diff options
Diffstat (limited to 'driver/als_bh1730.h')
| -rw-r--r-- | driver/als_bh1730.h | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/driver/als_bh1730.h b/driver/als_bh1730.h deleted file mode 100644 index f49afac76f..0000000000 --- a/driver/als_bh1730.h +++ /dev/null @@ -1,97 +0,0 @@ -/* Copyright 2017 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - * - * Rohm BH1730 Ambient light sensor driver - */ - -#ifndef __CROS_EC_ALS_BH1730_H -#define __CROS_EC_ALS_BH1730_H - -/* I2C interface */ -#define BH1730_I2C_ADDR_FLAGS 0x29 - -/* BH1730 registers */ -#define BH1730_CONTROL 0x80 -#define BH1730_TIMING 0x81 -#define BH1730_INTERRUPT 0x82 -#define BH1730_THLLOW 0x83 -#define BH1730_THLHIGH 0x84 -#define BH1730_THHLOW 0x85 -#define BH1730_THHHIGH 0x86 -#define BH1730_GAIN 0x87 -#define BH1730_OPART_ID 0x92 -#define BH1730_DATA0LOW 0x94 -#define BH1730_DATA0HIGH 0x95 -#define BH1730_DATA1LOW 0x96 -#define BH1730_DATA1HIGH 0x97 -/* Software reset */ -#define BH1730_RESET 0xE4 - -/* Registers bits */ -#define BH1730_CONTROL_ADC_INTR_INACTIVE (0x00 << 5) -#define BH1730_CONTROL_ADC_INTR_ACTIVE (0x01 << 5) -#define BH1730_CONTROL_ADC_VALID (0x01 << 4) -#define BH1730_CONTROL_ONE_TIME_CONTINOUS (0x00 << 3) -#define BH1730_CONTROL_ONE_TIME_ONETIME (0x01 << 3) -#define BH1730_CONTROL_DATA_SEL_TYPE0_AND_1 (0x00 << 2) -#define BH1730_CONTROL_DATA_SEL_TYPE0 (0x01 << 2) -#define BH1730_CONTROL_ADC_EN_DISABLE (0x00 << 1) -#define BH1730_CONTROL_ADC_EN_ENABLE (0x01 << 1) -#define BH1730_CONTROL_POWER_DISABLE (0x00 << 0) -#define BH1730_CONTROL_POWER_ENABLE (0x01 << 0) - -#define BH1730_GAIN_GAIN_X1_GAIN (0x00 << 0) -#define BH1730_GAIN_GAIN_X2_GAIN (0x01 << 0) -#define BH1730_GAIN_GAIN_X64_GAIN (0x02 << 0) -#define BH1730_GAIN_GAIN_X128_GAIN (0x03 << 0) - -/* Sensor configuration */ -/* Select Gain */ -#define BH1730_CONF_GAIN BH1730_GAIN_GAIN_X64_GAIN -#define BH1730_GAIN_DIV 64 - -/* Select Itime, 0xDA is 102.6ms = 38*2.7ms */ -#define BH1730_CONF_ITIME 0xDA -#define ITIME_MS_X_10 ((256 - BH1730_CONF_ITIME) * 27) -#define ITIME_MS_X_1K (ITIME_MS_X_10*100) - -/* default Itime is about 10Hz */ -#define BH1730_10000_MHZ (10*1000) -#define BH1730_MAX_FREQ BH1730_10000_MHZ -/* - * 10Hz is too fast for the AP: allow the AP query data less often, the EC will - * downsample. - */ -#define BH1730_MIN_FREQ (BH1730_MAX_FREQ / 100) - -/* - * Use default lux calculation formula parameters if board specific - * parameters are not defined. - */ -#ifndef CONFIG_ALS_BH1730_LUXTH_PARAMS -#define BH1730_LUXTH1_1K 260 -#define BH1730_LUXTH1_D0_1K 1290 -#define BH1730_LUXTH1_D1_1K 2733 -#define BH1730_LUXTH2_1K 550 -#define BH1730_LUXTH2_D0_1K 797 -#define BH1730_LUXTH2_D1_1K 859 -#define BH1730_LUXTH3_1K 1090 -#define BH1730_LUXTH3_D0_1K 510 -#define BH1730_LUXTH3_D1_1K 345 -#define BH1730_LUXTH4_1K 2130 -#define BH1730_LUXTH4_D0_1K 276 -#define BH1730_LUXTH4_D1_1K 130 -#endif - -#define BH1730_GET_DATA(_s) ((struct bh1730_drv_data_t *)(_s)->drv_data) - -struct bh1730_drv_data_t { - int rate; - int last_value; -}; - -extern const struct accelgyro_drv bh1730_drv; - -#endif /* __CROS_EC_ALS_BH1730_H */ - |