diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-viapro.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-viapro.c | 22 |
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) |