diff options
Diffstat (limited to 'driver/ina2xx.h')
| -rw-r--r-- | driver/ina2xx.h | 98 |
1 files changed, 48 insertions, 50 deletions
diff --git a/driver/ina2xx.h b/driver/ina2xx.h index ec1e1ed92f..654283578c 100644 --- a/driver/ina2xx.h +++ b/driver/ina2xx.h @@ -1,4 +1,4 @@ -/* Copyright 2014 The Chromium OS Authors. All rights reserved. +/* Copyright 2014 The ChromiumOS Authors * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. * @@ -8,28 +8,28 @@ #ifndef __CROS_EC_INA2XX_H #define __CROS_EC_INA2XX_H -#define INA2XX_REG_CONFIG 0x00 +#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) +#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_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, @@ -37,29 +37,28 @@ enum ina2xx_conv_time { }; #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) - +#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. @@ -68,28 +67,27 @@ enum ina2xx_conv_time { #ifdef CONFIG_INA231 /* Calibration value to get current LSB = 1mA */ -#define INA2XX_CALIB_1MA(rsense_mohm) (5120/(rsense_mohm)) +#define INA2XX_CALIB_1MA(rsense_mohm) (5120 / (rsense_mohm)) /* Bus voltage: mV per LSB */ -#define INA2XX_BUS_MV(reg) ((reg) * 125 / 100) +#define INA2XX_BUS_MV(reg) ((reg)*125 / 100) /* Shunt voltage: uV per LSB */ -#define INA2XX_SHUNT_UV(reg) ((reg) * 25 / 10) +#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*/) +#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)) +#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) +#define INA2XX_SHUNT_UV(reg) ((reg)*10) /* Power LSB: mW per current LSB */ -#define INA2XX_POW_MW(reg) ((reg) * 20 * 1/*Current mA/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); |