/* linux/arch/arm/plat-s3c64xx/setup-sdhci-gpio.c
   *
   * Copyright 2008 Simtec Electronics
   *	Ben Dooks <ben@simtec.co.uk>
   *	http://armlinux.simtec.co.uk/
   *
   * S3C64XX - Helper functions for setting up SDHCI device(s) GPIO (HSMMC)
   *
   * 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/types.h>
  #include <linux/interrupt.h>
  #include <linux/platform_device.h>
  #include <linux/io.h>

  #include <linux/gpio.h>

  #include <plat/gpio-cfg.h>

  #include <plat/sdhci.h>

  
  void s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width)
  {

  	struct s3c_sdhci_platdata *pdata = dev->dev.platform_data;

  	/* Set all the necessary GPG pins to special-function 2 */

  	s3c_gpio_cfgrange_nopull(S3C64XX_GPG(0), 2 + width, S3C_GPIO_SFN(2));

  	if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) {
  		s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP);
  		s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(2));
  	}

  }
  
  void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width)
  {

  	struct s3c_sdhci_platdata *pdata = dev->dev.platform_data;

  	/* Set all the necessary GPH pins to special-function 2 */

  	s3c_gpio_cfgrange_nopull(S3C64XX_GPH(0), 2 + width, S3C_GPIO_SFN(2));

  	if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) {
  		s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP);
  		s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(3));
  	}

  }

  
  void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width)
  {

  	/* Set all the necessary GPH pins to special-function 3 */

  	s3c_gpio_cfgrange_nopull(S3C64XX_GPH(6), width, S3C_GPIO_SFN(3));

  	/* Set all the necessary GPC pins to special-function 3 */

  	s3c_gpio_cfgrange_nopull(S3C64XX_GPC(4), 2, S3C_GPIO_SFN(3));

  }