tree with htc dream support
Pavel Machek
pavel at ucw.cz
Sun Dec 27 16:53:24 EST 2009
Hi!
This switches gpio_ code and touchscreen driver to the version in
staging tree; removing 2KLoC.
Signed-off-by: Pavel Machek <pavel at ucw.cz>
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 42a5a5a..17a0bb4 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -12,7 +12,7 @@ obj-$(CONFIG_INPUT_BFIN_ROTARY) += bfin_rotary.o
obj-$(CONFIG_INPUT_CM109) += cm109.o
obj-$(CONFIG_INPUT_COBALT_BTNS) += cobalt_btns.o
obj-$(CONFIG_INPUT_DM355EVM) += dm355evm_keys.o
-obj-$(CONFIG_INPUT_GPIO) += gpio_event.o gpio_matrix.o gpio_input.o gpio_output.o gpio_axis.o
+obj-$(CONFIG_INPUT_GPIO) += ../../staging/dream/gpio_event.o ../../staging/dream/gpio_matrix.o ../../staging/dream/gpio_input.o ../../staging/dream/gpio_output.o ../../staging/dream/gpio_axis.o
obj-$(CONFIG_HP_SDC_RTC) += hp_sdc_rtc.o
obj-$(CONFIG_INPUT_IXP4XX_BEEPER) += ixp4xx-beeper.o
obj-$(CONFIG_INPUT_KEYCHORD) += keychord.o
diff --git a/drivers/input/misc/gpio_axis.c b/drivers/input/misc/gpio_axis.c
deleted file mode 100644
index 30b9f56..0000000
--- a/drivers/input/misc/gpio_axis.c
+++ /dev/null
@@ -1,191 +0,0 @@
-/* drivers/input/misc/gpio_axis.c
- *
- * Copyright (C) 2007 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * 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.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/gpio.h>
-#include <linux/gpio_event.h>
-#include <linux/interrupt.h>
-
-struct gpio_axis_state {
- struct gpio_event_input_devs *input_devs;
- struct gpio_event_axis_info *info;
- uint32_t pos;
-};
-
-uint16_t gpio_axis_4bit_gray_map_table[] = {
- [0x0] = 0x0, [0x1] = 0x1, /* 0000 0001 */
- [0x3] = 0x2, [0x2] = 0x3, /* 0011 0010 */
- [0x6] = 0x4, [0x7] = 0x5, /* 0110 0111 */
- [0x5] = 0x6, [0x4] = 0x7, /* 0101 0100 */
- [0xc] = 0x8, [0xd] = 0x9, /* 1100 1101 */
- [0xf] = 0xa, [0xe] = 0xb, /* 1111 1110 */
- [0xa] = 0xc, [0xb] = 0xd, /* 1010 1011 */
- [0x9] = 0xe, [0x8] = 0xf, /* 1001 1000 */
-};
-uint16_t gpio_axis_4bit_gray_map(struct gpio_event_axis_info *info, uint16_t in)
-{
- return gpio_axis_4bit_gray_map_table[in];
-}
-
-uint16_t gpio_axis_5bit_singletrack_map_table[] = {
- [0x10] = 0x00, [0x14] = 0x01, [0x1c] = 0x02, /* 10000 10100 11100 */
- [0x1e] = 0x03, [0x1a] = 0x04, [0x18] = 0x05, /* 11110 11010 11000 */
- [0x08] = 0x06, [0x0a] = 0x07, [0x0e] = 0x08, /* 01000 01010 01110 */
- [0x0f] = 0x09, [0x0d] = 0x0a, [0x0c] = 0x0b, /* 01111 01101 01100 */
- [0x04] = 0x0c, [0x05] = 0x0d, [0x07] = 0x0e, /* 00100 00101 00111 */
- [0x17] = 0x0f, [0x16] = 0x10, [0x06] = 0x11, /* 10111 10110 00110 */
- [0x02] = 0x12, [0x12] = 0x13, [0x13] = 0x14, /* 00010 10010 10011 */
- [0x1b] = 0x15, [0x0b] = 0x16, [0x03] = 0x17, /* 11011 01011 00011 */
- [0x01] = 0x18, [0x09] = 0x19, [0x19] = 0x1a, /* 00001 01001 11001 */
- [0x1d] = 0x1b, [0x15] = 0x1c, [0x11] = 0x1d, /* 11101 10101 10001 */
-};
-uint16_t gpio_axis_5bit_singletrack_map(
- struct gpio_event_axis_info *info, uint16_t in)
-{
- return gpio_axis_5bit_singletrack_map_table[in];
-}
-
-static void gpio_event_update_axis(struct gpio_axis_state *as, int report)
-{
- struct gpio_event_axis_info *ai = as->info;
- int i;
- int change;
- uint16_t state = 0;
- uint16_t pos;
- uint16_t old_pos = as->pos;
- for (i = ai->count - 1; i >= 0; i--)
- state = (state << 1) | gpio_get_value(ai->gpio[i]);
- pos = ai->map(ai, state);
- if (ai->flags & GPIOEAF_PRINT_RAW)
- pr_info("axis %d-%d raw %x, pos %d -> %d\n",
- ai->type, ai->code, state, old_pos, pos);
- if (report && pos != old_pos) {
- if (ai->type == EV_REL) {
- change = (ai->decoded_size + pos - old_pos) %
- ai->decoded_size;
- if (change > ai->decoded_size / 2)
- change -= ai->decoded_size;
- if (change == ai->decoded_size / 2) {
- if (ai->flags & GPIOEAF_PRINT_EVENT)
- pr_info("axis %d-%d unknown direction, "
- "pos %d -> %d\n", ai->type,
- ai->code, old_pos, pos);
- change = 0; /* no closest direction */
- }
- if (ai->flags & GPIOEAF_PRINT_EVENT)
- pr_info("axis %d-%d change %d\n",
- ai->type, ai->code, change);
- input_report_rel(as->input_devs->dev[ai->dev],
- ai->code, change);
- } else {
- if (ai->flags & GPIOEAF_PRINT_EVENT)
- pr_info("axis %d-%d now %d\n",
- ai->type, ai->code, pos);
- input_event(as->input_devs->dev[ai->dev],
- ai->type, ai->code, pos);
- }
- input_sync(as->input_devs->dev[ai->dev]);
- }
- as->pos = pos;
-}
-
-static irqreturn_t gpio_axis_irq_handler(int irq, void *dev_id)
-{
- struct gpio_axis_state *as = dev_id;
- gpio_event_update_axis(as, 1);
- return IRQ_HANDLED;
-}
-
-int gpio_event_axis_func(struct gpio_event_input_devs *input_devs,
- struct gpio_event_info *info, void **data, int func)
-{
- int ret;
- int i;
- int irq;
- struct gpio_event_axis_info *ai;
- struct gpio_axis_state *as;
-
- ai = container_of(info, struct gpio_event_axis_info, info);
- if (func == GPIO_EVENT_FUNC_SUSPEND) {
- for (i = 0; i < ai->count; i++)
- disable_irq(gpio_to_irq(ai->gpio[i]));
- return 0;
- }
- if (func == GPIO_EVENT_FUNC_RESUME) {
- for (i = 0; i < ai->count; i++)
- enable_irq(gpio_to_irq(ai->gpio[i]));
- return 0;
- }
-
- if (func == GPIO_EVENT_FUNC_INIT) {
- *data = as = kmalloc(sizeof(*as), GFP_KERNEL);
- if (as == NULL) {
- ret = -ENOMEM;
- goto err_alloc_axis_state_failed;
- }
- as->input_devs = input_devs;
- as->info = ai;
- if (ai->dev >= input_devs->count) {
- pr_err("gpio_event_axis: bad device index %d >= %d "
- "for %d:%d\n", ai->dev, input_devs->count,
- ai->type, ai->code);
- ret = -EINVAL;
- goto err_bad_device_index;
- }
-
- input_set_capability(input_devs->dev[ai->dev],
- ai->type, ai->code);
- if (ai->type == EV_ABS) {
- input_set_abs_params(input_devs->dev[ai->dev], ai->code,
- 0, ai->decoded_size - 1, 0, 0);
- }
- for (i = 0; i < ai->count; i++) {
- ret = gpio_request(ai->gpio[i], "gpio_event_axis");
- if (ret < 0)
- goto err_request_gpio_failed;
- ret = gpio_direction_input(ai->gpio[i]);
- if (ret < 0)
- goto err_gpio_direction_input_failed;
- ret = irq = gpio_to_irq(ai->gpio[i]);
- if (ret < 0)
- goto err_get_irq_num_failed;
- ret = request_irq(irq, gpio_axis_irq_handler,
- IRQF_TRIGGER_RISING |
- IRQF_TRIGGER_FALLING,
- "gpio_event_axis", as);
- if (ret < 0)
- goto err_request_irq_failed;
- }
- gpio_event_update_axis(as, 0);
- return 0;
- }
-
- ret = 0;
- as = *data;
- for (i = ai->count - 1; i >= 0; i--) {
- free_irq(gpio_to_irq(ai->gpio[i]), as);
-err_request_irq_failed:
-err_get_irq_num_failed:
-err_gpio_direction_input_failed:
- gpio_free(ai->gpio[i]);
-err_request_gpio_failed:
- ;
- }
-err_bad_device_index:
- kfree(as);
- *data = NULL;
-err_alloc_axis_state_failed:
- return ret;
-}
diff --git a/drivers/input/misc/gpio_event.c b/drivers/input/misc/gpio_event.c
deleted file mode 100644
index 139b360..0000000
--- a/drivers/input/misc/gpio_event.c
+++ /dev/null
@@ -1,259 +0,0 @@
-/* drivers/input/misc/gpio_event.c
- *
- * Copyright (C) 2007 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * 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.
- *
- */
-
-#include <linux/earlysuspend.h>
-#include <linux/module.h>
-#include <linux/input.h>
-#include <linux/gpio_event.h>
-#include <linux/hrtimer.h>
-#include <linux/platform_device.h>
-
-struct gpio_event {
- struct gpio_event_input_devs *input_devs;
- const struct gpio_event_platform_data *info;
- struct early_suspend early_suspend;
- void *state[0];
-};
-
-static int gpio_input_event(
- struct input_dev *dev, unsigned int type, unsigned int code, int value)
-{
- int i;
- int devnr;
- int ret = 0;
- int tmp_ret;
- struct gpio_event_info **ii;
- struct gpio_event *ip = input_get_drvdata(dev);
-
- for (devnr = 0; devnr < ip->input_devs->count; devnr++)
- if (ip->input_devs->dev[devnr] == dev)
- break;
- if (devnr == ip->input_devs->count) {
- pr_err("gpio_input_event: unknown device %p\n", dev);
- return -EIO;
- }
-
- for (i = 0, ii = ip->info->info; i < ip->info->info_count; i++, ii++) {
- if ((*ii)->event) {
- tmp_ret = (*ii)->event(ip->input_devs, *ii,
- &ip->state[i],
- devnr, type, code, value);
- if (tmp_ret)
- ret = tmp_ret;
- }
- }
- return ret;
-}
-
-static int gpio_event_call_all_func(struct gpio_event *ip, int func)
-{
- int i;
- int ret;
- struct gpio_event_info **ii;
-
- if (func == GPIO_EVENT_FUNC_INIT || func == GPIO_EVENT_FUNC_RESUME) {
- ii = ip->info->info;
- for (i = 0; i < ip->info->info_count; i++, ii++) {
- if ((*ii)->func == NULL) {
- ret = -ENODEV;
- pr_err("gpio_event_probe: Incomplete pdata, "
- "no function\n");
- goto err_no_func;
- }
- if (func == GPIO_EVENT_FUNC_RESUME && (*ii)->no_suspend)
- continue;
- ret = (*ii)->func(ip->input_devs, *ii, &ip->state[i],
- func);
- if (ret) {
- pr_err("gpio_event_probe: function failed\n");
- goto err_func_failed;
- }
- }
- return 0;
- }
-
- ret = 0;
- i = ip->info->info_count;
- ii = ip->info->info + i;
- while (i > 0) {
- i--;
- ii--;
- if ((func & ~1) == GPIO_EVENT_FUNC_SUSPEND && (*ii)->no_suspend)
- continue;
- (*ii)->func(ip->input_devs, *ii, &ip->state[i], func & ~1);
-err_func_failed:
-err_no_func:
- ;
- }
- return ret;
-}
-
-#ifdef CONFIG_HAS_EARLYSUSPEND
-void gpio_event_suspend(struct early_suspend *h)
-{
- struct gpio_event *ip;
- ip = container_of(h, struct gpio_event, early_suspend);
- gpio_event_call_all_func(ip, GPIO_EVENT_FUNC_SUSPEND);
- ip->info->power(ip->info, 0);
-}
-
-void gpio_event_resume(struct early_suspend *h)
-{
- struct gpio_event *ip;
- ip = container_of(h, struct gpio_event, early_suspend);
- ip->info->power(ip->info, 1);
- gpio_event_call_all_func(ip, GPIO_EVENT_FUNC_RESUME);
-}
-#endif
-
-static int __init gpio_event_probe(struct platform_device *pdev)
-{
- int err;
- struct gpio_event *ip;
- struct gpio_event_platform_data *event_info;
- int dev_count = 1;
- int i;
- int registered = 0;
-
- event_info = pdev->dev.platform_data;
- if (event_info == NULL) {
- pr_err("gpio_event_probe: No pdata\n");
- return -ENODEV;
- }
- if ((!event_info->name && !event_info->names[0]) ||
- !event_info->info || !event_info->info_count) {
- pr_err("gpio_event_probe: Incomplete pdata\n");
- return -ENODEV;
- }
- if (!event_info->name)
- while (event_info->names[dev_count])
- dev_count++;
- ip = kzalloc(sizeof(*ip) +
- sizeof(ip->state[0]) * event_info->info_count +
- sizeof(*ip->input_devs) +
- sizeof(ip->input_devs->dev[0]) * dev_count, GFP_KERNEL);
- if (ip == NULL) {
- err = -ENOMEM;
- pr_err("gpio_event_probe: Failed to allocate private data\n");
- goto err_kp_alloc_failed;
- }
- ip->input_devs = (void*)&ip->state[event_info->info_count];
- platform_set_drvdata(pdev, ip);
-
- for (i = 0; i < dev_count; i++) {
- struct input_dev *input_dev = input_allocate_device();
- if (input_dev == NULL) {
- err = -ENOMEM;
- pr_err("gpio_event_probe: "
- "Failed to allocate input device\n");
- goto err_input_dev_alloc_failed;
- }
- input_set_drvdata(input_dev, ip);
- input_dev->name = event_info->name ?
- event_info->name : event_info->names[i];
- input_dev->event = gpio_input_event;
- ip->input_devs->dev[i] = input_dev;
- }
- ip->input_devs->count = dev_count;
- ip->info = event_info;
- if (event_info->power) {
-#ifdef CONFIG_HAS_EARLYSUSPEND
- ip->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 1;
- ip->early_suspend.suspend = gpio_event_suspend;
- ip->early_suspend.resume = gpio_event_resume;
- register_early_suspend(&ip->early_suspend);
-#endif
- ip->info->power(ip->info, 1);
- }
-
- err = gpio_event_call_all_func(ip, GPIO_EVENT_FUNC_INIT);
- if (err)
- goto err_call_all_func_failed;
-
- for (i = 0; i < dev_count; i++) {
- err = input_register_device(ip->input_devs->dev[i]);
- if (err) {
- pr_err("gpio_event_probe: Unable to register %s "
- "input device\n", ip->input_devs->dev[i]->name);
- goto err_input_register_device_failed;
- }
- registered++;
- }
-
- return 0;
-
-err_input_register_device_failed:
- gpio_event_call_all_func(ip, GPIO_EVENT_FUNC_UNINIT);
-err_call_all_func_failed:
- if (event_info->power) {
-#ifdef CONFIG_HAS_EARLYSUSPEND
- unregister_early_suspend(&ip->early_suspend);
-#endif
- ip->info->power(ip->info, 0);
- }
- for (i = 0; i < registered; i++)
- input_unregister_device(ip->input_devs->dev[i]);
- for (i = dev_count - 1; i >= registered; i--) {
- input_free_device(ip->input_devs->dev[i]);
-err_input_dev_alloc_failed:
- ;
- }
- kfree(ip);
-err_kp_alloc_failed:
- return err;
-}
-
-static int gpio_event_remove(struct platform_device *pdev)
-{
- struct gpio_event *ip = platform_get_drvdata(pdev);
- int i;
-
- gpio_event_call_all_func(ip, GPIO_EVENT_FUNC_UNINIT);
- if (ip->info->power) {
-#ifdef CONFIG_HAS_EARLYSUSPEND
- unregister_early_suspend(&ip->early_suspend);
-#endif
- ip->info->power(ip->info, 0);
- }
- for (i = 0; i < ip->input_devs->count; i++)
- input_unregister_device(ip->input_devs->dev[i]);
- kfree(ip);
- return 0;
-}
-
-static struct platform_driver gpio_event_driver = {
- .probe = gpio_event_probe,
- .remove = gpio_event_remove,
- .driver = {
- .name = GPIO_EVENT_DEV_NAME,
- },
-};
-
-static int __devinit gpio_event_init(void)
-{
- return platform_driver_register(&gpio_event_driver);
-}
-
-static void __exit gpio_event_exit(void)
-{
- platform_driver_unregister(&gpio_event_driver);
-}
-
-module_init(gpio_event_init);
-module_exit(gpio_event_exit);
-
-MODULE_DESCRIPTION("GPIO Event Driver");
-MODULE_LICENSE("GPL");
-
diff --git a/drivers/input/misc/gpio_input.c b/drivers/input/misc/gpio_input.c
deleted file mode 100644
index 7e66f8c..0000000
--- a/drivers/input/misc/gpio_input.c
+++ /dev/null
@@ -1,352 +0,0 @@
-/* drivers/input/misc/gpio_input.c
- *
- * Copyright (C) 2007 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * 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.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/gpio.h>
-#include <linux/gpio_event.h>
-#include <linux/hrtimer.h>
-#include <linux/input.h>
-#include <linux/interrupt.h>
-#include <linux/wakelock.h>
-
-enum {
- DEBOUNCE_UNSTABLE = BIT(0), /* Got irq, while debouncing */
- DEBOUNCE_PRESSED = BIT(1),
- DEBOUNCE_NOTPRESSED = BIT(2),
- DEBOUNCE_WAIT_IRQ = BIT(3), /* Stable irq state */
- DEBOUNCE_POLL = BIT(4), /* Stable polling state */
-
- DEBOUNCE_UNKNOWN =
- DEBOUNCE_PRESSED | DEBOUNCE_NOTPRESSED,
-};
-
-struct gpio_key_state {
- struct gpio_input_state *ds;
- uint8_t debounce;
-};
-
-struct gpio_input_state {
- struct gpio_event_input_devs *input_devs;
- const struct gpio_event_input_info *info;
- struct hrtimer timer;
- int use_irq;
- int debounce_count;
- spinlock_t irq_lock;
- struct wake_lock wake_lock;
- struct gpio_key_state key_state[0];
-};
-
-static enum hrtimer_restart gpio_event_input_timer_func(struct hrtimer *timer)
-{
- int i;
- int pressed;
- struct gpio_input_state *ds =
- container_of(timer, struct gpio_input_state, timer);
- unsigned gpio_flags = ds->info->flags;
- unsigned npolarity;
- int nkeys = ds->info->keymap_size;
- const struct gpio_event_direct_entry *key_entry;
- struct gpio_key_state *key_state;
- unsigned long irqflags;
- uint8_t debounce;
-
-#if 0
- key_entry = kp->keys_info->keymap;
- key_state = kp->key_state;
- for (i = 0; i < nkeys; i++, key_entry++, key_state++)
- pr_info("gpio_read_detect_status %d %d\n", key_entry->gpio,
- gpio_read_detect_status(key_entry->gpio));
-#endif
- key_entry = ds->info->keymap;
- key_state = ds->key_state;
- spin_lock_irqsave(&ds->irq_lock, irqflags);
- for (i = 0; i < nkeys; i++, key_entry++, key_state++) {
- debounce = key_state->debounce;
- if (debounce & DEBOUNCE_WAIT_IRQ)
- continue;
- if (key_state->debounce & DEBOUNCE_UNSTABLE) {
- debounce = key_state->debounce = DEBOUNCE_UNKNOWN;
- enable_irq(gpio_to_irq(key_entry->gpio));
- pr_info("gpio_keys_scan_keys: key %x-%x, %d "
- "(%d) continue debounce\n",
- ds->info->type, key_entry->code,
- i, key_entry->gpio);
- }
- npolarity = !(gpio_flags & GPIOEDF_ACTIVE_HIGH);
- pressed = gpio_get_value(key_entry->gpio) ^ npolarity;
- if (debounce & DEBOUNCE_POLL) {
- if (pressed == !(debounce & DEBOUNCE_PRESSED)) {
- ds->debounce_count++;
- key_state->debounce = DEBOUNCE_UNKNOWN;
- if (gpio_flags & GPIOEDF_PRINT_KEY_DEBOUNCE)
- pr_info("gpio_keys_scan_keys: key %x-"
- "%x, %d (%d) start debounce\n",
- ds->info->type, key_entry->code,
- i, key_entry->gpio);
- }
- continue;
- }
- if (pressed && (debounce & DEBOUNCE_NOTPRESSED)) {
- if (gpio_flags & GPIOEDF_PRINT_KEY_DEBOUNCE)
- pr_info("gpio_keys_scan_keys: key %x-%x, %d "
- "(%d) debounce pressed 1\n",
- ds->info->type, key_entry->code,
- i, key_entry->gpio);
- key_state->debounce = DEBOUNCE_PRESSED;
- continue;
- }
- if (!pressed && (debounce & DEBOUNCE_PRESSED)) {
- if (gpio_flags & GPIOEDF_PRINT_KEY_DEBOUNCE)
- pr_info("gpio_keys_scan_keys: key %x-%x, %d "
- "(%d) debounce pressed 0\n",
- ds->info->type, key_entry->code,
- i, key_entry->gpio);
- key_state->debounce = DEBOUNCE_NOTPRESSED;
- continue;
- }
- /* key is stable */
- ds->debounce_count--;
- if (ds->use_irq)
- key_state->debounce |= DEBOUNCE_WAIT_IRQ;
- else
- key_state->debounce |= DEBOUNCE_POLL;
- if (gpio_flags & GPIOEDF_PRINT_KEYS)
- pr_info("gpio_keys_scan_keys: key %x-%x, %d (%d) "
- "changed to %d\n", ds->info->type,
- key_entry->code, i, key_entry->gpio, pressed);
- input_event(ds->input_devs->dev[key_entry->dev], ds->info->type,
- key_entry->code, pressed);
- }
-
-#if 0
- key_entry = kp->keys_info->keymap;
- key_state = kp->key_state;
- for (i = 0; i < nkeys; i++, key_entry++, key_state++) {
- pr_info("gpio_read_detect_status %d %d\n", key_entry->gpio,
- gpio_read_detect_status(key_entry->gpio));
- }
-#endif
-
- if (ds->debounce_count)
- hrtimer_start(timer, ds->info->debounce_time, HRTIMER_MODE_REL);
- else if (!ds->use_irq)
- hrtimer_start(timer, ds->info->poll_time, HRTIMER_MODE_REL);
- else
- wake_unlock(&ds->wake_lock);
-
- spin_unlock_irqrestore(&ds->irq_lock, irqflags);
-
- return HRTIMER_NORESTART;
-}
-
-static irqreturn_t gpio_event_input_irq_handler(int irq, void *dev_id)
-{
- struct gpio_key_state *ks = dev_id;
- struct gpio_input_state *ds = ks->ds;
- int keymap_index = ks - ds->key_state;
- const struct gpio_event_direct_entry *key_entry;
- unsigned long irqflags;
- int pressed;
-
- if (!ds->use_irq)
- return IRQ_HANDLED;
-
- key_entry = &ds->info->keymap[keymap_index];
-
- if (ds->info->debounce_time.tv64) {
- spin_lock_irqsave(&ds->irq_lock, irqflags);
- if (ks->debounce & DEBOUNCE_WAIT_IRQ) {
- ks->debounce = DEBOUNCE_UNKNOWN;
- if (ds->debounce_count++ == 0) {
- wake_lock(&ds->wake_lock);
- hrtimer_start(
- &ds->timer, ds->info->debounce_time,
- HRTIMER_MODE_REL);
- }
- if (ds->info->flags & GPIOEDF_PRINT_KEY_DEBOUNCE)
- pr_info("gpio_event_input_irq_handler: "
- "key %x-%x, %d (%d) start debounce\n",
- ds->info->type, key_entry->code,
- keymap_index, key_entry->gpio);
- } else {
- disable_irq_nosync(irq);
- ks->debounce = DEBOUNCE_UNSTABLE;
- }
- spin_unlock_irqrestore(&ds->irq_lock, irqflags);
- } else {
- pressed = gpio_get_value(key_entry->gpio) ^
- !(ds->info->flags & GPIOEDF_ACTIVE_HIGH);
- if (ds->info->flags & GPIOEDF_PRINT_KEYS)
- pr_info("gpio_event_input_irq_handler: key %x-%x, %d "
- "(%d) changed to %d\n",
- ds->info->type, key_entry->code, keymap_index,
- key_entry->gpio, pressed);
- input_event(ds->input_devs->dev[key_entry->dev], ds->info->type,
- key_entry->code, pressed);
- }
- return IRQ_HANDLED;
-}
-
-static int gpio_event_input_request_irqs(struct gpio_input_state *ds)
-{
- int i;
- int err;
- unsigned int irq;
- unsigned long req_flags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING;
-
- for (i = 0; i < ds->info->keymap_size; i++) {
- err = irq = gpio_to_irq(ds->info->keymap[i].gpio);
- if (err < 0)
- goto err_gpio_get_irq_num_failed;
- err = request_irq(irq, gpio_event_input_irq_handler,
- req_flags, "gpio_keys", &ds->key_state[i]);
- if (err) {
- pr_err("gpio_event_input_request_irqs: request_irq "
- "failed for input %d, irq %d\n",
- ds->info->keymap[i].gpio, irq);
- goto err_request_irq_failed;
- }
- enable_irq_wake(irq);
- }
- return 0;
-
- for (i = ds->info->keymap_size - 1; i >= 0; i--) {
- free_irq(gpio_to_irq(ds->info->keymap[i].gpio),
- &ds->key_state[i]);
-err_request_irq_failed:
-err_gpio_get_irq_num_failed:
- ;
- }
- return err;
-}
-
-int gpio_event_input_func(struct gpio_event_input_devs *input_devs,
- struct gpio_event_info *info, void **data, int func)
-{
- int ret;
- int i;
- unsigned long irqflags;
- struct gpio_event_input_info *di;
- struct gpio_input_state *ds = *data;
-
- di = container_of(info, struct gpio_event_input_info, info);
-
- if (func == GPIO_EVENT_FUNC_SUSPEND) {
- if (ds->use_irq)
- for (i = 0; i < di->keymap_size; i++)
- disable_irq(gpio_to_irq(di->keymap[i].gpio));
- hrtimer_cancel(&ds->timer);
- return 0;
- }
- if (func == GPIO_EVENT_FUNC_RESUME) {
- spin_lock_irqsave(&ds->irq_lock, irqflags);
- if (ds->use_irq)
- for (i = 0; i < di->keymap_size; i++)
- enable_irq(gpio_to_irq(di->keymap[i].gpio));
- hrtimer_start(&ds->timer, ktime_set(0, 0), HRTIMER_MODE_REL);
- spin_unlock_irqrestore(&ds->irq_lock, irqflags);
- return 0;
- }
-
- if (func == GPIO_EVENT_FUNC_INIT) {
- if (ktime_to_ns(di->poll_time) <= 0)
- di->poll_time = ktime_set(0, 20 * NSEC_PER_MSEC);
-
- *data = ds = kzalloc(sizeof(*ds) + sizeof(ds->key_state[0]) *
- di->keymap_size, GFP_KERNEL);
- if (ds == NULL) {
- ret = -ENOMEM;
- pr_err("gpio_event_input_func: "
- "Failed to allocate private data\n");
- goto err_ds_alloc_failed;
- }
- ds->debounce_count = di->keymap_size;
- ds->input_devs = input_devs;
- ds->info = di;
- wake_lock_init(&ds->wake_lock, WAKE_LOCK_SUSPEND, "gpio_input");
- spin_lock_init(&ds->irq_lock);
-
- for (i = 0; i < di->keymap_size; i++) {
- int dev = di->keymap[i].dev;
- if (dev >= input_devs->count) {
- pr_err("gpio_event_input_func: bad device "
- "index %d >= %d for key code %d\n",
- dev, input_devs->count,
- di->keymap[i].code);
- ret = -EINVAL;
- goto err_bad_keymap;
- }
- input_set_capability(input_devs->dev[dev], di->type,
- di->keymap[i].code);
- ds->key_state[i].ds = ds;
- ds->key_state[i].debounce = DEBOUNCE_UNKNOWN;
- }
-
- for (i = 0; i < di->keymap_size; i++) {
- ret = gpio_request(di->keymap[i].gpio, "gpio_kp_in");
- if (ret) {
- pr_err("gpio_event_input_func: gpio_request "
- "failed for %d\n", di->keymap[i].gpio);
- goto err_gpio_request_failed;
- }
- ret = gpio_direction_input(di->keymap[i].gpio);
- if (ret) {
- pr_err("gpio_event_input_func: "
- "gpio_direction_input failed for %d\n",
- di->keymap[i].gpio);
- goto err_gpio_configure_failed;
- }
- }
-
- ret = gpio_event_input_request_irqs(ds);
-
- spin_lock_irqsave(&ds->irq_lock, irqflags);
- ds->use_irq = ret == 0;
-
- pr_info("GPIO Input Driver: Start gpio inputs for %s%s in %s "
- "mode\n", input_devs->dev[0]->name,
- (input_devs->count > 1) ? "..." : "",
- ret == 0 ? "interrupt" : "polling");
-
- hrtimer_init(&ds->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
- ds->timer.function = gpio_event_input_timer_func;
- hrtimer_start(&ds->timer, ktime_set(0, 0), HRTIMER_MODE_REL);
- spin_unlock_irqrestore(&ds->irq_lock, irqflags);
- return 0;
- }
-
- ret = 0;
- spin_lock_irqsave(&ds->irq_lock, irqflags);
- hrtimer_cancel(&ds->timer);
- if (ds->use_irq) {
- for (i = di->keymap_size - 1; i >= 0; i--) {
- free_irq(gpio_to_irq(di->keymap[i].gpio),
- &ds->key_state[i]);
- }
- }
- spin_unlock_irqrestore(&ds->irq_lock, irqflags);
-
- for (i = di->keymap_size - 1; i >= 0; i--) {
-err_gpio_configure_failed:
- gpio_free(di->keymap[i].gpio);
-err_gpio_request_failed:
- ;
- }
-err_bad_keymap:
- wake_lock_destroy(&ds->wake_lock);
- kfree(ds);
-err_ds_alloc_failed:
- return ret;
-}
diff --git a/drivers/input/misc/gpio_matrix.c b/drivers/input/misc/gpio_matrix.c
deleted file mode 100644
index 90866c4..0000000
--- a/drivers/input/misc/gpio_matrix.c
+++ /dev/null
@@ -1,422 +0,0 @@
-/* drivers/input/misc/gpio_matrix.c
- *
- * Copyright (C) 2007 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * 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.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/gpio.h>
-#include <linux/gpio_event.h>
-#include <linux/hrtimer.h>
-#include <linux/interrupt.h>
-#include <linux/wakelock.h>
-
-struct gpio_kp {
- struct gpio_event_input_devs *input_devs;
- struct gpio_event_matrix_info *keypad_info;
- struct hrtimer timer;
- struct wake_lock wake_lock;
- int current_output;
- unsigned int use_irq:1;
- unsigned int key_state_changed:1;
- unsigned int last_key_state_changed:1;
- unsigned int some_keys_pressed:2;
- unsigned long keys_pressed[0];
-};
-
-static void clear_phantom_key(struct gpio_kp *kp, int out, int in)
-{
- struct gpio_event_matrix_info *mi = kp->keypad_info;
- int key_index = out * mi->ninputs + in;
- unsigned short keyentry = mi->keymap[key_index];
- unsigned short keycode = keyentry & MATRIX_KEY_MASK;
- unsigned short dev = keyentry >> MATRIX_CODE_BITS;
-
- if (!test_bit(keycode, kp->input_devs->dev[dev]->key)) {
- if (mi->flags & GPIOKPF_PRINT_PHANTOM_KEYS)
- pr_info("gpiomatrix: phantom key %x, %d-%d (%d-%d) "
- "cleared\n", keycode, out, in,
- mi->output_gpios[out], mi->input_gpios[in]);
- __clear_bit(key_index, kp->keys_pressed);
- } else {
- if (mi->flags & GPIOKPF_PRINT_PHANTOM_KEYS)
- pr_info("gpiomatrix: phantom key %x, %d-%d (%d-%d) "
- "not cleared\n", keycode, out, in,
- mi->output_gpios[out], mi->input_gpios[in]);
- }
-}
-
-static int restore_keys_for_input(struct gpio_kp *kp, int out, int in)
-{
- int rv = 0;
- int key_index;
-
- key_index = out * kp->keypad_info->ninputs + in;
- while (out < kp->keypad_info->noutputs) {
- if (test_bit(key_index, kp->keys_pressed)) {
- rv = 1;
- clear_phantom_key(kp, out, in);
- }
- key_index += kp->keypad_info->ninputs;
- out++;
- }
- return rv;
-}
-
-static void remove_phantom_keys(struct gpio_kp *kp)
-{
- int out, in, inp;
- int key_index;
-
- if (kp->some_keys_pressed < 3)
- return;
-
- for (out = 0; out < kp->keypad_info->noutputs; out++) {
- inp = -1;
- key_index = out * kp->keypad_info->ninputs;
- for (in = 0; in < kp->keypad_info->ninputs; in++, key_index++) {
- if (test_bit(key_index, kp->keys_pressed)) {
- if (inp == -1) {
- inp = in;
- continue;
- }
- if (inp >= 0) {
- if (!restore_keys_for_input(kp, out + 1,
- inp))
- break;
- clear_phantom_key(kp, out, inp);
- inp = -2;
- }
- restore_keys_for_input(kp, out, in);
- }
- }
- }
-}
-
-static void report_key(struct gpio_kp *kp, int key_index, int out, int in)
-{
- struct gpio_event_matrix_info *mi = kp->keypad_info;
- int pressed = test_bit(key_index, kp->keys_pressed);
- unsigned short keyentry = mi->keymap[key_index];
- unsigned short keycode = keyentry & MATRIX_KEY_MASK;
- unsigned short dev = keyentry >> MATRIX_CODE_BITS;
-
- if (pressed != test_bit(keycode, kp->input_devs->dev[dev]->key)) {
- if (keycode == KEY_RESERVED) {
- if (mi->flags & GPIOKPF_PRINT_UNMAPPED_KEYS)
- pr_info("gpiomatrix: unmapped key, %d-%d "
- "(%d-%d) changed to %d\n",
- out, in, mi->output_gpios[out],
- mi->input_gpios[in], pressed);
- } else {
- if (mi->flags & GPIOKPF_PRINT_MAPPED_KEYS)
- pr_info("gpiomatrix: key %x, %d-%d (%d-%d) "
- "changed to %d\n", keycode,
- out, in, mi->output_gpios[out],
- mi->input_gpios[in], pressed);
- input_report_key(kp->input_devs->dev[dev], keycode, pressed);
- }
- }
-}
-
-static enum hrtimer_restart gpio_keypad_timer_func(struct hrtimer *timer)
-{
- int out, in;
- int key_index;
- int gpio;
- struct gpio_kp *kp = container_of(timer, struct gpio_kp, timer);
- struct gpio_event_matrix_info *mi = kp->keypad_info;
- unsigned gpio_keypad_flags = mi->flags;
- unsigned polarity = !!(gpio_keypad_flags & GPIOKPF_ACTIVE_HIGH);
-
- out = kp->current_output;
- if (out == mi->noutputs) {
- out = 0;
- kp->last_key_state_changed = kp->key_state_changed;
- kp->key_state_changed = 0;
- kp->some_keys_pressed = 0;
- } else {
- key_index = out * mi->ninputs;
- for (in = 0; in < mi->ninputs; in++, key_index++) {
- gpio = mi->input_gpios[in];
- if (gpio_get_value(gpio) ^ !polarity) {
- if (kp->some_keys_pressed < 3)
- kp->some_keys_pressed++;
- kp->key_state_changed |= !__test_and_set_bit(
- key_index, kp->keys_pressed);
- } else
- kp->key_state_changed |= __test_and_clear_bit(
- key_index, kp->keys_pressed);
- }
- gpio = mi->output_gpios[out];
- if (gpio_keypad_flags & GPIOKPF_DRIVE_INACTIVE)
- gpio_set_value(gpio, !polarity);
- else
- gpio_direction_input(gpio);
- out++;
- }
- kp->current_output = out;
- if (out < mi->noutputs) {
- gpio = mi->output_gpios[out];
- if (gpio_keypad_flags & GPIOKPF_DRIVE_INACTIVE)
- gpio_set_value(gpio, polarity);
- else
- gpio_direction_output(gpio, polarity);
- hrtimer_start(timer, mi->settle_time, HRTIMER_MODE_REL);
- return HRTIMER_NORESTART;
- }
- if (gpio_keypad_flags & GPIOKPF_DEBOUNCE) {
- if (kp->key_state_changed) {
- hrtimer_start(&kp->timer, mi->debounce_delay,
- HRTIMER_MODE_REL);
- return HRTIMER_NORESTART;
- }
- kp->key_state_changed = kp->last_key_state_changed;
- }
- if (kp->key_state_changed) {
- if (gpio_keypad_flags & GPIOKPF_REMOVE_SOME_PHANTOM_KEYS)
- remove_phantom_keys(kp);
- key_index = 0;
- for (out = 0; out < mi->noutputs; out++)
- for (in = 0; in < mi->ninputs; in++, key_index++)
- report_key(kp, key_index, out, in);
- }
- if (!kp->use_irq || kp->some_keys_pressed) {
- hrtimer_start(timer, mi->poll_time, HRTIMER_MODE_REL);
- return HRTIMER_NORESTART;
- }
-
- /* No keys are pressed, reenable interrupt */
- for (out = 0; out < mi->noutputs; out++) {
- if (gpio_keypad_flags & GPIOKPF_DRIVE_INACTIVE)
- gpio_set_value(mi->output_gpios[out], polarity);
- else
- gpio_direction_output(mi->output_gpios[out], polarity);
- }
- for (in = 0; in < mi->ninputs; in++)
- enable_irq(gpio_to_irq(mi->input_gpios[in]));
- wake_unlock(&kp->wake_lock);
- return HRTIMER_NORESTART;
-}
-
-static irqreturn_t gpio_keypad_irq_handler(int irq_in, void *dev_id)
-{
- int i;
- struct gpio_kp *kp = dev_id;
- struct gpio_event_matrix_info *mi = kp->keypad_info;
- unsigned gpio_keypad_flags = mi->flags;
-
- if (!kp->use_irq) /* ignore interrupt while registering the handler */
- return IRQ_HANDLED;
-
- for (i = 0; i < mi->ninputs; i++)
- disable_irq_nosync(gpio_to_irq(mi->input_gpios[i]));
- for (i = 0; i < mi->noutputs; i++) {
- if (gpio_keypad_flags & GPIOKPF_DRIVE_INACTIVE)
- gpio_set_value(mi->output_gpios[i],
- !(gpio_keypad_flags & GPIOKPF_ACTIVE_HIGH));
- else
- gpio_direction_input(mi->output_gpios[i]);
- }
- wake_lock(&kp->wake_lock);
- hrtimer_start(&kp->timer, ktime_set(0, 0), HRTIMER_MODE_REL);
- return IRQ_HANDLED;
-}
-
-static int gpio_keypad_request_irqs(struct gpio_kp *kp)
-{
- int i;
- int err;
- unsigned int irq;
- unsigned long request_flags;
- struct gpio_event_matrix_info *mi = kp->keypad_info;
-
- switch (mi->flags & (GPIOKPF_ACTIVE_HIGH|GPIOKPF_LEVEL_TRIGGERED_IRQ)) {
- default:
- request_flags = IRQF_TRIGGER_FALLING;
- break;
- case GPIOKPF_ACTIVE_HIGH:
- request_flags = IRQF_TRIGGER_RISING;
- break;
- case GPIOKPF_LEVEL_TRIGGERED_IRQ:
- request_flags = IRQF_TRIGGER_LOW;
- break;
- case GPIOKPF_LEVEL_TRIGGERED_IRQ | GPIOKPF_ACTIVE_HIGH:
- request_flags = IRQF_TRIGGER_HIGH;
- break;
- }
-
- for (i = 0; i < mi->ninputs; i++) {
- err = irq = gpio_to_irq(mi->input_gpios[i]);
- if (err < 0)
- goto err_gpio_get_irq_num_failed;
- err = request_irq(irq, gpio_keypad_irq_handler, request_flags,
- "gpio_kp", kp);
- if (err) {
- pr_err("gpiomatrix: request_irq failed for input %d, "
- "irq %d\n", mi->input_gpios[i], irq);
- goto err_request_irq_failed;
- }
- err = set_irq_wake(irq, 1);
- if (err) {
- pr_err("gpiomatrix: set_irq_wake failed for input %d, "
- "irq %d\n", mi->input_gpios[i], irq);
- }
- disable_irq(irq);
- }
- return 0;
-
- for (i = mi->noutputs - 1; i >= 0; i--) {
- free_irq(gpio_to_irq(mi->input_gpios[i]), kp);
-err_request_irq_failed:
-err_gpio_get_irq_num_failed:
- ;
- }
- return err;
-}
-
-int gpio_event_matrix_func(struct gpio_event_input_devs *input_devs,
- struct gpio_event_info *info, void **data, int func)
-{
- int i;
- int err;
- int key_count;
- struct gpio_kp *kp;
- struct gpio_event_matrix_info *mi;
-
- mi = container_of(info, struct gpio_event_matrix_info, info);
- if (func == GPIO_EVENT_FUNC_SUSPEND || func == GPIO_EVENT_FUNC_RESUME) {
- /* TODO: disable scanning */
- return 0;
- }
-
- if (func == GPIO_EVENT_FUNC_INIT) {
- if (mi->keymap == NULL ||
- mi->input_gpios == NULL ||
- mi->output_gpios == NULL) {
- err = -ENODEV;
- pr_err("gpiomatrix: Incomplete pdata\n");
- goto err_invalid_platform_data;
- }
- key_count = mi->ninputs * mi->noutputs;
-
- *data = kp = kzalloc(sizeof(*kp) + sizeof(kp->keys_pressed[0]) *
- BITS_TO_LONGS(key_count), GFP_KERNEL);
- if (kp == NULL) {
- err = -ENOMEM;
- pr_err("gpiomatrix: Failed to allocate private data\n");
- goto err_kp_alloc_failed;
- }
- kp->input_devs = input_devs;
- kp->keypad_info = mi;
- for (i = 0; i < key_count; i++) {
- unsigned short keyentry = mi->keymap[i];
- unsigned short keycode = keyentry & MATRIX_KEY_MASK;
- unsigned short dev = keyentry >> MATRIX_CODE_BITS;
- if (dev >= input_devs->count) {
- pr_err("gpiomatrix: bad device index %d >= "
- "%d for key code %d\n",
- dev, input_devs->count, keycode);
- err = -EINVAL;
- goto err_bad_keymap;
- }
- if (keycode && keycode <= KEY_MAX)
- input_set_capability(input_devs->dev[dev],
- EV_KEY, keycode);
- }
-
- for (i = 0; i < mi->noutputs; i++) {
- if (gpio_cansleep(mi->output_gpios[i])) {
- pr_err("gpiomatrix: unsupported output gpio %d,"
- " can sleep\n", mi->output_gpios[i]);
- err = -EINVAL;
- goto err_request_output_gpio_failed;
- }
- err = gpio_request(mi->output_gpios[i], "gpio_kp_out");
- if (err) {
- pr_err("gpiomatrix: gpio_request failed for "
- "output %d\n", mi->output_gpios[i]);
- goto err_request_output_gpio_failed;
- }
- if (mi->flags & GPIOKPF_DRIVE_INACTIVE)
- err = gpio_direction_output(mi->output_gpios[i],
- !(mi->flags & GPIOKPF_ACTIVE_HIGH));
- else
- err = gpio_direction_input(mi->output_gpios[i]);
- if (err) {
- pr_err("gpiomatrix: gpio_configure failed for "
- "output %d\n", mi->output_gpios[i]);
- goto err_output_gpio_configure_failed;
- }
- }
- for (i = 0; i < mi->ninputs; i++) {
- err = gpio_request(mi->input_gpios[i], "gpio_kp_in");
- if (err) {
- pr_err("gpiomatrix: gpio_request failed for "
- "input %d\n", mi->input_gpios[i]);
- goto err_request_input_gpio_failed;
- }
- err = gpio_direction_input(mi->input_gpios[i]);
- if (err) {
- pr_err("gpiomatrix: gpio_direction_input failed"
- " for input %d\n", mi->input_gpios[i]);
- goto err_gpio_direction_input_failed;
- }
- }
- kp->current_output = mi->noutputs;
- kp->key_state_changed = 1;
-
- hrtimer_init(&kp->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
- kp->timer.function = gpio_keypad_timer_func;
- wake_lock_init(&kp->wake_lock, WAKE_LOCK_SUSPEND, "gpio_kp");
- err = gpio_keypad_request_irqs(kp);
- kp->use_irq = err == 0;
-
- pr_info("GPIO Matrix Keypad Driver: Start keypad matrix for "
- "%s%s in %s mode\n", input_devs->dev[0]->name,
- (input_devs->count > 1) ? "..." : "",
- kp->use_irq ? "interrupt" : "polling");
-
- if (kp->use_irq)
- wake_lock(&kp->wake_lock);
- hrtimer_start(&kp->timer, ktime_set(0, 0), HRTIMER_MODE_REL);
-
- return 0;
- }
-
- err = 0;
- kp = *data;
-
- if (kp->use_irq)
- for (i = mi->noutputs - 1; i >= 0; i--)
- free_irq(gpio_to_irq(mi->input_gpios[i]), kp);
-
- hrtimer_cancel(&kp->timer);
- wake_lock_destroy(&kp->wake_lock);
- for (i = mi->noutputs - 1; i >= 0; i--) {
-err_gpio_direction_input_failed:
- gpio_free(mi->input_gpios[i]);
-err_request_input_gpio_failed:
- ;
- }
- for (i = mi->noutputs - 1; i >= 0; i--) {
-err_output_gpio_configure_failed:
- gpio_free(mi->output_gpios[i]);
-err_request_output_gpio_failed:
- ;
- }
-err_bad_keymap:
- kfree(kp);
-err_kp_alloc_failed:
-err_invalid_platform_data:
- return err;
-}
diff --git a/drivers/input/misc/gpio_output.c b/drivers/input/misc/gpio_output.c
deleted file mode 100644
index 2aac2fa..0000000
--- a/drivers/input/misc/gpio_output.c
+++ /dev/null
@@ -1,97 +0,0 @@
-/* drivers/input/misc/gpio_output.c
- *
- * Copyright (C) 2007 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * 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.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/gpio.h>
-#include <linux/gpio_event.h>
-
-int gpio_event_output_event(
- struct gpio_event_input_devs *input_devs, struct gpio_event_info *info,
- void **data, unsigned int dev, unsigned int type,
- unsigned int code, int value)
-{
- int i;
- struct gpio_event_output_info *oi;
- oi = container_of(info, struct gpio_event_output_info, info);
- if (type != oi->type)
- return 0;
- if (!(oi->flags & GPIOEDF_ACTIVE_HIGH))
- value = !value;
- for (i = 0; i < oi->keymap_size; i++)
- if (dev == oi->keymap[i].dev && code == oi->keymap[i].code)
- gpio_set_value(oi->keymap[i].gpio, value);
- return 0;
-}
-
-int gpio_event_output_func(
- struct gpio_event_input_devs *input_devs, struct gpio_event_info *info,
- void **data, int func)
-{
- int ret;
- int i;
- struct gpio_event_output_info *oi;
- oi = container_of(info, struct gpio_event_output_info, info);
-
- if (func == GPIO_EVENT_FUNC_SUSPEND || func == GPIO_EVENT_FUNC_RESUME)
- return 0;
-
- if (func == GPIO_EVENT_FUNC_INIT) {
- int output_level = !(oi->flags & GPIOEDF_ACTIVE_HIGH);
-
- for (i = 0; i < oi->keymap_size; i++) {
- int dev = oi->keymap[i].dev;
- if (dev >= input_devs->count) {
- pr_err("gpio_event_output_func: bad device "
- "index %d >= %d for key code %d\n",
- dev, input_devs->count,
- oi->keymap[i].code);
- ret = -EINVAL;
- goto err_bad_keymap;
- }
- input_set_capability(input_devs->dev[dev], oi->type,
- oi->keymap[i].code);
- }
-
- for (i = 0; i < oi->keymap_size; i++) {
- ret = gpio_request(oi->keymap[i].gpio,
- "gpio_event_output");
- if (ret) {
- pr_err("gpio_event_output_func: gpio_request "
- "failed for %d\n", oi->keymap[i].gpio);
- goto err_gpio_request_failed;
- }
- ret = gpio_direction_output(oi->keymap[i].gpio,
- output_level);
- if (ret) {
- pr_err("gpio_event_output_func: "
- "gpio_direction_output failed for %d\n",
- oi->keymap[i].gpio);
- goto err_gpio_direction_output_failed;
- }
- }
- return 0;
- }
-
- ret = 0;
- for (i = oi->keymap_size - 1; i >= 0; i--) {
-err_gpio_direction_output_failed:
- gpio_free(oi->keymap[i].gpio);
-err_gpio_request_failed:
- ;
- }
-err_bad_keymap:
- return ret;
-}
-
diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
index 3c49e49..438e477 100644
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@@ -27,7 +27,7 @@ obj-$(CONFIG_TOUCHSCREEN_HP7XX) += jornada720_ts.o
obj-$(CONFIG_TOUCHSCREEN_HTCPEN) += htcpen.o
obj-$(CONFIG_TOUCHSCREEN_USB_COMPOSITE) += usbtouchscreen.o
obj-$(CONFIG_TOUCHSCREEN_PENMOUNT) += penmount.o
-obj-$(CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI) += synaptics_i2c_rmi.o
+obj-$(CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI) += ../../staging/dream/synaptics_i2c_rmi.o
obj-$(CONFIG_TOUCHSCREEN_TOUCHIT213) += touchit213.o
obj-$(CONFIG_TOUCHSCREEN_TOUCHRIGHT) += touchright.o
obj-$(CONFIG_TOUCHSCREEN_TOUCHWIN) += touchwin.o
diff --git a/drivers/input/touchscreen/synaptics_i2c_rmi.c b/drivers/input/touchscreen/synaptics_i2c_rmi.c
deleted file mode 100644
index f37c0c0..0000000
--- a/drivers/input/touchscreen/synaptics_i2c_rmi.c
+++ /dev/null
@@ -1,674 +0,0 @@
-/* drivers/input/keyboard/synaptics_i2c_rmi.c
- *
- * Copyright (C) 2007 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * 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.
- *
- */
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/earlysuspend.h>
-#include <linux/hrtimer.h>
-#include <linux/i2c.h>
-#include <linux/input.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <linux/platform_device.h>
-#include <linux/synaptics_i2c_rmi.h>
-
-static struct workqueue_struct *synaptics_wq;
-
-struct synaptics_ts_data {
- uint16_t addr;
- struct i2c_client *client;
- struct input_dev *input_dev;
- int use_irq;
- bool has_relative_report;
- struct hrtimer timer;
- struct work_struct work;
- uint16_t max[2];
- int snap_state[2][2];
- int snap_down_on[2];
- int snap_down_off[2];
- int snap_up_on[2];
- int snap_up_off[2];
- int snap_down[2];
- int snap_up[2];
- uint32_t flags;
- int reported_finger_count;
- int8_t sensitivity_adjust;
- int (*power)(int on);
- struct early_suspend early_suspend;
-};
-
-#ifdef CONFIG_HAS_EARLYSUSPEND
-static void synaptics_ts_early_suspend(struct early_suspend *h);
-static void synaptics_ts_late_resume(struct early_suspend *h);
-#endif
-
-static int synaptics_init_panel(struct synaptics_ts_data *ts)
-{
- int ret;
-
- ret = i2c_smbus_write_byte_data(ts->client, 0xff, 0x10); /* page select = 0x10 */
- if (ret < 0) {
- printk(KERN_ERR "i2c_smbus_write_byte_data failed for page select\n");
- goto err_page_select_failed;
- }
- ret = i2c_smbus_write_byte_data(ts->client, 0x41, 0x04); /* Set "No Clip Z" */
- if (ret < 0)
- printk(KERN_ERR "i2c_smbus_write_byte_data failed for No Clip Z\n");
-
- ret = i2c_smbus_write_byte_data(ts->client, 0x44,
- ts->sensitivity_adjust);
- if (ret < 0)
- pr_err("synaptics_ts: failed to set Sensitivity Adjust\n");
-
-err_page_select_failed:
- ret = i2c_smbus_write_byte_data(ts->client, 0xff, 0x04); /* page select = 0x04 */
- if (ret < 0)
- printk(KERN_ERR "i2c_smbus_write_byte_data failed for page select\n");
- ret = i2c_smbus_write_byte_data(ts->client, 0xf0, 0x81); /* normal operation, 80 reports per second */
- if (ret < 0)
- printk(KERN_ERR "synaptics_ts_resume: i2c_smbus_write_byte_data failed\n");
- return ret;
-}
-
-static void synaptics_ts_work_func(struct work_struct *work)
-{
- int i;
- int ret;
- int bad_data = 0;
- struct i2c_msg msg[2];
- uint8_t start_reg;
- uint8_t buf[15];
- struct synaptics_ts_data *ts = container_of(work, struct synaptics_ts_data, work);
- int buf_len = ts->has_relative_report ? 15 : 13;
-
- msg[0].addr = ts->client->addr;
- msg[0].flags = 0;
- msg[0].len = 1;
- msg[0].buf = &start_reg;
- start_reg = 0x00;
- msg[1].addr = ts->client->addr;
- msg[1].flags = I2C_M_RD;
- msg[1].len = buf_len;
- msg[1].buf = buf;
-
- /* printk("synaptics_ts_work_func\n"); */
- for (i = 0; i < ((ts->use_irq && !bad_data) ? 1 : 10); i++) {
- ret = i2c_transfer(ts->client->adapter, msg, 2);
- if (ret < 0) {
- printk(KERN_ERR "synaptics_ts_work_func: i2c_transfer failed\n");
- bad_data = 1;
- } else {
- /* printk("synaptics_ts_work_func: %x %x %x %x %x %x" */
- /* " %x %x %x %x %x %x %x %x %x, ret %d\n", */
- /* buf[0], buf[1], buf[2], buf[3], */
- /* buf[4], buf[5], buf[6], buf[7], */
- /* buf[8], buf[9], buf[10], buf[11], */
- /* buf[12], buf[13], buf[14], ret); */
- if ((buf[buf_len - 1] & 0xc0) != 0x40) {
- printk(KERN_WARNING "synaptics_ts_work_func:"
- " bad read %x %x %x %x %x %x %x %x %x"
- " %x %x %x %x %x %x, ret %d\n",
- buf[0], buf[1], buf[2], buf[3],
- buf[4], buf[5], buf[6], buf[7],
- buf[8], buf[9], buf[10], buf[11],
- buf[12], buf[13], buf[14], ret);
- if (bad_data)
- synaptics_init_panel(ts);
- bad_data = 1;
- continue;
- }
- bad_data = 0;
- if ((buf[buf_len - 1] & 1) == 0) {
- /* printk("read %d coordinates\n", i); */
- break;
- } else {
- int pos[2][2];
- int f, a;
- int base;
- /* int x = buf[3] | (uint16_t)(buf[2] & 0x1f) << 8; */
- /* int y = buf[5] | (uint16_t)(buf[4] & 0x1f) << 8; */
- int z = buf[1];
- int w = buf[0] >> 4;
- int finger = buf[0] & 7;
-
- /* int x2 = buf[3+6] | (uint16_t)(buf[2+6] & 0x1f) << 8; */
- /* int y2 = buf[5+6] | (uint16_t)(buf[4+6] & 0x1f) << 8; */
- /* int z2 = buf[1+6]; */
- /* int w2 = buf[0+6] >> 4; */
- /* int finger2 = buf[0+6] & 7; */
-
- /* int dx = (int8_t)buf[12]; */
- /* int dy = (int8_t)buf[13]; */
- int finger2_pressed;
-
- /* printk("x %4d, y %4d, z %3d, w %2d, F %d, 2nd: x %4d, y %4d, z %3d, w %2d, F %d, dx %4d, dy %4d\n", */
- /* x, y, z, w, finger, */
- /* x2, y2, z2, w2, finger2, */
- /* dx, dy); */
-
- base = 2;
- for (f = 0; f < 2; f++) {
- uint32_t flip_flag = SYNAPTICS_FLIP_X;
- for (a = 0; a < 2; a++) {
- int p = buf[base + 1];
- p |= (uint16_t)(buf[base] & 0x1f) << 8;
- if (ts->flags & flip_flag)
- p = ts->max[a] - p;
- if (ts->flags & SYNAPTICS_SNAP_TO_INACTIVE_EDGE) {
- if (ts->snap_state[f][a]) {
- if (p <= ts->snap_down_off[a])
- p = ts->snap_down[a];
- else if (p >= ts->snap_up_off[a])
- p = ts->snap_up[a];
- else
- ts->snap_state[f][a] = 0;
- } else {
- if (p <= ts->snap_down_on[a]) {
- p = ts->snap_down[a];
- ts->snap_state[f][a] = 1;
- } else if (p >= ts->snap_up_on[a]) {
- p = ts->snap_up[a];
- ts->snap_state[f][a] = 1;
- }
- }
- }
- pos[f][a] = p;
- base += 2;
- flip_flag <<= 1;
- }
- base += 2;
- if (ts->flags & SYNAPTICS_SWAP_XY)
- swap(pos[f][0], pos[f][1]);
- }
- if (z) {
- input_report_abs(ts->input_dev, ABS_X, pos[0][0]);
- input_report_abs(ts->input_dev, ABS_Y, pos[0][1]);
- }
- input_report_abs(ts->input_dev, ABS_PRESSURE, z);
- input_report_abs(ts->input_dev, ABS_TOOL_WIDTH, w);
- input_report_key(ts->input_dev, BTN_TOUCH, finger);
- finger2_pressed = finger > 1 && finger != 7;
- input_report_key(ts->input_dev, BTN_2, finger2_pressed);
- if (finger2_pressed) {
- input_report_abs(ts->input_dev, ABS_HAT0X, pos[1][0]);
- input_report_abs(ts->input_dev, ABS_HAT0Y, pos[1][1]);
- }
-
- if (!finger)
- z = 0;
- input_report_abs(ts->input_dev, ABS_MT_TOUCH_MAJOR, z);
- input_report_abs(ts->input_dev, ABS_MT_WIDTH_MAJOR, w);
- input_report_abs(ts->input_dev, ABS_MT_POSITION_X, pos[0][0]);
- input_report_abs(ts->input_dev, ABS_MT_POSITION_Y, pos[0][1]);
- input_mt_sync(ts->input_dev);
- if (finger2_pressed) {
- input_report_abs(ts->input_dev, ABS_MT_TOUCH_MAJOR, z);
- input_report_abs(ts->input_dev, ABS_MT_WIDTH_MAJOR, w);
- input_report_abs(ts->input_dev, ABS_MT_POSITION_X, pos[1][0]);
- input_report_abs(ts->input_dev, ABS_MT_POSITION_Y, pos[1][1]);
- input_mt_sync(ts->input_dev);
- } else if (ts->reported_finger_count > 1) {
- input_report_abs(ts->input_dev, ABS_MT_TOUCH_MAJOR, 0);
- input_report_abs(ts->input_dev, ABS_MT_WIDTH_MAJOR, 0);
- input_mt_sync(ts->input_dev);
- }
- ts->reported_finger_count = finger;
- input_sync(ts->input_dev);
- }
- }
- }
- if (ts->use_irq)
- enable_irq(ts->client->irq);
-}
-
-static enum hrtimer_restart synaptics_ts_timer_func(struct hrtimer *timer)
-{
- struct synaptics_ts_data *ts = container_of(timer, struct synaptics_ts_data, timer);
- /* printk("synaptics_ts_timer_func\n"); */
-
- queue_work(synaptics_wq, &ts->work);
-
- hrtimer_start(&ts->timer, ktime_set(0, 12500000), HRTIMER_MODE_REL);
- return HRTIMER_NORESTART;
-}
-
-static irqreturn_t synaptics_ts_irq_handler(int irq, void *dev_id)
-{
- struct synaptics_ts_data *ts = dev_id;
-
- /* printk("synaptics_ts_irq_handler\n"); */
- disable_irq_nosync(ts->client->irq);
- queue_work(synaptics_wq, &ts->work);
- return IRQ_HANDLED;
-}
-
-static int synaptics_ts_probe(
- struct i2c_client *client, const struct i2c_device_id *id)
-{
- struct synaptics_ts_data *ts;
- uint8_t buf0[4];
- uint8_t buf1[8];
- struct i2c_msg msg[2];
- int ret = 0;
- uint16_t max_x, max_y;
- int fuzz_x, fuzz_y, fuzz_p, fuzz_w;
- struct synaptics_i2c_rmi_platform_data *pdata;
- unsigned long irqflags;
- int inactive_area_left;
- int inactive_area_right;
- int inactive_area_top;
- int inactive_area_bottom;
- int snap_left_on;
- int snap_left_off;
- int snap_right_on;
- int snap_right_off;
- int snap_top_on;
- int snap_top_off;
- int snap_bottom_on;
- int snap_bottom_off;
- uint32_t panel_version;
-
- if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
- printk(KERN_ERR "synaptics_ts_probe: need I2C_FUNC_I2C\n");
- ret = -ENODEV;
- goto err_check_functionality_failed;
- }
-
- ts = kzalloc(sizeof(*ts), GFP_KERNEL);
- if (ts == NULL) {
- ret = -ENOMEM;
- goto err_alloc_data_failed;
- }
- INIT_WORK(&ts->work, synaptics_ts_work_func);
- ts->client = client;
- i2c_set_clientdata(client, ts);
- pdata = client->dev.platform_data;
- if (pdata)
- ts->power = pdata->power;
- if (ts->power) {
- ret = ts->power(1);
- if (ret < 0) {
- printk(KERN_ERR "synaptics_ts_probe power on failed\n");
- goto err_power_failed;
- }
- }
-
- ret = i2c_smbus_write_byte_data(ts->client, 0xf4, 0x01); /* device command = reset */
- if (ret < 0) {
- printk(KERN_ERR "i2c_smbus_write_byte_data failed\n");
- /* fail? */
- }
- {
- int retry = 10;
- while (retry-- > 0) {
- ret = i2c_smbus_read_byte_data(ts->client, 0xe4);
- if (ret >= 0)
- break;
- msleep(100);
- }
- }
- if (ret < 0) {
- printk(KERN_ERR "i2c_smbus_read_byte_data failed\n");
- goto err_detect_failed;
- }
- printk(KERN_INFO "synaptics_ts_probe: Product Major Version %x\n", ret);
- panel_version = ret << 8;
- ret = i2c_smbus_read_byte_data(ts->client, 0xe5);
- if (ret < 0) {
- printk(KERN_ERR "i2c_smbus_read_byte_data failed\n");
- goto err_detect_failed;
- }
- printk(KERN_INFO "synaptics_ts_probe: Product Minor Version %x\n", ret);
- panel_version |= ret;
-
- ret = i2c_smbus_read_byte_data(ts->client, 0xe3);
- if (ret < 0) {
- printk(KERN_ERR "i2c_smbus_read_byte_data failed\n");
- goto err_detect_failed;
- }
- printk(KERN_INFO "synaptics_ts_probe: product property %x\n", ret);
-
- if (pdata) {
- while (pdata->version > panel_version)
- pdata++;
- ts->flags = pdata->flags;
- ts->sensitivity_adjust = pdata->sensitivity_adjust;
- irqflags = pdata->irqflags;
- inactive_area_left = pdata->inactive_left;
- inactive_area_right = pdata->inactive_right;
- inactive_area_top = pdata->inactive_top;
- inactive_area_bottom = pdata->inactive_bottom;
- snap_left_on = pdata->snap_left_on;
- snap_left_off = pdata->snap_left_off;
- snap_right_on = pdata->snap_right_on;
- snap_right_off = pdata->snap_right_off;
- snap_top_on = pdata->snap_top_on;
- snap_top_off = pdata->snap_top_off;
- snap_bottom_on = pdata->snap_bottom_on;
- snap_bottom_off = pdata->snap_bottom_off;
- fuzz_x = pdata->fuzz_x;
- fuzz_y = pdata->fuzz_y;
- fuzz_p = pdata->fuzz_p;
- fuzz_w = pdata->fuzz_w;
- } else {
- irqflags = 0;
- inactive_area_left = 0;
- inactive_area_right = 0;
- inactive_area_top = 0;
- inactive_area_bottom = 0;
- snap_left_on = 0;
- snap_left_off = 0;
- snap_right_on = 0;
- snap_right_off = 0;
- snap_top_on = 0;
- snap_top_off = 0;
- snap_bottom_on = 0;
- snap_bottom_off = 0;
- fuzz_x = 0;
- fuzz_y = 0;
- fuzz_p = 0;
- fuzz_w = 0;
- }
-
- ret = i2c_smbus_read_byte_data(ts->client, 0xf0);
- if (ret < 0) {
- printk(KERN_ERR "i2c_smbus_read_byte_data failed\n");
- goto err_detect_failed;
- }
- printk(KERN_INFO "synaptics_ts_probe: device control %x\n", ret);
-
- ret = i2c_smbus_read_byte_data(ts->client, 0xf1);
- if (ret < 0) {
- printk(KERN_ERR "i2c_smbus_read_byte_data failed\n");
- goto err_detect_failed;
- }
- printk(KERN_INFO "synaptics_ts_probe: interrupt enable %x\n", ret);
-
- ret = i2c_smbus_write_byte_data(ts->client, 0xf1, 0); /* disable interrupt */
- if (ret < 0) {
- printk(KERN_ERR "i2c_smbus_write_byte_data failed\n");
- goto err_detect_failed;
- }
-
- msg[0].addr = ts->client->addr;
- msg[0].flags = 0;
- msg[0].len = 1;
- msg[0].buf = buf0;
- buf0[0] = 0xe0;
- msg[1].addr = ts->client->addr;
- msg[1].flags = I2C_M_RD;
- msg[1].len = 8;
- msg[1].buf = buf1;
- ret = i2c_transfer(ts->client->adapter, msg, 2);
- if (ret < 0) {
- printk(KERN_ERR "i2c_transfer failed\n");
- goto err_detect_failed;
- }
- printk(KERN_INFO "synaptics_ts_probe: 0xe0: %x %x %x %x %x %x %x %x\n",
- buf1[0], buf1[1], buf1[2], buf1[3],
- buf1[4], buf1[5], buf1[6], buf1[7]);
-
- ret = i2c_smbus_write_byte_data(ts->client, 0xff, 0x10); /* page select = 0x10 */
- if (ret < 0) {
- printk(KERN_ERR "i2c_smbus_write_byte_data failed for page select\n");
- goto err_detect_failed;
- }
- ret = i2c_smbus_read_word_data(ts->client, 0x02);
- if (ret < 0) {
- printk(KERN_ERR "i2c_smbus_read_word_data failed\n");
- goto err_detect_failed;
- }
- ts->has_relative_report = !(ret & 0x100);
- printk(KERN_INFO "synaptics_ts_probe: Sensor properties %x\n", ret);
- ret = i2c_smbus_read_word_data(ts->client, 0x04);
- if (ret < 0) {
- printk(KERN_ERR "i2c_smbus_read_word_data failed\n");
- goto err_detect_failed;
- }
- ts->max[0] = max_x = (ret >> 8 & 0xff) | ((ret & 0x1f) << 8);
- ret = i2c_smbus_read_word_data(ts->client, 0x06);
- if (ret < 0) {
- printk(KERN_ERR "i2c_smbus_read_word_data failed\n");
- goto err_detect_failed;
- }
- ts->max[1] = max_y = (ret >> 8 & 0xff) | ((ret & 0x1f) << 8);
- if (ts->flags & SYNAPTICS_SWAP_XY)
- swap(max_x, max_y);
-
- ret = synaptics_init_panel(ts); /* will also switch back to page 0x04 */
- if (ret < 0) {
- printk(KERN_ERR "synaptics_init_panel failed\n");
- goto err_detect_failed;
- }
-
- ts->input_dev = input_allocate_device();
- if (ts->input_dev == NULL) {
- ret = -ENOMEM;
- printk(KERN_ERR "synaptics_ts_probe: Failed to allocate input device\n");
- goto err_input_dev_alloc_failed;
- }
- ts->input_dev->name = "synaptics-rmi-touchscreen";
- set_bit(EV_SYN, ts->input_dev->evbit);
- set_bit(EV_KEY, ts->input_dev->evbit);
- set_bit(BTN_TOUCH, ts->input_dev->keybit);
- set_bit(BTN_2, ts->input_dev->keybit);
- set_bit(EV_ABS, ts->input_dev->evbit);
- inactive_area_left = inactive_area_left * max_x / 0x10000;
- inactive_area_right = inactive_area_right * max_x / 0x10000;
- inactive_area_top = inactive_area_top * max_y / 0x10000;
- inactive_area_bottom = inactive_area_bottom * max_y / 0x10000;
- snap_left_on = snap_left_on * max_x / 0x10000;
- snap_left_off = snap_left_off * max_x / 0x10000;
- snap_right_on = snap_right_on * max_x / 0x10000;
- snap_right_off = snap_right_off * max_x / 0x10000;
- snap_top_on = snap_top_on * max_y / 0x10000;
- snap_top_off = snap_top_off * max_y / 0x10000;
- snap_bottom_on = snap_bottom_on * max_y / 0x10000;
- snap_bottom_off = snap_bottom_off * max_y / 0x10000;
- fuzz_x = fuzz_x * max_x / 0x10000;
- fuzz_y = fuzz_y * max_y / 0x10000;
- ts->snap_down[!!(ts->flags & SYNAPTICS_SWAP_XY)] = -inactive_area_left;
- ts->snap_up[!!(ts->flags & SYNAPTICS_SWAP_XY)] = max_x + inactive_area_right;
- ts->snap_down[!(ts->flags & SYNAPTICS_SWAP_XY)] = -inactive_area_top;
- ts->snap_up[!(ts->flags & SYNAPTICS_SWAP_XY)] = max_y + inactive_area_bottom;
- ts->snap_down_on[!!(ts->flags & SYNAPTICS_SWAP_XY)] = snap_left_on;
- ts->snap_down_off[!!(ts->flags & SYNAPTICS_SWAP_XY)] = snap_left_off;
- ts->snap_up_on[!!(ts->flags & SYNAPTICS_SWAP_XY)] = max_x - snap_right_on;
- ts->snap_up_off[!!(ts->flags & SYNAPTICS_SWAP_XY)] = max_x - snap_right_off;
- ts->snap_down_on[!(ts->flags & SYNAPTICS_SWAP_XY)] = snap_top_on;
- ts->snap_down_off[!(ts->flags & SYNAPTICS_SWAP_XY)] = snap_top_off;
- ts->snap_up_on[!(ts->flags & SYNAPTICS_SWAP_XY)] = max_y - snap_bottom_on;
- ts->snap_up_off[!(ts->flags & SYNAPTICS_SWAP_XY)] = max_y - snap_bottom_off;
- printk(KERN_INFO "synaptics_ts_probe: max_x %d, max_y %d\n", max_x, max_y);
- printk(KERN_INFO "synaptics_ts_probe: inactive_x %d %d, inactive_y %d %d\n",
- inactive_area_left, inactive_area_right,
- inactive_area_top, inactive_area_bottom);
- printk(KERN_INFO "synaptics_ts_probe: snap_x %d-%d %d-%d, snap_y %d-%d %d-%d\n",
- snap_left_on, snap_left_off, snap_right_on, snap_right_off,
- snap_top_on, snap_top_off, snap_bottom_on, snap_bottom_off);
- input_set_abs_params(ts->input_dev, ABS_X, -inactive_area_left, max_x + inactive_area_right, fuzz_x, 0);
- input_set_abs_params(ts->input_dev, ABS_Y, -inactive_area_top, max_y + inactive_area_bottom, fuzz_y, 0);
- input_set_abs_params(ts->input_dev, ABS_PRESSURE, 0, 255, fuzz_p, 0);
- input_set_abs_params(ts->input_dev, ABS_TOOL_WIDTH, 0, 15, fuzz_w, 0);
- input_set_abs_params(ts->input_dev, ABS_HAT0X, -inactive_area_left, max_x + inactive_area_right, fuzz_x, 0);
- input_set_abs_params(ts->input_dev, ABS_HAT0Y, -inactive_area_top, max_y + inactive_area_bottom, fuzz_y, 0);
- input_set_abs_params(ts->input_dev, ABS_MT_POSITION_X, -inactive_area_left, max_x + inactive_area_right, fuzz_x, 0);
- input_set_abs_params(ts->input_dev, ABS_MT_POSITION_Y, -inactive_area_top, max_y + inactive_area_bottom, fuzz_y, 0);
- input_set_abs_params(ts->input_dev, ABS_MT_TOUCH_MAJOR, 0, 255, fuzz_p, 0);
- input_set_abs_params(ts->input_dev, ABS_MT_WIDTH_MAJOR, 0, 15, fuzz_w, 0);
- /* ts->input_dev->name = ts->keypad_info->name; */
- ret = input_register_device(ts->input_dev);
- if (ret) {
- printk(KERN_ERR "synaptics_ts_probe: Unable to register %s input device\n", ts->input_dev->name);
- goto err_input_register_device_failed;
- }
- if (client->irq) {
- ret = request_irq(client->irq, synaptics_ts_irq_handler, irqflags, client->name, ts);
- if (ret == 0) {
- ret = i2c_smbus_write_byte_data(ts->client, 0xf1, 0x01); /* enable abs int */
- if (ret)
- free_irq(client->irq, ts);
- }
- if (ret == 0)
- ts->use_irq = 1;
- else
- dev_err(&client->dev, "request_irq failed\n");
- }
- if (!ts->use_irq) {
- hrtimer_init(&ts->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
- ts->timer.function = synaptics_ts_timer_func;
- hrtimer_start(&ts->timer, ktime_set(1, 0), HRTIMER_MODE_REL);
- }
-#ifdef CONFIG_HAS_EARLYSUSPEND
- ts->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 1;
- ts->early_suspend.suspend = synaptics_ts_early_suspend;
- ts->early_suspend.resume = synaptics_ts_late_resume;
- register_early_suspend(&ts->early_suspend);
-#endif
-
- printk(KERN_INFO "synaptics_ts_probe: Start touchscreen %s in %s mode\n", ts->input_dev->name, ts->use_irq ? "interrupt" : "polling");
-
- return 0;
-
-err_input_register_device_failed:
- input_free_device(ts->input_dev);
-
-err_input_dev_alloc_failed:
-err_detect_failed:
-err_power_failed:
- kfree(ts);
-err_alloc_data_failed:
-err_check_functionality_failed:
- return ret;
-}
-
-static int synaptics_ts_remove(struct i2c_client *client)
-{
- struct synaptics_ts_data *ts = i2c_get_clientdata(client);
- unregister_early_suspend(&ts->early_suspend);
- if (ts->use_irq)
- free_irq(client->irq, ts);
- else
- hrtimer_cancel(&ts->timer);
- input_unregister_device(ts->input_dev);
- kfree(ts);
- return 0;
-}
-
-static int synaptics_ts_suspend(struct i2c_client *client, pm_message_t mesg)
-{
- int ret;
- struct synaptics_ts_data *ts = i2c_get_clientdata(client);
-
- if (ts->use_irq)
- disable_irq(client->irq);
- else
- hrtimer_cancel(&ts->timer);
- ret = cancel_work_sync(&ts->work);
- if (ret && ts->use_irq) /* if work was pending disable-count is now 2 */
- enable_irq(client->irq);
- ret = i2c_smbus_write_byte_data(ts->client, 0xf1, 0); /* disable interrupt */
- if (ret < 0)
- printk(KERN_ERR "synaptics_ts_suspend: i2c_smbus_write_byte_data failed\n");
-
- ret = i2c_smbus_write_byte_data(client, 0xf0, 0x86); /* deep sleep */
- if (ret < 0)
- printk(KERN_ERR "synaptics_ts_suspend: i2c_smbus_write_byte_data failed\n");
- if (ts->power) {
- ret = ts->power(0);
- if (ret < 0)
- printk(KERN_ERR "synaptics_ts_resume power off failed\n");
- }
- return 0;
-}
-
-static int synaptics_ts_resume(struct i2c_client *client)
-{
- int ret;
- struct synaptics_ts_data *ts = i2c_get_clientdata(client);
-
- if (ts->power) {
- ret = ts->power(1);
- if (ret < 0)
- printk(KERN_ERR "synaptics_ts_resume power on failed\n");
- }
-
- synaptics_init_panel(ts);
-
- if (ts->use_irq)
- enable_irq(client->irq);
-
- if (!ts->use_irq)
- hrtimer_start(&ts->timer, ktime_set(1, 0), HRTIMER_MODE_REL);
- else
- i2c_smbus_write_byte_data(ts->client, 0xf1, 0x01); /* enable abs int */
-
- return 0;
-}
-
-#ifdef CONFIG_HAS_EARLYSUSPEND
-static void synaptics_ts_early_suspend(struct early_suspend *h)
-{
- struct synaptics_ts_data *ts;
- ts = container_of(h, struct synaptics_ts_data, early_suspend);
- synaptics_ts_suspend(ts->client, PMSG_SUSPEND);
-}
-
-static void synaptics_ts_late_resume(struct early_suspend *h)
-{
- struct synaptics_ts_data *ts;
- ts = container_of(h, struct synaptics_ts_data, early_suspend);
- synaptics_ts_resume(ts->client);
-}
-#endif
-
-static const struct i2c_device_id synaptics_ts_id[] = {
- { SYNAPTICS_I2C_RMI_NAME, 0 },
- { }
-};
-
-static struct i2c_driver synaptics_ts_driver = {
- .probe = synaptics_ts_probe,
- .remove = synaptics_ts_remove,
-#ifndef CONFIG_HAS_EARLYSUSPEND
- .suspend = synaptics_ts_suspend,
- .resume = synaptics_ts_resume,
-#endif
- .id_table = synaptics_ts_id,
- .driver = {
- .name = SYNAPTICS_I2C_RMI_NAME,
- },
-};
-
-static int __devinit synaptics_ts_init(void)
-{
- synaptics_wq = create_singlethread_workqueue("synaptics_wq");
- if (!synaptics_wq)
- return -ENOMEM;
- return i2c_add_driver(&synaptics_ts_driver);
-}
-
-static void __exit synaptics_ts_exit(void)
-{
- i2c_del_driver(&synaptics_ts_driver);
- if (synaptics_wq)
- destroy_workqueue(synaptics_wq);
-}
-
-module_init(synaptics_ts_init);
-module_exit(synaptics_ts_exit);
-
-MODULE_DESCRIPTION("Synaptics Touchscreen Driver");
-MODULE_LICENSE("GPL");
diff --git a/drivers/staging/dream/gpio_axis.c b/drivers/staging/dream/gpio_axis.c
index c801172..30b9f56 100644
--- a/drivers/staging/dream/gpio_axis.c
+++ b/drivers/staging/dream/gpio_axis.c
@@ -19,7 +19,7 @@
#include <linux/interrupt.h>
struct gpio_axis_state {
- struct input_dev *input_dev;
+ struct gpio_event_input_devs *input_devs;
struct gpio_event_axis_info *info;
uint32_t pos;
};
@@ -87,14 +87,16 @@ static void gpio_event_update_axis(struct gpio_axis_state *as, int report)
if (ai->flags & GPIOEAF_PRINT_EVENT)
pr_info("axis %d-%d change %d\n",
ai->type, ai->code, change);
- input_report_rel(as->input_dev, ai->code, change);
+ input_report_rel(as->input_devs->dev[ai->dev],
+ ai->code, change);
} else {
if (ai->flags & GPIOEAF_PRINT_EVENT)
pr_info("axis %d-%d now %d\n",
ai->type, ai->code, pos);
- input_event(as->input_dev, ai->type, ai->code, pos);
+ input_event(as->input_devs->dev[ai->dev],
+ ai->type, ai->code, pos);
}
- input_sync(as->input_dev);
+ input_sync(as->input_devs->dev[ai->dev]);
}
as->pos = pos;
}
@@ -106,7 +108,7 @@ static irqreturn_t gpio_axis_irq_handler(int irq, void *dev_id)
return IRQ_HANDLED;
}
-int gpio_event_axis_func(struct input_dev *input_dev,
+int gpio_event_axis_func(struct gpio_event_input_devs *input_devs,
struct gpio_event_info *info, void **data, int func)
{
int ret;
@@ -133,13 +135,21 @@ int gpio_event_axis_func(struct input_dev *input_dev,
ret = -ENOMEM;
goto err_alloc_axis_state_failed;
}
- as->input_dev = input_dev;
+ as->input_devs = input_devs;
as->info = ai;
+ if (ai->dev >= input_devs->count) {
+ pr_err("gpio_event_axis: bad device index %d >= %d "
+ "for %d:%d\n", ai->dev, input_devs->count,
+ ai->type, ai->code);
+ ret = -EINVAL;
+ goto err_bad_device_index;
+ }
- input_set_capability(input_dev, ai->type, ai->code);
+ input_set_capability(input_devs->dev[ai->dev],
+ ai->type, ai->code);
if (ai->type == EV_ABS) {
- input_set_abs_params(input_dev, ai->code, 0,
- ai->decoded_size - 1, 0, 0);
+ input_set_abs_params(input_devs->dev[ai->dev], ai->code,
+ 0, ai->decoded_size - 1, 0, 0);
}
for (i = 0; i < ai->count; i++) {
ret = gpio_request(ai->gpio[i], "gpio_event_axis");
@@ -173,6 +183,7 @@ err_gpio_direction_input_failed:
err_request_gpio_failed:
;
}
+err_bad_device_index:
kfree(as);
*data = NULL;
err_alloc_axis_state_failed:
diff --git a/drivers/staging/dream/gpio_event.c b/drivers/staging/dream/gpio_event.c
index 8b64c1e..139b360 100644
--- a/drivers/staging/dream/gpio_event.c
+++ b/drivers/staging/dream/gpio_event.c
@@ -21,7 +21,7 @@
#include <linux/platform_device.h>
struct gpio_event {
- struct input_dev *input_dev;
+ struct gpio_event_input_devs *input_devs;
const struct gpio_event_platform_data *info;
struct early_suspend early_suspend;
void *state[0];
@@ -31,15 +31,25 @@ static int gpio_input_event(
struct input_dev *dev, unsigned int type, unsigned int code, int value)
{
int i;
+ int devnr;
int ret = 0;
int tmp_ret;
struct gpio_event_info **ii;
struct gpio_event *ip = input_get_drvdata(dev);
+ for (devnr = 0; devnr < ip->input_devs->count; devnr++)
+ if (ip->input_devs->dev[devnr] == dev)
+ break;
+ if (devnr == ip->input_devs->count) {
+ pr_err("gpio_input_event: unknown device %p\n", dev);
+ return -EIO;
+ }
+
for (i = 0, ii = ip->info->info; i < ip->info->info_count; i++, ii++) {
if ((*ii)->event) {
- tmp_ret = (*ii)->event(ip->input_dev, *ii,
- &ip->state[i], type, code, value);
+ tmp_ret = (*ii)->event(ip->input_devs, *ii,
+ &ip->state[i],
+ devnr, type, code, value);
if (tmp_ret)
ret = tmp_ret;
}
@@ -62,7 +72,9 @@ static int gpio_event_call_all_func(struct gpio_event *ip, int func)
"no function\n");
goto err_no_func;
}
- ret = (*ii)->func(ip->input_dev, *ii, &ip->state[i],
+ if (func == GPIO_EVENT_FUNC_RESUME && (*ii)->no_suspend)
+ continue;
+ ret = (*ii)->func(ip->input_devs, *ii, &ip->state[i],
func);
if (ret) {
pr_err("gpio_event_probe: function failed\n");
@@ -78,7 +90,9 @@ static int gpio_event_call_all_func(struct gpio_event *ip, int func)
while (i > 0) {
i--;
ii--;
- (*ii)->func(ip->input_dev, *ii, &ip->state[i], func & ~1);
+ if ((func & ~1) == GPIO_EVENT_FUNC_SUSPEND && (*ii)->no_suspend)
+ continue;
+ (*ii)->func(ip->input_devs, *ii, &ip->state[i], func & ~1);
err_func_failed:
err_no_func:
;
@@ -108,37 +122,51 @@ static int __init gpio_event_probe(struct platform_device *pdev)
{
int err;
struct gpio_event *ip;
- struct input_dev *input_dev;
struct gpio_event_platform_data *event_info;
+ int dev_count = 1;
+ int i;
+ int registered = 0;
event_info = pdev->dev.platform_data;
if (event_info == NULL) {
pr_err("gpio_event_probe: No pdata\n");
return -ENODEV;
}
- if (event_info->name == NULL ||
- event_info->info == NULL ||
- event_info->info_count == 0) {
+ if ((!event_info->name && !event_info->names[0]) ||
+ !event_info->info || !event_info->info_count) {
pr_err("gpio_event_probe: Incomplete pdata\n");
return -ENODEV;
}
+ if (!event_info->name)
+ while (event_info->names[dev_count])
+ dev_count++;
ip = kzalloc(sizeof(*ip) +
- sizeof(ip->state[0]) * event_info->info_count, GFP_KERNEL);
+ sizeof(ip->state[0]) * event_info->info_count +
+ sizeof(*ip->input_devs) +
+ sizeof(ip->input_devs->dev[0]) * dev_count, GFP_KERNEL);
if (ip == NULL) {
err = -ENOMEM;
pr_err("gpio_event_probe: Failed to allocate private data\n");
goto err_kp_alloc_failed;
}
+ ip->input_devs = (void*)&ip->state[event_info->info_count];
platform_set_drvdata(pdev, ip);
- input_dev = input_allocate_device();
- if (input_dev == NULL) {
- err = -ENOMEM;
- pr_err("gpio_event_probe: Failed to allocate input device\n");
- goto err_input_dev_alloc_failed;
+ for (i = 0; i < dev_count; i++) {
+ struct input_dev *input_dev = input_allocate_device();
+ if (input_dev == NULL) {
+ err = -ENOMEM;
+ pr_err("gpio_event_probe: "
+ "Failed to allocate input device\n");
+ goto err_input_dev_alloc_failed;
+ }
+ input_set_drvdata(input_dev, ip);
+ input_dev->name = event_info->name ?
+ event_info->name : event_info->names[i];
+ input_dev->event = gpio_input_event;
+ ip->input_devs->dev[i] = input_dev;
}
- input_set_drvdata(input_dev, ip);
- ip->input_dev = input_dev;
+ ip->input_devs->count = dev_count;
ip->info = event_info;
if (event_info->power) {
#ifdef CONFIG_HAS_EARLYSUSPEND
@@ -150,18 +178,18 @@ static int __init gpio_event_probe(struct platform_device *pdev)
ip->info->power(ip->info, 1);
}
- input_dev->name = ip->info->name;
- input_dev->event = gpio_input_event;
-
err = gpio_event_call_all_func(ip, GPIO_EVENT_FUNC_INIT);
if (err)
goto err_call_all_func_failed;
- err = input_register_device(input_dev);
- if (err) {
- pr_err("gpio_event_probe: Unable to register %s input device\n",
- input_dev->name);
- goto err_input_register_device_failed;
+ for (i = 0; i < dev_count; i++) {
+ err = input_register_device(ip->input_devs->dev[i]);
+ if (err) {
+ pr_err("gpio_event_probe: Unable to register %s "
+ "input device\n", ip->input_devs->dev[i]->name);
+ goto err_input_register_device_failed;
+ }
+ registered++;
}
return 0;
@@ -175,8 +203,13 @@ err_call_all_func_failed:
#endif
ip->info->power(ip->info, 0);
}
- input_free_device(input_dev);
+ for (i = 0; i < registered; i++)
+ input_unregister_device(ip->input_devs->dev[i]);
+ for (i = dev_count - 1; i >= registered; i--) {
+ input_free_device(ip->input_devs->dev[i]);
err_input_dev_alloc_failed:
+ ;
+ }
kfree(ip);
err_kp_alloc_failed:
return err;
@@ -185,6 +218,7 @@ err_kp_alloc_failed:
static int gpio_event_remove(struct platform_device *pdev)
{
struct gpio_event *ip = platform_get_drvdata(pdev);
+ int i;
gpio_event_call_all_func(ip, GPIO_EVENT_FUNC_UNINIT);
if (ip->info->power) {
@@ -193,7 +227,8 @@ static int gpio_event_remove(struct platform_device *pdev)
#endif
ip->info->power(ip->info, 0);
}
- input_unregister_device(ip->input_dev);
+ for (i = 0; i < ip->input_devs->count; i++)
+ input_unregister_device(ip->input_devs->dev[i]);
kfree(ip);
return 0;
}
diff --git a/drivers/staging/dream/gpio_input.c b/drivers/staging/dream/gpio_input.c
index 7e307f2..7e66f8c 100644
--- a/drivers/staging/dream/gpio_input.c
+++ b/drivers/staging/dream/gpio_input.c
@@ -38,7 +38,7 @@ struct gpio_key_state {
};
struct gpio_input_state {
- struct input_dev *input_dev;
+ struct gpio_event_input_devs *input_devs;
const struct gpio_event_input_info *info;
struct hrtimer timer;
int use_irq;
@@ -126,7 +126,7 @@ static enum hrtimer_restart gpio_event_input_timer_func(struct hrtimer *timer)
pr_info("gpio_keys_scan_keys: key %x-%x, %d (%d) "
"changed to %d\n", ds->info->type,
key_entry->code, i, key_entry->gpio, pressed);
- input_event(ds->input_dev, ds->info->type,
+ input_event(ds->input_devs->dev[key_entry->dev], ds->info->type,
key_entry->code, pressed);
}
@@ -181,7 +181,7 @@ static irqreturn_t gpio_event_input_irq_handler(int irq, void *dev_id)
ds->info->type, key_entry->code,
keymap_index, key_entry->gpio);
} else {
- disable_irq(irq);
+ disable_irq_nosync(irq);
ks->debounce = DEBOUNCE_UNSTABLE;
}
spin_unlock_irqrestore(&ds->irq_lock, irqflags);
@@ -193,7 +193,7 @@ static irqreturn_t gpio_event_input_irq_handler(int irq, void *dev_id)
"(%d) changed to %d\n",
ds->info->type, key_entry->code, keymap_index,
key_entry->gpio, pressed);
- input_event(ds->input_dev, ds->info->type,
+ input_event(ds->input_devs->dev[key_entry->dev], ds->info->type,
key_entry->code, pressed);
}
return IRQ_HANDLED;
@@ -232,7 +232,7 @@ err_gpio_get_irq_num_failed:
return err;
}
-int gpio_event_input_func(struct input_dev *input_dev,
+int gpio_event_input_func(struct gpio_event_input_devs *input_devs,
struct gpio_event_info *info, void **data, int func)
{
int ret;
@@ -244,11 +244,9 @@ int gpio_event_input_func(struct input_dev *input_dev,
di = container_of(info, struct gpio_event_input_info, info);
if (func == GPIO_EVENT_FUNC_SUSPEND) {
- spin_lock_irqsave(&ds->irq_lock, irqflags);
if (ds->use_irq)
for (i = 0; i < di->keymap_size; i++)
disable_irq(gpio_to_irq(di->keymap[i].gpio));
- spin_unlock_irqrestore(&ds->irq_lock, irqflags);
hrtimer_cancel(&ds->timer);
return 0;
}
@@ -275,13 +273,22 @@ int gpio_event_input_func(struct input_dev *input_dev,
goto err_ds_alloc_failed;
}
ds->debounce_count = di->keymap_size;
- ds->input_dev = input_dev;
+ ds->input_devs = input_devs;
ds->info = di;
wake_lock_init(&ds->wake_lock, WAKE_LOCK_SUSPEND, "gpio_input");
spin_lock_init(&ds->irq_lock);
for (i = 0; i < di->keymap_size; i++) {
- input_set_capability(input_dev, di->type,
+ int dev = di->keymap[i].dev;
+ if (dev >= input_devs->count) {
+ pr_err("gpio_event_input_func: bad device "
+ "index %d >= %d for key code %d\n",
+ dev, input_devs->count,
+ di->keymap[i].code);
+ ret = -EINVAL;
+ goto err_bad_keymap;
+ }
+ input_set_capability(input_devs->dev[dev], di->type,
di->keymap[i].code);
ds->key_state[i].ds = ds;
ds->key_state[i].debounce = DEBOUNCE_UNKNOWN;
@@ -308,9 +315,10 @@ int gpio_event_input_func(struct input_dev *input_dev,
spin_lock_irqsave(&ds->irq_lock, irqflags);
ds->use_irq = ret == 0;
- pr_info("GPIO Input Driver: Start gpio inputs for %s in %s "
- "mode\n",
- input_dev->name, ret == 0 ? "interrupt" : "polling");
+ pr_info("GPIO Input Driver: Start gpio inputs for %s%s in %s "
+ "mode\n", input_devs->dev[0]->name,
+ (input_devs->count > 1) ? "..." : "",
+ ret == 0 ? "interrupt" : "polling");
hrtimer_init(&ds->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
ds->timer.function = gpio_event_input_timer_func;
@@ -336,6 +344,7 @@ err_gpio_configure_failed:
err_gpio_request_failed:
;
}
+err_bad_keymap:
wake_lock_destroy(&ds->wake_lock);
kfree(ds);
err_ds_alloc_failed:
diff --git a/drivers/staging/dream/gpio_matrix.c b/drivers/staging/dream/gpio_matrix.c
index c1f4765..90866c4 100644
--- a/drivers/staging/dream/gpio_matrix.c
+++ b/drivers/staging/dream/gpio_matrix.c
@@ -21,7 +21,7 @@
#include <linux/wakelock.h>
struct gpio_kp {
- struct input_dev *input_dev;
+ struct gpio_event_input_devs *input_devs;
struct gpio_event_matrix_info *keypad_info;
struct hrtimer timer;
struct wake_lock wake_lock;
@@ -37,9 +37,11 @@ static void clear_phantom_key(struct gpio_kp *kp, int out, int in)
{
struct gpio_event_matrix_info *mi = kp->keypad_info;
int key_index = out * mi->ninputs + in;
- unsigned short keycode = mi->keymap[key_index];;
+ unsigned short keyentry = mi->keymap[key_index];
+ unsigned short keycode = keyentry & MATRIX_KEY_MASK;
+ unsigned short dev = keyentry >> MATRIX_CODE_BITS;
- if (!test_bit(keycode, kp->input_dev->key)) {
+ if (!test_bit(keycode, kp->input_devs->dev[dev]->key)) {
if (mi->flags & GPIOKPF_PRINT_PHANTOM_KEYS)
pr_info("gpiomatrix: phantom key %x, %d-%d (%d-%d) "
"cleared\n", keycode, out, in,
@@ -104,8 +106,11 @@ static void report_key(struct gpio_kp *kp, int key_index, int out, int in)
{
struct gpio_event_matrix_info *mi = kp->keypad_info;
int pressed = test_bit(key_index, kp->keys_pressed);
- unsigned short keycode = mi->keymap[key_index];
- if (pressed != test_bit(keycode, kp->input_dev->key)) {
+ unsigned short keyentry = mi->keymap[key_index];
+ unsigned short keycode = keyentry & MATRIX_KEY_MASK;
+ unsigned short dev = keyentry >> MATRIX_CODE_BITS;
+
+ if (pressed != test_bit(keycode, kp->input_devs->dev[dev]->key)) {
if (keycode == KEY_RESERVED) {
if (mi->flags & GPIOKPF_PRINT_UNMAPPED_KEYS)
pr_info("gpiomatrix: unmapped key, %d-%d "
@@ -118,7 +123,7 @@ static void report_key(struct gpio_kp *kp, int key_index, int out, int in)
"changed to %d\n", keycode,
out, in, mi->output_gpios[out],
mi->input_gpios[in], pressed);
- input_report_key(kp->input_dev, keycode, pressed);
+ input_report_key(kp->input_devs->dev[dev], keycode, pressed);
}
}
}
@@ -214,7 +219,7 @@ static irqreturn_t gpio_keypad_irq_handler(int irq_in, void *dev_id)
return IRQ_HANDLED;
for (i = 0; i < mi->ninputs; i++)
- disable_irq(gpio_to_irq(mi->input_gpios[i]));
+ disable_irq_nosync(gpio_to_irq(mi->input_gpios[i]));
for (i = 0; i < mi->noutputs; i++) {
if (gpio_keypad_flags & GPIOKPF_DRIVE_INACTIVE)
gpio_set_value(mi->output_gpios[i],
@@ -279,7 +284,7 @@ err_gpio_get_irq_num_failed:
return err;
}
-int gpio_event_matrix_func(struct input_dev *input_dev,
+int gpio_event_matrix_func(struct gpio_event_input_devs *input_devs,
struct gpio_event_info *info, void **data, int func)
{
int i;
@@ -311,13 +316,22 @@ int gpio_event_matrix_func(struct input_dev *input_dev,
pr_err("gpiomatrix: Failed to allocate private data\n");
goto err_kp_alloc_failed;
}
- kp->input_dev = input_dev;
+ kp->input_devs = input_devs;
kp->keypad_info = mi;
- set_bit(EV_KEY, input_dev->evbit);
for (i = 0; i < key_count; i++) {
- if (mi->keymap[i])
- set_bit(mi->keymap[i] & KEY_MAX,
- input_dev->keybit);
+ unsigned short keyentry = mi->keymap[i];
+ unsigned short keycode = keyentry & MATRIX_KEY_MASK;
+ unsigned short dev = keyentry >> MATRIX_CODE_BITS;
+ if (dev >= input_devs->count) {
+ pr_err("gpiomatrix: bad device index %d >= "
+ "%d for key code %d\n",
+ dev, input_devs->count, keycode);
+ err = -EINVAL;
+ goto err_bad_keymap;
+ }
+ if (keycode && keycode <= KEY_MAX)
+ input_set_capability(input_devs->dev[dev],
+ EV_KEY, keycode);
}
for (i = 0; i < mi->noutputs; i++) {
@@ -367,8 +381,9 @@ int gpio_event_matrix_func(struct input_dev *input_dev,
err = gpio_keypad_request_irqs(kp);
kp->use_irq = err == 0;
- pr_info("GPIO Matrix Keypad Driver: Start keypad matrix for %s "
- "in %s mode\n", input_dev->name,
+ pr_info("GPIO Matrix Keypad Driver: Start keypad matrix for "
+ "%s%s in %s mode\n", input_devs->dev[0]->name,
+ (input_devs->count > 1) ? "..." : "",
kp->use_irq ? "interrupt" : "polling");
if (kp->use_irq)
@@ -399,6 +414,7 @@ err_output_gpio_configure_failed:
err_request_output_gpio_failed:
;
}
+err_bad_keymap:
kfree(kp);
err_kp_alloc_failed:
err_invalid_platform_data:
diff --git a/drivers/staging/dream/gpio_output.c b/drivers/staging/dream/gpio_output.c
index 6f8453c..2aac2fa 100644
--- a/drivers/staging/dream/gpio_output.c
+++ b/drivers/staging/dream/gpio_output.c
@@ -18,8 +18,9 @@
#include <linux/gpio_event.h>
int gpio_event_output_event(
- struct input_dev *input_dev, struct gpio_event_info *info, void **data,
- unsigned int type, unsigned int code, int value)
+ struct gpio_event_input_devs *input_devs, struct gpio_event_info *info,
+ void **data, unsigned int dev, unsigned int type,
+ unsigned int code, int value)
{
int i;
struct gpio_event_output_info *oi;
@@ -29,14 +30,14 @@ int gpio_event_output_event(
if (!(oi->flags & GPIOEDF_ACTIVE_HIGH))
value = !value;
for (i = 0; i < oi->keymap_size; i++)
- if (code == oi->keymap[i].code)
+ if (dev == oi->keymap[i].dev && code == oi->keymap[i].code)
gpio_set_value(oi->keymap[i].gpio, value);
return 0;
}
int gpio_event_output_func(
- struct input_dev *input_dev, struct gpio_event_info *info, void **data,
- int func)
+ struct gpio_event_input_devs *input_devs, struct gpio_event_info *info,
+ void **data, int func)
{
int ret;
int i;
@@ -48,9 +49,20 @@ int gpio_event_output_func(
if (func == GPIO_EVENT_FUNC_INIT) {
int output_level = !(oi->flags & GPIOEDF_ACTIVE_HIGH);
- for (i = 0; i < oi->keymap_size; i++)
- input_set_capability(input_dev, oi->type,
+
+ for (i = 0; i < oi->keymap_size; i++) {
+ int dev = oi->keymap[i].dev;
+ if (dev >= input_devs->count) {
+ pr_err("gpio_event_output_func: bad device "
+ "index %d >= %d for key code %d\n",
+ dev, input_devs->count,
+ oi->keymap[i].code);
+ ret = -EINVAL;
+ goto err_bad_keymap;
+ }
+ input_set_capability(input_devs->dev[dev], oi->type,
oi->keymap[i].code);
+ }
for (i = 0; i < oi->keymap_size; i++) {
ret = gpio_request(oi->keymap[i].gpio,
@@ -79,6 +91,7 @@ err_gpio_direction_output_failed:
err_gpio_request_failed:
;
}
+err_bad_keymap:
return ret;
}
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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