diff options
Diffstat (limited to 'include/motion_sense.h')
| -rw-r--r-- | include/motion_sense.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/include/motion_sense.h b/include/motion_sense.h index 34da3f9ea5..0e9f79e422 100644 --- a/include/motion_sense.h +++ b/include/motion_sense.h @@ -12,6 +12,7 @@ #include "common.h" #include "ec_commands.h" #include "gpio.h" +#include "i2c.h" #include "math_util.h" #include "queue.h" #include "timer.h" @@ -81,6 +82,24 @@ enum sensor_config { #endif /* + * I2C/SPI Slave Address encoding for motion sensors + * - The generic defines, I2C_ADDR_MASK and I2C_IS_BIG_ENDIAN_MASK + * are defined in i2c.h. + * - Motion sensors support some sensors on the SPI bus, so this + * overloads the I2C Address to use a single bit to indicate + * it is a SPI address instead of an I2C. Since SPI does not + * use slave addressing, it is up to the driver to use this + * field as it sees fit + */ +#define SLAVE_MK_I2C_ADDR__7bf(x__7b) (x__7b) +#define SLAVE_MK_SPI_ADDR__7bf(x__7b) ((x__7b) | I2C_FLAG_ADDR_IS_SPI) + +#define SLAVE_GET_I2C_ADDR__7b(x__7bf) (I2C_GET_ADDR__7b(x__7bf)) +#define SLAVE_GET_SPI_ADDR__7b(x__7bf) ((x__7bf) & I2C_ADDR_MASK) + +#define SLAVE_IS_SPI(x__7bf) ((x__7bf) & I2C_FLAG_ADDR_IS_SPI) + +/* * Define the frequency to use in max_frequency based on the maximal frequency * the sensor support and what the EC can provide. * Return a frequency the sensor supports. @@ -131,7 +150,7 @@ struct motion_sensor_t { /* i2c port */ uint8_t port; /* i2c address or SPI slave logic GPIO. */ - uint8_t addr; + uint16_t i2c_spi_addr__7bf; /* * Various flags, see MOTIONSENSE_FLAG_* |