diff options
Diffstat (limited to 'drivers/ide')
66 files changed, 1633 insertions, 4323 deletions
diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig index b4f3aefa12b6..15b09b89588a 100644 --- a/drivers/ide/Kconfig +++ b/drivers/ide/Kconfig @@ -98,6 +98,12 @@ if BLK_DEV_IDE comment "Please see Documentation/ide/ide.txt for help/info on IDE drives" +config IDE_TIMINGS + bool + +config IDE_ATAPI + bool + config BLK_DEV_IDE_SATA bool "Support for SATA (deprecated; conflicts with libata SATA driver)" default n @@ -201,6 +207,7 @@ config BLK_DEV_IDECD_VERBOSE_ERRORS config BLK_DEV_IDETAPE tristate "Include IDE/ATAPI TAPE support" + select IDE_ATAPI help If you have an IDE tape drive using the ATAPI protocol, say Y. ATAPI is a newer protocol used by IDE tape and CD-ROM drives, @@ -223,6 +230,7 @@ config BLK_DEV_IDETAPE config BLK_DEV_IDEFLOPPY tristate "Include IDE/ATAPI FLOPPY support" + select IDE_ATAPI ---help--- If you have an IDE floppy drive which uses the ATAPI protocol, answer Y. ATAPI is a newer protocol used by IDE CD-ROM/tape/floppy @@ -246,6 +254,7 @@ config BLK_DEV_IDEFLOPPY config BLK_DEV_IDESCSI tristate "SCSI emulation support" depends on SCSI + select IDE_ATAPI ---help--- WARNING: ide-scsi is no longer needed for cd writing applications! The 2.6 kernel supports direct writing to ide-cd, which eliminates @@ -320,6 +329,7 @@ config BLK_DEV_PLATFORM config BLK_DEV_CMD640 tristate "CMD640 chipset bugfix/support" depends on X86 + select IDE_TIMINGS ---help--- The CMD-Technologies CMD640 IDE chip is used on many common 486 and Pentium motherboards, usually in combination with a "Neptune" or @@ -449,6 +459,7 @@ config BLK_DEV_AEC62XX config BLK_DEV_ALI15X3 tristate "ALI M15x3 chipset support" + select IDE_TIMINGS select BLK_DEV_IDEDMA_PCI help This driver ensures (U)DMA support for ALI 1533, 1543 and 1543C @@ -463,6 +474,7 @@ config BLK_DEV_ALI15X3 config BLK_DEV_AMD74XX tristate "AMD and nVidia IDE support" depends on !ARM + select IDE_TIMINGS select BLK_DEV_IDEDMA_PCI help This driver adds explicit support for AMD-7xx and AMD-8111 chips @@ -483,6 +495,7 @@ config BLK_DEV_ATIIXP config BLK_DEV_CMD64X tristate "CMD64{3|6|8|9} chipset support" + select IDE_TIMINGS select BLK_DEV_IDEDMA_PCI help Say Y here if you have an IDE controller which uses any of these @@ -497,6 +510,7 @@ config BLK_DEV_TRIFLEX config BLK_DEV_CY82C693 tristate "CY82C693 chipset support" + select IDE_TIMINGS select BLK_DEV_IDEDMA_PCI help This driver adds detection and support for the CY82C693 chipset @@ -689,6 +703,7 @@ config BLK_DEV_SIS5513 config BLK_DEV_SL82C105 tristate "Winbond SL82c105 support" depends on (PPC || ARM) + select IDE_TIMINGS select BLK_DEV_IDEDMA_PCI help If you have a Winbond SL82c105 IDE controller, say Y here to enable @@ -719,6 +734,7 @@ config BLK_DEV_TRM290 config BLK_DEV_VIA82CXXX tristate "VIA82CXXX chipset support" + select IDE_TIMINGS select BLK_DEV_IDEDMA_PCI help This driver adds explicit support for VIA BusMastering IDE chips. @@ -745,6 +761,7 @@ endif config BLK_DEV_IDE_PMAC tristate "PowerMac on-board IDE support" depends on PPC_PMAC && IDE=y && BLK_DEV_IDE=y + select IDE_TIMINGS help This driver provides support for the on-board IDE controller on most of the recent Apple Power Macintoshes and PowerBooks. @@ -823,13 +840,6 @@ config BLK_DEV_IDE_RAPIDE Say Y here if you want to support the Yellowstone RapIDE controller manufactured for use with Acorn computers. -config BLK_DEV_IDE_BAST - tristate "Simtec BAST / Thorcom VR1000 IDE support" - depends on ARM && (ARCH_BAST || MACH_VR1000) - help - Say Y here if you want to support the onboard IDE channels on the - Simtec BAST or the Thorcom VR1000 - config IDE_H8300 tristate "H8300 IDE support" depends on H8300 @@ -913,51 +923,12 @@ config BLK_DEV_Q40IDE config BLK_DEV_PALMCHIP_BK3710 tristate "Palmchip bk3710 IDE controller support" depends on ARCH_DAVINCI + select IDE_TIMINGS select BLK_DEV_IDEDMA_SFF help Say Y here if you want to support the onchip IDE controller on the TI DaVinci SoC - -config BLK_DEV_MPC8xx_IDE - tristate "MPC8xx IDE support" - depends on 8xx && (LWMON || IVMS8 || IVML24 || TQM8xxL) && IDE=y && BLK_DEV_IDE=y && !PPC_MERGE - help - This option provides support for IDE on Motorola MPC8xx Systems. - Please see 'Type of MPC8xx IDE interface' for details. - - If unsure, say N. - -choice - prompt "Type of MPC8xx IDE interface" - depends on BLK_DEV_MPC8xx_IDE - default IDE_8xx_PCCARD - -config IDE_8xx_PCCARD - bool "8xx_PCCARD" - ---help--- - Select how the IDE devices are connected to the MPC8xx system: - - 8xx_PCCARD uses the 8xx internal PCMCIA interface in combination - with a PC Card (e.g. ARGOSY portable Hard Disk Adapter), - ATA PC Card HDDs or ATA PC Flash Cards (example: TQM8xxL - systems) - - 8xx_DIRECT is used for directly connected IDE devices using the 8xx - internal PCMCIA interface (example: IVMS8 systems) - - EXT_DIRECT is used for IDE devices directly connected to the 8xx - bus using some glue logic, but _not_ the 8xx internal - PCMCIA interface (example: IDIF860 systems) - -config IDE_8xx_DIRECT - bool "8xx_DIRECT" - -config IDE_EXT_DIRECT - bool "EXT_DIRECT" - -endchoice - # no isa -> no vlb if ISA && (ALPHA || X86 || MIPS) @@ -975,6 +946,7 @@ config BLK_DEV_4DRIVES config BLK_DEV_ALI14XX tristate "ALI M14xx support" + select IDE_TIMINGS help This driver is enabled at runtime using the "ali14xx.probe" kernel boot parameter. It enables support for the secondary IDE interface @@ -994,6 +966,7 @@ config BLK_DEV_DTC2278 config BLK_DEV_HT6560B tristate "Holtek HT6560B support" + select IDE_TIMINGS help This driver is enabled at runtime using the "ht6560b.probe" kernel boot parameter. It enables support for the secondary IDE interface @@ -1003,6 +976,7 @@ config BLK_DEV_HT6560B config BLK_DEV_QD65XX tristate "QDI QD65xx support" + select IDE_TIMINGS help This driver is enabled at runtime using the "qd65xx.probe" kernel boot parameter. It permits faster I/O speeds to be set. See the @@ -1026,29 +1000,4 @@ config BLK_DEV_IDEDMA endif -config BLK_DEV_HD_ONLY - bool "Old hard disk (MFM/RLL/IDE) driver" - help - There are two drivers for MFM/RLL/IDE hard disks. Most people use - the newer enhanced driver, but this old one is still around for two - reasons. Some older systems have strange timing problems and seem to - work only with the old driver (which itself does not work with some - newer systems). The other reason is that the old driver is smaller, - since it lacks the enhanced functionality of the new one. This makes - it a good choice for systems with very tight memory restrictions, or - for systems with only older MFM/RLL/ESDI drives. Choosing the old - driver can save 13 KB or so of kernel memory. - - If you want to use this driver together with the new one you have - to use "hda=noprobe hdb=noprobe" kernel parameters to prevent the new - driver from probing the primary interface. - - If you are unsure, then just choose the Enhanced IDE/MFM/RLL driver - instead of this one. For more detailed information, read the - Disk-HOWTO, available from - <http://www.tldp.org/docs.html#howto>. - -config BLK_DEV_HD - def_bool BLK_DEV_HD_ONLY - endif # IDE diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile index f94b679b611e..5d414e301a5a 100644 --- a/drivers/ide/Makefile +++ b/drivers/ide/Makefile @@ -11,9 +11,12 @@ EXTRA_CFLAGS += -Idrivers/ide -ide-core-y += ide.o ide-io.o ide-iops.o ide-lib.o ide-probe.o ide-taskfile.o +ide-core-y += ide.o ide-io.o ide-iops.o ide-lib.o ide-probe.o ide-taskfile.o \ + ide-pio-blacklist.o # core IDE code +ide-core-$(CONFIG_IDE_TIMINGS) += ide-timings.o +ide-core-$(CONFIG_IDE_ATAPI) += ide-atapi.o ide-core-$(CONFIG_BLK_DEV_IDEPCI) += setup-pci.o ide-core-$(CONFIG_BLK_DEV_IDEDMA) += ide-dma.o ide-core-$(CONFIG_IDE_PROC_FS) += ide-proc.o @@ -58,9 +61,3 @@ ifeq ($(CONFIG_BLK_DEV_PLATFORM), y) endif obj-$(CONFIG_BLK_DEV_IDE) += arm/ mips/ - -# old hd driver must be last -ifeq ($(CONFIG_BLK_DEV_HD), y) - hd-core-y += legacy/hd.o - obj-y += hd-core.o -endif diff --git a/drivers/ide/arm/Makefile b/drivers/ide/arm/Makefile index 936e7b0237f5..5bc26053afa6 100644 --- a/drivers/ide/arm/Makefile +++ b/drivers/ide/arm/Makefile @@ -1,7 +1,6 @@ obj-$(CONFIG_BLK_DEV_IDE_ICSIDE) += icside.o obj-$(CONFIG_BLK_DEV_IDE_RAPIDE) += rapide.o -obj-$(CONFIG_BLK_DEV_IDE_BAST) += bast-ide.o obj-$(CONFIG_BLK_DEV_PALMCHIP_BK3710) += palm_bk3710.o ifeq ($(CONFIG_IDE_ARM), m) diff --git a/drivers/ide/arm/bast-ide.c b/drivers/ide/arm/bast-ide.c deleted file mode 100644 index 713cef20622e..000000000000 --- a/drivers/ide/arm/bast-ide.c +++ /dev/null @@ -1,89 +0,0 @@ -/* - * Copyright (c) 2003-2004 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * 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/errno.h> -#include <linux/ide.h> -#include <linux/init.h> - -#include <asm/mach-types.h> - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/arch/map.h> -#include <asm/arch/bast-map.h> -#include <asm/arch/bast-irq.h> - -#define DRV_NAME "bast-ide" - -static int __init bastide_register(unsigned int base, unsigned int aux, int irq) -{ - ide_hwif_t *hwif; - hw_regs_t hw; - int i; - u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; - - memset(&hw, 0, sizeof(hw)); - - base += BAST_IDE_CS; - aux += BAST_IDE_CS; - - for (i = 0; i <= 7; i++) { - hw.io_ports_array[i] = (unsigned long)base; - base += 0x20; - } - - hw.io_ports.ctl_addr = aux + (6 * 0x20); - hw.irq = irq; - - hwif = ide_find_port(); - if (hwif == NULL) - goto out; - - i = hwif->index; - - ide_init_port_data(hwif, i); - ide_init_port_hw(hwif, &hw); - hwif->port_ops = NULL; - - idx[0] = i; - - ide_device_add(idx, NULL); -out: - return 0; -} - -static int __init bastide_init(void) -{ - unsigned long base = BAST_VA_IDEPRI + BAST_IDE_CS; - - /* we can treat the VR1000 and the BAST the same */ - - if (!(machine_is_bast() || machine_is_vr1000())) - return 0; - - printk("BAST: IDE driver, (c) 2003-2004 Simtec Electronics\n"); - - if (!request_mem_region(base, 0x400000, DRV_NAME)) { - printk(KERN_ERR "%s: resources busy\n", DRV_NAME); - return -EBUSY; - } - - bastide_register(BAST_VA_IDEPRI, BAST_VA_IDEPRIAUX, IRQ_IDE0); - bastide_register(BAST_VA_IDESEC, BAST_VA_IDESECAUX, IRQ_IDE1); - - return 0; -} - -module_init(bastide_init); - -MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>"); -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("Simtec BAST / Thorcom VR1000 IDE driver"); diff --git a/drivers/ide/arm/icside.c b/drivers/ide/arm/icside.c index 061456914ca3..52f58c885783 100644 --- a/drivers/ide/arm/icside.c +++ b/drivers/ide/arm/icside.c @@ -21,6 +21,8 @@ #include <asm/dma.h> #include <asm/ecard.h> +#define DRV_NAME "icside" + #define ICS_IDENT_OFFSET 0x2280 #define ICS_ARCIN_V5_INTRSTAT 0x0000 @@ -68,6 +70,7 @@ struct icside_state { unsigned int enabled; void __iomem *irq_port; void __iomem *ioc_base; + unsigned int sel; unsigned int type; ide_hwif_t *hwif[2]; }; @@ -165,7 +168,8 @@ static const expansioncard_ops_t icside_ops_arcin_v6 = { static void icside_maskproc(ide_drive_t *drive, int mask) { ide_hwif_t *hwif = HWIF(drive); - struct icside_state *state = hwif->hwif_data; + struct expansion_card *ec = ECARD_DEV(hwif->dev); + struct icside_state *state = ecard_get_drvdata(ec); unsigned long flags; local_irq_save(flags); @@ -308,6 +312,7 @@ static int icside_dma_setup(ide_drive_t *drive) { ide_hwif_t *hwif = HWIF(drive); struct expansion_card *ec = ECARD_DEV(hwif->dev); + struct icside_state *state = ecard_get_drvdata(ec); struct request *rq = hwif->hwgroup->rq; unsigned int dma_mode; @@ -331,7 +336,7 @@ static int icside_dma_setup(ide_drive_t *drive) /* * Route the DMA signals to the correct interface. */ - writeb(hwif->select_data, hwif->config_data); + writeb(state->sel | hwif->channel, state->ioc_base); /* * Select the correct timing for this drive. @@ -359,7 +364,8 @@ static void icside_dma_exec_cmd(ide_drive_t *drive, u8 cmd) static int icside_dma_test_irq(ide_drive_t *drive) { ide_hwif_t *hwif = HWIF(drive); - struct icside_state *state = hwif->hwif_data; + struct expansion_card *ec = ECARD_DEV(hwif->dev); + struct icside_state *state = ecard_get_drvdata(ec); return readb(state->irq_port + (hwif->channel ? @@ -411,36 +417,24 @@ static int icside_dma_off_init(ide_hwif_t *hwif, const struct ide_port_info *d) return -EOPNOTSUPP; } -static ide_hwif_t * -icside_setup(void __iomem *base, struct cardinfo *info, struct expansion_card *ec) +static void icside_setup_ports(hw_regs_t *hw, void __iomem *base, + struct cardinfo *info, struct expansion_card *ec) { unsigned long port = (unsigned long)base + info->dataoffset; - ide_hwif_t *hwif; - hwif = ide_find_port(); - if (hwif) { - /* - * Ensure we're using MMIO - */ - default_hwif_mmiops(hwif); - - hwif->io_ports.data_addr = port; - hwif->io_ports.error_addr = port + (1 << info->stepping); - hwif->io_ports.nsect_addr = port + (2 << info->stepping); - hwif->io_ports.lbal_addr = port + (3 << info->stepping); - hwif->io_ports.lbam_addr = port + (4 << info->stepping); - hwif->io_ports.lbah_addr = port + (5 << info->stepping); - hwif->io_ports.device_addr = port + (6 << info->stepping); - hwif->io_ports.status_addr = port + (7 << info->stepping); - hwif->io_ports.ctl_addr = - (unsigned long)base + info->ctrloffset; - hwif->irq = ec->irq; - hwif->chipset = ide_acorn; - hwif->gendev.parent = &ec->dev; - hwif->dev = &ec->dev; - } - - return hwif; + hw->io_ports.data_addr = port; + hw->io_ports.error_addr = port + (1 << info->stepping); + hw->io_ports.nsect_addr = port + (2 << info->stepping); + hw->io_ports.lbal_addr = port + (3 << info->stepping); + hw->io_ports.lbam_addr = port + (4 << info->stepping); + hw->io_ports.lbah_addr = port + (5 << info->stepping); + hw->io_ports.device_addr = port + (6 << info->stepping); + hw->io_ports.status_addr = port + (7 << info->stepping); + hw->io_ports.ctl_addr = (unsigned long)base + info->ctrloffset; + + hw->irq = ec->irq; + hw->dev = &ec->dev; + hw->chipset = ide_acorn; } static int __init @@ -449,6 +443,7 @@ icside_register_v5(struct icside_state *state, struct expansion_card *ec) ide_hwif_t *hwif; void __iomem *base; u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; + hw_regs_t hw; base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0); if (!base) @@ -466,12 +461,19 @@ icside_register_v5(struct icside_state *state, struct expansion_card *ec) */ icside_irqdisable_arcin_v5(ec, 0); - hwif = icside_setup(base, &icside_cardinfo_v5, ec); + icside_setup_ports(&hw, base, &icside_cardinfo_v5, ec); + + hwif = ide_find_port(); if (!hwif) return -ENODEV; + ide_init_port_hw(hwif, &hw); + default_hwif_mmiops(hwif); + state->hwif[0] = hwif; + ecard_set_drvdata(ec, state); + idx[0] = hwif->index; ide_device_add(idx, NULL); @@ -497,6 +499,7 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec) int ret; u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; struct ide_port_info d = icside_v6_port_info; + hw_regs_t hw[2]; ioc_base = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0); if (!ioc_base) { @@ -525,43 +528,47 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec) state->irq_port = easi_base; state->ioc_base = ioc_base; + state->sel = sel; /* * Be on the safe side - disable interrupts */ icside_irqdisable_arcin_v6(ec, 0); + icside_setup_ports(&hw[0], easi_base, &icside_cardinfo_v6_1, ec); + icside_setup_ports(&hw[1], easi_base, &icside_cardinfo_v6_2, ec); + /* * Find and register the interfaces. */ - hwif = icside_setup(easi_base, &icside_cardinfo_v6_1, ec); - mate = icside_setup(easi_base, &icside_cardinfo_v6_2, ec); + hwif = ide_find_port(); + if (hwif == NULL) + return -ENODEV; - if (!hwif || !mate) { - ret = -ENODEV; - goto out; + ide_init_port_hw(hwif, &hw[0]); + default_hwif_mmiops(hwif); + + idx[0] = hwif->index; + + mate = ide_find_port(); + if (mate) { + ide_init_port_hw(mate, &hw[1]); + default_hwif_mmiops(mate); + + idx[1] = mate->index; } state->hwif[0] = hwif; state->hwif[1] = mate; - hwif->hwif_data = state; - hwif->config_data = (unsigned long)ioc_base; - hwif->select_data = sel; - - mate->hwif_data = state; - mate->config_data = (unsigned long)ioc_base; - mate->select_data = sel | 1; + ecard_set_drvdata(ec, state); - if (ec->dma != NO_DMA && !request_dma(ec->dma, hwif->name)) { + if (ec->dma != NO_DMA && !request_dma(ec->dma, DRV_NAME)) { d.init_dma = icside_dma_init; d.port_ops = &icside_v6_port_ops; d.dma_ops = NULL; } - idx[0] = hwif->index; - idx[1] = mate->index; - ide_device_add(idx, &d); return 0; @@ -627,10 +634,8 @@ icside_probe(struct expansion_card *ec, const struct ecard_id *id) break; } - if (ret == 0) { - ecard_set_drvdata(ec, state); + if (ret == 0) goto out; - } kfree(state); release: diff --git a/drivers/ide/arm/ide_arm.c b/drivers/ide/arm/ide_arm.c index 4263ffd4ab20..2f311da4c963 100644 --- a/drivers/ide/arm/ide_arm.c +++ b/drivers/ide/arm/ide_arm.c @@ -49,6 +49,7 @@ static int __init ide_arm_init(void) memset(&hw, 0, sizeof(hw)); ide_std_init_ports(&hw, base, ctl); hw.irq = IDE_ARM_IRQ; + hw.chipset = ide_generic; hwif = ide_find_port(); if (hwif) { diff --git a/drivers/ide/arm/palm_bk3710.c b/drivers/ide/arm/palm_bk3710.c index 96378ebfb31f..c79b85b6e4a3 100644 --- a/drivers/ide/arm/palm_bk3710.c +++ b/drivers/ide/arm/palm_bk3710.c @@ -74,20 +74,16 @@ struct palm_bk3710_udmatiming { #define BK3710_IORDYTMP 0x78 #define BK3710_IORDYTMS 0x7C -#include "../ide-timing.h" - -static long ide_palm_clk; +static unsigned ideclk_period; /* in nanoseconds */ static const struct palm_bk3710_udmatiming palm_bk3710_udmatimings[6] = { {160, 240}, /* UDMA Mode 0 */ {125, 160}, /* UDMA Mode 1 */ {100, 120}, /* UDMA Mode 2 */ {100, 90}, /* UDMA Mode 3 */ - {85, 60}, /* UDMA Mode 4 */ + {100, 60}, /* UDMA Mode 4 */ }; -static struct clk *ideclkp; - static void palm_bk3710_setudmamode(void __iomem *base, unsigned int dev, unsigned int mode) { @@ -97,10 +93,10 @@ static void palm_bk3710_setudmamode(void __iomem *base, unsigned int dev, /* DMA Data Setup */ t0 = DIV_ROUND_UP(palm_bk3710_udmatimings[mode].cycletime, - ide_palm_clk) - 1; - tenv = DIV_ROUND_UP(20, ide_palm_clk) - 1; + ideclk_period) - 1; + tenv = DIV_ROUND_UP(20, ideclk_period) - 1; trp = DIV_ROUND_UP(palm_bk3710_udmatimings[mode].rptime, - ide_palm_clk) - 1; + ideclk_period) - 1; /* udmatim Register */ val16 = readw(base + BK3710_UDMATIM) & (dev ? 0xFF0F : 0xFFF0); @@ -141,8 +137,8 @@ static void palm_bk3710_setdmamode(void __iomem *base, unsigned int dev, cycletime = max_t(int, t->cycle, min_cycle); /* DMA Data Setup */ - t0 = DIV_ROUND_UP(cycletime, ide_palm_clk); - td = DIV_ROUND_UP(t->active, ide_palm_clk); + t0 = DIV_ROUND_UP(cycletime, ideclk_period); + td = DIV_ROUND_UP(t->active, ideclk_period); tkw = t0 - td - 1; td -= 1; @@ -168,9 +164,9 @@ static void palm_bk3710_setpiomode(void __iomem *base, ide_drive_t *mate, struct ide_timing *t; /* PIO Data Setup */ - t0 = DIV_ROUND_UP(cycletime, ide_palm_clk); + t0 = DIV_ROUND_UP(cycletime, ideclk_period); t2 = DIV_ROUND_UP(ide_timing_find_mode(XFER_PIO_0 + mode)->active, - ide_palm_clk); + ideclk_period); t2i = t0 - t2 - 1; t2 -= 1; @@ -192,8 +188,8 @@ static void palm_bk3710_setpiomode(void __iomem *base, ide_drive_t *mate, /* TASKFILE Setup */ t = ide_timing_find_mode(XFER_PIO_0 + mode); - t0 = DIV_ROUND_UP(t->cyc8b, ide_palm_clk); - t2 = DIV_ROUND_UP(t->act8b, ide_palm_clk); + t0 = DIV_ROUND_UP(t->cyc8b, ideclk_period); + t2 = DIV_ROUND_UP(t->act8b, ideclk_period); t2i = t0 - t2 - 1; t2 -= 1; @@ -350,22 +346,22 @@ static const struct ide_port_info __devinitdata palm_bk3710_port_info = { static int __devinit palm_bk3710_probe(struct platform_device *pdev) { - struct clk *clkp; + struct clk *clk; struct resource *mem, *irq; ide_hwif_t *hwif; - void __iomem *base; - int pribase, i; + unsigned long base, rate; + int i; hw_regs_t hw; u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; - clkp = clk_get(NULL, "IDECLK"); - if (IS_ERR(clkp)) + clk = clk_get(NULL, "IDECLK"); + if (IS_ERR(clk)) return -ENODEV; - ideclkp = clkp; - clk_enable(ideclkp); - ide_palm_clk = clk_get_rate(ideclkp)/100000; - ide_palm_clk = (10000/ide_palm_clk) + 1; + clk_enable(clk); + rate = clk_get_rate(clk); + ideclk_period = 1000000000UL / rate; + /* Register the IDE interface with Linux ATA Interface */ memset(&hw, 0, sizeof(hw)); @@ -374,22 +370,27 @@ static int __devinit palm_bk3710_probe(struct platform_device *pdev) printk(KERN_ERR "failed to get memory region resource\n"); return -ENODEV; } + irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); if (irq == NULL) { printk(KERN_ERR "failed to get IRQ resource\n"); return -ENODEV; } - base = (void *)mem->start; + if (request_mem_region(mem->start, mem->end - mem->start + 1, + "palm_bk3710") == NULL) { + printk(KERN_ERR "failed to request memory region\n"); + return -EBUSY; + } + + base = IO_ADDRESS(mem->start); /* Configure the Palm Chip controller */ - palm_bk3710_chipinit(base); + palm_bk3710_chipinit((void __iomem *)base); - pribase = mem->start + IDE_PALM_ATA_PRI_REG_OFFSET; for (i = 0; i < IDE_NR_PORTS - 2; i++) - hw.io_ports_array[i] = pribase + i; - hw.io_ports.ctl_addr = mem->start + - IDE_PALM_ATA_PRI_CTL_OFFSET; + hw.io_ports_array[i] = base + IDE_PALM_ATA_PRI_REG_OFFSET + i; + hw.io_ports.ctl_addr = base + IDE_PALM_ATA_PRI_CTL_OFFSET; hw.irq = irq->start; hw.chipset = ide_palm3710; @@ -399,19 +400,14 @@ static int __devinit palm_bk3710_probe(struct platform_device *pdev) i = hwif->index; - ide_init_port_data(hwif, i); ide_init_port_hw(hwif, &hw); - hwif->mmio = 1; default_hwif_mmiops(hwif); idx[0] = i; ide_device_add(idx, &palm_bk3710_port_info); - if (!hwif->present) - goto out; - return 0; out: printk(KERN_WARNING "Palm Chip BK3710 IDE Register Fail\n"); @@ -437,4 +433,3 @@ static int __init palm_bk3710_init(void) module_init(palm_bk3710_init); MODULE_LICENSE("GPL"); - diff --git a/drivers/ide/arm/rapide.c b/drivers/ide/arm/rapide.c index 1747b2358775..43057e0303c8 100644 --- a/drivers/ide/arm/rapide.c +++ b/drivers/ide/arm/rapide.c @@ -11,6 +11,10 @@ #include <asm/ecard.h> +static struct const ide_port_info rapide_port_info = { + .host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA, +}; + static void rapide_setup_ports(hw_regs_t *hw, void __iomem *base, void __iomem *ctrl, unsigned int sz, int irq) { @@ -44,25 +48,26 @@ rapide_probe(struct expansion_card *ec, const struct ecard_id *id) goto release; } - hwif = ide_find_port(); - if (hwif) { - memset(&hw, 0, sizeof(hw)); - rapide_setup_ports(&hw, base, base + 0x818, 1 << 6, ec->irq); - hw.chipset = ide_generic; - hw.dev = &ec->dev; + memset(&hw, 0, sizeof(hw)); + rapide_setup_ports(&hw, base, base + 0x818, 1 << 6, ec->irq); + hw.chipset = ide_generic; + hw.dev = &ec->dev; - ide_init_port_hw(hwif, &hw); + hwif = ide_find_port(); + if (hwif == NULL) { + ret = -ENOENT; + goto release; + } - hwif->host_flags = IDE_HFLAG_MMIO; - default_hwif_mmiops(hwif); + ide_init_port_hw(hwif, &hw); + default_hwif_mmiops(hwif); - idx[0] = hwif->index; + idx[0] = hwif->index; - ide_device_add(idx, NULL); + ide_device_add(idx, &rapide_port_info); - ecard_set_drvdata(ec, hwif); - goto out; - } + ecard_set_drvdata(ec, hwif); + goto out; release: ecard_release_resources(ec); diff --git a/drivers/ide/h8300/ide-h8300.c b/drivers/ide/h8300/ide-h8300.c index ecf53bb0d2aa..20fad6d542cc 100644 --- a/drivers/ide/h8300/ide-h8300.c +++ b/drivers/ide/h8300/ide-h8300.c @@ -8,6 +8,8 @@ #include <asm/io.h> #include <asm/irq.h> +#define DRV_NAME "ide-h8300" + #define bswap(d) \ ({ \ u16 r; \ @@ -52,8 +54,6 @@ static void h8300_tf_load(ide_drive_t *drive, ide_task_t *task) if (task->tf_flags & IDE_TFLAG_FLAGGED) HIHI = 0xFF; - ide_set_irq(drive, 1); - if (task->tf_flags & IDE_TFLAG_OUT_DATA) mm_outw((tf->hob_data << 8) | tf->data, io_ports->data_addr); @@ -98,7 +98,7 @@ static void h8300_tf_read(ide_drive_t *drive, ide_task_t *task) } /* be sure we're looking at the low order bits */ - outb(drive->ctl & ~0x80, io_ports->ctl_addr); + outb(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr); if (task->tf_flags & IDE_TFLAG_IN_NSECT) tf->nsect = inb(io_ports->nsect_addr); @@ -112,7 +112,7 @@ static void h8300_tf_read(ide_drive_t *drive, ide_task_t *task) tf->device = inb(io_ports->device_addr); if (task->tf_flags & IDE_TFLAG_LBA48) { - outb(drive->ctl | 0x80, io_ports->ctl_addr); + outb(ATA_DEVCTL_OBS | 0x80, io_ports->ctl_addr); if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE) tf->hob_feature = inb(io_ports->feature_addr); @@ -178,6 +178,10 @@ static inline void hwif_setup(ide_hwif_t *hwif) hwif->output_data = h8300_output_data; } +static const struct ide_port_info h8300_port_info = { + .host_flags = IDE_HFLAG_NO_IO_32BIT | IDE_HFLAG_NO_DMA, +}; + static int __init h8300_ide_init(void) { hw_regs_t hw; @@ -185,6 +189,8 @@ static int __init h8300_ide_init(void) int index; u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; + printk(KERN_INFO DRV_NAME ": H8/300 generic IDE interface\n"); + if (!request_region(CONFIG_H8300_IDE_BASE, H8300_IDE_GAP*8, "ide-h8300")) goto out_busy; if (!request_region(CONFIG_H8300_IDE_ALT, H8300_IDE_GAP, "ide-h8300")) { @@ -194,22 +200,17 @@ static int __init h8300_ide_init(void) hw_setup(&hw); - hwif = ide_find_port(); - if (hwif == NULL) { - printk(KERN_ERR "ide-h8300: IDE I/F register failed\n"); + hwif = ide_find_port_slot(&h8300_port_info); + if (hwif == NULL) return -ENOENT; - } index = hwif->index; - ide_init_port_data(hwif, index); ide_init_port_hw(hwif, &hw); hwif_setup(hwif); - hwif->host_flags = IDE_HFLAG_NO_IO_32BIT; - printk(KERN_INFO "ide%d: H8/300 generic IDE interface\n", index); idx[0] = index; - ide_device_add(idx, NULL); + ide_device_add(idx, &h8300_port_info); return 0; diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c index 9d3601fa5680..6f704628c27d 100644 --- a/drivers/ide/ide-acpi.c +++ b/drivers/ide/ide-acpi.c @@ -60,15 +60,15 @@ struct ide_acpi_hwif_link { #define DEBPRINT(fmt, args...) do {} while (0) #endif /* DEBUGGING */ -int ide_noacpi; +static int ide_noacpi; module_param_named(noacpi, ide_noacpi, bool, 0); MODULE_PARM_DESC(noacpi, "disable IDE ACPI support"); -int ide_acpigtf; +static int ide_acpigtf; module_param_named(acpigtf, ide_acpigtf, bool, 0); MODULE_PARM_DESC(acpigtf, "enable IDE ACPI _GTF support"); -int ide_acpionboot; +static int ide_acpionboot; module_param_named(acpionboot, ide_acpionboot, bool, 0); MODULE_PARM_DESC(acpionboot, "call IDE ACPI methods on boot"); diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c new file mode 100644 index 000000000000..2802031de670 --- /dev/null +++ b/drivers/ide/ide-atapi.c @@ -0,0 +1,296 @@ +/* + * ATAPI support. + */ + +#include <linux/kernel.h> +#include <linux/delay.h> +#include <linux/ide.h> +#include <scsi/scsi.h> + +#ifdef DEBUG +#define debug_log(fmt, args...) \ + printk(KERN_INFO "ide: " fmt, ## args) +#else +#define debug_log(fmt, args...) do {} while (0) +#endif + +/* TODO: unify the code thus making some arguments go away */ +ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, + ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, + void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *), + void (*retry_pc)(ide_drive_t *), void (*dsc_handle)(ide_drive_t *), + void (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned, int)) +{ + ide_hwif_t *hwif = drive->hwif; + xfer_func_t *xferfunc; + unsigned int temp; + u16 bcount; + u8 stat, ireason, scsi = drive->scsi; + + debug_log("Enter %s - interrupt handler\n", __func__); + + if (pc->flags & PC_FLAG_TIMEDOUT) { + pc->callback(drive); + return ide_stopped; + } + + /* Clear the interrupt */ + stat = ide_read_status(drive); + + if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) { + if (hwif->dma_ops->dma_end(drive) || + (drive->media == ide_tape && !scsi && (stat & ERR_STAT))) { + if (drive->media == ide_floppy && !scsi) + printk(KERN_ERR "%s: DMA %s error\n", + drive->name, rq_data_dir(pc->rq) + ? "write" : "read"); + pc->flags |= PC_FLAG_DMA_ERROR; + } else { + pc->xferred = pc->req_xfer; + if (update_buffers) + update_buffers(drive, pc); + } + debug_log("%s: DMA finished\n", drive->name); + } + + /* No more interrupts */ + if ((stat & DRQ_STAT) == 0) { + debug_log("Packet command completed, %d bytes transferred\n", + pc->xferred); + + pc->flags &= ~PC_FLAG_DMA_IN_PROGRESS; + + local_irq_enable_in_hardirq(); + + if (drive->media == ide_tape && !scsi && + (stat & ERR_STAT) && pc->c[0] == REQUEST_SENSE) + stat &= ~ERR_STAT; + if ((stat & ERR_STAT) || (pc->flags & PC_FLAG_DMA_ERROR)) { + /* Error detected */ + debug_log("%s: I/O error\n", drive->name); + + if (drive->media != ide_tape || scsi) { + pc->rq->errors++; + if (scsi) + goto cmd_finished; + } + + if (pc->c[0] == REQUEST_SENSE) { + printk(KERN_ERR "%s: I/O error in request sense" + " command\n", drive->name); + return ide_do_reset(drive); + } + + debug_log("[cmd %x]: check condition\n", pc->c[0]); + + /* Retry operation */ + retry_pc(drive); + /* queued, but not started */ + return ide_stopped; + } +cmd_finished: + pc->error = 0; + if ((pc->flags & PC_FLAG_WAIT_FOR_DSC) && + (stat & SEEK_STAT) == 0) { + dsc_handle(drive); + return ide_stopped; + } + /* Command finished - Call the callback function */ + pc->callback(drive); + return ide_stopped; + } + + if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) { + pc->flags &= ~PC_FLAG_DMA_IN_PROGRESS; + printk(KERN_ERR "%s: The device wants to issue more interrupts " + "in DMA mode\n", drive->name); + ide_dma_off(drive); + return ide_do_reset(drive); + } + /* Get the number of bytes to transfer on this interrupt. */ + bcount = (hwif->INB(hwif->io_ports.lbah_addr) << 8) | + hwif->INB(hwif->io_ports.lbam_addr); + + ireason = hwif->INB(hwif->io_ports.nsect_addr); + + if (ireason & CD) { + printk(KERN_ERR "%s: CoD != 0 in %s\n", drive->name, __func__); + return ide_do_reset(drive); + } + if (((ireason & IO) == IO) == !!(pc->flags & PC_FLAG_WRITING)) { + /* Hopefully, we will never get here */ + printk(KERN_ERR "%s: We wanted to %s, but the device wants us " + "to %s!\n", drive->name, + (ireason & IO) ? "Write" : "Read", + (ireason & IO) ? "Read" : "Write"); + return ide_do_reset(drive); + } + if (!(pc->flags & PC_FLAG_WRITING)) { + /* Reading - Check that we have enough space */ + temp = pc->xferred + bcount; + if (temp > pc->req_xfer) { + if (temp > pc->buf_size) { + printk(KERN_ERR "%s: The device wants to send " + "us more data than expected - " + "discarding data\n", + drive->name); + if (scsi) + temp = pc->buf_size - pc->xferred; + else + temp = 0; + if (temp) { + if (pc->sg) + io_buffers(drive, pc, temp, 0); + else + hwif->input_data(drive, NULL, + pc->cur_pos, temp); + printk(KERN_ERR "%s: transferred %d of " + "%d bytes\n", + drive->name, + temp, bcount); + } + pc->xferred += temp; + pc->cur_pos += temp; + ide_pad_transfer(drive, 0, bcount - temp); + ide_set_handler(drive, handler, timeout, + expiry); + return ide_started; + } + debug_log("The device wants to send us more data than " + "expected - allowing transfer\n"); + } + xferfunc = hwif->input_data; + } else + xferfunc = hwif->output_data; + + if ((drive->media == ide_floppy && !scsi && !pc->buf) || + (drive->media == ide_tape && !scsi && pc->bh) || + (scsi && pc->sg)) + io_buffers(drive, pc, bcount, !!(pc->flags & PC_FLAG_WRITING)); + else + xferfunc(drive, NULL, pc->cur_pos, bcount); + + /* Update the current position */ + pc->xferred += bcount; + pc->cur_pos += bcount; + + debug_log("[cmd %x] transferred %d bytes on that intr.\n", + pc->c[0], bcount); + + /* And set the interrupt handler again */ + ide_set_handler(drive, handler, timeout, expiry); + return ide_started; +} +EXPORT_SYMBOL_GPL(ide_pc_intr); + +static u8 ide_wait_ireason(ide_drive_t *drive, u8 ireason) +{ + ide_hwif_t *hwif = drive->hwif; + int retries = 100; + + while (retries-- && ((ireason & CD) == 0 || (ireason & IO))) { + printk(KERN_ERR "%s: (IO,CoD != (0,1) while issuing " + "a packet command, retrying\n", drive->name); + udelay(100); + ireason = hwif->INB(hwif->io_ports.nsect_addr); + if (retries == 0) { + printk(KERN_ERR "%s: (IO,CoD != (0,1) while issuing " + "a packet command, ignoring\n", + drive->name); + ireason |= CD; + ireason &= ~IO; + } + } + + return ireason; +} + +ide_startstop_t ide_transfer_pc(ide_drive_t *drive, struct ide_atapi_pc *pc, + ide_handler_t *handler, unsigned int timeout, + ide_expiry_t *expiry) +{ + ide_hwif_t *hwif = drive->hwif; + ide_startstop_t startstop; + u8 ireason; + + if (ide_wait_stat(&startstop, drive, DRQ_STAT, BUSY_STAT, WAIT_READY)) { + printk(KERN_ERR "%s: Strange, packet command initiated yet " + "DRQ isn't asserted\n", drive->name); + return startstop; + } + + ireason = hwif->INB(hwif->io_ports.nsect_addr); + if (drive->media == ide_tape && !drive->scsi) + ireason = ide_wait_ireason(drive, ireason); + + if ((ireason & CD) == 0 || (ireason & IO)) { + printk(KERN_ERR "%s: (IO,CoD) != (0,1) while issuing " + "a packet command\n", drive->name); + return ide_do_reset(drive); + } + + /* Set the interrupt routine */ + ide_set_handler(drive, handler, timeout, expiry); + + /* Begin DMA, if necessary */ + if (pc->flags & PC_FLAG_DMA_OK) { + pc->flags |= PC_FLAG_DMA_IN_PROGRESS; + hwif->dma_ops->dma_start(drive); + } + + /* Send the actual packet */ + if ((pc->flags & PC_FLAG_ZIP_DRIVE) == 0) + hwif->output_data(drive, NULL, pc->c, 12); + + return ide_started; +} +EXPORT_SYMBOL_GPL(ide_transfer_pc); + +ide_startstop_t ide_issue_pc(ide_drive_t *drive, struct ide_atapi_pc *pc, + ide_handler_t *handler, unsigned int timeout, + ide_expiry_t *expiry) +{ + ide_hwif_t *hwif = drive->hwif; + u16 bcount; + u8 dma = 0; + + /* We haven't transferred any data yet */ + pc->xferred = 0; + pc->cur_pos = pc->buf; + + /* Request to transfer the entire buffer at once */ + if (drive->media == ide_tape && !drive->scsi) + bcount = pc->req_xfer; + else + bcount = min(pc->req_xfer, 63 * 1024); + + if (pc->flags & PC_FLAG_DMA_ERROR) { + pc->flags &= ~PC_FLAG_DMA_ERROR; + ide_dma_off(drive); + } + + if ((pc->flags & PC_FLAG_DMA_OK) && drive->using_dma) { + if (drive->scsi) + hwif->sg_mapped = 1; + dma = !hwif->dma_ops->dma_setup(drive); + if (drive->scsi) + hwif->sg_mapped = 0; + } + + if (!dma) + pc->flags &= ~PC_FLAG_DMA_OK; + + ide_pktcmd_tf_load(drive, drive->scsi ? 0 : IDE_TFLAG_OUT_DEVICE, + bcount, dma); + + /* Issue the packet command */ + if (pc->flags & PC_FLAG_DRQ_INTERRUPT) { + ide_execute_command(drive, WIN_PACKETCMD, handler, + timeout, NULL); + return ide_started; + } else { + ide_execute_pkt_cmd(drive); + return (*handler)(drive); + } +} +EXPORT_SYMBOL_GPL(ide_issue_pc); diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 68e7f19dc036..6e29dd532090 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -188,16 +188,6 @@ static void cdrom_analyze_sense_data(ide_drive_t *drive, ide_cd_log_error(drive->name, failed_command, sense); } -/* Initialize a ide-cd packet command request */ -void ide_cd_init_rq(ide_drive_t *drive, struct request *rq) -{ - struct cdrom_info *cd = drive->driver_data; - - ide_init_drive_cmd(rq); - rq->cmd_type = REQ_TYPE_ATA_PC; - rq->rq_disk = cd->disk; -} - static void cdrom_queue_request_sense(ide_drive_t *drive, void *sense, struct request *failed_command) { @@ -208,7 +198,9 @@ static void cdrom_queue_request_sense(ide_drive_t *drive, void *sense, sense = &info->sense_data; /* stuff the sense request in front of our current request */ - ide_cd_init_rq(drive, rq); + blk_rq_init(NULL, rq); + rq->cmd_type = REQ_TYPE_ATA_PC; + rq->rq_disk = info->disk; rq->data = sense; rq->cmd[0] = GPCMD_REQUEST_SENSE; @@ -216,11 +208,12 @@ static void cdrom_queue_request_sense(ide_drive_t *drive, void *sense, rq->data_len = 18; rq->cmd_type = REQ_TYPE_SENSE; + rq->cmd_flags |= REQ_PREEMPT; /* NOTE! Save the failed command in "rq->buffer" */ rq->buffer = (void *) failed_command; - (void) ide_do_drive_cmd(drive, rq, ide_preempt); + ide_do_drive_cmd(drive, rq); } static void cdrom_end_request(ide_drive_t *drive, int uptodate) @@ -524,21 +517,16 @@ static ide_startstop_t cdrom_start_packet_command(ide_drive_t *drive, int xferlen, ide_handler_t *handler) { - ide_startstop_t startstop; struct cdrom_info *info = drive->driver_data; ide_hwif_t *hwif = drive->hwif; - /* wait for the controller to be idle */ - if (ide_wait_stat(&startstop, drive, 0, BUSY_STAT, WAIT_READY)) - return startstop; - /* FIXME: for Virtual DMA we must check harder */ if (info->dma) info->dma = !hwif->dma_ops->dma_setup(drive); /* set up the controller registers */ - ide_pktcmd_tf_load(drive, IDE_TFLAG_OUT_NSECT | IDE_TFLAG_OUT_LBAL | - IDE_TFLAG_NO_SELECT_MASK, xferlen, info->dma); + ide_pktcmd_tf_load(drive, IDE_TFLAG_OUT_NSECT | IDE_TFLAG_OUT_LBAL, + xferlen, info->dma); if (info->cd_flags & IDE_CD_FLAG_DRQ_INTERRUPT) { /* waiting for CDB interrupt, not DMA yet. */ @@ -611,28 +599,6 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive, } /* - * Block read functions. - */ -static void ide_cd_pad_transfer(ide_drive_t *drive, xfer_func_t *xf, int len) -{ - while (len > 0) { - int dum = 0; - xf(drive, NULL, &dum, sizeof(dum)); - len -= sizeof(dum); - } -} - -static void ide_cd_drain_data(ide_drive_t *drive, int nsects) -{ - while (nsects > 0) { - static char dum[SECTOR_SIZE]; - - drive->hwif->input_data(drive, NULL, dum, sizeof(dum)); - nsects--; - } -} - -/* * Check the contents of the interrupt reason register from the cdrom * and attempt to recover if there are problems. Returns 0 if everything's * ok; nonzero if the request has been terminated. @@ -647,15 +613,12 @@ static int ide_cd_check_ireason(ide_drive_t *drive, struct request *rq, if (ireason == (!rw << 1)) return 0; else if (ireason == (rw << 1)) { - ide_hwif_t *hwif = drive->hwif; - xfer_func_t *xf; /* whoops... */ printk(KERN_ERR "%s: %s: wrong transfer direction!\n", drive->name, __func__); - xf = rw ? hwif->output_data : hwif->input_data; - ide_cd_pad_transfer(drive, xf, len); + ide_pad_transfer(drive, rw, len); } else if (rw == 0 && ireason == 1) { /* * Some drives (ASUS) seem to tell us that status info is @@ -703,16 +666,9 @@ static int ide_cd_check_transfer_size(ide_drive_t *drive, int len) static ide_startstop_t cdrom_newpc_intr(ide_drive_t *); -/* - * Routine to send a read/write packet command to the drive. This is usually - * called directly from cdrom_start_{read,write}(). However, for drq_interrupt - * devices, it is called from an interrupt when the drive is ready to accept - * the command. - */ -static ide_startstop_t cdrom_start_rw_cont(ide_drive_t *drive) +static ide_startstop_t ide_cd_prepare_rw_request(ide_drive_t *drive, + struct request *rq) { - struct request *rq = HWGROUP(drive)->rq; - if (rq_data_dir(rq) == READ) { unsigned short sectors_per_frame = queue_hardsect_size(drive->queue) >> SECTOR_BITS; @@ -749,6 +705,19 @@ static ide_startstop_t cdrom_start_rw_cont(ide_drive_t *drive) /* set up the command */ rq->timeout = ATAPI_WAIT_PC; + return ide_started; +} + +/* + * Routine to send a read/write packet command to the drive. This is usually + * called directly from cdrom_start_{read,write}(). However, for drq_interrupt + * devices, it is called from an interrupt when the drive is ready to accept + * the command. + */ +static ide_startstop_t cdrom_start_rw_cont(ide_drive_t *drive) +{ + struct request *rq = drive->hwif->hwgroup->rq; + /* send the command to the drive and return */ return cdrom_transfer_packet_command(drive, rq, cdrom_newpc_intr); } @@ -775,9 +744,8 @@ static ide_startstop_t cdrom_seek_intr(ide_drive_t *drive) return ide_stopped; } -static ide_startstop_t cdrom_start_seek_continuation(ide_drive_t *drive) +static void ide_cd_prepare_seek_request(ide_drive_t *drive, struct request *rq) { - struct request *rq = HWGROUP(drive)->rq; sector_t frame = rq->sector; sector_div(frame, queue_hardsect_size(drive->queue) >> SECTOR_BITS); @@ -787,17 +755,13 @@ static ide_startstop_t cdrom_start_seek_continuation(ide_drive_t *drive) put_unaligned(cpu_to_be32(frame), (unsigned int *) &rq->cmd[2]); rq->timeout = ATAPI_WAIT_PC; - return cdrom_transfer_packet_command(drive, rq, &cdrom_seek_intr); } -static ide_startstop_t cdrom_start_seek(ide_drive_t *drive, unsigned int block) +static ide_startstop_t cdrom_start_seek_continuation(ide_drive_t *drive) { - struct cdrom_info *info = drive->driver_data; + struct request *rq = drive->hwif->hwgroup->rq; - info->dma = 0; - info->start_seek = jiffies; - return cdrom_start_packet_command(drive, 0, - cdrom_start_seek_continuation); + return cdrom_transfer_packet_command(drive, rq, &cdrom_seek_intr); } /* @@ -838,34 +802,54 @@ static void ide_cd_request_sense_fixup(struct request *rq) } } -int ide_cd_queue_pc(ide_drive_t *drive, struct request *rq) +int ide_cd_queue_pc(ide_drive_t *drive, const unsigned char *cmd, + int write, void *buffer, unsigned *bufflen, + struct request_sense *sense, int timeout, + unsigned int cmd_flags) { - struct request_sense sense; + struct cdrom_info *info = drive->driver_data; + struct request_sense local_sense; int retries = 10; - unsigned int flags = rq->cmd_flags; + unsigned int flags = 0; - if (rq->sense == NULL) - rq->sense = &sense; + if (!sense) + sense = &local_sense; /* start of retry loop */ do { + struct request *rq; int error; - unsigned long time = jiffies; - rq->cmd_flags = flags; - error = ide_do_drive_cmd(drive, rq, ide_wait); - time = jiffies - time; + rq = blk_get_request(drive->queue, write, __GFP_WAIT); + + memcpy(rq->cmd, cmd, BLK_MAX_CDB); + rq->cmd_type = REQ_TYPE_ATA_PC; + rq->sense = sense; + rq->cmd_flags |= cmd_flags; + rq->timeout = timeout; + if (buffer) { + rq->data = buffer; + rq->data_len = *bufflen; + } + + error = blk_execute_rq(drive->queue, info->disk, rq, 0); + + if (buffer) + *bufflen = rq->data_len; + + flags = rq->cmd_flags; + blk_put_request(rq); /* * FIXME: we should probably abort/retry or something in case of * failure. */ - if (rq->cmd_flags & REQ_FAILED) { + if (flags & REQ_FAILED) { /* * The request failed. Retry if it was due to a unit * attention status (usually means media was changed). */ - struct request_sense *reqbuf = rq->sense; + struct request_sense *reqbuf = sense; if (reqbuf->sense_key == UNIT_ATTENTION) cdrom_saw_media_change(drive); @@ -885,10 +869,10 @@ int ide_cd_queue_pc(ide_drive_t *drive, struct request *rq) } /* end of retry loop */ - } while ((rq->cmd_flags & REQ_FAILED) && retries >= 0); + } while ((flags & REQ_FAILED) && retries >= 0); /* return an error if the command failed */ - return (rq->cmd_flags & REQ_FAILED) ? -EIO : 0; + return (flags & REQ_FAILED) ? -EIO : 0; } /* @@ -998,7 +982,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) - bio_cur_sectors(rq->bio), thislen >> 9); if (nskip > 0) { - ide_cd_drain_data(drive, nskip); + ide_pad_transfer(drive, write, nskip << 9); rq->current_nr_sectors -= nskip; thislen -= (nskip << 9); } @@ -1035,7 +1019,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) * If the buffers are full, pipe the rest into * oblivion. */ - ide_cd_drain_data(drive, thislen >> 9); + ide_pad_transfer(drive, 0, thislen); else { printk(KERN_ERR "%s: confused, missing data\n", drive->name); @@ -1083,7 +1067,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) /* pad, if necessary */ if (!blk_fs_request(rq) && len > 0) - ide_cd_pad_transfer(drive, xferfunc, len); + ide_pad_transfer(drive, write, len); if (blk_pc_request(rq)) { timeout = rq->timeout; @@ -1152,21 +1136,17 @@ static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq) if (write) cd->devinfo.media_written = 1; - /* start sending the read/write request to the drive */ - return cdrom_start_packet_command(drive, 32768, cdrom_start_rw_cont); + return ide_started; } static ide_startstop_t cdrom_do_newpc_cont(ide_drive_t *drive) { struct request *rq = HWGROUP(drive)->rq; - if (!rq->timeout) - rq->timeout = ATAPI_WAIT_PC; - return cdrom_transfer_packet_command(drive, rq, cdrom_newpc_intr); } -static ide_startstop_t cdrom_do_block_pc(ide_drive_t *drive, struct request *rq) +static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq) { struct cdrom_info *info = drive->driver_data; @@ -1178,10 +1158,16 @@ static ide_startstop_t cdrom_do_block_pc(ide_drive_t *drive, struct request *rq) info->dma = 0; /* sg request */ - if (rq->bio) { - int mask = drive->queue->dma_alignment; - unsigned long addr = - (unsigned long)page_address(bio_page(rq->bio)); + if (rq->bio || ((rq->cmd_type == REQ_TYPE_ATA_PC) && rq->data_len)) { + struct request_queue *q = drive->queue; + unsigned int alignment; + unsigned long addr; + unsigned long stack_mask = ~(THREAD_SIZE - 1); + + if (rq->bio) + addr = (unsigned long)bio_data(rq->bio); + else + addr = (unsigned long)rq->data; info->dma = drive->using_dma; @@ -1191,23 +1177,25 @@ static ide_startstop_t cdrom_do_block_pc(ide_drive_t *drive, struct request *rq) * NOTE! The "len" and "addr" checks should possibly have * separate masks. */ - if ((rq->data_len & 15) || (addr & mask)) + alignment = queue_dma_alignment(q) | q->dma_pad_mask; + if (addr & alignment || rq->data_len & alignment) info->dma = 0; - } - /* start sending the command to the drive */ - return cdrom_start_packet_command(drive, rq->data_len, - cdrom_do_newpc_cont); + if (!((addr & stack_mask) ^ + ((unsigned long)current->stack & stack_mask))) + info->dma = 0; + } } /* * cdrom driver request routine. */ -static ide_startstop_t ide_do_rw_cdrom(ide_drive_t *drive, struct request *rq, +static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq, sector_t block) { - ide_startstop_t action; struct cdrom_info *info = drive->driver_data; + ide_handler_t *fn; + int xferlen; if (blk_fs_request(rq)) { if (info->cd_flags & IDE_CD_FLAG_SEEKING) { @@ -1227,29 +1215,48 @@ static ide_startstop_t ide_do_rw_cdrom(ide_drive_t *drive, struct request *rq, } if (rq_data_dir(rq) == READ && IDE_LARGE_SEEK(info->last_block, block, - IDECD_SEEK_THRESHOLD) && - drive->dsc_overlap) - action = cdrom_start_seek(drive, block); - else - action = cdrom_start_rw(drive, rq); + IDECD_SEEK_THRESHOLD) && + drive->dsc_overlap) { + xferlen = 0; + fn = cdrom_start_seek_continuation; + + info->dma = 0; + info->start_seek = jiffies; + + ide_cd_prepare_seek_request(drive, rq); + } else { + xferlen = 32768; + fn = cdrom_start_rw_cont; + + if (cdrom_start_rw(drive, rq) == ide_stopped) + return ide_stopped; + + if (ide_cd_prepare_rw_request(drive, rq) == ide_stopped) + return ide_stopped; + } info->last_block = block; - return action; } else if (blk_sense_request(rq) || blk_pc_request(rq) || rq->cmd_type == REQ_TYPE_ATA_PC) { - return cdrom_do_block_pc(drive, rq); + xferlen = rq->data_len; + fn = cdrom_do_newpc_cont; + + if (!rq->timeout) + rq->timeout = ATAPI_WAIT_PC; + + cdrom_do_block_pc(drive, rq); } else if (blk_special_request(rq)) { /* right now this can only be a reset... */ cdrom_end_request(drive, 1); return ide_stopped; + } else { + blk_dump_rq_flags(rq, "ide-cd bad flags"); + cdrom_end_request(drive, 0); + return ide_stopped; } - blk_dump_rq_flags(rq, "ide-cd bad flags"); - cdrom_end_request(drive, 0); - return ide_stopped; + return cdrom_start_packet_command(drive, xferlen, fn); } - - /* * Ioctl handling. * @@ -1268,23 +1275,20 @@ static void msf_from_bcd(struct atapi_msf *msf) int cdrom_check_status(ide_drive_t *drive, struct request_sense *sense) { - struct request req; struct cdrom_info *info = drive->driver_data; struct cdrom_device_info *cdi = &info->devinfo; + unsigned char cmd[BLK_MAX_CDB]; - ide_cd_init_rq(drive, &req); - - req.sense = sense; - req.cmd[0] = GPCMD_TEST_UNIT_READY; - req.cmd_flags |= REQ_QUIET; + memset(cmd, 0, BLK_MAX_CDB); + cmd[0] = GPCMD_TEST_UNIT_READY; /* * Sanyo 3 CD changer uses byte 7 of TEST_UNIT_READY to switch CDs * instead of supporting the LOAD_UNLOAD opcode. */ - req.cmd[7] = cdi->sanyo_slot % 3; + cmd[7] = cdi->sanyo_slot % 3; - return ide_cd_queue_pc(drive, &req); + return ide_cd_queue_pc(drive, cmd, 0, NULL, 0, sense, 0, REQ_QUIET); } static int cdrom_read_capacity(ide_drive_t *drive, unsigned long *capacity, @@ -1297,17 +1301,14 @@ static int cdrom_read_capacity(ide_drive_t *drive, unsigned long *capacity, } capbuf; int stat; - struct request req; - - ide_cd_init_rq(drive, &req); + unsigned char cmd[BLK_MAX_CDB]; + unsigned len = sizeof(capbuf); - req.sense = sense; - req.cmd[0] = GPCMD_READ_CDVD_CAPACITY; - req.data = (char *)&capbuf; - req.data_len = sizeof(capbuf); - req.cmd_flags |= REQ_QUIET; + memset(cmd, 0, BLK_MAX_CDB); + cmd[0] = GPCMD_READ_CDVD_CAPACITY; - stat = ide_cd_queue_pc(drive, &req); + stat = ide_cd_queue_pc(drive, cmd, 0, &capbuf, &len, sense, 0, + REQ_QUIET); if (stat == 0) { *capacity = 1 + be32_to_cpu(capbuf.lba); *sectors_per_frame = @@ -1321,24 +1322,20 @@ static int cdrom_read_tocentry(ide_drive_t *drive, int trackno, int msf_flag, int format, char *buf, int buflen, struct request_sense *sense) { - struct request req; + unsigned char cmd[BLK_MAX_CDB]; - ide_cd_init_rq(drive, &req); + memset(cmd, 0, BLK_MAX_CDB); - req.sense = sense; - req.data = buf; - req.data_len = buflen; - req.cmd_flags |= REQ_QUIET; - req.cmd[0] = GPCMD_READ_TOC_PMA_ATIP; - req.cmd[6] = trackno; - req.cmd[7] = (buflen >> 8); - req.cmd[8] = (buflen & 0xff); - req.cmd[9] = (format << 6); + cmd[0] = GPCMD_READ_TOC_PMA_ATIP; + cmd[6] = trackno; + cmd[7] = (buflen >> 8); + cmd[8] = (buflen & 0xff); + cmd[9] = (format << 6); if (msf_flag) - req.cmd[1] = 2; + cmd[1] = 2; - return ide_cd_queue_pc(drive, &req); + return ide_cd_queue_pc(drive, cmd, 0, buf, &buflen, sense, 0, REQ_QUIET); } /* Try to read the entire TOC for the disk into our internal buffer. */ @@ -1869,6 +1866,7 @@ static int ide_cdrom_setup(ide_drive_t *drive) blk_queue_prep_rq(drive->queue, ide_cdrom_prep_fn); blk_queue_dma_alignment(drive->queue, 31); + blk_queue_update_dma_pad(drive->queue, 15); drive->queue->unplug_delay = (1 * HZ) / 1000; if (!drive->queue->unplug_delay) drive->queue->unplug_delay = 1; @@ -1951,10 +1949,9 @@ static ide_driver_t ide_cdrom_driver = { .version = IDECD_VERSION, .media = ide_cdrom, .supports_dsc_overlap = 1, - .do_request = ide_do_rw_cdrom, + .do_request = ide_cd_do_request, .end_request = ide_end_request, .error = __ide_error, - .abort = __ide_abort, #ifdef CONFIG_IDE_PROC_FS .proc = idecd_proc, #endif @@ -2103,11 +2100,6 @@ static int ide_cd_probe(ide_drive_t *drive) goto failed; } } - if (drive->scsi) { - printk(KERN_INFO "ide-cd: passing drive %s to ide-scsi " - "emulation.\n", drive->name); - goto failed; - } info = kzalloc(sizeof(struct cdrom_info), GFP_KERNEL); if (info == NULL) { printk(KERN_ERR "%s: Can't allocate a cdrom structure\n", diff --git a/drivers/ide/ide-cd.h b/drivers/ide/ide-cd.h index a58801c4484d..fe0ea36e4124 100644 --- a/drivers/ide/ide-cd.h +++ b/drivers/ide/ide-cd.h @@ -143,8 +143,8 @@ struct cdrom_info { void ide_cd_log_error(const char *, struct request *, struct request_sense *); /* ide-cd.c functions used by ide-cd_ioctl.c */ -void ide_cd_init_rq(ide_drive_t *, struct request *); -int ide_cd_queue_pc(ide_drive_t *, struct request *); +int ide_cd_queue_pc(ide_drive_t *, const unsigned char *, int, void *, + unsigned *, struct request_sense *, int, unsigned int); int ide_cd_read_toc(ide_drive_t *, struct request_sense *); int ide_cdrom_get_capabilities(ide_drive_t *, u8 *); void ide_cdrom_update_speed(ide_drive_t *, u8 *); diff --git a/drivers/ide/ide-cd_ioctl.c b/drivers/ide/ide-cd_ioctl.c index 6d147ce6782f..24d002addf73 100644 --- a/drivers/ide/ide-cd_ioctl.c +++ b/drivers/ide/ide-cd_ioctl.c @@ -104,8 +104,8 @@ int cdrom_eject(ide_drive_t *drive, int ejectflag, { struct cdrom_info *cd = drive->driver_data; struct cdrom_device_info *cdi = &cd->devinfo; - struct request req; char loej = 0x02; + unsigned char cmd[BLK_MAX_CDB]; if ((cd->cd_flags & IDE_CD_FLAG_NO_EJECT) && !ejectflag) return -EDRIVE_CANT_DO_THIS; @@ -114,17 +114,16 @@ int cdrom_eject(ide_drive_t *drive, int ejectflag, if ((cd->cd_flags & IDE_CD_FLAG_DOOR_LOCKED) && ejectflag) return 0; - ide_cd_init_rq(drive, &req); - /* only tell drive to close tray if open, if it can do that */ if (ejectflag && (cdi->mask & CDC_CLOSE_TRAY)) loej = 0; - req.sense = sense; - req.cmd[0] = GPCMD_START_STOP_UNIT; - req.cmd[4] = loej | (ejectflag != 0); + memset(cmd, 0, BLK_MAX_CDB); + + cmd[0] = GPCMD_START_STOP_UNIT; + cmd[4] = loej | (ejectflag != 0); - return ide_cd_queue_pc(drive, &req); + return ide_cd_queue_pc(drive, cmd, 0, NULL, 0, sense, 0, 0); } /* Lock the door if LOCKFLAG is nonzero; unlock it otherwise. */ @@ -134,7 +133,6 @@ int ide_cd_lockdoor(ide_drive_t *drive, int lockflag, { struct cdrom_info *cd = drive->driver_data; struct request_sense my_sense; - struct request req; int stat; if (sense == NULL) @@ -144,11 +142,15 @@ int ide_cd_lockdoor(ide_drive_t *drive, int lockflag, if (cd->cd_flags & IDE_CD_FLAG_NO_DOORLOCK) { stat = 0; } else { - ide_cd_init_rq(drive, &req); - req.sense = sense; - req.cmd[0] = GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL; - req.cmd[4] = lockflag ? 1 : 0; - stat = ide_cd_queue_pc(drive, &req); + unsigned char cmd[BLK_MAX_CDB]; + + memset(cmd, 0, BLK_MAX_CDB); + + cmd[0] = GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL; + cmd[4] = lockflag ? 1 : 0; + + stat = ide_cd_queue_pc(drive, cmd, 0, NULL, 0, + sense, 0, 0); } /* If we got an illegal field error, the drive @@ -206,32 +208,30 @@ int ide_cdrom_select_speed(struct cdrom_device_info *cdi, int speed) { ide_drive_t *drive = cdi->handle; struct cdrom_info *cd = drive->driver_data; - struct request rq; struct request_sense sense; u8 buf[ATAPI_CAPABILITIES_PAGE_SIZE]; int stat; - - ide_cd_init_rq(drive, &rq); - - rq.sense = &sense; + unsigned char cmd[BLK_MAX_CDB]; if (speed == 0) speed = 0xffff; /* set to max */ else speed *= 177; /* Nx to kbytes/s */ - rq.cmd[0] = GPCMD_SET_SPEED; + memset(cmd, 0, BLK_MAX_CDB); + + cmd[0] = GPCMD_SET_SPEED; /* Read Drive speed in kbytes/second MSB/LSB */ - rq.cmd[2] = (speed >> 8) & 0xff; - rq.cmd[3] = speed & 0xff; + cmd[2] = (speed >> 8) & 0xff; + cmd[3] = speed & 0xff; if ((cdi->mask & (CDC_CD_R | CDC_CD_RW | CDC_DVD_R)) != (CDC_CD_R | CDC_CD_RW | CDC_DVD_R)) { /* Write Drive speed in kbytes/second MSB/LSB */ - rq.cmd[4] = (speed >> 8) & 0xff; - rq.cmd[5] = speed & 0xff; + cmd[4] = (speed >> 8) & 0xff; + cmd[5] = speed & 0xff; } - stat = ide_cd_queue_pc(drive, &rq); + stat = ide_cd_queue_pc(drive, cmd, 0, NULL, 0, &sense, 0, 0); if (!ide_cdrom_get_capabilities(drive, buf)) { ide_cdrom_update_speed(drive, buf); @@ -268,21 +268,19 @@ int ide_cdrom_get_mcn(struct cdrom_device_info *cdi, { ide_drive_t *drive = cdi->handle; int stat, mcnlen; - struct request rq; char buf[24]; + unsigned char cmd[BLK_MAX_CDB]; + unsigned len = sizeof(buf); - ide_cd_init_rq(drive, &rq); + memset(cmd, 0, BLK_MAX_CDB); - rq.data = buf; - rq.data_len = sizeof(buf); + cmd[0] = GPCMD_READ_SUBCHANNEL; + cmd[1] = 2; /* MSF addressing */ + cmd[2] = 0x40; /* request subQ data */ + cmd[3] = 2; /* format */ + cmd[8] = len; - rq.cmd[0] = GPCMD_READ_SUBCHANNEL; - rq.cmd[1] = 2; /* MSF addressing */ - rq.cmd[2] = 0x40; /* request subQ data */ - rq.cmd[3] = 2; /* format */ - rq.cmd[8] = sizeof(buf); - - stat = ide_cd_queue_pc(drive, &rq); + stat = ide_cd_queue_pc(drive, cmd, 0, buf, &len, NULL, 0, 0); if (stat) return stat; @@ -298,14 +296,14 @@ int ide_cdrom_reset(struct cdrom_device_info *cdi) ide_drive_t *drive = cdi->handle; struct cdrom_info *cd = drive->driver_data; struct request_sense sense; - struct request req; + struct request *rq; int ret; - ide_cd_init_rq(drive, &req); - req.cmd_type = REQ_TYPE_SPECIAL; - req.cmd_flags = REQ_QUIET; - ret = ide_do_drive_cmd(drive, &req, ide_wait); - + rq = blk_get_request(drive->queue, READ, __GFP_WAIT); + rq->cmd_type = REQ_TYPE_SPECIAL; + rq->cmd_flags = REQ_QUIET; + ret = blk_execute_rq(drive->queue, cd->disk, rq, 0); + blk_put_request(rq); /* * A reset will unlock the door. If it was previously locked, * lock it again. @@ -351,8 +349,8 @@ static int ide_cd_fake_play_trkind(ide_drive_t *drive, void *arg) struct atapi_toc_entry *first_toc, *last_toc; unsigned long lba_start, lba_end; int stat; - struct request rq; struct request_sense sense; + unsigned char cmd[BLK_MAX_CDB]; stat = ide_cd_get_toc_entry(drive, ti->cdti_trk0, &first_toc); if (stat) @@ -370,14 +368,13 @@ static int ide_cd_fake_play_trkind(ide_drive_t *drive, void *arg) if (lba_end <= lba_start) return -EINVAL; - ide_cd_init_rq(drive, &rq); + memset(cmd, 0, BLK_MAX_CDB); - rq.sense = &sense; - rq.cmd[0] = GPCMD_PLAY_AUDIO_MSF; - lba_to_msf(lba_start, &rq.cmd[3], &rq.cmd[4], &rq.cmd[5]); - lba_to_msf(lba_end - 1, &rq.cmd[6], &rq.cmd[7], &rq.cmd[8]); + cmd[0] = GPCMD_PLAY_AUDIO_MSF; + lba_to_msf(lba_start, &cmd[3], &cmd[4], &cmd[5]); + lba_to_msf(lba_end - 1, &cmd[6], &cmd[7], &cmd[8]); - return ide_cd_queue_pc(drive, &rq); + return ide_cd_queue_pc(drive, cmd, 0, NULL, 0, &sense, 0, 0); } static int ide_cd_read_tochdr(ide_drive_t *drive, void *arg) @@ -447,8 +444,9 @@ int ide_cdrom_audio_ioctl(struct cdrom_device_info *cdi, int ide_cdrom_packet(struct cdrom_device_info *cdi, struct packet_command *cgc) { - struct request req; ide_drive_t *drive = cdi->handle; + unsigned int flags = 0; + unsigned len = cgc->buflen; if (cgc->timeout <= 0) cgc->timeout = ATAPI_WAIT_PC; @@ -456,24 +454,21 @@ int ide_cdrom_packet(struct cdrom_device_info *cdi, /* here we queue the commands from the uniform CD-ROM layer. the packet must be complete, as we do not touch it at all. */ - ide_cd_init_rq(drive, &req); if (cgc->data_direction == CGC_DATA_WRITE) - req.cmd_flags |= REQ_RW; + flags |= REQ_RW; - memcpy(req.cmd, cgc->cmd, CDROM_PACKET_SIZE); if (cgc->sense) memset(cgc->sense, 0, sizeof(struct request_sense)); - req.data = cgc->buffer; - req.data_len = cgc->buflen; - req.timeout = cgc->timeout; if (cgc->quiet) - req.cmd_flags |= REQ_QUIET; + flags |= REQ_QUIET; - req.sense = cgc->sense; - cgc->stat = ide_cd_queue_pc(drive, &req); + cgc->stat = ide_cd_queue_pc(drive, cgc->cmd, + cgc->data_direction == CGC_DATA_WRITE, + cgc->buffer, &len, + cgc->sense, cgc->timeout, flags); if (!cgc->stat) - cgc->buflen -= req.data_len; + cgc->buflen -= len; return cgc->stat; } diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 8e08d083fce9..3a2e80237c10 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -198,8 +198,7 @@ static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq, } memset(&task, 0, sizeof(task)); - task.tf_flags = IDE_TFLAG_NO_SELECT_MASK; /* FIXME? */ - task.tf_flags |= (IDE_TFLAG_TF | IDE_TFLAG_DEVICE); + task.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; if (drive->select.b.lba) { if (lba48) { @@ -617,7 +616,8 @@ static void idedisk_prepare_flush(struct request_queue *q, struct request *rq) */ static int set_multcount(ide_drive_t *drive, int arg) { - struct request rq; + struct request *rq; + int error; if (arg < 0 || arg > drive->id->max_multsect) return -EINVAL; @@ -625,12 +625,13 @@ static int set_multcount(ide_drive_t *drive, int arg) if (drive->special.b.set_multmode) return -EBUSY; - ide_init_drive_cmd(&rq); - rq.cmd_type = REQ_TYPE_ATA_TASKFILE; + rq = blk_get_request(drive->queue, READ, __GFP_WAIT); + rq->cmd_type = REQ_TYPE_ATA_TASKFILE; drive->mult_req = arg; drive->special.b.set_multmode = 1; - (void)ide_do_drive_cmd(drive, &rq, ide_wait); + error = blk_execute_rq(drive->queue, NULL, rq, 0); + blk_put_request(rq); return (drive->mult_count == arg) ? 0 : -EIO; } @@ -984,7 +985,6 @@ static ide_driver_t idedisk_driver = { .do_request = ide_do_rw_disk, .end_request = ide_end_request, .error = __ide_error, - .abort = __ide_abort, #ifdef CONFIG_IDE_PROC_FS .proc = idedisk_proc, #endif diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index 653b1ade13d3..7ee44f86bc54 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -463,7 +463,7 @@ int ide_dma_setup(ide_drive_t *drive) } /* PRD table */ - if (hwif->mmio) + if (hwif->host_flags & IDE_HFLAG_MMIO) writel(hwif->dmatable_dma, (void __iomem *)(hwif->dma_base + ATA_DMA_TABLE_OFS)); else @@ -692,7 +692,7 @@ static int ide_tune_dma(ide_drive_t *drive) ide_hwif_t *hwif = drive->hwif; u8 speed; - if (noautodma || drive->nodma || (drive->id->capability & 1) == 0) + if (drive->nodma || (drive->id->capability & 1) == 0) return 0; /* consult the list of known "bad" drives */ diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index f05fbc2bd7a8..011d72011cc4 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -286,11 +286,12 @@ static void idefloppy_queue_pc_head(ide_drive_t *drive, struct ide_atapi_pc *pc, { struct ide_floppy_obj *floppy = drive->driver_data; - ide_init_drive_cmd(rq); + blk_rq_init(NULL, rq); rq->buffer = (char *) pc; rq->cmd_type = REQ_TYPE_SPECIAL; + rq->cmd_flags |= REQ_PREEMPT; rq->rq_disk = floppy->disk; - (void) ide_do_drive_cmd(drive, rq, ide_preempt); + ide_do_drive_cmd(drive, rq); } static struct ide_atapi_pc *idefloppy_next_pc_storage(ide_drive_t *drive) @@ -311,61 +312,49 @@ static struct request *idefloppy_next_rq_storage(ide_drive_t *drive) return (&floppy->rq_stack[floppy->rq_stack_index++]); } -static void idefloppy_request_sense_callback(ide_drive_t *drive) +static void ide_floppy_callback(ide_drive_t *drive) { idefloppy_floppy_t *floppy = drive->driver_data; - u8 *buf = floppy->pc->buf; + struct ide_atapi_pc *pc = floppy->pc; + int uptodate = pc->error ? 0 : 1; debug_log("Reached %s\n", __func__); - if (!floppy->pc->error) { - floppy->sense_key = buf[2] & 0x0F; - floppy->asc = buf[12]; - floppy->ascq = buf[13]; - floppy->progress_indication = buf[15] & 0x80 ? - (u16)get_unaligned((u16 *)&buf[16]) : 0x10000; - - if (floppy->failed_pc) - debug_log("pc = %x, sense key = %x, asc = %x," - " ascq = %x\n", - floppy->failed_pc->c[0], - floppy->sense_key, - floppy->asc, - floppy->ascq); - else - debug_log("sense key = %x, asc = %x, ascq = %x\n", - floppy->sense_key, - floppy->asc, - floppy->ascq); + if (floppy->failed_pc == pc) + floppy->failed_pc = NULL; + if (pc->c[0] == GPCMD_READ_10 || pc->c[0] == GPCMD_WRITE_10 || + (pc->rq && blk_pc_request(pc->rq))) + uptodate = 1; /* FIXME */ + else if (pc->c[0] == GPCMD_REQUEST_SENSE) { + u8 *buf = floppy->pc->buf; - idefloppy_end_request(drive, 1, 0); - } else { - printk(KERN_ERR "Error in REQUEST SENSE itself - Aborting" - " request!\n"); - idefloppy_end_request(drive, 0, 0); - } -} + if (!pc->error) { + floppy->sense_key = buf[2] & 0x0F; + floppy->asc = buf[12]; + floppy->ascq = buf[13]; + floppy->progress_indication = buf[15] & 0x80 ? + (u16)get_unaligned((u16 *)&buf[16]) : 0x10000; -/* General packet command callback function. */ -static void idefloppy_pc_callback(ide_drive_t *drive) -{ - idefloppy_floppy_t *floppy = drive->driver_data; + if (floppy->failed_pc) + debug_log("pc = %x, ", floppy->failed_pc->c[0]); - debug_log("Reached %s\n", __func__); + debug_log("sense key = %x, asc = %x, ascq = %x\n", + floppy->sense_key, floppy->asc, floppy->ascq); + } else + printk(KERN_ERR "Error in REQUEST SENSE itself - " + "Aborting request!\n"); + } - idefloppy_end_request(drive, floppy->pc->error ? 0 : 1, 0); + idefloppy_end_request(drive, uptodate, 0); } static void idefloppy_init_pc(struct ide_atapi_pc *pc) { - memset(pc->c, 0, 12); - pc->retries = 0; - pc->flags = 0; - pc->req_xfer = 0; + memset(pc, 0, sizeof(*pc)); pc->buf = pc->pc_buf; pc->buf_size = IDEFLOPPY_PC_BUFFER_SIZE; - pc->idefloppy_callback = &idefloppy_pc_callback; + pc->callback = ide_floppy_callback; } static void idefloppy_create_request_sense_cmd(struct ide_atapi_pc *pc) @@ -374,7 +363,6 @@ static void idefloppy_create_request_sense_cmd(struct ide_atapi_pc *pc) pc->c[0] = GPCMD_REQUEST_SENSE; pc->c[4] = 255; pc->req_xfer = 18; - pc->idefloppy_callback = &idefloppy_request_sense_callback; } /* @@ -397,174 +385,19 @@ static void idefloppy_retry_pc(ide_drive_t *drive) static ide_startstop_t idefloppy_pc_intr(ide_drive_t *drive) { idefloppy_floppy_t *floppy = drive->driver_data; - ide_hwif_t *hwif = drive->hwif; - struct ide_atapi_pc *pc = floppy->pc; - struct request *rq = pc->rq; - xfer_func_t *xferfunc; - unsigned int temp; - int dma_error = 0; - u16 bcount; - u8 stat, ireason; - - debug_log("Reached %s interrupt handler\n", __func__); - - if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) { - dma_error = hwif->dma_ops->dma_end(drive); - if (dma_error) { - printk(KERN_ERR "%s: DMA %s error\n", drive->name, - rq_data_dir(rq) ? "write" : "read"); - pc->flags |= PC_FLAG_DMA_ERROR; - } else { - pc->xferred = pc->req_xfer; - idefloppy_update_buffers(drive, pc); - } - debug_log("DMA finished\n"); - } - - /* Clear the interrupt */ - stat = ide_read_status(drive); - - /* No more interrupts */ - if ((stat & DRQ_STAT) == 0) { - debug_log("Packet command completed, %d bytes transferred\n", - pc->xferred); - pc->flags &= ~PC_FLAG_DMA_IN_PROGRESS; - - local_irq_enable_in_hardirq(); - - if ((stat & ERR_STAT) || (pc->flags & PC_FLAG_DMA_ERROR)) { - /* Error detected */ - debug_log("%s: I/O error\n", drive->name); - rq->errors++; - if (pc->c[0] == GPCMD_REQUEST_SENSE) { - printk(KERN_ERR "ide-floppy: I/O error in " - "request sense command\n"); - return ide_do_reset(drive); - } - /* Retry operation */ - idefloppy_retry_pc(drive); - /* queued, but not started */ - return ide_stopped; - } - pc->error = 0; - if (floppy->failed_pc == pc) - floppy->failed_pc = NULL; - /* Command finished - Call the callback function */ - pc->idefloppy_callback(drive); - return ide_stopped; - } - - if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) { - pc->flags &= ~PC_FLAG_DMA_IN_PROGRESS; - printk(KERN_ERR "ide-floppy: The floppy wants to issue " - "more interrupts in DMA mode\n"); - ide_dma_off(drive); - return ide_do_reset(drive); - } - - /* Get the number of bytes to transfer */ - bcount = (hwif->INB(hwif->io_ports.lbah_addr) << 8) | - hwif->INB(hwif->io_ports.lbam_addr); - /* on this interrupt */ - ireason = hwif->INB(hwif->io_ports.nsect_addr); - - if (ireason & CD) { - printk(KERN_ERR "ide-floppy: CoD != 0 in %s\n", __func__); - return ide_do_reset(drive); - } - if (((ireason & IO) == IO) == !!(pc->flags & PC_FLAG_WRITING)) { - /* Hopefully, we will never get here */ - printk(KERN_ERR "ide-floppy: We wanted to %s, ", - (ireason & IO) ? "Write" : "Read"); - printk(KERN_ERR "but the floppy wants us to %s !\n", - (ireason & IO) ? "Read" : "Write"); - return ide_do_reset(drive); - } - if (!(pc->flags & PC_FLAG_WRITING)) { - /* Reading - Check that we have enough space */ - temp = pc->xferred + bcount; - if (temp > pc->req_xfer) { - if (temp > pc->buf_size) { - printk(KERN_ERR "ide-floppy: The floppy wants " - "to send us more data than expected " - "- discarding data\n"); - ide_pad_transfer(drive, 0, bcount); - - ide_set_handler(drive, - &idefloppy_pc_intr, - IDEFLOPPY_WAIT_CMD, - NULL); - return ide_started; - } - debug_log("The floppy wants to send us more data than" - " expected - allowing transfer\n"); - } - } - if (pc->flags & PC_FLAG_WRITING) - xferfunc = hwif->output_data; - else - xferfunc = hwif->input_data; - - if (pc->buf) - xferfunc(drive, NULL, pc->cur_pos, bcount); - else - ide_floppy_io_buffers(drive, pc, bcount, - !!(pc->flags & PC_FLAG_WRITING)); - /* Update the current position */ - pc->xferred += bcount; - pc->cur_pos += bcount; - - /* And set the interrupt handler again */ - ide_set_handler(drive, &idefloppy_pc_intr, IDEFLOPPY_WAIT_CMD, NULL); - return ide_started; + return ide_pc_intr(drive, floppy->pc, idefloppy_pc_intr, + IDEFLOPPY_WAIT_CMD, NULL, idefloppy_update_buffers, + idefloppy_retry_pc, NULL, ide_floppy_io_buffers); } /* - * This is the original routine that did the packet transfer. - * It fails at high speeds on the Iomega ZIP drive, so there's a slower version - * for that drive below. The algorithm is chosen based on drive type - */ -static ide_startstop_t idefloppy_transfer_pc(ide_drive_t *drive) -{ - ide_hwif_t *hwif = drive->hwif; - ide_startstop_t startstop; - idefloppy_floppy_t *floppy = drive->driver_data; - u8 ireason; - - if (ide_wait_stat(&startstop, drive, DRQ_STAT, BUSY_STAT, WAIT_READY)) { - printk(KERN_ERR "ide-floppy: Strange, packet command " - "initiated yet DRQ isn't asserted\n"); - return startstop; - } - ireason = hwif->INB(hwif->io_ports.nsect_addr); - if ((ireason & CD) == 0 || (ireason & IO)) { - printk(KERN_ERR "ide-floppy: (IO,CoD) != (0,1) while " - "issuing a packet command\n"); - return ide_do_reset(drive); - } - - /* Set the interrupt routine */ - ide_set_handler(drive, &idefloppy_pc_intr, IDEFLOPPY_WAIT_CMD, NULL); - - /* Send the actual packet */ - hwif->output_data(drive, NULL, floppy->pc->c, 12); - - return ide_started; -} - - -/* * What we have here is a classic case of a top half / bottom half interrupt * service routine. In interrupt mode, the device sends an interrupt to signal * that it is ready to receive a packet. However, we need to delay about 2-3 * ticks before issuing the packet or we gets in trouble. - * - * So, follow carefully. transfer_pc1 is called as an interrupt (or directly). - * In either case, when the device says it's ready for a packet, we schedule - * the packet transfer to occur about 2-3 ticks later in transfer_pc2. */ -static int idefloppy_transfer_pc2(ide_drive_t *drive) +static int idefloppy_transfer_pc(ide_drive_t *drive) { idefloppy_floppy_t *floppy = drive->driver_data; @@ -575,24 +408,19 @@ static int idefloppy_transfer_pc2(ide_drive_t *drive) return IDEFLOPPY_WAIT_CMD; } -static ide_startstop_t idefloppy_transfer_pc1(ide_drive_t *drive) + +/* + * Called as an interrupt (or directly). When the device says it's ready for a + * packet, we schedule the packet transfer to occur about 2-3 ticks later in + * transfer_pc. + */ +static ide_startstop_t idefloppy_start_pc_transfer(ide_drive_t *drive) { - ide_hwif_t *hwif = drive->hwif; idefloppy_floppy_t *floppy = drive->driver_data; - ide_startstop_t startstop; - u8 ireason; + struct ide_atapi_pc *pc = floppy->pc; + ide_expiry_t *expiry; + unsigned int timeout; - if (ide_wait_stat(&startstop, drive, DRQ_STAT, BUSY_STAT, WAIT_READY)) { - printk(KERN_ERR "ide-floppy: Strange, packet command " - "initiated yet DRQ isn't asserted\n"); - return startstop; - } - ireason = hwif->INB(hwif->io_ports.nsect_addr); - if ((ireason & CD) == 0 || (ireason & IO)) { - printk(KERN_ERR "ide-floppy: (IO,CoD) != (0,1) " - "while issuing a packet command\n"); - return ide_do_reset(drive); - } /* * The following delay solves a problem with ATAPI Zip 100 drives * where the Busy flag was apparently being deasserted before the @@ -601,10 +429,15 @@ static ide_startstop_t idefloppy_transfer_pc1(ide_drive_t *drive) * 40 and 50msec work well. idefloppy_pc_intr will not be actually * used until after the packet is moved in about 50 msec. */ + if (pc->flags & PC_FLAG_ZIP_DRIVE) { + timeout = floppy->ticks; + expiry = &idefloppy_transfer_pc; + } else { + timeout = IDEFLOPPY_WAIT_CMD; + expiry = NULL; + } - ide_set_handler(drive, &idefloppy_pc_intr, floppy->ticks, - &idefloppy_transfer_pc2); - return ide_started; + return ide_transfer_pc(drive, pc, idefloppy_pc_intr, timeout, expiry); } static void ide_floppy_report_error(idefloppy_floppy_t *floppy, @@ -627,10 +460,6 @@ static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive, struct ide_atapi_pc *pc) { idefloppy_floppy_t *floppy = drive->driver_data; - ide_hwif_t *hwif = drive->hwif; - ide_handler_t *pkt_xfer_routine; - u16 bcount; - u8 dma; if (floppy->failed_pc == NULL && pc->c[0] != GPCMD_REQUEST_SENSE) @@ -645,65 +474,16 @@ static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive, pc->error = IDEFLOPPY_ERROR_GENERAL; floppy->failed_pc = NULL; - pc->idefloppy_callback(drive); + pc->callback(drive); return ide_stopped; } debug_log("Retry number - %d\n", pc->retries); pc->retries++; - /* We haven't transferred any data yet */ - pc->xferred = 0; - pc->cur_pos = pc->buf; - bcount = min(pc->req_xfer, 63 * 1024); - - if (pc->flags & PC_FLAG_DMA_ERROR) { - pc->flags &= ~PC_FLAG_DMA_ERROR; - ide_dma_off(drive); - } - dma = 0; - - if ((pc->flags & PC_FLAG_DMA_RECOMMENDED) && drive->using_dma) - dma = !hwif->dma_ops->dma_setup(drive); - - ide_pktcmd_tf_load(drive, IDE_TFLAG_NO_SELECT_MASK | - IDE_TFLAG_OUT_DEVICE, bcount, dma); - if (dma) { - /* Begin DMA, if necessary */ - pc->flags |= PC_FLAG_DMA_IN_PROGRESS; - hwif->dma_ops->dma_start(drive); - } - - /* Can we transfer the packet when we get the interrupt or wait? */ - if (floppy->flags & IDEFLOPPY_FLAG_ZIP_DRIVE) { - /* wait */ - pkt_xfer_routine = &idefloppy_transfer_pc1; - } else { - /* immediate */ - pkt_xfer_routine = &idefloppy_transfer_pc; - } - - if (floppy->flags & IDEFLOPPY_FLAG_DRQ_INTERRUPT) { - /* Issue the packet command */ - ide_execute_command(drive, WIN_PACKETCMD, - pkt_xfer_routine, - IDEFLOPPY_WAIT_CMD, - NULL); - return ide_started; - } else { - /* Issue the packet command */ - ide_execute_pkt_cmd(drive); - return (*pkt_xfer_routine) (drive); - } -} - -static void idefloppy_rw_callback(ide_drive_t *drive) -{ - debug_log("Reached %s\n", __func__); - - idefloppy_end_request(drive, 1, 0); - return; + return ide_issue_pc(drive, pc, idefloppy_start_pc_transfer, + IDEFLOPPY_WAIT_CMD, NULL); } static void idefloppy_create_prevent_cmd(struct ide_atapi_pc *pc, int prevent) @@ -778,12 +558,6 @@ static void idefloppy_create_start_stop_cmd(struct ide_atapi_pc *pc, int start) pc->c[4] = start; } -static void idefloppy_create_test_unit_ready_cmd(struct ide_atapi_pc *pc) -{ - idefloppy_init_pc(pc); - pc->c[0] = GPCMD_TEST_UNIT_READY; -} - static void idefloppy_create_rw_cmd(idefloppy_floppy_t *floppy, struct ide_atapi_pc *pc, struct request *rq, unsigned long sector) @@ -800,21 +574,19 @@ static void idefloppy_create_rw_cmd(idefloppy_floppy_t *floppy, put_unaligned(cpu_to_be16(blocks), (unsigned short *)&pc->c[7]); put_unaligned(cpu_to_be32(block), (unsigned int *) &pc->c[2]); - pc->idefloppy_callback = &idefloppy_rw_callback; pc->rq = rq; pc->b_count = cmd == READ ? 0 : rq->bio->bi_size; if (rq->cmd_flags & REQ_RW) pc->flags |= PC_FLAG_WRITING; pc->buf = NULL; pc->req_xfer = pc->buf_size = blocks * floppy->block_size; - pc->flags |= PC_FLAG_DMA_RECOMMENDED; + pc->flags |= PC_FLAG_DMA_OK; } static void idefloppy_blockpc_cmd(idefloppy_floppy_t *floppy, struct ide_atapi_pc *pc, struct request *rq) { idefloppy_init_pc(pc); - pc->idefloppy_callback = &idefloppy_rw_callback; memcpy(pc->c, rq->cmd, sizeof(pc->c)); pc->rq = rq; pc->b_count = rq->data_len; @@ -822,7 +594,7 @@ static void idefloppy_blockpc_cmd(idefloppy_floppy_t *floppy, pc->flags |= PC_FLAG_WRITING; pc->buf = rq->data; if (rq->bio) - pc->flags |= PC_FLAG_DMA_RECOMMENDED; + pc->flags |= PC_FLAG_DMA_OK; /* * possibly problematic, doesn't look like ide-floppy correctly * handled scattered requests if dma fails... @@ -875,7 +647,14 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive, return ide_stopped; } + if (floppy->flags & IDEFLOPPY_FLAG_DRQ_INTERRUPT) + pc->flags |= PC_FLAG_DRQ_INTERRUPT; + + if (floppy->flags & IDEFLOPPY_FLAG_ZIP_DRIVE) + pc->flags |= PC_FLAG_ZIP_DRIVE; + pc->rq = rq; + return idefloppy_issue_pc(drive, pc); } @@ -886,14 +665,16 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive, static int idefloppy_queue_pc_tail(ide_drive_t *drive, struct ide_atapi_pc *pc) { struct ide_floppy_obj *floppy = drive->driver_data; - struct request rq; + struct request *rq; + int error; - ide_init_drive_cmd(&rq); - rq.buffer = (char *) pc; - rq.cmd_type = REQ_TYPE_SPECIAL; - rq.rq_disk = floppy->disk; + rq = blk_get_request(drive->queue, READ, __GFP_WAIT); + rq->buffer = (char *) pc; + rq->cmd_type = REQ_TYPE_SPECIAL; + error = blk_execute_rq(drive->queue, floppy->disk, rq, 0); + blk_put_request(rq); - return ide_do_drive_cmd(drive, &rq, ide_wait); + return error; } /* @@ -921,10 +702,10 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive) set_disk_ro(floppy->disk, floppy->wp); page = &pc.buf[8]; - transfer_rate = be16_to_cpu(*(u16 *)&pc.buf[8 + 2]); - sector_size = be16_to_cpu(*(u16 *)&pc.buf[8 + 6]); - cyls = be16_to_cpu(*(u16 *)&pc.buf[8 + 8]); - rpm = be16_to_cpu(*(u16 *)&pc.buf[8 + 28]); + transfer_rate = be16_to_cpup((__be16 *)&pc.buf[8 + 2]); + sector_size = be16_to_cpup((__be16 *)&pc.buf[8 + 6]); + cyls = be16_to_cpup((__be16 *)&pc.buf[8 + 8]); + rpm = be16_to_cpup((__be16 *)&pc.buf[8 + 28]); heads = pc.buf[8 + 4]; sectors = pc.buf[8 + 5]; @@ -999,8 +780,8 @@ static int ide_floppy_get_capacity(ide_drive_t *drive) for (i = 0; i < desc_cnt; i++) { unsigned int desc_start = 4 + i*8; - blocks = be32_to_cpu(*(u32 *)&pc.buf[desc_start]); - length = be16_to_cpu(*(u16 *)&pc.buf[desc_start + 6]); + blocks = be32_to_cpup((__be32 *)&pc.buf[desc_start]); + length = be16_to_cpup((__be16 *)&pc.buf[desc_start + 6]); debug_log("Descriptor %d: %dkB, %d blocks, %d sector size\n", i, blocks * length / 1024, blocks, length); @@ -1121,8 +902,8 @@ static int ide_floppy_get_format_capacities(ide_drive_t *drive, int __user *arg) if (u_index >= u_array_size) break; /* User-supplied buffer too small */ - blocks = be32_to_cpu(*(u32 *)&pc.buf[desc_start]); - length = be16_to_cpu(*(u16 *)&pc.buf[desc_start + 6]); + blocks = be32_to_cpup((__be32 *)&pc.buf[desc_start]); + length = be16_to_cpup((__be16 *)&pc.buf[desc_start + 6]); if (put_user(blocks, argp)) return(-EFAULT); @@ -1348,7 +1129,6 @@ static ide_driver_t idefloppy_driver = { .do_request = idefloppy_do_request, .end_request = idefloppy_end_request, .error = __ide_error, - .abort = __ide_abort, #ifdef CONFIG_IDE_PROC_FS .proc = idefloppy_proc, #endif @@ -1376,7 +1156,9 @@ static int idefloppy_open(struct inode *inode, struct file *filp) floppy->flags &= ~IDEFLOPPY_FLAG_FORMAT_IN_PROGRESS; /* Just in case */ - idefloppy_create_test_unit_ready_cmd(&pc); + idefloppy_init_pc(&pc); + pc.c[0] = GPCMD_TEST_UNIT_READY; + if (idefloppy_queue_pc_tail(drive, &pc)) { idefloppy_create_start_stop_cmd(&pc, 1); (void) idefloppy_queue_pc_tail(drive, &pc); @@ -1622,11 +1404,6 @@ static int ide_floppy_probe(ide_drive_t *drive) " of ide-floppy\n", drive->name); goto failed; } - if (drive->scsi) { - printk(KERN_INFO "ide-floppy: passing drive %s to ide-scsi" - " emulation.\n", drive->name); - goto failed; - } floppy = kzalloc(sizeof(idefloppy_floppy_t), GFP_KERNEL); if (!floppy) { printk(KERN_ERR "ide-floppy: %s: Can't allocate a floppy" diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c index a6073e248f45..2d92214096ab 100644 --- a/drivers/ide/ide-generic.c +++ b/drivers/ide/ide-generic.c @@ -22,6 +22,10 @@ #define DRV_NAME "ide_generic" +static int probe_mask = 0x03; +module_param(probe_mask, int, 0); +MODULE_PARM_DESC(probe_mask, "probe mask for legacy ISA IDE ports"); + static ssize_t store_add(struct class *cls, const char *buf, size_t n) { ide_hwif_t *hwif; @@ -89,6 +93,9 @@ static int __init ide_generic_init(void) u8 idx[MAX_HWIFS]; int i; + printk(KERN_INFO DRV_NAME ": please use \"probe_mask=0x3f\" module " + "parameter for probing all legacy ISA IDE ports\n"); + for (i = 0; i < MAX_HWIFS; i++) { ide_hwif_t *hwif; unsigned long io_addr = ide_default_io_base(i); @@ -96,7 +103,7 @@ static int __init ide_generic_init(void) idx[i] = 0xff; - if (io_addr) { + if ((probe_mask & (1 << i)) && io_addr) { if (!request_region(io_addr, 8, DRV_NAME)) { printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX " "not free.\n", @@ -125,6 +132,7 @@ static int __init ide_generic_init(void) memset(&hw, 0, sizeof(hw)); ide_std_init_ports(&hw, io_addr, io_addr + 0x206); hw.irq = ide_default_irq(io_addr); + hw.chipset = ide_generic; ide_init_port_hw(hwif, &hw); idx[i] = i; diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index 696525342e9a..661b75a89d4d 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -358,31 +358,6 @@ void ide_end_drive_cmd (ide_drive_t *drive, u8 stat, u8 err) EXPORT_SYMBOL(ide_end_drive_cmd); -/** - * try_to_flush_leftover_data - flush junk - * @drive: drive to flush - * - * try_to_flush_leftover_data() is invoked in response to a drive - * unexpectedly having its DRQ_STAT bit set. As an alternative to - * resetting the drive, this routine tries to clear the condition - * by read a sector's worth of data from the drive. Of course, - * this may not help if the drive is *waiting* for data from *us*. - */ -static void try_to_flush_leftover_data (ide_drive_t *drive) -{ - int i = (drive->mult_count ? drive->mult_count : 1) * SECTOR_WORDS; - - if (drive->media != ide_disk) - return; - while (i > 0) { - u32 buffer[16]; - u32 wcount = (i > 16) ? 16 : i; - - i -= wcount; - drive->hwif->input_data(drive, NULL, buffer, wcount * 4); - } -} - static void ide_kill_rq(ide_drive_t *drive, struct request *rq) { if (rq->rq_disk) { @@ -422,8 +397,11 @@ static ide_startstop_t ide_ata_error(ide_drive_t *drive, struct request *rq, u8 } if ((stat & DRQ_STAT) && rq_data_dir(rq) == READ && - (hwif->host_flags & IDE_HFLAG_ERROR_STOPS_FIFO) == 0) - try_to_flush_leftover_data(drive); + (hwif->host_flags & IDE_HFLAG_ERROR_STOPS_FIFO) == 0) { + int nsect = drive->mult_count ? drive->mult_count : 1; + + ide_pad_transfer(drive, READ, nsect * SECTOR_SIZE); + } if (rq->errors >= ERROR_MAX || blk_noretry_request(rq)) { ide_kill_rq(drive, rq); @@ -459,7 +437,7 @@ static ide_startstop_t ide_atapi_error(ide_drive_t *drive, struct request *rq, u if (ide_read_status(drive) & (BUSY_STAT | DRQ_STAT)) /* force an abort */ - hwif->OUTBSYNC(drive, WIN_IDLEIMMEDIATE, + hwif->OUTBSYNC(hwif, WIN_IDLEIMMEDIATE, hwif->io_ports.command_addr); if (rq->errors >= ERROR_MAX) { @@ -526,55 +504,6 @@ ide_startstop_t ide_error (ide_drive_t *drive, const char *msg, u8 stat) EXPORT_SYMBOL_GPL(ide_error); -ide_startstop_t __ide_abort(ide_drive_t *drive, struct request *rq) -{ - if (drive->media != ide_disk) - rq->errors |= ERROR_RESET; - - ide_kill_rq(drive, rq); - - return ide_stopped; -} - -EXPORT_SYMBOL_GPL(__ide_abort); - -/** - * ide_abort - abort pending IDE operations - * @drive: drive the error occurred on - * @msg: message to report - * - * ide_abort kills and cleans up when we are about to do a - * host initiated reset on active commands. Longer term we - * want handlers to have sensible abort handling themselves - * - * This differs fundamentally from ide_error because in - * this case the command is doing just fine when we - * blow it away. - */ - -ide_startstop_t ide_abort(ide_drive_t *drive, const char *msg) -{ - struct request *rq; - - if (drive == NULL || (rq = HWGROUP(drive)->rq) == NULL) - return ide_stopped; - - /* retry only "normal" I/O: */ - if (!blk_fs_request(rq)) { - rq->errors = 1; - ide_end_drive_cmd(drive, BUSY_STAT, 0); - return ide_stopped; - } - - if (rq->rq_disk) { - ide_driver_t *drv; - - drv = *(ide_driver_t **)rq->rq_disk->private_data; - return drv->abort(drive, rq); - } else - return __ide_abort(drive, rq); -} - static void ide_tf_set_specify_cmd(ide_drive_t *drive, struct ide_taskfile *tf) { tf->nsect = drive->sect; @@ -788,6 +717,18 @@ static ide_startstop_t execute_drive_cmd (ide_drive_t *drive, return ide_stopped; } +static ide_startstop_t ide_special_rq(ide_drive_t *drive, struct request *rq) +{ + switch (rq->cmd[0]) { + case REQ_DRIVE_RESET: + return ide_do_reset(drive); + default: + blk_dump_rq_flags(rq, "ide_special_rq - bad request"); + ide_end_request(drive, 0, 0); + return ide_stopped; + } +} + static void ide_check_pm_state(ide_drive_t *drive, struct request *rq) { struct request_pm_state *pm = rq->data; @@ -891,7 +832,16 @@ static ide_startstop_t start_request (ide_drive_t *drive, struct request *rq) pm->pm_step == ide_pm_state_completed) ide_complete_pm_request(drive, rq); return startstop; - } + } else if (!rq->rq_disk && blk_special_request(rq)) + /* + * TODO: Once all ULDs have been modified to + * check for specific op codes rather than + * blindly accepting any special request, the + * check for ->rq_disk above may be replaced + * by a more suitable mechanism or even + * dropped entirely. + */ + return ide_special_rq(drive, rq); drv = *(ide_driver_t **)rq->rq_disk->private_data; return drv->do_request(drive, rq, block); @@ -1539,88 +1489,30 @@ irqreturn_t ide_intr (int irq, void *dev_id) } /** - * ide_init_drive_cmd - initialize a drive command request - * @rq: request object - * - * Initialize a request before we fill it in and send it down to - * ide_do_drive_cmd. Commands must be set up by this function. Right - * now it doesn't do a lot, but if that changes abusers will have a - * nasty surprise. - */ - -void ide_init_drive_cmd (struct request *rq) -{ - blk_rq_init(NULL, rq); -} - -EXPORT_SYMBOL(ide_init_drive_cmd); - -/** * ide_do_drive_cmd - issue IDE special command * @drive: device to issue command * @rq: request to issue - * @action: action for processing * * This function issues a special IDE device request * onto the request queue. * - * If action is ide_wait, then the rq is queued at the end of the - * request queue, and the function sleeps until it has been processed. - * This is for use when invoked from an ioctl handler. - * - * If action is ide_preempt, then the rq is queued at the head of - * the request queue, displacing the currently-being-processed - * request and this function returns immediately without waiting - * for the new rq to be completed. This is VERY DANGEROUS, and is - * intended for careful use by the ATAPI tape/cdrom driver code. - * - * If action is ide_end, then the rq is queued at the end of the - * request queue, and the function returns immediately without waiting - * for the new rq to be completed. This is again intended for careful - * use by the ATAPI tape/cdrom driver code. + * the rq is queued at the head of the request queue, displacing + * the currently-being-processed request and this function + * returns immediately without waiting for the new rq to be + * completed. This is VERY DANGEROUS, and is intended for + * careful use by the ATAPI tape/cdrom driver code. */ - -int ide_do_drive_cmd (ide_drive_t *drive, struct request *rq, ide_action_t action) + +void ide_do_drive_cmd(ide_drive_t *drive, struct request *rq) { unsigned long flags; ide_hwgroup_t *hwgroup = HWGROUP(drive); - DECLARE_COMPLETION_ONSTACK(wait); - int where = ELEVATOR_INSERT_BACK, err; - int must_wait = (action == ide_wait || action == ide_head_wait); - - rq->errors = 0; - - /* - * we need to hold an extra reference to request for safe inspection - * after completion - */ - if (must_wait) { - rq->ref_count++; - rq->end_io_data = &wait; - rq->end_io = blk_end_sync_rq; - } spin_lock_irqsave(&ide_lock, flags); - if (action == ide_preempt) - hwgroup->rq = NULL; - if (action == ide_preempt || action == ide_head_wait) { - where = ELEVATOR_INSERT_FRONT; - rq->cmd_flags |= REQ_PREEMPT; - } - __elv_add_request(drive->queue, rq, where, 0); - ide_do_request(hwgroup, IDE_NO_IRQ); + hwgroup->rq = NULL; + __elv_add_request(drive->queue, rq, ELEVATOR_INSERT_FRONT, 1); + __generic_unplug_device(drive->queue); spin_unlock_irqrestore(&ide_lock, flags); - - err = 0; - if (must_wait) { - wait_for_completion(&wait); - if (rq->errors) - err = -EIO; - - blk_put_request(rq); - } - - return err; } EXPORT_SYMBOL(ide_do_drive_cmd); @@ -1637,6 +1529,8 @@ void ide_pktcmd_tf_load(ide_drive_t *drive, u32 tf_flags, u16 bcount, u8 dma) task.tf.lbah = (bcount >> 8) & 0xff; ide_tf_dump(drive->name, &task.tf); + ide_set_irq(drive, 1); + SELECT_MASK(drive, 0); drive->hwif->tf_load(drive, &task); } diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index 0daf923541ff..44aaec256a30 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -42,7 +42,7 @@ static void ide_outb (u8 val, unsigned long port) outb(val, port); } -static void ide_outbsync (ide_drive_t *drive, u8 addr, unsigned long port) +static void ide_outbsync(ide_hwif_t *hwif, u8 addr, unsigned long port) { outb(addr, port); } @@ -68,7 +68,7 @@ static void ide_mm_outb (u8 value, unsigned long port) writeb(value, (void __iomem *) port); } -static void ide_mm_outbsync (ide_drive_t *drive, u8 value, unsigned long port) +static void ide_mm_outbsync(ide_hwif_t *hwif, u8 value, unsigned long port) { writeb(value, (void __iomem *) port); } @@ -95,7 +95,7 @@ void SELECT_DRIVE (ide_drive_t *drive) hwif->OUTB(drive->select.all, hwif->io_ports.device_addr); } -static void SELECT_MASK(ide_drive_t *drive, int mask) +void SELECT_MASK(ide_drive_t *drive, int mask) { const struct ide_port_ops *port_ops = drive->hwif->port_ops; @@ -120,11 +120,6 @@ static void ide_tf_load(ide_drive_t *drive, ide_task_t *task) if (task->tf_flags & IDE_TFLAG_FLAGGED) HIHI = 0xFF; - ide_set_irq(drive, 1); - - if ((task->tf_flags & IDE_TFLAG_NO_SELECT_MASK) == 0) - SELECT_MASK(drive, 0); - if (task->tf_flags & IDE_TFLAG_OUT_DATA) { u16 data = (tf->hob_data << 8) | tf->data; @@ -191,7 +186,7 @@ static void ide_tf_read(ide_drive_t *drive, ide_task_t *task) } /* be sure we're looking at the low order bits */ - tf_outb(drive->ctl & ~0x80, io_ports->ctl_addr); + tf_outb(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr); if (task->tf_flags & IDE_TFLAG_IN_NSECT) tf->nsect = tf_inb(io_ports->nsect_addr); @@ -205,7 +200,7 @@ static void ide_tf_read(ide_drive_t *drive, ide_task_t *task) tf->device = tf_inb(io_ports->device_addr); if (task->tf_flags & IDE_TFLAG_LBA48) { - tf_outb(drive->ctl | 0x80, io_ports->ctl_addr); + tf_outb(ATA_DEVCTL_OBS | 0x80, io_ports->ctl_addr); if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE) tf->hob_feature = tf_inb(io_ports->feature_addr); @@ -689,9 +684,9 @@ int ide_driveid_update(ide_drive_t *drive) */ SELECT_MASK(drive, 1); - ide_set_irq(drive, 1); + ide_set_irq(drive, 0); msleep(50); - hwif->OUTBSYNC(drive, WIN_IDENTIFY, hwif->io_ports.command_addr); + hwif->OUTBSYNC(hwif, WIN_IDENTIFY, hwif->io_ports.command_addr); timeout = jiffies + WAIT_WORSTCASE; do { if (time_after(jiffies, timeout)) { @@ -744,9 +739,6 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed) int error = 0; u8 stat; -// while (HWGROUP(drive)->busy) -// msleep(50); - #ifdef CONFIG_BLK_DEV_IDEDMA if (hwif->dma_ops) /* check if host supports DMA */ hwif->dma_ops->dma_host_set(drive, 0); @@ -781,7 +773,7 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed) ide_set_irq(drive, 0); hwif->OUTB(speed, io_ports->nsect_addr); hwif->OUTB(SETFEATURES_XFER, io_ports->feature_addr); - hwif->OUTBSYNC(drive, WIN_SETFEATURES, io_ports->command_addr); + hwif->OUTBSYNC(hwif, WIN_SETFEATURES, io_ports->command_addr); if (drive->quirk_list == 2) ide_set_irq(drive, 1); @@ -889,7 +881,7 @@ void ide_execute_command(ide_drive_t *drive, u8 cmd, ide_handler_t *handler, spin_lock_irqsave(&ide_lock, flags); __ide_set_handler(drive, handler, timeout, expiry); - hwif->OUTBSYNC(drive, cmd, hwif->io_ports.command_addr); + hwif->OUTBSYNC(hwif, cmd, hwif->io_ports.command_addr); /* * Drive takes 400nS to respond, we must avoid the IRQ being * serviced before that. @@ -907,12 +899,20 @@ void ide_execute_pkt_cmd(ide_drive_t *drive) unsigned long flags; spin_lock_irqsave(&ide_lock, flags); - hwif->OUTBSYNC(drive, WIN_PACKETCMD, hwif->io_ports.command_addr); + hwif->OUTBSYNC(hwif, WIN_PACKETCMD, hwif->io_ports.command_addr); ndelay(400); spin_unlock_irqrestore(&ide_lock, flags); } EXPORT_SYMBOL_GPL(ide_execute_pkt_cmd); +static inline void ide_complete_drive_reset(ide_drive_t *drive, int err) +{ + struct request *rq = drive->hwif->hwgroup->rq; + + if (rq && blk_special_request(rq) && rq->cmd[0] == REQ_DRIVE_RESET) + ide_end_request(drive, err ? err : 1, 0); +} + /* needed below */ static ide_startstop_t do_reset1 (ide_drive_t *, int); @@ -948,7 +948,7 @@ static ide_startstop_t atapi_reset_pollfunc (ide_drive_t *drive) } /* done polling */ hwgroup->polling = 0; - hwgroup->resetting = 0; + ide_complete_drive_reset(drive, 0); return ide_stopped; } @@ -964,12 +964,14 @@ static ide_startstop_t reset_pollfunc (ide_drive_t *drive) ide_hwif_t *hwif = HWIF(drive); const struct ide_port_ops *port_ops = hwif->port_ops; u8 tmp; + int err = 0; if (port_ops && port_ops->reset_poll) { - if (port_ops->reset_poll(drive)) { + err = port_ops->reset_poll(drive); + if (err) { printk(KERN_ERR "%s: host reset_poll failure for %s.\n", hwif->name, drive->name); - return ide_stopped; + goto out; } } @@ -983,6 +985,7 @@ static ide_startstop_t reset_pollfunc (ide_drive_t *drive) } printk("%s: reset timed-out, status=0x%02x\n", hwif->name, tmp); drive->failures++; + err = -EIO; } else { printk("%s: reset: ", hwif->name); tmp = ide_read_error(drive); @@ -1009,10 +1012,12 @@ static ide_startstop_t reset_pollfunc (ide_drive_t *drive) if (tmp & 0x80) printk("; slave: failed"); printk("\n"); + err = -EIO; } } +out: hwgroup->polling = 0; /* done polling */ - hwgroup->resetting = 0; /* done reset attempt */ + ide_complete_drive_reset(drive, err); return ide_stopped; } @@ -1098,11 +1103,10 @@ static ide_startstop_t do_reset1 (ide_drive_t *drive, int do_not_try_atapi) /* For an ATAPI device, first try an ATAPI SRST. */ if (drive->media != ide_disk && !do_not_try_atapi) { - hwgroup->resetting = 1; pre_reset(drive); SELECT_DRIVE(drive); udelay (20); - hwif->OUTBSYNC(drive, WIN_SRST, io_ports->command_addr); + hwif->OUTBSYNC(hwif, WIN_SRST, io_ports->command_addr); ndelay(400); hwgroup->poll_timeout = jiffies + WAIT_WORSTCASE; hwgroup->polling = 1; @@ -1120,10 +1124,10 @@ static ide_startstop_t do_reset1 (ide_drive_t *drive, int do_not_try_atapi) if (io_ports->ctl_addr == 0) { spin_unlock_irqrestore(&ide_lock, flags); + ide_complete_drive_reset(drive, -ENXIO); return ide_stopped; } - hwgroup->resetting = 1; /* * Note that we also set nIEN while resetting the device, * to mask unwanted interrupts from the interface during the reset. @@ -1133,14 +1137,14 @@ static ide_startstop_t do_reset1 (ide_drive_t *drive, int do_not_try_atapi) * recover from reset very quickly, saving us the first 50ms wait time. */ /* set SRST and nIEN */ - hwif->OUTBSYNC(drive, drive->ctl|6, io_ports->ctl_addr); + hwif->OUTBSYNC(hwif, ATA_DEVCTL_OBS | 6, io_ports->ctl_addr); /* more than enough time */ udelay(10); if (drive->quirk_list == 2) - ctl = drive->ctl; /* clear SRST and nIEN */ + ctl = ATA_DEVCTL_OBS; /* clear SRST and nIEN */ else - ctl = drive->ctl | 2; /* clear SRST, leave nIEN */ - hwif->OUTBSYNC(drive, ctl, io_ports->ctl_addr); + ctl = ATA_DEVCTL_OBS | 2; /* clear SRST, leave nIEN */ + hwif->OUTBSYNC(hwif, ctl, io_ports->ctl_addr); /* more than enough time */ udelay(10); hwgroup->poll_timeout = jiffies + WAIT_WORSTCASE; diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c index 47af80df6872..13af72f09ec4 100644 --- a/drivers/ide/ide-lib.c +++ b/drivers/ide/ide-lib.c @@ -1,26 +1,11 @@ -#include <linux/module.h> #include <linux/types.h> #include <linux/string.h> #include <linux/kernel.h> -#include <linux/timer.h> -#include <linux/mm.h> #include <linux/interrupt.h> -#include <linux/major.h> -#include <linux/errno.h> -#include <linux/genhd.h> -#include <linux/blkpg.h> -#include <linux/slab.h> -#include <linux/pci.h> -#include <linux/delay.h> #include <linux/hdreg.h> #include <linux/ide.h> #include <linux/bitops.h> -#include <asm/byteorder.h> -#include <asm/irq.h> -#include <asm/uaccess.h> -#include <asm/io.h> - static const char *udma_str[] = { "UDMA/16", "UDMA/25", "UDMA/33", "UDMA/44", "UDMA/66", "UDMA/100", "UDMA/133", "UDMA7" }; @@ -90,142 +75,6 @@ static u8 ide_rate_filter(ide_drive_t *drive, u8 speed) return min(speed, mode); } -/* - * Standard (generic) timings for PIO modes, from ATA2 specification. - * These timings are for access to the IDE data port register *only*. - * Some drives may specify a mode, while also specifying a different - * value for cycle_time (from drive identification data). - */ -const ide_pio_timings_t ide_pio_timings[6] = { - { 70, 165, 600 }, /* PIO Mode 0 */ - { 50, 125, 383 }, /* PIO Mode 1 */ - { 30, 100, 240 }, /* PIO Mode 2 */ - { 30, 80, 180 }, /* PIO Mode 3 with IORDY */ - { 25, 70, 120 }, /* PIO Mode 4 with IORDY */ - { 20, 50, 100 } /* PIO Mode 5 with IORDY (nonstandard) */ -}; - -EXPORT_SYMBOL_GPL(ide_pio_timings); - -/* - * Shared data/functions for determining best PIO mode for an IDE drive. - * Most of this stuff originally lived in cmd640.c, and changes to the - * ide_pio_blacklist[] table should be made with EXTREME CAUTION to avoid - * breaking the fragile cmd640.c support. - */ - -/* - * Black list. Some drives incorrectly report their maximal PIO mode, - * at least in respect to CMD640. Here we keep info on some known drives. - */ -static struct ide_pio_info { - const char *name; - int pio; -} ide_pio_blacklist [] = { - { "Conner Peripherals 540MB - CFS540A", 3 }, - - { "WDC AC2700", 3 }, - { "WDC AC2540", 3 }, - { "WDC AC2420", 3 }, - { "WDC AC2340", 3 }, - { "WDC AC2250", 0 }, - { "WDC AC2200", 0 }, - { "WDC AC21200", 4 }, - { "WDC AC2120", 0 }, - { "WDC AC2850", 3 }, - { "WDC AC1270", 3 }, - { "WDC AC1170", 1 }, - { "WDC AC1210", 1 }, - { "WDC AC280", 0 }, - { "WDC AC31000", 3 }, - { "WDC AC31200", 3 }, - - { "Maxtor 7131 AT", 1 }, - { "Maxtor 7171 AT", 1 }, - { "Maxtor 7213 AT", 1 }, - { "Maxtor 7245 AT", 1 }, - { "Maxtor 7345 AT", 1 }, - { "Maxtor 7546 AT", 3 }, - { "Maxtor 7540 AV", 3 }, - - { "SAMSUNG SHD-3121A", 1 }, - { "SAMSUNG SHD-3122A", 1 }, - { "SAMSUNG SHD-3172A", 1 }, - - { "ST5660A", 3 }, - { "ST3660A", 3 }, - { "ST3630A", 3 }, - { "ST3655A", 3 }, - { "ST3391A", 3 }, - { "ST3390A", 1 }, - { "ST3600A", 1 }, - { "ST3290A", 0 }, - { "ST3144A", 0 }, - { "ST3491A", 1 }, /* reports 3, should be 1 or 2 (depending on */ - /* drive) according to Seagates FIND-ATA program */ - - { "QUANTUM ELS127A", 0 }, - { "QUANTUM ELS170A", 0 }, - { "QUANTUM LPS240A", 0 }, - { "QUANTUM LPS210A", 3 }, - { "QUANTUM LPS270A", 3 }, - { "QUANTUM LPS365A", 3 }, - { "QUANTUM LPS540A", 3 }, - { "QUANTUM LIGHTNING 540A", 3 }, - { "QUANTUM LIGHTNING 730A", 3 }, - - { "QUANTUM FIREBALL_540", 3 }, /* Older Quantum Fireballs don't work */ - { "QUANTUM FIREBALL_640", 3 }, - { "QUANTUM FIREBALL_1080", 3 }, - { "QUANTUM FIREBALL_1280", 3 }, - { NULL, 0 } -}; - -/** - * ide_scan_pio_blacklist - check for a blacklisted drive - * @model: Drive model string - * - * This routine searches the ide_pio_blacklist for an entry - * matching the start/whole of the supplied model name. - * - * Returns -1 if no match found. - * Otherwise returns the recommended PIO mode from ide_pio_blacklist[]. - */ - -static int ide_scan_pio_blacklist (char *model) -{ - struct ide_pio_info *p; - - for (p = ide_pio_blacklist; p->name != NULL; p++) { - if (strncmp(p->name, model, strlen(p->name)) == 0) - return p->pio; - } - return -1; -} - -unsigned int ide_pio_cycle_time(ide_drive_t *drive, u8 pio) -{ - struct hd_driveid *id = drive->id; - int cycle_time = 0; - - if (id->field_valid & 2) { - if (id->capability & 8) - cycle_time = id->eide_pio_iordy; - else - cycle_time = id->eide_pio; - } - - /* conservative "downgrade" for all pre-ATA2 drives */ - if (pio < 3) { - if (cycle_time && cycle_time < ide_pio_timings[pio].cycle_time) - cycle_time = 0; /* use standard timing */ - } - - return cycle_time ? cycle_time : ide_pio_timings[pio].cycle_time; -} - -EXPORT_SYMBOL_GPL(ide_pio_cycle_time); - /** * ide_get_best_pio_mode - get PIO mode from drive * @drive: drive to consider diff --git a/drivers/ide/ide-pio-blacklist.c b/drivers/ide/ide-pio-blacklist.c new file mode 100644 index 000000000000..a8c2c8f8660a --- /dev/null +++ b/drivers/ide/ide-pio-blacklist.c @@ -0,0 +1,94 @@ +/* + * PIO blacklist. Some drives incorrectly report their maximal PIO mode, + * at least in respect to CMD640. Here we keep info on some known drives. + * + * Changes to the ide_pio_blacklist[] should be made with EXTREME CAUTION + * to avoid breaking the fragile cmd640.c support. + */ + +#include <linux/string.h> + +static struct ide_pio_info { + const char *name; + int pio; +} ide_pio_blacklist [] = { + { "Conner Peripherals 540MB - CFS540A", 3 }, + + { "WDC AC2700", 3 }, + { "WDC AC2540", 3 }, + { "WDC AC2420", 3 }, + { "WDC AC2340", 3 }, + { "WDC AC2250", 0 }, + { "WDC AC2200", 0 }, + { "WDC AC21200", 4 }, + { "WDC AC2120", 0 }, + { "WDC AC2850", 3 }, + { "WDC AC1270", 3 }, + { "WDC AC1170", 1 }, + { "WDC AC1210", 1 }, + { "WDC AC280", 0 }, + { "WDC AC31000", 3 }, + { "WDC AC31200", 3 }, + + { "Maxtor 7131 AT", 1 }, + { "Maxtor 7171 AT", 1 }, + { "Maxtor 7213 AT", 1 }, + { "Maxtor 7245 AT", 1 }, + { "Maxtor 7345 AT", 1 }, + { "Maxtor 7546 AT", 3 }, + { "Maxtor 7540 AV", 3 }, + + { "SAMSUNG SHD-3121A", 1 }, + { "SAMSUNG SHD-3122A", 1 }, + { "SAMSUNG SHD-3172A", 1 }, + + { "ST5660A", 3 }, + { "ST3660A", 3 }, + { "ST3630A", 3 }, + { "ST3655A", 3 }, + { "ST3391A", 3 }, + { "ST3390A", 1 }, + { "ST3600A", 1 }, + { "ST3290A", 0 }, + { "ST3144A", 0 }, + { "ST3491A", 1 }, /* reports 3, should be 1 or 2 (depending on drive) + according to Seagate's FIND-ATA program */ + + { "QUANTUM ELS127A", 0 }, + { "QUANTUM ELS170A", 0 }, + { "QUANTUM LPS240A", 0 }, + { "QUANTUM LPS210A", 3 }, + { "QUANTUM LPS270A", 3 }, + { "QUANTUM LPS365A", 3 }, + { "QUANTUM LPS540A", 3 }, + { "QUANTUM LIGHTNING 540A", 3 }, + { "QUANTUM LIGHTNING 730A", 3 }, + + { "QUANTUM FIREBALL_540", 3 }, /* Older Quantum Fireballs don't work */ + { "QUANTUM FIREBALL_640", 3 }, + { "QUANTUM FIREBALL_1080", 3 }, + { "QUANTUM FIREBALL_1280", 3 }, + { NULL, 0 } +}; + +/** + * ide_scan_pio_blacklist - check for a blacklisted drive + * @model: Drive model string + * + * This routine searches the ide_pio_blacklist for an entry + * matching the start/whole of the supplied model name. + * + * Returns -1 if no match found. + * Otherwise returns the recommended PIO mode from ide_pio_blacklist[]. + */ + +int ide_scan_pio_blacklist(char *model) +{ + struct ide_pio_info *p; + + for (p = ide_pio_blacklist; p->name != NULL; p++) { + if (strncmp(p->name, model, strlen(p->name)) == 0) + return p->pio; + } + return -1; +} diff --git a/drivers/ide/ide-pnp.c b/drivers/ide/ide-pnp.c index 6a8953f68e9f..03f2ef5470a3 100644 --- a/drivers/ide/ide-pnp.c +++ b/drivers/ide/ide-pnp.c @@ -33,6 +33,8 @@ static int idepnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id) ide_hwif_t *hwif; unsigned long base, ctl; + printk(KERN_INFO DRV_NAME ": generic PnP IDE interface\n"); + if (!(pnp_port_valid(dev, 0) && pnp_port_valid(dev, 1) && pnp_irq_valid(dev, 0))) return -1; @@ -55,16 +57,15 @@ static int idepnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id) memset(&hw, 0, sizeof(hw)); ide_std_init_ports(&hw, base, ctl); hw.irq = pnp_irq(dev, 0); + hw.chipset = ide_generic; hwif = ide_find_port(); if (hwif) { u8 index = hwif->index; u8 idx[4] = { index, 0xff, 0xff, 0xff }; - ide_init_port_data(hwif, index); ide_init_port_hw(hwif, &hw); - printk(KERN_INFO "ide%d: generic PnP IDE interface\n", index); pnp_set_drvdata(dev, hwif); ide_device_add(idx, NULL); diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 655ec7ef568a..235ebdb29b28 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -39,6 +39,8 @@ #include <asm/uaccess.h> #include <asm/io.h> +static ide_hwif_t ide_hwifs[MAX_HWIFS]; /* master data repository */ + /** * generic_id - add a generic drive id * @drive: drive to make an ID block for @@ -293,7 +295,7 @@ static int actual_try_to_identify (ide_drive_t *drive, u8 cmd) hwif->OUTB(0, io_ports->feature_addr); /* ask drive for ID */ - hwif->OUTBSYNC(drive, cmd, io_ports->command_addr); + hwif->OUTBSYNC(hwif, cmd, hwif->io_ports.command_addr); timeout = ((cmd == WIN_IDENTIFY) ? WAIT_WORSTCASE : WAIT_PIDENTIFY) / 2; timeout += jiffies; @@ -478,9 +480,9 @@ static int do_probe (ide_drive_t *drive, u8 cmd) printk(KERN_ERR "%s: no response (status = 0x%02x), " "resetting drive\n", drive->name, stat); msleep(50); - hwif->OUTB(drive->select.all, io_ports->device_addr); + SELECT_DRIVE(drive); msleep(50); - hwif->OUTBSYNC(drive, WIN_SRST, io_ports->command_addr); + hwif->OUTBSYNC(hwif, WIN_SRST, io_ports->command_addr); (void)ide_busy_sleep(hwif); rc = try_to_identify(drive, cmd); } @@ -516,7 +518,7 @@ static void enable_nest (ide_drive_t *drive) printk("%s: enabling %s -- ", hwif->name, drive->id->model); SELECT_DRIVE(drive); msleep(50); - hwif->OUTBSYNC(drive, EXABYTE_ENABLE_NEST, hwif->io_ports.command_addr); + hwif->OUTBSYNC(hwif, EXABYTE_ENABLE_NEST, hwif->io_ports.command_addr); if (ide_busy_sleep(hwif)) { printk(KERN_CONT "failed (timeout)\n"); @@ -646,8 +648,6 @@ static int ide_register_port(ide_hwif_t *hwif) goto out; } - get_device(&hwif->gendev); - hwif->portdev = device_create_drvdata(ide_port_class, &hwif->gendev, MKDEV(0, 0), hwif, hwif->name); if (IS_ERR(hwif->portdev)) { @@ -1067,7 +1067,7 @@ static int init_irq (ide_hwif_t *hwif) if (io_ports->ctl_addr) /* clear nIEN */ - hwif->OUTB(0x08, io_ports->ctl_addr); + hwif->OUTBSYNC(hwif, ATA_DEVCTL_OBS, io_ports->ctl_addr); if (request_irq(hwif->irq,&ide_intr,sa,hwif->name,hwgroup)) goto out_unlink; @@ -1220,16 +1220,12 @@ static void drive_release_dev (struct device *dev) complete(&drive->gendev_rel_comp); } -#ifndef ide_default_irq -#define ide_default_irq(irq) 0 -#endif - static int hwif_init(ide_hwif_t *hwif) { int old_irq; if (!hwif->irq) { - hwif->irq = ide_default_irq(hwif->io_ports.data_addr); + hwif->irq = __ide_default_irq(hwif->io_ports.data_addr); if (!hwif->irq) { printk("%s: DISABLED, NO IRQ\n", hwif->name); return 0; @@ -1259,7 +1255,7 @@ static int hwif_init(ide_hwif_t *hwif) * It failed to initialise. Find the default IRQ for * this port and try that. */ - hwif->irq = ide_default_irq(hwif->io_ports.data_addr); + hwif->irq = __ide_default_irq(hwif->io_ports.data_addr); if (!hwif->irq) { printk("%s: Disabled unable to get IRQ %d.\n", hwif->name, old_irq); @@ -1324,17 +1320,16 @@ static void ide_port_init_devices(ide_hwif_t *hwif) drive->unmask = 1; if (hwif->host_flags & IDE_HFLAG_NO_UNMASK_IRQS) drive->no_unmask = 1; - } - if (port_ops && port_ops->port_init_devs) - port_ops->port_init_devs(hwif); + if (port_ops && port_ops->init_dev) + port_ops->init_dev(drive); + } } static void ide_init_port(ide_hwif_t *hwif, unsigned int port, const struct ide_port_info *d) { - if (d->chipset != ide_etrax100) - hwif->channel = port; + hwif->channel = port; if (d->chipset) hwif->chipset = d->chipset; @@ -1480,22 +1475,29 @@ ide_hwif_t *ide_find_port_slot(const struct ide_port_info *d) for (; i < MAX_HWIFS; i++) { hwif = &ide_hwifs[i]; if (hwif->chipset == ide_unknown) - return hwif; + goto out_found; } } else { for (i = 2; i < MAX_HWIFS; i++) { hwif = &ide_hwifs[i]; if (hwif->chipset == ide_unknown) - return hwif; + goto out_found; } for (i = 0; i < 2 && i < MAX_HWIFS; i++) { hwif = &ide_hwifs[i]; if (hwif->chipset == ide_unknown) - return hwif; + goto out_found; } } + printk(KERN_ERR "%s: no free slot for interface\n", + d ? d->name : "ide"); + return NULL; + +out_found: + ide_init_port_data(hwif, i); + return hwif; } EXPORT_SYMBOL_GPL(ide_find_port_slot); @@ -1519,7 +1521,7 @@ int ide_device_add_all(u8 *idx, const struct ide_port_info *d) continue; } - if (d->chipset != ide_etrax100 && (i & 1) && mate) { + if ((i & 1) && mate) { hwif->mate = mate; mate->mate = hwif; } @@ -1665,6 +1667,7 @@ static void ide_legacy_init_one(u8 *idx, hw_regs_t *hw, u8 port_no, ide_std_init_ports(hw, base, ctl); hw->irq = irq; + hw->chipset = d->chipset; hwif = ide_find_port_slot(d); if (hwif) { diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c index 8d6ad812a014..8af88bf0969b 100644 --- a/drivers/ide/ide-proc.c +++ b/drivers/ide/ide-proc.c @@ -63,7 +63,6 @@ static int proc_ide_read_imodel case ide_pmac: name = "mac-io"; break; case ide_au1xxx: name = "au1xxx"; break; case ide_palm3710: name = "palm3710"; break; - case ide_etrax100: name = "etrax100"; break; case ide_acorn: name = "acorn"; break; default: name = "(unknown)"; break; } @@ -77,7 +76,7 @@ static int proc_ide_read_mate ide_hwif_t *hwif = (ide_hwif_t *) data; int len; - if (hwif && hwif->mate && hwif->mate->present) + if (hwif && hwif->mate) len = sprintf(page, "%s\n", hwif->mate->name); else len = sprintf(page, "(none)\n"); diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 1e1f26331a24..b711ab96e287 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -144,9 +144,6 @@ enum { /*************************** End of tunable parameters ***********************/ -/* Read/Write error simulation */ -#define SIMULATE_ERRORS 0 - /* tape directions */ enum { IDETAPE_DIR_NONE = (1 << 0), @@ -442,7 +439,7 @@ static void idetape_output_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc, } } -static void idetape_update_buffers(struct ide_atapi_pc *pc) +static void idetape_update_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc) { struct idetape_bh *bh = pc->bh; int count; @@ -506,18 +503,6 @@ static struct request *idetape_next_rq_storage(ide_drive_t *drive) return (&tape->rq_stack[tape->rq_stack_index++]); } -static void idetape_init_pc(struct ide_atapi_pc *pc) -{ - memset(pc->c, 0, 12); - pc->retries = 0; - pc->flags = 0; - pc->req_xfer = 0; - pc->buf = pc->pc_buf; - pc->buf_size = IDETAPE_PC_BUFFER_SIZE; - pc->bh = NULL; - pc->b_data = NULL; -} - /* * called on each failed packet command retry to analyze the request sense. We * currently do not utilize this information. @@ -538,8 +523,8 @@ static void idetape_analyze_error(ide_drive_t *drive, u8 *sense) if (pc->flags & PC_FLAG_DMA_ERROR) { pc->xferred = pc->req_xfer - tape->blk_size * - be32_to_cpu(get_unaligned((u32 *)&sense[3])); - idetape_update_buffers(pc); + get_unaligned_be32(&sense[3]); + idetape_update_buffers(drive, pc); } /* @@ -634,21 +619,78 @@ static int idetape_end_request(ide_drive_t *drive, int uptodate, int nr_sects) return 0; } -static ide_startstop_t idetape_request_sense_callback(ide_drive_t *drive) +static void ide_tape_callback(ide_drive_t *drive) { idetape_tape_t *tape = drive->driver_data; + struct ide_atapi_pc *pc = tape->pc; + int uptodate = pc->error ? 0 : 1; debug_log(DBG_PROCS, "Enter %s\n", __func__); - if (!tape->pc->error) { - idetape_analyze_error(drive, tape->pc->buf); - idetape_end_request(drive, 1, 0); - } else { - printk(KERN_ERR "ide-tape: Error in REQUEST SENSE itself - " - "Aborting request!\n"); - idetape_end_request(drive, 0, 0); + if (tape->failed_pc == pc) + tape->failed_pc = NULL; + + if (pc->c[0] == REQUEST_SENSE) { + if (uptodate) + idetape_analyze_error(drive, pc->buf); + else + printk(KERN_ERR "ide-tape: Error in REQUEST SENSE " + "itself - Aborting request!\n"); + } else if (pc->c[0] == READ_6 || pc->c[0] == WRITE_6) { + struct request *rq = drive->hwif->hwgroup->rq; + int blocks = pc->xferred / tape->blk_size; + + tape->avg_size += blocks * tape->blk_size; + + if (time_after_eq(jiffies, tape->avg_time + HZ)) { + tape->avg_speed = tape->avg_size * HZ / + (jiffies - tape->avg_time) / 1024; + tape->avg_size = 0; + tape->avg_time = jiffies; + } + + tape->first_frame += blocks; + rq->current_nr_sectors -= blocks; + + if (pc->error) + uptodate = pc->error; + } else if (pc->c[0] == READ_POSITION && uptodate) { + u8 *readpos = tape->pc->buf; + + debug_log(DBG_SENSE, "BOP - %s\n", + (readpos[0] & 0x80) ? "Yes" : "No"); + debug_log(DBG_SENSE, "EOP - %s\n", + (readpos[0] & 0x40) ? "Yes" : "No"); + + if (readpos[0] & 0x4) { + printk(KERN_INFO "ide-tape: Block location is unknown" + "to the tape\n"); + clear_bit(IDETAPE_FLAG_ADDRESS_VALID, &tape->flags); + uptodate = 0; + } else { + debug_log(DBG_SENSE, "Block Location - %u\n", + be32_to_cpu(*(u32 *)&readpos[4])); + + tape->partition = readpos[1]; + tape->first_frame = be32_to_cpu(*(u32 *)&readpos[4]); + set_bit(IDETAPE_FLAG_ADDRESS_VALID, &tape->flags); + } } - return ide_stopped; + + idetape_end_request(drive, uptodate, 0); +} + +static void idetape_init_pc(struct ide_atapi_pc *pc) +{ + memset(pc->c, 0, 12); + pc->retries = 0; + pc->flags = 0; + pc->req_xfer = 0; + pc->buf = pc->pc_buf; + pc->buf_size = IDETAPE_PC_BUFFER_SIZE; + pc->bh = NULL; + pc->b_data = NULL; + pc->callback = ide_tape_callback; } static void idetape_create_request_sense_cmd(struct ide_atapi_pc *pc) @@ -657,7 +699,6 @@ static void idetape_create_request_sense_cmd(struct ide_atapi_pc *pc) pc->c[0] = REQUEST_SENSE; pc->c[4] = 20; pc->req_xfer = 20; - pc->idetape_callback = &idetape_request_sense_callback; } static void idetape_init_rq(struct request *rq, u8 cmd) @@ -688,9 +729,10 @@ static void idetape_queue_pc_head(ide_drive_t *drive, struct ide_atapi_pc *pc, struct ide_tape_obj *tape = drive->driver_data; idetape_init_rq(rq, REQ_IDETAPE_PC1); + rq->cmd_flags |= REQ_PREEMPT; rq->buffer = (char *) pc; rq->rq_disk = tape->disk; - (void) ide_do_drive_cmd(drive, rq, ide_preempt); + ide_do_drive_cmd(drive, rq); } /* @@ -698,7 +740,7 @@ static void idetape_queue_pc_head(ide_drive_t *drive, struct ide_atapi_pc *pc, * last packet command. We queue a request sense packet command in * the head of the request list. */ -static ide_startstop_t idetape_retry_pc (ide_drive_t *drive) +static void idetape_retry_pc(ide_drive_t *drive) { idetape_tape_t *tape = drive->driver_data; struct ide_atapi_pc *pc; @@ -710,7 +752,6 @@ static ide_startstop_t idetape_retry_pc (ide_drive_t *drive) idetape_create_request_sense_cmd(pc); set_bit(IDETAPE_FLAG_IGNORE_DSC, &tape->flags); idetape_queue_pc_head(drive, pc, rq); - return ide_stopped; } /* @@ -727,7 +768,26 @@ static void idetape_postpone_request(ide_drive_t *drive) ide_stall_queue(drive, tape->dsc_poll_freq); } -typedef void idetape_io_buf(ide_drive_t *, struct ide_atapi_pc *, unsigned int); +static void ide_tape_handle_dsc(ide_drive_t *drive) +{ + idetape_tape_t *tape = drive->driver_data; + + /* Media access command */ + tape->dsc_polling_start = jiffies; + tape->dsc_poll_freq = IDETAPE_DSC_MA_FAST; + tape->dsc_timeout = jiffies + IDETAPE_DSC_MA_TIMEOUT; + /* Allow ide.c to handle other requests */ + idetape_postpone_request(drive); +} + +static void ide_tape_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc, + unsigned int bcount, int write) +{ + if (write) + idetape_output_buffers(drive, pc, bcount); + else + idetape_input_buffers(drive, pc, bcount); +} /* * This is the usual interrupt handler which will be called during a packet @@ -738,169 +798,11 @@ typedef void idetape_io_buf(ide_drive_t *, struct ide_atapi_pc *, unsigned int); */ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive) { - ide_hwif_t *hwif = drive->hwif; idetape_tape_t *tape = drive->driver_data; - struct ide_atapi_pc *pc = tape->pc; - xfer_func_t *xferfunc; - idetape_io_buf *iobuf; - unsigned int temp; -#if SIMULATE_ERRORS - static int error_sim_count; -#endif - u16 bcount; - u8 stat, ireason; - - debug_log(DBG_PROCS, "Enter %s - interrupt handler\n", __func__); - /* Clear the interrupt */ - stat = ide_read_status(drive); - - if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) { - if (hwif->dma_ops->dma_end(drive) || (stat & ERR_STAT)) { - /* - * A DMA error is sometimes expected. For example, - * if the tape is crossing a filemark during a - * READ command, it will issue an irq and position - * itself before the filemark, so that only a partial - * data transfer will occur (which causes the DMA - * error). In that case, we will later ask the tape - * how much bytes of the original request were - * actually transferred (we can't receive that - * information from the DMA engine on most chipsets). - */ - - /* - * On the contrary, a DMA error is never expected; - * it usually indicates a hardware error or abort. - * If the tape crosses a filemark during a READ - * command, it will issue an irq and position itself - * after the filemark (not before). Only a partial - * data transfer will occur, but no DMA error. - * (AS, 19 Apr 2001) - */ - pc->flags |= PC_FLAG_DMA_ERROR; - } else { - pc->xferred = pc->req_xfer; - idetape_update_buffers(pc); - } - debug_log(DBG_PROCS, "DMA finished\n"); - - } - - /* No more interrupts */ - if ((stat & DRQ_STAT) == 0) { - debug_log(DBG_SENSE, "Packet command completed, %d bytes" - " transferred\n", pc->xferred); - - pc->flags &= ~PC_FLAG_DMA_IN_PROGRESS; - local_irq_enable(); - -#if SIMULATE_ERRORS - if ((pc->c[0] == WRITE_6 || pc->c[0] == READ_6) && - (++error_sim_count % 100) == 0) { - printk(KERN_INFO "ide-tape: %s: simulating error\n", - tape->name); - stat |= ERR_STAT; - } -#endif - if ((stat & ERR_STAT) && pc->c[0] == REQUEST_SENSE) - stat &= ~ERR_STAT; - if ((stat & ERR_STAT) || (pc->flags & PC_FLAG_DMA_ERROR)) { - /* Error detected */ - debug_log(DBG_ERR, "%s: I/O error\n", tape->name); - - if (pc->c[0] == REQUEST_SENSE) { - printk(KERN_ERR "ide-tape: I/O error in request" - " sense command\n"); - return ide_do_reset(drive); - } - debug_log(DBG_ERR, "[cmd %x]: check condition\n", - pc->c[0]); - - /* Retry operation */ - return idetape_retry_pc(drive); - } - pc->error = 0; - if ((pc->flags & PC_FLAG_WAIT_FOR_DSC) && - (stat & SEEK_STAT) == 0) { - /* Media access command */ - tape->dsc_polling_start = jiffies; - tape->dsc_poll_freq = IDETAPE_DSC_MA_FAST; - tape->dsc_timeout = jiffies + IDETAPE_DSC_MA_TIMEOUT; - /* Allow ide.c to handle other requests */ - idetape_postpone_request(drive); - return ide_stopped; - } - if (tape->failed_pc == pc) - tape->failed_pc = NULL; - /* Command finished - Call the callback function */ - return pc->idetape_callback(drive); - } - - if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) { - pc->flags &= ~PC_FLAG_DMA_IN_PROGRESS; - printk(KERN_ERR "ide-tape: The tape wants to issue more " - "interrupts in DMA mode\n"); - printk(KERN_ERR "ide-tape: DMA disabled, reverting to PIO\n"); - ide_dma_off(drive); - return ide_do_reset(drive); - } - /* Get the number of bytes to transfer on this interrupt. */ - bcount = (hwif->INB(hwif->io_ports.lbah_addr) << 8) | - hwif->INB(hwif->io_ports.lbam_addr); - - ireason = hwif->INB(hwif->io_ports.nsect_addr); - - if (ireason & CD) { - printk(KERN_ERR "ide-tape: CoD != 0 in %s\n", __func__); - return ide_do_reset(drive); - } - if (((ireason & IO) == IO) == !!(pc->flags & PC_FLAG_WRITING)) { - /* Hopefully, we will never get here */ - printk(KERN_ERR "ide-tape: We wanted to %s, ", - (ireason & IO) ? "Write" : "Read"); - printk(KERN_ERR "ide-tape: but the tape wants us to %s !\n", - (ireason & IO) ? "Read" : "Write"); - return ide_do_reset(drive); - } - if (!(pc->flags & PC_FLAG_WRITING)) { - /* Reading - Check that we have enough space */ - temp = pc->xferred + bcount; - if (temp > pc->req_xfer) { - if (temp > pc->buf_size) { - printk(KERN_ERR "ide-tape: The tape wants to " - "send us more data than expected " - "- discarding data\n"); - ide_pad_transfer(drive, 0, bcount); - ide_set_handler(drive, &idetape_pc_intr, - IDETAPE_WAIT_CMD, NULL); - return ide_started; - } - debug_log(DBG_SENSE, "The tape wants to send us more " - "data than expected - allowing transfer\n"); - } - iobuf = &idetape_input_buffers; - xferfunc = hwif->input_data; - } else { - iobuf = &idetape_output_buffers; - xferfunc = hwif->output_data; - } - - if (pc->bh) - iobuf(drive, pc, bcount); - else - xferfunc(drive, NULL, pc->cur_pos, bcount); - - /* Update the current position */ - pc->xferred += bcount; - pc->cur_pos += bcount; - - debug_log(DBG_SENSE, "[cmd %x] transferred %d bytes on that intr.\n", - pc->c[0], bcount); - - /* And set the interrupt handler again */ - ide_set_handler(drive, &idetape_pc_intr, IDETAPE_WAIT_CMD, NULL); - return ide_started; + return ide_pc_intr(drive, tape->pc, idetape_pc_intr, IDETAPE_WAIT_CMD, + NULL, idetape_update_buffers, idetape_retry_pc, + ide_tape_handle_dsc, ide_tape_io_buffers); } /* @@ -941,56 +843,16 @@ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive) */ static ide_startstop_t idetape_transfer_pc(ide_drive_t *drive) { - ide_hwif_t *hwif = drive->hwif; idetape_tape_t *tape = drive->driver_data; - struct ide_atapi_pc *pc = tape->pc; - int retries = 100; - ide_startstop_t startstop; - u8 ireason; - - if (ide_wait_stat(&startstop, drive, DRQ_STAT, BUSY_STAT, WAIT_READY)) { - printk(KERN_ERR "ide-tape: Strange, packet command initiated " - "yet DRQ isn't asserted\n"); - return startstop; - } - ireason = hwif->INB(hwif->io_ports.nsect_addr); - while (retries-- && ((ireason & CD) == 0 || (ireason & IO))) { - printk(KERN_ERR "ide-tape: (IO,CoD != (0,1) while issuing " - "a packet command, retrying\n"); - udelay(100); - ireason = hwif->INB(hwif->io_ports.nsect_addr); - if (retries == 0) { - printk(KERN_ERR "ide-tape: (IO,CoD != (0,1) while " - "issuing a packet command, ignoring\n"); - ireason |= CD; - ireason &= ~IO; - } - } - if ((ireason & CD) == 0 || (ireason & IO)) { - printk(KERN_ERR "ide-tape: (IO,CoD) != (0,1) while issuing " - "a packet command\n"); - return ide_do_reset(drive); - } - /* Set the interrupt routine */ - ide_set_handler(drive, &idetape_pc_intr, IDETAPE_WAIT_CMD, NULL); -#ifdef CONFIG_BLK_DEV_IDEDMA - /* Begin DMA, if necessary */ - if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) - hwif->dma_ops->dma_start(drive); -#endif - /* Send the actual packet */ - hwif->output_data(drive, NULL, pc->c, 12); - return ide_started; + return ide_transfer_pc(drive, tape->pc, idetape_pc_intr, + IDETAPE_WAIT_CMD, NULL); } static ide_startstop_t idetape_issue_pc(ide_drive_t *drive, struct ide_atapi_pc *pc) { - ide_hwif_t *hwif = drive->hwif; idetape_tape_t *tape = drive->driver_data; - int dma_ok = 0; - u16 bcount; if (tape->pc->c[0] == REQUEST_SENSE && pc->c[0] == REQUEST_SENSE) { @@ -1025,50 +887,15 @@ static ide_startstop_t idetape_issue_pc(ide_drive_t *drive, pc->error = IDETAPE_ERROR_GENERAL; } tape->failed_pc = NULL; - return pc->idetape_callback(drive); + pc->callback(drive); + return ide_stopped; } debug_log(DBG_SENSE, "Retry #%d, cmd = %02X\n", pc->retries, pc->c[0]); pc->retries++; - /* We haven't transferred any data yet */ - pc->xferred = 0; - pc->cur_pos = pc->buf; - /* Request to transfer the entire buffer at once */ - bcount = pc->req_xfer; - - if (pc->flags & PC_FLAG_DMA_ERROR) { - pc->flags &= ~PC_FLAG_DMA_ERROR; - printk(KERN_WARNING "ide-tape: DMA disabled, " - "reverting to PIO\n"); - ide_dma_off(drive); - } - if ((pc->flags & PC_FLAG_DMA_RECOMMENDED) && drive->using_dma) - dma_ok = !hwif->dma_ops->dma_setup(drive); - - ide_pktcmd_tf_load(drive, IDE_TFLAG_NO_SELECT_MASK | - IDE_TFLAG_OUT_DEVICE, bcount, dma_ok); - - if (dma_ok) - /* Will begin DMA later */ - pc->flags |= PC_FLAG_DMA_IN_PROGRESS; - if (test_bit(IDETAPE_FLAG_DRQ_INTERRUPT, &tape->flags)) { - ide_execute_command(drive, WIN_PACKETCMD, &idetape_transfer_pc, - IDETAPE_WAIT_CMD, NULL); - return ide_started; - } else { - ide_execute_pkt_cmd(drive); - return idetape_transfer_pc(drive); - } -} - -static ide_startstop_t idetape_pc_callback(ide_drive_t *drive) -{ - idetape_tape_t *tape = drive->driver_data; - - debug_log(DBG_PROCS, "Enter %s\n", __func__); - idetape_end_request(drive, tape->pc->error ? 0 : 1, 0); - return ide_stopped; + return ide_issue_pc(drive, pc, idetape_transfer_pc, + IDETAPE_WAIT_CMD, NULL); } /* A mode sense command is used to "sense" tape parameters. */ @@ -1096,7 +923,6 @@ static void idetape_create_mode_sense_cmd(struct ide_atapi_pc *pc, u8 page_code) pc->req_xfer = 24; else pc->req_xfer = 50; - pc->idetape_callback = &idetape_pc_callback; } static ide_startstop_t idetape_media_access_finished(ide_drive_t *drive) @@ -1114,80 +940,41 @@ static ide_startstop_t idetape_media_access_finished(ide_drive_t *drive) printk(KERN_ERR "ide-tape: %s: I/O error, ", tape->name); /* Retry operation */ - return idetape_retry_pc(drive); + idetape_retry_pc(drive); + return ide_stopped; } pc->error = 0; - if (tape->failed_pc == pc) - tape->failed_pc = NULL; } else { pc->error = IDETAPE_ERROR_GENERAL; tape->failed_pc = NULL; } - return pc->idetape_callback(drive); -} - -static ide_startstop_t idetape_rw_callback(ide_drive_t *drive) -{ - idetape_tape_t *tape = drive->driver_data; - struct request *rq = HWGROUP(drive)->rq; - int blocks = tape->pc->xferred / tape->blk_size; - - tape->avg_size += blocks * tape->blk_size; - - if (time_after_eq(jiffies, tape->avg_time + HZ)) { - tape->avg_speed = tape->avg_size * HZ / - (jiffies - tape->avg_time) / 1024; - tape->avg_size = 0; - tape->avg_time = jiffies; - } - debug_log(DBG_PROCS, "Enter %s\n", __func__); - - tape->first_frame += blocks; - rq->current_nr_sectors -= blocks; - - if (!tape->pc->error) - idetape_end_request(drive, 1, 0); - else - idetape_end_request(drive, tape->pc->error, 0); + pc->callback(drive); return ide_stopped; } -static void idetape_create_read_cmd(idetape_tape_t *tape, - struct ide_atapi_pc *pc, - unsigned int length, struct idetape_bh *bh) +static void ide_tape_create_rw_cmd(idetape_tape_t *tape, + struct ide_atapi_pc *pc, unsigned int length, + struct idetape_bh *bh, u8 opcode) { idetape_init_pc(pc); - pc->c[0] = READ_6; put_unaligned(cpu_to_be32(length), (unsigned int *) &pc->c[1]); pc->c[1] = 1; - pc->idetape_callback = &idetape_rw_callback; pc->bh = bh; - atomic_set(&bh->b_count, 0); pc->buf = NULL; pc->buf_size = length * tape->blk_size; pc->req_xfer = pc->buf_size; if (pc->req_xfer == tape->buffer_size) - pc->flags |= PC_FLAG_DMA_RECOMMENDED; -} + pc->flags |= PC_FLAG_DMA_OK; -static void idetape_create_write_cmd(idetape_tape_t *tape, - struct ide_atapi_pc *pc, - unsigned int length, struct idetape_bh *bh) -{ - idetape_init_pc(pc); - pc->c[0] = WRITE_6; - put_unaligned(cpu_to_be32(length), (unsigned int *) &pc->c[1]); - pc->c[1] = 1; - pc->idetape_callback = &idetape_rw_callback; - pc->flags |= PC_FLAG_WRITING; - pc->bh = bh; - pc->b_data = bh->b_data; - pc->b_count = atomic_read(&bh->b_count); - pc->buf = NULL; - pc->buf_size = length * tape->blk_size; - pc->req_xfer = pc->buf_size; - if (pc->req_xfer == tape->buffer_size) - pc->flags |= PC_FLAG_DMA_RECOMMENDED; + if (opcode == READ_6) { + pc->c[0] = READ_6; + atomic_set(&bh->b_count, 0); + } else if (opcode == WRITE_6) { + pc->c[0] = WRITE_6; + pc->flags |= PC_FLAG_WRITING; + pc->b_data = bh->b_data; + pc->b_count = atomic_read(&bh->b_count); + } } static ide_startstop_t idetape_do_request(ide_drive_t *drive, @@ -1211,8 +998,10 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive, } /* Retry a failed packet command */ - if (tape->failed_pc && tape->pc->c[0] == REQUEST_SENSE) - return idetape_issue_pc(drive, tape->failed_pc); + if (tape->failed_pc && tape->pc->c[0] == REQUEST_SENSE) { + pc = tape->failed_pc; + goto out; + } if (postponed_rq != NULL) if (rq != postponed_rq) { @@ -1262,14 +1051,16 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive, } if (rq->cmd[0] & REQ_IDETAPE_READ) { pc = idetape_next_pc_storage(drive); - idetape_create_read_cmd(tape, pc, rq->current_nr_sectors, - (struct idetape_bh *)rq->special); + ide_tape_create_rw_cmd(tape, pc, rq->current_nr_sectors, + (struct idetape_bh *)rq->special, + READ_6); goto out; } if (rq->cmd[0] & REQ_IDETAPE_WRITE) { pc = idetape_next_pc_storage(drive); - idetape_create_write_cmd(tape, pc, rq->current_nr_sectors, - (struct idetape_bh *)rq->special); + ide_tape_create_rw_cmd(tape, pc, rq->current_nr_sectors, + (struct idetape_bh *)rq->special, + WRITE_6); goto out; } if (rq->cmd[0] & REQ_IDETAPE_PC1) { @@ -1284,6 +1075,9 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive, } BUG(); out: + if (test_bit(IDETAPE_FLAG_DRQ_INTERRUPT, &tape->flags)) + pc->flags |= PC_FLAG_DRQ_INTERRUPT; + return idetape_issue_pc(drive, pc); } @@ -1447,40 +1241,6 @@ static void idetape_init_merge_buffer(idetape_tape_t *tape) } } -static ide_startstop_t idetape_read_position_callback(ide_drive_t *drive) -{ - idetape_tape_t *tape = drive->driver_data; - u8 *readpos = tape->pc->buf; - - debug_log(DBG_PROCS, "Enter %s\n", __func__); - - if (!tape->pc->error) { - debug_log(DBG_SENSE, "BOP - %s\n", - (readpos[0] & 0x80) ? "Yes" : "No"); - debug_log(DBG_SENSE, "EOP - %s\n", - (readpos[0] & 0x40) ? "Yes" : "No"); - - if (readpos[0] & 0x4) { - printk(KERN_INFO "ide-tape: Block location is unknown" - "to the tape\n"); - clear_bit(IDETAPE_FLAG_ADDRESS_VALID, &tape->flags); - idetape_end_request(drive, 0, 0); - } else { - debug_log(DBG_SENSE, "Block Location - %u\n", - be32_to_cpu(*(u32 *)&readpos[4])); - - tape->partition = readpos[1]; - tape->first_frame = - be32_to_cpu(*(u32 *)&readpos[4]); - set_bit(IDETAPE_FLAG_ADDRESS_VALID, &tape->flags); - idetape_end_request(drive, 1, 0); - } - } else { - idetape_end_request(drive, 0, 0); - } - return ide_stopped; -} - /* * Write a filemark if write_filemark=1. Flush the device buffers without * writing a filemark otherwise. @@ -1492,14 +1252,12 @@ static void idetape_create_write_filemark_cmd(ide_drive_t *drive, pc->c[0] = WRITE_FILEMARKS; pc->c[4] = write_filemark; pc->flags |= PC_FLAG_WAIT_FOR_DSC; - pc->idetape_callback = &idetape_pc_callback; } static void idetape_create_test_unit_ready_cmd(struct ide_atapi_pc *pc) { idetape_init_pc(pc); pc->c[0] = TEST_UNIT_READY; - pc->idetape_callback = &idetape_pc_callback; } /* @@ -1518,12 +1276,16 @@ static void idetape_create_test_unit_ready_cmd(struct ide_atapi_pc *pc) static int idetape_queue_pc_tail(ide_drive_t *drive, struct ide_atapi_pc *pc) { struct ide_tape_obj *tape = drive->driver_data; - struct request rq; + struct request *rq; + int error; - idetape_init_rq(&rq, REQ_IDETAPE_PC1); - rq.buffer = (char *) pc; - rq.rq_disk = tape->disk; - return ide_do_drive_cmd(drive, &rq, ide_wait); + rq = blk_get_request(drive->queue, READ, __GFP_WAIT); + rq->cmd_type = REQ_TYPE_SPECIAL; + rq->cmd[0] = REQ_IDETAPE_PC1; + rq->buffer = (char *)pc; + error = blk_execute_rq(drive->queue, tape->disk, rq, 0); + blk_put_request(rq); + return error; } static void idetape_create_load_unload_cmd(ide_drive_t *drive, @@ -1533,7 +1295,6 @@ static void idetape_create_load_unload_cmd(ide_drive_t *drive, pc->c[0] = START_STOP; pc->c[4] = cmd; pc->flags |= PC_FLAG_WAIT_FOR_DSC; - pc->idetape_callback = &idetape_pc_callback; } static int idetape_wait_ready(ide_drive_t *drive, unsigned long timeout) @@ -1585,7 +1346,6 @@ static void idetape_create_read_position_cmd(struct ide_atapi_pc *pc) idetape_init_pc(pc); pc->c[0] = READ_POSITION; pc->req_xfer = 20; - pc->idetape_callback = &idetape_read_position_callback; } static int idetape_read_position(ide_drive_t *drive) @@ -1613,7 +1373,6 @@ static void idetape_create_locate_cmd(ide_drive_t *drive, put_unaligned(cpu_to_be32(block), (unsigned int *) &pc->c[3]); pc->c[8] = partition; pc->flags |= PC_FLAG_WAIT_FOR_DSC; - pc->idetape_callback = &idetape_pc_callback; } static int idetape_create_prevent_cmd(ide_drive_t *drive, @@ -1628,7 +1387,6 @@ static int idetape_create_prevent_cmd(ide_drive_t *drive, idetape_init_pc(pc); pc->c[0] = ALLOW_MEDIUM_REMOVAL; pc->c[4] = prevent; - pc->idetape_callback = &idetape_pc_callback; return 1; } @@ -1700,26 +1458,33 @@ static int idetape_queue_rw_tail(ide_drive_t *drive, int cmd, int blocks, struct idetape_bh *bh) { idetape_tape_t *tape = drive->driver_data; - struct request rq; + struct request *rq; + int ret, errors; debug_log(DBG_SENSE, "%s: cmd=%d\n", __func__, cmd); - idetape_init_rq(&rq, cmd); - rq.rq_disk = tape->disk; - rq.special = (void *)bh; - rq.sector = tape->first_frame; - rq.nr_sectors = blocks; - rq.current_nr_sectors = blocks; - (void) ide_do_drive_cmd(drive, &rq, ide_wait); + rq = blk_get_request(drive->queue, READ, __GFP_WAIT); + rq->cmd_type = REQ_TYPE_SPECIAL; + rq->cmd[0] = cmd; + rq->rq_disk = tape->disk; + rq->special = (void *)bh; + rq->sector = tape->first_frame; + rq->nr_sectors = blocks; + rq->current_nr_sectors = blocks; + blk_execute_rq(drive->queue, tape->disk, rq, 0); + + errors = rq->errors; + ret = tape->blk_size * (blocks - rq->current_nr_sectors); + blk_put_request(rq); if ((cmd & (REQ_IDETAPE_READ | REQ_IDETAPE_WRITE)) == 0) return 0; if (tape->merge_bh) idetape_init_merge_buffer(tape); - if (rq.errors == IDETAPE_ERROR_GENERAL) + if (errors == IDETAPE_ERROR_GENERAL) return -EIO; - return (tape->blk_size * (blocks-rq.current_nr_sectors)); + return ret; } static void idetape_create_inquiry_cmd(struct ide_atapi_pc *pc) @@ -1728,7 +1493,6 @@ static void idetape_create_inquiry_cmd(struct ide_atapi_pc *pc) pc->c[0] = INQUIRY; pc->c[4] = 254; pc->req_xfer = 254; - pc->idetape_callback = &idetape_pc_callback; } static void idetape_create_rewind_cmd(ide_drive_t *drive, @@ -1737,7 +1501,6 @@ static void idetape_create_rewind_cmd(ide_drive_t *drive, idetape_init_pc(pc); pc->c[0] = REZERO_UNIT; pc->flags |= PC_FLAG_WAIT_FOR_DSC; - pc->idetape_callback = &idetape_pc_callback; } static void idetape_create_erase_cmd(struct ide_atapi_pc *pc) @@ -1746,7 +1509,6 @@ static void idetape_create_erase_cmd(struct ide_atapi_pc *pc) pc->c[0] = ERASE; pc->c[1] = 1; pc->flags |= PC_FLAG_WAIT_FOR_DSC; - pc->idetape_callback = &idetape_pc_callback; } static void idetape_create_space_cmd(struct ide_atapi_pc *pc, int count, u8 cmd) @@ -1756,7 +1518,6 @@ static void idetape_create_space_cmd(struct ide_atapi_pc *pc, int count, u8 cmd) put_unaligned(cpu_to_be32(count), (unsigned int *) &pc->c[1]); pc->c[1] = cmd; pc->flags |= PC_FLAG_WAIT_FOR_DSC; - pc->idetape_callback = &idetape_pc_callback; } /* Queue up a character device originated write request. */ @@ -2421,9 +2182,12 @@ static int idetape_chrdev_open(struct inode *inode, struct file *filp) if (i >= MAX_HWIFS * MAX_DRIVES) return -ENXIO; + lock_kernel(); tape = ide_tape_chrdev_get(i); - if (!tape) + if (!tape) { + unlock_kernel(); return -ENXIO; + } debug_log(DBG_CHRDEV, "Enter %s\n", __func__); @@ -2482,10 +2246,12 @@ static int idetape_chrdev_open(struct inode *inode, struct file *filp) } } } + unlock_kernel(); return 0; out_put_tape: ide_tape_put(tape); + unlock_kernel(); return retval; } @@ -2746,9 +2512,8 @@ static void idetape_setup(ide_drive_t *drive, idetape_tape_t *tape, int minor) * Ensure that the number we got makes sense; limit it within * IDETAPE_DSC_RW_MIN and IDETAPE_DSC_RW_MAX. */ - tape->best_dsc_rw_freq = max_t(unsigned long, - min_t(unsigned long, t, IDETAPE_DSC_RW_MAX), - IDETAPE_DSC_RW_MIN); + tape->best_dsc_rw_freq = clamp_t(unsigned long, t, IDETAPE_DSC_RW_MIN, + IDETAPE_DSC_RW_MAX); printk(KERN_INFO "ide-tape: %s <-> %s: %dKBps, %d*%dkB buffer, " "%lums tDSC%s\n", drive->name, tape->name, *(u16 *)&tape->caps[14], @@ -2826,7 +2591,6 @@ static ide_driver_t idetape_driver = { .do_request = idetape_do_request, .end_request = idetape_end_request, .error = __ide_error, - .abort = __ide_abort, #ifdef CONFIG_IDE_PROC_FS .proc = idetape_proc, #endif @@ -2900,11 +2664,6 @@ static int ide_tape_probe(ide_drive_t *drive) " the driver\n", drive->name); goto failed; } - if (drive->scsi) { - printk(KERN_INFO "ide-tape: passing drive %s to ide-scsi" - " emulation.\n", drive->name); - goto failed; - } tape = kzalloc(sizeof(idetape_tape_t), GFP_KERNEL); if (tape == NULL) { printk(KERN_ERR "ide-tape: %s: Can't allocate a tape struct\n", diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c index 0c908ca3ff79..1fbdb746dc88 100644 --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -8,28 +8,18 @@ * The big the bad and the ugly. */ -#include <linux/module.h> #include <linux/types.h> #include <linux/string.h> #include <linux/kernel.h> -#include <linux/timer.h> -#include <linux/mm.h> #include <linux/sched.h> #include <linux/interrupt.h> -#include <linux/major.h> #include <linux/errno.h> -#include <linux/genhd.h> -#include <linux/blkpg.h> #include <linux/slab.h> -#include <linux/pci.h> #include <linux/delay.h> #include <linux/hdreg.h> #include <linux/ide.h> -#include <linux/bitops.h> #include <linux/scatterlist.h> -#include <asm/byteorder.h> -#include <asm/irq.h> #include <asm/uaccess.h> #include <asm/io.h> @@ -62,25 +52,6 @@ int taskfile_lib_get_identify (ide_drive_t *drive, u8 *buf) return ide_raw_taskfile(drive, &args, buf, 1); } -static int inline task_dma_ok(ide_task_t *task) -{ - if (blk_fs_request(task->rq) || (task->tf_flags & IDE_TFLAG_FLAGGED)) - return 1; - - switch (task->tf.command) { - case WIN_WRITEDMA_ONCE: - case WIN_WRITEDMA: - case WIN_WRITEDMA_EXT: - case WIN_READDMA_ONCE: - case WIN_READDMA: - case WIN_READDMA_EXT: - case WIN_IDENTIFY_DMA: - return 1; - } - - return 0; -} - static ide_startstop_t task_no_data_intr(ide_drive_t *); static ide_startstop_t set_geometry_intr(ide_drive_t *); static ide_startstop_t recal_intr(ide_drive_t *); @@ -109,13 +80,15 @@ ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task) if ((task->tf_flags & IDE_TFLAG_DMA_PIO_FALLBACK) == 0) { ide_tf_dump(drive->name, tf); + ide_set_irq(drive, 1); + SELECT_MASK(drive, 0); hwif->tf_load(drive, task); } switch (task->data_phase) { case TASKFILE_MULTI_OUT: case TASKFILE_OUT: - hwif->OUTBSYNC(drive, tf->command, hwif->io_ports.command_addr); + hwif->OUTBSYNC(hwif, tf->command, hwif->io_ports.command_addr); ndelay(400); /* FIXME */ return pre_task_out_intr(drive, task->rq); case TASKFILE_MULTI_IN: @@ -137,8 +110,7 @@ ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task) WAIT_WORSTCASE, NULL); return ide_started; default: - if (task_dma_ok(task) == 0 || drive->using_dma == 0 || - dma_ops->dma_setup(drive)) + if (drive->using_dma == 0 || dma_ops->dma_setup(drive)) return ide_stopped; dma_ops->dma_exec_cmd(drive, tf->command); dma_ops->dma_start(drive); @@ -181,7 +153,6 @@ static ide_startstop_t set_geometry_intr(ide_drive_t *drive) if (stat & (ERR_STAT|DRQ_STAT)) return ide_error(drive, "set_geometry_intr", stat); - BUG_ON(HWGROUP(drive)->handler != NULL); ide_set_handler(drive, &set_geometry_intr, WAIT_WORSTCASE, NULL); return ide_started; } @@ -225,10 +196,10 @@ static u8 wait_drive_not_busy(ide_drive_t *drive) u8 stat; /* - * Last sector was transfered, wait until drive is ready. - * This can take up to 10 usec, but we will wait max 1 ms. + * Last sector was transfered, wait until device is ready. This can + * take up to 6 ms on some ATAPI devices, so we will wait max 10 ms. */ - for (retries = 0; retries < 100; retries++) { + for (retries = 0; retries < 1000; retries++) { stat = ide_read_status(drive); if (stat & BUSY_STAT) @@ -492,11 +463,12 @@ static ide_startstop_t pre_task_out_intr(ide_drive_t *drive, struct request *rq) int ide_raw_taskfile(ide_drive_t *drive, ide_task_t *task, u8 *buf, u16 nsect) { - struct request rq; + struct request *rq; + int error; - blk_rq_init(NULL, &rq); - rq.cmd_type = REQ_TYPE_ATA_TASKFILE; - rq.buffer = buf; + rq = blk_get_request(drive->queue, READ, __GFP_WAIT); + rq->cmd_type = REQ_TYPE_ATA_TASKFILE; + rq->buffer = buf; /* * (ks) We transfer currently only whole sectors. @@ -504,16 +476,19 @@ int ide_raw_taskfile(ide_drive_t *drive, ide_task_t *task, u8 *buf, u16 nsect) * if we would find a solution to transfer any size. * To support special commands like READ LONG. */ - rq.hard_nr_sectors = rq.nr_sectors = nsect; - rq.hard_cur_sectors = rq.current_nr_sectors = nsect; + rq->hard_nr_sectors = rq->nr_sectors = nsect; + rq->hard_cur_sectors = rq->current_nr_sectors = nsect; if (task->tf_flags & IDE_TFLAG_WRITE) - rq.cmd_flags |= REQ_RW; + rq->cmd_flags |= REQ_RW; + + rq->special = task; + task->rq = rq; - rq.special = task; - task->rq = &rq; + error = blk_execute_rq(drive->queue, NULL, rq, 0); + blk_put_request(rq); - return ide_do_drive_cmd(drive, &rq, ide_wait); + return error; } EXPORT_SYMBOL(ide_raw_taskfile); @@ -739,12 +714,14 @@ int ide_cmd_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg) struct hd_driveid *id = drive->id; if (NULL == (void *) arg) { - struct request rq; + struct request *rq; - ide_init_drive_cmd(&rq); - rq.cmd_type = REQ_TYPE_ATA_TASKFILE; + rq = blk_get_request(drive->queue, READ, __GFP_WAIT); + rq->cmd_type = REQ_TYPE_ATA_TASKFILE; + err = blk_execute_rq(drive->queue, NULL, rq, 0); + blk_put_request(rq); - return ide_do_drive_cmd(drive, &rq, ide_wait); + return err; } if (copy_from_user(args, (void __user *)arg, 4)) diff --git a/drivers/ide/ide-timing.h b/drivers/ide/ide-timings.c index 3b12ffe77071..8c2f8327f487 100644 --- a/drivers/ide/ide-timing.h +++ b/drivers/ide/ide-timings.c @@ -1,11 +1,7 @@ -#ifndef _IDE_TIMING_H -#define _IDE_TIMING_H - /* * Copyright (c) 1999-2001 Vojtech Pavlik - */ - -/* + * Copyright (c) 2007-2008 Bartlomiej Zolnierkiewicz + * * 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 @@ -27,27 +23,14 @@ #include <linux/kernel.h> #include <linux/hdreg.h> - -#define XFER_PIO_5 0x0d -#define XFER_UDMA_SLOW 0x4f - -struct ide_timing { - short mode; - short setup; /* t1 */ - short act8b; /* t2 for 8-bit io */ - short rec8b; /* t2i for 8-bit io */ - short cyc8b; /* t0 for 8-bit io */ - short active; /* t2 or tD */ - short recover; /* t2i or tK */ - short cycle; /* t0 */ - short udma; /* t2CYCTYP/2 */ -}; +#include <linux/ide.h> +#include <linux/module.h> /* * PIO 0-5, MWDMA 0-2 and UDMA 0-6 timings (in nanoseconds). * These were taken from ATA/ATAPI-6 standard, rev 0a, except * for PIO 5, which is a nonstandard extension and UDMA6, which - * is currently supported only by Maxtor drives. + * is currently supported only by Maxtor drives. */ static struct ide_timing ide_timing[] = { @@ -61,12 +44,10 @@ static struct ide_timing ide_timing[] = { { XFER_UDMA_1, 0, 0, 0, 0, 0, 0, 0, 80 }, { XFER_UDMA_0, 0, 0, 0, 0, 0, 0, 0, 120 }, - { XFER_UDMA_SLOW, 0, 0, 0, 0, 0, 0, 0, 150 }, - { XFER_MW_DMA_2, 25, 0, 0, 0, 70, 25, 120, 0 }, { XFER_MW_DMA_1, 45, 0, 0, 0, 80, 50, 150, 0 }, { XFER_MW_DMA_0, 60, 0, 0, 0, 215, 215, 480, 0 }, - + { XFER_SW_DMA_2, 60, 0, 0, 0, 120, 120, 240, 0 }, { XFER_SW_DMA_1, 90, 0, 0, 0, 240, 240, 480, 0 }, { XFER_SW_DMA_0, 120, 0, 0, 0, 480, 480, 960, 0 }, @@ -81,30 +62,46 @@ static struct ide_timing ide_timing[] = { { XFER_PIO_SLOW, 120, 290, 240, 960, 290, 240, 960, 0 }, - { -1 } + { 0xff } }; -#define IDE_TIMING_SETUP 0x01 -#define IDE_TIMING_ACT8B 0x02 -#define IDE_TIMING_REC8B 0x04 -#define IDE_TIMING_CYC8B 0x08 -#define IDE_TIMING_8BIT 0x0e -#define IDE_TIMING_ACTIVE 0x10 -#define IDE_TIMING_RECOVER 0x20 -#define IDE_TIMING_CYCLE 0x40 -#define IDE_TIMING_UDMA 0x80 -#define IDE_TIMING_ALL 0xff - -#define FIT(v,vmin,vmax) max_t(short,min_t(short,v,vmax),vmin) -#define ENOUGH(v,unit) (((v)-1)/(unit)+1) -#define EZ(v,unit) ((v)?ENOUGH(v,unit):0) - -#define XFER_MODE 0xf0 -#define XFER_MWDMA 0x20 -#define XFER_EPIO 0x01 -#define XFER_PIO 0x00 - -static void ide_timing_quantize(struct ide_timing *t, struct ide_timing *q, int T, int UT) +struct ide_timing *ide_timing_find_mode(u8 speed) +{ + struct ide_timing *t; + + for (t = ide_timing; t->mode != speed; t++) + if (t->mode == 0xff) + return NULL; + return t; +} +EXPORT_SYMBOL_GPL(ide_timing_find_mode); + +u16 ide_pio_cycle_time(ide_drive_t *drive, u8 pio) +{ + struct hd_driveid *id = drive->id; + struct ide_timing *t = ide_timing_find_mode(XFER_PIO_0 + pio); + u16 cycle = 0; + + if (id->field_valid & 2) { + if (id->capability & 8) + cycle = id->eide_pio_iordy; + else + cycle = id->eide_pio; + + /* conservative "downgrade" for all pre-ATA2 drives */ + if (pio < 3 && cycle < t->cycle) + cycle = 0; /* use standard timing */ + } + + return cycle ? cycle : t->cycle; +} +EXPORT_SYMBOL_GPL(ide_pio_cycle_time); + +#define ENOUGH(v, unit) (((v) - 1) / (unit) + 1) +#define EZ(v, unit) ((v) ? ENOUGH(v, unit) : 0) + +static void ide_timing_quantize(struct ide_timing *t, struct ide_timing *q, + int T, int UT) { q->setup = EZ(t->setup * 1000, T); q->act8b = EZ(t->act8b * 1000, T); @@ -116,92 +113,83 @@ static void ide_timing_quantize(struct ide_timing *t, struct ide_timing *q, int q->udma = EZ(t->udma * 1000, UT); } -static void ide_timing_merge(struct ide_timing *a, struct ide_timing *b, struct ide_timing *m, unsigned int what) -{ - if (what & IDE_TIMING_SETUP ) m->setup = max(a->setup, b->setup); - if (what & IDE_TIMING_ACT8B ) m->act8b = max(a->act8b, b->act8b); - if (what & IDE_TIMING_REC8B ) m->rec8b = max(a->rec8b, b->rec8b); - if (what & IDE_TIMING_CYC8B ) m->cyc8b = max(a->cyc8b, b->cyc8b); - if (what & IDE_TIMING_ACTIVE ) m->active = max(a->active, b->active); - if (what & IDE_TIMING_RECOVER) m->recover = max(a->recover, b->recover); - if (what & IDE_TIMING_CYCLE ) m->cycle = max(a->cycle, b->cycle); - if (what & IDE_TIMING_UDMA ) m->udma = max(a->udma, b->udma); -} - -static struct ide_timing* ide_timing_find_mode(short speed) +void ide_timing_merge(struct ide_timing *a, struct ide_timing *b, + struct ide_timing *m, unsigned int what) { - struct ide_timing *t; - - for (t = ide_timing; t->mode != speed; t++) - if (t->mode < 0) - return NULL; - return t; + if (what & IDE_TIMING_SETUP) + m->setup = max(a->setup, b->setup); + if (what & IDE_TIMING_ACT8B) + m->act8b = max(a->act8b, b->act8b); + if (what & IDE_TIMING_REC8B) + m->rec8b = max(a->rec8b, b->rec8b); + if (what & IDE_TIMING_CYC8B) + m->cyc8b = max(a->cyc8b, b->cyc8b); + if (what & IDE_TIMING_ACTIVE) + m->active = max(a->active, b->active); + if (what & IDE_TIMING_RECOVER) + m->recover = max(a->recover, b->recover); + if (what & IDE_TIMING_CYCLE) + m->cycle = max(a->cycle, b->cycle); + if (what & IDE_TIMING_UDMA) + m->udma = max(a->udma, b->udma); } +EXPORT_SYMBOL_GPL(ide_timing_merge); -static int ide_timing_compute(ide_drive_t *drive, short speed, struct ide_timing *t, int T, int UT) +int ide_timing_compute(ide_drive_t *drive, u8 speed, + struct ide_timing *t, int T, int UT) { struct hd_driveid *id = drive->id; struct ide_timing *s, p; -/* - * Find the mode. - */ - - if (!(s = ide_timing_find_mode(speed))) + /* + * Find the mode. + */ + s = ide_timing_find_mode(speed); + if (s == NULL) return -EINVAL; -/* - * Copy the timing from the table. - */ - + /* + * Copy the timing from the table. + */ *t = *s; -/* - * If the drive is an EIDE drive, it can tell us it needs extended - * PIO/MWDMA cycle timing. - */ - + /* + * If the drive is an EIDE drive, it can tell us it needs extended + * PIO/MWDMA cycle timing. + */ if (id && id->field_valid & 2) { /* EIDE drive */ memset(&p, 0, sizeof(p)); - switch (speed & XFER_MODE) { - - case XFER_PIO: - if (speed <= XFER_PIO_2) p.cycle = p.cyc8b = id->eide_pio; - else p.cycle = p.cyc8b = id->eide_pio_iordy; - break; - - case XFER_MWDMA: - p.cycle = id->eide_dma_min; - break; - } + if (speed <= XFER_PIO_2) + p.cycle = p.cyc8b = id->eide_pio; + else if (speed <= XFER_PIO_5) + p.cycle = p.cyc8b = id->eide_pio_iordy; + else if (speed >= XFER_MW_DMA_0 && speed <= XFER_MW_DMA_2) + p.cycle = id->eide_dma_min; ide_timing_merge(&p, t, t, IDE_TIMING_CYCLE | IDE_TIMING_CYC8B); } -/* - * Convert the timing to bus clock counts. - */ - + /* + * Convert the timing to bus clock counts. + */ ide_timing_quantize(t, t, T, UT); -/* - * Even in DMA/UDMA modes we still use PIO access for IDENTIFY, S.M.A.R.T - * and some other commands. We have to ensure that the DMA cycle timing is - * slower/equal than the fastest PIO timing. - */ - - if ((speed & XFER_MODE) != XFER_PIO) { + /* + * Even in DMA/UDMA modes we still use PIO access for IDENTIFY, + * S.M.A.R.T and some other commands. We have to ensure that the + * DMA cycle timing is slower/equal than the fastest PIO timing. + */ + if (speed >= XFER_SW_DMA_0) { u8 pio = ide_get_best_pio_mode(drive, 255, 5); ide_timing_compute(drive, XFER_PIO_0 + pio, &p, T, UT); ide_timing_merge(&p, t, t, IDE_TIMING_ALL); } -/* - * Lengthen active & recovery time so that cycle time is correct. - */ - + /* + * Lengthen active & recovery time so that cycle time is correct. + */ if (t->act8b + t->rec8b < t->cyc8b) { t->act8b += (t->cyc8b - (t->act8b + t->rec8b)) / 2; t->rec8b = t->cyc8b - t->act8b; @@ -214,5 +202,4 @@ static int ide_timing_compute(ide_drive_t *drive, short speed, struct ide_timing return 0; } - -#endif +EXPORT_SYMBOL_GPL(ide_timing_compute); diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index c758dcb13b14..d4a6b102a772 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -50,29 +50,16 @@ #include <linux/types.h> #include <linux/string.h> #include <linux/kernel.h> -#include <linux/timer.h> -#include <linux/mm.h> #include <linux/interrupt.h> #include <linux/major.h> #include <linux/errno.h> #include <linux/genhd.h> -#include <linux/blkpg.h> #include <linux/slab.h> #include <linux/init.h> #include <linux/pci.h> -#include <linux/delay.h> #include <linux/ide.h> #include <linux/completion.h> -#include <linux/reboot.h> -#include <linux/cdrom.h> -#include <linux/seq_file.h> #include <linux/device.h> -#include <linux/bitops.h> - -#include <asm/byteorder.h> -#include <asm/irq.h> -#include <asm/uaccess.h> -#include <asm/io.h> /* default maximum number of failures */ @@ -86,15 +73,10 @@ static const u8 ide_hwif_to_major[] = { IDE0_MAJOR, IDE1_MAJOR, IDE6_MAJOR, IDE7_MAJOR, IDE8_MAJOR, IDE9_MAJOR }; -static int idebus_parameter; /* holds the "idebus=" parameter */ -static int system_bus_speed; /* holds what we think is VESA/PCI bus speed */ - DEFINE_MUTEX(ide_cfg_mtx); - __cacheline_aligned_in_smp DEFINE_SPINLOCK(ide_lock); - -int noautodma = 0; -ide_hwif_t ide_hwifs[MAX_HWIFS]; /* master data repository */ +__cacheline_aligned_in_smp DEFINE_SPINLOCK(ide_lock); +EXPORT_SYMBOL(ide_lock); static void ide_port_init_devices_data(ide_hwif_t *); @@ -124,7 +106,6 @@ void ide_init_port_data(ide_hwif_t *hwif, unsigned int index) ide_port_init_devices_data(hwif); } -EXPORT_SYMBOL_GPL(ide_init_port_data); static void ide_port_init_devices_data(ide_hwif_t *hwif) { @@ -139,7 +120,6 @@ static void ide_port_init_devices_data(ide_hwif_t *hwif) drive->media = ide_disk; drive->select.all = (unit<<4)|0xa0; drive->hwif = hwif; - drive->ctl = 0x08; drive->ready_stat = READY_STAT; drive->bad_wstat = BAD_W_STAT; drive->special.b.recalibrate = 1; @@ -154,73 +134,6 @@ static void ide_port_init_devices_data(ide_hwif_t *hwif) } } -/* - * init_ide_data() sets reasonable default values into all fields - * of all instances of the hwifs and drives, but only on the first call. - * Subsequent calls have no effect (they don't wipe out anything). - * - * This routine is normally called at driver initialization time, - * but may also be called MUCH earlier during kernel "command-line" - * parameter processing. As such, we cannot depend on any other parts - * of the kernel (such as memory allocation) to be functioning yet. - * - * This is too bad, as otherwise we could dynamically allocate the - * ide_drive_t structs as needed, rather than always consuming memory - * for the max possible number (MAX_HWIFS * MAX_DRIVES) of them. - * - * FIXME: We should stuff the setup data into __init and copy the - * relevant hwifs/allocate them properly during boot. - */ -#define MAGIC_COOKIE 0x12345678 -static void __init init_ide_data (void) -{ - unsigned int index; - static unsigned long magic_cookie = MAGIC_COOKIE; - - if (magic_cookie != MAGIC_COOKIE) - return; /* already initialized */ - magic_cookie = 0; - - /* Initialise all interface structures */ - for (index = 0; index < MAX_HWIFS; ++index) { - ide_hwif_t *hwif = &ide_hwifs[index]; - - ide_init_port_data(hwif, index); - } -} - -/** - * ide_system_bus_speed - guess bus speed - * - * ide_system_bus_speed() returns what we think is the system VESA/PCI - * bus speed (in MHz). This is used for calculating interface PIO timings. - * The default is 40 for known PCI systems, 50 otherwise. - * The "idebus=xx" parameter can be used to override this value. - * The actual value to be used is computed/displayed the first time - * through. Drivers should only use this as a last resort. - * - * Returns a guessed speed in MHz. - */ - -static int ide_system_bus_speed(void) -{ -#ifdef CONFIG_PCI - static struct pci_device_id pci_default[] = { - { PCI_DEVICE(PCI_ANY_ID, PCI_ANY_ID) }, - { } - }; -#else -#define pci_default 0 -#endif /* CONFIG_PCI */ - - /* user supplied value */ - if (idebus_parameter) - return idebus_parameter; - - /* safe default value for PCI or VESA and PCI*/ - return pci_dev_present(pci_default) ? 33 : 50; -} - void ide_remove_port_from_hwgroup(ide_hwif_t *hwif) { ide_hwgroup_t *hwgroup = hwif->hwgroup; @@ -315,13 +228,14 @@ void ide_unregister(ide_hwif_t *hwif) BUG_ON(in_interrupt()); BUG_ON(irqs_disabled()); + mutex_lock(&ide_cfg_mtx); - spin_lock_irq(&ide_lock); - if (!hwif->present) - goto abort; - __ide_port_unregister_devices(hwif); - hwif->present = 0; + spin_lock_irq(&ide_lock); + if (hwif->present) { + __ide_port_unregister_devices(hwif); + hwif->present = 0; + } spin_unlock_irq(&ide_lock); ide_proc_unregister_port(hwif); @@ -351,16 +265,15 @@ void ide_unregister(ide_hwif_t *hwif) blk_unregister_region(MKDEV(hwif->major, 0), MAX_DRIVES<<PARTN_BITS); kfree(hwif->sg_table); unregister_blkdev(hwif->major, hwif->name); - spin_lock_irq(&ide_lock); if (hwif->dma_base) ide_release_dma_engine(hwif); + spin_lock_irq(&ide_lock); /* restore hwif data to pristine status */ ide_init_port_data(hwif, hwif->index); - -abort: spin_unlock_irq(&ide_lock); + mutex_unlock(&ide_cfg_mtx); } @@ -371,7 +284,8 @@ void ide_init_port_hw(ide_hwif_t *hwif, hw_regs_t *hw) memcpy(&hwif->io_ports, &hw->io_ports, sizeof(hwif->io_ports)); hwif->irq = hw->irq; hwif->chipset = hw->chipset; - hwif->gendev.parent = hw->dev; + hwif->dev = hw->dev; + hwif->gendev.parent = hw->parent ? hw->parent : hw->dev; hwif->ack_intr = hw->ack_intr; } EXPORT_SYMBOL_GPL(ide_init_port_hw); @@ -498,7 +412,7 @@ out: int set_pio_mode(ide_drive_t *drive, int arg) { - struct request rq; + struct request *rq; ide_hwif_t *hwif = drive->hwif; const struct ide_port_ops *port_ops = hwif->port_ops; @@ -512,12 +426,15 @@ int set_pio_mode(ide_drive_t *drive, int arg) if (drive->special.b.set_tune) return -EBUSY; - ide_init_drive_cmd(&rq); - rq.cmd_type = REQ_TYPE_ATA_TASKFILE; + rq = blk_get_request(drive->queue, READ, __GFP_WAIT); + rq->cmd_type = REQ_TYPE_ATA_TASKFILE; drive->tune_req = (u8) arg; drive->special.b.set_tune = 1; - (void) ide_do_drive_cmd(drive, &rq, ide_wait); + + blk_execute_rq(drive->queue, NULL, rq, 0); + blk_put_request(rq); + return 0; } @@ -537,25 +454,11 @@ static int set_unmaskirq(ide_drive_t *drive, int arg) return 0; } -/** - * system_bus_clock - clock guess - * - * External version of the bus clock guess used by very old IDE drivers - * for things like VLB timings. Should not be used. - */ - -int system_bus_clock (void) -{ - return system_bus_speed; -} - -EXPORT_SYMBOL(system_bus_clock); - static int generic_ide_suspend(struct device *dev, pm_message_t mesg) { ide_drive_t *drive = dev->driver_data; ide_hwif_t *hwif = HWIF(drive); - struct request rq; + struct request *rq; struct request_pm_state rqpm; ide_task_t args; int ret; @@ -564,18 +467,19 @@ static int generic_ide_suspend(struct device *dev, pm_message_t mesg) if (!(drive->dn % 2)) ide_acpi_get_timing(hwif); - blk_rq_init(NULL, &rq); memset(&rqpm, 0, sizeof(rqpm)); memset(&args, 0, sizeof(args)); - rq.cmd_type = REQ_TYPE_PM_SUSPEND; - rq.special = &args; - rq.data = &rqpm; + rq = blk_get_request(drive->queue, READ, __GFP_WAIT); + rq->cmd_type = REQ_TYPE_PM_SUSPEND; + rq->special = &args; + rq->data = &rqpm; rqpm.pm_step = ide_pm_state_start_suspend; if (mesg.event == PM_EVENT_PRETHAW) mesg.event = PM_EVENT_FREEZE; rqpm.pm_state = mesg.event; - ret = ide_do_drive_cmd(drive, &rq, ide_wait); + ret = blk_execute_rq(drive->queue, NULL, rq, 0); + blk_put_request(rq); /* only call ACPI _PS3 after both drivers are suspended */ if (!ret && (((drive->dn % 2) && hwif->drives[0].present && hwif->drives[1].present) @@ -589,7 +493,7 @@ static int generic_ide_resume(struct device *dev) { ide_drive_t *drive = dev->driver_data; ide_hwif_t *hwif = HWIF(drive); - struct request rq; + struct request *rq; struct request_pm_state rqpm; ide_task_t args; int err; @@ -602,16 +506,18 @@ static int generic_ide_resume(struct device *dev) ide_acpi_exec_tfs(drive); - blk_rq_init(NULL, &rq); memset(&rqpm, 0, sizeof(rqpm)); memset(&args, 0, sizeof(args)); - rq.cmd_type = REQ_TYPE_PM_RESUME; - rq.special = &args; - rq.data = &rqpm; + rq = blk_get_request(drive->queue, READ, __GFP_WAIT); + rq->cmd_type = REQ_TYPE_PM_RESUME; + rq->cmd_flags |= REQ_PREEMPT; + rq->special = &args; + rq->data = &rqpm; rqpm.pm_step = ide_pm_state_start_resume; rqpm.pm_state = PM_EVENT_ON; - err = ide_do_drive_cmd(drive, &rq, ide_head_wait); + err = blk_execute_rq(drive->queue, NULL, rq, 1); + blk_put_request(rq); if (err == 0 && dev->driver) { ide_driver_t *drv = to_ide_driver(dev->driver); @@ -623,6 +529,22 @@ static int generic_ide_resume(struct device *dev) return err; } +static int generic_drive_reset(ide_drive_t *drive) +{ + struct request *rq; + int ret = 0; + + rq = blk_get_request(drive->queue, READ, __GFP_WAIT); + rq->cmd_type = REQ_TYPE_SPECIAL; + rq->cmd_len = 1; + rq->cmd[0] = REQ_DRIVE_RESET; + rq->cmd_flags |= REQ_SOFTBARRIER; + if (blk_execute_rq(drive->queue, NULL, rq, 1)) + ret = rq->errors; + blk_put_request(rq); + return ret; +} + int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device *bdev, unsigned int cmd, unsigned long arg) { @@ -697,33 +619,8 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device if (!capable(CAP_SYS_ADMIN)) return -EACCES; - /* - * Abort the current command on the - * group if there is one, taking - * care not to allow anything else - * to be queued and to die on the - * spot if we miss one somehow - */ - - spin_lock_irqsave(&ide_lock, flags); - - if (HWGROUP(drive)->resetting) { - spin_unlock_irqrestore(&ide_lock, flags); - return -EBUSY; - } - - ide_abort(drive, "drive reset"); + return generic_drive_reset(drive); - BUG_ON(HWGROUP(drive)->handler); - - /* Ensure nothing gets queued after we - drop the lock. Reset will clear the busy */ - - HWGROUP(drive)->busy = 1; - spin_unlock_irqrestore(&ide_lock, flags); - (void) ide_do_reset(drive); - - return 0; case HDIO_GET_BUSSTATE: if (!capable(CAP_SYS_ADMIN)) return -EACCES; @@ -764,212 +661,6 @@ set_val: EXPORT_SYMBOL(generic_ide_ioctl); -/* - * stridx() returns the offset of c within s, - * or -1 if c is '\0' or not found within s. - */ -static int __init stridx (const char *s, char c) -{ - char *i = strchr(s, c); - return (i && c) ? i - s : -1; -} - -/* - * match_parm() does parsing for ide_setup(): - * - * 1. the first char of s must be '='. - * 2. if the remainder matches one of the supplied keywords, - * the index (1 based) of the keyword is negated and returned. - * 3. if the remainder is a series of no more than max_vals numbers - * separated by commas, the numbers are saved in vals[] and a - * count of how many were saved is returned. Base10 is assumed, - * and base16 is allowed when prefixed with "0x". - * 4. otherwise, zero is returned. - */ -static int __init match_parm (char *s, const char *keywords[], int vals[], int max_vals) -{ - static const char *decimal = "0123456789"; - static const char *hex = "0123456789abcdef"; - int i, n; - - if (*s++ == '=') { - /* - * Try matching against the supplied keywords, - * and return -(index+1) if we match one - */ - if (keywords != NULL) { - for (i = 0; *keywords != NULL; ++i) { - if (!strcmp(s, *keywords++)) - return -(i+1); - } - } - /* - * Look for a series of no more than "max_vals" - * numeric values separated by commas, in base10, - * or base16 when prefixed with "0x". - * Return a count of how many were found. - */ - for (n = 0; (i = stridx(decimal, *s)) >= 0;) { - vals[n] = i; - while ((i = stridx(decimal, *++s)) >= 0) - vals[n] = (vals[n] * 10) + i; - if (*s == 'x' && !vals[n]) { - while ((i = stridx(hex, *++s)) >= 0) - vals[n] = (vals[n] * 0x10) + i; - } - if (++n == max_vals) - break; - if (*s == ',' || *s == ';') - ++s; - } - if (!*s) - return n; - } - return 0; /* zero = nothing matched */ -} - -/* - * ide_setup() gets called VERY EARLY during initialization, - * to handle kernel "command line" strings beginning with "hdx=" or "ide". - * - * Remember to update Documentation/ide/ide.txt if you change something here. - */ -static int __init ide_setup(char *s) -{ - ide_hwif_t *hwif; - ide_drive_t *drive; - unsigned int hw, unit; - int vals[3]; - const char max_drive = 'a' + ((MAX_HWIFS * MAX_DRIVES) - 1); - - if (strncmp(s,"hd",2) == 0 && s[2] == '=') /* hd= is for hd.c */ - return 0; /* driver and not us */ - - if (strncmp(s,"ide",3) && strncmp(s,"idebus",6) && strncmp(s,"hd",2)) - return 0; - - printk(KERN_INFO "ide_setup: %s", s); - init_ide_data (); - -#ifdef CONFIG_BLK_DEV_IDEDOUBLER - if (!strcmp(s, "ide=doubler")) { - extern int ide_doubler; - - printk(" : Enabled support for IDE doublers\n"); - ide_doubler = 1; - goto obsolete_option; - } -#endif /* CONFIG_BLK_DEV_IDEDOUBLER */ - - if (!strcmp(s, "ide=nodma")) { - printk(" : Prevented DMA\n"); - noautodma = 1; - goto obsolete_option; - } - -#ifdef CONFIG_BLK_DEV_IDEACPI - if (!strcmp(s, "ide=noacpi")) { - //printk(" : Disable IDE ACPI support.\n"); - ide_noacpi = 1; - goto obsolete_option; - } - if (!strcmp(s, "ide=acpigtf")) { - //printk(" : Enable IDE ACPI _GTF support.\n"); - ide_acpigtf = 1; - goto obsolete_option; - } - if (!strcmp(s, "ide=acpionboot")) { - //printk(" : Call IDE ACPI methods on boot.\n"); - ide_acpionboot = 1; - goto obsolete_option; - } -#endif /* CONFIG_BLK_DEV_IDEACPI */ - - /* - * Look for drive options: "hdx=" - */ - if (s[0] == 'h' && s[1] == 'd' && s[2] >= 'a' && s[2] <= max_drive) { - const char *hd_words[] = { - "none", "noprobe", "nowerr", "cdrom", "nodma", - "-6", "-7", "-8", "-9", "-10", - "noflush", "remap", "remap63", "scsi", NULL }; - unit = s[2] - 'a'; - hw = unit / MAX_DRIVES; - unit = unit % MAX_DRIVES; - hwif = &ide_hwifs[hw]; - drive = &hwif->drives[unit]; - if (strncmp(s + 4, "ide-", 4) == 0) { - strlcpy(drive->driver_req, s + 4, sizeof(drive->driver_req)); - goto obsolete_option; - } - switch (match_parm(&s[3], hd_words, vals, 3)) { - case -1: /* "none" */ - case -2: /* "noprobe" */ - drive->noprobe = 1; - goto obsolete_option; - case -3: /* "nowerr" */ - drive->bad_wstat = BAD_R_STAT; - goto obsolete_option; - case -4: /* "cdrom" */ - drive->present = 1; - drive->media = ide_cdrom; - /* an ATAPI device ignores DRDY */ - drive->ready_stat = 0; - goto obsolete_option; - case -5: /* nodma */ - drive->nodma = 1; - goto obsolete_option; - case -11: /* noflush */ - drive->noflush = 1; - goto obsolete_option; - case -12: /* "remap" */ - drive->remap_0_to_1 = 1; - goto obsolete_option; - case -13: /* "remap63" */ - drive->sect0 = 63; - goto obsolete_option; - case -14: /* "scsi" */ - drive->scsi = 1; - goto obsolete_option; - case 3: /* cyl,head,sect */ - drive->media = ide_disk; - drive->ready_stat = READY_STAT; - drive->cyl = drive->bios_cyl = vals[0]; - drive->head = drive->bios_head = vals[1]; - drive->sect = drive->bios_sect = vals[2]; - drive->present = 1; - drive->forced_geom = 1; - goto obsolete_option; - default: - goto bad_option; - } - } - - if (s[0] != 'i' || s[1] != 'd' || s[2] != 'e') - goto bad_option; - /* - * Look for bus speed option: "idebus=" - */ - if (s[3] == 'b' && s[4] == 'u' && s[5] == 's') { - if (match_parm(&s[6], NULL, vals, 1) != 1) - goto bad_option; - if (vals[0] >= 20 && vals[0] <= 66) { - idebus_parameter = vals[0]; - } else - printk(" -- BAD BUS SPEED! Expected value from 20 to 66"); - goto obsolete_option; - } - -bad_option: - printk(" -- BAD OPTION\n"); - return 1; -obsolete_option: - printk(" -- OBSOLETE OPTION, WILL BE REMOVED SOON!\n"); - return 1; -} - -EXPORT_SYMBOL(ide_lock); - static int ide_bus_match(struct device *dev, struct device_driver *drv) { return 1; @@ -1094,13 +785,6 @@ struct bus_type ide_bus_type = { EXPORT_SYMBOL_GPL(ide_bus_type); -static void ide_port_class_release(struct device *portdev) -{ - ide_hwif_t *hwif = dev_get_drvdata(portdev); - - put_device(&hwif->gendev); -} - int ide_vlb_clk; EXPORT_SYMBOL_GPL(ide_vlb_clk); @@ -1288,11 +972,6 @@ static int __init ide_init(void) int ret; printk(KERN_INFO "Uniform Multi-Platform E-IDE driver\n"); - system_bus_speed = ide_system_bus_speed(); - - printk(KERN_INFO "ide: Assuming %dMHz system bus speed " - "for PIO modes%s\n", system_bus_speed, - idebus_parameter ? "" : "; override with idebus=xx"); ret = bus_register(&ide_bus_type); if (ret < 0) { @@ -1305,9 +984,6 @@ static int __init ide_init(void) ret = PTR_ERR(ide_port_class); goto out_port_class; } - ide_port_class->dev_release = ide_port_class_release; - - init_ide_data(); proc_ide_create(); @@ -1319,32 +995,7 @@ out_port_class: return ret; } -#ifdef MODULE -static char *options = NULL; -module_param(options, charp, 0); -MODULE_LICENSE("GPL"); - -static void __init parse_options (char *line) -{ - char *next = line; - - if (line == NULL || !*line) - return; - while ((line = next) != NULL) { - if ((next = strchr(line,' ')) != NULL) - *next++ = 0; - if (!ide_setup(line)) - printk (KERN_INFO "Unknown option '%s'\n", line); - } -} - -int __init init_module (void) -{ - parse_options(options); - return ide_init(); -} - -void __exit cleanup_module (void) +static void __exit ide_exit(void) { proc_ide_destroy(); @@ -1353,10 +1004,7 @@ void __exit cleanup_module (void) bus_unregister(&ide_bus_type); } -#else /* !MODULE */ - -__setup("", ide_setup); - module_init(ide_init); +module_exit(ide_exit); -#endif /* MODULE */ +MODULE_LICENSE("GPL"); diff --git a/drivers/ide/legacy/ali14xx.c b/drivers/ide/legacy/ali14xx.c index 90c65cf97448..4ec19737f3c5 100644 --- a/drivers/ide/legacy/ali14xx.c +++ b/drivers/ide/legacy/ali14xx.c @@ -116,11 +116,12 @@ static void ali14xx_set_pio_mode(ide_drive_t *drive, const u8 pio) int time1, time2; u8 param1, param2, param3, param4; unsigned long flags; - int bus_speed = ide_vlb_clk ? ide_vlb_clk : system_bus_clock(); + int bus_speed = ide_vlb_clk ? ide_vlb_clk : 50; + struct ide_timing *t = ide_timing_find_mode(XFER_PIO_0 + pio); /* calculate timing, according to PIO mode */ time1 = ide_pio_cycle_time(drive, pio); - time2 = ide_pio_timings[pio].active_time; + time2 = t->active; param3 = param1 = (time2 * bus_speed + 999) / 1000; param4 = param2 = (time1 * bus_speed + 999) / 1000 - param1; if (pio < 3) { diff --git a/drivers/ide/legacy/buddha.c b/drivers/ide/legacy/buddha.c index 5c730e4dd735..0497e7f85b09 100644 --- a/drivers/ide/legacy/buddha.c +++ b/drivers/ide/legacy/buddha.c @@ -138,6 +138,8 @@ static void __init buddha_setup_ports(hw_regs_t *hw, unsigned long base, hw->irq = IRQ_AMIGA_PORTS; hw->ack_intr = ack_intr; + + hw->chipset = ide_generic; } /* @@ -225,7 +227,6 @@ fail_base2: if (hwif) { u8 index = hwif->index; - ide_init_port_data(hwif, index); ide_init_port_hw(hwif, &hw); idx[i] = index; diff --git a/drivers/ide/legacy/falconide.c b/drivers/ide/legacy/falconide.c index 9e449a0c623f..129a812bb57f 100644 --- a/drivers/ide/legacy/falconide.c +++ b/drivers/ide/legacy/falconide.c @@ -81,6 +81,8 @@ static void __init falconide_setup_ports(hw_regs_t *hw) hw->irq = IRQ_MFP_IDE; hw->ack_intr = NULL; + + hw->chipset = ide_generic; } /* @@ -109,7 +111,6 @@ static int __init falconide_init(void) u8 index = hwif->index; u8 idx[4] = { index, 0xff, 0xff, 0xff }; - ide_init_port_data(hwif, index); ide_init_port_hw(hwif, &hw); /* Atari has a byte-swapped IDE interface */ diff --git a/drivers/ide/legacy/gayle.c b/drivers/ide/legacy/gayle.c index a9c2593a898c..7e74b20202df 100644 --- a/drivers/ide/legacy/gayle.c +++ b/drivers/ide/legacy/gayle.c @@ -16,6 +16,7 @@ #include <linux/ide.h> #include <linux/init.h> #include <linux/zorro.h> +#include <linux/module.h> #include <asm/setup.h> #include <asm/amigahw.h> @@ -62,7 +63,8 @@ GAYLE_NUM_HWIFS-1) #define GAYLE_HAS_CONTROL_REG (!ide_doubler) #define GAYLE_IDEREG_SIZE (ide_doubler ? 0x1000 : 0x2000) -int ide_doubler = 0; /* support IDE doublers? */ + +static int ide_doubler; module_param_named(doubler, ide_doubler, bool, 0); MODULE_PARM_DESC(doubler, "enable support for IDE doublers"); #endif /* CONFIG_BLK_DEV_IDEDOUBLER */ @@ -112,6 +114,8 @@ static void __init gayle_setup_ports(hw_regs_t *hw, unsigned long base, hw->irq = IRQ_AMIGA_PORTS; hw->ack_intr = ack_intr; + + hw->chipset = ide_generic; } /* @@ -181,7 +185,6 @@ found: if (hwif) { u8 index = hwif->index; - ide_init_port_data(hwif, index); ide_init_port_hw(hwif, &hw); idx[i] = index; diff --git a/drivers/ide/legacy/hd.c b/drivers/ide/legacy/hd.c deleted file mode 100644 index abdedf56643e..000000000000 --- a/drivers/ide/legacy/hd.c +++ /dev/null @@ -1,815 +0,0 @@ -/* - * Copyright (C) 1991, 1992 Linus Torvalds - * - * This is the low-level hd interrupt support. It traverses the - * request-list, using interrupts to jump between functions. As - * all the functions are called within interrupts, we may not - * sleep. Special care is recommended. - * - * modified by Drew Eckhardt to check nr of hd's from the CMOS. - * - * Thanks to Branko Lankester, lankeste@fwi.uva.nl, who found a bug - * in the early extended-partition checks and added DM partitions - * - * IRQ-unmask, drive-id, multiple-mode, support for ">16 heads", - * and general streamlining by Mark Lord. - * - * Removed 99% of above. Use Mark's ide driver for those options. - * This is now a lightweight ST-506 driver. (Paul Gortmaker) - * - * Modified 1995 Russell King for ARM processor. - * - * Bugfix: max_sectors must be <= 255 or the wheels tend to come - * off in a hurry once you queue things up - Paul G. 02/2001 - */ - -/* Uncomment the following if you want verbose error reports. */ -/* #define VERBOSE_ERRORS */ - -#include <linux/blkdev.h> -#include <linux/errno.h> -#include <linux/signal.h> -#include <linux/interrupt.h> -#include <linux/timer.h> -#include <linux/fs.h> -#include <linux/kernel.h> -#include <linux/genhd.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/ioport.h> -#include <linux/mc146818rtc.h> /* CMOS defines */ -#include <linux/init.h> -#include <linux/blkpg.h> -#include <linux/hdreg.h> - -#define REALLY_SLOW_IO -#include <asm/system.h> -#include <asm/io.h> -#include <asm/uaccess.h> - -#ifdef __arm__ -#undef HD_IRQ -#endif -#include <asm/irq.h> -#ifdef __arm__ -#define HD_IRQ IRQ_HARDDISK -#endif - -/* Hd controller regster ports */ - -#define HD_DATA 0x1f0 /* _CTL when writing */ -#define HD_ERROR 0x1f1 /* see err-bits */ -#define HD_NSECTOR 0x1f2 /* nr of sectors to read/write */ -#define HD_SECTOR 0x1f3 /* starting sector */ -#define HD_LCYL 0x1f4 /* starting cylinder */ -#define HD_HCYL 0x1f5 /* high byte of starting cyl */ -#define HD_CURRENT 0x1f6 /* 101dhhhh , d=drive, hhhh=head */ -#define HD_STATUS 0x1f7 /* see status-bits */ -#define HD_FEATURE HD_ERROR /* same io address, read=error, write=feature */ -#define HD_PRECOMP HD_FEATURE /* obsolete use of this port - predates IDE */ -#define HD_COMMAND HD_STATUS /* same io address, read=status, write=cmd */ - -#define HD_CMD 0x3f6 /* used for resets */ -#define HD_ALTSTATUS 0x3f6 /* same as HD_STATUS but doesn't clear irq */ - -/* Bits of HD_STATUS */ -#define ERR_STAT 0x01 -#define INDEX_STAT 0x02 -#define ECC_STAT 0x04 /* Corrected error */ -#define DRQ_STAT 0x08 -#define SEEK_STAT 0x10 -#define SERVICE_STAT SEEK_STAT -#define WRERR_STAT 0x20 -#define READY_STAT 0x40 -#define BUSY_STAT 0x80 - -/* Bits for HD_ERROR */ -#define MARK_ERR 0x01 /* Bad address mark */ -#define TRK0_ERR 0x02 /* couldn't find track 0 */ -#define ABRT_ERR 0x04 /* Command aborted */ -#define MCR_ERR 0x08 /* media change request */ -#define ID_ERR 0x10 /* ID field not found */ -#define MC_ERR 0x20 /* media changed */ -#define ECC_ERR 0x40 /* Uncorrectable ECC error */ -#define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */ -#define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */ - -static DEFINE_SPINLOCK(hd_lock); -static struct request_queue *hd_queue; - -#define MAJOR_NR HD_MAJOR -#define QUEUE (hd_queue) -#define CURRENT elv_next_request(hd_queue) - -#define TIMEOUT_VALUE (6*HZ) -#define HD_DELAY 0 - -#define MAX_ERRORS 16 /* Max read/write errors/sector */ -#define RESET_FREQ 8 /* Reset controller every 8th retry */ -#define RECAL_FREQ 4 /* Recalibrate every 4th retry */ -#define MAX_HD 2 - -#define STAT_OK (READY_STAT|SEEK_STAT) -#define OK_STATUS(s) (((s)&(STAT_OK|(BUSY_STAT|WRERR_STAT|ERR_STAT)))==STAT_OK) - -static void recal_intr(void); -static void bad_rw_intr(void); - -static int reset; -static int hd_error; - -/* - * This struct defines the HD's and their types. - */ -struct hd_i_struct { - unsigned int head, sect, cyl, wpcom, lzone, ctl; - int unit; - int recalibrate; - int special_op; -}; - -#ifdef HD_TYPE -static struct hd_i_struct hd_info[] = { HD_TYPE }; -static int NR_HD = ARRAY_SIZE(hd_info); -#else -static struct hd_i_struct hd_info[MAX_HD]; -static int NR_HD; -#endif - -static struct gendisk *hd_gendisk[MAX_HD]; - -static struct timer_list device_timer; - -#define TIMEOUT_VALUE (6*HZ) - -#define SET_TIMER \ - do { \ - mod_timer(&device_timer, jiffies + TIMEOUT_VALUE); \ - } while (0) - -static void (*do_hd)(void) = NULL; -#define SET_HANDLER(x) \ -if ((do_hd = (x)) != NULL) \ - SET_TIMER; \ -else \ - del_timer(&device_timer); - - -#if (HD_DELAY > 0) - -#include <asm/i8253.h> - -unsigned long last_req; - -unsigned long read_timer(void) -{ - unsigned long t, flags; - int i; - - spin_lock_irqsave(&i8253_lock, flags); - t = jiffies * 11932; - outb_p(0, 0x43); - i = inb_p(0x40); - i |= inb(0x40) << 8; - spin_unlock_irqrestore(&i8253_lock, flags); - return(t - i); -} -#endif - -static void __init hd_setup(char *str, int *ints) -{ - int hdind = 0; - - if (ints[0] != 3) - return; - if (hd_info[0].head != 0) - hdind = 1; - hd_info[hdind].head = ints[2]; - hd_info[hdind].sect = ints[3]; - hd_info[hdind].cyl = ints[1]; - hd_info[hdind].wpcom = 0; - hd_info[hdind].lzone = ints[1]; - hd_info[hdind].ctl = (ints[2] > 8 ? 8 : 0); - NR_HD = hdind+1; -} - -static void dump_status(const char *msg, unsigned int stat) -{ - char *name = "hd?"; - if (CURRENT) - name = CURRENT->rq_disk->disk_name; - -#ifdef VERBOSE_ERRORS - printk("%s: %s: status=0x%02x { ", name, msg, stat & 0xff); - if (stat & BUSY_STAT) printk("Busy "); - if (stat & READY_STAT) printk("DriveReady "); - if (stat & WRERR_STAT) printk("WriteFault "); - if (stat & SEEK_STAT) printk("SeekComplete "); - if (stat & DRQ_STAT) printk("DataRequest "); - if (stat & ECC_STAT) printk("CorrectedError "); - if (stat & INDEX_STAT) printk("Index "); - if (stat & ERR_STAT) printk("Error "); - printk("}\n"); - if ((stat & ERR_STAT) == 0) { - hd_error = 0; - } else { - hd_error = inb(HD_ERROR); - printk("%s: %s: error=0x%02x { ", name, msg, hd_error & 0xff); - if (hd_error & BBD_ERR) printk("BadSector "); - if (hd_error & ECC_ERR) printk("UncorrectableError "); - if (hd_error & ID_ERR) printk("SectorIdNotFound "); - if (hd_error & ABRT_ERR) printk("DriveStatusError "); - if (hd_error & TRK0_ERR) printk("TrackZeroNotFound "); - if (hd_error & MARK_ERR) printk("AddrMarkNotFound "); - printk("}"); - if (hd_error & (BBD_ERR|ECC_ERR|ID_ERR|MARK_ERR)) { - printk(", CHS=%d/%d/%d", (inb(HD_HCYL)<<8) + inb(HD_LCYL), - inb(HD_CURRENT) & 0xf, inb(HD_SECTOR)); - if (CURRENT) - printk(", sector=%ld", CURRENT->sector); - } - printk("\n"); - } -#else - printk("%s: %s: status=0x%02x.\n", name, msg, stat & 0xff); - if ((stat & ERR_STAT) == 0) { - hd_error = 0; - } else { - hd_error = inb(HD_ERROR); - printk("%s: %s: error=0x%02x.\n", name, msg, hd_error & 0xff); - } -#endif -} - -static void check_status(void) -{ - int i = inb_p(HD_STATUS); - - if (!OK_STATUS(i)) { - dump_status("check_status", i); - bad_rw_intr(); - } -} - -static int controller_busy(void) -{ - int retries = 100000; - unsigned char status; - - do { - status = inb_p(HD_STATUS); - } while ((status & BUSY_STAT) && --retries); - return status; -} - -static int status_ok(void) -{ - unsigned char status = inb_p(HD_STATUS); - - if (status & BUSY_STAT) - return 1; /* Ancient, but does it make sense??? */ - if (status & WRERR_STAT) - return 0; - if (!(status & READY_STAT)) - return 0; - if (!(status & SEEK_STAT)) - return 0; - return 1; -} - -static int controller_ready(unsigned int drive, unsigned int head) -{ - int retry = 100; - - do { - if (controller_busy() & BUSY_STAT) - return 0; - outb_p(0xA0 | (drive<<4) | head, HD_CURRENT); - if (status_ok()) - return 1; - } while (--retry); - return 0; -} - -static void hd_out(struct hd_i_struct *disk, - unsigned int nsect, - unsigned int sect, - unsigned int head, - unsigned int cyl, - unsigned int cmd, - void (*intr_addr)(void)) -{ - unsigned short port; - -#if (HD_DELAY > 0) - while (read_timer() - last_req < HD_DELAY) - /* nothing */; -#endif - if (reset) - return; - if (!controller_ready(disk->unit, head)) { - reset = 1; - return; - } - SET_HANDLER(intr_addr); - outb_p(disk->ctl, HD_CMD); - port = HD_DATA; - outb_p(disk->wpcom >> 2, ++port); - outb_p(nsect, ++port); - outb_p(sect, ++port); - outb_p(cyl, ++port); - outb_p(cyl >> 8, ++port); - outb_p(0xA0 | (disk->unit << 4) | head, ++port); - outb_p(cmd, ++port); -} - -static void hd_request (void); - -static int drive_busy(void) -{ - unsigned int i; - unsigned char c; - - for (i = 0; i < 500000 ; i++) { - c = inb_p(HD_STATUS); - if ((c & (BUSY_STAT | READY_STAT | SEEK_STAT)) == STAT_OK) - return 0; - } - dump_status("reset timed out", c); - return 1; -} - -static void reset_controller(void) -{ - int i; - - outb_p(4, HD_CMD); - for (i = 0; i < 1000; i++) barrier(); - outb_p(hd_info[0].ctl & 0x0f, HD_CMD); - for (i = 0; i < 1000; i++) barrier(); - if (drive_busy()) - printk("hd: controller still busy\n"); - else if ((hd_error = inb(HD_ERROR)) != 1) - printk("hd: controller reset failed: %02x\n", hd_error); -} - -static void reset_hd(void) -{ - static int i; - -repeat: - if (reset) { - reset = 0; - i = -1; - reset_controller(); - } else { - check_status(); - if (reset) - goto repeat; - } - if (++i < NR_HD) { - struct hd_i_struct *disk = &hd_info[i]; - disk->special_op = disk->recalibrate = 1; - hd_out(disk, disk->sect, disk->sect, disk->head-1, - disk->cyl, WIN_SPECIFY, &reset_hd); - if (reset) - goto repeat; - } else - hd_request(); -} - -/* - * Ok, don't know what to do with the unexpected interrupts: on some machines - * doing a reset and a retry seems to result in an eternal loop. Right now I - * ignore it, and just set the timeout. - * - * On laptops (and "green" PCs), an unexpected interrupt occurs whenever the - * drive enters "idle", "standby", or "sleep" mode, so if the status looks - * "good", we just ignore the interrupt completely. - */ -static void unexpected_hd_interrupt(void) -{ - unsigned int stat = inb_p(HD_STATUS); - - if (stat & (BUSY_STAT|DRQ_STAT|ECC_STAT|ERR_STAT)) { - dump_status("unexpected interrupt", stat); - SET_TIMER; - } -} - -/* - * bad_rw_intr() now tries to be a bit smarter and does things - * according to the error returned by the controller. - * -Mika Liljeberg (liljeber@cs.Helsinki.FI) - */ -static void bad_rw_intr(void) -{ - struct request *req = CURRENT; - if (req != NULL) { - struct hd_i_struct *disk = req->rq_disk->private_data; - if (++req->errors >= MAX_ERRORS || (hd_error & BBD_ERR)) { - end_request(req, 0); - disk->special_op = disk->recalibrate = 1; - } else if (req->errors % RESET_FREQ == 0) - reset = 1; - else if ((hd_error & TRK0_ERR) || req->errors % RECAL_FREQ == 0) - disk->special_op = disk->recalibrate = 1; - /* Otherwise just retry */ - } -} - -static inline int wait_DRQ(void) -{ - int retries; - int stat; - - for (retries = 0; retries < 100000; retries++) { - stat = inb_p(HD_STATUS); - if (stat & DRQ_STAT) - return 0; - } - dump_status("wait_DRQ", stat); - return -1; -} - -static void read_intr(void) -{ - struct request *req; - int i, retries = 100000; - - do { - i = (unsigned) inb_p(HD_STATUS); - if (i & BUSY_STAT) - continue; - if (!OK_STATUS(i)) - break; - if (i & DRQ_STAT) - goto ok_to_read; - } while (--retries > 0); - dump_status("read_intr", i); - bad_rw_intr(); - hd_request(); - return; -ok_to_read: - req = CURRENT; - insw(HD_DATA, req->buffer, 256); - req->sector++; - req->buffer += 512; - req->errors = 0; - i = --req->nr_sectors; - --req->current_nr_sectors; -#ifdef DEBUG - printk("%s: read: sector %ld, remaining = %ld, buffer=%p\n", - req->rq_disk->disk_name, req->sector, req->nr_sectors, - req->buffer+512); -#endif - if (req->current_nr_sectors <= 0) - end_request(req, 1); - if (i > 0) { - SET_HANDLER(&read_intr); - return; - } - (void) inb_p(HD_STATUS); -#if (HD_DELAY > 0) - last_req = read_timer(); -#endif - if (elv_next_request(QUEUE)) - hd_request(); - return; -} - -static void write_intr(void) -{ - struct request *req = CURRENT; - int i; - int retries = 100000; - - do { - i = (unsigned) inb_p(HD_STATUS); - if (i & BUSY_STAT) - continue; - if (!OK_STATUS(i)) - break; - if ((req->nr_sectors <= 1) || (i & DRQ_STAT)) - goto ok_to_write; - } while (--retries > 0); - dump_status("write_intr", i); - bad_rw_intr(); - hd_request(); - return; -ok_to_write: - req->sector++; - i = --req->nr_sectors; - --req->current_nr_sectors; - req->buffer += 512; - if (!i || (req->bio && req->current_nr_sectors <= 0)) - end_request(req, 1); - if (i > 0) { - SET_HANDLER(&write_intr); - outsw(HD_DATA, req->buffer, 256); - local_irq_enable(); - } else { -#if (HD_DELAY > 0) - last_req = read_timer(); -#endif - hd_request(); - } - return; -} - -static void recal_intr(void) -{ - check_status(); -#if (HD_DELAY > 0) - last_req = read_timer(); -#endif - hd_request(); -} - -/* - * This is another of the error-routines I don't know what to do with. The - * best idea seems to just set reset, and start all over again. - */ -static void hd_times_out(unsigned long dummy) -{ - char *name; - - do_hd = NULL; - - if (!CURRENT) - return; - - disable_irq(HD_IRQ); - local_irq_enable(); - reset = 1; - name = CURRENT->rq_disk->disk_name; - printk("%s: timeout\n", name); - if (++CURRENT->errors >= MAX_ERRORS) { -#ifdef DEBUG - printk("%s: too many errors\n", name); -#endif - end_request(CURRENT, 0); - } - local_irq_disable(); - hd_request(); - enable_irq(HD_IRQ); -} - -static int do_special_op(struct hd_i_struct *disk, struct request *req) -{ - if (disk->recalibrate) { - disk->recalibrate = 0; - hd_out(disk, disk->sect, 0, 0, 0, WIN_RESTORE, &recal_intr); - return reset; - } - if (disk->head > 16) { - printk("%s: cannot handle device with more than 16 heads - giving up\n", req->rq_disk->disk_name); - end_request(req, 0); - } - disk->special_op = 0; - return 1; -} - -/* - * The driver enables interrupts as much as possible. In order to do this, - * (a) the device-interrupt is disabled before entering hd_request(), - * and (b) the timeout-interrupt is disabled before the sti(). - * - * Interrupts are still masked (by default) whenever we are exchanging - * data/cmds with a drive, because some drives seem to have very poor - * tolerance for latency during I/O. The IDE driver has support to unmask - * interrupts for non-broken hardware, so use that driver if required. - */ -static void hd_request(void) -{ - unsigned int block, nsect, sec, track, head, cyl; - struct hd_i_struct *disk; - struct request *req; - - if (do_hd) - return; -repeat: - del_timer(&device_timer); - local_irq_enable(); - - req = CURRENT; - if (!req) { - do_hd = NULL; - return; - } - - if (reset) { - local_irq_disable(); - reset_hd(); - return; - } - disk = req->rq_disk->private_data; - block = req->sector; - nsect = req->nr_sectors; - if (block >= get_capacity(req->rq_disk) || - ((block+nsect) > get_capacity(req->rq_disk))) { - printk("%s: bad access: block=%d, count=%d\n", - req->rq_disk->disk_name, block, nsect); - end_request(req, 0); - goto repeat; - } - - if (disk->special_op) { - if (do_special_op(disk, req)) - goto repeat; - return; - } - sec = block % disk->sect + 1; - track = block / disk->sect; - head = track % disk->head; - cyl = track / disk->head; -#ifdef DEBUG - printk("%s: %sing: CHS=%d/%d/%d, sectors=%d, buffer=%p\n", - req->rq_disk->disk_name, - req_data_dir(req) == READ ? "read" : "writ", - cyl, head, sec, nsect, req->buffer); -#endif - if (blk_fs_request(req)) { - switch (rq_data_dir(req)) { - case READ: - hd_out(disk, nsect, sec, head, cyl, WIN_READ, - &read_intr); - if (reset) - goto repeat; - break; - case WRITE: - hd_out(disk, nsect, sec, head, cyl, WIN_WRITE, - &write_intr); - if (reset) - goto repeat; - if (wait_DRQ()) { - bad_rw_intr(); - goto repeat; - } - outsw(HD_DATA, req->buffer, 256); - break; - default: - printk("unknown hd-command\n"); - end_request(req, 0); - break; - } - } -} - -static void do_hd_request(struct request_queue *q) -{ - disable_irq(HD_IRQ); - hd_request(); - enable_irq(HD_IRQ); -} - -static int hd_getgeo(struct block_device *bdev, struct hd_geometry *geo) -{ - struct hd_i_struct *disk = bdev->bd_disk->private_data; - - geo->heads = disk->head; - geo->sectors = disk->sect; - geo->cylinders = disk->cyl; - return 0; -} - -/* - * Releasing a block device means we sync() it, so that it can safely - * be forgotten about... - */ - -static irqreturn_t hd_interrupt(int irq, void *dev_id) -{ - void (*handler)(void) = do_hd; - - do_hd = NULL; - del_timer(&device_timer); - if (!handler) - handler = unexpected_hd_interrupt; - handler(); - local_irq_enable(); - return IRQ_HANDLED; -} - -static struct block_device_operations hd_fops = { - .getgeo = hd_getgeo, -}; - -/* - * This is the hard disk IRQ description. The IRQF_DISABLED in sa_flags - * means we run the IRQ-handler with interrupts disabled: this is bad for - * interrupt latency, but anything else has led to problems on some - * machines. - * - * We enable interrupts in some of the routines after making sure it's - * safe. - */ - -static int __init hd_init(void) -{ - int drive; - - if (register_blkdev(MAJOR_NR, "hd")) - return -1; - - hd_queue = blk_init_queue(do_hd_request, &hd_lock); - if (!hd_queue) { - unregister_blkdev(MAJOR_NR, "hd"); - return -ENOMEM; - } - - blk_queue_max_sectors(hd_queue, 255); - init_timer(&device_timer); - device_timer.function = hd_times_out; - blk_queue_hardsect_size(hd_queue, 512); - - if (!NR_HD) { - /* - * We don't know anything about the drive. This means - * that you *MUST* specify the drive parameters to the - * kernel yourself. - * - * If we were on an i386, we used to read this info from - * the BIOS or CMOS. This doesn't work all that well, - * since this assumes that this is a primary or secondary - * drive, and if we're using this legacy driver, it's - * probably an auxilliary controller added to recover - * legacy data off an ST-506 drive. Either way, it's - * definitely safest to have the user explicitly specify - * the information. - */ - printk("hd: no drives specified - use hd=cyl,head,sectors" - " on kernel command line\n"); - goto out; - } - - for (drive = 0 ; drive < NR_HD ; drive++) { - struct gendisk *disk = alloc_disk(64); - struct hd_i_struct *p = &hd_info[drive]; - if (!disk) - goto Enomem; - disk->major = MAJOR_NR; - disk->first_minor = drive << 6; - disk->fops = &hd_fops; - sprintf(disk->disk_name, "hd%c", 'a'+drive); - disk->private_data = p; - set_capacity(disk, p->head * p->sect * p->cyl); - disk->queue = hd_queue; - p->unit = drive; - hd_gendisk[drive] = disk; - printk("%s: %luMB, CHS=%d/%d/%d\n", - disk->disk_name, (unsigned long)get_capacity(disk)/2048, - p->cyl, p->head, p->sect); - } - - if (request_irq(HD_IRQ, hd_interrupt, IRQF_DISABLED, "hd", NULL)) { - printk("hd: unable to get IRQ%d for the hard disk driver\n", - HD_IRQ); - goto out1; - } - if (!request_region(HD_DATA, 8, "hd")) { - printk(KERN_WARNING "hd: port 0x%x busy\n", HD_DATA); - goto out2; - } - if (!request_region(HD_CMD, 1, "hd(cmd)")) { - printk(KERN_WARNING "hd: port 0x%x busy\n", HD_CMD); - goto out3; - } - - /* Let them fly */ - for (drive = 0; drive < NR_HD; drive++) - add_disk(hd_gendisk[drive]); - - return 0; - -out3: - release_region(HD_DATA, 8); -out2: - free_irq(HD_IRQ, NULL); -out1: - for (drive = 0; drive < NR_HD; drive++) - put_disk(hd_gendisk[drive]); - NR_HD = 0; -out: - del_timer(&device_timer); - unregister_blkdev(MAJOR_NR, "hd"); - blk_cleanup_queue(hd_queue); - return -1; -Enomem: - while (drive--) - put_disk(hd_gendisk[drive]); - goto out; -} - -static int __init parse_hd_setup(char *line) -{ - int ints[6]; - - (void) get_options(line, ARRAY_SIZE(ints), ints); - hd_setup(NULL, ints); - - return 1; -} -__setup("hd=", parse_hd_setup); - -module_init(hd_init); diff --git a/drivers/ide/legacy/ht6560b.c b/drivers/ide/legacy/ht6560b.c index 4fe516df9f74..7bc8fd59ea9e 100644 --- a/drivers/ide/legacy/ht6560b.c +++ b/drivers/ide/legacy/ht6560b.c @@ -212,10 +212,11 @@ static u8 ht_pio2timings(ide_drive_t *drive, const u8 pio) { int active_time, recovery_time; int active_cycles, recovery_cycles; - int bus_speed = ide_vlb_clk ? ide_vlb_clk : system_bus_clock(); + int bus_speed = ide_vlb_clk ? ide_vlb_clk : 50; if (pio) { unsigned int cycle_time; + struct ide_timing *t = ide_timing_find_mode(XFER_PIO_0 + pio); cycle_time = ide_pio_cycle_time(drive, pio); @@ -224,10 +225,8 @@ static u8 ht_pio2timings(ide_drive_t *drive, const u8 pio) * actual cycle time for recovery and activity * according system bus speed. */ - active_time = ide_pio_timings[pio].active_time; - recovery_time = cycle_time - - active_time - - ide_pio_timings[pio].setup_time; + active_time = t->active; + recovery_time = cycle_time - active_time - t->setup; /* * Cycle times should be Vesa bus cycles */ @@ -311,16 +310,16 @@ static void ht6560b_set_pio_mode(ide_drive_t *drive, const u8 pio) #endif } -static void __init ht6560b_port_init_devs(ide_hwif_t *hwif) +static void __init ht6560b_init_dev(ide_drive_t *drive) { + ide_hwif_t *hwif = drive->hwif; /* Setting default configurations for drives. */ int t = (HT_CONFIG_DEFAULT << 8) | HT_TIMING_DEFAULT; if (hwif->channel) t |= (HT_SECONDARY_IF << 8); - hwif->drives[0].drive_data = t; - hwif->drives[1].drive_data = t; + drive->drive_data = t; } static int probe_ht6560b; @@ -329,7 +328,7 @@ module_param_named(probe, probe_ht6560b, bool, 0); MODULE_PARM_DESC(probe, "probe for HT6560B chipset"); static const struct ide_port_ops ht6560b_port_ops = { - .port_init_devs = ht6560b_port_init_devs, + .init_dev = ht6560b_init_dev, .set_pio_mode = ht6560b_set_pio_mode, .selectproc = ht6560b_selectproc, }; diff --git a/drivers/ide/legacy/ide-4drives.c b/drivers/ide/legacy/ide-4drives.c index ecae916a3385..89c8ff0a4d08 100644 --- a/drivers/ide/legacy/ide-4drives.c +++ b/drivers/ide/legacy/ide-4drives.c @@ -11,6 +11,21 @@ static int probe_4drives; module_param_named(probe, probe_4drives, bool, 0); MODULE_PARM_DESC(probe, "probe for generic IDE chipset with 4 drives/port"); +static void ide_4drives_init_dev(ide_drive_t *drive) +{ + if (drive->hwif->channel) + drive->select.all ^= 0x20; +} + +static const struct ide_port_ops ide_4drives_port_ops = { + .init_dev = ide_4drives_init_dev, +}; + +static const struct ide_port_info ide_4drives_port_info = { + .port_ops = &ide_4drives_port_ops, + .host_flags = IDE_HFLAG_SERIALIZE | IDE_HFLAG_NO_DMA, +}; + static int __init ide_4drives_init(void) { ide_hwif_t *hwif, *mate; @@ -49,18 +64,10 @@ static int __init ide_4drives_init(void) mate = ide_find_port(); if (mate) { ide_init_port_hw(mate, &hw); - mate->drives[0].select.all ^= 0x20; - mate->drives[1].select.all ^= 0x20; idx[1] = mate->index; - - if (hwif) { - hwif->mate = mate; - mate->mate = hwif; - hwif->serialized = mate->serialized = 1; - } } - ide_device_add(idx, NULL); + ide_device_add(idx, &ide_4drives_port_info); return 0; } diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c index aa2ea3deac85..27b1e0b7ecb4 100644 --- a/drivers/ide/legacy/ide-cs.c +++ b/drivers/ide/legacy/ide-cs.c @@ -63,11 +63,9 @@ MODULE_LICENSE("Dual MPL/GPL"); #define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0) -#ifdef PCMCIA_DEBUG -INT_MODULE_PARM(pc_debug, PCMCIA_DEBUG); +#ifdef CONFIG_PCMCIA_DEBUG +INT_MODULE_PARM(pc_debug, 0); #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args) -static char *version = -"ide-cs.c 1.3 2002/10/26 05:45:31 (David Hinds)"; #else #define DEBUG(n, args...) #endif @@ -135,13 +133,17 @@ static void ide_detach(struct pcmcia_device *link) { ide_info_t *info = link->priv; ide_hwif_t *hwif = info->hwif; + unsigned long data_addr, ctl_addr; DEBUG(0, "ide_detach(0x%p)\n", link); + data_addr = hwif->io_ports.data_addr; + ctl_addr = hwif->io_ports.ctl_addr; + ide_release(link); - release_region(hwif->io_ports.ctl_addr, 1); - release_region(hwif->io_ports.data_addr, 8); + release_region(ctl_addr, 1); + release_region(data_addr, 8); kfree(info); } /* ide_detach */ @@ -150,6 +152,11 @@ static const struct ide_port_ops idecs_port_ops = { .quirkproc = ide_undecoded_slave, }; +static const struct ide_port_info idecs_port_info = { + .port_ops = &idecs_port_ops, + .host_flags = IDE_HFLAG_NO_DMA, +}; + static ide_hwif_t *idecs_register(unsigned long io, unsigned long ctl, unsigned long irq, struct pcmcia_device *handle) { @@ -183,17 +190,25 @@ static ide_hwif_t *idecs_register(unsigned long io, unsigned long ctl, i = hwif->index; - ide_init_port_data(hwif, i); ide_init_port_hw(hwif, &hw); - hwif->port_ops = &idecs_port_ops; idx[0] = i; - ide_device_add(idx, NULL); + ide_device_add(idx, &idecs_port_info); if (hwif->present) return hwif; + /* retry registration in case device is still spinning up */ + for (i = 0; i < 10; i++) { + msleep(100); + ide_port_scan(hwif); + if (hwif->present) + return hwif; + } + + return hwif; + out_release: release_region(ctl, 1); release_region(io, 8); @@ -222,7 +237,7 @@ static int ide_config(struct pcmcia_device *link) cistpl_cftable_entry_t dflt; } *stk = NULL; cistpl_cftable_entry_t *cfg; - int i, pass, last_ret = 0, last_fn = 0, is_kme = 0; + int pass, last_ret = 0, last_fn = 0, is_kme = 0; unsigned long io_base, ctl_base; ide_hwif_t *hwif; @@ -319,30 +334,15 @@ static int ide_config(struct pcmcia_device *link) if (is_kme) outb(0x81, ctl_base+1); - /* retry registration in case device is still spinning up */ - for (i = 0; i < 10; i++) { - hwif = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ, link); - if (hwif) - break; - if (link->io.NumPorts1 == 0x20) { + hwif = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ, link); + if (hwif == NULL && link->io.NumPorts1 == 0x20) { outb(0x02, ctl_base + 0x10); hwif = idecs_register(io_base + 0x10, ctl_base + 0x10, link->irq.AssignedIRQ, link); - if (hwif) { - io_base += 0x10; - ctl_base += 0x10; - break; - } - } - msleep(100); } - if (hwif == NULL) { - printk(KERN_NOTICE "ide-cs: ide_register() at 0x%3lx & 0x%3lx" - ", irq %u failed\n", io_base, ctl_base, - link->irq.AssignedIRQ); + if (hwif == NULL) goto failed; - } info->ndev = 1; sprintf(info->node.dev_name, "hd%c", 'a' + hwif->index * 2); @@ -376,7 +376,7 @@ failed: ======================================================================*/ -void ide_release(struct pcmcia_device *link) +static void ide_release(struct pcmcia_device *link) { ide_info_t *info = link->priv; ide_hwif_t *hwif = info->hwif; @@ -411,6 +411,7 @@ static struct pcmcia_device_id ide_ids[] = { PCMCIA_DEVICE_MANF_CARD(0x001c, 0x0001), /* Mitsubishi CFA */ PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704), PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401), /* SanDisk CFA */ + PCMCIA_DEVICE_MANF_CARD(0x004f, 0x0000), /* Kingston */ PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */ PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d), PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */ @@ -440,6 +441,7 @@ static struct pcmcia_device_id ide_ids[] = { PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149), PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674), PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2 ", 0xe37be2b5, 0x8671043b), + PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF300", 0x7ed2ad87, 0x7e9e78ee), PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF500", 0x7ed2ad87, 0x7a13045c), PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79), PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591), @@ -450,6 +452,7 @@ static struct pcmcia_device_id ide_ids[] = { PCMCIA_DEVICE_PROD_ID12("SMI VENDOR", "SMI PRODUCT", 0x30896c92, 0x703cc5f6), PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003), PCMCIA_DEVICE_PROD_ID1("TRANSCEND 512M ", 0xd0909443), + PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF45", 0x709b1bf1, 0xf68b6f32), PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1), PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS2GCF120", 0x709b1bf1, 0x969aa4f2), PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8), diff --git a/drivers/ide/legacy/ide_platform.c b/drivers/ide/legacy/ide_platform.c index d3bc3f24e05d..a249562b34b5 100644 --- a/drivers/ide/legacy/ide_platform.c +++ b/drivers/ide/legacy/ide_platform.c @@ -44,6 +44,10 @@ static void __devinit plat_ide_setup_ports(hw_regs_t *hw, hw->chipset = ide_generic; } +static const struct ide_port_info platform_ide_port_info = { + .host_flags = IDE_HFLAG_NO_DMA, +}; + static int __devinit plat_ide_probe(struct platform_device *pdev) { struct resource *res_base, *res_alt, *res_irq; @@ -54,6 +58,7 @@ static int __devinit plat_ide_probe(struct platform_device *pdev) int ret = 0; int mmio = 0; hw_regs_t hw; + struct ide_port_info d = platform_ide_port_info; pdata = pdev->dev.platform_data; @@ -102,13 +107,13 @@ static int __devinit plat_ide_probe(struct platform_device *pdev) ide_init_port_hw(hwif, &hw); if (mmio) { - hwif->host_flags = IDE_HFLAG_MMIO; + d.host_flags |= IDE_HFLAG_MMIO; default_hwif_mmiops(hwif); } idx[0] = hwif->index; - ide_device_add(idx, NULL); + ide_device_add(idx, &d); platform_set_drvdata(pdev, hwif); diff --git a/drivers/ide/legacy/macide.c b/drivers/ide/legacy/macide.c index caa2632dd08e..0a6195bcfeda 100644 --- a/drivers/ide/legacy/macide.c +++ b/drivers/ide/legacy/macide.c @@ -78,6 +78,8 @@ static void __init macide_setup_ports(hw_regs_t *hw, unsigned long base, hw->irq = irq; hw->ack_intr = ack_intr; + + hw->chipset = ide_generic; } static const char *mac_ide_name[] = @@ -128,7 +130,6 @@ static int __init macide_init(void) u8 index = hwif->index; u8 idx[4] = { index, 0xff, 0xff, 0xff }; - ide_init_port_data(hwif, index); ide_init_port_hw(hwif, &hw); ide_device_add(idx, NULL); diff --git a/drivers/ide/legacy/q40ide.c b/drivers/ide/legacy/q40ide.c index 6f535d00e638..9c2b9d078f69 100644 --- a/drivers/ide/legacy/q40ide.c +++ b/drivers/ide/legacy/q40ide.c @@ -70,6 +70,8 @@ static void q40_ide_setup_ports(hw_regs_t *hw, unsigned long base, hw->irq = irq; hw->ack_intr = ack_intr; + + hw->chipset = ide_generic; } static void q40ide_input_data(ide_drive_t *drive, struct request *rq, @@ -140,7 +142,6 @@ static int __init q40ide_init(void) hwif = ide_find_port(); if (hwif) { - ide_init_port_data(hwif, hwif->index); ide_init_port_hw(hwif, &hw); /* Q40 has a byte-swapped IDE interface */ diff --git a/drivers/ide/legacy/qd65xx.c b/drivers/ide/legacy/qd65xx.c index 6424af154325..2338f344ea24 100644 --- a/drivers/ide/legacy/qd65xx.c +++ b/drivers/ide/legacy/qd65xx.c @@ -110,7 +110,7 @@ static void qd65xx_select(ide_drive_t *drive) static u8 qd6500_compute_timing (ide_hwif_t *hwif, int active_time, int recovery_time) { - int clk = ide_vlb_clk ? ide_vlb_clk : system_bus_clock(); + int clk = ide_vlb_clk ? ide_vlb_clk : 50; u8 act_cyc, rec_cyc; if (clk <= 33) { @@ -132,7 +132,7 @@ static u8 qd6500_compute_timing (ide_hwif_t *hwif, int active_time, int recovery static u8 qd6580_compute_timing (int active_time, int recovery_time) { - int clk = ide_vlb_clk ? ide_vlb_clk : system_bus_clock(); + int clk = ide_vlb_clk ? ide_vlb_clk : 50; u8 act_cyc, rec_cyc; act_cyc = 17 - IDE_IN(active_time * clk / 1000 + 1, 2, 17); @@ -207,6 +207,7 @@ static void qd6500_set_pio_mode(ide_drive_t *drive, const u8 pio) static void qd6580_set_pio_mode(ide_drive_t *drive, const u8 pio) { ide_hwif_t *hwif = drive->hwif; + struct ide_timing *t = ide_timing_find_mode(XFER_PIO_0 + pio); unsigned int cycle_time; int active_time = 175; int recovery_time = 415; /* worst case values from the dos driver */ @@ -236,7 +237,7 @@ static void qd6580_set_pio_mode(ide_drive_t *drive, const u8 pio) active_time = 110; recovery_time = cycle_time - 120; } else { - active_time = ide_pio_timings[pio].active_time; + active_time = t->active; recovery_time = cycle_time - active_time; } } @@ -281,17 +282,18 @@ static int __init qd_testreg(int port) return (readreg != QD_TESTVAL); } -static void __init qd6500_port_init_devs(ide_hwif_t *hwif) +static void __init qd6500_init_dev(ide_drive_t *drive) { + ide_hwif_t *hwif = drive->hwif; u8 base = (hwif->config_data & 0xff00) >> 8; u8 config = QD_CONFIG(hwif); - hwif->drives[0].drive_data = QD6500_DEF_DATA; - hwif->drives[1].drive_data = QD6500_DEF_DATA; + drive->drive_data = QD6500_DEF_DATA; } -static void __init qd6580_port_init_devs(ide_hwif_t *hwif) +static void __init qd6580_init_dev(ide_drive_t *drive) { + ide_hwif_t *hwif = drive->hwif; u16 t1, t2; u8 base = (hwif->config_data & 0xff00) >> 8; u8 config = QD_CONFIG(hwif); @@ -302,18 +304,17 @@ static void __init qd6580_port_init_devs(ide_hwif_t *hwif) } else t2 = t1 = hwif->channel ? QD6580_DEF_DATA2 : QD6580_DEF_DATA; - hwif->drives[0].drive_data = t1; - hwif->drives[1].drive_data = t2; + drive->drive_data = drive->select.b.unit ? t2 : t1; } static const struct ide_port_ops qd6500_port_ops = { - .port_init_devs = qd6500_port_init_devs, + .init_dev = qd6500_init_dev, .set_pio_mode = qd6500_set_pio_mode, .selectproc = qd65xx_select, }; static const struct ide_port_ops qd6580_port_ops = { - .port_init_devs = qd6580_port_init_devs, + .init_dev = qd6580_init_dev, .set_pio_mode = qd6580_set_pio_mode, .selectproc = qd65xx_select, }; diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c index 1a6c27b32498..48d57cae63c6 100644 --- a/drivers/ide/mips/au1xxx-ide.c +++ b/drivers/ide/mips/au1xxx-ide.c @@ -213,10 +213,8 @@ static int auide_build_dmatable(ide_drive_t *drive) { int i, iswrite, count = 0; ide_hwif_t *hwif = HWIF(drive); - struct request *rq = HWGROUP(drive)->rq; - - _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data; + _auide_hwif *ahwif = &auide_hwif; struct scatterlist *sg; iswrite = (rq_data_dir(rq) == WRITE); @@ -402,7 +400,7 @@ static const struct ide_dma_ops au1xxx_dma_ops = { static int auide_ddma_init(ide_hwif_t *hwif, const struct ide_port_info *d) { - _auide_hwif *auide = (_auide_hwif *)hwif->hwif_data; + _auide_hwif *auide = &auide_hwif; dbdev_tab_t source_dev_tab, target_dev_tab; u32 dev_id, tsize, devwidth, flags; @@ -463,7 +461,7 @@ static int auide_ddma_init(ide_hwif_t *hwif, const struct ide_port_info *d) #else static int auide_ddma_init(ide_hwif_t *hwif, const struct ide_port_info *d) { - _auide_hwif *auide = (_auide_hwif *)hwif->hwif_data; + _auide_hwif *auide = &auide_hwif; dbdev_tab_t source_dev_tab; int flags; @@ -600,8 +598,6 @@ static int au_ide_probe(struct device *dev) ide_init_port_hw(hwif, &hw); - hwif->dev = dev; - /* If the user has selected DDMA assisted copies, then set up a few local I/O function entry points */ @@ -610,11 +606,8 @@ static int au_ide_probe(struct device *dev) hwif->input_data = au1xxx_input_data; hwif->output_data = au1xxx_output_data; #endif - hwif->select_data = 0; /* no chipset-specific code */ - hwif->config_data = 0; /* no chipset-specific code */ auide_hwif.hwif = hwif; - hwif->hwif_data = &auide_hwif; idx[0] = hwif->index; diff --git a/drivers/ide/mips/swarm.c b/drivers/ide/mips/swarm.c index 52fee3d2771a..9f1212cc4aed 100644 --- a/drivers/ide/mips/swarm.c +++ b/drivers/ide/mips/swarm.c @@ -61,6 +61,11 @@ static struct resource swarm_ide_resource = { static struct platform_device *swarm_ide_dev; +static const struct ide_port_info swarm_port_info = { + .name = DRV_NAME, + .host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA, +}; + /* * swarm_ide_probe - if the board header indicates the existence of * Generic Bus IDE, allocate a HWIF for it. @@ -77,12 +82,6 @@ static int __devinit swarm_ide_probe(struct device *dev) if (!SIBYTE_HAVE_IDE) return -ENODEV; - hwif = ide_find_port(); - if (hwif == NULL) { - printk(KERN_ERR DRV_NAME ": no free slot for interface\n"); - return -ENOMEM; - } - base = ioremap(A_IO_EXT_BASE, 0x800); offset = __raw_readq(base + R_IO_EXT_REG(R_IO_EXT_START_ADDR, IDE_CS)); size = __raw_readq(base + R_IO_EXT_REG(R_IO_EXT_MULT_SIZE, IDE_CS)); @@ -109,10 +108,6 @@ static int __devinit swarm_ide_probe(struct device *dev) base = ioremap(offset, size); - /* Setup MMIO ops. */ - hwif->host_flags = IDE_HFLAG_MMIO; - default_hwif_mmiops(hwif); - for (i = 0; i <= 7; i++) hw.io_ports_array[i] = (unsigned long)(base + ((0x1f0 + i) << 5)); @@ -121,15 +116,26 @@ static int __devinit swarm_ide_probe(struct device *dev) hw.irq = K_INT_GB_IDE; hw.chipset = ide_generic; + hwif = ide_find_port_slot(&swarm_port_info); + if (hwif == NULL) + goto err; + ide_init_port_hw(hwif, &hw); + /* Setup MMIO ops. */ + default_hwif_mmiops(hwif); + idx[0] = hwif->index; - ide_device_add(idx, NULL); + ide_device_add(idx, &swarm_port_info); dev_set_drvdata(dev, hwif); return 0; +err: + release_resource(&swarm_ide_resource); + iounmap(base); + return -ENOMEM; } static struct device_driver swarm_ide_driver = { diff --git a/drivers/ide/pci/aec62xx.c b/drivers/ide/pci/aec62xx.c index 7f46c224b7c4..ae7a4329a581 100644 --- a/drivers/ide/pci/aec62xx.c +++ b/drivers/ide/pci/aec62xx.c @@ -140,7 +140,7 @@ static void aec_set_pio_mode(ide_drive_t *drive, const u8 pio) static unsigned int __devinit init_chipset_aec62xx(struct pci_dev *dev, const char *name) { - int bus_speed = ide_pci_clk ? ide_pci_clk : system_bus_clock(); + int bus_speed = ide_pci_clk ? ide_pci_clk : 33; if (bus_speed <= 33) pci_set_drvdata(dev, (void *) aec6xxx_33_base); diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c index f2129d5e07f2..80d19c0eb780 100644 --- a/drivers/ide/pci/alim15x3.c +++ b/drivers/ide/pci/alim15x3.c @@ -69,22 +69,20 @@ static void ali_set_pio_mode(ide_drive_t *drive, const u8 pio) { ide_hwif_t *hwif = HWIF(drive); struct pci_dev *dev = to_pci_dev(hwif->dev); - int s_time, a_time, c_time; + struct ide_timing *t = ide_timing_find_mode(XFER_PIO_0 + pio); + int s_time = t->setup, a_time = t->active, c_time = t->cycle; u8 s_clc, a_clc, r_clc; unsigned long flags; - int bus_speed = ide_pci_clk ? ide_pci_clk : system_bus_clock(); + int bus_speed = ide_pci_clk ? ide_pci_clk : 33; int port = hwif->channel ? 0x5c : 0x58; int portFIFO = hwif->channel ? 0x55 : 0x54; u8 cd_dma_fifo = 0; int unit = drive->select.b.unit & 1; - s_time = ide_pio_timings[pio].setup_time; - a_time = ide_pio_timings[pio].active_time; if ((s_clc = (s_time * bus_speed + 999) / 1000) >= 8) s_clc = 0; if ((a_clc = (a_time * bus_speed + 999) / 1000) >= 8) a_clc = 0; - c_time = ide_pio_timings[pio].cycle_time; if (!(r_clc = (c_time * bus_speed + 999) / 1000 - a_clc - s_clc)) { r_clc = 1; diff --git a/drivers/ide/pci/amd74xx.c b/drivers/ide/pci/amd74xx.c index efcf54338be7..0bfcdd0e77b3 100644 --- a/drivers/ide/pci/amd74xx.c +++ b/drivers/ide/pci/amd74xx.c @@ -21,8 +21,6 @@ #include <linux/init.h> #include <linux/ide.h> -#include "ide-timing.h" - enum { AMD_IDE_CONFIG = 0x41, AMD_CABLE_DETECT = 0x42, @@ -53,20 +51,20 @@ static void amd_set_speed(struct pci_dev *dev, u8 dn, u8 udma_mask, u8 t = 0, offset = amd_offset(dev); pci_read_config_byte(dev, AMD_ADDRESS_SETUP + offset, &t); - t = (t & ~(3 << ((3 - dn) << 1))) | ((FIT(timing->setup, 1, 4) - 1) << ((3 - dn) << 1)); + t = (t & ~(3 << ((3 - dn) << 1))) | ((clamp_val(timing->setup, 1, 4) - 1) << ((3 - dn) << 1)); pci_write_config_byte(dev, AMD_ADDRESS_SETUP + offset, t); pci_write_config_byte(dev, AMD_8BIT_TIMING + offset + (1 - (dn >> 1)), - ((FIT(timing->act8b, 1, 16) - 1) << 4) | (FIT(timing->rec8b, 1, 16) - 1)); + ((clamp_val(timing->act8b, 1, 16) - 1) << 4) | (clamp_val(timing->rec8b, 1, 16) - 1)); pci_write_config_byte(dev, AMD_DRIVE_TIMING + offset + (3 - dn), - ((FIT(timing->active, 1, 16) - 1) << 4) | (FIT(timing->recover, 1, 16) - 1)); + ((clamp_val(timing->active, 1, 16) - 1) << 4) | (clamp_val(timing->recover, 1, 16) - 1)); switch (udma_mask) { - case ATA_UDMA2: t = timing->udma ? (0xc0 | (FIT(timing->udma, 2, 5) - 2)) : 0x03; break; - case ATA_UDMA4: t = timing->udma ? (0xc0 | amd_cyc2udma[FIT(timing->udma, 2, 10)]) : 0x03; break; - case ATA_UDMA5: t = timing->udma ? (0xc0 | amd_cyc2udma[FIT(timing->udma, 1, 10)]) : 0x03; break; - case ATA_UDMA6: t = timing->udma ? (0xc0 | amd_cyc2udma[FIT(timing->udma, 1, 15)]) : 0x03; break; + case ATA_UDMA2: t = timing->udma ? (0xc0 | (clamp_val(timing->udma, 2, 5) - 2)) : 0x03; break; + case ATA_UDMA4: t = timing->udma ? (0xc0 | amd_cyc2udma[clamp_val(timing->udma, 2, 10)]) : 0x03; break; + case ATA_UDMA5: t = timing->udma ? (0xc0 | amd_cyc2udma[clamp_val(timing->udma, 1, 10)]) : 0x03; break; + case ATA_UDMA6: t = timing->udma ? (0xc0 | amd_cyc2udma[clamp_val(timing->udma, 1, 15)]) : 0x03; break; default: return; } @@ -179,7 +177,7 @@ static unsigned int __devinit init_chipset_amd74xx(struct pci_dev *dev, * Determine the system bus clock. */ - amd_clock = (ide_pci_clk ? ide_pci_clk : system_bus_clock()) * 1000; + amd_clock = (ide_pci_clk ? ide_pci_clk : 33) * 1000; switch (amd_clock) { case 33000: amd_clock = 33333; break; diff --git a/drivers/ide/pci/cmd640.c b/drivers/ide/pci/cmd640.c index aaf38109eaec..1ad1e23e3105 100644 --- a/drivers/ide/pci/cmd640.c +++ b/drivers/ide/pci/cmd640.c @@ -521,21 +521,23 @@ static void program_drive_counts(ide_drive_t *drive, unsigned int index) static void cmd640_set_mode(ide_drive_t *drive, unsigned int index, u8 pio_mode, unsigned int cycle_time) { + struct ide_timing *t; int setup_time, active_time, recovery_time, clock_time; u8 setup_count, active_count, recovery_count, recovery_count2, cycle_count; int bus_speed; - if (cmd640_vlb && ide_vlb_clk) - bus_speed = ide_vlb_clk; - else if (!cmd640_vlb && ide_pci_clk) - bus_speed = ide_pci_clk; + if (cmd640_vlb) + bus_speed = ide_vlb_clk ? ide_vlb_clk : 50; else - bus_speed = system_bus_clock(); + bus_speed = ide_pci_clk ? ide_pci_clk : 33; if (pio_mode > 5) pio_mode = 5; - setup_time = ide_pio_timings[pio_mode].setup_time; - active_time = ide_pio_timings[pio_mode].active_time; + + t = ide_timing_find_mode(XFER_PIO_0 + pio_mode); + setup_time = t->setup; + active_time = t->active; + recovery_time = cycle_time - (setup_time + active_time); clock_time = 1000 / bus_speed; cycle_count = DIV_ROUND_UP(cycle_time, clock_time); @@ -609,11 +611,40 @@ static void cmd640_set_pio_mode(ide_drive_t *drive, const u8 pio) display_clocks(index); } +#endif /* CONFIG_BLK_DEV_CMD640_ENHANCED */ + +static void cmd640_init_dev(ide_drive_t *drive) +{ + unsigned int i = drive->hwif->channel * 2 + drive->select.b.unit; + +#ifdef CONFIG_BLK_DEV_CMD640_ENHANCED + /* + * Reset timing to the slowest speed and turn off prefetch. + * This way, the drive identify code has a better chance. + */ + setup_counts[i] = 4; /* max possible */ + active_counts[i] = 16; /* max possible */ + recovery_counts[i] = 16; /* max possible */ + program_drive_counts(drive, i); + set_prefetch_mode(drive, i, 0); + printk(KERN_INFO DRV_NAME ": drive%d timings/prefetch cleared\n", i); +#else + /* + * Set the drive unmask flags to match the prefetch setting. + */ + check_prefetch(drive, i); + printk(KERN_INFO DRV_NAME ": drive%d timings/prefetch(%s) preserved\n", + i, drive->no_io_32bit ? "off" : "on"); +#endif /* CONFIG_BLK_DEV_CMD640_ENHANCED */ +} + static const struct ide_port_ops cmd640_port_ops = { + .init_dev = cmd640_init_dev, +#ifdef CONFIG_BLK_DEV_CMD640_ENHANCED .set_pio_mode = cmd640_set_pio_mode, +#endif }; -#endif /* CONFIG_BLK_DEV_CMD640_ENHANCED */ static int pci_conf1(void) { @@ -656,10 +687,8 @@ static const struct ide_port_info cmd640_port_info __initdata = { IDE_HFLAG_NO_DMA | IDE_HFLAG_ABUSE_PREFETCH | IDE_HFLAG_ABUSE_FAST_DEVSEL, -#ifdef CONFIG_BLK_DEV_CMD640_ENHANCED .port_ops = &cmd640_port_ops, .pio_mask = ATA_PIO5, -#endif }; static int cmd640x_init_one(unsigned long base, unsigned long ctl) @@ -685,12 +714,8 @@ static int cmd640x_init_one(unsigned long base, unsigned long ctl) */ static int __init cmd640x_init(void) { -#ifdef CONFIG_BLK_DEV_CMD640_ENHANCED - int second_port_toggled = 0; -#endif /* CONFIG_BLK_DEV_CMD640_ENHANCED */ int second_port_cmd640 = 0, rc; const char *bus_type, *port2; - unsigned int index; u8 b, cfr; u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; hw_regs_t hw[2]; @@ -747,9 +772,11 @@ static int __init cmd640x_init(void) ide_std_init_ports(&hw[0], 0x1f0, 0x3f6); hw[0].irq = 14; + hw[0].chipset = ide_cmd640; ide_std_init_ports(&hw[1], 0x170, 0x376); hw[1].irq = 15; + hw[1].chipset = ide_cmd640; printk(KERN_INFO "cmd640: buggy cmd640%c interface on %s, config=0x%02x" "\n", 'a' + cmd640_chip_version - 1, bus_type, cfr); @@ -774,88 +801,44 @@ static int __init cmd640x_init(void) put_cmd640_reg(CMDTIM, 0); put_cmd640_reg(BRST, 0x40); - cmd_hwif1 = ide_find_port(); + b = get_cmd640_reg(CNTRL); /* * Try to enable the secondary interface, if not already enabled */ - if (cmd_hwif1 && - cmd_hwif1->drives[0].noprobe && cmd_hwif1->drives[1].noprobe) { - port2 = "not probed"; + if (secondary_port_responding()) { + if ((b & CNTRL_ENA_2ND)) { + second_port_cmd640 = 1; + port2 = "okay"; + } else if (cmd640_vlb) { + second_port_cmd640 = 1; + port2 = "alive"; + } else + port2 = "not cmd640"; } else { - b = get_cmd640_reg(CNTRL); + put_cmd640_reg(CNTRL, b ^ CNTRL_ENA_2ND); /* toggle the bit */ if (secondary_port_responding()) { - if ((b & CNTRL_ENA_2ND)) { - second_port_cmd640 = 1; - port2 = "okay"; - } else if (cmd640_vlb) { - second_port_cmd640 = 1; - port2 = "alive"; - } else - port2 = "not cmd640"; + second_port_cmd640 = 1; + port2 = "enabled"; } else { - put_cmd640_reg(CNTRL, b ^ CNTRL_ENA_2ND); /* toggle the bit */ - if (secondary_port_responding()) { - second_port_cmd640 = 1; -#ifdef CONFIG_BLK_DEV_CMD640_ENHANCED - second_port_toggled = 1; -#endif /* CONFIG_BLK_DEV_CMD640_ENHANCED */ - port2 = "enabled"; - } else { - put_cmd640_reg(CNTRL, b); /* restore original setting */ - port2 = "not responding"; - } + put_cmd640_reg(CNTRL, b); /* restore original setting */ + port2 = "not responding"; } } /* * Initialize data for secondary cmd640 port, if enabled */ - if (second_port_cmd640 && cmd_hwif1) { - ide_init_port_hw(cmd_hwif1, &hw[1]); - idx[1] = cmd_hwif1->index; + if (second_port_cmd640) { + cmd_hwif1 = ide_find_port(); + if (cmd_hwif1) { + ide_init_port_hw(cmd_hwif1, &hw[1]); + idx[1] = cmd_hwif1->index; + } } printk(KERN_INFO "cmd640: %sserialized, secondary interface %s\n", second_port_cmd640 ? "" : "not ", port2); - /* - * Establish initial timings/prefetch for all drives. - * Do not unnecessarily disturb any prior BIOS setup of these. - */ - for (index = 0; index < (2 + (second_port_cmd640 << 1)); index++) { - ide_drive_t *drive; - - if (index > 1) { - if (cmd_hwif1 == NULL) - continue; - drive = &cmd_hwif1->drives[index & 1]; - } else { - if (cmd_hwif0 == NULL) - continue; - drive = &cmd_hwif0->drives[index & 1]; - } - -#ifdef CONFIG_BLK_DEV_CMD640_ENHANCED - /* - * Reset timing to the slowest speed and turn off prefetch. - * This way, the drive identify code has a better chance. - */ - setup_counts [index] = 4; /* max possible */ - active_counts [index] = 16; /* max possible */ - recovery_counts [index] = 16; /* max possible */ - program_drive_counts(drive, index); - set_prefetch_mode(drive, index, 0); - printk("cmd640: drive%d timings/prefetch cleared\n", index); -#else - /* - * Set the drive unmask flags to match the prefetch setting - */ - check_prefetch(drive, index); - printk("cmd640: drive%d timings/prefetch(%s) preserved\n", - index, drive->no_io_32bit ? "off" : "on"); -#endif /* CONFIG_BLK_DEV_CMD640_ENHANCED */ - } - #ifdef CMD640_DUMP_REGS cmd640_dump_regs(); #endif diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c index 08674711d089..cfa784bacf48 100644 --- a/drivers/ide/pci/cmd64x.c +++ b/drivers/ide/pci/cmd64x.c @@ -69,7 +69,7 @@ static u8 quantize_timing(int timing, int quant) static void program_cycle_times (ide_drive_t *drive, int cycle_time, int active_time) { struct pci_dev *dev = to_pci_dev(drive->hwif->dev); - int clock_time = 1000 / (ide_pci_clk ? ide_pci_clk : system_bus_clock()); + int clock_time = 1000 / (ide_pci_clk ? ide_pci_clk : 33); u8 cycle_count, active_count, recovery_count, drwtim; static const u8 recovery_values[] = {15, 15, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 0}; @@ -116,6 +116,7 @@ static void cmd64x_tune_pio(ide_drive_t *drive, const u8 pio) { ide_hwif_t *hwif = HWIF(drive); struct pci_dev *dev = to_pci_dev(hwif->dev); + struct ide_timing *t = ide_timing_find_mode(XFER_PIO_0 + pio); unsigned int cycle_time; u8 setup_count, arttim = 0; @@ -124,11 +125,10 @@ static void cmd64x_tune_pio(ide_drive_t *drive, const u8 pio) cycle_time = ide_pio_cycle_time(drive, pio); - program_cycle_times(drive, cycle_time, - ide_pio_timings[pio].active_time); + program_cycle_times(drive, cycle_time, t->active); - setup_count = quantize_timing(ide_pio_timings[pio].setup_time, - 1000 / (ide_pci_clk ? ide_pci_clk : system_bus_clock())); + setup_count = quantize_timing(t->setup, + 1000 / (ide_pci_clk ? ide_pci_clk : 33)); /* * The primary channel has individual address setup timing registers diff --git a/drivers/ide/pci/cs5535.c b/drivers/ide/pci/cs5535.c index 99fe91a191b8..dc97c48623f3 100644 --- a/drivers/ide/pci/cs5535.c +++ b/drivers/ide/pci/cs5535.c @@ -26,8 +26,6 @@ #include <linux/pci.h> #include <linux/ide.h> -#include "ide-timing.h" - #define MSR_ATAC_BASE 0x51300000 #define ATAC_GLD_MSR_CAP (MSR_ATAC_BASE+0) #define ATAC_GLD_MSR_CONFIG (MSR_ATAC_BASE+0x01) @@ -75,13 +73,11 @@ static unsigned int cs5535_udma_timings[5] = */ static void cs5535_set_speed(ide_drive_t *drive, const u8 speed) { - u32 reg = 0, dummy; int unit = drive->select.b.unit; - /* Set the PIO timings */ - if ((speed & XFER_MODE) == XFER_PIO) { + if (speed < XFER_SW_DMA_0) { ide_drive_t *pair = ide_get_paired_drive(drive); u8 cmd, pioa; diff --git a/drivers/ide/pci/cy82c693.c b/drivers/ide/pci/cy82c693.c index 77cc22c2ad45..e14ad5530fa4 100644 --- a/drivers/ide/pci/cy82c693.c +++ b/drivers/ide/pci/cy82c693.c @@ -133,23 +133,22 @@ static int calc_clk(int time, int bus_speed) */ static void compute_clocks(u8 pio, pio_clocks_t *p_pclk) { + struct ide_timing *t = ide_timing_find_mode(XFER_PIO_0 + pio); int clk1, clk2; - int bus_speed = ide_pci_clk ? ide_pci_clk : system_bus_clock(); + int bus_speed = ide_pci_clk ? ide_pci_clk : 33; /* we don't check against CY82C693's min and max speed, * so you can play with the idebus=xx parameter */ /* let's calc the address setup time clocks */ - p_pclk->address_time = (u8)calc_clk(ide_pio_timings[pio].setup_time, bus_speed); + p_pclk->address_time = (u8)calc_clk(t->setup, bus_speed); /* let's calc the active and recovery time clocks */ - clk1 = calc_clk(ide_pio_timings[pio].active_time, bus_speed); + clk1 = calc_clk(t->active, bus_speed); /* calc recovery timing */ - clk2 = ide_pio_timings[pio].cycle_time - - ide_pio_timings[pio].active_time - - ide_pio_timings[pio].setup_time; + clk2 = t->cycle - t->active - t->setup; clk2 = calc_clk(clk2, bus_speed); diff --git a/drivers/ide/pci/delkin_cb.c b/drivers/ide/pci/delkin_cb.c index b9e457996d0e..0106e2a2df77 100644 --- a/drivers/ide/pci/delkin_cb.c +++ b/drivers/ide/pci/delkin_cb.c @@ -47,13 +47,18 @@ static const struct ide_port_ops delkin_cb_port_ops = { .quirkproc = ide_undecoded_slave, }; +static const struct ide_port_info delkin_cb_port_info = { + .port_ops = &delkin_cb_port_ops, + .host_flags = IDE_HFLAG_IO_32BIT | IDE_HFLAG_UNMASK_IRQS | + IDE_HFLAG_NO_DMA, +}; + static int __devinit delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id) { unsigned long base; hw_regs_t hw; ide_hwif_t *hwif = NULL; - ide_drive_t *drive; int i, rc; u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; @@ -79,6 +84,7 @@ delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id) memset(&hw, 0, sizeof(hw)); ide_std_init_ports(&hw, base + 0x10, base + 0x1e); hw.irq = dev->irq; + hw.dev = &dev->dev; hw.chipset = ide_pci; /* this enables IRQ sharing */ hwif = ide_find_port(); @@ -87,28 +93,17 @@ delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id) i = hwif->index; - ide_init_port_data(hwif, i); ide_init_port_hw(hwif, &hw); - hwif->port_ops = &delkin_cb_port_ops; idx[0] = i; - ide_device_add(idx, NULL); - - if (!hwif->present) - goto out_disable; + ide_device_add(idx, &delkin_cb_port_info); pci_set_drvdata(dev, hwif); - hwif->dev = &dev->dev; - drive = &hwif->drives[0]; - if (drive->present) { - drive->io_32bit = 1; - drive->unmask = 1; - } + return 0; out_disable: - printk(KERN_ERR "delkin_cb: no IDE devices found\n"); pci_release_regions(dev); pci_disable_device(dev); return -ENODEV; @@ -139,14 +134,12 @@ static struct pci_driver driver = { .remove = delkin_cb_remove, }; -static int -delkin_cb_init (void) +static int __init delkin_cb_init(void) { return pci_register_driver(&driver); } -static void -delkin_cb_exit (void) +static void __exit delkin_cb_exit(void) { pci_unregister_driver(&driver); } diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c index c929dadaaaff..397c6cbe953c 100644 --- a/drivers/ide/pci/hpt366.c +++ b/drivers/ide/pci/hpt366.c @@ -759,8 +759,7 @@ static void hpt3xx_maskproc(ide_drive_t *drive, int mask) enable_irq (hwif->irq); } } else - outb(mask ? (drive->ctl | 2) : (drive->ctl & ~2), - hwif->io_ports.ctl_addr); + outb(ATA_DEVCTL_OBS | (mask ? 2 : 0), hwif->io_ports.ctl_addr); } /* diff --git a/drivers/ide/pci/it8213.c b/drivers/ide/pci/it8213.c index 9053c8771e6e..2b71bdf74e73 100644 --- a/drivers/ide/pci/it8213.c +++ b/drivers/ide/pci/it8213.c @@ -184,8 +184,7 @@ static const struct ide_port_info it8213_chipsets[] __devinitdata = { static int __devinit it8213_init_one(struct pci_dev *dev, const struct pci_device_id *id) { - ide_setup_pci_device(dev, &it8213_chipsets[id->driver_data]); - return 0; + return ide_setup_pci_device(dev, &it8213_chipsets[id->driver_data]); } static const struct pci_device_id it8213_pci_tbl[] = { diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c index 6ab04115286b..cbf647202994 100644 --- a/drivers/ide/pci/it821x.c +++ b/drivers/ide/pci/it821x.c @@ -512,8 +512,14 @@ static void __devinit it821x_quirkproc(ide_drive_t *drive) } static struct ide_dma_ops it821x_pass_through_dma_ops = { + .dma_host_set = ide_dma_host_set, + .dma_setup = ide_dma_setup, + .dma_exec_cmd = ide_dma_exec_cmd, .dma_start = it821x_dma_start, .dma_end = it821x_dma_end, + .dma_test_irq = ide_dma_test_irq, + .dma_timeout = ide_dma_timeout, + .dma_lost_irq = ide_dma_lost_irq, }; /** diff --git a/drivers/ide/pci/ns87415.c b/drivers/ide/pci/ns87415.c index fec4955f449b..45ba71a7182f 100644 --- a/drivers/ide/pci/ns87415.c +++ b/drivers/ide/pci/ns87415.c @@ -76,7 +76,7 @@ static void superio_tf_read(ide_drive_t *drive, ide_task_t *task) } /* be sure we're looking at the low order bits */ - outb(drive->ctl & ~0x80, io_ports->ctl_addr); + outb(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr); if (task->tf_flags & IDE_TFLAG_IN_NSECT) tf->nsect = inb(io_ports->nsect_addr); @@ -90,7 +90,7 @@ static void superio_tf_read(ide_drive_t *drive, ide_task_t *task) tf->device = superio_ide_inb(io_ports->device_addr); if (task->tf_flags & IDE_TFLAG_LBA48) { - outb(drive->ctl | 0x80, io_ports->ctl_addr); + outb(ATA_DEVCTL_OBS | 0x80, io_ports->ctl_addr); if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE) tf->hob_feature = inb(io_ports->feature_addr); @@ -225,10 +225,6 @@ static int ns87415_dma_setup(ide_drive_t *drive) return 1; } -#ifndef ide_default_irq -#define ide_default_irq(irq) 0 -#endif - static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif) { struct pci_dev *dev = to_pci_dev(hwif->dev); @@ -288,7 +284,7 @@ static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif) } if (!using_inta) - hwif->irq = ide_default_irq(hwif->io_ports.data_addr); + hwif->irq = __ide_default_irq(hwif->io_ports.data_addr); else if (!hwif->irq && hwif->mate && hwif->mate->irq) hwif->irq = hwif->mate->irq; /* share IRQ with mate */ diff --git a/drivers/ide/pci/opti621.c b/drivers/ide/pci/opti621.c index 6e99080497bf..725c80508d90 100644 --- a/drivers/ide/pci/opti621.c +++ b/drivers/ide/pci/opti621.c @@ -81,8 +81,6 @@ * 0.5 doesn't work. */ -#define OPTI621_DEBUG /* define for debug messages */ - #include <linux/types.h> #include <linux/module.h> #include <linux/kernel.h> @@ -92,28 +90,6 @@ #include <asm/io.h> -//#define OPTI621_MAX_PIO 3 -/* In fact, I do not have any PIO 4 drive - * (address: 25 ns, data: 70 ns, recovery: 35 ns), - * but OPTi 82C621 is programmable and it can do (minimal values): - * on 40MHz PCI bus (pulse 25 ns): - * address: 25 ns, data: 25 ns, recovery: 50 ns; - * on 20MHz PCI bus (pulse 50 ns): - * address: 50 ns, data: 50 ns, recovery: 100 ns. - */ - -/* #define READ_PREFETCH 0 */ -/* Uncomment for disable read prefetch. - * There is some readprefetch capatibility in hdparm, - * but when I type hdparm -P 1 /dev/hda, I got errors - * and till reset drive is inaccessible. - * This (hw) read prefetch is safe on my drive. - */ - -#ifndef READ_PREFETCH -#define READ_PREFETCH 0x40 /* read prefetch is enabled */ -#endif /* else read prefetch is disabled */ - #define READ_REG 0 /* index of Read cycle timing register */ #define WRITE_REG 1 /* index of Write cycle timing register */ #define CNTRL_REG 3 /* index of Control register */ @@ -122,51 +98,8 @@ static int reg_base; -#define PIO_NOT_EXIST 254 -#define PIO_DONT_KNOW 255 - static DEFINE_SPINLOCK(opti621_lock); -/* there are stored pio numbers from other calls of opti621_set_pio_mode */ -static void compute_pios(ide_drive_t *drive, const u8 pio) -/* Store values into drive->drive_data - * second_contr - 0 for primary controller, 1 for secondary - * slave_drive - 0 -> pio is for master, 1 -> pio is for slave - * pio - PIO mode for selected drive (for other we don't know) - */ -{ - int d; - ide_hwif_t *hwif = HWIF(drive); - - drive->drive_data = pio; - - for (d = 0; d < 2; ++d) { - drive = &hwif->drives[d]; - if (drive->present) { - if (drive->drive_data == PIO_DONT_KNOW) - drive->drive_data = ide_get_best_pio_mode(drive, 255, 3); -#ifdef OPTI621_DEBUG - printk("%s: Selected PIO mode %d\n", - drive->name, drive->drive_data); -#endif - } else { - drive->drive_data = PIO_NOT_EXIST; - } - } -} - -static int cmpt_clk(int time, int bus_speed) -/* Returns (rounded up) time in clocks for time in ns, - * with bus_speed in MHz. - * Example: bus_speed = 40 MHz, time = 80 ns - * 1000/40 = 25 ns (clk value), - * 80/25 = 3.2, rounded up to 4 (I hope ;-)). - * Use idebus=xx to select right frequency. - */ -{ - return ((time*bus_speed+999)/1000); -} - /* Write value to register reg, base of register * is at reg_base (0x1f0 primary, 0x170 secondary, * if not changed by PCI configuration). @@ -199,83 +132,29 @@ static u8 read_reg(int reg) return ret; } -typedef struct pio_clocks_s { - int address_time; /* Address setup (clocks) */ - int data_time; /* Active/data pulse (clocks) */ - int recovery_time; /* Recovery time (clocks) */ -} pio_clocks_t; - -static void compute_clocks(int pio, pio_clocks_t *clks) -{ - if (pio != PIO_NOT_EXIST) { - int adr_setup, data_pls; - int bus_speed = ide_pci_clk ? ide_pci_clk : system_bus_clock(); - - adr_setup = ide_pio_timings[pio].setup_time; - data_pls = ide_pio_timings[pio].active_time; - clks->address_time = cmpt_clk(adr_setup, bus_speed); - clks->data_time = cmpt_clk(data_pls, bus_speed); - clks->recovery_time = cmpt_clk(ide_pio_timings[pio].cycle_time - - adr_setup-data_pls, bus_speed); - if (clks->address_time < 1) - clks->address_time = 1; - if (clks->address_time > 4) - clks->address_time = 4; - if (clks->data_time < 1) - clks->data_time = 1; - if (clks->data_time > 16) - clks->data_time = 16; - if (clks->recovery_time < 2) - clks->recovery_time = 2; - if (clks->recovery_time > 17) - clks->recovery_time = 17; - } else { - clks->address_time = 1; - clks->data_time = 1; - clks->recovery_time = 2; - /* minimal values */ - } -} - static void opti621_set_pio_mode(ide_drive_t *drive, const u8 pio) { - /* primary and secondary drives share some registers, - * so we have to program both drives - */ + ide_hwif_t *hwif = drive->hwif; + ide_drive_t *pair = ide_get_paired_drive(drive); unsigned long flags; - u8 pio1 = 0, pio2 = 0; - pio_clocks_t first, second; - int ax, drdy; - u8 cycle1, cycle2, misc; - ide_hwif_t *hwif = HWIF(drive); - - /* sets drive->drive_data for both drives */ - compute_pios(drive, pio); - pio1 = hwif->drives[0].drive_data; - pio2 = hwif->drives[1].drive_data; - - compute_clocks(pio1, &first); - compute_clocks(pio2, &second); - - /* ax = max(a1,a2) */ - ax = (first.address_time < second.address_time) ? second.address_time : first.address_time; - - drdy = 2; /* DRDY is default 2 (by OPTi Databook) */ - - cycle1 = ((first.data_time-1)<<4) | (first.recovery_time-2); - cycle2 = ((second.data_time-1)<<4) | (second.recovery_time-2); - misc = READ_PREFETCH | ((ax-1)<<4) | ((drdy-2)<<1); - -#ifdef OPTI621_DEBUG - printk("%s: master: address: %d, data: %d, " - "recovery: %d, drdy: %d [clk]\n", - hwif->name, ax, first.data_time, - first.recovery_time, drdy); - printk("%s: slave: address: %d, data: %d, " - "recovery: %d, drdy: %d [clk]\n", - hwif->name, ax, second.data_time, - second.recovery_time, drdy); -#endif + u8 tim, misc, addr_pio = pio, clk; + + /* DRDY is default 2 (by OPTi Databook) */ + static const u8 addr_timings[2][5] = { + { 0x20, 0x10, 0x00, 0x00, 0x00 }, /* 33 MHz */ + { 0x10, 0x10, 0x00, 0x00, 0x00 }, /* 25 MHz */ + }; + static const u8 data_rec_timings[2][5] = { + { 0x5b, 0x45, 0x32, 0x21, 0x20 }, /* 33 MHz */ + { 0x48, 0x34, 0x21, 0x10, 0x10 } /* 25 MHz */ + }; + + drive->drive_data = XFER_PIO_0 + pio; + + if (pair->present) { + if (pair->drive_data && pair->drive_data < drive->drive_data) + addr_pio = pair->drive_data - XFER_PIO_0; + } spin_lock_irqsave(&opti621_lock, flags); @@ -289,24 +168,21 @@ static void opti621_set_pio_mode(ide_drive_t *drive, const u8 pio) (void)inb(reg_base + CNTRL_REG); /* if reads 0xc0, no interface exist? */ read_reg(CNTRL_REG); - /* read version, probably 0 */ - read_reg(STRAP_REG); - /* program primary drive */ - /* select Index-0 for Register-A */ - write_reg(0, MISC_REG); - /* set read cycle timings */ - write_reg(cycle1, READ_REG); - /* set write cycle timings */ - write_reg(cycle1, WRITE_REG); + /* check CLK speed */ + clk = read_reg(STRAP_REG) & 1; + + printk(KERN_INFO "%s: CLK = %d MHz\n", hwif->name, clk ? 25 : 33); - /* program secondary drive */ - /* select Index-1 for Register-B */ - write_reg(1, MISC_REG); + tim = data_rec_timings[clk][pio]; + misc = addr_timings[clk][addr_pio]; + + /* select Index-0/1 for Register-A/B */ + write_reg(drive->select.b.unit, MISC_REG); /* set read cycle timings */ - write_reg(cycle2, READ_REG); + write_reg(tim, READ_REG); /* set write cycle timings */ - write_reg(cycle2, WRITE_REG); + write_reg(tim, WRITE_REG); /* use Register-A for drive 0 */ /* use Register-B for drive 1 */ @@ -319,45 +195,26 @@ static void opti621_set_pio_mode(ide_drive_t *drive, const u8 pio) spin_unlock_irqrestore(&opti621_lock, flags); } -static void __devinit opti621_port_init_devs(ide_hwif_t *hwif) -{ - hwif->drives[0].drive_data = PIO_DONT_KNOW; - hwif->drives[1].drive_data = PIO_DONT_KNOW; -} - static const struct ide_port_ops opti621_port_ops = { - .port_init_devs = opti621_port_init_devs, .set_pio_mode = opti621_set_pio_mode, }; -static const struct ide_port_info opti621_chipsets[] __devinitdata = { - { /* 0 */ - .name = "OPTI621", - .enablebits = { {0x45, 0x80, 0x00}, {0x40, 0x08, 0x00} }, - .port_ops = &opti621_port_ops, - .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA, - .pio_mask = ATA_PIO3, - .swdma_mask = ATA_SWDMA2, - .mwdma_mask = ATA_MWDMA2, - }, { /* 1 */ - .name = "OPTI621X", - .enablebits = { {0x45, 0x80, 0x00}, {0x40, 0x08, 0x00} }, - .port_ops = &opti621_port_ops, - .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA, - .pio_mask = ATA_PIO3, - .swdma_mask = ATA_SWDMA2, - .mwdma_mask = ATA_MWDMA2, - } +static const struct ide_port_info opti621_chipset __devinitdata = { + .name = "OPTI621/X", + .enablebits = { {0x45, 0x80, 0x00}, {0x40, 0x08, 0x00} }, + .port_ops = &opti621_port_ops, + .host_flags = IDE_HFLAG_NO_DMA, + .pio_mask = ATA_PIO4, }; static int __devinit opti621_init_one(struct pci_dev *dev, const struct pci_device_id *id) { - return ide_setup_pci_device(dev, &opti621_chipsets[id->driver_data]); + return ide_setup_pci_device(dev, &opti621_chipset); } static const struct pci_device_id opti621_pci_tbl[] = { { PCI_VDEVICE(OPTI, PCI_DEVICE_ID_OPTI_82C621), 0 }, - { PCI_VDEVICE(OPTI, PCI_DEVICE_ID_OPTI_82C825), 1 }, + { PCI_VDEVICE(OPTI, PCI_DEVICE_ID_OPTI_82C825), 0 }, { 0, }, }; MODULE_DEVICE_TABLE(pci, opti621_pci_tbl); diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c index 910fb00deb71..789c66dfbde5 100644 --- a/drivers/ide/pci/scc_pata.c +++ b/drivers/ide/pci/scc_pata.c @@ -148,11 +148,8 @@ static void scc_ide_outb(u8 addr, unsigned long port) out_be32((void*)port, addr); } -static void -scc_ide_outbsync(ide_drive_t * drive, u8 addr, unsigned long port) +static void scc_ide_outbsync(ide_hwif_t *hwif, u8 addr, unsigned long port) { - ide_hwif_t *hwif = HWIF(drive); - out_be32((void*)port, addr); eieio(); in_be32((void*)(hwif->dma_base + 0x01c)); @@ -561,12 +558,9 @@ static int scc_ide_setup_pci_device(struct pci_dev *dev, u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; int i; - hwif = ide_find_port(); - if (hwif == NULL) { - printk(KERN_ERR "%s: too many IDE interfaces, " - "no room in table\n", SCC_PATA_NAME); + hwif = ide_find_port_slot(d); + if (hwif == NULL) return -ENOMEM; - } memset(&hw, 0, sizeof(hw)); for (i = 0; i <= 8; i++) @@ -575,7 +569,6 @@ static int scc_ide_setup_pci_device(struct pci_dev *dev, hw.dev = &dev->dev; hw.chipset = ide_pci; ide_init_port_hw(hwif, &hw); - hwif->dev = &dev->dev; idx[0] = hwif->index; @@ -662,8 +655,6 @@ static void scc_tf_load(ide_drive_t *drive, ide_task_t *task) if (task->tf_flags & IDE_TFLAG_FLAGGED) HIHI = 0xFF; - ide_set_irq(drive, 1); - if (task->tf_flags & IDE_TFLAG_OUT_DATA) out_be32((void *)io_ports->data_addr, (tf->hob_data << 8) | tf->data); @@ -708,7 +699,7 @@ static void scc_tf_read(ide_drive_t *drive, ide_task_t *task) } /* be sure we're looking at the low order bits */ - scc_ide_outb(drive->ctl & ~0x80, io_ports->ctl_addr); + scc_ide_outb(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr); if (task->tf_flags & IDE_TFLAG_IN_NSECT) tf->nsect = scc_ide_inb(io_ports->nsect_addr); @@ -722,7 +713,7 @@ static void scc_tf_read(ide_drive_t *drive, ide_task_t *task) tf->device = scc_ide_inb(io_ports->device_addr); if (task->tf_flags & IDE_TFLAG_LBA48) { - scc_ide_outb(drive->ctl | 0x80, io_ports->ctl_addr); + scc_ide_outb(ATA_DEVCTL_OBS | 0x80, io_ports->ctl_addr); if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE) tf->hob_feature = scc_ide_inb(io_ports->feature_addr); @@ -795,7 +786,6 @@ static void __devinit init_mmio_iops_scc(ide_hwif_t *hwif) hwif->dma_base = dma_base; hwif->config_data = ports->ctl; - hwif->mmio = 1; } /** diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c index 16a0bce17d69..c79ff5b41088 100644 --- a/drivers/ide/pci/sgiioc4.c +++ b/drivers/ide/pci/sgiioc4.c @@ -111,7 +111,7 @@ sgiioc4_init_hwif_ports(hw_regs_t * hw, unsigned long data_port, static void sgiioc4_maskproc(ide_drive_t * drive, int mask) { - writeb(mask ? (drive->ctl | 2) : (drive->ctl & ~2), + writeb(ATA_DEVCTL_OBS | (mask ? 2 : 0), (void __iomem *)drive->hwif->io_ports.ctl_addr); } @@ -369,8 +369,7 @@ ide_dma_sgiioc4(ide_hwif_t *hwif, const struct ide_port_info *d) hwif->sg_max_nents = IOC4_PRD_ENTRIES; pad = pci_alloc_consistent(dev, IOC4_IDE_CACHELINE_SIZE, - (dma_addr_t *) &(hwif->dma_status)); - + (dma_addr_t *)&hwif->extra_base); if (pad) { ide_set_hwifdata(hwif, pad); return 0; @@ -439,7 +438,7 @@ sgiioc4_configure_for_dma(int dma_direction, ide_drive_t * drive) /* Address of the Ending DMA */ memset(ide_get_hwifdata(hwif), 0, IOC4_IDE_CACHELINE_SIZE); - ending_dma_addr = cpu_to_le32(hwif->dma_status); + ending_dma_addr = cpu_to_le32(hwif->extra_base); writel(ending_dma_addr, (void __iomem *)(dma_base + IOC4_DMA_END_ADDR * 4)); writel(dma_direction, (void __iomem *)ioc4_dma_addr); @@ -569,6 +568,7 @@ static const struct ide_dma_ops sgiioc4_dma_ops = { }; static const struct ide_port_info sgiioc4_port_info __devinitdata = { + .name = DRV_NAME, .chipset = ide_pci, .init_dma = ide_dma_sgiioc4, .port_ops = &sgiioc4_port_ops, @@ -588,13 +588,6 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev) hw_regs_t hw; struct ide_port_info d = sgiioc4_port_info; - hwif = ide_find_port(); - if (hwif == NULL) { - printk(KERN_ERR "%s: too many IDE interfaces, no room in table\n", - DRV_NAME); - return -ENOMEM; - } - /* Get the CmdBlk and CtrlBlk Base Registers */ bar0 = pci_resource_start(dev, 0); virt_base = ioremap(bar0, pci_resource_len(dev, 0)); @@ -609,11 +602,11 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev) cmd_phys_base = bar0 + IOC4_CMD_OFFSET; if (!request_mem_region(cmd_phys_base, IOC4_CMD_CTL_BLK_SIZE, - hwif->name)) { + DRV_NAME)) { printk(KERN_ERR "%s : %s -- ERROR, Addresses " "0x%p to 0x%p ALREADY in use\n", - __func__, hwif->name, (void *) cmd_phys_base, + __func__, DRV_NAME, (void *) cmd_phys_base, (void *) cmd_phys_base + IOC4_CMD_CTL_BLK_SIZE); return -ENOMEM; } @@ -624,9 +617,12 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev) hw.irq = dev->irq; hw.chipset = ide_pci; hw.dev = &dev->dev; - ide_init_port_hw(hwif, &hw); - hwif->dev = &dev->dev; + hwif = ide_find_port_slot(&d); + if (hwif == NULL) + goto err; + + ide_init_port_hw(hwif, &hw); /* The IOC4 uses MMIO rather than Port IO. */ default_hwif_mmiops(hwif); @@ -642,6 +638,10 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev) return -EIO; return 0; +err: + release_mem_region(cmd_phys_base, IOC4_CMD_CTL_BLK_SIZE); + iounmap(virt_base); + return -ENOMEM; } static unsigned int __devinit diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c index 0006b9e58567..6e9d7655d89c 100644 --- a/drivers/ide/pci/siimage.c +++ b/drivers/ide/pci/siimage.c @@ -94,7 +94,7 @@ static unsigned long siimage_selreg(ide_hwif_t *hwif, int r) unsigned long base = (unsigned long)hwif->hwif_data; base += 0xA0 + r; - if (hwif->mmio) + if (hwif->host_flags & IDE_HFLAG_MMIO) base += hwif->channel << 6; else base += hwif->channel << 4; @@ -117,7 +117,7 @@ static inline unsigned long siimage_seldev(ide_drive_t *drive, int r) unsigned long base = (unsigned long)hwif->hwif_data; base += 0xA0 + r; - if (hwif->mmio) + if (hwif->host_flags & IDE_HFLAG_MMIO) base += hwif->channel << 6; else base += hwif->channel << 4; @@ -190,7 +190,9 @@ static u8 sil_pata_udma_filter(ide_drive_t *drive) unsigned long base = (unsigned long)hwif->hwif_data; u8 scsc, mask = 0; - scsc = sil_ioread8(dev, base + (hwif->mmio ? 0x4A : 0x8A)); + base += (hwif->host_flags & IDE_HFLAG_MMIO) ? 0x4A : 0x8A; + + scsc = sil_ioread8(dev, base); switch (scsc & 0x30) { case 0x10: /* 133 */ @@ -238,8 +240,9 @@ static void sil_set_pio_mode(ide_drive_t *drive, u8 pio) unsigned long tfaddr = siimage_selreg(hwif, 0x02); unsigned long base = (unsigned long)hwif->hwif_data; u8 tf_pio = pio; - u8 addr_mask = hwif->channel ? (hwif->mmio ? 0xF4 : 0x84) - : (hwif->mmio ? 0xB4 : 0x80); + u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0; + u8 addr_mask = hwif->channel ? (mmio ? 0xF4 : 0x84) + : (mmio ? 0xB4 : 0x80); u8 mode = 0; u8 unit = drive->select.b.unit; @@ -290,13 +293,13 @@ static void sil_set_dma_mode(ide_drive_t *drive, const u8 speed) u16 ultra = 0, multi = 0; u8 mode = 0, unit = drive->select.b.unit; unsigned long base = (unsigned long)hwif->hwif_data; - u8 scsc = 0, addr_mask = hwif->channel ? - (hwif->mmio ? 0xF4 : 0x84) : - (hwif->mmio ? 0xB4 : 0x80); + u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0; + u8 scsc = 0, addr_mask = hwif->channel ? (mmio ? 0xF4 : 0x84) + : (mmio ? 0xB4 : 0x80); unsigned long ma = siimage_seldev(drive, 0x08); unsigned long ua = siimage_seldev(drive, 0x0C); - scsc = sil_ioread8 (dev, base + (hwif->mmio ? 0x4A : 0x8A)); + scsc = sil_ioread8 (dev, base + (mmio ? 0x4A : 0x8A)); mode = sil_ioread8 (dev, base + addr_mask); multi = sil_ioread16(dev, ma); ultra = sil_ioread16(dev, ua); @@ -391,7 +394,7 @@ static int siimage_mmio_dma_test_irq(ide_drive_t *drive) static int siimage_dma_test_irq(ide_drive_t *drive) { - if (drive->hwif->mmio) + if (drive->hwif->host_flags & IDE_HFLAG_MMIO) return siimage_mmio_dma_test_irq(drive); else return siimage_io_dma_test_irq(drive); @@ -418,8 +421,7 @@ static int sil_sata_reset_poll(ide_drive_t *drive) if ((sata_stat & 0x03) != 0x03) { printk(KERN_WARNING "%s: reset phy dead, status=0x%08x\n", hwif->name, sata_stat); - HWGROUP(drive)->polling = 0; - return ide_started; + return -ENXIO; } } @@ -640,8 +642,6 @@ static void __devinit init_mmio_iops_siimage(ide_hwif_t *hwif) hwif->irq = dev->irq; hwif->dma_base = (unsigned long)addr + (ch ? 0x08 : 0x00); - - hwif->mmio = 1; } static int is_dev_seagate_sata(ide_drive_t *drive) diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c index 4b0b85d8faf5..2389945ca95d 100644 --- a/drivers/ide/pci/sis5513.c +++ b/drivers/ide/pci/sis5513.c @@ -52,8 +52,6 @@ #include <linux/init.h> #include <linux/ide.h> -#include "ide-timing.h" - /* registers layout and init values are chipset family dependant */ #define ATA_16 0x01 @@ -569,6 +567,11 @@ static int __devinit sis5513_init_one(struct pci_dev *dev, const struct pci_devi { struct ide_port_info d = sis5513_chipset; u8 udma_rates[] = { 0x00, 0x00, 0x07, 0x1f, 0x3f, 0x3f, 0x7f, 0x7f }; + int rc; + + rc = pci_enable_device(dev); + if (rc) + return rc; if (sis_find_family(dev) == 0) return -ENOTSUPP; @@ -611,7 +614,6 @@ MODULE_LICENSE("GPL"); /* * TODO: * - CLEANUP - * - Use drivers/ide/ide-timing.h ! * - More checks in the config registers (force values instead of * relying on the BIOS setting them correctly). * - Further optimisations ? diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c index ce84fa045d39..6efbde297174 100644 --- a/drivers/ide/pci/sl82c105.c +++ b/drivers/ide/pci/sl82c105.c @@ -47,10 +47,11 @@ */ static unsigned int get_pio_timings(ide_drive_t *drive, u8 pio) { + struct ide_timing *t = ide_timing_find_mode(XFER_PIO_0 + pio); unsigned int cmd_on, cmd_off; u8 iordy = 0; - cmd_on = (ide_pio_timings[pio].active_time + 29) / 30; + cmd_on = (t->active + 29) / 30; cmd_off = (ide_pio_cycle_time(drive, pio) - 30 * cmd_on + 29) / 30; if (cmd_on == 0) diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c index 566e0ecb8db1..e47384c70c40 100644 --- a/drivers/ide/pci/via82cxxx.c +++ b/drivers/ide/pci/via82cxxx.c @@ -35,8 +35,6 @@ #include <asm/processor.h> #endif -#include "ide-timing.h" - #define VIA_IDE_ENABLE 0x40 #define VIA_IDE_CONFIG 0x41 #define VIA_FIFO_CONFIG 0x43 @@ -120,21 +118,21 @@ static void via_set_speed(ide_hwif_t *hwif, u8 dn, struct ide_timing *timing) if (~vdev->via_config->flags & VIA_BAD_AST) { pci_read_config_byte(dev, VIA_ADDRESS_SETUP, &t); - t = (t & ~(3 << ((3 - dn) << 1))) | ((FIT(timing->setup, 1, 4) - 1) << ((3 - dn) << 1)); + t = (t & ~(3 << ((3 - dn) << 1))) | ((clamp_val(timing->setup, 1, 4) - 1) << ((3 - dn) << 1)); pci_write_config_byte(dev, VIA_ADDRESS_SETUP, t); } pci_write_config_byte(dev, VIA_8BIT_TIMING + (1 - (dn >> 1)), - ((FIT(timing->act8b, 1, 16) - 1) << 4) | (FIT(timing->rec8b, 1, 16) - 1)); + ((clamp_val(timing->act8b, 1, 16) - 1) << 4) | (clamp_val(timing->rec8b, 1, 16) - 1)); pci_write_config_byte(dev, VIA_DRIVE_TIMING + (3 - dn), - ((FIT(timing->active, 1, 16) - 1) << 4) | (FIT(timing->recover, 1, 16) - 1)); + ((clamp_val(timing->active, 1, 16) - 1) << 4) | (clamp_val(timing->recover, 1, 16) - 1)); switch (vdev->via_config->udma_mask) { - case ATA_UDMA2: t = timing->udma ? (0xe0 | (FIT(timing->udma, 2, 5) - 2)) : 0x03; break; - case ATA_UDMA4: t = timing->udma ? (0xe8 | (FIT(timing->udma, 2, 9) - 2)) : 0x0f; break; - case ATA_UDMA5: t = timing->udma ? (0xe0 | (FIT(timing->udma, 2, 9) - 2)) : 0x07; break; - case ATA_UDMA6: t = timing->udma ? (0xe0 | (FIT(timing->udma, 2, 9) - 2)) : 0x07; break; + case ATA_UDMA2: t = timing->udma ? (0xe0 | (clamp_val(timing->udma, 2, 5) - 2)) : 0x03; break; + case ATA_UDMA4: t = timing->udma ? (0xe8 | (clamp_val(timing->udma, 2, 9) - 2)) : 0x0f; break; + case ATA_UDMA5: t = timing->udma ? (0xe0 | (clamp_val(timing->udma, 2, 9) - 2)) : 0x07; break; + case ATA_UDMA6: t = timing->udma ? (0xe0 | (clamp_val(timing->udma, 2, 9) - 2)) : 0x07; break; default: return; } @@ -340,7 +338,7 @@ static unsigned int __devinit init_chipset_via82cxxx(struct pci_dev *dev, const * Determine system bus clock. */ - via_clock = (ide_pci_clk ? ide_pci_clk : system_bus_clock()) * 1000; + via_clock = (ide_pci_clk ? ide_pci_clk : 33) * 1000; switch (via_clock) { case 33000: via_clock = 33333; break; diff --git a/drivers/ide/ppc/Makefile b/drivers/ide/ppc/Makefile index 65af5848b28c..74e52adcdf4b 100644 --- a/drivers/ide/ppc/Makefile +++ b/drivers/ide/ppc/Makefile @@ -1,3 +1,2 @@ obj-$(CONFIG_BLK_DEV_IDE_PMAC) += pmac.o -obj-$(CONFIG_BLK_DEV_MPC8xx_IDE) += mpc8xx.o diff --git a/drivers/ide/ppc/mpc8xx.c b/drivers/ide/ppc/mpc8xx.c deleted file mode 100644 index f0e638dcc3ab..000000000000 --- a/drivers/ide/ppc/mpc8xx.c +++ /dev/null @@ -1,847 +0,0 @@ -/* - * Copyright (C) 2000, 2001 Wolfgang Denk, wd@denx.de - * Modified for direct IDE interface - * by Thomas Lange, thomas@corelatus.com - * Modified for direct IDE interface on 8xx without using the PCMCIA - * controller - * by Steven.Scholz@imc-berlin.de - * Moved out of arch/ppc/kernel/m8xx_setup.c, other minor cleanups - * by Mathew Locke <mattl@mvista.com> - */ - -#include <linux/errno.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/stddef.h> -#include <linux/unistd.h> -#include <linux/ptrace.h> -#include <linux/slab.h> -#include <linux/user.h> -#include <linux/tty.h> -#include <linux/major.h> -#include <linux/interrupt.h> -#include <linux/reboot.h> -#include <linux/init.h> -#include <linux/ioport.h> -#include <linux/ide.h> -#include <linux/bootmem.h> - -#include <asm/mpc8xx.h> -#include <asm/mmu.h> -#include <asm/processor.h> -#include <asm/io.h> -#include <asm/pgtable.h> -#include <asm/ide.h> -#include <asm/8xx_immap.h> -#include <asm/machdep.h> -#include <asm/irq.h> - -#define DRV_NAME "ide-mpc8xx" - -static int identify (volatile u8 *p); -static void print_fixed (volatile u8 *p); -static void print_funcid (int func); -static int check_ide_device (unsigned long base); - -static void ide_interrupt_ack (void *dev); -static void m8xx_ide_set_pio_mode(ide_drive_t *drive, const u8 pio); - -typedef struct ide_ioport_desc { - unsigned long base_off; /* Offset to PCMCIA memory */ - unsigned long reg_off[IDE_NR_PORTS]; /* controller register offsets */ - int irq; /* IRQ */ -} ide_ioport_desc_t; - -ide_ioport_desc_t ioport_dsc[MAX_HWIFS] = { -#ifdef IDE0_BASE_OFFSET - { IDE0_BASE_OFFSET, - { - IDE0_DATA_REG_OFFSET, - IDE0_ERROR_REG_OFFSET, - IDE0_NSECTOR_REG_OFFSET, - IDE0_SECTOR_REG_OFFSET, - IDE0_LCYL_REG_OFFSET, - IDE0_HCYL_REG_OFFSET, - IDE0_SELECT_REG_OFFSET, - IDE0_STATUS_REG_OFFSET, - IDE0_CONTROL_REG_OFFSET, - IDE0_IRQ_REG_OFFSET, - }, - IDE0_INTERRUPT, - }, -#ifdef IDE1_BASE_OFFSET - { IDE1_BASE_OFFSET, - { - IDE1_DATA_REG_OFFSET, - IDE1_ERROR_REG_OFFSET, - IDE1_NSECTOR_REG_OFFSET, - IDE1_SECTOR_REG_OFFSET, - IDE1_LCYL_REG_OFFSET, - IDE1_HCYL_REG_OFFSET, - IDE1_SELECT_REG_OFFSET, - IDE1_STATUS_REG_OFFSET, - IDE1_CONTROL_REG_OFFSET, - IDE1_IRQ_REG_OFFSET, - }, - IDE1_INTERRUPT, - }, -#endif /* IDE1_BASE_OFFSET */ -#endif /* IDE0_BASE_OFFSET */ -}; - -ide_pio_timings_t ide_pio_clocks[6]; -int hold_time[6] = {30, 20, 15, 10, 10, 10 }; /* PIO Mode 5 with IORDY (nonstandard) */ - -/* - * Warning: only 1 (ONE) PCMCIA slot supported here, - * which must be correctly initialized by the firmware (PPCBoot). - */ -static int _slot_ = -1; /* will be read from PCMCIA registers */ - -/* Make clock cycles and always round up */ -#define PCMCIA_MK_CLKS( t, T ) (( (t) * ((T)/1000000) + 999U ) / 1000U ) - -#define M8XX_PCMCIA_CD2(slot) (0x10000000 >> (slot << 4)) -#define M8XX_PCMCIA_CD1(slot) (0x08000000 >> (slot << 4)) - -/* - * The TQM850L hardware has two pins swapped! Grrrrgh! - */ -#ifdef CONFIG_TQM850L -#define __MY_PCMCIA_GCRX_CXRESET PCMCIA_GCRX_CXOE -#define __MY_PCMCIA_GCRX_CXOE PCMCIA_GCRX_CXRESET -#else -#define __MY_PCMCIA_GCRX_CXRESET PCMCIA_GCRX_CXRESET -#define __MY_PCMCIA_GCRX_CXOE PCMCIA_GCRX_CXOE -#endif - -#if defined(CONFIG_BLK_DEV_MPC8xx_IDE) && defined(CONFIG_IDE_8xx_PCCARD) -#define PCMCIA_SCHLVL IDE0_INTERRUPT /* Status Change Interrupt Level */ -static int pcmcia_schlvl = PCMCIA_SCHLVL; -#endif - -/* - * See include/linux/ide.h for definition of hw_regs_t (p, base) - */ - -/* - * m8xx_ide_init_ports() for a direct IDE interface _using_ - * MPC8xx's internal PCMCIA interface - */ -#if defined(CONFIG_IDE_8xx_PCCARD) || defined(CONFIG_IDE_8xx_DIRECT) -static int __init m8xx_ide_init_ports(hw_regs_t *hw, unsigned long data_port) -{ - unsigned long *p = hw->io_ports_array; - int i; - - typedef struct { - ulong br; - ulong or; - } pcmcia_win_t; - volatile pcmcia_win_t *win; - volatile pcmconf8xx_t *pcmp; - - uint *pgcrx; - u32 pcmcia_phy_base; - u32 pcmcia_phy_end; - static unsigned long pcmcia_base = 0; - unsigned long base; - - *p = 0; - - pcmp = (pcmconf8xx_t *)(&(((immap_t *)IMAP_ADDR)->im_pcmcia)); - - if (!pcmcia_base) { - /* - * Read out PCMCIA registers. Since the reset values - * are undefined, we sure hope that they have been - * set up by firmware - */ - - /* Scan all registers for valid settings */ - pcmcia_phy_base = 0xFFFFFFFF; - pcmcia_phy_end = 0; - /* br0 is start of brX and orX regs */ - win = (pcmcia_win_t *) \ - (&(((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pbr0)); - for (i = 0; i < 8; i++) { - if (win->or & 1) { /* This bank is marked as valid */ - if (win->br < pcmcia_phy_base) { - pcmcia_phy_base = win->br; - } - if ((win->br + PCMCIA_MEM_SIZE) > pcmcia_phy_end) { - pcmcia_phy_end = win->br + PCMCIA_MEM_SIZE; - } - /* Check which slot that has been defined */ - _slot_ = (win->or >> 2) & 1; - - } /* Valid bank */ - win++; - } /* for */ - - printk ("PCMCIA slot %c: phys mem %08x...%08x (size %08x)\n", - 'A' + _slot_, - pcmcia_phy_base, pcmcia_phy_end, - pcmcia_phy_end - pcmcia_phy_base); - - if (!request_mem_region(pcmcia_phy_base, - pcmcia_phy_end - pcmcia_phy_base, - DRV_NAME)) { - printk(KERN_ERR "%s: resources busy\n", DRV_NAME); - return -EBUSY; - } - - pcmcia_base=(unsigned long)ioremap(pcmcia_phy_base, - pcmcia_phy_end-pcmcia_phy_base); - -#ifdef DEBUG - printk ("PCMCIA virt base: %08lx\n", pcmcia_base); -#endif - /* Compute clock cycles for PIO timings */ - for (i=0; i<6; ++i) { - bd_t *binfo = (bd_t *)__res; - - hold_time[i] = - PCMCIA_MK_CLKS (hold_time[i], - binfo->bi_busfreq); - ide_pio_clocks[i].setup_time = - PCMCIA_MK_CLKS (ide_pio_timings[i].setup_time, - binfo->bi_busfreq); - ide_pio_clocks[i].active_time = - PCMCIA_MK_CLKS (ide_pio_timings[i].active_time, - binfo->bi_busfreq); - ide_pio_clocks[i].cycle_time = - PCMCIA_MK_CLKS (ide_pio_timings[i].cycle_time, - binfo->bi_busfreq); -#if 0 - printk ("PIO mode %d timings: %d/%d/%d => %d/%d/%d\n", - i, - ide_pio_clocks[i].setup_time, - ide_pio_clocks[i].active_time, - ide_pio_clocks[i].hold_time, - ide_pio_clocks[i].cycle_time, - ide_pio_timings[i].setup_time, - ide_pio_timings[i].active_time, - ide_pio_timings[i].hold_time, - ide_pio_timings[i].cycle_time); -#endif - } - } - - if (_slot_ == -1) { - printk ("PCMCIA slot has not been defined! Using A as default\n"); - _slot_ = 0; - } - -#ifdef CONFIG_IDE_8xx_PCCARD - -#ifdef DEBUG - printk ("PIPR = 0x%08X slot %c ==> mask = 0x%X\n", - pcmp->pcmc_pipr, - 'A' + _slot_, - M8XX_PCMCIA_CD1(_slot_) | M8XX_PCMCIA_CD2(_slot_) ); -#endif /* DEBUG */ - - if (pcmp->pcmc_pipr & (M8XX_PCMCIA_CD1(_slot_)|M8XX_PCMCIA_CD2(_slot_))) { - printk ("No card in slot %c: PIPR=%08x\n", - 'A' + _slot_, (u32) pcmp->pcmc_pipr); - return -ENODEV; /* No card in slot */ - } - - check_ide_device (pcmcia_base); - -#endif /* CONFIG_IDE_8xx_PCCARD */ - - base = pcmcia_base + ioport_dsc[data_port].base_off; -#ifdef DEBUG - printk ("base: %08x + %08x = %08x\n", - pcmcia_base, ioport_dsc[data_port].base_off, base); -#endif - - for (i = 0; i < IDE_NR_PORTS; ++i) { -#ifdef DEBUG - printk ("port[%d]: %08x + %08x = %08x\n", - i, - base, - ioport_dsc[data_port].reg_off[i], - i, base + ioport_dsc[data_port].reg_off[i]); -#endif - *p++ = base + ioport_dsc[data_port].reg_off[i]; - } - - hw->irq = ioport_dsc[data_port].irq; - hw->ack_intr = (ide_ack_intr_t *)ide_interrupt_ack; - -#ifdef CONFIG_IDE_8xx_PCCARD - { - unsigned int reg; - - if (_slot_) - pgcrx = &((immap_t *) IMAP_ADDR)->im_pcmcia.pcmc_pgcrb; - else - pgcrx = &((immap_t *) IMAP_ADDR)->im_pcmcia.pcmc_pgcra; - - reg = *pgcrx; - reg |= mk_int_int_mask (pcmcia_schlvl) << 24; - reg |= mk_int_int_mask (pcmcia_schlvl) << 16; - *pgcrx = reg; - } -#endif /* CONFIG_IDE_8xx_PCCARD */ - - /* Enable Harddisk Interrupt, - * and make it edge sensitive - */ - /* (11-18) Set edge detect for irq, no wakeup from low power mode */ - ((immap_t *)IMAP_ADDR)->im_siu_conf.sc_siel |= - (0x80000000 >> ioport_dsc[data_port].irq); - -#ifdef CONFIG_IDE_8xx_PCCARD - /* Make sure we don't get garbage irq */ - ((immap_t *) IMAP_ADDR)->im_pcmcia.pcmc_pscr = 0xFFFF; - - /* Enable falling edge irq */ - pcmp->pcmc_per = 0x100000 >> (16 * _slot_); -#endif /* CONFIG_IDE_8xx_PCCARD */ - - return 0; -} -#endif /* CONFIG_IDE_8xx_PCCARD || CONFIG_IDE_8xx_DIRECT */ - -/* - * m8xx_ide_init_ports() for a direct IDE interface _not_ using - * MPC8xx's internal PCMCIA interface - */ -#if defined(CONFIG_IDE_EXT_DIRECT) -static int __init m8xx_ide_init_ports(hw_regs_t *hw, unsigned long data_port) -{ - unsigned long *p = hw->io_ports_array; - int i; - - u32 ide_phy_base; - u32 ide_phy_end; - static unsigned long ide_base = 0; - unsigned long base; - - *p = 0; - - if (!ide_base) { - - /* TODO: - * - add code to read ORx, BRx - */ - ide_phy_base = CFG_ATA_BASE_ADDR; - ide_phy_end = CFG_ATA_BASE_ADDR + 0x200; - - printk ("IDE phys mem : %08x...%08x (size %08x)\n", - ide_phy_base, ide_phy_end, - ide_phy_end - ide_phy_base); - - if (!request_mem_region(ide_phy_base, 0x200, DRV_NAME)) { - printk(KERN_ERR "%s: resources busy\n", DRV_NAME); - return -EBUSY; - } - - ide_base=(unsigned long)ioremap(ide_phy_base, - ide_phy_end-ide_phy_base); - -#ifdef DEBUG - printk ("IDE virt base: %08lx\n", ide_base); -#endif - } - - base = ide_base + ioport_dsc[data_port].base_off; -#ifdef DEBUG - printk ("base: %08x + %08x = %08x\n", - ide_base, ioport_dsc[data_port].base_off, base); -#endif - - for (i = 0; i < IDE_NR_PORTS; ++i) { -#ifdef DEBUG - printk ("port[%d]: %08x + %08x = %08x\n", - i, - base, - ioport_dsc[data_port].reg_off[i], - i, base + ioport_dsc[data_port].reg_off[i]); -#endif - *p++ = base + ioport_dsc[data_port].reg_off[i]; - } - - /* direct connected IDE drive, i.e. external IRQ */ - hw->irq = ioport_dsc[data_port].irq; - hw->ack_intr = (ide_ack_intr_t *)ide_interrupt_ack; - - /* Enable Harddisk Interrupt, - * and make it edge sensitive - */ - /* (11-18) Set edge detect for irq, no wakeup from low power mode */ - ((immap_t *) IMAP_ADDR)->im_siu_conf.sc_siel |= - (0x80000000 >> ioport_dsc[data_port].irq); - - return 0; -} -#endif /* CONFIG_IDE_8xx_DIRECT */ - - -/* -------------------------------------------------------------------- */ - - -/* PCMCIA Timing */ -#ifndef PCMCIA_SHT -#define PCMCIA_SHT(t) ((t & 0x0F)<<16) /* Strobe Hold Time */ -#define PCMCIA_SST(t) ((t & 0x0F)<<12) /* Strobe Setup Time */ -#define PCMCIA_SL(t) ((t==32) ? 0 : ((t & 0x1F)<<7)) /* Strobe Length */ -#endif - -/* Calculate PIO timings */ -static void m8xx_ide_set_pio_mode(ide_drive_t *drive, const u8 pio) -{ -#if defined(CONFIG_IDE_8xx_PCCARD) || defined(CONFIG_IDE_8xx_DIRECT) - volatile pcmconf8xx_t *pcmp; - ulong timing, mask, reg; - - pcmp = (pcmconf8xx_t *)(&(((immap_t *)IMAP_ADDR)->im_pcmcia)); - - mask = ~(PCMCIA_SHT(0xFF) | PCMCIA_SST(0xFF) | PCMCIA_SL(0xFF)); - - timing = PCMCIA_SHT(hold_time[pio] ) - | PCMCIA_SST(ide_pio_clocks[pio].setup_time ) - | PCMCIA_SL (ide_pio_clocks[pio].active_time) - ; - -#if 1 - printk ("Setting timing bits 0x%08lx in PCMCIA controller\n", timing); -#endif - if ((reg = pcmp->pcmc_por0 & mask) != 0) - pcmp->pcmc_por0 = reg | timing; - - if ((reg = pcmp->pcmc_por1 & mask) != 0) - pcmp->pcmc_por1 = reg | timing; - - if ((reg = pcmp->pcmc_por2 & mask) != 0) - pcmp->pcmc_por2 = reg | timing; - - if ((reg = pcmp->pcmc_por3 & mask) != 0) - pcmp->pcmc_por3 = reg | timing; - - if ((reg = pcmp->pcmc_por4 & mask) != 0) - pcmp->pcmc_por4 = reg | timing; - - if ((reg = pcmp->pcmc_por5 & mask) != 0) - pcmp->pcmc_por5 = reg | timing; - - if ((reg = pcmp->pcmc_por6 & mask) != 0) - pcmp->pcmc_por6 = reg | timing; - - if ((reg = pcmp->pcmc_por7 & mask) != 0) - pcmp->pcmc_por7 = reg | timing; - -#elif defined(CONFIG_IDE_EXT_DIRECT) - - printk("%s[%d] %s: not implemented yet!\n", - __FILE__, __LINE__, __func__); -#endif /* defined(CONFIG_IDE_8xx_PCCARD) || defined(CONFIG_IDE_8xx_PCMCIA */ -} - -static const struct ide_port_ops m8xx_port_ops = { - .set_pio_mode = m8xx_ide_set_pio_mode, -}; - -static void -ide_interrupt_ack (void *dev) -{ -#ifdef CONFIG_IDE_8xx_PCCARD - u_int pscr, pipr; - -#if (PCMCIA_SOCKETS_NO == 2) - u_int _slot_; -#endif - - /* get interrupt sources */ - - pscr = ((volatile immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pscr; - pipr = ((volatile immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pipr; - - /* - * report only if both card detect signals are the same - * not too nice done, - * we depend on that CD2 is the bit to the left of CD1... - */ - - if(_slot_==-1){ - printk("PCMCIA slot has not been defined! Using A as default\n"); - _slot_=0; - } - - if(((pipr & M8XX_PCMCIA_CD2(_slot_)) >> 1) ^ - (pipr & M8XX_PCMCIA_CD1(_slot_)) ) { - printk ("card detect interrupt\n"); - } - /* clear the interrupt sources */ - ((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pscr = pscr; - -#else /* ! CONFIG_IDE_8xx_PCCARD */ - /* - * Only CONFIG_IDE_8xx_PCCARD is using the interrupt of the - * MPC8xx's PCMCIA controller, so there is nothing to be done here - * for CONFIG_IDE_8xx_DIRECT and CONFIG_IDE_EXT_DIRECT. - * The interrupt is handled somewhere else. -- Steven - */ -#endif /* CONFIG_IDE_8xx_PCCARD */ -} - - - -/* - * CIS Tupel codes - */ -#define CISTPL_NULL 0x00 -#define CISTPL_DEVICE 0x01 -#define CISTPL_LONGLINK_CB 0x02 -#define CISTPL_INDIRECT 0x03 -#define CISTPL_CONFIG_CB 0x04 -#define CISTPL_CFTABLE_ENTRY_CB 0x05 -#define CISTPL_LONGLINK_MFC 0x06 -#define CISTPL_BAR 0x07 -#define CISTPL_PWR_MGMNT 0x08 -#define CISTPL_EXTDEVICE 0x09 -#define CISTPL_CHECKSUM 0x10 -#define CISTPL_LONGLINK_A 0x11 -#define CISTPL_LONGLINK_C 0x12 -#define CISTPL_LINKTARGET 0x13 -#define CISTPL_NO_LINK 0x14 -#define CISTPL_VERS_1 0x15 -#define CISTPL_ALTSTR 0x16 -#define CISTPL_DEVICE_A 0x17 -#define CISTPL_JEDEC_C 0x18 -#define CISTPL_JEDEC_A 0x19 -#define CISTPL_CONFIG 0x1a -#define CISTPL_CFTABLE_ENTRY 0x1b -#define CISTPL_DEVICE_OC 0x1c -#define CISTPL_DEVICE_OA 0x1d -#define CISTPL_DEVICE_GEO 0x1e -#define CISTPL_DEVICE_GEO_A 0x1f -#define CISTPL_MANFID 0x20 -#define CISTPL_FUNCID 0x21 -#define CISTPL_FUNCE 0x22 -#define CISTPL_SWIL 0x23 -#define CISTPL_END 0xff - -/* - * CIS Function ID codes - */ -#define CISTPL_FUNCID_MULTI 0x00 -#define CISTPL_FUNCID_MEMORY 0x01 -#define CISTPL_FUNCID_SERIAL 0x02 -#define CISTPL_FUNCID_PARALLEL 0x03 -#define CISTPL_FUNCID_FIXED 0x04 -#define CISTPL_FUNCID_VIDEO 0x05 -#define CISTPL_FUNCID_NETWORK 0x06 -#define CISTPL_FUNCID_AIMS 0x07 -#define CISTPL_FUNCID_SCSI 0x08 - -/* - * Fixed Disk FUNCE codes - */ -#define CISTPL_IDE_INTERFACE 0x01 - -#define CISTPL_FUNCE_IDE_IFACE 0x01 -#define CISTPL_FUNCE_IDE_MASTER 0x02 -#define CISTPL_FUNCE_IDE_SLAVE 0x03 - -/* First feature byte */ -#define CISTPL_IDE_SILICON 0x04 -#define CISTPL_IDE_UNIQUE 0x08 -#define CISTPL_IDE_DUAL 0x10 - -/* Second feature byte */ -#define CISTPL_IDE_HAS_SLEEP 0x01 -#define CISTPL_IDE_HAS_STANDBY 0x02 -#define CISTPL_IDE_HAS_IDLE 0x04 -#define CISTPL_IDE_LOW_POWER 0x08 -#define CISTPL_IDE_REG_INHIBIT 0x10 -#define CISTPL_IDE_HAS_INDEX 0x20 -#define CISTPL_IDE_IOIS16 0x40 - - -/* -------------------------------------------------------------------- */ - - -#define MAX_TUPEL_SZ 512 -#define MAX_FEATURES 4 - -static int check_ide_device (unsigned long base) -{ - volatile u8 *ident = NULL; - volatile u8 *feature_p[MAX_FEATURES]; - volatile u8 *p, *start; - int n_features = 0; - u8 func_id = ~0; - u8 code, len; - unsigned short config_base = 0; - int found = 0; - int i; - -#ifdef DEBUG - printk ("PCMCIA MEM: %08lX\n", base); -#endif - start = p = (volatile u8 *) base; - - while ((p - start) < MAX_TUPEL_SZ) { - - code = *p; p += 2; - - if (code == 0xFF) { /* End of chain */ - break; - } - - len = *p; p += 2; -#ifdef DEBUG_PCMCIA - { volatile u8 *q = p; - printk ("\nTuple code %02x length %d\n\tData:", - code, len); - - for (i = 0; i < len; ++i) { - printk (" %02x", *q); - q+= 2; - } - } -#endif /* DEBUG_PCMCIA */ - switch (code) { - case CISTPL_VERS_1: - ident = p + 4; - break; - case CISTPL_FUNCID: - func_id = *p; - break; - case CISTPL_FUNCE: - if (n_features < MAX_FEATURES) - feature_p[n_features++] = p; - break; - case CISTPL_CONFIG: - config_base = (*(p+6) << 8) + (*(p+4)); - default: - break; - } - p += 2 * len; - } - - found = identify (ident); - - if (func_id != ((u8)~0)) { - print_funcid (func_id); - - if (func_id == CISTPL_FUNCID_FIXED) - found = 1; - else - return (1); /* no disk drive */ - } - - for (i=0; i<n_features; ++i) { - print_fixed (feature_p[i]); - } - - if (!found) { - printk ("unknown card type\n"); - return (1); - } - - /* set level mode irq and I/O mapped device in config reg*/ - *((u8 *)(base + config_base)) = 0x41; - - return (0); -} - -/* ------------------------------------------------------------------------- */ - -static void print_funcid (int func) -{ - switch (func) { - case CISTPL_FUNCID_MULTI: - printk (" Multi-Function"); - break; - case CISTPL_FUNCID_MEMORY: - printk (" Memory"); - break; - case CISTPL_FUNCID_SERIAL: - printk (" Serial Port"); - break; - case CISTPL_FUNCID_PARALLEL: - printk (" Parallel Port"); - break; - case CISTPL_FUNCID_FIXED: - printk (" Fixed Disk"); - break; - case CISTPL_FUNCID_VIDEO: - printk (" Video Adapter"); - break; - case CISTPL_FUNCID_NETWORK: - printk (" Network Adapter"); - break; - case CISTPL_FUNCID_AIMS: - printk (" AIMS Card"); - break; - case CISTPL_FUNCID_SCSI: - printk (" SCSI Adapter"); - break; - default: - printk (" Unknown"); - break; - } - printk (" Card\n"); -} - -/* ------------------------------------------------------------------------- */ - -static void print_fixed (volatile u8 *p) -{ - if (p == NULL) - return; - - switch (*p) { - case CISTPL_FUNCE_IDE_IFACE: - { u8 iface = *(p+2); - - printk ((iface == CISTPL_IDE_INTERFACE) ? " IDE" : " unknown"); - printk (" interface "); - break; - } - case CISTPL_FUNCE_IDE_MASTER: - case CISTPL_FUNCE_IDE_SLAVE: - { u8 f1 = *(p+2); - u8 f2 = *(p+4); - - printk ((f1 & CISTPL_IDE_SILICON) ? " [silicon]" : " [rotating]"); - - if (f1 & CISTPL_IDE_UNIQUE) - printk (" [unique]"); - - printk ((f1 & CISTPL_IDE_DUAL) ? " [dual]" : " [single]"); - - if (f2 & CISTPL_IDE_HAS_SLEEP) - printk (" [sleep]"); - - if (f2 & CISTPL_IDE_HAS_STANDBY) - printk (" [standby]"); - - if (f2 & CISTPL_IDE_HAS_IDLE) - printk (" [idle]"); - - if (f2 & CISTPL_IDE_LOW_POWER) - printk (" [low power]"); - - if (f2 & CISTPL_IDE_REG_INHIBIT) - printk (" [reg inhibit]"); - - if (f2 & CISTPL_IDE_HAS_INDEX) - printk (" [index]"); - - if (f2 & CISTPL_IDE_IOIS16) - printk (" [IOis16]"); - - break; - } - } - printk ("\n"); -} - -/* ------------------------------------------------------------------------- */ - - -#define MAX_IDENT_CHARS 64 -#define MAX_IDENT_FIELDS 4 - -static u8 *known_cards[] = { - "ARGOSY PnPIDE D5", - NULL -}; - -static int identify (volatile u8 *p) -{ - u8 id_str[MAX_IDENT_CHARS]; - u8 data; - u8 *t; - u8 **card; - int i, done; - - if (p == NULL) - return (0); /* Don't know */ - - t = id_str; - done =0; - - for (i=0; i<=4 && !done; ++i, p+=2) { - while ((data = *p) != '\0') { - if (data == 0xFF) { - done = 1; - break; - } - *t++ = data; - if (t == &id_str[MAX_IDENT_CHARS-1]) { - done = 1; - break; - } - p += 2; - } - if (!done) - *t++ = ' '; - } - *t = '\0'; - while (--t > id_str) { - if (*t == ' ') - *t = '\0'; - else - break; - } - printk ("Card ID: %s\n", id_str); - - for (card=known_cards; *card; ++card) { - if (strcmp(*card, id_str) == 0) { /* found! */ - return (1); - } - } - - return (0); /* don't know */ -} - -static int __init mpc8xx_ide_probe(void) -{ - hw_regs_t hw; - u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; - -#ifdef IDE0_BASE_OFFSET - memset(&hw, 0, sizeof(hw)); - if (!m8xx_ide_init_ports(&hw, 0)) { - ide_hwif_t *hwif = ide_find_port(); - - if (hwif) { - ide_init_port_hw(hwif, &hw); - hwif->pio_mask = ATA_PIO4; - hwif->port_ops = &m8xx_port_ops; - - idx[0] = hwif->index; - } - } -#ifdef IDE1_BASE_OFFSET - memset(&hw, 0, sizeof(hw)); - if (!m8xx_ide_init_ports(&hw, 1)) { - ide_hwif_t *mate = ide_find_port(); - - if (mate) { - ide_init_port_hw(mate, &hw); - mate->pio_mask = ATA_PIO4; - mate->port_ops = &m8xx_port_ops; - - idx[1] = mate->index; - } - } -#endif -#endif - - ide_device_add(idx, NULL); - - return 0; -} - -module_init(mpc8xx_ide_probe); - -MODULE_LICENSE("GPL"); diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c index 48aa019127bc..93fb9067c043 100644 --- a/drivers/ide/ppc/pmac.c +++ b/drivers/ide/ppc/pmac.c @@ -5,7 +5,7 @@ * for doing DMA. * * Copyright (C) 1998-2003 Paul Mackerras & Ben. Herrenschmidt - * Copyright (C) 2007 Bartlomiej Zolnierkiewicz + * Copyright (C) 2007-2008 Bartlomiej Zolnierkiewicz * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -48,8 +48,6 @@ #include <asm/mediabay.h> #endif -#include "../ide-timing.h" - #undef IDE_PMAC_DEBUG #define DMA_WAIT_TIMEOUT 50 @@ -59,7 +57,6 @@ typedef struct pmac_ide_hwif { int irq; int kind; int aapl_bus_id; - unsigned cable_80 : 1; unsigned mediabay : 1; unsigned broken_dma : 1; unsigned broken_dma_warn : 1; @@ -481,13 +478,13 @@ pmac_ide_do_update_timings(ide_drive_t *drive) pmac_ide_selectproc(drive); } -static void -pmac_outbsync(ide_drive_t *drive, u8 value, unsigned long port) +static void pmac_outbsync(ide_hwif_t *hwif, u8 value, unsigned long port) { u32 tmp; writeb(value, (void __iomem *) port); - tmp = readl(PMAC_IDE_REG(IDE_TIMING_CONFIG)); + tmp = readl((void __iomem *)(hwif->io_ports.data_addr + + IDE_TIMING_CONFIG)); } /* @@ -496,6 +493,7 @@ pmac_outbsync(ide_drive_t *drive, u8 value, unsigned long port) static void pmac_ide_set_pio_mode(ide_drive_t *drive, const u8 pio) { + struct ide_timing *tim = ide_timing_find_mode(XFER_PIO_0 + pio); u32 *timings, t; unsigned accessTicks, recTicks; unsigned accessTime, recTime; @@ -527,10 +525,9 @@ pmac_ide_set_pio_mode(ide_drive_t *drive, const u8 pio) } case controller_kl_ata4: /* 66Mhz cell */ - recTime = cycle_time - ide_pio_timings[pio].active_time - - ide_pio_timings[pio].setup_time; + recTime = cycle_time - tim->active - tim->setup; recTime = max(recTime, 150U); - accessTime = ide_pio_timings[pio].active_time; + accessTime = tim->active; accessTime = max(accessTime, 150U); accessTicks = SYSCLK_TICKS_66(accessTime); accessTicks = min(accessTicks, 0x1fU); @@ -543,10 +540,9 @@ pmac_ide_set_pio_mode(ide_drive_t *drive, const u8 pio) default: { /* 33Mhz cell */ int ebit = 0; - recTime = cycle_time - ide_pio_timings[pio].active_time - - ide_pio_timings[pio].setup_time; + recTime = cycle_time - tim->active - tim->setup; recTime = max(recTime, 150U); - accessTime = ide_pio_timings[pio].active_time; + accessTime = tim->active; accessTime = max(accessTime, 150U); accessTicks = SYSCLK_TICKS(accessTime); accessTicks = min(accessTicks, 0x1fU); @@ -918,10 +914,40 @@ pmac_ide_do_resume(ide_hwif_t *hwif) return 0; } +static u8 pmac_ide_cable_detect(ide_hwif_t *hwif) +{ + pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)ide_get_hwifdata(hwif); + struct device_node *np = pmif->node; + const char *cable = of_get_property(np, "cable-type", NULL); + + /* Get cable type from device-tree. */ + if (cable && !strncmp(cable, "80-", 3)) + return ATA_CBL_PATA80; + + /* + * G5's seem to have incorrect cable type in device-tree. + * Let's assume they have a 80 conductor cable, this seem + * to be always the case unless the user mucked around. + */ + if (of_device_is_compatible(np, "K2-UATA") || + of_device_is_compatible(np, "shasta-ata")) + return ATA_CBL_PATA80; + + return ATA_CBL_PATA40; +} + static const struct ide_port_ops pmac_ide_ata6_port_ops = { .set_pio_mode = pmac_ide_set_pio_mode, .set_dma_mode = pmac_ide_set_dma_mode, .selectproc = pmac_ide_kauai_selectproc, + .cable_detect = pmac_ide_cable_detect, +}; + +static const struct ide_port_ops pmac_ide_ata4_port_ops = { + .set_pio_mode = pmac_ide_set_pio_mode, + .set_dma_mode = pmac_ide_set_dma_mode, + .selectproc = pmac_ide_selectproc, + .cable_detect = pmac_ide_cable_detect, }; static const struct ide_port_ops pmac_ide_port_ops = { @@ -949,10 +975,7 @@ static const struct ide_port_info pmac_port_info = { /* * Setup, register & probe an IDE channel driven by this driver, this is - * called by one of the 2 probe functions (macio or PCI). Note that a channel - * that ends up beeing free of any device is not kept around by this driver - * (it is kept in 2.4). This introduce an interface numbering change on some - * rare machines unfortunately, but it's better this way. + * called by one of the 2 probe functions (macio or PCI). */ static int __devinit pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif, hw_regs_t *hw) @@ -962,7 +985,6 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif, hw_regs_t *hw) u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; struct ide_port_info d = pmac_port_info; - pmif->cable_80 = 0; pmif->broken_dma = pmif->broken_dma_warn = 0; if (of_device_is_compatible(np, "shasta-ata")) { pmif->kind = controller_sh_ata6; @@ -979,6 +1001,7 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif, hw_regs_t *hw) } else if (of_device_is_compatible(np, "keylargo-ata")) { if (strcmp(np->name, "ata-4") == 0) { pmif->kind = controller_kl_ata4; + d.port_ops = &pmac_ide_ata4_port_ops; d.udma_mask = ATA_UDMA4; } else pmif->kind = controller_kl_ata3; @@ -992,22 +1015,6 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif, hw_regs_t *hw) bidp = of_get_property(np, "AAPL,bus-id", NULL); pmif->aapl_bus_id = bidp ? *bidp : 0; - /* Get cable type from device-tree */ - if (pmif->kind == controller_kl_ata4 || pmif->kind == controller_un_ata6 - || pmif->kind == controller_k2_ata6 - || pmif->kind == controller_sh_ata6) { - const char* cable = of_get_property(np, "cable-type", NULL); - if (cable && !strncmp(cable, "80-", 3)) - pmif->cable_80 = 1; - } - /* G5's seem to have incorrect cable type in device-tree. Let's assume - * they have a 80 conductor cable, this seem to be always the case unless - * the user mucked around - */ - if (of_device_is_compatible(np, "K2-UATA") || - of_device_is_compatible(np, "shasta-ata")) - pmif->cable_80 = 1; - /* On Kauai-type controllers, we make sure the FCR is correct */ if (pmif->kauai_fcr) writel(KAUAI_FCR_UATA_MAGIC | @@ -1053,7 +1060,6 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif, hw_regs_t *hw) hwif->hwif_data = pmif; ide_init_port_hw(hwif, hw); - hwif->cbl = pmif->cable_80 ? ATA_CBL_PATA80 : ATA_CBL_PATA40; printk(KERN_INFO "ide%d: Found Apple %s controller, bus ID %d%s, irq %d\n", hwif->index, model_name[pmif->kind], pmif->aapl_bus_id, @@ -1070,11 +1076,6 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif, hw_regs_t *hw) } } -#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC - if (pmif->cable_80 == 0) - d.udma_mask &= ATA_UDMA2; -#endif - idx[0] = hwif->index; ide_device_add(idx, &d); @@ -1147,8 +1148,6 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match) base = ioremap(macio_resource_start(mdev, 0), 0x400); regbase = (unsigned long) base; - hwif->dev = &mdev->bus->pdev->dev; - pmif->mdev = mdev; pmif->node = mdev->ofdev.node; pmif->regbase = regbase; @@ -1170,7 +1169,8 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match) memset(&hw, 0, sizeof(hw)); pmac_ide_init_ports(&hw, pmif->regbase); hw.irq = irq; - hw.dev = &mdev->ofdev.dev; + hw.dev = &mdev->bus->pdev->dev; + hw.parent = &mdev->ofdev.dev; rc = pmac_ide_setup_device(pmif, hwif, &hw); if (rc != 0) { @@ -1270,7 +1270,6 @@ pmac_ide_pci_attach(struct pci_dev *pdev, const struct pci_device_id *id) goto out_free_pmif; } - hwif->dev = &pdev->dev; pmif->mdev = NULL; pmif->node = np; diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c index 5171601fb255..65fc08b6b6d0 100644 --- a/drivers/ide/setup-pci.c +++ b/drivers/ide/setup-pci.c @@ -6,19 +6,15 @@ * May be copied or modified under the terms of the GNU General Public License */ -#include <linux/module.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/pci.h> #include <linux/init.h> -#include <linux/timer.h> -#include <linux/mm.h> #include <linux/interrupt.h> #include <linux/ide.h> #include <linux/dma-mapping.h> #include <asm/io.h> -#include <asm/irq.h> /** * ide_setup_pci_baseregs - place a PCI IDE controller native @@ -87,7 +83,7 @@ unsigned long ide_pci_dma_base(ide_hwif_t *hwif, const struct ide_port_info *d) unsigned long dma_base = 0; u8 dma_stat = 0; - if (hwif->mmio) + if (hwif->host_flags & IDE_HFLAG_MMIO) return hwif->dma_base; if (hwif->mate && hwif->mate->dma_base) { @@ -319,25 +315,22 @@ static ide_hwif_t *ide_hwif_configure(struct pci_dev *dev, ctl = pci_resource_start(dev, 2*port+1); base = pci_resource_start(dev, 2*port); - if ((ctl && !base) || (base && !ctl)) { - printk(KERN_ERR "%s: inconsistent baseregs (BIOS) " - "for port %d, skipping\n", d->name, port); - return NULL; - } - } - if (!ctl) { + } else { /* Use default values */ ctl = port ? 0x374 : 0x3f4; base = port ? 0x170 : 0x1f0; } - hwif = ide_find_port_slot(d); - if (hwif == NULL) { - printk(KERN_ERR "%s: too many IDE interfaces, no room in " - "table\n", d->name); + if (!base || !ctl) { + printk(KERN_ERR "%s: bad PCI BARs for port %d, skipping\n", + d->name, port); return NULL; } + hwif = ide_find_port_slot(d); + if (hwif == NULL) + return NULL; + memset(&hw, 0, sizeof(hw)); hw.irq = irq; hw.dev = &dev->dev; @@ -346,8 +339,6 @@ static ide_hwif_t *ide_hwif_configure(struct pci_dev *dev, ide_init_port_hw(hwif, &hw); - hwif->dev = &dev->dev; - return hwif; } @@ -374,7 +365,7 @@ int ide_hwif_setup_dma(ide_hwif_t *hwif, const struct ide_port_info *d) if (base == 0 || ide_pci_set_master(dev, d->name) < 0) return -1; - if (hwif->mmio) + if (hwif->host_flags & IDE_HFLAG_MMIO) printk(KERN_INFO " %s: MMIO-DMA\n", hwif->name); else printk(KERN_INFO " %s: BM-DMA at 0x%04lx-0x%04lx\n", |