/*
   * Copyright (C) 2009 Texas Instruments Inc.
   *
   * Modified from mach-omap2/board-zoom2.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/input.h>
  #include <linux/input/matrix_keypad.h>
  #include <linux/gpio.h>

  #include <linux/i2c/twl.h>

  #include <linux/regulator/machine.h>

  #include <linux/regulator/fixed.h>

  #include <linux/wl12xx.h>

  #include <linux/mmc/host.h>

  
  #include <asm/mach-types.h>
  #include <asm/mach/arch.h>
  #include <asm/mach/map.h>
  
  #include <plat/common.h>
  #include <plat/usb.h>

  #include <mach/board-zoom.h>

  #include "mux.h"

  #include "hsmmc.h"

  #include "common-board-devices.h"

  #define OMAP_ZOOM_WLAN_PMENA_GPIO	(101)

  #define OMAP_ZOOM_WLAN_IRQ_GPIO		(162)

  #define LCD_PANEL_ENABLE_GPIO		(7 + OMAP_MAX_GPIO_LINES)

  /* Zoom2 has Qwerty keyboard*/

  static uint32_t board_keymap[] = {

  	KEY(0, 0, KEY_E),
  	KEY(0, 1, KEY_R),
  	KEY(0, 2, KEY_T),
  	KEY(0, 3, KEY_HOME),
  	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, 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, 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, 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, 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_UNKNOWN),

  	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_BACKSPACE),
  	KEY(6, 6, KEY_P),

  	KEY(6, 7, KEY_UP),

  	KEY(7, 0, KEY_PROG1),	/*MACRO 1 <User defined> */
  	KEY(7, 1, KEY_PROG2),	/*MACRO 2 <User defined> */
  	KEY(7, 2, KEY_PROG3),	/*MACRO 3 <User defined> */
  	KEY(7, 3, KEY_PROG4),	/*MACRO 4 <User defined> */

  	KEY(7, 6, KEY_SELECT),

  	KEY(7, 7, KEY_DOWN)
  };
  
  static struct matrix_keymap_data board_map_data = {
  	.keymap			= board_keymap,
  	.keymap_size		= ARRAY_SIZE(board_keymap),
  };

  static struct twl4030_keypad_data zoom_kp_twl4030_data = {

  	.keymap_data	= &board_map_data,
  	.rows		= 8,
  	.cols		= 8,
  	.rep		= 1,
  };

  static struct regulator_consumer_supply zoom_vmmc1_supply[] = {
  	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),

  };

  static struct regulator_consumer_supply zoom_vsim_supply[] = {
  	REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),

  };

  static struct regulator_consumer_supply zoom_vmmc2_supply[] = {
  	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"),

  };

  static struct regulator_consumer_supply zoom_vmmc3_supply[] = {
  	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2"),

  };

  /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */

  static struct regulator_init_data zoom_vmmc1 = {

  	.constraints = {
  		.min_uV			= 1850000,
  		.max_uV			= 3150000,
  		.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(zoom_vmmc1_supply),
  	.consumer_supplies      = zoom_vmmc1_supply,

  };
  
  /* VMMC2 for MMC2 card */

  static struct regulator_init_data zoom_vmmc2 = {

  	.constraints = {
  		.min_uV			= 1850000,
  		.max_uV			= 1850000,
  		.apply_uV		= true,
  		.valid_modes_mask	= REGULATOR_MODE_NORMAL
  					| REGULATOR_MODE_STANDBY,
  		.valid_ops_mask		= REGULATOR_CHANGE_MODE
  					| REGULATOR_CHANGE_STATUS,
  	},

  	.num_consumer_supplies  = ARRAY_SIZE(zoom_vmmc2_supply),
  	.consumer_supplies      = zoom_vmmc2_supply,

  };
  
  /* VSIM for OMAP VDD_MMC1A (i/o for DAT4..DAT7) */

  static struct regulator_init_data zoom_vsim = {

  	.constraints = {
  		.min_uV			= 1800000,
  		.max_uV			= 3000000,
  		.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(zoom_vsim_supply),
  	.consumer_supplies      = zoom_vsim_supply,

  };

  static struct regulator_init_data zoom_vmmc3 = {
  	.constraints = {
  		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
  	},

  	.num_consumer_supplies	= ARRAY_SIZE(zoom_vmmc3_supply),
  	.consumer_supplies	= zoom_vmmc3_supply,

  };
  
  static struct fixed_voltage_config zoom_vwlan = {
  	.supply_name		= "vwl1271",
  	.microvolts		= 1800000, /* 1.8V */
  	.gpio			= OMAP_ZOOM_WLAN_PMENA_GPIO,
  	.startup_delay		= 70000, /* 70msec */
  	.enable_high		= 1,
  	.enabled_at_boot	= 0,
  	.init_data		= &zoom_vmmc3,
  };
  
  static struct platform_device omap_vwlan_device = {
  	.name		= "reg-fixed-voltage",
  	.id		= 1,
  	.dev = {
  		.platform_data	= &zoom_vwlan,
  	},
  };

  static struct wl12xx_platform_data omap_zoom_wlan_data __initdata = {

  	.irq = OMAP_GPIO_IRQ(OMAP_ZOOM_WLAN_IRQ_GPIO),
  	/* ZOOM ref clock is 26 MHz */
  	.board_ref_clock = 1,
  };

  static struct omap2_hsmmc_info mmc[] = {

  	{

  		.name		= "external",

  		.mmc		= 1,

  		.caps		= MMC_CAP_4_BIT_DATA,

  		.gpio_wp	= -EINVAL,

  		.power_saving	= true,

  	},
  	{

  		.name		= "internal",

  		.mmc		= 2,

  		.caps		= MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,

  		.gpio_cd	= -EINVAL,

  		.gpio_wp	= -EINVAL,

  		.nonremovable	= true,
  		.power_saving	= true,

  	},

  	{
  		.name		= "wl1271",
  		.mmc		= 3,

  		.caps		= MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,

  		.gpio_wp	= -EINVAL,
  		.gpio_cd	= -EINVAL,
  		.nonremovable	= true,
  	},

  	{}      /* Terminator */
  };

  static int zoom_twl_gpio_setup(struct device *dev,

  		unsigned gpio, unsigned ngpio)
  {

  	int ret;

  	/* gpio + 0 is "mmc0_cd" (input/IRQ) */

  	mmc[0].gpio_cd = gpio + 0;

  	omap2_hsmmc_init(mmc);

  	ret = gpio_request_one(LCD_PANEL_ENABLE_GPIO, GPIOF_OUT_INIT_LOW,
  			       "lcd enable");
  	if (ret)

  		pr_err("Failed to get LCD_PANEL_ENABLE_GPIO (gpio%d).
  ",
  				LCD_PANEL_ENABLE_GPIO);

  
  	return ret;

  }

  /* EXTMUTE callback function */

  static void zoom2_set_hs_extmute(int mute)

  {
  	gpio_set_value(ZOOM2_HEADSET_EXTMUTE_GPIO, mute);
  }

  static struct twl4030_gpio_platform_data zoom_gpio_data = {

  	.gpio_base	= OMAP_MAX_GPIO_LINES,
  	.irq_base	= TWL4030_GPIO_IRQ_BASE,
  	.irq_end	= TWL4030_GPIO_IRQ_END,

  	.setup		= zoom_twl_gpio_setup,

  };

  static struct twl4030_platform_data zoom_twldata = {

  	/* platform_data for children goes here */

  	.gpio		= &zoom_gpio_data,
  	.keypad		= &zoom_kp_twl4030_data,

  	.vmmc1          = &zoom_vmmc1,

  	.vmmc2          = &zoom_vmmc2,
  	.vsim           = &zoom_vsim,

  };

  static int __init omap_i2c_init(void)
  {

  	omap3_pmic_get_config(&zoom_twldata,

  			TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_BCI |
  			TWL_COMMON_PDATA_MADC | TWL_COMMON_PDATA_AUDIO,
  			TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);

  	if (machine_is_omap_zoom2()) {

  		struct twl4030_codec_data *codec_data;
  		codec_data = zoom_twldata.audio->codec;

  		codec_data->ramp_delay_value = 3;	/* 161 ms */
  		codec_data->hs_extmute = 1;
  		codec_data->set_hs_extmute = zoom2_set_hs_extmute;

  	}

  	omap_pmic_init(1, 2400, "twl5030", INT_34XX_SYS_NIRQ, &zoom_twldata);

  	omap_register_i2c_bus(2, 400, NULL, 0);
  	omap_register_i2c_bus(3, 400, NULL, 0);
  	return 0;
  }

  static void enable_board_wakeup_source(void)
  {
  	/* T2 interrupt line (keypad) */
  	omap_mux_init_signal("sys_nirq",
  		OMAP_WAKEUP_EN | OMAP_PIN_INPUT_PULLUP);
  }

  void __init zoom_peripherals_init(void)
  {

  	if (wl12xx_set_platform_data(&omap_zoom_wlan_data))
  		pr_err("error setting wl12xx data
  ");

  	omap_i2c_init();

  	platform_device_register(&omap_vwlan_device);

  	usb_musb_init(NULL);

  	enable_board_wakeup_source();

  	omap_serial_init();

  }