#include <linux/libata.h>
#define DRV_NAME "sata_via"
-#define DRV_VERSION "2.0"
+#define DRV_VERSION "2.1"
enum board_ids_enum {
vt6420,
SATA_PATA_SHARING = 0x49, /* PATA/SATA sharing func ctrl */
PATA_UDMA_TIMING = 0xB3, /* PATA timing for DMA/ cable detect */
PATA_PIO_TIMING = 0xAB, /* PATA timing register */
-
+
PORT0 = (1 << 1),
PORT1 = (1 << 0),
ALL_PORTS = PORT0 | PORT1,
- PATA_PORT = 2, /* PATA is port 2 */
- N_PORTS = 3,
NATIVE_MODE_ALL = (1 << 7) | (1 << 6) | (1 << 5) | (1 << 4),
static void svia_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val);
static void svia_noop_freeze(struct ata_port *ap);
static void vt6420_error_handler(struct ata_port *ap);
-static void vt6421_sata_error_handler(struct ata_port *ap);
-static void vt6421_pata_error_handler(struct ata_port *ap);
+static int vt6421_pata_cable_detect(struct ata_port *ap);
static void vt6421_set_pio_mode(struct ata_port *ap, struct ata_device *adev);
static void vt6421_set_dma_mode(struct ata_port *ap, struct ata_device *adev);
-static int vt6421_port_start(struct ata_port *ap);
static const struct pci_device_id svia_pci_tbl[] = {
{ PCI_VDEVICE(VIA, 0x5337), vt6420 },
.error_handler = vt6420_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
- .irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
+ .irq_on = ata_irq_on,
+ .irq_ack = ata_irq_ack,
.port_start = ata_port_start,
};
static const struct ata_port_operations vt6421_pata_ops = {
.port_disable = ata_port_disable,
-
+
.set_piomode = vt6421_set_pio_mode,
.set_dmamode = vt6421_set_dma_mode,
.freeze = ata_bmdma_freeze,
.thaw = ata_bmdma_thaw,
- .error_handler = vt6421_pata_error_handler,
+ .error_handler = ata_bmdma_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .cable_detect = vt6421_pata_cable_detect,
- .irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
+ .irq_on = ata_irq_on,
+ .irq_ack = ata_irq_ack,
- .port_start = vt6421_port_start,
+ .port_start = ata_port_start,
};
static const struct ata_port_operations vt6421_sata_ops = {
.port_disable = ata_port_disable,
-
+
.tf_load = ata_tf_load,
.tf_read = ata_tf_read,
.check_status = ata_check_status,
.freeze = ata_bmdma_freeze,
.thaw = ata_bmdma_thaw,
- .error_handler = vt6421_sata_error_handler,
+ .error_handler = ata_bmdma_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .cable_detect = ata_cable_sata,
- .irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
+ .irq_on = ata_irq_on,
+ .irq_ack = ata_irq_ack,
.scr_read = svia_scr_read,
.scr_write = svia_scr_write,
- .port_start = vt6421_port_start,
+ .port_start = ata_port_start,
};
-static struct ata_port_info vt6420_port_info = {
- .sht = &svia_sht,
+static const struct ata_port_info vt6420_port_info = {
.flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY,
.pio_mask = 0x1f,
.mwdma_mask = 0x07,
.port_ops = &vt6420_sata_ops,
};
+static struct ata_port_info vt6421_sport_info = {
+ .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY,
+ .pio_mask = 0x1f,
+ .mwdma_mask = 0x07,
+ .udma_mask = 0x7f,
+ .port_ops = &vt6421_sata_ops,
+};
+
+static struct ata_port_info vt6421_pport_info = {
+ .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_NO_LEGACY,
+ .pio_mask = 0x1f,
+ .mwdma_mask = 0,
+ .udma_mask = 0x7f,
+ .port_ops = &vt6421_pata_ops,
+};
+
MODULE_AUTHOR("Jeff Garzik");
MODULE_DESCRIPTION("SCSI low-level driver for VIA SATA controllers");
MODULE_LICENSE("GPL");
NULL, ata_std_postreset);
}
-static int vt6421_pata_prereset(struct ata_port *ap)
+static int vt6421_pata_cable_detect(struct ata_port *ap)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
u8 tmp;
pci_read_config_byte(pdev, PATA_UDMA_TIMING, &tmp);
if (tmp & 0x10)
- ap->cbl = ATA_CBL_PATA40;
- else
- ap->cbl = ATA_CBL_PATA80;
- return 0;
-}
-
-static void vt6421_pata_error_handler(struct ata_port *ap)
-{
- return ata_bmdma_drive_eh(ap, vt6421_pata_prereset, ata_std_softreset,
- NULL, ata_std_postreset);
-}
-
-static int vt6421_sata_prereset(struct ata_port *ap)
-{
- ap->cbl = ATA_CBL_SATA;
- return 0;
-}
-
-static void vt6421_sata_error_handler(struct ata_port *ap)
-{
- return ata_bmdma_drive_eh(ap, vt6421_sata_prereset, ata_std_softreset,
- NULL, ata_std_postreset);
+ return ATA_CBL_PATA40;
+ return ATA_CBL_PATA80;
}
static void vt6421_set_pio_mode(struct ata_port *ap, struct ata_device *adev)
pci_write_config_byte(pdev, PATA_UDMA_TIMING, udma_bits[adev->pio_mode - XFER_UDMA_0]);
}
-static int vt6421_port_start(struct ata_port *ap)
-{
- if (ap->port_no == PATA_PORT) {
- ap->ops = &vt6421_pata_ops;
- ap->mwdma_mask = 0;
- ap->flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_NO_LEGACY | ATA_FLAG_SRST;
- }
- return ata_port_start(ap);
-}
-
static const unsigned int svia_bar_sizes[] = {
8, 4, 8, 4, 16, 256
};
return addr + (port * 64);
}
-static void vt6421_init_addrs(struct ata_probe_ent *probe_ent,
- void __iomem * const *iomap, unsigned int port)
+static void vt6421_init_addrs(struct ata_port *ap)
{
- void __iomem *reg_addr = iomap[port];
- void __iomem *bmdma_addr = iomap[4] + (port * 8);
-
- probe_ent->port[port].cmd_addr = reg_addr;
- probe_ent->port[port].altstatus_addr =
- probe_ent->port[port].ctl_addr = (void __iomem *)
+ void __iomem * const * iomap = ap->host->iomap;
+ void __iomem *reg_addr = iomap[ap->port_no];
+ void __iomem *bmdma_addr = iomap[4] + (ap->port_no * 8);
+ struct ata_ioports *ioaddr = &ap->ioaddr;
+
+ ioaddr->cmd_addr = reg_addr;
+ ioaddr->altstatus_addr =
+ ioaddr->ctl_addr = (void __iomem *)
((unsigned long)(reg_addr + 8) | ATA_PCI_CTL_OFS);
- probe_ent->port[port].bmdma_addr = bmdma_addr;
- probe_ent->port[port].scr_addr = vt6421_scr_addr(iomap[5], port);
+ ioaddr->bmdma_addr = bmdma_addr;
+ ioaddr->scr_addr = vt6421_scr_addr(iomap[5], ap->port_no);
- ata_std_ports(&probe_ent->port[port]);
+ ata_std_ports(ioaddr);
}
-static struct ata_probe_ent *vt6420_init_probe_ent(struct pci_dev *pdev)
+static int vt6420_prepare_host(struct pci_dev *pdev, struct ata_host **r_host)
{
- struct ata_probe_ent *probe_ent;
- struct ata_port_info *ppi[2];
- void __iomem * const *iomap;
+ const struct ata_port_info *ppi[] = { &vt6420_port_info, NULL };
+ struct ata_host *host;
+ int rc;
- ppi[0] = ppi[1] = &vt6420_port_info;
- probe_ent = ata_pci_init_native_mode(pdev, ppi, ATA_PORT_PRIMARY | ATA_PORT_SECONDARY);
- if (!probe_ent)
- return NULL;
+ rc = ata_pci_prepare_native_host(pdev, ppi, 2, &host);
+ if (rc)
+ return rc;
+ *r_host = host;
- iomap = pcim_iomap_table(pdev);
- probe_ent->port[0].scr_addr = svia_scr_addr(iomap[5], 0);
- probe_ent->port[1].scr_addr = svia_scr_addr(iomap[5], 1);
+ rc = pcim_iomap_regions(pdev, 1 << 5, DRV_NAME);
+ if (rc) {
+ dev_printk(KERN_ERR, &pdev->dev, "failed to iomap PCI BAR 5\n");
+ return rc;
+ }
+
+ host->ports[0]->ioaddr.scr_addr = svia_scr_addr(host->iomap[5], 0);
+ host->ports[1]->ioaddr.scr_addr = svia_scr_addr(host->iomap[5], 1);
- return probe_ent;
+ return 0;
}
-static struct ata_probe_ent *vt6421_init_probe_ent(struct pci_dev *pdev)
+static int vt6421_prepare_host(struct pci_dev *pdev, struct ata_host **r_host)
{
- struct ata_probe_ent *probe_ent;
- unsigned int i;
-
- probe_ent = devm_kzalloc(&pdev->dev, sizeof(*probe_ent), GFP_KERNEL);
- if (!probe_ent)
- return NULL;
+ const struct ata_port_info *ppi[] =
+ { &vt6421_sport_info, &vt6421_sport_info, &vt6421_pport_info };
+ struct ata_host *host;
+ int i, rc;
+
+ *r_host = host = ata_host_alloc_pinfo(&pdev->dev, ppi, ARRAY_SIZE(ppi));
+ if (!host) {
+ dev_printk(KERN_ERR, &pdev->dev, "failed to allocate host\n");
+ return -ENOMEM;
+ }
- memset(probe_ent, 0, sizeof(*probe_ent));
- probe_ent->dev = pci_dev_to_dev(pdev);
- INIT_LIST_HEAD(&probe_ent->node);
+ rc = pcim_iomap_regions(pdev, 0x1f, DRV_NAME);
+ if (rc) {
+ dev_printk(KERN_ERR, &pdev->dev, "failed to request/iomap "
+ "PCI BARs (errno=%d)\n", rc);
+ return rc;
+ }
+ host->iomap = pcim_iomap_table(pdev);
- probe_ent->sht = &svia_sht;
- probe_ent->port_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY;
- probe_ent->port_ops = &vt6421_sata_ops;
- probe_ent->n_ports = N_PORTS;
- probe_ent->irq = pdev->irq;
- probe_ent->irq_flags = IRQF_SHARED;
- probe_ent->pio_mask = 0x1f;
- probe_ent->mwdma_mask = 0x07;
- probe_ent->udma_mask = 0x7f;
+ for (i = 0; i < host->n_ports; i++)
+ vt6421_init_addrs(host->ports[i]);
- for (i = 0; i < N_PORTS; i++)
- vt6421_init_addrs(probe_ent, pcim_iomap_table(pdev), i);
+ rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
+ if (rc)
+ return rc;
+ rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK);
+ if (rc)
+ return rc;
- return probe_ent;
+ return 0;
}
static void svia_configure(struct pci_dev *pdev)
static int printed_version;
unsigned int i;
int rc;
- struct ata_probe_ent *probe_ent;
+ struct ata_host *host;
int board_id = (int) ent->driver_data;
const int *bar_sizes;
u8 tmp8;
if (rc)
return rc;
- rc = pcim_iomap_regions(pdev, 0x1f, DRV_NAME);
- if (rc) {
- pcim_pin_device(pdev);
- return rc;
- }
-
if (board_id == vt6420) {
pci_read_config_byte(pdev, SATA_PATA_SHARING, &tmp8);
if (tmp8 & SATA_2DEV) {
return -ENODEV;
}
- rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
- if (rc)
- return rc;
- rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK);
- if (rc)
- return rc;
-
if (board_id == vt6420)
- probe_ent = vt6420_init_probe_ent(pdev);
+ rc = vt6420_prepare_host(pdev, &host);
else
- probe_ent = vt6421_init_probe_ent(pdev);
-
- if (!probe_ent) {
- dev_printk(KERN_ERR, &pdev->dev, "out of memory\n");
- return -ENOMEM;
- }
+ rc = vt6421_prepare_host(pdev, &host);
+ if (rc)
+ return rc;
svia_configure(pdev);
pci_set_master(pdev);
-
- if (!ata_device_add(probe_ent))
- return -ENODEV;
-
- devm_kfree(&pdev->dev, probe_ent);
- return 0;
+ return ata_host_activate(host, pdev->irq, ata_interrupt, IRQF_SHARED,
+ &svia_sht);
}
static int __init svia_init(void)
projects / powerpc.git / blobdiff