X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fide%2Fide-iops.c;h=0daf923541ffbc50fe7a9e139e8f172d882b6c78;hb=97f8571e663c808ad2d01a396627235167291556;hp=7f2b4edc63699101a392924c9bc4c3a30ea30c8b;hpb=32b3fe4fff0974d823a0c0d17d7b25690ecd5fc8;p=linux-2.6 diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index 7f2b4edc63..0daf923541 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -37,11 +37,6 @@ static u8 ide_inb (unsigned long port) return (u8) inb(port); } -static u16 ide_inw (unsigned long port) -{ - return (u16) inw(port); -} - static void ide_outb (u8 val, unsigned long port) { outb(val, port); @@ -52,18 +47,11 @@ static void ide_outbsync (ide_drive_t *drive, u8 addr, unsigned long port) outb(addr, port); } -static void ide_outw (u16 val, unsigned long port) -{ - outw(val, port); -} - void default_hwif_iops (ide_hwif_t *hwif) { hwif->OUTB = ide_outb; hwif->OUTBSYNC = ide_outbsync; - hwif->OUTW = ide_outw; hwif->INB = ide_inb; - hwif->INW = ide_inw; } /* @@ -75,11 +63,6 @@ static u8 ide_mm_inb (unsigned long port) return (u8) readb((void __iomem *) port); } -static u16 ide_mm_inw (unsigned long port) -{ - return (u16) readw((void __iomem *) port); -} - static void ide_mm_outb (u8 value, unsigned long port) { writeb(value, (void __iomem *) port); @@ -90,20 +73,13 @@ static void ide_mm_outbsync (ide_drive_t *drive, u8 value, unsigned long port) writeb(value, (void __iomem *) port); } -static void ide_mm_outw (u16 value, unsigned long port) -{ - writew(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->OUTW = ide_mm_outw; hwif->INB = ide_mm_inb; - hwif->INW = ide_mm_inw; } EXPORT_SYMBOL(default_hwif_mmiops); @@ -119,7 +95,7 @@ void SELECT_DRIVE (ide_drive_t *drive) hwif->OUTB(drive->select.all, hwif->io_ports.device_addr); } -void SELECT_MASK (ide_drive_t *drive, int mask) +static void SELECT_MASK(ide_drive_t *drive, int mask) { const struct ide_port_ops *port_ops = drive->hwif->port_ops; @@ -127,6 +103,123 @@ 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) +{ + ide_hwif_t *hwif = drive->hwif; + struct ide_io_ports *io_ports = &hwif->io_ports; + struct ide_taskfile *tf = &task->tf; + void (*tf_outb)(u8 addr, unsigned long port); + u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0; + u8 HIHI = (task->tf_flags & IDE_TFLAG_LBA48) ? 0xE0 : 0xEF; + + if (mmio) + tf_outb = ide_mm_outb; + else + tf_outb = ide_outb; + + if (task->tf_flags & IDE_TFLAG_FLAGGED) + HIHI = 0xFF; + + ide_set_irq(drive, 1); + + if ((task->tf_flags & IDE_TFLAG_NO_SELECT_MASK) == 0) + SELECT_MASK(drive, 0); + + if (task->tf_flags & IDE_TFLAG_OUT_DATA) { + u16 data = (tf->hob_data << 8) | tf->data; + + if (mmio) + writew(data, (void __iomem *)io_ports->data_addr); + else + outw(data, io_ports->data_addr); + } + + if (task->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE) + tf_outb(tf->hob_feature, io_ports->feature_addr); + if (task->tf_flags & IDE_TFLAG_OUT_HOB_NSECT) + tf_outb(tf->hob_nsect, io_ports->nsect_addr); + if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAL) + tf_outb(tf->hob_lbal, io_ports->lbal_addr); + if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAM) + tf_outb(tf->hob_lbam, io_ports->lbam_addr); + if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAH) + tf_outb(tf->hob_lbah, io_ports->lbah_addr); + + if (task->tf_flags & IDE_TFLAG_OUT_FEATURE) + tf_outb(tf->feature, io_ports->feature_addr); + if (task->tf_flags & IDE_TFLAG_OUT_NSECT) + tf_outb(tf->nsect, io_ports->nsect_addr); + if (task->tf_flags & IDE_TFLAG_OUT_LBAL) + tf_outb(tf->lbal, io_ports->lbal_addr); + if (task->tf_flags & IDE_TFLAG_OUT_LBAM) + tf_outb(tf->lbam, io_ports->lbam_addr); + if (task->tf_flags & IDE_TFLAG_OUT_LBAH) + tf_outb(tf->lbah, io_ports->lbah_addr); + + if (task->tf_flags & IDE_TFLAG_OUT_DEVICE) + tf_outb((tf->device & HIHI) | drive->select.all, + io_ports->device_addr); +} + +static 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; + struct ide_taskfile *tf = &task->tf; + void (*tf_outb)(u8 addr, unsigned long port); + u8 (*tf_inb)(unsigned long port); + u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0; + + if (mmio) { + tf_outb = ide_mm_outb; + tf_inb = ide_mm_inb; + } else { + tf_outb = ide_outb; + tf_inb = ide_inb; + } + + if (task->tf_flags & IDE_TFLAG_IN_DATA) { + u16 data; + + if (mmio) + data = readw((void __iomem *)io_ports->data_addr); + else + data = inw(io_ports->data_addr); + + tf->data = data & 0xff; + tf->hob_data = (data >> 8) & 0xff; + } + + /* be sure we're looking at the low order bits */ + tf_outb(drive->ctl & ~0x80, io_ports->ctl_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) + tf->lbal = tf_inb(io_ports->lbal_addr); + if (task->tf_flags & IDE_TFLAG_IN_LBAM) + tf->lbam = tf_inb(io_ports->lbam_addr); + if (task->tf_flags & IDE_TFLAG_IN_LBAH) + tf->lbah = tf_inb(io_ports->lbah_addr); + if (task->tf_flags & IDE_TFLAG_IN_DEVICE) + tf->device = tf_inb(io_ports->device_addr); + + if (task->tf_flags & IDE_TFLAG_LBA48) { + tf_outb(drive->ctl | 0x80, io_ports->ctl_addr); + + if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE) + tf->hob_feature = tf_inb(io_ports->feature_addr); + if (task->tf_flags & IDE_TFLAG_IN_HOB_NSECT) + tf->hob_nsect = tf_inb(io_ports->nsect_addr); + if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAL) + tf->hob_lbal = tf_inb(io_ports->lbal_addr); + if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAM) + tf->hob_lbam = tf_inb(io_ports->lbam_addr); + if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAH) + tf->hob_lbah = tf_inb(io_ports->lbah_addr); + } +} + /* * Some localbus EIDE interfaces require a special access sequence * when using 32-bit I/O instructions to transfer data. We call this @@ -134,11 +227,11 @@ void SELECT_MASK (ide_drive_t *drive, int mask) * of the sector count register location, with interrupts disabled * to ensure that the reads all happen together. */ -static void ata_vlb_sync(ide_drive_t *drive, unsigned long port) +static void ata_vlb_sync(unsigned long port) { - (void) HWIF(drive)->INB(port); - (void) HWIF(drive)->INB(port); - (void) HWIF(drive)->INB(port); + (void)inb(port); + (void)inb(port); + (void)inb(port); } /* @@ -162,9 +255,9 @@ static void ata_input_data(ide_drive_t *drive, struct request *rq, if (io_32bit) { unsigned long uninitialized_var(flags); - if (io_32bit & 2) { + if ((io_32bit & 2) && !mmio) { local_irq_save(flags); - ata_vlb_sync(drive, io_ports->nsect_addr); + ata_vlb_sync(io_ports->nsect_addr); } if (mmio) @@ -172,7 +265,7 @@ static void ata_input_data(ide_drive_t *drive, struct request *rq, else insl(data_addr, buf, len / 4); - if (io_32bit & 2) + if ((io_32bit & 2) && !mmio) local_irq_restore(flags); if ((len & 3) >= 2) { @@ -205,9 +298,9 @@ static void ata_output_data(ide_drive_t *drive, struct request *rq, if (io_32bit) { unsigned long uninitialized_var(flags); - if (io_32bit & 2) { + if ((io_32bit & 2) && !mmio) { local_irq_save(flags); - ata_vlb_sync(drive, io_ports->nsect_addr); + ata_vlb_sync(io_ports->nsect_addr); } if (mmio) @@ -215,7 +308,7 @@ static void ata_output_data(ide_drive_t *drive, struct request *rq, else outsl(data_addr, buf, len / 4); - if (io_32bit & 2) + if ((io_32bit & 2) && !mmio) local_irq_restore(flags); if ((len & 3) >= 2) { @@ -235,6 +328,9 @@ static void ata_output_data(ide_drive_t *drive, struct request *rq, void default_hwif_transport(ide_hwif_t *hwif) { + hwif->tf_load = ide_tf_load; + hwif->tf_read = ide_tf_read; + hwif->input_data = ata_input_data; hwif->output_data = ata_output_data; } @@ -529,6 +625,8 @@ static const struct drive_list_entry ivb_list[] = { { "TSSTcorp CDDVDW SH-S202J" , "SB01" }, { "TSSTcorp CDDVDW SH-S202N" , "SB00" }, { "TSSTcorp CDDVDW SH-S202N" , "SB01" }, + { "TSSTcorp CDDVDW SH-S202H" , "SB00" }, + { "TSSTcorp CDDVDW SH-S202H" , "SB01" }, { NULL , NULL } }; @@ -801,9 +899,19 @@ void ide_execute_command(ide_drive_t *drive, u8 cmd, ide_handler_t *handler, ndelay(400); spin_unlock_irqrestore(&ide_lock, flags); } - EXPORT_SYMBOL(ide_execute_command); +void ide_execute_pkt_cmd(ide_drive_t *drive) +{ + ide_hwif_t *hwif = drive->hwif; + unsigned long flags; + + spin_lock_irqsave(&ide_lock, flags); + hwif->OUTBSYNC(drive, WIN_PACKETCMD, hwif->io_ports.command_addr); + ndelay(400); + spin_unlock_irqrestore(&ide_lock, flags); +} +EXPORT_SYMBOL_GPL(ide_execute_pkt_cmd); /* needed below */ static ide_startstop_t do_reset1 (ide_drive_t *, int);