Deleted: trunk/drivers/input/misc/bf53x_pfbuttons.c (4022 => 4023)
--- trunk/drivers/input/misc/bf53x_pfbuttons.c 2007-12-11 07:38:37 UTC (rev 4022)
+++ trunk/drivers/input/misc/bf53x_pfbuttons.c 2007-12-11 07:44:21 UTC (rev 4023)
@@ -1,529 +0,0 @@
-/*
- * File: drivers/input/misc/bf53x_pfbuttons.c
- * Based on:
- * Author: Michele d'Amico
- *
- * Created:
- * Description:
- *
- * Rev: $Id$
- *
- * Modified: Copyright 2006 Michele d'Amico
- * Copyright 2006 Analog Devices Inc.
- * Copyright 2007 Michael Hennerich, Analog Devices Inc.
- *
- * Bugs: Enter bugs at http://blackfin.uclinux.org/
- *
- * This program is free software ; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation ; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY ; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program ; see the file COPYING.
- * If not, write to the Free Software Foundation,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/input.h>
-#include <linux/major.h>
-#include <asm/uaccess.h>
-#include <asm/blackfin.h>
-#include <asm/irq.h>
-#include <asm/gpio.h>
-#include <linux/delay.h>
-#include <linux/proc_fs.h>
-#include <linux/interrupt.h>
-
-MODULE_AUTHOR("Michele d'Amico <[EMAIL PROTECTED]>");
-MODULE_DESCRIPTION("PFButton input driver");
-MODULE_LICENSE("GPL");
-
-#if defined(CONFIG_BFIN533_TASVOIP)
-#define BUTTONS 4
-#define PF_BUTTON1 11
-#define PF_BUTTON2 12
-#define PF_BUTTON3 13
-#define PF_BUTTON4 14
-
-static unsigned short bf53xPFbuttons_btn_gpios[BUTTONS] = {
- PF_BUTTON1,
- PF_BUTTON2,
- PF_BUTTON3,
- PF_BUTTON4
-};
-
-static unsigned short bf53xPFbuttons_btncode[BUTTONS] = {
- (unsigned short)BTN_0,
- (unsigned short)BTN_1,
- (unsigned short)BTN_2,
- (unsigned short)BTN_3
-};
-
-#define LEDS 1
-#define PF_LED1 9
-
-static unsigned short bf53xPFbuttons_led_gpios[LEDS] = {
- PF_LED1
-};
-
-static unsigned short bf53xPFbuttons_ledcode[LEDS] = {
- (unsigned short)LED_MISC
-};
-
-#define BELLS 1
-#define PF_BELL1 10
-
-static unsigned short bf53xPFbuttons_snd_gpios[BELLS] = {
- PF_BELL1
-};
-
-static unsigned short bf53xPFbuttons_sndcode[BELLS] = {
- (unsigned short)SND_BELL
-};
-
-#elif defined(CONFIG_BFIN533_STAMP)
-#define BUTTONS 3
-#define PF_BUTTON1 5
-#define PF_BUTTON2 6
-#define PF_BUTTON3 8
-
-static unsigned short bf53xPFbuttons_btn_gpios[BUTTONS] = {
- PF_BUTTON1,
- PF_BUTTON2,
- PF_BUTTON3
-};
-
-static unsigned short bf53xPFbuttons_btncode[BUTTONS] = {
- (unsigned short)BTN_0,
- (unsigned short)BTN_1,
- (unsigned short)BTN_2
-};
-
-#define LEDS 3
-#define PF_LED1 2
-#define PF_LED2 3
-#define PF_LED3 4
-
-static unsigned short bf53xPFbuttons_led_gpios[LEDS] = {
- PF_LED1,
- PF_LED2,
- PF_LED3
-};
-
-static unsigned short bf53xPFbuttons_ledcode[LEDS] = {
- (unsigned short)LED_MISC,
- (unsigned short)LED_MUTE,
- (unsigned short)LED_SUSPEND
-};
-
-#define BELLS 0
-
-#define PF_BELLS_MASK 0
-
-#elif defined(CONFIG_BFIN533_EZKIT)
-#define BUTTONS 4
-#define PF_BUTTON1 7
-#define PF_BUTTON2 8
-#define PF_BUTTON3 9
-#define PF_BUTTON4 10
-
-static unsigned short bf53xPFbuttons_btn_gpios[BUTTONS] = {
- PF_BUTTON1,
- PF_BUTTON2,
- PF_BUTTON3,
- PF_BUTTON4
-};
-
-static unsigned short bf53xPFbuttons_btncode[BUTTONS] = {
- (unsigned short)BTN_0,
- (unsigned short)BTN_1,
- (unsigned short)BTN_2,
- (unsigned short)BTN_3
-};
-
-/* I don't know where the leds are routed on EZKIT (Michele) */
-#define LEDS 0
-#define PF_LEDS_MASK 0
-
-#define BELLS 0
-#define PF_BELLS_MASK 0
-
-#elif defined(CONFIG_BFIN537_STAMP)
-#define BUTTONS 4
-#define PF_BUTTON1 2
-#define PF_BUTTON2 3
-#define PF_BUTTON3 4
-#define PF_BUTTON4 5
-
-static unsigned short bf53xPFbuttons_btn_gpios[BUTTONS] = {
- PF_BUTTON1,
- PF_BUTTON2,
- PF_BUTTON3,
- PF_BUTTON4
-};
-
-static unsigned short bf53xPFbuttons_btncode[BUTTONS] = {
- (unsigned short)BTN_0,
- (unsigned short)BTN_1,
- (unsigned short)BTN_2,
- (unsigned short)BTN_3
-};
-
-#define LEDS 3
-#define PF_LED1 6
-#define PF_LED2 7
-#define PF_LED3 8
-
-static unsigned short bf53xPFbuttons_led_gpios[LEDS] = {
- PF_LED1,
- PF_LED2,
- PF_LED3
-};
-
-static unsigned short bf53xPFbuttons_ledcode[LEDS] = {
- (unsigned short)LED_MISC,
- (unsigned short)LED_MUTE,
- (unsigned short)LED_SUSPEND
-};
-
-#define BELLS 0
-
-#define PF_BELLS_MASK 0
-#else
-#error "ONLY Tasvoip, STAMP and EZKIT are supported"
-#endif
-
-struct bf53xPFbuttons {
-#if BUTTONS
- unsigned short *btncode;
- unsigned short *btn_gpios;
-#endif
-#if LEDS
- unsigned short *ledcode;
- unsigned short *led_gpios;
-#endif
-#if BELLS
- unsigned short *sndcode;
- unsigned short *snd_gpios;
-#endif
- struct input_dev *dev;
- char name[64];
- char phys[32];
- short laststate[BUTTONS];
- short statechanged[BUTTONS];
- unsigned long irq_handled;
- unsigned long events_sended;
- unsigned long events_processed;
-};
-
-static irqreturn_t bf53xPFbuttons_irq_handler(int irq, void *dev_id);
-static int bf53xPFbuttons_proc_output(struct bf53xPFbuttons *bf53xPFbuttons,
- char *buf);
-static int bf53xPFbuttons_read_proc(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-
-static struct bf53xPFbuttons chip = {
-#if BUTTONS
- .btncode = bf53xPFbuttons_btncode,
- .btn_gpios = bf53xPFbuttons_btn_gpios,
-#endif
-#if LEDS
- .ledcode = bf53xPFbuttons_ledcode,
- .led_gpios = bf53xPFbuttons_led_gpios,
-#endif
-#if BELLS
- .sndcode = bf53xPFbuttons_sndcode,
- .snd_gpios = bf53xPFbuttons_snd_gpios,
-#endif
- .irq_handled = 0,
- .events_sended = 0,
- .events_processed = 0,
-};
-
-static irqreturn_t bf53xPFbuttons_irq_handler(int irq, void *dev_id)
-{
- struct bf53xPFbuttons *bf53xPFbuttons = (struct bf53xPFbuttons *)dev_id;
-
- u16 i = 0;
-
- pr_debug("bf53xPFbuttons_irq_handler PF%d\n", (irq - IRQ_PF0));
-
- while (i < BUTTONS) {
- if (bf53xPFbuttons->btn_gpios[i] == irq - IRQ_PF0)
- break;
- i++;
- }
-
- bf53xPFbuttons->statechanged[i] = 1;
- bf53xPFbuttons->laststate[i] ^= bf53xPFbuttons->statechanged[i];
-
- input_report_key(bf53xPFbuttons->dev, bf53xPFbuttons->btncode[i],
- bf53xPFbuttons->laststate[i] ? 0 : 1);
- bf53xPFbuttons->events_sended++;
- input_sync(bf53xPFbuttons->dev);
-
- bf53xPFbuttons->irq_handled++;
- return IRQ_HANDLED;
-}
-
-static int bf53xPFbuttons_dev_event(struct input_dev *dev, unsigned int type,
- unsigned int code, int value)
-{
- struct bf53xPFbuttons *bf53xPFbuttons =
- (struct bf53xPFbuttons *)dev->private;
- int i;
-
- switch (type) {
-
- case EV_LED:
-#if LEDS
- for (i = 0; i < LEDS; ++i) {
- if (bf53xPFbuttons->ledcode[i] == code) {
- gpio_set_value(bf53xPFbuttons->led_gpios[i],
- value);
- bf53xPFbuttons->events_processed++;
- return 0;
- }
- }
- break;
-#endif
- case EV_SND:
-#if BELLS
- for (i = 0; i < BELLS; ++i) {
- if (bf53xPFbuttons->sndcode[i] == code) {
- gpio_set_value(bf53xPFbuttons->snd_gpios[i],
- value);
- bf53xPFbuttons->events_processed++;
- return 0;
- }
- }
-#endif
- break;
- }
-
- return -1;
-}
-
-static void inline bf53xPFbuttons_remove_IRQ(struct bf53xPFbuttons
- *bf53xPFbuttons)
-{
-
- u16 i;
-
- for (i = 0; i < BUTTONS; i++) {
- free_irq(IRQ_PF0 + bf53xPFbuttons->btn_gpios[i],
- bf53xPFbuttons_irq_handler);
- }
-
-}
-
-static int inline bf53xPFbuttons_init_IRQ(struct bf53xPFbuttons *bf53xPFbuttons)
-{
-
- u16 i;
-
- for (i = 0; i < BUTTONS; i++) {
- pr_debug("bf53xPFbuttons_init_IRQ PF%d configured\n",
- IRQ_PF0 + bf53xPFbuttons->btn_gpios[i]);
- if (request_irq
- (IRQ_PF0 + bf53xPFbuttons->btn_gpios[i],
- bf53xPFbuttons_irq_handler,
- IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
- "bf53xPFbuttons", bf53xPFbuttons)) {
- /* Rollback */
- printk(KERN_WARNING
- "bf53xPFbuttons: IRQ %d is not free. Roolback to the previos configuration\n",
- IRQ_PF0 + i);
- bf53xPFbuttons_remove_IRQ(bf53xPFbuttons);
- return -EIO;
- }
-
- }
-
- return 0;
-}
-
-static int bf53xPFbuttons_request_gpio(unsigned short *gpios,
- unsigned short nr_gpios)
-{
- u16 i;
-
- for (i = 0; i < nr_gpios; i++)
- if (gpio_request(gpios[i], NULL)) {
- printk(KERN_WARNING
- "bf53xPFbuttons: Failed to request GPIO_%d\n",
- gpios[i]);
- } else {
- gpio_direction_output(gpios[i]);
- }
-
- return 0;
-}
-
-static int bf53xPFbuttons_release_gpio(unsigned short *gpios,
- unsigned short nr_gpios)
-{
- u16 i;
-
- for (i = 0; i < nr_gpios; i++)
- gpio_free(gpios[i]);
-
- return 0;
-}
-
-static int __init bf53xPFbuttons_init(void)
-{
- struct bf53xPFbuttons *bf53xPFbuttons = &chip;
- int i;
- int ret = 0;
-
- bf53xPFbuttons->dev = input_allocate_device();
-
- if (!bf53xPFbuttons->dev)
- return -1;
-
- bf53xPFbuttons->dev->evbit[0] = 0;
-#if BUTTONS
- {
- bf53xPFbuttons->dev->evbit[0] |= BIT(EV_KEY);
- bf53xPFbuttons->dev->keycode = bf53xPFbuttons->btncode;
- bf53xPFbuttons->dev->keycodesize =
- sizeof(bf53xPFbuttons->btncode);
- bf53xPFbuttons->dev->keycodemax =
- ARRAY_SIZE(bf53xPFbuttons_btncode);
-
- for (i = 0; i < BUTTONS; i++) {
- set_bit(bf53xPFbuttons->btncode[i],
- bf53xPFbuttons->dev->keybit);
- }
- }
-#endif
-#if LEDS
- {
- bf53xPFbuttons->dev->evbit[0] |= BIT(EV_LED);
- for (i = 0; i < LEDS; i++) {
- set_bit(bf53xPFbuttons->ledcode[i],
- bf53xPFbuttons->dev->ledbit);
- }
- }
-#endif
-#if BELLS
- {
- bf53xPFbuttons->dev->evbit[0] |= BIT(EV_SND);
- for (i = 0; i < BELLS; i++) {
- set_bit(bf53xPFbuttons->sndcode[i],
- bf53xPFbuttons->dev->sndbit);
- }
- }
-#endif
-
- if (LEDS || BELLS) {
- bf53xPFbuttons->dev->event = bf53xPFbuttons_dev_event;
- bf53xPFbuttons->dev->private = bf53xPFbuttons;
- }
-
- sprintf(bf53xPFbuttons->name, "BF5xx PFButtons");
- sprintf(bf53xPFbuttons->phys, "pfbuttons/input0");
- bf53xPFbuttons->dev->name = bf53xPFbuttons->name;
- bf53xPFbuttons->dev->phys = bf53xPFbuttons->phys;
- bf53xPFbuttons->dev->id.bustype = BUS_HOST;
- bf53xPFbuttons->dev->id.vendor = 0x0001;
- bf53xPFbuttons->dev->id.product = 0x0001;
- bf53xPFbuttons->dev->id.version = 0x0100;
-
- input_register_device(bf53xPFbuttons->dev);
-
- printk(KERN_INFO "input: %s at %s\n", bf53xPFbuttons->name,
- bf53xPFbuttons->dev->phys);
-
- create_proc_read_entry("driver/bf53xPFbuttons", 0, 0,
- bf53xPFbuttons_read_proc, bf53xPFbuttons);
-
-#if LEDS
- bf53xPFbuttons_request_gpio(bf53xPFbuttons->led_gpios, LEDS);
-#endif
-
-#if BELLS
- bf53xPFbuttons_request_gpio(bf53xPFbuttons->snd_gpios, BELLS);
-#endif
-
-#if BUTTONS
-
- ret = bf53xPFbuttons_init_IRQ(bf53xPFbuttons);
-
-#endif /*BUTTONS*/
- pr_debug("bf53xPFbuttons_init IRQ restored\n");
- return ret;
-}
-
-void __exit bf53xPFbuttons_exit(void)
-{
- struct bf53xPFbuttons *bf53xPFbuttons = &chip;
-
-#if LEDS
- bf53xPFbuttons_release_gpio(bf53xPFbuttons->led_gpios, LEDS);
-#endif
-
-#if BELLS
- bf53xPFbuttons_release_gpio(bf53xPFbuttons->snd_gpios, BELLS);
-#endif
-
- bf53xPFbuttons_remove_IRQ(bf53xPFbuttons);
- input_free_device(bf53xPFbuttons->dev);
- remove_proc_entry("driver/bf53xPFbuttons", NULL);
-}
-
-module_init(bf53xPFbuttons_init);
-module_exit(bf53xPFbuttons_exit);
-
-/*
- * Info exported via "/proc/driver/bf53xPFbuttons".
- * TODO: convert this to debugfs
- */
-static int bf53xPFbuttons_proc_output(struct bf53xPFbuttons *bf53xPFbuttons,
- char *buf)
-{
- char *p;
- u16 i;
- p = buf;
-
- p += sprintf(p, "PIN\t:DATA DIR INEN EDGE BOTH POLAR MASKA MASKB\n");
- p += sprintf(p, " \t:H/L O/I D/E E/L B/S L/H S/C S/C\n");
- for (i = 0; i < MAX_BLACKFIN_GPIOS; i++)
- p += sprintf(p,
- "PF%d\t: %d....%d....%d....%d....%d....%d.....%d.....%d \n",
- i, get_gpio_data(i), get_gpio_dir(i),
- get_gpio_inen(i), get_gpio_edge(i),
- get_gpio_both(i), get_gpio_polar(i),
- get_gpio_maska(i), get_gpio_maskb(i));
- p += sprintf(p,
- "Interrupt: %ld\nEvents sended: %ld\nEvents processed: %ld\n",
- bf53xPFbuttons->irq_handled, bf53xPFbuttons->events_sended,
- bf53xPFbuttons->events_processed);
-
- return p - buf;
-}
-
-static int bf53xPFbuttons_read_proc(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct bf53xPFbuttons *bf53xPFbuttons = (struct bf53xPFbuttons *)data;
- int len = bf53xPFbuttons_proc_output(bf53xPFbuttons, page);
- if (len <= off + count)
- *eof = 1;
- *start = page + off;
- len -= off;
- if (len > count)
- len = count;
- if (len < 0)
- len = 0;
- return len;
-}
