/*
   * drivers/pcmcia/sa1100_jornada720.c
   *
   * Jornada720 PCMCIA specific routines
   *
   */
  #include <linux/module.h>
  #include <linux/kernel.h>

  #include <linux/device.h>
  #include <linux/errno.h>
  #include <linux/init.h>

  #include <linux/io.h>

  #include <mach/hardware.h>

  #include <asm/hardware/sa1111.h>
  #include <asm/mach-types.h>
  
  #include "sa1111_generic.h"

  /* Does SOCKET1_3V actually do anything? */
  #define SOCKET0_POWER	GPIO_GPIO0
  #define SOCKET0_3V	GPIO_GPIO2
  #define SOCKET1_POWER	(GPIO_GPIO1 | GPIO_GPIO3)

  #define SOCKET1_3V	GPIO_GPIO3

  static int
  jornada720_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_state_t *state)
  {

  	struct sa1111_pcmcia_socket *s = to_skt(skt);

  	unsigned int pa_dwr_mask, pa_dwr_set;
  	int ret;
  
  	printk(KERN_INFO "%s(): config socket %d vcc %d vpp %d
  ", __func__,
  		skt->nr, state->Vcc, state->Vpp);
  
  	switch (skt->nr) {
  	case 0:
  		pa_dwr_mask = SOCKET0_POWER | SOCKET0_3V;
  
  		switch (state->Vcc) {
  		default:
  		case  0:
  			pa_dwr_set = 0;
  			break;
  		case 33:
  			pa_dwr_set = SOCKET0_POWER | SOCKET0_3V;
  			break;
  		case 50:
  			pa_dwr_set = SOCKET0_POWER;
  			break;
  		}
  		break;
  
  	case 1:
  		pa_dwr_mask = SOCKET1_POWER;
  
  		switch (state->Vcc) {
  		default:
  		case 0:
  			pa_dwr_set = 0;
  			break;
  		case 33:
  			pa_dwr_set = SOCKET1_POWER;
  			break;
  		case 50:
  			pa_dwr_set = SOCKET1_POWER;
  			break;
  		}
  		break;
  
  	default:
  		return -1;
  	}
  
  	if (state->Vpp != state->Vcc && state->Vpp != 0) {
  		printk(KERN_ERR "%s(): slot cannot support VPP %u
  ",
  			__func__, state->Vpp);
  		return -EPERM;
  	}
  
  	ret = sa1111_pcmcia_configure_socket(skt, state);

  	if (ret == 0)

  		sa1111_set_io(s->dev, pa_dwr_mask, pa_dwr_set);

  
  	return ret;

  }
  
  static struct pcmcia_low_level jornada720_pcmcia_ops = {

  	.owner			= THIS_MODULE,

  	.configure_socket	= jornada720_pcmcia_configure_socket,

  	.first			= 0,
  	.nr			= 2,

  };

  int pcmcia_jornada720_init(struct sa1111_dev *sadev)

  {
  	int ret = -ENODEV;

  	if (machine_is_jornada720()) {

  		unsigned int pin = GPIO_A0 | GPIO_A1 | GPIO_A2 | GPIO_A3;
  
  		GRER |= 0x00000002;
  
  		/* Set GPIO_A<3:1> to be outputs for PCMCIA/CF power controller: */

  		sa1111_set_io_dir(sadev, pin, 0, 0);
  		sa1111_set_io(sadev, pin, 0);
  		sa1111_set_sleep_io(sadev, pin, 0);

  		sa11xx_drv_pcmcia_ops(&jornada720_pcmcia_ops);

  		ret = sa1111_pcmcia_add(sadev, &jornada720_pcmcia_ops,

  				sa11xx_drv_pcmcia_add_one);
  	}

  
  	return ret;
  }