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path: root/drivers/ata/sata_promise.c
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Diffstat (limited to 'drivers/ata/sata_promise.c')
-rw-r--r--drivers/ata/sata_promise.c78
1 files changed, 34 insertions, 44 deletions
diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c
index 6dc0b011a6b7..2ad5872fe90c 100644
--- a/drivers/ata/sata_promise.c
+++ b/drivers/ata/sata_promise.c
@@ -45,8 +45,7 @@
#include "sata_promise.h"
#define DRV_NAME "sata_promise"
-#define DRV_VERSION "2.07"
-
+#define DRV_VERSION "2.08"
enum {
PDC_MAX_PORTS = 4,
@@ -94,7 +93,7 @@ enum {
board_20319 = 2, /* FastTrak S150 TX4 */
board_20619 = 3, /* FastTrak TX4000 */
board_2057x = 4, /* SATAII150 Tx2plus */
- board_2057x_pata = 5, /* SATAII150 Tx2plus */
+ board_2057x_pata = 5, /* SATAII150 Tx2plus PATA port */
board_40518 = 6, /* SATAII150 Tx4 */
PDC_HAS_PATA = (1 << 1), /* PDC20375/20575 has PATA */
@@ -124,7 +123,6 @@ enum {
PDC_FLAG_4_PORTS = (1 << 26), /* 4 ports */
};
-
struct pdc_port_priv {
u8 *pkt;
dma_addr_t pkt_dma;
@@ -252,7 +250,7 @@ static const struct ata_port_info pdc_port_info[] = {
PDC_FLAG_SATA_PATA,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
- .udma_mask = 0x7f, /* udma0-6 ; FIXME */
+ .udma_mask = ATA_UDMA6,
.port_ops = &pdc_old_sata_ops,
},
@@ -261,7 +259,7 @@ static const struct ata_port_info pdc_port_info[] = {
.flags = PDC_COMMON_FLAGS | ATA_FLAG_SLAVE_POSS,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
- .udma_mask = 0x7f, /* udma0-6 ; FIXME */
+ .udma_mask = ATA_UDMA6,
.port_ops = &pdc_pata_ops,
},
@@ -271,7 +269,7 @@ static const struct ata_port_info pdc_port_info[] = {
PDC_FLAG_4_PORTS,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
- .udma_mask = 0x7f, /* udma0-6 ; FIXME */
+ .udma_mask = ATA_UDMA6,
.port_ops = &pdc_old_sata_ops,
},
@@ -281,7 +279,7 @@ static const struct ata_port_info pdc_port_info[] = {
PDC_FLAG_4_PORTS,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
- .udma_mask = 0x7f, /* udma0-6 ; FIXME */
+ .udma_mask = ATA_UDMA6,
.port_ops = &pdc_pata_ops,
},
@@ -291,7 +289,7 @@ static const struct ata_port_info pdc_port_info[] = {
PDC_FLAG_GEN_II | PDC_FLAG_SATA_PATA,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
- .udma_mask = 0x7f, /* udma0-6 ; FIXME */
+ .udma_mask = ATA_UDMA6,
.port_ops = &pdc_sata_ops,
},
@@ -301,7 +299,7 @@ static const struct ata_port_info pdc_port_info[] = {
PDC_FLAG_GEN_II,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
- .udma_mask = 0x7f, /* udma0-6 ; FIXME */
+ .udma_mask = ATA_UDMA6,
.port_ops = &pdc_pata_ops,
},
@@ -311,7 +309,7 @@ static const struct ata_port_info pdc_port_info[] = {
PDC_FLAG_GEN_II | PDC_FLAG_4_PORTS,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
- .udma_mask = 0x7f, /* udma0-6 ; FIXME */
+ .udma_mask = ATA_UDMA6,
.port_ops = &pdc_sata_ops,
},
};
@@ -340,7 +338,6 @@ static const struct pci_device_id pdc_ata_pci_tbl[] = {
{ } /* terminate list */
};
-
static struct pci_driver pdc_ata_pci_driver = {
.name = DRV_NAME,
.id_table = pdc_ata_pci_tbl,
@@ -348,7 +345,6 @@ static struct pci_driver pdc_ata_pci_driver = {
.remove = ata_pci_remove_one,
};
-
static int pdc_common_port_start(struct ata_port *ap)
{
struct device *dev = ap->host->dev;
@@ -382,7 +378,7 @@ static int pdc_sata_port_start(struct ata_port *ap)
/* fix up PHYMODE4 align timing */
if (ap->flags & PDC_FLAG_GEN_II) {
- void __iomem *mmio = (void __iomem *) ap->ioaddr.scr_addr;
+ void __iomem *mmio = ap->ioaddr.scr_addr;
unsigned int tmp;
tmp = readl(mmio + 0x014);
@@ -418,7 +414,7 @@ static void pdc_reset_port(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;
+ void __iomem *mmio = ap->ioaddr.cmd_addr + PDC_CTLSTAT + 0x03;
tmp = readb(mmio);
if (tmp & 0x01)
@@ -438,7 +434,6 @@ static u32 pdc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg)
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)
{
@@ -573,7 +568,7 @@ static void pdc_qc_prep(struct ata_queued_cmd *qc)
static void pdc_freeze(struct ata_port *ap)
{
- void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr;
+ void __iomem *mmio = ap->ioaddr.cmd_addr;
u32 tmp;
tmp = readl(mmio + PDC_CTLSTAT);
@@ -585,7 +580,7 @@ static void pdc_freeze(struct ata_port *ap)
static void pdc_thaw(struct ata_port *ap)
{
- void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr;
+ void __iomem *mmio = ap->ioaddr.cmd_addr;
u32 tmp;
/* clear IRQ */
@@ -657,8 +652,8 @@ static void pdc_error_intr(struct ata_port *ap, struct ata_queued_cmd *qc,
ata_port_abort(ap);
}
-static inline unsigned int pdc_host_intr( struct ata_port *ap,
- struct ata_queued_cmd *qc)
+static inline unsigned int pdc_host_intr(struct ata_port *ap,
+ struct ata_queued_cmd *qc)
{
unsigned int handled = 0;
void __iomem *port_mmio = ap->ioaddr.cmd_addr;
@@ -685,10 +680,10 @@ static inline unsigned int pdc_host_intr( struct ata_port *ap,
handled = 1;
break;
- default:
+ default:
ap->stats.idle_irq++;
break;
- }
+ }
return handled;
}
@@ -701,6 +696,18 @@ static void pdc_irq_clear(struct ata_port *ap)
readl(mmio + PDC_INT_SEQMASK);
}
+static inline int pdc_is_sataii_tx4(unsigned long flags)
+{
+ const unsigned long mask = PDC_FLAG_GEN_II | PDC_FLAG_4_PORTS;
+ return (flags & mask) == mask;
+}
+
+static inline unsigned int pdc_port_no_to_ata_no(unsigned int port_no, int is_sataii_tx4)
+{
+ static const unsigned char sataii_tx4_port_remap[4] = { 3, 1, 0, 2};
+ return is_sataii_tx4 ? sataii_tx4_port_remap[port_no] : port_no;
+}
+
static irqreturn_t pdc_interrupt (int irq, void *dev_instance)
{
struct ata_host *host = dev_instance;
@@ -807,7 +814,6 @@ static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf)
ata_tf_load(ap, tf);
}
-
static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf)
{
WARN_ON (tf->protocol == ATA_PROT_DMA ||
@@ -867,7 +873,6 @@ static void pdc_ata_setup_port(struct ata_port *ap,
ap->ioaddr.scr_addr = scr_addr;
}
-
static void pdc_host_init(struct ata_host *host)
{
void __iomem *mmio = host->iomap[PDC_MMIO_BAR];
@@ -955,10 +960,8 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
if (pi->flags & PDC_FLAG_SATA_PATA) {
u8 tmp = readb(base + PDC_FLASH_CTL+1);
- if (!(tmp & 0x80)) {
+ if (!(tmp & 0x80))
ppi[n_ports++] = pi + 1;
- dev_printk(KERN_INFO, &pdev->dev, "PATA port found\n");
- }
}
host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
@@ -968,22 +971,12 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
}
host->iomap = pcim_iomap_table(pdev);
- is_sataii_tx4 = 0;
- if ((pi->flags & (PDC_FLAG_GEN_II|PDC_FLAG_4_PORTS)) == (PDC_FLAG_GEN_II|PDC_FLAG_4_PORTS)) {
- is_sataii_tx4 = 1;
- dev_printk(KERN_INFO, &pdev->dev, "applying SATAII TX4 port numbering workaround\n");
- }
+ is_sataii_tx4 = pdc_is_sataii_tx4(pi->flags);
for (i = 0; i < host->n_ports; i++) {
- static const unsigned char sataii_tx4_port_remap[4] = { 3, 1, 0, 2};
- int ata_nr;
-
- ata_nr = i;
- if (is_sataii_tx4)
- ata_nr = sataii_tx4_port_remap[i];
-
+ unsigned int ata_no = pdc_port_no_to_ata_no(i, is_sataii_tx4);
pdc_ata_setup_port(host->ports[i],
- base + 0x200 + ata_nr * 0x80,
- base + 0x400 + ata_nr * 0x100);
+ base + 0x200 + ata_no * 0x80,
+ base + 0x400 + ata_no * 0x100);
}
/* initialize adapter */
@@ -1002,19 +995,16 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
&pdc_ata_sht);
}
-
static int __init pdc_ata_init(void)
{
return pci_register_driver(&pdc_ata_pci_driver);
}
-
static void __exit pdc_ata_exit(void)
{
pci_unregister_driver(&pdc_ata_pci_driver);
}
-
MODULE_AUTHOR("Jeff Garzik");
MODULE_DESCRIPTION("Promise ATA TX2/TX4/TX4000 low-level driver");
MODULE_LICENSE("GPL");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.