diff options
Diffstat (limited to 'driver/ina2xx.h')
| -rw-r--r-- | driver/ina2xx.h | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/driver/ina2xx.h b/driver/ina2xx.h deleted file mode 100644 index ec1e1ed92f..0000000000 --- a/driver/ina2xx.h +++ /dev/null @@ -1,123 +0,0 @@ -/* Copyright 2014 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 INA219/231 Current/Power monitor driver. - */ - -#ifndef __CROS_EC_INA2XX_H -#define __CROS_EC_INA2XX_H - -#define INA2XX_REG_CONFIG 0x00 -#define INA2XX_REG_SHUNT_VOLT 0x01 -#define INA2XX_REG_BUS_VOLT 0x02 -#define INA2XX_REG_POWER 0x03 -#define INA2XX_REG_CURRENT 0x04 -#define INA2XX_REG_CALIB 0x05 -#define INA2XX_REG_MASK 0x06 -#define INA2XX_REG_ALERT 0x07 - -#define INA2XX_CONFIG_MODE_MASK (7 << 0) -#define INA2XX_CONFIG_MODE_PWRDWN (0 << 0) -#define INA2XX_CONFIG_MODE_SHUNT BIT(0) -#define INA2XX_CONFIG_MODE_BUS BIT(1) -#define INA2XX_CONFIG_MODE_TRG (0 << 2) -#define INA2XX_CONFIG_MODE_CONT BIT(2) - -/* Conversion time for bus and shunt in micro-seconds */ -enum ina2xx_conv_time { - INA2XX_CONV_TIME_140 = 0x00, - INA2XX_CONV_TIME_204 = 0x01, - INA2XX_CONV_TIME_332 = 0x02, - INA2XX_CONV_TIME_588 = 0x03, - INA2XX_CONV_TIME_1100 = 0x04, - INA2XX_CONV_TIME_2116 = 0x05, - INA2XX_CONV_TIME_4156 = 0x06, - INA2XX_CONV_TIME_8244 = 0x07, -}; -#define INA2XX_CONV_TIME_MASK 0x7 -#define INA2XX_CONFIG_SHUNT_CONV_TIME(t) ((t) << 3) -#define INA2XX_CONFIG_BUS_CONV_TIME(t) ((t) << 6) - -#define INA2XX_CONFIG_AVG_1 (0 << 9) -#define INA2XX_CONFIG_AVG_4 BIT(9) -#define INA2XX_CONFIG_AVG_16 (2 << 9) -#define INA2XX_CONFIG_AVG_64 (3 << 9) -#define INA2XX_CONFIG_AVG_128 (4 << 9) -#define INA2XX_CONFIG_AVG_256 (5 << 9) -#define INA2XX_CONFIG_AVG_512 (6 << 9) -#define INA2XX_CONFIG_AVG_1024 (7 << 9) - -#define INA2XX_MASK_EN_LEN BIT(0) -#define INA2XX_MASK_EN_APOL BIT(1) -#define INA2XX_MASK_EN_OVF BIT(2) -#define INA2XX_MASK_EN_CVRF BIT(3) -#define INA2XX_MASK_EN_AFF BIT(4) -#define INA2XX_MASK_EN_CNVR BIT(10) -#define INA2XX_MASK_EN_POL BIT(11) -#define INA2XX_MASK_EN_BUL BIT(12) -#define INA2XX_MASK_EN_BOL BIT(13) -#define INA2XX_MASK_EN_SUL BIT(14) -#define INA2XX_MASK_EN_SOL BIT(15) - - -#if defined(CONFIG_INA231) && defined(CONFIG_INA219) -#error CONFIG_INA231 and CONFIG_INA219 must not be both defined. -#endif - -#ifdef CONFIG_INA231 - -/* Calibration value to get current LSB = 1mA */ -#define INA2XX_CALIB_1MA(rsense_mohm) (5120/(rsense_mohm)) -/* Bus voltage: mV per LSB */ -#define INA2XX_BUS_MV(reg) ((reg) * 125 / 100) -/* Shunt voltage: uV per LSB */ -#define INA2XX_SHUNT_UV(reg) ((reg) * 25 / 10) -/* Power LSB: mW per current LSB */ -#define INA2XX_POW_MW(reg) ((reg) * 25 * 1/*Current mA/LSB*/) - -#else /* CONFIG_INA219 */ - -/* Calibration value to get current LSB = 1mA */ -#define INA2XX_CALIB_1MA(rsense_mohm) (40960/(rsense_mohm)) -/* Bus voltage: mV per LSB */ -#define INA2XX_BUS_MV(reg) ((reg) / 2) -/* Shunt voltage: uV */ -#define INA2XX_SHUNT_UV(reg) ((reg) * 10) -/* Power LSB: mW per current LSB */ -#define INA2XX_POW_MW(reg) ((reg) * 20 * 1/*Current mA/LSB*/) - -#endif - - -/* Read INA2XX register. */ -uint16_t ina2xx_read(uint8_t idx, uint8_t reg); - -/* Write INA2XX register. */ -int ina2xx_write(uint8_t idx, uint8_t reg, uint16_t val); - -/* Set measurement parameters */ -int ina2xx_init(uint8_t idx, uint16_t config, uint16_t calib); - -/* Return bus voltage in milliVolts */ -int ina2xx_get_voltage(uint8_t idx); - -/* Return current in milliAmps */ -int ina2xx_get_current(uint8_t idx); - -/* Return power in milliWatts */ -int ina2xx_get_power(uint8_t idx); - -/* Return content of mask register */ -int ina2xx_get_mask(uint8_t idx); - -/* Set mask register to desired value */ -int ina2xx_set_mask(uint8_t idx, uint16_t mask); - -/* Return alert register value */ -int ina2xx_get_alert(uint8_t idx); - -/* Set alert register to desired value */ -int ina2xx_set_alert(uint8_t idx, uint16_t alert); - -#endif /* __CROS_EC_INA2XX_H */ |