arch/arm/mach-msm/board-msm7627a-camera.c

/* Copyright (c) 2012, Code Aurora Forum. 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 version 2 and
 * only 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.
 */

#include <linux/i2c.h>
#include <linux/i2c/sx150x.h>
#include <linux/gpio.h>
#include <linux/regulator/consumer.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <asm/mach-types.h>
#include <mach/msm_iomap.h>
#include <mach/board.h>
#include <mach/irqs-7xxx.h>
#include "devices-msm7x2xa.h"
#include "board-msm7627a.h"

static uint32_t camera_off_gpio_table[] = {
	GPIO_CFG(15, 0, GPIO_CFG_OUTPUT, GPIO_CFG_PULL_DOWN, GPIO_CFG_2MA),
};

static uint32_t camera_on_gpio_table[] = {
	GPIO_CFG(15, 1, GPIO_CFG_OUTPUT, GPIO_CFG_PULL_DOWN, GPIO_CFG_2MA),
};

#ifdef CONFIG_MSM_CAMERA_FLASH
static struct msm_camera_sensor_flash_src msm_flash_src = {
	.flash_sr_type = MSM_CAMERA_FLASH_SRC_EXT,
	._fsrc.ext_driver_src.led_en = GPIO_CAM_GP_LED_EN1,
	._fsrc.ext_driver_src.led_flash_en = GPIO_CAM_GP_LED_EN2,
};
#endif

static struct regulator_bulk_data regs_camera[] = {
	{ .supply = "msme1", .min_uV = 1800000, .max_uV = 1800000 },
	{ .supply = "gp2",   .min_uV = 2850000, .max_uV = 2850000 },
	{ .supply = "usb2",  .min_uV = 1800000, .max_uV = 1800000 },
};

static void qrd1_camera_gpio_cfg(void)
{

	int rc = 0;

	rc = gpio_request(QRD_GPIO_CAM_5MP_SHDN_EN, "ov5640");
	if (rc < 0)
		pr_err("%s: gpio_request---GPIO_CAM_5MP_SHDN_EN failed!",
				__func__);


	rc = gpio_tlmm_config(GPIO_CFG(QRD_GPIO_CAM_5MP_SHDN_EN, 0,
				GPIO_CFG_OUTPUT, GPIO_CFG_PULL_UP,
				GPIO_CFG_2MA), GPIO_CFG_ENABLE);
	if (rc < 0) {
		pr_err("%s: unable to enable Power Down gpio for main"
				"camera!\n", __func__);
		gpio_free(QRD_GPIO_CAM_5MP_SHDN_EN);
	}


	rc = gpio_request(QRD_GPIO_CAM_5MP_RESET, "ov5640");
	if (rc < 0) {
		pr_err("%s: gpio_request---GPIO_CAM_5MP_RESET failed!",
				__func__);
		gpio_free(QRD_GPIO_CAM_5MP_SHDN_EN);
	}


	rc = gpio_tlmm_config(GPIO_CFG(QRD_GPIO_CAM_5MP_RESET, 0,
				GPIO_CFG_OUTPUT, GPIO_CFG_PULL_UP,
				GPIO_CFG_2MA), GPIO_CFG_ENABLE);
	if (rc < 0) {
		pr_err("%s: unable to enable reset gpio for main camera!\n",
				__func__);
		gpio_free(QRD_GPIO_CAM_5MP_RESET);
	}

	rc = gpio_request(QRD_GPIO_CAM_3MP_PWDN, "ov7692");
	if (rc < 0)
		pr_err("%s: gpio_request---GPIO_CAM_3MP_PWDN failed!",
				__func__);

	rc = gpio_tlmm_config(GPIO_CFG(QRD_GPIO_CAM_3MP_PWDN, 0,
				GPIO_CFG_OUTPUT, GPIO_CFG_PULL_UP,
				GPIO_CFG_2MA), GPIO_CFG_ENABLE);
	if (rc < 0) {
		pr_err("%s: unable to enable Power Down gpio for front"
				"camera!\n", __func__);
		gpio_free(QRD_GPIO_CAM_3MP_PWDN);
	}

	gpio_direction_output(QRD_GPIO_CAM_5MP_SHDN_EN, 1);
	gpio_direction_output(QRD_GPIO_CAM_5MP_RESET, 1);
	gpio_direction_output(QRD_GPIO_CAM_3MP_PWDN, 1);
}

static void msm_camera_vreg_config(int vreg_en)
{
	int rc = vreg_en ?
		regulator_bulk_enable(ARRAY_SIZE(regs_camera), regs_camera) :
		regulator_bulk_disable(ARRAY_SIZE(regs_camera), regs_camera);

	if (rc)
		pr_err("%s: could not %sable regulators: %d\n",
				__func__, vreg_en ? "en" : "dis", rc);
}

static int config_gpio_table(uint32_t *table, int len)
{
	int rc = 0, i = 0;

	for (i = 0; i < len; i++) {
		rc = gpio_tlmm_config(table[i], GPIO_CFG_ENABLE);
		if (rc) {
			pr_err("%s not able to get gpio\n", __func__);
			for (i--; i >= 0; i--)
				gpio_tlmm_config(camera_off_gpio_table[i],
							GPIO_CFG_ENABLE);
			break;
		}
	}
	return rc;
}

static int config_camera_on_gpios_rear(void)
{
	int rc = 0;

	if (machine_is_msm7x27a_ffa() || machine_is_msm7625a_ffa()
				|| machine_is_msm7627a_qrd1())
		msm_camera_vreg_config(1);

	rc = config_gpio_table(camera_on_gpio_table,
			ARRAY_SIZE(camera_on_gpio_table));
	if (rc < 0) {
		pr_err("%s: CAMSENSOR gpio table request"
		"failed\n", __func__);
		return rc;
	}

	return rc;
}

static void config_camera_off_gpios_rear(void)
{
	if (machine_is_msm7x27a_ffa() || machine_is_msm7625a_ffa()
				|| machine_is_msm7627a_qrd1())
		msm_camera_vreg_config(0);

	config_gpio_table(camera_off_gpio_table,
			ARRAY_SIZE(camera_off_gpio_table));
}

static int config_camera_on_gpios_front(void)
{
	int rc = 0;

	if (machine_is_msm7x27a_ffa() || machine_is_msm7625a_ffa()
				|| machine_is_msm7627a_qrd1())
		msm_camera_vreg_config(1);

	rc = config_gpio_table(camera_on_gpio_table,
			ARRAY_SIZE(camera_on_gpio_table));
	if (rc < 0) {
		pr_err("%s: CAMSENSOR gpio table request"
			"failed\n", __func__);
		return rc;
	}

	return rc;
}

static void config_camera_off_gpios_front(void)
{
	if (machine_is_msm7x27a_ffa() || machine_is_msm7625a_ffa()
				|| machine_is_msm7627a_qrd1())
		msm_camera_vreg_config(0);

	config_gpio_table(camera_off_gpio_table,
			ARRAY_SIZE(camera_off_gpio_table));
}

struct msm_camera_device_platform_data msm_camera_device_data_rear = {
	.camera_gpio_on		= config_camera_on_gpios_rear,
	.camera_gpio_off	= config_camera_off_gpios_rear,
	.ioext.csiphy		= 0xA1000000,
	.ioext.csisz		= 0x00100000,
	.ioext.csiirq		= INT_CSI_IRQ_1,
	.ioclk.mclk_clk_rate	= 24000000,
	.ioclk.vfe_clk_rate	= 192000000,
	.ioext.appphy		= MSM_CLK_CTL_PHYS,
	.ioext.appsz		= MSM_CLK_CTL_SIZE,
};

struct msm_camera_device_platform_data msm_camera_device_data_front = {
	.camera_gpio_on		= config_camera_on_gpios_front,
	.camera_gpio_off	= config_camera_off_gpios_front,
	.ioext.csiphy		= 0xA0F00000,
	.ioext.csisz		= 0x00100000,
	.ioext.csiirq		= INT_CSI_IRQ_0,
	.ioclk.mclk_clk_rate	= 24000000,
	.ioclk.vfe_clk_rate	= 192000000,
	.ioext.appphy		= MSM_CLK_CTL_PHYS,
	.ioext.appsz		= MSM_CLK_CTL_SIZE,
};

#ifdef CONFIG_S5K4E1
static struct msm_camera_sensor_platform_info s5k4e1_sensor_7627a_info = {
	.mount_angle = 90
};

static struct msm_camera_sensor_flash_data flash_s5k4e1 = {
	.flash_type	     = MSM_CAMERA_FLASH_LED,
	.flash_src	      = &msm_flash_src
};

static struct msm_camera_sensor_info msm_camera_sensor_s5k4e1_data = {
	.sensor_name		= "s5k4e1",
	.sensor_reset_enable	= 1,
	.sensor_reset		= GPIO_CAM_GP_CAMIF_RESET_N,
	.sensor_pwd	     = 85,
	.vcm_pwd		= GPIO_CAM_GP_CAM_PWDN,
	.vcm_enable	     = 1,
	.pdata			= &msm_camera_device_data_rear,
	.flash_data	     = &flash_s5k4e1,
	.sensor_platform_info   = &s5k4e1_sensor_7627a_info,
	.csi_if			= 1
};

static struct platform_device msm_camera_sensor_s5k4e1 = {
	.name   = "msm_camera_s5k4e1",
	.dev    = {
		.platform_data = &msm_camera_sensor_s5k4e1_data,
	},
};
#endif

#ifdef CONFIG_IMX072
static struct msm_camera_sensor_platform_info imx072_sensor_7627a_info = {
	.mount_angle = 90
};

static struct msm_camera_sensor_flash_data flash_imx072 = {
	.flash_type	     = MSM_CAMERA_FLASH_LED,
	.flash_src	      = &msm_flash_src
};

static struct msm_camera_sensor_info msm_camera_sensor_imx072_data = {
	.sensor_name		= "imx072",
	.sensor_reset_enable	= 1,
	.sensor_reset		= GPIO_CAM_GP_CAMIF_RESET_N, /* TODO 106,*/
	.sensor_pwd	     = 85,
	.vcm_pwd		= GPIO_CAM_GP_CAM_PWDN,
	.vcm_enable	     = 1,
	.pdata			= &msm_camera_device_data_rear,
	.flash_data	     = &flash_imx072,
	.sensor_platform_info	= &imx072_sensor_7627a_info,
	.csi_if			= 1
};

static struct platform_device msm_camera_sensor_imx072 = {
	.name   = "msm_camera_imx072",
	.dev    = {
		.platform_data = &msm_camera_sensor_imx072_data,
	},
};
#endif

static struct msm_camera_sensor_info msm_camera_sensor_ov9726_data;
#ifdef CONFIG_WEBCAM_OV9726
static struct msm_camera_sensor_platform_info ov9726_sensor_7627a_info = {
	.mount_angle = 90
};

static struct msm_camera_sensor_flash_data flash_ov9726 = {
	.flash_type	     = MSM_CAMERA_FLASH_NONE,
	.flash_src	      = &msm_flash_src
};

static struct msm_camera_sensor_info msm_camera_sensor_ov9726_data = {
	.sensor_name		= "ov9726",
	.sensor_reset_enable	= 0,
	.sensor_reset		= GPIO_CAM_GP_CAM1MP_XCLR,
	.sensor_pwd	     = 85,
	.vcm_pwd		= 1,
	.vcm_enable	     = 0,
	.pdata			= &msm_camera_device_data_front,
	.flash_data	     = &flash_ov9726,
	.sensor_platform_info   = &ov9726_sensor_7627a_info,
	.csi_if			= 1
};

static struct platform_device msm_camera_sensor_ov9726 = {
	.name   = "msm_camera_ov9726",
	.dev    = {
		.platform_data = &msm_camera_sensor_ov9726_data,
	},
};
#else
static inline void msm_camera_vreg_init(void) { }
#endif

#ifdef CONFIG_MT9E013
static struct msm_camera_sensor_platform_info mt9e013_sensor_7627a_info = {
	.mount_angle = 90
};

static struct msm_camera_sensor_flash_data flash_mt9e013 = {
	.flash_type = MSM_CAMERA_FLASH_LED,
	.flash_src  = &msm_flash_src
};

static struct msm_camera_sensor_info msm_camera_sensor_mt9e013_data = {
	.sensor_name		= "mt9e013",
	.sensor_reset		= 0,
	.sensor_reset_enable	= 1,
	.sensor_pwd		= 85,
	.vcm_pwd		= 1,
	.vcm_enable		= 0,
	.pdata		= &msm_camera_device_data_rear,
	.flash_data		= &flash_mt9e013,
	.sensor_platform_info   = &mt9e013_sensor_7627a_info,
	.csi_if		= 1
};

static struct platform_device msm_camera_sensor_mt9e013 = {
	.name      = "msm_camera_mt9e013",
	.dev       = {
		.platform_data = &msm_camera_sensor_mt9e013_data,
	},
};
#endif

#ifdef CONFIG_OV5640
static struct msm_camera_sensor_platform_info ov5640_sensor_info = {
	.mount_angle    = 90
};

static struct msm_camera_sensor_flash_src msm_flash_src_ov5640 = {
	.flash_sr_type = MSM_CAMERA_FLASH_SRC_LED,
	._fsrc.led_src.led_name = "flashlight",
	._fsrc.led_src.led_name_len = 10,
};

static struct msm_camera_sensor_flash_data flash_ov5640 = {
	.flash_type     = MSM_CAMERA_FLASH_LED,
	.flash_src      = &msm_flash_src_ov5640,
};

static struct msm_camera_sensor_info msm_camera_sensor_ov5640_data = {
	.sensor_name	    = "ov5640",
	.sensor_reset_enable    = 1,
	.sensor_reset	   = QRD_GPIO_CAM_5MP_RESET,
	.sensor_pwd	     = QRD_GPIO_CAM_5MP_SHDN_EN,
	.vcm_pwd		= 0,
	.vcm_enable	     = 0,
	.pdata			= &msm_camera_device_data_rear,
	.flash_data	     = &flash_ov5640,
	.sensor_platform_info   = &ov5640_sensor_info,
	.csi_if		 = 1,
};

static struct platform_device msm_camera_sensor_ov5640 = {
	.name   = "msm_camera_ov5640",
	.dev    = {
		.platform_data = &msm_camera_sensor_ov5640_data,
	},
};
#endif

#ifdef CONFIG_WEBCAM_OV7692_QRD
static struct msm_camera_sensor_platform_info ov7692_sensor_7627a_info = {
	.mount_angle = 90
};

static struct msm_camera_sensor_flash_data flash_ov7692 = {
	.flash_type     = MSM_CAMERA_FLASH_NONE,
};

static struct msm_camera_sensor_info msm_camera_sensor_ov7692_data = {
	.sensor_name	    = "ov7692",
	.sensor_reset_enable    = 0,
	.sensor_reset	   = 0,
	.sensor_pwd	     = QRD_GPIO_CAM_3MP_PWDN,
	.vcm_pwd		= 0,
	.vcm_enable	     = 0,
	.pdata			= &msm_camera_device_data_front,
	.flash_data	     = &flash_ov7692,
	.sensor_platform_info   = &ov7692_sensor_7627a_info,
	.csi_if		 = 1,
};

static struct platform_device msm_camera_sensor_ov7692 = {
	.name   = "msm_camera_ov7692",
	.dev    = {
		.platform_data = &msm_camera_sensor_ov7692_data,
	},
};
#endif

enum {
	SX150X_CAM,
};

static struct sx150x_platform_data sx150x_data[] __initdata = {
	[SX150X_CAM]    = {
		.gpio_base	      = GPIO_CAM_EXPANDER_BASE,
		.oscio_is_gpo	   = false,
		.io_pullup_ena	  = 0,
		.io_pulldn_ena	  = 0,
		.io_open_drain_ena      = 0x23,
		.irq_summary	    = -1,
	},
};

static struct i2c_board_info cam_exp_i2c_info[] __initdata = {
	{
		I2C_BOARD_INFO("sx1508q", 0x22),
		.platform_data  = &sx150x_data[SX150X_CAM],
	},
};

static struct i2c_board_info i2c_camera_devices[] = {
	#ifdef CONFIG_S5K4E1
	{
		I2C_BOARD_INFO("s5k4e1", 0x36),
	},
	{
		I2C_BOARD_INFO("s5k4e1_af", 0x8c >> 1),
	},
	#endif
	#ifdef CONFIG_WEBCAM_OV9726
	{
		I2C_BOARD_INFO("ov9726", 0x10),
	},
	#endif
	#ifdef CONFIG_IMX072
	{
		I2C_BOARD_INFO("imx072", 0x34),
	},
	#endif
	#ifdef CONFIG_MT9E013
	{
		I2C_BOARD_INFO("mt9e013", 0x6C >> 2),
	},
	#endif
	{
		I2C_BOARD_INFO("sc628a", 0x6E),
	},
};

static struct i2c_board_info i2c_camera_devices_qrd[] = {
	#ifdef CONFIG_OV5640
	{
		I2C_BOARD_INFO("ov5640", 0x78 >> 1),
	},
	#endif
	#ifdef CONFIG_WEBCAM_OV7692_QRD
	{
		I2C_BOARD_INFO("ov7692", 0x78),
	},
	#endif
};

static struct platform_device *camera_devices_msm[] __initdata = {
#ifdef CONFIG_S5K4E1
	&msm_camera_sensor_s5k4e1,
#endif
#ifdef CONFIG_IMX072
	&msm_camera_sensor_imx072,
#endif
#ifdef CONFIG_WEBCAM_OV9726
	&msm_camera_sensor_ov9726,
#endif
#ifdef CONFIG_MT9E013
	&msm_camera_sensor_mt9e013,
#endif
};

static struct platform_device *camera_devices_qrd[] __initdata = {
#ifdef CONFIG_OV5640
	&msm_camera_sensor_ov5640,
#endif
#ifdef CONFIG_WEBCAM_OV7692_QRD
	&msm_camera_sensor_ov7692,
#endif
};

static void __init register_i2c_devices(void)
{
	i2c_register_board_info(MSM_GSBI0_QUP_I2C_BUS_ID,
				cam_exp_i2c_info,
				ARRAY_SIZE(cam_exp_i2c_info));
}

void __init msm7627a_camera_init(void)
{
	int rc;

	if (machine_is_msm7627a_qrd1()) {
		qrd1_camera_gpio_cfg();
		platform_add_devices(camera_devices_qrd,
				ARRAY_SIZE(camera_devices_qrd));
	} else if (machine_is_msm7627a_evb())
		return;
	else
		platform_add_devices(camera_devices_msm,
				ARRAY_SIZE(camera_devices_msm));

	if (!machine_is_msm7627a_qrd1())
		register_i2c_devices();

	rc = regulator_bulk_get(NULL, ARRAY_SIZE(regs_camera), regs_camera);

	if (rc) {
		pr_err("%s: could not get regulators: %d\n", __func__, rc);
		return;
	}

	rc = regulator_bulk_set_voltage(ARRAY_SIZE(regs_camera), regs_camera);

	if (rc) {
		pr_err("%s: could not set voltages: %d\n", __func__, rc);
		return;
	}

	if (machine_is_msm7627a_qrd1())
		i2c_register_board_info(MSM_GSBI0_QUP_I2C_BUS_ID,
				i2c_camera_devices_qrd,
				ARRAY_SIZE(i2c_camera_devices_qrd));
	else
		i2c_register_board_info(MSM_GSBI0_QUP_I2C_BUS_ID,
				i2c_camera_devices,
				ARRAY_SIZE(i2c_camera_devices));
}