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-rw-r--r--drivers/ata/pata_icside.c142
1 files changed, 86 insertions, 56 deletions
diff --git a/drivers/ata/pata_icside.c b/drivers/ata/pata_icside.c
index d323e75..c791a46 100644
--- a/drivers/ata/pata_icside.c
+++ b/drivers/ata/pata_icside.c
@@ -60,6 +60,18 @@ struct pata_icside_state {
struct scatterlist sg[PATA_ICSIDE_MAX_SG];
};
+struct pata_icside_info {
+ struct pata_icside_state *state;
+ struct expansion_card *ec;
+ void __iomem *base;
+ void __iomem *irqaddr;
+ unsigned int irqmask;
+ const expansioncard_ops_t *irqops;
+ unsigned int mwdma_mask;
+ unsigned int nr_ports;
+ const struct portinfo *port[2];
+};
+
#define ICS_TYPE_A3IN 0
#define ICS_TYPE_A3USER 1
#define ICS_TYPE_V6 3
@@ -269,9 +281,10 @@ static u8 pata_icside_bmdma_status(struct ata_port *ap)
return readb(irq_port) & 1 ? ATA_DMA_INTR : 0;
}
-static int icside_dma_init(struct ata_probe_ent *ae, struct expansion_card *ec)
+static int icside_dma_init(struct pata_icside_info *info)
{
- struct pata_icside_state *state = ae->private_data;
+ struct pata_icside_state *state = info->state;
+ struct expansion_card *ec = info->ec;
int i;
for (i = 0; i < ATA_MAX_DEVICES; i++) {
@@ -281,7 +294,7 @@ static int icside_dma_init(struct ata_probe_ent *ae, struct expansion_card *ec)
if (ec->dma != NO_DMA && !request_dma(ec->dma, DRV_NAME)) {
state->dma = ec->dma;
- ae->mwdma_mask = 0x07; /* MW0..2 */
+ info->mwdma_mask = 0x07; /* MW0..2 */
}
return 0;
@@ -371,6 +384,8 @@ static struct ata_port_operations pata_icside_port_ops = {
.check_status = ata_check_status,
.dev_select = ata_std_dev_select,
+ .cable_detect = ata_cable_40wire,
+
.bmdma_setup = pata_icside_bmdma_setup,
.bmdma_start = pata_icside_bmdma_start,
@@ -385,7 +400,6 @@ static struct ata_port_operations pata_icside_port_ops = {
.error_handler = ata_bmdma_error_handler,
.post_internal_cmd = pata_icside_bmdma_stop,
- .irq_handler = ata_interrupt,
.irq_clear = ata_dummy_noret,
.irq_on = ata_irq_on,
.irq_ack = pata_icside_irq_ack,
@@ -396,11 +410,10 @@ static struct ata_port_operations pata_icside_port_ops = {
.bmdma_status = pata_icside_bmdma_status,
};
-static void
-pata_icside_add_port(struct ata_probe_ent *ae, void __iomem *base,
- const struct portinfo *info)
+static void __devinit
+pata_icside_setup_ioaddr(struct ata_ioports *ioaddr, void __iomem *base,
+ const struct portinfo *info)
{
- struct ata_ioports *ioaddr = &ae->port[ae->n_ports++];
void __iomem *cmd = base + info->dataoffset;
ioaddr->cmd_addr = cmd;
@@ -419,10 +432,9 @@ pata_icside_add_port(struct ata_probe_ent *ae, void __iomem *base,
ioaddr->altstatus_addr = ioaddr->ctl_addr;
}
-static int __init
-pata_icside_register_v5(struct ata_probe_ent *ae, struct expansion_card *ec)
+static int __devinit pata_icside_register_v5(struct pata_icside_info *info)
{
- struct pata_icside_state *state = ae->private_data;
+ struct pata_icside_state *state = info->state;
void __iomem *base;
base = ecardm_iomap(info->ec, ECARD_RES_MEMC, 0, 0);
@@ -431,25 +443,20 @@ pata_icside_register_v5(struct ata_probe_ent *ae, struct expansion_card *ec)
state->irq_port = base;
- ec->irqaddr = base + ICS_ARCIN_V5_INTRSTAT;
- ec->irqmask = 1;
-
- ecard_setirq(ec, &pata_icside_ops_arcin_v5, state);
-
- /*
- * Be on the safe side - disable interrupts
- */
- ec->ops->irqdisable(ec, ec->irq);
-
- pata_icside_add_port(ae, base, &pata_icside_portinfo_v5);
+ info->base = base;
+ info->irqaddr = base + ICS_ARCIN_V5_INTRSTAT;
+ info->irqmask = 1;
+ info->irqops = &pata_icside_ops_arcin_v5;
+ info->nr_ports = 1;
+ info->port[0] = &pata_icside_portinfo_v5;
return 0;
}
-static int __init
-pata_icside_register_v6(struct ata_probe_ent *ae, struct expansion_card *ec)
+static int __devinit pata_icside_register_v6(struct pata_icside_info *info)
{
- struct pata_icside_state *state = ae->private_data;
+ struct pata_icside_state *state = info->state;
+ struct expansion_card *ec = info->ec;
void __iomem *ioc_base, *easi_base;
unsigned int sel = 0;
@@ -472,40 +479,72 @@ pata_icside_register_v6(struct ata_probe_ent *ae, struct expansion_card *ec)
writeb(sel, ioc_base);
- ecard_setirq(ec, &pata_icside_ops_arcin_v6, state);
-
state->irq_port = easi_base;
state->ioc_base = ioc_base;
state->port[0].port_sel = sel;
state->port[1].port_sel = sel | 1;
/*
- * Be on the safe side - disable interrupts
- */
- ec->ops->irqdisable(ec, ec->irq);
-
- /*
- * Find and register the interfaces.
- */
- pata_icside_add_port(ae, easi_base, &pata_icside_portinfo_v6_1);
- pata_icside_add_port(ae, easi_base, &pata_icside_portinfo_v6_2);
-
- /*
* FIXME: work around libata's aversion to calling port_disable.
* This permanently disables interrupts on port 0 - bad luck if
* you have a drive on that port.
*/
state->port[0].disabled = 1;
- return icside_dma_init(ae, ec);
+ info->base = easi_base;
+ info->irqops = &pata_icside_ops_arcin_v6;
+ info->nr_ports = 2;
+ info->port[0] = &pata_icside_portinfo_v6_1;
+ info->port[1] = &pata_icside_portinfo_v6_2;
+
+ return icside_dma_init(info);
+}
+
+static int __devinit pata_icside_add_ports(struct pata_icside_info *info)
+{
+ struct expansion_card *ec = info->ec;
+ struct ata_host *host;
+ int i;
+
+ if (info->irqaddr) {
+ ec->irqaddr = info->irqaddr;
+ ec->irqmask = info->irqmask;
+ }
+ if (info->irqops)
+ ecard_setirq(ec, info->irqops, info->state);
+
+ /*
+ * Be on the safe side - disable interrupts
+ */
+ ec->ops->irqdisable(ec, ec->irq);
+
+ host = ata_host_alloc(&ec->dev, info->nr_ports);
+ if (!host)
+ return -ENOMEM;
+
+ host->private_data = info->state;
+ host->flags = ATA_HOST_SIMPLEX;
+
+ for (i = 0; i < info->nr_ports; i++) {
+ struct ata_port *ap = host->ports[i];
+
+ ap->pio_mask = 0x1f;
+ ap->mwdma_mask = info->mwdma_mask;
+ ap->flags |= ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST;
+ ap->ops = &pata_icside_port_ops;
+
+ pata_icside_setup_ioaddr(&ap->ioaddr, info->base, info->port[i]);
+ }
+ return ata_host_activate(host, ec->irq, ata_interrupt, 0,
+ &pata_icside_sht);
}
static int __devinit
pata_icside_probe(struct expansion_card *ec, const struct ecard_id *id)
{
struct pata_icside_state *state;
- struct ata_probe_ent ae;
+ struct pata_icside_info info;
void __iomem *idmem;
int ret;
@@ -513,7 +552,7 @@ pata_icside_probe(struct expansion_card *ec, const struct ecard_id *id)
if (ret)
goto out;
- state = kzalloc(sizeof(struct pata_icside_state), GFP_KERNEL);
+ state = devm_kzalloc(&ec->dev, sizeof(*state), GFP_KERNEL);
if (!state) {
ret = -ENOMEM;
goto release;
@@ -535,16 +574,9 @@ pata_icside_probe(struct expansion_card *ec, const struct ecard_id *id)
state->type = type;
}
- memset(&ae, 0, sizeof(ae));
- INIT_LIST_HEAD(&ae.node);
- ae.dev = &ec->dev;
- ae.port_ops = &pata_icside_port_ops;
- ae.sht = &pata_icside_sht;
- ae.pio_mask = 0x1f;
- ae.irq = ec->irq;
- ae.port_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST;
- ae._host_flags = ATA_HOST_SIMPLEX;
- ae.private_data = state;
+ memset(&info, 0, sizeof(info));
+ info.state = state;
+ info.ec = ec;
switch (state->type) {
case ICS_TYPE_A3IN:
@@ -558,11 +590,11 @@ pata_icside_probe(struct expansion_card *ec, const struct ecard_id *id)
break;
case ICS_TYPE_V5:
- ret = pata_icside_register_v5(&ae, ec);
+ ret = pata_icside_register_v5(&info);
break;
case ICS_TYPE_V6:
- ret = pata_icside_register_v6(&ae, ec);
+ ret = pata_icside_register_v6(&info);
break;
default:
@@ -572,12 +604,11 @@ pata_icside_probe(struct expansion_card *ec, const struct ecard_id *id)
}
if (ret == 0)
- ret = ata_device_add(&ae) == 0 ? -ENODEV : 0;
+ ret = pata_icside_add_ports(&info);
if (ret == 0)
goto out;
- kfree(state);
release:
ecard_release_resources(ec);
out:
@@ -626,7 +657,6 @@ static void __devexit pata_icside_remove(struct expansion_card *ec)
if (state->dma != NO_DMA)
free_dma(state->dma);
- kfree(state);
ecard_release_resources(ec);
}
generated by cgit v1.1 at 2024-10-31 00:45:55 +0000