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path: root/drivers/i2c/busses/i2c-viapro.c
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Diffstat (limited to 'drivers/i2c/busses/i2c-viapro.c')
-rw-r--r--drivers/i2c/busses/i2c-viapro.c22
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/i2c/busses/i2c-viapro.c b/drivers/i2c/busses/i2c-viapro.c
index 862eb352a2d9..9f194d9efd91 100644
--- a/drivers/i2c/busses/i2c-viapro.c
+++ b/drivers/i2c/busses/i2c-viapro.c
@@ -36,6 +36,7 @@
VT8237S 0x3372 yes
VT8251 0x3287 yes
CX700 0x8324 yes
+ VX800/VX820 0x8353 yes
Note: we assume there can only be one device, with one SMBus interface.
*/
@@ -82,6 +83,7 @@ static unsigned short SMBHSTCFG = 0xD2;
#define VT596_BYTE 0x04
#define VT596_BYTE_DATA 0x08
#define VT596_WORD_DATA 0x0C
+#define VT596_PROC_CALL 0x10
#define VT596_BLOCK_DATA 0x14
#define VT596_I2C_BLOCK_DATA 0x34
@@ -232,6 +234,12 @@ static s32 vt596_access(struct i2c_adapter *adap, u16 addr,
}
size = VT596_WORD_DATA;
break;
+ case I2C_SMBUS_PROC_CALL:
+ outb_p(command, SMBHSTCMD);
+ outb_p(data->word & 0xff, SMBHSTDAT0);
+ outb_p((data->word & 0xff00) >> 8, SMBHSTDAT1);
+ size = VT596_PROC_CALL;
+ break;
case I2C_SMBUS_I2C_BLOCK_DATA:
if (!(vt596_features & FEATURE_I2CBLOCK))
goto exit_unsupported;
@@ -262,6 +270,9 @@ static s32 vt596_access(struct i2c_adapter *adap, u16 addr,
if (status)
return status;
+ if (size == VT596_PROC_CALL)
+ read_write = I2C_SMBUS_READ;
+
if ((read_write == I2C_SMBUS_WRITE) || (size == VT596_QUICK))
return 0;
@@ -271,6 +282,7 @@ static s32 vt596_access(struct i2c_adapter *adap, u16 addr,
data->byte = inb_p(SMBHSTDAT0);
break;
case VT596_WORD_DATA:
+ case VT596_PROC_CALL:
data->word = inb_p(SMBHSTDAT0) + (inb_p(SMBHSTDAT1) << 8);
break;
case VT596_I2C_BLOCK_DATA:
@@ -295,7 +307,7 @@ static u32 vt596_func(struct i2c_adapter *adapter)
{
u32 func = I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE |
I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA |
- I2C_FUNC_SMBUS_BLOCK_DATA;
+ I2C_SMBUS_PROC_CALL | I2C_FUNC_SMBUS_BLOCK_DATA;
if (vt596_features & FEATURE_I2CBLOCK)
func |= I2C_FUNC_SMBUS_I2C_BLOCK;
@@ -320,10 +332,6 @@ static int __devinit vt596_probe(struct pci_dev *pdev,
unsigned char temp;
int error = -ENODEV;
- /* driver_data might come from user-space, so check it */
- if (id->driver_data & 1 || id->driver_data > 0xff)
- return -EINVAL;
-
/* Determine the address of the SMBus areas */
if (force_addr) {
vt596_smba = force_addr & 0xfff0;
@@ -396,6 +404,7 @@ found:
switch (pdev->device) {
case PCI_DEVICE_ID_VIA_CX700:
+ case PCI_DEVICE_ID_VIA_VX800:
case PCI_DEVICE_ID_VIA_8251:
case PCI_DEVICE_ID_VIA_8237:
case PCI_DEVICE_ID_VIA_8237A:
@@ -459,6 +468,8 @@ static struct pci_device_id vt596_ids[] = {
.driver_data = SMBBA3 },
{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_CX700),
.driver_data = SMBBA3 },
+ { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VX800),
+ .driver_data = SMBBA3 },
{ 0, }
};
@@ -468,7 +479,6 @@ static struct pci_driver vt596_driver = {
.name = "vt596_smbus",
.id_table = vt596_ids,
.probe = vt596_probe,
- .dynids.use_driver_data = 1,
};
static int __init i2c_vt596_init(void)