1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * Codec driver for ST STA350 2.1-channel high-efficiency digital audio system
35 #include <sound/soc-dapm.h>
55 /* Power-up register defaults */
57 	{  0x0, 0x63 },
58 	{  0x1, 0x80 },
59 	{  0x2, 0xdf },
60 	{  0x3, 0x40 },
61 	{  0x4, 0xc2 },
62 	{  0x5, 0x5c },
63 	{  0x6, 0x00 },
64 	{  0x7, 0xff },
65 	{  0x8, 0x60 },
66 	{  0x9, 0x60 },
67 	{  0xa, 0x60 },
68 	{  0xb, 0x00 },
69 	{  0xc, 0x00 },
70 	{  0xd, 0x00 },
71 	{  0xe, 0x00 },
72 	{  0xf, 0x40 },
73 	{ 0x10, 0x80 },
74 	{ 0x11, 0x77 },
75 	{ 0x12, 0x6a },
76 	{ 0x13, 0x69 },
77 	{ 0x14, 0x6a },
78 	{ 0x15, 0x69 },
79 	{ 0x16, 0x00 },
80 	{ 0x17, 0x00 },
81 	{ 0x18, 0x00 },
82 	{ 0x19, 0x00 },
83 	{ 0x1a, 0x00 },
84 	{ 0x1b, 0x00 },
85 	{ 0x1c, 0x00 },
86 	{ 0x1d, 0x00 },
87 	{ 0x1e, 0x00 },
88 	{ 0x1f, 0x00 },
89 	{ 0x20, 0x00 },
90 	{ 0x21, 0x00 },
91 	{ 0x22, 0x00 },
92 	{ 0x23, 0x00 },
93 	{ 0x24, 0x00 },
94 	{ 0x25, 0x00 },
95 	{ 0x26, 0x00 },
96 	{ 0x27, 0x2a },
97 	{ 0x28, 0xc0 },
98 	{ 0x29, 0xf3 },
99 	{ 0x2a, 0x33 },
100 	{ 0x2b, 0x00 },
101 	{ 0x2c, 0x0c },
102 	{ 0x31, 0x00 },
103 	{ 0x36, 0x00 },
104 	{ 0x37, 0x00 },
105 	{ 0x38, 0x00 },
106 	{ 0x39, 0x01 },
107 	{ 0x3a, 0xee },
108 	{ 0x3b, 0xff },
109 	{ 0x3c, 0x7e },
110 	{ 0x3d, 0xc0 },
111 	{ 0x3e, 0x26 },
112 	{ 0x3f, 0x00 },
113 	{ 0x48, 0x00 },
114 	{ 0x49, 0x00 },
115 	{ 0x4a, 0x00 },
116 	{ 0x4b, 0x04 },
117 	{ 0x4c, 0x00 },
156 	"vdd-dig",	/* digital supply, 3.3V */
157 	"vdd-pll",	/* pll supply, 3.3V */
158 	"vcc"		/* power amp supply, 5V - 26V */
179 static const DECLARE_TLV_DB_SCALE(mvol_tlv, -12750, 50, 1);
180 static const DECLARE_TLV_DB_SCALE(chvol_tlv, -7950, 50, 1);
181 static const DECLARE_TLV_DB_SCALE(tone_tlv, -1200, 200, 0);
184 	"Anti-Clipping", "Dynamic Range Compression"
196 	"FFX 3-state output - normal operation", "Binary output"
216 	0, 7, TLV_DB_SCALE_ITEM(-1200, 200, 0),
217 	8, 16, TLV_DB_SCALE_ITEM(300, 100, 0),
221 	0, 0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 0),
222 	1, 1, TLV_DB_SCALE_ITEM(-2900, 0, 0),
223 	2, 2, TLV_DB_SCALE_ITEM(-2000, 0, 0),
224 	3, 8, TLV_DB_SCALE_ITEM(-1400, 200, 0),
225 	8, 16, TLV_DB_SCALE_ITEM(-700, 100, 0),
229 	0, 7, TLV_DB_SCALE_ITEM(-3100, 200, 0),
230 	8, 13, TLV_DB_SCALE_ITEM(-1600, 100, 0),
231 	14, 16, TLV_DB_SCALE_ITEM(-1000, 300, 0),
235 	0, 0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 0),
236 	1, 2, TLV_DB_SCALE_ITEM(-3800, 200, 0),
237 	3, 4, TLV_DB_SCALE_ITEM(-3300, 200, 0),
238 	5, 12, TLV_DB_SCALE_ITEM(-3000, 200, 0),
239 	13, 16, TLV_DB_SCALE_ITEM(-1500, 300, 0),
296 	int numcoef = kcontrol->private_value >> 16;  in sta350_coefficient_info()
297 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;  in sta350_coefficient_info()
298 	uinfo->count = 3 * numcoef;  in sta350_coefficient_info()
299 	return 0;  in sta350_coefficient_info()
307 	int numcoef = kcontrol->private_value >> 16;  in sta350_coefficient_get()
308 	int index = kcontrol->private_value & 0xffff;  in sta350_coefficient_get()
310 	int i, ret = 0;  in sta350_coefficient_get()
312 	mutex_lock(&sta350->coeff_lock);  in sta350_coefficient_get()
315 	regmap_read(sta350->regmap, STA350_CFUD, &cfud);  in sta350_coefficient_get()
316 	cfud &= 0xf0;  in sta350_coefficient_get()
321 	regmap_write(sta350->regmap, STA350_CFUD, cfud);  in sta350_coefficient_get()
323 	regmap_write(sta350->regmap, STA350_CFADDR2, index);  in sta350_coefficient_get()
325 		regmap_write(sta350->regmap, STA350_CFUD, cfud | 0x04);  in sta350_coefficient_get()
327 		regmap_write(sta350->regmap, STA350_CFUD, cfud | 0x08);  in sta350_coefficient_get()
329 		ret = -EINVAL;  in sta350_coefficient_get()
333 	for (i = 0; i < 3 * numcoef; i++) {  in sta350_coefficient_get()
334 		regmap_read(sta350->regmap, STA350_B1CF1 + i, &val);  in sta350_coefficient_get()
335 		ucontrol->value.bytes.data[i] = val;  in sta350_coefficient_get()
339 	mutex_unlock(&sta350->coeff_lock);  in sta350_coefficient_get()
349 	int numcoef = kcontrol->private_value >> 16;  in sta350_coefficient_put()
350 	int index = kcontrol->private_value & 0xffff;  in sta350_coefficient_put()
355 	regmap_read(sta350->regmap, STA350_CFUD, &cfud);  in sta350_coefficient_put()
356 	cfud &= 0xf0;  in sta350_coefficient_put()
361 	regmap_write(sta350->regmap, STA350_CFUD, cfud);  in sta350_coefficient_put()
363 	regmap_write(sta350->regmap, STA350_CFADDR2, index);  in sta350_coefficient_put()
364 	for (i = 0; i < numcoef && (index + i < STA350_COEF_COUNT); i++)  in sta350_coefficient_put()
365 		sta350->coef_shadow[index + i] =  in sta350_coefficient_put()
366 			  (ucontrol->value.bytes.data[3 * i] << 16)  in sta350_coefficient_put()
367 			| (ucontrol->value.bytes.data[3 * i + 1] << 8)  in sta350_coefficient_put()
368 			| (ucontrol->value.bytes.data[3 * i + 2]);  in sta350_coefficient_put()
369 	for (i = 0; i < 3 * numcoef; i++)  in sta350_coefficient_put()
370 		regmap_write(sta350->regmap, STA350_B1CF1 + i,  in sta350_coefficient_put()
371 			     ucontrol->value.bytes.data[i]);  in sta350_coefficient_put()
373 		regmap_write(sta350->regmap, STA350_CFUD, cfud | 0x01);  in sta350_coefficient_put()
375 		regmap_write(sta350->regmap, STA350_CFUD, cfud | 0x02);  in sta350_coefficient_put()
377 		return -EINVAL;  in sta350_coefficient_put()
379 	return 0;  in sta350_coefficient_put()
389 	regmap_read(sta350->regmap, STA350_CFUD, &cfud);  in sta350_sync_coef_shadow()
390 	cfud &= 0xf0;  in sta350_sync_coef_shadow()
392 	for (i = 0; i < STA350_COEF_COUNT; i++) {  in sta350_sync_coef_shadow()
393 		regmap_write(sta350->regmap, STA350_CFADDR2, i);  in sta350_sync_coef_shadow()
394 		regmap_write(sta350->regmap, STA350_B1CF1,  in sta350_sync_coef_shadow()
395 			     (sta350->coef_shadow[i] >> 16) & 0xff);  in sta350_sync_coef_shadow()
396 		regmap_write(sta350->regmap, STA350_B1CF2,  in sta350_sync_coef_shadow()
397 			     (sta350->coef_shadow[i] >> 8) & 0xff);  in sta350_sync_coef_shadow()
398 		regmap_write(sta350->regmap, STA350_B1CF3,  in sta350_sync_coef_shadow()
399 			     (sta350->coef_shadow[i]) & 0xff);  in sta350_sync_coef_shadow()
402 		 * self-clearing, so do it explicitly  in sta350_sync_coef_shadow()
404 		regmap_write(sta350->regmap, STA350_CFUD, cfud);  in sta350_sync_coef_shadow()
405 		regmap_write(sta350->regmap, STA350_CFUD, cfud | 0x01);  in sta350_sync_coef_shadow()
407 	return 0;  in sta350_sync_coef_shadow()
417 	regmap_read(sta350->regmap, STA350_CFUD, &mute);  in sta350_cache_sync()
418 	regmap_write(sta350->regmap, STA350_MMUTE, mute | STA350_MMUTE_MMUTE);  in sta350_cache_sync()
420 	rc = regcache_sync(sta350->regmap);  in sta350_cache_sync()
421 	regmap_write(sta350->regmap, STA350_MMUTE, mute);  in sta350_cache_sync()
440 SOC_SINGLE_TLV("Master Volume", STA350_MVOL, 0, 0xff, 1, mvol_tlv),
442 SOC_SINGLE_TLV("Ch1 Volume", STA350_C1VOL, 0, 0xff, 1, chvol_tlv),
443 SOC_SINGLE_TLV("Ch2 Volume", STA350_C2VOL, 0, 0xff, 1, chvol_tlv),
444 SOC_SINGLE_TLV("Ch3 Volume", STA350_C3VOL, 0, 0xff, 1, chvol_tlv),
448 SOC_SINGLE("De-emphasis Filter Switch",
449 	   STA350_CONFD, STA350_CONFD_DEMP_SHIFT, 1, 0),
451 	   STA350_CONFD, STA350_CONFD_DSPB_SHIFT, 1, 0),
452 SOC_SINGLE("Post-scale Link Switch",
453 	   STA350_CONFD, STA350_CONFD_PSL_SHIFT, 1, 0),
455 	   STA350_CONFD, STA350_CONFD_BQL_SHIFT, 1, 0),
458 SOC_SINGLE("Zero-detect Mute Enable Switch",
459 	   STA350_CONFD, STA350_CONFD_ZDE_SHIFT, 1, 0),
461 	   STA350_CONFD, STA350_CONFD_SME_SHIFT, 1, 0),
463 SOC_SINGLE("Zero Cross Switch", STA350_CONFE, STA350_CONFE_ZCE_SHIFT, 1, 0),
464 SOC_SINGLE("Soft Ramp Switch", STA350_CONFE, STA350_CONFE_SVE_SHIFT, 1, 0),
469 SOC_SINGLE("Ch3 Switch", STA350_MMUTE, STA350_MMUTE_C3M_SHIFT, 1, 1),
475 	   STA350_C1CFG, STA350_CxCFG_TCB_SHIFT, 1, 0),
477 	   STA350_C2CFG, STA350_CxCFG_TCB_SHIFT, 1, 0),
479 	   STA350_C1CFG, STA350_CxCFG_EQBP_SHIFT, 1, 0),
481 	   STA350_C2CFG, STA350_CxCFG_EQBP_SHIFT, 1, 0),
483 	   STA350_C1CFG, STA350_CxCFG_VBP_SHIFT, 1, 0),
485 	   STA350_C1CFG, STA350_CxCFG_VBP_SHIFT, 1, 0),
486 SOC_SINGLE("Ch3 Master Volume Bypass Switch",
487 	   STA350_C1CFG, STA350_CxCFG_VBP_SHIFT, 1, 0),
490 SOC_ENUM("Ch3 Binary Output Select", sta350_binary_output_ch3_enum),
493 SOC_ENUM("Ch3 Limiter Select", sta350_limiter_ch3_enum),
496 		     STA350_TONE, STA350_TONE_BTC_SHIFT, 1, 13, 0, tone_tlv),
498 		     STA350_TONE, STA350_TONE_TTC_SHIFT, 1, 13, 0, tone_tlv),
510 	       16, 0, sta350_limiter_ac_attack_tlv),
513 	       16, 0, sta350_limiter_ac_attack_tlv),
516 	       16, 0, sta350_limiter_ac_release_tlv),
519 	       16, 0, sta350_limiter_ac_release_tlv),
522 	       16, 0, sta350_limiter_drc_attack_tlv),
525 	       16, 0, sta350_limiter_drc_attack_tlv),
528 	       16, 0, sta350_limiter_drc_release_tlv),
531 	       16, 0, sta350_limiter_drc_release_tlv),
533 BIQUAD_COEFS("Ch1 - Biquad 1", 0),
534 BIQUAD_COEFS("Ch1 - Biquad 2", 5),
535 BIQUAD_COEFS("Ch1 - Biquad 3", 10),
536 BIQUAD_COEFS("Ch1 - Biquad 4", 15),
537 BIQUAD_COEFS("Ch2 - Biquad 1", 20),
538 BIQUAD_COEFS("Ch2 - Biquad 2", 25),
539 BIQUAD_COEFS("Ch2 - Biquad 3", 30),
540 BIQUAD_COEFS("Ch2 - Biquad 4", 35),
541 BIQUAD_COEFS("High-pass", 40),
542 BIQUAD_COEFS("Low-pass", 45),
543 SINGLE_COEF("Ch1 - Prescale", 50),
544 SINGLE_COEF("Ch2 - Prescale", 51),
545 SINGLE_COEF("Ch1 - Postscale", 52),
546 SINGLE_COEF("Ch2 - Postscale", 53),
547 SINGLE_COEF("Ch3 - Postscale", 54),
548 SINGLE_COEF("Thermal warning - Postscale", 55),
549 SINGLE_COEF("Ch1 - Mix 1", 56),
550 SINGLE_COEF("Ch1 - Mix 2", 57),
551 SINGLE_COEF("Ch2 - Mix 1", 58),
552 SINGLE_COEF("Ch2 - Mix 2", 59),
553 SINGLE_COEF("Ch3 - Mix 1", 60),
554 SINGLE_COEF("Ch3 - Mix 2", 61),
558 SND_SOC_DAPM_DAC("DAC", NULL, SND_SOC_NOPM, 0, 0),
576 	{ 32000, 0 },
577 	{ 44100, 0 },
578 	{ 48000, 0 },
588 	{ 384, 256, 192, 128,  64,   0 },
589 	{ 192, 128,  96,  64,  32,   0 },
593  * sta350_set_dai_sysclk - configure MCLK
609 	struct snd_soc_component *component = codec_dai->component;  in sta350_set_dai_sysclk()
612 	dev_dbg(component->dev, "mclk=%u\n", freq);  in sta350_set_dai_sysclk()
613 	sta350->mclk = freq;  in sta350_set_dai_sysclk()
615 	return 0;  in sta350_set_dai_sysclk()
619  * sta350_set_dai_fmt - configure the codec for the selected audio format
629 	struct snd_soc_component *component = codec_dai->component;  in sta350_set_dai_fmt()
631 	unsigned int confb = 0;  in sta350_set_dai_fmt()
637 		return -EINVAL;  in sta350_set_dai_fmt()
644 		sta350->format = fmt & SND_SOC_DAIFMT_FORMAT_MASK;  in sta350_set_dai_fmt()
647 		return -EINVAL;  in sta350_set_dai_fmt()
658 		return -EINVAL;  in sta350_set_dai_fmt()
661 	return regmap_update_bits(sta350->regmap, STA350_CONFB,  in sta350_set_dai_fmt()
666  * sta350_hw_params - program the STA350 with the given hardware parameters.
678 	struct snd_soc_component *component = dai->component;  in sta350_hw_params()
680 	int i, mcs = -EINVAL, ir = -EINVAL;  in sta350_hw_params()
685 	if (!sta350->mclk) {  in sta350_hw_params()
686 		dev_err(component->dev,  in sta350_hw_params()
687 			"sta350->mclk is unset. Unable to determine ratio\n");  in sta350_hw_params()
688 		return -EIO;  in sta350_hw_params()
692 	ratio = sta350->mclk / rate;  in sta350_hw_params()
693 	dev_dbg(component->dev, "rate: %u, ratio: %u\n", rate, ratio);  in sta350_hw_params()
695 	for (i = 0; i < ARRAY_SIZE(interpolation_ratios); i++) {  in sta350_hw_params()
702 	if (ir < 0) {  in sta350_hw_params()
703 		dev_err(component->dev, "Unsupported samplerate: %u\n", rate);  in sta350_hw_params()
704 		return -EINVAL;  in sta350_hw_params()
707 	for (i = 0; i < 6; i++) {  in sta350_hw_params()
714 	if (mcs < 0) {  in sta350_hw_params()
715 		dev_err(component->dev, "Unresolvable ratio: %u\n", ratio);  in sta350_hw_params()
716 		return -EINVAL;  in sta350_hw_params()
721 	confb = 0;  in sta350_hw_params()
725 		dev_dbg(component->dev, "24bit\n");  in sta350_hw_params()
728 		dev_dbg(component->dev, "24bit or 32bit\n");  in sta350_hw_params()
729 		switch (sta350->format) {  in sta350_hw_params()
731 			confb |= 0x0;  in sta350_hw_params()
734 			confb |= 0x1;  in sta350_hw_params()
737 			confb |= 0x2;  in sta350_hw_params()
743 		dev_dbg(component->dev, "20bit\n");  in sta350_hw_params()
744 		switch (sta350->format) {  in sta350_hw_params()
746 			confb |= 0x4;  in sta350_hw_params()
749 			confb |= 0x5;  in sta350_hw_params()
752 			confb |= 0x6;  in sta350_hw_params()
758 		dev_dbg(component->dev, "18bit\n");  in sta350_hw_params()
759 		switch (sta350->format) {  in sta350_hw_params()
761 			confb |= 0x8;  in sta350_hw_params()
764 			confb |= 0x9;  in sta350_hw_params()
767 			confb |= 0xa;  in sta350_hw_params()
773 		dev_dbg(component->dev, "16bit\n");  in sta350_hw_params()
774 		switch (sta350->format) {  in sta350_hw_params()
776 			confb |= 0x0;  in sta350_hw_params()
779 			confb |= 0xd;  in sta350_hw_params()
782 			confb |= 0xe;  in sta350_hw_params()
788 		return -EINVAL;  in sta350_hw_params()
791 	ret = regmap_update_bits(sta350->regmap, STA350_CONFA,  in sta350_hw_params()
794 	if (ret < 0)  in sta350_hw_params()
797 	ret = regmap_update_bits(sta350->regmap, STA350_CONFB,  in sta350_hw_params()
800 	if (ret < 0)  in sta350_hw_params()
803 	return 0;  in sta350_hw_params()
808 	if (sta350->gpiod_power_down)  in sta350_startup_sequence()
809 		gpiod_set_value(sta350->gpiod_power_down, 1);  in sta350_startup_sequence()
811 	if (sta350->gpiod_nreset) {  in sta350_startup_sequence()
812 		gpiod_set_value(sta350->gpiod_nreset, 0);  in sta350_startup_sequence()
814 		gpiod_set_value(sta350->gpiod_nreset, 1);  in sta350_startup_sequence()
818 	return 0;  in sta350_startup_sequence()
822  * sta350_set_bias_level - DAPM callback
836 	dev_dbg(component->dev, "level = %d\n", level);  in sta350_set_bias_level()
843 		regmap_update_bits(sta350->regmap, STA350_CONFF,  in sta350_set_bias_level()
851 				ARRAY_SIZE(sta350->supplies),  in sta350_set_bias_level()
852 				sta350->supplies);  in sta350_set_bias_level()
853 			if (ret < 0) {  in sta350_set_bias_level()
854 				dev_err(component->dev,  in sta350_set_bias_level()
864 		regmap_update_bits(sta350->regmap, STA350_CONFF,  in sta350_set_bias_level()
866 				   0);  in sta350_set_bias_level()
872 		regmap_update_bits(sta350->regmap, STA350_CONFF,  in sta350_set_bias_level()
873 				   STA350_CONFF_PWDN | STA350_CONFF_EAPD, 0);  in sta350_set_bias_level()
876 		if (sta350->gpiod_power_down)  in sta350_set_bias_level()
877 			gpiod_set_value(sta350->gpiod_power_down, 0);  in sta350_set_bias_level()
879 		if (sta350->gpiod_nreset)  in sta350_set_bias_level()
880 			gpiod_set_value(sta350->gpiod_nreset, 0);  in sta350_set_bias_level()
882 		regulator_bulk_disable(ARRAY_SIZE(sta350->supplies),  in sta350_set_bias_level()
883 				       sta350->supplies);  in sta350_set_bias_level()
886 	return 0;  in sta350_set_bias_level()
896 	.name = "sta350-hifi",
910 	struct sta350_platform_data *pdata = sta350->pdata;  in sta350_probe()
911 	int i, ret = 0, thermal = 0;  in sta350_probe()
913 	ret = regulator_bulk_enable(ARRAY_SIZE(sta350->supplies),  in sta350_probe()
914 				    sta350->supplies);  in sta350_probe()
915 	if (ret < 0) {  in sta350_probe()
916 		dev_err(component->dev, "Failed to enable supplies: %d\n", ret);  in sta350_probe()
921 	if (ret < 0) {  in sta350_probe()
922 		dev_err(component->dev, "Failed to startup device\n");  in sta350_probe()
927 	if (!pdata->thermal_warning_recovery)  in sta350_probe()
929 	if (!pdata->thermal_warning_adjustment)  in sta350_probe()
931 	if (!pdata->fault_detect_recovery)  in sta350_probe()
933 	regmap_update_bits(sta350->regmap, STA350_CONFA,  in sta350_probe()
939 	regmap_update_bits(sta350->regmap, STA350_CONFC,  in sta350_probe()
941 			   pdata->ffx_power_output_mode  in sta350_probe()
943 	regmap_update_bits(sta350->regmap, STA350_CONFC,  in sta350_probe()
945 			   pdata->drop_compensation_ns  in sta350_probe()
947 	regmap_update_bits(sta350->regmap,  in sta350_probe()
950 			   pdata->oc_warning_adjustment ?  in sta350_probe()
951 				STA350_CONFC_OCRB : 0);  in sta350_probe()
954 	regmap_update_bits(sta350->regmap, STA350_CONFE,  in sta350_probe()
956 			   pdata->max_power_use_mpcc ?  in sta350_probe()
957 				STA350_CONFE_MPCV : 0);  in sta350_probe()
958 	regmap_update_bits(sta350->regmap, STA350_CONFE,  in sta350_probe()
960 			   pdata->max_power_correction ?  in sta350_probe()
961 				STA350_CONFE_MPC : 0);  in sta350_probe()
962 	regmap_update_bits(sta350->regmap, STA350_CONFE,  in sta350_probe()
964 			   pdata->am_reduction_mode ?  in sta350_probe()
965 				STA350_CONFE_AME : 0);  in sta350_probe()
966 	regmap_update_bits(sta350->regmap, STA350_CONFE,  in sta350_probe()
968 			   pdata->odd_pwm_speed_mode ?  in sta350_probe()
969 				STA350_CONFE_PWMS : 0);  in sta350_probe()
970 	regmap_update_bits(sta350->regmap, STA350_CONFE,  in sta350_probe()
972 			   pdata->distortion_compensation ?  in sta350_probe()
973 				STA350_CONFE_DCCV : 0);  in sta350_probe()
975 	regmap_update_bits(sta350->regmap, STA350_CONFF,  in sta350_probe()
977 			   pdata->invalid_input_detect_mute ?  in sta350_probe()
978 				STA350_CONFF_IDE : 0);  in sta350_probe()
979 	regmap_update_bits(sta350->regmap, STA350_CONFF,  in sta350_probe()
981 			   pdata->output_conf  in sta350_probe()
985 	regmap_update_bits(sta350->regmap, STA350_C1CFG,  in sta350_probe()
987 			   pdata->ch1_output_mapping  in sta350_probe()
989 	regmap_update_bits(sta350->regmap, STA350_C2CFG,  in sta350_probe()
991 			   pdata->ch2_output_mapping  in sta350_probe()
993 	regmap_update_bits(sta350->regmap, STA350_C3CFG,  in sta350_probe()
995 			   pdata->ch3_output_mapping  in sta350_probe()
999 	regmap_update_bits(sta350->regmap, STA350_MISC1,  in sta350_probe()
1001 			   pdata->activate_mute_output ?  in sta350_probe()
1002 				STA350_MISC1_CPWMEN : 0);  in sta350_probe()
1003 	regmap_update_bits(sta350->regmap, STA350_MISC1,  in sta350_probe()
1005 			   pdata->bridge_immediate_off ?  in sta350_probe()
1006 				STA350_MISC1_BRIDGOFF : 0);  in sta350_probe()
1007 	regmap_update_bits(sta350->regmap, STA350_MISC1,  in sta350_probe()
1009 			   pdata->noise_shape_dc_cut ?  in sta350_probe()
1010 				STA350_MISC1_NSHHPEN : 0);  in sta350_probe()
1011 	regmap_update_bits(sta350->regmap, STA350_MISC1,  in sta350_probe()
1013 			   pdata->powerdown_master_vol ?  in sta350_probe()
1014 				STA350_MISC1_RPDNEN: 0);  in sta350_probe()
1016 	regmap_update_bits(sta350->regmap, STA350_MISC2,  in sta350_probe()
1018 			   pdata->powerdown_delay_divider  in sta350_probe()
1023 		sta350->coef_shadow[i] = 0x400000;  in sta350_probe()
1025 		sta350->coef_shadow[i] = 0x7fffff;  in sta350_probe()
1026 	sta350->coef_shadow[55] = 0x5a9df7;  in sta350_probe()
1027 	sta350->coef_shadow[56] = 0x7fffff;  in sta350_probe()
1028 	sta350->coef_shadow[59] = 0x7fffff;  in sta350_probe()
1029 	sta350->coef_shadow[60] = 0x400000;  in sta350_probe()
1030 	sta350->coef_shadow[61] = 0x400000;  in sta350_probe()
1034 	regulator_bulk_disable(ARRAY_SIZE(sta350->supplies), sta350->supplies);  in sta350_probe()
1036 	return 0;  in sta350_probe()
1043 	regulator_bulk_disable(ARRAY_SIZE(sta350->supplies), sta350->supplies);  in sta350_remove()
1082 	[STA350_FFX_PM_DROP_COMP]		= "drop-compensation",
1083 	[STA350_FFX_PM_TAPERED_COMP]		= "tapered-compensation",
1084 	[STA350_FFX_PM_FULL_POWER]		= "full-power-mode",
1085 	[STA350_FFX_PM_VARIABLE_DROP_COMP]	= "variable-drop-compensation",
1090 	struct device_node *np = dev->of_node;  in sta350_probe_dt()
1098 		return -ENOMEM;  in sta350_probe_dt()
1100 	of_property_read_u8(np, "st,output-conf",  in sta350_probe_dt()
1101 			    &pdata->output_conf);  in sta350_probe_dt()
1102 	of_property_read_u8(np, "st,ch1-output-mapping",  in sta350_probe_dt()
1103 			    &pdata->ch1_output_mapping);  in sta350_probe_dt()
1104 	of_property_read_u8(np, "st,ch2-output-mapping",  in sta350_probe_dt()
1105 			    &pdata->ch2_output_mapping);  in sta350_probe_dt()
1106 	of_property_read_u8(np, "st,ch3-output-mapping",  in sta350_probe_dt()
1107 			    &pdata->ch3_output_mapping);  in sta350_probe_dt()
1109 	if (of_get_property(np, "st,thermal-warning-recovery", NULL))  in sta350_probe_dt()
1110 		pdata->thermal_warning_recovery = 1;  in sta350_probe_dt()
1111 	if (of_get_property(np, "st,thermal-warning-adjustment", NULL))  in sta350_probe_dt()
1112 		pdata->thermal_warning_adjustment = 1;  in sta350_probe_dt()
1113 	if (of_get_property(np, "st,fault-detect-recovery", NULL))  in sta350_probe_dt()
1114 		pdata->fault_detect_recovery = 1;  in sta350_probe_dt()
1116 	pdata->ffx_power_output_mode = STA350_FFX_PM_VARIABLE_DROP_COMP;  in sta350_probe_dt()
1117 	if (!of_property_read_string(np, "st,ffx-power-output-mode",  in sta350_probe_dt()
1119 		int i, mode = -EINVAL;  in sta350_probe_dt()
1121 		for (i = 0; i < ARRAY_SIZE(sta350_ffx_modes); i++)  in sta350_probe_dt()
1125 		if (mode < 0)  in sta350_probe_dt()
1129 			pdata->ffx_power_output_mode = mode;  in sta350_probe_dt()
1133 	of_property_read_u16(np, "st,drop-compensation-ns", &tmp);  in sta350_probe_dt()
1134 	pdata->drop_compensation_ns = clamp_t(u16, tmp, 0, 300) / 20;  in sta350_probe_dt()
1136 	if (of_get_property(np, "st,overcurrent-warning-adjustment", NULL))  in sta350_probe_dt()
1137 		pdata->oc_warning_adjustment = 1;  in sta350_probe_dt()
1140 	if (of_get_property(np, "st,max-power-use-mpcc", NULL))  in sta350_probe_dt()
1141 		pdata->max_power_use_mpcc = 1;  in sta350_probe_dt()
1143 	if (of_get_property(np, "st,max-power-correction", NULL))  in sta350_probe_dt()
1144 		pdata->max_power_correction = 1;  in sta350_probe_dt()
1146 	if (of_get_property(np, "st,am-reduction-mode", NULL))  in sta350_probe_dt()
1147 		pdata->am_reduction_mode = 1;  in sta350_probe_dt()
1149 	if (of_get_property(np, "st,odd-pwm-speed-mode", NULL))  in sta350_probe_dt()
1150 		pdata->odd_pwm_speed_mode = 1;  in sta350_probe_dt()
1152 	if (of_get_property(np, "st,distortion-compensation", NULL))  in sta350_probe_dt()
1153 		pdata->distortion_compensation = 1;  in sta350_probe_dt()
1156 	if (of_get_property(np, "st,invalid-input-detect-mute", NULL))  in sta350_probe_dt()
1157 		pdata->invalid_input_detect_mute = 1;  in sta350_probe_dt()
1160 	if (of_get_property(np, "st,activate-mute-output", NULL))  in sta350_probe_dt()
1161 		pdata->activate_mute_output = 1;  in sta350_probe_dt()
1163 	if (of_get_property(np, "st,bridge-immediate-off", NULL))  in sta350_probe_dt()
1164 		pdata->bridge_immediate_off = 1;  in sta350_probe_dt()
1166 	if (of_get_property(np, "st,noise-shape-dc-cut", NULL))  in sta350_probe_dt()
1167 		pdata->noise_shape_dc_cut = 1;  in sta350_probe_dt()
1169 	if (of_get_property(np, "st,powerdown-master-volume", NULL))  in sta350_probe_dt()
1170 		pdata->powerdown_master_vol = 1;  in sta350_probe_dt()
1172 	if (!of_property_read_u8(np, "st,powerdown-delay-divider", &tmp8)) {  in sta350_probe_dt()
1174 			pdata->powerdown_delay_divider = ilog2(tmp8);  in sta350_probe_dt()
1180 	sta350->pdata = pdata;  in sta350_probe_dt()
1182 	return 0;  in sta350_probe_dt()
1188 	struct device *dev = &i2c->dev;  in sta350_i2c_probe()
1194 		return -ENOMEM;  in sta350_i2c_probe()
1196 	mutex_init(&sta350->coeff_lock);  in sta350_i2c_probe()
1197 	sta350->pdata = dev_get_platdata(dev);  in sta350_i2c_probe()
1200 	if (dev->of_node) {  in sta350_i2c_probe()
1202 		if (ret < 0)  in sta350_i2c_probe()
1208 	sta350->gpiod_nreset = devm_gpiod_get_optional(dev, "reset",  in sta350_i2c_probe()
1210 	if (IS_ERR(sta350->gpiod_nreset))  in sta350_i2c_probe()
1211 		return PTR_ERR(sta350->gpiod_nreset);  in sta350_i2c_probe()
1213 	sta350->gpiod_power_down = devm_gpiod_get_optional(dev, "power-down",  in sta350_i2c_probe()
1215 	if (IS_ERR(sta350->gpiod_power_down))  in sta350_i2c_probe()
1216 		return PTR_ERR(sta350->gpiod_power_down);  in sta350_i2c_probe()
1219 	for (i = 0; i < ARRAY_SIZE(sta350->supplies); i++)  in sta350_i2c_probe()
1220 		sta350->supplies[i].supply = sta350_supply_names[i];  in sta350_i2c_probe()
1222 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(sta350->supplies),  in sta350_i2c_probe()
1223 				      sta350->supplies);  in sta350_i2c_probe()
1224 	if (ret < 0) {  in sta350_i2c_probe()
1229 	sta350->regmap = devm_regmap_init_i2c(i2c, &sta350_regmap);  in sta350_i2c_probe()
1230 	if (IS_ERR(sta350->regmap)) {  in sta350_i2c_probe()
1231 		ret = PTR_ERR(sta350->regmap);  in sta350_i2c_probe()
1239 	if (ret < 0)  in sta350_i2c_probe()
1249 	{ "sta350", 0 },