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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/sound/soc/codecs/rk817_codec.c
..
..
@@ -67,7 +67,10 @@
67
67
 	struct regmap *regmap;
68
68
 	struct rk808 *rk817;
69
69
 	struct clk *mclk;
70
+	struct mutex clk_lock;
70
71
 
72
+	unsigned int clk_capture;
73
+	unsigned int clk_playback;
71
74
 	unsigned int stereo_sysclk;
72
75
 	unsigned int rate;
73
76
 
..
..
@@ -79,6 +82,7 @@
79
82
 	bool pdmdata_out_enable;
80
83
 	bool use_ext_amplifier;
81
84
 	bool adc_for_loopback;
85
+	bool resume_path;
82
86
 
83
87
 	bool out_l2spk_r2hp;
84
88
 	long int playback_path;
..
..
@@ -282,10 +286,10 @@
282
286
 	{RK817_CODEC_AREF_RTCFG1, 0x40},
283
287
 	{RK817_CODEC_DDAC_POPD_DACST, 0x02},
284
288
 	/* APLL */
285
-	{RK817_CODEC_APLL_CFG0, 0x04},
289
+	/* {RK817_CODEC_APLL_CFG0, 0x04}, */
286
290
 	{RK817_CODEC_APLL_CFG1, 0x58},
287
291
 	{RK817_CODEC_APLL_CFG2, 0x2d},
288
-	{RK817_CODEC_APLL_CFG4, 0xa5},
292
+	/* {RK817_CODEC_APLL_CFG4, 0xa5}, */
289
293
 	{RK817_CODEC_APLL_CFG5, 0x00},
290
294
 
291
295
 	{RK817_CODEC_DI2S_RXCMD_TSD, 0x00},
..
..
@@ -320,10 +324,10 @@
320
324
 	{RK817_CODEC_AREF_RTCFG1, 0x40},
321
325
 	{RK817_CODEC_DADC_SR_ACL0, 0x02},
322
326
 	/* {RK817_CODEC_DTOP_DIGEN_CLKE, 0xff}, */
323
-	{RK817_CODEC_APLL_CFG0, 0x04},
327
+	/* {RK817_CODEC_APLL_CFG0, 0x04}, */
324
328
 	{RK817_CODEC_APLL_CFG1, 0x58},
325
329
 	{RK817_CODEC_APLL_CFG2, 0x2d},
326
-	{RK817_CODEC_APLL_CFG4, 0xa5},
330
+	/* {RK817_CODEC_APLL_CFG4, 0xa5}, */
327
331
 	{RK817_CODEC_APLL_CFG5, 0x00},
328
332
 
329
333
 	/*{RK817_CODEC_DI2S_RXCMD_TSD, 0x00},*/
..
..
@@ -374,12 +378,16 @@
374
378
 						playback_power_up_list[i].value);
375
379
 		}
376
380
 
377
-		/* Re-configure APLL CFG0/4 if (chip_ver <= 0x4) */
381
+		/* configure APLL CFG0/4 */
378
382
 		if (rk817->chip_ver <= 0x4) {
379
383
 			DBG("%s (%d): SMIC TudorAG and previous versions\n",
380
384
 			    __func__, __LINE__);
381
385
 			snd_soc_component_write(component, RK817_CODEC_APLL_CFG0, 0x0c);
382
386
 			snd_soc_component_write(component, RK817_CODEC_APLL_CFG4, 0x95);
387
+		} else {
388
+			DBG("%s: SMIC TudorAG version later\n", __func__);
389
+			snd_soc_component_write(component, RK817_CODEC_APLL_CFG0, 0x04);
390
+			snd_soc_component_write(component, RK817_CODEC_APLL_CFG4, 0xa5);
383
391
 		}
384
392
 
385
393
 		snd_soc_component_update_bits(component, RK817_CODEC_DTOP_DIGEN_CLKE,
..
..
@@ -401,16 +409,20 @@
401
409
 						capture_power_up_list[i].value);
402
410
 		}
403
411
 
404
-		/* Re-configure APLL CFG0/4 if (chip_ver <= 0x4) */
412
+		/* configure APLL CFG0/4 */
405
413
 		if (rk817->chip_ver <= 0x4) {
406
414
 			DBG("%s (%d): SMIC TudorAG and previous versions\n",
407
415
 			    __func__, __LINE__);
408
416
 			snd_soc_component_write(component, RK817_CODEC_APLL_CFG0, 0x0c);
409
417
 			snd_soc_component_write(component, RK817_CODEC_APLL_CFG4, 0x95);
418
+		} else {
419
+			DBG("%s: SMIC TudorAG version later\n", __func__);
420
+			snd_soc_component_write(component, RK817_CODEC_APLL_CFG0, 0x04);
421
+			snd_soc_component_write(component, RK817_CODEC_APLL_CFG4, 0xa5);
410
422
 		}
411
423
 
412
424
 		snd_soc_component_update_bits(component, RK817_CODEC_DTOP_DIGEN_CLKE,
413
-					      ADC_DIG_CLK_MASK, DAC_DIG_CLK_DIS);
425
+					      ADC_DIG_CLK_MASK, ADC_DIG_CLK_DIS);
414
426
 		usleep_range(2000, 2500);
415
427
 		snd_soc_component_update_bits(component, RK817_CODEC_DTOP_DIGEN_CLKE,
416
428
 					      ADC_DIG_CLK_MASK, ADC_DIG_CLK_EN);
..
..
@@ -506,10 +518,7 @@
506
518
 static const char * const rk817_capture_path_mode[] = {
507
519
 	"MIC OFF", "Main Mic", "Hands Free Mic", "BT Sco Mic"};
508
520
 
509
-static const char * const rk817_call_path_mode[] = {
510
-	"OFF", "RCV", "SPK", "HP", "HP_NO_MIC", "BT"}; /* 0-5 */
511
-
512
-static const char * const rk817_modem_input_mode[] = {"OFF", "ON"};
521
+static const char * const rk817_binary_mode[] = {"OFF", "ON"};
513
522
 
514
523
 static SOC_ENUM_SINGLE_DECL(rk817_playback_path_type,
515
524
 	0, 0, rk817_playback_path_mode);
..
..
@@ -517,11 +526,8 @@
517
526
 static SOC_ENUM_SINGLE_DECL(rk817_capture_path_type,
518
527
 	0, 0, rk817_capture_path_mode);
519
528
 
520
-static SOC_ENUM_SINGLE_DECL(rk817_call_path_type,
521
-	0, 0, rk817_call_path_mode);
522
-
523
-static SOC_ENUM_SINGLE_DECL(rk817_modem_input_type,
524
-	0, 0, rk817_modem_input_mode);
529
+static SOC_ENUM_SINGLE_DECL(rk817_resume_path_type,
530
+	0, 0, rk817_binary_mode);
525
531
 
526
532
 static int rk817_playback_path_config(struct snd_soc_component *component,
527
533
 				      long pre_path, long target_path)
..
..
@@ -533,10 +539,19 @@
533
539
 	DBG("%s : set playback_path %ld, pre_path %ld\n",
534
540
 	    __func__, rk817->playback_path, pre_path);
535
541
 
536
-	if (rk817->playback_path != OFF)
537
-		clk_prepare_enable(rk817->mclk);
538
-	else
539
-		clk_disable_unprepare(rk817->mclk);
542
+	mutex_lock(&rk817->clk_lock);
543
+	if (rk817->playback_path != OFF) {
544
+		if (rk817->clk_playback == 0) {
545
+			clk_prepare_enable(rk817->mclk);
546
+			rk817->clk_playback++;
547
+		}
548
+	} else {
549
+		if (rk817->clk_playback > 0) {
550
+			clk_disable_unprepare(rk817->mclk);
551
+			rk817->clk_playback--;
552
+		}
553
+	}
554
+	mutex_unlock(&rk817->clk_lock);
540
555
 
541
556
 	switch (rk817->playback_path) {
542
557
 	case OFF:
..
..
@@ -720,10 +735,19 @@
720
735
 	DBG("%s : set capture_path %ld, pre_path %ld\n", __func__,
721
736
 	    rk817->capture_path, pre_path);
722
737
 
723
-	if (rk817->capture_path != MIC_OFF)
724
-		clk_prepare_enable(rk817->mclk);
725
-	else
726
-		clk_disable_unprepare(rk817->mclk);
738
+	mutex_lock(&rk817->clk_lock);
739
+	if (rk817->capture_path != MIC_OFF) {
740
+		if (rk817->clk_capture == 0) {
741
+			clk_prepare_enable(rk817->mclk);
742
+			rk817->clk_capture++;
743
+		}
744
+	} else {
745
+		if (rk817->clk_capture > 0) {
746
+			clk_disable_unprepare(rk817->mclk);
747
+			rk817->clk_capture--;
748
+		}
749
+	}
750
+	mutex_unlock(&rk817->clk_lock);
727
751
 
728
752
 	switch (rk817->capture_path) {
729
753
 	case MIC_OFF:
..
..
@@ -842,12 +866,39 @@
842
866
 					 ucontrol->value.integer.value[0]);
843
867
 }
844
868
 
869
+static int rk817_resume_path_get(struct snd_kcontrol *kcontrol,
870
+				 struct snd_ctl_elem_value *ucontrol)
871
+{
872
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
873
+	struct rk817_codec_priv *rk817 = snd_soc_component_get_drvdata(component);
874
+
875
+	DBG("%s : resume_path %ld\n", __func__, rk817->resume_path);
876
+
877
+	ucontrol->value.integer.value[0] = rk817->resume_path;
878
+
879
+	return 0;
880
+}
881
+
882
+static int rk817_resume_path_put(struct snd_kcontrol *kcontrol,
883
+				 struct snd_ctl_elem_value *ucontrol)
884
+{
885
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
886
+	struct rk817_codec_priv *rk817 = snd_soc_component_get_drvdata(component);
887
+
888
+	rk817->resume_path = ucontrol->value.integer.value[0];
889
+
890
+	return 0;
891
+}
892
+
845
893
 static struct snd_kcontrol_new rk817_snd_path_controls[] = {
846
894
 	SOC_ENUM_EXT("Playback Path", rk817_playback_path_type,
847
895
 		     rk817_playback_path_get, rk817_playback_path_put),
848
896
 
849
897
 	SOC_ENUM_EXT("Capture MIC Path", rk817_capture_path_type,
850
898
 		     rk817_capture_path_get, rk817_capture_path_put),
899
+
900
+	SOC_ENUM_EXT("Resume Path", rk817_resume_path_type,
901
+		     rk817_resume_path_get, rk817_resume_path_put),
851
902
 };
852
903
 
853
904
 static int rk817_set_dai_sysclk(struct snd_soc_dai *codec_dai,
..
..
@@ -892,8 +943,7 @@
892
943
 			   struct snd_pcm_hw_params *params,
893
944
 			    struct snd_soc_dai *dai)
894
945
 {
895
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
896
-	struct snd_soc_component *component = rtd->codec_dai->component;
946
+	struct snd_soc_component *component = dai->component;
897
947
 	struct rk817_codec_priv *rk817 = snd_soc_component_get_drvdata(component);
898
948
 	unsigned int rate = params_rate(params);
899
949
 	unsigned char apll_cfg3_val;
..
..
@@ -946,14 +996,22 @@
946
996
 	 * is before playback/capture_path_put, therefore, we need to configure
947
997
 	 * APLL_CFG3/DTOP_DIGEN_CLKE/DDAC_SR_LMT0 for different sample rates.
948
998
 	 */
949
-	snd_soc_component_write(component, RK817_CODEC_APLL_CFG3, apll_cfg3_val);
950
-	/* The 0x00 contains ADC_DIG_CLK_DIS and DAC_DIG_CLK_DIS */
951
-	snd_soc_component_update_bits(component, RK817_CODEC_DTOP_DIGEN_CLKE,
952
-				      dtop_digen_clke, 0x00);
953
-	snd_soc_component_update_bits(component, RK817_CODEC_DDAC_SR_LMT0,
954
-				      DACSRT_MASK, dtop_digen_sr_lmt0);
955
-	snd_soc_component_update_bits(component, RK817_CODEC_DTOP_DIGEN_CLKE,
956
-				      dtop_digen_clke, dtop_digen_clke);
999
+	if (!((substream->stream == SNDRV_PCM_STREAM_CAPTURE) && rk817->pdmdata_out_enable)) {
1000
+		snd_soc_component_write(component, RK817_CODEC_APLL_CFG3, apll_cfg3_val);
1001
+		/* The 0x00 contains ADC_DIG_CLK_DIS and DAC_DIG_CLK_DIS */
1002
+		snd_soc_component_update_bits(component, RK817_CODEC_DTOP_DIGEN_CLKE,
1003
+					      dtop_digen_clke, 0x00);
1004
+		snd_soc_component_update_bits(component, RK817_CODEC_DDAC_SR_LMT0,
1005
+					      DACSRT_MASK, dtop_digen_sr_lmt0);
1006
+		snd_soc_component_update_bits(component, RK817_CODEC_DTOP_DIGEN_CLKE,
1007
+					      dtop_digen_clke, dtop_digen_clke);
1008
+		snd_soc_component_update_bits(component, RK817_CODEC_APLL_CFG5,
1009
+					      PLL_PW_DOWN, PLL_PW_DOWN);
1010
+		usleep_range(50, 60);
1011
+		snd_soc_component_update_bits(component, RK817_CODEC_APLL_CFG5,
1012
+					      PLL_PW_DOWN, PLL_PW_UP);
1013
+		usleep_range(500, 600);
1014
+	}
957
1015
 
958
1016
 	switch (params_format(params)) {
959
1017
 	case SNDRV_PCM_FORMAT_S16_LE:
..
..
@@ -976,7 +1034,7 @@
976
1034
 	return 0;
977
1035
 }
978
1036
 
979
-static int rk817_digital_mute(struct snd_soc_dai *dai, int mute)
1037
+static int rk817_digital_mute_dac(struct snd_soc_dai *dai, int mute, int stream)
980
1038
 {
981
1039
 	struct snd_soc_component *component = dai->component;
982
1040
 	struct rk817_codec_priv *rk817 = snd_soc_component_get_drvdata(component);
..
..
@@ -998,7 +1056,11 @@
998
1056
 					      DAC_DIG_CLK_EN, DAC_DIG_CLK_DIS);
999
1057
 		snd_soc_component_update_bits(component, RK817_CODEC_DTOP_DIGEN_CLKE,
1000
1058
 					      DAC_DIG_CLK_EN, DAC_DIG_CLK_EN);
1059
+		snd_soc_component_update_bits(component, RK817_CODEC_DTOP_DIGEN_CLKE,
1060
+					      I2SRX_EN_MASK, I2SRX_DIS);
1001
1061
 	} else {
1062
+		snd_soc_component_update_bits(component, RK817_CODEC_DTOP_DIGEN_CLKE,
1063
+					      I2SRX_EN_MASK, I2SRX_EN);
1002
1064
 		snd_soc_component_update_bits(component,
1003
1065
 					      RK817_CODEC_DDAC_MUTE_MIXCTL,
1004
1066
 					      DACMT_ENABLE, DACMT_DISABLE);
..
..
@@ -1048,6 +1110,28 @@
1048
1110
 	return 0;
1049
1111
 }
1050
1112
 
1113
+static int rk817_digital_mute_adc(struct snd_soc_dai *dai, int mute, int stream)
1114
+{
1115
+	struct snd_soc_component *component = dai->component;
1116
+
1117
+	if (mute)
1118
+		snd_soc_component_update_bits(component, RK817_CODEC_DTOP_DIGEN_CLKE,
1119
+					      I2STX_EN_MASK, I2STX_DIS);
1120
+	else
1121
+		snd_soc_component_update_bits(component, RK817_CODEC_DTOP_DIGEN_CLKE,
1122
+					      I2STX_EN_MASK, I2STX_EN);
1123
+
1124
+	return 0;
1125
+}
1126
+
1127
+static int rk817_digital_mute(struct snd_soc_dai *dai, int mute, int stream)
1128
+{
1129
+	if (stream == SNDRV_PCM_STREAM_PLAYBACK)
1130
+		return rk817_digital_mute_dac(dai, mute, stream);
1131
+	else
1132
+		return rk817_digital_mute_adc(dai, mute, stream);
1133
+}
1134
+
1051
1135
 #define RK817_PLAYBACK_RATES (SNDRV_PCM_RATE_8000 |\
1052
1136
 			      SNDRV_PCM_RATE_16000 |	\
1053
1137
 			      SNDRV_PCM_RATE_32000 |	\
..
..
@@ -1090,7 +1174,7 @@
1090
1174
 	.hw_params	= rk817_hw_params,
1091
1175
 	.set_fmt	= rk817_set_dai_fmt,
1092
1176
 	.set_sysclk	= rk817_set_dai_sysclk,
1093
-	.digital_mute	= rk817_digital_mute,
1177
+	.mute_stream	= rk817_digital_mute,
1094
1178
 	.shutdown	= rk817_codec_shutdown,
1095
1179
 };
1096
1180
 
..
..
@@ -1144,6 +1228,15 @@
1144
1228
 
1145
1229
 static int rk817_resume(struct snd_soc_component *component)
1146
1230
 {
1231
+	struct rk817_codec_priv *rk817 = snd_soc_component_get_drvdata(component);
1232
+
1233
+	if (rk817->resume_path) {
1234
+		if (rk817->capture_path != MIC_OFF)
1235
+			rk817_capture_path_config(component, OFF, rk817->capture_path);
1236
+		if (rk817->playback_path != OFF)
1237
+			rk817_playback_path_config(component, OFF, rk817->playback_path);
1238
+	}
1239
+
1147
1240
 	return 0;
1148
1241
 }
1149
1242
 
..
..
@@ -1165,14 +1258,17 @@
1165
1258
 	rk817->playback_path = OFF;
1166
1259
 	rk817->capture_path = MIC_OFF;
1167
1260
 
1168
-	chip_name = snd_soc_component_read32(component, RK817_PMIC_CHIP_NAME);
1169
-	chip_ver = snd_soc_component_read32(component, RK817_PMIC_CHIP_VER);
1261
+	chip_name = snd_soc_component_read(component, RK817_PMIC_CHIP_NAME);
1262
+	chip_ver = snd_soc_component_read(component, RK817_PMIC_CHIP_VER);
1170
1263
 	rk817->chip_ver = (chip_ver & 0x0f);
1171
1264
 	dev_info(component->dev, "%s: chip_name:0x%x, chip_ver:0x%x\n", __func__, chip_name, chip_ver);
1172
1265
 
1266
+	/* always enable mclk, and will disable mclk in rk817_remove */
1173
1267
 	clk_prepare_enable(rk817->mclk);
1174
1268
 	rk817_reset(component);
1175
-	clk_disable_unprepare(rk817->mclk);
1269
+	mutex_init(&rk817->clk_lock);
1270
+	rk817->clk_capture = 0;
1271
+	rk817->clk_playback = 0;
1176
1272
 
1177
1273
 	snd_soc_add_component_controls(component, rk817_snd_path_controls,
1178
1274
 				       ARRAY_SIZE(rk817_snd_path_controls));
..
..
@@ -1193,6 +1289,8 @@
1193
1289
 
1194
1290
 	rk817_codec_power_down(component, RK817_CODEC_ALL);
1195
1291
 	snd_soc_component_exit_regmap(component);
1292
+	mutex_destroy(&rk817->clk_lock);
1293
+	clk_disable_unprepare(rk817->mclk);
1196
1294
 	mdelay(10);
1197
1295
 
1198
1296
 }