Release 4.14 drivers/pcmcia/pxa2xx_colibri.c
/*
* linux/drivers/pcmcia/pxa2xx_colibri.c
*
* Driver for Toradex Colibri PXA270 CF socket
*
* Copyright (C) 2010 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/delay.h>
#include <linux/gpio.h>
#include <asm/mach-types.h>
#include "soc_common.h"
#define COLIBRI270_RESET_GPIO 53
#define COLIBRI270_PPEN_GPIO 107
#define COLIBRI270_BVD1_GPIO 83
#define COLIBRI270_BVD2_GPIO 82
#define COLIBRI270_DETECT_GPIO 84
#define COLIBRI270_READY_GPIO 1
#define COLIBRI320_RESET_GPIO 77
#define COLIBRI320_PPEN_GPIO 57
#define COLIBRI320_BVD1_GPIO 53
#define COLIBRI320_BVD2_GPIO 79
#define COLIBRI320_DETECT_GPIO 81
#define COLIBRI320_READY_GPIO 29
enum {
DETECT = 0,
READY = 1,
BVD1 = 2,
BVD2 = 3,
PPEN = 4,
RESET = 5,
};
/* Contents of this array are configured on-the-fly in init function */
static struct gpio colibri_pcmcia_gpios[] = {
{ 0, GPIOF_IN, "PCMCIA Detect" },
{ 0, GPIOF_IN, "PCMCIA Ready" },
{ 0, GPIOF_IN, "PCMCIA BVD1" },
{ 0, GPIOF_IN, "PCMCIA BVD2" },
{ 0, GPIOF_INIT_LOW, "PCMCIA PPEN" },
{ 0, GPIOF_INIT_HIGH,"PCMCIA Reset" },
};
static int colibri_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
{
int ret;
ret = gpio_request_array(colibri_pcmcia_gpios,
ARRAY_SIZE(colibri_pcmcia_gpios));
if (ret)
goto err1;
skt->socket.pci_irq = gpio_to_irq(colibri_pcmcia_gpios[READY].gpio);
skt->stat[SOC_STAT_CD].irq = gpio_to_irq(colibri_pcmcia_gpios[DETECT].gpio);
skt->stat[SOC_STAT_CD].name = "PCMCIA CD";
err1:
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Marek Vašut | 64 | 76.19% | 2 | 66.67% |
| Russell King | 20 | 23.81% | 1 | 33.33% |
| Total | 84 | 100.00% | 3 | 100.00% |
static void colibri_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
{
gpio_free_array(colibri_pcmcia_gpios,
ARRAY_SIZE(colibri_pcmcia_gpios));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Marek Vašut | 21 | 100.00% | 2 | 100.00% |
| Total | 21 | 100.00% | 2 | 100.00% |
static void colibri_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
struct pcmcia_state *state)
{
state->detect = !!gpio_get_value(colibri_pcmcia_gpios[DETECT].gpio);
state->ready = !!gpio_get_value(colibri_pcmcia_gpios[READY].gpio);
state->bvd1 = !!gpio_get_value(colibri_pcmcia_gpios[BVD1].gpio);
state->bvd2 = !!gpio_get_value(colibri_pcmcia_gpios[BVD2].gpio);
state->vs_3v = 1;
state->vs_Xv = 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Marek Vašut | 92 | 100.00% | 2 | 100.00% |
| Total | 92 | 100.00% | 2 | 100.00% |
static int
colibri_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
const socket_state_t *state)
{
gpio_set_value(colibri_pcmcia_gpios[PPEN].gpio,
!(state->Vcc == 33 && state->Vpp < 50));
gpio_set_value(colibri_pcmcia_gpios[RESET].gpio,
state->flags & SS_RESET);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Marek Vašut | 60 | 100.00% | 2 | 100.00% |
| Total | 60 | 100.00% | 2 | 100.00% |
static struct pcmcia_low_level colibri_pcmcia_ops = {
.owner = THIS_MODULE,
.first = 0,
.nr = 1,
.hw_init = colibri_pcmcia_hw_init,
.hw_shutdown = colibri_pcmcia_hw_shutdown,
.socket_state = colibri_pcmcia_socket_state,
.configure_socket = colibri_pcmcia_configure_socket,
};
static struct platform_device *colibri_pcmcia_device;
static int __init colibri_pcmcia_init(void)
{
int ret;
if (!machine_is_colibri() && !machine_is_colibri320())
return -ENODEV;
colibri_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1);
if (!colibri_pcmcia_device)
return -ENOMEM;
/* Colibri PXA270 */
if (machine_is_colibri()) {
colibri_pcmcia_gpios[RESET].gpio = COLIBRI270_RESET_GPIO;
colibri_pcmcia_gpios[PPEN].gpio = COLIBRI270_PPEN_GPIO;
colibri_pcmcia_gpios[BVD1].gpio = COLIBRI270_BVD1_GPIO;
colibri_pcmcia_gpios[BVD2].gpio = COLIBRI270_BVD2_GPIO;
colibri_pcmcia_gpios[DETECT].gpio = COLIBRI270_DETECT_GPIO;
colibri_pcmcia_gpios[READY].gpio = COLIBRI270_READY_GPIO;
/* Colibri PXA320 */
} else if (machine_is_colibri320()) {
colibri_pcmcia_gpios[RESET].gpio = COLIBRI320_RESET_GPIO;
colibri_pcmcia_gpios[PPEN].gpio = COLIBRI320_PPEN_GPIO;
colibri_pcmcia_gpios[BVD1].gpio = COLIBRI320_BVD1_GPIO;
colibri_pcmcia_gpios[BVD2].gpio = COLIBRI320_BVD2_GPIO;
colibri_pcmcia_gpios[DETECT].gpio = COLIBRI320_DETECT_GPIO;
colibri_pcmcia_gpios[READY].gpio = COLIBRI320_READY_GPIO;
}
ret = platform_device_add_data(colibri_pcmcia_device,
&colibri_pcmcia_ops, sizeof(colibri_pcmcia_ops));
if (!ret)
ret = platform_device_add(colibri_pcmcia_device);
if (ret)
platform_device_put(colibri_pcmcia_device);
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Marek Vašut | 195 | 93.30% | 3 | 75.00% |
| Dmitry Baryshkov | 14 | 6.70% | 1 | 25.00% |
| Total | 209 | 100.00% | 4 | 100.00% |
static void __exit colibri_pcmcia_exit(void)
{
platform_device_unregister(colibri_pcmcia_device);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Marek Vašut | 14 | 100.00% | 1 | 100.00% |
| Total | 14 | 100.00% | 1 | 100.00% |
module_init(colibri_pcmcia_init);
module_exit(colibri_pcmcia_exit);
MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
MODULE_DESCRIPTION("PCMCIA support for Toradex Colibri PXA270/PXA320");
MODULE_ALIAS("platform:pxa2xx-pcmcia");
MODULE_LICENSE("GPL");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Marek Vašut | 675 | 95.20% | 3 | 60.00% |
| Russell King | 20 | 2.82% | 1 | 20.00% |
| Dmitry Baryshkov | 14 | 1.97% | 1 | 20.00% |
| Total | 709 | 100.00% | 5 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.