Lines Matching refs:th

91 static void write_both_fan_speed(struct thermostat *th, int speed);
92 static void write_fan_speed(struct thermostat *th, int speed, int fan);
95 write_reg(struct thermostat* th, int reg, u8 data)
102 	rc = i2c_master_send(th->clt, (const char *)tmp, 2);
111 read_reg(struct thermostat* th, int reg)
117 	rc = i2c_master_send(th->clt, &reg_addr, 1);
122 	rc = i2c_master_recv(th->clt, (char *)&data, 1);
128 static int read_fan_speed(struct thermostat *th, u8 addr)
134 	tmp[1] = read_reg(th, addr);
135 	tmp[0] = read_reg(th, addr + 1);
142 static void write_both_fan_speed(struct thermostat *th, int speed)
144 	write_fan_speed(th, speed, 0);
145 	if (th->type == ADT7460)
146 		write_fan_speed(th, speed, 1);
149 static void write_fan_speed(struct thermostat *th, int speed, int fan)
158 	if (th->type == ADT7467 && fan == 1)
161 	if (th->last_speed[fan] != speed) {
174 		manual = read_reg(th, MANUAL_MODE[fan]);
176 		write_reg(th, MANUAL_MODE[fan],
177 			manual | MANUAL_MASK | th->pwm_inv[fan]);
178 		write_reg(th, FAN_SPD_SET[fan], speed);
181 		if(th->type == ADT7460) {
182 			manual = read_reg(th,
185 			manual |= th->pwm_inv[fan];
186 			write_reg(th,
189 			manual = read_reg(th, MANUAL_MODE[fan]);
191 			manual |= th->pwm_inv[fan];
192 			write_reg(th, MANUAL_MODE[fan], manual&(~AUTO_MASK));
196 	th->last_speed[fan] = speed;			
199 static void read_sensors(struct thermostat *th)
204 		th->temps[i]  = read_reg(th, TEMP_REG[i]);
208 static void display_stats(struct thermostat *th)
210 	if (th->temps[0] != th->cached_temp[0]
211 	||  th->temps[1] != th->cached_temp[1]
212 	||  th->temps[2] != th->cached_temp[2]) {
217 				 th->temps[0], th->temps[1], th->temps[2],
218 				 th->limits[0],  th->limits[1],  th->limits[2],
219 				 read_fan_speed(th, FAN_SPEED[0]));
221 	th->cached_temp[0] = th->temps[0];
222 	th->cached_temp[1] = th->temps[1];
223 	th->cached_temp[2] = th->temps[2];
227 static void update_fans_speed (struct thermostat *th)
235 		int fan_number = (th->type == ADT7460 && i == 2);
236 		int var = th->temps[i] - th->limits[i];
244 			if (abs(var - th->last_var[fan_number]) < 2)
260 			write_both_fan_speed(th, new_speed);
261 			th->last_var[fan_number] = var;
266 				if (th->last_speed[fan_number] != 0)
270 				write_both_fan_speed(th, 0);
284 	struct thermostat* th = arg;
293 			read_sensors(th);
295 		read_sensors(th);
299 			update_fans_speed(th);
302 		display_stats(th);
310 static void set_limit(struct thermostat *th, int i)
313 	th->limits[i] = default_limits_chip[i] + limit_adjust;
314 	write_reg(th, LIMIT_REG[i], th->limits[i]);
317 	th->limits[i] = default_limits_local[i] + limit_adjust;
323 	struct thermostat *th = dev_get_drvdata(dev);		\
342 	struct thermostat *th = dev_get_drvdata(dev);		\
344 		th->last_speed[data],				\
345 		read_fan_speed(th, FAN_SPEED[data])		\
352 	struct thermostat *th = dev_get_drvdata(dev);		\
359 		set_limit(th, i);				\
375 BUILD_SHOW_FUNC_INT(sensor1_temperature,	 (read_reg(th, TEMP_REG[1])))
376 BUILD_SHOW_FUNC_INT(sensor2_temperature,	 (read_reg(th, TEMP_REG[2])))
377 BUILD_SHOW_FUNC_INT(sensor1_limit,		 th->limits[1])
378 BUILD_SHOW_FUNC_INT(sensor2_limit,		 th->limits[2])
389 BUILD_STORE_FUNC_DEG(limit_adjust,	 th)
415 static void thermostat_create_files(struct thermostat *th)
417 	struct device_node *np = th->clt->dev.of_node;
425 	th->pdev = of_platform_device_create(np, "temperatures", NULL);
426 	if (!th->pdev)
428 	dev = &th->pdev->dev;
429 	dev_set_drvdata(dev, th);
439 	if(th->type == ADT7460)
446 static void thermostat_remove_files(struct thermostat *th)
450 	if (!th->pdev)
452 	dev = &th->pdev->dev;
462 	if (th->type == ADT7460)
464 	of_device_unregister(th->pdev);
472 	struct thermostat* th;
500 	th = kzalloc(sizeof(struct thermostat), GFP_KERNEL);
501 	if (!th)
504 	i2c_set_clientdata(client, th);
505 	th->clt = client;
506 	th->type = id->driver_data;
508 	rc = read_reg(th, CONFIG_REG);
511 		kfree(th);
519 	if (th->type == ADT7460) {
522 		write_reg(th, CONFIG_REG, 1);
527 		th->initial_limits[i] = read_reg(th, LIMIT_REG[i]);
528 		set_limit(th, i);
533 			 th->initial_limits[0], th->initial_limits[1],
534 			 th->initial_limits[2], th->limits[0], th->limits[1],
535 			 th->limits[2]);
538 	th->pwm_inv[0] = read_reg(th, MANUAL_MODE[0]) & INVERT_MASK;
539 	th->pwm_inv[1] = read_reg(th, MANUAL_MODE[1]) & INVERT_MASK;
542 	th->last_speed[0] = -2;
543 	th->last_speed[1] = -2;
544 	th->last_var[0] = -80;
545 	th->last_var[1] = -80;
549 		write_both_fan_speed(th, 0);
552 		write_both_fan_speed(th, -1);
555 	th->thread = kthread_run(monitor_task, th, "kfand");
556 	if (th->thread == ERR_PTR(-ENOMEM)) {
558 		th->thread = NULL;
562 	thermostat_create_files(th);
569 	struct thermostat *th = i2c_get_clientdata(client);
572 	thermostat_remove_files(th);
574 	if (th->thread != NULL)
575 		kthread_stop(th->thread);
579 		th->limits[0], th->limits[1], th->limits[2],
580 		th->initial_limits[0], th->initial_limits[1],
581 		th->initial_limits[2]);
584 		write_reg(th, LIMIT_REG[i], th->initial_limits[i]);
586 	write_both_fan_speed(th, -1);
588 	kfree(th);