19 struct ir_rx51 {  struct
33 static inline void ir_rx51_on(struct ir_rx51 *ir_rx51)  in ir_rx51_on()  argument
35 	pwm_enable(ir_rx51->pwm);  in ir_rx51_on()
38 static inline void ir_rx51_off(struct ir_rx51 *ir_rx51)  in ir_rx51_off()  argument
40 	pwm_disable(ir_rx51->pwm);  in ir_rx51_off()
43 static int init_timing_params(struct ir_rx51 *ir_rx51)  in init_timing_params()  argument
45 	struct pwm_device *pwm = ir_rx51->pwm;  in init_timing_params()
46 	int duty, period = DIV_ROUND_CLOSEST(NSEC_PER_SEC, ir_rx51->freq);  in init_timing_params()
48 	duty = DIV_ROUND_CLOSEST(ir_rx51->duty_cycle * period, 100);  in init_timing_params()
57 	struct ir_rx51 *ir_rx51 = container_of(timer, struct ir_rx51, timer);  in ir_rx51_timer_cb()  local
60 	if (ir_rx51->wbuf_index < 0) {  in ir_rx51_timer_cb()
61 		dev_err_ratelimited(ir_rx51->dev,  in ir_rx51_timer_cb()
63 				    ir_rx51->wbuf_index);  in ir_rx51_timer_cb()
74 		if (ir_rx51->wbuf_index >= WBUF_LEN)  in ir_rx51_timer_cb()
76 		if (ir_rx51->wbuf[ir_rx51->wbuf_index] == -1)  in ir_rx51_timer_cb()
79 		if (ir_rx51->wbuf_index % 2)  in ir_rx51_timer_cb()
80 			ir_rx51_off(ir_rx51);  in ir_rx51_timer_cb()
82 			ir_rx51_on(ir_rx51);  in ir_rx51_timer_cb()
84 		ns = US_TO_NS(ir_rx51->wbuf[ir_rx51->wbuf_index]);  in ir_rx51_timer_cb()
87 		ir_rx51->wbuf_index++;  in ir_rx51_timer_cb()
96 	ir_rx51_off(ir_rx51);  in ir_rx51_timer_cb()
97 	ir_rx51->wbuf_index = -1;  in ir_rx51_timer_cb()
99 	wake_up_interruptible(&ir_rx51->wqueue);  in ir_rx51_timer_cb()
107 	struct ir_rx51 *ir_rx51 = dev->priv;  in ir_rx51_tx()  local
112 	memcpy(ir_rx51->wbuf, buffer, count * sizeof(unsigned int));  in ir_rx51_tx()
115 	wait_event_interruptible(ir_rx51->wqueue, ir_rx51->wbuf_index < 0);  in ir_rx51_tx()
117 	init_timing_params(ir_rx51);  in ir_rx51_tx()
119 		ir_rx51->wbuf[count] = -1; /* Insert termination mark */  in ir_rx51_tx()
126 	ir_rx51_on(ir_rx51);  in ir_rx51_tx()
127 	ir_rx51->wbuf_index = 1;  in ir_rx51_tx()
128 	hrtimer_start(&ir_rx51->timer,  in ir_rx51_tx()
129 		      ns_to_ktime(US_TO_NS(ir_rx51->wbuf[0])),  in ir_rx51_tx()
135 	wait_event_interruptible(ir_rx51->wqueue, ir_rx51->wbuf_index < 0);  in ir_rx51_tx()
144 	struct ir_rx51 *ir_rx51 = dev->priv;  in ir_rx51_open()  local
146 	if (test_and_set_bit(1, &ir_rx51->device_is_open))  in ir_rx51_open()
149 	ir_rx51->pwm = pwm_get(ir_rx51->dev, NULL);  in ir_rx51_open()
150 	if (IS_ERR(ir_rx51->pwm)) {  in ir_rx51_open()
151 		int res = PTR_ERR(ir_rx51->pwm);  in ir_rx51_open()
153 		dev_err(ir_rx51->dev, "pwm_get failed: %d\n", res);  in ir_rx51_open()
162 	struct ir_rx51 *ir_rx51 = dev->priv;  in ir_rx51_release()  local
164 	hrtimer_cancel(&ir_rx51->timer);  in ir_rx51_release()
165 	ir_rx51_off(ir_rx51);  in ir_rx51_release()
166 	pwm_put(ir_rx51->pwm);  in ir_rx51_release()
168 	clear_bit(1, &ir_rx51->device_is_open);  in ir_rx51_release()
171 static struct ir_rx51 ir_rx51 = {  variable
178 	struct ir_rx51 *ir_rx51 = dev->priv;  in ir_rx51_set_duty_cycle()  local
180 	ir_rx51->duty_cycle = duty;  in ir_rx51_set_duty_cycle()
187 	struct ir_rx51 *ir_rx51 = dev->priv;  in ir_rx51_set_tx_carrier()  local
192 	ir_rx51->freq = carrier;  in ir_rx51_set_tx_carrier()
209 	if (test_and_set_bit(1, &ir_rx51.device_is_open))  in ir_rx51_suspend()
212 	clear_bit(1, &ir_rx51.device_is_open);  in ir_rx51_suspend()
244 	ir_rx51.freq = DIV_ROUND_CLOSEST_ULL(pwm_get_period(pwm), NSEC_PER_SEC);  in ir_rx51_probe()
247 	hrtimer_init(&ir_rx51.timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);  in ir_rx51_probe()
248 	ir_rx51.timer.function = ir_rx51_timer_cb;  in ir_rx51_probe()
250 	ir_rx51.dev = &dev->dev;  in ir_rx51_probe()
256 	rcdev->priv = &ir_rx51;  in ir_rx51_probe()
264 	ir_rx51.rcdev = rcdev;  in ir_rx51_probe()
266 	return devm_rc_register_device(&dev->dev, ir_rx51.rcdev);  in ir_rx51_probe()