diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-23 11:59:09 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-23 11:59:09 -0700 |
| commit | e669e8179d364bb11ed51504e1a1c60830bff4c5 (patch) | |
| tree | 3491e06ce0d6b0aef6d74b76aba92633779f4953 | |
| parent | 876a4256d25b7fd7917f53e767da1ebdf3168457 (diff) | |
| parent | fc410698ebf7abfb64f0e2337b871298557f0575 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (60 commits)
ide: small whitespace fixes
ide: ide-cd_ioctl.c fix sparse integer as NULL pointer warnings
ide: ide-cd.c fix sparse endianness warnings
ide-cd: convert to using the new atapi_flags
ide: remove unused PC_FLAG_DRQ_INTERRUPT
ide-scsi: convert to using the new atapi_flags
ide-tape: convert to using the new atapi_flags
ide-floppy: convert to using the new atapi_flags (take 2)
ide: add per-device flags
ide: use rq->cmd instead of pc->c in atapi common code
ide-scsi: pass packet command in rq->cmd
ide-tape: pass packet command in rq->cmd
ide-tape: make room for packet command ids in rq->cmd
ide-floppy: pass packet command in rq->cmd
ide: remove pc->callback member from ide_atapi_pc
ide-scsi: use drive->pc_callback instead of pc->callback
ide-tape: use drive->pc_callback instead of pc->callback
ide-floppy: use drive->pc_callback instead of pc->callback
ide: push pc callback pointer into the ide_drive_t structure
drivers/ide/ide-tape.c: remove double kfree
...
57 files changed, 1613 insertions, 1466 deletions
diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig index 15b09b89588..04d9c4d459d 100644 --- a/drivers/ide/Kconfig +++ b/drivers/ide/Kconfig @@ -510,6 +510,7 @@ config BLK_DEV_TRIFLEX config BLK_DEV_CY82C693 tristate "CY82C693 chipset support" + depends on ALPHA select IDE_TIMINGS select BLK_DEV_IDEDMA_PCI help @@ -548,6 +549,7 @@ config BLK_DEV_CS5535 config BLK_DEV_HPT34X tristate "HPT34X chipset support" + depends on BROKEN select BLK_DEV_IDEDMA_PCI help This driver adds up to 4 more EIDE devices sharing a single diff --git a/drivers/ide/arm/icside.c b/drivers/ide/arm/icside.c index 52f58c88578..f575e8341ae 100644 --- a/drivers/ide/arm/icside.c +++ b/drivers/ide/arm/icside.c @@ -72,7 +72,7 @@ struct icside_state { void __iomem *ioc_base; unsigned int sel; unsigned int type; - ide_hwif_t *hwif[2]; + struct ide_host *host; }; #define ICS_TYPE_A3IN 0 @@ -375,12 +375,14 @@ static int icside_dma_test_irq(ide_drive_t *drive) static void icside_dma_timeout(ide_drive_t *drive) { + ide_hwif_t *hwif = drive->hwif; + printk(KERN_ERR "%s: DMA timeout occurred: ", drive->name); if (icside_dma_test_irq(drive)) return; - ide_dump_status(drive, "DMA timeout", ide_read_status(drive)); + ide_dump_status(drive, "DMA timeout", hwif->tp_ops->read_status(hwif)); icside_dma_end(drive); } @@ -440,10 +442,10 @@ static void icside_setup_ports(hw_regs_t *hw, void __iomem *base, static int __init 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; + struct ide_host *host; + hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; + int ret; base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0); if (!base) @@ -463,22 +465,23 @@ icside_register_v5(struct icside_state *state, struct expansion_card *ec) icside_setup_ports(&hw, base, &icside_cardinfo_v5, ec); - hwif = ide_find_port(); - if (!hwif) + host = ide_host_alloc(NULL, hws); + if (host == NULL) return -ENODEV; - ide_init_port_hw(hwif, &hw); - default_hwif_mmiops(hwif); - - state->hwif[0] = hwif; + state->host = host; ecard_set_drvdata(ec, state); - idx[0] = hwif->index; - - ide_device_add(idx, NULL); + ret = ide_host_register(host, NULL, hws); + if (ret) + goto err_free; return 0; +err_free: + ide_host_free(host); + ecard_set_drvdata(ec, NULL); + return ret; } static const struct ide_port_info icside_v6_port_info __initdata = { @@ -493,13 +496,12 @@ static const struct ide_port_info icside_v6_port_info __initdata = { static int __init icside_register_v6(struct icside_state *state, struct expansion_card *ec) { - ide_hwif_t *hwif, *mate; void __iomem *ioc_base, *easi_base; + struct ide_host *host; unsigned int sel = 0; int ret; - u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; + hw_regs_t hw[2], *hws[] = { &hw[0], NULL, NULL, NULL }; 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) { @@ -538,28 +540,11 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec) 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 = ide_find_port(); - if (hwif == NULL) + host = ide_host_alloc(&d, hws); + if (host == NULL) return -ENODEV; - 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; + state->host = host; ecard_set_drvdata(ec, state); @@ -569,11 +554,17 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec) d.dma_ops = NULL; } - ide_device_add(idx, &d); + ret = ide_host_register(host, NULL, hws); + if (ret) + goto err_free; return 0; - - out: +err_free: + ide_host_free(host); + if (d.dma_ops) + free_dma(ec->dma); + ecard_set_drvdata(ec, NULL); +out: return ret; } diff --git a/drivers/ide/arm/ide_arm.c b/drivers/ide/arm/ide_arm.c index 2f311da4c96..176532ffae0 100644 --- a/drivers/ide/arm/ide_arm.c +++ b/drivers/ide/arm/ide_arm.c @@ -28,10 +28,8 @@ static int __init ide_arm_init(void) { - ide_hwif_t *hwif; - hw_regs_t hw; unsigned long base = IDE_ARM_IO, ctl = IDE_ARM_IO + 0x206; - u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; + hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; if (!request_region(base, 8, DRV_NAME)) { printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n", @@ -51,15 +49,7 @@ static int __init ide_arm_init(void) hw.irq = IDE_ARM_IRQ; hw.chipset = ide_generic; - hwif = ide_find_port(); - if (hwif) { - ide_init_port_hw(hwif, &hw); - idx[0] = hwif->index; - - ide_device_add(idx, NULL); - } - - return 0; + return ide_host_add(NULL, hws, NULL); } module_init(ide_arm_init); diff --git a/drivers/ide/arm/palm_bk3710.c b/drivers/ide/arm/palm_bk3710.c index c79b85b6e4a..65bb4b8fd57 100644 --- a/drivers/ide/arm/palm_bk3710.c +++ b/drivers/ide/arm/palm_bk3710.c @@ -316,15 +316,14 @@ static u8 __devinit palm_bk3710_cable_detect(ide_hwif_t *hwif) static int __devinit palm_bk3710_init_dma(ide_hwif_t *hwif, const struct ide_port_info *d) { - unsigned long base = - hwif->io_ports.data_addr - IDE_PALM_ATA_PRI_REG_OFFSET; - printk(KERN_INFO " %s: MMIO-DMA\n", hwif->name); if (ide_allocate_dma_engine(hwif)) return -1; - ide_setup_dma(hwif, base); + hwif->dma_base = hwif->io_ports.data_addr - IDE_PALM_ATA_PRI_REG_OFFSET; + + hwif->dma_ops = &sff_dma_ops; return 0; } @@ -348,11 +347,10 @@ static int __devinit palm_bk3710_probe(struct platform_device *pdev) { struct clk *clk; struct resource *mem, *irq; - ide_hwif_t *hwif; + struct ide_host *host; unsigned long base, rate; - int i; - hw_regs_t hw; - u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; + int i, rc; + hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; clk = clk_get(NULL, "IDECLK"); if (IS_ERR(clk)) @@ -394,24 +392,14 @@ static int __devinit palm_bk3710_probe(struct platform_device *pdev) hw.irq = irq->start; hw.chipset = ide_palm3710; - hwif = ide_find_port(); - if (hwif == NULL) + rc = ide_host_add(&palm_bk3710_port_info, hws, NULL); + if (rc) goto out; - i = hwif->index; - - ide_init_port_hw(hwif, &hw); - - default_hwif_mmiops(hwif); - - idx[0] = i; - - ide_device_add(idx, &palm_bk3710_port_info); - return 0; out: printk(KERN_WARNING "Palm Chip BK3710 IDE Register Fail\n"); - return -ENODEV; + return rc; } /* work with hotplug and coldplug */ diff --git a/drivers/ide/arm/rapide.c b/drivers/ide/arm/rapide.c index 43057e0303c..2bdd8b734af 100644 --- a/drivers/ide/arm/rapide.c +++ b/drivers/ide/arm/rapide.c @@ -32,11 +32,10 @@ static void rapide_setup_ports(hw_regs_t *hw, void __iomem *base, static int __devinit rapide_probe(struct expansion_card *ec, const struct ecard_id *id) { - ide_hwif_t *hwif; void __iomem *base; + struct ide_host *host; int ret; - u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; - hw_regs_t hw; + hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; ret = ecard_request_resources(ec); if (ret) @@ -53,20 +52,11 @@ rapide_probe(struct expansion_card *ec, const struct ecard_id *id) hw.chipset = ide_generic; hw.dev = &ec->dev; - hwif = ide_find_port(); - if (hwif == NULL) { - ret = -ENOENT; + ret = ide_host_add(&rapide_port_info, hws, &host); + if (ret) goto release; - } - - ide_init_port_hw(hwif, &hw); - default_hwif_mmiops(hwif); - - idx[0] = hwif->index; - - ide_device_add(idx, &rapide_port_info); - ecard_set_drvdata(ec, hwif); + ecard_set_drvdata(ec, host); goto out; release: @@ -77,11 +67,11 @@ rapide_probe(struct expansion_card *ec, const struct ecard_id *id) static void __devexit rapide_remove(struct expansion_card *ec) { - ide_hwif_t *hwif = ecard_get_drvdata(ec); + struct ide_host *host = ecard_get_drvdata(ec); ecard_set_drvdata(ec, NULL); - ide_unregister(hwif); + ide_host_remove(host); ecard_release_resources(ec); } diff --git a/drivers/ide/h8300/ide-h8300.c b/drivers/ide/h8300/ide-h8300.c index 20fad6d542c..bde7a585f19 100644 --- a/drivers/ide/h8300/ide-h8300.c +++ b/drivers/ide/h8300/ide-h8300.c @@ -100,6 +100,8 @@ static void h8300_tf_read(ide_drive_t *drive, ide_task_t *task) /* be sure we're looking at the low order bits */ outb(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr); + if (task->tf_flags & IDE_TFLAG_IN_FEATURE) + tf->feature = inb(io_ports->feature_addr); if (task->tf_flags & IDE_TFLAG_IN_NSECT) tf->nsect = inb(io_ports->nsect_addr); if (task->tf_flags & IDE_TFLAG_IN_LBAL) @@ -153,6 +155,21 @@ static void h8300_output_data(ide_drive_t *drive, struct request *rq, mm_outsw(drive->hwif->io_ports.data_addr, buf, (len + 1) / 2); } +static const struct ide_tp_ops h8300_tp_ops = { + .exec_command = ide_exec_command, + .read_status = ide_read_status, + .read_altstatus = ide_read_altstatus, + .read_sff_dma_status = ide_read_sff_dma_status, + + .set_irq = ide_set_irq, + + .tf_load = h8300_tf_load, + .tf_read = h8300_tf_read, + + .input_data = h8300_input_data, + .output_data = h8300_output_data, +}; + #define H8300_IDE_GAP (2) static inline void hw_setup(hw_regs_t *hw) @@ -167,27 +184,14 @@ static inline void hw_setup(hw_regs_t *hw) hw->chipset = ide_generic; } -static inline void hwif_setup(ide_hwif_t *hwif) -{ - default_hwif_iops(hwif); - - hwif->tf_load = h8300_tf_load; - hwif->tf_read = h8300_tf_read; - - hwif->input_data = h8300_input_data; - hwif->output_data = h8300_output_data; -} - static const struct ide_port_info h8300_port_info = { + .tp_ops = &h8300_tp_ops, .host_flags = IDE_HFLAG_NO_IO_32BIT | IDE_HFLAG_NO_DMA, }; static int __init h8300_ide_init(void) { - hw_regs_t hw; - ide_hwif_t *hwif; - int index; - u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; + hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; printk(KERN_INFO DRV_NAME ": H8/300 generic IDE interface\n"); @@ -200,19 +204,7 @@ static int __init h8300_ide_init(void) hw_setup(&hw); - hwif = ide_find_port_slot(&h8300_port_info); - if (hwif == NULL) - return -ENOENT; - - index = hwif->index; - ide_init_port_hw(hwif, &hw); - hwif_setup(hwif); - - idx[0] = index; - - ide_device_add(idx, &h8300_port_info); - - return 0; + return ide_host_add(&h8300_port_info, hws, NULL); out_busy: printk(KERN_ERR "ide-h8300: IDE I/F resource already used.\n"); diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index 2802031de67..adf04f99cde 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -22,6 +22,8 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, void (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned, int)) { ide_hwif_t *hwif = drive->hwif; + struct request *rq = hwif->hwgroup->rq; + const struct ide_tp_ops *tp_ops = hwif->tp_ops; xfer_func_t *xferfunc; unsigned int temp; u16 bcount; @@ -30,12 +32,12 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, debug_log("Enter %s - interrupt handler\n", __func__); if (pc->flags & PC_FLAG_TIMEDOUT) { - pc->callback(drive); + drive->pc_callback(drive); return ide_stopped; } /* Clear the interrupt */ - stat = ide_read_status(drive); + stat = tp_ops->read_status(hwif); if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) { if (hwif->dma_ops->dma_end(drive) || @@ -63,8 +65,9 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, local_irq_enable_in_hardirq(); if (drive->media == ide_tape && !scsi && - (stat & ERR_STAT) && pc->c[0] == REQUEST_SENSE) + (stat & ERR_STAT) && rq->cmd[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); @@ -75,16 +78,17 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, goto cmd_finished; } - if (pc->c[0] == REQUEST_SENSE) { + if (rq->cmd[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]); + debug_log("[cmd %x]: check condition\n", rq->cmd[0]); /* Retry operation */ retry_pc(drive); + /* queued, but not started */ return ide_stopped; } @@ -95,8 +99,10 @@ cmd_finished: dsc_handle(drive); return ide_stopped; } + /* Command finished - Call the callback function */ - pc->callback(drive); + drive->pc_callback(drive); + return ide_stopped; } @@ -107,16 +113,15 @@ cmd_finished: 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); + /* Get the number of bytes to transfer on this interrupt. */ + ide_read_bcount_and_ireason(drive, &bcount, &ireason); 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 " @@ -125,6 +130,7 @@ cmd_finished: (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; @@ -142,7 +148,7 @@ cmd_finished: if (pc->sg) io_buffers(drive, pc, temp, 0); else - hwif->input_data(drive, NULL, + tp_ops->input_data(drive, NULL, pc->cur_pos, temp); printk(KERN_ERR "%s: transferred %d of " "%d bytes\n", @@ -159,9 +165,9 @@ cmd_finished: debug_log("The device wants to send us more data than " "expected - allowing transfer\n"); } - xferfunc = hwif->input_data; + xferfunc = tp_ops->input_data; } else - xferfunc = hwif->output_data; + xferfunc = tp_ops->output_data; if ((drive->media == ide_floppy && !scsi && !pc->buf) || (drive->media == ide_tape && !scsi && pc->bh) || @@ -175,7 +181,7 @@ cmd_finished: pc->cur_pos += bcount; debug_log("[cmd %x] transferred %d bytes on that intr.\n", - pc->c[0], bcount); + rq->cmd[0], bcount); /* And set the interrupt handler again */ ide_set_handler(drive, handler, timeout, expiry); @@ -183,16 +189,27 @@ cmd_finished: } EXPORT_SYMBOL_GPL(ide_pc_intr); +static u8 ide_read_ireason(ide_drive_t *drive) +{ + ide_task_t task; + + memset(&task, 0, sizeof(task)); + task.tf_flags = IDE_TFLAG_IN_NSECT; + + drive->hwif->tp_ops->tf_read(drive, &task); + + return task.tf.nsect & 3; +} + 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); + ireason = ide_read_ireason(drive); if (retries == 0) { printk(KERN_ERR "%s: (IO,CoD != (0,1) while issuing " "a packet command, ignoring\n", @@ -210,6 +227,7 @@ ide_startstop_t ide_transfer_pc(ide_drive_t *drive, struct ide_atapi_pc *pc, ide_expiry_t *expiry) { ide_hwif_t *hwif = drive->hwif; + struct request *rq = hwif->hwgroup->rq; ide_startstop_t startstop; u8 ireason; @@ -219,7 +237,7 @@ ide_startstop_t ide_transfer_pc(ide_drive_t *drive, struct ide_atapi_pc *pc, return startstop; } - ireason = hwif->INB(hwif->io_ports.nsect_addr); + ireason = ide_read_ireason(drive); if (drive->media == ide_tape && !drive->scsi) ireason = ide_wait_ireason(drive, ireason); @@ -239,8 +257,8 @@ ide_startstop_t ide_transfer_pc(ide_drive_t *drive, struct ide_atapi_pc *pc, } /* Send the actual packet */ - if ((pc->flags & PC_FLAG_ZIP_DRIVE) == 0) - hwif->output_data(drive, NULL, pc->c, 12); + if ((drive->atapi_flags & IDE_AFLAG_ZIP_DRIVE) == 0) + hwif->tp_ops->output_data(drive, NULL, rq->cmd, 12); return ide_started; } @@ -284,7 +302,7 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, struct ide_atapi_pc *pc, bcount, dma); /* Issue the packet command */ - if (pc->flags & PC_FLAG_DRQ_INTERRUPT) { + if (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT) { ide_execute_command(drive, WIN_PACKETCMD, handler, timeout, NULL); return ide_started; diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 6e29dd53209..4e73aeee405 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -85,10 +85,8 @@ static void ide_cd_put(struct cdrom_info *cd) /* Mark that we've seen a media change and invalidate our internal buffers. */ static void cdrom_saw_media_change(ide_drive_t *drive) { - struct cdrom_info *cd = drive->driver_data; - - cd->cd_flags |= IDE_CD_FLAG_MEDIA_CHANGED; - cd->cd_flags &= ~IDE_CD_FLAG_TOC_VALID; + drive->atapi_flags |= IDE_AFLAG_MEDIA_CHANGED; + drive->atapi_flags &= ~IDE_AFLAG_TOC_VALID; } static int cdrom_log_sense(ide_drive_t *drive, struct request *rq, @@ -280,11 +278,12 @@ static void ide_dump_status_no_sense(ide_drive_t *drive, const char *msg, u8 st) */ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret) { - struct request *rq = HWGROUP(drive)->rq; + ide_hwif_t *hwif = drive->hwif; + struct request *rq = hwif->hwgroup->rq; int stat, err, sense_key; /* check for errors */ - stat = ide_read_status(drive); + stat = hwif->tp_ops->read_status(hwif); if (stat_ret) *stat_ret = stat; @@ -528,7 +527,7 @@ static ide_startstop_t cdrom_start_packet_command(ide_drive_t *drive, 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) { + if (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT) { /* waiting for CDB interrupt, not DMA yet. */ if (info->dma) drive->waiting_for_dma = 0; @@ -560,7 +559,7 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive, struct cdrom_info *info = drive->driver_data; ide_startstop_t startstop; - if (info->cd_flags & IDE_CD_FLAG_DRQ_INTERRUPT) { + if (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT) { /* * Here we should have been called after receiving an interrupt * from the device. DRQ should how be set. @@ -589,7 +588,7 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive, cmd_len = ATAPI_MIN_CDB_BYTES; /* send the command to the device */ - hwif->output_data(drive, NULL, rq->cmd, cmd_len); + hwif->tp_ops->output_data(drive, NULL, rq->cmd, cmd_len); /* start the DMA if need be */ if (info->dma) @@ -606,6 +605,8 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive, static int ide_cd_check_ireason(ide_drive_t *drive, struct request *rq, int len, int ireason, int rw) { + ide_hwif_t *hwif = drive->hwif; + /* * ireason == 0: the drive wants to receive data from us * ireason == 2: the drive is expecting to transfer data to us @@ -624,7 +625,7 @@ static int ide_cd_check_ireason(ide_drive_t *drive, struct request *rq, * Some drives (ASUS) seem to tell us that status info is * available. Just get it and ignore. */ - (void)ide_read_status(drive); + (void)hwif->tp_ops->read_status(hwif); return 0; } else { /* drive wants a command packet, or invalid ireason... */ @@ -645,20 +646,18 @@ static int ide_cd_check_ireason(ide_drive_t *drive, struct request *rq, */ static int ide_cd_check_transfer_size(ide_drive_t *drive, int len) { - struct cdrom_info *cd = drive->driver_data; - if ((len % SECTOR_SIZE) == 0) return 0; printk(KERN_ERR "%s: %s: Bad transfer size %d\n", drive->name, __func__, len); - if (cd->cd_flags & IDE_CD_FLAG_LIMIT_NFRAMES) + if (drive->atapi_flags & IDE_AFLAG_LIMIT_NFRAMES) printk(KERN_ERR " This drive is not supported by " "this version of the driver\n"); else { printk(KERN_ERR " Trying to limit transfer sizes\n"); - cd->cd_flags |= IDE_CD_FLAG_LIMIT_NFRAMES; + drive->atapi_flags |= IDE_AFLAG_LIMIT_NFRAMES; } return 1; @@ -735,7 +734,7 @@ static ide_startstop_t cdrom_seek_intr(ide_drive_t *drive) if (cdrom_decode_status(drive, 0, &stat)) return ide_stopped; - info->cd_flags |= IDE_CD_FLAG_SEEKING; + drive->atapi_flags |= IDE_AFLAG_SEEKING; if (retry && time_after(jiffies, info->start_seek + IDECD_SEEK_TIMER)) { if (--retry == 0) @@ -892,10 +891,11 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) struct request *rq = HWGROUP(drive)->rq; xfer_func_t *xferfunc; ide_expiry_t *expiry = NULL; - int dma_error = 0, dma, stat, ireason, len, thislen, uptodate = 0; + int dma_error = 0, dma, stat, thislen, uptodate = 0; int write = (rq_data_dir(rq) == WRITE) ? 1 : 0; unsigned int timeout; - u8 lowcyl, highcyl; + u16 len; + u8 ireason; /* check for errors */ dma = info->dma; @@ -923,12 +923,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) goto end_request; } - /* ok we fall to pio :/ */ - ireason = hwif->INB(hwif->io_ports.nsect_addr) & 0x3; - lowcyl = hwif->INB(hwif->io_ports.lbam_addr); - highcyl = hwif->INB(hwif->io_ports.lbah_addr); - - len = lowcyl + (256 * highcyl); + ide_read_bcount_and_ireason(drive, &len, &ireason); thislen = blk_fs_request(rq) ? len : rq->data_len; if (thislen > len) @@ -991,10 +986,10 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) if (ireason == 0) { write = 1; - xferfunc = hwif->output_data; + xferfunc = hwif->tp_ops->output_data; } else { write = 0; - xferfunc = hwif->input_data; + xferfunc = hwif->tp_ops->input_data; } /* transfer data */ @@ -1198,9 +1193,10 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq, int xferlen; if (blk_fs_request(rq)) { - if (info->cd_flags & IDE_CD_FLAG_SEEKING) { + if (drive->atapi_flags & IDE_AFLAG_SEEKING) { + ide_hwif_t *hwif = drive->hwif; unsigned long elapsed = jiffies - info->start_seek; - int stat = ide_read_status(drive); + int stat = hwif->tp_ops->read_status(hwif); if ((stat & SEEK_STAT) != SEEK_STAT) { if (elapsed < IDECD_SEEK_TIMEOUT) { @@ -1211,7 +1207,7 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq, printk(KERN_ERR "%s: DSC timeout\n", drive->name); } - info->cd_flags &= ~IDE_CD_FLAG_SEEKING; + drive->atapi_flags &= ~IDE_AFLAG_SEEKING; } if (rq_data_dir(rq) == READ && IDE_LARGE_SEEK(info->last_block, block, @@ -1288,7 +1284,7 @@ int cdrom_check_status(ide_drive_t *drive, struct request_sense *sense) */ cmd[7] = cdi->sanyo_slot % 3; - return ide_cd_queue_pc(drive, cmd, 0, NULL, 0, sense, 0, REQ_QUIET); + return ide_cd_queue_pc(drive, cmd, 0, NULL, NULL, sense, 0, REQ_QUIET); } static int cdrom_read_capacity(ide_drive_t *drive, unsigned long *capacity, @@ -1296,8 +1292,8 @@ static int cdrom_read_capacity(ide_drive_t *drive, unsigned long *capacity, struct request_sense *sense) { struct { - __u32 lba; - __u32 blocklen; + __be32 lba; + __be32 blocklen; } capbuf; int stat; @@ -1369,7 +1365,7 @@ int ide_cd_read_toc(ide_drive_t *drive, struct request_sense *sense) */ (void) cdrom_check_status(drive, sense); - if (info->cd_flags & IDE_CD_FLAG_TOC_VALID) + if (drive->atapi_flags & IDE_AFLAG_TOC_VALID) return 0; /* try to get the total cdrom capacity and sector size */ @@ -1391,7 +1387,7 @@ int ide_cd_read_toc(ide_drive_t *drive, struct request_sense *sense) if (stat) return stat; - if (info->cd_flags & IDE_CD_FLAG_TOCTRACKS_AS_BCD) { + if (drive->atapi_flags & IDE_AFLAG_TOCTRACKS_AS_BCD) { toc->hdr.first_track = BCD2BIN(toc->hdr.first_track); toc->hdr.last_track = BCD2BIN(toc->hdr.last_track); } @@ -1432,7 +1428,7 @@ int ide_cd_read_toc(ide_drive_t *drive, struct request_sense *sense) if (stat) return stat; - if (info->cd_flags & IDE_CD_FLAG_TOCTRACKS_AS_BCD) { + if (drive->atapi_flags & IDE_AFLAG_TOCTRACKS_AS_BCD) { toc->hdr.first_track = (u8)BIN2BCD(CDROM_LEADOUT); toc->hdr.last_track = (u8)BIN2BCD(CDROM_LEADOUT); } else { @@ -1446,14 +1442,14 @@ int ide_cd_read_toc(ide_drive_t *drive, struct request_sense *sense) toc->hdr.toc_length = be16_to_cpu(toc->hdr.toc_length); - if (info->cd_flags & IDE_CD_FLAG_TOCTRACKS_AS_BCD) { + if (drive->atapi_flags & IDE_AFLAG_TOCTRACKS_AS_BCD) { toc->hdr.first_track = BCD2BIN(toc->hdr.first_track); toc->hdr.last_track = BCD2BIN(toc->hdr.last_track); } for (i = 0; i <= ntracks; i++) { - if (info->cd_flags & IDE_CD_FLAG_TOCADDR_AS_BCD) { - if (info->cd_flags & IDE_CD_FLAG_TOCTRACKS_AS_BCD) + if (drive->atapi_flags & IDE_AFLAG_TOCADDR_AS_BCD) { + if (drive->atapi_flags & IDE_AFLAG_TOCTRACKS_AS_BCD) toc->ent[i].track = BCD2BIN(toc->ent[i].track); msf_from_bcd(&toc->ent[i].addr.msf); } @@ -1476,7 +1472,7 @@ int ide_cd_read_toc(ide_drive_t *drive, struct request_sense *sense) toc->last_session_lba = msf_to_lba(0, 2, 0); /* 0m 2s 0f */ } - if (info->cd_flags & IDE_CD_FLAG_TOCADDR_AS_BCD) { + if (drive->atapi_flags & IDE_AFLAG_TOCADDR_AS_BCD) { /* re-read multisession information using MSF format */ stat = cdrom_read_tocentry(drive, 0, 1, 1, (char *)&ms_tmp, sizeof(ms_tmp), sense); @@ -1500,7 +1496,7 @@ int ide_cd_read_toc(ide_drive_t *drive, struct request_sense *sense) } /* Remember that we've read this stuff. */ - info->cd_flags |= IDE_CD_FLAG_TOC_VALID; + drive->atapi_flags |= IDE_AFLAG_TOC_VALID; return 0; } @@ -1512,7 +1508,7 @@ int ide_cdrom_get_capabilities(ide_drive_t *drive, u8 *buf) struct packet_command cgc; int stat, attempts = 3, size = ATAPI_CAPABILITIES_PAGE_SIZE; - if ((info->cd_flags & IDE_CD_FLAG_FULL_CAPS_PAGE) == 0) + if ((drive->atapi_flags & IDE_AFLAG_FULL_CAPS_PAGE) == 0) size -= ATAPI_CAPABILITIES_PAGE_PAD_SIZE; init_cdrom_command(&cgc, buf, size, CGC_DATA_UNKNOWN); @@ -1530,15 +1526,12 @@ void ide_cdrom_update_speed(ide_drive_t *drive, u8 *buf) struct cdrom_info *cd = drive->driver_data; u16 curspeed, maxspeed; - curspeed = *(u16 *)&buf[8 + 14]; - maxspeed = *(u16 *)&buf[8 + 8]; - - if (cd->cd_flags & IDE_CD_FLAG_LE_SPEED_FIELDS) { - curspeed = le16_to_cpu(curspeed); - maxspeed = le16_to_cpu(maxspeed); + if (drive->atapi_flags & IDE_AFLAG_LE_SPEED_FIELDS) { + curspeed = le16_to_cpup((__le16 *)&buf[8 + 14]); + maxspeed = le16_to_cpup((__le16 *)&buf[8 + 8]); } else { - curspeed = be16_to_cpu(curspeed); - maxspeed = be16_to_cpu(maxspeed); + curspeed = be16_to_cpup((__be16 *)&buf[8 + 14]); + maxspeed = be16_to_cpup((__be16 *)&buf[8 + 8]); } cd->current_speed = (curspeed + (176/2)) / 176; @@ -1579,7 +1572,7 @@ static int ide_cdrom_register(ide_drive_t *drive, int nslots) devinfo->handle = drive; strcpy(devinfo->name, drive->name); - if (info->cd_flags & IDE_CD_FLAG_NO_SPEED_SELECT) + if (drive->atapi_flags & IDE_AFLAG_NO_SPEED_SELECT) devinfo->mask |= CDC_SELECT_SPEED; devinfo->disk = info->disk; @@ -1605,8 +1598,8 @@ static int ide_cdrom_probe_capabilities(ide_drive_t *drive) return nslots; } - if (cd->cd_flags & IDE_CD_FLAG_PRE_ATAPI12) { - cd->cd_flags &= ~IDE_CD_FLAG_NO_EJECT; + if (drive->atapi_flags & IDE_AFLAG_PRE_ATAPI12) { + drive->atapi_flags &= ~IDE_AFLAG_NO_EJECT; cdi->mask &= ~CDC_PLAY_AUDIO; return nslots; } @@ -1624,9 +1617,9 @@ static int ide_cdrom_probe_capabilities(ide_drive_t *drive) return 0; if ((buf[8 + 6] & 0x01) == 0) - cd->cd_flags |= IDE_CD_FLAG_NO_DOORLOCK; + drive->atapi_flags |= IDE_AFLAG_NO_DOORLOCK; if (buf[8 + 6] & 0x08) - cd->cd_flags &= ~IDE_CD_FLAG_NO_EJECT; + drive->atapi_flags &= ~IDE_AFLAG_NO_EJECT; if (buf[8 + 3] & 0x01) cdi->mask &= ~CDC_CD_R; if (buf[8 + 3] & 0x02) @@ -1637,7 +1630,7 @@ static int ide_cdrom_probe_capabilities(ide_drive_t *drive) cdi->mask &= ~(CDC_DVD_RAM | CDC_RAM); if (buf[8 + 3] & 0x10) cdi->mask &= ~CDC_DVD_R; - if ((buf[8 + 4] & 0x01) || (cd->cd_flags & IDE_CD_FLAG_PLAY_AUDIO_OK)) + if ((buf[8 + 4] & 0x01) || (drive->atapi_flags & IDE_AFLAG_PLAY_AUDIO_OK)) cdi->mask &= ~CDC_PLAY_AUDIO; mechtype = buf[8 + 6] >> 5; @@ -1679,7 +1672,7 @@ static int ide_cdrom_probe_capabilities(ide_drive_t *drive) else printk(KERN_CONT " drive"); - printk(KERN_CONT ", %dkB Cache\n", be16_to_cpu(*(u16 *)&buf[8 + 12])); + printk(KERN_CONT ", %dkB Cache\n", be16_to_cpup((__be16 *)&buf[8 + 12])); return nslots; } @@ -1802,43 +1795,43 @@ static inline void ide_cdrom_add_settings(ide_drive_t *drive) { ; } static const struct cd_list_entry ide_cd_quirks_list[] = { /* Limit transfer size per interrupt. */ - { "SAMSUNG CD-ROM SCR-2430", NULL, IDE_CD_FLAG_LIMIT_NFRAMES }, - { "SAMSUNG CD-ROM SCR-2432", NULL, IDE_CD_FLAG_LIMIT_NFRAMES }, + { "SAMSUNG CD-ROM SCR-2430", NULL, IDE_AFLAG_LIMIT_NFRAMES }, + { "SAMSUNG CD-ROM SCR-2432", NULL, IDE_AFLAG_LIMIT_NFRAMES }, /* SCR-3231 doesn't support the SET_CD_SPEED command. */ - { "SAMSUNG CD-ROM SCR-3231", NULL, IDE_CD_FLAG_NO_SPEED_SELECT }, + { "SAMSUNG CD-ROM SCR-3231", NULL, IDE_AFLAG_NO_SPEED_SELECT }, /* Old NEC260 (not R) was released before ATAPI 1.2 spec. */ - { "NEC CD-ROM DRIVE:260", "1.01", IDE_CD_FLAG_TOCADDR_AS_BCD | - IDE_CD_FLAG_PRE_ATAPI12, }, + { "NEC CD-ROM DRIVE:260", "1.01", IDE_AFLAG_TOCADDR_AS_BCD | + IDE_AFLAG_PRE_ATAPI12, }, /* Vertos 300, some versions of this drive like to talk BCD. */ - { "V003S0DS", NULL, IDE_CD_FLAG_VERTOS_300_SSD, }, + { "V003S0DS", NULL, IDE_AFLAG_VERTOS_300_SSD, }, /* Vertos 600 ESD. */ - { "V006E0DS", NULL, IDE_CD_FLAG_VERTOS_600_ESD, }, + { "V006E0DS", NULL, IDE_AFLAG_VERTOS_600_ESD, }, /* * Sanyo 3 CD changer uses a non-standard command for CD changing * (by default standard ATAPI support for CD changers is used). */ - { "CD-ROM CDR-C3 G", NULL, IDE_CD_FLAG_SANYO_3CD }, - { "CD-ROM CDR-C3G", NULL, IDE_CD_FLAG_SANYO_3CD }, - { "CD-ROM CDR_C36", NULL, IDE_CD_FLAG_SANYO_3CD }, + { "CD-ROM CDR-C3 G", NULL, IDE_AFLAG_SANYO_3CD }, + { "CD-ROM CDR-C3G", NULL, IDE_AFLAG_SANYO_3CD }, + { "CD-ROM CDR_C36", NULL, IDE_AFLAG_SANYO_3CD }, /* Stingray 8X CD-ROM. */ - { "STINGRAY 8422 IDE 8X CD-ROM 7-27-95", NULL, IDE_CD_FLAG_PRE_ATAPI12}, + { "STINGRAY 8422 IDE 8X CD-ROM 7-27-95", NULL, IDE_AFLAG_PRE_ATAPI12 }, /* * ACER 50X CD-ROM and WPI 32X CD-ROM require the full spec length * mode sense page capabilities size, but older drives break. */ - { "ATAPI CD ROM DRIVE 50X MAX", NULL, IDE_CD_FLAG_FULL_CAPS_PAGE }, - { "WPI CDS-32X", NULL, IDE_CD_FLAG_FULL_CAPS_PAGE }, + { "ATAPI CD ROM DRIVE 50X MAX", NULL, IDE_AFLAG_FULL_CAPS_PAGE }, + { "WPI CDS-32X", NULL, IDE_AFLAG_FULL_CAPS_PAGE }, /* ACER/AOpen 24X CD-ROM has the speed fields byte-swapped. */ - { "", "241N", IDE_CD_FLAG_LE_SPEED_FIELDS }, + { "", "241N", IDE_AFLAG_LE_SPEED_FIELDS }, /* * Some drives used by Apple don't advertise audio play * but they do support reading TOC & audio datas. */ - { "MATSHITADVD-ROM SR-8187", NULL, IDE_CD_FLAG_PLAY_AUDIO_OK }, - { "MATSHITADVD-ROM SR-8186", NULL, IDE_CD_FLAG_PLAY_AUDIO_OK }, - { "MATSHITADVD-ROM SR-8176", NULL, IDE_CD_FLAG_PLAY_AUDIO_OK }, - { "MATSHITADVD-ROM SR-8174", NULL, IDE_CD_FLAG_PLAY_AUDIO_OK }, - { "Optiarc DVD RW AD-5200A", NULL, IDE_CD_FLAG_PLAY_AUDIO_OK }, + { "MATSHITADVD-ROM SR-8187", NULL, IDE_AFLAG_PLAY_AUDIO_OK }, + { "MATSHITADVD-ROM SR-8186", NULL, IDE_AFLAG_PLAY_AUDIO_OK }, + { "MATSHITADVD-ROM SR-8176", NULL, IDE_AFLAG_PLAY_AUDIO_OK }, + { "MATSHITADVD-ROM SR-8174", NULL, IDE_AFLAG_PLAY_AUDIO_OK }, + { "Optiarc DVD RW AD-5200A", NULL, IDE_AFLAG_PLAY_AUDIO_OK }, { NULL, NULL, 0 } }; @@ -1873,20 +1866,20 @@ static int ide_cdrom_setup(ide_drive_t *drive) drive->special.all = 0; - cd->cd_flags = IDE_CD_FLAG_MEDIA_CHANGED | IDE_CD_FLAG_NO_EJECT | + drive->atapi_flags = IDE_AFLAG_MEDIA_CHANGED | IDE_AFLAG_NO_EJECT | ide_cd_flags(id); if ((id->config & 0x0060) == 0x20) - cd->cd_flags |= IDE_CD_FLAG_DRQ_INTERRUPT; + drive->atapi_flags |= IDE_AFLAG_DRQ_INTERRUPT; - if ((cd->cd_flags & IDE_CD_FLAG_VERTOS_300_SSD) && + if ((drive->atapi_flags & IDE_AFLAG_VERTOS_300_SSD) && id->fw_rev[4] == '1' && id->fw_rev[6] <= '2') - cd->cd_flags |= (IDE_CD_FLAG_TOCTRACKS_AS_BCD | - IDE_CD_FLAG_TOCADDR_AS_BCD); - else if ((cd->cd_flags & IDE_CD_FLAG_VERTOS_600_ESD) && + drive->atapi_flags |= (IDE_AFLAG_TOCTRACKS_AS_BCD | + IDE_AFLAG_TOCADDR_AS_BCD); + else if ((drive->atapi_flags & IDE_AFLAG_VERTOS_600_ESD) && id->fw_rev[4] == '1' && id->fw_rev[6] <= '2') - cd->cd_flags |= IDE_CD_FLAG_TOCTRACKS_AS_BCD; - else if (cd->cd_flags & IDE_CD_FLAG_SANYO_3CD) + drive->atapi_flags |= IDE_AFLAG_TOCTRACKS_AS_BCD; + else if (drive->atapi_flags & IDE_AFLAG_SANYO_3CD) /* 3 => use CD in slot 0 */ cdi->sanyo_slot = 3; diff --git a/drivers/ide/ide-cd.h b/drivers/ide/ide-cd.h index fe0ea36e412..61a4599b77d 100644 --- a/drivers/ide/ide-cd.h +++ b/drivers/ide/ide-cd.h @@ -27,42 +27,6 @@ #define ATAPI_CAPABILITIES_PAGE_SIZE (8 + 20) #define ATAPI_CAPABILITIES_PAGE_PAD_SIZE 4 -enum { - /* Device sends an interrupt when ready for a packet command. */ - IDE_CD_FLAG_DRQ_INTERRUPT = (1 << 0), - /* Drive cannot lock the door. */ - IDE_CD_FLAG_NO_DOORLOCK = (1 << 1), - /* Drive cannot eject the disc. */ - IDE_CD_FLAG_NO_EJECT = (1 << 2), - /* Drive is a pre ATAPI 1.2 drive. */ - IDE_CD_FLAG_PRE_ATAPI12 = (1 << 3), - /* TOC addresses are in BCD. */ - IDE_CD_FLAG_TOCADDR_AS_BCD = (1 << 4), - /* TOC track numbers are in BCD. */ - IDE_CD_FLAG_TOCTRACKS_AS_BCD = (1 << 5), - /* - * Drive does not provide data in multiples of SECTOR_SIZE - * when more than one interrupt is needed. - */ - IDE_CD_FLAG_LIMIT_NFRAMES = (1 << 6), - /* Seeking in progress. */ - IDE_CD_FLAG_SEEKING = (1 << 7), - /* Driver has noticed a media change. */ - IDE_CD_FLAG_MEDIA_CHANGED = (1 << 8), - /* Saved TOC information is current. */ - IDE_CD_FLAG_TOC_VALID = (1 << 9), - /* We think that the drive door is locked. */ - IDE_CD_FLAG_DOOR_LOCKED = (1 << 10), - /* SET_CD_SPEED command is unsupported. */ - IDE_CD_FLAG_NO_SPEED_SELECT = (1 << 11), - IDE_CD_FLAG_VERTOS_300_SSD = (1 << 12), - IDE_CD_FLAG_VERTOS_600_ESD = (1 << 13), - IDE_CD_FLAG_SANYO_3CD = (1 << 14), - IDE_CD_FLAG_FULL_CAPS_PAGE = (1 << 15), - IDE_CD_FLAG_PLAY_AUDIO_OK = (1 << 16), - IDE_CD_FLAG_LE_SPEED_FIELDS = (1 << 17), -}; - /* Structure of a MSF cdrom address. */ struct atapi_msf { byte reserved; @@ -128,8 +92,6 @@ struct cdrom_info { unsigned long last_block; unsigned long start_seek; - unsigned int cd_flags; - u8 max_speed; /* Max speed of the drive. */ u8 current_speed; /* Current speed of the drive. */ diff --git a/drivers/ide/ide-cd_ioctl.c b/drivers/ide/ide-cd_ioctl.c index 24d002addf7..74231b41f61 100644 --- a/drivers/ide/ide-cd_ioctl.c +++ b/drivers/ide/ide-cd_ioctl.c @@ -27,10 +27,9 @@ int ide_cdrom_open_real(struct cdrom_device_info *cdi, int purpose) void ide_cdrom_release_real(struct cdrom_device_info *cdi) { ide_drive_t *drive = cdi->handle; - struct cdrom_info *cd = drive->driver_data; if (!cdi->use_count) - cd->cd_flags &= ~IDE_CD_FLAG_TOC_VALID; + drive->atapi_flags &= ~IDE_AFLAG_TOC_VALID; } /* @@ -83,13 +82,12 @@ int ide_cdrom_check_media_change_real(struct cdrom_device_info *cdi, int slot_nr) { ide_drive_t *drive = cdi->handle; - struct cdrom_info *cd = drive->driver_data; int retval; if (slot_nr == CDSL_CURRENT) { (void) cdrom_check_status(drive, NULL); - retval = (cd->cd_flags & IDE_CD_FLAG_MEDIA_CHANGED) ? 1 : 0; - cd->cd_flags &= ~IDE_CD_FLAG_MEDIA_CHANGED; + retval = (drive->atapi_flags & IDE_AFLAG_MEDIA_CHANGED) ? 1 : 0; + drive->atapi_flags &= ~IDE_AFLAG_MEDIA_CHANGED; return retval; } else { return -EINVAL; @@ -107,11 +105,11 @@ int cdrom_eject(ide_drive_t *drive, int ejectflag, char loej = 0x02; unsigned char cmd[BLK_MAX_CDB]; - if ((cd->cd_flags & IDE_CD_FLAG_NO_EJECT) && !ejectflag) + if ((drive->atapi_flags & IDE_AFLAG_NO_EJECT) && !ejectflag) return -EDRIVE_CANT_DO_THIS; /* reload fails on some drives, if the tray is locked */ - if ((cd->cd_flags & IDE_CD_FLAG_DOOR_LOCKED) && ejectflag) + if ((drive->atapi_flags & IDE_AFLAG_DOOR_LOCKED) && ejectflag) return 0; /* only tell drive to close tray if open, if it can do that */ @@ -123,7 +121,7 @@ int cdrom_eject(ide_drive_t *drive, int ejectflag, cmd[0] = GPCMD_START_STOP_UNIT; cmd[4] = loej | (ejectflag != 0); - return ide_cd_queue_pc(drive, cmd, 0, NULL, 0, sense, 0, 0); + return ide_cd_queue_pc(drive, cmd, 0, NULL, NULL, sense, 0, 0); } /* Lock the door if LOCKFLAG is nonzero; unlock it otherwise. */ @@ -131,7 +129,6 @@ static int ide_cd_lockdoor(ide_drive_t *drive, int lockflag, struct request_sense *sense) { - struct cdrom_info *cd = drive->driver_data; struct request_sense my_sense; int stat; @@ -139,7 +136,7 @@ int ide_cd_lockdoor(ide_drive_t *drive, int lockflag, sense = &my_sense; /* If the drive cannot lock the door, just pretend. */ - if (cd->cd_flags & IDE_CD_FLAG_NO_DOORLOCK) { + if (drive->atapi_flags & IDE_AFLAG_NO_DOORLOCK) { stat = 0; } else { unsigned char cmd[BLK_MAX_CDB]; @@ -149,7 +146,7 @@ int ide_cd_lockdoor(ide_drive_t *drive, int lockflag, cmd[0] = GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL; cmd[4] = lockflag ? 1 : 0; - stat = ide_cd_queue_pc(drive, cmd, 0, NULL, 0, + stat = ide_cd_queue_pc(drive, cmd, 0, NULL, NULL, sense, 0, 0); } @@ -160,7 +157,7 @@ int ide_cd_lockdoor(ide_drive_t *drive, int lockflag, (sense->asc == 0x24 || sense->asc == 0x20)) { printk(KERN_ERR "%s: door locking not supported\n", drive->name); - cd->cd_flags |= IDE_CD_FLAG_NO_DOORLOCK; + drive->atapi_flags |= IDE_AFLAG_NO_DOORLOCK; stat = 0; } @@ -170,9 +167,9 @@ int ide_cd_lockdoor(ide_drive_t *drive, int lockflag, if (stat == 0) { if (lockflag) - cd->cd_flags |= IDE_CD_FLAG_DOOR_LOCKED; + drive->atapi_flags |= IDE_AFLAG_DOOR_LOCKED; else - cd->cd_flags &= ~IDE_CD_FLAG_DOOR_LOCKED; + drive->atapi_flags &= ~IDE_AFLAG_DOOR_LOCKED; } return stat; @@ -231,7 +228,7 @@ int ide_cdrom_select_speed(struct cdrom_device_info *cdi, int speed) cmd[5] = speed & 0xff; } - stat = ide_cd_queue_pc(drive, cmd, 0, NULL, 0, &sense, 0, 0); + stat = ide_cd_queue_pc(drive, cmd, 0, NULL, NULL, &sense, 0, 0); if (!ide_cdrom_get_capabilities(drive, buf)) { ide_cdrom_update_speed(drive, buf); @@ -250,7 +247,7 @@ int ide_cdrom_get_last_session(struct cdrom_device_info *cdi, struct request_sense sense; int ret; - if ((info->cd_flags & IDE_CD_FLAG_TOC_VALID) == 0 || !info->toc) { + if ((drive->atapi_flags & IDE_AFLAG_TOC_VALID) == 0 || !info->toc) { ret = ide_cd_read_toc(drive, &sense); if (ret) return ret; @@ -308,7 +305,7 @@ int ide_cdrom_reset(struct cdrom_device_info *cdi) * A reset will unlock the door. If it was previously locked, * lock it again. */ - if (cd->cd_flags & IDE_CD_FLAG_DOOR_LOCKED) + if (drive->atapi_flags & IDE_AFLAG_DOOR_LOCKED) (void)ide_cd_lockdoor(drive, 1, &sense); return ret; @@ -324,7 +321,7 @@ static int ide_cd_get_toc_entry(ide_drive_t *drive, int track, /* * don't serve cached data, if the toc isn't valid */ - if ((info->cd_flags & IDE_CD_FLAG_TOC_VALID) == 0) + if ((drive->atapi_flags & IDE_AFLAG_TOC_VALID) == 0) return -EINVAL; /* Check validity of requested track number. */ @@ -374,7 +371,7 @@ static int ide_cd_fake_play_trkind(ide_drive_t *drive, void *arg) 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, cmd, 0, NULL, 0, &sense, 0, 0); + return ide_cd_queue_pc(drive, cmd, 0, NULL, NULL, &sense, 0, 0); } static int ide_cd_read_tochdr(ide_drive_t *drive, void *arg) diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 3a2e80237c1..df5fe575687 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -158,7 +158,7 @@ static void ide_tf_set_cmd(ide_drive_t *drive, ide_task_t *task, u8 dma) write = (task->tf_flags & IDE_TFLAG_WRITE) ? 1 : 0; if (dma) - index = drive->vdma ? 4 : 8; + index = 8; else index = drive->mult_count ? 0 : 4; diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index 7ee44f86bc5..be99d463dcc 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -100,10 +100,11 @@ static const struct drive_list_entry drive_blacklist [] = { ide_startstop_t ide_dma_intr (ide_drive_t *drive) { + ide_hwif_t *hwif = drive->hwif; u8 stat = 0, dma_stat = 0; - dma_stat = drive->hwif->dma_ops->dma_end(drive); - stat = ide_read_status(drive); + dma_stat = hwif->dma_ops->dma_end(drive); + stat = hwif->tp_ops->read_status(hwif); if (OK_STAT(stat,DRIVE_READY,drive->bad_wstat|DRQ_STAT)) { if (!dma_stat) { @@ -334,7 +335,7 @@ static int config_drive_for_dma (ide_drive_t *drive) static int dma_timer_expiry (ide_drive_t *drive) { ide_hwif_t *hwif = HWIF(drive); - u8 dma_stat = hwif->INB(hwif->dma_status); + u8 dma_stat = hwif->tp_ops->read_sff_dma_status(hwif); printk(KERN_WARNING "%s: dma_timer_expiry: dma status == 0x%02x\n", drive->name, dma_stat); @@ -369,14 +370,18 @@ void ide_dma_host_set(ide_drive_t *drive, int on) { ide_hwif_t *hwif = HWIF(drive); u8 unit = (drive->select.b.unit & 0x01); - u8 dma_stat = hwif->INB(hwif->dma_status); + u8 dma_stat = hwif->tp_ops->read_sff_dma_status(hwif); if (on) dma_stat |= (1 << (5 + unit)); else dma_stat &= ~(1 << (5 + unit)); - hwif->OUTB(dma_stat, hwif->dma_status); + if (hwif->host_flags & IDE_HFLAG_MMIO) + writeb(dma_stat, + (void __iomem *)(hwif->dma_base + ATA_DMA_STATUS)); + else + outb(dma_stat, hwif->dma_base + ATA_DMA_STATUS); } EXPORT_SYMBOL_GPL(ide_dma_host_set); @@ -449,6 +454,7 @@ int ide_dma_setup(ide_drive_t *drive) ide_hwif_t *hwif = drive->hwif; struct request *rq = HWGROUP(drive)->rq; unsigned int reading; + u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0; u8 dma_stat; if (rq_data_dir(rq)) @@ -470,13 +476,21 @@ int ide_dma_setup(ide_drive_t *drive) outl(hwif->dmatable_dma, hwif->dma_base + ATA_DMA_TABLE_OFS); /* specify r/w */ - hwif->OUTB(reading, hwif->dma_command); + if (mmio) + writeb(reading, (void __iomem *)(hwif->dma_base + ATA_DMA_CMD)); + else + outb(reading, hwif->dma_base + ATA_DMA_CMD); - /* read dma_status for INTR & ERROR flags */ - dma_stat = hwif->INB(hwif->dma_status); + /* read DMA status for INTR & ERROR flags */ + dma_stat = hwif->tp_ops->read_sff_dma_status(hwif); /* clear INTR & ERROR flags */ - hwif->OUTB(dma_stat|6, hwif->dma_status); + if (mmio) + writeb(dma_stat | 6, + (void __iomem *)(hwif->dma_base + ATA_DMA_STATUS)); + else + outb(dma_stat | 6, hwif->dma_base + ATA_DMA_STATUS); + drive->waiting_for_dma = 1; return 0; } @@ -492,16 +506,24 @@ EXPORT_SYMBOL_GPL(ide_dma_exec_cmd); void ide_dma_start(ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); - u8 dma_cmd = hwif->INB(hwif->dma_command); + ide_hwif_t *hwif = drive->hwif; + u8 dma_cmd; /* Note that this is done *after* the cmd has * been issued to the drive, as per the BM-IDE spec. * The Promise Ultra33 doesn't work correctly when * we do this part before issuing the drive cmd. */ - /* start DMA */ - hwif->OUTB(dma_cmd|1, hwif->dma_command); + if (hwif->host_flags & IDE_HFLAG_MMIO) { + dma_cmd = readb((void __iomem *)(hwif->dma_base + ATA_DMA_CMD)); + /* start DMA */ + writeb(dma_cmd | 1, + (void __iomem *)(hwif->dma_base + ATA_DMA_CMD)); + } else { + dma_cmd = inb(hwif->dma_base + ATA_DMA_CMD); + outb(dma_cmd | 1, hwif->dma_base + ATA_DMA_CMD); + } + hwif->dma = 1; wmb(); } @@ -511,18 +533,33 @@ EXPORT_SYMBOL_GPL(ide_dma_start); /* returns 1 on error, 0 otherwise */ int __ide_dma_end (ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); + ide_hwif_t *hwif = drive->hwif; + u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0; u8 dma_stat = 0, dma_cmd = 0; drive->waiting_for_dma = 0; - /* get dma_command mode */ - dma_cmd = hwif->INB(hwif->dma_command); - /* stop DMA */ - hwif->OUTB(dma_cmd&~1, hwif->dma_command); + + if (mmio) { + /* get DMA command mode */ + dma_cmd = readb((void __iomem *)(hwif->dma_base + ATA_DMA_CMD)); + /* stop DMA */ + writeb(dma_cmd & ~1, + (void __iomem *)(hwif->dma_base + ATA_DMA_CMD)); + } else { + dma_cmd = inb(hwif->dma_base + ATA_DMA_CMD); + outb(dma_cmd & ~1, hwif->dma_base + ATA_DMA_CMD); + } + /* get DMA status */ - dma_stat = hwif->INB(hwif->dma_status); - /* clear the INTR & ERROR bits */ - hwif->OUTB(dma_stat|6, hwif->dma_status); + dma_stat = hwif->tp_ops->read_sff_dma_status(hwif); + + if (mmio) + /* clear the INTR & ERROR bits */ + writeb(dma_stat | 6, + (void __iomem *)(hwif->dma_base + ATA_DMA_STATUS)); + else + outb(dma_stat | 6, hwif->dma_base + ATA_DMA_STATUS); + /* purge DMA mappings */ ide_destroy_dmatable(drive); /* verify good DMA status */ @@ -537,7 +574,7 @@ EXPORT_SYMBOL(__ide_dma_end); int ide_dma_test_irq(ide_drive_t *drive) { ide_hwif_t *hwif = HWIF(drive); - u8 dma_stat = hwif->INB(hwif->dma_status); + u8 dma_stat = hwif->tp_ops->read_sff_dma_status(hwif); /* return 1 if INTR asserted */ if ((dma_stat & 4) == 4) @@ -719,9 +756,8 @@ static int ide_tune_dma(ide_drive_t *drive) static int ide_dma_check(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; - int vdma = (hwif->host_flags & IDE_HFLAG_VDMA)? 1 : 0; - if (!vdma && ide_tune_dma(drive)) + if (ide_tune_dma(drive)) return 0; /* TODO: always do PIO fallback */ @@ -730,7 +766,7 @@ static int ide_dma_check(ide_drive_t *drive) ide_set_max_pio(drive); - return vdma ? 0 : -1; + return -1; } int ide_id_dma_bug(ide_drive_t *drive) @@ -842,7 +878,7 @@ int ide_allocate_dma_engine(ide_hwif_t *hwif) } EXPORT_SYMBOL_GPL(ide_allocate_dma_engine); -static const struct ide_dma_ops sff_dma_ops = { +const struct ide_dma_ops sff_dma_ops = { .dma_host_set = ide_dma_host_set, .dma_setup = ide_dma_setup, .dma_exec_cmd = ide_dma_exec_cmd, @@ -852,18 +888,5 @@ static const struct ide_dma_ops sff_dma_ops = { .dma_timeout = ide_dma_timeout, .dma_lost_irq = ide_dma_lost_irq, }; - -void ide_setup_dma(ide_hwif_t *hwif, unsigned long base) -{ - hwif->dma_base = base; - - if (!hwif->dma_command) - hwif->dma_command = hwif->dma_base + 0; - if (!hwif->dma_status) - hwif->dma_status = hwif->dma_base + 2; - - hwif->dma_ops = &sff_dma_ops; -} - -EXPORT_SYMBOL_GPL(ide_setup_dma); +EXPORT_SYMBOL_GPL(sff_dma_ops); #endif /* CONFIG_BLK_DEV_IDEDMA_SFF */ diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 011d72011cc..3d8e6dd0f41 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -125,26 +125,10 @@ typedef struct ide_floppy_obj { int wp; /* Supports format progress report */ int srfp; - /* Status/Action flags */ - unsigned long flags; } idefloppy_floppy_t; #define IDEFLOPPY_TICKS_DELAY HZ/20 /* default delay for ZIP 100 (50ms) */ -/* Floppy flag bits values. */ -enum { - /* DRQ interrupt device */ - IDEFLOPPY_FLAG_DRQ_INTERRUPT = (1 << 0), - /* Media may have changed */ - IDEFLOPPY_FLAG_MEDIA_CHANGED = (1 << 1), - /* Format in progress */ - IDEFLOPPY_FLAG_FORMAT_IN_PROGRESS = (1 << 2), - /* Avoid commands not supported in Clik drive */ - IDEFLOPPY_FLAG_CLIK_DRIVE = (1 << 3), - /* Requires BH algorithm for packets */ - IDEFLOPPY_FLAG_ZIP_DRIVE = (1 << 4), -}; - /* Defines for the MODE SENSE command */ #define MODE_SENSE_CURRENT 0x00 #define MODE_SENSE_CHANGEABLE 0x01 @@ -247,9 +231,9 @@ static void ide_floppy_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc, data = bvec_kmap_irq(bvec, &flags); if (direction) - hwif->output_data(drive, NULL, data, count); + hwif->tp_ops->output_data(drive, NULL, data, count); else - hwif->input_data(drive, NULL, data, count); + hwif->tp_ops->input_data(drive, NULL, data, count); bvec_kunmap_irq(data, &flags); bcount -= count; @@ -291,6 +275,7 @@ static void idefloppy_queue_pc_head(ide_drive_t *drive, struct ide_atapi_pc *pc, rq->cmd_type = REQ_TYPE_SPECIAL; rq->cmd_flags |= REQ_PREEMPT; rq->rq_disk = floppy->disk; + memcpy(rq->cmd, pc->c, 12); ide_do_drive_cmd(drive, rq); } @@ -354,7 +339,6 @@ static void idefloppy_init_pc(struct ide_atapi_pc *pc) memset(pc, 0, sizeof(*pc)); pc->buf = pc->pc_buf; pc->buf_size = IDEFLOPPY_PC_BUFFER_SIZE; - pc->callback = ide_floppy_callback; } static void idefloppy_create_request_sense_cmd(struct ide_atapi_pc *pc) @@ -402,7 +386,7 @@ static int idefloppy_transfer_pc(ide_drive_t *drive) idefloppy_floppy_t *floppy = drive->driver_data; /* Send the actual packet */ - drive->hwif->output_data(drive, NULL, floppy->pc->c, 12); + drive->hwif->tp_ops->output_data(drive, NULL, floppy->pc->c, 12); /* Timeout for the packet command */ return IDEFLOPPY_WAIT_CMD; @@ -429,7 +413,7 @@ static ide_startstop_t idefloppy_start_pc_transfer(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) { + if (drive->atapi_flags & IDE_AFLAG_ZIP_DRIVE) { timeout = floppy->ticks; expiry = &idefloppy_transfer_pc; } else { @@ -474,7 +458,7 @@ static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive, pc->error = IDEFLOPPY_ERROR_GENERAL; floppy->failed_pc = NULL; - pc->callback(drive); + drive->pc_callback(drive); return ide_stopped; } @@ -574,6 +558,8 @@ 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]); + memcpy(rq->cmd, pc->c, 12); + pc->rq = rq; pc->b_count = cmd == READ ? 0 : rq->bio->bi_size; if (rq->cmd_flags & REQ_RW) @@ -647,12 +633,6 @@ 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); @@ -671,6 +651,7 @@ static int idefloppy_queue_pc_tail(ide_drive_t *drive, struct ide_atapi_pc *pc) rq = blk_get_request(drive->queue, READ, __GFP_WAIT); rq->buffer = (char *) pc; rq->cmd_type = REQ_TYPE_SPECIAL; + memcpy(rq->cmd, pc->c, 12); error = blk_execute_rq(drive->queue, floppy->disk, rq, 0); blk_put_request(rq); @@ -795,7 +776,7 @@ static int ide_floppy_get_capacity(ide_drive_t *drive) switch (pc.buf[desc_start + 4] & 0x03) { /* Clik! drive returns this instead of CAPACITY_CURRENT */ case CAPACITY_UNFORMATTED: - if (!(floppy->flags & IDEFLOPPY_FLAG_CLIK_DRIVE)) + if (!(drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE)) /* * If it is not a clik drive, break out * (maintains previous driver behaviour) @@ -841,7 +822,7 @@ static int ide_floppy_get_capacity(ide_drive_t *drive) } /* Clik! disk does not support get_flexible_disk_page */ - if (!(floppy->flags & IDEFLOPPY_FLAG_CLIK_DRIVE)) + if (!(drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE)) (void) ide_floppy_get_flexible_disk_page(drive); set_capacity(floppy->disk, floppy->blocks * floppy->bs_factor); @@ -949,11 +930,12 @@ static int idefloppy_get_format_progress(ide_drive_t *drive, int __user *arg) /* Else assume format_unit has finished, and we're at 0x10000 */ } else { + ide_hwif_t *hwif = drive->hwif; unsigned long flags; u8 stat; local_irq_save(flags); - stat = ide_read_status(drive); + stat = hwif->tp_ops->read_status(hwif); local_irq_restore(flags); progress_indication = ((stat & SEEK_STAT) == 0) ? 0 : 0x10000; @@ -1039,9 +1021,10 @@ static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy) *((u16 *) &gcw) = drive->id->config; floppy->pc = floppy->pc_stack; + drive->pc_callback = ide_floppy_callback; if (((gcw[0] & 0x60) >> 5) == 1) - floppy->flags |= IDEFLOPPY_FLAG_DRQ_INTERRUPT; + drive->atapi_flags |= IDE_AFLAG_DRQ_INTERRUPT; /* * We used to check revisions here. At this point however I'm giving up. * Just assume they are all broken, its easier. @@ -1052,7 +1035,7 @@ static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy) * we'll leave the limitation below for the 2.2.x tree. */ if (!strncmp(drive->id->model, "IOMEGA ZIP 100 ATAPI", 20)) { - floppy->flags |= IDEFLOPPY_FLAG_ZIP_DRIVE; + drive->atapi_flags |= IDE_AFLAG_ZIP_DRIVE; /* This value will be visible in the /proc/ide/hdx/settings */ floppy->ticks = IDEFLOPPY_TICKS_DELAY; blk_queue_max_sectors(drive->queue, 64); @@ -1064,7 +1047,7 @@ static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy) */ if (strncmp(drive->id->model, "IOMEGA Clik!", 11) == 0) { blk_queue_max_sectors(drive->queue, 64); - floppy->flags |= IDEFLOPPY_FLAG_CLIK_DRIVE; + drive->atapi_flags |= IDE_AFLAG_CLIK_DRIVE; } (void) ide_floppy_get_capacity(drive); @@ -1153,7 +1136,7 @@ static int idefloppy_open(struct inode *inode, struct file *filp) floppy->openers++; if (floppy->openers == 1) { - floppy->flags &= ~IDEFLOPPY_FLAG_FORMAT_IN_PROGRESS; + drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS; /* Just in case */ idefloppy_init_pc(&pc); @@ -1180,14 +1163,14 @@ static int idefloppy_open(struct inode *inode, struct file *filp) ret = -EROFS; goto out_put_floppy; } - floppy->flags |= IDEFLOPPY_FLAG_MEDIA_CHANGED; + drive->atapi_flags |= IDE_AFLAG_MEDIA_CHANGED; /* IOMEGA Clik! drives do not support lock/unlock commands */ - if (!(floppy->flags & IDEFLOPPY_FLAG_CLIK_DRIVE)) { + if (!(drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE)) { idefloppy_create_prevent_cmd(&pc, 1); (void) idefloppy_queue_pc_tail(drive, &pc); } check_disk_change(inode->i_bdev); - } else if (floppy->flags & IDEFLOPPY_FLAG_FORMAT_IN_PROGRESS) { + } else if (drive->atapi_flags & IDE_AFLAG_FORMAT_IN_PROGRESS) { ret = -EBUSY; goto out_put_floppy; } @@ -1210,12 +1193,12 @@ static int idefloppy_release(struct inode *inode, struct file *filp) if (floppy->openers == 1) { /* IOMEGA Clik! drives do not support lock/unlock commands */ - if (!(floppy->flags & IDEFLOPPY_FLAG_CLIK_DRIVE)) { + if (!(drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE)) { idefloppy_create_prevent_cmd(&pc, 0); (void) idefloppy_queue_pc_tail(drive, &pc); } - floppy->flags &= ~IDEFLOPPY_FLAG_FORMAT_IN_PROGRESS; + drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS; } floppy->openers--; @@ -1236,15 +1219,17 @@ static int idefloppy_getgeo(struct block_device *bdev, struct hd_geometry *geo) return 0; } -static int ide_floppy_lockdoor(idefloppy_floppy_t *floppy, - struct ide_atapi_pc *pc, unsigned long arg, unsigned int cmd) +static int ide_floppy_lockdoor(ide_drive_t *drive, struct ide_atapi_pc *pc, + unsigned long arg, unsigned int cmd) { + idefloppy_floppy_t *floppy = drive->driver_data; + if (floppy->openers > 1) return -EBUSY; /* The IOMEGA Clik! Drive doesn't support this command - * no room for an eject mechanism */ - if (!(floppy->flags & IDEFLOPPY_FLAG_CLIK_DRIVE)) { + if (!(drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE)) { int prevent = arg ? 1 : 0; if (cmd == CDROMEJECT) @@ -1265,16 +1250,17 @@ static int ide_floppy_lockdoor(idefloppy_floppy_t *floppy, static int ide_floppy_format_unit(idefloppy_floppy_t *floppy, int __user *arg) { - int blocks, length, flags, err = 0; struct ide_atapi_pc pc; + ide_drive_t *drive = floppy->drive; + int blocks, length, flags, err = 0; if (floppy->openers > 1) { /* Don't format if someone is using the disk */ - floppy->flags &= ~IDEFLOPPY_FLAG_FORMAT_IN_PROGRESS; + drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS; return -EBUSY; } - floppy->flags |= IDEFLOPPY_FLAG_FORMAT_IN_PROGRESS; + drive->atapi_flags |= IDE_AFLAG_FORMAT_IN_PROGRESS; /* * Send ATAPI_FORMAT_UNIT to the drive. @@ -1298,15 +1284,15 @@ static int ide_floppy_format_unit(idefloppy_floppy_t *floppy, goto out; } - (void) idefloppy_get_sfrp_bit(floppy->drive); + (void) idefloppy_get_sfrp_bit(drive); idefloppy_create_format_unit_cmd(&pc, blocks, length, flags); - if (idefloppy_queue_pc_tail(floppy->drive, &pc)) + if (idefloppy_queue_pc_tail(drive, &pc)) err = -EIO; out: if (err) - floppy->flags &= ~IDEFLOPPY_FLAG_FORMAT_IN_PROGRESS; + drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS; return err; } @@ -1325,7 +1311,7 @@ static int idefloppy_ioctl(struct inode *inode, struct file *file, case CDROMEJECT: /* fall through */ case CDROM_LOCKDOOR: - return ide_floppy_lockdoor(floppy, &pc, arg, cmd); + return ide_floppy_lockdoor(drive, &pc, arg, cmd); case IDEFLOPPY_IOCTL_FORMAT_SUPPORTED: return 0; case IDEFLOPPY_IOCTL_FORMAT_GET_CAPACITY: @@ -1366,8 +1352,8 @@ static int idefloppy_media_changed(struct gendisk *disk) drive->attach = 0; return 0; } - ret = !!(floppy->flags & IDEFLOPPY_FLAG_MEDIA_CHANGED); - floppy->flags &= ~IDEFLOPPY_FLAG_MEDIA_CHANGED; + ret = !!(drive->atapi_flags & IDE_AFLAG_MEDIA_CHANGED); + drive->atapi_flags &= ~IDE_AFLAG_MEDIA_CHANGED; return ret; } diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c index 2d92214096a..31d98fec775 100644 --- a/drivers/ide/ide-generic.c +++ b/drivers/ide/ide-generic.c @@ -28,29 +28,21 @@ 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; unsigned int base, ctl; - int irq; - hw_regs_t hw; - u8 idx[] = { 0xff, 0xff, 0xff, 0xff }; + int irq, rc; + hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; if (sscanf(buf, "%x:%x:%d", &base, &ctl, &irq) != 3) return -EINVAL; - hwif = ide_find_port(); - if (hwif == NULL) - return -ENOENT; - memset(&hw, 0, sizeof(hw)); ide_std_init_ports(&hw, base, ctl); hw.irq = irq; hw.chipset = ide_generic; - ide_init_port_hw(hwif, &hw); - - idx[0] = hwif->index; - - ide_device_add(idx, NULL); + rc = ide_host_add(NULL, hws, NULL); + if (rc) + return rc; return n; }; @@ -90,18 +82,18 @@ static int __init ide_generic_sysfs_init(void) static int __init ide_generic_init(void) { - u8 idx[MAX_HWIFS]; - int i; + hw_regs_t hw[MAX_HWIFS], *hws[MAX_HWIFS]; + struct ide_host *host; + unsigned long io_addr; + int i, rc; 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); - hw_regs_t hw; + io_addr = ide_default_io_base(i); - idx[i] = 0xff; + hws[i] = NULL; if ((probe_mask & (1 << i)) && io_addr) { if (!request_region(io_addr, 8, DRV_NAME)) { @@ -119,33 +111,42 @@ static int __init ide_generic_init(void) continue; } - /* - * Skip probing if the corresponding - * slot is already occupied. - */ - hwif = ide_find_port(); - if (hwif == NULL || hwif->index != i) { - idx[i] = 0xff; - continue; - } - - 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); + memset(&hw[i], 0, sizeof(hw[i])); + ide_std_init_ports(&hw[i], io_addr, io_addr + 0x206); + hw[i].irq = ide_default_irq(io_addr); + hw[i].chipset = ide_generic; - idx[i] = i; + hws[i] = &hw[i]; } } - ide_device_add_all(idx, NULL); + host = ide_host_alloc_all(NULL, hws); + if (host == NULL) { + rc = -ENOMEM; + goto err; + } + + rc = ide_host_register(host, NULL, hws); + if (rc) + goto err_free; if (ide_generic_sysfs_init()) printk(KERN_ERR DRV_NAME ": failed to create ide_generic " "class\n"); return 0; +err_free: + ide_host_free(host); +err: + for (i = 0; i < MAX_HWIFS; i++) { + if (hws[i] == NULL) + continue; + + io_addr = hws[i]->io_ports.data_addr; + release_region(io_addr + 0x206, 1); + release_region(io_addr, 8); + } + return rc; } module_init(ide_generic_init); diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index 661b75a89d4..a896a283f27 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -330,7 +330,7 @@ void ide_end_drive_cmd (ide_drive_t *drive, u8 stat, u8 err) tf->error = err; tf->status = stat; - drive->hwif->tf_read(drive, task); + drive->hwif->tp_ops->tf_read(drive, task); if (task->tf_flags & IDE_TFLAG_DYN) kfree(task); @@ -381,8 +381,7 @@ static ide_startstop_t ide_ata_error(ide_drive_t *drive, struct request *rq, u8 if (err == ABRT_ERR) { if (drive->select.b.lba && /* some newer drives don't support WIN_SPECIFY */ - hwif->INB(hwif->io_ports.command_addr) == - WIN_SPECIFY) + hwif->tp_ops->read_status(hwif) == WIN_SPECIFY) return ide_stopped; } else if ((err & BAD_CRC) == BAD_CRC) { /* UDMA crc error, just retry the operation */ @@ -408,7 +407,7 @@ static ide_startstop_t ide_ata_error(ide_drive_t *drive, struct request *rq, u8 return ide_stopped; } - if (ide_read_status(drive) & (BUSY_STAT | DRQ_STAT)) + if (hwif->tp_ops->read_status(hwif) & (BUSY_STAT | DRQ_STAT)) rq->errors |= ERROR_RESET; if ((rq->errors & ERROR_RESET) == ERROR_RESET) { @@ -435,10 +434,9 @@ static ide_startstop_t ide_atapi_error(ide_drive_t *drive, struct request *rq, u /* add decoding error stuff */ } - if (ide_read_status(drive) & (BUSY_STAT | DRQ_STAT)) + if (hwif->tp_ops->read_status(hwif) & (BUSY_STAT | DRQ_STAT)) /* force an abort */ - hwif->OUTBSYNC(hwif, WIN_IDLEIMMEDIATE, - hwif->io_ports.command_addr); + hwif->tp_ops->exec_command(hwif, WIN_IDLEIMMEDIATE); if (rq->errors >= ERROR_MAX) { ide_kill_rq(drive, rq); @@ -712,7 +710,8 @@ static ide_startstop_t execute_drive_cmd (ide_drive_t *drive, #ifdef DEBUG printk("%s: DRIVE_CMD (null)\n", drive->name); #endif - ide_end_drive_cmd(drive, ide_read_status(drive), ide_read_error(drive)); + ide_end_drive_cmd(drive, hwif->tp_ops->read_status(hwif), + ide_read_error(drive)); return ide_stopped; } @@ -747,16 +746,17 @@ static void ide_check_pm_state(ide_drive_t *drive, struct request *rq) * the bus may be broken enough to walk on our toes at this * point. */ + ide_hwif_t *hwif = drive->hwif; int rc; #ifdef DEBUG_PM printk("%s: Wakeup request inited, waiting for !BSY...\n", drive->name); #endif - rc = ide_wait_not_busy(HWIF(drive), 35000); + rc = ide_wait_not_busy(hwif, 35000); if (rc) printk(KERN_WARNING "%s: bus not ready on wakeup\n", drive->name); SELECT_DRIVE(drive); - ide_set_irq(drive, 1); - rc = ide_wait_not_busy(HWIF(drive), 100000); + hwif->tp_ops->set_irq(hwif, 1); + rc = ide_wait_not_busy(hwif, 100000); if (rc) printk(KERN_WARNING "%s: drive not ready on wakeup\n", drive->name); } @@ -1042,7 +1042,7 @@ static void ide_do_request (ide_hwgroup_t *hwgroup, int masked_irq) * quirk_list may not like intr setups/cleanups */ if (drive->quirk_list != 1) - ide_set_irq(drive, 0); + hwif->tp_ops->set_irq(hwif, 0); } hwgroup->hwif = hwif; hwgroup->drive = drive; @@ -1142,7 +1142,7 @@ static ide_startstop_t ide_dma_timeout_retry(ide_drive_t *drive, int error) printk(KERN_WARNING "%s: DMA timeout error\n", drive->name); (void)hwif->dma_ops->dma_end(drive); ret = ide_error(drive, "dma timeout error", - ide_read_status(drive)); + hwif->tp_ops->read_status(hwif)); } else { printk(KERN_WARNING "%s: DMA timeout retry\n", drive->name); hwif->dma_ops->dma_timeout(drive); @@ -1267,7 +1267,7 @@ void ide_timer_expiry (unsigned long data) } else startstop = ide_error(drive, "irq timeout", - ide_read_status(drive)); + hwif->tp_ops->read_status(hwif)); } drive->service_time = jiffies - drive->service_start; spin_lock_irq(&ide_lock); @@ -1323,7 +1323,8 @@ static void unexpected_intr (int irq, ide_hwgroup_t *hwgroup) */ do { if (hwif->irq == irq) { - stat = hwif->INB(hwif->io_ports.status_addr); + stat = hwif->tp_ops->read_status(hwif); + if (!OK_STAT(stat, READY_STAT, BAD_STAT)) { /* Try to not flood the console with msgs */ static unsigned long last_msgtime, count; @@ -1413,7 +1414,7 @@ irqreturn_t ide_intr (int irq, void *dev_id) * Whack the status register, just in case * we have a leftover pending IRQ. */ - (void) hwif->INB(hwif->io_ports.status_addr); + (void)hwif->tp_ops->read_status(hwif); #endif /* CONFIG_BLK_DEV_IDEPCI */ } spin_unlock_irqrestore(&ide_lock, flags); @@ -1519,6 +1520,7 @@ EXPORT_SYMBOL(ide_do_drive_cmd); void ide_pktcmd_tf_load(ide_drive_t *drive, u32 tf_flags, u16 bcount, u8 dma) { + ide_hwif_t *hwif = drive->hwif; ide_task_t task; memset(&task, 0, sizeof(task)); @@ -1529,9 +1531,9 @@ 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); + hwif->tp_ops->set_irq(hwif, 1); SELECT_MASK(drive, 0); - drive->hwif->tf_load(drive, &task); + hwif->tp_ops->tf_load(drive, &task); } EXPORT_SYMBOL_GPL(ide_pktcmd_tf_load); @@ -1543,9 +1545,9 @@ void ide_pad_transfer(ide_drive_t *drive, int write, int len) while (len > 0) { if (write) - hwif->output_data(drive, NULL, buf, min(4, len)); + hwif->tp_ops->output_data(drive, NULL, buf, min(4, len)); else - hwif->input_data(drive, NULL, buf, min(4, len)); + hwif->tp_ops->input_data(drive, NULL, buf, min(4, len)); len -= 4; } } diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index 44aaec256a3..07da5fb9eaf 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -42,18 +42,6 @@ static void ide_outb (u8 val, unsigned long port) outb(val, port); } -static void ide_outbsync(ide_hwif_t *hwif, u8 addr, unsigned long port) -{ - outb(addr, port); -} - -void default_hwif_iops (ide_hwif_t *hwif) -{ - hwif->OUTB = ide_outb; - hwif->OUTBSYNC = ide_outbsync; - hwif->INB = ide_inb; -} - /* * MMIO operations, typically used for SATA controllers */ @@ -68,31 +56,19 @@ static void ide_mm_outb (u8 value, unsigned long port) writeb(value, (void __iomem *) port); } -static void ide_mm_outbsync(ide_hwif_t *hwif, u8 value, unsigned long port) -{ - writeb(value, (void __iomem *) port); -} - -void default_hwif_mmiops (ide_hwif_t *hwif) -{ - hwif->OUTB = ide_mm_outb; - /* Most systems will need to override OUTBSYNC, alas however - this one is controller specific! */ - hwif->OUTBSYNC = ide_mm_outbsync; - hwif->INB = ide_mm_inb; -} - -EXPORT_SYMBOL(default_hwif_mmiops); - void SELECT_DRIVE (ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; const struct ide_port_ops *port_ops = hwif->port_ops; + ide_task_t task; if (port_ops && port_ops->selectproc) port_ops->selectproc(drive); - hwif->OUTB(drive->select.all, hwif->io_ports.device_addr); + memset(&task, 0, sizeof(task)); + task.tf_flags = IDE_TFLAG_OUT_DEVICE; + + drive->hwif->tp_ops->tf_load(drive, &task); } void SELECT_MASK(ide_drive_t *drive, int mask) @@ -103,7 +79,61 @@ void SELECT_MASK(ide_drive_t *drive, int mask) port_ops->maskproc(drive, mask); } -static void ide_tf_load(ide_drive_t *drive, ide_task_t *task) +void ide_exec_command(ide_hwif_t *hwif, u8 cmd) +{ + if (hwif->host_flags & IDE_HFLAG_MMIO) + writeb(cmd, (void __iomem *)hwif->io_ports.command_addr); + else + outb(cmd, hwif->io_ports.command_addr); +} +EXPORT_SYMBOL_GPL(ide_exec_command); + +u8 ide_read_status(ide_hwif_t *hwif) +{ + if (hwif->host_flags & IDE_HFLAG_MMIO) + return readb((void __iomem *)hwif->io_ports.status_addr); + else + return inb(hwif->io_ports.status_addr); +} +EXPORT_SYMBOL_GPL(ide_read_status); + +u8 ide_read_altstatus(ide_hwif_t *hwif) +{ + if (hwif->host_flags & IDE_HFLAG_MMIO) + return readb((void __iomem *)hwif->io_ports.ctl_addr); + else + return inb(hwif->io_ports.ctl_addr); +} +EXPORT_SYMBOL_GPL(ide_read_altstatus); + +u8 ide_read_sff_dma_status(ide_hwif_t *hwif) +{ + if (hwif->host_flags & IDE_HFLAG_MMIO) + return readb((void __iomem *)(hwif->dma_base + ATA_DMA_STATUS)); + else + return inb(hwif->dma_base + ATA_DMA_STATUS); +} +EXPORT_SYMBOL_GPL(ide_read_sff_dma_status); + +void ide_set_irq(ide_hwif_t *hwif, int on) +{ + u8 ctl = ATA_DEVCTL_OBS; + + if (on == 4) { /* hack for SRST */ + ctl |= 4; + on &= ~4; + } + + ctl |= on ? 0 : 2; + + if (hwif->host_flags & IDE_HFLAG_MMIO) + writeb(ctl, (void __iomem *)hwif->io_ports.ctl_addr); + else + outb(ctl, hwif->io_ports.ctl_addr); +} +EXPORT_SYMBOL_GPL(ide_set_irq); + +void ide_tf_load(ide_drive_t *drive, ide_task_t *task) { ide_hwif_t *hwif = drive->hwif; struct ide_io_ports *io_ports = &hwif->io_ports; @@ -155,8 +185,9 @@ static void ide_tf_load(ide_drive_t *drive, ide_task_t *task) tf_outb((tf->device & HIHI) | drive->select.all, io_ports->device_addr); } +EXPORT_SYMBOL_GPL(ide_tf_load); -static void ide_tf_read(ide_drive_t *drive, ide_task_t *task) +void ide_tf_read(ide_drive_t *drive, ide_task_t *task) { ide_hwif_t *hwif = drive->hwif; struct ide_io_ports *io_ports = &hwif->io_ports; @@ -188,6 +219,8 @@ 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(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr); + if (task->tf_flags & IDE_TFLAG_IN_FEATURE) + tf->feature = tf_inb(io_ports->feature_addr); if (task->tf_flags & IDE_TFLAG_IN_NSECT) tf->nsect = tf_inb(io_ports->nsect_addr); if (task->tf_flags & IDE_TFLAG_IN_LBAL) @@ -214,6 +247,7 @@ static void ide_tf_read(ide_drive_t *drive, ide_task_t *task) tf->hob_lbah = tf_inb(io_ports->lbah_addr); } } +EXPORT_SYMBOL_GPL(ide_tf_read); /* * Some localbus EIDE interfaces require a special access sequence @@ -236,8 +270,8 @@ static void ata_vlb_sync(unsigned long port) * so if an odd len is specified, be sure that there's at least one * extra byte allocated for the buffer. */ -static void ata_input_data(ide_drive_t *drive, struct request *rq, - void *buf, unsigned int len) +void ide_input_data(ide_drive_t *drive, struct request *rq, void *buf, + unsigned int len) { ide_hwif_t *hwif = drive->hwif; struct ide_io_ports *io_ports = &hwif->io_ports; @@ -277,12 +311,13 @@ static void ata_input_data(ide_drive_t *drive, struct request *rq, insw(data_addr, buf, len / 2); } } +EXPORT_SYMBOL_GPL(ide_input_data); /* * This is used for most PIO data transfers *to* the IDE interface */ -static void ata_output_data(ide_drive_t *drive, struct request *rq, - void *buf, unsigned int len) +void ide_output_data(ide_drive_t *drive, struct request *rq, void *buf, + unsigned int len) { ide_hwif_t *hwif = drive->hwif; struct ide_io_ports *io_ports = &hwif->io_ports; @@ -320,15 +355,50 @@ static void ata_output_data(ide_drive_t *drive, struct request *rq, outsw(data_addr, buf, len / 2); } } +EXPORT_SYMBOL_GPL(ide_output_data); + +u8 ide_read_error(ide_drive_t *drive) +{ + ide_task_t task; + + memset(&task, 0, sizeof(task)); + task.tf_flags = IDE_TFLAG_IN_FEATURE; + + drive->hwif->tp_ops->tf_read(drive, &task); + + return task.tf.error; +} +EXPORT_SYMBOL_GPL(ide_read_error); -void default_hwif_transport(ide_hwif_t *hwif) +void ide_read_bcount_and_ireason(ide_drive_t *drive, u16 *bcount, u8 *ireason) { - hwif->tf_load = ide_tf_load; - hwif->tf_read = ide_tf_read; + ide_task_t task; + + memset(&task, 0, sizeof(task)); + task.tf_flags = IDE_TFLAG_IN_LBAH | IDE_TFLAG_IN_LBAM | + IDE_TFLAG_IN_NSECT; - hwif->input_data = ata_input_data; - hwif->output_data = ata_output_data; + drive->hwif->tp_ops->tf_read(drive, &task); + + *bcount = (task.tf.lbah << 8) | task.tf.lbam; + *ireason = task.tf.nsect & 3; } +EXPORT_SYMBOL_GPL(ide_read_bcount_and_ireason); + +const struct ide_tp_ops default_tp_ops = { + .exec_command = ide_exec_command, + .read_status = ide_read_status, + .read_altstatus = ide_read_altstatus, + .read_sff_dma_status = ide_read_sff_dma_status, + + .set_irq = ide_set_irq, + + .tf_load = ide_tf_load, + .tf_read = ide_tf_read, + + .input_data = ide_input_data, + .output_data = ide_output_data, +}; void ide_fix_driveid (struct hd_driveid *id) { @@ -483,10 +553,10 @@ int drive_is_ready (ide_drive_t *drive) * about possible isa-pnp and pci-pnp issues yet. */ if (hwif->io_ports.ctl_addr) - stat = ide_read_altstatus(drive); + stat = hwif->tp_ops->read_altstatus(hwif); else /* Note: this may clear a pending IRQ!! */ - stat = ide_read_status(drive); + stat = hwif->tp_ops->read_status(hwif); if (stat & BUSY_STAT) /* drive busy: definitely not interrupting */ @@ -511,24 +581,26 @@ EXPORT_SYMBOL(drive_is_ready); */ static int __ide_wait_stat(ide_drive_t *drive, u8 good, u8 bad, unsigned long timeout, u8 *rstat) { + ide_hwif_t *hwif = drive->hwif; + const struct ide_tp_ops *tp_ops = hwif->tp_ops; unsigned long flags; int i; u8 stat; udelay(1); /* spec allows drive 400ns to assert "BUSY" */ - stat = ide_read_status(drive); + stat = tp_ops->read_status(hwif); if (stat & BUSY_STAT) { local_irq_set(flags); timeout += jiffies; - while ((stat = ide_read_status(drive)) & BUSY_STAT) { + while ((stat = tp_ops->read_status(hwif)) & BUSY_STAT) { if (time_after(jiffies, timeout)) { /* * One last read after the timeout in case * heavy interrupt load made us not make any * progress during the timeout.. */ - stat = ide_read_status(drive); + stat = tp_ops->read_status(hwif); if (!(stat & BUSY_STAT)) break; @@ -548,7 +620,7 @@ static int __ide_wait_stat(ide_drive_t *drive, u8 good, u8 bad, unsigned long ti */ for (i = 0; i < 10; i++) { udelay(1); - stat = ide_read_status(drive); + stat = tp_ops->read_status(hwif); if (OK_STAT(stat, good, bad)) { *rstat = stat; @@ -674,6 +746,7 @@ no_80w: int ide_driveid_update(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; + const struct ide_tp_ops *tp_ops = hwif->tp_ops; struct hd_driveid *id; unsigned long timeout, flags; u8 stat; @@ -684,9 +757,9 @@ int ide_driveid_update(ide_drive_t *drive) */ SELECT_MASK(drive, 1); - ide_set_irq(drive, 0); + tp_ops->set_irq(hwif, 0); msleep(50); - hwif->OUTBSYNC(hwif, WIN_IDENTIFY, hwif->io_ports.command_addr); + tp_ops->exec_command(hwif, WIN_IDENTIFY); timeout = jiffies + WAIT_WORSTCASE; do { if (time_after(jiffies, timeout)) { @@ -695,11 +768,11 @@ int ide_driveid_update(ide_drive_t *drive) } msleep(50); /* give drive a breather */ - stat = ide_read_altstatus(drive); + stat = tp_ops->read_altstatus(hwif); } while (stat & BUSY_STAT); msleep(50); /* wait for IRQ and DRQ_STAT */ - stat = ide_read_status(drive); + stat = tp_ops->read_status(hwif); if (!OK_STAT(stat, DRQ_STAT, BAD_R_STAT)) { SELECT_MASK(drive, 0); @@ -713,8 +786,8 @@ int ide_driveid_update(ide_drive_t *drive) local_irq_restore(flags); return 0; } - hwif->input_data(drive, NULL, id, SECTOR_SIZE); - (void)ide_read_status(drive); /* clear drive IRQ */ + tp_ops->input_data(drive, NULL, id, SECTOR_SIZE); + (void)tp_ops->read_status(hwif); /* clear drive IRQ */ local_irq_enable(); local_irq_restore(flags); ide_fix_driveid(id); @@ -735,9 +808,10 @@ int ide_driveid_update(ide_drive_t *drive) int ide_config_drive_speed(ide_drive_t *drive, u8 speed) { ide_hwif_t *hwif = drive->hwif; - struct ide_io_ports *io_ports = &hwif->io_ports; + const struct ide_tp_ops *tp_ops = hwif->tp_ops; int error = 0; u8 stat; + ide_task_t task; #ifdef CONFIG_BLK_DEV_IDEDMA if (hwif->dma_ops) /* check if host supports DMA */ @@ -770,12 +844,19 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed) SELECT_DRIVE(drive); SELECT_MASK(drive, 0); udelay(1); - ide_set_irq(drive, 0); - hwif->OUTB(speed, io_ports->nsect_addr); - hwif->OUTB(SETFEATURES_XFER, io_ports->feature_addr); - hwif->OUTBSYNC(hwif, WIN_SETFEATURES, io_ports->command_addr); + tp_ops->set_irq(hwif, 0); + + memset(&task, 0, sizeof(task)); + task.tf_flags = IDE_TFLAG_OUT_FEATURE | IDE_TFLAG_OUT_NSECT; + task.tf.feature = SETFEATURES_XFER; + task.tf.nsect = speed; + + tp_ops->tf_load(drive, &task); + + tp_ops->exec_command(hwif, WIN_SETFEATURES); + if (drive->quirk_list == 2) - ide_set_irq(drive, 1); + tp_ops->set_irq(hwif, 1); error = __ide_wait_stat(drive, drive->ready_stat, BUSY_STAT|DRQ_STAT|ERR_STAT, @@ -796,8 +877,7 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed) skip: #ifdef CONFIG_BLK_DEV_IDEDMA - if ((speed >= XFER_SW_DMA_0 || (hwif->host_flags & IDE_HFLAG_VDMA)) && - drive->using_dma) + if (speed >= XFER_SW_DMA_0 && drive->using_dma) hwif->dma_ops->dma_host_set(drive, 1); else if (hwif->dma_ops) /* check if host supports DMA */ ide_dma_off_quietly(drive); @@ -881,7 +961,7 @@ 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(hwif, cmd, hwif->io_ports.command_addr); + hwif->tp_ops->exec_command(hwif, cmd); /* * Drive takes 400nS to respond, we must avoid the IRQ being * serviced before that. @@ -899,7 +979,7 @@ void ide_execute_pkt_cmd(ide_drive_t *drive) unsigned long flags; spin_lock_irqsave(&ide_lock, flags); - hwif->OUTBSYNC(hwif, WIN_PACKETCMD, hwif->io_ports.command_addr); + hwif->tp_ops->exec_command(hwif, WIN_PACKETCMD); ndelay(400); spin_unlock_irqrestore(&ide_lock, flags); } @@ -924,12 +1004,13 @@ static ide_startstop_t do_reset1 (ide_drive_t *, int); */ static ide_startstop_t atapi_reset_pollfunc (ide_drive_t *drive) { - ide_hwgroup_t *hwgroup = HWGROUP(drive); + ide_hwif_t *hwif = drive->hwif; + ide_hwgroup_t *hwgroup = hwif->hwgroup; u8 stat; SELECT_DRIVE(drive); udelay (10); - stat = ide_read_status(drive); + stat = hwif->tp_ops->read_status(hwif); if (OK_STAT(stat, 0, BUSY_STAT)) printk("%s: ATAPI reset complete\n", drive->name); @@ -975,7 +1056,7 @@ static ide_startstop_t reset_pollfunc (ide_drive_t *drive) } } - tmp = ide_read_status(drive); + tmp = hwif->tp_ops->read_status(hwif); if (!OK_STAT(tmp, 0, BUSY_STAT)) { if (time_before(jiffies, hwgroup->poll_timeout)) { @@ -1089,8 +1170,8 @@ static ide_startstop_t do_reset1 (ide_drive_t *drive, int do_not_try_atapi) ide_hwif_t *hwif; ide_hwgroup_t *hwgroup; struct ide_io_ports *io_ports; + const struct ide_tp_ops *tp_ops; const struct ide_port_ops *port_ops; - u8 ctl; spin_lock_irqsave(&ide_lock, flags); hwif = HWIF(drive); @@ -1098,6 +1179,8 @@ static ide_startstop_t do_reset1 (ide_drive_t *drive, int do_not_try_atapi) io_ports = &hwif->io_ports; + tp_ops = hwif->tp_ops; + /* We must not reset with running handlers */ BUG_ON(hwgroup->handler != NULL); @@ -1106,7 +1189,7 @@ static ide_startstop_t do_reset1 (ide_drive_t *drive, int do_not_try_atapi) pre_reset(drive); SELECT_DRIVE(drive); udelay (20); - hwif->OUTBSYNC(hwif, WIN_SRST, io_ports->command_addr); + tp_ops->exec_command(hwif, WIN_SRST); ndelay(400); hwgroup->poll_timeout = jiffies + WAIT_WORSTCASE; hwgroup->polling = 1; @@ -1135,16 +1218,15 @@ static ide_startstop_t do_reset1 (ide_drive_t *drive, int do_not_try_atapi) * immediate interrupt due to the edge transition it produces. * This single interrupt gives us a "fast poll" for drives that * recover from reset very quickly, saving us the first 50ms wait time. + * + * TODO: add ->softreset method and stop abusing ->set_irq */ /* set SRST and nIEN */ - hwif->OUTBSYNC(hwif, ATA_DEVCTL_OBS | 6, io_ports->ctl_addr); + tp_ops->set_irq(hwif, 4); /* more than enough time */ udelay(10); - if (drive->quirk_list == 2) - ctl = ATA_DEVCTL_OBS; /* clear SRST and nIEN */ - else - ctl = ATA_DEVCTL_OBS | 2; /* clear SRST, leave nIEN */ - hwif->OUTBSYNC(hwif, ctl, io_ports->ctl_addr); + /* clear SRST, leave nIEN (unless device is on the quirk list) */ + tp_ops->set_irq(hwif, drive->quirk_list == 2); /* more than enough time */ udelay(10); hwgroup->poll_timeout = jiffies + WAIT_WORSTCASE; @@ -1189,7 +1271,7 @@ int ide_wait_not_busy(ide_hwif_t *hwif, unsigned long timeout) * about locking issues (2.5 work ?). */ mdelay(1); - stat = hwif->INB(hwif->io_ports.status_addr); + stat = hwif->tp_ops->read_status(hwif); if ((stat & BUSY_STAT) == 0) return 0; /* diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c index 13af72f09ec..97fefabea8b 100644 --- a/drivers/ide/ide-lib.c +++ b/drivers/ide/ide-lib.c @@ -266,22 +266,11 @@ int ide_set_xfer_rate(ide_drive_t *drive, u8 rate) rate = ide_rate_filter(drive, rate); + BUG_ON(rate < XFER_PIO_0); + if (rate >= XFER_PIO_0 && rate <= XFER_PIO_5) return ide_set_pio_mode(drive, rate); - /* - * TODO: transfer modes 0x00-0x07 passed from the user-space are - * currently handled here which needs fixing (please note that such - * case could happen iff the transfer mode has already been set on - * the device by ide-proc.c::set_xfer_rate()). - */ - if (rate < XFER_PIO_0) { - if (hwif->host_flags & IDE_HFLAG_ABUSE_SET_DMA_MODE) - return ide_set_dma_mode(drive, rate); - else - return ide_config_drive_speed(drive, rate); - } - return ide_set_dma_mode(drive, rate); } @@ -336,7 +325,7 @@ static void ide_dump_sector(ide_drive_t *drive) else task.tf_flags = IDE_TFLAG_IN_LBA | IDE_TFLAG_IN_DEVICE; - drive->hwif->tf_read(drive, &task); + drive->hwif->tp_ops->tf_read(drive, &task); if (lba48 || (tf->device & ATA_LBA)) printk(", LBAsect=%llu", diff --git a/drivers/ide/ide-pnp.c b/drivers/ide/ide-pnp.c index 03f2ef5470a..bac9b392b68 100644 --- a/drivers/ide/ide-pnp.c +++ b/drivers/ide/ide-pnp.c @@ -29,9 +29,10 @@ static struct pnp_device_id idepnp_devices[] = { static int idepnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id) { - hw_regs_t hw; - ide_hwif_t *hwif; + struct ide_host *host; unsigned long base, ctl; + int rc; + hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; printk(KERN_INFO DRV_NAME ": generic PnP IDE interface\n"); @@ -59,31 +60,25 @@ static int idepnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id) 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 }; + rc = ide_host_add(NULL, hws, &host); + if (rc) + goto out; - ide_init_port_hw(hwif, &hw); - - pnp_set_drvdata(dev, hwif); - - ide_device_add(idx, NULL); - - return 0; - } + pnp_set_drvdata(dev, host); + return 0; +out: release_region(ctl, 1); release_region(base, 8); - return -1; + return rc; } static void idepnp_remove(struct pnp_dev *dev) { - ide_hwif_t *hwif = pnp_get_drvdata(dev); + struct ide_host *host = pnp_get_drvdata(dev); - ide_unregister(hwif); + ide_host_remove(host); release_region(pnp_port_start(dev, 1), 1); release_region(pnp_port_start(dev, 0), 8); diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 235ebdb29b2..4aa76c45375 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -39,8 +39,6 @@ #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 @@ -126,7 +124,7 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd) id = drive->id; /* read 512 bytes of id info */ - hwif->input_data(drive, NULL, id, SECTOR_SIZE); + hwif->tp_ops->input_data(drive, NULL, id, SECTOR_SIZE); drive->id_read = 1; local_irq_enable(); @@ -267,6 +265,7 @@ static int actual_try_to_identify (ide_drive_t *drive, u8 cmd) { ide_hwif_t *hwif = HWIF(drive); struct ide_io_ports *io_ports = &hwif->io_ports; + const struct ide_tp_ops *tp_ops = hwif->tp_ops; int use_altstatus = 0, rc; unsigned long timeout; u8 s = 0, a = 0; @@ -275,8 +274,8 @@ static int actual_try_to_identify (ide_drive_t *drive, u8 cmd) msleep(50); if (io_ports->ctl_addr) { - a = ide_read_altstatus(drive); - s = ide_read_status(drive); + a = tp_ops->read_altstatus(hwif); + s = tp_ops->read_status(hwif); if ((a ^ s) & ~INDEX_STAT) /* ancient Seagate drives, broken interfaces */ printk(KERN_INFO "%s: probing with STATUS(0x%02x) " @@ -290,12 +289,18 @@ static int actual_try_to_identify (ide_drive_t *drive, u8 cmd) /* set features register for atapi * identify command to be sure of reply */ - if ((cmd == WIN_PIDENTIFY)) - /* disable dma & overlap */ - hwif->OUTB(0, io_ports->feature_addr); + if (cmd == WIN_PIDENTIFY) { + ide_task_t task; + + memset(&task, 0, sizeof(task)); + /* disable DMA & overlap */ + task.tf_flags = IDE_TFLAG_OUT_FEATURE; + + tp_ops->tf_load(drive, &task); + } /* ask drive for ID */ - hwif->OUTBSYNC(hwif, cmd, hwif->io_ports.command_addr); + tp_ops->exec_command(hwif, cmd); timeout = ((cmd == WIN_IDENTIFY) ? WAIT_WORSTCASE : WAIT_PIDENTIFY) / 2; timeout += jiffies; @@ -306,13 +311,13 @@ static int actual_try_to_identify (ide_drive_t *drive, u8 cmd) } /* give drive a breather */ msleep(50); - s = use_altstatus ? ide_read_altstatus(drive) - : ide_read_status(drive); + s = use_altstatus ? tp_ops->read_altstatus(hwif) + : tp_ops->read_status(hwif); } while (s & BUSY_STAT); /* wait for IRQ and DRQ_STAT */ msleep(50); - s = ide_read_status(drive); + s = tp_ops->read_status(hwif); if (OK_STAT(s, DRQ_STAT, BAD_R_STAT)) { unsigned long flags; @@ -324,7 +329,7 @@ static int actual_try_to_identify (ide_drive_t *drive, u8 cmd) /* drive responded with ID */ rc = 0; /* clear drive IRQ */ - (void)ide_read_status(drive); + (void)tp_ops->read_status(hwif); local_irq_restore(flags); } else { /* drive refused ID */ @@ -346,6 +351,7 @@ static int actual_try_to_identify (ide_drive_t *drive, u8 cmd) static int try_to_identify (ide_drive_t *drive, u8 cmd) { ide_hwif_t *hwif = HWIF(drive); + const struct ide_tp_ops *tp_ops = hwif->tp_ops; int retval; int autoprobe = 0; unsigned long cookie = 0; @@ -361,7 +367,7 @@ static int try_to_identify (ide_drive_t *drive, u8 cmd) autoprobe = 1; cookie = probe_irq_on(); } - ide_set_irq(drive, autoprobe); + tp_ops->set_irq(hwif, autoprobe); } retval = actual_try_to_identify(drive, cmd); @@ -369,9 +375,9 @@ static int try_to_identify (ide_drive_t *drive, u8 cmd) if (autoprobe) { int irq; - ide_set_irq(drive, 0); + tp_ops->set_irq(hwif, 0); /* clear drive IRQ */ - (void)ide_read_status(drive); + (void)tp_ops->read_status(hwif); udelay(5); irq = probe_irq_off(cookie); if (!hwif->irq) { @@ -396,7 +402,7 @@ static int ide_busy_sleep(ide_hwif_t *hwif) do { msleep(50); - stat = hwif->INB(hwif->io_ports.status_addr); + stat = hwif->tp_ops->read_status(hwif); if ((stat & BUSY_STAT) == 0) return 0; } while (time_before(jiffies, timeout)); @@ -404,6 +410,18 @@ static int ide_busy_sleep(ide_hwif_t *hwif) return 1; } +static u8 ide_read_device(ide_drive_t *drive) +{ + ide_task_t task; + + memset(&task, 0, sizeof(task)); + task.tf_flags = IDE_TFLAG_IN_DEVICE; + + drive->hwif->tp_ops->tf_read(drive, &task); + + return task.tf.device; +} + /** * do_probe - probe an IDE device * @drive: drive to probe @@ -428,7 +446,7 @@ static int ide_busy_sleep(ide_hwif_t *hwif) static int do_probe (ide_drive_t *drive, u8 cmd) { ide_hwif_t *hwif = HWIF(drive); - struct ide_io_ports *io_ports = &hwif->io_ports; + const struct ide_tp_ops *tp_ops = hwif->tp_ops; int rc; u8 stat; @@ -449,8 +467,8 @@ static int do_probe (ide_drive_t *drive, u8 cmd) msleep(50); SELECT_DRIVE(drive); msleep(50); - if (hwif->INB(io_ports->device_addr) != drive->select.all && - !drive->present) { + + if (ide_read_device(drive) != drive->select.all && !drive->present) { if (drive->select.b.unit != 0) { /* exit with drive0 selected */ SELECT_DRIVE(&hwif->drives[0]); @@ -461,7 +479,7 @@ static int do_probe (ide_drive_t *drive, u8 cmd) return 3; } - stat = ide_read_status(drive); + stat = tp_ops->read_status(hwif); if (OK_STAT(stat, READY_STAT, BUSY_STAT) || drive->present || cmd == WIN_PIDENTIFY) { @@ -471,7 +489,7 @@ static int do_probe (ide_drive_t *drive, u8 cmd) rc = try_to_identify(drive,cmd); } - stat = ide_read_status(drive); + stat = tp_ops->read_status(hwif); if (stat == (BUSY_STAT | READY_STAT)) return 4; @@ -482,13 +500,13 @@ static int do_probe (ide_drive_t *drive, u8 cmd) msleep(50); SELECT_DRIVE(drive); msleep(50); - hwif->OUTBSYNC(hwif, WIN_SRST, io_ports->command_addr); + tp_ops->exec_command(hwif, WIN_SRST); (void)ide_busy_sleep(hwif); rc = try_to_identify(drive, cmd); } /* ensure drive IRQ is clear */ - stat = ide_read_status(drive); + stat = tp_ops->read_status(hwif); if (rc == 1) printk(KERN_ERR "%s: no response (status = 0x%02x)\n", @@ -502,7 +520,7 @@ static int do_probe (ide_drive_t *drive, u8 cmd) SELECT_DRIVE(&hwif->drives[0]); msleep(50); /* ensure drive irq is clear */ - (void)ide_read_status(drive); + (void)tp_ops->read_status(hwif); } return rc; } @@ -513,12 +531,13 @@ static int do_probe (ide_drive_t *drive, u8 cmd) static void enable_nest (ide_drive_t *drive) { ide_hwif_t *hwif = HWIF(drive); + const struct ide_tp_ops *tp_ops = hwif->tp_ops; u8 stat; printk("%s: enabling %s -- ", hwif->name, drive->id->model); SELECT_DRIVE(drive); msleep(50); - hwif->OUTBSYNC(hwif, EXABYTE_ENABLE_NEST, hwif->io_ports.command_addr); + tp_ops->exec_command(hwif, EXABYTE_ENABLE_NEST); if (ide_busy_sleep(hwif)) { printk(KERN_CONT "failed (timeout)\n"); @@ -527,7 +546,7 @@ static void enable_nest (ide_drive_t *drive) msleep(50); - stat = ide_read_status(drive); + stat = tp_ops->read_status(hwif); if (!OK_STAT(stat, 0, BAD_STAT)) printk(KERN_CONT "failed (status = 0x%02x)\n", stat); @@ -619,7 +638,7 @@ static inline u8 probe_for_drive (ide_drive_t *drive) return drive->present; } -static void hwif_release_dev (struct device *dev) +static void hwif_release_dev(struct device *dev) { ide_hwif_t *hwif = container_of(dev, ide_hwif_t, gendev); @@ -709,7 +728,7 @@ static int ide_port_wait_ready(ide_hwif_t *hwif) /* Ignore disks that we will not probe for later. */ if (!drive->noprobe || drive->present) { SELECT_DRIVE(drive); - ide_set_irq(drive, 1); + hwif->tp_ops->set_irq(hwif, 1); mdelay(2); rc = ide_wait_not_busy(hwif, 35000); if (rc) @@ -971,6 +990,45 @@ static void ide_port_setup_devices(ide_hwif_t *hwif) mutex_unlock(&ide_cfg_mtx); } +static ide_hwif_t *ide_ports[MAX_HWIFS]; + +void ide_remove_port_from_hwgroup(ide_hwif_t *hwif) +{ + ide_hwgroup_t *hwgroup = hwif->hwgroup; + + ide_ports[hwif->index] = NULL; + + spin_lock_irq(&ide_lock); + /* + * Remove us from the hwgroup, and free + * the hwgroup if we were the only member + */ + if (hwif->next == hwif) { + BUG_ON(hwgroup->hwif != hwif); + kfree(hwgroup); + } else { + /* There is another interface in hwgroup. + * Unlink us, and set hwgroup->drive and ->hwif to + * something sane. + */ + ide_hwif_t *g = hwgroup->hwif; + + while (g->next != hwif) + g = g->next; + g->next = hwif->next; + if (hwgroup->hwif == hwif) { + /* Chose a random hwif for hwgroup->hwif. + * It's guaranteed that there are no drives + * left in the hwgroup. + */ + BUG_ON(hwgroup->drive != NULL); + hwgroup->hwif = g; + } + BUG_ON(hwgroup->hwif == hwif); + } + spin_unlock_irq(&ide_lock); +} + /* * This routine sets up the irq for an ide interface, and creates a new * hwgroup for the irq/hwif if none was previously assigned. @@ -998,8 +1056,9 @@ static int init_irq (ide_hwif_t *hwif) * Group up with any other hwifs that share our irq(s). */ for (index = 0; index < MAX_HWIFS; index++) { - ide_hwif_t *h = &ide_hwifs[index]; - if (h->hwgroup) { /* scan only initialized hwif's */ + ide_hwif_t *h = ide_ports[index]; + + if (h && h->hwgroup) { /* scan only initialized ports */ if (hwif->irq == h->irq) { hwif->sharing_irq = h->sharing_irq = 1; if (hwif->chipset != ide_pci || @@ -1053,6 +1112,8 @@ static int init_irq (ide_hwif_t *hwif) hwgroup->timer.data = (unsigned long) hwgroup; } + ide_ports[hwif->index] = hwif; + /* * Allocate the irq, if not already obtained for another hwif */ @@ -1066,8 +1127,7 @@ static int init_irq (ide_hwif_t *hwif) sa = IRQF_SHARED; if (io_ports->ctl_addr) - /* clear nIEN */ - hwif->OUTBSYNC(hwif, ATA_DEVCTL_OBS, io_ports->ctl_addr); + hwif->tp_ops->set_irq(hwif, 1); if (request_irq(hwif->irq,&ide_intr,sa,hwif->name,hwgroup)) goto out_unlink; @@ -1345,6 +1405,9 @@ static void ide_init_port(ide_hwif_t *hwif, unsigned int port, hwif->host_flags |= d->host_flags; hwif->pio_mask = d->pio_mask; + if (d->tp_ops) + hwif->tp_ops = d->tp_ops; + /* ->set_pio_mode for DTC2278 is currently limited to port 0 */ if (hwif->chipset != ide_dtc2278 || hwif->channel == 0) hwif->port_ops = d->port_ops; @@ -1363,6 +1426,7 @@ static void ide_init_port(ide_hwif_t *hwif, unsigned int port, if (rc < 0) { printk(KERN_INFO "%s: DMA disabled\n", hwif->name); + hwif->dma_base = 0; hwif->swdma_mask = 0; hwif->mwdma_mask = 0; hwif->ultra_mask = 0; @@ -1446,18 +1510,20 @@ static int ide_sysfs_register_port(ide_hwif_t *hwif) return rc; } +static unsigned int ide_indexes; + /** - * ide_find_port_slot - find free ide_hwifs[] slot + * ide_find_port_slot - find free port slot * @d: IDE port info * - * Return the new hwif. If we are out of free slots return NULL. + * Return the new port slot index or -ENOENT if we are out of free slots. */ -ide_hwif_t *ide_find_port_slot(const struct ide_port_info *d) +static int ide_find_port_slot(const struct ide_port_info *d) { - ide_hwif_t *hwif; - int i; + int idx = -ENOENT; u8 bootable = (d && (d->host_flags & IDE_HFLAG_NON_BOOTABLE)) ? 0 : 1; + u8 i = (d && (d->host_flags & IDE_HFLAG_QD_2ND_PORT)) ? 1 : 0;; /* * Claim an unassigned slot. @@ -1469,51 +1535,106 @@ ide_hwif_t *ide_find_port_slot(const struct ide_port_info *d) * Unless there is a bootable card that does not use the standard * ports 0x1f0/0x170 (the ide0/ide1 defaults). */ - if (bootable) { - i = (d && (d->host_flags & IDE_HFLAG_QD_2ND_PORT)) ? 1 : 0; - - for (; i < MAX_HWIFS; i++) { - hwif = &ide_hwifs[i]; - if (hwif->chipset == ide_unknown) - goto out_found; - } + mutex_lock(&ide_cfg_mtx); + if (MAX_HWIFS == 1) { + if (ide_indexes == 0 && i == 0) + idx = 1; } else { - for (i = 2; i < MAX_HWIFS; i++) { - hwif = &ide_hwifs[i]; - if (hwif->chipset == ide_unknown) - goto out_found; + if (bootable) { + if ((ide_indexes | i) != (1 << MAX_HWIFS) - 1) + idx = ffz(ide_indexes | i); + } else { + if ((ide_indexes | 3) != (1 << MAX_HWIFS) - 1) + idx = ffz(ide_indexes | 3); + else if ((ide_indexes & 3) != 3) + idx = ffz(ide_indexes); } - for (i = 0; i < 2 && i < MAX_HWIFS; i++) { - hwif = &ide_hwifs[i]; - if (hwif->chipset == ide_unknown) - goto out_found; + } + if (idx >= 0) + ide_indexes |= (1 << idx); + mutex_unlock(&ide_cfg_mtx); + + return idx; +} + +static void ide_free_port_slot(int idx) +{ + mutex_lock(&ide_cfg_mtx); + ide_indexes &= ~(1 << idx); + mutex_unlock(&ide_cfg_mtx); +} + +struct ide_host *ide_host_alloc_all(const struct ide_port_info *d, + hw_regs_t **hws) +{ + struct ide_host *host; + int i; + + host = kzalloc(sizeof(*host), GFP_KERNEL); + if (host == NULL) + return NULL; + + for (i = 0; i < MAX_HWIFS; i++) { + ide_hwif_t *hwif; + int idx; + + if (hws[i] == NULL) + continue; + + hwif = kzalloc(sizeof(*hwif), GFP_KERNEL); + if (hwif == NULL) + continue; + + idx = ide_find_port_slot(d); + if (idx < 0) { + printk(KERN_ERR "%s: no free slot for interface\n", + d ? d->name : "ide"); + kfree(hwif); + continue; } + + ide_init_port_data(hwif, idx); + + host->ports[i] = hwif; + host->n_ports++; } - printk(KERN_ERR "%s: no free slot for interface\n", - d ? d->name : "ide"); + if (host->n_ports == 0) { + kfree(host); + return NULL; + } - return NULL; + return host; +} +EXPORT_SYMBOL_GPL(ide_host_alloc_all); + +struct ide_host *ide_host_alloc(const struct ide_port_info *d, hw_regs_t **hws) +{ + hw_regs_t *hws_all[MAX_HWIFS]; + int i; -out_found: - ide_init_port_data(hwif, i); - return hwif; + for (i = 0; i < MAX_HWIFS; i++) + hws_all[i] = (i < 4) ? hws[i] : NULL; + + return ide_host_alloc_all(d, hws_all); } -EXPORT_SYMBOL_GPL(ide_find_port_slot); +EXPORT_SYMBOL_GPL(ide_host_alloc); -int ide_device_add_all(u8 *idx, const struct ide_port_info *d) +int ide_host_register(struct ide_host *host, const struct ide_port_info *d, + hw_regs_t **hws) { ide_hwif_t *hwif, *mate = NULL; - int i, rc = 0; + int i, j = 0; for (i = 0; i < MAX_HWIFS; i++) { - if (idx[i] == 0xff) { + hwif = host->ports[i]; + + if (hwif == NULL) { mate = NULL; continue; } - hwif = &ide_hwifs[idx[i]]; - + ide_init_port_hw(hwif, hws[i]); ide_port_apply_params(hwif); if (d == NULL) { @@ -1534,10 +1655,10 @@ int ide_device_add_all(u8 *idx, const struct ide_port_info *d) } for (i = 0; i < MAX_HWIFS; i++) { - if (idx[i] == 0xff) - continue; + hwif = host->ports[i]; - hwif = &ide_hwifs[idx[i]]; + if (hwif == NULL) + continue; if (ide_probe_port(hwif) == 0) hwif->present = 1; @@ -1551,19 +1672,20 @@ int ide_device_add_all(u8 *idx, const struct ide_port_info *d) } for (i = 0; i < MAX_HWIFS; i++) { - if (idx[i] == 0xff) - continue; + hwif = host->ports[i]; - hwif = &ide_hwifs[idx[i]]; + if (hwif == NULL) + continue; if (hwif_init(hwif) == 0) { printk(KERN_INFO "%s: failed to initialize IDE " "interface\n", hwif->name); hwif->present = 0; - rc = -1; continue; } + j++; + if (hwif->present) ide_port_setup_devices(hwif); @@ -1574,10 +1696,10 @@ int ide_device_add_all(u8 *idx, const struct ide_port_info *d) } for (i = 0; i < MAX_HWIFS; i++) { - if (idx[i] == 0xff) - continue; + hwif = host->ports[i]; - hwif = &ide_hwifs[idx[i]]; + if (hwif == NULL) + continue; if (hwif->chipset == ide_unknown) hwif->chipset = ide_generic; @@ -1587,10 +1709,10 @@ int ide_device_add_all(u8 *idx, const struct ide_port_info *d) } for (i = 0; i < MAX_HWIFS; i++) { - if (idx[i] == 0xff) - continue; + hwif = host->ports[i]; - hwif = &ide_hwifs[idx[i]]; + if (hwif == NULL) + continue; ide_sysfs_register_port(hwif); ide_proc_register_port(hwif); @@ -1599,21 +1721,64 @@ int ide_device_add_all(u8 *idx, const struct ide_port_info *d) ide_proc_port_register_devices(hwif); } - return rc; + return j ? 0 : -1; } -EXPORT_SYMBOL_GPL(ide_device_add_all); +EXPORT_SYMBOL_GPL(ide_host_register); -int ide_device_add(u8 idx[4], const struct ide_port_info *d) +int ide_host_add(const struct ide_port_info *d, hw_regs_t **hws, + struct ide_host **hostp) { - u8 idx_all[MAX_HWIFS]; + struct ide_host *host; + int rc; + + host = ide_host_alloc(d, hws); + if (host == NULL) + return -ENOMEM; + + rc = ide_host_register(host, d, hws); + if (rc) { + ide_host_free(host); + return rc; + } + + if (hostp) + *hostp = host; + + return 0; +} +EXPORT_SYMBOL_GPL(ide_host_add); + +void ide_host_free(struct ide_host *host) +{ + ide_hwif_t *hwif; int i; - for (i = 0; i < MAX_HWIFS; i++) - idx_all[i] = (i < 4) ? idx[i] : 0xff; + for (i = 0; i < MAX_HWIFS; i++) { + hwif = host->ports[i]; - return ide_device_add_all(idx_all, d); + if (hwif == NULL) + continue; + + ide_free_port_slot(hwif->index); + kfree(hwif); + } + + kfree(host); } -EXPORT_SYMBOL_GPL(ide_device_add); +EXPORT_SYMBOL_GPL(ide_host_free); + +void ide_host_remove(struct ide_host *host) +{ + int i; + + for (i = 0; i < MAX_HWIFS; i++) { + if (host->ports[i]) + ide_unregister(host->ports[i]); + } + + ide_host_free(host); +} +EXPORT_SYMBOL_GPL(ide_host_remove); void ide_port_scan(ide_hwif_t *hwif) { @@ -1634,11 +1799,10 @@ void ide_port_scan(ide_hwif_t *hwif) } EXPORT_SYMBOL_GPL(ide_port_scan); -static void ide_legacy_init_one(u8 *idx, hw_regs_t *hw, u8 port_no, - const struct ide_port_info *d, +static void ide_legacy_init_one(hw_regs_t **hws, hw_regs_t *hw, + u8 port_no, const struct ide_port_info *d, unsigned long config) { - ide_hwif_t *hwif; unsigned long base, ctl; int irq; @@ -1668,33 +1832,25 @@ 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; + hw->config = config; - hwif = ide_find_port_slot(d); - if (hwif) { - ide_init_port_hw(hwif, hw); - if (config) - hwif->config_data = config; - idx[port_no] = hwif->index; - } + hws[port_no] = hw; } int ide_legacy_device_add(const struct ide_port_info *d, unsigned long config) { - u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; - hw_regs_t hw[2]; + hw_regs_t hw[2], *hws[] = { NULL, NULL, NULL, NULL }; memset(&hw, 0, sizeof(hw)); if ((d->host_flags & IDE_HFLAG_QD_2ND_PORT) == 0) - ide_legacy_init_one(idx, &hw[0], 0, d, config); - ide_legacy_init_one(idx, &hw[1], 1, d, config); + ide_legacy_init_one(hws, &hw[0], 0, d, config); + ide_legacy_init_one(hws, &hw[1], 1, d, config); - if (idx[0] == 0xff && idx[1] == 0xff && + if (hws[0] == NULL && hws[1] == NULL && (d->host_flags & IDE_HFLAG_SINGLE)) return -ENOENT; - ide_device_add(idx, d); - - return 0; + return ide_host_add(d, hws, NULL); } EXPORT_SYMBOL_GPL(ide_legacy_device_add); diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c index 8af88bf0969..151c91e933d 100644 --- a/drivers/ide/ide-proc.c +++ b/drivers/ide/ide-proc.c @@ -345,7 +345,7 @@ static int set_xfer_rate (ide_drive_t *drive, int arg) ide_task_t task; int err; - if (arg < 0 || arg > 70) + if (arg < XFER_PIO_0 || arg > XFER_UDMA_6) return -EINVAL; memset(&task, 0, sizeof(task)); @@ -357,7 +357,7 @@ static int set_xfer_rate (ide_drive_t *drive, int arg) err = ide_no_data_taskfile(drive, &task); - if (!err && arg) { + if (!err) { ide_set_xfer_rate(drive, (u8) arg); ide_driveid_update(drive); } diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 353dd11b928..6962ca4891a 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -195,23 +195,6 @@ enum { #define IDETAPE_BLOCK_DESCRIPTOR 0 #define IDETAPE_CAPABILITIES_PAGE 0x2a -/* Tape flag bits values. */ -enum { - IDETAPE_FLAG_IGNORE_DSC = (1 << 0), - /* 0 When the tape position is unknown */ - IDETAPE_FLAG_ADDRESS_VALID = (1 << 1), - /* Device already opened */ - IDETAPE_FLAG_BUSY = (1 << 2), - /* Attempt to auto-detect the current user block size */ - IDETAPE_FLAG_DETECT_BS = (1 << 3), - /* Currently on a filemark */ - IDETAPE_FLAG_FILEMARK = (1 << 4), - /* DRQ interrupt device */ - IDETAPE_FLAG_DRQ_INTERRUPT = (1 << 5), - /* 0 = no tape is loaded, so we don't rewind after ejecting */ - IDETAPE_FLAG_MEDIUM_PRESENT = (1 << 6), -}; - /* * Most of our global data which we need to save even as we leave the driver due * to an interrupt or a timer event is stored in the struct defined below. @@ -312,8 +295,6 @@ typedef struct ide_tape_obj { /* Wasted space in each stage */ int excess_bh_size; - /* Status/Action flags: long for set_bit */ - unsigned long flags; /* protects the ide-tape queue */ spinlock_t lock; @@ -398,7 +379,7 @@ static void idetape_input_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc, count = min( (unsigned int)(bh->b_size - atomic_read(&bh->b_count)), bcount); - drive->hwif->input_data(drive, NULL, bh->b_data + + drive->hwif->tp_ops->input_data(drive, NULL, bh->b_data + atomic_read(&bh->b_count), count); bcount -= count; atomic_add(count, &bh->b_count); @@ -424,7 +405,7 @@ static void idetape_output_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc, return; } count = min((unsigned int)pc->b_count, (unsigned int)bcount); - drive->hwif->output_data(drive, NULL, pc->b_data, count); + drive->hwif->tp_ops->output_data(drive, NULL, pc->b_data, count); bcount -= count; pc->b_data += count; pc->b_count -= count; @@ -585,7 +566,6 @@ static void ide_tape_kfree_buffer(idetape_tape_t *tape) bh = bh->b_reqnext; kfree(prev_bh); } - kfree(tape->merge_bh); } static int idetape_end_request(ide_drive_t *drive, int uptodate, int nr_sects) @@ -665,7 +645,7 @@ static void ide_tape_callback(ide_drive_t *drive) 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); + clear_bit(IDE_AFLAG_ADDRESS_VALID, &drive->atapi_flags); uptodate = 0; } else { debug_log(DBG_SENSE, "Block Location - %u\n", @@ -673,7 +653,7 @@ static void ide_tape_callback(ide_drive_t *drive) tape->partition = readpos[1]; tape->first_frame = be32_to_cpu(*(u32 *)&readpos[4]); - set_bit(IDETAPE_FLAG_ADDRESS_VALID, &tape->flags); + set_bit(IDE_AFLAG_ADDRESS_VALID, &drive->atapi_flags); } } @@ -690,7 +670,6 @@ static void idetape_init_pc(struct ide_atapi_pc *pc) 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) @@ -705,7 +684,7 @@ static void idetape_init_rq(struct request *rq, u8 cmd) { blk_rq_init(NULL, rq); rq->cmd_type = REQ_TYPE_SPECIAL; - rq->cmd[0] = cmd; + rq->cmd[13] = cmd; } /* @@ -732,6 +711,7 @@ static void idetape_queue_pc_head(ide_drive_t *drive, struct ide_atapi_pc *pc, rq->cmd_flags |= REQ_PREEMPT; rq->buffer = (char *) pc; rq->rq_disk = tape->disk; + memcpy(rq->cmd, pc->c, 12); ide_do_drive_cmd(drive, rq); } @@ -742,7 +722,6 @@ static void idetape_queue_pc_head(ide_drive_t *drive, struct ide_atapi_pc *pc, */ static void idetape_retry_pc(ide_drive_t *drive) { - idetape_tape_t *tape = drive->driver_data; struct ide_atapi_pc *pc; struct request *rq; @@ -750,7 +729,7 @@ static void idetape_retry_pc(ide_drive_t *drive) pc = idetape_next_pc_storage(drive); rq = idetape_next_rq_storage(drive); idetape_create_request_sense_cmd(pc); - set_bit(IDETAPE_FLAG_IGNORE_DSC, &tape->flags); + set_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags); idetape_queue_pc_head(drive, pc, rq); } @@ -887,7 +866,7 @@ static ide_startstop_t idetape_issue_pc(ide_drive_t *drive, pc->error = IDETAPE_ERROR_GENERAL; } tape->failed_pc = NULL; - pc->callback(drive); + drive->pc_callback(drive); return ide_stopped; } debug_log(DBG_SENSE, "Retry #%d, cmd = %02X\n", pc->retries, pc->c[0]); @@ -927,11 +906,12 @@ static void idetape_create_mode_sense_cmd(struct ide_atapi_pc *pc, u8 page_code) static ide_startstop_t idetape_media_access_finished(ide_drive_t *drive) { + ide_hwif_t *hwif = drive->hwif; idetape_tape_t *tape = drive->driver_data; struct ide_atapi_pc *pc = tape->pc; u8 stat; - stat = ide_read_status(drive); + stat = hwif->tp_ops->read_status(hwif); if (stat & SEEK_STAT) { if (stat & ERR_STAT) { @@ -948,14 +928,17 @@ static ide_startstop_t idetape_media_access_finished(ide_drive_t *drive) pc->error = IDETAPE_ERROR_GENERAL; tape->failed_pc = NULL; } - pc->callback(drive); + drive->pc_callback(drive); return ide_stopped; } 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) + struct ide_atapi_pc *pc, struct request *rq, + u8 opcode) { + struct idetape_bh *bh = (struct idetape_bh *)rq->special; + unsigned int length = rq->current_nr_sectors; + idetape_init_pc(pc); put_unaligned(cpu_to_be32(length), (unsigned int *) &pc->c[1]); pc->c[1] = 1; @@ -975,11 +958,14 @@ static void ide_tape_create_rw_cmd(idetape_tape_t *tape, pc->b_data = bh->b_data; pc->b_count = atomic_read(&bh->b_count); } + + memcpy(rq->cmd, pc->c, 12); } static ide_startstop_t idetape_do_request(ide_drive_t *drive, struct request *rq, sector_t block) { + ide_hwif_t *hwif = drive->hwif; idetape_tape_t *tape = drive->driver_data; struct ide_atapi_pc *pc = NULL; struct request *postponed_rq = tape->postponed_rq; @@ -1017,17 +1003,17 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive, * If the tape is still busy, postpone our request and service * the other device meanwhile. */ - stat = ide_read_status(drive); + stat = hwif->tp_ops->read_status(hwif); - if (!drive->dsc_overlap && !(rq->cmd[0] & REQ_IDETAPE_PC2)) - set_bit(IDETAPE_FLAG_IGNORE_DSC, &tape->flags); + if (!drive->dsc_overlap && !(rq->cmd[13] & REQ_IDETAPE_PC2)) + set_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags); if (drive->post_reset == 1) { - set_bit(IDETAPE_FLAG_IGNORE_DSC, &tape->flags); + set_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags); drive->post_reset = 0; } - if (!test_and_clear_bit(IDETAPE_FLAG_IGNORE_DSC, &tape->flags) && + if (!test_and_clear_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags) && (stat & SEEK_STAT) == 0) { if (postponed_rq == NULL) { tape->dsc_polling_start = jiffies; @@ -1036,7 +1022,7 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive, } else if (time_after(jiffies, tape->dsc_timeout)) { printk(KERN_ERR "ide-tape: %s: DSC timeout\n", tape->name); - if (rq->cmd[0] & REQ_IDETAPE_PC2) { + if (rq->cmd[13] & REQ_IDETAPE_PC2) { idetape_media_access_finished(drive); return ide_stopped; } else { @@ -1049,35 +1035,29 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive, idetape_postpone_request(drive); return ide_stopped; } - if (rq->cmd[0] & REQ_IDETAPE_READ) { + if (rq->cmd[13] & REQ_IDETAPE_READ) { pc = idetape_next_pc_storage(drive); - ide_tape_create_rw_cmd(tape, pc, rq->current_nr_sectors, - (struct idetape_bh *)rq->special, - READ_6); + ide_tape_create_rw_cmd(tape, pc, rq, READ_6); goto out; } - if (rq->cmd[0] & REQ_IDETAPE_WRITE) { + if (rq->cmd[13] & REQ_IDETAPE_WRITE) { pc = idetape_next_pc_storage(drive); - ide_tape_create_rw_cmd(tape, pc, rq->current_nr_sectors, - (struct idetape_bh *)rq->special, - WRITE_6); + ide_tape_create_rw_cmd(tape, pc, rq, WRITE_6); goto out; } - if (rq->cmd[0] & REQ_IDETAPE_PC1) { + if (rq->cmd[13] & REQ_IDETAPE_PC1) { pc = (struct ide_atapi_pc *) rq->buffer; - rq->cmd[0] &= ~(REQ_IDETAPE_PC1); - rq->cmd[0] |= REQ_IDETAPE_PC2; + rq->cmd[13] &= ~(REQ_IDETAPE_PC1); + rq->cmd[13] |= REQ_IDETAPE_PC2; goto out; } - if (rq->cmd[0] & REQ_IDETAPE_PC2) { + if (rq->cmd[13] & REQ_IDETAPE_PC2) { idetape_media_access_finished(drive); return ide_stopped; } BUG(); -out: - if (test_bit(IDETAPE_FLAG_DRQ_INTERRUPT, &tape->flags)) - pc->flags |= PC_FLAG_DRQ_INTERRUPT; +out: return idetape_issue_pc(drive, pc); } @@ -1281,8 +1261,9 @@ static int idetape_queue_pc_tail(ide_drive_t *drive, struct ide_atapi_pc *pc) rq = blk_get_request(drive->queue, READ, __GFP_WAIT); rq->cmd_type = REQ_TYPE_SPECIAL; - rq->cmd[0] = REQ_IDETAPE_PC1; + rq->cmd[13] = REQ_IDETAPE_PC1; rq->buffer = (char *)pc; + memcpy(rq->cmd, pc->c, 12); error = blk_execute_rq(drive->queue, tape->disk, rq, 0); blk_put_request(rq); return error; @@ -1304,7 +1285,7 @@ static int idetape_wait_ready(ide_drive_t *drive, unsigned long timeout) int load_attempted = 0; /* Wait for the tape to become ready */ - set_bit(IDETAPE_FLAG_MEDIUM_PRESENT, &tape->flags); + set_bit(IDE_AFLAG_MEDIUM_PRESENT, &drive->atapi_flags); timeout += jiffies; while (time_before(jiffies, timeout)) { idetape_create_test_unit_ready_cmd(&pc); @@ -1397,7 +1378,7 @@ static void __ide_tape_discard_merge_buffer(ide_drive_t *drive) if (tape->chrdev_dir != IDETAPE_DIR_READ) return; - clear_bit(IDETAPE_FLAG_FILEMARK, &tape->flags); + clear_bit(IDE_AFLAG_FILEMARK, &drive->atapi_flags); tape->merge_bh_size = 0; if (tape->merge_bh != NULL) { ide_tape_kfree_buffer(tape); @@ -1465,7 +1446,7 @@ static int idetape_queue_rw_tail(ide_drive_t *drive, int cmd, int blocks, rq = blk_get_request(drive->queue, READ, __GFP_WAIT); rq->cmd_type = REQ_TYPE_SPECIAL; - rq->cmd[0] = cmd; + rq->cmd[13] = cmd; rq->rq_disk = tape->disk; rq->special = (void *)bh; rq->sector = tape->first_frame; @@ -1636,7 +1617,7 @@ static int idetape_add_chrdev_read_request(ide_drive_t *drive, int blocks) debug_log(DBG_PROCS, "Enter %s, %d blocks\n", __func__, blocks); /* If we are at a filemark, return a read length of 0 */ - if (test_bit(IDETAPE_FLAG_FILEMARK, &tape->flags)) + if (test_bit(IDE_AFLAG_FILEMARK, &drive->atapi_flags)) return 0; idetape_init_read(drive); @@ -1746,7 +1727,7 @@ static int idetape_space_over_filemarks(ide_drive_t *drive, short mt_op, if (tape->chrdev_dir == IDETAPE_DIR_READ) { tape->merge_bh_size = 0; - if (test_and_clear_bit(IDETAPE_FLAG_FILEMARK, &tape->flags)) + if (test_and_clear_bit(IDE_AFLAG_FILEMARK, &drive->atapi_flags)) ++count; ide_tape_discard_merge_buffer(drive, 0); } @@ -1801,7 +1782,7 @@ static ssize_t idetape_chrdev_read(struct file *file, char __user *buf, debug_log(DBG_CHRDEV, "Enter %s, count %Zd\n", __func__, count); if (tape->chrdev_dir != IDETAPE_DIR_READ) { - if (test_bit(IDETAPE_FLAG_DETECT_BS, &tape->flags)) + if (test_bit(IDE_AFLAG_DETECT_BS, &drive->atapi_flags)) if (count > tape->blk_size && (count % tape->blk_size) == 0) tape->user_bs_factor = count / tape->blk_size; @@ -1841,7 +1822,7 @@ static ssize_t idetape_chrdev_read(struct file *file, char __user *buf, tape->merge_bh_size = bytes_read-temp; } finish: - if (!actually_read && test_bit(IDETAPE_FLAG_FILEMARK, &tape->flags)) { + if (!actually_read && test_bit(IDE_AFLAG_FILEMARK, &drive->atapi_flags)) { debug_log(DBG_SENSE, "%s: spacing over filemark\n", tape->name); idetape_space_over_filemarks(drive, MTFSF, 1); @@ -2027,7 +2008,7 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count) !IDETAPE_LU_LOAD_MASK); retval = idetape_queue_pc_tail(drive, &pc); if (!retval) - clear_bit(IDETAPE_FLAG_MEDIUM_PRESENT, &tape->flags); + clear_bit(IDE_AFLAG_MEDIUM_PRESENT, &drive->atapi_flags); return retval; case MTNOP: ide_tape_discard_merge_buffer(drive, 0); @@ -2050,9 +2031,9 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count) mt_count % tape->blk_size) return -EIO; tape->user_bs_factor = mt_count / tape->blk_size; - clear_bit(IDETAPE_FLAG_DETECT_BS, &tape->flags); + clear_bit(IDE_AFLAG_DETECT_BS, &drive->atapi_flags); } else - set_bit(IDETAPE_FLAG_DETECT_BS, &tape->flags); + set_bit(IDE_AFLAG_DETECT_BS, &drive->atapi_flags); return 0; case MTSEEK: ide_tape_discard_merge_buffer(drive, 0); @@ -2202,20 +2183,20 @@ static int idetape_chrdev_open(struct inode *inode, struct file *filp) filp->private_data = tape; - if (test_and_set_bit(IDETAPE_FLAG_BUSY, &tape->flags)) { + if (test_and_set_bit(IDE_AFLAG_BUSY, &drive->atapi_flags)) { retval = -EBUSY; goto out_put_tape; } retval = idetape_wait_ready(drive, 60 * HZ); if (retval) { - clear_bit(IDETAPE_FLAG_BUSY, &tape->flags); + clear_bit(IDE_AFLAG_BUSY, &drive->atapi_flags); printk(KERN_ERR "ide-tape: %s: drive not ready\n", tape->name); goto out_put_tape; } idetape_read_position(drive); - if (!test_bit(IDETAPE_FLAG_ADDRESS_VALID, &tape->flags)) + if (!test_bit(IDE_AFLAG_ADDRESS_VALID, &drive->atapi_flags)) (void)idetape_rewind_tape(drive); /* Read block size and write protect status from drive. */ @@ -2231,7 +2212,7 @@ static int idetape_chrdev_open(struct inode *inode, struct file *filp) if (tape->write_prot) { if ((filp->f_flags & O_ACCMODE) == O_WRONLY || (filp->f_flags & O_ACCMODE) == O_RDWR) { - clear_bit(IDETAPE_FLAG_BUSY, &tape->flags); + clear_bit(IDE_AFLAG_BUSY, &drive->atapi_flags); retval = -EROFS; goto out_put_tape; } @@ -2291,7 +2272,7 @@ static int idetape_chrdev_release(struct inode *inode, struct file *filp) ide_tape_discard_merge_buffer(drive, 1); } - if (minor < 128 && test_bit(IDETAPE_FLAG_MEDIUM_PRESENT, &tape->flags)) + if (minor < 128 && test_bit(IDE_AFLAG_MEDIUM_PRESENT, &drive->atapi_flags)) (void) idetape_rewind_tape(drive); if (tape->chrdev_dir == IDETAPE_DIR_NONE) { if (tape->door_locked == DOOR_LOCKED) { @@ -2301,7 +2282,7 @@ static int idetape_chrdev_release(struct inode *inode, struct file *filp) } } } - clear_bit(IDETAPE_FLAG_BUSY, &tape->flags); + clear_bit(IDE_AFLAG_BUSY, &drive->atapi_flags); ide_tape_put(tape); unlock_kernel(); return 0; @@ -2464,6 +2445,8 @@ static void idetape_setup(ide_drive_t *drive, idetape_tape_t *tape, int minor) u8 gcw[2]; u16 *ctl = (u16 *)&tape->caps[12]; + drive->pc_callback = ide_tape_callback; + spin_lock_init(&tape->lock); drive->dsc_overlap = 1; if (drive->hwif->host_flags & IDE_HFLAG_NO_DSC) { @@ -2484,7 +2467,7 @@ static void idetape_setup(ide_drive_t *drive, idetape_tape_t *tape, int minor) /* Command packet DRQ type */ if (((gcw[0] & 0x60) >> 5) == 1) - set_bit(IDETAPE_FLAG_DRQ_INTERRUPT, &tape->flags); + set_bit(IDE_AFLAG_DRQ_INTERRUPT, &drive->atapi_flags); idetape_get_inquiry_results(drive); idetape_get_mode_sense_results(drive); diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c index 1fbdb746dc8..aeddbbd69e8 100644 --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -64,6 +64,7 @@ ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task) ide_hwif_t *hwif = HWIF(drive); struct ide_taskfile *tf = &task->tf; ide_handler_t *handler = NULL; + const struct ide_tp_ops *tp_ops = hwif->tp_ops; const struct ide_dma_ops *dma_ops = hwif->dma_ops; if (task->data_phase == TASKFILE_MULTI_IN || @@ -80,15 +81,15 @@ 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); + tp_ops->set_irq(hwif, 1); SELECT_MASK(drive, 0); - hwif->tf_load(drive, task); + tp_ops->tf_load(drive, task); } switch (task->data_phase) { case TASKFILE_MULTI_OUT: case TASKFILE_OUT: - hwif->OUTBSYNC(hwif, tf->command, hwif->io_ports.command_addr); + tp_ops->exec_command(hwif, tf->command); ndelay(400); /* FIXME */ return pre_task_out_intr(drive, task->rq); case TASKFILE_MULTI_IN: @@ -124,7 +125,8 @@ EXPORT_SYMBOL_GPL(do_rw_taskfile); */ static ide_startstop_t set_multmode_intr(ide_drive_t *drive) { - u8 stat = ide_read_status(drive); + ide_hwif_t *hwif = drive->hwif; + u8 stat = hwif->tp_ops->read_status(hwif); if (OK_STAT(stat, READY_STAT, BAD_STAT)) drive->mult_count = drive->mult_req; @@ -141,11 +143,16 @@ static ide_startstop_t set_multmode_intr(ide_drive_t *drive) */ static ide_startstop_t set_geometry_intr(ide_drive_t *drive) { + ide_hwif_t *hwif = drive->hwif; int retries = 5; u8 stat; - while (((stat = ide_read_status(drive)) & BUSY_STAT) && retries--) + while (1) { + stat = hwif->tp_ops->read_status(hwif); + if ((stat & BUSY_STAT) == 0 || retries-- == 0) + break; udelay(10); + }; if (OK_STAT(stat, READY_STAT, BAD_STAT)) return ide_stopped; @@ -162,7 +169,8 @@ static ide_startstop_t set_geometry_intr(ide_drive_t *drive) */ static ide_startstop_t recal_intr(ide_drive_t *drive) { - u8 stat = ide_read_status(drive); + ide_hwif_t *hwif = drive->hwif; + u8 stat = hwif->tp_ops->read_status(hwif); if (!OK_STAT(stat, READY_STAT, BAD_STAT)) return ide_error(drive, "recal_intr", stat); @@ -174,11 +182,12 @@ static ide_startstop_t recal_intr(ide_drive_t *drive) */ static ide_startstop_t task_no_data_intr(ide_drive_t *drive) { - ide_task_t *args = HWGROUP(drive)->rq->special; + ide_hwif_t *hwif = drive->hwif; + ide_task_t *args = hwif->hwgroup->rq->special; u8 stat; local_irq_enable_in_hardirq(); - stat = ide_read_status(drive); + stat = hwif->tp_ops->read_status(hwif); if (!OK_STAT(stat, READY_STAT, BAD_STAT)) return ide_error(drive, "task_no_data_intr", stat); @@ -192,6 +201,7 @@ static ide_startstop_t task_no_data_intr(ide_drive_t *drive) static u8 wait_drive_not_busy(ide_drive_t *drive) { + ide_hwif_t *hwif = drive->hwif; int retries; u8 stat; @@ -200,7 +210,7 @@ static u8 wait_drive_not_busy(ide_drive_t *drive) * take up to 6 ms on some ATAPI devices, so we will wait max 10 ms. */ for (retries = 0; retries < 1000; retries++) { - stat = ide_read_status(drive); + stat = hwif->tp_ops->read_status(hwif); if (stat & BUSY_STAT) udelay(10); @@ -255,9 +265,9 @@ static void ide_pio_sector(ide_drive_t *drive, struct request *rq, /* do the actual data transfer */ if (write) - hwif->output_data(drive, rq, buf, SECTOR_SIZE); + hwif->tp_ops->output_data(drive, rq, buf, SECTOR_SIZE); else - hwif->input_data(drive, rq, buf, SECTOR_SIZE); + hwif->tp_ops->input_data(drive, rq, buf, SECTOR_SIZE); kunmap_atomic(buf, KM_BIO_SRC_IRQ); #ifdef CONFIG_HIGHMEM @@ -383,8 +393,8 @@ static ide_startstop_t task_in_unexpected(ide_drive_t *drive, struct request *rq static ide_startstop_t task_in_intr(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; - struct request *rq = HWGROUP(drive)->rq; - u8 stat = ide_read_status(drive); + struct request *rq = hwif->hwgroup->rq; + u8 stat = hwif->tp_ops->read_status(hwif); /* Error? */ if (stat & ERR_STAT) @@ -418,7 +428,7 @@ static ide_startstop_t task_out_intr (ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; struct request *rq = HWGROUP(drive)->rq; - u8 stat = ide_read_status(drive); + u8 stat = hwif->tp_ops->read_status(hwif); if (!OK_STAT(stat, DRIVE_READY, drive->bad_wstat)) return task_error(drive, rq, __func__, stat); diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index d4a6b102a77..60f0ca66aa9 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -1,6 +1,6 @@ /* * Copyright (C) 1994-1998 Linus Torvalds & authors (see below) - * Copyrifht (C) 2003-2005, 2007 Bartlomiej Zolnierkiewicz + * Copyright (C) 2003-2005, 2007 Bartlomiej Zolnierkiewicz */ /* @@ -101,8 +101,7 @@ void ide_init_port_data(ide_hwif_t *hwif, unsigned int index) init_completion(&hwif->gendev_rel_comp); - default_hwif_iops(hwif); - default_hwif_transport(hwif); + hwif->tp_ops = &default_tp_ops; ide_port_init_devices_data(hwif); } @@ -134,41 +133,6 @@ static void ide_port_init_devices_data(ide_hwif_t *hwif) } } -void ide_remove_port_from_hwgroup(ide_hwif_t *hwif) -{ - ide_hwgroup_t *hwgroup = hwif->hwgroup; - - spin_lock_irq(&ide_lock); - /* - * Remove us from the hwgroup, and free - * the hwgroup if we were the only member - */ - if (hwif->next == hwif) { - BUG_ON(hwgroup->hwif != hwif); - kfree(hwgroup); - } else { - /* There is another interface in hwgroup. - * Unlink us, and set hwgroup->drive and ->hwif to - * something sane. - */ - ide_hwif_t *g = hwgroup->hwif; - - while (g->next != hwif) - g = g->next; - g->next = hwif->next; - if (hwgroup->hwif == hwif) { - /* Chose a random hwif for hwgroup->hwif. - * It's guaranteed that there are no drives - * left in the hwgroup. - */ - BUG_ON(hwgroup->drive != NULL); - hwgroup->hwif = g; - } - BUG_ON(hwgroup->hwif == hwif); - } - spin_unlock_irq(&ide_lock); -} - /* Called with ide_lock held. */ static void __ide_port_unregister_devices(ide_hwif_t *hwif) { @@ -269,16 +233,9 @@ void ide_unregister(ide_hwif_t *hwif) 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); - spin_unlock_irq(&ide_lock); - mutex_unlock(&ide_cfg_mtx); } -EXPORT_SYMBOL(ide_unregister); - void ide_init_port_hw(ide_hwif_t *hwif, hw_regs_t *hw) { memcpy(&hwif->io_ports, &hw->io_ports, sizeof(hwif->io_ports)); @@ -287,8 +244,8 @@ void ide_init_port_hw(ide_hwif_t *hwif, hw_regs_t *hw) hwif->dev = hw->dev; hwif->gendev.parent = hw->parent ? hw->parent : hw->dev; hwif->ack_intr = hw->ack_intr; + hwif->config_data = hw->config; } -EXPORT_SYMBOL_GPL(ide_init_port_hw); /* * Locks for IDE setting functionality diff --git a/drivers/ide/legacy/buddha.c b/drivers/ide/legacy/buddha.c index 0497e7f85b0..7c2afa97f41 100644 --- a/drivers/ide/legacy/buddha.c +++ b/drivers/ide/legacy/buddha.c @@ -37,6 +37,8 @@ #define CATWEASEL_NUM_HWIFS 3 #define XSURF_NUM_HWIFS 2 +#define MAX_NUM_HWIFS 3 + /* * Bases of the IDE interfaces (relative to the board address) */ @@ -148,18 +150,14 @@ static void __init buddha_setup_ports(hw_regs_t *hw, unsigned long base, static int __init buddha_init(void) { - hw_regs_t hw; - ide_hwif_t *hwif; - int i; - struct zorro_dev *z = NULL; u_long buddha_board = 0; BuddhaType type; - int buddha_num_hwifs; + int buddha_num_hwifs, i; while ((z = zorro_find_device(ZORRO_WILDCARD, z))) { unsigned long board; - u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; + hw_regs_t hw[MAX_NUM_HWIFS], *hws[] = { NULL, NULL, NULL, NULL }; if (z->id == ZORRO_PROD_INDIVIDUAL_COMPUTERS_BUDDHA) { buddha_num_hwifs = BUDDHA_NUM_HWIFS; @@ -221,19 +219,13 @@ fail_base2: ack_intr = xsurf_ack_intr; } - buddha_setup_ports(&hw, base, ctl, irq_port, ack_intr); + buddha_setup_ports(&hw[i], base, ctl, irq_port, + ack_intr); - hwif = ide_find_port(); - if (hwif) { - u8 index = hwif->index; - - ide_init_port_hw(hwif, &hw); - - idx[i] = index; - } + hws[i] = &hw[i]; } - ide_device_add(idx, NULL); + ide_host_add(NULL, hws, NULL); } return 0; diff --git a/drivers/ide/legacy/falconide.c b/drivers/ide/legacy/falconide.c index 129a812bb57..724f95073d8 100644 --- a/drivers/ide/legacy/falconide.c +++ b/drivers/ide/legacy/falconide.c @@ -66,6 +66,27 @@ static void falconide_output_data(ide_drive_t *drive, struct request *rq, outsw_swapw(data_addr, buf, (len + 1) / 2); } +/* Atari has a byte-swapped IDE interface */ +static const struct ide_tp_ops falconide_tp_ops = { + .exec_command = ide_exec_command, + .read_status = ide_read_status, + .read_altstatus = ide_read_altstatus, + .read_sff_dma_status = ide_read_sff_dma_status, + + .set_irq = ide_set_irq, + + .tf_load = ide_tf_load, + .tf_read = ide_tf_read, + + .input_data = falconide_input_data, + .output_data = falconide_output_data, +}; + +static const struct ide_port_info falconide_port_info = { + .tp_ops = &falconide_tp_ops, + .host_flags = IDE_HFLAG_NO_DMA, +}; + static void __init falconide_setup_ports(hw_regs_t *hw) { int i; @@ -91,11 +112,12 @@ static void __init falconide_setup_ports(hw_regs_t *hw) static int __init falconide_init(void) { - hw_regs_t hw; - ide_hwif_t *hwif; + struct ide_host *host; + hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; + int rc; if (!MACH_IS_ATARI || !ATARIHW_PRESENT(IDE)) - return 0; + return -ENODEV; printk(KERN_INFO "ide: Falcon IDE controller\n"); @@ -106,23 +128,25 @@ static int __init falconide_init(void) falconide_setup_ports(&hw); - hwif = ide_find_port(); - if (hwif) { - u8 index = hwif->index; - u8 idx[4] = { index, 0xff, 0xff, 0xff }; - - ide_init_port_hw(hwif, &hw); + host = ide_host_alloc(&falconide_port_info, hws); + if (host == NULL) { + rc = -ENOMEM; + goto err; + } - /* Atari has a byte-swapped IDE interface */ - hwif->input_data = falconide_input_data; - hwif->output_data = falconide_output_data; + ide_get_lock(NULL, NULL); + rc = ide_host_register(host, &falconide_port_info, hws); + ide_release_lock(); - ide_get_lock(NULL, NULL); - ide_device_add(idx, NULL); - ide_release_lock(); - } + if (rc) + goto err_free; return 0; +err_free: + ide_host_free(host); +err: + release_mem_region(ATA_HD_BASE, 0x40); + return rc; } module_init(falconide_init); diff --git a/drivers/ide/legacy/gayle.c b/drivers/ide/legacy/gayle.c index 7e74b20202d..dd5c467d8dd 100644 --- a/drivers/ide/legacy/gayle.c +++ b/drivers/ide/legacy/gayle.c @@ -31,6 +31,8 @@ #define GAYLE_BASE_4000 0xdd2020 /* A4000/A4000T */ #define GAYLE_BASE_1200 0xda0000 /* A1200/A600 and E-Matrix 530 */ +#define GAYLE_IDEREG_SIZE 0x2000 + /* * Offsets from one of the above bases */ @@ -56,13 +58,11 @@ #define GAYLE_NUM_HWIFS 1 #define GAYLE_NUM_PROBE_HWIFS GAYLE_NUM_HWIFS #define GAYLE_HAS_CONTROL_REG 1 -#define GAYLE_IDEREG_SIZE 0x2000 #else /* CONFIG_BLK_DEV_IDEDOUBLER */ #define GAYLE_NUM_HWIFS 2 #define GAYLE_NUM_PROBE_HWIFS (ide_doubler ? GAYLE_NUM_HWIFS : \ GAYLE_NUM_HWIFS-1) #define GAYLE_HAS_CONTROL_REG (!ide_doubler) -#define GAYLE_IDEREG_SIZE (ide_doubler ? 0x1000 : 0x2000) static int ide_doubler; module_param_named(doubler, ide_doubler, bool, 0); @@ -124,8 +124,11 @@ static void __init gayle_setup_ports(hw_regs_t *hw, unsigned long base, static int __init gayle_init(void) { + unsigned long phys_base, res_start, res_n; + unsigned long base, ctrlport, irqport; + ide_ack_intr_t *ack_intr; int a4000, i; - u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; + hw_regs_t hw[GAYLE_NUM_HWIFS], *hws[] = { NULL, NULL, NULL, NULL }; if (!MACH_IS_AMIGA) return -ENODEV; @@ -148,13 +151,6 @@ found: #endif ""); - for (i = 0; i < GAYLE_NUM_PROBE_HWIFS; i++) { - unsigned long base, ctrlport, irqport; - ide_ack_intr_t *ack_intr; - hw_regs_t hw; - ide_hwif_t *hwif; - unsigned long phys_base, res_start, res_n; - if (a4000) { phys_base = GAYLE_BASE_4000; irqport = (unsigned long)ZTWO_VADDR(GAYLE_IRQ_4000); @@ -168,33 +164,22 @@ found: * FIXME: we now have selectable modes between mmio v/s iomio */ - phys_base += i*GAYLE_NEXT_PORT; - res_start = ((unsigned long)phys_base) & ~(GAYLE_NEXT_PORT-1); res_n = GAYLE_IDEREG_SIZE; if (!request_mem_region(res_start, res_n, "IDE")) - continue; + return -EBUSY; - base = (unsigned long)ZTWO_VADDR(phys_base); + for (i = 0; i < GAYLE_NUM_PROBE_HWIFS; i++) { + base = (unsigned long)ZTWO_VADDR(phys_base + i * GAYLE_NEXT_PORT); ctrlport = GAYLE_HAS_CONTROL_REG ? (base + GAYLE_CONTROL) : 0; - gayle_setup_ports(&hw, base, ctrlport, irqport, ack_intr); - - hwif = ide_find_port(); - if (hwif) { - u8 index = hwif->index; + gayle_setup_ports(&hw[i], base, ctrlport, irqport, ack_intr); - ide_init_port_hw(hwif, &hw); - - idx[i] = index; - } else - release_mem_region(res_start, res_n); + hws[i] = &hw[i]; } - ide_device_add(idx, NULL); - - return 0; + return ide_host_add(NULL, hws, NULL); } module_init(gayle_init); diff --git a/drivers/ide/legacy/ide-4drives.c b/drivers/ide/legacy/ide-4drives.c index 89c8ff0a4d0..c76d55de699 100644 --- a/drivers/ide/legacy/ide-4drives.c +++ b/drivers/ide/legacy/ide-4drives.c @@ -28,10 +28,8 @@ static const struct ide_port_info ide_4drives_port_info = { static int __init ide_4drives_init(void) { - ide_hwif_t *hwif, *mate; unsigned long base = 0x1f0, ctl = 0x3f6; - u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; - hw_regs_t hw; + hw_regs_t hw, *hws[] = { &hw, &hw, NULL, NULL }; if (probe_4drives == 0) return -ENODEV; @@ -55,21 +53,7 @@ static int __init ide_4drives_init(void) hw.irq = 14; hw.chipset = ide_4drives; - hwif = ide_find_port(); - if (hwif) { - ide_init_port_hw(hwif, &hw); - idx[0] = hwif->index; - } - - mate = ide_find_port(); - if (mate) { - ide_init_port_hw(mate, &hw); - idx[1] = mate->index; - } - - ide_device_add(idx, &ide_4drives_port_info); - - return 0; + return ide_host_add(&ide_4drives_port_info, hws, NULL); } module_init(ide_4drives_init); diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c index 27b1e0b7ecb..21bfac13784 100644 --- a/drivers/ide/legacy/ide-cs.c +++ b/drivers/ide/legacy/ide-cs.c @@ -74,7 +74,7 @@ INT_MODULE_PARM(pc_debug, 0); typedef struct ide_info_t { struct pcmcia_device *p_dev; - ide_hwif_t *hwif; + struct ide_host *host; int ndev; dev_node_t node; } ide_info_t; @@ -132,7 +132,7 @@ static int ide_probe(struct pcmcia_device *link) static void ide_detach(struct pcmcia_device *link) { ide_info_t *info = link->priv; - ide_hwif_t *hwif = info->hwif; + ide_hwif_t *hwif = info->host->ports[0]; unsigned long data_addr, ctl_addr; DEBUG(0, "ide_detach(0x%p)\n", link); @@ -157,13 +157,13 @@ static const struct ide_port_info idecs_port_info = { .host_flags = IDE_HFLAG_NO_DMA, }; -static ide_hwif_t *idecs_register(unsigned long io, unsigned long ctl, +static struct ide_host *idecs_register(unsigned long io, unsigned long ctl, unsigned long irq, struct pcmcia_device *handle) { + struct ide_host *host; ide_hwif_t *hwif; - hw_regs_t hw; - int i; - u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; + int i, rc; + hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; if (!request_region(io, 8, DRV_NAME)) { printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n", @@ -184,30 +184,24 @@ static ide_hwif_t *idecs_register(unsigned long io, unsigned long ctl, hw.chipset = ide_pci; hw.dev = &handle->dev; - hwif = ide_find_port(); - if (hwif == NULL) + rc = ide_host_add(&idecs_port_info, hws, &host); + if (rc) goto out_release; - i = hwif->index; - - ide_init_port_hw(hwif, &hw); - - idx[0] = i; - - ide_device_add(idx, &idecs_port_info); + hwif = host->ports[0]; if (hwif->present) - return hwif; + return host; /* 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 host; } - return hwif; + return host; out_release: release_region(ctl, 1); @@ -239,7 +233,7 @@ static int ide_config(struct pcmcia_device *link) cistpl_cftable_entry_t *cfg; int pass, last_ret = 0, last_fn = 0, is_kme = 0; unsigned long io_base, ctl_base; - ide_hwif_t *hwif; + struct ide_host *host; DEBUG(0, "ide_config(0x%p)\n", link); @@ -334,21 +328,21 @@ static int ide_config(struct pcmcia_device *link) if (is_kme) outb(0x81, ctl_base+1); - hwif = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ, link); - if (hwif == NULL && link->io.NumPorts1 == 0x20) { + host = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ, link); + if (host == NULL && link->io.NumPorts1 == 0x20) { outb(0x02, ctl_base + 0x10); - hwif = idecs_register(io_base + 0x10, ctl_base + 0x10, + host = idecs_register(io_base + 0x10, ctl_base + 0x10, link->irq.AssignedIRQ, link); } - if (hwif == NULL) + if (host == NULL) goto failed; info->ndev = 1; - sprintf(info->node.dev_name, "hd%c", 'a' + hwif->index * 2); - info->node.major = hwif->major; + sprintf(info->node.dev_name, "hd%c", 'a' + host->ports[0]->index * 2); + info->node.major = host->ports[0]->major; info->node.minor = 0; - info->hwif = hwif; + info->host = host; link->dev_node = &info->node; printk(KERN_INFO "ide-cs: %s: Vpp = %d.%d\n", info->node.dev_name, link->conf.Vpp / 10, link->conf.Vpp % 10); @@ -379,15 +373,15 @@ failed: static void ide_release(struct pcmcia_device *link) { ide_info_t *info = link->priv; - ide_hwif_t *hwif = info->hwif; + struct ide_host *host = info->host; DEBUG(0, "ide_release(0x%p)\n", link); - if (info->ndev) { + if (info->ndev) /* FIXME: if this fails we need to queue the cleanup somehow -- need to investigate the required PCMCIA magic */ - ide_unregister(hwif); - } + ide_host_remove(host); + info->ndev = 0; pcmcia_disable_device(link); diff --git a/drivers/ide/legacy/ide_platform.c b/drivers/ide/legacy/ide_platform.c index a249562b34b..051b4ab0f35 100644 --- a/drivers/ide/legacy/ide_platform.c +++ b/drivers/ide/legacy/ide_platform.c @@ -52,12 +52,10 @@ static int __devinit plat_ide_probe(struct platform_device *pdev) { struct resource *res_base, *res_alt, *res_irq; void __iomem *base, *alt_base; - ide_hwif_t *hwif; struct pata_platform_info *pdata; - u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; - int ret = 0; - int mmio = 0; - hw_regs_t hw; + struct ide_host *host; + int ret = 0, mmio = 0; + hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; struct ide_port_info d = platform_ide_port_info; pdata = pdev->dev.platform_data; @@ -94,28 +92,18 @@ static int __devinit plat_ide_probe(struct platform_device *pdev) res_alt->start, res_alt->end - res_alt->start + 1); } - hwif = ide_find_port(); - if (!hwif) { - ret = -ENODEV; - goto out; - } - memset(&hw, 0, sizeof(hw)); plat_ide_setup_ports(&hw, base, alt_base, pdata, res_irq->start); hw.dev = &pdev->dev; - ide_init_port_hw(hwif, &hw); - - if (mmio) { + if (mmio) d.host_flags |= IDE_HFLAG_MMIO; - default_hwif_mmiops(hwif); - } - idx[0] = hwif->index; - - ide_device_add(idx, &d); + ret = ide_host_add(&d, hws, &host); + if (ret) + goto out; - platform_set_drvdata(pdev, hwif); + platform_set_drvdata(pdev, host); return 0; @@ -125,9 +113,9 @@ out: static int __devexit plat_ide_remove(struct platform_device *pdev) { - ide_hwif_t *hwif = pdev->dev.driver_data; + struct ide_host *host = pdev->dev.driver_data; - ide_unregister(hwif); + ide_host_remove(host); return 0; } diff --git a/drivers/ide/legacy/macide.c b/drivers/ide/legacy/macide.c index 0a6195bcfed..a0bb167980e 100644 --- a/drivers/ide/legacy/macide.c +++ b/drivers/ide/legacy/macide.c @@ -91,11 +91,10 @@ static const char *mac_ide_name[] = static int __init macide_init(void) { - ide_hwif_t *hwif; ide_ack_intr_t *ack_intr; unsigned long base; int irq; - hw_regs_t hw; + hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; if (!MACH_IS_MAC) return -ENODEV; @@ -125,17 +124,7 @@ static int __init macide_init(void) macide_setup_ports(&hw, base, irq, ack_intr); - hwif = ide_find_port(); - if (hwif) { - u8 index = hwif->index; - u8 idx[4] = { index, 0xff, 0xff, 0xff }; - - ide_init_port_hw(hwif, &hw); - - ide_device_add(idx, NULL); - } - - return 0; + return ide_host_add(NULL, hws, NULL); } module_init(macide_init); diff --git a/drivers/ide/legacy/q40ide.c b/drivers/ide/legacy/q40ide.c index 9c2b9d078f6..4abd8fc7819 100644 --- a/drivers/ide/legacy/q40ide.c +++ b/drivers/ide/legacy/q40ide.c @@ -96,6 +96,27 @@ static void q40ide_output_data(ide_drive_t *drive, struct request *rq, outsw_swapw(data_addr, buf, (len + 1) / 2); } +/* Q40 has a byte-swapped IDE interface */ +static const struct ide_tp_ops q40ide_tp_ops = { + .exec_command = ide_exec_command, + .read_status = ide_read_status, + .read_altstatus = ide_read_altstatus, + .read_sff_dma_status = ide_read_sff_dma_status, + + .set_irq = ide_set_irq, + + .tf_load = ide_tf_load, + .tf_read = ide_tf_read, + + .input_data = q40ide_input_data, + .output_data = q40ide_output_data, +}; + +static const struct ide_port_info q40ide_port_info = { + .tp_ops = &q40ide_tp_ops, + .host_flags = IDE_HFLAG_NO_DMA, +}; + /* * the static array is needed to have the name reported in /proc/ioports, * hwif->name unfortunately isn't available yet @@ -111,9 +132,7 @@ static const char *q40_ide_names[Q40IDE_NUM_HWIFS]={ static int __init q40ide_init(void) { int i; - ide_hwif_t *hwif; - const char *name; - u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; + hw_regs_t hw[Q40IDE_NUM_HWIFS], *hws[] = { NULL, NULL, NULL, NULL }; if (!MACH_IS_Q40) return -ENODEV; @@ -121,9 +140,8 @@ static int __init q40ide_init(void) printk(KERN_INFO "ide: Q40 IDE controller\n"); for (i = 0; i < Q40IDE_NUM_HWIFS; i++) { - hw_regs_t hw; + const char *name = q40_ide_names[i]; - name = q40_ide_names[i]; if (!request_region(pcide_bases[i], 8, name)) { printk("could not reserve ports %lx-%lx for %s\n", pcide_bases[i],pcide_bases[i]+8,name); @@ -135,26 +153,13 @@ static int __init q40ide_init(void) release_region(pcide_bases[i], 8); continue; } - q40_ide_setup_ports(&hw, pcide_bases[i], - NULL, -// m68kide_iops, + q40_ide_setup_ports(&hw[i], pcide_bases[i], NULL, q40ide_default_irq(pcide_bases[i])); - hwif = ide_find_port(); - if (hwif) { - ide_init_port_hw(hwif, &hw); - - /* Q40 has a byte-swapped IDE interface */ - hwif->input_data = q40ide_input_data; - hwif->output_data = q40ide_output_data; - - idx[i] = hwif->index; - } + hws[i] = &hw[i]; } - ide_device_add(idx, NULL); - - return 0; + return ide_host_add(&q40ide_port_info, hws, NULL); } module_init(q40ide_init); diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c index 48d57cae63c..11b7f61aae4 100644 --- a/drivers/ide/mips/au1xxx-ide.c +++ b/drivers/ide/mips/au1xxx-ide.c @@ -519,6 +519,23 @@ static void auide_setup_ports(hw_regs_t *hw, _auide_hwif *ahwif) *ata_regs = ahwif->regbase + (14 << IDE_REG_SHIFT); } +#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA +static const struct ide_tp_ops au1xxx_tp_ops = { + .exec_command = ide_exec_command, + .read_status = ide_read_status, + .read_altstatus = ide_read_altstatus, + .read_sff_dma_status = ide_read_sff_dma_status, + + .set_irq = ide_set_irq, + + .tf_load = ide_tf_load, + .tf_read = ide_tf_read, + + .input_data = au1xxx_input_data, + .output_data = au1xxx_output_data, +}; +#endif + static const struct ide_port_ops au1xxx_port_ops = { .set_pio_mode = au1xxx_set_pio_mode, .set_dma_mode = auide_set_dma_mode, @@ -526,6 +543,9 @@ static const struct ide_port_ops au1xxx_port_ops = { static const struct ide_port_info au1xxx_port_info = { .init_dma = auide_ddma_init, +#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA + .tp_ops = &au1xxx_tp_ops, +#endif .port_ops = &au1xxx_port_ops, #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA .dma_ops = &au1xxx_dma_ops, @@ -543,11 +563,10 @@ static int au_ide_probe(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); _auide_hwif *ahwif = &auide_hwif; - ide_hwif_t *hwif; struct resource *res; + struct ide_host *host; int ret = 0; - u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; - hw_regs_t hw; + hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; #if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA) char *mode = "MWDMA2"; @@ -584,36 +603,19 @@ static int au_ide_probe(struct device *dev) goto out; } - hwif = ide_find_port(); - if (hwif == NULL) { - ret = -ENOENT; - goto out; - } - memset(&hw, 0, sizeof(hw)); auide_setup_ports(&hw, ahwif); hw.irq = ahwif->irq; hw.dev = dev; hw.chipset = ide_au1xxx; - ide_init_port_hw(hwif, &hw); - - /* If the user has selected DDMA assisted copies, - then set up a few local I/O function entry points - */ - -#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA - hwif->input_data = au1xxx_input_data; - hwif->output_data = au1xxx_output_data; -#endif - - auide_hwif.hwif = hwif; - - idx[0] = hwif->index; + ret = ide_host_add(&au1xxx_port_info, hws, &host); + if (ret) + goto out; - ide_device_add(idx, &au1xxx_port_info); + auide_hwif.hwif = host->ports[0]; - dev_set_drvdata(dev, hwif); + dev_set_drvdata(dev, host); printk(KERN_INFO "Au1xxx IDE(builtin) configured for %s\n", mode ); @@ -625,10 +627,10 @@ static int au_ide_remove(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct resource *res; - ide_hwif_t *hwif = dev_get_drvdata(dev); + struct ide_host *host = dev_get_drvdata(dev); _auide_hwif *ahwif = &auide_hwif; - ide_unregister(hwif); + ide_host_remove(host); iounmap((void *)ahwif->regbase); diff --git a/drivers/ide/mips/swarm.c b/drivers/ide/mips/swarm.c index 9f1212cc4ae..badf79fc9e3 100644 --- a/drivers/ide/mips/swarm.c +++ b/drivers/ide/mips/swarm.c @@ -72,12 +72,11 @@ static const struct ide_port_info swarm_port_info = { */ static int __devinit swarm_ide_probe(struct device *dev) { - ide_hwif_t *hwif; u8 __iomem *base; + struct ide_host *host; phys_t offset, size; - hw_regs_t hw; - int i; - u8 idx[] = { 0xff, 0xff, 0xff, 0xff }; + int i, rc; + hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; if (!SIBYTE_HAVE_IDE) return -ENODEV; @@ -116,26 +115,17 @@ 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) + rc = ide_host_add(&swarm_port_info, hws, &host); + if (rc) goto err; - ide_init_port_hw(hwif, &hw); - - /* Setup MMIO ops. */ - default_hwif_mmiops(hwif); - - idx[0] = hwif->index; - - ide_device_add(idx, &swarm_port_info); - - dev_set_drvdata(dev, hwif); + dev_set_drvdata(dev, host); return 0; err: release_resource(&swarm_ide_resource); iounmap(base); - return -ENOMEM; + return rc; } static struct device_driver swarm_ide_driver = { diff --git a/drivers/ide/pci/aec62xx.c b/drivers/ide/pci/aec62xx.c index ae7a4329a58..fbc43e121e6 100644 --- a/drivers/ide/pci/aec62xx.c +++ b/drivers/ide/pci/aec62xx.c @@ -195,7 +195,6 @@ static const struct ide_port_info aec62xx_chipsets[] __devinitdata = { .host_flags = IDE_HFLAG_SERIALIZE | IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_NO_DSC | - IDE_HFLAG_ABUSE_SET_DMA_MODE | IDE_HFLAG_OFF_BOARD, .pio_mask = ATA_PIO4, .mwdma_mask = ATA_MWDMA2, @@ -205,7 +204,6 @@ static const struct ide_port_info aec62xx_chipsets[] __devinitdata = { .init_chipset = init_chipset_aec62xx, .port_ops = &atp86x_port_ops, .host_flags = IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_NO_AUTODMA | - IDE_HFLAG_ABUSE_SET_DMA_MODE | IDE_HFLAG_OFF_BOARD, .pio_mask = ATA_PIO4, .mwdma_mask = ATA_MWDMA2, @@ -216,7 +214,6 @@ static const struct ide_port_info aec62xx_chipsets[] __devinitdata = { .enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}}, .port_ops = &atp86x_port_ops, .host_flags = IDE_HFLAG_NO_ATAPI_DMA | - IDE_HFLAG_ABUSE_SET_DMA_MODE | IDE_HFLAG_NON_BOOTABLE, .pio_mask = ATA_PIO4, .mwdma_mask = ATA_MWDMA2, @@ -226,7 +223,6 @@ static const struct ide_port_info aec62xx_chipsets[] __devinitdata = { .init_chipset = init_chipset_aec62xx, .port_ops = &atp86x_port_ops, .host_flags = IDE_HFLAG_NO_ATAPI_DMA | - IDE_HFLAG_ABUSE_SET_DMA_MODE | IDE_HFLAG_OFF_BOARD, .pio_mask = ATA_PIO4, .mwdma_mask = ATA_MWDMA2, @@ -237,7 +233,6 @@ static const struct ide_port_info aec62xx_chipsets[] __devinitdata = { .enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}}, .port_ops = &atp86x_port_ops, .host_flags = IDE_HFLAG_NO_ATAPI_DMA | - IDE_HFLAG_ABUSE_SET_DMA_MODE | IDE_HFLAG_OFF_BOARD, .pio_mask = ATA_PIO4, .mwdma_mask = ATA_MWDMA2, diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c index 80d19c0eb78..5ef7817ac64 100644 --- a/drivers/ide/pci/alim15x3.c +++ b/drivers/ide/pci/alim15x3.c @@ -471,7 +471,15 @@ static int __devinit init_dma_ali15x3(ide_hwif_t *hwif, struct pci_dev *dev = to_pci_dev(hwif->dev); unsigned long base = ide_pci_dma_base(hwif, d); - if (base == 0 || ide_pci_set_master(dev, d->name) < 0) + if (base == 0) + return -1; + + hwif->dma_base = base; + + if (ide_pci_check_simplex(hwif, d) < 0) + return -1; + + if (ide_pci_set_master(dev, d->name) < 0) return -1; if (!hwif->channel) @@ -483,7 +491,7 @@ static int __devinit init_dma_ali15x3(ide_hwif_t *hwif, if (ide_allocate_dma_engine(hwif)) return -1; - ide_setup_dma(hwif, base); + hwif->dma_ops = &sff_dma_ops; return 0; } diff --git a/drivers/ide/pci/amd74xx.c b/drivers/ide/pci/amd74xx.c index 0bfcdd0e77b..ef7d971031e 100644 --- a/drivers/ide/pci/amd74xx.c +++ b/drivers/ide/pci/amd74xx.c @@ -218,7 +218,6 @@ static const struct ide_port_ops amd_port_ops = { #define IDE_HFLAGS_AMD \ (IDE_HFLAG_PIO_NO_BLACKLIST | \ - IDE_HFLAG_ABUSE_SET_DMA_MODE | \ IDE_HFLAG_POST_SET_MODE | \ IDE_HFLAG_IO_32BIT | \ IDE_HFLAG_UNMASK_IRQS) diff --git a/drivers/ide/pci/cmd640.c b/drivers/ide/pci/cmd640.c index 1ad1e23e310..e6c62006ca1 100644 --- a/drivers/ide/pci/cmd640.c +++ b/drivers/ide/pci/cmd640.c @@ -181,11 +181,6 @@ static u8 recovery_counts[4] = {16, 16, 16, 16}; /* Recovery count (encoded) */ static DEFINE_SPINLOCK(cmd640_lock); /* - * These are initialized to point at the devices we control - */ -static ide_hwif_t *cmd_hwif0, *cmd_hwif1; - -/* * Interface to access cmd640x registers */ static unsigned int cmd640_key; @@ -717,8 +712,7 @@ static int __init cmd640x_init(void) int second_port_cmd640 = 0, rc; const char *bus_type, *port2; u8 b, cfr; - u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; - hw_regs_t hw[2]; + hw_regs_t hw[2], *hws[] = { NULL, NULL, NULL, NULL }; if (cmd640_vlb && probe_for_cmd640_vlb()) { bus_type = "VLB"; @@ -781,15 +775,10 @@ static int __init cmd640x_init(void) printk(KERN_INFO "cmd640: buggy cmd640%c interface on %s, config=0x%02x" "\n", 'a' + cmd640_chip_version - 1, bus_type, cfr); - cmd_hwif0 = ide_find_port(); - /* * Initialize data for primary port */ - if (cmd_hwif0) { - ide_init_port_hw(cmd_hwif0, &hw[0]); - idx[0] = cmd_hwif0->index; - } + hws[0] = &hw[0]; /* * Ensure compatibility by always using the slowest timings @@ -829,13 +818,9 @@ static int __init cmd640x_init(void) /* * Initialize data for secondary cmd640 port, if enabled */ - 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; - } - } + if (second_port_cmd640) + hws[1] = &hw[1]; + printk(KERN_INFO "cmd640: %sserialized, secondary interface %s\n", second_port_cmd640 ? "" : "not ", port2); @@ -843,9 +828,7 @@ static int __init cmd640x_init(void) cmd640_dump_regs(); #endif - ide_device_add(idx, &cmd640_port_info); - - return 1; + return ide_host_add(&cmd640_port_info, hws, NULL); } module_param_named(probe_vlb, cmd640_vlb, bool, 0); diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c index cfa784bacf4..ce58bfcdb3c 100644 --- a/drivers/ide/pci/cmd64x.c +++ b/drivers/ide/pci/cmd64x.c @@ -262,7 +262,7 @@ static int cmd648_dma_test_irq(ide_drive_t *drive) unsigned long base = hwif->dma_base - (hwif->channel * 8); u8 irq_mask = hwif->channel ? MRDMODE_INTR_CH1 : MRDMODE_INTR_CH0; - u8 dma_stat = inb(hwif->dma_status); + u8 dma_stat = inb(hwif->dma_base + ATA_DMA_STATUS); u8 mrdmode = inb(base + 1); #ifdef DEBUG @@ -286,7 +286,7 @@ static int cmd64x_dma_test_irq(ide_drive_t *drive) int irq_reg = hwif->channel ? ARTTIM23 : CFR; u8 irq_mask = hwif->channel ? ARTTIM23_INTR_CH1 : CFR_INTR_CH0; - u8 dma_stat = inb(hwif->dma_status); + u8 dma_stat = inb(hwif->dma_base + ATA_DMA_STATUS); u8 irq_stat = 0; (void) pci_read_config_byte(dev, irq_reg, &irq_stat); @@ -317,13 +317,13 @@ static int cmd646_1_dma_end(ide_drive_t *drive) drive->waiting_for_dma = 0; /* get DMA status */ - dma_stat = inb(hwif->dma_status); + dma_stat = inb(hwif->dma_base + ATA_DMA_STATUS); /* read DMA command state */ - dma_cmd = inb(hwif->dma_command); + dma_cmd = inb(hwif->dma_base + ATA_DMA_CMD); /* stop DMA */ - outb(dma_cmd & ~1, hwif->dma_command); + outb(dma_cmd & ~1, hwif->dma_base + ATA_DMA_CMD); /* clear the INTR & ERROR bits */ - outb(dma_stat | 6, hwif->dma_status); + outb(dma_stat | 6, hwif->dma_base + ATA_DMA_STATUS); /* and free any DMA resources */ ide_destroy_dmatable(drive); /* verify good DMA status */ diff --git a/drivers/ide/pci/cs5520.c b/drivers/ide/pci/cs5520.c index 992b1cf8db6..b03d8ae947e 100644 --- a/drivers/ide/pci/cs5520.c +++ b/drivers/ide/pci/cs5520.c @@ -62,8 +62,6 @@ static void cs5520_set_pio_mode(ide_drive_t *drive, const u8 pio) struct pci_dev *pdev = to_pci_dev(hwif->dev); int controller = drive->dn > 1 ? 1 : 0; - /* FIXME: if DMA = 1 do we need to set the DMA bit here ? */ - /* 8bit CAT/CRT - 8bit command timing for channel */ pci_write_config_byte(pdev, 0x62 + controller, (cs5520_pio_clocks[pio].recovery << 4) | @@ -89,46 +87,17 @@ static void cs5520_set_dma_mode(ide_drive_t *drive, const u8 speed) cs5520_set_pio_mode(drive, 0); } -/* - * We wrap the DMA activate to set the vdma flag. This is needed - * so that the IDE DMA layer issues PIO not DMA commands over the - * DMA channel - * - * ATAPI is harder so disable it for now using IDE_HFLAG_NO_ATAPI_DMA - */ - -static void cs5520_dma_host_set(ide_drive_t *drive, int on) -{ - drive->vdma = on; - ide_dma_host_set(drive, on); -} - static const struct ide_port_ops cs5520_port_ops = { .set_pio_mode = cs5520_set_pio_mode, .set_dma_mode = cs5520_set_dma_mode, }; -static const struct ide_dma_ops cs5520_dma_ops = { - .dma_host_set = cs5520_dma_host_set, - .dma_setup = ide_dma_setup, - .dma_exec_cmd = ide_dma_exec_cmd, - .dma_start = ide_dma_start, - .dma_end = __ide_dma_end, - .dma_test_irq = ide_dma_test_irq, - .dma_lost_irq = ide_dma_lost_irq, - .dma_timeout = ide_dma_timeout, -}; - -/* FIXME: VDMA is disabled because it caused system hangs */ #define DECLARE_CS_DEV(name_str) \ { \ .name = name_str, \ .port_ops = &cs5520_port_ops, \ - .dma_ops = &cs5520_dma_ops, \ .host_flags = IDE_HFLAG_ISA_PORTS | \ - IDE_HFLAG_CS5520 | \ - IDE_HFLAG_NO_ATAPI_DMA | \ - IDE_HFLAG_ABUSE_SET_DMA_MODE, \ + IDE_HFLAG_CS5520, \ .pio_mask = ATA_PIO4, \ } @@ -146,7 +115,7 @@ static const struct ide_port_info cyrix_chipsets[] __devinitdata = { static int __devinit cs5520_init_one(struct pci_dev *dev, const struct pci_device_id *id) { const struct ide_port_info *d = &cyrix_chipsets[id->driver_data]; - u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; + hw_regs_t hw[4], *hws[] = { NULL, NULL, NULL, NULL }; ide_setup_pci_noise(dev, d); @@ -168,11 +137,9 @@ static int __devinit cs5520_init_one(struct pci_dev *dev, const struct pci_devic * do all the device setup for us */ - ide_pci_setup_ports(dev, d, 14, &idx[0]); - - ide_device_add(idx, d); + ide_pci_setup_ports(dev, d, 14, &hw[0], &hws[0]); - return 0; + return ide_host_add(d, hws, NULL); } static const struct pci_device_id cs5520_pci_tbl[] = { diff --git a/drivers/ide/pci/cs5535.c b/drivers/ide/pci/cs5535.c index dc97c48623f..5404fe4f701 100644 --- a/drivers/ide/pci/cs5535.c +++ b/drivers/ide/pci/cs5535.c @@ -171,8 +171,7 @@ static const struct ide_port_ops cs5535_port_ops = { static const struct ide_port_info cs5535_chipset __devinitdata = { .name = "CS5535", .port_ops = &cs5535_port_ops, - .host_flags = IDE_HFLAG_SINGLE | IDE_HFLAG_POST_SET_MODE | - IDE_HFLAG_ABUSE_SET_DMA_MODE, + .host_flags = IDE_HFLAG_SINGLE | IDE_HFLAG_POST_SET_MODE, .pio_mask = ATA_PIO4, .mwdma_mask = ATA_MWDMA2, .udma_mask = ATA_UDMA4, diff --git a/drivers/ide/pci/delkin_cb.c b/drivers/ide/pci/delkin_cb.c index 0106e2a2df7..f84bfb4f600 100644 --- a/drivers/ide/pci/delkin_cb.c +++ b/drivers/ide/pci/delkin_cb.c @@ -56,11 +56,10 @@ static const struct ide_port_info delkin_cb_port_info = { static int __devinit delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id) { + struct ide_host *host; unsigned long base; - hw_regs_t hw; - ide_hwif_t *hwif = NULL; int i, rc; - u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; + hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; rc = pci_enable_device(dev); if (rc) { @@ -87,34 +86,26 @@ delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id) hw.dev = &dev->dev; hw.chipset = ide_pci; /* this enables IRQ sharing */ - hwif = ide_find_port(); - if (hwif == NULL) + rc = ide_host_add(&delkin_cb_port_info, hws, &host); + if (rc) goto out_disable; - i = hwif->index; - - ide_init_port_hw(hwif, &hw); - - idx[0] = i; - - ide_device_add(idx, &delkin_cb_port_info); - - pci_set_drvdata(dev, hwif); + pci_set_drvdata(dev, host); return 0; out_disable: pci_release_regions(dev); pci_disable_device(dev); - return -ENODEV; + return rc; } static void delkin_cb_remove (struct pci_dev *dev) { - ide_hwif_t *hwif = pci_get_drvdata(dev); + struct ide_host *host = pci_get_drvdata(dev); - ide_unregister(hwif); + ide_host_remove(host); pci_release_regions(dev); pci_disable_device(dev); diff --git a/drivers/ide/pci/hpt34x.c b/drivers/ide/pci/hpt34x.c index 84c36c11719..9e1d1c4741d 100644 --- a/drivers/ide/pci/hpt34x.c +++ b/drivers/ide/pci/hpt34x.c @@ -123,7 +123,6 @@ static const struct ide_port_ops hpt34x_port_ops = { #define IDE_HFLAGS_HPT34X \ (IDE_HFLAG_NO_ATAPI_DMA | \ IDE_HFLAG_NO_DSC | \ - IDE_HFLAG_ABUSE_SET_DMA_MODE | \ IDE_HFLAG_NO_AUTODMA) static const struct ide_port_info hpt34x_chipsets[] __devinitdata = { diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c index 397c6cbe953..1f1135ce7cd 100644 --- a/drivers/ide/pci/hpt366.c +++ b/drivers/ide/pci/hpt366.c @@ -801,9 +801,9 @@ static void hpt370_irq_timeout(ide_drive_t *drive) printk(KERN_DEBUG "%s: %d bytes in FIFO\n", drive->name, bfifo & 0x1ff); /* get DMA command mode */ - dma_cmd = inb(hwif->dma_command); + dma_cmd = inb(hwif->dma_base + ATA_DMA_CMD); /* stop DMA */ - outb(dma_cmd & ~0x1, hwif->dma_command); + outb(dma_cmd & ~0x1, hwif->dma_base + ATA_DMA_CMD); hpt370_clear_engine(drive); } @@ -818,12 +818,12 @@ static void hpt370_dma_start(ide_drive_t *drive) static int hpt370_dma_end(ide_drive_t *drive) { ide_hwif_t *hwif = HWIF(drive); - u8 dma_stat = inb(hwif->dma_status); + u8 dma_stat = inb(hwif->dma_base + ATA_DMA_STATUS); if (dma_stat & 0x01) { /* wait a little */ udelay(20); - dma_stat = inb(hwif->dma_status); + dma_stat = inb(hwif->dma_base + ATA_DMA_STATUS); if (dma_stat & 0x01) hpt370_irq_timeout(drive); } @@ -850,7 +850,7 @@ static int hpt374_dma_test_irq(ide_drive_t *drive) return 0; } - dma_stat = inb(hwif->dma_status); + dma_stat = inb(hwif->dma_base + ATA_DMA_STATUS); /* return 1 if INTR asserted */ if (dma_stat & 4) return 1; @@ -1320,7 +1320,15 @@ static int __devinit init_dma_hpt366(ide_hwif_t *hwif, unsigned long flags, base = ide_pci_dma_base(hwif, d); u8 dma_old, dma_new, masterdma = 0, slavedma = 0; - if (base == 0 || ide_pci_set_master(dev, d->name) < 0) + if (base == 0) + return -1; + + hwif->dma_base = base; + + if (ide_pci_check_simplex(hwif, d) < 0) + return -1; + + if (ide_pci_set_master(dev, d->name) < 0) return -1; dma_old = inb(base + 2); @@ -1346,7 +1354,7 @@ static int __devinit init_dma_hpt366(ide_hwif_t *hwif, if (ide_allocate_dma_engine(hwif)) return -1; - ide_setup_dma(hwif, base); + hwif->dma_ops = &sff_dma_ops; return 0; } @@ -1401,7 +1409,6 @@ static int __devinit hpt36x_init(struct pci_dev *dev, struct pci_dev *dev2) #define IDE_HFLAGS_HPT3XX \ (IDE_HFLAG_NO_ATAPI_DMA | \ - IDE_HFLAG_ABUSE_SET_DMA_MODE | \ IDE_HFLAG_OFF_BOARD) static const struct ide_port_ops hpt3xx_port_ops = { diff --git a/drivers/ide/pci/ns87415.c b/drivers/ide/pci/ns87415.c index 45ba71a7182..5cd2b32ff0e 100644 --- a/drivers/ide/pci/ns87415.c +++ b/drivers/ide/pci/ns87415.c @@ -28,10 +28,6 @@ */ #include <asm/superio.h> -static unsigned long superio_ide_status[2]; -static unsigned long superio_ide_select[2]; -static unsigned long superio_ide_dma_status[2]; - #define SUPERIO_IDE_MAX_RETRIES 25 /* Because of a defect in Super I/O, all reads of the PCI DMA status @@ -40,27 +36,28 @@ static unsigned long superio_ide_dma_status[2]; */ static u8 superio_ide_inb (unsigned long port) { - if (port == superio_ide_status[0] || - port == superio_ide_status[1] || - port == superio_ide_select[0] || - port == superio_ide_select[1] || - port == superio_ide_dma_status[0] || - port == superio_ide_dma_status[1]) { - u8 tmp; - int retries = SUPERIO_IDE_MAX_RETRIES; + u8 tmp; + int retries = SUPERIO_IDE_MAX_RETRIES; - /* printk(" [ reading port 0x%x with retry ] ", port); */ + /* printk(" [ reading port 0x%x with retry ] ", port); */ - do { - tmp = inb(port); - if (tmp == 0) - udelay(50); - } while (tmp == 0 && retries-- > 0); + do { + tmp = inb(port); + if (tmp == 0) + udelay(50); + } while (tmp == 0 && retries-- > 0); - return tmp; - } + return tmp; +} - return inb(port); +static u8 superio_read_status(ide_hwif_t *hwif) +{ + return superio_ide_inb(hwif->io_ports.status_addr); +} + +static u8 superio_read_sff_dma_status(ide_hwif_t *hwif) +{ + return superio_ide_inb(hwif->dma_base + ATA_DMA_STATUS); } static void superio_tf_read(ide_drive_t *drive, ide_task_t *task) @@ -78,6 +75,8 @@ static void superio_tf_read(ide_drive_t *drive, ide_task_t *task) /* be sure we're looking at the low order bits */ outb(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr); + if (task->tf_flags & IDE_TFLAG_IN_FEATURE) + tf->feature = inb(io_ports->feature_addr); if (task->tf_flags & IDE_TFLAG_IN_NSECT) tf->nsect = inb(io_ports->nsect_addr); if (task->tf_flags & IDE_TFLAG_IN_LBAL) @@ -105,36 +104,32 @@ static void superio_tf_read(ide_drive_t *drive, ide_task_t *task) } } -static void __devinit superio_ide_init_iops (struct hwif_s *hwif) -{ - struct pci_dev *pdev = to_pci_dev(hwif->dev); - u32 base, dmabase; - u8 port = hwif->channel, tmp; +static const struct ide_tp_ops superio_tp_ops = { + .exec_command = ide_exec_command, + .read_status = superio_read_status, + .read_altstatus = ide_read_altstatus, + .read_sff_dma_status = superio_read_sff_dma_status, - base = pci_resource_start(pdev, port * 2) & ~3; - dmabase = pci_resource_start(pdev, 4) & ~3; - - superio_ide_status[port] = base + 7; - superio_ide_select[port] = base + 6; - superio_ide_dma_status[port] = dmabase + (!port ? 2 : 0xa); - - /* Clear error/interrupt, enable dma */ - tmp = superio_ide_inb(superio_ide_dma_status[port]); - outb(tmp | 0x66, superio_ide_dma_status[port]); + .set_irq = ide_set_irq, - hwif->tf_read = superio_tf_read; + .tf_load = ide_tf_load, + .tf_read = superio_tf_read, - /* We need to override inb to workaround a SuperIO errata */ - hwif->INB = superio_ide_inb; -} + .input_data = ide_input_data, + .output_data = ide_output_data, +}; -static void __devinit init_iops_ns87415(ide_hwif_t *hwif) +static void __devinit superio_init_iops(struct hwif_s *hwif) { - struct pci_dev *dev = to_pci_dev(hwif->dev); + struct pci_dev *pdev = to_pci_dev(hwif->dev); + u32 dma_stat; + u8 port = hwif->channel, tmp; - if (PCI_SLOT(dev->devfn) == 0xE) - /* Built-in - assume it's under superio. */ - superio_ide_init_iops(hwif); + dma_stat = (pci_resource_start(pdev, 4) & ~3) + (!port ? 2 : 0xa); + + /* Clear error/interrupt, enable dma */ + tmp = superio_ide_inb(dma_stat); + outb(tmp | 0x66, dma_stat); } #endif @@ -200,14 +195,14 @@ static int ns87415_dma_end(ide_drive_t *drive) u8 dma_stat = 0, dma_cmd = 0; drive->waiting_for_dma = 0; - dma_stat = hwif->INB(hwif->dma_status); - /* get dma command mode */ - dma_cmd = hwif->INB(hwif->dma_command); + dma_stat = hwif->tp_ops->read_sff_dma_status(hwif); + /* get DMA command mode */ + dma_cmd = inb(hwif->dma_base + ATA_DMA_CMD); /* stop DMA */ - outb(dma_cmd & ~1, hwif->dma_command); + outb(dma_cmd & ~1, hwif->dma_base + ATA_DMA_CMD); /* from ERRATA: clear the INTR & ERROR bits */ - dma_cmd = hwif->INB(hwif->dma_command); - outb(dma_cmd | 6, hwif->dma_command); + dma_cmd = inb(hwif->dma_base + ATA_DMA_CMD); + outb(dma_cmd | 6, hwif->dma_base + ATA_DMA_CMD); /* and free any DMA resources */ ide_destroy_dmatable(drive); /* verify good DMA status */ @@ -276,7 +271,7 @@ static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif) outb(8, hwif->io_ports.ctl_addr); do { udelay(50); - stat = hwif->INB(hwif->io_ports.status_addr); + stat = hwif->tp_ops->read_status(hwif); if (stat == 0xff) break; } while ((stat & BUSY_STAT) && --timeout); @@ -291,7 +286,7 @@ static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif) if (!hwif->dma_base) return; - outb(0x60, hwif->dma_status); + outb(0x60, hwif->dma_base + ATA_DMA_STATUS); } static const struct ide_port_ops ns87415_port_ops = { @@ -311,9 +306,6 @@ static const struct ide_dma_ops ns87415_dma_ops = { static const struct ide_port_info ns87415_chipset __devinitdata = { .name = "NS87415", -#ifdef CONFIG_SUPERIO - .init_iops = init_iops_ns87415, -#endif .init_hwif = init_hwif_ns87415, .port_ops = &ns87415_port_ops, .dma_ops = &ns87415_dma_ops, @@ -323,7 +315,16 @@ static const struct ide_port_info ns87415_chipset __devinitdata = { static int __devinit ns87415_init_one(struct pci_dev *dev, const struct pci_device_id *id) { - return ide_setup_pci_device(dev, &ns87415_chipset); + struct ide_port_info d = ns87415_chipset; + +#ifdef CONFIG_SUPERIO + if (PCI_SLOT(dev->devfn) == 0xE) { + /* Built-in - assume it's under superio. */ + d.init_iops = superio_init_iops; + d.tp_ops = &superio_tp_ops; + } +#endif + return ide_setup_pci_device(dev, &d); } static const struct pci_device_id ns87415_pci_tbl[] = { diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c index fca89eda5c0..e54dc653b8c 100644 --- a/drivers/ide/pci/pdc202xx_old.c +++ b/drivers/ide/pci/pdc202xx_old.c @@ -206,7 +206,7 @@ static int pdc202xx_dma_test_irq(ide_drive_t *drive) { ide_hwif_t *hwif = HWIF(drive); unsigned long high_16 = hwif->extra_base - 16; - u8 dma_stat = inb(hwif->dma_status); + u8 dma_stat = inb(hwif->dma_base + ATA_DMA_STATUS); u8 sc1d = inb(high_16 + 0x001d); if (hwif->channel) { @@ -312,7 +312,6 @@ static void __devinit pdc202ata4_fixup_irq(struct pci_dev *dev, #define IDE_HFLAGS_PDC202XX \ (IDE_HFLAG_ERROR_STOPS_FIFO | \ - IDE_HFLAG_ABUSE_SET_DMA_MODE | \ IDE_HFLAG_OFF_BOARD) static const struct ide_port_ops pdc20246_port_ops = { diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c index f04738d14a6..0ce41b4ddda 100644 --- a/drivers/ide/pci/piix.c +++ b/drivers/ide/pci/piix.c @@ -227,9 +227,9 @@ static void piix_dma_clear_irq(ide_drive_t *drive) u8 dma_stat; /* clear the INTR & ERROR bits */ - dma_stat = inb(hwif->dma_status); + dma_stat = inb(hwif->dma_base + ATA_DMA_STATUS); /* Should we force the bit as well ? */ - outb(dma_stat, hwif->dma_status); + outb(dma_stat, hwif->dma_base + ATA_DMA_STATUS); } struct ich_laptop { diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c index 789c66dfbde..94a7ab86423 100644 --- a/drivers/ide/pci/scc_pata.c +++ b/drivers/ide/pci/scc_pata.c @@ -65,7 +65,7 @@ static struct scc_ports { unsigned long ctl, dma; - ide_hwif_t *hwif; /* for removing port from system */ + struct ide_host *host; /* for removing port from system */ } scc_ports[MAX_HWIFS]; /* PIO transfer mode table */ @@ -126,6 +126,46 @@ static u8 scc_ide_inb(unsigned long port) return (u8)data; } +static void scc_exec_command(ide_hwif_t *hwif, u8 cmd) +{ + out_be32((void *)hwif->io_ports.command_addr, cmd); + eieio(); + in_be32((void *)(hwif->dma_base + 0x01c)); + eieio(); +} + +static u8 scc_read_status(ide_hwif_t *hwif) +{ + return (u8)in_be32((void *)hwif->io_ports.status_addr); +} + +static u8 scc_read_altstatus(ide_hwif_t *hwif) +{ + return (u8)in_be32((void *)hwif->io_ports.ctl_addr); +} + +static u8 scc_read_sff_dma_status(ide_hwif_t *hwif) +{ + return (u8)in_be32((void *)(hwif->dma_base + 4)); +} + +static void scc_set_irq(ide_hwif_t *hwif, int on) +{ + u8 ctl = ATA_DEVCTL_OBS; + + if (on == 4) { /* hack for SRST */ + ctl |= 4; + on &= ~4; + } + + ctl |= on ? 0 : 2; + + out_be32((void *)hwif->io_ports.ctl_addr, ctl); + eieio(); + in_be32((void *)(hwif->dma_base + 0x01c)); + eieio(); +} + static void scc_ide_insw(unsigned long port, void *addr, u32 count) { u16 *ptr = (u16 *)addr; @@ -148,14 +188,6 @@ static void scc_ide_outb(u8 addr, unsigned long port) out_be32((void*)port, addr); } -static void scc_ide_outbsync(ide_hwif_t *hwif, u8 addr, unsigned long port) -{ - out_be32((void*)port, addr); - eieio(); - in_be32((void*)(hwif->dma_base + 0x01c)); - eieio(); -} - static void scc_ide_outsw(unsigned long port, void *addr, u32 count) { @@ -261,14 +293,14 @@ static void scc_dma_host_set(ide_drive_t *drive, int on) { ide_hwif_t *hwif = drive->hwif; u8 unit = (drive->select.b.unit & 0x01); - u8 dma_stat = scc_ide_inb(hwif->dma_status); + u8 dma_stat = scc_ide_inb(hwif->dma_base + 4); if (on) dma_stat |= (1 << (5 + unit)); else dma_stat &= ~(1 << (5 + unit)); - scc_ide_outb(dma_stat, hwif->dma_status); + scc_ide_outb(dma_stat, hwif->dma_base + 4); } /** @@ -304,13 +336,13 @@ static int scc_dma_setup(ide_drive_t *drive) out_be32((void __iomem *)(hwif->dma_base + 8), hwif->dmatable_dma); /* specify r/w */ - out_be32((void __iomem *)hwif->dma_command, reading); + out_be32((void __iomem *)hwif->dma_base, reading); - /* read dma_status for INTR & ERROR flags */ - dma_stat = in_be32((void __iomem *)hwif->dma_status); + /* read DMA status for INTR & ERROR flags */ + dma_stat = in_be32((void __iomem *)(hwif->dma_base + 4)); /* clear INTR & ERROR flags */ - out_be32((void __iomem *)hwif->dma_status, dma_stat|6); + out_be32((void __iomem *)(hwif->dma_base + 4), dma_stat | 6); drive->waiting_for_dma = 1; return 0; } @@ -318,10 +350,10 @@ static int scc_dma_setup(ide_drive_t *drive) static void scc_dma_start(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; - u8 dma_cmd = scc_ide_inb(hwif->dma_command); + u8 dma_cmd = scc_ide_inb(hwif->dma_base); /* start DMA */ - scc_ide_outb(dma_cmd | 1, hwif->dma_command); + scc_ide_outb(dma_cmd | 1, hwif->dma_base); hwif->dma = 1; wmb(); } @@ -333,13 +365,13 @@ static int __scc_dma_end(ide_drive_t *drive) drive->waiting_for_dma = 0; /* get DMA command mode */ - dma_cmd = scc_ide_inb(hwif->dma_command); + dma_cmd = scc_ide_inb(hwif->dma_base); /* stop DMA */ - scc_ide_outb(dma_cmd & ~1, hwif->dma_command); + scc_ide_outb(dma_cmd & ~1, hwif->dma_base); /* get DMA status */ - dma_stat = scc_ide_inb(hwif->dma_status); + dma_stat = scc_ide_inb(hwif->dma_base + 4); /* clear the INTR & ERROR bits */ - scc_ide_outb(dma_stat | 6, hwif->dma_status); + scc_ide_outb(dma_stat | 6, hwif->dma_base + 4); /* purge DMA mappings */ ide_destroy_dmatable(drive); /* verify good DMA status */ @@ -359,6 +391,7 @@ static int __scc_dma_end(ide_drive_t *drive) static int scc_dma_end(ide_drive_t *drive) { ide_hwif_t *hwif = HWIF(drive); + void __iomem *dma_base = (void __iomem *)hwif->dma_base; unsigned long intsts_port = hwif->dma_base + 0x014; u32 reg; int dma_stat, data_loss = 0; @@ -397,7 +430,7 @@ static int scc_dma_end(ide_drive_t *drive) printk(KERN_WARNING "%s: SERROR\n", SCC_PATA_NAME); out_be32((void __iomem *)intsts_port, INTSTS_SERROR|INTSTS_BMSINT); - out_be32((void __iomem *)hwif->dma_command, in_be32((void __iomem *)hwif->dma_command) & ~QCHCD_IOS_SS); + out_be32(dma_base, in_be32(dma_base) & ~QCHCD_IOS_SS); continue; } @@ -412,7 +445,7 @@ static int scc_dma_end(ide_drive_t *drive) out_be32((void __iomem *)intsts_port, INTSTS_PRERR|INTSTS_BMSINT); - out_be32((void __iomem *)hwif->dma_command, in_be32((void __iomem *)hwif->dma_command) & ~QCHCD_IOS_SS); + out_be32(dma_base, in_be32(dma_base) & ~QCHCD_IOS_SS); continue; } @@ -420,12 +453,12 @@ static int scc_dma_end(ide_drive_t *drive) printk(KERN_WARNING "%s: Response Error\n", SCC_PATA_NAME); out_be32((void __iomem *)intsts_port, INTSTS_RERR|INTSTS_BMSINT); - out_be32((void __iomem *)hwif->dma_command, in_be32((void __iomem *)hwif->dma_command) & ~QCHCD_IOS_SS); + out_be32(dma_base, in_be32(dma_base) & ~QCHCD_IOS_SS); continue; } if (reg & INTSTS_ICERR) { - out_be32((void __iomem *)hwif->dma_command, in_be32((void __iomem *)hwif->dma_command) & ~QCHCD_IOS_SS); + out_be32(dma_base, in_be32(dma_base) & ~QCHCD_IOS_SS); printk(KERN_WARNING "%s: Illegal Configuration\n", SCC_PATA_NAME); out_be32((void __iomem *)intsts_port, INTSTS_ICERR|INTSTS_BMSINT); @@ -553,14 +586,9 @@ static int scc_ide_setup_pci_device(struct pci_dev *dev, const struct ide_port_info *d) { struct scc_ports *ports = pci_get_drvdata(dev); - ide_hwif_t *hwif = NULL; - hw_regs_t hw; - u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; - int i; - - hwif = ide_find_port_slot(d); - if (hwif == NULL) - return -ENOMEM; + struct ide_host *host; + hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; + int i, rc; memset(&hw, 0, sizeof(hw)); for (i = 0; i <= 8; i++) @@ -568,11 +596,12 @@ static int scc_ide_setup_pci_device(struct pci_dev *dev, hw.irq = dev->irq; hw.dev = &dev->dev; hw.chipset = ide_pci; - ide_init_port_hw(hwif, &hw); - idx[0] = hwif->index; + rc = ide_host_add(d, hws, &host); + if (rc) + return rc; - ide_device_add(idx, d); + ports->host = host; return 0; } @@ -701,6 +730,8 @@ 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(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr); + if (task->tf_flags & IDE_TFLAG_IN_FEATURE) + tf->feature = scc_ide_inb(io_ports->feature_addr); if (task->tf_flags & IDE_TFLAG_IN_NSECT) tf->nsect = scc_ide_inb(io_ports->nsect_addr); if (task->tf_flags & IDE_TFLAG_IN_LBAL) @@ -774,16 +805,6 @@ static void __devinit init_mmio_iops_scc(ide_hwif_t *hwif) ide_set_hwifdata(hwif, ports); - hwif->tf_load = scc_tf_load; - hwif->tf_read = scc_tf_read; - - hwif->input_data = scc_input_data; - hwif->output_data = scc_output_data; - - hwif->INB = scc_ide_inb; - hwif->OUTB = scc_ide_outb; - hwif->OUTBSYNC = scc_ide_outbsync; - hwif->dma_base = dma_base; hwif->config_data = ports->ctl; } @@ -824,11 +845,6 @@ static void __devinit init_hwif_scc(ide_hwif_t *hwif) { struct scc_ports *ports = ide_get_hwifdata(hwif); - ports->hwif = hwif; - - hwif->dma_command = hwif->dma_base; - hwif->dma_status = hwif->dma_base + 0x04; - /* PTERADD */ out_be32((void __iomem *)(hwif->dma_base + 0x018), hwif->dmatable_dma); @@ -838,6 +854,21 @@ static void __devinit init_hwif_scc(ide_hwif_t *hwif) hwif->ultra_mask = ATA_UDMA5; /* 100MHz */ } +static const struct ide_tp_ops scc_tp_ops = { + .exec_command = scc_exec_command, + .read_status = scc_read_status, + .read_altstatus = scc_read_altstatus, + .read_sff_dma_status = scc_read_sff_dma_status, + + .set_irq = scc_set_irq, + + .tf_load = scc_tf_load, + .tf_read = scc_tf_read, + + .input_data = scc_input_data, + .output_data = scc_output_data, +}; + static const struct ide_port_ops scc_port_ops = { .set_pio_mode = scc_set_pio_mode, .set_dma_mode = scc_set_dma_mode, @@ -861,6 +892,7 @@ static const struct ide_dma_ops scc_dma_ops = { .name = name_str, \ .init_iops = init_iops_scc, \ .init_hwif = init_hwif_scc, \ + .tp_ops = &scc_tp_ops, \ .port_ops = &scc_port_ops, \ .dma_ops = &scc_dma_ops, \ .host_flags = IDE_HFLAG_SINGLE, \ @@ -895,7 +927,8 @@ static int __devinit scc_init_one(struct pci_dev *dev, const struct pci_device_i static void __devexit scc_remove(struct pci_dev *dev) { struct scc_ports *ports = pci_get_drvdata(dev); - ide_hwif_t *hwif = ports->hwif; + struct ide_host *host = ports->host; + ide_hwif_t *hwif = host->ports[0]; if (hwif->dmatable_cpu) { pci_free_consistent(dev, PRD_ENTRIES * PRD_BYTES, @@ -903,7 +936,7 @@ static void __devexit scc_remove(struct pci_dev *dev) hwif->dmatable_cpu = NULL; } - ide_unregister(hwif); + ide_host_remove(host); iounmap((void*)ports->dma); iounmap((void*)ports->ctl); diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c index a1fb20826a5..127ccb45e26 100644 --- a/drivers/ide/pci/serverworks.c +++ b/drivers/ide/pci/serverworks.c @@ -349,9 +349,7 @@ static const struct ide_port_ops svwks_port_ops = { .cable_detect = svwks_cable_detect, }; -#define IDE_HFLAGS_SVWKS \ - (IDE_HFLAG_LEGACY_IRQS | \ - IDE_HFLAG_ABUSE_SET_DMA_MODE) +#define IDE_HFLAGS_SVWKS IDE_HFLAG_LEGACY_IRQS static const struct ide_port_info serverworks_chipsets[] __devinitdata = { { /* 0 */ diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c index c79ff5b4108..42eef19a18f 100644 --- a/drivers/ide/pci/sgiioc4.c +++ b/drivers/ide/pci/sgiioc4.c @@ -127,7 +127,7 @@ sgiioc4_checkirq(ide_hwif_t * hwif) return 0; } -static u8 sgiioc4_INB(unsigned long); +static u8 sgiioc4_read_status(ide_hwif_t *); static int sgiioc4_clearirq(ide_drive_t * drive) @@ -141,18 +141,19 @@ sgiioc4_clearirq(ide_drive_t * drive) intr_reg = readl((void __iomem *)other_ir); if (intr_reg & 0x03) { /* Valid IOC4-IDE interrupt */ /* - * Using sgiioc4_INB to read the Status register has a side - * effect of clearing the interrupt. The first read should + * Using sgiioc4_read_status to read the Status register has a + * side effect of clearing the interrupt. The first read should * clear it if it is set. The second read should return * a "clear" status if it got cleared. If not, then spin * for a bit trying to clear it. */ - u8 stat = sgiioc4_INB(io_ports->status_addr); + u8 stat = sgiioc4_read_status(hwif); int count = 0; - stat = sgiioc4_INB(io_ports->status_addr); + + stat = sgiioc4_read_status(hwif); while ((stat & 0x80) && (count++ < 100)) { udelay(1); - stat = sgiioc4_INB(io_ports->status_addr); + stat = sgiioc4_read_status(hwif); } if (intr_reg & 0x02) { @@ -304,9 +305,9 @@ sgiioc4_dma_lost_irq(ide_drive_t * drive) ide_dma_lost_irq(drive); } -static u8 -sgiioc4_INB(unsigned long port) +static u8 sgiioc4_read_status(ide_hwif_t *hwif) { + unsigned long port = hwif->io_ports.status_addr; u8 reg = (u8) readb((void __iomem *) port); if ((port & 0xFFF) == 0x11C) { /* Status register of IOC4 */ @@ -549,6 +550,21 @@ static int sgiioc4_dma_setup(ide_drive_t *drive) return 0; } +static const struct ide_tp_ops sgiioc4_tp_ops = { + .exec_command = ide_exec_command, + .read_status = sgiioc4_read_status, + .read_altstatus = ide_read_altstatus, + .read_sff_dma_status = ide_read_sff_dma_status, + + .set_irq = ide_set_irq, + + .tf_load = ide_tf_load, + .tf_read = ide_tf_read, + + .input_data = ide_input_data, + .output_data = ide_output_data, +}; + static const struct ide_port_ops sgiioc4_port_ops = { .set_dma_mode = sgiioc4_set_dma_mode, /* reset DMA engine, clear IRQs */ @@ -571,6 +587,7 @@ static const struct ide_port_info sgiioc4_port_info __devinitdata = { .name = DRV_NAME, .chipset = ide_pci, .init_dma = ide_dma_sgiioc4, + .tp_ops = &sgiioc4_tp_ops, .port_ops = &sgiioc4_port_ops, .dma_ops = &sgiioc4_dma_ops, .host_flags = IDE_HFLAG_MMIO, @@ -583,10 +600,10 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev) unsigned long cmd_base, irqport; unsigned long bar0, cmd_phys_base, ctl; void __iomem *virt_base; - ide_hwif_t *hwif; - u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; - hw_regs_t hw; + struct ide_host *host; + hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; struct ide_port_info d = sgiioc4_port_info; + int rc; /* Get the CmdBlk and CtrlBlk Base Registers */ bar0 = pci_resource_start(dev, 0); @@ -618,30 +635,26 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev) hw.chipset = ide_pci; hw.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); - /* Initializing chipset IRQ Registers */ writel(0x03, (void __iomem *)(irqport + IOC4_INTR_SET * 4)); - hwif->INB = &sgiioc4_INB; - - idx[0] = hwif->index; + host = ide_host_alloc(&d, hws); + if (host == NULL) { + rc = -ENOMEM; + goto err; + } - if (ide_device_add(idx, &d)) - return -EIO; + rc = ide_host_register(host, &d, hws); + if (rc) + goto err_free; return 0; +err_free: + ide_host_free(host); err: release_mem_region(cmd_phys_base, IOC4_CMD_CTL_BLK_SIZE); iounmap(virt_base); - return -ENOMEM; + return rc; } static unsigned int __devinit diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c index 6e9d7655d89..5965a35d94a 100644 --- a/drivers/ide/pci/siimage.c +++ b/drivers/ide/pci/siimage.c @@ -334,7 +334,7 @@ static int siimage_io_dma_test_irq(ide_drive_t *drive) unsigned long addr = siimage_selreg(hwif, 1); /* return 1 if INTR asserted */ - if (hwif->INB(hwif->dma_status) & 4) + if (inb(hwif->dma_base + ATA_DMA_STATUS) & 4) return 1; /* return 1 if Device INTR asserted */ @@ -382,7 +382,7 @@ static int siimage_mmio_dma_test_irq(ide_drive_t *drive) } /* return 1 if INTR asserted */ - if (readb((void __iomem *)hwif->dma_status) & 0x04) + if (readb((void __iomem *)(hwif->dma_base + ATA_DMA_STATUS)) & 4) return 1; /* return 1 if Device INTR asserted */ @@ -601,7 +601,7 @@ static void __devinit init_mmio_iops_siimage(ide_hwif_t *hwif) * Fill in the basic hwif bits */ hwif->host_flags |= IDE_HFLAG_MMIO; - default_hwif_mmiops(hwif); + hwif->hwif_data = addr; /* diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c index 6efbde29717..f82a6502c1b 100644 --- a/drivers/ide/pci/sl82c105.c +++ b/drivers/ide/pci/sl82c105.c @@ -157,9 +157,9 @@ static void sl82c105_dma_lost_irq(ide_drive_t *drive) * Was DMA enabled? If so, disable it - we're resetting the * host. The IDE layer will be handling the drive for us. */ - dma_cmd = inb(hwif->dma_command); + dma_cmd = inb(hwif->dma_base + ATA_DMA_CMD); if (dma_cmd & 1) { - outb(dma_cmd & ~1, hwif->dma_command); + outb(dma_cmd & ~1, hwif->dma_base + ATA_DMA_CMD); printk("sl82c105: DMA was enabled\n"); } diff --git a/drivers/ide/pci/tc86c001.c b/drivers/ide/pci/tc86c001.c index 9b4b27a4c71..477e1979010 100644 --- a/drivers/ide/pci/tc86c001.c +++ b/drivers/ide/pci/tc86c001.c @@ -63,7 +63,7 @@ static int tc86c001_timer_expiry(ide_drive_t *drive) ide_hwif_t *hwif = HWIF(drive); ide_expiry_t *expiry = ide_get_hwifdata(hwif); ide_hwgroup_t *hwgroup = HWGROUP(drive); - u8 dma_stat = inb(hwif->dma_status); + u8 dma_stat = inb(hwif->dma_base + ATA_DMA_STATUS); /* Restore a higher level driver's expiry handler first. */ hwgroup->expiry = expiry; @@ -71,21 +71,24 @@ static int tc86c001_timer_expiry(ide_drive_t *drive) if ((dma_stat & 5) == 1) { /* DMA active and no interrupt */ unsigned long sc_base = hwif->config_data; unsigned long twcr_port = sc_base + (drive->dn ? 0x06 : 0x04); - u8 dma_cmd = inb(hwif->dma_command); + u8 dma_cmd = inb(hwif->dma_base + ATA_DMA_CMD); printk(KERN_WARNING "%s: DMA interrupt possibly stuck, " "attempting recovery...\n", drive->name); /* Stop DMA */ - outb(dma_cmd & ~0x01, hwif->dma_command); + outb(dma_cmd & ~0x01, hwif->dma_base + ATA_DMA_CMD); /* Setup the dummy DMA transfer */ outw(0, sc_base + 0x0a); /* Sector Count */ outw(0, twcr_port); /* Transfer Word Count 1 or 2 */ /* Start the dummy DMA transfer */ - outb(0x00, hwif->dma_command); /* clear R_OR_WCTR for write */ - outb(0x01, hwif->dma_command); /* set START_STOPBM */ + + /* clear R_OR_WCTR for write */ + outb(0x00, hwif->dma_base + ATA_DMA_CMD); + /* set START_STOPBM */ + outb(0x01, hwif->dma_base + ATA_DMA_CMD); /* * If an interrupt was pending, it should come thru shortly. @@ -203,8 +206,7 @@ static const struct ide_port_info tc86c001_chipset __devinitdata = { .init_hwif = init_hwif_tc86c001, .port_ops = &tc86c001_port_ops, .dma_ops = &tc86c001_dma_ops, - .host_flags = IDE_HFLAG_SINGLE | IDE_HFLAG_OFF_BOARD | - IDE_HFLAG_ABUSE_SET_DMA_MODE, + .host_flags = IDE_HFLAG_SINGLE | IDE_HFLAG_OFF_BOARD, .pio_mask = ATA_PIO4, .mwdma_mask = ATA_MWDMA2, .udma_mask = ATA_UDMA4, diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c index e47384c70c4..09dc4803ef9 100644 --- a/drivers/ide/pci/via82cxxx.c +++ b/drivers/ide/pci/via82cxxx.c @@ -425,7 +425,6 @@ static const struct ide_port_info via82cxxx_chipset __devinitdata = { .enablebits = { { 0x40, 0x02, 0x02 }, { 0x40, 0x01, 0x01 } }, .port_ops = &via_port_ops, .host_flags = IDE_HFLAG_PIO_NO_BLACKLIST | - IDE_HFLAG_ABUSE_SET_DMA_MODE | IDE_HFLAG_POST_SET_MODE | IDE_HFLAG_IO_32BIT, .pio_mask = ATA_PIO5, diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c index 93fb9067c04..c521bf6e1bf 100644 --- a/drivers/ide/ppc/pmac.c +++ b/drivers/ide/ppc/pmac.c @@ -48,6 +48,8 @@ #include <asm/mediabay.h> #endif +#define DRV_NAME "ide-pmac" + #undef IDE_PMAC_DEBUG #define DMA_WAIT_TIMEOUT 50 @@ -424,7 +426,9 @@ static void pmac_ide_kauai_selectproc(ide_drive_t *drive); static void pmac_ide_selectproc(ide_drive_t *drive) { - pmac_ide_hwif_t* pmif = (pmac_ide_hwif_t *)HWIF(drive)->hwif_data; + ide_hwif_t *hwif = drive->hwif; + pmac_ide_hwif_t *pmif = + (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); if (pmif == NULL) return; @@ -444,7 +448,9 @@ pmac_ide_selectproc(ide_drive_t *drive) static void pmac_ide_kauai_selectproc(ide_drive_t *drive) { - pmac_ide_hwif_t* pmif = (pmac_ide_hwif_t *)HWIF(drive)->hwif_data; + ide_hwif_t *hwif = drive->hwif; + pmac_ide_hwif_t *pmif = + (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); if (pmif == NULL) return; @@ -465,7 +471,9 @@ pmac_ide_kauai_selectproc(ide_drive_t *drive) static void pmac_ide_do_update_timings(ide_drive_t *drive) { - pmac_ide_hwif_t* pmif = (pmac_ide_hwif_t *)HWIF(drive)->hwif_data; + ide_hwif_t *hwif = drive->hwif; + pmac_ide_hwif_t *pmif = + (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); if (pmif == NULL) return; @@ -478,12 +486,26 @@ pmac_ide_do_update_timings(ide_drive_t *drive) pmac_ide_selectproc(drive); } -static void pmac_outbsync(ide_hwif_t *hwif, u8 value, unsigned long port) +static void pmac_exec_command(ide_hwif_t *hwif, u8 cmd) { - u32 tmp; - - writeb(value, (void __iomem *) port); - tmp = readl((void __iomem *)(hwif->io_ports.data_addr + writeb(cmd, (void __iomem *)hwif->io_ports.command_addr); + (void)readl((void __iomem *)(hwif->io_ports.data_addr + + IDE_TIMING_CONFIG)); +} + +static void pmac_set_irq(ide_hwif_t *hwif, int on) +{ + u8 ctl = ATA_DEVCTL_OBS; + + if (on == 4) { /* hack for SRST */ + ctl |= 4; + on &= ~4; + } + + ctl |= on ? 0 : 2; + + writeb(ctl, (void __iomem *)hwif->io_ports.ctl_addr); + (void)readl((void __iomem *)(hwif->io_ports.data_addr + IDE_TIMING_CONFIG)); } @@ -493,11 +515,13 @@ static void pmac_outbsync(ide_hwif_t *hwif, u8 value, unsigned long port) static void pmac_ide_set_pio_mode(ide_drive_t *drive, const u8 pio) { + ide_hwif_t *hwif = drive->hwif; + pmac_ide_hwif_t *pmif = + (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); struct ide_timing *tim = ide_timing_find_mode(XFER_PIO_0 + pio); u32 *timings, t; unsigned accessTicks, recTicks; unsigned accessTime, recTime; - pmac_ide_hwif_t* pmif = (pmac_ide_hwif_t *)HWIF(drive)->hwif_data; unsigned int cycle_time; if (pmif == NULL) @@ -778,9 +802,11 @@ set_timings_mdma(ide_drive_t *drive, int intf_type, u32 *timings, u32 *timings2, static void pmac_ide_set_dma_mode(ide_drive_t *drive, const u8 speed) { + ide_hwif_t *hwif = drive->hwif; + pmac_ide_hwif_t *pmif = + (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); int unit = (drive->select.b.unit & 0x01); int ret = 0; - pmac_ide_hwif_t* pmif = (pmac_ide_hwif_t *)HWIF(drive)->hwif_data; u32 *timings, *timings2, tl[2]; timings = &pmif->timings[unit]; @@ -852,11 +878,8 @@ sanitize_timings(pmac_ide_hwif_t *pmif) /* Suspend call back, should be called after the child devices * have actually been suspended */ -static int -pmac_ide_do_suspend(ide_hwif_t *hwif) +static int pmac_ide_do_suspend(pmac_ide_hwif_t *pmif) { - pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)hwif->hwif_data; - /* We clear the timings */ pmif->timings[0] = 0; pmif->timings[1] = 0; @@ -884,11 +907,8 @@ pmac_ide_do_suspend(ide_hwif_t *hwif) /* Resume call back, should be called before the child devices * are resumed */ -static int -pmac_ide_do_resume(ide_hwif_t *hwif) +static int pmac_ide_do_resume(pmac_ide_hwif_t *pmif) { - pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)hwif->hwif_data; - /* Hard reset & re-enable controller (do we really need to reset ? -BenH) */ if (!pmif->mediabay) { ppc_md.feature_call(PMAC_FTR_IDE_RESET, pmif->node, pmif->aapl_bus_id, 1); @@ -916,7 +936,8 @@ pmac_ide_do_resume(ide_hwif_t *hwif) static u8 pmac_ide_cable_detect(ide_hwif_t *hwif) { - pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)ide_get_hwifdata(hwif); + pmac_ide_hwif_t *pmif = + (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); struct device_node *np = pmif->node; const char *cable = of_get_property(np, "cable-type", NULL); @@ -936,7 +957,40 @@ static u8 pmac_ide_cable_detect(ide_hwif_t *hwif) return ATA_CBL_PATA40; } +static void pmac_ide_init_dev(ide_drive_t *drive) +{ + ide_hwif_t *hwif = drive->hwif; + pmac_ide_hwif_t *pmif = + (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); + + if (pmif->mediabay) { +#ifdef CONFIG_PMAC_MEDIABAY + if (check_media_bay_by_base(pmif->regbase, MB_CD) == 0) { + drive->noprobe = 0; + return; + } +#endif + drive->noprobe = 1; + } +} + +static const struct ide_tp_ops pmac_tp_ops = { + .exec_command = pmac_exec_command, + .read_status = ide_read_status, + .read_altstatus = ide_read_altstatus, + .read_sff_dma_status = ide_read_sff_dma_status, + + .set_irq = pmac_set_irq, + + .tf_load = ide_tf_load, + .tf_read = ide_tf_read, + + .input_data = ide_input_data, + .output_data = ide_output_data, +}; + static const struct ide_port_ops pmac_ide_ata6_port_ops = { + .init_dev = pmac_ide_init_dev, .set_pio_mode = pmac_ide_set_pio_mode, .set_dma_mode = pmac_ide_set_dma_mode, .selectproc = pmac_ide_kauai_selectproc, @@ -944,6 +998,7 @@ static const struct ide_port_ops pmac_ide_ata6_port_ops = { }; static const struct ide_port_ops pmac_ide_ata4_port_ops = { + .init_dev = pmac_ide_init_dev, .set_pio_mode = pmac_ide_set_pio_mode, .set_dma_mode = pmac_ide_set_dma_mode, .selectproc = pmac_ide_selectproc, @@ -951,6 +1006,7 @@ static const struct ide_port_ops pmac_ide_ata4_port_ops = { }; static const struct ide_port_ops pmac_ide_port_ops = { + .init_dev = pmac_ide_init_dev, .set_pio_mode = pmac_ide_set_pio_mode, .set_dma_mode = pmac_ide_set_dma_mode, .selectproc = pmac_ide_selectproc, @@ -959,12 +1015,14 @@ static const struct ide_port_ops pmac_ide_port_ops = { static const struct ide_dma_ops pmac_dma_ops; static const struct ide_port_info pmac_port_info = { + .name = DRV_NAME, .init_dma = pmac_ide_init_dma, .chipset = ide_pmac, + .tp_ops = &pmac_tp_ops, + .port_ops = &pmac_ide_port_ops, #ifdef CONFIG_BLK_DEV_IDEDMA_PMAC .dma_ops = &pmac_dma_ops, #endif - .port_ops = &pmac_ide_port_ops, .host_flags = IDE_HFLAG_SET_PIO_MODE_KEEP_DMA | IDE_HFLAG_POST_SET_MODE | IDE_HFLAG_MMIO | @@ -977,13 +1035,15 @@ 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). */ -static int __devinit -pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif, hw_regs_t *hw) +static int __devinit pmac_ide_setup_device(pmac_ide_hwif_t *pmif, hw_regs_t *hw) { struct device_node *np = pmif->node; const int *bidp; - u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; + struct ide_host *host; + ide_hwif_t *hwif; + hw_regs_t *hws[] = { hw, NULL, NULL, NULL }; struct ide_port_info d = pmac_port_info; + int rc; pmif->broken_dma = pmif->broken_dma_warn = 0; if (of_device_is_compatible(np, "shasta-ata")) { @@ -1054,31 +1114,16 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif, hw_regs_t *hw) msleep(jiffies_to_msecs(IDE_WAKEUP_DELAY)); } - /* Setup MMIO ops */ - default_hwif_mmiops(hwif); - hwif->OUTBSYNC = pmac_outbsync; + printk(KERN_INFO DRV_NAME ": Found Apple %s controller (%s), " + "bus ID %d%s, irq %d\n", model_name[pmif->kind], + pmif->mdev ? "macio" : "PCI", pmif->aapl_bus_id, + pmif->mediabay ? " (mediabay)" : "", hw->irq); - hwif->hwif_data = pmif; - ide_init_port_hw(hwif, hw); + rc = ide_host_add(&d, hws, &host); + if (rc) + return rc; - 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, - pmif->mediabay ? " (mediabay)" : "", hwif->irq); - - if (pmif->mediabay) { -#ifdef CONFIG_PMAC_MEDIABAY - if (check_media_bay_by_base(pmif->regbase, MB_CD)) { -#else - if (1) { -#endif - hwif->drives[0].noprobe = 1; - hwif->drives[1].noprobe = 1; - } - } - - idx[0] = hwif->index; - - ide_device_add(idx, &d); + hwif = host->ports[0]; return 0; } @@ -1101,7 +1146,6 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match) { void __iomem *base; unsigned long regbase; - ide_hwif_t *hwif; pmac_ide_hwif_t *pmif; int irq, rc; hw_regs_t hw; @@ -1110,14 +1154,6 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match) if (pmif == NULL) return -ENOMEM; - hwif = ide_find_port(); - if (hwif == NULL) { - printk(KERN_ERR "ide-pmac: MacIO interface attach with no slot\n"); - printk(KERN_ERR " %s\n", mdev->ofdev.node->full_name); - rc = -ENODEV; - goto out_free_pmif; - } - if (macio_resource_count(mdev) == 0) { printk(KERN_WARNING "ide-pmac: no address for %s\n", mdev->ofdev.node->full_name); @@ -1164,7 +1200,7 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match) } else pmif->dma_regs = NULL; #endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */ - dev_set_drvdata(&mdev->ofdev.dev, hwif); + dev_set_drvdata(&mdev->ofdev.dev, pmif); memset(&hw, 0, sizeof(hw)); pmac_ide_init_ports(&hw, pmif->regbase); @@ -1172,7 +1208,7 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match) hw.dev = &mdev->bus->pdev->dev; hw.parent = &mdev->ofdev.dev; - rc = pmac_ide_setup_device(pmif, hwif, &hw); + rc = pmac_ide_setup_device(pmif, &hw); if (rc != 0) { /* The inteface is released to the common IDE layer */ dev_set_drvdata(&mdev->ofdev.dev, NULL); @@ -1195,12 +1231,13 @@ out_free_pmif: static int pmac_ide_macio_suspend(struct macio_dev *mdev, pm_message_t mesg) { - ide_hwif_t *hwif = (ide_hwif_t *)dev_get_drvdata(&mdev->ofdev.dev); - int rc = 0; + pmac_ide_hwif_t *pmif = + (pmac_ide_hwif_t *)dev_get_drvdata(&mdev->ofdev.dev); + int rc = 0; if (mesg.event != mdev->ofdev.dev.power.power_state.event && (mesg.event & PM_EVENT_SLEEP)) { - rc = pmac_ide_do_suspend(hwif); + rc = pmac_ide_do_suspend(pmif); if (rc == 0) mdev->ofdev.dev.power.power_state = mesg; } @@ -1211,11 +1248,12 @@ pmac_ide_macio_suspend(struct macio_dev *mdev, pm_message_t mesg) static int pmac_ide_macio_resume(struct macio_dev *mdev) { - ide_hwif_t *hwif = (ide_hwif_t *)dev_get_drvdata(&mdev->ofdev.dev); - int rc = 0; - + pmac_ide_hwif_t *pmif = + (pmac_ide_hwif_t *)dev_get_drvdata(&mdev->ofdev.dev); + int rc = 0; + if (mdev->ofdev.dev.power.power_state.event != PM_EVENT_ON) { - rc = pmac_ide_do_resume(hwif); + rc = pmac_ide_do_resume(pmif); if (rc == 0) mdev->ofdev.dev.power.power_state = PMSG_ON; } @@ -1229,7 +1267,6 @@ pmac_ide_macio_resume(struct macio_dev *mdev) static int __devinit pmac_ide_pci_attach(struct pci_dev *pdev, const struct pci_device_id *id) { - ide_hwif_t *hwif; struct device_node *np; pmac_ide_hwif_t *pmif; void __iomem *base; @@ -1247,14 +1284,6 @@ pmac_ide_pci_attach(struct pci_dev *pdev, const struct pci_device_id *id) if (pmif == NULL) return -ENOMEM; - hwif = ide_find_port(); - if (hwif == NULL) { - printk(KERN_ERR "ide-pmac: PCI interface attach with no slot\n"); - printk(KERN_ERR " %s\n", np->full_name); - rc = -ENODEV; - goto out_free_pmif; - } - if (pci_enable_device(pdev)) { printk(KERN_WARNING "ide-pmac: Can't enable PCI device for " "%s\n", np->full_name); @@ -1284,14 +1313,14 @@ pmac_ide_pci_attach(struct pci_dev *pdev, const struct pci_device_id *id) pmif->kauai_fcr = base; pmif->irq = pdev->irq; - pci_set_drvdata(pdev, hwif); + pci_set_drvdata(pdev, pmif); memset(&hw, 0, sizeof(hw)); pmac_ide_init_ports(&hw, pmif->regbase); hw.irq = pdev->irq; hw.dev = &pdev->dev; - rc = pmac_ide_setup_device(pmif, hwif, &hw); + rc = pmac_ide_setup_device(pmif, &hw); if (rc != 0) { /* The inteface is released to the common IDE layer */ pci_set_drvdata(pdev, NULL); @@ -1310,12 +1339,12 @@ out_free_pmif: static int pmac_ide_pci_suspend(struct pci_dev *pdev, pm_message_t mesg) { - ide_hwif_t *hwif = (ide_hwif_t *)pci_get_drvdata(pdev); - int rc = 0; - + pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)pci_get_drvdata(pdev); + int rc = 0; + if (mesg.event != pdev->dev.power.power_state.event && (mesg.event & PM_EVENT_SLEEP)) { - rc = pmac_ide_do_suspend(hwif); + rc = pmac_ide_do_suspend(pmif); if (rc == 0) pdev->dev.power.power_state = mesg; } @@ -1326,11 +1355,11 @@ pmac_ide_pci_suspend(struct pci_dev *pdev, pm_message_t mesg) static int pmac_ide_pci_resume(struct pci_dev *pdev) { - ide_hwif_t *hwif = (ide_hwif_t *)pci_get_drvdata(pdev); - int rc = 0; - + pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)pci_get_drvdata(pdev); + int rc = 0; + if (pdev->dev.power.power_state.event != PM_EVENT_ON) { - rc = pmac_ide_do_resume(hwif); + rc = pmac_ide_do_resume(pmif); if (rc == 0) pdev->dev.power.power_state = PMSG_ON; } @@ -1421,10 +1450,11 @@ out: static int pmac_ide_build_dmatable(ide_drive_t *drive, struct request *rq) { + ide_hwif_t *hwif = drive->hwif; + pmac_ide_hwif_t *pmif = + (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); struct dbdma_cmd *table; int i, count = 0; - ide_hwif_t *hwif = HWIF(drive); - pmac_ide_hwif_t* pmif = (pmac_ide_hwif_t *)hwif->hwif_data; volatile struct dbdma_regs __iomem *dma = pmif->dma_regs; struct scatterlist *sg; int wr = (rq_data_dir(rq) == WRITE); @@ -1520,7 +1550,8 @@ static int pmac_ide_dma_setup(ide_drive_t *drive) { ide_hwif_t *hwif = HWIF(drive); - pmac_ide_hwif_t* pmif = (pmac_ide_hwif_t *)hwif->hwif_data; + pmac_ide_hwif_t *pmif = + (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); struct request *rq = HWGROUP(drive)->rq; u8 unit = (drive->select.b.unit & 0x01); u8 ata4; @@ -1560,7 +1591,9 @@ pmac_ide_dma_exec_cmd(ide_drive_t *drive, u8 command) static void pmac_ide_dma_start(ide_drive_t *drive) { - pmac_ide_hwif_t* pmif = (pmac_ide_hwif_t *)HWIF(drive)->hwif_data; + ide_hwif_t *hwif = drive->hwif; + pmac_ide_hwif_t *pmif = + (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); volatile struct dbdma_regs __iomem *dma; dma = pmif->dma_regs; @@ -1576,7 +1609,9 @@ pmac_ide_dma_start(ide_drive_t *drive) static int pmac_ide_dma_end (ide_drive_t *drive) { - pmac_ide_hwif_t* pmif = (pmac_ide_hwif_t *)HWIF(drive)->hwif_data; + ide_hwif_t *hwif = drive->hwif; + pmac_ide_hwif_t *pmif = + (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); volatile struct dbdma_regs __iomem *dma; u32 dstat; @@ -1604,7 +1639,9 @@ pmac_ide_dma_end (ide_drive_t *drive) static int pmac_ide_dma_test_irq (ide_drive_t *drive) { - pmac_ide_hwif_t* pmif = (pmac_ide_hwif_t *)HWIF(drive)->hwif_data; + ide_hwif_t *hwif = drive->hwif; + pmac_ide_hwif_t *pmif = + (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); volatile struct dbdma_regs __iomem *dma; unsigned long status, timeout; @@ -1664,7 +1701,9 @@ static void pmac_ide_dma_host_set(ide_drive_t *drive, int on) static void pmac_ide_dma_lost_irq (ide_drive_t *drive) { - pmac_ide_hwif_t* pmif = (pmac_ide_hwif_t *)HWIF(drive)->hwif_data; + ide_hwif_t *hwif = drive->hwif; + pmac_ide_hwif_t *pmif = + (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); volatile struct dbdma_regs __iomem *dma; unsigned long status; @@ -1694,7 +1733,8 @@ static const struct ide_dma_ops pmac_dma_ops = { static int __devinit pmac_ide_init_dma(ide_hwif_t *hwif, const struct ide_port_info *d) { - pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)hwif->hwif_data; + pmac_ide_hwif_t *pmif = + (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); struct pci_dev *dev = to_pci_dev(hwif->dev); /* We won't need pci_dev if we switch to generic consistent diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c index 65fc08b6b6d..b15cad58dc8 100644 --- a/drivers/ide/setup-pci.c +++ b/drivers/ide/setup-pci.c @@ -73,15 +73,12 @@ static void ide_pci_clear_simplex(unsigned long dma_base, const char *name) * @d: IDE port info * * Fetch the DMA Bus-Master-I/O-Base-Address (BMIBA) from PCI space. - * Where a device has a partner that is already in DMA mode we check - * and enforce IDE simplex rules. */ unsigned long ide_pci_dma_base(ide_hwif_t *hwif, const struct ide_port_info *d) { struct pci_dev *dev = to_pci_dev(hwif->dev); unsigned long dma_base = 0; - u8 dma_stat = 0; if (hwif->host_flags & IDE_HFLAG_MMIO) return hwif->dma_base; @@ -102,11 +99,19 @@ unsigned long ide_pci_dma_base(ide_hwif_t *hwif, const struct ide_port_info *d) if (hwif->channel) dma_base += 8; - if (d->host_flags & IDE_HFLAG_CS5520) + return dma_base; +} +EXPORT_SYMBOL_GPL(ide_pci_dma_base); + +int ide_pci_check_simplex(ide_hwif_t *hwif, const struct ide_port_info *d) +{ + u8 dma_stat; + + if (d->host_flags & (IDE_HFLAG_MMIO | IDE_HFLAG_CS5520)) goto out; if (d->host_flags & IDE_HFLAG_CLEAR_SIMPLEX) { - ide_pci_clear_simplex(dma_base, d->name); + ide_pci_clear_simplex(hwif->dma_base, d->name); goto out; } @@ -120,15 +125,15 @@ unsigned long ide_pci_dma_base(ide_hwif_t *hwif, const struct ide_port_info *d) * we tune the drive then try to grab DMA ownership if we want to be * the DMA end. This has to be become dynamic to handle hot-plug. */ - dma_stat = hwif->INB(dma_base + 2); + dma_stat = hwif->tp_ops->read_sff_dma_status(hwif); if ((dma_stat & 0x80) && hwif->mate && hwif->mate->dma_base) { printk(KERN_INFO "%s: simplex device: DMA disabled\n", d->name); - dma_base = 0; + return -1; } out: - return dma_base; + return 0; } -EXPORT_SYMBOL_GPL(ide_pci_dma_base); +EXPORT_SYMBOL_GPL(ide_pci_check_simplex); /* * Set up BM-DMA capability (PnP BIOS should have done this) @@ -284,33 +289,31 @@ static int ide_pci_check_iomem(struct pci_dev *dev, const struct ide_port_info * } /** - * ide_hwif_configure - configure an IDE interface + * ide_hw_configure - configure a hw_regs_t instance * @dev: PCI device holding interface * @d: IDE port info * @port: port number * @irq: PCI IRQ + * @hw: hw_regs_t instance corresponding to this port * * Perform the initial set up for the hardware interface structure. This * is done per interface port rather than per PCI device. There may be * more than one port per device. * - * Returns the new hardware interface structure, or NULL on a failure + * Returns zero on success or an error code. */ -static ide_hwif_t *ide_hwif_configure(struct pci_dev *dev, - const struct ide_port_info *d, - unsigned int port, int irq) +static int ide_hw_configure(struct pci_dev *dev, const struct ide_port_info *d, + unsigned int port, int irq, hw_regs_t *hw) { unsigned long ctl = 0, base = 0; - ide_hwif_t *hwif; - struct hw_regs_s hw; if ((d->host_flags & IDE_HFLAG_ISA_PORTS) == 0) { if (ide_pci_check_iomem(dev, d, 2 * port) || ide_pci_check_iomem(dev, d, 2 * port + 1)) { printk(KERN_ERR "%s: I/O baseregs (BIOS) are reported " "as MEM for port %d!\n", d->name, port); - return NULL; + return -EINVAL; } ctl = pci_resource_start(dev, 2*port+1); @@ -324,22 +327,16 @@ static ide_hwif_t *ide_hwif_configure(struct pci_dev *dev, if (!base || !ctl) { printk(KERN_ERR "%s: bad PCI BARs for port %d, skipping\n", d->name, port); - return NULL; + return -EINVAL; } - hwif = ide_find_port_slot(d); - if (hwif == NULL) - return NULL; - - memset(&hw, 0, sizeof(hw)); - hw.irq = irq; - hw.dev = &dev->dev; - hw.chipset = d->chipset ? d->chipset : ide_pci; - ide_std_init_ports(&hw, base, ctl | 2); - - ide_init_port_hw(hwif, &hw); + memset(hw, 0, sizeof(*hw)); + hw->irq = irq; + hw->dev = &dev->dev; + hw->chipset = d->chipset ? d->chipset : ide_pci; + ide_std_init_ports(hw, base, ctl | 2); - return hwif; + return 0; } #ifdef CONFIG_BLK_DEV_IDEDMA_PCI @@ -362,7 +359,15 @@ int ide_hwif_setup_dma(ide_hwif_t *hwif, const struct ide_port_info *d) (dev->class & 0x80))) { unsigned long base = ide_pci_dma_base(hwif, d); - if (base == 0 || ide_pci_set_master(dev, d->name) < 0) + if (base == 0) + return -1; + + hwif->dma_base = base; + + if (ide_pci_check_simplex(hwif, d) < 0) + return -1; + + if (ide_pci_set_master(dev, d->name) < 0) return -1; if (hwif->host_flags & IDE_HFLAG_MMIO) @@ -376,7 +381,7 @@ int ide_hwif_setup_dma(ide_hwif_t *hwif, const struct ide_port_info *d) if (ide_allocate_dma_engine(hwif)) return -1; - ide_setup_dma(hwif, base); + hwif->dma_ops = &sff_dma_ops; } return 0; @@ -429,7 +434,8 @@ out: * @dev: PCI device * @d: IDE port info * @pciirq: IRQ line - * @idx: ATA index table to update + * @hw: hw_regs_t instances corresponding to this PCI IDE device + * @hws: hw_regs_t pointers table to update * * Scan the interfaces attached to this device and do any * necessary per port setup. Attach the devices and ask the @@ -440,10 +446,10 @@ out: * where the chipset setup is not the default PCI IDE one. */ -void ide_pci_setup_ports(struct pci_dev *dev, const struct ide_port_info *d, int pciirq, u8 *idx) +void ide_pci_setup_ports(struct pci_dev *dev, const struct ide_port_info *d, + int pciirq, hw_regs_t *hw, hw_regs_t **hws) { int channels = (d->host_flags & IDE_HFLAG_SINGLE) ? 1 : 2, port; - ide_hwif_t *hwif; u8 tmp; /* @@ -459,11 +465,10 @@ void ide_pci_setup_ports(struct pci_dev *dev, const struct ide_port_info *d, int continue; /* port not enabled */ } - hwif = ide_hwif_configure(dev, d, port, pciirq); - if (hwif == NULL) + if (ide_hw_configure(dev, d, port, pciirq, hw + port)) continue; - *(idx + port) = hwif->index; + *(hws + port) = hw + port; } } EXPORT_SYMBOL_GPL(ide_pci_setup_ports); @@ -480,7 +485,7 @@ EXPORT_SYMBOL_GPL(ide_pci_setup_ports); */ static int do_ide_setup_pci_device(struct pci_dev *dev, const struct ide_port_info *d, - u8 *idx, u8 noisy) + u8 noisy) { int tried_config = 0; int pciirq, ret; @@ -529,22 +534,24 @@ static int do_ide_setup_pci_device(struct pci_dev *dev, d->name, pciirq); } - /* FIXME: silent failure can happen */ - - ide_pci_setup_ports(dev, d, pciirq, idx); + ret = pciirq; out: return ret; } int ide_setup_pci_device(struct pci_dev *dev, const struct ide_port_info *d) { - u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; + hw_regs_t hw[4], *hws[] = { NULL, NULL, NULL, NULL }; int ret; - ret = do_ide_setup_pci_device(dev, d, &idx[0], 1); + ret = do_ide_setup_pci_device(dev, d, 1); + + if (ret >= 0) { + /* FIXME: silent failure can happen */ + ide_pci_setup_ports(dev, d, ret, &hw[0], &hws[0]); - if (ret >= 0) - ide_device_add(idx, d); + ret = ide_host_add(d, hws, NULL); + } return ret; } @@ -555,19 +562,23 @@ int ide_setup_pci_devices(struct pci_dev *dev1, struct pci_dev *dev2, { struct pci_dev *pdev[] = { dev1, dev2 }; int ret, i; - u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; + hw_regs_t hw[4], *hws[] = { NULL, NULL, NULL, NULL }; for (i = 0; i < 2; i++) { - ret = do_ide_setup_pci_device(pdev[i], d, &idx[i*2], !i); + ret = do_ide_setup_pci_device(pdev[i], d, !i); + /* * FIXME: Mom, mom, they stole me the helper function to undo * do_ide_setup_pci_device() on the first device! */ if (ret < 0) goto out; + + /* FIXME: silent failure can happen */ + ide_pci_setup_ports(pdev[i], d, ret, &hw[i*2], &hws[i*2]); } - ide_device_add(idx, d); + ret = ide_host_add(d, hws, NULL); out: return ret; } diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index f843c1383a4..538552495d4 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -84,7 +84,6 @@ typedef struct ide_scsi_obj { struct Scsi_Host *host; struct ide_atapi_pc *pc; /* Current packet command */ - unsigned long flags; /* Status/Action flags */ unsigned long transform; /* SCSI cmd translation layer */ unsigned long log; /* log flags */ } idescsi_scsi_t; @@ -126,23 +125,14 @@ static inline idescsi_scsi_t *drive_to_idescsi(ide_drive_t *ide_drive) } /* - * Per ATAPI device status bits. - */ -#define IDESCSI_DRQ_INTERRUPT 0 /* DRQ interrupt device */ - -/* - * ide-scsi requests. - */ -#define IDESCSI_PC_RQ 90 - -/* * PIO data transfer routine using the scatter gather table. */ static void ide_scsi_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc, unsigned int bcount, int write) { ide_hwif_t *hwif = drive->hwif; - xfer_func_t *xf = write ? hwif->output_data : hwif->input_data; + const struct ide_tp_ops *tp_ops = hwif->tp_ops; + xfer_func_t *xf = write ? tp_ops->output_data : tp_ops->input_data; char *buf; int count; @@ -228,7 +218,6 @@ static int idescsi_check_condition(ide_drive_t *drive, rq->cmd_type = REQ_TYPE_SENSE; rq->cmd_flags |= REQ_PREEMPT; pc->timeout = jiffies + WAIT_READY; - pc->callback = ide_scsi_callback; /* NOTE! Save the failed packet command in "rq->buffer" */ rq->buffer = (void *) failed_cmd->special; pc->scsi_cmd = ((struct ide_atapi_pc *) failed_cmd->special)->scsi_cmd; @@ -237,6 +226,7 @@ static int idescsi_check_condition(ide_drive_t *drive, ide_scsi_hex_dump(pc->c, 6); } rq->rq_disk = scsi->disk; + memcpy(rq->cmd, pc->c, 12); ide_do_drive_cmd(drive, rq); return 0; } @@ -246,10 +236,9 @@ idescsi_atapi_error(ide_drive_t *drive, struct request *rq, u8 stat, u8 err) { ide_hwif_t *hwif = drive->hwif; - if (ide_read_status(drive) & (BUSY_STAT | DRQ_STAT)) + if (hwif->tp_ops->read_status(hwif) & (BUSY_STAT | DRQ_STAT)) /* force an abort */ - hwif->OUTBSYNC(hwif, WIN_IDLEIMMEDIATE, - hwif->io_ports.command_addr); + hwif->tp_ops->exec_command(hwif, WIN_IDLEIMMEDIATE); rq->errors++; @@ -421,10 +410,6 @@ static ide_startstop_t idescsi_do_request (ide_drive_t *drive, struct request *r if (blk_sense_request(rq) || blk_special_request(rq)) { struct ide_atapi_pc *pc = (struct ide_atapi_pc *)rq->special; - idescsi_scsi_t *scsi = drive_to_idescsi(drive); - - if (test_bit(IDESCSI_DRQ_INTERRUPT, &scsi->flags)) - pc->flags |= PC_FLAG_DRQ_INTERRUPT; if (drive->using_dma && !idescsi_map_sg(drive, pc)) pc->flags |= PC_FLAG_DMA_OK; @@ -460,11 +445,14 @@ static inline void idescsi_add_settings(ide_drive_t *drive) { ; } static void idescsi_setup (ide_drive_t *drive, idescsi_scsi_t *scsi) { if (drive->id && (drive->id->config & 0x0060) == 0x20) - set_bit (IDESCSI_DRQ_INTERRUPT, &scsi->flags); + set_bit(IDE_AFLAG_DRQ_INTERRUPT, &drive->atapi_flags); clear_bit(IDESCSI_SG_TRANSFORM, &scsi->transform); #if IDESCSI_DEBUG_LOG set_bit(IDESCSI_LOG_CMD, &scsi->log); #endif /* IDESCSI_DEBUG_LOG */ + + drive->pc_callback = ide_scsi_callback; + idescsi_add_settings(drive); } @@ -616,7 +604,6 @@ static int idescsi_queue (struct scsi_cmnd *cmd, pc->scsi_cmd = cmd; pc->done = done; pc->timeout = jiffies + cmd->timeout_per_command; - pc->callback = ide_scsi_callback; if (test_bit(IDESCSI_LOG_CMD, &scsi->log)) { printk ("ide-scsi: %s: que %lu, cmd = ", drive->name, cmd->serial_number); @@ -631,6 +618,7 @@ static int idescsi_queue (struct scsi_cmnd *cmd, rq->special = (char *) pc; rq->cmd_type = REQ_TYPE_SPECIAL; spin_unlock_irq(host->host_lock); + memcpy(rq->cmd, pc->c, 12); blk_execute_rq_nowait(drive->queue, scsi->disk, rq, 0, NULL); spin_lock_irq(host->host_lock); return 0; diff --git a/include/linux/ide.h b/include/linux/ide.h index 4726126f5a5..d67ccca2b96 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -178,6 +178,7 @@ typedef struct hw_regs_s { ide_ack_intr_t *ack_intr; /* acknowledge interrupt */ hwif_chipset_t chipset; struct device *dev, *parent; + unsigned long config; } hw_regs_t; void ide_init_port_data(struct hwif_s *, unsigned int); @@ -307,7 +308,65 @@ struct ide_acpi_drive_link; struct ide_acpi_hwif_link; #endif -typedef struct ide_drive_s { +/* ATAPI device flags */ +enum { + IDE_AFLAG_DRQ_INTERRUPT = (1 << 0), + IDE_AFLAG_MEDIA_CHANGED = (1 << 1), + + /* ide-cd */ + /* Drive cannot lock the door. */ + IDE_AFLAG_NO_DOORLOCK = (1 << 2), + /* Drive cannot eject the disc. */ + IDE_AFLAG_NO_EJECT = (1 << 3), + /* Drive is a pre ATAPI 1.2 drive. */ + IDE_AFLAG_PRE_ATAPI12 = (1 << 4), + /* TOC addresses are in BCD. */ + IDE_AFLAG_TOCADDR_AS_BCD = (1 << 5), + /* TOC track numbers are in BCD. */ + IDE_AFLAG_TOCTRACKS_AS_BCD = (1 << 6), + /* + * Drive does not provide data in multiples of SECTOR_SIZE + * when more than one interrupt is needed. + */ + IDE_AFLAG_LIMIT_NFRAMES = (1 << 7), + /* Seeking in progress. */ + IDE_AFLAG_SEEKING = (1 << 8), + /* Saved TOC information is current. */ + IDE_AFLAG_TOC_VALID = (1 << 9), + /* We think that the drive door is locked. */ + IDE_AFLAG_DOOR_LOCKED = (1 << 10), + /* SET_CD_SPEED command is unsupported. */ + IDE_AFLAG_NO_SPEED_SELECT = (1 << 11), + IDE_AFLAG_VERTOS_300_SSD = (1 << 12), + IDE_AFLAG_VERTOS_600_ESD = (1 << 13), + IDE_AFLAG_SANYO_3CD = (1 << 14), + IDE_AFLAG_FULL_CAPS_PAGE = (1 << 15), + IDE_AFLAG_PLAY_AUDIO_OK = (1 << 16), + IDE_AFLAG_LE_SPEED_FIELDS = (1 << 17), + + /* ide-floppy */ + /* Format in progress */ + IDE_AFLAG_FORMAT_IN_PROGRESS = (1 << 18), + /* Avoid commands not supported in Clik drive */ + IDE_AFLAG_CLIK_DRIVE = (1 << 19), + /* Requires BH algorithm for packets */ + IDE_AFLAG_ZIP_DRIVE = (1 << 20), + + /* ide-tape */ + IDE_AFLAG_IGNORE_DSC = (1 << 21), + /* 0 When the tape position is unknown */ + IDE_AFLAG_ADDRESS_VALID = (1 << 22), + /* Device already opened */ + IDE_AFLAG_BUSY = (1 << 23), + /* Attempt to auto-detect the current user block size */ + IDE_AFLAG_DETECT_BS = (1 << 24), + /* Currently on a filemark */ + IDE_AFLAG_FILEMARK = (1 << 25), + /* 0 = no tape is loaded, so we don't rewind after ejecting */ + IDE_AFLAG_MEDIUM_PRESENT = (1 << 26) +}; + +struct ide_drive_s { char name[4]; /* drive name, such as "hda" */ char driver_req[10]; /* requests specific driver */ @@ -355,7 +414,6 @@ typedef struct ide_drive_s { unsigned nodma : 1; /* disallow DMA */ unsigned remap_0_to_1 : 1; /* 0=noremap, 1=remap 0->1 (for EZDrive) */ unsigned blocked : 1; /* 1=powermanagment told us not to do anything, so sleep nicely */ - unsigned vdma : 1; /* 1=doing PIO over DMA 0=doing normal DMA */ unsigned scsi : 1; /* 0=default, 1=ide-scsi emulation */ unsigned sleeping : 1; /* 1=sleeping & sleep field valid */ unsigned post_reset : 1; @@ -400,7 +458,14 @@ typedef struct ide_drive_s { struct list_head list; struct device gendev; struct completion gendev_rel_comp; /* to deal with device release() */ -} ide_drive_t; + + /* callback for packet commands */ + void (*pc_callback)(struct ide_drive_s *); + + unsigned long atapi_flags; +}; + +typedef struct ide_drive_s ide_drive_t; #define to_ide_device(dev)container_of(dev, ide_drive_t, gendev) @@ -408,8 +473,28 @@ typedef struct ide_drive_s { ((1<<ide_pci)|(1<<ide_cmd646)|(1<<ide_ali14xx)) #define IDE_CHIPSET_IS_PCI(c) ((IDE_CHIPSET_PCI_MASK >> (c)) & 1) +struct ide_task_s; struct ide_port_info; +struct ide_tp_ops { + void (*exec_command)(struct hwif_s *, u8); + u8 (*read_status)(struct hwif_s *); + u8 (*read_altstatus)(struct hwif_s *); + u8 (*read_sff_dma_status)(struct hwif_s *); + + void (*set_irq)(struct hwif_s *, int); + + void (*tf_load)(ide_drive_t *, struct ide_task_s *); + void (*tf_read)(ide_drive_t *, struct ide_task_s *); + + void (*input_data)(ide_drive_t *, struct request *, void *, + unsigned int); + void (*output_data)(ide_drive_t *, struct request *, void *, + unsigned int); +}; + +extern const struct ide_tp_ops default_tp_ops; + struct ide_port_ops { /* host specific initialization of a device */ void (*init_dev)(ide_drive_t *); @@ -447,8 +532,6 @@ struct ide_dma_ops { void (*dma_timeout)(struct ide_drive_s *); }; -struct ide_task_s; - typedef struct hwif_s { struct hwif_s *next; /* for linked-list in ide_hwgroup_t */ struct hwif_s *mate; /* other hwif from same PCI chip */ @@ -486,22 +569,12 @@ typedef struct hwif_s { void (*rw_disk)(ide_drive_t *, struct request *); + const struct ide_tp_ops *tp_ops; const struct ide_port_ops *port_ops; const struct ide_dma_ops *dma_ops; - void (*tf_load)(ide_drive_t *, struct ide_task_s *); - void (*tf_read)(ide_drive_t *, struct ide_task_s *); - - void (*input_data)(ide_drive_t *, struct request *, void *, unsigned); - void (*output_data)(ide_drive_t *, struct request *, void *, unsigned); - void (*ide_dma_clear_irq)(ide_drive_t *drive); - void (*OUTB)(u8 addr, unsigned long port); - void (*OUTBSYNC)(struct hwif_s *hwif, u8 addr, unsigned long port); - - u8 (*INB)(unsigned long port); - /* dma physical region descriptor table (cpu view) */ unsigned int *dmatable_cpu; /* dma physical region descriptor table (dma view) */ @@ -524,8 +597,6 @@ typedef struct hwif_s { int irq; /* our irq number */ unsigned long dma_base; /* base addr for dma ports */ - unsigned long dma_command; /* dma command register */ - unsigned long dma_status; /* dma status register */ unsigned long config_data; /* for use by chipset-specific code */ unsigned long select_data; /* for use by chipset-specific code */ @@ -552,6 +623,11 @@ typedef struct hwif_s { #endif } ____cacheline_internodealigned_in_smp ide_hwif_t; +struct ide_host { + ide_hwif_t *ports[MAX_HWIFS]; + unsigned int n_ports; +}; + /* * internal ide interrupt handler type */ @@ -611,8 +687,6 @@ enum { PC_FLAG_WRITING = (1 << 6), /* command timed out */ PC_FLAG_TIMEDOUT = (1 << 7), - PC_FLAG_ZIP_DRIVE = (1 << 8), - PC_FLAG_DRQ_INTERRUPT = (1 << 9), }; struct ide_atapi_pc { @@ -646,8 +720,6 @@ struct ide_atapi_pc { */ u8 pc_buf[256]; - void (*callback)(ide_drive_t *); - /* idetape only */ struct idetape_bh *bh; char *b_data; @@ -807,13 +879,6 @@ int generic_ide_ioctl(ide_drive_t *, struct file *, struct block_device *, unsig extern int ide_vlb_clk; extern int ide_pci_clk; -ide_hwif_t *ide_find_port_slot(const struct ide_port_info *); - -static inline ide_hwif_t *ide_find_port(void) -{ - return ide_find_port_slot(NULL); -} - extern int ide_end_request (ide_drive_t *drive, int uptodate, int nrsecs); int ide_end_dequeued_request(ide_drive_t *drive, struct request *rq, int uptodate, int nr_sectors); @@ -884,6 +949,7 @@ enum { IDE_TFLAG_IN_HOB = IDE_TFLAG_IN_HOB_FEATURE | IDE_TFLAG_IN_HOB_NSECT | IDE_TFLAG_IN_HOB_LBA, + IDE_TFLAG_IN_FEATURE = (1 << 1), IDE_TFLAG_IN_NSECT = (1 << 25), IDE_TFLAG_IN_LBAL = (1 << 26), IDE_TFLAG_IN_LBAM = (1 << 27), @@ -948,9 +1014,25 @@ typedef struct ide_task_s { void ide_tf_dump(const char *, struct ide_taskfile *); +void ide_exec_command(ide_hwif_t *, u8); +u8 ide_read_status(ide_hwif_t *); +u8 ide_read_altstatus(ide_hwif_t *); +u8 ide_read_sff_dma_status(ide_hwif_t *); + +void ide_set_irq(ide_hwif_t *, int); + +void ide_tf_load(ide_drive_t *, ide_task_t *); +void ide_tf_read(ide_drive_t *, ide_task_t *); + +void ide_input_data(ide_drive_t *, struct request *, void *, unsigned int); +void ide_output_data(ide_drive_t *, struct request *, void *, unsigned int); + extern void SELECT_DRIVE(ide_drive_t *); void SELECT_MASK(ide_drive_t *, int); +u8 ide_read_error(ide_drive_t *); +void ide_read_bcount_and_ireason(ide_drive_t *, u16 *, u8 *); + extern int drive_is_ready(ide_drive_t *); void ide_pktcmd_tf_load(ide_drive_t *, u32, u16, u8); @@ -1000,12 +1082,15 @@ extern int __ide_pci_register_driver(struct pci_driver *driver, struct module *o #define ide_pci_register_driver(d) pci_register_driver(d) #endif -void ide_pci_setup_ports(struct pci_dev *, const struct ide_port_info *, int, u8 *); +void ide_pci_setup_ports(struct pci_dev *, const struct ide_port_info *, int, + hw_regs_t *, hw_regs_t **); void ide_setup_pci_noise(struct pci_dev *, const struct ide_port_info *); #ifdef CONFIG_BLK_DEV_IDEDMA_PCI int ide_pci_set_master(struct pci_dev *, const char *); unsigned long ide_pci_dma_base(ide_hwif_t *, const struct ide_port_info *); +extern const struct ide_dma_ops sff_dma_ops; +int ide_pci_check_simplex(ide_hwif_t *, const struct ide_port_info *); int ide_hwif_setup_dma(ide_hwif_t *, const struct ide_port_info *); #else static inline int ide_hwif_setup_dma(ide_hwif_t *hwif, @@ -1015,10 +1100,6 @@ static inline int ide_hwif_setup_dma(ide_hwif_t *hwif, } #endif -extern void default_hwif_iops(ide_hwif_t *); -extern void default_hwif_mmiops(ide_hwif_t *); -extern void default_hwif_transport(ide_hwif_t *); - typedef struct ide_pci_enablebit_s { u8 reg; /* byte pci reg holding the enable-bit */ u8 mask; /* mask to isolate the enable-bit */ @@ -1081,7 +1162,6 @@ enum { IDE_HFLAG_IO_32BIT = (1 << 24), /* unmask IRQs */ IDE_HFLAG_UNMASK_IRQS = (1 << 25), - IDE_HFLAG_ABUSE_SET_DMA_MODE = (1 << 26), /* serialize ports if DMA is possible (for sl82c105) */ IDE_HFLAG_SERIALIZE_DMA = (1 << 27), /* force host out of "simplex" mode */ @@ -1092,8 +1172,6 @@ enum { IDE_HFLAG_NO_IO_32BIT = (1 << 30), /* never unmask IRQs */ IDE_HFLAG_NO_UNMASK_IRQS = (1 << 31), - /* host uses VDMA (disabled for now) */ - IDE_HFLAG_VDMA = 0, }; #ifdef CONFIG_BLK_DEV_OFFBOARD @@ -1110,6 +1188,7 @@ struct ide_port_info { int (*init_dma)(ide_hwif_t *, const struct ide_port_info *); + const struct ide_tp_ops *tp_ops; const struct ide_port_ops *port_ops; const struct ide_dma_ops *dma_ops; @@ -1163,7 +1242,6 @@ void ide_destroy_dmatable(ide_drive_t *); extern int ide_build_dmatable(ide_drive_t *, struct request *); int ide_allocate_dma_engine(ide_hwif_t *); void ide_release_dma_engine(ide_hwif_t *); -void ide_setup_dma(ide_hwif_t *, unsigned long); void ide_dma_host_set(ide_drive_t *, int); extern int ide_dma_setup(ide_drive_t *); @@ -1217,8 +1295,14 @@ void ide_undecoded_slave(ide_drive_t *); void ide_port_apply_params(ide_hwif_t *); -int ide_device_add_all(u8 *idx, const struct ide_port_info *); -int ide_device_add(u8 idx[4], const struct ide_port_info *); +struct ide_host *ide_host_alloc_all(const struct ide_port_info *, hw_regs_t **); +struct ide_host *ide_host_alloc(const struct ide_port_info *, hw_regs_t **); +void ide_host_free(struct ide_host *); +int ide_host_register(struct ide_host *, const struct ide_port_info *, + hw_regs_t **); +int ide_host_add(const struct ide_port_info *, hw_regs_t **, + struct ide_host **); +void ide_host_remove(struct ide_host *); int ide_legacy_device_add(const struct ide_port_info *, unsigned long); void ide_port_unregister_devices(ide_hwif_t *); void ide_port_scan(ide_hwif_t *); @@ -1350,33 +1434,4 @@ static inline ide_drive_t *ide_get_paired_drive(ide_drive_t *drive) return &hwif->drives[(drive->dn ^ 1) & 1]; } - -static inline void ide_set_irq(ide_drive_t *drive, int on) -{ - ide_hwif_t *hwif = drive->hwif; - - hwif->OUTBSYNC(hwif, ATA_DEVCTL_OBS | (on ? 0 : 2), - hwif->io_ports.ctl_addr); -} - -static inline u8 ide_read_status(ide_drive_t *drive) -{ - ide_hwif_t *hwif = drive->hwif; - - return hwif->INB(hwif->io_ports.status_addr); -} - -static inline u8 ide_read_altstatus(ide_drive_t *drive) -{ - ide_hwif_t *hwif = drive->hwif; - - return hwif->INB(hwif->io_ports.ctl_addr); -} - -static inline u8 ide_read_error(ide_drive_t *drive) -{ - ide_hwif_t *hwif = drive->hwif; - - return hwif->INB(hwif->io_ports.error_addr); -} #endif /* _IDE_H */ |