#include <linux/spi/spi_bitbang.h>
#include <linux/mmc/host.h>
#include <linux/leds.h>
+#include <linux/gpio_keys.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
},
};
-static struct resource gta02_button_resources[] = {
- [0] = {
- .start = GTA02_GPIO_AUX_KEY,
- .end = GTA02_GPIO_AUX_KEY,
- },
- [1] = {
- .start = GTA02_GPIO_HOLD_KEY,
- .end = GTA02_GPIO_HOLD_KEY,
- },
- [2] = {
- .start = GTA02_GPIO_JACK_INSERT,
- .end = GTA02_GPIO_JACK_INSERT,
- },
- [3] = {
- .start = 0,
- .end = 0,
+static struct gpio_keys_button gta02_buttons[] = {
+ {
+ .gpio = GTA02_GPIO_AUX_KEY,
+ .code = KEY_PHONE,
+ .desc = "Aux",
+ .type = EV_KEY,
},
- [4] = {
- .start = 0,
- .end = 0,
+ {
+ .gpio = GTA02_GPIO_HOLD_KEY,
+ .code = KEY_PAUSE,
+ .desc = "Hold",
+ .type = EV_KEY,
},
};
+static struct gpio_keys_platform_data gta02_buttons_pdata = {
+ .buttons = gta02_buttons,
+ .nbuttons = ARRAY_SIZE(gta02_buttons),
+};
+
static struct platform_device gta02_button_dev = {
- .name = "gta02-button",
- .num_resources = ARRAY_SIZE(gta02_button_resources),
- .resource = gta02_button_resources,
+ .name = "gpio-keys",
+ .id = -1,
+ .dev = {
+ .platform_data = >a02_buttons_pdata,
+ },
};
static struct platform_device gta02_pm_usbhost_dev = {
.name = "gta02-pm-host",
};
-
/* USB */
static struct s3c2410_hcd_info gta02_usb_info = {
.port[0] = {
+++ /dev/null
-/*
- * Keyboard driver for Openmoko Freerunner GSM phone
- *
- * (C) 2006-2007 by Openmoko, Inc.
- * Author: Harald Welte <laforge@openmoko.org>
- * All rights reserved.
- *
- * inspired by corkgbd.c by Richard Purdie
- *
- * 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/delay.h>
-#include <linux/platform_device.h>
-#include <linux/init.h>
-#include <linux/input.h>
-#include <linux/interrupt.h>
-#include <linux/jiffies.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-
-#include <mach/gpio.h>
-#include <asm/mach-types.h>
-
-#ifdef CONFIG_PM
-extern int global_inside_suspend;
-#else
-#define global_inside_suspend 0
-#endif
-
-struct gta02kbd {
- struct platform_device *pdev;
- struct input_dev *input;
- int aux_state;
-};
-
-enum keys {
- GTA02_KEY_AUX,
- GTA02_KEY_HOLD,
-};
-
-struct gta02kbd_key {
- const char * name;
- irqreturn_t (*isr)(int irq, void *dev_id);
- int irq;
- int input_key;
-};
-
-static irqreturn_t gta02kbd_aux_irq(int irq, void *dev_id);
-static irqreturn_t gta02kbd_default_key_irq(int irq, void *dev_id);
-
-
-static struct gta02kbd_key keys[] = {
- [GTA02_KEY_AUX] = {
- .name = "GTA02 AUX button",
- .isr = gta02kbd_aux_irq,
- .input_key = KEY_PHONE,
- },
- [GTA02_KEY_HOLD] = {
- .name = "GTA02 HOLD button",
- .isr = gta02kbd_default_key_irq,
- .input_key = KEY_PAUSE,
- },
-};
-
-/* This timer section filters AUX button IRQ bouncing */
-
-static void aux_key_timer_f(unsigned long data);
-
-static struct timer_list aux_key_timer =
- TIMER_INITIALIZER(aux_key_timer_f, 0, 0);
-
-#define AUX_TIMER_TIMEOUT (HZ >> 7)
-#define AUX_TIMER_ALLOWED_NOOP 2
-#define AUX_TIMER_CONSECUTIVE_EVENTS 5
-
-struct gta02kbd *timer_kbd;
-
-static void aux_key_timer_f(unsigned long data)
-{
- static int noop_counter;
- static int last_key = -1;
- static int last_count;
- int key_pressed;
-
- key_pressed =
- gpio_get_value(timer_kbd->pdev->resource[GTA02_KEY_AUX].start);
-
- if (likely(key_pressed == last_key))
- last_count++;
- else {
- last_count = 1;
- last_key = key_pressed;
- }
-
- if (unlikely(last_count >= AUX_TIMER_CONSECUTIVE_EVENTS)) {
- if (timer_kbd->aux_state != last_key) {
- input_report_key(timer_kbd->input, KEY_PHONE, last_key);
- input_sync(timer_kbd->input);
-
- timer_kbd->aux_state = last_key;
- noop_counter = 0;
- }
- last_count = 0;
- if (unlikely(++noop_counter > AUX_TIMER_ALLOWED_NOOP)) {
- noop_counter = 0;
- return;
- }
- }
-
- mod_timer(&aux_key_timer, jiffies + AUX_TIMER_TIMEOUT);
-}
-
-static irqreturn_t gta02kbd_aux_irq(int irq, void *dev)
-{
- mod_timer(&aux_key_timer, jiffies + AUX_TIMER_TIMEOUT);
-
- return IRQ_HANDLED;
-}
-
-static irqreturn_t gta02kbd_default_key_irq(int irq, void *dev_id)
-{
- struct gta02kbd *kbd = dev_id;
- int n;
-
- for (n = 0; n < ARRAY_SIZE(keys); n++) {
-
- if (irq != keys[n].irq)
- continue;
-
- input_report_key(kbd->input, keys[n].input_key,
- gpio_get_value(kbd->pdev->resource[n].start));
- input_sync(kbd->input);
- }
-
- return IRQ_HANDLED;
-}
-
-#ifdef CONFIG_PM
-static int gta02kbd_suspend(struct platform_device *dev, pm_message_t state)
-{
- disable_irq(keys[GTA02_KEY_AUX].irq);
- del_timer_sync(&aux_key_timer);
- return 0;
-}
-
-static int gta02kbd_resume(struct platform_device *dev)
-{
- enable_irq(keys[GTA02_KEY_AUX].irq);
- return 0;
-}
-#else
-#define gta02kbd_suspend NULL
-#define gta02kbd_resume NULL
-#endif
-
-static int gta02kbd_probe(struct platform_device *pdev)
-{
- struct gta02kbd *gta02kbd;
- struct input_dev *input_dev;
- int rc;
- int irq;
- int n;
-
- if (pdev->resource[0].flags != 0)
- return -EINVAL;
-
- gta02kbd = kzalloc(sizeof(struct gta02kbd), GFP_KERNEL);
- input_dev = input_allocate_device();
- if (!gta02kbd || !input_dev) {
- kfree(gta02kbd);
- input_free_device(input_dev);
- return -ENOMEM;
- }
-
- gta02kbd->pdev = pdev;
- timer_kbd = gta02kbd;
-
- platform_set_drvdata(pdev, gta02kbd);
-
- gta02kbd->input = input_dev;
-
- input_dev->name = "GTA02 Buttons";
- input_dev->phys = "gta02kbd/input0";
- input_dev->id.bustype = BUS_HOST;
- input_dev->id.vendor = 0x0001;
- input_dev->id.product = 0x0001;
- input_dev->id.version = 0x0100;
- input_dev->dev.parent = &pdev->dev;
-
- input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_SW);
- set_bit(KEY_PHONE, input_dev->keybit);
- set_bit(KEY_PAUSE, input_dev->keybit);
-
- rc = input_register_device(gta02kbd->input);
- if (rc)
- goto out_register;
-
- /* register GPIO IRQs */
- for(n = 0; n < min(pdev->num_resources, ARRAY_SIZE(keys)); n++) {
-
- if (!pdev->resource[0].start)
- continue;
-
- irq = gpio_to_irq(pdev->resource[n].start);
- if (irq < 0)
- continue;
-
- if (request_irq(irq, keys[n].isr, IRQF_DISABLED |
- IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
- keys[n].name, gta02kbd)) {
- dev_err(&pdev->dev, "Can't get IRQ %u\n", irq);
-
- /* unwind any irq registrations and fail */
-
- while (n > 0) {
- n--;
- free_irq(gpio_to_irq(pdev->resource[n].start),
- gta02kbd);
- }
- goto out_device_create;
- }
-
- keys[n].irq = irq;
- }
-
-
- return 0;
-
-out_device_create:
- input_unregister_device(gta02kbd->input);
-out_register:
- input_free_device(gta02kbd->input);
- platform_set_drvdata(pdev, NULL);
- kfree(gta02kbd);
-
- return -ENODEV;
-}
-
-static int gta02kbd_remove(struct platform_device *pdev)
-{
- struct gta02kbd *gta02kbd = platform_get_drvdata(pdev);
-
- free_irq(gpio_to_irq(pdev->resource[1].start), gta02kbd);
- free_irq(gpio_to_irq(pdev->resource[0].start), gta02kbd);
-
- input_unregister_device(gta02kbd->input);
- input_free_device(gta02kbd->input);
- platform_set_drvdata(pdev, NULL);
- kfree(gta02kbd);
-
- return 0;
-}
-
-static struct platform_driver gta02kbd_driver = {
- .probe = gta02kbd_probe,
- .remove = gta02kbd_remove,
- .suspend = gta02kbd_suspend,
- .resume = gta02kbd_resume,
- .driver = {
- .name = "gta02-button",
- },
-};
-
-static int __devinit gta02kbd_init(void)
-{
- return platform_driver_register(>a02kbd_driver);
-}
-
-static void __exit gta02kbd_exit(void)
-{
- platform_driver_unregister(>a02kbd_driver);
-}
-
-module_init(gta02kbd_init);
-module_exit(gta02kbd_exit);
-
-MODULE_AUTHOR("Harald Welte <laforge@openmoko.org>");
-MODULE_DESCRIPTION("Openmoko Freerunner buttons input driver");
-MODULE_LICENSE("GPL");
projects / openwrt.git / commitdiff