/*
* arch/arm/mach-tegra/board-kai-sensors.c
*
* Copyright (c) 2012, NVIDIA Corporation.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/i2c.h>
#include <linux/cm3217.h>
#include <linux/mpu.h>
#include <linux/regulator/consumer.h>
#include <asm/mach-types.h>
#include <mach/gpio.h>
#include <media/ov2710.h>
#include "board.h"
#include "board-kai.h"
#include "cpu-tegra.h"
static struct regulator *kai_1v8_cam3;
static struct regulator *kai_vdd_cam3;
static struct cm3217_platform_data kai_cm3217_pdata = {
.levels = {10, 160, 225, 320, 640, 1280, 2600, 5800, 8000, 10240},
.golden_adc = 0,
.power = 0,
};
static struct i2c_board_info kai_i2c0_cm3217_board_info[] = {
{
I2C_BOARD_INFO("cm3217", 0x10),
.platform_data = &kai_cm3217_pdata,
},
};
static int kai_camera_init(void)
{
int ret;
tegra_gpio_enable(CAM2_POWER_DWN_GPIO);
ret = gpio_request(CAM2_POWER_DWN_GPIO, "cam2_power_en");
if (ret < 0) {
pr_err("%s: gpio_request failed for gpio %s\n",
__func__, "CAM2_POWER_DWN_GPIO");
}
gpio_direction_output(CAM2_POWER_DWN_GPIO, 1);
mdelay(10);
tegra_gpio_enable(CAM2_RST_GPIO);
ret = gpio_request(CAM2_RST_GPIO, "cam2_reset");
if (ret < 0) {
pr_err("%s: gpio_request failed for gpio %s\n",
__func__, "CAM2_RST_GPIO");
}
gpio_direction_output(CAM2_RST_GPIO, 0);
mdelay(5);
return 0;
}
static int kai_ov2710_power_on(void)
{
gpio_direction_output(CAM2_POWER_DWN_GPIO, 0);
mdelay(10);
if (kai_vdd_cam3 == NULL) {
kai_vdd_cam3 = regulator_get(NULL, "vdd_cam3");
if (WARN_ON(IS_ERR(kai_vdd_cam3))) {
pr_err("%s: couldn't get regulator vdd_cam3: %d\n",
__func__, PTR_ERR(kai_vdd_cam3));
goto reg_get_vdd_cam3_fail;
}
}
regulator_enable(kai_vdd_cam3);
if (kai_1v8_cam3 == NULL) {
kai_1v8_cam3 = regulator_get(NULL, "vdd_1v8_cam3");
if (WARN_ON(IS_ERR(kai_1v8_cam3))) {
pr_err("%s: couldn't get regulator vdd_1v8_cam3: %d\n",
__func__, PTR_ERR(kai_1v8_cam3));
goto reg_get_vdd_1v8_cam3_fail;
}
}
regulator_enable(kai_1v8_cam3);
mdelay(5);
gpio_direction_output(CAM2_RST_GPIO, 1);
mdelay(10);
return 0;
reg_get_vdd_1v8_cam3_fail:
kai_1v8_cam3 = NULL;
regulator_put(kai_vdd_cam3);
reg_get_vdd_cam3_fail:
kai_vdd_cam3 = NULL;
return -ENODEV;
}
static int kai_ov2710_power_off(void)
{
gpio_direction_output(CAM2_POWER_DWN_GPIO, 1);
gpio_direction_output(CAM2_RST_GPIO, 0);
if (kai_1v8_cam3)
regulator_disable(kai_1v8_cam3);
if (kai_vdd_cam3)
regulator_disable(kai_vdd_cam3);
return 0;
}
struct ov2710_platform_data kai_ov2710_data = {
.power_on = kai_ov2710_power_on,
.power_off = kai_ov2710_power_off,
};
static struct i2c_board_info kai_i2c2_board_info[] = {
{
I2C_BOARD_INFO("ov2710", 0x36),
.platform_data = &kai_ov2710_data,
},
};
/* MPU board file definition */
#if (MPU_GYRO_TYPE == MPU_TYPE_MPU3050)
#define MPU_GYRO_NAME "mpu3050"
#endif
#if (MPU_GYRO_TYPE == MPU_TYPE_MPU6050)
#define MPU_GYRO_NAME "mpu6050"
#endif
static struct mpu_platform_data mpu_gyro_data = {
.int_config = 0x10,
.level_shifter = 0,
.orientation = MPU_GYRO_ORIENTATION,
};
#if (MPU_GYRO_TYPE == MPU_TYPE_MPU3050)
static struct ext_slave_platform_data mpu_accel_data = {
.address = MPU_ACCEL_ADDR,
.irq = 0,
.adapt_num = MPU_ACCEL_BUS_NUM,
.bus = EXT_SLAVE_BUS_SECONDARY,
.orientation = MPU_ACCEL_ORIENTATION,
};
#endif
static struct ext_slave_platform_data mpu_compass_data = {
.address = MPU_COMPASS_ADDR,
.irq = 0,
.adapt_num = MPU_COMPASS_BUS_NUM,
.bus = EXT_SLAVE_BUS_PRIMARY,
.orientation = MPU_COMPASS_ORIENTATION,
};
static struct i2c_board_info __initdata inv_mpu_i2c0_board_info[] = {
{
I2C_BOARD_INFO(MPU_GYRO_NAME, MPU_GYRO_ADDR),
.irq = TEGRA_GPIO_TO_IRQ(MPU_GYRO_IRQ_GPIO),
.platform_data = &mpu_gyro_data,
},
#if (MPU_GYRO_TYPE == MPU_TYPE_MPU3050)
{
I2C_BOARD_INFO(MPU_ACCEL_NAME, MPU_ACCEL_ADDR),
#if MPU_ACCEL_IRQ_GPIO
.irq = TEGRA_GPIO_TO_IRQ(MPU_ACCEL_IRQ_GPIO),
#endif
.platform_data = &mpu_accel_data,
},
#endif
{
I2C_BOARD_INFO(MPU_COMPASS_NAME, MPU_COMPASS_ADDR),
#if MPU_COMPASS_IRQ_GPIO
.irq = TEGRA_GPIO_TO_IRQ(MPU_COMPASS_IRQ_GPIO),
#endif
.platform_data = &mpu_compass_data,
},
};
static void mpuirq_init(void)
{
int ret = 0;
pr_info("*** MPU START *** mpuirq_init...\n");
#if (MPU_GYRO_TYPE == MPU_TYPE_MPU3050)
#if MPU_ACCEL_IRQ_GPIO
/* ACCEL-IRQ assignment */
tegra_gpio_enable(MPU_ACCEL_IRQ_GPIO);
ret = gpio_request(MPU_ACCEL_IRQ_GPIO, MPU_ACCEL_NAME);
if (ret < 0) {
pr_err("%s: gpio_request failed %d\n", __func__, ret);
return;
}
ret = gpio_direction_input(MPU_ACCEL_IRQ_GPIO);
if (ret < 0) {
pr_err("%s: gpio_direction_input failed %d\n", __func__, ret);
gpio_free(MPU_ACCEL_IRQ_GPIO);
return;
}
#endif
#endif
/* MPU-IRQ assignment */
tegra_gpio_enable(MPU_GYRO_IRQ_GPIO);
ret = gpio_request(MPU_GYRO_IRQ_GPIO, MPU_GYRO_NAME);
if (ret < 0) {
pr_err("%s: gpio_request failed %d\n", __func__, ret);
return;
}
ret = gpio_direction_input(MPU_GYRO_IRQ_GPIO);
if (ret < 0) {
pr_err("%s: gpio_direction_input failed %d\n", __func__, ret);
gpio_free(MPU_GYRO_IRQ_GPIO);
return;
}
pr_info("*** MPU END *** mpuirq_init...\n");
i2c_register_board_info(MPU_GYRO_BUS_NUM, inv_mpu_i2c0_board_info,
ARRAY_SIZE(inv_mpu_i2c0_board_info));
}
int __init kai_sensors_init(void)
{
kai_camera_init();
i2c_register_board_info(2, kai_i2c2_board_info,
ARRAY_SIZE(kai_i2c2_board_info));
i2c_register_board_info(0, kai_i2c0_cm3217_board_info,
ARRAY_SIZE(kai_i2c0_cm3217_board_info));
mpuirq_init();
return 0;
}
