#include "bcm47xx_private.h"
#include <linux/input.h>
#include <linux/gpio_keys.h>
#include <linux/interrupt.h>
#include <linux/ssb/ssb_embedded.h>
#include <bcm47xx_board.h>
#include <bcm47xx.h>
/**************************************************
* Database
**************************************************/
static const struct gpio_keys_button
bcm47xx_buttons_netgear_wndr4500_v1[] __initconst = {
{
.code = KEY_WPS_BUTTON,
.gpio = 4,
.active_low = 1,
},
{
.code = KEY_RFKILL,
.gpio = 5,
.active_low = 1,
},
{
.code = KEY_RESTART,
.gpio = 6,
.active_low = 1,
},
};
/**************************************************
* Init
**************************************************/
static struct gpio_keys_platform_data bcm47xx_button_pdata;
static struct platform_device bcm47xx_buttons_gpio_keys = {
.name = "gpio-keys",
.dev = {
.platform_data = &bcm47xx_button_pdata,
}
};
/* Copy data from __initconst */
static int __init bcm47xx_buttons_copy(const struct gpio_keys_button *buttons,
size_t nbuttons)
{
size_t size = nbuttons * sizeof(*buttons);
bcm47xx_button_pdata.buttons = kmalloc(size, GFP_KERNEL);
if (!bcm47xx_button_pdata.buttons)
return -ENOMEM;
memcpy(bcm47xx_button_pdata.buttons, buttons, size);
bcm47xx_button_pdata.nbuttons = nbuttons;
return 0;
}
#define bcm47xx_copy_bdata(dev_buttons) \
bcm47xx_buttons_copy(dev_buttons, ARRAY_SIZE(dev_buttons));
int __init bcm47xx_buttons_register(void)
{
enum bcm47xx_board board = bcm47xx_board_get();
int err;
#ifdef CONFIG_BCM47XX_SSB
if (bcm47xx_bus_type == BCM47XX_BUS_TYPE_SSB) {
pr_debug("Buttons on SSB are not supported yet.\n");
return -ENOTSUPP;
}
#endif
switch (board) {
case BCM47XX_BOARD_NETGEAR_WNDR4500V1:
err = bcm47xx_copy_bdata(bcm47xx_buttons_netgear_wndr4500_v1);
break;
default:
pr_debug("No buttons configuration found for this device\n");
return -ENOTSUPP;
}
if (err)
return -ENOMEM;
err = platform_device_register(&bcm47xx_buttons_gpio_keys);
if (err) {
pr_err("Failed to register platform device: %d\n", err);
return err;
}
return 0;
}
