1 /*
2 * ADAV80X Audio Codec driver supporting ADAV801, ADAV803
3 *
4 * Copyright 2011 Analog Devices Inc.
5 * Author: Yi Li <yi.li@analog.com>
6 * Author: Lars-Peter Clausen <lars@metafoo.de>
7 *
8 * Licensed under the GPL-2 or later.
9 */
10
11 #include <linux/module.h>
12 #include <linux/kernel.h>
13 #include <linux/regmap.h>
14 #include <linux/slab.h>
15
16 #include <sound/pcm.h>
17 #include <sound/pcm_params.h>
18 #include <sound/soc.h>
19 #include <sound/tlv.h>
20
21 #include "adav80x.h"
22
23 #define ADAV80X_PLAYBACK_CTRL 0x04
24 #define ADAV80X_AUX_IN_CTRL 0x05
25 #define ADAV80X_REC_CTRL 0x06
26 #define ADAV80X_AUX_OUT_CTRL 0x07
27 #define ADAV80X_DPATH_CTRL1 0x62
28 #define ADAV80X_DPATH_CTRL2 0x63
29 #define ADAV80X_DAC_CTRL1 0x64
30 #define ADAV80X_DAC_CTRL2 0x65
31 #define ADAV80X_DAC_CTRL3 0x66
32 #define ADAV80X_DAC_L_VOL 0x68
33 #define ADAV80X_DAC_R_VOL 0x69
34 #define ADAV80X_PGA_L_VOL 0x6c
35 #define ADAV80X_PGA_R_VOL 0x6d
36 #define ADAV80X_ADC_CTRL1 0x6e
37 #define ADAV80X_ADC_CTRL2 0x6f
38 #define ADAV80X_ADC_L_VOL 0x70
39 #define ADAV80X_ADC_R_VOL 0x71
40 #define ADAV80X_PLL_CTRL1 0x74
41 #define ADAV80X_PLL_CTRL2 0x75
42 #define ADAV80X_ICLK_CTRL1 0x76
43 #define ADAV80X_ICLK_CTRL2 0x77
44 #define ADAV80X_PLL_CLK_SRC 0x78
45 #define ADAV80X_PLL_OUTE 0x7a
46
47 #define ADAV80X_PLL_CLK_SRC_PLL_XIN(pll) 0x00
48 #define ADAV80X_PLL_CLK_SRC_PLL_MCLKI(pll) (0x40 << (pll))
49 #define ADAV80X_PLL_CLK_SRC_PLL_MASK(pll) (0x40 << (pll))
50
51 #define ADAV80X_ICLK_CTRL1_DAC_SRC(src) ((src) << 5)
52 #define ADAV80X_ICLK_CTRL1_ADC_SRC(src) ((src) << 2)
53 #define ADAV80X_ICLK_CTRL1_ICLK2_SRC(src) (src)
54 #define ADAV80X_ICLK_CTRL2_ICLK1_SRC(src) ((src) << 3)
55
56 #define ADAV80X_PLL_CTRL1_PLLDIV 0x10
57 #define ADAV80X_PLL_CTRL1_PLLPD(pll) (0x04 << (pll))
58 #define ADAV80X_PLL_CTRL1_XTLPD 0x02
59
60 #define ADAV80X_PLL_CTRL2_FIELD(pll, x) ((x) << ((pll) * 4))
61
62 #define ADAV80X_PLL_CTRL2_FS_48(pll) ADAV80X_PLL_CTRL2_FIELD((pll), 0x00)
63 #define ADAV80X_PLL_CTRL2_FS_32(pll) ADAV80X_PLL_CTRL2_FIELD((pll), 0x08)
64 #define ADAV80X_PLL_CTRL2_FS_44(pll) ADAV80X_PLL_CTRL2_FIELD((pll), 0x0c)
65
66 #define ADAV80X_PLL_CTRL2_SEL(pll) ADAV80X_PLL_CTRL2_FIELD((pll), 0x02)
67 #define ADAV80X_PLL_CTRL2_DOUB(pll) ADAV80X_PLL_CTRL2_FIELD((pll), 0x01)
68 #define ADAV80X_PLL_CTRL2_PLL_MASK(pll) ADAV80X_PLL_CTRL2_FIELD((pll), 0x0f)
69
70 #define ADAV80X_ADC_CTRL1_MODULATOR_MASK 0x80
71 #define ADAV80X_ADC_CTRL1_MODULATOR_128FS 0x00
72 #define ADAV80X_ADC_CTRL1_MODULATOR_64FS 0x80
73
74 #define ADAV80X_DAC_CTRL1_PD 0x80
75
76 #define ADAV80X_DAC_CTRL2_DIV1 0x00
77 #define ADAV80X_DAC_CTRL2_DIV1_5 0x10
78 #define ADAV80X_DAC_CTRL2_DIV2 0x20
79 #define ADAV80X_DAC_CTRL2_DIV3 0x30
80 #define ADAV80X_DAC_CTRL2_DIV_MASK 0x30
81
82 #define ADAV80X_DAC_CTRL2_INTERPOL_256FS 0x00
83 #define ADAV80X_DAC_CTRL2_INTERPOL_128FS 0x40
84 #define ADAV80X_DAC_CTRL2_INTERPOL_64FS 0x80
85 #define ADAV80X_DAC_CTRL2_INTERPOL_MASK 0xc0
86
87 #define ADAV80X_DAC_CTRL2_DEEMPH_NONE 0x00
88 #define ADAV80X_DAC_CTRL2_DEEMPH_44 0x01
89 #define ADAV80X_DAC_CTRL2_DEEMPH_32 0x02
90 #define ADAV80X_DAC_CTRL2_DEEMPH_48 0x03
91 #define ADAV80X_DAC_CTRL2_DEEMPH_MASK 0x01
92
93 #define ADAV80X_CAPTURE_MODE_MASTER 0x20
94 #define ADAV80X_CAPTURE_WORD_LEN24 0x00
95 #define ADAV80X_CAPTURE_WORD_LEN20 0x04
96 #define ADAV80X_CAPTRUE_WORD_LEN18 0x08
97 #define ADAV80X_CAPTURE_WORD_LEN16 0x0c
98 #define ADAV80X_CAPTURE_WORD_LEN_MASK 0x0c
99
100 #define ADAV80X_CAPTURE_MODE_LEFT_J 0x00
101 #define ADAV80X_CAPTURE_MODE_I2S 0x01
102 #define ADAV80X_CAPTURE_MODE_RIGHT_J 0x03
103 #define ADAV80X_CAPTURE_MODE_MASK 0x03
104
105 #define ADAV80X_PLAYBACK_MODE_MASTER 0x10
106 #define ADAV80X_PLAYBACK_MODE_LEFT_J 0x00
107 #define ADAV80X_PLAYBACK_MODE_I2S 0x01
108 #define ADAV80X_PLAYBACK_MODE_RIGHT_J_24 0x04
109 #define ADAV80X_PLAYBACK_MODE_RIGHT_J_20 0x05
110 #define ADAV80X_PLAYBACK_MODE_RIGHT_J_18 0x06
111 #define ADAV80X_PLAYBACK_MODE_RIGHT_J_16 0x07
112 #define ADAV80X_PLAYBACK_MODE_MASK 0x07
113
114 #define ADAV80X_PLL_OUTE_SYSCLKPD(x) BIT(2 - (x))
115
116 static const struct reg_default adav80x_reg_defaults[] = {
117 { ADAV80X_PLAYBACK_CTRL, 0x01 },
118 { ADAV80X_AUX_IN_CTRL, 0x01 },
119 { ADAV80X_REC_CTRL, 0x02 },
120 { ADAV80X_AUX_OUT_CTRL, 0x01 },
121 { ADAV80X_DPATH_CTRL1, 0xc0 },
122 { ADAV80X_DPATH_CTRL2, 0x11 },
123 { ADAV80X_DAC_CTRL1, 0x00 },
124 { ADAV80X_DAC_CTRL2, 0x00 },
125 { ADAV80X_DAC_CTRL3, 0x00 },
126 { ADAV80X_DAC_L_VOL, 0xff },
127 { ADAV80X_DAC_R_VOL, 0xff },
128 { ADAV80X_PGA_L_VOL, 0x00 },
129 { ADAV80X_PGA_R_VOL, 0x00 },
130 { ADAV80X_ADC_CTRL1, 0x00 },
131 { ADAV80X_ADC_CTRL2, 0x00 },
132 { ADAV80X_ADC_L_VOL, 0xff },
133 { ADAV80X_ADC_R_VOL, 0xff },
134 { ADAV80X_PLL_CTRL1, 0x00 },
135 { ADAV80X_PLL_CTRL2, 0x00 },
136 { ADAV80X_ICLK_CTRL1, 0x00 },
137 { ADAV80X_ICLK_CTRL2, 0x00 },
138 { ADAV80X_PLL_CLK_SRC, 0x00 },
139 { ADAV80X_PLL_OUTE, 0x00 },
140 };
141
142 struct adav80x {
143 struct regmap *regmap;
144
145 enum adav80x_clk_src clk_src;
146 unsigned int sysclk;
147 enum adav80x_pll_src pll_src;
148
149 unsigned int dai_fmt[2];
150 unsigned int rate;
151 bool deemph;
152 bool sysclk_pd[3];
153 };
154
155 static const char *adav80x_mux_text[] = {
156 "ADC",
157 "Playback",
158 "Aux Playback",
159 };
160
161 static const unsigned int adav80x_mux_values[] = {
162 0, 2, 3,
163 };
164
165 #define ADAV80X_MUX_ENUM_DECL(name, reg, shift) \
166 SOC_VALUE_ENUM_DOUBLE_DECL(name, reg, shift, 7, \
167 ARRAY_SIZE(adav80x_mux_text), adav80x_mux_text, \
168 adav80x_mux_values)
169
170 static ADAV80X_MUX_ENUM_DECL(adav80x_aux_capture_enum, ADAV80X_DPATH_CTRL1, 0);
171 static ADAV80X_MUX_ENUM_DECL(adav80x_capture_enum, ADAV80X_DPATH_CTRL1, 3);
172 static ADAV80X_MUX_ENUM_DECL(adav80x_dac_enum, ADAV80X_DPATH_CTRL2, 3);
173
174 static const struct snd_kcontrol_new adav80x_aux_capture_mux_ctrl =
175 SOC_DAPM_ENUM("Route", adav80x_aux_capture_enum);
176 static const struct snd_kcontrol_new adav80x_capture_mux_ctrl =
177 SOC_DAPM_ENUM("Route", adav80x_capture_enum);
178 static const struct snd_kcontrol_new adav80x_dac_mux_ctrl =
179 SOC_DAPM_ENUM("Route", adav80x_dac_enum);
180
181 #define ADAV80X_MUX(name, ctrl) \
182 SND_SOC_DAPM_MUX(name, SND_SOC_NOPM, 0, 0, ctrl)
183
184 static const struct snd_soc_dapm_widget adav80x_dapm_widgets[] = {
185 SND_SOC_DAPM_DAC("DAC", NULL, ADAV80X_DAC_CTRL1, 7, 1),
186 SND_SOC_DAPM_ADC("ADC", NULL, ADAV80X_ADC_CTRL1, 5, 1),
187
188 SND_SOC_DAPM_PGA("Right PGA", ADAV80X_ADC_CTRL1, 0, 1, NULL, 0),
189 SND_SOC_DAPM_PGA("Left PGA", ADAV80X_ADC_CTRL1, 1, 1, NULL, 0),
190
191 SND_SOC_DAPM_AIF_OUT("AIFOUT", "HiFi Capture", 0, SND_SOC_NOPM, 0, 0),
192 SND_SOC_DAPM_AIF_IN("AIFIN", "HiFi Playback", 0, SND_SOC_NOPM, 0, 0),
193
194 SND_SOC_DAPM_AIF_OUT("AIFAUXOUT", "Aux Capture", 0, SND_SOC_NOPM, 0, 0),
195 SND_SOC_DAPM_AIF_IN("AIFAUXIN", "Aux Playback", 0, SND_SOC_NOPM, 0, 0),
196
197 ADAV80X_MUX("Aux Capture Select", &adav80x_aux_capture_mux_ctrl),
198 ADAV80X_MUX("Capture Select", &adav80x_capture_mux_ctrl),
199 ADAV80X_MUX("DAC Select", &adav80x_dac_mux_ctrl),
200
201 SND_SOC_DAPM_INPUT("VINR"),
202 SND_SOC_DAPM_INPUT("VINL"),
203 SND_SOC_DAPM_OUTPUT("VOUTR"),
204 SND_SOC_DAPM_OUTPUT("VOUTL"),
205
206 SND_SOC_DAPM_SUPPLY("SYSCLK", SND_SOC_NOPM, 0, 0, NULL, 0),
207 SND_SOC_DAPM_SUPPLY("PLL1", ADAV80X_PLL_CTRL1, 2, 1, NULL, 0),
208 SND_SOC_DAPM_SUPPLY("PLL2", ADAV80X_PLL_CTRL1, 3, 1, NULL, 0),
209 SND_SOC_DAPM_SUPPLY("OSC", ADAV80X_PLL_CTRL1, 1, 1, NULL, 0),
210 };
211
adav80x_dapm_sysclk_check(struct snd_soc_dapm_widget * source,struct snd_soc_dapm_widget * sink)212 static int adav80x_dapm_sysclk_check(struct snd_soc_dapm_widget *source,
213 struct snd_soc_dapm_widget *sink)
214 {
215 struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
216 struct adav80x *adav80x = snd_soc_component_get_drvdata(component);
217 const char *clk;
218
219 switch (adav80x->clk_src) {
220 case ADAV80X_CLK_PLL1:
221 clk = "PLL1";
222 break;
223 case ADAV80X_CLK_PLL2:
224 clk = "PLL2";
225 break;
226 case ADAV80X_CLK_XTAL:
227 clk = "OSC";
228 break;
229 default:
230 return 0;
231 }
232
233 return strcmp(source->name, clk) == 0;
234 }
235
adav80x_dapm_pll_check(struct snd_soc_dapm_widget * source,struct snd_soc_dapm_widget * sink)236 static int adav80x_dapm_pll_check(struct snd_soc_dapm_widget *source,
237 struct snd_soc_dapm_widget *sink)
238 {
239 struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
240 struct adav80x *adav80x = snd_soc_component_get_drvdata(component);
241
242 return adav80x->pll_src == ADAV80X_PLL_SRC_XTAL;
243 }
244
245
246 static const struct snd_soc_dapm_route adav80x_dapm_routes[] = {
247 { "DAC Select", "ADC", "ADC" },
248 { "DAC Select", "Playback", "AIFIN" },
249 { "DAC Select", "Aux Playback", "AIFAUXIN" },
250 { "DAC", NULL, "DAC Select" },
251
252 { "Capture Select", "ADC", "ADC" },
253 { "Capture Select", "Playback", "AIFIN" },
254 { "Capture Select", "Aux Playback", "AIFAUXIN" },
255 { "AIFOUT", NULL, "Capture Select" },
256
257 { "Aux Capture Select", "ADC", "ADC" },
258 { "Aux Capture Select", "Playback", "AIFIN" },
259 { "Aux Capture Select", "Aux Playback", "AIFAUXIN" },
260 { "AIFAUXOUT", NULL, "Aux Capture Select" },
261
262 { "VOUTR", NULL, "DAC" },
263 { "VOUTL", NULL, "DAC" },
264
265 { "Left PGA", NULL, "VINL" },
266 { "Right PGA", NULL, "VINR" },
267 { "ADC", NULL, "Left PGA" },
268 { "ADC", NULL, "Right PGA" },
269
270 { "SYSCLK", NULL, "PLL1", adav80x_dapm_sysclk_check },
271 { "SYSCLK", NULL, "PLL2", adav80x_dapm_sysclk_check },
272 { "SYSCLK", NULL, "OSC", adav80x_dapm_sysclk_check },
273 { "PLL1", NULL, "OSC", adav80x_dapm_pll_check },
274 { "PLL2", NULL, "OSC", adav80x_dapm_pll_check },
275
276 { "ADC", NULL, "SYSCLK" },
277 { "DAC", NULL, "SYSCLK" },
278 { "AIFOUT", NULL, "SYSCLK" },
279 { "AIFAUXOUT", NULL, "SYSCLK" },
280 { "AIFIN", NULL, "SYSCLK" },
281 { "AIFAUXIN", NULL, "SYSCLK" },
282 };
283
adav80x_set_deemph(struct snd_soc_component * component)284 static int adav80x_set_deemph(struct snd_soc_component *component)
285 {
286 struct adav80x *adav80x = snd_soc_component_get_drvdata(component);
287 unsigned int val;
288
289 if (adav80x->deemph) {
290 switch (adav80x->rate) {
291 case 32000:
292 val = ADAV80X_DAC_CTRL2_DEEMPH_32;
293 break;
294 case 44100:
295 val = ADAV80X_DAC_CTRL2_DEEMPH_44;
296 break;
297 case 48000:
298 case 64000:
299 case 88200:
300 case 96000:
301 val = ADAV80X_DAC_CTRL2_DEEMPH_48;
302 break;
303 default:
304 val = ADAV80X_DAC_CTRL2_DEEMPH_NONE;
305 break;
306 }
307 } else {
308 val = ADAV80X_DAC_CTRL2_DEEMPH_NONE;
309 }
310
311 return regmap_update_bits(adav80x->regmap, ADAV80X_DAC_CTRL2,
312 ADAV80X_DAC_CTRL2_DEEMPH_MASK, val);
313 }
314
adav80x_put_deemph(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)315 static int adav80x_put_deemph(struct snd_kcontrol *kcontrol,
316 struct snd_ctl_elem_value *ucontrol)
317 {
318 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
319 struct adav80x *adav80x = snd_soc_component_get_drvdata(component);
320 unsigned int deemph = ucontrol->value.integer.value[0];
321
322 if (deemph > 1)
323 return -EINVAL;
324
325 adav80x->deemph = deemph;
326
327 return adav80x_set_deemph(component);
328 }
329
adav80x_get_deemph(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)330 static int adav80x_get_deemph(struct snd_kcontrol *kcontrol,
331 struct snd_ctl_elem_value *ucontrol)
332 {
333 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
334 struct adav80x *adav80x = snd_soc_component_get_drvdata(component);
335
336 ucontrol->value.integer.value[0] = adav80x->deemph;
337 return 0;
338 };
339
340 static const DECLARE_TLV_DB_SCALE(adav80x_inpga_tlv, 0, 50, 0);
341 static const DECLARE_TLV_DB_MINMAX(adav80x_digital_tlv, -9563, 0);
342
343 static const struct snd_kcontrol_new adav80x_controls[] = {
344 SOC_DOUBLE_R_TLV("Master Playback Volume", ADAV80X_DAC_L_VOL,
345 ADAV80X_DAC_R_VOL, 0, 0xff, 0, adav80x_digital_tlv),
346 SOC_DOUBLE_R_TLV("Master Capture Volume", ADAV80X_ADC_L_VOL,
347 ADAV80X_ADC_R_VOL, 0, 0xff, 0, adav80x_digital_tlv),
348
349 SOC_DOUBLE_R_TLV("PGA Capture Volume", ADAV80X_PGA_L_VOL,
350 ADAV80X_PGA_R_VOL, 0, 0x30, 0, adav80x_inpga_tlv),
351
352 SOC_DOUBLE("Master Playback Switch", ADAV80X_DAC_CTRL1, 0, 1, 1, 0),
353 SOC_DOUBLE("Master Capture Switch", ADAV80X_ADC_CTRL1, 2, 3, 1, 1),
354
355 SOC_SINGLE("ADC High Pass Filter Switch", ADAV80X_ADC_CTRL1, 6, 1, 0),
356
357 SOC_SINGLE_BOOL_EXT("Playback De-emphasis Switch", 0,
358 adav80x_get_deemph, adav80x_put_deemph),
359 };
360
361 static unsigned int adav80x_port_ctrl_regs[2][2] = {
362 { ADAV80X_REC_CTRL, ADAV80X_PLAYBACK_CTRL, },
363 { ADAV80X_AUX_OUT_CTRL, ADAV80X_AUX_IN_CTRL },
364 };
365
adav80x_set_dai_fmt(struct snd_soc_dai * dai,unsigned int fmt)366 static int adav80x_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
367 {
368 struct snd_soc_component *component = dai->component;
369 struct adav80x *adav80x = snd_soc_component_get_drvdata(component);
370 unsigned int capture = 0x00;
371 unsigned int playback = 0x00;
372
373 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
374 case SND_SOC_DAIFMT_CBM_CFM:
375 capture |= ADAV80X_CAPTURE_MODE_MASTER;
376 playback |= ADAV80X_PLAYBACK_MODE_MASTER;
377 case SND_SOC_DAIFMT_CBS_CFS:
378 break;
379 default:
380 return -EINVAL;
381 }
382
383 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
384 case SND_SOC_DAIFMT_I2S:
385 capture |= ADAV80X_CAPTURE_MODE_I2S;
386 playback |= ADAV80X_PLAYBACK_MODE_I2S;
387 break;
388 case SND_SOC_DAIFMT_LEFT_J:
389 capture |= ADAV80X_CAPTURE_MODE_LEFT_J;
390 playback |= ADAV80X_PLAYBACK_MODE_LEFT_J;
391 break;
392 case SND_SOC_DAIFMT_RIGHT_J:
393 capture |= ADAV80X_CAPTURE_MODE_RIGHT_J;
394 playback |= ADAV80X_PLAYBACK_MODE_RIGHT_J_24;
395 break;
396 default:
397 return -EINVAL;
398 }
399
400 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
401 case SND_SOC_DAIFMT_NB_NF:
402 break;
403 default:
404 return -EINVAL;
405 }
406
407 regmap_update_bits(adav80x->regmap, adav80x_port_ctrl_regs[dai->id][0],
408 ADAV80X_CAPTURE_MODE_MASK | ADAV80X_CAPTURE_MODE_MASTER,
409 capture);
410 regmap_write(adav80x->regmap, adav80x_port_ctrl_regs[dai->id][1],
411 playback);
412
413 adav80x->dai_fmt[dai->id] = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
414
415 return 0;
416 }
417
adav80x_set_adc_clock(struct snd_soc_component * component,unsigned int sample_rate)418 static int adav80x_set_adc_clock(struct snd_soc_component *component,
419 unsigned int sample_rate)
420 {
421 struct adav80x *adav80x = snd_soc_component_get_drvdata(component);
422 unsigned int val;
423
424 if (sample_rate <= 48000)
425 val = ADAV80X_ADC_CTRL1_MODULATOR_128FS;
426 else
427 val = ADAV80X_ADC_CTRL1_MODULATOR_64FS;
428
429 regmap_update_bits(adav80x->regmap, ADAV80X_ADC_CTRL1,
430 ADAV80X_ADC_CTRL1_MODULATOR_MASK, val);
431
432 return 0;
433 }
434
adav80x_set_dac_clock(struct snd_soc_component * component,unsigned int sample_rate)435 static int adav80x_set_dac_clock(struct snd_soc_component *component,
436 unsigned int sample_rate)
437 {
438 struct adav80x *adav80x = snd_soc_component_get_drvdata(component);
439 unsigned int val;
440
441 if (sample_rate <= 48000)
442 val = ADAV80X_DAC_CTRL2_DIV1 | ADAV80X_DAC_CTRL2_INTERPOL_256FS;
443 else
444 val = ADAV80X_DAC_CTRL2_DIV2 | ADAV80X_DAC_CTRL2_INTERPOL_128FS;
445
446 regmap_update_bits(adav80x->regmap, ADAV80X_DAC_CTRL2,
447 ADAV80X_DAC_CTRL2_DIV_MASK | ADAV80X_DAC_CTRL2_INTERPOL_MASK,
448 val);
449
450 return 0;
451 }
452
adav80x_set_capture_pcm_format(struct snd_soc_component * component,struct snd_soc_dai * dai,struct snd_pcm_hw_params * params)453 static int adav80x_set_capture_pcm_format(struct snd_soc_component *component,
454 struct snd_soc_dai *dai, struct snd_pcm_hw_params *params)
455 {
456 struct adav80x *adav80x = snd_soc_component_get_drvdata(component);
457 unsigned int val;
458
459 switch (params_width(params)) {
460 case 16:
461 val = ADAV80X_CAPTURE_WORD_LEN16;
462 break;
463 case 18:
464 val = ADAV80X_CAPTRUE_WORD_LEN18;
465 break;
466 case 20:
467 val = ADAV80X_CAPTURE_WORD_LEN20;
468 break;
469 case 24:
470 val = ADAV80X_CAPTURE_WORD_LEN24;
471 break;
472 default:
473 return -EINVAL;
474 }
475
476 regmap_update_bits(adav80x->regmap, adav80x_port_ctrl_regs[dai->id][0],
477 ADAV80X_CAPTURE_WORD_LEN_MASK, val);
478
479 return 0;
480 }
481
adav80x_set_playback_pcm_format(struct snd_soc_component * component,struct snd_soc_dai * dai,struct snd_pcm_hw_params * params)482 static int adav80x_set_playback_pcm_format(struct snd_soc_component *component,
483 struct snd_soc_dai *dai, struct snd_pcm_hw_params *params)
484 {
485 struct adav80x *adav80x = snd_soc_component_get_drvdata(component);
486 unsigned int val;
487
488 if (adav80x->dai_fmt[dai->id] != SND_SOC_DAIFMT_RIGHT_J)
489 return 0;
490
491 switch (params_width(params)) {
492 case 16:
493 val = ADAV80X_PLAYBACK_MODE_RIGHT_J_16;
494 break;
495 case 18:
496 val = ADAV80X_PLAYBACK_MODE_RIGHT_J_18;
497 break;
498 case 20:
499 val = ADAV80X_PLAYBACK_MODE_RIGHT_J_20;
500 break;
501 case 24:
502 val = ADAV80X_PLAYBACK_MODE_RIGHT_J_24;
503 break;
504 default:
505 return -EINVAL;
506 }
507
508 regmap_update_bits(adav80x->regmap, adav80x_port_ctrl_regs[dai->id][1],
509 ADAV80X_PLAYBACK_MODE_MASK, val);
510
511 return 0;
512 }
513
adav80x_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)514 static int adav80x_hw_params(struct snd_pcm_substream *substream,
515 struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
516 {
517 struct snd_soc_component *component = dai->component;
518 struct adav80x *adav80x = snd_soc_component_get_drvdata(component);
519 unsigned int rate = params_rate(params);
520
521 if (rate * 256 != adav80x->sysclk)
522 return -EINVAL;
523
524 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
525 adav80x_set_playback_pcm_format(component, dai, params);
526 adav80x_set_dac_clock(component, rate);
527 } else {
528 adav80x_set_capture_pcm_format(component, dai, params);
529 adav80x_set_adc_clock(component, rate);
530 }
531 adav80x->rate = rate;
532 adav80x_set_deemph(component);
533
534 return 0;
535 }
536
adav80x_set_sysclk(struct snd_soc_component * component,int clk_id,int source,unsigned int freq,int dir)537 static int adav80x_set_sysclk(struct snd_soc_component *component,
538 int clk_id, int source,
539 unsigned int freq, int dir)
540 {
541 struct adav80x *adav80x = snd_soc_component_get_drvdata(component);
542 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
543
544 if (dir == SND_SOC_CLOCK_IN) {
545 switch (clk_id) {
546 case ADAV80X_CLK_XIN:
547 case ADAV80X_CLK_XTAL:
548 case ADAV80X_CLK_MCLKI:
549 case ADAV80X_CLK_PLL1:
550 case ADAV80X_CLK_PLL2:
551 break;
552 default:
553 return -EINVAL;
554 }
555
556 adav80x->sysclk = freq;
557
558 if (adav80x->clk_src != clk_id) {
559 unsigned int iclk_ctrl1, iclk_ctrl2;
560
561 adav80x->clk_src = clk_id;
562 if (clk_id == ADAV80X_CLK_XTAL)
563 clk_id = ADAV80X_CLK_XIN;
564
565 iclk_ctrl1 = ADAV80X_ICLK_CTRL1_DAC_SRC(clk_id) |
566 ADAV80X_ICLK_CTRL1_ADC_SRC(clk_id) |
567 ADAV80X_ICLK_CTRL1_ICLK2_SRC(clk_id);
568 iclk_ctrl2 = ADAV80X_ICLK_CTRL2_ICLK1_SRC(clk_id);
569
570 regmap_write(adav80x->regmap, ADAV80X_ICLK_CTRL1,
571 iclk_ctrl1);
572 regmap_write(adav80x->regmap, ADAV80X_ICLK_CTRL2,
573 iclk_ctrl2);
574
575 snd_soc_dapm_sync(dapm);
576 }
577 } else {
578 unsigned int mask;
579
580 switch (clk_id) {
581 case ADAV80X_CLK_SYSCLK1:
582 case ADAV80X_CLK_SYSCLK2:
583 case ADAV80X_CLK_SYSCLK3:
584 break;
585 default:
586 return -EINVAL;
587 }
588
589 clk_id -= ADAV80X_CLK_SYSCLK1;
590 mask = ADAV80X_PLL_OUTE_SYSCLKPD(clk_id);
591
592 if (freq == 0) {
593 regmap_update_bits(adav80x->regmap, ADAV80X_PLL_OUTE,
594 mask, mask);
595 adav80x->sysclk_pd[clk_id] = true;
596 } else {
597 regmap_update_bits(adav80x->regmap, ADAV80X_PLL_OUTE,
598 mask, 0);
599 adav80x->sysclk_pd[clk_id] = false;
600 }
601
602 snd_soc_dapm_mutex_lock(dapm);
603
604 if (adav80x->sysclk_pd[0])
605 snd_soc_dapm_disable_pin_unlocked(dapm, "PLL1");
606 else
607 snd_soc_dapm_force_enable_pin_unlocked(dapm, "PLL1");
608
609 if (adav80x->sysclk_pd[1] || adav80x->sysclk_pd[2])
610 snd_soc_dapm_disable_pin_unlocked(dapm, "PLL2");
611 else
612 snd_soc_dapm_force_enable_pin_unlocked(dapm, "PLL2");
613
614 snd_soc_dapm_sync_unlocked(dapm);
615
616 snd_soc_dapm_mutex_unlock(dapm);
617 }
618
619 return 0;
620 }
621
adav80x_set_pll(struct snd_soc_component * component,int pll_id,int source,unsigned int freq_in,unsigned int freq_out)622 static int adav80x_set_pll(struct snd_soc_component *component, int pll_id,
623 int source, unsigned int freq_in, unsigned int freq_out)
624 {
625 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
626 struct adav80x *adav80x = snd_soc_component_get_drvdata(component);
627 unsigned int pll_ctrl1 = 0;
628 unsigned int pll_ctrl2 = 0;
629 unsigned int pll_src;
630
631 switch (source) {
632 case ADAV80X_PLL_SRC_XTAL:
633 case ADAV80X_PLL_SRC_XIN:
634 case ADAV80X_PLL_SRC_MCLKI:
635 break;
636 default:
637 return -EINVAL;
638 }
639
640 if (!freq_out)
641 return 0;
642
643 switch (freq_in) {
644 case 27000000:
645 break;
646 case 54000000:
647 if (source == ADAV80X_PLL_SRC_XIN) {
648 pll_ctrl1 |= ADAV80X_PLL_CTRL1_PLLDIV;
649 break;
650 }
651 /* fall through */
652 default:
653 return -EINVAL;
654 }
655
656 if (freq_out > 12288000) {
657 pll_ctrl2 |= ADAV80X_PLL_CTRL2_DOUB(pll_id);
658 freq_out /= 2;
659 }
660
661 /* freq_out = sample_rate * 256 */
662 switch (freq_out) {
663 case 8192000:
664 pll_ctrl2 |= ADAV80X_PLL_CTRL2_FS_32(pll_id);
665 break;
666 case 11289600:
667 pll_ctrl2 |= ADAV80X_PLL_CTRL2_FS_44(pll_id);
668 break;
669 case 12288000:
670 pll_ctrl2 |= ADAV80X_PLL_CTRL2_FS_48(pll_id);
671 break;
672 default:
673 return -EINVAL;
674 }
675
676 regmap_update_bits(adav80x->regmap, ADAV80X_PLL_CTRL1,
677 ADAV80X_PLL_CTRL1_PLLDIV, pll_ctrl1);
678 regmap_update_bits(adav80x->regmap, ADAV80X_PLL_CTRL2,
679 ADAV80X_PLL_CTRL2_PLL_MASK(pll_id), pll_ctrl2);
680
681 if (source != adav80x->pll_src) {
682 if (source == ADAV80X_PLL_SRC_MCLKI)
683 pll_src = ADAV80X_PLL_CLK_SRC_PLL_MCLKI(pll_id);
684 else
685 pll_src = ADAV80X_PLL_CLK_SRC_PLL_XIN(pll_id);
686
687 regmap_update_bits(adav80x->regmap, ADAV80X_PLL_CLK_SRC,
688 ADAV80X_PLL_CLK_SRC_PLL_MASK(pll_id), pll_src);
689
690 adav80x->pll_src = source;
691
692 snd_soc_dapm_sync(dapm);
693 }
694
695 return 0;
696 }
697
adav80x_set_bias_level(struct snd_soc_component * component,enum snd_soc_bias_level level)698 static int adav80x_set_bias_level(struct snd_soc_component *component,
699 enum snd_soc_bias_level level)
700 {
701 struct adav80x *adav80x = snd_soc_component_get_drvdata(component);
702 unsigned int mask = ADAV80X_DAC_CTRL1_PD;
703
704 switch (level) {
705 case SND_SOC_BIAS_ON:
706 break;
707 case SND_SOC_BIAS_PREPARE:
708 break;
709 case SND_SOC_BIAS_STANDBY:
710 regmap_update_bits(adav80x->regmap, ADAV80X_DAC_CTRL1, mask,
711 0x00);
712 break;
713 case SND_SOC_BIAS_OFF:
714 regmap_update_bits(adav80x->regmap, ADAV80X_DAC_CTRL1, mask,
715 mask);
716 break;
717 }
718
719 return 0;
720 }
721
722 /* Enforce the same sample rate on all audio interfaces */
adav80x_dai_startup(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)723 static int adav80x_dai_startup(struct snd_pcm_substream *substream,
724 struct snd_soc_dai *dai)
725 {
726 struct snd_soc_component *component = dai->component;
727 struct adav80x *adav80x = snd_soc_component_get_drvdata(component);
728
729 if (!snd_soc_component_is_active(component) || !adav80x->rate)
730 return 0;
731
732 return snd_pcm_hw_constraint_single(substream->runtime,
733 SNDRV_PCM_HW_PARAM_RATE, adav80x->rate);
734 }
735
adav80x_dai_shutdown(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)736 static void adav80x_dai_shutdown(struct snd_pcm_substream *substream,
737 struct snd_soc_dai *dai)
738 {
739 struct snd_soc_component *component = dai->component;
740 struct adav80x *adav80x = snd_soc_component_get_drvdata(component);
741
742 if (!snd_soc_component_is_active(component))
743 adav80x->rate = 0;
744 }
745
746 static const struct snd_soc_dai_ops adav80x_dai_ops = {
747 .set_fmt = adav80x_set_dai_fmt,
748 .hw_params = adav80x_hw_params,
749 .startup = adav80x_dai_startup,
750 .shutdown = adav80x_dai_shutdown,
751 };
752
753 #define ADAV80X_PLAYBACK_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
754 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_64000 | SNDRV_PCM_RATE_88200 | \
755 SNDRV_PCM_RATE_96000)
756
757 #define ADAV80X_CAPTURE_RATES (SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000)
758
759 #define ADAV80X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S18_3LE | \
760 SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE)
761
762 static struct snd_soc_dai_driver adav80x_dais[] = {
763 {
764 .name = "adav80x-hifi",
765 .id = 0,
766 .playback = {
767 .stream_name = "HiFi Playback",
768 .channels_min = 2,
769 .channels_max = 2,
770 .rates = ADAV80X_PLAYBACK_RATES,
771 .formats = ADAV80X_FORMATS,
772 },
773 .capture = {
774 .stream_name = "HiFi Capture",
775 .channels_min = 2,
776 .channels_max = 2,
777 .rates = ADAV80X_CAPTURE_RATES,
778 .formats = ADAV80X_FORMATS,
779 },
780 .ops = &adav80x_dai_ops,
781 },
782 {
783 .name = "adav80x-aux",
784 .id = 1,
785 .playback = {
786 .stream_name = "Aux Playback",
787 .channels_min = 2,
788 .channels_max = 2,
789 .rates = ADAV80X_PLAYBACK_RATES,
790 .formats = ADAV80X_FORMATS,
791 },
792 .capture = {
793 .stream_name = "Aux Capture",
794 .channels_min = 2,
795 .channels_max = 2,
796 .rates = ADAV80X_CAPTURE_RATES,
797 .formats = ADAV80X_FORMATS,
798 },
799 .ops = &adav80x_dai_ops,
800 },
801 };
802
adav80x_probe(struct snd_soc_component * component)803 static int adav80x_probe(struct snd_soc_component *component)
804 {
805 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
806 struct adav80x *adav80x = snd_soc_component_get_drvdata(component);
807
808 /* Force PLLs on for SYSCLK output */
809 snd_soc_dapm_force_enable_pin(dapm, "PLL1");
810 snd_soc_dapm_force_enable_pin(dapm, "PLL2");
811
812 /* Power down S/PDIF receiver, since it is currently not supported */
813 regmap_write(adav80x->regmap, ADAV80X_PLL_OUTE, 0x20);
814 /* Disable DAC zero flag */
815 regmap_write(adav80x->regmap, ADAV80X_DAC_CTRL3, 0x6);
816
817 return 0;
818 }
819
adav80x_resume(struct snd_soc_component * component)820 static int adav80x_resume(struct snd_soc_component *component)
821 {
822 struct adav80x *adav80x = snd_soc_component_get_drvdata(component);
823
824 regcache_sync(adav80x->regmap);
825
826 return 0;
827 }
828
829 static const struct snd_soc_component_driver adav80x_component_driver = {
830 .probe = adav80x_probe,
831 .resume = adav80x_resume,
832 .set_bias_level = adav80x_set_bias_level,
833 .set_pll = adav80x_set_pll,
834 .set_sysclk = adav80x_set_sysclk,
835 .controls = adav80x_controls,
836 .num_controls = ARRAY_SIZE(adav80x_controls),
837 .dapm_widgets = adav80x_dapm_widgets,
838 .num_dapm_widgets = ARRAY_SIZE(adav80x_dapm_widgets),
839 .dapm_routes = adav80x_dapm_routes,
840 .num_dapm_routes = ARRAY_SIZE(adav80x_dapm_routes),
841 .suspend_bias_off = 1,
842 .idle_bias_on = 1,
843 .use_pmdown_time = 1,
844 .endianness = 1,
845 .non_legacy_dai_naming = 1,
846 };
847
adav80x_bus_probe(struct device * dev,struct regmap * regmap)848 int adav80x_bus_probe(struct device *dev, struct regmap *regmap)
849 {
850 struct adav80x *adav80x;
851
852 if (IS_ERR(regmap))
853 return PTR_ERR(regmap);
854
855 adav80x = devm_kzalloc(dev, sizeof(*adav80x), GFP_KERNEL);
856 if (!adav80x)
857 return -ENOMEM;
858
859 dev_set_drvdata(dev, adav80x);
860 adav80x->regmap = regmap;
861
862 return devm_snd_soc_register_component(dev, &adav80x_component_driver,
863 adav80x_dais, ARRAY_SIZE(adav80x_dais));
864 }
865 EXPORT_SYMBOL_GPL(adav80x_bus_probe);
866
867 const struct regmap_config adav80x_regmap_config = {
868 .val_bits = 8,
869 .pad_bits = 1,
870 .reg_bits = 7,
871
872 .max_register = ADAV80X_PLL_OUTE,
873
874 .cache_type = REGCACHE_RBTREE,
875 .reg_defaults = adav80x_reg_defaults,
876 .num_reg_defaults = ARRAY_SIZE(adav80x_reg_defaults),
877 };
878 EXPORT_SYMBOL_GPL(adav80x_regmap_config);
879
880 MODULE_DESCRIPTION("ASoC ADAV80x driver");
881 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
882 MODULE_AUTHOR("Yi Li <yi.li@analog.com>>");
883 MODULE_LICENSE("GPL");
884