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 512 CPCAP_REG_VAUDIOC --- Audio Regulator and Bias Voltage */
20 #define CPCAP_BIT_AUDIO_LOW_PWR 6
21 #define CPCAP_BIT_AUD_LOWPWR_SPEED 5
22 #define CPCAP_BIT_VAUDIOPRISTBY 4
23 #define CPCAP_BIT_VAUDIO_MODE1 2
24 #define CPCAP_BIT_VAUDIO_MODE0 1
25 #define CPCAP_BIT_V_AUDIO_EN 0
26
27 /* Register 513 CPCAP_REG_CC --- CODEC */
28 #define CPCAP_BIT_CDC_CLK2 15
29 #define CPCAP_BIT_CDC_CLK1 14
30 #define CPCAP_BIT_CDC_CLK0 13
31 #define CPCAP_BIT_CDC_SR3 12
32 #define CPCAP_BIT_CDC_SR2 11
33 #define CPCAP_BIT_CDC_SR1 10
34 #define CPCAP_BIT_CDC_SR0 9
35 #define CPCAP_BIT_CDC_CLOCK_TREE_RESET 8
36 #define CPCAP_BIT_MIC2_CDC_EN 7
37 #define CPCAP_BIT_CDC_EN_RX 6
38 #define CPCAP_BIT_DF_RESET 5
39 #define CPCAP_BIT_MIC1_CDC_EN 4
40 #define CPCAP_BIT_AUDOHPF_1 3
41 #define CPCAP_BIT_AUDOHPF_0 2
42 #define CPCAP_BIT_AUDIHPF_1 1
43 #define CPCAP_BIT_AUDIHPF_0 0
44
45 /* Register 514 CPCAP_REG_CDI --- CODEC Digital Audio Interface */
46 #define CPCAP_BIT_CDC_PLL_SEL 15
47 #define CPCAP_BIT_CLK_IN_SEL 13
48 #define CPCAP_BIT_DIG_AUD_IN 12
49 #define CPCAP_BIT_CDC_CLK_EN 11
50 #define CPCAP_BIT_CDC_DIG_AUD_FS1 10
51 #define CPCAP_BIT_CDC_DIG_AUD_FS0 9
52 #define CPCAP_BIT_MIC2_TIMESLOT2 8
53 #define CPCAP_BIT_MIC2_TIMESLOT1 7
54 #define CPCAP_BIT_MIC2_TIMESLOT0 6
55 #define CPCAP_BIT_MIC1_RX_TIMESLOT2 5
56 #define CPCAP_BIT_MIC1_RX_TIMESLOT1 4
57 #define CPCAP_BIT_MIC1_RX_TIMESLOT0 3
58 #define CPCAP_BIT_FS_INV 2
59 #define CPCAP_BIT_CLK_INV 1
60 #define CPCAP_BIT_SMB_CDC 0
61
62 /* Register 515 CPCAP_REG_SDAC --- Stereo DAC */
63 #define CPCAP_BIT_FSYNC_CLK_IN_COMMON 11
64 #define CPCAP_BIT_SLAVE_PLL_CLK_INPUT 10
65 #define CPCAP_BIT_ST_CLOCK_TREE_RESET 9
66 #define CPCAP_BIT_DF_RESET_ST_DAC 8
67 #define CPCAP_BIT_ST_SR3 7
68 #define CPCAP_BIT_ST_SR2 6
69 #define CPCAP_BIT_ST_SR1 5
70 #define CPCAP_BIT_ST_SR0 4
71 #define CPCAP_BIT_ST_DAC_CLK2 3
72 #define CPCAP_BIT_ST_DAC_CLK1 2
73 #define CPCAP_BIT_ST_DAC_CLK0 1
74 #define CPCAP_BIT_ST_DAC_EN 0
75
76 /* Register 516 CPCAP_REG_SDACDI --- Stereo DAC Digital Audio Interface */
77 #define CPCAP_BIT_ST_L_TIMESLOT2 13
78 #define CPCAP_BIT_ST_L_TIMESLOT1 12
79 #define CPCAP_BIT_ST_L_TIMESLOT0 11
80 #define CPCAP_BIT_ST_R_TIMESLOT2 10
81 #define CPCAP_BIT_ST_R_TIMESLOT1 9
82 #define CPCAP_BIT_ST_R_TIMESLOT0 8
83 #define CPCAP_BIT_ST_DAC_CLK_IN_SEL 7
84 #define CPCAP_BIT_ST_FS_INV 6
85 #define CPCAP_BIT_ST_CLK_INV 5
86 #define CPCAP_BIT_ST_DIG_AUD_FS1 4
87 #define CPCAP_BIT_ST_DIG_AUD_FS0 3
88 #define CPCAP_BIT_DIG_AUD_IN_ST_DAC 2
89 #define CPCAP_BIT_ST_CLK_EN 1
90 #define CPCAP_BIT_SMB_ST_DAC 0
91
92 /* Register 517 CPCAP_REG_TXI --- TX Interface */
93 #define CPCAP_BIT_PTT_TH 15
94 #define CPCAP_BIT_PTT_CMP_EN 14
95 #define CPCAP_BIT_HS_ID_TX 13
96 #define CPCAP_BIT_MB_ON2 12
97 #define CPCAP_BIT_MB_ON1L 11
98 #define CPCAP_BIT_MB_ON1R 10
99 #define CPCAP_BIT_RX_L_ENCODE 9
100 #define CPCAP_BIT_RX_R_ENCODE 8
101 #define CPCAP_BIT_MIC2_MUX 7
102 #define CPCAP_BIT_MIC2_PGA_EN 6
103 #define CPCAP_BIT_CDET_DIS 5
104 #define CPCAP_BIT_EMU_MIC_MUX 4
105 #define CPCAP_BIT_HS_MIC_MUX 3
106 #define CPCAP_BIT_MIC1_MUX 2
107 #define CPCAP_BIT_MIC1_PGA_EN 1
108 #define CPCAP_BIT_DLM 0
109
110 /* Register 518 CPCAP_REG_TXMP --- Mic Gain */
111 #define CPCAP_BIT_MB_BIAS_R1 11
112 #define CPCAP_BIT_MB_BIAS_R0 10
113 #define CPCAP_BIT_MIC2_GAIN_4 9
114 #define CPCAP_BIT_MIC2_GAIN_3 8
115 #define CPCAP_BIT_MIC2_GAIN_2 7
116 #define CPCAP_BIT_MIC2_GAIN_1 6
117 #define CPCAP_BIT_MIC2_GAIN_0 5
118 #define CPCAP_BIT_MIC1_GAIN_4 4
119 #define CPCAP_BIT_MIC1_GAIN_3 3
120 #define CPCAP_BIT_MIC1_GAIN_2 2
121 #define CPCAP_BIT_MIC1_GAIN_1 1
122 #define CPCAP_BIT_MIC1_GAIN_0 0
123
124 /* Register 519 CPCAP_REG_RXOA --- RX Output Amplifier */
125 #define CPCAP_BIT_UNUSED_519_15 15
126 #define CPCAP_BIT_UNUSED_519_14 14
127 #define CPCAP_BIT_UNUSED_519_13 13
128 #define CPCAP_BIT_STDAC_LOW_PWR_DISABLE 12
129 #define CPCAP_BIT_HS_LOW_PWR 11
130 #define CPCAP_BIT_HS_ID_RX 10
131 #define CPCAP_BIT_ST_HS_CP_EN 9
132 #define CPCAP_BIT_EMU_SPKR_R_EN 8
133 #define CPCAP_BIT_EMU_SPKR_L_EN 7
134 #define CPCAP_BIT_HS_L_EN 6
135 #define CPCAP_BIT_HS_R_EN 5
136 #define CPCAP_BIT_A4_LINEOUT_L_EN 4
137 #define CPCAP_BIT_A4_LINEOUT_R_EN 3
138 #define CPCAP_BIT_A2_LDSP_L_EN 2
139 #define CPCAP_BIT_A2_LDSP_R_EN 1
140 #define CPCAP_BIT_A1_EAR_EN 0
141
142 /* Register 520 CPCAP_REG_RXVC --- RX Volume Control */
143 #define CPCAP_BIT_VOL_EXT3 15
144 #define CPCAP_BIT_VOL_EXT2 14
145 #define CPCAP_BIT_VOL_EXT1 13
146 #define CPCAP_BIT_VOL_EXT0 12
147 #define CPCAP_BIT_VOL_DAC3 11
148 #define CPCAP_BIT_VOL_DAC2 10
149 #define CPCAP_BIT_VOL_DAC1 9
150 #define CPCAP_BIT_VOL_DAC0 8
151 #define CPCAP_BIT_VOL_DAC_LSB_1dB1 7
152 #define CPCAP_BIT_VOL_DAC_LSB_1dB0 6
153 #define CPCAP_BIT_VOL_CDC3 5
154 #define CPCAP_BIT_VOL_CDC2 4
155 #define CPCAP_BIT_VOL_CDC1 3
156 #define CPCAP_BIT_VOL_CDC0 2
157 #define CPCAP_BIT_VOL_CDC_LSB_1dB1 1
158 #define CPCAP_BIT_VOL_CDC_LSB_1dB0 0
159
160 /* Register 521 CPCAP_REG_RXCOA --- Codec to Output Amp Switches */
161 #define CPCAP_BIT_PGA_CDC_EN 10
162 #define CPCAP_BIT_CDC_SW 9
163 #define CPCAP_BIT_PGA_OUTR_USBDP_CDC_SW 8
164 #define CPCAP_BIT_PGA_OUTL_USBDN_CDC_SW 7
165 #define CPCAP_BIT_ALEFT_HS_CDC_SW 6
166 #define CPCAP_BIT_ARIGHT_HS_CDC_SW 5
167 #define CPCAP_BIT_A4_LINEOUT_L_CDC_SW 4
168 #define CPCAP_BIT_A4_LINEOUT_R_CDC_SW 3
169 #define CPCAP_BIT_A2_LDSP_L_CDC_SW 2
170 #define CPCAP_BIT_A2_LDSP_R_CDC_SW 1
171 #define CPCAP_BIT_A1_EAR_CDC_SW 0
172
173 /* Register 522 CPCAP_REG_RXSDOA --- RX Stereo DAC to Output Amp Switches */
174 #define CPCAP_BIT_PGA_DAC_EN 12
175 #define CPCAP_BIT_ST_DAC_SW 11
176 #define CPCAP_BIT_MONO_DAC1 10
177 #define CPCAP_BIT_MONO_DAC0 9
178 #define CPCAP_BIT_PGA_OUTR_USBDP_DAC_SW 8
179 #define CPCAP_BIT_PGA_OUTL_USBDN_DAC_SW 7
180 #define CPCAP_BIT_ALEFT_HS_DAC_SW 6
181 #define CPCAP_BIT_ARIGHT_HS_DAC_SW 5
182 #define CPCAP_BIT_A4_LINEOUT_L_DAC_SW 4
183 #define CPCAP_BIT_A4_LINEOUT_R_DAC_SW 3
184 #define CPCAP_BIT_A2_LDSP_L_DAC_SW 2
185 #define CPCAP_BIT_A2_LDSP_R_DAC_SW 1
186 #define CPCAP_BIT_A1_EAR_DAC_SW 0
187
188 /* Register 523 CPCAP_REG_RXEPOA --- RX External PGA to Output Amp Switches */
189 #define CPCAP_BIT_PGA_EXT_L_EN 14
190 #define CPCAP_BIT_PGA_EXT_R_EN 13
191 #define CPCAP_BIT_PGA_IN_L_SW 12
192 #define CPCAP_BIT_PGA_IN_R_SW 11
193 #define CPCAP_BIT_MONO_EXT1 10
194 #define CPCAP_BIT_MONO_EXT0 9
195 #define CPCAP_BIT_PGA_OUTR_USBDP_EXT_SW 8
196 #define CPCAP_BIT_PGA_OUTL_USBDN_EXT_SW 7
197 #define CPCAP_BIT_ALEFT_HS_EXT_SW 6
198 #define CPCAP_BIT_ARIGHT_HS_EXT_SW 5
199 #define CPCAP_BIT_A4_LINEOUT_L_EXT_SW 4
200 #define CPCAP_BIT_A4_LINEOUT_R_EXT_SW 3
201 #define CPCAP_BIT_A2_LDSP_L_EXT_SW 2
202 #define CPCAP_BIT_A2_LDSP_R_EXT_SW 1
203 #define CPCAP_BIT_A1_EAR_EXT_SW 0
204
205 /* Register 525 CPCAP_REG_A2LA --- SPK Amplifier and Clock Config for Headset */
206 #define CPCAP_BIT_NCP_CLK_SYNC 7
207 #define CPCAP_BIT_A2_CLK_SYNC 6
208 #define CPCAP_BIT_A2_FREE_RUN 5
209 #define CPCAP_BIT_A2_CLK2 4
210 #define CPCAP_BIT_A2_CLK1 3
211 #define CPCAP_BIT_A2_CLK0 2
212 #define CPCAP_BIT_A2_CLK_IN 1
213 #define CPCAP_BIT_A2_CONFIG 0
214
215 #define SLEEP_ACTIVATE_POWER 2
216 #define CLOCK_TREE_RESET_TIME 1
217
218 /* constants for ST delay workaround */
219 #define STM_STDAC_ACTIVATE_RAMP_TIME 1
220 #define STM_STDAC_EN_TEST_PRE 0x090C
221 #define STM_STDAC_EN_TEST_POST 0x0000
222 #define STM_STDAC_EN_ST_TEST1_PRE 0x2400
223 #define STM_STDAC_EN_ST_TEST1_POST 0x0400
224
225 struct cpcap_reg_info {
226 u16 reg;
227 u16 mask;
228 u16 val;
229 };
230
231 static const struct cpcap_reg_info cpcap_default_regs[] = {
232 { CPCAP_REG_VAUDIOC, 0x003F, 0x0000 },
233 { CPCAP_REG_CC, 0xFFFF, 0x0000 },
234 { CPCAP_REG_CC, 0xFFFF, 0x0000 },
235 { CPCAP_REG_CDI, 0xBFFF, 0x0000 },
236 { CPCAP_REG_SDAC, 0x0FFF, 0x0000 },
237 { CPCAP_REG_SDACDI, 0x3FFF, 0x0000 },
238 { CPCAP_REG_TXI, 0x0FDF, 0x0000 },
239 { CPCAP_REG_TXMP, 0x0FFF, 0x0400 },
240 { CPCAP_REG_RXOA, 0x01FF, 0x0000 },
241 { CPCAP_REG_RXVC, 0xFF3C, 0x0000 },
242 { CPCAP_REG_RXCOA, 0x07FF, 0x0000 },
243 { CPCAP_REG_RXSDOA, 0x1FFF, 0x0000 },
244 { CPCAP_REG_RXEPOA, 0x7FFF, 0x0000 },
245 { CPCAP_REG_A2LA, BIT(CPCAP_BIT_A2_FREE_RUN),
246 BIT(CPCAP_BIT_A2_FREE_RUN) },
247 };
248
249 enum cpcap_dai {
250 CPCAP_DAI_HIFI,
251 CPCAP_DAI_VOICE,
252 };
253
254 struct cpcap_audio {
255 struct snd_soc_component *component;
256 struct regmap *regmap;
257
258 u16 vendor;
259
260 int codec_clk_id;
261 int codec_freq;
262 int codec_format;
263 };
264
cpcap_st_workaround(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)265 static int cpcap_st_workaround(struct snd_soc_dapm_widget *w,
266 struct snd_kcontrol *kcontrol, int event)
267 {
268 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
269 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
270 int err = 0;
271
272 /* Only CPCAP from ST requires workaround */
273 if (cpcap->vendor != CPCAP_VENDOR_ST)
274 return 0;
275
276 switch (event) {
277 case SND_SOC_DAPM_PRE_PMU:
278 err = regmap_write(cpcap->regmap, CPCAP_REG_TEST,
279 STM_STDAC_EN_TEST_PRE);
280 if (err)
281 return err;
282 err = regmap_write(cpcap->regmap, CPCAP_REG_ST_TEST1,
283 STM_STDAC_EN_ST_TEST1_PRE);
284 break;
285 case SND_SOC_DAPM_POST_PMU:
286 msleep(STM_STDAC_ACTIVATE_RAMP_TIME);
287
288 err = regmap_write(cpcap->regmap, CPCAP_REG_ST_TEST1,
289 STM_STDAC_EN_ST_TEST1_POST);
290 if (err)
291 return err;
292 err = regmap_write(cpcap->regmap, CPCAP_REG_TEST,
293 STM_STDAC_EN_TEST_POST);
294 break;
295 default:
296 break;
297 }
298
299 return err;
300 }
301
302 /* Capture Gain Control: 0dB to 31dB in 1dB steps */
303 static const DECLARE_TLV_DB_SCALE(mic_gain_tlv, 0, 100, 0);
304
305 /* Playback Gain Control: -33dB to 12dB in 3dB steps */
306 static const DECLARE_TLV_DB_SCALE(vol_tlv, -3300, 300, 0);
307
308 static const struct snd_kcontrol_new cpcap_snd_controls[] = {
309 /* Playback Gain */
310 SOC_SINGLE_TLV("HiFi Playback Volume",
311 CPCAP_REG_RXVC, CPCAP_BIT_VOL_DAC0, 0xF, 0, vol_tlv),
312 SOC_SINGLE_TLV("Voice Playback Volume",
313 CPCAP_REG_RXVC, CPCAP_BIT_VOL_CDC0, 0xF, 0, vol_tlv),
314 SOC_SINGLE_TLV("Ext Playback Volume",
315 CPCAP_REG_RXVC, CPCAP_BIT_VOL_EXT0, 0xF, 0, vol_tlv),
316
317 /* Capture Gain */
318 SOC_SINGLE_TLV("Mic1 Capture Volume",
319 CPCAP_REG_TXMP, CPCAP_BIT_MIC1_GAIN_0, 0x1F, 0, mic_gain_tlv),
320 SOC_SINGLE_TLV("Mic2 Capture Volume",
321 CPCAP_REG_TXMP, CPCAP_BIT_MIC2_GAIN_0, 0x1F, 0, mic_gain_tlv),
322
323 /* Phase Invert */
324 SOC_SINGLE("Hifi Left Phase Invert Switch",
325 CPCAP_REG_RXSDOA, CPCAP_BIT_MONO_DAC0, 1, 0),
326 SOC_SINGLE("Ext Left Phase Invert Switch",
327 CPCAP_REG_RXEPOA, CPCAP_BIT_MONO_EXT0, 1, 0),
328 };
329
330 static const char * const cpcap_out_mux_texts[] = {
331 "Off", "Voice", "HiFi", "Ext"
332 };
333
334 static const char * const cpcap_in_right_mux_texts[] = {
335 "Off", "Mic 1", "Headset Mic", "EMU Mic", "Ext Right"
336 };
337
338 static const char * const cpcap_in_left_mux_texts[] = {
339 "Off", "Mic 2", "Ext Left"
340 };
341
342 /*
343 * input muxes use unusual register layout, so that we need to use custom
344 * getter/setter methods
345 */
346 static SOC_ENUM_SINGLE_EXT_DECL(cpcap_input_left_mux_enum,
347 cpcap_in_left_mux_texts);
348 static SOC_ENUM_SINGLE_EXT_DECL(cpcap_input_right_mux_enum,
349 cpcap_in_right_mux_texts);
350
351 /*
352 * mux uses same bit in CPCAP_REG_RXCOA, CPCAP_REG_RXSDOA & CPCAP_REG_RXEPOA;
353 * even though the register layout makes it look like a mixer, this is a mux.
354 * Enabling multiple inputs will result in no audio being forwarded.
355 */
356 static SOC_ENUM_SINGLE_DECL(cpcap_earpiece_mux_enum, 0, 0, cpcap_out_mux_texts);
357 static SOC_ENUM_SINGLE_DECL(cpcap_spkr_r_mux_enum, 0, 1, cpcap_out_mux_texts);
358 static SOC_ENUM_SINGLE_DECL(cpcap_spkr_l_mux_enum, 0, 2, cpcap_out_mux_texts);
359 static SOC_ENUM_SINGLE_DECL(cpcap_line_r_mux_enum, 0, 3, cpcap_out_mux_texts);
360 static SOC_ENUM_SINGLE_DECL(cpcap_line_l_mux_enum, 0, 4, cpcap_out_mux_texts);
361 static SOC_ENUM_SINGLE_DECL(cpcap_hs_r_mux_enum, 0, 5, cpcap_out_mux_texts);
362 static SOC_ENUM_SINGLE_DECL(cpcap_hs_l_mux_enum, 0, 6, cpcap_out_mux_texts);
363 static SOC_ENUM_SINGLE_DECL(cpcap_emu_l_mux_enum, 0, 7, cpcap_out_mux_texts);
364 static SOC_ENUM_SINGLE_DECL(cpcap_emu_r_mux_enum, 0, 8, cpcap_out_mux_texts);
365
cpcap_output_mux_get_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)366 static int cpcap_output_mux_get_enum(struct snd_kcontrol *kcontrol,
367 struct snd_ctl_elem_value *ucontrol)
368 {
369 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
370 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
371 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
372 unsigned int shift = e->shift_l;
373 int reg_voice, reg_hifi, reg_ext, status;
374 int err;
375
376 err = regmap_read(cpcap->regmap, CPCAP_REG_RXCOA, ®_voice);
377 if (err)
378 return err;
379 err = regmap_read(cpcap->regmap, CPCAP_REG_RXSDOA, ®_hifi);
380 if (err)
381 return err;
382 err = regmap_read(cpcap->regmap, CPCAP_REG_RXEPOA, ®_ext);
383 if (err)
384 return err;
385
386 reg_voice = (reg_voice >> shift) & 1;
387 reg_hifi = (reg_hifi >> shift) & 1;
388 reg_ext = (reg_ext >> shift) & 1;
389 status = reg_ext << 2 | reg_hifi << 1 | reg_voice;
390
391 switch (status) {
392 case 0x04:
393 ucontrol->value.enumerated.item[0] = 3;
394 break;
395 case 0x02:
396 ucontrol->value.enumerated.item[0] = 2;
397 break;
398 case 0x01:
399 ucontrol->value.enumerated.item[0] = 1;
400 break;
401 default:
402 ucontrol->value.enumerated.item[0] = 0;
403 break;
404 }
405
406 return 0;
407 }
408
cpcap_output_mux_put_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)409 static int cpcap_output_mux_put_enum(struct snd_kcontrol *kcontrol,
410 struct snd_ctl_elem_value *ucontrol)
411 {
412 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
413 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
414 struct snd_soc_dapm_context *dapm =
415 snd_soc_dapm_kcontrol_dapm(kcontrol);
416 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
417 unsigned int muxval = ucontrol->value.enumerated.item[0];
418 unsigned int mask = BIT(e->shift_l);
419 u16 reg_voice = 0x00, reg_hifi = 0x00, reg_ext = 0x00;
420 int err;
421
422 switch (muxval) {
423 case 1:
424 reg_voice = mask;
425 break;
426 case 2:
427 reg_hifi = mask;
428 break;
429 case 3:
430 reg_ext = mask;
431 break;
432 default:
433 break;
434 }
435
436 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_RXCOA,
437 mask, reg_voice);
438 if (err)
439 return err;
440 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_RXSDOA,
441 mask, reg_hifi);
442 if (err)
443 return err;
444 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_RXEPOA,
445 mask, reg_ext);
446 if (err)
447 return err;
448
449 snd_soc_dapm_mux_update_power(dapm, kcontrol, muxval, e, NULL);
450
451 return 0;
452 }
453
cpcap_input_right_mux_get_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)454 static int cpcap_input_right_mux_get_enum(struct snd_kcontrol *kcontrol,
455 struct snd_ctl_elem_value *ucontrol)
456 {
457 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
458 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
459 int regval, mask;
460 int err;
461
462 err = regmap_read(cpcap->regmap, CPCAP_REG_TXI, ®val);
463 if (err)
464 return err;
465
466 mask = 0;
467 mask |= BIT(CPCAP_BIT_MIC1_MUX);
468 mask |= BIT(CPCAP_BIT_HS_MIC_MUX);
469 mask |= BIT(CPCAP_BIT_EMU_MIC_MUX);
470 mask |= BIT(CPCAP_BIT_RX_R_ENCODE);
471
472 switch (regval & mask) {
473 case BIT(CPCAP_BIT_RX_R_ENCODE):
474 ucontrol->value.enumerated.item[0] = 4;
475 break;
476 case BIT(CPCAP_BIT_EMU_MIC_MUX):
477 ucontrol->value.enumerated.item[0] = 3;
478 break;
479 case BIT(CPCAP_BIT_HS_MIC_MUX):
480 ucontrol->value.enumerated.item[0] = 2;
481 break;
482 case BIT(CPCAP_BIT_MIC1_MUX):
483 ucontrol->value.enumerated.item[0] = 1;
484 break;
485 default:
486 ucontrol->value.enumerated.item[0] = 0;
487 break;
488 }
489
490 return 0;
491 }
492
cpcap_input_right_mux_put_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)493 static int cpcap_input_right_mux_put_enum(struct snd_kcontrol *kcontrol,
494 struct snd_ctl_elem_value *ucontrol)
495 {
496 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
497 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
498 struct snd_soc_dapm_context *dapm =
499 snd_soc_dapm_kcontrol_dapm(kcontrol);
500 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
501 unsigned int muxval = ucontrol->value.enumerated.item[0];
502 int regval = 0, mask;
503 int err;
504
505 mask = 0;
506 mask |= BIT(CPCAP_BIT_MIC1_MUX);
507 mask |= BIT(CPCAP_BIT_HS_MIC_MUX);
508 mask |= BIT(CPCAP_BIT_EMU_MIC_MUX);
509 mask |= BIT(CPCAP_BIT_RX_R_ENCODE);
510
511 switch (muxval) {
512 case 1:
513 regval = BIT(CPCAP_BIT_MIC1_MUX);
514 break;
515 case 2:
516 regval = BIT(CPCAP_BIT_HS_MIC_MUX);
517 break;
518 case 3:
519 regval = BIT(CPCAP_BIT_EMU_MIC_MUX);
520 break;
521 case 4:
522 regval = BIT(CPCAP_BIT_RX_R_ENCODE);
523 break;
524 default:
525 break;
526 }
527
528 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_TXI,
529 mask, regval);
530 if (err)
531 return err;
532
533 snd_soc_dapm_mux_update_power(dapm, kcontrol, muxval, e, NULL);
534
535 return 0;
536 }
537
cpcap_input_left_mux_get_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)538 static int cpcap_input_left_mux_get_enum(struct snd_kcontrol *kcontrol,
539 struct snd_ctl_elem_value *ucontrol)
540 {
541 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
542 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
543 int regval, mask;
544 int err;
545
546 err = regmap_read(cpcap->regmap, CPCAP_REG_TXI, ®val);
547 if (err)
548 return err;
549
550 mask = 0;
551 mask |= BIT(CPCAP_BIT_MIC2_MUX);
552 mask |= BIT(CPCAP_BIT_RX_L_ENCODE);
553
554 switch (regval & mask) {
555 case BIT(CPCAP_BIT_RX_L_ENCODE):
556 ucontrol->value.enumerated.item[0] = 2;
557 break;
558 case BIT(CPCAP_BIT_MIC2_MUX):
559 ucontrol->value.enumerated.item[0] = 1;
560 break;
561 default:
562 ucontrol->value.enumerated.item[0] = 0;
563 break;
564 }
565
566 return 0;
567 }
568
cpcap_input_left_mux_put_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)569 static int cpcap_input_left_mux_put_enum(struct snd_kcontrol *kcontrol,
570 struct snd_ctl_elem_value *ucontrol)
571 {
572 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
573 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
574 struct snd_soc_dapm_context *dapm =
575 snd_soc_dapm_kcontrol_dapm(kcontrol);
576 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
577 unsigned int muxval = ucontrol->value.enumerated.item[0];
578 int regval = 0, mask;
579 int err;
580
581 mask = 0;
582 mask |= BIT(CPCAP_BIT_MIC2_MUX);
583 mask |= BIT(CPCAP_BIT_RX_L_ENCODE);
584
585 switch (muxval) {
586 case 1:
587 regval = BIT(CPCAP_BIT_MIC2_MUX);
588 break;
589 case 2:
590 regval = BIT(CPCAP_BIT_RX_L_ENCODE);
591 break;
592 default:
593 break;
594 }
595
596 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_TXI,
597 mask, regval);
598 if (err)
599 return err;
600
601 snd_soc_dapm_mux_update_power(dapm, kcontrol, muxval, e, NULL);
602
603 return 0;
604 }
605
606 static const struct snd_kcontrol_new cpcap_input_left_mux =
607 SOC_DAPM_ENUM_EXT("Input Left", cpcap_input_left_mux_enum,
608 cpcap_input_left_mux_get_enum,
609 cpcap_input_left_mux_put_enum);
610 static const struct snd_kcontrol_new cpcap_input_right_mux =
611 SOC_DAPM_ENUM_EXT("Input Right", cpcap_input_right_mux_enum,
612 cpcap_input_right_mux_get_enum,
613 cpcap_input_right_mux_put_enum);
614 static const struct snd_kcontrol_new cpcap_emu_left_mux =
615 SOC_DAPM_ENUM_EXT("EMU Left", cpcap_emu_l_mux_enum,
616 cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
617 static const struct snd_kcontrol_new cpcap_emu_right_mux =
618 SOC_DAPM_ENUM_EXT("EMU Right", cpcap_emu_r_mux_enum,
619 cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
620 static const struct snd_kcontrol_new cpcap_hs_left_mux =
621 SOC_DAPM_ENUM_EXT("Headset Left", cpcap_hs_l_mux_enum,
622 cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
623 static const struct snd_kcontrol_new cpcap_hs_right_mux =
624 SOC_DAPM_ENUM_EXT("Headset Right", cpcap_hs_r_mux_enum,
625 cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
626 static const struct snd_kcontrol_new cpcap_line_left_mux =
627 SOC_DAPM_ENUM_EXT("Line Left", cpcap_line_l_mux_enum,
628 cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
629 static const struct snd_kcontrol_new cpcap_line_right_mux =
630 SOC_DAPM_ENUM_EXT("Line Right", cpcap_line_r_mux_enum,
631 cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
632 static const struct snd_kcontrol_new cpcap_speaker_left_mux =
633 SOC_DAPM_ENUM_EXT("Speaker Left", cpcap_spkr_l_mux_enum,
634 cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
635 static const struct snd_kcontrol_new cpcap_speaker_right_mux =
636 SOC_DAPM_ENUM_EXT("Speaker Right", cpcap_spkr_r_mux_enum,
637 cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
638 static const struct snd_kcontrol_new cpcap_earpiece_mux =
639 SOC_DAPM_ENUM_EXT("Earpiece", cpcap_earpiece_mux_enum,
640 cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
641
642 static const struct snd_kcontrol_new cpcap_hifi_mono_mixer_controls[] = {
643 SOC_DAPM_SINGLE("HiFi Mono Playback Switch",
644 CPCAP_REG_RXSDOA, CPCAP_BIT_MONO_DAC1, 1, 0),
645 };
646 static const struct snd_kcontrol_new cpcap_ext_mono_mixer_controls[] = {
647 SOC_DAPM_SINGLE("Ext Mono Playback Switch",
648 CPCAP_REG_RXEPOA, CPCAP_BIT_MONO_EXT0, 1, 0),
649 };
650
651 static const struct snd_kcontrol_new cpcap_extr_mute_control =
652 SOC_DAPM_SINGLE("Switch",
653 CPCAP_REG_RXEPOA, CPCAP_BIT_PGA_IN_R_SW, 1, 0);
654 static const struct snd_kcontrol_new cpcap_extl_mute_control =
655 SOC_DAPM_SINGLE("Switch",
656 CPCAP_REG_RXEPOA, CPCAP_BIT_PGA_IN_L_SW, 1, 0);
657
658 static const struct snd_kcontrol_new cpcap_voice_loopback =
659 SOC_DAPM_SINGLE("Switch",
660 CPCAP_REG_TXI, CPCAP_BIT_DLM, 1, 0);
661
662 static const struct snd_soc_dapm_widget cpcap_dapm_widgets[] = {
663 /* DAIs */
664 SND_SOC_DAPM_AIF_IN("HiFi RX", NULL, 0, SND_SOC_NOPM, 0, 0),
665 SND_SOC_DAPM_AIF_IN("Voice RX", NULL, 0, SND_SOC_NOPM, 0, 0),
666 SND_SOC_DAPM_AIF_OUT("Voice TX", NULL, 0, SND_SOC_NOPM, 0, 0),
667
668 /* Power Supply */
669 SND_SOC_DAPM_REGULATOR_SUPPLY("VAUDIO", SLEEP_ACTIVATE_POWER, 0),
670
671 /* Highpass Filters */
672 SND_SOC_DAPM_REG(snd_soc_dapm_pga, "Highpass Filter RX",
673 CPCAP_REG_CC, CPCAP_BIT_AUDIHPF_0, 0x3, 0x3, 0x0),
674 SND_SOC_DAPM_REG(snd_soc_dapm_pga, "Highpass Filter TX",
675 CPCAP_REG_CC, CPCAP_BIT_AUDOHPF_0, 0x3, 0x3, 0x0),
676
677 /* Clocks */
678 SND_SOC_DAPM_SUPPLY("HiFi DAI Clock",
679 CPCAP_REG_SDACDI, CPCAP_BIT_ST_CLK_EN, 0, NULL, 0),
680 SND_SOC_DAPM_SUPPLY("Voice DAI Clock",
681 CPCAP_REG_CDI, CPCAP_BIT_CDC_CLK_EN, 0, NULL, 0),
682
683 /* Microphone Bias */
684 SND_SOC_DAPM_SUPPLY("MIC1R Bias",
685 CPCAP_REG_TXI, CPCAP_BIT_MB_ON1R, 0, NULL, 0),
686 SND_SOC_DAPM_SUPPLY("MIC1L Bias",
687 CPCAP_REG_TXI, CPCAP_BIT_MB_ON1L, 0, NULL, 0),
688 SND_SOC_DAPM_SUPPLY("MIC2 Bias",
689 CPCAP_REG_TXI, CPCAP_BIT_MB_ON2, 0, NULL, 0),
690
691 /* Inputs */
692 SND_SOC_DAPM_INPUT("MICR"),
693 SND_SOC_DAPM_INPUT("HSMIC"),
694 SND_SOC_DAPM_INPUT("EMUMIC"),
695 SND_SOC_DAPM_INPUT("MICL"),
696 SND_SOC_DAPM_INPUT("EXTR"),
697 SND_SOC_DAPM_INPUT("EXTL"),
698
699 /* Capture Route */
700 SND_SOC_DAPM_MUX("Right Capture Route",
701 SND_SOC_NOPM, 0, 0, &cpcap_input_right_mux),
702 SND_SOC_DAPM_MUX("Left Capture Route",
703 SND_SOC_NOPM, 0, 0, &cpcap_input_left_mux),
704
705 /* Capture PGAs */
706 SND_SOC_DAPM_PGA("Microphone 1 PGA",
707 CPCAP_REG_TXI, CPCAP_BIT_MIC1_PGA_EN, 0, NULL, 0),
708 SND_SOC_DAPM_PGA("Microphone 2 PGA",
709 CPCAP_REG_TXI, CPCAP_BIT_MIC2_PGA_EN, 0, NULL, 0),
710
711 /* ADC */
712 SND_SOC_DAPM_ADC("ADC Right", NULL,
713 CPCAP_REG_CC, CPCAP_BIT_MIC1_CDC_EN, 0),
714 SND_SOC_DAPM_ADC("ADC Left", NULL,
715 CPCAP_REG_CC, CPCAP_BIT_MIC2_CDC_EN, 0),
716
717 /* DAC */
718 SND_SOC_DAPM_DAC_E("DAC HiFi", NULL,
719 CPCAP_REG_SDAC, CPCAP_BIT_ST_DAC_EN, 0,
720 cpcap_st_workaround,
721 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
722 SND_SOC_DAPM_DAC_E("DAC Voice", NULL,
723 CPCAP_REG_CC, CPCAP_BIT_CDC_EN_RX, 0,
724 cpcap_st_workaround,
725 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
726
727 /* Playback PGA */
728 SND_SOC_DAPM_PGA("HiFi PGA",
729 CPCAP_REG_RXSDOA, CPCAP_BIT_PGA_DAC_EN, 0, NULL, 0),
730 SND_SOC_DAPM_PGA("Voice PGA",
731 CPCAP_REG_RXCOA, CPCAP_BIT_PGA_CDC_EN, 0, NULL, 0),
732 SND_SOC_DAPM_PGA_E("Ext Right PGA",
733 CPCAP_REG_RXEPOA, CPCAP_BIT_PGA_EXT_R_EN, 0,
734 NULL, 0,
735 cpcap_st_workaround,
736 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
737 SND_SOC_DAPM_PGA_E("Ext Left PGA",
738 CPCAP_REG_RXEPOA, CPCAP_BIT_PGA_EXT_L_EN, 0,
739 NULL, 0,
740 cpcap_st_workaround,
741 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
742
743 /* Playback Switch */
744 SND_SOC_DAPM_SWITCH("Ext Right Enable", SND_SOC_NOPM, 0, 0,
745 &cpcap_extr_mute_control),
746 SND_SOC_DAPM_SWITCH("Ext Left Enable", SND_SOC_NOPM, 0, 0,
747 &cpcap_extl_mute_control),
748
749 /* Loopback Switch */
750 SND_SOC_DAPM_SWITCH("Voice Loopback", SND_SOC_NOPM, 0, 0,
751 &cpcap_voice_loopback),
752
753 /* Mono Mixer */
754 SOC_MIXER_ARRAY("HiFi Mono Left Mixer", SND_SOC_NOPM, 0, 0,
755 cpcap_hifi_mono_mixer_controls),
756 SOC_MIXER_ARRAY("HiFi Mono Right Mixer", SND_SOC_NOPM, 0, 0,
757 cpcap_hifi_mono_mixer_controls),
758 SOC_MIXER_ARRAY("Ext Mono Left Mixer", SND_SOC_NOPM, 0, 0,
759 cpcap_ext_mono_mixer_controls),
760 SOC_MIXER_ARRAY("Ext Mono Right Mixer", SND_SOC_NOPM, 0, 0,
761 cpcap_ext_mono_mixer_controls),
762
763 /* Output Routes */
764 SND_SOC_DAPM_MUX("Earpiece Playback Route", SND_SOC_NOPM, 0, 0,
765 &cpcap_earpiece_mux),
766 SND_SOC_DAPM_MUX("Speaker Right Playback Route", SND_SOC_NOPM, 0, 0,
767 &cpcap_speaker_right_mux),
768 SND_SOC_DAPM_MUX("Speaker Left Playback Route", SND_SOC_NOPM, 0, 0,
769 &cpcap_speaker_left_mux),
770 SND_SOC_DAPM_MUX("Lineout Right Playback Route", SND_SOC_NOPM, 0, 0,
771 &cpcap_line_right_mux),
772 SND_SOC_DAPM_MUX("Lineout Left Playback Route", SND_SOC_NOPM, 0, 0,
773 &cpcap_line_left_mux),
774 SND_SOC_DAPM_MUX("Headset Right Playback Route", SND_SOC_NOPM, 0, 0,
775 &cpcap_hs_right_mux),
776 SND_SOC_DAPM_MUX("Headset Left Playback Route", SND_SOC_NOPM, 0, 0,
777 &cpcap_hs_left_mux),
778 SND_SOC_DAPM_MUX("EMU Right Playback Route", SND_SOC_NOPM, 0, 0,
779 &cpcap_emu_right_mux),
780 SND_SOC_DAPM_MUX("EMU Left Playback Route", SND_SOC_NOPM, 0, 0,
781 &cpcap_emu_left_mux),
782
783 /* Output Amplifier */
784 SND_SOC_DAPM_PGA("Earpiece PGA",
785 CPCAP_REG_RXOA, CPCAP_BIT_A1_EAR_EN, 0, NULL, 0),
786 SND_SOC_DAPM_PGA("Speaker Right PGA",
787 CPCAP_REG_RXOA, CPCAP_BIT_A2_LDSP_R_EN, 0, NULL, 0),
788 SND_SOC_DAPM_PGA("Speaker Left PGA",
789 CPCAP_REG_RXOA, CPCAP_BIT_A2_LDSP_L_EN, 0, NULL, 0),
790 SND_SOC_DAPM_PGA("Lineout Right PGA",
791 CPCAP_REG_RXOA, CPCAP_BIT_A4_LINEOUT_R_EN, 0, NULL, 0),
792 SND_SOC_DAPM_PGA("Lineout Left PGA",
793 CPCAP_REG_RXOA, CPCAP_BIT_A4_LINEOUT_L_EN, 0, NULL, 0),
794 SND_SOC_DAPM_PGA("Headset Right PGA",
795 CPCAP_REG_RXOA, CPCAP_BIT_HS_R_EN, 0, NULL, 0),
796 SND_SOC_DAPM_PGA("Headset Left PGA",
797 CPCAP_REG_RXOA, CPCAP_BIT_HS_L_EN, 0, NULL, 0),
798 SND_SOC_DAPM_PGA("EMU Right PGA",
799 CPCAP_REG_RXOA, CPCAP_BIT_EMU_SPKR_R_EN, 0, NULL, 0),
800 SND_SOC_DAPM_PGA("EMU Left PGA",
801 CPCAP_REG_RXOA, CPCAP_BIT_EMU_SPKR_L_EN, 0, NULL, 0),
802
803 /* Headet Charge Pump */
804 SND_SOC_DAPM_SUPPLY("Headset Charge Pump",
805 CPCAP_REG_RXOA, CPCAP_BIT_ST_HS_CP_EN, 0, NULL, 0),
806
807 /* Outputs */
808 SND_SOC_DAPM_OUTPUT("EP"),
809 SND_SOC_DAPM_OUTPUT("SPKR"),
810 SND_SOC_DAPM_OUTPUT("SPKL"),
811 SND_SOC_DAPM_OUTPUT("LINER"),
812 SND_SOC_DAPM_OUTPUT("LINEL"),
813 SND_SOC_DAPM_OUTPUT("HSR"),
814 SND_SOC_DAPM_OUTPUT("HSL"),
815 SND_SOC_DAPM_OUTPUT("EMUR"),
816 SND_SOC_DAPM_OUTPUT("EMUL"),
817 };
818
819 static const struct snd_soc_dapm_route intercon[] = {
820 /* Power Supply */
821 {"HiFi PGA", NULL, "VAUDIO"},
822 {"Voice PGA", NULL, "VAUDIO"},
823 {"Ext Right PGA", NULL, "VAUDIO"},
824 {"Ext Left PGA", NULL, "VAUDIO"},
825 {"Microphone 1 PGA", NULL, "VAUDIO"},
826 {"Microphone 2 PGA", NULL, "VAUDIO"},
827
828 /* Stream -> AIF */
829 {"HiFi RX", NULL, "HiFi Playback"},
830 {"Voice RX", NULL, "Voice Playback"},
831 {"Voice Capture", NULL, "Voice TX"},
832
833 /* AIF clocks */
834 {"HiFi RX", NULL, "HiFi DAI Clock"},
835 {"Voice RX", NULL, "Voice DAI Clock"},
836 {"Voice TX", NULL, "Voice DAI Clock"},
837
838 /* Digital Loopback */
839 {"Voice Loopback", "Switch", "Voice TX"},
840 {"Voice RX", NULL, "Voice Loopback"},
841
842 /* Highpass Filters */
843 {"Highpass Filter RX", NULL, "Voice RX"},
844 {"Voice TX", NULL, "Highpass Filter TX"},
845
846 /* AIF -> DAC mapping */
847 {"DAC HiFi", NULL, "HiFi RX"},
848 {"DAC Voice", NULL, "Highpass Filter RX"},
849
850 /* DAC -> PGA */
851 {"HiFi PGA", NULL, "DAC HiFi"},
852 {"Voice PGA", NULL, "DAC Voice"},
853
854 /* Ext Input -> PGA */
855 {"Ext Right PGA", NULL, "EXTR"},
856 {"Ext Left PGA", NULL, "EXTL"},
857
858 /* Ext PGA -> Ext Playback Switch */
859 {"Ext Right Enable", "Switch", "Ext Right PGA"},
860 {"Ext Left Enable", "Switch", "Ext Left PGA"},
861
862 /* HiFi PGA -> Mono Mixer */
863 {"HiFi Mono Left Mixer", NULL, "HiFi PGA"},
864 {"HiFi Mono Left Mixer", "HiFi Mono Playback Switch", "HiFi PGA"},
865 {"HiFi Mono Right Mixer", NULL, "HiFi PGA"},
866 {"HiFi Mono Right Mixer", "HiFi Mono Playback Switch", "HiFi PGA"},
867
868 /* Ext Playback Switch -> Ext Mono Mixer */
869 {"Ext Mono Right Mixer", NULL, "Ext Right Enable"},
870 {"Ext Mono Right Mixer", "Ext Mono Playback Switch", "Ext Left Enable"},
871 {"Ext Mono Left Mixer", NULL, "Ext Left Enable"},
872 {"Ext Mono Left Mixer", "Ext Mono Playback Switch", "Ext Right Enable"},
873
874 /* HiFi Mono Mixer -> Output Route */
875 {"Earpiece Playback Route", "HiFi", "HiFi Mono Right Mixer"},
876 {"Speaker Right Playback Route", "HiFi", "HiFi Mono Right Mixer"},
877 {"Speaker Left Playback Route", "HiFi", "HiFi Mono Left Mixer"},
878 {"Lineout Right Playback Route", "HiFi", "HiFi Mono Right Mixer"},
879 {"Lineout Left Playback Route", "HiFi", "HiFi Mono Left Mixer"},
880 {"Headset Right Playback Route", "HiFi", "HiFi Mono Right Mixer"},
881 {"Headset Left Playback Route", "HiFi", "HiFi Mono Left Mixer"},
882 {"EMU Right Playback Route", "HiFi", "HiFi Mono Right Mixer"},
883 {"EMU Left Playback Route", "HiFi", "HiFi Mono Left Mixer"},
884
885 /* Voice PGA -> Output Route */
886 {"Earpiece Playback Route", "Voice", "Voice PGA"},
887 {"Speaker Right Playback Route", "Voice", "Voice PGA"},
888 {"Speaker Left Playback Route", "Voice", "Voice PGA"},
889 {"Lineout Right Playback Route", "Voice", "Voice PGA"},
890 {"Lineout Left Playback Route", "Voice", "Voice PGA"},
891 {"Headset Right Playback Route", "Voice", "Voice PGA"},
892 {"Headset Left Playback Route", "Voice", "Voice PGA"},
893 {"EMU Right Playback Route", "Voice", "Voice PGA"},
894 {"EMU Left Playback Route", "Voice", "Voice PGA"},
895
896 /* Ext Mono Mixer -> Output Route */
897 {"Earpiece Playback Route", "Ext", "Ext Mono Right Mixer"},
898 {"Speaker Right Playback Route", "Ext", "Ext Mono Right Mixer"},
899 {"Speaker Left Playback Route", "Ext", "Ext Mono Left Mixer"},
900 {"Lineout Right Playback Route", "Ext", "Ext Mono Right Mixer"},
901 {"Lineout Left Playback Route", "Ext", "Ext Mono Left Mixer"},
902 {"Headset Right Playback Route", "Ext", "Ext Mono Right Mixer"},
903 {"Headset Left Playback Route", "Ext", "Ext Mono Left Mixer"},
904 {"EMU Right Playback Route", "Ext", "Ext Mono Right Mixer"},
905 {"EMU Left Playback Route", "Ext", "Ext Mono Left Mixer"},
906
907 /* Output Route -> Output Amplifier */
908 {"Earpiece PGA", NULL, "Earpiece Playback Route"},
909 {"Speaker Right PGA", NULL, "Speaker Right Playback Route"},
910 {"Speaker Left PGA", NULL, "Speaker Left Playback Route"},
911 {"Lineout Right PGA", NULL, "Lineout Right Playback Route"},
912 {"Lineout Left PGA", NULL, "Lineout Left Playback Route"},
913 {"Headset Right PGA", NULL, "Headset Right Playback Route"},
914 {"Headset Left PGA", NULL, "Headset Left Playback Route"},
915 {"EMU Right PGA", NULL, "EMU Right Playback Route"},
916 {"EMU Left PGA", NULL, "EMU Left Playback Route"},
917
918 /* Output Amplifier -> Output */
919 {"EP", NULL, "Earpiece PGA"},
920 {"SPKR", NULL, "Speaker Right PGA"},
921 {"SPKL", NULL, "Speaker Left PGA"},
922 {"LINER", NULL, "Lineout Right PGA"},
923 {"LINEL", NULL, "Lineout Left PGA"},
924 {"HSR", NULL, "Headset Right PGA"},
925 {"HSL", NULL, "Headset Left PGA"},
926 {"EMUR", NULL, "EMU Right PGA"},
927 {"EMUL", NULL, "EMU Left PGA"},
928
929 /* Headset Charge Pump -> Headset */
930 {"HSR", NULL, "Headset Charge Pump"},
931 {"HSL", NULL, "Headset Charge Pump"},
932
933 /* Mic -> Mic Route */
934 {"Right Capture Route", "Mic 1", "MICR"},
935 {"Right Capture Route", "Headset Mic", "HSMIC"},
936 {"Right Capture Route", "EMU Mic", "EMUMIC"},
937 {"Right Capture Route", "Ext Right", "EXTR"},
938 {"Left Capture Route", "Mic 2", "MICL"},
939 {"Left Capture Route", "Ext Left", "EXTL"},
940
941 /* Input Route -> Microphone PGA */
942 {"Microphone 1 PGA", NULL, "Right Capture Route"},
943 {"Microphone 2 PGA", NULL, "Left Capture Route"},
944
945 /* Microphone PGA -> ADC */
946 {"ADC Right", NULL, "Microphone 1 PGA"},
947 {"ADC Left", NULL, "Microphone 2 PGA"},
948
949 /* ADC -> Stream */
950 {"Highpass Filter TX", NULL, "ADC Right"},
951 {"Highpass Filter TX", NULL, "ADC Left"},
952
953 /* Mic Bias */
954 {"MICL", NULL, "MIC1L Bias"},
955 {"MICR", NULL, "MIC1R Bias"},
956 };
957
cpcap_set_sysclk(struct cpcap_audio * cpcap,enum cpcap_dai dai,int clk_id,int freq)958 static int cpcap_set_sysclk(struct cpcap_audio *cpcap, enum cpcap_dai dai,
959 int clk_id, int freq)
960 {
961 u16 clkfreqreg, clkfreqshift;
962 u16 clkfreqmask, clkfreqval;
963 u16 clkidreg, clkidshift;
964 u16 mask, val;
965 int err;
966
967 switch (dai) {
968 case CPCAP_DAI_HIFI:
969 clkfreqreg = CPCAP_REG_SDAC;
970 clkfreqshift = CPCAP_BIT_ST_DAC_CLK0;
971 clkidreg = CPCAP_REG_SDACDI;
972 clkidshift = CPCAP_BIT_ST_DAC_CLK_IN_SEL;
973 break;
974 case CPCAP_DAI_VOICE:
975 clkfreqreg = CPCAP_REG_CC;
976 clkfreqshift = CPCAP_BIT_CDC_CLK0;
977 clkidreg = CPCAP_REG_CDI;
978 clkidshift = CPCAP_BIT_CLK_IN_SEL;
979 break;
980 default:
981 dev_err(cpcap->component->dev, "invalid DAI: %d", dai);
982 return -EINVAL;
983 }
984
985 /* setup clk id */
986 if (clk_id < 0 || clk_id > 1) {
987 dev_err(cpcap->component->dev, "invalid clk id %d", clk_id);
988 return -EINVAL;
989 }
990 err = regmap_update_bits(cpcap->regmap, clkidreg, BIT(clkidshift),
991 clk_id ? BIT(clkidshift) : 0);
992 if (err)
993 return err;
994
995 /* enable PLL for Voice DAI */
996 if (dai == CPCAP_DAI_VOICE) {
997 mask = BIT(CPCAP_BIT_CDC_PLL_SEL);
998 val = BIT(CPCAP_BIT_CDC_PLL_SEL);
999 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CDI,
1000 mask, val);
1001 if (err)
1002 return err;
1003 }
1004
1005 /* setup frequency */
1006 clkfreqmask = 0x7 << clkfreqshift;
1007 switch (freq) {
1008 case 15360000:
1009 clkfreqval = 0x01 << clkfreqshift;
1010 break;
1011 case 16800000:
1012 clkfreqval = 0x02 << clkfreqshift;
1013 break;
1014 case 19200000:
1015 clkfreqval = 0x03 << clkfreqshift;
1016 break;
1017 case 26000000:
1018 clkfreqval = 0x04 << clkfreqshift;
1019 break;
1020 case 33600000:
1021 clkfreqval = 0x05 << clkfreqshift;
1022 break;
1023 case 38400000:
1024 clkfreqval = 0x06 << clkfreqshift;
1025 break;
1026 default:
1027 dev_err(cpcap->component->dev, "unsupported freq %u", freq);
1028 return -EINVAL;
1029 }
1030
1031 err = regmap_update_bits(cpcap->regmap, clkfreqreg,
1032 clkfreqmask, clkfreqval);
1033 if (err)
1034 return err;
1035
1036 if (dai == CPCAP_DAI_VOICE) {
1037 cpcap->codec_clk_id = clk_id;
1038 cpcap->codec_freq = freq;
1039 }
1040
1041 return 0;
1042 }
1043
cpcap_set_samprate(struct cpcap_audio * cpcap,enum cpcap_dai dai,int samplerate)1044 static int cpcap_set_samprate(struct cpcap_audio *cpcap, enum cpcap_dai dai,
1045 int samplerate)
1046 {
1047 struct snd_soc_component *component = cpcap->component;
1048 u16 sampreg, sampmask, sampshift, sampval, sampreset;
1049 int err, sampreadval;
1050
1051 switch (dai) {
1052 case CPCAP_DAI_HIFI:
1053 sampreg = CPCAP_REG_SDAC;
1054 sampshift = CPCAP_BIT_ST_SR0;
1055 sampreset = BIT(CPCAP_BIT_DF_RESET_ST_DAC) |
1056 BIT(CPCAP_BIT_ST_CLOCK_TREE_RESET);
1057 break;
1058 case CPCAP_DAI_VOICE:
1059 sampreg = CPCAP_REG_CC;
1060 sampshift = CPCAP_BIT_CDC_SR0;
1061 sampreset = BIT(CPCAP_BIT_DF_RESET) |
1062 BIT(CPCAP_BIT_CDC_CLOCK_TREE_RESET);
1063 break;
1064 default:
1065 dev_err(component->dev, "invalid DAI: %d", dai);
1066 return -EINVAL;
1067 }
1068
1069 sampmask = 0xF << sampshift | sampreset;
1070 switch (samplerate) {
1071 case 48000:
1072 sampval = 0x8 << sampshift;
1073 break;
1074 case 44100:
1075 sampval = 0x7 << sampshift;
1076 break;
1077 case 32000:
1078 sampval = 0x6 << sampshift;
1079 break;
1080 case 24000:
1081 sampval = 0x5 << sampshift;
1082 break;
1083 case 22050:
1084 sampval = 0x4 << sampshift;
1085 break;
1086 case 16000:
1087 sampval = 0x3 << sampshift;
1088 break;
1089 case 12000:
1090 sampval = 0x2 << sampshift;
1091 break;
1092 case 11025:
1093 sampval = 0x1 << sampshift;
1094 break;
1095 case 8000:
1096 sampval = 0x0 << sampshift;
1097 break;
1098 default:
1099 dev_err(component->dev, "unsupported samplerate %d", samplerate);
1100 return -EINVAL;
1101 }
1102 err = regmap_update_bits(cpcap->regmap, sampreg,
1103 sampmask, sampval | sampreset);
1104 if (err)
1105 return err;
1106
1107 /* Wait for clock tree reset to complete */
1108 mdelay(CLOCK_TREE_RESET_TIME);
1109
1110 err = regmap_read(cpcap->regmap, sampreg, &sampreadval);
1111 if (err)
1112 return err;
1113
1114 if (sampreadval & sampreset) {
1115 dev_err(component->dev, "reset self-clear failed: %04x",
1116 sampreadval);
1117 return -EIO;
1118 }
1119
1120 return 0;
1121 }
1122
cpcap_hifi_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)1123 static int cpcap_hifi_hw_params(struct snd_pcm_substream *substream,
1124 struct snd_pcm_hw_params *params,
1125 struct snd_soc_dai *dai)
1126 {
1127 struct snd_soc_component *component = dai->component;
1128 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1129 int rate = params_rate(params);
1130
1131 dev_dbg(component->dev, "HiFi setup HW params: rate=%d", rate);
1132 return cpcap_set_samprate(cpcap, CPCAP_DAI_HIFI, rate);
1133 }
1134
cpcap_hifi_set_dai_sysclk(struct snd_soc_dai * codec_dai,int clk_id,unsigned int freq,int dir)1135 static int cpcap_hifi_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id,
1136 unsigned int freq, int dir)
1137 {
1138 struct snd_soc_component *component = codec_dai->component;
1139 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1140 struct device *dev = component->dev;
1141
1142 dev_dbg(dev, "HiFi setup sysclk: clk_id=%u, freq=%u", clk_id, freq);
1143 return cpcap_set_sysclk(cpcap, CPCAP_DAI_HIFI, clk_id, freq);
1144 }
1145
cpcap_hifi_set_dai_fmt(struct snd_soc_dai * codec_dai,unsigned int fmt)1146 static int cpcap_hifi_set_dai_fmt(struct snd_soc_dai *codec_dai,
1147 unsigned int fmt)
1148 {
1149 struct snd_soc_component *component = codec_dai->component;
1150 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1151 struct device *dev = component->dev;
1152 static const u16 reg = CPCAP_REG_SDACDI;
1153 static const u16 mask =
1154 BIT(CPCAP_BIT_SMB_ST_DAC) |
1155 BIT(CPCAP_BIT_ST_CLK_INV) |
1156 BIT(CPCAP_BIT_ST_FS_INV) |
1157 BIT(CPCAP_BIT_ST_DIG_AUD_FS0) |
1158 BIT(CPCAP_BIT_ST_DIG_AUD_FS1) |
1159 BIT(CPCAP_BIT_ST_L_TIMESLOT0) |
1160 BIT(CPCAP_BIT_ST_L_TIMESLOT1) |
1161 BIT(CPCAP_BIT_ST_L_TIMESLOT2) |
1162 BIT(CPCAP_BIT_ST_R_TIMESLOT0) |
1163 BIT(CPCAP_BIT_ST_R_TIMESLOT1) |
1164 BIT(CPCAP_BIT_ST_R_TIMESLOT2);
1165 u16 val = 0x0000;
1166
1167 dev_dbg(dev, "HiFi setup dai format (%08x)", fmt);
1168
1169 /*
1170 * "HiFi Playback" should always be configured as
1171 * SND_SOC_DAIFMT_CBP_CFP - codec clk & frm provider
1172 * SND_SOC_DAIFMT_I2S - I2S mode
1173 */
1174 switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
1175 case SND_SOC_DAIFMT_CBP_CFP:
1176 val &= ~BIT(CPCAP_BIT_SMB_ST_DAC);
1177 break;
1178 default:
1179 dev_err(dev, "HiFi dai fmt failed: CPCAP should be provider");
1180 return -EINVAL;
1181 }
1182
1183 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1184 case SND_SOC_DAIFMT_IB_IF:
1185 val |= BIT(CPCAP_BIT_ST_FS_INV);
1186 val |= BIT(CPCAP_BIT_ST_CLK_INV);
1187 break;
1188 case SND_SOC_DAIFMT_IB_NF:
1189 val &= ~BIT(CPCAP_BIT_ST_FS_INV);
1190 val |= BIT(CPCAP_BIT_ST_CLK_INV);
1191 break;
1192 case SND_SOC_DAIFMT_NB_IF:
1193 val |= BIT(CPCAP_BIT_ST_FS_INV);
1194 val &= ~BIT(CPCAP_BIT_ST_CLK_INV);
1195 break;
1196 case SND_SOC_DAIFMT_NB_NF:
1197 val &= ~BIT(CPCAP_BIT_ST_FS_INV);
1198 val &= ~BIT(CPCAP_BIT_ST_CLK_INV);
1199 break;
1200 default:
1201 dev_err(dev, "HiFi dai fmt failed: unsupported clock invert mode");
1202 return -EINVAL;
1203 }
1204
1205 if (val & BIT(CPCAP_BIT_ST_CLK_INV))
1206 val &= ~BIT(CPCAP_BIT_ST_CLK_INV);
1207 else
1208 val |= BIT(CPCAP_BIT_ST_CLK_INV);
1209
1210 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1211 case SND_SOC_DAIFMT_I2S:
1212 val |= BIT(CPCAP_BIT_ST_DIG_AUD_FS0);
1213 val |= BIT(CPCAP_BIT_ST_DIG_AUD_FS1);
1214 break;
1215 default:
1216 /* 01 - 4 slots network mode */
1217 val |= BIT(CPCAP_BIT_ST_DIG_AUD_FS0);
1218 val &= ~BIT(CPCAP_BIT_ST_DIG_AUD_FS1);
1219 /* L on slot 1 */
1220 val |= BIT(CPCAP_BIT_ST_L_TIMESLOT0);
1221 break;
1222 }
1223
1224 dev_dbg(dev, "HiFi dai format: val=%04x", val);
1225 return regmap_update_bits(cpcap->regmap, reg, mask, val);
1226 }
1227
cpcap_hifi_set_mute(struct snd_soc_dai * dai,int mute,int direction)1228 static int cpcap_hifi_set_mute(struct snd_soc_dai *dai, int mute, int direction)
1229 {
1230 struct snd_soc_component *component = dai->component;
1231 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1232 static const u16 reg = CPCAP_REG_RXSDOA;
1233 static const u16 mask = BIT(CPCAP_BIT_ST_DAC_SW);
1234 u16 val;
1235
1236 if (mute)
1237 val = 0;
1238 else
1239 val = BIT(CPCAP_BIT_ST_DAC_SW);
1240
1241 dev_dbg(component->dev, "HiFi mute: %d", mute);
1242 return regmap_update_bits(cpcap->regmap, reg, mask, val);
1243 }
1244
1245 static const struct snd_soc_dai_ops cpcap_dai_hifi_ops = {
1246 .hw_params = cpcap_hifi_hw_params,
1247 .set_sysclk = cpcap_hifi_set_dai_sysclk,
1248 .set_fmt = cpcap_hifi_set_dai_fmt,
1249 .mute_stream = cpcap_hifi_set_mute,
1250 .no_capture_mute = 1,
1251 };
1252
cpcap_voice_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)1253 static int cpcap_voice_hw_params(struct snd_pcm_substream *substream,
1254 struct snd_pcm_hw_params *params,
1255 struct snd_soc_dai *dai)
1256 {
1257 struct snd_soc_component *component = dai->component;
1258 struct device *dev = component->dev;
1259 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1260 static const u16 reg_cdi = CPCAP_REG_CDI;
1261 int rate = params_rate(params);
1262 int channels = params_channels(params);
1263 int direction = substream->stream;
1264 u16 val, mask;
1265 int err;
1266
1267 dev_dbg(dev, "Voice setup HW params: rate=%d, direction=%d, chan=%d",
1268 rate, direction, channels);
1269
1270 err = cpcap_set_samprate(cpcap, CPCAP_DAI_VOICE, rate);
1271 if (err)
1272 return err;
1273
1274 if (direction == SNDRV_PCM_STREAM_CAPTURE) {
1275 mask = 0x0000;
1276 mask |= BIT(CPCAP_BIT_MIC1_RX_TIMESLOT0);
1277 mask |= BIT(CPCAP_BIT_MIC1_RX_TIMESLOT1);
1278 mask |= BIT(CPCAP_BIT_MIC1_RX_TIMESLOT2);
1279 mask |= BIT(CPCAP_BIT_MIC2_TIMESLOT0);
1280 mask |= BIT(CPCAP_BIT_MIC2_TIMESLOT1);
1281 mask |= BIT(CPCAP_BIT_MIC2_TIMESLOT2);
1282 val = 0x0000;
1283 if (channels >= 2)
1284 val = BIT(CPCAP_BIT_MIC1_RX_TIMESLOT0);
1285 err = regmap_update_bits(cpcap->regmap, reg_cdi, mask, val);
1286 if (err)
1287 return err;
1288 }
1289
1290 return 0;
1291 }
1292
cpcap_voice_set_dai_sysclk(struct snd_soc_dai * codec_dai,int clk_id,unsigned int freq,int dir)1293 static int cpcap_voice_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id,
1294 unsigned int freq, int dir)
1295 {
1296 struct snd_soc_component *component = codec_dai->component;
1297 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1298
1299 dev_dbg(component->dev, "Voice setup sysclk: clk_id=%u, freq=%u",
1300 clk_id, freq);
1301 return cpcap_set_sysclk(cpcap, CPCAP_DAI_VOICE, clk_id, freq);
1302 }
1303
cpcap_voice_set_dai_fmt(struct snd_soc_dai * codec_dai,unsigned int fmt)1304 static int cpcap_voice_set_dai_fmt(struct snd_soc_dai *codec_dai,
1305 unsigned int fmt)
1306 {
1307 struct snd_soc_component *component = codec_dai->component;
1308 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1309 static const u16 mask = BIT(CPCAP_BIT_SMB_CDC) |
1310 BIT(CPCAP_BIT_CLK_INV) |
1311 BIT(CPCAP_BIT_FS_INV) |
1312 BIT(CPCAP_BIT_CDC_DIG_AUD_FS0) |
1313 BIT(CPCAP_BIT_CDC_DIG_AUD_FS1);
1314 u16 val = 0x0000;
1315 int err;
1316
1317 dev_dbg(component->dev, "Voice setup dai format (%08x)", fmt);
1318
1319 /*
1320 * "Voice Playback" and "Voice Capture" should always be
1321 * configured as SND_SOC_DAIFMT_CBP_CFP - codec clk & frm
1322 * provider
1323 */
1324 switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
1325 case SND_SOC_DAIFMT_CBP_CFP:
1326 val &= ~BIT(CPCAP_BIT_SMB_CDC);
1327 break;
1328 default:
1329 dev_err(component->dev, "Voice dai fmt failed: CPCAP should be the provider");
1330 val &= ~BIT(CPCAP_BIT_SMB_CDC);
1331 break;
1332 }
1333
1334 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1335 case SND_SOC_DAIFMT_IB_IF:
1336 val |= BIT(CPCAP_BIT_CLK_INV);
1337 val |= BIT(CPCAP_BIT_FS_INV);
1338 break;
1339 case SND_SOC_DAIFMT_IB_NF:
1340 val |= BIT(CPCAP_BIT_CLK_INV);
1341 val &= ~BIT(CPCAP_BIT_FS_INV);
1342 break;
1343 case SND_SOC_DAIFMT_NB_IF:
1344 val &= ~BIT(CPCAP_BIT_CLK_INV);
1345 val |= BIT(CPCAP_BIT_FS_INV);
1346 break;
1347 case SND_SOC_DAIFMT_NB_NF:
1348 val &= ~BIT(CPCAP_BIT_CLK_INV);
1349 val &= ~BIT(CPCAP_BIT_FS_INV);
1350 break;
1351 default:
1352 dev_err(component->dev, "Voice dai fmt failed: unsupported clock invert mode");
1353 break;
1354 }
1355
1356 if (val & BIT(CPCAP_BIT_CLK_INV))
1357 val &= ~BIT(CPCAP_BIT_CLK_INV);
1358 else
1359 val |= BIT(CPCAP_BIT_CLK_INV);
1360
1361 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1362 case SND_SOC_DAIFMT_I2S:
1363 /* 11 - true I2S mode */
1364 val |= BIT(CPCAP_BIT_CDC_DIG_AUD_FS0);
1365 val |= BIT(CPCAP_BIT_CDC_DIG_AUD_FS1);
1366 break;
1367 default:
1368 /* 4 timeslots network mode */
1369 val |= BIT(CPCAP_BIT_CDC_DIG_AUD_FS0);
1370 val &= ~BIT(CPCAP_BIT_CDC_DIG_AUD_FS1);
1371 break;
1372 }
1373
1374 dev_dbg(component->dev, "Voice dai format: val=%04x", val);
1375 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CDI, mask, val);
1376 if (err)
1377 return err;
1378
1379 cpcap->codec_format = val;
1380 return 0;
1381 }
1382
1383
1384 /*
1385 * Configure codec for voice call if requested.
1386 *
1387 * We can configure most with snd_soc_dai_set_sysclk(), snd_soc_dai_set_fmt()
1388 * and snd_soc_dai_set_tdm_slot(). This function configures the rest of the
1389 * cpcap related hardware as CPU is not involved in the voice call.
1390 */
cpcap_voice_call(struct cpcap_audio * cpcap,struct snd_soc_dai * dai,bool voice_call)1391 static int cpcap_voice_call(struct cpcap_audio *cpcap, struct snd_soc_dai *dai,
1392 bool voice_call)
1393 {
1394 int mask, err;
1395
1396 /* Modem to codec VAUDIO_MODE1 */
1397 mask = BIT(CPCAP_BIT_VAUDIO_MODE1);
1398 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_VAUDIOC,
1399 mask, voice_call ? mask : 0);
1400 if (err)
1401 return err;
1402
1403 /* Clear MIC1_MUX for call */
1404 mask = BIT(CPCAP_BIT_MIC1_MUX);
1405 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_TXI,
1406 mask, voice_call ? 0 : mask);
1407 if (err)
1408 return err;
1409
1410 /* Set MIC2_MUX for call */
1411 mask = BIT(CPCAP_BIT_MB_ON1L) | BIT(CPCAP_BIT_MB_ON1R) |
1412 BIT(CPCAP_BIT_MIC2_MUX) | BIT(CPCAP_BIT_MIC2_PGA_EN);
1413 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_TXI,
1414 mask, voice_call ? mask : 0);
1415 if (err)
1416 return err;
1417
1418 /* Enable LDSP for call */
1419 mask = BIT(CPCAP_BIT_A2_LDSP_L_EN) | BIT(CPCAP_BIT_A2_LDSP_R_EN);
1420 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_RXOA,
1421 mask, voice_call ? mask : 0);
1422 if (err)
1423 return err;
1424
1425 /* Enable CPCAP_BIT_PGA_CDC_EN for call */
1426 mask = BIT(CPCAP_BIT_PGA_CDC_EN);
1427 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_RXCOA,
1428 mask, voice_call ? mask : 0);
1429 if (err)
1430 return err;
1431
1432 /* Unmute voice for call */
1433 if (dai) {
1434 err = snd_soc_dai_digital_mute(dai, !voice_call,
1435 SNDRV_PCM_STREAM_PLAYBACK);
1436 if (err)
1437 return err;
1438 }
1439
1440 /* Set modem to codec mic CDC and HPF for call */
1441 mask = BIT(CPCAP_BIT_MIC2_CDC_EN) | BIT(CPCAP_BIT_CDC_EN_RX) |
1442 BIT(CPCAP_BIT_AUDOHPF_1) | BIT(CPCAP_BIT_AUDOHPF_0) |
1443 BIT(CPCAP_BIT_AUDIHPF_1) | BIT(CPCAP_BIT_AUDIHPF_0);
1444 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CC,
1445 mask, voice_call ? mask : 0);
1446 if (err)
1447 return err;
1448
1449 /* Enable modem to codec CDC for call*/
1450 mask = BIT(CPCAP_BIT_CDC_CLK_EN);
1451 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CDI,
1452 mask, voice_call ? mask : 0);
1453
1454 return err;
1455 }
1456
cpcap_voice_set_tdm_slot(struct snd_soc_dai * dai,unsigned int tx_mask,unsigned int rx_mask,int slots,int slot_width)1457 static int cpcap_voice_set_tdm_slot(struct snd_soc_dai *dai,
1458 unsigned int tx_mask, unsigned int rx_mask,
1459 int slots, int slot_width)
1460 {
1461 struct snd_soc_component *component = dai->component;
1462 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1463 int err, ts_mask, mask;
1464 bool voice_call;
1465
1466 /*
1467 * Primitive test for voice call, probably needs more checks
1468 * later on for 16-bit calls detected, Bluetooth headset etc.
1469 */
1470 if (tx_mask == 0 && rx_mask == 1 && slot_width == 8)
1471 voice_call = true;
1472 else
1473 voice_call = false;
1474
1475 ts_mask = 0x7 << CPCAP_BIT_MIC2_TIMESLOT0;
1476 ts_mask |= 0x7 << CPCAP_BIT_MIC1_RX_TIMESLOT0;
1477
1478 mask = (tx_mask & 0x7) << CPCAP_BIT_MIC2_TIMESLOT0;
1479 mask |= (rx_mask & 0x7) << CPCAP_BIT_MIC1_RX_TIMESLOT0;
1480
1481 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CDI,
1482 ts_mask, mask);
1483 if (err)
1484 return err;
1485
1486 err = cpcap_set_samprate(cpcap, CPCAP_DAI_VOICE, slot_width * 1000);
1487 if (err)
1488 return err;
1489
1490 err = cpcap_voice_call(cpcap, dai, voice_call);
1491 if (err)
1492 return err;
1493
1494 return 0;
1495 }
1496
cpcap_voice_set_mute(struct snd_soc_dai * dai,int mute,int direction)1497 static int cpcap_voice_set_mute(struct snd_soc_dai *dai, int mute, int direction)
1498 {
1499 struct snd_soc_component *component = dai->component;
1500 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1501 static const u16 reg = CPCAP_REG_RXCOA;
1502 static const u16 mask = BIT(CPCAP_BIT_CDC_SW);
1503 u16 val;
1504
1505 if (mute)
1506 val = 0;
1507 else
1508 val = BIT(CPCAP_BIT_CDC_SW);
1509
1510 dev_dbg(component->dev, "Voice mute: %d", mute);
1511 return regmap_update_bits(cpcap->regmap, reg, mask, val);
1512 };
1513
1514 static const struct snd_soc_dai_ops cpcap_dai_voice_ops = {
1515 .hw_params = cpcap_voice_hw_params,
1516 .set_sysclk = cpcap_voice_set_dai_sysclk,
1517 .set_fmt = cpcap_voice_set_dai_fmt,
1518 .set_tdm_slot = cpcap_voice_set_tdm_slot,
1519 .mute_stream = cpcap_voice_set_mute,
1520 .no_capture_mute = 1,
1521 };
1522
1523 static struct snd_soc_dai_driver cpcap_dai[] = {
1524 {
1525 .id = 0,
1526 .name = "cpcap-hifi",
1527 .playback = {
1528 .stream_name = "HiFi Playback",
1529 .channels_min = 2,
1530 .channels_max = 2,
1531 .rates = SNDRV_PCM_RATE_8000_48000,
1532 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FORMAT_S24_LE,
1533 },
1534 .ops = &cpcap_dai_hifi_ops,
1535 },
1536 {
1537 .id = 1,
1538 .name = "cpcap-voice",
1539 .playback = {
1540 .stream_name = "Voice Playback",
1541 .channels_min = 1,
1542 .channels_max = 1,
1543 .rates = SNDRV_PCM_RATE_8000_48000,
1544 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1545 },
1546 .capture = {
1547 .stream_name = "Voice Capture",
1548 .channels_min = 1,
1549 .channels_max = 2,
1550 .rates = SNDRV_PCM_RATE_8000_48000,
1551 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1552 },
1553 .ops = &cpcap_dai_voice_ops,
1554 },
1555 };
1556
cpcap_dai_mux(struct cpcap_audio * cpcap,bool swap_dai_configuration)1557 static int cpcap_dai_mux(struct cpcap_audio *cpcap, bool swap_dai_configuration)
1558 {
1559 u16 hifi_val, voice_val;
1560 u16 hifi_mask = BIT(CPCAP_BIT_DIG_AUD_IN_ST_DAC);
1561 u16 voice_mask = BIT(CPCAP_BIT_DIG_AUD_IN);
1562 int err;
1563
1564
1565
1566 if (!swap_dai_configuration) {
1567 /* Codec on DAI0, HiFi on DAI1 */
1568 voice_val = 0;
1569 hifi_val = hifi_mask;
1570 } else {
1571 /* Codec on DAI1, HiFi on DAI0 */
1572 voice_val = voice_mask;
1573 hifi_val = 0;
1574 }
1575
1576 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CDI,
1577 voice_mask, voice_val);
1578 if (err)
1579 return err;
1580
1581 err = regmap_update_bits(cpcap->regmap, CPCAP_REG_SDACDI,
1582 hifi_mask, hifi_val);
1583 if (err)
1584 return err;
1585
1586 return 0;
1587 }
1588
cpcap_audio_reset(struct snd_soc_component * component,bool swap_dai_configuration)1589 static int cpcap_audio_reset(struct snd_soc_component *component,
1590 bool swap_dai_configuration)
1591 {
1592 struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1593 int i, err = 0;
1594
1595 dev_dbg(component->dev, "init audio codec");
1596
1597 for (i = 0; i < ARRAY_SIZE(cpcap_default_regs); i++) {
1598 err = regmap_update_bits(cpcap->regmap,
1599 cpcap_default_regs[i].reg,
1600 cpcap_default_regs[i].mask,
1601 cpcap_default_regs[i].val);
1602 if (err)
1603 return err;
1604 }
1605
1606 /* setup default settings */
1607 err = cpcap_dai_mux(cpcap, swap_dai_configuration);
1608 if (err)
1609 return err;
1610
1611 err = cpcap_set_sysclk(cpcap, CPCAP_DAI_HIFI, 0, 26000000);
1612 if (err)
1613 return err;
1614 err = cpcap_set_sysclk(cpcap, CPCAP_DAI_VOICE, 0, 26000000);
1615 if (err)
1616 return err;
1617
1618 err = cpcap_set_samprate(cpcap, CPCAP_DAI_HIFI, 48000);
1619 if (err)
1620 return err;
1621
1622 err = cpcap_set_samprate(cpcap, CPCAP_DAI_VOICE, 48000);
1623 if (err)
1624 return err;
1625
1626 return 0;
1627 }
1628
cpcap_soc_probe(struct snd_soc_component * component)1629 static int cpcap_soc_probe(struct snd_soc_component *component)
1630 {
1631 struct cpcap_audio *cpcap;
1632 int err;
1633
1634 cpcap = devm_kzalloc(component->dev, sizeof(*cpcap), GFP_KERNEL);
1635 if (!cpcap)
1636 return -ENOMEM;
1637 snd_soc_component_set_drvdata(component, cpcap);
1638 cpcap->component = component;
1639
1640 cpcap->regmap = dev_get_regmap(component->dev->parent, NULL);
1641 if (!cpcap->regmap)
1642 return -ENODEV;
1643 snd_soc_component_init_regmap(component, cpcap->regmap);
1644
1645 err = cpcap_get_vendor(component->dev, cpcap->regmap, &cpcap->vendor);
1646 if (err)
1647 return err;
1648
1649 return cpcap_audio_reset(component, false);
1650 }
1651
1652 static struct snd_soc_component_driver soc_codec_dev_cpcap = {
1653 .probe = cpcap_soc_probe,
1654 .controls = cpcap_snd_controls,
1655 .num_controls = ARRAY_SIZE(cpcap_snd_controls),
1656 .dapm_widgets = cpcap_dapm_widgets,
1657 .num_dapm_widgets = ARRAY_SIZE(cpcap_dapm_widgets),
1658 .dapm_routes = intercon,
1659 .num_dapm_routes = ARRAY_SIZE(intercon),
1660 .idle_bias_on = 1,
1661 .use_pmdown_time = 1,
1662 .endianness = 1,
1663 };
1664
cpcap_codec_probe(struct platform_device * pdev)1665 static int cpcap_codec_probe(struct platform_device *pdev)
1666 {
1667 struct device_node *codec_node =
1668 of_get_child_by_name(pdev->dev.parent->of_node, "audio-codec");
1669 if (!codec_node)
1670 return -ENODEV;
1671
1672 pdev->dev.of_node = codec_node;
1673
1674 return devm_snd_soc_register_component(&pdev->dev, &soc_codec_dev_cpcap,
1675 cpcap_dai, ARRAY_SIZE(cpcap_dai));
1676 }
1677
1678 static struct platform_driver cpcap_codec_driver = {
1679 .probe = cpcap_codec_probe,
1680 .driver = {
1681 .name = "cpcap-codec",
1682 },
1683 };
1684 module_platform_driver(cpcap_codec_driver);
1685
1686 MODULE_ALIAS("platform:cpcap-codec");
1687 MODULE_DESCRIPTION("ASoC CPCAP codec driver");
1688 MODULE_AUTHOR("Sebastian Reichel");
1689 MODULE_LICENSE("GPL v2");
1690