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yaml --- r: 105111 b: refs/heads/master c: 3597840 h: refs/heads/master i: 105109: d8e2baf 105107: 0aaffbb 105103: a2e5faf v: v3
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Marek Vašut
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Russell King
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Jul 10, 2008
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refs/heads/master: b5e4ad57eeffef0ac274413f83be4ef903719ea4 | ||
refs/heads/master: 359784084f3da86e2c7621fd9266e04b50287834 |
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/* | ||
* 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. | ||
* | ||
*/ | ||
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#include <linux/module.h> | ||
#include <linux/platform_device.h> | ||
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#include <asm/mach-types.h> | ||
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#include <asm/arch/gpio.h> | ||
#include <asm/arch/palmtx.h> | ||
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#include "soc_common.h" | ||
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static int palmtx_pcmcia_hw_init(struct soc_pcmcia_socket *skt) | ||
{ | ||
skt->irq = IRQ_GPIO(GPIO_NR_PALMTX_PCMCIA_READY); | ||
return 0; | ||
} | ||
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static void palmtx_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) | ||
{ | ||
} | ||
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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; | ||
} | ||
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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)); | ||
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return 0; | ||
} | ||
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static void palmtx_pcmcia_socket_init(struct soc_pcmcia_socket *skt) | ||
{ | ||
} | ||
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static void palmtx_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) | ||
{ | ||
} | ||
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static struct pcmcia_low_level palmtx_pcmcia_ops = { | ||
.owner = THIS_MODULE, | ||
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.first = 0, | ||
.nr = 1, | ||
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.hw_init = palmtx_pcmcia_hw_init, | ||
.hw_shutdown = palmtx_pcmcia_hw_shutdown, | ||
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.socket_state = palmtx_pcmcia_socket_state, | ||
.configure_socket = palmtx_pcmcia_configure_socket, | ||
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.socket_init = palmtx_pcmcia_socket_init, | ||
.socket_suspend = palmtx_pcmcia_socket_suspend, | ||
}; | ||
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static struct platform_device *palmtx_pcmcia_device; | ||
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static int __init palmtx_pcmcia_init(void) | ||
{ | ||
int ret; | ||
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if (!machine_is_palmtx()) | ||
return -ENODEV; | ||
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palmtx_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); | ||
if (!palmtx_pcmcia_device) | ||
return -ENOMEM; | ||
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ret = platform_device_add_data(palmtx_pcmcia_device, &palmtx_pcmcia_ops, | ||
sizeof(palmtx_pcmcia_ops)); | ||
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if (!ret) | ||
ret = platform_device_add(palmtx_pcmcia_device); | ||
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if (ret) | ||
platform_device_put(palmtx_pcmcia_device); | ||
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return ret; | ||
} | ||
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static void __exit palmtx_pcmcia_exit(void) | ||
{ | ||
platform_device_unregister(palmtx_pcmcia_device); | ||
} | ||
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fs_initcall(palmtx_pcmcia_init); | ||
module_exit(palmtx_pcmcia_exit); | ||
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MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>"); | ||
MODULE_DESCRIPTION("PCMCIA support for Palm T|X"); | ||
MODULE_ALIAS("platform:pxa2xx-pcmcia"); | ||
MODULE_LICENSE("GPL"); |