diff options
Diffstat (limited to 'drivers/pcmcia')
77 files changed, 6192 insertions, 7922 deletions
diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig index 9f3adbd9f70..0c657d6af03 100644 --- a/drivers/pcmcia/Kconfig +++ b/drivers/pcmcia/Kconfig @@ -4,7 +4,6 @@ menuconfig PCCARD tristate "PCCard (PCMCIA/CardBus) support" - depends on HOTPLUG ---help--- Say Y here if you want to attach PCMCIA- or PC-cards to your Linux computer. These are credit-card size devices such as network cards, @@ -36,8 +35,8 @@ config PCMCIA If unsure, say Y. config PCMCIA_LOAD_CIS - bool "Load CIS updates from userspace (EXPERIMENTAL)" - depends on PCMCIA && EXPERIMENTAL + bool "Load CIS updates from userspace" + depends on PCMCIA select FW_LOADER default y help @@ -49,20 +48,6 @@ config PCMCIA_LOAD_CIS If unsure, say Y. -config PCMCIA_IOCTL - bool "PCMCIA control ioctl (obsolete)" - depends on PCMCIA - default y - help - If you say Y here, the deprecated ioctl interface to the PCMCIA - subsystem will be built. It is needed by cardmgr and cardctl - (pcmcia-cs) to function properly. - - You should use the new pcmciautils package instead (see - <file:Documentation/Changes> for location and details). - - If unsure, say Y. - config CARDBUS bool "32-bit CardBus support" depends on PCI @@ -83,8 +68,8 @@ comment "PC-card bridges" config YENTA tristate "CardBus yenta-compatible bridge support" depends on PCI - select CARDBUS if !EMBEDDED - select PCCARD_NONSTATIC + select CARDBUS if !EXPERT + select PCCARD_NONSTATIC if PCMCIA != n ---help--- This option enables support for CardBus host bridges. Virtually all modern PCMCIA bridges are CardBus compatible. A "bridge" is @@ -98,27 +83,27 @@ config YENTA config YENTA_O2 default y - bool "Special initialization for O2Micro bridges" if EMBEDDED + bool "Special initialization for O2Micro bridges" if EXPERT depends on YENTA config YENTA_RICOH default y - bool "Special initialization for Ricoh bridges" if EMBEDDED + bool "Special initialization for Ricoh bridges" if EXPERT depends on YENTA config YENTA_TI default y - bool "Special initialization for TI and EnE bridges" if EMBEDDED + bool "Special initialization for TI and EnE bridges" if EXPERT depends on YENTA config YENTA_ENE_TUNE default y - bool "Auto-tune EnE bridges for CB cards" if EMBEDDED + bool "Auto-tune EnE bridges for CB cards" if EXPERT depends on YENTA_TI && CARDBUS config YENTA_TOSHIBA default y - bool "Special initialization for Toshiba ToPIC bridges" if EMBEDDED + bool "Special initialization for Toshiba ToPIC bridges" if EXPERT depends on YENTA config PD6729 @@ -161,18 +146,34 @@ config TCIC config PCMCIA_M8XX tristate "MPC8xx PCMCIA support" - depends on PCMCIA && PPC && 8xx - select PCCARD_IODYN - select PCCARD_NONSTATIC + depends on PCCARD && PPC && 8xx + select PCCARD_IODYN if PCMCIA != n help Say Y here to include support for PowerPC 8xx series PCMCIA controller. This driver is also available as a module called m8xx_pcmcia. -config PCMCIA_AU1X00 - tristate "Au1x00 pcmcia support" - depends on SOC_AU1X00 && PCMCIA +config PCMCIA_ALCHEMY_DEVBOARD + tristate "Alchemy Db/Pb1xxx PCMCIA socket services" + depends on MIPS_ALCHEMY && PCMCIA + select 64BIT_PHYS_ADDR + help + Enable this driver of you want PCMCIA support on your Alchemy + Db1000, Db/Pb1100, Db/Pb1500, Db/Pb1550, Db/Pb1200, DB1300 + board. NOT suitable for the PB1000! + + This driver is also available as a module called db1xxx_ss.ko + +config PCMCIA_XXS1500 + tristate "MyCable XXS1500 PCMCIA socket support" + depends on PCMCIA && MIPS_XXS1500 + select 64BIT_PHYS_ADDR + help + Support for the PCMCIA/CF socket interface on MyCable XXS1500 + systems. + + This driver is also available as a module called xxs1500_ss.ko config PCMCIA_BCM63XX tristate "bcm63xx pcmcia support" @@ -181,10 +182,14 @@ config PCMCIA_BCM63XX config PCMCIA_SOC_COMMON tristate +config PCMCIA_SA11XX_BASE + tristate + config PCMCIA_SA1100 tristate "SA1100 support" depends on ARM && ARCH_SA1100 && PCMCIA select PCMCIA_SOC_COMMON + select PCMCIA_SA11XX_BASE help Say Y here to include support for SA11x0-based PCMCIA or CF sockets, found on HP iPAQs, Yopy, and other StrongARM(R)/ @@ -194,8 +199,9 @@ config PCMCIA_SA1100 config PCMCIA_SA1111 tristate "SA1111 support" - depends on ARM && ARCH_SA1100 && SA1111 && PCMCIA + depends on ARM && SA1111 && PCMCIA select PCMCIA_SOC_COMMON + select PCMCIA_SA11XX_BASE if ARCH_SA1100 help Say Y here to include support for SA1111-based PCMCIA or CF sockets, found on the Jornada 720, Graphicsmaster and other @@ -208,7 +214,10 @@ config PCMCIA_PXA2XX depends on ARM && ARCH_PXA && PCMCIA depends on (ARCH_LUBBOCK || MACH_MAINSTONE || PXA_SHARPSL \ || MACH_ARMCORE || ARCH_PXA_PALM || TRIZEPS_PCMCIA \ - || ARCOM_PCMCIA || ARCH_PXA_ESERIES || MACH_STARGATE2) + || ARCOM_PCMCIA || ARCH_PXA_ESERIES || MACH_STARGATE2 \ + || MACH_VPAC270 || MACH_BALLOON3 || MACH_COLIBRI \ + || MACH_COLIBRI320 || MACH_H4700) + select PCMCIA_SA1111 if ARCH_LUBBOCK && SA1111 select PCMCIA_SOC_COMMON help Say Y here to include support for the PXA2xx PCMCIA controller @@ -233,19 +242,17 @@ config PCMCIA_DEBUG config PCMCIA_PROBE bool - default y if ISA && !ARCH_SA1100 && !ARCH_CLPS711X && !PARISC + default y if ISA && !ARCH_SA1100 && !PARISC config M32R_PCC bool "M32R PCMCIA I/F" depends on M32R && CHIP_M32700 && PCMCIA - select PCCARD_NONSTATIC help Say Y here to use the M32R PCMCIA controller. config M32R_CFC bool "M32R CF I/F Controller" depends on M32R && (PLAT_USRV || PLAT_M32700UT || PLAT_MAPPI2 || PLAT_MAPPI3 || PLAT_OPSPUT) - select PCCARD_NONSTATIC help Say Y here to use the M32R CompactFlash controller. @@ -280,7 +287,7 @@ config BFIN_CFPCMCIA config AT91_CF tristate "AT91 CompactFlash Controller" - depends on PCMCIA && ARCH_AT91RM9200 + depends on PCMCIA && ARCH_AT91 help Say Y here to support the CompactFlash controller on AT91 chips. Or choose M to compile the driver as a module named "at91_cf". @@ -293,7 +300,7 @@ config ELECTRA_CF PA Semi Electra eval board. config PCCARD_NONSTATIC - tristate + bool config PCCARD_IODYN bool diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile index 83ff802de54..7745b512a87 100644 --- a/drivers/pcmcia/Makefile +++ b/drivers/pcmcia/Makefile @@ -2,15 +2,17 @@ # Makefile for the kernel pcmcia subsystem (c/o David Hinds) # -pcmcia_core-y += cs.o cistpl.o rsrc_mgr.o socket_sysfs.o +pcmcia_core-y += cs.o socket_sysfs.o pcmcia_core-$(CONFIG_CARDBUS) += cardbus.o obj-$(CONFIG_PCCARD) += pcmcia_core.o -pcmcia-y += ds.o pcmcia_resource.o -pcmcia-$(CONFIG_PCMCIA_IOCTL) += pcmcia_ioctl.o +pcmcia-y += ds.o pcmcia_resource.o cistpl.o pcmcia_cis.o obj-$(CONFIG_PCMCIA) += pcmcia.o -obj-$(CONFIG_PCCARD_NONSTATIC) += rsrc_nonstatic.o +pcmcia_rsrc-y += rsrc_mgr.o +pcmcia_rsrc-$(CONFIG_PCCARD_NONSTATIC) += rsrc_nonstatic.o +pcmcia_rsrc-$(CONFIG_PCCARD_IODYN) += rsrc_iodyn.o +obj-$(CONFIG_PCCARD) += pcmcia_rsrc.o # socket drivers @@ -23,11 +25,11 @@ obj-$(CONFIG_I82092) += i82092.o obj-$(CONFIG_TCIC) += tcic.o obj-$(CONFIG_PCMCIA_M8XX) += m8xx_pcmcia.o obj-$(CONFIG_PCMCIA_SOC_COMMON) += soc_common.o -obj-$(CONFIG_PCMCIA_SA1100) += sa11xx_base.o sa1100_cs.o -obj-$(CONFIG_PCMCIA_SA1111) += sa11xx_base.o sa1111_cs.o +obj-$(CONFIG_PCMCIA_SA11XX_BASE) += sa11xx_base.o +obj-$(CONFIG_PCMCIA_SA1100) += sa1100_cs.o +obj-$(CONFIG_PCMCIA_SA1111) += sa1111_cs.o obj-$(CONFIG_M32R_PCC) += m32r_pcc.o obj-$(CONFIG_M32R_CFC) += m32r_cfc.o -obj-$(CONFIG_PCMCIA_AU1X00) += au1x00_ss.o obj-$(CONFIG_PCMCIA_BCM63XX) += bcm63xx_pcmcia.o obj-$(CONFIG_PCMCIA_VRC4171) += vrc4171_card.o obj-$(CONFIG_PCMCIA_VRC4173) += vrc4173_cardu.o @@ -35,35 +37,24 @@ obj-$(CONFIG_OMAP_CF) += omap_cf.o obj-$(CONFIG_BFIN_CFPCMCIA) += bfin_cf_pcmcia.o obj-$(CONFIG_AT91_CF) += at91_cf.o obj-$(CONFIG_ELECTRA_CF) += electra_cf.o - -au1x00_ss-y += au1000_generic.o -au1x00_ss-$(CONFIG_MIPS_PB1000) += au1000_pb1x00.o -au1x00_ss-$(CONFIG_MIPS_PB1100) += au1000_pb1x00.o -au1x00_ss-$(CONFIG_MIPS_PB1200) += au1000_db1x00.o -au1x00_ss-$(CONFIG_MIPS_PB1500) += au1000_pb1x00.o -au1x00_ss-$(CONFIG_MIPS_DB1000) += au1000_db1x00.o -au1x00_ss-$(CONFIG_MIPS_DB1100) += au1000_db1x00.o -au1x00_ss-$(CONFIG_MIPS_DB1200) += au1000_db1x00.o -au1x00_ss-$(CONFIG_MIPS_DB1500) += au1000_db1x00.o -au1x00_ss-$(CONFIG_MIPS_DB1550) += au1000_db1x00.o -au1x00_ss-$(CONFIG_MIPS_XXS1500) += au1000_xxs1500.o +obj-$(CONFIG_PCMCIA_ALCHEMY_DEVBOARD) += db1xxx_ss.o sa1111_cs-y += sa1111_generic.o -sa1111_cs-$(CONFIG_ASSABET_NEPONSET) += sa1100_neponset.o -sa1111_cs-$(CONFIG_SA1100_BADGE4) += sa1100_badge4.o -sa1111_cs-$(CONFIG_SA1100_JORNADA720) += sa1100_jornada720.o +sa1111_cs-$(CONFIG_ASSABET_NEPONSET) += sa1111_neponset.o +sa1111_cs-$(CONFIG_SA1100_BADGE4) += sa1111_badge4.o +sa1111_cs-$(CONFIG_SA1100_JORNADA720) += sa1111_jornada720.o +sa1111_cs-$(CONFIG_ARCH_LUBBOCK) += sa1111_lubbock.o sa1100_cs-y += sa1100_generic.o sa1100_cs-$(CONFIG_SA1100_ASSABET) += sa1100_assabet.o sa1100_cs-$(CONFIG_SA1100_CERF) += sa1100_cerf.o -sa1100_cs-$(CONFIG_SA1100_COLLIE) += pxa2xx_sharpsl.o +sa1100_cs-$(CONFIG_SA1100_COLLIE) += pxa2xx_sharpsl.o sa1100_cs-$(CONFIG_SA1100_H3600) += sa1100_h3600.o +sa1100_cs-$(CONFIG_SA1100_NANOENGINE) += sa1100_nanoengine.o sa1100_cs-$(CONFIG_SA1100_SHANNON) += sa1100_shannon.o sa1100_cs-$(CONFIG_SA1100_SIMPAD) += sa1100_simpad.o -pxa2xx_lubbock_cs-y += pxa2xx_lubbock.o sa1111_generic.o pxa2xx_cm_x2xx_cs-y += pxa2xx_cm_x2xx.o pxa2xx_cm_x255.o pxa2xx_cm_x270.o -pxa2xx-obj-$(CONFIG_ARCH_LUBBOCK) += pxa2xx_lubbock_cs.o pxa2xx-obj-$(CONFIG_MACH_MAINSTONE) += pxa2xx_mainstone.o pxa2xx-obj-$(CONFIG_PXA_SHARPSL) += pxa2xx_sharpsl.o pxa2xx-obj-$(CONFIG_MACH_ARMCORE) += pxa2xx_cm_x2xx_cs.o @@ -74,5 +65,12 @@ pxa2xx-obj-$(CONFIG_MACH_PALMTC) += pxa2xx_palmtc.o pxa2xx-obj-$(CONFIG_MACH_PALMLD) += pxa2xx_palmld.o pxa2xx-obj-$(CONFIG_MACH_E740) += pxa2xx_e740.o pxa2xx-obj-$(CONFIG_MACH_STARGATE2) += pxa2xx_stargate2.o +pxa2xx-obj-$(CONFIG_MACH_VPAC270) += pxa2xx_vpac270.o +pxa2xx-obj-$(CONFIG_MACH_BALLOON3) += pxa2xx_balloon3.o +pxa2xx-obj-$(CONFIG_MACH_COLIBRI) += pxa2xx_colibri.o +pxa2xx-obj-$(CONFIG_MACH_COLIBRI320) += pxa2xx_colibri.o +pxa2xx-obj-$(CONFIG_MACH_H4700) += pxa2xx_hx4700.o obj-$(CONFIG_PCMCIA_PXA2XX) += pxa2xx_base.o $(pxa2xx-obj-y) + +obj-$(CONFIG_PCMCIA_XXS1500) += xxs1500_ss.o diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c index e1dccedc596..de24232c519 100644 --- a/drivers/pcmcia/at91_cf.c +++ b/drivers/pcmcia/at91_cf.c @@ -15,16 +15,19 @@ #include <linux/errno.h> #include <linux/init.h> #include <linux/interrupt.h> +#include <linux/slab.h> +#include <linux/gpio.h> +#include <linux/platform_data/atmel.h> +#include <linux/io.h> +#include <linux/sizes.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/of_gpio.h> #include <pcmcia/ss.h> -#include <mach/hardware.h> -#include <asm/io.h> -#include <asm/sizes.h> -#include <asm/gpio.h> - -#include <mach/board.h> #include <mach/at91rm9200_mc.h> +#include <mach/at91_ramc.h> /* @@ -39,8 +42,6 @@ /*--------------------------------------------------------------------------*/ -static const char driver_name[] = "at91_cf"; - struct at91_cf_socket { struct pcmcia_socket socket; @@ -52,8 +53,6 @@ struct at91_cf_socket { unsigned long phys_baseaddr; }; -#define SZ_2K (2 * SZ_1K) - static inline int at91_cf_present(struct at91_cf_socket *cf) { return !gpio_get_value(cf->board->det_pin); @@ -70,13 +69,13 @@ static irqreturn_t at91_cf_irq(int irq, void *_cf) { struct at91_cf_socket *cf = _cf; - if (irq == cf->board->det_pin) { + if (irq == gpio_to_irq(cf->board->det_pin)) { unsigned present = at91_cf_present(cf); /* kick pccard as needed */ if (present != cf->present) { cf->present = present; - pr_debug("%s: card %s\n", driver_name, + dev_dbg(&cf->pdev->dev, "card %s\n", present ? "present" : "gone"); pcmcia_parse_events(&cf->socket, SS_DETECT); } @@ -96,13 +95,13 @@ static int at91_cf_get_status(struct pcmcia_socket *s, u_int *sp) /* NOTE: CF is always 3VCARD */ if (at91_cf_present(cf)) { - int rdy = cf->board->irq_pin; /* RDY/nIRQ */ - int vcc = cf->board->vcc_pin; + int rdy = gpio_is_valid(cf->board->irq_pin); /* RDY/nIRQ */ + int vcc = gpio_is_valid(cf->board->vcc_pin); *sp = SS_DETECT | SS_3VCARD; - if (!rdy || gpio_get_value(rdy)) + if (!rdy || gpio_get_value(cf->board->irq_pin)) *sp |= SS_READY; - if (!vcc || gpio_get_value(vcc)) + if (!vcc || gpio_get_value(cf->board->vcc_pin)) *sp |= SS_POWERON; } else *sp = 0; @@ -118,24 +117,24 @@ at91_cf_set_socket(struct pcmcia_socket *sock, struct socket_state_t *s) cf = container_of(sock, struct at91_cf_socket, socket); /* switch Vcc if needed and possible */ - if (cf->board->vcc_pin) { + if (gpio_is_valid(cf->board->vcc_pin)) { switch (s->Vcc) { - case 0: - gpio_set_value(cf->board->vcc_pin, 0); - break; - case 33: - gpio_set_value(cf->board->vcc_pin, 1); - break; - default: - return -EINVAL; + case 0: + gpio_set_value(cf->board->vcc_pin, 0); + break; + case 33: + gpio_set_value(cf->board->vcc_pin, 1); + break; + default: + return -EINVAL; } } /* toggle reset if needed */ gpio_set_value(cf->board->rst_pin, s->flags & SS_RESET); - pr_debug("%s: Vcc %d, io_irq %d, flags %04x csc %04x\n", - driver_name, s->Vcc, s->io_irq, s->flags, s->csc_mask); + dev_dbg(&cf->pdev->dev, "Vcc %d, io_irq %d, flags %04x csc %04x\n", + s->Vcc, s->io_irq, s->flags, s->csc_mask); return 0; } @@ -157,7 +156,7 @@ static int at91_cf_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io) /* * Use 16 bit accesses unless/until we need 8-bit i/o space. */ - csr = at91_sys_read(AT91_SMC_CSR(cf->board->chipselect)) & ~AT91_SMC_DBW; + csr = at91_ramc_read(0, AT91_SMC_CSR(cf->board->chipselect)) & ~AT91_SMC_DBW; /* * NOTE: this CF controller ignores IOIS16, so we can't really do @@ -171,12 +170,12 @@ static int at91_cf_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io) */ if (!(io->flags & (MAP_16BIT | MAP_AUTOSZ))) { csr |= AT91_SMC_DBW_8; - pr_debug("%s: 8bit i/o bus\n", driver_name); + dev_dbg(&cf->pdev->dev, "8bit i/o bus\n"); } else { csr |= AT91_SMC_DBW_16; - pr_debug("%s: 16bit i/o bus\n", driver_name); + dev_dbg(&cf->pdev->dev, "16bit i/o bus\n"); } - at91_sys_write(AT91_SMC_CSR(cf->board->chipselect), csr); + at91_ramc_write(0, AT91_SMC_CSR(cf->board->chipselect), csr); io->start = cf->socket.io_offset; io->stop = io->start + SZ_2K - 1; @@ -215,21 +214,60 @@ static struct pccard_operations at91_cf_ops = { /*--------------------------------------------------------------------------*/ -static int __init at91_cf_probe(struct platform_device *pdev) +#if defined(CONFIG_OF) +static const struct of_device_id at91_cf_dt_ids[] = { + { .compatible = "atmel,at91rm9200-cf" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, at91_cf_dt_ids); + +static int at91_cf_dt_init(struct platform_device *pdev) +{ + struct at91_cf_data *board; + + board = devm_kzalloc(&pdev->dev, sizeof(*board), GFP_KERNEL); + if (!board) + return -ENOMEM; + + board->irq_pin = of_get_gpio(pdev->dev.of_node, 0); + board->det_pin = of_get_gpio(pdev->dev.of_node, 1); + board->vcc_pin = of_get_gpio(pdev->dev.of_node, 2); + board->rst_pin = of_get_gpio(pdev->dev.of_node, 3); + + pdev->dev.platform_data = board; + + return 0; +} +#else +static int at91_cf_dt_init(struct platform_device *pdev) +{ + return -ENODEV; +} +#endif + +static int at91_cf_probe(struct platform_device *pdev) { struct at91_cf_socket *cf; struct at91_cf_data *board = pdev->dev.platform_data; struct resource *io; int status; - if (!board || !board->det_pin || !board->rst_pin) + if (!board) { + status = at91_cf_dt_init(pdev); + if (status) + return status; + + board = pdev->dev.platform_data; + } + + if (!gpio_is_valid(board->det_pin) || !gpio_is_valid(board->rst_pin)) return -ENODEV; io = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!io) return -ENODEV; - cf = kzalloc(sizeof *cf, GFP_KERNEL); + cf = devm_kzalloc(&pdev->dev, sizeof(*cf), GFP_KERNEL); if (!cf) return -ENOMEM; @@ -239,22 +277,25 @@ static int __init at91_cf_probe(struct platform_device *pdev) platform_set_drvdata(pdev, cf); /* must be a GPIO; ergo must trigger on both edges */ - status = gpio_request(board->det_pin, "cf_det"); + status = devm_gpio_request(&pdev->dev, board->det_pin, "cf_det"); if (status < 0) - goto fail0; - status = request_irq(board->det_pin, at91_cf_irq, 0, driver_name, cf); + return status; + + status = devm_request_irq(&pdev->dev, gpio_to_irq(board->det_pin), + at91_cf_irq, 0, "at91_cf detect", cf); if (status < 0) - goto fail00; + return status; + device_init_wakeup(&pdev->dev, 1); - status = gpio_request(board->rst_pin, "cf_rst"); + status = devm_gpio_request(&pdev->dev, board->rst_pin, "cf_rst"); if (status < 0) goto fail0a; - if (board->vcc_pin) { - status = gpio_request(board->vcc_pin, "cf_vcc"); + if (gpio_is_valid(board->vcc_pin)) { + status = devm_gpio_request(&pdev->dev, board->vcc_pin, "cf_vcc"); if (status < 0) - goto fail0b; + goto fail0a; } /* @@ -263,35 +304,35 @@ static int __init at91_cf_probe(struct platform_device *pdev) * unless we report that we handle everything (sigh). * (Note: DK board doesn't wire the IRQ pin...) */ - if (board->irq_pin) { - status = gpio_request(board->irq_pin, "cf_irq"); + if (gpio_is_valid(board->irq_pin)) { + status = devm_gpio_request(&pdev->dev, board->irq_pin, "cf_irq"); if (status < 0) - goto fail0c; - status = request_irq(board->irq_pin, at91_cf_irq, - IRQF_SHARED, driver_name, cf); + goto fail0a; + + status = devm_request_irq(&pdev->dev, gpio_to_irq(board->irq_pin), + at91_cf_irq, IRQF_SHARED, "at91_cf", cf); if (status < 0) - goto fail0d; - cf->socket.pci_irq = board->irq_pin; + goto fail0a; + cf->socket.pci_irq = gpio_to_irq(board->irq_pin); } else cf->socket.pci_irq = nr_irqs + 1; /* pcmcia layer only remaps "real" memory not iospace */ - cf->socket.io_offset = (unsigned long) - ioremap(cf->phys_baseaddr + CF_IO_PHYS, SZ_2K); + cf->socket.io_offset = (unsigned long) devm_ioremap(&pdev->dev, + cf->phys_baseaddr + CF_IO_PHYS, SZ_2K); if (!cf->socket.io_offset) { status = -ENXIO; - goto fail1; + goto fail0a; } /* reserve chip-select regions */ - if (!request_mem_region(io->start, io->end + 1 - io->start, - driver_name)) { + if (!devm_request_mem_region(&pdev->dev, io->start, resource_size(io), "at91_cf")) { status = -ENXIO; - goto fail1; + goto fail0a; } - pr_info("%s: irqs det #%d, io #%d\n", driver_name, - board->det_pin, board->irq_pin); + dev_info(&pdev->dev, "irqs det #%d, io #%d\n", + gpio_to_irq(board->det_pin), gpio_to_irq(board->irq_pin)); cf->socket.owner = THIS_MODULE; cf->socket.dev.parent = &pdev->dev; @@ -304,55 +345,22 @@ static int __init at91_cf_probe(struct platform_device *pdev) status = pcmcia_register_socket(&cf->socket); if (status < 0) - goto fail2; + goto fail0a; return 0; -fail2: - release_mem_region(io->start, io->end + 1 - io->start); -fail1: - if (cf->socket.io_offset) - iounmap((void __iomem *) cf->socket.io_offset); - if (board->irq_pin) { - free_irq(board->irq_pin, cf); -fail0d: - gpio_free(board->irq_pin); - } -fail0c: - if (board->vcc_pin) - gpio_free(board->vcc_pin); -fail0b: - gpio_free(board->rst_pin); fail0a: device_init_wakeup(&pdev->dev, 0); - free_irq(board->det_pin, cf); -fail00: - gpio_free(board->det_pin); -fail0: - kfree(cf); return status; } -static int __exit at91_cf_remove(struct platform_device *pdev) +static int at91_cf_remove(struct platform_device *pdev) { struct at91_cf_socket *cf = platform_get_drvdata(pdev); - struct at91_cf_data *board = cf->board; - struct resource *io = cf->socket.io[0].res; pcmcia_unregister_socket(&cf->socket); - release_mem_region(io->start, io->end + 1 - io->start); - iounmap((void __iomem *) cf->socket.io_offset); - if (board->irq_pin) { - free_irq(board->irq_pin, cf); - gpio_free(board->irq_pin); - } - if (board->vcc_pin) - gpio_free(board->vcc_pin); - gpio_free(board->rst_pin); device_init_wakeup(&pdev->dev, 0); - free_irq(board->det_pin, cf); - gpio_free(board->det_pin); - kfree(cf); + return 0; } @@ -363,11 +371,10 @@ static int at91_cf_suspend(struct platform_device *pdev, pm_message_t mesg) struct at91_cf_socket *cf = platform_get_drvdata(pdev); struct at91_cf_data *board = cf->board; - pcmcia_socket_dev_suspend(&pdev->dev); if (device_may_wakeup(&pdev->dev)) { - enable_irq_wake(board->det_pin); - if (board->irq_pin) - enable_irq_wake(board->irq_pin); + enable_irq_wake(gpio_to_irq(board->det_pin)); + if (gpio_is_valid(board->irq_pin)) + enable_irq_wake(gpio_to_irq(board->irq_pin)); } return 0; } @@ -378,12 +385,11 @@ static int at91_cf_resume(struct platform_device *pdev) struct at91_cf_data *board = cf->board; if (device_may_wakeup(&pdev->dev)) { - disable_irq_wake(board->det_pin); - if (board->irq_pin) - disable_irq_wake(board->irq_pin); + disable_irq_wake(gpio_to_irq(board->det_pin)); + if (gpio_is_valid(board->irq_pin)) + disable_irq_wake(gpio_to_irq(board->irq_pin)); } - pcmcia_socket_dev_resume(&pdev->dev); return 0; } @@ -394,27 +400,17 @@ static int at91_cf_resume(struct platform_device *pdev) static struct platform_driver at91_cf_driver = { .driver = { - .name = (char *) driver_name, + .name = "at91_cf", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(at91_cf_dt_ids), }, - .remove = __exit_p(at91_cf_remove), + .probe = at91_cf_probe, + .remove = at91_cf_remove, .suspend = at91_cf_suspend, .resume = at91_cf_resume, }; -/*--------------------------------------------------------------------------*/ - -static int __init at91_cf_init(void) -{ - return platform_driver_probe(&at91_cf_driver, at91_cf_probe); -} -module_init(at91_cf_init); - -static void __exit at91_cf_exit(void) -{ - platform_driver_unregister(&at91_cf_driver); -} -module_exit(at91_cf_exit); +module_platform_driver(at91_cf_driver); MODULE_DESCRIPTION("AT91 Compact Flash Driver"); MODULE_AUTHOR("David Brownell"); diff --git a/drivers/pcmcia/au1000_db1x00.c b/drivers/pcmcia/au1000_db1x00.c deleted file mode 100644 index c78d77fd7e3..00000000000 --- a/drivers/pcmcia/au1000_db1x00.c +++ /dev/null @@ -1,305 +0,0 @@ -/* - * - * Alchemy Semi Db1x00 boards specific pcmcia routines. - * - * Copyright 2002 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com - * - * Copyright 2004 Pete Popov, updated the driver to 2.6. - * Followed the sa11xx API and largely copied many of the hardware - * independent functions. - * - * ######################################################################## - * - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - * ######################################################################## - * - * - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/interrupt.h> -#include <linux/device.h> -#include <linux/init.h> - -#include <asm/irq.h> -#include <asm/signal.h> -#include <asm/mach-au1x00/au1000.h> - -#if defined(CONFIG_MIPS_DB1200) - #include <db1200.h> -#elif defined(CONFIG_MIPS_PB1200) - #include <pb1200.h> -#else - #include <asm/mach-db1x00/db1x00.h> - static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR; -#endif - -#include "au1000_generic.h" - -#if 0 -#define debug(x,args...) printk(KERN_DEBUG "%s: " x, __func__ , ##args) -#else -#define debug(x,args...) -#endif - - -struct au1000_pcmcia_socket au1000_pcmcia_socket[PCMCIA_NUM_SOCKS]; -extern int au1x00_pcmcia_socket_probe(struct device *, struct pcmcia_low_level *, int, int); - -static int db1x00_pcmcia_hw_init(struct au1000_pcmcia_socket *skt) -{ -#ifdef CONFIG_MIPS_DB1550 - skt->irq = skt->nr ? AU1000_GPIO_5 : AU1000_GPIO_3; -#elif defined(CONFIG_MIPS_DB1200) || defined(CONFIG_MIPS_PB1200) - skt->irq = skt->nr ? BOARD_PC1_INT : BOARD_PC0_INT; -#else - skt->irq = skt->nr ? AU1000_GPIO_5 : AU1000_GPIO_2; -#endif - return 0; -} - -static void db1x00_pcmcia_shutdown(struct au1000_pcmcia_socket *skt) -{ - bcsr->pcmcia = 0; /* turn off power */ - au_sync_delay(2); -} - -static void -db1x00_pcmcia_socket_state(struct au1000_pcmcia_socket *skt, struct pcmcia_state *state) -{ - u32 inserted; - unsigned char vs; - - state->ready = 0; - state->vs_Xv = 0; - state->vs_3v = 0; - state->detect = 0; - - switch (skt->nr) { - case 0: - vs = bcsr->status & 0x3; -#if defined(CONFIG_MIPS_DB1200) || defined(CONFIG_MIPS_PB1200) - inserted = BOARD_CARD_INSERTED(0); -#else - inserted = !(bcsr->status & (1<<4)); -#endif - break; - case 1: - vs = (bcsr->status & 0xC)>>2; -#if defined(CONFIG_MIPS_DB1200) || defined(CONFIG_MIPS_PB1200) - inserted = BOARD_CARD_INSERTED(1); -#else - inserted = !(bcsr->status & (1<<5)); -#endif - break; - default:/* should never happen */ - return; - } - - if (inserted) - debug("db1x00 socket %d: inserted %d, vs %d pcmcia %x\n", - skt->nr, inserted, vs, bcsr->pcmcia); - - if (inserted) { - switch (vs) { - case 0: - case 2: - state->vs_3v=1; - break; - case 3: /* 5V */ - break; - default: - /* return without setting 'detect' */ - printk(KERN_ERR "db1x00 bad VS (%d)\n", - vs); - } - state->detect = 1; - state->ready = 1; - } - else { - /* if the card was previously inserted and then ejected, - * we should turn off power to it - */ - if ((skt->nr == 0) && (bcsr->pcmcia & BCSR_PCMCIA_PC0RST)) { - bcsr->pcmcia &= ~(BCSR_PCMCIA_PC0RST | - BCSR_PCMCIA_PC0DRVEN | - BCSR_PCMCIA_PC0VPP | - BCSR_PCMCIA_PC0VCC); - au_sync_delay(10); - } - else if ((skt->nr == 1) && bcsr->pcmcia & BCSR_PCMCIA_PC1RST) { - bcsr->pcmcia &= ~(BCSR_PCMCIA_PC1RST | - BCSR_PCMCIA_PC1DRVEN | - BCSR_PCMCIA_PC1VPP | - BCSR_PCMCIA_PC1VCC); - au_sync_delay(10); - } - } - - state->bvd1=1; - state->bvd2=1; - state->wrprot=0; -} - -static int -db1x00_pcmcia_configure_socket(struct au1000_pcmcia_socket *skt, struct socket_state_t *state) -{ - u16 pwr; - int sock = skt->nr; - - debug("config_skt %d Vcc %dV Vpp %dV, reset %d\n", - sock, state->Vcc, state->Vpp, - state->flags & SS_RESET); - - /* pcmcia reg was set to zero at init time. Be careful when - * initializing a socket not to wipe out the settings of the - * other socket. - */ - pwr = bcsr->pcmcia; - pwr &= ~(0xf << sock*8); /* clear voltage settings */ - - state->Vpp = 0; - switch(state->Vcc){ - case 0: /* Vcc 0 */ - pwr |= SET_VCC_VPP(0,0,sock); - break; - case 50: /* Vcc 5V */ - switch(state->Vpp) { - case 0: - pwr |= SET_VCC_VPP(2,0,sock); - break; - case 50: - pwr |= SET_VCC_VPP(2,1,sock); - break; - case 12: - pwr |= SET_VCC_VPP(2,2,sock); - break; - case 33: - default: - pwr |= SET_VCC_VPP(0,0,sock); - printk("%s: bad Vcc/Vpp (%d:%d)\n", - __func__, - state->Vcc, - state->Vpp); - break; - } - break; - case 33: /* Vcc 3.3V */ - switch(state->Vpp) { - case 0: - pwr |= SET_VCC_VPP(1,0,sock); - break; - case 12: - pwr |= SET_VCC_VPP(1,2,sock); - break; - case 33: - pwr |= SET_VCC_VPP(1,1,sock); - break; - case 50: - default: - pwr |= SET_VCC_VPP(0,0,sock); - printk("%s: bad Vcc/Vpp (%d:%d)\n", - __func__, - state->Vcc, - state->Vpp); - break; - } - break; - default: /* what's this ? */ - pwr |= SET_VCC_VPP(0,0,sock); - printk(KERN_ERR "%s: bad Vcc %d\n", - __func__, state->Vcc); - break; - } - - bcsr->pcmcia = pwr; - au_sync_delay(300); - - if (sock == 0) { - if (!(state->flags & SS_RESET)) { - pwr |= BCSR_PCMCIA_PC0DRVEN; - bcsr->pcmcia = pwr; - au_sync_delay(300); - pwr |= BCSR_PCMCIA_PC0RST; - bcsr->pcmcia = pwr; - au_sync_delay(100); - } - else { - pwr &= ~(BCSR_PCMCIA_PC0RST | BCSR_PCMCIA_PC0DRVEN); - bcsr->pcmcia = pwr; - au_sync_delay(100); - } - } - else { - if (!(state->flags & SS_RESET)) { - pwr |= BCSR_PCMCIA_PC1DRVEN; - bcsr->pcmcia = pwr; - au_sync_delay(300); - pwr |= BCSR_PCMCIA_PC1RST; - bcsr->pcmcia = pwr; - au_sync_delay(100); - } - else { - pwr &= ~(BCSR_PCMCIA_PC1RST | BCSR_PCMCIA_PC1DRVEN); - bcsr->pcmcia = pwr; - au_sync_delay(100); - } - } - return 0; -} - -/* - * Enable card status IRQs on (re-)initialisation. This can - * be called at initialisation, power management event, or - * pcmcia event. - */ -void db1x00_socket_init(struct au1000_pcmcia_socket *skt) -{ - /* nothing to do for now */ -} - -/* - * Disable card status IRQs and PCMCIA bus on suspend. - */ -void db1x00_socket_suspend(struct au1000_pcmcia_socket *skt) -{ - /* nothing to do for now */ -} - -struct pcmcia_low_level db1x00_pcmcia_ops = { - .owner = THIS_MODULE, - - .hw_init = db1x00_pcmcia_hw_init, - .hw_shutdown = db1x00_pcmcia_shutdown, - - .socket_state = db1x00_pcmcia_socket_state, - .configure_socket = db1x00_pcmcia_configure_socket, - - .socket_init = db1x00_socket_init, - .socket_suspend = db1x00_socket_suspend -}; - -int au1x_board_init(struct device *dev) -{ - int ret = -ENODEV; - bcsr->pcmcia = 0; /* turn off power, if it's not already off */ - au_sync_delay(2); - ret = au1x00_pcmcia_socket_probe(dev, &db1x00_pcmcia_ops, 0, 2); - return ret; -} diff --git a/drivers/pcmcia/au1000_generic.c b/drivers/pcmcia/au1000_generic.c deleted file mode 100644 index 02088704ac2..00000000000 --- a/drivers/pcmcia/au1000_generic.c +++ /dev/null @@ -1,562 +0,0 @@ -/* - * - * Alchemy Semi Au1000 pcmcia driver - * - * Copyright 2001-2003 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@embeddedalley.com or source@mvista.com - * - * Copyright 2004 Pete Popov, Embedded Alley Solutions, Inc. - * Updated the driver to 2.6. Followed the sa11xx API and largely - * copied many of the hardware independent functions. - * - * ######################################################################## - * - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - * ######################################################################## - * - * - */ - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/init.h> -#include <linux/cpufreq.h> -#include <linux/ioport.h> -#include <linux/kernel.h> -#include <linux/timer.h> -#include <linux/mm.h> -#include <linux/notifier.h> -#include <linux/interrupt.h> -#include <linux/spinlock.h> -#include <linux/mutex.h> -#include <linux/platform_device.h> - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/system.h> - -#include <asm/mach-au1x00/au1000.h> -#include "au1000_generic.h" - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Pete Popov <ppopov@embeddedalley.com>"); -MODULE_DESCRIPTION("Linux PCMCIA Card Services: Au1x00 Socket Controller"); - -#if 0 -#define debug(x,args...) printk(KERN_DEBUG "%s: " x, __func__ , ##args) -#else -#define debug(x,args...) -#endif - -#define MAP_SIZE 0x100000 -extern struct au1000_pcmcia_socket au1000_pcmcia_socket[]; -#define PCMCIA_SOCKET(x) (au1000_pcmcia_socket + (x)) -#define to_au1000_socket(x) container_of(x, struct au1000_pcmcia_socket, socket) - -/* Some boards like to support CF cards as IDE root devices, so they - * grab pcmcia sockets directly. - */ -u32 *pcmcia_base_vaddrs[2]; -extern const unsigned long mips_io_port_base; - -static DEFINE_MUTEX(pcmcia_sockets_lock); - -static int (*au1x00_pcmcia_hw_init[])(struct device *dev) = { - au1x_board_init, -}; - -static int -au1x00_pcmcia_skt_state(struct au1000_pcmcia_socket *skt) -{ - struct pcmcia_state state; - unsigned int stat; - - memset(&state, 0, sizeof(struct pcmcia_state)); - - skt->ops->socket_state(skt, &state); - - stat = state.detect ? SS_DETECT : 0; - stat |= state.ready ? SS_READY : 0; - stat |= state.wrprot ? SS_WRPROT : 0; - stat |= state.vs_3v ? SS_3VCARD : 0; - stat |= state.vs_Xv ? SS_XVCARD : 0; - stat |= skt->cs_state.Vcc ? SS_POWERON : 0; - - if (skt->cs_state.flags & SS_IOCARD) - stat |= state.bvd1 ? SS_STSCHG : 0; - else { - if (state.bvd1 == 0) - stat |= SS_BATDEAD; - else if (state.bvd2 == 0) - stat |= SS_BATWARN; - } - return stat; -} - -/* - * au100_pcmcia_config_skt - * - * Convert PCMCIA socket state to our socket configure structure. - */ -static int -au1x00_pcmcia_config_skt(struct au1000_pcmcia_socket *skt, socket_state_t *state) -{ - int ret; - - ret = skt->ops->configure_socket(skt, state); - if (ret == 0) { - skt->cs_state = *state; - } - - if (ret < 0) - debug("unable to configure socket %d\n", skt->nr); - - return ret; -} - -/* au1x00_pcmcia_sock_init() - * - * (Re-)Initialise the socket, turning on status interrupts - * and PCMCIA bus. This must wait for power to stabilise - * so that the card status signals report correctly. - * - * Returns: 0 - */ -static int au1x00_pcmcia_sock_init(struct pcmcia_socket *sock) -{ - struct au1000_pcmcia_socket *skt = to_au1000_socket(sock); - - debug("initializing socket %u\n", skt->nr); - - skt->ops->socket_init(skt); - return 0; -} - -/* - * au1x00_pcmcia_suspend() - * - * Remove power on the socket, disable IRQs from the card. - * Turn off status interrupts, and disable the PCMCIA bus. - * - * Returns: 0 - */ -static int au1x00_pcmcia_suspend(struct pcmcia_socket *sock) -{ - struct au1000_pcmcia_socket *skt = to_au1000_socket(sock); - - debug("suspending socket %u\n", skt->nr); - - skt->ops->socket_suspend(skt); - - return 0; -} - -static DEFINE_SPINLOCK(status_lock); - -/* - * au1x00_check_status() - */ -static void au1x00_check_status(struct au1000_pcmcia_socket *skt) -{ - unsigned int events; - - debug("entering PCMCIA monitoring thread\n"); - - do { - unsigned int status; - unsigned long flags; - - status = au1x00_pcmcia_skt_state(skt); - - spin_lock_irqsave(&status_lock, flags); - events = (status ^ skt->status) & skt->cs_state.csc_mask; - skt->status = status; - spin_unlock_irqrestore(&status_lock, flags); - - debug("events: %s%s%s%s%s%s\n", - events == 0 ? "<NONE>" : "", - events & SS_DETECT ? "DETECT " : "", - events & SS_READY ? "READY " : "", - events & SS_BATDEAD ? "BATDEAD " : "", - events & SS_BATWARN ? "BATWARN " : "", - events & SS_STSCHG ? "STSCHG " : ""); - - if (events) - pcmcia_parse_events(&skt->socket, events); - } while (events); -} - -/* - * au1x00_pcmcia_poll_event() - * Let's poll for events in addition to IRQs since IRQ only is unreliable... - */ -static void au1x00_pcmcia_poll_event(unsigned long dummy) -{ - struct au1000_pcmcia_socket *skt = (struct au1000_pcmcia_socket *)dummy; - debug("polling for events\n"); - - mod_timer(&skt->poll_timer, jiffies + AU1000_PCMCIA_POLL_PERIOD); - - au1x00_check_status(skt); -} - -/* au1x00_pcmcia_get_status() - * - * From the sa11xx_core.c: - * Implements the get_status() operation for the in-kernel PCMCIA - * service (formerly SS_GetStatus in Card Services). Essentially just - * fills in bits in `status' according to internal driver state or - * the value of the voltage detect chipselect register. - * - * As a debugging note, during card startup, the PCMCIA core issues - * three set_socket() commands in a row the first with RESET deasserted, - * the second with RESET asserted, and the last with RESET deasserted - * again. Following the third set_socket(), a get_status() command will - * be issued. The kernel is looking for the SS_READY flag (see - * setup_socket(), reset_socket(), and unreset_socket() in cs.c). - * - * Returns: 0 - */ -static int -au1x00_pcmcia_get_status(struct pcmcia_socket *sock, unsigned int *status) -{ - struct au1000_pcmcia_socket *skt = to_au1000_socket(sock); - - skt->status = au1x00_pcmcia_skt_state(skt); - *status = skt->status; - - return 0; -} - -/* au1x00_pcmcia_set_socket() - * Implements the set_socket() operation for the in-kernel PCMCIA - * service (formerly SS_SetSocket in Card Services). We more or - * less punt all of this work and let the kernel handle the details - * of power configuration, reset, &c. We also record the value of - * `state' in order to regurgitate it to the PCMCIA core later. - * - * Returns: 0 - */ -static int -au1x00_pcmcia_set_socket(struct pcmcia_socket *sock, socket_state_t *state) -{ - struct au1000_pcmcia_socket *skt = to_au1000_socket(sock); - - debug("for sock %u\n", skt->nr); - - debug("\tmask: %s%s%s%s%s%s\n\tflags: %s%s%s%s%s%s\n", - (state->csc_mask==0)?"<NONE>":"", - (state->csc_mask&SS_DETECT)?"DETECT ":"", - (state->csc_mask&SS_READY)?"READY ":"", - (state->csc_mask&SS_BATDEAD)?"BATDEAD ":"", - (state->csc_mask&SS_BATWARN)?"BATWARN ":"", - (state->csc_mask&SS_STSCHG)?"STSCHG ":"", - (state->flags==0)?"<NONE>":"", - (state->flags&SS_PWR_AUTO)?"PWR_AUTO ":"", - (state->flags&SS_IOCARD)?"IOCARD ":"", - (state->flags&SS_RESET)?"RESET ":"", - (state->flags&SS_SPKR_ENA)?"SPKR_ENA ":"", - (state->flags&SS_OUTPUT_ENA)?"OUTPUT_ENA ":""); - debug("\tVcc %d Vpp %d irq %d\n", - state->Vcc, state->Vpp, state->io_irq); - - return au1x00_pcmcia_config_skt(skt, state); -} - -int -au1x00_pcmcia_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *map) -{ - struct au1000_pcmcia_socket *skt = to_au1000_socket(sock); - unsigned int speed; - - if(map->map>=MAX_IO_WIN){ - debug("map (%d) out of range\n", map->map); - return -1; - } - - if(map->flags&MAP_ACTIVE){ - speed=(map->speed>0)?map->speed:AU1000_PCMCIA_IO_SPEED; - skt->spd_io[map->map] = speed; - } - - map->start=(unsigned int)(u32)skt->virt_io; - map->stop=map->start+MAP_SIZE; - return 0; - -} /* au1x00_pcmcia_set_io_map() */ - - -static int -au1x00_pcmcia_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *map) -{ - struct au1000_pcmcia_socket *skt = to_au1000_socket(sock); - unsigned short speed = map->speed; - - if(map->map>=MAX_WIN){ - debug("map (%d) out of range\n", map->map); - return -1; - } - - if (map->flags & MAP_ATTRIB) { - skt->spd_attr[map->map] = speed; - skt->spd_mem[map->map] = 0; - } else { - skt->spd_attr[map->map] = 0; - skt->spd_mem[map->map] = speed; - } - - if (map->flags & MAP_ATTRIB) { - map->static_start = skt->phys_attr + map->card_start; - } - else { - map->static_start = skt->phys_mem + map->card_start; - } - - debug("set_mem_map %d start %08lx card_start %08x\n", - map->map, map->static_start, map->card_start); - return 0; - -} /* au1x00_pcmcia_set_mem_map() */ - -static struct pccard_operations au1x00_pcmcia_operations = { - .init = au1x00_pcmcia_sock_init, - .suspend = au1x00_pcmcia_suspend, - .get_status = au1x00_pcmcia_get_status, - .set_socket = au1x00_pcmcia_set_socket, - .set_io_map = au1x00_pcmcia_set_io_map, - .set_mem_map = au1x00_pcmcia_set_mem_map, -}; - -static const char *skt_names[] = { - "PCMCIA socket 0", - "PCMCIA socket 1", -}; - -struct skt_dev_info { - int nskt; -}; - -int au1x00_pcmcia_socket_probe(struct device *dev, struct pcmcia_low_level *ops, int first, int nr) -{ - struct skt_dev_info *sinfo; - struct au1000_pcmcia_socket *skt; - int ret, i; - - sinfo = kzalloc(sizeof(struct skt_dev_info), GFP_KERNEL); - if (!sinfo) { - ret = -ENOMEM; - goto out; - } - - sinfo->nskt = nr; - - /* - * Initialise the per-socket structure. - */ - for (i = 0; i < nr; i++) { - skt = PCMCIA_SOCKET(i); - memset(skt, 0, sizeof(*skt)); - - skt->socket.resource_ops = &pccard_static_ops; - skt->socket.ops = &au1x00_pcmcia_operations; - skt->socket.owner = ops->owner; - skt->socket.dev.parent = dev; - - init_timer(&skt->poll_timer); - skt->poll_timer.function = au1x00_pcmcia_poll_event; - skt->poll_timer.data = (unsigned long)skt; - skt->poll_timer.expires = jiffies + AU1000_PCMCIA_POLL_PERIOD; - - skt->nr = first + i; - skt->irq = 255; - skt->dev = dev; - skt->ops = ops; - - skt->res_skt.name = skt_names[skt->nr]; - skt->res_io.name = "io"; - skt->res_io.flags = IORESOURCE_MEM | IORESOURCE_BUSY; - skt->res_mem.name = "memory"; - skt->res_mem.flags = IORESOURCE_MEM; - skt->res_attr.name = "attribute"; - skt->res_attr.flags = IORESOURCE_MEM; - - /* - * PCMCIA client drivers use the inb/outb macros to access the - * IO registers. Since mips_io_port_base is added to the - * access address of the mips implementation of inb/outb, - * we need to subtract it here because we want to access the - * I/O or MEM address directly, without going through this - * "mips_io_port_base" mechanism. - */ - if (i == 0) { - skt->virt_io = (void *) - (ioremap((phys_t)AU1X_SOCK0_IO, 0x1000) - - (u32)mips_io_port_base); - skt->phys_attr = AU1X_SOCK0_PSEUDO_PHYS_ATTR; - skt->phys_mem = AU1X_SOCK0_PSEUDO_PHYS_MEM; - } -#ifndef CONFIG_MIPS_XXS1500 - else { - skt->virt_io = (void *) - (ioremap((phys_t)AU1X_SOCK1_IO, 0x1000) - - (u32)mips_io_port_base); - skt->phys_attr = AU1X_SOCK1_PSEUDO_PHYS_ATTR; - skt->phys_mem = AU1X_SOCK1_PSEUDO_PHYS_MEM; - } -#endif - pcmcia_base_vaddrs[i] = (u32 *)skt->virt_io; - ret = ops->hw_init(skt); - - skt->socket.features = SS_CAP_STATIC_MAP|SS_CAP_PCCARD; - skt->socket.irq_mask = 0; - skt->socket.map_size = MAP_SIZE; - skt->socket.pci_irq = skt->irq; - skt->socket.io_offset = (unsigned long)skt->virt_io; - - skt->status = au1x00_pcmcia_skt_state(skt); - - ret = pcmcia_register_socket(&skt->socket); - if (ret) - goto out_err; - - WARN_ON(skt->socket.sock != i); - - add_timer(&skt->poll_timer); - } - - dev_set_drvdata(dev, sinfo); - return 0; - - -out_err: - flush_scheduled_work(); - ops->hw_shutdown(skt); - while (i-- > 0) { - skt = PCMCIA_SOCKET(i); - - del_timer_sync(&skt->poll_timer); - pcmcia_unregister_socket(&skt->socket); - flush_scheduled_work(); - if (i == 0) { - iounmap(skt->virt_io + (u32)mips_io_port_base); - skt->virt_io = NULL; - } -#ifndef CONFIG_MIPS_XXS1500 - else { - iounmap(skt->virt_io + (u32)mips_io_port_base); - skt->virt_io = NULL; - } -#endif - ops->hw_shutdown(skt); - - } - kfree(sinfo); -out: - return ret; -} - -int au1x00_drv_pcmcia_remove(struct platform_device *dev) -{ - struct skt_dev_info *sinfo = platform_get_drvdata(dev); - int i; - - mutex_lock(&pcmcia_sockets_lock); - platform_set_drvdata(dev, NULL); - - for (i = 0; i < sinfo->nskt; i++) { - struct au1000_pcmcia_socket *skt = PCMCIA_SOCKET(i); - - del_timer_sync(&skt->poll_timer); - pcmcia_unregister_socket(&skt->socket); - flush_scheduled_work(); - skt->ops->hw_shutdown(skt); - au1x00_pcmcia_config_skt(skt, &dead_socket); - iounmap(skt->virt_io + (u32)mips_io_port_base); - skt->virt_io = NULL; - } - - kfree(sinfo); - mutex_unlock(&pcmcia_sockets_lock); - return 0; -} - - -/* - * PCMCIA "Driver" API - */ - -static int au1x00_drv_pcmcia_probe(struct platform_device *dev) -{ - int i, ret = -ENODEV; - - mutex_lock(&pcmcia_sockets_lock); - for (i=0; i < ARRAY_SIZE(au1x00_pcmcia_hw_init); i++) { - ret = au1x00_pcmcia_hw_init[i](&dev->dev); - if (ret == 0) - break; - } - mutex_unlock(&pcmcia_sockets_lock); - return ret; -} - -static int au1x00_drv_pcmcia_suspend(struct platform_device *dev, - pm_message_t state) -{ - return pcmcia_socket_dev_suspend(&dev->dev); -} - -static int au1x00_drv_pcmcia_resume(struct platform_device *dev) -{ - return pcmcia_socket_dev_resume(&dev->dev); -} - -static struct platform_driver au1x00_pcmcia_driver = { - .driver = { - .name = "au1x00-pcmcia", - .owner = THIS_MODULE, - }, - .probe = au1x00_drv_pcmcia_probe, - .remove = au1x00_drv_pcmcia_remove, - .suspend = au1x00_drv_pcmcia_suspend, - .resume = au1x00_drv_pcmcia_resume, -}; - - -/* au1x00_pcmcia_init() - * - * This routine performs low-level PCMCIA initialization and then - * registers this socket driver with Card Services. - * - * Returns: 0 on success, -ve error code on failure - */ -static int __init au1x00_pcmcia_init(void) -{ - int error = 0; - error = platform_driver_register(&au1x00_pcmcia_driver); - return error; -} - -/* au1x00_pcmcia_exit() - * Invokes the low-level kernel service to free IRQs associated with this - * socket controller and reset GPIO edge detection. - */ -static void __exit au1x00_pcmcia_exit(void) -{ - platform_driver_unregister(&au1x00_pcmcia_driver); -} - -module_init(au1x00_pcmcia_init); -module_exit(au1x00_pcmcia_exit); diff --git a/drivers/pcmcia/au1000_generic.h b/drivers/pcmcia/au1000_generic.h deleted file mode 100644 index 13a4fbc5871..00000000000 --- a/drivers/pcmcia/au1000_generic.h +++ /dev/null @@ -1,153 +0,0 @@ -/* - * Alchemy Semi Au1000 pcmcia driver include file - * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com - * - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - */ -#ifndef __ASM_AU1000_PCMCIA_H -#define __ASM_AU1000_PCMCIA_H - -/* include the world */ - -#include <pcmcia/cs_types.h> -#include <pcmcia/cs.h> -#include <pcmcia/ss.h> -#include <pcmcia/cistpl.h> -#include "cs_internal.h" - -#define AU1000_PCMCIA_POLL_PERIOD (2*HZ) -#define AU1000_PCMCIA_IO_SPEED (255) -#define AU1000_PCMCIA_MEM_SPEED (300) - -#define AU1X_SOCK0_IO 0xF00000000ULL -#define AU1X_SOCK0_PHYS_ATTR 0xF40000000ULL -#define AU1X_SOCK0_PHYS_MEM 0xF80000000ULL -/* pseudo 32 bit phys addresses, which get fixed up to the - * real 36 bit address in fixup_bigphys_addr() */ -#define AU1X_SOCK0_PSEUDO_PHYS_ATTR 0xF4000000 -#define AU1X_SOCK0_PSEUDO_PHYS_MEM 0xF8000000 - -/* pcmcia socket 1 needs external glue logic so the memory map - * differs from board to board. - */ -#if defined(CONFIG_MIPS_PB1000) || defined(CONFIG_MIPS_PB1100) || \ - defined(CONFIG_MIPS_PB1500) || defined(CONFIG_MIPS_PB1550) || \ - defined(CONFIG_MIPS_PB1200) -#define AU1X_SOCK1_IO 0xF08000000ULL -#define AU1X_SOCK1_PHYS_ATTR 0xF48000000ULL -#define AU1X_SOCK1_PHYS_MEM 0xF88000000ULL -#define AU1X_SOCK1_PSEUDO_PHYS_ATTR 0xF4800000 -#define AU1X_SOCK1_PSEUDO_PHYS_MEM 0xF8800000 -#elif defined(CONFIG_MIPS_DB1000) || defined(CONFIG_MIPS_DB1100) || \ - defined(CONFIG_MIPS_DB1500) || defined(CONFIG_MIPS_DB1550) || \ - defined(CONFIG_MIPS_DB1200) -#define AU1X_SOCK1_IO 0xF04000000ULL -#define AU1X_SOCK1_PHYS_ATTR 0xF44000000ULL -#define AU1X_SOCK1_PHYS_MEM 0xF84000000ULL -#define AU1X_SOCK1_PSEUDO_PHYS_ATTR 0xF4400000 -#define AU1X_SOCK1_PSEUDO_PHYS_MEM 0xF8400000 -#endif - -struct pcmcia_state { - unsigned detect: 1, - ready: 1, - wrprot: 1, - bvd1: 1, - bvd2: 1, - vs_3v: 1, - vs_Xv: 1; -}; - -struct pcmcia_configure { - unsigned sock: 8, - vcc: 8, - vpp: 8, - output: 1, - speaker: 1, - reset: 1; -}; - -struct pcmcia_irqs { - int sock; - int irq; - const char *str; -}; - - -struct au1000_pcmcia_socket { - struct pcmcia_socket socket; - - /* - * Info from low level handler - */ - struct device *dev; - unsigned int nr; - unsigned int irq; - - /* - * Core PCMCIA state - */ - struct pcmcia_low_level *ops; - - unsigned int status; - socket_state_t cs_state; - - unsigned short spd_io[MAX_IO_WIN]; - unsigned short spd_mem[MAX_WIN]; - unsigned short spd_attr[MAX_WIN]; - - struct resource res_skt; - struct resource res_io; - struct resource res_mem; - struct resource res_attr; - - void * virt_io; - unsigned int phys_io; - unsigned int phys_attr; - unsigned int phys_mem; - unsigned short speed_io, speed_attr, speed_mem; - - unsigned int irq_state; - - struct timer_list poll_timer; -}; - -struct pcmcia_low_level { - struct module *owner; - - int (*hw_init)(struct au1000_pcmcia_socket *); - void (*hw_shutdown)(struct au1000_pcmcia_socket *); - - void (*socket_state)(struct au1000_pcmcia_socket *, struct pcmcia_state *); - int (*configure_socket)(struct au1000_pcmcia_socket *, struct socket_state_t *); - - /* - * Enable card status IRQs on (re-)initialisation. This can - * be called at initialisation, power management event, or - * pcmcia event. - */ - void (*socket_init)(struct au1000_pcmcia_socket *); - - /* - * Disable card status IRQs and PCMCIA bus on suspend. - */ - void (*socket_suspend)(struct au1000_pcmcia_socket *); -}; - -extern int au1x_board_init(struct device *dev); - -#endif /* __ASM_AU1000_PCMCIA_H */ diff --git a/drivers/pcmcia/au1000_pb1x00.c b/drivers/pcmcia/au1000_pb1x00.c deleted file mode 100644 index b1984ed72d1..00000000000 --- a/drivers/pcmcia/au1000_pb1x00.c +++ /dev/null @@ -1,414 +0,0 @@ -/* - * - * Alchemy Semi Pb1x00 boards specific pcmcia routines. - * - * Copyright 2002 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com - * - * ######################################################################## - * - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - */ -#include <linux/module.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/ioport.h> -#include <linux/kernel.h> -#include <linux/timer.h> -#include <linux/mm.h> -#include <linux/proc_fs.h> -#include <linux/types.h> - -#include <pcmcia/cs_types.h> -#include <pcmcia/cs.h> -#include <pcmcia/ss.h> -#include <pcmcia/cistpl.h> -#include <pcmcia/bus_ops.h> - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/system.h> - -#include <asm/au1000.h> -#include <asm/au1000_pcmcia.h> - -#define debug(fmt, arg...) do { } while (0) - -#ifdef CONFIG_MIPS_PB1000 -#include <asm/pb1000.h> -#define PCMCIA_IRQ AU1000_GPIO_15 -#elif defined (CONFIG_MIPS_PB1500) -#include <asm/pb1500.h> -#define PCMCIA_IRQ AU1500_GPIO_203 -#elif defined (CONFIG_MIPS_PB1100) -#include <asm/pb1100.h> -#define PCMCIA_IRQ AU1000_GPIO_11 -#endif - -static int pb1x00_pcmcia_init(struct pcmcia_init *init) -{ -#ifdef CONFIG_MIPS_PB1000 - u16 pcr; - pcr = PCR_SLOT_0_RST | PCR_SLOT_1_RST; - - au_writel(0x8000, PB1000_MDR); /* clear pcmcia interrupt */ - au_sync_delay(100); - au_writel(0x4000, PB1000_MDR); /* enable pcmcia interrupt */ - au_sync(); - - pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,0); - pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,1); - au_writel(pcr, PB1000_PCR); - au_sync_delay(20); - - return PCMCIA_NUM_SOCKS; - -#else /* fixme -- take care of the Pb1500 at some point */ - - u16 pcr; - pcr = au_readw(PCMCIA_BOARD_REG) & ~0xf; /* turn off power */ - pcr &= ~(PC_DEASSERT_RST | PC_DRV_EN); - au_writew(pcr, PCMCIA_BOARD_REG); - au_sync_delay(500); - return PCMCIA_NUM_SOCKS; -#endif -} - -static int pb1x00_pcmcia_shutdown(void) -{ -#ifdef CONFIG_MIPS_PB1000 - u16 pcr; - pcr = PCR_SLOT_0_RST | PCR_SLOT_1_RST; - pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,0); - pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,1); - au_writel(pcr, PB1000_PCR); - au_sync_delay(20); - return 0; -#else - u16 pcr; - pcr = au_readw(PCMCIA_BOARD_REG) & ~0xf; /* turn off power */ - pcr &= ~(PC_DEASSERT_RST | PC_DRV_EN); - au_writew(pcr, PCMCIA_BOARD_REG); - au_sync_delay(2); - return 0; -#endif -} - -static int -pb1x00_pcmcia_socket_state(unsigned sock, struct pcmcia_state *state) -{ - u32 inserted0, inserted1; - u16 vs0, vs1; - -#ifdef CONFIG_MIPS_PB1000 - vs0 = vs1 = (u16)au_readl(PB1000_ACR1); - inserted0 = !(vs0 & (ACR1_SLOT_0_CD1 | ACR1_SLOT_0_CD2)); - inserted1 = !(vs1 & (ACR1_SLOT_1_CD1 | ACR1_SLOT_1_CD2)); - vs0 = (vs0 >> 4) & 0x3; - vs1 = (vs1 >> 12) & 0x3; -#else - vs0 = (au_readw(BOARD_STATUS_REG) >> 4) & 0x3; -#ifdef CONFIG_MIPS_PB1500 - inserted0 = !((au_readl(GPIO2_PINSTATE) >> 1) & 0x1); /* gpio 201 */ -#else /* Pb1100 */ - inserted0 = !((au_readl(SYS_PINSTATERD) >> 9) & 0x1); /* gpio 9 */ -#endif - inserted1 = 0; -#endif - - state->ready = 0; - state->vs_Xv = 0; - state->vs_3v = 0; - state->detect = 0; - - if (sock == 0) { - if (inserted0) { - switch (vs0) { - case 0: - case 2: - state->vs_3v=1; - break; - case 3: /* 5V */ - break; - default: - /* return without setting 'detect' */ - printk(KERN_ERR "pb1x00 bad VS (%d)\n", - vs0); - return 0; - } - state->detect = 1; - } - } - else { - if (inserted1) { - switch (vs1) { - case 0: - case 2: - state->vs_3v=1; - break; - case 3: /* 5V */ - break; - default: - /* return without setting 'detect' */ - printk(KERN_ERR "pb1x00 bad VS (%d)\n", - vs1); - return 0; - } - state->detect = 1; - } - } - - if (state->detect) { - state->ready = 1; - } - - state->bvd1=1; - state->bvd2=1; - state->wrprot=0; - return 1; -} - - -static int pb1x00_pcmcia_get_irq_info(struct pcmcia_irq_info *info) -{ - - if(info->sock > PCMCIA_MAX_SOCK) return -1; - - /* - * Even in the case of the Pb1000, both sockets are connected - * to the same irq line. - */ - info->irq = PCMCIA_IRQ; - - return 0; -} - - -static int -pb1x00_pcmcia_configure_socket(const struct pcmcia_configure *configure) -{ - u16 pcr; - - if(configure->sock > PCMCIA_MAX_SOCK) return -1; - -#ifdef CONFIG_MIPS_PB1000 - pcr = au_readl(PB1000_PCR); - - if (configure->sock == 0) { - pcr &= ~(PCR_SLOT_0_VCC0 | PCR_SLOT_0_VCC1 | - PCR_SLOT_0_VPP0 | PCR_SLOT_0_VPP1); - } - else { - pcr &= ~(PCR_SLOT_1_VCC0 | PCR_SLOT_1_VCC1 | - PCR_SLOT_1_VPP0 | PCR_SLOT_1_VPP1); - } - - pcr &= ~PCR_SLOT_0_RST; - debug("Vcc %dV Vpp %dV, pcr %x\n", - configure->vcc, configure->vpp, pcr); - switch(configure->vcc){ - case 0: /* Vcc 0 */ - switch(configure->vpp) { - case 0: - pcr |= SET_VCC_VPP(VCC_HIZ,VPP_GND, - configure->sock); - break; - case 12: - pcr |= SET_VCC_VPP(VCC_HIZ,VPP_12V, - configure->sock); - break; - case 50: - pcr |= SET_VCC_VPP(VCC_HIZ,VPP_5V, - configure->sock); - break; - case 33: - pcr |= SET_VCC_VPP(VCC_HIZ,VPP_3V, - configure->sock); - break; - default: - pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ, - configure->sock); - printk("%s: bad Vcc/Vpp (%d:%d)\n", - __func__, - configure->vcc, - configure->vpp); - break; - } - break; - case 50: /* Vcc 5V */ - switch(configure->vpp) { - case 0: - pcr |= SET_VCC_VPP(VCC_5V,VPP_GND, - configure->sock); - break; - case 50: - pcr |= SET_VCC_VPP(VCC_5V,VPP_5V, - configure->sock); - break; - case 12: - pcr |= SET_VCC_VPP(VCC_5V,VPP_12V, - configure->sock); - break; - case 33: - pcr |= SET_VCC_VPP(VCC_5V,VPP_3V, - configure->sock); - break; - default: - pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ, - configure->sock); - printk("%s: bad Vcc/Vpp (%d:%d)\n", - __func__, - configure->vcc, - configure->vpp); - break; - } - break; - case 33: /* Vcc 3.3V */ - switch(configure->vpp) { - case 0: - pcr |= SET_VCC_VPP(VCC_3V,VPP_GND, - configure->sock); - break; - case 50: - pcr |= SET_VCC_VPP(VCC_3V,VPP_5V, - configure->sock); - break; - case 12: - pcr |= SET_VCC_VPP(VCC_3V,VPP_12V, - configure->sock); - break; - case 33: - pcr |= SET_VCC_VPP(VCC_3V,VPP_3V, - configure->sock); - break; - default: - pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ, - configure->sock); - printk("%s: bad Vcc/Vpp (%d:%d)\n", - __func__, - configure->vcc, - configure->vpp); - break; - } - break; - default: /* what's this ? */ - pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,configure->sock); - printk(KERN_ERR "%s: bad Vcc %d\n", - __func__, configure->vcc); - break; - } - - if (configure->sock == 0) { - pcr &= ~(PCR_SLOT_0_RST); - if (configure->reset) - pcr |= PCR_SLOT_0_RST; - } - else { - pcr &= ~(PCR_SLOT_1_RST); - if (configure->reset) - pcr |= PCR_SLOT_1_RST; - } - au_writel(pcr, PB1000_PCR); - au_sync_delay(300); - -#else - - pcr = au_readw(PCMCIA_BOARD_REG) & ~0xf; - - debug("Vcc %dV Vpp %dV, pcr %x, reset %d\n", - configure->vcc, configure->vpp, pcr, configure->reset); - - - switch(configure->vcc){ - case 0: /* Vcc 0 */ - pcr |= SET_VCC_VPP(0,0); - break; - case 50: /* Vcc 5V */ - switch(configure->vpp) { - case 0: - pcr |= SET_VCC_VPP(2,0); - break; - case 50: - pcr |= SET_VCC_VPP(2,1); - break; - case 12: - pcr |= SET_VCC_VPP(2,2); - break; - case 33: - default: - pcr |= SET_VCC_VPP(0,0); - printk("%s: bad Vcc/Vpp (%d:%d)\n", - __func__, - configure->vcc, - configure->vpp); - break; - } - break; - case 33: /* Vcc 3.3V */ - switch(configure->vpp) { - case 0: - pcr |= SET_VCC_VPP(1,0); - break; - case 12: - pcr |= SET_VCC_VPP(1,2); - break; - case 33: - pcr |= SET_VCC_VPP(1,1); - break; - case 50: - default: - pcr |= SET_VCC_VPP(0,0); - printk("%s: bad Vcc/Vpp (%d:%d)\n", - __func__, - configure->vcc, - configure->vpp); - break; - } - break; - default: /* what's this ? */ - pcr |= SET_VCC_VPP(0,0); - printk(KERN_ERR "%s: bad Vcc %d\n", - __func__, configure->vcc); - break; - } - - au_writew(pcr, PCMCIA_BOARD_REG); - au_sync_delay(300); - - if (!configure->reset) { - pcr |= PC_DRV_EN; - au_writew(pcr, PCMCIA_BOARD_REG); - au_sync_delay(100); - pcr |= PC_DEASSERT_RST; - au_writew(pcr, PCMCIA_BOARD_REG); - au_sync_delay(100); - } - else { - pcr &= ~(PC_DEASSERT_RST | PC_DRV_EN); - au_writew(pcr, PCMCIA_BOARD_REG); - au_sync_delay(100); - } -#endif - return 0; -} - - -struct pcmcia_low_level pb1x00_pcmcia_ops = { - pb1x00_pcmcia_init, - pb1x00_pcmcia_shutdown, - pb1x00_pcmcia_socket_state, - pb1x00_pcmcia_get_irq_info, - pb1x00_pcmcia_configure_socket -}; diff --git a/drivers/pcmcia/au1000_xxs1500.c b/drivers/pcmcia/au1000_xxs1500.c deleted file mode 100644 index b43d47b5081..00000000000 --- a/drivers/pcmcia/au1000_xxs1500.c +++ /dev/null @@ -1,188 +0,0 @@ -/* - * - * MyCable board specific pcmcia routines. - * - * Copyright 2003 MontaVista Software Inc. - * Author: Pete Popov, MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com - * - * ######################################################################## - * - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - * ######################################################################## - * - * - */ -#include <linux/module.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/ioport.h> -#include <linux/kernel.h> -#include <linux/timer.h> -#include <linux/mm.h> -#include <linux/proc_fs.h> -#include <linux/types.h> - -#include <pcmcia/cs_types.h> -#include <pcmcia/cs.h> -#include <pcmcia/ss.h> -#include <pcmcia/cistpl.h> -#include <pcmcia/bus_ops.h> - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/system.h> - -#include <asm/au1000.h> -#include <asm/au1000_pcmcia.h> - -#define PCMCIA_MAX_SOCK 0 -#define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK + 1) -#define PCMCIA_IRQ AU1000_GPIO_4 - -#if 0 -#define DEBUG(x, args...) printk(__func__ ": " x, ##args) -#else -#define DEBUG(x,args...) -#endif - -static int xxs1500_pcmcia_init(struct pcmcia_init *init) -{ - return PCMCIA_NUM_SOCKS; -} - -static int xxs1500_pcmcia_shutdown(void) -{ - /* turn off power */ - au_writel(au_readl(GPIO2_PINSTATE) | (1<<14)|(1<<30), - GPIO2_OUTPUT); - au_sync_delay(100); - - /* assert reset */ - au_writel(au_readl(GPIO2_PINSTATE) | (1<<4)|(1<<20), - GPIO2_OUTPUT); - au_sync_delay(100); - return 0; -} - - -static int -xxs1500_pcmcia_socket_state(unsigned sock, struct pcmcia_state *state) -{ - u32 inserted; u32 vs; - unsigned long gpio, gpio2; - - if(sock > PCMCIA_MAX_SOCK) return -1; - - gpio = au_readl(SYS_PINSTATERD); - gpio2 = au_readl(GPIO2_PINSTATE); - - vs = gpio2 & ((1<<8) | (1<<9)); - inserted = (!(gpio & 0x1) && !(gpio & 0x2)); - - state->ready = 0; - state->vs_Xv = 0; - state->vs_3v = 0; - state->detect = 0; - - if (inserted) { - switch (vs) { - case 0: - case 1: - case 2: - state->vs_3v=1; - break; - case 3: /* 5V */ - default: - /* return without setting 'detect' */ - printk(KERN_ERR "au1x00_cs: unsupported VS\n", - vs); - return; - } - state->detect = 1; - } - - if (state->detect) { - state->ready = 1; - } - - state->bvd1= gpio2 & (1<<10); - state->bvd2 = gpio2 & (1<<11); - state->wrprot=0; - return 1; -} - - -static int xxs1500_pcmcia_get_irq_info(struct pcmcia_irq_info *info) -{ - - if(info->sock > PCMCIA_MAX_SOCK) return -1; - info->irq = PCMCIA_IRQ; - return 0; -} - - -static int -xxs1500_pcmcia_configure_socket(const struct pcmcia_configure *configure) -{ - - if(configure->sock > PCMCIA_MAX_SOCK) return -1; - - DEBUG("Vcc %dV Vpp %dV, reset %d\n", - configure->vcc, configure->vpp, configure->reset); - - switch(configure->vcc){ - case 33: /* Vcc 3.3V */ - /* turn on power */ - DEBUG("turn on power\n"); - au_writel((au_readl(GPIO2_PINSTATE) & ~(1<<14))|(1<<30), - GPIO2_OUTPUT); - au_sync_delay(100); - break; - case 50: /* Vcc 5V */ - default: /* what's this ? */ - printk(KERN_ERR "au1x00_cs: unsupported VCC\n"); - case 0: /* Vcc 0 */ - /* turn off power */ - au_sync_delay(100); - au_writel(au_readl(GPIO2_PINSTATE) | (1<<14)|(1<<30), - GPIO2_OUTPUT); - break; - } - - if (!configure->reset) { - DEBUG("deassert reset\n"); - au_writel((au_readl(GPIO2_PINSTATE) & ~(1<<4))|(1<<20), - GPIO2_OUTPUT); - au_sync_delay(100); - au_writel((au_readl(GPIO2_PINSTATE) & ~(1<<5))|(1<<21), - GPIO2_OUTPUT); - } - else { - DEBUG("assert reset\n"); - au_writel(au_readl(GPIO2_PINSTATE) | (1<<4)|(1<<20), - GPIO2_OUTPUT); - } - au_sync_delay(100); - return 0; -} - -struct pcmcia_low_level xxs1500_pcmcia_ops = { - xxs1500_pcmcia_init, - xxs1500_pcmcia_shutdown, - xxs1500_pcmcia_socket_state, - xxs1500_pcmcia_get_irq_info, - xxs1500_pcmcia_configure_socket -}; diff --git a/drivers/pcmcia/bcm63xx_pcmcia.c b/drivers/pcmcia/bcm63xx_pcmcia.c index bc88a3b19bb..0c6aac1232f 100644 --- a/drivers/pcmcia/bcm63xx_pcmcia.c +++ b/drivers/pcmcia/bcm63xx_pcmcia.c @@ -11,6 +11,7 @@ #include <linux/ioport.h> #include <linux/timer.h> #include <linux/platform_device.h> +#include <linux/slab.h> #include <linux/delay.h> #include <linux/pci.h> #include <linux/gpio.h> @@ -322,7 +323,7 @@ static struct pccard_operations bcm63xx_pcmcia_operations = { /* * register pcmcia socket to core */ -static int __devinit bcm63xx_drv_pcmcia_probe(struct platform_device *pdev) +static int bcm63xx_drv_pcmcia_probe(struct platform_device *pdev) { struct bcm63xx_pcmcia_socket *skt; struct pcmcia_socket *sock; @@ -435,7 +436,7 @@ err: return ret; } -static int __devexit bcm63xx_drv_pcmcia_remove(struct platform_device *pdev) +static int bcm63xx_drv_pcmcia_remove(struct platform_device *pdev) { struct bcm63xx_pcmcia_socket *skt; struct resource *res; @@ -452,7 +453,7 @@ static int __devexit bcm63xx_drv_pcmcia_remove(struct platform_device *pdev) struct platform_driver bcm63xx_pcmcia_driver = { .probe = bcm63xx_drv_pcmcia_probe, - .remove = __devexit_p(bcm63xx_drv_pcmcia_remove), + .remove = bcm63xx_drv_pcmcia_remove, .driver = { .name = "bcm63xx_pcmcia", .owner = THIS_MODULE, @@ -460,7 +461,7 @@ struct platform_driver bcm63xx_pcmcia_driver = { }; #ifdef CONFIG_CARDBUS -static int __devinit bcm63xx_cb_probe(struct pci_dev *dev, +static int bcm63xx_cb_probe(struct pci_dev *dev, const struct pci_device_id *id) { /* keep pci device */ @@ -468,13 +469,13 @@ static int __devinit bcm63xx_cb_probe(struct pci_dev *dev, return platform_driver_register(&bcm63xx_pcmcia_driver); } -static void __devexit bcm63xx_cb_exit(struct pci_dev *dev) +static void bcm63xx_cb_exit(struct pci_dev *dev) { platform_driver_unregister(&bcm63xx_pcmcia_driver); bcm63xx_cb_dev = NULL; } -static struct pci_device_id bcm63xx_cb_table[] = { +static DEFINE_PCI_DEVICE_TABLE(bcm63xx_cb_table) = { { .vendor = PCI_VENDOR_ID_BROADCOM, .device = BCM6348_CPU_ID, @@ -502,7 +503,7 @@ static struct pci_driver bcm63xx_cardbus_driver = { .name = "bcm63xx_cardbus", .id_table = bcm63xx_cb_table, .probe = bcm63xx_cb_probe, - .remove = __devexit_p(bcm63xx_cb_exit), + .remove = bcm63xx_cb_exit, }; #endif diff --git a/drivers/pcmcia/bfin_cf_pcmcia.c b/drivers/pcmcia/bfin_cf_pcmcia.c index 300b368605c..971991bab97 100644 --- a/drivers/pcmcia/bfin_cf_pcmcia.c +++ b/drivers/pcmcia/bfin_cf_pcmcia.c @@ -31,6 +31,7 @@ #include <linux/platform_device.h> #include <linux/errno.h> #include <linux/init.h> +#include <linux/slab.h> #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/irq.h> @@ -112,7 +113,7 @@ static int bfin_cf_get_status(struct pcmcia_socket *s, u_int *sp) if (bfin_cf_present(cf->cd_pfx)) { *sp = SS_READY | SS_DETECT | SS_POWERON | SS_3VCARD; - s->irq.AssignedIRQ = 0; + s->pcmcia_irq = 0; s->pci_irq = cf->irq; } else @@ -194,7 +195,7 @@ static struct pccard_operations bfin_cf_ops = { /*--------------------------------------------------------------------------*/ -static int __devinit bfin_cf_probe(struct platform_device *pdev) +static int bfin_cf_probe(struct platform_device *pdev) { struct bfin_cf_socket *cf; struct resource *io_mem, *attr_mem; @@ -205,7 +206,7 @@ static int __devinit bfin_cf_probe(struct platform_device *pdev) dev_info(&pdev->dev, "Blackfin CompactFlash/PCMCIA Socket Driver\n"); irq = platform_get_irq(pdev, 0); - if (!irq) + if (irq <= 0) return -EINVAL; cd_pfx = platform_get_irq(pdev, 1); /*Card Detect GPIO PIN */ @@ -234,7 +235,7 @@ static int __devinit bfin_cf_probe(struct platform_device *pdev) cf->irq = irq; cf->socket.pci_irq = irq; - set_irq_type(irq, IRQF_TRIGGER_LOW); + irq_set_irq_type(irq, IRQF_TRIGGER_LOW); io_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); attr_mem = platform_get_resource(pdev, IORESOURCE_MEM, 1); @@ -285,7 +286,7 @@ fail0: return status; } -static int __devexit bfin_cf_remove(struct platform_device *pdev) +static int bfin_cf_remove(struct platform_device *pdev) { struct bfin_cf_socket *cf = platform_get_drvdata(pdev); @@ -300,39 +301,16 @@ static int __devexit bfin_cf_remove(struct platform_device *pdev) return 0; } -static int bfin_cf_suspend(struct platform_device *pdev, pm_message_t mesg) -{ - return pcmcia_socket_dev_suspend(&pdev->dev); -} - -static int bfin_cf_resume(struct platform_device *pdev) -{ - return pcmcia_socket_dev_resume(&pdev->dev); -} - static struct platform_driver bfin_cf_driver = { .driver = { - .name = (char *)driver_name, + .name = driver_name, .owner = THIS_MODULE, }, .probe = bfin_cf_probe, - .remove = __devexit_p(bfin_cf_remove), - .suspend = bfin_cf_suspend, - .resume = bfin_cf_resume, + .remove = bfin_cf_remove, }; -static int __init bfin_cf_init(void) -{ - return platform_driver_register(&bfin_cf_driver); -} - -static void __exit bfin_cf_exit(void) -{ - platform_driver_unregister(&bfin_cf_driver); -} - -module_init(bfin_cf_init); -module_exit(bfin_cf_exit); +module_platform_driver(bfin_cf_driver); MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); MODULE_DESCRIPTION("BFIN CF/PCMCIA Driver"); diff --git a/drivers/pcmcia/cardbus.c b/drivers/pcmcia/cardbus.c index d99f846451a..4fe4cc4ae19 100644 --- a/drivers/pcmcia/cardbus.c +++ b/drivers/pcmcia/cardbus.c @@ -20,170 +20,12 @@ */ -#include <linux/module.h> #include <linux/kernel.h> -#include <linux/string.h> -#include <linux/slab.h> -#include <linux/mm.h> +#include <linux/module.h> #include <linux/pci.h> -#include <linux/ioport.h> -#include <linux/io.h> -#include <asm/irq.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> -#include <pcmcia/cistpl.h> -#include "cs_internal.h" - -/*====================================================================*/ - -/* Offsets in the Expansion ROM Image Header */ -#define ROM_SIGNATURE 0x0000 /* 2 bytes */ -#define ROM_DATA_PTR 0x0018 /* 2 bytes */ - -/* Offsets in the CardBus PC Card Data Structure */ -#define PCDATA_SIGNATURE 0x0000 /* 4 bytes */ -#define PCDATA_VPD_PTR 0x0008 /* 2 bytes */ -#define PCDATA_LENGTH 0x000a /* 2 bytes */ -#define PCDATA_REVISION 0x000c -#define PCDATA_IMAGE_SZ 0x0010 /* 2 bytes */ -#define PCDATA_ROM_LEVEL 0x0012 /* 2 bytes */ -#define PCDATA_CODE_TYPE 0x0014 -#define PCDATA_INDICATOR 0x0015 - -/*===================================================================== - - Expansion ROM's have a special layout, and pointers specify an - image number and an offset within that image. xlate_rom_addr() - converts an image/offset address to an absolute offset from the - ROM's base address. - -=====================================================================*/ - -static u_int xlate_rom_addr(void __iomem *b, u_int addr) -{ - u_int img = 0, ofs = 0, sz; - u_short data; - while ((readb(b) == 0x55) && (readb(b + 1) == 0xaa)) { - if (img == (addr >> 28)) - return (addr & 0x0fffffff) + ofs; - data = readb(b + ROM_DATA_PTR) + (readb(b + ROM_DATA_PTR + 1) << 8); - sz = 512 * (readb(b + data + PCDATA_IMAGE_SZ) + - (readb(b + data + PCDATA_IMAGE_SZ + 1) << 8)); - if ((sz == 0) || (readb(b + data + PCDATA_INDICATOR) & 0x80)) - break; - b += sz; - ofs += sz; - img++; - } - return 0; -} - -/*===================================================================== - - These are similar to setup_cis_mem and release_cis_mem for 16-bit - cards. The "result" that is used externally is the cb_cis_virt - pointer in the struct pcmcia_socket structure. - -=====================================================================*/ - -static void cb_release_cis_mem(struct pcmcia_socket *s) -{ - if (s->cb_cis_virt) { - dev_dbg(&s->dev, "cb_release_cis_mem()\n"); - iounmap(s->cb_cis_virt); - s->cb_cis_virt = NULL; - s->cb_cis_res = NULL; - } -} - -static int cb_setup_cis_mem(struct pcmcia_socket *s, struct resource *res) -{ - unsigned int start, size; - - if (res == s->cb_cis_res) - return 0; - - if (s->cb_cis_res) - cb_release_cis_mem(s); - - start = res->start; - size = res->end - start + 1; - s->cb_cis_virt = ioremap(start, size); - - if (!s->cb_cis_virt) - return -1; - - s->cb_cis_res = res; - - return 0; -} - -/*===================================================================== - This is used by the CIS processing code to read CIS information - from a CardBus device. - -=====================================================================*/ - -int read_cb_mem(struct pcmcia_socket *s, int space, u_int addr, u_int len, - void *ptr) -{ - struct pci_dev *dev; - struct resource *res; - - dev_dbg(&s->dev, "read_cb_mem(%d, %#x, %u)\n", space, addr, len); - - dev = pci_get_slot(s->cb_dev->subordinate, 0); - if (!dev) - goto fail; - - /* Config space? */ - if (space == 0) { - if (addr + len > 0x100) - goto failput; - for (; len; addr++, ptr++, len--) - pci_read_config_byte(dev, addr, ptr); - return 0; - } - - res = dev->resource + space - 1; - - pci_dev_put(dev); - - if (!res->flags) - goto fail; - - if (cb_setup_cis_mem(s, res) != 0) - goto fail; - - if (space == 7) { - addr = xlate_rom_addr(s->cb_cis_virt, addr); - if (addr == 0) - goto fail; - } - - if (addr + len > res->end - res->start) - goto fail; - - memcpy_fromio(ptr, s->cb_cis_virt + addr, len); - return 0; - -failput: - pci_dev_put(dev); -fail: - memset(ptr, 0xff, len); - return -1; -} - -/*===================================================================== - - cb_alloc() and cb_free() allocate and free the kernel data - structures for a Cardbus device, and handle the lowest level PCI - device setup issues. - -=====================================================================*/ static void cardbus_config_irq_and_cls(struct pci_bus *bus, int irq) { @@ -215,20 +57,28 @@ static void cardbus_config_irq_and_cls(struct pci_bus *bus, int irq) } } +/** + * cb_alloc() - add CardBus device + * @s: the pcmcia_socket where the CardBus device is located + * + * cb_alloc() allocates the kernel data structures for a Cardbus device + * and handles the lowest level PCI device setup issues. + */ int __ref cb_alloc(struct pcmcia_socket *s) { struct pci_bus *bus = s->cb_dev->subordinate; struct pci_dev *dev; unsigned int max, pass; + pci_lock_rescan_remove(); + s->functions = pci_scan_slot(bus, PCI_DEVFN(0, 0)); - pci_fixup_cardbus(bus); + pci_fixup_cardbus(bus); - max = bus->secondary; + max = bus->busn_res.start; for (pass = 0; pass < 2; pass++) list_for_each_entry(dev, &bus->devices, bus_list) - if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE || - dev->hdr_type == PCI_HEADER_TYPE_CARDBUS) + if (pci_is_bridge(dev)) max = pci_scan_bridge(bus, dev, max, pass); /* @@ -242,19 +92,35 @@ int __ref cb_alloc(struct pcmcia_socket *s) if (s->tune_bridge) s->tune_bridge(s, bus); - pci_enable_bridges(bus); pci_bus_add_devices(bus); - s->irq.AssignedIRQ = s->pci_irq; + pci_unlock_rescan_remove(); return 0; } +/** + * cb_free() - remove CardBus device + * @s: the pcmcia_socket where the CardBus device was located + * + * cb_free() handles the lowest level PCI device cleanup. + */ void cb_free(struct pcmcia_socket *s) { - struct pci_dev *bridge = s->cb_dev; + struct pci_dev *bridge, *dev, *tmp; + struct pci_bus *bus; + + bridge = s->cb_dev; + if (!bridge) + return; + + bus = bridge->subordinate; + if (!bus) + return; + + pci_lock_rescan_remove(); - cb_release_cis_mem(s); + list_for_each_entry_safe(dev, tmp, &bus->devices, bus_list) + pci_stop_and_remove_bus_device(dev); - if (bridge) - pci_remove_behind_bridge(bridge); + pci_unlock_rescan_remove(); } diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c index 25b1cd219e3..884a984216f 100644 --- a/drivers/pcmcia/cistpl.c +++ b/drivers/pcmcia/cistpl.c @@ -27,9 +27,7 @@ #include <asm/byteorder.h> #include <asm/unaligned.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include <pcmcia/cisreg.h> #include <pcmcia/cistpl.h> #include "cs_internal.h" @@ -54,9 +52,8 @@ static const u_int exponent[] = { /* Upper limit on reasonable # of tuples */ #define MAX_TUPLES 200 -/*====================================================================*/ - -/* Parameters that can be set with 'insmod' */ +/* Bits in IRQInfo1 field */ +#define IRQ_INFO2_VALID 0x10 /* 16-bit CIS? */ static int cis_width; @@ -64,33 +61,38 @@ module_param(cis_width, int, 0444); void release_cis_mem(struct pcmcia_socket *s) { - if (s->cis_mem.flags & MAP_ACTIVE) { - s->cis_mem.flags &= ~MAP_ACTIVE; - s->ops->set_mem_map(s, &s->cis_mem); - if (s->cis_mem.res) { - release_resource(s->cis_mem.res); - kfree(s->cis_mem.res); - s->cis_mem.res = NULL; + mutex_lock(&s->ops_mutex); + if (s->cis_mem.flags & MAP_ACTIVE) { + s->cis_mem.flags &= ~MAP_ACTIVE; + s->ops->set_mem_map(s, &s->cis_mem); + if (s->cis_mem.res) { + release_resource(s->cis_mem.res); + kfree(s->cis_mem.res); + s->cis_mem.res = NULL; + } + iounmap(s->cis_virt); + s->cis_virt = NULL; } - iounmap(s->cis_virt); - s->cis_virt = NULL; - } + mutex_unlock(&s->ops_mutex); } -EXPORT_SYMBOL(release_cis_mem); -/* - * Map the card memory at "card_offset" into virtual space. +/** + * set_cis_map() - map the card memory at "card_offset" into virtual space. + * * If flags & MAP_ATTRIB, map the attribute space, otherwise * map the memory space. + * + * Must be called with ops_mutex held. */ -static void __iomem * -set_cis_map(struct pcmcia_socket *s, unsigned int card_offset, unsigned int flags) +static void __iomem *set_cis_map(struct pcmcia_socket *s, + unsigned int card_offset, unsigned int flags) { pccard_mem_map *mem = &s->cis_mem; int ret; if (!(s->features & SS_CAP_STATIC_MAP) && (mem->res == NULL)) { - mem->res = pcmcia_find_mem_region(0, s->map_size, s->map_size, 0, s); + mem->res = pcmcia_find_mem_region(0, s->map_size, + s->map_size, 0, s); if (mem->res == NULL) { dev_printk(KERN_NOTICE, &s->dev, "cs: unable to map card memory!\n"); @@ -121,176 +123,195 @@ set_cis_map(struct pcmcia_socket *s, unsigned int card_offset, unsigned int flag return s->cis_virt; } -/*====================================================================== - - Low-level functions to read and write CIS memory. I think the - write routine is only useful for writing one-byte registers. - -======================================================================*/ /* Bits in attr field */ #define IS_ATTR 1 #define IS_INDIRECT 8 +/** + * pcmcia_read_cis_mem() - low-level function to read CIS memory + * + * must be called with ops_mutex held + */ int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, u_int addr, u_int len, void *ptr) { - void __iomem *sys, *end; - unsigned char *buf = ptr; - - dev_dbg(&s->dev, "pcmcia_read_cis_mem(%d, %#x, %u)\n", attr, addr, len); - - if (attr & IS_INDIRECT) { - /* Indirect accesses use a bunch of special registers at fixed - locations in common memory */ - u_char flags = ICTRL0_COMMON|ICTRL0_AUTOINC|ICTRL0_BYTEGRAN; - if (attr & IS_ATTR) { - addr *= 2; - flags = ICTRL0_AUTOINC; - } + void __iomem *sys, *end; + unsigned char *buf = ptr; + + dev_dbg(&s->dev, "pcmcia_read_cis_mem(%d, %#x, %u)\n", attr, addr, len); + + if (attr & IS_INDIRECT) { + /* Indirect accesses use a bunch of special registers at fixed + locations in common memory */ + u_char flags = ICTRL0_COMMON|ICTRL0_AUTOINC|ICTRL0_BYTEGRAN; + if (attr & IS_ATTR) { + addr *= 2; + flags = ICTRL0_AUTOINC; + } - sys = set_cis_map(s, 0, MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0)); - if (!sys) { - memset(ptr, 0xff, len); - return -1; - } + sys = set_cis_map(s, 0, MAP_ACTIVE | + ((cis_width) ? MAP_16BIT : 0)); + if (!sys) { + dev_dbg(&s->dev, "could not map memory\n"); + memset(ptr, 0xff, len); + return -1; + } - writeb(flags, sys+CISREG_ICTRL0); - writeb(addr & 0xff, sys+CISREG_IADDR0); - writeb((addr>>8) & 0xff, sys+CISREG_IADDR1); - writeb((addr>>16) & 0xff, sys+CISREG_IADDR2); - writeb((addr>>24) & 0xff, sys+CISREG_IADDR3); - for ( ; len > 0; len--, buf++) - *buf = readb(sys+CISREG_IDATA0); - } else { - u_int inc = 1, card_offset, flags; - - flags = MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0); - if (attr) { - flags |= MAP_ATTRIB; - inc++; - addr *= 2; - } + writeb(flags, sys+CISREG_ICTRL0); + writeb(addr & 0xff, sys+CISREG_IADDR0); + writeb((addr>>8) & 0xff, sys+CISREG_IADDR1); + writeb((addr>>16) & 0xff, sys+CISREG_IADDR2); + writeb((addr>>24) & 0xff, sys+CISREG_IADDR3); + for ( ; len > 0; len--, buf++) + *buf = readb(sys+CISREG_IDATA0); + } else { + u_int inc = 1, card_offset, flags; - card_offset = addr & ~(s->map_size-1); - while (len) { - sys = set_cis_map(s, card_offset, flags); - if (!sys) { - memset(ptr, 0xff, len); - return -1; - } - end = sys + s->map_size; - sys = sys + (addr & (s->map_size-1)); - for ( ; len > 0; len--, buf++, sys += inc) { - if (sys == end) - break; - *buf = readb(sys); - } - card_offset += s->map_size; - addr = 0; + if (addr > CISTPL_MAX_CIS_SIZE) + dev_dbg(&s->dev, + "attempt to read CIS mem at addr %#x", addr); + + flags = MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0); + if (attr) { + flags |= MAP_ATTRIB; + inc++; + addr *= 2; + } + + card_offset = addr & ~(s->map_size-1); + while (len) { + sys = set_cis_map(s, card_offset, flags); + if (!sys) { + dev_dbg(&s->dev, "could not map memory\n"); + memset(ptr, 0xff, len); + return -1; + } + end = sys + s->map_size; + sys = sys + (addr & (s->map_size-1)); + for ( ; len > 0; len--, buf++, sys += inc) { + if (sys == end) + break; + *buf = readb(sys); + } + card_offset += s->map_size; + addr = 0; + } } - } - dev_dbg(&s->dev, " %#2.2x %#2.2x %#2.2x %#2.2x ...\n", - *(u_char *)(ptr+0), *(u_char *)(ptr+1), - *(u_char *)(ptr+2), *(u_char *)(ptr+3)); - return 0; + dev_dbg(&s->dev, " %#2.2x %#2.2x %#2.2x %#2.2x ...\n", + *(u_char *)(ptr+0), *(u_char *)(ptr+1), + *(u_char *)(ptr+2), *(u_char *)(ptr+3)); + return 0; } -EXPORT_SYMBOL(pcmcia_read_cis_mem); -void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, u_int addr, +/** + * pcmcia_write_cis_mem() - low-level function to write CIS memory + * + * Probably only useful for writing one-byte registers. Must be called + * with ops_mutex held. + */ +int pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, u_int addr, u_int len, void *ptr) { - void __iomem *sys, *end; - unsigned char *buf = ptr; - - dev_dbg(&s->dev, "pcmcia_write_cis_mem(%d, %#x, %u)\n", attr, addr, len); - - if (attr & IS_INDIRECT) { - /* Indirect accesses use a bunch of special registers at fixed - locations in common memory */ - u_char flags = ICTRL0_COMMON|ICTRL0_AUTOINC|ICTRL0_BYTEGRAN; - if (attr & IS_ATTR) { - addr *= 2; - flags = ICTRL0_AUTOINC; - } + void __iomem *sys, *end; + unsigned char *buf = ptr; + + dev_dbg(&s->dev, + "pcmcia_write_cis_mem(%d, %#x, %u)\n", attr, addr, len); + + if (attr & IS_INDIRECT) { + /* Indirect accesses use a bunch of special registers at fixed + locations in common memory */ + u_char flags = ICTRL0_COMMON|ICTRL0_AUTOINC|ICTRL0_BYTEGRAN; + if (attr & IS_ATTR) { + addr *= 2; + flags = ICTRL0_AUTOINC; + } - sys = set_cis_map(s, 0, MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0)); - if (!sys) - return; /* FIXME: Error */ - - writeb(flags, sys+CISREG_ICTRL0); - writeb(addr & 0xff, sys+CISREG_IADDR0); - writeb((addr>>8) & 0xff, sys+CISREG_IADDR1); - writeb((addr>>16) & 0xff, sys+CISREG_IADDR2); - writeb((addr>>24) & 0xff, sys+CISREG_IADDR3); - for ( ; len > 0; len--, buf++) - writeb(*buf, sys+CISREG_IDATA0); - } else { - u_int inc = 1, card_offset, flags; - - flags = MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0); - if (attr & IS_ATTR) { - flags |= MAP_ATTRIB; - inc++; - addr *= 2; - } + sys = set_cis_map(s, 0, MAP_ACTIVE | + ((cis_width) ? MAP_16BIT : 0)); + if (!sys) { + dev_dbg(&s->dev, "could not map memory\n"); + return -EINVAL; + } - card_offset = addr & ~(s->map_size-1); - while (len) { - sys = set_cis_map(s, card_offset, flags); - if (!sys) - return; /* FIXME: error */ - - end = sys + s->map_size; - sys = sys + (addr & (s->map_size-1)); - for ( ; len > 0; len--, buf++, sys += inc) { - if (sys == end) - break; - writeb(*buf, sys); - } - card_offset += s->map_size; - addr = 0; + writeb(flags, sys+CISREG_ICTRL0); + writeb(addr & 0xff, sys+CISREG_IADDR0); + writeb((addr>>8) & 0xff, sys+CISREG_IADDR1); + writeb((addr>>16) & 0xff, sys+CISREG_IADDR2); + writeb((addr>>24) & 0xff, sys+CISREG_IADDR3); + for ( ; len > 0; len--, buf++) + writeb(*buf, sys+CISREG_IDATA0); + } else { + u_int inc = 1, card_offset, flags; + + flags = MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0); + if (attr & IS_ATTR) { + flags |= MAP_ATTRIB; + inc++; + addr *= 2; + } + + card_offset = addr & ~(s->map_size-1); + while (len) { + sys = set_cis_map(s, card_offset, flags); + if (!sys) { + dev_dbg(&s->dev, "could not map memory\n"); + return -EINVAL; + } + + end = sys + s->map_size; + sys = sys + (addr & (s->map_size-1)); + for ( ; len > 0; len--, buf++, sys += inc) { + if (sys == end) + break; + writeb(*buf, sys); + } + card_offset += s->map_size; + addr = 0; + } } - } + return 0; } -EXPORT_SYMBOL(pcmcia_write_cis_mem); -/*====================================================================== +/** + * read_cis_cache() - read CIS memory or its associated cache + * + * This is a wrapper around read_cis_mem, with the same interface, + * but which caches information, for cards whose CIS may not be + * readable all the time. + */ +static int read_cis_cache(struct pcmcia_socket *s, int attr, u_int addr, + size_t len, void *ptr) +{ + struct cis_cache_entry *cis; + int ret = 0; - This is a wrapper around read_cis_mem, with the same interface, - but which caches information, for cards whose CIS may not be - readable all the time. + if (s->state & SOCKET_CARDBUS) + return -EINVAL; -======================================================================*/ + mutex_lock(&s->ops_mutex); + if (s->fake_cis) { + if (s->fake_cis_len >= addr+len) + memcpy(ptr, s->fake_cis+addr, len); + else { + memset(ptr, 0xff, len); + ret = -EINVAL; + } + mutex_unlock(&s->ops_mutex); + return ret; + } -static void read_cis_cache(struct pcmcia_socket *s, int attr, u_int addr, - size_t len, void *ptr) -{ - struct cis_cache_entry *cis; - int ret; - - if (s->fake_cis) { - if (s->fake_cis_len >= addr+len) - memcpy(ptr, s->fake_cis+addr, len); - else - memset(ptr, 0xff, len); - return; - } - - list_for_each_entry(cis, &s->cis_cache, node) { - if (cis->addr == addr && cis->len == len && cis->attr == attr) { - memcpy(ptr, cis->cache, len); - return; + list_for_each_entry(cis, &s->cis_cache, node) { + if (cis->addr == addr && cis->len == len && cis->attr == attr) { + memcpy(ptr, cis->cache, len); + mutex_unlock(&s->ops_mutex); + return 0; + } } - } -#ifdef CONFIG_CARDBUS - if (s->state & SOCKET_CARDBUS) - ret = read_cb_mem(s, attr, addr, len, ptr); - else -#endif ret = pcmcia_read_cis_mem(s, attr, addr, len, ptr); if (ret == 0) { @@ -304,6 +325,9 @@ static void read_cis_cache(struct pcmcia_socket *s, int attr, u_int addr, list_add(&cis->node, &s->cis_cache); } } + mutex_unlock(&s->ops_mutex); + + return ret; } static void @@ -311,44 +335,46 @@ remove_cis_cache(struct pcmcia_socket *s, int attr, u_int addr, u_int len) { struct cis_cache_entry *cis; + mutex_lock(&s->ops_mutex); list_for_each_entry(cis, &s->cis_cache, node) if (cis->addr == addr && cis->len == len && cis->attr == attr) { list_del(&cis->node); kfree(cis); break; } + mutex_unlock(&s->ops_mutex); } +/** + * destroy_cis_cache() - destroy the CIS cache + * @s: pcmcia_socket for which CIS cache shall be destroyed + * + * This destroys the CIS cache but keeps any fake CIS alive. Must be + * called with ops_mutex held. + */ void destroy_cis_cache(struct pcmcia_socket *s) { struct list_head *l, *n; + struct cis_cache_entry *cis; list_for_each_safe(l, n, &s->cis_cache) { - struct cis_cache_entry *cis = list_entry(l, struct cis_cache_entry, node); - + cis = list_entry(l, struct cis_cache_entry, node); list_del(&cis->node); kfree(cis); } - - /* - * If there was a fake CIS, destroy that as well. - */ - kfree(s->fake_cis); - s->fake_cis = NULL; } -EXPORT_SYMBOL(destroy_cis_cache); - -/*====================================================================== - - This verifies if the CIS of a card matches what is in the CIS - cache. - -======================================================================*/ +/** + * verify_cis_cache() - does the CIS match what is in the CIS cache? + */ int verify_cis_cache(struct pcmcia_socket *s) { struct cis_cache_entry *cis; char *buf; + int ret; + + if (s->state & SOCKET_CARDBUS) + return -EINVAL; buf = kmalloc(256, GFP_KERNEL); if (buf == NULL) { @@ -356,34 +382,31 @@ int verify_cis_cache(struct pcmcia_socket *s) "no memory for verifying CIS\n"); return -ENOMEM; } + mutex_lock(&s->ops_mutex); list_for_each_entry(cis, &s->cis_cache, node) { int len = cis->len; if (len > 256) len = 256; -#ifdef CONFIG_CARDBUS - if (s->state & SOCKET_CARDBUS) - read_cb_mem(s, cis->attr, cis->addr, len, buf); - else -#endif - pcmcia_read_cis_mem(s, cis->attr, cis->addr, len, buf); - - if (memcmp(buf, cis->cache, len) != 0) { + + ret = pcmcia_read_cis_mem(s, cis->attr, cis->addr, len, buf); + if (ret || memcmp(buf, cis->cache, len) != 0) { kfree(buf); + mutex_unlock(&s->ops_mutex); return -1; } } kfree(buf); + mutex_unlock(&s->ops_mutex); return 0; } -/*====================================================================== - - For really bad cards, we provide a facility for uploading a - replacement CIS. - -======================================================================*/ - +/** + * pcmcia_replace_cis() - use a replacement CIS instead of the card's CIS + * + * For really bad cards, we provide a facility for uploading a + * replacement CIS. + */ int pcmcia_replace_cis(struct pcmcia_socket *s, const u8 *data, const size_t len) { @@ -391,29 +414,28 @@ int pcmcia_replace_cis(struct pcmcia_socket *s, dev_printk(KERN_WARNING, &s->dev, "replacement CIS too big\n"); return -EINVAL; } + mutex_lock(&s->ops_mutex); kfree(s->fake_cis); s->fake_cis = kmalloc(len, GFP_KERNEL); if (s->fake_cis == NULL) { dev_printk(KERN_WARNING, &s->dev, "no memory to replace CIS\n"); + mutex_unlock(&s->ops_mutex); return -ENOMEM; } s->fake_cis_len = len; memcpy(s->fake_cis, data, len); + dev_info(&s->dev, "Using replacement CIS\n"); + mutex_unlock(&s->ops_mutex); return 0; } -EXPORT_SYMBOL(pcmcia_replace_cis); - -/*====================================================================== - The high-level CIS tuple services - -======================================================================*/ +/* The high-level CIS tuple services */ typedef struct tuple_flags { - u_int link_space:4; - u_int has_link:1; - u_int mfc_fn:3; - u_int space:4; + u_int link_space:4; + u_int has_link:1; + u_int mfc_fn:3; + u_int space:4; } tuple_flags; #define LINK_SPACE(f) (((tuple_flags *)(&(f)))->link_space) @@ -421,1236 +443,1158 @@ typedef struct tuple_flags { #define MFC_FN(f) (((tuple_flags *)(&(f)))->mfc_fn) #define SPACE(f) (((tuple_flags *)(&(f)))->space) -int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function, tuple_t *tuple) +int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function, + tuple_t *tuple) { - if (!s) - return -EINVAL; - if (!(s->state & SOCKET_PRESENT)) - return -ENODEV; - tuple->TupleLink = tuple->Flags = 0; -#ifdef CONFIG_CARDBUS - if (s->state & SOCKET_CARDBUS) { - struct pci_dev *dev = s->cb_dev; - u_int ptr; - pci_bus_read_config_dword(dev->subordinate, 0, PCI_CARDBUS_CIS, &ptr); - tuple->CISOffset = ptr & ~7; - SPACE(tuple->Flags) = (ptr & 7); - } else -#endif - { + if (!s) + return -EINVAL; + + if (!(s->state & SOCKET_PRESENT) || (s->state & SOCKET_CARDBUS)) + return -ENODEV; + tuple->TupleLink = tuple->Flags = 0; + /* Assume presence of a LONGLINK_C to address 0 */ tuple->CISOffset = tuple->LinkOffset = 0; SPACE(tuple->Flags) = HAS_LINK(tuple->Flags) = 1; - } - if (!(s->state & SOCKET_CARDBUS) && (s->functions > 1) && - !(tuple->Attributes & TUPLE_RETURN_COMMON)) { - cisdata_t req = tuple->DesiredTuple; - tuple->DesiredTuple = CISTPL_LONGLINK_MFC; - if (pccard_get_next_tuple(s, function, tuple) == 0) { - tuple->DesiredTuple = CISTPL_LINKTARGET; - if (pccard_get_next_tuple(s, function, tuple) != 0) - return -ENOSPC; - } else - tuple->CISOffset = tuple->TupleLink = 0; - tuple->DesiredTuple = req; - } - return pccard_get_next_tuple(s, function, tuple); + + if ((s->functions > 1) && !(tuple->Attributes & TUPLE_RETURN_COMMON)) { + cisdata_t req = tuple->DesiredTuple; + tuple->DesiredTuple = CISTPL_LONGLINK_MFC; + if (pccard_get_next_tuple(s, function, tuple) == 0) { + tuple->DesiredTuple = CISTPL_LINKTARGET; + if (pccard_get_next_tuple(s, function, tuple) != 0) + return -ENOSPC; + } else + tuple->CISOffset = tuple->TupleLink = 0; + tuple->DesiredTuple = req; + } + return pccard_get_next_tuple(s, function, tuple); } -EXPORT_SYMBOL(pccard_get_first_tuple); static int follow_link(struct pcmcia_socket *s, tuple_t *tuple) { - u_char link[5]; - u_int ofs; - - if (MFC_FN(tuple->Flags)) { - /* Get indirect link from the MFC tuple */ - read_cis_cache(s, LINK_SPACE(tuple->Flags), - tuple->LinkOffset, 5, link); - ofs = get_unaligned_le32(link + 1); - SPACE(tuple->Flags) = (link[0] == CISTPL_MFC_ATTR); - /* Move to the next indirect link */ - tuple->LinkOffset += 5; - MFC_FN(tuple->Flags)--; - } else if (HAS_LINK(tuple->Flags)) { - ofs = tuple->LinkOffset; - SPACE(tuple->Flags) = LINK_SPACE(tuple->Flags); - HAS_LINK(tuple->Flags) = 0; - } else { - return -1; - } - if (!(s->state & SOCKET_CARDBUS) && SPACE(tuple->Flags)) { - /* This is ugly, but a common CIS error is to code the long - link offset incorrectly, so we check the right spot... */ - read_cis_cache(s, SPACE(tuple->Flags), ofs, 5, link); + u_char link[5]; + u_int ofs; + int ret; + + if (MFC_FN(tuple->Flags)) { + /* Get indirect link from the MFC tuple */ + ret = read_cis_cache(s, LINK_SPACE(tuple->Flags), + tuple->LinkOffset, 5, link); + if (ret) + return -1; + ofs = get_unaligned_le32(link + 1); + SPACE(tuple->Flags) = (link[0] == CISTPL_MFC_ATTR); + /* Move to the next indirect link */ + tuple->LinkOffset += 5; + MFC_FN(tuple->Flags)--; + } else if (HAS_LINK(tuple->Flags)) { + ofs = tuple->LinkOffset; + SPACE(tuple->Flags) = LINK_SPACE(tuple->Flags); + HAS_LINK(tuple->Flags) = 0; + } else + return -1; + + if (SPACE(tuple->Flags)) { + /* This is ugly, but a common CIS error is to code the long + link offset incorrectly, so we check the right spot... */ + ret = read_cis_cache(s, SPACE(tuple->Flags), ofs, 5, link); + if (ret) + return -1; + if ((link[0] == CISTPL_LINKTARGET) && (link[1] >= 3) && + (strncmp(link+2, "CIS", 3) == 0)) + return ofs; + remove_cis_cache(s, SPACE(tuple->Flags), ofs, 5); + /* Then, we try the wrong spot... */ + ofs = ofs >> 1; + } + ret = read_cis_cache(s, SPACE(tuple->Flags), ofs, 5, link); + if (ret) + return -1; if ((link[0] == CISTPL_LINKTARGET) && (link[1] >= 3) && - (strncmp(link+2, "CIS", 3) == 0)) - return ofs; + (strncmp(link+2, "CIS", 3) == 0)) + return ofs; remove_cis_cache(s, SPACE(tuple->Flags), ofs, 5); - /* Then, we try the wrong spot... */ - ofs = ofs >> 1; - } - read_cis_cache(s, SPACE(tuple->Flags), ofs, 5, link); - if ((link[0] == CISTPL_LINKTARGET) && (link[1] >= 3) && - (strncmp(link+2, "CIS", 3) == 0)) - return ofs; - remove_cis_cache(s, SPACE(tuple->Flags), ofs, 5); - return -1; + return -1; } -int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function, tuple_t *tuple) +int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function, + tuple_t *tuple) { - u_char link[2], tmp; - int ofs, i, attr; + u_char link[2], tmp; + int ofs, i, attr; + int ret; - if (!s) - return -EINVAL; - if (!(s->state & SOCKET_PRESENT)) - return -ENODEV; + if (!s) + return -EINVAL; + if (!(s->state & SOCKET_PRESENT) || (s->state & SOCKET_CARDBUS)) + return -ENODEV; + + link[1] = tuple->TupleLink; + ofs = tuple->CISOffset + tuple->TupleLink; + attr = SPACE(tuple->Flags); + + for (i = 0; i < MAX_TUPLES; i++) { + if (link[1] == 0xff) + link[0] = CISTPL_END; + else { + ret = read_cis_cache(s, attr, ofs, 2, link); + if (ret) + return -1; + if (link[0] == CISTPL_NULL) { + ofs++; + continue; + } + } - link[1] = tuple->TupleLink; - ofs = tuple->CISOffset + tuple->TupleLink; - attr = SPACE(tuple->Flags); + /* End of chain? Follow long link if possible */ + if (link[0] == CISTPL_END) { + ofs = follow_link(s, tuple); + if (ofs < 0) + return -ENOSPC; + attr = SPACE(tuple->Flags); + ret = read_cis_cache(s, attr, ofs, 2, link); + if (ret) + return -1; + } - for (i = 0; i < MAX_TUPLES; i++) { - if (link[1] == 0xff) { - link[0] = CISTPL_END; - } else { - read_cis_cache(s, attr, ofs, 2, link); - if (link[0] == CISTPL_NULL) { - ofs++; continue; - } + /* Is this a link tuple? Make a note of it */ + if ((link[0] == CISTPL_LONGLINK_A) || + (link[0] == CISTPL_LONGLINK_C) || + (link[0] == CISTPL_LONGLINK_MFC) || + (link[0] == CISTPL_LINKTARGET) || + (link[0] == CISTPL_INDIRECT) || + (link[0] == CISTPL_NO_LINK)) { + switch (link[0]) { + case CISTPL_LONGLINK_A: + HAS_LINK(tuple->Flags) = 1; + LINK_SPACE(tuple->Flags) = attr | IS_ATTR; + ret = read_cis_cache(s, attr, ofs+2, 4, + &tuple->LinkOffset); + if (ret) + return -1; + break; + case CISTPL_LONGLINK_C: + HAS_LINK(tuple->Flags) = 1; + LINK_SPACE(tuple->Flags) = attr & ~IS_ATTR; + ret = read_cis_cache(s, attr, ofs+2, 4, + &tuple->LinkOffset); + if (ret) + return -1; + break; + case CISTPL_INDIRECT: + HAS_LINK(tuple->Flags) = 1; + LINK_SPACE(tuple->Flags) = IS_ATTR | + IS_INDIRECT; + tuple->LinkOffset = 0; + break; + case CISTPL_LONGLINK_MFC: + tuple->LinkOffset = ofs + 3; + LINK_SPACE(tuple->Flags) = attr; + if (function == BIND_FN_ALL) { + /* Follow all the MFC links */ + ret = read_cis_cache(s, attr, ofs+2, + 1, &tmp); + if (ret) + return -1; + MFC_FN(tuple->Flags) = tmp; + } else { + /* Follow exactly one of the links */ + MFC_FN(tuple->Flags) = 1; + tuple->LinkOffset += function * 5; + } + break; + case CISTPL_NO_LINK: + HAS_LINK(tuple->Flags) = 0; + break; + } + if ((tuple->Attributes & TUPLE_RETURN_LINK) && + (tuple->DesiredTuple == RETURN_FIRST_TUPLE)) + break; + } else + if (tuple->DesiredTuple == RETURN_FIRST_TUPLE) + break; + + if (link[0] == tuple->DesiredTuple) + break; + ofs += link[1] + 2; } - - /* End of chain? Follow long link if possible */ - if (link[0] == CISTPL_END) { - ofs = follow_link(s, tuple); - if (ofs < 0) + if (i == MAX_TUPLES) { + dev_dbg(&s->dev, "cs: overrun in pcmcia_get_next_tuple\n"); return -ENOSPC; - attr = SPACE(tuple->Flags); - read_cis_cache(s, attr, ofs, 2, link); } - /* Is this a link tuple? Make a note of it */ - if ((link[0] == CISTPL_LONGLINK_A) || - (link[0] == CISTPL_LONGLINK_C) || - (link[0] == CISTPL_LONGLINK_MFC) || - (link[0] == CISTPL_LINKTARGET) || - (link[0] == CISTPL_INDIRECT) || - (link[0] == CISTPL_NO_LINK)) { - switch (link[0]) { - case CISTPL_LONGLINK_A: - HAS_LINK(tuple->Flags) = 1; - LINK_SPACE(tuple->Flags) = attr | IS_ATTR; - read_cis_cache(s, attr, ofs+2, 4, &tuple->LinkOffset); - break; - case CISTPL_LONGLINK_C: - HAS_LINK(tuple->Flags) = 1; - LINK_SPACE(tuple->Flags) = attr & ~IS_ATTR; - read_cis_cache(s, attr, ofs+2, 4, &tuple->LinkOffset); - break; - case CISTPL_INDIRECT: - HAS_LINK(tuple->Flags) = 1; - LINK_SPACE(tuple->Flags) = IS_ATTR | IS_INDIRECT; - tuple->LinkOffset = 0; - break; - case CISTPL_LONGLINK_MFC: - tuple->LinkOffset = ofs + 3; - LINK_SPACE(tuple->Flags) = attr; - if (function == BIND_FN_ALL) { - /* Follow all the MFC links */ - read_cis_cache(s, attr, ofs+2, 1, &tmp); - MFC_FN(tuple->Flags) = tmp; - } else { - /* Follow exactly one of the links */ - MFC_FN(tuple->Flags) = 1; - tuple->LinkOffset += function * 5; - } - break; - case CISTPL_NO_LINK: - HAS_LINK(tuple->Flags) = 0; - break; - } - if ((tuple->Attributes & TUPLE_RETURN_LINK) && - (tuple->DesiredTuple == RETURN_FIRST_TUPLE)) - break; - } else - if (tuple->DesiredTuple == RETURN_FIRST_TUPLE) - break; - - if (link[0] == tuple->DesiredTuple) - break; - ofs += link[1] + 2; - } - if (i == MAX_TUPLES) { - dev_dbg(&s->dev, "cs: overrun in pcmcia_get_next_tuple\n"); - return -ENOSPC; - } - - tuple->TupleCode = link[0]; - tuple->TupleLink = link[1]; - tuple->CISOffset = ofs + 2; - return 0; + tuple->TupleCode = link[0]; + tuple->TupleLink = link[1]; + tuple->CISOffset = ofs + 2; + return 0; } -EXPORT_SYMBOL(pccard_get_next_tuple); - -/*====================================================================*/ - -#define _MIN(a, b) (((a) < (b)) ? (a) : (b)) int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple) { - u_int len; + u_int len; + int ret; - if (!s) - return -EINVAL; + if (!s) + return -EINVAL; - if (tuple->TupleLink < tuple->TupleOffset) - return -ENOSPC; - len = tuple->TupleLink - tuple->TupleOffset; - tuple->TupleDataLen = tuple->TupleLink; - if (len == 0) + if (tuple->TupleLink < tuple->TupleOffset) + return -ENOSPC; + len = tuple->TupleLink - tuple->TupleOffset; + tuple->TupleDataLen = tuple->TupleLink; + if (len == 0) + return 0; + ret = read_cis_cache(s, SPACE(tuple->Flags), + tuple->CISOffset + tuple->TupleOffset, + min(len, (u_int) tuple->TupleDataMax), + tuple->TupleData); + if (ret) + return -1; return 0; - read_cis_cache(s, SPACE(tuple->Flags), - tuple->CISOffset + tuple->TupleOffset, - _MIN(len, tuple->TupleDataMax), tuple->TupleData); - return 0; } -EXPORT_SYMBOL(pccard_get_tuple_data); - - -/*====================================================================== - Parsing routines for individual tuples -======================================================================*/ +/* Parsing routines for individual tuples */ static int parse_device(tuple_t *tuple, cistpl_device_t *device) { - int i; - u_char scale; - u_char *p, *q; + int i; + u_char scale; + u_char *p, *q; - p = (u_char *)tuple->TupleData; - q = p + tuple->TupleDataLen; + p = (u_char *)tuple->TupleData; + q = p + tuple->TupleDataLen; - device->ndev = 0; - for (i = 0; i < CISTPL_MAX_DEVICES; i++) { + device->ndev = 0; + for (i = 0; i < CISTPL_MAX_DEVICES; i++) { - if (*p == 0xff) - break; - device->dev[i].type = (*p >> 4); - device->dev[i].wp = (*p & 0x08) ? 1 : 0; - switch (*p & 0x07) { - case 0: - device->dev[i].speed = 0; - break; - case 1: - device->dev[i].speed = 250; - break; - case 2: - device->dev[i].speed = 200; - break; - case 3: - device->dev[i].speed = 150; - break; - case 4: - device->dev[i].speed = 100; - break; - case 7: - if (++p == q) - return -EINVAL; - device->dev[i].speed = SPEED_CVT(*p); - while (*p & 0x80) + if (*p == 0xff) + break; + device->dev[i].type = (*p >> 4); + device->dev[i].wp = (*p & 0x08) ? 1 : 0; + switch (*p & 0x07) { + case 0: + device->dev[i].speed = 0; + break; + case 1: + device->dev[i].speed = 250; + break; + case 2: + device->dev[i].speed = 200; + break; + case 3: + device->dev[i].speed = 150; + break; + case 4: + device->dev[i].speed = 100; + break; + case 7: if (++p == q) return -EINVAL; - break; - default: - return -EINVAL; - } + device->dev[i].speed = SPEED_CVT(*p); + while (*p & 0x80) + if (++p == q) + return -EINVAL; + break; + default: + return -EINVAL; + } - if (++p == q) - return -EINVAL; - if (*p == 0xff) - break; - scale = *p & 7; - if (scale == 7) - return -EINVAL; - device->dev[i].size = ((*p >> 3) + 1) * (512 << (scale*2)); - device->ndev++; - if (++p == q) - break; - } + if (++p == q) + return -EINVAL; + if (*p == 0xff) + break; + scale = *p & 7; + if (scale == 7) + return -EINVAL; + device->dev[i].size = ((*p >> 3) + 1) * (512 << (scale*2)); + device->ndev++; + if (++p == q) + break; + } - return 0; + return 0; } -/*====================================================================*/ static int parse_checksum(tuple_t *tuple, cistpl_checksum_t *csum) { - u_char *p; - if (tuple->TupleDataLen < 5) - return -EINVAL; - p = (u_char *) tuple->TupleData; - csum->addr = tuple->CISOffset + get_unaligned_le16(p) - 2; - csum->len = get_unaligned_le16(p + 2); - csum->sum = *(p + 4); - return 0; + u_char *p; + if (tuple->TupleDataLen < 5) + return -EINVAL; + p = (u_char *) tuple->TupleData; + csum->addr = tuple->CISOffset + get_unaligned_le16(p) - 2; + csum->len = get_unaligned_le16(p + 2); + csum->sum = *(p + 4); + return 0; } -/*====================================================================*/ static int parse_longlink(tuple_t *tuple, cistpl_longlink_t *link) { - if (tuple->TupleDataLen < 4) - return -EINVAL; - link->addr = get_unaligned_le32(tuple->TupleData); - return 0; + if (tuple->TupleDataLen < 4) + return -EINVAL; + link->addr = get_unaligned_le32(tuple->TupleData); + return 0; } -/*====================================================================*/ -static int parse_longlink_mfc(tuple_t *tuple, - cistpl_longlink_mfc_t *link) +static int parse_longlink_mfc(tuple_t *tuple, cistpl_longlink_mfc_t *link) { - u_char *p; - int i; - - p = (u_char *)tuple->TupleData; - - link->nfn = *p; p++; - if (tuple->TupleDataLen <= link->nfn*5) - return -EINVAL; - for (i = 0; i < link->nfn; i++) { - link->fn[i].space = *p; p++; - link->fn[i].addr = get_unaligned_le32(p); - p += 4; - } - return 0; + u_char *p; + int i; + + p = (u_char *)tuple->TupleData; + + link->nfn = *p; p++; + if (tuple->TupleDataLen <= link->nfn*5) + return -EINVAL; + for (i = 0; i < link->nfn; i++) { + link->fn[i].space = *p; p++; + link->fn[i].addr = get_unaligned_le32(p); + p += 4; + } + return 0; } -/*====================================================================*/ static int parse_strings(u_char *p, u_char *q, int max, char *s, u_char *ofs, u_char *found) { - int i, j, ns; + int i, j, ns; - if (p == q) - return -EINVAL; - ns = 0; j = 0; - for (i = 0; i < max; i++) { - if (*p == 0xff) - break; - ofs[i] = j; - ns++; - for (;;) { - s[j++] = (*p == 0xff) ? '\0' : *p; - if ((*p == '\0') || (*p == 0xff)) - break; - if (++p == q) - return -EINVAL; + if (p == q) + return -EINVAL; + ns = 0; j = 0; + for (i = 0; i < max; i++) { + if (*p == 0xff) + break; + ofs[i] = j; + ns++; + for (;;) { + s[j++] = (*p == 0xff) ? '\0' : *p; + if ((*p == '\0') || (*p == 0xff)) + break; + if (++p == q) + return -EINVAL; + } + if ((*p == 0xff) || (++p == q)) + break; } - if ((*p == 0xff) || (++p == q)) - break; - } - if (found) { - *found = ns; - return 0; - } else { + if (found) { + *found = ns; + return 0; + } + return (ns == max) ? 0 : -EINVAL; - } } -/*====================================================================*/ static int parse_vers_1(tuple_t *tuple, cistpl_vers_1_t *vers_1) { - u_char *p, *q; + u_char *p, *q; - p = (u_char *)tuple->TupleData; - q = p + tuple->TupleDataLen; + p = (u_char *)tuple->TupleData; + q = p + tuple->TupleDataLen; - vers_1->major = *p; p++; - vers_1->minor = *p; p++; - if (p >= q) - return -EINVAL; + vers_1->major = *p; p++; + vers_1->minor = *p; p++; + if (p >= q) + return -EINVAL; - return parse_strings(p, q, CISTPL_VERS_1_MAX_PROD_STRINGS, - vers_1->str, vers_1->ofs, &vers_1->ns); + return parse_strings(p, q, CISTPL_VERS_1_MAX_PROD_STRINGS, + vers_1->str, vers_1->ofs, &vers_1->ns); } -/*====================================================================*/ static int parse_altstr(tuple_t *tuple, cistpl_altstr_t *altstr) { - u_char *p, *q; + u_char *p, *q; - p = (u_char *)tuple->TupleData; - q = p + tuple->TupleDataLen; + p = (u_char *)tuple->TupleData; + q = p + tuple->TupleDataLen; - return parse_strings(p, q, CISTPL_MAX_ALTSTR_STRINGS, - altstr->str, altstr->ofs, &altstr->ns); + return parse_strings(p, q, CISTPL_MAX_ALTSTR_STRINGS, + altstr->str, altstr->ofs, &altstr->ns); } -/*====================================================================*/ static int parse_jedec(tuple_t *tuple, cistpl_jedec_t *jedec) { - u_char *p, *q; - int nid; + u_char *p, *q; + int nid; - p = (u_char *)tuple->TupleData; - q = p + tuple->TupleDataLen; + p = (u_char *)tuple->TupleData; + q = p + tuple->TupleDataLen; - for (nid = 0; nid < CISTPL_MAX_DEVICES; nid++) { - if (p > q-2) - break; - jedec->id[nid].mfr = p[0]; - jedec->id[nid].info = p[1]; - p += 2; - } - jedec->nid = nid; - return 0; + for (nid = 0; nid < CISTPL_MAX_DEVICES; nid++) { + if (p > q-2) + break; + jedec->id[nid].mfr = p[0]; + jedec->id[nid].info = p[1]; + p += 2; + } + jedec->nid = nid; + return 0; } -/*====================================================================*/ static int parse_manfid(tuple_t *tuple, cistpl_manfid_t *m) { - if (tuple->TupleDataLen < 4) - return -EINVAL; - m->manf = get_unaligned_le16(tuple->TupleData); - m->card = get_unaligned_le16(tuple->TupleData + 2); - return 0; + if (tuple->TupleDataLen < 4) + return -EINVAL; + m->manf = get_unaligned_le16(tuple->TupleData); + m->card = get_unaligned_le16(tuple->TupleData + 2); + return 0; } -/*====================================================================*/ static int parse_funcid(tuple_t *tuple, cistpl_funcid_t *f) { - u_char *p; - if (tuple->TupleDataLen < 2) - return -EINVAL; - p = (u_char *)tuple->TupleData; - f->func = p[0]; - f->sysinit = p[1]; - return 0; + u_char *p; + if (tuple->TupleDataLen < 2) + return -EINVAL; + p = (u_char *)tuple->TupleData; + f->func = p[0]; + f->sysinit = p[1]; + return 0; } -/*====================================================================*/ static int parse_funce(tuple_t *tuple, cistpl_funce_t *f) { - u_char *p; - int i; - if (tuple->TupleDataLen < 1) - return -EINVAL; - p = (u_char *)tuple->TupleData; - f->type = p[0]; - for (i = 1; i < tuple->TupleDataLen; i++) - f->data[i-1] = p[i]; - return 0; + u_char *p; + int i; + if (tuple->TupleDataLen < 1) + return -EINVAL; + p = (u_char *)tuple->TupleData; + f->type = p[0]; + for (i = 1; i < tuple->TupleDataLen; i++) + f->data[i-1] = p[i]; + return 0; } -/*====================================================================*/ static int parse_config(tuple_t *tuple, cistpl_config_t *config) { - int rasz, rmsz, i; - u_char *p; - - p = (u_char *)tuple->TupleData; - rasz = *p & 0x03; - rmsz = (*p & 0x3c) >> 2; - if (tuple->TupleDataLen < rasz+rmsz+4) - return -EINVAL; - config->last_idx = *(++p); - p++; - config->base = 0; - for (i = 0; i <= rasz; i++) - config->base += p[i] << (8*i); - p += rasz+1; - for (i = 0; i < 4; i++) - config->rmask[i] = 0; - for (i = 0; i <= rmsz; i++) - config->rmask[i>>2] += p[i] << (8*(i%4)); - config->subtuples = tuple->TupleDataLen - (rasz+rmsz+4); - return 0; + int rasz, rmsz, i; + u_char *p; + + p = (u_char *)tuple->TupleData; + rasz = *p & 0x03; + rmsz = (*p & 0x3c) >> 2; + if (tuple->TupleDataLen < rasz+rmsz+4) + return -EINVAL; + config->last_idx = *(++p); + p++; + config->base = 0; + for (i = 0; i <= rasz; i++) + config->base += p[i] << (8*i); + p += rasz+1; + for (i = 0; i < 4; i++) + config->rmask[i] = 0; + for (i = 0; i <= rmsz; i++) + config->rmask[i>>2] += p[i] << (8*(i%4)); + config->subtuples = tuple->TupleDataLen - (rasz+rmsz+4); + return 0; } -/*====================================================================== +/* The following routines are all used to parse the nightmarish + * config table entries. + */ + +static u_char *parse_power(u_char *p, u_char *q, cistpl_power_t *pwr) +{ + int i; + u_int scale; - The following routines are all used to parse the nightmarish - config table entries. + if (p == q) + return NULL; + pwr->present = *p; + pwr->flags = 0; + p++; + for (i = 0; i < 7; i++) + if (pwr->present & (1<<i)) { + if (p == q) + return NULL; + pwr->param[i] = POWER_CVT(*p); + scale = POWER_SCALE(*p); + while (*p & 0x80) { + if (++p == q) + return NULL; + if ((*p & 0x7f) < 100) + pwr->param[i] += + (*p & 0x7f) * scale / 100; + else if (*p == 0x7d) + pwr->flags |= CISTPL_POWER_HIGHZ_OK; + else if (*p == 0x7e) + pwr->param[i] = 0; + else if (*p == 0x7f) + pwr->flags |= CISTPL_POWER_HIGHZ_REQ; + else + return NULL; + } + p++; + } + return p; +} -======================================================================*/ -static u_char *parse_power(u_char *p, u_char *q, - cistpl_power_t *pwr) +static u_char *parse_timing(u_char *p, u_char *q, cistpl_timing_t *timing) { - int i; - u_int scale; - - if (p == q) - return NULL; - pwr->present = *p; - pwr->flags = 0; - p++; - for (i = 0; i < 7; i++) - if (pwr->present & (1<<i)) { - if (p == q) - return NULL; - pwr->param[i] = POWER_CVT(*p); - scale = POWER_SCALE(*p); - while (*p & 0x80) { + u_char scale; + + if (p == q) + return NULL; + scale = *p; + if ((scale & 3) != 3) { if (++p == q) return NULL; - if ((*p & 0x7f) < 100) - pwr->param[i] += (*p & 0x7f) * scale / 100; - else if (*p == 0x7d) - pwr->flags |= CISTPL_POWER_HIGHZ_OK; - else if (*p == 0x7e) - pwr->param[i] = 0; - else if (*p == 0x7f) - pwr->flags |= CISTPL_POWER_HIGHZ_REQ; - else - return NULL; - } - p++; - } - return p; + timing->wait = SPEED_CVT(*p); + timing->waitscale = exponent[scale & 3]; + } else + timing->wait = 0; + scale >>= 2; + if ((scale & 7) != 7) { + if (++p == q) + return NULL; + timing->ready = SPEED_CVT(*p); + timing->rdyscale = exponent[scale & 7]; + } else + timing->ready = 0; + scale >>= 3; + if (scale != 7) { + if (++p == q) + return NULL; + timing->reserved = SPEED_CVT(*p); + timing->rsvscale = exponent[scale]; + } else + timing->reserved = 0; + p++; + return p; } -/*====================================================================*/ -static u_char *parse_timing(u_char *p, u_char *q, - cistpl_timing_t *timing) +static u_char *parse_io(u_char *p, u_char *q, cistpl_io_t *io) { - u_char scale; + int i, j, bsz, lsz; - if (p == q) - return NULL; - scale = *p; - if ((scale & 3) != 3) { - if (++p == q) - return NULL; - timing->wait = SPEED_CVT(*p); - timing->waitscale = exponent[scale & 3]; - } else - timing->wait = 0; - scale >>= 2; - if ((scale & 7) != 7) { - if (++p == q) + if (p == q) return NULL; - timing->ready = SPEED_CVT(*p); - timing->rdyscale = exponent[scale & 7]; - } else - timing->ready = 0; - scale >>= 3; - if (scale != 7) { + io->flags = *p; + + if (!(*p & 0x80)) { + io->nwin = 1; + io->win[0].base = 0; + io->win[0].len = (1 << (io->flags & CISTPL_IO_LINES_MASK)); + return p+1; + } + if (++p == q) return NULL; - timing->reserved = SPEED_CVT(*p); - timing->rsvscale = exponent[scale]; - } else - timing->reserved = 0; - p++; - return p; -} - -/*====================================================================*/ + io->nwin = (*p & 0x0f) + 1; + bsz = (*p & 0x30) >> 4; + if (bsz == 3) + bsz++; + lsz = (*p & 0xc0) >> 6; + if (lsz == 3) + lsz++; + p++; -static u_char *parse_io(u_char *p, u_char *q, cistpl_io_t *io) -{ - int i, j, bsz, lsz; - - if (p == q) - return NULL; - io->flags = *p; - - if (!(*p & 0x80)) { - io->nwin = 1; - io->win[0].base = 0; - io->win[0].len = (1 << (io->flags & CISTPL_IO_LINES_MASK)); - return p+1; - } - - if (++p == q) - return NULL; - io->nwin = (*p & 0x0f) + 1; - bsz = (*p & 0x30) >> 4; - if (bsz == 3) - bsz++; - lsz = (*p & 0xc0) >> 6; - if (lsz == 3) - lsz++; - p++; - - for (i = 0; i < io->nwin; i++) { - io->win[i].base = 0; - io->win[i].len = 1; - for (j = 0; j < bsz; j++, p++) { - if (p == q) - return NULL; - io->win[i].base += *p << (j*8); - } - for (j = 0; j < lsz; j++, p++) { - if (p == q) - return NULL; - io->win[i].len += *p << (j*8); + for (i = 0; i < io->nwin; i++) { + io->win[i].base = 0; + io->win[i].len = 1; + for (j = 0; j < bsz; j++, p++) { + if (p == q) + return NULL; + io->win[i].base += *p << (j*8); + } + for (j = 0; j < lsz; j++, p++) { + if (p == q) + return NULL; + io->win[i].len += *p << (j*8); + } } - } - return p; + return p; } -/*====================================================================*/ static u_char *parse_mem(u_char *p, u_char *q, cistpl_mem_t *mem) { - int i, j, asz, lsz, has_ha; - u_int len, ca, ha; - - if (p == q) - return NULL; - - mem->nwin = (*p & 0x07) + 1; - lsz = (*p & 0x18) >> 3; - asz = (*p & 0x60) >> 5; - has_ha = (*p & 0x80); - if (++p == q) - return NULL; - - for (i = 0; i < mem->nwin; i++) { - len = ca = ha = 0; - for (j = 0; j < lsz; j++, p++) { - if (p == q) - return NULL; - len += *p << (j*8); - } - for (j = 0; j < asz; j++, p++) { - if (p == q) - return NULL; - ca += *p << (j*8); + int i, j, asz, lsz, has_ha; + u_int len, ca, ha; + + if (p == q) + return NULL; + + mem->nwin = (*p & 0x07) + 1; + lsz = (*p & 0x18) >> 3; + asz = (*p & 0x60) >> 5; + has_ha = (*p & 0x80); + if (++p == q) + return NULL; + + for (i = 0; i < mem->nwin; i++) { + len = ca = ha = 0; + for (j = 0; j < lsz; j++, p++) { + if (p == q) + return NULL; + len += *p << (j*8); + } + for (j = 0; j < asz; j++, p++) { + if (p == q) + return NULL; + ca += *p << (j*8); + } + if (has_ha) + for (j = 0; j < asz; j++, p++) { + if (p == q) + return NULL; + ha += *p << (j*8); + } + mem->win[i].len = len << 8; + mem->win[i].card_addr = ca << 8; + mem->win[i].host_addr = ha << 8; } - if (has_ha) - for (j = 0; j < asz; j++, p++) { - if (p == q) - return NULL; - ha += *p << (j*8); - } - mem->win[i].len = len << 8; - mem->win[i].card_addr = ca << 8; - mem->win[i].host_addr = ha << 8; - } - return p; + return p; } -/*====================================================================*/ static u_char *parse_irq(u_char *p, u_char *q, cistpl_irq_t *irq) { - if (p == q) - return NULL; - irq->IRQInfo1 = *p; p++; - if (irq->IRQInfo1 & IRQ_INFO2_VALID) { - if (p+2 > q) + if (p == q) return NULL; - irq->IRQInfo2 = (p[1]<<8) + p[0]; - p += 2; - } - return p; + irq->IRQInfo1 = *p; p++; + if (irq->IRQInfo1 & IRQ_INFO2_VALID) { + if (p+2 > q) + return NULL; + irq->IRQInfo2 = (p[1]<<8) + p[0]; + p += 2; + } + return p; } -/*====================================================================*/ static int parse_cftable_entry(tuple_t *tuple, cistpl_cftable_entry_t *entry) { - u_char *p, *q, features; - - p = tuple->TupleData; - q = p + tuple->TupleDataLen; - entry->index = *p & 0x3f; - entry->flags = 0; - if (*p & 0x40) - entry->flags |= CISTPL_CFTABLE_DEFAULT; - if (*p & 0x80) { - if (++p == q) - return -EINVAL; - if (*p & 0x10) - entry->flags |= CISTPL_CFTABLE_BVDS; - if (*p & 0x20) - entry->flags |= CISTPL_CFTABLE_WP; - if (*p & 0x40) - entry->flags |= CISTPL_CFTABLE_RDYBSY; - if (*p & 0x80) - entry->flags |= CISTPL_CFTABLE_MWAIT; - entry->interface = *p & 0x0f; - } else - entry->interface = 0; - - /* Process optional features */ - if (++p == q) - return -EINVAL; - features = *p; p++; - - /* Power options */ - if ((features & 3) > 0) { - p = parse_power(p, q, &entry->vcc); - if (p == NULL) - return -EINVAL; - } else - entry->vcc.present = 0; - if ((features & 3) > 1) { - p = parse_power(p, q, &entry->vpp1); - if (p == NULL) - return -EINVAL; - } else - entry->vpp1.present = 0; - if ((features & 3) > 2) { - p = parse_power(p, q, &entry->vpp2); - if (p == NULL) - return -EINVAL; - } else - entry->vpp2.present = 0; + u_char *p, *q, features; - /* Timing options */ - if (features & 0x04) { - p = parse_timing(p, q, &entry->timing); - if (p == NULL) - return -EINVAL; - } else { - entry->timing.wait = 0; - entry->timing.ready = 0; - entry->timing.reserved = 0; - } - - /* I/O window options */ - if (features & 0x08) { - p = parse_io(p, q, &entry->io); - if (p == NULL) - return -EINVAL; - } else - entry->io.nwin = 0; - - /* Interrupt options */ - if (features & 0x10) { - p = parse_irq(p, q, &entry->irq); - if (p == NULL) - return -EINVAL; - } else - entry->irq.IRQInfo1 = 0; - - switch (features & 0x60) { - case 0x00: - entry->mem.nwin = 0; - break; - case 0x20: - entry->mem.nwin = 1; - entry->mem.win[0].len = get_unaligned_le16(p) << 8; - entry->mem.win[0].card_addr = 0; - entry->mem.win[0].host_addr = 0; - p += 2; - if (p > q) - return -EINVAL; - break; - case 0x40: - entry->mem.nwin = 1; - entry->mem.win[0].len = get_unaligned_le16(p) << 8; - entry->mem.win[0].card_addr = get_unaligned_le16(p + 2) << 8; - entry->mem.win[0].host_addr = 0; - p += 4; - if (p > q) - return -EINVAL; - break; - case 0x60: - p = parse_mem(p, q, &entry->mem); - if (p == NULL) - return -EINVAL; - break; - } + p = tuple->TupleData; + q = p + tuple->TupleDataLen; + entry->index = *p & 0x3f; + entry->flags = 0; + if (*p & 0x40) + entry->flags |= CISTPL_CFTABLE_DEFAULT; + if (*p & 0x80) { + if (++p == q) + return -EINVAL; + if (*p & 0x10) + entry->flags |= CISTPL_CFTABLE_BVDS; + if (*p & 0x20) + entry->flags |= CISTPL_CFTABLE_WP; + if (*p & 0x40) + entry->flags |= CISTPL_CFTABLE_RDYBSY; + if (*p & 0x80) + entry->flags |= CISTPL_CFTABLE_MWAIT; + entry->interface = *p & 0x0f; + } else + entry->interface = 0; - /* Misc features */ - if (features & 0x80) { - if (p == q) + /* Process optional features */ + if (++p == q) return -EINVAL; - entry->flags |= (*p << 8); - while (*p & 0x80) - if (++p == q) - return -EINVAL; - p++; - } - - entry->subtuples = q-p; - - return 0; -} - -/*====================================================================*/ - -#ifdef CONFIG_CARDBUS + features = *p; p++; -static int parse_bar(tuple_t *tuple, cistpl_bar_t *bar) -{ - u_char *p; - if (tuple->TupleDataLen < 6) - return -EINVAL; - p = (u_char *)tuple->TupleData; - bar->attr = *p; - p += 2; - bar->size = get_unaligned_le32(p); - return 0; -} + /* Power options */ + if ((features & 3) > 0) { + p = parse_power(p, q, &entry->vcc); + if (p == NULL) + return -EINVAL; + } else + entry->vcc.present = 0; + if ((features & 3) > 1) { + p = parse_power(p, q, &entry->vpp1); + if (p == NULL) + return -EINVAL; + } else + entry->vpp1.present = 0; + if ((features & 3) > 2) { + p = parse_power(p, q, &entry->vpp2); + if (p == NULL) + return -EINVAL; + } else + entry->vpp2.present = 0; -static int parse_config_cb(tuple_t *tuple, cistpl_config_t *config) -{ - u_char *p; - - p = (u_char *)tuple->TupleData; - if ((*p != 3) || (tuple->TupleDataLen < 6)) - return -EINVAL; - config->last_idx = *(++p); - p++; - config->base = get_unaligned_le32(p); - config->subtuples = tuple->TupleDataLen - 6; - return 0; -} + /* Timing options */ + if (features & 0x04) { + p = parse_timing(p, q, &entry->timing); + if (p == NULL) + return -EINVAL; + } else { + entry->timing.wait = 0; + entry->timing.ready = 0; + entry->timing.reserved = 0; + } -static int parse_cftable_entry_cb(tuple_t *tuple, - cistpl_cftable_entry_cb_t *entry) -{ - u_char *p, *q, features; - - p = tuple->TupleData; - q = p + tuple->TupleDataLen; - entry->index = *p & 0x3f; - entry->flags = 0; - if (*p & 0x40) - entry->flags |= CISTPL_CFTABLE_DEFAULT; - - /* Process optional features */ - if (++p == q) - return -EINVAL; - features = *p; p++; - - /* Power options */ - if ((features & 3) > 0) { - p = parse_power(p, q, &entry->vcc); - if (p == NULL) - return -EINVAL; - } else - entry->vcc.present = 0; - if ((features & 3) > 1) { - p = parse_power(p, q, &entry->vpp1); - if (p == NULL) - return -EINVAL; - } else - entry->vpp1.present = 0; - if ((features & 3) > 2) { - p = parse_power(p, q, &entry->vpp2); - if (p == NULL) - return -EINVAL; - } else - entry->vpp2.present = 0; + /* I/O window options */ + if (features & 0x08) { + p = parse_io(p, q, &entry->io); + if (p == NULL) + return -EINVAL; + } else + entry->io.nwin = 0; - /* I/O window options */ - if (features & 0x08) { - if (p == q) - return -EINVAL; - entry->io = *p; p++; - } else - entry->io = 0; - - /* Interrupt options */ - if (features & 0x10) { - p = parse_irq(p, q, &entry->irq); - if (p == NULL) - return -EINVAL; - } else - entry->irq.IRQInfo1 = 0; + /* Interrupt options */ + if (features & 0x10) { + p = parse_irq(p, q, &entry->irq); + if (p == NULL) + return -EINVAL; + } else + entry->irq.IRQInfo1 = 0; - if (features & 0x20) { - if (p == q) - return -EINVAL; - entry->mem = *p; p++; - } else - entry->mem = 0; + switch (features & 0x60) { + case 0x00: + entry->mem.nwin = 0; + break; + case 0x20: + entry->mem.nwin = 1; + entry->mem.win[0].len = get_unaligned_le16(p) << 8; + entry->mem.win[0].card_addr = 0; + entry->mem.win[0].host_addr = 0; + p += 2; + if (p > q) + return -EINVAL; + break; + case 0x40: + entry->mem.nwin = 1; + entry->mem.win[0].len = get_unaligned_le16(p) << 8; + entry->mem.win[0].card_addr = get_unaligned_le16(p + 2) << 8; + entry->mem.win[0].host_addr = 0; + p += 4; + if (p > q) + return -EINVAL; + break; + case 0x60: + p = parse_mem(p, q, &entry->mem); + if (p == NULL) + return -EINVAL; + break; + } - /* Misc features */ - if (features & 0x80) { - if (p == q) - return -EINVAL; - entry->flags |= (*p << 8); - if (*p & 0x80) { - if (++p == q) - return -EINVAL; - entry->flags |= (*p << 16); + /* Misc features */ + if (features & 0x80) { + if (p == q) + return -EINVAL; + entry->flags |= (*p << 8); + while (*p & 0x80) + if (++p == q) + return -EINVAL; + p++; } - while (*p & 0x80) - if (++p == q) - return -EINVAL; - p++; - } - entry->subtuples = q-p; + entry->subtuples = q-p; - return 0; + return 0; } -#endif - -/*====================================================================*/ static int parse_device_geo(tuple_t *tuple, cistpl_device_geo_t *geo) { - u_char *p, *q; - int n; + u_char *p, *q; + int n; - p = (u_char *)tuple->TupleData; - q = p + tuple->TupleDataLen; + p = (u_char *)tuple->TupleData; + q = p + tuple->TupleDataLen; - for (n = 0; n < CISTPL_MAX_DEVICES; n++) { - if (p > q-6) - break; - geo->geo[n].buswidth = p[0]; - geo->geo[n].erase_block = 1 << (p[1]-1); - geo->geo[n].read_block = 1 << (p[2]-1); - geo->geo[n].write_block = 1 << (p[3]-1); - geo->geo[n].partition = 1 << (p[4]-1); - geo->geo[n].interleave = 1 << (p[5]-1); - p += 6; - } - geo->ngeo = n; - return 0; + for (n = 0; n < CISTPL_MAX_DEVICES; n++) { + if (p > q-6) + break; + geo->geo[n].buswidth = p[0]; + geo->geo[n].erase_block = 1 << (p[1]-1); + geo->geo[n].read_block = 1 << (p[2]-1); + geo->geo[n].write_block = 1 << (p[3]-1); + geo->geo[n].partition = 1 << (p[4]-1); + geo->geo[n].interleave = 1 << (p[5]-1); + p += 6; + } + geo->ngeo = n; + return 0; } -/*====================================================================*/ static int parse_vers_2(tuple_t *tuple, cistpl_vers_2_t *v2) { - u_char *p, *q; - - if (tuple->TupleDataLen < 10) - return -EINVAL; - - p = tuple->TupleData; - q = p + tuple->TupleDataLen; - - v2->vers = p[0]; - v2->comply = p[1]; - v2->dindex = get_unaligned_le16(p + 2); - v2->vspec8 = p[6]; - v2->vspec9 = p[7]; - v2->nhdr = p[8]; - p += 9; - return parse_strings(p, q, 2, v2->str, &v2->vendor, NULL); + u_char *p, *q; + + if (tuple->TupleDataLen < 10) + return -EINVAL; + + p = tuple->TupleData; + q = p + tuple->TupleDataLen; + + v2->vers = p[0]; + v2->comply = p[1]; + v2->dindex = get_unaligned_le16(p + 2); + v2->vspec8 = p[6]; + v2->vspec9 = p[7]; + v2->nhdr = p[8]; + p += 9; + return parse_strings(p, q, 2, v2->str, &v2->vendor, NULL); } -/*====================================================================*/ static int parse_org(tuple_t *tuple, cistpl_org_t *org) { - u_char *p, *q; - int i; - - p = tuple->TupleData; - q = p + tuple->TupleDataLen; - if (p == q) - return -EINVAL; - org->data_org = *p; - if (++p == q) - return -EINVAL; - for (i = 0; i < 30; i++) { - org->desc[i] = *p; - if (*p == '\0') - break; + u_char *p, *q; + int i; + + p = tuple->TupleData; + q = p + tuple->TupleDataLen; + if (p == q) + return -EINVAL; + org->data_org = *p; if (++p == q) return -EINVAL; - } - return 0; + for (i = 0; i < 30; i++) { + org->desc[i] = *p; + if (*p == '\0') + break; + if (++p == q) + return -EINVAL; + } + return 0; } -/*====================================================================*/ static int parse_format(tuple_t *tuple, cistpl_format_t *fmt) { - u_char *p; + u_char *p; - if (tuple->TupleDataLen < 10) - return -EINVAL; + if (tuple->TupleDataLen < 10) + return -EINVAL; - p = tuple->TupleData; + p = tuple->TupleData; - fmt->type = p[0]; - fmt->edc = p[1]; - fmt->offset = get_unaligned_le32(p + 2); - fmt->length = get_unaligned_le32(p + 6); + fmt->type = p[0]; + fmt->edc = p[1]; + fmt->offset = get_unaligned_le32(p + 2); + fmt->length = get_unaligned_le32(p + 6); - return 0; + return 0; } -/*====================================================================*/ int pcmcia_parse_tuple(tuple_t *tuple, cisparse_t *parse) { - int ret = 0; - - if (tuple->TupleDataLen > tuple->TupleDataMax) - return -EINVAL; - switch (tuple->TupleCode) { - case CISTPL_DEVICE: - case CISTPL_DEVICE_A: - ret = parse_device(tuple, &parse->device); - break; -#ifdef CONFIG_CARDBUS - case CISTPL_BAR: - ret = parse_bar(tuple, &parse->bar); - break; - case CISTPL_CONFIG_CB: - ret = parse_config_cb(tuple, &parse->config); - break; - case CISTPL_CFTABLE_ENTRY_CB: - ret = parse_cftable_entry_cb(tuple, &parse->cftable_entry_cb); - break; -#endif - case CISTPL_CHECKSUM: - ret = parse_checksum(tuple, &parse->checksum); - break; - case CISTPL_LONGLINK_A: - case CISTPL_LONGLINK_C: - ret = parse_longlink(tuple, &parse->longlink); - break; - case CISTPL_LONGLINK_MFC: - ret = parse_longlink_mfc(tuple, &parse->longlink_mfc); - break; - case CISTPL_VERS_1: - ret = parse_vers_1(tuple, &parse->version_1); - break; - case CISTPL_ALTSTR: - ret = parse_altstr(tuple, &parse->altstr); - break; - case CISTPL_JEDEC_A: - case CISTPL_JEDEC_C: - ret = parse_jedec(tuple, &parse->jedec); - break; - case CISTPL_MANFID: - ret = parse_manfid(tuple, &parse->manfid); - break; - case CISTPL_FUNCID: - ret = parse_funcid(tuple, &parse->funcid); - break; - case CISTPL_FUNCE: - ret = parse_funce(tuple, &parse->funce); - break; - case CISTPL_CONFIG: - ret = parse_config(tuple, &parse->config); - break; - case CISTPL_CFTABLE_ENTRY: - ret = parse_cftable_entry(tuple, &parse->cftable_entry); - break; - case CISTPL_DEVICE_GEO: - case CISTPL_DEVICE_GEO_A: - ret = parse_device_geo(tuple, &parse->device_geo); - break; - case CISTPL_VERS_2: - ret = parse_vers_2(tuple, &parse->vers_2); - break; - case CISTPL_ORG: - ret = parse_org(tuple, &parse->org); - break; - case CISTPL_FORMAT: - case CISTPL_FORMAT_A: - ret = parse_format(tuple, &parse->format); - break; - case CISTPL_NO_LINK: - case CISTPL_LINKTARGET: - ret = 0; - break; - default: - ret = -EINVAL; - break; - } - if (ret) - pr_debug("parse_tuple failed %d\n", ret); - return ret; + int ret = 0; + + if (tuple->TupleDataLen > tuple->TupleDataMax) + return -EINVAL; + switch (tuple->TupleCode) { + case CISTPL_DEVICE: + case CISTPL_DEVICE_A: + ret = parse_device(tuple, &parse->device); + break; + case CISTPL_CHECKSUM: + ret = parse_checksum(tuple, &parse->checksum); + break; + case CISTPL_LONGLINK_A: + case CISTPL_LONGLINK_C: + ret = parse_longlink(tuple, &parse->longlink); + break; + case CISTPL_LONGLINK_MFC: + ret = parse_longlink_mfc(tuple, &parse->longlink_mfc); + break; + case CISTPL_VERS_1: + ret = parse_vers_1(tuple, &parse->version_1); + break; + case CISTPL_ALTSTR: + ret = parse_altstr(tuple, &parse->altstr); + break; + case CISTPL_JEDEC_A: + case CISTPL_JEDEC_C: + ret = parse_jedec(tuple, &parse->jedec); + break; + case CISTPL_MANFID: + ret = parse_manfid(tuple, &parse->manfid); + break; + case CISTPL_FUNCID: + ret = parse_funcid(tuple, &parse->funcid); + break; + case CISTPL_FUNCE: + ret = parse_funce(tuple, &parse->funce); + break; + case CISTPL_CONFIG: + ret = parse_config(tuple, &parse->config); + break; + case CISTPL_CFTABLE_ENTRY: + ret = parse_cftable_entry(tuple, &parse->cftable_entry); + break; + case CISTPL_DEVICE_GEO: + case CISTPL_DEVICE_GEO_A: + ret = parse_device_geo(tuple, &parse->device_geo); + break; + case CISTPL_VERS_2: + ret = parse_vers_2(tuple, &parse->vers_2); + break; + case CISTPL_ORG: + ret = parse_org(tuple, &parse->org); + break; + case CISTPL_FORMAT: + case CISTPL_FORMAT_A: + ret = parse_format(tuple, &parse->format); + break; + case CISTPL_NO_LINK: + case CISTPL_LINKTARGET: + ret = 0; + break; + default: + ret = -EINVAL; + break; + } + if (ret) + pr_debug("parse_tuple failed %d\n", ret); + return ret; } EXPORT_SYMBOL(pcmcia_parse_tuple); -/*====================================================================== - This is used internally by Card Services to look up CIS stuff. +/** + * pccard_validate_cis() - check whether card has a sensible CIS + * @s: the struct pcmcia_socket we are to check + * @info: returns the number of tuples in the (valid) CIS, or 0 + * + * This tries to determine if a card has a sensible CIS. In @info, it + * returns the number of tuples in the CIS, or 0 if the CIS looks bad. The + * checks include making sure several critical tuples are present and + * valid; seeing if the total number of tuples is reasonable; and + * looking for tuples that use reserved codes. + * + * The function returns 0 on success. + */ +int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *info) +{ + tuple_t *tuple; + cisparse_t *p; + unsigned int count = 0; + int ret, reserved, dev_ok = 0, ident_ok = 0; -======================================================================*/ + if (!s) + return -EINVAL; + + if (s->functions) { + WARN_ON(1); + return -EINVAL; + } + + /* We do not want to validate the CIS cache... */ + mutex_lock(&s->ops_mutex); + destroy_cis_cache(s); + mutex_unlock(&s->ops_mutex); + + tuple = kmalloc(sizeof(*tuple), GFP_KERNEL); + if (tuple == NULL) { + dev_warn(&s->dev, "no memory to validate CIS\n"); + return -ENOMEM; + } + p = kmalloc(sizeof(*p), GFP_KERNEL); + if (p == NULL) { + kfree(tuple); + dev_warn(&s->dev, "no memory to validate CIS\n"); + return -ENOMEM; + } + + count = reserved = 0; + tuple->DesiredTuple = RETURN_FIRST_TUPLE; + tuple->Attributes = TUPLE_RETURN_COMMON; + ret = pccard_get_first_tuple(s, BIND_FN_ALL, tuple); + if (ret != 0) + goto done; + + /* First tuple should be DEVICE; we should really have either that + or a CFTABLE_ENTRY of some sort */ + if ((tuple->TupleCode == CISTPL_DEVICE) || + (!pccard_read_tuple(s, BIND_FN_ALL, CISTPL_CFTABLE_ENTRY, p)) || + (!pccard_read_tuple(s, BIND_FN_ALL, CISTPL_CFTABLE_ENTRY_CB, p))) + dev_ok++; + + /* All cards should have a MANFID tuple, and/or a VERS_1 or VERS_2 + tuple, for card identification. Certain old D-Link and Linksys + cards have only a broken VERS_2 tuple; hence the bogus test. */ + if ((pccard_read_tuple(s, BIND_FN_ALL, CISTPL_MANFID, p) == 0) || + (pccard_read_tuple(s, BIND_FN_ALL, CISTPL_VERS_1, p) == 0) || + (pccard_read_tuple(s, BIND_FN_ALL, CISTPL_VERS_2, p) != -ENOSPC)) + ident_ok++; + + if (!dev_ok && !ident_ok) + goto done; + + for (count = 1; count < MAX_TUPLES; count++) { + ret = pccard_get_next_tuple(s, BIND_FN_ALL, tuple); + if (ret != 0) + break; + if (((tuple->TupleCode > 0x23) && (tuple->TupleCode < 0x40)) || + ((tuple->TupleCode > 0x47) && (tuple->TupleCode < 0x80)) || + ((tuple->TupleCode > 0x90) && (tuple->TupleCode < 0xff))) + reserved++; + } + if ((count == MAX_TUPLES) || (reserved > 5) || + ((!dev_ok || !ident_ok) && (count > 10))) + count = 0; + + ret = 0; -int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, cisdata_t code, void *parse) -{ - tuple_t tuple; - cisdata_t *buf; - int ret; - - buf = kmalloc(256, GFP_KERNEL); - if (buf == NULL) { - dev_printk(KERN_WARNING, &s->dev, "no memory to read tuple\n"); - return -ENOMEM; - } - tuple.DesiredTuple = code; - tuple.Attributes = 0; - if (function == BIND_FN_ALL) - tuple.Attributes = TUPLE_RETURN_COMMON; - ret = pccard_get_first_tuple(s, function, &tuple); - if (ret != 0) - goto done; - tuple.TupleData = buf; - tuple.TupleOffset = 0; - tuple.TupleDataMax = 255; - ret = pccard_get_tuple_data(s, &tuple); - if (ret != 0) - goto done; - ret = pcmcia_parse_tuple(&tuple, parse); done: - kfree(buf); - return ret; + /* invalidate CIS cache on failure */ + if (!dev_ok || !ident_ok || !count) { + mutex_lock(&s->ops_mutex); + destroy_cis_cache(s); + mutex_unlock(&s->ops_mutex); + ret = -EIO; + } + + if (info) + *info = count; + kfree(tuple); + kfree(p); + return ret; } -EXPORT_SYMBOL(pccard_read_tuple); -/** - * pccard_loop_tuple() - loop over tuples in the CIS - * @s: the struct pcmcia_socket where the card is inserted - * @function: the device function we loop for - * @code: which CIS code shall we look for? - * @parse: buffer where the tuple shall be parsed (or NULL, if no parse) - * @priv_data: private data to be passed to the loop_tuple function. - * @loop_tuple: function to call for each CIS entry of type @function. IT - * gets passed the raw tuple, the paresed tuple (if @parse is - * set) and @priv_data. - * - * pccard_loop_tuple() loops over all CIS entries of type @function, and - * calls the @loop_tuple function for each entry. If the call to @loop_tuple - * returns 0, the loop exits. Returns 0 on success or errorcode otherwise. - */ -int pccard_loop_tuple(struct pcmcia_socket *s, unsigned int function, - cisdata_t code, cisparse_t *parse, void *priv_data, - int (*loop_tuple) (tuple_t *tuple, - cisparse_t *parse, - void *priv_data)) +#define to_socket(_dev) container_of(_dev, struct pcmcia_socket, dev) + +static ssize_t pccard_extract_cis(struct pcmcia_socket *s, char *buf, + loff_t off, size_t count) { tuple_t tuple; - cisdata_t *buf; - int ret; - - buf = kzalloc(256, GFP_KERNEL); - if (buf == NULL) { - dev_printk(KERN_WARNING, &s->dev, "no memory to read tuple\n"); + int status, i; + loff_t pointer = 0; + ssize_t ret = 0; + u_char *tuplebuffer; + u_char *tempbuffer; + + tuplebuffer = kmalloc(sizeof(u_char) * 256, GFP_KERNEL); + if (!tuplebuffer) return -ENOMEM; + + tempbuffer = kmalloc(sizeof(u_char) * 258, GFP_KERNEL); + if (!tempbuffer) { + ret = -ENOMEM; + goto free_tuple; } - tuple.TupleData = buf; - tuple.TupleDataMax = 255; + memset(&tuple, 0, sizeof(tuple_t)); + + tuple.Attributes = TUPLE_RETURN_LINK | TUPLE_RETURN_COMMON; + tuple.DesiredTuple = RETURN_FIRST_TUPLE; tuple.TupleOffset = 0; - tuple.DesiredTuple = code; - tuple.Attributes = 0; - ret = pccard_get_first_tuple(s, function, &tuple); - while (!ret) { - if (pccard_get_tuple_data(s, &tuple)) - goto next_entry; + status = pccard_get_first_tuple(s, BIND_FN_ALL, &tuple); + while (!status) { + tuple.TupleData = tuplebuffer; + tuple.TupleDataMax = 255; + memset(tuplebuffer, 0, sizeof(u_char) * 255); + + status = pccard_get_tuple_data(s, &tuple); + if (status) + break; + + if (off < (pointer + 2 + tuple.TupleDataLen)) { + tempbuffer[0] = tuple.TupleCode & 0xff; + tempbuffer[1] = tuple.TupleLink & 0xff; + for (i = 0; i < tuple.TupleDataLen; i++) + tempbuffer[i + 2] = tuplebuffer[i] & 0xff; + + for (i = 0; i < (2 + tuple.TupleDataLen); i++) { + if (((i + pointer) >= off) && + (i + pointer) < (off + count)) { + buf[ret] = tempbuffer[i]; + ret++; + } + } + } - if (parse) - if (pcmcia_parse_tuple(&tuple, parse)) - goto next_entry; + pointer += 2 + tuple.TupleDataLen; - ret = loop_tuple(&tuple, parse, priv_data); - if (!ret) + if (pointer >= (off + count)) break; -next_entry: - ret = pccard_get_next_tuple(s, function, &tuple); + if (tuple.TupleCode == CISTPL_END) + break; + status = pccard_get_next_tuple(s, BIND_FN_ALL, &tuple); } - kfree(buf); + kfree(tempbuffer); + free_tuple: + kfree(tuplebuffer); + return ret; } -EXPORT_SYMBOL(pccard_loop_tuple); -/*====================================================================== +static ssize_t pccard_show_cis(struct file *filp, struct kobject *kobj, + struct bin_attribute *bin_attr, + char *buf, loff_t off, size_t count) +{ + unsigned int size = 0x200; - This tries to determine if a card has a sensible CIS. It returns - the number of tuples in the CIS, or 0 if the CIS looks bad. The - checks include making sure several critical tuples are present and - valid; seeing if the total number of tuples is reasonable; and - looking for tuples that use reserved codes. + if (off >= size) + count = 0; + else { + struct pcmcia_socket *s; + unsigned int chains = 1; -======================================================================*/ + if (off + count > size) + count = size - off; -int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *info) + s = to_socket(container_of(kobj, struct device, kobj)); + + if (!(s->state & SOCKET_PRESENT)) + return -ENODEV; + if (!s->functions && pccard_validate_cis(s, &chains)) + return -EIO; + if (!chains) + return -ENODATA; + + count = pccard_extract_cis(s, buf, off, count); + } + + return count; +} + + +static ssize_t pccard_store_cis(struct file *filp, struct kobject *kobj, + struct bin_attribute *bin_attr, + char *buf, loff_t off, size_t count) { - tuple_t *tuple; - cisparse_t *p; - unsigned int count = 0; - int ret, reserved, dev_ok = 0, ident_ok = 0; - - if (!s) - return -EINVAL; - - tuple = kmalloc(sizeof(*tuple), GFP_KERNEL); - if (tuple == NULL) { - dev_printk(KERN_WARNING, &s->dev, "no memory to validate CIS\n"); - return -ENOMEM; - } - p = kmalloc(sizeof(*p), GFP_KERNEL); - if (p == NULL) { - kfree(tuple); - dev_printk(KERN_WARNING, &s->dev, "no memory to validate CIS\n"); - return -ENOMEM; - } - - count = reserved = 0; - tuple->DesiredTuple = RETURN_FIRST_TUPLE; - tuple->Attributes = TUPLE_RETURN_COMMON; - ret = pccard_get_first_tuple(s, BIND_FN_ALL, tuple); - if (ret != 0) - goto done; - - /* First tuple should be DEVICE; we should really have either that - or a CFTABLE_ENTRY of some sort */ - if ((tuple->TupleCode == CISTPL_DEVICE) || - (pccard_read_tuple(s, BIND_FN_ALL, CISTPL_CFTABLE_ENTRY, p) == 0) || - (pccard_read_tuple(s, BIND_FN_ALL, CISTPL_CFTABLE_ENTRY_CB, p) == 0)) - dev_ok++; - - /* All cards should have a MANFID tuple, and/or a VERS_1 or VERS_2 - tuple, for card identification. Certain old D-Link and Linksys - cards have only a broken VERS_2 tuple; hence the bogus test. */ - if ((pccard_read_tuple(s, BIND_FN_ALL, CISTPL_MANFID, p) == 0) || - (pccard_read_tuple(s, BIND_FN_ALL, CISTPL_VERS_1, p) == 0) || - (pccard_read_tuple(s, BIND_FN_ALL, CISTPL_VERS_2, p) != -ENOSPC)) - ident_ok++; - - if (!dev_ok && !ident_ok) - goto done; - - for (count = 1; count < MAX_TUPLES; count++) { - ret = pccard_get_next_tuple(s, BIND_FN_ALL, tuple); - if (ret != 0) - break; - if (((tuple->TupleCode > 0x23) && (tuple->TupleCode < 0x40)) || - ((tuple->TupleCode > 0x47) && (tuple->TupleCode < 0x80)) || - ((tuple->TupleCode > 0x90) && (tuple->TupleCode < 0xff))) - reserved++; - } - if ((count == MAX_TUPLES) || (reserved > 5) || - ((!dev_ok || !ident_ok) && (count > 10))) - count = 0; + struct pcmcia_socket *s; + int error; -done: - if (info) - *info = count; - kfree(tuple); - kfree(p); - return 0; + s = to_socket(container_of(kobj, struct device, kobj)); + + if (off) + return -EINVAL; + + if (count >= CISTPL_MAX_CIS_SIZE) + return -EINVAL; + + if (!(s->state & SOCKET_PRESENT)) + return -ENODEV; + + error = pcmcia_replace_cis(s, buf, count); + if (error) + return -EIO; + + pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY); + + return count; } -EXPORT_SYMBOL(pccard_validate_cis); + + +struct bin_attribute pccard_cis_attr = { + .attr = { .name = "cis", .mode = S_IRUGO | S_IWUSR }, + .size = 0x200, + .read = pccard_show_cis, + .write = pccard_store_cis, +}; diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c index 6d6f82b38a6..5292db69c42 100644 --- a/drivers/pcmcia/cs.c +++ b/drivers/pcmcia/cs.c @@ -29,12 +29,9 @@ #include <linux/device.h> #include <linux/kthread.h> #include <linux/freezer.h> -#include <asm/system.h> #include <asm/irq.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include <pcmcia/cisreg.h> #include <pcmcia/ds.h> @@ -76,83 +73,18 @@ DECLARE_RWSEM(pcmcia_socket_list_rwsem); EXPORT_SYMBOL(pcmcia_socket_list_rwsem); -/* - * Low-level PCMCIA socket drivers need to register with the PCCard - * core using pcmcia_register_socket. - * - * socket drivers are expected to use the following callbacks in their - * .drv struct: - * - pcmcia_socket_dev_suspend - * - pcmcia_socket_dev_resume - * These functions check for the appropriate struct pcmcia_soket arrays, - * and pass them to the low-level functions pcmcia_{suspend,resume}_socket - */ -static int socket_early_resume(struct pcmcia_socket *skt); -static int socket_late_resume(struct pcmcia_socket *skt); -static int socket_resume(struct pcmcia_socket *skt); -static int socket_suspend(struct pcmcia_socket *skt); - -static void pcmcia_socket_dev_run(struct device *dev, - int (*cb)(struct pcmcia_socket *)) -{ - struct pcmcia_socket *socket; - - down_read(&pcmcia_socket_list_rwsem); - list_for_each_entry(socket, &pcmcia_socket_list, socket_list) { - if (socket->dev.parent != dev) - continue; - mutex_lock(&socket->skt_mutex); - cb(socket); - mutex_unlock(&socket->skt_mutex); - } - up_read(&pcmcia_socket_list_rwsem); -} - -int pcmcia_socket_dev_suspend(struct device *dev) -{ - pcmcia_socket_dev_run(dev, socket_suspend); - return 0; -} -EXPORT_SYMBOL(pcmcia_socket_dev_suspend); - -void pcmcia_socket_dev_early_resume(struct device *dev) -{ - pcmcia_socket_dev_run(dev, socket_early_resume); -} -EXPORT_SYMBOL(pcmcia_socket_dev_early_resume); - -void pcmcia_socket_dev_late_resume(struct device *dev) -{ - pcmcia_socket_dev_run(dev, socket_late_resume); -} -EXPORT_SYMBOL(pcmcia_socket_dev_late_resume); - -int pcmcia_socket_dev_resume(struct device *dev) -{ - pcmcia_socket_dev_run(dev, socket_resume); - return 0; -} -EXPORT_SYMBOL(pcmcia_socket_dev_resume); - - struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt) { struct device *dev = get_device(&skt->dev); if (!dev) return NULL; - skt = dev_get_drvdata(dev); - if (!try_module_get(skt->owner)) { - put_device(&skt->dev); - return NULL; - } - return skt; + return dev_get_drvdata(dev); } EXPORT_SYMBOL(pcmcia_get_socket); void pcmcia_put_socket(struct pcmcia_socket *skt) { - module_put(skt->owner); put_device(&skt->dev); } EXPORT_SYMBOL(pcmcia_put_socket); @@ -181,8 +113,6 @@ int pcmcia_register_socket(struct pcmcia_socket *socket) dev_dbg(&socket->dev, "pcmcia_register_socket(0x%p)\n", socket->ops); - spin_lock_init(&socket->lock); - /* try to obtain a socket number [yes, it gets ugly if we * register more than 2^sizeof(unsigned int) pcmcia * sockets... but the socket number is deprecated @@ -228,10 +158,13 @@ int pcmcia_register_socket(struct pcmcia_socket *socket) init_completion(&socket->socket_released); init_completion(&socket->thread_done); mutex_init(&socket->skt_mutex); + mutex_init(&socket->ops_mutex); spin_lock_init(&socket->thread_lock); if (socket->resource_ops->init) { + mutex_lock(&socket->ops_mutex); ret = socket->resource_ops->init(socket); + mutex_unlock(&socket->ops_mutex); if (ret) goto err; } @@ -283,15 +216,17 @@ void pcmcia_unregister_socket(struct pcmcia_socket *socket) if (socket->thread) kthread_stop(socket->thread); - release_cis_mem(socket); - /* remove from our own list */ down_write(&pcmcia_socket_list_rwsem); list_del(&socket->socket_list); up_write(&pcmcia_socket_list_rwsem); /* wait for sysfs to drop all references */ - release_resource_db(socket); + if (socket->resource_ops->exit) { + mutex_lock(&socket->ops_mutex); + socket->resource_ops->exit(socket); + mutex_unlock(&socket->ops_mutex); + } wait_for_completion(&socket->socket_released); } /* pcmcia_unregister_socket */ EXPORT_SYMBOL(pcmcia_unregister_socket); @@ -314,45 +249,6 @@ struct pcmcia_socket *pcmcia_get_socket_by_nr(unsigned int nr) } EXPORT_SYMBOL(pcmcia_get_socket_by_nr); -/* - * The central event handler. Send_event() sends an event to the - * 16-bit subsystem, which then calls the relevant device drivers. - * Parse_events() interprets the event bits from - * a card status change report. Do_shutdown() handles the high - * priority stuff associated with a card removal. - */ - -/* NOTE: send_event needs to be called with skt->sem held. */ - -static int send_event(struct pcmcia_socket *s, event_t event, int priority) -{ - int ret; - - if (s->state & SOCKET_CARDBUS) - return 0; - - dev_dbg(&s->dev, "send_event(event %d, pri %d, callback 0x%p)\n", - event, priority, s->callback); - - if (!s->callback) - return 0; - if (!try_module_get(s->callback->owner)) - return 0; - - ret = s->callback->event(s, event, priority); - - module_put(s->callback->owner); - - return ret; -} - -static void socket_remove_drivers(struct pcmcia_socket *skt) -{ - dev_dbg(&skt->dev, "remove_drivers\n"); - - send_event(skt, CS_EVENT_CARD_REMOVAL, CS_EVENT_PRI_HIGH); -} - static int socket_reset(struct pcmcia_socket *skt) { int status, i; @@ -395,7 +291,10 @@ static void socket_shutdown(struct pcmcia_socket *s) dev_dbg(&s->dev, "shutdown\n"); - socket_remove_drivers(s); + if (s->callback) + s->callback->remove(s); + + mutex_lock(&s->ops_mutex); s->state &= SOCKET_INUSE | SOCKET_PRESENT; msleep(shutdown_delay * 10); s->state &= SOCKET_INUSE; @@ -404,13 +303,22 @@ static void socket_shutdown(struct pcmcia_socket *s) s->socket = dead_socket; s->ops->init(s); s->ops->set_socket(s, &s->socket); - s->irq.AssignedIRQ = s->irq.Config = 0; s->lock_count = 0; - destroy_cis_cache(s); + kfree(s->fake_cis); + s->fake_cis = NULL; + s->functions = 0; + + /* From here on we can be sure that only we (that is, the + * pccardd thread) accesses this socket, and all (16-bit) + * PCMCIA interactions are gone. Therefore, release + * ops_mutex so that we don't get a sysfs-related lockdep + * warning. + */ + mutex_unlock(&s->ops_mutex); + #ifdef CONFIG_CARDBUS cb_free(s); #endif - s->functions = 0; /* give socket some time to power down */ msleep(100); @@ -421,7 +329,7 @@ static void socket_shutdown(struct pcmcia_socket *s) "*** DANGER *** unable to remove socket power\n"); } - cs_socket_put(s); + s->state &= ~SOCKET_INUSE; } static int socket_setup(struct pcmcia_socket *skt, int initial_delay) @@ -460,7 +368,8 @@ static int socket_setup(struct pcmcia_socket *skt, int initial_delay) return -EINVAL; } skt->state |= SOCKET_CARDBUS; - } + } else + skt->state &= ~SOCKET_CARDBUS; /* * Decode the card voltage requirements, and apply power to the card. @@ -509,8 +418,12 @@ static int socket_insert(struct pcmcia_socket *skt) dev_dbg(&skt->dev, "insert\n"); - if (!cs_socket_get(skt)) - return -ENODEV; + mutex_lock(&skt->ops_mutex); + if (skt->state & SOCKET_INUSE) { + mutex_unlock(&skt->ops_mutex); + return -EINVAL; + } + skt->state |= SOCKET_INUSE; ret = socket_setup(skt, setup_delay); if (ret == 0) { @@ -528,9 +441,12 @@ static int socket_insert(struct pcmcia_socket *skt) } #endif dev_dbg(&skt->dev, "insert done\n"); + mutex_unlock(&skt->ops_mutex); - send_event(skt, CS_EVENT_CARD_INSERTION, CS_EVENT_PRI_LOW); + if (!(skt->state & SOCKET_CARDBUS) && (skt->callback)) + skt->callback->add(skt); } else { + mutex_unlock(&skt->ops_mutex); socket_shutdown(skt); } @@ -542,59 +458,84 @@ static int socket_suspend(struct pcmcia_socket *skt) if (skt->state & SOCKET_SUSPEND) return -EBUSY; - send_event(skt, CS_EVENT_PM_SUSPEND, CS_EVENT_PRI_LOW); + mutex_lock(&skt->ops_mutex); + skt->suspended_state = skt->state; + skt->socket = dead_socket; skt->ops->set_socket(skt, &skt->socket); if (skt->ops->suspend) skt->ops->suspend(skt); skt->state |= SOCKET_SUSPEND; - + mutex_unlock(&skt->ops_mutex); return 0; } static int socket_early_resume(struct pcmcia_socket *skt) { + mutex_lock(&skt->ops_mutex); skt->socket = dead_socket; skt->ops->init(skt); skt->ops->set_socket(skt, &skt->socket); if (skt->state & SOCKET_PRESENT) skt->resume_status = socket_setup(skt, resume_delay); + mutex_unlock(&skt->ops_mutex); return 0; } static int socket_late_resume(struct pcmcia_socket *skt) { + int ret = 0; + + mutex_lock(&skt->ops_mutex); + skt->state &= ~SOCKET_SUSPEND; + mutex_unlock(&skt->ops_mutex); + if (!(skt->state & SOCKET_PRESENT)) { - skt->state &= ~SOCKET_SUSPEND; - return socket_insert(skt); + ret = socket_insert(skt); + if (ret == -ENODEV) + ret = 0; + return ret; } - if (skt->resume_status == 0) { - /* - * FIXME: need a better check here for cardbus cards. - */ - if (verify_cis_cache(skt) != 0) { - dev_dbg(&skt->dev, "cis mismatch - different card\n"); - socket_remove_drivers(skt); - destroy_cis_cache(skt); - /* - * Workaround: give DS time to schedule removal. - * Remove me once the 100ms delay is eliminated - * in ds.c - */ - msleep(200); - send_event(skt, CS_EVENT_CARD_INSERTION, CS_EVENT_PRI_LOW); - } else { - dev_dbg(&skt->dev, "cis matches cache\n"); - send_event(skt, CS_EVENT_PM_RESUME, CS_EVENT_PRI_LOW); - } - } else { + if (skt->resume_status) { socket_shutdown(skt); + return 0; } - skt->state &= ~SOCKET_SUSPEND; + if (skt->suspended_state != skt->state) { + dev_dbg(&skt->dev, + "suspend state 0x%x != resume state 0x%x\n", + skt->suspended_state, skt->state); - return 0; + socket_shutdown(skt); + return socket_insert(skt); + } + + if (!(skt->state & SOCKET_CARDBUS) && (skt->callback)) + ret = skt->callback->early_resume(skt); + return ret; +} + +/* + * Finalize the resume. In case of a cardbus socket, we have + * to rebind the devices as we can't be certain that it has been + * replaced, or not. + */ +static int socket_complete_resume(struct pcmcia_socket *skt) +{ + int ret = 0; +#ifdef CONFIG_CARDBUS + if (skt->state & SOCKET_CARDBUS) { + /* We can't be sure the CardBus card is the same + * as the one previously inserted. Therefore, remove + * and re-add... */ + cb_free(skt); + ret = cb_alloc(skt); + if (ret) + cb_free(skt); + } +#endif + return ret; } /* @@ -604,11 +545,15 @@ static int socket_late_resume(struct pcmcia_socket *skt) */ static int socket_resume(struct pcmcia_socket *skt) { + int err; if (!(skt->state & SOCKET_SUSPEND)) return -EBUSY; socket_early_resume(skt); - return socket_late_resume(skt); + err = socket_late_resume(skt); + if (!err) + err = socket_complete_resume(skt); + return err; } static void socket_remove(struct pcmcia_socket *skt) @@ -672,31 +617,60 @@ static int pccardd(void *__skt) complete(&skt->thread_done); + /* wait for userspace to catch up */ + msleep(250); + set_freezable(); for (;;) { unsigned long flags; unsigned int events; + unsigned int sysfs_events; set_current_state(TASK_INTERRUPTIBLE); spin_lock_irqsave(&skt->thread_lock, flags); events = skt->thread_events; skt->thread_events = 0; + sysfs_events = skt->sysfs_events; + skt->sysfs_events = 0; spin_unlock_irqrestore(&skt->thread_lock, flags); - if (events) { - mutex_lock(&skt->skt_mutex); - if (events & SS_DETECT) - socket_detect_change(skt); - if (events & SS_BATDEAD) - send_event(skt, CS_EVENT_BATTERY_DEAD, CS_EVENT_PRI_LOW); - if (events & SS_BATWARN) - send_event(skt, CS_EVENT_BATTERY_LOW, CS_EVENT_PRI_LOW); - if (events & SS_READY) - send_event(skt, CS_EVENT_READY_CHANGE, CS_EVENT_PRI_LOW); - mutex_unlock(&skt->skt_mutex); - continue; + mutex_lock(&skt->skt_mutex); + if (events & SS_DETECT) + socket_detect_change(skt); + + if (sysfs_events) { + if (sysfs_events & PCMCIA_UEVENT_EJECT) + socket_remove(skt); + if (sysfs_events & PCMCIA_UEVENT_INSERT) + socket_insert(skt); + if ((sysfs_events & PCMCIA_UEVENT_SUSPEND) && + !(skt->state & SOCKET_CARDBUS)) { + if (skt->callback) + ret = skt->callback->suspend(skt); + else + ret = 0; + if (!ret) { + socket_suspend(skt); + msleep(100); + } + } + if ((sysfs_events & PCMCIA_UEVENT_RESUME) && + !(skt->state & SOCKET_CARDBUS)) { + ret = socket_resume(skt); + if (!ret && skt->callback) + skt->callback->resume(skt); + } + if ((sysfs_events & PCMCIA_UEVENT_REQUERY) && + !(skt->state & SOCKET_CARDBUS)) { + if (!ret && skt->callback) + skt->callback->requery(skt); + } } + mutex_unlock(&skt->skt_mutex); + + if (events || sysfs_events) + continue; if (kthread_should_stop()) break; @@ -707,6 +681,13 @@ static int pccardd(void *__skt) /* make sure we are running before we exit */ set_current_state(TASK_RUNNING); + /* shut down socket, if a device is still present */ + if (skt->state & SOCKET_PRESENT) { + mutex_lock(&skt->skt_mutex); + socket_remove(skt); + mutex_unlock(&skt->skt_mutex); + } + /* remove from the device core */ pccard_sysfs_remove_socket(&skt->dev); device_unregister(&skt->dev); @@ -732,6 +713,31 @@ void pcmcia_parse_events(struct pcmcia_socket *s, u_int events) } /* pcmcia_parse_events */ EXPORT_SYMBOL(pcmcia_parse_events); +/** + * pcmcia_parse_uevents() - tell pccardd to issue manual commands + * @s: the PCMCIA socket we wan't to command + * @events: events to pass to pccardd + * + * userspace-issued insert, eject, suspend and resume commands must be + * handled by pccardd to avoid any sysfs-related deadlocks. Valid events + * are PCMCIA_UEVENT_EJECT (for eject), PCMCIA_UEVENT__INSERT (for insert), + * PCMCIA_UEVENT_RESUME (for resume), PCMCIA_UEVENT_SUSPEND (for suspend) + * and PCMCIA_UEVENT_REQUERY (for re-querying the PCMCIA card). + */ +void pcmcia_parse_uevents(struct pcmcia_socket *s, u_int events) +{ + unsigned long flags; + dev_dbg(&s->dev, "parse_uevents: events %08x\n", events); + if (s->thread) { + spin_lock_irqsave(&s->thread_lock, flags); + s->sysfs_events |= events; + spin_unlock_irqrestore(&s->thread_lock, flags); + + wake_up_process(s->thread); + } +} +EXPORT_SYMBOL(pcmcia_parse_uevents); + /* register pcmcia_callback */ int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c) @@ -751,7 +757,7 @@ int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c) s->callback = c; if ((s->state & (SOCKET_PRESENT|SOCKET_CARDBUS)) == SOCKET_PRESENT) - send_event(s, CS_EVENT_CARD_INSERTION, CS_EVENT_PRI_LOW); + s->callback->add(s); } else s->callback = NULL; err: @@ -791,17 +797,13 @@ int pcmcia_reset_card(struct pcmcia_socket *skt) break; } - ret = send_event(skt, CS_EVENT_RESET_REQUEST, CS_EVENT_PRI_LOW); - if (ret == 0) { - send_event(skt, CS_EVENT_RESET_PHYSICAL, CS_EVENT_PRI_LOW); - if (skt->callback) - skt->callback->suspend(skt); - if (socket_reset(skt) == 0) { - send_event(skt, CS_EVENT_CARD_RESET, CS_EVENT_PRI_LOW); - if (skt->callback) - skt->callback->resume(skt); - } - } + if (skt->callback) + skt->callback->suspend(skt); + mutex_lock(&skt->ops_mutex); + ret = socket_reset(skt); + mutex_unlock(&skt->ops_mutex); + if ((ret == 0) && (skt->callback)) + skt->callback->resume(skt); ret = 0; } while (0); @@ -812,146 +814,93 @@ int pcmcia_reset_card(struct pcmcia_socket *skt) EXPORT_SYMBOL(pcmcia_reset_card); -/* These shut down or wake up a socket. They are sort of user - * initiated versions of the APM suspend and resume actions. - */ -int pcmcia_suspend_card(struct pcmcia_socket *skt) +static int pcmcia_socket_uevent(struct device *dev, + struct kobj_uevent_env *env) { - int ret; + struct pcmcia_socket *s = container_of(dev, struct pcmcia_socket, dev); - dev_dbg(&skt->dev, "suspending socket\n"); + if (add_uevent_var(env, "SOCKET_NO=%u", s->sock)) + return -ENOMEM; - mutex_lock(&skt->skt_mutex); - do { - if (!(skt->state & SOCKET_PRESENT)) { - ret = -ENODEV; - break; - } - if (skt->state & SOCKET_CARDBUS) { - ret = -EPERM; - break; - } - if (skt->callback) { - ret = skt->callback->suspend(skt); - if (ret) - break; - } - ret = socket_suspend(skt); - } while (0); - mutex_unlock(&skt->skt_mutex); + return 0; +} - return ret; -} /* suspend_card */ -EXPORT_SYMBOL(pcmcia_suspend_card); +static struct completion pcmcia_unload; -int pcmcia_resume_card(struct pcmcia_socket *skt) +static void pcmcia_release_socket_class(struct class *data) { - int ret; - - dev_dbg(&skt->dev, "waking up socket\n"); - - mutex_lock(&skt->skt_mutex); - do { - if (!(skt->state & SOCKET_PRESENT)) { - ret = -ENODEV; - break; - } - if (skt->state & SOCKET_CARDBUS) { - ret = -EPERM; - break; - } - ret = socket_resume(skt); - if (!ret && skt->callback) - skt->callback->resume(skt); - } while (0); - mutex_unlock(&skt->skt_mutex); + complete(&pcmcia_unload); +} - return ret; -} /* resume_card */ -EXPORT_SYMBOL(pcmcia_resume_card); +#ifdef CONFIG_PM -/* These handle user requests to eject or insert a card. */ -int pcmcia_eject_card(struct pcmcia_socket *skt) +static int __pcmcia_pm_op(struct device *dev, + int (*callback) (struct pcmcia_socket *skt)) { + struct pcmcia_socket *s = container_of(dev, struct pcmcia_socket, dev); int ret; - dev_dbg(&skt->dev, "user eject request\n"); - - mutex_lock(&skt->skt_mutex); - do { - if (!(skt->state & SOCKET_PRESENT)) { - ret = -ENODEV; - break; - } - - ret = send_event(skt, CS_EVENT_EJECTION_REQUEST, CS_EVENT_PRI_LOW); - if (ret != 0) { - ret = -EINVAL; - break; - } - - socket_remove(skt); - ret = 0; - } while (0); - mutex_unlock(&skt->skt_mutex); + mutex_lock(&s->skt_mutex); + ret = callback(s); + mutex_unlock(&s->skt_mutex); return ret; -} /* eject_card */ -EXPORT_SYMBOL(pcmcia_eject_card); - +} -int pcmcia_insert_card(struct pcmcia_socket *skt) +static int pcmcia_socket_dev_suspend_noirq(struct device *dev) { - int ret; - - dev_dbg(&skt->dev, "user insert request\n"); - - mutex_lock(&skt->skt_mutex); - do { - if (skt->state & SOCKET_PRESENT) { - ret = -EBUSY; - break; - } - if (socket_insert(skt) == -ENODEV) { - ret = -ENODEV; - break; - } - ret = 0; - } while (0); - mutex_unlock(&skt->skt_mutex); - - return ret; -} /* insert_card */ -EXPORT_SYMBOL(pcmcia_insert_card); - + return __pcmcia_pm_op(dev, socket_suspend); +} -static int pcmcia_socket_uevent(struct device *dev, - struct kobj_uevent_env *env) +static int pcmcia_socket_dev_resume_noirq(struct device *dev) { - struct pcmcia_socket *s = container_of(dev, struct pcmcia_socket, dev); + return __pcmcia_pm_op(dev, socket_early_resume); +} - if (add_uevent_var(env, "SOCKET_NO=%u", s->sock)) - return -ENOMEM; +static int __used pcmcia_socket_dev_resume(struct device *dev) +{ + return __pcmcia_pm_op(dev, socket_late_resume); +} - return 0; +static void __used pcmcia_socket_dev_complete(struct device *dev) +{ + WARN(__pcmcia_pm_op(dev, socket_complete_resume), + "failed to complete resume"); } +static const struct dev_pm_ops pcmcia_socket_pm_ops = { + /* dev_resume may be called with IRQs enabled */ + SET_SYSTEM_SLEEP_PM_OPS(NULL, + pcmcia_socket_dev_resume) + + /* late suspend must be called with IRQs disabled */ + .suspend_noirq = pcmcia_socket_dev_suspend_noirq, + .freeze_noirq = pcmcia_socket_dev_suspend_noirq, + .poweroff_noirq = pcmcia_socket_dev_suspend_noirq, + + /* early resume must be called with IRQs disabled */ + .resume_noirq = pcmcia_socket_dev_resume_noirq, + .thaw_noirq = pcmcia_socket_dev_resume_noirq, + .restore_noirq = pcmcia_socket_dev_resume_noirq, + .complete = pcmcia_socket_dev_complete, +}; -static struct completion pcmcia_unload; +#define PCMCIA_SOCKET_CLASS_PM_OPS (&pcmcia_socket_pm_ops) -static void pcmcia_release_socket_class(struct class *data) -{ - complete(&pcmcia_unload); -} +#else /* CONFIG_PM */ + +#define PCMCIA_SOCKET_CLASS_PM_OPS NULL +#endif /* CONFIG_PM */ struct class pcmcia_socket_class = { .name = "pcmcia_socket", .dev_uevent = pcmcia_socket_uevent, .dev_release = pcmcia_release_socket, .class_release = pcmcia_release_socket_class, + .pm = PCMCIA_SOCKET_CLASS_PM_OPS, }; EXPORT_SYMBOL(pcmcia_socket_class); diff --git a/drivers/pcmcia/cs_internal.h b/drivers/pcmcia/cs_internal.h index 3bc02d53a3a..7f1953f78b1 100644 --- a/drivers/pcmcia/cs_internal.h +++ b/drivers/pcmcia/cs_internal.h @@ -10,7 +10,7 @@ * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. * * (C) 1999 David A. Hinds - * (C) 2003 - 2008 Dominik Brodowski + * (C) 2003 - 2010 Dominik Brodowski * * * This file contains definitions _only_ needed by the PCMCIA core modules. @@ -26,19 +26,16 @@ /* Flags in client state */ #define CLIENT_WIN_REQ(i) (0x1<<(i)) +/* Flag to access all functions */ +#define BIND_FN_ALL 0xff + /* Each card function gets one of these guys */ typedef struct config_t { struct kref ref; unsigned int state; - unsigned int Attributes; - unsigned int IntType; - unsigned int ConfigBase; - unsigned char Status, Pin, Copy, Option, ExtStatus; - unsigned int CardValues; - io_req_t io; - struct { - u_int Attributes; - } irq; + + struct resource io[MAX_IO_WIN]; /* io ports */ + struct resource mem[MAX_WIN]; /* mem areas */ } config_t; @@ -52,24 +49,15 @@ struct cis_cache_entry { struct pccard_resource_ops { int (*validate_mem) (struct pcmcia_socket *s); - int (*adjust_io_region) (struct resource *res, - unsigned long r_start, - unsigned long r_end, - struct pcmcia_socket *s); - struct resource* (*find_io) (unsigned long base, int num, - unsigned long align, - struct pcmcia_socket *s); + int (*find_io) (struct pcmcia_socket *s, + unsigned int attr, + unsigned int *base, + unsigned int num, + unsigned int align, + struct resource **parent); struct resource* (*find_mem) (unsigned long base, unsigned long num, unsigned long align, int low, struct pcmcia_socket *s); - int (*add_io) (struct pcmcia_socket *s, - unsigned int action, - unsigned long r_start, - unsigned long r_end); - int (*add_mem) (struct pcmcia_socket *s, - unsigned int action, - unsigned long r_start, - unsigned long r_end); int (*init) (struct pcmcia_socket *s); void (*exit) (struct pcmcia_socket *s); }; @@ -87,37 +75,19 @@ struct pccard_resource_ops { #define SOCKET_CARDBUS 0x8000 #define SOCKET_CARDBUS_CONFIG 0x10000 -static inline int cs_socket_get(struct pcmcia_socket *skt) -{ - int ret; - - WARN_ON(skt->state & SOCKET_INUSE); - - ret = try_module_get(skt->owner); - if (ret) - skt->state |= SOCKET_INUSE; - return ret; -} - -static inline void cs_socket_put(struct pcmcia_socket *skt) -{ - if (skt->state & SOCKET_INUSE) { - skt->state &= ~SOCKET_INUSE; - module_put(skt->owner); - } -} +/* + * Stuff internal to module "pcmcia_rsrc": + */ +extern int static_init(struct pcmcia_socket *s); +extern struct resource *pcmcia_make_resource(unsigned long start, + unsigned long end, + int flags, const char *name); /* * Stuff internal to module "pcmcia_core": */ -/* cistpl.c */ -int verify_cis_cache(struct pcmcia_socket *s); - -/* rsrc_mgr.c */ -void release_resource_db(struct pcmcia_socket *s); - /* socket_sysfs.c */ extern int pccard_sysfs_add_socket(struct device *dev); extern void pccard_sysfs_remove_socket(struct device *dev); @@ -125,8 +95,6 @@ extern void pccard_sysfs_remove_socket(struct device *dev); /* cardbus.c */ int cb_alloc(struct pcmcia_socket *s); void cb_free(struct pcmcia_socket *s); -int read_cb_mem(struct pcmcia_socket *s, int space, u_int addr, u_int len, - void *ptr); @@ -136,10 +104,12 @@ int read_cb_mem(struct pcmcia_socket *s, int space, u_int addr, u_int len, struct pcmcia_callback{ struct module *owner; - int (*event) (struct pcmcia_socket *s, - event_t event, int priority); - void (*requery) (struct pcmcia_socket *s, int new_cis); + int (*add) (struct pcmcia_socket *s); + int (*remove) (struct pcmcia_socket *s); + void (*requery) (struct pcmcia_socket *s); + int (*validate) (struct pcmcia_socket *s, unsigned int *i); int (*suspend) (struct pcmcia_socket *s); + int (*early_resume) (struct pcmcia_socket *s); int (*resume) (struct pcmcia_socket *s); }; @@ -151,20 +121,43 @@ extern struct class pcmcia_socket_class; int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c); struct pcmcia_socket *pcmcia_get_socket_by_nr(unsigned int nr); -int pcmcia_suspend_card(struct pcmcia_socket *skt); -int pcmcia_resume_card(struct pcmcia_socket *skt); - -int pcmcia_eject_card(struct pcmcia_socket *skt); -int pcmcia_insert_card(struct pcmcia_socket *skt); +void pcmcia_parse_uevents(struct pcmcia_socket *socket, unsigned int events); +#define PCMCIA_UEVENT_EJECT 0x0001 +#define PCMCIA_UEVENT_INSERT 0x0002 +#define PCMCIA_UEVENT_SUSPEND 0x0004 +#define PCMCIA_UEVENT_RESUME 0x0008 +#define PCMCIA_UEVENT_REQUERY 0x0010 struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt); void pcmcia_put_socket(struct pcmcia_socket *skt); +/* + * Stuff internal to module "pcmcia". + */ +/* ds.c */ +extern struct bus_type pcmcia_bus_type; + +struct pcmcia_device; + +/* pcmcia_resource.c */ +extern int pcmcia_release_configuration(struct pcmcia_device *p_dev); +extern int pcmcia_validate_mem(struct pcmcia_socket *s); +extern struct resource *pcmcia_find_mem_region(u_long base, + u_long num, + u_long align, + int low, + struct pcmcia_socket *s); + +void pcmcia_cleanup_irq(struct pcmcia_socket *s); +int pcmcia_setup_irq(struct pcmcia_device *p_dev); + /* cistpl.c */ +extern struct bin_attribute pccard_cis_attr; + int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, u_int addr, u_int len, void *ptr); -void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, - u_int addr, u_int len, void *ptr); +int pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, + u_int addr, u_int len, void *ptr); void release_cis_mem(struct pcmcia_socket *s); void destroy_cis_cache(struct pcmcia_socket *s); int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, @@ -172,8 +165,8 @@ int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, int pcmcia_replace_cis(struct pcmcia_socket *s, const u8 *data, const size_t len); int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *count); +int verify_cis_cache(struct pcmcia_socket *s); -/* loop over CIS entries */ int pccard_loop_tuple(struct pcmcia_socket *s, unsigned int function, cisdata_t code, cisparse_t *parse, void *priv_data, int (*loop_tuple) (tuple_t *tuple, @@ -188,61 +181,4 @@ int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function, int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple); - -/* rsrc_mgr.c */ -int pcmcia_validate_mem(struct pcmcia_socket *s); -struct resource *pcmcia_find_io_region(unsigned long base, - int num, - unsigned long align, - struct pcmcia_socket *s); -int pcmcia_adjust_io_region(struct resource *res, - unsigned long r_start, - unsigned long r_end, - struct pcmcia_socket *s); -struct resource *pcmcia_find_mem_region(u_long base, - u_long num, - u_long align, - int low, - struct pcmcia_socket *s); - -/* - * Stuff internal to module "pcmcia". - */ -/* ds.c */ -extern struct bus_type pcmcia_bus_type; - -/* pcmcia_resource.c */ -extern int pcmcia_release_configuration(struct pcmcia_device *p_dev); - -#ifdef CONFIG_PCMCIA_IOCTL -/* ds.c */ -extern spinlock_t pcmcia_dev_list_lock; - -extern struct pcmcia_device *pcmcia_get_dev(struct pcmcia_device *p_dev); -extern void pcmcia_put_dev(struct pcmcia_device *p_dev); - -struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, - unsigned int function); - -/* pcmcia_ioctl.c */ -extern void __init pcmcia_setup_ioctl(void); -extern void __exit pcmcia_cleanup_ioctl(void); -extern void handle_event(struct pcmcia_socket *s, event_t event); -extern int handle_request(struct pcmcia_socket *s, event_t event); - -#else /* CONFIG_PCMCIA_IOCTL */ - -static inline void __init pcmcia_setup_ioctl(void) { return; } -static inline void __exit pcmcia_cleanup_ioctl(void) { return; } -static inline void handle_event(struct pcmcia_socket *s, event_t event) -{ - return; -} -static inline int handle_request(struct pcmcia_socket *s, event_t event) -{ - return 0; -} - -#endif /* CONFIG_PCMCIA_IOCTL */ - #endif /* _LINUX_CS_INTERNAL_H */ diff --git a/drivers/pcmcia/db1xxx_ss.c b/drivers/pcmcia/db1xxx_ss.c new file mode 100644 index 00000000000..a31e69ea99f --- /dev/null +++ b/drivers/pcmcia/db1xxx_ss.c @@ -0,0 +1,587 @@ +/* + * PCMCIA socket code for the Alchemy Db1xxx/Pb1xxx boards. + * + * Copyright (c) 2009 Manuel Lauss <manuel.lauss@gmail.com> + * + */ + +/* This is a fairly generic PCMCIA socket driver suitable for the + * following Alchemy Development boards: + * Db1000, Db/Pb1500, Db/Pb1100, Db/Pb1550, Db/Pb1200, Db1300 + * + * The Db1000 is used as a reference: Per-socket card-, carddetect- and + * statuschange IRQs connected to SoC GPIOs, control and status register + * bits arranged in per-socket groups in an external PLD. All boards + * listed here use this layout, including bit positions and meanings. + * Of course there are exceptions in later boards: + * + * - Pb1100/Pb1500: single socket only; voltage key bits VS are + * at STATUS[5:4] (instead of STATUS[1:0]). + * - Au1200-based: additional card-eject irqs, irqs not gpios! + * - Db1300: Db1200-like, no pwr ctrl, single socket (#1). + */ + +#include <linux/delay.h> +#include <linux/gpio.h> +#include <linux/interrupt.h> +#include <linux/pm.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/resource.h> +#include <linux/slab.h> +#include <linux/spinlock.h> + +#include <pcmcia/ss.h> + +#include <asm/mach-au1x00/au1000.h> +#include <asm/mach-db1x00/bcsr.h> + +#define MEM_MAP_SIZE 0x400000 +#define IO_MAP_SIZE 0x1000 + +struct db1x_pcmcia_sock { + struct pcmcia_socket socket; + int nr; /* socket number */ + void *virt_io; + + phys_addr_t phys_io; + phys_addr_t phys_attr; + phys_addr_t phys_mem; + + /* previous flags for set_socket() */ + unsigned int old_flags; + + /* interrupt sources: linux irq numbers! */ + int insert_irq; /* default carddetect irq */ + int stschg_irq; /* card-status-change irq */ + int card_irq; /* card irq */ + int eject_irq; /* db1200/pb1200 have these */ + +#define BOARD_TYPE_DEFAULT 0 /* most boards */ +#define BOARD_TYPE_DB1200 1 /* IRQs aren't gpios */ +#define BOARD_TYPE_PB1100 2 /* VS bits slightly different */ +#define BOARD_TYPE_DB1300 3 /* no power control */ + int board_type; +}; + +#define to_db1x_socket(x) container_of(x, struct db1x_pcmcia_sock, socket) + +static int db1300_card_inserted(struct db1x_pcmcia_sock *sock) +{ + return bcsr_read(BCSR_SIGSTAT) & (1 << 8); +} + +/* DB/PB1200: check CPLD SIGSTATUS register bit 10/12 */ +static int db1200_card_inserted(struct db1x_pcmcia_sock *sock) +{ + unsigned short sigstat; + + sigstat = bcsr_read(BCSR_SIGSTAT); + return sigstat & 1 << (8 + 2 * sock->nr); +} + +/* carddetect gpio: low-active */ +static int db1000_card_inserted(struct db1x_pcmcia_sock *sock) +{ + return !gpio_get_value(irq_to_gpio(sock->insert_irq)); +} + +static int db1x_card_inserted(struct db1x_pcmcia_sock *sock) +{ + switch (sock->board_type) { + case BOARD_TYPE_DB1200: + return db1200_card_inserted(sock); + case BOARD_TYPE_DB1300: + return db1300_card_inserted(sock); + default: + return db1000_card_inserted(sock); + } +} + +/* STSCHG tends to bounce heavily when cards are inserted/ejected. + * To avoid this, the interrupt is normally disabled and only enabled + * after reset to a card has been de-asserted. + */ +static inline void set_stschg(struct db1x_pcmcia_sock *sock, int en) +{ + if (sock->stschg_irq != -1) { + if (en) + enable_irq(sock->stschg_irq); + else + disable_irq(sock->stschg_irq); + } +} + +static irqreturn_t db1000_pcmcia_cdirq(int irq, void *data) +{ + struct db1x_pcmcia_sock *sock = data; + + pcmcia_parse_events(&sock->socket, SS_DETECT); + + return IRQ_HANDLED; +} + +static irqreturn_t db1000_pcmcia_stschgirq(int irq, void *data) +{ + struct db1x_pcmcia_sock *sock = data; + + pcmcia_parse_events(&sock->socket, SS_STSCHG); + + return IRQ_HANDLED; +} + +static irqreturn_t db1200_pcmcia_cdirq(int irq, void *data) +{ + struct db1x_pcmcia_sock *sock = data; + + /* Db/Pb1200 have separate per-socket insertion and ejection + * interrupts which stay asserted as long as the card is + * inserted/missing. The one which caused us to be called + * needs to be disabled and the other one enabled. + */ + if (irq == sock->insert_irq) { + disable_irq_nosync(sock->insert_irq); + enable_irq(sock->eject_irq); + } else { + disable_irq_nosync(sock->eject_irq); + enable_irq(sock->insert_irq); + } + + pcmcia_parse_events(&sock->socket, SS_DETECT); + + return IRQ_HANDLED; +} + +static int db1x_pcmcia_setup_irqs(struct db1x_pcmcia_sock *sock) +{ + int ret; + + if (sock->stschg_irq != -1) { + ret = request_irq(sock->stschg_irq, db1000_pcmcia_stschgirq, + 0, "pcmcia_stschg", sock); + if (ret) + return ret; + } + + /* Db/Pb1200 have separate per-socket insertion and ejection + * interrupts, which should show edge behaviour but don't. + * So interrupts are disabled until both insertion and + * ejection handler have been registered and the currently + * active one disabled. + */ + if ((sock->board_type == BOARD_TYPE_DB1200) || + (sock->board_type == BOARD_TYPE_DB1300)) { + ret = request_irq(sock->insert_irq, db1200_pcmcia_cdirq, + 0, "pcmcia_insert", sock); + if (ret) + goto out1; + + ret = request_irq(sock->eject_irq, db1200_pcmcia_cdirq, + 0, "pcmcia_eject", sock); + if (ret) { + free_irq(sock->insert_irq, sock); + goto out1; + } + + /* enable the currently silent one */ + if (db1x_card_inserted(sock)) + enable_irq(sock->eject_irq); + else + enable_irq(sock->insert_irq); + } else { + /* all other (older) Db1x00 boards use a GPIO to show + * card detection status: use both-edge triggers. + */ + irq_set_irq_type(sock->insert_irq, IRQ_TYPE_EDGE_BOTH); + ret = request_irq(sock->insert_irq, db1000_pcmcia_cdirq, + 0, "pcmcia_carddetect", sock); + + if (ret) + goto out1; + } + + return 0; /* all done */ + +out1: + if (sock->stschg_irq != -1) + free_irq(sock->stschg_irq, sock); + + return ret; +} + +static void db1x_pcmcia_free_irqs(struct db1x_pcmcia_sock *sock) +{ + if (sock->stschg_irq != -1) + free_irq(sock->stschg_irq, sock); + + free_irq(sock->insert_irq, sock); + if (sock->eject_irq != -1) + free_irq(sock->eject_irq, sock); +} + +/* + * configure a PCMCIA socket on the Db1x00 series of boards (and + * compatibles). + * + * 2 external registers are involved: + * pcmcia_status (offset 0x04): bits [0:1/2:3]: read card voltage id + * pcmcia_control(offset 0x10): + * bits[0:1] set vcc for card + * bits[2:3] set vpp for card + * bit 4: enable data buffers + * bit 7: reset# for card + * add 8 for second socket. + */ +static int db1x_pcmcia_configure(struct pcmcia_socket *skt, + struct socket_state_t *state) +{ + struct db1x_pcmcia_sock *sock = to_db1x_socket(skt); + unsigned short cr_clr, cr_set; + unsigned int changed; + int v, p, ret; + + /* card voltage setup */ + cr_clr = (0xf << (sock->nr * 8)); /* clear voltage settings */ + cr_set = 0; + v = p = ret = 0; + + switch (state->Vcc) { + case 50: + ++v; + case 33: + ++v; + case 0: + break; + default: + printk(KERN_INFO "pcmcia%d unsupported Vcc %d\n", + sock->nr, state->Vcc); + } + + switch (state->Vpp) { + case 12: + ++p; + case 33: + case 50: + ++p; + case 0: + break; + default: + printk(KERN_INFO "pcmcia%d unsupported Vpp %d\n", + sock->nr, state->Vpp); + } + + /* sanity check: Vpp must be 0, 12, or Vcc */ + if (((state->Vcc == 33) && (state->Vpp == 50)) || + ((state->Vcc == 50) && (state->Vpp == 33))) { + printk(KERN_INFO "pcmcia%d bad Vcc/Vpp combo (%d %d)\n", + sock->nr, state->Vcc, state->Vpp); + v = p = 0; + ret = -EINVAL; + } + + /* create new voltage code */ + if (sock->board_type != BOARD_TYPE_DB1300) + cr_set |= ((v << 2) | p) << (sock->nr * 8); + + changed = state->flags ^ sock->old_flags; + + if (changed & SS_RESET) { + if (state->flags & SS_RESET) { + set_stschg(sock, 0); + /* assert reset, disable io buffers */ + cr_clr |= (1 << (7 + (sock->nr * 8))); + cr_clr |= (1 << (4 + (sock->nr * 8))); + } else { + /* de-assert reset, enable io buffers */ + cr_set |= 1 << (7 + (sock->nr * 8)); + cr_set |= 1 << (4 + (sock->nr * 8)); + } + } + + /* update PCMCIA configuration */ + bcsr_mod(BCSR_PCMCIA, cr_clr, cr_set); + + sock->old_flags = state->flags; + + /* reset was taken away: give card time to initialize properly */ + if ((changed & SS_RESET) && !(state->flags & SS_RESET)) { + msleep(500); + set_stschg(sock, 1); + } + + return ret; +} + +/* VCC bits at [3:2]/[11:10] */ +#define GET_VCC(cr, socknr) \ + ((((cr) >> 2) >> ((socknr) * 8)) & 3) + +/* VS bits at [0:1]/[3:2] */ +#define GET_VS(sr, socknr) \ + (((sr) >> (2 * (socknr))) & 3) + +/* reset bits at [7]/[15] */ +#define GET_RESET(cr, socknr) \ + ((cr) & (1 << (7 + (8 * (socknr))))) + +static int db1x_pcmcia_get_status(struct pcmcia_socket *skt, + unsigned int *value) +{ + struct db1x_pcmcia_sock *sock = to_db1x_socket(skt); + unsigned short cr, sr; + unsigned int status; + + status = db1x_card_inserted(sock) ? SS_DETECT : 0; + + cr = bcsr_read(BCSR_PCMCIA); + sr = bcsr_read(BCSR_STATUS); + + /* PB1100/PB1500: voltage key bits are at [5:4] */ + if (sock->board_type == BOARD_TYPE_PB1100) + sr >>= 4; + + /* determine card type */ + switch (GET_VS(sr, sock->nr)) { + case 0: + case 2: + status |= SS_3VCARD; /* 3V card */ + case 3: + break; /* 5V card: set nothing */ + default: + status |= SS_XVCARD; /* treated as unsupported in core */ + } + + /* if Vcc is not zero, we have applied power to a card */ + status |= GET_VCC(cr, sock->nr) ? SS_POWERON : 0; + + /* DB1300: power always on, but don't tell when no card present */ + if ((sock->board_type == BOARD_TYPE_DB1300) && (status & SS_DETECT)) + status = SS_POWERON | SS_3VCARD | SS_DETECT; + + /* reset de-asserted? then we're ready */ + status |= (GET_RESET(cr, sock->nr)) ? SS_READY : SS_RESET; + + *value = status; + + return 0; +} + +static int db1x_pcmcia_sock_init(struct pcmcia_socket *skt) +{ + return 0; +} + +static int db1x_pcmcia_sock_suspend(struct pcmcia_socket *skt) +{ + return 0; +} + +static int au1x00_pcmcia_set_io_map(struct pcmcia_socket *skt, + struct pccard_io_map *map) +{ + struct db1x_pcmcia_sock *sock = to_db1x_socket(skt); + + map->start = (u32)sock->virt_io; + map->stop = map->start + IO_MAP_SIZE; + + return 0; +} + +static int au1x00_pcmcia_set_mem_map(struct pcmcia_socket *skt, + struct pccard_mem_map *map) +{ + struct db1x_pcmcia_sock *sock = to_db1x_socket(skt); + + if (map->flags & MAP_ATTRIB) + map->static_start = sock->phys_attr + map->card_start; + else + map->static_start = sock->phys_mem + map->card_start; + + return 0; +} + +static struct pccard_operations db1x_pcmcia_operations = { + .init = db1x_pcmcia_sock_init, + .suspend = db1x_pcmcia_sock_suspend, + .get_status = db1x_pcmcia_get_status, + .set_socket = db1x_pcmcia_configure, + .set_io_map = au1x00_pcmcia_set_io_map, + .set_mem_map = au1x00_pcmcia_set_mem_map, +}; + +static int db1x_pcmcia_socket_probe(struct platform_device *pdev) +{ + struct db1x_pcmcia_sock *sock; + struct resource *r; + int ret, bid; + + sock = kzalloc(sizeof(struct db1x_pcmcia_sock), GFP_KERNEL); + if (!sock) + return -ENOMEM; + + sock->nr = pdev->id; + + bid = BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)); + switch (bid) { + case BCSR_WHOAMI_PB1500: + case BCSR_WHOAMI_PB1500R2: + case BCSR_WHOAMI_PB1100: + sock->board_type = BOARD_TYPE_PB1100; + break; + case BCSR_WHOAMI_DB1000 ... BCSR_WHOAMI_PB1550_SDR: + sock->board_type = BOARD_TYPE_DEFAULT; + break; + case BCSR_WHOAMI_PB1200 ... BCSR_WHOAMI_DB1200: + sock->board_type = BOARD_TYPE_DB1200; + break; + case BCSR_WHOAMI_DB1300: + sock->board_type = BOARD_TYPE_DB1300; + break; + default: + printk(KERN_INFO "db1xxx-ss: unknown board %d!\n", bid); + ret = -ENODEV; + goto out0; + }; + + /* + * gather resources necessary and optional nice-to-haves to + * operate a socket: + * This includes IRQs for Carddetection/ejection, the card + * itself and optional status change detection. + * Also, the memory areas covered by a socket. For these + * we require the real 36bit addresses (see the au1000.h + * header for more information). + */ + + /* card: irq assigned to the card itself. */ + r = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "card"); + sock->card_irq = r ? r->start : 0; + + /* insert: irq which triggers on card insertion/ejection */ + r = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "insert"); + sock->insert_irq = r ? r->start : -1; + + /* stschg: irq which trigger on card status change (optional) */ + r = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "stschg"); + sock->stschg_irq = r ? r->start : -1; + + /* eject: irq which triggers on ejection (DB1200/PB1200 only) */ + r = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "eject"); + sock->eject_irq = r ? r->start : -1; + + ret = -ENODEV; + + /* 36bit PCMCIA Attribute area address */ + r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pcmcia-attr"); + if (!r) { + printk(KERN_ERR "pcmcia%d has no 'pseudo-attr' resource!\n", + sock->nr); + goto out0; + } + sock->phys_attr = r->start; + + /* 36bit PCMCIA Memory area address */ + r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pcmcia-mem"); + if (!r) { + printk(KERN_ERR "pcmcia%d has no 'pseudo-mem' resource!\n", + sock->nr); + goto out0; + } + sock->phys_mem = r->start; + + /* 36bit PCMCIA IO area address */ + r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pcmcia-io"); + if (!r) { + printk(KERN_ERR "pcmcia%d has no 'pseudo-io' resource!\n", + sock->nr); + goto out0; + } + sock->phys_io = r->start; + + /* + * PCMCIA client drivers use the inb/outb macros to access + * the IO registers. Since mips_io_port_base is added + * to the access address of the mips implementation of + * inb/outb, we need to subtract it here because we want + * to access the I/O or MEM address directly, without + * going through this "mips_io_port_base" mechanism. + */ + sock->virt_io = (void *)(ioremap(sock->phys_io, IO_MAP_SIZE) - + mips_io_port_base); + + if (!sock->virt_io) { + printk(KERN_ERR "pcmcia%d: cannot remap IO area\n", + sock->nr); + ret = -ENOMEM; + goto out0; + } + + sock->socket.ops = &db1x_pcmcia_operations; + sock->socket.owner = THIS_MODULE; + sock->socket.pci_irq = sock->card_irq; + sock->socket.features = SS_CAP_STATIC_MAP | SS_CAP_PCCARD; + sock->socket.map_size = MEM_MAP_SIZE; + sock->socket.io_offset = (unsigned long)sock->virt_io; + sock->socket.dev.parent = &pdev->dev; + sock->socket.resource_ops = &pccard_static_ops; + + platform_set_drvdata(pdev, sock); + + ret = db1x_pcmcia_setup_irqs(sock); + if (ret) { + printk(KERN_ERR "pcmcia%d cannot setup interrupts\n", + sock->nr); + goto out1; + } + + set_stschg(sock, 0); + + ret = pcmcia_register_socket(&sock->socket); + if (ret) { + printk(KERN_ERR "pcmcia%d failed to register\n", sock->nr); + goto out2; + } + + printk(KERN_INFO "Alchemy Db/Pb1xxx pcmcia%d @ io/attr/mem %09llx" + "(%p) %09llx %09llx card/insert/stschg/eject irqs @ %d " + "%d %d %d\n", sock->nr, sock->phys_io, sock->virt_io, + sock->phys_attr, sock->phys_mem, sock->card_irq, + sock->insert_irq, sock->stschg_irq, sock->eject_irq); + + return 0; + +out2: + db1x_pcmcia_free_irqs(sock); +out1: + iounmap((void *)(sock->virt_io + (u32)mips_io_port_base)); +out0: + kfree(sock); + return ret; +} + +static int db1x_pcmcia_socket_remove(struct platform_device *pdev) +{ + struct db1x_pcmcia_sock *sock = platform_get_drvdata(pdev); + + db1x_pcmcia_free_irqs(sock); + pcmcia_unregister_socket(&sock->socket); + iounmap((void *)(sock->virt_io + (u32)mips_io_port_base)); + kfree(sock); + + return 0; +} + +static struct platform_driver db1x_pcmcia_socket_driver = { + .driver = { + .name = "db1xxx_pcmcia", + .owner = THIS_MODULE, + }, + .probe = db1x_pcmcia_socket_probe, + .remove = db1x_pcmcia_socket_remove, +}; + +module_platform_driver(db1x_pcmcia_socket_driver); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("PCMCIA Socket Services for Alchemy Db/Pb1x00 boards"); +MODULE_AUTHOR("Manuel Lauss"); diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 1a4a3c49cc1..757119b8714 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -10,7 +10,7 @@ * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. * * (C) 1999 David A. Hinds - * (C) 2003 - 2006 Dominik Brodowski + * (C) 2003 - 2010 Dominik Brodowski */ #include <linux/kernel.h> @@ -24,9 +24,8 @@ #include <linux/firmware.h> #include <linux/kref.h> #include <linux/dma-mapping.h> +#include <linux/slab.h> -#include <pcmcia/cs_types.h> -#include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include <pcmcia/ds.h> #include <pcmcia/ss.h> @@ -42,19 +41,17 @@ MODULE_DESCRIPTION("PCMCIA Driver Services"); MODULE_LICENSE("GPL"); -spinlock_t pcmcia_dev_list_lock; - /*====================================================================*/ static void pcmcia_check_driver(struct pcmcia_driver *p_drv) { - struct pcmcia_device_id *did = p_drv->id_table; + const struct pcmcia_device_id *did = p_drv->id_table; unsigned int i; u32 hash; if (!p_drv->probe || !p_drv->remove) printk(KERN_DEBUG "pcmcia: %s lacks a requisite callback " - "function\n", p_drv->drv.name); + "function\n", p_drv->name); while (did && did->match_flags) { for (i = 0; i < 4; i++) { @@ -67,7 +64,7 @@ static void pcmcia_check_driver(struct pcmcia_driver *p_drv) printk(KERN_DEBUG "pcmcia: %s: invalid hash for " "product string \"%s\": is 0x%x, should " - "be 0x%x\n", p_drv->drv.name, did->prod_id[i], + "be 0x%x\n", p_drv->name, did->prod_id[i], did->prod_id_hash[i], hash); printk(KERN_DEBUG "pcmcia: see " "Documentation/pcmcia/devicetable.txt for " @@ -126,14 +123,11 @@ pcmcia_store_new_id(struct device_driver *driver, const char *buf, size_t count) dynid->id.device_no = device_no; memcpy(dynid->id.prod_id_hash, prod_id_hash, sizeof(__u32) * 4); - spin_lock(&pdrv->dynids.lock); + mutex_lock(&pdrv->dynids.lock); list_add_tail(&dynid->node, &pdrv->dynids.list); - spin_unlock(&pdrv->dynids.lock); + mutex_unlock(&pdrv->dynids.lock); - if (get_driver(&pdrv->drv)) { - retval = driver_attach(&pdrv->drv); - put_driver(&pdrv->drv); - } + retval = driver_attach(&pdrv->drv); if (retval) return retval; @@ -146,12 +140,12 @@ pcmcia_free_dynids(struct pcmcia_driver *drv) { struct pcmcia_dynid *dynid, *n; - spin_lock(&drv->dynids.lock); + mutex_lock(&drv->dynids.lock); list_for_each_entry_safe(dynid, n, &drv->dynids.list, node) { list_del(&dynid->node); kfree(dynid); } - spin_unlock(&drv->dynids.lock); + mutex_unlock(&drv->dynids.lock); } static int @@ -163,6 +157,11 @@ pcmcia_create_newid_file(struct pcmcia_driver *drv) return error; } +static void +pcmcia_remove_newid_file(struct pcmcia_driver *drv) +{ + driver_remove_file(&drv->drv, &driver_attr_new_id); +} /** * pcmcia_register_driver - register a PCMCIA driver with the bus core @@ -182,10 +181,11 @@ int pcmcia_register_driver(struct pcmcia_driver *driver) /* initialize common fields */ driver->drv.bus = &pcmcia_bus_type; driver->drv.owner = driver->owner; - spin_lock_init(&driver->dynids.lock); + driver->drv.name = driver->name; + mutex_init(&driver->dynids.lock); INIT_LIST_HEAD(&driver->dynids.list); - pr_debug("registering driver %s\n", driver->drv.name); + pr_debug("registering driver %s\n", driver->name); error = driver_register(&driver->drv); if (error < 0) @@ -205,7 +205,8 @@ EXPORT_SYMBOL(pcmcia_register_driver); */ void pcmcia_unregister_driver(struct pcmcia_driver *driver) { - pr_debug("unregistering driver %s\n", driver->drv.name); + pr_debug("unregistering driver %s\n", driver->name); + pcmcia_remove_newid_file(driver); driver_unregister(&driver->drv); pcmcia_free_dynids(driver); } @@ -214,7 +215,7 @@ EXPORT_SYMBOL(pcmcia_unregister_driver); /* pcmcia_device handling */ -struct pcmcia_device *pcmcia_get_dev(struct pcmcia_device *p_dev) +static struct pcmcia_device *pcmcia_get_dev(struct pcmcia_device *p_dev) { struct device *tmp_dev; tmp_dev = get_device(&p_dev->dev); @@ -223,7 +224,7 @@ struct pcmcia_device *pcmcia_get_dev(struct pcmcia_device *p_dev) return to_pcmcia_dev(tmp_dev); } -void pcmcia_put_dev(struct pcmcia_device *p_dev) +static void pcmcia_put_dev(struct pcmcia_device *p_dev) { if (p_dev) put_device(&p_dev->dev); @@ -239,30 +240,21 @@ static void pcmcia_release_function(struct kref *ref) static void pcmcia_release_dev(struct device *dev) { struct pcmcia_device *p_dev = to_pcmcia_dev(dev); + int i; dev_dbg(dev, "releasing device\n"); pcmcia_put_socket(p_dev->socket); + for (i = 0; i < 4; i++) + kfree(p_dev->prod_id[i]); kfree(p_dev->devname); kref_put(&p_dev->function_config->ref, pcmcia_release_function); kfree(p_dev); } -static void pcmcia_add_device_later(struct pcmcia_socket *s, int mfc) -{ - if (!s->pcmcia_state.device_add_pending) { - dev_dbg(&s->dev, "scheduling to add %s secondary" - " device to %d\n", mfc ? "mfc" : "pfc", s->sock); - s->pcmcia_state.device_add_pending = 1; - s->pcmcia_state.mfc_pfc = mfc; - schedule_work(&s->device_add); - } - return; -} static int pcmcia_device_probe(struct device *dev) { struct pcmcia_device *p_dev; struct pcmcia_driver *p_drv; - struct pcmcia_device_id *did; struct pcmcia_socket *s; cistpl_config_t cis_config; int ret = 0; @@ -275,19 +267,7 @@ static int pcmcia_device_probe(struct device *dev) p_drv = to_pcmcia_drv(dev->driver); s = p_dev->socket; - /* The PCMCIA code passes the match data in via dev_set_drvdata(dev) - * which is an ugly hack. Once the driver probe is called it may - * and often will overwrite the match data so we must save it first - * - * handle pseudo multifunction devices: - * there are at most two pseudo multifunction devices. - * if we're matching against the first, schedule a - * call which will then check whether there are two - * pseudo devices, and if not, add the second one. - */ - did = dev_get_drvdata(&p_dev->dev); - - dev_dbg(dev, "trying to bind to %s\n", p_drv->drv.name); + dev_dbg(dev, "trying to bind to %s\n", p_drv->name); if ((!p_drv->probe) || (!p_dev->function_config) || (!try_module_get(p_drv->owner))) { @@ -299,25 +279,34 @@ static int pcmcia_device_probe(struct device *dev) ret = pccard_read_tuple(p_dev->socket, p_dev->func, CISTPL_CONFIG, &cis_config); if (!ret) { - p_dev->conf.ConfigBase = cis_config.base; - p_dev->conf.Present = cis_config.rmask[0]; + p_dev->config_base = cis_config.base; + p_dev->config_regs = cis_config.rmask[0]; + dev_dbg(dev, "base %x, regs %x", p_dev->config_base, + p_dev->config_regs); } else { dev_printk(KERN_INFO, dev, "pcmcia: could not parse base and rmask0 of CIS\n"); - p_dev->conf.ConfigBase = 0; - p_dev->conf.Present = 0; + p_dev->config_base = 0; + p_dev->config_regs = 0; } ret = p_drv->probe(p_dev); if (ret) { dev_dbg(dev, "binding to %s failed with %d\n", - p_drv->drv.name, ret); + p_drv->name, ret); goto put_module; } - - if (did && (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) && + dev_dbg(dev, "%s bound: Vpp %d.%d, idx %x, IRQ %d", p_drv->name, + p_dev->vpp/10, p_dev->vpp%10, p_dev->config_index, p_dev->irq); + dev_dbg(dev, "resources: ioport %pR %pR iomem %pR %pR %pR", + p_dev->resource[0], p_dev->resource[1], p_dev->resource[2], + p_dev->resource[3], p_dev->resource[4]); + + mutex_lock(&s->ops_mutex); + if ((s->pcmcia_pfc) && (p_dev->socket->device_count == 1) && (p_dev->device_no == 0)) - pcmcia_add_device_later(p_dev->socket, 0); + pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY); + mutex_unlock(&s->ops_mutex); put_module: if (ret) @@ -336,26 +325,26 @@ static void pcmcia_card_remove(struct pcmcia_socket *s, struct pcmcia_device *le { struct pcmcia_device *p_dev; struct pcmcia_device *tmp; - unsigned long flags; dev_dbg(leftover ? &leftover->dev : &s->dev, "pcmcia_card_remove(%d) %s\n", s->sock, leftover ? leftover->devname : ""); + mutex_lock(&s->ops_mutex); if (!leftover) s->device_count = 0; else s->device_count = 1; + mutex_unlock(&s->ops_mutex); /* unregister all pcmcia_devices registered with this socket, except leftover */ list_for_each_entry_safe(p_dev, tmp, &s->devices_list, socket_device_list) { if (p_dev == leftover) continue; - spin_lock_irqsave(&pcmcia_dev_list_lock, flags); + mutex_lock(&s->ops_mutex); list_del(&p_dev->socket_device_list); - p_dev->_removed = 1; - spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); + mutex_unlock(&s->ops_mutex); dev_dbg(&p_dev->dev, "unregistering device\n"); device_unregister(&p_dev->dev); @@ -368,7 +357,6 @@ static int pcmcia_device_remove(struct device *dev) { struct pcmcia_device *p_dev; struct pcmcia_driver *p_drv; - struct pcmcia_device_id *did; int i; p_dev = to_pcmcia_dev(dev); @@ -380,9 +368,8 @@ static int pcmcia_device_remove(struct device *dev) * pseudo multi-function card, we need to unbind * all devices */ - did = dev_get_drvdata(&p_dev->dev); - if (did && (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) && - (p_dev->socket->device_count != 0) && + if ((p_dev->socket->pcmcia_pfc) && + (p_dev->socket->device_count > 0) && (p_dev->device_no == 0)) pcmcia_card_remove(p_dev->socket, p_dev); @@ -393,19 +380,17 @@ static int pcmcia_device_remove(struct device *dev) if (p_drv->remove) p_drv->remove(p_dev); - p_dev->dev_node = NULL; - /* check for proper unloading */ if (p_dev->_irq || p_dev->_io || p_dev->_locked) dev_printk(KERN_INFO, dev, "pcmcia: driver %s did not release config properly\n", - p_drv->drv.name); + p_drv->name); for (i = 0; i < MAX_WIN; i++) if (p_dev->_win & CLIENT_WIN_REQ(i)) dev_printk(KERN_INFO, dev, "pcmcia: driver %s did not release window properly\n", - p_drv->drv.name); + p_drv->name); /* references from pcmcia_probe_device */ pcmcia_put_dev(p_dev); @@ -431,16 +416,20 @@ static int pcmcia_device_query(struct pcmcia_device *p_dev) if (!pccard_read_tuple(p_dev->socket, BIND_FN_ALL, CISTPL_MANFID, &manf_id)) { + mutex_lock(&p_dev->socket->ops_mutex); p_dev->manf_id = manf_id.manf; p_dev->card_id = manf_id.card; p_dev->has_manf_id = 1; p_dev->has_card_id = 1; + mutex_unlock(&p_dev->socket->ops_mutex); } if (!pccard_read_tuple(p_dev->socket, p_dev->func, CISTPL_FUNCID, &func_id)) { + mutex_lock(&p_dev->socket->ops_mutex); p_dev->func_id = func_id.func; p_dev->has_func_id = 1; + mutex_unlock(&p_dev->socket->ops_mutex); } else { /* rule of thumb: cards with no FUNCID, but with * common memory device geometry information, are @@ -457,17 +446,21 @@ static int pcmcia_device_query(struct pcmcia_device *p_dev) dev_dbg(&p_dev->dev, "mem device geometry probably means " "FUNCID_MEMORY\n"); + mutex_lock(&p_dev->socket->ops_mutex); p_dev->func_id = CISTPL_FUNCID_MEMORY; p_dev->has_func_id = 1; + mutex_unlock(&p_dev->socket->ops_mutex); } kfree(devgeo); } if (!pccard_read_tuple(p_dev->socket, BIND_FN_ALL, CISTPL_VERS_1, vers1)) { + mutex_lock(&p_dev->socket->ops_mutex); for (i = 0; i < min_t(unsigned int, 4, vers1->ns); i++) { char *tmp; unsigned int length; + char *new; tmp = vers1->str + vers1->ofs[i]; @@ -475,14 +468,17 @@ static int pcmcia_device_query(struct pcmcia_device *p_dev) if ((length < 2) || (length > 255)) continue; - p_dev->prod_id[i] = kmalloc(sizeof(char) * length, - GFP_KERNEL); - if (!p_dev->prod_id[i]) + new = kmalloc(sizeof(char) * length, GFP_KERNEL); + if (!new) continue; - p_dev->prod_id[i] = strncpy(p_dev->prod_id[i], - tmp, length); + new = strncpy(new, tmp, length); + + tmp = p_dev->prod_id[i]; + p_dev->prod_id[i] = new; + kfree(tmp); } + mutex_unlock(&p_dev->socket->ops_mutex); } kfree(vers1); @@ -490,38 +486,35 @@ static int pcmcia_device_query(struct pcmcia_device *p_dev) } -/* device_add_lock is needed to avoid double registration by cardmgr and kernel. - * Serializes pcmcia_device_add; will most likely be removed in future. - * - * While it has the caveat that adding new PCMCIA devices inside(!) device_register() - * won't work, this doesn't matter much at the moment: the driver core doesn't - * support it either. - */ -static DEFINE_MUTEX(device_add_lock); - -struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, unsigned int function) +static struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, + unsigned int function) { struct pcmcia_device *p_dev, *tmp_dev; - unsigned long flags; + int i; s = pcmcia_get_socket(s); if (!s) return NULL; - mutex_lock(&device_add_lock); - pr_debug("adding device to %d, function %d\n", s->sock, function); - /* max of 4 devices per card */ - if (s->device_count == 4) - goto err_put; - p_dev = kzalloc(sizeof(struct pcmcia_device), GFP_KERNEL); if (!p_dev) goto err_put; - p_dev->socket = s; + mutex_lock(&s->ops_mutex); p_dev->device_no = (s->device_count++); + mutex_unlock(&s->ops_mutex); + + /* max of 2 PFC devices */ + if ((p_dev->device_no >= 2) && (function == 0)) + goto err_free; + + /* max of 4 devices overall */ + if (p_dev->device_no >= 4) + goto err_free; + + p_dev->socket = s; p_dev->func = function; p_dev->dev.bus = &pcmcia_bus_type; @@ -538,17 +531,16 @@ struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, unsigned int fu goto err_free; dev_dbg(&p_dev->dev, "devname is %s\n", p_dev->devname); - spin_lock_irqsave(&pcmcia_dev_list_lock, flags); + mutex_lock(&s->ops_mutex); /* * p_dev->function_config must be the same for all card functions. - * Note that this is serialized by the device_add_lock, so that - * only one such struct will be created. + * Note that this is serialized by ops_mutex, so that only one + * such struct will be created. */ list_for_each_entry(tmp_dev, &s->devices_list, socket_device_list) if (p_dev->func == tmp_dev->func) { p_dev->function_config = tmp_dev->function_config; - p_dev->io = tmp_dev->io; p_dev->irq = tmp_dev->irq; kref_get(&p_dev->function_config->ref); } @@ -556,41 +548,62 @@ struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, unsigned int fu /* Add to the list in pcmcia_bus_socket */ list_add(&p_dev->socket_device_list, &s->devices_list); - spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); + if (pcmcia_setup_irq(p_dev)) + dev_warn(&p_dev->dev, + "IRQ setup failed -- device might not work\n"); if (!p_dev->function_config) { + config_t *c; dev_dbg(&p_dev->dev, "creating config_t\n"); - p_dev->function_config = kzalloc(sizeof(struct config_t), - GFP_KERNEL); - if (!p_dev->function_config) + c = kzalloc(sizeof(struct config_t), GFP_KERNEL); + if (!c) { + mutex_unlock(&s->ops_mutex); goto err_unreg; - kref_init(&p_dev->function_config->ref); + } + p_dev->function_config = c; + kref_init(&c->ref); + for (i = 0; i < MAX_IO_WIN; i++) { + c->io[i].name = p_dev->devname; + c->io[i].flags = IORESOURCE_IO; + } + for (i = 0; i< MAX_WIN; i++) { + c->mem[i].name = p_dev->devname; + c->mem[i].flags = IORESOURCE_MEM; + } } + for (i = 0; i < MAX_IO_WIN; i++) + p_dev->resource[i] = &p_dev->function_config->io[i]; + for (; i < (MAX_IO_WIN + MAX_WIN); i++) + p_dev->resource[i] = &p_dev->function_config->mem[i-MAX_IO_WIN]; + + mutex_unlock(&s->ops_mutex); dev_printk(KERN_NOTICE, &p_dev->dev, - "pcmcia: registering new device %s\n", - p_dev->devname); + "pcmcia: registering new device %s (IRQ: %d)\n", + p_dev->devname, p_dev->irq); pcmcia_device_query(p_dev); if (device_register(&p_dev->dev)) goto err_unreg; - mutex_unlock(&device_add_lock); - return p_dev; err_unreg: - spin_lock_irqsave(&pcmcia_dev_list_lock, flags); + mutex_lock(&s->ops_mutex); list_del(&p_dev->socket_device_list); - spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); + mutex_unlock(&s->ops_mutex); err_free: + mutex_lock(&s->ops_mutex); + s->device_count--; + mutex_unlock(&s->ops_mutex); + + for (i = 0; i < 4; i++) + kfree(p_dev->prod_id[i]); kfree(p_dev->devname); kfree(p_dev); - s->device_count--; err_put: - mutex_unlock(&device_add_lock); pcmcia_put_socket(s); return NULL; @@ -601,19 +614,23 @@ static int pcmcia_card_add(struct pcmcia_socket *s) { cistpl_longlink_mfc_t mfc; unsigned int no_funcs, i, no_chains; - int ret = 0; + int ret = -EAGAIN; + mutex_lock(&s->ops_mutex); if (!(s->resource_setup_done)) { dev_dbg(&s->dev, "no resources available, delaying card_add\n"); + mutex_unlock(&s->ops_mutex); return -EAGAIN; /* try again, but later... */ } if (pcmcia_validate_mem(s)) { dev_dbg(&s->dev, "validating mem resources failed, " "delaying card_add\n"); + mutex_unlock(&s->ops_mutex); return -EAGAIN; /* try again, but later... */ } + mutex_unlock(&s->ops_mutex); ret = pccard_validate_cis(s, &no_chains); if (ret || !no_chains) { @@ -634,17 +651,7 @@ static int pcmcia_card_add(struct pcmcia_socket *s) } -static void pcmcia_delayed_add_device(struct work_struct *work) -{ - struct pcmcia_socket *s = - container_of(work, struct pcmcia_socket, device_add); - dev_dbg(&s->dev, "adding additional device to %d\n", s->sock); - pcmcia_device_add(s, s->pcmcia_state.mfc_pfc); - s->pcmcia_state.device_add_pending = 0; - s->pcmcia_state.mfc_pfc = 0; -} - -static int pcmcia_requery(struct device *dev, void * _data) +static int pcmcia_requery_callback(struct device *dev, void * _data) { struct pcmcia_device *p_dev = to_pcmcia_dev(dev); if (!p_dev->dev.driver) { @@ -655,45 +662,59 @@ static int pcmcia_requery(struct device *dev, void * _data) return 0; } -static void pcmcia_bus_rescan(struct pcmcia_socket *skt, int new_cis) -{ - int no_devices = 0; - int ret = 0; - unsigned long flags; - - /* must be called with skt_mutex held */ - dev_dbg(&skt->dev, "re-scanning socket %d\n", skt->sock); - - spin_lock_irqsave(&pcmcia_dev_list_lock, flags); - if (list_empty(&skt->devices_list)) - no_devices = 1; - spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); - /* If this is because of a CIS override, start over */ - if (new_cis && !no_devices) - pcmcia_card_remove(skt, NULL); +static void pcmcia_requery(struct pcmcia_socket *s) +{ + int has_pfc; - /* if no devices were added for this socket yet because of - * missing resource information or other trouble, we need to - * do this now. */ - if (no_devices || new_cis) { - ret = pcmcia_card_add(skt); - if (ret) - return; + if (s->functions == 0) { + pcmcia_card_add(s); + return; } /* some device information might have changed because of a CIS * update or because we can finally read it correctly... so * determine it again, overwriting old values if necessary. */ - bus_for_each_dev(&pcmcia_bus_type, NULL, NULL, pcmcia_requery); + bus_for_each_dev(&pcmcia_bus_type, NULL, NULL, pcmcia_requery_callback); + + /* if the CIS changed, we need to check whether the number of + * functions changed. */ + if (s->fake_cis) { + int old_funcs, new_funcs; + cistpl_longlink_mfc_t mfc; + + /* does this cis override add or remove functions? */ + old_funcs = s->functions; + + if (!pccard_read_tuple(s, BIND_FN_ALL, CISTPL_LONGLINK_MFC, + &mfc)) + new_funcs = mfc.nfn; + else + new_funcs = 1; + if (old_funcs != new_funcs) { + /* we need to re-start */ + pcmcia_card_remove(s, NULL); + s->functions = 0; + pcmcia_card_add(s); + } + } + + /* If the PCMCIA device consists of two pseudo devices, + * call pcmcia_device_add() -- which will fail if both + * devices are already registered. */ + mutex_lock(&s->ops_mutex); + has_pfc = s->pcmcia_pfc; + mutex_unlock(&s->ops_mutex); + if (has_pfc) + pcmcia_device_add(s, 0); /* we re-scan all devices, not just the ones connected to this * socket. This does not matter, though. */ - ret = bus_rescan_devices(&pcmcia_bus_type); - if (ret) - printk(KERN_INFO "pcmcia: bus_rescan_devices failed\n"); + if (bus_rescan_devices(&pcmcia_bus_type)) + dev_warn(&s->dev, "rescanning the bus failed\n"); } + #ifdef CONFIG_PCMCIA_LOAD_CIS /** @@ -710,9 +731,8 @@ static int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename) struct pcmcia_socket *s = dev->socket; const struct firmware *fw; int ret = -ENOMEM; - int no_funcs; - int old_funcs; cistpl_longlink_mfc_t mfc; + int old_funcs, new_funcs = 1; if (!filename) return -EINVAL; @@ -735,23 +755,20 @@ static int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename) goto release; } + /* we need to re-start if the number of functions changed */ + old_funcs = s->functions; + if (!pccard_read_tuple(s, BIND_FN_ALL, CISTPL_LONGLINK_MFC, + &mfc)) + new_funcs = mfc.nfn; + + if (old_funcs != new_funcs) + ret = -EBUSY; /* update information */ pcmcia_device_query(dev); - /* does this cis override add or remove functions? */ - old_funcs = s->functions; - - if (!pccard_read_tuple(s, BIND_FN_ALL, CISTPL_LONGLINK_MFC, &mfc)) - no_funcs = mfc.nfn; - else - no_funcs = 1; - s->functions = no_funcs; - - if (old_funcs > no_funcs) - pcmcia_card_remove(s, dev); - else if (no_funcs > old_funcs) - pcmcia_add_device_later(s, 1); + /* requery (as number of functions might have changed) */ + pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY); } release: release_firmware(fw); @@ -770,7 +787,7 @@ static inline int pcmcia_load_firmware(struct pcmcia_device *dev, char * filenam static inline int pcmcia_devmatch(struct pcmcia_device *dev, - struct pcmcia_device_id *did) + const struct pcmcia_device_id *did) { if (did->match_flags & PCMCIA_DEV_ID_MATCH_MANF_ID) { if ((!dev->has_manf_id) || (dev->manf_id != did->manf_id)) @@ -816,17 +833,23 @@ static inline int pcmcia_devmatch(struct pcmcia_device *dev, } if (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) { + dev_dbg(&dev->dev, "this is a pseudo-multi-function device\n"); + mutex_lock(&dev->socket->ops_mutex); + dev->socket->pcmcia_pfc = 1; + mutex_unlock(&dev->socket->ops_mutex); if (dev->device_no != did->device_no) return 0; } if (did->match_flags & PCMCIA_DEV_ID_MATCH_FUNC_ID) { + int ret; + if ((!dev->has_func_id) || (dev->func_id != did->func_id)) return 0; /* if this is a pseudo-multi-function device, * we need explicit matches */ - if (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) + if (dev->socket->pcmcia_pfc) return 0; if (dev->device_no) return 0; @@ -835,19 +858,22 @@ static inline int pcmcia_devmatch(struct pcmcia_device *dev, * after it has re-checked that there is no possible module * with a prod_id/manf_id/card_id match. */ - dev_dbg(&dev->dev, - "skipping FUNC_ID match until userspace interaction\n"); - if (!dev->allow_func_id_match) + mutex_lock(&dev->socket->ops_mutex); + ret = dev->allow_func_id_match; + mutex_unlock(&dev->socket->ops_mutex); + + if (!ret) { + dev_dbg(&dev->dev, + "skipping FUNC_ID match until userspace ACK\n"); return 0; + } } if (did->match_flags & PCMCIA_DEV_ID_MATCH_FAKE_CIS) { dev_dbg(&dev->dev, "device needs a fake CIS\n"); if (!dev->socket->fake_cis) - pcmcia_load_firmware(dev, did->cisfile); - - if (!dev->socket->fake_cis) - return 0; + if (pcmcia_load_firmware(dev, did->cisfile)) + return 0; } if (did->match_flags & PCMCIA_DEV_ID_MATCH_ANONYMOUS) { @@ -859,8 +885,6 @@ static inline int pcmcia_devmatch(struct pcmcia_device *dev, return 0; } - dev_set_drvdata(&dev->dev, did); - return 1; } @@ -869,28 +893,20 @@ static int pcmcia_bus_match(struct device *dev, struct device_driver *drv) { struct pcmcia_device *p_dev = to_pcmcia_dev(dev); struct pcmcia_driver *p_drv = to_pcmcia_drv(drv); - struct pcmcia_device_id *did = p_drv->id_table; + const struct pcmcia_device_id *did = p_drv->id_table; struct pcmcia_dynid *dynid; /* match dynamic devices first */ - spin_lock(&p_drv->dynids.lock); + mutex_lock(&p_drv->dynids.lock); list_for_each_entry(dynid, &p_drv->dynids.list, node) { dev_dbg(dev, "trying to match to %s\n", drv->name); if (pcmcia_devmatch(p_dev, &dynid->id)) { dev_dbg(dev, "matched to %s\n", drv->name); - spin_unlock(&p_drv->dynids.lock); + mutex_unlock(&p_drv->dynids.lock); return 1; } } - spin_unlock(&p_drv->dynids.lock); - -#ifdef CONFIG_PCMCIA_IOCTL - /* matching by cardmgr */ - if (p_dev->cardmgr == p_drv) { - dev_dbg(dev, "cardmgr matched to %s\n", drv->name); - return 1; - } -#endif + mutex_unlock(&p_drv->dynids.lock); while (did && did->match_flags) { dev_dbg(dev, "trying to match to %s\n", drv->name); @@ -904,8 +920,6 @@ static int pcmcia_bus_match(struct device *dev, struct device_driver *drv) return 0; } -#ifdef CONFIG_HOTPLUG - static int pcmcia_bus_uevent(struct device *dev, struct kobj_uevent_env *env) { struct pcmcia_device *p_dev; @@ -946,15 +960,6 @@ static int pcmcia_bus_uevent(struct device *dev, struct kobj_uevent_env *env) return 0; } -#else - -static int pcmcia_bus_uevent(struct device *dev, struct kobj_uevent_env *env) -{ - return -ENODEV; -} - -#endif - /************************ runtime PM support ***************************/ static int pcmcia_dev_suspend(struct device *dev, pm_message_t state); @@ -964,19 +969,20 @@ static int runtime_suspend(struct device *dev) { int rc; - down(&dev->sem); + device_lock(dev); rc = pcmcia_dev_suspend(dev, PMSG_SUSPEND); - up(&dev->sem); + device_unlock(dev); return rc; } -static void runtime_resume(struct device *dev) +static int runtime_resume(struct device *dev) { int rc; - down(&dev->sem); + device_lock(dev); rc = pcmcia_dev_resume(dev); - up(&dev->sem); + device_unlock(dev); + return rc; } /************************ per-device sysfs output ***************************/ @@ -986,16 +992,17 @@ static ssize_t field##_show (struct device *dev, struct device_attribute *attr, { \ struct pcmcia_device *p_dev = to_pcmcia_dev(dev); \ return p_dev->test ? sprintf(buf, format, p_dev->field) : -ENODEV; \ -} +} \ +static DEVICE_ATTR_RO(field); #define pcmcia_device_stringattr(name, field) \ static ssize_t name##_show (struct device *dev, struct device_attribute *attr, char *buf) \ { \ struct pcmcia_device *p_dev = to_pcmcia_dev(dev); \ return p_dev->field ? sprintf(buf, "%s\n", p_dev->field) : -ENODEV; \ -} +} \ +static DEVICE_ATTR_RO(name); -pcmcia_device_attr(func, socket, "0x%02x\n"); pcmcia_device_attr(func_id, has_func_id, "0x%02x\n"); pcmcia_device_attr(manf_id, has_manf_id, "0x%04x\n"); pcmcia_device_attr(card_id, has_card_id, "0x%04x\n"); @@ -1004,8 +1011,29 @@ pcmcia_device_stringattr(prod_id2, prod_id[1]); pcmcia_device_stringattr(prod_id3, prod_id[2]); pcmcia_device_stringattr(prod_id4, prod_id[3]); +static ssize_t function_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct pcmcia_device *p_dev = to_pcmcia_dev(dev); + return p_dev->socket ? sprintf(buf, "0x%02x\n", p_dev->func) : -ENODEV; +} +static DEVICE_ATTR_RO(function); + +static ssize_t resources_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct pcmcia_device *p_dev = to_pcmcia_dev(dev); + char *str = buf; + int i; + + for (i = 0; i < PCMCIA_NUM_RESOURCES; i++) + str += sprintf(str, "%pr\n", p_dev->resource[i]); + + return str - buf; +} +static DEVICE_ATTR_RO(resources); -static ssize_t pcmcia_show_pm_state(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t pm_state_show(struct device *dev, struct device_attribute *attr, char *buf) { struct pcmcia_device *p_dev = to_pcmcia_dev(dev); @@ -1015,8 +1043,8 @@ static ssize_t pcmcia_show_pm_state(struct device *dev, struct device_attribute return sprintf(buf, "on\n"); } -static ssize_t pcmcia_store_pm_state(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) +static ssize_t pm_state_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { struct pcmcia_device *p_dev = to_pcmcia_dev(dev); int ret = 0; @@ -1027,11 +1055,11 @@ static ssize_t pcmcia_store_pm_state(struct device *dev, struct device_attribute if ((!p_dev->suspended) && !strncmp(buf, "off", 3)) ret = runtime_suspend(dev); else if (p_dev->suspended && !strncmp(buf, "on", 2)) - runtime_resume(dev); + ret = runtime_resume(dev); return ret ? ret : count; } - +static DEVICE_ATTR_RW(pm_state); static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -1054,42 +1082,41 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, p_dev->func, p_dev->device_no, hash[0], hash[1], hash[2], hash[3]); } +static DEVICE_ATTR_RO(modalias); -static ssize_t pcmcia_store_allow_func_id_match(struct device *dev, +static ssize_t allow_func_id_match_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct pcmcia_device *p_dev = to_pcmcia_dev(dev); - int ret; if (!count) return -EINVAL; - mutex_lock(&p_dev->socket->skt_mutex); + mutex_lock(&p_dev->socket->ops_mutex); p_dev->allow_func_id_match = 1; - mutex_unlock(&p_dev->socket->skt_mutex); - - ret = bus_rescan_devices(&pcmcia_bus_type); - if (ret) - printk(KERN_INFO "pcmcia: bus_rescan_devices failed after " - "allowing func_id matches\n"); + mutex_unlock(&p_dev->socket->ops_mutex); + pcmcia_parse_uevents(p_dev->socket, PCMCIA_UEVENT_REQUERY); return count; } - -static struct device_attribute pcmcia_dev_attrs[] = { - __ATTR(function, 0444, func_show, NULL), - __ATTR(pm_state, 0644, pcmcia_show_pm_state, pcmcia_store_pm_state), - __ATTR_RO(func_id), - __ATTR_RO(manf_id), - __ATTR_RO(card_id), - __ATTR_RO(prod_id1), - __ATTR_RO(prod_id2), - __ATTR_RO(prod_id3), - __ATTR_RO(prod_id4), - __ATTR_RO(modalias), - __ATTR(allow_func_id_match, 0200, NULL, pcmcia_store_allow_func_id_match), - __ATTR_NULL, +static DEVICE_ATTR_WO(allow_func_id_match); + +static struct attribute *pcmcia_dev_attrs[] = { + &dev_attr_resources.attr, + &dev_attr_pm_state.attr, + &dev_attr_function.attr, + &dev_attr_func_id.attr, + &dev_attr_manf_id.attr, + &dev_attr_card_id.attr, + &dev_attr_prod_id1.attr, + &dev_attr_prod_id2.attr, + &dev_attr_prod_id3.attr, + &dev_attr_prod_id4.attr, + &dev_attr_modalias.attr, + &dev_attr_allow_func_id_match.attr, + NULL, }; +ATTRIBUTE_GROUPS(pcmcia_dev); /* PM support, also needed for reset */ @@ -1099,8 +1126,13 @@ static int pcmcia_dev_suspend(struct device *dev, pm_message_t state) struct pcmcia_driver *p_drv = NULL; int ret = 0; - if (p_dev->suspended) + mutex_lock(&p_dev->socket->ops_mutex); + if (p_dev->suspended) { + mutex_unlock(&p_dev->socket->ops_mutex); return 0; + } + p_dev->suspended = 1; + mutex_unlock(&p_dev->socket->ops_mutex); dev_dbg(dev, "suspending\n"); @@ -1116,7 +1148,10 @@ static int pcmcia_dev_suspend(struct device *dev, pm_message_t state) dev_printk(KERN_ERR, dev, "pcmcia: device %s (driver %s) did " "not want to go to sleep (%d)\n", - p_dev->devname, p_drv->drv.name, ret); + p_dev->devname, p_drv->name, ret); + mutex_lock(&p_dev->socket->ops_mutex); + p_dev->suspended = 0; + mutex_unlock(&p_dev->socket->ops_mutex); goto out; } } @@ -1127,8 +1162,6 @@ static int pcmcia_dev_suspend(struct device *dev, pm_message_t state) } out: - if (!ret) - p_dev->suspended = 1; return ret; } @@ -1139,8 +1172,13 @@ static int pcmcia_dev_resume(struct device *dev) struct pcmcia_driver *p_drv = NULL; int ret = 0; - if (!p_dev->suspended) + mutex_lock(&p_dev->socket->ops_mutex); + if (!p_dev->suspended) { + mutex_unlock(&p_dev->socket->ops_mutex); return 0; + } + p_dev->suspended = 0; + mutex_unlock(&p_dev->socket->ops_mutex); dev_dbg(dev, "resuming\n"); @@ -1152,7 +1190,7 @@ static int pcmcia_dev_resume(struct device *dev) if (p_dev->device_no == p_dev->func) { dev_dbg(dev, "requesting configuration\n"); - ret = pcmcia_request_configuration(p_dev, &p_dev->conf); + ret = pcmcia_enable_device(p_dev); if (ret) goto out; } @@ -1161,8 +1199,6 @@ static int pcmcia_dev_resume(struct device *dev) ret = p_drv->resume(p_dev); out: - if (!ret) - p_dev->suspended = 0; return ret; } @@ -1209,63 +1245,63 @@ static int pcmcia_bus_suspend(struct pcmcia_socket *skt) return 0; } +static int pcmcia_bus_remove(struct pcmcia_socket *skt) +{ + atomic_set(&skt->present, 0); + pcmcia_card_remove(skt, NULL); -/*====================================================================== - - The card status event handler. - -======================================================================*/ + mutex_lock(&skt->ops_mutex); + destroy_cis_cache(skt); + pcmcia_cleanup_irq(skt); + mutex_unlock(&skt->ops_mutex); -/* Normally, the event is passed to individual drivers after - * informing userspace. Only for CS_EVENT_CARD_REMOVAL this - * is inversed to maintain historic compatibility. - */ + return 0; +} -static int ds_event(struct pcmcia_socket *skt, event_t event, int priority) +static int pcmcia_bus_add(struct pcmcia_socket *skt) { - struct pcmcia_socket *s = pcmcia_get_socket(skt); + atomic_set(&skt->present, 1); - if (!s) { - dev_printk(KERN_ERR, &skt->dev, - "PCMCIA obtaining reference to socket " \ - "failed, event 0x%x lost!\n", event); - return -ENODEV; - } + mutex_lock(&skt->ops_mutex); + skt->pcmcia_pfc = 0; + destroy_cis_cache(skt); /* to be on the safe side... */ + mutex_unlock(&skt->ops_mutex); - dev_dbg(&skt->dev, "ds_event(0x%06x, %d, 0x%p)\n", - event, priority, skt); + pcmcia_card_add(skt); - switch (event) { - case CS_EVENT_CARD_REMOVAL: - s->pcmcia_state.present = 0; - pcmcia_card_remove(skt, NULL); - handle_event(skt, event); - break; + return 0; +} - case CS_EVENT_CARD_INSERTION: - s->pcmcia_state.present = 1; - pcmcia_card_add(skt); - handle_event(skt, event); - break; +static int pcmcia_bus_early_resume(struct pcmcia_socket *skt) +{ + if (!verify_cis_cache(skt)) + return 0; - case CS_EVENT_EJECTION_REQUEST: - break; + dev_dbg(&skt->dev, "cis mismatch - different card\n"); - case CS_EVENT_PM_SUSPEND: - case CS_EVENT_PM_RESUME: - case CS_EVENT_RESET_PHYSICAL: - case CS_EVENT_CARD_RESET: - default: - handle_event(skt, event); - break; - } + /* first, remove the card */ + pcmcia_bus_remove(skt); - pcmcia_put_socket(s); + mutex_lock(&skt->ops_mutex); + destroy_cis_cache(skt); + kfree(skt->fake_cis); + skt->fake_cis = NULL; + skt->functions = 0; + mutex_unlock(&skt->ops_mutex); - return 0; -} /* ds_event */ + /* now, add the new card */ + pcmcia_bus_add(skt); + return 0; +} +/* + * NOTE: This is racy. There's no guarantee the card will still be + * physically present, even if the call to this function returns + * non-NULL. Furthermore, the device driver most likely is unbound + * almost immediately, so the timeframe where pcmcia_dev_present + * returns NULL is probably really really small. + */ struct pcmcia_device *pcmcia_dev_present(struct pcmcia_device *_p_dev) { struct pcmcia_device *p_dev; @@ -1275,17 +1311,9 @@ struct pcmcia_device *pcmcia_dev_present(struct pcmcia_device *_p_dev) if (!p_dev) return NULL; - if (!p_dev->socket->pcmcia_state.present) - goto out; + if (atomic_read(&p_dev->socket->present) != 0) + ret = p_dev; - if (p_dev->_removed) - goto out; - - if (p_dev->suspended) - goto out; - - ret = p_dev; - out: pcmcia_put_dev(p_dev); return ret; } @@ -1294,13 +1322,16 @@ EXPORT_SYMBOL(pcmcia_dev_present); static struct pcmcia_callback pcmcia_bus_callback = { .owner = THIS_MODULE, - .event = ds_event, - .requery = pcmcia_bus_rescan, + .add = pcmcia_bus_add, + .remove = pcmcia_bus_remove, + .requery = pcmcia_requery, + .validate = pccard_validate_cis, .suspend = pcmcia_bus_suspend, + .early_resume = pcmcia_bus_early_resume, .resume = pcmcia_bus_resume, }; -static int __devinit pcmcia_bus_add_socket(struct device *dev, +static int pcmcia_bus_add_socket(struct device *dev, struct class_interface *class_intf) { struct pcmcia_socket *socket = dev_get_drvdata(dev); @@ -1313,19 +1344,17 @@ static int __devinit pcmcia_bus_add_socket(struct device *dev, return -ENODEV; } - /* - * Ugly. But we want to wait for the socket threads to have started up. - * We really should let the drivers themselves drive some of this.. - */ - msleep(250); + ret = sysfs_create_bin_file(&dev->kobj, &pccard_cis_attr); + if (ret) { + dev_printk(KERN_ERR, dev, "PCMCIA registration failed\n"); + pcmcia_put_socket(socket); + return ret; + } -#ifdef CONFIG_PCMCIA_IOCTL - init_waitqueue_head(&socket->queue); -#endif INIT_LIST_HEAD(&socket->devices_list); - INIT_WORK(&socket->device_add, pcmcia_delayed_add_device); - memset(&socket->pcmcia_state, 0, sizeof(u8)); + socket->pcmcia_pfc = 0; socket->device_count = 0; + atomic_set(&socket->present, 0); ret = pccard_register_pcmcia(socket, &pcmcia_bus_callback); if (ret) { @@ -1345,14 +1374,16 @@ static void pcmcia_bus_remove_socket(struct device *dev, if (!socket) return; - socket->pcmcia_state.dead = 1; pccard_register_pcmcia(socket, NULL); /* unregister any unbound devices */ mutex_lock(&socket->skt_mutex); pcmcia_card_remove(socket, NULL); + release_cis_mem(socket); mutex_unlock(&socket->skt_mutex); + sysfs_remove_bin_file(&dev->kobj, &pccard_cis_attr); + pcmcia_put_socket(socket); return; @@ -1371,7 +1402,7 @@ struct bus_type pcmcia_bus_type = { .name = "pcmcia", .uevent = pcmcia_bus_uevent, .match = pcmcia_bus_match, - .dev_attrs = pcmcia_dev_attrs, + .dev_groups = pcmcia_dev_groups, .probe = pcmcia_device_probe, .remove = pcmcia_device_remove, .suspend = pcmcia_dev_suspend, @@ -1383,8 +1414,6 @@ static int __init init_pcmcia_bus(void) { int ret; - spin_lock_init(&pcmcia_dev_list_lock); - ret = bus_register(&pcmcia_bus_type); if (ret < 0) { printk(KERN_WARNING "pcmcia: bus_register error: %d\n", ret); @@ -1398,8 +1427,6 @@ static int __init init_pcmcia_bus(void) return ret; } - pcmcia_setup_ioctl(); - return 0; } fs_initcall(init_pcmcia_bus); /* one level after subsys_initcall so that @@ -1408,8 +1435,6 @@ fs_initcall(init_pcmcia_bus); /* one level after subsys_initcall so that static void __exit exit_pcmcia_bus(void) { - pcmcia_cleanup_ioctl(); - class_interface_unregister(&pcmcia_bus_interface); bus_unregister(&pcmcia_bus_type); diff --git a/drivers/pcmcia/electra_cf.c b/drivers/pcmcia/electra_cf.c index d187ba4c5e0..5ea64d0f61a 100644 --- a/drivers/pcmcia/electra_cf.c +++ b/drivers/pcmcia/electra_cf.c @@ -30,7 +30,10 @@ #include <linux/interrupt.h> #include <linux/mm.h> #include <linux/vmalloc.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> #include <linux/of_platform.h> +#include <linux/slab.h> #include <pcmcia/ss.h> @@ -43,7 +46,7 @@ struct electra_cf_socket { unsigned present:1; unsigned active:1; - struct of_device *ofdev; + struct platform_device *ofdev; unsigned long mem_phys; void __iomem * mem_base; unsigned long mem_size; @@ -180,11 +183,10 @@ static struct pccard_operations electra_cf_ops = { .set_mem_map = electra_cf_set_mem_map, }; -static int __devinit electra_cf_probe(struct of_device *ofdev, - const struct of_device_id *match) +static int electra_cf_probe(struct platform_device *ofdev) { struct device *device = &ofdev->dev; - struct device_node *np = ofdev->node; + struct device_node *np = ofdev->dev.of_node; struct electra_cf_socket *cf; struct resource mem, io; int status; @@ -209,9 +211,9 @@ static int __devinit electra_cf_probe(struct of_device *ofdev, cf->ofdev = ofdev; cf->mem_phys = mem.start; - cf->mem_size = PAGE_ALIGN(mem.end - mem.start); + cf->mem_size = PAGE_ALIGN(resource_size(&mem)); cf->mem_base = ioremap(cf->mem_phys, cf->mem_size); - cf->io_size = PAGE_ALIGN(io.end - io.start); + cf->io_size = PAGE_ALIGN(resource_size(&io)); area = __get_vm_area(cf->io_size, 0, PHB_IO_BASE, PHB_IO_END); if (area == NULL) @@ -324,7 +326,7 @@ fail1: } -static int __devexit electra_cf_remove(struct of_device *ofdev) +static int electra_cf_remove(struct platform_device *ofdev) { struct device *device = &ofdev->dev; struct electra_cf_socket *cf; @@ -347,7 +349,7 @@ static int __devexit electra_cf_remove(struct of_device *ofdev) return 0; } -static struct of_device_id electra_cf_match[] = { +static const struct of_device_id electra_cf_match[] = { { .compatible = "electra-cf", }, @@ -355,24 +357,17 @@ static struct of_device_id electra_cf_match[] = { }; MODULE_DEVICE_TABLE(of, electra_cf_match); -static struct of_platform_driver electra_cf_driver = { - .name = (char *)driver_name, - .match_table = electra_cf_match, +static struct platform_driver electra_cf_driver = { + .driver = { + .name = driver_name, + .owner = THIS_MODULE, + .of_match_table = electra_cf_match, + }, .probe = electra_cf_probe, .remove = electra_cf_remove, }; -static int __init electra_cf_init(void) -{ - return of_register_platform_driver(&electra_cf_driver); -} -module_init(electra_cf_init); - -static void __exit electra_cf_exit(void) -{ - of_unregister_platform_driver(&electra_cf_driver); -} -module_exit(electra_cf_exit); +module_platform_driver(electra_cf_driver); MODULE_LICENSE("GPL"); MODULE_AUTHOR ("Olof Johansson <olof@lixom.net>"); diff --git a/drivers/pcmcia/i82092.c b/drivers/pcmcia/i82092.c index a04f21c8170..7d47456429a 100644 --- a/drivers/pcmcia/i82092.c +++ b/drivers/pcmcia/i82092.c @@ -15,11 +15,8 @@ #include <linux/interrupt.h> #include <linux/device.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> -#include <asm/system.h> #include <asm/io.h> #include "i82092aa.h" @@ -28,38 +25,17 @@ MODULE_LICENSE("GPL"); /* PCI core routines */ -static struct pci_device_id i82092aa_pci_ids[] = { - { - .vendor = PCI_VENDOR_ID_INTEL, - .device = PCI_DEVICE_ID_INTEL_82092AA_0, - .subvendor = PCI_ANY_ID, - .subdevice = PCI_ANY_ID, - }, - {} +static DEFINE_PCI_DEVICE_TABLE(i82092aa_pci_ids) = { + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82092AA_0) }, + { } }; MODULE_DEVICE_TABLE(pci, i82092aa_pci_ids); -#ifdef CONFIG_PM -static int i82092aa_socket_suspend (struct pci_dev *dev, pm_message_t state) -{ - return pcmcia_socket_dev_suspend(&dev->dev); -} - -static int i82092aa_socket_resume (struct pci_dev *dev) -{ - return pcmcia_socket_dev_resume(&dev->dev); -} -#endif - static struct pci_driver i82092aa_pci_driver = { .name = "i82092aa", .id_table = i82092aa_pci_ids, .probe = i82092aa_pci_probe, - .remove = __devexit_p(i82092aa_pci_remove), -#ifdef CONFIG_PM - .suspend = i82092aa_socket_suspend, - .resume = i82092aa_socket_resume, -#endif + .remove = i82092aa_pci_remove, }; @@ -72,7 +48,7 @@ static struct pccard_operations i82092aa_operations = { .set_mem_map = i82092aa_set_mem_map, }; -/* The card can do upto 4 sockets, allocate a structure for each of them */ +/* The card can do up to 4 sockets, allocate a structure for each of them */ struct socket_info { int number; @@ -91,7 +67,7 @@ static struct socket_info sockets[MAX_SOCKETS]; static int socket_count; /* shortcut */ -static int __devinit i82092aa_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) +static int i82092aa_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) { unsigned char configbyte; int i, ret; @@ -133,6 +109,7 @@ static int __devinit i82092aa_pci_probe(struct pci_dev *dev, const struct pci_de sockets[i].socket.map_size = 0x1000; sockets[i].socket.irq_mask = 0; sockets[i].socket.pci_irq = dev->irq; + sockets[i].socket.cb_dev = dev; sockets[i].socket.owner = THIS_MODULE; sockets[i].number = i; @@ -156,8 +133,6 @@ static int __devinit i82092aa_pci_probe(struct pci_dev *dev, const struct pci_de goto err_out_free_res; } - pci_set_drvdata(dev, &sockets[i].socket); - for (i = 0; i<socket_count; i++) { sockets[i].socket.dev.parent = &dev->dev; sockets[i].socket.ops = &i82092aa_operations; @@ -185,16 +160,16 @@ err_out_disable: return ret; } -static void __devexit i82092aa_pci_remove(struct pci_dev *dev) +static void i82092aa_pci_remove(struct pci_dev *dev) { - struct pcmcia_socket *socket = pci_get_drvdata(dev); + int i; enter("i82092aa_pci_remove"); free_irq(dev->irq, i82092aa_interrupt); - if (socket) - pcmcia_unregister_socket(socket); + for (i = 0; i < socket_count; i++) + pcmcia_unregister_socket(&sockets[i].socket); leave("i82092aa_pci_remove"); } @@ -633,7 +608,7 @@ static int i82092aa_set_mem_map(struct pcmcia_socket *socket, struct pccard_mem_ enter("i82092aa_set_mem_map"); - pcibios_resource_to_bus(sock_info->dev, ®ion, mem->res); + pcibios_resource_to_bus(sock_info->dev->bus, ®ion, mem->res); map = mem->map; if (map > 4) { diff --git a/drivers/pcmcia/i82365.c b/drivers/pcmcia/i82365.c index c13fd936051..e6f3d17dd2b 100644 --- a/drivers/pcmcia/i82365.c +++ b/drivers/pcmcia/i82365.c @@ -40,7 +40,6 @@ #include <linux/kernel.h> #include <linux/errno.h> #include <linux/timer.h> -#include <linux/slab.h> #include <linux/ioport.h> #include <linux/delay.h> #include <linux/workqueue.h> @@ -49,11 +48,8 @@ #include <linux/bitops.h> #include <asm/irq.h> #include <asm/io.h> -#include <asm/system.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include <linux/isapnp.h> @@ -1223,16 +1219,7 @@ static int pcic_init(struct pcmcia_socket *s) return 0; } -static int i82365_drv_pcmcia_suspend(struct platform_device *dev, - pm_message_t state) -{ - return pcmcia_socket_dev_suspend(&dev->dev); -} -static int i82365_drv_pcmcia_resume(struct platform_device *dev) -{ - return pcmcia_socket_dev_resume(&dev->dev); -} static struct pccard_operations pcic_operations = { .init = pcic_init, .get_status = pcic_get_status, @@ -1248,8 +1235,6 @@ static struct platform_driver i82365_driver = { .name = "i82365", .owner = THIS_MODULE, }, - .suspend = i82365_drv_pcmcia_suspend, - .resume = i82365_drv_pcmcia_resume, }; static struct platform_device *i82365_device; diff --git a/drivers/pcmcia/i82365.h b/drivers/pcmcia/i82365.h index 622860c689d..3f84d7a2dc8 100644 --- a/drivers/pcmcia/i82365.h +++ b/drivers/pcmcia/i82365.h @@ -77,8 +77,8 @@ #define I365_VPP2_5V 0x04 /* Vpp2 = 5.0v */ #define I365_VPP2_12V 0x08 /* Vpp2 = 12.0v */ #define I365_VPP1_MASK 0x03 /* Mask for turning off Vpp1 */ -#define I365_VPP1_5V 0x01 /* Vpp2 = 5.0v */ -#define I365_VPP1_12V 0x02 /* Vpp2 = 12.0v */ +#define I365_VPP1_5V 0x01 /* Vpp1 = 5.0v */ +#define I365_VPP1_12V 0x02 /* Vpp1 = 12.0v */ /* Flags for I365_INTCTL */ #define I365_RING_ENA 0x80 @@ -95,6 +95,7 @@ #define I365_CSC_DETECT 0x08 #define I365_CSC_ANY 0x0F #define I365_CSC_GPI 0x10 +#define I365_CSC_IRQ_MASK 0xF0 /* Flags for I365_ADDRWIN */ #define I365_ENA_IO(map) (0x40 << (map)) diff --git a/drivers/pcmcia/m32r_cfc.c b/drivers/pcmcia/m32r_cfc.c index 26a621c9e2f..a26f38c6402 100644 --- a/drivers/pcmcia/m32r_cfc.c +++ b/drivers/pcmcia/m32r_cfc.c @@ -16,7 +16,6 @@ #include <linux/kernel.h> #include <linux/errno.h> #include <linux/timer.h> -#include <linux/slab.h> #include <linux/ioport.h> #include <linux/delay.h> #include <linux/workqueue.h> @@ -25,11 +24,8 @@ #include <linux/bitops.h> #include <asm/irq.h> #include <asm/io.h> -#include <asm/system.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #undef MAX_IO_WIN /* FIXME */ #define MAX_IO_WIN 1 @@ -685,16 +681,7 @@ static struct pccard_operations pcc_operations = { .set_mem_map = pcc_set_mem_map, }; -static int cfc_drv_pcmcia_suspend(struct platform_device *dev, - pm_message_t state) -{ - return pcmcia_socket_dev_suspend(&dev->dev); -} -static int cfc_drv_pcmcia_resume(struct platform_device *dev) -{ - return pcmcia_socket_dev_resume(&dev->dev); -} /*====================================================================*/ static struct platform_driver pcc_driver = { @@ -702,8 +689,6 @@ static struct platform_driver pcc_driver = { .name = "cfc", .owner = THIS_MODULE, }, - .suspend = cfc_drv_pcmcia_suspend, - .resume = cfc_drv_pcmcia_resume, }; static struct platform_device pcc_device = { @@ -764,7 +749,7 @@ static int __init init_m32r_pcc(void) for (i = 0 ; i < pcc_sockets ; i++) { socket[i].socket.dev.parent = &pcc_device.dev; socket[i].socket.ops = &pcc_operations; - socket[i].socket.resource_ops = &pccard_nonstatic_ops; + socket[i].socket.resource_ops = &pccard_static_ops; socket[i].socket.owner = THIS_MODULE; socket[i].number = i; ret = pcmcia_register_socket(&socket[i].socket); diff --git a/drivers/pcmcia/m32r_cfc.h b/drivers/pcmcia/m32r_cfc.h index 8146e3bee2e..f558e1adf95 100644 --- a/drivers/pcmcia/m32r_cfc.h +++ b/drivers/pcmcia/m32r_cfc.h @@ -9,7 +9,7 @@ #endif /* - * M32R PC Card Controler + * M32R PC Card Controller */ #define M32R_PCC0_BASE 0x00ef7000 #define M32R_PCC1_BASE 0x00ef7020 diff --git a/drivers/pcmcia/m32r_pcc.c b/drivers/pcmcia/m32r_pcc.c index 72844c5a6d0..296514155cd 100644 --- a/drivers/pcmcia/m32r_pcc.c +++ b/drivers/pcmcia/m32r_pcc.c @@ -16,7 +16,6 @@ #include <linux/kernel.h> #include <linux/errno.h> #include <linux/timer.h> -#include <linux/slab.h> #include <linux/ioport.h> #include <linux/delay.h> #include <linux/workqueue.h> @@ -25,12 +24,9 @@ #include <linux/bitops.h> #include <asm/irq.h> #include <asm/io.h> -#include <asm/system.h> #include <asm/addrspace.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> /* XXX: should be moved into asm/irq.h */ #define PCC0_IRQ 24 @@ -663,16 +659,6 @@ static struct pccard_operations pcc_operations = { .set_mem_map = pcc_set_mem_map, }; -static int pcc_drv_pcmcia_suspend(struct platform_device *dev, - pm_message_t state) -{ - return pcmcia_socket_dev_suspend(&dev->dev); -} - -static int pcc_drv_pcmcia_resume(struct platform_device *dev) -{ - return pcmcia_socket_dev_resume(&dev->dev); -} /*====================================================================*/ static struct platform_driver pcc_driver = { @@ -680,8 +666,6 @@ static struct platform_driver pcc_driver = { .name = "pcc", .owner = THIS_MODULE, }, - .suspend = pcc_drv_pcmcia_suspend, - .resume = pcc_drv_pcmcia_resume, }; static struct platform_device pcc_device = { diff --git a/drivers/pcmcia/m32r_pcc.h b/drivers/pcmcia/m32r_pcc.h index e4fffe417ba..f95c58563bc 100644 --- a/drivers/pcmcia/m32r_pcc.h +++ b/drivers/pcmcia/m32r_pcc.h @@ -5,7 +5,7 @@ #define M32R_MAX_PCC 2 /* - * M32R PC Card Controler + * M32R PC Card Controller */ #define M32R_PCC0_BASE 0x00ef7000 #define M32R_PCC1_BASE 0x00ef7020 diff --git a/drivers/pcmcia/m8xx_pcmcia.c b/drivers/pcmcia/m8xx_pcmcia.c index 7f79c4e169a..182034d2ef5 100644 --- a/drivers/pcmcia/m8xx_pcmcia.c +++ b/drivers/pcmcia/m8xx_pcmcia.c @@ -42,26 +42,24 @@ #include <linux/kernel.h> #include <linux/errno.h> -#include <linux/slab.h> #include <linux/timer.h> #include <linux/ioport.h> #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/fsl_devices.h> #include <linux/bitops.h> +#include <linux/of_address.h> #include <linux/of_device.h> +#include <linux/of_irq.h> #include <linux/of_platform.h> #include <asm/io.h> -#include <asm/system.h> #include <asm/time.h> #include <asm/mpc8xx.h> #include <asm/8xx_immap.h> #include <asm/irq.h> #include <asm/fs_pd.h> -#include <pcmcia/cs_types.h> -#include <pcmcia/cs.h> #include <pcmcia/ss.h> #define pcmcia_info(args...) printk(KERN_INFO "m8xx_pcmcia: "args) @@ -72,12 +70,6 @@ MODULE_LICENSE("Dual MPL/GPL"); #if !defined(CONFIG_PCMCIA_SLOT_A) && !defined(CONFIG_PCMCIA_SLOT_B) -/* The RPX series use SLOT_B */ -#if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_RPXLITE) -#define CONFIG_PCMCIA_SLOT_B -#define CONFIG_BD_IS_MHZ -#endif - /* The ADS board use SLOT_A */ #ifdef CONFIG_ADS #define CONFIG_PCMCIA_SLOT_A @@ -257,81 +249,6 @@ static irqreturn_t m8xx_interrupt(int irq, void *dev); #define PCMCIA_BMT_LIMIT (15*4) /* Bus Monitor Timeout value */ -/* ------------------------------------------------------------------------- */ -/* board specific stuff: */ -/* voltage_set(), hardware_enable() and hardware_disable() */ -/* ------------------------------------------------------------------------- */ -/* RPX Boards from Embedded Planet */ - -#if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_RPXLITE) - -/* The RPX boards seems to have it's bus monitor timeout set to 6*8 clocks. - * SYPCR is write once only, therefore must the slowest memory be faster - * than the bus monitor or we will get a machine check due to the bus timeout. - */ - -#define PCMCIA_BOARD_MSG "RPX CLASSIC or RPX LITE" - -#undef PCMCIA_BMT_LIMIT -#define PCMCIA_BMT_LIMIT (6*8) - -static int voltage_set(int slot, int vcc, int vpp) -{ - u32 reg = 0; - - switch (vcc) { - case 0: - break; - case 33: - reg |= BCSR1_PCVCTL4; - break; - case 50: - reg |= BCSR1_PCVCTL5; - break; - default: - return 1; - } - - switch (vpp) { - case 0: - break; - case 33: - case 50: - if (vcc == vpp) - reg |= BCSR1_PCVCTL6; - else - return 1; - break; - case 120: - reg |= BCSR1_PCVCTL7; - default: - return 1; - } - - if (!((vcc == 50) || (vcc == 0))) - return 1; - - /* first, turn off all power */ - - out_be32(((u32 *) RPX_CSR_ADDR), - in_be32(((u32 *) RPX_CSR_ADDR)) & ~(BCSR1_PCVCTL4 | - BCSR1_PCVCTL5 | - BCSR1_PCVCTL6 | - BCSR1_PCVCTL7)); - - /* enable new powersettings */ - - out_be32(((u32 *) RPX_CSR_ADDR), in_be32(((u32 *) RPX_CSR_ADDR)) | reg); - - return 0; -} - -#define socket_get(_slot_) PCMCIA_SOCKET_KEY_5V -#define hardware_enable(_slot_) /* No hardware to enable */ -#define hardware_disable(_slot_) /* No hardware to disable */ - -#endif /* CONFIG_RPXCLASSIC */ - /* FADS Boards from Motorola */ #if defined(CONFIG_FADS) @@ -423,65 +340,6 @@ static inline int voltage_set(int slot, int vcc, int vpp) #endif -/* ------------------------------------------------------------------------- */ -/* Motorola MBX860 */ - -#if defined(CONFIG_MBX) - -#define PCMCIA_BOARD_MSG "MBX" - -static int voltage_set(int slot, int vcc, int vpp) -{ - u8 reg = 0; - - switch (vcc) { - case 0: - break; - case 33: - reg |= CSR2_VCC_33; - break; - case 50: - reg |= CSR2_VCC_50; - break; - default: - return 1; - } - - switch (vpp) { - case 0: - break; - case 33: - case 50: - if (vcc == vpp) - reg |= CSR2_VPP_VCC; - else - return 1; - break; - case 120: - if ((vcc == 33) || (vcc == 50)) - reg |= CSR2_VPP_12; - else - return 1; - default: - return 1; - } - - /* first, turn off all power */ - out_8((u8 *) MBX_CSR2_ADDR, - in_8((u8 *) MBX_CSR2_ADDR) & ~(CSR2_VCC_MASK | CSR2_VPP_MASK)); - - /* enable new powersettings */ - out_8((u8 *) MBX_CSR2_ADDR, in_8((u8 *) MBX_CSR2_ADDR) | reg); - - return 0; -} - -#define socket_get(_slot_) PCMCIA_SOCKET_KEY_5V -#define hardware_enable(_slot_) /* No hardware to enable */ -#define hardware_disable(_slot_) /* No hardware to disable */ - -#endif /* CONFIG_MBX */ - #if defined(CONFIG_PRxK) #include <asm/cpld.h> extern volatile fpga_pc_regs *fpga_pc; @@ -1151,14 +1009,13 @@ static struct pccard_operations m8xx_services = { .set_mem_map = m8xx_set_mem_map, }; -static int __init m8xx_probe(struct of_device *ofdev, - const struct of_device_id *match) +static int __init m8xx_probe(struct platform_device *ofdev) { struct pcmcia_win *w; unsigned int i, m, hwirq; pcmconf8xx_t *pcmcia; int status; - struct device_node *np = ofdev->node; + struct device_node *np = ofdev->dev.of_node; pcmcia_info("%s\n", version); @@ -1201,7 +1058,7 @@ static int __init m8xx_probe(struct of_device *ofdev, out_be32(M8XX_PGCRX(1), M8XX_PGCRX_CXOE | (mk_int_int_mask(hwirq) << 16)); - /* intialize the fixed memory windows */ + /* initialize the fixed memory windows */ for (i = 0; i < PCMCIA_SOCKETS_NO; i++) { for (m = 0; m < PCMCIA_MEM_WIN_NO; m++) { @@ -1233,7 +1090,7 @@ static int __init m8xx_probe(struct of_device *ofdev, socket[i].socket.io_offset = 0; socket[i].socket.pci_irq = pcmcia_schlvl; socket[i].socket.ops = &m8xx_services; - socket[i].socket.resource_ops = &pccard_nonstatic_ops; + socket[i].socket.resource_ops = &pccard_iodyn_ops; socket[i].socket.cb_dev = NULL; socket[i].socket.dev.parent = &ofdev->dev; socket[i].pcmcia = pcmcia; @@ -1251,7 +1108,7 @@ static int __init m8xx_probe(struct of_device *ofdev, return 0; } -static int m8xx_remove(struct of_device *ofdev) +static int m8xx_remove(struct platform_device *ofdev) { u32 m, i; struct pcmcia_win *w; @@ -1288,22 +1145,7 @@ static int m8xx_remove(struct of_device *ofdev) return 0; } -#ifdef CONFIG_PM -static int m8xx_suspend(struct platform_device *pdev, pm_message_t state) -{ - return pcmcia_socket_dev_suspend(&pdev->dev); -} - -static int m8xx_resume(struct platform_device *pdev) -{ - return pcmcia_socket_dev_resume(&pdev->dev); -} -#else -#define m8xx_suspend NULL -#define m8xx_resume NULL -#endif - -static struct of_device_id m8xx_pcmcia_match[] = { +static const struct of_device_id m8xx_pcmcia_match[] = { { .type = "pcmcia", .compatible = "fsl,pq-pcmcia", @@ -1313,24 +1155,14 @@ static struct of_device_id m8xx_pcmcia_match[] = { MODULE_DEVICE_TABLE(of, m8xx_pcmcia_match); -static struct of_platform_driver m8xx_pcmcia_driver = { - .name = driver_name, - .match_table = m8xx_pcmcia_match, +static struct platform_driver m8xx_pcmcia_driver = { + .driver = { + .name = driver_name, + .owner = THIS_MODULE, + .of_match_table = m8xx_pcmcia_match, + }, .probe = m8xx_probe, .remove = m8xx_remove, - .suspend = m8xx_suspend, - .resume = m8xx_resume, }; -static int __init m8xx_init(void) -{ - return of_register_platform_driver(&m8xx_pcmcia_driver); -} - -static void __exit m8xx_exit(void) -{ - of_unregister_platform_driver(&m8xx_pcmcia_driver); -} - -module_init(m8xx_init); -module_exit(m8xx_exit); +module_platform_driver(m8xx_pcmcia_driver); diff --git a/drivers/pcmcia/o2micro.h b/drivers/pcmcia/o2micro.h index 624442fc0d3..5096e92c7a4 100644 --- a/drivers/pcmcia/o2micro.h +++ b/drivers/pcmcia/o2micro.h @@ -116,13 +116,12 @@ static int o2micro_override(struct yenta_socket *socket) * from Eric Still, 02Micro. */ u8 a, b; + bool use_speedup; if (PCI_FUNC(socket->dev->devfn) == 0) { a = config_readb(socket, O2_RESERVED1); b = config_readb(socket, O2_RESERVED2); - - dev_printk(KERN_INFO, &socket->dev->dev, - "O2: res at 0x94/0xD4: %02x/%02x\n", a, b); + dev_dbg(&socket->dev->dev, "O2: 0x94/0xD4: %02x/%02x\n", a, b); switch (socket->dev->device) { /* @@ -135,23 +134,37 @@ static int o2micro_override(struct yenta_socket *socket) case PCI_DEVICE_ID_O2_6812: case PCI_DEVICE_ID_O2_6832: case PCI_DEVICE_ID_O2_6836: - case PCI_DEVICE_ID_O2_6933: - dev_printk(KERN_INFO, &socket->dev->dev, - "Yenta O2: old bridge, disabling read " - "prefetch/write burst\n"); - config_writeb(socket, O2_RESERVED1, - a & ~(O2_RES_READ_PREFETCH | O2_RES_WRITE_BURST)); - config_writeb(socket, O2_RESERVED2, - b & ~(O2_RES_READ_PREFETCH | O2_RES_WRITE_BURST)); + case PCI_DEVICE_ID_O2_6933: + use_speedup = false; break; - default: - dev_printk(KERN_INFO , &socket->dev->dev, - "O2: enabling read prefetch/write burst\n"); + use_speedup = true; + break; + } + + /* the user may override our decision */ + if (strcasecmp(o2_speedup, "on") == 0) + use_speedup = true; + else if (strcasecmp(o2_speedup, "off") == 0) + use_speedup = false; + else if (strcasecmp(o2_speedup, "default") != 0) + dev_warn(&socket->dev->dev, + "O2: Unknown parameter, using 'default'"); + + if (use_speedup) { + dev_info(&socket->dev->dev, + "O2: enabling read prefetch/write burst. If you experience problems or performance issues, use the yenta_socket parameter 'o2_speedup=off'\n"); + config_writeb(socket, O2_RESERVED1, + a | O2_RES_READ_PREFETCH | O2_RES_WRITE_BURST); + config_writeb(socket, O2_RESERVED2, + b | O2_RES_READ_PREFETCH | O2_RES_WRITE_BURST); + } else { + dev_info(&socket->dev->dev, + "O2: disabling read prefetch/write burst. If you experience problems or performance issues, use the yenta_socket parameter 'o2_speedup=on'\n"); config_writeb(socket, O2_RESERVED1, - a | O2_RES_READ_PREFETCH | O2_RES_WRITE_BURST); + a & ~(O2_RES_READ_PREFETCH | O2_RES_WRITE_BURST)); config_writeb(socket, O2_RESERVED2, - b | O2_RES_READ_PREFETCH | O2_RES_WRITE_BURST); + b & ~(O2_RES_READ_PREFETCH | O2_RES_WRITE_BURST)); } } diff --git a/drivers/pcmcia/omap_cf.c b/drivers/pcmcia/omap_cf.c index 663781d2012..25c4b1993b3 100644 --- a/drivers/pcmcia/omap_cf.c +++ b/drivers/pcmcia/omap_cf.c @@ -16,6 +16,7 @@ #include <linux/init.h> #include <linux/delay.h> #include <linux/interrupt.h> +#include <linux/slab.h> #include <pcmcia/ss.h> @@ -23,8 +24,8 @@ #include <asm/io.h> #include <asm/sizes.h> -#include <plat/mux.h> -#include <plat/tc.h> +#include <mach/mux.h> +#include <mach/tc.h> /* NOTE: don't expect this to support many I/O cards. The 16xx chips have @@ -71,8 +72,6 @@ struct omap_cf_socket { #define POLL_INTERVAL (2 * HZ) -#define SZ_2K (2 * SZ_1K) - /*--------------------------------------------------------------------------*/ static int omap_cf_ss_init(struct pcmcia_socket *s) @@ -118,7 +117,7 @@ static int omap_cf_get_status(struct pcmcia_socket *s, u_int *sp) *sp = SS_READY | SS_DETECT | SS_POWERON | SS_3VCARD; cf = container_of(s, struct omap_cf_socket, socket); - s->irq.AssignedIRQ = 0; + s->pcmcia_irq = 0; s->pci_irq = cf->irq; } else *sp = 0; @@ -332,24 +331,12 @@ static int __exit omap_cf_remove(struct platform_device *pdev) return 0; } -static int omap_cf_suspend(struct platform_device *pdev, pm_message_t mesg) -{ - return pcmcia_socket_dev_suspend(&pdev->dev); -} - -static int omap_cf_resume(struct platform_device *pdev) -{ - return pcmcia_socket_dev_resume(&pdev->dev); -} - static struct platform_driver omap_cf_driver = { .driver = { .name = (char *) driver_name, .owner = THIS_MODULE, }, .remove = __exit_p(omap_cf_remove), - .suspend = omap_cf_suspend, - .resume = omap_cf_resume, }; static int __init omap_cf_init(void) diff --git a/drivers/pcmcia/pcmcia_cis.c b/drivers/pcmcia/pcmcia_cis.c new file mode 100644 index 00000000000..e2c92415b89 --- /dev/null +++ b/drivers/pcmcia/pcmcia_cis.c @@ -0,0 +1,438 @@ +/* + * PCMCIA high-level CIS access functions + * + * The initial developer of the original code is David A. Hinds + * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds + * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. + * + * Copyright (C) 1999 David A. Hinds + * Copyright (C) 2004-2010 Dominik Brodowski + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/netdevice.h> + +#include <pcmcia/cisreg.h> +#include <pcmcia/cistpl.h> +#include <pcmcia/ss.h> +#include <pcmcia/ds.h> +#include "cs_internal.h" + + +/** + * pccard_read_tuple() - internal CIS tuple access + * @s: the struct pcmcia_socket where the card is inserted + * @function: the device function we loop for + * @code: which CIS code shall we look for? + * @parse: buffer where the tuple shall be parsed (or NULL, if no parse) + * + * pccard_read_tuple() reads out one tuple and attempts to parse it + */ +int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, + cisdata_t code, void *parse) +{ + tuple_t tuple; + cisdata_t *buf; + int ret; + + buf = kmalloc(256, GFP_KERNEL); + if (buf == NULL) { + dev_printk(KERN_WARNING, &s->dev, "no memory to read tuple\n"); + return -ENOMEM; + } + tuple.DesiredTuple = code; + tuple.Attributes = 0; + if (function == BIND_FN_ALL) + tuple.Attributes = TUPLE_RETURN_COMMON; + ret = pccard_get_first_tuple(s, function, &tuple); + if (ret != 0) + goto done; + tuple.TupleData = buf; + tuple.TupleOffset = 0; + tuple.TupleDataMax = 255; + ret = pccard_get_tuple_data(s, &tuple); + if (ret != 0) + goto done; + ret = pcmcia_parse_tuple(&tuple, parse); +done: + kfree(buf); + return ret; +} + + +/** + * pccard_loop_tuple() - loop over tuples in the CIS + * @s: the struct pcmcia_socket where the card is inserted + * @function: the device function we loop for + * @code: which CIS code shall we look for? + * @parse: buffer where the tuple shall be parsed (or NULL, if no parse) + * @priv_data: private data to be passed to the loop_tuple function. + * @loop_tuple: function to call for each CIS entry of type @function. IT + * gets passed the raw tuple, the paresed tuple (if @parse is + * set) and @priv_data. + * + * pccard_loop_tuple() loops over all CIS entries of type @function, and + * calls the @loop_tuple function for each entry. If the call to @loop_tuple + * returns 0, the loop exits. Returns 0 on success or errorcode otherwise. + */ +int pccard_loop_tuple(struct pcmcia_socket *s, unsigned int function, + cisdata_t code, cisparse_t *parse, void *priv_data, + int (*loop_tuple) (tuple_t *tuple, + cisparse_t *parse, + void *priv_data)) +{ + tuple_t tuple; + cisdata_t *buf; + int ret; + + buf = kzalloc(256, GFP_KERNEL); + if (buf == NULL) { + dev_printk(KERN_WARNING, &s->dev, "no memory to read tuple\n"); + return -ENOMEM; + } + + tuple.TupleData = buf; + tuple.TupleDataMax = 255; + tuple.TupleOffset = 0; + tuple.DesiredTuple = code; + tuple.Attributes = 0; + + ret = pccard_get_first_tuple(s, function, &tuple); + while (!ret) { + if (pccard_get_tuple_data(s, &tuple)) + goto next_entry; + + if (parse) + if (pcmcia_parse_tuple(&tuple, parse)) + goto next_entry; + + ret = loop_tuple(&tuple, parse, priv_data); + if (!ret) + break; + +next_entry: + ret = pccard_get_next_tuple(s, function, &tuple); + } + + kfree(buf); + return ret; +} + + +/** + * pcmcia_io_cfg_data_width() - convert cfgtable to data path width parameter + */ +static int pcmcia_io_cfg_data_width(unsigned int flags) +{ + if (!(flags & CISTPL_IO_8BIT)) + return IO_DATA_PATH_WIDTH_16; + if (!(flags & CISTPL_IO_16BIT)) + return IO_DATA_PATH_WIDTH_8; + return IO_DATA_PATH_WIDTH_AUTO; +} + + +struct pcmcia_cfg_mem { + struct pcmcia_device *p_dev; + int (*conf_check) (struct pcmcia_device *p_dev, void *priv_data); + void *priv_data; + cisparse_t parse; + cistpl_cftable_entry_t dflt; +}; + +/** + * pcmcia_do_loop_config() - internal helper for pcmcia_loop_config() + * + * pcmcia_do_loop_config() is the internal callback for the call from + * pcmcia_loop_config() to pccard_loop_tuple(). Data is transferred + * by a struct pcmcia_cfg_mem. + */ +static int pcmcia_do_loop_config(tuple_t *tuple, cisparse_t *parse, void *priv) +{ + struct pcmcia_cfg_mem *cfg_mem = priv; + struct pcmcia_device *p_dev = cfg_mem->p_dev; + cistpl_cftable_entry_t *cfg = &parse->cftable_entry; + cistpl_cftable_entry_t *dflt = &cfg_mem->dflt; + unsigned int flags = p_dev->config_flags; + unsigned int vcc = p_dev->socket->socket.Vcc; + + dev_dbg(&p_dev->dev, "testing configuration %x, autoconf %x\n", + cfg->index, flags); + + /* default values */ + cfg_mem->p_dev->config_index = cfg->index; + if (cfg->flags & CISTPL_CFTABLE_DEFAULT) + cfg_mem->dflt = *cfg; + + /* check for matching Vcc? */ + if (flags & CONF_AUTO_CHECK_VCC) { + if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) { + if (vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000) + return -ENODEV; + } else if (dflt->vcc.present & (1 << CISTPL_POWER_VNOM)) { + if (vcc != dflt->vcc.param[CISTPL_POWER_VNOM] / 10000) + return -ENODEV; + } + } + + /* set Vpp? */ + if (flags & CONF_AUTO_SET_VPP) { + if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM)) + p_dev->vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000; + else if (dflt->vpp1.present & (1 << CISTPL_POWER_VNOM)) + p_dev->vpp = + dflt->vpp1.param[CISTPL_POWER_VNOM] / 10000; + } + + /* enable audio? */ + if ((flags & CONF_AUTO_AUDIO) && (cfg->flags & CISTPL_CFTABLE_AUDIO)) + p_dev->config_flags |= CONF_ENABLE_SPKR; + + + /* IO window settings? */ + if (flags & CONF_AUTO_SET_IO) { + cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io; + int i = 0; + + p_dev->resource[0]->start = p_dev->resource[0]->end = 0; + p_dev->resource[1]->start = p_dev->resource[1]->end = 0; + if (io->nwin == 0) + return -ENODEV; + + p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; + p_dev->resource[0]->flags |= + pcmcia_io_cfg_data_width(io->flags); + if (io->nwin > 1) { + /* For multifunction cards, by convention, we + * configure the network function with window 0, + * and serial with window 1 */ + i = (io->win[1].len > io->win[0].len); + p_dev->resource[1]->flags = p_dev->resource[0]->flags; + p_dev->resource[1]->start = io->win[1-i].base; + p_dev->resource[1]->end = io->win[1-i].len; + } + p_dev->resource[0]->start = io->win[i].base; + p_dev->resource[0]->end = io->win[i].len; + p_dev->io_lines = io->flags & CISTPL_IO_LINES_MASK; + } + + /* MEM window settings? */ + if (flags & CONF_AUTO_SET_IOMEM) { + /* so far, we only set one memory window */ + cistpl_mem_t *mem = (cfg->mem.nwin) ? &cfg->mem : &dflt->mem; + + p_dev->resource[2]->start = p_dev->resource[2]->end = 0; + if (mem->nwin == 0) + return -ENODEV; + + p_dev->resource[2]->start = mem->win[0].host_addr; + p_dev->resource[2]->end = mem->win[0].len; + if (p_dev->resource[2]->end < 0x1000) + p_dev->resource[2]->end = 0x1000; + p_dev->card_addr = mem->win[0].card_addr; + } + + dev_dbg(&p_dev->dev, + "checking configuration %x: %pr %pr %pr (%d lines)\n", + p_dev->config_index, p_dev->resource[0], p_dev->resource[1], + p_dev->resource[2], p_dev->io_lines); + + return cfg_mem->conf_check(p_dev, cfg_mem->priv_data); +} + +/** + * pcmcia_loop_config() - loop over configuration options + * @p_dev: the struct pcmcia_device which we need to loop for. + * @conf_check: function to call for each configuration option. + * It gets passed the struct pcmcia_device and private data + * being passed to pcmcia_loop_config() + * @priv_data: private data to be passed to the conf_check function. + * + * pcmcia_loop_config() loops over all configuration options, and calls + * the driver-specific conf_check() for each one, checking whether + * it is a valid one. Returns 0 on success or errorcode otherwise. + */ +int pcmcia_loop_config(struct pcmcia_device *p_dev, + int (*conf_check) (struct pcmcia_device *p_dev, + void *priv_data), + void *priv_data) +{ + struct pcmcia_cfg_mem *cfg_mem; + int ret; + + cfg_mem = kzalloc(sizeof(struct pcmcia_cfg_mem), GFP_KERNEL); + if (cfg_mem == NULL) + return -ENOMEM; + + cfg_mem->p_dev = p_dev; + cfg_mem->conf_check = conf_check; + cfg_mem->priv_data = priv_data; + + ret = pccard_loop_tuple(p_dev->socket, p_dev->func, + CISTPL_CFTABLE_ENTRY, &cfg_mem->parse, + cfg_mem, pcmcia_do_loop_config); + + kfree(cfg_mem); + return ret; +} +EXPORT_SYMBOL(pcmcia_loop_config); + + +struct pcmcia_loop_mem { + struct pcmcia_device *p_dev; + void *priv_data; + int (*loop_tuple) (struct pcmcia_device *p_dev, + tuple_t *tuple, + void *priv_data); +}; + +/** + * pcmcia_do_loop_tuple() - internal helper for pcmcia_loop_config() + * + * pcmcia_do_loop_tuple() is the internal callback for the call from + * pcmcia_loop_tuple() to pccard_loop_tuple(). Data is transferred + * by a struct pcmcia_cfg_mem. + */ +static int pcmcia_do_loop_tuple(tuple_t *tuple, cisparse_t *parse, void *priv) +{ + struct pcmcia_loop_mem *loop = priv; + + return loop->loop_tuple(loop->p_dev, tuple, loop->priv_data); +}; + +/** + * pcmcia_loop_tuple() - loop over tuples in the CIS + * @p_dev: the struct pcmcia_device which we need to loop for. + * @code: which CIS code shall we look for? + * @priv_data: private data to be passed to the loop_tuple function. + * @loop_tuple: function to call for each CIS entry of type @function. IT + * gets passed the raw tuple and @priv_data. + * + * pcmcia_loop_tuple() loops over all CIS entries of type @function, and + * calls the @loop_tuple function for each entry. If the call to @loop_tuple + * returns 0, the loop exits. Returns 0 on success or errorcode otherwise. + */ +int pcmcia_loop_tuple(struct pcmcia_device *p_dev, cisdata_t code, + int (*loop_tuple) (struct pcmcia_device *p_dev, + tuple_t *tuple, + void *priv_data), + void *priv_data) +{ + struct pcmcia_loop_mem loop = { + .p_dev = p_dev, + .loop_tuple = loop_tuple, + .priv_data = priv_data}; + + return pccard_loop_tuple(p_dev->socket, p_dev->func, code, NULL, + &loop, pcmcia_do_loop_tuple); +} +EXPORT_SYMBOL(pcmcia_loop_tuple); + + +struct pcmcia_loop_get { + size_t len; + cisdata_t **buf; +}; + +/** + * pcmcia_do_get_tuple() - internal helper for pcmcia_get_tuple() + * + * pcmcia_do_get_tuple() is the internal callback for the call from + * pcmcia_get_tuple() to pcmcia_loop_tuple(). As we're only interested in + * the first tuple, return 0 unconditionally. Create a memory buffer large + * enough to hold the content of the tuple, and fill it with the tuple data. + * The caller is responsible to free the buffer. + */ +static int pcmcia_do_get_tuple(struct pcmcia_device *p_dev, tuple_t *tuple, + void *priv) +{ + struct pcmcia_loop_get *get = priv; + + *get->buf = kzalloc(tuple->TupleDataLen, GFP_KERNEL); + if (*get->buf) { + get->len = tuple->TupleDataLen; + memcpy(*get->buf, tuple->TupleData, tuple->TupleDataLen); + } else + dev_dbg(&p_dev->dev, "do_get_tuple: out of memory\n"); + return 0; +} + +/** + * pcmcia_get_tuple() - get first tuple from CIS + * @p_dev: the struct pcmcia_device which we need to loop for. + * @code: which CIS code shall we look for? + * @buf: pointer to store the buffer to. + * + * pcmcia_get_tuple() gets the content of the first CIS entry of type @code. + * It returns the buffer length (or zero). The caller is responsible to free + * the buffer passed in @buf. + */ +size_t pcmcia_get_tuple(struct pcmcia_device *p_dev, cisdata_t code, + unsigned char **buf) +{ + struct pcmcia_loop_get get = { + .len = 0, + .buf = buf, + }; + + *get.buf = NULL; + pcmcia_loop_tuple(p_dev, code, pcmcia_do_get_tuple, &get); + + return get.len; +} +EXPORT_SYMBOL(pcmcia_get_tuple); + + +/** + * pcmcia_do_get_mac() - internal helper for pcmcia_get_mac_from_cis() + * + * pcmcia_do_get_mac() is the internal callback for the call from + * pcmcia_get_mac_from_cis() to pcmcia_loop_tuple(). We check whether the + * tuple contains a proper LAN_NODE_ID of length 6, and copy the data + * to struct net_device->dev_addr[i]. + */ +static int pcmcia_do_get_mac(struct pcmcia_device *p_dev, tuple_t *tuple, + void *priv) +{ + struct net_device *dev = priv; + int i; + + if (tuple->TupleData[0] != CISTPL_FUNCE_LAN_NODE_ID) + return -EINVAL; + if (tuple->TupleDataLen < ETH_ALEN + 2) { + dev_warn(&p_dev->dev, "Invalid CIS tuple length for " + "LAN_NODE_ID\n"); + return -EINVAL; + } + + if (tuple->TupleData[1] != ETH_ALEN) { + dev_warn(&p_dev->dev, "Invalid header for LAN_NODE_ID\n"); + return -EINVAL; + } + for (i = 0; i < 6; i++) + dev->dev_addr[i] = tuple->TupleData[i+2]; + return 0; +} + +/** + * pcmcia_get_mac_from_cis() - read out MAC address from CISTPL_FUNCE + * @p_dev: the struct pcmcia_device for which we want the address. + * @dev: a properly prepared struct net_device to store the info to. + * + * pcmcia_get_mac_from_cis() reads out the hardware MAC address from + * CISTPL_FUNCE and stores it into struct net_device *dev->dev_addr which + * must be set up properly by the driver (see examples!). + */ +int pcmcia_get_mac_from_cis(struct pcmcia_device *p_dev, struct net_device *dev) +{ + return pcmcia_loop_tuple(p_dev, CISTPL_FUNCE, pcmcia_do_get_mac, dev); +} +EXPORT_SYMBOL(pcmcia_get_mac_from_cis); + diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c deleted file mode 100644 index f73fd5beaa3..00000000000 --- a/drivers/pcmcia/pcmcia_ioctl.c +++ /dev/null @@ -1,1081 +0,0 @@ -/* - * pcmcia_ioctl.c -- ioctl interface for cardmgr and cardctl - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * The initial developer of the original code is David A. Hinds - * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds - * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. - * - * (C) 1999 David A. Hinds - * (C) 2003 - 2004 Dominik Brodowski - */ - -/* - * This file will go away soon. - */ - - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/major.h> -#include <linux/errno.h> -#include <linux/ioctl.h> -#include <linux/proc_fs.h> -#include <linux/poll.h> -#include <linux/pci.h> -#include <linux/seq_file.h> -#include <linux/smp_lock.h> -#include <linux/workqueue.h> - -#include <pcmcia/cs_types.h> -#include <pcmcia/cs.h> -#include <pcmcia/cistpl.h> -#include <pcmcia/cisreg.h> -#include <pcmcia/ds.h> -#include <pcmcia/ss.h> - -#include "cs_internal.h" - -static int major_dev = -1; - - -/* Device user information */ -#define MAX_EVENTS 32 -#define USER_MAGIC 0x7ea4 -#define CHECK_USER(u) \ - (((u) == NULL) || ((u)->user_magic != USER_MAGIC)) - -typedef struct user_info_t { - u_int user_magic; - int event_head, event_tail; - event_t event[MAX_EVENTS]; - struct user_info_t *next; - struct pcmcia_socket *socket; -} user_info_t; - - -static struct pcmcia_device *get_pcmcia_device(struct pcmcia_socket *s, - unsigned int function) -{ - struct pcmcia_device *p_dev = NULL; - unsigned long flags; - - spin_lock_irqsave(&pcmcia_dev_list_lock, flags); - list_for_each_entry(p_dev, &s->devices_list, socket_device_list) { - if (p_dev->func == function) { - spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); - return pcmcia_get_dev(p_dev); - } - } - spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); - return NULL; -} - -/* backwards-compatible accessing of driver --- by name! */ - -static struct pcmcia_driver *get_pcmcia_driver(dev_info_t *dev_info) -{ - struct device_driver *drv; - struct pcmcia_driver *p_drv; - - drv = driver_find((char *) dev_info, &pcmcia_bus_type); - if (!drv) - return NULL; - - p_drv = container_of(drv, struct pcmcia_driver, drv); - - return p_drv; -} - - -#ifdef CONFIG_PROC_FS -static struct proc_dir_entry *proc_pccard; - -static int proc_read_drivers_callback(struct device_driver *driver, void *_m) -{ - struct seq_file *m = _m; - struct pcmcia_driver *p_drv = container_of(driver, - struct pcmcia_driver, drv); - - seq_printf(m, "%-24.24s 1 %d\n", p_drv->drv.name, -#ifdef CONFIG_MODULE_UNLOAD - (p_drv->owner) ? module_refcount(p_drv->owner) : 1 -#else - 1 -#endif - ); - return 0; -} - -static int pccard_drivers_proc_show(struct seq_file *m, void *v) -{ - return bus_for_each_drv(&pcmcia_bus_type, NULL, - m, proc_read_drivers_callback); -} - -static int pccard_drivers_proc_open(struct inode *inode, struct file *file) -{ - return single_open(file, pccard_drivers_proc_show, NULL); -} - -static const struct file_operations pccard_drivers_proc_fops = { - .owner = THIS_MODULE, - .open = pccard_drivers_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; -#endif - - -#ifdef CONFIG_PCMCIA_PROBE - -static int adjust_irq(struct pcmcia_socket *s, adjust_t *adj) -{ - int irq; - u32 mask; - - irq = adj->resource.irq.IRQ; - if ((irq < 0) || (irq > 15)) - return -EINVAL; - - if (adj->Action != REMOVE_MANAGED_RESOURCE) - return 0; - - mask = 1 << irq; - - if (!(s->irq_mask & mask)) - return 0; - - s->irq_mask &= ~mask; - - return 0; -} - -#else - -static inline int adjust_irq(struct pcmcia_socket *s, adjust_t *adj) -{ - return 0; -} - -#endif - -static int pcmcia_adjust_resource_info(adjust_t *adj) -{ - struct pcmcia_socket *s; - int ret = -ENOSYS; - unsigned long flags; - - down_read(&pcmcia_socket_list_rwsem); - list_for_each_entry(s, &pcmcia_socket_list, socket_list) { - - if (adj->Resource == RES_IRQ) - ret = adjust_irq(s, adj); - - else if (s->resource_ops->add_io) { - unsigned long begin, end; - - /* you can't use the old interface if the new - * one was used before */ - spin_lock_irqsave(&s->lock, flags); - if ((s->resource_setup_new) && - !(s->resource_setup_old)) { - spin_unlock_irqrestore(&s->lock, flags); - continue; - } else if (!(s->resource_setup_old)) - s->resource_setup_old = 1; - spin_unlock_irqrestore(&s->lock, flags); - - switch (adj->Resource) { - case RES_MEMORY_RANGE: - begin = adj->resource.memory.Base; - end = adj->resource.memory.Base + adj->resource.memory.Size - 1; - if (s->resource_ops->add_mem) - ret = s->resource_ops->add_mem(s, adj->Action, begin, end); - case RES_IO_RANGE: - begin = adj->resource.io.BasePort; - end = adj->resource.io.BasePort + adj->resource.io.NumPorts - 1; - if (s->resource_ops->add_io) - ret = s->resource_ops->add_io(s, adj->Action, begin, end); - } - if (!ret) { - /* as there's no way we know this is the - * last call to adjust_resource_info, we - * always need to assume this is the latest - * one... */ - spin_lock_irqsave(&s->lock, flags); - s->resource_setup_done = 1; - spin_unlock_irqrestore(&s->lock, flags); - } - } - } - up_read(&pcmcia_socket_list_rwsem); - - return ret; -} - - -/** pcmcia_get_window - */ -static int pcmcia_get_window(struct pcmcia_socket *s, window_handle_t *wh_out, - window_handle_t wh, win_req_t *req) -{ - pccard_mem_map *win; - window_handle_t w; - - wh--; - if (!s || !(s->state & SOCKET_PRESENT)) - return -ENODEV; - if (wh >= MAX_WIN) - return -EINVAL; - for (w = wh; w < MAX_WIN; w++) - if (s->state & SOCKET_WIN_REQ(w)) - break; - if (w == MAX_WIN) - return -EINVAL; - win = &s->win[w]; - req->Base = win->res->start; - req->Size = win->res->end - win->res->start + 1; - req->AccessSpeed = win->speed; - req->Attributes = 0; - if (win->flags & MAP_ATTRIB) - req->Attributes |= WIN_MEMORY_TYPE_AM; - if (win->flags & MAP_ACTIVE) - req->Attributes |= WIN_ENABLE; - if (win->flags & MAP_16BIT) - req->Attributes |= WIN_DATA_WIDTH_16; - if (win->flags & MAP_USE_WAIT) - req->Attributes |= WIN_USE_WAIT; - - *wh_out = w + 1; - return 0; -} /* pcmcia_get_window */ - - -/** pcmcia_get_mem_page - * - * Change the card address of an already open memory window. - */ -static int pcmcia_get_mem_page(struct pcmcia_socket *skt, window_handle_t wh, - memreq_t *req) -{ - wh--; - if (wh >= MAX_WIN) - return -EINVAL; - - req->Page = 0; - req->CardOffset = skt->win[wh].card_start; - return 0; -} /* pcmcia_get_mem_page */ - - -/** pccard_get_status - * - * Get the current socket state bits. We don't support the latched - * SocketState yet: I haven't seen any point for it. - */ - -static int pccard_get_status(struct pcmcia_socket *s, - struct pcmcia_device *p_dev, - cs_status_t *status) -{ - config_t *c; - int val; - - s->ops->get_status(s, &val); - status->CardState = status->SocketState = 0; - status->CardState |= (val & SS_DETECT) ? CS_EVENT_CARD_DETECT : 0; - status->CardState |= (val & SS_CARDBUS) ? CS_EVENT_CB_DETECT : 0; - status->CardState |= (val & SS_3VCARD) ? CS_EVENT_3VCARD : 0; - status->CardState |= (val & SS_XVCARD) ? CS_EVENT_XVCARD : 0; - if (s->state & SOCKET_SUSPEND) - status->CardState |= CS_EVENT_PM_SUSPEND; - if (!(s->state & SOCKET_PRESENT)) - return -ENODEV; - - c = (p_dev) ? p_dev->function_config : NULL; - - if ((c != NULL) && (c->state & CONFIG_LOCKED) && - (c->IntType & (INT_MEMORY_AND_IO | INT_ZOOMED_VIDEO))) { - u_char reg; - if (c->CardValues & PRESENT_PIN_REPLACE) { - pcmcia_read_cis_mem(s, 1, (c->ConfigBase+CISREG_PRR)>>1, 1, ®); - status->CardState |= - (reg & PRR_WP_STATUS) ? CS_EVENT_WRITE_PROTECT : 0; - status->CardState |= - (reg & PRR_READY_STATUS) ? CS_EVENT_READY_CHANGE : 0; - status->CardState |= - (reg & PRR_BVD2_STATUS) ? CS_EVENT_BATTERY_LOW : 0; - status->CardState |= - (reg & PRR_BVD1_STATUS) ? CS_EVENT_BATTERY_DEAD : 0; - } else { - /* No PRR? Then assume we're always ready */ - status->CardState |= CS_EVENT_READY_CHANGE; - } - if (c->CardValues & PRESENT_EXT_STATUS) { - pcmcia_read_cis_mem(s, 1, (c->ConfigBase+CISREG_ESR)>>1, 1, ®); - status->CardState |= - (reg & ESR_REQ_ATTN) ? CS_EVENT_REQUEST_ATTENTION : 0; - } - return 0; - } - status->CardState |= - (val & SS_WRPROT) ? CS_EVENT_WRITE_PROTECT : 0; - status->CardState |= - (val & SS_BATDEAD) ? CS_EVENT_BATTERY_DEAD : 0; - status->CardState |= - (val & SS_BATWARN) ? CS_EVENT_BATTERY_LOW : 0; - status->CardState |= - (val & SS_READY) ? CS_EVENT_READY_CHANGE : 0; - return 0; -} /* pccard_get_status */ - -static int pccard_get_configuration_info(struct pcmcia_socket *s, - struct pcmcia_device *p_dev, - config_info_t *config) -{ - config_t *c; - - if (!(s->state & SOCKET_PRESENT)) - return -ENODEV; - - -#ifdef CONFIG_CARDBUS - if (s->state & SOCKET_CARDBUS) { - memset(config, 0, sizeof(config_info_t)); - config->Vcc = s->socket.Vcc; - config->Vpp1 = config->Vpp2 = s->socket.Vpp; - config->Option = s->cb_dev->subordinate->number; - if (s->state & SOCKET_CARDBUS_CONFIG) { - config->Attributes = CONF_VALID_CLIENT; - config->IntType = INT_CARDBUS; - config->AssignedIRQ = s->irq.AssignedIRQ; - if (config->AssignedIRQ) - config->Attributes |= CONF_ENABLE_IRQ; - if (s->io[0].res) { - config->BasePort1 = s->io[0].res->start; - config->NumPorts1 = s->io[0].res->end - - config->BasePort1 + 1; - } - } - return 0; - } -#endif - - if (p_dev) { - c = p_dev->function_config; - config->Function = p_dev->func; - } else { - c = NULL; - config->Function = 0; - } - - if ((c == NULL) || !(c->state & CONFIG_LOCKED)) { - config->Attributes = 0; - config->Vcc = s->socket.Vcc; - config->Vpp1 = config->Vpp2 = s->socket.Vpp; - return 0; - } - - config->Attributes = c->Attributes | CONF_VALID_CLIENT; - config->Vcc = s->socket.Vcc; - config->Vpp1 = config->Vpp2 = s->socket.Vpp; - config->IntType = c->IntType; - config->ConfigBase = c->ConfigBase; - config->Status = c->Status; - config->Pin = c->Pin; - config->Copy = c->Copy; - config->Option = c->Option; - config->ExtStatus = c->ExtStatus; - config->Present = config->CardValues = c->CardValues; - config->IRQAttributes = c->irq.Attributes; - config->AssignedIRQ = s->irq.AssignedIRQ; - config->BasePort1 = c->io.BasePort1; - config->NumPorts1 = c->io.NumPorts1; - config->Attributes1 = c->io.Attributes1; - config->BasePort2 = c->io.BasePort2; - config->NumPorts2 = c->io.NumPorts2; - config->Attributes2 = c->io.Attributes2; - config->IOAddrLines = c->io.IOAddrLines; - - return 0; -} /* pccard_get_configuration_info */ - - -/*====================================================================== - - These manage a ring buffer of events pending for one user process - -======================================================================*/ - - -static int queue_empty(user_info_t *user) -{ - return (user->event_head == user->event_tail); -} - -static event_t get_queued_event(user_info_t *user) -{ - user->event_tail = (user->event_tail+1) % MAX_EVENTS; - return user->event[user->event_tail]; -} - -static void queue_event(user_info_t *user, event_t event) -{ - user->event_head = (user->event_head+1) % MAX_EVENTS; - if (user->event_head == user->event_tail) - user->event_tail = (user->event_tail+1) % MAX_EVENTS; - user->event[user->event_head] = event; -} - -void handle_event(struct pcmcia_socket *s, event_t event) -{ - user_info_t *user; - for (user = s->user; user; user = user->next) - queue_event(user, event); - wake_up_interruptible(&s->queue); -} - - -/*====================================================================== - - bind_request() and bind_device() are merged by now. Register_client() - is called right at the end of bind_request(), during the driver's - ->attach() call. Individual descriptions: - - bind_request() connects a socket to a particular client driver. - It looks up the specified device ID in the list of registered - drivers, binds it to the socket, and tries to create an instance - of the device. unbind_request() deletes a driver instance. - - Bind_device() associates a device driver with a particular socket. - It is normally called by Driver Services after it has identified - a newly inserted card. An instance of that driver will then be - eligible to register as a client of this socket. - - Register_client() uses the dev_info_t handle to match the - caller with a socket. The driver must have already been bound - to a socket with bind_device() -- in fact, bind_device() - allocates the client structure that will be used. - -======================================================================*/ - -static int bind_request(struct pcmcia_socket *s, bind_info_t *bind_info) -{ - struct pcmcia_driver *p_drv; - struct pcmcia_device *p_dev; - int ret = 0; - unsigned long flags; - - s = pcmcia_get_socket(s); - if (!s) - return -EINVAL; - - pr_debug("bind_request(%d, '%s')\n", s->sock, - (char *)bind_info->dev_info); - - p_drv = get_pcmcia_driver(&bind_info->dev_info); - if (!p_drv) { - ret = -EINVAL; - goto err_put; - } - - if (!try_module_get(p_drv->owner)) { - ret = -EINVAL; - goto err_put_driver; - } - - spin_lock_irqsave(&pcmcia_dev_list_lock, flags); - list_for_each_entry(p_dev, &s->devices_list, socket_device_list) { - if (p_dev->func == bind_info->function) { - if ((p_dev->dev.driver == &p_drv->drv)) { - if (p_dev->cardmgr) { - /* if there's already a device - * registered, and it was registered - * by userspace before, we need to - * return the "instance". */ - spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); - bind_info->instance = p_dev; - ret = -EBUSY; - goto err_put_module; - } else { - /* the correct driver managed to bind - * itself magically to the correct - * device. */ - spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); - p_dev->cardmgr = p_drv; - ret = 0; - goto err_put_module; - } - } else if (!p_dev->dev.driver) { - /* there's already a device available where - * no device has been bound to yet. So we don't - * need to register a device! */ - spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); - goto rescan; - } - } - } - spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); - - p_dev = pcmcia_device_add(s, bind_info->function); - if (!p_dev) { - ret = -EIO; - goto err_put_module; - } - -rescan: - p_dev->cardmgr = p_drv; - - /* if a driver is already running, we can abort */ - if (p_dev->dev.driver) - goto err_put_module; - - /* - * Prevent this racing with a card insertion. - */ - mutex_lock(&s->skt_mutex); - ret = bus_rescan_devices(&pcmcia_bus_type); - mutex_unlock(&s->skt_mutex); - if (ret) - goto err_put_module; - - /* check whether the driver indeed matched. I don't care if this - * is racy or not, because it can only happen on cardmgr access - * paths... - */ - if (!(p_dev->dev.driver == &p_drv->drv)) - p_dev->cardmgr = NULL; - - err_put_module: - module_put(p_drv->owner); - err_put_driver: - put_driver(&p_drv->drv); - err_put: - pcmcia_put_socket(s); - - return ret; -} /* bind_request */ - -#ifdef CONFIG_CARDBUS - -static struct pci_bus *pcmcia_lookup_bus(struct pcmcia_socket *s) -{ - if (!s || !(s->state & SOCKET_CARDBUS)) - return NULL; - - return s->cb_dev->subordinate; -} -#endif - -static int get_device_info(struct pcmcia_socket *s, bind_info_t *bind_info, int first) -{ - dev_node_t *node; - struct pcmcia_device *p_dev; - struct pcmcia_driver *p_drv; - unsigned long flags; - int ret = 0; - -#ifdef CONFIG_CARDBUS - /* - * Some unbelievably ugly code to associate the PCI cardbus - * device and its driver with the PCMCIA "bind" information. - */ - { - struct pci_bus *bus; - - bus = pcmcia_lookup_bus(s); - if (bus) { - struct list_head *list; - struct pci_dev *dev = NULL; - - list = bus->devices.next; - while (list != &bus->devices) { - struct pci_dev *pdev = pci_dev_b(list); - list = list->next; - - if (first) { - dev = pdev; - break; - } - - /* Try to handle "next" here some way? */ - } - if (dev && dev->driver) { - strlcpy(bind_info->name, dev->driver->name, DEV_NAME_LEN); - bind_info->major = 0; - bind_info->minor = 0; - bind_info->next = NULL; - return 0; - } - } - } -#endif - - spin_lock_irqsave(&pcmcia_dev_list_lock, flags); - list_for_each_entry(p_dev, &s->devices_list, socket_device_list) { - if (p_dev->func == bind_info->function) { - p_dev = pcmcia_get_dev(p_dev); - if (!p_dev) - continue; - goto found; - } - } - spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); - return -ENODEV; - - found: - spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); - - p_drv = to_pcmcia_drv(p_dev->dev.driver); - if (p_drv && !p_dev->_locked) { - ret = -EAGAIN; - goto err_put; - } - - if (first) - node = p_dev->dev_node; - else - for (node = p_dev->dev_node; node; node = node->next) - if (node == bind_info->next) - break; - if (!node) { - ret = -ENODEV; - goto err_put; - } - - strlcpy(bind_info->name, node->dev_name, DEV_NAME_LEN); - bind_info->major = node->major; - bind_info->minor = node->minor; - bind_info->next = node->next; - - err_put: - pcmcia_put_dev(p_dev); - return ret; -} /* get_device_info */ - - -static int ds_open(struct inode *inode, struct file *file) -{ - socket_t i = iminor(inode); - struct pcmcia_socket *s; - user_info_t *user; - static int warning_printed; - int ret = 0; - - pr_debug("ds_open(socket %d)\n", i); - - lock_kernel(); - s = pcmcia_get_socket_by_nr(i); - if (!s) { - ret = -ENODEV; - goto out; - } - s = pcmcia_get_socket(s); - if (!s) { - ret = -ENODEV; - goto out; - } - - if ((file->f_flags & O_ACCMODE) != O_RDONLY) { - if (s->pcmcia_state.busy) { - pcmcia_put_socket(s); - ret = -EBUSY; - goto out; - } - else - s->pcmcia_state.busy = 1; - } - - user = kmalloc(sizeof(user_info_t), GFP_KERNEL); - if (!user) { - pcmcia_put_socket(s); - ret = -ENOMEM; - goto out; - } - user->event_tail = user->event_head = 0; - user->next = s->user; - user->user_magic = USER_MAGIC; - user->socket = s; - s->user = user; - file->private_data = user; - - if (!warning_printed) { - printk(KERN_INFO "pcmcia: Detected deprecated PCMCIA ioctl " - "usage from process: %s.\n", current->comm); - printk(KERN_INFO "pcmcia: This interface will soon be removed from " - "the kernel; please expect breakage unless you upgrade " - "to new tools.\n"); - printk(KERN_INFO "pcmcia: see http://www.kernel.org/pub/linux/" - "utils/kernel/pcmcia/pcmcia.html for details.\n"); - warning_printed = 1; - } - - if (s->pcmcia_state.present) - queue_event(user, CS_EVENT_CARD_INSERTION); -out: - unlock_kernel(); - return ret; -} /* ds_open */ - -/*====================================================================*/ - -static int ds_release(struct inode *inode, struct file *file) -{ - struct pcmcia_socket *s; - user_info_t *user, **link; - - pr_debug("ds_release(socket %d)\n", iminor(inode)); - - user = file->private_data; - if (CHECK_USER(user)) - goto out; - - s = user->socket; - - /* Unlink user data structure */ - if ((file->f_flags & O_ACCMODE) != O_RDONLY) - s->pcmcia_state.busy = 0; - - file->private_data = NULL; - for (link = &s->user; *link; link = &(*link)->next) - if (*link == user) - break; - if (link == NULL) - goto out; - *link = user->next; - user->user_magic = 0; - kfree(user); - pcmcia_put_socket(s); -out: - return 0; -} /* ds_release */ - -/*====================================================================*/ - -static ssize_t ds_read(struct file *file, char __user *buf, - size_t count, loff_t *ppos) -{ - struct pcmcia_socket *s; - user_info_t *user; - int ret; - - pr_debug("ds_read(socket %d)\n", iminor(file->f_path.dentry->d_inode)); - - if (count < 4) - return -EINVAL; - - user = file->private_data; - if (CHECK_USER(user)) - return -EIO; - - s = user->socket; - if (s->pcmcia_state.dead) - return -EIO; - - ret = wait_event_interruptible(s->queue, !queue_empty(user)); - if (ret == 0) - ret = put_user(get_queued_event(user), (int __user *)buf) ? -EFAULT : 4; - - return ret; -} /* ds_read */ - -/*====================================================================*/ - -static ssize_t ds_write(struct file *file, const char __user *buf, - size_t count, loff_t *ppos) -{ - pr_debug("ds_write(socket %d)\n", iminor(file->f_path.dentry->d_inode)); - - if (count != 4) - return -EINVAL; - if ((file->f_flags & O_ACCMODE) == O_RDONLY) - return -EBADF; - - return -EIO; -} /* ds_write */ - -/*====================================================================*/ - -/* No kernel lock - fine */ -static u_int ds_poll(struct file *file, poll_table *wait) -{ - struct pcmcia_socket *s; - user_info_t *user; - - pr_debug("ds_poll(socket %d)\n", iminor(file->f_path.dentry->d_inode)); - - user = file->private_data; - if (CHECK_USER(user)) - return POLLERR; - s = user->socket; - /* - * We don't check for a dead socket here since that - * will send cardmgr into an endless spin. - */ - poll_wait(file, &s->queue, wait); - if (!queue_empty(user)) - return POLLIN | POLLRDNORM; - return 0; -} /* ds_poll */ - -/*====================================================================*/ - -static int ds_ioctl(struct inode *inode, struct file *file, - u_int cmd, u_long arg) -{ - struct pcmcia_socket *s; - void __user *uarg = (char __user *)arg; - u_int size; - int ret, err; - ds_ioctl_arg_t *buf; - user_info_t *user; - - pr_debug("ds_ioctl(socket %d, %#x, %#lx)\n", iminor(inode), cmd, arg); - - user = file->private_data; - if (CHECK_USER(user)) - return -EIO; - - s = user->socket; - if (s->pcmcia_state.dead) - return -EIO; - - size = (cmd & IOCSIZE_MASK) >> IOCSIZE_SHIFT; - if (size > sizeof(ds_ioctl_arg_t)) - return -EINVAL; - - /* Permission check */ - if (!(cmd & IOC_OUT) && !capable(CAP_SYS_ADMIN)) - return -EPERM; - - if (cmd & IOC_IN) { - if (!access_ok(VERIFY_READ, uarg, size)) { - pr_debug("ds_ioctl(): verify_read = %d\n", -EFAULT); - return -EFAULT; - } - } - if (cmd & IOC_OUT) { - if (!access_ok(VERIFY_WRITE, uarg, size)) { - pr_debug("ds_ioctl(): verify_write = %d\n", -EFAULT); - return -EFAULT; - } - } - buf = kmalloc(sizeof(ds_ioctl_arg_t), GFP_KERNEL); - if (!buf) - return -ENOMEM; - - err = ret = 0; - - if (cmd & IOC_IN) { - if (__copy_from_user((char *)buf, uarg, size)) { - err = -EFAULT; - goto free_out; - } - } - - switch (cmd) { - case DS_ADJUST_RESOURCE_INFO: - ret = pcmcia_adjust_resource_info(&buf->adjust); - break; - case DS_GET_CONFIGURATION_INFO: - if (buf->config.Function && - (buf->config.Function >= s->functions)) - ret = -EINVAL; - else { - struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->config.Function); - ret = pccard_get_configuration_info(s, p_dev, &buf->config); - pcmcia_put_dev(p_dev); - } - break; - case DS_GET_FIRST_TUPLE: - mutex_lock(&s->skt_mutex); - pcmcia_validate_mem(s); - mutex_unlock(&s->skt_mutex); - ret = pccard_get_first_tuple(s, BIND_FN_ALL, &buf->tuple); - break; - case DS_GET_NEXT_TUPLE: - ret = pccard_get_next_tuple(s, BIND_FN_ALL, &buf->tuple); - break; - case DS_GET_TUPLE_DATA: - buf->tuple.TupleData = buf->tuple_parse.data; - buf->tuple.TupleDataMax = sizeof(buf->tuple_parse.data); - ret = pccard_get_tuple_data(s, &buf->tuple); - break; - case DS_PARSE_TUPLE: - buf->tuple.TupleData = buf->tuple_parse.data; - ret = pcmcia_parse_tuple(&buf->tuple, &buf->tuple_parse.parse); - break; - case DS_RESET_CARD: - ret = pcmcia_reset_card(s); - break; - case DS_GET_STATUS: - if (buf->status.Function && - (buf->status.Function >= s->functions)) - ret = -EINVAL; - else { - struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->status.Function); - ret = pccard_get_status(s, p_dev, &buf->status); - pcmcia_put_dev(p_dev); - } - break; - case DS_VALIDATE_CIS: - mutex_lock(&s->skt_mutex); - pcmcia_validate_mem(s); - mutex_unlock(&s->skt_mutex); - ret = pccard_validate_cis(s, &buf->cisinfo.Chains); - break; - case DS_SUSPEND_CARD: - ret = pcmcia_suspend_card(s); - break; - case DS_RESUME_CARD: - ret = pcmcia_resume_card(s); - break; - case DS_EJECT_CARD: - err = pcmcia_eject_card(s); - break; - case DS_INSERT_CARD: - err = pcmcia_insert_card(s); - break; - case DS_ACCESS_CONFIGURATION_REGISTER: - if ((buf->conf_reg.Action == CS_WRITE) && !capable(CAP_SYS_ADMIN)) { - err = -EPERM; - goto free_out; - } - - ret = -EINVAL; - - if (!(buf->conf_reg.Function && - (buf->conf_reg.Function >= s->functions))) { - struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->conf_reg.Function); - if (p_dev) { - ret = pcmcia_access_configuration_register(p_dev, &buf->conf_reg); - pcmcia_put_dev(p_dev); - } - } - break; - case DS_GET_FIRST_REGION: - case DS_GET_NEXT_REGION: - case DS_BIND_MTD: - if (!capable(CAP_SYS_ADMIN)) { - err = -EPERM; - goto free_out; - } else { - printk_once(KERN_WARNING - "2.6. kernels use pcmciamtd instead of memory_cs.c and do not require special\n"); - printk_once(KERN_WARNING "MTD handling any more.\n"); - } - err = -EINVAL; - goto free_out; - break; - case DS_GET_FIRST_WINDOW: - ret = pcmcia_get_window(s, &buf->win_info.handle, 1, - &buf->win_info.window); - break; - case DS_GET_NEXT_WINDOW: - ret = pcmcia_get_window(s, &buf->win_info.handle, - buf->win_info.handle + 1, &buf->win_info.window); - break; - case DS_GET_MEM_PAGE: - ret = pcmcia_get_mem_page(s, buf->win_info.handle, - &buf->win_info.map); - break; - case DS_REPLACE_CIS: - ret = pcmcia_replace_cis(s, buf->cisdump.Data, buf->cisdump.Length); - break; - case DS_BIND_REQUEST: - if (!capable(CAP_SYS_ADMIN)) { - err = -EPERM; - goto free_out; - } - err = bind_request(s, &buf->bind_info); - break; - case DS_GET_DEVICE_INFO: - err = get_device_info(s, &buf->bind_info, 1); - break; - case DS_GET_NEXT_DEVICE: - err = get_device_info(s, &buf->bind_info, 0); - break; - case DS_UNBIND_REQUEST: - err = 0; - break; - default: - err = -EINVAL; - } - - if ((err == 0) && (ret != 0)) { - pr_debug("ds_ioctl: ret = %d\n", ret); - switch (ret) { - case -ENODEV: - case -EINVAL: - case -EBUSY: - case -ENOSYS: - err = ret; - break; - case -ENOMEM: - err = -ENOSPC; break; - case -ENOSPC: - err = -ENODATA; break; - default: - err = -EIO; break; - } - } - - if (cmd & IOC_OUT) { - if (__copy_to_user(uarg, (char *)buf, size)) - err = -EFAULT; - } - -free_out: - kfree(buf); - return err; -} /* ds_ioctl */ - -/*====================================================================*/ - -static const struct file_operations ds_fops = { - .owner = THIS_MODULE, - .open = ds_open, - .release = ds_release, - .ioctl = ds_ioctl, - .read = ds_read, - .write = ds_write, - .poll = ds_poll, -}; - -void __init pcmcia_setup_ioctl(void) -{ - int i; - - /* Set up character device for user mode clients */ - i = register_chrdev(0, "pcmcia", &ds_fops); - if (i < 0) - printk(KERN_NOTICE "unable to find a free device # for " - "Driver Services (error=%d)\n", i); - else - major_dev = i; - -#ifdef CONFIG_PROC_FS - proc_pccard = proc_mkdir("bus/pccard", NULL); - if (proc_pccard) - proc_create("drivers", 0, proc_pccard, &pccard_drivers_proc_fops); -#endif -} - - -void __exit pcmcia_cleanup_ioctl(void) -{ -#ifdef CONFIG_PROC_FS - if (proc_pccard) { - remove_proc_entry("drivers", proc_pccard); - remove_proc_entry("bus/pccard", NULL); - } -#endif - if (major_dev != -1) - unregister_chrdev(major_dev, "pcmcia"); -} diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c index d5db95644b6..e8c19def1b0 100644 --- a/drivers/pcmcia/pcmcia_resource.c +++ b/drivers/pcmcia/pcmcia_resource.c @@ -6,7 +6,7 @@ * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. * * Copyright (C) 1999 David A. Hinds - * Copyright (C) 2004-2005 Dominik Brodowski + * Copyright (C) 2004-2010 Dominik Brodowski * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -21,10 +21,11 @@ #include <linux/pci.h> #include <linux/device.h> #include <linux/netdevice.h> +#include <linux/slab.h> + +#include <asm/irq.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include <pcmcia/cisreg.h> #include <pcmcia/ds.h> @@ -37,97 +38,46 @@ static int io_speed; module_param(io_speed, int, 0444); -#ifdef CONFIG_PCMCIA_PROBE -#include <asm/irq.h> -/* mask of IRQs already reserved by other cards, we should avoid using them */ -static u8 pcmcia_used_irq[NR_IRQS]; -#endif +int pcmcia_validate_mem(struct pcmcia_socket *s) +{ + if (s->resource_ops->validate_mem) + return s->resource_ops->validate_mem(s); + /* if there is no callback, we can assume that everything is OK */ + return 0; +} + +struct resource *pcmcia_find_mem_region(u_long base, u_long num, u_long align, + int low, struct pcmcia_socket *s) +{ + if (s->resource_ops->find_mem) + return s->resource_ops->find_mem(base, num, align, low, s); + return NULL; +} -/** alloc_io_space +/** + * release_io_space() - release IO ports allocated with alloc_io_space() + * @s: pcmcia socket + * @res: resource to release * - * Special stuff for managing IO windows, because they are scarce */ - -static int alloc_io_space(struct pcmcia_socket *s, u_int attr, - unsigned int *base, unsigned int num, u_int lines) +static void release_io_space(struct pcmcia_socket *s, struct resource *res) { + resource_size_t num = resource_size(res); int i; - unsigned int try, align; - - align = (*base) ? (lines ? 1<<lines : 0) : 1; - if (align && (align < num)) { - if (*base) { - dev_dbg(&s->dev, "odd IO request: num %#x align %#x\n", - num, align); - align = 0; - } else - while (align && (align < num)) - align <<= 1; - } - if (*base & ~(align-1)) { - dev_dbg(&s->dev, "odd IO request: base %#x align %#x\n", - *base, align); - align = 0; - } - if ((s->features & SS_CAP_STATIC_MAP) && s->io_offset) { - *base = s->io_offset | (*base & 0x0fff); - return 0; - } - /* Check for an already-allocated window that must conflict with - * what was asked for. It is a hack because it does not catch all - * potential conflicts, just the most obvious ones. - */ - for (i = 0; i < MAX_IO_WIN; i++) - if ((s->io[i].res) && *base && - ((s->io[i].res->start & (align-1)) == *base)) - return 1; - for (i = 0; i < MAX_IO_WIN; i++) { - if (!s->io[i].res) { - s->io[i].res = pcmcia_find_io_region(*base, num, align, s); - if (s->io[i].res) { - *base = s->io[i].res->start; - s->io[i].res->flags = (s->io[i].res->flags & ~IORESOURCE_BITS) | (attr & IORESOURCE_BITS); - s->io[i].InUse = num; - break; - } else - return 1; - } else if ((s->io[i].res->flags & IORESOURCE_BITS) != (attr & IORESOURCE_BITS)) - continue; - /* Try to extend top of window */ - try = s->io[i].res->end + 1; - if ((*base == 0) || (*base == try)) - if (pcmcia_adjust_io_region(s->io[i].res, s->io[i].res->start, - s->io[i].res->end + num, s) == 0) { - *base = try; - s->io[i].InUse += num; - break; - } - /* Try to extend bottom of window */ - try = s->io[i].res->start - num; - if ((*base == 0) || (*base == try)) - if (pcmcia_adjust_io_region(s->io[i].res, s->io[i].res->start - num, - s->io[i].res->end, s) == 0) { - *base = try; - s->io[i].InUse += num; - break; - } - } - return (i == MAX_IO_WIN); -} /* alloc_io_space */ - -static void release_io_space(struct pcmcia_socket *s, unsigned int base, - unsigned int num) -{ - int i; + dev_dbg(&s->dev, "release_io_space for %pR\n", res); for (i = 0; i < MAX_IO_WIN; i++) { if (!s->io[i].res) continue; - if ((s->io[i].res->start <= base) && - (s->io[i].res->end >= base+num-1)) { + if ((s->io[i].res->start <= res->start) && + (s->io[i].res->end >= res->end)) { s->io[i].InUse -= num; + if (res->parent) + release_resource(res); + res->start = res->end = 0; + res->flags = IORESOURCE_IO; /* Free the window if no one else is using it */ if (s->io[i].InUse == 0) { release_resource(s->io[i].res); @@ -136,173 +86,280 @@ static void release_io_space(struct pcmcia_socket *s, unsigned int base, } } } -} /* release_io_space */ +} -/** pccard_access_configuration_register +/** + * alloc_io_space() - allocate IO ports for use by a PCMCIA device + * @s: pcmcia socket + * @res: resource to allocate (begin: begin, end: size) + * @lines: number of IO lines decoded by the PCMCIA card * - * Access_configuration_register() reads and writes configuration - * registers in attribute memory. Memory window 0 is reserved for - * this and the tuple reading services. + * Special stuff for managing IO windows, because they are scarce */ +static int alloc_io_space(struct pcmcia_socket *s, struct resource *res, + unsigned int lines) +{ + unsigned int align; + unsigned int base = res->start; + unsigned int num = res->end; + int ret; + + res->flags |= IORESOURCE_IO; + + dev_dbg(&s->dev, "alloc_io_space request for %pR, %d lines\n", + res, lines); + + align = base ? (lines ? 1<<lines : 0) : 1; + if (align && (align < num)) { + if (base) { + dev_dbg(&s->dev, "odd IO request\n"); + align = 0; + } else + while (align && (align < num)) + align <<= 1; + } + if (base & ~(align-1)) { + dev_dbg(&s->dev, "odd IO request\n"); + align = 0; + } -int pcmcia_access_configuration_register(struct pcmcia_device *p_dev, - conf_reg_t *reg) + ret = s->resource_ops->find_io(s, res->flags, &base, num, align, + &res->parent); + if (ret) { + dev_dbg(&s->dev, "alloc_io_space request failed (%d)\n", ret); + return -EINVAL; + } + + res->start = base; + res->end = res->start + num - 1; + + if (res->parent) { + ret = request_resource(res->parent, res); + if (ret) { + dev_warn(&s->dev, + "request_resource %pR failed: %d\n", res, ret); + res->parent = NULL; + release_io_space(s, res); + } + } + dev_dbg(&s->dev, "alloc_io_space request result %d: %pR\n", ret, res); + return ret; +} + + +/** + * pcmcia_access_config() - read or write card configuration registers + * + * pcmcia_access_config() reads and writes configuration registers in + * attribute memory. Memory window 0 is reserved for this and the tuple + * reading services. Drivers must use pcmcia_read_config_byte() or + * pcmcia_write_config_byte(). + */ +static int pcmcia_access_config(struct pcmcia_device *p_dev, + off_t where, u8 *val, + int (*accessf) (struct pcmcia_socket *s, + int attr, unsigned int addr, + unsigned int len, void *ptr)) { struct pcmcia_socket *s; config_t *c; int addr; - u_char val; - - if (!p_dev || !p_dev->function_config) - return -EINVAL; + int ret = 0; s = p_dev->socket; + + mutex_lock(&s->ops_mutex); c = p_dev->function_config; if (!(c->state & CONFIG_LOCKED)) { - dev_dbg(&s->dev, "Configuration isnt't locked\n"); + dev_dbg(&p_dev->dev, "Configuration isn't locked\n"); + mutex_unlock(&s->ops_mutex); return -EACCES; } - addr = (c->ConfigBase + reg->Offset) >> 1; - - switch (reg->Action) { - case CS_READ: - pcmcia_read_cis_mem(s, 1, addr, 1, &val); - reg->Value = val; - break; - case CS_WRITE: - val = reg->Value; - pcmcia_write_cis_mem(s, 1, addr, 1, &val); - break; - default: - dev_dbg(&s->dev, "Invalid conf register request\n"); - return -EINVAL; - break; - } - return 0; -} /* pcmcia_access_configuration_register */ -EXPORT_SYMBOL(pcmcia_access_configuration_register); + addr = (p_dev->config_base + where) >> 1; + + ret = accessf(s, 1, addr, 1, val); + + mutex_unlock(&s->ops_mutex); + + return ret; +} -int pcmcia_map_mem_page(struct pcmcia_device *p_dev, window_handle_t wh, - memreq_t *req) +/** + * pcmcia_read_config_byte() - read a byte from a card configuration register + * + * pcmcia_read_config_byte() reads a byte from a configuration register in + * attribute memory. + */ +int pcmcia_read_config_byte(struct pcmcia_device *p_dev, off_t where, u8 *val) +{ + return pcmcia_access_config(p_dev, where, val, pcmcia_read_cis_mem); +} +EXPORT_SYMBOL(pcmcia_read_config_byte); + + +/** + * pcmcia_write_config_byte() - write a byte to a card configuration register + * + * pcmcia_write_config_byte() writes a byte to a configuration register in + * attribute memory. + */ +int pcmcia_write_config_byte(struct pcmcia_device *p_dev, off_t where, u8 val) +{ + return pcmcia_access_config(p_dev, where, &val, pcmcia_write_cis_mem); +} +EXPORT_SYMBOL(pcmcia_write_config_byte); + + +/** + * pcmcia_map_mem_page() - modify iomem window to point to a different offset + * @p_dev: pcmcia device + * @res: iomem resource already enabled by pcmcia_request_window() + * @offset: card_offset to map + * + * pcmcia_map_mem_page() modifies what can be read and written by accessing + * an iomem range previously enabled by pcmcia_request_window(), by setting + * the card_offset value to @offset. + */ +int pcmcia_map_mem_page(struct pcmcia_device *p_dev, struct resource *res, + unsigned int offset) { struct pcmcia_socket *s = p_dev->socket; + unsigned int w; + int ret; - wh--; - if (wh >= MAX_WIN) - return -EINVAL; - if (req->Page != 0) { - dev_dbg(&s->dev, "failure: requested page is zero\n"); + w = ((res->flags & IORESOURCE_BITS & WIN_FLAGS_REQ) >> 2) - 1; + if (w >= MAX_WIN) return -EINVAL; - } - s->win[wh].card_start = req->CardOffset; - if (s->ops->set_mem_map(s, &s->win[wh]) != 0) { - dev_dbg(&s->dev, "failed to set_mem_map\n"); - return -EIO; - } - return 0; -} /* pcmcia_map_mem_page */ + + mutex_lock(&s->ops_mutex); + s->win[w].card_start = offset; + ret = s->ops->set_mem_map(s, &s->win[w]); + if (ret) + dev_warn(&p_dev->dev, "failed to set_mem_map\n"); + mutex_unlock(&s->ops_mutex); + return ret; +} EXPORT_SYMBOL(pcmcia_map_mem_page); -/** pcmcia_modify_configuration +/** + * pcmcia_fixup_iowidth() - reduce io width to 8bit + * @p_dev: pcmcia device * - * Modify a locked socket configuration + * pcmcia_fixup_iowidth() allows a PCMCIA device driver to reduce the + * IO width to 8bit after having called pcmcia_enable_device() + * previously. */ -int pcmcia_modify_configuration(struct pcmcia_device *p_dev, - modconf_t *mod) +int pcmcia_fixup_iowidth(struct pcmcia_device *p_dev) { - struct pcmcia_socket *s; - config_t *c; + struct pcmcia_socket *s = p_dev->socket; + pccard_io_map io_off = { 0, 0, 0, 0, 1 }; + pccard_io_map io_on; + int i, ret = 0; - s = p_dev->socket; - c = p_dev->function_config; + mutex_lock(&s->ops_mutex); - if (!(s->state & SOCKET_PRESENT)) { - dev_dbg(&s->dev, "No card present\n"); - return -ENODEV; - } - if (!(c->state & CONFIG_LOCKED)) { - dev_dbg(&s->dev, "Configuration isnt't locked\n"); - return -EACCES; - } + dev_dbg(&p_dev->dev, "fixup iowidth to 8bit\n"); - if (mod->Attributes & CONF_IRQ_CHANGE_VALID) { - if (mod->Attributes & CONF_ENABLE_IRQ) { - c->Attributes |= CONF_ENABLE_IRQ; - s->socket.io_irq = s->irq.AssignedIRQ; - } else { - c->Attributes &= ~CONF_ENABLE_IRQ; - s->socket.io_irq = 0; - } - s->ops->set_socket(s, &s->socket); + if (!(s->state & SOCKET_PRESENT) || + !(p_dev->function_config->state & CONFIG_LOCKED)) { + dev_dbg(&p_dev->dev, "No card? Config not locked?\n"); + ret = -EACCES; + goto unlock; } - if (mod->Attributes & CONF_VCC_CHANGE_VALID) { - dev_dbg(&s->dev, "changing Vcc is not allowed at this time\n"); - return -EINVAL; + io_on.speed = io_speed; + for (i = 0; i < MAX_IO_WIN; i++) { + if (!s->io[i].res) + continue; + io_off.map = i; + io_on.map = i; + + io_on.flags = MAP_ACTIVE | IO_DATA_PATH_WIDTH_8; + io_on.start = s->io[i].res->start; + io_on.stop = s->io[i].res->end; + + s->ops->set_io_map(s, &io_off); + mdelay(40); + s->ops->set_io_map(s, &io_on); } +unlock: + mutex_unlock(&s->ops_mutex); - /* We only allow changing Vpp1 and Vpp2 to the same value */ - if ((mod->Attributes & CONF_VPP1_CHANGE_VALID) && - (mod->Attributes & CONF_VPP2_CHANGE_VALID)) { - if (mod->Vpp1 != mod->Vpp2) { - dev_dbg(&s->dev, "Vpp1 and Vpp2 must be the same\n"); - return -EINVAL; - } - s->socket.Vpp = mod->Vpp1; - if (s->ops->set_socket(s, &s->socket)) { - dev_printk(KERN_WARNING, &s->dev, - "Unable to set VPP\n"); - return -EIO; - } - } else if ((mod->Attributes & CONF_VPP1_CHANGE_VALID) || - (mod->Attributes & CONF_VPP2_CHANGE_VALID)) { - dev_dbg(&s->dev, "changing Vcc is not allowed at this time\n"); - return -EINVAL; + return ret; +} +EXPORT_SYMBOL(pcmcia_fixup_iowidth); + + +/** + * pcmcia_fixup_vpp() - set Vpp to a new voltage level + * @p_dev: pcmcia device + * @new_vpp: new Vpp voltage + * + * pcmcia_fixup_vpp() allows a PCMCIA device driver to set Vpp to + * a new voltage level between calls to pcmcia_enable_device() + * and pcmcia_disable_device(). + */ +int pcmcia_fixup_vpp(struct pcmcia_device *p_dev, unsigned char new_vpp) +{ + struct pcmcia_socket *s = p_dev->socket; + int ret = 0; + + mutex_lock(&s->ops_mutex); + + dev_dbg(&p_dev->dev, "fixup Vpp to %d\n", new_vpp); + + if (!(s->state & SOCKET_PRESENT) || + !(p_dev->function_config->state & CONFIG_LOCKED)) { + dev_dbg(&p_dev->dev, "No card? Config not locked?\n"); + ret = -EACCES; + goto unlock; } - if (mod->Attributes & CONF_IO_CHANGE_WIDTH) { - pccard_io_map io_off = { 0, 0, 0, 0, 1 }; - pccard_io_map io_on; - int i; - - io_on.speed = io_speed; - for (i = 0; i < MAX_IO_WIN; i++) { - if (!s->io[i].res) - continue; - io_off.map = i; - io_on.map = i; - - io_on.flags = MAP_ACTIVE | IO_DATA_PATH_WIDTH_8; - io_on.start = s->io[i].res->start; - io_on.stop = s->io[i].res->end; - - s->ops->set_io_map(s, &io_off); - mdelay(40); - s->ops->set_io_map(s, &io_on); - } + s->socket.Vpp = new_vpp; + if (s->ops->set_socket(s, &s->socket)) { + dev_warn(&p_dev->dev, "Unable to set VPP\n"); + ret = -EIO; + goto unlock; } + p_dev->vpp = new_vpp; - return 0; -} /* modify_configuration */ -EXPORT_SYMBOL(pcmcia_modify_configuration); +unlock: + mutex_unlock(&s->ops_mutex); + + return ret; +} +EXPORT_SYMBOL(pcmcia_fixup_vpp); +/** + * pcmcia_release_configuration() - physically disable a PCMCIA device + * @p_dev: pcmcia device + * + * pcmcia_release_configuration() is the 1:1 counterpart to + * pcmcia_enable_device(): If a PCMCIA device is no longer used by any + * driver, the Vpp voltage is set to 0, IRQs will no longer be generated, + * and I/O ranges will be disabled. As pcmcia_release_io() and + * pcmcia_release_window() still need to be called, device drivers are + * expected to call pcmcia_disable_device() instead. + */ int pcmcia_release_configuration(struct pcmcia_device *p_dev) { pccard_io_map io = { 0, 0, 0, 0, 1 }; struct pcmcia_socket *s = p_dev->socket; - config_t *c = p_dev->function_config; + config_t *c; int i; + mutex_lock(&s->ops_mutex); + c = p_dev->function_config; if (p_dev->_locked) { p_dev->_locked = 0; if (--(s->lock_count) == 0) { - s->socket.flags = SS_OUTPUT_ENA; /* Is this correct? */ + s->socket.flags = SS_OUTPUT_ENA; /* Is this correct? */ s->socket.Vpp = 0; s->socket.io_irq = 0; s->ops->set_socket(s, &s->socket); @@ -321,204 +378,213 @@ int pcmcia_release_configuration(struct pcmcia_device *p_dev) s->ops->set_io_map(s, &io); } } + mutex_unlock(&s->ops_mutex); return 0; -} /* pcmcia_release_configuration */ +} -/** pcmcia_release_io +/** + * pcmcia_release_io() - release I/O allocated by a PCMCIA device + * @p_dev: pcmcia device * - * Release_io() releases the I/O ranges allocated by a client. This - * may be invoked some time after a card ejection has already dumped - * the actual socket configuration, so if the client is "stale", we - * don't bother checking the port ranges against the current socket - * values. + * pcmcia_release_io() releases the I/O ranges allocated by a PCMCIA + * device. This may be invoked some time after a card ejection has + * already dumped the actual socket configuration, so if the client is + * "stale", we don't bother checking the port ranges against the + * current socket values. */ -static int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req) +static int pcmcia_release_io(struct pcmcia_device *p_dev) { struct pcmcia_socket *s = p_dev->socket; - config_t *c = p_dev->function_config; + int ret = -EINVAL; + config_t *c; + mutex_lock(&s->ops_mutex); if (!p_dev->_io) - return -EINVAL; + goto out; - p_dev->_io = 0; + c = p_dev->function_config; - if ((c->io.BasePort1 != req->BasePort1) || - (c->io.NumPorts1 != req->NumPorts1) || - (c->io.BasePort2 != req->BasePort2) || - (c->io.NumPorts2 != req->NumPorts2)) - return -EINVAL; + release_io_space(s, &c->io[0]); + + if (c->io[1].end) + release_io_space(s, &c->io[1]); + p_dev->_io = 0; c->state &= ~CONFIG_IO_REQ; - release_io_space(s, req->BasePort1, req->NumPorts1); - if (req->NumPorts2) - release_io_space(s, req->BasePort2, req->NumPorts2); +out: + mutex_unlock(&s->ops_mutex); - return 0; + return ret; } /* pcmcia_release_io */ -static int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req) -{ - struct pcmcia_socket *s = p_dev->socket; - config_t *c = p_dev->function_config; - - if (!p_dev->_irq) - return -EINVAL; - p_dev->_irq = 0; - - if (c->state & CONFIG_LOCKED) - return -EACCES; - if (c->irq.Attributes != req->Attributes) { - dev_dbg(&s->dev, "IRQ attributes must match assigned ones\n"); - return -EINVAL; - } - if (s->irq.AssignedIRQ != req->AssignedIRQ) { - dev_dbg(&s->dev, "IRQ must match assigned one\n"); - return -EINVAL; - } - if (--s->irq.Config == 0) { - c->state &= ~CONFIG_IRQ_REQ; - s->irq.AssignedIRQ = 0; - } - - if (req->Handler) - free_irq(req->AssignedIRQ, p_dev->priv); - -#ifdef CONFIG_PCMCIA_PROBE - pcmcia_used_irq[req->AssignedIRQ]--; -#endif - - return 0; -} /* pcmcia_release_irq */ - - -int pcmcia_release_window(struct pcmcia_device *p_dev, window_handle_t wh) +/** + * pcmcia_release_window() - release reserved iomem for PCMCIA devices + * @p_dev: pcmcia device + * @res: iomem resource to release + * + * pcmcia_release_window() releases &struct resource *res which was + * previously reserved by calling pcmcia_request_window(). + */ +int pcmcia_release_window(struct pcmcia_device *p_dev, struct resource *res) { struct pcmcia_socket *s = p_dev->socket; pccard_mem_map *win; + unsigned int w; + + dev_dbg(&p_dev->dev, "releasing window %pR\n", res); - wh--; - if (wh >= MAX_WIN) + w = ((res->flags & IORESOURCE_BITS & WIN_FLAGS_REQ) >> 2) - 1; + if (w >= MAX_WIN) return -EINVAL; - win = &s->win[wh]; + mutex_lock(&s->ops_mutex); + win = &s->win[w]; - if (!(p_dev->_win & CLIENT_WIN_REQ(wh))) { - dev_dbg(&s->dev, "not releasing unknown window\n"); + if (!(p_dev->_win & CLIENT_WIN_REQ(w))) { + dev_dbg(&p_dev->dev, "not releasing unknown window\n"); + mutex_unlock(&s->ops_mutex); return -EINVAL; } /* Shut down memory window */ win->flags &= ~MAP_ACTIVE; s->ops->set_mem_map(s, win); - s->state &= ~SOCKET_WIN_REQ(wh); + s->state &= ~SOCKET_WIN_REQ(w); /* Release system memory */ if (win->res) { + release_resource(res); release_resource(win->res); kfree(win->res); win->res = NULL; } - p_dev->_win &= ~CLIENT_WIN_REQ(wh); + res->start = res->end = 0; + res->flags = IORESOURCE_MEM; + p_dev->_win &= ~CLIENT_WIN_REQ(w); + mutex_unlock(&s->ops_mutex); return 0; } /* pcmcia_release_window */ EXPORT_SYMBOL(pcmcia_release_window); -int pcmcia_request_configuration(struct pcmcia_device *p_dev, - config_req_t *req) +/** + * pcmcia_enable_device() - set up and activate a PCMCIA device + * @p_dev: the associated PCMCIA device + * + * pcmcia_enable_device() physically enables a PCMCIA device. It parses + * the flags passed to in @flags and stored in @p_dev->flags and sets up + * the Vpp voltage, enables the speaker line, I/O ports and store proper + * values to configuration registers. + */ +int pcmcia_enable_device(struct pcmcia_device *p_dev) { int i; - u_int base; + unsigned int base; struct pcmcia_socket *s = p_dev->socket; config_t *c; pccard_io_map iomap; + unsigned char status = 0; + unsigned char ext_status = 0; + unsigned char option = 0; + unsigned int flags = p_dev->config_flags; if (!(s->state & SOCKET_PRESENT)) return -ENODEV; - if (req->IntType & INT_CARDBUS) { - dev_dbg(&s->dev, "IntType may not be INT_CARDBUS\n"); - return -EINVAL; - } + mutex_lock(&s->ops_mutex); c = p_dev->function_config; if (c->state & CONFIG_LOCKED) { - dev_dbg(&s->dev, "Configuration is locked\n"); + mutex_unlock(&s->ops_mutex); + dev_dbg(&p_dev->dev, "Configuration is locked\n"); return -EACCES; } /* Do power control. We don't allow changes in Vcc. */ - s->socket.Vpp = req->Vpp; + s->socket.Vpp = p_dev->vpp; if (s->ops->set_socket(s, &s->socket)) { - dev_printk(KERN_WARNING, &s->dev, + mutex_unlock(&s->ops_mutex); + dev_printk(KERN_WARNING, &p_dev->dev, "Unable to set socket state\n"); return -EINVAL; } /* Pick memory or I/O card, DMA mode, interrupt */ - c->IntType = req->IntType; - c->Attributes = req->Attributes; - if (req->IntType & INT_MEMORY_AND_IO) + if (p_dev->_io || flags & CONF_ENABLE_IRQ) + flags |= CONF_ENABLE_IOCARD; + if (flags & CONF_ENABLE_IOCARD) s->socket.flags |= SS_IOCARD; - if (req->IntType & INT_ZOOMED_VIDEO) + if (flags & CONF_ENABLE_ZVCARD) s->socket.flags |= SS_ZVCARD | SS_IOCARD; - if (req->Attributes & CONF_ENABLE_DMA) - s->socket.flags |= SS_DMA_MODE; - if (req->Attributes & CONF_ENABLE_SPKR) + if (flags & CONF_ENABLE_SPKR) { s->socket.flags |= SS_SPKR_ENA; - if (req->Attributes & CONF_ENABLE_IRQ) - s->socket.io_irq = s->irq.AssignedIRQ; + status = CCSR_AUDIO_ENA; + if (!(p_dev->config_regs & PRESENT_STATUS)) + dev_warn(&p_dev->dev, "speaker requested, but " + "PRESENT_STATUS not set!\n"); + } + if (flags & CONF_ENABLE_IRQ) + s->socket.io_irq = s->pcmcia_irq; else s->socket.io_irq = 0; + if (flags & CONF_ENABLE_ESR) { + p_dev->config_regs |= PRESENT_EXT_STATUS; + ext_status = ESR_REQ_ATTN_ENA; + } s->ops->set_socket(s, &s->socket); s->lock_count++; + dev_dbg(&p_dev->dev, + "enable_device: V %d, flags %x, base %x, regs %x, idx %x\n", + p_dev->vpp, flags, p_dev->config_base, p_dev->config_regs, + p_dev->config_index); + /* Set up CIS configuration registers */ - base = c->ConfigBase = req->ConfigBase; - c->CardValues = req->Present; - if (req->Present & PRESENT_COPY) { - c->Copy = req->Copy; - pcmcia_write_cis_mem(s, 1, (base + CISREG_SCR)>>1, 1, &c->Copy); - } - if (req->Present & PRESENT_OPTION) { + base = p_dev->config_base; + if (p_dev->config_regs & PRESENT_COPY) { + u16 tmp = 0; + dev_dbg(&p_dev->dev, "clearing CISREG_SCR\n"); + pcmcia_write_cis_mem(s, 1, (base + CISREG_SCR)>>1, 1, &tmp); + } + if (p_dev->config_regs & PRESENT_PIN_REPLACE) { + u16 tmp = 0; + dev_dbg(&p_dev->dev, "clearing CISREG_PRR\n"); + pcmcia_write_cis_mem(s, 1, (base + CISREG_PRR)>>1, 1, &tmp); + } + if (p_dev->config_regs & PRESENT_OPTION) { if (s->functions == 1) { - c->Option = req->ConfigIndex & COR_CONFIG_MASK; + option = p_dev->config_index & COR_CONFIG_MASK; } else { - c->Option = req->ConfigIndex & COR_MFC_CONFIG_MASK; - c->Option |= COR_FUNC_ENA|COR_IREQ_ENA; - if (req->Present & PRESENT_IOBASE_0) - c->Option |= COR_ADDR_DECODE; + option = p_dev->config_index & COR_MFC_CONFIG_MASK; + option |= COR_FUNC_ENA|COR_IREQ_ENA; + if (p_dev->config_regs & PRESENT_IOBASE_0) + option |= COR_ADDR_DECODE; } - if (c->state & CONFIG_IRQ_REQ) - if (!(c->irq.Attributes & IRQ_FORCED_PULSE)) - c->Option |= COR_LEVEL_REQ; - pcmcia_write_cis_mem(s, 1, (base + CISREG_COR)>>1, 1, &c->Option); + if ((flags & CONF_ENABLE_IRQ) && + !(flags & CONF_ENABLE_PULSE_IRQ)) + option |= COR_LEVEL_REQ; + pcmcia_write_cis_mem(s, 1, (base + CISREG_COR)>>1, 1, &option); mdelay(40); } - if (req->Present & PRESENT_STATUS) { - c->Status = req->Status; - pcmcia_write_cis_mem(s, 1, (base + CISREG_CCSR)>>1, 1, &c->Status); - } - if (req->Present & PRESENT_PIN_REPLACE) { - c->Pin = req->Pin; - pcmcia_write_cis_mem(s, 1, (base + CISREG_PRR)>>1, 1, &c->Pin); - } - if (req->Present & PRESENT_EXT_STATUS) { - c->ExtStatus = req->ExtStatus; - pcmcia_write_cis_mem(s, 1, (base + CISREG_ESR)>>1, 1, &c->ExtStatus); - } - if (req->Present & PRESENT_IOBASE_0) { - u_char b = c->io.BasePort1 & 0xff; + if (p_dev->config_regs & PRESENT_STATUS) + pcmcia_write_cis_mem(s, 1, (base + CISREG_CCSR)>>1, 1, &status); + + if (p_dev->config_regs & PRESENT_EXT_STATUS) + pcmcia_write_cis_mem(s, 1, (base + CISREG_ESR)>>1, 1, + &ext_status); + + if (p_dev->config_regs & PRESENT_IOBASE_0) { + u8 b = c->io[0].start & 0xff; pcmcia_write_cis_mem(s, 1, (base + CISREG_IOBASE_0)>>1, 1, &b); - b = (c->io.BasePort1 >> 8) & 0xff; + b = (c->io[0].start >> 8) & 0xff; pcmcia_write_cis_mem(s, 1, (base + CISREG_IOBASE_1)>>1, 1, &b); } - if (req->Present & PRESENT_IOSIZE) { - u_char b = c->io.NumPorts1 + c->io.NumPorts2 - 1; + if (p_dev->config_regs & PRESENT_IOSIZE) { + u8 b = resource_size(&c->io[0]) + resource_size(&c->io[1]) - 1; pcmcia_write_cis_mem(s, 1, (base + CISREG_IOSIZE)>>1, 1, &b); } @@ -546,263 +612,319 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev, c->state |= CONFIG_LOCKED; p_dev->_locked = 1; + mutex_unlock(&s->ops_mutex); return 0; -} /* pcmcia_request_configuration */ -EXPORT_SYMBOL(pcmcia_request_configuration); +} /* pcmcia_enable_device */ +EXPORT_SYMBOL(pcmcia_enable_device); -/** pcmcia_request_io +/** + * pcmcia_request_io() - attempt to reserve port ranges for PCMCIA devices + * @p_dev: the associated PCMCIA device * - * Request_io() reserves ranges of port addresses for a socket. - * I have not implemented range sharing or alias addressing. + * pcmcia_request_io() attempts to reserve the IO port ranges specified in + * &struct pcmcia_device @p_dev->resource[0] and @p_dev->resource[1]. The + * "start" value is the requested start of the IO port resource; "end" + * reflects the number of ports requested. The number of IO lines requested + * is specified in &struct pcmcia_device @p_dev->io_lines. */ -int pcmcia_request_io(struct pcmcia_device *p_dev, io_req_t *req) +int pcmcia_request_io(struct pcmcia_device *p_dev) { struct pcmcia_socket *s = p_dev->socket; - config_t *c; + config_t *c = p_dev->function_config; + int ret = -EINVAL; + + mutex_lock(&s->ops_mutex); + dev_dbg(&p_dev->dev, "pcmcia_request_io: %pR , %pR", + &c->io[0], &c->io[1]); if (!(s->state & SOCKET_PRESENT)) { - dev_dbg(&s->dev, "No card present\n"); - return -ENODEV; + dev_dbg(&p_dev->dev, "pcmcia_request_io: No card present\n"); + goto out; } - if (!req) - return -EINVAL; - c = p_dev->function_config; if (c->state & CONFIG_LOCKED) { - dev_dbg(&s->dev, "Configuration is locked\n"); - return -EACCES; + dev_dbg(&p_dev->dev, "Configuration is locked\n"); + goto out; } if (c->state & CONFIG_IO_REQ) { - dev_dbg(&s->dev, "IO already configured\n"); - return -EBUSY; - } - if (req->Attributes1 & (IO_SHARED | IO_FORCE_ALIAS_ACCESS)) { - dev_dbg(&s->dev, "bad attribute setting for IO region 1\n"); - return -EINVAL; - } - if ((req->NumPorts2 > 0) && - (req->Attributes2 & (IO_SHARED | IO_FORCE_ALIAS_ACCESS))) { - dev_dbg(&s->dev, "bad attribute setting for IO region 2\n"); - return -EINVAL; + dev_dbg(&p_dev->dev, "IO already configured\n"); + goto out; } - dev_dbg(&s->dev, "trying to allocate resource 1\n"); - if (alloc_io_space(s, req->Attributes1, &req->BasePort1, - req->NumPorts1, req->IOAddrLines)) { - dev_dbg(&s->dev, "allocation of resource 1 failed\n"); - return -EBUSY; - } + ret = alloc_io_space(s, &c->io[0], p_dev->io_lines); + if (ret) + goto out; - if (req->NumPorts2) { - dev_dbg(&s->dev, "trying to allocate resource 2\n"); - if (alloc_io_space(s, req->Attributes2, &req->BasePort2, - req->NumPorts2, req->IOAddrLines)) { - dev_dbg(&s->dev, "allocation of resource 2 failed\n"); - release_io_space(s, req->BasePort1, req->NumPorts1); - return -EBUSY; + if (c->io[1].end) { + ret = alloc_io_space(s, &c->io[1], p_dev->io_lines); + if (ret) { + struct resource tmp = c->io[0]; + /* release the previously allocated resource */ + release_io_space(s, &c->io[0]); + /* but preserve the settings, for they worked... */ + c->io[0].end = resource_size(&tmp); + c->io[0].start = tmp.start; + c->io[0].flags = tmp.flags; + goto out; } - } + } else + c->io[1].start = 0; - c->io = *req; c->state |= CONFIG_IO_REQ; p_dev->_io = 1; - return 0; + + dev_dbg(&p_dev->dev, "pcmcia_request_io succeeded: %pR , %pR", + &c->io[0], &c->io[1]); +out: + mutex_unlock(&s->ops_mutex); + + return ret; } /* pcmcia_request_io */ EXPORT_SYMBOL(pcmcia_request_io); -/** pcmcia_request_irq +/** + * pcmcia_request_irq() - attempt to request a IRQ for a PCMCIA device + * @p_dev: the associated PCMCIA device + * @handler: IRQ handler to register * - * Request_irq() reserves an irq for this client. + * pcmcia_request_irq() is a wrapper around request_irq() which allows + * the PCMCIA core to clean up the registration in pcmcia_disable_device(). + * Drivers are free to use request_irq() directly, but then they need to + * call free_irq() themselfves, too. Also, only %IRQF_SHARED capable IRQ + * handlers are allowed. + */ +int __must_check pcmcia_request_irq(struct pcmcia_device *p_dev, + irq_handler_t handler) +{ + int ret; + + if (!p_dev->irq) + return -EINVAL; + + ret = request_irq(p_dev->irq, handler, IRQF_SHARED, + p_dev->devname, p_dev->priv); + if (!ret) + p_dev->_irq = 1; + + return ret; +} +EXPORT_SYMBOL(pcmcia_request_irq); + + +/** + * pcmcia_request_exclusive_irq() - attempt to request an exclusive IRQ first + * @p_dev: the associated PCMCIA device + * @handler: IRQ handler to register * - * Also, since Linux only reserves irq's when they are actually - * hooked, we don't guarantee that an irq will still be available - * when the configuration is locked. Now that I think about it, - * there might be a way to fix this using a dummy handler. + * pcmcia_request_exclusive_irq() is a wrapper around request_irq() which + * attempts first to request an exclusive IRQ. If it fails, it also accepts + * a shared IRQ, but prints out a warning. PCMCIA drivers should allow for + * IRQ sharing and either use request_irq directly (then they need to call + * free_irq() themselves, too), or the pcmcia_request_irq() function. */ +int __must_check +__pcmcia_request_exclusive_irq(struct pcmcia_device *p_dev, + irq_handler_t handler) +{ + int ret; + + if (!p_dev->irq) + return -EINVAL; + + ret = request_irq(p_dev->irq, handler, 0, p_dev->devname, p_dev->priv); + if (ret) { + ret = pcmcia_request_irq(p_dev, handler); + dev_printk(KERN_WARNING, &p_dev->dev, "pcmcia: " + "request for exclusive IRQ could not be fulfilled.\n"); + dev_printk(KERN_WARNING, &p_dev->dev, "pcmcia: the driver " + "needs updating to supported shared IRQ lines.\n"); + } + if (ret) + dev_printk(KERN_INFO, &p_dev->dev, "request_irq() failed\n"); + else + p_dev->_irq = 1; + + return ret; +} /* pcmcia_request_exclusive_irq */ +EXPORT_SYMBOL(__pcmcia_request_exclusive_irq); + #ifdef CONFIG_PCMCIA_PROBE + +/* mask of IRQs already reserved by other cards, we should avoid using them */ +static u8 pcmcia_used_irq[32]; + static irqreturn_t test_action(int cpl, void *dev_id) { return IRQ_NONE; } -#endif -int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req) +/** + * pcmcia_setup_isa_irq() - determine whether an ISA IRQ can be used + * @p_dev - the associated PCMCIA device + * + * locking note: must be called with ops_mutex locked. + */ +static int pcmcia_setup_isa_irq(struct pcmcia_device *p_dev, int type) { struct pcmcia_socket *s = p_dev->socket; - config_t *c; - int ret = -EINVAL, irq = 0; - int type; + unsigned int try, irq; + u32 mask = s->irq_mask; + int ret = -ENODEV; - if (!(s->state & SOCKET_PRESENT)) { - dev_dbg(&s->dev, "No card present\n"); - return -ENODEV; - } - c = p_dev->function_config; - if (c->state & CONFIG_LOCKED) { - dev_dbg(&s->dev, "Configuration is locked\n"); - return -EACCES; - } - if (c->state & CONFIG_IRQ_REQ) { - dev_dbg(&s->dev, "IRQ already configured\n"); - return -EBUSY; - } + for (try = 0; try < 64; try++) { + irq = try % 32; - /* Decide what type of interrupt we are registering */ - type = 0; - if (s->functions > 1) /* All of this ought to be handled higher up */ - type = IRQF_SHARED; - else if (req->Attributes & IRQ_TYPE_DYNAMIC_SHARING) - type = IRQF_SHARED; - else - printk(KERN_WARNING "pcmcia: Driver needs updating to support IRQ sharing.\n"); + if (irq > NR_IRQS) + continue; -#ifdef CONFIG_PCMCIA_PROBE + /* marked as available by driver, not blocked by userspace? */ + if (!((mask >> irq) & 1)) + continue; -#ifdef IRQ_NOAUTOEN - /* if the underlying IRQ infrastructure allows for it, only allocate - * the IRQ, but do not enable it - */ - if (!(req->Handler)) - type |= IRQ_NOAUTOEN; -#endif /* IRQ_NOAUTOEN */ - - if (s->irq.AssignedIRQ != 0) { - /* If the interrupt is already assigned, it must be the same */ - irq = s->irq.AssignedIRQ; - } else { - int try; - u32 mask = s->irq_mask; - void *data = p_dev; /* something unique to this device */ - - for (try = 0; try < 64; try++) { - irq = try % 32; - - /* marked as available by driver, and not blocked by userspace? */ - if (!((mask >> irq) & 1)) - continue; - - /* avoid an IRQ which is already used by a PCMCIA card */ - if ((try < 32) && pcmcia_used_irq[irq]) - continue; - - /* register the correct driver, if possible, of check whether - * registering a dummy handle works, i.e. if the IRQ isn't - * marked as used by the kernel resource management core */ - ret = request_irq(irq, - (req->Handler) ? req->Handler : test_action, - type, - p_dev->devname, - (req->Handler) ? p_dev->priv : data); - if (!ret) { - if (!req->Handler) - free_irq(irq, data); - break; - } - } - } -#endif - /* only assign PCI irq if no IRQ already assigned */ - if (ret && !s->irq.AssignedIRQ) { - if (!s->pci_irq) { - dev_printk(KERN_INFO, &s->dev, "no IRQ found\n"); - return ret; - } - type = IRQF_SHARED; - irq = s->pci_irq; - } + /* avoid an IRQ which is already used by another PCMCIA card */ + if ((try < 32) && pcmcia_used_irq[irq]) + continue; - if (ret && req->Handler) { - ret = request_irq(irq, req->Handler, type, - p_dev->devname, p_dev->priv); - if (ret) { - dev_printk(KERN_INFO, &s->dev, - "request_irq() failed\n"); - return ret; + /* register the correct driver, if possible, to check whether + * registering a dummy handle works, i.e. if the IRQ isn't + * marked as used by the kernel resource management core */ + ret = request_irq(irq, test_action, type, p_dev->devname, + p_dev); + if (!ret) { + free_irq(irq, p_dev); + p_dev->irq = s->pcmcia_irq = irq; + pcmcia_used_irq[irq]++; + break; } } - /* Make sure the fact the request type was overridden is passed back */ - if (type == IRQF_SHARED && !(req->Attributes & IRQ_TYPE_DYNAMIC_SHARING)) { - req->Attributes |= IRQ_TYPE_DYNAMIC_SHARING; - dev_printk(KERN_WARNING, &p_dev->dev, "pcmcia: " - "request for exclusive IRQ could not be fulfilled.\n"); - dev_printk(KERN_WARNING, &p_dev->dev, "pcmcia: the driver " - "needs updating to supported shared IRQ lines.\n"); + return ret; +} + +void pcmcia_cleanup_irq(struct pcmcia_socket *s) +{ + pcmcia_used_irq[s->pcmcia_irq]--; + s->pcmcia_irq = 0; +} + +#else /* CONFIG_PCMCIA_PROBE */ + +static int pcmcia_setup_isa_irq(struct pcmcia_device *p_dev, int type) +{ + return -EINVAL; +} + +void pcmcia_cleanup_irq(struct pcmcia_socket *s) +{ + s->pcmcia_irq = 0; + return; +} + +#endif /* CONFIG_PCMCIA_PROBE */ + + +/** + * pcmcia_setup_irq() - determine IRQ to be used for device + * @p_dev - the associated PCMCIA device + * + * locking note: must be called with ops_mutex locked. + */ +int pcmcia_setup_irq(struct pcmcia_device *p_dev) +{ + struct pcmcia_socket *s = p_dev->socket; + + if (p_dev->irq) + return 0; + + /* already assigned? */ + if (s->pcmcia_irq) { + p_dev->irq = s->pcmcia_irq; + return 0; } - c->irq.Attributes = req->Attributes; - s->irq.AssignedIRQ = req->AssignedIRQ = irq; - s->irq.Config++; - c->state |= CONFIG_IRQ_REQ; - p_dev->_irq = 1; + /* prefer an exclusive ISA irq */ + if (!pcmcia_setup_isa_irq(p_dev, 0)) + return 0; -#ifdef CONFIG_PCMCIA_PROBE - pcmcia_used_irq[irq]++; -#endif + /* but accept a shared ISA irq */ + if (!pcmcia_setup_isa_irq(p_dev, IRQF_SHARED)) + return 0; - return 0; -} /* pcmcia_request_irq */ -EXPORT_SYMBOL(pcmcia_request_irq); + /* but use the PCI irq otherwise */ + if (s->pci_irq) { + p_dev->irq = s->pcmcia_irq = s->pci_irq; + return 0; + } + + return -EINVAL; +} -/** pcmcia_request_window +/** + * pcmcia_request_window() - attempt to reserve iomem for PCMCIA devices + * @p_dev: the associated PCMCIA device + * @res: &struct resource pointing to p_dev->resource[2..5] + * @speed: access speed * - * Request_window() establishes a mapping between card memory space - * and system memory space. + * pcmcia_request_window() attepts to reserve an iomem ranges specified in + * &struct resource @res pointing to one of the entries in + * &struct pcmcia_device @p_dev->resource[2..5]. The "start" value is the + * requested start of the IO mem resource; "end" reflects the size + * requested. */ -int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req, window_handle_t *wh) +int pcmcia_request_window(struct pcmcia_device *p_dev, struct resource *res, + unsigned int speed) { struct pcmcia_socket *s = p_dev->socket; pccard_mem_map *win; u_long align; int w; + dev_dbg(&p_dev->dev, "request_window %pR %d\n", res, speed); + if (!(s->state & SOCKET_PRESENT)) { - dev_dbg(&s->dev, "No card present\n"); + dev_dbg(&p_dev->dev, "No card present\n"); return -ENODEV; } - if (req->Attributes & (WIN_PAGED | WIN_SHARED)) { - dev_dbg(&s->dev, "bad attribute setting for iomem region\n"); - return -EINVAL; - } /* Window size defaults to smallest available */ - if (req->Size == 0) - req->Size = s->map_size; - align = (((s->features & SS_CAP_MEM_ALIGN) || - (req->Attributes & WIN_STRICT_ALIGN)) ? - req->Size : s->map_size); - if (req->Size & (s->map_size-1)) { - dev_dbg(&s->dev, "invalid map size\n"); + if (res->end == 0) + res->end = s->map_size; + align = (s->features & SS_CAP_MEM_ALIGN) ? res->end : s->map_size; + if (res->end & (s->map_size-1)) { + dev_dbg(&p_dev->dev, "invalid map size\n"); return -EINVAL; } - if ((req->Base && (s->features & SS_CAP_STATIC_MAP)) || - (req->Base & (align-1))) { - dev_dbg(&s->dev, "invalid base address\n"); + if ((res->start && (s->features & SS_CAP_STATIC_MAP)) || + (res->start & (align-1))) { + dev_dbg(&p_dev->dev, "invalid base address\n"); return -EINVAL; } - if (req->Base) + if (res->start) align = 0; /* Allocate system memory window */ + mutex_lock(&s->ops_mutex); for (w = 0; w < MAX_WIN; w++) if (!(s->state & SOCKET_WIN_REQ(w))) break; if (w == MAX_WIN) { - dev_dbg(&s->dev, "all windows are used already\n"); + dev_dbg(&p_dev->dev, "all windows are used already\n"); + mutex_unlock(&s->ops_mutex); return -EINVAL; } win = &s->win[w]; if (!(s->features & SS_CAP_STATIC_MAP)) { - win->res = pcmcia_find_mem_region(req->Base, req->Size, align, - (req->Attributes & WIN_MAP_BELOW_1MB), s); + win->res = pcmcia_find_mem_region(res->start, res->end, align, + 0, s); if (!win->res) { - dev_dbg(&s->dev, "allocating mem region failed\n"); + dev_dbg(&p_dev->dev, "allocating mem region failed\n"); + mutex_unlock(&s->ops_mutex); return -EINVAL; } } @@ -810,270 +932,69 @@ int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req, window_ha /* Configure the socket controller */ win->map = w+1; - win->flags = 0; - win->speed = req->AccessSpeed; - if (req->Attributes & WIN_MEMORY_TYPE) - win->flags |= MAP_ATTRIB; - if (req->Attributes & WIN_ENABLE) - win->flags |= MAP_ACTIVE; - if (req->Attributes & WIN_DATA_WIDTH_16) - win->flags |= MAP_16BIT; - if (req->Attributes & WIN_USE_WAIT) - win->flags |= MAP_USE_WAIT; + win->flags = res->flags & WIN_FLAGS_MAP; + win->speed = speed; win->card_start = 0; + if (s->ops->set_mem_map(s, win) != 0) { - dev_dbg(&s->dev, "failed to set memory mapping\n"); + dev_dbg(&p_dev->dev, "failed to set memory mapping\n"); + mutex_unlock(&s->ops_mutex); return -EIO; } s->state |= SOCKET_WIN_REQ(w); /* Return window handle */ if (s->features & SS_CAP_STATIC_MAP) - req->Base = win->static_start; + res->start = win->static_start; else - req->Base = win->res->start; - - *wh = w + 1; - - return 0; -} /* pcmcia_request_window */ -EXPORT_SYMBOL(pcmcia_request_window); - -void pcmcia_disable_device(struct pcmcia_device *p_dev) -{ - pcmcia_release_configuration(p_dev); - pcmcia_release_io(p_dev, &p_dev->io); - pcmcia_release_irq(p_dev, &p_dev->irq); - if (p_dev->win) - pcmcia_release_window(p_dev, p_dev->win); -} -EXPORT_SYMBOL(pcmcia_disable_device); + res->start = win->res->start; + /* convert to new-style resources */ + res->end += res->start - 1; + res->flags &= ~WIN_FLAGS_REQ; + res->flags |= (win->map << 2) | IORESOURCE_MEM; + res->parent = win->res; + if (win->res) + request_resource(&iomem_resource, res); -struct pcmcia_cfg_mem { - struct pcmcia_device *p_dev; - void *priv_data; - int (*conf_check) (struct pcmcia_device *p_dev, - cistpl_cftable_entry_t *cfg, - cistpl_cftable_entry_t *dflt, - unsigned int vcc, - void *priv_data); - cisparse_t parse; - cistpl_cftable_entry_t dflt; -}; + dev_dbg(&p_dev->dev, "request_window results in %pR\n", res); -/** - * pcmcia_do_loop_config() - internal helper for pcmcia_loop_config() - * - * pcmcia_do_loop_config() is the internal callback for the call from - * pcmcia_loop_config() to pccard_loop_tuple(). Data is transferred - * by a struct pcmcia_cfg_mem. - */ -static int pcmcia_do_loop_config(tuple_t *tuple, cisparse_t *parse, void *priv) -{ - cistpl_cftable_entry_t *cfg = &parse->cftable_entry; - struct pcmcia_cfg_mem *cfg_mem = priv; - - /* default values */ - cfg_mem->p_dev->conf.ConfigIndex = cfg->index; - if (cfg->flags & CISTPL_CFTABLE_DEFAULT) - cfg_mem->dflt = *cfg; - - return cfg_mem->conf_check(cfg_mem->p_dev, cfg, &cfg_mem->dflt, - cfg_mem->p_dev->socket->socket.Vcc, - cfg_mem->priv_data); -} - -/** - * pcmcia_loop_config() - loop over configuration options - * @p_dev: the struct pcmcia_device which we need to loop for. - * @conf_check: function to call for each configuration option. - * It gets passed the struct pcmcia_device, the CIS data - * describing the configuration option, and private data - * being passed to pcmcia_loop_config() - * @priv_data: private data to be passed to the conf_check function. - * - * pcmcia_loop_config() loops over all configuration options, and calls - * the driver-specific conf_check() for each one, checking whether - * it is a valid one. Returns 0 on success or errorcode otherwise. - */ -int pcmcia_loop_config(struct pcmcia_device *p_dev, - int (*conf_check) (struct pcmcia_device *p_dev, - cistpl_cftable_entry_t *cfg, - cistpl_cftable_entry_t *dflt, - unsigned int vcc, - void *priv_data), - void *priv_data) -{ - struct pcmcia_cfg_mem *cfg_mem; - int ret; - - cfg_mem = kzalloc(sizeof(struct pcmcia_cfg_mem), GFP_KERNEL); - if (cfg_mem == NULL) - return -ENOMEM; - - cfg_mem->p_dev = p_dev; - cfg_mem->conf_check = conf_check; - cfg_mem->priv_data = priv_data; - - ret = pccard_loop_tuple(p_dev->socket, p_dev->func, - CISTPL_CFTABLE_ENTRY, &cfg_mem->parse, - cfg_mem, pcmcia_do_loop_config); - - kfree(cfg_mem); - return ret; -} -EXPORT_SYMBOL(pcmcia_loop_config); + mutex_unlock(&s->ops_mutex); - -struct pcmcia_loop_mem { - struct pcmcia_device *p_dev; - void *priv_data; - int (*loop_tuple) (struct pcmcia_device *p_dev, - tuple_t *tuple, - void *priv_data); -}; - -/** - * pcmcia_do_loop_tuple() - internal helper for pcmcia_loop_config() - * - * pcmcia_do_loop_tuple() is the internal callback for the call from - * pcmcia_loop_tuple() to pccard_loop_tuple(). Data is transferred - * by a struct pcmcia_cfg_mem. - */ -static int pcmcia_do_loop_tuple(tuple_t *tuple, cisparse_t *parse, void *priv) -{ - struct pcmcia_loop_mem *loop = priv; - - return loop->loop_tuple(loop->p_dev, tuple, loop->priv_data); -}; - -/** - * pcmcia_loop_tuple() - loop over tuples in the CIS - * @p_dev: the struct pcmcia_device which we need to loop for. - * @code: which CIS code shall we look for? - * @priv_data: private data to be passed to the loop_tuple function. - * @loop_tuple: function to call for each CIS entry of type @function. IT - * gets passed the raw tuple and @priv_data. - * - * pcmcia_loop_tuple() loops over all CIS entries of type @function, and - * calls the @loop_tuple function for each entry. If the call to @loop_tuple - * returns 0, the loop exits. Returns 0 on success or errorcode otherwise. - */ -int pcmcia_loop_tuple(struct pcmcia_device *p_dev, cisdata_t code, - int (*loop_tuple) (struct pcmcia_device *p_dev, - tuple_t *tuple, - void *priv_data), - void *priv_data) -{ - struct pcmcia_loop_mem loop = { - .p_dev = p_dev, - .loop_tuple = loop_tuple, - .priv_data = priv_data}; - - return pccard_loop_tuple(p_dev->socket, p_dev->func, code, NULL, - &loop, pcmcia_do_loop_tuple); -} -EXPORT_SYMBOL(pcmcia_loop_tuple); - - -struct pcmcia_loop_get { - size_t len; - cisdata_t **buf; -}; - -/** - * pcmcia_do_get_tuple() - internal helper for pcmcia_get_tuple() - * - * pcmcia_do_get_tuple() is the internal callback for the call from - * pcmcia_get_tuple() to pcmcia_loop_tuple(). As we're only interested in - * the first tuple, return 0 unconditionally. Create a memory buffer large - * enough to hold the content of the tuple, and fill it with the tuple data. - * The caller is responsible to free the buffer. - */ -static int pcmcia_do_get_tuple(struct pcmcia_device *p_dev, tuple_t *tuple, - void *priv) -{ - struct pcmcia_loop_get *get = priv; - - *get->buf = kzalloc(tuple->TupleDataLen, GFP_KERNEL); - if (*get->buf) { - get->len = tuple->TupleDataLen; - memcpy(*get->buf, tuple->TupleData, tuple->TupleDataLen); - } else - dev_dbg(&p_dev->dev, "do_get_tuple: out of memory\n"); return 0; -} - -/** - * pcmcia_get_tuple() - get first tuple from CIS - * @p_dev: the struct pcmcia_device which we need to loop for. - * @code: which CIS code shall we look for? - * @buf: pointer to store the buffer to. - * - * pcmcia_get_tuple() gets the content of the first CIS entry of type @code. - * It returns the buffer length (or zero). The caller is responsible to free - * the buffer passed in @buf. - */ -size_t pcmcia_get_tuple(struct pcmcia_device *p_dev, cisdata_t code, - unsigned char **buf) -{ - struct pcmcia_loop_get get = { - .len = 0, - .buf = buf, - }; - - *get.buf = NULL; - pcmcia_loop_tuple(p_dev, code, pcmcia_do_get_tuple, &get); - - return get.len; -} -EXPORT_SYMBOL(pcmcia_get_tuple); +} /* pcmcia_request_window */ +EXPORT_SYMBOL(pcmcia_request_window); /** - * pcmcia_do_get_mac() - internal helper for pcmcia_get_mac_from_cis() + * pcmcia_disable_device() - disable and clean up a PCMCIA device + * @p_dev: the associated PCMCIA device * - * pcmcia_do_get_mac() is the internal callback for the call from - * pcmcia_get_mac_from_cis() to pcmcia_loop_tuple(). We check whether the - * tuple contains a proper LAN_NODE_ID of length 6, and copy the data - * to struct net_device->dev_addr[i]. + * pcmcia_disable_device() is the driver-callable counterpart to + * pcmcia_enable_device(): If a PCMCIA device is no longer used, + * drivers are expected to clean up and disable the device by calling + * this function. Any I/O ranges (iomem and ioports) will be released, + * the Vpp voltage will be set to 0, and IRQs will no longer be + * generated -- at least if there is no other card function (of + * multifunction devices) being used. */ -static int pcmcia_do_get_mac(struct pcmcia_device *p_dev, tuple_t *tuple, - void *priv) +void pcmcia_disable_device(struct pcmcia_device *p_dev) { - struct net_device *dev = priv; int i; - if (tuple->TupleData[0] != CISTPL_FUNCE_LAN_NODE_ID) - return -EINVAL; - if (tuple->TupleDataLen < ETH_ALEN + 2) { - dev_warn(&p_dev->dev, "Invalid CIS tuple length for " - "LAN_NODE_ID\n"); - return -EINVAL; - } + dev_dbg(&p_dev->dev, "disabling device\n"); - if (tuple->TupleData[1] != ETH_ALEN) { - dev_warn(&p_dev->dev, "Invalid header for LAN_NODE_ID\n"); - return -EINVAL; + for (i = 0; i < MAX_WIN; i++) { + struct resource *res = p_dev->resource[MAX_IO_WIN + i]; + if (res->flags & WIN_FLAGS_REQ) + pcmcia_release_window(p_dev, res); } - for (i = 0; i < 6; i++) - dev->dev_addr[i] = tuple->TupleData[i+2]; - return 0; -} -/** - * pcmcia_get_mac_from_cis() - read out MAC address from CISTPL_FUNCE - * @p_dev: the struct pcmcia_device for which we want the address. - * @dev: a properly prepared struct net_device to store the info to. - * - * pcmcia_get_mac_from_cis() reads out the hardware MAC address from - * CISTPL_FUNCE and stores it into struct net_device *dev->dev_addr which - * must be set up properly by the driver (see examples!). - */ -int pcmcia_get_mac_from_cis(struct pcmcia_device *p_dev, struct net_device *dev) -{ - return pcmcia_loop_tuple(p_dev, CISTPL_FUNCE, pcmcia_do_get_mac, dev); + pcmcia_release_configuration(p_dev); + pcmcia_release_io(p_dev); + if (p_dev->_irq) { + free_irq(p_dev->irq, p_dev->priv); + p_dev->_irq = 0; + } } -EXPORT_SYMBOL(pcmcia_get_mac_from_cis); - +EXPORT_SYMBOL(pcmcia_disable_device); diff --git a/drivers/pcmcia/pd6729.c b/drivers/pcmcia/pd6729.c index e1741cd875a..622dd6fe734 100644 --- a/drivers/pcmcia/pd6729.c +++ b/drivers/pcmcia/pd6729.c @@ -9,18 +9,16 @@ #include <linux/kernel.h> #include <linux/module.h> +#include <linux/slab.h> #include <linux/pci.h> #include <linux/init.h> #include <linux/workqueue.h> #include <linux/interrupt.h> #include <linux/device.h> +#include <linux/io.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> -#include <asm/system.h> -#include <asm/io.h> #include "pd6729.h" #include "i82365.h" @@ -48,23 +46,13 @@ MODULE_AUTHOR("Jun Komuro <komurojun-mbn@nifty.com>"); * Specifies the interrupt delivery mode. The default (1) is to use PCI * interrupts; a value of 0 selects ISA interrupts. This must be set for * correct operation of PCI card readers. - * - * irq_list=i,j,... - * This list limits the set of interrupts that can be used by PCMCIA - * cards. - * The default list is 3,4,5,7,9,10,11. - * (irq_list parameter is not used, if irq_mode = 1) */ static int irq_mode = 1; /* 0 = ISA interrupt, 1 = PCI interrupt */ -static int irq_list[16]; -static unsigned int irq_list_count = 0; module_param(irq_mode, int, 0444); -module_param_array(irq_list, int, &irq_list_count, 0444); MODULE_PARM_DESC(irq_mode, "interrupt delivery mode. 0 = ISA, 1 = PCI. default is 1"); -MODULE_PARM_DESC(irq_list, "interrupts that can be used by PCMCIA cards"); static DEFINE_SPINLOCK(port_lock); @@ -232,9 +220,9 @@ static irqreturn_t pd6729_interrupt(int irq, void *dev) ? SS_READY : 0; } - if (events) { + if (events) pcmcia_parse_events(&socket[i].socket, events); - } + active |= events; } @@ -266,9 +254,8 @@ static int pd6729_get_status(struct pcmcia_socket *sock, u_int *value) status = indirect_read(socket, I365_STATUS); *value = 0; - if ((status & I365_CS_DETECT) == I365_CS_DETECT) { + if ((status & I365_CS_DETECT) == I365_CS_DETECT) *value |= SS_DETECT; - } /* * IO cards have a different meaning of bits 0,1 @@ -318,7 +305,7 @@ static int pd6729_set_socket(struct pcmcia_socket *sock, socket_state_t *state) socket->card_irq = state->io_irq; reg = 0; - /* The reset bit has "inverse" logic */ + /* The reset bit has "inverse" logic */ if (!(state->flags & SS_RESET)) reg |= I365_PC_RESET; if (state->flags & SS_IOCARD) @@ -390,7 +377,7 @@ static int pd6729_set_socket(struct pcmcia_socket *sock, socket_state_t *state) indirect_write(socket, I365_POWER, reg); if (irq_mode == 1) { - /* all interrupts are to be done as PCI interrupts */ + /* all interrupts are to be done as PCI interrupts */ data = PD67_EC1_INV_MGMT_IRQ | PD67_EC1_INV_CARD_IRQ; } else data = 0; @@ -401,9 +388,9 @@ static int pd6729_set_socket(struct pcmcia_socket *sock, socket_state_t *state) /* Enable specific interrupt events */ reg = 0x00; - if (state->csc_mask & SS_DETECT) { + if (state->csc_mask & SS_DETECT) reg |= I365_CSC_DETECT; - } + if (state->flags & SS_IOCARD) { if (state->csc_mask & SS_STSCHG) reg |= I365_CSC_STSCHG; @@ -460,9 +447,12 @@ static int pd6729_set_io_map(struct pcmcia_socket *sock, ioctl = indirect_read(socket, I365_IOCTL) & ~I365_IOCTL_MASK(map); - if (io->flags & MAP_0WS) ioctl |= I365_IOCTL_0WS(map); - if (io->flags & MAP_16BIT) ioctl |= I365_IOCTL_16BIT(map); - if (io->flags & MAP_AUTOSZ) ioctl |= I365_IOCTL_IOCS16(map); + if (io->flags & MAP_0WS) + ioctl |= I365_IOCTL_0WS(map); + if (io->flags & MAP_16BIT) + ioctl |= I365_IOCTL_16BIT(map); + if (io->flags & MAP_AUTOSZ) + ioctl |= I365_IOCTL_IOCS16(map); indirect_write(socket, I365_IOCTL, ioctl); @@ -507,7 +497,7 @@ static int pd6729_set_mem_map(struct pcmcia_socket *sock, /* write the stop address */ - i= (mem->res->end >> 12) & 0x0fff; + i = (mem->res->end >> 12) & 0x0fff; switch (to_cycles(mem->speed)) { case 0: break; @@ -573,7 +563,7 @@ static int pd6729_init(struct pcmcia_socket *sock) /* the pccard structure and its functions */ static struct pccard_operations pd6729_operations = { - .init = pd6729_init, + .init = pd6729_init, .get_status = pd6729_get_status, .set_socket = pd6729_set_socket, .set_io_map = pd6729_set_io_map, @@ -588,30 +578,29 @@ static irqreturn_t pd6729_test(int irq, void *dev) static int pd6729_check_irq(int irq) { - if (request_irq(irq, pd6729_test, IRQF_PROBE_SHARED, "x", pd6729_test) - != 0) return -1; + int ret; + + ret = request_irq(irq, pd6729_test, IRQF_PROBE_SHARED, "x", + pd6729_test); + if (ret) + return -1; + free_irq(irq, pd6729_test); return 0; } -static u_int __devinit pd6729_isa_scan(void) +static u_int pd6729_isa_scan(void) { u_int mask0, mask = 0; int i; if (irq_mode == 1) { printk(KERN_INFO "pd6729: PCI card interrupts, " - "PCI status changes\n"); + "PCI status changes\n"); return 0; } - if (irq_list_count == 0) - mask0 = 0xffff; - else - for (i = mask0 = 0; i < irq_list_count; i++) - mask0 |= (1<<irq_list[i]); - - mask0 &= PD67_MASK; + mask0 = PD67_MASK; /* just find interrupts that aren't in use */ for (i = 0; i < 16; i++) @@ -623,14 +612,15 @@ static u_int __devinit pd6729_isa_scan(void) if (mask & (1<<i)) printk("%s%d", ((mask & ((1<<i)-1)) ? "," : ""), i); - if (mask == 0) printk("none!"); - - printk(" polling status changes.\n"); + if (mask == 0) + printk("none!"); + else + printk(" polling status changes.\n"); return mask; } -static int __devinit pd6729_pci_probe(struct pci_dev *dev, +static int pd6729_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) { int i, j, ret; @@ -640,22 +630,28 @@ static int __devinit pd6729_pci_probe(struct pci_dev *dev, socket = kzalloc(sizeof(struct pd6729_socket) * MAX_SOCKETS, GFP_KERNEL); - if (!socket) + if (!socket) { + dev_warn(&dev->dev, "failed to kzalloc socket.\n"); return -ENOMEM; + } - if ((ret = pci_enable_device(dev))) + ret = pci_enable_device(dev); + if (ret) { + dev_warn(&dev->dev, "failed to enable pci_device.\n"); goto err_out_free_mem; + } if (!pci_resource_start(dev, 0)) { dev_warn(&dev->dev, "refusing to load the driver as the " "io_base is NULL.\n"); - goto err_out_free_mem; + ret = -ENOMEM; + goto err_out_disable; } dev_info(&dev->dev, "Cirrus PD6729 PCI to PCMCIA Bridge at 0x%llx " "on irq %d\n", (unsigned long long)pci_resource_start(dev, 0), dev->irq); - /* + /* * Since we have no memory BARs some firmware may not * have had PCI_COMMAND_MEMORY enabled, yet the device needs it. */ @@ -678,6 +674,7 @@ static int __devinit pd6729_pci_probe(struct pci_dev *dev, mask = pd6729_isa_scan(); if (irq_mode == 0 && mask == 0) { dev_warn(&dev->dev, "no ISA interrupt is available.\n"); + ret = -ENODEV; goto err_out_free_res; } @@ -687,6 +684,7 @@ static int __devinit pd6729_pci_probe(struct pci_dev *dev, socket[i].socket.map_size = 0x1000; socket[i].socket.irq_mask = mask; socket[i].socket.pci_irq = dev->irq; + socket[i].socket.cb_dev = dev; socket[i].socket.owner = THIS_MODULE; socket[i].number = i; @@ -700,8 +698,9 @@ static int __devinit pd6729_pci_probe(struct pci_dev *dev, pci_set_drvdata(dev, socket); if (irq_mode == 1) { /* Register the interrupt handler */ - if ((ret = request_irq(dev->irq, pd6729_interrupt, IRQF_SHARED, - "pd6729", socket))) { + ret = request_irq(dev->irq, pd6729_interrupt, IRQF_SHARED, + "pd6729", socket); + if (ret) { dev_err(&dev->dev, "Failed to register irq %d\n", dev->irq); goto err_out_free_res; @@ -727,22 +726,22 @@ static int __devinit pd6729_pci_probe(struct pci_dev *dev, return 0; - err_out_free_res2: +err_out_free_res2: if (irq_mode == 1) free_irq(dev->irq, socket); else del_timer_sync(&socket->poll_timer); - err_out_free_res: +err_out_free_res: pci_release_regions(dev); - err_out_disable: +err_out_disable: pci_disable_device(dev); - err_out_free_mem: +err_out_free_mem: kfree(socket); return ret; } -static void __devexit pd6729_pci_remove(struct pci_dev *dev) +static void pd6729_pci_remove(struct pci_dev *dev) { int i; struct pd6729_socket *socket = pci_get_drvdata(dev); @@ -765,25 +764,8 @@ static void __devexit pd6729_pci_remove(struct pci_dev *dev) kfree(socket); } -#ifdef CONFIG_PM -static int pd6729_socket_suspend(struct pci_dev *dev, pm_message_t state) -{ - return pcmcia_socket_dev_suspend(&dev->dev); -} - -static int pd6729_socket_resume(struct pci_dev *dev) -{ - return pcmcia_socket_dev_resume(&dev->dev); -} -#endif - -static struct pci_device_id pd6729_pci_ids[] = { - { - .vendor = PCI_VENDOR_ID_CIRRUS, - .device = PCI_DEVICE_ID_CIRRUS_6729, - .subvendor = PCI_ANY_ID, - .subdevice = PCI_ANY_ID, - }, +static DEFINE_PCI_DEVICE_TABLE(pd6729_pci_ids) = { + { PCI_DEVICE(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_6729) }, { } }; MODULE_DEVICE_TABLE(pci, pd6729_pci_ids); @@ -792,22 +774,7 @@ static struct pci_driver pd6729_pci_driver = { .name = "pd6729", .id_table = pd6729_pci_ids, .probe = pd6729_pci_probe, - .remove = __devexit_p(pd6729_pci_remove), -#ifdef CONFIG_PM - .suspend = pd6729_socket_suspend, - .resume = pd6729_socket_resume, -#endif + .remove = pd6729_pci_remove, }; -static int pd6729_module_init(void) -{ - return pci_register_driver(&pd6729_pci_driver); -} - -static void pd6729_module_exit(void) -{ - pci_unregister_driver(&pd6729_pci_driver); -} - -module_init(pd6729_module_init); -module_exit(pd6729_module_exit); +module_pci_driver(pd6729_pci_driver); diff --git a/drivers/pcmcia/pd6729.h b/drivers/pcmcia/pd6729.h index 41418d394c5..c8e84bdece3 100644 --- a/drivers/pcmcia/pd6729.h +++ b/drivers/pcmcia/pd6729.h @@ -15,7 +15,7 @@ struct pd6729_socket { int number; int card_irq; - unsigned long io_base; /* base io address of the socket */ + unsigned long io_base; /* base io address of the socket */ struct pcmcia_socket socket; struct timer_list poll_timer; }; diff --git a/drivers/pcmcia/pxa2xx_balloon3.c b/drivers/pcmcia/pxa2xx_balloon3.c new file mode 100644 index 00000000000..2ef576c5b69 --- /dev/null +++ b/drivers/pcmcia/pxa2xx_balloon3.c @@ -0,0 +1,140 @@ +/* + * linux/drivers/pcmcia/pxa2xx_balloon3.c + * + * Balloon3 PCMCIA specific routines. + * + * Author: Nick Bane + * Created: June, 2006 + * Copyright: Toby Churchill Ltd + * Derived from pxa2xx_mainstone.c, by Nico Pitre + * + * Various modification by Marek Vasut <marek.vasut@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/gpio.h> +#include <linux/errno.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/irq.h> +#include <linux/io.h> + +#include <mach/balloon3.h> + +#include <asm/mach-types.h> + +#include "soc_common.h" + +static int balloon3_pcmcia_hw_init(struct soc_pcmcia_socket *skt) +{ + uint16_t ver; + + ver = __raw_readw(BALLOON3_FPGA_VER); + if (ver < 0x4f08) + pr_warn("The FPGA code, version 0x%04x, is too old. " + "PCMCIA/CF support might be broken in this version!", + ver); + + skt->socket.pci_irq = BALLOON3_BP_CF_NRDY_IRQ; + skt->stat[SOC_STAT_CD].gpio = BALLOON3_GPIO_S0_CD; + skt->stat[SOC_STAT_CD].name = "PCMCIA0 CD"; + skt->stat[SOC_STAT_BVD1].irq = BALLOON3_BP_NSTSCHG_IRQ; + skt->stat[SOC_STAT_BVD1].name = "PCMCIA0 STSCHG"; + + return 0; +} + +static unsigned long balloon3_pcmcia_status[2] = { + BALLOON3_CF_nSTSCHG_BVD1, + BALLOON3_CF_nSTSCHG_BVD1 +}; + +static void balloon3_pcmcia_socket_state(struct soc_pcmcia_socket *skt, + struct pcmcia_state *state) +{ + uint16_t status; + int flip; + + /* This actually reads the STATUS register */ + status = __raw_readw(BALLOON3_CF_STATUS_REG); + flip = (status ^ balloon3_pcmcia_status[skt->nr]) + & BALLOON3_CF_nSTSCHG_BVD1; + /* + * Workaround for STSCHG which can't be deasserted: + * We therefore disable/enable corresponding IRQs + * as needed to avoid IRQ locks. + */ + if (flip) { + balloon3_pcmcia_status[skt->nr] = status; + if (status & BALLOON3_CF_nSTSCHG_BVD1) + enable_irq(BALLOON3_BP_NSTSCHG_IRQ); + else + disable_irq(BALLOON3_BP_NSTSCHG_IRQ); + } + + state->ready = !!(status & BALLOON3_CF_nIRQ); + state->bvd1 = !!(status & BALLOON3_CF_nSTSCHG_BVD1); + state->bvd2 = 0; /* not available */ + state->vs_3v = 1; /* Always true its a CF card */ + state->vs_Xv = 0; /* not available */ +} + +static int balloon3_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, + const socket_state_t *state) +{ + __raw_writew(BALLOON3_CF_RESET, BALLOON3_CF_CONTROL_REG + + ((state->flags & SS_RESET) ? + BALLOON3_FPGA_SETnCLR : 0)); + return 0; +} + +static struct pcmcia_low_level balloon3_pcmcia_ops = { + .owner = THIS_MODULE, + .hw_init = balloon3_pcmcia_hw_init, + .socket_state = balloon3_pcmcia_socket_state, + .configure_socket = balloon3_pcmcia_configure_socket, + .first = 0, + .nr = 1, +}; + +static struct platform_device *balloon3_pcmcia_device; + +static int __init balloon3_pcmcia_init(void) +{ + int ret; + + if (!machine_is_balloon3()) + return -ENODEV; + + balloon3_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); + if (!balloon3_pcmcia_device) + return -ENOMEM; + + ret = platform_device_add_data(balloon3_pcmcia_device, + &balloon3_pcmcia_ops, sizeof(balloon3_pcmcia_ops)); + + if (!ret) + ret = platform_device_add(balloon3_pcmcia_device); + + if (ret) + platform_device_put(balloon3_pcmcia_device); + + return ret; +} + +static void __exit balloon3_pcmcia_exit(void) +{ + platform_device_unregister(balloon3_pcmcia_device); +} + +module_init(balloon3_pcmcia_init); +module_exit(balloon3_pcmcia_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Nick Bane <nick@cecomputing.co.uk>"); +MODULE_ALIAS("platform:pxa2xx-pcmcia"); +MODULE_DESCRIPTION("Balloon3 board CF/PCMCIA driver"); diff --git a/drivers/pcmcia/pxa2xx_base.c b/drivers/pcmcia/pxa2xx_base.c index 76e640bccde..cfec9dd18ff 100644 --- a/drivers/pcmcia/pxa2xx_base.c +++ b/drivers/pcmcia/pxa2xx_base.c @@ -17,6 +17,7 @@ ======================================================================*/ #include <linux/module.h> +#include <linux/slab.h> #include <linux/init.h> #include <linux/cpufreq.h> #include <linux/ioport.h> @@ -25,13 +26,12 @@ #include <linux/platform_device.h> #include <mach/hardware.h> +#include <mach/smemc.h> #include <asm/io.h> #include <asm/irq.h> -#include <asm/system.h> #include <mach/pxa2xx-regs.h> #include <asm/mach-types.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> #include <pcmcia/cistpl.h> @@ -116,37 +116,49 @@ static inline u_int pxa2xx_pcmcia_cmd_time(u_int mem_clk_10khz, static int pxa2xx_pcmcia_set_mcmem( int sock, int speed, int clock ) { - MCMEM(sock) = ((pxa2xx_mcxx_setup(speed, clock) + uint32_t val; + + val = ((pxa2xx_mcxx_setup(speed, clock) & MCXX_SETUP_MASK) << MCXX_SETUP_SHIFT) | ((pxa2xx_mcxx_asst(speed, clock) & MCXX_ASST_MASK) << MCXX_ASST_SHIFT) | ((pxa2xx_mcxx_hold(speed, clock) & MCXX_HOLD_MASK) << MCXX_HOLD_SHIFT); + __raw_writel(val, MCMEM(sock)); + return 0; } static int pxa2xx_pcmcia_set_mcio( int sock, int speed, int clock ) { - MCIO(sock) = ((pxa2xx_mcxx_setup(speed, clock) + uint32_t val; + + val = ((pxa2xx_mcxx_setup(speed, clock) & MCXX_SETUP_MASK) << MCXX_SETUP_SHIFT) | ((pxa2xx_mcxx_asst(speed, clock) & MCXX_ASST_MASK) << MCXX_ASST_SHIFT) | ((pxa2xx_mcxx_hold(speed, clock) & MCXX_HOLD_MASK) << MCXX_HOLD_SHIFT); + __raw_writel(val, MCIO(sock)); + return 0; } static int pxa2xx_pcmcia_set_mcatt( int sock, int speed, int clock ) { - MCATT(sock) = ((pxa2xx_mcxx_setup(speed, clock) + uint32_t val; + + val = ((pxa2xx_mcxx_setup(speed, clock) & MCXX_SETUP_MASK) << MCXX_SETUP_SHIFT) | ((pxa2xx_mcxx_asst(speed, clock) & MCXX_ASST_MASK) << MCXX_ASST_SHIFT) | ((pxa2xx_mcxx_hold(speed, clock) & MCXX_HOLD_MASK) << MCXX_HOLD_SHIFT); + __raw_writel(val, MCATT(sock)); + return 0; } @@ -166,8 +178,8 @@ static int pxa2xx_pcmcia_set_mcxx(struct soc_pcmcia_socket *skt, unsigned int cl static int pxa2xx_pcmcia_set_timing(struct soc_pcmcia_socket *skt) { - unsigned int clk = get_memclk_frequency_10khz(); - return pxa2xx_pcmcia_set_mcxx(skt, clk); + unsigned long clk = clk_get_rate(skt->clk); + return pxa2xx_pcmcia_set_mcxx(skt, clk / 10000); } #ifdef CONFIG_CPU_FREQ @@ -177,7 +189,6 @@ pxa2xx_pcmcia_frequency_change(struct soc_pcmcia_socket *skt, unsigned long val, struct cpufreq_freqs *freqs) { -#warning "it's not clear if this is right since the core CPU (N) clock has no effect on the memory (L) clock" switch (val) { case CPUFREQ_PRECHANGE: if (freqs->new > freqs->old) { @@ -185,7 +196,7 @@ pxa2xx_pcmcia_frequency_change(struct soc_pcmcia_socket *skt, "pre-updating\n", freqs->new / 1000, (freqs->new / 100) % 10, freqs->old / 1000, (freqs->old / 100) % 10); - pxa2xx_pcmcia_set_mcxx(skt, freqs->new); + pxa2xx_pcmcia_set_timing(skt); } break; @@ -195,7 +206,7 @@ pxa2xx_pcmcia_frequency_change(struct soc_pcmcia_socket *skt, "post-updating\n", freqs->new / 1000, (freqs->new / 100) % 10, freqs->old / 1000, (freqs->old / 100) % 10); - pxa2xx_pcmcia_set_mcxx(skt, freqs->new); + pxa2xx_pcmcia_set_timing(skt); } break; } @@ -203,23 +214,23 @@ pxa2xx_pcmcia_frequency_change(struct soc_pcmcia_socket *skt, } #endif -static void pxa2xx_configure_sockets(struct device *dev) +void pxa2xx_configure_sockets(struct device *dev) { struct pcmcia_low_level *ops = dev->platform_data; - /* * We have at least one socket, so set MECR:CIT * (Card Is There) */ - MECR |= MECR_CIT; + uint32_t mecr = MECR_CIT; /* Set MECR:NOS (Number Of Sockets) */ if ((ops->first + ops->nr) > 1 || machine_is_viper() || machine_is_arcom_zeus()) - MECR |= MECR_NOS; - else - MECR &= ~MECR_NOS; + mecr |= MECR_NOS; + + __raw_writel(mecr, MECR); } +EXPORT_SYMBOL(pxa2xx_configure_sockets); static const char *skt_names[] = { "PCMCIA socket 0", @@ -271,43 +282,59 @@ static int pxa2xx_drv_pcmcia_probe(struct platform_device *dev) struct pcmcia_low_level *ops; struct skt_dev_info *sinfo; struct soc_pcmcia_socket *skt; + struct clk *clk; ops = (struct pcmcia_low_level *)dev->dev.platform_data; - if (!ops) + if (!ops) { + ret = -ENODEV; + goto err0; + } + + if (cpu_is_pxa320() && ops->nr > 1) { + dev_err(&dev->dev, "pxa320 supports only one pcmcia slot"); + ret = -EINVAL; + goto err0; + } + + clk = clk_get(&dev->dev, NULL); + if (IS_ERR(clk)) return -ENODEV; pxa2xx_drv_pcmcia_ops(ops); sinfo = kzalloc(SKT_DEV_INFO_SIZE(ops->nr), GFP_KERNEL); - if (!sinfo) + if (!sinfo) { + clk_put(clk); return -ENOMEM; + } sinfo->nskt = ops->nr; + sinfo->clk = clk; /* Initialize processor specific parameters */ for (i = 0; i < ops->nr; i++) { skt = &sinfo->skt[i]; skt->nr = ops->first + i; - skt->ops = ops; - skt->socket.owner = ops->owner; - skt->socket.dev.parent = &dev->dev; - skt->socket.pci_irq = NO_IRQ; + skt->clk = clk; + soc_pcmcia_init_one(skt, ops, &dev->dev); ret = pxa2xx_drv_pcmcia_add_one(skt); if (ret) - break; + goto err1; } - if (ret) { - while (--i >= 0) - soc_pcmcia_remove_one(&sinfo->skt[i]); - kfree(sinfo); - } else { - pxa2xx_configure_sockets(&dev->dev); - dev_set_drvdata(&dev->dev, sinfo); - } + pxa2xx_configure_sockets(&dev->dev); + dev_set_drvdata(&dev->dev, sinfo); + return 0; + +err1: + while (--i >= 0) + soc_pcmcia_remove_one(&sinfo->skt[i]); + clk_put(clk); + kfree(sinfo); +err0: return ret; } @@ -321,23 +348,18 @@ static int pxa2xx_drv_pcmcia_remove(struct platform_device *dev) for (i = 0; i < sinfo->nskt; i++) soc_pcmcia_remove_one(&sinfo->skt[i]); + clk_put(sinfo->clk); kfree(sinfo); return 0; } -static int pxa2xx_drv_pcmcia_suspend(struct device *dev) -{ - return pcmcia_socket_dev_suspend(dev); -} - static int pxa2xx_drv_pcmcia_resume(struct device *dev) { pxa2xx_configure_sockets(dev); - return pcmcia_socket_dev_resume(dev); + return 0; } static const struct dev_pm_ops pxa2xx_drv_pcmcia_pm_ops = { - .suspend = pxa2xx_drv_pcmcia_suspend, .resume = pxa2xx_drv_pcmcia_resume, }; diff --git a/drivers/pcmcia/pxa2xx_base.h b/drivers/pcmcia/pxa2xx_base.h index bb62ea87b8f..b609b45469e 100644 --- a/drivers/pcmcia/pxa2xx_base.h +++ b/drivers/pcmcia/pxa2xx_base.h @@ -1,3 +1,4 @@ int pxa2xx_drv_pcmcia_add_one(struct soc_pcmcia_socket *skt); void pxa2xx_drv_pcmcia_ops(struct pcmcia_low_level *ops); +void pxa2xx_configure_sockets(struct device *dev); diff --git a/drivers/pcmcia/pxa2xx_cm_x255.c b/drivers/pcmcia/pxa2xx_cm_x255.c index 05913d0bbdb..da40908b29d 100644 --- a/drivers/pcmcia/pxa2xx_cm_x255.c +++ b/drivers/pcmcia/pxa2xx_cm_x255.c @@ -14,8 +14,7 @@ #include <linux/irq.h> #include <linux/delay.h> #include <linux/gpio.h> - -#include <asm/mach-types.h> +#include <linux/export.h> #include "soc_common.h" @@ -26,17 +25,6 @@ #define GPIO_PCMCIA_S1_RDYINT (8) #define GPIO_PCMCIA_RESET (9) -#define PCMCIA_S0_CD_VALID IRQ_GPIO(GPIO_PCMCIA_S0_CD_VALID) -#define PCMCIA_S1_CD_VALID IRQ_GPIO(GPIO_PCMCIA_S1_CD_VALID) -#define PCMCIA_S0_RDYINT IRQ_GPIO(GPIO_PCMCIA_S0_RDYINT) -#define PCMCIA_S1_RDYINT IRQ_GPIO(GPIO_PCMCIA_S1_RDYINT) - - -static struct pcmcia_irqs irqs[] = { - { 0, PCMCIA_S0_CD_VALID, "PCMCIA0 CD" }, - { 1, PCMCIA_S1_CD_VALID, "PCMCIA1 CD" }, -}; - static int cmx255_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { int ret = gpio_request(GPIO_PCMCIA_RESET, "PCCard reset"); @@ -44,17 +32,23 @@ static int cmx255_pcmcia_hw_init(struct soc_pcmcia_socket *skt) return ret; gpio_direction_output(GPIO_PCMCIA_RESET, 0); - skt->socket.pci_irq = skt->nr == 0 ? PCMCIA_S0_RDYINT : PCMCIA_S1_RDYINT; - ret = soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs)); - if (!ret) - gpio_free(GPIO_PCMCIA_RESET); + if (skt->nr == 0) { + skt->stat[SOC_STAT_CD].gpio = GPIO_PCMCIA_S0_CD_VALID; + skt->stat[SOC_STAT_CD].name = "PCMCIA0 CD"; + skt->stat[SOC_STAT_RDY].gpio = GPIO_PCMCIA_S0_RDYINT; + skt->stat[SOC_STAT_RDY].name = "PCMCIA0 RDY"; + } else { + skt->stat[SOC_STAT_CD].gpio = GPIO_PCMCIA_S1_CD_VALID; + skt->stat[SOC_STAT_CD].name = "PCMCIA1 CD"; + skt->stat[SOC_STAT_RDY].gpio = GPIO_PCMCIA_S1_RDYINT; + skt->stat[SOC_STAT_RDY].name = "PCMCIA1 RDY"; + } - return ret; + return 0; } static void cmx255_pcmcia_shutdown(struct soc_pcmcia_socket *skt) { - soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs)); gpio_free(GPIO_PCMCIA_RESET); } @@ -62,16 +56,8 @@ static void cmx255_pcmcia_shutdown(struct soc_pcmcia_socket *skt) static void cmx255_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) { - int cd = skt->nr ? GPIO_PCMCIA_S1_CD_VALID : GPIO_PCMCIA_S0_CD_VALID; - int rdy = skt->nr ? GPIO_PCMCIA_S1_RDYINT : GPIO_PCMCIA_S0_RDYINT; - - state->detect = !gpio_get_value(cd); - state->ready = !!gpio_get_value(rdy); - state->bvd1 = 1; - state->bvd2 = 1; state->vs_3v = 0; state->vs_Xv = 0; - state->wrprot = 0; /* not available */ } @@ -102,23 +88,12 @@ static int cmx255_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, return 0; } -static void cmx255_pcmcia_socket_init(struct soc_pcmcia_socket *skt) -{ -} - -static void cmx255_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) -{ -} - - static struct pcmcia_low_level cmx255_pcmcia_ops __initdata = { .owner = THIS_MODULE, .hw_init = cmx255_pcmcia_hw_init, .hw_shutdown = cmx255_pcmcia_shutdown, .socket_state = cmx255_pcmcia_socket_state, .configure_socket = cmx255_pcmcia_configure_socket, - .socket_init = cmx255_pcmcia_socket_init, - .socket_suspend = cmx255_pcmcia_socket_suspend, .nr = 1, }; diff --git a/drivers/pcmcia/pxa2xx_cm_x270.c b/drivers/pcmcia/pxa2xx_cm_x270.c index 5662646b84d..f59223f2307 100644 --- a/drivers/pcmcia/pxa2xx_cm_x270.c +++ b/drivers/pcmcia/pxa2xx_cm_x270.c @@ -14,8 +14,7 @@ #include <linux/irq.h> #include <linux/delay.h> #include <linux/gpio.h> - -#include <asm/mach-types.h> +#include <linux/export.h> #include "soc_common.h" @@ -23,14 +22,6 @@ #define GPIO_PCMCIA_S0_RDYINT (82) #define GPIO_PCMCIA_RESET (53) -#define PCMCIA_S0_CD_VALID IRQ_GPIO(GPIO_PCMCIA_S0_CD_VALID) -#define PCMCIA_S0_RDYINT IRQ_GPIO(GPIO_PCMCIA_S0_RDYINT) - - -static struct pcmcia_irqs irqs[] = { - { 0, PCMCIA_S0_CD_VALID, "PCMCIA0 CD" }, -}; - static int cmx270_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { int ret = gpio_request(GPIO_PCMCIA_RESET, "PCCard reset"); @@ -38,17 +29,16 @@ static int cmx270_pcmcia_hw_init(struct soc_pcmcia_socket *skt) return ret; gpio_direction_output(GPIO_PCMCIA_RESET, 0); - skt->socket.pci_irq = PCMCIA_S0_RDYINT; - ret = soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs)); - if (!ret) - gpio_free(GPIO_PCMCIA_RESET); + skt->stat[SOC_STAT_CD].gpio = GPIO_PCMCIA_S0_CD_VALID; + skt->stat[SOC_STAT_CD].name = "PCMCIA0 CD"; + skt->stat[SOC_STAT_RDY].gpio = GPIO_PCMCIA_S0_RDYINT; + skt->stat[SOC_STAT_RDY].name = "PCMCIA0 RDY"; return ret; } static void cmx270_pcmcia_shutdown(struct soc_pcmcia_socket *skt) { - soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs)); gpio_free(GPIO_PCMCIA_RESET); } @@ -56,13 +46,8 @@ static void cmx270_pcmcia_shutdown(struct soc_pcmcia_socket *skt) static void cmx270_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) { - state->detect = (gpio_get_value(GPIO_PCMCIA_S0_CD_VALID) == 0) ? 1 : 0; - state->ready = (gpio_get_value(GPIO_PCMCIA_S0_RDYINT) == 0) ? 0 : 1; - state->bvd1 = 1; - state->bvd2 = 1; state->vs_3v = 0; state->vs_Xv = 0; - state->wrprot = 0; /* not available */ } @@ -82,23 +67,12 @@ static int cmx270_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, return 0; } -static void cmx270_pcmcia_socket_init(struct soc_pcmcia_socket *skt) -{ -} - -static void cmx270_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) -{ -} - - static struct pcmcia_low_level cmx270_pcmcia_ops __initdata = { .owner = THIS_MODULE, .hw_init = cmx270_pcmcia_hw_init, .hw_shutdown = cmx270_pcmcia_shutdown, .socket_state = cmx270_pcmcia_socket_state, .configure_socket = cmx270_pcmcia_configure_socket, - .socket_init = cmx270_pcmcia_socket_init, - .socket_suspend = cmx270_pcmcia_socket_suspend, .nr = 1, }; diff --git a/drivers/pcmcia/pxa2xx_cm_x2xx.c b/drivers/pcmcia/pxa2xx_cm_x2xx.c index 4f09506ad8d..6e7dcfd22ed 100644 --- a/drivers/pcmcia/pxa2xx_cm_x2xx.c +++ b/drivers/pcmcia/pxa2xx_cm_x2xx.c @@ -12,9 +12,8 @@ #include <linux/module.h> -#include <asm/system.h> #include <asm/mach-types.h> -#include <mach/system.h> +#include <mach/hardware.h> int cmx255_pcmcia_init(void); int cmx270_pcmcia_init(void); diff --git a/drivers/pcmcia/pxa2xx_colibri.c b/drivers/pcmcia/pxa2xx_colibri.c new file mode 100644 index 00000000000..4dee7b2a803 --- /dev/null +++ b/drivers/pcmcia/pxa2xx_colibri.c @@ -0,0 +1,169 @@ +/* + * linux/drivers/pcmcia/pxa2xx_colibri.c + * + * Driver for Toradex Colibri PXA270 CF socket + * + * Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/gpio.h> + +#include <asm/mach-types.h> + +#include "soc_common.h" + +#define COLIBRI270_RESET_GPIO 53 +#define COLIBRI270_PPEN_GPIO 107 +#define COLIBRI270_BVD1_GPIO 83 +#define COLIBRI270_BVD2_GPIO 82 +#define COLIBRI270_DETECT_GPIO 84 +#define COLIBRI270_READY_GPIO 1 + +#define COLIBRI320_RESET_GPIO 77 +#define COLIBRI320_PPEN_GPIO 57 +#define COLIBRI320_BVD1_GPIO 53 +#define COLIBRI320_BVD2_GPIO 79 +#define COLIBRI320_DETECT_GPIO 81 +#define COLIBRI320_READY_GPIO 29 + +enum { + DETECT = 0, + READY = 1, + BVD1 = 2, + BVD2 = 3, + PPEN = 4, + RESET = 5, +}; + +/* Contents of this array are configured on-the-fly in init function */ +static struct gpio colibri_pcmcia_gpios[] = { + { 0, GPIOF_IN, "PCMCIA Detect" }, + { 0, GPIOF_IN, "PCMCIA Ready" }, + { 0, GPIOF_IN, "PCMCIA BVD1" }, + { 0, GPIOF_IN, "PCMCIA BVD2" }, + { 0, GPIOF_INIT_LOW, "PCMCIA PPEN" }, + { 0, GPIOF_INIT_HIGH,"PCMCIA Reset" }, +}; + +static int colibri_pcmcia_hw_init(struct soc_pcmcia_socket *skt) +{ + int ret; + + ret = gpio_request_array(colibri_pcmcia_gpios, + ARRAY_SIZE(colibri_pcmcia_gpios)); + if (ret) + goto err1; + + skt->socket.pci_irq = gpio_to_irq(colibri_pcmcia_gpios[READY].gpio); + skt->stat[SOC_STAT_CD].irq = gpio_to_irq(colibri_pcmcia_gpios[DETECT].gpio); + skt->stat[SOC_STAT_CD].name = "PCMCIA CD"; + +err1: + return ret; +} + +static void colibri_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) +{ + gpio_free_array(colibri_pcmcia_gpios, + ARRAY_SIZE(colibri_pcmcia_gpios)); +} + +static void colibri_pcmcia_socket_state(struct soc_pcmcia_socket *skt, + struct pcmcia_state *state) +{ + + state->detect = !!gpio_get_value(colibri_pcmcia_gpios[DETECT].gpio); + state->ready = !!gpio_get_value(colibri_pcmcia_gpios[READY].gpio); + state->bvd1 = !!gpio_get_value(colibri_pcmcia_gpios[BVD1].gpio); + state->bvd2 = !!gpio_get_value(colibri_pcmcia_gpios[BVD2].gpio); + state->vs_3v = 1; + state->vs_Xv = 0; +} + +static int +colibri_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, + const socket_state_t *state) +{ + gpio_set_value(colibri_pcmcia_gpios[PPEN].gpio, + !(state->Vcc == 33 && state->Vpp < 50)); + gpio_set_value(colibri_pcmcia_gpios[RESET].gpio, + state->flags & SS_RESET); + return 0; +} + +static struct pcmcia_low_level colibri_pcmcia_ops = { + .owner = THIS_MODULE, + + .first = 0, + .nr = 1, + + .hw_init = colibri_pcmcia_hw_init, + .hw_shutdown = colibri_pcmcia_hw_shutdown, + + .socket_state = colibri_pcmcia_socket_state, + .configure_socket = colibri_pcmcia_configure_socket, +}; + +static struct platform_device *colibri_pcmcia_device; + +static int __init colibri_pcmcia_init(void) +{ + int ret; + + if (!machine_is_colibri() && !machine_is_colibri320()) + return -ENODEV; + + colibri_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); + if (!colibri_pcmcia_device) + return -ENOMEM; + + /* Colibri PXA270 */ + if (machine_is_colibri()) { + colibri_pcmcia_gpios[RESET].gpio = COLIBRI270_RESET_GPIO; + colibri_pcmcia_gpios[PPEN].gpio = COLIBRI270_PPEN_GPIO; + colibri_pcmcia_gpios[BVD1].gpio = COLIBRI270_BVD1_GPIO; + colibri_pcmcia_gpios[BVD2].gpio = COLIBRI270_BVD2_GPIO; + colibri_pcmcia_gpios[DETECT].gpio = COLIBRI270_DETECT_GPIO; + colibri_pcmcia_gpios[READY].gpio = COLIBRI270_READY_GPIO; + /* Colibri PXA320 */ + } else if (machine_is_colibri320()) { + colibri_pcmcia_gpios[RESET].gpio = COLIBRI320_RESET_GPIO; + colibri_pcmcia_gpios[PPEN].gpio = COLIBRI320_PPEN_GPIO; + colibri_pcmcia_gpios[BVD1].gpio = COLIBRI320_BVD1_GPIO; + colibri_pcmcia_gpios[BVD2].gpio = COLIBRI320_BVD2_GPIO; + colibri_pcmcia_gpios[DETECT].gpio = COLIBRI320_DETECT_GPIO; + colibri_pcmcia_gpios[READY].gpio = COLIBRI320_READY_GPIO; + } + + ret = platform_device_add_data(colibri_pcmcia_device, + &colibri_pcmcia_ops, sizeof(colibri_pcmcia_ops)); + + if (!ret) + ret = platform_device_add(colibri_pcmcia_device); + + if (ret) + platform_device_put(colibri_pcmcia_device); + + return ret; +} + +static void __exit colibri_pcmcia_exit(void) +{ + platform_device_unregister(colibri_pcmcia_device); +} + +module_init(colibri_pcmcia_init); +module_exit(colibri_pcmcia_exit); + +MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>"); +MODULE_DESCRIPTION("PCMCIA support for Toradex Colibri PXA270/PXA320"); +MODULE_ALIAS("platform:pxa2xx-pcmcia"); +MODULE_LICENSE("GPL"); diff --git a/drivers/pcmcia/pxa2xx_e740.c b/drivers/pcmcia/pxa2xx_e740.c index 8bfbd4dca13..8751a323b44 100644 --- a/drivers/pcmcia/pxa2xx_e740.c +++ b/drivers/pcmcia/pxa2xx_e740.c @@ -23,50 +23,27 @@ #include "soc_common.h" -static struct pcmcia_irqs cd_irqs[] = { - { - .sock = 0, - .irq = IRQ_GPIO(GPIO_E740_PCMCIA_CD0), - .str = "CF card detect" - }, - { - .sock = 1, - .irq = IRQ_GPIO(GPIO_E740_PCMCIA_CD1), - .str = "Wifi switch" - }, -}; - static int e740_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { - skt->socket.pci_irq = skt->nr == 0 ? IRQ_GPIO(GPIO_E740_PCMCIA_RDY0) : - IRQ_GPIO(GPIO_E740_PCMCIA_RDY1); - - return soc_pcmcia_request_irqs(skt, &cd_irqs[skt->nr], 1); -} + if (skt->nr == 0) { + skt->stat[SOC_STAT_CD].gpio = GPIO_E740_PCMCIA_CD0; + skt->stat[SOC_STAT_CD].name = "CF card detect"; + skt->stat[SOC_STAT_RDY].gpio = GPIO_E740_PCMCIA_RDY0; + skt->stat[SOC_STAT_RDY].name = "CF ready"; + } else { + skt->stat[SOC_STAT_CD].gpio = GPIO_E740_PCMCIA_CD1; + skt->stat[SOC_STAT_CD].name = "Wifi switch"; + skt->stat[SOC_STAT_RDY].gpio = GPIO_E740_PCMCIA_RDY1; + skt->stat[SOC_STAT_RDY].name = "Wifi ready"; + } -/* - * Release all resources. - */ -static void e740_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) -{ - soc_pcmcia_free_irqs(skt, &cd_irqs[skt->nr], 1); + return 0; } static void e740_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) { - if (skt->nr == 0) { - state->detect = gpio_get_value(GPIO_E740_PCMCIA_CD0) ? 0 : 1; - state->ready = gpio_get_value(GPIO_E740_PCMCIA_RDY0) ? 1 : 0; - } else { - state->detect = gpio_get_value(GPIO_E740_PCMCIA_CD1) ? 0 : 1; - state->ready = gpio_get_value(GPIO_E740_PCMCIA_RDY1) ? 1 : 0; - } - state->vs_3v = 1; - state->bvd1 = 1; - state->bvd2 = 1; - state->wrprot = 0; state->vs_Xv = 0; } @@ -106,32 +83,11 @@ static int e740_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, return 0; } -/* - * Enable card status IRQs on (re-)initialisation. This can - * be called at initialisation, power management event, or - * pcmcia event. - */ -static void e740_pcmcia_socket_init(struct soc_pcmcia_socket *skt) -{ - soc_pcmcia_enable_irqs(skt, cd_irqs, ARRAY_SIZE(cd_irqs)); -} - -/* - * Disable card status IRQs on suspend. - */ -static void e740_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) -{ - soc_pcmcia_disable_irqs(skt, cd_irqs, ARRAY_SIZE(cd_irqs)); -} - static struct pcmcia_low_level e740_pcmcia_ops = { .owner = THIS_MODULE, .hw_init = e740_pcmcia_hw_init, - .hw_shutdown = e740_pcmcia_hw_shutdown, .socket_state = e740_pcmcia_socket_state, .configure_socket = e740_pcmcia_configure_socket, - .socket_init = e740_pcmcia_socket_init, - .socket_suspend = e740_pcmcia_socket_suspend, .nr = 2, }; diff --git a/drivers/pcmcia/pxa2xx_hx4700.c b/drivers/pcmcia/pxa2xx_hx4700.c new file mode 100644 index 00000000000..7dfef3ee5b5 --- /dev/null +++ b/drivers/pcmcia/pxa2xx_hx4700.c @@ -0,0 +1,121 @@ +/* + * Copyright (C) 2012 Paul Parsons <lost.distance@yahoo.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/err.h> +#include <linux/gpio.h> +#include <linux/irq.h> + +#include <asm/mach-types.h> +#include <mach/hx4700.h> + +#include "soc_common.h" + +static struct gpio gpios[] = { + { GPIO114_HX4700_CF_RESET, GPIOF_OUT_INIT_LOW, "CF reset" }, + { EGPIO4_CF_3V3_ON, GPIOF_OUT_INIT_LOW, "CF 3.3V enable" }, +}; + +static int hx4700_pcmcia_hw_init(struct soc_pcmcia_socket *skt) +{ + int ret; + + ret = gpio_request_array(gpios, ARRAY_SIZE(gpios)); + if (ret) + goto out; + + /* + * IRQ type must be set before soc_pcmcia_hw_init() calls request_irq(). + * The asic3 default IRQ type is level trigger low level detect, exactly + * the the signal present on GPIOD4_CF_nCD when a CF card is inserted. + * If the IRQ type is not changed, the asic3 interrupt handler will loop + * repeatedly because it is unable to clear the level trigger interrupt. + */ + irq_set_irq_type(gpio_to_irq(GPIOD4_CF_nCD), IRQ_TYPE_EDGE_BOTH); + + skt->stat[SOC_STAT_CD].gpio = GPIOD4_CF_nCD; + skt->stat[SOC_STAT_CD].name = "PCMCIA CD"; + skt->stat[SOC_STAT_RDY].gpio = GPIO60_HX4700_CF_RNB; + skt->stat[SOC_STAT_RDY].name = "PCMCIA Ready"; + +out: + return ret; +} + +static void hx4700_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) +{ + gpio_free_array(gpios, ARRAY_SIZE(gpios)); +} + +static void hx4700_pcmcia_socket_state(struct soc_pcmcia_socket *skt, + struct pcmcia_state *state) +{ + state->vs_3v = 1; + state->vs_Xv = 0; +} + +static int hx4700_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, + const socket_state_t *state) +{ + switch (state->Vcc) { + case 0: + gpio_set_value(EGPIO4_CF_3V3_ON, 0); + break; + case 33: + gpio_set_value(EGPIO4_CF_3V3_ON, 1); + break; + default: + printk(KERN_ERR "pcmcia: Unsupported Vcc: %d\n", state->Vcc); + return -EINVAL; + } + + gpio_set_value(GPIO114_HX4700_CF_RESET, (state->flags & SS_RESET) != 0); + + return 0; +} + +static struct pcmcia_low_level hx4700_pcmcia_ops = { + .owner = THIS_MODULE, + .nr = 1, + .hw_init = hx4700_pcmcia_hw_init, + .hw_shutdown = hx4700_pcmcia_hw_shutdown, + .socket_state = hx4700_pcmcia_socket_state, + .configure_socket = hx4700_pcmcia_configure_socket, +}; + +static struct platform_device *hx4700_pcmcia_device; + +static int __init hx4700_pcmcia_init(void) +{ + struct platform_device *pdev; + + if (!machine_is_h4700()) + return -ENODEV; + + pdev = platform_device_register_data(NULL, "pxa2xx-pcmcia", -1, + &hx4700_pcmcia_ops, sizeof(hx4700_pcmcia_ops)); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + + hx4700_pcmcia_device = pdev; + + return 0; +} + +static void __exit hx4700_pcmcia_exit(void) +{ + platform_device_unregister(hx4700_pcmcia_device); +} + +module_init(hx4700_pcmcia_init); +module_exit(hx4700_pcmcia_exit); + +MODULE_AUTHOR("Paul Parsons <lost.distance@yahoo.com>"); +MODULE_DESCRIPTION("HP iPAQ hx4700 PCMCIA driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/pcmcia/pxa2xx_mainstone.c b/drivers/pcmcia/pxa2xx_mainstone.c index 92016fe932b..7e32e25cdcb 100644 --- a/drivers/pcmcia/pxa2xx_mainstone.c +++ b/drivers/pcmcia/pxa2xx_mainstone.c @@ -30,27 +30,26 @@ #include "soc_common.h" -static struct pcmcia_irqs irqs[] = { - { 0, MAINSTONE_S0_CD_IRQ, "PCMCIA0 CD" }, - { 1, MAINSTONE_S1_CD_IRQ, "PCMCIA1 CD" }, - { 0, MAINSTONE_S0_STSCHG_IRQ, "PCMCIA0 STSCHG" }, - { 1, MAINSTONE_S1_STSCHG_IRQ, "PCMCIA1 STSCHG" }, -}; - static int mst_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { /* * Setup default state of GPIO outputs * before we enable them as outputs. */ - - skt->socket.pci_irq = (skt->nr == 0) ? MAINSTONE_S0_IRQ : MAINSTONE_S1_IRQ; - return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs)); -} - -static void mst_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) -{ - soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs)); + if (skt->nr == 0) { + skt->socket.pci_irq = MAINSTONE_S0_IRQ; + skt->stat[SOC_STAT_CD].irq = MAINSTONE_S0_CD_IRQ; + skt->stat[SOC_STAT_CD].name = "PCMCIA0 CD"; + skt->stat[SOC_STAT_BVD1].irq = MAINSTONE_S0_STSCHG_IRQ; + skt->stat[SOC_STAT_BVD1].name = "PCMCIA0 STSCHG"; + } else { + skt->socket.pci_irq = MAINSTONE_S1_IRQ; + skt->stat[SOC_STAT_CD].irq = MAINSTONE_S1_CD_IRQ; + skt->stat[SOC_STAT_CD].name = "PCMCIA1 CD"; + skt->stat[SOC_STAT_BVD1].irq = MAINSTONE_S1_STSCHG_IRQ; + skt->stat[SOC_STAT_BVD1].name = "PCMCIA1 STSCHG"; + } + return 0; } static unsigned long mst_pcmcia_status[2]; @@ -84,7 +83,6 @@ static void mst_pcmcia_socket_state(struct soc_pcmcia_socket *skt, state->bvd2 = (status & MST_PCMCIA_nSPKR_BVD2) ? 1 : 0; state->vs_3v = (status & MST_PCMCIA_nVS1) ? 0 : 1; state->vs_Xv = (status & MST_PCMCIA_nVS2) ? 0 : 1; - state->wrprot = 0; /* not available */ } static int mst_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, @@ -128,22 +126,11 @@ static int mst_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, return ret; } -static void mst_pcmcia_socket_init(struct soc_pcmcia_socket *skt) -{ -} - -static void mst_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) -{ -} - static struct pcmcia_low_level mst_pcmcia_ops __initdata = { .owner = THIS_MODULE, .hw_init = mst_pcmcia_hw_init, - .hw_shutdown = mst_pcmcia_hw_shutdown, .socket_state = mst_pcmcia_socket_state, .configure_socket = mst_pcmcia_configure_socket, - .socket_init = mst_pcmcia_socket_init, - .socket_suspend = mst_pcmcia_socket_suspend, .nr = 2, }; diff --git a/drivers/pcmcia/pxa2xx_palmld.c b/drivers/pcmcia/pxa2xx_palmld.c index 6fb6f7f0672..ed7d4dbc39f 100644 --- a/drivers/pcmcia/pxa2xx_palmld.c +++ b/drivers/pcmcia/pxa2xx_palmld.c @@ -4,7 +4,7 @@ * Driver for Palm LifeDrive PCMCIA * * Copyright (C) 2006 Alex Osborne <ato@meshy.org> - * Copyright (C) 2007-2008 Marek Vasut <marek.vasut@gmail.com> + * Copyright (C) 2007-2011 Marek Vasut <marek.vasut@gmail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -20,59 +20,33 @@ #include <mach/palmld.h> #include "soc_common.h" +static struct gpio palmld_pcmcia_gpios[] = { + { GPIO_NR_PALMLD_PCMCIA_POWER, GPIOF_INIT_LOW, "PCMCIA Power" }, + { GPIO_NR_PALMLD_PCMCIA_RESET, GPIOF_INIT_HIGH,"PCMCIA Reset" }, +}; + static int palmld_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { int ret; - ret = gpio_request(GPIO_NR_PALMLD_PCMCIA_POWER, "PCMCIA PWR"); - if (ret) - goto err1; - ret = gpio_direction_output(GPIO_NR_PALMLD_PCMCIA_POWER, 0); - if (ret) - goto err2; - - ret = gpio_request(GPIO_NR_PALMLD_PCMCIA_RESET, "PCMCIA RST"); - if (ret) - goto err2; - ret = gpio_direction_output(GPIO_NR_PALMLD_PCMCIA_RESET, 1); - if (ret) - goto err3; - - ret = gpio_request(GPIO_NR_PALMLD_PCMCIA_READY, "PCMCIA RDY"); - if (ret) - goto err3; - ret = gpio_direction_input(GPIO_NR_PALMLD_PCMCIA_READY); - if (ret) - goto err4; + ret = gpio_request_array(palmld_pcmcia_gpios, + ARRAY_SIZE(palmld_pcmcia_gpios)); - skt->socket.pci_irq = IRQ_GPIO(GPIO_NR_PALMLD_PCMCIA_READY); - return 0; + skt->stat[SOC_STAT_RDY].gpio = GPIO_NR_PALMLD_PCMCIA_READY; + skt->stat[SOC_STAT_RDY].name = "PCMCIA Ready"; -err4: - gpio_free(GPIO_NR_PALMLD_PCMCIA_READY); -err3: - gpio_free(GPIO_NR_PALMLD_PCMCIA_RESET); -err2: - gpio_free(GPIO_NR_PALMLD_PCMCIA_POWER); -err1: return ret; } static void palmld_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) { - gpio_free(GPIO_NR_PALMLD_PCMCIA_READY); - gpio_free(GPIO_NR_PALMLD_PCMCIA_RESET); - gpio_free(GPIO_NR_PALMLD_PCMCIA_POWER); + gpio_free_array(palmld_pcmcia_gpios, ARRAY_SIZE(palmld_pcmcia_gpios)); } static void palmld_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) { state->detect = 1; /* always inserted */ - state->ready = !!gpio_get_value(GPIO_NR_PALMLD_PCMCIA_READY); - state->bvd1 = 1; - state->bvd2 = 1; - state->wrprot = 0; state->vs_3v = 1; state->vs_Xv = 0; } @@ -87,14 +61,6 @@ static int palmld_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, return 0; } -static void palmld_pcmcia_socket_init(struct soc_pcmcia_socket *skt) -{ -} - -static void palmld_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) -{ -} - static struct pcmcia_low_level palmld_pcmcia_ops = { .owner = THIS_MODULE, @@ -106,9 +72,6 @@ static struct pcmcia_low_level palmld_pcmcia_ops = { .socket_state = palmld_pcmcia_socket_state, .configure_socket = palmld_pcmcia_configure_socket, - - .socket_init = palmld_pcmcia_socket_init, - .socket_suspend = palmld_pcmcia_socket_suspend, }; static struct platform_device *palmld_pcmcia_device; diff --git a/drivers/pcmcia/pxa2xx_palmtc.c b/drivers/pcmcia/pxa2xx_palmtc.c index 459a232d66b..81225a7a8cb 100644 --- a/drivers/pcmcia/pxa2xx_palmtc.c +++ b/drivers/pcmcia/pxa2xx_palmtc.c @@ -4,7 +4,7 @@ * Driver for Palm Tungsten|C PCMCIA * * Copyright (C) 2008 Alex Osborne <ato@meshy.org> - * Copyright (C) 2009 Marek Vasut <marek.vasut@gmail.com> + * Copyright (C) 2009-2011 Marek Vasut <marek.vasut@gmail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -21,89 +21,36 @@ #include <mach/palmtc.h> #include "soc_common.h" +static struct gpio palmtc_pcmcia_gpios[] = { + { GPIO_NR_PALMTC_PCMCIA_POWER1, GPIOF_INIT_LOW, "PCMCIA Power 1" }, + { GPIO_NR_PALMTC_PCMCIA_POWER2, GPIOF_INIT_LOW, "PCMCIA Power 2" }, + { GPIO_NR_PALMTC_PCMCIA_POWER3, GPIOF_INIT_LOW, "PCMCIA Power 3" }, + { GPIO_NR_PALMTC_PCMCIA_RESET, GPIOF_INIT_HIGH,"PCMCIA Reset" }, + { GPIO_NR_PALMTC_PCMCIA_PWRREADY, GPIOF_IN, "PCMCIA Power Ready" }, +}; + static int palmtc_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { int ret; - ret = gpio_request(GPIO_NR_PALMTC_PCMCIA_POWER1, "PCMCIA PWR1"); - if (ret) - goto err1; - ret = gpio_direction_output(GPIO_NR_PALMTC_PCMCIA_POWER1, 0); - if (ret) - goto err2; - - ret = gpio_request(GPIO_NR_PALMTC_PCMCIA_POWER2, "PCMCIA PWR2"); - if (ret) - goto err2; - ret = gpio_direction_output(GPIO_NR_PALMTC_PCMCIA_POWER2, 0); - if (ret) - goto err3; - - ret = gpio_request(GPIO_NR_PALMTC_PCMCIA_POWER3, "PCMCIA PWR3"); - if (ret) - goto err3; - ret = gpio_direction_output(GPIO_NR_PALMTC_PCMCIA_POWER3, 0); - if (ret) - goto err4; + ret = gpio_request_array(palmtc_pcmcia_gpios, + ARRAY_SIZE(palmtc_pcmcia_gpios)); - ret = gpio_request(GPIO_NR_PALMTC_PCMCIA_RESET, "PCMCIA RST"); - if (ret) - goto err4; - ret = gpio_direction_output(GPIO_NR_PALMTC_PCMCIA_RESET, 1); - if (ret) - goto err5; + skt->stat[SOC_STAT_RDY].gpio = GPIO_NR_PALMTC_PCMCIA_READY; + skt->stat[SOC_STAT_RDY].name = "PCMCIA Ready"; - ret = gpio_request(GPIO_NR_PALMTC_PCMCIA_READY, "PCMCIA RDY"); - if (ret) - goto err5; - ret = gpio_direction_input(GPIO_NR_PALMTC_PCMCIA_READY); - if (ret) - goto err6; - - ret = gpio_request(GPIO_NR_PALMTC_PCMCIA_PWRREADY, "PCMCIA PWRRDY"); - if (ret) - goto err6; - ret = gpio_direction_input(GPIO_NR_PALMTC_PCMCIA_PWRREADY); - if (ret) - goto err7; - - skt->socket.pci_irq = IRQ_GPIO(GPIO_NR_PALMTC_PCMCIA_READY); - return 0; - -err7: - gpio_free(GPIO_NR_PALMTC_PCMCIA_PWRREADY); -err6: - gpio_free(GPIO_NR_PALMTC_PCMCIA_READY); -err5: - gpio_free(GPIO_NR_PALMTC_PCMCIA_RESET); -err4: - gpio_free(GPIO_NR_PALMTC_PCMCIA_POWER3); -err3: - gpio_free(GPIO_NR_PALMTC_PCMCIA_POWER2); -err2: - gpio_free(GPIO_NR_PALMTC_PCMCIA_POWER1); -err1: return ret; } static void palmtc_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) { - gpio_free(GPIO_NR_PALMTC_PCMCIA_PWRREADY); - gpio_free(GPIO_NR_PALMTC_PCMCIA_READY); - gpio_free(GPIO_NR_PALMTC_PCMCIA_RESET); - gpio_free(GPIO_NR_PALMTC_PCMCIA_POWER3); - gpio_free(GPIO_NR_PALMTC_PCMCIA_POWER2); - gpio_free(GPIO_NR_PALMTC_PCMCIA_POWER1); + gpio_free_array(palmtc_pcmcia_gpios, ARRAY_SIZE(palmtc_pcmcia_gpios)); } static void palmtc_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) { state->detect = 1; /* always inserted */ - state->ready = !!gpio_get_value(GPIO_NR_PALMTC_PCMCIA_READY); - state->bvd1 = 1; - state->bvd2 = 1; - state->wrprot = 0; state->vs_3v = 1; state->vs_Xv = 0; } @@ -166,14 +113,6 @@ static int palmtc_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, return ret; } -static void palmtc_pcmcia_socket_init(struct soc_pcmcia_socket *skt) -{ -} - -static void palmtc_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) -{ -} - static struct pcmcia_low_level palmtc_pcmcia_ops = { .owner = THIS_MODULE, @@ -185,9 +124,6 @@ static struct pcmcia_low_level palmtc_pcmcia_ops = { .socket_state = palmtc_pcmcia_socket_state, .configure_socket = palmtc_pcmcia_configure_socket, - - .socket_init = palmtc_pcmcia_socket_init, - .socket_suspend = palmtc_pcmcia_socket_suspend, }; static struct platform_device *palmtc_pcmcia_device; diff --git a/drivers/pcmcia/pxa2xx_palmtx.c b/drivers/pcmcia/pxa2xx_palmtx.c index b07b247a399..069b6bbcf31 100644 --- a/drivers/pcmcia/pxa2xx_palmtx.c +++ b/drivers/pcmcia/pxa2xx_palmtx.c @@ -3,7 +3,7 @@ * * Driver for Palm T|X PCMCIA * - * Copyright (C) 2007-2008 Marek Vasut <marek.vasut@gmail.com> + * Copyright (C) 2007-2011 Marek Vasut <marek.vasut@gmail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -13,77 +13,40 @@ #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/gpio.h> #include <asm/mach-types.h> - -#include <mach/gpio.h> #include <mach/palmtx.h> - #include "soc_common.h" +static struct gpio palmtx_pcmcia_gpios[] = { + { GPIO_NR_PALMTX_PCMCIA_POWER1, GPIOF_INIT_LOW, "PCMCIA Power 1" }, + { GPIO_NR_PALMTX_PCMCIA_POWER2, GPIOF_INIT_LOW, "PCMCIA Power 2" }, + { GPIO_NR_PALMTX_PCMCIA_RESET, GPIOF_INIT_HIGH,"PCMCIA Reset" }, +}; + static int palmtx_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { int ret; - ret = gpio_request(GPIO_NR_PALMTX_PCMCIA_POWER1, "PCMCIA PWR1"); - if (ret) - goto err1; - ret = gpio_direction_output(GPIO_NR_PALMTX_PCMCIA_POWER1, 0); - if (ret) - goto err2; - - ret = gpio_request(GPIO_NR_PALMTX_PCMCIA_POWER2, "PCMCIA PWR2"); - if (ret) - goto err2; - ret = gpio_direction_output(GPIO_NR_PALMTX_PCMCIA_POWER2, 0); - if (ret) - goto err3; + ret = gpio_request_array(palmtx_pcmcia_gpios, + ARRAY_SIZE(palmtx_pcmcia_gpios)); - ret = gpio_request(GPIO_NR_PALMTX_PCMCIA_RESET, "PCMCIA RST"); - if (ret) - goto err3; - ret = gpio_direction_output(GPIO_NR_PALMTX_PCMCIA_RESET, 1); - if (ret) - goto err4; + skt->stat[SOC_STAT_RDY].gpio = GPIO_NR_PALMTX_PCMCIA_READY; + skt->stat[SOC_STAT_RDY].name = "PCMCIA Ready"; - ret = gpio_request(GPIO_NR_PALMTX_PCMCIA_READY, "PCMCIA RDY"); - if (ret) - goto err4; - ret = gpio_direction_input(GPIO_NR_PALMTX_PCMCIA_READY); - if (ret) - goto err5; - - skt->socket.pci_irq = gpio_to_irq(GPIO_NR_PALMTX_PCMCIA_READY); - return 0; - -err5: - gpio_free(GPIO_NR_PALMTX_PCMCIA_READY); -err4: - gpio_free(GPIO_NR_PALMTX_PCMCIA_RESET); -err3: - gpio_free(GPIO_NR_PALMTX_PCMCIA_POWER2); -err2: - gpio_free(GPIO_NR_PALMTX_PCMCIA_POWER1); -err1: return ret; } static void palmtx_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) { - gpio_free(GPIO_NR_PALMTX_PCMCIA_READY); - gpio_free(GPIO_NR_PALMTX_PCMCIA_RESET); - gpio_free(GPIO_NR_PALMTX_PCMCIA_POWER2); - gpio_free(GPIO_NR_PALMTX_PCMCIA_POWER1); + gpio_free_array(palmtx_pcmcia_gpios, ARRAY_SIZE(palmtx_pcmcia_gpios)); } static void palmtx_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) { state->detect = 1; /* always inserted */ - state->ready = !!gpio_get_value(GPIO_NR_PALMTX_PCMCIA_READY); - state->bvd1 = 1; - state->bvd2 = 1; - state->wrprot = 0; state->vs_3v = 1; state->vs_Xv = 0; } @@ -100,14 +63,6 @@ palmtx_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, return 0; } -static void palmtx_pcmcia_socket_init(struct soc_pcmcia_socket *skt) -{ -} - -static void palmtx_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) -{ -} - static struct pcmcia_low_level palmtx_pcmcia_ops = { .owner = THIS_MODULE, @@ -119,9 +74,6 @@ static struct pcmcia_low_level palmtx_pcmcia_ops = { .socket_state = palmtx_pcmcia_socket_state, .configure_socket = palmtx_pcmcia_configure_socket, - - .socket_init = palmtx_pcmcia_socket_init, - .socket_suspend = palmtx_pcmcia_socket_suspend, }; static struct platform_device *palmtx_pcmcia_device; diff --git a/drivers/pcmcia/pxa2xx_sharpsl.c b/drivers/pcmcia/pxa2xx_sharpsl.c index 0ea3b29440e..89ebd8c7663 100644 --- a/drivers/pcmcia/pxa2xx_sharpsl.c +++ b/drivers/pcmcia/pxa2xx_sharpsl.c @@ -46,24 +46,9 @@ static void sharpsl_pcmcia_init_reset(struct soc_pcmcia_socket *skt) static int sharpsl_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { - int ret; - - if (platform_scoop_config->pcmcia_init) - platform_scoop_config->pcmcia_init(); - - /* Register interrupts */ if (SCOOP_DEV[skt->nr].cd_irq >= 0) { - struct pcmcia_irqs cd_irq; - - cd_irq.sock = skt->nr; - cd_irq.irq = SCOOP_DEV[skt->nr].cd_irq; - cd_irq.str = SCOOP_DEV[skt->nr].cd_irq_str; - ret = soc_pcmcia_request_irqs(skt, &cd_irq, 1); - - if (ret) { - printk(KERN_ERR "Request for Compact Flash IRQ failed\n"); - return ret; - } + skt->stat[SOC_STAT_CD].irq = SCOOP_DEV[skt->nr].cd_irq; + skt->stat[SOC_STAT_CD].name = SCOOP_DEV[skt->nr].cd_irq_str; } skt->socket.pci_irq = SCOOP_DEV[skt->nr].irq; @@ -71,19 +56,6 @@ static int sharpsl_pcmcia_hw_init(struct soc_pcmcia_socket *skt) return 0; } -static void sharpsl_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) -{ - if (SCOOP_DEV[skt->nr].cd_irq >= 0) { - struct pcmcia_irqs cd_irq; - - cd_irq.sock = skt->nr; - cd_irq.irq = SCOOP_DEV[skt->nr].cd_irq; - cd_irq.str = SCOOP_DEV[skt->nr].cd_irq_str; - soc_pcmcia_free_irqs(skt, &cd_irq, 1); - } -} - - static void sharpsl_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) { @@ -222,10 +194,9 @@ static void sharpsl_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) sharpsl_pcmcia_init_reset(skt); } -static struct pcmcia_low_level sharpsl_pcmcia_ops __initdata = { +static struct pcmcia_low_level sharpsl_pcmcia_ops = { .owner = THIS_MODULE, .hw_init = sharpsl_pcmcia_hw_init, - .hw_shutdown = sharpsl_pcmcia_hw_shutdown, .socket_state = sharpsl_pcmcia_socket_state, .configure_socket = sharpsl_pcmcia_configure_socket, .socket_init = sharpsl_pcmcia_socket_init, @@ -237,7 +208,7 @@ static struct pcmcia_low_level sharpsl_pcmcia_ops __initdata = { #ifdef CONFIG_SA1100_COLLIE #include "sa11xx_base.h" -int __init pcmcia_collie_init(struct device *dev) +int pcmcia_collie_init(struct device *dev) { int ret = -ENODEV; diff --git a/drivers/pcmcia/pxa2xx_stargate2.c b/drivers/pcmcia/pxa2xx_stargate2.c index d08802fe35f..1d73c4401fd 100644 --- a/drivers/pcmcia/pxa2xx_stargate2.c +++ b/drivers/pcmcia/pxa2xx_stargate2.c @@ -28,37 +28,32 @@ #include "soc_common.h" -#define SG2_S0_BUFF_CTL 120 #define SG2_S0_POWER_CTL 108 #define SG2_S0_GPIO_RESET 82 #define SG2_S0_GPIO_DETECT 53 #define SG2_S0_GPIO_READY 81 -static struct pcmcia_irqs irqs[] = { - { 0, IRQ_GPIO(SG2_S0_GPIO_DETECT), "PCMCIA0 CD" }, +static struct gpio sg2_pcmcia_gpios[] = { + { SG2_S0_GPIO_RESET, GPIOF_OUT_INIT_HIGH, "PCMCIA Reset" }, + { SG2_S0_POWER_CTL, GPIOF_OUT_INIT_HIGH, "PCMCIA Power Ctrl" }, }; static int sg2_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { - skt->socket.pci_irq = IRQ_GPIO(SG2_S0_GPIO_READY); - return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs)); -} - -static void sg2_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) -{ - soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs)); + skt->stat[SOC_STAT_CD].gpio = SG2_S0_GPIO_DETECT; + skt->stat[SOC_STAT_CD].name = "PCMCIA0 CD"; + skt->stat[SOC_STAT_RDY].gpio = SG2_S0_GPIO_READY; + skt->stat[SOC_STAT_RDY].name = "PCMCIA0 RDY"; + return 0; } static void sg2_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) { - state->detect = !gpio_get_value(SG2_S0_GPIO_DETECT); - state->ready = !!gpio_get_value(SG2_S0_GPIO_READY); state->bvd1 = 0; /* not available - battery detect on card */ state->bvd2 = 0; /* not available */ state->vs_3v = 1; /* not available - voltage detect for card */ state->vs_Xv = 0; /* not available */ - state->wrprot = 0; /* not available - write protect */ } static int sg2_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, @@ -88,24 +83,11 @@ static int sg2_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, return 0; } -static void sg2_pcmcia_socket_init(struct soc_pcmcia_socket *skt) -{ - soc_pcmcia_enable_irqs(skt, irqs, ARRAY_SIZE(irqs)); -} - -static void sg2_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) -{ - soc_pcmcia_disable_irqs(skt, irqs, ARRAY_SIZE(irqs)); -} - static struct pcmcia_low_level sg2_pcmcia_ops __initdata = { .owner = THIS_MODULE, .hw_init = sg2_pcmcia_hw_init, - .hw_shutdown = sg2_pcmcia_hw_shutdown, .socket_state = sg2_pcmcia_socket_state, .configure_socket = sg2_pcmcia_configure_socket, - .socket_init = sg2_pcmcia_socket_init, - .socket_suspend = sg2_pcmcia_socket_suspend, .nr = 1, }; @@ -122,37 +104,23 @@ static int __init sg2_pcmcia_init(void) if (!sg2_pcmcia_device) return -ENOMEM; - ret = gpio_request(SG2_S0_BUFF_CTL, "SG2 CF buff ctl"); + ret = gpio_request_array(sg2_pcmcia_gpios, ARRAY_SIZE(sg2_pcmcia_gpios)); if (ret) goto error_put_platform_device; - ret = gpio_request(SG2_S0_POWER_CTL, "SG2 CF power ctl"); - if (ret) - goto error_free_gpio_buff_ctl; - ret = gpio_request(SG2_S0_GPIO_RESET, "SG2 CF reset"); - if (ret) - goto error_free_gpio_power_ctl; - /* Set gpio directions */ - gpio_direction_output(SG2_S0_BUFF_CTL, 0); - gpio_direction_output(SG2_S0_POWER_CTL, 1); - gpio_direction_output(SG2_S0_GPIO_RESET, 1); ret = platform_device_add_data(sg2_pcmcia_device, &sg2_pcmcia_ops, sizeof(sg2_pcmcia_ops)); if (ret) - goto error_free_gpio_reset; + goto error_free_gpios; ret = platform_device_add(sg2_pcmcia_device); if (ret) - goto error_free_gpio_reset; + goto error_free_gpios; return 0; -error_free_gpio_reset: - gpio_free(SG2_S0_GPIO_RESET); -error_free_gpio_power_ctl: - gpio_free(SG2_S0_POWER_CTL); -error_free_gpio_buff_ctl: - gpio_free(SG2_S0_BUFF_CTL); +error_free_gpios: + gpio_free_array(sg2_pcmcia_gpios, ARRAY_SIZE(sg2_pcmcia_gpios)); error_put_platform_device: platform_device_put(sg2_pcmcia_device); @@ -162,9 +130,7 @@ error_put_platform_device: static void __exit sg2_pcmcia_exit(void) { platform_device_unregister(sg2_pcmcia_device); - gpio_free(SG2_S0_BUFF_CTL); - gpio_free(SG2_S0_POWER_CTL); - gpio_free(SG2_S0_GPIO_RESET); + gpio_free_array(sg2_pcmcia_gpios, ARRAY_SIZE(sg2_pcmcia_gpios)); } fs_initcall(sg2_pcmcia_init); diff --git a/drivers/pcmcia/pxa2xx_trizeps4.c b/drivers/pcmcia/pxa2xx_trizeps4.c index b7e596620db..d326ba1fa1c 100644 --- a/drivers/pcmcia/pxa2xx_trizeps4.c +++ b/drivers/pcmcia/pxa2xx_trizeps4.c @@ -29,75 +29,25 @@ extern void board_pcmcia_power(int power); -static struct pcmcia_irqs irqs[] = { - { 0, IRQ_GPIO(GPIO_PCD), "cs0_cd" } - /* on other baseboards we can have more inputs */ -}; - static int trizeps_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { - int ret, i; /* we dont have voltage/card/ready detection * so we dont need interrupts for it */ switch (skt->nr) { case 0: - if (gpio_request(GPIO_PRDY, "cf_irq") < 0) { - pr_err("%s: sock %d unable to request gpio %d\n", __func__, - skt->nr, GPIO_PRDY); - return -EBUSY; - } - if (gpio_direction_input(GPIO_PRDY) < 0) { - pr_err("%s: sock %d unable to set input gpio %d\n", __func__, - skt->nr, GPIO_PRDY); - gpio_free(GPIO_PRDY); - return -EINVAL; - } - skt->socket.pci_irq = IRQ_GPIO(GPIO_PRDY); + skt->stat[SOC_STAT_CD].gpio = GPIO_PCD; + skt->stat[SOC_STAT_CD].name = "cs0_cd"; + skt->stat[SOC_STAT_RDY].gpio = GPIO_PRDY; + skt->stat[SOC_STAT_RDY].name = "cs0_rdy"; break; - -#ifndef CONFIG_MACH_TRIZEPS_CONXS - case 1: -#endif default: break; } /* release the reset of this card */ pr_debug("%s: sock %d irq %d\n", __func__, skt->nr, skt->socket.pci_irq); - /* supplementory irqs for the socket */ - for (i = 0; i < ARRAY_SIZE(irqs); i++) { - if (irqs[i].sock != skt->nr) - continue; - if (gpio_request(IRQ_TO_GPIO(irqs[i].irq), irqs[i].str) < 0) { - pr_err("%s: sock %d unable to request gpio %d\n", - __func__, skt->nr, IRQ_TO_GPIO(irqs[i].irq)); - ret = -EBUSY; - goto error; - } - if (gpio_direction_input(IRQ_TO_GPIO(irqs[i].irq)) < 0) { - pr_err("%s: sock %d unable to set input gpio %d\n", - __func__, skt->nr, IRQ_TO_GPIO(irqs[i].irq)); - ret = -EINVAL; - goto error; - } - } - return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs)); - -error: - for (; i >= 0; i--) { - gpio_free(IRQ_TO_GPIO(irqs[i].irq)); - } - return (ret); -} - -static void trizeps_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) -{ - int i; - /* free allocated gpio's */ - gpio_free(GPIO_PRDY); - for (i = 0; i < ARRAY_SIZE(irqs); i++) - gpio_free(IRQ_TO_GPIO(irqs[i].irq)); + return 0; } static unsigned long trizeps_pcmcia_status[2]; @@ -121,13 +71,10 @@ static void trizeps_pcmcia_socket_state(struct soc_pcmcia_socket *skt, switch (skt->nr) { case 0: /* just fill in fix states */ - state->detect = gpio_get_value(GPIO_PCD) ? 0 : 1; - state->ready = gpio_get_value(GPIO_PRDY) ? 1 : 0; state->bvd1 = (status & ConXS_CFSR_BVD1) ? 1 : 0; state->bvd2 = (status & ConXS_CFSR_BVD2) ? 1 : 0; state->vs_3v = (status & ConXS_CFSR_VS1) ? 0 : 1; state->vs_Xv = (status & ConXS_CFSR_VS2) ? 0 : 1; - state->wrprot = 0; /* not available */ break; #ifndef CONFIG_MACH_TRIZEPS_CONXS @@ -139,7 +86,6 @@ static void trizeps_pcmcia_socket_state(struct soc_pcmcia_socket *skt, state->bvd2 = 0; state->vs_3v = 0; state->vs_Xv = 0; - state->wrprot = 0; break; #endif @@ -207,7 +153,6 @@ static void trizeps_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) static struct pcmcia_low_level trizeps_pcmcia_ops = { .owner = THIS_MODULE, .hw_init = trizeps_pcmcia_hw_init, - .hw_shutdown = trizeps_pcmcia_hw_shutdown, .socket_state = trizeps_pcmcia_socket_state, .configure_socket = trizeps_pcmcia_configure_socket, .socket_init = trizeps_pcmcia_socket_init, @@ -226,6 +171,9 @@ static int __init trizeps_pcmcia_init(void) { int ret; + if (!machine_is_trizeps4() && !machine_is_trizeps4wl()) + return -ENODEV; + trizeps_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); if (!trizeps_pcmcia_device) return -ENOMEM; diff --git a/drivers/pcmcia/pxa2xx_viper.c b/drivers/pcmcia/pxa2xx_viper.c index a51f2077644..a76f495953a 100644 --- a/drivers/pcmcia/pxa2xx_viper.c +++ b/drivers/pcmcia/pxa2xx_viper.c @@ -25,20 +25,13 @@ #include <asm/irq.h> -#include <mach/arcom-pcmcia.h> +#include <linux/platform_data/pcmcia-pxa2xx_viper.h> #include "soc_common.h" #include "pxa2xx_base.h" static struct platform_device *arcom_pcmcia_dev; -static struct pcmcia_irqs irqs[] = { - { - .sock = 0, - .str = "PCMCIA_CD", - }, -}; - static inline struct arcom_pcmcia_pdata *viper_get_pdata(void) { return arcom_pcmcia_dev->dev.platform_data; @@ -49,38 +42,28 @@ static int viper_pcmcia_hw_init(struct soc_pcmcia_socket *skt) struct arcom_pcmcia_pdata *pdata = viper_get_pdata(); unsigned long flags; - skt->socket.pci_irq = gpio_to_irq(pdata->rdy_gpio); - irqs[0].irq = gpio_to_irq(pdata->cd_gpio); - - if (gpio_request(pdata->cd_gpio, "CF detect")) - goto err_request_cd; - - if (gpio_request(pdata->rdy_gpio, "CF ready")) - goto err_request_rdy; + skt->stat[SOC_STAT_CD].gpio = pdata->cd_gpio; + skt->stat[SOC_STAT_CD].name = "PCMCIA_CD"; + skt->stat[SOC_STAT_RDY].gpio = pdata->rdy_gpio; + skt->stat[SOC_STAT_RDY].name = "CF ready"; if (gpio_request(pdata->pwr_gpio, "CF power")) goto err_request_pwr; local_irq_save(flags); - if (gpio_direction_output(pdata->pwr_gpio, 0) || - gpio_direction_input(pdata->cd_gpio) || - gpio_direction_input(pdata->rdy_gpio)) { + if (gpio_direction_output(pdata->pwr_gpio, 0)) { local_irq_restore(flags); goto err_dir; } local_irq_restore(flags); - return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs)); + return 0; err_dir: gpio_free(pdata->pwr_gpio); err_request_pwr: - gpio_free(pdata->rdy_gpio); -err_request_rdy: - gpio_free(pdata->cd_gpio); -err_request_cd: dev_err(&arcom_pcmcia_dev->dev, "Failed to setup PCMCIA GPIOs\n"); return -1; } @@ -92,22 +75,12 @@ static void viper_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) { struct arcom_pcmcia_pdata *pdata = viper_get_pdata(); - soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs)); gpio_free(pdata->pwr_gpio); - gpio_free(pdata->rdy_gpio); - gpio_free(pdata->cd_gpio); } static void viper_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) { - struct arcom_pcmcia_pdata *pdata = viper_get_pdata(); - - state->detect = !gpio_get_value(pdata->cd_gpio); - state->ready = !!gpio_get_value(pdata->rdy_gpio); - state->bvd1 = 1; - state->bvd2 = 1; - state->wrprot = 0; state->vs_3v = 1; /* Can only apply 3.3V */ state->vs_Xv = 0; } @@ -136,22 +109,12 @@ static int viper_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, return 0; } -static void viper_pcmcia_socket_init(struct soc_pcmcia_socket *skt) -{ -} - -static void viper_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) -{ -} - static struct pcmcia_low_level viper_pcmcia_ops = { .owner = THIS_MODULE, .hw_init = viper_pcmcia_hw_init, .hw_shutdown = viper_pcmcia_hw_shutdown, .socket_state = viper_pcmcia_socket_state, .configure_socket = viper_pcmcia_configure_socket, - .socket_init = viper_pcmcia_socket_init, - .socket_suspend = viper_pcmcia_socket_suspend, .nr = 1, }; @@ -214,18 +177,7 @@ static struct platform_driver viper_pcmcia_driver = { .id_table = viper_pcmcia_id_table, }; -static int __init viper_pcmcia_init(void) -{ - return platform_driver_register(&viper_pcmcia_driver); -} - -static void __exit viper_pcmcia_exit(void) -{ - return platform_driver_unregister(&viper_pcmcia_driver); -} - -module_init(viper_pcmcia_init); -module_exit(viper_pcmcia_exit); +module_platform_driver(viper_pcmcia_driver); MODULE_DEVICE_TABLE(platform, viper_pcmcia_id_table); MODULE_LICENSE("GPL"); diff --git a/drivers/pcmcia/pxa2xx_vpac270.c b/drivers/pcmcia/pxa2xx_vpac270.c new file mode 100644 index 00000000000..a47dcd24a26 --- /dev/null +++ b/drivers/pcmcia/pxa2xx_vpac270.c @@ -0,0 +1,142 @@ +/* + * linux/drivers/pcmcia/pxa2xx_vpac270.c + * + * Driver for Voipac PXA270 PCMCIA and CF sockets + * + * Copyright (C) 2010-2011 Marek Vasut <marek.vasut@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include <linux/gpio.h> +#include <linux/module.h> +#include <linux/platform_device.h> + +#include <asm/mach-types.h> + +#include <asm/gpio.h> +#include <mach/vpac270.h> + +#include "soc_common.h" + +static struct gpio vpac270_pcmcia_gpios[] = { + { GPIO107_VPAC270_PCMCIA_PPEN, GPIOF_INIT_LOW, "PCMCIA PPEN" }, + { GPIO11_VPAC270_PCMCIA_RESET, GPIOF_INIT_LOW, "PCMCIA Reset" }, +}; + +static struct gpio vpac270_cf_gpios[] = { + { GPIO16_VPAC270_CF_RESET, GPIOF_INIT_LOW, "CF Reset" }, +}; + +static int vpac270_pcmcia_hw_init(struct soc_pcmcia_socket *skt) +{ + int ret; + + if (skt->nr == 0) { + ret = gpio_request_array(vpac270_pcmcia_gpios, + ARRAY_SIZE(vpac270_pcmcia_gpios)); + + skt->stat[SOC_STAT_CD].gpio = GPIO84_VPAC270_PCMCIA_CD; + skt->stat[SOC_STAT_CD].name = "PCMCIA CD"; + skt->stat[SOC_STAT_RDY].gpio = GPIO35_VPAC270_PCMCIA_RDY; + skt->stat[SOC_STAT_RDY].name = "PCMCIA Ready"; + } else { + ret = gpio_request_array(vpac270_cf_gpios, + ARRAY_SIZE(vpac270_cf_gpios)); + + skt->stat[SOC_STAT_CD].gpio = GPIO17_VPAC270_CF_CD; + skt->stat[SOC_STAT_CD].name = "CF CD"; + skt->stat[SOC_STAT_RDY].gpio = GPIO12_VPAC270_CF_RDY; + skt->stat[SOC_STAT_RDY].name = "CF Ready"; + } + + return ret; +} + +static void vpac270_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) +{ + if (skt->nr == 0) + gpio_free_array(vpac270_pcmcia_gpios, + ARRAY_SIZE(vpac270_pcmcia_gpios)); + else + gpio_free_array(vpac270_cf_gpios, + ARRAY_SIZE(vpac270_cf_gpios)); +} + +static void vpac270_pcmcia_socket_state(struct soc_pcmcia_socket *skt, + struct pcmcia_state *state) +{ + state->vs_3v = 1; + state->vs_Xv = 0; +} + +static int +vpac270_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, + const socket_state_t *state) +{ + if (skt->nr == 0) { + gpio_set_value(GPIO11_VPAC270_PCMCIA_RESET, + (state->flags & SS_RESET)); + gpio_set_value(GPIO107_VPAC270_PCMCIA_PPEN, + !(state->Vcc == 33 || state->Vcc == 50)); + } else { + gpio_set_value(GPIO16_VPAC270_CF_RESET, + (state->flags & SS_RESET)); + } + + return 0; +} + +static struct pcmcia_low_level vpac270_pcmcia_ops = { + .owner = THIS_MODULE, + + .first = 0, + .nr = 2, + + .hw_init = vpac270_pcmcia_hw_init, + .hw_shutdown = vpac270_pcmcia_hw_shutdown, + + .socket_state = vpac270_pcmcia_socket_state, + .configure_socket = vpac270_pcmcia_configure_socket, +}; + +static struct platform_device *vpac270_pcmcia_device; + +static int __init vpac270_pcmcia_init(void) +{ + int ret; + + if (!machine_is_vpac270()) + return -ENODEV; + + vpac270_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); + if (!vpac270_pcmcia_device) + return -ENOMEM; + + ret = platform_device_add_data(vpac270_pcmcia_device, + &vpac270_pcmcia_ops, sizeof(vpac270_pcmcia_ops)); + + if (!ret) + ret = platform_device_add(vpac270_pcmcia_device); + + if (ret) + platform_device_put(vpac270_pcmcia_device); + + return ret; +} + +static void __exit vpac270_pcmcia_exit(void) +{ + platform_device_unregister(vpac270_pcmcia_device); +} + +module_init(vpac270_pcmcia_init); +module_exit(vpac270_pcmcia_exit); + +MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>"); +MODULE_DESCRIPTION("PCMCIA support for Voipac PXA270"); +MODULE_ALIAS("platform:pxa2xx-pcmcia"); +MODULE_LICENSE("GPL"); diff --git a/drivers/pcmcia/rsrc_iodyn.c b/drivers/pcmcia/rsrc_iodyn.c new file mode 100644 index 00000000000..f53c237bda2 --- /dev/null +++ b/drivers/pcmcia/rsrc_iodyn.c @@ -0,0 +1,171 @@ +/* + * rsrc_iodyn.c -- Resource management routines for MEM-static sockets. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * The initial developer of the original code is David A. Hinds + * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds + * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. + * + * (C) 1999 David A. Hinds + */ + +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/kernel.h> + +#include <pcmcia/ss.h> +#include <pcmcia/cistpl.h> +#include "cs_internal.h" + + +struct pcmcia_align_data { + unsigned long mask; + unsigned long offset; +}; + +static resource_size_t pcmcia_align(void *align_data, + const struct resource *res, + resource_size_t size, resource_size_t align) +{ + struct pcmcia_align_data *data = align_data; + resource_size_t start; + + start = (res->start & ~data->mask) + data->offset; + if (start < res->start) + start += data->mask + 1; + +#ifdef CONFIG_X86 + if (res->flags & IORESOURCE_IO) { + if (start & 0x300) + start = (start + 0x3ff) & ~0x3ff; + } +#endif + +#ifdef CONFIG_M68K + if (res->flags & IORESOURCE_IO) { + if ((res->start + size - 1) >= 1024) + start = res->end; + } +#endif + + return start; +} + + +static struct resource *__iodyn_find_io_region(struct pcmcia_socket *s, + unsigned long base, int num, + unsigned long align) +{ + struct resource *res = pcmcia_make_resource(0, num, IORESOURCE_IO, + dev_name(&s->dev)); + struct pcmcia_align_data data; + unsigned long min = base; + int ret; + + data.mask = align - 1; + data.offset = base & data.mask; + +#ifdef CONFIG_PCI + if (s->cb_dev) { + ret = pci_bus_alloc_resource(s->cb_dev->bus, res, num, 1, + min, 0, pcmcia_align, &data); + } else +#endif + ret = allocate_resource(&ioport_resource, res, num, min, ~0UL, + 1, pcmcia_align, &data); + + if (ret != 0) { + kfree(res); + res = NULL; + } + return res; +} + +static int iodyn_find_io(struct pcmcia_socket *s, unsigned int attr, + unsigned int *base, unsigned int num, + unsigned int align, struct resource **parent) +{ + int i, ret = 0; + + /* Check for an already-allocated window that must conflict with + * what was asked for. It is a hack because it does not catch all + * potential conflicts, just the most obvious ones. + */ + for (i = 0; i < MAX_IO_WIN; i++) { + if (!s->io[i].res) + continue; + + if (!*base) + continue; + + if ((s->io[i].res->start & (align-1)) == *base) + return -EBUSY; + } + + for (i = 0; i < MAX_IO_WIN; i++) { + struct resource *res = s->io[i].res; + unsigned int try; + + if (res && (res->flags & IORESOURCE_BITS) != + (attr & IORESOURCE_BITS)) + continue; + + if (!res) { + if (align == 0) + align = 0x10000; + + res = s->io[i].res = __iodyn_find_io_region(s, *base, + num, align); + if (!res) + return -EINVAL; + + *base = res->start; + s->io[i].res->flags = + ((res->flags & ~IORESOURCE_BITS) | + (attr & IORESOURCE_BITS)); + s->io[i].InUse = num; + *parent = res; + return 0; + } + + /* Try to extend top of window */ + try = res->end + 1; + if ((*base == 0) || (*base == try)) { + if (adjust_resource(s->io[i].res, res->start, + resource_size(res) + num)) + continue; + *base = try; + s->io[i].InUse += num; + *parent = res; + return 0; + } + + /* Try to extend bottom of window */ + try = res->start - num; + if ((*base == 0) || (*base == try)) { + if (adjust_resource(s->io[i].res, + res->start - num, + resource_size(res) + num)) + continue; + *base = try; + s->io[i].InUse += num; + *parent = res; + return 0; + } + } + + return -EINVAL; +} + + +struct pccard_resource_ops pccard_iodyn_ops = { + .validate_mem = NULL, + .find_io = iodyn_find_io, + .find_mem = NULL, + .init = static_init, + .exit = NULL, +}; +EXPORT_SYMBOL(pccard_iodyn_ops); diff --git a/drivers/pcmcia/rsrc_mgr.c b/drivers/pcmcia/rsrc_mgr.c index 52db17263d8..aa628ed0e9f 100644 --- a/drivers/pcmcia/rsrc_mgr.c +++ b/drivers/pcmcia/rsrc_mgr.c @@ -12,185 +12,61 @@ * (C) 1999 David A. Hinds */ +#include <linux/slab.h> #include <linux/module.h> #include <linux/kernel.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include "cs_internal.h" - -int pcmcia_validate_mem(struct pcmcia_socket *s) -{ - if (s->resource_ops->validate_mem) - return s->resource_ops->validate_mem(s); - /* if there is no callback, we can assume that everything is OK */ - return 0; -} -EXPORT_SYMBOL(pcmcia_validate_mem); - -int pcmcia_adjust_io_region(struct resource *res, unsigned long r_start, - unsigned long r_end, struct pcmcia_socket *s) -{ - if (s->resource_ops->adjust_io_region) - return s->resource_ops->adjust_io_region(res, r_start, r_end, s); - return -ENOMEM; -} -EXPORT_SYMBOL(pcmcia_adjust_io_region); - -struct resource *pcmcia_find_io_region(unsigned long base, int num, - unsigned long align, struct pcmcia_socket *s) -{ - if (s->resource_ops->find_io) - return s->resource_ops->find_io(base, num, align, s); - return NULL; -} -EXPORT_SYMBOL(pcmcia_find_io_region); - -struct resource *pcmcia_find_mem_region(u_long base, u_long num, u_long align, - int low, struct pcmcia_socket *s) -{ - if (s->resource_ops->find_mem) - return s->resource_ops->find_mem(base, num, align, low, s); - return NULL; -} -EXPORT_SYMBOL(pcmcia_find_mem_region); - -void release_resource_db(struct pcmcia_socket *s) +int static_init(struct pcmcia_socket *s) { - if (s->resource_ops->exit) - s->resource_ops->exit(s); -} - - -static int static_init(struct pcmcia_socket *s) -{ - unsigned long flags; - /* the good thing about SS_CAP_STATIC_MAP sockets is * that they don't need a resource database */ - spin_lock_irqsave(&s->lock, flags); s->resource_setup_done = 1; - spin_unlock_irqrestore(&s->lock, flags); return 0; } - -struct pccard_resource_ops pccard_static_ops = { - .validate_mem = NULL, - .adjust_io_region = NULL, - .find_io = NULL, - .find_mem = NULL, - .add_io = NULL, - .add_mem = NULL, - .init = static_init, - .exit = NULL, -}; -EXPORT_SYMBOL(pccard_static_ops); - - -#ifdef CONFIG_PCCARD_IODYN - -static struct resource * -make_resource(unsigned long b, unsigned long n, int flags, char *name) +struct resource *pcmcia_make_resource(unsigned long start, unsigned long end, + int flags, const char *name) { struct resource *res = kzalloc(sizeof(*res), GFP_KERNEL); if (res) { res->name = name; - res->start = b; - res->end = b + n - 1; + res->start = start; + res->end = start + end - 1; res->flags = flags; } return res; } -struct pcmcia_align_data { - unsigned long mask; - unsigned long offset; -}; - -static void pcmcia_align(void *align_data, struct resource *res, - unsigned long size, unsigned long align) +static int static_find_io(struct pcmcia_socket *s, unsigned int attr, + unsigned int *base, unsigned int num, + unsigned int align, struct resource **parent) { - struct pcmcia_align_data *data = align_data; - unsigned long start; - - start = (res->start & ~data->mask) + data->offset; - if (start < res->start) - start += data->mask + 1; - res->start = start; + if (!s->io_offset) + return -EINVAL; + *base = s->io_offset | (*base & 0x0fff); + *parent = NULL; -#ifdef CONFIG_X86 - if (res->flags & IORESOURCE_IO) { - if (start & 0x300) { - start = (start + 0x3ff) & ~0x3ff; - res->start = start; - } - } -#endif - -#ifdef CONFIG_M68K - if (res->flags & IORESOURCE_IO) { - if ((res->start + size - 1) >= 1024) - res->start = res->end; - } -#endif -} - - -static int iodyn_adjust_io_region(struct resource *res, unsigned long r_start, - unsigned long r_end, struct pcmcia_socket *s) -{ - return adjust_resource(res, r_start, r_end - r_start + 1); + return 0; } -static struct resource *iodyn_find_io_region(unsigned long base, int num, - unsigned long align, struct pcmcia_socket *s) -{ - struct resource *res = make_resource(0, num, IORESOURCE_IO, - dev_name(&s->dev)); - struct pcmcia_align_data data; - unsigned long min = base; - int ret; - - if (align == 0) - align = 0x10000; - - data.mask = align - 1; - data.offset = base & data.mask; - -#ifdef CONFIG_PCI - if (s->cb_dev) { - ret = pci_bus_alloc_resource(s->cb_dev->bus, res, num, 1, - min, 0, pcmcia_align, &data); - } else -#endif - ret = allocate_resource(&ioport_resource, res, num, min, ~0UL, - 1, pcmcia_align, &data); - - if (ret != 0) { - kfree(res); - res = NULL; - } - return res; -} - -struct pccard_resource_ops pccard_iodyn_ops = { +struct pccard_resource_ops pccard_static_ops = { .validate_mem = NULL, - .adjust_io_region = iodyn_adjust_io_region, - .find_io = iodyn_find_io_region, + .find_io = static_find_io, .find_mem = NULL, - .add_io = NULL, - .add_mem = NULL, .init = static_init, .exit = NULL, }; -EXPORT_SYMBOL(pccard_iodyn_ops); +EXPORT_SYMBOL(pccard_static_ops); + -#endif /* CONFIG_PCCARD_IODYN */ +MODULE_AUTHOR("David A. Hinds, Dominik Brodowski"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("rsrc_nonstatic"); diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c index 9b0dc433a8c..065704c605d 100644 --- a/drivers/pcmcia/rsrc_nonstatic.c +++ b/drivers/pcmcia/rsrc_nonstatic.c @@ -28,14 +28,14 @@ #include <asm/irq.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include "cs_internal.h" +/* moved to rsrc_mgr.c MODULE_AUTHOR("David A. Hinds, Dominik Brodowski"); MODULE_LICENSE("GPL"); +*/ /* Parameters that can be set with 'insmod' */ @@ -55,14 +55,16 @@ struct resource_map { struct socket_data { struct resource_map mem_db; + struct resource_map mem_db_valid; struct resource_map io_db; - unsigned int rsrc_mem_probe; }; -static DEFINE_MUTEX(rsrc_mutex); #define MEM_PROBE_LOW (1 << 0) #define MEM_PROBE_HIGH (1 << 1) +/* Action field */ +#define REMOVE_MANAGED_RESOURCE 1 +#define ADD_MANAGED_RESOURCE 2 /*====================================================================== @@ -71,27 +73,13 @@ static DEFINE_MUTEX(rsrc_mutex); ======================================================================*/ static struct resource * -make_resource(resource_size_t b, resource_size_t n, int flags, const char *name) -{ - struct resource *res = kzalloc(sizeof(*res), GFP_KERNEL); - - if (res) { - res->name = name; - res->start = b; - res->end = b + n - 1; - res->flags = flags; - } - return res; -} - -static struct resource * claim_region(struct pcmcia_socket *s, resource_size_t base, resource_size_t size, int type, char *name) { struct resource *res, *parent; parent = type & IORESOURCE_MEM ? &iomem_resource : &ioport_resource; - res = make_resource(base, size, type | IORESOURCE_BUSY, name); + res = pcmcia_make_resource(base, size, type | IORESOURCE_BUSY, name); if (res) { #ifdef CONFIG_PCI @@ -125,8 +113,10 @@ static int add_interval(struct resource_map *map, u_long base, u_long num) struct resource_map *p, *q; for (p = map; ; p = p->next) { - if ((p != map) && (p->base+p->num-1 >= base)) - return -1; + if ((p != map) && (p->base+p->num >= base)) { + p->num = max(num + base - p->base, p->num); + return 0; + } if ((p->next == map) || (p->next->base > base+num-1)) break; } @@ -213,7 +203,7 @@ static void do_io_probe(struct pcmcia_socket *s, unsigned int base, return; } for (i = base, most = 0; i < base+num; i += 8) { - res = claim_region(NULL, i, 8, IORESOURCE_IO, "PCMCIA ioprobe"); + res = claim_region(s, i, 8, IORESOURCE_IO, "PCMCIA ioprobe"); if (!res) continue; hole = inb(i); @@ -230,9 +220,14 @@ static void do_io_probe(struct pcmcia_socket *s, unsigned int base, bad = any = 0; for (i = base; i < base+num; i += 8) { - res = claim_region(NULL, i, 8, IORESOURCE_IO, "PCMCIA ioprobe"); - if (!res) + res = claim_region(s, i, 8, IORESOURCE_IO, "PCMCIA ioprobe"); + if (!res) { + if (!any) + printk(" excluding"); + if (!bad) + bad = any = i; continue; + } for (j = 0; j < 8; j++) if (inb(i+j) != most) break; @@ -252,6 +247,7 @@ static void do_io_probe(struct pcmcia_socket *s, unsigned int base, } if (bad) { if ((num > 16) && (bad == base) && (i == base+num)) { + sub_interval(&s_data->io_db, bad, i-bad); printk(" nothing: probe failed.\n"); return; } else { @@ -264,36 +260,44 @@ static void do_io_probe(struct pcmcia_socket *s, unsigned int base, } #endif -/*====================================================================== +/*======================================================================*/ - This is tricky... when we set up CIS memory, we try to validate - the memory window space allocations. - -======================================================================*/ - -/* Validation function for cards with a valid CIS */ +/** + * readable() - iomem validation function for cards with a valid CIS + */ static int readable(struct pcmcia_socket *s, struct resource *res, unsigned int *count) { - int ret = -1; + int ret = -EINVAL; + + if (s->fake_cis) { + dev_dbg(&s->dev, "fake CIS is being used: can't validate mem\n"); + return 0; + } s->cis_mem.res = res; s->cis_virt = ioremap(res->start, s->map_size); if (s->cis_virt) { - ret = pccard_validate_cis(s, count); - /* invalidate mapping and CIS cache */ + mutex_unlock(&s->ops_mutex); + /* as we're only called from pcmcia.c, we're safe */ + if (s->callback->validate) + ret = s->callback->validate(s, count); + /* invalidate mapping */ + mutex_lock(&s->ops_mutex); iounmap(s->cis_virt); s->cis_virt = NULL; - destroy_cis_cache(s); } s->cis_mem.res = NULL; - if ((ret != 0) || (*count == 0)) - return 0; - return 1; + if ((ret) || (*count == 0)) + return -EINVAL; + return 0; } -/* Validation function for simple memory cards */ -static int checksum(struct pcmcia_socket *s, struct resource *res) +/** + * checksum() - iomem validation function for simple memory cards + */ +static int checksum(struct pcmcia_socket *s, struct resource *res, + unsigned int *value) { pccard_mem_map map; int i, a = 0, b = -1, d; @@ -321,61 +325,90 @@ static int checksum(struct pcmcia_socket *s, struct resource *res) iounmap(virt); } - return (b == -1) ? -1 : (a>>1); -} - -static int -cis_readable(struct pcmcia_socket *s, unsigned long base, unsigned long size) -{ - struct resource *res1, *res2; - unsigned int info1, info2; - int ret = 0; - - res1 = claim_region(s, base, size/2, IORESOURCE_MEM, "PCMCIA memprobe"); - res2 = claim_region(s, base + size/2, size/2, IORESOURCE_MEM, - "PCMCIA memprobe"); - - if (res1 && res2) { - ret = readable(s, res1, &info1); - ret += readable(s, res2, &info2); - } + if (b == -1) + return -EINVAL; - free_region(res2); - free_region(res1); + *value = a; - return (ret == 2) && (info1 == info2); + return 0; } -static int -checksum_match(struct pcmcia_socket *s, unsigned long base, unsigned long size) +/** + * do_validate_mem() - low level validate a memory region for PCMCIA use + * @s: PCMCIA socket to validate + * @base: start address of resource to check + * @size: size of resource to check + * @validate: validation function to use + * + * do_validate_mem() splits up the memory region which is to be checked + * into two parts. Both are passed to the @validate() function. If + * @validate() returns non-zero, or the value parameter to @validate() + * is zero, or the value parameter is different between both calls, + * the check fails, and -EINVAL is returned. Else, 0 is returned. + */ +static int do_validate_mem(struct pcmcia_socket *s, + unsigned long base, unsigned long size, + int validate (struct pcmcia_socket *s, + struct resource *res, + unsigned int *value)) { + struct socket_data *s_data = s->resource_data; struct resource *res1, *res2; - int a = -1, b = -1; + unsigned int info1 = 1, info2 = 1; + int ret = -EINVAL; res1 = claim_region(s, base, size/2, IORESOURCE_MEM, "PCMCIA memprobe"); res2 = claim_region(s, base + size/2, size/2, IORESOURCE_MEM, "PCMCIA memprobe"); if (res1 && res2) { - a = checksum(s, res1); - b = checksum(s, res2); + ret = 0; + if (validate) { + ret = validate(s, res1, &info1); + ret += validate(s, res2, &info2); + } } + dev_dbg(&s->dev, "cs: memory probe 0x%06lx-0x%06lx: %p %p %u %u %u", + base, base+size-1, res1, res2, ret, info1, info2); + free_region(res2); free_region(res1); - return (a == b) && (a >= 0); -} + if ((ret) || (info1 != info2) || (info1 == 0)) + return -EINVAL; -/*====================================================================== + if (validate && !s->fake_cis) { + /* move it to the validated data set */ + add_interval(&s_data->mem_db_valid, base, size); + sub_interval(&s_data->mem_db, base, size); + } - The memory probe. If the memory list includes a 64K-aligned block - below 1MB, we probe in 64K chunks, and as soon as we accumulate at - least mem_limit free space, we quit. + return 0; +} -======================================================================*/ -static int do_mem_probe(u_long base, u_long num, struct pcmcia_socket *s) +/** + * do_mem_probe() - validate a memory region for PCMCIA use + * @s: PCMCIA socket to validate + * @base: start address of resource to check + * @num: size of resource to check + * @validate: validation function to use + * @fallback: validation function to use if validate fails + * + * do_mem_probe() checks a memory region for use by the PCMCIA subsystem. + * To do so, the area is split up into sensible parts, and then passed + * into the @validate() function. Only if @validate() and @fallback() fail, + * the area is marked as unavaibale for use by the PCMCIA subsystem. The + * function returns the size of the usable memory area. + */ +static int do_mem_probe(struct pcmcia_socket *s, u_long base, u_long num, + int validate (struct pcmcia_socket *s, + struct resource *res, + unsigned int *value), + int fallback (struct pcmcia_socket *s, + struct resource *res, + unsigned int *value)) { struct socket_data *s_data = s->resource_data; u_long i, j, bad, fail, step; @@ -393,15 +426,14 @@ static int do_mem_probe(u_long base, u_long num, struct pcmcia_socket *s) for (i = j = base; i < base+num; i = j + step) { if (!fail) { for (j = i; j < base+num; j += step) { - if (cis_readable(s, j, step)) + if (!do_validate_mem(s, j, step, validate)) break; } fail = ((i == base) && (j == base+num)); } - if (fail) { - for (j = i; j < base+num; j += 2*step) - if (checksum_match(s, j, step) && - checksum_match(s, j + step, step)) + if ((fail) && (fallback)) { + for (j = i; j < base+num; j += step) + if (!do_validate_mem(s, j, step, fallback)) break; } if (i != j) { @@ -416,8 +448,14 @@ static int do_mem_probe(u_long base, u_long num, struct pcmcia_socket *s) return num - bad; } + #ifdef CONFIG_PCMCIA_PROBE +/** + * inv_probe() - top-to-bottom search for one usuable high memory area + * @s: PCMCIA socket to validate + * @m: resource_map to check + */ static u_long inv_probe(struct resource_map *m, struct pcmcia_socket *s) { struct socket_data *s_data = s->resource_data; @@ -432,9 +470,18 @@ static u_long inv_probe(struct resource_map *m, struct pcmcia_socket *s) } if (m->base < 0x100000) return 0; - return do_mem_probe(m->base, m->num, s); + return do_mem_probe(s, m->base, m->num, readable, checksum); } +/** + * validate_mem() - memory probe function + * @s: PCMCIA socket to validate + * @probe_mask: MEM_PROBE_LOW | MEM_PROBE_HIGH + * + * The memory probe. If the memory list includes a 64K-aligned block + * below 1MB, we probe in 64K chunks, and as soon as we accumulate at + * least mem_limit free space, we quit. Returns 0 on usuable ports. + */ static int validate_mem(struct pcmcia_socket *s, unsigned int probe_mask) { struct resource_map *m, mm; @@ -446,6 +493,8 @@ static int validate_mem(struct pcmcia_socket *s, unsigned int probe_mask) if (probe_mask & MEM_PROBE_HIGH) { if (inv_probe(s_data->mem_db.next, s) > 0) return 0; + if (s_data->mem_db_valid.next != &s_data->mem_db_valid) + return 0; dev_printk(KERN_NOTICE, &s->dev, "cs: warning: no high memory space available!\n"); return -ENODEV; @@ -457,7 +506,8 @@ static int validate_mem(struct pcmcia_socket *s, unsigned int probe_mask) if (mm.base >= 0x100000) continue; if ((mm.base | mm.num) & 0xffff) { - ok += do_mem_probe(mm.base, mm.num, s); + ok += do_mem_probe(s, mm.base, mm.num, readable, + checksum); continue; } /* Special probe for 64K-aligned block */ @@ -467,7 +517,8 @@ static int validate_mem(struct pcmcia_socket *s, unsigned int probe_mask) if (ok >= mem_limit) sub_interval(&s_data->mem_db, b, 0x10000); else - ok += do_mem_probe(b, 0x10000, s); + ok += do_mem_probe(s, b, 0x10000, + readable, checksum); } } } @@ -480,6 +531,13 @@ static int validate_mem(struct pcmcia_socket *s, unsigned int probe_mask) #else /* CONFIG_PCMCIA_PROBE */ +/** + * validate_mem() - memory probe function + * @s: PCMCIA socket to validate + * @probe_mask: ignored + * + * Returns 0 on usuable ports. + */ static int validate_mem(struct pcmcia_socket *s, unsigned int probe_mask) { struct resource_map *m, mm; @@ -488,7 +546,7 @@ static int validate_mem(struct pcmcia_socket *s, unsigned int probe_mask) for (m = s_data->mem_db.next; m != &s_data->mem_db; m = mm.next) { mm = *m; - ok += do_mem_probe(mm.base, mm.num, s); + ok += do_mem_probe(s, mm.base, mm.num, readable, checksum); } if (ok > 0) return 0; @@ -498,31 +556,31 @@ static int validate_mem(struct pcmcia_socket *s, unsigned int probe_mask) #endif /* CONFIG_PCMCIA_PROBE */ -/* +/** + * pcmcia_nonstatic_validate_mem() - try to validate iomem for PCMCIA use + * @s: PCMCIA socket to validate + * + * This is tricky... when we set up CIS memory, we try to validate + * the memory window space allocations. + * * Locking note: Must be called with skt_mutex held! */ static int pcmcia_nonstatic_validate_mem(struct pcmcia_socket *s) { struct socket_data *s_data = s->resource_data; unsigned int probe_mask = MEM_PROBE_LOW; - int ret = 0; + int ret; - if (!probe_mem) + if (!probe_mem || !(s->state & SOCKET_PRESENT)) return 0; - mutex_lock(&rsrc_mutex); - if (s->features & SS_CAP_PAGE_REGS) probe_mask = MEM_PROBE_HIGH; - if (probe_mask & ~s_data->rsrc_mem_probe) { - if (s->state & SOCKET_PRESENT) - ret = validate_mem(s, probe_mask); - if (!ret) - s_data->rsrc_mem_probe |= probe_mask; - } + ret = validate_mem(s, probe_mask); - mutex_unlock(&rsrc_mutex); + if (s_data->mem_db_valid.next != &s_data->mem_db_valid) + return 0; return ret; } @@ -533,52 +591,49 @@ struct pcmcia_align_data { struct resource_map *map; }; -static void -pcmcia_common_align(void *align_data, struct resource *res, - resource_size_t size, resource_size_t align) +static resource_size_t pcmcia_common_align(struct pcmcia_align_data *align_data, + resource_size_t start) { - struct pcmcia_align_data *data = align_data; - resource_size_t start; + resource_size_t ret; /* * Ensure that we have the correct start address */ - start = (res->start & ~data->mask) + data->offset; - if (start < res->start) - start += data->mask + 1; - res->start = start; + ret = (start & ~align_data->mask) + align_data->offset; + if (ret < start) + ret += align_data->mask + 1; + return ret; } -static void -pcmcia_align(void *align_data, struct resource *res, resource_size_t size, - resource_size_t align) +static resource_size_t +pcmcia_align(void *align_data, const struct resource *res, + resource_size_t size, resource_size_t align) { struct pcmcia_align_data *data = align_data; struct resource_map *m; + resource_size_t start; - pcmcia_common_align(data, res, size, align); + start = pcmcia_common_align(data, res->start); for (m = data->map->next; m != data->map; m = m->next) { - unsigned long start = m->base; - unsigned long end = m->base + m->num - 1; + unsigned long map_start = m->base; + unsigned long map_end = m->base + m->num - 1; /* * If the lower resources are not available, try aligning * to this entry of the resource database to see if it'll * fit here. */ - if (res->start < start) { - res->start = start; - pcmcia_common_align(data, res, size, align); - } + if (start < map_start) + start = pcmcia_common_align(data, map_start); /* * If we're above the area which was passed in, there's * no point proceeding. */ - if (res->start >= res->end) + if (start >= res->end) break; - if ((res->start + size - 1) <= end) + if ((start + size - 1) <= map_end) break; } @@ -586,21 +641,23 @@ pcmcia_align(void *align_data, struct resource *res, resource_size_t size, * If we failed to find something suitable, ensure we fail. */ if (m == data->map) - res->start = res->end; + start = res->end; + + return start; } /* * Adjust an existing IO region allocation, but making sure that we don't * encroach outside the resources which the user supplied. */ -static int nonstatic_adjust_io_region(struct resource *res, unsigned long r_start, - unsigned long r_end, struct pcmcia_socket *s) +static int __nonstatic_adjust_io_region(struct pcmcia_socket *s, + unsigned long r_start, + unsigned long r_end) { struct resource_map *m; struct socket_data *s_data = s->resource_data; int ret = -ENOMEM; - mutex_lock(&rsrc_mutex); for (m = s_data->io_db.next; m != &s_data->io_db; m = m->next) { unsigned long start = m->base; unsigned long end = m->base + m->num - 1; @@ -608,10 +665,8 @@ static int nonstatic_adjust_io_region(struct resource *res, unsigned long r_star if (start > r_start || r_end > end) continue; - ret = adjust_resource(res, r_start, r_end - r_start + 1); - break; + ret = 0; } - mutex_unlock(&rsrc_mutex); return ret; } @@ -629,23 +684,21 @@ static int nonstatic_adjust_io_region(struct resource *res, unsigned long r_star ======================================================================*/ -static struct resource *nonstatic_find_io_region(unsigned long base, int num, - unsigned long align, struct pcmcia_socket *s) +static struct resource *__nonstatic_find_io_region(struct pcmcia_socket *s, + unsigned long base, int num, + unsigned long align) { - struct resource *res = make_resource(0, num, IORESOURCE_IO, dev_name(&s->dev)); + struct resource *res = pcmcia_make_resource(0, num, IORESOURCE_IO, + dev_name(&s->dev)); struct socket_data *s_data = s->resource_data; struct pcmcia_align_data data; unsigned long min = base; int ret; - if (align == 0) - align = 0x10000; - data.mask = align - 1; data.offset = base & data.mask; data.map = &s_data->io_db; - mutex_lock(&rsrc_mutex); #ifdef CONFIG_PCI if (s->cb_dev) { ret = pci_bus_alloc_resource(s->cb_dev->bus, res, num, 1, @@ -654,7 +707,6 @@ static struct resource *nonstatic_find_io_region(unsigned long base, int num, #endif ret = allocate_resource(&ioport_resource, res, num, min, ~0UL, 1, pcmcia_align, &data); - mutex_unlock(&rsrc_mutex); if (ret != 0) { kfree(res); @@ -663,22 +715,112 @@ static struct resource *nonstatic_find_io_region(unsigned long base, int num, return res; } +static int nonstatic_find_io(struct pcmcia_socket *s, unsigned int attr, + unsigned int *base, unsigned int num, + unsigned int align, struct resource **parent) +{ + int i, ret = 0; + + /* Check for an already-allocated window that must conflict with + * what was asked for. It is a hack because it does not catch all + * potential conflicts, just the most obvious ones. + */ + for (i = 0; i < MAX_IO_WIN; i++) { + if (!s->io[i].res) + continue; + + if (!*base) + continue; + + if ((s->io[i].res->start & (align-1)) == *base) + return -EBUSY; + } + + for (i = 0; i < MAX_IO_WIN; i++) { + struct resource *res = s->io[i].res; + unsigned int try; + + if (res && (res->flags & IORESOURCE_BITS) != + (attr & IORESOURCE_BITS)) + continue; + + if (!res) { + if (align == 0) + align = 0x10000; + + res = s->io[i].res = __nonstatic_find_io_region(s, + *base, num, + align); + if (!res) + return -EINVAL; + + *base = res->start; + s->io[i].res->flags = + ((res->flags & ~IORESOURCE_BITS) | + (attr & IORESOURCE_BITS)); + s->io[i].InUse = num; + *parent = res; + return 0; + } + + /* Try to extend top of window */ + try = res->end + 1; + if ((*base == 0) || (*base == try)) { + ret = __nonstatic_adjust_io_region(s, res->start, + res->end + num); + if (!ret) { + ret = adjust_resource(s->io[i].res, res->start, + resource_size(res) + num); + if (ret) + continue; + *base = try; + s->io[i].InUse += num; + *parent = res; + return 0; + } + } + + /* Try to extend bottom of window */ + try = res->start - num; + if ((*base == 0) || (*base == try)) { + ret = __nonstatic_adjust_io_region(s, + res->start - num, + res->end); + if (!ret) { + ret = adjust_resource(s->io[i].res, + res->start - num, + resource_size(res) + num); + if (ret) + continue; + *base = try; + s->io[i].InUse += num; + *parent = res; + return 0; + } + } + } + + return -EINVAL; +} + + static struct resource *nonstatic_find_mem_region(u_long base, u_long num, u_long align, int low, struct pcmcia_socket *s) { - struct resource *res = make_resource(0, num, IORESOURCE_MEM, dev_name(&s->dev)); + struct resource *res = pcmcia_make_resource(0, num, IORESOURCE_MEM, + dev_name(&s->dev)); struct socket_data *s_data = s->resource_data; struct pcmcia_align_data data; unsigned long min, max; - int ret, i; + int ret, i, j; low = low || !(s->features & SS_CAP_PAGE_REGS); data.mask = align - 1; data.offset = base & data.mask; - data.map = &s_data->mem_db; for (i = 0; i < 2; i++) { + data.map = &s_data->mem_db_valid; if (low) { max = 0x100000UL; min = base < max ? base : 0; @@ -687,17 +829,23 @@ static struct resource *nonstatic_find_mem_region(u_long base, u_long num, min = 0x100000UL + base; } - mutex_lock(&rsrc_mutex); + for (j = 0; j < 2; j++) { #ifdef CONFIG_PCI - if (s->cb_dev) { - ret = pci_bus_alloc_resource(s->cb_dev->bus, res, num, - 1, min, 0, - pcmcia_align, &data); - } else + if (s->cb_dev) { + ret = pci_bus_alloc_resource(s->cb_dev->bus, + res, num, 1, min, 0, + pcmcia_align, &data); + } else #endif - ret = allocate_resource(&iomem_resource, res, num, min, - max, 1, pcmcia_align, &data); - mutex_unlock(&rsrc_mutex); + { + ret = allocate_resource(&iomem_resource, + res, num, min, max, 1, + pcmcia_align, &data); + } + if (ret == 0) + break; + data.map = &s_data->mem_db; + } if (ret == 0 || low) break; low = 1; @@ -720,25 +868,18 @@ static int adjust_memory(struct pcmcia_socket *s, unsigned int action, unsigned if (end < start) return -EINVAL; - mutex_lock(&rsrc_mutex); switch (action) { case ADD_MANAGED_RESOURCE: ret = add_interval(&data->mem_db, start, size); + if (!ret) + do_mem_probe(s, start, size, NULL, NULL); break; case REMOVE_MANAGED_RESOURCE: ret = sub_interval(&data->mem_db, start, size); - if (!ret) { - struct pcmcia_socket *socket; - down_read(&pcmcia_socket_list_rwsem); - list_for_each_entry(socket, &pcmcia_socket_list, socket_list) - release_cis_mem(socket); - up_read(&pcmcia_socket_list_rwsem); - } break; default: ret = -EINVAL; } - mutex_unlock(&rsrc_mutex); return ret; } @@ -747,16 +888,24 @@ static int adjust_memory(struct pcmcia_socket *s, unsigned int action, unsigned static int adjust_io(struct pcmcia_socket *s, unsigned int action, unsigned long start, unsigned long end) { struct socket_data *data = s->resource_data; - unsigned long size = end - start + 1; + unsigned long size; int ret = 0; +#if defined(CONFIG_X86) + /* on x86, avoid anything < 0x100 for it is often used for + * legacy platform devices */ + if (start < 0x100) + start = 0x100; +#endif + + size = end - start + 1; + if (end < start) return -EINVAL; if (end > IO_SPACE_LIMIT) return -EINVAL; - mutex_lock(&rsrc_mutex); switch (action) { case ADD_MANAGED_RESOURCE: if (add_interval(&data->io_db, start, size) != 0) { @@ -775,7 +924,6 @@ static int adjust_io(struct pcmcia_socket *s, unsigned int action, unsigned long ret = -EINVAL; break; } - mutex_unlock(&rsrc_mutex); return ret; } @@ -791,42 +939,60 @@ static int nonstatic_autoadd_resources(struct pcmcia_socket *s) return -ENODEV; #if defined(CONFIG_X86) - /* If this is the root bus, the risk of hitting - * some strange system devices which aren't protected - * by either ACPI resource tables or properly requested - * resources is too big. Therefore, don't do auto-adding - * of resources at the moment. + /* If this is the root bus, the risk of hitting some strange + * system devices is too high: If a driver isn't loaded, the + * resources are not claimed; even if a driver is loaded, it + * may not request all resources or even the wrong one. We + * can neither trust the rest of the kernel nor ACPI/PNP and + * CRS parsing to get it right. Therefore, use several + * safeguards: + * + * - Do not auto-add resources if the CardBus bridge is on + * the PCI root bus + * + * - Avoid any I/O ports < 0x100. + * + * - On PCI-PCI bridges, only use resources which are set up + * exclusively for the secondary PCI bus: the risk of hitting + * system devices is quite low, as they usually aren't + * connected to the secondary PCI bus. */ if (s->cb_dev->bus->number == 0) return -EINVAL; -#endif - for (i = 0; i < PCI_BUS_NUM_RESOURCES; i++) { + for (i = 0; i < PCI_BRIDGE_RESOURCE_NUM; i++) { res = s->cb_dev->bus->resource[i]; +#else + pci_bus_for_each_resource(s->cb_dev->bus, res, i) { +#endif if (!res) continue; if (res->flags & IORESOURCE_IO) { + /* safeguard against the root resource, where the + * risk of hitting any other device would be too + * high */ if (res == &ioport_resource) continue; + dev_printk(KERN_INFO, &s->cb_dev->dev, - "pcmcia: parent PCI bridge I/O " - "window: 0x%llx - 0x%llx\n", - (unsigned long long)res->start, - (unsigned long long)res->end); + "pcmcia: parent PCI bridge window: %pR\n", + res); if (!adjust_io(s, ADD_MANAGED_RESOURCE, res->start, res->end)) done |= IORESOURCE_IO; } if (res->flags & IORESOURCE_MEM) { + /* safeguard against the root resource, where the + * risk of hitting any other device would be too + * high */ if (res == &iomem_resource) continue; + dev_printk(KERN_INFO, &s->cb_dev->dev, - "pcmcia: parent PCI bridge Memory " - "window: 0x%llx - 0x%llx\n", - (unsigned long long)res->start, - (unsigned long long)res->end); + "pcmcia: parent PCI bridge window: %pR\n", + res); if (!adjust_memory(s, ADD_MANAGED_RESOURCE, res->start, res->end)) done |= IORESOURCE_MEM; } @@ -859,6 +1025,7 @@ static int nonstatic_init(struct pcmcia_socket *s) return -ENOMEM; data->mem_db.next = &data->mem_db; + data->mem_db_valid.next = &data->mem_db_valid; data->io_db.next = &data->io_db; s->resource_data = (void *) data; @@ -873,7 +1040,10 @@ static void nonstatic_release_resource_db(struct pcmcia_socket *s) struct socket_data *data = s->resource_data; struct resource_map *p, *q; - mutex_lock(&rsrc_mutex); + for (p = data->mem_db_valid.next; p != &data->mem_db_valid; p = q) { + q = p->next; + kfree(p); + } for (p = data->mem_db.next; p != &data->mem_db; p = q) { q = p->next; kfree(p); @@ -882,17 +1052,13 @@ static void nonstatic_release_resource_db(struct pcmcia_socket *s) q = p->next; kfree(p); } - mutex_unlock(&rsrc_mutex); } struct pccard_resource_ops pccard_nonstatic_ops = { .validate_mem = pcmcia_nonstatic_validate_mem, - .adjust_io_region = nonstatic_adjust_io_region, - .find_io = nonstatic_find_io_region, + .find_io = nonstatic_find_io, .find_mem = nonstatic_find_mem_region, - .add_io = adjust_io, - .add_mem = adjust_memory, .init = nonstatic_init, .exit = nonstatic_release_resource_db, }; @@ -909,7 +1075,7 @@ static ssize_t show_io_db(struct device *dev, struct resource_map *p; ssize_t ret = 0; - mutex_lock(&rsrc_mutex); + mutex_lock(&s->ops_mutex); data = s->resource_data; for (p = data->io_db.next; p != &data->io_db; p = p->next) { @@ -921,7 +1087,7 @@ static ssize_t show_io_db(struct device *dev, ((unsigned long) p->base + p->num - 1)); } - mutex_unlock(&rsrc_mutex); + mutex_unlock(&s->ops_mutex); return ret; } @@ -949,9 +1115,9 @@ static ssize_t store_io_db(struct device *dev, if (end_addr < start_addr) return -EINVAL; + mutex_lock(&s->ops_mutex); ret = adjust_io(s, add, start_addr, end_addr); - if (!ret) - s->resource_setup_new = 1; + mutex_unlock(&s->ops_mutex); return ret ? ret : count; } @@ -965,9 +1131,19 @@ static ssize_t show_mem_db(struct device *dev, struct resource_map *p; ssize_t ret = 0; - mutex_lock(&rsrc_mutex); + mutex_lock(&s->ops_mutex); data = s->resource_data; + for (p = data->mem_db_valid.next; p != &data->mem_db_valid; + p = p->next) { + if (ret > (PAGE_SIZE - 10)) + continue; + ret += snprintf(&buf[ret], (PAGE_SIZE - ret - 1), + "0x%08lx - 0x%08lx\n", + ((unsigned long) p->base), + ((unsigned long) p->base + p->num - 1)); + } + for (p = data->mem_db.next; p != &data->mem_db; p = p->next) { if (ret > (PAGE_SIZE - 10)) continue; @@ -977,7 +1153,7 @@ static ssize_t show_mem_db(struct device *dev, ((unsigned long) p->base + p->num - 1)); } - mutex_unlock(&rsrc_mutex); + mutex_unlock(&s->ops_mutex); return ret; } @@ -1005,9 +1181,9 @@ static ssize_t store_mem_db(struct device *dev, if (end_addr < start_addr) return -EINVAL; + mutex_lock(&s->ops_mutex); ret = adjust_memory(s, add, start_addr, end_addr); - if (!ret) - s->resource_setup_new = 1; + mutex_unlock(&s->ops_mutex); return ret ? ret : count; } @@ -1023,7 +1199,7 @@ static const struct attribute_group rsrc_attributes = { .attrs = pccard_rsrc_attributes, }; -static int __devinit pccard_sysfs_add_rsrc(struct device *dev, +static int pccard_sysfs_add_rsrc(struct device *dev, struct class_interface *class_intf) { struct pcmcia_socket *s = dev_get_drvdata(dev); @@ -1033,7 +1209,7 @@ static int __devinit pccard_sysfs_add_rsrc(struct device *dev, return sysfs_create_group(&dev->kobj, &rsrc_attributes); } -static void __devexit pccard_sysfs_remove_rsrc(struct device *dev, +static void pccard_sysfs_remove_rsrc(struct device *dev, struct class_interface *class_intf) { struct pcmcia_socket *s = dev_get_drvdata(dev); @@ -1046,7 +1222,7 @@ static void __devexit pccard_sysfs_remove_rsrc(struct device *dev, static struct class_interface pccard_rsrc_interface __refdata = { .class = &pcmcia_socket_class, .add_dev = &pccard_sysfs_add_rsrc, - .remove_dev = __devexit_p(&pccard_sysfs_remove_rsrc), + .remove_dev = &pccard_sysfs_remove_rsrc, }; static int __init nonstatic_sysfs_init(void) diff --git a/drivers/pcmcia/sa1100_assabet.c b/drivers/pcmcia/sa1100_assabet.c index fd013a1ef47..44cfc4416e5 100644 --- a/drivers/pcmcia/sa1100_assabet.c +++ b/drivers/pcmcia/sa1100_assabet.c @@ -10,46 +10,30 @@ #include <linux/interrupt.h> #include <linux/device.h> #include <linux/init.h> +#include <linux/gpio.h> -#include <mach/hardware.h> #include <asm/mach-types.h> -#include <asm/irq.h> -#include <asm/signal.h> #include <mach/assabet.h> #include "sa1100_generic.h" -static struct pcmcia_irqs irqs[] = { - { 1, ASSABET_IRQ_GPIO_CF_CD, "CF CD" }, - { 1, ASSABET_IRQ_GPIO_CF_BVD2, "CF BVD2" }, - { 1, ASSABET_IRQ_GPIO_CF_BVD1, "CF BVD1" }, -}; - static int assabet_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { - skt->socket.pci_irq = ASSABET_IRQ_GPIO_CF_IRQ; - - return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs)); -} + skt->stat[SOC_STAT_CD].gpio = ASSABET_GPIO_CF_CD; + skt->stat[SOC_STAT_CD].name = "CF CD"; + skt->stat[SOC_STAT_BVD1].gpio = ASSABET_GPIO_CF_BVD1; + skt->stat[SOC_STAT_BVD1].name = "CF BVD1"; + skt->stat[SOC_STAT_BVD2].gpio = ASSABET_GPIO_CF_BVD2; + skt->stat[SOC_STAT_BVD2].name = "CF BVD2"; + skt->stat[SOC_STAT_RDY].gpio = ASSABET_GPIO_CF_IRQ; + skt->stat[SOC_STAT_RDY].name = "CF RDY"; -/* - * Release all resources. - */ -static void assabet_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) -{ - soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs)); + return 0; } static void assabet_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) { - unsigned long levels = GPLR; - - state->detect = (levels & ASSABET_GPIO_CF_CD) ? 0 : 1; - state->ready = (levels & ASSABET_GPIO_CF_IRQ) ? 1 : 0; - state->bvd1 = (levels & ASSABET_GPIO_CF_BVD1) ? 1 : 0; - state->bvd2 = (levels & ASSABET_GPIO_CF_BVD2) ? 1 : 0; - state->wrprot = 0; /* Not available on Assabet. */ state->vs_3v = 1; /* Can only apply 3.3V on Assabet. */ state->vs_Xv = 0; } @@ -78,38 +62,24 @@ assabet_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_stat return -1; } - /* Silently ignore Vpp, output enable, speaker enable. */ + /* Silently ignore Vpp, speaker enable. */ if (state->flags & SS_RESET) mask |= ASSABET_BCR_CF_RST; + if (!(state->flags & SS_OUTPUT_ENA)) + mask |= ASSABET_BCR_CF_BUS_OFF; - ASSABET_BCR_frob(ASSABET_BCR_CF_RST | ASSABET_BCR_CF_PWR, mask); + ASSABET_BCR_frob(ASSABET_BCR_CF_RST | ASSABET_BCR_CF_PWR | + ASSABET_BCR_CF_BUS_OFF, mask); return 0; } /* - * Enable card status IRQs on (re-)initialisation. This can - * be called at initialisation, power management event, or - * pcmcia event. - */ -static void assabet_pcmcia_socket_init(struct soc_pcmcia_socket *skt) -{ - /* - * Enable CF bus - */ - ASSABET_BCR_clear(ASSABET_BCR_CF_BUS_OFF); - - soc_pcmcia_enable_irqs(skt, irqs, ARRAY_SIZE(irqs)); -} - -/* * Disable card status IRQs on suspend. */ static void assabet_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) { - soc_pcmcia_disable_irqs(skt, irqs, ARRAY_SIZE(irqs)); - /* * Tristate the CF bus signals. Also assert CF * reset as per user guide page 4-11. @@ -119,14 +89,9 @@ static void assabet_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) static struct pcmcia_low_level assabet_pcmcia_ops = { .owner = THIS_MODULE, - .hw_init = assabet_pcmcia_hw_init, - .hw_shutdown = assabet_pcmcia_hw_shutdown, - .socket_state = assabet_pcmcia_socket_state, .configure_socket = assabet_pcmcia_configure_socket, - - .socket_init = assabet_pcmcia_socket_init, .socket_suspend = assabet_pcmcia_socket_suspend, }; diff --git a/drivers/pcmcia/sa1100_cerf.c b/drivers/pcmcia/sa1100_cerf.c index 9bf088b1727..b3774e5d039 100644 --- a/drivers/pcmcia/sa1100_cerf.c +++ b/drivers/pcmcia/sa1100_cerf.c @@ -10,6 +10,7 @@ #include <linux/device.h> #include <linux/init.h> #include <linux/delay.h> +#include <linux/gpio.h> #include <mach/hardware.h> #include <asm/mach-types.h> @@ -19,34 +20,34 @@ #define CERF_SOCKET 1 -static struct pcmcia_irqs irqs[] = { - { CERF_SOCKET, CERF_IRQ_GPIO_CF_CD, "CF_CD" }, - { CERF_SOCKET, CERF_IRQ_GPIO_CF_BVD2, "CF_BVD2" }, - { CERF_SOCKET, CERF_IRQ_GPIO_CF_BVD1, "CF_BVD1" } -}; - static int cerf_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { - skt->socket.pci_irq = CERF_IRQ_GPIO_CF_IRQ; + int ret; + + ret = gpio_request_one(CERF_GPIO_CF_RESET, GPIOF_OUT_INIT_LOW, "CF_RESET"); + if (ret) + return ret; + + skt->stat[SOC_STAT_CD].gpio = CERF_GPIO_CF_CD; + skt->stat[SOC_STAT_CD].name = "CF_CD"; + skt->stat[SOC_STAT_BVD1].gpio = CERF_GPIO_CF_BVD1; + skt->stat[SOC_STAT_BVD1].name = "CF_BVD1"; + skt->stat[SOC_STAT_BVD2].gpio = CERF_GPIO_CF_BVD2; + skt->stat[SOC_STAT_BVD2].name = "CF_BVD2"; + skt->stat[SOC_STAT_RDY].gpio = CERF_GPIO_CF_IRQ; + skt->stat[SOC_STAT_RDY].name = "CF_IRQ"; - return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs)); + return 0; } static void cerf_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) { - soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs)); + gpio_free(CERF_GPIO_CF_RESET); } static void cerf_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) { - unsigned long levels = GPLR; - - state->detect = (levels & CERF_GPIO_CF_CD) ?0:1; - state->ready = (levels & CERF_GPIO_CF_IRQ) ?1:0; - state->bvd1 = (levels & CERF_GPIO_CF_BVD1)?1:0; - state->bvd2 = (levels & CERF_GPIO_CF_BVD2)?1:0; - state->wrprot = 0; state->vs_3v = 1; state->vs_Xv = 0; } @@ -67,37 +68,20 @@ cerf_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, return -1; } - if (state->flags & SS_RESET) { - GPSR = CERF_GPIO_CF_RESET; - } else { - GPCR = CERF_GPIO_CF_RESET; - } + gpio_set_value(CERF_GPIO_CF_RESET, !!(state->flags & SS_RESET)); return 0; } -static void cerf_pcmcia_socket_init(struct soc_pcmcia_socket *skt) -{ - soc_pcmcia_enable_irqs(skt, irqs, ARRAY_SIZE(irqs)); -} - -static void cerf_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) -{ - soc_pcmcia_disable_irqs(skt, irqs, ARRAY_SIZE(irqs)); -} - static struct pcmcia_low_level cerf_pcmcia_ops = { .owner = THIS_MODULE, .hw_init = cerf_pcmcia_hw_init, .hw_shutdown = cerf_pcmcia_hw_shutdown, .socket_state = cerf_pcmcia_socket_state, .configure_socket = cerf_pcmcia_configure_socket, - - .socket_init = cerf_pcmcia_socket_init, - .socket_suspend = cerf_pcmcia_socket_suspend, }; -int __init pcmcia_cerf_init(struct device *dev) +int pcmcia_cerf_init(struct device *dev) { int ret = -ENODEV; diff --git a/drivers/pcmcia/sa1100_generic.c b/drivers/pcmcia/sa1100_generic.c index 8db86b90c20..ff8a027a4af 100644 --- a/drivers/pcmcia/sa1100_generic.c +++ b/drivers/pcmcia/sa1100_generic.c @@ -32,10 +32,9 @@ #include <linux/module.h> #include <linux/init.h> +#include <linux/slab.h> #include <linux/platform_device.h> -#include <pcmcia/cs_types.h> -#include <pcmcia/cs.h> #include <pcmcia/ss.h> #include <asm/hardware/scoop.h> @@ -54,6 +53,9 @@ static int (*sa11x0_pcmcia_hw_init[])(struct device *dev) = { #if defined(CONFIG_SA1100_H3100) || defined(CONFIG_SA1100_H3600) pcmcia_h3600_init, #endif +#ifdef CONFIG_SA1100_NANOENGINE + pcmcia_nanoengine_init, +#endif #ifdef CONFIG_SA1100_SHANNON pcmcia_shannon_init, #endif @@ -95,17 +97,6 @@ static int sa11x0_drv_pcmcia_remove(struct platform_device *dev) return 0; } -static int sa11x0_drv_pcmcia_suspend(struct platform_device *dev, - pm_message_t state) -{ - return pcmcia_socket_dev_suspend(&dev->dev); -} - -static int sa11x0_drv_pcmcia_resume(struct platform_device *dev) -{ - return pcmcia_socket_dev_resume(&dev->dev); -} - static struct platform_driver sa11x0_pcmcia_driver = { .driver = { .name = "sa11x0-pcmcia", @@ -113,8 +104,6 @@ static struct platform_driver sa11x0_pcmcia_driver = { }, .probe = sa11x0_drv_pcmcia_probe, .remove = sa11x0_drv_pcmcia_remove, - .suspend = sa11x0_drv_pcmcia_suspend, - .resume = sa11x0_drv_pcmcia_resume, }; /* sa11x0_pcmcia_init() diff --git a/drivers/pcmcia/sa1100_generic.h b/drivers/pcmcia/sa1100_generic.h index 794f96a35bb..adb08dbc723 100644 --- a/drivers/pcmcia/sa1100_generic.h +++ b/drivers/pcmcia/sa1100_generic.h @@ -13,6 +13,7 @@ extern int pcmcia_freebird_init(struct device *); extern int pcmcia_gcplus_init(struct device *); extern int pcmcia_graphicsmaster_init(struct device *); extern int pcmcia_h3600_init(struct device *); +extern int pcmcia_nanoengine_init(struct device *); extern int pcmcia_pangolin_init(struct device *); extern int pcmcia_pfs168_init(struct device *); extern int pcmcia_shannon_init(struct device *); diff --git a/drivers/pcmcia/sa1100_h3600.c b/drivers/pcmcia/sa1100_h3600.c index 56329ad575a..431d8b07cba 100644 --- a/drivers/pcmcia/sa1100_h3600.c +++ b/drivers/pcmcia/sa1100_h3600.c @@ -19,36 +19,20 @@ #include "sa1100_generic.h" -static struct pcmcia_irqs irqs[] = { - { .sock = 0, .str = "PCMCIA CD0" }, /* .irq will be filled later */ - { .sock = 1, .str = "PCMCIA CD1" } -}; - static int h3600_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { int err; switch (skt->nr) { case 0: - err = gpio_request(H3XXX_GPIO_PCMCIA_IRQ0, "PCMCIA IRQ0"); - if (err) - goto err00; - err = gpio_direction_input(H3XXX_GPIO_PCMCIA_IRQ0); - if (err) - goto err01; - skt->socket.pci_irq = gpio_to_irq(H3XXX_GPIO_PCMCIA_IRQ0); - - err = gpio_request(H3XXX_GPIO_PCMCIA_CD0, "PCMCIA CD0"); - if (err) - goto err01; - err = gpio_direction_input(H3XXX_GPIO_PCMCIA_CD0); - if (err) - goto err02; - irqs[0].irq = gpio_to_irq(H3XXX_GPIO_PCMCIA_CD0); + skt->stat[SOC_STAT_CD].gpio = H3XXX_GPIO_PCMCIA_CD0; + skt->stat[SOC_STAT_CD].name = "PCMCIA CD0"; + skt->stat[SOC_STAT_RDY].gpio = H3XXX_GPIO_PCMCIA_IRQ0; + skt->stat[SOC_STAT_RDY].name = "PCMCIA IRQ0"; err = gpio_request(H3XXX_EGPIO_OPT_NVRAM_ON, "OPT NVRAM ON"); if (err) - goto err02; + goto err01; err = gpio_direction_output(H3XXX_EGPIO_OPT_NVRAM_ON, 0); if (err) goto err03; @@ -70,30 +54,12 @@ static int h3600_pcmcia_hw_init(struct soc_pcmcia_socket *skt) err = gpio_direction_output(H3XXX_EGPIO_CARD_RESET, 0); if (err) goto err06; - err = soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs)); - if (err) - goto err06; break; case 1: - err = gpio_request(H3XXX_GPIO_PCMCIA_IRQ1, "PCMCIA IRQ1"); - if (err) - goto err10; - err = gpio_direction_input(H3XXX_GPIO_PCMCIA_IRQ1); - if (err) - goto err11; - skt->socket.pci_irq = gpio_to_irq(H3XXX_GPIO_PCMCIA_IRQ1); - - err = gpio_request(H3XXX_GPIO_PCMCIA_CD1, "PCMCIA CD1"); - if (err) - goto err11; - err = gpio_direction_input(H3XXX_GPIO_PCMCIA_CD1); - if (err) - goto err12; - irqs[1].irq = gpio_to_irq(H3XXX_GPIO_PCMCIA_CD1); - - err = soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs)); - if (err) - goto err12; + skt->stat[SOC_STAT_CD].gpio = H3XXX_GPIO_PCMCIA_CD1; + skt->stat[SOC_STAT_CD].name = "PCMCIA CD1"; + skt->stat[SOC_STAT_RDY].gpio = H3XXX_GPIO_PCMCIA_IRQ1; + skt->stat[SOC_STAT_RDY].name = "PCMCIA IRQ1"; break; } return 0; @@ -102,19 +68,12 @@ err06: gpio_free(H3XXX_EGPIO_CARD_RESET); err05: gpio_free(H3XXX_EGPIO_OPT_RESET); err04: gpio_free(H3XXX_EGPIO_OPT_ON); err03: gpio_free(H3XXX_EGPIO_OPT_NVRAM_ON); -err02: gpio_free(H3XXX_GPIO_PCMCIA_CD0); err01: gpio_free(H3XXX_GPIO_PCMCIA_IRQ0); -err00: return err; - -err12: gpio_free(H3XXX_GPIO_PCMCIA_CD0); -err11: gpio_free(H3XXX_GPIO_PCMCIA_IRQ0); -err10: return err; + return err; } static void h3600_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) { - soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs)); - switch (skt->nr) { case 0: /* Disable CF bus: */ @@ -126,12 +85,8 @@ static void h3600_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) gpio_free(H3XXX_EGPIO_OPT_RESET); gpio_free(H3XXX_EGPIO_OPT_ON); gpio_free(H3XXX_EGPIO_OPT_NVRAM_ON); - gpio_free(H3XXX_GPIO_PCMCIA_CD0); - gpio_free(H3XXX_GPIO_PCMCIA_IRQ0); break; case 1: - gpio_free(H3XXX_GPIO_PCMCIA_CD1); - gpio_free(H3XXX_GPIO_PCMCIA_IRQ1); break; } } @@ -139,27 +94,10 @@ static void h3600_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) static void h3600_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) { - switch (skt->nr) { - case 0: - state->detect = !gpio_get_value(H3XXX_GPIO_PCMCIA_CD0); - state->ready = !!gpio_get_value(H3XXX_GPIO_PCMCIA_IRQ0); - state->bvd1 = 0; - state->bvd2 = 0; - state->wrprot = 0; /* Not available on H3600. */ - state->vs_3v = 0; - state->vs_Xv = 0; - break; - - case 1: - state->detect = !gpio_get_value(H3XXX_GPIO_PCMCIA_CD1); - state->ready = !!gpio_get_value(H3XXX_GPIO_PCMCIA_IRQ1); - state->bvd1 = 0; - state->bvd2 = 0; - state->wrprot = 0; /* Not available on H3600. */ - state->vs_3v = 0; - state->vs_Xv = 0; - break; - } + state->bvd1 = 0; + state->bvd2 = 0; + state->vs_3v = 0; + state->vs_Xv = 0; } static int @@ -186,14 +124,10 @@ static void h3600_pcmcia_socket_init(struct soc_pcmcia_socket *skt) gpio_set_value(H3XXX_EGPIO_OPT_RESET, 0); msleep(10); - - soc_pcmcia_enable_irqs(skt, irqs, ARRAY_SIZE(irqs)); } static void h3600_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) { - soc_pcmcia_disable_irqs(skt, irqs, ARRAY_SIZE(irqs)); - /* * FIXME: This doesn't fit well. We don't have the mechanism in * the generic PCMCIA layer to deal with the idea of two sockets @@ -219,7 +153,7 @@ struct pcmcia_low_level h3600_pcmcia_ops = { .socket_suspend = h3600_pcmcia_socket_suspend, }; -int __init pcmcia_h3600_init(struct device *dev) +int pcmcia_h3600_init(struct device *dev) { int ret = -ENODEV; diff --git a/drivers/pcmcia/sa1100_nanoengine.c b/drivers/pcmcia/sa1100_nanoengine.c new file mode 100644 index 00000000000..35c30ff41e8 --- /dev/null +++ b/drivers/pcmcia/sa1100_nanoengine.c @@ -0,0 +1,133 @@ +/* + * drivers/pcmcia/sa1100_nanoengine.c + * + * PCMCIA implementation routines for BSI nanoEngine. + * + * In order to have a fully functional pcmcia subsystem in a BSE nanoEngine + * board you should carefully read this: + * http://cambuca.ldhs.cetuc.puc-rio.br/nanoengine/ + * + * Copyright (C) 2010 Marcelo Roberto Jimenez <mroberto@cpti.cetuc.puc-rio.br> + * + * Based on original work for kernel 2.4 by + * Miguel Freitas <miguel@cpti.cetuc.puc-rio.br> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ +#include <linux/device.h> +#include <linux/errno.h> +#include <linux/gpio.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/signal.h> + +#include <asm/mach-types.h> +#include <asm/irq.h> + +#include <mach/hardware.h> +#include <mach/nanoengine.h> + +#include "sa1100_generic.h" + +struct nanoengine_pins { + unsigned output_pins; + unsigned clear_outputs; + int gpio_rst; + int gpio_cd; + int gpio_rdy; +}; + +static struct nanoengine_pins nano_skts[] = { + { + .gpio_rst = GPIO_PC_RESET0, + .gpio_cd = GPIO_PC_CD0, + .gpio_rdy = GPIO_PC_READY0, + }, { + .gpio_rst = GPIO_PC_RESET1, + .gpio_cd = GPIO_PC_CD1, + .gpio_rdy = GPIO_PC_READY1, + } +}; + +unsigned num_nano_pcmcia_sockets = ARRAY_SIZE(nano_skts); + +static int nanoengine_pcmcia_hw_init(struct soc_pcmcia_socket *skt) +{ + unsigned i = skt->nr; + int ret; + + if (i >= num_nano_pcmcia_sockets) + return -ENXIO; + + ret = gpio_request_one(nano_skts[i].gpio_rst, GPIOF_OUT_INIT_LOW, + i ? "PC RST1" : "PC RST0"); + if (ret) + return ret; + + skt->stat[SOC_STAT_CD].gpio = nano_skts[i].gpio_cd; + skt->stat[SOC_STAT_CD].name = i ? "PC CD1" : "PC CD0"; + skt->stat[SOC_STAT_RDY].gpio = nano_skts[i].gpio_rdy; + skt->stat[SOC_STAT_RDY].name = i ? "PC RDY1" : "PC RDY0"; + + return 0; +} + +static void nanoengine_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) +{ + gpio_free(nano_skts[skt->nr].gpio_rst); +} + +static int nanoengine_pcmcia_configure_socket( + struct soc_pcmcia_socket *skt, const socket_state_t *state) +{ + unsigned i = skt->nr; + + if (i >= num_nano_pcmcia_sockets) + return -ENXIO; + + gpio_set_value(nano_skts[skt->nr].gpio_rst, !!(state->flags & SS_RESET)); + + return 0; +} + +static void nanoengine_pcmcia_socket_state( + struct soc_pcmcia_socket *skt, struct pcmcia_state *state) +{ + unsigned i = skt->nr; + + if (i >= num_nano_pcmcia_sockets) + return; + + state->bvd1 = 1; + state->bvd2 = 1; + state->vs_3v = 1; /* Can only apply 3.3V */ + state->vs_Xv = 0; +} + +static struct pcmcia_low_level nanoengine_pcmcia_ops = { + .owner = THIS_MODULE, + + .hw_init = nanoengine_pcmcia_hw_init, + .hw_shutdown = nanoengine_pcmcia_hw_shutdown, + + .configure_socket = nanoengine_pcmcia_configure_socket, + .socket_state = nanoengine_pcmcia_socket_state, +}; + +int pcmcia_nanoengine_init(struct device *dev) +{ + int ret = -ENODEV; + + if (machine_is_nanoengine()) + ret = sa11xx_drv_pcmcia_probe( + dev, &nanoengine_pcmcia_ops, 0, 2); + + return ret; +} + diff --git a/drivers/pcmcia/sa1100_shannon.c b/drivers/pcmcia/sa1100_shannon.c index c4d51867a05..b07a2dc3296 100644 --- a/drivers/pcmcia/sa1100_shannon.c +++ b/drivers/pcmcia/sa1100_shannon.c @@ -8,6 +8,7 @@ #include <linux/kernel.h> #include <linux/device.h> #include <linux/init.h> +#include <linux/io.h> #include <mach/hardware.h> #include <asm/mach-types.h> @@ -15,40 +16,35 @@ #include <asm/irq.h> #include "sa1100_generic.h" -static struct pcmcia_irqs irqs[] = { - { 0, SHANNON_IRQ_GPIO_EJECT_0, "PCMCIA_CD_0" }, - { 1, SHANNON_IRQ_GPIO_EJECT_1, "PCMCIA_CD_1" }, -}; - static int shannon_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { /* All those are inputs */ - GPDR &= ~(SHANNON_GPIO_EJECT_0 | SHANNON_GPIO_EJECT_1 | - SHANNON_GPIO_RDY_0 | SHANNON_GPIO_RDY_1); - GAFR &= ~(SHANNON_GPIO_EJECT_0 | SHANNON_GPIO_EJECT_1 | - SHANNON_GPIO_RDY_0 | SHANNON_GPIO_RDY_1); - - skt->socket.pci_irq = skt->nr ? SHANNON_IRQ_GPIO_RDY_1 : SHANNON_IRQ_GPIO_RDY_0; - - return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs)); -} + GAFR &= ~(GPIO_GPIO(SHANNON_GPIO_EJECT_0) | + GPIO_GPIO(SHANNON_GPIO_EJECT_1) | + GPIO_GPIO(SHANNON_GPIO_RDY_0) | + GPIO_GPIO(SHANNON_GPIO_RDY_1)); + + if (skt->nr == 0) { + skt->stat[SOC_STAT_CD].gpio = SHANNON_GPIO_EJECT_0; + skt->stat[SOC_STAT_CD].name = "PCMCIA_CD_0"; + skt->stat[SOC_STAT_RDY].gpio = SHANNON_GPIO_RDY_0; + skt->stat[SOC_STAT_RDY].name = "PCMCIA_RDY_0"; + } else { + skt->stat[SOC_STAT_CD].gpio = SHANNON_GPIO_EJECT_1; + skt->stat[SOC_STAT_CD].name = "PCMCIA_CD_1"; + skt->stat[SOC_STAT_RDY].gpio = SHANNON_GPIO_RDY_1; + skt->stat[SOC_STAT_RDY].name = "PCMCIA_RDY_1"; + } -static void shannon_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) -{ - soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs)); + return 0; } static void shannon_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) { - unsigned long levels = GPLR; - switch (skt->nr) { case 0: - state->detect = (levels & SHANNON_GPIO_EJECT_0) ? 0 : 1; - state->ready = (levels & SHANNON_GPIO_RDY_0) ? 1 : 0; - state->wrprot = 0; /* Not available on Shannon. */ state->bvd1 = 1; state->bvd2 = 1; state->vs_3v = 1; /* FIXME Can only apply 3.3V on Shannon. */ @@ -56,9 +52,6 @@ shannon_pcmcia_socket_state(struct soc_pcmcia_socket *skt, break; case 1: - state->detect = (levels & SHANNON_GPIO_EJECT_1) ? 0 : 1; - state->ready = (levels & SHANNON_GPIO_RDY_1) ? 1 : 0; - state->wrprot = 0; /* Not available on Shannon. */ state->bvd1 = 1; state->bvd2 = 1; state->vs_3v = 1; /* FIXME Can only apply 3.3V on Shannon. */ @@ -92,28 +85,14 @@ shannon_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, return 0; } -static void shannon_pcmcia_socket_init(struct soc_pcmcia_socket *skt) -{ - soc_pcmcia_enable_irqs(skt, irqs, ARRAY_SIZE(irqs)); -} - -static void shannon_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) -{ - soc_pcmcia_disable_irqs(skt, irqs, ARRAY_SIZE(irqs)); -} - static struct pcmcia_low_level shannon_pcmcia_ops = { .owner = THIS_MODULE, .hw_init = shannon_pcmcia_hw_init, - .hw_shutdown = shannon_pcmcia_hw_shutdown, .socket_state = shannon_pcmcia_socket_state, .configure_socket = shannon_pcmcia_configure_socket, - - .socket_init = shannon_pcmcia_socket_init, - .socket_suspend = shannon_pcmcia_socket_suspend, }; -int __init pcmcia_shannon_init(struct device *dev) +int pcmcia_shannon_init(struct device *dev) { int ret = -ENODEV; diff --git a/drivers/pcmcia/sa1100_simpad.c b/drivers/pcmcia/sa1100_simpad.c index 05bd504e6f1..73fd37968b6 100644 --- a/drivers/pcmcia/sa1100_simpad.c +++ b/drivers/pcmcia/sa1100_simpad.c @@ -15,47 +15,40 @@ #include <mach/simpad.h> #include "sa1100_generic.h" -extern long get_cs3_shadow(void); -extern void set_cs3_bit(int value); -extern void clear_cs3_bit(int value); - -static struct pcmcia_irqs irqs[] = { - { 1, IRQ_GPIO_CF_CD, "CF_CD" }, -}; - static int simpad_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { - clear_cs3_bit(VCC_3V_EN|VCC_5V_EN|EN0|EN1); + simpad_clear_cs3_bit(VCC_3V_EN|VCC_5V_EN|EN0|EN1); - skt->socket.pci_irq = IRQ_GPIO_CF_IRQ; + skt->stat[SOC_STAT_CD].gpio = GPIO_CF_CD; + skt->stat[SOC_STAT_CD].name = "CF_CD"; + skt->stat[SOC_STAT_RDY].gpio = GPIO_CF_IRQ; + skt->stat[SOC_STAT_RDY].name = "CF_RDY"; - return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs)); + return 0; } static void simpad_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) { - soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs)); - /* Disable CF bus: */ - //set_cs3_bit(PCMCIA_BUFF_DIS); - clear_cs3_bit(PCMCIA_RESET); + /*simpad_set_cs3_bit(PCMCIA_BUFF_DIS);*/ + simpad_clear_cs3_bit(PCMCIA_RESET); } static void simpad_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) { - unsigned long levels = GPLR; - long cs3reg = get_cs3_shadow(); - - state->detect=((levels & GPIO_CF_CD)==0)?1:0; - state->ready=(levels & GPIO_CF_IRQ)?1:0; - state->bvd1=1; /* Not available on Simpad. */ - state->bvd2=1; /* Not available on Simpad. */ - state->wrprot=0; /* Not available on Simpad. */ - - if((cs3reg & 0x0c) == 0x0c) { + long cs3reg = simpad_get_cs3_ro(); + + /* the detect signal is inverted - fix that up here */ + state->detect = !state->detect; + + state->bvd1 = 1; /* Might be cs3reg & PCMCIA_BVD1 */ + state->bvd2 = 1; /* Might be cs3reg & PCMCIA_BVD2 */ + + if ((cs3reg & (PCMCIA_VS1|PCMCIA_VS2)) == + (PCMCIA_VS1|PCMCIA_VS2)) { state->vs_3v=0; state->vs_Xv=0; } else { @@ -75,23 +68,23 @@ simpad_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, /* Murphy: see table of MIC2562a-1 */ switch (state->Vcc) { case 0: - clear_cs3_bit(VCC_3V_EN|VCC_5V_EN|EN0|EN1); + simpad_clear_cs3_bit(VCC_3V_EN|VCC_5V_EN|EN0|EN1); break; case 33: - clear_cs3_bit(VCC_3V_EN|EN1); - set_cs3_bit(VCC_5V_EN|EN0); + simpad_clear_cs3_bit(VCC_3V_EN|EN1); + simpad_set_cs3_bit(VCC_5V_EN|EN0); break; case 50: - clear_cs3_bit(VCC_5V_EN|EN1); - set_cs3_bit(VCC_3V_EN|EN0); + simpad_clear_cs3_bit(VCC_5V_EN|EN1); + simpad_set_cs3_bit(VCC_3V_EN|EN0); break; default: printk(KERN_ERR "%s(): unrecognized Vcc %u\n", __func__, state->Vcc); - clear_cs3_bit(VCC_3V_EN|VCC_5V_EN|EN0|EN1); + simpad_clear_cs3_bit(VCC_3V_EN|VCC_5V_EN|EN0|EN1); local_irq_restore(flags); return -1; } @@ -102,15 +95,9 @@ simpad_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, return 0; } -static void simpad_pcmcia_socket_init(struct soc_pcmcia_socket *skt) -{ - soc_pcmcia_enable_irqs(skt, irqs, ARRAY_SIZE(irqs)); -} - static void simpad_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) { - soc_pcmcia_disable_irqs(skt, irqs, ARRAY_SIZE(irqs)); - set_cs3_bit(PCMCIA_RESET); + simpad_set_cs3_bit(PCMCIA_RESET); } static struct pcmcia_low_level simpad_pcmcia_ops = { @@ -119,11 +106,10 @@ static struct pcmcia_low_level simpad_pcmcia_ops = { .hw_shutdown = simpad_pcmcia_hw_shutdown, .socket_state = simpad_pcmcia_socket_state, .configure_socket = simpad_pcmcia_configure_socket, - .socket_init = simpad_pcmcia_socket_init, .socket_suspend = simpad_pcmcia_socket_suspend, }; -int __init pcmcia_simpad_init(struct device *dev) +int pcmcia_simpad_init(struct device *dev) { int ret = -ENODEV; diff --git a/drivers/pcmcia/sa1100_badge4.c b/drivers/pcmcia/sa1111_badge4.c index 1ce53f493be..4d206f4dd67 100644 --- a/drivers/pcmcia/sa1100_badge4.c +++ b/drivers/pcmcia/sa1111_badge4.c @@ -122,13 +122,12 @@ badge4_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_state local_irq_restore(flags); } - return 0; + return ret; } static struct pcmcia_low_level badge4_pcmcia_ops = { .owner = THIS_MODULE, .configure_socket = badge4_pcmcia_configure_socket, - .socket_init = sa1111_pcmcia_socket_init, .first = 0, .nr = 2, }; diff --git a/drivers/pcmcia/sa1111_generic.c b/drivers/pcmcia/sa1111_generic.c index de6bc333d29..65b02c3e14c 100644 --- a/drivers/pcmcia/sa1111_generic.c +++ b/drivers/pcmcia/sa1111_generic.c @@ -12,6 +12,7 @@ #include <linux/interrupt.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/slab.h> #include <pcmcia/ss.h> @@ -21,27 +22,51 @@ #include "sa1111_generic.h" -static struct pcmcia_irqs irqs[] = { - { 0, IRQ_S0_CD_VALID, "SA1111 PCMCIA card detect" }, - { 0, IRQ_S0_BVD1_STSCHG, "SA1111 PCMCIA BVD1" }, - { 1, IRQ_S1_CD_VALID, "SA1111 CF card detect" }, - { 1, IRQ_S1_BVD1_STSCHG, "SA1111 CF BVD1" }, -}; - -static int sa1111_pcmcia_hw_init(struct soc_pcmcia_socket *skt) -{ - return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs)); -} - -static void sa1111_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) -{ - soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs)); -} +/* + * These are offsets from the above base. + */ +#define PCCR 0x0000 +#define PCSSR 0x0004 +#define PCSR 0x0008 + +#define PCSR_S0_READY (1<<0) +#define PCSR_S1_READY (1<<1) +#define PCSR_S0_DETECT (1<<2) +#define PCSR_S1_DETECT (1<<3) +#define PCSR_S0_VS1 (1<<4) +#define PCSR_S0_VS2 (1<<5) +#define PCSR_S1_VS1 (1<<6) +#define PCSR_S1_VS2 (1<<7) +#define PCSR_S0_WP (1<<8) +#define PCSR_S1_WP (1<<9) +#define PCSR_S0_BVD1 (1<<10) +#define PCSR_S0_BVD2 (1<<11) +#define PCSR_S1_BVD1 (1<<12) +#define PCSR_S1_BVD2 (1<<13) + +#define PCCR_S0_RST (1<<0) +#define PCCR_S1_RST (1<<1) +#define PCCR_S0_FLT (1<<2) +#define PCCR_S1_FLT (1<<3) +#define PCCR_S0_PWAITEN (1<<4) +#define PCCR_S1_PWAITEN (1<<5) +#define PCCR_S0_PSE (1<<6) +#define PCCR_S1_PSE (1<<7) + +#define PCSSR_S0_SLEEP (1<<0) +#define PCSSR_S1_SLEEP (1<<1) + +#define IDX_IRQ_S0_READY_NINT (0) +#define IDX_IRQ_S0_CD_VALID (1) +#define IDX_IRQ_S0_BVD1_STSCHG (2) +#define IDX_IRQ_S1_READY_NINT (3) +#define IDX_IRQ_S1_CD_VALID (4) +#define IDX_IRQ_S1_BVD1_STSCHG (5) void sa1111_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) { struct sa1111_pcmcia_socket *s = to_skt(skt); - unsigned long status = sa1111_readl(s->dev->mapbase + SA1111_PCSR); + unsigned long status = sa1111_readl(s->dev->mapbase + PCSR); switch (skt->nr) { case 0: @@ -97,35 +122,22 @@ int sa1111_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_s pccr_set_mask |= PCCR_S0_FLT|PCCR_S1_FLT; local_irq_save(flags); - val = sa1111_readl(s->dev->mapbase + SA1111_PCCR); + val = sa1111_readl(s->dev->mapbase + PCCR); val &= ~pccr_skt_mask; val |= pccr_set_mask & pccr_skt_mask; - sa1111_writel(val, s->dev->mapbase + SA1111_PCCR); + sa1111_writel(val, s->dev->mapbase + PCCR); local_irq_restore(flags); return 0; } -void sa1111_pcmcia_socket_init(struct soc_pcmcia_socket *skt) -{ - soc_pcmcia_enable_irqs(skt, irqs, ARRAY_SIZE(irqs)); -} - -static void sa1111_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) -{ - soc_pcmcia_disable_irqs(skt, irqs, ARRAY_SIZE(irqs)); -} - int sa1111_pcmcia_add(struct sa1111_dev *dev, struct pcmcia_low_level *ops, int (*add)(struct soc_pcmcia_socket *)) { struct sa1111_pcmcia_socket *s; int i, ret = 0; - ops->hw_init = sa1111_pcmcia_hw_init; - ops->hw_shutdown = sa1111_pcmcia_hw_shutdown; ops->socket_state = sa1111_pcmcia_socket_state; - ops->socket_suspend = sa1111_pcmcia_socket_suspend; for (i = 0; i < ops->nr; i++) { s = kzalloc(sizeof(*s), GFP_KERNEL); @@ -133,11 +145,21 @@ int sa1111_pcmcia_add(struct sa1111_dev *dev, struct pcmcia_low_level *ops, return -ENOMEM; s->soc.nr = ops->first + i; - s->soc.ops = ops; - s->soc.socket.owner = ops->owner; - s->soc.socket.dev.parent = &dev->dev; - s->soc.socket.pci_irq = s->soc.nr ? IRQ_S1_READY_NINT : IRQ_S0_READY_NINT; + soc_pcmcia_init_one(&s->soc, ops, &dev->dev); s->dev = dev; + if (s->soc.nr) { + s->soc.socket.pci_irq = dev->irq[IDX_IRQ_S1_READY_NINT]; + s->soc.stat[SOC_STAT_CD].irq = dev->irq[IDX_IRQ_S1_CD_VALID]; + s->soc.stat[SOC_STAT_CD].name = "SA1111 CF card detect"; + s->soc.stat[SOC_STAT_BVD1].irq = dev->irq[IDX_IRQ_S1_BVD1_STSCHG]; + s->soc.stat[SOC_STAT_BVD1].name = "SA1111 CF BVD1"; + } else { + s->soc.socket.pci_irq = dev->irq[IDX_IRQ_S0_READY_NINT]; + s->soc.stat[SOC_STAT_CD].irq = dev->irq[IDX_IRQ_S0_CD_VALID]; + s->soc.stat[SOC_STAT_CD].name = "SA1111 PCMCIA card detect"; + s->soc.stat[SOC_STAT_BVD1].irq = dev->irq[IDX_IRQ_S0_BVD1_STSCHG]; + s->soc.stat[SOC_STAT_BVD1].name = "SA1111 PCMCIA BVD1"; + } ret = add(&s->soc); if (ret == 0) { @@ -153,20 +175,26 @@ int sa1111_pcmcia_add(struct sa1111_dev *dev, struct pcmcia_low_level *ops, static int pcmcia_probe(struct sa1111_dev *dev) { void __iomem *base; + int ret; + + ret = sa1111_enable_device(dev); + if (ret) + return ret; dev_set_drvdata(&dev->dev, NULL); - if (!request_mem_region(dev->res.start, 512, - SA1111_DRIVER_NAME(dev))) + if (!request_mem_region(dev->res.start, 512, SA1111_DRIVER_NAME(dev))) { + sa1111_disable_device(dev); return -EBUSY; + } base = dev->mapbase; /* * Initialise the suspend state. */ - sa1111_writel(PCSSR_S0_SLEEP | PCSSR_S1_SLEEP, base + SA1111_PCSSR); - sa1111_writel(PCCR_S0_FLT | PCCR_S1_FLT, base + SA1111_PCCR); + sa1111_writel(PCSSR_S0_SLEEP | PCSSR_S1_SLEEP, base + PCSSR); + sa1111_writel(PCCR_S0_FLT | PCCR_S1_FLT, base + PCCR); #ifdef CONFIG_SA1100_BADGE4 pcmcia_badge4_init(&dev->dev); @@ -183,40 +211,30 @@ static int pcmcia_probe(struct sa1111_dev *dev) return 0; } -static int __devexit pcmcia_remove(struct sa1111_dev *dev) +static int pcmcia_remove(struct sa1111_dev *dev) { struct sa1111_pcmcia_socket *next, *s = dev_get_drvdata(&dev->dev); dev_set_drvdata(&dev->dev, NULL); - for (; next = s->next, s; s = next) { + for (; s; s = next) { + next = s->next; soc_pcmcia_remove_one(&s->soc); kfree(s); } release_mem_region(dev->res.start, 512); + sa1111_disable_device(dev); return 0; } -static int pcmcia_suspend(struct sa1111_dev *dev, pm_message_t state) -{ - return pcmcia_socket_dev_suspend(&dev->dev); -} - -static int pcmcia_resume(struct sa1111_dev *dev) -{ - return pcmcia_socket_dev_resume(&dev->dev); -} - static struct sa1111_driver pcmcia_driver = { .drv = { .name = "sa1111-pcmcia", }, .devid = SA1111_DEVID_PCMCIA, .probe = pcmcia_probe, - .remove = __devexit_p(pcmcia_remove), - .suspend = pcmcia_suspend, - .resume = pcmcia_resume, + .remove = pcmcia_remove, }; static int __init sa1111_drv_pcmcia_init(void) diff --git a/drivers/pcmcia/sa1111_generic.h b/drivers/pcmcia/sa1111_generic.h index 02dc8577cda..f6376e34a7e 100644 --- a/drivers/pcmcia/sa1111_generic.h +++ b/drivers/pcmcia/sa1111_generic.h @@ -17,7 +17,6 @@ int sa1111_pcmcia_add(struct sa1111_dev *dev, struct pcmcia_low_level *ops, extern void sa1111_pcmcia_socket_state(struct soc_pcmcia_socket *, struct pcmcia_state *); extern int sa1111_pcmcia_configure_socket(struct soc_pcmcia_socket *, const socket_state_t *); -extern void sa1111_pcmcia_socket_init(struct soc_pcmcia_socket *); extern int pcmcia_badge4_init(struct device *); extern int pcmcia_jornada720_init(struct device *); diff --git a/drivers/pcmcia/sa1100_jornada720.c b/drivers/pcmcia/sa1111_jornada720.c index 6bcabee6bde..3baa3ef0968 100644 --- a/drivers/pcmcia/sa1100_jornada720.c +++ b/drivers/pcmcia/sa1111_jornada720.c @@ -78,13 +78,8 @@ jornada720_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_s } ret = sa1111_pcmcia_configure_socket(skt, state); - if (ret == 0) { - unsigned long flags; - - local_irq_save(flags); + if (ret == 0) sa1111_set_io(s->dev, pa_dwr_mask, pa_dwr_set); - local_irq_restore(flags); - } return ret; } @@ -92,12 +87,11 @@ jornada720_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_s static struct pcmcia_low_level jornada720_pcmcia_ops = { .owner = THIS_MODULE, .configure_socket = jornada720_pcmcia_configure_socket, - .socket_init = sa1111_pcmcia_socket_init, .first = 0, .nr = 2, }; -int __devinit pcmcia_jornada720_init(struct device *dev) +int pcmcia_jornada720_init(struct device *dev) { int ret = -ENODEV; diff --git a/drivers/pcmcia/pxa2xx_lubbock.c b/drivers/pcmcia/sa1111_lubbock.c index b9f8c8fb42b..c5caf579045 100644 --- a/drivers/pcmcia/pxa2xx_lubbock.c +++ b/drivers/pcmcia/sa1111_lubbock.c @@ -187,7 +187,7 @@ lubbock_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, * We need to hack around the const qualifier as * well to keep this ugly workaround localized and * not force it to the rest of the code. Barf bags - * avaliable in the seat pocket in front of you! + * available in the seat pocket in front of you! */ ((socket_state_t *)state)->Vcc = 50; ((socket_state_t *)state)->Vpp = 50; @@ -202,7 +202,6 @@ lubbock_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, static struct pcmcia_low_level lubbock_pcmcia_ops = { .owner = THIS_MODULE, .configure_socket = lubbock_pcmcia_configure_socket, - .socket_init = sa1111_pcmcia_socket_init, .first = 0, .nr = 2, }; @@ -226,6 +225,7 @@ int pcmcia_lubbock_init(struct sa1111_dev *sadev) lubbock_set_misc_wr((1 << 15) | (1 << 14), 0); pxa2xx_drv_pcmcia_ops(&lubbock_pcmcia_ops); + pxa2xx_configure_sockets(&sadev->dev); ret = sa1111_pcmcia_add(sadev, &lubbock_pcmcia_ops, pxa2xx_drv_pcmcia_add_one); } diff --git a/drivers/pcmcia/sa1100_neponset.c b/drivers/pcmcia/sa1111_neponset.c index c95639b5f2a..1d78739c4c0 100644 --- a/drivers/pcmcia/sa1100_neponset.c +++ b/drivers/pcmcia/sa1111_neponset.c @@ -94,30 +94,16 @@ neponset_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_sta ret = sa1111_pcmcia_configure_socket(skt, state); if (ret == 0) { - unsigned long flags; - - local_irq_save(flags); - NCR_0 = (NCR_0 & ~ncr_mask) | ncr_set; - - local_irq_restore(flags); + neponset_ncr_frob(ncr_mask, ncr_set); sa1111_set_io(s->dev, pa_dwr_mask, pa_dwr_set); } - return 0; -} - -static void neponset_pcmcia_socket_init(struct soc_pcmcia_socket *skt) -{ - if (skt->nr == 0) - NCR_0 &= ~(NCR_A0VPP | NCR_A1VPP); - - sa1111_pcmcia_socket_init(skt); + return ret; } static struct pcmcia_low_level neponset_pcmcia_ops = { .owner = THIS_MODULE, .configure_socket = neponset_pcmcia_configure_socket, - .socket_init = neponset_pcmcia_socket_init, .first = 0, .nr = 2, }; diff --git a/drivers/pcmcia/sa11xx_base.c b/drivers/pcmcia/sa11xx_base.c index fc9a6527019..54d3089d157 100644 --- a/drivers/pcmcia/sa11xx_base.c +++ b/drivers/pcmcia/sa11xx_base.c @@ -37,10 +37,10 @@ #include <linux/kernel.h> #include <linux/spinlock.h> #include <linux/io.h> +#include <linux/slab.h> #include <mach/hardware.h> #include <asm/irq.h> -#include <asm/system.h> #include "soc_common.h" #include "sa11xx_base.h" @@ -125,9 +125,6 @@ sa1100_pcmcia_frequency_change(struct soc_pcmcia_socket *skt, if (freqs->new < freqs->old) sa1100_pcmcia_set_mecr(skt, freqs->new); break; - case CPUFREQ_RESUMECHANGE: - sa1100_pcmcia_set_mecr(skt, freqs->new); - break; } return 0; @@ -230,15 +227,12 @@ int sa11xx_drv_pcmcia_probe(struct device *dev, struct pcmcia_low_level *ops, sinfo->nskt = nr; - /* Initiliaze processor specific parameters */ + /* Initialize processor specific parameters */ for (i = 0; i < nr; i++) { skt = &sinfo->skt[i]; skt->nr = first + i; - skt->ops = ops; - skt->socket.owner = ops->owner; - skt->socket.dev.parent = dev; - skt->socket.pci_irq = NO_IRQ; + soc_pcmcia_init_one(skt, ops, dev); ret = sa11xx_drv_pcmcia_add_one(skt); if (ret) diff --git a/drivers/pcmcia/soc_common.c b/drivers/pcmcia/soc_common.c index 6f1a86b43c6..a2bc6ee1702 100644 --- a/drivers/pcmcia/soc_common.c +++ b/drivers/pcmcia/soc_common.c @@ -31,24 +31,26 @@ ======================================================================*/ -#include <linux/module.h> -#include <linux/moduleparam.h> +#include <linux/cpufreq.h> +#include <linux/gpio.h> #include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/io.h> +#include <linux/irq.h> #include <linux/kernel.h> -#include <linux/timer.h> #include <linux/mm.h> +#include <linux/module.h> +#include <linux/moduleparam.h> #include <linux/mutex.h> -#include <linux/interrupt.h> -#include <linux/irq.h> #include <linux/spinlock.h> -#include <linux/cpufreq.h> +#include <linux/timer.h> #include <mach/hardware.h> -#include <asm/io.h> -#include <asm/system.h> #include "soc_common.h" +static irqreturn_t soc_common_pcmcia_interrupt(int irq, void *dev); + #ifdef CONFIG_PCMCIA_DEBUG static int pc_debug; @@ -57,18 +59,25 @@ module_param(pc_debug, int, 0644); void soc_pcmcia_debug(struct soc_pcmcia_socket *skt, const char *func, int lvl, const char *fmt, ...) { + struct va_format vaf; va_list args; if (pc_debug > lvl) { - printk(KERN_DEBUG "skt%u: %s: ", skt->nr, func); va_start(args, fmt); - vprintk(fmt, args); + + vaf.fmt = fmt; + vaf.va = &args; + + printk(KERN_DEBUG "skt%u: %s: %pV", skt->nr, func, &vaf); + va_end(args); } } +EXPORT_SYMBOL(soc_pcmcia_debug); #endif -#define to_soc_pcmcia_socket(x) container_of(x, struct soc_pcmcia_socket, socket) +#define to_soc_pcmcia_socket(x) \ + container_of(x, struct soc_pcmcia_socket, socket) static unsigned short calc_speed(unsigned short *spds, int num, unsigned short dflt) @@ -85,14 +94,105 @@ calc_speed(unsigned short *spds, int num, unsigned short dflt) return speed; } -void soc_common_pcmcia_get_timing(struct soc_pcmcia_socket *skt, struct soc_pcmcia_timing *timing) +void soc_common_pcmcia_get_timing(struct soc_pcmcia_socket *skt, + struct soc_pcmcia_timing *timing) { - timing->io = calc_speed(skt->spd_io, MAX_IO_WIN, SOC_PCMCIA_IO_ACCESS); - timing->mem = calc_speed(skt->spd_mem, MAX_WIN, SOC_PCMCIA_3V_MEM_ACCESS); - timing->attr = calc_speed(skt->spd_attr, MAX_WIN, SOC_PCMCIA_3V_MEM_ACCESS); + timing->io = + calc_speed(skt->spd_io, MAX_IO_WIN, SOC_PCMCIA_IO_ACCESS); + timing->mem = + calc_speed(skt->spd_mem, MAX_WIN, SOC_PCMCIA_3V_MEM_ACCESS); + timing->attr = + calc_speed(skt->spd_attr, MAX_WIN, SOC_PCMCIA_3V_MEM_ACCESS); } EXPORT_SYMBOL(soc_common_pcmcia_get_timing); +static void __soc_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt, + unsigned int nr) +{ + unsigned int i; + + for (i = 0; i < nr; i++) { + if (skt->stat[i].irq) + free_irq(skt->stat[i].irq, skt); + if (gpio_is_valid(skt->stat[i].gpio)) + gpio_free(skt->stat[i].gpio); + } + + if (skt->ops->hw_shutdown) + skt->ops->hw_shutdown(skt); +} + +static void soc_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) +{ + __soc_pcmcia_hw_shutdown(skt, ARRAY_SIZE(skt->stat)); +} + +static int soc_pcmcia_hw_init(struct soc_pcmcia_socket *skt) +{ + int ret = 0, i; + + if (skt->ops->hw_init) { + ret = skt->ops->hw_init(skt); + if (ret) + return ret; + } + + for (i = 0; i < ARRAY_SIZE(skt->stat); i++) { + if (gpio_is_valid(skt->stat[i].gpio)) { + int irq; + + ret = gpio_request_one(skt->stat[i].gpio, GPIOF_IN, + skt->stat[i].name); + if (ret) { + __soc_pcmcia_hw_shutdown(skt, i); + return ret; + } + + irq = gpio_to_irq(skt->stat[i].gpio); + + if (i == SOC_STAT_RDY) + skt->socket.pci_irq = irq; + else + skt->stat[i].irq = irq; + } + + if (skt->stat[i].irq) { + ret = request_irq(skt->stat[i].irq, + soc_common_pcmcia_interrupt, + IRQF_TRIGGER_NONE, + skt->stat[i].name, skt); + if (ret) { + if (gpio_is_valid(skt->stat[i].gpio)) + gpio_free(skt->stat[i].gpio); + __soc_pcmcia_hw_shutdown(skt, i); + return ret; + } + } + } + + return ret; +} + +static void soc_pcmcia_hw_enable(struct soc_pcmcia_socket *skt) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(skt->stat); i++) + if (skt->stat[i].irq) { + irq_set_irq_type(skt->stat[i].irq, IRQ_TYPE_EDGE_RISING); + irq_set_irq_type(skt->stat[i].irq, IRQ_TYPE_EDGE_BOTH); + } +} + +static void soc_pcmcia_hw_disable(struct soc_pcmcia_socket *skt) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(skt->stat); i++) + if (skt->stat[i].irq) + irq_set_irq_type(skt->stat[i].irq, IRQ_TYPE_NONE); +} + static unsigned int soc_common_pcmcia_skt_state(struct soc_pcmcia_socket *skt) { struct pcmcia_state state; @@ -100,6 +200,22 @@ static unsigned int soc_common_pcmcia_skt_state(struct soc_pcmcia_socket *skt) memset(&state, 0, sizeof(struct pcmcia_state)); + /* Make battery voltage state report 'good' */ + state.bvd1 = 1; + state.bvd2 = 1; + + /* CD is active low by default */ + if (gpio_is_valid(skt->stat[SOC_STAT_CD].gpio)) + state.detect = !gpio_get_value(skt->stat[SOC_STAT_CD].gpio); + + /* RDY and BVD are active high by default */ + if (gpio_is_valid(skt->stat[SOC_STAT_RDY].gpio)) + state.ready = !!gpio_get_value(skt->stat[SOC_STAT_RDY].gpio); + if (gpio_is_valid(skt->stat[SOC_STAT_BVD1].gpio)) + state.bvd1 = !!gpio_get_value(skt->stat[SOC_STAT_BVD1].gpio); + if (gpio_is_valid(skt->stat[SOC_STAT_BVD2].gpio)) + state.bvd2 = !!gpio_get_value(skt->stat[SOC_STAT_BVD2].gpio); + skt->ops->socket_state(skt, &state); stat = state.detect ? SS_DETECT : 0; @@ -131,8 +247,8 @@ static unsigned int soc_common_pcmcia_skt_state(struct soc_pcmcia_socket *skt) * * Convert PCMCIA socket state to our socket configure structure. */ -static int -soc_common_pcmcia_config_skt(struct soc_pcmcia_socket *skt, socket_state_t *state) +static int soc_common_pcmcia_config_skt( + struct soc_pcmcia_socket *skt, socket_state_t *state) { int ret; @@ -144,10 +260,11 @@ soc_common_pcmcia_config_skt(struct soc_pcmcia_socket *skt, socket_state_t *stat */ if (skt->irq_state != 1 && state->io_irq) { skt->irq_state = 1; - set_irq_type(skt->socket.pci_irq, IRQ_TYPE_EDGE_FALLING); + irq_set_irq_type(skt->socket.pci_irq, + IRQ_TYPE_EDGE_FALLING); } else if (skt->irq_state == 1 && state->io_irq == 0) { skt->irq_state = 0; - set_irq_type(skt->socket.pci_irq, IRQ_TYPE_NONE); + irq_set_irq_type(skt->socket.pci_irq, IRQ_TYPE_NONE); } skt->cs_state = *state; @@ -174,8 +291,9 @@ static int soc_common_pcmcia_sock_init(struct pcmcia_socket *sock) struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock); debug(skt, 2, "initializing socket\n"); - - skt->ops->socket_init(skt); + if (skt->ops->socket_init) + skt->ops->socket_init(skt); + soc_pcmcia_hw_enable(skt); return 0; } @@ -195,7 +313,9 @@ static int soc_common_pcmcia_suspend(struct pcmcia_socket *sock) debug(skt, 2, "suspending socket\n"); - skt->ops->socket_suspend(skt); + soc_pcmcia_hw_disable(skt); + if (skt->ops->socket_suspend) + skt->ops->socket_suspend(skt); return 0; } @@ -298,24 +418,24 @@ soc_common_pcmcia_get_status(struct pcmcia_socket *sock, unsigned int *status) * of power configuration, reset, &c. We also record the value of * `state' in order to regurgitate it to the PCMCIA core later. */ -static int -soc_common_pcmcia_set_socket(struct pcmcia_socket *sock, socket_state_t *state) +static int soc_common_pcmcia_set_socket( + struct pcmcia_socket *sock, socket_state_t *state) { struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock); - debug(skt, 2, "mask: %s%s%s%s%s%sflags: %s%s%s%s%s%sVcc %d Vpp %d irq %d\n", - (state->csc_mask==0)?"<NONE> ":"", - (state->csc_mask&SS_DETECT)?"DETECT ":"", - (state->csc_mask&SS_READY)?"READY ":"", - (state->csc_mask&SS_BATDEAD)?"BATDEAD ":"", - (state->csc_mask&SS_BATWARN)?"BATWARN ":"", - (state->csc_mask&SS_STSCHG)?"STSCHG ":"", - (state->flags==0)?"<NONE> ":"", - (state->flags&SS_PWR_AUTO)?"PWR_AUTO ":"", - (state->flags&SS_IOCARD)?"IOCARD ":"", - (state->flags&SS_RESET)?"RESET ":"", - (state->flags&SS_SPKR_ENA)?"SPKR_ENA ":"", - (state->flags&SS_OUTPUT_ENA)?"OUTPUT_ENA ":"", + debug(skt, 2, "mask: %s%s%s%s%s%s flags: %s%s%s%s%s%s Vcc %d Vpp %d irq %d\n", + (state->csc_mask == 0) ? "<NONE> " : "", + (state->csc_mask & SS_DETECT) ? "DETECT " : "", + (state->csc_mask & SS_READY) ? "READY " : "", + (state->csc_mask & SS_BATDEAD) ? "BATDEAD " : "", + (state->csc_mask & SS_BATWARN) ? "BATWARN " : "", + (state->csc_mask & SS_STSCHG) ? "STSCHG " : "", + (state->flags == 0) ? "<NONE> " : "", + (state->flags & SS_PWR_AUTO) ? "PWR_AUTO " : "", + (state->flags & SS_IOCARD) ? "IOCARD " : "", + (state->flags & SS_RESET) ? "RESET " : "", + (state->flags & SS_SPKR_ENA) ? "SPKR_ENA " : "", + (state->flags & SS_OUTPUT_ENA) ? "OUTPUT_ENA " : "", state->Vcc, state->Vpp, state->io_irq); return soc_common_pcmcia_config_skt(skt, state); @@ -330,8 +450,8 @@ soc_common_pcmcia_set_socket(struct pcmcia_socket *sock, socket_state_t *state) * * Returns: 0 on success, -1 on error */ -static int -soc_common_pcmcia_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *map) +static int soc_common_pcmcia_set_io_map( + struct pcmcia_socket *sock, struct pccard_io_map *map) { struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock); unsigned short speed = map->speed; @@ -340,14 +460,14 @@ soc_common_pcmcia_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *m map->map, map->speed, (unsigned long long)map->start, (unsigned long long)map->stop); debug(skt, 2, "flags: %s%s%s%s%s%s%s%s\n", - (map->flags==0)?"<NONE>":"", - (map->flags&MAP_ACTIVE)?"ACTIVE ":"", - (map->flags&MAP_16BIT)?"16BIT ":"", - (map->flags&MAP_AUTOSZ)?"AUTOSZ ":"", - (map->flags&MAP_0WS)?"0WS ":"", - (map->flags&MAP_WRPROT)?"WRPROT ":"", - (map->flags&MAP_USE_WAIT)?"USE_WAIT ":"", - (map->flags&MAP_PREFETCH)?"PREFETCH ":""); + (map->flags == 0) ? "<NONE>" : "", + (map->flags & MAP_ACTIVE) ? "ACTIVE " : "", + (map->flags & MAP_16BIT) ? "16BIT " : "", + (map->flags & MAP_AUTOSZ) ? "AUTOSZ " : "", + (map->flags & MAP_0WS) ? "0WS " : "", + (map->flags & MAP_WRPROT) ? "WRPROT " : "", + (map->flags & MAP_USE_WAIT) ? "USE_WAIT " : "", + (map->flags & MAP_PREFETCH) ? "PREFETCH " : ""); if (map->map >= MAX_IO_WIN) { printk(KERN_ERR "%s(): map (%d) out of range\n", __func__, @@ -384,8 +504,8 @@ soc_common_pcmcia_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *m * * Returns: 0 on success, -ERRNO on error */ -static int -soc_common_pcmcia_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *map) +static int soc_common_pcmcia_set_mem_map( + struct pcmcia_socket *sock, struct pccard_mem_map *map) { struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock); struct resource *res; @@ -394,14 +514,14 @@ soc_common_pcmcia_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map debug(skt, 2, "map %u speed %u card_start %08x\n", map->map, map->speed, map->card_start); debug(skt, 2, "flags: %s%s%s%s%s%s%s%s\n", - (map->flags==0)?"<NONE>":"", - (map->flags&MAP_ACTIVE)?"ACTIVE ":"", - (map->flags&MAP_16BIT)?"16BIT ":"", - (map->flags&MAP_AUTOSZ)?"AUTOSZ ":"", - (map->flags&MAP_0WS)?"0WS ":"", - (map->flags&MAP_WRPROT)?"WRPROT ":"", - (map->flags&MAP_ATTRIB)?"ATTRIB ":"", - (map->flags&MAP_USE_WAIT)?"USE_WAIT ":""); + (map->flags == 0) ? "<NONE>" : "", + (map->flags & MAP_ACTIVE) ? "ACTIVE " : "", + (map->flags & MAP_16BIT) ? "16BIT " : "", + (map->flags & MAP_AUTOSZ) ? "AUTOSZ " : "", + (map->flags & MAP_0WS) ? "0WS " : "", + (map->flags & MAP_WRPROT) ? "WRPROT " : "", + (map->flags & MAP_ATTRIB) ? "ATTRIB " : "", + (map->flags & MAP_USE_WAIT) ? "USE_WAIT " : ""); if (map->map >= MAX_WIN) return -EINVAL; @@ -456,8 +576,8 @@ static struct bittbl conf_bits[] = { { SS_OUTPUT_ENA, "SS_OUTPUT_ENA" }, }; -static void -dump_bits(char **p, const char *prefix, unsigned int val, struct bittbl *bits, int sz) +static void dump_bits(char **p, const char *prefix, + unsigned int val, struct bittbl *bits, int sz) { char *b = *p; int i; @@ -475,13 +595,14 @@ dump_bits(char **p, const char *prefix, unsigned int val, struct bittbl *bits, i * * Returns: the number of characters added to the buffer */ -static ssize_t show_status(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_status( + struct device *dev, struct device_attribute *attr, char *buf) { struct soc_pcmcia_socket *skt = container_of(dev, struct soc_pcmcia_socket, socket.dev); char *p = buf; - p+=sprintf(p, "slot : %d\n", skt->nr); + p += sprintf(p, "slot : %d\n", skt->nr); dump_bits(&p, "status", skt->status, status_bits, ARRAY_SIZE(status_bits)); @@ -490,12 +611,12 @@ static ssize_t show_status(struct device *dev, struct device_attribute *attr, ch dump_bits(&p, "cs_flags", skt->cs_state.flags, conf_bits, ARRAY_SIZE(conf_bits)); - p+=sprintf(p, "Vcc : %d\n", skt->cs_state.Vcc); - p+=sprintf(p, "Vpp : %d\n", skt->cs_state.Vpp); - p+=sprintf(p, "IRQ : %d (%d)\n", skt->cs_state.io_irq, + p += sprintf(p, "Vcc : %d\n", skt->cs_state.Vcc); + p += sprintf(p, "Vpp : %d\n", skt->cs_state.Vpp); + p += sprintf(p, "IRQ : %d (%d)\n", skt->cs_state.io_irq, skt->socket.pci_irq); if (skt->ops->show_timing) - p+=skt->ops->show_timing(skt, p); + p += skt->ops->show_timing(skt, p); return p-buf; } @@ -512,69 +633,6 @@ static struct pccard_operations soc_common_pcmcia_operations = { }; -int soc_pcmcia_request_irqs(struct soc_pcmcia_socket *skt, - struct pcmcia_irqs *irqs, int nr) -{ - int i, res = 0; - - for (i = 0; i < nr; i++) { - if (irqs[i].sock != skt->nr) - continue; - res = request_irq(irqs[i].irq, soc_common_pcmcia_interrupt, - IRQF_DISABLED, irqs[i].str, skt); - if (res) - break; - set_irq_type(irqs[i].irq, IRQ_TYPE_NONE); - } - - if (res) { - printk(KERN_ERR "PCMCIA: request for IRQ%d failed (%d)\n", - irqs[i].irq, res); - - while (i--) - if (irqs[i].sock == skt->nr) - free_irq(irqs[i].irq, skt); - } - return res; -} -EXPORT_SYMBOL(soc_pcmcia_request_irqs); - -void soc_pcmcia_free_irqs(struct soc_pcmcia_socket *skt, - struct pcmcia_irqs *irqs, int nr) -{ - int i; - - for (i = 0; i < nr; i++) - if (irqs[i].sock == skt->nr) - free_irq(irqs[i].irq, skt); -} -EXPORT_SYMBOL(soc_pcmcia_free_irqs); - -void soc_pcmcia_disable_irqs(struct soc_pcmcia_socket *skt, - struct pcmcia_irqs *irqs, int nr) -{ - int i; - - for (i = 0; i < nr; i++) - if (irqs[i].sock == skt->nr) - set_irq_type(irqs[i].irq, IRQ_TYPE_NONE); -} -EXPORT_SYMBOL(soc_pcmcia_disable_irqs); - -void soc_pcmcia_enable_irqs(struct soc_pcmcia_socket *skt, - struct pcmcia_irqs *irqs, int nr) -{ - int i; - - for (i = 0; i < nr; i++) - if (irqs[i].sock == skt->nr) { - set_irq_type(irqs[i].irq, IRQ_TYPE_EDGE_RISING); - set_irq_type(irqs[i].irq, IRQ_TYPE_EDGE_BOTH); - } -} -EXPORT_SYMBOL(soc_pcmcia_enable_irqs); - - static LIST_HEAD(soc_pcmcia_sockets); static DEFINE_MUTEX(soc_pcmcia_sockets_lock); @@ -588,7 +646,7 @@ soc_pcmcia_notifier(struct notifier_block *nb, unsigned long val, void *data) mutex_lock(&soc_pcmcia_sockets_lock); list_for_each_entry(skt, &soc_pcmcia_sockets, node) - if ( skt->ops->frequency_change ) + if (skt->ops->frequency_change) ret += skt->ops->frequency_change(skt, val, freqs); mutex_unlock(&soc_pcmcia_sockets_lock); @@ -614,12 +672,28 @@ fs_initcall(soc_pcmcia_cpufreq_register); static void soc_pcmcia_cpufreq_unregister(void) { - cpufreq_unregister_notifier(&soc_pcmcia_notifier_block, CPUFREQ_TRANSITION_NOTIFIER); + cpufreq_unregister_notifier(&soc_pcmcia_notifier_block, + CPUFREQ_TRANSITION_NOTIFIER); } module_exit(soc_pcmcia_cpufreq_unregister); #endif +void soc_pcmcia_init_one(struct soc_pcmcia_socket *skt, + struct pcmcia_low_level *ops, struct device *dev) +{ + int i; + + skt->ops = ops; + skt->socket.owner = ops->owner; + skt->socket.dev.parent = dev; + skt->socket.pci_irq = NO_IRQ; + + for (i = 0; i < ARRAY_SIZE(skt->stat); i++) + skt->stat[i].gpio = -EINVAL; +} +EXPORT_SYMBOL(soc_pcmcia_init_one); + void soc_pcmcia_remove_one(struct soc_pcmcia_socket *skt) { mutex_lock(&soc_pcmcia_sockets_lock); @@ -627,10 +701,9 @@ void soc_pcmcia_remove_one(struct soc_pcmcia_socket *skt) pcmcia_unregister_socket(&skt->socket); - flush_scheduled_work(); - - skt->ops->hw_shutdown(skt); + soc_pcmcia_hw_shutdown(skt); + /* should not be required; violates some lowlevel drivers */ soc_common_pcmcia_config_skt(skt, &dead_socket); list_del(&skt->node); @@ -687,7 +760,7 @@ int soc_pcmcia_add_one(struct soc_pcmcia_socket *skt) */ skt->ops->set_timing(skt); - ret = skt->ops->hw_init(skt); + ret = soc_pcmcia_hw_init(skt); if (ret) goto out_err_6; @@ -720,9 +793,7 @@ int soc_pcmcia_add_one(struct soc_pcmcia_socket *skt) pcmcia_unregister_socket(&skt->socket); out_err_7: - flush_scheduled_work(); - - skt->ops->hw_shutdown(skt); + soc_pcmcia_hw_shutdown(skt); out_err_6: list_del(&skt->node); mutex_unlock(&soc_pcmcia_sockets_lock); diff --git a/drivers/pcmcia/soc_common.h b/drivers/pcmcia/soc_common.h index e40824ce6b0..e6fcbea5b68 100644 --- a/drivers/pcmcia/soc_common.h +++ b/drivers/pcmcia/soc_common.h @@ -10,9 +10,8 @@ #define _ASM_ARCH_PCMCIA /* include the world */ +#include <linux/clk.h> #include <linux/cpufreq.h> -#include <pcmcia/cs_types.h> -#include <pcmcia/cs.h> #include <pcmcia/ss.h> #include <pcmcia/cistpl.h> @@ -31,6 +30,7 @@ struct soc_pcmcia_socket { * Info from low level handler */ unsigned int nr; + struct clk *clk; /* * Core PCMCIA state @@ -50,6 +50,16 @@ struct soc_pcmcia_socket { struct resource res_attr; void __iomem *virt_io; + struct { + int gpio; + unsigned int irq; + const char *name; + } stat[4]; +#define SOC_STAT_CD 0 /* Card detect */ +#define SOC_STAT_BVD1 1 /* BATDEAD / IOSTSCHG */ +#define SOC_STAT_BVD2 2 /* BATWARN / IOSPKR */ +#define SOC_STAT_RDY 3 /* Ready / Interrupt */ + unsigned int irq_state; struct timer_list poll_timer; @@ -58,6 +68,7 @@ struct soc_pcmcia_socket { struct skt_dev_info { int nskt; + struct clk *clk; struct soc_pcmcia_socket skt[0]; }; @@ -114,25 +125,16 @@ struct pcmcia_low_level { }; -struct pcmcia_irqs { - int sock; - int irq; - const char *str; -}; - struct soc_pcmcia_timing { unsigned short io; unsigned short mem; unsigned short attr; }; -extern int soc_pcmcia_request_irqs(struct soc_pcmcia_socket *skt, struct pcmcia_irqs *irqs, int nr); -extern void soc_pcmcia_free_irqs(struct soc_pcmcia_socket *skt, struct pcmcia_irqs *irqs, int nr); -extern void soc_pcmcia_disable_irqs(struct soc_pcmcia_socket *skt, struct pcmcia_irqs *irqs, int nr); -extern void soc_pcmcia_enable_irqs(struct soc_pcmcia_socket *skt, struct pcmcia_irqs *irqs, int nr); extern void soc_common_pcmcia_get_timing(struct soc_pcmcia_socket *, struct soc_pcmcia_timing *); - +void soc_pcmcia_init_one(struct soc_pcmcia_socket *skt, + struct pcmcia_low_level *ops, struct device *dev); void soc_pcmcia_remove_one(struct soc_pcmcia_socket *skt); int soc_pcmcia_add_one(struct soc_pcmcia_socket *skt); diff --git a/drivers/pcmcia/socket_sysfs.c b/drivers/pcmcia/socket_sysfs.c index 7a456000332..d6881514d38 100644 --- a/drivers/pcmcia/socket_sysfs.c +++ b/drivers/pcmcia/socket_sysfs.c @@ -15,7 +15,6 @@ #include <linux/string.h> #include <linux/major.h> #include <linux/errno.h> -#include <linux/slab.h> #include <linux/mm.h> #include <linux/interrupt.h> #include <linux/timer.h> @@ -24,12 +23,9 @@ #include <linux/pm.h> #include <linux/device.h> #include <linux/mutex.h> -#include <asm/system.h> #include <asm/irq.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include <pcmcia/cisreg.h> #include <pcmcia/ds.h> @@ -88,15 +84,14 @@ static DEVICE_ATTR(card_vcc, 0444, pccard_show_vcc, NULL); static ssize_t pccard_store_insert(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - ssize_t ret; struct pcmcia_socket *s = to_socket(dev); if (!count) return -EINVAL; - ret = pcmcia_insert_card(s); + pcmcia_parse_uevents(s, PCMCIA_UEVENT_INSERT); - return ret ? ret : count; + return count; } static DEVICE_ATTR(card_insert, 0200, NULL, pccard_store_insert); @@ -113,18 +108,22 @@ static ssize_t pccard_store_card_pm_state(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - ssize_t ret = -EINVAL; struct pcmcia_socket *s = to_socket(dev); + ssize_t ret = count; if (!count) return -EINVAL; - if (!(s->state & SOCKET_SUSPEND) && !strncmp(buf, "off", 3)) - ret = pcmcia_suspend_card(s); - else if ((s->state & SOCKET_SUSPEND) && !strncmp(buf, "on", 2)) - ret = pcmcia_resume_card(s); + if (!strncmp(buf, "off", 3)) + pcmcia_parse_uevents(s, PCMCIA_UEVENT_SUSPEND); + else { + if (!strncmp(buf, "on", 2)) + pcmcia_parse_uevents(s, PCMCIA_UEVENT_RESUME); + else + ret = -EINVAL; + } - return ret ? -ENODEV : count; + return ret; } static DEVICE_ATTR(card_pm_state, 0644, pccard_show_card_pm_state, pccard_store_card_pm_state); @@ -132,15 +131,14 @@ static ssize_t pccard_store_eject(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - ssize_t ret; struct pcmcia_socket *s = to_socket(dev); if (!count) return -EINVAL; - ret = pcmcia_eject_card(s); + pcmcia_parse_uevents(s, PCMCIA_UEVENT_EJECT); - return ret ? ret : count; + return count; } static DEVICE_ATTR(card_eject, 0200, NULL, pccard_store_eject); @@ -167,7 +165,9 @@ static ssize_t pccard_store_irq_mask(struct device *dev, ret = sscanf(buf, "0x%x\n", &mask); if (ret == 1) { + mutex_lock(&s->ops_mutex); s->irq_mask &= mask; + mutex_unlock(&s->ops_mutex); ret = 0; } @@ -187,163 +187,21 @@ static ssize_t pccard_store_resource(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - unsigned long flags; struct pcmcia_socket *s = to_socket(dev); if (!count) return -EINVAL; - spin_lock_irqsave(&s->lock, flags); + mutex_lock(&s->ops_mutex); if (!s->resource_setup_done) s->resource_setup_done = 1; - spin_unlock_irqrestore(&s->lock, flags); - - mutex_lock(&s->skt_mutex); - if ((s->callback) && - (s->state & SOCKET_PRESENT) && - !(s->state & SOCKET_CARDBUS)) { - if (try_module_get(s->callback->owner)) { - s->callback->requery(s, 0); - module_put(s->callback->owner); - } - } - mutex_unlock(&s->skt_mutex); - - return count; -} -static DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource); + mutex_unlock(&s->ops_mutex); - -static ssize_t pccard_extract_cis(struct pcmcia_socket *s, char *buf, loff_t off, size_t count) -{ - tuple_t tuple; - int status, i; - loff_t pointer = 0; - ssize_t ret = 0; - u_char *tuplebuffer; - u_char *tempbuffer; - - tuplebuffer = kmalloc(sizeof(u_char) * 256, GFP_KERNEL); - if (!tuplebuffer) - return -ENOMEM; - - tempbuffer = kmalloc(sizeof(u_char) * 258, GFP_KERNEL); - if (!tempbuffer) { - ret = -ENOMEM; - goto free_tuple; - } - - memset(&tuple, 0, sizeof(tuple_t)); - - tuple.Attributes = TUPLE_RETURN_LINK | TUPLE_RETURN_COMMON; - tuple.DesiredTuple = RETURN_FIRST_TUPLE; - tuple.TupleOffset = 0; - - status = pccard_get_first_tuple(s, BIND_FN_ALL, &tuple); - while (!status) { - tuple.TupleData = tuplebuffer; - tuple.TupleDataMax = 255; - memset(tuplebuffer, 0, sizeof(u_char) * 255); - - status = pccard_get_tuple_data(s, &tuple); - if (status) - break; - - if (off < (pointer + 2 + tuple.TupleDataLen)) { - tempbuffer[0] = tuple.TupleCode & 0xff; - tempbuffer[1] = tuple.TupleLink & 0xff; - for (i = 0; i < tuple.TupleDataLen; i++) - tempbuffer[i + 2] = tuplebuffer[i] & 0xff; - - for (i = 0; i < (2 + tuple.TupleDataLen); i++) { - if (((i + pointer) >= off) && - (i + pointer) < (off + count)) { - buf[ret] = tempbuffer[i]; - ret++; - } - } - } - - pointer += 2 + tuple.TupleDataLen; - - if (pointer >= (off + count)) - break; - - if (tuple.TupleCode == CISTPL_END) - break; - status = pccard_get_next_tuple(s, BIND_FN_ALL, &tuple); - } - - kfree(tempbuffer); - free_tuple: - kfree(tuplebuffer); - - return ret; -} - -static ssize_t pccard_show_cis(struct kobject *kobj, - struct bin_attribute *bin_attr, - char *buf, loff_t off, size_t count) -{ - unsigned int size = 0x200; - - if (off >= size) - count = 0; - else { - struct pcmcia_socket *s; - unsigned int chains; - - if (off + count > size) - count = size - off; - - s = to_socket(container_of(kobj, struct device, kobj)); - - if (!(s->state & SOCKET_PRESENT)) - return -ENODEV; - if (pccard_validate_cis(s, &chains)) - return -EIO; - if (!chains) - return -ENODATA; - - count = pccard_extract_cis(s, buf, off, count); - } - - return count; -} - -static ssize_t pccard_store_cis(struct kobject *kobj, - struct bin_attribute *bin_attr, - char *buf, loff_t off, size_t count) -{ - struct pcmcia_socket *s = to_socket(container_of(kobj, struct device, kobj)); - int error; - - if (off) - return -EINVAL; - - if (count >= CISTPL_MAX_CIS_SIZE) - return -EINVAL; - - if (!(s->state & SOCKET_PRESENT)) - return -ENODEV; - - error = pcmcia_replace_cis(s, buf, count); - if (error) - return -EIO; - - mutex_lock(&s->skt_mutex); - if ((s->callback) && (s->state & SOCKET_PRESENT) && - !(s->state & SOCKET_CARDBUS)) { - if (try_module_get(s->callback->owner)) { - s->callback->requery(s, 1); - module_put(s->callback->owner); - } - } - mutex_unlock(&s->skt_mutex); + pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY); return count; } - +static DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource); static struct attribute *pccard_socket_attributes[] = { &dev_attr_card_type.attr, @@ -362,28 +220,12 @@ static const struct attribute_group socket_attrs = { .attrs = pccard_socket_attributes, }; -static struct bin_attribute pccard_cis_attr = { - .attr = { .name = "cis", .mode = S_IRUGO | S_IWUSR }, - .size = 0x200, - .read = pccard_show_cis, - .write = pccard_store_cis, -}; - int pccard_sysfs_add_socket(struct device *dev) { - int ret = 0; - - ret = sysfs_create_group(&dev->kobj, &socket_attrs); - if (!ret) { - ret = sysfs_create_bin_file(&dev->kobj, &pccard_cis_attr); - if (ret) - sysfs_remove_group(&dev->kobj, &socket_attrs); - } - return ret; + return sysfs_create_group(&dev->kobj, &socket_attrs); } void pccard_sysfs_remove_socket(struct device *dev) { - sysfs_remove_bin_file(&dev->kobj, &pccard_cis_attr); sysfs_remove_group(&dev->kobj, &socket_attrs); } diff --git a/drivers/pcmcia/tcic.c b/drivers/pcmcia/tcic.c index 12c49ee135e..cbe15fc3741 100644 --- a/drivers/pcmcia/tcic.c +++ b/drivers/pcmcia/tcic.c @@ -39,7 +39,6 @@ #include <linux/string.h> #include <linux/errno.h> #include <linux/interrupt.h> -#include <linux/slab.h> #include <linux/timer.h> #include <linux/ioport.h> #include <linux/delay.h> @@ -48,10 +47,7 @@ #include <linux/bitops.h> #include <asm/io.h> -#include <asm/system.h> -#include <pcmcia/cs_types.h> -#include <pcmcia/cs.h> #include <pcmcia/ss.h> #include "tcic.h" @@ -348,16 +344,6 @@ static int __init get_tcic_id(void) return id; } -static int tcic_drv_pcmcia_suspend(struct platform_device *dev, - pm_message_t state) -{ - return pcmcia_socket_dev_suspend(&dev->dev); -} - -static int tcic_drv_pcmcia_resume(struct platform_device *dev) -{ - return pcmcia_socket_dev_resume(&dev->dev); -} /*====================================================================*/ static struct platform_driver tcic_driver = { @@ -365,8 +351,6 @@ static struct platform_driver tcic_driver = { .name = "tcic-pcmcia", .owner = THIS_MODULE, }, - .suspend = tcic_drv_pcmcia_suspend, - .resume = tcic_drv_pcmcia_resume, }; static struct platform_device tcic_device = { diff --git a/drivers/pcmcia/ti113x.h b/drivers/pcmcia/ti113x.h index aaa70227bfb..a71789486cd 100644 --- a/drivers/pcmcia/ti113x.h +++ b/drivers/pcmcia/ti113x.h @@ -296,7 +296,7 @@ static int ti_init(struct yenta_socket *socket) u8 new, reg = exca_readb(socket, I365_INTCTL); new = reg & ~I365_INTR_ENA; - if (socket->cb_irq) + if (socket->dev->irq) new |= I365_INTR_ENA; if (new != reg) exca_writeb(socket, I365_INTCTL, new); @@ -316,14 +316,47 @@ static int ti_override(struct yenta_socket *socket) return 0; } +static void ti113x_use_isa_irq(struct yenta_socket *socket) +{ + int isa_irq = -1; + u8 intctl; + u32 isa_irq_mask = 0; + + if (!isa_probe) + return; + + /* get a free isa int */ + isa_irq_mask = yenta_probe_irq(socket, isa_interrupts); + if (!isa_irq_mask) + return; /* no useable isa irq found */ + + /* choose highest available */ + for (; isa_irq_mask; isa_irq++) + isa_irq_mask >>= 1; + socket->cb_irq = isa_irq; + + exca_writeb(socket, I365_CSCINT, (isa_irq << 4)); + + intctl = exca_readb(socket, I365_INTCTL); + intctl &= ~(I365_INTR_ENA | I365_IRQ_MASK); /* CSC Enable */ + exca_writeb(socket, I365_INTCTL, intctl); + + dev_info(&socket->dev->dev, + "Yenta TI113x: using isa irq %d for CardBus\n", isa_irq); +} + + static int ti113x_override(struct yenta_socket *socket) { u8 cardctl; cardctl = config_readb(socket, TI113X_CARD_CONTROL); cardctl &= ~(TI113X_CCR_PCI_IRQ_ENA | TI113X_CCR_PCI_IREQ | TI113X_CCR_PCI_CSC); - if (socket->cb_irq) + if (socket->dev->irq) cardctl |= TI113X_CCR_PCI_IRQ_ENA | TI113X_CCR_PCI_CSC | TI113X_CCR_PCI_IREQ; + else + ti113x_use_isa_irq(socket); + config_writeb(socket, TI113X_CARD_CONTROL, cardctl); return ti_override(socket); @@ -658,7 +691,7 @@ static int ti12xx_2nd_slot_empty(struct yenta_socket *socket) /* * those are either single or dual slot CB with additional functions * like 1394, smartcard reader, etc. check the TIEALL flag for them - * the TIEALL flag binds the IRQ of all functions toghether. + * the TIEALL flag binds the IRQ of all functions together. * we catch the single slot variants later. */ sysctl = config_readl(socket, TI113X_SYSTEM_CONTROL); diff --git a/drivers/pcmcia/vrc4171_card.c b/drivers/pcmcia/vrc4171_card.c index c9fcbdc164e..d98a0861249 100644 --- a/drivers/pcmcia/vrc4171_card.c +++ b/drivers/pcmcia/vrc4171_card.c @@ -105,6 +105,7 @@ typedef struct vrc4171_socket { char name[24]; int csc_irq; int io_irq; + spinlock_t lock; } vrc4171_socket_t; static vrc4171_socket_t vrc4171_sockets[CARD_MAX_SLOTS]; @@ -245,6 +246,7 @@ static int pccard_init(struct pcmcia_socket *sock) socket = &vrc4171_sockets[slot]; socket->csc_irq = search_nonuse_irq(); socket->io_irq = search_nonuse_irq(); + spin_lock_init(&socket->lock); return 0; } @@ -327,7 +329,7 @@ static int pccard_set_socket(struct pcmcia_socket *sock, socket_state_t *state) slot = sock->sock; socket = &vrc4171_sockets[slot]; - spin_lock_irq(&sock->lock); + spin_lock_irq(&socket->lock); voltage = set_Vcc_value(state->Vcc); exca_write_byte(slot, CARD_VOLTAGE_SELECT, voltage); @@ -370,7 +372,7 @@ static int pccard_set_socket(struct pcmcia_socket *sock, socket_state_t *state) cscint |= I365_CSC_DETECT; exca_write_byte(slot, I365_CSCINT, cscint); - spin_unlock_irq(&sock->lock); + spin_unlock_irq(&socket->lock); return 0; } @@ -563,7 +565,7 @@ static inline void reserve_using_irq(int slot) vrc4171_irq_mask &= ~(1 << irq); } -static int __devinit vrc4171_add_sockets(void) +static int vrc4171_add_sockets(void) { vrc4171_socket_t *socket; int slot, retval; @@ -630,7 +632,7 @@ static void vrc4171_remove_sockets(void) } } -static int __devinit vrc4171_card_setup(char *options) +static int vrc4171_card_setup(char *options) { if (options == NULL || *options == '\0') return 1; @@ -704,27 +706,14 @@ static int __devinit vrc4171_card_setup(char *options) __setup("vrc4171_card=", vrc4171_card_setup); -static int vrc4171_card_suspend(struct platform_device *dev, - pm_message_t state) -{ - return pcmcia_socket_dev_suspend(&dev->dev); -} - -static int vrc4171_card_resume(struct platform_device *dev) -{ - return pcmcia_socket_dev_resume(&dev->dev); -} - static struct platform_driver vrc4171_card_driver = { .driver = { .name = vrc4171_card_name, .owner = THIS_MODULE, }, - .suspend = vrc4171_card_suspend, - .resume = vrc4171_card_resume, }; -static int __devinit vrc4171_card_init(void) +static int vrc4171_card_init(void) { int retval; @@ -758,7 +747,7 @@ static int __devinit vrc4171_card_init(void) return 0; } -static void __devexit vrc4171_card_exit(void) +static void vrc4171_card_exit(void) { free_irq(vrc4171_irq, vrc4171_sockets); vrc4171_remove_sockets(); diff --git a/drivers/pcmcia/vrc4173_cardu.c b/drivers/pcmcia/vrc4173_cardu.c index 9b3c15827e5..d92692056e2 100644 --- a/drivers/pcmcia/vrc4173_cardu.c +++ b/drivers/pcmcia/vrc4173_cardu.c @@ -456,12 +456,12 @@ static void cardu_interrupt(int irq, void *dev_id) } } -static int __devinit vrc4173_cardu_probe(struct pci_dev *dev, +static int vrc4173_cardu_probe(struct pci_dev *dev, const struct pci_device_id *ent) { vrc4173_socket_t *socket; unsigned long start, len, flags; - int slot, err; + int slot, err, ret; slot = vrc4173_cardu_slots++; socket = &cardu_sockets[slot]; @@ -474,46 +474,66 @@ static int __devinit vrc4173_cardu_probe(struct pci_dev *dev, return err; start = pci_resource_start(dev, 0); - if (start == 0) - return -ENODEV; + if (start == 0) { + ret = -ENODEV; + goto disable; + } len = pci_resource_len(dev, 0); - if (len == 0) - return -ENODEV; + if (len == 0) { + ret = -ENODEV; + goto disable; + } - if (((flags = pci_resource_flags(dev, 0)) & IORESOURCE_MEM) == 0) - return -EBUSY; + flags = pci_resource_flags(dev, 0); + if ((flags & IORESOURCE_MEM) == 0) { + ret = -EBUSY; + goto disable; + } - if ((err = pci_request_regions(dev, socket->name)) < 0) - return err; + err = pci_request_regions(dev, socket->name); + if (err < 0) { + ret = err; + goto disable; + } socket->base = ioremap(start, len); - if (socket->base == NULL) - return -ENODEV; + if (socket->base == NULL) { + ret = -ENODEV; + goto release; + } socket->dev = dev; socket->pcmcia_socket = pcmcia_register_socket(slot, &cardu_operations, 1); if (socket->pcmcia_socket == NULL) { - iounmap(socket->base); - socket->base = NULL; - return -ENOMEM; + ret = -ENOMEM; + goto unmap; } if (request_irq(dev->irq, cardu_interrupt, IRQF_SHARED, socket->name, socket) < 0) { - pcmcia_unregister_socket(socket->pcmcia_socket); - socket->pcmcia_socket = NULL; - iounmap(socket->base); - socket->base = NULL; - return -EBUSY; + ret = -EBUSY; + goto unregister; } printk(KERN_INFO "%s at %#08lx, IRQ %d\n", socket->name, start, dev->irq); return 0; + +unregister: + pcmcia_unregister_socket(socket->pcmcia_socket); + socket->pcmcia_socket = NULL; +unmap: + iounmap(socket->base); + socket->base = NULL; +release: + pci_release_regions(dev); +disable: + pci_disable_device(dev); + return ret; } -static int __devinit vrc4173_cardu_setup(char *options) +static int vrc4173_cardu_setup(char *options) { if (options == NULL || *options == '\0') return 1; @@ -543,11 +563,8 @@ static int __devinit vrc4173_cardu_setup(char *options) __setup("vrc4173_cardu=", vrc4173_cardu_setup); -static struct pci_device_id vrc4173_cardu_id_table[] __devinitdata = { - { .vendor = PCI_VENDOR_ID_NEC, - .device = PCI_DEVICE_ID_NEC_NAPCCARD, - .subvendor = PCI_ANY_ID, - .subdevice = PCI_ANY_ID, }, +static DEFINE_PCI_DEVICE_TABLE(vrc4173_cardu_id_table) = { + { PCI_DEVICE(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_NAPCCARD) }, {0, } }; @@ -557,14 +574,14 @@ static struct pci_driver vrc4173_cardu_driver = { .id_table = vrc4173_cardu_id_table, }; -static int __devinit vrc4173_cardu_init(void) +static int vrc4173_cardu_init(void) { vrc4173_cardu_slots = 0; return pci_register_driver(&vrc4173_cardu_driver); } -static void __devexit vrc4173_cardu_exit(void) +static void vrc4173_cardu_exit(void) { pci_unregister_driver(&vrc4173_cardu_driver); } diff --git a/drivers/pcmcia/xxs1500_ss.c b/drivers/pcmcia/xxs1500_ss.c new file mode 100644 index 00000000000..95f5b270ad4 --- /dev/null +++ b/drivers/pcmcia/xxs1500_ss.c @@ -0,0 +1,327 @@ +/* + * PCMCIA socket code for the MyCable XXS1500 system. + * + * Copyright (c) 2009 Manuel Lauss <manuel.lauss@gmail.com> + * + */ + +#include <linux/delay.h> +#include <linux/gpio.h> +#include <linux/interrupt.h> +#include <linux/io.h> +#include <linux/ioport.h> +#include <linux/mm.h> +#include <linux/platform_device.h> +#include <linux/pm.h> +#include <linux/resource.h> +#include <linux/slab.h> +#include <linux/spinlock.h> + +#include <pcmcia/ss.h> +#include <pcmcia/cistpl.h> + +#include <asm/irq.h> +#include <asm/mach-au1x00/au1000.h> + +#define MEM_MAP_SIZE 0x400000 +#define IO_MAP_SIZE 0x1000 + + +/* + * 3.3V cards only; all interfacing is done via gpios: + * + * 0/1: carddetect (00 = card present, xx = huh) + * 4: card irq + * 204: reset (high-act) + * 205: buffer enable (low-act) + * 208/209: card voltage key (00,01,10,11) + * 210: battwarn + * 211: batdead + * 214: power (low-act) + */ +#define GPIO_CDA 0 +#define GPIO_CDB 1 +#define GPIO_CARDIRQ 4 +#define GPIO_RESET 204 +#define GPIO_OUTEN 205 +#define GPIO_VSL 208 +#define GPIO_VSH 209 +#define GPIO_BATTDEAD 210 +#define GPIO_BATTWARN 211 +#define GPIO_POWER 214 + +struct xxs1500_pcmcia_sock { + struct pcmcia_socket socket; + void *virt_io; + + phys_addr_t phys_io; + phys_addr_t phys_attr; + phys_addr_t phys_mem; + + /* previous flags for set_socket() */ + unsigned int old_flags; +}; + +#define to_xxs_socket(x) container_of(x, struct xxs1500_pcmcia_sock, socket) + +static irqreturn_t cdirq(int irq, void *data) +{ + struct xxs1500_pcmcia_sock *sock = data; + + pcmcia_parse_events(&sock->socket, SS_DETECT); + + return IRQ_HANDLED; +} + +static int xxs1500_pcmcia_configure(struct pcmcia_socket *skt, + struct socket_state_t *state) +{ + struct xxs1500_pcmcia_sock *sock = to_xxs_socket(skt); + unsigned int changed; + + /* power control */ + switch (state->Vcc) { + case 0: + gpio_set_value(GPIO_POWER, 1); /* power off */ + break; + case 33: + gpio_set_value(GPIO_POWER, 0); /* power on */ + break; + case 50: + default: + return -EINVAL; + } + + changed = state->flags ^ sock->old_flags; + + if (changed & SS_RESET) { + if (state->flags & SS_RESET) { + gpio_set_value(GPIO_RESET, 1); /* assert reset */ + gpio_set_value(GPIO_OUTEN, 1); /* buffers off */ + } else { + gpio_set_value(GPIO_RESET, 0); /* deassert reset */ + gpio_set_value(GPIO_OUTEN, 0); /* buffers on */ + msleep(500); + } + } + + sock->old_flags = state->flags; + + return 0; +} + +static int xxs1500_pcmcia_get_status(struct pcmcia_socket *skt, + unsigned int *value) +{ + unsigned int status; + int i; + + status = 0; + + /* check carddetects: GPIO[0:1] must both be low */ + if (!gpio_get_value(GPIO_CDA) && !gpio_get_value(GPIO_CDB)) + status |= SS_DETECT; + + /* determine card voltage: GPIO[208:209] binary value */ + i = (!!gpio_get_value(GPIO_VSL)) | ((!!gpio_get_value(GPIO_VSH)) << 1); + + switch (i) { + case 0: + case 1: + case 2: + status |= SS_3VCARD; /* 3V card */ + break; + case 3: /* 5V card, unsupported */ + default: + status |= SS_XVCARD; /* treated as unsupported in core */ + } + + /* GPIO214: low active power switch */ + status |= gpio_get_value(GPIO_POWER) ? 0 : SS_POWERON; + + /* GPIO204: high-active reset line */ + status |= gpio_get_value(GPIO_RESET) ? SS_RESET : SS_READY; + + /* other stuff */ + status |= gpio_get_value(GPIO_BATTDEAD) ? 0 : SS_BATDEAD; + status |= gpio_get_value(GPIO_BATTWARN) ? 0 : SS_BATWARN; + + *value = status; + + return 0; +} + +static int xxs1500_pcmcia_sock_init(struct pcmcia_socket *skt) +{ + gpio_direction_input(GPIO_CDA); + gpio_direction_input(GPIO_CDB); + gpio_direction_input(GPIO_VSL); + gpio_direction_input(GPIO_VSH); + gpio_direction_input(GPIO_BATTDEAD); + gpio_direction_input(GPIO_BATTWARN); + gpio_direction_output(GPIO_RESET, 1); /* assert reset */ + gpio_direction_output(GPIO_OUTEN, 1); /* disable buffers */ + gpio_direction_output(GPIO_POWER, 1); /* power off */ + + return 0; +} + +static int xxs1500_pcmcia_sock_suspend(struct pcmcia_socket *skt) +{ + return 0; +} + +static int au1x00_pcmcia_set_io_map(struct pcmcia_socket *skt, + struct pccard_io_map *map) +{ + struct xxs1500_pcmcia_sock *sock = to_xxs_socket(skt); + + map->start = (u32)sock->virt_io; + map->stop = map->start + IO_MAP_SIZE; + + return 0; +} + +static int au1x00_pcmcia_set_mem_map(struct pcmcia_socket *skt, + struct pccard_mem_map *map) +{ + struct xxs1500_pcmcia_sock *sock = to_xxs_socket(skt); + + if (map->flags & MAP_ATTRIB) + map->static_start = sock->phys_attr + map->card_start; + else + map->static_start = sock->phys_mem + map->card_start; + + return 0; +} + +static struct pccard_operations xxs1500_pcmcia_operations = { + .init = xxs1500_pcmcia_sock_init, + .suspend = xxs1500_pcmcia_sock_suspend, + .get_status = xxs1500_pcmcia_get_status, + .set_socket = xxs1500_pcmcia_configure, + .set_io_map = au1x00_pcmcia_set_io_map, + .set_mem_map = au1x00_pcmcia_set_mem_map, +}; + +static int xxs1500_pcmcia_probe(struct platform_device *pdev) +{ + struct xxs1500_pcmcia_sock *sock; + struct resource *r; + int ret, irq; + + sock = kzalloc(sizeof(struct xxs1500_pcmcia_sock), GFP_KERNEL); + if (!sock) + return -ENOMEM; + + ret = -ENODEV; + + /* 36bit PCMCIA Attribute area address */ + r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pcmcia-attr"); + if (!r) { + dev_err(&pdev->dev, "missing 'pcmcia-attr' resource!\n"); + goto out0; + } + sock->phys_attr = r->start; + + /* 36bit PCMCIA Memory area address */ + r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pcmcia-mem"); + if (!r) { + dev_err(&pdev->dev, "missing 'pcmcia-mem' resource!\n"); + goto out0; + } + sock->phys_mem = r->start; + + /* 36bit PCMCIA IO area address */ + r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pcmcia-io"); + if (!r) { + dev_err(&pdev->dev, "missing 'pcmcia-io' resource!\n"); + goto out0; + } + sock->phys_io = r->start; + + + /* + * PCMCIA client drivers use the inb/outb macros to access + * the IO registers. Since mips_io_port_base is added + * to the access address of the mips implementation of + * inb/outb, we need to subtract it here because we want + * to access the I/O or MEM address directly, without + * going through this "mips_io_port_base" mechanism. + */ + sock->virt_io = (void *)(ioremap(sock->phys_io, IO_MAP_SIZE) - + mips_io_port_base); + + if (!sock->virt_io) { + dev_err(&pdev->dev, "cannot remap IO area\n"); + ret = -ENOMEM; + goto out0; + } + + sock->socket.ops = &xxs1500_pcmcia_operations; + sock->socket.owner = THIS_MODULE; + sock->socket.pci_irq = gpio_to_irq(GPIO_CARDIRQ); + sock->socket.features = SS_CAP_STATIC_MAP | SS_CAP_PCCARD; + sock->socket.map_size = MEM_MAP_SIZE; + sock->socket.io_offset = (unsigned long)sock->virt_io; + sock->socket.dev.parent = &pdev->dev; + sock->socket.resource_ops = &pccard_static_ops; + + platform_set_drvdata(pdev, sock); + + /* setup carddetect irq: use one of the 2 GPIOs as an + * edge detector. + */ + irq = gpio_to_irq(GPIO_CDA); + irq_set_irq_type(irq, IRQ_TYPE_EDGE_BOTH); + ret = request_irq(irq, cdirq, 0, "pcmcia_carddetect", sock); + if (ret) { + dev_err(&pdev->dev, "cannot setup cd irq\n"); + goto out1; + } + + ret = pcmcia_register_socket(&sock->socket); + if (ret) { + dev_err(&pdev->dev, "failed to register\n"); + goto out2; + } + + printk(KERN_INFO "MyCable XXS1500 PCMCIA socket services\n"); + + return 0; + +out2: + free_irq(gpio_to_irq(GPIO_CDA), sock); +out1: + iounmap((void *)(sock->virt_io + (u32)mips_io_port_base)); +out0: + kfree(sock); + return ret; +} + +static int xxs1500_pcmcia_remove(struct platform_device *pdev) +{ + struct xxs1500_pcmcia_sock *sock = platform_get_drvdata(pdev); + + pcmcia_unregister_socket(&sock->socket); + free_irq(gpio_to_irq(GPIO_CDA), sock); + iounmap((void *)(sock->virt_io + (u32)mips_io_port_base)); + kfree(sock); + + return 0; +} + +static struct platform_driver xxs1500_pcmcia_socket_driver = { + .driver = { + .name = "xxs1500_pcmcia", + .owner = THIS_MODULE, + }, + .probe = xxs1500_pcmcia_probe, + .remove = xxs1500_pcmcia_remove, +}; + +module_platform_driver(xxs1500_pcmcia_socket_driver); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("PCMCIA Socket Services for MyCable XXS1500 systems"); +MODULE_AUTHOR("Manuel Lauss"); diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c index e4d12acdd52..946f90ef602 100644 --- a/drivers/pcmcia/yenta_socket.c +++ b/drivers/pcmcia/yenta_socket.c @@ -17,26 +17,42 @@ #include <linux/delay.h> #include <linux/module.h> #include <linux/io.h> +#include <linux/slab.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include "yenta_socket.h" #include "i82365.h" -static int disable_clkrun; +static bool disable_clkrun; module_param(disable_clkrun, bool, 0444); MODULE_PARM_DESC(disable_clkrun, "If PC card doesn't function properly, please try this option"); -static int isa_probe = 1; +static bool isa_probe = 1; module_param(isa_probe, bool, 0444); MODULE_PARM_DESC(isa_probe, "If set ISA interrupts are probed (default). Set to N to disable probing"); -static int pwr_irqs_off; +static bool pwr_irqs_off; module_param(pwr_irqs_off, bool, 0644); MODULE_PARM_DESC(pwr_irqs_off, "Force IRQs off during power-on of slot. Use only when seeing IRQ storms!"); +static char o2_speedup[] = "default"; +module_param_string(o2_speedup, o2_speedup, sizeof(o2_speedup), 0444); +MODULE_PARM_DESC(o2_speedup, "Use prefetch/burst for O2-bridges: 'on', 'off' " + "or 'default' (uses recommended behaviour for the detected bridge)"); + +/* + * Only probe "regular" interrupts, don't + * touch dangerous spots like the mouse irq, + * because there are mice that apparently + * get really confused if they get fondled + * too intimately. + * + * Default to 11, 10, 9, 7, 6, 5, 4, 3. + */ +static u32 isa_interrupts = 0x0ef8; + + #define debug(x, s, args...) dev_dbg(&s->dev->dev, x, ##args) /* Don't ask.. */ @@ -49,6 +65,8 @@ MODULE_PARM_DESC(pwr_irqs_off, "Force IRQs off during power-on of slot. Use only */ #ifdef CONFIG_YENTA_TI static int yenta_probe_cb_irq(struct yenta_socket *socket); +static unsigned int yenta_probe_irq(struct yenta_socket *socket, + u32 isa_irq_mask); #endif @@ -324,8 +342,8 @@ static int yenta_set_socket(struct pcmcia_socket *sock, socket_state_t *state) /* ISA interrupt control? */ intr = exca_readb(socket, I365_INTCTL); intr = (intr & ~0xf); - if (!socket->cb_irq) { - intr |= state->io_irq; + if (!socket->dev->irq) { + intr |= socket->cb_irq ? socket->cb_irq : state->io_irq; bridge |= CB_BRIDGE_INTR; } exca_writeb(socket, I365_INTCTL, intr); @@ -335,7 +353,7 @@ static int yenta_set_socket(struct pcmcia_socket *sock, socket_state_t *state) reg = exca_readb(socket, I365_INTCTL) & (I365_RING_ENA | I365_INTR_ENA); reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET; reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0; - if (state->io_irq != socket->cb_irq) { + if (state->io_irq != socket->dev->irq) { reg |= state->io_irq; bridge |= CB_BRIDGE_INTR; } @@ -351,7 +369,9 @@ static int yenta_set_socket(struct pcmcia_socket *sock, socket_state_t *state) exca_writeb(socket, I365_POWER, reg); /* CSC interrupt: no ISA irq for CSC */ - reg = I365_CSC_DETECT; + reg = exca_readb(socket, I365_CSCINT); + reg &= I365_CSC_IRQ_MASK; + reg |= I365_CSC_DETECT; if (state->flags & SS_IOCARD) { if (state->csc_mask & SS_STSCHG) reg |= I365_CSC_STSCHG; @@ -425,7 +445,7 @@ static int yenta_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map * unsigned int start, stop, card_start; unsigned short word; - pcibios_resource_to_bus(socket->dev, ®ion, mem->res); + pcibios_resource_to_bus(socket->dev->bus, ®ion, mem->res); map = mem->map; start = region.start; @@ -649,9 +669,10 @@ static int yenta_search_one_res(struct resource *root, struct resource *res, static int yenta_search_res(struct yenta_socket *socket, struct resource *res, u32 min) { + struct resource *root; int i; - for (i = 0; i < PCI_BUS_NUM_RESOURCES; i++) { - struct resource *root = socket->dev->bus->resource[i]; + + pci_bus_for_each_resource(socket->dev->bus, root, i) { if (!root) continue; @@ -688,7 +709,7 @@ static int yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type region.start = config_readl(socket, addr_start) & mask; region.end = config_readl(socket, addr_end) | ~mask; if (region.start && region.end > region.start && !override_bios) { - pcibios_bus_to_resource(dev, res, ®ion); + pcibios_bus_to_resource(dev->bus, res, ®ion); if (pci_claim_resource(dev, PCI_BRIDGE_RESOURCES + nr) == 0) return 0; dev_printk(KERN_INFO, &dev->dev, @@ -762,7 +783,7 @@ static void yenta_free_resources(struct yenta_socket *socket) /* * Close it down - release our resources and go home.. */ -static void __devexit yenta_close(struct pci_dev *dev) +static void yenta_close(struct pci_dev *dev) { struct yenta_socket *sock = pci_get_drvdata(dev); @@ -857,6 +878,12 @@ static struct cardbus_type cardbus_type[] = { .restore_state = ti_restore_state, .sock_init = ti_init, }, + [CARDBUS_TYPE_ENE] = { + .override = ene_override, + .save_state = ti_save_state, + .restore_state = ti_restore_state, + .sock_init = ti_init, + }, #endif #ifdef CONFIG_YENTA_RICOH [CARDBUS_TYPE_RICOH] = { @@ -879,33 +906,15 @@ static struct cardbus_type cardbus_type[] = { .restore_state = o2micro_restore_state, }, #endif -#ifdef CONFIG_YENTA_TI - [CARDBUS_TYPE_ENE] = { - .override = ene_override, - .save_state = ti_save_state, - .restore_state = ti_restore_state, - .sock_init = ti_init, - }, -#endif }; -/* - * Only probe "regular" interrupts, don't - * touch dangerous spots like the mouse irq, - * because there are mice that apparently - * get really confused if they get fondled - * too intimately. - * - * Default to 11, 10, 9, 7, 6, 5, 4, 3. - */ -static u32 isa_interrupts = 0x0ef8; - static unsigned int yenta_probe_irq(struct yenta_socket *socket, u32 isa_irq_mask) { int i; unsigned long val; u32 mask; + u8 reg; /* * Probe for usable interrupts using the force @@ -913,6 +922,7 @@ static unsigned int yenta_probe_irq(struct yenta_socket *socket, u32 isa_irq_mas */ cb_writel(socket, CB_SOCKET_EVENT, -1); cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK); + reg = exca_readb(socket, I365_CSCINT); exca_writeb(socket, I365_CSCINT, 0); val = probe_irq_on() & isa_irq_mask; for (i = 1; i < 16; i++) { @@ -924,7 +934,7 @@ static unsigned int yenta_probe_irq(struct yenta_socket *socket, u32 isa_irq_mas cb_writel(socket, CB_SOCKET_EVENT, -1); } cb_writel(socket, CB_SOCKET_MASK, 0); - exca_writeb(socket, I365_CSCINT, 0); + exca_writeb(socket, I365_CSCINT, reg); mask = probe_irq_mask(val) & 0xffff; @@ -961,6 +971,8 @@ static irqreturn_t yenta_probe_handler(int irq, void *dev_id) /* probes the PCI interrupt, use only on override functions */ static int yenta_probe_cb_irq(struct yenta_socket *socket) { + u8 reg = 0; + if (!socket->cb_irq) return -1; @@ -973,7 +985,9 @@ static int yenta_probe_cb_irq(struct yenta_socket *socket) } /* generate interrupt, wait */ - exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG); + if (!socket->dev->irq) + reg = exca_readb(socket, I365_CSCINT); + exca_writeb(socket, I365_CSCINT, reg | I365_CSC_STSCHG); cb_writel(socket, CB_SOCKET_EVENT, -1); cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK); cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS); @@ -982,7 +996,7 @@ static int yenta_probe_cb_irq(struct yenta_socket *socket) /* disable interrupts */ cb_writel(socket, CB_SOCKET_MASK, 0); - exca_writeb(socket, I365_CSCINT, 0); + exca_writeb(socket, I365_CSCINT, reg); cb_writel(socket, CB_SOCKET_EVENT, -1); exca_readb(socket, I365_CSC); @@ -1019,7 +1033,7 @@ static void yenta_config_init(struct yenta_socket *socket) struct pci_dev *dev = socket->dev; struct pci_bus_region region; - pcibios_resource_to_bus(socket->dev, ®ion, &dev->resource[0]); + pcibios_resource_to_bus(socket->dev->bus, ®ion, &dev->resource[0]); config_writel(socket, CB_LEGACY_MODE_BASE, 0); config_writel(socket, PCI_BASE_ADDRESS_0, region.start); @@ -1034,8 +1048,8 @@ static void yenta_config_init(struct yenta_socket *socket) config_writeb(socket, PCI_LATENCY_TIMER, 168); config_writel(socket, PCI_PRIMARY_BUS, (176 << 24) | /* sec. latency timer */ - (dev->subordinate->subordinate << 16) | /* subordinate bus */ - (dev->subordinate->secondary << 8) | /* secondary bus */ + ((unsigned int)dev->subordinate->busn_res.end << 16) | /* subordinate bus */ + ((unsigned int)dev->subordinate->busn_res.start << 8) | /* secondary bus */ dev->subordinate->primary); /* primary bus */ /* @@ -1058,11 +1072,11 @@ static void yenta_config_init(struct yenta_socket *socket) * invisible during PCI scans because of a misconfigured subordinate number * of the parent brige - some BIOSes seem to be too lazy to set it right. * Does the fixup carefully by checking how far it can go without conflicts. - * See http\://bugzilla.kernel.org/show_bug.cgi?id=2944 for more information. + * See http://bugzilla.kernel.org/show_bug.cgi?id=2944 for more information. */ static void yenta_fixup_parent_bridge(struct pci_bus *cardbus_bridge) { - struct list_head *tmp; + struct pci_bus *sibling; unsigned char upper_limit; /* * We only check and fix the parent bridge: All systems which need @@ -1072,54 +1086,54 @@ static void yenta_fixup_parent_bridge(struct pci_bus *cardbus_bridge) struct pci_bus *bridge_to_fix = cardbus_bridge->parent; /* Check bus numbers are already set up correctly: */ - if (bridge_to_fix->subordinate >= cardbus_bridge->subordinate) + if (bridge_to_fix->busn_res.end >= cardbus_bridge->busn_res.end) return; /* The subordinate number is ok, nothing to do */ if (!bridge_to_fix->parent) return; /* Root bridges are ok */ /* stay within the limits of the bus range of the parent: */ - upper_limit = bridge_to_fix->parent->subordinate; + upper_limit = bridge_to_fix->parent->busn_res.end; - /* check the bus ranges of all silbling bridges to prevent overlap */ - list_for_each(tmp, &bridge_to_fix->parent->children) { - struct pci_bus *silbling = pci_bus_b(tmp); + /* check the bus ranges of all sibling bridges to prevent overlap */ + list_for_each_entry(sibling, &bridge_to_fix->parent->children, + node) { /* - * If the silbling has a higher secondary bus number + * If the sibling has a higher secondary bus number * and it's secondary is equal or smaller than our * current upper limit, set the new upper limit to - * the bus number below the silbling's range: + * the bus number below the sibling's range: */ - if (silbling->secondary > bridge_to_fix->subordinate - && silbling->secondary <= upper_limit) - upper_limit = silbling->secondary - 1; + if (sibling->busn_res.start > bridge_to_fix->busn_res.end + && sibling->busn_res.start <= upper_limit) + upper_limit = sibling->busn_res.start - 1; } /* Show that the wanted subordinate number is not possible: */ - if (cardbus_bridge->subordinate > upper_limit) + if (cardbus_bridge->busn_res.end > upper_limit) dev_printk(KERN_WARNING, &cardbus_bridge->dev, "Upper limit for fixing this " "bridge's parent bridge: #%02x\n", upper_limit); /* If we have room to increase the bridge's subordinate number, */ - if (bridge_to_fix->subordinate < upper_limit) { + if (bridge_to_fix->busn_res.end < upper_limit) { /* use the highest number of the hidden bus, within limits */ unsigned char subordinate_to_assign = - min(cardbus_bridge->subordinate, upper_limit); + min_t(int, cardbus_bridge->busn_res.end, upper_limit); dev_printk(KERN_INFO, &bridge_to_fix->dev, "Raising subordinate bus# of parent " "bus (#%02x) from #%02x to #%02x\n", bridge_to_fix->number, - bridge_to_fix->subordinate, subordinate_to_assign); + (int)bridge_to_fix->busn_res.end, subordinate_to_assign); /* Save the new subordinate in the bus struct of the bridge */ - bridge_to_fix->subordinate = subordinate_to_assign; + bridge_to_fix->busn_res.end = subordinate_to_assign; /* and update the PCI config space with the new subordinate */ pci_write_config_byte(bridge_to_fix->self, - PCI_SUBORDINATE_BUS, bridge_to_fix->subordinate); + PCI_SUBORDINATE_BUS, bridge_to_fix->busn_res.end); } } @@ -1128,7 +1142,7 @@ static void yenta_fixup_parent_bridge(struct pci_bus *cardbus_bridge) * interrupt, and that we can map the cardbus area. Fill in the * socket information structure.. */ -static int __devinit yenta_probe(struct pci_dev *dev, const struct pci_device_id *id) +static int yenta_probe(struct pci_dev *dev, const struct pci_device_id *id) { struct yenta_socket *socket; int ret; @@ -1274,12 +1288,9 @@ static int yenta_dev_suspend_noirq(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); struct yenta_socket *socket = pci_get_drvdata(pdev); - int ret; - - ret = pcmcia_socket_dev_suspend(dev); if (!socket) - return ret; + return 0; if (socket->type && socket->type->save_state) socket->type->save_state(socket); @@ -1289,14 +1300,7 @@ static int yenta_dev_suspend_noirq(struct device *dev) pci_read_config_dword(pdev, 17*4, &socket->saved_state[1]); pci_disable_device(pdev); - /* - * Some laptops (IBM T22) do not like us putting the Cardbus - * bridge into D3. At a guess, some other laptop will - * probably require this, so leave it commented out for now. - */ - /* pci_set_power_state(dev, 3); */ - - return ret; + return 0; } static int yenta_dev_resume_noirq(struct device *dev) @@ -1320,26 +1324,16 @@ static int yenta_dev_resume_noirq(struct device *dev) if (socket->type && socket->type->restore_state) socket->type->restore_state(socket); - pcmcia_socket_dev_early_resume(dev); - return 0; -} - -static int yenta_dev_resume(struct device *dev) -{ - pcmcia_socket_dev_late_resume(dev); return 0; } static const struct dev_pm_ops yenta_pm_ops = { .suspend_noirq = yenta_dev_suspend_noirq, .resume_noirq = yenta_dev_resume_noirq, - .resume = yenta_dev_resume, .freeze_noirq = yenta_dev_suspend_noirq, .thaw_noirq = yenta_dev_resume_noirq, - .thaw = yenta_dev_resume, .poweroff_noirq = yenta_dev_suspend_noirq, .restore_noirq = yenta_dev_resume_noirq, - .restore = yenta_dev_resume, }; #define YENTA_PM_OPS (¥ta_pm_ops) @@ -1358,7 +1352,7 @@ static const struct dev_pm_ops yenta_pm_ops = { .driver_data = CARDBUS_TYPE_##type, \ } -static struct pci_device_id yenta_table[] = { +static DEFINE_PCI_DEVICE_TABLE(yenta_table) = { CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1031, TI), /* @@ -1402,10 +1396,10 @@ static struct pci_device_id yenta_table[] = { CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7510, TI12XX), CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7610, TI12XX), - CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_710, TI12XX), - CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_712, TI12XX), - CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_720, TI12XX), - CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_722, TI12XX), + CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_710, ENE), + CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_712, ENE), + CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_720, ENE), + CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_722, ENE), CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1211, ENE), CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1225, ENE), CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1410, ENE), @@ -1441,24 +1435,10 @@ static struct pci_driver yenta_cardbus_driver = { .name = "yenta_cardbus", .id_table = yenta_table, .probe = yenta_probe, - .remove = __devexit_p(yenta_close), + .remove = yenta_close, .driver.pm = YENTA_PM_OPS, }; - -static int __init yenta_socket_init(void) -{ - return pci_register_driver(¥ta_cardbus_driver); -} - - -static void __exit yenta_socket_exit(void) -{ - pci_unregister_driver(¥ta_cardbus_driver); -} - - -module_init(yenta_socket_init); -module_exit(yenta_socket_exit); +module_pci_driver(yenta_cardbus_driver); MODULE_LICENSE("GPL"); |