/*

   * Support for Compaq iPAQ H3100 handheld computer

   *

   * Copyright (c) 2000,1 Compaq Computer Corporation. (Author: Jamey Hicks)
   * Copyright (c) 2009 Dmitry Artamonow <mad_soft@inbox.ru>

   *

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

  #include <linux/gpio.h>

  #include <asm/mach-types.h>

  #include <asm/mach/arch.h>

  #include <asm/mach/irda.h>

  
  #include <mach/h3xxx.h>
  
  #include "generic.h"
  
  /*
   * helper for sa1100fb
   */
  static void h3100_lcd_power(int enable)
  {
  	if (!gpio_request(H3XXX_EGPIO_LCD_ON, "LCD ON")) {
  		gpio_set_value(H3100_GPIO_LCD_3V_ON, enable);
  		gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable);
  		gpio_free(H3XXX_EGPIO_LCD_ON);

  	} else {
  		pr_err("%s: can't request H3XXX_EGPIO_LCD_ON
  ", __func__);

  	}
  }
  
  
  static void __init h3100_map_io(void)
  {
  	h3xxx_map_io();
  
  	sa1100fb_lcd_power = h3100_lcd_power;
  
  	/* Older bootldrs put GPIO2-9 in alternate mode on the
  	   assumption that they are used for video */
  	GAFR &= ~0x000001fb;
  }
  
  /*
   * This turns the IRDA power on or off on the Compaq H3100
   */
  static int h3100_irda_set_power(struct device *dev, unsigned int state)
  {
  	gpio_set_value(H3100_GPIO_IR_ON, state);
  	return 0;
  }
  
  static void h3100_irda_set_speed(struct device *dev, unsigned int speed)
  {
  	gpio_set_value(H3100_GPIO_IR_FSEL, !(speed < 4000000));
  }
  
  static struct irda_platform_data h3100_irda_data = {
  	.set_power	= h3100_irda_set_power,
  	.set_speed	= h3100_irda_set_speed,
  };
  
  static struct gpio_default_state h3100_default_gpio[] = {
  	{ H3100_GPIO_IR_ON,	GPIO_MODE_OUT0, "IrDA power" },
  	{ H3100_GPIO_IR_FSEL,	GPIO_MODE_OUT0, "IrDA fsel" },
  	{ H3XXX_GPIO_COM_DCD,	GPIO_MODE_IN,	"COM DCD" },
  	{ H3XXX_GPIO_COM_CTS,	GPIO_MODE_IN,	"COM CTS" },
  	{ H3XXX_GPIO_COM_RTS,	GPIO_MODE_OUT0,	"COM RTS" },
  	{ H3100_GPIO_LCD_3V_ON,	GPIO_MODE_OUT0,	"LCD 3v" },
  };
  
  static void __init h3100_mach_init(void)
  {
  	h3xxx_init_gpio(h3100_default_gpio, ARRAY_SIZE(h3100_default_gpio));
  	h3xxx_mach_init();
  	sa11x0_register_irda(&h3100_irda_data);
  }
  
  MACHINE_START(H3100, "Compaq iPAQ H3100")

  	.atag_offset	= 0x100,

  	.map_io		= h3100_map_io,
  	.init_irq	= sa1100_init_irq,
  	.timer		= &sa1100_timer,
  	.init_machine	= h3100_mach_init,

  	.restart	= sa11x0_restart,

  MACHINE_END