19 struct ir_rx51 {  struct
34 static inline void ir_rx51_on(struct ir_rx51 *ir_rx51)  in ir_rx51_on()  argument
36 	ir_rx51->state.enabled = true;  in ir_rx51_on()
37 	pwm_apply_might_sleep(ir_rx51->pwm, &ir_rx51->state);  in ir_rx51_on()
40 static inline void ir_rx51_off(struct ir_rx51 *ir_rx51)  in ir_rx51_off()  argument
42 	ir_rx51->state.enabled = false;  in ir_rx51_off()
43 	pwm_apply_might_sleep(ir_rx51->pwm, &ir_rx51->state);  in ir_rx51_off()
46 static int init_timing_params(struct ir_rx51 *ir_rx51)  in init_timing_params()  argument
48 	ir_rx51->state.period = DIV_ROUND_CLOSEST(NSEC_PER_SEC, ir_rx51->freq);  in init_timing_params()
49 	pwm_set_relative_duty_cycle(&ir_rx51->state, ir_rx51->duty_cycle, 100);  in init_timing_params()
56 	struct ir_rx51 *ir_rx51 = container_of(timer, struct ir_rx51, timer);  in ir_rx51_timer_cb()  local
59 	if (ir_rx51->wbuf_index < 0) {  in ir_rx51_timer_cb()
60 		dev_err_ratelimited(ir_rx51->dev,  in ir_rx51_timer_cb()
62 				    ir_rx51->wbuf_index);  in ir_rx51_timer_cb()
73 		if (ir_rx51->wbuf_index >= WBUF_LEN)  in ir_rx51_timer_cb()
75 		if (ir_rx51->wbuf[ir_rx51->wbuf_index] == -1)  in ir_rx51_timer_cb()
78 		if (ir_rx51->wbuf_index % 2)  in ir_rx51_timer_cb()
79 			ir_rx51_off(ir_rx51);  in ir_rx51_timer_cb()
81 			ir_rx51_on(ir_rx51);  in ir_rx51_timer_cb()
83 		ns = US_TO_NS(ir_rx51->wbuf[ir_rx51->wbuf_index]);  in ir_rx51_timer_cb()
86 		ir_rx51->wbuf_index++;  in ir_rx51_timer_cb()
95 	ir_rx51_off(ir_rx51);  in ir_rx51_timer_cb()
96 	ir_rx51->wbuf_index = -1;  in ir_rx51_timer_cb()
98 	wake_up_interruptible(&ir_rx51->wqueue);  in ir_rx51_timer_cb()
106 	struct ir_rx51 *ir_rx51 = dev->priv;  in ir_rx51_tx()  local
111 	memcpy(ir_rx51->wbuf, buffer, count * sizeof(unsigned int));  in ir_rx51_tx()
114 	wait_event_interruptible(ir_rx51->wqueue, ir_rx51->wbuf_index < 0);  in ir_rx51_tx()
116 	init_timing_params(ir_rx51);  in ir_rx51_tx()
118 		ir_rx51->wbuf[count] = -1; /* Insert termination mark */  in ir_rx51_tx()
125 	ir_rx51_on(ir_rx51);  in ir_rx51_tx()
126 	ir_rx51->wbuf_index = 1;  in ir_rx51_tx()
127 	hrtimer_start(&ir_rx51->timer,  in ir_rx51_tx()
128 		      ns_to_ktime(US_TO_NS(ir_rx51->wbuf[0])),  in ir_rx51_tx()
134 	wait_event_interruptible(ir_rx51->wqueue, ir_rx51->wbuf_index < 0);  in ir_rx51_tx()
143 	struct ir_rx51 *ir_rx51 = dev->priv;  in ir_rx51_open()  local
145 	if (test_and_set_bit(1, &ir_rx51->device_is_open))  in ir_rx51_open()
148 	ir_rx51->pwm = pwm_get(ir_rx51->dev, NULL);  in ir_rx51_open()
149 	if (IS_ERR(ir_rx51->pwm)) {  in ir_rx51_open()
150 		int res = PTR_ERR(ir_rx51->pwm);  in ir_rx51_open()
152 		dev_err(ir_rx51->dev, "pwm_get failed: %d\n", res);  in ir_rx51_open()
161 	struct ir_rx51 *ir_rx51 = dev->priv;  in ir_rx51_release()  local
163 	hrtimer_cancel(&ir_rx51->timer);  in ir_rx51_release()
164 	ir_rx51_off(ir_rx51);  in ir_rx51_release()
165 	pwm_put(ir_rx51->pwm);  in ir_rx51_release()
167 	clear_bit(1, &ir_rx51->device_is_open);  in ir_rx51_release()
170 static struct ir_rx51 ir_rx51 = {  variable
177 	struct ir_rx51 *ir_rx51 = dev->priv;  in ir_rx51_set_duty_cycle()  local
179 	ir_rx51->duty_cycle = duty;  in ir_rx51_set_duty_cycle()
186 	struct ir_rx51 *ir_rx51 = dev->priv;  in ir_rx51_set_tx_carrier()  local
191 	ir_rx51->freq = carrier;  in ir_rx51_set_tx_carrier()
208 	if (test_and_set_bit(1, &ir_rx51.device_is_open))  in ir_rx51_suspend()
211 	clear_bit(1, &ir_rx51.device_is_open);  in ir_rx51_suspend()
238 	ir_rx51.freq = DIV_ROUND_CLOSEST_ULL(pwm_get_period(pwm), NSEC_PER_SEC);  in ir_rx51_probe()
239 	pwm_init_state(pwm, &ir_rx51.state);  in ir_rx51_probe()
242 	hrtimer_init(&ir_rx51.timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);  in ir_rx51_probe()
243 	ir_rx51.timer.function = ir_rx51_timer_cb;  in ir_rx51_probe()
245 	ir_rx51.dev = &dev->dev;  in ir_rx51_probe()
251 	rcdev->priv = &ir_rx51;  in ir_rx51_probe()
259 	ir_rx51.rcdev = rcdev;  in ir_rx51_probe()
261 	return devm_rc_register_device(&dev->dev, ir_rx51.rcdev);  in ir_rx51_probe()