diff options
Diffstat (limited to 'drivers/ide/ide.c')
-rw-r--r-- | drivers/ide/ide.c | 203 |
1 files changed, 37 insertions, 166 deletions
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 54943da6e4e5..97894abd9ebc 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -95,7 +95,7 @@ DEFINE_MUTEX(ide_cfg_mtx); __cacheline_aligned_in_smp DEFINE_SPINLOCK(ide_lock); #ifdef CONFIG_IDEPCI_PCIBUS_ORDER -static int ide_scan_direction; /* THIS was formerly 2.2.x pci=reverse */ +int ide_scan_direction; /* THIS was formerly 2.2.x pci=reverse */ #endif int noautodma = 0; @@ -116,7 +116,7 @@ EXPORT_SYMBOL(ide_hwifs); /* * Do not even *think* about calling this! */ -static void init_hwif_data(ide_hwif_t *hwif, unsigned int index) +void ide_init_port_data(ide_hwif_t *hwif, unsigned int index) { unsigned int unit; @@ -159,6 +159,7 @@ static void init_hwif_data(ide_hwif_t *hwif, unsigned int index) init_completion(&drive->gendev_rel_comp); } } +EXPORT_SYMBOL_GPL(ide_init_port_data); static void init_hwif_default(ide_hwif_t *hwif, unsigned int index) { @@ -177,8 +178,6 @@ static void init_hwif_default(ide_hwif_t *hwif, unsigned int index) #endif } -extern void ide_arm_init(void); - /* * init_ide_data() sets reasonable default values into all fields * of all instances of the hwifs and drives, but only on the first call. @@ -210,16 +209,13 @@ static void __init init_ide_data (void) /* Initialise all interface structures */ for (index = 0; index < MAX_HWIFS; ++index) { hwif = &ide_hwifs[index]; - init_hwif_data(hwif, index); + ide_init_port_data(hwif, index); init_hwif_default(hwif, index); #if !defined(CONFIG_PPC32) || !defined(CONFIG_PCI) hwif->irq = ide_init_default_irq(hwif->io_ports[IDE_DATA_OFFSET]); #endif } -#ifdef CONFIG_IDE_ARM - ide_arm_init(); -#endif } /** @@ -414,8 +410,6 @@ static void ide_hwif_restore(ide_hwif_t *hwif, ide_hwif_t *tmp_hwif) hwif->cds = tmp_hwif->cds; #endif - hwif->fixup = tmp_hwif->fixup; - hwif->set_pio_mode = tmp_hwif->set_pio_mode; hwif->set_dma_mode = tmp_hwif->set_dma_mode; hwif->mdma_filter = tmp_hwif->mdma_filter; @@ -424,7 +418,6 @@ static void ide_hwif_restore(ide_hwif_t *hwif, ide_hwif_t *tmp_hwif) hwif->reset_poll = tmp_hwif->reset_poll; hwif->pre_reset = tmp_hwif->pre_reset; hwif->resetproc = tmp_hwif->resetproc; - hwif->intrproc = tmp_hwif->intrproc; hwif->maskproc = tmp_hwif->maskproc; hwif->quirkproc = tmp_hwif->quirkproc; hwif->busproc = tmp_hwif->busproc; @@ -434,16 +427,13 @@ static void ide_hwif_restore(ide_hwif_t *hwif, ide_hwif_t *tmp_hwif) hwif->atapi_input_bytes = tmp_hwif->atapi_input_bytes; hwif->atapi_output_bytes = tmp_hwif->atapi_output_bytes; + hwif->dma_host_set = tmp_hwif->dma_host_set; hwif->dma_setup = tmp_hwif->dma_setup; hwif->dma_exec_cmd = tmp_hwif->dma_exec_cmd; hwif->dma_start = tmp_hwif->dma_start; hwif->ide_dma_end = tmp_hwif->ide_dma_end; - hwif->ide_dma_on = tmp_hwif->ide_dma_on; - hwif->dma_off_quietly = tmp_hwif->dma_off_quietly; hwif->ide_dma_test_irq = tmp_hwif->ide_dma_test_irq; hwif->ide_dma_clear_irq = tmp_hwif->ide_dma_clear_irq; - hwif->dma_host_on = tmp_hwif->dma_host_on; - hwif->dma_host_off = tmp_hwif->dma_host_off; hwif->dma_lost_irq = tmp_hwif->dma_lost_irq; hwif->dma_timeout = tmp_hwif->dma_timeout; @@ -468,7 +458,6 @@ static void ide_hwif_restore(ide_hwif_t *hwif, ide_hwif_t *tmp_hwif) #endif hwif->dma_base = tmp_hwif->dma_base; - hwif->dma_master = tmp_hwif->dma_master; hwif->dma_command = tmp_hwif->dma_command; hwif->dma_vendor1 = tmp_hwif->dma_vendor1; hwif->dma_status = tmp_hwif->dma_status; @@ -602,7 +591,6 @@ void ide_unregister(unsigned int index) (void) ide_release_dma(hwif); hwif->dma_base = 0; - hwif->dma_master = 0; hwif->dma_command = 0; hwif->dma_vendor1 = 0; hwif->dma_status = 0; @@ -617,7 +605,7 @@ void ide_unregister(unsigned int index) tmp_hwif = *hwif; /* restore hwif data to pristine status */ - init_hwif_data(hwif, index); + ide_init_port_data(hwif, index); init_hwif_default(hwif, index); ide_hwif_restore(hwif, &tmp_hwif); @@ -683,24 +671,34 @@ void ide_setup_ports ( hw_regs_t *hw, */ } +void ide_init_port_hw(ide_hwif_t *hwif, hw_regs_t *hw) +{ + memcpy(hwif->io_ports, hw->io_ports, sizeof(hwif->io_ports)); + hwif->irq = hw->irq; + hwif->noprobe = 0; + hwif->chipset = hw->chipset; + hwif->gendev.parent = hw->dev; + hwif->ack_intr = hw->ack_intr; +} +EXPORT_SYMBOL_GPL(ide_init_port_hw); + /** * ide_register_hw - register IDE interface * @hw: hardware registers - * @fixup: fixup function - * @initializing: set while initializing built-in drivers + * @quirkproc: quirkproc function * @hwifp: pointer to returned hwif * * Register an IDE interface, specifying exactly the registers etc. - * Set init=1 iff calling before probes have taken place. * * Returns -1 on error. */ -int ide_register_hw(hw_regs_t *hw, void (*fixup)(ide_hwif_t *), - int initializing, ide_hwif_t **hwifp) +int ide_register_hw(hw_regs_t *hw, void (*quirkproc)(ide_drive_t *), + ide_hwif_t **hwifp) { int index, retry = 1; ide_hwif_t *hwif; + u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; do { for (index = 0; index < MAX_HWIFS; ++index) { @@ -712,8 +710,7 @@ int ide_register_hw(hw_regs_t *hw, void (*fixup)(ide_hwif_t *), hwif = &ide_hwifs[index]; if (hwif->hold) continue; - if ((!hwif->present && !hwif->mate && !initializing) || - (!hwif->io_ports[IDE_DATA_OFFSET] && initializing)) + if (!hwif->present && hwif->mate == NULL) goto found; } for (index = 0; index < MAX_HWIFS; index++) @@ -724,29 +721,23 @@ found: if (hwif->present) ide_unregister(index); else if (!hwif->hold) { - init_hwif_data(hwif, index); + ide_init_port_data(hwif, index); init_hwif_default(hwif, index); } if (hwif->present) return -1; - memcpy(hwif->io_ports, hw->io_ports, sizeof(hwif->io_ports)); - hwif->irq = hw->irq; - hwif->noprobe = 0; - hwif->fixup = fixup; - hwif->chipset = hw->chipset; - hwif->gendev.parent = hw->dev; - hwif->ack_intr = hw->ack_intr; - if (initializing == 0) { - u8 idx[4] = { index, 0xff, 0xff, 0xff }; + ide_init_port_hw(hwif, hw); + hwif->quirkproc = quirkproc; - ide_device_add(idx); - } + idx[0] = index; + + ide_device_add(idx); if (hwifp) *hwifp = hwif; - return (initializing || hwif->present) ? index : -1; + return hwif->present ? index : -1; } EXPORT_SYMBOL(ide_register_hw); @@ -839,7 +830,7 @@ int set_using_dma(ide_drive_t *drive, int arg) if (!drive->id || !(drive->id->capability & 1)) goto out; - if (hwif->ide_dma_on == NULL) + if (hwif->dma_host_set == NULL) goto out; err = -EBUSY; @@ -854,8 +845,7 @@ int set_using_dma(ide_drive_t *drive, int arg) err = 0; if (arg) { - hwif->dma_off_quietly(drive); - if (ide_set_dma(drive) || hwif->ide_dma_on(drive)) + if (ide_set_dma(drive)) err = -EIO; } else ide_dma_off(drive); @@ -888,7 +878,10 @@ int set_pio_mode(ide_drive_t *drive, int arg) if (drive->special.b.set_tune) return -EBUSY; + ide_init_drive_cmd(&rq); + rq.cmd_type = REQ_TYPE_ATA_TASKFILE; + drive->tune_req = (u8) arg; drive->special.b.set_tune = 1; (void) ide_do_drive_cmd(drive, &rq, ide_wait); @@ -1070,7 +1063,7 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device ide_init_hwif_ports(&hw, (unsigned long) args[0], (unsigned long) args[1], NULL); hw.irq = args[2]; - if (ide_register_hw(&hw, NULL, 0, NULL) == -1) + if (ide_register_hw(&hw, NULL, NULL) == -1) return -EIO; return 0; } @@ -1231,26 +1224,12 @@ static int __init match_parm (char *s, const char *keywords[], int vals[], int m return 0; /* zero = nothing matched */ } -#ifdef CONFIG_BLK_DEV_ALI14XX extern int probe_ali14xx; -extern int ali14xx_init(void); -#endif -#ifdef CONFIG_BLK_DEV_UMC8672 extern int probe_umc8672; -extern int umc8672_init(void); -#endif -#ifdef CONFIG_BLK_DEV_DTC2278 extern int probe_dtc2278; -extern int dtc2278_init(void); -#endif -#ifdef CONFIG_BLK_DEV_HT6560B extern int probe_ht6560b; -extern int ht6560b_init(void); -#endif -#ifdef CONFIG_BLK_DEV_QD65XX extern int probe_qd65xx; -extern int qd65xx_init(void); -#endif +extern int cmd640_vlb; static int __initdata is_chipset_set[MAX_HWIFS]; @@ -1327,7 +1306,7 @@ static int __init ide_setup(char *s) if (s[0] == 'h' && s[1] == 'd' && s[2] >= 'a' && s[2] <= max_drive) { const char *hd_words[] = { "none", "noprobe", "nowerr", "cdrom", "nodma", - "autotune", "noautotune", "minus8", "swapdata", "bswap", + "autotune", "noautotune", "-8", "-9", "-10", "noflush", "remap", "remap63", "scsi", NULL }; unit = s[2] - 'a'; hw = unit / MAX_DRIVES; @@ -1363,10 +1342,6 @@ static int __init ide_setup(char *s) case -7: /* "noautotune" */ drive->autotune = IDE_TUNE_NOAUTO; goto obsolete_option; - case -9: /* "swapdata" */ - case -10: /* "bswap" */ - drive->bswap = 1; - goto done; case -11: /* noflush */ drive->noflush = 1; goto done; @@ -1466,11 +1441,8 @@ static int __init ide_setup(char *s) #endif #ifdef CONFIG_BLK_DEV_CMD640 case -14: /* "cmd640_vlb" */ - { - extern int cmd640_vlb; /* flag for cmd640.c */ cmd640_vlb = 1; goto done; - } #endif #ifdef CONFIG_BLK_DEV_HT6560B case -13: /* "ht6560b" */ @@ -1560,79 +1532,6 @@ done: return 1; } -extern void __init pnpide_init(void); -extern void __exit pnpide_exit(void); -extern void __init h8300_ide_init(void); - -/* - * probe_for_hwifs() finds/initializes "known" IDE interfaces - */ -static void __init probe_for_hwifs (void) -{ -#ifdef CONFIG_IDEPCI_PCIBUS_ORDER - ide_scan_pcibus(ide_scan_direction); -#endif - -#ifdef CONFIG_ETRAX_IDE - { - extern void init_e100_ide(void); - init_e100_ide(); - } -#endif /* CONFIG_ETRAX_IDE */ -#ifdef CONFIG_BLK_DEV_CMD640 - { - extern void ide_probe_for_cmd640x(void); - ide_probe_for_cmd640x(); - } -#endif /* CONFIG_BLK_DEV_CMD640 */ -#ifdef CONFIG_BLK_DEV_IDE_PMAC - { - extern int pmac_ide_probe(void); - (void)pmac_ide_probe(); - } -#endif /* CONFIG_BLK_DEV_IDE_PMAC */ -#ifdef CONFIG_BLK_DEV_GAYLE - { - extern void gayle_init(void); - gayle_init(); - } -#endif /* CONFIG_BLK_DEV_GAYLE */ -#ifdef CONFIG_BLK_DEV_FALCON_IDE - { - extern void falconide_init(void); - falconide_init(); - } -#endif /* CONFIG_BLK_DEV_FALCON_IDE */ -#ifdef CONFIG_BLK_DEV_MAC_IDE - { - extern void macide_init(void); - macide_init(); - } -#endif /* CONFIG_BLK_DEV_MAC_IDE */ -#ifdef CONFIG_BLK_DEV_Q40IDE - { - extern void q40ide_init(void); - q40ide_init(); - } -#endif /* CONFIG_BLK_DEV_Q40IDE */ -#ifdef CONFIG_BLK_DEV_BUDDHA - { - extern void buddha_init(void); - buddha_init(); - } -#endif /* CONFIG_BLK_DEV_BUDDHA */ -#ifdef CONFIG_BLK_DEV_IDEPNP - pnpide_init(); -#endif -#ifdef CONFIG_H8300 - h8300_ide_init(); -#endif -} - -/* - * Probe module - */ - EXPORT_SYMBOL(ide_lock); static int ide_bus_match(struct device *dev, struct device_driver *drv) @@ -1779,30 +1678,6 @@ static int __init ide_init(void) proc_ide_create(); -#ifdef CONFIG_BLK_DEV_ALI14XX - if (probe_ali14xx) - (void)ali14xx_init(); -#endif -#ifdef CONFIG_BLK_DEV_UMC8672 - if (probe_umc8672) - (void)umc8672_init(); -#endif -#ifdef CONFIG_BLK_DEV_DTC2278 - if (probe_dtc2278) - (void)dtc2278_init(); -#endif -#ifdef CONFIG_BLK_DEV_HT6560B - if (probe_ht6560b) - (void)ht6560b_init(); -#endif -#ifdef CONFIG_BLK_DEV_QD65XX - if (probe_qd65xx) - (void)qd65xx_init(); -#endif - - /* Probe for special PCI and other "known" interface chipsets. */ - probe_for_hwifs(); - return 0; } @@ -1838,10 +1713,6 @@ void __exit cleanup_module (void) for (index = 0; index < MAX_HWIFS; ++index) ide_unregister(index); -#ifdef CONFIG_BLK_DEV_IDEPNP - pnpide_exit(); -#endif - proc_ide_destroy(); bus_unregister(&ide_bus_type); |