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path: root/drivers/ide/ppc/pmac.c
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Diffstat (limited to 'drivers/ide/ppc/pmac.c')
-rw-r--r--drivers/ide/ppc/pmac.c86
1 files changed, 54 insertions, 32 deletions
diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c
index 177961edc430..185faa0dce94 100644
--- a/drivers/ide/ppc/pmac.c
+++ b/drivers/ide/ppc/pmac.c
@@ -409,7 +409,7 @@ kauai_lookup_timing(struct kauai_timing* table, int cycle_time)
409 */ 409 */
410#define IDE_WAKEUP_DELAY (1*HZ) 410#define IDE_WAKEUP_DELAY (1*HZ)
411 411
412static int pmac_ide_setup_dma(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif); 412static int pmac_ide_init_dma(ide_hwif_t *, const struct ide_port_info *);
413static int pmac_ide_build_dmatable(ide_drive_t *drive, struct request *rq); 413static int pmac_ide_build_dmatable(ide_drive_t *drive, struct request *rq);
414static void pmac_ide_selectproc(ide_drive_t *drive); 414static void pmac_ide_selectproc(ide_drive_t *drive);
415static void pmac_ide_kauai_selectproc(ide_drive_t *drive); 415static void pmac_ide_kauai_selectproc(ide_drive_t *drive);
@@ -918,11 +918,29 @@ pmac_ide_do_resume(ide_hwif_t *hwif)
918 return 0; 918 return 0;
919} 919}
920 920
921static const struct ide_port_ops pmac_ide_ata6_port_ops = {
922 .set_pio_mode = pmac_ide_set_pio_mode,
923 .set_dma_mode = pmac_ide_set_dma_mode,
924 .selectproc = pmac_ide_kauai_selectproc,
925};
926
927static const struct ide_port_ops pmac_ide_port_ops = {
928 .set_pio_mode = pmac_ide_set_pio_mode,
929 .set_dma_mode = pmac_ide_set_dma_mode,
930 .selectproc = pmac_ide_selectproc,
931};
932
933static const struct ide_dma_ops pmac_dma_ops;
934
921static const struct ide_port_info pmac_port_info = { 935static const struct ide_port_info pmac_port_info = {
936 .init_dma = pmac_ide_init_dma,
922 .chipset = ide_pmac, 937 .chipset = ide_pmac,
938#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
939 .dma_ops = &pmac_dma_ops,
940#endif
941 .port_ops = &pmac_ide_port_ops,
923 .host_flags = IDE_HFLAG_SET_PIO_MODE_KEEP_DMA | 942 .host_flags = IDE_HFLAG_SET_PIO_MODE_KEEP_DMA |
924 IDE_HFLAG_POST_SET_MODE | 943 IDE_HFLAG_POST_SET_MODE |
925 IDE_HFLAG_NO_DMA | /* no SFF-style DMA */
926 IDE_HFLAG_UNMASK_IRQS, 944 IDE_HFLAG_UNMASK_IRQS,
927 .pio_mask = ATA_PIO4, 945 .pio_mask = ATA_PIO4,
928 .mwdma_mask = ATA_MWDMA2, 946 .mwdma_mask = ATA_MWDMA2,
@@ -947,12 +965,15 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif, hw_regs_t *hw)
947 pmif->broken_dma = pmif->broken_dma_warn = 0; 965 pmif->broken_dma = pmif->broken_dma_warn = 0;
948 if (of_device_is_compatible(np, "shasta-ata")) { 966 if (of_device_is_compatible(np, "shasta-ata")) {
949 pmif->kind = controller_sh_ata6; 967 pmif->kind = controller_sh_ata6;
968 d.port_ops = &pmac_ide_ata6_port_ops;
950 d.udma_mask = ATA_UDMA6; 969 d.udma_mask = ATA_UDMA6;
951 } else if (of_device_is_compatible(np, "kauai-ata")) { 970 } else if (of_device_is_compatible(np, "kauai-ata")) {
952 pmif->kind = controller_un_ata6; 971 pmif->kind = controller_un_ata6;
972 d.port_ops = &pmac_ide_ata6_port_ops;
953 d.udma_mask = ATA_UDMA5; 973 d.udma_mask = ATA_UDMA5;
954 } else if (of_device_is_compatible(np, "K2-UATA")) { 974 } else if (of_device_is_compatible(np, "K2-UATA")) {
955 pmif->kind = controller_k2_ata6; 975 pmif->kind = controller_k2_ata6;
976 d.port_ops = &pmac_ide_ata6_port_ops;
956 d.udma_mask = ATA_UDMA5; 977 d.udma_mask = ATA_UDMA5;
957 } else if (of_device_is_compatible(np, "keylargo-ata")) { 978 } else if (of_device_is_compatible(np, "keylargo-ata")) {
958 if (strcmp(np->name, "ata-4") == 0) { 979 if (strcmp(np->name, "ata-4") == 0) {
@@ -1029,37 +1050,29 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif, hw_regs_t *hw)
1029 default_hwif_mmiops(hwif); 1050 default_hwif_mmiops(hwif);
1030 hwif->OUTBSYNC = pmac_outbsync; 1051 hwif->OUTBSYNC = pmac_outbsync;
1031 1052
1032 /* Tell common code _not_ to mess with resources */
1033 hwif->mmio = 1;
1034 hwif->hwif_data = pmif; 1053 hwif->hwif_data = pmif;
1035 ide_init_port_hw(hwif, hw); 1054 ide_init_port_hw(hwif, hw);
1036 hwif->noprobe = pmif->mediabay;
1037 hwif->cbl = pmif->cable_80 ? ATA_CBL_PATA80 : ATA_CBL_PATA40; 1055 hwif->cbl = pmif->cable_80 ? ATA_CBL_PATA80 : ATA_CBL_PATA40;
1038 hwif->set_pio_mode = pmac_ide_set_pio_mode;
1039 if (pmif->kind == controller_un_ata6
1040 || pmif->kind == controller_k2_ata6
1041 || pmif->kind == controller_sh_ata6)
1042 hwif->selectproc = pmac_ide_kauai_selectproc;
1043 else
1044 hwif->selectproc = pmac_ide_selectproc;
1045 hwif->set_dma_mode = pmac_ide_set_dma_mode;
1046 1056
1047 printk(KERN_INFO "ide%d: Found Apple %s controller, bus ID %d%s, irq %d\n", 1057 printk(KERN_INFO "ide%d: Found Apple %s controller, bus ID %d%s, irq %d\n",
1048 hwif->index, model_name[pmif->kind], pmif->aapl_bus_id, 1058 hwif->index, model_name[pmif->kind], pmif->aapl_bus_id,
1049 pmif->mediabay ? " (mediabay)" : "", hwif->irq); 1059 pmif->mediabay ? " (mediabay)" : "", hwif->irq);
1050 1060
1061 if (pmif->mediabay) {
1051#ifdef CONFIG_PMAC_MEDIABAY 1062#ifdef CONFIG_PMAC_MEDIABAY
1052 if (pmif->mediabay && check_media_bay_by_base(pmif->regbase, MB_CD) == 0) 1063 if (check_media_bay_by_base(pmif->regbase, MB_CD)) {
1053 hwif->noprobe = 0; 1064#else
1054#endif /* CONFIG_PMAC_MEDIABAY */ 1065 if (1) {
1066#endif
1067 hwif->drives[0].noprobe = 1;
1068 hwif->drives[1].noprobe = 1;
1069 }
1070 }
1055 1071
1056#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC 1072#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
1057 if (pmif->cable_80 == 0) 1073 if (pmif->cable_80 == 0)
1058 d.udma_mask &= ATA_UDMA2; 1074 d.udma_mask &= ATA_UDMA2;
1059 /* has a DBDMA controller channel */
1060 if (pmif->dma_regs == 0 || pmac_ide_setup_dma(pmif, hwif) < 0)
1061#endif 1075#endif
1062 d.udma_mask = d.mwdma_mask = 0;
1063 1076
1064 idx[0] = hwif->index; 1077 idx[0] = hwif->index;
1065 1078
@@ -1662,18 +1675,31 @@ pmac_ide_dma_lost_irq (ide_drive_t *drive)
1662 printk(KERN_ERR "ide-pmac lost interrupt, dma status: %lx\n", status); 1675 printk(KERN_ERR "ide-pmac lost interrupt, dma status: %lx\n", status);
1663} 1676}
1664 1677
1678static const struct ide_dma_ops pmac_dma_ops = {
1679 .dma_host_set = pmac_ide_dma_host_set,
1680 .dma_setup = pmac_ide_dma_setup,
1681 .dma_exec_cmd = pmac_ide_dma_exec_cmd,
1682 .dma_start = pmac_ide_dma_start,
1683 .dma_end = pmac_ide_dma_end,
1684 .dma_test_irq = pmac_ide_dma_test_irq,
1685 .dma_timeout = ide_dma_timeout,
1686 .dma_lost_irq = pmac_ide_dma_lost_irq,
1687};
1688
1665/* 1689/*
1666 * Allocate the data structures needed for using DMA with an interface 1690 * Allocate the data structures needed for using DMA with an interface
1667 * and fill the proper list of functions pointers 1691 * and fill the proper list of functions pointers
1668 */ 1692 */
1669static int __devinit pmac_ide_setup_dma(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif) 1693static int __devinit pmac_ide_init_dma(ide_hwif_t *hwif,
1694 const struct ide_port_info *d)
1670{ 1695{
1696 pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)hwif->hwif_data;
1671 struct pci_dev *dev = to_pci_dev(hwif->dev); 1697 struct pci_dev *dev = to_pci_dev(hwif->dev);
1672 1698
1673 /* We won't need pci_dev if we switch to generic consistent 1699 /* We won't need pci_dev if we switch to generic consistent
1674 * DMA routines ... 1700 * DMA routines ...
1675 */ 1701 */
1676 if (dev == NULL) 1702 if (dev == NULL || pmif->dma_regs == 0)
1677 return -ENODEV; 1703 return -ENODEV;
1678 /* 1704 /*
1679 * Allocate space for the DBDMA commands. 1705 * Allocate space for the DBDMA commands.
@@ -1692,18 +1718,14 @@ static int __devinit pmac_ide_setup_dma(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif)
1692 1718
1693 hwif->sg_max_nents = MAX_DCMDS; 1719 hwif->sg_max_nents = MAX_DCMDS;
1694 1720
1695 hwif->dma_host_set = &pmac_ide_dma_host_set;
1696 hwif->dma_setup = &pmac_ide_dma_setup;
1697 hwif->dma_exec_cmd = &pmac_ide_dma_exec_cmd;
1698 hwif->dma_start = &pmac_ide_dma_start;
1699 hwif->ide_dma_end = &pmac_ide_dma_end;
1700 hwif->ide_dma_test_irq = &pmac_ide_dma_test_irq;
1701 hwif->dma_timeout = &ide_dma_timeout;
1702 hwif->dma_lost_irq = &pmac_ide_dma_lost_irq;
1703
1704 return 0; 1721 return 0;
1705} 1722}
1706 1723#else
1724static int __devinit pmac_ide_init_dma(ide_hwif_t *hwif,
1725 const struct ide_port_info *d)
1726{
1727 return -EOPNOTSUPP;
1728}
1707#endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */ 1729#endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */
1708 1730
1709module_init(pmac_ide_probe); 1731module_init(pmac_ide_probe);