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/*
* drivers/pcmcia/sa1100_jornada720.c
*
* Jornada720 PCMCIA specific routines
*
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/device.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <asm/hardware.h>
#include <asm/hardware/sa1111.h>
#include <asm/mach-types.h>
#include "sa1111_generic.h"
#define SOCKET0_POWER GPIO_GPIO0
#define SOCKET0_3V GPIO_GPIO2
#define SOCKET1_POWER (GPIO_GPIO1 | GPIO_GPIO3)
#warning *** Does SOCKET1_3V actually do anything?
#define SOCKET1_3V GPIO_GPIO3
static int jornada720_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
{
/*
* What is all this crap for?
*/
GRER |= 0x00000002;
/* Set GPIO_A<3:1> to be outputs for PCMCIA/CF power controller: */
PA_DDR = 0;
PA_DWR = 0;
PA_SDR = 0;
PA_SSR = 0;
PB_DDR = 0;
PB_DWR = 0x01;
PB_SDR = 0;
PB_SSR = 0;
PC_DDR = 0x88;
PC_DWR = 0x20;
PC_SDR = 0;
PC_SSR = 0;
return sa1111_pcmcia_hw_init(skt);
}
static int
jornada720_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_state_t *state)
{
unsigned int pa_dwr_mask, pa_dwr_set;
int ret;
printk("%s(): config socket %d vcc %d vpp %d\n", __FUNCTION__,
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\n",
__FUNCTION__, state->Vpp);
return -1;
}
ret = sa1111_pcmcia_configure_socket(skt, state);
if (ret == 0) {
unsigned long flags;
local_irq_save(flags);
PA_DWR = (PA_DWR & ~pa_dwr_mask) | pa_dwr_set;
local_irq_restore(flags);
}
return ret;
}
static struct pcmcia_low_level jornada720_pcmcia_ops = {
.owner = THIS_MODULE,
.hw_init = jornada720_pcmcia_hw_init,
.hw_shutdown = sa1111_pcmcia_hw_shutdown,
.socket_state = sa1111_pcmcia_socket_state,
.configure_socket = jornada720_pcmcia_configure_socket,
.socket_init = sa1111_pcmcia_socket_init,
.socket_suspend = sa1111_pcmcia_socket_suspend,
};
int __init pcmcia_jornada720_init(struct device *dev)
{
int ret = -ENODEV;
if (machine_is_jornada720())
ret = sa11xx_drv_pcmcia_probe(dev, &jornada720_pcmcia_ops, 0, 2);
return ret;
}
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