forked from ~ljy/RK356X_SDK_RELEASE
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hc
2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc 
 kernel/drivers/thermal/hisi_thermal.c
....@@ -55,25 +55,39 @@
5555 #define HI3660_TEMP_STEP		(205)
5656 #define HI3660_TEMP_LAG			(4000)
5757 
58
-#define HI6220_DEFAULT_SENSOR		2
59
-#define HI3660_DEFAULT_SENSOR		1
58
+#define HI6220_CLUSTER0_SENSOR		2
59
+#define HI6220_CLUSTER1_SENSOR		1
60
+
61
+#define HI3660_LITTLE_SENSOR		0
62
+#define HI3660_BIG_SENSOR		1
63
+#define HI3660_G3D_SENSOR		2
64
+#define HI3660_MODEM_SENSOR		3
65
+
66
+struct hisi_thermal_data;
6067 
6168 struct hisi_thermal_sensor {
69
+	struct hisi_thermal_data *data;
6270 	struct thermal_zone_device *tzd;
71
+	const char *irq_name;
6372 	uint32_t id;
6473 	uint32_t thres_temp;
6574 };
6675 
76
+struct hisi_thermal_ops {
77
+	int (*get_temp)(struct hisi_thermal_sensor *sensor);
78
+	int (*enable_sensor)(struct hisi_thermal_sensor *sensor);
79
+	int (*disable_sensor)(struct hisi_thermal_sensor *sensor);
80
+	int (*irq_handler)(struct hisi_thermal_sensor *sensor);
81
+	int (*probe)(struct hisi_thermal_data *data);
82
+};
83
+
6784 struct hisi_thermal_data {
68
-	int (*get_temp)(struct hisi_thermal_data *data);
69
-	int (*enable_sensor)(struct hisi_thermal_data *data);
70
-	int (*disable_sensor)(struct hisi_thermal_data *data);
71
-	int (*irq_handler)(struct hisi_thermal_data *data);
85
+	const struct hisi_thermal_ops *ops;
86
+	struct hisi_thermal_sensor *sensor;
7287 	struct platform_device *pdev;
7388 	struct clk *clk;
74
-	struct hisi_thermal_sensor sensor;
7589 	void __iomem *regs;
76
-	int irq;
90
+	int nr_sensors;
7791 };
7892 
7993 /*
....@@ -266,30 +280,40 @@
266280 	       (value << 4), addr + HI6220_TEMP0_CFG);
267281 }
268282 
269
-static int hi6220_thermal_irq_handler(struct hisi_thermal_data *data)
283
+static int hi6220_thermal_irq_handler(struct hisi_thermal_sensor *sensor)
270284 {
285
+	struct hisi_thermal_data *data = sensor->data;
286
+
271287 	hi6220_thermal_alarm_clear(data->regs, 1);
272288 	return 0;
273289 }
274290 
275
-static int hi3660_thermal_irq_handler(struct hisi_thermal_data *data)
291
+static int hi3660_thermal_irq_handler(struct hisi_thermal_sensor *sensor)
276292 {
277
-	hi3660_thermal_alarm_clear(data->regs, data->sensor.id, 1);
293
+	struct hisi_thermal_data *data = sensor->data;
294
+
295
+	hi3660_thermal_alarm_clear(data->regs, sensor->id, 1);
278296 	return 0;
279297 }
280298 
281
-static int hi6220_thermal_get_temp(struct hisi_thermal_data *data)
299
+static int hi6220_thermal_get_temp(struct hisi_thermal_sensor *sensor)
282300 {
301
+	struct hisi_thermal_data *data = sensor->data;
302
+
283303 	return hi6220_thermal_get_temperature(data->regs);
284304 }
285305 
286
-static int hi3660_thermal_get_temp(struct hisi_thermal_data *data)
306
+static int hi3660_thermal_get_temp(struct hisi_thermal_sensor *sensor)
287307 {
288
-	return hi3660_thermal_get_temperature(data->regs, data->sensor.id);
308
+	struct hisi_thermal_data *data = sensor->data;
309
+
310
+	return hi3660_thermal_get_temperature(data->regs, sensor->id);
289311 }
290312 
291
-static int hi6220_thermal_disable_sensor(struct hisi_thermal_data *data)
313
+static int hi6220_thermal_disable_sensor(struct hisi_thermal_sensor *sensor)
292314 {
315
+	struct hisi_thermal_data *data = sensor->data;
316
+
293317 	/* disable sensor module */
294318 	hi6220_thermal_enable(data->regs, 0);
295319 	hi6220_thermal_alarm_enable(data->regs, 0);
....@@ -300,16 +324,18 @@
300324 	return 0;
301325 }
302326 
303
-static int hi3660_thermal_disable_sensor(struct hisi_thermal_data *data)
327
+static int hi3660_thermal_disable_sensor(struct hisi_thermal_sensor *sensor)
304328 {
329
+	struct hisi_thermal_data *data = sensor->data;
330
+
305331 	/* disable sensor module */
306
-	hi3660_thermal_alarm_enable(data->regs, data->sensor.id, 0);
332
+	hi3660_thermal_alarm_enable(data->regs, sensor->id, 0);
307333 	return 0;
308334 }
309335 
310
-static int hi6220_thermal_enable_sensor(struct hisi_thermal_data *data)
336
+static int hi6220_thermal_enable_sensor(struct hisi_thermal_sensor *sensor)
311337 {
312
-	struct hisi_thermal_sensor *sensor = &data->sensor;
338
+	struct hisi_thermal_data *data = sensor->data;
313339 	int ret;
314340 
315341 	/* enable clock for tsensor */
....@@ -345,10 +371,10 @@
345371 	return 0;
346372 }
347373 
348
-static int hi3660_thermal_enable_sensor(struct hisi_thermal_data *data)
374
+static int hi3660_thermal_enable_sensor(struct hisi_thermal_sensor *sensor)
349375 {
350376 	unsigned int value;
351
-	struct hisi_thermal_sensor *sensor = &data->sensor;
377
+	struct hisi_thermal_data *data = sensor->data;
352378 
353379 	/* disable interrupt */
354380 	hi3660_thermal_alarm_enable(data->regs, sensor->id, 0);
....@@ -371,20 +397,7 @@
371397 {
372398 	struct platform_device *pdev = data->pdev;
373399 	struct device *dev = &pdev->dev;
374
-	struct resource *res;
375400 	int ret;
376
-
377
-	data->get_temp = hi6220_thermal_get_temp;
378
-	data->enable_sensor = hi6220_thermal_enable_sensor;
379
-	data->disable_sensor = hi6220_thermal_disable_sensor;
380
-	data->irq_handler = hi6220_thermal_irq_handler;
381
-
382
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
383
-	data->regs = devm_ioremap_resource(dev, res);
384
-	if (IS_ERR(data->regs)) {
385
-		dev_err(dev, "failed to get io address\n");
386
-		return PTR_ERR(data->regs);
387
-	}
388401 
389402 	data->clk = devm_clk_get(dev, "thermal_clk");
390403 	if (IS_ERR(data->clk)) {
....@@ -394,11 +407,14 @@
394407 		return ret;
395408 	}
396409 
397
-	data->irq = platform_get_irq(pdev, 0);
398
-	if (data->irq < 0)
399
-		return data->irq;
410
+	data->sensor = devm_kzalloc(dev, sizeof(*data->sensor), GFP_KERNEL);
411
+	if (!data->sensor)
412
+		return -ENOMEM;
400413 
401
-	data->sensor.id = HI6220_DEFAULT_SENSOR;
414
+	data->sensor[0].id = HI6220_CLUSTER0_SENSOR;
415
+	data->sensor[0].irq_name = "tsensor_intr";
416
+	data->sensor[0].data = data;
417
+	data->nr_sensors = 1;
402418 
403419 	return 0;
404420 }
....@@ -407,38 +423,30 @@
407423 {
408424 	struct platform_device *pdev = data->pdev;
409425 	struct device *dev = &pdev->dev;
410
-	struct resource *res;
411426 
412
-	data->get_temp = hi3660_thermal_get_temp;
413
-	data->enable_sensor = hi3660_thermal_enable_sensor;
414
-	data->disable_sensor = hi3660_thermal_disable_sensor;
415
-	data->irq_handler = hi3660_thermal_irq_handler;
427
+	data->nr_sensors = 1;
416428 
417
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
418
-	data->regs = devm_ioremap_resource(dev, res);
419
-	if (IS_ERR(data->regs)) {
420
-		dev_err(dev, "failed to get io address\n");
421
-		return PTR_ERR(data->regs);
422
-	}
429
+	data->sensor = devm_kzalloc(dev, sizeof(*data->sensor) *
430
+				    data->nr_sensors, GFP_KERNEL);
431
+	if (!data->sensor)
432
+		return -ENOMEM;
423433 
424
-	data->irq = platform_get_irq(pdev, 0);
425
-	if (data->irq < 0)
426
-		return data->irq;
427
-
428
-	data->sensor.id = HI3660_DEFAULT_SENSOR;
434
+	data->sensor[0].id = HI3660_BIG_SENSOR;
435
+	data->sensor[0].irq_name = "tsensor_a73";
436
+	data->sensor[0].data = data;
429437 
430438 	return 0;
431439 }
432440 
433441 static int hisi_thermal_get_temp(void *__data, int *temp)
434442 {
435
-	struct hisi_thermal_data *data = __data;
436
-	struct hisi_thermal_sensor *sensor = &data->sensor;
443
+	struct hisi_thermal_sensor *sensor = __data;
444
+	struct hisi_thermal_data *data = sensor->data;
437445 
438
-	*temp = data->get_temp(data);
446
+	*temp = data->ops->get_temp(sensor);
439447 
440
-	dev_dbg(&data->pdev->dev, "id=%d, temp=%d, thres=%d\n",
441
-		sensor->id, *temp, sensor->thres_temp);
448
+	dev_dbg(&data->pdev->dev, "tzd=%p, id=%d, temp=%d, thres=%d\n",
449
+		sensor->tzd, sensor->id, *temp, sensor->thres_temp);
442450 
443451 	return 0;
444452 }
....@@ -449,38 +457,39 @@
449457 
450458 static irqreturn_t hisi_thermal_alarm_irq_thread(int irq, void *dev)
451459 {
452
-	struct hisi_thermal_data *data = dev;
453
-	struct hisi_thermal_sensor *sensor = &data->sensor;
460
+	struct hisi_thermal_sensor *sensor = dev;
461
+	struct hisi_thermal_data *data = sensor->data;
454462 	int temp = 0;
455463 
456
-	data->irq_handler(data);
464
+	data->ops->irq_handler(sensor);
457465 
458
-	hisi_thermal_get_temp(data, &temp);
466
+	hisi_thermal_get_temp(sensor, &temp);
459467 
460468 	if (temp >= sensor->thres_temp) {
461
-		dev_crit(&data->pdev->dev, "THERMAL ALARM: %d > %d\n",
462
-			 temp, sensor->thres_temp);
469
+		dev_crit(&data->pdev->dev,
470
+			 "sensor <%d> THERMAL ALARM: %d > %d\n",
471
+			 sensor->id, temp, sensor->thres_temp);
463472 
464
-		thermal_zone_device_update(data->sensor.tzd,
473
+		thermal_zone_device_update(sensor->tzd,
465474 					   THERMAL_EVENT_UNSPECIFIED);
466475 
467476 	} else {
468
-		dev_crit(&data->pdev->dev, "THERMAL ALARM stopped: %d < %d\n",
469
-			 temp, sensor->thres_temp);
477
+		dev_crit(&data->pdev->dev,
478
+			 "sensor <%d> THERMAL ALARM stopped: %d < %d\n",
479
+			 sensor->id, temp, sensor->thres_temp);
470480 	}
471481 
472482 	return IRQ_HANDLED;
473483 }
474484 
475485 static int hisi_thermal_register_sensor(struct platform_device *pdev,
476
-					struct hisi_thermal_data *data,
477486 					struct hisi_thermal_sensor *sensor)
478487 {
479488 	int ret, i;
480489 	const struct thermal_trip *trip;
481490 
482491 	sensor->tzd = devm_thermal_zone_of_sensor_register(&pdev->dev,
483
-							   sensor->id, data,
492
+							   sensor->id, sensor,
484493 							   &hisi_of_thermal_ops);
485494 	if (IS_ERR(sensor->tzd)) {
486495 		ret = PTR_ERR(sensor->tzd);
....@@ -502,14 +511,30 @@
502511 	return 0;
503512 }
504513 
514
+static const struct hisi_thermal_ops hi6220_ops = {
515
+	.get_temp	= hi6220_thermal_get_temp,
516
+	.enable_sensor	= hi6220_thermal_enable_sensor,
517
+	.disable_sensor	= hi6220_thermal_disable_sensor,
518
+	.irq_handler	= hi6220_thermal_irq_handler,
519
+	.probe		= hi6220_thermal_probe,
520
+};
521
+
522
+static const struct hisi_thermal_ops hi3660_ops = {
523
+	.get_temp	= hi3660_thermal_get_temp,
524
+	.enable_sensor	= hi3660_thermal_enable_sensor,
525
+	.disable_sensor	= hi3660_thermal_disable_sensor,
526
+	.irq_handler	= hi3660_thermal_irq_handler,
527
+	.probe		= hi3660_thermal_probe,
528
+};
529
+
505530 static const struct of_device_id of_hisi_thermal_match[] = {
506531 	{
507532 		.compatible = "hisilicon,tsensor",
508
-		.data = hi6220_thermal_probe
533
+		.data = &hi6220_ops,
509534 	},
510535 	{
511536 		.compatible = "hisilicon,hi3660-tsensor",
512
-		.data = hi3660_thermal_probe
537
+		.data = &hi3660_ops,
513538 	},
514539 	{ /* end */ }
515540 };
....@@ -520,16 +545,18 @@
520545 {
521546 	struct thermal_zone_device *tzd = sensor->tzd;
522547 
523
-	tzd->ops->set_mode(tzd,
524
-		on ? THERMAL_DEVICE_ENABLED : THERMAL_DEVICE_DISABLED);
548
+	if (on)
549
+		thermal_zone_device_enable(tzd);
550
+	else
551
+		thermal_zone_device_disable(tzd);
525552 }
526553 
527554 static int hisi_thermal_probe(struct platform_device *pdev)
528555 {
529556 	struct hisi_thermal_data *data;
530
-	int (*platform_probe)(struct hisi_thermal_data *);
531557 	struct device *dev = &pdev->dev;
532
-	int ret;
558
+	struct resource *res;
559
+	int i, ret;
533560 
534561 	data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
535562 	if (!data)
....@@ -537,41 +564,50 @@
537564 
538565 	data->pdev = pdev;
539566 	platform_set_drvdata(pdev, data);
567
+	data->ops = of_device_get_match_data(dev);
540568 
541
-	platform_probe = of_device_get_match_data(dev);
542
-	if (!platform_probe) {
543
-		dev_err(dev, "failed to get probe func\n");
544
-		return -EINVAL;
569
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
570
+	data->regs = devm_ioremap_resource(dev, res);
571
+	if (IS_ERR(data->regs)) {
572
+		dev_err(dev, "failed to get io address\n");
573
+		return PTR_ERR(data->regs);
545574 	}
546575 
547
-	ret = platform_probe(data);
576
+	ret = data->ops->probe(data);
548577 	if (ret)
549578 		return ret;
550579 
551
-	ret = hisi_thermal_register_sensor(pdev, data,
552
-					   &data->sensor);
553
-	if (ret) {
554
-		dev_err(dev, "failed to register thermal sensor: %d\n", ret);
555
-		return ret;
556
-	}
580
+	for (i = 0; i < data->nr_sensors; i++) {
581
+		struct hisi_thermal_sensor *sensor = &data->sensor[i];
557582 
558
-	ret = data->enable_sensor(data);
559
-	if (ret) {
560
-		dev_err(dev, "Failed to setup the sensor: %d\n", ret);
561
-		return ret;
562
-	}
563
-
564
-	if (data->irq) {
565
-		ret = devm_request_threaded_irq(dev, data->irq, NULL,
566
-				hisi_thermal_alarm_irq_thread,
567
-				IRQF_ONESHOT, "hisi_thermal", data);
568
-		if (ret < 0) {
569
-			dev_err(dev, "failed to request alarm irq: %d\n", ret);
583
+		ret = hisi_thermal_register_sensor(pdev, sensor);
584
+		if (ret) {
585
+			dev_err(dev, "failed to register thermal sensor: %d\n",
586
+				ret);
570587 			return ret;
571588 		}
572
-	}
573589 
574
-	hisi_thermal_toggle_sensor(&data->sensor, true);
590
+		ret = platform_get_irq(pdev, 0);
591
+		if (ret < 0)
592
+			return ret;
593
+
594
+		ret = devm_request_threaded_irq(dev, ret, NULL,
595
+						hisi_thermal_alarm_irq_thread,
596
+						IRQF_ONESHOT, sensor->irq_name,
597
+						sensor);
598
+		if (ret < 0) {
599
+			dev_err(dev, "Failed to request alarm irq: %d\n", ret);
600
+			return ret;
601
+		}
602
+
603
+		ret = data->ops->enable_sensor(sensor);
604
+		if (ret) {
605
+			dev_err(dev, "Failed to setup the sensor: %d\n", ret);
606
+			return ret;
607
+		}
608
+
609
+		hisi_thermal_toggle_sensor(sensor, true);
610
+	}
575611 
576612 	return 0;
577613 }
....@@ -579,11 +615,14 @@
579615 static int hisi_thermal_remove(struct platform_device *pdev)
580616 {
581617 	struct hisi_thermal_data *data = platform_get_drvdata(pdev);
582
-	struct hisi_thermal_sensor *sensor = &data->sensor;
618
+	int i;
583619 
584
-	hisi_thermal_toggle_sensor(sensor, false);
620
+	for (i = 0; i < data->nr_sensors; i++) {
621
+		struct hisi_thermal_sensor *sensor = &data->sensor[i];
585622 
586
-	data->disable_sensor(data);
623
+		hisi_thermal_toggle_sensor(sensor, false);
624
+		data->ops->disable_sensor(sensor);
625
+	}
587626 
588627 	return 0;
589628 }
....@@ -592,8 +631,10 @@
592631 static int hisi_thermal_suspend(struct device *dev)
593632 {
594633 	struct hisi_thermal_data *data = dev_get_drvdata(dev);
634
+	int i;
595635 
596
-	data->disable_sensor(data);
636
+	for (i = 0; i < data->nr_sensors; i++)
637
+		data->ops->disable_sensor(&data->sensor[i]);
597638 
598639 	return 0;
599640 }
....@@ -601,8 +642,12 @@
601642 static int hisi_thermal_resume(struct device *dev)
602643 {
603644 	struct hisi_thermal_data *data = dev_get_drvdata(dev);
645
+	int i, ret = 0;
604646 
605
-	return data->enable_sensor(data);
647
+	for (i = 0; i < data->nr_sensors; i++)
648
+		ret |= data->ops->enable_sensor(&data->sensor[i]);
649
+
650
+	return ret;
606651 }
607652 #endif
608653