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Release 4.14 drivers/pcmcia/pxa2xx_vpac270.c

Directory: drivers/pcmcia
/*
 * linux/drivers/pcmcia/pxa2xx_vpac270.c
 *
 * Driver for Voipac PXA270 PCMCIA and CF sockets
 *
 * Copyright (C) 2010-2011 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/gpio.h>
#include <linux/module.h>
#include <linux/platform_device.h>

#include <asm/mach-types.h>

#include <mach/vpac270.h>

#include "soc_common.h"


static struct gpio vpac270_pcmcia_gpios[] = {
	{ GPIO107_VPAC270_PCMCIA_PPEN,	GPIOF_INIT_LOW,	"PCMCIA PPEN" },
	{ GPIO11_VPAC270_PCMCIA_RESET,	GPIOF_INIT_LOW,	"PCMCIA Reset" },
};


static struct gpio vpac270_cf_gpios[] = {
	{ GPIO16_VPAC270_CF_RESET,	GPIOF_INIT_LOW,	"CF Reset" },
};


static int vpac270_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { int ret; if (skt->nr == 0) { ret = gpio_request_array(vpac270_pcmcia_gpios, ARRAY_SIZE(vpac270_pcmcia_gpios)); skt->stat[SOC_STAT_CD].gpio = GPIO84_VPAC270_PCMCIA_CD; skt->stat[SOC_STAT_CD].name = "PCMCIA CD"; skt->stat[SOC_STAT_RDY].gpio = GPIO35_VPAC270_PCMCIA_RDY; skt->stat[SOC_STAT_RDY].name = "PCMCIA Ready"; } else { ret = gpio_request_array(vpac270_cf_gpios, ARRAY_SIZE(vpac270_cf_gpios)); skt->stat[SOC_STAT_CD].gpio = GPIO17_VPAC270_CF_CD; skt->stat[SOC_STAT_CD].name = "CF CD"; skt->stat[SOC_STAT_RDY].gpio = GPIO12_VPAC270_CF_RDY; skt->stat[SOC_STAT_RDY].name = "CF Ready"; } return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Marek Vašut7452.11%250.00%
Russell King5840.85%125.00%
Axel Lin107.04%125.00%
Total142100.00%4100.00%


static void vpac270_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) { if (skt->nr == 0) gpio_free_array(vpac270_pcmcia_gpios, ARRAY_SIZE(vpac270_pcmcia_gpios)); else gpio_free_array(vpac270_cf_gpios, ARRAY_SIZE(vpac270_cf_gpios)); }

Contributors

PersonTokensPropCommitsCommitProp
Marek Vašut3895.00%266.67%
Jonathan Cameron25.00%133.33%
Total40100.00%3100.00%


static void vpac270_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) { state->vs_3v = 1; state->vs_Xv = 0; }

Contributors

PersonTokensPropCommitsCommitProp
Marek Vašut28100.00%1100.00%
Total28100.00%1100.00%


static int vpac270_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_state_t *state) { if (skt->nr == 0) { gpio_set_value(GPIO11_VPAC270_PCMCIA_RESET, (state->flags & SS_RESET)); gpio_set_value(GPIO107_VPAC270_PCMCIA_PPEN, !(state->Vcc == 33 || state->Vcc == 50)); } else { gpio_set_value(GPIO16_VPAC270_CF_RESET, (state->flags & SS_RESET)); } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Marek Vašut78100.00%1100.00%
Total78100.00%1100.00%

static struct pcmcia_low_level vpac270_pcmcia_ops = { .owner = THIS_MODULE, .first = 0, .nr = 2, .hw_init = vpac270_pcmcia_hw_init, .hw_shutdown = vpac270_pcmcia_hw_shutdown, .socket_state = vpac270_pcmcia_socket_state, .configure_socket = vpac270_pcmcia_configure_socket, }; static struct platform_device *vpac270_pcmcia_device;
static int __init vpac270_pcmcia_init(void) { int ret; if (!machine_is_vpac270()) return -ENODEV; vpac270_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); if (!vpac270_pcmcia_device) return -ENOMEM; ret = platform_device_add_data(vpac270_pcmcia_device, &vpac270_pcmcia_ops, sizeof(vpac270_pcmcia_ops)); if (!ret) ret = platform_device_add(vpac270_pcmcia_device); if (ret) platform_device_put(vpac270_pcmcia_device); return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Marek Vašut80100.00%1100.00%
Total80100.00%1100.00%


static void __exit vpac270_pcmcia_exit(void) { platform_device_unregister(vpac270_pcmcia_device); }

Contributors

PersonTokensPropCommitsCommitProp
Marek Vašut14100.00%1100.00%
Total14100.00%1100.00%

module_init(vpac270_pcmcia_init); module_exit(vpac270_pcmcia_exit); MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>"); MODULE_DESCRIPTION("PCMCIA support for Voipac PXA270"); MODULE_ALIAS("platform:pxa2xx-pcmcia"); MODULE_LICENSE("GPL");

Overall Contributors

PersonTokensPropCommitsCommitProp
Marek Vašut44685.93%342.86%
Russell King5811.18%114.29%
Axel Lin101.93%114.29%
Randy Dunlap30.58%114.29%
Jonathan Cameron20.39%114.29%
Total519100.00%7100.00%
Directory: drivers/pcmcia
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