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authorKevin K Wong <kevin.k.wong@intel.com>2016-03-30 16:42:40 -0700
committerchrome-bot <chrome-bot@chromium.org>2016-03-31 21:35:56 -0700
commit6711629163f23a98099d8c6d37f6cdb1ef56ca52 (patch)
tree9529c236985d9ad64d23c4d0b1b8328d1be81b8f /driver/accelgyro_lsm6ds0.c
parent59c03bc4c644b0f0bbf3c6807a97755b7509b319 (diff)
downloadchrome-ec-6711629163f23a98099d8c6d37f6cdb1ef56ca52.tar.gz
sensor: update sensor driver to use I2C port from motion_sensor_t
this allow motion sensor devices to be locate on different I2C port BUG=none BRANCH=none TEST=make buildall Change-Id: Ia7ba2f5729ebb19561768ec87fdb267e79aafb6a Signed-off-by: Kevin K Wong <kevin.k.wong@intel.com> Reviewed-on: https://chromium-review.googlesource.com/334269 Reviewed-by: Shawn N <shawnn@chromium.org>
Diffstat (limited to 'driver/accelgyro_lsm6ds0.c')
-rw-r--r--driver/accelgyro_lsm6ds0.c38
1 files changed, 20 insertions, 18 deletions
diff --git a/driver/accelgyro_lsm6ds0.c b/driver/accelgyro_lsm6ds0.c
index 62996825ac..7948e651ce 100644
--- a/driver/accelgyro_lsm6ds0.c
+++ b/driver/accelgyro_lsm6ds0.c
@@ -150,17 +150,19 @@ static int get_engineering_val(const int reg_val,
/**
* Read register from accelerometer.
*/
-static inline int raw_read8(const int addr, const int reg, int *data_ptr)
+static inline int raw_read8(const int port, const int addr, const int reg,
+ int *data_ptr)
{
- return i2c_read8(I2C_PORT_ACCEL, addr, reg, data_ptr);
+ return i2c_read8(port, addr, reg, data_ptr);
}
/**
* Write register from accelerometer.
*/
-static inline int raw_write8(const int addr, const int reg, int data)
+static inline int raw_write8(const int port, const int addr, const int reg,
+ int data)
{
- return i2c_write8(I2C_PORT_ACCEL, addr, reg, data);
+ return i2c_write8(port, addr, reg, data);
}
static int set_range(const struct motion_sensor_t *s,
@@ -183,12 +185,12 @@ static int set_range(const struct motion_sensor_t *s,
*/
mutex_lock(s->mutex);
- ret = raw_read8(s->addr, ctrl_reg, &ctrl_val);
+ ret = raw_read8(s->port, s->addr, ctrl_reg, &ctrl_val);
if (ret != EC_SUCCESS)
goto accel_cleanup;
ctrl_val = (ctrl_val & ~LSM6DS0_RANGE_MASK) | reg_val;
- ret = raw_write8(s->addr, ctrl_reg, ctrl_val);
+ ret = raw_write8(s->port, s->addr, ctrl_reg, ctrl_val);
/* Now that we have set the range, update the driver's value. */
if (ret == EC_SUCCESS)
@@ -239,12 +241,12 @@ static int set_data_rate(const struct motion_sensor_t *s,
*/
mutex_lock(s->mutex);
- ret = raw_read8(s->addr, ctrl_reg, &val);
+ ret = raw_read8(s->port, s->addr, ctrl_reg, &val);
if (ret != EC_SUCCESS)
goto accel_cleanup;
val = (val & ~LSM6DS0_ODR_MASK) | reg_val;
- ret = raw_write8(s->addr, ctrl_reg, val);
+ ret = raw_write8(s->port, s->addr, ctrl_reg, val);
/* Now that we have set the odr, update the driver's value. */
if (ret == EC_SUCCESS)
@@ -259,14 +261,14 @@ static int set_data_rate(const struct motion_sensor_t *s,
* Table 48 Gyroscope high-pass filter cutoff frequency
*/
if (MOTIONSENSE_TYPE_GYRO == s->type) {
- ret = raw_read8(s->addr, LSM6DS0_CTRL_REG3_G, &val);
+ ret = raw_read8(s->port, s->addr, LSM6DS0_CTRL_REG3_G, &val);
if (ret != EC_SUCCESS)
goto accel_cleanup;
val &= ~(0x3 << 4); /* clear bit [5:4] */
val = (rate > 119000) ?
(val | (1<<7)) /* set high-power mode */ :
(val & ~(1<<7)); /* set low-power mode */
- ret = raw_write8(s->addr, LSM6DS0_CTRL_REG3_G, val);
+ ret = raw_write8(s->port, s->addr, LSM6DS0_CTRL_REG3_G, val);
}
accel_cleanup:
@@ -318,7 +320,7 @@ static int is_data_ready(const struct motion_sensor_t *s, int *ready)
{
int ret, tmp;
- ret = raw_read8(s->addr, LSM6DS0_STATUS_REG, &tmp);
+ ret = raw_read8(s->port, s->addr, LSM6DS0_STATUS_REG, &tmp);
if (ret != EC_SUCCESS) {
CPRINTF("[%T %s type:0x%X RS Error]", s->name, s->type);
@@ -358,10 +360,10 @@ static int read(const struct motion_sensor_t *s, vector_3_t v)
xyz_reg = get_xyz_reg(s->type);
/* Read 6 bytes starting at xyz_reg */
- i2c_lock(I2C_PORT_ACCEL, 1);
- ret = i2c_xfer(I2C_PORT_ACCEL, s->addr,
+ i2c_lock(s->port, 1);
+ ret = i2c_xfer(s->port, s->addr,
&xyz_reg, 1, raw, 6, I2C_XFER_SINGLE);
- i2c_lock(I2C_PORT_ACCEL, 0);
+ i2c_lock(s->port, 0);
if (ret != EC_SUCCESS) {
CPRINTF("[%T %s type:0x%X RD XYZ Error]",
@@ -386,7 +388,7 @@ static int init(const struct motion_sensor_t *s)
{
int ret = 0, tmp;
- ret = raw_read8(s->addr, LSM6DS0_WHO_AM_I_REG, &tmp);
+ ret = raw_read8(s->port, s->addr, LSM6DS0_WHO_AM_I_REG, &tmp);
if (ret)
return EC_ERROR_UNKNOWN;
@@ -408,20 +410,20 @@ static int init(const struct motion_sensor_t *s)
if (MOTIONSENSE_TYPE_ACCEL == s->type) {
mutex_lock(s->mutex);
- ret = raw_read8(s->addr, LSM6DS0_CTRL_REG8, &tmp);
+ ret = raw_read8(s->port, s->addr, LSM6DS0_CTRL_REG8, &tmp);
if (ret) {
mutex_unlock(s->mutex);
return EC_ERROR_UNKNOWN;
}
tmp |= (1 | LSM6DS0_BDU_ENABLE);
- ret = raw_write8(s->addr, LSM6DS0_CTRL_REG8, tmp);
+ ret = raw_write8(s->port, s->addr, LSM6DS0_CTRL_REG8, tmp);
mutex_unlock(s->mutex);
if (ret)
return EC_ERROR_UNKNOWN;
/* Power Down Gyro */
- ret = raw_write8(s->addr,
+ ret = raw_write8(s->port, s->addr,
LSM6DS0_CTRL_REG1_G, 0x0);
if (ret)
return EC_ERROR_UNKNOWN;