diff --git a/Documentation/devicetree/bindings/input/touchscreen/amlogic-ts.txt b/Documentation/devicetree/bindings/amlogic/input/amlogic-ts.txt similarity index 52% rename from Documentation/devicetree/bindings/input/touchscreen/amlogic-ts.txt rename to Documentation/devicetree/bindings/amlogic/input/amlogic-ts.txt index 4435ebb0609e..f9585b96a497 100644 --- a/Documentation/devicetree/bindings/input/touchscreen/amlogic-ts.txt +++ b/Documentation/devicetree/bindings/amlogic/input/amlogic-ts.txt @@ -13,11 +13,11 @@ Example: i2c1: i2c@1e000 { /* ... */ - focaltech_ts@0x38 { + focaltech_ts@38 { compatible = "focaltech,fts"; status = "okay"; reg = <0x38>; - reset-gpio = <&gpio GPIOZ_2 0x00>; + reset-gpio = <&gpio GPIOZ_6 0x00>; irq-gpio = <&gpio GPIOZ_3 0x00>; x_max = <600>; y_max = <1024>; @@ -26,3 +26,27 @@ Example: /* ... */ }; + + +* Goodix GT1X series touchscreen controller + +Required properties: + - compatible: Should be "goodix,gt1x" + - reg: I2C address of the chip. Should be 0x5d or 0x14 + - irq-gpio: GPIO pin used for IRQ + - reset-gpio: GPIO pin used for reset + +Example: + i2c1: i2c@1e000 { + /* ... */ + + goodix_ts@5d { + compatible = "goodix,gt1x"; + status = "okay"; + reg = <0x5d>; + reset-gpio = <&gpio GPIOZ_6 0x00>; + irq-gpio = <&gpio GPIOZ_3 0x00>; + }; + + /* ... */ + }; diff --git a/MAINTAINERS b/MAINTAINERS index 99b0fc84ca16..80d06da73f1b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -14253,6 +14253,7 @@ F: drivers/amlogic/ledring/aml-pca9557.c AMLOGIC TOUCHSCREEN DRIVER M: Sunny Luo -F: Documentation/devicetree/bindings/input/touchscreen/amlogic-ts.txt +F: Documentation/devicetree/bindings/amlogic/input/amlogic-ts.txt F: drivers/amlogic/input/touchscreen/* F: drivers/amlogic/input/touchscreen/focaltech_touch/* +F: drivers/amlogic/input/touchscreen/goodix_gt1x/* diff --git a/arch/arm64/configs/meson64_defconfig b/arch/arm64/configs/meson64_defconfig index 69c06753ca48..9c4b6c69ec5a 100644 --- a/arch/arm64/configs/meson64_defconfig +++ b/arch/arm64/configs/meson64_defconfig @@ -236,6 +236,7 @@ CONFIG_AMLOGIC_REMOTE=y CONFIG_AMLOGIC_MESON_REMOTE=y CONFIG_AMLOGIC_TOUCHSCREEN=y CONFIG_AMLOGIC_TOUCHSCREEN_FTS=y +CONFIG_AMLOGIC_TOUCHSCREEN_GT1X=y CONFIG_AMLOGIC_EFUSE=y CONFIG_AMLOGIC_REBOOT=y CONFIG_AMLOGIC_GX_REBOOT=y diff --git a/drivers/amlogic/input/touchscreen/Kconfig b/drivers/amlogic/input/touchscreen/Kconfig old mode 100755 new mode 100644 index 52cee1cc3450..393468d76380 --- a/drivers/amlogic/input/touchscreen/Kconfig +++ b/drivers/amlogic/input/touchscreen/Kconfig @@ -18,5 +18,11 @@ config AMLOGIC_TOUCHSCREEN_FTS help Say Y here if you want to use facaltech FT_xx. +config AMLOGIC_TOUCHSCREEN_GT1X + tristate "goodix gt1x touch driver support" + depends on I2C + default n + help + Say Y here if you want to use goodix gt1x. endif diff --git a/drivers/amlogic/input/touchscreen/Makefile b/drivers/amlogic/input/touchscreen/Makefile old mode 100755 new mode 100644 index b0bb315f33ee..5bac272ddfe4 --- a/drivers/amlogic/input/touchscreen/Makefile +++ b/drivers/amlogic/input/touchscreen/Makefile @@ -5,3 +5,4 @@ # Each configuration option enables a list of files. obj-$(CONFIG_AMLOGIC_TOUCHSCREEN_FTS) += focaltech_touch/ +obj-$(CONFIG_AMLOGIC_TOUCHSCREEN_GT1X) += goodix_gt1x/ diff --git a/drivers/amlogic/input/touchscreen/goodix_gt1x/Kconfig b/drivers/amlogic/input/touchscreen/goodix_gt1x/Kconfig new file mode 100644 index 000000000000..4ab46e78637e --- /dev/null +++ b/drivers/amlogic/input/touchscreen/goodix_gt1x/Kconfig @@ -0,0 +1,11 @@ +# +# Goodix Touchscreen driver configuration +# + +config AMLOGIC_TOUCHSCREEN_GT1X + bool "Goodix GT1X Touchscreen" + depends on I2C + default n + help + Say Y here if you have Goodix GT1X touch panel. + If unsure, say N. diff --git a/drivers/amlogic/input/touchscreen/goodix_gt1x/Makefile b/drivers/amlogic/input/touchscreen/goodix_gt1x/Makefile new file mode 100755 index 000000000000..b34d8431aaf8 --- /dev/null +++ b/drivers/amlogic/input/touchscreen/goodix_gt1x/Makefile @@ -0,0 +1,9 @@ +# +# Makefile for the goodix touchscreen drivers. +# +obj-$(CONFIG_AMLOGIC_TOUCHSCREEN_GT1X) += gt1x_extents.o +obj-$(CONFIG_AMLOGIC_TOUCHSCREEN_GT1X) += gt1x_generic.o +obj-$(CONFIG_AMLOGIC_TOUCHSCREEN_GT1X) += gt1x_tools.o +obj-$(CONFIG_AMLOGIC_TOUCHSCREEN_GT1X) += gt1x.o +obj-$(CONFIG_AMLOGIC_TOUCHSCREEN_GT1X) += gt1x_update.o + diff --git a/drivers/amlogic/input/touchscreen/goodix_gt1x/gt1x.c b/drivers/amlogic/input/touchscreen/goodix_gt1x/gt1x.c new file mode 100644 index 000000000000..8882585f14fc --- /dev/null +++ b/drivers/amlogic/input/touchscreen/goodix_gt1x/gt1x.c @@ -0,0 +1,789 @@ +/* drivers/input/touchscreen/gt1x.c + * + * 2010 - 2014 Goodix Technology. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be a reference + * to you, when you are integrating the GOODiX's CTP IC into your system, + * 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. + * + * Version: 1.4 + * Release Date: 2015/07/10 + */ + +#include +#include "gt1x.h" +#if GTP_ICS_SLOT_REPORT +#include +#endif + +static struct work_struct gt1x_work; +static struct input_dev *input_dev; +static struct workqueue_struct *gt1x_wq; +static const char *gt1x_ts_name = "goodix-ts"; +static const char *input_dev_phys = "input/ts"; +#ifdef GTP_CONFIG_OF +int gt1x_rst_gpio; +int gt1x_int_gpio; +#endif +bool init_ok = 0; + +static int gt1x_register_powermanger(void); +static int gt1x_unregister_powermanger(void); + +/** + * gt1x_i2c_write - i2c write. + * @addr: register address. + * @buffer: data buffer. + * @len: the bytes of data to write. + *Return: 0: success, otherwise: failed + */ +s32 gt1x_i2c_write(u16 addr, u8 * buffer, s32 len) +{ + struct i2c_msg msg = { + .flags = 0, + .addr = gt1x_i2c_client->addr, + }; + return _do_i2c_write(&msg, addr, buffer, len); +} + +/** + * gt1x_i2c_read - i2c read. + * @addr: register address. + * @buffer: data buffer. + * @len: the bytes of data to write. + *Return: 0: success, otherwise: failed + */ +s32 gt1x_i2c_read(u16 addr, u8 * buffer, s32 len) +{ + u8 addr_buf[GTP_ADDR_LENGTH] = { (addr >> 8) & 0xFF, addr & 0xFF }; + struct i2c_msg msgs[2] = { + { + .addr = gt1x_i2c_client->addr, + .flags = 0, + .buf = addr_buf, + .len = GTP_ADDR_LENGTH}, + { + .addr = gt1x_i2c_client->addr, + .flags = I2C_M_RD} + }; + return _do_i2c_read(msgs, addr, buffer, len); +} + +static spinlock_t irq_lock; +static s32 irq_is_disable = 0; + +/** + * gt1x_irq_enable - enable irq function. + * + */ +void gt1x_irq_enable(void) +{ + unsigned long irqflags = 0; + + GTP_DEBUG_FUNC(); + + spin_lock_irqsave(&irq_lock, irqflags); + if (irq_is_disable) { + enable_irq(gt1x_i2c_client->irq); + irq_is_disable = 0; + } + spin_unlock_irqrestore(&irq_lock, irqflags); +} + +/** + * gt1x_irq_enable - disable irq function. + * + */ +void gt1x_irq_disable(void) +{ + unsigned long irqflags; + + GTP_DEBUG_FUNC(); + + spin_lock_irqsave(&irq_lock, irqflags); + if (!irq_is_disable) { + irq_is_disable = 1; + disable_irq_nosync(gt1x_i2c_client->irq); + } + spin_unlock_irqrestore(&irq_lock, irqflags); +} + +int gt1x_debug_proc(u8 * buf, int count) +{ + return -1; +} + +#if GTP_CHARGER_SWITCH +u32 gt1x_get_charger_status(void) +{ +#error Need to get charger status of your platform. +} +#endif + +/** + * gt1x_ts_irq_handler - External interrupt service routine for interrupt mode. + * @irq: interrupt number. + * @dev_id: private data pointer. + * Return: Handle Result. + * IRQ_HANDLED: interrupt handled successfully + */ +static irqreturn_t gt1x_ts_irq_handler(int irq, void *dev_id) +{ + static int irq_counter = 0; + GTP_DEBUG_FUNC(); + if (init_ok) { + gt1x_irq_disable(); + queue_work(gt1x_wq, >1x_work); + } + pr_info("irq_cnt = %d, init_ok = %d\n", ++irq_counter, init_ok); + return IRQ_HANDLED; +} + +/** + * gt1x_touch_down - Report touch point event . + * @id: trackId + * @x: input x coordinate + * @y: input y coordinate + * @w: input pressure + * Return: none. + */ +void gt1x_touch_down(s32 x, s32 y, s32 size, s32 id) +{ +#if GTP_CHANGE_X2Y + GTP_SWAP(x, y); +#endif + +#if GTP_ICS_SLOT_REPORT + input_mt_slot(input_dev, id); + input_report_abs(input_dev, ABS_MT_PRESSURE, size); + input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR, size); + input_report_abs(input_dev, ABS_MT_TRACKING_ID, id); + input_report_abs(input_dev, ABS_MT_POSITION_X, x); + input_report_abs(input_dev, ABS_MT_POSITION_Y, y); +#else + input_report_key(input_dev, BTN_TOUCH, 1); + if ((!size) && (!id)) { + /* for virtual button */ + input_report_abs(input_dev, ABS_MT_PRESSURE, 100); + input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR, 100); + } else { + input_report_abs(input_dev, ABS_MT_PRESSURE, size); + input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR, size); + input_report_abs(input_dev, ABS_MT_TRACKING_ID, id); + } + input_report_abs(input_dev, ABS_MT_POSITION_X, x); + input_report_abs(input_dev, ABS_MT_POSITION_Y, y); + input_mt_sync(input_dev); +#endif +} + +/** + * gt1x_touch_up - Report touch release event. + * @id: trackId + * Return: none. + */ +void gt1x_touch_up(s32 id) +{ +#if GTP_ICS_SLOT_REPORT + input_mt_slot(input_dev, id); + input_report_abs(input_dev, ABS_MT_TRACKING_ID, -1); +#else + input_report_key(input_dev, BTN_TOUCH, 0); + input_mt_sync(input_dev); +#endif +} + +/** + * gt1x_ts_work_func - Goodix touchscreen work function. + * @iwork: work struct of gt1x_workqueue. + * Return: none. + */ +static void gt1x_ts_work_func(struct work_struct *work) +{ + u8 end_cmd = 0; + u8 finger = 0; + s32 ret = 0; + u8 point_data[11] = { 0 }; + + if (update_info.status) { + GTP_DEBUG("Ignore interrupts during fw update."); + return; + } + +#if GTP_GESTURE_WAKEUP + ret = gesture_event_handler(input_dev); + if (ret >= 0) { + goto exit_work_func; + } +#endif + + if (gt1x_halt) { + GTP_DEBUG("Ignore interrupts after suspend..."); + return; + } + + ret = gt1x_i2c_read(GTP_READ_COOR_ADDR, point_data, sizeof(point_data)); + if (ret < 0) { + GTP_ERROR("I2C transfer error!"); +#if !GTP_ESD_PROTECT + gt1x_power_reset(); +#endif + goto exit_work_func; + } + + finger = point_data[0]; + if (finger == 0x00) { + gt1x_request_event_handler(); + } + + if ((finger & 0x80) == 0) { +#if HOTKNOT_BLOCK_RW + if (!hotknot_paired_flag) +#endif + { + //GTP_ERROR("buffer not ready:0x%02x", finger); + goto exit_eint; + } + } +#if HOTKNOT_BLOCK_RW + ret = hotknot_event_handler(point_data); + if (!ret) { + goto exit_work_func; + } +#endif + +#if GTP_PROXIMITY + ret = gt1x_prox_event_handler(point_data); + if (ret > 0) { + goto exit_work_func; + } +#endif + +#if GTP_WITH_STYLUS + ret = gt1x_touch_event_handler(point_data, input_dev, pen_dev); +#else + ret = gt1x_touch_event_handler(point_data, input_dev, NULL); +#endif + +exit_work_func: + if (!gt1x_rawdiff_mode && (ret >= 0 || ret == ERROR_VALUE)) { + ret = gt1x_i2c_write(GTP_READ_COOR_ADDR, &end_cmd, 1); + if (ret < 0) { + GTP_ERROR("I2C write end_cmd error!"); + } + } +exit_eint: + gt1x_irq_enable(); + +} + +#ifdef CONFIG_GT1X_POWER_CTRL +static struct regulator *vdd_ana; +static struct regulator *vcc_i2c; +#endif + +#ifdef GTP_CONFIG_OF +/** + * gt1x_parse_dt - parse platform infomation form devices tree. + */ +static int gt1x_parse_dt(struct device *dev) +{ + struct device_node *np; + int ret = 0; + + if (!dev) + return -ENODEV; + + np = dev->of_node; + gt1x_int_gpio = of_get_named_gpio(np, "irq-gpio", 0); + gt1x_rst_gpio = of_get_named_gpio(np, "reset-gpio", 0); + + if (!gpio_is_valid(gt1x_int_gpio) || !gpio_is_valid(gt1x_rst_gpio)) { + GTP_ERROR("Invalid GPIO, irq-gpio:%d, rst-gpio:%d", + gt1x_int_gpio, gt1x_rst_gpio); + return -EINVAL; + } + +#ifdef CONFIG_GT1X_POWER_CTRL + vdd_ana = regulator_get(dev, "vdd_ana"); + if (IS_ERR(vdd_ana)) { + GTP_ERROR("regulator get of vdd_ana failed"); + ret = PTR_ERR(vdd_ana); + vdd_ana = NULL; + return ret; + } + + vcc_i2c = regulator_get(dev, "vcc_i2c"); + if (IS_ERR(vcc_i2c)) { + GTP_ERROR("regulator get of vcc_i2c failed"); + ret = PTR_ERR(vcc_i2c); + vcc_i2c = NULL; + goto ERR_GET_VCC; + } + return 0; +ERR_GET_VCC: + regulator_put(vdd_ana); + vdd_ana = NULL; +#endif // end of CONFIG_GT1X_POWER_CTRL + return ret; +} +#endif + +/** + * gt1x_power_switch - power switch . + * @on: 1-switch on, 0-switch off. + * return: 0-succeed, -1-faileds + */ +int gt1x_power_switch(int on) +{ + int ret = 0; +#ifdef CONFIG_GT1X_POWER_CTRL + struct i2c_client *client = gt1x_i2c_client; + + if (!client || !vdd_ana || !vcc_i2c) + return -1; + + if (on) { + GTP_DEBUG("GTP power on."); + ret = regulator_enable(vdd_ana); + udelay(2); + ret = regulator_enable(vcc_i2c); + } else { + GTP_DEBUG("GTP power off."); + ret = regulator_disable(vcc_i2c); + udelay(2); + ret = regulator_disable(vdd_ana); + } +#endif // end of CONFIG_GT1X_POWER_CTRL + return ret; +} + +static void gt1x_remove_gpio_and_power(void) +{ + if (gpio_is_valid(gt1x_int_gpio)) + gpio_free(gt1x_int_gpio); + + if (gpio_is_valid(gt1x_rst_gpio)) + gpio_free(gt1x_rst_gpio); + +#ifdef CONFIG_GT1X_POWER_CTRL + if (vcc_i2c) + regulator_put(vcc_i2c); + + if (vdd_ana) + regulator_put(vdd_ana); +#endif // end of CONFIG_GT1X_POWER_CTRL + + if (gt1x_i2c_client && gt1x_i2c_client->irq) + free_irq(gt1x_i2c_client->irq, gt1x_i2c_client); + +} + + +/** + * gt1x_request_io_port - Request gpio(INT & RST) ports. + */ +static s32 gt1x_request_io_port(void) +{ + s32 ret = 0; + + GTP_DEBUG_FUNC(); + ret = gpio_request(GTP_INT_PORT, "GTP_INT_IRQ"); + if (ret < 0) { + GTP_ERROR("Failed to request GPIO:%d, ERRNO:%d", (s32) GTP_INT_PORT, ret); + ret = -ENODEV; + } else { + GTP_GPIO_AS_INT(GTP_INT_PORT); + gt1x_i2c_client->irq = GTP_INT_IRQ; + } + + ret = gpio_request(GTP_RST_PORT, "GTP_RST_PORT"); + if (ret < 0) { + GTP_ERROR("Failed to request GPIO:%d, ERRNO:%d", (s32) GTP_RST_PORT, ret); + ret = -ENODEV; + } + + GTP_GPIO_AS_INPUT(GTP_RST_PORT); + if (ret < 0) { + gpio_free(GTP_RST_PORT); + gpio_free(GTP_INT_PORT); + } + + return ret; +} + +/** + * gt1x_request_irq - Request interrupt. + * Return + * 0: succeed, -1: failed. + */ +static s32 gt1x_request_irq(void) +{ + s32 ret = -1; + const u8 irq_table[] = GTP_IRQ_TAB; + + GTP_DEBUG_FUNC(); + GTP_DEBUG("INT trigger type:%x", gt1x_int_type); + + ret = request_irq(gt1x_i2c_client->irq, gt1x_ts_irq_handler, irq_table[gt1x_int_type], gt1x_i2c_client->name, gt1x_i2c_client); + if (ret) { + GTP_ERROR("Request IRQ failed!ERRNO:%d.", ret); + GTP_GPIO_AS_INPUT(GTP_INT_PORT); + gpio_free(GTP_INT_PORT); + + return -1; + } else { + gt1x_irq_disable(); + return 0; + } +} + +/** + * gt1x_request_input_dev - Request input device Function. + * Return + * 0: succeed, -1: failed. + */ +static s8 gt1x_request_input_dev(void) +{ + s8 ret = -1; +#if GTP_HAVE_TOUCH_KEY + u8 index = 0; +#endif + + GTP_DEBUG_FUNC(); + + input_dev = input_allocate_device(); + if (input_dev == NULL) { + GTP_ERROR("Failed to allocate input device."); + return -ENOMEM; + } + + input_dev->evbit[0] = BIT_MASK(EV_SYN) | BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); +#if GTP_ICS_SLOT_REPORT +#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 7, 0)) + input_mt_init_slots(input_dev, 16, INPUT_MT_DIRECT); +#else + input_mt_init_slots(input_dev, 16); +#endif +#else + input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); +#endif + set_bit(INPUT_PROP_DIRECT, input_dev->propbit); + +#if GTP_HAVE_TOUCH_KEY + for (index = 0; index < GTP_MAX_KEY_NUM; index++) { + input_set_capability(input_dev, EV_KEY, gt1x_touch_key_array[index]); + } +#endif + +#if GTP_GESTURE_WAKEUP + input_set_capability(input_dev, EV_KEY, KEY_GES_REGULAR); + input_set_capability(input_dev, EV_KEY, KEY_GES_CUSTOM); +#endif + +#if GTP_CHANGE_X2Y + input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0, gt1x_abs_y_max, 0, 0); + input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0, gt1x_abs_x_max, 0, 0); +#else + input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0, gt1x_abs_x_max, 0, 0); + input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0, gt1x_abs_y_max, 0, 0); +#endif + input_set_abs_params(input_dev, ABS_MT_PRESSURE, 0, 255, 0, 0); + input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0); + input_set_abs_params(input_dev, ABS_MT_TRACKING_ID, 0, 255, 0, 0); + + input_dev->name = gt1x_ts_name; + input_dev->phys = input_dev_phys; + input_dev->id.bustype = BUS_I2C; + input_dev->id.vendor = 0xDEAD; + input_dev->id.product = 0xBEEF; + input_dev->id.version = 10427; + + ret = input_register_device(input_dev); + if (ret) { + GTP_ERROR("Register %s input device failed", input_dev->name); + return -ENODEV; + } + + return 0; +} + +/** + * gt1x_ts_probe - I2c probe. + * @client: i2c device struct. + * @id: device id. + * Return 0: succeed, -1: failed. + */ +static int gt1x_ts_probe(struct i2c_client *client, const struct i2c_device_id *id) +{ + s32 ret = -1; +#if GTP_AUTO_UPDATE + struct task_struct *thread = NULL; +#endif + //do NOT remove these logs + GTP_INFO("GTP Driver Version: %s", GTP_DRIVER_VERSION); + GTP_INFO("GTP I2C Address: 0x%02x", client->addr); + + gt1x_i2c_client = client; + spin_lock_init(&irq_lock); + + if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { + GTP_ERROR("I2C check functionality failed."); + return -ENODEV; + } + +#ifdef GTP_CONFIG_OF /* device tree support */ + if (client->dev.of_node) { + gt1x_parse_dt(&client->dev); + } +#endif + + ret = gt1x_request_io_port(); + if (ret < 0) { + GTP_ERROR("GTP request IO port failed."); + return ret; + } + + gt1x_init(); + + INIT_WORK(>1x_work, gt1x_ts_work_func); + + ret = gt1x_request_input_dev(); + if (ret < 0) { + GTP_ERROR("GTP request input dev failed"); + } + + ret = gt1x_request_irq(); + if (ret < 0) { + GTP_INFO("GTP works in polling mode."); + } else { + GTP_INFO("GTP works in interrupt mode."); + } + +#if GTP_GESTURE_WAKEUP + enable_irq_wake(client->irq); +#endif + + gt1x_irq_enable(); + init_ok = 1; + +#if GTP_ESD_PROTECT + // must before auto update + gt1x_init_esd_protect(); + gt1x_esd_switch(SWITCH_ON); +#endif + +#if GTP_AUTO_UPDATE + thread = kthread_run(gt1x_auto_update_proc, (void *)NULL, "gt1x_auto_update"); + if (IS_ERR(thread)) { + ret = PTR_ERR(thread); + GTP_ERROR("Failed to create auto-update thread: %d.", ret); + } +#endif + gt1x_register_powermanger(); + return 0; +} + +/** + * gt1x_ts_remove - Goodix touchscreen driver release function. + * @client: i2c device struct. + * Return 0: succeed, -1: failed. + */ +static int gt1x_ts_remove(struct i2c_client *client) +{ + GTP_DEBUG_FUNC(); + GTP_INFO("GTP driver removing..."); + gt1x_unregister_powermanger(); + +#if GTP_GESTURE_WAKEUP + disable_irq_wake(client->irq); +#endif + gt1x_deinit(); + input_unregister_device(input_dev); + gt1x_remove_gpio_and_power(); + + return 0; +} + +#if defined(CONFIG_FB) +/* frame buffer notifier block control the suspend/resume procedure */ +static struct notifier_block gt1x_fb_notifier; + +static int gtp_fb_notifier_callback(struct notifier_block *noti, unsigned long event, void *data) +{ + struct fb_event *ev_data = data; + int *blank; + +#if GTP_INCELL_PANEL + #ifndef FB_EARLY_EVENT_BLANK + #error Need add FB_EARLY_EVENT_BLANK to fbmem.c + #endif + + if (ev_data && ev_data->data && event == FB_EARLY_EVENT_BLANK) { + blank = ev_data->data; + if (*blank == FB_BLANK_UNBLANK) { + GTP_DEBUG("Resume by fb notifier."); + gt1x_resume(); + } + } +#else + if (ev_data && ev_data->data && event == FB_EVENT_BLANK) { + blank = ev_data->data; + if (*blank == FB_BLANK_UNBLANK) { + GTP_DEBUG("Resume by fb notifier."); + gt1x_resume(); + } + } +#endif + + if (ev_data && ev_data->data && event == FB_EVENT_BLANK) { + blank = ev_data->data; + if (*blank == FB_BLANK_POWERDOWN) { + GTP_DEBUG("Suspend by fb notifier."); + gt1x_suspend(); + } + } + + return 0; +} +#elif defined(CONFIG_PM) +/** + * gt1x_ts_suspend - i2c suspend callback function. + * @dev: i2c device. + * Return 0: succeed, -1: failed. + */ +static int gt1x_pm_suspend(struct device *dev) +{ + return gt1x_suspend(); +} + +/** + * gt1x_ts_resume - i2c resume callback function. + * @dev: i2c device. + * Return 0: succeed, -1: failed. + */ +static int gt1x_pm_resume(struct device *dev) +{ + return gt1x_resume(); +} + +/* bus control the suspend/resume procedure */ +static const struct dev_pm_ops gt1x_ts_pm_ops = { + .suspend = gt1x_pm_suspend, + .resume = gt1x_pm_resume, +}; + +#elif defined(CONFIG_HAS_EARLYSUSPEND) +/* earlysuspend module the suspend/resume procedure */ +static void gt1x_ts_early_suspend(struct early_suspend *h) +{ + gt1x_suspend(); +} + +static void gt1x_ts_late_resume(struct early_suspend *h) +{ + gt1x_resume(); +} + +static struct early_suspend gt1x_early_suspend = { + .level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 1, + .suspend = gt1x_ts_early_suspend, + .resume = gt1x_ts_late_resume, +}; +#endif + + +static int gt1x_register_powermanger(void) +{ +#if defined(CONFIG_FB) + gt1x_fb_notifier.notifier_call = gtp_fb_notifier_callback; + fb_register_client(>1x_fb_notifier); + +#elif defined(CONFIG_HAS_EARLYSUSPEND) + register_early_suspend(>1x_early_suspend); +#endif + return 0; +} + +static int gt1x_unregister_powermanger(void) +{ +#if defined(CONFIG_FB) + fb_unregister_client(>1x_fb_notifier); + +#elif defined(CONFIG_HAS_EARLYSUSPEND) + unregister_early_suspend(>1x_early_suspend); +#endif + return 0; +} + +#ifdef GTP_CONFIG_OF +static const struct of_device_id gt1x_match_table[] = { + {.compatible = "goodix,gt1x",}, + { }, +}; +#endif + +static const struct i2c_device_id gt1x_ts_id[] = { + {GTP_I2C_NAME, 0}, + {} +}; + +static struct i2c_driver gt1x_ts_driver = { + .probe = gt1x_ts_probe, + .remove = gt1x_ts_remove, + .id_table = gt1x_ts_id, + .driver = { + .name = GTP_I2C_NAME, + .owner = THIS_MODULE, +#ifdef GTP_CONFIG_OF + .of_match_table = gt1x_match_table, +#endif +#if !defined(CONFIG_FB) && defined(CONFIG_PM) + .pm = >1x_ts_pm_ops, +#endif + }, +}; + +/** + * gt1x_ts_init - Driver Install function. + * Return 0---succeed. + */ +static int __init gt1x_ts_init(void) +{ + GTP_DEBUG_FUNC(); + GTP_INFO("GTP driver installing..."); + gt1x_wq = create_singlethread_workqueue("gt1x_wq"); + if (!gt1x_wq) { + GTP_ERROR("Creat workqueue failed."); + return -ENOMEM; + } + + return i2c_add_driver(>1x_ts_driver); +} + +/** + * gt1x_ts_exit - Driver uninstall function. + * Return 0---succeed. + */ +static void __exit gt1x_ts_exit(void) +{ + GTP_DEBUG_FUNC(); + GTP_INFO("GTP driver exited."); + i2c_del_driver(>1x_ts_driver); + if (gt1x_wq) { + destroy_workqueue(gt1x_wq); + } +} + +module_init(gt1x_ts_init); +module_exit(gt1x_ts_exit); + +MODULE_DESCRIPTION("GTP Series Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/amlogic/input/touchscreen/goodix_gt1x/gt1x.h b/drivers/amlogic/input/touchscreen/goodix_gt1x/gt1x.h new file mode 100644 index 000000000000..a4312ebbf468 --- /dev/null +++ b/drivers/amlogic/input/touchscreen/goodix_gt1x/gt1x.h @@ -0,0 +1,62 @@ +/* drivers/input/touchscreen/gt1x.h + * + * 2010 - 2013 Goodix Technology. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be a reference + * to you, when you are integrating the GOODiX's CTP IC into your system, + * 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. + * + * Version: 1.4 + * Release Date: 2015/07/10 + */ + +#ifndef _GOODIX_GT1X_H_ +#define _GOODIX_GT1X_H_ +#include "gt1x_generic.h" +#include +#ifdef GTP_CONFIG_OF +#include +#include +#endif +#ifdef CONFIG_FB +#include +#include +#endif +#ifdef CONFIG_HAS_EARLYSUSPEND +#include +#endif + +#define IIC_MAX_TRANSFER_SIZE 250 + +/* Customize your I/O ports & I/O operations */ +#ifdef GTP_CONFIG_OF +extern int gt1x_rst_gpio; +extern int gt1x_int_gpio; +#define GTP_RST_PORT gt1x_rst_gpio +#define GTP_INT_PORT gt1x_int_gpio +#else +#define GTP_RST_PORT 102 //S5PV210_GPJ3(6) +#define GTP_INT_PORT 52 //S5PV210_GPH1(3) +#endif + +#define GTP_INT_IRQ gpio_to_irq(GTP_INT_PORT) +//#define GTP_INT_CFG S3C_GPIO_SFN(0xF) + +#define GTP_GPIO_AS_INPUT(pin) do{\ + gpio_direction_input(pin);\ + }while(0) +#define GTP_GPIO_AS_INT(pin) do{\ + GTP_GPIO_AS_INPUT(pin);\ + }while(0) +#define GTP_GPIO_GET_VALUE(pin) gpio_get_value(pin) +#define GTP_GPIO_OUTPUT(pin,level) gpio_direction_output(pin,level) +#define GTP_IRQ_TAB {IRQ_TYPE_EDGE_RISING, IRQ_TYPE_EDGE_FALLING, IRQ_TYPE_LEVEL_LOW, IRQ_TYPE_LEVEL_HIGH} + +#endif /* _GOODIX_GT1X_H_ */ diff --git a/drivers/amlogic/input/touchscreen/goodix_gt1x/gt1x_extents.c b/drivers/amlogic/input/touchscreen/goodix_gt1x/gt1x_extents.c new file mode 100644 index 000000000000..417421a00e94 --- /dev/null +++ b/drivers/amlogic/input/touchscreen/goodix_gt1x/gt1x_extents.c @@ -0,0 +1,930 @@ +/* drivers/input/touchscreen/gt1x_extents.c + * + * 2010 - 2014 Goodix Technology. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be a reference + * to you, when you are integrating the GOODiX's CTP IC into your system, + * 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. + * + * Version: 1.4 + * Release Date: 2015/07/10 + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include /*proc */ + +#include +#include "gt1x_generic.h" + +#if GTP_GESTURE_WAKEUP + +#define GESTURE_NODE "goodix_gesture" +#define GESTURE_MAX_POINT_COUNT 64 + +#pragma pack(1) +typedef struct { + u8 ic_msg[6]; /*from the first byte */ + u8 gestures[4]; + u8 data[3 + GESTURE_MAX_POINT_COUNT * 4 + 80]; /*80 bytes for extra data */ +} st_gesture_data; +#pragma pack() + +#define SETBIT(longlong, bit) (longlong[bit/8] |= (1 << bit%8)) +#define CLEARBIT(longlong, bit) (longlong[bit/8] &=(~(1 << bit%8))) +#define QUERYBIT(longlong, bit) (!!(longlong[bit/8] & (1 << bit%8))) + +#define CHKBITS_32 32 +#define CHKBITS_16 16 +#define CHKBITS_8 8 + +int gesture_enabled = 0; /* module switch */ +DOZE_T gesture_doze_status = DOZE_DISABLED; /* doze status */ + +static u8 gestures_flag[32]; /* gesture flag, every bit stands for a gesture */ +static st_gesture_data gesture_data; /* gesture data buffer */ +static struct mutex gesture_data_mutex; /* lock for gesture data */ + +static ssize_t gt1x_gesture_data_read(struct file *file, char __user * page, size_t size, loff_t * ppos) +{ + s32 ret = -1; + GTP_DEBUG("visit gt1x_gesture_data_read. ppos:%d", (int)*ppos); + if (*ppos) { + return 0; + } + if (size == 4) { + ret = copy_to_user(((u8 __user *) page), "GT1X", 4); + return 4; + } + ret = simple_read_from_buffer(page, size, ppos, &gesture_data, sizeof(gesture_data)); + + GTP_DEBUG("Got the gesture data."); + return ret; +} + +static ssize_t gt1x_gesture_data_write(struct file *filp, const char __user * buff, size_t len, loff_t * off) +{ + s32 ret = 0; + + GTP_DEBUG_FUNC(); + + ret = copy_from_user(&gesture_enabled, buff, 1); + if (ret) { + GTP_ERROR("copy_from_user failed."); + return -EPERM; + } + + GTP_DEBUG("gesture enabled:%x, ret:%d", gesture_enabled, ret); + + return len; +} + +/** + * calc_checksum - Calc checksum. + * @buf: data to be calc + * @len: length of buf. + * @bits: checkbits + * Return true-pass, false:not pass. + */ +static bool calc_checksum(u8 *buf, int len, int bits) +{ + int i; + + if (bits == CHKBITS_16) { + u16 chksum, *b = (u16 *)buf; + + if (len % 2) { + return false; + } + + len /= 2; + for (i = 0, chksum = 0; i < len; i++) { + if (i == len - 1) + chksum += le16_to_cpu(b[i]); + else + chksum += be16_to_cpu(b[i]); + } + return chksum == 0 ? true : false; + } else if (bits == CHKBITS_8) { + u8 chksum; + + for (i = 0, chksum =0; i < len; i++) { + chksum += buf[i]; + } + return chksum == 0 ? true : false; + } + + return false; +} + +int gesture_enter_doze(void) +{ + int retry = 0; + + GTP_DEBUG_FUNC(); + GTP_DEBUG("Entering doze mode..."); + while (retry++ < 5) { + if (!gt1x_send_cmd(0x08, 0)) { + gesture_doze_status = DOZE_ENABLED; + GTP_DEBUG("Working in doze mode!"); + return 0; + } + msleep(10); + } + GTP_ERROR("Send doze cmd failed."); + return -1; +} + +s32 gesture_event_handler(struct input_dev * dev) +{ + u8 doze_buf[4] = { 0 }, ges_type; + static int err_flag1 = 0, err_flag2 = 0; + int len, extra_len, need_chk; + unsigned int key_code; + s32 ret = 0; + + if (DOZE_ENABLED != gesture_doze_status) { + return -1; + } + + /** package: -head 4B + track points + extra info- + * - head - + * doze_buf[0]: gesture type, + * doze_buf[1]: number of gesture points , + * doze_buf[2]: protocol type, + * doze_buf[3]: gesture extra data length. + */ + ret = gt1x_i2c_read(GTP_REG_WAKEUP_GESTURE, doze_buf, 4); + if (ret < 0) { + return 0; + } + + ges_type = doze_buf[0]; + len = doze_buf[1]; + need_chk = doze_buf[2] & 0x80; + extra_len = doze_buf[3]; + + GTP_DEBUG("0x%x = 0x%02X,0x%02X,0x%02X,0x%02X", GTP_REG_WAKEUP_GESTURE, + doze_buf[0], doze_buf[1], doze_buf[2], doze_buf[3]); + + if (len > GESTURE_MAX_POINT_COUNT) { + GTP_ERROR("Gesture contain too many points!(%d)", len); + len = GESTURE_MAX_POINT_COUNT; + } + + if (extra_len > 32) { + GTP_ERROR("Gesture contain too many extra data!(%d)", extra_len); + extra_len = 32; + } + + /* get gesture extra info */ + if (extra_len >= 0) { + u8 ges_data[extra_len + 1]; + + /* head 4 + extra data * 4 + chksum 1 */ + ret = gt1x_i2c_read(GTP_REG_WAKEUP_GESTURE + 4, + ges_data, extra_len + 1); + if (ret < 0) { + GTP_ERROR("Read extra gesture data failed."); + return 0; + } + + if (likely(need_chk)) { /* calc checksum */ + bool val; + + ges_data[extra_len] += doze_buf[0] + doze_buf[1] + + doze_buf[2] + doze_buf[3]; + + val = calc_checksum(ges_data, extra_len + 1, CHKBITS_8); + if (unlikely(!val)) { /* check failed */ + GTP_ERROR("Gesture checksum error."); + if (err_flag1) { + err_flag1 = 0; + ret = 0; + goto clear_reg; + } else { + /* just return 0 without clear reg, + this will receive another int, we + check the data in the next frame */ + err_flag1 = 1; + return 0; + } + } + + err_flag1 = 0; + } + + mutex_lock(&gesture_data_mutex); + memcpy(&gesture_data.data[4 + len * 4], ges_data, extra_len); + mutex_unlock(&gesture_data_mutex); + } + + /* check gesture type (if available?) */ + if (ges_type == 0 || !QUERYBIT(gestures_flag, ges_type)) { + GTP_INFO("Gesture[0x%02X] has been disabled.", doze_buf[0]); + doze_buf[0] = 0x00; + gt1x_i2c_write(GTP_REG_WAKEUP_GESTURE, doze_buf, 1); + gesture_enter_doze(); + return 0; + } + + /* get gesture point data */ + if (len > 0) { /* coor num * 4 + chksum 2*/ + u8 ges_data[len * 4 + 2]; + + ret = gt1x_i2c_read(GES_BUFFER_ADDR, ges_data, len * 4); + if (ret < 0) { + GTP_ERROR("Read gesture data failed."); + return 0; + } + + /* checksum reg for gesture point data */ + ret = gt1x_i2c_read(0x819F, &ges_data[len * 4], 2); + if (ret < 0) { + GTP_ERROR("Read gesture data failed."); + return 0; + } + + if (likely(need_chk)) { + bool val = calc_checksum(ges_data, + len * 4 + 2, CHKBITS_16); + if (unlikely(!val)) { /* check failed */ + GTP_ERROR("Gesture checksum error."); + if (err_flag2) { + err_flag2 = 0; + ret = 0; + goto clear_reg; + } else { + err_flag2 = 1; + return 0; + } + } + + err_flag2 = 0; + } + + mutex_lock(&gesture_data_mutex); + memcpy(&gesture_data.data[4], ges_data, len * 4); + mutex_unlock(&gesture_data_mutex); + } + + mutex_lock(&gesture_data_mutex); + gesture_data.data[0] = ges_type; // gesture type + gesture_data.data[1] = len; // gesture points number + gesture_data.data[2] = doze_buf[2] & 0x7F; // protocol type + gesture_data.data[3] = extra_len; // gesture date length + mutex_unlock(&gesture_data_mutex); + + /* get key code */ + key_code = ges_type < 16? KEY_GES_CUSTOM : KEY_GES_REGULAR; + GTP_DEBUG("Gesture: 0x%02X, points: %d", doze_buf[0], doze_buf[1]); + + input_report_key(dev, key_code, 1); + input_sync(dev); + input_report_key(dev, key_code, 0); + input_sync(dev); + +clear_reg: + doze_buf[0] = 0; // clear ges flag + gt1x_i2c_write(GTP_REG_WAKEUP_GESTURE, doze_buf, 1); + return ret; +} + +void gesture_clear_wakeup_data(void) +{ + mutex_lock(&gesture_data_mutex); + memset(gesture_data.data, 0, 4); + mutex_unlock(&gesture_data_mutex); +} + +void gt1x_gesture_debug(int on) +{ + if (on) { + gesture_enabled = 1; + memset(gestures_flag, 0xFF, sizeof(gestures_flag)); + } else { + gesture_enabled = 0; + memset(gestures_flag, 0x00, sizeof(gestures_flag)); + gesture_doze_status = DOZE_DISABLED; + } + GTP_DEBUG("Gesture debug %s", on ? "on":"off"); +} + +#endif // GTP_GESTURE_WAKEUP + +//HotKnot module +#if GTP_HOTKNOT +#define HOTKNOT_NODE "hotknot" +#define HOTKNOT_VERSION "GOODIX,GT1X" +u8 hotknot_enabled = 0; +u8 hotknot_transfer_mode = 0; + +static int hotknot_open(struct inode *node, struct file *flip) +{ + GTP_DEBUG("Hotknot is enabled."); + hotknot_enabled = 1; + return 0; +} + +static int hotknot_release(struct inode *node, struct file *filp) +{ + GTP_DEBUG("Hotknot is disabled."); + hotknot_enabled = 0; + return 0; +} + +static s32 hotknot_enter_transfer_mode(void) +{ + int ret = 0; + u8 buffer[5] = { 0 }; + + hotknot_transfer_mode = 1; +#if GTP_ESD_PROTECT + gt1x_esd_switch(SWITCH_OFF); +#endif + + gt1x_irq_disable(); + gt1x_send_cmd(GTP_CMD_HN_TRANSFER, 0); + msleep(100); + gt1x_irq_enable(); + + ret = gt1x_i2c_read(0x8140, buffer, sizeof(buffer)); + if (ret) { + hotknot_transfer_mode = 0; + return ret; + } + + buffer[4] = 0; + GTP_DEBUG("enter transfer mode: %s ", buffer); + if (strcmp(buffer, "GHot")) { + hotknot_transfer_mode = 0; + return ERROR_HN_VER; + } + + return 0; +} + +static s32 hotknot_load_hotknot_subsystem(void) +{ + return hotknot_enter_transfer_mode(); +} + +static s32 hotknot_load_authentication_subsystem(void) +{ + s32 ret = 0; + u8 buffer[5] = { 0 }; + ret = gt1x_hold_ss51_dsp_no_reset(); + if (ret < 0) { + GTP_ERROR("Hold ss51 fail!"); + return ERROR; + } + + if (gt1x_chip_type == CHIP_TYPE_GT1X) { + GTP_INFO("hotknot load jump code."); + ret = gt1x_load_patch(gt1x_patch_jump_fw, 4096, 0, 1024 * 8); + if (ret < 0) { + GTP_ERROR("Load jump code fail!"); + return ret; + } + GTP_INFO("hotknot load auth code."); + ret = gt1x_load_patch(hotknot_auth_fw, 4096, 4096, 1024 * 8); + if (ret < 0) { + GTP_ERROR("Load auth system fail!"); + return ret; + } + } else { /* GT2X */ + GTP_INFO("hotknot load auth code."); + ret = gt1x_load_patch(hotknot_auth_fw, 4096, 0, 1024 * 6); + if (ret < 0) { + GTP_ERROR("load auth system fail!"); + return ret; + } + } + + ret = gt1x_startup_patch(); + if (ret < 0) { + GTP_ERROR("Startup auth system fail!"); + return ret; + } + ret = gt1x_i2c_read(GTP_REG_VERSION, buffer, 4); + if (ret < 0) { + GTP_ERROR("i2c read error!"); + return ERROR_IIC; + } + buffer[4] = 0; + GTP_INFO("Current System version: %s", buffer); + return 0; +} + +static s32 hotknot_recovery_main_system(void) +{ + gt1x_irq_disable(); + gt1x_reset_guitar(); + gt1x_irq_enable(); +#if GTP_ESD_PROTECT + gt1x_esd_switch(SWITCH_ON); +#endif + hotknot_transfer_mode = 0; + return 0; +} + +#if HOTKNOT_BLOCK_RW +DECLARE_WAIT_QUEUE_HEAD(bp_waiter); +static u8 got_hotknot_state = 0; +static u8 got_hotknot_extra_state = 0; +static u8 wait_hotknot_state = 0; +static u8 force_wake_flag = 0; +static u8 block_enable = 0; +s32 hotknot_paired_flag = 0; + +static s32 hotknot_block_rw(u8 rqst_hotknot_state, s32 wait_hotknot_timeout) +{ + s32 ret = 0; + + wait_hotknot_state |= rqst_hotknot_state; + GTP_DEBUG("Goodix tool received wait polling state:0x%x,timeout:%d, all wait state:0x%x", rqst_hotknot_state, wait_hotknot_timeout, wait_hotknot_state); + got_hotknot_state &= (~rqst_hotknot_state); + + set_current_state(TASK_INTERRUPTIBLE); + if (wait_hotknot_timeout <= 0) { + wait_event_interruptible(bp_waiter, force_wake_flag || rqst_hotknot_state == (got_hotknot_state & rqst_hotknot_state)); + } else { + wait_event_interruptible_timeout(bp_waiter, force_wake_flag || rqst_hotknot_state == (got_hotknot_state & rqst_hotknot_state), wait_hotknot_timeout); + } + + wait_hotknot_state &= (~rqst_hotknot_state); + + if (rqst_hotknot_state != (got_hotknot_state & rqst_hotknot_state)) { + GTP_ERROR("Wait 0x%x block polling waiter failed.", rqst_hotknot_state); + ret = -1; + } + + force_wake_flag = 0; + return ret; +} + +static void hotknot_wakeup_block(void) +{ + GTP_DEBUG("Manual wakeup all block polling waiter!"); + got_hotknot_state = 0; + wait_hotknot_state = 0; + force_wake_flag = 1; + wake_up_interruptible(&bp_waiter); +} + +s32 hotknot_event_handler(u8 * data) +{ + u8 hn_pxy_state = 0; + u8 hn_pxy_state_bak = 0; + static u8 hn_paired_cnt = 0; + u8 hn_state_buf[10] = { 0 }; + u8 finger = data[0]; + u8 id = 0; + + if (block_enable && !hotknot_paired_flag && (finger & 0x0F)) { + id = data[1]; + hn_pxy_state = data[2] & 0x80; + hn_pxy_state_bak = data[3] & 0x80; + if ((32 == id) && (0x80 == hn_pxy_state) && (0x80 == hn_pxy_state_bak)) { +#ifdef HN_DBLCFM_PAIRED + if (hn_paired_cnt++ < 2) { + return 0; + } +#endif + GTP_DEBUG("HotKnot paired!"); + if (wait_hotknot_state & HN_DEVICE_PAIRED) { + GTP_DEBUG("INT wakeup HN_DEVICE_PAIRED block polling waiter"); + got_hotknot_state |= HN_DEVICE_PAIRED; + wake_up_interruptible(&bp_waiter); + } + block_enable = 0; + hotknot_paired_flag = 1; + return 0; + } else { + got_hotknot_state &= (~HN_DEVICE_PAIRED); + hn_paired_cnt = 0; + } + } + + if (hotknot_paired_flag) { + s32 ret = -1; + ret = gt1x_i2c_read(GTP_REG_HN_STATE, hn_state_buf, 6); + if (ret < 0) { + GTP_ERROR("I2C transfer error. errno:%d\n ", ret); + return 0; + } + + got_hotknot_state = 0; + + GTP_DEBUG("wait_hotknot_state:%x", wait_hotknot_state); + GTP_DEBUG("[0x8800~0x8803]=0x%x,0x%x,0x%x,0x%x", hn_state_buf[0], hn_state_buf[1], hn_state_buf[2], hn_state_buf[3]); + + if (wait_hotknot_state & HN_MASTER_SEND) { + if ((0x03 == hn_state_buf[0]) || (0x04 == hn_state_buf[0]) + || (0x07 == hn_state_buf[0])) { + GTP_DEBUG("Wakeup HN_MASTER_SEND block polling waiter"); + got_hotknot_state |= HN_MASTER_SEND; + got_hotknot_extra_state = hn_state_buf[0]; + wake_up_interruptible(&bp_waiter); + } + } else if (wait_hotknot_state & HN_SLAVE_RECEIVED) { + if ((0x03 == hn_state_buf[1]) || (0x04 == hn_state_buf[1]) + || (0x07 == hn_state_buf[1])) { + GTP_DEBUG("Wakeup HN_SLAVE_RECEIVED block polling waiter:0x%x", hn_state_buf[1]); + got_hotknot_state |= HN_SLAVE_RECEIVED; + got_hotknot_extra_state = hn_state_buf[1]; + wake_up_interruptible(&bp_waiter); + } + } else if (wait_hotknot_state & HN_MASTER_DEPARTED) { + if (0x07 == hn_state_buf[0]) { + GTP_DEBUG("Wakeup HN_MASTER_DEPARTED block polling waiter"); + got_hotknot_state |= HN_MASTER_DEPARTED; + wake_up_interruptible(&bp_waiter); + } + } else if (wait_hotknot_state & HN_SLAVE_DEPARTED) { + if (0x07 == hn_state_buf[1]) { + GTP_DEBUG("Wakeup HN_SLAVE_DEPARTED block polling waiter"); + got_hotknot_state |= HN_SLAVE_DEPARTED; + wake_up_interruptible(&bp_waiter); + } + } + return 0; + } + + return -1; +} +#endif //HOTKNOT_BLOCK_RW +#endif //GTP_HOTKNOT + +#define GOODIX_MAGIC_NUMBER 'G' +#define NEGLECT_SIZE_MASK (~(_IOC_SIZEMASK << _IOC_SIZESHIFT)) + +#define GESTURE_ENABLE _IO(GOODIX_MAGIC_NUMBER, 1) // 1 +#define GESTURE_DISABLE _IO(GOODIX_MAGIC_NUMBER, 2) +#define GESTURE_FLAG_SET _IO(GOODIX_MAGIC_NUMBER, 3) +#define GESTURE_FLAG_CLEAR _IO(GOODIX_MAGIC_NUMBER, 4) +//#define SET_ENABLED_GESTURE (_IOW(GOODIX_MAGIC_NUMBER, 5, u8) & NEGLECT_SIZE_MASK) +#define GESTURE_DATA_OBTAIN (_IOR(GOODIX_MAGIC_NUMBER, 6, u8) & NEGLECT_SIZE_MASK) +#define GESTURE_DATA_ERASE _IO(GOODIX_MAGIC_NUMBER, 7) + +//#define HOTKNOT_LOAD_SUBSYSTEM (_IOW(GOODIX_MAGIC_NUMBER, 6, u8) & NEGLECT_SIZE_MASK) +#define HOTKNOT_LOAD_HOTKNOT _IO(GOODIX_MAGIC_NUMBER, 20) +#define HOTKNOT_LOAD_AUTHENTICATION _IO(GOODIX_MAGIC_NUMBER, 21) +#define HOTKNOT_RECOVERY_MAIN _IO(GOODIX_MAGIC_NUMBER, 22) +//#define HOTKNOT_BLOCK_RW (_IOW(GOODIX_MAGIC_NUMBER, 6, u8) & NEGLECT_SIZE_MASK) +#define HOTKNOT_DEVICES_PAIRED _IO(GOODIX_MAGIC_NUMBER, 23) +#define HOTKNOT_MASTER_SEND _IO(GOODIX_MAGIC_NUMBER, 24) +#define HOTKNOT_SLAVE_RECEIVE _IO(GOODIX_MAGIC_NUMBER, 25) +//#define HOTKNOT_DEVICES_COMMUNICATION +#define HOTKNOT_MASTER_DEPARTED _IO(GOODIX_MAGIC_NUMBER, 26) +#define HOTKNOT_SLAVE_DEPARTED _IO(GOODIX_MAGIC_NUMBER, 27) +#define HOTKNOT_VENDOR_VERSION (_IOR(GOODIX_MAGIC_NUMBER, 28, u8) & NEGLECT_SIZE_MASK) +#define HOTKNOT_WAKEUP_BLOCK _IO(GOODIX_MAGIC_NUMBER, 29) + +#define IO_IIC_READ (_IOR(GOODIX_MAGIC_NUMBER, 100, u8) & NEGLECT_SIZE_MASK) +#define IO_IIC_WRITE (_IOW(GOODIX_MAGIC_NUMBER, 101, u8) & NEGLECT_SIZE_MASK) +#define IO_RESET_GUITAR _IO(GOODIX_MAGIC_NUMBER, 102) +#define IO_DISABLE_IRQ _IO(GOODIX_MAGIC_NUMBER, 103) +#define IO_ENABLE_IRQ _IO(GOODIX_MAGIC_NUMBER, 104) +#define IO_GET_VERISON (_IOR(GOODIX_MAGIC_NUMBER, 110, u8) & NEGLECT_SIZE_MASK) +#define IO_PRINT (_IOW(GOODIX_MAGIC_NUMBER, 111, u8) & NEGLECT_SIZE_MASK) +#define IO_VERSION "V1.3-20150420" + +#define CMD_HEAD_LENGTH 20 +static s32 io_iic_read(u8 * data, void __user * arg) +{ + s32 err = ERROR; + s32 data_length = 0; + u16 addr = 0; + + err = copy_from_user(data, arg, CMD_HEAD_LENGTH); + if (err) { + GTP_ERROR("Can't access the memory."); + return ERROR_MEM; + } + + addr = data[0] << 8 | data[1]; + data_length = data[2] << 8 | data[3]; + + err = gt1x_i2c_read(addr, &data[CMD_HEAD_LENGTH], data_length); + if (!err) { + err = copy_to_user(&((u8 __user *) arg)[CMD_HEAD_LENGTH], &data[CMD_HEAD_LENGTH], data_length); + if (err) { + GTP_ERROR("ERROR when copy to user.[addr: %04x], [read length:%d]", addr, data_length); + return ERROR_MEM; + } + err = CMD_HEAD_LENGTH + data_length; + } + //GTP_DEBUG("IIC_READ.addr:0x%4x, length:%d, ret:%d", addr, data_length, err); + //GTP_DEBUG_ARRAY((&data[CMD_HEAD_LENGTH]), data_length); + + return err; +} + +static s32 io_iic_write(u8 * data) +{ + s32 err = ERROR; + s32 data_length = 0; + u16 addr = 0; + + addr = data[0] << 8 | data[1]; + data_length = data[2] << 8 | data[3]; + + err = gt1x_i2c_write(addr, &data[CMD_HEAD_LENGTH], data_length); + if (!err) { + err = CMD_HEAD_LENGTH + data_length; + } + + //GTP_DEBUG("IIC_WRITE.addr:0x%4x, length:%d, ret:%d", addr, data_length, err); + //GTP_DEBUG_ARRAY((&data[CMD_HEAD_LENGTH]), data_length); + return err; +} + +//@return, 0:operate successfully +// > 0: the length of memory size ioctl has accessed, +// error otherwise. +static long gt1x_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + u32 value = 0; + s32 ret = 0; //the initial value must be 0 + u8 *data = NULL; + int cnt = 30; + + /* Blocking when firmwaer updating */ + while (cnt-- && update_info.status) { + ssleep(1); + } + + //GTP_DEBUG("IOCTL CMD:%x", cmd); + /* GTP_DEBUG("command:%d, length:%d, rw:%s", + _IOC_NR(cmd), + _IOC_SIZE(cmd), + (_IOC_DIR(cmd) & _IOC_READ) ? "read" : (_IOC_DIR(cmd) & _IOC_WRITE) ? "write" : "-"); + */ + + if (_IOC_DIR(cmd)) { + s32 err = -1; + s32 data_length = _IOC_SIZE(cmd); + data = (u8 *) kzalloc(data_length, GFP_KERNEL); + memset(data, 0, data_length); + + if (_IOC_DIR(cmd) & _IOC_WRITE) { + err = copy_from_user(data, (void __user *)arg, data_length); + if (err) { + GTP_ERROR("Can't access the memory."); + kfree(data); + return -1; + } + } + } else { + value = (u32) arg; + } + + switch (cmd & NEGLECT_SIZE_MASK) { + case IO_GET_VERISON: + if ((u8 __user *) arg) { + ret = copy_to_user(((u8 __user *) arg), IO_VERSION, sizeof(IO_VERSION)); + if (!ret) { + ret = sizeof(IO_VERSION); + } + GTP_INFO("%s", IO_VERSION); + } + break; + case IO_IIC_READ: + ret = io_iic_read(data, (void __user *)arg); + break; + + case IO_IIC_WRITE: + ret = io_iic_write(data); + break; + + case IO_RESET_GUITAR: + gt1x_irq_disable(); + gt1x_reset_guitar(); + gt1x_irq_enable(); + break; + + case IO_DISABLE_IRQ: + gt1x_irq_disable(); +#if GTP_ESD_PROTECT + gt1x_esd_switch(SWITCH_OFF); +#endif + break; + + case IO_ENABLE_IRQ: + gt1x_irq_enable(); +#if GTP_ESD_PROTECT + gt1x_esd_switch(SWITCH_ON); +#endif + break; + + //print a string to syc log messages between application and kernel. + case IO_PRINT: + if (data) + GTP_INFO("%s", (char *)data); + break; + +#if GTP_GESTURE_WAKEUP + case GESTURE_ENABLE: + GTP_DEBUG("Gesture switch ON."); + gesture_enabled = 1; + break; + + case GESTURE_DISABLE: + GTP_DEBUG("Gesture switch OFF."); + gesture_enabled = 0; + break; + + case GESTURE_FLAG_SET: + SETBIT(gestures_flag, (u8) value); + GTP_DEBUG("Gesture flag: 0x%02X enabled.", value); + break; + + case GESTURE_FLAG_CLEAR: + CLEARBIT(gestures_flag, (u8) value); + GTP_DEBUG("Gesture flag: 0x%02X disabled.", value); + break; + + case GESTURE_DATA_OBTAIN: + GTP_DEBUG("Obtain gesture data."); + mutex_lock(&gesture_data_mutex); + ret = copy_to_user(((u8 __user *) arg), &gesture_data.data, 4 + gesture_data.data[1] * 4 + gesture_data.data[3]); + if (ret) { + GTP_ERROR("ERROR when copy gesture data to user."); + ret = ERROR_MEM; + } else { + ret = 4 + gesture_data.data[1] * 4 + gesture_data.data[3]; + } + mutex_unlock(&gesture_data_mutex); + break; + + case GESTURE_DATA_ERASE: + GTP_DEBUG("ERASE_GESTURE_DATA"); + gesture_clear_wakeup_data(); + break; +#endif // GTP_GESTURE_WAKEUP + +#if GTP_HOTKNOT + case HOTKNOT_VENDOR_VERSION: + ret = copy_to_user(((u8 __user *) arg), HOTKNOT_VERSION, sizeof(HOTKNOT_VERSION)); + if (!ret) { + ret = sizeof(HOTKNOT_VERSION); + } + break; + case HOTKNOT_LOAD_HOTKNOT: + ret = hotknot_load_hotknot_subsystem(); + break; + + case HOTKNOT_LOAD_AUTHENTICATION: +#if GTP_ESD_PROTECT + gt1x_esd_switch(SWITCH_OFF); +#endif + ret = hotknot_load_authentication_subsystem(); + break; + + case HOTKNOT_RECOVERY_MAIN: + ret = hotknot_recovery_main_system(); + break; +#if HOTKNOT_BLOCK_RW + case HOTKNOT_DEVICES_PAIRED: + hotknot_paired_flag = 0; + force_wake_flag = 0; + block_enable = 1; + ret = hotknot_block_rw(HN_DEVICE_PAIRED, (s32) value); + break; + + case HOTKNOT_MASTER_SEND: + ret = hotknot_block_rw(HN_MASTER_SEND, (s32) value); + if (!ret) + ret = got_hotknot_extra_state; + break; + + case HOTKNOT_SLAVE_RECEIVE: + ret = hotknot_block_rw(HN_SLAVE_RECEIVED, (s32) value); + if (!ret) + ret = got_hotknot_extra_state; + break; + + case HOTKNOT_MASTER_DEPARTED: + ret = hotknot_block_rw(HN_MASTER_DEPARTED, (s32) value); + break; + + case HOTKNOT_SLAVE_DEPARTED: + ret = hotknot_block_rw(HN_SLAVE_DEPARTED, (s32) value); + break; + + case HOTKNOT_WAKEUP_BLOCK: + hotknot_wakeup_block(); + break; +#endif //HOTKNOT_BLOCK_RW +#endif //GTP_HOTKNOT + + default: + GTP_INFO("Unknown cmd."); + ret = -1; + break; + } + + if (data != NULL) { + kfree(data); + } + + return ret; +} + +#ifdef CONFIG_COMPAT +static long gt1x_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + void __user *arg32 = compat_ptr(arg); + + if (!file->f_op || !file->f_op->unlocked_ioctl) + return -ENOTTY; + + return file->f_op->unlocked_ioctl(file, cmd, (unsigned long)arg32); +} +#endif + +static const struct file_operations gt1x_fops = { + .owner = THIS_MODULE, +#if GTP_GESTURE_WAKEUP + .read = gt1x_gesture_data_read, + .write = gt1x_gesture_data_write, +#endif + .unlocked_ioctl = gt1x_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = gt1x_compat_ioctl, +#endif +}; + +#if GTP_HOTKNOT +static const struct file_operations hotknot_fops = { + .open = hotknot_open, + .release = hotknot_release, + .unlocked_ioctl = gt1x_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = gt1x_compat_ioctl, +#endif +}; + +static struct miscdevice hotknot_misc_device = { + .minor = MISC_DYNAMIC_MINOR, + .name = HOTKNOT_NODE, + .fops = &hotknot_fops, +}; +#endif + +s32 gt1x_init_node(void) +{ +#if GTP_GESTURE_WAKEUP + struct proc_dir_entry *proc_entry = NULL; + mutex_init(&gesture_data_mutex); + memset(gestures_flag, 0, sizeof(gestures_flag)); + memset((u8 *) & gesture_data, 0, sizeof(st_gesture_data)); + + proc_entry = proc_create(GESTURE_NODE, 0666, NULL, >1x_fops); + if (proc_entry == NULL) { + GTP_ERROR("CAN't create proc entry /proc/%s.", GESTURE_NODE); + return -1; + } else { + GTP_INFO("Created proc entry /proc/%s.", GESTURE_NODE); + } +#endif + +#if GTP_HOTKNOT + if (misc_register(&hotknot_misc_device)) { + GTP_ERROR("CAN't create misc device in /dev/hotknot."); + return -1; + } else { + GTP_INFO("Created misc device in /dev/hotknot."); + } +#endif + return 0; +} + +void gt1x_deinit_node(void) +{ +#if GTP_GESTURE_WAKEUP + remove_proc_entry(GESTURE_NODE, NULL); +#endif + +#if GTP_HOTKNOT + misc_deregister(&hotknot_misc_device); +#endif +} diff --git a/drivers/amlogic/input/touchscreen/goodix_gt1x/gt1x_firmware.h b/drivers/amlogic/input/touchscreen/goodix_gt1x/gt1x_firmware.h new file mode 100644 index 000000000000..30ecc2785f66 --- /dev/null +++ b/drivers/amlogic/input/touchscreen/goodix_gt1x/gt1x_firmware.h @@ -0,0 +1,551 @@ +/* drivers/input/touchscreen/gt1x_firmware.h + * + * 2010 - 2014 Goodix Technology. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be a reference + * to you, when you are integrating the GOODiX's CTP IC into your system, + * 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. + * + * Version: 1.4 + * Release Date: 2015/07/10 + */ + +#ifndef _GT1X_FIRMWARE_H_ +#define _GT1X_FIRMWARE_H_ + +unsigned char gt1x_default_FW[] = +{ +}; + +#if GTP_HOTKNOT +unsigned char gt1x_patch_jump_fw[] = { + 0xa8,0x3f,0x06,0xec,0xd9,0x50,0xf5,0xbf,0xb9,0xc2,0xec,0x5c,0x94,0x2c,0xd0,0xc0, + 0x56,0x1b,0x01,0xaa,0xea,0x04,0xe0,0xa8,0x36,0x37,0xd4,0xbf,0x33,0xfe,0xea,0x9e, + 0x7b,0xf0,0x20,0x46,0x80,0x73,0x6b,0x4e,0x3f,0x27,0x51,0x1e,0x3d,0x80,0x05,0x01, + 0x2d,0xee,0x85,0x0f,0xa9,0x87,0x11,0x29,0x24,0xef,0x2c,0x47,0xc0,0x75,0x24,0xac, + 0x41,0xb6,0x31,0x8c,0x3f,0xa3,0x95,0x98,0x50,0xe2,0x51,0x2d,0x9a,0xcb,0x14,0x6e, + 0xb7,0x17,0xc1,0x85,0x2e,0x04,0x5d,0xa9,0xc5,0x0d,0x8a,0x46,0x59,0x69,0x13,0x55, + 0xfb,0xbf,0x92,0xcb,0xc2,0xc0,0x63,0xdc,0x0a,0x94,0xfd,0x09,0x76,0x5c,0xd2,0xc6, + 0xf2,0x21,0x03,0x81,0x7f,0xa9,0xe9,0xae,0x5d,0x04,0xff,0x98,0x5a,0x70,0xc3,0xd7, + 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0x7a,0x8a,0x0d,0x42,0xd6,0xff,0x9c,0xa5,0xa6,0x5a,0xeb,0xb3,0xd8,0xdb,0xfb,0x6e, + 0x32,0xc8,0xf2,0x06,0xb2,0xe7,0x9b,0x0d,0x7a,0x78,0xe5,0xc2,0xf9,0x5e,0x1a,0x16, + 0x3b,0xd9,0x7f,0x05,0xd5,0xad,0x73,0x4e,0xc4,0xad,0x1d,0x67,0x1b,0xe9,0xde,0xb6, + 0x33,0xc9,0x36,0x04,0xa3,0x7f,0x2e,0x4e,0x1f,0xdb,0xed,0xdf,0xe3,0x5f,0x9a,0x84, + 0xbd,0xca,0x0f,0xe7,0x3d,0xb3,0xe5,0xd3,0xb1,0x2f,0x94,0x44,0x2d,0x93,0xa5,0x93, + 0x32,0x23,0x89,0x45,0x35,0xa3,0xe4,0xd2,0xf6,0xb8,0xe8,0x0c,0x25,0x83,0xa4,0x92, + 0x7b,0x99,0xf4,0xf6,0x3c,0xb2,0x65,0xd1,0xd7,0xae,0x4a,0x6e,0x2c,0x92,0x25,0x91, + 0xd7,0xbb,0xaf,0x09,0x34,0xa2,0x64,0xd0,0x63,0xa9,0x3c,0x40,0x24,0x82,0x24,0x90, + 0x05,0x62,0xa2,0x13,0xfc,0xa3,0xd1,0x3f,0xac,0x12,0x62,0x3d,0xce,0xde,0xd3,0x76, + 0x04,0xb5,0x80,0x9b,0x27,0x5e,0xb4,0xc4,0x45,0xae,0xc4,0xee,0xe4,0x93,0x12,0x2c, + 0x82,0xf3,0x03,0x14,0x45,0x47,0xb0,0x70,0x2f,0x49,0x34,0x1d,0x36,0xfb,0x93,0xae, + 0xf3,0x73,0x85,0xee,0x4d,0xce,0x0b,0x71,0x0b,0x10,0x0a,0x17,0xe5,0x37,0x25,0xbd, + 0x4c,0x76,0x83,0x9e,0x3b,0x3b,0xcd,0xcb,0xfb,0xc4,0xe0,0x57,0x2b,0x1b,0x8d,0x8b, + 0xcb,0x80,0x22,0x1a,0x33,0x2b,0xcc,0xca,0x24,0x92,0x20,0x8a,0x23,0x0b,0x8c,0x8a, + 0xbe,0x23,0x03,0x9c,0x3a,0x3a,0x4d,0xc9,0xa1,0x83,0xa3,0x76,0x2a,0x1a,0x0d,0x89, + 0x2d,0x91,0x41,0xca,0x32,0x2a,0x4c,0xc8,0x25,0xd5,0x61,0x5f,0x22,0x0a,0x0c,0x88, + 0x44,0xe8,0x2a,0x98,0x2a,0x1b,0x3e,0x44,0x2c,0x19,0x4a,0xf7,0xcc,0xf2,0xdb,0x1d, + 0xda,0xea,0x8a,0x1f,0xee,0xd8,0x0f,0xb4,0x60,0xbe,0x88,0xda,0x3d,0x7c,0x1a,0xa5, + 0x5f,0xc1,0x2a,0x12,0x7c,0x09,0x75,0xb5,0xb3,0xcb,0x88,0x50,0xcd,0xc2,0x5b,0x7c, + 0x07,0xbe,0x0a,0xe0,0xf7,0xba,0xf9,0x34,0xbe,0x4a,0x65,0x56,0xe7,0x9a,0x9a,0x82, + 0x3e,0xef,0xd7,0x13,0x39,0x33,0xc5,0xc3,0xa2,0x8a,0x95,0xd1,0x29,0x13,0x85,0x83, + 0x76,0x26,0xa9,0x39,0x31,0x23,0xc4,0xc2,0x64,0x03,0x98,0xa6,0x21,0x03,0x84,0x82, + 0xd7,0x4b,0x22,0x69,0x38,0x32,0x45,0xc1,0x2f,0x96,0x49,0x1f,0x28,0x12,0x05,0x81, + 0xbe,0xbb,0x50,0xa2,0x30,0x22,0x44,0xc0,0x5b,0x7d,0x3a,0xa7,0x20,0x02,0x04,0x80, + 0x18,0xd2,0xeb,0x8f,0x98,0x3b,0xff,0xe4,0x60,0x39,0x6e,0x4d,0xc8,0xa4,0x51,0xd9, + 0x62,0xe9,0xa6,0x8c,0x97,0xf4,0x97,0x85,0x9b,0x54,0xbe,0x30,0x72,0xb2,0x80,0x77, + 0x41,0x43,0x8a,0x8f,0x1a,0xab,0x7f,0xc6,0x68,0x3d,0x63,0xd9,0x8b,0xc5,0x56,0xaa, + 0x63,0xfc,0x26,0x85,0x85,0x75,0xd5,0xac,0xf9,0x78,0xe2,0xce,0x0d,0xb3,0x00,0x75, + 0x68,0xe5,0xe7,0x8b,0x1f,0xb9,0xe9,0x5b,0x48,0xb2,0xbd,0xcb,0x0f,0x99,0xa9,0x1b, + 0x62,0x53,0xa4,0x88,0x17,0xa9,0xe8,0x5a,0x00,0x10,0x06,0x85,0x07,0x89,0xa8,0x1a, + 0x01,0x03,0x20,0x8b,0x1e,0xb8,0x69,0x59,0xe1,0x01,0x87,0xe6,0x0e,0x98,0x29,0x19, + 0x23,0x4e,0xc6,0x82,0x16,0xa8,0x68,0x58,0x01,0x11,0x86,0x47,0x06,0x88,0x28,0x18, + 0x72,0x17,0x6f,0xa8,0xfa,0x59,0x9e,0x8c,0x49,0xda,0x4f,0x79,0x06,0xaa,0x91,0x31, + 0xdd,0x16,0xfe,0x8f,0x8a,0xa1,0x39,0xaf,0x9b,0xc9,0xc1,0x54,0x2a,0xbc,0x89,0xa3, + 0x5b,0x79,0x73,0x7a,0x8b,0x6d,0xdc,0xa5,0x4d,0x2d,0x2d,0x49,0xb3,0x2f,0xdc,0xea, + 0x23,0x3e,0x2c,0x03,0x0b,0x8c,0xfe,0xa5,0x43,0x5d,0x8d,0x84,0xe1,0x61,0x7e,0x8e, + 0x1a,0xc8,0x0f,0x8b,0x1d,0xb1,0xe1,0x53,0x0a,0x4e,0xaf,0x53,0x0d,0x91,0xa1,0x13, + 0x12,0x7e,0x8d,0x85,0x15,0xa1,0xe0,0x52,0x42,0x42,0xbc,0x70,0x05,0x81,0xa0,0x12, + 0xd8,0xa9,0x22,0x73,0x1c,0xb0,0x61,0x51,0x34,0xef,0x57,0xc5,0x0c,0x90,0x21,0x11, + 0x9d,0x29,0x2c,0x89,0x14,0xa0,0x60,0x50,0x23,0x8d,0x12,0x52,0x04,0x80,0x20,0x10, + 0xa7,0x80,0x02,0x96,0x64,0xd8,0xd9,0x1b,0x4f,0x26,0xfd,0xdb,0xcc,0x82,0xdf,0xf7, + 0x4c,0xd6,0x18,0x11,0xcc,0xd6,0x92,0x3a,0xc4,0xd4,0x87,0xd3,0x04,0xfb,0xdf,0x54, + 0xad,0x42,0x45,0x9d,0xd4,0x9e,0x31,0xa7,0x0e,0x41,0x41,0x52,0x7b,0x59,0x1b,0x4f, + 0x55,0x11,0xa0,0x1a,0xa9,0x75,0x19,0xbc,0xd0,0x97,0x35,0xd0,0xb6,0x8b,0x35,0xb6, + 0x9b,0x40,0xa2,0xa9,0x1b,0x39,0xc9,0x4b,0xe4,0x60,0x67,0xb9,0x0b,0x19,0x89,0x0b, + 0xd3,0x30,0x58,0xb5,0x13,0x29,0xc8,0x4a,0x55,0xf2,0x43,0x94,0x03,0x09,0x88,0x0a, + 0xde,0x21,0x55,0xf3,0x1a,0x38,0x49,0x49,0xca,0x01,0xc2,0x96,0x0a,0x18,0x09,0x09, + 0xed,0x89,0xfa,0x9b,0x12,0x28,0x48,0x48,0xed,0x0c,0x18,0x28,0x02,0x08,0x08,0x08, + 0x1c,0x68,0xae,0xd0,0x0e,0xb0,0xbb,0xcd,0x11,0x0b,0x8d,0xde,0x61,0x4c,0x2f,0x5a, + 0x32,0x78,0xf0,0x24,0x84,0xba,0xbf,0xb1,0x46,0x38,0xe5,0xd5,0x34,0xf2,0x9c,0x54, + 0xec,0x69,0x2e,0xd2,0x4f,0xb5,0xba,0xe6,0x13,0xe9,0x4f,0xbf,0xe6,0xc8,0x8a,0xc2, + 0x80,0xc5,0x5c,0x47,0x6b,0xfd,0xfe,0x04,0x07,0x41,0x41,0xd6,0xac,0x09,0x7c,0x65, + 0x0e,0x3b,0xad,0x8e,0x19,0x31,0xc1,0x43,0x89,0x15,0x91,0x23,0x09,0x11,0x81,0x03, + 0x66,0x7d,0xce,0x92,0x11,0x21,0xc0,0x42,0x81,0x05,0x90,0x22,0x01,0x01,0x80,0x02, + 0xa7,0x95,0x7b,0x98,0x18,0x30,0x41,0x41,0x88,0x14,0x11,0x21,0x08,0x10,0x01,0x01, + 0x0f,0x9a,0x23,0x92,0x10,0x20,0x40,0x40,0x80,0x04,0x10,0x20,0x00,0x00,0x54,0x3c, +}; + +unsigned char hotknot_transfer_fw[] = { + +}; + +unsigned char hotknot_auth_fw[] = { + 0xa8,0x3f,0x06,0xee,0xd9,0x50,0xf5,0xbf,0xb9,0xc2,0xec,0x5c,0x94,0x2c,0xd0,0xc0, + 0x56,0x1b,0x01,0xaa,0xea,0x04,0xe0,0xa8,0x36,0x37,0xd4,0xbf,0x33,0xfe,0xea,0x9e, + 0x7b,0xf0,0x20,0x46,0x80,0x73,0x6b,0x4e,0x3f,0x27,0x51,0x1e,0x3d,0x80,0x05,0x01, + 0x2d,0xee,0x85,0x0d,0xa9,0x87,0x11,0x29,0x24,0xef,0x2c,0x47,0xc0,0x75,0x24,0xac, + 0x41,0xb6,0x31,0x8c,0x3f,0xa3,0x95,0x98,0x50,0xe2,0x51,0x2d,0x9a,0xcb,0x14,0x6e, + 0xb7,0x17,0xc1,0x85,0x2e,0x04,0x5d,0xa9,0xc5,0x0d,0x8a,0x46,0x59,0x69,0x13,0x55, + 0xfb,0xbf,0x92,0xcb,0xc2,0xc0,0x63,0xdc,0x0a,0x94,0xfd,0x09,0x76,0x5c,0xd2,0xc6, + 0xf2,0x21,0x03,0x81,0x7f,0xa9,0xe9,0xae,0x5d,0x04,0xff,0x98,0x5a,0x70,0xc3,0xd7, + 0x09,0x0c,0xd3,0x53,0xc4,0x88,0x83,0x2a,0xe1,0x36,0x78,0xbc,0x93,0x53,0xbf,0x04, + 0x30,0x9f,0xa5,0x01,0xa2,0x98,0x82,0x58,0xe0,0x30,0xb0,0x86,0xbe,0x7c,0x70,0x7b, + 0x39,0x8e,0x24,0x15,0xbb,0xf6,0x7d,0xab,0x06,0xc1,0xba,0xd7,0x28,0x5d,0x58,0xec, + 0x8f,0xef,0x09,0x2b,0xb4,0xff,0xdd,0xe6,0x42,0x79,0xae,0x4b,0x21,0x4d,0xd1,0xa4, + 0x62,0x88,0x0b,0x17,0x8d,0xc5,0x35,0x25,0xbc,0x47,0x2d,0x10,0x52,0x79,0x0a,0x4c, + 0x0b,0x2e,0x7d,0xd2,0x5b,0xde,0x8b,0xe5,0x17,0x2d,0xe8,0xf8,0xb5,0xd1,0xd9,0x65, + 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0x6d,0xca,0x0d,0x90,0x18,0x30,0x41,0x41,0x88,0x14,0x11,0x21,0x08,0x10,0x01,0x01, + 0xd9,0xb9,0x58,0x99,0x10,0x20,0x40,0x40,0x80,0x04,0x10,0x20,0x00,0x00,0x4e,0x0e, +}; +#endif // GTP_HOTKNOT + +#endif // _GT1X_FIRMWARE_H_ diff --git a/drivers/amlogic/input/touchscreen/goodix_gt1x/gt1x_generic.c b/drivers/amlogic/input/touchscreen/goodix_gt1x/gt1x_generic.c new file mode 100644 index 000000000000..d1ba7b88204e --- /dev/null +++ b/drivers/amlogic/input/touchscreen/goodix_gt1x/gt1x_generic.c @@ -0,0 +1,2468 @@ +/* drivers/input/touchscreen/gt1x_generic.c + * + * 2010 - 2014 Goodix Technology. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be a reference + * to you, when you are integrating the GOODiX's CTP IC into your system, + * 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. + * + * Version: 1.4 + * Release Date: 2015/07/10 + */ + +//#include "gt1x_tpd_custom.h" +#include "gt1x.h" +#include "gt1x_generic.h" +#if GTP_PROXIMITY&&defined(PLATFORM_MTK) +#include +#include +#include +#endif +#if GTP_ICS_SLOT_REPORT +#include +#endif + +/*******************GLOBAL VARIABLE*********************/ +struct i2c_client *gt1x_i2c_client = NULL; +static struct workqueue_struct *gt1x_workqueue = NULL; + +u8 gt1x_config[GTP_CONFIG_MAX_LENGTH] = { 0 }; +u32 gt1x_cfg_length = GTP_CONFIG_MAX_LENGTH; + +CHIP_TYPE_T gt1x_chip_type = CHIP_TYPE_NONE; +struct gt1x_version_info gt1x_version = { + .product_id = {0}, + .patch_id = 0, + .mask_id = 0, + .sensor_id = 0, + .match_opt = 0 +}; + +#ifndef TPD_HAVE_BUTTON +#define TPD_HAVE_BUTTON 0 +#endif + +#if GTP_HAVE_TOUCH_KEY +const u16 gt1x_touch_key_array[] = GTP_KEY_TAB; +#elif TPD_HAVE_BUTTON +struct key_map_t { + int x; + int y; +}; +static struct key_map_t tpd_virtual_key_array[]= TPD_KEY_MAP_ARRAY; +#endif + +#if GTP_WITH_STYLUS && GTP_HAVE_STYLUS_KEY +static const u16 gt1x_stylus_key_array[] = GTP_STYLUS_KEY_TAB; +#endif + +#define GOODIX_SYSFS_DIR "goodix" +static struct kobject *sysfs_rootdir = NULL; + +volatile int gt1x_rawdiff_mode = 0; +u8 gt1x_wakeup_level = 0; +u8 gt1x_init_failed = 0; +u8 gt1x_int_type = 0; +u32 gt1x_abs_x_max = 0; +u32 gt1x_abs_y_max = 0; +int gt1x_halt = 0; + +static ssize_t gt1x_debug_read_proc(struct file *, char __user *, size_t, loff_t *); +static ssize_t gt1x_debug_write_proc(struct file *, const char __user *, size_t, loff_t *); + +static struct proc_dir_entry *gt1x_debug_proc_entry = NULL; +static const struct file_operations gt1x_debug_fops = { + .owner = THIS_MODULE, + .read = gt1x_debug_read_proc, + .write = gt1x_debug_write_proc, +}; + +static s32 gt1x_init_debug_node(void) +{ + gt1x_debug_proc_entry = proc_create(GT1X_DEBUG_PROC_FILE, 0660, NULL, >1x_debug_fops); + if (gt1x_debug_proc_entry == NULL) { + GTP_ERROR("Create proc entry /proc/%s FAILED!", GT1X_DEBUG_PROC_FILE); + return -1; + } + GTP_INFO("Created proc entry /proc/%s.", GT1X_DEBUG_PROC_FILE); + return 0; +} + +static void gt1x_deinit_debug_node(void) +{ + if (gt1x_debug_proc_entry != NULL) { + remove_proc_entry(GT1X_DEBUG_PROC_FILE, NULL); + } +} + +static ssize_t gt1x_debug_read_proc(struct file *file, char __user * page, size_t size, loff_t * ppos) +{ + char *ptr = page; + char temp_data[GTP_CONFIG_MAX_LENGTH] = { 0 }; + int i; + + if (*ppos) { + return 0; + } + + ptr += sprintf(ptr, "==== GT1X default config setting in driver====\n"); + + for (i = 0; i < GTP_CONFIG_MAX_LENGTH; i++) { + ptr += sprintf(ptr, "0x%02X,", gt1x_config[i]); + if (i % 10 == 9) + ptr += sprintf(ptr, "\n"); + } + + ptr += sprintf(ptr, "\n"); + + ptr += sprintf(ptr, "==== GT1X config read from chip====\n"); + i = gt1x_i2c_read(GTP_REG_CONFIG_DATA, temp_data, GTP_CONFIG_MAX_LENGTH); + GTP_INFO("I2C TRANSFER: %d", i); + for (i = 0; i < GTP_CONFIG_MAX_LENGTH; i++) { + ptr += sprintf(ptr, "0x%02X,", temp_data[i]); + + if (i % 10 == 9) + ptr += sprintf(ptr, "\n"); + } + + ptr += sprintf(ptr, "\n"); + /* Touch PID & VID */ + ptr += sprintf(ptr, "==== GT1X Version Info ====\n"); + + gt1x_i2c_read(GTP_REG_VERSION, temp_data, 12); + ptr += sprintf(ptr, "ProductID: GT%c%c%c%c\n", temp_data[0], temp_data[1], temp_data[2], temp_data[3]); + ptr += sprintf(ptr, "PatchID: %02X%02X\n", temp_data[4], temp_data[5]); + ptr += sprintf(ptr, "MaskID: %02X%02X\n", temp_data[7], temp_data[8]); + ptr += sprintf(ptr, "SensorID: %02X\n", temp_data[10] & 0x0F); + + *ppos += ptr - page; + return (ptr - page); +} + +static ssize_t gt1x_debug_write_proc(struct file *file, const char *buffer, size_t count, loff_t * ppos) +{ + s32 ret = 0; + u8 buf[GTP_CONFIG_MAX_LENGTH] = { 0 }; + char mode_str[50] = { 0 }; + int mode; + int cfg_len; + char arg1[50] = { 0 }; + u8 temp_config[GTP_CONFIG_MAX_LENGTH] = { 0 }; + + GTP_DEBUG("write count %ld\n", (unsigned long)count); + + if (count > GTP_CONFIG_MAX_LENGTH) { + GTP_ERROR("Too much data, buffer size: %d, data:%ld", GTP_CONFIG_MAX_LENGTH, (unsigned long)count); + return -EFAULT; + } + + if (copy_from_user(buf, buffer, count)) { + GTP_ERROR("copy from user fail!"); + return -EFAULT; + } + // send config + if (count == gt1x_cfg_length) { + memcpy(gt1x_config, buf, count); + ret = gt1x_send_cfg(gt1x_config, gt1x_cfg_length); + if (ret < 0) { + GTP_ERROR("send gt1x_config failed."); + return -EFAULT; + } + gt1x_abs_x_max = (gt1x_config[RESOLUTION_LOC + 1] << 8) + gt1x_config[RESOLUTION_LOC]; + gt1x_abs_y_max = (gt1x_config[RESOLUTION_LOC + 3] << 8) + gt1x_config[RESOLUTION_LOC + 2]; + + return count; + } + + sscanf(buf, "%s %d", (char *)&mode_str, &mode); + + //force clear gt1x_config + if (strcmp(mode_str, "clear_config") == 0) { + GTP_INFO("Force clear gt1x_config"); + gt1x_send_cmd(GTP_CMD_CLEAR_CFG, 0); + return count; + } + if (strcmp(mode_str, "init") == 0) { + GTP_INFO("Init panel"); + gt1x_init_panel(); + return count; + } + if (strcmp(mode_str, "chip") == 0) { + GTP_INFO("Get chip type:"); + gt1x_get_chip_type(); + return count; + } + if (strcmp(mode_str, "int") == 0) { + if (mode == 0) { + GTP_INFO("Disable irq."); + gt1x_irq_disable(); + } else { + GTP_INFO("Enable irq."); + gt1x_irq_enable(); + } + return count; + } + + if (strcmp(mode_str, "poweron") == 0) { + gt1x_power_switch(1); + return count; + } + + if (strcmp(mode_str, "poweroff") == 0) { + gt1x_power_switch(0); + return count; + } + + if (strcmp(mode_str, "version") == 0) { + gt1x_read_version(NULL); + return count; + } + + if (strcmp(mode_str, "reset") == 0) { + gt1x_irq_disable(); + gt1x_reset_guitar(); + gt1x_irq_enable(); + return count; + } +#if GTP_CHARGER_SWITCH + if (strcmp(mode_str, "charger") == 0) { + gt1x_charger_config(mode); + return count; + } +#endif + sscanf(buf, "%s %s", (char *)&mode_str, (char *)&arg1); + if (strcmp(mode_str, "update") == 0) { + gt1x_update_firmware(arg1); + return count; + } + + if (strcmp(mode_str, "sendconfig") == 0) { + cfg_len = gt1x_parse_config(arg1, temp_config); + if (cfg_len < 0) { + return -1; + } + gt1x_send_cfg(temp_config, gt1x_cfg_length); + return count; + } + + if (strcmp(mode_str, "debug_gesture") == 0) { +#if GTP_GESTURE_WAKEUP + gt1x_gesture_debug(!!mode); +#endif + } + + if (strcmp(mode_str, "force_update") == 0) { + update_info.force_update = !!mode; + } + return gt1x_debug_proc(buf, count); +} + +static u8 ascii2hex(u8 a) +{ + s8 value = 0; + if (a >= '0' && a <= '9') { + value = a - '0'; + } else if (a >= 'A' && a <= 'F') { + value = a - 'A' + 0x0A; + } else if (a >= 'a' && a <= 'f') { + value = a - 'a' + 0x0A; + } else { + value = 0xff; + } + return value; +} + +int gt1x_parse_config(char *filename, u8 * config) +{ + mm_segment_t old_fs; + struct file *fp = NULL; + u8 *buf; + int i; + int len; + int cur_len = -1; + u8 high, low; + + old_fs = get_fs(); + set_fs(KERNEL_DS); + + fp = filp_open(filename, O_RDONLY, 0); + if (IS_ERR(fp)) { + GTP_ERROR("Open config file error!(file: %s)", filename); + goto parse_cfg_fail1; + } + len = fp->f_op->llseek(fp, 0, SEEK_END); + if (len > GTP_CONFIG_MAX_LENGTH * 6 || len < GTP_CONFIG_MAX_LENGTH) { + GTP_ERROR("Config is invalid!(length: %d)", len); + goto parse_cfg_fail2; + } + buf = (u8 *) kzalloc(len, GFP_KERNEL); + if (buf == NULL) { + GTP_ERROR("Allocate memory failed!(size: %d)", len); + goto parse_cfg_fail2; + } + fp->f_op->llseek(fp, 0, SEEK_SET); + if (fp->f_op->read(fp, (char *)buf, len, &fp->f_pos) != len) { + GTP_ERROR("Read %d bytes from file failed!", len); + } + + GTP_INFO("Parse config file: %s (%d bytes)", filename, len); + + for (i = 0, cur_len = 0; i < len && cur_len < GTP_CONFIG_MAX_LENGTH;) { + if (buf[i] == ' ' || buf[i] == '\r' || buf[i] == '\n' || buf[i] == ',') { + i++; + continue; + } + if (buf[i] == '0' && (buf[i + 1] == 'x' || buf[i + 1] == 'X')) { + + high = ascii2hex(buf[i + 2]); + low = ascii2hex(buf[i + 3]); + + if (high != 0xFF && low != 0xFF) { + config[cur_len++] = (high << 4) + low; + i += 4; + continue; + } + } + GTP_ERROR("Illegal config file!"); + cur_len = -1; + break; + } + + if (cur_len < GTP_CONFIG_MIN_LENGTH || config[cur_len - 1] != 0x01) { + cur_len = -1; + } else { + for (i = 0; i < cur_len; i++) { + if (i % 10 == 0) { + printk("\n<>:"); + } + printk("0x%02x,", config[i]); + } + printk("\n"); + } + + kfree(buf); +parse_cfg_fail2: + filp_close(fp, NULL); +parse_cfg_fail1: + set_fs(old_fs); + + return cur_len; +} + +s32 _do_i2c_read(struct i2c_msg * msgs, u16 addr, u8 * buffer, s32 len) +{ + s32 ret = -1; + s32 pos = 0; + s32 data_length = len; + s32 transfer_length = 0; + u8 *data = NULL; + u16 address = addr; + + data = (u8 *) kmalloc(IIC_MAX_TRANSFER_SIZE < (len + GTP_ADDR_LENGTH) ? IIC_MAX_TRANSFER_SIZE : (len + GTP_ADDR_LENGTH), GFP_KERNEL); + if (data == NULL) { + return ERROR_MEM; + } + msgs[1].buf = data; + + while (pos != data_length) { + if ((data_length - pos) > IIC_MAX_TRANSFER_SIZE) { + transfer_length = IIC_MAX_TRANSFER_SIZE; + } else { + transfer_length = data_length - pos; + } + msgs[0].buf[0] = (address >> 8) & 0xFF; + msgs[0].buf[1] = address & 0xFF; + msgs[1].len = transfer_length; + + ret = i2c_transfer(gt1x_i2c_client->adapter, msgs, 2); + if (ret != 2) { + GTP_ERROR("I2c Transfer error! (%d)", ret); + kfree(data); + return ERROR_IIC; + } + memcpy(&buffer[pos], msgs[1].buf, transfer_length); + pos += transfer_length; + address += transfer_length; + } + + kfree(data); + return 0; +} + +s32 _do_i2c_write(struct i2c_msg * msg, u16 addr, u8 * buffer, s32 len) +{ + s32 ret = -1; + s32 pos = 0; + s32 data_length = len; + s32 transfer_length = 0; + u8 *data = NULL; + u16 address = addr; + + data = (u8 *) kmalloc(IIC_MAX_TRANSFER_SIZE < (len + GTP_ADDR_LENGTH) ? IIC_MAX_TRANSFER_SIZE : (len + GTP_ADDR_LENGTH), GFP_KERNEL); + if (data == NULL) { + return ERROR_MEM; + } + msg->buf = data; + + while (pos != data_length) { + if ((data_length - pos) > (IIC_MAX_TRANSFER_SIZE - GTP_ADDR_LENGTH)) { + transfer_length = IIC_MAX_TRANSFER_SIZE - GTP_ADDR_LENGTH; + } else { + transfer_length = data_length - pos; + } + + msg->buf[0] = (address >> 8) & 0xFF; + msg->buf[1] = address & 0xFF; + msg->len = transfer_length + GTP_ADDR_LENGTH; + memcpy(&msg->buf[GTP_ADDR_LENGTH], &buffer[pos], transfer_length); + + ret = i2c_transfer(gt1x_i2c_client->adapter, msg, 1); + if (ret != 1) { + GTP_ERROR("I2c transfer error! (%d)", ret); + kfree(data); + return ERROR_IIC; + } + pos += transfer_length; + address += transfer_length; + } + + kfree(data); + return 0; +} + +#if !GTP_ESD_PROTECT +static s32 gt1x_i2c_test(void) +{ + u8 retry = 0; + s32 ret = -1; + u32 hw_info = 0; + GTP_DEBUG_FUNC(); + + while (retry++ < 3) { + ret = gt1x_i2c_read(GTP_REG_HW_INFO, (u8 *) & hw_info, sizeof(hw_info)); + if (!ret) { + GTP_INFO("Hardware Info:%08X", hw_info); + return ret; + } + + msleep(10); + GTP_ERROR("Hardware Info:%08X", hw_info); + GTP_ERROR("I2c failed%d.", retry); + } + + return ERROR_RETRY; +} +#endif + +/** + * gt1x_i2c_read_dbl_check - read twice and double check + * @addr: register address + * @buffer: data buffer + * @len: bytes to read + * Return <0: i2c error, 0: ok, 1:fail + */ +s32 gt1x_i2c_read_dbl_check(u16 addr, u8 * buffer, s32 len) +{ + u8 buf[16] = { 0 }; + u8 confirm_buf[16] = { 0 }; + int ret; + + if (len > 16) { + GTP_ERROR("i2c_read_dbl_check length %d is too long, exceed %zu", len, sizeof(buf)); + return ERROR; + } + + memset(buf, 0xAA, sizeof(buf)); + ret = gt1x_i2c_read(addr, buf, len); + if (ret < 0) { + return ret; + } + + msleep(5); + memset(confirm_buf, 0, sizeof(confirm_buf)); + ret = gt1x_i2c_read(addr, confirm_buf, len); + if (ret < 0) { + return ret; + } + + if (!memcmp(buf, confirm_buf, len)) { + memcpy(buffer, confirm_buf, len); + return 0; + } + GTP_ERROR("i2c read 0x%04X, %d bytes, double check failed!", addr, len); + return 1; +} + +/** + * gt1x_get_info - Get information from ic, such as resolution and + * int trigger type + * Return <0: i2c failed, 0: i2c ok + */ +s32 gt1x_get_info(void) +{ + u8 opr_buf[4] = { 0 }; + s32 ret = 0; + + ret = gt1x_i2c_read(GTP_REG_CONFIG_DATA + 1, opr_buf, 4); + if (ret < 0) { + return ret; + } + + gt1x_abs_x_max = (opr_buf[1] << 8) + opr_buf[0]; + gt1x_abs_y_max = (opr_buf[3] << 8) + opr_buf[2]; + + ret = gt1x_i2c_read(GTP_REG_CONFIG_DATA + 6, opr_buf, 1); + if (ret < 0) { + return ret; + } + gt1x_int_type = opr_buf[0] & 0x03; + + GTP_INFO("X_MAX = %d, Y_MAX = %d, TRIGGER = 0x%02x", gt1x_abs_x_max, gt1x_abs_y_max, gt1x_int_type); + + return 0; +} + +/** + * gt1x_send_cfg - Send gt1x_config Function. + * @config: pointer of the configuration array. + * @cfg_len: length of configuration array. + * Return 0--success,non-0--fail. + */ +s32 gt1x_send_cfg(u8 * config, int cfg_len) +{ +#if GTP_DRIVER_SEND_CFG + static DEFINE_MUTEX(mutex_cfg); + int i; + s32 ret = 0; + s32 retry = 0; + u16 checksum = 0; + + if (update_info.status) { + GTP_DEBUG("Ignore cfg during fw update."); + return -1; + } + + mutex_lock(&mutex_cfg); + GTP_DEBUG("Driver send config, length:%d", cfg_len); + for (i = 0; i < cfg_len - 3; i += 2) { + checksum += (config[i] << 8) + config[i + 1]; + } + if (!checksum) { + GTP_ERROR("Invalid config, all of the bytes is zero!"); + mutex_unlock(&mutex_cfg); + return -1; + } + checksum = 0 - checksum; + GTP_DEBUG("Config checksum: 0x%04X", checksum); + config[cfg_len - 3] = (checksum >> 8) & 0xFF; + config[cfg_len - 2] = checksum & 0xFF; + config[cfg_len - 1] = 0x01; + + while (retry++ < 5) { + ret = gt1x_i2c_write(GTP_REG_CONFIG_DATA, config, cfg_len); + if (!ret) { + msleep(200); /* at least 200ms, wait for storing config into flash. */ + mutex_unlock(&mutex_cfg); + GTP_DEBUG("Send config successfully!"); + return 0; + } + } + GTP_ERROR("Send config failed!"); + mutex_unlock(&mutex_cfg); + return ret; +#endif + return 0; +} + +/** + * gt1x_init_panel - Prepare config data for touch ic, don't call this function + * after initialization. + * + * Return 0--success,<0 --fail. + */ +s32 gt1x_init_panel(void) +{ + s32 ret = 0; + u8 cfg_len = 0; + +#if GTP_DRIVER_SEND_CFG + u8 sensor_id = 0; + + const u8 cfg_grp0[] = GTP_CFG_GROUP0; + const u8 cfg_grp1[] = GTP_CFG_GROUP1; + const u8 cfg_grp2[] = GTP_CFG_GROUP2; + const u8 cfg_grp3[] = GTP_CFG_GROUP3; + const u8 cfg_grp4[] = GTP_CFG_GROUP4; + const u8 cfg_grp5[] = GTP_CFG_GROUP5; + const u8 *cfgs[] = { + cfg_grp0, cfg_grp1, cfg_grp2, + cfg_grp3, cfg_grp4, cfg_grp5 + }; + u8 cfg_lens[] = { + CFG_GROUP_LEN(cfg_grp0), + CFG_GROUP_LEN(cfg_grp1), + CFG_GROUP_LEN(cfg_grp2), + CFG_GROUP_LEN(cfg_grp3), + CFG_GROUP_LEN(cfg_grp4), + CFG_GROUP_LEN(cfg_grp5) + }; + + GTP_DEBUG("Config groups length:%d,%d,%d,%d,%d,%d", cfg_lens[0], cfg_lens[1], cfg_lens[2], cfg_lens[3], cfg_lens[4], cfg_lens[5]); + + sensor_id = gt1x_version.sensor_id; + if (sensor_id >= 6 || cfg_lens[sensor_id] < GTP_CONFIG_MIN_LENGTH || cfg_lens[sensor_id] > GTP_CONFIG_MAX_LENGTH) { + sensor_id = 0; + gt1x_version.sensor_id = 0; + } + + cfg_len = cfg_lens[sensor_id]; + + GTP_INFO("Config group%d used, length:%d", sensor_id, cfg_len); + + if (cfg_len < GTP_CONFIG_MIN_LENGTH || cfg_len > GTP_CONFIG_MAX_LENGTH) { + GTP_ERROR("Config group%d is INVALID! You need to check you header file CFG_GROUP section!", sensor_id + 1); + return -1; + } + + memset(gt1x_config, 0, sizeof(gt1x_config)); + memcpy(gt1x_config, cfgs[sensor_id], cfg_len); + + /* clear the flag, avoid failure when send the_config of driver. */ + gt1x_config[0] &= 0x7F; + +#if GTP_CUSTOM_CFG + gt1x_config[RESOLUTION_LOC] = (u8) GTP_MAX_WIDTH; + gt1x_config[RESOLUTION_LOC + 1] = (u8) (GTP_MAX_WIDTH >> 8); + gt1x_config[RESOLUTION_LOC + 2] = (u8) GTP_MAX_HEIGHT; + gt1x_config[RESOLUTION_LOC + 3] = (u8) (GTP_MAX_HEIGHT >> 8); + + if (GTP_INT_TRIGGER == 0) { /* RISING */ + gt1x_config[TRIGGER_LOC] &= 0xfe; + } else if (GTP_INT_TRIGGER == 1) { /* FALLING */ + gt1x_config[TRIGGER_LOC] |= 0x01; + } + set_reg_bit(gt1x_config[MODULE_SWITCH3_LOC], 5, !gt1x_wakeup_level); +#endif /* END GTP_CUSTOM_CFG */ + +#else /* DRIVER NOT SEND CONFIG */ + cfg_len = GTP_CONFIG_MAX_LENGTH; + ret = gt1x_i2c_read(GTP_REG_CONFIG_DATA, gt1x_config, cfg_len); + if (ret < 0) { + return ret; + } +#endif /* END GTP_DRIVER_SEND_CFG */ + + GTP_DEBUG_FUNC(); + /* match resolution when gt1x_abs_x_max & gt1x_abs_y_max have been set already */ + if ((gt1x_abs_x_max == 0) && (gt1x_abs_y_max == 0)) { + gt1x_abs_x_max = (gt1x_config[RESOLUTION_LOC + 1] << 8) + gt1x_config[RESOLUTION_LOC]; + gt1x_abs_y_max = (gt1x_config[RESOLUTION_LOC + 3] << 8) + gt1x_config[RESOLUTION_LOC + 2]; + gt1x_int_type = (gt1x_config[TRIGGER_LOC]) & 0x03; + gt1x_wakeup_level = !(gt1x_config[MODULE_SWITCH3_LOC] & 0x20); + } else { + gt1x_config[RESOLUTION_LOC] = (u8) gt1x_abs_x_max; + gt1x_config[RESOLUTION_LOC + 1] = (u8) (gt1x_abs_x_max >> 8); + gt1x_config[RESOLUTION_LOC + 2] = (u8) gt1x_abs_y_max; + gt1x_config[RESOLUTION_LOC + 3] = (u8) (gt1x_abs_y_max >> 8); + set_reg_bit(gt1x_config[MODULE_SWITCH3_LOC], 5, !gt1x_wakeup_level); + gt1x_config[TRIGGER_LOC] = (gt1x_config[TRIGGER_LOC] & 0xFC) | gt1x_int_type; + } + + GTP_INFO("X_MAX=%d,Y_MAX=%d,TRIGGER=0x%02x,WAKEUP_LEVEL=%d", gt1x_abs_x_max, gt1x_abs_y_max, gt1x_int_type, gt1x_wakeup_level); + + gt1x_cfg_length = cfg_len; + ret = gt1x_send_cfg(gt1x_config, gt1x_cfg_length); + return ret; +} + +void gt1x_select_addr(void) +{ + GTP_GPIO_OUTPUT(GTP_RST_PORT, 0); + GTP_GPIO_OUTPUT(GTP_INT_PORT, gt1x_i2c_client->addr == 0x14); + msleep(2); + GTP_GPIO_OUTPUT(GTP_RST_PORT, 1); + msleep(2); +} + +static s32 gt1x_set_reset_status(void) +{ + /* 0x8040 ~ 0x8043 */ + u8 value[] = {0xAA, 0x00, 0x56, 0xAA}; + int ret; + + GTP_DEBUG("Set reset status."); + ret = gt1x_i2c_write(GTP_REG_CMD + 1, &value[1], 3); + if (ret < 0) + return ret; + + return gt1x_i2c_write(GTP_REG_CMD, value, 1); +} + +#if GTP_INCELL_PANEL +int gt1x_write_and_readback(u16 addr, u8 * buffer, s32 len) +{ + int ret; + u8 d[len]; + + ret = gt1x_i2c_write(addr, buffer, len); + if (ret < 0) + return -1; + + ret = gt1x_i2c_read(addr, d, len); + if (ret < 0 || memcmp(buffer, d, len)) + return -1; + + return 0; +} + +int gt1x_incell_reset(void) +{ +#define RST_RETRY 5 + int ret, retry = RST_RETRY; + u8 d[2]; + + + do { + /* select i2c address */ + gt1x_select_addr(); + + /* test i2c */ + ret = gt1x_i2c_read(0x4220, d, 1); + + } while (--retry && ret < 0); + + if (ret < 0) { + return -1; + } + + /* Stop cpu of the touch ic */ + retry = RST_RETRY; + do { + d[0] = 0x0C; + ret = gt1x_write_and_readback(0x4180, d, 1); + + } while (--retry && ret < 0); + + if (ret < 0) { + GTP_ERROR("Hold error."); + return -1; + } + + /* skip sensor id check. [start] */ + retry = RST_RETRY; + do { + d[0] = 0x00; + ret = gt1x_write_and_readback(0x4305, d, 1); + if (ret < 0) + continue; + + d[0] = 0x2B; + d[1] = 0x24; + ret = gt1x_write_and_readback(0x42c4, d, 2); + if (ret < 0) + continue; + + d[0] = 0xE1; + d[1] = 0xD3; + ret = gt1x_write_and_readback(0x42e4, d, 2); + if (ret < 0) + continue; + + d[0] = 0x01; + ret = gt1x_write_and_readback(0x4305, d, 1); + if (ret < 0) + continue; + else + break; + } while (--retry ); + + if (!retry) + return -1; + /* skip sensor id check. [end] */ + + /* release hold of cpu */ + retry = RST_RETRY; + do { + d[0] = 0x00; + ret = gt1x_write_and_readback(0x4180, d, 1); + + } while (--retry && ret < 0); + + if (ret < 0) + return -1; + + return 0; + +} +#endif + +s32 gt1x_reset_guitar(void) +{ + int ret; + + GTP_INFO("GTP RESET!"); + +#if GTP_INCELL_PANEL + ret = gt1x_incell_reset(); + if (ret < 0) + return ret; +#else + gt1x_select_addr(); + msleep(8); //must >= 6ms +#endif + + /* int synchronization */ + GTP_GPIO_OUTPUT(GTP_INT_PORT, 0); + msleep(50); + GTP_GPIO_AS_INT(GTP_INT_PORT); + + /* this operation is necessary even when the esd check + fucntion dose not turn on */ + ret = gt1x_set_reset_status(); + return ret; +} + +/** + * gt1x_read_version - Read gt1x version info. + * @ver_info: address to store version info + * Return 0-succeed. + */ +s32 gt1x_read_version(struct gt1x_version_info * ver_info) +{ + s32 ret = -1; + u8 buf[12] = { 0 }; + u32 mask_id = 0; + u32 patch_id = 0; + u8 product_id[5] = { 0 }; + u8 sensor_id = 0; + u8 match_opt = 0; + int i, retry = 3; + u8 checksum = 0; + + GTP_DEBUG_FUNC(); + + while (retry--) { + ret = gt1x_i2c_read_dbl_check(GTP_REG_VERSION, buf, sizeof(buf)); + if (!ret) { + checksum = 0; + + for (i = 0; i < sizeof(buf); i++) { + checksum += buf[i]; + } + + if (checksum == 0 && /* first 3 bytes must be number or char */ + IS_NUM_OR_CHAR(buf[0]) && IS_NUM_OR_CHAR(buf[1]) && IS_NUM_OR_CHAR(buf[2]) && buf[10] != 0xFF) { /*sensor id == 0xFF, retry */ + break; + } else { + GTP_ERROR("Read version failed!(checksum error)"); + } + } else { + GTP_ERROR("Read version failed!"); + } + GTP_DEBUG("Read version : %d", retry); + msleep(100); + } + + if (retry <= 0) { + if (ver_info) + ver_info->sensor_id = 0; + return -1; + } + + mask_id = (u32) ((buf[7] << 16) | (buf[8] << 8) | buf[9]); + patch_id = (u32) ((buf[4] << 16) | (buf[5] << 8) | buf[6]); + memcpy(product_id, buf, 4); + sensor_id = buf[10] & 0x0F; + match_opt = (buf[10] >> 4) & 0x0F; + + GTP_INFO("IC VERSION:GT%s_%06X(Patch)_%04X(Mask)_%02X(SensorID)", product_id, patch_id, mask_id >> 8, sensor_id); + + if (ver_info != NULL) { + ver_info->mask_id = mask_id; + ver_info->patch_id = patch_id; + memcpy(ver_info->product_id, product_id, 5); + ver_info->sensor_id = sensor_id; + ver_info->match_opt = match_opt; + } + return 0; +} + +/** + * gt1x_get_chip_type - get chip type . + * + * different chip synchronize in different way, + */ +s32 gt1x_get_chip_type(void) +{ + u8 opr_buf[4] = { 0x00 }; + u8 gt1x_data[] = { 0x02, 0x08, 0x90, 0x00 }; + u8 gt9l_data[] = { 0x03, 0x10, 0x90, 0x00 }; + s32 ret = -1; + + /* chip type already exist */ + if (gt1x_chip_type != CHIP_TYPE_NONE) { + return 0; + } + + /* read hardware */ + ret = gt1x_i2c_read_dbl_check(GTP_REG_HW_INFO, opr_buf, sizeof(opr_buf)); + if (ret) { + GTP_ERROR("I2c communication error."); + return -1; + } + + /* find chip type */ + if (!memcmp(opr_buf, gt1x_data, sizeof(gt1x_data))) { + gt1x_chip_type = CHIP_TYPE_GT1X; + } else if (!memcmp(opr_buf, gt9l_data, sizeof(gt9l_data))) { + gt1x_chip_type = CHIP_TYPE_GT2X; + } + + if (gt1x_chip_type != CHIP_TYPE_NONE) { + GTP_INFO("Chip Type: %s", (gt1x_chip_type == CHIP_TYPE_GT1X) ? "GT1X" : "GT2X"); + return 0; + } else { + return -1; + } +} + +/** + * gt1x_enter_sleep - Eter sleep function. + * + * Returns 0--success,non-0--fail. + */ +static s32 gt1x_enter_sleep(void) +{ +#if GTP_POWER_CTRL_SLEEP + gt1x_power_switch(SWITCH_OFF); + return 0; +#else + { + s32 retry = 0; + if (gt1x_wakeup_level == 1) { /* high level wakeup */ + GTP_GPIO_OUTPUT(GTP_INT_PORT, 0); + } + msleep(5); + + while (retry++ < 3) { + if (!gt1x_send_cmd(GTP_CMD_SLEEP, 0)) { + GTP_INFO("Enter sleep mode!"); + return 0; + } + msleep(10); + } + + GTP_ERROR("Enter sleep mode failed."); + return -1; + } +#endif +} + +/** + * gt1x_wakeup_sleep - wakeup from sleep mode Function. + * + * Return: 0--success,non-0--fail. + */ +static s32 gt1x_wakeup_sleep(void) +{ +#if !GTP_POWER_CTRL_SLEEP + u8 retry = 0; + s32 ret = -1; + int flag = 0; +#endif + + GTP_DEBUG("Wake up begin."); + gt1x_irq_disable(); + +#if GTP_POWER_CTRL_SLEEP /* power manager unit control the procedure */ + gt1x_power_reset(); + GTP_INFO("Wakeup by poweron"); + return 0; +#else /* gesture wakeup & int port wakeup */ + while (retry++ < 2) { +#if GTP_GESTURE_WAKEUP + if (gesture_enabled) { + gesture_doze_status = DOZE_DISABLED; + ret = gt1x_reset_guitar(); + if(!ret) { + break; + } + } else +#endif + { + /* wake up through int port */ + GTP_GPIO_OUTPUT(GTP_INT_PORT, gt1x_wakeup_level); + msleep(5); + + /* Synchronize int IO */ + GTP_GPIO_OUTPUT(GTP_INT_PORT, 0); + msleep(50); + GTP_GPIO_AS_INT(GTP_INT_PORT); + flag = 1; + +#if GTP_ESD_PROTECT + ret = gt1x_set_reset_status(); +#else + ret = gt1x_i2c_test(); +#endif + if (!ret) + break; + + } /* end int wakeup */ + } + + if (ret < 0 && flag) { /* int wakeup failed , try waking up by reset */ + while (retry--) { + ret = gt1x_reset_guitar(); + if(!ret) + break; + } + } + + if (ret) { + GTP_ERROR("Wake up sleep failed."); + return -1; + } else { + GTP_INFO("Wake up end."); + return 0; + } +#endif /* END GTP_POWER_CTRL_SLEEP */ +} + +/** + * gt1x_send_cmd - seng cmd + * must write data & checksum first + * byte content + * 0 cmd + * 1 data + * 2 checksum + * Returns 0 - succeed,non-0 - failed + */ +s32 gt1x_send_cmd(u8 cmd, u8 data) +{ + s32 ret; + static DEFINE_MUTEX(cmd_mutex); + u8 buffer[3] = { cmd, data, 0 }; + + mutex_lock(&cmd_mutex); + buffer[2] = (u8) ((0 - cmd - data) & 0xFF); + ret = gt1x_i2c_write(GTP_REG_CMD + 1, &buffer[1], 2); + ret |= gt1x_i2c_write(GTP_REG_CMD, &buffer[0], 1); + msleep(50); + mutex_unlock(&cmd_mutex); + + return ret; +} + +void gt1x_power_reset(void) +{ + static int rst_flag; + s32 i = 0; + + if (rst_flag || update_info.status) { + return; + } + GTP_INFO("force_reset_guitar"); + rst_flag = 1; + gt1x_irq_disable(); + gt1x_power_switch(SWITCH_OFF); + msleep(30); + gt1x_power_switch(SWITCH_ON); + msleep(30); + + for (i = 0; i < 5; i++) { + if(gt1x_reset_guitar()) { + continue; + } + if(gt1x_send_cfg(gt1x_config, gt1x_cfg_length)) { + msleep(500); + continue; + } + break; + } + gt1x_irq_enable(); + rst_flag = 0; +} + +s32 gt1x_request_event_handler(void) +{ + s32 ret = -1; + u8 rqst_data = 0; + + ret = gt1x_i2c_read(GTP_REG_RQST, &rqst_data, 1); + if (ret) { + GTP_ERROR("I2C transfer error. errno:%d", ret); + return -1; + } + GTP_DEBUG("Request state:0x%02x.", rqst_data); + switch (rqst_data & 0x0F) { + case GTP_RQST_CONFIG: + GTP_INFO("Request Config."); + ret = gt1x_send_cfg(gt1x_config, gt1x_cfg_length); + if (ret) { + GTP_ERROR("Send gt1x_config error."); + } else { + GTP_INFO("Send gt1x_config success."); + rqst_data = GTP_RQST_RESPONDED; + gt1x_i2c_write(GTP_REG_RQST, &rqst_data, 1); + } + break; + case GTP_RQST_RESET: + GTP_INFO("Request Reset."); + gt1x_reset_guitar(); + rqst_data = GTP_RQST_RESPONDED; + gt1x_i2c_write(GTP_REG_RQST, &rqst_data, 1); + break; + case GTP_RQST_BAK_REF: + GTP_INFO("Request Ref."); + break; + case GTP_RQST_MAIN_CLOCK: + GTP_INFO("Request main clock."); + break; +#if GTP_HOTKNOT + case GTP_RQST_HOTKNOT_CODE: + GTP_INFO("Request HotKnot Code."); + break; +#endif + default: + break; + } + return 0; +} + +/** + * gt1x_touch_event_handler - handle touch event + * (pen event, key event, finger touch envent) + * @data: + * Return <0: failed, 0: succeed + */ +s32 gt1x_touch_event_handler(u8 * data, struct input_dev * dev, struct input_dev * pen_dev) +{ + u8 touch_data[1 + 8 * GTP_MAX_TOUCH + 2] = { 0 }; + static u16 pre_event = 0; + static u16 pre_index = 0; + u8 touch_num = 0; + u8 key_value = 0; + u16 cur_event = 0; + u8 *coor_data = NULL; + u8 check_sum = 0; + s32 input_x = 0; + s32 input_y = 0; + s32 input_w = 0; + s32 id = 0; + s32 i = 0; + s32 ret = -1; + + GTP_DEBUG_FUNC(); + touch_num = data[0] & 0x0f; + if (touch_num > GTP_MAX_TOUCH) { + GTP_ERROR("Illegal finger number!"); + return ERROR_VALUE; + } + + memcpy(touch_data, data, 11); + + /* read the remaining coor data + * 0x814E(touch status) + 8(every coordinate consist of 8 bytes data) * touch num + + * keycode + checksum + */ + if (touch_num > 1) { + ret = gt1x_i2c_read((GTP_READ_COOR_ADDR + 11), &touch_data[11], 1 + 8 * touch_num + 2 - 11); + if (ret) { + return ret; + } + } + + /* cacl checksum */ + for (i = 0; i < 1 + 8 * touch_num + 2; i++) { + check_sum += touch_data[i]; + } + if (check_sum) { /* checksum error*/ + ret = gt1x_i2c_read(GTP_READ_COOR_ADDR, touch_data, 3 + 8 * touch_num); + if (ret) { + return ret; + } + + for (i = 0, check_sum = 0; i < 3 + 8 * touch_num; i++) { + check_sum += touch_data[i]; + } + if (check_sum) { + GTP_ERROR("Checksum error[%x]",check_sum); + return ERROR_VALUE; + } + } +/* + * cur_event , pre_event bit defination + * bits: bit4 bit3 bit2 bit1 bit0 + * event: hover stylus_key stylus key touch + */ + key_value = touch_data[1 + 8 * touch_num]; +/* start check current event */ + if ((touch_data[0] & 0x10) && key_value) { +#if (GTP_HAVE_STYLUS_KEY || GTP_HAVE_TOUCH_KEY || TPD_HAVE_BUTTON) + /* get current key states */ + if (key_value & 0xF0) { + SET_BIT(cur_event, BIT_STYLUS_KEY); + } else if (key_value & 0x0F) { + SET_BIT(cur_event, BIT_TOUCH_KEY); + } +#endif + } +#if GTP_WITH_STYLUS + else if (touch_data[1] & 0x80) { + SET_BIT(cur_event, BIT_STYLUS); + } +#endif + else if (touch_num) { + SET_BIT(cur_event, BIT_TOUCH); + } + +/* start handle current event and pre-event */ +#if GTP_HAVE_STYLUS_KEY + if (CHK_BIT(cur_event, BIT_STYLUS_KEY) || CHK_BIT(pre_event, BIT_STYLUS_KEY)) { + /* + * 0x10 -- stylus key0 down + * 0x20 -- stylus key1 down + * 0x40 -- stylus key0 & stylus key1 both down + */ + u8 temp = (key_value & 0x40) ? 0x30 : key_value; + for (i = 4; i < 6; i++) { + input_report_key(pen_dev, gt1x_stylus_key_array[i - 4], temp & (0x01 << i)); + } + GTP_DEBUG("Stulus key event."); + } +#endif + +#if GTP_WITH_STYLUS + if (CHK_BIT(cur_event, BIT_STYLUS)) { + coor_data = &touch_data[1]; + id = coor_data[0] & 0x7F; + input_x = coor_data[1] | (coor_data[2] << 8); + input_y = coor_data[3] | (coor_data[4] << 8); + input_w = coor_data[5] | (coor_data[6] << 8); + + input_x = GTP_WARP_X(gt1x_abs_x_max, input_x); + input_y = GTP_WARP_Y(gt1x_abs_y_max, input_y); + + GTP_DEBUG("Pen touch DOWN."); + gt1x_pen_down(input_x, input_y, input_w, 0); + } else if (CHK_BIT(pre_event, BIT_STYLUS)) { + GTP_DEBUG("Pen touch UP."); + gt1x_pen_up(0); + } +#endif + +#if GTP_HAVE_TOUCH_KEY + if (CHK_BIT(cur_event, BIT_TOUCH_KEY) || CHK_BIT(pre_event, BIT_TOUCH_KEY)) { + for (i = 0; i < GTP_MAX_KEY_NUM; i++) { + input_report_key(dev, gt1x_touch_key_array[i], key_value & (0x01 << i)); + } + if (CHK_BIT(cur_event, BIT_TOUCH_KEY)) { + GTP_DEBUG("Key Down."); + } else { + GTP_DEBUG("Key Up."); + } + } +#elif TPD_HAVE_BUTTON + if (CHK_BIT(cur_event, BIT_TOUCH_KEY) || CHK_BIT(pre_event, BIT_TOUCH_KEY)) { + for (i = 0; i < TPD_KEY_COUNT; i++) { + if (key_value & (0x01 << i)) { + gt1x_touch_down(tpd_virtual_key_array[i].x, tpd_virtual_key_array[i].y, 0, 0); + GTP_DEBUG("Key Down."); + break; + } + } + if (i == TPD_KEY_COUNT) { + gt1x_touch_up(0); + GTP_DEBUG("Key Up."); + } + } +#endif + +/* finger touch event*/ + if (CHK_BIT(cur_event, BIT_TOUCH)) { + u8 report_num = 0; + coor_data = &touch_data[1]; + id = coor_data[0] & 0x0F; + for (i = 0; i < GTP_MAX_TOUCH; i++) { + if (i == id) { + input_x = coor_data[1] | (coor_data[2] << 8); + input_y = coor_data[3] | (coor_data[4] << 8); + input_w = coor_data[5] | (coor_data[6] << 8); + + input_x = GTP_WARP_X(gt1x_abs_x_max, input_x); + input_y = GTP_WARP_Y(gt1x_abs_y_max, input_y); + + GTP_DEBUG("(%d)(%d,%d)[%d]", id, input_x, input_y, input_w); + gt1x_touch_down(input_x, input_y, input_w, i); + if (report_num++ < touch_num) { + coor_data += 8; + id = coor_data[0] & 0x0F; + } + pre_index |= 0x01 << i; + } else if (pre_index & (0x01 << i)) { +#if GTP_ICS_SLOT_REPORT + gt1x_touch_up(i); +#endif + pre_index &= ~(0x01 << i); + } + } + } else if (CHK_BIT(pre_event, BIT_TOUCH)) { +#if GTP_ICS_SLOT_REPORT + int cycles = pre_index < 3 ? 3 : GTP_MAX_TOUCH; + for (i = 0; i < cycles; i++) { + if (pre_index >> i & 0x01) { + gt1x_touch_up(i); + } + } +#else + gt1x_touch_up(0); +#endif + GTP_DEBUG("Released Touch."); + pre_index = 0; + } + + /* start sync input report */ + if (CHK_BIT(cur_event, BIT_STYLUS_KEY | BIT_STYLUS) + || CHK_BIT(pre_event, BIT_STYLUS_KEY | BIT_STYLUS)) { + input_sync(pen_dev); + } + + if (CHK_BIT(cur_event, BIT_TOUCH_KEY | BIT_TOUCH) + || CHK_BIT(pre_event, BIT_TOUCH_KEY | BIT_TOUCH)) { + input_sync(dev); + } + + if (unlikely(!pre_event && !cur_event)) { + GTP_DEBUG("Additional Int Pulse."); + } else { + pre_event = cur_event; + } + + return 0; +} + +#if GTP_WITH_STYLUS +struct input_dev *pen_dev; + +static void gt1x_pen_init(void) +{ + s32 ret = 0; + + pen_dev = input_allocate_device(); + if (pen_dev == NULL) { + GTP_ERROR("Failed to allocate input device for pen/stylus."); + return; + } + + pen_dev->evbit[0] = BIT_MASK(EV_SYN) | BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + pen_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); + + set_bit(BTN_TOOL_PEN, pen_dev->keybit); + set_bit(INPUT_PROP_DIRECT, pen_dev->propbit); + +#if GTP_HAVE_STYLUS_KEY + input_set_capability(pen_dev, EV_KEY, BTN_STYLUS); + input_set_capability(pen_dev, EV_KEY, BTN_STYLUS2); +#endif + + input_set_abs_params(pen_dev, ABS_MT_POSITION_X, 0, gt1x_abs_x_max, 0, 0); + input_set_abs_params(pen_dev, ABS_MT_POSITION_Y, 0, gt1x_abs_y_max, 0, 0); + input_set_abs_params(pen_dev, ABS_MT_PRESSURE, 0, 255, 0, 0); + input_set_abs_params(pen_dev, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0); + input_set_abs_params(pen_dev, ABS_MT_TRACKING_ID, 0, 255, 0, 0); + + pen_dev->name = "goodix-pen"; + pen_dev->phys = "input/ts"; + pen_dev->id.bustype = BUS_I2C; + + ret = input_register_device(pen_dev); + if (ret) { + GTP_ERROR("Register %s input device failed", pen_dev->name); + return; + } +} + +void gt1x_pen_down(s32 x, s32 y, s32 size, s32 id) +{ + input_report_key(pen_dev, BTN_TOOL_PEN, 1); +#if GTP_CHANGE_X2Y + GTP_SWAP(x, y); +#endif + +#if GTP_ICS_SLOT_REPORT + input_mt_slot(pen_dev, id); + input_report_abs(pen_dev, ABS_MT_PRESSURE, size); + input_report_abs(pen_dev, ABS_MT_TOUCH_MAJOR, size); + input_report_abs(pen_dev, ABS_MT_TRACKING_ID, id); + input_report_abs(pen_dev, ABS_MT_POSITION_X, x); + input_report_abs(pen_dev, ABS_MT_POSITION_Y, y); +#else + input_report_key(pen_dev, BTN_TOUCH, 1); + if ((!size) && (!id)) { + /* for virtual button */ + input_report_abs(pen_dev, ABS_MT_PRESSURE, 100); + input_report_abs(pen_dev, ABS_MT_TOUCH_MAJOR, 100); + } else { + input_report_abs(pen_dev, ABS_MT_PRESSURE, size); + input_report_abs(pen_dev, ABS_MT_TOUCH_MAJOR, size); + input_report_abs(pen_dev, ABS_MT_TRACKING_ID, id); + } + input_report_abs(pen_dev, ABS_MT_POSITION_X, x); + input_report_abs(pen_dev, ABS_MT_POSITION_Y, y); + input_mt_sync(pen_dev); +#endif +} + +void gt1x_pen_up(s32 id) +{ + input_report_key(pen_dev, BTN_TOOL_PEN, 0); +#if GTP_ICS_SLOT_REPORT + input_mt_slot(pen_dev, id); + input_report_abs(pen_dev, ABS_MT_TRACKING_ID, -1); +#else + input_report_key(pen_dev, BTN_TOUCH, 0); + input_mt_sync(pen_dev); +#endif +} +#endif + +/** + * Proximity Module + */ +#if GTP_PROXIMITY +#define GTP_PS_DEV_NAME "goodix_proximity" +#define GTP_REG_PROXIMITY_ENABLE 0x8049 +#define PS_FARAWAY 1 +#define PS_NEAR 0 +struct gt1x_ps_device{ + int enabled; // module enabled/disabled + int state; // Faraway or Near +#ifdef PLATFORM_MTK + struct hwmsen_object obj_ps; +#else + struct input_dev *input_dev; + struct kobject *kobj; +#endif +}; +static struct gt1x_ps_device *gt1x_ps_dev; + +static void gt1x_ps_report(int state) +{ +#ifdef PLATFORM_MTK + s32 ret = -1; + + hwm_sensor_data sensor_data; + //map and store data to hwm_sensor_data + sensor_data.values[0] = !!state; + sensor_data.value_divide = 1; + sensor_data.status = SENSOR_STATUS_ACCURACY_MEDIUM; + //report to the up-layer + ret = hwmsen_get_interrupt_data(ID_PROXIMITY, &sensor_data); + if (ret) { + GTP_ERROR("Call hwmsen_get_interrupt_data fail = %d\n", ret); + } +#else + input_report_abs(gt1x_ps_dev->input_dev, ABS_DISTANCE, !!state); + input_sync(gt1x_ps_dev->input_dev); +#endif /* End PLATFROM_MTK */ + + GTP_INFO("Report proximity state: %s", state == PS_FARAWAY? "FARAWAY":"NEAR"); +} + +static s32 gt1x_ps_enable(s32 enable) +{ + u8 state; + s32 ret = -1; + + GTP_INFO("Proximity function to be %s.", enable ? "on" : "off"); + state = enable ? 1 : 0; + if (gt1x_chip_type == CHIP_TYPE_GT1X) + ret = gt1x_i2c_write(GTP_REG_PROXIMITY_ENABLE, &state, 1); + else if (gt1x_chip_type == CHIP_TYPE_GT2X) + ret = gt1x_send_cmd(state ? 0x12 : 0x13, 0); + if (ret) { + GTP_ERROR("GTP %s proximity cmd failed.", state ? "enable" : "disable"); + } + + if (!ret && enable) { + gt1x_ps_dev->enabled = 1; + } else { + gt1x_ps_dev->enabled = 0; + } + gt1x_ps_dev->state = PS_FARAWAY; + GTP_INFO("Proximity function %s %s.", state ? "enable" : "disable", ret ? "fail" : "success"); + return ret; +} + +int gt1x_prox_event_handler(u8 * data) +{ + u8 ps = 0; + + if (gt1x_ps_dev && gt1x_ps_dev->enabled) { + ps = (data[0] & 0x60) ? 0 : 1; + if (ps != gt1x_ps_dev->state) { + gt1x_ps_report(ps); + gt1x_ps_dev->state = ps; + GTP_DEBUG("REG INDEX[0x814E]:0x%02X\n", data[0]); + } + + return (ps == PS_NEAR? 1 : 0); + } + return -1; +} + +#ifdef PLATFORM_MTK +static inline s32 gt1x_get_ps_value(void) +{ + return gt1x_ps_dev->state; +} + +static s32 gt1x_ps_operate(void *self, u32 command, void *buff_in, s32 size_in, void *buff_out, s32 size_out, s32 * actualout) +{ + s32 err = 0; + s32 value; + hwm_sensor_data *sensor_data; + + GTP_INFO("psensor operator cmd:%d", command); + switch (command) { + case SENSOR_DELAY: + if ((buff_in == NULL) || (size_in < sizeof(int))) { + GTP_ERROR("Set delay parameter error!"); + err = -EINVAL; + } + // Do nothing + break; + + case SENSOR_ENABLE: + if ((buff_in == NULL) || (size_in < sizeof(int))) { + GTP_ERROR("Enable sensor parameter error!"); + err = -EINVAL; + } else { + value = *(int *)buff_in; + err = gt1x_ps_enable(value); + } + + break; + + case SENSOR_GET_DATA: + if ((buff_out == NULL) || (size_out < sizeof(hwm_sensor_data))) { + GTP_ERROR("Get sensor data parameter error!"); + err = -EINVAL; + } else { + sensor_data = (hwm_sensor_data *) buff_out; + sensor_data->values[0] = gt1x_get_ps_value(); + sensor_data->value_divide = 1; + sensor_data->status = SENSOR_STATUS_ACCURACY_MEDIUM; + } + + break; + + default: + GTP_ERROR("proxmy sensor operate function no this parameter %d!\n", command); + err = -1; + break; + } + + return err; +} +#endif + +#ifndef PLATFORM_MTK +static ssize_t gt1x_ps_enable_show(struct kobject *kobj, struct kobj_attribute *attr, + char *buf) { + return scnprintf(buf, PAGE_SIZE, "%d", gt1x_ps_dev->enabled); +} + +static ssize_t gt1x_ps_enable_store(struct kobject *kobj, struct kobj_attribute *attr, + const char *buf, size_t count) { + unsigned int input; + if(sscanf(buf, "%u", &input) != 1) { + return -EINVAL; + } + if(input == 1) { + gt1x_ps_enable(1); + gt1x_ps_report(PS_FARAWAY); + } else if(input == 0) { + gt1x_ps_report(PS_FARAWAY); + gt1x_ps_enable(0); + } else { + return -EINVAL; + } + return count; +} + +static ssize_t gt1x_ps_state_show(struct kobject *kobj, struct kobj_attribute *attr, + char *buf) { + return scnprintf(buf, PAGE_SIZE, "%d", gt1x_ps_dev->state); +} + +static ssize_t gt1x_ps_state_store(struct kobject *kobj, struct kobj_attribute *attr, + const char *buf, size_t count) { + unsigned int input; + if(sscanf(buf, "%u", &input) != 1) { + return -EINVAL; + } + + if (!gt1x_ps_dev->enabled) { + return -EINVAL; + } + + if(input == 1) { + gt1x_ps_dev->state = PS_FARAWAY; + } else if(input == 0) { + gt1x_ps_dev->state = PS_NEAR; + } else { + return -EINVAL; + } + + gt1x_ps_report(gt1x_ps_dev->state); + return count; +} + +static struct kobj_attribute ps_attrs[] = { + __ATTR(enable, S_IWUGO | S_IRUGO, gt1x_ps_enable_show, gt1x_ps_enable_store), + __ATTR(state, S_IWUGO | S_IRUGO, gt1x_ps_state_show, gt1x_ps_state_store) +}; + +#endif /* End PLATFORM_MTK */ + +static int gt1x_ps_init(void) +{ + int err; + + gt1x_ps_dev = kzalloc(sizeof(struct gt1x_ps_device), GFP_KERNEL); + if (!gt1x_ps_dev) { + return -ENOMEM; + } + + gt1x_ps_dev->state = PS_FARAWAY; + +#ifdef PLATFORM_MTK + gt1x_ps_dev->obj_ps.polling = 0; //0--interrupt mode;1--polling mode; + gt1x_ps_dev->obj_ps.sensor_operate = gt1x_ps_operate; + + if ((err = hwmsen_attach(ID_PROXIMITY, >1x_ps_dev->obj_ps))) { + GTP_ERROR("hwmsen attach fail, return:%d.", err); + goto err_exit; + } + + GTP_INFO("hwmsen attach OK."); + return 0; +#else + gt1x_ps_dev->input_dev = input_allocate_device(); + if(!gt1x_ps_dev->input_dev) { + GTP_ERROR("Failed to alloc inpput device for proximity!"); + err = -ENOMEM; + goto err_exit; + } + + gt1x_ps_dev->input_dev->name = GTP_PS_DEV_NAME; + gt1x_ps_dev->input_dev->phys = "goodix/proximity"; + gt1x_ps_dev->input_dev->id.bustype = BUS_I2C; + gt1x_ps_dev->input_dev->id.vendor = 0xDEED; + gt1x_ps_dev->input_dev->id.product = 0xBEEF; + gt1x_ps_dev->input_dev->id.version = 1; + set_bit(EV_ABS, gt1x_ps_dev->input_dev->evbit); + input_set_abs_params(gt1x_ps_dev->input_dev, ABS_DISTANCE, 0, 1, 0, 0); + + err = input_register_device(gt1x_ps_dev->input_dev); + if(err) { + GTP_ERROR("Failed to register proximity input device: %s!", gt1x_ps_dev->input_dev->name); + goto err_register_dev; + } + /* register sysfs interface */ + if (!sysfs_rootdir) { + sysfs_rootdir = kobject_create_and_add("goodix", NULL); + if(!sysfs_rootdir){ + GTP_ERROR("Failed to create and add sysfs interface: goodix."); + err = -ENOMEM; + goto err_register_dev; + } + } + + gt1x_ps_dev->kobj = kobject_create_and_add("proximity", sysfs_rootdir); + if(!gt1x_ps_dev->kobj){ + GTP_ERROR("Failed to create and add sysfs interface: proximity."); + err = -ENOMEM; + goto err_register_dev; + } + // create sysfs files + { + int i; + for(i = 0; i < sizeof(ps_attrs)/sizeof(ps_attrs[0]); i++) { + if((err = sysfs_create_file(gt1x_ps_dev->kobj, &ps_attrs[i].attr))) { + goto err_create_file; + } + } + } + + GTP_INFO("Proximity sensor init OK."); + return 0; +err_create_file: + kobject_put(gt1x_ps_dev->kobj); +err_register_dev: + input_free_device(gt1x_ps_dev->input_dev); +#endif /* End PLATFROM_MTK */ + +err_exit: + kfree(gt1x_ps_dev); + gt1x_ps_dev = NULL; + return err; +} + +static void gt1x_ps_deinit(void) +{ + if(gt1x_ps_dev) { +#ifndef PLATFORM_MTK + int i = 0; + for(; i < sizeof(ps_attrs) / sizeof(ps_attrs[0]); i++) { + sysfs_remove_file(gt1x_ps_dev->kobj, &ps_attrs[i].attr); + } + kobject_del(gt1x_ps_dev->kobj); + input_free_device(gt1x_ps_dev->input_dev); +#endif + kfree(gt1x_ps_dev); + } +} + +#endif /*GTP_PROXIMITY */ + +/** + * ESD Protect Module + */ +#if GTP_ESD_PROTECT +static int esd_work_cycle = 200; +static struct delayed_work esd_check_work; +static int esd_running = 0; +static struct mutex esd_lock; +static void gt1x_esd_check_func(struct work_struct *); + +void gt1x_init_esd_protect(void) +{ + esd_work_cycle = 2 * HZ; // HZ: clock ticks in 1 second generated by system + GTP_DEBUG("Clock ticks for an esd cycle: %d", esd_work_cycle); + INIT_DELAYED_WORK(&esd_check_work, gt1x_esd_check_func); + mutex_init(&esd_lock); +} + +static void gt1x_deinit_esd_protect(void) +{ + gt1x_esd_switch(SWITCH_OFF); +} + +void gt1x_esd_switch(s32 on) +{ + mutex_lock(&esd_lock); + if (SWITCH_ON == on) { /* switch on esd check */ + if (!esd_running) { + esd_running = 1; + GTP_INFO("Esd protector started!"); + queue_delayed_work(gt1x_workqueue, &esd_check_work, esd_work_cycle); + } + } else { /* switch off esd check */ + if (esd_running) { + esd_running = 0; + GTP_INFO("Esd protector stoped!"); + cancel_delayed_work(&esd_check_work); + } + } + mutex_unlock(&esd_lock); +} + +static void gt1x_esd_check_func(struct work_struct *work) +{ + s32 i = 0; + s32 ret = -1; + u8 esd_buf[4] = { 0 }; + + if (!esd_running) { + GTP_INFO("Esd protector suspended!"); + return; + } + + for (i = 0; i < 3; i++) { + ret = gt1x_i2c_read(GTP_REG_CMD, esd_buf, 4); + GTP_DEBUG("[Esd]0x8040 = 0x%02X, 0x8043 = 0x%02X", esd_buf[0], esd_buf[3]); + if (!ret && esd_buf[0] != 0xAA && esd_buf[3] == 0xAA) { + break; + } + msleep(50); + } + + if (likely(i < 3)) { + /* IC works normally, Write 0x8040 0xAA, feed the watchdog */ + gt1x_send_cmd(GTP_CMD_ESD, 0); + } else { + if (esd_running) { + GTP_ERROR("IC works abnormally! Process reset guitar."); + memset(esd_buf, 0x01, sizeof(esd_buf)); + gt1x_i2c_write(0x4226, esd_buf, sizeof(esd_buf)); + msleep(50); + + gt1x_power_reset(); + } else { + GTP_INFO("Esd protector suspended, no need reset!"); + } + } + + mutex_lock(&esd_lock); + if (esd_running) { + queue_delayed_work(gt1x_workqueue, &esd_check_work, esd_work_cycle); + } else { + GTP_INFO("Esd protector suspended!"); + } + mutex_unlock(&esd_lock); +} +#endif + +/** + * Smart Cover Module + */ +#if GTP_SMART_COVER +struct smart_cover_device{ + int enabled; + int state; // 0:cover faraway 1:near + int suspended; // suspended or woring + struct kobject *kobj; + u8 config[GTP_CONFIG_MAX_LENGTH]; + int cfg_len; +}; +static struct smart_cover_device *gt1x_sc_dev; + +/** + * gt1x_smart_cover_update_state - update smart cover config + */ +static int gt1x_smart_cover_update_state(void) +{ + int ret = 0; + struct smart_cover_device *dev = gt1x_sc_dev; + + if (!dev) { + return -ENODEV; + } + + if(!dev->suspended) { + if(dev->state) { /* near */ + ret = gt1x_send_cfg(dev->config, dev->cfg_len); + } else { + #if GTP_CHARGER_SWITCH + gt1x_charger_config(1); // charger detector module check and + // send a config + #else + ret = gt1x_send_cfg(gt1x_config, gt1x_cfg_length); + #endif + } + GTP_DEBUG("Update cover state %s.", dev->state ? "Nearby" : "Far away"); + } else { + GTP_DEBUG("TP is suspended, do nothing."); + } + return ret; +} + +static ssize_t smart_cover_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) +{ + struct smart_cover_device *dev = gt1x_sc_dev; + + if (!dev) { + return -ENODEV; + } + + return scnprintf(buf, PAGE_SIZE, "%d", dev->state); +} + +static ssize_t smart_cover_store(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t count) +{ + struct smart_cover_device *dev = gt1x_sc_dev; + int s = (buf[0] - '0'); + + if (!dev || !dev->enabled || s > 1 || s == dev->state) { + return count; + } + + dev->state = s; + gt1x_smart_cover_update_state(); + + return count; +} + +/** + * gt1x_parse_sc_cfg - parse smart cover config + * @sensor_id: sensor id of the hardware + */ +int gt1x_parse_sc_cfg(int sensor_id) +{ +#undef _cfg_array_ +#define _cfg_array_(n) GTP_SMART_COVER_CFG_GROUP##n + + u8 *cfg; + int *len; + + if (!gt1x_sc_dev) + return -ENODEV; + cfg = gt1x_sc_dev->config; + len = >1x_sc_dev->cfg_len; + +#if GTP_DRIVER_SEND_CFG + do{ + u8 cfg_grp0[] = _cfg_array_(0); + u8 cfg_grp1[] = _cfg_array_(1); + u8 cfg_grp2[] = _cfg_array_(2); + u8 cfg_grp3[] = _cfg_array_(3); + u8 cfg_grp4[] = _cfg_array_(4); + u8 cfg_grp5[] = _cfg_array_(5); + u8 *cfgs[] = { + cfg_grp0, cfg_grp1, cfg_grp2, + cfg_grp3, cfg_grp4, cfg_grp5 + }; + u8 cfg_lens[] = { + CFG_GROUP_LEN(cfg_grp0), CFG_GROUP_LEN(cfg_grp1), + CFG_GROUP_LEN(cfg_grp2), CFG_GROUP_LEN(cfg_grp3), + CFG_GROUP_LEN(cfg_grp4), CFG_GROUP_LEN(cfg_grp5) + }; + + if (sensor_id >= sizeof(cfgs) / sizeof(cfgs[0])) { + GTP_ERROR("Invalid sensor id."); + return -1; + } + + *len = cfg_lens[sensor_id]; + if (*len == 0 || *len != gt1x_cfg_length) { + memset(cfg, 0, GTP_CONFIG_MAX_LENGTH); + *len = 0; + GTP_ERROR("Length of config is incorrect."); + return -1; + } + + memcpy(cfg, cfgs[sensor_id], cfg_lens[sensor_id]); + + cfg[0] &= 0x7F; + set_reg_bit(cfg[TRIGGER_LOC], 0, gt1x_int_type); + set_reg_bit(cfg[MODULE_SWITCH3_LOC], 5, !gt1x_wakeup_level); + }while(0); +#endif + return 0; +} + + +static struct kobj_attribute sc_attr = + __ATTR(state, S_IWUGO | S_IRUGO, smart_cover_show, smart_cover_store); +static int gt1x_smart_cover_init(void) +{ + int err = 0; + + gt1x_sc_dev = kzalloc(sizeof(struct smart_cover_device), GFP_KERNEL); + if (!gt1x_sc_dev) { + GTP_ERROR("SmartCover init failed in step: 1."); + return -ENOMEM; + } + + gt1x_sc_dev->enabled = 1; + gt1x_parse_sc_cfg(gt1x_version.sensor_id); + + if (!sysfs_rootdir) { + // this kobject is shared between modules, do not free it when error occur + sysfs_rootdir = kobject_create_and_add(GOODIX_SYSFS_DIR, NULL); + if (!sysfs_rootdir) { + err = -2; + goto exit_free_mem; + } + } + + if (!gt1x_sc_dev->kobj) + gt1x_sc_dev->kobj = kobject_create_and_add("smartcover", sysfs_rootdir); + if (!gt1x_sc_dev->kobj) { + err = -3; + goto exit_free_mem; + } + + if(sysfs_create_file(gt1x_sc_dev->kobj, &sc_attr.attr)) { + err = -4; + goto exit_put_kobj; + } + + GTP_INFO("SmartCover module init OK."); + return 0; + +exit_put_kobj: + kobject_put(gt1x_sc_dev->kobj); +exit_free_mem: + kfree(gt1x_sc_dev); + gt1x_sc_dev = NULL; + GTP_ERROR("SmartCover init failed in step:%d", -err); + return err; +} + +static void gt1x_smart_cover_deinit(void) +{ + if (!gt1x_sc_dev) { + return; + } + + kobject_del(gt1x_sc_dev->kobj); + kfree(gt1x_sc_dev); + gt1x_sc_dev = NULL; +} +#endif + +/** + * Charger Detect & Switch Module + */ +#if GTP_CHARGER_SWITCH +static u8 gt1x_config_charger[GTP_CONFIG_MAX_LENGTH] = { 0 }; +static struct delayed_work charger_switch_work; +static int charger_work_cycle = 200; +static spinlock_t charger_lock; +static int charger_running = 0; +static void gt1x_charger_work_func(struct work_struct *); + +/** + * gt1x_parse_chr_cfg - parse charger config + * @sensor_id: sensor id of the hardware + * Return: 0: succeed, <0 error + */ +int gt1x_parse_chr_cfg(int sensor_id) +{ +#undef _cfg_array_ +#define _cfg_array_(n) GTP_CHARGER_CFG_GROUP##n + + u8 *cfg; + int len; + cfg = gt1x_config_charger; + +#if GTP_DRIVER_SEND_CFG + do{ + u8 cfg_grp0[] = _cfg_array_(0); + u8 cfg_grp1[] = _cfg_array_(1); + u8 cfg_grp2[] = _cfg_array_(2); + u8 cfg_grp3[] = _cfg_array_(3); + u8 cfg_grp4[] = _cfg_array_(4); + u8 cfg_grp5[] = _cfg_array_(5); + u8 *cfgs[] = { + cfg_grp0, cfg_grp1, cfg_grp2, + cfg_grp3, cfg_grp4, cfg_grp5 + }; + u8 cfg_lens[] = { + CFG_GROUP_LEN(cfg_grp0), CFG_GROUP_LEN(cfg_grp1), + CFG_GROUP_LEN(cfg_grp2), CFG_GROUP_LEN(cfg_grp3), + CFG_GROUP_LEN(cfg_grp4), CFG_GROUP_LEN(cfg_grp5) + }; + + if (sensor_id >= sizeof(cfgs) / sizeof(cfgs[0])) { + return -1; + } + + len = cfg_lens[sensor_id]; + if (len == 0 || len != gt1x_cfg_length) { + memset(cfg, 0, GTP_CONFIG_MAX_LENGTH); + GTP_ERROR("Length of config is incorrect."); + return -1; + } + + memcpy(cfg, cfgs[sensor_id], cfg_lens[sensor_id]); + + cfg[0] &= 0x7F; + cfg[RESOLUTION_LOC] = (u8) gt1x_abs_x_max; + cfg[RESOLUTION_LOC + 1] = (u8) (gt1x_abs_x_max >> 8); + cfg[RESOLUTION_LOC + 2] = (u8) gt1x_abs_y_max; + cfg[RESOLUTION_LOC + 3] = (u8) (gt1x_abs_y_max >> 8); + + set_reg_bit(cfg[TRIGGER_LOC], 0, gt1x_int_type); + set_reg_bit(cfg[MODULE_SWITCH3_LOC], 5, !gt1x_wakeup_level); + }while(0); +#endif + return 0; +} + + +static void gt1x_init_charger(void) +{ + charger_work_cycle = 2 * HZ; // HZ: clock ticks in 1 second generated by system + GTP_DEBUG("Clock ticks for an charger cycle: %d", charger_work_cycle); + INIT_DELAYED_WORK(&charger_switch_work, gt1x_charger_work_func); + spin_lock_init(&charger_lock); + + if (gt1x_parse_chr_cfg(gt1x_version.sensor_id) < 0) { + GTP_ERROR("Error occured when parse charger config."); + } +} + +/** + * gt1x_charger_switch - switch states of charging work thread + * + * @on: SWITCH_ON - start work thread, SWITCH_OFF: stop . + * + */ +void gt1x_charger_switch(s32 on) +{ + spin_lock(&charger_lock); + if (SWITCH_ON == on) { + if (!charger_running) { + charger_running = 1; + spin_unlock(&charger_lock); + GTP_INFO("Charger checker started!"); + queue_delayed_work(gt1x_workqueue, &charger_switch_work, charger_work_cycle); + } else { + spin_unlock(&charger_lock); + } + } else { + if (charger_running) { + charger_running = 0; + spin_unlock(&charger_lock); + cancel_delayed_work(&charger_switch_work); + GTP_INFO("Charger checker stoped!"); + } else { + spin_unlock(&charger_lock); + } + } +} + +/** + * gt1x_charger_config - check and update charging status configuration + * @dir_update + * 0: check before send charging status configuration + * 1: directly send charging status configuration + * + */ +void gt1x_charger_config(s32 dir_update) +{ + static u8 chr_pluggedin = 0; + +#if GTP_SMART_COVER + if (gt1x_sc_dev && gt1x_sc_dev->enabled + && gt1x_sc_dev->state) { + return; + } +#endif + + if (gt1x_get_charger_status()) { + if (!chr_pluggedin || dir_update) { + GTP_INFO("Charger Plugin."); + if (gt1x_send_cfg(gt1x_config_charger, gt1x_cfg_length)) { + GTP_ERROR("Send config for Charger Plugin failed!"); + } + if (gt1x_send_cmd(GTP_CMD_CHARGER_ON, 0)) { + GTP_ERROR("Update status for Charger Plugin failed!"); + } + chr_pluggedin = 1; + } + } else { + if (chr_pluggedin || dir_update) { + GTP_INFO("Charger Plugout."); + if (gt1x_send_cfg(gt1x_config, gt1x_cfg_length)) { + GTP_ERROR("Send config for Charger Plugout failed!"); + } + if (gt1x_send_cmd(GTP_CMD_CHARGER_OFF, 0)) { + GTP_ERROR("Update status for Charger Plugout failed!"); + } + chr_pluggedin = 0; + } + } +} + +static void gt1x_charger_work_func(struct work_struct *work) +{ + if (!charger_running) { + GTP_INFO("Charger checker suspended!"); + return; + } + + gt1x_charger_config(0); + + GTP_DEBUG("Charger check done!"); + if (charger_running) { + queue_delayed_work(gt1x_workqueue, &charger_switch_work, charger_work_cycle); + } +} +#endif + +int gt1x_suspend(void) +{ + s32 ret = -1; +#if GTP_HOTKNOT && !HOTKNOT_BLOCK_RW + u8 buf[1] = { 0 }; +#endif + + if (update_info.status) { + return 0; + } +#if GTP_SMART_COVER + if (gt1x_sc_dev) { + gt1x_sc_dev->suspended = 1; + } +#endif + GTP_INFO("Suspend start..."); +#if GTP_PROXIMITY + if (gt1x_ps_dev && gt1x_ps_dev->enabled) { + GTP_INFO("proximity is detected!"); + return 0; + } +#endif + +#if GTP_HOTKNOT + if (hotknot_enabled) { +#if HOTKNOT_BLOCK_RW + if (hotknot_paired_flag) { + GTP_INFO("hotknot is paired!"); + return 0; + } +#else + ret = gt1x_i2c_read_dbl_check(GTP_REG_HN_PAIRED, buf, sizeof(buf)); + if ((!ret && buf[0] == 0x55) || hotknot_transfer_mode) { + GTP_DEBUG("0x81AA: 0x%02X", buf[0]); + GTP_INFO("hotknot is paired!"); + return 0; + } +#endif + } +#endif + + gt1x_halt = 1; +#if GTP_ESD_PROTECT + gt1x_esd_switch(SWITCH_OFF); +#endif +#if GTP_CHARGER_SWITCH + gt1x_charger_switch(SWITCH_OFF); +#endif + gt1x_irq_disable(); + +#if GTP_GESTURE_WAKEUP + gesture_clear_wakeup_data(); + if (gesture_enabled) { + gesture_enter_doze(); + gt1x_irq_enable(); + gt1x_halt = 0; + } else +#endif + { + ret = gt1x_enter_sleep(); + if (ret < 0) { + GTP_ERROR("Suspend failed."); + } + } + + /* to avoid waking up while not sleeping + delay 48 + 10ms to ensure reliability */ + msleep(58); + GTP_INFO("Suspend end..."); + return 0; +} + +int gt1x_resume(void) +{ + s32 ret = -1; + + if (update_info.status) { + return 0; + } + +#if GTP_SMART_COVER + if (gt1x_sc_dev) { + gt1x_sc_dev->suspended = 0; + } +#endif + GTP_INFO("Resume start..."); + +#if GTP_PROXIMITY + if (gt1x_ps_dev && gt1x_ps_dev->enabled) { + GTP_INFO("Proximity is on!"); + return 0; + } +#endif + +#if GTP_HOTKNOT + if (hotknot_enabled) { + #if HOTKNOT_BLOCK_RW + if (hotknot_paired_flag) { + hotknot_paired_flag = 0; + GTP_INFO("Hotknot is paired!"); + return 0; + } + #endif + } +#endif + +#if GTP_GESTURE_WAKEUP + /* just return 0 if IC does not suspend */ + if (!gesture_enabled && !gt1x_halt) + return 0; +#else + if (!gt1x_halt) + return 0; +#endif + + ret = gt1x_wakeup_sleep(); + if (ret < 0) { + GTP_ERROR("Resume failed."); + } +#if GTP_HOTKNOT + if (!hotknot_enabled) { + gt1x_send_cmd(GTP_CMD_HN_EXIT_SLAVE, 0); + } +#endif + +#if GTP_CHARGER_SWITCH + gt1x_charger_config(0); + gt1x_charger_switch(SWITCH_ON); +#endif + + gt1x_halt = 0; + gt1x_irq_enable(); + +#if GTP_ESD_PROTECT + gt1x_esd_switch(SWITCH_ON); +#endif + + GTP_DEBUG("Resume end."); + return 0; +} + +s32 gt1x_init(void) +{ + s32 ret = -1; + s32 retry = 0; + u8 reg_val[1]; + + /* power on */ + gt1x_power_switch(SWITCH_ON); + + while (retry++ < 5) { + gt1x_init_failed = 0; + /* reset ic */ + ret = gt1x_reset_guitar(); + if (ret != 0) { + GTP_ERROR("Reset guitar failed!"); + continue; + } + + /* check main system firmware */ + ret = gt1x_i2c_read_dbl_check(GTP_REG_FW_CHK_MAINSYS, reg_val, 1); + if (ret != 0) { + continue; + } else if (reg_val[0] != 0xBE) { + GTP_ERROR("Check main system not pass[0x%2X].", reg_val[0]); + gt1x_init_failed = 1; + } + +#if !GTP_AUTO_UPDATE + /* debug info */ + ret = gt1x_i2c_read_dbl_check(GTP_REG_FW_CHK_SUBSYS, reg_val, 1); + if (!ret && reg_val[0] == 0xAA) { + GTP_ERROR("Check subsystem not pass[0x%2X].", reg_val[0]); + } +#endif + break; + } + + /* if the initialization fails, set default setting */ + ret |= gt1x_init_failed; + if (ret) { + GTP_ERROR("Init failed, use default setting"); + gt1x_abs_x_max = GTP_MAX_WIDTH; + gt1x_abs_y_max = GTP_MAX_HEIGHT; + gt1x_int_type = GTP_INT_TRIGGER; + gt1x_wakeup_level = GTP_WAKEUP_LEVEL; + } + + /* get chip type */ + ret = gt1x_get_chip_type(); + if (ret != 0) { + GTP_ERROR("Get chip type failed!"); + } + + /* read version information */ + ret = gt1x_read_version(>1x_version); + if (ret != 0) { + GTP_ERROR("Get verision failed!"); + } + + + /* init and send configs */ + ret = gt1x_init_panel(); + if (ret != 0) { + GTP_ERROR("Init panel failed."); + } + + gt1x_workqueue = create_singlethread_workqueue("gt1x_workthread"); + if (gt1x_workqueue == NULL) { + GTP_ERROR("Create workqueue failed!"); + } + +/* init auxiliary node and functions */ + gt1x_init_debug_node(); + +#if GTP_CREATE_WR_NODE + gt1x_init_tool_node(); +#endif + +#if GTP_GESTURE_WAKEUP || GTP_HOTKNOT + gt1x_init_node(); +#endif + +#if GTP_PROXIMITY + gt1x_ps_init(); +#endif + +#if GTP_CHARGER_SWITCH + gt1x_init_charger(); + gt1x_charger_config(1); + gt1x_charger_switch(SWITCH_ON); +#endif + +#if GTP_SMART_COVER + gt1x_smart_cover_init(); +#endif + +#if GTP_WITH_STYLUS + gt1x_pen_init(); +#endif + + return ret; +} + +void gt1x_deinit(void) +{ + gt1x_deinit_debug_node(); + +#if GTP_GESTURE_WAKEUP || GTP_HOTKNOT + gt1x_deinit_node(); +#endif + +#if GTP_CREATE_WR_NODE + gt1x_deinit_tool_node(); +#endif + +#if GTP_ESD_PROTECT + gt1x_deinit_esd_protect(); +#endif + +#if GTP_CHARGER_SWITCH + gt1x_charger_switch(SWITCH_OFF); +#endif + +#if GTP_PROXIMITY + gt1x_ps_deinit(); +#endif + +#if GTP_SMART_COVER + gt1x_smart_cover_deinit(); +#endif + + if (sysfs_rootdir) { + kobject_del(sysfs_rootdir); + sysfs_rootdir = NULL; + } + + if (gt1x_workqueue) { + destroy_workqueue(gt1x_workqueue); + } + +} + diff --git a/drivers/amlogic/input/touchscreen/goodix_gt1x/gt1x_generic.h b/drivers/amlogic/input/touchscreen/goodix_gt1x/gt1x_generic.h new file mode 100644 index 000000000000..3c9ec77afd80 --- /dev/null +++ b/drivers/amlogic/input/touchscreen/goodix_gt1x/gt1x_generic.h @@ -0,0 +1,579 @@ +/* drivers/input/touchscreen/gt1x_generic.h + * + * 2010 - 2014 Goodix Technology. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be a reference + * to you, when you are integrating the GOODiX's CTP IC into your system, + * 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. + * + * Version: 1.4 + * Release Date: 2015/07/10 + */ + +#ifndef _GT1X_GENERIC_H_ +#define _GT1X_GENERIC_H_ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#ifdef CONFIG_HAS_EARLYSUSPEND +#include +#endif + +/********* Device Tree Support *********/ +#ifdef CONFIG_OF +#define GTP_CONFIG_OF +#endif +/***************************PART1:ON/OFF define*******************************/ +#define GTP_INCELL_PANEL 0 +#define GTP_DRIVER_SEND_CFG 1 // send config to TP while initializing (for no config built in TP's flash) +#define GTP_CUSTOM_CFG 0 // customize resolution & interrupt trigger mode + +#define GTP_CHANGE_X2Y 0 // exchange xy +#define GTP_WARP_X_ON 0 +#define GTP_WARP_Y_ON 0 + +#define GTP_GESTURE_WAKEUP 0 // gesture wakeup module +/* buffer used to store ges track points coor. */ +#define GES_BUFFER_ADDR 0xA2A0 // GT1151 +//#define GES_BUFFER_ADDR 0x8A40 // GT9L +//#define GES_BUFFER_ADDR 0x9734 // GT1152 +//#define GES_BUFFER_ADDR 0xBDA8 // GT9286 +#ifndef GES_BUFFER_ADDR +#warning [GOODIX] need define GES_BUFFER_ADDR . +#endif +#define KEY_GES_REGULAR KEY_F2 // regular gesture-key +#define KEY_GES_CUSTOM KEY_F3 //customize gesture-key + +#define GTP_HOTKNOT 0 // hotknot module +#define HOTKNOT_TYPE 0 // 0: hotknot in flash; 1: hotknot in driver +#define HOTKNOT_BLOCK_RW 0 // + +#define GTP_AUTO_UPDATE 0 // auto update FW to TP FLASH while initializing +#define GTP_HEADER_FW_UPDATE 0 // firmware in gt1x_firmware.h +#define GTP_FW_UPDATE_VERIFY 0 // verify fw when updating + +#define GTP_HAVE_TOUCH_KEY 0 // touch key support +#define GTP_WITH_STYLUS 0 // pen support +#define GTP_HAVE_STYLUS_KEY 0 // + +#define GTP_POWER_CTRL_SLEEP 0 // turn off power on suspend +#define GTP_ICS_SLOT_REPORT 0 +#define GTP_CREATE_WR_NODE 1 // create the interface to support gtp_tools + +#define GTP_PROXIMITY 0 // proximity module (function as the p-sensor) +#define GTP_SMART_COVER 0 // smart cover module + +#define GTP_ESD_PROTECT 0 // esd-protection module (with a cycle of 2 seconds) +#define GTP_CHARGER_SWITCH 0 // charger plugin & plugout detect + +#define GTP_DEBUG_ON 1 // enable log printed by GTP_DEBUG(...) +#define GTP_DEBUG_ARRAY_ON 0 +#define GTP_DEBUG_FUNC_ON 0 + +/***************************PART2:TODO define**********************************/ +/* Normal Configs + * TODO: puts the config info corresponded to your TP here, the following is just + * a sample config, send this config should cause the chip cannot work normally + */ +#define CFG_GROUP_LEN(p_cfg_grp) (sizeof(p_cfg_grp) / sizeof(p_cfg_grp[0])) +/* TODO define your config for Sensor_ID == 0 here, if needed */ +#define GTP_CFG_GROUP0 {\ +0x93,0xE0,0x01,0x56,0x03,0x05,0x05,0x01,0x01,0x00,\ +0x00,0x05,0x50,0x3C,0x53,0x11,0x00,0x00,0x00,0x00,\ +0x14,0x14,0x14,0x22,0x0A,0x04,0x00,0x00,0x00,0x00,\ +0x00,0x00,0x53,0x00,0x14,0x00,0x00,0x84,0x00,0x00,\ +0x3C,0x19,0x19,0x64,0x1E,0x28,0x8B,0x2B,0x0C,0x32,\ +0x34,0x05,0x0D,0x20,0x33,0x60,0x13,0x02,0x24,0x00,\ +0x00,0x64,0x80,0x80,0x14,0x02,0x00,0x00,0x54,0xC5,\ +0x26,0xA5,0x2E,0x90,0x36,0x80,0x3F,0x75,0x47,0x6C,\ +0x00,0x00,0x00,0x18,0x38,0x50,0x00,0xF0,0x50,0x3C,\ +0xFF,0xFF,0x07,0x00,0x00,0x00,0x02,0x14,0x14,0x03,\ +0x04,0x00,0x21,0x64,0x0A,0x00,0x00,0x00,0x00,0x00,\ +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\ +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\ +0x32,0x20,0x50,0x3C,0x3C,0x00,0x00,0x00,0x00,0x00,\ +0x04,0x0A,0x03,0x09,0x02,0x08,0x01,0x0B,0x06,0x0D,\ +0x0C,0x05,0xFF,0xFF,0x00,0x01,0x02,0x03,0x04,0x05,\ +0x06,0x07,0x08,0x09,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F,\ +0x10,0x11,0x12,0x13,0x14,0x15,0xFF,0xFF,0xFF,0xFF,\ +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\ +0x00,0x00,0x00,0x00,0x3C,0x00,0x05,0x1E,0x00,0x02,\ +0x2A,0x1E,0x19,0x14,0x02,0x00,0x03,0x0A,0x05,0x00,\ +0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,0x86,\ +0x22,0x03,0x00,0x00,0x33,0x00,0x0F,0x00,0x00,0x00,\ +0x50,0x3C,0x50,0x00,0x00,0x00,0xBE,0xB2,0x01\ +} +/* TODO define your config for Sensor_ID == 1 here, if needed */ +#define GTP_CFG_GROUP1 {\ + } +/* TODO define your config for Sensor_ID == 2 here, if needed */ +#define GTP_CFG_GROUP2 {\ + } +/* TODO define your config for Sensor_ID == 3 here, if needed */ +#define GTP_CFG_GROUP3 {\ + } +/* TODO define your config for Sensor_ID == 4 here, if needed */ +#define GTP_CFG_GROUP4 {\ + } +/* TODO define your config for Sensor_ID == 5 here, if needed */ +#define GTP_CFG_GROUP5 {\ + } + +/* + * Charger Configs +*/ +/* TODO define your config for Sensor_ID == 0 here, if needed */ +#define GTP_CHARGER_CFG_GROUP0 {\ + 0x45,0x1C,0x02,0xC0,0x03,0x05,0x3D,0x10,0x00,0x08,\ + 0x00,0x05,0x50,0x28,0x5E,0x00,0x11,0x00,0x00,0x00,\ + 0x28,0x80,0x87,0xFE,0xC8,0x00,0x00,0x00,0x00,0x00,\ + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x00,0x00,\ + 0x00,0x00,0x00,0x00,0x00,0x00,0x87,0x26,0x17,0x64,\ + 0x66,0xDF,0x07,0x91,0x31,0x18,0x0C,0x43,0x24,0x00,\ + 0x06,0x3C,0x8C,0x80,0x94,0x02,0x05,0x08,0x04,0xC2,\ + 0x49,0xA4,0x56,0x8E,0x63,0x80,0x71,0x75,0x7E,0x6E,\ + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\ + 0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x0F,0x23,0x04,\ + 0x0F,0x10,0x42,0xD8,0x0F,0x00,0x0F,0x00,0x00,0x00,\ + 0x00,0x00,0xFF,0xFF,0x04,0x00,0x00,0x00,0x00,0x00,\ + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\ + 0x00,0x00,0x00,0x05,0x1E,0x00,0x70,0x17,0x50,0x1E,\ + 0x08,0x09,0x0A,0x0B,0x0C,0x0F,0x0E,0x10,0x0D,0x12,\ + 0x13,0x1F,0x1E,0x1D,0x1C,0x1B,0x1A,0x19,0x18,0x17,\ + 0x16,0x15,0x14,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,\ + 0xFF,0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,\ + 0x09,0x0A,0x0B,0x0C,0x0D,0xFF,0xFF,0xFF,0xFF,0x00,\ + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\ + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\ + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC8,0x00,0x00,\ + 0x00,0xD0,0x24,0x1E,0x6D,0x00,0x14,0x28,0x00,0x00,\ + 0x10,0x00,0x00,0x00,0x00,0x00,0x6A,0xC3,0x01\ +} +/* TODO define your config for Sensor_ID == 1 here, if needed */ +#define GTP_CHARGER_CFG_GROUP1 {\ +} +/* TODO define your config for Sensor_ID == 2 here, if needed */ +#define GTP_CHARGER_CFG_GROUP2 {\ +} +/* TODO define your config for Sensor_ID == 3 here, if needed */ +#define GTP_CHARGER_CFG_GROUP3 {\ +} +/* TODO define your config for Sensor_ID == 4 here, if needed */ +#define GTP_CHARGER_CFG_GROUP4 {\ +} +/* TODO define your config for Sensor_ID == 5 here, if needed */ +#define GTP_CHARGER_CFG_GROUP5 {\ +} + +/* + * Smart Cover Configs +*/ +/* TODO define your config for Sendor_ID == 0 here, if needed */ +#define GTP_SMART_COVER_CFG_GROUP0 {\ + 0x46,0xD0,0x02,0x64,0x02,0x05,0xBD,0x10,0x00,0x08,0x00,0x0F,0x50,0x28,0x5E,\ + 0x02,0x11,0x00,0x00,0x00,0x28,0x82,0x96,0xFC,0xC8,0x00,0x00,0x00,0x00,0x00,\ + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\ + 0x00,0x87,0x26,0x0B,0x64,0x66,0xDF,0x07,0x91,0x31,0x18,0x0E,0x43,0x24,0x00,\ + 0x04,0x28,0x6E,0x80,0x94,0x02,0x05,0x08,0x04,0xDA,0x33,0xAF,0x3F,0x92,0x4A,\ + 0x7F,0x56,0x71,0x62,0x66,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\ + 0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x0F,0x19,0x04,0x0F,0x10,0x42,0xD8,0x0F,\ + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0x04,0x00,0x00,0x00,0x00,0x00,\ + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x05,0x1E,\ + 0x00,0x70,0x17,0x50,0x1E,0x08,0x09,0x0A,0x0B,0x0C,0x0F,0x0E,0x10,0x0D,0x12,\ + 0x13,0x1F,0x1E,0x1D,0x1C,0x1B,0x1A,0x19,0x18,0x17,0x16,0x15,0x14,0xFF,0xFF,\ + 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,\ + 0x09,0x0A,0x0B,0x0C,0x0D,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,\ + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\ + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC8,0x00,0x00,0x00,0x00,0x24,0x1E,0x6D,\ + 0x00,0x14,0x28,0x00,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x9E,0x29,0x01\ +} +/* TODO define your config for Sendor_ID == 0 here, if needed */ +#define GTP_SMART_COVER_CFG_GROUP1 {\ +} +/* TODO define your config for Sendor_ID == 0 here, if needed */ +#define GTP_SMART_COVER_CFG_GROUP2 {\ +} +/* TODO define your config for Sendor_ID == 0 here, if needed */ +#define GTP_SMART_COVER_CFG_GROUP3 {\ +} +/* TODO define your config for Sendor_ID == 0 here, if needed */ +#define GTP_SMART_COVER_CFG_GROUP4 {\ +} +/* TODO define your config for Sendor_ID == 0 here, if needed */ +#define GTP_SMART_COVER_CFG_GROUP5 {\ +} + +#if GTP_CUSTOM_CFG +#define GTP_MAX_HEIGHT 854 +#define GTP_MAX_WIDTH 480 +#define GTP_INT_TRIGGER 1 //0:Rising 1:Falling +#define GTP_WAKEUP_LEVEL 1 +#else +#define GTP_MAX_HEIGHT 4096 +#define GTP_MAX_WIDTH 4096 +#define GTP_INT_TRIGGER 1 +#define GTP_WAKEUP_LEVEL 1 +#endif + +#define GTP_MAX_TOUCH 10 + +#if GTP_WITH_STYLUS +#define GTP_STYLUS_KEY_TAB {BTN_STYLUS, BTN_STYLUS2} +#endif + +#if GTP_HAVE_TOUCH_KEY +#define GTP_KEY_TAB {KEY_BACK, KEY_HOMEPAGE, KEY_MENU, KEY_SEARCH} +#define GTP_MAX_KEY_NUM 4 +#endif + +/****************************PART3:OTHER define*********************************/ +#define GTP_DRIVER_VERSION "V1.4<2015/07/10>" +#define GTP_I2C_NAME "Goodix-TS" +#define GT1X_DEBUG_PROC_FILE "gt1x_debug" +#define GTP_POLL_TIME 10 +#define GTP_ADDR_LENGTH 2 +#define GTP_CONFIG_MIN_LENGTH 186 +#define GTP_CONFIG_MAX_LENGTH 240 +#define GTP_MAX_I2C_XFER_LEN 250 +#define SWITCH_OFF 0 +#define SWITCH_ON 1 + +#define GTP_REG_MATRIX_DRVNUM 0x8069 +#define GTP_REG_MATRIX_SENNUM 0x806A +#define GTP_REG_RQST 0x8044 +#define GTP_REG_BAK_REF 0x90EC +#define GTP_REG_MAIN_CLK 0x8020 +#define GTP_REG_HAVE_KEY 0x8057 +#define GTP_REG_HN_STATE 0x8800 + +#define GTP_REG_WAKEUP_GESTURE 0x814C +#define GTP_REG_WAKEUP_GESTURE_DETAIL 0xA2A0 // need change + +#define GTP_BAK_REF_PATH "/data/gt1x_ref.bin" +#define GTP_MAIN_CLK_PATH "/data/gt1x_clk.bin" + +/* request type */ +#define GTP_RQST_CONFIG 0x01 +#define GTP_RQST_BAK_REF 0x02 +#define GTP_RQST_RESET 0x03 +#define GTP_RQST_MAIN_CLOCK 0x04 +#define GTP_RQST_HOTKNOT_CODE 0x20 +#define GTP_RQST_RESPONDED 0x00 +#define GTP_RQST_IDLE 0xFF + +#define HN_DEVICE_PAIRED 0x80 +#define HN_MASTER_DEPARTED 0x40 +#define HN_SLAVE_DEPARTED 0x20 +#define HN_MASTER_SEND 0x10 +#define HN_SLAVE_RECEIVED 0x08 + +/*Register define */ +#define GTP_READ_COOR_ADDR 0x814E +#define GTP_REG_CMD 0x8040 +#define GTP_REG_SENSOR_ID 0x814A +#define GTP_REG_CONFIG_DATA 0x8050 +#define GTP_REG_CONFIG_RESOLUTION 0x8051 +#define GTP_REG_CONFIG_TRIGGER 0x8056 +#define GTP_REG_CONFIG_CHECKSUM 0x813C +#define GTP_REG_CONFIG_UPDATE 0x813E +#define GTP_REG_VERSION 0x8140 +#define GTP_REG_HW_INFO 0x4220 +#define GTP_REG_REFRESH_RATE 0x8056 +#define GTP_REG_ESD_CHECK 0x8043 +#define GTP_REG_FLASH_PASSBY 0x8006 +#define GTP_REG_HN_PAIRED 0x81AA +#define GTP_REG_HN_MODE 0x81A8 +#define GTP_REG_MODULE_SWITCH3 0x8058 +#define GTP_REG_FW_CHK_MAINSYS 0x41E4 +#define GTP_REG_FW_CHK_SUBSYS 0x5095 + +#define set_reg_bit(reg,pos,val) ((reg)=((reg) & (~(1<<(pos))))|(!!(val)<<(pos))) + +/* cmd define */ +#define GTP_CMD_SLEEP 0x05 +#define GTP_CMD_CHARGER_ON 0x06 +#define GTP_CMD_CHARGER_OFF 0x07 +#define GTP_CMD_GESTURE_WAKEUP 0x08 +#define GTP_CMD_CLEAR_CFG 0x10 +#define GTP_CMD_ESD 0xAA +#define GTP_CMD_HN_TRANSFER 0x22 +#define GTP_CMD_HN_EXIT_SLAVE 0x28 + +/* define offset in the config*/ +#define RESOLUTION_LOC (GTP_REG_CONFIG_RESOLUTION - GTP_REG_CONFIG_DATA) +#define TRIGGER_LOC (GTP_REG_CONFIG_TRIGGER - GTP_REG_CONFIG_DATA) +#define MODULE_SWITCH3_LOC (GTP_REG_MODULE_SWITCH3 - GTP_REG_CONFIG_DATA) + +#define GTP_I2C_ADDRESS 0xBA + +#if GTP_WARP_X_ON +#define GTP_WARP_X(x_max, x) ( x_max - 1 - x ) +#else +#define GTP_WARP_X(x_max, x) x +#endif + +#if GTP_WARP_Y_ON +#define GTP_WARP_Y(y_max, y) ( y_max - 1 - y ) +#else +#define GTP_WARP_Y(y_max, y) y +#endif + +#define IS_NUM_OR_CHAR(x) (((x) >= 'A' && (x) <= 'Z') || ((x) >= '0' && (x) <= '9')) + +//Log define +#define GTP_INFO(fmt,arg...) printk("<>[%s:%d] "fmt"\n", __func__, __LINE__, ##arg) +#define GTP_ERROR(fmt,arg...) printk("<>[%s:%d] "fmt"\n", __func__, __LINE__, ##arg) +#define GTP_DEBUG(fmt,arg...) do{\ + if(GTP_DEBUG_ON)\ + printk("<>[%s:%d]"fmt"\n",__func__, __LINE__, ##arg);\ + }while(0) +#define GTP_DEBUG_ARRAY(array, num) do{\ + s32 i;\ + u8* a = array;\ + if(GTP_DEBUG_ARRAY_ON)\ + {\ + printk("<>");\ + for (i = 0; i < (num); i++)\ + {\ + printk("%02x ", (a)[i]);\ + if ((i + 1 ) %10 == 0)\ + {\ + printk("\n<>");\ + }\ + }\ + printk("\n");\ + }\ + }while(0) +#define GTP_DEBUG_FUNC() do{\ + if(GTP_DEBUG_FUNC_ON)\ + printk("<> Func:%s@Line:%d\n",__func__,__LINE__);\ + }while(0) + +#define GTP_SWAP(x, y) do{\ + typeof(x) z = x;\ + x = y;\ + y = z;\ + }while (0) + +#pragma pack(1) +struct gt1x_version_info { + u8 product_id[5]; + u32 patch_id; + u32 mask_id; + u8 sensor_id; + u8 match_opt; +}; +#pragma pack() + +typedef enum { + DOZE_DISABLED = 0, + DOZE_ENABLED = 1, + DOZE_WAKEUP = 2, +} DOZE_T; + +typedef enum { + CHIP_TYPE_GT1X = 0, + CHIP_TYPE_GT2X = 1, + CHIP_TYPE_NONE = 0xFF +} CHIP_TYPE_T; + +#define _ERROR(e) ((0x01 << e) | (0x01 << (sizeof(s32) * 8 - 1))) +#define ERROR _ERROR(1) //for common use +//system relevant +#define ERROR_IIC _ERROR(2) //IIC communication error. +#define ERROR_MEM _ERROR(3) //memory error. + +//system irrelevant +#define ERROR_HN_VER _ERROR(10) //HotKnot version error. +#define ERROR_CHECK _ERROR(11) //Compare src and dst error. +#define ERROR_RETRY _ERROR(12) //Too many retries. +#define ERROR_PATH _ERROR(13) //Mount path error +#define ERROR_FW _ERROR(14) +#define ERROR_FILE _ERROR(15) +#define ERROR_VALUE _ERROR(16) //Illegal value of variables + +/* bit operation */ +#define SET_BIT(data, flag) ((data) |= (flag)) +#define CLR_BIT(data, flag) ((data) &= ~(flag)) +#define CHK_BIT(data, flag) ((data) & (flag)) + +/* touch states */ +#define BIT_TOUCH 0x01 +#define BIT_TOUCH_KEY 0x02 +#define BIT_STYLUS 0x04 +#define BIT_STYLUS_KEY 0x08 +#define BIT_HOVER 0x10 + +#include +struct i2c_msg; + +/* Export global variables and functions */ + +/* Export from gt1x_extents.c and gt1x_firmware.h */ +#if GTP_HOTKNOT +extern u8 hotknot_enabled; +extern u8 hotknot_transfer_mode; +extern u8 gt1x_patch_jump_fw[]; +extern u8 hotknot_auth_fw[]; +extern u8 hotknot_transfer_fw[]; +#if HOTKNOT_BLOCK_RW +extern s32 hotknot_paired_flag; +extern s32 hotknot_event_handler(u8 * data); +#endif +#endif //GTP_HOTKNOT + +extern s32 gt1x_init_node(void); +extern void gt1x_deinit_node(void); + +#if GTP_GESTURE_WAKEUP +extern DOZE_T gesture_doze_status; +extern int gesture_enabled; +extern void gt1x_gesture_debug(int on) ; +extern s32 gesture_event_handler(struct input_dev *dev); +extern s32 gesture_enter_doze(void); +extern void gesture_clear_wakeup_data(void); +#endif + +/* Export from gt1x_tpd.c */ +extern void gt1x_touch_down(s32 x, s32 y, s32 size, s32 id); +extern void gt1x_touch_up(s32 id); +extern int gt1x_power_switch(s32 state); +extern void gt1x_irq_enable(void); +extern void gt1x_irq_disable(void); +extern int gt1x_debug_proc(u8 * buf, int count); + +struct fw_update_info { + int update_type; + int status; + int progress; + int max_progress; + int force_update; + struct fw_info *firmware; + u32 fw_length; + + // file update + char *fw_name; + u8 *buffer; + mm_segment_t old_fs; + struct file *fw_file; + + // header update + u8 *fw_data; +}; + +/* Export form gt1x_update.c */ +extern struct fw_update_info update_info; + +extern u8 gt1x_default_FW[]; +extern int gt1x_hold_ss51_dsp(void); +extern int gt1x_auto_update_proc(void *data); +extern int gt1x_update_firmware(void *filename); +extern void gt1x_enter_update_mode(void); +extern void gt1x_leave_update_mode(void); +extern int gt1x_hold_ss51_dsp_no_reset(void); +extern int gt1x_load_patch(u8 * patch, u32 patch_size, int offset, int bank_size); +extern int gt1x_startup_patch(void); + +/* Export from gt1x_tool.c */ +#if GTP_CREATE_WR_NODE +extern int gt1x_init_tool_node(void); +extern void gt1x_deinit_tool_node(void); +#endif + +/* Export from gt1x_generic.c */ +extern struct i2c_client *gt1x_i2c_client; + +extern CHIP_TYPE_T gt1x_chip_type; +extern struct gt1x_version_info gt1x_version; + +extern s32 _do_i2c_read(struct i2c_msg *msgs, u16 addr, u8 * buffer, s32 len); +extern s32 _do_i2c_write(struct i2c_msg *msg, u16 addr, u8 * buffer, s32 len); +extern s32 gt1x_i2c_write(u16 addr, u8 * buffer, s32 len); +extern s32 gt1x_i2c_read(u16 addr, u8 * buffer, s32 len); +extern s32 gt1x_i2c_read_dbl_check(u16 addr, u8 * buffer, s32 len); + +extern u8 gt1x_config[]; +extern u32 gt1x_cfg_length; +extern u8 gt1x_int_type; +extern u8 gt1x_wakeup_level; +extern u32 gt1x_abs_x_max; +extern u32 gt1x_abs_y_max; +extern u8 gt1x_init_failed; +extern int gt1x_halt; +extern volatile int gt1x_rawdiff_mode; + +extern s32 gt1x_init(void); +extern void gt1x_deinit(void); +extern s32 gt1x_read_version(struct gt1x_version_info *ver_info); +extern s32 gt1x_init_panel(void); +extern s32 gt1x_get_chip_type(void); +extern s32 gt1x_request_event_handler(void); +extern int gt1x_send_cmd(u8 cmd, u8 data); +extern s32 gt1x_send_cfg(u8 * config, int cfg_len); +extern void gt1x_select_addr(void); +extern s32 gt1x_reset_guitar(void); +extern void gt1x_power_reset(void); +extern int gt1x_parse_config(char *filename, u8 * gt1x_config); +extern s32 gt1x_touch_event_handler(u8 * data, struct input_dev *dev, struct input_dev *pen_dev); +extern int gt1x_suspend(void); +extern int gt1x_resume(void); + +#if GTP_HAVE_TOUCH_KEY +extern const u16 gt1x_touch_key_array[]; +#endif + +#if GTP_WITH_STYLUS +extern struct input_dev *pen_dev; +extern void gt1x_pen_up(s32 id); +extern void gt1x_pen_down(s32 x, s32 y, s32 size, s32 id); +#endif + +#if GTP_PROXIMITY +extern u8 gt1x_proximity_flag; +extern int gt1x_prox_event_handler(u8 * data); +#endif + +#if GTP_SMART_COVER +extern int gt1x_parse_sc_cfg(int sensor_id); +#endif + +#if GTP_ESD_PROTECT +extern void gt1x_init_esd_protect(void); +extern void gt1x_esd_switch(s32 on); +#endif + +#if GTP_CHARGER_SWITCH +extern u32 gt1x_get_charger_status(void); +extern void gt1x_charger_switch(s32 on); +extern void gt1x_charger_config(s32 dir_update); +extern int gt1x_parse_chr_cfg(int sensor_id); +#endif + +#endif // _GT1X_GENERIC_H_ + diff --git a/drivers/amlogic/input/touchscreen/goodix_gt1x/gt1x_tools.c b/drivers/amlogic/input/touchscreen/goodix_gt1x/gt1x_tools.c new file mode 100644 index 000000000000..1ea20a441304 --- /dev/null +++ b/drivers/amlogic/input/touchscreen/goodix_gt1x/gt1x_tools.c @@ -0,0 +1,438 @@ +/* drivers/input/touchscreen/goodix_tool.c + * + * 2010 - 2014 Goodix Technology. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be a reference + * to you, when you are integrating the GOODiX's CTP IC into your system, + * 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. + * + * Version: 1.4 + * Release Date: 2015/07/10 + */ + +#include +#include +#include +#include +#include "gt1x_generic.h" + +static ssize_t gt1x_tool_read(struct file *filp, char __user * buffer, size_t count, loff_t * ppos); +static ssize_t gt1x_tool_write(struct file *filp, const char *buffer, size_t count, loff_t * ppos); + + +static int gt1x_tool_release(struct inode *inode, struct file *filp); +static int gt1x_tool_open(struct inode *inode,struct file *file); + +#pragma pack(1) +typedef struct { + u8 wr; //write read flagŁ¬0:R 1:W 2:PID 3: + u8 flag; //0:no need flag/int 1: need flag 2:need int + u8 flag_addr[2]; //flag address + u8 flag_val; //flag val + u8 flag_relation; //flag_val:flag 0:not equal 1:equal 2:> 3:< + u16 circle; //polling cycle + u8 times; //plling times + u8 retry; //I2C retry times + u16 delay; //delay befor read or after write + u16 data_len; //data length + u8 addr_len; //address length + u8 addr[2]; //address + u8 res[3]; //reserved + u8 *data; //data pointer +} st_cmd_head; +#pragma pack() +static st_cmd_head cmd_head; + +static s32 DATA_LENGTH; +static s8 IC_TYPE[16] = "GT1X"; + +#define UPDATE_FUNCTIONS +#define DATA_LENGTH_UINT 512 +#define CMD_HEAD_LENGTH (sizeof(st_cmd_head) - sizeof(u8*)) + +static char procname[20] = { 0 }; + +static struct proc_dir_entry *gt1x_tool_proc_entry; +static struct file_operations gt1x_tool_fops = { + .read = gt1x_tool_read, + .write = gt1x_tool_write, + .open = gt1x_tool_open, + .release = gt1x_tool_release, + .owner = THIS_MODULE, +}; + +static void set_tool_node_name(char *procname) +{ + + int v0 = 0, v1 = 0, v2 = 0; + + sscanf(UTS_RELEASE, "%d.%d.%d", &v0, &v1, &v2); + sprintf(procname, "gmnode%02d%02d%02d", v0, v1, v2); +} + +int gt1x_init_tool_node(void) +{ + DATA_LENGTH = 0; + memset(&cmd_head, 0, sizeof(cmd_head)); + cmd_head.wr = 1; //if the first operation is read, will return fail. + cmd_head.data = kzalloc(DATA_LENGTH_UINT, GFP_KERNEL); + if (NULL == cmd_head.data) { + GTP_ERROR("Apply for memory failed."); + return -1; + } + GTP_INFO("Alloc memory size:%d.", DATA_LENGTH_UINT); + DATA_LENGTH = DATA_LENGTH_UINT - GTP_ADDR_LENGTH; + + set_tool_node_name(procname); + + gt1x_tool_proc_entry = proc_create(procname, 0666, NULL, >1x_tool_fops); + if (gt1x_tool_proc_entry == NULL) { + GTP_ERROR("CAN't create proc entry /proc/%s.", procname); + return -1; + } else { + GTP_INFO("Created proc entry /proc/%s.", procname); + } + return 0; +} + +void gt1x_deinit_tool_node(void) +{ + remove_proc_entry(procname, NULL); + kfree(cmd_head.data); + cmd_head.data = NULL; +} + +static s32 tool_i2c_read(u8 * buf, u16 len) +{ + u16 addr = (buf[0] << 8) + buf[1]; + if (!gt1x_i2c_read(addr, &buf[2], len)) { + return 1; + } + return -1; +} + +static s32 tool_i2c_write(u8 * buf, u16 len) +{ + u16 addr = (buf[0] << 8) + buf[1]; + if (!gt1x_i2c_write(addr, &buf[2], len - 2)) { + return 1; + } + return -1; +} + +static u8 relation(u8 src, u8 dst, u8 rlt) +{ + u8 ret = 0; + + switch (rlt) { + case 0: + ret = (src != dst) ? true : false; + break; + + case 1: + ret = (src == dst) ? true : false; + GTP_DEBUG("equal:src:0x%02x dst:0x%02x ret:%d.", src, dst, (s32) ret); + break; + + case 2: + ret = (src > dst) ? true : false; + break; + + case 3: + ret = (src < dst) ? true : false; + break; + + case 4: + ret = (src & dst) ? true : false; + break; + + case 5: + ret = (!(src | dst)) ? true : false; + break; + + default: + ret = false; + break; + } + + return ret; +} + +/******************************************************* +Function: + Comfirm function. +Input: + None. +Output: + Return write length. +********************************************************/ +static u8 comfirm(void) +{ + s32 i = 0; + u8 buf[32]; + + memcpy(buf, cmd_head.flag_addr, cmd_head.addr_len); + + for (i = 0; i < cmd_head.times; i++) { + if (tool_i2c_read(buf, 1) <= 0) { + GTP_ERROR("Read flag data failed!"); + return -1; + } + + if (true == relation(buf[GTP_ADDR_LENGTH], cmd_head.flag_val, cmd_head.flag_relation)) { + GTP_DEBUG("value at flag addr:0x%02x.", buf[GTP_ADDR_LENGTH]); + GTP_DEBUG("flag value:0x%02x.", cmd_head.flag_val); + break; + } + + msleep(cmd_head.circle); + } + + if (i >= cmd_head.times) { + GTP_ERROR("Didn't get the flag to continue!"); + return -1; + } + + return 0; +} + +/******************************************************* +Function: + Goodix tool write function. +Input: + standard proc write function param. +Output: + Return write length. +********************************************************/ +static ssize_t gt1x_tool_write(struct file *filp, const char __user * buff, size_t len, loff_t * data) +{ + u64 ret = 0; + GTP_DEBUG_FUNC(); + GTP_DEBUG_ARRAY((u8 *) buff, len); + + ret = copy_from_user(&cmd_head, buff, CMD_HEAD_LENGTH); + if (ret) { + GTP_ERROR("copy_from_user failed."); + } + + GTP_DEBUG("wr :0x%02x.", cmd_head.wr); + /* + GTP_DEBUG("flag:0x%02x.", cmd_head.flag); + GTP_DEBUG("flag addr:0x%02x%02x.", cmd_head.flag_addr[0], cmd_head.flag_addr[1]); + GTP_DEBUG("flag val:0x%02x.", cmd_head.flag_val); + GTP_DEBUG("flag rel:0x%02x.", cmd_head.flag_relation); + GTP_DEBUG("circle :%d.", (s32)cmd_head.circle); + GTP_DEBUG("times :%d.", (s32)cmd_head.times); + GTP_DEBUG("retry :%d.", (s32)cmd_head.retry); + GTP_DEBUG("delay :%d.", (s32)cmd_head.delay); + GTP_DEBUG("data len:%d.", (s32)cmd_head.data_len); + GTP_DEBUG("addr len:%d.", (s32)cmd_head.addr_len); + GTP_DEBUG("addr:0x%02x%02x.", cmd_head.addr[0], cmd_head.addr[1]); + GTP_DEBUG("len:%d.", (s32)len); + GTP_DEBUG("buf[20]:0x%02x.", buff[CMD_HEAD_LENGTH]); + */ + + if (1 == cmd_head.wr) { + u16 addr, data_len, pos; + + if (1 == cmd_head.flag) { + if (comfirm()) { + GTP_ERROR("[WRITE]Comfirm fail!"); + return -1; + } + } else if (2 == cmd_head.flag) { + //Need interrupt! + } + + addr = (cmd_head.addr[0] << 8) + cmd_head.addr[1]; + data_len = cmd_head.data_len; + pos = 0; + while (data_len > 0) { + len = data_len > DATA_LENGTH ? DATA_LENGTH : data_len; + ret = copy_from_user(&cmd_head.data[GTP_ADDR_LENGTH], &buff[CMD_HEAD_LENGTH + pos], len); + if (ret) { + GTP_ERROR("[WRITE]copy_from_user failed."); + return -1; + } + cmd_head.data[0] = ((addr >> 8) & 0xFF); + cmd_head.data[1] = (addr & 0xFF); + + GTP_DEBUG_ARRAY(cmd_head.data, len + GTP_ADDR_LENGTH); + + if (tool_i2c_write(cmd_head.data, len + GTP_ADDR_LENGTH) <= 0) { + GTP_ERROR("[WRITE]Write data failed!"); + return -1; + } + addr += len; + pos += len; + data_len -= len; + } + + if (cmd_head.delay) { + msleep(cmd_head.delay); + } + + return cmd_head.data_len + CMD_HEAD_LENGTH; + } else if (3 == cmd_head.wr) { //gt1x unused + + memcpy(IC_TYPE, cmd_head.data, cmd_head.data_len); + return cmd_head.data_len + CMD_HEAD_LENGTH; + } else if (5 == cmd_head.wr) { //? + + //memcpy(IC_TYPE, cmd_head.data, cmd_head.data_len); + return cmd_head.data_len + CMD_HEAD_LENGTH; + } else if (7 == cmd_head.wr) { //disable irq! + gt1x_irq_disable(); +#if GTP_ESD_PROTECT + gt1x_esd_switch(SWITCH_OFF); +#endif + return CMD_HEAD_LENGTH; + } else if (9 == cmd_head.wr) { //enable irq! + gt1x_irq_enable(); +#if GTP_ESD_PROTECT + gt1x_esd_switch(SWITCH_ON); +#endif + return CMD_HEAD_LENGTH; + } else if (17 == cmd_head.wr) { + ret = copy_from_user(&cmd_head.data[GTP_ADDR_LENGTH], &buff[CMD_HEAD_LENGTH], cmd_head.data_len); + if (ret) { + GTP_ERROR("copy_from_user failed."); + return -1; + } + + if (cmd_head.data[GTP_ADDR_LENGTH]) { + GTP_DEBUG("gtp enter rawdiff."); + gt1x_rawdiff_mode = true; + } else { + gt1x_rawdiff_mode = false; + GTP_DEBUG("gtp leave rawdiff."); + } + + return CMD_HEAD_LENGTH; + } else if (11 == cmd_head.wr) { + gt1x_enter_update_mode(); + } else if (13 == cmd_head.wr) { + gt1x_leave_update_mode(); + } else if (15 == cmd_head.wr) { + struct task_struct *thrd = NULL; + memset(cmd_head.data, 0, cmd_head.data_len + 1); + memcpy(cmd_head.data, &buff[CMD_HEAD_LENGTH], cmd_head.data_len); + GTP_DEBUG("update firmware, filename: %s", cmd_head.data); + thrd = kthread_run(gt1x_update_firmware, (void *)cmd_head.data, "GT1x FW Update"); + if (IS_ERR(thrd)) { + return PTR_ERR(thrd); + } + } + return CMD_HEAD_LENGTH; +} + +static u8 devicecount = 0; +static int gt1x_tool_open(struct inode *inode,struct file *file) +{ + if (devicecount > 0) { + return -ERESTARTSYS; + GTP_ERROR("tools open failed!"); + } + + devicecount++; + return 0; +} + +static int gt1x_tool_release(struct inode *inode, struct file *filp) +{ + devicecount--; + return 0; +} +/******************************************************* +Function: + Goodix tool read function. +Input: + standard proc read function param. +Output: + Return read length. +********************************************************/ +static ssize_t gt1x_tool_read(struct file *filp, char __user * buffer, size_t count, loff_t * ppos) +{ + GTP_DEBUG_FUNC(); + if(*ppos) { + GTP_DEBUG("[PARAM]size: %zd, *ppos: %d", count, (int)*ppos); + *ppos = 0; + return 0; + } + + if (cmd_head.wr % 2) { + GTP_ERROR("[READ] invaild operator fail!"); + return -1; + } else if (!cmd_head.wr) { + /* general i2c read */ + u16 addr, data_len, len, loc; + + if (1 == cmd_head.flag) { + if (comfirm()) { + GTP_ERROR("[READ]Comfirm fail!"); + return -1; + } + } else if (2 == cmd_head.flag) { + //Need interrupt! + } + + addr = (cmd_head.addr[0] << 8) + cmd_head.addr[1]; + data_len = cmd_head.data_len; + loc = 0; + + GTP_DEBUG("[READ] ADDR:0x%04X.", addr); + GTP_DEBUG("[READ] Length: %d", data_len); + + if (cmd_head.delay) { + msleep(cmd_head.delay); + } + + while (data_len > 0) { + len = data_len > DATA_LENGTH ? DATA_LENGTH : data_len; + cmd_head.data[0] = (addr >> 8) & 0xFF; + cmd_head.data[1] = (addr & 0xFF); + if (tool_i2c_read(cmd_head.data, len) <= 0) { + GTP_ERROR("[READ]Read data failed!"); + return -1; + } + memcpy(&buffer[loc], &cmd_head.data[GTP_ADDR_LENGTH], len); + data_len -= len; + addr += len; + loc += len; + GTP_DEBUG_ARRAY(&cmd_head.data[GTP_ADDR_LENGTH], len); + } + *ppos += cmd_head.data_len; + return cmd_head.data_len; + } else if (2 == cmd_head.wr) { + GTP_DEBUG("Return ic type:%s len:%d.", buffer, (s32) cmd_head.data_len); + return -1; + } else if (4 == cmd_head.wr) { + /* read fw update progress */ + buffer[0] = update_info.progress >> 8; + buffer[1] = update_info.progress & 0xff; + buffer[2] = update_info.max_progress >> 8; + buffer[3] = update_info.max_progress & 0xff; + *ppos += 4; + return 4; + } else if (6 == cmd_head.wr) { + //Read error code! + return -1; + } else if (8 == cmd_head.wr) { + /* Read driver version */ + s32 tmp_len; + tmp_len = strlen(GTP_DRIVER_VERSION); + memcpy(buffer, GTP_DRIVER_VERSION, tmp_len); + buffer[tmp_len] = 0; + *ppos += tmp_len + 1; + return (tmp_len + 1); + } + *ppos += cmd_head.data_len; + return cmd_head.data_len; +} diff --git a/drivers/amlogic/input/touchscreen/goodix_gt1x/gt1x_update.c b/drivers/amlogic/input/touchscreen/goodix_gt1x/gt1x_update.c new file mode 100644 index 000000000000..b3de6b6ec123 --- /dev/null +++ b/drivers/amlogic/input/touchscreen/goodix_gt1x/gt1x_update.c @@ -0,0 +1,1471 @@ +/* drivers/input/touchscreen/gt1x_update.c + * + * 2010 - 2014 Goodix Technology. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be a reference + * to you, when you are integrating the GOODiX's CTP IC into your system, + * 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. + * + * Version: 1.4 + * Release Date: 2015/07/10 + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "gt1x_generic.h" +#if (GTP_HOTKNOT || GTP_HEADER_FW_UPDATE) +#include "gt1x_firmware.h" +#endif + +#define UPDATE_FILE_PATH_1 "/data/_goodix_update_.bin" +#define UPDATE_FILE_PATH_2 "/sdcard/_goodix_update_.bin" + +#define CONFIG_FILE_PATH_1 "/data/_gt1x_config_.cfg" +#define CONFIG_FILE_PATH_2 "/sdcard/_gt1x_config_.cfg" + +#define FOUND_FW_PATH_1 0x01 +#define FOUND_FW_PATH_2 0x02 +#define FOUND_CFG_PATH_1 0x04 +#define FOUND_CFG_PATH_2 0x08 + +#define PACK_SIZE 256 + +// hardware register define +#define _bRW_MISCTL__SRAM_BANK 0x4048 +#define _bRW_MISCTL__MEM_CD_EN 0x4049 +#define _bRW_MISCTL__CACHE_EN 0x404B +#define _bRW_MISCTL__TMR0_EN 0x40B0 +#define _rRW_MISCTL__SWRST_B0_ 0x4180 +#define _bWO_MISCTL__CPU_SWRST_PULSE 0x4184 +#define _rRW_MISCTL__BOOTCTL_B0_ 0x4190 +#define _rRW_MISCTL__BOOT_OPT_B0_ 0x4218 +#define _rRW_MISCTL__BOOT_CTL_ 0x5094 +#define _bRW_MISCTL__DSP_MCU_PWR_ 0x4010 +#define _bRW_MISCTL__PATCH_AREA_EN_ 0x404D + +/* + 1. firmware structure + header: 128b + + offset size content + 0 4 firmware length + 4 2 checksum + 6 6 target MASK name + 12 3 target MASK version + 15 6 TP subsystem PID + 21 3 TP subsystem version + 24 1 subsystem count + 25 1 chip type 0x91: GT1X, 0x92: GT2X + 26 6 reserved + 32 8 subsystem info[0] + 32 8 subsystem info[1] + ..... + 120 8 subsystem info[11] + + body: followed header + + 128 N0 subsystem[0] + 128+N0 N1 subsystem[1] + .... + + 2. subsystem info structure + offset size content + 0 1 subsystem type + 1 2 subsystem length + 3 2 stored address in flash addr = value * 256 + 5 3 reserved + +*/ + +#define FW_HEAD_SIZE 128 +#define FW_HEAD_SUBSYSTEM_INFO_SIZE 8 +#define FW_HEAD_OFFSET_SUBSYSTEM_INFO_BASE 32 + +#define FW_SECTION_TYPE_SS51_ISP 0x01 +#define FW_SECTION_TYPE_SS51_PATCH 0x02 +#define FW_SECTION_TYPE_SS51_PATCH_OVERLAY 0x03 +#define FW_SECTION_TYPE_DSP 0x04 +#define FW_SECTION_TYPE_HOTKNOT 0x05 +#define FW_SECTION_TYPE_GESTURE 0x06 +#define FW_SECTION_TYPE_GESTURE_OVERLAY 0x07 +#define FW_SECTION_TYPE_FLASHLESS_FAST_POWER 0x08 + +#define UPDATE_TYPE_HEADER 0 +#define UPDATE_TYPE_FILE 1 + +#define UPDATE_STATUS_IDLE 0 +#define UPDATE_STATUS_RUNNING 1 +#define UPDATE_STATUS_ABORT 2 + +struct fw_subsystem_info { + int type; + int length; + u32 address; + int offset; +}; + +#pragma pack(1) +struct fw_info { + u32 length; + u16 checksum; + u8 target_mask[6]; + u8 target_mask_version[3]; + u8 pid[6]; + u8 version[3]; + u8 subsystem_count; + u8 chip_type; + u8 reserved[6]; + struct fw_subsystem_info subsystem[12]; +}; +#pragma pack() + +struct fw_update_info update_info = { + .status = UPDATE_STATUS_IDLE, + .progress = 0, + .max_progress = 9, + .force_update = 0 +}; + +int gt1x_update_prepare(char *filename); +int gt1x_check_firmware(void); +u8 *gt1x_get_fw_data(u32 offset, int length); +int gt1x_update_judge(void); +int gt1x_run_ss51_isp(u8 * ss51_isp, int length); +int gt1x_burn_subsystem(struct fw_subsystem_info *subsystem); +u16 gt1x_calc_checksum(u8 * fw, u32 length); +int gt1x_recall_check(u8 * chk_src, u16 start_rd_addr, u16 chk_length); +void gt1x_update_cleanup(void); +int gt1x_check_subsystem_in_flash(struct fw_subsystem_info *subsystem); +int gt1x_read_flash(u32 addr, int length); +int gt1x_error_erase(void); +void dump_to_file(u16 addr, int length, char *filepath); + +int gt1x_update_firmware(void *filename); +int gt1x_auto_update_proc(void *data); + +#if !GTP_HEADER_FW_UPDATE +static int gt1x_search_update_files(void); +#endif + +int gt1x_hold_ss51_dsp(void); +void gt1x_leave_update_mode(void); + +/** + * @return: return 0 if success, otherwise return a negative number + * which contains the error code. + */ +s32 gt1x_check_fs_mounted(char *path_name) +{ + struct path root_path; + struct path path; + s32 err; + + err = kern_path("/", LOOKUP_FOLLOW, &root_path); + if (err) + return ERROR_PATH; + + err = kern_path(path_name, LOOKUP_FOLLOW, &path); + if (err) { + err = ERROR_PATH; + goto check_fs_fail; + } + + if (path.mnt->mnt_sb == root_path.mnt->mnt_sb) { + // not mounted + err = ERROR_PATH; + } else { + err = 0; + } + + path_put(&path); +check_fs_fail: + path_put(&root_path); + return err; +} + +int gt1x_i2c_write_with_readback(u16 addr, u8 * buffer, int length) +{ + u8 buf[100]; + int ret = gt1x_i2c_write(addr, buffer, length); + if (ret) { + return ret; + } + ret = gt1x_i2c_read(addr, buf, length); + if (ret) { + return ret; + } + if (memcmp(buf, buffer, length)) { + return ERROR_CHECK; + } + return 0; +} + +#define getU32(a) ((u32)getUint((u8 *)(a), 4)) +#define getU16(a) ((u16)getUint((u8 *)(a), 2)) +u32 getUint(u8 * buffer, int len) +{ + u32 num = 0; + int i; + for (i = 0; i < len; i++) { + num <<= 8; + num += buffer[i]; + } + return num; +} + +int gt1x_auto_update_proc(void *data) +{ + +#if GTP_HEADER_FW_UPDATE + GTP_INFO("Start auto update thread..."); + gt1x_update_firmware(NULL); +#else + int ret; + char *filename; + u8 config[GTP_CONFIG_MAX_LENGTH] = { 0 }; + + GTP_INFO("Start auto update thread..."); + ret = gt1x_search_update_files(); + if (ret & (FOUND_FW_PATH_1 | FOUND_FW_PATH_2)) { + if (ret & FOUND_FW_PATH_1) { + filename = UPDATE_FILE_PATH_1; + } else { + filename = UPDATE_FILE_PATH_2; + } + gt1x_update_firmware(filename); + } + + if (ret & (FOUND_CFG_PATH_1 | FOUND_CFG_PATH_2)) { + if (ret & FOUND_CFG_PATH_1) { + filename = CONFIG_FILE_PATH_1; + } else { + filename = CONFIG_FILE_PATH_2; + } + + if (gt1x_parse_config(filename, config) > 0) { + if (gt1x_i2c_write(GTP_REG_CONFIG_DATA, config, GTP_CONFIG_MAX_LENGTH)) { + GTP_ERROR("Update config failed!"); + } else { + GTP_INFO("Update config successfully!"); + } + } + } +#endif + return 0; +} +#if !GTP_HEADER_FW_UPDATE +static int gt1x_search_update_files(void) +{ + int retry = 20 * 2; //wait 10s(max) if fs is not ready + struct file *pfile = NULL; + mm_segment_t old_fs; + int found = 0; + + old_fs = get_fs(); + set_fs(KERNEL_DS); + + GTP_INFO("Search firmware file..."); + while (retry-- > 0) { + msleep(500); + + // check if rootfs is ready + if (gt1x_check_fs_mounted("/data")) { + GTP_DEBUG("filesystem is not ready"); + continue; + } + // search firmware + pfile = filp_open(UPDATE_FILE_PATH_1, O_RDONLY, 0); + if (IS_ERR(pfile)) { + pfile = filp_open(UPDATE_FILE_PATH_2, O_RDONLY, 0); + if (!IS_ERR(pfile)) { + found |= FOUND_FW_PATH_2; + } + } else { + found |= FOUND_FW_PATH_1; + } + + if (!IS_ERR(pfile)) { + filp_close(pfile, NULL); + } + // search config file + pfile = filp_open(CONFIG_FILE_PATH_1, O_RDONLY, 0); + if (IS_ERR(pfile)) { + pfile = filp_open(CONFIG_FILE_PATH_2, O_RDONLY, 0); + if (!IS_ERR(pfile)) { + found |= FOUND_CFG_PATH_2; + } + } else { + found |= FOUND_CFG_PATH_1; + } + if (!IS_ERR(pfile)) { + filp_close(pfile, NULL); + } + + if (found) { + break; + } + + GTP_INFO("Not found firmware or config file, retry."); + } + set_fs(old_fs); + + return found; +} +#endif + +void gt1x_enter_update_mode(void) +{ + GTP_DEBUG("Enter FW update mode."); +#if GTP_ESD_PROTECT + gt1x_esd_switch(SWITCH_OFF); +#endif +#if GTP_CHARGER_SWITCH + gt1x_charger_switch(SWITCH_OFF); +#endif + gt1x_irq_disable(); +} + +int gt1x_update_firmware(void *filename) +{ + int i = 0; + int ret = 0; + u8 *p; + + if (update_info.status != UPDATE_STATUS_IDLE) { + GTP_ERROR("Update process is running!"); + return ERROR; + } + update_info.status = UPDATE_STATUS_RUNNING; + update_info.progress = 0; + + gt1x_enter_update_mode(); + + ret = gt1x_update_prepare(filename); + if (ret) { + update_info.status = UPDATE_STATUS_IDLE; + return ret; + } + + ret = gt1x_check_firmware(); + if (ret) { + update_info.status = UPDATE_STATUS_ABORT; + goto gt1x_update_exit; + } +#if GTP_FW_UPDATE_VERIFY + update_info.max_progress = + 6 + update_info.firmware->subsystem_count; +#else + update_info.max_progress = + 3 + update_info.firmware->subsystem_count; +#endif + update_info.progress++; // 1 + + ret = gt1x_update_judge(); + if (ret) { + update_info.status = UPDATE_STATUS_ABORT; + goto gt1x_update_exit; + } + update_info.progress++; // 2 + + p = gt1x_get_fw_data(update_info.firmware->subsystem[0].offset, update_info.firmware->subsystem[0].length); + if (p == NULL) { + GTP_ERROR("get isp fail"); + ret = ERROR_FW; + update_info.status = UPDATE_STATUS_ABORT; + goto gt1x_update_exit; + } + update_info.progress++; // 3 + + ret = gt1x_run_ss51_isp(p, update_info.firmware->subsystem[0].length); + if (ret) { + GTP_ERROR("run isp fail"); + goto gt1x_update_exit; + } + update_info.progress++; // 4 + msleep(800); + + for (i = 1; i < update_info.firmware->subsystem_count; i++) { + GTP_INFO("subsystem: %d", update_info.firmware->subsystem[i].type); + GTP_INFO("Length: %d", update_info.firmware->subsystem[i].length); + GTP_INFO("Address: %d", update_info.firmware->subsystem[i].address); + + ret = gt1x_burn_subsystem(&(update_info.firmware->subsystem[i])); + if (ret) { + GTP_ERROR("burn subsystem fail!"); + goto gt1x_update_exit; + } + update_info.progress++; + } + +#if GTP_FW_UPDATE_VERIFY + gt1x_reset_guitar(); + + p = gt1x_get_fw_data(update_info.firmware->subsystem[0].offset, update_info.firmware->subsystem[0].length); + if (p == NULL) { + GTP_ERROR("get isp fail"); + ret = ERROR_FW; + goto gt1x_update_exit; + } + update_info.progress++; + + ret = gt1x_run_ss51_isp(p, update_info.firmware->subsystem[0].length); + if (ret) { + GTP_ERROR("run isp fail"); + goto gt1x_update_exit; + } + update_info.progress++; + + GTP_INFO("Reset guitar & check firmware in flash."); + for (i = 1; i < update_info.firmware->subsystem_count; i++) { + GTP_INFO("subsystem: %d", update_info.firmware->subsystem[i].type); + GTP_INFO("Length: %d", update_info.firmware->subsystem[i].length); + GTP_INFO("Address: %d", update_info.firmware->subsystem[i].address); + + ret = gt1x_check_subsystem_in_flash(&(update_info.firmware->subsystem[i])); + if (ret) { + gt1x_error_erase(); + break; + } + } + update_info.progress++; +#endif + +gt1x_update_exit: + gt1x_update_cleanup(); + gt1x_leave_update_mode(); + gt1x_read_version(NULL); + if (ret) { + update_info.progress = 2 * update_info.max_progress; + GTP_ERROR("Update firmware failed!"); + return ret; + } else if (gt1x_init_failed) { + gt1x_read_version(>1x_version); + gt1x_init_panel(); + #if GTP_CHARGER_SWITCH + gt1x_parse_chr_cfg(gt1x_version.sensor_id); + #endif + #if GTP_SMART_COVER + gt1x_parse_sc_cfg(gt1x_version.sensor_id); + #endif + } + GTP_INFO("Update firmware succeefully!"); + return ret; +} + +int gt1x_update_prepare(char *filename) +{ + int ret = 0; + int retry = 5; + if (filename == NULL) { +#if GTP_HEADER_FW_UPDATE + update_info.fw_name = NULL; + update_info.update_type = UPDATE_TYPE_HEADER; + update_info.fw_data = gt1x_default_FW; + update_info.fw_length = sizeof(gt1x_default_FW); +#else + GTP_ERROR("No Fw in .h file!"); + return ERROR_FW; +#endif + } else { + GTP_INFO("Firmware: %s", filename); + update_info.old_fs = get_fs(); + set_fs(KERNEL_DS); + update_info.fw_name = filename; + update_info.update_type = UPDATE_TYPE_FILE; + update_info.fw_file = filp_open(update_info.fw_name, O_RDONLY, 0); + if (IS_ERR(update_info.fw_file)) { + GTP_ERROR("Open update file(%s) error!", update_info.fw_name); + set_fs(update_info.old_fs); + return ERROR_FILE; + } + update_info.fw_file->f_op->llseek(update_info.fw_file, 0, SEEK_SET); + update_info.fw_length = update_info.fw_file->f_op->llseek(update_info.fw_file, 0, SEEK_END); + } + + while (retry > 0) { + retry--; + update_info.firmware = (struct fw_info *)kzalloc(sizeof(struct fw_info), GFP_KERNEL); + if (update_info.firmware == NULL) { + GTP_INFO("Alloc %zu bytes memory fail.", sizeof(struct fw_info)); + continue; + } else { + GTP_INFO("Alloc %zu bytes memory success.", sizeof(struct fw_info)); + break; + } + } + if (retry <= 0) { + ret = ERROR_RETRY; + goto gt1x_update_pre_fail1; + } + + retry = 5; + while (retry > 0) { + update_info.buffer = (u8 *) kzalloc(1024 * 4, GFP_KERNEL); + if (update_info.buffer == NULL) { + GTP_ERROR("Alloc %d bytes memory fail.", 1024 * 4); + continue; + } else { + GTP_INFO("Alloc %d bytes memory success.", 1024 * 4); + break; + } + } + if (retry <= 0) { + ret = ERROR_RETRY; + goto gt1x_update_pre_fail0; + } + + return 0; + +gt1x_update_pre_fail0: + kfree(update_info.firmware); +gt1x_update_pre_fail1: + filp_close(update_info.fw_file, NULL); + return ret; +} + +void gt1x_update_cleanup(void) +{ + if (update_info.update_type == UPDATE_TYPE_FILE) { + if (update_info.fw_file != NULL) { + filp_close(update_info.fw_file, NULL); + update_info.fw_file = NULL; + } + set_fs(update_info.old_fs); + } + + if (update_info.buffer != NULL) { + kfree(update_info.buffer); + update_info.buffer = NULL; + } + if (update_info.firmware != NULL) { + kfree(update_info.firmware); + update_info.firmware = NULL; + } +} + +int gt1x_check_firmware(void) +{ + u16 checksum; + u16 checksum_in_header; + u8 *p; + struct fw_info *firmware; + int i; + int offset; + + // compare file length with the length field in the firmware header + if (update_info.fw_length < FW_HEAD_SIZE) { + GTP_ERROR("Bad firmware!(file length: %d)", update_info.fw_length); + return ERROR_CHECK; + } + p = gt1x_get_fw_data(0, 6); + if (p == NULL) { + return ERROR_FW; + } + + if (getU32(p) + 6 != update_info.fw_length) { + GTP_ERROR("Bad firmware!(file length: %d, header define: %d)", update_info.fw_length, getU32(p)); + return ERROR_CHECK; + } + // check firmware's checksum + checksum_in_header = getU16(&p[4]); + checksum = 0; + for (i = 6; i < update_info.fw_length; i++) { + p = gt1x_get_fw_data(i, 1); + if (p == NULL) { + return ERROR_FW; + } + checksum += p[0]; + } + + if (checksum != checksum_in_header) { + GTP_ERROR("Bad firmware!(checksum: 0x%04X, header define: 0x%04X)", checksum, checksum_in_header); + return ERROR_CHECK; + } + // parse firmware + p = gt1x_get_fw_data(0, FW_HEAD_SIZE); + if (p == NULL) { + return ERROR_FW; + } + memcpy((u8 *) update_info.firmware, p, FW_HEAD_SIZE - 8 * 12); + update_info.firmware->pid[5] = 0; + + p = &p[FW_HEAD_OFFSET_SUBSYSTEM_INFO_BASE]; + firmware = update_info.firmware; + offset = FW_HEAD_SIZE; + for (i = 0; i < firmware->subsystem_count; i++) { + firmware->subsystem[i].type = p[i * FW_HEAD_SUBSYSTEM_INFO_SIZE]; + firmware->subsystem[i].length = getU16(&p[i * FW_HEAD_SUBSYSTEM_INFO_SIZE + 1]); + firmware->subsystem[i].address = getU16(&p[i * FW_HEAD_SUBSYSTEM_INFO_SIZE + 3]) * 256; + firmware->subsystem[i].offset = offset; + offset += firmware->subsystem[i].length; + } + + // print update information + GTP_INFO("Update type: %s", update_info.update_type == UPDATE_TYPE_HEADER ? "Header" : "File"); + GTP_INFO("Firmware length: %d", update_info.fw_length); + GTP_INFO("Firmware product: GT%s", update_info.firmware->pid); + GTP_INFO("Firmware patch: %02X%02X%02X", update_info.firmware->version[0], update_info.firmware->version[1], update_info.firmware->version[2]); + GTP_INFO("Firmware chip: 0x%02X", update_info.firmware->chip_type); + GTP_INFO("Subsystem count: %d", update_info.firmware->subsystem_count); + for (i = 0; i < update_info.firmware->subsystem_count; i++) { + GTP_DEBUG("------------------------------------------"); + GTP_DEBUG("Subsystem: %d", i); + GTP_DEBUG("Type: %d", update_info.firmware->subsystem[i].type); + GTP_DEBUG("Length: %d", update_info.firmware->subsystem[i].length); + GTP_DEBUG("Address: 0x%08X", update_info.firmware->subsystem[i].address); + GTP_DEBUG("Offset: %d", update_info.firmware->subsystem[i].offset); + } + + return 0; +} + +/** + * @return: return a pointer pointed at the content of firmware + * if success, otherwise return NULL. + */ +u8 *gt1x_get_fw_data(u32 offset, int length) +{ + int ret; + if (update_info.update_type == UPDATE_TYPE_FILE) { + update_info.fw_file->f_op->llseek(update_info.fw_file, offset, SEEK_SET); + ret = update_info.fw_file->f_op->read(update_info.fw_file, (char *)update_info.buffer, length, &update_info.fw_file->f_pos); + if (ret < 0) { + GTP_ERROR("Read data error!"); + return NULL; + } + return update_info.buffer; + } else { + return &update_info.fw_data[offset]; + } +} + +int gt1x_update_judge(void) +{ + int ret; + u8 reg_val[2] = {0}; + u8 retry = 2; + struct gt1x_version_info ver_info; + struct gt1x_version_info fw_ver_info; + + fw_ver_info.mask_id = (update_info.firmware->target_mask_version[0] << 16) + | (update_info.firmware->target_mask_version[1] << 8) + | (update_info.firmware->target_mask_version[2]); + fw_ver_info.patch_id = (update_info.firmware->version[0] << 16) + | (update_info.firmware->version[1] << 8) + | (update_info.firmware->version[2]); + memcpy(fw_ver_info.product_id, update_info.firmware->pid, 4); + fw_ver_info.product_id[4] = 0; + + /* check fw status reg */ + do { + ret = gt1x_i2c_read_dbl_check(GTP_REG_FW_CHK_MAINSYS, reg_val, 1); + if (ret < 0) { /* read reg failed */ + goto _reset; + } else if (ret > 0) { + continue; + } + + ret = gt1x_i2c_read_dbl_check(GTP_REG_FW_CHK_SUBSYS, ®_val[1], 1); + if (ret < 0) { + goto _reset; + } else if (ret > 0) { + continue; + } + + break; +_reset: + gt1x_reset_guitar(); + }while (--retry); + + if (!retry) { + GTP_INFO("Update abort because of i2c error."); + return ERROR_CHECK; + } + if (reg_val[0] != 0xBE || reg_val[1] == 0xAA) { + GTP_INFO("Check fw status reg not pass,reg[0x814E]=0x%2X,reg[0x5095]=0x%2X!", + reg_val[0], reg_val[1]); + return 0; + } + + ret = gt1x_read_version(&ver_info); + if (ret < 0) { + GTP_INFO("Get IC's version info failed, force update!"); + return 0; + } + + if (memcmp(fw_ver_info.product_id, ver_info.product_id, 4)) { + GTP_INFO("Product id is not match!"); + return ERROR_CHECK; + } + if ((fw_ver_info.mask_id & 0xFFFFFF00) != (ver_info.mask_id & 0xFFFFFF00)) { + GTP_INFO("Mask id is not match!"); + return ERROR_CHECK; + } + if ((fw_ver_info.patch_id & 0xFF0000) != (ver_info.patch_id & 0xFF0000)){ + GTP_INFO("CID is not equal, need update!"); + return 0; + } +#if GTP_DEBUG_ON + if (update_info.force_update) { + GTP_DEBUG("Debug mode, force update fw."); + return 0; + } +#endif + if ((fw_ver_info.patch_id & 0xFFFF) <= (ver_info.patch_id & 0xFFFF)) { + GTP_INFO("The version of the fw is not high than the IC's!"); + return ERROR_CHECK; + } + return 0; +} + +int __gt1x_hold_ss51_dsp_20(void) +{ + int ret = -1; + int retry = 0; + u8 buf[1]; + int hold_times = 0; + + while (retry++ < 30) { + + // Hold ss51 & dsp + buf[0] = 0x0C; + ret = gt1x_i2c_write(_rRW_MISCTL__SWRST_B0_, buf, 1); + if (ret) { + GTP_ERROR("Hold ss51 & dsp I2C error,retry:%d", retry); + continue; + } + // Confirm hold + buf[0] = 0x00; + ret = gt1x_i2c_read(_rRW_MISCTL__SWRST_B0_, buf, 1); + if (ret) { + GTP_ERROR("Hold ss51 & dsp I2C error,retry:%d", retry); + continue; + } + if (0x0C == buf[0]) { + if (hold_times++ < 20) { + continue; + } else { + break; + } + } + GTP_ERROR("Hold ss51 & dsp confirm 0x4180 failed,value:%d", buf[0]); + } + if (retry >= 30) { + GTP_ERROR("Hold ss51&dsp failed!"); + return ERROR_RETRY; + } + + GTP_INFO("Hold ss51&dsp successfully."); + return 0; +} + +int gt1x_hold_ss51_dsp(void) +{ + int ret = ERROR, retry = 5; + u8 buffer[2]; + + do { + gt1x_select_addr(); + ret = gt1x_i2c_read(0x4220, buffer, 1); + } while (retry-- && ret < 0); + + if (ret < 0) + return ERROR; + + //hold ss51_dsp + ret = __gt1x_hold_ss51_dsp_20(); + if (ret) { + return ret; + } + // enable dsp & mcu power + buffer[0] = 0x00; + ret = gt1x_i2c_write_with_readback(_bRW_MISCTL__DSP_MCU_PWR_, buffer, 1); + if (ret) { + GTP_ERROR("enabel dsp & mcu power fail!"); + return ret; + } + // disable watchdog + buffer[0] = 0x00; + ret = gt1x_i2c_write_with_readback(_bRW_MISCTL__TMR0_EN, buffer, 1); + if (ret) { + GTP_ERROR("disable wdt fail!"); + return ret; + } + // clear cache + buffer[0] = 0x00; + ret = gt1x_i2c_write_with_readback(_bRW_MISCTL__CACHE_EN, buffer, 1); + if (ret) { + GTP_ERROR("clear cache fail!"); + return ret; + } + // soft reset + buffer[0] = 0x01; + ret = gt1x_i2c_write(_bWO_MISCTL__CPU_SWRST_PULSE, buffer, 1); + if (ret) { + GTP_ERROR("software reset fail!"); + return ret; + } + // set scramble + buffer[0] = 0x00; + ret = gt1x_i2c_write_with_readback(_rRW_MISCTL__BOOT_OPT_B0_, buffer, 1); + if (ret) { + GTP_ERROR("set scramble fail!"); + return ret; + } + + return 0; +} + +int gt1x_run_ss51_isp(u8 * ss51_isp, int length) +{ + int ret; + u8 buffer[10]; + + ret = gt1x_hold_ss51_dsp(); + if (ret) { + return ret; + } + // select bank4 + buffer[0] = 0x04; + ret = gt1x_i2c_write_with_readback(_bRW_MISCTL__SRAM_BANK, buffer, 1); + if (ret) { + GTP_ERROR("select bank4 fail."); + return ret; + } + // enable patch area access + buffer[0] = 0x01; + ret = gt1x_i2c_write_with_readback(_bRW_MISCTL__PATCH_AREA_EN_, buffer, 1); + if (ret) { + GTP_ERROR("enable patch area access fail!"); + return ret; + } + + GTP_INFO("ss51_isp length: %d, checksum: 0x%04X", length, gt1x_calc_checksum(ss51_isp, length)); + // load ss51 isp + ret = gt1x_i2c_write(0xC000, ss51_isp, length); + if (ret) { + GTP_ERROR("load ss51 isp fail!"); + return ret; + } + // recall compare + ret = gt1x_recall_check(ss51_isp, 0xC000, length); + if (ret) { + GTP_ERROR("recall check ss51 isp fail!"); + return ret; + } + + memset(buffer, 0xAA, 10); + ret = gt1x_i2c_write_with_readback(0x8140, buffer, 10); + + // disable patch area access + buffer[0] = 0x00; + ret = gt1x_i2c_write_with_readback(_bRW_MISCTL__PATCH_AREA_EN_, buffer, 1); + if (ret) { + GTP_ERROR("disable patch area access fail!"); + return ret; + } + // set 0x8006 + memset(buffer, 0x55, 8); + ret = gt1x_i2c_write_with_readback(0x8006, buffer, 8); + if (ret) { + GTP_ERROR("set 0x8006[0~7] 0x55 fail!"); + return ret; + } + // release ss51 + buffer[0] = 0x08; + ret = gt1x_i2c_write_with_readback(_rRW_MISCTL__SWRST_B0_, buffer, 1); + if (ret) { + GTP_ERROR("release ss51 fail!"); + return ret; + } + + msleep(100); + // check run state + ret = gt1x_i2c_read(0x8006, buffer, 2); + if (ret) { + GTP_ERROR("read 0x8006 fail!"); + return ret; + } + if (!(buffer[0] == 0xAA && buffer[1] == 0xBB)) { + GTP_ERROR("ERROR: isp is not running! 0x8006: %02X %02X", buffer[0], buffer[1]); + return ERROR_CHECK; + } + + return 0; +} + +u16 gt1x_calc_checksum(u8 * fw, u32 length) +{ + u32 i = 0; + u32 checksum = 0; + + for (i = 0; i < length; i += 2) { + checksum += (((int)fw[i]) << 8); + checksum += fw[i + 1]; + } + return (checksum & 0xFFFF); +} + +int gt1x_recall_check(u8 * chk_src, u16 start_addr, u16 chk_length) +{ + u8 rd_buf[PACK_SIZE]; + s32 ret = 0; + u16 len = 0; + u32 compared_length = 0; + + while (chk_length > 0) { + len = (chk_length > PACK_SIZE ? PACK_SIZE : chk_length); + + ret = gt1x_i2c_read(start_addr + compared_length, rd_buf, len); + if (ret) { + GTP_ERROR("recall i2c error,exit!"); + return ret; + } + + if (memcmp(rd_buf, &chk_src[compared_length], len)) { + GTP_ERROR("Recall frame not equal(addr: 0x%04X)", start_addr + compared_length); + GTP_DEBUG("chk_src array:"); + GTP_DEBUG_ARRAY(&chk_src[compared_length], len); + GTP_DEBUG("recall array:"); + GTP_DEBUG_ARRAY(rd_buf, len); + return ERROR_CHECK; + } + + chk_length -= len; + compared_length += len; + } + + GTP_DEBUG("Recall check %d bytes(address: 0x%04X) success.", compared_length, start_addr); + return 0; +} + +int gt1x_burn_subsystem(struct fw_subsystem_info *subsystem) +{ + int block_len; + u16 checksum; + int burn_len = 0; + u16 cur_addr; + u32 length = subsystem->length; + u8 buffer[10]; + int ret; + int wait_time; + int burn_state; + int retry = 5; + u8 *fw; + + GTP_INFO("Subsystem: %d", subsystem->type); + GTP_INFO("Length: %d", subsystem->length); + GTP_INFO("Address: 0x%08X", subsystem->address); + + while (length > 0 && retry > 0) { + retry--; + + block_len = length > 1024 * 4 ? 1024 * 4 : length; + + GTP_INFO("Burn block ==> length: %d, address: 0x%08X", block_len, subsystem->address + burn_len); + fw = gt1x_get_fw_data(subsystem->offset + burn_len, block_len); + if (fw == NULL) { + return ERROR_FW; + } + + cur_addr = ((subsystem->address + burn_len) >> 8); + + checksum = 0; + checksum += block_len; + checksum += cur_addr; + checksum += gt1x_calc_checksum(fw, block_len); + checksum = (0 - checksum); + + buffer[0] = ((block_len >> 8) & 0xFF); + buffer[1] = (block_len & 0xFF); + buffer[2] = ((cur_addr >> 8) & 0xFF); + buffer[3] = (cur_addr & 0xFF); + + ret = gt1x_i2c_write_with_readback(0x8100, buffer, 4); + if (ret) { + GTP_ERROR("write length & address fail!"); + continue; + } + + ret = gt1x_i2c_write(0x8100 + 4, fw, block_len); + if (ret) { + GTP_ERROR("write fw data fail!"); + continue; + } + + buffer[0] = ((checksum >> 8) & 0xFF); + buffer[1] = (checksum & 0xFF); + ret = gt1x_i2c_write_with_readback(0x8100 + 4 + block_len, buffer, 2); + if (ret) { + GTP_ERROR("write checksum fail!"); + continue; + } + + buffer[0] = 0; + ret = gt1x_i2c_write_with_readback(0x8022, buffer, 1); + if (ret) { + GTP_ERROR("clear control flag fail!"); + continue; + } + + buffer[0] = subsystem->type; + buffer[1] = subsystem->type; + ret = gt1x_i2c_write_with_readback(0x8020, buffer, 2); + if (ret) { + GTP_ERROR("write subsystem type fail!"); + continue; + } + burn_state = ERROR; + wait_time = 200; + msleep(5); + + while (wait_time-- > 0) { + u8 confirm = 0x55; + + ret = gt1x_i2c_read(0x8022, buffer, 1); + if (ret < 0) { + continue; + } + msleep(5); + ret = gt1x_i2c_read(0x8022, &confirm, 1); + if (ret < 0) { + continue; + } + if (buffer[0] != confirm) { + continue; + } + + if (buffer[0] == 0xAA) { + GTP_DEBUG("burning....."); + continue; + } else if (buffer[0] == 0xDD) { + GTP_ERROR("checksum error!"); + break; + } else if (buffer[0] == 0xBB) { + GTP_INFO("burning success."); + burn_state = 0; + break; + } else if (buffer[0] == 0xCC) { + GTP_ERROR("burning failed!"); + break; + } else { + GTP_DEBUG("unknown state!(0x8022: 0x%02X)", buffer[0]); + } + } + + if (!burn_state) { + length -= block_len; + burn_len += block_len; + retry = 5; + } + } + if (length == 0) { + return 0; + } else { + return ERROR_RETRY; + } +} + +int gt1x_check_subsystem_in_flash(struct fw_subsystem_info *subsystem) +{ + int block_len; + int checked_len = 0; + u32 length = subsystem->length; + int ret; + int check_state = 0; + int retry = 5; + u8 *fw; + + GTP_INFO("Subsystem: %d", subsystem->type); + GTP_INFO("Length: %d", subsystem->length); + GTP_INFO("Address: 0x%08X", subsystem->address); + + while (length > 0) { + block_len = length > 1024 * 4 ? 1024 * 4 : length; + + GTP_INFO("Check block ==> length: %d, address: 0x%08X", block_len, subsystem->address + checked_len); + fw = gt1x_get_fw_data(subsystem->offset + checked_len, block_len); + if (fw == NULL) { + return ERROR_FW; + } + ret = gt1x_read_flash(subsystem->address + checked_len, block_len); + if (ret) { + check_state |= ret; + } + + ret = gt1x_recall_check(fw, 0x8100, block_len); + if (ret) { + GTP_ERROR("Block in flash is broken!"); + check_state |= ret; + } + + length -= block_len; + checked_len += block_len; + retry = 5; + } + if (check_state) { + GTP_ERROR("Subsystem in flash is broken!"); + } else { + GTP_INFO("Subsystem in flash is correct!"); + } + return check_state; +} + +int gt1x_read_flash(u32 addr, int length) +{ + int wait_time; + int ret = 0; + u8 buffer[4]; + u16 read_addr = (addr >> 8); + + GTP_INFO("Read flash: 0x%04X, length: %d", addr, length); + + buffer[0] = 0; + ret = gt1x_i2c_write_with_readback(0x8022, buffer, 1); + + buffer[0] = ((length >> 8) & 0xFF); + buffer[1] = (length & 0xFF); + buffer[2] = ((read_addr >> 8) & 0xFF); + buffer[3] = (read_addr & 0xFF); + ret |= gt1x_i2c_write_with_readback(0x8100, buffer, 4); + + buffer[0] = 0xAA; + buffer[1] = 0xAA; + ret |= gt1x_i2c_write(0x8020, buffer, 2); + if (ret) { + GTP_ERROR("Error occured."); //comment + return ret; + } + + wait_time = 200; + while (wait_time > 0) { + wait_time--; + msleep(5); + ret = gt1x_i2c_read_dbl_check(0x8022, buffer, 1); + if (ret) { + continue; + } + if (buffer[0] == 0xBB) { + GTP_INFO("Read success(addr: 0x%04X, length: %d)", addr, length); + break; + } + } + if (wait_time == 0) { + GTP_ERROR("Read Flash FAIL!"); + return ERROR_RETRY; + } + return 0; +} + + +int gt1x_error_erase(void) +{ + int block_len; + u16 checksum; + u16 erase_addr; + u8 buffer[10]; + int ret; + int wait_time; + int burn_state = ERROR; + int retry = 5; + u8 *fw = NULL; + + GTP_INFO("Erase flash area of ss51."); + + gt1x_reset_guitar(); + + fw = gt1x_get_fw_data(update_info.firmware->subsystem[0].offset, + update_info.firmware->subsystem[0].length); + if (fw == NULL) { + GTP_ERROR("get isp fail"); + return ERROR_FW; + } + ret = gt1x_run_ss51_isp(fw, update_info.firmware->subsystem[0].length); + if (ret) { + GTP_ERROR("run isp fail"); + return ERROR_PATH; + } + + fw = kmalloc(1024 * 4, GFP_KERNEL); + if (!fw) { + GTP_ERROR("error when alloc mem."); + return ERROR_MEM; + } + + memset(fw, 0xFF, 1024 * 4); + erase_addr = 0x00; + block_len = 1024 * 4; + + while (retry-- > 0) { + + checksum = 0; + checksum += block_len; + checksum += erase_addr; + checksum += gt1x_calc_checksum(fw, block_len); + checksum = (0 - checksum); + + buffer[0] = ((block_len >> 8) & 0xFF); + buffer[1] = (block_len & 0xFF); + buffer[2] = ((erase_addr >> 8) & 0xFF); + buffer[3] = (erase_addr & 0xFF); + + ret = gt1x_i2c_write_with_readback(0x8100, buffer, 4); + if (ret) { + GTP_ERROR("write length & address fail!"); + continue; + } + + ret = gt1x_i2c_write(0x8100 + 4, fw, block_len); + if (ret) { + GTP_ERROR("write fw data fail!"); + continue; + } + + ret = gt1x_recall_check(fw, 0x8100 + 4, block_len); + if (ret) { + continue; + } + + buffer[0] = ((checksum >> 8) & 0xFF); + buffer[1] = (checksum & 0xFF); + ret = gt1x_i2c_write_with_readback(0x8100 + 4 + block_len, buffer, 2); + if (ret) { + GTP_ERROR("write checksum fail!"); + continue; + } + + buffer[0] = 0; + ret = gt1x_i2c_write_with_readback(0x8022, buffer, 1); + if (ret) { + GTP_ERROR("clear control flag fail!"); + continue; + } + + buffer[0] = FW_SECTION_TYPE_SS51_PATCH; + buffer[1] = FW_SECTION_TYPE_SS51_PATCH; + ret = gt1x_i2c_write_with_readback(0x8020, buffer, 2); + if (ret) { + GTP_ERROR("write subsystem type fail!"); + continue; + } + burn_state = ERROR; + wait_time = 200; + while (wait_time > 0) { + wait_time--; + msleep(5); + ret = gt1x_i2c_read_dbl_check(0x8022, buffer, 1); + if (ret) { + continue; + } + + if (buffer[0] == 0xAA) { + GTP_DEBUG("burning....."); + continue; + } else if (buffer[0] == 0xDD) { + GTP_ERROR("checksum error!"); + break; + } else if (buffer[0] == 0xBB) { + GTP_INFO("burning success."); + burn_state = 0; + break; + } else if (buffer[0] == 0xCC) { + GTP_ERROR("burning failed!"); + break; + } else { + GTP_DEBUG("unknown state!(0x8022: 0x%02X)", buffer[0]); + } + } + } + + kfree(fw); + if (burn_state == 0) { + return 0; + } else { + return ERROR_RETRY; + } +} + +void gt1x_leave_update_mode(void) +{ + GTP_DEBUG("Leave FW update mode."); + if (update_info.status != UPDATE_STATUS_ABORT) + gt1x_reset_guitar(); + +#if GTP_CHARGER_SWITCH + gt1x_charger_switch(SWITCH_ON); +#endif +#if GTP_ESD_PROTECT + gt1x_esd_switch(SWITCH_ON); +#endif + + update_info.status = UPDATE_STATUS_IDLE; + gt1x_irq_enable(); +} + +void dump_to_file(u16 addr, int length, char *filepath) +{ + struct file *flp = NULL; + u8 buf[128]; + const int READ_BLOCK_SIZE = 128; + int read_length = 0; + int len = 0; + + GTP_INFO("Dump(0x%04X, %d bytes) to file: %s\n", addr, length, filepath); + flp = filp_open(filepath, O_RDWR | O_CREAT, 0666); + if (IS_ERR(flp)) { + GTP_ERROR("can not open file: %s\n", filepath); + return; + } + flp->f_op->llseek(flp, 0, SEEK_SET); + + while (length > 0) { + len = (length > READ_BLOCK_SIZE ? READ_BLOCK_SIZE : length); + memset(buf, 0x33, len); + if (gt1x_i2c_read(addr + read_length, buf, len)) { + memset(buf, 0x33, len); + } + flp->f_op->write(flp, (char *)buf, len, &flp->f_pos); + read_length += len; + length -= len; + } + filp_close(flp, NULL); +} + +int gt1x_hold_ss51_dsp_no_reset(void) +{ + int ret = ERROR; + u8 buffer[2]; + + //hold ss51_dsp + ret = __gt1x_hold_ss51_dsp_20(); + if (ret) { + return ret; + } + // enable dsp & mcu power + buffer[0] = 0x00; + ret = gt1x_i2c_write_with_readback(_bRW_MISCTL__DSP_MCU_PWR_, buffer, 1); + if (ret) { + GTP_ERROR("enabel dsp & mcu power fail!"); + return ret; + } + // disable watchdog + buffer[0] = 0x00; + ret = gt1x_i2c_write_with_readback(_bRW_MISCTL__TMR0_EN, buffer, 1); + if (ret) { + GTP_ERROR("disable wdt fail!"); + return ret; + } + // clear cache + buffer[0] = 0x00; + ret = gt1x_i2c_write_with_readback(_bRW_MISCTL__CACHE_EN, buffer, 1); + if (ret) { + GTP_ERROR("clear cache fail!"); + return ret; + } + // soft reset + buffer[0] = 0x01; + ret = gt1x_i2c_write(_bWO_MISCTL__CPU_SWRST_PULSE, buffer, 1); + if (ret) { + GTP_ERROR("software reset fail!"); + return ret; + } + // set scramble + buffer[0] = 0x00; + ret = gt1x_i2c_write_with_readback(_rRW_MISCTL__BOOT_OPT_B0_, buffer, 1); + if (ret) { + GTP_ERROR("set scramble fail!"); + return ret; + } + + return 0; +} + +#define GT1X_LOAD_PACKET_SIZE (1024 * 2) + +int gt1x_load_patch(u8 * patch, u32 patch_size, int offset, int bank_size) +{ + s32 loaded_length = 0; + s32 len = 0; + s32 ret = 0; + u8 bank = 0, tmp; + u16 address; + + GTP_INFO("Load patch code(size: %d, checksum: 0x%04X, position: 0x%04X, bank-size: %d", patch_size, gt1x_calc_checksum(patch, patch_size), 0xC000 + offset, bank_size); + while (loaded_length != patch_size) { + if (loaded_length == 0 || (loaded_length + offset) % bank_size == 0) { + // select bank + bank = 0x04 + (loaded_length + offset) / bank_size; + ret = gt1x_i2c_write(_bRW_MISCTL__SRAM_BANK, &bank, 1); + if (ret) { + GTP_ERROR("select bank%d fail!", bank); + return ret; + } + GTP_INFO("Select bank%d success.", bank); + // enable patch area access + tmp = 0x01; + ret = gt1x_i2c_write_with_readback(_bRW_MISCTL__PATCH_AREA_EN_ + bank - 4, &tmp, 1); + if (ret) { + GTP_ERROR("enable patch area access fail!"); + return ret; + } + } + + len = patch_size - loaded_length > GT1X_LOAD_PACKET_SIZE ? GT1X_LOAD_PACKET_SIZE : patch_size - loaded_length; + address = 0xC000 + (loaded_length + offset) % bank_size; + + ret = gt1x_i2c_write(address, &patch[loaded_length], len); + if (ret) { + GTP_ERROR("load 0x%04X, %dbytes fail!", address, len); + return ret; + } + ret = gt1x_recall_check(&patch[loaded_length], address, len); + if (ret) { + GTP_ERROR("Recall check 0x%04X, %dbytes fail!", address, len); + return ret; + } + GTP_INFO("load code 0x%04X, %dbytes success.", address, len); + + loaded_length += len; + } + + return 0; +} + +int gt1x_startup_patch(void) +{ + s32 ret = 0; + u8 buffer[8] = { 0x55 }; + buffer[0] = 0x00; + buffer[1] = 0x00; + ret |= gt1x_i2c_write(_bRW_MISCTL__PATCH_AREA_EN_, buffer, 2); + + memset(buffer, 0x55, 8); + ret |= gt1x_i2c_write(GTP_REG_FLASH_PASSBY, buffer, 8); + ret |= gt1x_i2c_write(GTP_REG_VERSION, buffer, 5); + + buffer[0] = 0xAA; + ret |= gt1x_i2c_write(GTP_REG_CMD, buffer, 1); + ret |= gt1x_i2c_write(GTP_REG_ESD_CHECK, buffer, 1); + + buffer[0] = 0x00; + ret |= gt1x_i2c_write(_rRW_MISCTL__SWRST_B0_, buffer, 1); + + msleep(200); + + return ret; +}