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path: root/drivers/ata/pata_sis.c
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Diffstat (limited to 'drivers/ata/pata_sis.c')
-rw-r--r--drivers/ata/pata_sis.c154
1 files changed, 99 insertions, 55 deletions
diff --git a/drivers/ata/pata_sis.c b/drivers/ata/pata_sis.c
index 533f2aefab8..b0edc7de7b2 100644
--- a/drivers/ata/pata_sis.c
+++ b/drivers/ata/pata_sis.c
@@ -55,7 +55,7 @@ static const struct sis_laptop sis_laptop[] = {
/* devid, subvendor, subdev */
{ 0x5513, 0x1043, 0x1107 }, /* ASUS A6K */
{ 0x5513, 0x1734, 0x105F }, /* FSC Amilo A1630 */
- { 0x5513, 0x1071, 0x8640 }, /* EasyNote K5305 */
+ { 0x5513, 0x1071, 0x8640 }, /* EasyNote K5305 */
/* end marker */
{ 0, }
};
@@ -76,7 +76,7 @@ static int sis_short_ata40(struct pci_dev *dev)
}
/**
- * sis_old_port_base - return PCI configuration base for dev
+ * sis_old_port_base - return PCI configuration base for dev
* @adev: device
*
* Returns the base of the PCI configuration registers for this port
@@ -85,11 +85,34 @@ static int sis_short_ata40(struct pci_dev *dev)
static int sis_old_port_base(struct ata_device *adev)
{
- return 0x40 + (4 * adev->link->ap->port_no) + (2 * adev->devno);
+ return 0x40 + (4 * adev->link->ap->port_no) + (2 * adev->devno);
}
/**
- * sis_133_cable_detect - check for 40/80 pin
+ * sis_port_base - return PCI configuration base for dev
+ * @adev: device
+ *
+ * Returns the base of the PCI configuration registers for this port
+ * number.
+ */
+
+static int sis_port_base(struct ata_device *adev)
+{
+ struct ata_port *ap = adev->link->ap;
+ struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+ int port = 0x40;
+ u32 reg54;
+
+ /* If bit 30 is set then the registers are mapped at 0x70 not 0x40 */
+ pci_read_config_dword(pdev, 0x54, &reg54);
+ if (reg54 & 0x40000000)
+ port = 0x70;
+
+ return port + (8 * ap->port_no) + (4 * adev->devno);
+}
+
+/**
+ * sis_133_cable_detect - check for 40/80 pin
* @ap: Port
* @deadline: deadline jiffies for the operation
*
@@ -110,7 +133,7 @@ static int sis_133_cable_detect(struct ata_port *ap)
}
/**
- * sis_66_cable_detect - check for 40/80 pin
+ * sis_66_cable_detect - check for 40/80 pin
* @ap: Port
*
* Perform cable detection on the UDMA66, UDMA100 and early UDMA133
@@ -132,7 +155,7 @@ static int sis_66_cable_detect(struct ata_port *ap)
/**
- * sis_pre_reset - probe begin
+ * sis_pre_reset - probe begin
* @link: ATA link
* @deadline: deadline jiffies for the operation
*
@@ -160,7 +183,7 @@ static int sis_pre_reset(struct ata_link *link, unsigned long deadline)
/**
- * sis_set_fifo - Set RWP fifo bits for this device
+ * sis_set_fifo - Set RWP fifo bits for this device
* @ap: Port
* @adev: Device
*
@@ -203,13 +226,13 @@ static void sis_set_fifo(struct ata_port *ap, struct ata_device *adev)
static void sis_old_set_piomode (struct ata_port *ap, struct ata_device *adev)
{
- struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+ struct pci_dev *pdev = to_pci_dev(ap->host->dev);
int port = sis_old_port_base(adev);
u8 t1, t2;
int speed = adev->pio_mode - XFER_PIO_0;
- const u8 active[] = { 0x00, 0x07, 0x04, 0x03, 0x01 };
- const u8 recovery[] = { 0x00, 0x06, 0x04, 0x03, 0x03 };
+ static const u8 active[] = { 0x00, 0x07, 0x04, 0x03, 0x01 };
+ static const u8 recovery[] = { 0x00, 0x06, 0x04, 0x03, 0x03 };
sis_set_fifo(ap, adev);
@@ -240,11 +263,11 @@ static void sis_old_set_piomode (struct ata_port *ap, struct ata_device *adev)
static void sis_100_set_piomode (struct ata_port *ap, struct ata_device *adev)
{
- struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+ struct pci_dev *pdev = to_pci_dev(ap->host->dev);
int port = sis_old_port_base(adev);
int speed = adev->pio_mode - XFER_PIO_0;
- const u8 actrec[] = { 0x00, 0x67, 0x44, 0x33, 0x31 };
+ static const u8 actrec[] = { 0x00, 0x67, 0x44, 0x33, 0x31 };
sis_set_fifo(ap, adev);
@@ -265,20 +288,19 @@ static void sis_100_set_piomode (struct ata_port *ap, struct ata_device *adev)
static void sis_133_set_piomode (struct ata_port *ap, struct ata_device *adev)
{
- struct pci_dev *pdev = to_pci_dev(ap->host->dev);
- int port = 0x40;
+ struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+ int port;
u32 t1;
- u32 reg54;
int speed = adev->pio_mode - XFER_PIO_0;
- const u32 timing133[] = {
+ static const u32 timing133[] = {
0x28269000, /* Recovery << 24 | Act << 16 | Ini << 12 */
0x0C266000,
0x04263000,
0x0C0A3000,
0x05093000
};
- const u32 timing100[] = {
+ static const u32 timing100[] = {
0x1E1C6000, /* Recovery << 24 | Act << 16 | Ini << 12 */
0x091C4000,
0x031C2000,
@@ -288,12 +310,7 @@ static void sis_133_set_piomode (struct ata_port *ap, struct ata_device *adev)
sis_set_fifo(ap, adev);
- /* If bit 14 is set then the registers are mapped at 0x70 not 0x40 */
- pci_read_config_dword(pdev, 0x54, &reg54);
- if (reg54 & 0x40000000)
- port = 0x70;
- port += 8 * ap->port_no + 4 * adev->devno;
-
+ port = sis_port_base(adev);
pci_read_config_dword(pdev, port, &t1);
t1 &= 0xC0C00FFF; /* Mask out timing */
@@ -319,13 +336,13 @@ static void sis_133_set_piomode (struct ata_port *ap, struct ata_device *adev)
static void sis_old_set_dmamode (struct ata_port *ap, struct ata_device *adev)
{
- struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+ struct pci_dev *pdev = to_pci_dev(ap->host->dev);
int speed = adev->dma_mode - XFER_MW_DMA_0;
int drive_pci = sis_old_port_base(adev);
u16 timing;
- const u16 mwdma_bits[] = { 0x008, 0x302, 0x301 };
- const u16 udma_bits[] = { 0xE000, 0xC000, 0xA000 };
+ static const u16 mwdma_bits[] = { 0x008, 0x302, 0x301 };
+ static const u16 udma_bits[] = { 0xE000, 0xC000, 0xA000 };
pci_read_config_word(pdev, drive_pci, &timing);
@@ -358,14 +375,14 @@ static void sis_old_set_dmamode (struct ata_port *ap, struct ata_device *adev)
static void sis_66_set_dmamode (struct ata_port *ap, struct ata_device *adev)
{
- struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+ struct pci_dev *pdev = to_pci_dev(ap->host->dev);
int speed = adev->dma_mode - XFER_MW_DMA_0;
int drive_pci = sis_old_port_base(adev);
u16 timing;
/* MWDMA 0-2 and UDMA 0-5 */
- const u16 mwdma_bits[] = { 0x008, 0x302, 0x301 };
- const u16 udma_bits[] = { 0xF000, 0xD000, 0xB000, 0xA000, 0x9000, 0x8000 };
+ static const u16 mwdma_bits[] = { 0x008, 0x302, 0x301 };
+ static const u16 udma_bits[] = { 0xF000, 0xD000, 0xB000, 0xA000, 0x9000, 0x8000 };
pci_read_config_word(pdev, drive_pci, &timing);
@@ -397,12 +414,12 @@ static void sis_66_set_dmamode (struct ata_port *ap, struct ata_device *adev)
static void sis_100_set_dmamode (struct ata_port *ap, struct ata_device *adev)
{
- struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+ struct pci_dev *pdev = to_pci_dev(ap->host->dev);
int speed = adev->dma_mode - XFER_MW_DMA_0;
int drive_pci = sis_old_port_base(adev);
u8 timing;
- const u8 udma_bits[] = { 0x8B, 0x87, 0x85, 0x83, 0x82, 0x81};
+ static const u8 udma_bits[] = { 0x8B, 0x87, 0x85, 0x83, 0x82, 0x81};
pci_read_config_byte(pdev, drive_pci + 1, &timing);
@@ -431,7 +448,7 @@ static void sis_100_set_dmamode (struct ata_port *ap, struct ata_device *adev)
static void sis_133_early_set_dmamode (struct ata_port *ap, struct ata_device *adev)
{
- struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+ struct pci_dev *pdev = to_pci_dev(ap->host->dev);
int speed = adev->dma_mode - XFER_MW_DMA_0;
int drive_pci = sis_old_port_base(adev);
u8 timing;
@@ -464,32 +481,34 @@ static void sis_133_early_set_dmamode (struct ata_port *ap, struct ata_device *a
static void sis_133_set_dmamode (struct ata_port *ap, struct ata_device *adev)
{
- struct pci_dev *pdev = to_pci_dev(ap->host->dev);
- int speed = adev->dma_mode - XFER_MW_DMA_0;
- int port = 0x40;
+ struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+ int port;
u32 t1;
- u32 reg54;
-
- /* bits 4- cycle time 8 - cvs time */
- static const u32 timing_u100[] = { 0x6B0, 0x470, 0x350, 0x140, 0x120, 0x110, 0x000 };
- static const u32 timing_u133[] = { 0x9F0, 0x6A0, 0x470, 0x250, 0x230, 0x220, 0x210 };
-
- /* If bit 14 is set then the registers are mapped at 0x70 not 0x40 */
- pci_read_config_dword(pdev, 0x54, &reg54);
- if (reg54 & 0x40000000)
- port = 0x70;
- port += (8 * ap->port_no) + (4 * adev->devno);
+ port = sis_port_base(adev);
pci_read_config_dword(pdev, port, &t1);
if (adev->dma_mode < XFER_UDMA_0) {
+ /* Recovery << 24 | Act << 16 | Ini << 12, like PIO modes */
+ static const u32 timing_u100[] = { 0x19154000, 0x06072000, 0x04062000 };
+ static const u32 timing_u133[] = { 0x221C6000, 0x0C0A3000, 0x05093000 };
+ int speed = adev->dma_mode - XFER_MW_DMA_0;
+
+ t1 &= 0xC0C00FFF;
+ /* disable UDMA */
t1 &= ~0x00000004;
- /* FIXME: need data sheet to add MWDMA here. Also lacking on
- ide/pci driver */
+ if (t1 & 0x08)
+ t1 |= timing_u133[speed];
+ else
+ t1 |= timing_u100[speed];
} else {
- speed = adev->dma_mode - XFER_UDMA_0;
- /* if & 8 no UDMA133 - need info for ... */
+ /* bits 4- cycle time 8 - cvs time */
+ static const u32 timing_u100[] = { 0x6B0, 0x470, 0x350, 0x140, 0x120, 0x110, 0x000 };
+ static const u32 timing_u133[] = { 0x9F0, 0x6A0, 0x470, 0x250, 0x230, 0x220, 0x210 };
+ int speed = adev->dma_mode - XFER_UDMA_0;
+
t1 &= ~0x00000FF0;
+ /* enable UDMA */
t1 |= 0x00000004;
if (t1 & 0x08)
t1 |= timing_u133[speed];
@@ -499,6 +518,27 @@ static void sis_133_set_dmamode (struct ata_port *ap, struct ata_device *adev)
pci_write_config_dword(pdev, port, t1);
}
+/**
+ * sis_133_mode_filter - mode selection filter
+ * @adev: ATA device
+ *
+ * Block UDMA6 on devices that do not support it.
+ */
+
+static unsigned long sis_133_mode_filter(struct ata_device *adev, unsigned long mask)
+{
+ struct ata_port *ap = adev->link->ap;
+ struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+ int port = sis_port_base(adev);
+ u32 t1;
+
+ pci_read_config_dword(pdev, port, &t1);
+ /* if ATA133 is disabled, mask it out */
+ if (!(t1 & 0x08))
+ mask &= ~(0xC0 << ATA_SHIFT_UDMA);
+ return mask;
+}
+
static struct scsi_host_template sis_sht = {
ATA_BMDMA_SHT(DRV_NAME),
};
@@ -520,6 +560,7 @@ static struct ata_port_operations sis_133_ops = {
.set_piomode = sis_133_set_piomode,
.set_dmamode = sis_133_set_dmamode,
.cable_detect = sis_133_cable_detect,
+ .mode_filter = sis_133_mode_filter,
};
static struct ata_port_operations sis_133_early_ops = {
@@ -588,7 +629,7 @@ static const struct ata_port_info sis_info100_early = {
static const struct ata_port_info sis_info133 = {
.flags = ATA_FLAG_SLAVE_POSS,
.pio_mask = ATA_PIO4,
- /* No MWDMA */
+ .mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA6,
.port_ops = &sis_133_ops,
};
@@ -669,7 +710,7 @@ static void sis_fixup(struct pci_dev *pdev, struct sis_chipset *sis)
* @pdev: PCI device to register
* @ent: Entry in sis_pci_tbl matching with @pdev
*
- * Called from kernel PCI layer. We probe for combined mode (sigh),
+ * Called from kernel PCI layer. We probe for combined mode (sigh),
* and then hand over control to libata, for it to do the rest.
*
* LOCKING:
@@ -769,17 +810,20 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
switch(trueid) {
case 0x5518: /* SIS 962/963 */
+ dev_info(&pdev->dev,
+ "SiS 962/963 MuTIOL IDE UDMA133 controller\n");
chipset = &sis133;
if ((idemisc & 0x40000000) == 0) {
pci_write_config_dword(pdev, 0x54, idemisc | 0x40000000);
- printk(KERN_INFO "SIS5513: Switching to 5513 register mapping\n");
+ dev_info(&pdev->dev,
+ "Switching to 5513 register mapping\n");
}
break;
case 0x0180: /* SIS 965/965L */
- chipset = &sis133;
+ chipset = &sis133;
break;
case 0x1180: /* SIS 966/966L */
- chipset = &sis133;
+ chipset = &sis133;
break;
}
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-30 19:59:53 +0000