*
* Maintained by: Jeff Garzik <jgarzik@pobox.com>
* Please ALWAYS copy linux-ide@vger.kernel.org
- on emails.
+ * on emails.
*
* Copyright 2003-2004 Red Hat, Inc. All rights reserved.
* Copyright 2003-2004 Jeff Garzik
* Hardware documentation available under NDA.
*
*
- * To-do list:
- * - VT6421 PATA support
*
*/
#include <linux/libata.h>
#define DRV_NAME "sata_via"
-#define DRV_VERSION "2.2"
+#define DRV_VERSION "2.3"
enum board_ids_enum {
vt6420,
SATA_CHAN_ENAB = 0x40, /* SATA channel enable */
SATA_INT_GATE = 0x41, /* SATA interrupt gating */
SATA_NATIVE_MODE = 0x42, /* Native mode enable */
- 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 */
NATIVE_MODE_ALL = (1 << 7) | (1 << 6) | (1 << 5) | (1 << 4),
SATA_EXT_PHY = (1 << 6), /* 0==use PATA, 1==ext phy */
- SATA_2DEV = (1 << 5), /* SATA is master/slave */
};
-static int svia_init_one (struct pci_dev *pdev, const struct pci_device_id *ent);
+static int svia_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
static int svia_scr_read(struct ata_port *ap, unsigned int sc_reg, u32 *val);
static int 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 int vt6420_prereset(struct ata_link *link, unsigned long deadline);
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 struct scsi_host_template svia_sht = {
- .module = THIS_MODULE,
- .name = DRV_NAME,
- .ioctl = ata_scsi_ioctl,
- .queuecommand = ata_scsi_queuecmd,
- .can_queue = ATA_DEF_QUEUE,
- .this_id = ATA_SHT_THIS_ID,
- .sg_tablesize = LIBATA_MAX_PRD,
- .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
- .emulated = ATA_SHT_EMULATED,
- .use_clustering = ATA_SHT_USE_CLUSTERING,
- .proc_name = DRV_NAME,
- .dma_boundary = ATA_DMA_BOUNDARY,
- .slave_configure = ata_scsi_slave_config,
- .slave_destroy = ata_scsi_slave_destroy,
- .bios_param = ata_std_bios_param,
+ ATA_BMDMA_SHT(DRV_NAME),
};
-static const struct ata_port_operations vt6420_sata_ops = {
- .port_disable = ata_port_disable,
-
- .tf_load = ata_tf_load,
- .tf_read = ata_tf_read,
- .check_status = ata_check_status,
- .exec_command = ata_exec_command,
- .dev_select = ata_std_dev_select,
-
- .bmdma_setup = ata_bmdma_setup,
- .bmdma_start = ata_bmdma_start,
- .bmdma_stop = ata_bmdma_stop,
- .bmdma_status = ata_bmdma_status,
-
- .qc_prep = ata_qc_prep,
- .qc_issue = ata_qc_issue_prot,
- .data_xfer = ata_data_xfer,
-
+static struct ata_port_operations vt6420_sata_ops = {
+ .inherits = &ata_bmdma_port_ops,
.freeze = svia_noop_freeze,
- .thaw = ata_bmdma_thaw,
- .error_handler = vt6420_error_handler,
- .post_internal_cmd = ata_bmdma_post_internal_cmd,
-
- .irq_clear = ata_bmdma_irq_clear,
- .irq_on = ata_irq_on,
- .irq_ack = ata_irq_ack,
-
- .port_start = ata_port_start,
+ .prereset = vt6420_prereset,
};
-static const struct ata_port_operations vt6421_pata_ops = {
- .port_disable = ata_port_disable,
-
+static struct ata_port_operations vt6421_pata_ops = {
+ .inherits = &ata_bmdma_port_ops,
+ .cable_detect = vt6421_pata_cable_detect,
.set_piomode = vt6421_set_pio_mode,
.set_dmamode = vt6421_set_dma_mode,
-
- .tf_load = ata_tf_load,
- .tf_read = ata_tf_read,
- .check_status = ata_check_status,
- .exec_command = ata_exec_command,
- .dev_select = ata_std_dev_select,
-
- .bmdma_setup = ata_bmdma_setup,
- .bmdma_start = ata_bmdma_start,
- .bmdma_stop = ata_bmdma_stop,
- .bmdma_status = ata_bmdma_status,
-
- .qc_prep = ata_qc_prep,
- .qc_issue = ata_qc_issue_prot,
- .data_xfer = ata_data_xfer,
-
- .freeze = ata_bmdma_freeze,
- .thaw = ata_bmdma_thaw,
- .error_handler = ata_bmdma_error_handler,
- .post_internal_cmd = ata_bmdma_post_internal_cmd,
- .cable_detect = vt6421_pata_cable_detect,
-
- .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_sata_ops = {
- .port_disable = ata_port_disable,
-
- .tf_load = ata_tf_load,
- .tf_read = ata_tf_read,
- .check_status = ata_check_status,
- .exec_command = ata_exec_command,
- .dev_select = ata_std_dev_select,
-
- .bmdma_setup = ata_bmdma_setup,
- .bmdma_start = ata_bmdma_start,
- .bmdma_stop = ata_bmdma_stop,
- .bmdma_status = ata_bmdma_status,
-
- .qc_prep = ata_qc_prep,
- .qc_issue = ata_qc_issue_prot,
- .data_xfer = ata_data_xfer,
-
- .freeze = ata_bmdma_freeze,
- .thaw = ata_bmdma_thaw,
- .error_handler = ata_bmdma_error_handler,
- .post_internal_cmd = ata_bmdma_post_internal_cmd,
- .cable_detect = ata_cable_sata,
-
- .irq_clear = ata_bmdma_irq_clear,
- .irq_on = ata_irq_on,
- .irq_ack = ata_irq_ack,
-
+static struct ata_port_operations vt6421_sata_ops = {
+ .inherits = &ata_bmdma_port_ops,
.scr_read = svia_scr_read,
.scr_write = svia_scr_write,
-
- .port_start = ata_port_start,
};
static const struct ata_port_info vt6420_port_info = {
/**
* vt6420_prereset - prereset for vt6420
- * @ap: target ATA port
+ * @link: target ATA link
* @deadline: deadline jiffies for the operation
*
* SCR registers on vt6420 are pieces of shit and may hang the
* RETURNS:
* 0 on success, -errno otherwise.
*/
-static int vt6420_prereset(struct ata_port *ap, unsigned long deadline)
+static int vt6420_prereset(struct ata_link *link, unsigned long deadline)
{
- struct ata_eh_context *ehc = &ap->eh_context;
+ struct ata_port *ap = link->ap;
+ struct ata_eh_context *ehc = &ap->link.eh_context;
unsigned long timeout = jiffies + (HZ * 5);
u32 sstatus, scontrol;
int online;
if (!online) {
/* tell EH to bail */
- ehc->i.action &= ~ATA_EH_RESET_MASK;
+ ehc->i.action &= ~ATA_EH_RESET;
return 0;
}
return 0;
}
-static void vt6420_error_handler(struct ata_port *ap)
-{
- return ata_bmdma_drive_eh(ap, vt6420_prereset, ata_std_softreset,
- NULL, ata_std_postreset);
-}
-
static int vt6421_pata_cable_detect(struct ata_port *ap)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
static const u8 udma_bits[] = { 0xEE, 0xE8, 0xE6, 0xE4, 0xE2, 0xE1, 0xE0, 0xE0 };
- pci_write_config_byte(pdev, PATA_UDMA_TIMING, udma_bits[adev->pio_mode - XFER_UDMA_0]);
+ pci_write_config_byte(pdev, PATA_UDMA_TIMING, udma_bits[adev->dma_mode - XFER_UDMA_0]);
}
static const unsigned int svia_bar_sizes[] = {
16, 16, 16, 16, 32, 128
};
-static void __iomem * svia_scr_addr(void __iomem *addr, unsigned int port)
+static void __iomem *svia_scr_addr(void __iomem *addr, unsigned int port)
{
return addr + (port * 128);
}
-static void __iomem * vt6421_scr_addr(void __iomem *addr, unsigned int port)
+static void __iomem *vt6421_scr_addr(void __iomem *addr, unsigned int port)
{
return addr + (port * 64);
}
ioaddr->scr_addr = vt6421_scr_addr(iomap[5], ap->port_no);
ata_std_ports(ioaddr);
+
+ ata_port_pbar_desc(ap, ap->port_no, -1, "port");
+ ata_port_pbar_desc(ap, 4, ap->port_no * 8, "bmdma");
}
static int vt6420_prepare_host(struct pci_dev *pdev, struct ata_host **r_host)
if ((tmp8 & ALL_PORTS) != ALL_PORTS) {
dev_printk(KERN_DEBUG, &pdev->dev,
"enabling SATA channels (0x%x)\n",
- (int) tmp8);
+ (int) tmp8);
tmp8 |= ALL_PORTS;
pci_write_config_byte(pdev, SATA_CHAN_ENAB, tmp8);
}
if ((tmp8 & ALL_PORTS) != ALL_PORTS) {
dev_printk(KERN_DEBUG, &pdev->dev,
"enabling SATA channel interrupts (0x%x)\n",
- (int) tmp8);
+ (int) tmp8);
tmp8 |= ALL_PORTS;
pci_write_config_byte(pdev, SATA_INT_GATE, tmp8);
}
if ((tmp8 & NATIVE_MODE_ALL) != NATIVE_MODE_ALL) {
dev_printk(KERN_DEBUG, &pdev->dev,
"enabling SATA channel native mode (0x%x)\n",
- (int) tmp8);
+ (int) tmp8);
tmp8 |= NATIVE_MODE_ALL;
pci_write_config_byte(pdev, SATA_NATIVE_MODE, tmp8);
}
}
-static int svia_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
+static int svia_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
static int printed_version;
unsigned int i;
int rc;
struct ata_host *host;
int board_id = (int) ent->driver_data;
- const int *bar_sizes;
- u8 tmp8;
+ const unsigned *bar_sizes;
if (!printed_version++)
dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
if (rc)
return rc;
- if (board_id == vt6420) {
- pci_read_config_byte(pdev, SATA_PATA_SHARING, &tmp8);
- if (tmp8 & SATA_2DEV) {
- dev_printk(KERN_ERR, &pdev->dev,
- "SATA master/slave not supported (0x%x)\n",
- (int) tmp8);
- return -EIO;
- }
-
+ if (board_id == vt6420)
bar_sizes = &svia_bar_sizes[0];
- } else {
+ else
bar_sizes = &vt6421_bar_sizes[0];
- }
for (i = 0; i < ARRAY_SIZE(svia_bar_sizes); i++)
if ((pci_resource_start(pdev, i) == 0) ||
dev_printk(KERN_ERR, &pdev->dev,
"invalid PCI BAR %u (sz 0x%llx, val 0x%llx)\n",
i,
- (unsigned long long)pci_resource_start(pdev, i),
- (unsigned long long)pci_resource_len(pdev, i));
+ (unsigned long long)pci_resource_start(pdev, i),
+ (unsigned long long)pci_resource_len(pdev, i));
return -ENODEV;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff