forked from ~ljy/RK356X_SDK_RELEASE
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2024-01-04 1543e317f1da31b75942316931e8f491a8920811 
 kernel/drivers/media/platform/rockchip/isp/hw.c
....@@ -35,6 +35,12 @@
3535  *                     rkisp_hw
3636  */
3737 
38
+struct backup_reg {
39
+	const u32 base;
40
+	const u32 shd;
41
+	u32 val;
42
+};
43
+
3844 struct isp_irqs_data {
3945 	const char *name;
4046 	irqreturn_t (*irq_hdl)(int irq, void *ctx);
....@@ -346,6 +352,192 @@
346352 	}
347353 
348354 	return 0;
355
+}
356
+
357
+void rkisp_hw_reg_save(struct rkisp_hw_dev *dev)
358
+{
359
+	void *buf = dev->sw_reg;
360
+
361
+	memcpy_fromio(buf, dev->base_addr, RKISP_ISP_SW_REG_SIZE);
362
+	if (dev->unite == ISP_UNITE_TWO) {
363
+		buf += RKISP_ISP_SW_REG_SIZE;
364
+		memcpy_fromio(buf, dev->base_next_addr, RKISP_ISP_SW_REG_SIZE);
365
+	}
366
+}
367
+
368
+void rkisp_hw_reg_restore(struct rkisp_hw_dev *dev)
369
+{
370
+	struct rkisp_device *isp = dev->isp[dev->cur_dev_id];
371
+	void __iomem *base = dev->base_addr;
372
+	void *reg_buf = dev->sw_reg;
373
+	u32 val, *reg, *reg1, i, j;
374
+	u32 self_upd_reg[] = {
375
+		ISP21_BAY3D_BASE, ISP21_DRC_BASE, ISP3X_BAY3D_CTRL,
376
+		ISP_DHAZ_CTRL, ISP3X_3DLUT_BASE, ISP_RAWAE_LITE_BASE,
377
+		RAWAE_BIG1_BASE, RAWAE_BIG2_BASE, RAWAE_BIG3_BASE,
378
+		ISP_RAWHIST_LITE_BASE, ISP_RAWHIST_BIG1_BASE,
379
+		ISP_RAWHIST_BIG2_BASE, ISP_RAWHIST_BIG3_BASE,
380
+		ISP_RAWAF_BASE, ISP_RAWAWB_BASE, ISP_LDCH_BASE,
381
+		ISP3X_CAC_BASE,
382
+	};
383
+	struct backup_reg backup[] = {
384
+		{
385
+			.base = MI_MP_WR_Y_BASE,
386
+			.shd = MI_MP_WR_Y_BASE_SHD,
387
+		}, {
388
+			.base = MI_MP_WR_CB_BASE,
389
+			.shd = MI_MP_WR_CB_BASE_SHD,
390
+		}, {
391
+			.base = MI_MP_WR_CR_BASE,
392
+			.shd = MI_MP_WR_CR_BASE_SHD,
393
+		}, {
394
+			.base = MI_SP_WR_Y_BASE,
395
+			.shd = MI_SP_WR_Y_BASE_SHD,
396
+		}, {
397
+			.base = MI_SP_WR_CB_BASE,
398
+			.shd = MI_SP_WR_CB_BASE_AD_SHD,
399
+		}, {
400
+			.base = MI_SP_WR_CR_BASE,
401
+			.shd = MI_SP_WR_CR_BASE_AD_SHD,
402
+		}, {
403
+			.base = ISP3X_MI_BP_WR_Y_BASE,
404
+			.shd = ISP3X_MI_BP_WR_Y_BASE_SHD,
405
+		}, {
406
+			.base = ISP3X_MI_BP_WR_CB_BASE,
407
+			.shd = ISP3X_MI_BP_WR_CB_BASE_SHD,
408
+		}, {
409
+			.base = ISP32_MI_MPDS_WR_Y_BASE,
410
+			.shd = ISP32_MI_MPDS_WR_Y_BASE_SHD,
411
+		}, {
412
+			.base = ISP32_MI_MPDS_WR_CB_BASE,
413
+			.shd = ISP32_MI_MPDS_WR_CB_BASE_SHD,
414
+		}, {
415
+			.base = ISP32_MI_BPDS_WR_Y_BASE,
416
+			.shd = ISP32_MI_BPDS_WR_Y_BASE_SHD,
417
+		}, {
418
+			.base = ISP32_MI_BPDS_WR_CB_BASE,
419
+			.shd = ISP32_MI_BPDS_WR_CB_BASE_SHD,
420
+		}, {
421
+			.base = MI_RAW0_WR_BASE,
422
+			.shd = MI_RAW0_WR_BASE_SHD,
423
+		}, {
424
+			.base = MI_RAW1_WR_BASE,
425
+			.shd = MI_RAW1_WR_BASE_SHD,
426
+		}, {
427
+			.base = MI_RAW2_WR_BASE,
428
+			.shd = MI_RAW2_WR_BASE_SHD,
429
+		}, {
430
+			.base = MI_RAW3_WR_BASE,
431
+			.shd = MI_RAW3_WR_BASE_SHD,
432
+		}, {
433
+			.base = MI_RAW0_RD_BASE,
434
+			.shd = MI_RAW0_RD_BASE_SHD,
435
+		}, {
436
+			.base = MI_RAW1_RD_BASE,
437
+			.shd = MI_RAW1_RD_BASE_SHD,
438
+		}, {
439
+			.base = MI_RAW2_RD_BASE,
440
+			.shd = MI_RAW2_RD_BASE_SHD,
441
+		}, {
442
+			.base = MI_GAIN_WR_BASE,
443
+			.shd = MI_GAIN_WR_BASE_SHD,
444
+		}
445
+	};
446
+
447
+	for (i = 0; i <= !!dev->unite; i++) {
448
+		if (dev->unite != ISP_UNITE_TWO && i)
449
+			break;
450
+
451
+		if (i) {
452
+			reg_buf += RKISP_ISP_SW_REG_SIZE;
453
+			base = dev->base_next_addr;
454
+		}
455
+
456
+		/* process special reg */
457
+		for (j = 0; j < ARRAY_SIZE(self_upd_reg); j++) {
458
+			reg = reg_buf + self_upd_reg[j];
459
+			*reg &= ~ISP21_SELF_FORCE_UPD;
460
+			if (self_upd_reg[j] == ISP3X_3DLUT_BASE && *reg & ISP_3DLUT_EN) {
461
+				reg = reg_buf + ISP3X_3DLUT_UPDATE;
462
+				*reg = 1;
463
+			}
464
+		}
465
+		reg = reg_buf + ISP_CTRL;
466
+		*reg &= ~(CIF_ISP_CTRL_ISP_ENABLE |
467
+			  CIF_ISP_CTRL_ISP_INFORM_ENABLE |
468
+			  CIF_ISP_CTRL_ISP_CFG_UPD);
469
+		reg = reg_buf + MI_WR_INIT;
470
+		*reg = 0;
471
+		reg = reg_buf + CSI2RX_CTRL0;
472
+		*reg &= ~SW_CSI2RX_EN;
473
+		for (j = 0; j < RKISP_ISP_SW_REG_SIZE; j += 4) {
474
+			/* skip table RAM */
475
+			if ((j > ISP3X_LSC_CTRL && j < ISP3X_LSC_XGRAD_01) ||
476
+			    (j > ISP32_CAC_OFFSET && j < ISP3X_CAC_RO_CNT) ||
477
+			    (j > ISP3X_3DLUT_UPDATE && j < ISP3X_GAIN_BASE) ||
478
+			    (j == 0x4840 || j == 0x4a80 || j == 0x4b40 || j == 0x5660))
479
+				continue;
480
+			/* skip mmu range */
481
+			if (dev->isp_ver < ISP_V30 &&
482
+			    j > ISP21_MI_BAY3D_RD_BASE_SHD && j < CSI2RX_CTRL0)
483
+				continue;
484
+			/* reg value of read diff to write */
485
+			if (j == ISP_MPFBC_CTRL ||
486
+			    j == ISP32_ISP_AWB1_GAIN_G || j == ISP32_ISP_AWB1_GAIN_RB)
487
+				reg = isp->sw_base_addr + j;
488
+			else
489
+				reg = reg_buf + j;
490
+			writel(*reg, base + j);
491
+		}
492
+
493
+		/* config shd_reg to base_reg */
494
+		for (j = 0; j < ARRAY_SIZE(backup); j++) {
495
+			reg = reg_buf + backup[j].base;
496
+			reg1 = reg_buf + backup[j].shd;
497
+			backup[j].val = *reg;
498
+			writel(*reg1, base + backup[j].base);
499
+		}
500
+
501
+		/* update module */
502
+		reg = reg_buf + DUAL_CROP_CTRL;
503
+		if (*reg & 0xf)
504
+			writel(*reg | CIF_DUAL_CROP_CFG_UPD, base + DUAL_CROP_CTRL);
505
+		reg = reg_buf + SELF_RESIZE_CTRL;
506
+		if (*reg & 0xf) {
507
+			if (dev->isp_ver == ISP_V32_L)
508
+				writel(*reg | ISP32_SCALE_FORCE_UPD, base + ISP32_SELF_SCALE_UPDATE);
509
+			else
510
+				writel(*reg | CIF_RSZ_CTRL_CFG_UPD, base + SELF_RESIZE_CTRL);
511
+		}
512
+		reg = reg_buf + MAIN_RESIZE_CTRL;
513
+		if (*reg & 0xf)
514
+			writel(*reg | CIF_RSZ_CTRL_CFG_UPD, base + MAIN_RESIZE_CTRL);
515
+		reg = reg_buf + ISP32_BP_RESIZE_CTRL;
516
+		if (*reg & 0xf)
517
+			writel(*reg | CIF_RSZ_CTRL_CFG_UPD, base + ISP32_BP_RESIZE_CTRL);
518
+
519
+		/* update mi and isp, base_reg will update to shd_reg */
520
+		writel(CIF_MI_INIT_SOFT_UPD, base + MI_WR_INIT);
521
+
522
+		/* config base_reg */
523
+		for (j = 0; j < ARRAY_SIZE(backup); j++)
524
+			writel(backup[j].val, base + backup[j].base);
525
+		/* base_reg = shd_reg, write is base but read is shd */
526
+		val = rkisp_read_reg_cache(isp, ISP_MPFBC_HEAD_PTR);
527
+		writel(val, base + ISP_MPFBC_HEAD_PTR);
528
+		val = rkisp_read_reg_cache(isp, MI_SWS_3A_WR_BASE);
529
+		writel(val, base + MI_SWS_3A_WR_BASE);
530
+	}
531
+
532
+	rkisp_params_cfgsram(&isp->params_vdev, false);
533
+
534
+	reg = reg_buf + ISP_CTRL;
535
+	*reg |= CIF_ISP_CTRL_ISP_ENABLE |
536
+		CIF_ISP_CTRL_ISP_CFG_UPD |
537
+		CIF_ISP_CTRL_ISP_INFORM_ENABLE;
538
+	writel(*reg, dev->base_addr + ISP_CTRL);
539
+	if (dev->unite == ISP_UNITE_TWO)
540
+		writel(*reg, dev->base_next_addr + ISP_CTRL);
349541 }
350542 
351543 static const char * const rk3562_isp_clks[] = {
....@@ -779,7 +971,6 @@
779971 static int enable_sys_clk(struct rkisp_hw_dev *dev)
780972 {
781973 	int i, ret = -EINVAL;
782
-	unsigned long rate;
783974 
784975 	for (i = 0; i < dev->num_clks; i++) {
785976 		if (!IS_ERR(dev->clks[i])) {
....@@ -789,12 +980,6 @@
789980 		}
790981 	}
791982 
792
-	if (!dev->is_assigned_clk) {
793
-		rate = dev->clk_rate_tbl[0].clk_rate * 1000000UL;
794
-		rkisp_set_clk_rate(dev->clks[0], rate);
795
-		if (dev->unite == ISP_UNITE_TWO)
796
-			rkisp_set_clk_rate(dev->clks[5], rate);
797
-	}
798983 	rkisp_soft_reset(dev, false);
799984 	isp_config_clk(dev, true);
800985 	return 0;
....@@ -851,19 +1036,24 @@
8511036 	struct device *dev = &pdev->dev;
8521037 	struct rkisp_hw_dev *hw_dev;
8531038 	struct resource *res;
854
-	int i, ret;
1039
+	int i, ret, mult = 1;
8551040 	bool is_mem_reserved = true;
8561041 	u32 clk_rate = 0;
8571042 
8581043 	match = of_match_node(rkisp_hw_of_match, node);
8591044 	if (IS_ERR(match))
8601045 		return PTR_ERR(match);
1046
+	match_data = match->data;
8611047 
8621048 	hw_dev = devm_kzalloc(dev, sizeof(*hw_dev), GFP_KERNEL);
8631049 	if (!hw_dev)
8641050 		return -ENOMEM;
8651051 
866
-	match_data = match->data;
1052
+	if (match_data->unite)
1053
+		mult = 2;
1054
+	hw_dev->sw_reg = devm_kzalloc(dev, RKISP_ISP_SW_REG_SIZE * mult, GFP_KERNEL);
1055
+	if (!hw_dev->sw_reg)
1056
+		return -ENOMEM;
8671057 	dev_set_drvdata(dev, hw_dev);
8681058 	hw_dev->dev = dev;
8691059 	hw_dev->is_thunderboot = IS_ENABLED(CONFIG_VIDEO_ROCKCHIP_THUNDER_BOOT_ISP);
....@@ -1041,11 +1231,23 @@
10411231 static int __maybe_unused rkisp_runtime_suspend(struct device *dev)
10421232 {
10431233 	struct rkisp_hw_dev *hw_dev = dev_get_drvdata(dev);
1234
+	int i;
10441235 
1045
-	hw_dev->dev_link_num = 0;
1046
-	hw_dev->is_single = true;
1047
-	hw_dev->is_multi_overflow = false;
1048
-	hw_dev->is_frm_buf = false;
1236
+	hw_dev->is_idle = true;
1237
+	if (dev->power.runtime_status) {
1238
+		hw_dev->dev_link_num = 0;
1239
+		hw_dev->is_single = true;
1240
+		hw_dev->is_multi_overflow = false;
1241
+		hw_dev->is_frm_buf = false;
1242
+	} else {
1243
+		/* system suspend */
1244
+		for (i = 0; i < hw_dev->dev_num; i++) {
1245
+			if (hw_dev->isp_size[i].is_on) {
1246
+				rkisp_hw_reg_save(hw_dev);
1247
+				break;
1248
+			}
1249
+		}
1250
+	}
10491251 	disable_sys_clk(hw_dev);
10501252 	return pinctrl_pm_select_sleep_state(dev);
10511253 }
....@@ -1055,7 +1257,6 @@
10551257 	struct rkisp_device *isp;
10561258 	u32 w, h, i;
10571259 
1058
-	memset(hw_dev->isp_size, 0, sizeof(hw_dev->isp_size));
10591260 	if (!hw_dev->max_in.is_fix) {
10601261 		hw_dev->max_in.w = 0;
10611262 		hw_dev->max_in.h = 0;
....@@ -1108,28 +1309,45 @@
11081309 		return ret;
11091310 
11101311 	enable_sys_clk(hw_dev);
1111
-	for (i = 0; i < hw_dev->dev_num; i++) {
1112
-		isp = hw_dev->isp[i];
1113
-		if (!isp || !isp->sw_base_addr)
1114
-			continue;
1115
-		buf = isp->sw_base_addr;
1116
-		memset(buf, 0, RKISP_ISP_SW_MAX_SIZE * mult);
1117
-		memcpy_fromio(buf, base, RKISP_ISP_SW_REG_SIZE);
1118
-		if (hw_dev->unite) {
1119
-			buf += RKISP_ISP_SW_MAX_SIZE;
1120
-			base = hw_dev->base_next_addr;
1121
-			memcpy_fromio(buf, base, RKISP_ISP_SW_REG_SIZE);
1312
+	if (dev->power.runtime_status) {
1313
+		if (!hw_dev->is_assigned_clk) {
1314
+			unsigned long rate = hw_dev->clk_rate_tbl[0].clk_rate * 1000000UL;
1315
+
1316
+			rkisp_set_clk_rate(hw_dev->clks[0], rate);
1317
+			if (hw_dev->unite == ISP_UNITE_TWO)
1318
+				rkisp_set_clk_rate(hw_dev->clks[5], rate);
11221319 		}
1123
-		default_sw_reg_flag(hw_dev->isp[i]);
1320
+		for (i = 0; i < hw_dev->dev_num; i++) {
1321
+			isp = hw_dev->isp[i];
1322
+			if (!isp || !isp->sw_base_addr)
1323
+				continue;
1324
+			buf = isp->sw_base_addr;
1325
+			memset(buf, 0, RKISP_ISP_SW_MAX_SIZE * mult);
1326
+			memcpy_fromio(buf, base, RKISP_ISP_SW_REG_SIZE);
1327
+			if (hw_dev->unite) {
1328
+				buf += RKISP_ISP_SW_MAX_SIZE;
1329
+				base = hw_dev->base_next_addr;
1330
+				memcpy_fromio(buf, base, RKISP_ISP_SW_REG_SIZE);
1331
+			}
1332
+			default_sw_reg_flag(hw_dev->isp[i]);
1333
+		}
1334
+		rkisp_hw_enum_isp_size(hw_dev);
1335
+		hw_dev->monitor.is_en = rkisp_monitor;
1336
+	} else {
1337
+		/* system resume */
1338
+		for (i = 0; i < hw_dev->dev_num; i++) {
1339
+			if (hw_dev->isp_size[i].is_on) {
1340
+				rkisp_hw_reg_restore(hw_dev);
1341
+				break;
1342
+			}
1343
+		}
11241344 	}
1125
-	rkisp_hw_enum_isp_size(hw_dev);
1126
-	hw_dev->monitor.is_en = rkisp_monitor;
11271345 	return 0;
11281346 }
11291347 
11301348 static const struct dev_pm_ops rkisp_hw_pm_ops = {
1131
-	SET_RUNTIME_PM_OPS(rkisp_runtime_suspend,
1132
-			   rkisp_runtime_resume, NULL)
1349
+	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume)
1350
+	SET_RUNTIME_PM_OPS(rkisp_runtime_suspend, rkisp_runtime_resume, NULL)
11331351 };
11341352 
11351353 static struct platform_driver rkisp_hw_drv = {