diff options
Diffstat (limited to 'drivers/ide/ppc/pmac.c')
-rw-r--r-- | drivers/ide/ppc/pmac.c | 241 |
1 files changed, 138 insertions, 103 deletions
diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c index dcb2c466bb9..c521bf6e1bf 100644 --- a/drivers/ide/ppc/pmac.c +++ b/drivers/ide/ppc/pmac.c @@ -5,7 +5,7 @@ * for doing DMA. * * Copyright (C) 1998-2003 Paul Mackerras & Ben. Herrenschmidt - * Copyright (C) 2007 Bartlomiej Zolnierkiewicz + * Copyright (C) 2007-2008 Bartlomiej Zolnierkiewicz * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -48,7 +48,7 @@ #include <asm/mediabay.h> #endif -#include "../ide-timing.h" +#define DRV_NAME "ide-pmac" #undef IDE_PMAC_DEBUG @@ -426,7 +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; @@ -446,7 +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; @@ -467,7 +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; @@ -480,12 +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)); } @@ -495,10 +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) @@ -526,10 +549,9 @@ pmac_ide_set_pio_mode(ide_drive_t *drive, const u8 pio) } case controller_kl_ata4: /* 66Mhz cell */ - recTime = cycle_time - ide_pio_timings[pio].active_time - - ide_pio_timings[pio].setup_time; + recTime = cycle_time - tim->active - tim->setup; recTime = max(recTime, 150U); - accessTime = ide_pio_timings[pio].active_time; + accessTime = tim->active; accessTime = max(accessTime, 150U); accessTicks = SYSCLK_TICKS_66(accessTime); accessTicks = min(accessTicks, 0x1fU); @@ -542,10 +564,9 @@ pmac_ide_set_pio_mode(ide_drive_t *drive, const u8 pio) default: { /* 33Mhz cell */ int ebit = 0; - recTime = cycle_time - ide_pio_timings[pio].active_time - - ide_pio_timings[pio].setup_time; + recTime = cycle_time - tim->active - tim->setup; recTime = max(recTime, 150U); - accessTime = ide_pio_timings[pio].active_time; + accessTime = tim->active; accessTime = max(accessTime, 150U); accessTicks = SYSCLK_TICKS(accessTime); accessTicks = min(accessTicks, 0x1fU); @@ -781,9 +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]; @@ -855,11 +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; @@ -887,11 +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); @@ -919,7 +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); @@ -939,7 +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, @@ -947,6 +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, @@ -954,6 +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, @@ -962,12 +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 | @@ -980,13 +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")) { @@ -1057,31 +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; } @@ -1104,7 +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; @@ -1113,14 +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); @@ -1151,8 +1184,6 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match) base = ioremap(macio_resource_start(mdev, 0), 0x400); regbase = (unsigned long) base; - hwif->dev = &mdev->bus->pdev->dev; - pmif->mdev = mdev; pmif->node = mdev->ofdev.node; pmif->regbase = regbase; @@ -1169,14 +1200,15 @@ 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); hw.irq = irq; - hw.dev = &mdev->ofdev.dev; + hw.dev = &mdev->bus->pdev->dev; + hw.parent = &mdev->ofdev.dev; - rc = pmac_ide_setup_device(pmif, hwif, &hw); + 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); @@ -1199,12 +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; } @@ -1215,11 +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; } @@ -1233,7 +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; @@ -1251,14 +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); @@ -1274,7 +1299,6 @@ pmac_ide_pci_attach(struct pci_dev *pdev, const struct pci_device_id *id) goto out_free_pmif; } - hwif->dev = &pdev->dev; pmif->mdev = NULL; pmif->node = np; @@ -1289,14 +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); @@ -1315,12 +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; } @@ -1331,11 +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; } @@ -1426,10 +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); @@ -1525,7 +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; @@ -1565,7 +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; @@ -1581,7 +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; @@ -1609,7 +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; @@ -1669,7 +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; @@ -1699,7 +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 |