diff options
Diffstat (limited to 'drivers/pcmcia')
31 files changed, 603 insertions, 273 deletions
diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig index c988514eb55..c80a7a6e769 100644 --- a/drivers/pcmcia/Kconfig +++ b/drivers/pcmcia/Kconfig @@ -215,7 +215,7 @@ config PCMCIA_PXA2XX depends on (ARCH_LUBBOCK || MACH_MAINSTONE || PXA_SHARPSL \ || MACH_ARMCORE || ARCH_PXA_PALM || TRIZEPS_PCMCIA \ || ARCOM_PCMCIA || ARCH_PXA_ESERIES || MACH_STARGATE2 \ - || MACH_VPAC270) + || MACH_VPAC270 || MACH_BALLOON3) select PCMCIA_SOC_COMMON help Say Y here to include support for the PXA2xx PCMCIA controller diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile index 7a2b1604bf1..8d9386a22eb 100644 --- a/drivers/pcmcia/Makefile +++ b/drivers/pcmcia/Makefile @@ -69,6 +69,7 @@ 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-$(CONFIG_MACH_BALLOON3) += pxa2xx_balloon3.o obj-$(CONFIG_PCMCIA_PXA2XX) += pxa2xx_base.o $(pxa2xx-obj-y) diff --git a/drivers/pcmcia/au1000_generic.c b/drivers/pcmcia/au1000_generic.c index 88c4c409878..95dd7c62741 100644 --- a/drivers/pcmcia/au1000_generic.c +++ b/drivers/pcmcia/au1000_generic.c @@ -441,14 +441,12 @@ int au1x00_pcmcia_socket_probe(struct device *dev, struct pcmcia_low_level *ops, 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; @@ -480,7 +478,6 @@ int au1x00_drv_pcmcia_remove(struct platform_device *dev) 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); diff --git a/drivers/pcmcia/au1000_generic.h b/drivers/pcmcia/au1000_generic.h index 67530cefcf3..5c36bda2963 100644 --- a/drivers/pcmcia/au1000_generic.h +++ b/drivers/pcmcia/au1000_generic.h @@ -23,7 +23,6 @@ /* include the world */ -#include <pcmcia/cs.h> #include <pcmcia/ss.h> #include <pcmcia/cistpl.h> #include "cs_internal.h" diff --git a/drivers/pcmcia/au1000_pb1x00.c b/drivers/pcmcia/au1000_pb1x00.c index 807f2d75dad..b2396647a16 100644 --- a/drivers/pcmcia/au1000_pb1x00.c +++ b/drivers/pcmcia/au1000_pb1x00.c @@ -31,7 +31,6 @@ #include <linux/proc_fs.h> #include <linux/types.h> -#include <pcmcia/cs.h> #include <pcmcia/ss.h> #include <pcmcia/cistpl.h> diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c index 91414a0ddc4..884a984216f 100644 --- a/drivers/pcmcia/cistpl.c +++ b/drivers/pcmcia/cistpl.c @@ -28,7 +28,6 @@ #include <asm/unaligned.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include <pcmcia/cisreg.h> #include <pcmcia/cistpl.h> #include "cs_internal.h" diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c index 2ec8ac97445..d9ea192c400 100644 --- a/drivers/pcmcia/cs.c +++ b/drivers/pcmcia/cs.c @@ -33,7 +33,6 @@ #include <asm/irq.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include <pcmcia/cisreg.h> #include <pcmcia/ds.h> @@ -845,7 +844,7 @@ static int pcmcia_socket_dev_resume_noirq(struct device *dev) return __pcmcia_pm_op(dev, socket_early_resume); } -static int pcmcia_socket_dev_resume(struct device *dev) +static int __used pcmcia_socket_dev_resume(struct device *dev) { return __pcmcia_pm_op(dev, socket_late_resume); } diff --git a/drivers/pcmcia/cs_internal.h b/drivers/pcmcia/cs_internal.h index da055dc14d9..7f1953f78b1 100644 --- a/drivers/pcmcia/cs_internal.h +++ b/drivers/pcmcia/cs_internal.h @@ -33,18 +33,9 @@ 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; struct resource io[MAX_IO_WIN]; /* io ports */ struct resource mem[MAX_WIN]; /* mem areas */ - - struct { - u_int Attributes; - } irq; } config_t; diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 55570d9e1e4..100c4412457 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -26,7 +26,6 @@ #include <linux/dma-mapping.h> #include <linux/slab.h> -#include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include <pcmcia/ds.h> #include <pcmcia/ss.h> @@ -52,7 +51,7 @@ static void pcmcia_check_driver(struct pcmcia_driver *p_drv) 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++) { @@ -65,7 +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 " @@ -180,10 +179,11 @@ int pcmcia_register_driver(struct pcmcia_driver *driver) /* initialize common fields */ driver->drv.bus = &pcmcia_bus_type; driver->drv.owner = driver->owner; + 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) @@ -203,7 +203,7 @@ 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); driver_unregister(&driver->drv); pcmcia_free_dynids(driver); } @@ -264,7 +264,7 @@ static int pcmcia_device_probe(struct device *dev) p_drv = to_pcmcia_drv(dev->driver); s = p_dev->socket; - 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))) { @@ -276,21 +276,28 @@ 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; } + 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) && @@ -374,13 +381,13 @@ static int pcmcia_device_remove(struct device *dev) 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); @@ -1136,7 +1143,7 @@ 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); @@ -1178,7 +1185,7 @@ 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; } diff --git a/drivers/pcmcia/electra_cf.c b/drivers/pcmcia/electra_cf.c index f94d8281cfb..546d3024b6f 100644 --- a/drivers/pcmcia/electra_cf.c +++ b/drivers/pcmcia/electra_cf.c @@ -44,7 +44,7 @@ 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; @@ -181,7 +181,7 @@ 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, +static int __devinit electra_cf_probe(struct platform_device *ofdev, const struct of_device_id *match) { struct device *device = &ofdev->dev; @@ -325,7 +325,7 @@ fail1: } -static int __devexit electra_cf_remove(struct of_device *ofdev) +static int __devexit electra_cf_remove(struct platform_device *ofdev) { struct device *device = &ofdev->dev; struct electra_cf_socket *cf; diff --git a/drivers/pcmcia/i82092.c b/drivers/pcmcia/i82092.c index 05d0879ce93..fc7906eaf22 100644 --- a/drivers/pcmcia/i82092.c +++ b/drivers/pcmcia/i82092.c @@ -16,7 +16,6 @@ #include <linux/device.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include <asm/system.h> #include <asm/io.h> diff --git a/drivers/pcmcia/i82365.c b/drivers/pcmcia/i82365.c index 61746bd598b..72a033a2acd 100644 --- a/drivers/pcmcia/i82365.c +++ b/drivers/pcmcia/i82365.c @@ -51,7 +51,6 @@ #include <asm/system.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include <linux/isapnp.h> diff --git a/drivers/pcmcia/m32r_cfc.c b/drivers/pcmcia/m32r_cfc.c index 24de4992586..2adb0106a03 100644 --- a/drivers/pcmcia/m32r_cfc.c +++ b/drivers/pcmcia/m32r_cfc.c @@ -27,7 +27,6 @@ #include <asm/system.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #undef MAX_IO_WIN /* FIXME */ #define MAX_IO_WIN 1 diff --git a/drivers/pcmcia/m32r_pcc.c b/drivers/pcmcia/m32r_pcc.c index 8e4723844ad..1511ff71c87 100644 --- a/drivers/pcmcia/m32r_pcc.c +++ b/drivers/pcmcia/m32r_pcc.c @@ -28,7 +28,6 @@ #include <asm/addrspace.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> /* XXX: should be moved into asm/irq.h */ #define PCC0_IRQ 24 diff --git a/drivers/pcmcia/m8xx_pcmcia.c b/drivers/pcmcia/m8xx_pcmcia.c index f2f90a7d3e1..99d4f23cb43 100644 --- a/drivers/pcmcia/m8xx_pcmcia.c +++ b/drivers/pcmcia/m8xx_pcmcia.c @@ -59,7 +59,6 @@ #include <asm/irq.h> #include <asm/fs_pd.h> -#include <pcmcia/cs.h> #include <pcmcia/ss.h> #define pcmcia_info(args...) printk(KERN_INFO "m8xx_pcmcia: "args) @@ -1149,7 +1148,7 @@ static struct pccard_operations m8xx_services = { .set_mem_map = m8xx_set_mem_map, }; -static int __init m8xx_probe(struct of_device *ofdev, +static int __init m8xx_probe(struct platform_device *ofdev, const struct of_device_id *match) { struct pcmcia_win *w; @@ -1249,7 +1248,7 @@ 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; diff --git a/drivers/pcmcia/o2micro.h b/drivers/pcmcia/o2micro.h index e74bebac269..5096e92c7a4 100644 --- a/drivers/pcmcia/o2micro.h +++ b/drivers/pcmcia/o2micro.h @@ -153,14 +153,14 @@ static int o2micro_override(struct yenta_socket *socket) if (use_speedup) { dev_info(&socket->dev->dev, - "O2: enabling read prefetch/write burst\n"); + "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\n"); + "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)); config_writeb(socket, O2_RESERVED2, diff --git a/drivers/pcmcia/pcmcia_cis.c b/drivers/pcmcia/pcmcia_cis.c index 0ac54da1588..e2c92415b89 100644 --- a/drivers/pcmcia/pcmcia_cis.c +++ b/drivers/pcmcia/pcmcia_cis.c @@ -6,7 +6,7 @@ * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. * * Copyright (C) 1999 David A. Hinds - * Copyright (C) 2004-2009 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 @@ -22,7 +22,6 @@ #include <pcmcia/cisreg.h> #include <pcmcia/cistpl.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include <pcmcia/ds.h> #include "cs_internal.h" @@ -126,14 +125,24 @@ next_entry: 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; - 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; }; @@ -147,25 +156,102 @@ 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; + 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->conf.ConfigIndex = cfg->index; + cfg_mem->p_dev->config_index = 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); + /* 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, the CIS data - * describing the configuration option, and private data + * 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. * @@ -175,9 +261,6 @@ static int pcmcia_do_loop_config(tuple_t *tuple, cisparse_t *parse, void *priv) */ 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) { diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c index 54aa1c238cb..0bdda5b3ed5 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 @@ -26,7 +26,6 @@ #include <asm/irq.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include <pcmcia/cisreg.h> #include <pcmcia/ds.h> @@ -56,6 +55,12 @@ struct resource *pcmcia_find_mem_region(u_long base, u_long num, u_long align, } +/** + * release_io_space() - release IO ports allocated with alloc_io_space() + * @s: pcmcia socket + * @res: resource to release + * + */ static void release_io_space(struct pcmcia_socket *s, struct resource *res) { resource_size_t num = resource_size(res); @@ -81,9 +86,14 @@ static void release_io_space(struct pcmcia_socket *s, struct resource *res) } } } -} /* release_io_space */ +} + -/** alloc_io_space +/** + * 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 * * Special stuff for managing IO windows, because they are scarce */ @@ -135,7 +145,7 @@ static int alloc_io_space(struct pcmcia_socket *s, struct resource *res, } dev_dbg(&s->dev, "alloc_io_space request result %d: %pR\n", ret, res); return ret; -} /* alloc_io_space */ +} /** @@ -163,19 +173,19 @@ static int pcmcia_access_config(struct pcmcia_device *p_dev, 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 isnt't locked\n"); mutex_unlock(&s->ops_mutex); return -EACCES; } - addr = (c->ConfigBase + where) >> 1; + addr = (p_dev->config_base + where) >> 1; ret = accessf(s, 1, addr, 1, val); mutex_unlock(&s->ops_mutex); return ret; -} /* pcmcia_access_config */ +} /** @@ -204,11 +214,20 @@ int pcmcia_write_config_byte(struct pcmcia_device *p_dev, off_t where, u8 val) EXPORT_SYMBOL(pcmcia_write_config_byte); -int pcmcia_map_mem_page(struct pcmcia_device *p_dev, window_handle_t wh, +/** + * 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; - struct resource *res = wh; unsigned int w; int ret; @@ -220,99 +239,114 @@ int pcmcia_map_mem_page(struct pcmcia_device *p_dev, window_handle_t wh, s->win[w].card_start = offset; ret = s->ops->set_mem_map(s, &s->win[w]); if (ret) - dev_warn(&s->dev, "failed to set_mem_map\n"); + dev_warn(&p_dev->dev, "failed to set_mem_map\n"); mutex_unlock(&s->ops_mutex); return ret; -} /* pcmcia_map_mem_page */ +} 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; - int ret; - - s = p_dev->socket; + 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; mutex_lock(&s->ops_mutex); - c = p_dev->function_config; - if (!(s->state & SOCKET_PRESENT)) { - dev_dbg(&s->dev, "No card present\n"); - ret = -ENODEV; - goto unlock; - } - if (!(c->state & CONFIG_LOCKED)) { - dev_dbg(&s->dev, "Configuration isnt't locked\n"); + dev_dbg(&p_dev->dev, "fixup iowidth to 8bit\n"); + + 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_IRQ_CHANGE_VALID | CONF_VCC_CHANGE_VALID)) { - dev_dbg(&s->dev, - "changing Vcc or IRQ is not allowed at this time\n"); - ret = -EINVAL; - goto unlock; - } + 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; - /* 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"); - ret = -EINVAL; - goto unlock; - } - s->socket.Vpp = mod->Vpp1; - if (s->ops->set_socket(s, &s->socket)) { - dev_printk(KERN_WARNING, &s->dev, - "Unable to set VPP\n"); - ret = -EIO; - goto unlock; - } - } else if ((mod->Attributes & CONF_VPP1_CHANGE_VALID) || - (mod->Attributes & CONF_VPP2_CHANGE_VALID)) { - dev_dbg(&s->dev, "changing Vcc is not allowed |