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path: root/drivers/ide/ns87415.c
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Diffstat (limited to 'drivers/ide/ns87415.c')
-rw-r--r--drivers/ide/ns87415.c113
1 files changed, 57 insertions, 56 deletions
diff --git a/drivers/ide/ns87415.c b/drivers/ide/ns87415.c
index ea48a3ee806..71a39fb3856 100644
--- a/drivers/ide/ns87415.c
+++ b/drivers/ide/ns87415.c
@@ -61,57 +61,52 @@ static u8 superio_dma_sff_read_status(ide_hwif_t *hwif)
return superio_ide_inb(hwif->dma_base + ATA_DMA_STATUS);
}
-static void superio_tf_read(ide_drive_t *drive, ide_task_t *task)
+static void superio_tf_read(ide_drive_t *drive, struct ide_cmd *cmd)
{
struct ide_io_ports *io_ports = &drive->hwif->io_ports;
- struct ide_taskfile *tf = &task->tf;
-
- if (task->tf_flags & IDE_TFLAG_IN_DATA) {
- u16 data = inw(io_ports->data_addr);
-
- tf->data = data & 0xff;
- tf->hob_data = (data >> 8) & 0xff;
- }
+ struct ide_taskfile *tf = &cmd->tf;
/* be sure we're looking at the low order bits */
- outb(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr);
+ outb(ATA_DEVCTL_OBS, io_ports->ctl_addr);
- if (task->tf_flags & IDE_TFLAG_IN_FEATURE)
- tf->feature = inb(io_ports->feature_addr);
- if (task->tf_flags & IDE_TFLAG_IN_NSECT)
+ if (cmd->tf_flags & IDE_TFLAG_IN_ERROR)
+ tf->error = inb(io_ports->feature_addr);
+ if (cmd->tf_flags & IDE_TFLAG_IN_NSECT)
tf->nsect = inb(io_ports->nsect_addr);
- if (task->tf_flags & IDE_TFLAG_IN_LBAL)
+ if (cmd->tf_flags & IDE_TFLAG_IN_LBAL)
tf->lbal = inb(io_ports->lbal_addr);
- if (task->tf_flags & IDE_TFLAG_IN_LBAM)
+ if (cmd->tf_flags & IDE_TFLAG_IN_LBAM)
tf->lbam = inb(io_ports->lbam_addr);
- if (task->tf_flags & IDE_TFLAG_IN_LBAH)
+ if (cmd->tf_flags & IDE_TFLAG_IN_LBAH)
tf->lbah = inb(io_ports->lbah_addr);
- if (task->tf_flags & IDE_TFLAG_IN_DEVICE)
+ if (cmd->tf_flags & IDE_TFLAG_IN_DEVICE)
tf->device = superio_ide_inb(io_ports->device_addr);
- if (task->tf_flags & IDE_TFLAG_LBA48) {
- outb(ATA_DEVCTL_OBS | 0x80, io_ports->ctl_addr);
-
- if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE)
- tf->hob_feature = inb(io_ports->feature_addr);
- if (task->tf_flags & IDE_TFLAG_IN_HOB_NSECT)
- tf->hob_nsect = inb(io_ports->nsect_addr);
- if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAL)
- tf->hob_lbal = inb(io_ports->lbal_addr);
- if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAM)
- tf->hob_lbam = inb(io_ports->lbam_addr);
- if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAH)
- tf->hob_lbah = inb(io_ports->lbah_addr);
+ if (cmd->tf_flags & IDE_TFLAG_LBA48) {
+ outb(ATA_HOB | ATA_DEVCTL_OBS, io_ports->ctl_addr);
+
+ if (cmd->tf_flags & IDE_TFLAG_IN_HOB_ERROR)
+ tf->hob_error = inb(io_ports->feature_addr);
+ if (cmd->tf_flags & IDE_TFLAG_IN_HOB_NSECT)
+ tf->hob_nsect = inb(io_ports->nsect_addr);
+ if (cmd->tf_flags & IDE_TFLAG_IN_HOB_LBAL)
+ tf->hob_lbal = inb(io_ports->lbal_addr);
+ if (cmd->tf_flags & IDE_TFLAG_IN_HOB_LBAM)
+ tf->hob_lbam = inb(io_ports->lbam_addr);
+ if (cmd->tf_flags & IDE_TFLAG_IN_HOB_LBAH)
+ tf->hob_lbah = inb(io_ports->lbah_addr);
}
}
+static void ns87415_dev_select(ide_drive_t *drive);
+
static const struct ide_tp_ops superio_tp_ops = {
.exec_command = ide_exec_command,
.read_status = superio_read_status,
.read_altstatus = ide_read_altstatus,
+ .write_devctl = ide_write_devctl,
- .set_irq = ide_set_irq,
-
+ .dev_select = ns87415_dev_select,
.tf_load = ide_tf_load,
.tf_read = superio_tf_read,
@@ -190,10 +185,18 @@ static void ns87415_prepare_drive (ide_drive_t *drive, unsigned int use_dma)
local_irq_restore(flags);
}
-static void ns87415_selectproc (ide_drive_t *drive)
+static void ns87415_dev_select(ide_drive_t *drive)
{
ns87415_prepare_drive(drive,
!!(drive->dev_flags & IDE_DFLAG_USING_DMA));
+
+ outb(drive->select | ATA_DEVICE_OBS, drive->hwif->io_ports.device_addr);
+}
+
+static void ns87415_dma_start(ide_drive_t *drive)
+{
+ ns87415_prepare_drive(drive, 1);
+ ide_dma_start(drive);
}
static int ns87415_dma_end(ide_drive_t *drive)
@@ -201,7 +204,6 @@ static int ns87415_dma_end(ide_drive_t *drive)
ide_hwif_t *hwif = drive->hwif;
u8 dma_stat = 0, dma_cmd = 0;
- drive->waiting_for_dma = 0;
dma_stat = hwif->dma_ops->dma_sff_read_status(hwif);
/* get DMA command mode */
dma_cmd = inb(hwif->dma_base + ATA_DMA_CMD);
@@ -210,21 +212,11 @@ static int ns87415_dma_end(ide_drive_t *drive)
/* from ERRATA: clear the INTR & ERROR bits */
dma_cmd = inb(hwif->dma_base + ATA_DMA_CMD);
outb(dma_cmd | 6, hwif->dma_base + ATA_DMA_CMD);
- /* and free any DMA resources */
- ide_destroy_dmatable(drive);
- /* verify good DMA status */
- return (dma_stat & 7) != 4;
-}
-static int ns87415_dma_setup(ide_drive_t *drive)
-{
- /* select DMA xfer */
- ns87415_prepare_drive(drive, 1);
- if (!ide_dma_setup(drive))
- return 0;
- /* DMA failed: select PIO xfer */
ns87415_prepare_drive(drive, 0);
- return 1;
+
+ /* verify good DMA status */
+ return (dma_stat & 7) != 4;
}
static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif)
@@ -242,7 +234,7 @@ static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif)
* Also, leave IRQ masked during drive probing, to prevent infinite
* interrupts from a potentially floating INTA..
*
- * IRQs get unmasked in selectproc when drive is first used.
+ * IRQs get unmasked in dev_select() when drive is first used.
*/
(void) pci_read_config_dword(dev, 0x40, &ctrl);
(void) pci_read_config_byte(dev, 0x09, &progif);
@@ -270,7 +262,7 @@ static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif)
#ifdef __sparc_v9__
/*
* XXX: Reset the device, if we don't it will not respond to
- * SELECT_DRIVE() properly during first ide_probe_port().
+ * dev_select() properly during first ide_probe_port().
*/
timeout = 10000;
outb(12, hwif->io_ports.ctl_addr);
@@ -294,26 +286,35 @@ static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif)
outb(0x60, hwif->dma_base + ATA_DMA_STATUS);
}
-static const struct ide_port_ops ns87415_port_ops = {
- .selectproc = ns87415_selectproc,
+static const struct ide_tp_ops ns87415_tp_ops = {
+ .exec_command = ide_exec_command,
+ .read_status = ide_read_status,
+ .read_altstatus = ide_read_altstatus,
+ .write_devctl = ide_write_devctl,
+
+ .dev_select = ns87415_dev_select,
+ .tf_load = ide_tf_load,
+ .tf_read = ide_tf_read,
+
+ .input_data = ide_input_data,
+ .output_data = ide_output_data,
};
static const struct ide_dma_ops ns87415_dma_ops = {
.dma_host_set = ide_dma_host_set,
- .dma_setup = ns87415_dma_setup,
- .dma_exec_cmd = ide_dma_exec_cmd,
- .dma_start = ide_dma_start,
+ .dma_setup = ide_dma_setup,
+ .dma_start = ns87415_dma_start,
.dma_end = ns87415_dma_end,
.dma_test_irq = ide_dma_test_irq,
.dma_lost_irq = ide_dma_lost_irq,
- .dma_timeout = ide_dma_timeout,
+ .dma_timer_expiry = ide_dma_sff_timer_expiry,
.dma_sff_read_status = superio_dma_sff_read_status,
};
static const struct ide_port_info ns87415_chipset __devinitdata = {
.name = DRV_NAME,
.init_hwif = init_hwif_ns87415,
- .port_ops = &ns87415_port_ops,
+ .tp_ops = &ns87415_tp_ops,
.dma_ops = &ns87415_dma_ops,
.host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA |
IDE_HFLAG_NO_ATAPI_DMA,
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-08 19:45:23 +0000