git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 35978408 MV |
1 | /* |
| 2 | * linux/drivers/pcmcia/pxa2xx_palmtx.c | |
| 3 | * | |
| 4 | * Driver for Palm T|X PCMCIA | |
| 5 | * | |
| 6 | * Copyright (C) 2007-2008 Marek Vasut <marek.vasut@gmail.com> | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or modify | |
| 9 | * it under the terms of the GNU General Public License version 2 as | |
| 10 | * published by the Free Software Foundation. | |
| 11 | * | |
| 12 | */ | |
| 13 | ||
| 14 | #include <linux/module.h> | |
| 15 | #include <linux/platform_device.h> | |
| 16 | ||
| 17 | #include <asm/mach-types.h> | |
| 18 | ||
| 19 | #include <asm/arch/gpio.h> | |
| 20 | #include <asm/arch/palmtx.h> | |
| 21 | ||
| 22 | #include "soc_common.h" | |
| 23 | ||
| 24 | static int palmtx_pcmcia_hw_init(struct soc_pcmcia_socket *skt) | |
| 25 | { | |
| 26 | skt->irq = IRQ_GPIO(GPIO_NR_PALMTX_PCMCIA_READY); | |
| 27 | return 0; | |
| 28 | } | |
| 29 | ||
| 30 | static void palmtx_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) | |
| 31 | { | |
| 32 | } | |
| 33 | ||
| 34 | static void palmtx_pcmcia_socket_state(struct soc_pcmcia_socket *skt, | |
| 35 | struct pcmcia_state *state) | |
| 36 | { | |
| 37 | state->detect = 1; /* always inserted */ | |
| 38 | state->ready = !!gpio_get_value(GPIO_NR_PALMTX_PCMCIA_READY); | |
| 39 | state->bvd1 = 1; | |
| 40 | state->bvd2 = 1; | |
| 41 | state->wrprot = 0; | |
| 42 | state->vs_3v = 1; | |
| 43 | state->vs_Xv = 0; | |
| 44 | } | |
| 45 | ||
| 46 | static int | |
| 47 | palmtx_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, | |
| 48 | const socket_state_t *state) | |
| 49 | { | |
| 50 | gpio_set_value(GPIO_NR_PALMTX_PCMCIA_POWER1, 1); | |
| 51 | gpio_set_value(GPIO_NR_PALMTX_PCMCIA_POWER2, 1); | |
| 52 | gpio_set_value(GPIO_NR_PALMTX_PCMCIA_RESET, | |
| 53 | !!(state->flags & SS_RESET)); | |
| 54 | ||
| 55 | return 0; | |
| 56 | } | |
| 57 | ||
| 58 | static void palmtx_pcmcia_socket_init(struct soc_pcmcia_socket *skt) | |
| 59 | { | |
| 60 | } | |
| 61 | ||
| 62 | static void palmtx_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) | |
| 63 | { | |
| 64 | } | |
| 65 | ||
| 66 | static struct pcmcia_low_level palmtx_pcmcia_ops = { | |
| 67 | .owner = THIS_MODULE, | |
| 68 | ||
| 69 | .first = 0, | |
| 70 | .nr = 1, | |
| 71 | ||
| 72 | .hw_init = palmtx_pcmcia_hw_init, | |
| 73 | .hw_shutdown = palmtx_pcmcia_hw_shutdown, | |
| 74 | ||
| 75 | .socket_state = palmtx_pcmcia_socket_state, | |
| 76 | .configure_socket = palmtx_pcmcia_configure_socket, | |
| 77 | ||
| 78 | .socket_init = palmtx_pcmcia_socket_init, | |
| 79 | .socket_suspend = palmtx_pcmcia_socket_suspend, | |
| 80 | }; | |
| 81 | ||
| 82 | static struct platform_device *palmtx_pcmcia_device; | |
| 83 | ||
| 84 | static int __init palmtx_pcmcia_init(void) | |
| 85 | { | |
| 86 | int ret; | |
| 87 | ||
| 88 | if (!machine_is_palmtx()) | |
| 89 | return -ENODEV; | |
| 90 | ||
| 91 | palmtx_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); | |
| 92 | if (!palmtx_pcmcia_device) | |
| 93 | return -ENOMEM; | |
| 94 | ||
| 95 | ret = platform_device_add_data(palmtx_pcmcia_device, &palmtx_pcmcia_ops, | |
| 96 | sizeof(palmtx_pcmcia_ops)); | |
| 97 | ||
| 98 | if (!ret) | |
| 99 | ret = platform_device_add(palmtx_pcmcia_device); | |
| 100 | ||
| 101 | if (ret) | |
| 102 | platform_device_put(palmtx_pcmcia_device); | |
| 103 | ||
| 104 | return ret; | |
| 105 | } | |
| 106 | ||
| 107 | static void __exit palmtx_pcmcia_exit(void) | |
| 108 | { | |
| 109 | platform_device_unregister(palmtx_pcmcia_device); | |
| 110 | } | |
| 111 | ||
| 112 | fs_initcall(palmtx_pcmcia_init); | |
| 113 | module_exit(palmtx_pcmcia_exit); | |
| 114 | ||
| 115 | MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>"); | |
| 116 | MODULE_DESCRIPTION("PCMCIA support for Palm T|X"); | |
| 117 | MODULE_ALIAS("platform:pxa2xx-pcmcia"); | |
| 118 | MODULE_LICENSE("GPL"); |