diff options
Diffstat (limited to 'driver/mag_bmm150.h')
| -rw-r--r-- | driver/mag_bmm150.h | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/driver/mag_bmm150.h b/driver/mag_bmm150.h deleted file mode 100644 index 79c77e66d7..0000000000 --- a/driver/mag_bmm150.h +++ /dev/null @@ -1,147 +0,0 @@ -/* 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. - */ - -/* BMM150 magnetometer definition */ - -#ifndef __CROS_EC_MAG_BMM150_H -#define __CROS_EC_MAG_BMM150_H - -#include "accelgyro.h" -#include "mag_cal.h" - -#define BMM150_ADDR0_FLAGS 0x10 -#define BMM150_ADDR1_FLAGS 0x11 -#define BMM150_ADDR2_FLAGS 0x12 -#define BMM150_ADDR3_FLAGS 0x13 - -#define BMM150_CHIP_ID 0x40 -#define BMM150_CHIP_ID_MAJOR 0x32 - -#define BMM150_BASE_DATA 0x42 - -#define BMM150_INT_STATUS 0x4a -#define BMM150_PWR_CTRL 0x4b -#define BMM150_SRST (BIT(7) | BIT(1)) -#define BMM150_PWR_ON BIT(0) - -#define BMM150_OP_CTRL 0x4c -#define BMM150_OP_MODE_OFFSET 1 -#define BMM150_OP_MODE_MASK 3 -#define BMM150_OP_MODE_NORMAL 0x00 -#define BMM150_OP_MODE_FORCED 0x01 -#define BMM150_OP_MODE_SLEEP 0x03 - -#define BMM150_INT_CTRL 0x4d - -#define BMM150_REPXY 0x51 -#define BMM150_LOW_POWER_nXY 3 -#define BMM150_REGULAR_nXY 9 -#define BMM150_ENHANCED_nXY 15 -#define BMM150_HIGH_ACCURACY_nXY 47 -#define BMM150_SPECIAL_nXY 75 -#define BMM150_REPZ 0x52 -#define BMM150_LOW_POWER_nZ 3 -#define BMM150_REGULAR_nZ 15 -#define BMM150_ENHANCED_nZ 27 -#define BMM150_HIGH_ACCURACY_nZ 83 -#define BMM150_SPECIAL_nZ 27 - -#define BMM150_REP(_preset, _axis) CONCAT4(BMM150_, _preset, _n, _axis) - -/* Hidden registers for RHALL calculation */ -#define BMM150_REGA_DIG_X1 0x5d -#define BMM150_REGA_DIG_Y1 0x5e -#define BMM150_REGA_DIG_Z4_LSB 0x62 -#define BMM150_REGA_DIG_Z4_MSB 0x63 -#define BMM150_REGA_DIG_X2 0x64 -#define BMM150_REGA_DIG_Y2 0x65 -#define BMM150_REGA_DIG_Z2_LSB 0x68 -#define BMM150_REGA_DIG_Z2_MSB 0x69 -#define BMM150_REGA_DIG_Z1_LSB 0x6a -#define BMM150_REGA_DIG_Z1_MSB 0x6b -#define BMM150_REGA_DIG_XYZ1_LSB 0x6c -#define BMM150_REGA_DIG_XYZ1_MSB 0x6d -#define BMM150_REGA_DIG_Z3_LSB 0x6e -#define BMM150_REGA_DIG_Z3_MSB 0x6f -#define BMM150_REGA_DIG_XY2 0x70 -#define BMM150_REGA_DIG_XY1 0x71 - -/* Overflow */ - -#define BMM150_FLIP_OVERFLOW_ADCVAL (-4096) -#define BMM150_HALL_OVERFLOW_ADCVAL (-16384) -#define BMM150_OVERFLOW_OUTPUT (0x8000) - -/* Min and Max sampling frequency in mHz */ -#define BMM150_MAG_MIN_FREQ 781 - -/* - * From Section 4.2.4, max frequency depends on the preset. - * - * Fmax ~= 1 / (145us * nXY + 500us * nZ + 980us) - * - * To be safe, declare only 75% of the value. - */ -#define __BMM150_MAG_MAX_FREQ(_preset) (750000000 / \ - (145 * BMM150_REP(_preset, XY) + 500 * BMM150_REP(_preset, Z) + 980)) - -#if (__BMM150_MAG_MAX_FREQ(SPECIAL) > CONFIG_EC_MAX_SENSOR_FREQ_MILLIHZ) -#error "EC too slow for magnetometer" -#endif - -struct bmm150_comp_registers { - /* Local copy of the compensation registers. */ - int8_t dig1[2]; - int8_t dig2[2]; - - uint16_t dig_z1; - int16_t dig_z2; - int16_t dig_z3; - int16_t dig_z4; - - uint8_t dig_xy1; - int8_t dig_xy2; - - uint16_t dig_xyz1; -}; - -struct bmm150_private_data { - /* lsm6dsm_data union requires cal be first element */ - struct mag_cal_t cal; - struct bmm150_comp_registers comp; -}; -#define BMM150_COMP_REG(_s) \ - (&BMI160_GET_DATA(_s)->compass.comp) - -#define BMM150_CAL(_s) \ - (&BMI160_GET_DATA(_s)->compass.cal) - -#ifdef CONFIG_MAG_BMI160_BMM150 -#include "accelgyro_bmi160.h" -/* - * Behind a BMI160, the BMM150 is in forced mode. Be sure to choose a frequency - * comptible with BMI160. - */ -#define BMM150_MAG_MAX_FREQ(_preset) \ - BMI160_REG_TO_ODR(BMI160_ODR_TO_REG(__BMM150_MAG_MAX_FREQ(_preset))) -#else -#define BMM150_MAG_MAX_FREQ(_preset) __BMM150_MAG_MAX_FREQ(_preset) -#endif - -/* Specific initialization of BMM150 when behing BMI160 */ -int bmm150_init(const struct motion_sensor_t *s); - -/* Command to normalize and apply temperature compensation */ -void bmm150_normalize(const struct motion_sensor_t *s, - intv3_t v, - uint8_t *data); - -int bmm150_set_offset(const struct motion_sensor_t *s, - const intv3_t offset); - -int bmm150_get_offset(const struct motion_sensor_t *s, - intv3_t offset); - -#endif /* __CROS_EC_MAG_BMM150_H */ |