Port Invensense MPU3050 drivers into tegra-2.6.36

Original-Change-Id: Iceb3ef8b11d4ce18fd3cb0947268744775b81758
Reviewed-on: http://git-master/r/17525
Reviewed-by: Daniel Willemsen <dwillemsen@nvidia.com>
Reviewed-by: Varun Colbert <vcolbert@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>

Rebase-Id: R5aa1acdb6de5265529a9695f6cc996d4cf0dbfec

1 files changed, 425 insertions, 0 deletions

diff --git a/include/linux/mpu.h b/include/linux/mpu.h
new file mode 100644
index 000000000000..f3ae55b42086
--- /dev/null
+++ b/include/linux/mpu.h
@@ -0,0 +1,425 @@
+/*
+ $License:
+    Copyright (C) 2010 InvenSense Corporation, All Rights Reserved.
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  $
+ */
+
+#ifndef __MPU_H_
+#define __MPU_H_
+
+#ifdef __KERNEL__
+#include <linux/types.h>
+#endif
+
+#ifdef M_HW
+#include "mpu6000.h"
+#else
+#include "mpu3050.h"
+#endif
+
+/* Number of axes on each sensor */
+#define GYRO_NUM_AXES    (3)
+#define ACCEL_NUM_AXES   (3)
+#define COMPASS_NUM_AXES (3)
+
+/* IOCTL commands for /dev/mpu */
+#define MPU_SET_MPU_CONFIG          (0x00)
+#define MPU_SET_INT_CONFIG          (0x01)
+#define MPU_SET_EXT_SYNC            (0x02)
+#define MPU_SET_FULL_SCALE          (0x03)
+#define MPU_SET_LPF                 (0x04)
+#define MPU_SET_CLK_SRC             (0x05)
+#define MPU_SET_DIVIDER             (0x06)
+#define MPU_SET_LEVEL_SHIFTER       (0x07)
+#define MPU_SET_DMP_ENABLE          (0x08)
+#define MPU_SET_FIFO_ENABLE         (0x09)
+#define MPU_SET_DMP_CFG1            (0x0a)
+#define MPU_SET_DMP_CFG2            (0x0b)
+#define MPU_SET_OFFSET_TC           (0x0c)
+#define MPU_SET_RAM                 (0x0d)
+
+#define MPU_SET_PLATFORM_DATA       (0x0e)
+
+#define MPU_GET_MPU_CONFIG          (0x80)
+#define MPU_GET_INT_CONFIG          (0x81)
+#define MPU_GET_EXT_SYNC            (0x82)
+#define MPU_GET_FULL_SCALE          (0x83)
+#define MPU_GET_LPF                 (0x84)
+#define MPU_GET_CLK_SRC             (0x85)
+#define MPU_GET_DIVIDER             (0x86)
+#define MPU_GET_LEVEL_SHIFTER       (0x87)
+#define MPU_GET_DMP_ENABLE          (0x88)
+#define MPU_GET_FIFO_ENABLE         (0x89)
+#define MPU_GET_DMP_CFG1            (0x8a)
+#define MPU_GET_DMP_CFG2            (0x8b)
+#define MPU_GET_OFFSET_TC           (0x8c)
+#define MPU_GET_RAM                 (0x8d)
+
+#define MPU_READ_REGISTER           (0x40)
+#define MPU_WRITE_REGISTER          (0x41)
+#define MPU_READ_MEMORY             (0x42)
+#define MPU_WRITE_MEMORY            (0x43)
+
+#define MPU_SUSPEND                 (0x44)
+#define MPU_RESUME                  (0x45)
+#define MPU_READ_COMPASS            (0x46)
+#define MPU_READ_ACCEL              (0x47)
+#define MPU_READ_PRESSURE           (0x48)
+
+#define MPU_CONFIG_ACCEL            (0x20)
+#define MPU_CONFIG_COMPASS          (0x21)
+#define MPU_CONFIG_PRESSURE         (0x22)
+
+/* Structure for the following IOCTL's:
+   MPU_SET_RAM
+   MPU_GET_RAM
+   MPU_READ_REGISTER
+   MPU_WRITE_REGISTER
+   MPU_READ_MEMORY
+   MPU_WRITE_MEMORY
+*/
+struct mpu_read_write {
+	unsigned short address;
+	unsigned short length;
+	unsigned char *data;
+};
+
+/* Structure for the following IOCTL's
+   MPU_SUSPEND
+   MPU_RESUME
+*/
+struct mpu_suspend_resume {
+	int gyro;
+	int accel;
+	int compass;
+	int pressure;
+};
+
+struct irq_data {
+	int interruptcount;
+	unsigned long long irqtime;
+	int data_type;
+	int data_size;
+	void *data;
+};
+enum ext_slave_config_key {
+    MPU_SLAVE_CONFIG_ODR_SUSPEND,
+    MPU_SLAVE_CONFIG_ODR_RESUME,
+    MPU_SLAVE_CONFIG_FSR_SUSPEND,
+    MPU_SLAVE_CONFIG_FSR_RESUME,
+    MPU_SLAVE_CONFIG_MOT_THS,
+    MPU_SLAVE_CONFIG_NMOT_THS,
+    MPU_SLAVE_CONFIG_MOT_DUR,
+    MPU_SLAVE_CONFIG_NMOT_DUR,
+    MPU_SLAVE_CONFIG_NUM_CONFIG_KEYS,
+};
+/* Structure for the following IOCTS's
+ * MPU_CONFIG_ACCEL
+ * MPU_CONFIG_COMPASS
+ * MPU_CONFIG_PRESSURE
+ */
+struct ext_slave_config {
+	int key;
+	int len;
+	void *data;
+};
+
+enum ext_slave_type {
+	EXT_SLAVE_TYPE_GYROSCOPE,
+	EXT_SLAVE_TYPE_ACCELEROMETER,
+	EXT_SLAVE_TYPE_COMPASS,
+	EXT_SLAVE_TYPE_PRESSURE,
+	/*EXT_SLAVE_TYPE_TEMPERATURE */
+};
+
+enum ext_slave_id {
+	ID_INVALID = 0,
+
+	ACCEL_ID_LIS331,
+	ACCEL_ID_LSM303,
+	ACCEL_ID_KXSD9,
+	ACCEL_ID_KXTF9,
+	ACCEL_ID_BMA150,
+	ACCEL_ID_BMA222,
+	ACCEL_ID_ADI346,
+	ACCEL_ID_MMA8450,
+	ACCEL_ID_MMA8451,
+	ACCEL_ID_MPU6000,
+
+	COMPASS_ID_AKM,
+	COMPASS_ID_AMI30X,
+	COMPASS_ID_YAS529,
+	COMPASS_ID_HMC5883,
+	COMPASS_ID_LSM303,
+	COMPASS_ID_MMC314X,
+	COMPASS_ID_HSCDTD002B,
+
+	PRESSURE_ID_BMA085,
+};
+
+enum ext_slave_endian {
+	EXT_SLAVE_BIG_ENDIAN,
+	EXT_SLAVE_LITTLE_ENDIAN,
+	EXT_SLAVE_FS8_BIG_ENDIAN,
+	EXT_SLAVE_FS16_BIG_ENDIAN,
+};
+
+enum ext_slave_bus {
+	EXT_SLAVE_BUS_INVALID = -1,
+	EXT_SLAVE_BUS_PRIMARY = 0,
+	EXT_SLAVE_BUS_SECONDARY = 1
+};
+
+
+/**
+ *  struct ext_slave_platform_data - Platform data for mpu3050 slave devices
+ *
+ *  @get_slave_descr: Function pointer to retrieve the struct ext_slave_descr
+ *                    for this slave
+ *  @irq: the irq number attached to the slave if any.
+ *  @adapt_num: the I2C adapter number.
+ *  @bus: the bus the slave is attached to: enum ext_slave_bus
+ *  @address: the I2C slave address of the slave device.
+ *  @orientation: the mounting matrix of the device relative to MPU.
+ *  @irq_data: private data for the slave irq handler
+ *  @private_data: additional data, user customizable.  Not touched by the MPU
+ *                 driver.
+ *
+ * The orientation matricies are 3x3 rotation matricies
+ * that are applied to the data to rotate from the mounting orientation to the
+ * platform orientation.  The values must be one of 0, 1, or -1 and each row and
+ * column should have exactly 1 non-zero value.
+ */
+struct ext_slave_platform_data {
+	struct ext_slave_descr *(*get_slave_descr) (void);
+	int irq;
+	int adapt_num;
+	int bus;
+	unsigned char address;
+	signed char orientation[9];
+	void *irq_data;
+	void *private_data;
+};
+
+
+struct tFixPntRange {
+	long mantissa;
+	long fraction;
+};
+
+/**
+ *  struct ext_slave_descr - Description of the slave device for programming.
+ *
+ *  @suspend:	function pointer to put the device in suspended state
+ *  @resume:	function pointer to put the device in running state
+ *  @read:	function that reads the device data
+ *  @init:	function used to preallocate memory used by the driver
+ *  @exit:	function used to free memory allocated for the driver
+ *  @config:	function used to configure the device
+ *
+ *  @name:	text name of the device
+ *  @type:	device type. enum ext_slave_type
+ *  @id:	enum ext_slave_id
+ *  @reg:	starting register address to retrieve data.
+ *  @len:	length in bytes of the sensor data.  Should be 6.
+ *  @endian:	byte order of the data. enum ext_slave_endian
+ *  @range:	full scale range of the slave ouput: struct tFixPntRange
+ *
+ *  Defines the functions and information about the slave the mpu3050 needs to
+ *  use the slave device.
+ */
+struct ext_slave_descr {
+	int (*init) (void *mlsl_handle,
+		     struct ext_slave_descr *slave,
+		     struct ext_slave_platform_data *pdata);
+	int (*exit) (void *mlsl_handle,
+		     struct ext_slave_descr *slave,
+		     struct ext_slave_platform_data *pdata);
+	int (*suspend) (void *mlsl_handle,
+			struct ext_slave_descr *slave,
+			struct ext_slave_platform_data *pdata);
+	int (*resume) (void *mlsl_handle,
+		       struct ext_slave_descr *slave,
+		       struct ext_slave_platform_data *pdata);
+	int (*read) (void *mlsl_handle,
+		     struct ext_slave_descr *slave,
+		     struct ext_slave_platform_data *pdata,
+		     unsigned char *data);
+	int (*config) (void *mlsl_handle,
+		       struct ext_slave_descr *slave,
+		       struct ext_slave_platform_data *pdata,
+		       struct ext_slave_config *config);
+
+	char *name;
+	unsigned char type;
+	unsigned char id;
+	unsigned char reg;
+	unsigned int len;
+	unsigned char endian;
+	struct tFixPntRange range;
+};
+
+/**
+ * struct mpu3050_platform_data - Platform data for the mpu3050 driver
+ * @int_config:		Bits [7:3] of the int config register.
+ * @orientation:	Orientation matrix of the gyroscope
+ * @level_shifter:	0: VLogic, 1: VDD
+ * @accel:		Accel platform data
+ * @compass:		Compass platform data
+ * @pressure:		Pressure platform data
+ *
+ * Contains platform specific information on how to configure the MPU3050 to
+ * work on this platform.  The orientation matricies are 3x3 rotation matricies
+ * that are applied to the data to rotate from the mounting orientation to the
+ * platform orientation.  The values must be one of 0, 1, or -1 and each row and
+ * column should have exactly 1 non-zero value.
+ */
+struct mpu3050_platform_data {
+	unsigned char int_config;
+	signed char orientation[MPU_NUM_AXES * MPU_NUM_AXES];
+	unsigned char level_shifter;
+	struct ext_slave_platform_data accel;
+	struct ext_slave_platform_data compass;
+	struct ext_slave_platform_data pressure;
+};
+
+
+/*
+    Accelerometer
+*/
+#define get_accel_slave_descr NULL
+
+#ifdef CONFIG_SENSORS_ADXL346	/* ADI accelerometer */
+struct ext_slave_descr *adxl346_get_slave_descr(void);
+#undef get_accel_slave_descr
+#define get_accel_slave_descr adxl346_get_slave_descr
+#endif
+
+#ifdef CONFIG_SENSORS_BMA150	/* Bosch accelerometer */
+struct ext_slave_descr *bma150_get_slave_descr(void);
+#undef get_accel_slave_descr
+#define get_accel_slave_descr bma150_get_slave_descr
+#endif
+
+#ifdef CONFIG_SENSORS_BMA222	/* Bosch 222 accelerometer */
+struct ext_slave_descr *bma222_get_slave_descr(void);
+#undef get_accel_slave_descr
+#define get_accel_slave_descr bma222_get_slave_descr
+#endif
+
+#ifdef CONFIG_SENSORS_KXSD9	/* Kionix accelerometer */
+struct ext_slave_descr *kxsd9_get_slave_descr(void);
+#undef get_accel_slave_descr
+#define get_accel_slave_descr kxsd9_get_slave_descr
+#endif
+
+#ifdef CONFIG_SENSORS_KXTF9	/* Kionix accelerometer */
+struct ext_slave_descr *kxtf9_get_slave_descr(void);
+#undef get_accel_slave_descr
+#define get_accel_slave_descr kxtf9_get_slave_descr
+#endif
+
+#ifdef CONFIG_SENSORS_LIS331DLH	/* ST accelerometer */
+struct ext_slave_descr *lis331dlh_get_slave_descr(void);
+#undef get_accel_slave_descr
+#define get_accel_slave_descr lis331dlh_get_slave_descr
+#endif
+
+#ifdef CONFIG_SENSORS_LSM303DLHA	/* ST accelerometer */
+struct ext_slave_descr *lsm303dlha_get_slave_descr(void);
+#undef get_accel_slave_descr
+#define get_accel_slave_descr lsm303dlha_get_slave_descr
+#endif
+
+/* MPU6000 Accel */
+#if defined(CONFIG_SENSORS_MPU6000) || defined(CONFIG_SENSORS_MPU6000_MODULE)
+struct ext_slave_descr *mantis_get_slave_descr(void);
+#undef get_accel_slave_descr
+#define get_accel_slave_descr mantis_get_slave_descr
+#endif
+
+#ifdef CONFIG_SENSORS_MMA8450	/* Freescale accelerometer */
+struct ext_slave_descr *mma8450_get_slave_descr(void);
+#undef get_accel_slave_descr
+#define get_accel_slave_descr mma8450_get_slave_descr
+#endif
+
+#ifdef CONFIG_SENSORS_MMA8451	/* Freescale accelerometer */
+struct ext_slave_descr *mma8451_get_slave_descr(void);
+#undef get_accel_slave_descr
+#define get_accel_slave_descr mma8451_get_slave_descr
+#endif
+
+
+/*
+    Compass
+*/
+#define get_compass_slave_descr NULL
+
+#ifdef CONFIG_SENSORS_AK8975	/* AKM compass */
+struct ext_slave_descr *ak8975_get_slave_descr(void);
+#undef get_compass_slave_descr
+#define get_compass_slave_descr ak8975_get_slave_descr
+#endif
+
+#ifdef CONFIG_SENSORS_AMI30X	/* AICHI Steel compass */
+struct ext_slave_descr *ami30x_get_slave_descr(void);
+#undef get_compass_slave_descr
+#define get_compass_slave_descr ami30x_get_slave_descr
+#endif
+
+#ifdef CONFIG_SENSORS_HMC5883	/* Honeywell compass */
+struct ext_slave_descr *hmc5883_get_slave_descr(void);
+#undef get_compass_slave_descr
+#define get_compass_slave_descr hmc5883_get_slave_descr
+#endif
+
+#ifdef CONFIG_SENSORS_MMC314X	/* MEMSIC compass */
+struct ext_slave_descr *mmc314x_get_slave_descr(void);
+#undef get_compass_slave_descr
+#define get_compass_slave_descr mmc314x_get_slave_descr
+#endif
+
+#ifdef CONFIG_SENSORS_LSM303DLHM	/* ST compass */
+struct ext_slave_descr *lsm303dlhm_get_slave_descr(void);
+#undef get_compass_slave_descr
+#define get_compass_slave_descr lsm303dlhm_get_slave_descr
+#endif
+
+#ifdef CONFIG_SENSORS_YAS529	/* Yamaha compass */
+struct ext_slave_descr *yas529_get_slave_descr(void);
+#undef get_compass_slave_descr
+#define get_compass_slave_descr yas529_get_slave_descr
+#endif
+
+#ifdef CONFIG_SENSORS_HSCDTD002B	/* Alps compass */
+struct ext_slave_descr *hscdtd002b_get_slave_descr(void);
+#undef get_compass_slave_descr
+#define get_compass_slave_descr hscdtd002b_get_slave_descr
+#endif
+
+/*
+    Pressure
+*/
+#define get_pressure_slave_descr NULL
+
+#ifdef CONFIG_SENSORS_BMA085	/* BMA pressure */
+struct ext_slave_descr *bma085_get_slave_descr(void);
+#undef get_pressure_slave_descr
+#define get_pressure_slave_descr bma085_get_slave_descr
+#endif
+
+#endif				/* __MPU_H_ */