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/*
* drivers/pcmcia/sa1100_jornada56x.c
*
* PCMCIA implementation routines for the HP Jornada 56x
*
* Copyright 2002 Jamey Hicks <jamey@handhelds.org>
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/device.h>
#include <linux/init.h>
#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
#include <asm/arch/jornada56x.h>
#include "sa1100_generic.h"
#define SOCKET0_POWER GPIO_GPIO7
static struct pcmcia_irqs irqs[] = {
{ 1, IRQ_PCMCIA_REMOVE, "Jornada56x CF Remove" },
{ 1, IRQ_PCMCIA_INSERT, "Jornada56x CF Insert" },
{ 1, IRQ_PCMCIA_STATUSCHANGE, "Jornada56x CF Status" },
{ 1, IRQ_PCMCIA_WAIT_ERROR, "Jornada56x CF Wait err" },
};
static int jornada56x_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
{
JORNADA_GPDPDR |= SOCKET0_POWER;
JORNADA_GPDPSR = SOCKET0_POWER;
skt->irq = IRQ_PCMCIA_MAIN;
return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
}
static void jornada56x_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
{
soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs));
}
static void jornada56x_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state)
{
unsigned long status = JORNADA_CFSR;
state->detect=(status & JORNADA_CF_VALID)?1:0;
state->ready=(status & JORNADA_CF_READY)?1:0;
state->bvd1=(status & JORNADA_CF_BVD1)?1:0;
state->bvd2=(status & JORNADA_CF_BVD2)?1:0;
state->wrprot=(status & JORNADA_CF_WP)?1:0;
state->vs_3v=(status & JORNADA_CF_VS1)?0:1;
state->vs_Xv=(status & JORNADA_CF_VS2)?0:2;
}
static int jornada56x_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_state_t *state)
{
switch (state->Vcc) {
case 0:
JORNADA_GPDPSR = SOCKET0_POWER;
break;
case 33:
JORNADA_GPDPCR = SOCKET0_POWER;
JORNADA_CFCR = JORNADA_CF_PWAIT_EN | JORNADA_CF_FLT;
break;
default:
printk(KERN_ERR "%s(): unrecognized Vcc %u\n", __FUNCTION__, state->Vcc);
return -1;
}
if (state->flags & SS_RESET) {
JORNADA_CFCR |= JORNADA_CF_RESET;
}
else {
JORNADA_CFCR &= ~JORNADA_CF_RESET;
}
return 0;
}
static void jornada56x_pcmcia_socket_init(struct soc_pcmcia_socket *skt)
{
JORNADA_GPDPSR = SOCKET0_POWER;
soc_pcmcia_enable_irqs(skt, irqs, ARRAY_SIZE(irqs));
}
static void jornada56x_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
{
JORNADA_GPDPSR = SOCKET0_POWER;
soc_pcmcia_disable_irqs(skt, irqs, ARRAY_SIZE(irqs));
}
static struct pcmcia_low_level jornada56x_pcmcia_ops = {
.owner = THIS_MODULE,
.hw_init = jornada56x_pcmcia_hw_init,
.hw_shutdown = jornada56x_pcmcia_hw_shutdown,
.socket_state = jornada56x_pcmcia_socket_state,
.configure_socket = jornada56x_pcmcia_configure_socket,
.socket_init = jornada56x_pcmcia_socket_init,
.socket_suspend = jornada56x_pcmcia_socket_suspend,
};
int __init pcmcia_jornada56x_init(struct device *dev)
{
int ret = -ENODEV;
if (machine_is_jornada56x())
ret = sa11xx_drv_pcmcia_probe(dev, &jornada56x_pcmcia_ops, 0, 1);
return ret;
};
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