drivers/thermal/devfreq_cooling.c

67 	struct devfreq_cooling_device *dfc = cdev->devdata;
69 	*state = dfc->max_state;
77 	struct devfreq_cooling_device *dfc = cdev->devdata;
79 	*state = dfc->cooling_state;
87 	struct devfreq_cooling_device *dfc = cdev->devdata;
88 	struct devfreq *df = dfc->devfreq;
94 	if (state == dfc->cooling_state)
99 	if (state > dfc->max_state)
102 	if (dfc->em_pd) {
103 		perf_idx = dfc->max_state - state;
106 		table = em_perf_state_from_pd(dfc->em_pd);
110 		freq = dfc->freq_table[state];
113 	dev_pm_qos_update_request(&dfc->req_max_freq,
116 	dfc->cooling_state = state;
193 	struct devfreq_cooling_device *dfc = cdev->devdata;
194 	struct devfreq *df = dfc->devfreq;
208 	if (dfc->power_ops && dfc->power_ops->get_real_power) {
215 		res = dfc->power_ops->get_real_power(df, power, freq, voltage);
217 			state = dfc->max_state - dfc->capped_state;
221 			table = em_perf_state_from_pd(dfc->em_pd);
222 			dfc->res_util = table[state].power;
225 			dfc->res_util /= MICROWATT_PER_MILLIWATT;
227 			dfc->res_util *= SCALE_ERROR_MITIGATION;
230 				dfc->res_util /= *power;
236 		perf_idx = get_perf_idx(dfc->em_pd, freq / 1000);
246 		table = em_perf_state_from_pd(dfc->em_pd);
261 	dfc->res_util = SCALE_ERROR_MITIGATION;
268 	struct devfreq_cooling_device *dfc = cdev->devdata;
272 	if (state > dfc->max_state)
275 	perf_idx = dfc->max_state - state;
278 	table = em_perf_state_from_pd(dfc->em_pd);
290 	struct devfreq_cooling_device *dfc = cdev->devdata;
291 	struct devfreq *df = dfc->devfreq;
304 	if (dfc->power_ops && dfc->power_ops->get_real_power) {
306 		est_power = power * dfc->res_util;
320 	table = em_perf_state_from_pd(dfc->em_pd);
321 	for (i = dfc->max_state; i > 0; i--) {
330 	*state = dfc->max_state - i;
331 	dfc->capped_state = *state;
339  * @dfc:	Pointer to devfreq cooling device.
348 static int devfreq_cooling_gen_tables(struct devfreq_cooling_device *dfc,
351 	struct devfreq *df = dfc->devfreq;
356 	dfc->freq_table = kcalloc(num_opps, sizeof(*dfc->freq_table),
358 	if (!dfc->freq_table)
366 			kfree(dfc->freq_table);
371 		dfc->freq_table[i] = freq;
398 	struct devfreq_cooling_device *dfc;
405 	dfc = kzalloc(sizeof(*dfc), GFP_KERNEL);
406 	if (!dfc)
409 	dfc->devfreq = df;
411 	ops = &dfc->cooling_ops;
418 		dfc->em_pd = em;
424 		dfc->power_ops = dfc_power;
426 		num_opps = em_pd_nr_perf_states(dfc->em_pd);
433 		err = devfreq_cooling_gen_tables(dfc, num_opps);
444 	dfc->max_state = num_opps - 1;
446 	err = dev_pm_qos_add_request(dev, &dfc->req_max_freq,
457 	cdev = thermal_of_cooling_device_register(np, name, dfc, ops);
468 	dfc->cdev = cdev;
473 	dev_pm_qos_remove_request(&dfc->req_max_freq);
475 	kfree(dfc->freq_table);
477 	kfree(dfc);
558 	struct devfreq_cooling_device *dfc;
564 	dfc = cdev->devdata;
565 	dev = dfc->devfreq->dev.parent;
567 	thermal_cooling_device_unregister(dfc->cdev);
568 	dev_pm_qos_remove_request(&dfc->req_max_freq);
572 	kfree(dfc->freq_table);
573 	kfree(dfc);