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Diffstat (limited to 'include/driver/als_tcs3400_public.h')
| -rw-r--r-- | include/driver/als_tcs3400_public.h | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/include/driver/als_tcs3400_public.h b/include/driver/als_tcs3400_public.h deleted file mode 100644 index 812aeda8d3..0000000000 --- a/include/driver/als_tcs3400_public.h +++ /dev/null @@ -1,75 +0,0 @@ -/* Copyright 2021 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. - * - * AMS TCS3400 light sensor driver - */ - -#ifndef __CROS_EC_DRIVER_ALS_TCS3400_PUBLIC_H -#define __CROS_EC_DRIVER_ALS_TCS3400_PUBLIC_H - -#include "accelgyro.h" - -/* I2C Interface */ -#define TCS3400_I2C_ADDR_FLAGS 0x39 - -/* NOTE: The higher the ATIME value in reg, the shorter the accumulation time */ -#define TCS_MIN_ATIME 0x00 /* 712 ms */ -#define TCS_MAX_ATIME 0x70 /* 400 ms */ -#define TCS_ATIME_GRANULARITY 256 /* 256 atime settings */ -#define TCS_SATURATION_LEVEL 0xffff /* for 0 < atime < 0x70 */ -#define TCS_DEFAULT_ATIME TCS_MIN_ATIME /* 712 ms */ -#define TCS_CALIBRATION_ATIME TCS_MIN_ATIME -#define TCS_GAIN_UPSHIFT_ATIME TCS_MAX_ATIME - -/* Number of different ranges supported for atime adjustment support */ -#define TCS_MAX_ATIME_RANGES 13 -#define TCS_GAIN_TABLE_MAX_LUX 12999 -#define TCS_ATIME_GAIN_FACTOR 100 /* table values are 100x actual value */ - -#define TCS_MIN_AGAIN 0x00 /* 1x gain */ -#define TCS_MAX_AGAIN 0x03 /* 64x gain */ -#define TCS_CALIBRATION_AGAIN 0x02 /* 16x gain */ -#define TCS_DEFAULT_AGAIN TCS_CALIBRATION_AGAIN - -#define TCS_MAX_INTEGRATION_TIME 2780 /* 2780us */ -#define TCS_ATIME_DEC_STEP 5 -#define TCS_ATIME_INC_STEP TCS_GAIN_UPSHIFT_ATIME - -/* Min and Max sampling frequency in mHz */ -#define TCS3400_LIGHT_MIN_FREQ 149 -#define TCS3400_LIGHT_MAX_FREQ 1000 -#if (CONFIG_EC_MAX_SENSOR_FREQ_MILLIHZ <= TCS3400_LIGHT_MAX_FREQ) -#error "EC too slow for light sensor" -#endif - -/* saturation auto-adjustment */ -struct tcs_saturation_t { - /* - * Gain Scaling; must be value between 0 and 3 - * 0 - 1x scaling - * 1 - 4x scaling - * 2 - 16x scaling - * 3 - 64x scaling - */ - uint8_t again; - - /* Acquisition Time, controlled by the ATIME register */ - uint8_t atime; /* ATIME register setting */ -}; - -/* tcs3400 rgb als driver data */ -struct tcs3400_rgb_drv_data_t { - uint8_t calibration_mode;/* 0 = normal run mode, 1 = calibration mode */ - - struct rgb_calibration_t calibration; - struct tcs_saturation_t saturation; /* saturation adjustment */ -}; - -extern const struct accelgyro_drv tcs3400_drv; -extern const struct accelgyro_drv tcs3400_rgb_drv; - -void tcs3400_interrupt(enum gpio_signal signal); -int tcs3400_get_integration_time(int atime); - -#endif /* __CROS_EC_DRIVER_ALS_TCS3400_PUBLIC_H */ |