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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/soc/rockchip/pm_domains.c
..
..
@@ -93,19 +93,26 @@
93
93
 #define QOS_SATURATION		0x14
94
94
 #define QOS_EXTCONTROL		0x18
95
95
 
96
+#define SHAPING_NBPKTMAX0	0x0
97
+
96
98
 struct rockchip_pm_domain {
97
99
 	struct generic_pm_domain genpd;
98
100
 	const struct rockchip_domain_info *info;
99
101
 	struct rockchip_pmu *pmu;
100
102
 	int num_qos;
103
+	int num_shaping;
101
104
 	struct regmap **qos_regmap;
105
+	struct regmap **shaping_regmap;
102
106
 	u32 *qos_save_regs[MAX_QOS_REGS_NUM];
107
+	u32 *shaping_save_regs;
103
108
 	bool *qos_is_need_init[MAX_QOS_REGS_NUM];
109
+	bool *shaping_is_need_init;
104
110
 	int num_clks;
105
111
 	struct clk_bulk_data *clks;
106
112
 	bool is_ignore_pwr;
107
113
 	bool is_qos_saved;
108
114
 	bool is_qos_need_init;
115
+	bool is_shaping_need_init;
109
116
 	struct regulator *supply;
110
117
 };
111
118
 
..
..
@@ -124,35 +131,6 @@
124
131
 module_param_named(always_on, pm_domain_always_on, bool, 0644);
125
132
 MODULE_PARM_DESC(always_on,
126
133
 		 "Always keep pm domains power on except for system suspend.");
127
-
128
-#ifdef MODULE
129
-static bool keepon_startup = true;
130
-static void rockchip_pd_keepon_do_release(void);
131
-
132
-static int pd_param_set_keepon_startup(const char *val,
133
-				       const struct kernel_param *kp)
134
-{
135
-	int ret;
136
-
137
-	ret = param_set_bool(val, kp);
138
-	if (ret)
139
-		return ret;
140
-
141
-	if (!keepon_startup)
142
-		rockchip_pd_keepon_do_release();
143
-
144
-	return 0;
145
-}
146
-
147
-static const struct kernel_param_ops pd_keepon_startup_ops = {
148
-	.set	= pd_param_set_keepon_startup,
149
-	.get	= param_get_bool,
150
-};
151
-
152
-module_param_cb(keepon_startup, &pd_keepon_startup_ops, &keepon_startup, 0644);
153
-MODULE_PARM_DESC(keepon_startup,
154
-		 "Keep pm domains power on during system startup.");
155
-#endif
156
134
 
157
135
 static void rockchip_pmu_lock(struct rockchip_pm_domain *pd)
158
136
 {
..
..
@@ -459,6 +437,45 @@
459
437
 }
460
438
 EXPORT_SYMBOL(rockchip_pmu_idle_request);
461
439
 
440
+static int rockchip_pmu_save_shaping(struct rockchip_pm_domain *pd)
441
+{
442
+	int i;
443
+
444
+	for (i = 0; i < pd->num_shaping; i++)
445
+		regmap_read(pd->shaping_regmap[i], SHAPING_NBPKTMAX0,
446
+			    &pd->shaping_save_regs[i]);
447
+
448
+	return 0;
449
+}
450
+
451
+static int rockchip_pmu_restore_shaping(struct rockchip_pm_domain *pd)
452
+{
453
+	int i;
454
+
455
+	for (i = 0; i < pd->num_shaping; i++)
456
+		regmap_write(pd->shaping_regmap[i], SHAPING_NBPKTMAX0,
457
+			     pd->shaping_save_regs[i]);
458
+
459
+	return 0;
460
+}
461
+
462
+static void rockchip_pmu_init_shaping(struct rockchip_pm_domain *pd)
463
+{
464
+	int i;
465
+
466
+	if (!pd->is_shaping_need_init)
467
+		return;
468
+
469
+	for (i = 0; i < pd->num_shaping; i++)
470
+		if (pd->shaping_is_need_init[i])
471
+			regmap_write(pd->shaping_regmap[i], SHAPING_NBPKTMAX0,
472
+				     pd->shaping_save_regs[i]);
473
+
474
+	kfree(pd->shaping_is_need_init);
475
+	pd->shaping_is_need_init = NULL;
476
+	pd->is_shaping_need_init = false;
477
+}
478
+
462
479
 static int rockchip_pmu_save_qos(struct rockchip_pm_domain *pd)
463
480
 {
464
481
 	int i;
..
..
@@ -480,7 +497,8 @@
480
497
 			    QOS_EXTCONTROL,
481
498
 			    &pd->qos_save_regs[4][i]);
482
499
 	}
483
-	return 0;
500
+
501
+	return rockchip_pmu_save_shaping(pd);
484
502
 }
485
503
 
486
504
 static int rockchip_pmu_restore_qos(struct rockchip_pm_domain *pd)
..
..
@@ -505,12 +523,14 @@
505
523
 			     pd->qos_save_regs[4][i]);
506
524
 	}
507
525
 
508
-	return 0;
526
+	return rockchip_pmu_restore_shaping(pd);
509
527
 }
510
528
 
511
529
 static void rockchip_pmu_init_qos(struct rockchip_pm_domain *pd)
512
530
 {
513
531
 	int i;
532
+
533
+	rockchip_pmu_init_shaping(pd);
514
534
 
515
535
 	if (!pd->is_qos_need_init)
516
536
 		return;
..
..
@@ -809,7 +829,7 @@
809
829
 
810
830
 			if (pd->is_qos_saved)
811
831
 				rockchip_pmu_restore_qos(pd);
812
-			if (pd->is_qos_need_init)
832
+			if (pd->is_qos_need_init || pd->is_shaping_need_init)
813
833
 				rockchip_pmu_init_qos(pd);
814
834
 		}
815
835
 
..
..
@@ -949,8 +969,13 @@
949
969
 	if (!pd->is_qos_need_init) {
950
970
 		kfree(pd->qos_is_need_init[0]);
951
971
 		pd->qos_is_need_init[0] = NULL;
952
-		return;
953
972
 	}
973
+	if (!pd->is_shaping_need_init) {
974
+		kfree(pd->shaping_is_need_init);
975
+		pd->shaping_is_need_init = NULL;
976
+	}
977
+	if (!pd->is_qos_need_init && !pd->is_shaping_need_init)
978
+		return;
954
979
 
955
980
 	is_pd_on = rockchip_pmu_domain_is_on(pd);
956
981
 	if (is_pd_on) {
..
..
@@ -982,6 +1007,79 @@
982
1007
 	}
983
1008
 
984
1009
 	return 0;
1010
+}
1011
+
1012
+static int rockchip_pd_of_get_shaping(struct rockchip_pm_domain *pd,
1013
+				      struct device_node *node)
1014
+{
1015
+	struct rockchip_pmu *pmu = pd->pmu;
1016
+	struct device_node *shaping_node;
1017
+	int num_shaping = 0, num_shaping_reg = 0;
1018
+	int error, i;
1019
+	u32 val;
1020
+
1021
+	num_shaping = of_count_phandle_with_args(node, "pm_shaping", NULL);
1022
+
1023
+	for (i = 0; i < num_shaping; i++) {
1024
+		shaping_node = of_parse_phandle(node, "pm_shaping", i);
1025
+		if (shaping_node && of_device_is_available(shaping_node))
1026
+			pd->num_shaping++;
1027
+		of_node_put(shaping_node);
1028
+	}
1029
+
1030
+	if (pd->num_shaping > 0) {
1031
+		pd->shaping_regmap = devm_kcalloc(pmu->dev, pd->num_shaping,
1032
+						  sizeof(*pd->shaping_regmap),
1033
+						  GFP_KERNEL);
1034
+		if (!pd->shaping_regmap)
1035
+			return -ENOMEM;
1036
+		pd->shaping_save_regs = devm_kmalloc(pmu->dev, sizeof(u32) *
1037
+						     pd->num_shaping,
1038
+						     GFP_KERNEL);
1039
+		if (!pd->shaping_save_regs)
1040
+			return -ENOMEM;
1041
+		pd->shaping_is_need_init = kcalloc(pd->num_shaping, sizeof(bool),
1042
+						   GFP_KERNEL);
1043
+		if (!pd->shaping_is_need_init)
1044
+			return -ENOMEM;
1045
+		for (i = 0; i < num_shaping; i++) {
1046
+			shaping_node = of_parse_phandle(node, "pm_shaping", i);
1047
+			if (!shaping_node) {
1048
+				error = -ENODEV;
1049
+				goto err_free_init;
1050
+			}
1051
+			if (of_device_is_available(shaping_node)) {
1052
+				pd->shaping_regmap[num_shaping_reg] =
1053
+					syscon_node_to_regmap(shaping_node);
1054
+				if (IS_ERR(pd->shaping_regmap[num_shaping_reg])) {
1055
+					of_node_put(shaping_node);
1056
+					error =  -ENODEV;
1057
+					goto err_free_init;
1058
+				}
1059
+				if (!of_property_read_u32(shaping_node,
1060
+							  "shaping-init",
1061
+							  &val)) {
1062
+					pd->shaping_save_regs[i] = val;
1063
+					pd->shaping_is_need_init[i] = true;
1064
+					pd->is_shaping_need_init = true;
1065
+				}
1066
+				num_shaping_reg++;
1067
+			}
1068
+			of_node_put(shaping_node);
1069
+			if (num_shaping_reg > pd->num_shaping) {
1070
+				error =  -EINVAL;
1071
+				goto err_free_init;
1072
+			}
1073
+		}
1074
+	}
1075
+
1076
+	return 0;
1077
+
1078
+err_free_init:
1079
+	kfree(pd->shaping_is_need_init);
1080
+	pd->shaping_is_need_init = NULL;
1081
+
1082
+	return error;
985
1083
 }
986
1084
 
987
1085
 static int rockchip_pm_add_one_domain(struct rockchip_pmu *pmu,
..
..
@@ -1160,6 +1258,10 @@
1160
1258
 		}
1161
1259
 	}
1162
1260
 
1261
+	error = rockchip_pd_of_get_shaping(pd, node);
1262
+	if (error)
1263
+		goto err_unprepare_clocks;
1264
+
1163
1265
 	if (pd->info->name)
1164
1266
 		pd->genpd.name = pd->info->name;
1165
1267
 	else
..
..
@@ -1309,6 +1411,31 @@
1309
1411
 	return error;
1310
1412
 }
1311
1413
 
1414
+#ifdef MODULE
1415
+void rockchip_pd_disable_unused(void)
1416
+{
1417
+	struct generic_pm_domain *genpd;
1418
+	struct rockchip_pm_domain *pd;
1419
+	int i;
1420
+
1421
+	if (!g_pmu)
1422
+		return;
1423
+
1424
+	for (i = 0; i < g_pmu->genpd_data.num_domains; i++) {
1425
+		genpd = g_pmu->genpd_data.domains[i];
1426
+		if (genpd) {
1427
+			pd = to_rockchip_pd(genpd);
1428
+			if (pd->info->always_on)
1429
+				continue;
1430
+			if (pd->info->keepon_startup &&
1431
+			    (genpd->flags & GENPD_FLAG_ALWAYS_ON))
1432
+				genpd->flags &= (~GENPD_FLAG_ALWAYS_ON);
1433
+			queue_work(pm_wq, &genpd->power_off_work);
1434
+		}
1435
+	}
1436
+}
1437
+EXPORT_SYMBOL_GPL(rockchip_pd_disable_unused);
1438
+#else
1312
1439
 static void rockchip_pd_keepon_do_release(void)
1313
1440
 {
1314
1441
 	struct generic_pm_domain *genpd;
..
..
@@ -1334,7 +1461,6 @@
1334
1461
 	}
1335
1462
 }
1336
1463
 
1337
-#ifndef MODULE
1338
1464
 static int __init rockchip_pd_keepon_release(void)
1339
1465
 {
1340
1466
 	rockchip_pd_keepon_do_release();