xref: /openbmc/linux/sound/soc/codecs/wm8960.c (revision 41a59cae)
1f2644a2cSMark Brown /*
2f2644a2cSMark Brown  * wm8960.c  --  WM8960 ALSA SoC Audio driver
3f2644a2cSMark Brown  *
4656baaebSMark Brown  * Copyright 2007-11 Wolfson Microelectronics, plc
5656baaebSMark Brown  *
6f2644a2cSMark Brown  * Author: Liam Girdwood
7f2644a2cSMark Brown  *
8f2644a2cSMark Brown  * This program is free software; you can redistribute it and/or modify
9f2644a2cSMark Brown  * it under the terms of the GNU General Public License version 2 as
10f2644a2cSMark Brown  * published by the Free Software Foundation.
11f2644a2cSMark Brown  */
12f2644a2cSMark Brown 
13f2644a2cSMark Brown #include <linux/module.h>
14f2644a2cSMark Brown #include <linux/moduleparam.h>
15f2644a2cSMark Brown #include <linux/init.h>
16f2644a2cSMark Brown #include <linux/delay.h>
17f2644a2cSMark Brown #include <linux/pm.h>
1875aa8868SZidan Wang #include <linux/clk.h>
19f2644a2cSMark Brown #include <linux/i2c.h>
205a0e3ad6STejun Heo #include <linux/slab.h>
21f2644a2cSMark Brown #include <sound/core.h>
22f2644a2cSMark Brown #include <sound/pcm.h>
23f2644a2cSMark Brown #include <sound/pcm_params.h>
24f2644a2cSMark Brown #include <sound/soc.h>
25f2644a2cSMark Brown #include <sound/initval.h>
26f2644a2cSMark Brown #include <sound/tlv.h>
27b6877a47SMark Brown #include <sound/wm8960.h>
28f2644a2cSMark Brown 
29f2644a2cSMark Brown #include "wm8960.h"
30f2644a2cSMark Brown 
31f2644a2cSMark Brown /* R25 - Power 1 */
32913d7b4cSMark Brown #define WM8960_VMID_MASK 0x180
33f2644a2cSMark Brown #define WM8960_VREF      0x40
34f2644a2cSMark Brown 
35913d7b4cSMark Brown /* R26 - Power 2 */
36913d7b4cSMark Brown #define WM8960_PWR2_LOUT1	0x40
37913d7b4cSMark Brown #define WM8960_PWR2_ROUT1	0x20
38913d7b4cSMark Brown #define WM8960_PWR2_OUT3	0x02
39913d7b4cSMark Brown 
40f2644a2cSMark Brown /* R28 - Anti-pop 1 */
41f2644a2cSMark Brown #define WM8960_POBCTRL   0x80
42f2644a2cSMark Brown #define WM8960_BUFDCOPEN 0x10
43f2644a2cSMark Brown #define WM8960_BUFIOEN   0x08
44f2644a2cSMark Brown #define WM8960_SOFT_ST   0x04
45f2644a2cSMark Brown #define WM8960_HPSTBY    0x01
46f2644a2cSMark Brown 
47f2644a2cSMark Brown /* R29 - Anti-pop 2 */
48f2644a2cSMark Brown #define WM8960_DISOP     0x40
49913d7b4cSMark Brown #define WM8960_DRES_MASK 0x30
50f2644a2cSMark Brown 
513176bf2dSZidan Wang static bool is_pll_freq_available(unsigned int source, unsigned int target);
523176bf2dSZidan Wang static int wm8960_set_pll(struct snd_soc_codec *codec,
533176bf2dSZidan Wang 		unsigned int freq_in, unsigned int freq_out);
54f2644a2cSMark Brown /*
55f2644a2cSMark Brown  * wm8960 register cache
56f2644a2cSMark Brown  * We can't read the WM8960 register space when we are
57f2644a2cSMark Brown  * using 2 wire for device control, so we cache them instead.
58f2644a2cSMark Brown  */
590ebe36c6SMark Brown static const struct reg_default wm8960_reg_defaults[] = {
60b3df026eSMark Brown 	{  0x0, 0x00a7 },
61b3df026eSMark Brown 	{  0x1, 0x00a7 },
620ebe36c6SMark Brown 	{  0x2, 0x0000 },
630ebe36c6SMark Brown 	{  0x3, 0x0000 },
640ebe36c6SMark Brown 	{  0x4, 0x0000 },
650ebe36c6SMark Brown 	{  0x5, 0x0008 },
660ebe36c6SMark Brown 	{  0x6, 0x0000 },
670ebe36c6SMark Brown 	{  0x7, 0x000a },
680ebe36c6SMark Brown 	{  0x8, 0x01c0 },
690ebe36c6SMark Brown 	{  0x9, 0x0000 },
700ebe36c6SMark Brown 	{  0xa, 0x00ff },
710ebe36c6SMark Brown 	{  0xb, 0x00ff },
720ebe36c6SMark Brown 
730ebe36c6SMark Brown 	{ 0x10, 0x0000 },
740ebe36c6SMark Brown 	{ 0x11, 0x007b },
750ebe36c6SMark Brown 	{ 0x12, 0x0100 },
760ebe36c6SMark Brown 	{ 0x13, 0x0032 },
770ebe36c6SMark Brown 	{ 0x14, 0x0000 },
780ebe36c6SMark Brown 	{ 0x15, 0x00c3 },
790ebe36c6SMark Brown 	{ 0x16, 0x00c3 },
800ebe36c6SMark Brown 	{ 0x17, 0x01c0 },
810ebe36c6SMark Brown 	{ 0x18, 0x0000 },
820ebe36c6SMark Brown 	{ 0x19, 0x0000 },
830ebe36c6SMark Brown 	{ 0x1a, 0x0000 },
840ebe36c6SMark Brown 	{ 0x1b, 0x0000 },
850ebe36c6SMark Brown 	{ 0x1c, 0x0000 },
860ebe36c6SMark Brown 	{ 0x1d, 0x0000 },
870ebe36c6SMark Brown 
880ebe36c6SMark Brown 	{ 0x20, 0x0100 },
890ebe36c6SMark Brown 	{ 0x21, 0x0100 },
900ebe36c6SMark Brown 	{ 0x22, 0x0050 },
910ebe36c6SMark Brown 
920ebe36c6SMark Brown 	{ 0x25, 0x0050 },
930ebe36c6SMark Brown 	{ 0x26, 0x0000 },
940ebe36c6SMark Brown 	{ 0x27, 0x0000 },
950ebe36c6SMark Brown 	{ 0x28, 0x0000 },
960ebe36c6SMark Brown 	{ 0x29, 0x0000 },
970ebe36c6SMark Brown 	{ 0x2a, 0x0040 },
980ebe36c6SMark Brown 	{ 0x2b, 0x0000 },
990ebe36c6SMark Brown 	{ 0x2c, 0x0000 },
1000ebe36c6SMark Brown 	{ 0x2d, 0x0050 },
1010ebe36c6SMark Brown 	{ 0x2e, 0x0050 },
1020ebe36c6SMark Brown 	{ 0x2f, 0x0000 },
1030ebe36c6SMark Brown 	{ 0x30, 0x0002 },
1040ebe36c6SMark Brown 	{ 0x31, 0x0037 },
1050ebe36c6SMark Brown 
1060ebe36c6SMark Brown 	{ 0x33, 0x0080 },
1070ebe36c6SMark Brown 	{ 0x34, 0x0008 },
1080ebe36c6SMark Brown 	{ 0x35, 0x0031 },
1090ebe36c6SMark Brown 	{ 0x36, 0x0026 },
1100ebe36c6SMark Brown 	{ 0x37, 0x00e9 },
111f2644a2cSMark Brown };
112f2644a2cSMark Brown 
1130ebe36c6SMark Brown static bool wm8960_volatile(struct device *dev, unsigned int reg)
1140ebe36c6SMark Brown {
1150ebe36c6SMark Brown 	switch (reg) {
1160ebe36c6SMark Brown 	case WM8960_RESET:
1170ebe36c6SMark Brown 		return true;
1180ebe36c6SMark Brown 	default:
1190ebe36c6SMark Brown 		return false;
1200ebe36c6SMark Brown 	}
1210ebe36c6SMark Brown }
1220ebe36c6SMark Brown 
123f2644a2cSMark Brown struct wm8960_priv {
12475aa8868SZidan Wang 	struct clk *mclk;
1250ebe36c6SMark Brown 	struct regmap *regmap;
126f0fba2adSLiam Girdwood 	int (*set_bias_level)(struct snd_soc_codec *,
127f0fba2adSLiam Girdwood 			      enum snd_soc_bias_level level);
128913d7b4cSMark Brown 	struct snd_soc_dapm_widget *lout1;
129913d7b4cSMark Brown 	struct snd_soc_dapm_widget *rout1;
130913d7b4cSMark Brown 	struct snd_soc_dapm_widget *out3;
131afd6d36aSMark Brown 	bool deemph;
1323176bf2dSZidan Wang 	int lrclk;
1330e50b51aSZidan Wang 	int bclk;
1340e50b51aSZidan Wang 	int sysclk;
1353176bf2dSZidan Wang 	int clk_id;
1363176bf2dSZidan Wang 	int freq_in;
1373176bf2dSZidan Wang 	bool is_stream_in_use[2];
138e2280c90SZidan Wang 	struct wm8960_data pdata;
139f2644a2cSMark Brown };
140f2644a2cSMark Brown 
1413ad5e861SZidan Wang #define wm8960_reset(c)	regmap_write(c, WM8960_RESET, 0)
142f2644a2cSMark Brown 
143f2644a2cSMark Brown /* enumerated controls */
144f2644a2cSMark Brown static const char *wm8960_polarity[] = {"No Inversion", "Left Inverted",
145f2644a2cSMark Brown 	"Right Inverted", "Stereo Inversion"};
146f2644a2cSMark Brown static const char *wm8960_3d_upper_cutoff[] = {"High", "Low"};
147f2644a2cSMark Brown static const char *wm8960_3d_lower_cutoff[] = {"Low", "High"};
148f2644a2cSMark Brown static const char *wm8960_alcfunc[] = {"Off", "Right", "Left", "Stereo"};
149f2644a2cSMark Brown static const char *wm8960_alcmode[] = {"ALC", "Limiter"};
150f2644a2cSMark Brown 
151f2644a2cSMark Brown static const struct soc_enum wm8960_enum[] = {
152f2644a2cSMark Brown 	SOC_ENUM_SINGLE(WM8960_DACCTL1, 5, 4, wm8960_polarity),
153f2644a2cSMark Brown 	SOC_ENUM_SINGLE(WM8960_DACCTL2, 5, 4, wm8960_polarity),
154f2644a2cSMark Brown 	SOC_ENUM_SINGLE(WM8960_3D, 6, 2, wm8960_3d_upper_cutoff),
155f2644a2cSMark Brown 	SOC_ENUM_SINGLE(WM8960_3D, 5, 2, wm8960_3d_lower_cutoff),
156f2644a2cSMark Brown 	SOC_ENUM_SINGLE(WM8960_ALC1, 7, 4, wm8960_alcfunc),
157f2644a2cSMark Brown 	SOC_ENUM_SINGLE(WM8960_ALC3, 8, 2, wm8960_alcmode),
158f2644a2cSMark Brown };
159f2644a2cSMark Brown 
160afd6d36aSMark Brown static const int deemph_settings[] = { 0, 32000, 44100, 48000 };
161afd6d36aSMark Brown 
162afd6d36aSMark Brown static int wm8960_set_deemph(struct snd_soc_codec *codec)
163afd6d36aSMark Brown {
164afd6d36aSMark Brown 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
165afd6d36aSMark Brown 	int val, i, best;
166afd6d36aSMark Brown 
167afd6d36aSMark Brown 	/* If we're using deemphasis select the nearest available sample
168afd6d36aSMark Brown 	 * rate.
169afd6d36aSMark Brown 	 */
170afd6d36aSMark Brown 	if (wm8960->deemph) {
171afd6d36aSMark Brown 		best = 1;
172afd6d36aSMark Brown 		for (i = 2; i < ARRAY_SIZE(deemph_settings); i++) {
1733176bf2dSZidan Wang 			if (abs(deemph_settings[i] - wm8960->lrclk) <
1743176bf2dSZidan Wang 			    abs(deemph_settings[best] - wm8960->lrclk))
175afd6d36aSMark Brown 				best = i;
176afd6d36aSMark Brown 		}
177afd6d36aSMark Brown 
178afd6d36aSMark Brown 		val = best << 1;
179afd6d36aSMark Brown 	} else {
180afd6d36aSMark Brown 		val = 0;
181afd6d36aSMark Brown 	}
182afd6d36aSMark Brown 
183afd6d36aSMark Brown 	dev_dbg(codec->dev, "Set deemphasis %d\n", val);
184afd6d36aSMark Brown 
185afd6d36aSMark Brown 	return snd_soc_update_bits(codec, WM8960_DACCTL1,
186afd6d36aSMark Brown 				   0x6, val);
187afd6d36aSMark Brown }
188afd6d36aSMark Brown 
189afd6d36aSMark Brown static int wm8960_get_deemph(struct snd_kcontrol *kcontrol,
190afd6d36aSMark Brown 			     struct snd_ctl_elem_value *ucontrol)
191afd6d36aSMark Brown {
192ea53bf77SLars-Peter Clausen 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
193afd6d36aSMark Brown 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
194afd6d36aSMark Brown 
195b4a18c8bSTakashi Iwai 	ucontrol->value.integer.value[0] = wm8960->deemph;
1963f343f85SDmitry Artamonow 	return 0;
197afd6d36aSMark Brown }
198afd6d36aSMark Brown 
199afd6d36aSMark Brown static int wm8960_put_deemph(struct snd_kcontrol *kcontrol,
200afd6d36aSMark Brown 			     struct snd_ctl_elem_value *ucontrol)
201afd6d36aSMark Brown {
202ea53bf77SLars-Peter Clausen 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
203afd6d36aSMark Brown 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
204b4a18c8bSTakashi Iwai 	int deemph = ucontrol->value.integer.value[0];
205afd6d36aSMark Brown 
206afd6d36aSMark Brown 	if (deemph > 1)
207afd6d36aSMark Brown 		return -EINVAL;
208afd6d36aSMark Brown 
209afd6d36aSMark Brown 	wm8960->deemph = deemph;
210afd6d36aSMark Brown 
211afd6d36aSMark Brown 	return wm8960_set_deemph(codec);
212afd6d36aSMark Brown }
213afd6d36aSMark Brown 
214f2644a2cSMark Brown static const DECLARE_TLV_DB_SCALE(adc_tlv, -9700, 50, 0);
215f2644a2cSMark Brown static const DECLARE_TLV_DB_SCALE(dac_tlv, -12700, 50, 1);
216f2644a2cSMark Brown static const DECLARE_TLV_DB_SCALE(bypass_tlv, -2100, 300, 0);
217f2644a2cSMark Brown static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1);
21821eb2693SMark Brown static const DECLARE_TLV_DB_SCALE(boost_tlv, -1200, 300, 1);
219f2644a2cSMark Brown 
220f2644a2cSMark Brown static const struct snd_kcontrol_new wm8960_snd_controls[] = {
221f2644a2cSMark Brown SOC_DOUBLE_R_TLV("Capture Volume", WM8960_LINVOL, WM8960_RINVOL,
222f2644a2cSMark Brown 		 0, 63, 0, adc_tlv),
223f2644a2cSMark Brown SOC_DOUBLE_R("Capture Volume ZC Switch", WM8960_LINVOL, WM8960_RINVOL,
224f2644a2cSMark Brown 	6, 1, 0),
225f2644a2cSMark Brown SOC_DOUBLE_R("Capture Switch", WM8960_LINVOL, WM8960_RINVOL,
22641a59caeSJongHo Kim 	7, 1, 1),
227f2644a2cSMark Brown 
22821eb2693SMark Brown SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT3 Volume",
22921eb2693SMark Brown 	       WM8960_INBMIX1, 4, 7, 0, boost_tlv),
23021eb2693SMark Brown SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT2 Volume",
23121eb2693SMark Brown 	       WM8960_INBMIX1, 1, 7, 0, boost_tlv),
23221eb2693SMark Brown SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT3 Volume",
23321eb2693SMark Brown 	       WM8960_INBMIX2, 4, 7, 0, boost_tlv),
23421eb2693SMark Brown SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT2 Volume",
23521eb2693SMark Brown 	       WM8960_INBMIX2, 1, 7, 0, boost_tlv),
23621eb2693SMark Brown 
237f2644a2cSMark Brown SOC_DOUBLE_R_TLV("Playback Volume", WM8960_LDAC, WM8960_RDAC,
238f2644a2cSMark Brown 		 0, 255, 0, dac_tlv),
239f2644a2cSMark Brown 
240f2644a2cSMark Brown SOC_DOUBLE_R_TLV("Headphone Playback Volume", WM8960_LOUT1, WM8960_ROUT1,
241f2644a2cSMark Brown 		 0, 127, 0, out_tlv),
242f2644a2cSMark Brown SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8960_LOUT1, WM8960_ROUT1,
243f2644a2cSMark Brown 	7, 1, 0),
244f2644a2cSMark Brown 
245f2644a2cSMark Brown SOC_DOUBLE_R_TLV("Speaker Playback Volume", WM8960_LOUT2, WM8960_ROUT2,
246f2644a2cSMark Brown 		 0, 127, 0, out_tlv),
247f2644a2cSMark Brown SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8960_LOUT2, WM8960_ROUT2,
248f2644a2cSMark Brown 	7, 1, 0),
249f2644a2cSMark Brown SOC_SINGLE("Speaker DC Volume", WM8960_CLASSD3, 3, 5, 0),
250f2644a2cSMark Brown SOC_SINGLE("Speaker AC Volume", WM8960_CLASSD3, 0, 5, 0),
251f2644a2cSMark Brown 
252f2644a2cSMark Brown SOC_SINGLE("PCM Playback -6dB Switch", WM8960_DACCTL1, 7, 1, 0),
2534faaa8d9SMark Brown SOC_ENUM("ADC Polarity", wm8960_enum[0]),
254f2644a2cSMark Brown SOC_SINGLE("ADC High Pass Filter Switch", WM8960_DACCTL1, 0, 1, 0),
255f2644a2cSMark Brown 
256a077e81eSZidan Wang SOC_ENUM("DAC Polarity", wm8960_enum[1]),
257afd6d36aSMark Brown SOC_SINGLE_BOOL_EXT("DAC Deemphasis Switch", 0,
258afd6d36aSMark Brown 		    wm8960_get_deemph, wm8960_put_deemph),
259f2644a2cSMark Brown 
2604faaa8d9SMark Brown SOC_ENUM("3D Filter Upper Cut-Off", wm8960_enum[2]),
2614faaa8d9SMark Brown SOC_ENUM("3D Filter Lower Cut-Off", wm8960_enum[3]),
262f2644a2cSMark Brown SOC_SINGLE("3D Volume", WM8960_3D, 1, 15, 0),
263f2644a2cSMark Brown SOC_SINGLE("3D Switch", WM8960_3D, 0, 1, 0),
264f2644a2cSMark Brown 
2654faaa8d9SMark Brown SOC_ENUM("ALC Function", wm8960_enum[4]),
266f2644a2cSMark Brown SOC_SINGLE("ALC Max Gain", WM8960_ALC1, 4, 7, 0),
267f2644a2cSMark Brown SOC_SINGLE("ALC Target", WM8960_ALC1, 0, 15, 1),
268f2644a2cSMark Brown SOC_SINGLE("ALC Min Gain", WM8960_ALC2, 4, 7, 0),
269f2644a2cSMark Brown SOC_SINGLE("ALC Hold Time", WM8960_ALC2, 0, 15, 0),
2704faaa8d9SMark Brown SOC_ENUM("ALC Mode", wm8960_enum[5]),
271f2644a2cSMark Brown SOC_SINGLE("ALC Decay", WM8960_ALC3, 4, 15, 0),
272f2644a2cSMark Brown SOC_SINGLE("ALC Attack", WM8960_ALC3, 0, 15, 0),
273f2644a2cSMark Brown 
274f2644a2cSMark Brown SOC_SINGLE("Noise Gate Threshold", WM8960_NOISEG, 3, 31, 0),
275f2644a2cSMark Brown SOC_SINGLE("Noise Gate Switch", WM8960_NOISEG, 0, 1, 0),
276f2644a2cSMark Brown 
277c324aac0SMa Haijun SOC_DOUBLE_R_TLV("ADC PCM Capture Volume", WM8960_LADC, WM8960_RADC,
278c324aac0SMa Haijun 	0, 255, 0, adc_tlv),
279f2644a2cSMark Brown 
280f2644a2cSMark Brown SOC_SINGLE_TLV("Left Output Mixer Boost Bypass Volume",
281f2644a2cSMark Brown 	       WM8960_BYPASS1, 4, 7, 1, bypass_tlv),
282f2644a2cSMark Brown SOC_SINGLE_TLV("Left Output Mixer LINPUT3 Volume",
283f2644a2cSMark Brown 	       WM8960_LOUTMIX, 4, 7, 1, bypass_tlv),
284f2644a2cSMark Brown SOC_SINGLE_TLV("Right Output Mixer Boost Bypass Volume",
285f2644a2cSMark Brown 	       WM8960_BYPASS2, 4, 7, 1, bypass_tlv),
286f2644a2cSMark Brown SOC_SINGLE_TLV("Right Output Mixer RINPUT3 Volume",
287f2644a2cSMark Brown 	       WM8960_ROUTMIX, 4, 7, 1, bypass_tlv),
288f2644a2cSMark Brown };
289f2644a2cSMark Brown 
290f2644a2cSMark Brown static const struct snd_kcontrol_new wm8960_lin_boost[] = {
291f2644a2cSMark Brown SOC_DAPM_SINGLE("LINPUT2 Switch", WM8960_LINPATH, 6, 1, 0),
292f2644a2cSMark Brown SOC_DAPM_SINGLE("LINPUT3 Switch", WM8960_LINPATH, 7, 1, 0),
293f2644a2cSMark Brown SOC_DAPM_SINGLE("LINPUT1 Switch", WM8960_LINPATH, 8, 1, 0),
294f2644a2cSMark Brown };
295f2644a2cSMark Brown 
296f2644a2cSMark Brown static const struct snd_kcontrol_new wm8960_lin[] = {
297f2644a2cSMark Brown SOC_DAPM_SINGLE("Boost Switch", WM8960_LINPATH, 3, 1, 0),
298f2644a2cSMark Brown };
299f2644a2cSMark Brown 
300f2644a2cSMark Brown static const struct snd_kcontrol_new wm8960_rin_boost[] = {
301f2644a2cSMark Brown SOC_DAPM_SINGLE("RINPUT2 Switch", WM8960_RINPATH, 6, 1, 0),
302f2644a2cSMark Brown SOC_DAPM_SINGLE("RINPUT3 Switch", WM8960_RINPATH, 7, 1, 0),
303f2644a2cSMark Brown SOC_DAPM_SINGLE("RINPUT1 Switch", WM8960_RINPATH, 8, 1, 0),
304f2644a2cSMark Brown };
305f2644a2cSMark Brown 
306f2644a2cSMark Brown static const struct snd_kcontrol_new wm8960_rin[] = {
307f2644a2cSMark Brown SOC_DAPM_SINGLE("Boost Switch", WM8960_RINPATH, 3, 1, 0),
308f2644a2cSMark Brown };
309f2644a2cSMark Brown 
310f2644a2cSMark Brown static const struct snd_kcontrol_new wm8960_loutput_mixer[] = {
311f2644a2cSMark Brown SOC_DAPM_SINGLE("PCM Playback Switch", WM8960_LOUTMIX, 8, 1, 0),
312f2644a2cSMark Brown SOC_DAPM_SINGLE("LINPUT3 Switch", WM8960_LOUTMIX, 7, 1, 0),
313f2644a2cSMark Brown SOC_DAPM_SINGLE("Boost Bypass Switch", WM8960_BYPASS1, 7, 1, 0),
314f2644a2cSMark Brown };
315f2644a2cSMark Brown 
316f2644a2cSMark Brown static const struct snd_kcontrol_new wm8960_routput_mixer[] = {
317f2644a2cSMark Brown SOC_DAPM_SINGLE("PCM Playback Switch", WM8960_ROUTMIX, 8, 1, 0),
318f2644a2cSMark Brown SOC_DAPM_SINGLE("RINPUT3 Switch", WM8960_ROUTMIX, 7, 1, 0),
319f2644a2cSMark Brown SOC_DAPM_SINGLE("Boost Bypass Switch", WM8960_BYPASS2, 7, 1, 0),
320f2644a2cSMark Brown };
321f2644a2cSMark Brown 
322f2644a2cSMark Brown static const struct snd_kcontrol_new wm8960_mono_out[] = {
323f2644a2cSMark Brown SOC_DAPM_SINGLE("Left Switch", WM8960_MONOMIX1, 7, 1, 0),
324f2644a2cSMark Brown SOC_DAPM_SINGLE("Right Switch", WM8960_MONOMIX2, 7, 1, 0),
325f2644a2cSMark Brown };
326f2644a2cSMark Brown 
327f2644a2cSMark Brown static const struct snd_soc_dapm_widget wm8960_dapm_widgets[] = {
328f2644a2cSMark Brown SND_SOC_DAPM_INPUT("LINPUT1"),
329f2644a2cSMark Brown SND_SOC_DAPM_INPUT("RINPUT1"),
330f2644a2cSMark Brown SND_SOC_DAPM_INPUT("LINPUT2"),
331f2644a2cSMark Brown SND_SOC_DAPM_INPUT("RINPUT2"),
332f2644a2cSMark Brown SND_SOC_DAPM_INPUT("LINPUT3"),
333f2644a2cSMark Brown SND_SOC_DAPM_INPUT("RINPUT3"),
334f2644a2cSMark Brown 
335187774cbSMark Brown SND_SOC_DAPM_SUPPLY("MICB", WM8960_POWER1, 1, 0, NULL, 0),
336f2644a2cSMark Brown 
337f2644a2cSMark Brown SND_SOC_DAPM_MIXER("Left Boost Mixer", WM8960_POWER1, 5, 0,
338f2644a2cSMark Brown 		   wm8960_lin_boost, ARRAY_SIZE(wm8960_lin_boost)),
339f2644a2cSMark Brown SND_SOC_DAPM_MIXER("Right Boost Mixer", WM8960_POWER1, 4, 0,
340f2644a2cSMark Brown 		   wm8960_rin_boost, ARRAY_SIZE(wm8960_rin_boost)),
341f2644a2cSMark Brown 
342f2644a2cSMark Brown SND_SOC_DAPM_MIXER("Left Input Mixer", WM8960_POWER3, 5, 0,
343f2644a2cSMark Brown 		   wm8960_lin, ARRAY_SIZE(wm8960_lin)),
344f2644a2cSMark Brown SND_SOC_DAPM_MIXER("Right Input Mixer", WM8960_POWER3, 4, 0,
345f2644a2cSMark Brown 		   wm8960_rin, ARRAY_SIZE(wm8960_rin)),
346f2644a2cSMark Brown 
34744426de4SMark Brown SND_SOC_DAPM_ADC("Left ADC", "Capture", WM8960_POWER1, 3, 0),
34844426de4SMark Brown SND_SOC_DAPM_ADC("Right ADC", "Capture", WM8960_POWER1, 2, 0),
349f2644a2cSMark Brown 
350f2644a2cSMark Brown SND_SOC_DAPM_DAC("Left DAC", "Playback", WM8960_POWER2, 8, 0),
351f2644a2cSMark Brown SND_SOC_DAPM_DAC("Right DAC", "Playback", WM8960_POWER2, 7, 0),
352f2644a2cSMark Brown 
353f2644a2cSMark Brown SND_SOC_DAPM_MIXER("Left Output Mixer", WM8960_POWER3, 3, 0,
354f2644a2cSMark Brown 	&wm8960_loutput_mixer[0],
355f2644a2cSMark Brown 	ARRAY_SIZE(wm8960_loutput_mixer)),
356f2644a2cSMark Brown SND_SOC_DAPM_MIXER("Right Output Mixer", WM8960_POWER3, 2, 0,
357f2644a2cSMark Brown 	&wm8960_routput_mixer[0],
358f2644a2cSMark Brown 	ARRAY_SIZE(wm8960_routput_mixer)),
359f2644a2cSMark Brown 
360f2644a2cSMark Brown SND_SOC_DAPM_PGA("LOUT1 PGA", WM8960_POWER2, 6, 0, NULL, 0),
361f2644a2cSMark Brown SND_SOC_DAPM_PGA("ROUT1 PGA", WM8960_POWER2, 5, 0, NULL, 0),
362f2644a2cSMark Brown 
363f2644a2cSMark Brown SND_SOC_DAPM_PGA("Left Speaker PGA", WM8960_POWER2, 4, 0, NULL, 0),
364f2644a2cSMark Brown SND_SOC_DAPM_PGA("Right Speaker PGA", WM8960_POWER2, 3, 0, NULL, 0),
365f2644a2cSMark Brown 
366f2644a2cSMark Brown SND_SOC_DAPM_PGA("Right Speaker Output", WM8960_CLASSD1, 7, 0, NULL, 0),
367f2644a2cSMark Brown SND_SOC_DAPM_PGA("Left Speaker Output", WM8960_CLASSD1, 6, 0, NULL, 0),
368f2644a2cSMark Brown 
369f2644a2cSMark Brown SND_SOC_DAPM_OUTPUT("SPK_LP"),
370f2644a2cSMark Brown SND_SOC_DAPM_OUTPUT("SPK_LN"),
371f2644a2cSMark Brown SND_SOC_DAPM_OUTPUT("HP_L"),
372f2644a2cSMark Brown SND_SOC_DAPM_OUTPUT("HP_R"),
373f2644a2cSMark Brown SND_SOC_DAPM_OUTPUT("SPK_RP"),
374f2644a2cSMark Brown SND_SOC_DAPM_OUTPUT("SPK_RN"),
375f2644a2cSMark Brown SND_SOC_DAPM_OUTPUT("OUT3"),
376f2644a2cSMark Brown };
377f2644a2cSMark Brown 
378913d7b4cSMark Brown static const struct snd_soc_dapm_widget wm8960_dapm_widgets_out3[] = {
379913d7b4cSMark Brown SND_SOC_DAPM_MIXER("Mono Output Mixer", WM8960_POWER2, 1, 0,
380913d7b4cSMark Brown 	&wm8960_mono_out[0],
381913d7b4cSMark Brown 	ARRAY_SIZE(wm8960_mono_out)),
382913d7b4cSMark Brown };
383913d7b4cSMark Brown 
384913d7b4cSMark Brown /* Represent OUT3 as a PGA so that it gets turned on with LOUT1/ROUT1 */
385913d7b4cSMark Brown static const struct snd_soc_dapm_widget wm8960_dapm_widgets_capless[] = {
386913d7b4cSMark Brown SND_SOC_DAPM_PGA("OUT3 VMID", WM8960_POWER2, 1, 0, NULL, 0),
387913d7b4cSMark Brown };
388913d7b4cSMark Brown 
389f2644a2cSMark Brown static const struct snd_soc_dapm_route audio_paths[] = {
390f2644a2cSMark Brown 	{ "Left Boost Mixer", "LINPUT1 Switch", "LINPUT1" },
391f2644a2cSMark Brown 	{ "Left Boost Mixer", "LINPUT2 Switch", "LINPUT2" },
392f2644a2cSMark Brown 	{ "Left Boost Mixer", "LINPUT3 Switch", "LINPUT3" },
393f2644a2cSMark Brown 
394f2644a2cSMark Brown 	{ "Left Input Mixer", "Boost Switch", "Left Boost Mixer", },
395f2644a2cSMark Brown 	{ "Left Input Mixer", NULL, "LINPUT1", },  /* Really Boost Switch */
396f2644a2cSMark Brown 	{ "Left Input Mixer", NULL, "LINPUT2" },
397f2644a2cSMark Brown 	{ "Left Input Mixer", NULL, "LINPUT3" },
398f2644a2cSMark Brown 
399f2644a2cSMark Brown 	{ "Right Boost Mixer", "RINPUT1 Switch", "RINPUT1" },
400f2644a2cSMark Brown 	{ "Right Boost Mixer", "RINPUT2 Switch", "RINPUT2" },
401f2644a2cSMark Brown 	{ "Right Boost Mixer", "RINPUT3 Switch", "RINPUT3" },
402f2644a2cSMark Brown 
403f2644a2cSMark Brown 	{ "Right Input Mixer", "Boost Switch", "Right Boost Mixer", },
404f2644a2cSMark Brown 	{ "Right Input Mixer", NULL, "RINPUT1", },  /* Really Boost Switch */
405f2644a2cSMark Brown 	{ "Right Input Mixer", NULL, "RINPUT2" },
40685e36a1fSZidan Wang 	{ "Right Input Mixer", NULL, "RINPUT3" },
407f2644a2cSMark Brown 
408f2644a2cSMark Brown 	{ "Left ADC", NULL, "Left Input Mixer" },
409f2644a2cSMark Brown 	{ "Right ADC", NULL, "Right Input Mixer" },
410f2644a2cSMark Brown 
411f2644a2cSMark Brown 	{ "Left Output Mixer", "LINPUT3 Switch", "LINPUT3" },
412f2644a2cSMark Brown 	{ "Left Output Mixer", "Boost Bypass Switch", "Left Boost Mixer"} ,
413f2644a2cSMark Brown 	{ "Left Output Mixer", "PCM Playback Switch", "Left DAC" },
414f2644a2cSMark Brown 
415f2644a2cSMark Brown 	{ "Right Output Mixer", "RINPUT3 Switch", "RINPUT3" },
416f2644a2cSMark Brown 	{ "Right Output Mixer", "Boost Bypass Switch", "Right Boost Mixer" } ,
417f2644a2cSMark Brown 	{ "Right Output Mixer", "PCM Playback Switch", "Right DAC" },
418f2644a2cSMark Brown 
419f2644a2cSMark Brown 	{ "LOUT1 PGA", NULL, "Left Output Mixer" },
420f2644a2cSMark Brown 	{ "ROUT1 PGA", NULL, "Right Output Mixer" },
421f2644a2cSMark Brown 
422f2644a2cSMark Brown 	{ "HP_L", NULL, "LOUT1 PGA" },
423f2644a2cSMark Brown 	{ "HP_R", NULL, "ROUT1 PGA" },
424f2644a2cSMark Brown 
425f2644a2cSMark Brown 	{ "Left Speaker PGA", NULL, "Left Output Mixer" },
426f2644a2cSMark Brown 	{ "Right Speaker PGA", NULL, "Right Output Mixer" },
427f2644a2cSMark Brown 
428f2644a2cSMark Brown 	{ "Left Speaker Output", NULL, "Left Speaker PGA" },
429f2644a2cSMark Brown 	{ "Right Speaker Output", NULL, "Right Speaker PGA" },
430f2644a2cSMark Brown 
431f2644a2cSMark Brown 	{ "SPK_LN", NULL, "Left Speaker Output" },
432f2644a2cSMark Brown 	{ "SPK_LP", NULL, "Left Speaker Output" },
433f2644a2cSMark Brown 	{ "SPK_RN", NULL, "Right Speaker Output" },
434f2644a2cSMark Brown 	{ "SPK_RP", NULL, "Right Speaker Output" },
435913d7b4cSMark Brown };
436913d7b4cSMark Brown 
437913d7b4cSMark Brown static const struct snd_soc_dapm_route audio_paths_out3[] = {
438913d7b4cSMark Brown 	{ "Mono Output Mixer", "Left Switch", "Left Output Mixer" },
439913d7b4cSMark Brown 	{ "Mono Output Mixer", "Right Switch", "Right Output Mixer" },
440f2644a2cSMark Brown 
441f2644a2cSMark Brown 	{ "OUT3", NULL, "Mono Output Mixer", }
442f2644a2cSMark Brown };
443f2644a2cSMark Brown 
444913d7b4cSMark Brown static const struct snd_soc_dapm_route audio_paths_capless[] = {
445913d7b4cSMark Brown 	{ "HP_L", NULL, "OUT3 VMID" },
446913d7b4cSMark Brown 	{ "HP_R", NULL, "OUT3 VMID" },
447913d7b4cSMark Brown 
448913d7b4cSMark Brown 	{ "OUT3 VMID", NULL, "Left Output Mixer" },
449913d7b4cSMark Brown 	{ "OUT3 VMID", NULL, "Right Output Mixer" },
450913d7b4cSMark Brown };
451913d7b4cSMark Brown 
452f2644a2cSMark Brown static int wm8960_add_widgets(struct snd_soc_codec *codec)
453f2644a2cSMark Brown {
454b2c812e2SMark Brown 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
455e2280c90SZidan Wang 	struct wm8960_data *pdata = &wm8960->pdata;
45693f32f53SLars-Peter Clausen 	struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
457913d7b4cSMark Brown 	struct snd_soc_dapm_widget *w;
458913d7b4cSMark Brown 
459ce6120ccSLiam Girdwood 	snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets,
460f2644a2cSMark Brown 				  ARRAY_SIZE(wm8960_dapm_widgets));
461f2644a2cSMark Brown 
462ce6120ccSLiam Girdwood 	snd_soc_dapm_add_routes(dapm, audio_paths, ARRAY_SIZE(audio_paths));
463f2644a2cSMark Brown 
464913d7b4cSMark Brown 	/* In capless mode OUT3 is used to provide VMID for the
465913d7b4cSMark Brown 	 * headphone outputs, otherwise it is used as a mono mixer.
466913d7b4cSMark Brown 	 */
467913d7b4cSMark Brown 	if (pdata && pdata->capless) {
468ce6120ccSLiam Girdwood 		snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets_capless,
469913d7b4cSMark Brown 					  ARRAY_SIZE(wm8960_dapm_widgets_capless));
470913d7b4cSMark Brown 
471ce6120ccSLiam Girdwood 		snd_soc_dapm_add_routes(dapm, audio_paths_capless,
472913d7b4cSMark Brown 					ARRAY_SIZE(audio_paths_capless));
473913d7b4cSMark Brown 	} else {
474ce6120ccSLiam Girdwood 		snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets_out3,
475913d7b4cSMark Brown 					  ARRAY_SIZE(wm8960_dapm_widgets_out3));
476913d7b4cSMark Brown 
477ce6120ccSLiam Girdwood 		snd_soc_dapm_add_routes(dapm, audio_paths_out3,
478913d7b4cSMark Brown 					ARRAY_SIZE(audio_paths_out3));
479913d7b4cSMark Brown 	}
480913d7b4cSMark Brown 
481913d7b4cSMark Brown 	/* We need to power up the headphone output stage out of
482913d7b4cSMark Brown 	 * sequence for capless mode.  To save scanning the widget
483913d7b4cSMark Brown 	 * list each time to find the desired power state do so now
484913d7b4cSMark Brown 	 * and save the result.
485913d7b4cSMark Brown 	 */
48600200107SLars-Peter Clausen 	list_for_each_entry(w, &codec->component.card->widgets, list) {
48793f32f53SLars-Peter Clausen 		if (w->dapm != dapm)
48897c866deSJarkko Nikula 			continue;
489913d7b4cSMark Brown 		if (strcmp(w->name, "LOUT1 PGA") == 0)
490913d7b4cSMark Brown 			wm8960->lout1 = w;
491913d7b4cSMark Brown 		if (strcmp(w->name, "ROUT1 PGA") == 0)
492913d7b4cSMark Brown 			wm8960->rout1 = w;
493913d7b4cSMark Brown 		if (strcmp(w->name, "OUT3 VMID") == 0)
494913d7b4cSMark Brown 			wm8960->out3 = w;
495913d7b4cSMark Brown 	}
496913d7b4cSMark Brown 
497f2644a2cSMark Brown 	return 0;
498f2644a2cSMark Brown }
499f2644a2cSMark Brown 
500f2644a2cSMark Brown static int wm8960_set_dai_fmt(struct snd_soc_dai *codec_dai,
501f2644a2cSMark Brown 		unsigned int fmt)
502f2644a2cSMark Brown {
503f2644a2cSMark Brown 	struct snd_soc_codec *codec = codec_dai->codec;
504f2644a2cSMark Brown 	u16 iface = 0;
505f2644a2cSMark Brown 
506f2644a2cSMark Brown 	/* set master/slave audio interface */
507f2644a2cSMark Brown 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
508f2644a2cSMark Brown 	case SND_SOC_DAIFMT_CBM_CFM:
509f2644a2cSMark Brown 		iface |= 0x0040;
510f2644a2cSMark Brown 		break;
511f2644a2cSMark Brown 	case SND_SOC_DAIFMT_CBS_CFS:
512f2644a2cSMark Brown 		break;
513f2644a2cSMark Brown 	default:
514f2644a2cSMark Brown 		return -EINVAL;
515f2644a2cSMark Brown 	}
516f2644a2cSMark Brown 
517f2644a2cSMark Brown 	/* interface format */
518f2644a2cSMark Brown 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
519f2644a2cSMark Brown 	case SND_SOC_DAIFMT_I2S:
520f2644a2cSMark Brown 		iface |= 0x0002;
521f2644a2cSMark Brown 		break;
522f2644a2cSMark Brown 	case SND_SOC_DAIFMT_RIGHT_J:
523f2644a2cSMark Brown 		break;
524f2644a2cSMark Brown 	case SND_SOC_DAIFMT_LEFT_J:
525f2644a2cSMark Brown 		iface |= 0x0001;
526f2644a2cSMark Brown 		break;
527f2644a2cSMark Brown 	case SND_SOC_DAIFMT_DSP_A:
528f2644a2cSMark Brown 		iface |= 0x0003;
529f2644a2cSMark Brown 		break;
530f2644a2cSMark Brown 	case SND_SOC_DAIFMT_DSP_B:
531f2644a2cSMark Brown 		iface |= 0x0013;
532f2644a2cSMark Brown 		break;
533f2644a2cSMark Brown 	default:
534f2644a2cSMark Brown 		return -EINVAL;
535f2644a2cSMark Brown 	}
536f2644a2cSMark Brown 
537f2644a2cSMark Brown 	/* clock inversion */
538f2644a2cSMark Brown 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
539f2644a2cSMark Brown 	case SND_SOC_DAIFMT_NB_NF:
540f2644a2cSMark Brown 		break;
541f2644a2cSMark Brown 	case SND_SOC_DAIFMT_IB_IF:
542f2644a2cSMark Brown 		iface |= 0x0090;
543f2644a2cSMark Brown 		break;
544f2644a2cSMark Brown 	case SND_SOC_DAIFMT_IB_NF:
545f2644a2cSMark Brown 		iface |= 0x0080;
546f2644a2cSMark Brown 		break;
547f2644a2cSMark Brown 	case SND_SOC_DAIFMT_NB_IF:
548f2644a2cSMark Brown 		iface |= 0x0010;
549f2644a2cSMark Brown 		break;
550f2644a2cSMark Brown 	default:
551f2644a2cSMark Brown 		return -EINVAL;
552f2644a2cSMark Brown 	}
553f2644a2cSMark Brown 
554f2644a2cSMark Brown 	/* set iface */
55517a52fd6SMark Brown 	snd_soc_write(codec, WM8960_IFACE1, iface);
556f2644a2cSMark Brown 	return 0;
557f2644a2cSMark Brown }
558f2644a2cSMark Brown 
559db059c0fSMark Brown static struct {
560db059c0fSMark Brown 	int rate;
561db059c0fSMark Brown 	unsigned int val;
562db059c0fSMark Brown } alc_rates[] = {
563db059c0fSMark Brown 	{ 48000, 0 },
564db059c0fSMark Brown 	{ 44100, 0 },
565db059c0fSMark Brown 	{ 32000, 1 },
566db059c0fSMark Brown 	{ 22050, 2 },
567db059c0fSMark Brown 	{ 24000, 2 },
568db059c0fSMark Brown 	{ 16000, 3 },
56922ee76daSZidan Wang 	{ 11025, 4 },
570db059c0fSMark Brown 	{ 12000, 4 },
571db059c0fSMark Brown 	{  8000, 5 },
572db059c0fSMark Brown };
573db059c0fSMark Brown 
5743176bf2dSZidan Wang /* -1 for reserved value */
5753176bf2dSZidan Wang static const int sysclk_divs[] = { 1, -1, 2, -1 };
5763176bf2dSZidan Wang 
5770e50b51aSZidan Wang /* Multiply 256 for internal 256 div */
5780e50b51aSZidan Wang static const int dac_divs[] = { 256, 384, 512, 768, 1024, 1408, 1536 };
5790e50b51aSZidan Wang 
5800e50b51aSZidan Wang /* Multiply 10 to eliminate decimials */
5810e50b51aSZidan Wang static const int bclk_divs[] = {
5820e50b51aSZidan Wang 	10, 15, 20, 30, 40, 55, 60, 80, 110,
5830e50b51aSZidan Wang 	120, 160, 220, 240, 320, 320, 320
5840e50b51aSZidan Wang };
5850e50b51aSZidan Wang 
5863176bf2dSZidan Wang static int wm8960_configure_clocking(struct snd_soc_codec *codec)
5870e50b51aSZidan Wang {
5880e50b51aSZidan Wang 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
5893176bf2dSZidan Wang 	int sysclk, bclk, lrclk, freq_out, freq_in;
5900e50b51aSZidan Wang 	u16 iface1 = snd_soc_read(codec, WM8960_IFACE1);
5913176bf2dSZidan Wang 	int i, j, k;
5920e50b51aSZidan Wang 
5930e50b51aSZidan Wang 	if (!(iface1 & (1<<6))) {
5940e50b51aSZidan Wang 		dev_dbg(codec->dev,
5950e50b51aSZidan Wang 			"Codec is slave mode, no need to configure clock\n");
5963176bf2dSZidan Wang 		return 0;
5970e50b51aSZidan Wang 	}
5980e50b51aSZidan Wang 
5993176bf2dSZidan Wang 	if (wm8960->clk_id != WM8960_SYSCLK_MCLK && !wm8960->freq_in) {
6003176bf2dSZidan Wang 		dev_err(codec->dev, "No MCLK configured\n");
6013176bf2dSZidan Wang 		return -EINVAL;
6020e50b51aSZidan Wang 	}
6030e50b51aSZidan Wang 
6043176bf2dSZidan Wang 	freq_in = wm8960->freq_in;
6053176bf2dSZidan Wang 	bclk = wm8960->bclk;
6063176bf2dSZidan Wang 	lrclk = wm8960->lrclk;
6070e50b51aSZidan Wang 	/*
6083176bf2dSZidan Wang 	 * If it's sysclk auto mode, check if the MCLK can provide sysclk or
6093176bf2dSZidan Wang 	 * not. If MCLK can provide sysclk, using MCLK to provide sysclk
6103176bf2dSZidan Wang 	 * directly. Otherwise, auto select a available pll out frequency
6113176bf2dSZidan Wang 	 * and set PLL.
6120e50b51aSZidan Wang 	 */
6133176bf2dSZidan Wang 	if (wm8960->clk_id == WM8960_SYSCLK_AUTO) {
6143176bf2dSZidan Wang 		/* disable the PLL and using MCLK to provide sysclk */
6153176bf2dSZidan Wang 		wm8960_set_pll(codec, 0, 0);
6163176bf2dSZidan Wang 		freq_out = freq_in;
6173176bf2dSZidan Wang 	} else if (wm8960->sysclk) {
6183176bf2dSZidan Wang 		freq_out = wm8960->sysclk;
6193176bf2dSZidan Wang 	} else {
6203176bf2dSZidan Wang 		dev_err(codec->dev, "No SYSCLK configured\n");
6213176bf2dSZidan Wang 		return -EINVAL;
6223176bf2dSZidan Wang 	}
6233176bf2dSZidan Wang 
6243176bf2dSZidan Wang 	/* check if the sysclk frequency is available. */
6253176bf2dSZidan Wang 	for (i = 0; i < ARRAY_SIZE(sysclk_divs); ++i) {
6263176bf2dSZidan Wang 		if (sysclk_divs[i] == -1)
6273176bf2dSZidan Wang 			continue;
6283176bf2dSZidan Wang 		sysclk = freq_out / sysclk_divs[i];
6293176bf2dSZidan Wang 		for (j = 0; j < ARRAY_SIZE(dac_divs); ++j) {
6303176bf2dSZidan Wang 			if (sysclk == dac_divs[j] * lrclk) {
6313176bf2dSZidan Wang 				for (k = 0; k < ARRAY_SIZE(bclk_divs); ++k)
6323176bf2dSZidan Wang 					if (sysclk == bclk * bclk_divs[k] / 10)
6333176bf2dSZidan Wang 						break;
6343176bf2dSZidan Wang 				if (k != ARRAY_SIZE(bclk_divs))
6353176bf2dSZidan Wang 					break;
6363176bf2dSZidan Wang 			}
6373176bf2dSZidan Wang 		}
6383176bf2dSZidan Wang 		if (j != ARRAY_SIZE(dac_divs))
6393176bf2dSZidan Wang 			break;
6403176bf2dSZidan Wang 	}
6413176bf2dSZidan Wang 
6423176bf2dSZidan Wang 	if (i != ARRAY_SIZE(sysclk_divs)) {
6433176bf2dSZidan Wang 		goto configure_clock;
6443176bf2dSZidan Wang 	} else if (wm8960->clk_id != WM8960_SYSCLK_AUTO) {
6453176bf2dSZidan Wang 		dev_err(codec->dev, "failed to configure clock\n");
6463176bf2dSZidan Wang 		return -EINVAL;
6473176bf2dSZidan Wang 	}
6483176bf2dSZidan Wang 	/* get a available pll out frequency and set pll */
6493176bf2dSZidan Wang 	for (i = 0; i < ARRAY_SIZE(sysclk_divs); ++i) {
6503176bf2dSZidan Wang 		if (sysclk_divs[i] == -1)
6513176bf2dSZidan Wang 			continue;
6523176bf2dSZidan Wang 		for (j = 0; j < ARRAY_SIZE(dac_divs); ++j) {
6533176bf2dSZidan Wang 			sysclk = lrclk * dac_divs[j];
6543176bf2dSZidan Wang 			freq_out = sysclk * sysclk_divs[i];
6553176bf2dSZidan Wang 
6563176bf2dSZidan Wang 			for (k = 0; k < ARRAY_SIZE(bclk_divs); ++k) {
6573176bf2dSZidan Wang 				if (sysclk == bclk * bclk_divs[k] / 10 &&
6583176bf2dSZidan Wang 				    is_pll_freq_available(freq_in, freq_out)) {
6593176bf2dSZidan Wang 					wm8960_set_pll(codec,
6603176bf2dSZidan Wang 						       freq_in, freq_out);
6613176bf2dSZidan Wang 					break;
6623176bf2dSZidan Wang 				} else {
6633176bf2dSZidan Wang 					continue;
6643176bf2dSZidan Wang 				}
6653176bf2dSZidan Wang 			}
6663176bf2dSZidan Wang 			if (k != ARRAY_SIZE(bclk_divs))
6673176bf2dSZidan Wang 				break;
6683176bf2dSZidan Wang 		}
6693176bf2dSZidan Wang 		if (j != ARRAY_SIZE(dac_divs))
6703176bf2dSZidan Wang 			break;
6713176bf2dSZidan Wang 	}
6723176bf2dSZidan Wang 
6733176bf2dSZidan Wang 	if (i == ARRAY_SIZE(sysclk_divs)) {
6743176bf2dSZidan Wang 		dev_err(codec->dev, "failed to configure clock\n");
6753176bf2dSZidan Wang 		return -EINVAL;
6763176bf2dSZidan Wang 	}
6773176bf2dSZidan Wang 
6783176bf2dSZidan Wang configure_clock:
6793176bf2dSZidan Wang 	/* configure sysclk clock */
6803176bf2dSZidan Wang 	snd_soc_update_bits(codec, WM8960_CLOCK1, 3 << 1, i << 1);
6813176bf2dSZidan Wang 
6823176bf2dSZidan Wang 	/* configure frame clock */
6833176bf2dSZidan Wang 	snd_soc_update_bits(codec, WM8960_CLOCK1, 0x7 << 3, j << 3);
6843176bf2dSZidan Wang 	snd_soc_update_bits(codec, WM8960_CLOCK1, 0x7 << 6, j << 6);
6850e50b51aSZidan Wang 
6860e50b51aSZidan Wang 	/* configure bit clock */
6873176bf2dSZidan Wang 	snd_soc_update_bits(codec, WM8960_CLOCK2, 0xf, k);
6883176bf2dSZidan Wang 
6893176bf2dSZidan Wang 	return 0;
6900e50b51aSZidan Wang }
6910e50b51aSZidan Wang 
692f2644a2cSMark Brown static int wm8960_hw_params(struct snd_pcm_substream *substream,
693f2644a2cSMark Brown 			    struct snd_pcm_hw_params *params,
694f2644a2cSMark Brown 			    struct snd_soc_dai *dai)
695f2644a2cSMark Brown {
696e6968a17SMark Brown 	struct snd_soc_codec *codec = dai->codec;
697afd6d36aSMark Brown 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
69817a52fd6SMark Brown 	u16 iface = snd_soc_read(codec, WM8960_IFACE1) & 0xfff3;
6990e50b51aSZidan Wang 	bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
700db059c0fSMark Brown 	int i;
701f2644a2cSMark Brown 
7020e50b51aSZidan Wang 	wm8960->bclk = snd_soc_params_to_bclk(params);
7030e50b51aSZidan Wang 	if (params_channels(params) == 1)
7040e50b51aSZidan Wang 		wm8960->bclk *= 2;
7050e50b51aSZidan Wang 
706f2644a2cSMark Brown 	/* bit size */
70739e9cc46SMark Brown 	switch (params_width(params)) {
70839e9cc46SMark Brown 	case 16:
709f2644a2cSMark Brown 		break;
71039e9cc46SMark Brown 	case 20:
711f2644a2cSMark Brown 		iface |= 0x0004;
712f2644a2cSMark Brown 		break;
71339e9cc46SMark Brown 	case 24:
714f2644a2cSMark Brown 		iface |= 0x0008;
715f2644a2cSMark Brown 		break;
7167a8c7867SZidan Wang 	case 32:
7177a8c7867SZidan Wang 		/* right justify mode does not support 32 word length */
7187a8c7867SZidan Wang 		if ((iface & 0x3) != 0) {
7197a8c7867SZidan Wang 			iface |= 0x000c;
7207a8c7867SZidan Wang 			break;
7217a8c7867SZidan Wang 		}
7224c2474c0STimur Tabi 	default:
72339e9cc46SMark Brown 		dev_err(codec->dev, "unsupported width %d\n",
72439e9cc46SMark Brown 			params_width(params));
7254c2474c0STimur Tabi 		return -EINVAL;
726f2644a2cSMark Brown 	}
727f2644a2cSMark Brown 
7283176bf2dSZidan Wang 	wm8960->lrclk = params_rate(params);
729afd6d36aSMark Brown 	/* Update filters for the new rate */
7303176bf2dSZidan Wang 	if (tx) {
731afd6d36aSMark Brown 		wm8960_set_deemph(codec);
732db059c0fSMark Brown 	} else {
733db059c0fSMark Brown 		for (i = 0; i < ARRAY_SIZE(alc_rates); i++)
734db059c0fSMark Brown 			if (alc_rates[i].rate == params_rate(params))
735db059c0fSMark Brown 				snd_soc_update_bits(codec,
736db059c0fSMark Brown 						    WM8960_ADDCTL3, 0x7,
737db059c0fSMark Brown 						    alc_rates[i].val);
738afd6d36aSMark Brown 	}
739afd6d36aSMark Brown 
740f2644a2cSMark Brown 	/* set iface */
74117a52fd6SMark Brown 	snd_soc_write(codec, WM8960_IFACE1, iface);
7420e50b51aSZidan Wang 
7433176bf2dSZidan Wang 	wm8960->is_stream_in_use[tx] = true;
7443176bf2dSZidan Wang 
7453176bf2dSZidan Wang 	if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_ON &&
7463176bf2dSZidan Wang 	    !wm8960->is_stream_in_use[!tx])
7473176bf2dSZidan Wang 		return wm8960_configure_clocking(codec);
7483176bf2dSZidan Wang 
7493176bf2dSZidan Wang 	return 0;
7503176bf2dSZidan Wang }
7513176bf2dSZidan Wang 
7523176bf2dSZidan Wang static int wm8960_hw_free(struct snd_pcm_substream *substream,
7533176bf2dSZidan Wang 		struct snd_soc_dai *dai)
7543176bf2dSZidan Wang {
7553176bf2dSZidan Wang 	struct snd_soc_codec *codec = dai->codec;
7563176bf2dSZidan Wang 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
7573176bf2dSZidan Wang 	bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
7583176bf2dSZidan Wang 
7593176bf2dSZidan Wang 	wm8960->is_stream_in_use[tx] = false;
7600e50b51aSZidan Wang 
761f2644a2cSMark Brown 	return 0;
762f2644a2cSMark Brown }
763f2644a2cSMark Brown 
764f2644a2cSMark Brown static int wm8960_mute(struct snd_soc_dai *dai, int mute)
765f2644a2cSMark Brown {
766f2644a2cSMark Brown 	struct snd_soc_codec *codec = dai->codec;
767f2644a2cSMark Brown 
768f2644a2cSMark Brown 	if (mute)
76916b24881SAxel Lin 		snd_soc_update_bits(codec, WM8960_DACCTL1, 0x8, 0x8);
770f2644a2cSMark Brown 	else
77116b24881SAxel Lin 		snd_soc_update_bits(codec, WM8960_DACCTL1, 0x8, 0);
772f2644a2cSMark Brown 	return 0;
773f2644a2cSMark Brown }
774f2644a2cSMark Brown 
775913d7b4cSMark Brown static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec,
776f2644a2cSMark Brown 				      enum snd_soc_bias_level level)
777f2644a2cSMark Brown {
7780ebe36c6SMark Brown 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
7793176bf2dSZidan Wang 	u16 pm2 = snd_soc_read(codec, WM8960_POWER2);
78075aa8868SZidan Wang 	int ret;
7810ebe36c6SMark Brown 
782f2644a2cSMark Brown 	switch (level) {
783f2644a2cSMark Brown 	case SND_SOC_BIAS_ON:
784f2644a2cSMark Brown 		break;
785f2644a2cSMark Brown 
786f2644a2cSMark Brown 	case SND_SOC_BIAS_PREPARE:
78793f32f53SLars-Peter Clausen 		switch (snd_soc_codec_get_bias_level(codec)) {
78875aa8868SZidan Wang 		case SND_SOC_BIAS_STANDBY:
78975aa8868SZidan Wang 			if (!IS_ERR(wm8960->mclk)) {
79075aa8868SZidan Wang 				ret = clk_prepare_enable(wm8960->mclk);
79175aa8868SZidan Wang 				if (ret) {
79275aa8868SZidan Wang 					dev_err(codec->dev,
79375aa8868SZidan Wang 						"Failed to enable MCLK: %d\n",
79475aa8868SZidan Wang 						ret);
79575aa8868SZidan Wang 					return ret;
79675aa8868SZidan Wang 				}
79775aa8868SZidan Wang 			}
79875aa8868SZidan Wang 
7993176bf2dSZidan Wang 			ret = wm8960_configure_clocking(codec);
8003176bf2dSZidan Wang 			if (ret)
8013176bf2dSZidan Wang 				return ret;
8023176bf2dSZidan Wang 
803f2644a2cSMark Brown 			/* Set VMID to 2x50k */
80416b24881SAxel Lin 			snd_soc_update_bits(codec, WM8960_POWER1, 0x180, 0x80);
805f2644a2cSMark Brown 			break;
806f2644a2cSMark Brown 
80775aa8868SZidan Wang 		case SND_SOC_BIAS_ON:
8083176bf2dSZidan Wang 			/*
8093176bf2dSZidan Wang 			 * If it's sysclk auto mode, and the pll is enabled,
8103176bf2dSZidan Wang 			 * disable the pll
8113176bf2dSZidan Wang 			 */
8123176bf2dSZidan Wang 			if (wm8960->clk_id == WM8960_SYSCLK_AUTO && (pm2 & 0x1))
8133176bf2dSZidan Wang 				wm8960_set_pll(codec, 0, 0);
8143176bf2dSZidan Wang 
81575aa8868SZidan Wang 			if (!IS_ERR(wm8960->mclk))
81675aa8868SZidan Wang 				clk_disable_unprepare(wm8960->mclk);
81775aa8868SZidan Wang 			break;
81875aa8868SZidan Wang 
81975aa8868SZidan Wang 		default:
82075aa8868SZidan Wang 			break;
82175aa8868SZidan Wang 		}
82275aa8868SZidan Wang 
82375aa8868SZidan Wang 		break;
82475aa8868SZidan Wang 
825f2644a2cSMark Brown 	case SND_SOC_BIAS_STANDBY:
82693f32f53SLars-Peter Clausen 		if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
8270ebe36c6SMark Brown 			regcache_sync(wm8960->regmap);
828bc45df2dSAxel Lin 
829f2644a2cSMark Brown 			/* Enable anti-pop features */
83017a52fd6SMark Brown 			snd_soc_write(codec, WM8960_APOP1,
831f2644a2cSMark Brown 				      WM8960_POBCTRL | WM8960_SOFT_ST |
832f2644a2cSMark Brown 				      WM8960_BUFDCOPEN | WM8960_BUFIOEN);
833f2644a2cSMark Brown 
834f2644a2cSMark Brown 			/* Enable & ramp VMID at 2x50k */
83516b24881SAxel Lin 			snd_soc_update_bits(codec, WM8960_POWER1, 0x80, 0x80);
836f2644a2cSMark Brown 			msleep(100);
837f2644a2cSMark Brown 
838f2644a2cSMark Brown 			/* Enable VREF */
83916b24881SAxel Lin 			snd_soc_update_bits(codec, WM8960_POWER1, WM8960_VREF,
84016b24881SAxel Lin 					    WM8960_VREF);
841f2644a2cSMark Brown 
842f2644a2cSMark Brown 			/* Disable anti-pop features */
84317a52fd6SMark Brown 			snd_soc_write(codec, WM8960_APOP1, WM8960_BUFIOEN);
844f2644a2cSMark Brown 		}
845f2644a2cSMark Brown 
846f2644a2cSMark Brown 		/* Set VMID to 2x250k */
84716b24881SAxel Lin 		snd_soc_update_bits(codec, WM8960_POWER1, 0x180, 0x100);
848f2644a2cSMark Brown 		break;
849f2644a2cSMark Brown 
850f2644a2cSMark Brown 	case SND_SOC_BIAS_OFF:
851f2644a2cSMark Brown 		/* Enable anti-pop features */
85217a52fd6SMark Brown 		snd_soc_write(codec, WM8960_APOP1,
853f2644a2cSMark Brown 			     WM8960_POBCTRL | WM8960_SOFT_ST |
854f2644a2cSMark Brown 			     WM8960_BUFDCOPEN | WM8960_BUFIOEN);
855f2644a2cSMark Brown 
856f2644a2cSMark Brown 		/* Disable VMID and VREF, let them discharge */
85717a52fd6SMark Brown 		snd_soc_write(codec, WM8960_POWER1, 0);
858f2644a2cSMark Brown 		msleep(600);
859913d7b4cSMark Brown 		break;
860913d7b4cSMark Brown 	}
861f2644a2cSMark Brown 
862913d7b4cSMark Brown 	return 0;
863913d7b4cSMark Brown }
864913d7b4cSMark Brown 
865913d7b4cSMark Brown static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec,
866913d7b4cSMark Brown 					 enum snd_soc_bias_level level)
867913d7b4cSMark Brown {
868b2c812e2SMark Brown 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
8693176bf2dSZidan Wang 	u16 pm2 = snd_soc_read(codec, WM8960_POWER2);
87075aa8868SZidan Wang 	int reg, ret;
871913d7b4cSMark Brown 
872913d7b4cSMark Brown 	switch (level) {
873913d7b4cSMark Brown 	case SND_SOC_BIAS_ON:
874913d7b4cSMark Brown 		break;
875913d7b4cSMark Brown 
876913d7b4cSMark Brown 	case SND_SOC_BIAS_PREPARE:
87793f32f53SLars-Peter Clausen 		switch (snd_soc_codec_get_bias_level(codec)) {
878913d7b4cSMark Brown 		case SND_SOC_BIAS_STANDBY:
879913d7b4cSMark Brown 			/* Enable anti pop mode */
880913d7b4cSMark Brown 			snd_soc_update_bits(codec, WM8960_APOP1,
881913d7b4cSMark Brown 					    WM8960_POBCTRL | WM8960_SOFT_ST |
882913d7b4cSMark Brown 					    WM8960_BUFDCOPEN,
883913d7b4cSMark Brown 					    WM8960_POBCTRL | WM8960_SOFT_ST |
884913d7b4cSMark Brown 					    WM8960_BUFDCOPEN);
885913d7b4cSMark Brown 
886913d7b4cSMark Brown 			/* Enable LOUT1, ROUT1 and OUT3 if they're enabled */
887913d7b4cSMark Brown 			reg = 0;
888913d7b4cSMark Brown 			if (wm8960->lout1 && wm8960->lout1->power)
889913d7b4cSMark Brown 				reg |= WM8960_PWR2_LOUT1;
890913d7b4cSMark Brown 			if (wm8960->rout1 && wm8960->rout1->power)
891913d7b4cSMark Brown 				reg |= WM8960_PWR2_ROUT1;
892913d7b4cSMark Brown 			if (wm8960->out3 && wm8960->out3->power)
893913d7b4cSMark Brown 				reg |= WM8960_PWR2_OUT3;
894913d7b4cSMark Brown 			snd_soc_update_bits(codec, WM8960_POWER2,
895913d7b4cSMark Brown 					    WM8960_PWR2_LOUT1 |
896913d7b4cSMark Brown 					    WM8960_PWR2_ROUT1 |
897913d7b4cSMark Brown 					    WM8960_PWR2_OUT3, reg);
898913d7b4cSMark Brown 
899913d7b4cSMark Brown 			/* Enable VMID at 2*50k */
900913d7b4cSMark Brown 			snd_soc_update_bits(codec, WM8960_POWER1,
901913d7b4cSMark Brown 					    WM8960_VMID_MASK, 0x80);
902913d7b4cSMark Brown 
903913d7b4cSMark Brown 			/* Ramp */
904913d7b4cSMark Brown 			msleep(100);
905913d7b4cSMark Brown 
906913d7b4cSMark Brown 			/* Enable VREF */
907913d7b4cSMark Brown 			snd_soc_update_bits(codec, WM8960_POWER1,
908913d7b4cSMark Brown 					    WM8960_VREF, WM8960_VREF);
909913d7b4cSMark Brown 
910913d7b4cSMark Brown 			msleep(100);
91175aa8868SZidan Wang 
91275aa8868SZidan Wang 			if (!IS_ERR(wm8960->mclk)) {
91375aa8868SZidan Wang 				ret = clk_prepare_enable(wm8960->mclk);
91475aa8868SZidan Wang 				if (ret) {
91575aa8868SZidan Wang 					dev_err(codec->dev,
91675aa8868SZidan Wang 						"Failed to enable MCLK: %d\n",
91775aa8868SZidan Wang 						ret);
91875aa8868SZidan Wang 					return ret;
91975aa8868SZidan Wang 				}
92075aa8868SZidan Wang 			}
9213176bf2dSZidan Wang 
9223176bf2dSZidan Wang 			ret = wm8960_configure_clocking(codec);
9233176bf2dSZidan Wang 			if (ret)
9243176bf2dSZidan Wang 				return ret;
9253176bf2dSZidan Wang 
926913d7b4cSMark Brown 			break;
927913d7b4cSMark Brown 
928913d7b4cSMark Brown 		case SND_SOC_BIAS_ON:
9293176bf2dSZidan Wang 			/*
9303176bf2dSZidan Wang 			 * If it's sysclk auto mode, and the pll is enabled,
9313176bf2dSZidan Wang 			 * disable the pll
9323176bf2dSZidan Wang 			 */
9333176bf2dSZidan Wang 			if (wm8960->clk_id == WM8960_SYSCLK_AUTO && (pm2 & 0x1))
9343176bf2dSZidan Wang 				wm8960_set_pll(codec, 0, 0);
9353176bf2dSZidan Wang 
93675aa8868SZidan Wang 			if (!IS_ERR(wm8960->mclk))
93775aa8868SZidan Wang 				clk_disable_unprepare(wm8960->mclk);
93875aa8868SZidan Wang 
939913d7b4cSMark Brown 			/* Enable anti-pop mode */
940913d7b4cSMark Brown 			snd_soc_update_bits(codec, WM8960_APOP1,
941913d7b4cSMark Brown 					    WM8960_POBCTRL | WM8960_SOFT_ST |
942913d7b4cSMark Brown 					    WM8960_BUFDCOPEN,
943913d7b4cSMark Brown 					    WM8960_POBCTRL | WM8960_SOFT_ST |
944913d7b4cSMark Brown 					    WM8960_BUFDCOPEN);
945913d7b4cSMark Brown 
946913d7b4cSMark Brown 			/* Disable VMID and VREF */
947913d7b4cSMark Brown 			snd_soc_update_bits(codec, WM8960_POWER1,
948913d7b4cSMark Brown 					    WM8960_VREF | WM8960_VMID_MASK, 0);
949913d7b4cSMark Brown 			break;
950913d7b4cSMark Brown 
951bc45df2dSAxel Lin 		case SND_SOC_BIAS_OFF:
9520ebe36c6SMark Brown 			regcache_sync(wm8960->regmap);
953bc45df2dSAxel Lin 			break;
954913d7b4cSMark Brown 		default:
955913d7b4cSMark Brown 			break;
956913d7b4cSMark Brown 		}
957913d7b4cSMark Brown 		break;
958913d7b4cSMark Brown 
959913d7b4cSMark Brown 	case SND_SOC_BIAS_STANDBY:
96093f32f53SLars-Peter Clausen 		switch (snd_soc_codec_get_bias_level(codec)) {
961913d7b4cSMark Brown 		case SND_SOC_BIAS_PREPARE:
962913d7b4cSMark Brown 			/* Disable HP discharge */
963913d7b4cSMark Brown 			snd_soc_update_bits(codec, WM8960_APOP2,
964913d7b4cSMark Brown 					    WM8960_DISOP | WM8960_DRES_MASK,
965913d7b4cSMark Brown 					    0);
966913d7b4cSMark Brown 
967913d7b4cSMark Brown 			/* Disable anti-pop features */
968913d7b4cSMark Brown 			snd_soc_update_bits(codec, WM8960_APOP1,
969913d7b4cSMark Brown 					    WM8960_POBCTRL | WM8960_SOFT_ST |
970913d7b4cSMark Brown 					    WM8960_BUFDCOPEN,
971913d7b4cSMark Brown 					    WM8960_POBCTRL | WM8960_SOFT_ST |
972913d7b4cSMark Brown 					    WM8960_BUFDCOPEN);
973913d7b4cSMark Brown 			break;
974913d7b4cSMark Brown 
975913d7b4cSMark Brown 		default:
976913d7b4cSMark Brown 			break;
977913d7b4cSMark Brown 		}
978913d7b4cSMark Brown 		break;
979913d7b4cSMark Brown 
980913d7b4cSMark Brown 	case SND_SOC_BIAS_OFF:
981f2644a2cSMark Brown 		break;
982f2644a2cSMark Brown 	}
983f2644a2cSMark Brown 
984f2644a2cSMark Brown 	return 0;
985f2644a2cSMark Brown }
986f2644a2cSMark Brown 
987f2644a2cSMark Brown /* PLL divisors */
988f2644a2cSMark Brown struct _pll_div {
989f2644a2cSMark Brown 	u32 pre_div:1;
990f2644a2cSMark Brown 	u32 n:4;
991f2644a2cSMark Brown 	u32 k:24;
992f2644a2cSMark Brown };
993f2644a2cSMark Brown 
9943176bf2dSZidan Wang static bool is_pll_freq_available(unsigned int source, unsigned int target)
9953176bf2dSZidan Wang {
9963176bf2dSZidan Wang 	unsigned int Ndiv;
9973176bf2dSZidan Wang 
9983176bf2dSZidan Wang 	if (source == 0 || target == 0)
9993176bf2dSZidan Wang 		return false;
10003176bf2dSZidan Wang 
10013176bf2dSZidan Wang 	/* Scale up target to PLL operating frequency */
10023176bf2dSZidan Wang 	target *= 4;
10033176bf2dSZidan Wang 	Ndiv = target / source;
10043176bf2dSZidan Wang 
10053176bf2dSZidan Wang 	if (Ndiv < 6) {
10063176bf2dSZidan Wang 		source >>= 1;
10073176bf2dSZidan Wang 		Ndiv = target / source;
10083176bf2dSZidan Wang 	}
10093176bf2dSZidan Wang 
10103176bf2dSZidan Wang 	if ((Ndiv < 6) || (Ndiv > 12))
10113176bf2dSZidan Wang 		return false;
10123176bf2dSZidan Wang 
10133176bf2dSZidan Wang 	return true;
10143176bf2dSZidan Wang }
10153176bf2dSZidan Wang 
1016f2644a2cSMark Brown /* The size in bits of the pll divide multiplied by 10
1017f2644a2cSMark Brown  * to allow rounding later */
1018f2644a2cSMark Brown #define FIXED_PLL_SIZE ((1 << 24) * 10)
1019f2644a2cSMark Brown 
1020f2644a2cSMark Brown static int pll_factors(unsigned int source, unsigned int target,
1021f2644a2cSMark Brown 		       struct _pll_div *pll_div)
1022f2644a2cSMark Brown {
1023f2644a2cSMark Brown 	unsigned long long Kpart;
1024f2644a2cSMark Brown 	unsigned int K, Ndiv, Nmod;
1025f2644a2cSMark Brown 
1026f2644a2cSMark Brown 	pr_debug("WM8960 PLL: setting %dHz->%dHz\n", source, target);
1027f2644a2cSMark Brown 
1028f2644a2cSMark Brown 	/* Scale up target to PLL operating frequency */
1029f2644a2cSMark Brown 	target *= 4;
1030f2644a2cSMark Brown 
1031f2644a2cSMark Brown 	Ndiv = target / source;
1032f2644a2cSMark Brown 	if (Ndiv < 6) {
1033f2644a2cSMark Brown 		source >>= 1;
1034f2644a2cSMark Brown 		pll_div->pre_div = 1;
1035f2644a2cSMark Brown 		Ndiv = target / source;
1036f2644a2cSMark Brown 	} else
1037f2644a2cSMark Brown 		pll_div->pre_div = 0;
1038f2644a2cSMark Brown 
1039f2644a2cSMark Brown 	if ((Ndiv < 6) || (Ndiv > 12)) {
1040f2644a2cSMark Brown 		pr_err("WM8960 PLL: Unsupported N=%d\n", Ndiv);
1041f2644a2cSMark Brown 		return -EINVAL;
1042f2644a2cSMark Brown 	}
1043f2644a2cSMark Brown 
1044f2644a2cSMark Brown 	pll_div->n = Ndiv;
1045f2644a2cSMark Brown 	Nmod = target % source;
1046f2644a2cSMark Brown 	Kpart = FIXED_PLL_SIZE * (long long)Nmod;
1047f2644a2cSMark Brown 
1048f2644a2cSMark Brown 	do_div(Kpart, source);
1049f2644a2cSMark Brown 
1050f2644a2cSMark Brown 	K = Kpart & 0xFFFFFFFF;
1051f2644a2cSMark Brown 
1052f2644a2cSMark Brown 	/* Check if we need to round */
1053f2644a2cSMark Brown 	if ((K % 10) >= 5)
1054f2644a2cSMark Brown 		K += 5;
1055f2644a2cSMark Brown 
1056f2644a2cSMark Brown 	/* Move down to proper range now rounding is done */
1057f2644a2cSMark Brown 	K /= 10;
1058f2644a2cSMark Brown 
1059f2644a2cSMark Brown 	pll_div->k = K;
1060f2644a2cSMark Brown 
1061f2644a2cSMark Brown 	pr_debug("WM8960 PLL: N=%x K=%x pre_div=%d\n",
1062f2644a2cSMark Brown 		 pll_div->n, pll_div->k, pll_div->pre_div);
1063f2644a2cSMark Brown 
1064f2644a2cSMark Brown 	return 0;
1065f2644a2cSMark Brown }
1066f2644a2cSMark Brown 
10673176bf2dSZidan Wang static int wm8960_set_pll(struct snd_soc_codec *codec,
10683176bf2dSZidan Wang 		unsigned int freq_in, unsigned int freq_out)
1069f2644a2cSMark Brown {
1070f2644a2cSMark Brown 	u16 reg;
1071f2644a2cSMark Brown 	static struct _pll_div pll_div;
1072f2644a2cSMark Brown 	int ret;
1073f2644a2cSMark Brown 
1074f2644a2cSMark Brown 	if (freq_in && freq_out) {
1075f2644a2cSMark Brown 		ret = pll_factors(freq_in, freq_out, &pll_div);
1076f2644a2cSMark Brown 		if (ret != 0)
1077f2644a2cSMark Brown 			return ret;
1078f2644a2cSMark Brown 	}
1079f2644a2cSMark Brown 
1080f2644a2cSMark Brown 	/* Disable the PLL: even if we are changing the frequency the
1081f2644a2cSMark Brown 	 * PLL needs to be disabled while we do so. */
108216b24881SAxel Lin 	snd_soc_update_bits(codec, WM8960_CLOCK1, 0x1, 0);
108316b24881SAxel Lin 	snd_soc_update_bits(codec, WM8960_POWER2, 0x1, 0);
1084f2644a2cSMark Brown 
1085f2644a2cSMark Brown 	if (!freq_in || !freq_out)
1086f2644a2cSMark Brown 		return 0;
1087f2644a2cSMark Brown 
108817a52fd6SMark Brown 	reg = snd_soc_read(codec, WM8960_PLL1) & ~0x3f;
1089f2644a2cSMark Brown 	reg |= pll_div.pre_div << 4;
1090f2644a2cSMark Brown 	reg |= pll_div.n;
1091f2644a2cSMark Brown 
1092f2644a2cSMark Brown 	if (pll_div.k) {
1093f2644a2cSMark Brown 		reg |= 0x20;
1094f2644a2cSMark Brown 
109585fa532bSMike Dyer 		snd_soc_write(codec, WM8960_PLL2, (pll_div.k >> 16) & 0xff);
109685fa532bSMike Dyer 		snd_soc_write(codec, WM8960_PLL3, (pll_div.k >> 8) & 0xff);
109785fa532bSMike Dyer 		snd_soc_write(codec, WM8960_PLL4, pll_div.k & 0xff);
1098f2644a2cSMark Brown 	}
109917a52fd6SMark Brown 	snd_soc_write(codec, WM8960_PLL1, reg);
1100f2644a2cSMark Brown 
1101f2644a2cSMark Brown 	/* Turn it on */
110216b24881SAxel Lin 	snd_soc_update_bits(codec, WM8960_POWER2, 0x1, 0x1);
1103f2644a2cSMark Brown 	msleep(250);
110416b24881SAxel Lin 	snd_soc_update_bits(codec, WM8960_CLOCK1, 0x1, 0x1);
1105f2644a2cSMark Brown 
1106f2644a2cSMark Brown 	return 0;
1107f2644a2cSMark Brown }
1108f2644a2cSMark Brown 
11093176bf2dSZidan Wang static int wm8960_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
11103176bf2dSZidan Wang 		int source, unsigned int freq_in, unsigned int freq_out)
11113176bf2dSZidan Wang {
11123176bf2dSZidan Wang 	struct snd_soc_codec *codec = codec_dai->codec;
11133176bf2dSZidan Wang 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
11143176bf2dSZidan Wang 
11153176bf2dSZidan Wang 	wm8960->freq_in = freq_in;
11163176bf2dSZidan Wang 
11173176bf2dSZidan Wang 	if (pll_id == WM8960_SYSCLK_AUTO)
11183176bf2dSZidan Wang 		return 0;
11193176bf2dSZidan Wang 
11203176bf2dSZidan Wang 	return wm8960_set_pll(codec, freq_in, freq_out);
11213176bf2dSZidan Wang }
11223176bf2dSZidan Wang 
1123f2644a2cSMark Brown static int wm8960_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
1124f2644a2cSMark Brown 		int div_id, int div)
1125f2644a2cSMark Brown {
1126f2644a2cSMark Brown 	struct snd_soc_codec *codec = codec_dai->codec;
1127f2644a2cSMark Brown 	u16 reg;
1128f2644a2cSMark Brown 
1129f2644a2cSMark Brown 	switch (div_id) {
1130f2644a2cSMark Brown 	case WM8960_SYSCLKDIV:
113117a52fd6SMark Brown 		reg = snd_soc_read(codec, WM8960_CLOCK1) & 0x1f9;
113217a52fd6SMark Brown 		snd_soc_write(codec, WM8960_CLOCK1, reg | div);
1133f2644a2cSMark Brown 		break;
1134f2644a2cSMark Brown 	case WM8960_DACDIV:
113517a52fd6SMark Brown 		reg = snd_soc_read(codec, WM8960_CLOCK1) & 0x1c7;
113617a52fd6SMark Brown 		snd_soc_write(codec, WM8960_CLOCK1, reg | div);
1137f2644a2cSMark Brown 		break;
1138f2644a2cSMark Brown 	case WM8960_OPCLKDIV:
113917a52fd6SMark Brown 		reg = snd_soc_read(codec, WM8960_PLL1) & 0x03f;
114017a52fd6SMark Brown 		snd_soc_write(codec, WM8960_PLL1, reg | div);
1141f2644a2cSMark Brown 		break;
1142f2644a2cSMark Brown 	case WM8960_DCLKDIV:
114317a52fd6SMark Brown 		reg = snd_soc_read(codec, WM8960_CLOCK2) & 0x03f;
114417a52fd6SMark Brown 		snd_soc_write(codec, WM8960_CLOCK2, reg | div);
1145f2644a2cSMark Brown 		break;
1146f2644a2cSMark Brown 	case WM8960_TOCLKSEL:
114717a52fd6SMark Brown 		reg = snd_soc_read(codec, WM8960_ADDCTL1) & 0x1fd;
114817a52fd6SMark Brown 		snd_soc_write(codec, WM8960_ADDCTL1, reg | div);
1149f2644a2cSMark Brown 		break;
1150f2644a2cSMark Brown 	default:
1151f2644a2cSMark Brown 		return -EINVAL;
1152f2644a2cSMark Brown 	}
1153f2644a2cSMark Brown 
1154f2644a2cSMark Brown 	return 0;
1155f2644a2cSMark Brown }
1156f2644a2cSMark Brown 
1157f0fba2adSLiam Girdwood static int wm8960_set_bias_level(struct snd_soc_codec *codec,
1158f0fba2adSLiam Girdwood 				 enum snd_soc_bias_level level)
1159f0fba2adSLiam Girdwood {
1160f0fba2adSLiam Girdwood 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
1161f0fba2adSLiam Girdwood 
1162f0fba2adSLiam Girdwood 	return wm8960->set_bias_level(codec, level);
1163f0fba2adSLiam Girdwood }
1164f0fba2adSLiam Girdwood 
11650e50b51aSZidan Wang static int wm8960_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
11660e50b51aSZidan Wang 					unsigned int freq, int dir)
11670e50b51aSZidan Wang {
11680e50b51aSZidan Wang 	struct snd_soc_codec *codec = dai->codec;
11690e50b51aSZidan Wang 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
11700e50b51aSZidan Wang 
11710e50b51aSZidan Wang 	switch (clk_id) {
11720e50b51aSZidan Wang 	case WM8960_SYSCLK_MCLK:
11730e50b51aSZidan Wang 		snd_soc_update_bits(codec, WM8960_CLOCK1,
11740e50b51aSZidan Wang 					0x1, WM8960_SYSCLK_MCLK);
11750e50b51aSZidan Wang 		break;
11760e50b51aSZidan Wang 	case WM8960_SYSCLK_PLL:
11770e50b51aSZidan Wang 		snd_soc_update_bits(codec, WM8960_CLOCK1,
11780e50b51aSZidan Wang 					0x1, WM8960_SYSCLK_PLL);
11790e50b51aSZidan Wang 		break;
11803176bf2dSZidan Wang 	case WM8960_SYSCLK_AUTO:
11813176bf2dSZidan Wang 		break;
11820e50b51aSZidan Wang 	default:
11830e50b51aSZidan Wang 		return -EINVAL;
11840e50b51aSZidan Wang 	}
11850e50b51aSZidan Wang 
11860e50b51aSZidan Wang 	wm8960->sysclk = freq;
11873176bf2dSZidan Wang 	wm8960->clk_id = clk_id;
11880e50b51aSZidan Wang 
11890e50b51aSZidan Wang 	return 0;
11900e50b51aSZidan Wang }
11910e50b51aSZidan Wang 
1192f2644a2cSMark Brown #define WM8960_RATES SNDRV_PCM_RATE_8000_48000
1193f2644a2cSMark Brown 
1194f2644a2cSMark Brown #define WM8960_FORMATS \
1195f2644a2cSMark Brown 	(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
11967a8c7867SZidan Wang 	SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1197f2644a2cSMark Brown 
119885e7652dSLars-Peter Clausen static const struct snd_soc_dai_ops wm8960_dai_ops = {
1199f2644a2cSMark Brown 	.hw_params = wm8960_hw_params,
12003176bf2dSZidan Wang 	.hw_free = wm8960_hw_free,
1201f2644a2cSMark Brown 	.digital_mute = wm8960_mute,
1202f2644a2cSMark Brown 	.set_fmt = wm8960_set_dai_fmt,
1203f2644a2cSMark Brown 	.set_clkdiv = wm8960_set_dai_clkdiv,
1204f2644a2cSMark Brown 	.set_pll = wm8960_set_dai_pll,
12050e50b51aSZidan Wang 	.set_sysclk = wm8960_set_dai_sysclk,
1206f2644a2cSMark Brown };
1207f2644a2cSMark Brown 
1208f0fba2adSLiam Girdwood static struct snd_soc_dai_driver wm8960_dai = {
1209f0fba2adSLiam Girdwood 	.name = "wm8960-hifi",
1210f2644a2cSMark Brown 	.playback = {
1211f2644a2cSMark Brown 		.stream_name = "Playback",
1212f2644a2cSMark Brown 		.channels_min = 1,
1213f2644a2cSMark Brown 		.channels_max = 2,
1214f2644a2cSMark Brown 		.rates = WM8960_RATES,
1215f2644a2cSMark Brown 		.formats = WM8960_FORMATS,},
1216f2644a2cSMark Brown 	.capture = {
1217f2644a2cSMark Brown 		.stream_name = "Capture",
1218f2644a2cSMark Brown 		.channels_min = 1,
1219f2644a2cSMark Brown 		.channels_max = 2,
1220f2644a2cSMark Brown 		.rates = WM8960_RATES,
1221f2644a2cSMark Brown 		.formats = WM8960_FORMATS,},
1222f2644a2cSMark Brown 	.ops = &wm8960_dai_ops,
1223f2644a2cSMark Brown 	.symmetric_rates = 1,
1224f2644a2cSMark Brown };
1225f2644a2cSMark Brown 
1226f0fba2adSLiam Girdwood static int wm8960_probe(struct snd_soc_codec *codec)
1227f2644a2cSMark Brown {
1228f0fba2adSLiam Girdwood 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
1229e2280c90SZidan Wang 	struct wm8960_data *pdata = &wm8960->pdata;
1230f2644a2cSMark Brown 
1231913d7b4cSMark Brown 	if (pdata->capless)
1232f0fba2adSLiam Girdwood 		wm8960->set_bias_level = wm8960_set_bias_level_capless;
1233e2280c90SZidan Wang 	else
1234e2280c90SZidan Wang 		wm8960->set_bias_level = wm8960_set_bias_level_out3;
1235f2644a2cSMark Brown 
1236022658beSLiam Girdwood 	snd_soc_add_codec_controls(codec, wm8960_snd_controls,
1237f0fba2adSLiam Girdwood 				     ARRAY_SIZE(wm8960_snd_controls));
1238f0fba2adSLiam Girdwood 	wm8960_add_widgets(codec);
1239f2644a2cSMark Brown 
1240f2644a2cSMark Brown 	return 0;
1241f2644a2cSMark Brown }
1242f2644a2cSMark Brown 
1243f0fba2adSLiam Girdwood static struct snd_soc_codec_driver soc_codec_dev_wm8960 = {
1244f0fba2adSLiam Girdwood 	.probe =	wm8960_probe,
1245f0fba2adSLiam Girdwood 	.set_bias_level = wm8960_set_bias_level,
12460a87a6e1SLars-Peter Clausen 	.suspend_bias_off = true,
12470ebe36c6SMark Brown };
12480ebe36c6SMark Brown 
12490ebe36c6SMark Brown static const struct regmap_config wm8960_regmap = {
12500ebe36c6SMark Brown 	.reg_bits = 7,
12510ebe36c6SMark Brown 	.val_bits = 9,
12520ebe36c6SMark Brown 	.max_register = WM8960_PLL4,
12530ebe36c6SMark Brown 
12540ebe36c6SMark Brown 	.reg_defaults = wm8960_reg_defaults,
12550ebe36c6SMark Brown 	.num_reg_defaults = ARRAY_SIZE(wm8960_reg_defaults),
12560ebe36c6SMark Brown 	.cache_type = REGCACHE_RBTREE,
12570ebe36c6SMark Brown 
12580ebe36c6SMark Brown 	.volatile_reg = wm8960_volatile,
1259f0fba2adSLiam Girdwood };
1260f0fba2adSLiam Girdwood 
1261e2280c90SZidan Wang static void wm8960_set_pdata_from_of(struct i2c_client *i2c,
1262e2280c90SZidan Wang 				struct wm8960_data *pdata)
1263e2280c90SZidan Wang {
1264e2280c90SZidan Wang 	const struct device_node *np = i2c->dev.of_node;
1265e2280c90SZidan Wang 
1266e2280c90SZidan Wang 	if (of_property_read_bool(np, "wlf,capless"))
1267e2280c90SZidan Wang 		pdata->capless = true;
1268e2280c90SZidan Wang 
1269e2280c90SZidan Wang 	if (of_property_read_bool(np, "wlf,shared-lrclk"))
1270e2280c90SZidan Wang 		pdata->shared_lrclk = true;
1271e2280c90SZidan Wang }
1272e2280c90SZidan Wang 
12737a79e94eSBill Pemberton static int wm8960_i2c_probe(struct i2c_client *i2c,
1274f2644a2cSMark Brown 			    const struct i2c_device_id *id)
1275f2644a2cSMark Brown {
127637061631SMark Brown 	struct wm8960_data *pdata = dev_get_platdata(&i2c->dev);
1277f2644a2cSMark Brown 	struct wm8960_priv *wm8960;
1278f0fba2adSLiam Girdwood 	int ret;
1279f2644a2cSMark Brown 
1280b9791c01SMark Brown 	wm8960 = devm_kzalloc(&i2c->dev, sizeof(struct wm8960_priv),
1281b9791c01SMark Brown 			      GFP_KERNEL);
1282f2644a2cSMark Brown 	if (wm8960 == NULL)
1283f2644a2cSMark Brown 		return -ENOMEM;
1284f2644a2cSMark Brown 
128575aa8868SZidan Wang 	wm8960->mclk = devm_clk_get(&i2c->dev, "mclk");
128675aa8868SZidan Wang 	if (IS_ERR(wm8960->mclk)) {
128775aa8868SZidan Wang 		if (PTR_ERR(wm8960->mclk) == -EPROBE_DEFER)
128875aa8868SZidan Wang 			return -EPROBE_DEFER;
128975aa8868SZidan Wang 	}
129075aa8868SZidan Wang 
1291c5e6f5faSSachin Kamat 	wm8960->regmap = devm_regmap_init_i2c(i2c, &wm8960_regmap);
12920ebe36c6SMark Brown 	if (IS_ERR(wm8960->regmap))
12930ebe36c6SMark Brown 		return PTR_ERR(wm8960->regmap);
12940ebe36c6SMark Brown 
1295e2280c90SZidan Wang 	if (pdata)
1296e2280c90SZidan Wang 		memcpy(&wm8960->pdata, pdata, sizeof(struct wm8960_data));
1297e2280c90SZidan Wang 	else if (i2c->dev.of_node)
1298e2280c90SZidan Wang 		wm8960_set_pdata_from_of(i2c, &wm8960->pdata);
1299e2280c90SZidan Wang 
13003ad5e861SZidan Wang 	ret = wm8960_reset(wm8960->regmap);
13013ad5e861SZidan Wang 	if (ret != 0) {
13023ad5e861SZidan Wang 		dev_err(&i2c->dev, "Failed to issue reset\n");
13033ad5e861SZidan Wang 		return ret;
13043ad5e861SZidan Wang 	}
13053ad5e861SZidan Wang 
13063ad5e861SZidan Wang 	if (wm8960->pdata.shared_lrclk) {
130737061631SMark Brown 		ret = regmap_update_bits(wm8960->regmap, WM8960_ADDCTL2,
130837061631SMark Brown 					 0x4, 0x4);
130937061631SMark Brown 		if (ret != 0) {
131037061631SMark Brown 			dev_err(&i2c->dev, "Failed to enable LRCM: %d\n",
131137061631SMark Brown 				ret);
131237061631SMark Brown 			return ret;
131337061631SMark Brown 		}
131437061631SMark Brown 	}
131537061631SMark Brown 
13163ad5e861SZidan Wang 	/* Latch the update bits */
13173ad5e861SZidan Wang 	regmap_update_bits(wm8960->regmap, WM8960_LINVOL, 0x100, 0x100);
13183ad5e861SZidan Wang 	regmap_update_bits(wm8960->regmap, WM8960_RINVOL, 0x100, 0x100);
13193ad5e861SZidan Wang 	regmap_update_bits(wm8960->regmap, WM8960_LADC, 0x100, 0x100);
13203ad5e861SZidan Wang 	regmap_update_bits(wm8960->regmap, WM8960_RADC, 0x100, 0x100);
13213ad5e861SZidan Wang 	regmap_update_bits(wm8960->regmap, WM8960_LDAC, 0x100, 0x100);
13223ad5e861SZidan Wang 	regmap_update_bits(wm8960->regmap, WM8960_RDAC, 0x100, 0x100);
13233ad5e861SZidan Wang 	regmap_update_bits(wm8960->regmap, WM8960_LOUT1, 0x100, 0x100);
13243ad5e861SZidan Wang 	regmap_update_bits(wm8960->regmap, WM8960_ROUT1, 0x100, 0x100);
13253ad5e861SZidan Wang 	regmap_update_bits(wm8960->regmap, WM8960_LOUT2, 0x100, 0x100);
13263ad5e861SZidan Wang 	regmap_update_bits(wm8960->regmap, WM8960_ROUT2, 0x100, 0x100);
13273ad5e861SZidan Wang 
1328f2644a2cSMark Brown 	i2c_set_clientdata(i2c, wm8960);
1329f2644a2cSMark Brown 
1330f0fba2adSLiam Girdwood 	ret = snd_soc_register_codec(&i2c->dev,
1331f0fba2adSLiam Girdwood 			&soc_codec_dev_wm8960, &wm8960_dai, 1);
1332b9791c01SMark Brown 
1333f0fba2adSLiam Girdwood 	return ret;
1334f2644a2cSMark Brown }
1335f2644a2cSMark Brown 
13367a79e94eSBill Pemberton static int wm8960_i2c_remove(struct i2c_client *client)
1337f2644a2cSMark Brown {
1338f0fba2adSLiam Girdwood 	snd_soc_unregister_codec(&client->dev);
1339f2644a2cSMark Brown 	return 0;
1340f2644a2cSMark Brown }
1341f2644a2cSMark Brown 
1342f2644a2cSMark Brown static const struct i2c_device_id wm8960_i2c_id[] = {
1343f2644a2cSMark Brown 	{ "wm8960", 0 },
1344f2644a2cSMark Brown 	{ }
1345f2644a2cSMark Brown };
1346f2644a2cSMark Brown MODULE_DEVICE_TABLE(i2c, wm8960_i2c_id);
1347f2644a2cSMark Brown 
1348e2280c90SZidan Wang static const struct of_device_id wm8960_of_match[] = {
1349e2280c90SZidan Wang        { .compatible = "wlf,wm8960", },
1350e2280c90SZidan Wang        { }
1351e2280c90SZidan Wang };
1352e2280c90SZidan Wang MODULE_DEVICE_TABLE(of, wm8960_of_match);
1353e2280c90SZidan Wang 
1354f2644a2cSMark Brown static struct i2c_driver wm8960_i2c_driver = {
1355f2644a2cSMark Brown 	.driver = {
1356091edccfSMark Brown 		.name = "wm8960",
1357e2280c90SZidan Wang 		.of_match_table = wm8960_of_match,
1358f2644a2cSMark Brown 	},
1359f2644a2cSMark Brown 	.probe =    wm8960_i2c_probe,
13607a79e94eSBill Pemberton 	.remove =   wm8960_i2c_remove,
1361f2644a2cSMark Brown 	.id_table = wm8960_i2c_id,
1362f2644a2cSMark Brown };
1363f2644a2cSMark Brown 
13643c010e60SSachin Kamat module_i2c_driver(wm8960_i2c_driver);
1365f2644a2cSMark Brown 
1366f2644a2cSMark Brown MODULE_DESCRIPTION("ASoC WM8960 driver");
1367f2644a2cSMark Brown MODULE_AUTHOR("Liam Girdwood");
1368f2644a2cSMark Brown MODULE_LICENSE("GPL");
1369