/*
 * Board support file for OMAP4430 SDP.
 *
 * Copyright (C) 2009 Texas Instruments
 *
 * Author: Santosh Shilimkar <santosh.shilimkar@ti.com>
 *
 * Based on mach-omap2/board-3430sdp.c
 *
 * 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.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/usb/otg.h>
#include <linux/spi/spi.h>
#include <linux/i2c/twl.h>
#include <linux/gpio_keys.h>
#include <linux/regulator/machine.h>
#include <linux/leds.h>
#include <linux/leds_pwm.h>

#include <mach/hardware.h>
#include <mach/omap4-common.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>

#include <plat/board.h>
#include <plat/common.h>
#include <plat/usb.h>
#include <plat/mmc.h>
#include <plat/omap4-keypad.h>
#include <video/omapdss.h>

#include "mux.h"
#include "hsmmc.h"
#include "control.h"
#include "common-board-devices.h"

#define ETH_KS8851_IRQ			34
#define ETH_KS8851_POWER_ON		48
#define ETH_KS8851_QUART		138
#define OMAP4_SFH7741_SENSOR_OUTPUT_GPIO	184
#define OMAP4_SFH7741_ENABLE_GPIO		188
#define HDMI_GPIO_HPD 60 /* Hot plug pin for HDMI */
#define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */

static const int sdp4430_keymap[] = {
	KEY(0, 0, KEY_E),
	KEY(0, 1, KEY_R),
	KEY(0, 2, KEY_T),
	KEY(0, 3, KEY_HOME),
	KEY(0, 4, KEY_F5),
	KEY(0, 5, KEY_UNKNOWN),
	KEY(0, 6, KEY_I),
	KEY(0, 7, KEY_LEFTSHIFT),

	KEY(1, 0, KEY_D),
	KEY(1, 1, KEY_F),
	KEY(1, 2, KEY_G),
	KEY(1, 3, KEY_SEND),
	KEY(1, 4, KEY_F6),
	KEY(1, 5, KEY_UNKNOWN),
	KEY(1, 6, KEY_K),
	KEY(1, 7, KEY_ENTER),

	KEY(2, 0, KEY_X),
	KEY(2, 1, KEY_C),
	KEY(2, 2, KEY_V),
	KEY(2, 3, KEY_END),
	KEY(2, 4, KEY_F7),
	KEY(2, 5, KEY_UNKNOWN),
	KEY(2, 6, KEY_DOT),
	KEY(2, 7, KEY_CAPSLOCK),

	KEY(3, 0, KEY_Z),
	KEY(3, 1, KEY_KPPLUS),
	KEY(3, 2, KEY_B),
	KEY(3, 3, KEY_F1),
	KEY(3, 4, KEY_F8),
	KEY(3, 5, KEY_UNKNOWN),
	KEY(3, 6, KEY_O),
	KEY(3, 7, KEY_SPACE),

	KEY(4, 0, KEY_W),
	KEY(4, 1, KEY_Y),
	KEY(4, 2, KEY_U),
	KEY(4, 3, KEY_F2),
	KEY(4, 4, KEY_VOLUMEUP),
	KEY(4, 5, KEY_UNKNOWN),
	KEY(4, 6, KEY_L),
	KEY(4, 7, KEY_LEFT),

	KEY(5, 0, KEY_S),
	KEY(5, 1, KEY_H),
	KEY(5, 2, KEY_J),
	KEY(5, 3, KEY_F3),
	KEY(5, 4, KEY_F9),
	KEY(5, 5, KEY_VOLUMEDOWN),
	KEY(5, 6, KEY_M),
	KEY(5, 7, KEY_RIGHT),

	KEY(6, 0, KEY_Q),
	KEY(6, 1, KEY_A),
	KEY(6, 2, KEY_N),
	KEY(6, 3, KEY_BACK),
	KEY(6, 4, KEY_BACKSPACE),
	KEY(6, 5, KEY_UNKNOWN),
	KEY(6, 6, KEY_P),
	KEY(6, 7, KEY_UP),

	KEY(7, 0, KEY_PROG1),
	KEY(7, 1, KEY_PROG2),
	KEY(7, 2, KEY_PROG3),
	KEY(7, 3, KEY_PROG4),
	KEY(7, 4, KEY_F4),
	KEY(7, 5, KEY_UNKNOWN),
	KEY(7, 6, KEY_OK),
	KEY(7, 7, KEY_DOWN),
};

static struct matrix_keymap_data sdp4430_keymap_data = {
	.keymap			= sdp4430_keymap,
	.keymap_size		= ARRAY_SIZE(sdp4430_keymap),
};

static struct omap4_keypad_platform_data sdp4430_keypad_data = {
	.keymap_data		= &sdp4430_keymap_data,
	.rows			= 8,
	.cols			= 8,
};
static struct gpio_led sdp4430_gpio_leds[] = {
	{
		.name	= "omap4:green:debug0",
		.gpio	= 61,
	},
	{
		.name	= "omap4:green:debug1",
		.gpio	= 30,
	},
	{
		.name	= "omap4:green:debug2",
		.gpio	= 7,
	},
	{
		.name	= "omap4:green:debug3",
		.gpio	= 8,
	},
	{
		.name	= "omap4:green:debug4",
		.gpio	= 50,
	},
	{
		.name	= "omap4:blue:user",
		.gpio	= 169,
	},
	{
		.name	= "omap4:red:user",
		.gpio	= 170,
	},
	{
		.name	= "omap4:green:user",
		.gpio	= 139,
	},

};

static struct gpio_keys_button sdp4430_gpio_keys[] = {
	{
		.desc			= "Proximity Sensor",
		.type			= EV_SW,
		.code			= SW_FRONT_PROXIMITY,
		.gpio			= OMAP4_SFH7741_SENSOR_OUTPUT_GPIO,
		.active_low		= 0,
	}
};

static struct gpio_led_platform_data sdp4430_led_data = {
	.leds	= sdp4430_gpio_leds,
	.num_leds	= ARRAY_SIZE(sdp4430_gpio_leds),
};

static struct led_pwm sdp4430_pwm_leds[] = {
	{
		.name		= "omap4:green:chrg",
		.pwm_id		= 1,
		.max_brightness	= 255,
		.pwm_period_ns	= 7812500,
	},
};

static struct led_pwm_platform_data sdp4430_pwm_data = {
	.num_leds	= ARRAY_SIZE(sdp4430_pwm_leds),
	.leds		= sdp4430_pwm_leds,
};

static struct platform_device sdp4430_leds_pwm = {
	.name	= "leds_pwm",
	.id	= -1,
	.dev	= {
		.platform_data = &sdp4430_pwm_data,
	},
};

static int omap_prox_activate(struct device *dev)
{
	gpio_set_value(OMAP4_SFH7741_ENABLE_GPIO , 1);
	return 0;
}

static void omap_prox_deactivate(struct device *dev)
{
	gpio_set_value(OMAP4_SFH7741_ENABLE_GPIO , 0);
}

static struct gpio_keys_platform_data sdp4430_gpio_keys_data = {
	.buttons	= sdp4430_gpio_keys,
	.nbuttons	= ARRAY_SIZE(sdp4430_gpio_keys),
	.enable		= omap_prox_activate,
	.disable	= omap_prox_deactivate,
};

static struct platform_device sdp4430_gpio_keys_device = {
	.name	= "gpio-keys",
	.id	= -1,
	.dev	= {
		.platform_data	= &sdp4430_gpio_keys_data,
	},
};

static struct platform_device sdp4430_leds_gpio = {
	.name	= "leds-gpio",
	.id	= -1,
	.dev	= {
		.platform_data = &sdp4430_led_data,
	},
};
static struct spi_board_info sdp4430_spi_board_info[] __initdata = {
	{
		.modalias               = "ks8851",
		.bus_num                = 1,
		.chip_select            = 0,
		.max_speed_hz           = 24000000,
		.irq                    = ETH_KS8851_IRQ,
	},
};

static struct gpio sdp4430_eth_gpios[] __initdata = {
	{ ETH_KS8851_POWER_ON,	GPIOF_OUT_INIT_HIGH,	"eth_power"	},
	{ ETH_KS8851_QUART,	GPIOF_OUT_INIT_HIGH,	"quart"		},
	{ ETH_KS8851_IRQ,	GPIOF_IN,		"eth_irq"	},
};

static int __init omap_ethernet_init(void)
{
	int status;

	/* Request of GPIO lines */
	status = gpio_request_array(sdp4430_eth_gpios,
				    ARRAY_SIZE(sdp4430_eth_gpios));
	if (status)
		pr_err("Cannot request ETH GPIOs\n");

	return status;
}

static struct platform_device sdp4430_lcd_device = {
	.name		= "sdp4430_lcd",
	.id		= -1,
};

static struct platform_device *sdp4430_devices[] __initdata = {
	&sdp4430_lcd_device,
	&sdp4430_gpio_keys_device,
	&sdp4430_leds_gpio,
	&sdp4430_leds_pwm,
};

static struct omap_lcd_config sdp4430_lcd_config __initdata = {
	.ctrl_name	= "internal",
};

static struct omap_board_config_kernel sdp4430_config[] __initdata = {
	{ OMAP_TAG_LCD,		&sdp4430_lcd_config },
};

static void __init omap_4430sdp_init_early(void)
{
	omap2_init_common_infrastructure();
	omap2_init_common_devices(NULL, NULL);
}

static struct omap_musb_board_data musb_board_data = {
	.interface_type		= MUSB_INTERFACE_UTMI,
	.mode			= MUSB_OTG,
	.power			= 100,
};

static struct omap2_hsmmc_info mmc[] = {
	{
		.mmc		= 2,
		.caps		=  MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
		.gpio_cd	= -EINVAL,
		.gpio_wp	= -EINVAL,
		.nonremovable   = true,
		.ocr_mask	= MMC_VDD_29_30,
		.no_off_init	= true,
	},
	{
		.mmc		= 1,
		.caps		= MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
		.gpio_wp	= -EINVAL,
	},
	{}	/* Terminator */
};

static struct regulator_consumer_supply sdp4430_vaux_supply[] = {
	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"),
};

static int omap4_twl6030_hsmmc_late_init(struct device *dev)
{
	int ret = 0;
	struct platform_device *pdev = container_of(dev,
				struct platform_device, dev);
	struct omap_mmc_platform_data *pdata = dev->platform_data;

	/* Setting MMC1 Card detect Irq */
	if (pdev->id == 0) {
		ret = twl6030_mmc_card_detect_config();
		if (ret)
			pr_err("Failed configuring MMC1 card detect\n");
		pdata->slots[0].card_detect_irq = TWL6030_IRQ_BASE +
						MMCDETECT_INTR_OFFSET;
		pdata->slots[0].card_detect = twl6030_mmc_card_detect;
	}
	return ret;
}

static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
{
	struct omap_mmc_platform_data *pdata;

	/* dev can be null if CONFIG_MMC_OMAP_HS is not set */
	if (!dev) {
		pr_err("Failed %s\n", __func__);
		return;
	}
	pdata = dev->platform_data;
	pdata->init =	omap4_twl6030_hsmmc_late_init;
}

static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
{
	struct omap2_hsmmc_info *c;

	omap2_hsmmc_init(controllers);
	for (c = controllers; c->mmc; c++)
		omap4_twl6030_hsmmc_set_late_init(c->dev);

	return 0;
}

static struct regulator_init_data sdp4430_vaux1 = {
	.constraints = {
		.min_uV			= 1000000,
		.max_uV			= 3000000,
		.apply_uV		= true,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask	 = REGULATOR_CHANGE_VOLTAGE
					| REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies  = ARRAY_SIZE(sdp4430_vaux_supply),
	.consumer_supplies      = sdp4430_vaux_supply,
};

static struct regulator_init_data sdp4430_vusim = {
	.constraints = {
		.min_uV			= 1200000,
		.max_uV			= 2900000,
		.apply_uV		= true,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask	 = REGULATOR_CHANGE_VOLTAGE
					| REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
};

static struct twl4030_platform_data sdp4430_twldata = {
	/* Regulators */
	.vusim		= &sdp4430_vusim,
	.vaux1		= &sdp4430_vaux1,
};

static struct i2c_board_info __initdata sdp4430_i2c_3_boardinfo[] = {
	{
		I2C_BOARD_INFO("tmp105", 0x48),
	},
	{
		I2C_BOARD_INFO("bh1780", 0x29),
	},
};
static struct i2c_board_info __initdata sdp4430_i2c_4_boardinfo[] = {
	{
		I2C_BOARD_INFO("hmc5843", 0x1e),
	},
};
static int __init omap4_i2c_init(void)
{
	omap4_pmic_get_config(&sdp4430_twldata, TWL_COMMON_PDATA_USB,
			TWL_COMMON_REGULATOR_VDAC |
			TWL_COMMON_REGULATOR_VAUX2 |
			TWL_COMMON_REGULATOR_VAUX3 |
			TWL_COMMON_REGULATOR_VMMC |
			TWL_COMMON_REGULATOR_VPP |
			TWL_COMMON_REGULATOR_VANA |
			TWL_COMMON_REGULATOR_VCXIO |
			TWL_COMMON_REGULATOR_VUSB |
			TWL_COMMON_REGULATOR_CLK32KG);
	omap4_pmic_init("twl6030", &sdp4430_twldata);
	omap_register_i2c_bus(2, 400, NULL, 0);
	omap_register_i2c_bus(3, 400, sdp4430_i2c_3_boardinfo,
				ARRAY_SIZE(sdp4430_i2c_3_boardinfo));
	omap_register_i2c_bus(4, 400, sdp4430_i2c_4_boardinfo,
				ARRAY_SIZE(sdp4430_i2c_4_boardinfo));
	return 0;
}

static void __init omap_sfh7741prox_init(void)
{
	int error;

	error = gpio_request_one(OMAP4_SFH7741_ENABLE_GPIO,
				 GPIOF_OUT_INIT_LOW, "sfh7741");
	if (error < 0)
		pr_err("%s:failed to request GPIO %d, error %d\n",
			__func__, OMAP4_SFH7741_ENABLE_GPIO, error);
}

static void sdp4430_hdmi_mux_init(void)
{
	/* PAD0_HDMI_HPD_PAD1_HDMI_CEC */
	omap_mux_init_signal("hdmi_hpd",
			OMAP_PIN_INPUT_PULLUP);
	omap_mux_init_signal("hdmi_cec",
			OMAP_PIN_INPUT_PULLUP);
	/* PAD0_HDMI_DDC_SCL_PAD1_HDMI_DDC_SDA */
	omap_mux_init_signal("hdmi_ddc_scl",
			OMAP_PIN_INPUT_PULLUP);
	omap_mux_init_signal("hdmi_ddc_sda",
			OMAP_PIN_INPUT_PULLUP);
}

static struct gpio sdp4430_hdmi_gpios[] = {
	{ HDMI_GPIO_HPD,	GPIOF_OUT_INIT_HIGH,	"hdmi_gpio_hpd"   },
	{ HDMI_GPIO_LS_OE,	GPIOF_OUT_INIT_HIGH,	"hdmi_gpio_ls_oe" },
};

static int sdp4430_panel_enable_hdmi(struct omap_dss_device *dssdev)
{
	int status;

	status = gpio_request_array(sdp4430_hdmi_gpios,
				    ARRAY_SIZE(sdp4430_hdmi_gpios));
	if (status)
		pr_err("%s: Cannot request HDMI GPIOs\n", __func__);

	return status;
}

static void sdp4430_panel_disable_hdmi(struct omap_dss_device *dssdev)
{
	gpio_free(HDMI_GPIO_LS_OE);
	gpio_free(HDMI_GPIO_HPD);
}

static struct omap_dss_device sdp4430_hdmi_device = {
	.name = "hdmi",
	.driver_name = "hdmi_panel",
	.type = OMAP_DISPLAY_TYPE_HDMI,
	.clocks	= {
		.dispc	= {
			.dispc_fclk_src	= OMAP_DSS_CLK_SRC_FCK,
		},
		.hdmi	= {
			.regn	= 15,
			.regm2	= 1,
		},
	},
	.platform_enable = sdp4430_panel_enable_hdmi,
	.platform_disable = sdp4430_panel_disable_hdmi,
	.channel = OMAP_DSS_CHANNEL_DIGIT,
};

static struct omap_dss_device *sdp4430_dss_devices[] = {
	&sdp4430_hdmi_device,
};

static struct omap_dss_board_info sdp4430_dss_data = {
	.num_devices	= ARRAY_SIZE(sdp4430_dss_devices),
	.devices	= sdp4430_dss_devices,
	.default_device	= &sdp4430_hdmi_device,
};

void omap_4430sdp_display_init(void)
{
	sdp4430_hdmi_mux_init();
	omap_display_init(&sdp4430_dss_data);
}

#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
	OMAP4_MUX(USBB2_ULPITLL_CLK, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
	{ .reg_offset = OMAP_MUX_TERMINATOR },
};

static struct omap_device_pad serial2_pads[] __initdata = {
	OMAP_MUX_STATIC("uart2_cts.uart2_cts",
			 OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
	OMAP_MUX_STATIC("uart2_rts.uart2_rts",
			 OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
	OMAP_MUX_STATIC("uart2_rx.uart2_rx",
			 OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
	OMAP_MUX_STATIC("uart2_tx.uart2_tx",
			 OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
};

static struct omap_device_pad serial3_pads[] __initdata = {
	OMAP_MUX_STATIC("uart3_cts_rctx.uart3_cts_rctx",
			 OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
	OMAP_MUX_STATIC("uart3_rts_sd.uart3_rts_sd",
			 OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
	OMAP_MUX_STATIC("uart3_rx_irrx.uart3_rx_irrx",
			 OMAP_PIN_INPUT | OMAP_MUX_MODE0),
	OMAP_MUX_STATIC("uart3_tx_irtx.uart3_tx_irtx",
			 OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
};

static struct omap_device_pad serial4_pads[] __initdata = {
	OMAP_MUX_STATIC("uart4_rx.uart4_rx",
			 OMAP_PIN_INPUT | OMAP_MUX_MODE0),
	OMAP_MUX_STATIC("uart4_tx.uart4_tx",
			 OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
};

static struct omap_board_data serial2_data __initdata = {
	.id		= 1,
	.pads		= serial2_pads,
	.pads_cnt	= ARRAY_SIZE(serial2_pads),
};

static struct omap_board_data serial3_data __initdata = {
	.id		= 2,
	.pads		= serial3_pads,
	.pads_cnt	= ARRAY_SIZE(serial3_pads),
};

static struct omap_board_data serial4_data __initdata = {
	.id		= 3,
	.pads		= serial4_pads,
	.pads_cnt	= ARRAY_SIZE(serial4_pads),
};

static inline void board_serial_init(void)
{
	struct omap_board_data bdata;
	bdata.flags	= 0;
	bdata.pads	= NULL;
	bdata.pads_cnt	= 0;
	bdata.id	= 0;
	/* pass dummy data for UART1 */
	omap_serial_init_port(&bdata);

	omap_serial_init_port(&serial2_data);
	omap_serial_init_port(&serial3_data);
	omap_serial_init_port(&serial4_data);
}
#else
#define board_mux	NULL

static inline void board_serial_init(void)
{
	omap_serial_init();
}
 #endif

static void __init omap_4430sdp_init(void)
{
	int status;
	int package = OMAP_PACKAGE_CBS;

	if (omap_rev() == OMAP4430_REV_ES1_0)
		package = OMAP_PACKAGE_CBL;
	omap4_mux_init(board_mux, NULL, package);

	omap_board_config = sdp4430_config;
	omap_board_config_size = ARRAY_SIZE(sdp4430_config);

	omap4_i2c_init();
	omap_sfh7741prox_init();
	platform_add_devices(sdp4430_devices, ARRAY_SIZE(sdp4430_devices));
	board_serial_init();
	omap4_twl6030_hsmmc_init(mmc);

	usb_musb_init(&musb_board_data);

	status = omap_ethernet_init();
	if (status) {
		pr_err("Ethernet initialization failed: %d\n", status);
	} else {
		sdp4430_spi_board_info[0].irq = gpio_to_irq(ETH_KS8851_IRQ);
		spi_register_board_info(sdp4430_spi_board_info,
				ARRAY_SIZE(sdp4430_spi_board_info));
	}

	status = omap4_keyboard_init(&sdp4430_keypad_data);
	if (status)
		pr_err("Keypad initialization failed: %d\n", status);

	omap_4430sdp_display_init();
}

static void __init omap_4430sdp_map_io(void)
{
	omap2_set_globals_443x();
	omap44xx_map_common_io();
}

MACHINE_START(OMAP_4430SDP, "OMAP4430 4430SDP board")
	/* Maintainer: Santosh Shilimkar - Texas Instruments Inc */
	.boot_params	= 0x80000100,
	.reserve	= omap_reserve,
	.map_io		= omap_4430sdp_map_io,
	.init_early	= omap_4430sdp_init_early,
	.init_irq	= gic_init_irq,
	.init_machine	= omap_4430sdp_init,
	.timer		= &omap4_timer,
MACHINE_END