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Linux 4.19-rc7
[linux-2.6/btrfs-unstable.git] / sound / soc / codecs / cpcap.c
blobd7f05b384f1fbb83b944cf072f34c3efd238b601
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * ALSA SoC CPCAP codec driver
4 *
5 * Copyright (C) 2017 - 2018 Sebastian Reichel <sre@kernel.org>
6 *
7 * Very loosely based on original driver from Motorola:
8 * Copyright (C) 2007 - 2009 Motorola, Inc.
9 */
10
11 #include <linux/module.h>
12 #include <linux/regmap.h>
13 #include <linux/platform_device.h>
14 #include <linux/mfd/motorola-cpcap.h>
15 #include <sound/core.h>
16 #include <sound/soc.h>
17 #include <sound/tlv.h>
18
19 /* Register 513 CPCAP_REG_CC --- CODEC */
20 #define CPCAP_BIT_CDC_CLK2 15
21 #define CPCAP_BIT_CDC_CLK1 14
22 #define CPCAP_BIT_CDC_CLK0 13
23 #define CPCAP_BIT_CDC_SR3 12
24 #define CPCAP_BIT_CDC_SR2 11
25 #define CPCAP_BIT_CDC_SR1 10
26 #define CPCAP_BIT_CDC_SR0 9
27 #define CPCAP_BIT_CDC_CLOCK_TREE_RESET 8
28 #define CPCAP_BIT_MIC2_CDC_EN 7
29 #define CPCAP_BIT_CDC_EN_RX 6
30 #define CPCAP_BIT_DF_RESET 5
31 #define CPCAP_BIT_MIC1_CDC_EN 4
32 #define CPCAP_BIT_AUDOHPF_1 3
33 #define CPCAP_BIT_AUDOHPF_0 2
34 #define CPCAP_BIT_AUDIHPF_1 1
35 #define CPCAP_BIT_AUDIHPF_0 0
36
37 /* Register 514 CPCAP_REG_CDI --- CODEC Digital Audio Interface */
38 #define CPCAP_BIT_CDC_PLL_SEL 15
39 #define CPCAP_BIT_CLK_IN_SEL 13
40 #define CPCAP_BIT_DIG_AUD_IN 12
41 #define CPCAP_BIT_CDC_CLK_EN 11
42 #define CPCAP_BIT_CDC_DIG_AUD_FS1 10
43 #define CPCAP_BIT_CDC_DIG_AUD_FS0 9
44 #define CPCAP_BIT_MIC2_TIMESLOT2 8
45 #define CPCAP_BIT_MIC2_TIMESLOT1 7
46 #define CPCAP_BIT_MIC2_TIMESLOT0 6
47 #define CPCAP_BIT_MIC1_RX_TIMESLOT2 5
48 #define CPCAP_BIT_MIC1_RX_TIMESLOT1 4
49 #define CPCAP_BIT_MIC1_RX_TIMESLOT0 3
50 #define CPCAP_BIT_FS_INV 2
51 #define CPCAP_BIT_CLK_INV 1
52 #define CPCAP_BIT_SMB_CDC 0
53
54 /* Register 515 CPCAP_REG_SDAC --- Stereo DAC */
55 #define CPCAP_BIT_FSYNC_CLK_IN_COMMON 11
56 #define CPCAP_BIT_SLAVE_PLL_CLK_INPUT 10
57 #define CPCAP_BIT_ST_CLOCK_TREE_RESET 9
58 #define CPCAP_BIT_DF_RESET_ST_DAC 8
59 #define CPCAP_BIT_ST_SR3 7
60 #define CPCAP_BIT_ST_SR2 6
61 #define CPCAP_BIT_ST_SR1 5
62 #define CPCAP_BIT_ST_SR0 4
63 #define CPCAP_BIT_ST_DAC_CLK2 3
64 #define CPCAP_BIT_ST_DAC_CLK1 2
65 #define CPCAP_BIT_ST_DAC_CLK0 1
66 #define CPCAP_BIT_ST_DAC_EN 0
67
68 /* Register 516 CPCAP_REG_SDACDI --- Stereo DAC Digital Audio Interface */
69 #define CPCAP_BIT_ST_L_TIMESLOT2 13
70 #define CPCAP_BIT_ST_L_TIMESLOT1 12
71 #define CPCAP_BIT_ST_L_TIMESLOT0 11
72 #define CPCAP_BIT_ST_R_TIMESLOT2 10
73 #define CPCAP_BIT_ST_R_TIMESLOT1 9
74 #define CPCAP_BIT_ST_R_TIMESLOT0 8
75 #define CPCAP_BIT_ST_DAC_CLK_IN_SEL 7
76 #define CPCAP_BIT_ST_FS_INV 6
77 #define CPCAP_BIT_ST_CLK_INV 5
78 #define CPCAP_BIT_ST_DIG_AUD_FS1 4
79 #define CPCAP_BIT_ST_DIG_AUD_FS0 3
80 #define CPCAP_BIT_DIG_AUD_IN_ST_DAC 2
81 #define CPCAP_BIT_ST_CLK_EN 1
82 #define CPCAP_BIT_SMB_ST_DAC 0
83
84 /* Register 517 CPCAP_REG_TXI --- TX Interface */
85 #define CPCAP_BIT_PTT_TH 15
86 #define CPCAP_BIT_PTT_CMP_EN 14
87 #define CPCAP_BIT_HS_ID_TX 13
88 #define CPCAP_BIT_MB_ON2 12
89 #define CPCAP_BIT_MB_ON1L 11
90 #define CPCAP_BIT_MB_ON1R 10
91 #define CPCAP_BIT_RX_L_ENCODE 9
92 #define CPCAP_BIT_RX_R_ENCODE 8
93 #define CPCAP_BIT_MIC2_MUX 7
94 #define CPCAP_BIT_MIC2_PGA_EN 6
95 #define CPCAP_BIT_CDET_DIS 5
96 #define CPCAP_BIT_EMU_MIC_MUX 4
97 #define CPCAP_BIT_HS_MIC_MUX 3
98 #define CPCAP_BIT_MIC1_MUX 2
99 #define CPCAP_BIT_MIC1_PGA_EN 1
100 #define CPCAP_BIT_DLM 0
101
102 /* Register 518 CPCAP_REG_TXMP --- Mic Gain */
103 #define CPCAP_BIT_MB_BIAS_R1 11
104 #define CPCAP_BIT_MB_BIAS_R0 10
105 #define CPCAP_BIT_MIC2_GAIN_4 9
106 #define CPCAP_BIT_MIC2_GAIN_3 8
107 #define CPCAP_BIT_MIC2_GAIN_2 7
108 #define CPCAP_BIT_MIC2_GAIN_1 6
109 #define CPCAP_BIT_MIC2_GAIN_0 5
110 #define CPCAP_BIT_MIC1_GAIN_4 4
111 #define CPCAP_BIT_MIC1_GAIN_3 3
112 #define CPCAP_BIT_MIC1_GAIN_2 2
113 #define CPCAP_BIT_MIC1_GAIN_1 1
114 #define CPCAP_BIT_MIC1_GAIN_0 0
115
116 /* Register 519 CPCAP_REG_RXOA --- RX Output Amplifier */
117 #define CPCAP_BIT_UNUSED_519_15 15
118 #define CPCAP_BIT_UNUSED_519_14 14
119 #define CPCAP_BIT_UNUSED_519_13 13
120 #define CPCAP_BIT_STDAC_LOW_PWR_DISABLE 12
121 #define CPCAP_BIT_HS_LOW_PWR 11
122 #define CPCAP_BIT_HS_ID_RX 10
123 #define CPCAP_BIT_ST_HS_CP_EN 9
124 #define CPCAP_BIT_EMU_SPKR_R_EN 8
125 #define CPCAP_BIT_EMU_SPKR_L_EN 7
126 #define CPCAP_BIT_HS_L_EN 6
127 #define CPCAP_BIT_HS_R_EN 5
128 #define CPCAP_BIT_A4_LINEOUT_L_EN 4
129 #define CPCAP_BIT_A4_LINEOUT_R_EN 3
130 #define CPCAP_BIT_A2_LDSP_L_EN 2
131 #define CPCAP_BIT_A2_LDSP_R_EN 1
132 #define CPCAP_BIT_A1_EAR_EN 0
133
134 /* Register 520 CPCAP_REG_RXVC --- RX Volume Control */
135 #define CPCAP_BIT_VOL_EXT3 15
136 #define CPCAP_BIT_VOL_EXT2 14
137 #define CPCAP_BIT_VOL_EXT1 13
138 #define CPCAP_BIT_VOL_EXT0 12
139 #define CPCAP_BIT_VOL_DAC3 11
140 #define CPCAP_BIT_VOL_DAC2 10
141 #define CPCAP_BIT_VOL_DAC1 9
142 #define CPCAP_BIT_VOL_DAC0 8
143 #define CPCAP_BIT_VOL_DAC_LSB_1dB1 7
144 #define CPCAP_BIT_VOL_DAC_LSB_1dB0 6
145 #define CPCAP_BIT_VOL_CDC3 5
146 #define CPCAP_BIT_VOL_CDC2 4
147 #define CPCAP_BIT_VOL_CDC1 3
148 #define CPCAP_BIT_VOL_CDC0 2
149 #define CPCAP_BIT_VOL_CDC_LSB_1dB1 1
150 #define CPCAP_BIT_VOL_CDC_LSB_1dB0 0
151
152 /* Register 521 CPCAP_REG_RXCOA --- Codec to Output Amp Switches */
153 #define CPCAP_BIT_PGA_CDC_EN 10
154 #define CPCAP_BIT_CDC_SW 9
155 #define CPCAP_BIT_PGA_OUTR_USBDP_CDC_SW 8
156 #define CPCAP_BIT_PGA_OUTL_USBDN_CDC_SW 7
157 #define CPCAP_BIT_ALEFT_HS_CDC_SW 6
158 #define CPCAP_BIT_ARIGHT_HS_CDC_SW 5
159 #define CPCAP_BIT_A4_LINEOUT_L_CDC_SW 4
160 #define CPCAP_BIT_A4_LINEOUT_R_CDC_SW 3
161 #define CPCAP_BIT_A2_LDSP_L_CDC_SW 2
162 #define CPCAP_BIT_A2_LDSP_R_CDC_SW 1
163 #define CPCAP_BIT_A1_EAR_CDC_SW 0
164
165 /* Register 522 CPCAP_REG_RXSDOA --- RX Stereo DAC to Output Amp Switches */
166 #define CPCAP_BIT_PGA_DAC_EN 12
167 #define CPCAP_BIT_ST_DAC_SW 11
168 #define CPCAP_BIT_MONO_DAC1 10
169 #define CPCAP_BIT_MONO_DAC0 9
170 #define CPCAP_BIT_PGA_OUTR_USBDP_DAC_SW 8
171 #define CPCAP_BIT_PGA_OUTL_USBDN_DAC_SW 7
172 #define CPCAP_BIT_ALEFT_HS_DAC_SW 6
173 #define CPCAP_BIT_ARIGHT_HS_DAC_SW 5
174 #define CPCAP_BIT_A4_LINEOUT_L_DAC_SW 4
175 #define CPCAP_BIT_A4_LINEOUT_R_DAC_SW 3
176 #define CPCAP_BIT_A2_LDSP_L_DAC_SW 2
177 #define CPCAP_BIT_A2_LDSP_R_DAC_SW 1
178 #define CPCAP_BIT_A1_EAR_DAC_SW 0
179
180 /* Register 523 CPCAP_REG_RXEPOA --- RX External PGA to Output Amp Switches */
181 #define CPCAP_BIT_PGA_EXT_L_EN 14
182 #define CPCAP_BIT_PGA_EXT_R_EN 13
183 #define CPCAP_BIT_PGA_IN_L_SW 12
184 #define CPCAP_BIT_PGA_IN_R_SW 11
185 #define CPCAP_BIT_MONO_EXT1 10
186 #define CPCAP_BIT_MONO_EXT0 9
187 #define CPCAP_BIT_PGA_OUTR_USBDP_EXT_SW 8
188 #define CPCAP_BIT_PGA_OUTL_USBDN_EXT_SW 7
189 #define CPCAP_BIT_ALEFT_HS_EXT_SW 6
190 #define CPCAP_BIT_ARIGHT_HS_EXT_SW 5
191 #define CPCAP_BIT_A4_LINEOUT_L_EXT_SW 4
192 #define CPCAP_BIT_A4_LINEOUT_R_EXT_SW 3
193 #define CPCAP_BIT_A2_LDSP_L_EXT_SW 2
194 #define CPCAP_BIT_A2_LDSP_R_EXT_SW 1
195 #define CPCAP_BIT_A1_EAR_EXT_SW 0
196
197 /* Register 525 CPCAP_REG_A2LA --- SPK Amplifier and Clock Config for Headset */
198 #define CPCAP_BIT_NCP_CLK_SYNC 7
199 #define CPCAP_BIT_A2_CLK_SYNC 6
200 #define CPCAP_BIT_A2_FREE_RUN 5
201 #define CPCAP_BIT_A2_CLK2 4
202 #define CPCAP_BIT_A2_CLK1 3
203 #define CPCAP_BIT_A2_CLK0 2
204 #define CPCAP_BIT_A2_CLK_IN 1
205 #define CPCAP_BIT_A2_CONFIG 0
206
207 #define SLEEP_ACTIVATE_POWER 2
208 #define CLOCK_TREE_RESET_TIME 1
209
210 /* constants for ST delay workaround */
211 #define STM_STDAC_ACTIVATE_RAMP_TIME 1
212 #define STM_STDAC_EN_TEST_PRE 0x090C
213 #define STM_STDAC_EN_TEST_POST 0x0000
214 #define STM_STDAC_EN_ST_TEST1_PRE 0x2400
215 #define STM_STDAC_EN_ST_TEST1_POST 0x0400
216
217 struct cpcap_reg_info {
218 u16 reg;
219 u16 mask;
220 u16 val;
221 };
222
223 static const struct cpcap_reg_info cpcap_default_regs[] = {
224 { CPCAP_REG_CC, 0xFFFF, 0x0000 },
225 { CPCAP_REG_CC, 0xFFFF, 0x0000 },
226 { CPCAP_REG_CDI, 0xBFFF, 0x0000 },
227 { CPCAP_REG_SDAC, 0x0FFF, 0x0000 },
228 { CPCAP_REG_SDACDI, 0x3FFF, 0x0000 },
229 { CPCAP_REG_TXI, 0x0FDF, 0x0000 },
230 { CPCAP_REG_TXMP, 0x0FFF, 0x0400 },
231 { CPCAP_REG_RXOA, 0x01FF, 0x0000 },
232 { CPCAP_REG_RXVC, 0xFF3C, 0x0000 },
233 { CPCAP_REG_RXCOA, 0x07FF, 0x0000 },
234 { CPCAP_REG_RXSDOA, 0x1FFF, 0x0000 },
235 { CPCAP_REG_RXEPOA, 0x7FFF, 0x0000 },
236 { CPCAP_REG_A2LA, BIT(CPCAP_BIT_A2_FREE_RUN),
237 BIT(CPCAP_BIT_A2_FREE_RUN) },
238 };
239
240 enum cpcap_dai {
241 CPCAP_DAI_HIFI,
242 CPCAP_DAI_VOICE,
243 };
244
245 struct cpcap_audio {
246 struct snd_soc_component *component;
247 struct regmap *regmap;
248
249 u16 vendor;
250
251 int codec_clk_id;
252 int codec_freq;
253 int codec_format;
254 };
255
256 static int cpcap_st_workaround(struct snd_soc_dapm_widget *w,
257 struct snd_kcontrol *kcontrol, int event)
258 {
259 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
260 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
261 int err = 0;
262
263 /* Only CPCAP from ST requires workaround */
264 if (cpcap->vendor != CPCAP_VENDOR_ST)
265 return 0;
266
267 switch (event) {
268 case SND_SOC_DAPM_PRE_PMU:
269 err = regmap_write(cpcap->regmap, CPCAP_REG_TEST,
270 STM_STDAC_EN_TEST_PRE);
271 if (err)
272 return err;
273 err = regmap_write(cpcap->regmap, CPCAP_REG_ST_TEST1,
274 STM_STDAC_EN_ST_TEST1_PRE);
275 break;
276 case SND_SOC_DAPM_POST_PMU:
277 msleep(STM_STDAC_ACTIVATE_RAMP_TIME);
278
279 err = regmap_write(cpcap->regmap, CPCAP_REG_ST_TEST1,
280 STM_STDAC_EN_ST_TEST1_POST);
281 if (err)
282 return err;
283 err = regmap_write(cpcap->regmap, CPCAP_REG_TEST,
284 STM_STDAC_EN_TEST_POST);
285 break;
286 default:
287 break;
288 }
289
290 return err;
291 }
292
293 /* Capture Gain Control: 0dB to 31dB in 1dB steps */
294 static const DECLARE_TLV_DB_SCALE(mic_gain_tlv, 0, 100, 0);
295
296 /* Playback Gain Control: -33dB to 12dB in 3dB steps */
297 static const DECLARE_TLV_DB_SCALE(vol_tlv, -3300, 300, 0);
298
299 static const struct snd_kcontrol_new cpcap_snd_controls[] = {
300 /* Playback Gain */
301 SOC_SINGLE_TLV("HiFi Playback Volume",
302 CPCAP_REG_RXVC, CPCAP_BIT_VOL_DAC0, 0xF, 0, vol_tlv),
303 SOC_SINGLE_TLV("Voice Playback Volume",
304 CPCAP_REG_RXVC, CPCAP_BIT_VOL_CDC0, 0xF, 0, vol_tlv),
305 SOC_SINGLE_TLV("Ext Playback Volume",
306 CPCAP_REG_RXVC, CPCAP_BIT_VOL_EXT0, 0xF, 0, vol_tlv),
307
308 /* Capture Gain */
309 SOC_SINGLE_TLV("Mic1 Capture Volume",
310 CPCAP_REG_TXMP, CPCAP_BIT_MIC1_GAIN_0, 0x1F, 0, mic_gain_tlv),
311 SOC_SINGLE_TLV("Mic2 Capture Volume",
312 CPCAP_REG_TXMP, CPCAP_BIT_MIC2_GAIN_0, 0x1F, 0, mic_gain_tlv),
313
314 /* Phase Invert */
315 SOC_SINGLE("Hifi Left Phase Invert Switch",
316 CPCAP_REG_RXSDOA, CPCAP_BIT_MONO_DAC0, 1, 0),
317 SOC_SINGLE("Ext Left Phase Invert Switch",
318 CPCAP_REG_RXEPOA, CPCAP_BIT_MONO_EXT0, 1, 0),
319 };
320
321 static const char * const cpcap_out_mux_texts[] = {
322 "Off", "Voice", "HiFi", "Ext"
323 };
324
325 static const char * const cpcap_in_right_mux_texts[] = {
326 "Off", "Mic 1", "Headset Mic", "EMU Mic", "Ext Right"
327 };
328
329 static const char * const cpcap_in_left_mux_texts[] = {
330 "Off", "Mic 2", "Ext Left"
331 };
332
333 /*
334 * input muxes use unusual register layout, so that we need to use custom
335 * getter/setter methods
336 */
337 static SOC_ENUM_SINGLE_EXT_DECL(cpcap_input_left_mux_enum,
338 cpcap_in_left_mux_texts);
339 static SOC_ENUM_SINGLE_EXT_DECL(cpcap_input_right_mux_enum,
340 cpcap_in_right_mux_texts);
341
342 /*
343 * mux uses same bit in CPCAP_REG_RXCOA, CPCAP_REG_RXSDOA & CPCAP_REG_RXEPOA;
344 * even though the register layout makes it look like a mixer, this is a mux.
345 * Enabling multiple inputs will result in no audio being forwarded.
346 */
347 static SOC_ENUM_SINGLE_DECL(cpcap_earpiece_mux_enum, 0, 0, cpcap_out_mux_texts);
348 static SOC_ENUM_SINGLE_DECL(cpcap_spkr_r_mux_enum, 0, 1, cpcap_out_mux_texts);
349 static SOC_ENUM_SINGLE_DECL(cpcap_spkr_l_mux_enum, 0, 2, cpcap_out_mux_texts);
350 static SOC_ENUM_SINGLE_DECL(cpcap_line_r_mux_enum, 0, 3, cpcap_out_mux_texts);
351 static SOC_ENUM_SINGLE_DECL(cpcap_line_l_mux_enum, 0, 4, cpcap_out_mux_texts);
352 static SOC_ENUM_SINGLE_DECL(cpcap_hs_r_mux_enum, 0, 5, cpcap_out_mux_texts);
353 static SOC_ENUM_SINGLE_DECL(cpcap_hs_l_mux_enum, 0, 6, cpcap_out_mux_texts);
354 static SOC_ENUM_SINGLE_DECL(cpcap_emu_l_mux_enum, 0, 7, cpcap_out_mux_texts);
355 static SOC_ENUM_SINGLE_DECL(cpcap_emu_r_mux_enum, 0, 8, cpcap_out_mux_texts);
356
357 static int cpcap_output_mux_get_enum(struct snd_kcontrol *kcontrol,
358 struct snd_ctl_elem_value *ucontrol)
359 {
360 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
361 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
362 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
363 unsigned int shift = e->shift_l;
364 int reg_voice, reg_hifi, reg_ext, status;
365 int err;
366
367 err = regmap_read(cpcap->regmap, CPCAP_REG_RXCOA, &reg_voice);
368 if (err)
369 return err;
370 err = regmap_read(cpcap->regmap, CPCAP_REG_RXSDOA, &reg_hifi);
371 if (err)
372 return err;
373 err = regmap_read(cpcap->regmap, CPCAP_REG_RXEPOA, &reg_ext);
374 if (err)
375 return err;
376
377 reg_voice = (reg_voice >> shift) & 1;
378 reg_hifi = (reg_hifi >> shift) & 1;
379 reg_ext = (reg_ext >> shift) & 1;
380 status = reg_ext << 2 | reg_hifi << 1 | reg_voice;
381
382 switch (status) {
383 case 0x04:
384 ucontrol->value.enumerated.item[0] = 3;
385 break;
386 case 0x02:
387 ucontrol->value.enumerated.item[0] = 2;
388 break;
389 case 0x01:
390 ucontrol->value.enumerated.item[0] = 1;
391 break;
392 default:
393 ucontrol->value.enumerated.item[0] = 0;
394 break;
395 }
396
397 return 0;
398 }
399
400 static int cpcap_output_mux_put_enum(struct snd_kcontrol *kcontrol,
401 struct snd_ctl_elem_value *ucontrol)
402 {
403 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
404 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
405 struct snd_soc_dapm_context *dapm =
406 snd_soc_dapm_kcontrol_dapm(kcontrol);
407 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
408 unsigned int muxval = ucontrol->value.enumerated.item[0];
409 unsigned int mask = BIT(e->shift_l);
410 u16 reg_voice = 0x00, reg_hifi = 0x00, reg_ext = 0x00;
411 int err;
412
413 switch (muxval) {
414 case 1:
415 reg_voice = mask;
416 break;
417 case 2:
418 reg_hifi = mask;
419 break;
420 case 3:
421 reg_ext = mask;
422 break;
423 default:
424 break;
425 }
426
427 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_RXCOA,
428 mask, reg_voice);
429 if (err)
430 return err;
431 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_RXSDOA,
432 mask, reg_hifi);
433 if (err)
434 return err;
435 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_RXEPOA,
436 mask, reg_ext);
437 if (err)
438 return err;
439
440 snd_soc_dapm_mux_update_power(dapm, kcontrol, muxval, e, NULL);
441
442 return 0;
443 }
444
445 static int cpcap_input_right_mux_get_enum(struct snd_kcontrol *kcontrol,
446 struct snd_ctl_elem_value *ucontrol)
447 {
448 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
449 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
450 int regval, mask;
451 int err;
452
453 err = regmap_read(cpcap->regmap, CPCAP_REG_TXI, &regval);
454 if (err)
455 return err;
456
457 mask = 0;
458 mask |= BIT(CPCAP_BIT_MIC1_MUX);
459 mask |= BIT(CPCAP_BIT_HS_MIC_MUX);
460 mask |= BIT(CPCAP_BIT_EMU_MIC_MUX);
461 mask |= BIT(CPCAP_BIT_RX_R_ENCODE);
462
463 switch (regval & mask) {
464 case BIT(CPCAP_BIT_RX_R_ENCODE):
465 ucontrol->value.enumerated.item[0] = 4;
466 break;
467 case BIT(CPCAP_BIT_EMU_MIC_MUX):
468 ucontrol->value.enumerated.item[0] = 3;
469 break;
470 case BIT(CPCAP_BIT_HS_MIC_MUX):
471 ucontrol->value.enumerated.item[0] = 2;
472 break;
473 case BIT(CPCAP_BIT_MIC1_MUX):
474 ucontrol->value.enumerated.item[0] = 1;
475 break;
476 default:
477 ucontrol->value.enumerated.item[0] = 0;
478 break;
479 }
480
481 return 0;
482 }
483
484 static int cpcap_input_right_mux_put_enum(struct snd_kcontrol *kcontrol,
485 struct snd_ctl_elem_value *ucontrol)
486 {
487 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
488 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
489 struct snd_soc_dapm_context *dapm =
490 snd_soc_dapm_kcontrol_dapm(kcontrol);
491 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
492 unsigned int muxval = ucontrol->value.enumerated.item[0];
493 int regval = 0, mask;
494 int err;
495
496 mask = 0;
497 mask |= BIT(CPCAP_BIT_MIC1_MUX);
498 mask |= BIT(CPCAP_BIT_HS_MIC_MUX);
499 mask |= BIT(CPCAP_BIT_EMU_MIC_MUX);
500 mask |= BIT(CPCAP_BIT_RX_R_ENCODE);
501
502 switch (muxval) {
503 case 1:
504 regval = BIT(CPCAP_BIT_MIC1_MUX);
505 break;
506 case 2:
507 regval = BIT(CPCAP_BIT_HS_MIC_MUX);
508 break;
509 case 3:
510 regval = BIT(CPCAP_BIT_EMU_MIC_MUX);
511 break;
512 case 4:
513 regval = BIT(CPCAP_BIT_RX_R_ENCODE);
514 break;
515 default:
516 break;
517 }
518
519 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_TXI,
520 mask, regval);
521 if (err)
522 return err;
523
524 snd_soc_dapm_mux_update_power(dapm, kcontrol, muxval, e, NULL);
525
526 return 0;
527 }
528
529 static int cpcap_input_left_mux_get_enum(struct snd_kcontrol *kcontrol,
530 struct snd_ctl_elem_value *ucontrol)
531 {
532 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
533 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
534 int regval, mask;
535 int err;
536
537 err = regmap_read(cpcap->regmap, CPCAP_REG_TXI, &regval);
538 if (err)
539 return err;
540
541 mask = 0;
542 mask |= BIT(CPCAP_BIT_MIC2_MUX);
543 mask |= BIT(CPCAP_BIT_RX_L_ENCODE);
544
545 switch (regval & mask) {
546 case BIT(CPCAP_BIT_RX_L_ENCODE):
547 ucontrol->value.enumerated.item[0] = 2;
548 break;
549 case BIT(CPCAP_BIT_MIC2_MUX):
550 ucontrol->value.enumerated.item[0] = 1;
551 break;
552 default:
553 ucontrol->value.enumerated.item[0] = 0;
554 break;
555 }
556
557 return 0;
558 }
559
560 static int cpcap_input_left_mux_put_enum(struct snd_kcontrol *kcontrol,
561 struct snd_ctl_elem_value *ucontrol)
562 {
563 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
564 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
565 struct snd_soc_dapm_context *dapm =
566 snd_soc_dapm_kcontrol_dapm(kcontrol);
567 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
568 unsigned int muxval = ucontrol->value.enumerated.item[0];
569 int regval = 0, mask;
570 int err;
571
572 mask = 0;
573 mask |= BIT(CPCAP_BIT_MIC2_MUX);
574 mask |= BIT(CPCAP_BIT_RX_L_ENCODE);
575
576 switch (muxval) {
577 case 1:
578 regval = BIT(CPCAP_BIT_MIC2_MUX);
579 break;
580 case 2:
581 regval = BIT(CPCAP_BIT_RX_L_ENCODE);
582 break;
583 default:
584 break;
585 }
586
587 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_TXI,
588 mask, regval);
589 if (err)
590 return err;
591
592 snd_soc_dapm_mux_update_power(dapm, kcontrol, muxval, e, NULL);
593
594 return 0;
595 }
596
597 static const struct snd_kcontrol_new cpcap_input_left_mux =
598 SOC_DAPM_ENUM_EXT("Input Left", cpcap_input_left_mux_enum,
599 cpcap_input_left_mux_get_enum,
600 cpcap_input_left_mux_put_enum);
601 static const struct snd_kcontrol_new cpcap_input_right_mux =
602 SOC_DAPM_ENUM_EXT("Input Right", cpcap_input_right_mux_enum,
603 cpcap_input_right_mux_get_enum,
604 cpcap_input_right_mux_put_enum);
605 static const struct snd_kcontrol_new cpcap_emu_left_mux =
606 SOC_DAPM_ENUM_EXT("EMU Left", cpcap_emu_l_mux_enum,
607 cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
608 static const struct snd_kcontrol_new cpcap_emu_right_mux =
609 SOC_DAPM_ENUM_EXT("EMU Right", cpcap_emu_r_mux_enum,
610 cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
611 static const struct snd_kcontrol_new cpcap_hs_left_mux =
612 SOC_DAPM_ENUM_EXT("Headset Left", cpcap_hs_l_mux_enum,
613 cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
614 static const struct snd_kcontrol_new cpcap_hs_right_mux =
615 SOC_DAPM_ENUM_EXT("Headset Right", cpcap_hs_r_mux_enum,
616 cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
617 static const struct snd_kcontrol_new cpcap_line_left_mux =
618 SOC_DAPM_ENUM_EXT("Line Left", cpcap_line_l_mux_enum,
619 cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
620 static const struct snd_kcontrol_new cpcap_line_right_mux =
621 SOC_DAPM_ENUM_EXT("Line Right", cpcap_line_r_mux_enum,
622 cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
623 static const struct snd_kcontrol_new cpcap_speaker_left_mux =
624 SOC_DAPM_ENUM_EXT("Speaker Left", cpcap_spkr_l_mux_enum,
625 cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
626 static const struct snd_kcontrol_new cpcap_speaker_right_mux =
627 SOC_DAPM_ENUM_EXT("Speaker Right", cpcap_spkr_r_mux_enum,
628 cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
629 static const struct snd_kcontrol_new cpcap_earpiece_mux =
630 SOC_DAPM_ENUM_EXT("Earpiece", cpcap_earpiece_mux_enum,
631 cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
632
633 static const struct snd_kcontrol_new cpcap_hifi_mono_mixer_controls[] = {
634 SOC_DAPM_SINGLE("HiFi Mono Playback Switch",
635 CPCAP_REG_RXSDOA, CPCAP_BIT_MONO_DAC1, 1, 0),
636 };
637 static const struct snd_kcontrol_new cpcap_ext_mono_mixer_controls[] = {
638 SOC_DAPM_SINGLE("Ext Mono Playback Switch",
639 CPCAP_REG_RXEPOA, CPCAP_BIT_MONO_EXT0, 1, 0),
640 };
641
642 static const struct snd_kcontrol_new cpcap_extr_mute_control =
643 SOC_DAPM_SINGLE("Switch",
644 CPCAP_REG_RXEPOA, CPCAP_BIT_PGA_IN_R_SW, 1, 0);
645 static const struct snd_kcontrol_new cpcap_extl_mute_control =
646 SOC_DAPM_SINGLE("Switch",
647 CPCAP_REG_RXEPOA, CPCAP_BIT_PGA_IN_L_SW, 1, 0);
648
649 static const struct snd_kcontrol_new cpcap_voice_loopback =
650 SOC_DAPM_SINGLE("Switch",
651 CPCAP_REG_TXI, CPCAP_BIT_DLM, 1, 0);
652
653 static const struct snd_soc_dapm_widget cpcap_dapm_widgets[] = {
654 /* DAIs */
655 SND_SOC_DAPM_AIF_IN("HiFi RX", NULL, 0, SND_SOC_NOPM, 0, 0),
656 SND_SOC_DAPM_AIF_IN("Voice RX", NULL, 0, SND_SOC_NOPM, 0, 0),
657 SND_SOC_DAPM_AIF_OUT("Voice TX", NULL, 0, SND_SOC_NOPM, 0, 0),
658
659 /* Power Supply */
660 SND_SOC_DAPM_REGULATOR_SUPPLY("VAUDIO", SLEEP_ACTIVATE_POWER, 0),
661
662 /* Highpass Filters */
663 SND_SOC_DAPM_REG(snd_soc_dapm_pga, "Highpass Filter RX",
664 CPCAP_REG_CC, CPCAP_BIT_AUDIHPF_0, 0x3, 0x3, 0x0),
665 SND_SOC_DAPM_REG(snd_soc_dapm_pga, "Highpass Filter TX",
666 CPCAP_REG_CC, CPCAP_BIT_AUDOHPF_0, 0x3, 0x3, 0x0),
667
668 /* Clocks */
669 SND_SOC_DAPM_SUPPLY("HiFi DAI Clock",
670 CPCAP_REG_SDACDI, CPCAP_BIT_ST_CLK_EN, 0, NULL, 0),
671 SND_SOC_DAPM_SUPPLY("Voice DAI Clock",
672 CPCAP_REG_CDI, CPCAP_BIT_CDC_CLK_EN, 0, NULL, 0),
673
674 /* Microphone Bias */
675 SND_SOC_DAPM_SUPPLY("MIC1R Bias",
676 CPCAP_REG_TXI, CPCAP_BIT_MB_ON1R, 0, NULL, 0),
677 SND_SOC_DAPM_SUPPLY("MIC1L Bias",
678 CPCAP_REG_TXI, CPCAP_BIT_MB_ON1L, 0, NULL, 0),
679 SND_SOC_DAPM_SUPPLY("MIC2 Bias",
680 CPCAP_REG_TXI, CPCAP_BIT_MB_ON2, 0, NULL, 0),
681
682 /* Inputs */
683 SND_SOC_DAPM_INPUT("MICR"),
684 SND_SOC_DAPM_INPUT("HSMIC"),
685 SND_SOC_DAPM_INPUT("EMUMIC"),
686 SND_SOC_DAPM_INPUT("MICL"),
687 SND_SOC_DAPM_INPUT("EXTR"),
688 SND_SOC_DAPM_INPUT("EXTL"),
689
690 /* Capture Route */
691 SND_SOC_DAPM_MUX("Right Capture Route",
692 SND_SOC_NOPM, 0, 0, &cpcap_input_right_mux),
693 SND_SOC_DAPM_MUX("Left Capture Route",
694 SND_SOC_NOPM, 0, 0, &cpcap_input_left_mux),
695
696 /* Capture PGAs */
697 SND_SOC_DAPM_PGA("Microphone 1 PGA",
698 CPCAP_REG_TXI, CPCAP_BIT_MIC1_PGA_EN, 0, NULL, 0),
699 SND_SOC_DAPM_PGA("Microphone 2 PGA",
700 CPCAP_REG_TXI, CPCAP_BIT_MIC2_PGA_EN, 0, NULL, 0),
701
702 /* ADC */
703 SND_SOC_DAPM_ADC("ADC Right", NULL,
704 CPCAP_REG_CC, CPCAP_BIT_MIC1_CDC_EN, 0),
705 SND_SOC_DAPM_ADC("ADC Left", NULL,
706 CPCAP_REG_CC, CPCAP_BIT_MIC2_CDC_EN, 0),
707
708 /* DAC */
709 SND_SOC_DAPM_DAC_E("DAC HiFi", NULL,
710 CPCAP_REG_SDAC, CPCAP_BIT_ST_DAC_EN, 0,
711 cpcap_st_workaround,
712 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
713 SND_SOC_DAPM_DAC_E("DAC Voice", NULL,
714 CPCAP_REG_CC, CPCAP_BIT_CDC_EN_RX, 0,
715 cpcap_st_workaround,
716 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
717
718 /* Playback PGA */
719 SND_SOC_DAPM_PGA("HiFi PGA",
720 CPCAP_REG_RXSDOA, CPCAP_BIT_PGA_DAC_EN, 0, NULL, 0),
721 SND_SOC_DAPM_PGA("Voice PGA",
722 CPCAP_REG_RXCOA, CPCAP_BIT_PGA_CDC_EN, 0, NULL, 0),
723 SND_SOC_DAPM_PGA_E("Ext Right PGA",
724 CPCAP_REG_RXEPOA, CPCAP_BIT_PGA_EXT_R_EN, 0,
725 NULL, 0,
726 cpcap_st_workaround,
727 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
728 SND_SOC_DAPM_PGA_E("Ext Left PGA",
729 CPCAP_REG_RXEPOA, CPCAP_BIT_PGA_EXT_L_EN, 0,
730 NULL, 0,
731 cpcap_st_workaround,
732 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
733
734 /* Playback Switch */
735 SND_SOC_DAPM_SWITCH("Ext Right Enable", SND_SOC_NOPM, 0, 0,
736 &cpcap_extr_mute_control),
737 SND_SOC_DAPM_SWITCH("Ext Left Enable", SND_SOC_NOPM, 0, 0,
738 &cpcap_extl_mute_control),
739
740 /* Loopback Switch */
741 SND_SOC_DAPM_SWITCH("Voice Loopback", SND_SOC_NOPM, 0, 0,
742 &cpcap_voice_loopback),
743
744 /* Mono Mixer */
745 SOC_MIXER_ARRAY("HiFi Mono Left Mixer", SND_SOC_NOPM, 0, 0,
746 cpcap_hifi_mono_mixer_controls),
747 SOC_MIXER_ARRAY("HiFi Mono Right Mixer", SND_SOC_NOPM, 0, 0,
748 cpcap_hifi_mono_mixer_controls),
749 SOC_MIXER_ARRAY("Ext Mono Left Mixer", SND_SOC_NOPM, 0, 0,
750 cpcap_ext_mono_mixer_controls),
751 SOC_MIXER_ARRAY("Ext Mono Right Mixer", SND_SOC_NOPM, 0, 0,
752 cpcap_ext_mono_mixer_controls),
753
754 /* Output Routes */
755 SND_SOC_DAPM_MUX("Earpiece Playback Route", SND_SOC_NOPM, 0, 0,
756 &cpcap_earpiece_mux),
757 SND_SOC_DAPM_MUX("Speaker Right Playback Route", SND_SOC_NOPM, 0, 0,
758 &cpcap_speaker_right_mux),
759 SND_SOC_DAPM_MUX("Speaker Left Playback Route", SND_SOC_NOPM, 0, 0,
760 &cpcap_speaker_left_mux),
761 SND_SOC_DAPM_MUX("Lineout Right Playback Route", SND_SOC_NOPM, 0, 0,
762 &cpcap_line_right_mux),
763 SND_SOC_DAPM_MUX("Lineout Left Playback Route", SND_SOC_NOPM, 0, 0,
764 &cpcap_line_left_mux),
765 SND_SOC_DAPM_MUX("Headset Right Playback Route", SND_SOC_NOPM, 0, 0,
766 &cpcap_hs_right_mux),
767 SND_SOC_DAPM_MUX("Headset Left Playback Route", SND_SOC_NOPM, 0, 0,
768 &cpcap_hs_left_mux),
769 SND_SOC_DAPM_MUX("EMU Right Playback Route", SND_SOC_NOPM, 0, 0,
770 &cpcap_emu_right_mux),
771 SND_SOC_DAPM_MUX("EMU Left Playback Route", SND_SOC_NOPM, 0, 0,
772 &cpcap_emu_left_mux),
773
774 /* Output Amplifier */
775 SND_SOC_DAPM_PGA("Earpiece PGA",
776 CPCAP_REG_RXOA, CPCAP_BIT_A1_EAR_EN, 0, NULL, 0),
777 SND_SOC_DAPM_PGA("Speaker Right PGA",
778 CPCAP_REG_RXOA, CPCAP_BIT_A2_LDSP_R_EN, 0, NULL, 0),
779 SND_SOC_DAPM_PGA("Speaker Left PGA",
780 CPCAP_REG_RXOA, CPCAP_BIT_A2_LDSP_L_EN, 0, NULL, 0),
781 SND_SOC_DAPM_PGA("Lineout Right PGA",
782 CPCAP_REG_RXOA, CPCAP_BIT_A4_LINEOUT_R_EN, 0, NULL, 0),
783 SND_SOC_DAPM_PGA("Lineout Left PGA",
784 CPCAP_REG_RXOA, CPCAP_BIT_A4_LINEOUT_L_EN, 0, NULL, 0),
785 SND_SOC_DAPM_PGA("Headset Right PGA",
786 CPCAP_REG_RXOA, CPCAP_BIT_HS_R_EN, 0, NULL, 0),
787 SND_SOC_DAPM_PGA("Headset Left PGA",
788 CPCAP_REG_RXOA, CPCAP_BIT_HS_L_EN, 0, NULL, 0),
789 SND_SOC_DAPM_PGA("EMU Right PGA",
790 CPCAP_REG_RXOA, CPCAP_BIT_EMU_SPKR_R_EN, 0, NULL, 0),
791 SND_SOC_DAPM_PGA("EMU Left PGA",
792 CPCAP_REG_RXOA, CPCAP_BIT_EMU_SPKR_L_EN, 0, NULL, 0),
793
794 /* Headet Charge Pump */
795 SND_SOC_DAPM_SUPPLY("Headset Charge Pump",
796 CPCAP_REG_RXOA, CPCAP_BIT_ST_HS_CP_EN, 0, NULL, 0),
797
798 /* Outputs */
799 SND_SOC_DAPM_OUTPUT("EP"),
800 SND_SOC_DAPM_OUTPUT("SPKR"),
801 SND_SOC_DAPM_OUTPUT("SPKL"),
802 SND_SOC_DAPM_OUTPUT("LINER"),
803 SND_SOC_DAPM_OUTPUT("LINEL"),
804 SND_SOC_DAPM_OUTPUT("HSR"),
805 SND_SOC_DAPM_OUTPUT("HSL"),
806 SND_SOC_DAPM_OUTPUT("EMUR"),
807 SND_SOC_DAPM_OUTPUT("EMUL"),
808 };
809
810 static const struct snd_soc_dapm_route intercon[] = {
811 /* Power Supply */
812 {"HiFi PGA", NULL, "VAUDIO"},
813 {"Voice PGA", NULL, "VAUDIO"},
814 {"Ext Right PGA", NULL, "VAUDIO"},
815 {"Ext Left PGA", NULL, "VAUDIO"},
816 {"Microphone 1 PGA", NULL, "VAUDIO"},
817 {"Microphone 2 PGA", NULL, "VAUDIO"},
818
819 /* Stream -> AIF */
820 {"HiFi RX", NULL, "HiFi Playback"},
821 {"Voice RX", NULL, "Voice Playback"},
822 {"Voice Capture", NULL, "Voice TX"},
823
824 /* AIF clocks */
825 {"HiFi RX", NULL, "HiFi DAI Clock"},
826 {"Voice RX", NULL, "Voice DAI Clock"},
827 {"Voice TX", NULL, "Voice DAI Clock"},
828
829 /* Digital Loopback */
830 {"Voice Loopback", "Switch", "Voice TX"},
831 {"Voice RX", NULL, "Voice Loopback"},
832
833 /* Highpass Filters */
834 {"Highpass Filter RX", NULL, "Voice RX"},
835 {"Voice TX", NULL, "Highpass Filter TX"},
836
837 /* AIF -> DAC mapping */
838 {"DAC HiFi", NULL, "HiFi RX"},
839 {"DAC Voice", NULL, "Highpass Filter RX"},
840
841 /* DAC -> PGA */
842 {"HiFi PGA", NULL, "DAC HiFi"},
843 {"Voice PGA", NULL, "DAC Voice"},
844
845 /* Ext Input -> PGA */
846 {"Ext Right PGA", NULL, "EXTR"},
847 {"Ext Left PGA", NULL, "EXTL"},
848
849 /* Ext PGA -> Ext Playback Switch */
850 {"Ext Right Enable", "Switch", "Ext Right PGA"},
851 {"Ext Left Enable", "Switch", "Ext Left PGA"},
852
853 /* HiFi PGA -> Mono Mixer */
854 {"HiFi Mono Left Mixer", NULL, "HiFi PGA"},
855 {"HiFi Mono Left Mixer", "HiFi Mono Playback Switch", "HiFi PGA"},
856 {"HiFi Mono Right Mixer", NULL, "HiFi PGA"},
857 {"HiFi Mono Right Mixer", "HiFi Mono Playback Switch", "HiFi PGA"},
858
859 /* Ext Playback Switch -> Ext Mono Mixer */
860 {"Ext Mono Right Mixer", NULL, "Ext Right Enable"},
861 {"Ext Mono Right Mixer", "Ext Mono Playback Switch", "Ext Left Enable"},
862 {"Ext Mono Left Mixer", NULL, "Ext Left Enable"},
863 {"Ext Mono Left Mixer", "Ext Mono Playback Switch", "Ext Right Enable"},
864
865 /* HiFi Mono Mixer -> Output Route */
866 {"Earpiece Playback Route", "HiFi", "HiFi Mono Right Mixer"},
867 {"Speaker Right Playback Route", "HiFi", "HiFi Mono Right Mixer"},
868 {"Speaker Left Playback Route", "HiFi", "HiFi Mono Left Mixer"},
869 {"Lineout Right Playback Route", "HiFi", "HiFi Mono Right Mixer"},
870 {"Lineout Left Playback Route", "HiFi", "HiFi Mono Left Mixer"},
871 {"Headset Right Playback Route", "HiFi", "HiFi Mono Right Mixer"},
872 {"Headset Left Playback Route", "HiFi", "HiFi Mono Left Mixer"},
873 {"EMU Right Playback Route", "HiFi", "HiFi Mono Right Mixer"},
874 {"EMU Left Playback Route", "HiFi", "HiFi Mono Left Mixer"},
875
876 /* Voice PGA -> Output Route */
877 {"Earpiece Playback Route", "Voice", "Voice PGA"},
878 {"Speaker Right Playback Route", "Voice", "Voice PGA"},
879 {"Speaker Left Playback Route", "Voice", "Voice PGA"},
880 {"Lineout Right Playback Route", "Voice", "Voice PGA"},
881 {"Lineout Left Playback Route", "Voice", "Voice PGA"},
882 {"Headset Right Playback Route", "Voice", "Voice PGA"},
883 {"Headset Left Playback Route", "Voice", "Voice PGA"},
884 {"EMU Right Playback Route", "Voice", "Voice PGA"},
885 {"EMU Left Playback Route", "Voice", "Voice PGA"},
886
887 /* Ext Mono Mixer -> Output Route */
888 {"Earpiece Playback Route", "Ext", "Ext Mono Right Mixer"},
889 {"Speaker Right Playback Route", "Ext", "Ext Mono Right Mixer"},
890 {"Speaker Left Playback Route", "Ext", "Ext Mono Left Mixer"},
891 {"Lineout Right Playback Route", "Ext", "Ext Mono Right Mixer"},
892 {"Lineout Left Playback Route", "Ext", "Ext Mono Left Mixer"},
893 {"Headset Right Playback Route", "Ext", "Ext Mono Right Mixer"},
894 {"Headset Left Playback Route", "Ext", "Ext Mono Left Mixer"},
895 {"EMU Right Playback Route", "Ext", "Ext Mono Right Mixer"},
896 {"EMU Left Playback Route", "Ext", "Ext Mono Left Mixer"},
897
898 /* Output Route -> Output Amplifier */
899 {"Earpiece PGA", NULL, "Earpiece Playback Route"},
900 {"Speaker Right PGA", NULL, "Speaker Right Playback Route"},
901 {"Speaker Left PGA", NULL, "Speaker Left Playback Route"},
902 {"Lineout Right PGA", NULL, "Lineout Right Playback Route"},
903 {"Lineout Left PGA", NULL, "Lineout Left Playback Route"},
904 {"Headset Right PGA", NULL, "Headset Right Playback Route"},
905 {"Headset Left PGA", NULL, "Headset Left Playback Route"},
906 {"EMU Right PGA", NULL, "EMU Right Playback Route"},
907 {"EMU Left PGA", NULL, "EMU Left Playback Route"},
908
909 /* Output Amplifier -> Output */
910 {"EP", NULL, "Earpiece PGA"},
911 {"SPKR", NULL, "Speaker Right PGA"},
912 {"SPKL", NULL, "Speaker Left PGA"},
913 {"LINER", NULL, "Lineout Right PGA"},
914 {"LINEL", NULL, "Lineout Left PGA"},
915 {"HSR", NULL, "Headset Right PGA"},
916 {"HSL", NULL, "Headset Left PGA"},
917 {"EMUR", NULL, "EMU Right PGA"},
918 {"EMUL", NULL, "EMU Left PGA"},
919
920 /* Headset Charge Pump -> Headset */
921 {"HSR", NULL, "Headset Charge Pump"},
922 {"HSL", NULL, "Headset Charge Pump"},
923
924 /* Mic -> Mic Route */
925 {"Right Capture Route", "Mic 1", "MICR"},
926 {"Right Capture Route", "Headset Mic", "HSMIC"},
927 {"Right Capture Route", "EMU Mic", "EMUMIC"},
928 {"Right Capture Route", "Ext Right", "EXTR"},
929 {"Left Capture Route", "Mic 2", "MICL"},
930 {"Left Capture Route", "Ext Left", "EXTL"},
931
932 /* Input Route -> Microphone PGA */
933 {"Microphone 1 PGA", NULL, "Right Capture Route"},
934 {"Microphone 2 PGA", NULL, "Left Capture Route"},
935
936 /* Microphone PGA -> ADC */
937 {"ADC Right", NULL, "Microphone 1 PGA"},
938 {"ADC Left", NULL, "Microphone 2 PGA"},
939
940 /* ADC -> Stream */
941 {"Highpass Filter TX", NULL, "ADC Right"},
942 {"Highpass Filter TX", NULL, "ADC Left"},
943
944 /* Mic Bias */
945 {"MICL", NULL, "MIC1L Bias"},
946 {"MICR", NULL, "MIC1R Bias"},
947 };
948
949 static int cpcap_set_sysclk(struct cpcap_audio *cpcap, enum cpcap_dai dai,
950 int clk_id, int freq)
951 {
952 u16 clkfreqreg, clkfreqshift;
953 u16 clkfreqmask, clkfreqval;
954 u16 clkidreg, clkidshift;
955 u16 mask, val;
956 int err;
957
958 switch (dai) {
959 case CPCAP_DAI_HIFI:
960 clkfreqreg = CPCAP_REG_SDAC;
961 clkfreqshift = CPCAP_BIT_ST_DAC_CLK0;
962 clkidreg = CPCAP_REG_SDACDI;
963 clkidshift = CPCAP_BIT_ST_DAC_CLK_IN_SEL;
964 break;
965 case CPCAP_DAI_VOICE:
966 clkfreqreg = CPCAP_REG_CC;
967 clkfreqshift = CPCAP_BIT_CDC_CLK0;
968 clkidreg = CPCAP_REG_CDI;
969 clkidshift = CPCAP_BIT_CLK_IN_SEL;
970 break;
971 default:
972 dev_err(cpcap->component->dev, "invalid DAI: %d", dai);
973 return -EINVAL;
974 }
975
976 /* setup clk id */
977 if (clk_id < 0 || clk_id > 1) {
978 dev_err(cpcap->component->dev, "invalid clk id %d", clk_id);
979 return -EINVAL;
980 }
981 err = regmap_update_bits(cpcap->regmap, clkidreg, BIT(clkidshift),
982 clk_id ? BIT(clkidshift) : 0);
983 if (err)
984 return err;
985
986 /* enable PLL for Voice DAI */
987 if (dai == CPCAP_DAI_VOICE) {
988 mask = BIT(CPCAP_BIT_CDC_PLL_SEL);
989 val = BIT(CPCAP_BIT_CDC_PLL_SEL);
990 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CDI,
991 mask, val);
992 if (err)
993 return err;
994 }
995
996 /* setup frequency */
997 clkfreqmask = 0x7 << clkfreqshift;
998 switch (freq) {
999 case 15360000:
1000 clkfreqval = 0x01 << clkfreqshift;
1001 break;
1002 case 16800000:
1003 clkfreqval = 0x02 << clkfreqshift;
1004 break;
1005 case 19200000:
1006 clkfreqval = 0x03 << clkfreqshift;
1007 break;
1008 case 26000000:
1009 clkfreqval = 0x04 << clkfreqshift;
1010 break;
1011 case 33600000:
1012 clkfreqval = 0x05 << clkfreqshift;
1013 break;
1014 case 38400000:
1015 clkfreqval = 0x06 << clkfreqshift;
1016 break;
1017 default:
1018 dev_err(cpcap->component->dev, "unsupported freq %u", freq);
1019 return -EINVAL;
1020 }
1021
1022 err = regmap_update_bits(cpcap->regmap, clkfreqreg,
1023 clkfreqmask, clkfreqval);
1024 if (err)
1025 return err;
1026
1027 if (dai == CPCAP_DAI_VOICE) {
1028 cpcap->codec_clk_id = clk_id;
1029 cpcap->codec_freq = freq;
1030 }
1031
1032 return 0;
1033 }
1034
1035 static int cpcap_set_samprate(struct cpcap_audio *cpcap, enum cpcap_dai dai,
1036 int samplerate)
1037 {
1038 struct snd_soc_component *component = cpcap->component;
1039 u16 sampreg, sampmask, sampshift, sampval, sampreset;
1040 int err, sampreadval;
1041
1042 switch (dai) {
1043 case CPCAP_DAI_HIFI:
1044 sampreg = CPCAP_REG_SDAC;
1045 sampshift = CPCAP_BIT_ST_SR0;
1046 sampreset = BIT(CPCAP_BIT_DF_RESET_ST_DAC) |
1047 BIT(CPCAP_BIT_ST_CLOCK_TREE_RESET);
1048 break;
1049 case CPCAP_DAI_VOICE:
1050 sampreg = CPCAP_REG_CC;
1051 sampshift = CPCAP_BIT_CDC_SR0;
1052 sampreset = BIT(CPCAP_BIT_DF_RESET) |
1053 BIT(CPCAP_BIT_CDC_CLOCK_TREE_RESET);
1054 break;
1055 default:
1056 dev_err(component->dev, "invalid DAI: %d", dai);
1057 return -EINVAL;
1058 }
1059
1060 sampmask = 0xF << sampshift | sampreset;
1061 switch (samplerate) {
1062 case 48000:
1063 sampval = 0x8 << sampshift;
1064 break;
1065 case 44100:
1066 sampval = 0x7 << sampshift;
1067 break;
1068 case 32000:
1069 sampval = 0x6 << sampshift;
1070 break;
1071 case 24000:
1072 sampval = 0x5 << sampshift;
1073 break;
1074 case 22050:
1075 sampval = 0x4 << sampshift;
1076 break;
1077 case 16000:
1078 sampval = 0x3 << sampshift;
1079 break;
1080 case 12000:
1081 sampval = 0x2 << sampshift;
1082 break;
1083 case 11025:
1084 sampval = 0x1 << sampshift;
1085 break;
1086 case 8000:
1087 sampval = 0x0 << sampshift;
1088 break;
1089 default:
1090 dev_err(component->dev, "unsupported samplerate %d", samplerate);
1091 return -EINVAL;
1092 }
1093 err = regmap_update_bits(cpcap->regmap, sampreg,
1094 sampmask, sampval | sampreset);
1095 if (err)
1096 return err;
1097
1098 /* Wait for clock tree reset to complete */
1099 mdelay(CLOCK_TREE_RESET_TIME);
1100
1101 err = regmap_read(cpcap->regmap, sampreg, &sampreadval);
1102 if (err)
1103 return err;
1104
1105 if (sampreadval & sampreset) {
1106 dev_err(component->dev, "reset self-clear failed: %04x",
1107 sampreadval);
1108 return -EIO;
1109 }
1110
1111 return 0;
1112 }
1113
1114 static int cpcap_hifi_hw_params(struct snd_pcm_substream *substream,
1115 struct snd_pcm_hw_params *params,
1116 struct snd_soc_dai *dai)
1117 {
1118 struct snd_soc_component *component = dai->component;
1119 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1120 int rate = params_rate(params);
1121
1122 dev_dbg(component->dev, "HiFi setup HW params: rate=%d", rate);
1123 return cpcap_set_samprate(cpcap, CPCAP_DAI_HIFI, rate);
1124 }
1125
1126 static int cpcap_hifi_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id,
1127 unsigned int freq, int dir)
1128 {
1129 struct snd_soc_component *component = codec_dai->component;
1130 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1131 struct device *dev = component->dev;
1132
1133 dev_dbg(dev, "HiFi setup sysclk: clk_id=%u, freq=%u", clk_id, freq);
1134 return cpcap_set_sysclk(cpcap, CPCAP_DAI_HIFI, clk_id, freq);
1135 }
1136
1137 static int cpcap_hifi_set_dai_fmt(struct snd_soc_dai *codec_dai,
1138 unsigned int fmt)
1139 {
1140 struct snd_soc_component *component = codec_dai->component;
1141 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1142 struct device *dev = component->dev;
1143 static const u16 reg = CPCAP_REG_SDACDI;
1144 static const u16 mask =
1145 BIT(CPCAP_BIT_SMB_ST_DAC) |
1146 BIT(CPCAP_BIT_ST_CLK_INV) |
1147 BIT(CPCAP_BIT_ST_FS_INV) |
1148 BIT(CPCAP_BIT_ST_DIG_AUD_FS0) |
1149 BIT(CPCAP_BIT_ST_DIG_AUD_FS1) |
1150 BIT(CPCAP_BIT_ST_L_TIMESLOT0) |
1151 BIT(CPCAP_BIT_ST_L_TIMESLOT1) |
1152 BIT(CPCAP_BIT_ST_L_TIMESLOT2) |
1153 BIT(CPCAP_BIT_ST_R_TIMESLOT0) |
1154 BIT(CPCAP_BIT_ST_R_TIMESLOT1) |
1155 BIT(CPCAP_BIT_ST_R_TIMESLOT2);
1156 u16 val = 0x0000;
1157
1158 dev_dbg(dev, "HiFi setup dai format (%08x)", fmt);
1159
1160 /*
1161 * "HiFi Playback" should always be configured as
1162 * SND_SOC_DAIFMT_CBM_CFM - codec clk & frm master
1163 * SND_SOC_DAIFMT_I2S - I2S mode
1164 */
1165 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1166 case SND_SOC_DAIFMT_CBM_CFM:
1167 val &= ~BIT(CPCAP_BIT_SMB_ST_DAC);
1168 break;
1169 default:
1170 dev_err(dev, "HiFi dai fmt failed: CPCAP should be master");
1171 return -EINVAL;
1172 }
1173
1174 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1175 case SND_SOC_DAIFMT_IB_IF:
1176 val |= BIT(CPCAP_BIT_ST_FS_INV);
1177 val |= BIT(CPCAP_BIT_ST_CLK_INV);
1178 break;
1179 case SND_SOC_DAIFMT_IB_NF:
1180 val &= ~BIT(CPCAP_BIT_ST_FS_INV);
1181 val |= BIT(CPCAP_BIT_ST_CLK_INV);
1182 break;
1183 case SND_SOC_DAIFMT_NB_IF:
1184 val |= BIT(CPCAP_BIT_ST_FS_INV);
1185 val &= ~BIT(CPCAP_BIT_ST_CLK_INV);
1186 break;
1187 case SND_SOC_DAIFMT_NB_NF:
1188 val &= ~BIT(CPCAP_BIT_ST_FS_INV);
1189 val &= ~BIT(CPCAP_BIT_ST_CLK_INV);
1190 break;
1191 default:
1192 dev_err(dev, "HiFi dai fmt failed: unsupported clock invert mode");
1193 return -EINVAL;
1194 }
1195
1196 if (val & BIT(CPCAP_BIT_ST_CLK_INV))
1197 val &= ~BIT(CPCAP_BIT_ST_CLK_INV);
1198 else
1199 val |= BIT(CPCAP_BIT_ST_CLK_INV);
1200
1201 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1202 case SND_SOC_DAIFMT_I2S:
1203 val |= BIT(CPCAP_BIT_ST_DIG_AUD_FS0);
1204 val |= BIT(CPCAP_BIT_ST_DIG_AUD_FS1);
1205 break;
1206 default:
1207 /* 01 - 4 slots network mode */
1208 val |= BIT(CPCAP_BIT_ST_DIG_AUD_FS0);
1209 val &= ~BIT(CPCAP_BIT_ST_DIG_AUD_FS1);
1210 /* L on slot 1 */
1211 val |= BIT(CPCAP_BIT_ST_L_TIMESLOT0);
1212 break;
1213 }
1214
1215 dev_dbg(dev, "HiFi dai format: val=%04x", val);
1216 return regmap_update_bits(cpcap->regmap, reg, mask, val);
1217 }
1218
1219 static int cpcap_hifi_set_mute(struct snd_soc_dai *dai, int mute)
1220 {
1221 struct snd_soc_component *component = dai->component;
1222 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1223 static const u16 reg = CPCAP_REG_RXSDOA;
1224 static const u16 mask = BIT(CPCAP_BIT_ST_DAC_SW);
1225 u16 val;
1226
1227 if (mute)
1228 val = 0;
1229 else
1230 val = BIT(CPCAP_BIT_ST_DAC_SW);
1231
1232 dev_dbg(component->dev, "HiFi mute: %d", mute);
1233 return regmap_update_bits(cpcap->regmap, reg, mask, val);
1234 }
1235
1236 static const struct snd_soc_dai_ops cpcap_dai_hifi_ops = {
1237 .hw_params = cpcap_hifi_hw_params,
1238 .set_sysclk = cpcap_hifi_set_dai_sysclk,
1239 .set_fmt = cpcap_hifi_set_dai_fmt,
1240 .digital_mute = cpcap_hifi_set_mute,
1241 };
1242
1243 static int cpcap_voice_hw_params(struct snd_pcm_substream *substream,
1244 struct snd_pcm_hw_params *params,
1245 struct snd_soc_dai *dai)
1246 {
1247 struct snd_soc_component *component = dai->component;
1248 struct device *dev = component->dev;
1249 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1250 static const u16 reg_cdi = CPCAP_REG_CDI;
1251 int rate = params_rate(params);
1252 int channels = params_channels(params);
1253 int direction = substream->stream;
1254 u16 val, mask;
1255 int err;
1256
1257 dev_dbg(dev, "Voice setup HW params: rate=%d, direction=%d, chan=%d",
1258 rate, direction, channels);
1259
1260 err = cpcap_set_samprate(cpcap, CPCAP_DAI_VOICE, rate);
1261 if (err)
1262 return err;
1263
1264 if (direction == SNDRV_PCM_STREAM_CAPTURE) {
1265 mask = 0x0000;
1266 mask |= CPCAP_BIT_MIC1_RX_TIMESLOT0;
1267 mask |= CPCAP_BIT_MIC1_RX_TIMESLOT1;
1268 mask |= CPCAP_BIT_MIC1_RX_TIMESLOT2;
1269 mask |= CPCAP_BIT_MIC2_TIMESLOT0;
1270 mask |= CPCAP_BIT_MIC2_TIMESLOT1;
1271 mask |= CPCAP_BIT_MIC2_TIMESLOT2;
1272 val = 0x0000;
1273 if (channels >= 2)
1274 val = BIT(CPCAP_BIT_MIC1_RX_TIMESLOT0);
1275 err = regmap_update_bits(cpcap->regmap, reg_cdi, mask, val);
1276 if (err)
1277 return err;
1278 }
1279
1280 return 0;
1281 }
1282
1283 static int cpcap_voice_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id,
1284 unsigned int freq, int dir)
1285 {
1286 struct snd_soc_component *component = codec_dai->component;
1287 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1288
1289 dev_dbg(component->dev, "Voice setup sysclk: clk_id=%u, freq=%u",
1290 clk_id, freq);
1291 return cpcap_set_sysclk(cpcap, CPCAP_DAI_VOICE, clk_id, freq);
1292 }
1293
1294 static int cpcap_voice_set_dai_fmt(struct snd_soc_dai *codec_dai,
1295 unsigned int fmt)
1296 {
1297 struct snd_soc_component *component = codec_dai->component;
1298 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1299 static const u16 mask = BIT(CPCAP_BIT_SMB_CDC) |
1300 BIT(CPCAP_BIT_CLK_INV) |
1301 BIT(CPCAP_BIT_FS_INV) |
1302 BIT(CPCAP_BIT_CDC_DIG_AUD_FS0) |
1303 BIT(CPCAP_BIT_CDC_DIG_AUD_FS1);
1304 u16 val = 0x0000;
1305 int err;
1306
1307 dev_dbg(component->dev, "Voice setup dai format (%08x)", fmt);
1308
1309 /*
1310 * "Voice Playback" and "Voice Capture" should always be
1311 * configured as SND_SOC_DAIFMT_CBM_CFM - codec clk & frm
1312 * master
1313 */
1314 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1315 case SND_SOC_DAIFMT_CBM_CFM:
1316 val &= ~BIT(CPCAP_BIT_SMB_CDC);
1317 break;
1318 default:
1319 dev_err(component->dev, "Voice dai fmt failed: CPCAP should be the master");
1320 val &= ~BIT(CPCAP_BIT_SMB_CDC);
1321 break;
1322 }
1323
1324 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1325 case SND_SOC_DAIFMT_IB_IF:
1326 val |= BIT(CPCAP_BIT_CLK_INV);
1327 val |= BIT(CPCAP_BIT_FS_INV);
1328 break;
1329 case SND_SOC_DAIFMT_IB_NF:
1330 val |= BIT(CPCAP_BIT_CLK_INV);
1331 val &= ~BIT(CPCAP_BIT_FS_INV);
1332 break;
1333 case SND_SOC_DAIFMT_NB_IF:
1334 val &= ~BIT(CPCAP_BIT_CLK_INV);
1335 val |= BIT(CPCAP_BIT_FS_INV);
1336 break;
1337 case SND_SOC_DAIFMT_NB_NF:
1338 val &= ~BIT(CPCAP_BIT_CLK_INV);
1339 val &= ~BIT(CPCAP_BIT_FS_INV);
1340 break;
1341 default:
1342 dev_err(component->dev, "Voice dai fmt failed: unsupported clock invert mode");
1343 break;
1344 }
1345
1346 if (val & BIT(CPCAP_BIT_CLK_INV))
1347 val &= ~BIT(CPCAP_BIT_CLK_INV);
1348 else
1349 val |= BIT(CPCAP_BIT_CLK_INV);
1350
1351 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1352 case SND_SOC_DAIFMT_I2S:
1353 /* 11 - true I2S mode */
1354 val |= BIT(CPCAP_BIT_CDC_DIG_AUD_FS0);
1355 val |= BIT(CPCAP_BIT_CDC_DIG_AUD_FS1);
1356 break;
1357 default:
1358 /* 4 timeslots network mode */
1359 val |= BIT(CPCAP_BIT_CDC_DIG_AUD_FS0);
1360 val &= ~BIT(CPCAP_BIT_CDC_DIG_AUD_FS1);
1361 break;
1362 }
1363
1364 dev_dbg(component->dev, "Voice dai format: val=%04x", val);
1365 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CDI, mask, val);
1366 if (err)
1367 return err;
1368
1369 cpcap->codec_format = val;
1370 return 0;
1371 }
1372
1373 static int cpcap_voice_set_mute(struct snd_soc_dai *dai, int mute)
1374 {
1375 struct snd_soc_component *component = dai->component;
1376 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1377 static const u16 reg = CPCAP_REG_RXCOA;
1378 static const u16 mask = BIT(CPCAP_BIT_CDC_SW);
1379 u16 val;
1380
1381 if (mute)
1382 val = 0;
1383 else
1384 val = BIT(CPCAP_BIT_CDC_SW);
1385
1386 dev_dbg(component->dev, "Voice mute: %d", mute);
1387 return regmap_update_bits(cpcap->regmap, reg, mask, val);
1388 };
1389
1390 static const struct snd_soc_dai_ops cpcap_dai_voice_ops = {
1391 .hw_params = cpcap_voice_hw_params,
1392 .set_sysclk = cpcap_voice_set_dai_sysclk,
1393 .set_fmt = cpcap_voice_set_dai_fmt,
1394 .digital_mute = cpcap_voice_set_mute,
1395 };
1396
1397 static struct snd_soc_dai_driver cpcap_dai[] = {
1398 {
1399 .id = 0,
1400 .name = "cpcap-hifi",
1401 .playback = {
1402 .stream_name = "HiFi Playback",
1403 .channels_min = 2,
1404 .channels_max = 2,
1405 .rates = SNDRV_PCM_RATE_8000_48000,
1406 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FORMAT_S24_LE,
1407 },
1408 .ops = &cpcap_dai_hifi_ops,
1409 },
1410 {
1411 .id = 1,
1412 .name = "cpcap-voice",
1413 .playback = {
1414 .stream_name = "Voice Playback",
1415 .channels_min = 1,
1416 .channels_max = 1,
1417 .rates = SNDRV_PCM_RATE_8000_48000,
1418 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1419 },
1420 .capture = {
1421 .stream_name = "Voice Capture",
1422 .channels_min = 1,
1423 .channels_max = 2,
1424 .rates = SNDRV_PCM_RATE_8000_48000,
1425 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1426 },
1427 .ops = &cpcap_dai_voice_ops,
1428 },
1429 };
1430
1431 static int cpcap_dai_mux(struct cpcap_audio *cpcap, bool swap_dai_configuration)
1432 {
1433 u16 hifi_val, voice_val;
1434 u16 hifi_mask = BIT(CPCAP_BIT_DIG_AUD_IN_ST_DAC);
1435 u16 voice_mask = BIT(CPCAP_BIT_DIG_AUD_IN);
1436 int err;
1437
1438
1439
1440 if (!swap_dai_configuration) {
1441 /* Codec on DAI0, HiFi on DAI1 */
1442 voice_val = 0;
1443 hifi_val = hifi_mask;
1444 } else {
1445 /* Codec on DAI1, HiFi on DAI0 */
1446 voice_val = voice_mask;
1447 hifi_val = 0;
1448 }
1449
1450 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CDI,
1451 voice_mask, voice_val);
1452 if (err)
1453 return err;
1454
1455 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_SDACDI,
1456 hifi_mask, hifi_val);
1457 if (err)
1458 return err;
1459
1460 return 0;
1461 }
1462
1463 static int cpcap_audio_reset(struct snd_soc_component *component,
1464 bool swap_dai_configuration)
1465 {
1466 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1467 int i, err = 0;
1468
1469 dev_dbg(component->dev, "init audio codec");
1470
1471 for (i = 0; i < ARRAY_SIZE(cpcap_default_regs); i++) {
1472 err = regmap_update_bits(cpcap->regmap,
1473 cpcap_default_regs[i].reg,
1474 cpcap_default_regs[i].mask,
1475 cpcap_default_regs[i].val);
1476 if (err)
1477 return err;
1478 }
1479
1480 /* setup default settings */
1481 err = cpcap_dai_mux(cpcap, swap_dai_configuration);
1482 if (err)
1483 return err;
1484
1485 err = cpcap_set_sysclk(cpcap, CPCAP_DAI_HIFI, 0, 26000000);
1486 if (err)
1487 return err;
1488 err = cpcap_set_sysclk(cpcap, CPCAP_DAI_VOICE, 0, 26000000);
1489 if (err)
1490 return err;
1491
1492 err = cpcap_set_samprate(cpcap, CPCAP_DAI_HIFI, 48000);
1493 if (err)
1494 return err;
1495
1496 err = cpcap_set_samprate(cpcap, CPCAP_DAI_VOICE, 48000);
1497 if (err)
1498 return err;
1499
1500 return 0;
1501 }
1502
1503 static int cpcap_soc_probe(struct snd_soc_component *component)
1504 {
1505 struct cpcap_audio *cpcap;
1506 int err;
1507
1508 cpcap = devm_kzalloc(component->dev, sizeof(*cpcap), GFP_KERNEL);
1509 if (!cpcap)
1510 return -ENOMEM;
1511 snd_soc_component_set_drvdata(component, cpcap);
1512 cpcap->component = component;
1513
1514 cpcap->regmap = dev_get_regmap(component->dev->parent, NULL);
1515 if (!cpcap->regmap)
1516 return -ENODEV;
1517 snd_soc_component_init_regmap(component, cpcap->regmap);
1518
1519 err = cpcap_get_vendor(component->dev, cpcap->regmap, &cpcap->vendor);
1520 if (err)
1521 return err;
1522
1523 return cpcap_audio_reset(component, false);
1524 }
1525
1526 static struct snd_soc_component_driver soc_codec_dev_cpcap = {
1527 .probe = cpcap_soc_probe,
1528 .controls = cpcap_snd_controls,
1529 .num_controls = ARRAY_SIZE(cpcap_snd_controls),
1530 .dapm_widgets = cpcap_dapm_widgets,
1531 .num_dapm_widgets = ARRAY_SIZE(cpcap_dapm_widgets),
1532 .dapm_routes = intercon,
1533 .num_dapm_routes = ARRAY_SIZE(intercon),
1534 .idle_bias_on = 1,
1535 .use_pmdown_time = 1,
1536 .endianness = 1,
1537 .non_legacy_dai_naming = 1,
1538 };
1539
1540 static int cpcap_codec_probe(struct platform_device *pdev)
1541 {
1542 struct device_node *codec_node =
1543 of_get_child_by_name(pdev->dev.parent->of_node, "audio-codec");
1544
1545 pdev->dev.of_node = codec_node;
1546
1547 return devm_snd_soc_register_component(&pdev->dev, &soc_codec_dev_cpcap,
1548 cpcap_dai, ARRAY_SIZE(cpcap_dai));
1549 }
1550
1551 static struct platform_driver cpcap_codec_driver = {
1552 .probe = cpcap_codec_probe,
1553 .driver = {
1554 .name = "cpcap-codec",
1555 },
1556 };
1557 module_platform_driver(cpcap_codec_driver);
1558
1559 MODULE_ALIAS("platform:cpcap-codec");
1560 MODULE_DESCRIPTION("ASoC CPCAP codec driver");
1561 MODULE_AUTHOR("Sebastian Reichel");
1562 MODULE_LICENSE("GPL v2");
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