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v6.13.7
  1// SPDX-License-Identifier: GPL-2.0-or-later
  2/*
  3 * ADAV80X Audio Codec driver supporting ADAV801, ADAV803
  4 *
  5 * Copyright 2011 Analog Devices Inc.
  6 * Author: Yi Li <yi.li@analog.com>
  7 * Author: Lars-Peter Clausen <lars@metafoo.de>
 
 
  8 */
  9
 10#include <linux/module.h>
 11#include <linux/kernel.h>
 12#include <linux/regmap.h>
 13#include <linux/slab.h>
 14
 15#include <sound/pcm.h>
 16#include <sound/pcm_params.h>
 17#include <sound/soc.h>
 18#include <sound/tlv.h>
 19
 20#include "adav80x.h"
 21
 22#define ADAV80X_PLAYBACK_CTRL	0x04
 23#define ADAV80X_AUX_IN_CTRL	0x05
 24#define ADAV80X_REC_CTRL	0x06
 25#define ADAV80X_AUX_OUT_CTRL	0x07
 26#define ADAV80X_DPATH_CTRL1	0x62
 27#define ADAV80X_DPATH_CTRL2	0x63
 28#define ADAV80X_DAC_CTRL1	0x64
 29#define ADAV80X_DAC_CTRL2	0x65
 30#define ADAV80X_DAC_CTRL3	0x66
 31#define ADAV80X_DAC_L_VOL	0x68
 32#define ADAV80X_DAC_R_VOL	0x69
 33#define ADAV80X_PGA_L_VOL	0x6c
 34#define ADAV80X_PGA_R_VOL	0x6d
 35#define ADAV80X_ADC_CTRL1	0x6e
 36#define ADAV80X_ADC_CTRL2	0x6f
 37#define ADAV80X_ADC_L_VOL	0x70
 38#define ADAV80X_ADC_R_VOL	0x71
 39#define ADAV80X_PLL_CTRL1	0x74
 40#define ADAV80X_PLL_CTRL2	0x75
 41#define ADAV80X_ICLK_CTRL1	0x76
 42#define ADAV80X_ICLK_CTRL2	0x77
 43#define ADAV80X_PLL_CLK_SRC	0x78
 44#define ADAV80X_PLL_OUTE	0x7a
 45
 46#define ADAV80X_PLL_CLK_SRC_PLL_XIN(pll)	0x00
 47#define ADAV80X_PLL_CLK_SRC_PLL_MCLKI(pll)	(0x40 << (pll))
 48#define ADAV80X_PLL_CLK_SRC_PLL_MASK(pll)	(0x40 << (pll))
 49
 50#define ADAV80X_ICLK_CTRL1_DAC_SRC(src)		((src) << 5)
 51#define ADAV80X_ICLK_CTRL1_ADC_SRC(src)		((src) << 2)
 52#define ADAV80X_ICLK_CTRL1_ICLK2_SRC(src)	(src)
 53#define ADAV80X_ICLK_CTRL2_ICLK1_SRC(src)	((src) << 3)
 54
 55#define ADAV80X_PLL_CTRL1_PLLDIV		0x10
 56#define ADAV80X_PLL_CTRL1_PLLPD(pll)		(0x04 << (pll))
 57#define ADAV80X_PLL_CTRL1_XTLPD			0x02
 58
 59#define ADAV80X_PLL_CTRL2_FIELD(pll, x)		((x) << ((pll) * 4))
 60
 61#define ADAV80X_PLL_CTRL2_FS_48(pll)	ADAV80X_PLL_CTRL2_FIELD((pll), 0x00)
 62#define ADAV80X_PLL_CTRL2_FS_32(pll)	ADAV80X_PLL_CTRL2_FIELD((pll), 0x08)
 63#define ADAV80X_PLL_CTRL2_FS_44(pll)	ADAV80X_PLL_CTRL2_FIELD((pll), 0x0c)
 64
 65#define ADAV80X_PLL_CTRL2_SEL(pll)	ADAV80X_PLL_CTRL2_FIELD((pll), 0x02)
 66#define ADAV80X_PLL_CTRL2_DOUB(pll)	ADAV80X_PLL_CTRL2_FIELD((pll), 0x01)
 67#define ADAV80X_PLL_CTRL2_PLL_MASK(pll) ADAV80X_PLL_CTRL2_FIELD((pll), 0x0f)
 68
 69#define ADAV80X_ADC_CTRL1_MODULATOR_MASK	0x80
 70#define ADAV80X_ADC_CTRL1_MODULATOR_128FS	0x00
 71#define ADAV80X_ADC_CTRL1_MODULATOR_64FS	0x80
 72
 73#define ADAV80X_DAC_CTRL1_PD			0x80
 74
 75#define ADAV80X_DAC_CTRL2_DIV1			0x00
 76#define ADAV80X_DAC_CTRL2_DIV1_5		0x10
 77#define ADAV80X_DAC_CTRL2_DIV2			0x20
 78#define ADAV80X_DAC_CTRL2_DIV3			0x30
 79#define ADAV80X_DAC_CTRL2_DIV_MASK		0x30
 80
 81#define ADAV80X_DAC_CTRL2_INTERPOL_256FS	0x00
 82#define ADAV80X_DAC_CTRL2_INTERPOL_128FS	0x40
 83#define ADAV80X_DAC_CTRL2_INTERPOL_64FS		0x80
 84#define ADAV80X_DAC_CTRL2_INTERPOL_MASK		0xc0
 85
 86#define ADAV80X_DAC_CTRL2_DEEMPH_NONE		0x00
 87#define ADAV80X_DAC_CTRL2_DEEMPH_44		0x01
 88#define ADAV80X_DAC_CTRL2_DEEMPH_32		0x02
 89#define ADAV80X_DAC_CTRL2_DEEMPH_48		0x03
 90#define ADAV80X_DAC_CTRL2_DEEMPH_MASK		0x01
 91
 92#define ADAV80X_CAPTURE_MODE_MASTER		0x20
 93#define ADAV80X_CAPTURE_WORD_LEN24		0x00
 94#define ADAV80X_CAPTURE_WORD_LEN20		0x04
 95#define ADAV80X_CAPTRUE_WORD_LEN18		0x08
 96#define ADAV80X_CAPTURE_WORD_LEN16		0x0c
 97#define ADAV80X_CAPTURE_WORD_LEN_MASK		0x0c
 98
 99#define ADAV80X_CAPTURE_MODE_LEFT_J		0x00
100#define ADAV80X_CAPTURE_MODE_I2S		0x01
101#define ADAV80X_CAPTURE_MODE_RIGHT_J		0x03
102#define ADAV80X_CAPTURE_MODE_MASK		0x03
103
104#define ADAV80X_PLAYBACK_MODE_MASTER		0x10
105#define ADAV80X_PLAYBACK_MODE_LEFT_J		0x00
106#define ADAV80X_PLAYBACK_MODE_I2S		0x01
107#define ADAV80X_PLAYBACK_MODE_RIGHT_J_24	0x04
108#define ADAV80X_PLAYBACK_MODE_RIGHT_J_20	0x05
109#define ADAV80X_PLAYBACK_MODE_RIGHT_J_18	0x06
110#define ADAV80X_PLAYBACK_MODE_RIGHT_J_16	0x07
111#define ADAV80X_PLAYBACK_MODE_MASK		0x07
112
113#define ADAV80X_PLL_OUTE_SYSCLKPD(x)		BIT(2 - (x))
114
115static const struct reg_default adav80x_reg_defaults[] = {
116	{ ADAV80X_PLAYBACK_CTRL,	0x01 },
117	{ ADAV80X_AUX_IN_CTRL,		0x01 },
118	{ ADAV80X_REC_CTRL,		0x02 },
119	{ ADAV80X_AUX_OUT_CTRL,		0x01 },
120	{ ADAV80X_DPATH_CTRL1,		0xc0 },
121	{ ADAV80X_DPATH_CTRL2,		0x11 },
122	{ ADAV80X_DAC_CTRL1,		0x00 },
123	{ ADAV80X_DAC_CTRL2,		0x00 },
124	{ ADAV80X_DAC_CTRL3,		0x00 },
125	{ ADAV80X_DAC_L_VOL,		0xff },
126	{ ADAV80X_DAC_R_VOL,		0xff },
127	{ ADAV80X_PGA_L_VOL,		0x00 },
128	{ ADAV80X_PGA_R_VOL,		0x00 },
129	{ ADAV80X_ADC_CTRL1,		0x00 },
130	{ ADAV80X_ADC_CTRL2,		0x00 },
131	{ ADAV80X_ADC_L_VOL,		0xff },
132	{ ADAV80X_ADC_R_VOL,		0xff },
133	{ ADAV80X_PLL_CTRL1,		0x00 },
134	{ ADAV80X_PLL_CTRL2,		0x00 },
135	{ ADAV80X_ICLK_CTRL1,		0x00 },
136	{ ADAV80X_ICLK_CTRL2,		0x00 },
137	{ ADAV80X_PLL_CLK_SRC,		0x00 },
138	{ ADAV80X_PLL_OUTE,		0x00 },
139};
140
141struct adav80x {
142	struct regmap *regmap;
143
144	enum adav80x_clk_src clk_src;
145	unsigned int sysclk;
146	enum adav80x_pll_src pll_src;
147
148	unsigned int dai_fmt[2];
149	unsigned int rate;
150	bool deemph;
151	bool sysclk_pd[3];
152};
153
154static const char *adav80x_mux_text[] = {
155	"ADC",
156	"Playback",
157	"Aux Playback",
158};
159
160static const unsigned int adav80x_mux_values[] = {
161	0, 2, 3,
162};
163
164#define ADAV80X_MUX_ENUM_DECL(name, reg, shift) \
165	SOC_VALUE_ENUM_DOUBLE_DECL(name, reg, shift, 7, \
166		ARRAY_SIZE(adav80x_mux_text), adav80x_mux_text, \
167		adav80x_mux_values)
168
169static ADAV80X_MUX_ENUM_DECL(adav80x_aux_capture_enum, ADAV80X_DPATH_CTRL1, 0);
170static ADAV80X_MUX_ENUM_DECL(adav80x_capture_enum, ADAV80X_DPATH_CTRL1, 3);
171static ADAV80X_MUX_ENUM_DECL(adav80x_dac_enum, ADAV80X_DPATH_CTRL2, 3);
172
173static const struct snd_kcontrol_new adav80x_aux_capture_mux_ctrl =
174	SOC_DAPM_ENUM("Route", adav80x_aux_capture_enum);
175static const struct snd_kcontrol_new adav80x_capture_mux_ctrl =
176	SOC_DAPM_ENUM("Route", adav80x_capture_enum);
177static const struct snd_kcontrol_new adav80x_dac_mux_ctrl =
178	SOC_DAPM_ENUM("Route", adav80x_dac_enum);
179
180#define ADAV80X_MUX(name, ctrl) \
181	SND_SOC_DAPM_MUX(name, SND_SOC_NOPM, 0, 0, ctrl)
182
183static const struct snd_soc_dapm_widget adav80x_dapm_widgets[] = {
184	SND_SOC_DAPM_DAC("DAC", NULL, ADAV80X_DAC_CTRL1, 7, 1),
185	SND_SOC_DAPM_ADC("ADC", NULL, ADAV80X_ADC_CTRL1, 5, 1),
186
187	SND_SOC_DAPM_PGA("Right PGA", ADAV80X_ADC_CTRL1, 0, 1, NULL, 0),
188	SND_SOC_DAPM_PGA("Left PGA", ADAV80X_ADC_CTRL1, 1, 1, NULL, 0),
189
190	SND_SOC_DAPM_AIF_OUT("AIFOUT", "HiFi Capture", 0, SND_SOC_NOPM, 0, 0),
191	SND_SOC_DAPM_AIF_IN("AIFIN", "HiFi Playback", 0, SND_SOC_NOPM, 0, 0),
192
193	SND_SOC_DAPM_AIF_OUT("AIFAUXOUT", "Aux Capture", 0, SND_SOC_NOPM, 0, 0),
194	SND_SOC_DAPM_AIF_IN("AIFAUXIN", "Aux Playback", 0, SND_SOC_NOPM, 0, 0),
195
196	ADAV80X_MUX("Aux Capture Select", &adav80x_aux_capture_mux_ctrl),
197	ADAV80X_MUX("Capture Select", &adav80x_capture_mux_ctrl),
198	ADAV80X_MUX("DAC Select", &adav80x_dac_mux_ctrl),
199
200	SND_SOC_DAPM_INPUT("VINR"),
201	SND_SOC_DAPM_INPUT("VINL"),
202	SND_SOC_DAPM_OUTPUT("VOUTR"),
203	SND_SOC_DAPM_OUTPUT("VOUTL"),
204
205	SND_SOC_DAPM_SUPPLY("SYSCLK", SND_SOC_NOPM, 0, 0, NULL, 0),
206	SND_SOC_DAPM_SUPPLY("PLL1", ADAV80X_PLL_CTRL1, 2, 1, NULL, 0),
207	SND_SOC_DAPM_SUPPLY("PLL2", ADAV80X_PLL_CTRL1, 3, 1, NULL, 0),
208	SND_SOC_DAPM_SUPPLY("OSC", ADAV80X_PLL_CTRL1, 1, 1, NULL, 0),
209};
210
211static int adav80x_dapm_sysclk_check(struct snd_soc_dapm_widget *source,
212			 struct snd_soc_dapm_widget *sink)
213{
214	struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
215	struct adav80x *adav80x = snd_soc_component_get_drvdata(component);
216	const char *clk;
217
218	switch (adav80x->clk_src) {
219	case ADAV80X_CLK_PLL1:
220		clk = "PLL1";
221		break;
222	case ADAV80X_CLK_PLL2:
223		clk = "PLL2";
224		break;
225	case ADAV80X_CLK_XTAL:
226		clk = "OSC";
227		break;
228	default:
229		return 0;
230	}
231
232	return snd_soc_dapm_widget_name_cmp(source, clk) == 0;
233}
234
235static int adav80x_dapm_pll_check(struct snd_soc_dapm_widget *source,
236			 struct snd_soc_dapm_widget *sink)
237{
238	struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
239	struct adav80x *adav80x = snd_soc_component_get_drvdata(component);
240
241	return adav80x->pll_src == ADAV80X_PLL_SRC_XTAL;
242}
243
244
245static const struct snd_soc_dapm_route adav80x_dapm_routes[] = {
246	{ "DAC Select", "ADC", "ADC" },
247	{ "DAC Select", "Playback", "AIFIN" },
248	{ "DAC Select", "Aux Playback", "AIFAUXIN" },
249	{ "DAC", NULL,  "DAC Select" },
250
251	{ "Capture Select", "ADC", "ADC" },
252	{ "Capture Select", "Playback", "AIFIN" },
253	{ "Capture Select", "Aux Playback", "AIFAUXIN" },
254	{ "AIFOUT", NULL,  "Capture Select" },
255
256	{ "Aux Capture Select", "ADC", "ADC" },
257	{ "Aux Capture Select", "Playback", "AIFIN" },
258	{ "Aux Capture Select", "Aux Playback", "AIFAUXIN" },
259	{ "AIFAUXOUT", NULL,  "Aux Capture Select" },
260
261	{ "VOUTR",  NULL, "DAC" },
262	{ "VOUTL",  NULL, "DAC" },
263
264	{ "Left PGA", NULL, "VINL" },
265	{ "Right PGA", NULL, "VINR" },
266	{ "ADC", NULL, "Left PGA" },
267	{ "ADC", NULL, "Right PGA" },
268
269	{ "SYSCLK", NULL, "PLL1", adav80x_dapm_sysclk_check },
270	{ "SYSCLK", NULL, "PLL2", adav80x_dapm_sysclk_check },
271	{ "SYSCLK", NULL, "OSC", adav80x_dapm_sysclk_check },
272	{ "PLL1", NULL, "OSC", adav80x_dapm_pll_check },
273	{ "PLL2", NULL, "OSC", adav80x_dapm_pll_check },
274
275	{ "ADC", NULL, "SYSCLK" },
276	{ "DAC", NULL, "SYSCLK" },
277	{ "AIFOUT", NULL, "SYSCLK" },
278	{ "AIFAUXOUT", NULL, "SYSCLK" },
279	{ "AIFIN", NULL, "SYSCLK" },
280	{ "AIFAUXIN", NULL, "SYSCLK" },
281};
282
283static int adav80x_set_deemph(struct snd_soc_component *component)
284{
285	struct adav80x *adav80x = snd_soc_component_get_drvdata(component);
286	unsigned int val;
287
288	if (adav80x->deemph) {
289		switch (adav80x->rate) {
290		case 32000:
291			val = ADAV80X_DAC_CTRL2_DEEMPH_32;
292			break;
293		case 44100:
294			val = ADAV80X_DAC_CTRL2_DEEMPH_44;
295			break;
296		case 48000:
297		case 64000:
298		case 88200:
299		case 96000:
300			val = ADAV80X_DAC_CTRL2_DEEMPH_48;
301			break;
302		default:
303			val = ADAV80X_DAC_CTRL2_DEEMPH_NONE;
304			break;
305		}
306	} else {
307		val = ADAV80X_DAC_CTRL2_DEEMPH_NONE;
308	}
309
310	return regmap_update_bits(adav80x->regmap, ADAV80X_DAC_CTRL2,
311		ADAV80X_DAC_CTRL2_DEEMPH_MASK, val);
312}
313
314static int adav80x_put_deemph(struct snd_kcontrol *kcontrol,
315		struct snd_ctl_elem_value *ucontrol)
316{
317	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
318	struct adav80x *adav80x = snd_soc_component_get_drvdata(component);
319	unsigned int deemph = ucontrol->value.integer.value[0];
320
321	if (deemph > 1)
322		return -EINVAL;
323
324	adav80x->deemph = deemph;
325
326	return adav80x_set_deemph(component);
327}
328
329static int adav80x_get_deemph(struct snd_kcontrol *kcontrol,
330				struct snd_ctl_elem_value *ucontrol)
331{
332	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
333	struct adav80x *adav80x = snd_soc_component_get_drvdata(component);
334
335	ucontrol->value.integer.value[0] = adav80x->deemph;
336	return 0;
337};
338
339static const DECLARE_TLV_DB_SCALE(adav80x_inpga_tlv, 0, 50, 0);
340static const DECLARE_TLV_DB_MINMAX(adav80x_digital_tlv, -9563, 0);
341
342static const struct snd_kcontrol_new adav80x_controls[] = {
343	SOC_DOUBLE_R_TLV("Master Playback Volume", ADAV80X_DAC_L_VOL,
344		ADAV80X_DAC_R_VOL, 0, 0xff, 0, adav80x_digital_tlv),
345	SOC_DOUBLE_R_TLV("Master Capture Volume", ADAV80X_ADC_L_VOL,
346			ADAV80X_ADC_R_VOL, 0, 0xff, 0, adav80x_digital_tlv),
347
348	SOC_DOUBLE_R_TLV("PGA Capture Volume", ADAV80X_PGA_L_VOL,
349			ADAV80X_PGA_R_VOL, 0, 0x30, 0, adav80x_inpga_tlv),
350
351	SOC_DOUBLE("Master Playback Switch", ADAV80X_DAC_CTRL1, 0, 1, 1, 0),
352	SOC_DOUBLE("Master Capture Switch", ADAV80X_ADC_CTRL1, 2, 3, 1, 1),
353
354	SOC_SINGLE("ADC High Pass Filter Switch", ADAV80X_ADC_CTRL1, 6, 1, 0),
355
356	SOC_SINGLE_BOOL_EXT("Playback De-emphasis Switch", 0,
357			adav80x_get_deemph, adav80x_put_deemph),
358};
359
360static unsigned int adav80x_port_ctrl_regs[2][2] = {
361	{ ADAV80X_REC_CTRL, ADAV80X_PLAYBACK_CTRL, },
362	{ ADAV80X_AUX_OUT_CTRL, ADAV80X_AUX_IN_CTRL },
363};
364
365static int adav80x_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
366{
367	struct snd_soc_component *component = dai->component;
368	struct adav80x *adav80x = snd_soc_component_get_drvdata(component);
369	unsigned int capture = 0x00;
370	unsigned int playback = 0x00;
371
372	switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
373	case SND_SOC_DAIFMT_CBP_CFP:
374		capture |= ADAV80X_CAPTURE_MODE_MASTER;
375		playback |= ADAV80X_PLAYBACK_MODE_MASTER;
376		break;
377	case SND_SOC_DAIFMT_CBC_CFC:
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_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
435static 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
453static 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
482static 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
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_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
537static 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
622static 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		fallthrough;
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
698static 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 */
723static 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_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
736static 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_active(component))
743		adav80x->rate = 0;
744}
745
746static 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
762static 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
803static 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
820static 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
829static 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};
846
847int adav80x_bus_probe(struct device *dev, struct regmap *regmap)
848{
849	struct adav80x *adav80x;
850
851	if (IS_ERR(regmap))
852		return PTR_ERR(regmap);
853
854	adav80x = devm_kzalloc(dev, sizeof(*adav80x), GFP_KERNEL);
855	if (!adav80x)
856		return -ENOMEM;
857
858	dev_set_drvdata(dev, adav80x);
859	adav80x->regmap = regmap;
860
861	return devm_snd_soc_register_component(dev, &adav80x_component_driver,
862		adav80x_dais, ARRAY_SIZE(adav80x_dais));
863}
864EXPORT_SYMBOL_GPL(adav80x_bus_probe);
865
866const struct regmap_config adav80x_regmap_config = {
867	.val_bits = 8,
868	.pad_bits = 1,
869	.reg_bits = 7,
870
871	.max_register = ADAV80X_PLL_OUTE,
872
873	.cache_type = REGCACHE_MAPLE,
874	.reg_defaults = adav80x_reg_defaults,
875	.num_reg_defaults = ARRAY_SIZE(adav80x_reg_defaults),
876};
877EXPORT_SYMBOL_GPL(adav80x_regmap_config);
878
879MODULE_DESCRIPTION("ASoC ADAV80x driver");
880MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
881MODULE_AUTHOR("Yi Li <yi.li@analog.com>>");
882MODULE_LICENSE("GPL");
v4.6
 
  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
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	/* freq_out = sample_rate * 256 */
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/* Enforce the same sample rate on all audio interfaces */
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	/* Force PLLs on for SYSCLK output */
808	snd_soc_dapm_force_enable_pin(dapm, "PLL1");
809	snd_soc_dapm_force_enable_pin(dapm, "PLL2");
810
811	/* Power down S/PDIF receiver, since it is currently not supported */
812	regmap_write(adav80x->regmap, ADAV80X_PLL_OUTE, 0x20);
813	/* Disable DAC zero flag */
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");