On 25/02/15 15:55, Vianney le Clément de Saint-Marcq wrote:
> Add symbols for all accessible RAM and EEPROM registers, as well as the
> sleep command and timings defined in the datasheet.
>
> Signed-off-by: Vianney le Clément de Saint-Marcq <vianney.leclement@xxxxxxxxxxxxx>
> Cc: Arnout Vandecappelle (Essensium/Mind) <arnout@xxxxxxx>
Nothing controversial in here.
Applied to the togreg branch of iio.git - initially pushed out as
testing for the autobuilders to play with it.
Thanks,
Jonathan
> ---
> drivers/iio/temperature/mlx90614.c | 26 +++++++++++++++++++++++++-
> 1 file changed, 25 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/iio/temperature/mlx90614.c b/drivers/iio/temperature/mlx90614.c
> index e2c6f1a..a2e3aa6 100644
> --- a/drivers/iio/temperature/mlx90614.c
> +++ b/drivers/iio/temperature/mlx90614.c
> @@ -20,11 +20,35 @@
>
> #include <linux/iio/iio.h>
>
> -#define MLX90614_OP_RAM 0x00
> +#define MLX90614_OP_RAM 0x00
> +#define MLX90614_OP_EEPROM 0x20
> +#define MLX90614_OP_SLEEP 0xff
>
> /* RAM offsets with 16-bit data, MSB first */
> +#define MLX90614_RAW1 (MLX90614_OP_RAM | 0x04) /* raw data IR channel 1 */
> +#define MLX90614_RAW2 (MLX90614_OP_RAM | 0x05) /* raw data IR channel 2 */
> #define MLX90614_TA (MLX90614_OP_RAM | 0x06) /* ambient temperature */
> #define MLX90614_TOBJ1 (MLX90614_OP_RAM | 0x07) /* object 1 temperature */
> +#define MLX90614_TOBJ2 (MLX90614_OP_RAM | 0x08) /* object 2 temperature */
> +
> +/* EEPROM offsets with 16-bit data, MSB first */
> +#define MLX90614_EMISSIVITY (MLX90614_OP_EEPROM | 0x04) /* emissivity correction coefficient */
> +#define MLX90614_CONFIG (MLX90614_OP_EEPROM | 0x05) /* configuration register */
> +
> +/* Control bits in configuration register */
> +#define MLX90614_CONFIG_IIR_SHIFT 0 /* IIR coefficient */
> +#define MLX90614_CONFIG_IIR_MASK (0x7 << MLX90614_CONFIG_IIR_SHIFT)
> +#define MLX90614_CONFIG_DUAL_SHIFT 6 /* single (0) or dual (1) IR sensor */
> +#define MLX90614_CONFIG_DUAL_MASK (1 << MLX90614_CONFIG_DUAL_SHIFT)
> +#define MLX90614_CONFIG_FIR_SHIFT 8 /* FIR coefficient */
> +#define MLX90614_CONFIG_FIR_MASK (0x7 << MLX90614_CONFIG_FIR_SHIFT)
> +#define MLX90614_CONFIG_GAIN_SHIFT 11 /* gain */
> +#define MLX90614_CONFIG_GAIN_MASK (0x7 << MLX90614_CONFIG_GAIN_SHIFT)
> +
> +/* Timings (in ms) */
> +#define MLX90614_TIMING_EEPROM 20 /* time for EEPROM write/erase to complete */
> +#define MLX90614_TIMING_WAKEUP 34 /* time to hold SDA low for wake-up */
> +#define MLX90614_TIMING_STARTUP 250 /* time before first data after wake-up */
>
> struct mlx90614_data {
> struct i2c_client *client;
>
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