| /* Copyright 2015 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. |
| * |
| * TI OPT3001 light sensor driver |
| */ |
| |
| #ifndef __CROS_EC_ALS_OPT3001_H |
| #define __CROS_EC_ALS_OPT3001_H |
| |
| /* I2C interface */ |
| #define OPT3001_I2C_ADDR1 (0x44 << 1) |
| #define OPT3001_I2C_ADDR2 (0x45 << 1) |
| #define OPT3001_I2C_ADDR3 (0x46 << 1) |
| #define OPT3001_I2C_ADDR4 (0x47 << 1) |
| |
| /* OPT3001 registers */ |
| #define OPT3001_REG_RESULT 0x00 |
| #define OPT3001_REG_CONFIGURE 0x01 |
| #define OPT3001_RANGE_OFFSET 12 |
| #define OPT3001_RANGE_MASK 0x0fff |
| #define OPT3001_MODE_OFFSET 9 |
| #define OPT3001_MODE_MASK 0xf9ff |
| enum opt3001_mode { |
| OPT3001_MODE_SUSPEND, |
| OPT3001_MODE_FORCED, |
| OPT3001_MODE_CONTINUOUS, |
| }; |
| |
| #define OPT3001_REG_INT_LIMIT_LSB 0x02 |
| #define OPT3001_REG_INT_LIMIT_MSB 0x03 |
| #define OPT3001_REG_MAN_ID 0x7e |
| #define OPT3001_REG_DEV_ID 0x7f |
| |
| /* OPT3001 register values */ |
| #define OPT3001_MANUFACTURER_ID 0x5449 |
| #define OPT3001_DEVICE_ID 0x3001 |
| |
| #ifdef HAS_TASK_ALS |
| int opt3001_init(void); |
| int opt3001_read_lux(int *lux, int af); |
| #else |
| /* OPT3001 Full-Scale Range */ |
| enum opt3001_range { |
| OPT3001_RANGE_40P95_LUX, |
| OPT3001_RANGE_81P90_LUX, |
| OPT3001_RANGE_163P80_LUX, |
| OPT3001_RANGE_327P60_LUX, |
| OPT3001_RANGE_655P20_LUX, |
| OPT3001_RANGE_1310P40_LUX, |
| OPT3001_RANGE_2620P80_LUX, |
| OPT3001_RANGE_5241P60_LUX, |
| OPT3001_RANGE_10483P20_LUX, |
| OPT3001_RANGE_20966P40_LUX, |
| OPT3001_RANGE_41932P80_LUX, |
| OPT3001_RANGE_83865P60_LUX, |
| OPT3001_RANGE_AUTOMATIC_FULL_SCALE, |
| }; |
| |
| #define OPT3001_GET_DATA(_s) ((struct opt3001_drv_data_t *)(_s)->drv_data) |
| |
| struct opt3001_drv_data_t { |
| enum opt3001_range range; |
| int rate; |
| int last_value; |
| int attenuation; |
| }; |
| |
| extern const struct accelgyro_drv opt3001_drv; |
| #endif |
| |
| #ifdef CONFIG_CMD_I2C_STRESS_TEST_ALS |
| extern struct i2c_stress_test_dev opt3001_i2c_stress_test_dev; |
| #endif |
| |
| #endif /* __CROS_EC_ALS_OPT3001_H */ |