#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
-#include <linux/sched.h>
#include <linux/device.h>
#include <scsi/scsi.h>
#include <scsi/scsi_host.h>
#include "sata_promise.h"
#define DRV_NAME "sata_promise"
-#define DRV_VERSION "1.05"
+#define DRV_VERSION "2.03"
enum {
static void pdc_sata_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val);
static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *ent);
static irqreturn_t pdc_interrupt (int irq, void *dev_instance);
-static void pdc_eng_timeout(struct ata_port *ap);
static int pdc_port_start(struct ata_port *ap);
-static void pdc_pata_phy_reset(struct ata_port *ap);
static void pdc_qc_prep(struct ata_queued_cmd *qc);
static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
static int pdc_check_atapi_dma(struct ata_queued_cmd *qc);
-static int pdc_old_check_atapi_dma(struct ata_queued_cmd *qc);
+static int pdc_old_sata_check_atapi_dma(struct ata_queued_cmd *qc);
static void pdc_irq_clear(struct ata_port *ap);
static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc);
static void pdc_freeze(struct ata_port *ap);
static void pdc_thaw(struct ata_port *ap);
-static void pdc_error_handler(struct ata_port *ap);
+static void pdc_pata_error_handler(struct ata_port *ap);
+static void pdc_sata_error_handler(struct ata_port *ap);
static void pdc_post_internal_cmd(struct ata_queued_cmd *qc);
-
+static int pdc_pata_cable_detect(struct ata_port *ap);
+static int pdc_sata_cable_detect(struct ata_port *ap);
static struct scsi_host_template pdc_ata_sht = {
.module = THIS_MODULE,
.qc_issue = pdc_qc_issue_prot,
.freeze = pdc_freeze,
.thaw = pdc_thaw,
- .error_handler = pdc_error_handler,
+ .error_handler = pdc_sata_error_handler,
.post_internal_cmd = pdc_post_internal_cmd,
+ .cable_detect = pdc_sata_cable_detect,
.data_xfer = ata_data_xfer,
.irq_handler = pdc_interrupt,
.irq_clear = pdc_irq_clear,
+ .irq_on = ata_irq_on,
+ .irq_ack = ata_irq_ack,
.scr_read = pdc_sata_scr_read,
.scr_write = pdc_sata_scr_write,
.check_status = ata_check_status,
.exec_command = pdc_exec_command_mmio,
.dev_select = ata_std_dev_select,
- .check_atapi_dma = pdc_old_check_atapi_dma,
+ .check_atapi_dma = pdc_old_sata_check_atapi_dma,
.qc_prep = pdc_qc_prep,
.qc_issue = pdc_qc_issue_prot,
.freeze = pdc_freeze,
.thaw = pdc_thaw,
- .error_handler = pdc_error_handler,
+ .error_handler = pdc_sata_error_handler,
.post_internal_cmd = pdc_post_internal_cmd,
+ .cable_detect = pdc_sata_cable_detect,
.data_xfer = ata_data_xfer,
.irq_handler = pdc_interrupt,
.irq_clear = pdc_irq_clear,
+ .irq_on = ata_irq_on,
+ .irq_ack = ata_irq_ack,
.scr_read = pdc_sata_scr_read,
.scr_write = pdc_sata_scr_write,
.dev_select = ata_std_dev_select,
.check_atapi_dma = pdc_check_atapi_dma,
- .phy_reset = pdc_pata_phy_reset,
-
.qc_prep = pdc_qc_prep,
.qc_issue = pdc_qc_issue_prot,
+ .freeze = pdc_freeze,
+ .thaw = pdc_thaw,
+ .error_handler = pdc_pata_error_handler,
+ .post_internal_cmd = pdc_post_internal_cmd,
+ .cable_detect = pdc_pata_cable_detect,
.data_xfer = ata_data_xfer,
- .eng_timeout = pdc_eng_timeout,
.irq_handler = pdc_interrupt,
.irq_clear = pdc_irq_clear,
+ .irq_on = ata_irq_on,
+ .irq_ack = ata_irq_ack,
.port_start = pdc_port_start,
};
/* board_20619 */
{
.sht = &pdc_ata_sht,
- .flags = PDC_COMMON_FLAGS | ATA_FLAG_SRST | ATA_FLAG_SLAVE_POSS,
+ .flags = PDC_COMMON_FLAGS | ATA_FLAG_SLAVE_POSS,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = 0x7f, /* udma0-6 ; FIXME */
};
-static int pdc_port_start(struct ata_port *ap)
+static int pdc_common_port_start(struct ata_port *ap)
{
struct device *dev = ap->host->dev;
- struct pdc_host_priv *hp = ap->host->private_data;
struct pdc_port_priv *pp;
int rc;
- /* fix up port flags and cable type for SATA+PATA chips */
- ap->flags |= hp->port_flags[ap->port_no];
- if (ap->flags & ATA_FLAG_SATA)
- ap->cbl = ATA_CBL_SATA;
-
rc = ata_port_start(ap);
if (rc)
return rc;
ap->private_data = pp;
+ return 0;
+}
+
+static int pdc_sata_port_start(struct ata_port *ap)
+{
+ struct pdc_host_priv *hp = ap->host->private_data;
+ int rc;
+
+ rc = pdc_common_port_start(ap);
+ if (rc)
+ return rc;
+
/* fix up PHYMODE4 align timing */
- if ((hp->flags & PDC_FLAG_GEN_II) && sata_scr_valid(ap)) {
+ if (hp->flags & PDC_FLAG_GEN_II) {
void __iomem *mmio = (void __iomem *) ap->ioaddr.scr_addr;
unsigned int tmp;
return 0;
}
+static int pdc_port_start(struct ata_port *ap)
+{
+ struct pdc_host_priv *hp = ap->host->private_data;
+
+ /* fix up port flags and cable type for SATA+PATA chips */
+ ap->flags |= hp->port_flags[ap->port_no];
+ if (ap->flags & ATA_FLAG_SATA) {
+ ap->cbl = ATA_CBL_SATA;
+ return pdc_sata_port_start(ap);
+ } else {
+ ap->ops = &pdc_pata_ops;
+ return pdc_common_port_start(ap);
+ }
+}
+
static void pdc_reset_port(struct ata_port *ap)
{
void __iomem *mmio = ap->ioaddr.cmd_addr + PDC_CTLSTAT;
readl(mmio); /* flush */
}
-static void pdc_pata_cbl_detect(struct ata_port *ap)
+static int pdc_pata_cable_detect(struct ata_port *ap)
{
u8 tmp;
void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_CTLSTAT + 0x03;
tmp = readb(mmio);
-
- if (tmp & 0x01) {
- ap->cbl = ATA_CBL_PATA40;
- ap->udma_mask &= ATA_UDMA_MASK_40C;
- } else
- ap->cbl = ATA_CBL_PATA80;
+ if (tmp & 0x01)
+ return ATA_CBL_PATA40;
+ return ATA_CBL_PATA80;
}
-static void pdc_pata_phy_reset(struct ata_port *ap)
+static int pdc_sata_cable_detect(struct ata_port *ap)
{
- pdc_pata_cbl_detect(ap);
- pdc_reset_port(ap);
- ata_port_probe(ap);
- ata_bus_reset(ap);
+ return ATA_CBL_SATA;
}
static u32 pdc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg)
{
- if (sc_reg > SCR_CONTROL || ap->cbl != ATA_CBL_SATA)
+ if (sc_reg > SCR_CONTROL)
return 0xffffffffU;
return readl(ap->ioaddr.scr_addr + (sc_reg * 4));
}
static void pdc_sata_scr_write (struct ata_port *ap, unsigned int sc_reg,
u32 val)
{
- if (sc_reg > SCR_CONTROL || ap->cbl != ATA_CBL_SATA)
+ if (sc_reg > SCR_CONTROL)
return;
writel(val, ap->ioaddr.scr_addr + (sc_reg * 4));
}
readl(mmio + PDC_CTLSTAT); /* flush */
}
-static void pdc_error_handler(struct ata_port *ap)
+static void pdc_common_error_handler(struct ata_port *ap, ata_reset_fn_t hardreset)
{
- ata_reset_fn_t hardreset;
-
if (!(ap->pflags & ATA_PFLAG_FROZEN))
pdc_reset_port(ap);
- hardreset = NULL;
- if (sata_scr_valid(ap))
- hardreset = sata_std_hardreset;
-
/* perform recovery */
ata_do_eh(ap, ata_std_prereset, ata_std_softreset, hardreset,
ata_std_postreset);
}
+static void pdc_pata_error_handler(struct ata_port *ap)
+{
+ pdc_common_error_handler(ap, NULL);
+}
+
+static void pdc_sata_error_handler(struct ata_port *ap)
+{
+ pdc_common_error_handler(ap, sata_std_hardreset);
+}
+
static void pdc_post_internal_cmd(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
pdc_reset_port(ap);
}
-static void pdc_eng_timeout(struct ata_port *ap)
-{
- struct ata_host *host = ap->host;
- u8 drv_stat;
- struct ata_queued_cmd *qc;
- unsigned long flags;
-
- DPRINTK("ENTER\n");
-
- spin_lock_irqsave(&host->lock, flags);
-
- qc = ata_qc_from_tag(ap, ap->active_tag);
-
- switch (qc->tf.protocol) {
- case ATA_PROT_DMA:
- case ATA_PROT_NODATA:
- ata_port_printk(ap, KERN_ERR, "command timeout\n");
- drv_stat = ata_wait_idle(ap);
- qc->err_mask |= __ac_err_mask(drv_stat);
- break;
-
- default:
- drv_stat = ata_busy_wait(ap, ATA_BUSY | ATA_DRQ, 1000);
-
- ata_port_printk(ap, KERN_ERR,
- "unknown timeout, cmd 0x%x stat 0x%x\n",
- qc->tf.command, drv_stat);
-
- qc->err_mask |= ac_err_mask(drv_stat);
- break;
- }
-
- spin_unlock_irqrestore(&host->lock, flags);
- ata_eh_qc_complete(qc);
- DPRINTK("EXIT\n");
-}
-
static inline unsigned int pdc_host_intr( struct ata_port *ap,
struct ata_queued_cmd *qc)
{
return pio;
}
-static int pdc_old_check_atapi_dma(struct ata_queued_cmd *qc)
+static int pdc_old_sata_check_atapi_dma(struct ata_queued_cmd *qc)
{
- struct ata_port *ap = qc->ap;
-
/* First generation chips cannot use ATAPI DMA on SATA ports */
- if (sata_scr_valid(ap))
- return 1;
- return pdc_check_atapi_dma(qc);
+ return 1;
}
-static void pdc_ata_setup_port(struct ata_ioports *port, void __iomem *base)
+static void pdc_ata_setup_port(struct ata_ioports *port, void __iomem *base,
+ void __iomem *scr_addr)
{
port->cmd_addr = base;
port->data_addr = base;
port->status_addr = base + 0x1c;
port->altstatus_addr =
port->ctl_addr = base + 0x38;
+ port->scr_addr = scr_addr;
}
base = probe_ent->iomap[PDC_MMIO_BAR];
- pdc_ata_setup_port(&probe_ent->port[0], base + 0x200);
- pdc_ata_setup_port(&probe_ent->port[1], base + 0x280);
-
- probe_ent->port[0].scr_addr = base + 0x400;
- probe_ent->port[1].scr_addr = base + 0x500;
+ pdc_ata_setup_port(&probe_ent->port[0], base + 0x200, base + 0x400);
+ pdc_ata_setup_port(&probe_ent->port[1], base + 0x280, base + 0x500);
/* notice 4-port boards */
switch (board_idx) {
/* Fall through */
case board_20319:
probe_ent->n_ports = 4;
-
- pdc_ata_setup_port(&probe_ent->port[2], base + 0x300);
- pdc_ata_setup_port(&probe_ent->port[3], base + 0x380);
-
- probe_ent->port[2].scr_addr = base + 0x600;
- probe_ent->port[3].scr_addr = base + 0x700;
+ pdc_ata_setup_port(&probe_ent->port[2], base + 0x300, base + 0x600);
+ pdc_ata_setup_port(&probe_ent->port[3], base + 0x380, base + 0x700);
break;
case board_2057x:
hp->flags |= PDC_FLAG_GEN_II;
tmp = readb(base + PDC_FLASH_CTL+1);
if (!(tmp & 0x80)) {
probe_ent->n_ports = 3;
- pdc_ata_setup_port(&probe_ent->port[2], base + 0x300);
+ pdc_ata_setup_port(&probe_ent->port[2], base + 0x300, NULL);
hp->port_flags[2] = ATA_FLAG_SLAVE_POSS;
printk(KERN_INFO DRV_NAME " PATA port found\n");
} else
break;
case board_20619:
probe_ent->n_ports = 4;
-
- pdc_ata_setup_port(&probe_ent->port[2], base + 0x300);
- pdc_ata_setup_port(&probe_ent->port[3], base + 0x380);
-
- probe_ent->port[2].scr_addr = base + 0x600;
- probe_ent->port[3].scr_addr = base + 0x700;
+ pdc_ata_setup_port(&probe_ent->port[2], base + 0x300, NULL);
+ pdc_ata_setup_port(&probe_ent->port[3], base + 0x380, NULL);
break;
default:
BUG();
projects / powerpc.git / blobdiff