1 // SPDX-License-Identifier: GPL-2.0
3 // Socionext UniPhier EVEA ADC/DAC codec driver.
5 // Copyright (c) 2016-2017 Socionext Inc.
8 #include <linux/module.h>
10 #include <linux/regmap.h>
11 #include <linux/reset.h>
12 #include <sound/pcm.h>
13 #include <sound/soc.h>
15 #define DRV_NAME "evea"
16 #define EVEA_RATES SNDRV_PCM_RATE_48000
17 #define EVEA_FORMATS SNDRV_PCM_FMTBIT_S32_LE
19 #define AADCPOW(n) (0x0078 + 0x04 * (n))
20 #define AADCPOW_AADC_POWD BIT(0)
21 #define ALINSW1 0x0088
22 #define ALINSW1_SEL1_SHIFT 3
23 #define AHPOUTPOW 0x0098
24 #define AHPOUTPOW_HP_ON BIT(4)
25 #define ALINEPOW 0x009c
26 #define ALINEPOW_LIN2_POWD BIT(3)
27 #define ALINEPOW_LIN1_POWD BIT(4)
28 #define ALO1OUTPOW 0x00a8
29 #define ALO1OUTPOW_LO1_ON BIT(4)
30 #define ALO2OUTPOW 0x00ac
31 #define ALO2OUTPOW_ADAC2_MUTE BIT(0)
32 #define ALO2OUTPOW_LO2_ON BIT(4)
33 #define AANAPOW 0x00b8
34 #define AANAPOW_A_POWD BIT(4)
35 #define ADACSEQ1(n) (0x0144 + 0x40 * (n))
36 #define ADACSEQ1_MMUTE BIT(1)
37 #define ADACSEQ2(n) (0x0160 + 0x40 * (n))
38 #define ADACSEQ2_ADACIN_FIX BIT(0)
39 #define ADAC1ODC 0x0200
40 #define ADAC1ODC_HP_DIS_RES_MASK GENMASK(2, 1)
41 #define ADAC1ODC_HP_DIS_RES_OFF (0x0 << 1)
42 #define ADAC1ODC_HP_DIS_RES_ON (0x3 << 1)
43 #define ADAC1ODC_ADAC_RAMPCLT_MASK GENMASK(8, 7)
44 #define ADAC1ODC_ADAC_RAMPCLT_NORMAL (0x0 << 7)
45 #define ADAC1ODC_ADAC_RAMPCLT_REDUCE (0x1 << 7)
48 struct clk *clk, *clk_exiv;
49 struct reset_control *rst, *rst_exiv, *rst_adamv;
50 struct regmap *regmap;
57 static const char * const linsw1_sel1_text[] = {
58 "LIN1", "LIN2", "LIN3"
61 static SOC_ENUM_SINGLE_DECL(linsw1_sel1_enum,
62 ALINSW1, ALINSW1_SEL1_SHIFT,
65 static const struct snd_kcontrol_new linesw1_mux[] = {
66 SOC_DAPM_ENUM("Line In 1 Source", linsw1_sel1_enum),
69 static const struct snd_soc_dapm_widget evea_widgets[] = {
70 SND_SOC_DAPM_ADC("ADC", NULL, SND_SOC_NOPM, 0, 0),
71 SND_SOC_DAPM_MUX("Line In 1 Mux", SND_SOC_NOPM, 0, 0, linesw1_mux),
72 SND_SOC_DAPM_INPUT("LIN1_LP"),
73 SND_SOC_DAPM_INPUT("LIN1_RP"),
74 SND_SOC_DAPM_INPUT("LIN2_LP"),
75 SND_SOC_DAPM_INPUT("LIN2_RP"),
76 SND_SOC_DAPM_INPUT("LIN3_LP"),
77 SND_SOC_DAPM_INPUT("LIN3_RP"),
79 SND_SOC_DAPM_DAC("DAC HP", NULL, SND_SOC_NOPM, 0, 0),
80 SND_SOC_DAPM_DAC("DAC LO1", NULL, SND_SOC_NOPM, 0, 0),
81 SND_SOC_DAPM_DAC("DAC LO2", NULL, SND_SOC_NOPM, 0, 0),
82 SND_SOC_DAPM_OUTPUT("HP1_L"),
83 SND_SOC_DAPM_OUTPUT("HP1_R"),
84 SND_SOC_DAPM_OUTPUT("LO2_L"),
85 SND_SOC_DAPM_OUTPUT("LO2_R"),
88 static const struct snd_soc_dapm_route evea_routes[] = {
89 { "Line In 1", NULL, "ADC" },
90 { "ADC", NULL, "Line In 1 Mux" },
91 { "Line In 1 Mux", "LIN1", "LIN1_LP" },
92 { "Line In 1 Mux", "LIN1", "LIN1_RP" },
93 { "Line In 1 Mux", "LIN2", "LIN2_LP" },
94 { "Line In 1 Mux", "LIN2", "LIN2_RP" },
95 { "Line In 1 Mux", "LIN3", "LIN3_LP" },
96 { "Line In 1 Mux", "LIN3", "LIN3_RP" },
98 { "DAC HP", NULL, "Headphone 1" },
99 { "DAC LO1", NULL, "Line Out 1" },
100 { "DAC LO2", NULL, "Line Out 2" },
101 { "HP1_L", NULL, "DAC HP" },
102 { "HP1_R", NULL, "DAC HP" },
103 { "LO2_L", NULL, "DAC LO2" },
104 { "LO2_R", NULL, "DAC LO2" },
107 static void evea_set_power_state_on(struct evea_priv *evea)
109 struct regmap *map = evea->regmap;
111 regmap_update_bits(map, AANAPOW, AANAPOW_A_POWD,
114 regmap_update_bits(map, ADAC1ODC, ADAC1ODC_HP_DIS_RES_MASK,
115 ADAC1ODC_HP_DIS_RES_ON);
117 regmap_update_bits(map, ADAC1ODC, ADAC1ODC_ADAC_RAMPCLT_MASK,
118 ADAC1ODC_ADAC_RAMPCLT_REDUCE);
120 regmap_update_bits(map, ADACSEQ2(0), ADACSEQ2_ADACIN_FIX, 0);
121 regmap_update_bits(map, ADACSEQ2(1), ADACSEQ2_ADACIN_FIX, 0);
122 regmap_update_bits(map, ADACSEQ2(2), ADACSEQ2_ADACIN_FIX, 0);
125 static void evea_set_power_state_off(struct evea_priv *evea)
127 struct regmap *map = evea->regmap;
129 regmap_update_bits(map, ADAC1ODC, ADAC1ODC_HP_DIS_RES_MASK,
130 ADAC1ODC_HP_DIS_RES_ON);
132 regmap_update_bits(map, ADACSEQ1(0), ADACSEQ1_MMUTE,
134 regmap_update_bits(map, ADACSEQ1(1), ADACSEQ1_MMUTE,
136 regmap_update_bits(map, ADACSEQ1(2), ADACSEQ1_MMUTE,
139 regmap_update_bits(map, ALO1OUTPOW, ALO1OUTPOW_LO1_ON, 0);
140 regmap_update_bits(map, ALO2OUTPOW, ALO2OUTPOW_LO2_ON, 0);
141 regmap_update_bits(map, AHPOUTPOW, AHPOUTPOW_HP_ON, 0);
144 static int evea_update_switch_lin(struct evea_priv *evea)
146 struct regmap *map = evea->regmap;
148 if (evea->switch_lin) {
149 regmap_update_bits(map, ALINEPOW,
150 ALINEPOW_LIN2_POWD | ALINEPOW_LIN1_POWD,
151 ALINEPOW_LIN2_POWD | ALINEPOW_LIN1_POWD);
153 regmap_update_bits(map, AADCPOW(0), AADCPOW_AADC_POWD,
155 regmap_update_bits(map, AADCPOW(1), AADCPOW_AADC_POWD,
158 regmap_update_bits(map, AADCPOW(0), AADCPOW_AADC_POWD, 0);
159 regmap_update_bits(map, AADCPOW(1), AADCPOW_AADC_POWD, 0);
161 regmap_update_bits(map, ALINEPOW,
162 ALINEPOW_LIN2_POWD | ALINEPOW_LIN1_POWD, 0);
168 static int evea_update_switch_lo(struct evea_priv *evea)
170 struct regmap *map = evea->regmap;
172 if (evea->switch_lo) {
173 regmap_update_bits(map, ADACSEQ1(0), ADACSEQ1_MMUTE, 0);
174 regmap_update_bits(map, ADACSEQ1(2), ADACSEQ1_MMUTE, 0);
176 regmap_update_bits(map, ALO1OUTPOW, ALO1OUTPOW_LO1_ON,
178 regmap_update_bits(map, ALO2OUTPOW,
179 ALO2OUTPOW_ADAC2_MUTE | ALO2OUTPOW_LO2_ON,
180 ALO2OUTPOW_ADAC2_MUTE | ALO2OUTPOW_LO2_ON);
182 regmap_update_bits(map, ADACSEQ1(0), ADACSEQ1_MMUTE,
184 regmap_update_bits(map, ADACSEQ1(2), ADACSEQ1_MMUTE,
187 regmap_update_bits(map, ALO1OUTPOW, ALO1OUTPOW_LO1_ON, 0);
188 regmap_update_bits(map, ALO2OUTPOW,
189 ALO2OUTPOW_ADAC2_MUTE | ALO2OUTPOW_LO2_ON,
196 static int evea_update_switch_hp(struct evea_priv *evea)
198 struct regmap *map = evea->regmap;
200 if (evea->switch_hp) {
201 regmap_update_bits(map, ADACSEQ1(1), ADACSEQ1_MMUTE, 0);
203 regmap_update_bits(map, AHPOUTPOW, AHPOUTPOW_HP_ON,
206 regmap_update_bits(map, ADAC1ODC, ADAC1ODC_HP_DIS_RES_MASK,
207 ADAC1ODC_HP_DIS_RES_OFF);
209 regmap_update_bits(map, ADAC1ODC, ADAC1ODC_HP_DIS_RES_MASK,
210 ADAC1ODC_HP_DIS_RES_ON);
212 regmap_update_bits(map, ADACSEQ1(1), ADACSEQ1_MMUTE,
215 regmap_update_bits(map, AHPOUTPOW, AHPOUTPOW_HP_ON, 0);
221 static void evea_update_switch_all(struct evea_priv *evea)
223 evea_update_switch_lin(evea);
224 evea_update_switch_lo(evea);
225 evea_update_switch_hp(evea);
228 static int evea_get_switch_lin(struct snd_kcontrol *kcontrol,
229 struct snd_ctl_elem_value *ucontrol)
231 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
232 struct evea_priv *evea = snd_soc_component_get_drvdata(component);
234 ucontrol->value.integer.value[0] = evea->switch_lin;
239 static int evea_set_switch_lin(struct snd_kcontrol *kcontrol,
240 struct snd_ctl_elem_value *ucontrol)
242 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
243 struct evea_priv *evea = snd_soc_component_get_drvdata(component);
245 if (evea->switch_lin == ucontrol->value.integer.value[0])
248 evea->switch_lin = ucontrol->value.integer.value[0];
250 return evea_update_switch_lin(evea);
253 static int evea_get_switch_lo(struct snd_kcontrol *kcontrol,
254 struct snd_ctl_elem_value *ucontrol)
256 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
257 struct evea_priv *evea = snd_soc_component_get_drvdata(component);
259 ucontrol->value.integer.value[0] = evea->switch_lo;
264 static int evea_set_switch_lo(struct snd_kcontrol *kcontrol,
265 struct snd_ctl_elem_value *ucontrol)
267 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
268 struct evea_priv *evea = snd_soc_component_get_drvdata(component);
270 if (evea->switch_lo == ucontrol->value.integer.value[0])
273 evea->switch_lo = ucontrol->value.integer.value[0];
275 return evea_update_switch_lo(evea);
278 static int evea_get_switch_hp(struct snd_kcontrol *kcontrol,
279 struct snd_ctl_elem_value *ucontrol)
281 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
282 struct evea_priv *evea = snd_soc_component_get_drvdata(component);
284 ucontrol->value.integer.value[0] = evea->switch_hp;
289 static int evea_set_switch_hp(struct snd_kcontrol *kcontrol,
290 struct snd_ctl_elem_value *ucontrol)
292 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
293 struct evea_priv *evea = snd_soc_component_get_drvdata(component);
295 if (evea->switch_hp == ucontrol->value.integer.value[0])
298 evea->switch_hp = ucontrol->value.integer.value[0];
300 return evea_update_switch_hp(evea);
303 static const struct snd_kcontrol_new evea_controls[] = {
304 SOC_SINGLE_BOOL_EXT("Line Capture Switch", 0,
305 evea_get_switch_lin, evea_set_switch_lin),
306 SOC_SINGLE_BOOL_EXT("Line Playback Switch", 0,
307 evea_get_switch_lo, evea_set_switch_lo),
308 SOC_SINGLE_BOOL_EXT("Headphone Playback Switch", 0,
309 evea_get_switch_hp, evea_set_switch_hp),
312 static int evea_codec_probe(struct snd_soc_component *component)
314 struct evea_priv *evea = snd_soc_component_get_drvdata(component);
316 evea->switch_lin = 1;
320 evea_set_power_state_on(evea);
321 evea_update_switch_all(evea);
326 static int evea_codec_suspend(struct snd_soc_component *component)
328 struct evea_priv *evea = snd_soc_component_get_drvdata(component);
330 evea_set_power_state_off(evea);
332 reset_control_assert(evea->rst_adamv);
333 reset_control_assert(evea->rst_exiv);
334 reset_control_assert(evea->rst);
336 clk_disable_unprepare(evea->clk_exiv);
337 clk_disable_unprepare(evea->clk);
342 static int evea_codec_resume(struct snd_soc_component *component)
344 struct evea_priv *evea = snd_soc_component_get_drvdata(component);
347 ret = clk_prepare_enable(evea->clk);
351 ret = clk_prepare_enable(evea->clk_exiv);
355 ret = reset_control_deassert(evea->rst);
357 goto err_out_clock_exiv;
359 ret = reset_control_deassert(evea->rst_exiv);
363 ret = reset_control_deassert(evea->rst_adamv);
365 goto err_out_reset_exiv;
367 evea_set_power_state_on(evea);
368 evea_update_switch_all(evea);
373 reset_control_assert(evea->rst_exiv);
376 reset_control_assert(evea->rst);
379 clk_disable_unprepare(evea->clk_exiv);
382 clk_disable_unprepare(evea->clk);
387 static struct snd_soc_component_driver soc_codec_evea = {
388 .probe = evea_codec_probe,
389 .suspend = evea_codec_suspend,
390 .resume = evea_codec_resume,
391 .dapm_widgets = evea_widgets,
392 .num_dapm_widgets = ARRAY_SIZE(evea_widgets),
393 .dapm_routes = evea_routes,
394 .num_dapm_routes = ARRAY_SIZE(evea_routes),
395 .controls = evea_controls,
396 .num_controls = ARRAY_SIZE(evea_controls),
398 .use_pmdown_time = 1,
400 .non_legacy_dai_naming = 1,
403 static struct snd_soc_dai_driver soc_dai_evea[] = {
405 .name = DRV_NAME "-line1",
407 .stream_name = "Line Out 1",
408 .formats = EVEA_FORMATS,
414 .stream_name = "Line In 1",
415 .formats = EVEA_FORMATS,
422 .name = DRV_NAME "-hp1",
424 .stream_name = "Headphone 1",
425 .formats = EVEA_FORMATS,
432 .name = DRV_NAME "-lo2",
434 .stream_name = "Line Out 2",
435 .formats = EVEA_FORMATS,
443 static const struct regmap_config evea_regmap_config = {
447 .max_register = 0xffc,
448 .cache_type = REGCACHE_NONE,
451 static int evea_probe(struct platform_device *pdev)
453 struct evea_priv *evea;
457 evea = devm_kzalloc(&pdev->dev, sizeof(struct evea_priv), GFP_KERNEL);
461 evea->clk = devm_clk_get(&pdev->dev, "evea");
462 if (IS_ERR(evea->clk))
463 return PTR_ERR(evea->clk);
465 evea->clk_exiv = devm_clk_get(&pdev->dev, "exiv");
466 if (IS_ERR(evea->clk_exiv))
467 return PTR_ERR(evea->clk_exiv);
469 evea->rst = devm_reset_control_get_shared(&pdev->dev, "evea");
470 if (IS_ERR(evea->rst))
471 return PTR_ERR(evea->rst);
473 evea->rst_exiv = devm_reset_control_get_shared(&pdev->dev, "exiv");
474 if (IS_ERR(evea->rst_exiv))
475 return PTR_ERR(evea->rst_exiv);
477 preg = devm_platform_ioremap_resource(pdev, 0);
479 return PTR_ERR(preg);
481 evea->regmap = devm_regmap_init_mmio(&pdev->dev, preg,
482 &evea_regmap_config);
483 if (IS_ERR(evea->regmap))
484 return PTR_ERR(evea->regmap);
486 ret = clk_prepare_enable(evea->clk);
490 ret = clk_prepare_enable(evea->clk_exiv);
494 ret = reset_control_deassert(evea->rst);
496 goto err_out_clock_exiv;
498 ret = reset_control_deassert(evea->rst_exiv);
502 /* ADAMV will hangup if EXIV reset is asserted */
503 evea->rst_adamv = devm_reset_control_get_shared(&pdev->dev, "adamv");
504 if (IS_ERR(evea->rst_adamv)) {
505 ret = PTR_ERR(evea->rst_adamv);
506 goto err_out_reset_exiv;
509 ret = reset_control_deassert(evea->rst_adamv);
511 goto err_out_reset_exiv;
513 platform_set_drvdata(pdev, evea);
515 ret = devm_snd_soc_register_component(&pdev->dev, &soc_codec_evea,
516 soc_dai_evea, ARRAY_SIZE(soc_dai_evea));
518 goto err_out_reset_adamv;
523 reset_control_assert(evea->rst_adamv);
526 reset_control_assert(evea->rst_exiv);
529 reset_control_assert(evea->rst);
532 clk_disable_unprepare(evea->clk_exiv);
535 clk_disable_unprepare(evea->clk);
540 static int evea_remove(struct platform_device *pdev)
542 struct evea_priv *evea = platform_get_drvdata(pdev);
544 reset_control_assert(evea->rst_adamv);
545 reset_control_assert(evea->rst_exiv);
546 reset_control_assert(evea->rst);
548 clk_disable_unprepare(evea->clk_exiv);
549 clk_disable_unprepare(evea->clk);
554 static const struct of_device_id evea_of_match[] __maybe_unused = {
555 { .compatible = "socionext,uniphier-evea", },
558 MODULE_DEVICE_TABLE(of, evea_of_match);
560 static struct platform_driver evea_codec_driver = {
563 .of_match_table = of_match_ptr(evea_of_match),
566 .remove = evea_remove,
568 module_platform_driver(evea_codec_driver);
570 MODULE_AUTHOR("Katsuhiro Suzuki <suzuki.katsuhiro@socionext.com>");
571 MODULE_DESCRIPTION("UniPhier EVEA codec driver");
572 MODULE_LICENSE("GPL v2");