diff options
Diffstat (limited to 'drivers/ide')
46 files changed, 2060 insertions, 1876 deletions
diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig index e072903b12f..640c9920724 100644 --- a/drivers/ide/Kconfig +++ b/drivers/ide/Kconfig @@ -56,8 +56,12 @@ if IDE comment "Please see Documentation/ide/ide.txt for help/info on IDE drives" +config IDE_XFER_MODE + bool + config IDE_TIMINGS bool + select IDE_XFER_MODE config IDE_ATAPI bool @@ -698,6 +702,7 @@ config BLK_DEV_IDE_PMAC_ATA100FIRST config BLK_DEV_IDE_AU1XXX bool "IDE for AMD Alchemy Au1200" depends on SOC_AU1200 + select IDE_XFER_MODE choice prompt "IDE Mode for AMD Alchemy Au1200" default CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA @@ -721,6 +726,11 @@ config BLK_DEV_IDE_TX4939 depends on SOC_TX4939 select BLK_DEV_IDEDMA_SFF +config BLK_DEV_IDE_AT91 + tristate "Atmel AT91 (SAM9, CAP9, AT572D940HF) IDE support" + depends on ARM && ARCH_AT91 && !ARCH_AT91RM9200 && !ARCH_AT91X40 + select IDE_TIMINGS + config IDE_ARM tristate "ARM IDE support" depends on ARM && (ARCH_RPC || ARCH_SHARK) @@ -866,6 +876,7 @@ config BLK_DEV_ALI14XX config BLK_DEV_DTC2278 tristate "DTC-2278 support" + select IDE_XFER_MODE select IDE_LEGACY help This driver is enabled at runtime using the "dtc2278.probe" kernel @@ -897,6 +908,7 @@ config BLK_DEV_QD65XX config BLK_DEV_UMC8672 tristate "UMC-8672 support" + select IDE_XFER_MODE select IDE_LEGACY help This driver is enabled at runtime using the "umc8672.probe" kernel @@ -910,5 +922,6 @@ endif config BLK_DEV_IDEDMA def_bool BLK_DEV_IDEDMA_SFF || \ BLK_DEV_IDEDMA_ICS || BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA + select IDE_XFER_MODE endif # IDE diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile index d0e3d7d5b46..9b4bbe1cdc1 100644 --- a/drivers/ide/Makefile +++ b/drivers/ide/Makefile @@ -5,9 +5,11 @@ EXTRA_CFLAGS += -Idrivers/ide ide-core-y += ide.o ide-ioctls.o ide-io.o ide-iops.o ide-lib.o ide-probe.o \ - ide-taskfile.o ide-pm.o ide-park.o ide-pio-blacklist.o ide-sysfs.o + ide-taskfile.o ide-pm.o ide-park.o ide-sysfs.o ide-devsets.o \ + ide-io-std.o ide-eh.o # core IDE code +ide-core-$(CONFIG_IDE_XFER_MODE) += ide-pio-blacklist.o ide-xfer-mode.o ide-core-$(CONFIG_IDE_TIMINGS) += ide-timings.o ide-core-$(CONFIG_IDE_ATAPI) += ide-atapi.o ide-core-$(CONFIG_BLK_DEV_IDEPCI) += setup-pci.o @@ -116,3 +118,4 @@ obj-$(CONFIG_BLK_DEV_IDE_AU1XXX) += au1xxx-ide.o obj-$(CONFIG_BLK_DEV_IDE_TX4938) += tx4938ide.o obj-$(CONFIG_BLK_DEV_IDE_TX4939) += tx4939ide.o +obj-$(CONFIG_BLK_DEV_IDE_AT91) += at91_ide.o diff --git a/drivers/ide/aec62xx.c b/drivers/ide/aec62xx.c index 4485b9c6f0e..878f8ec6dbe 100644 --- a/drivers/ide/aec62xx.c +++ b/drivers/ide/aec62xx.c @@ -139,7 +139,7 @@ static void aec_set_pio_mode(ide_drive_t *drive, const u8 pio) drive->hwif->port_ops->set_dma_mode(drive, pio + XFER_PIO_0); } -static unsigned int init_chipset_aec62xx(struct pci_dev *dev) +static int init_chipset_aec62xx(struct pci_dev *dev) { /* These are necessary to get AEC6280 Macintosh cards to work */ if ((dev->device == PCI_DEVICE_ID_ARTOP_ATP865) || @@ -156,7 +156,7 @@ static unsigned int init_chipset_aec62xx(struct pci_dev *dev) pci_write_config_byte(dev, 0x4a, reg4ah | 0x80); } - return dev->irq; + return 0; } static u8 atp86x_cable_detect(ide_hwif_t *hwif) diff --git a/drivers/ide/alim15x3.c b/drivers/ide/alim15x3.c index 66f43083408..d3513b6b853 100644 --- a/drivers/ide/alim15x3.c +++ b/drivers/ide/alim15x3.c @@ -212,7 +212,7 @@ static int ali15x3_dma_setup(ide_drive_t *drive) * appropriate also sets up the 1533 southbridge. */ -static unsigned int init_chipset_ali15x3(struct pci_dev *dev) +static int init_chipset_ali15x3(struct pci_dev *dev) { unsigned long flags; u8 tmpbyte; diff --git a/drivers/ide/amd74xx.c b/drivers/ide/amd74xx.c index 77267c85996..628cd2e5fed 100644 --- a/drivers/ide/amd74xx.c +++ b/drivers/ide/amd74xx.c @@ -140,7 +140,7 @@ static void amd7411_cable_detect(struct pci_dev *dev) * The initialization callback. Initialize drive independent registers. */ -static unsigned int init_chipset_amd74xx(struct pci_dev *dev) +static int init_chipset_amd74xx(struct pci_dev *dev) { u8 t = 0, offset = amd_offset(dev); @@ -172,7 +172,7 @@ static unsigned int init_chipset_amd74xx(struct pci_dev *dev) t |= 0xf0; pci_write_config_byte(dev, AMD_IDE_CONFIG + offset, t); - return dev->irq; + return 0; } static u8 amd_cable_detect(ide_hwif_t *hwif) @@ -183,14 +183,6 @@ static u8 amd_cable_detect(ide_hwif_t *hwif) return ATA_CBL_PATA40; } -static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif) -{ - struct pci_dev *dev = to_pci_dev(hwif->dev); - - if (hwif->irq == 0) /* 0 is bogus but will do for now */ - hwif->irq = pci_get_legacy_ide_irq(dev, hwif->channel); -} - static const struct ide_port_ops amd_port_ops = { .set_pio_mode = amd_set_pio_mode, .set_dma_mode = amd_set_drive, @@ -207,7 +199,6 @@ static const struct ide_port_ops amd_port_ops = { { \ .name = DRV_NAME, \ .init_chipset = init_chipset_amd74xx, \ - .init_hwif = init_hwif_amd74xx, \ .enablebits = {{0x40,0x02,0x02}, {0x40,0x01,0x01}}, \ .port_ops = &amd_port_ops, \ .host_flags = IDE_HFLAGS_AMD, \ @@ -221,7 +212,6 @@ static const struct ide_port_ops amd_port_ops = { { \ .name = DRV_NAME, \ .init_chipset = init_chipset_amd74xx, \ - .init_hwif = init_hwif_amd74xx, \ .enablebits = {{0x50,0x02,0x02}, {0x50,0x01,0x01}}, \ .port_ops = &amd_port_ops, \ .host_flags = IDE_HFLAGS_AMD, \ diff --git a/drivers/ide/at91_ide.c b/drivers/ide/at91_ide.c new file mode 100644 index 00000000000..1bb50f46388 --- /dev/null +++ b/drivers/ide/at91_ide.c @@ -0,0 +1,467 @@ +/* + * IDE host driver for AT91 (SAM9, CAP9, AT572D940HF) Static Memory Controller + * with Compact Flash True IDE logic + * + * Copyright (c) 2008, 2009 Kelvatek Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that 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., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#include <linux/version.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/clk.h> +#include <linux/err.h> +#include <linux/ide.h> +#include <linux/platform_device.h> + +#include <mach/board.h> +#include <mach/gpio.h> +#include <mach/at91sam9263.h> +#include <mach/at91sam9_smc.h> +#include <mach/at91sam9263_matrix.h> + +#define DRV_NAME "at91_ide" + +#define perr(fmt, args...) pr_err(DRV_NAME ": " fmt, ##args) +#define pdbg(fmt, args...) pr_debug("%s " fmt, __func__, ##args) + +/* + * Access to IDE device is possible through EBI Static Memory Controller + * with Compact Flash logic. For details see EBI and SMC datasheet sections + * of any microcontroller from AT91SAM9 family. + * + * Within SMC chip select address space, lines A[23:21] distinguish Compact + * Flash modes (I/O, common memory, attribute memory, True IDE). IDE modes are: + * 0x00c0000 - True IDE + * 0x00e0000 - Alternate True IDE (Alt Status Register) + * + * On True IDE mode Task File and Data Register are mapped at the same address. + * To distinguish access between these two different bus data width is used: + * 8Bit for Task File, 16Bit for Data I/O. + * + * After initialization we do 8/16 bit flipping (changes in SMC MODE register) + * only inside IDE callback routines which are serialized by IDE layer, + * so no additional locking needed. + */ + +#define TASK_FILE 0x00c00000 +#define ALT_MODE 0x00e00000 +#define REGS_SIZE 8 + +#define enter_16bit(cs, mode) do { \ + mode = at91_sys_read(AT91_SMC_MODE(cs)); \ + at91_sys_write(AT91_SMC_MODE(cs), mode | AT91_SMC_DBW_16); \ +} while (0) + +#define leave_16bit(cs, mode) at91_sys_write(AT91_SMC_MODE(cs), mode); + +static void set_smc_timings(const u8 chipselect, const u16 cycle, + const u16 setup, const u16 pulse, + const u16 data_float, int use_iordy) +{ + unsigned long mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | + AT91_SMC_BAT_SELECT; + + /* disable or enable waiting for IORDY signal */ + if (use_iordy) + mode |= AT91_SMC_EXNWMODE_READY; + + /* add data float cycles if needed */ + if (data_float) + mode |= AT91_SMC_TDF_(data_float); + + at91_sys_write(AT91_SMC_MODE(chipselect), mode); + + /* setup timings in SMC */ + at91_sys_write(AT91_SMC_SETUP(chipselect), AT91_SMC_NWESETUP_(setup) | + AT91_SMC_NCS_WRSETUP_(0) | + AT91_SMC_NRDSETUP_(setup) | + AT91_SMC_NCS_RDSETUP_(0)); + at91_sys_write(AT91_SMC_PULSE(chipselect), AT91_SMC_NWEPULSE_(pulse) | + AT91_SMC_NCS_WRPULSE_(cycle) | + AT91_SMC_NRDPULSE_(pulse) | + AT91_SMC_NCS_RDPULSE_(cycle)); + at91_sys_write(AT91_SMC_CYCLE(chipselect), AT91_SMC_NWECYCLE_(cycle) | + AT91_SMC_NRDCYCLE_(cycle)); +} + +static unsigned int calc_mck_cycles(unsigned int ns, unsigned int mck_hz) +{ + u64 tmp = ns; + + tmp *= mck_hz; + tmp += 1000*1000*1000 - 1; /* round up */ + do_div(tmp, 1000*1000*1000); + return (unsigned int) tmp; +} + +static void apply_timings(const u8 chipselect, const u8 pio, + const struct ide_timing *timing, int use_iordy) +{ + unsigned int t0, t1, t2, t6z; + unsigned int cycle, setup, pulse, data_float; + unsigned int mck_hz; + struct clk *mck; + + /* see table 22 of Compact Flash standard 4.1 for the meaning, + * we do not stretch active (t2) time, so setup (t1) + hold time (th) + * assure at least minimal recovery (t2i) time */ + t0 = timing->cyc8b; + t1 = timing->setup; + t2 = timing->act8b; + t6z = (pio < 5) ? 30 : 20; + + pdbg("t0=%u t1=%u t2=%u t6z=%u\n", t0, t1, t2, t6z); + + mck = clk_get(NULL, "mck"); + BUG_ON(IS_ERR(mck)); + mck_hz = clk_get_rate(mck); + pdbg("mck_hz=%u\n", mck_hz); + + cycle = calc_mck_cycles(t0, mck_hz); + setup = calc_mck_cycles(t1, mck_hz); + pulse = calc_mck_cycles(t2, mck_hz); + data_float = calc_mck_cycles(t6z, mck_hz); + + pdbg("cycle=%u setup=%u pulse=%u data_float=%u\n", + cycle, setup, pulse, data_float); + + set_smc_timings(chipselect, cycle, setup, pulse, data_float, use_iordy); +} + +static void at91_ide_input_data(ide_drive_t *drive, struct request *rq, + void *buf, unsigned int len) +{ + ide_hwif_t *hwif = drive->hwif; + struct ide_io_ports *io_ports = &hwif->io_ports; + u8 chipselect = hwif->select_data; + unsigned long mode; + + pdbg("cs %u buf %p len %d\n", chipselect, buf, len); + + len++; + + enter_16bit(chipselect, mode); + __ide_mm_insw((void __iomem *) io_ports->data_addr, buf, len / 2); + leave_16bit(chipselect, mode); +} + +static void at91_ide_output_data(ide_drive_t *drive, struct request *rq, + void *buf, unsigned int len) +{ + ide_hwif_t *hwif = drive->hwif; + struct ide_io_ports *io_ports = &hwif->io_ports; + u8 chipselect = hwif->select_data; + unsigned long mode; + + pdbg("cs %u buf %p len %d\n", chipselect, buf, len); + + enter_16bit(chipselect, mode); + __ide_mm_outsw((void __iomem *) io_ports->data_addr, buf, len / 2); + leave_16bit(chipselect, mode); +} + +static u8 ide_mm_inb(unsigned long port) +{ + return readb((void __iomem *) port); +} + +static void ide_mm_outb(u8 value, unsigned long port) +{ + writeb(value, (void __iomem *) port); +} + +static void at91_ide_tf_load(ide_drive_t *drive, ide_task_t *task) +{ + ide_hwif_t *hwif = drive->hwif; + struct ide_io_ports *io_ports = &hwif->io_ports; + struct ide_taskfile *tf = &task->tf; + u8 HIHI = (task->tf_flags & IDE_TFLAG_LBA48) ? 0xE0 : 0xEF; + + if (task->tf_flags & IDE_TFLAG_FLAGGED) + HIHI = 0xFF; + + if (task->tf_flags & IDE_TFLAG_OUT_DATA) { + u16 data = (tf->hob_data << 8) | tf->data; + + at91_ide_output_data(drive, NULL, &data, 2); + } + + if (task->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE) + ide_mm_outb(tf->hob_feature, io_ports->feature_addr); + if (task->tf_flags & IDE_TFLAG_OUT_HOB_NSECT) + ide_mm_outb(tf->hob_nsect, io_ports->nsect_addr); + if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAL) + ide_mm_outb(tf->hob_lbal, io_ports->lbal_addr); + if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAM) + ide_mm_outb(tf->hob_lbam, io_ports->lbam_addr); + if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAH) + ide_mm_outb(tf->hob_lbah, io_ports->lbah_addr); + + if (task->tf_flags & IDE_TFLAG_OUT_FEATURE) + ide_mm_outb(tf->feature, io_ports->feature_addr); + if (task->tf_flags & IDE_TFLAG_OUT_NSECT) + ide_mm_outb(tf->nsect, io_ports->nsect_addr); + if (task->tf_flags & IDE_TFLAG_OUT_LBAL) + ide_mm_outb(tf->lbal, io_ports->lbal_addr); + if (task->tf_flags & IDE_TFLAG_OUT_LBAM) + ide_mm_outb(tf->lbam, io_ports->lbam_addr); + if (task->tf_flags & IDE_TFLAG_OUT_LBAH) + ide_mm_outb(tf->lbah, io_ports->lbah_addr); + + if (task->tf_flags & IDE_TFLAG_OUT_DEVICE) + ide_mm_outb((tf->device & HIHI) | drive->select, io_ports->device_addr); +} + +static void at91_ide_tf_read(ide_drive_t *drive, ide_task_t *task) +{ + ide_hwif_t *hwif = drive->hwif; + struct ide_io_ports *io_ports = &hwif->io_ports; + struct ide_taskfile *tf = &task->tf; + + if (task->tf_flags & IDE_TFLAG_IN_DATA) { + u16 data; + + at91_ide_input_data(drive, NULL, &data, 2); + tf->data = data & 0xff; + tf->hob_data = (data >> 8) & 0xff; + } + + /* be sure we're looking at the low order bits */ + ide_mm_outb(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr); + + if (task->tf_flags & IDE_TFLAG_IN_FEATURE) + tf->feature = ide_mm_inb(io_ports->feature_addr); + if (task->tf_flags & IDE_TFLAG_IN_NSECT) + tf->nsect = ide_mm_inb(io_ports->nsect_addr); + if (task->tf_flags & IDE_TFLAG_IN_LBAL) + tf->lbal = ide_mm_inb(io_ports->lbal_addr); + if (task->tf_flags & IDE_TFLAG_IN_LBAM) + tf->lbam = ide_mm_inb(io_ports->lbam_addr); + if (task->tf_flags & IDE_TFLAG_IN_LBAH) + tf->lbah = ide_mm_inb(io_ports->lbah_addr); + if (task->tf_flags & IDE_TFLAG_IN_DEVICE) + tf->device = ide_mm_inb(io_ports->device_addr); + + if (task->tf_flags & IDE_TFLAG_LBA48) { + ide_mm_outb(ATA_DEVCTL_OBS | 0x80, io_ports->ctl_addr); + + if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE) + tf->hob_feature = ide_mm_inb(io_ports->feature_addr); + if (task->tf_flags & IDE_TFLAG_IN_HOB_NSECT) + tf->hob_nsect = ide_mm_inb(io_ports->nsect_addr); + if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAL) + tf->hob_lbal = ide_mm_inb(io_ports->lbal_addr); + if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAM) + tf->hob_lbam = ide_mm_inb(io_ports->lbam_addr); + if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAH) + tf->hob_lbah = ide_mm_inb(io_ports->lbah_addr); + } +} + +static void at91_ide_set_pio_mode(ide_drive_t *drive, const u8 pio) +{ + struct ide_timing *timing; + u8 chipselect = drive->hwif->select_data; + int use_iordy = 0; + + pdbg("chipselect %u pio %u\n", chipselect, pio); + + timing = ide_timing_find_mode(XFER_PIO_0 + pio); + BUG_ON(!timing); + + if ((pio > 2 || ata_id_has_iordy(drive->id)) && + !(ata_id_is_cfa(drive->id) && pio > 4)) + use_iordy = 1; + + apply_timings(chipselect, pio, timing, use_iordy); +} + +static const struct ide_tp_ops at91_ide_tp_ops = { + .exec_command = ide_exec_command, + .read_status = ide_read_status, + .read_altstatus = ide_read_altstatus, + .set_irq = ide_set_irq, + + .tf_load = at91_ide_tf_load, + .tf_read = at91_ide_tf_read, + + .input_data = at91_ide_input_data, + .output_data = at91_ide_output_data, +}; + +static const struct ide_port_ops at91_ide_port_ops = { + .set_pio_mode = at91_ide_set_pio_mode, +}; + +static const struct ide_port_info at91_ide_port_info __initdata = { + .port_ops = &at91_ide_port_ops, + .tp_ops = &at91_ide_tp_ops, + .host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA | IDE_HFLAG_SINGLE | + IDE_HFLAG_NO_IO_32BIT | IDE_HFLAG_UNMASK_IRQS, + .pio_mask = ATA_PIO5, +}; + +/* + * If interrupt is delivered through GPIO, IRQ are triggered on falling + * and rising edge of signal. Whereas IDE device request interrupt on high + * level (rising edge in our case). This mean we have fake interrupts, so + * we need to check interrupt pin and exit instantly from ISR when line + * is on low level. + */ + +irqreturn_t at91_irq_handler(int irq, void *dev_id) +{ + int ntries = 8; + int pin_val1, pin_val2; + + /* additional deglitch, line can be noisy in badly designed PCB */ + do { + pin_val1 = at91_get_gpio_value(irq); + pin_val2 = at91_get_gpio_value(irq); + } while (pin_val1 != pin_val2 && --ntries > 0); + + if (pin_val1 == 0 || ntries <= 0) + return IRQ_HANDLED; + + return ide_intr(irq, dev_id); +} + +static int __init at91_ide_probe(struct platform_device *pdev) +{ + int ret; + hw_regs_t hw; + hw_regs_t *hws[] = { &hw, NULL, NULL, NULL }; + struct ide_host *host; + struct resource *res; + unsigned long tf_base = 0, ctl_base = 0; + struct at91_cf_data *board = pdev->dev.platform_data; + + if (!board) + return -ENODEV; + + if (board->det_pin && at91_get_gpio_value(board->det_pin) != 0) { + perr("no device detected\n"); + return -ENODEV; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + perr("can't get memory resource\n"); + return -ENODEV; + } + + if (!devm_request_mem_region(&pdev->dev, res->start + TASK_FILE, + REGS_SIZE, "ide") || + !devm_request_mem_region(&pdev->dev, res->start + ALT_MODE, + REGS_SIZE, "alt")) { + perr("memory resources in use\n"); + return -EBUSY; + } + + pdbg("chipselect %u irq %u res %08lx\n", board->chipselect, + board->irq_pin, (unsigned long) res->start); + + tf_base = (unsigned long) devm_ioremap(&pdev->dev, res->start + TASK_FILE, + REGS_SIZE); + ctl_base = (unsigned long) devm_ioremap(&pdev->dev, res->start + ALT_MODE, + REGS_SIZE); + if (!tf_base || !ctl_base) { + perr("can't map memory regions\n"); + return -EBUSY; + } + + memset(&hw, 0, sizeof(hw)); + + if (board->flags & AT91_IDE_SWAP_A0_A2) { + /* workaround for stupid hardware bug */ + hw.io_ports.data_addr = tf_base + 0; + hw.io_ports.error_addr = tf_base + 4; + hw.io_ports.nsect_addr = tf_base + 2; + hw.io_ports.lbal_addr = tf_base + 6; + hw.io_ports.lbam_addr = tf_base + 1; + hw.io_ports.lbah_addr = tf_base + 5; + hw.io_ports.device_addr = tf_base + 3; + hw.io_ports.command_addr = tf_base + 7; + hw.io_ports.ctl_addr = ctl_base + 3; + } else + ide_std_init_ports(&hw, tf_base, ctl_base + 6); + + hw.irq = board->irq_pin; + hw.chipset = ide_generic; + hw.dev = &pdev->dev; + + host = ide_host_alloc(&at91_ide_port_info, hws); + if (!host) { + perr("failed to allocate ide host\n"); + return -ENOMEM; + } + + /* setup Static Memory Controller - PIO 0 as default */ + apply_timings(board->chipselect, 0, ide_timing_find_mode(XFER_PIO_0), 0); + + /* with GPIO interrupt we have to do quirks in handler */ + if (board->irq_pin >= PIN_BASE) + host->irq_handler = at91_irq_handler; + + host->ports[0]->select_data = board->chipselect; + + ret = ide_host_register(host, &at91_ide_port_info, hws); + if (ret) { + perr("failed to register ide host\n"); + goto err_free_host; + } + platform_set_drvdata(pdev, host); + return 0; + +err_free_host: + ide_host_free(host); + return ret; +} + +static int __exit at91_ide_remove(struct platform_device *pdev) +{ + struct ide_host *host = platform_get_drvdata(pdev); + + ide_host_remove(host); + return 0; +} + +static struct platform_driver at91_ide_driver = { + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + }, + .remove = __exit_p(at91_ide_remove), +}; + +static int __init at91_ide_init(void) +{ + return platform_driver_probe(&at91_ide_driver, at91_ide_probe); +} + +static void __exit at91_ide_exit(void) +{ + platform_driver_unregister(&at91_ide_driver); +} + +module_init(at91_ide_init); +module_exit(at91_ide_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Stanislaw Gruszka <stf_xl@wp.pl>"); + diff --git a/drivers/ide/atiixp.c b/drivers/ide/atiixp.c index ecd1e62ca91..923cbfe259d 100644 --- a/drivers/ide/atiixp.c +++ b/drivers/ide/atiixp.c @@ -142,7 +142,6 @@ static const struct ide_port_info atiixp_pci_info[] __devinitdata = { .name = DRV_NAME, .enablebits = {{0x48,0x01,0x00}, {0x48,0x08,0x00}}, .port_ops = &atiixp_port_ops, - .host_flags = IDE_HFLAG_LEGACY_IRQS, .pio_mask = ATA_PIO4, .mwdma_mask = ATA_MWDMA2, .udma_mask = ATA_UDMA5, @@ -151,7 +150,7 @@ static const struct ide_port_info atiixp_pci_info[] __devinitdata = { .name = DRV_NAME, .enablebits = {{0x48,0x01,0x00}, {0x00,0x00,0x00}}, .port_ops = &atiixp_port_ops, - .host_flags = IDE_HFLAG_SINGLE | IDE_HFLAG_LEGACY_IRQS, + .host_flags = IDE_HFLAG_SINGLE, .pio_mask = ATA_PIO4, .mwdma_mask = ATA_MWDMA2, .udma_mask = ATA_UDMA5, diff --git a/drivers/ide/au1xxx-ide.c b/drivers/ide/au1xxx-ide.c index 79a2dfed8eb..154ec2cf734 100644 --- a/drivers/ide/au1xxx-ide.c +++ b/drivers/ide/au1xxx-ide.c @@ -536,9 +536,8 @@ static const struct ide_port_info au1xxx_port_info = { #endif }; -static int au_ide_probe(struct device *dev) +static int au_ide_probe(struct platform_device *dev) { - struct platform_device *pdev = to_platform_device(dev); _auide_hwif *ahwif = &auide_hwif; struct resource *res; struct ide_host *host; @@ -552,23 +551,23 @@ static int au_ide_probe(struct device *dev) #endif memset(&auide_hwif, 0, sizeof(_auide_hwif)); - ahwif->irq = platform_get_irq(pdev, 0); + ahwif->irq = platform_get_irq(dev, 0); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + res = platform_get_resource(dev, IORESOURCE_MEM, 0); if (res == NULL) { - pr_debug("%s %d: no base address\n", DRV_NAME, pdev->id); + pr_debug("%s %d: no base address\n", DRV_NAME, dev->id); ret = -ENODEV; goto out; } if (ahwif->irq < 0) { - pr_debug("%s %d: no IRQ\n", DRV_NAME, pdev->id); + pr_debug("%s %d: no IRQ\n", DRV_NAME, dev->id); ret = -ENODEV; goto out; } if (!request_mem_region(res->start, res->end - res->start + 1, - pdev->name)) { + dev->name)) { pr_debug("%s: request_mem_region failed\n", DRV_NAME); ret = -EBUSY; goto out; @@ -583,7 +582,7 @@ static int au_ide_probe(struct device *dev) memset(&hw, 0, sizeof(hw)); auide_setup_ports(&hw, ahwif); hw.irq = ahwif->irq; - hw.dev = dev; + hw.dev = &dev->dev; hw.chipset = ide_au1xxx; ret = ide_host_add(&au1xxx_port_info, hws, &host); @@ -592,7 +591,7 @@ static int au_ide_probe(struct device *dev) auide_hwif.hwif = host->ports[0]; - dev_set_drvdata(dev, host); + platform_set_drvdata(dev, host); printk(KERN_INFO "Au1xxx IDE(builtin) configured for %s\n", mode ); @@ -600,38 +599,39 @@ static int au_ide_probe(struct device *dev) return ret; } -static int au_ide_remove(struct device *dev) +static int au_ide_remove(struct platform_device *dev) { - struct platform_device *pdev = to_platform_device(dev); struct resource *res; - struct ide_host *host = dev_get_drvdata(dev); + struct ide_host *host = platform_get_drvdata(dev); _auide_hwif *ahwif = &auide_hwif; ide_host_remove(host); iounmap((void *)ahwif->regba |