diff options
| -rw-r--r-- | drivers/i2c/busses/i2c-i801.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 715f6d51d09c..1fc006a1d532 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -166,7 +166,7 @@ #define I801_BYTE 0x04 #define I801_BYTE_DATA 0x08 #define I801_WORD_DATA 0x0C -#define I801_PROC_CALL 0x10 /* unimplemented */ +#define I801_PROC_CALL 0x10 #define I801_BLOCK_DATA 0x14 #define I801_I2C_BLOCK_DATA 0x18 /* ICH5 and later */ #define I801_BLOCK_PROC_CALL 0x1C @@ -838,6 +838,14 @@ static s32 i801_access(struct i2c_adapter *adap, u16 addr, } xact = I801_WORD_DATA; break; + case I2C_SMBUS_PROC_CALL: + outb_p((addr & 0x7f) << 1, SMBHSTADD(priv)); + outb_p(command, SMBHSTCMD(priv)); + outb_p(data->word & 0xff, SMBHSTDAT0(priv)); + outb_p((data->word & 0xff00) >> 8, SMBHSTDAT1(priv)); + xact = I801_PROC_CALL; + read_write = I2C_SMBUS_READ; + break; case I2C_SMBUS_BLOCK_DATA: outb_p(((addr & 0x7f) << 1) | (read_write & 0x01), SMBHSTADD(priv)); @@ -910,6 +918,7 @@ static s32 i801_access(struct i2c_adapter *adap, u16 addr, data->byte = inb_p(SMBHSTDAT0(priv)); break; case I801_WORD_DATA: + case I801_PROC_CALL: data->word = inb_p(SMBHSTDAT0(priv)) + (inb_p(SMBHSTDAT1(priv)) << 8); break; @@ -935,6 +944,7 @@ static u32 i801_func(struct i2c_adapter *adapter) return I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA | + I2C_FUNC_SMBUS_PROC_CALL | I2C_FUNC_SMBUS_BLOCK_DATA | I2C_FUNC_SMBUS_WRITE_I2C_BLOCK | ((priv->features & FEATURE_SMBUS_PEC) ? I2C_FUNC_SMBUS_PEC : 0) | ((priv->features & FEATURE_BLOCK_PROC) ? |