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Embedded Linux Audio
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/* * Copyright (c) 2017 Intel Corporation * Copyright (c) 2018 PHYTEC Messtechnik GmbH * * SPDX-License-Identifier: Apache-2.0 */ #ifndef ZEPHYR_DRIVERS_SENSOR_APDS9960_APDS9960_H_ #define ZEPHYR_DRIVERS_SENSOR_APDS9960_APDS9960_H_ #include <drivers/gpio.h> #define APDS9960_ENABLE_REG 0x80 #define APDS9960_ENABLE_GEN BIT(6) #define APDS9960_ENABLE_PIEN BIT(5) #define APDS9960_ENABLE_AIEN BIT(4) #define APDS9960_ENABLE_WEN BIT(3) #define APDS9960_ENABLE_PEN BIT(2) #define APDS9960_ENABLE_AEN BIT(1) #define APDS9960_ENABLE_PON BIT(0) #define APDS9960_ATIME_REG 0x81 #define APDS9960_WTIME_REG 0x83 #define APDS9960_INT_AILTL_REG 0x84 #define APDS9960_INT_AILTH_REG 0x85 #define APDS9960_INT_AIHTL_REG 0x86 #define APDS9960_INT_AIHTH_REG 0x87 #define APDS9960_PILT_REG 0x89 #define APDS9960_PIHT_REG 0x8B #define APDS9960_PERS_REG 0x8C #define APDS9960_PERS_PPERS (BIT(4) | BIT(5) | BIT(6) | BIT(7)) #define APDS9960_APERS_MASK (BIT(0) | BIT(1) | BIT(2) | BIT(3)) #define APDS9960_CONFIG1_REG 0x8D #define APDS9960_CONFIG1_WLONG BIT(1) #define APDS9960_PPULSE_REG 0x8E #define APDS9960_PPULSE_LENGTH_4US 0 #define APDS9960_PPULSE_LENGTH_8US BIT(6) #define APDS9960_PPULSE_LENGTH_16US BIT(7) #define APDS9960_PPULSE_LENGTH_32US (BIT(7) | BIT(6)) #define APDS9960_CONTROL_REG 0x8F #define APDS9960_CONTROL_LDRIVE (BIT(6) | BIT(7)) #define APDS9960_CONTROL_PGAIN (BIT(3) | BIT(2)) #define APDS9960_CONTROL_AGAIN (BIT(0) | BIT(1)) /* LED Drive values */ #define APDS9960_LED_DRIVE_100MA 0 #define APDS9960_LED_DRIVE_50MA BIT(6) #define APDS9960_LED_DRIVE_25MA BIT(7) #define APDS9960_LED_DRIVE_12_5MA (BIT(6) | BIT(7)) /* Proximity Gain (PGAIN) values */ #define APDS9960_PGAIN_1X 0 #define APDS9960_PGAIN_2X BIT(2) #define APDS9960_PGAIN_4X BIT(3) #define APDS9960_PGAIN_8X (BIT(2) | BIT(3)) /* ALS Gain (AGAIN) values */ #define APDS9960_AGAIN_1X 0 #define APDS9960_AGAIN_4X BIT(0) #define APDS9960_AGAIN_16X BIT(1) #define APDS9960_AGAIN_64X (BIT(0) | BIT(1)) #define APDS9960_CONFIG2_REG 0x90 #define APDS9960_CONFIG2_CPSIEN BIT(6) #define APDS9960_CONFIG2_PSIEN BIT(7) /* LED Boost values */ #define APDS9960_PLED_BOOST_100 0 #define APDS9960_PLED_BOOST_150 BIT(4) #define APDS9960_PLED_BOOST_200 BIT(5) #define APDS9960_PLED_BOOST_300 (BIT(5) | BIT(4)) #define APDS9960_ID_REG 0x92 /* Acceptable device IDs */ #define APDS9960_ID_1 0xAB #define APDS9960_ID_2 0x9C #define APDS9960_STATUS_REG 0x93 #define APDS9960_STATUS_CPSAT BIT(7) #define APDS9960_STATUS_PGSAT BIT(6) #define APDS9960_STATUS_PINT BIT(5) #define APDS9960_STATUS_AINT BIT(4) #define APDS9960_STATUS_GINT BIT(2) #define APDS9960_STATUS_PVALID BIT(1) #define APDS9960_STATUS_AVALID BIT(0) #define APDS9960_CDATAL_REG 0x94 #define APDS9960_CDATAH_REG 0x95 #define APDS9960_RDATAL_REG 0x96 #define APDS9960_RDATAH_REG 0x97 #define APDS9960_GDATAL_REG 0x98 #define APDS9960_GDATAH_REG 0x99 #define APDS9960_BDATAL_REG 0x9A #define APDS9960_BDATAH_REG 0x9B #define APDS9960_PDATA_REG 0x9C #define APDS9960_POFFSET_UR_REG 0x9D #define APDS9960_POFFSET_DL_REG 0x9E #define APDS9960_CONFIG3_REG 0x9F #define APDS9960_CONFIG3_PCMP BIT(5) #define APDS9960_CONFIG3_SAI BIT(4) #define APDS9960_CONFIG3_PMSK_U BIT(3) #define APDS9960_CONFIG3_PMSK_D BIT(2) #define APDS9960_CONFIG3_PMSK_L BIT(1) #define APDS9960_CONFIG3_PMSK_R BIT(0) #define APDS9960_GPENTH_REG 0xA0 #define APDS9960_GEXTH_REG 0xA1 #define APDS9960_GCONFIG1_REG 0xA2 #define APDS9960_GCONFIG1_GFIFOTH (BIT(7) | BIT(6)) #define APDS9960_GCONFIG1_GEXMSK (BIT(5) | BIT(4) | BIT(3) | BIT(2)) #define APDS9960_GCONFIG1_GEXPERS (BIT(1) | BIT(0)) #define APDS9960_GCONFIG2_REG 0xA3 #define APDS9960_GCONFIG2_GGAIN (BIT(6) | BIT(5)) #define APDS9960_GCONFIG2_GLDRIVE (BIT(4) | BIT(3)) #define APDS9960_GCONFIG2_WTIME (BIT(2) | BIT(1) | BIT(0)) /* Gesture Gain (GGAIN) values */ #define APDS9960_GGAIN_1X 0 #define APDS9960_GGAIN_2X BIT(5) #define APDS9960_GGAIN_4X BIT(6) #define APDS9960_GGAIN_8X (BIT(6) | BIT(5)) /* Gesture LED Drive Strength values */ #define APDS9960_LED_GDRIVE_100MA 0 #define APDS9960_LED_GDRIVE_50MA BIT(3) #define APDS9960_LED_GDRIVE_25MA BIT(4) #define APDS9960_LED_GDRIVE_12_5MA (BIT(4) | BIT(3)) /* Gesture wait time values */ #define APDS9960_GWTIME_0MS 0 #define APDS9960_GWTIME_2_8MS 1 #define APDS9960_GWTIME_5_6MS 2 #define APDS9960_GWTIME_8_4MS 3 #define APDS9960_GWTIME_14_0MS 4 #define APDS9960_GWTIME_22_4MS 5 #define APDS9960_GWTIME_30_8MS 6 #define APDS9960_GWTIME_39_2MS 7 #define APDS9960_GOFFSET_U_REG 0xA4 #define APDS9960_GOFFSET_D_REG 0xA5 #define APDS9960_GOFFSET_L_REG 0xA7 #define APDS9960_GOFFSET_R_REG 0xA9 #define APDS9960_GPULSE_REG 0xA6 #define APDS9960_GPULSE_GPLEN (BIT(7) | BIT(6)) #define APDS9960_GPULSE_GPULSE (BIT(5) | BIT(4) | BIT(3) |\ BIT(2) | BIT(1) | BIT(0)) /* Gesture Pulse Length values */ #define APDS9960_GPLEN_0US 0 #define APDS9960_GPLEN_8US BIT(6) #define APDS9960_GPLEN_16US BIT(7) #define APDS9960_GPLEN_32US (BIT(7) | BIT(6)) #define APDS9960_GCONFIG3_REG 0xAA #define APDS9960_GCONFIG3_GDIMS (BIT(1) | BIT(0)) /* Gesture Registers */ #define APDS9960_GCONFIG4_REG 0xAB #define APDS9960_GCONFIG4_GFIFO_CLR BIT(2) #define APDS9960_GCONFIG4_GIEN BIT(1) #define APDS9960_GCONFIG4_GMODE BIT(0) #define APDS9960_GFLVL_REG 0xAE #define APDS9960_GSTATUS_REG 0xAF #define APDS9960_GSTATUS_GFOV BIT(1) #define APDS9960_GSTATUS_GVALID BIT(0) #define APDS9960_IFORCE_REG 0xE4 #define APDS9960_PICLEAR_REG 0xE5 #define APDS9960_CICLEAR_REG 0xE6 #define APDS9960_AICLEAR_REG 0xE7 #define APDS9960_GFIFO_U_REG 0xFC #define APDS9960_GFIFO_D_REG 0xFD #define APDS9960_GFIFO_L_REG 0xFE #define APDS9960_GFIFO_R_REG 0xFF /* Default values */ #define APDS9960_DEFAULT_ATIME 219 #define APDS9960_DEFAULT_WTIME 255 #define APDS9960_DEFAULT_CONFIG1 0x60 #define APDS9960_DEFAULT_PERS BIT(4) #define APDS9960_DEFAULT_CONFIG2 (BIT(6) | BIT(0)) #define APDS9960_DEFAULT_GESTURE_PPULSE 0x89 #define APDS9960_DEFAULT_POFFSET_UR 0 #define APDS9960_DEFAULT_POFFSET_DL 0 #define APDS9960_DEFAULT_LDRIVE APDS9960_LED_DRIVE_100MA #ifdef CONFIG_APDS9960_TRIGGER #define APDS9960_DEFAULT_PILT 0 #define APDS9960_DEFAULT_PIHT 50 #define APDS9960_DEFAULT_AILT 10 #define APDS9960_DEFAULT_AIHT 1000 #define APDS9960_DEFAULT_CONFIG3 0 #else #define APDS9960_DEFAULT_PILT 0 #define APDS9960_DEFAULT_PIHT 1 #define APDS9960_DEFAULT_AILT 0xFFFF #define APDS9960_DEFAULT_AIHT 0 #define APDS9960_DEFAULT_CONFIG3 APDS9960_CONFIG3_SAI #endif #define APDS9960_DEFAULT_GPENTH 40 #define APDS9960_DEFAULT_GEXTH 30 #define APDS9960_DEFAULT_GCONF1 0x40 #define APDS9960_DEFAULT_GGAIN APDS9960_GGAIN_4X #define APDS9960_DEFAULT_GLDRIVE APDS9960_LED_DRIVE_100MA #define APDS9960_DEFAULT_GWTIME APDS9960_GWTIME_2_8MS #define APDS9960_DEFAULT_GOFFSET 0 #define APDS9960_DEFAULT_GPULSE 0xC9 #define APDS9960_DEFAULT_GCONF3 0 struct apds9960_config { char *i2c_name; char *gpio_name; uint8_t gpio_pin; unsigned int gpio_flags; uint8_t i2c_address; uint8_t pgain; uint8_t again; uint8_t ppcount; uint8_t pled_boost; }; struct apds9960_data { const struct device *i2c; const struct device *gpio; struct gpio_callback gpio_cb; struct k_work work; const struct device *dev; uint16_t sample_crgb[4]; uint8_t pdata; uint8_t gpio_pin; #ifdef CONFIG_APDS9960_TRIGGER sensor_trigger_handler_t p_th_handler; struct sensor_trigger p_th_trigger; #else struct k_sem data_sem; #endif }; static inline void apds9960_setup_int(struct apds9960_data *drv_data, bool enable) { unsigned int flags = enable ? GPIO_INT_EDGE_TO_ACTIVE : GPIO_INT_DISABLE; gpio_pin_interrupt_configure(drv_data->gpio, drv_data->gpio_pin, flags); } #ifdef CONFIG_APDS9960_TRIGGER void apds9960_work_cb(struct k_work *work); int apds9960_attr_set(const struct device *dev, enum sensor_channel chan, enum sensor_attribute attr, const struct sensor_value *val); int apds9960_trigger_set(const struct device *dev, const struct sensor_trigger *trig, sensor_trigger_handler_t handler); #endif /* CONFIG_APDS9960_TRIGGER */ #endif /* ZEPHYR_DRIVERS_SENSOR_APDS9960_APDS9960_H_*/