xref: /openbmc/linux/sound/soc/codecs/wm9713.c (revision dea54fba)
1 /*
2  * wm9713.c  --  ALSA Soc WM9713 codec support
3  *
4  * Copyright 2006-10 Wolfson Microelectronics PLC.
5  * Author: Liam Girdwood <lrg@slimlogic.co.uk>
6  *
7  *  This program is free software; you can redistribute  it and/or modify it
8  *  under  the terms of  the GNU General  Public License as published by the
9  *  Free Software Foundation;  either version 2 of the  License, or (at your
10  *  option) any later version.
11  *
12  *  Features:-
13  *
14  *   o Support for AC97 Codec, Voice DAC and Aux DAC
15  *   o Support for DAPM
16  */
17 
18 #include <linux/init.h>
19 #include <linux/slab.h>
20 #include <linux/module.h>
21 #include <linux/device.h>
22 #include <linux/regmap.h>
23 #include <sound/core.h>
24 #include <sound/pcm.h>
25 #include <sound/ac97_codec.h>
26 #include <sound/initval.h>
27 #include <sound/pcm_params.h>
28 #include <sound/tlv.h>
29 #include <sound/soc.h>
30 
31 #include "wm9713.h"
32 
33 #define WM9713_VENDOR_ID 0x574d4c13
34 #define WM9713_VENDOR_ID_MASK 0xffffffff
35 
36 struct wm9713_priv {
37 	struct snd_ac97 *ac97;
38 	u32 pll_in; /* PLL input frequency */
39 	unsigned int hp_mixer[2];
40 	struct mutex lock;
41 };
42 
43 #define HPL_MIXER 0
44 #define HPR_MIXER 1
45 
46 static const char *wm9713_mic_mixer[] = {"Stereo", "Mic 1", "Mic 2", "Mute"};
47 static const char *wm9713_rec_mux[] = {"Stereo", "Left", "Right", "Mute"};
48 static const char *wm9713_rec_src[] =
49 	{"Mic 1", "Mic 2", "Line", "Mono In", "Headphone", "Speaker",
50 	"Mono Out", "Zh"};
51 static const char *wm9713_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
52 static const char *wm9713_alc_select[] = {"None", "Left", "Right", "Stereo"};
53 static const char *wm9713_mono_pga[] = {"Vmid", "Zh", "Mono", "Inv"};
54 static const char *wm9713_spk_pga[] =
55 	{"Vmid", "Zh", "Headphone", "Speaker", "Inv", "Headphone Vmid",
56 	"Speaker Vmid", "Inv Vmid"};
57 static const char *wm9713_hp_pga[] = {"Vmid", "Zh", "Headphone",
58 	"Headphone Vmid"};
59 static const char *wm9713_out3_pga[] = {"Vmid", "Zh", "Inv 1", "Inv 1 Vmid"};
60 static const char *wm9713_out4_pga[] = {"Vmid", "Zh", "Inv 2", "Inv 2 Vmid"};
61 static const char *wm9713_dac_inv[] =
62 	{"Off", "Mono", "Speaker", "Left Headphone", "Right Headphone",
63 	"Headphone Mono", "NC", "Vmid"};
64 static const char *wm9713_bass[] = {"Linear Control", "Adaptive Boost"};
65 static const char *wm9713_ng_type[] = {"Constant Gain", "Mute"};
66 static const char *wm9713_mic_select[] = {"Mic 1", "Mic 2 A", "Mic 2 B"};
67 static const char *wm9713_micb_select[] = {"MPB", "MPA"};
68 
69 static const struct soc_enum wm9713_enum[] = {
70 SOC_ENUM_SINGLE(AC97_LINE, 3, 4, wm9713_mic_mixer), /* record mic mixer 0 */
71 SOC_ENUM_SINGLE(AC97_VIDEO, 14, 4, wm9713_rec_mux), /* record mux hp 1 */
72 SOC_ENUM_SINGLE(AC97_VIDEO, 9, 4, wm9713_rec_mux),  /* record mux mono 2 */
73 SOC_ENUM_SINGLE(AC97_VIDEO, 3, 8, wm9713_rec_src),  /* record mux left 3 */
74 SOC_ENUM_SINGLE(AC97_VIDEO, 0, 8, wm9713_rec_src),  /* record mux right 4*/
75 SOC_ENUM_DOUBLE(AC97_CD, 14, 6, 2, wm9713_rec_gain), /* record step size 5 */
76 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9713_alc_select), /* alc source select 6*/
77 SOC_ENUM_SINGLE(AC97_REC_GAIN, 14, 4, wm9713_mono_pga), /* mono input select 7 */
78 SOC_ENUM_SINGLE(AC97_REC_GAIN, 11, 8, wm9713_spk_pga), /* speaker left input select 8 */
79 SOC_ENUM_SINGLE(AC97_REC_GAIN, 8, 8, wm9713_spk_pga), /* speaker right input select 9 */
80 SOC_ENUM_SINGLE(AC97_REC_GAIN, 6, 3, wm9713_hp_pga), /* headphone left input 10 */
81 SOC_ENUM_SINGLE(AC97_REC_GAIN, 4, 3, wm9713_hp_pga), /* headphone right input 11 */
82 SOC_ENUM_SINGLE(AC97_REC_GAIN, 2, 4, wm9713_out3_pga), /* out 3 source 12 */
83 SOC_ENUM_SINGLE(AC97_REC_GAIN, 0, 4, wm9713_out4_pga), /* out 4 source 13 */
84 SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 13, 8, wm9713_dac_inv), /* dac invert 1 14 */
85 SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 10, 8, wm9713_dac_inv), /* dac invert 2 15 */
86 SOC_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, wm9713_bass), /* bass control 16 */
87 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9713_ng_type), /* noise gate type 17 */
88 SOC_ENUM_SINGLE(AC97_3D_CONTROL, 12, 3, wm9713_mic_select), /* mic selection 18 */
89 SOC_ENUM_SINGLE_VIRT(2, wm9713_micb_select), /* mic selection 19 */
90 };
91 
92 static const DECLARE_TLV_DB_SCALE(out_tlv, -4650, 150, 0);
93 static const DECLARE_TLV_DB_SCALE(main_tlv, -3450, 150, 0);
94 static const DECLARE_TLV_DB_SCALE(misc_tlv, -1500, 300, 0);
95 static const  DECLARE_TLV_DB_RANGE(mic_tlv,
96 	0, 2, TLV_DB_SCALE_ITEM(1200, 600, 0),
97 	3, 3, TLV_DB_SCALE_ITEM(3000, 0, 0)
98 );
99 
100 static const struct snd_kcontrol_new wm9713_snd_ac97_controls[] = {
101 SOC_DOUBLE_TLV("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1, out_tlv),
102 SOC_DOUBLE("Speaker Playback Switch", AC97_MASTER, 15, 7, 1, 1),
103 SOC_DOUBLE_TLV("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1,
104 	       out_tlv),
105 SOC_DOUBLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 7, 1, 1),
106 SOC_DOUBLE_TLV("Line In Volume", AC97_PC_BEEP, 8, 0, 31, 1, main_tlv),
107 SOC_DOUBLE_TLV("PCM Playback Volume", AC97_PHONE, 8, 0, 31, 1, main_tlv),
108 SOC_SINGLE_TLV("Mic 1 Volume", AC97_MIC, 8, 31, 1, main_tlv),
109 SOC_SINGLE_TLV("Mic 2 Volume", AC97_MIC, 0, 31, 1, main_tlv),
110 SOC_SINGLE_TLV("Mic 1 Preamp Volume", AC97_3D_CONTROL, 10, 3, 0, mic_tlv),
111 SOC_SINGLE_TLV("Mic 2 Preamp Volume", AC97_3D_CONTROL, 12, 3, 0, mic_tlv),
112 
113 SOC_SINGLE("Mic Boost (+20dB) Switch", AC97_LINE, 5, 1, 0),
114 SOC_SINGLE("Mic Headphone Mixer Volume", AC97_LINE, 0, 7, 1),
115 
116 SOC_SINGLE("Capture Switch", AC97_CD, 15, 1, 1),
117 SOC_ENUM("Capture Volume Steps", wm9713_enum[5]),
118 SOC_DOUBLE("Capture Volume", AC97_CD, 8, 0, 31, 0),
119 SOC_SINGLE("Capture ZC Switch", AC97_CD, 7, 1, 0),
120 
121 SOC_SINGLE_TLV("Capture to Headphone Volume", AC97_VIDEO, 11, 7, 1, misc_tlv),
122 SOC_SINGLE("Capture to Mono Boost (+20dB) Switch", AC97_VIDEO, 8, 1, 0),
123 SOC_SINGLE("Capture ADC Boost (+20dB) Switch", AC97_VIDEO, 6, 1, 0),
124 
125 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
126 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
127 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
128 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
129 SOC_ENUM("ALC Function", wm9713_enum[6]),
130 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
131 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 0),
132 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
133 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
134 SOC_ENUM("ALC NG Type", wm9713_enum[17]),
135 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 0),
136 
137 SOC_DOUBLE("Speaker Playback ZC Switch", AC97_MASTER, 14, 6, 1, 0),
138 SOC_DOUBLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 14, 6, 1, 0),
139 
140 SOC_SINGLE("Out4 Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
141 SOC_SINGLE("Out4 Playback ZC Switch", AC97_MASTER_MONO, 14, 1, 0),
142 SOC_SINGLE_TLV("Out4 Playback Volume", AC97_MASTER_MONO, 8, 31, 1, out_tlv),
143 
144 SOC_SINGLE("Out3 Playback Switch", AC97_MASTER_MONO, 7, 1, 1),
145 SOC_SINGLE("Out3 Playback ZC Switch", AC97_MASTER_MONO, 6, 1, 0),
146 SOC_SINGLE_TLV("Out3 Playback Volume", AC97_MASTER_MONO, 0, 31, 1, out_tlv),
147 
148 SOC_SINGLE_TLV("Mono Capture Volume", AC97_MASTER_TONE, 8, 31, 1, main_tlv),
149 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_TONE, 7, 1, 1),
150 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_TONE, 6, 1, 0),
151 SOC_SINGLE_TLV("Mono Playback Volume", AC97_MASTER_TONE, 0, 31, 1, out_tlv),
152 
153 SOC_SINGLE_TLV("Headphone Mixer Beep Playback Volume", AC97_AUX, 12, 7, 1,
154 	       misc_tlv),
155 SOC_SINGLE_TLV("Speaker Mixer Beep Playback Volume", AC97_AUX, 8, 7, 1,
156 	       misc_tlv),
157 SOC_SINGLE_TLV("Mono Mixer Beep Playback Volume", AC97_AUX, 4, 7, 1, misc_tlv),
158 
159 SOC_SINGLE_TLV("Voice Playback Headphone Volume", AC97_PCM, 12, 7, 1,
160 	       misc_tlv),
161 SOC_SINGLE("Voice Playback Master Volume", AC97_PCM, 8, 7, 1),
162 SOC_SINGLE("Voice Playback Mono Volume", AC97_PCM, 4, 7, 1),
163 
164 SOC_SINGLE_TLV("Headphone Mixer Aux Playback Volume", AC97_REC_SEL, 12, 7, 1,
165 	       misc_tlv),
166 
167 SOC_SINGLE_TLV("Speaker Mixer Voice Playback Volume", AC97_PCM, 8, 7, 1,
168 	       misc_tlv),
169 SOC_SINGLE_TLV("Speaker Mixer Aux Playback Volume", AC97_REC_SEL, 8, 7, 1,
170 	       misc_tlv),
171 
172 SOC_SINGLE_TLV("Mono Mixer Voice Playback Volume", AC97_PCM, 4, 7, 1,
173 	       misc_tlv),
174 SOC_SINGLE_TLV("Mono Mixer Aux Playback Volume", AC97_REC_SEL, 4, 7, 1,
175 	       misc_tlv),
176 
177 SOC_SINGLE("Aux Playback Headphone Volume", AC97_REC_SEL, 12, 7, 1),
178 SOC_SINGLE("Aux Playback Master Volume", AC97_REC_SEL, 8, 7, 1),
179 
180 SOC_ENUM("Bass Control", wm9713_enum[16]),
181 SOC_SINGLE("Bass Cut-off Switch", AC97_GENERAL_PURPOSE, 12, 1, 1),
182 SOC_SINGLE("Tone Cut-off Switch", AC97_GENERAL_PURPOSE, 4, 1, 1),
183 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_GENERAL_PURPOSE, 6, 1, 0),
184 SOC_SINGLE("Bass Volume", AC97_GENERAL_PURPOSE, 8, 15, 1),
185 SOC_SINGLE("Tone Volume", AC97_GENERAL_PURPOSE, 0, 15, 1),
186 
187 SOC_SINGLE("3D Upper Cut-off Switch", AC97_REC_GAIN_MIC, 5, 1, 0),
188 SOC_SINGLE("3D Lower Cut-off Switch", AC97_REC_GAIN_MIC, 4, 1, 0),
189 SOC_SINGLE("3D Depth", AC97_REC_GAIN_MIC, 0, 15, 1),
190 };
191 
192 static int wm9713_voice_shutdown(struct snd_soc_dapm_widget *w,
193 				 struct snd_kcontrol *kcontrol, int event)
194 {
195 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
196 
197 	if (WARN_ON(event != SND_SOC_DAPM_PRE_PMD))
198 		return -EINVAL;
199 
200 	/* Gracefully shut down the voice interface. */
201 	snd_soc_update_bits(codec, AC97_HANDSET_RATE, 0x0f00, 0x0200);
202 	schedule_timeout_interruptible(msecs_to_jiffies(1));
203 	snd_soc_update_bits(codec, AC97_HANDSET_RATE, 0x0f00, 0x0f00);
204 	snd_soc_update_bits(codec, AC97_EXTENDED_MID, 0x1000, 0x1000);
205 
206 	return 0;
207 }
208 
209 static const unsigned int wm9713_mixer_mute_regs[] = {
210 	AC97_PC_BEEP,
211 	AC97_MASTER_TONE,
212 	AC97_PHONE,
213 	AC97_REC_SEL,
214 	AC97_PCM,
215 	AC97_AUX,
216 };
217 
218 /* We have to create a fake left and right HP mixers because
219  * the codec only has a single control that is shared by both channels.
220  * This makes it impossible to determine the audio path using the current
221  * register map, thus we add a new (virtual) register to help determine the
222  * audio route within the device.
223  */
224 static int wm9713_hp_mixer_put(struct snd_kcontrol *kcontrol,
225 	struct snd_ctl_elem_value *ucontrol)
226 {
227 	struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
228 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
229 	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
230 	unsigned int val = ucontrol->value.integer.value[0];
231 	struct soc_mixer_control *mc =
232 		(struct soc_mixer_control *)kcontrol->private_value;
233 	unsigned int mixer, mask, shift, old;
234 	struct snd_soc_dapm_update update = { 0 };
235 	bool change;
236 
237 	mixer = mc->shift >> 8;
238 	shift = mc->shift & 0xff;
239 	mask = (1 << shift);
240 
241 	mutex_lock(&wm9713->lock);
242 	old = wm9713->hp_mixer[mixer];
243 	if (ucontrol->value.integer.value[0])
244 		wm9713->hp_mixer[mixer] |= mask;
245 	else
246 		wm9713->hp_mixer[mixer] &= ~mask;
247 
248 	change = old != wm9713->hp_mixer[mixer];
249 	if (change) {
250 		update.kcontrol = kcontrol;
251 		update.reg = wm9713_mixer_mute_regs[shift];
252 		update.mask = 0x8000;
253 		if ((wm9713->hp_mixer[0] & mask) ||
254 		    (wm9713->hp_mixer[1] & mask))
255 			update.val = 0x0;
256 		else
257 			update.val = 0x8000;
258 
259 		snd_soc_dapm_mixer_update_power(dapm, kcontrol, val,
260 			&update);
261 	}
262 
263 	mutex_unlock(&wm9713->lock);
264 
265 	return change;
266 }
267 
268 static int wm9713_hp_mixer_get(struct snd_kcontrol *kcontrol,
269 	struct snd_ctl_elem_value *ucontrol)
270 {
271 	struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
272 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
273 	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
274 	struct soc_mixer_control *mc =
275 		(struct soc_mixer_control *)kcontrol->private_value;
276 	unsigned int mixer, shift;
277 
278 	mixer = mc->shift >> 8;
279 	shift = mc->shift & 0xff;
280 
281 	ucontrol->value.integer.value[0] =
282 		(wm9713->hp_mixer[mixer] >> shift) & 1;
283 
284 	return 0;
285 }
286 
287 #define WM9713_HP_MIXER_CTRL(xname, xmixer, xshift) { \
288 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
289 	.info = snd_soc_info_volsw, \
290 	.get = wm9713_hp_mixer_get, .put = wm9713_hp_mixer_put, \
291 	.private_value = SOC_DOUBLE_VALUE(SND_SOC_NOPM, \
292 		xshift, xmixer, 1, 0, 0) \
293 }
294 
295 /* Left Headphone Mixers */
296 static const struct snd_kcontrol_new wm9713_hpl_mixer_controls[] = {
297 WM9713_HP_MIXER_CTRL("Beep Playback Switch", HPL_MIXER, 5),
298 WM9713_HP_MIXER_CTRL("Voice Playback Switch", HPL_MIXER, 4),
299 WM9713_HP_MIXER_CTRL("Aux Playback Switch", HPL_MIXER, 3),
300 WM9713_HP_MIXER_CTRL("PCM Playback Switch", HPL_MIXER, 2),
301 WM9713_HP_MIXER_CTRL("MonoIn Playback Switch", HPL_MIXER, 1),
302 WM9713_HP_MIXER_CTRL("Bypass Playback Switch", HPL_MIXER, 0),
303 };
304 
305 /* Right Headphone Mixers */
306 static const struct snd_kcontrol_new wm9713_hpr_mixer_controls[] = {
307 WM9713_HP_MIXER_CTRL("Beep Playback Switch", HPR_MIXER, 5),
308 WM9713_HP_MIXER_CTRL("Voice Playback Switch", HPR_MIXER, 4),
309 WM9713_HP_MIXER_CTRL("Aux Playback Switch", HPR_MIXER, 3),
310 WM9713_HP_MIXER_CTRL("PCM Playback Switch", HPR_MIXER, 2),
311 WM9713_HP_MIXER_CTRL("MonoIn Playback Switch", HPR_MIXER, 1),
312 WM9713_HP_MIXER_CTRL("Bypass Playback Switch", HPR_MIXER, 0),
313 };
314 
315 /* headphone capture mux */
316 static const struct snd_kcontrol_new wm9713_hp_rec_mux_controls =
317 SOC_DAPM_ENUM("Route", wm9713_enum[1]);
318 
319 /* headphone mic mux */
320 static const struct snd_kcontrol_new wm9713_hp_mic_mux_controls =
321 SOC_DAPM_ENUM("Route", wm9713_enum[0]);
322 
323 /* Speaker Mixer */
324 static const struct snd_kcontrol_new wm9713_speaker_mixer_controls[] = {
325 SOC_DAPM_SINGLE("Beep Playback Switch", AC97_AUX, 11, 1, 1),
326 SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 11, 1, 1),
327 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 11, 1, 1),
328 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 14, 1, 1),
329 SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 14, 1, 1),
330 SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 14, 1, 1),
331 };
332 
333 /* Mono Mixer */
334 static const struct snd_kcontrol_new wm9713_mono_mixer_controls[] = {
335 SOC_DAPM_SINGLE("Beep Playback Switch", AC97_AUX, 7, 1, 1),
336 SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 7, 1, 1),
337 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 7, 1, 1),
338 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 13, 1, 1),
339 SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 13, 1, 1),
340 SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 13, 1, 1),
341 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_LINE, 7, 1, 1),
342 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_LINE, 6, 1, 1),
343 };
344 
345 /* mono mic mux */
346 static const struct snd_kcontrol_new wm9713_mono_mic_mux_controls =
347 SOC_DAPM_ENUM("Route", wm9713_enum[2]);
348 
349 /* mono output mux */
350 static const struct snd_kcontrol_new wm9713_mono_mux_controls =
351 SOC_DAPM_ENUM("Route", wm9713_enum[7]);
352 
353 /* speaker left output mux */
354 static const struct snd_kcontrol_new wm9713_hp_spkl_mux_controls =
355 SOC_DAPM_ENUM("Route", wm9713_enum[8]);
356 
357 /* speaker right output mux */
358 static const struct snd_kcontrol_new wm9713_hp_spkr_mux_controls =
359 SOC_DAPM_ENUM("Route", wm9713_enum[9]);
360 
361 /* headphone left output mux */
362 static const struct snd_kcontrol_new wm9713_hpl_out_mux_controls =
363 SOC_DAPM_ENUM("Route", wm9713_enum[10]);
364 
365 /* headphone right output mux */
366 static const struct snd_kcontrol_new wm9713_hpr_out_mux_controls =
367 SOC_DAPM_ENUM("Route", wm9713_enum[11]);
368 
369 /* Out3 mux */
370 static const struct snd_kcontrol_new wm9713_out3_mux_controls =
371 SOC_DAPM_ENUM("Route", wm9713_enum[12]);
372 
373 /* Out4 mux */
374 static const struct snd_kcontrol_new wm9713_out4_mux_controls =
375 SOC_DAPM_ENUM("Route", wm9713_enum[13]);
376 
377 /* DAC inv mux 1 */
378 static const struct snd_kcontrol_new wm9713_dac_inv1_mux_controls =
379 SOC_DAPM_ENUM("Route", wm9713_enum[14]);
380 
381 /* DAC inv mux 2 */
382 static const struct snd_kcontrol_new wm9713_dac_inv2_mux_controls =
383 SOC_DAPM_ENUM("Route", wm9713_enum[15]);
384 
385 /* Capture source left */
386 static const struct snd_kcontrol_new wm9713_rec_srcl_mux_controls =
387 SOC_DAPM_ENUM("Route", wm9713_enum[3]);
388 
389 /* Capture source right */
390 static const struct snd_kcontrol_new wm9713_rec_srcr_mux_controls =
391 SOC_DAPM_ENUM("Route", wm9713_enum[4]);
392 
393 /* mic source */
394 static const struct snd_kcontrol_new wm9713_mic_sel_mux_controls =
395 SOC_DAPM_ENUM("Route", wm9713_enum[18]);
396 
397 /* mic source B virtual control */
398 static const struct snd_kcontrol_new wm9713_micb_sel_mux_controls =
399 SOC_DAPM_ENUM("Route", wm9713_enum[19]);
400 
401 static const struct snd_soc_dapm_widget wm9713_dapm_widgets[] = {
402 SND_SOC_DAPM_MUX("Capture Headphone Mux", SND_SOC_NOPM, 0, 0,
403 	&wm9713_hp_rec_mux_controls),
404 SND_SOC_DAPM_MUX("Sidetone Mux", SND_SOC_NOPM, 0, 0,
405 	&wm9713_hp_mic_mux_controls),
406 SND_SOC_DAPM_MUX("Capture Mono Mux", SND_SOC_NOPM, 0, 0,
407 	&wm9713_mono_mic_mux_controls),
408 SND_SOC_DAPM_MUX("Mono Out Mux", SND_SOC_NOPM, 0, 0,
409 	&wm9713_mono_mux_controls),
410 SND_SOC_DAPM_MUX("Left Speaker Out Mux", SND_SOC_NOPM, 0, 0,
411 	&wm9713_hp_spkl_mux_controls),
412 SND_SOC_DAPM_MUX("Right Speaker Out Mux", SND_SOC_NOPM, 0, 0,
413 	&wm9713_hp_spkr_mux_controls),
414 SND_SOC_DAPM_MUX("Left Headphone Out Mux", SND_SOC_NOPM, 0, 0,
415 	&wm9713_hpl_out_mux_controls),
416 SND_SOC_DAPM_MUX("Right Headphone Out Mux", SND_SOC_NOPM, 0, 0,
417 	&wm9713_hpr_out_mux_controls),
418 SND_SOC_DAPM_MUX("Out 3 Mux", SND_SOC_NOPM, 0, 0,
419 	&wm9713_out3_mux_controls),
420 SND_SOC_DAPM_MUX("Out 4 Mux", SND_SOC_NOPM, 0, 0,
421 	&wm9713_out4_mux_controls),
422 SND_SOC_DAPM_MUX("DAC Inv Mux 1", SND_SOC_NOPM, 0, 0,
423 	&wm9713_dac_inv1_mux_controls),
424 SND_SOC_DAPM_MUX("DAC Inv Mux 2", SND_SOC_NOPM, 0, 0,
425 	&wm9713_dac_inv2_mux_controls),
426 SND_SOC_DAPM_MUX("Left Capture Source", SND_SOC_NOPM, 0, 0,
427 	&wm9713_rec_srcl_mux_controls),
428 SND_SOC_DAPM_MUX("Right Capture Source", SND_SOC_NOPM, 0, 0,
429 	&wm9713_rec_srcr_mux_controls),
430 SND_SOC_DAPM_MUX("Mic A Source", SND_SOC_NOPM, 0, 0,
431 	&wm9713_mic_sel_mux_controls),
432 SND_SOC_DAPM_MUX("Mic B Source", SND_SOC_NOPM, 0, 0,
433 	&wm9713_micb_sel_mux_controls),
434 SND_SOC_DAPM_MIXER("Left HP Mixer", AC97_EXTENDED_MID, 3, 1,
435 	&wm9713_hpl_mixer_controls[0], ARRAY_SIZE(wm9713_hpl_mixer_controls)),
436 SND_SOC_DAPM_MIXER("Right HP Mixer", AC97_EXTENDED_MID, 2, 1,
437 	&wm9713_hpr_mixer_controls[0], ARRAY_SIZE(wm9713_hpr_mixer_controls)),
438 SND_SOC_DAPM_MIXER("Mono Mixer", AC97_EXTENDED_MID, 0, 1,
439 	&wm9713_mono_mixer_controls[0], ARRAY_SIZE(wm9713_mono_mixer_controls)),
440 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_EXTENDED_MID, 1, 1,
441 	&wm9713_speaker_mixer_controls[0],
442 	ARRAY_SIZE(wm9713_speaker_mixer_controls)),
443 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_EXTENDED_MID, 7, 1),
444 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_EXTENDED_MID, 6, 1),
445 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
446 SND_SOC_DAPM_MIXER("HP Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
447 SND_SOC_DAPM_MIXER("Line Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
448 SND_SOC_DAPM_MIXER("Capture Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
449 SND_SOC_DAPM_DAC_E("Voice DAC", "Voice Playback", AC97_EXTENDED_MID, 12, 1,
450 		   wm9713_voice_shutdown, SND_SOC_DAPM_PRE_PMD),
451 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", AC97_EXTENDED_MID, 11, 1),
452 SND_SOC_DAPM_PGA("Left ADC", AC97_EXTENDED_MID, 5, 1, NULL, 0),
453 SND_SOC_DAPM_PGA("Right ADC", AC97_EXTENDED_MID, 4, 1, NULL, 0),
454 SND_SOC_DAPM_ADC("Left HiFi ADC", "Left HiFi Capture", SND_SOC_NOPM, 0, 0),
455 SND_SOC_DAPM_ADC("Right HiFi ADC", "Right HiFi Capture", SND_SOC_NOPM, 0, 0),
456 SND_SOC_DAPM_ADC("Left Voice ADC", "Left Voice Capture", SND_SOC_NOPM, 0, 0),
457 SND_SOC_DAPM_ADC("Right Voice ADC", "Right Voice Capture", SND_SOC_NOPM, 0, 0),
458 SND_SOC_DAPM_PGA("Left Headphone", AC97_EXTENDED_MSTATUS, 10, 1, NULL, 0),
459 SND_SOC_DAPM_PGA("Right Headphone", AC97_EXTENDED_MSTATUS, 9, 1, NULL, 0),
460 SND_SOC_DAPM_PGA("Left Speaker", AC97_EXTENDED_MSTATUS, 8, 1, NULL, 0),
461 SND_SOC_DAPM_PGA("Right Speaker", AC97_EXTENDED_MSTATUS, 7, 1, NULL, 0),
462 SND_SOC_DAPM_PGA("Out 3", AC97_EXTENDED_MSTATUS, 11, 1, NULL, 0),
463 SND_SOC_DAPM_PGA("Out 4", AC97_EXTENDED_MSTATUS, 12, 1, NULL, 0),
464 SND_SOC_DAPM_PGA("Mono Out", AC97_EXTENDED_MSTATUS, 13, 1, NULL, 0),
465 SND_SOC_DAPM_PGA("Left Line In", AC97_EXTENDED_MSTATUS, 6, 1, NULL, 0),
466 SND_SOC_DAPM_PGA("Right Line In", AC97_EXTENDED_MSTATUS, 5, 1, NULL, 0),
467 SND_SOC_DAPM_PGA("Mono In", AC97_EXTENDED_MSTATUS, 4, 1, NULL, 0),
468 SND_SOC_DAPM_PGA("Mic A PGA", AC97_EXTENDED_MSTATUS, 3, 1, NULL, 0),
469 SND_SOC_DAPM_PGA("Mic B PGA", AC97_EXTENDED_MSTATUS, 2, 1, NULL, 0),
470 SND_SOC_DAPM_PGA("Mic A Pre Amp", AC97_EXTENDED_MSTATUS, 1, 1, NULL, 0),
471 SND_SOC_DAPM_PGA("Mic B Pre Amp", AC97_EXTENDED_MSTATUS, 0, 1, NULL, 0),
472 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_EXTENDED_MSTATUS, 14, 1),
473 SND_SOC_DAPM_OUTPUT("MONO"),
474 SND_SOC_DAPM_OUTPUT("HPL"),
475 SND_SOC_DAPM_OUTPUT("HPR"),
476 SND_SOC_DAPM_OUTPUT("SPKL"),
477 SND_SOC_DAPM_OUTPUT("SPKR"),
478 SND_SOC_DAPM_OUTPUT("OUT3"),
479 SND_SOC_DAPM_OUTPUT("OUT4"),
480 SND_SOC_DAPM_INPUT("LINEL"),
481 SND_SOC_DAPM_INPUT("LINER"),
482 SND_SOC_DAPM_INPUT("MONOIN"),
483 SND_SOC_DAPM_INPUT("PCBEEP"),
484 SND_SOC_DAPM_INPUT("MIC1"),
485 SND_SOC_DAPM_INPUT("MIC2A"),
486 SND_SOC_DAPM_INPUT("MIC2B"),
487 SND_SOC_DAPM_VMID("VMID"),
488 };
489 
490 static const struct snd_soc_dapm_route wm9713_audio_map[] = {
491 	/* left HP mixer */
492 	{"Left HP Mixer", "Beep Playback Switch",    "PCBEEP"},
493 	{"Left HP Mixer", "Voice Playback Switch",   "Voice DAC"},
494 	{"Left HP Mixer", "Aux Playback Switch",     "Aux DAC"},
495 	{"Left HP Mixer", "Bypass Playback Switch",  "Left Line In"},
496 	{"Left HP Mixer", "PCM Playback Switch",     "Left DAC"},
497 	{"Left HP Mixer", "MonoIn Playback Switch",  "Mono In"},
498 	{"Left HP Mixer", NULL,  "Capture Headphone Mux"},
499 
500 	/* right HP mixer */
501 	{"Right HP Mixer", "Beep Playback Switch",    "PCBEEP"},
502 	{"Right HP Mixer", "Voice Playback Switch",   "Voice DAC"},
503 	{"Right HP Mixer", "Aux Playback Switch",     "Aux DAC"},
504 	{"Right HP Mixer", "Bypass Playback Switch",  "Right Line In"},
505 	{"Right HP Mixer", "PCM Playback Switch",     "Right DAC"},
506 	{"Right HP Mixer", "MonoIn Playback Switch",  "Mono In"},
507 	{"Right HP Mixer", NULL,  "Capture Headphone Mux"},
508 
509 	/* virtual mixer - mixes left & right channels for spk and mono */
510 	{"AC97 Mixer", NULL, "Left DAC"},
511 	{"AC97 Mixer", NULL, "Right DAC"},
512 	{"Line Mixer", NULL, "Right Line In"},
513 	{"Line Mixer", NULL, "Left Line In"},
514 	{"HP Mixer", NULL, "Left HP Mixer"},
515 	{"HP Mixer", NULL, "Right HP Mixer"},
516 	{"Capture Mixer", NULL, "Left Capture Source"},
517 	{"Capture Mixer", NULL, "Right Capture Source"},
518 
519 	/* speaker mixer */
520 	{"Speaker Mixer", "Beep Playback Switch",    "PCBEEP"},
521 	{"Speaker Mixer", "Voice Playback Switch",   "Voice DAC"},
522 	{"Speaker Mixer", "Aux Playback Switch",     "Aux DAC"},
523 	{"Speaker Mixer", "Bypass Playback Switch",  "Line Mixer"},
524 	{"Speaker Mixer", "PCM Playback Switch",     "AC97 Mixer"},
525 	{"Speaker Mixer", "MonoIn Playback Switch",  "Mono In"},
526 
527 	/* mono mixer */
528 	{"Mono Mixer", "Beep Playback Switch",    "PCBEEP"},
529 	{"Mono Mixer", "Voice Playback Switch",   "Voice DAC"},
530 	{"Mono Mixer", "Aux Playback Switch",     "Aux DAC"},
531 	{"Mono Mixer", "Bypass Playback Switch",  "Line Mixer"},
532 	{"Mono Mixer", "PCM Playback Switch",     "AC97 Mixer"},
533 	{"Mono Mixer", "Mic 1 Sidetone Switch", "Mic A PGA"},
534 	{"Mono Mixer", "Mic 2 Sidetone Switch", "Mic B PGA"},
535 	{"Mono Mixer", NULL,  "Capture Mono Mux"},
536 
537 	/* DAC inv mux 1 */
538 	{"DAC Inv Mux 1", "Mono", "Mono Mixer"},
539 	{"DAC Inv Mux 1", "Speaker", "Speaker Mixer"},
540 	{"DAC Inv Mux 1", "Left Headphone", "Left HP Mixer"},
541 	{"DAC Inv Mux 1", "Right Headphone", "Right HP Mixer"},
542 	{"DAC Inv Mux 1", "Headphone Mono", "HP Mixer"},
543 
544 	/* DAC inv mux 2 */
545 	{"DAC Inv Mux 2", "Mono", "Mono Mixer"},
546 	{"DAC Inv Mux 2", "Speaker", "Speaker Mixer"},
547 	{"DAC Inv Mux 2", "Left Headphone", "Left HP Mixer"},
548 	{"DAC Inv Mux 2", "Right Headphone", "Right HP Mixer"},
549 	{"DAC Inv Mux 2", "Headphone Mono", "HP Mixer"},
550 
551 	/* headphone left mux */
552 	{"Left Headphone Out Mux", "Headphone", "Left HP Mixer"},
553 
554 	/* headphone right mux */
555 	{"Right Headphone Out Mux", "Headphone", "Right HP Mixer"},
556 
557 	/* speaker left mux */
558 	{"Left Speaker Out Mux", "Headphone", "Left HP Mixer"},
559 	{"Left Speaker Out Mux", "Speaker", "Speaker Mixer"},
560 	{"Left Speaker Out Mux", "Inv", "DAC Inv Mux 1"},
561 
562 	/* speaker right mux */
563 	{"Right Speaker Out Mux", "Headphone", "Right HP Mixer"},
564 	{"Right Speaker Out Mux", "Speaker", "Speaker Mixer"},
565 	{"Right Speaker Out Mux", "Inv", "DAC Inv Mux 2"},
566 
567 	/* mono mux */
568 	{"Mono Out Mux", "Mono", "Mono Mixer"},
569 	{"Mono Out Mux", "Inv", "DAC Inv Mux 1"},
570 
571 	/* out 3 mux */
572 	{"Out 3 Mux", "Inv 1", "DAC Inv Mux 1"},
573 
574 	/* out 4 mux */
575 	{"Out 4 Mux", "Inv 2", "DAC Inv Mux 2"},
576 
577 	/* output pga */
578 	{"HPL", NULL, "Left Headphone"},
579 	{"Left Headphone", NULL, "Left Headphone Out Mux"},
580 	{"HPR", NULL, "Right Headphone"},
581 	{"Right Headphone", NULL, "Right Headphone Out Mux"},
582 	{"OUT3", NULL, "Out 3"},
583 	{"Out 3", NULL, "Out 3 Mux"},
584 	{"OUT4", NULL, "Out 4"},
585 	{"Out 4", NULL, "Out 4 Mux"},
586 	{"SPKL", NULL, "Left Speaker"},
587 	{"Left Speaker", NULL, "Left Speaker Out Mux"},
588 	{"SPKR", NULL, "Right Speaker"},
589 	{"Right Speaker", NULL, "Right Speaker Out Mux"},
590 	{"MONO", NULL, "Mono Out"},
591 	{"Mono Out", NULL, "Mono Out Mux"},
592 
593 	/* input pga */
594 	{"Left Line In", NULL, "LINEL"},
595 	{"Right Line In", NULL, "LINER"},
596 	{"Mono In", NULL, "MONOIN"},
597 	{"Mic A PGA", NULL, "Mic A Pre Amp"},
598 	{"Mic B PGA", NULL, "Mic B Pre Amp"},
599 
600 	/* left capture select */
601 	{"Left Capture Source", "Mic 1", "Mic A Pre Amp"},
602 	{"Left Capture Source", "Mic 2", "Mic B Pre Amp"},
603 	{"Left Capture Source", "Line", "LINEL"},
604 	{"Left Capture Source", "Mono In", "MONOIN"},
605 	{"Left Capture Source", "Headphone", "Left HP Mixer"},
606 	{"Left Capture Source", "Speaker", "Speaker Mixer"},
607 	{"Left Capture Source", "Mono Out", "Mono Mixer"},
608 
609 	/* right capture select */
610 	{"Right Capture Source", "Mic 1", "Mic A Pre Amp"},
611 	{"Right Capture Source", "Mic 2", "Mic B Pre Amp"},
612 	{"Right Capture Source", "Line", "LINER"},
613 	{"Right Capture Source", "Mono In", "MONOIN"},
614 	{"Right Capture Source", "Headphone", "Right HP Mixer"},
615 	{"Right Capture Source", "Speaker", "Speaker Mixer"},
616 	{"Right Capture Source", "Mono Out", "Mono Mixer"},
617 
618 	/* left ADC */
619 	{"Left ADC", NULL, "Left Capture Source"},
620 	{"Left Voice ADC", NULL, "Left ADC"},
621 	{"Left HiFi ADC", NULL, "Left ADC"},
622 
623 	/* right ADC */
624 	{"Right ADC", NULL, "Right Capture Source"},
625 	{"Right Voice ADC", NULL, "Right ADC"},
626 	{"Right HiFi ADC", NULL, "Right ADC"},
627 
628 	/* mic */
629 	{"Mic A Pre Amp", NULL, "Mic A Source"},
630 	{"Mic A Source", "Mic 1", "MIC1"},
631 	{"Mic A Source", "Mic 2 A", "MIC2A"},
632 	{"Mic A Source", "Mic 2 B", "Mic B Source"},
633 	{"Mic B Pre Amp", "MPB", "Mic B Source"},
634 	{"Mic B Source", NULL, "MIC2B"},
635 
636 	/* headphone capture */
637 	{"Capture Headphone Mux", "Stereo", "Capture Mixer"},
638 	{"Capture Headphone Mux", "Left", "Left Capture Source"},
639 	{"Capture Headphone Mux", "Right", "Right Capture Source"},
640 
641 	/* mono capture */
642 	{"Capture Mono Mux", "Stereo", "Capture Mixer"},
643 	{"Capture Mono Mux", "Left", "Left Capture Source"},
644 	{"Capture Mono Mux", "Right", "Right Capture Source"},
645 };
646 
647 static bool wm9713_readable_reg(struct device *dev, unsigned int reg)
648 {
649 	switch (reg) {
650 	case AC97_RESET ... AC97_PCM_SURR_DAC_RATE:
651 	case AC97_PCM_LR_ADC_RATE:
652 	case AC97_CENTER_LFE_MASTER:
653 	case AC97_SPDIF ... AC97_LINE1_LEVEL:
654 	case AC97_GPIO_CFG ... 0x5c:
655 	case AC97_CODEC_CLASS_REV ... AC97_PCI_SID:
656 	case 0x74 ... AC97_VENDOR_ID2:
657 		return true;
658 	default:
659 		return false;
660 	}
661 }
662 
663 static bool wm9713_writeable_reg(struct device *dev, unsigned int reg)
664 {
665 	switch (reg) {
666 	case AC97_VENDOR_ID1:
667 	case AC97_VENDOR_ID2:
668 		return false;
669 	default:
670 		return wm9713_readable_reg(dev, reg);
671 	}
672 }
673 
674 static const struct reg_default wm9713_reg_defaults[] = {
675 	{ 0x02, 0x8080 },	/* Speaker Output Volume */
676 	{ 0x04, 0x8080 },	/* Headphone Output Volume */
677 	{ 0x06, 0x8080 },	/* Out3/OUT4 Volume */
678 	{ 0x08, 0xc880 },	/* Mono Volume */
679 	{ 0x0a, 0xe808 },	/* LINEIN Volume */
680 	{ 0x0c, 0xe808 },	/* DAC PGA Volume */
681 	{ 0x0e, 0x0808 },	/* MIC PGA Volume */
682 	{ 0x10, 0x00da },	/* MIC Routing Control */
683 	{ 0x12, 0x8000 },	/* Record PGA Volume */
684 	{ 0x14, 0xd600 },	/* Record Routing */
685 	{ 0x16, 0xaaa0 },	/* PCBEEP Volume */
686 	{ 0x18, 0xaaa0 },	/* VxDAC Volume */
687 	{ 0x1a, 0xaaa0 },	/* AUXDAC Volume */
688 	{ 0x1c, 0x0000 },	/* Output PGA Mux */
689 	{ 0x1e, 0x0000 },	/* DAC 3D control */
690 	{ 0x20, 0x0f0f },	/* DAC Tone Control*/
691 	{ 0x22, 0x0040 },	/* MIC Input Select & Bias */
692 	{ 0x24, 0x0000 },	/* Output Volume Mapping & Jack */
693 	{ 0x26, 0x7f00 },	/* Powerdown Ctrl/Stat*/
694 	{ 0x28, 0x0405 },	/* Extended Audio ID */
695 	{ 0x2a, 0x0410 },	/* Extended Audio Start/Ctrl */
696 	{ 0x2c, 0xbb80 },	/* Audio DACs Sample Rate */
697 	{ 0x2e, 0xbb80 },	/* AUXDAC Sample Rate */
698 	{ 0x32, 0xbb80 },	/* Audio ADCs Sample Rate */
699 	{ 0x36, 0x4523 },	/* PCM codec control */
700 	{ 0x3a, 0x2000 },	/* SPDIF control */
701 	{ 0x3c, 0xfdff },	/* Powerdown 1 */
702 	{ 0x3e, 0xffff },	/* Powerdown 2 */
703 	{ 0x40, 0x0000 },	/* General Purpose */
704 	{ 0x42, 0x0000 },	/* Fast Power-Up Control */
705 	{ 0x44, 0x0080 },	/* MCLK/PLL Control */
706 	{ 0x46, 0x0000 },	/* MCLK/PLL Control */
707 	{ 0x4c, 0xfffe },	/* GPIO Pin Configuration */
708 	{ 0x4e, 0xffff },	/* GPIO Pin Polarity / Type */
709 	{ 0x50, 0x0000 },	/* GPIO Pin Sticky */
710 	{ 0x52, 0x0000 },	/* GPIO Pin Wake-Up */
711 				/* GPIO Pin Status */
712 	{ 0x56, 0xfffe },	/* GPIO Pin Sharing */
713 	{ 0x58, 0x4000 },	/* GPIO PullUp/PullDown */
714 	{ 0x5a, 0x0000 },	/* Additional Functions 1 */
715 	{ 0x5c, 0x0000 },	/* Additional Functions 2 */
716 	{ 0x60, 0xb032 },	/* ALC Control */
717 	{ 0x62, 0x3e00 },	/* ALC / Noise Gate Control */
718 	{ 0x64, 0x0000 },	/* AUXDAC input control */
719 	{ 0x74, 0x0000 },	/* Digitiser Reg 1 */
720 	{ 0x76, 0x0006 },	/* Digitiser Reg 2 */
721 	{ 0x78, 0x0001 },	/* Digitiser Reg 3 */
722 	{ 0x7a, 0x0000 },	/* Digitiser Read Back */
723 };
724 
725 static const struct regmap_config wm9713_regmap_config = {
726 	.reg_bits = 16,
727 	.reg_stride = 2,
728 	.val_bits = 16,
729 	.max_register = 0x7e,
730 	.cache_type = REGCACHE_RBTREE,
731 
732 	.reg_defaults = wm9713_reg_defaults,
733 	.num_reg_defaults = ARRAY_SIZE(wm9713_reg_defaults),
734 	.volatile_reg = regmap_ac97_default_volatile,
735 	.readable_reg = wm9713_readable_reg,
736 	.writeable_reg = wm9713_writeable_reg,
737 };
738 
739 /* PLL divisors */
740 struct _pll_div {
741 	u32 divsel:1;
742 	u32 divctl:1;
743 	u32 lf:1;
744 	u32 n:4;
745 	u32 k:24;
746 };
747 
748 /* The size in bits of the PLL divide multiplied by 10
749  * to allow rounding later */
750 #define FIXED_PLL_SIZE ((1 << 22) * 10)
751 
752 static void pll_factors(struct snd_soc_codec *codec,
753 	struct _pll_div *pll_div, unsigned int source)
754 {
755 	u64 Kpart;
756 	unsigned int K, Ndiv, Nmod, target;
757 
758 	/* The the PLL output is always 98.304MHz. */
759 	target = 98304000;
760 
761 	/* If the input frequency is over 14.4MHz then scale it down. */
762 	if (source > 14400000) {
763 		source >>= 1;
764 		pll_div->divsel = 1;
765 
766 		if (source > 14400000) {
767 			source >>= 1;
768 			pll_div->divctl = 1;
769 		} else
770 			pll_div->divctl = 0;
771 
772 	} else {
773 		pll_div->divsel = 0;
774 		pll_div->divctl = 0;
775 	}
776 
777 	/* Low frequency sources require an additional divide in the
778 	 * loop.
779 	 */
780 	if (source < 8192000) {
781 		pll_div->lf = 1;
782 		target >>= 2;
783 	} else
784 		pll_div->lf = 0;
785 
786 	Ndiv = target / source;
787 	if ((Ndiv < 5) || (Ndiv > 12))
788 		dev_warn(codec->dev,
789 			"WM9713 PLL N value %u out of recommended range!\n",
790 			Ndiv);
791 
792 	pll_div->n = Ndiv;
793 	Nmod = target % source;
794 	Kpart = FIXED_PLL_SIZE * (long long)Nmod;
795 
796 	do_div(Kpart, source);
797 
798 	K = Kpart & 0xFFFFFFFF;
799 
800 	/* Check if we need to round */
801 	if ((K % 10) >= 5)
802 		K += 5;
803 
804 	/* Move down to proper range now rounding is done */
805 	K /= 10;
806 
807 	pll_div->k = K;
808 }
809 
810 /**
811  * Please note that changing the PLL input frequency may require
812  * resynchronisation with the AC97 controller.
813  */
814 static int wm9713_set_pll(struct snd_soc_codec *codec,
815 	int pll_id, unsigned int freq_in, unsigned int freq_out)
816 {
817 	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
818 	u16 reg, reg2;
819 	struct _pll_div pll_div;
820 
821 	/* turn PLL off ? */
822 	if (freq_in == 0) {
823 		/* disable PLL power and select ext source */
824 		snd_soc_update_bits(codec, AC97_HANDSET_RATE, 0x0080, 0x0080);
825 		snd_soc_update_bits(codec, AC97_EXTENDED_MID, 0x0200, 0x0200);
826 		wm9713->pll_in = 0;
827 		return 0;
828 	}
829 
830 	pll_factors(codec, &pll_div, freq_in);
831 
832 	if (pll_div.k == 0) {
833 		reg = (pll_div.n << 12) | (pll_div.lf << 11) |
834 			(pll_div.divsel << 9) | (pll_div.divctl << 8);
835 		snd_soc_write(codec, AC97_LINE1_LEVEL, reg);
836 	} else {
837 		/* write the fractional k to the reg 0x46 pages */
838 		reg2 = (pll_div.n << 12) | (pll_div.lf << 11) | (1 << 10) |
839 			(pll_div.divsel << 9) | (pll_div.divctl << 8);
840 
841 		/* K [21:20] */
842 		reg = reg2 | (0x5 << 4) | (pll_div.k >> 20);
843 		snd_soc_write(codec, AC97_LINE1_LEVEL, reg);
844 
845 		/* K [19:16] */
846 		reg = reg2 | (0x4 << 4) | ((pll_div.k >> 16) & 0xf);
847 		snd_soc_write(codec, AC97_LINE1_LEVEL, reg);
848 
849 		/* K [15:12] */
850 		reg = reg2 | (0x3 << 4) | ((pll_div.k >> 12) & 0xf);
851 		snd_soc_write(codec, AC97_LINE1_LEVEL, reg);
852 
853 		/* K [11:8] */
854 		reg = reg2 | (0x2 << 4) | ((pll_div.k >> 8) & 0xf);
855 		snd_soc_write(codec, AC97_LINE1_LEVEL, reg);
856 
857 		/* K [7:4] */
858 		reg = reg2 | (0x1 << 4) | ((pll_div.k >> 4) & 0xf);
859 		snd_soc_write(codec, AC97_LINE1_LEVEL, reg);
860 
861 		reg = reg2 | (0x0 << 4) | (pll_div.k & 0xf); /* K [3:0] */
862 		snd_soc_write(codec, AC97_LINE1_LEVEL, reg);
863 	}
864 
865 	/* turn PLL on and select as source */
866 	snd_soc_update_bits(codec, AC97_EXTENDED_MID, 0x0200, 0x0000);
867 	snd_soc_update_bits(codec, AC97_HANDSET_RATE, 0x0080, 0x0000);
868 	wm9713->pll_in = freq_in;
869 
870 	/* wait 10ms AC97 link frames for the link to stabilise */
871 	schedule_timeout_interruptible(msecs_to_jiffies(10));
872 	return 0;
873 }
874 
875 static int wm9713_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
876 		int source, unsigned int freq_in, unsigned int freq_out)
877 {
878 	struct snd_soc_codec *codec = codec_dai->codec;
879 	return wm9713_set_pll(codec, pll_id, freq_in, freq_out);
880 }
881 
882 /*
883  * Tristate the PCM DAI lines, tristate can be disabled by calling
884  * wm9713_set_dai_fmt()
885  */
886 static int wm9713_set_dai_tristate(struct snd_soc_dai *codec_dai,
887 	int tristate)
888 {
889 	struct snd_soc_codec *codec = codec_dai->codec;
890 
891 	if (tristate)
892 		snd_soc_update_bits(codec, AC97_CENTER_LFE_MASTER,
893 				    0x6000, 0x0000);
894 
895 	return 0;
896 }
897 
898 /*
899  * Configure WM9713 clock dividers.
900  * Voice DAC needs 256 FS
901  */
902 static int wm9713_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
903 		int div_id, int div)
904 {
905 	struct snd_soc_codec *codec = codec_dai->codec;
906 
907 	switch (div_id) {
908 	case WM9713_PCMCLK_DIV:
909 		snd_soc_update_bits(codec, AC97_HANDSET_RATE, 0x0f00, div);
910 		break;
911 	case WM9713_CLKA_MULT:
912 		snd_soc_update_bits(codec, AC97_HANDSET_RATE, 0x0002, div);
913 		break;
914 	case WM9713_CLKB_MULT:
915 		snd_soc_update_bits(codec, AC97_HANDSET_RATE, 0x0004, div);
916 		break;
917 	case WM9713_HIFI_DIV:
918 		snd_soc_update_bits(codec, AC97_HANDSET_RATE, 0x7000, div);
919 		break;
920 	case WM9713_PCMBCLK_DIV:
921 		snd_soc_update_bits(codec, AC97_CENTER_LFE_MASTER, 0x0e00, div);
922 		break;
923 	case WM9713_PCMCLK_PLL_DIV:
924 		snd_soc_update_bits(codec, AC97_LINE1_LEVEL,
925 				    0x007f, div | 0x60);
926 		break;
927 	case WM9713_HIFI_PLL_DIV:
928 		snd_soc_update_bits(codec, AC97_LINE1_LEVEL,
929 				    0x007f, div | 0x70);
930 		break;
931 	default:
932 		return -EINVAL;
933 	}
934 
935 	return 0;
936 }
937 
938 static int wm9713_set_dai_fmt(struct snd_soc_dai *codec_dai,
939 		unsigned int fmt)
940 {
941 	struct snd_soc_codec *codec = codec_dai->codec;
942 	u16 gpio = snd_soc_read(codec, AC97_GPIO_CFG) & 0xffc5;
943 	u16 reg = 0x8000;
944 
945 	/* clock masters */
946 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
947 	case SND_SOC_DAIFMT_CBM_CFM:
948 		reg |= 0x4000;
949 		gpio |= 0x0010;
950 		break;
951 	case SND_SOC_DAIFMT_CBM_CFS:
952 		reg |= 0x6000;
953 		gpio |= 0x0018;
954 		break;
955 	case SND_SOC_DAIFMT_CBS_CFS:
956 		reg |= 0x2000;
957 		gpio |= 0x001a;
958 		break;
959 	case SND_SOC_DAIFMT_CBS_CFM:
960 		gpio |= 0x0012;
961 		break;
962 	}
963 
964 	/* clock inversion */
965 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
966 	case SND_SOC_DAIFMT_IB_IF:
967 		reg |= 0x00c0;
968 		break;
969 	case SND_SOC_DAIFMT_IB_NF:
970 		reg |= 0x0080;
971 		break;
972 	case SND_SOC_DAIFMT_NB_IF:
973 		reg |= 0x0040;
974 		break;
975 	}
976 
977 	/* DAI format */
978 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
979 	case SND_SOC_DAIFMT_I2S:
980 		reg |= 0x0002;
981 		break;
982 	case SND_SOC_DAIFMT_RIGHT_J:
983 		break;
984 	case SND_SOC_DAIFMT_LEFT_J:
985 		reg |= 0x0001;
986 		break;
987 	case SND_SOC_DAIFMT_DSP_A:
988 		reg |= 0x0003;
989 		break;
990 	case SND_SOC_DAIFMT_DSP_B:
991 		reg |= 0x0043;
992 		break;
993 	}
994 
995 	snd_soc_write(codec, AC97_GPIO_CFG, gpio);
996 	snd_soc_write(codec, AC97_CENTER_LFE_MASTER, reg);
997 	return 0;
998 }
999 
1000 static int wm9713_pcm_hw_params(struct snd_pcm_substream *substream,
1001 				struct snd_pcm_hw_params *params,
1002 				struct snd_soc_dai *dai)
1003 {
1004 	struct snd_soc_codec *codec = dai->codec;
1005 
1006 	/* enable PCM interface in master mode */
1007 	switch (params_width(params)) {
1008 	case 16:
1009 		break;
1010 	case 20:
1011 		snd_soc_update_bits(codec, AC97_CENTER_LFE_MASTER,
1012 				    0x000c, 0x0004);
1013 		break;
1014 	case 24:
1015 		snd_soc_update_bits(codec, AC97_CENTER_LFE_MASTER,
1016 				    0x000c, 0x0008);
1017 		break;
1018 	case 32:
1019 		snd_soc_update_bits(codec, AC97_CENTER_LFE_MASTER,
1020 				    0x000c, 0x000c);
1021 		break;
1022 	}
1023 	return 0;
1024 }
1025 
1026 static int ac97_hifi_prepare(struct snd_pcm_substream *substream,
1027 			     struct snd_soc_dai *dai)
1028 {
1029 	struct snd_soc_codec *codec = dai->codec;
1030 	struct snd_pcm_runtime *runtime = substream->runtime;
1031 	int reg;
1032 
1033 	snd_soc_update_bits(codec, AC97_EXTENDED_STATUS, 0x0001, 0x0001);
1034 
1035 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
1036 		reg = AC97_PCM_FRONT_DAC_RATE;
1037 	else
1038 		reg = AC97_PCM_LR_ADC_RATE;
1039 
1040 	return snd_soc_write(codec, reg, runtime->rate);
1041 }
1042 
1043 static int ac97_aux_prepare(struct snd_pcm_substream *substream,
1044 			    struct snd_soc_dai *dai)
1045 {
1046 	struct snd_soc_codec *codec = dai->codec;
1047 	struct snd_pcm_runtime *runtime = substream->runtime;
1048 
1049 	snd_soc_update_bits(codec, AC97_EXTENDED_STATUS, 0x0001, 0x0001);
1050 	snd_soc_update_bits(codec, AC97_PCI_SID, 0x8000, 0x8000);
1051 
1052 	if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
1053 		return -ENODEV;
1054 
1055 	return snd_soc_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
1056 }
1057 
1058 #define WM9713_RATES (SNDRV_PCM_RATE_8000  |	\
1059 		      SNDRV_PCM_RATE_11025 |	\
1060 		      SNDRV_PCM_RATE_22050 |	\
1061 		      SNDRV_PCM_RATE_44100 |	\
1062 		      SNDRV_PCM_RATE_48000)
1063 
1064 #define WM9713_PCM_RATES (SNDRV_PCM_RATE_8000  |	\
1065 			  SNDRV_PCM_RATE_11025 |	\
1066 			  SNDRV_PCM_RATE_16000 |	\
1067 			  SNDRV_PCM_RATE_22050 |	\
1068 			  SNDRV_PCM_RATE_44100 |	\
1069 			  SNDRV_PCM_RATE_48000)
1070 
1071 #define WM9713_PCM_FORMATS \
1072 	(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1073 	 SNDRV_PCM_FMTBIT_S24_LE)
1074 
1075 static const struct snd_soc_dai_ops wm9713_dai_ops_hifi = {
1076 	.prepare	= ac97_hifi_prepare,
1077 	.set_clkdiv	= wm9713_set_dai_clkdiv,
1078 	.set_pll	= wm9713_set_dai_pll,
1079 };
1080 
1081 static const struct snd_soc_dai_ops wm9713_dai_ops_aux = {
1082 	.prepare	= ac97_aux_prepare,
1083 	.set_clkdiv	= wm9713_set_dai_clkdiv,
1084 	.set_pll	= wm9713_set_dai_pll,
1085 };
1086 
1087 static const struct snd_soc_dai_ops wm9713_dai_ops_voice = {
1088 	.hw_params	= wm9713_pcm_hw_params,
1089 	.set_clkdiv	= wm9713_set_dai_clkdiv,
1090 	.set_pll	= wm9713_set_dai_pll,
1091 	.set_fmt	= wm9713_set_dai_fmt,
1092 	.set_tristate	= wm9713_set_dai_tristate,
1093 };
1094 
1095 static struct snd_soc_dai_driver wm9713_dai[] = {
1096 {
1097 	.name = "wm9713-hifi",
1098 	.playback = {
1099 		.stream_name = "HiFi Playback",
1100 		.channels_min = 1,
1101 		.channels_max = 2,
1102 		.rates = WM9713_RATES,
1103 		.formats = SND_SOC_STD_AC97_FMTS,},
1104 	.capture = {
1105 		.stream_name = "HiFi Capture",
1106 		.channels_min = 1,
1107 		.channels_max = 2,
1108 		.rates = WM9713_RATES,
1109 		.formats = SND_SOC_STD_AC97_FMTS,},
1110 	.ops = &wm9713_dai_ops_hifi,
1111 	},
1112 	{
1113 	.name = "wm9713-aux",
1114 	.playback = {
1115 		.stream_name = "Aux Playback",
1116 		.channels_min = 1,
1117 		.channels_max = 1,
1118 		.rates = WM9713_RATES,
1119 		.formats = SND_SOC_STD_AC97_FMTS,},
1120 	.ops = &wm9713_dai_ops_aux,
1121 	},
1122 	{
1123 	.name = "wm9713-voice",
1124 	.playback = {
1125 		.stream_name = "Voice Playback",
1126 		.channels_min = 1,
1127 		.channels_max = 1,
1128 		.rates = WM9713_PCM_RATES,
1129 		.formats = WM9713_PCM_FORMATS,},
1130 	.capture = {
1131 		.stream_name = "Voice Capture",
1132 		.channels_min = 1,
1133 		.channels_max = 2,
1134 		.rates = WM9713_PCM_RATES,
1135 		.formats = WM9713_PCM_FORMATS,},
1136 	.ops = &wm9713_dai_ops_voice,
1137 	.symmetric_rates = 1,
1138 	},
1139 };
1140 
1141 static int wm9713_set_bias_level(struct snd_soc_codec *codec,
1142 				 enum snd_soc_bias_level level)
1143 {
1144 	switch (level) {
1145 	case SND_SOC_BIAS_ON:
1146 		/* enable thermal shutdown */
1147 		snd_soc_update_bits(codec, AC97_EXTENDED_MID, 0xe400, 0x0000);
1148 		break;
1149 	case SND_SOC_BIAS_PREPARE:
1150 		break;
1151 	case SND_SOC_BIAS_STANDBY:
1152 		/* enable master bias and vmid */
1153 		snd_soc_update_bits(codec, AC97_EXTENDED_MID, 0xc400, 0x0000);
1154 		snd_soc_write(codec, AC97_POWERDOWN, 0x0000);
1155 		break;
1156 	case SND_SOC_BIAS_OFF:
1157 		/* disable everything including AC link */
1158 		snd_soc_write(codec, AC97_EXTENDED_MID, 0xffff);
1159 		snd_soc_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
1160 		snd_soc_write(codec, AC97_POWERDOWN, 0xffff);
1161 		break;
1162 	}
1163 	return 0;
1164 }
1165 
1166 static int wm9713_soc_suspend(struct snd_soc_codec *codec)
1167 {
1168 	/* Disable everything except touchpanel - that will be handled
1169 	 * by the touch driver and left disabled if touch is not in
1170 	 * use. */
1171 	snd_soc_update_bits(codec, AC97_EXTENDED_MID, 0x7fff,
1172 				 0x7fff);
1173 	snd_soc_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
1174 	snd_soc_write(codec, AC97_POWERDOWN, 0x6f00);
1175 	snd_soc_write(codec, AC97_POWERDOWN, 0xffff);
1176 
1177 	return 0;
1178 }
1179 
1180 static int wm9713_soc_resume(struct snd_soc_codec *codec)
1181 {
1182 	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
1183 	int ret;
1184 
1185 	ret = snd_ac97_reset(wm9713->ac97, true, WM9713_VENDOR_ID,
1186 		WM9713_VENDOR_ID_MASK);
1187 	if (ret < 0)
1188 		return ret;
1189 
1190 	snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_STANDBY);
1191 
1192 	/* do we need to re-start the PLL ? */
1193 	if (wm9713->pll_in)
1194 		wm9713_set_pll(codec, 0, wm9713->pll_in, 0);
1195 
1196 	/* only synchronise the codec if warm reset failed */
1197 	if (ret == 0) {
1198 		regcache_mark_dirty(codec->component.regmap);
1199 		snd_soc_cache_sync(codec);
1200 	}
1201 
1202 	return ret;
1203 }
1204 
1205 static int wm9713_soc_probe(struct snd_soc_codec *codec)
1206 {
1207 	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
1208 	struct regmap *regmap;
1209 
1210 	wm9713->ac97 = snd_soc_new_ac97_codec(codec, WM9713_VENDOR_ID,
1211 		WM9713_VENDOR_ID_MASK);
1212 	if (IS_ERR(wm9713->ac97))
1213 		return PTR_ERR(wm9713->ac97);
1214 
1215 	regmap = regmap_init_ac97(wm9713->ac97, &wm9713_regmap_config);
1216 	if (IS_ERR(regmap)) {
1217 		snd_soc_free_ac97_codec(wm9713->ac97);
1218 		return PTR_ERR(regmap);
1219 	}
1220 
1221 	snd_soc_codec_init_regmap(codec, regmap);
1222 
1223 	/* unmute the adc - move to kcontrol */
1224 	snd_soc_update_bits(codec, AC97_CD, 0x7fff, 0x0000);
1225 
1226 	return 0;
1227 }
1228 
1229 static int wm9713_soc_remove(struct snd_soc_codec *codec)
1230 {
1231 	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
1232 
1233 	snd_soc_codec_exit_regmap(codec);
1234 	snd_soc_free_ac97_codec(wm9713->ac97);
1235 	return 0;
1236 }
1237 
1238 static const struct snd_soc_codec_driver soc_codec_dev_wm9713 = {
1239 	.probe = 	wm9713_soc_probe,
1240 	.remove = 	wm9713_soc_remove,
1241 	.suspend =	wm9713_soc_suspend,
1242 	.resume = 	wm9713_soc_resume,
1243 	.set_bias_level = wm9713_set_bias_level,
1244 
1245 	.component_driver = {
1246 		.controls		= wm9713_snd_ac97_controls,
1247 		.num_controls		= ARRAY_SIZE(wm9713_snd_ac97_controls),
1248 		.dapm_widgets		= wm9713_dapm_widgets,
1249 		.num_dapm_widgets	= ARRAY_SIZE(wm9713_dapm_widgets),
1250 		.dapm_routes		= wm9713_audio_map,
1251 		.num_dapm_routes	= ARRAY_SIZE(wm9713_audio_map),
1252 	},
1253 };
1254 
1255 static int wm9713_probe(struct platform_device *pdev)
1256 {
1257 	struct wm9713_priv *wm9713;
1258 
1259 	wm9713 = devm_kzalloc(&pdev->dev, sizeof(*wm9713), GFP_KERNEL);
1260 	if (wm9713 == NULL)
1261 		return -ENOMEM;
1262 
1263 	mutex_init(&wm9713->lock);
1264 
1265 	platform_set_drvdata(pdev, wm9713);
1266 
1267 	return snd_soc_register_codec(&pdev->dev,
1268 			&soc_codec_dev_wm9713, wm9713_dai, ARRAY_SIZE(wm9713_dai));
1269 }
1270 
1271 static int wm9713_remove(struct platform_device *pdev)
1272 {
1273 	snd_soc_unregister_codec(&pdev->dev);
1274 	return 0;
1275 }
1276 
1277 static struct platform_driver wm9713_codec_driver = {
1278 	.driver = {
1279 			.name = "wm9713-codec",
1280 	},
1281 
1282 	.probe = wm9713_probe,
1283 	.remove = wm9713_remove,
1284 };
1285 
1286 module_platform_driver(wm9713_codec_driver);
1287 
1288 MODULE_DESCRIPTION("ASoC WM9713/WM9714 driver");
1289 MODULE_AUTHOR("Liam Girdwood");
1290 MODULE_LICENSE("GPL");
1291