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- /*
- * linux/drivers/pcmcia/pxa2xx_palmld.c
- *
- * Driver for Palm LifeDrive PCMCIA
- *
- * Copyright (C) 2006 Alex Osborne <ato@meshy.org>
- * Copyright (C) 2007-2011 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 <linux/gpio.h>
- #include <asm/mach-types.h>
- #include <mach/palmld.h>
- #include "soc_common.h"
- static struct gpio palmld_pcmcia_gpios[] = {
- { GPIO_NR_PALMLD_PCMCIA_POWER, GPIOF_INIT_LOW, "PCMCIA Power" },
- { GPIO_NR_PALMLD_PCMCIA_RESET, GPIOF_INIT_HIGH,"PCMCIA Reset" },
- };
- static int palmld_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
- {
- int ret;
- ret = gpio_request_array(palmld_pcmcia_gpios,
- ARRAY_SIZE(palmld_pcmcia_gpios));
- skt->stat[SOC_STAT_RDY].gpio = GPIO_NR_PALMLD_PCMCIA_READY;
- skt->stat[SOC_STAT_RDY].name = "PCMCIA Ready";
- return ret;
- }
- static void palmld_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
- {
- gpio_free_array(palmld_pcmcia_gpios, ARRAY_SIZE(palmld_pcmcia_gpios));
- }
- static void palmld_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
- struct pcmcia_state *state)
- {
- state->detect = 1; /* always inserted */
- state->vs_3v = 1;
- state->vs_Xv = 0;
- }
- static int palmld_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
- const socket_state_t *state)
- {
- gpio_set_value(GPIO_NR_PALMLD_PCMCIA_POWER, 1);
- gpio_set_value(GPIO_NR_PALMLD_PCMCIA_RESET,
- !!(state->flags & SS_RESET));
- return 0;
- }
- static struct pcmcia_low_level palmld_pcmcia_ops = {
- .owner = THIS_MODULE,
- .first = 1,
- .nr = 1,
- .hw_init = palmld_pcmcia_hw_init,
- .hw_shutdown = palmld_pcmcia_hw_shutdown,
- .socket_state = palmld_pcmcia_socket_state,
- .configure_socket = palmld_pcmcia_configure_socket,
- };
- static struct platform_device *palmld_pcmcia_device;
- static int __init palmld_pcmcia_init(void)
- {
- int ret;
- if (!machine_is_palmld())
- return -ENODEV;
- palmld_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1);
- if (!palmld_pcmcia_device)
- return -ENOMEM;
- ret = platform_device_add_data(palmld_pcmcia_device, &palmld_pcmcia_ops,
- sizeof(palmld_pcmcia_ops));
- if (!ret)
- ret = platform_device_add(palmld_pcmcia_device);
- if (ret)
- platform_device_put(palmld_pcmcia_device);
- return ret;
- }
- static void __exit palmld_pcmcia_exit(void)
- {
- platform_device_unregister(palmld_pcmcia_device);
- }
- module_init(palmld_pcmcia_init);
- module_exit(palmld_pcmcia_exit);
- MODULE_AUTHOR("Alex Osborne <ato@meshy.org>,"
- " Marek Vasut <marek.vasut@gmail.com>");
- MODULE_DESCRIPTION("PCMCIA support for Palm LifeDrive");
- MODULE_ALIAS("platform:pxa2xx-pcmcia");
- MODULE_LICENSE("GPL");
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