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path: root/drivers/ide/arm/icside.c
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Diffstat (limited to 'drivers/ide/arm/icside.c')
-rw-r--r--drivers/ide/arm/icside.c80
1 files changed, 18 insertions, 62 deletions
diff --git a/drivers/ide/arm/icside.c b/drivers/ide/arm/icside.c
index bd1f5b67037..93f71fcfc04 100644
--- a/drivers/ide/arm/icside.c
+++ b/drivers/ide/arm/icside.c
@@ -309,14 +309,6 @@ static int icside_dma_on(ide_drive_t *drive)
return 0;
}
-static int icside_dma_check(ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- return -1;
-}
-
static int icside_dma_end(ide_drive_t *drive)
{
ide_hwif_t *hwif = HWIF(drive);
@@ -324,27 +316,29 @@ static int icside_dma_end(ide_drive_t *drive)
drive->waiting_for_dma = 0;
- disable_dma(hwif->hw.dma);
+ disable_dma(ECARD_DEV(state->dev)->dma);
/* Teardown mappings after DMA has completed. */
dma_unmap_sg(state->dev, hwif->sg_table, hwif->sg_nents,
hwif->sg_dma_direction);
- return get_dma_residue(hwif->hw.dma) != 0;
+ return get_dma_residue(ECARD_DEV(state->dev)->dma) != 0;
}
static void icside_dma_start(ide_drive_t *drive)
{
ide_hwif_t *hwif = HWIF(drive);
+ struct icside_state *state = hwif->hwif_data;
/* We can not enable DMA on both channels simultaneously. */
- BUG_ON(dma_channel_active(hwif->hw.dma));
- enable_dma(hwif->hw.dma);
+ BUG_ON(dma_channel_active(ECARD_DEV(state->dev)->dma));
+ enable_dma(ECARD_DEV(state->dev)->dma);
}
static int icside_dma_setup(ide_drive_t *drive)
{
ide_hwif_t *hwif = HWIF(drive);
+ struct icside_state *state = hwif->hwif_data;
struct request *rq = hwif->hwgroup->rq;
unsigned int dma_mode;
@@ -356,7 +350,7 @@ static int icside_dma_setup(ide_drive_t *drive)
/*
* We can not enable DMA on both channels.
*/
- BUG_ON(dma_channel_active(hwif->hw.dma));
+ BUG_ON(dma_channel_active(ECARD_DEV(state->dev)->dma));
icside_build_sglist(drive, rq);
@@ -373,14 +367,14 @@ static int icside_dma_setup(ide_drive_t *drive)
/*
* Select the correct timing for this drive.
*/
- set_dma_speed(hwif->hw.dma, drive->drive_data);
+ set_dma_speed(ECARD_DEV(state->dev)->dma, drive->drive_data);
/*
* Tell the DMA engine about the SG table and
* data direction.
*/
- set_dma_sg(hwif->hw.dma, hwif->sg_table, hwif->sg_nents);
- set_dma_mode(hwif->hw.dma, dma_mode);
+ set_dma_sg(ECARD_DEV(state->dev)->dma, hwif->sg_table, hwif->sg_nents);
+ set_dma_mode(ECARD_DEV(state->dev)->dma, dma_mode);
drive->waiting_for_dma = 1;
@@ -423,18 +417,13 @@ static void icside_dma_lost_irq(ide_drive_t *drive)
static void icside_dma_init(ide_hwif_t *hwif)
{
- printk(" %s: SG-DMA", hwif->name);
-
- hwif->atapi_dma = 1;
hwif->mwdma_mask = 7; /* MW0..2 */
hwif->swdma_mask = 7; /* SW0..2 */
hwif->dmatable_cpu = NULL;
hwif->dmatable_dma = 0;
hwif->set_dma_mode = icside_set_dma_mode;
- hwif->autodma = 1;
- hwif->ide_dma_check = icside_dma_check;
hwif->dma_host_off = icside_dma_host_off;
hwif->dma_off_quietly = icside_dma_off_quietly;
hwif->dma_host_on = icside_dma_host_on;
@@ -446,50 +435,21 @@ static void icside_dma_init(ide_hwif_t *hwif)
hwif->ide_dma_test_irq = icside_dma_test_irq;
hwif->dma_timeout = icside_dma_timeout;
hwif->dma_lost_irq = icside_dma_lost_irq;
-
- hwif->drives[0].autodma = hwif->autodma;
- hwif->drives[1].autodma = hwif->autodma;
-
- printk(" capable%s\n", hwif->autodma ? ", auto-enable" : "");
}
#else
#define icside_dma_init(hwif) (0)
#endif
-static ide_hwif_t *icside_find_hwif(unsigned long dataport)
-{
- ide_hwif_t *hwif;
- int index;
-
- for (index = 0; index < MAX_HWIFS; ++index) {
- hwif = &ide_hwifs[index];
- if (hwif->io_ports[IDE_DATA_OFFSET] == dataport)
- goto found;
- }
-
- for (index = 0; index < MAX_HWIFS; ++index) {
- hwif = &ide_hwifs[index];
- if (!hwif->io_ports[IDE_DATA_OFFSET])
- goto found;
- }
-
- hwif = NULL;
-found:
- return hwif;
-}
-
static ide_hwif_t *
icside_setup(void __iomem *base, struct cardinfo *info, struct expansion_card *ec)
{
unsigned long port = (unsigned long)base + info->dataoffset;
ide_hwif_t *hwif;
- hwif = icside_find_hwif(port);
+ hwif = ide_find_port(port);
if (hwif) {
int i;
- memset(&hwif->hw, 0, sizeof(hw_regs_t));
-
/*
* Ensure we're using MMIO
*/
@@ -497,13 +457,10 @@ icside_setup(void __iomem *base, struct cardinfo *info, struct expansion_card *e
hwif->mmio = 1;
for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
- hwif->hw.io_ports[i] = port;
hwif->io_ports[i] = port;
port += 1 << info->stepping;
}
- hwif->hw.io_ports[IDE_CONTROL_OFFSET] = (unsigned long)base + info->ctrloffset;
hwif->io_ports[IDE_CONTROL_OFFSET] = (unsigned long)base + info->ctrloffset;
- hwif->hw.irq = ec->irq;
hwif->irq = ec->irq;
hwif->noprobe = 0;
hwif->chipset = ide_acorn;
@@ -518,6 +475,7 @@ icside_register_v5(struct icside_state *state, struct expansion_card *ec)
{
ide_hwif_t *hwif;
void __iomem *base;
+ u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0);
if (!base)
@@ -541,9 +499,9 @@ icside_register_v5(struct icside_state *state, struct expansion_card *ec)
state->hwif[0] = hwif;
- probe_hwif_init(hwif);
+ idx[0] = hwif->index;
- ide_proc_register_port(hwif);
+ ide_device_add(idx);
return 0;
}
@@ -555,6 +513,7 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
void __iomem *ioc_base, *easi_base;
unsigned int sel = 0;
int ret;
+ u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
ioc_base = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0);
if (!ioc_base) {
@@ -610,7 +569,6 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
hwif->serialized = 1;
hwif->config_data = (unsigned long)ioc_base;
hwif->select_data = sel;
- hwif->hw.dma = ec->dma;
mate->maskproc = icside_maskproc;
mate->channel = 1;
@@ -619,18 +577,16 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
mate->serialized = 1;
mate->config_data = (unsigned long)ioc_base;
mate->select_data = sel | 1;
- mate->hw.dma = ec->dma;
if (ec->dma != NO_DMA && !request_dma(ec->dma, hwif->name)) {
icside_dma_init(hwif);
icside_dma_init(mate);
}
- probe_hwif_init(hwif);
- probe_hwif_init(mate);
+ idx[0] = hwif->index;
+ idx[1] = mate->index;
- ide_proc_register_port(hwif);
- ide_proc_register_port(mate);
+ ide_device_add(idx);
return 0;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-08 15:58:22 +0000