xref: /linux/sound/soc/sunxi/sun8i-codec-analog.c (revision 0ea5c948cb64bab5bc7a5516774eb8536f05aa0d)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * This driver supports the analog controls for the internal codec
4  * found in Allwinner's A31s, A23, A33 and H3 SoCs.
5  *
6  * Copyright 2016 Chen-Yu Tsai <wens@csie.org>
7  */
8 
9 #include <linux/io.h>
10 #include <linux/kernel.h>
11 #include <linux/module.h>
12 #include <linux/of.h>
13 #include <linux/platform_device.h>
14 #include <linux/regmap.h>
15 
16 #include <sound/soc.h>
17 #include <sound/soc-dapm.h>
18 #include <sound/tlv.h>
19 
20 #include "sun8i-adda-pr-regmap.h"
21 
22 /* Codec analog control register offsets and bit fields */
23 #define SUN8I_ADDA_HP_VOLC		0x00
24 #define SUN8I_ADDA_HP_VOLC_PA_CLK_GATE		7
25 #define SUN8I_ADDA_HP_VOLC_HP_VOL		0
26 #define SUN8I_ADDA_LOMIXSC		0x01
27 #define SUN8I_ADDA_LOMIXSC_MIC1			6
28 #define SUN8I_ADDA_LOMIXSC_MIC2			5
29 #define SUN8I_ADDA_LOMIXSC_PHONE		4
30 #define SUN8I_ADDA_LOMIXSC_PHONEN		3
31 #define SUN8I_ADDA_LOMIXSC_LINEINL		2
32 #define SUN8I_ADDA_LOMIXSC_DACL			1
33 #define SUN8I_ADDA_LOMIXSC_DACR			0
34 #define SUN8I_ADDA_ROMIXSC		0x02
35 #define SUN8I_ADDA_ROMIXSC_MIC1			6
36 #define SUN8I_ADDA_ROMIXSC_MIC2			5
37 #define SUN8I_ADDA_ROMIXSC_PHONE		4
38 #define SUN8I_ADDA_ROMIXSC_PHONEP		3
39 #define SUN8I_ADDA_ROMIXSC_LINEINR		2
40 #define SUN8I_ADDA_ROMIXSC_DACR			1
41 #define SUN8I_ADDA_ROMIXSC_DACL			0
42 #define SUN8I_ADDA_DAC_PA_SRC		0x03
43 #define SUN8I_ADDA_DAC_PA_SRC_DACAREN		7
44 #define SUN8I_ADDA_DAC_PA_SRC_DACALEN		6
45 #define SUN8I_ADDA_DAC_PA_SRC_RMIXEN		5
46 #define SUN8I_ADDA_DAC_PA_SRC_LMIXEN		4
47 #define SUN8I_ADDA_DAC_PA_SRC_RHPPAMUTE		3
48 #define SUN8I_ADDA_DAC_PA_SRC_LHPPAMUTE		2
49 #define SUN8I_ADDA_DAC_PA_SRC_RHPIS		1
50 #define SUN8I_ADDA_DAC_PA_SRC_LHPIS		0
51 #define SUN8I_ADDA_PHONEIN_GCTRL	0x04
52 #define SUN8I_ADDA_PHONEIN_GCTRL_PHONEPG	4
53 #define SUN8I_ADDA_PHONEIN_GCTRL_PHONENG	0
54 #define SUN8I_ADDA_LINEIN_GCTRL		0x05
55 #define SUN8I_ADDA_LINEIN_GCTRL_LINEING		4
56 #define SUN8I_ADDA_LINEIN_GCTRL_PHONEG		0
57 #define SUN8I_ADDA_MICIN_GCTRL		0x06
58 #define SUN8I_ADDA_MICIN_GCTRL_MIC1G		4
59 #define SUN8I_ADDA_MICIN_GCTRL_MIC2G		0
60 #define SUN8I_ADDA_PAEN_HP_CTRL		0x07
61 #define SUN8I_ADDA_PAEN_HP_CTRL_HPPAEN		7
62 #define SUN8I_ADDA_PAEN_HP_CTRL_LINEOUTEN	7	/* H3 specific */
63 #define SUN8I_ADDA_PAEN_HP_CTRL_HPCOM_FC	5
64 #define SUN8I_ADDA_PAEN_HP_CTRL_COMPTEN		4
65 #define SUN8I_ADDA_PAEN_HP_CTRL_PA_ANTI_POP_CTRL	2
66 #define SUN8I_ADDA_PAEN_HP_CTRL_LTRNMUTE	1
67 #define SUN8I_ADDA_PAEN_HP_CTRL_RTLNMUTE	0
68 #define SUN8I_ADDA_PHONEOUT_CTRL	0x08
69 #define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUTG	5
70 #define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUTEN	4
71 #define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUT_MIC1	3
72 #define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUT_MIC2	2
73 #define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUT_RMIX	1
74 #define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUT_LMIX	0
75 #define SUN8I_ADDA_PHONE_GAIN_CTRL	0x09
76 #define SUN8I_ADDA_PHONE_GAIN_CTRL_LINEOUT_VOL	3
77 #define SUN8I_ADDA_PHONE_GAIN_CTRL_PHONEPREG	0
78 #define SUN8I_ADDA_MIC2G_CTRL		0x0a
79 #define SUN8I_ADDA_MIC2G_CTRL_MIC2AMPEN		7
80 #define SUN8I_ADDA_MIC2G_CTRL_MIC2BOOST		4
81 #define SUN8I_ADDA_MIC2G_CTRL_LINEOUTLEN	3
82 #define SUN8I_ADDA_MIC2G_CTRL_LINEOUTREN	2
83 #define SUN8I_ADDA_MIC2G_CTRL_LINEOUTLSRC	1
84 #define SUN8I_ADDA_MIC2G_CTRL_LINEOUTRSRC	0
85 #define SUN8I_ADDA_MIC1G_MICBIAS_CTRL	0x0b
86 #define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_HMICBIASEN	7
87 #define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MMICBIASEN	6
88 #define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_HMICBIAS_MODE	5
89 #define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1AMPEN		3
90 #define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1BOOST		0
91 #define SUN8I_ADDA_LADCMIXSC		0x0c
92 #define SUN8I_ADDA_LADCMIXSC_MIC1		6
93 #define SUN8I_ADDA_LADCMIXSC_MIC2		5
94 #define SUN8I_ADDA_LADCMIXSC_PHONE		4
95 #define SUN8I_ADDA_LADCMIXSC_PHONEN		3
96 #define SUN8I_ADDA_LADCMIXSC_LINEINL		2
97 #define SUN8I_ADDA_LADCMIXSC_OMIXRL		1
98 #define SUN8I_ADDA_LADCMIXSC_OMIXRR		0
99 #define SUN8I_ADDA_RADCMIXSC		0x0d
100 #define SUN8I_ADDA_RADCMIXSC_MIC1		6
101 #define SUN8I_ADDA_RADCMIXSC_MIC2		5
102 #define SUN8I_ADDA_RADCMIXSC_PHONE		4
103 #define SUN8I_ADDA_RADCMIXSC_PHONEP		3
104 #define SUN8I_ADDA_RADCMIXSC_LINEINR		2
105 #define SUN8I_ADDA_RADCMIXSC_OMIXR		1
106 #define SUN8I_ADDA_RADCMIXSC_OMIXL		0
107 #define SUN8I_ADDA_RES			0x0e
108 #define SUN8I_ADDA_RES_MMICBIAS_SEL		4
109 #define SUN8I_ADDA_RES_PA_ANTI_POP_CTRL		0
110 #define SUN8I_ADDA_ADC_AP_EN		0x0f
111 #define SUN8I_ADDA_ADC_AP_EN_ADCREN		7
112 #define SUN8I_ADDA_ADC_AP_EN_ADCLEN		6
113 #define SUN8I_ADDA_ADC_AP_EN_ADCG		0
114 
115 /* mixer controls */
116 static const struct snd_kcontrol_new sun8i_codec_mixer_controls[] = {
117 	SOC_DAPM_DOUBLE_R("DAC Playback Switch",
118 			  SUN8I_ADDA_LOMIXSC,
119 			  SUN8I_ADDA_ROMIXSC,
120 			  SUN8I_ADDA_LOMIXSC_DACL, 1, 0),
121 	SOC_DAPM_DOUBLE_R("DAC Reversed Playback Switch",
122 			  SUN8I_ADDA_LOMIXSC,
123 			  SUN8I_ADDA_ROMIXSC,
124 			  SUN8I_ADDA_LOMIXSC_DACR, 1, 0),
125 	SOC_DAPM_DOUBLE_R("Line In Playback Switch",
126 			  SUN8I_ADDA_LOMIXSC,
127 			  SUN8I_ADDA_ROMIXSC,
128 			  SUN8I_ADDA_LOMIXSC_LINEINL, 1, 0),
129 	SOC_DAPM_DOUBLE_R("Mic1 Playback Switch",
130 			  SUN8I_ADDA_LOMIXSC,
131 			  SUN8I_ADDA_ROMIXSC,
132 			  SUN8I_ADDA_LOMIXSC_MIC1, 1, 0),
133 	SOC_DAPM_DOUBLE_R("Mic2 Playback Switch",
134 			  SUN8I_ADDA_LOMIXSC,
135 			  SUN8I_ADDA_ROMIXSC,
136 			  SUN8I_ADDA_LOMIXSC_MIC2, 1, 0),
137 };
138 
139 /* mixer controls */
140 static const struct snd_kcontrol_new sun8i_v3s_codec_mixer_controls[] = {
141 	SOC_DAPM_DOUBLE_R("DAC Playback Switch",
142 			  SUN8I_ADDA_LOMIXSC,
143 			  SUN8I_ADDA_ROMIXSC,
144 			  SUN8I_ADDA_LOMIXSC_DACL, 1, 0),
145 	SOC_DAPM_DOUBLE_R("DAC Reversed Playback Switch",
146 			  SUN8I_ADDA_LOMIXSC,
147 			  SUN8I_ADDA_ROMIXSC,
148 			  SUN8I_ADDA_LOMIXSC_DACR, 1, 0),
149 	SOC_DAPM_DOUBLE_R("Mic1 Playback Switch",
150 			  SUN8I_ADDA_LOMIXSC,
151 			  SUN8I_ADDA_ROMIXSC,
152 			  SUN8I_ADDA_LOMIXSC_MIC1, 1, 0),
153 };
154 
155 /* ADC mixer controls */
156 static const struct snd_kcontrol_new sun8i_codec_adc_mixer_controls[] = {
157 	SOC_DAPM_DOUBLE_R("Mixer Capture Switch",
158 			  SUN8I_ADDA_LADCMIXSC,
159 			  SUN8I_ADDA_RADCMIXSC,
160 			  SUN8I_ADDA_LADCMIXSC_OMIXRL, 1, 0),
161 	SOC_DAPM_DOUBLE_R("Mixer Reversed Capture Switch",
162 			  SUN8I_ADDA_LADCMIXSC,
163 			  SUN8I_ADDA_RADCMIXSC,
164 			  SUN8I_ADDA_LADCMIXSC_OMIXRR, 1, 0),
165 	SOC_DAPM_DOUBLE_R("Line In Capture Switch",
166 			  SUN8I_ADDA_LADCMIXSC,
167 			  SUN8I_ADDA_RADCMIXSC,
168 			  SUN8I_ADDA_LADCMIXSC_LINEINL, 1, 0),
169 	SOC_DAPM_DOUBLE_R("Mic1 Capture Switch",
170 			  SUN8I_ADDA_LADCMIXSC,
171 			  SUN8I_ADDA_RADCMIXSC,
172 			  SUN8I_ADDA_LADCMIXSC_MIC1, 1, 0),
173 	SOC_DAPM_DOUBLE_R("Mic2 Capture Switch",
174 			  SUN8I_ADDA_LADCMIXSC,
175 			  SUN8I_ADDA_RADCMIXSC,
176 			  SUN8I_ADDA_LADCMIXSC_MIC2, 1, 0),
177 };
178 
179 /* ADC mixer controls */
180 static const struct snd_kcontrol_new sun8i_v3s_codec_adc_mixer_controls[] = {
181 	SOC_DAPM_DOUBLE_R("Mixer Capture Switch",
182 			  SUN8I_ADDA_LADCMIXSC,
183 			  SUN8I_ADDA_RADCMIXSC,
184 			  SUN8I_ADDA_LADCMIXSC_OMIXRL, 1, 0),
185 	SOC_DAPM_DOUBLE_R("Mixer Reversed Capture Switch",
186 			  SUN8I_ADDA_LADCMIXSC,
187 			  SUN8I_ADDA_RADCMIXSC,
188 			  SUN8I_ADDA_LADCMIXSC_OMIXRR, 1, 0),
189 	SOC_DAPM_DOUBLE_R("Mic1 Capture Switch",
190 			  SUN8I_ADDA_LADCMIXSC,
191 			  SUN8I_ADDA_RADCMIXSC,
192 			  SUN8I_ADDA_LADCMIXSC_MIC1, 1, 0),
193 };
194 
195 /* volume / mute controls */
196 static const DECLARE_TLV_DB_SCALE(sun8i_codec_out_mixer_pregain_scale,
197 				  -450, 150, 0);
198 static const DECLARE_TLV_DB_RANGE(sun8i_codec_mic_gain_scale,
199 	0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
200 	1, 7, TLV_DB_SCALE_ITEM(2400, 300, 0),
201 );
202 
203 static const struct snd_kcontrol_new sun8i_codec_common_controls[] = {
204 	/* Mixer pre-gain */
205 	SOC_SINGLE_TLV("Mic1 Playback Volume", SUN8I_ADDA_MICIN_GCTRL,
206 		       SUN8I_ADDA_MICIN_GCTRL_MIC1G,
207 		       0x7, 0, sun8i_codec_out_mixer_pregain_scale),
208 
209 	/* Microphone Amp boost gain */
210 	SOC_SINGLE_TLV("Mic1 Boost Volume", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
211 		       SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1BOOST, 0x7, 0,
212 		       sun8i_codec_mic_gain_scale),
213 
214 	/* ADC */
215 	SOC_SINGLE_TLV("ADC Gain Capture Volume", SUN8I_ADDA_ADC_AP_EN,
216 		       SUN8I_ADDA_ADC_AP_EN_ADCG, 0x7, 0,
217 		       sun8i_codec_out_mixer_pregain_scale),
218 };
219 
220 static const struct snd_soc_dapm_widget sun8i_codec_common_widgets[] = {
221 	/* ADC */
222 	SND_SOC_DAPM_ADC("Left ADC", NULL, SUN8I_ADDA_ADC_AP_EN,
223 			 SUN8I_ADDA_ADC_AP_EN_ADCLEN, 0),
224 	SND_SOC_DAPM_ADC("Right ADC", NULL, SUN8I_ADDA_ADC_AP_EN,
225 			 SUN8I_ADDA_ADC_AP_EN_ADCREN, 0),
226 
227 	/* DAC */
228 	SND_SOC_DAPM_DAC("Left DAC", NULL, SUN8I_ADDA_DAC_PA_SRC,
229 			 SUN8I_ADDA_DAC_PA_SRC_DACALEN, 0),
230 	SND_SOC_DAPM_DAC("Right DAC", NULL, SUN8I_ADDA_DAC_PA_SRC,
231 			 SUN8I_ADDA_DAC_PA_SRC_DACAREN, 0),
232 	/*
233 	 * Due to this component and the codec belonging to separate DAPM
234 	 * contexts, we need to manually link the above widgets to their
235 	 * stream widgets at the card level.
236 	 */
237 
238 	/* Microphone input */
239 	SND_SOC_DAPM_INPUT("MIC1"),
240 
241 	/* Mic input path */
242 	SND_SOC_DAPM_PGA("Mic1 Amplifier", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
243 			 SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1AMPEN, 0, NULL, 0),
244 };
245 
246 static const struct snd_soc_dapm_widget sun8i_codec_mixer_widgets[] = {
247 	SND_SOC_DAPM_MIXER("Left Mixer", SUN8I_ADDA_DAC_PA_SRC,
248 			   SUN8I_ADDA_DAC_PA_SRC_LMIXEN, 0,
249 			   sun8i_codec_mixer_controls,
250 			   ARRAY_SIZE(sun8i_codec_mixer_controls)),
251 	SND_SOC_DAPM_MIXER("Right Mixer", SUN8I_ADDA_DAC_PA_SRC,
252 			   SUN8I_ADDA_DAC_PA_SRC_RMIXEN, 0,
253 			   sun8i_codec_mixer_controls,
254 			   ARRAY_SIZE(sun8i_codec_mixer_controls)),
255 	SND_SOC_DAPM_MIXER("Left ADC Mixer", SUN8I_ADDA_ADC_AP_EN,
256 			   SUN8I_ADDA_ADC_AP_EN_ADCLEN, 0,
257 			   sun8i_codec_adc_mixer_controls,
258 			   ARRAY_SIZE(sun8i_codec_adc_mixer_controls)),
259 	SND_SOC_DAPM_MIXER("Right ADC Mixer", SUN8I_ADDA_ADC_AP_EN,
260 			   SUN8I_ADDA_ADC_AP_EN_ADCREN, 0,
261 			   sun8i_codec_adc_mixer_controls,
262 			   ARRAY_SIZE(sun8i_codec_adc_mixer_controls)),
263 };
264 
265 static const struct snd_soc_dapm_widget sun8i_v3s_codec_mixer_widgets[] = {
266 	SND_SOC_DAPM_MIXER("Left Mixer", SUN8I_ADDA_DAC_PA_SRC,
267 			   SUN8I_ADDA_DAC_PA_SRC_LMIXEN, 0,
268 			   sun8i_v3s_codec_mixer_controls,
269 			   ARRAY_SIZE(sun8i_v3s_codec_mixer_controls)),
270 	SND_SOC_DAPM_MIXER("Right Mixer", SUN8I_ADDA_DAC_PA_SRC,
271 			   SUN8I_ADDA_DAC_PA_SRC_RMIXEN, 0,
272 			   sun8i_v3s_codec_mixer_controls,
273 			   ARRAY_SIZE(sun8i_v3s_codec_mixer_controls)),
274 	SND_SOC_DAPM_MIXER("Left ADC Mixer", SUN8I_ADDA_ADC_AP_EN,
275 			   SUN8I_ADDA_ADC_AP_EN_ADCLEN, 0,
276 			   sun8i_v3s_codec_adc_mixer_controls,
277 			   ARRAY_SIZE(sun8i_v3s_codec_adc_mixer_controls)),
278 	SND_SOC_DAPM_MIXER("Right ADC Mixer", SUN8I_ADDA_ADC_AP_EN,
279 			   SUN8I_ADDA_ADC_AP_EN_ADCREN, 0,
280 			   sun8i_v3s_codec_adc_mixer_controls,
281 			   ARRAY_SIZE(sun8i_v3s_codec_adc_mixer_controls)),
282 };
283 
284 static const struct snd_soc_dapm_route sun8i_codec_common_routes[] = {
285 	/* Microphone Routes */
286 	{ "Mic1 Amplifier", NULL, "MIC1"},
287 };
288 
289 static const struct snd_soc_dapm_route sun8i_codec_mixer_routes[] = {
290 	/* Left Mixer Routes */
291 	{ "Left Mixer", "DAC Playback Switch", "Left DAC" },
292 	{ "Left Mixer", "DAC Reversed Playback Switch", "Right DAC" },
293 	{ "Left Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
294 
295 	/* Right Mixer Routes */
296 	{ "Right Mixer", "DAC Playback Switch", "Right DAC" },
297 	{ "Right Mixer", "DAC Reversed Playback Switch", "Left DAC" },
298 	{ "Right Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
299 
300 	/* Left ADC Mixer Routes */
301 	{ "Left ADC Mixer", "Mixer Capture Switch", "Left Mixer" },
302 	{ "Left ADC Mixer", "Mixer Reversed Capture Switch", "Right Mixer" },
303 	{ "Left ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
304 
305 	/* Right ADC Mixer Routes */
306 	{ "Right ADC Mixer", "Mixer Capture Switch", "Right Mixer" },
307 	{ "Right ADC Mixer", "Mixer Reversed Capture Switch", "Left Mixer" },
308 	{ "Right ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
309 
310 	/* ADC Routes */
311 	{ "Left ADC", NULL, "Left ADC Mixer" },
312 	{ "Right ADC", NULL, "Right ADC Mixer" },
313 };
314 
315 /* headphone specific controls, widgets, and routes */
316 static const DECLARE_TLV_DB_SCALE(sun8i_codec_hp_vol_scale, -6300, 100, 1);
317 static const struct snd_kcontrol_new sun8i_codec_headphone_controls[] = {
318 	SOC_SINGLE_TLV("Headphone Playback Volume",
319 		       SUN8I_ADDA_HP_VOLC,
320 		       SUN8I_ADDA_HP_VOLC_HP_VOL, 0x3f, 0,
321 		       sun8i_codec_hp_vol_scale),
322 	SOC_DOUBLE("Headphone Playback Switch",
323 		   SUN8I_ADDA_DAC_PA_SRC,
324 		   SUN8I_ADDA_DAC_PA_SRC_LHPPAMUTE,
325 		   SUN8I_ADDA_DAC_PA_SRC_RHPPAMUTE, 1, 0),
326 };
327 
328 static const char * const sun8i_codec_hp_src_enum_text[] = {
329 	"DAC", "Mixer",
330 };
331 
332 static SOC_ENUM_DOUBLE_DECL(sun8i_codec_hp_src_enum,
333 			    SUN8I_ADDA_DAC_PA_SRC,
334 			    SUN8I_ADDA_DAC_PA_SRC_LHPIS,
335 			    SUN8I_ADDA_DAC_PA_SRC_RHPIS,
336 			    sun8i_codec_hp_src_enum_text);
337 
338 static const struct snd_kcontrol_new sun8i_codec_hp_src[] = {
339 	SOC_DAPM_ENUM("Headphone Source Playback Route",
340 		      sun8i_codec_hp_src_enum),
341 };
342 
sun8i_headphone_amp_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * k,int event)343 static int sun8i_headphone_amp_event(struct snd_soc_dapm_widget *w,
344 				     struct snd_kcontrol *k, int event)
345 {
346 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
347 
348 	if (SND_SOC_DAPM_EVENT_ON(event)) {
349 		snd_soc_component_update_bits(component, SUN8I_ADDA_PAEN_HP_CTRL,
350 					      BIT(SUN8I_ADDA_PAEN_HP_CTRL_HPPAEN),
351 					      BIT(SUN8I_ADDA_PAEN_HP_CTRL_HPPAEN));
352 		/*
353 		 * Need a delay to have the amplifier up. 700ms seems the best
354 		 * compromise between the time to let the amplifier up and the
355 		 * time not to feel this delay while playing a sound.
356 		 */
357 		msleep(700);
358 	} else if (SND_SOC_DAPM_EVENT_OFF(event)) {
359 		snd_soc_component_update_bits(component, SUN8I_ADDA_PAEN_HP_CTRL,
360 					      BIT(SUN8I_ADDA_PAEN_HP_CTRL_HPPAEN),
361 					      0x0);
362 	}
363 
364 	return 0;
365 }
366 
367 static const struct snd_soc_dapm_widget sun8i_codec_headphone_widgets[] = {
368 	SND_SOC_DAPM_MUX("Headphone Source Playback Route",
369 			 SND_SOC_NOPM, 0, 0, sun8i_codec_hp_src),
370 	SND_SOC_DAPM_OUT_DRV_E("Headphone Amp", SUN8I_ADDA_PAEN_HP_CTRL,
371 			       SUN8I_ADDA_PAEN_HP_CTRL_HPPAEN, 0, NULL, 0,
372 			       sun8i_headphone_amp_event,
373 			       SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
374 	SND_SOC_DAPM_SUPPLY("HPCOM Protection", SUN8I_ADDA_PAEN_HP_CTRL,
375 			    SUN8I_ADDA_PAEN_HP_CTRL_COMPTEN, 0, NULL, 0),
376 	SND_SOC_DAPM_REG(snd_soc_dapm_supply, "HPCOM", SUN8I_ADDA_PAEN_HP_CTRL,
377 			 SUN8I_ADDA_PAEN_HP_CTRL_HPCOM_FC, 0x3, 0x3, 0),
378 	SND_SOC_DAPM_OUTPUT("HP"),
379 };
380 
381 static const struct snd_soc_dapm_route sun8i_codec_headphone_routes[] = {
382 	{ "Headphone Source Playback Route", "DAC", "Left DAC" },
383 	{ "Headphone Source Playback Route", "DAC", "Right DAC" },
384 	{ "Headphone Source Playback Route", "Mixer", "Left Mixer" },
385 	{ "Headphone Source Playback Route", "Mixer", "Right Mixer" },
386 	{ "Headphone Amp", NULL, "Headphone Source Playback Route" },
387 	{ "HPCOM", NULL, "HPCOM Protection" },
388 	{ "HP", NULL, "Headphone Amp" },
389 };
390 
sun8i_codec_add_headphone(struct snd_soc_component * cmpnt)391 static int sun8i_codec_add_headphone(struct snd_soc_component *cmpnt)
392 {
393 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
394 	struct device *dev = cmpnt->dev;
395 	int ret;
396 
397 	ret = snd_soc_add_component_controls(cmpnt,
398 					     sun8i_codec_headphone_controls,
399 					     ARRAY_SIZE(sun8i_codec_headphone_controls));
400 	if (ret) {
401 		dev_err(dev, "Failed to add Headphone controls: %d\n", ret);
402 		return ret;
403 	}
404 
405 	ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_headphone_widgets,
406 					ARRAY_SIZE(sun8i_codec_headphone_widgets));
407 	if (ret) {
408 		dev_err(dev, "Failed to add Headphone DAPM widgets: %d\n", ret);
409 		return ret;
410 	}
411 
412 	ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_headphone_routes,
413 				      ARRAY_SIZE(sun8i_codec_headphone_routes));
414 	if (ret) {
415 		dev_err(dev, "Failed to add Headphone DAPM routes: %d\n", ret);
416 		return ret;
417 	}
418 
419 	return 0;
420 }
421 
422 /* mbias specific widget */
423 static const struct snd_soc_dapm_widget sun8i_codec_mbias_widgets[] = {
424 	SND_SOC_DAPM_SUPPLY("MBIAS", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
425 			    SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MMICBIASEN,
426 			    0, NULL, 0),
427 };
428 
sun8i_codec_add_mbias(struct snd_soc_component * cmpnt)429 static int sun8i_codec_add_mbias(struct snd_soc_component *cmpnt)
430 {
431 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
432 	struct device *dev = cmpnt->dev;
433 	int ret;
434 
435 	ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_mbias_widgets,
436 					ARRAY_SIZE(sun8i_codec_mbias_widgets));
437 	if (ret)
438 		dev_err(dev, "Failed to add MBIAS DAPM widgets: %d\n", ret);
439 
440 	return ret;
441 }
442 
443 /* hmic specific widget */
444 static const struct snd_soc_dapm_widget sun8i_codec_hmic_widgets[] = {
445 	SND_SOC_DAPM_SUPPLY("HBIAS", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
446 			    SUN8I_ADDA_MIC1G_MICBIAS_CTRL_HMICBIASEN,
447 			    0, NULL, 0),
448 };
449 
sun8i_codec_add_hmic(struct snd_soc_component * cmpnt)450 static int sun8i_codec_add_hmic(struct snd_soc_component *cmpnt)
451 {
452 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
453 	struct device *dev = cmpnt->dev;
454 	int ret;
455 
456 	ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_hmic_widgets,
457 					ARRAY_SIZE(sun8i_codec_hmic_widgets));
458 	if (ret)
459 		dev_err(dev, "Failed to add Mic3 DAPM widgets: %d\n", ret);
460 
461 	return ret;
462 }
463 
464 /* line in specific controls, widgets and rines */
465 static const struct snd_kcontrol_new sun8i_codec_linein_controls[] = {
466 	/* Mixer pre-gain */
467 	SOC_SINGLE_TLV("Line In Playback Volume", SUN8I_ADDA_LINEIN_GCTRL,
468 		       SUN8I_ADDA_LINEIN_GCTRL_LINEING,
469 		       0x7, 0, sun8i_codec_out_mixer_pregain_scale),
470 };
471 
472 static const struct snd_soc_dapm_widget sun8i_codec_linein_widgets[] = {
473 	/* Line input */
474 	SND_SOC_DAPM_INPUT("LINEIN"),
475 };
476 
477 static const struct snd_soc_dapm_route sun8i_codec_linein_routes[] = {
478 	{ "Left Mixer", "Line In Playback Switch", "LINEIN" },
479 
480 	{ "Right Mixer", "Line In Playback Switch", "LINEIN" },
481 
482 	{ "Left ADC Mixer", "Line In Capture Switch", "LINEIN" },
483 
484 	{ "Right ADC Mixer", "Line In Capture Switch", "LINEIN" },
485 };
486 
sun8i_codec_add_linein(struct snd_soc_component * cmpnt)487 static int sun8i_codec_add_linein(struct snd_soc_component *cmpnt)
488 {
489 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
490 	struct device *dev = cmpnt->dev;
491 	int ret;
492 
493 	ret = snd_soc_add_component_controls(cmpnt,
494 					     sun8i_codec_linein_controls,
495 					     ARRAY_SIZE(sun8i_codec_linein_controls));
496 	if (ret) {
497 		dev_err(dev, "Failed to add Line In controls: %d\n", ret);
498 		return ret;
499 	}
500 
501 	ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_linein_widgets,
502 					ARRAY_SIZE(sun8i_codec_linein_widgets));
503 	if (ret) {
504 		dev_err(dev, "Failed to add Line In DAPM widgets: %d\n", ret);
505 		return ret;
506 	}
507 
508 	ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_linein_routes,
509 				      ARRAY_SIZE(sun8i_codec_linein_routes));
510 	if (ret) {
511 		dev_err(dev, "Failed to add Line In DAPM routes: %d\n", ret);
512 		return ret;
513 	}
514 
515 	return 0;
516 }
517 
518 
519 /* line out specific controls, widgets and routes */
520 static const DECLARE_TLV_DB_RANGE(sun8i_codec_lineout_vol_scale,
521 	0, 1, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
522 	2, 31, TLV_DB_SCALE_ITEM(-4350, 150, 0),
523 );
524 static const struct snd_kcontrol_new sun8i_codec_lineout_controls[] = {
525 	SOC_SINGLE_TLV("Line Out Playback Volume",
526 		       SUN8I_ADDA_PHONE_GAIN_CTRL,
527 		       SUN8I_ADDA_PHONE_GAIN_CTRL_LINEOUT_VOL, 0x1f, 0,
528 		       sun8i_codec_lineout_vol_scale),
529 	SOC_DOUBLE("Line Out Playback Switch",
530 		   SUN8I_ADDA_MIC2G_CTRL,
531 		   SUN8I_ADDA_MIC2G_CTRL_LINEOUTLEN,
532 		   SUN8I_ADDA_MIC2G_CTRL_LINEOUTREN, 1, 0),
533 };
534 
535 static const char * const sun8i_codec_lineout_src_enum_text[] = {
536 	"Stereo", "Mono Differential",
537 };
538 
539 static SOC_ENUM_DOUBLE_DECL(sun8i_codec_lineout_src_enum,
540 			    SUN8I_ADDA_MIC2G_CTRL,
541 			    SUN8I_ADDA_MIC2G_CTRL_LINEOUTLSRC,
542 			    SUN8I_ADDA_MIC2G_CTRL_LINEOUTRSRC,
543 			    sun8i_codec_lineout_src_enum_text);
544 
545 static const struct snd_kcontrol_new sun8i_codec_lineout_src[] = {
546 	SOC_DAPM_ENUM("Line Out Source Playback Route",
547 		      sun8i_codec_lineout_src_enum),
548 };
549 
550 static const struct snd_soc_dapm_widget sun8i_codec_lineout_widgets[] = {
551 	SND_SOC_DAPM_MUX("Line Out Source Playback Route",
552 			 SND_SOC_NOPM, 0, 0, sun8i_codec_lineout_src),
553 	/* It is unclear if this is a buffer or gate, model it as a supply */
554 	SND_SOC_DAPM_SUPPLY("Line Out Enable", SUN8I_ADDA_PAEN_HP_CTRL,
555 			    SUN8I_ADDA_PAEN_HP_CTRL_LINEOUTEN, 0, NULL, 0),
556 	SND_SOC_DAPM_OUTPUT("LINEOUT"),
557 };
558 
559 static const struct snd_soc_dapm_route sun8i_codec_lineout_routes[] = {
560 	{ "Line Out Source Playback Route", "Stereo", "Left Mixer" },
561 	{ "Line Out Source Playback Route", "Stereo", "Right Mixer" },
562 	{ "Line Out Source Playback Route", "Mono Differential", "Left Mixer" },
563 	{ "Line Out Source Playback Route", "Mono Differential", "Right Mixer" },
564 	{ "LINEOUT", NULL, "Line Out Source Playback Route" },
565 	{ "LINEOUT", NULL, "Line Out Enable", },
566 };
567 
sun8i_codec_add_lineout(struct snd_soc_component * cmpnt)568 static int sun8i_codec_add_lineout(struct snd_soc_component *cmpnt)
569 {
570 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
571 	struct device *dev = cmpnt->dev;
572 	int ret;
573 
574 	ret = snd_soc_add_component_controls(cmpnt,
575 					     sun8i_codec_lineout_controls,
576 					     ARRAY_SIZE(sun8i_codec_lineout_controls));
577 	if (ret) {
578 		dev_err(dev, "Failed to add Line Out controls: %d\n", ret);
579 		return ret;
580 	}
581 
582 	ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_lineout_widgets,
583 					ARRAY_SIZE(sun8i_codec_lineout_widgets));
584 	if (ret) {
585 		dev_err(dev, "Failed to add Line Out DAPM widgets: %d\n", ret);
586 		return ret;
587 	}
588 
589 	ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_lineout_routes,
590 				      ARRAY_SIZE(sun8i_codec_lineout_routes));
591 	if (ret) {
592 		dev_err(dev, "Failed to add Line Out DAPM routes: %d\n", ret);
593 		return ret;
594 	}
595 
596 	return 0;
597 }
598 
599 /* mic2 specific controls, widgets and routes */
600 static const struct snd_kcontrol_new sun8i_codec_mic2_controls[] = {
601 	/* Mixer pre-gain */
602 	SOC_SINGLE_TLV("Mic2 Playback Volume",
603 		       SUN8I_ADDA_MICIN_GCTRL, SUN8I_ADDA_MICIN_GCTRL_MIC2G,
604 		       0x7, 0, sun8i_codec_out_mixer_pregain_scale),
605 
606 	/* Microphone Amp boost gain */
607 	SOC_SINGLE_TLV("Mic2 Boost Volume", SUN8I_ADDA_MIC2G_CTRL,
608 		       SUN8I_ADDA_MIC2G_CTRL_MIC2BOOST, 0x7, 0,
609 		       sun8i_codec_mic_gain_scale),
610 };
611 
612 static const struct snd_soc_dapm_widget sun8i_codec_mic2_widgets[] = {
613 	/* Microphone input */
614 	SND_SOC_DAPM_INPUT("MIC2"),
615 
616 	/* Mic input path */
617 	SND_SOC_DAPM_PGA("Mic2 Amplifier", SUN8I_ADDA_MIC2G_CTRL,
618 			 SUN8I_ADDA_MIC2G_CTRL_MIC2AMPEN, 0, NULL, 0),
619 };
620 
621 static const struct snd_soc_dapm_route sun8i_codec_mic2_routes[] = {
622 	{ "Mic2 Amplifier", NULL, "MIC2"},
623 
624 	{ "Left Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },
625 
626 	{ "Right Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },
627 
628 	{ "Left ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
629 
630 	{ "Right ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
631 };
632 
sun8i_codec_add_mic2(struct snd_soc_component * cmpnt)633 static int sun8i_codec_add_mic2(struct snd_soc_component *cmpnt)
634 {
635 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
636 	struct device *dev = cmpnt->dev;
637 	int ret;
638 
639 	ret = snd_soc_add_component_controls(cmpnt,
640 					     sun8i_codec_mic2_controls,
641 					     ARRAY_SIZE(sun8i_codec_mic2_controls));
642 	if (ret) {
643 		dev_err(dev, "Failed to add MIC2 controls: %d\n", ret);
644 		return ret;
645 	}
646 
647 	ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_mic2_widgets,
648 					ARRAY_SIZE(sun8i_codec_mic2_widgets));
649 	if (ret) {
650 		dev_err(dev, "Failed to add MIC2 DAPM widgets: %d\n", ret);
651 		return ret;
652 	}
653 
654 	ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_mic2_routes,
655 				      ARRAY_SIZE(sun8i_codec_mic2_routes));
656 	if (ret) {
657 		dev_err(dev, "Failed to add MIC2 DAPM routes: %d\n", ret);
658 		return ret;
659 	}
660 
661 	return 0;
662 }
663 
664 struct sun8i_codec_analog_quirks {
665 	bool has_headphone;
666 	bool has_hmic;
667 	bool has_linein;
668 	bool has_lineout;
669 	bool has_mbias;
670 	bool has_mic2;
671 };
672 
673 static const struct sun8i_codec_analog_quirks sun8i_a23_quirks = {
674 	.has_headphone	= true,
675 	.has_hmic	= true,
676 	.has_linein	= true,
677 	.has_mbias	= true,
678 	.has_mic2	= true,
679 };
680 
681 static const struct sun8i_codec_analog_quirks sun8i_h3_quirks = {
682 	.has_linein	= true,
683 	.has_lineout	= true,
684 	.has_mbias	= true,
685 	.has_mic2	= true,
686 };
687 
sun8i_codec_analog_add_mixer(struct snd_soc_component * cmpnt,const struct sun8i_codec_analog_quirks * quirks)688 static int sun8i_codec_analog_add_mixer(struct snd_soc_component *cmpnt,
689 					const struct sun8i_codec_analog_quirks *quirks)
690 {
691 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
692 	struct device *dev = cmpnt->dev;
693 	int ret;
694 
695 	if (!quirks->has_mic2 && !quirks->has_linein) {
696 		/*
697 		 * Apply the special widget set which has uses a control
698 		 * without MIC2 and Line In, for SoCs without these.
699 		 * TODO: not all special cases are supported now, this case
700 		 * is present because it's the case of V3s.
701 		 */
702 		ret = snd_soc_dapm_new_controls(dapm,
703 						sun8i_v3s_codec_mixer_widgets,
704 						ARRAY_SIZE(sun8i_v3s_codec_mixer_widgets));
705 		if (ret) {
706 			dev_err(dev, "Failed to add V3s Mixer DAPM widgets: %d\n", ret);
707 			return ret;
708 		}
709 	} else {
710 		/* Apply the generic mixer widget set. */
711 		ret = snd_soc_dapm_new_controls(dapm,
712 						sun8i_codec_mixer_widgets,
713 						ARRAY_SIZE(sun8i_codec_mixer_widgets));
714 		if (ret) {
715 			dev_err(dev, "Failed to add Mixer DAPM widgets: %d\n", ret);
716 			return ret;
717 		}
718 	}
719 
720 	ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_mixer_routes,
721 				      ARRAY_SIZE(sun8i_codec_mixer_routes));
722 	if (ret) {
723 		dev_err(dev, "Failed to add Mixer DAPM routes: %d\n", ret);
724 		return ret;
725 	}
726 
727 	return 0;
728 }
729 
730 static const struct sun8i_codec_analog_quirks sun8i_v3s_quirks = {
731 	.has_headphone	= true,
732 	.has_hmic	= true,
733 };
734 
sun8i_codec_analog_cmpnt_probe(struct snd_soc_component * cmpnt)735 static int sun8i_codec_analog_cmpnt_probe(struct snd_soc_component *cmpnt)
736 {
737 	struct device *dev = cmpnt->dev;
738 	const struct sun8i_codec_analog_quirks *quirks;
739 	int ret;
740 
741 	/*
742 	 * This would never return NULL unless someone directly registers a
743 	 * platform device matching this driver's name, without specifying a
744 	 * device tree node.
745 	 */
746 	quirks = of_device_get_match_data(dev);
747 
748 	/* Add controls, widgets, and routes for individual features */
749 	ret = sun8i_codec_analog_add_mixer(cmpnt, quirks);
750 	if (ret)
751 		return ret;
752 
753 	if (quirks->has_headphone) {
754 		ret = sun8i_codec_add_headphone(cmpnt);
755 		if (ret)
756 			return ret;
757 	}
758 
759 	if (quirks->has_hmic) {
760 		ret = sun8i_codec_add_hmic(cmpnt);
761 		if (ret)
762 			return ret;
763 	}
764 
765 	if (quirks->has_linein) {
766 		ret = sun8i_codec_add_linein(cmpnt);
767 		if (ret)
768 			return ret;
769 	}
770 
771 	if (quirks->has_lineout) {
772 		ret = sun8i_codec_add_lineout(cmpnt);
773 		if (ret)
774 			return ret;
775 	}
776 
777 	if (quirks->has_mbias) {
778 		ret = sun8i_codec_add_mbias(cmpnt);
779 		if (ret)
780 			return ret;
781 	}
782 
783 	if (quirks->has_mic2) {
784 		ret = sun8i_codec_add_mic2(cmpnt);
785 		if (ret)
786 			return ret;
787 	}
788 
789 	return 0;
790 }
791 
792 static const struct snd_soc_component_driver sun8i_codec_analog_cmpnt_drv = {
793 	.controls		= sun8i_codec_common_controls,
794 	.num_controls		= ARRAY_SIZE(sun8i_codec_common_controls),
795 	.dapm_widgets		= sun8i_codec_common_widgets,
796 	.num_dapm_widgets	= ARRAY_SIZE(sun8i_codec_common_widgets),
797 	.dapm_routes		= sun8i_codec_common_routes,
798 	.num_dapm_routes	= ARRAY_SIZE(sun8i_codec_common_routes),
799 	.probe			= sun8i_codec_analog_cmpnt_probe,
800 };
801 
802 static const struct of_device_id sun8i_codec_analog_of_match[] = {
803 	{
804 		.compatible = "allwinner,sun8i-a23-codec-analog",
805 		.data = &sun8i_a23_quirks,
806 	},
807 	{
808 		.compatible = "allwinner,sun8i-h3-codec-analog",
809 		.data = &sun8i_h3_quirks,
810 	},
811 	{
812 		.compatible = "allwinner,sun8i-v3s-codec-analog",
813 		.data = &sun8i_v3s_quirks,
814 	},
815 	{}
816 };
817 MODULE_DEVICE_TABLE(of, sun8i_codec_analog_of_match);
818 
sun8i_codec_analog_probe(struct platform_device * pdev)819 static int sun8i_codec_analog_probe(struct platform_device *pdev)
820 {
821 	struct regmap *regmap;
822 	void __iomem *base;
823 
824 	base = devm_platform_ioremap_resource(pdev, 0);
825 	if (IS_ERR(base)) {
826 		dev_err(&pdev->dev, "Failed to map the registers\n");
827 		return PTR_ERR(base);
828 	}
829 
830 	regmap = sun8i_adda_pr_regmap_init(&pdev->dev, base);
831 	if (IS_ERR(regmap)) {
832 		dev_err(&pdev->dev, "Failed to create regmap\n");
833 		return PTR_ERR(regmap);
834 	}
835 
836 	return devm_snd_soc_register_component(&pdev->dev,
837 					       &sun8i_codec_analog_cmpnt_drv,
838 					       NULL, 0);
839 }
840 
841 static struct platform_driver sun8i_codec_analog_driver = {
842 	.driver = {
843 		.name = "sun8i-codec-analog",
844 		.of_match_table = sun8i_codec_analog_of_match,
845 	},
846 	.probe = sun8i_codec_analog_probe,
847 };
848 module_platform_driver(sun8i_codec_analog_driver);
849 
850 MODULE_DESCRIPTION("Allwinner internal codec analog controls driver");
851 MODULE_AUTHOR("Chen-Yu Tsai <wens@csie.org>");
852 MODULE_LICENSE("GPL");
853 MODULE_ALIAS("platform:sun8i-codec-analog");
854