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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.c79
1 files changed, 48 insertions, 31 deletions
diff --git a/drivers/ide/arm/icside.c b/drivers/ide/arm/icside.c
index e816b0ffcfe6..061456914ca3 100644
--- a/drivers/ide/arm/icside.c
+++ b/drivers/ide/arm/icside.c
@@ -191,6 +191,10 @@ static void icside_maskproc(ide_drive_t *drive, int mask)
local_irq_restore(flags);
}
+static const struct ide_port_ops icside_v6_no_dma_port_ops = {
+ .maskproc = icside_maskproc,
+};
+
#ifdef CONFIG_BLK_DEV_IDEDMA_ICS
/*
* SG-DMA support.
@@ -266,6 +270,11 @@ static void icside_set_dma_mode(ide_drive_t *drive, const u8 xfer_mode)
ide_xfer_verbose(xfer_mode), 2000 / drive->drive_data);
}
+static const struct ide_port_ops icside_v6_port_ops = {
+ .set_dma_mode = icside_set_dma_mode,
+ .maskproc = icside_maskproc,
+};
+
static void icside_dma_host_set(ide_drive_t *drive, int on)
{
}
@@ -375,48 +384,57 @@ static void icside_dma_lost_irq(ide_drive_t *drive)
printk(KERN_ERR "%s: IRQ lost\n", drive->name);
}
-static void icside_dma_init(ide_hwif_t *hwif)
+static int icside_dma_init(ide_hwif_t *hwif, const struct ide_port_info *d)
{
hwif->dmatable_cpu = NULL;
hwif->dmatable_dma = 0;
- hwif->set_dma_mode = icside_set_dma_mode;
-
- hwif->dma_host_set = icside_dma_host_set;
- hwif->dma_setup = icside_dma_setup;
- hwif->dma_exec_cmd = icside_dma_exec_cmd;
- hwif->dma_start = icside_dma_start;
- hwif->ide_dma_end = icside_dma_end;
- hwif->ide_dma_test_irq = icside_dma_test_irq;
- hwif->dma_timeout = icside_dma_timeout;
- hwif->dma_lost_irq = icside_dma_lost_irq;
+
+ return 0;
}
+
+static const struct ide_dma_ops icside_v6_dma_ops = {
+ .dma_host_set = icside_dma_host_set,
+ .dma_setup = icside_dma_setup,
+ .dma_exec_cmd = icside_dma_exec_cmd,
+ .dma_start = icside_dma_start,
+ .dma_end = icside_dma_end,
+ .dma_test_irq = icside_dma_test_irq,
+ .dma_timeout = icside_dma_timeout,
+ .dma_lost_irq = icside_dma_lost_irq,
+};
#else
-#define icside_dma_init(hwif) (0)
+#define icside_v6_dma_ops NULL
#endif
+static int icside_dma_off_init(ide_hwif_t *hwif, const struct ide_port_info *d)
+{
+ return -EOPNOTSUPP;
+}
+
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 = ide_find_port(port);
+ hwif = ide_find_port();
if (hwif) {
- int i;
-
/*
* Ensure we're using MMIO
*/
default_hwif_mmiops(hwif);
- hwif->mmio = 1;
- for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
- hwif->io_ports[i] = port;
- port += 1 << info->stepping;
- }
- hwif->io_ports[IDE_CONTROL_OFFSET] = (unsigned long)base + info->ctrloffset;
+ hwif->io_ports.data_addr = port;
+ hwif->io_ports.error_addr = port + (1 << info->stepping);
+ hwif->io_ports.nsect_addr = port + (2 << info->stepping);
+ hwif->io_ports.lbal_addr = port + (3 << info->stepping);
+ hwif->io_ports.lbam_addr = port + (4 << info->stepping);
+ hwif->io_ports.lbah_addr = port + (5 << info->stepping);
+ hwif->io_ports.device_addr = port + (6 << info->stepping);
+ hwif->io_ports.status_addr = port + (7 << info->stepping);
+ hwif->io_ports.ctl_addr =
+ (unsigned long)base + info->ctrloffset;
hwif->irq = ec->irq;
- hwif->noprobe = 0;
hwif->chipset = ide_acorn;
hwif->gendev.parent = &ec->dev;
hwif->dev = &ec->dev;
@@ -462,9 +480,10 @@ icside_register_v5(struct icside_state *state, struct expansion_card *ec)
}
static const struct ide_port_info icside_v6_port_info __initdata = {
- .host_flags = IDE_HFLAG_SERIALIZE |
- IDE_HFLAG_NO_DMA | /* no SFF-style DMA */
- IDE_HFLAG_NO_AUTOTUNE,
+ .init_dma = icside_dma_off_init,
+ .port_ops = &icside_v6_no_dma_port_ops,
+ .dma_ops = &icside_v6_dma_ops,
+ .host_flags = IDE_HFLAG_SERIALIZE | IDE_HFLAG_MMIO,
.mwdma_mask = ATA_MWDMA2,
.swdma_mask = ATA_SWDMA2,
};
@@ -526,21 +545,19 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
state->hwif[0] = hwif;
state->hwif[1] = mate;
- hwif->maskproc = icside_maskproc;
hwif->hwif_data = state;
hwif->config_data = (unsigned long)ioc_base;
hwif->select_data = sel;
- mate->maskproc = icside_maskproc;
mate->hwif_data = state;
mate->config_data = (unsigned long)ioc_base;
mate->select_data = sel | 1;
if (ec->dma != NO_DMA && !request_dma(ec->dma, hwif->name)) {
- icside_dma_init(hwif);
- icside_dma_init(mate);
- } else
- d.mwdma_mask = d.swdma_mask = 0;
+ d.init_dma = icside_dma_init;
+ d.port_ops = &icside_v6_port_ops;
+ d.dma_ops = NULL;
+ }
idx[0] = hwif->index;
idx[1] = mate->index;