4  * SPDX-License-Identifier: Apache-2.0
54 /* HT16K33 size definitions */
97 	const struct ht16k33_cfg *config = dev->config;  in ht16k33_led_blink()
98 	struct ht16k33_data *data = dev->data;  in ht16k33_led_blink()
99 	struct led_data *dev_data = &data->dev_data;  in ht16k33_led_blink()
104 	if (period < dev_data->min_period || period > dev_data->max_period) {  in ht16k33_led_blink()
105 		return -EINVAL;  in ht16k33_led_blink()
119 	if (i2c_write_dt(&config->i2c, &cmd, sizeof(cmd))) {  in ht16k33_led_blink()
121 		return -EIO;  in ht16k33_led_blink()
132 	const struct ht16k33_cfg *config = dev->config;  in ht16k33_led_set_brightness()
133 	struct ht16k33_data *data = dev->data;  in ht16k33_led_set_brightness()
134 	struct led_data *dev_data = &data->dev_data;  in ht16k33_led_set_brightness()
138 	if (value < dev_data->min_brightness ||  in ht16k33_led_set_brightness()
139 	    value > dev_data->max_brightness) {  in ht16k33_led_set_brightness()
140 		return -EINVAL;  in ht16k33_led_set_brightness()
143 	dim = (value * (HT16K33_DIMMING_LEVELS - 1)) / dev_data->max_brightness;  in ht16k33_led_set_brightness()
146 	if (i2c_write_dt(&config->i2c, &cmd, sizeof(cmd))) {  in ht16k33_led_set_brightness()
148 		return -EIO;  in ht16k33_led_set_brightness()
157 	const struct ht16k33_cfg *config = dev->config;  in ht16k33_led_set_state()
158 	struct ht16k33_data *data = dev->data;  in ht16k33_led_set_state()
164 		return -EINVAL;  in ht16k33_led_set_state()
172 		cmd[1] = data->buffer[addr] | BIT(bit);  in ht16k33_led_set_state()
174 		cmd[1] = data->buffer[addr] & ~BIT(bit);  in ht16k33_led_set_state()
177 	if (data->buffer[addr] == cmd[1]) {  in ht16k33_led_set_state()
181 	if (i2c_write_dt(&config->i2c, cmd, sizeof(cmd))) {  in ht16k33_led_set_state()
183 		return -EIO;  in ht16k33_led_set_state()
186 	data->buffer[addr] = cmd[1];  in ht16k33_led_set_state()
204 	const struct ht16k33_cfg *config = dev->config;  in ht16k33_process_keyscan_data()
205 	struct ht16k33_data *data = dev->data;  in ht16k33_process_keyscan_data()
211 	int col;  in ht16k33_process_keyscan_data()  local
214 	err = i2c_burst_read_dt(&config->i2c, HT16K33_CMD_KEY_DATA_ADDR, keys, sizeof(keys));  in ht16k33_process_keyscan_data()
221 	k_mutex_lock(&data->lock, K_FOREVER);  in ht16k33_process_keyscan_data()
225 		changed = data->key_state[row] ^ state;  in ht16k33_process_keyscan_data()
226 		data->key_state[row] = state;  in ht16k33_process_keyscan_data()
232 		for (col = 0; col < HT16K33_KEYSCAN_COLS; col++) {  in ht16k33_process_keyscan_data()
233 			if ((changed & BIT(col)) == 0) {  in ht16k33_process_keyscan_data()
236 			input_report_abs(dev, INPUT_ABS_X, col, false, K_FOREVER);  in ht16k33_process_keyscan_data()
238 			input_report_key(dev, INPUT_BTN_TOUCH, state & BIT(col), true, K_FOREVER);  in ht16k33_process_keyscan_data()
242 	k_mutex_unlock(&data->lock);  in ht16k33_process_keyscan_data()
256 		k_sem_take(&data->irq_sem, K_FOREVER);  in ht16k33_irq_thread()
259 			k_sem_reset(&data->irq_sem);  in ht16k33_irq_thread()
260 			pressed = ht16k33_process_keyscan_data(data->dev);  in ht16k33_irq_thread()
275 	k_sem_give(&data->irq_sem);  in ht16k33_irq_callback()
283 	k_sem_give(&data->irq_sem);  in ht16k33_timer_callback()
289 	const struct ht16k33_cfg *config = dev->config;  in ht16k33_init()
290 	struct ht16k33_data *data = dev->data;  in ht16k33_init()
291 	struct led_data *dev_data = &data->dev_data;  in ht16k33_init()
295 	data->dev = dev;  in ht16k33_init()
297 	if (!device_is_ready(config->i2c.bus)) {  in ht16k33_init()
299 		return -EINVAL;  in ht16k33_init()
302 	memset(&data->buffer, 0, sizeof(data->buffer));  in ht16k33_init()
305 	dev_data->min_period = 0U;  in ht16k33_init()
306 	dev_data->max_period = 2000U;  in ht16k33_init()
307 	dev_data->min_brightness = 0U;  in ht16k33_init()
308 	dev_data->max_brightness = 100U;  in ht16k33_init()
312 	err = i2c_write_dt(&config->i2c, cmd, 1);  in ht16k33_init()
316 		return -EIO;  in ht16k33_init()
322 	err = i2c_write_dt(&config->i2c, cmd, sizeof(cmd));  in ht16k33_init()
325 		return -EIO;  in ht16k33_init()
330 	err = i2c_write_dt(&config->i2c, cmd, 1);  in ht16k33_init()
333 		return -EIO;  in ht16k33_init()
338 	err = i2c_write_dt(&config->i2c, cmd, 1);  in ht16k33_init()
341 		return -EIO;  in ht16k33_init()
345 	k_mutex_init(&data->lock);  in ht16k33_init()
346 	k_sem_init(&data->irq_sem, 0, 1);  in ht16k33_init()
349 	if (config->irq_enabled) {  in ht16k33_init()
352 		if (!gpio_is_ready_dt(&config->irq)) {  in ht16k33_init()
354 			return -EINVAL;  in ht16k33_init()
357 		err = gpio_pin_configure_dt(&config->irq, GPIO_INPUT);  in ht16k33_init()
360 			return -EINVAL;  in ht16k33_init()
363 		gpio_init_callback(&data->irq_cb, &ht16k33_irq_callback,  in ht16k33_init()
364 				   BIT(config->irq.pin));  in ht16k33_init()
366 		err = gpio_add_callback(config->irq.port, &data->irq_cb);  in ht16k33_init()
369 			return -EINVAL;  in ht16k33_init()
374 		if (i2c_write_dt(&config->i2c, cmd, 1)) {  in ht16k33_init()
376 			return -EIO;  in ht16k33_init()
380 		err = i2c_burst_read_dt(&config->i2c, HT16K33_CMD_KEY_DATA_ADDR, keys,  in ht16k33_init()
384 			return -EIO;  in ht16k33_init()
387 		err = gpio_pin_interrupt_configure_dt(&config->irq,  in ht16k33_init()
392 			return -EINVAL;  in ht16k33_init()
397 		if (i2c_write_dt(&config->i2c, cmd, 1)) {  in ht16k33_init()
399 			return -EIO;  in ht16k33_init()
403 		k_timer_init(&data->timer, ht16k33_timer_callback, NULL);  in ht16k33_init()
404 		k_timer_start(&data->timer, K_NO_WAIT,  in ht16k33_init()
408 	k_thread_create(&data->irq_thread, data->irq_thread_stack,  in ht16k33_init()