/*
   * linux/arch/arm/mach-omap1/board-ams-delta.c
   *
   * Modified from board-generic.c
   *
   * Board specific inits for the Amstrad E3 (codename Delta) videophone
   *
   * Copyright (C) 2006 Jonathan McDowell <noodles@earth.li>
   *
   * 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/gpio.h>

  #include <linux/kernel.h>
  #include <linux/init.h>

  #include <linux/input.h>

  #include <linux/interrupt.h>

  #include <linux/leds.h>

  #include <linux/platform_device.h>

  #include <linux/serial_8250.h>

  #include <linux/export.h>

  #include <media/soc_camera.h>

  #include <asm/serial.h>

  #include <mach/hardware.h>

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

  #include <plat/io.h>

  #include <plat/board-ams-delta.h>

  #include <plat/keypad.h>
  #include <plat/mux.h>
  #include <plat/usb.h>
  #include <plat/board.h>

  #include "common.h"

  #include <mach/camera.h>

  #include <mach/ams-delta-fiq.h>

  static u8 ams_delta_latch1_reg;
  static u16 ams_delta_latch2_reg;

  static const unsigned int ams_delta_keymap[] = {

  	KEY(0, 0, KEY_F1),		/* Advert    */

  	KEY(0, 3, KEY_COFFEE),		/* Games     */
  	KEY(0, 2, KEY_QUESTION),	/* Directory */
  	KEY(2, 3, KEY_CONNECT),		/* Internet  */
  	KEY(1, 2, KEY_SHOP),		/* Services  */

  	KEY(1, 1, KEY_PHONE),		/* VoiceMail */

  	KEY(0, 1, KEY_DELETE),		/* Delete    */

  	KEY(2, 2, KEY_PLAY),		/* Play      */

  	KEY(1, 0, KEY_PAGEUP),		/* Up        */
  	KEY(1, 3, KEY_PAGEDOWN),	/* Down      */
  	KEY(2, 0, KEY_EMAIL),		/* ReadEmail */
  	KEY(2, 1, KEY_STOP),		/* Stop      */

  
  	/* Numeric keypad portion */

  	KEY(0, 7, KEY_KP1),
  	KEY(0, 6, KEY_KP2),
  	KEY(0, 5, KEY_KP3),
  	KEY(1, 7, KEY_KP4),
  	KEY(1, 6, KEY_KP5),
  	KEY(1, 5, KEY_KP6),
  	KEY(2, 7, KEY_KP7),
  	KEY(2, 6, KEY_KP8),
  	KEY(2, 5, KEY_KP9),
  	KEY(3, 6, KEY_KP0),
  	KEY(3, 7, KEY_KPASTERISK),
  	KEY(3, 5, KEY_KPDOT),		/* # key     */
  	KEY(7, 2, KEY_NUMLOCK),		/* Mute      */
  	KEY(7, 1, KEY_KPMINUS),		/* Recall    */
  	KEY(6, 1, KEY_KPPLUS),		/* Redial    */
  	KEY(7, 6, KEY_KPSLASH),		/* Handsfree */
  	KEY(6, 0, KEY_ENTER),		/* Video     */
  
  	KEY(7, 4, KEY_CAMERA),		/* Photo     */
  
  	KEY(0, 4, KEY_F2),		/* Home      */
  	KEY(1, 4, KEY_F3),		/* Office    */
  	KEY(2, 4, KEY_F4),		/* Mobile    */

  	KEY(7, 7, KEY_F5),		/* SMS       */

  	KEY(7, 5, KEY_F6),		/* Email     */

  
  	/* QWERTY portion of keypad */

  	KEY(3, 4, KEY_Q),

  	KEY(3, 3, KEY_W),

  	KEY(3, 2, KEY_E),
  	KEY(3, 1, KEY_R),
  	KEY(3, 0, KEY_T),
  	KEY(4, 7, KEY_Y),
  	KEY(4, 6, KEY_U),
  	KEY(4, 5, KEY_I),

  	KEY(4, 4, KEY_O),

  	KEY(4, 3, KEY_P),

  	KEY(4, 2, KEY_A),
  	KEY(4, 1, KEY_S),
  	KEY(4, 0, KEY_D),
  	KEY(5, 7, KEY_F),
  	KEY(5, 6, KEY_G),

  	KEY(5, 5, KEY_H),

  	KEY(5, 4, KEY_J),
  	KEY(5, 3, KEY_K),
  	KEY(5, 2, KEY_L),

  	KEY(5, 1, KEY_Z),
  	KEY(5, 0, KEY_X),
  	KEY(6, 7, KEY_C),

  	KEY(6, 6, KEY_V),

  	KEY(6, 5, KEY_B),
  	KEY(6, 4, KEY_N),
  	KEY(6, 3, KEY_M),
  	KEY(6, 2, KEY_SPACE),

  	KEY(7, 0, KEY_LEFTSHIFT),	/* Vol up    */
  	KEY(7, 3, KEY_LEFTCTRL),	/* Vol down  */

  };

  void ams_delta_latch1_write(u8 mask, u8 value)
  {
  	ams_delta_latch1_reg &= ~mask;
  	ams_delta_latch1_reg |= value;
  	*(volatile __u8 *) AMS_DELTA_LATCH1_VIRT = ams_delta_latch1_reg;
  }
  
  void ams_delta_latch2_write(u16 mask, u16 value)
  {
  	ams_delta_latch2_reg &= ~mask;
  	ams_delta_latch2_reg |= value;
  	*(volatile __u16 *) AMS_DELTA_LATCH2_VIRT = ams_delta_latch2_reg;
  }

  static struct map_desc ams_delta_io_desc[] __initdata = {

  	/* AMS_DELTA_LATCH1 */

  	{
  		.virtual	= AMS_DELTA_LATCH1_VIRT,
  		.pfn		= __phys_to_pfn(AMS_DELTA_LATCH1_PHYS),
  		.length		= 0x01000000,
  		.type		= MT_DEVICE
  	},

  	/* AMS_DELTA_LATCH2 */

  	{
  		.virtual	= AMS_DELTA_LATCH2_VIRT,
  		.pfn		= __phys_to_pfn(AMS_DELTA_LATCH2_PHYS),
  		.length		= 0x01000000,
  		.type		= MT_DEVICE
  	},

  	/* AMS_DELTA_MODEM */

  	{
  		.virtual	= AMS_DELTA_MODEM_VIRT,
  		.pfn		= __phys_to_pfn(AMS_DELTA_MODEM_PHYS),
  		.length		= 0x01000000,
  		.type		= MT_DEVICE
  	}
  };

  static struct omap_lcd_config ams_delta_lcd_config = {

  	.ctrl_name	= "internal",
  };

  static struct omap_usb_config ams_delta_usb_config __initdata = {
  	.register_host	= 1,
  	.hmc_mode	= 16,
  	.pins[0]	= 2,
  };

  static struct omap_board_config_kernel ams_delta_config[] __initdata = {

  	{ OMAP_TAG_LCD,		&ams_delta_lcd_config },

  };

  static struct resource ams_delta_nand_resources[] = {
  	[0] = {
  		.start	= OMAP1_MPUIO_BASE,
  		.end	= OMAP1_MPUIO_BASE +
  				OMAP_MPUIO_IO_CNTL + sizeof(u32) - 1,
  		.flags	= IORESOURCE_MEM,
  	},
  };

  static struct platform_device ams_delta_nand_device = {
  	.name	= "ams-delta-nand",

  	.id	= -1,
  	.num_resources	= ARRAY_SIZE(ams_delta_nand_resources),
  	.resource	= ams_delta_nand_resources,

  };

  static struct resource ams_delta_kp_resources[] = {
  	[0] = {
  		.start	= INT_KEYBOARD,
  		.end	= INT_KEYBOARD,
  		.flags	= IORESOURCE_IRQ,
  	},
  };

  static const struct matrix_keymap_data ams_delta_keymap_data = {
  	.keymap		= ams_delta_keymap,
  	.keymap_size	= ARRAY_SIZE(ams_delta_keymap),
  };

  static struct omap_kp_platform_data ams_delta_kp_data __initdata = {

  	.rows		= 8,
  	.cols		= 8,

  	.keymap_data	= &ams_delta_keymap_data,

  	.delay		= 9,
  };

  static struct platform_device ams_delta_kp_device = {

  	.name		= "omap-keypad",
  	.id		= -1,
  	.dev		= {
  		.platform_data = &ams_delta_kp_data,
  	},
  	.num_resources	= ARRAY_SIZE(ams_delta_kp_resources),
  	.resource	= ams_delta_kp_resources,
  };

  static struct platform_device ams_delta_lcd_device = {

  	.name	= "lcd_ams_delta",
  	.id	= -1,
  };

  static struct platform_device ams_delta_led_device = {

  	.name	= "ams-delta-led",
  	.id	= -1
  };

  static struct i2c_board_info ams_delta_camera_board_info[] = {
  	{
  		I2C_BOARD_INFO("ov6650", 0x60),
  	},
  };

  #ifdef CONFIG_LEDS_TRIGGERS
  DEFINE_LED_TRIGGER(ams_delta_camera_led_trigger);
  
  static int ams_delta_camera_power(struct device *dev, int power)
  {
  	/*
  	 * turn on camera LED
  	 */
  	if (power)
  		led_trigger_event(ams_delta_camera_led_trigger, LED_FULL);
  	else
  		led_trigger_event(ams_delta_camera_led_trigger, LED_OFF);
  	return 0;
  }
  #else
  #define ams_delta_camera_power	NULL
  #endif

  static struct soc_camera_link ams_delta_iclink = {

  	.bus_id         = 0,	/* OMAP1 SoC camera bus */
  	.i2c_adapter_id = 1,
  	.board_info     = &ams_delta_camera_board_info[0],
  	.module_name    = "ov6650",

  	.power		= ams_delta_camera_power,

  };

  static struct platform_device ams_delta_camera_device = {

  	.name   = "soc-camera-pdrv",
  	.id     = 0,
  	.dev    = {
  		.platform_data = &ams_delta_iclink,
  	},
  };
  
  static struct omap1_cam_platform_data ams_delta_camera_platform_data = {
  	.camexclk_khz	= 12000,	/* default 12MHz clock, no extra DPLL */
  	.lclk_khz_max	= 1334,		/* results in 5fps CIF, 10fps QCIF */
  };

  static struct platform_device *ams_delta_devices[] __initdata = {

  	&ams_delta_nand_device,

  	&ams_delta_kp_device,

  	&ams_delta_lcd_device,

  	&ams_delta_led_device,

  	&ams_delta_camera_device,

  };

  static void __init ams_delta_init(void)
  {

  	/* mux pins for uarts */
  	omap_cfg_reg(UART1_TX);
  	omap_cfg_reg(UART1_RTS);

  	/* parallel camera interface */
  	omap_cfg_reg(H19_1610_CAM_EXCLK);
  	omap_cfg_reg(J15_1610_CAM_LCLK);
  	omap_cfg_reg(L18_1610_CAM_VS);
  	omap_cfg_reg(L15_1610_CAM_HS);
  	omap_cfg_reg(L19_1610_CAM_D0);
  	omap_cfg_reg(K14_1610_CAM_D1);
  	omap_cfg_reg(K15_1610_CAM_D2);
  	omap_cfg_reg(K19_1610_CAM_D3);
  	omap_cfg_reg(K18_1610_CAM_D4);
  	omap_cfg_reg(J14_1610_CAM_D5);
  	omap_cfg_reg(J19_1610_CAM_D6);
  	omap_cfg_reg(J18_1610_CAM_D7);

  	omap_board_config = ams_delta_config;
  	omap_board_config_size = ARRAY_SIZE(ams_delta_config);
  	omap_serial_init();

  	omap_register_i2c_bus(1, 100, NULL, 0);

  
  	/* Clear latch2 (NAND, LCD, modem enable) */
  	ams_delta_latch2_write(~0, 0);

  	omap1_usb_init(&ams_delta_usb_config);

  	omap1_set_camera_info(&ams_delta_camera_platform_data);

  #ifdef CONFIG_LEDS_TRIGGERS
  	led_trigger_register_simple("ams_delta_camera",
  			&ams_delta_camera_led_trigger);
  #endif

  	platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));

  	ams_delta_init_fiq();

  	omap_writew(omap_readw(ARM_RSTCT1) | 0x0004, ARM_RSTCT1);

  }

  static struct plat_serial8250_port ams_delta_modem_ports[] = {
  	{

  		.membase	= IOMEM(AMS_DELTA_MODEM_VIRT),

  		.mapbase	= AMS_DELTA_MODEM_PHYS,
  		.irq		= -EINVAL, /* changed later */
  		.flags		= UPF_BOOT_AUTOCONF,
  		.irqflags	= IRQF_TRIGGER_RISING,
  		.iotype		= UPIO_MEM,
  		.regshift	= 1,
  		.uartclk	= BASE_BAUD * 16,
  	},
  	{ },
  };
  
  static struct platform_device ams_delta_modem_device = {
  	.name	= "serial8250",
  	.id	= PLAT8250_DEV_PLATFORM1,
  	.dev		= {
  		.platform_data = ams_delta_modem_ports,
  	},
  };
  
  static int __init ams_delta_modem_init(void)
  {

  	int err;

  	if (!machine_is_ams_delta())
  		return -ENODEV;

  	omap_cfg_reg(M14_1510_GPIO2);

  	ams_delta_modem_ports[0].irq =
  			gpio_to_irq(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
  
  	err = gpio_request(AMS_DELTA_GPIO_PIN_MODEM_IRQ, "modem");
  	if (err) {
  		pr_err("Couldn't request gpio pin for modem
  ");
  		return err;
  	}
  	gpio_direction_input(AMS_DELTA_GPIO_PIN_MODEM_IRQ);

  
  	ams_delta_latch2_write(
  		AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC,
  		AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC);
  
  	return platform_device_register(&ams_delta_modem_device);
  }
  arch_initcall(ams_delta_modem_init);

  static void __init ams_delta_map_io(void)
  {
  	omap15xx_map_io();
  	iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
  }

  MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
  	/* Maintainer: Jonathan McDowell <noodles@earth.li> */

  	.atag_offset	= 0x100,

  	.map_io		= ams_delta_map_io,

  	.init_early	= omap1_init_early,

  	.reserve	= omap_reserve,

  	.init_irq	= omap1_init_irq,

  	.init_machine	= ams_delta_init,

  	.timer		= &omap1_timer,

  	.restart	= omap1_restart,

  MACHINE_END
  
  EXPORT_SYMBOL(ams_delta_latch1_write);
  EXPORT_SYMBOL(ams_delta_latch2_write);