aboutsummaryrefslogtreecommitdiff
path: root/drivers/ata/ata_piix.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/ata/ata_piix.c')
-rw-r--r--drivers/ata/ata_piix.c79
1 files changed, 37 insertions, 42 deletions
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 3183b3f38e4..024e6d52eab 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -316,7 +316,6 @@ static const struct ata_port_operations piix_pata_ops = {
.post_internal_cmd = ata_bmdma_post_internal_cmd,
.cable_detect = ata_cable_40wire,
- .irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
.irq_on = ata_irq_on,
@@ -348,7 +347,6 @@ static const struct ata_port_operations ich_pata_ops = {
.post_internal_cmd = ata_bmdma_post_internal_cmd,
.cable_detect = ich_pata_cable_detect,
- .irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
.irq_on = ata_irq_on,
@@ -375,7 +373,6 @@ static const struct ata_port_operations piix_sata_ops = {
.error_handler = ata_bmdma_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,
@@ -521,7 +518,6 @@ static const struct piix_map_db *piix_map_db_table[] = {
static struct ata_port_info piix_port_info[] = {
[piix_pata_mwdma] = /* PIIX3 MWDMA only */
{
- .sht = &piix_sht,
.flags = PIIX_PATA_FLAGS,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x06, /* mwdma1-2 ?? CHECK 0 should be ok but slow */
@@ -530,7 +526,6 @@ static struct ata_port_info piix_port_info[] = {
[piix_pata_33] = /* PIIX4 at 33MHz */
{
- .sht = &piix_sht,
.flags = PIIX_PATA_FLAGS,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x06, /* mwdma1-2 ?? CHECK 0 should be ok but slow */
@@ -540,7 +535,6 @@ static struct ata_port_info piix_port_info[] = {
[ich_pata_33] = /* ICH0 - ICH at 33Mhz*/
{
- .sht = &piix_sht,
.flags = PIIX_PATA_FLAGS,
.pio_mask = 0x1f, /* pio 0-4 */
.mwdma_mask = 0x06, /* Check: maybe 0x07 */
@@ -550,7 +544,6 @@ static struct ata_port_info piix_port_info[] = {
[ich_pata_66] = /* ICH controllers up to 66MHz */
{
- .sht = &piix_sht,
.flags = PIIX_PATA_FLAGS,
.pio_mask = 0x1f, /* pio 0-4 */
.mwdma_mask = 0x06, /* MWDMA0 is broken on chip */
@@ -560,7 +553,6 @@ static struct ata_port_info piix_port_info[] = {
[ich_pata_100] =
{
- .sht = &piix_sht,
.flags = PIIX_PATA_FLAGS | PIIX_FLAG_CHECKINTR,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x06, /* mwdma1-2 */
@@ -570,7 +562,6 @@ static struct ata_port_info piix_port_info[] = {
[ich5_sata] =
{
- .sht = &piix_sht,
.flags = PIIX_SATA_FLAGS,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
@@ -580,7 +571,6 @@ static struct ata_port_info piix_port_info[] = {
[ich6_sata] =
{
- .sht = &piix_sht,
.flags = PIIX_SATA_FLAGS,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
@@ -590,7 +580,6 @@ static struct ata_port_info piix_port_info[] = {
[ich6_sata_ahci] =
{
- .sht = &piix_sht,
.flags = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
@@ -600,7 +589,6 @@ static struct ata_port_info piix_port_info[] = {
[ich6m_sata_ahci] =
{
- .sht = &piix_sht,
.flags = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
@@ -610,7 +598,6 @@ static struct ata_port_info piix_port_info[] = {
[ich8_sata_ahci] =
{
- .sht = &piix_sht,
.flags = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
@@ -620,7 +607,6 @@ static struct ata_port_info piix_port_info[] = {
[ich8_2port_sata] =
{
- .sht = &piix_sht,
.flags = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
@@ -630,7 +616,6 @@ static struct ata_port_info piix_port_info[] = {
[tolapai_sata_ahci] =
{
- .sht = &piix_sht,
.flags = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
@@ -640,7 +625,6 @@ static struct ata_port_info piix_port_info[] = {
[ich8m_apple_sata_ahci] =
{
- .sht = &piix_sht,
.flags = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
@@ -1256,10 +1240,10 @@ static int __devinit piix_check_450nx_errata(struct pci_dev *ata_dev)
return no_piix_dma;
}
-static void __devinit piix_init_pcs(struct pci_dev *pdev,
- struct ata_port_info *pinfo,
+static void __devinit piix_init_pcs(struct ata_host *host,
const struct piix_map_db *map_db)
{
+ struct pci_dev *pdev = to_pci_dev(host->dev);
u16 pcs, new_pcs;
pci_read_config_word(pdev, ICH5_PCS, &pcs);
@@ -1273,11 +1257,10 @@ static void __devinit piix_init_pcs(struct pci_dev *pdev,
}
}
-static void __devinit piix_init_sata_map(struct pci_dev *pdev,
- struct ata_port_info *pinfo,
- const struct piix_map_db *map_db)
+static const int *__devinit piix_init_sata_map(struct pci_dev *pdev,
+ struct ata_port_info *pinfo,
+ const struct piix_map_db *map_db)
{
- struct piix_host_priv *hpriv = pinfo[0].private_data;
const int *map;
int i, invalid_map = 0;
u8 map_value;
@@ -1301,7 +1284,6 @@ static void __devinit piix_init_sata_map(struct pci_dev *pdev,
case IDE:
WARN_ON((i & 1) || map[i + 1] != IDE);
pinfo[i / 2] = piix_port_info[ich_pata_100];
- pinfo[i / 2].private_data = hpriv;
i++;
printk(" IDE IDE");
break;
@@ -1319,7 +1301,7 @@ static void __devinit piix_init_sata_map(struct pci_dev *pdev,
dev_printk(KERN_ERR, &pdev->dev,
"invalid MAP value %u\n", map_value);
- hpriv->map = map;
+ return map;
}
static void piix_iocfg_bit18_quirk(struct pci_dev *pdev)
@@ -1378,8 +1360,10 @@ static int piix_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
struct device *dev = &pdev->dev;
struct ata_port_info port_info[2];
const struct ata_port_info *ppi[] = { &port_info[0], &port_info[1] };
- struct piix_host_priv *hpriv;
unsigned long port_flags;
+ struct ata_host *host;
+ struct piix_host_priv *hpriv;
+ int rc;
if (!printed_version++)
dev_printk(KERN_DEBUG, &pdev->dev,
@@ -1389,17 +1373,31 @@ static int piix_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (!in_module_init)
return -ENODEV;
+ port_info[0] = piix_port_info[ent->driver_data];
+ port_info[1] = piix_port_info[ent->driver_data];
+
+ port_flags = port_info[0].flags;
+
+ /* enable device and prepare host */
+ rc = pcim_enable_device(pdev);
+ if (rc)
+ return rc;
+
+ /* SATA map init can change port_info, do it before prepping host */
hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
if (!hpriv)
return -ENOMEM;
- port_info[0] = piix_port_info[ent->driver_data];
- port_info[1] = piix_port_info[ent->driver_data];
- port_info[0].private_data = hpriv;
- port_info[1].private_data = hpriv;
+ if (port_flags & ATA_FLAG_SATA)
+ hpriv->map = piix_init_sata_map(pdev, port_info,
+ piix_map_db_table[ent->driver_data]);
- port_flags = port_info[0].flags;
+ rc = ata_pci_prepare_sff_host(pdev, ppi, &host);
+ if (rc)
+ return rc;
+ host->private_data = hpriv;
+ /* initialize controller */
if (port_flags & PIIX_FLAG_AHCI) {
u8 tmp;
pci_read_config_byte(pdev, PIIX_SCC, &tmp);
@@ -1410,13 +1408,8 @@ static int piix_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
}
}
- /* Initialize SATA map */
- if (port_flags & ATA_FLAG_SATA) {
- piix_init_sata_map(pdev, port_info,
- piix_map_db_table[ent->driver_data]);
- piix_init_pcs(pdev, port_info,
- piix_map_db_table[ent->driver_data]);
- }
+ if (port_flags & ATA_FLAG_SATA)
+ piix_init_pcs(host, piix_map_db_table[ent->driver_data]);
/* apply IOCFG bit18 quirk */
piix_iocfg_bit18_quirk(pdev);
@@ -1434,12 +1427,14 @@ static int piix_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
/* This writes into the master table but it does not
really matter for this errata as we will apply it to
all the PIIX devices on the board */
- port_info[0].mwdma_mask = 0;
- port_info[0].udma_mask = 0;
- port_info[1].mwdma_mask = 0;
- port_info[1].udma_mask = 0;
+ host->ports[0]->mwdma_mask = 0;
+ host->ports[0]->udma_mask = 0;
+ host->ports[1]->mwdma_mask = 0;
+ host->ports[1]->udma_mask = 0;
}
- return ata_pci_init_one(pdev, ppi);
+
+ pci_set_master(pdev);
+ return ata_pci_activate_sff_host(host, ata_interrupt, &piix_sht);
}
static int __init piix_init(void)
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-28 19:02:37 +0000