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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
116static 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
142struct 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
155static const char *adav80x_mux_text[] = {
156 "ADC",
157 "Playback",
158 "Aux Playback",
159};
160
161static 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
170static ADAV80X_MUX_ENUM_DECL(adav80x_aux_capture_enum, ADAV80X_DPATH_CTRL1, 0);
171static ADAV80X_MUX_ENUM_DECL(adav80x_capture_enum, ADAV80X_DPATH_CTRL1, 3);
172static ADAV80X_MUX_ENUM_DECL(adav80x_dac_enum, ADAV80X_DPATH_CTRL2, 3);
173
174static const struct snd_kcontrol_new adav80x_aux_capture_mux_ctrl =
175 SOC_DAPM_ENUM("Route", adav80x_aux_capture_enum);
176static const struct snd_kcontrol_new adav80x_capture_mux_ctrl =
177 SOC_DAPM_ENUM("Route", adav80x_capture_enum);
178static 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
184static 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
212static int adav80x_dapm_sysclk_check(struct snd_soc_dapm_widget *source,
213 struct snd_soc_dapm_widget *sink)
214{
215 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
216 struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
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
236static int adav80x_dapm_pll_check(struct snd_soc_dapm_widget *source,
237 struct snd_soc_dapm_widget *sink)
238{
239 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
240 struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
241
242 return adav80x->pll_src == ADAV80X_PLL_SRC_XTAL;
243}
244
245
246static 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
284static int adav80x_set_deemph(struct snd_soc_codec *codec)
285{
286 struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
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
315static int adav80x_put_deemph(struct snd_kcontrol *kcontrol,
316 struct snd_ctl_elem_value *ucontrol)
317{
318 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
319 struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
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(codec);
328}
329
330static int adav80x_get_deemph(struct snd_kcontrol *kcontrol,
331 struct snd_ctl_elem_value *ucontrol)
332{
333 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
334 struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
335
336 ucontrol->value.integer.value[0] = adav80x->deemph;
337 return 0;
338};
339
340static const DECLARE_TLV_DB_SCALE(adav80x_inpga_tlv, 0, 50, 0);
341static const DECLARE_TLV_DB_MINMAX(adav80x_digital_tlv, -9563, 0);
342
343static 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
361static 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
366static int adav80x_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
367{
368 struct snd_soc_codec *codec = dai->codec;
369 struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
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
418static int adav80x_set_adc_clock(struct snd_soc_codec *codec,
419 unsigned int sample_rate)
420{
421 struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
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
435static int adav80x_set_dac_clock(struct snd_soc_codec *codec,
436 unsigned int sample_rate)
437{
438 struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
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
453static int adav80x_set_capture_pcm_format(struct snd_soc_codec *codec,
454 struct snd_soc_dai *dai, struct snd_pcm_hw_params *params)
455{
456 struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
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
482static int adav80x_set_playback_pcm_format(struct snd_soc_codec *codec,
483 struct snd_soc_dai *dai, struct snd_pcm_hw_params *params)
484{
485 struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
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
514static 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_codec *codec = dai->codec;
518 struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
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(codec, dai, params);
526 adav80x_set_dac_clock(codec, rate);
527 } else {
528 adav80x_set_capture_pcm_format(codec, dai, params);
529 adav80x_set_adc_clock(codec, rate);
530 }
531 adav80x->rate = rate;
532 adav80x_set_deemph(codec);
533
534 return 0;
535}
536
537static int adav80x_set_sysclk(struct snd_soc_codec *codec,
538 int clk_id, int source,
539 unsigned int freq, int dir)
540{
541 struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
542 struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
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
622static int adav80x_set_pll(struct snd_soc_codec *codec, int pll_id,
623 int source, unsigned int freq_in, unsigned int freq_out)
624{
625 struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
626 struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
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 default:
652 return -EINVAL;
653 }
654
655 if (freq_out > 12288000) {
656 pll_ctrl2 |= ADAV80X_PLL_CTRL2_DOUB(pll_id);
657 freq_out /= 2;
658 }
659
660
661 switch (freq_out) {
662 case 8192000:
663 pll_ctrl2 |= ADAV80X_PLL_CTRL2_FS_32(pll_id);
664 break;
665 case 11289600:
666 pll_ctrl2 |= ADAV80X_PLL_CTRL2_FS_44(pll_id);
667 break;
668 case 12288000:
669 pll_ctrl2 |= ADAV80X_PLL_CTRL2_FS_48(pll_id);
670 break;
671 default:
672 return -EINVAL;
673 }
674
675 regmap_update_bits(adav80x->regmap, ADAV80X_PLL_CTRL1,
676 ADAV80X_PLL_CTRL1_PLLDIV, pll_ctrl1);
677 regmap_update_bits(adav80x->regmap, ADAV80X_PLL_CTRL2,
678 ADAV80X_PLL_CTRL2_PLL_MASK(pll_id), pll_ctrl2);
679
680 if (source != adav80x->pll_src) {
681 if (source == ADAV80X_PLL_SRC_MCLKI)
682 pll_src = ADAV80X_PLL_CLK_SRC_PLL_MCLKI(pll_id);
683 else
684 pll_src = ADAV80X_PLL_CLK_SRC_PLL_XIN(pll_id);
685
686 regmap_update_bits(adav80x->regmap, ADAV80X_PLL_CLK_SRC,
687 ADAV80X_PLL_CLK_SRC_PLL_MASK(pll_id), pll_src);
688
689 adav80x->pll_src = source;
690
691 snd_soc_dapm_sync(dapm);
692 }
693
694 return 0;
695}
696
697static int adav80x_set_bias_level(struct snd_soc_codec *codec,
698 enum snd_soc_bias_level level)
699{
700 struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
701 unsigned int mask = ADAV80X_DAC_CTRL1_PD;
702
703 switch (level) {
704 case SND_SOC_BIAS_ON:
705 break;
706 case SND_SOC_BIAS_PREPARE:
707 break;
708 case SND_SOC_BIAS_STANDBY:
709 regmap_update_bits(adav80x->regmap, ADAV80X_DAC_CTRL1, mask,
710 0x00);
711 break;
712 case SND_SOC_BIAS_OFF:
713 regmap_update_bits(adav80x->regmap, ADAV80X_DAC_CTRL1, mask,
714 mask);
715 break;
716 }
717
718 return 0;
719}
720
721
722static int adav80x_dai_startup(struct snd_pcm_substream *substream,
723 struct snd_soc_dai *dai)
724{
725 struct snd_soc_codec *codec = dai->codec;
726 struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
727
728 if (!snd_soc_codec_is_active(codec) || !adav80x->rate)
729 return 0;
730
731 return snd_pcm_hw_constraint_single(substream->runtime,
732 SNDRV_PCM_HW_PARAM_RATE, adav80x->rate);
733}
734
735static void adav80x_dai_shutdown(struct snd_pcm_substream *substream,
736 struct snd_soc_dai *dai)
737{
738 struct snd_soc_codec *codec = dai->codec;
739 struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
740
741 if (!snd_soc_codec_is_active(codec))
742 adav80x->rate = 0;
743}
744
745static const struct snd_soc_dai_ops adav80x_dai_ops = {
746 .set_fmt = adav80x_set_dai_fmt,
747 .hw_params = adav80x_hw_params,
748 .startup = adav80x_dai_startup,
749 .shutdown = adav80x_dai_shutdown,
750};
751
752#define ADAV80X_PLAYBACK_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
753 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_64000 | SNDRV_PCM_RATE_88200 | \
754 SNDRV_PCM_RATE_96000)
755
756#define ADAV80X_CAPTURE_RATES (SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000)
757
758#define ADAV80X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S18_3LE | \
759 SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE)
760
761static struct snd_soc_dai_driver adav80x_dais[] = {
762 {
763 .name = "adav80x-hifi",
764 .id = 0,
765 .playback = {
766 .stream_name = "HiFi Playback",
767 .channels_min = 2,
768 .channels_max = 2,
769 .rates = ADAV80X_PLAYBACK_RATES,
770 .formats = ADAV80X_FORMATS,
771 },
772 .capture = {
773 .stream_name = "HiFi Capture",
774 .channels_min = 2,
775 .channels_max = 2,
776 .rates = ADAV80X_CAPTURE_RATES,
777 .formats = ADAV80X_FORMATS,
778 },
779 .ops = &adav80x_dai_ops,
780 },
781 {
782 .name = "adav80x-aux",
783 .id = 1,
784 .playback = {
785 .stream_name = "Aux Playback",
786 .channels_min = 2,
787 .channels_max = 2,
788 .rates = ADAV80X_PLAYBACK_RATES,
789 .formats = ADAV80X_FORMATS,
790 },
791 .capture = {
792 .stream_name = "Aux Capture",
793 .channels_min = 2,
794 .channels_max = 2,
795 .rates = ADAV80X_CAPTURE_RATES,
796 .formats = ADAV80X_FORMATS,
797 },
798 .ops = &adav80x_dai_ops,
799 },
800};
801
802static int adav80x_probe(struct snd_soc_codec *codec)
803{
804 struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
805 struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
806
807
808 snd_soc_dapm_force_enable_pin(dapm, "PLL1");
809 snd_soc_dapm_force_enable_pin(dapm, "PLL2");
810
811
812 regmap_write(adav80x->regmap, ADAV80X_PLL_OUTE, 0x20);
813
814 regmap_write(adav80x->regmap, ADAV80X_DAC_CTRL3, 0x6);
815
816 return 0;
817}
818
819static int adav80x_resume(struct snd_soc_codec *codec)
820{
821 struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
822
823 regcache_sync(adav80x->regmap);
824
825 return 0;
826}
827
828static struct snd_soc_codec_driver adav80x_codec_driver = {
829 .probe = adav80x_probe,
830 .resume = adav80x_resume,
831 .set_bias_level = adav80x_set_bias_level,
832 .suspend_bias_off = true,
833
834 .set_pll = adav80x_set_pll,
835 .set_sysclk = adav80x_set_sysclk,
836
837 .controls = adav80x_controls,
838 .num_controls = ARRAY_SIZE(adav80x_controls),
839 .dapm_widgets = adav80x_dapm_widgets,
840 .num_dapm_widgets = ARRAY_SIZE(adav80x_dapm_widgets),
841 .dapm_routes = adav80x_dapm_routes,
842 .num_dapm_routes = ARRAY_SIZE(adav80x_dapm_routes),
843};
844
845int adav80x_bus_probe(struct device *dev, struct regmap *regmap)
846{
847 struct adav80x *adav80x;
848
849 if (IS_ERR(regmap))
850 return PTR_ERR(regmap);
851
852 adav80x = devm_kzalloc(dev, sizeof(*adav80x), GFP_KERNEL);
853 if (!adav80x)
854 return -ENOMEM;
855
856 dev_set_drvdata(dev, adav80x);
857 adav80x->regmap = regmap;
858
859 return snd_soc_register_codec(dev, &adav80x_codec_driver,
860 adav80x_dais, ARRAY_SIZE(adav80x_dais));
861}
862EXPORT_SYMBOL_GPL(adav80x_bus_probe);
863
864const struct regmap_config adav80x_regmap_config = {
865 .val_bits = 8,
866 .pad_bits = 1,
867 .reg_bits = 7,
868
869 .max_register = ADAV80X_PLL_OUTE,
870
871 .cache_type = REGCACHE_RBTREE,
872 .reg_defaults = adav80x_reg_defaults,
873 .num_reg_defaults = ARRAY_SIZE(adav80x_reg_defaults),
874};
875EXPORT_SYMBOL_GPL(adav80x_regmap_config);
876
877MODULE_DESCRIPTION("ASoC ADAV80x driver");
878MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
879MODULE_AUTHOR("Yi Li <yi.li@analog.com>>");
880MODULE_LICENSE("GPL");
881
