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path: root/drivers/i2c/busses/i2c-amd8111.c
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Diffstat (limited to 'drivers/i2c/busses/i2c-amd8111.c')
-rw-r--r--drivers/i2c/busses/i2c-amd8111.c268
1 files changed, 134 insertions, 134 deletions
diff --git a/drivers/i2c/busses/i2c-amd8111.c b/drivers/i2c/busses/i2c-amd8111.c
index 34862ad3423e..1ed7e945bb6d 100644
--- a/drivers/i2c/busses/i2c-amd8111.c
+++ b/drivers/i2c/busses/i2c-amd8111.c
@@ -186,9 +186,9 @@ static int amd_ec_write(struct amd_smbus *smbus, unsigned char address,
#define AMD_SMB_PRTCL_PEC 0x80
-static s32 amd8111_access(struct i2c_adapter * adap, u16 addr,
+static s32 amd8111_access(struct i2c_adapter *adap, u16 addr,
unsigned short flags, char read_write, u8 command, int size,
- union i2c_smbus_data * data)
+ union i2c_smbus_data *data)
{
struct amd_smbus *smbus = adap->algo_data;
unsigned char protocol, len, pec, temp[2];
@@ -199,130 +199,130 @@ static s32 amd8111_access(struct i2c_adapter * adap, u16 addr,
pec = (flags & I2C_CLIENT_PEC) ? AMD_SMB_PRTCL_PEC : 0;
switch (size) {
- case I2C_SMBUS_QUICK:
- protocol |= AMD_SMB_PRTCL_QUICK;
- read_write = I2C_SMBUS_WRITE;
- break;
-
- case I2C_SMBUS_BYTE:
- if (read_write == I2C_SMBUS_WRITE) {
- status = amd_ec_write(smbus, AMD_SMB_CMD,
- command);
- if (status)
- return status;
- }
- protocol |= AMD_SMB_PRTCL_BYTE;
- break;
-
- case I2C_SMBUS_BYTE_DATA:
- status = amd_ec_write(smbus, AMD_SMB_CMD, command);
+ case I2C_SMBUS_QUICK:
+ protocol |= AMD_SMB_PRTCL_QUICK;
+ read_write = I2C_SMBUS_WRITE;
+ break;
+
+ case I2C_SMBUS_BYTE:
+ if (read_write == I2C_SMBUS_WRITE) {
+ status = amd_ec_write(smbus, AMD_SMB_CMD,
+ command);
if (status)
return status;
- if (read_write == I2C_SMBUS_WRITE) {
- status = amd_ec_write(smbus, AMD_SMB_DATA,
- data->byte);
- if (status)
- return status;
- }
- protocol |= AMD_SMB_PRTCL_BYTE_DATA;
- break;
+ }
+ protocol |= AMD_SMB_PRTCL_BYTE;
+ break;
- case I2C_SMBUS_WORD_DATA:
- status = amd_ec_write(smbus, AMD_SMB_CMD, command);
+ case I2C_SMBUS_BYTE_DATA:
+ status = amd_ec_write(smbus, AMD_SMB_CMD, command);
+ if (status)
+ return status;
+ if (read_write == I2C_SMBUS_WRITE) {
+ status = amd_ec_write(smbus, AMD_SMB_DATA,
+ data->byte);
if (status)
return status;
- if (read_write == I2C_SMBUS_WRITE) {
- status = amd_ec_write(smbus, AMD_SMB_DATA,
- data->word & 0xff);
- if (status)
- return status;
- status = amd_ec_write(smbus, AMD_SMB_DATA + 1,
- data->word >> 8);
- if (status)
- return status;
- }
- protocol |= AMD_SMB_PRTCL_WORD_DATA | pec;
- break;
+ }
+ protocol |= AMD_SMB_PRTCL_BYTE_DATA;
+ break;
- case I2C_SMBUS_BLOCK_DATA:
- status = amd_ec_write(smbus, AMD_SMB_CMD, command);
- if (status)
- return status;
- if (read_write == I2C_SMBUS_WRITE) {
- len = min_t(u8, data->block[0],
- I2C_SMBUS_BLOCK_MAX);
- status = amd_ec_write(smbus, AMD_SMB_BCNT, len);
- if (status)
- return status;
- for (i = 0; i < len; i++) {
- status =
- amd_ec_write(smbus, AMD_SMB_DATA + i,
- data->block[i + 1]);
- if (status)
- return status;
- }
- }
- protocol |= AMD_SMB_PRTCL_BLOCK_DATA | pec;
- break;
-
- case I2C_SMBUS_I2C_BLOCK_DATA:
- len = min_t(u8, data->block[0],
- I2C_SMBUS_BLOCK_MAX);
- status = amd_ec_write(smbus, AMD_SMB_CMD, command);
- if (status)
- return status;
- status = amd_ec_write(smbus, AMD_SMB_BCNT, len);
- if (status)
- return status;
- if (read_write == I2C_SMBUS_WRITE)
- for (i = 0; i < len; i++) {
- status =
- amd_ec_write(smbus, AMD_SMB_DATA + i,
- data->block[i + 1]);
- if (status)
- return status;
- }
- protocol |= AMD_SMB_PRTCL_I2C_BLOCK_DATA;
- break;
-
- case I2C_SMBUS_PROC_CALL:
- status = amd_ec_write(smbus, AMD_SMB_CMD, command);
- if (status)
- return status;
+ case I2C_SMBUS_WORD_DATA:
+ status = amd_ec_write(smbus, AMD_SMB_CMD, command);
+ if (status)
+ return status;
+ if (read_write == I2C_SMBUS_WRITE) {
status = amd_ec_write(smbus, AMD_SMB_DATA,
- data->word & 0xff);
+ data->word & 0xff);
if (status)
return status;
status = amd_ec_write(smbus, AMD_SMB_DATA + 1,
- data->word >> 8);
+ data->word >> 8);
if (status)
return status;
- protocol = AMD_SMB_PRTCL_PROC_CALL | pec;
- read_write = I2C_SMBUS_READ;
- break;
+ }
+ protocol |= AMD_SMB_PRTCL_WORD_DATA | pec;
+ break;
- case I2C_SMBUS_BLOCK_PROC_CALL:
+ case I2C_SMBUS_BLOCK_DATA:
+ status = amd_ec_write(smbus, AMD_SMB_CMD, command);
+ if (status)
+ return status;
+ if (read_write == I2C_SMBUS_WRITE) {
len = min_t(u8, data->block[0],
- I2C_SMBUS_BLOCK_MAX - 1);
- status = amd_ec_write(smbus, AMD_SMB_CMD, command);
- if (status)
- return status;
+ I2C_SMBUS_BLOCK_MAX);
status = amd_ec_write(smbus, AMD_SMB_BCNT, len);
if (status)
return status;
for (i = 0; i < len; i++) {
- status = amd_ec_write(smbus, AMD_SMB_DATA + i,
- data->block[i + 1]);
+ status =
+ amd_ec_write(smbus, AMD_SMB_DATA + i,
+ data->block[i + 1]);
if (status)
return status;
}
- protocol = AMD_SMB_PRTCL_BLOCK_PROC_CALL | pec;
- read_write = I2C_SMBUS_READ;
- break;
+ }
+ protocol |= AMD_SMB_PRTCL_BLOCK_DATA | pec;
+ break;
+
+ case I2C_SMBUS_I2C_BLOCK_DATA:
+ len = min_t(u8, data->block[0],
+ I2C_SMBUS_BLOCK_MAX);
+ status = amd_ec_write(smbus, AMD_SMB_CMD, command);
+ if (status)
+ return status;
+ status = amd_ec_write(smbus, AMD_SMB_BCNT, len);
+ if (status)
+ return status;
+ if (read_write == I2C_SMBUS_WRITE)
+ for (i = 0; i < len; i++) {
+ status =
+ amd_ec_write(smbus, AMD_SMB_DATA + i,
+ data->block[i + 1]);
+ if (status)
+ return status;
+ }
+ protocol |= AMD_SMB_PRTCL_I2C_BLOCK_DATA;
+ break;
- default:
- dev_warn(&adap->dev, "Unsupported transaction %d\n", size);
- return -EOPNOTSUPP;
+ case I2C_SMBUS_PROC_CALL:
+ status = amd_ec_write(smbus, AMD_SMB_CMD, command);
+ if (status)
+ return status;
+ status = amd_ec_write(smbus, AMD_SMB_DATA,
+ data->word & 0xff);
+ if (status)
+ return status;
+ status = amd_ec_write(smbus, AMD_SMB_DATA + 1,
+ data->word >> 8);
+ if (status)
+ return status;
+ protocol = AMD_SMB_PRTCL_PROC_CALL | pec;
+ read_write = I2C_SMBUS_READ;
+ break;
+
+ case I2C_SMBUS_BLOCK_PROC_CALL:
+ len = min_t(u8, data->block[0],
+ I2C_SMBUS_BLOCK_MAX - 1);
+ status = amd_ec_write(smbus, AMD_SMB_CMD, command);
+ if (status)
+ return status;
+ status = amd_ec_write(smbus, AMD_SMB_BCNT, len);
+ if (status)
+ return status;
+ for (i = 0; i < len; i++) {
+ status = amd_ec_write(smbus, AMD_SMB_DATA + i,
+ data->block[i + 1]);
+ if (status)
+ return status;
+ }
+ protocol = AMD_SMB_PRTCL_BLOCK_PROC_CALL | pec;
+ read_write = I2C_SMBUS_READ;
+ break;
+
+ default:
+ dev_warn(&adap->dev, "Unsupported transaction %d\n", size);
+ return -EOPNOTSUPP;
}
status = amd_ec_write(smbus, AMD_SMB_ADDR, addr << 1);
@@ -357,40 +357,40 @@ static s32 amd8111_access(struct i2c_adapter * adap, u16 addr,
return 0;
switch (size) {
- case I2C_SMBUS_BYTE:
- case I2C_SMBUS_BYTE_DATA:
- status = amd_ec_read(smbus, AMD_SMB_DATA, &data->byte);
- if (status)
- return status;
- break;
+ case I2C_SMBUS_BYTE:
+ case I2C_SMBUS_BYTE_DATA:
+ status = amd_ec_read(smbus, AMD_SMB_DATA, &data->byte);
+ if (status)
+ return status;
+ break;
- case I2C_SMBUS_WORD_DATA:
- case I2C_SMBUS_PROC_CALL:
- status = amd_ec_read(smbus, AMD_SMB_DATA, temp + 0);
- if (status)
- return status;
- status = amd_ec_read(smbus, AMD_SMB_DATA + 1, temp + 1);
- if (status)
- return status;
- data->word = (temp[1] << 8) | temp[0];
- break;
+ case I2C_SMBUS_WORD_DATA:
+ case I2C_SMBUS_PROC_CALL:
+ status = amd_ec_read(smbus, AMD_SMB_DATA, temp + 0);
+ if (status)
+ return status;
+ status = amd_ec_read(smbus, AMD_SMB_DATA + 1, temp + 1);
+ if (status)
+ return status;
+ data->word = (temp[1] << 8) | temp[0];
+ break;
- case I2C_SMBUS_BLOCK_DATA:
- case I2C_SMBUS_BLOCK_PROC_CALL:
- status = amd_ec_read(smbus, AMD_SMB_BCNT, &len);
+ case I2C_SMBUS_BLOCK_DATA:
+ case I2C_SMBUS_BLOCK_PROC_CALL:
+ status = amd_ec_read(smbus, AMD_SMB_BCNT, &len);
+ if (status)
+ return status;
+ len = min_t(u8, len, I2C_SMBUS_BLOCK_MAX);
+ fallthrough;
+ case I2C_SMBUS_I2C_BLOCK_DATA:
+ for (i = 0; i < len; i++) {
+ status = amd_ec_read(smbus, AMD_SMB_DATA + i,
+ data->block + i + 1);
if (status)
return status;
- len = min_t(u8, len, I2C_SMBUS_BLOCK_MAX);
- fallthrough;
- case I2C_SMBUS_I2C_BLOCK_DATA:
- for (i = 0; i < len; i++) {
- status = amd_ec_read(smbus, AMD_SMB_DATA + i,
- data->block + i + 1);
- if (status)
- return status;
- }
- data->block[0] = len;
- break;
+ }
+ data->block[0] = len;
+ break;
}
return 0;
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-03 21:59:20 +0000