MT6755 平台手机皮套驱动实现
是自己寫注冊一個input device，模仿keypad，在對應(yīng)的中斷處理函數(shù)中上報power key的鍵值。 具體實(shí)現(xiàn)代碼如下：
在
alps/kernel-3.10/drivers/misc/mediatek/keypad/kpd.c文件，添加：#include <linux/slab.h>
#define KPD_HAS_HALL_FUN
#ifdef KPD_HAS_HALL_FUN //#define HALL_KEY 0 #include <linux/irqchip/mt-eic.h>
#define HALL_EINT_NUM???? 11
#define HALL_EINT_PIN???? (GPIO11|0x80000000)
static void kpd_flip_handler(unsigned long data);
static DECLARE_TASKLET(kpd_flip_tasklet, kpd_flip_handler, 0);
static bool kpd_flip_state = true;
#define HALL_CLASS_NAME? "hall_class"
#define HALL_DEVICE_NAME? "hall_device"
static struct class *hall_class;
static struct device *hall_device;
static unsigned int hall_irq_num;
/* static ssize_t hall_state_store(struct device *dev, ?struct device_attribute *attr, const char *buf, size_t count) { ?return 0; } */
static ssize_t hall_state_show(struct device *dev, ?struct device_attribute *attr, char *buf)
{ ????? int hall_state=0; ???
?? hall_state? = kpd_flip_state+2; ??
??? return sprintf(buf, "%d\n", hall_state); }
static DEVICE_ATTR(hall_state, S_IRUGO | S_IWUSR, hall_state_show, NULL);
static struct device_attribute *hall_dev_attributes[] = { ?&dev_attr_hall_state, };
#endif
?
#ifdef KPD_HAS_HALL_FUN
static irqreturn_t kpd_flip_eint_handler(int irq, void *dev_id) { ?? tasklet_schedule(&kpd_flip_tasklet); }
static void kpd_flip_handler(unsigned long data) { ??? bool old_state = kpd_flip_state;? ??? int Mhall_key_level; ??? int ret = 0;
??? kpd_flip_state = !kpd_flip_state;
?Mhall_key_level = mt_get_gpio_in(HALL_EINT_PIN); ?
??? pr_warn("\n chenhaibing kpd_flip_handler report?? "); ? #if 1 ??? if (kpd_flip_state) ??? { ????? input_report_switch(kpd_input_dev, SW_LID, 0); ????? pr_warn("\n glove is close! report kpd_flip_state=%d, flip state= %d\n", kpd_flip_state,old_state); ??? } ??? else ??? { ????? input_report_switch(kpd_input_dev, SW_LID, 1); ????? pr_warn("\n glove is open!report kpd_flip_state=%d, flip state= %d\n", kpd_flip_state,old_state); ??? } #endif
??? input_sync(kpd_input_dev); ??? pr_warn("chenhaibing hall_key_level = %d", Mhall_key_level); ??? pr_warn("chenhaibing hall flip key handler:%d,%d\n",old_state,kpd_flip_state); #ifdef BIRD_HALL_CHANGE_TP_PARAM //gtp_change_param(Mhall_key_level); #endif
??? if (old_state){ ??? ?//mt_eint_registration(HALL_EINT_NUM, CUST_EINTF_TRIGGER_HIGH, kpd_flip_eint_handler, false); ??? ?ret = request_irq(hall_irq_num, (irq_handler_t)kpd_flip_eint_handler, CUST_EINTF_TRIGGER_HIGH, "hall-eint", NULL); ??? ?if (ret > 0) ??? ??pr_err("HALL-EINT IRQ LINE NOT AVAILABLE!!\n"); ??? }else{ ??? ?//mt_eint_registration(HALL_EINT_NUM, CUST_EINTF_TRIGGER_LOW, kpd_flip_eint_handler, false); ??????? ret = request_irq(hall_irq_num, (irq_handler_t)kpd_flip_eint_handler, CUST_EINTF_TRIGGER_LOW, "hall-eint", NULL); ??????? if (ret > 0) ??? ??pr_err("HALL-EINT IRQ LINE NOT AVAILABLE!!\n"); ??? } ??? ?mt_eint_unmask(HALL_EINT_NUM); ??? }
#endif
?
static int kpd_pdrv_probe(struct platform_device *pdev)
{
? #ifdef KPD_HAS_HALL_FUN
?__set_bit(EV_SW , kpd_input_dev->evbit);
?__set_bit(SW_LID , kpd_input_dev->swbit);
#endif
?
?
?
#ifdef KPD_HAS_HALL_FUN ?mt_set_gpio_mode(HALL_EINT_PIN, GPIO_MODE_00); ?mt_set_gpio_dir(HALL_EINT_PIN, GPIO_DIR_IN); ?mt_set_gpio_pull_enable(HALL_EINT_PIN, GPIO_PULL_ENABLE); ?mt_set_gpio_pull_select(HALL_EINT_PIN, GPIO_PULL_UP); ?mt_eint_set_hw_debounce(HALL_EINT_NUM, 0); ??? //mt_eint_registration(HALL_EINT_NUM, CUST_EINTF_TRIGGER_LOW, kpd_flip_eint_handler, false); ??? hall_irq_num = mt_gpio_to_irq(HALL_EINT_NUM); ??? ret = request_irq(hall_irq_num, (irq_handler_t)kpd_flip_eint_handler, CUST_EINTF_TRIGGER_LOW, "hall-eint", NULL); ??? pr_warn("liuyang:request_irq ret = %d,hall_irq = %d\n!", ret, hall_irq_num); ??? if (ret > 0) ???? pr_err("HALL-EINT IRQ LINE NOT AVAILABLE!!\n"); ?mt_eint_unmask(HALL_EINT_NUM); ?pr_warn("hall_sensor probe success!"); #endif #ifdef KPD_HAS_HALL_FUN ?int j; ?int result; ??? ??? //create a class to avoid event drop by uevent_ops->filter function (dev_uevent_filter()) ??? hall_class = class_create(THIS_MODULE, HALL_CLASS_NAME); ??? if (IS_ERR(hall_class)) { ??????? printk("cannot create hall class\n");??????? //??goto exit_class_create_failed; ??? }
??? #if 0 ?hall_device = device_create(hall_class, NULL, ????MKDEV(MISC_MAJOR, MISC_DYNAMIC_MINOR), NULL, ????HALL_DEVICE_NAME); ?if (IS_ERR(hall_device)) { ??????? printk("cannot create hall? device\n");??????? //??goto exit_inv_device_create_failed; ?} ??? #endif
?hall_device = kzalloc(sizeof(struct device), GFP_KERNEL); ?if (!hall_device) { ??????? printk("HZF cannot allocate hall device\n");??????? ??goto exit_device_register_failed; ??? } ?? ??? hall_device->init_name = HALL_DEVICE_NAME; ??? hall_device->class = hall_class; ??? hall_device->release = (void (*)(struct device *))kfree; ??? result = device_register(hall_device); ?if (result) { ???????? printk("HZF cannot register hall device\n");??????? ? ?? goto exit_device_register_failed; ?} ??? ?????? result = 0; ?for (j = 0; j < ARRAY_SIZE(hall_dev_attributes); j++) { ??result = device_create_file(hall_device,hall_dev_attributes[j]); ??if (result) ????????????? break; ?} ?if (result) { ??????? while (--j >= 0) ??????????? device_remove_file(hall_device, hall_dev_attributes[j]); ???????? printk("cannot create hall attr.\n");??????? ???????? goto exit_create_file_failed; ?}??? ?return 0; ??? exit_create_file_failed: ??? device_unregister(hall_device); ??? exit_device_register_failed: ??? class_destroy(hall_class);?
#endif ?return err;
?
}
?
完整alps/kernel-3.10/drivers/misc/mediatek/keypad/kpd.c如下：
?
#include <linux/kpd.h> #ifdef CONFIG_HAS_WAKELOCK #include <linux/wakelock.h> #else #include <linux/pm_wakeup.h> #endif #ifdef CONFIG_OF #include <linux/of.h> #include <linux/of_address.h> #include <linux/of_irq.h> #endif
#define KPD_NAME?"mtk-kpd" #define MTK_KP_WAKESOURCE?/* this is for auto set wake up source */
//huangzifan #include <linux/slab.h>
#define KPD_HAS_HALL_FUN
#ifdef KPD_HAS_HALL_FUN //#define HALL_KEY 0 #include <linux/irqchip/mt-eic.h>
#define HALL_EINT_NUM???? 11 #define HALL_EINT_PIN???? (GPIO11|0x80000000) static void kpd_flip_handler(unsigned long data); static DECLARE_TASKLET(kpd_flip_tasklet, kpd_flip_handler, 0); static bool kpd_flip_state = true;
#define HALL_CLASS_NAME? "hall_class" #define HALL_DEVICE_NAME? "hall_device"
static struct class *hall_class; static struct device *hall_device; static unsigned int hall_irq_num; /* static ssize_t hall_state_store(struct device *dev, ?struct device_attribute *attr, const char *buf, size_t count) { ?return 0; } */ static ssize_t hall_state_show(struct device *dev, ?struct device_attribute *attr, char *buf) { ????? int hall_state=0; ????? hall_state? = kpd_flip_state+2; ????? return sprintf(buf, "%d\n", hall_state); }
static DEVICE_ATTR(hall_state, S_IRUGO | S_IWUSR, hall_state_show, NULL);
static struct device_attribute *hall_dev_attributes[] = { ?&dev_attr_hall_state, }; #endif #ifdef CONFIG_OF void __iomem *kp_base; static unsigned int kp_irqnr; #endif struct input_dev *kpd_input_dev; static bool kpd_suspend; static int kpd_show_hw_keycode = 1; static int kpd_show_register = 1; static volatile int call_status; #ifdef CONFIG_HAS_WAKELOCK struct wake_lock kpd_suspend_lock;?/* For suspend usage */ #else struct wakeup_source kpd_suspend_lock; #endif
/*for kpd_memory_setting() function*/ static u16 kpd_keymap[KPD_NUM_KEYS]; static u16 kpd_keymap_state[KPD_NUM_MEMS]; /***********************************/
/* for slide QWERTY */ #if KPD_HAS_SLIDE_QWERTY static void kpd_slide_handler(unsigned long data); static DECLARE_TASKLET(kpd_slide_tasklet, kpd_slide_handler, 0); static u8 kpd_slide_state = !KPD_SLIDE_POLARITY; #endif #if !defined(CONFIG_MTK_LEGACY) struct keypad_dts_data kpd_dts_data; #endif /* for Power key using EINT */ #if KPD_PWRKEY_USE_EINT static void kpd_pwrkey_handler(unsigned long data); static DECLARE_TASKLET(kpd_pwrkey_tasklet, kpd_pwrkey_handler, 0); #endif
/* for keymap handling */ static void kpd_keymap_handler(unsigned long data); static DECLARE_TASKLET(kpd_keymap_tasklet, kpd_keymap_handler, 0);
/*********************************************************************/ static void kpd_memory_setting(void);
/*********************************************************************/ static int kpd_pdrv_probe(struct platform_device *pdev); static int kpd_pdrv_remove(struct platform_device *pdev); static int kpd_pdrv_suspend(struct platform_device *pdev, pm_message_t state); static int kpd_pdrv_resume(struct platform_device *pdev);
#ifdef CONFIG_OF static const struct of_device_id kpd_of_match[] = { ?{.compatible = "mediatek,KP",}, ?{.compatible = "mediatek,mt6755-keypad",}, ?{}, }; #endif
static struct platform_driver kpd_pdrv = { ?.probe = kpd_pdrv_probe, ?.remove = kpd_pdrv_remove, ?.suspend = kpd_pdrv_suspend, ?.resume = kpd_pdrv_resume, ?.driver = { ???? .name = KPD_NAME, ???? .owner = THIS_MODULE, #ifdef CONFIG_OF ???? .of_match_table = kpd_of_match, #endif ???? }, };
/********************************************************************/ static void kpd_memory_setting(void) { ?kpd_init_keymap(kpd_keymap); ?kpd_init_keymap_state(kpd_keymap_state); ?return; }
/*****************for kpd auto set wake up source*************************/
static ssize_t kpd_store_call_state(struct device_driver *ddri, const char *buf, size_t count) { ?if (sscanf(buf, "%u", &call_status) != 1) { ??kpd_print("kpd call state: Invalid values\n"); ??return -EINVAL; ?}
?switch (call_status) { ?case 1: ??kpd_print("kpd call state: Idle state!\n"); ??break; ?case 2: ??kpd_print("kpd call state: ringing state!\n"); ??break; ?case 3: ??kpd_print("kpd call state: active or hold state!\n"); ??break;
?default: ??kpd_print("kpd call state: Invalid values\n"); ??break; ?} ?return count; }
static ssize_t kpd_show_call_state(struct device_driver *ddri, char *buf) { ?ssize_t res; ?res = snprintf(buf, PAGE_SIZE, "%d\n", call_status); ?return res; }
static DRIVER_ATTR(kpd_call_state, S_IWUSR | S_IRUGO, kpd_show_call_state, kpd_store_call_state);
static struct driver_attribute *kpd_attr_list[] = { ?&driver_attr_kpd_call_state, };
/*----------------------------------------------------------------------------*/ static int kpd_create_attr(struct device_driver *driver) { ?int idx, err = 0; ?int num = (int)(sizeof(kpd_attr_list) / sizeof(kpd_attr_list[0])); ?if (driver == NULL) ??return -EINVAL;
?for (idx = 0; idx < num; idx++) { ??err = driver_create_file(driver, kpd_attr_list[idx]); ??if (err) { ???kpd_info("driver_create_file (%s) = %d\n", kpd_attr_list[idx]->attr.name, err); ???break; ??} ?} ?return err; }
/*----------------------------------------------------------------------------*/ static int kpd_delete_attr(struct device_driver *driver) { ?int idx, err = 0; ?int num = (int)(sizeof(kpd_attr_list) / sizeof(kpd_attr_list[0]));
?if (!driver) ??return -EINVAL;
?for (idx = 0; idx < num; idx++) ??driver_remove_file(driver, kpd_attr_list[idx]);
?return err; }
/*----------------------------------------------------------------------------*/ /********************************************************************************************/ /************************************************************************************************************************************************/ /* for autotest */ #if KPD_AUTOTEST static const u16 kpd_auto_keymap[] = { ?KEY_MENU, ?KEY_HOME, KEY_BACK, ?KEY_CALL, KEY_ENDCALL, ?KEY_VOLUMEUP, KEY_VOLUMEDOWN, ?KEY_FOCUS, KEY_CAMERA, }; #endif /* for AEE manual dump */ #define AEE_VOLUMEUP_BIT?0 #define AEE_VOLUMEDOWN_BIT?1 #define AEE_DELAY_TIME??15 /* enable volup + voldown was pressed 5~15 s Trigger aee manual dump */ #define AEE_ENABLE_5_15??1 static struct hrtimer aee_timer; static unsigned long aee_pressed_keys; static bool aee_timer_started;
#if AEE_ENABLE_5_15 #define AEE_DELAY_TIME_5S?5 static struct hrtimer aee_timer_5s; static bool aee_timer_5s_started; static bool flags_5s; #endif
static inline void kpd_update_aee_state(void) { ?if (aee_pressed_keys == ((1 << AEE_VOLUMEUP_BIT) | (1 << AEE_VOLUMEDOWN_BIT))) { ??/* if volumeup and volumedown was pressed the same time then start the time of ten seconds */ ??aee_timer_started = true;
#if AEE_ENABLE_5_15 ??aee_timer_5s_started = true; ??hrtimer_start(&aee_timer_5s, ktime_set(AEE_DELAY_TIME_5S, 0), HRTIMER_MODE_REL); #endif ??hrtimer_start(&aee_timer, ktime_set(AEE_DELAY_TIME, 0), HRTIMER_MODE_REL); ??kpd_print("aee_timer started\n"); ?} else { ??if (aee_timer_started) { /* ? * hrtimer_cancel - cancel a timer and wait for the handler to finish. ? * Returns: ? *?0 when the timer was not active. ? *?1 when the timer was active. ?*/ ???if (hrtimer_cancel(&aee_timer)) { ????kpd_print("try to cancel hrtimer\n"); #if AEE_ENABLE_5_15 ????if (flags_5s) { ?????kpd_print("Pressed Volup + Voldown5s~15s then trigger aee manual dump.\n"); ?????aee_kernel_reminding("manual dump", "Trigger Vol Up +Vol Down 5s"); ????} #endif
???} #if AEE_ENABLE_5_15 ???flags_5s = false; #endif ???aee_timer_started = false; ???kpd_print("aee_timer canceled\n"); ??} #if AEE_ENABLE_5_15 ??if (aee_timer_5s_started) { /* ? * hrtimer_cancel - cancel a timer and wait for the handler to finish. ? * Returns: ? *?0 when the timer was not active. ? *?1 when the timer was active. ?*/ ???if (hrtimer_cancel(&aee_timer_5s)) ????kpd_print("try to cancel hrtimer (5s)\n"); ???aee_timer_5s_started = false; ???kpd_print("aee_timer canceled (5s)\n"); ??} #endif ?} }
static void kpd_aee_handler(u32 keycode, u16 pressed) { ?if (pressed) { ??if (keycode == KEY_VOLUMEUP) ???__set_bit(AEE_VOLUMEUP_BIT, &aee_pressed_keys); ??else if (keycode == KEY_VOLUMEDOWN) ???__set_bit(AEE_VOLUMEDOWN_BIT, &aee_pressed_keys); ??else ???return; ??kpd_update_aee_state(); ?} else { ??if (keycode == KEY_VOLUMEUP) ???__clear_bit(AEE_VOLUMEUP_BIT, &aee_pressed_keys); ??else if (keycode == KEY_VOLUMEDOWN) ???__clear_bit(AEE_VOLUMEDOWN_BIT, &aee_pressed_keys); ??else ???return; ??kpd_update_aee_state(); ?} }
static enum hrtimer_restart aee_timer_func(struct hrtimer *timer) { ?/* kpd_info("kpd: vol up+vol down AEE manual dump!\n"); */ ?/* aee_kernel_reminding("manual dump ", "Triggered by press KEY_VOLUMEUP+KEY_VOLUMEDOWN"); */ ?aee_trigger_kdb(); ?return HRTIMER_NORESTART; }
#if AEE_ENABLE_5_15 static enum hrtimer_restart aee_timer_5s_func(struct hrtimer *timer) {
?/* kpd_info("kpd: vol up+vol down AEE manual dump timer 5s !\n"); */ ?flags_5s = true; ?return HRTIMER_NORESTART; } #endif
/************************************************************************/
#if KPD_HAS_SLIDE_QWERTY static void kpd_slide_handler(unsigned long data) { ?bool slid; ?u8 old_state = kpd_slide_state;
?kpd_slide_state = !kpd_slide_state; ?slid = (kpd_slide_state == !!KPD_SLIDE_POLARITY); ?/* for SW_LID, 1: lid open => slid, 0: lid shut => closed */ ?input_report_switch(kpd_input_dev, SW_LID, slid); ?input_sync(kpd_input_dev); ?kpd_print("report QWERTY = %s\n", slid ? "slid" : "closed");
?if (old_state) ??mt_set_gpio_pull_select(GPIO_QWERTYSLIDE_EINT_PIN, 0); ?else ??mt_set_gpio_pull_select(GPIO_QWERTYSLIDE_EINT_PIN, 1); ?/* for detecting the return to old_state */ ?mt65xx_eint_set_polarity(KPD_SLIDE_EINT, old_state); ?mt65xx_eint_unmask(KPD_SLIDE_EINT); }
static void kpd_slide_eint_handler(void) { ?tasklet_schedule(&kpd_slide_tasklet); } #endif
#if KPD_PWRKEY_USE_EINT static void kpd_pwrkey_handler(unsigned long data) { ?kpd_pwrkey_handler_hal(data); }
static void kpd_pwrkey_eint_handler(void) { ?tasklet_schedule(&kpd_pwrkey_tasklet); } #endif /*********************************************************************/
/*********************************************************************/ #if KPD_PWRKEY_USE_PMIC void kpd_pwrkey_pmic_handler(unsigned long pressed) { ?kpd_print("Power Key generate, pressed=%ld\n", pressed); ?if (!kpd_input_dev) { ??kpd_print("KPD input device not ready\n"); ??return; ?} ?kpd_pmic_pwrkey_hal(pressed); } #endif
void kpd_pmic_rstkey_handler(unsigned long pressed) { ?kpd_print("PMIC reset Key generate, pressed=%ld\n", pressed); ?if (!kpd_input_dev) { ??kpd_print("KPD input device not ready\n"); ??return; ?} ?kpd_pmic_rstkey_hal(pressed); #ifdef KPD_PMIC_RSTKEY_MAP ?kpd_aee_handler(KPD_PMIC_RSTKEY_MAP, pressed); #endif }
/*********************************************************************/
/*********************************************************************/ static void kpd_keymap_handler(unsigned long data) { ?int i, j; ?bool pressed; ?u16 new_state[KPD_NUM_MEMS], change, mask; ?u16 hw_keycode,? linux_keycode; ?kpd_get_keymap_state(new_state); #ifdef CONFIG_HAS_WAKELOCK ?wake_lock_timeout(&kpd_suspend_lock, HZ / 2); #else ?__pm_wakeup_event(&kpd_suspend_lock, 500); #endif
?for (i = 0; i < KPD_NUM_MEMS; i++) { ??change = new_state[i] ^ kpd_keymap_state[i]; ??if (!change) ???continue;
??for (j = 0; j < 16; j++) { ???mask = 1U << j; ???if (!(change & mask)) ????continue;
???hw_keycode = (i << 4) + j; ???/* bit is 1: not pressed, 0: pressed */ ???pressed = !(new_state[i] & mask); ???if (kpd_show_hw_keycode) ????kpd_print("(%s) HW keycode = %u\n", pressed ? "pressed" : "released", hw_keycode); ???BUG_ON(hw_keycode >= KPD_NUM_KEYS); ???linux_keycode = kpd_keymap[hw_keycode]; ???if (unlikely(linux_keycode == 0)) { ????kpd_print("Linux keycode = 0\n"); ????continue; ???} ???kpd_aee_handler(linux_keycode, pressed);
???kpd_backlight_handler(pressed, linux_keycode); ???input_report_key(kpd_input_dev, linux_keycode, pressed); ???input_sync(kpd_input_dev); ???kpd_print("report Linux keycode = %u\n", linux_keycode); ??} ?}
?memcpy(kpd_keymap_state, new_state, sizeof(new_state)); ?kpd_print("save new keymap state\n"); #ifdef CONFIG_OF ?enable_irq(kp_irqnr); #else ?enable_irq(MT_KP_IRQ_ID); #endif }
static irqreturn_t kpd_irq_handler(int irq, void *dev_id) { ?/* use _nosync to avoid deadlock */ #ifdef CONFIG_OF ?disable_irq_nosync(kp_irqnr); #else ?disable_irq_nosync(MT_KP_IRQ_ID); #endif ?tasklet_schedule(&kpd_keymap_tasklet); ?return IRQ_HANDLED; }
/*********************************************************************/
/*****************************************************************************************/ long kpd_dev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { ?/* void __user *uarg = (void __user *)arg; */
?switch (cmd) { #if KPD_AUTOTEST ?case PRESS_OK_KEY:?/* KPD_AUTOTEST disable auto test setting to resolve CR ALPS00464496 */ ??if (test_bit(KEY_OK, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] PRESS OK KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_OK, 1); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support OK KEY!!\n"); ??} ??break; ?case RELEASE_OK_KEY: ??if (test_bit(KEY_OK, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] RELEASE OK KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_OK, 0); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support OK KEY!!\n"); ??} ??break; ?case PRESS_MENU_KEY: ??if (test_bit(KEY_MENU, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] PRESS MENU KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_MENU, 1); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support MENU KEY!!\n"); ??} ??break; ?case RELEASE_MENU_KEY: ??if (test_bit(KEY_MENU, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] RELEASE MENU KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_MENU, 0); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support MENU KEY!!\n"); ??}
??break; ?case PRESS_UP_KEY: ??if (test_bit(KEY_UP, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] PRESS UP KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_UP, 1); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support UP KEY!!\n"); ??} ??break; ?case RELEASE_UP_KEY: ??if (test_bit(KEY_UP, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] RELEASE UP KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_UP, 0); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support UP KEY!!\n"); ??} ??break; ?case PRESS_DOWN_KEY: ??if (test_bit(KEY_DOWN, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] PRESS DOWN KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_DOWN, 1); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support DOWN KEY!!\n"); ??} ??break; ?case RELEASE_DOWN_KEY: ??if (test_bit(KEY_DOWN, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] RELEASE DOWN KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_DOWN, 0); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support DOWN KEY!!\n"); ??} ??break; ?case PRESS_LEFT_KEY: ??if (test_bit(KEY_LEFT, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] PRESS LEFT KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_LEFT, 1); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support LEFT KEY!!\n"); ??} ??break; ?case RELEASE_LEFT_KEY: ??if (test_bit(KEY_LEFT, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] RELEASE LEFT KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_LEFT, 0); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support LEFT KEY!!\n"); ??} ??break;
?case PRESS_RIGHT_KEY: ??if (test_bit(KEY_RIGHT, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] PRESS RIGHT KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_RIGHT, 1); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support RIGHT KEY!!\n"); ??} ??break; ?case RELEASE_RIGHT_KEY: ??if (test_bit(KEY_RIGHT, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] RELEASE RIGHT KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_RIGHT, 0); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support RIGHT KEY!!\n"); ??} ??break; ?case PRESS_HOME_KEY: ??if (test_bit(KEY_HOME, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] PRESS HOME KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_HOME, 1); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support HOME KEY!!\n"); ??} ??break; ?case RELEASE_HOME_KEY: ??if (test_bit(KEY_HOME, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] RELEASE HOME KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_HOME, 0); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support HOME KEY!!\n"); ??} ??break; ?case PRESS_BACK_KEY: ??if (test_bit(KEY_BACK, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] PRESS BACK KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_BACK, 1); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support BACK KEY!!\n"); ??} ??break; ?case RELEASE_BACK_KEY: ??if (test_bit(KEY_BACK, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] RELEASE BACK KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_BACK, 0); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support BACK KEY!!\n"); ??} ??break; ?case PRESS_CALL_KEY: ??if (test_bit(KEY_CALL, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] PRESS CALL KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_CALL, 1); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support CALL KEY!!\n"); ??} ??break; ?case RELEASE_CALL_KEY: ??if (test_bit(KEY_CALL, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] RELEASE CALL KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_CALL, 0); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support CALL KEY!!\n"); ??} ??break;
?case PRESS_ENDCALL_KEY: ??if (test_bit(KEY_ENDCALL, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] PRESS ENDCALL KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_ENDCALL, 1); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support ENDCALL KEY!!\n"); ??} ??break; ?case RELEASE_ENDCALL_KEY: ??if (test_bit(KEY_ENDCALL, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] RELEASE ENDCALL KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_ENDCALL, 0); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support ENDCALL KEY!!\n"); ??} ??break; ?case PRESS_VLUP_KEY: ??if (test_bit(KEY_VOLUMEUP, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] PRESS VOLUMEUP KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_VOLUMEUP, 1); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support VOLUMEUP KEY!!\n"); ??} ??break; ?case RELEASE_VLUP_KEY: ??if (test_bit(KEY_VOLUMEUP, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] RELEASE VOLUMEUP KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_VOLUMEUP, 0); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support VOLUMEUP KEY!!\n"); ??} ??break; ?case PRESS_VLDOWN_KEY: ??if (test_bit(KEY_VOLUMEDOWN, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] PRESS VOLUMEDOWN KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_VOLUMEDOWN, 1); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support VOLUMEDOWN KEY!!\n"); ??} ??break; ?case RELEASE_VLDOWN_KEY: ??if (test_bit(KEY_VOLUMEDOWN, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] RELEASE VOLUMEDOWN KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_VOLUMEDOWN, 0); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support VOLUMEDOWN KEY!!\n"); ??} ??break; ?case PRESS_FOCUS_KEY: ??if (test_bit(KEY_FOCUS, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] PRESS FOCUS KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_FOCUS, 1); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support FOCUS KEY!!\n"); ??} ??break; ?case RELEASE_FOCUS_KEY: ??if (test_bit(KEY_FOCUS, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] RELEASE FOCUS KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_FOCUS, 0); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support RELEASE KEY!!\n"); ??} ??break; ?case PRESS_CAMERA_KEY: ??if (test_bit(KEY_CAMERA, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] PRESS CAMERA KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_CAMERA, 1); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support CAMERA KEY!!\n"); ??} ??break; ?case RELEASE_CAMERA_KEY: ??if (test_bit(KEY_CAMERA, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] RELEASE CAMERA KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_CAMERA, 0); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support CAMERA KEY!!\n"); ??} ??break; ?case PRESS_POWER_KEY: ??if (test_bit(KEY_POWER, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] PRESS POWER KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_POWER, 1); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support POWER KEY!!\n"); ??} ??break; ?case RELEASE_POWER_KEY: ??if (test_bit(KEY_POWER, kpd_input_dev->keybit)) { ???kpd_print("[AUTOTEST] RELEASE POWER KEY!!\n"); ???input_report_key(kpd_input_dev, KEY_POWER, 0); ???input_sync(kpd_input_dev); ??} else { ???kpd_print("[AUTOTEST] Not Support POWER KEY!!\n"); ??} ??break; #endif
?case SET_KPD_KCOL: ??kpd_auto_test_for_factorymode();?/* API 3 for kpd factory mode auto-test */ ??kpd_print("[kpd_auto_test_for_factorymode] test performed!!\n"); ??break; ?default: ??return -EINVAL; ?}
?return 0; }
int kpd_dev_open(struct inode *inode, struct file *file) { ?return 0; }
static const struct file_operations kpd_dev_fops = { ?.owner = THIS_MODULE, ?.unlocked_ioctl = kpd_dev_ioctl, ?.open = kpd_dev_open, };
/*********************************************************************/ static struct miscdevice kpd_dev = { ?.minor = MISC_DYNAMIC_MINOR, ?.name = KPD_NAME, ?.fops = &kpd_dev_fops, };
static int kpd_open(struct input_dev *dev) { ?kpd_slide_qwerty_init();?/* API 1 for kpd slide qwerty init settings */ ?return 0; }
#ifdef KPD_HAS_HALL_FUN
static irqreturn_t kpd_flip_eint_handler(int irq, void *dev_id) { ?? tasklet_schedule(&kpd_flip_tasklet); }
static void kpd_flip_handler(unsigned long data) { ??? bool old_state = kpd_flip_state;? ??? int Mhall_key_level; ??? int ret = 0;
??? kpd_flip_state = !kpd_flip_state;
?Mhall_key_level = mt_get_gpio_in(HALL_EINT_PIN); ?
??? pr_warn("\n chenhaibing kpd_flip_handler report?? "); ? #if 1 ??? if (kpd_flip_state) ??? { ????? input_report_switch(kpd_input_dev, SW_LID, 0); ????? pr_warn("\n glove is close! report kpd_flip_state=%d, flip state= %d\n", kpd_flip_state,old_state); ??? } ??? else ??? { ????? input_report_switch(kpd_input_dev, SW_LID, 1); ????? pr_warn("\n glove is open!report kpd_flip_state=%d, flip state= %d\n", kpd_flip_state,old_state); ??? } #endif
??? input_sync(kpd_input_dev); ??? pr_warn("chenhaibing hall_key_level = %d", Mhall_key_level); ??? pr_warn("chenhaibing hall flip key handler:%d,%d\n",old_state,kpd_flip_state); #ifdef BIRD_HALL_CHANGE_TP_PARAM //gtp_change_param(Mhall_key_level); #endif
??? if (old_state){ ??? ?//mt_eint_registration(HALL_EINT_NUM, CUST_EINTF_TRIGGER_HIGH, kpd_flip_eint_handler, false); ??? ?ret = request_irq(hall_irq_num, (irq_handler_t)kpd_flip_eint_handler, CUST_EINTF_TRIGGER_HIGH, "hall-eint", NULL); ??? ?if (ret > 0) ??? ??pr_err("HALL-EINT IRQ LINE NOT AVAILABLE!!\n"); ??? }else{ ??? ?//mt_eint_registration(HALL_EINT_NUM, CUST_EINTF_TRIGGER_LOW, kpd_flip_eint_handler, false); ??????? ret = request_irq(hall_irq_num, (irq_handler_t)kpd_flip_eint_handler, CUST_EINTF_TRIGGER_LOW, "hall-eint", NULL); ??????? if (ret > 0) ??? ??pr_err("HALL-EINT IRQ LINE NOT AVAILABLE!!\n"); ??? } ??? ?mt_eint_unmask(HALL_EINT_NUM); ??? }
#endif
?
#if !defined(CONFIG_MTK_LEGACY) void kpd_get_dts_info(void) { ?struct device_node *node; ?node = of_find_compatible_node(NULL, NULL, "mediatek, kpd"); ?if (node) { ??of_property_read_u32(node, "kpd-key-debounce", &kpd_dts_data.kpd_key_debounce); ??of_property_read_u32(node, "kpd-sw-pwrkey", &kpd_dts_data.kpd_sw_pwrkey); ??of_property_read_u32(node, "kpd-hw-pwrkey", &kpd_dts_data.kpd_hw_pwrkey); ??of_property_read_u32(node, "kpd-sw-rstkey", &kpd_dts_data.kpd_sw_rstkey); ??of_property_read_u32(node, "kpd-hw-rstkey", &kpd_dts_data.kpd_hw_rstkey); ??of_property_read_u32(node, "kpd-use-extend-type", &kpd_dts_data.kpd_use_extend_type); ??of_property_read_u32(node, "kpd-pwrkey-eint-gpio", &kpd_dts_data.kpd_pwrkey_eint_gpio); ??of_property_read_u32(node, "kpd-pwrkey-gpio-din", &kpd_dts_data.kpd_pwrkey_gpio_din); ??of_property_read_u32(node, "kpd-hw-dl-key1", &kpd_dts_data.kpd_hw_dl_key1); ??of_property_read_u32(node, "kpd-hw-dl-key2", &kpd_dts_data.kpd_hw_dl_key2); ??of_property_read_u32(node, "kpd-hw-dl-key3", &kpd_dts_data.kpd_hw_dl_key3); ??of_property_read_u32(node, "kpd-hw-recovery-key", &kpd_dts_data.kpd_hw_recovery_key); ??of_property_read_u32(node, "kpd-hw-factory-key", &kpd_dts_data.kpd_hw_factory_key); ??of_property_read_u32_array(node, "kpd-hw-init-map", kpd_dts_data.kpd_hw_init_map, ??????? ARRAY_SIZE(kpd_dts_data.kpd_hw_init_map));
??kpd_info ????? ("key-debounce = %d, sw-pwrkey = %d, hw-pwrkey = %d, hw-rstkey = %d, sw-rstkey = %d\n", ?????? kpd_dts_data.kpd_key_debounce, kpd_dts_data.kpd_sw_pwrkey, kpd_dts_data.kpd_hw_pwrkey, ?????? kpd_dts_data.kpd_hw_rstkey, kpd_dts_data.kpd_sw_rstkey); ?} else { ??kpd_info("[kpd]%s can't find compatible custom node\n", __func__); ?} } #endif static int kpd_pdrv_probe(struct platform_device *pdev) {
?int i, r; ?int err = 0; ?int ret = 0; ? ?kpd_info("Keypad probe start!!!\n"); #ifdef CONFIG_OF ?kp_base = of_iomap(pdev->dev.of_node, 0); ?if (!kp_base) { ??kpd_info("KP iomap failed\n"); ??return -ENODEV; ?};
?kp_irqnr = irq_of_parse_and_map(pdev->dev.of_node, 0); ?if (!kp_irqnr) { ??kpd_info("KP get irqnr failed\n"); ??return -ENODEV; ?} ?kpd_info("kp base: 0x%p, addr:0x%p,? kp irq: %d\n", kp_base, &kp_base, kp_irqnr); #endif #if defined(CONFIG_MTK_LEGACY)?/*This not need now */ #ifdef CONFIG_MTK_LDVT ?kpd_ldvt_test_init();?/* API 2 for kpd LFVT test enviroment settings */ #endif #endif ?/* initialize and register input device (/dev/input/eventX) */ ?kpd_input_dev = input_allocate_device(); ?if (!kpd_input_dev) ??return -ENOMEM;
?kpd_input_dev->name = KPD_NAME; ?kpd_input_dev->id.bustype = BUS_HOST; ?kpd_input_dev->id.vendor = 0x2454; ?kpd_input_dev->id.product = 0x6500; ?kpd_input_dev->id.version = 0x0010; ?kpd_input_dev->open = kpd_open; #if !defined(CONFIG_MTK_LEGACY) ?kpd_get_dts_info(); #endif ?/* fulfill custom settings */ ?kpd_memory_setting();
?__set_bit(EV_KEY, kpd_input_dev->evbit);
#ifdef KPD_HAS_HALL_FUN ?__set_bit(EV_SW , kpd_input_dev->evbit); ?__set_bit(SW_LID , kpd_input_dev->swbit); #endif #if (KPD_PWRKEY_USE_EINT || KPD_PWRKEY_USE_PMIC) #if !defined(CONFIG_MTK_LEGACY) ?__set_bit(kpd_dts_data.kpd_sw_pwrkey, kpd_input_dev->keybit); #else ?__set_bit(KPD_PWRKEY_MAP, kpd_input_dev->keybit); #endif ?kpd_keymap[8] = 0; #endif #if !defined(CONFIG_MTK_LEGACY) ?if (!kpd_dts_data.kpd_use_extend_type) { ??for (i = 17; i < KPD_NUM_KEYS; i += 9)?/* only [8] works for Power key */ ???kpd_keymap[i] = 0; ?} #else #if !KPD_USE_EXTEND_TYPE ?for (i = 17; i < KPD_NUM_KEYS; i += 9)?/* only [8] works for Power key */ ??kpd_keymap[i] = 0; #endif #endif ?for (i = 0; i < KPD_NUM_KEYS; i++) { ??if (kpd_keymap[i] != 0) ???__set_bit(kpd_keymap[i], kpd_input_dev->keybit); ?}
#if KPD_AUTOTEST ?for (i = 0; i < ARRAY_SIZE(kpd_auto_keymap); i++) ??__set_bit(kpd_auto_keymap[i], kpd_input_dev->keybit); #endif
#if KPD_HAS_SLIDE_QWERTY ?__set_bit(EV_SW, kpd_input_dev->evbit); ?__set_bit(SW_LID, kpd_input_dev->swbit); #endif #if !defined(CONFIG_MTK_LEGACY) ?if (kpd_dts_data.kpd_sw_rstkey) ??__set_bit(kpd_dts_data.kpd_sw_rstkey, kpd_input_dev->keybit); #else #ifdef KPD_PMIC_RSTKEY_MAP ?__set_bit(KPD_PMIC_RSTKEY_MAP, kpd_input_dev->keybit); #endif #endif #ifdef KPD_KEY_MAP ?__set_bit(KPD_KEY_MAP, kpd_input_dev->keybit); #endif
#ifdef CONFIG_MTK_MRDUMP_KEY ?__set_bit(KEY_RESTART, kpd_input_dev->keybit); #endif
?kpd_input_dev->dev.parent = &pdev->dev; ?r = input_register_device(kpd_input_dev); ?if (r) { ??kpd_info("register input device failed (%d)\n", r); ??input_free_device(kpd_input_dev); ??return r; ?}
?/* register device (/dev/mt6575-kpd) */ ?kpd_dev.parent = &pdev->dev; ?r = misc_register(&kpd_dev); ?if (r) { ??kpd_info("register device failed (%d)\n", r); ??input_unregister_device(kpd_input_dev); ??return r; ?} #ifdef CONFIG_HAS_WAKELOCK ?wake_lock_init(&kpd_suspend_lock, WAKE_LOCK_SUSPEND, "kpd wakelock"); #else ?wakeup_source_init(&kpd_suspend_lock, "kpd wakelock"); #endif
?/* register IRQ and EINT */ #if !defined(CONFIG_MTK_LEGACY) ?kpd_set_debounce(kpd_dts_data.kpd_key_debounce); #else ?kpd_set_debounce(KPD_KEY_DEBOUNCE); #endif #ifdef CONFIG_OF ?r = request_irq(kp_irqnr, kpd_irq_handler, IRQF_TRIGGER_NONE, KPD_NAME, NULL); #else ?r = request_irq(MT_KP_IRQ_ID, kpd_irq_handler, IRQF_TRIGGER_FALLING, KPD_NAME, NULL); #endif ?if (r) { ??kpd_info("register IRQ failed (%d)\n", r); ??misc_deregister(&kpd_dev); ??input_unregister_device(kpd_input_dev); ??return r; ?} ?mt_eint_register();
#ifndef KPD_EARLY_PORTING?/*add for avoid early porting build err the macro is defined in custom file */ ?long_press_reboot_function_setting();?/* /API 4 for kpd long press reboot function setting */ #endif ?hrtimer_init(&aee_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); ?aee_timer.function = aee_timer_func;
#if AEE_ENABLE_5_15 ?hrtimer_init(&aee_timer_5s, CLOCK_MONOTONIC, HRTIMER_MODE_REL); ?aee_timer_5s.function = aee_timer_5s_func; #endif ?err = kpd_create_attr(&kpd_pdrv.driver); ?if (err) { ??kpd_info("create attr file fail\n"); ??kpd_delete_attr(&kpd_pdrv.driver); ??return err; ?} ?kpd_info("%s Done\n", __func__); #ifdef KPD_HAS_HALL_FUN ?mt_set_gpio_mode(HALL_EINT_PIN, GPIO_MODE_00); ?mt_set_gpio_dir(HALL_EINT_PIN, GPIO_DIR_IN); ?mt_set_gpio_pull_enable(HALL_EINT_PIN, GPIO_PULL_ENABLE); ?mt_set_gpio_pull_select(HALL_EINT_PIN, GPIO_PULL_UP); ?mt_eint_set_hw_debounce(HALL_EINT_NUM, 0); ??? //mt_eint_registration(HALL_EINT_NUM, CUST_EINTF_TRIGGER_LOW, kpd_flip_eint_handler, false); ??? hall_irq_num = mt_gpio_to_irq(HALL_EINT_NUM); ??? ret = request_irq(hall_irq_num, (irq_handler_t)kpd_flip_eint_handler, CUST_EINTF_TRIGGER_LOW, "hall-eint", NULL); ??? pr_warn("liuyang:request_irq ret = %d,hall_irq = %d\n!", ret, hall_irq_num); ??? if (ret > 0) ???? pr_err("HALL-EINT IRQ LINE NOT AVAILABLE!!\n"); ?mt_eint_unmask(HALL_EINT_NUM); ?pr_warn("hall_sensor probe success!"); #endif #ifdef KPD_HAS_HALL_FUN ?int j; ?int result; ??? ??? //create a class to avoid event drop by uevent_ops->filter function (dev_uevent_filter()) ??? hall_class = class_create(THIS_MODULE, HALL_CLASS_NAME); ??? if (IS_ERR(hall_class)) { ??????? printk("cannot create hall class\n");??????? //??goto exit_class_create_failed; ??? }
??? #if 0 ?hall_device = device_create(hall_class, NULL, ????MKDEV(MISC_MAJOR, MISC_DYNAMIC_MINOR), NULL, ????HALL_DEVICE_NAME); ?if (IS_ERR(hall_device)) { ??????? printk("cannot create hall? device\n");??????? //??goto exit_inv_device_create_failed; ?} ??? #endif
?hall_device = kzalloc(sizeof(struct device), GFP_KERNEL); ?if (!hall_device) { ??????? printk("HZF cannot allocate hall device\n");??????? ??goto exit_device_register_failed; ??? } ?? ??? hall_device->init_name = HALL_DEVICE_NAME; ??? hall_device->class = hall_class; ??? hall_device->release = (void (*)(struct device *))kfree; ??? result = device_register(hall_device); ?if (result) { ???????? printk("HZF cannot register hall device\n");??????? ? ?? goto exit_device_register_failed; ?} ??? ?????? result = 0; ?for (j = 0; j < ARRAY_SIZE(hall_dev_attributes); j++) { ??result = device_create_file(hall_device,hall_dev_attributes[j]); ??if (result) ????????????? break; ?} ?if (result) { ??????? while (--j >= 0) ??????????? device_remove_file(hall_device, hall_dev_attributes[j]); ???????? printk("cannot create hall attr.\n");??????? ???????? goto exit_create_file_failed; ?}??? ?return 0; ??? exit_create_file_failed: ??? device_unregister(hall_device); ??? exit_device_register_failed: ??? class_destroy(hall_class);?
#endif ?return err; }
/* should never be called */ static int kpd_pdrv_remove(struct platform_device *pdev) { ?return 0; }
static int kpd_pdrv_suspend(struct platform_device *pdev, pm_message_t state) { ?kpd_suspend = true; #ifdef MTK_KP_WAKESOURCE ?if (call_status == 2) { ??kpd_print("kpd_pdrv_suspend wake up source enable!! (%d)\n", kpd_suspend); ?} else { ??kpd_wakeup_src_setting(0); ??kpd_print("kpd_pdrv_suspend wake up source disable!! (%d)\n", kpd_suspend); ?} #endif ?kpd_disable_backlight(); ?kpd_print("suspend!! (%d)\n", kpd_suspend); ?return 0; }
static int kpd_pdrv_resume(struct platform_device *pdev) { ?kpd_suspend = false; #ifdef MTK_KP_WAKESOURCE ?if (call_status == 2) { ??kpd_print("kpd_pdrv_suspend wake up source enable!! (%d)\n", kpd_suspend); ?} else { ??kpd_print("kpd_pdrv_suspend wake up source resume!! (%d)\n", kpd_suspend); ??kpd_wakeup_src_setting(1); ?} #endif ?kpd_print("resume!! (%d)\n", kpd_suspend); ?return 0; }
#ifdef CONFIG_MTK_SMARTBOOK_SUPPORT #ifdef CONFIG_HAS_SBSUSPEND static struct sb_handler kpd_sb_handler_desc = { ?.level = SB_LEVEL_DISABLE_KEYPAD, ?.plug_in = sb_kpd_enable, ?.plug_out = sb_kpd_disable, }; #endif #endif
static int __init kpd_mod_init(void) { ?int r;
?r = platform_driver_register(&kpd_pdrv); ?if (r) { ??kpd_info("register driver failed (%d)\n", r); ??return r; ?}
#ifdef CONFIG_MTK_SMARTBOOK_SUPPORT #ifdef CONFIG_HAS_SBSUSPEND ?register_sb_handler(&kpd_sb_handler_desc); #endif #endif
?return 0; }
/* should never be called */ static void __exit kpd_mod_exit(void) { }
module_init(kpd_mod_init); module_exit(kpd_mod_exit);
module_param(kpd_show_hw_keycode, int, 0644); module_param(kpd_show_register, int, 0644);
MODULE_AUTHOR("yucong.xiong <yucong.xiong@mediatek.com>"); MODULE_DESCRIPTION("MTK Keypad (KPD) Driver v0.4"); MODULE_LICENSE("GPL");
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