diff options
| -rw-r--r-- | drivers/ide/cris/ide-cris.c | 14 | ||||
| -rw-r--r-- | drivers/ide/ide-io.c | 2 | ||||
| -rw-r--r-- | drivers/ide/ide-iops.c | 26 | ||||
| -rw-r--r-- | drivers/ide/ide-probe.c | 2 | ||||
| -rw-r--r-- | drivers/ide/ide-taskfile.c | 16 | ||||
| -rw-r--r-- | drivers/ide/legacy/falconide.c | 36 | ||||
| -rw-r--r-- | drivers/ide/legacy/q40ide.c | 34 | ||||
| -rw-r--r-- | include/linux/ide.h | 4 |
8 files changed, 98 insertions, 36 deletions
diff --git a/drivers/ide/cris/ide-cris.c b/drivers/ide/cris/ide-cris.c index 9df2685..aa263df 100644 --- a/drivers/ide/cris/ide-cris.c +++ b/drivers/ide/cris/ide-cris.c @@ -673,8 +673,10 @@ cris_ide_inb(unsigned long reg) return (unsigned char)cris_ide_inw(reg); } -static void cris_ide_input_data (ide_drive_t *drive, void *, unsigned int); -static void cris_ide_output_data (ide_drive_t *drive, void *, unsigned int); +static void cris_ide_input_data(ide_drive_t *, struct request *, + void *, unsigned int); +static void cris_ide_output_data(ide_drive_t *, struct request *, + void *, unsigned int); static void cris_atapi_input_bytes(ide_drive_t *drive, void *, unsigned int); static void cris_atapi_output_bytes(ide_drive_t *drive, void *, unsigned int); @@ -900,8 +902,8 @@ cris_atapi_output_bytes (ide_drive_t *drive, void *buffer, unsigned int bytecoun /* * This is used for most PIO data transfers *from* the IDE interface */ -static void -cris_ide_input_data (ide_drive_t *drive, void *buffer, unsigned int wcount) +static void cris_ide_input_data(ide_drive_t *drive, struct request *rq, + void *buffer, unsigned int wcount) { cris_atapi_input_bytes(drive, buffer, wcount << 2); } @@ -909,8 +911,8 @@ cris_ide_input_data (ide_drive_t *drive, void *buffer, unsigned int wcount) /* * This is used for most PIO data transfers *to* the IDE interface */ -static void -cris_ide_output_data (ide_drive_t *drive, void *buffer, unsigned int wcount) +static void cris_ide_output_data(ide_drive_t *drive, struct request *, + void *buffer, unsigned int wcount) { cris_atapi_output_bytes(drive, buffer, wcount << 2); } diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index 3a2d893..60078cf 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -422,7 +422,7 @@ static void try_to_flush_leftover_data (ide_drive_t *drive) u32 wcount = (i > 16) ? 16 : i; i -= wcount; - HWIF(drive)->ata_input_data(drive, buffer, wcount); + drive->hwif->ata_input_data(drive, NULL, buffer, wcount); } } diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index 5425d30..7ec7fa2 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -192,7 +192,8 @@ static void ata_vlb_sync(ide_drive_t *drive, unsigned long port) /* * This is used for most PIO data transfers *from* the IDE interface */ -static void ata_input_data(ide_drive_t *drive, void *buffer, u32 wcount) +static void ata_input_data(ide_drive_t *drive, struct request *rq, + void *buffer, u32 wcount) { ide_hwif_t *hwif = drive->hwif; struct ide_io_ports *io_ports = &hwif->io_ports; @@ -215,7 +216,8 @@ static void ata_input_data(ide_drive_t *drive, void *buffer, u32 wcount) /* * This is used for most PIO data transfers *to* the IDE interface */ -static void ata_output_data(ide_drive_t *drive, void *buffer, u32 wcount) +static void ata_output_data(ide_drive_t *drive, struct request *rq, + void *buffer, u32 wcount) { ide_hwif_t *hwif = drive->hwif; struct ide_io_ports *io_ports = &hwif->io_ports; @@ -248,14 +250,7 @@ static void atapi_input_bytes(ide_drive_t *drive, void *buffer, u32 bytecount) ide_hwif_t *hwif = HWIF(drive); ++bytecount; -#if defined(CONFIG_ATARI) || defined(CONFIG_Q40) - if (MACH_IS_ATARI || MACH_IS_Q40) { - /* Atari has a byte-swapped IDE interface */ - insw_swapw(hwif->io_ports.data_addr, buffer, bytecount / 2); - return; - } -#endif /* CONFIG_ATARI || CONFIG_Q40 */ - hwif->ata_input_data(drive, buffer, bytecount / 4); + hwif->ata_input_data(drive, NULL, buffer, bytecount / 4); if ((bytecount & 0x03) >= 2) hwif->INSW(hwif->io_ports.data_addr, (u8 *)buffer + (bytecount & ~0x03), 1); @@ -266,14 +261,7 @@ static void atapi_output_bytes(ide_drive_t *drive, void *buffer, u32 bytecount) ide_hwif_t *hwif = HWIF(drive); ++bytecount; -#if defined(CONFIG_ATARI) || defined(CONFIG_Q40) - if (MACH_IS_ATARI || MACH_IS_Q40) { - /* Atari has a byte-swapped IDE interface */ - outsw_swapw(hwif->io_ports.data_addr, buffer, bytecount / 2); - return; - } -#endif /* CONFIG_ATARI || CONFIG_Q40 */ - hwif->ata_output_data(drive, buffer, bytecount / 4); + hwif->ata_output_data(drive, NULL, buffer, bytecount / 4); if ((bytecount & 0x03) >= 2) hwif->OUTSW(hwif->io_ports.data_addr, (u8 *)buffer + (bytecount & ~0x03), 1); @@ -668,7 +656,7 @@ int ide_driveid_update(ide_drive_t *drive) local_irq_restore(flags); return 0; } - hwif->ata_input_data(drive, id, SECTOR_WORDS); + hwif->ata_input_data(drive, NULL, id, SECTOR_WORDS); (void)ide_read_status(drive); /* clear drive IRQ */ local_irq_enable(); local_irq_restore(flags); diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 862f026..e06a646 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -124,7 +124,7 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd) id = drive->id; /* read 512 bytes of id info */ - hwif->ata_input_data(drive, id, SECTOR_WORDS); + hwif->ata_input_data(drive, NULL, id, SECTOR_WORDS); drive->id_read = 1; local_irq_enable(); diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c index 9f9ad9f..7f6bfd31 100644 --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -283,7 +283,8 @@ static u8 wait_drive_not_busy(ide_drive_t *drive) return stat; } -static void ide_pio_sector(ide_drive_t *drive, unsigned int write) +static void ide_pio_sector(ide_drive_t *drive, struct request *rq, + unsigned int write) { ide_hwif_t *hwif = drive->hwif; struct scatterlist *sg = hwif->sg_table; @@ -323,9 +324,9 @@ static void ide_pio_sector(ide_drive_t *drive, unsigned int write) /* do the actual data transfer */ if (write) - hwif->ata_output_data(drive, buf, SECTOR_WORDS); + hwif->ata_output_data(drive, rq, buf, SECTOR_WORDS); else - hwif->ata_input_data(drive, buf, SECTOR_WORDS); + hwif->ata_input_data(drive, rq, buf, SECTOR_WORDS); kunmap_atomic(buf, KM_BIO_SRC_IRQ); #ifdef CONFIG_HIGHMEM @@ -333,13 +334,14 @@ static void ide_pio_sector(ide_drive_t *drive, unsigned int write) #endif } -static void ide_pio_multi(ide_drive_t *drive, unsigned int write) +static void ide_pio_multi(ide_drive_t *drive, struct request *rq, + unsigned int write) { unsigned int nsect; nsect = min_t(unsigned int, drive->hwif->nleft, drive->mult_count); while (nsect--) - ide_pio_sector(drive, write); + ide_pio_sector(drive, rq, write); } static void ide_pio_datablock(ide_drive_t *drive, struct request *rq, @@ -362,10 +364,10 @@ static void ide_pio_datablock(ide_drive_t *drive, struct request *rq, switch (drive->hwif->data_phase) { case TASKFILE_MULTI_IN: case TASKFILE_MULTI_OUT: - ide_pio_multi(drive, write); + ide_pio_multi(drive, rq, write); break; default: - ide_pio_sector(drive, write); + ide_pio_sector(drive, rq, write); break; } diff --git a/drivers/ide/legacy/falconide.c b/drivers/ide/legacy/falconide.c index 56cdaa0..32c044b 100644 --- a/drivers/ide/legacy/falconide.c +++ b/drivers/ide/legacy/falconide.c @@ -44,6 +44,36 @@ int falconide_intr_lock; EXPORT_SYMBOL(falconide_intr_lock); +static void falconide_atapi_input_bytes(ide_drive_t *drive, void *buf, + unsigned int len) +{ + insw_swapw(drive->hwif->io_ports.data_addr, buf, (len + 1) / 2); +} + +static void falconide_atapi_output_bytes(ide_drive_t *drive, void *buf, + unsigned int len) +{ + outsw_swapw(drive->hwif->io_ports.data_addr, buf, (len + 1) / 2); +} + +static void falconide_ata_input_data(ide_drive_t *drive, struct request *rq, + void *buf, unsigned int wcount) +{ + if (drive->media == ide_disk && rq && rq->cmd_type == REQ_TYPE_FS) + return insw(drive->hwif->io_ports.data_addr, buf, wcount * 2); + + falconide_atapi_input_bytes(drive, buf, wcount * 4); +} + +static void falconide_ata_output_data(ide_drive_t *drive, struct request *rq, + void *buf, unsigned int wcount) +{ + if (drive->media == ide_disk && rq && rq->cmd_type == REQ_TYPE_FS) + return outsw(drive->hwif->io_ports.data_addr, buf, wcount * 2); + + falconide_atapi_output_bytes(drive, buf, wcount * 4); +} + static void __init falconide_setup_ports(hw_regs_t *hw) { int i; @@ -90,6 +120,12 @@ static int __init falconide_init(void) ide_init_port_data(hwif, index); ide_init_port_hw(hwif, &hw); + /* Atari has a byte-swapped IDE interface */ + hwif->atapi_input_bytes = falconide_atapi_input_bytes; + hwif->atapi_output_bytes = falconide_atapi_output_bytes; + hwif->ata_input_data = falconide_ata_input_data; + hwif->ata_output_data = falconide_ata_output_data; + ide_get_lock(NULL, NULL); ide_device_add(idx, NULL); ide_release_lock(); diff --git a/drivers/ide/legacy/q40ide.c b/drivers/ide/legacy/q40ide.c index f921045..deae3d2 100644 --- a/drivers/ide/legacy/q40ide.c +++ b/drivers/ide/legacy/q40ide.c @@ -72,7 +72,35 @@ static void q40_ide_setup_ports(hw_regs_t *hw, unsigned long base, hw->ack_intr = ack_intr; } +static void q40ide_atapi_input_bytes(ide_drive_t *drive, void *buf, + unsigned int len) +{ + insw_swapw(drive->hwif->io_ports.data_addr, buf, (len + 1) / 2); +} +static void q40ide_atapi_output_bytes(ide_drive_t *drive, void *buf, + unsigned int len) +{ + outsw_swapw(drive->hwif->io_ports.data_addr, buf, (len + 1) / 2); +} + +static void q40ide_ata_input_data(ide_drive_t *drive, struct request *rq, + void *buf, unsigned int wcount) +{ + if (drive->media == ide_disk && rq && rq->cmd_type == REQ_TYPE_FS) + return insw(drive->hwif->io_ports.data_addr, buf, wcount * 2); + + q40ide_atapi_input_bytes(drive, buf, wcount * 4); +} + +static void q40ide_ata_output_data(ide_drive_t *drive, struct request *rq, + void *buf, unsigned int wcount) +{ + if (drive->media == ide_disk && rq && rq->cmd_type == REQ_TYPE_FS) + return outsw(drive->hwif->io_ports.data_addr, buf, wcount * 2); + + q40ide_atapi_output_bytes(drive, buf, wcount * 4); +} /* * the static array is needed to have the name reported in /proc/ioports, @@ -123,6 +151,12 @@ static int __init q40ide_init(void) ide_init_port_data(hwif, hwif->index); ide_init_port_hw(hwif, &hw); + /* Q40 has a byte-swapped IDE interface */ + hwif->atapi_input_bytes = q40ide_atapi_input_bytes; + hwif->atapi_output_bytes = q40ide_atapi_output_bytes; + hwif->ata_input_data = q40ide_ata_input_data; + hwif->ata_output_data = q40ide_ata_output_data; + idx[i] = hwif->index; } } diff --git a/include/linux/ide.h b/include/linux/ide.h index 32fd77b..0cbc46b 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -467,8 +467,8 @@ typedef struct hwif_s { const struct ide_port_ops *port_ops; const struct ide_dma_ops *dma_ops; - void (*ata_input_data)(ide_drive_t *, void *, u32); - void (*ata_output_data)(ide_drive_t *, void *, u32); + void (*ata_input_data)(ide_drive_t *, struct request *, void *, u32); + void (*ata_output_data)(ide_drive_t *, struct request *, void *, u32); void (*atapi_input_bytes)(ide_drive_t *, void *, u32); void (*atapi_output_bytes)(ide_drive_t *, void *, u32); |