81 } x;  variable
83 #define T(x,y)			(((x)<<8) | (y)*0x100/10 )  argument
113 	return sprintf(buf, "%d.%d\n", x.temp>>8, (x.temp & 255)*10/256 );  in show_cpu_temperature()
119 	return sprintf(buf, "%d.%d\n", x.casetemp>>8, (x.casetemp & 255)*10/256 );  in show_case_temperature()
170 	write_reg( x.fan, 0x25, val, 1 );  in tune_fan()
171 	write_reg( x.fan, 0x20, 0, 1 );  in tune_fan()
172 	print_temp("CPU-temp: ", x.temp );  in tune_fan()
173 	if( x.casetemp )  in tune_fan()
174 		print_temp(", Case: ", x.casetemp );  in tune_fan()
175 	printk(",  Fan: %d (tuned %+d)\n", 11-fan_setting, x.fan_level-fan_setting );  in tune_fan()
177 	x.fan_level = fan_setting;  in tune_fan()
185 	temp = read_reg( x.thermostat, 0, 2 );  in poll_temp()
191 	casetemp = read_reg(x.fan, 0x0b, 1) << 8;  in poll_temp()
192 	casetemp |= (read_reg(x.fan, 0x06, 1) & 0x7) << 5;  in poll_temp()
194 	if( LOG_TEMP && x.temp != temp ) {  in poll_temp()
197 		printk(",  Fan: %d\n", 11-x.fan_level );  in poll_temp()
199 	x.temp = temp;  in poll_temp()
200 	x.casetemp = casetemp;  in poll_temp()
205 	if( i < x.downind )  in poll_temp()
207 	x.downind = i;  in poll_temp()
211 	if( x.upind < i )  in poll_temp()
213 	x.upind = i;  in poll_temp()
227 	x.r0 = read_reg( x.fan, 0x00, 1 );  in setup_hardware()
228 	x.r1 = read_reg( x.fan, 0x01, 1 );  in setup_hardware()
229 	x.r20 = read_reg( x.fan, 0x20, 1 );  in setup_hardware()
230 	x.r23 = read_reg( x.fan, 0x23, 1 );  in setup_hardware()
231 	x.r25 = read_reg( x.fan, 0x25, 1 );  in setup_hardware()
234 	if( (val=read_reg(x.thermostat, 1, 1)) >= 0 ) {  in setup_hardware()
236 		if( write_reg( x.thermostat, 1, val, 1 ) )  in setup_hardware()
240 	write_reg( x.fan, 0x01, 0x01, 1 );  in setup_hardware()
242 	write_reg( x.fan, 0x23, 0x91, 1 );  in setup_hardware()
244 	write_reg( x.fan, 0x00, 0x95, 1 );  in setup_hardware()
251 	if( x.overheat_temp == (80 << 8) ) {  in setup_hardware()
252 		x.overheat_temp = 65 << 8;  in setup_hardware()
253 		x.overheat_hyst = 60 << 8;  in setup_hardware()
254 		write_reg( x.thermostat, 2, x.overheat_hyst, 2 );  in setup_hardware()
255 		write_reg( x.thermostat, 3, x.overheat_temp, 2 );  in setup_hardware()
257 		print_temp("Reducing overheating limit to ", x.overheat_temp );  in setup_hardware()
258 		print_temp(" (Hyst: ", x.overheat_hyst );  in setup_hardware()
263 	x.downind = 0xffff;  in setup_hardware()
264 	x.upind = -1;  in setup_hardware()
267 	err = device_create_file( &x.of_dev->dev, &dev_attr_cpu_temperature );  in setup_hardware()
268 	err |= device_create_file( &x.of_dev->dev, &dev_attr_case_temperature );  in setup_hardware()
277 	device_remove_file( &x.of_dev->dev, &dev_attr_cpu_temperature );  in restore_regs()
278 	device_remove_file( &x.of_dev->dev, &dev_attr_case_temperature );  in restore_regs()
280 	write_reg( x.fan, 0x01, x.r1, 1 );  in restore_regs()
281 	write_reg( x.fan, 0x20, x.r20, 1 );  in restore_regs()
282 	write_reg( x.fan, 0x23, x.r23, 1 );  in restore_regs()
283 	write_reg( x.fan, 0x25, x.r25, 1 );  in restore_regs()
284 	write_reg( x.fan, 0x00, x.r0, 1 );  in restore_regs()
289 	mutex_lock(&x.lock);  in control_loop()
291 	mutex_unlock(&x.lock);  in control_loop()
298 		mutex_lock(&x.lock);  in control_loop()
300 		mutex_unlock(&x.lock);  in control_loop()
303 	mutex_lock(&x.lock);  in control_loop()
305 	mutex_unlock(&x.lock);  in control_loop()
323 	if( !x.running ) {  in do_attach()
325 		if( x.thermostat && x.fan ) {  in do_attach()
326 			x.running = 1;  in do_attach()
327 			x.poll_task = kthread_run(control_loop, NULL, "g4fand");  in do_attach()
341 		if( x.running ) {  in do_detach()
342 			x.running = 0;  in do_detach()
343 			kthread_stop(x.poll_task);  in do_detach()
344 			x.poll_task = NULL;  in do_detach()
346 		if( client == x.thermostat )  in do_detach()
347 			x.thermostat = NULL;  in do_detach()
348 		else if( client == x.fan )  in do_detach()
349 			x.fan = NULL;  in do_detach()
369 	if( x.fan )  in attach_fan()
380 		x.fan = cl;  in attach_fan()
382 	if( cl != x.fan )  in attach_fan()
392 	if( x.thermostat )  in attach_thermostat()
412 	x.temp = temp;  in attach_thermostat()
413 	x.overheat_temp = os_temp;  in attach_thermostat()
414 	x.overheat_hyst = hyst_temp;  in attach_thermostat()
419 		x.thermostat = cl;  in attach_thermostat()
421 	if( cl != x.thermostat )  in attach_thermostat()
492 	mutex_init(&x.lock);  in g4fan_init()
508 	x.of_dev = of_platform_device_create(np, "temperature", NULL);  in g4fan_init()
511 	if( !x.of_dev ) {  in g4fan_init()
525 	if( x.of_dev )  in g4fan_exit()
526 		of_device_unregister( x.of_dev );  in g4fan_exit()