119 lines
2.7 KiB
C
119 lines
2.7 KiB
C
|
/*
|
||
|
|
* linux/drivers/pcmcia/pxa2xx_palmtx.c
|
||
|
|
*
|
||
|
|
* Driver for Palm T|X PCMCIA
|
||
|
|
*
|
||
|
|
* Copyright (C) 2007-2008 Marek Vasut <marek.vasut@gmail.com>
|
||
|
|
*
|
||
|
|
* 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/module.h>
|
||
|
|
#include <linux/platform_device.h>
|
||
|
|
|
||
|
|
#include <asm/mach-types.h>
|
||
|
|
|
||
|
|
#include <asm/arch/gpio.h>
|
||
|
|
#include <asm/arch/palmtx.h>
|
||
|
|
|
||
|
|
#include "soc_common.h"
|
||
|
|
|
||
|
|
static int palmtx_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
|
||
|
|
{
|
||
|
|
skt->irq = IRQ_GPIO(GPIO_NR_PALMTX_PCMCIA_READY);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void palmtx_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
static void palmtx_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
|
||
|
|
struct pcmcia_state *state)
|
||
|
|
{
|
||
|
|
state->detect = 1; /* always inserted */
|
||
|
|
state->ready = !!gpio_get_value(GPIO_NR_PALMTX_PCMCIA_READY);
|
||
|
|
state->bvd1 = 1;
|
||
|
|
state->bvd2 = 1;
|
||
|
|
state->wrprot = 0;
|
||
|
|
state->vs_3v = 1;
|
||
|
|
state->vs_Xv = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int
|
||
|
|
palmtx_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
|
||
|
|
const socket_state_t *state)
|
||
|
|
{
|
||
|
|
gpio_set_value(GPIO_NR_PALMTX_PCMCIA_POWER1, 1);
|
||
|
|
gpio_set_value(GPIO_NR_PALMTX_PCMCIA_POWER2, 1);
|
||
|
|
gpio_set_value(GPIO_NR_PALMTX_PCMCIA_RESET,
|
||
|
|
!!(state->flags & SS_RESET));
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void palmtx_pcmcia_socket_init(struct soc_pcmcia_socket *skt)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
static void palmtx_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct pcmcia_low_level palmtx_pcmcia_ops = {
|
||
|
|
.owner = THIS_MODULE,
|
||
|
|
|
||
|
|
.first = 0,
|
||
|
|
.nr = 1,
|
||
|
|
|
||
|
|
.hw_init = palmtx_pcmcia_hw_init,
|
||
|
|
.hw_shutdown = palmtx_pcmcia_hw_shutdown,
|
||
|
|
|
||
|
|
.socket_state = palmtx_pcmcia_socket_state,
|
||
|
|
.configure_socket = palmtx_pcmcia_configure_socket,
|
||
|
|
|
||
|
|
.socket_init = palmtx_pcmcia_socket_init,
|
||
|
|
.socket_suspend = palmtx_pcmcia_socket_suspend,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct platform_device *palmtx_pcmcia_device;
|
||
|
|
|
||
|
|
static int __init palmtx_pcmcia_init(void)
|
||
|
|
{
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
if (!machine_is_palmtx())
|
||
|
|
return -ENODEV;
|
||
|
|
|
||
|
|
palmtx_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1);
|
||
|
|
if (!palmtx_pcmcia_device)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
ret = platform_device_add_data(palmtx_pcmcia_device, &palmtx_pcmcia_ops,
|
||
|
|
sizeof(palmtx_pcmcia_ops));
|
||
|
|
|
||
|
|
if (!ret)
|
||
|
|
ret = platform_device_add(palmtx_pcmcia_device);
|
||
|
|
|
||
|
|
if (ret)
|
||
|
|
platform_device_put(palmtx_pcmcia_device);
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void __exit palmtx_pcmcia_exit(void)
|
||
|
|
{
|
||
|
|
platform_device_unregister(palmtx_pcmcia_device);
|
||
|
|
}
|
||
|
|
|
||
|
|
fs_initcall(palmtx_pcmcia_init);
|
||
|
|
module_exit(palmtx_pcmcia_exit);
|
||
|
|
|
||
|
|
MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
|
||
|
|
MODULE_DESCRIPTION("PCMCIA support for Palm T|X");
|
||
|
|
MODULE_ALIAS("platform:pxa2xx-pcmcia");
|
||
|
|
MODULE_LICENSE("GPL");
|