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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
[deliverable/linux.git] / sound / soc / codecs / wm8995.c
1 /*
2 * wm8995.c -- WM8995 ALSA SoC Audio driver
3 *
4 * Copyright 2010 Wolfson Microelectronics plc
5 *
6 * Author: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
7 *
8 * Based on wm8994.c and wm_hubs.c by Mark Brown
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
15 #include <linux/module.h>
16 #include <linux/moduleparam.h>
17 #include <linux/init.h>
18 #include <linux/delay.h>
19 #include <linux/pm.h>
20 #include <linux/i2c.h>
21 #include <linux/spi/spi.h>
22 #include <linux/regulator/consumer.h>
23 #include <linux/slab.h>
24 #include <sound/core.h>
25 #include <sound/pcm.h>
26 #include <sound/pcm_params.h>
27 #include <sound/soc.h>
28 #include <sound/soc-dapm.h>
29 #include <sound/initval.h>
30 #include <sound/tlv.h>
31
32 #include "wm8995.h"
33
34 #define WM8995_NUM_SUPPLIES 8
35 static const char *wm8995_supply_names[WM8995_NUM_SUPPLIES] = {
36 "DCVDD",
37 "DBVDD1",
38 "DBVDD2",
39 "DBVDD3",
40 "AVDD1",
41 "AVDD2",
42 "CPVDD",
43 "MICVDD"
44 };
45
46 static const u16 wm8995_reg_defs[WM8995_MAX_REGISTER + 1] = {
47 [0] = 0x8995, [5] = 0x0100, [16] = 0x000b, [17] = 0x000b,
48 [24] = 0x02c0, [25] = 0x02c0, [26] = 0x02c0, [27] = 0x02c0,
49 [28] = 0x000f, [32] = 0x0005, [33] = 0x0005, [40] = 0x0003,
50 [41] = 0x0013, [48] = 0x0004, [56] = 0x09f8, [64] = 0x1f25,
51 [69] = 0x0004, [82] = 0xaaaa, [84] = 0x2a2a, [146] = 0x0060,
52 [256] = 0x0002, [257] = 0x8004, [520] = 0x0010, [528] = 0x0083,
53 [529] = 0x0083, [548] = 0x0c80, [580] = 0x0c80, [768] = 0x4050,
54 [769] = 0x4000, [771] = 0x0040, [772] = 0x0040, [773] = 0x0040,
55 [774] = 0x0004, [775] = 0x0100, [784] = 0x4050, [785] = 0x4000,
56 [787] = 0x0040, [788] = 0x0040, [789] = 0x0040, [1024] = 0x00c0,
57 [1025] = 0x00c0, [1026] = 0x00c0, [1027] = 0x00c0, [1028] = 0x00c0,
58 [1029] = 0x00c0, [1030] = 0x00c0, [1031] = 0x00c0, [1056] = 0x0200,
59 [1057] = 0x0010, [1058] = 0x0200, [1059] = 0x0010, [1088] = 0x0098,
60 [1089] = 0x0845, [1104] = 0x0098, [1105] = 0x0845, [1152] = 0x6318,
61 [1153] = 0x6300, [1154] = 0x0fca, [1155] = 0x0400, [1156] = 0x00d8,
62 [1157] = 0x1eb5, [1158] = 0xf145, [1159] = 0x0b75, [1160] = 0x01c5,
63 [1161] = 0x1c58, [1162] = 0xf373, [1163] = 0x0a54, [1164] = 0x0558,
64 [1165] = 0x168e, [1166] = 0xf829, [1167] = 0x07ad, [1168] = 0x1103,
65 [1169] = 0x0564, [1170] = 0x0559, [1171] = 0x4000, [1184] = 0x6318,
66 [1185] = 0x6300, [1186] = 0x0fca, [1187] = 0x0400, [1188] = 0x00d8,
67 [1189] = 0x1eb5, [1190] = 0xf145, [1191] = 0x0b75, [1192] = 0x01c5,
68 [1193] = 0x1c58, [1194] = 0xf373, [1195] = 0x0a54, [1196] = 0x0558,
69 [1197] = 0x168e, [1198] = 0xf829, [1199] = 0x07ad, [1200] = 0x1103,
70 [1201] = 0x0564, [1202] = 0x0559, [1203] = 0x4000, [1280] = 0x00c0,
71 [1281] = 0x00c0, [1282] = 0x00c0, [1283] = 0x00c0, [1312] = 0x0200,
72 [1313] = 0x0010, [1344] = 0x0098, [1345] = 0x0845, [1408] = 0x6318,
73 [1409] = 0x6300, [1410] = 0x0fca, [1411] = 0x0400, [1412] = 0x00d8,
74 [1413] = 0x1eb5, [1414] = 0xf145, [1415] = 0x0b75, [1416] = 0x01c5,
75 [1417] = 0x1c58, [1418] = 0xf373, [1419] = 0x0a54, [1420] = 0x0558,
76 [1421] = 0x168e, [1422] = 0xf829, [1423] = 0x07ad, [1424] = 0x1103,
77 [1425] = 0x0564, [1426] = 0x0559, [1427] = 0x4000, [1568] = 0x0002,
78 [1792] = 0xa100, [1793] = 0xa101, [1794] = 0xa101, [1795] = 0xa101,
79 [1796] = 0xa101, [1797] = 0xa101, [1798] = 0xa101, [1799] = 0xa101,
80 [1800] = 0xa101, [1801] = 0xa101, [1802] = 0xa101, [1803] = 0xa101,
81 [1804] = 0xa101, [1805] = 0xa101, [1825] = 0x0055, [1848] = 0x3fff,
82 [1849] = 0x1fff, [2049] = 0x0001, [2050] = 0x0069, [2056] = 0x0002,
83 [2057] = 0x0003, [2058] = 0x0069, [12288] = 0x0001, [12289] = 0x0001,
84 [12291] = 0x0006, [12292] = 0x0040, [12293] = 0x0001, [12294] = 0x000f,
85 [12295] = 0x0006, [12296] = 0x0001, [12297] = 0x0003, [12298] = 0x0104,
86 [12300] = 0x0060, [12301] = 0x0011, [12302] = 0x0401, [12304] = 0x0050,
87 [12305] = 0x0003, [12306] = 0x0100, [12308] = 0x0051, [12309] = 0x0003,
88 [12310] = 0x0104, [12311] = 0x000a, [12312] = 0x0060, [12313] = 0x003b,
89 [12314] = 0x0502, [12315] = 0x0100, [12316] = 0x2fff, [12320] = 0x2fff,
90 [12324] = 0x2fff, [12328] = 0x2fff, [12332] = 0x2fff, [12336] = 0x2fff,
91 [12340] = 0x2fff, [12344] = 0x2fff, [12348] = 0x2fff, [12352] = 0x0001,
92 [12353] = 0x0001, [12355] = 0x0006, [12356] = 0x0040, [12357] = 0x0001,
93 [12358] = 0x000f, [12359] = 0x0006, [12360] = 0x0001, [12361] = 0x0003,
94 [12362] = 0x0104, [12364] = 0x0060, [12365] = 0x0011, [12366] = 0x0401,
95 [12368] = 0x0050, [12369] = 0x0003, [12370] = 0x0100, [12372] = 0x0060,
96 [12373] = 0x003b, [12374] = 0x0502, [12375] = 0x0100, [12376] = 0x2fff,
97 [12380] = 0x2fff, [12384] = 0x2fff, [12388] = 0x2fff, [12392] = 0x2fff,
98 [12396] = 0x2fff, [12400] = 0x2fff, [12404] = 0x2fff, [12408] = 0x2fff,
99 [12412] = 0x2fff, [12416] = 0x0001, [12417] = 0x0001, [12419] = 0x0006,
100 [12420] = 0x0040, [12421] = 0x0001, [12422] = 0x000f, [12423] = 0x0006,
101 [12424] = 0x0001, [12425] = 0x0003, [12426] = 0x0106, [12428] = 0x0061,
102 [12429] = 0x0011, [12430] = 0x0401, [12432] = 0x0050, [12433] = 0x0003,
103 [12434] = 0x0102, [12436] = 0x0051, [12437] = 0x0003, [12438] = 0x0106,
104 [12439] = 0x000a, [12440] = 0x0061, [12441] = 0x003b, [12442] = 0x0502,
105 [12443] = 0x0100, [12444] = 0x2fff, [12448] = 0x2fff, [12452] = 0x2fff,
106 [12456] = 0x2fff, [12460] = 0x2fff, [12464] = 0x2fff, [12468] = 0x2fff,
107 [12472] = 0x2fff, [12476] = 0x2fff, [12480] = 0x0001, [12481] = 0x0001,
108 [12483] = 0x0006, [12484] = 0x0040, [12485] = 0x0001, [12486] = 0x000f,
109 [12487] = 0x0006, [12488] = 0x0001, [12489] = 0x0003, [12490] = 0x0106,
110 [12492] = 0x0061, [12493] = 0x0011, [12494] = 0x0401, [12496] = 0x0050,
111 [12497] = 0x0003, [12498] = 0x0102, [12500] = 0x0061, [12501] = 0x003b,
112 [12502] = 0x0502, [12503] = 0x0100, [12504] = 0x2fff, [12508] = 0x2fff,
113 [12512] = 0x2fff, [12516] = 0x2fff, [12520] = 0x2fff, [12524] = 0x2fff,
114 [12528] = 0x2fff, [12532] = 0x2fff, [12536] = 0x2fff, [12540] = 0x2fff,
115 [12544] = 0x0060, [12546] = 0x0601, [12548] = 0x0050, [12550] = 0x0100,
116 [12552] = 0x0001, [12554] = 0x0104, [12555] = 0x0100, [12556] = 0x2fff,
117 [12560] = 0x2fff, [12564] = 0x2fff, [12568] = 0x2fff, [12572] = 0x2fff,
118 [12576] = 0x2fff, [12580] = 0x2fff, [12584] = 0x2fff, [12588] = 0x2fff,
119 [12592] = 0x2fff, [12596] = 0x2fff, [12600] = 0x2fff, [12604] = 0x2fff,
120 [12608] = 0x0061, [12610] = 0x0601, [12612] = 0x0050, [12614] = 0x0102,
121 [12616] = 0x0001, [12618] = 0x0106, [12619] = 0x0100, [12620] = 0x2fff,
122 [12624] = 0x2fff, [12628] = 0x2fff, [12632] = 0x2fff, [12636] = 0x2fff,
123 [12640] = 0x2fff, [12644] = 0x2fff, [12648] = 0x2fff, [12652] = 0x2fff,
124 [12656] = 0x2fff, [12660] = 0x2fff, [12664] = 0x2fff, [12668] = 0x2fff,
125 [12672] = 0x0060, [12674] = 0x0601, [12676] = 0x0061, [12678] = 0x0601,
126 [12680] = 0x0050, [12682] = 0x0300, [12684] = 0x0001, [12686] = 0x0304,
127 [12688] = 0x0040, [12690] = 0x000f, [12692] = 0x0001, [12695] = 0x0100
128 };
129
130 struct fll_config {
131 int src;
132 int in;
133 int out;
134 };
135
136 struct wm8995_priv {
137 enum snd_soc_control_type control_type;
138 int sysclk[2];
139 int mclk[2];
140 int aifclk[2];
141 struct fll_config fll[2], fll_suspend[2];
142 struct regulator_bulk_data supplies[WM8995_NUM_SUPPLIES];
143 struct notifier_block disable_nb[WM8995_NUM_SUPPLIES];
144 struct snd_soc_codec *codec;
145 };
146
147 /*
148 * We can't use the same notifier block for more than one supply and
149 * there's no way I can see to get from a callback to the caller
150 * except container_of().
151 */
152 #define WM8995_REGULATOR_EVENT(n) \
153 static int wm8995_regulator_event_##n(struct notifier_block *nb, \
154 unsigned long event, void *data) \
155 { \
156 struct wm8995_priv *wm8995 = container_of(nb, struct wm8995_priv, \
157 disable_nb[n]); \
158 if (event & REGULATOR_EVENT_DISABLE) { \
159 wm8995->codec->cache_sync = 1; \
160 } \
161 return 0; \
162 }
163
164 WM8995_REGULATOR_EVENT(0)
165 WM8995_REGULATOR_EVENT(1)
166 WM8995_REGULATOR_EVENT(2)
167 WM8995_REGULATOR_EVENT(3)
168 WM8995_REGULATOR_EVENT(4)
169 WM8995_REGULATOR_EVENT(5)
170 WM8995_REGULATOR_EVENT(6)
171 WM8995_REGULATOR_EVENT(7)
172
173 static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
174 static const DECLARE_TLV_DB_SCALE(in1lr_pga_tlv, -1650, 150, 0);
175 static const DECLARE_TLV_DB_SCALE(in1l_boost_tlv, 0, 600, 0);
176 static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0);
177
178 static const char *in1l_text[] = {
179 "Differential", "Single-ended IN1LN", "Single-ended IN1LP"
180 };
181
182 static const SOC_ENUM_SINGLE_DECL(in1l_enum, WM8995_LEFT_LINE_INPUT_CONTROL,
183 2, in1l_text);
184
185 static const char *in1r_text[] = {
186 "Differential", "Single-ended IN1RN", "Single-ended IN1RP"
187 };
188
189 static const SOC_ENUM_SINGLE_DECL(in1r_enum, WM8995_LEFT_LINE_INPUT_CONTROL,
190 0, in1r_text);
191
192 static const char *dmic_src_text[] = {
193 "DMICDAT1", "DMICDAT2", "DMICDAT3"
194 };
195
196 static const SOC_ENUM_SINGLE_DECL(dmic_src1_enum, WM8995_POWER_MANAGEMENT_5,
197 8, dmic_src_text);
198 static const SOC_ENUM_SINGLE_DECL(dmic_src2_enum, WM8995_POWER_MANAGEMENT_5,
199 6, dmic_src_text);
200
201 static const struct snd_kcontrol_new wm8995_snd_controls[] = {
202 SOC_DOUBLE_R_TLV("DAC1 Volume", WM8995_DAC1_LEFT_VOLUME,
203 WM8995_DAC1_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
204 SOC_DOUBLE_R("DAC1 Switch", WM8995_DAC1_LEFT_VOLUME,
205 WM8995_DAC1_RIGHT_VOLUME, 9, 1, 1),
206
207 SOC_DOUBLE_R_TLV("DAC2 Volume", WM8995_DAC2_LEFT_VOLUME,
208 WM8995_DAC2_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
209 SOC_DOUBLE_R("DAC2 Switch", WM8995_DAC2_LEFT_VOLUME,
210 WM8995_DAC2_RIGHT_VOLUME, 9, 1, 1),
211
212 SOC_DOUBLE_R_TLV("AIF1DAC1 Volume", WM8995_AIF1_DAC1_LEFT_VOLUME,
213 WM8995_AIF1_DAC1_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
214 SOC_DOUBLE_R_TLV("AIF1DAC2 Volume", WM8995_AIF1_DAC2_LEFT_VOLUME,
215 WM8995_AIF1_DAC2_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
216 SOC_DOUBLE_R_TLV("AIF2DAC Volume", WM8995_AIF2_DAC_LEFT_VOLUME,
217 WM8995_AIF2_DAC_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
218
219 SOC_DOUBLE_R_TLV("IN1LR Volume", WM8995_LEFT_LINE_INPUT_1_VOLUME,
220 WM8995_RIGHT_LINE_INPUT_1_VOLUME, 0, 31, 0, in1lr_pga_tlv),
221
222 SOC_SINGLE_TLV("IN1L Boost", WM8995_LEFT_LINE_INPUT_CONTROL,
223 4, 3, 0, in1l_boost_tlv),
224
225 SOC_ENUM("IN1L Mode", in1l_enum),
226 SOC_ENUM("IN1R Mode", in1r_enum),
227
228 SOC_ENUM("DMIC1 SRC", dmic_src1_enum),
229 SOC_ENUM("DMIC2 SRC", dmic_src2_enum),
230
231 SOC_DOUBLE_TLV("DAC1 Sidetone Volume", WM8995_DAC1_MIXER_VOLUMES, 0, 5,
232 24, 0, sidetone_tlv),
233 SOC_DOUBLE_TLV("DAC2 Sidetone Volume", WM8995_DAC2_MIXER_VOLUMES, 0, 5,
234 24, 0, sidetone_tlv),
235
236 SOC_DOUBLE_R_TLV("AIF1ADC1 Volume", WM8995_AIF1_ADC1_LEFT_VOLUME,
237 WM8995_AIF1_ADC1_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
238 SOC_DOUBLE_R_TLV("AIF1ADC2 Volume", WM8995_AIF1_ADC2_LEFT_VOLUME,
239 WM8995_AIF1_ADC2_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
240 SOC_DOUBLE_R_TLV("AIF2ADC Volume", WM8995_AIF2_ADC_LEFT_VOLUME,
241 WM8995_AIF2_ADC_RIGHT_VOLUME, 0, 96, 0, digital_tlv)
242 };
243
244 static void wm8995_update_class_w(struct snd_soc_codec *codec)
245 {
246 int enable = 1;
247 int source = 0; /* GCC flow analysis can't track enable */
248 int reg, reg_r;
249
250 /* We also need the same setting for L/R and only one path */
251 reg = snd_soc_read(codec, WM8995_DAC1_LEFT_MIXER_ROUTING);
252 switch (reg) {
253 case WM8995_AIF2DACL_TO_DAC1L:
254 dev_dbg(codec->dev, "Class W source AIF2DAC\n");
255 source = 2 << WM8995_CP_DYN_SRC_SEL_SHIFT;
256 break;
257 case WM8995_AIF1DAC2L_TO_DAC1L:
258 dev_dbg(codec->dev, "Class W source AIF1DAC2\n");
259 source = 1 << WM8995_CP_DYN_SRC_SEL_SHIFT;
260 break;
261 case WM8995_AIF1DAC1L_TO_DAC1L:
262 dev_dbg(codec->dev, "Class W source AIF1DAC1\n");
263 source = 0 << WM8995_CP_DYN_SRC_SEL_SHIFT;
264 break;
265 default:
266 dev_dbg(codec->dev, "DAC mixer setting: %x\n", reg);
267 enable = 0;
268 break;
269 }
270
271 reg_r = snd_soc_read(codec, WM8995_DAC1_RIGHT_MIXER_ROUTING);
272 if (reg_r != reg) {
273 dev_dbg(codec->dev, "Left and right DAC mixers different\n");
274 enable = 0;
275 }
276
277 if (enable) {
278 dev_dbg(codec->dev, "Class W enabled\n");
279 snd_soc_update_bits(codec, WM8995_CLASS_W_1,
280 WM8995_CP_DYN_PWR_MASK |
281 WM8995_CP_DYN_SRC_SEL_MASK,
282 source | WM8995_CP_DYN_PWR);
283 } else {
284 dev_dbg(codec->dev, "Class W disabled\n");
285 snd_soc_update_bits(codec, WM8995_CLASS_W_1,
286 WM8995_CP_DYN_PWR_MASK, 0);
287 }
288 }
289
290 static int check_clk_sys(struct snd_soc_dapm_widget *source,
291 struct snd_soc_dapm_widget *sink)
292 {
293 unsigned int reg;
294 const char *clk;
295
296 reg = snd_soc_read(source->codec, WM8995_CLOCKING_1);
297 /* Check what we're currently using for CLK_SYS */
298 if (reg & WM8995_SYSCLK_SRC)
299 clk = "AIF2CLK";
300 else
301 clk = "AIF1CLK";
302 return !strcmp(source->name, clk);
303 }
304
305 static int wm8995_put_class_w(struct snd_kcontrol *kcontrol,
306 struct snd_ctl_elem_value *ucontrol)
307 {
308 struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
309 struct snd_soc_dapm_widget *w = wlist->widgets[0];
310 struct snd_soc_codec *codec;
311 int ret;
312
313 codec = w->codec;
314 ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol);
315 wm8995_update_class_w(codec);
316 return ret;
317 }
318
319 static int hp_supply_event(struct snd_soc_dapm_widget *w,
320 struct snd_kcontrol *kcontrol, int event)
321 {
322 struct snd_soc_codec *codec;
323 struct wm8995_priv *wm8995;
324
325 codec = w->codec;
326 wm8995 = snd_soc_codec_get_drvdata(codec);
327
328 switch (event) {
329 case SND_SOC_DAPM_PRE_PMU:
330 /* Enable the headphone amp */
331 snd_soc_update_bits(codec, WM8995_POWER_MANAGEMENT_1,
332 WM8995_HPOUT1L_ENA_MASK |
333 WM8995_HPOUT1R_ENA_MASK,
334 WM8995_HPOUT1L_ENA |
335 WM8995_HPOUT1R_ENA);
336
337 /* Enable the second stage */
338 snd_soc_update_bits(codec, WM8995_ANALOGUE_HP_1,
339 WM8995_HPOUT1L_DLY_MASK |
340 WM8995_HPOUT1R_DLY_MASK,
341 WM8995_HPOUT1L_DLY |
342 WM8995_HPOUT1R_DLY);
343 break;
344 case SND_SOC_DAPM_PRE_PMD:
345 snd_soc_update_bits(codec, WM8995_CHARGE_PUMP_1,
346 WM8995_CP_ENA_MASK, 0);
347 break;
348 }
349
350 return 0;
351 }
352
353 static void dc_servo_cmd(struct snd_soc_codec *codec,
354 unsigned int reg, unsigned int val, unsigned int mask)
355 {
356 int timeout = 10;
357
358 dev_dbg(codec->dev, "%s: reg = %#x, val = %#x, mask = %#x\n",
359 __func__, reg, val, mask);
360
361 snd_soc_write(codec, reg, val);
362 while (timeout--) {
363 msleep(10);
364 val = snd_soc_read(codec, WM8995_DC_SERVO_READBACK_0);
365 if ((val & mask) == mask)
366 return;
367 }
368
369 dev_err(codec->dev, "Timed out waiting for DC Servo\n");
370 }
371
372 static int hp_event(struct snd_soc_dapm_widget *w,
373 struct snd_kcontrol *kcontrol, int event)
374 {
375 struct snd_soc_codec *codec;
376 unsigned int reg;
377
378 codec = w->codec;
379 reg = snd_soc_read(codec, WM8995_ANALOGUE_HP_1);
380
381 switch (event) {
382 case SND_SOC_DAPM_POST_PMU:
383 snd_soc_update_bits(codec, WM8995_CHARGE_PUMP_1,
384 WM8995_CP_ENA_MASK, WM8995_CP_ENA);
385
386 msleep(5);
387
388 snd_soc_update_bits(codec, WM8995_POWER_MANAGEMENT_1,
389 WM8995_HPOUT1L_ENA_MASK |
390 WM8995_HPOUT1R_ENA_MASK,
391 WM8995_HPOUT1L_ENA | WM8995_HPOUT1R_ENA);
392
393 udelay(20);
394
395 reg |= WM8995_HPOUT1L_DLY | WM8995_HPOUT1R_DLY;
396 snd_soc_write(codec, WM8995_ANALOGUE_HP_1, reg);
397
398 snd_soc_write(codec, WM8995_DC_SERVO_1, WM8995_DCS_ENA_CHAN_0 |
399 WM8995_DCS_ENA_CHAN_1);
400
401 dc_servo_cmd(codec, WM8995_DC_SERVO_2,
402 WM8995_DCS_TRIG_STARTUP_0 |
403 WM8995_DCS_TRIG_STARTUP_1,
404 WM8995_DCS_TRIG_DAC_WR_0 |
405 WM8995_DCS_TRIG_DAC_WR_1);
406
407 reg |= WM8995_HPOUT1R_OUTP | WM8995_HPOUT1R_RMV_SHORT |
408 WM8995_HPOUT1L_OUTP | WM8995_HPOUT1L_RMV_SHORT;
409 snd_soc_write(codec, WM8995_ANALOGUE_HP_1, reg);
410
411 break;
412 case SND_SOC_DAPM_PRE_PMD:
413 snd_soc_update_bits(codec, WM8995_ANALOGUE_HP_1,
414 WM8995_HPOUT1L_OUTP_MASK |
415 WM8995_HPOUT1R_OUTP_MASK |
416 WM8995_HPOUT1L_RMV_SHORT_MASK |
417 WM8995_HPOUT1R_RMV_SHORT_MASK, 0);
418
419 snd_soc_update_bits(codec, WM8995_ANALOGUE_HP_1,
420 WM8995_HPOUT1L_DLY_MASK |
421 WM8995_HPOUT1R_DLY_MASK, 0);
422
423 snd_soc_write(codec, WM8995_DC_SERVO_1, 0);
424
425 snd_soc_update_bits(codec, WM8995_POWER_MANAGEMENT_1,
426 WM8995_HPOUT1L_ENA_MASK |
427 WM8995_HPOUT1R_ENA_MASK,
428 0);
429 break;
430 }
431
432 return 0;
433 }
434
435 static int configure_aif_clock(struct snd_soc_codec *codec, int aif)
436 {
437 struct wm8995_priv *wm8995;
438 int rate;
439 int reg1 = 0;
440 int offset;
441
442 wm8995 = snd_soc_codec_get_drvdata(codec);
443
444 if (aif)
445 offset = 4;
446 else
447 offset = 0;
448
449 switch (wm8995->sysclk[aif]) {
450 case WM8995_SYSCLK_MCLK1:
451 rate = wm8995->mclk[0];
452 break;
453 case WM8995_SYSCLK_MCLK2:
454 reg1 |= 0x8;
455 rate = wm8995->mclk[1];
456 break;
457 case WM8995_SYSCLK_FLL1:
458 reg1 |= 0x10;
459 rate = wm8995->fll[0].out;
460 break;
461 case WM8995_SYSCLK_FLL2:
462 reg1 |= 0x18;
463 rate = wm8995->fll[1].out;
464 break;
465 default:
466 return -EINVAL;
467 }
468
469 if (rate >= 13500000) {
470 rate /= 2;
471 reg1 |= WM8995_AIF1CLK_DIV;
472
473 dev_dbg(codec->dev, "Dividing AIF%d clock to %dHz\n",
474 aif + 1, rate);
475 }
476
477 wm8995->aifclk[aif] = rate;
478
479 snd_soc_update_bits(codec, WM8995_AIF1_CLOCKING_1 + offset,
480 WM8995_AIF1CLK_SRC_MASK | WM8995_AIF1CLK_DIV_MASK,
481 reg1);
482 return 0;
483 }
484
485 static int configure_clock(struct snd_soc_codec *codec)
486 {
487 struct wm8995_priv *wm8995;
488 int change, new;
489
490 wm8995 = snd_soc_codec_get_drvdata(codec);
491
492 /* Bring up the AIF clocks first */
493 configure_aif_clock(codec, 0);
494 configure_aif_clock(codec, 1);
495
496 /*
497 * Then switch CLK_SYS over to the higher of them; a change
498 * can only happen as a result of a clocking change which can
499 * only be made outside of DAPM so we can safely redo the
500 * clocking.
501 */
502
503 /* If they're equal it doesn't matter which is used */
504 if (wm8995->aifclk[0] == wm8995->aifclk[1])
505 return 0;
506
507 if (wm8995->aifclk[0] < wm8995->aifclk[1])
508 new = WM8995_SYSCLK_SRC;
509 else
510 new = 0;
511
512 change = snd_soc_update_bits(codec, WM8995_CLOCKING_1,
513 WM8995_SYSCLK_SRC_MASK, new);
514 if (!change)
515 return 0;
516
517 snd_soc_dapm_sync(&codec->dapm);
518
519 return 0;
520 }
521
522 static int clk_sys_event(struct snd_soc_dapm_widget *w,
523 struct snd_kcontrol *kcontrol, int event)
524 {
525 struct snd_soc_codec *codec;
526
527 codec = w->codec;
528
529 switch (event) {
530 case SND_SOC_DAPM_PRE_PMU:
531 return configure_clock(codec);
532
533 case SND_SOC_DAPM_POST_PMD:
534 configure_clock(codec);
535 break;
536 }
537
538 return 0;
539 }
540
541 static const char *sidetone_text[] = {
542 "ADC/DMIC1", "DMIC2",
543 };
544
545 static const struct soc_enum sidetone1_enum =
546 SOC_ENUM_SINGLE(WM8995_SIDETONE, 0, 2, sidetone_text);
547
548 static const struct snd_kcontrol_new sidetone1_mux =
549 SOC_DAPM_ENUM("Left Sidetone Mux", sidetone1_enum);
550
551 static const struct soc_enum sidetone2_enum =
552 SOC_ENUM_SINGLE(WM8995_SIDETONE, 1, 2, sidetone_text);
553
554 static const struct snd_kcontrol_new sidetone2_mux =
555 SOC_DAPM_ENUM("Right Sidetone Mux", sidetone2_enum);
556
557 static const struct snd_kcontrol_new aif1adc1l_mix[] = {
558 SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8995_AIF1_ADC1_LEFT_MIXER_ROUTING,
559 1, 1, 0),
560 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC1_LEFT_MIXER_ROUTING,
561 0, 1, 0),
562 };
563
564 static const struct snd_kcontrol_new aif1adc1r_mix[] = {
565 SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8995_AIF1_ADC1_RIGHT_MIXER_ROUTING,
566 1, 1, 0),
567 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC1_RIGHT_MIXER_ROUTING,
568 0, 1, 0),
569 };
570
571 static const struct snd_kcontrol_new aif1adc2l_mix[] = {
572 SOC_DAPM_SINGLE("DMIC Switch", WM8995_AIF1_ADC2_LEFT_MIXER_ROUTING,
573 1, 1, 0),
574 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC2_LEFT_MIXER_ROUTING,
575 0, 1, 0),
576 };
577
578 static const struct snd_kcontrol_new aif1adc2r_mix[] = {
579 SOC_DAPM_SINGLE("DMIC Switch", WM8995_AIF1_ADC2_RIGHT_MIXER_ROUTING,
580 1, 1, 0),
581 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC2_RIGHT_MIXER_ROUTING,
582 0, 1, 0),
583 };
584
585 static const struct snd_kcontrol_new dac1l_mix[] = {
586 WM8995_CLASS_W_SWITCH("Right Sidetone Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
587 5, 1, 0),
588 WM8995_CLASS_W_SWITCH("Left Sidetone Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
589 4, 1, 0),
590 WM8995_CLASS_W_SWITCH("AIF2 Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
591 2, 1, 0),
592 WM8995_CLASS_W_SWITCH("AIF1.2 Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
593 1, 1, 0),
594 WM8995_CLASS_W_SWITCH("AIF1.1 Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
595 0, 1, 0),
596 };
597
598 static const struct snd_kcontrol_new dac1r_mix[] = {
599 WM8995_CLASS_W_SWITCH("Right Sidetone Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
600 5, 1, 0),
601 WM8995_CLASS_W_SWITCH("Left Sidetone Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
602 4, 1, 0),
603 WM8995_CLASS_W_SWITCH("AIF2 Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
604 2, 1, 0),
605 WM8995_CLASS_W_SWITCH("AIF1.2 Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
606 1, 1, 0),
607 WM8995_CLASS_W_SWITCH("AIF1.1 Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
608 0, 1, 0),
609 };
610
611 static const struct snd_kcontrol_new aif2dac2l_mix[] = {
612 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
613 5, 1, 0),
614 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
615 4, 1, 0),
616 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
617 2, 1, 0),
618 SOC_DAPM_SINGLE("AIF1.2 Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
619 1, 1, 0),
620 SOC_DAPM_SINGLE("AIF1.1 Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
621 0, 1, 0),
622 };
623
624 static const struct snd_kcontrol_new aif2dac2r_mix[] = {
625 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
626 5, 1, 0),
627 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
628 4, 1, 0),
629 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
630 2, 1, 0),
631 SOC_DAPM_SINGLE("AIF1.2 Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
632 1, 1, 0),
633 SOC_DAPM_SINGLE("AIF1.1 Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
634 0, 1, 0),
635 };
636
637 static const struct snd_kcontrol_new in1l_pga =
638 SOC_DAPM_SINGLE("IN1L Switch", WM8995_POWER_MANAGEMENT_2, 5, 1, 0);
639
640 static const struct snd_kcontrol_new in1r_pga =
641 SOC_DAPM_SINGLE("IN1R Switch", WM8995_POWER_MANAGEMENT_2, 4, 1, 0);
642
643 static const char *adc_mux_text[] = {
644 "ADC",
645 "DMIC",
646 };
647
648 static const struct soc_enum adc_enum =
649 SOC_ENUM_SINGLE(0, 0, 2, adc_mux_text);
650
651 static const struct snd_kcontrol_new adcl_mux =
652 SOC_DAPM_ENUM_VIRT("ADCL Mux", adc_enum);
653
654 static const struct snd_kcontrol_new adcr_mux =
655 SOC_DAPM_ENUM_VIRT("ADCR Mux", adc_enum);
656
657 static const char *spk_src_text[] = {
658 "DAC1L", "DAC1R", "DAC2L", "DAC2R"
659 };
660
661 static const SOC_ENUM_SINGLE_DECL(spk1l_src_enum, WM8995_LEFT_PDM_SPEAKER_1,
662 0, spk_src_text);
663 static const SOC_ENUM_SINGLE_DECL(spk1r_src_enum, WM8995_RIGHT_PDM_SPEAKER_1,
664 0, spk_src_text);
665 static const SOC_ENUM_SINGLE_DECL(spk2l_src_enum, WM8995_LEFT_PDM_SPEAKER_2,
666 0, spk_src_text);
667 static const SOC_ENUM_SINGLE_DECL(spk2r_src_enum, WM8995_RIGHT_PDM_SPEAKER_2,
668 0, spk_src_text);
669
670 static const struct snd_kcontrol_new spk1l_mux =
671 SOC_DAPM_ENUM("SPK1L SRC", spk1l_src_enum);
672 static const struct snd_kcontrol_new spk1r_mux =
673 SOC_DAPM_ENUM("SPK1R SRC", spk1r_src_enum);
674 static const struct snd_kcontrol_new spk2l_mux =
675 SOC_DAPM_ENUM("SPK2L SRC", spk2l_src_enum);
676 static const struct snd_kcontrol_new spk2r_mux =
677 SOC_DAPM_ENUM("SPK2R SRC", spk2r_src_enum);
678
679 static const struct snd_soc_dapm_widget wm8995_dapm_widgets[] = {
680 SND_SOC_DAPM_INPUT("DMIC1DAT"),
681 SND_SOC_DAPM_INPUT("DMIC2DAT"),
682
683 SND_SOC_DAPM_INPUT("IN1L"),
684 SND_SOC_DAPM_INPUT("IN1R"),
685
686 SND_SOC_DAPM_MIXER("IN1L PGA", SND_SOC_NOPM, 0, 0,
687 &in1l_pga, 1),
688 SND_SOC_DAPM_MIXER("IN1R PGA", SND_SOC_NOPM, 0, 0,
689 &in1r_pga, 1),
690
691 SND_SOC_DAPM_MICBIAS("MICBIAS1", WM8995_POWER_MANAGEMENT_1, 8, 0),
692 SND_SOC_DAPM_MICBIAS("MICBIAS2", WM8995_POWER_MANAGEMENT_1, 9, 0),
693
694 SND_SOC_DAPM_SUPPLY("AIF1CLK", WM8995_AIF1_CLOCKING_1, 0, 0, NULL, 0),
695 SND_SOC_DAPM_SUPPLY("AIF2CLK", WM8995_AIF2_CLOCKING_1, 0, 0, NULL, 0),
696 SND_SOC_DAPM_SUPPLY("DSP1CLK", WM8995_CLOCKING_1, 3, 0, NULL, 0),
697 SND_SOC_DAPM_SUPPLY("DSP2CLK", WM8995_CLOCKING_1, 2, 0, NULL, 0),
698 SND_SOC_DAPM_SUPPLY("SYSDSPCLK", WM8995_CLOCKING_1, 1, 0, NULL, 0),
699 SND_SOC_DAPM_SUPPLY("CLK_SYS", SND_SOC_NOPM, 0, 0, clk_sys_event,
700 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
701
702 SND_SOC_DAPM_AIF_OUT("AIF1ADC1L", "AIF1 Capture", 0,
703 WM8995_POWER_MANAGEMENT_3, 9, 0),
704 SND_SOC_DAPM_AIF_OUT("AIF1ADC1R", "AIF1 Capture", 0,
705 WM8995_POWER_MANAGEMENT_3, 8, 0),
706 SND_SOC_DAPM_AIF_OUT("AIF1ADCDAT", "AIF1 Capture", 0,
707 SND_SOC_NOPM, 0, 0),
708 SND_SOC_DAPM_AIF_OUT("AIF1ADC2L", "AIF1 Capture",
709 0, WM8995_POWER_MANAGEMENT_3, 11, 0),
710 SND_SOC_DAPM_AIF_OUT("AIF1ADC2R", "AIF1 Capture",
711 0, WM8995_POWER_MANAGEMENT_3, 10, 0),
712
713 SND_SOC_DAPM_VIRT_MUX("ADCL Mux", SND_SOC_NOPM, 1, 0,
714 &adcl_mux),
715 SND_SOC_DAPM_VIRT_MUX("ADCR Mux", SND_SOC_NOPM, 0, 0,
716 &adcr_mux),
717
718 SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8995_POWER_MANAGEMENT_3, 5, 0),
719 SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8995_POWER_MANAGEMENT_3, 4, 0),
720 SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8995_POWER_MANAGEMENT_3, 3, 0),
721 SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8995_POWER_MANAGEMENT_3, 2, 0),
722
723 SND_SOC_DAPM_ADC("ADCL", NULL, WM8995_POWER_MANAGEMENT_3, 1, 0),
724 SND_SOC_DAPM_ADC("ADCR", NULL, WM8995_POWER_MANAGEMENT_3, 0, 0),
725
726 SND_SOC_DAPM_MIXER("AIF1ADC1L Mixer", SND_SOC_NOPM, 0, 0,
727 aif1adc1l_mix, ARRAY_SIZE(aif1adc1l_mix)),
728 SND_SOC_DAPM_MIXER("AIF1ADC1R Mixer", SND_SOC_NOPM, 0, 0,
729 aif1adc1r_mix, ARRAY_SIZE(aif1adc1r_mix)),
730 SND_SOC_DAPM_MIXER("AIF1ADC2L Mixer", SND_SOC_NOPM, 0, 0,
731 aif1adc2l_mix, ARRAY_SIZE(aif1adc2l_mix)),
732 SND_SOC_DAPM_MIXER("AIF1ADC2R Mixer", SND_SOC_NOPM, 0, 0,
733 aif1adc2r_mix, ARRAY_SIZE(aif1adc2r_mix)),
734
735 SND_SOC_DAPM_AIF_IN("AIF1DAC1L", NULL, 0, WM8995_POWER_MANAGEMENT_4,
736 9, 0),
737 SND_SOC_DAPM_AIF_IN("AIF1DAC1R", NULL, 0, WM8995_POWER_MANAGEMENT_4,
738 8, 0),
739 SND_SOC_DAPM_AIF_IN("AIF1DACDAT", "AIF1 Playback", 0, SND_SOC_NOPM,
740 0, 0),
741
742 SND_SOC_DAPM_AIF_IN("AIF1DAC2L", NULL, 0, WM8995_POWER_MANAGEMENT_4,
743 11, 0),
744 SND_SOC_DAPM_AIF_IN("AIF1DAC2R", NULL, 0, WM8995_POWER_MANAGEMENT_4,
745 10, 0),
746
747 SND_SOC_DAPM_MIXER("AIF2DAC2L Mixer", SND_SOC_NOPM, 0, 0,
748 aif2dac2l_mix, ARRAY_SIZE(aif2dac2l_mix)),
749 SND_SOC_DAPM_MIXER("AIF2DAC2R Mixer", SND_SOC_NOPM, 0, 0,
750 aif2dac2r_mix, ARRAY_SIZE(aif2dac2r_mix)),
751
752 SND_SOC_DAPM_DAC("DAC2L", NULL, WM8995_POWER_MANAGEMENT_4, 3, 0),
753 SND_SOC_DAPM_DAC("DAC2R", NULL, WM8995_POWER_MANAGEMENT_4, 2, 0),
754 SND_SOC_DAPM_DAC("DAC1L", NULL, WM8995_POWER_MANAGEMENT_4, 1, 0),
755 SND_SOC_DAPM_DAC("DAC1R", NULL, WM8995_POWER_MANAGEMENT_4, 0, 0),
756
757 SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0, dac1l_mix,
758 ARRAY_SIZE(dac1l_mix)),
759 SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0, dac1r_mix,
760 ARRAY_SIZE(dac1r_mix)),
761
762 SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &sidetone1_mux),
763 SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &sidetone2_mux),
764
765 SND_SOC_DAPM_PGA_E("Headphone PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
766 hp_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
767
768 SND_SOC_DAPM_SUPPLY("Headphone Supply", SND_SOC_NOPM, 0, 0,
769 hp_supply_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
770
771 SND_SOC_DAPM_MUX("SPK1L Driver", WM8995_LEFT_PDM_SPEAKER_1,
772 4, 0, &spk1l_mux),
773 SND_SOC_DAPM_MUX("SPK1R Driver", WM8995_RIGHT_PDM_SPEAKER_1,
774 4, 0, &spk1r_mux),
775 SND_SOC_DAPM_MUX("SPK2L Driver", WM8995_LEFT_PDM_SPEAKER_2,
776 4, 0, &spk2l_mux),
777 SND_SOC_DAPM_MUX("SPK2R Driver", WM8995_RIGHT_PDM_SPEAKER_2,
778 4, 0, &spk2r_mux),
779
780 SND_SOC_DAPM_SUPPLY("LDO2", WM8995_POWER_MANAGEMENT_2, 1, 0, NULL, 0),
781
782 SND_SOC_DAPM_OUTPUT("HP1L"),
783 SND_SOC_DAPM_OUTPUT("HP1R"),
784 SND_SOC_DAPM_OUTPUT("SPK1L"),
785 SND_SOC_DAPM_OUTPUT("SPK1R"),
786 SND_SOC_DAPM_OUTPUT("SPK2L"),
787 SND_SOC_DAPM_OUTPUT("SPK2R")
788 };
789
790 static const struct snd_soc_dapm_route wm8995_intercon[] = {
791 { "CLK_SYS", NULL, "AIF1CLK", check_clk_sys },
792 { "CLK_SYS", NULL, "AIF2CLK", check_clk_sys },
793
794 { "DSP1CLK", NULL, "CLK_SYS" },
795 { "DSP2CLK", NULL, "CLK_SYS" },
796 { "SYSDSPCLK", NULL, "CLK_SYS" },
797
798 { "AIF1ADC1L", NULL, "AIF1CLK" },
799 { "AIF1ADC1L", NULL, "DSP1CLK" },
800 { "AIF1ADC1R", NULL, "AIF1CLK" },
801 { "AIF1ADC1R", NULL, "DSP1CLK" },
802 { "AIF1ADC1R", NULL, "SYSDSPCLK" },
803
804 { "AIF1ADC2L", NULL, "AIF1CLK" },
805 { "AIF1ADC2L", NULL, "DSP1CLK" },
806 { "AIF1ADC2R", NULL, "AIF1CLK" },
807 { "AIF1ADC2R", NULL, "DSP1CLK" },
808 { "AIF1ADC2R", NULL, "SYSDSPCLK" },
809
810 { "DMIC1L", NULL, "DMIC1DAT" },
811 { "DMIC1L", NULL, "CLK_SYS" },
812 { "DMIC1R", NULL, "DMIC1DAT" },
813 { "DMIC1R", NULL, "CLK_SYS" },
814 { "DMIC2L", NULL, "DMIC2DAT" },
815 { "DMIC2L", NULL, "CLK_SYS" },
816 { "DMIC2R", NULL, "DMIC2DAT" },
817 { "DMIC2R", NULL, "CLK_SYS" },
818
819 { "ADCL", NULL, "AIF1CLK" },
820 { "ADCL", NULL, "DSP1CLK" },
821 { "ADCL", NULL, "SYSDSPCLK" },
822
823 { "ADCR", NULL, "AIF1CLK" },
824 { "ADCR", NULL, "DSP1CLK" },
825 { "ADCR", NULL, "SYSDSPCLK" },
826
827 { "IN1L PGA", "IN1L Switch", "IN1L" },
828 { "IN1R PGA", "IN1R Switch", "IN1R" },
829 { "IN1L PGA", NULL, "LDO2" },
830 { "IN1R PGA", NULL, "LDO2" },
831
832 { "ADCL", NULL, "IN1L PGA" },
833 { "ADCR", NULL, "IN1R PGA" },
834
835 { "ADCL Mux", "ADC", "ADCL" },
836 { "ADCL Mux", "DMIC", "DMIC1L" },
837 { "ADCR Mux", "ADC", "ADCR" },
838 { "ADCR Mux", "DMIC", "DMIC1R" },
839
840 /* AIF1 outputs */
841 { "AIF1ADC1L", NULL, "AIF1ADC1L Mixer" },
842 { "AIF1ADC1L Mixer", "ADC/DMIC Switch", "ADCL Mux" },
843
844 { "AIF1ADC1R", NULL, "AIF1ADC1R Mixer" },
845 { "AIF1ADC1R Mixer", "ADC/DMIC Switch", "ADCR Mux" },
846
847 { "AIF1ADC2L", NULL, "AIF1ADC2L Mixer" },
848 { "AIF1ADC2L Mixer", "DMIC Switch", "DMIC2L" },
849
850 { "AIF1ADC2R", NULL, "AIF1ADC2R Mixer" },
851 { "AIF1ADC2R Mixer", "DMIC Switch", "DMIC2R" },
852
853 /* Sidetone */
854 { "Left Sidetone", "ADC/DMIC1", "AIF1ADC1L" },
855 { "Left Sidetone", "DMIC2", "AIF1ADC2L" },
856 { "Right Sidetone", "ADC/DMIC1", "AIF1ADC1R" },
857 { "Right Sidetone", "DMIC2", "AIF1ADC2R" },
858
859 { "AIF1DAC1L", NULL, "AIF1CLK" },
860 { "AIF1DAC1L", NULL, "DSP1CLK" },
861 { "AIF1DAC1R", NULL, "AIF1CLK" },
862 { "AIF1DAC1R", NULL, "DSP1CLK" },
863 { "AIF1DAC1R", NULL, "SYSDSPCLK" },
864
865 { "AIF1DAC2L", NULL, "AIF1CLK" },
866 { "AIF1DAC2L", NULL, "DSP1CLK" },
867 { "AIF1DAC2R", NULL, "AIF1CLK" },
868 { "AIF1DAC2R", NULL, "DSP1CLK" },
869 { "AIF1DAC2R", NULL, "SYSDSPCLK" },
870
871 { "DAC1L", NULL, "AIF1CLK" },
872 { "DAC1L", NULL, "DSP1CLK" },
873 { "DAC1L", NULL, "SYSDSPCLK" },
874
875 { "DAC1R", NULL, "AIF1CLK" },
876 { "DAC1R", NULL, "DSP1CLK" },
877 { "DAC1R", NULL, "SYSDSPCLK" },
878
879 { "AIF1DAC1L", NULL, "AIF1DACDAT" },
880 { "AIF1DAC1R", NULL, "AIF1DACDAT" },
881 { "AIF1DAC2L", NULL, "AIF1DACDAT" },
882 { "AIF1DAC2R", NULL, "AIF1DACDAT" },
883
884 /* DAC1 inputs */
885 { "DAC1L", NULL, "DAC1L Mixer" },
886 { "DAC1L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
887 { "DAC1L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
888 { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
889 { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
890
891 { "DAC1R", NULL, "DAC1R Mixer" },
892 { "DAC1R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
893 { "DAC1R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
894 { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
895 { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
896
897 /* DAC2/AIF2 outputs */
898 { "DAC2L", NULL, "AIF2DAC2L Mixer" },
899 { "AIF2DAC2L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
900 { "AIF2DAC2L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
901
902 { "DAC2R", NULL, "AIF2DAC2R Mixer" },
903 { "AIF2DAC2R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
904 { "AIF2DAC2R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
905
906 /* Output stages */
907 { "Headphone PGA", NULL, "DAC1L" },
908 { "Headphone PGA", NULL, "DAC1R" },
909
910 { "Headphone PGA", NULL, "DAC2L" },
911 { "Headphone PGA", NULL, "DAC2R" },
912
913 { "Headphone PGA", NULL, "Headphone Supply" },
914 { "Headphone PGA", NULL, "CLK_SYS" },
915 { "Headphone PGA", NULL, "LDO2" },
916
917 { "HP1L", NULL, "Headphone PGA" },
918 { "HP1R", NULL, "Headphone PGA" },
919
920 { "SPK1L Driver", "DAC1L", "DAC1L" },
921 { "SPK1L Driver", "DAC1R", "DAC1R" },
922 { "SPK1L Driver", "DAC2L", "DAC2L" },
923 { "SPK1L Driver", "DAC2R", "DAC2R" },
924 { "SPK1L Driver", NULL, "CLK_SYS" },
925
926 { "SPK1R Driver", "DAC1L", "DAC1L" },
927 { "SPK1R Driver", "DAC1R", "DAC1R" },
928 { "SPK1R Driver", "DAC2L", "DAC2L" },
929 { "SPK1R Driver", "DAC2R", "DAC2R" },
930 { "SPK1R Driver", NULL, "CLK_SYS" },
931
932 { "SPK2L Driver", "DAC1L", "DAC1L" },
933 { "SPK2L Driver", "DAC1R", "DAC1R" },
934 { "SPK2L Driver", "DAC2L", "DAC2L" },
935 { "SPK2L Driver", "DAC2R", "DAC2R" },
936 { "SPK2L Driver", NULL, "CLK_SYS" },
937
938 { "SPK2R Driver", "DAC1L", "DAC1L" },
939 { "SPK2R Driver", "DAC1R", "DAC1R" },
940 { "SPK2R Driver", "DAC2L", "DAC2L" },
941 { "SPK2R Driver", "DAC2R", "DAC2R" },
942 { "SPK2R Driver", NULL, "CLK_SYS" },
943
944 { "SPK1L", NULL, "SPK1L Driver" },
945 { "SPK1R", NULL, "SPK1R Driver" },
946 { "SPK2L", NULL, "SPK2L Driver" },
947 { "SPK2R", NULL, "SPK2R Driver" }
948 };
949
950 static int wm8995_volatile(struct snd_soc_codec *codec, unsigned int reg)
951 {
952 /* out of bounds registers are generally considered
953 * volatile to support register banks that are partially
954 * owned by something else for e.g. a DSP
955 */
956 if (reg > WM8995_MAX_CACHED_REGISTER)
957 return 1;
958
959 switch (reg) {
960 case WM8995_SOFTWARE_RESET:
961 case WM8995_DC_SERVO_READBACK_0:
962 case WM8995_INTERRUPT_STATUS_1:
963 case WM8995_INTERRUPT_STATUS_2:
964 case WM8995_INTERRUPT_STATUS_1_MASK:
965 case WM8995_INTERRUPT_STATUS_2_MASK:
966 case WM8995_INTERRUPT_CONTROL:
967 case WM8995_ACCESSORY_DETECT_MODE1:
968 case WM8995_ACCESSORY_DETECT_MODE2:
969 case WM8995_HEADPHONE_DETECT1:
970 case WM8995_HEADPHONE_DETECT2:
971 return 1;
972 }
973
974 return 0;
975 }
976
977 static int wm8995_aif_mute(struct snd_soc_dai *dai, int mute)
978 {
979 struct snd_soc_codec *codec = dai->codec;
980 int mute_reg;
981
982 switch (dai->id) {
983 case 0:
984 mute_reg = WM8995_AIF1_DAC1_FILTERS_1;
985 break;
986 case 1:
987 mute_reg = WM8995_AIF2_DAC_FILTERS_1;
988 break;
989 default:
990 return -EINVAL;
991 }
992
993 snd_soc_update_bits(codec, mute_reg, WM8995_AIF1DAC1_MUTE_MASK,
994 !!mute << WM8995_AIF1DAC1_MUTE_SHIFT);
995 return 0;
996 }
997
998 static int wm8995_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
999 {
1000 struct snd_soc_codec *codec;
1001 int master;
1002 int aif;
1003
1004 codec = dai->codec;
1005
1006 master = 0;
1007 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1008 case SND_SOC_DAIFMT_CBS_CFS:
1009 break;
1010 case SND_SOC_DAIFMT_CBM_CFM:
1011 master = WM8995_AIF1_MSTR;
1012 break;
1013 default:
1014 dev_err(dai->dev, "Unknown master/slave configuration\n");
1015 return -EINVAL;
1016 }
1017
1018 aif = 0;
1019 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1020 case SND_SOC_DAIFMT_DSP_B:
1021 aif |= WM8995_AIF1_LRCLK_INV;
1022 case SND_SOC_DAIFMT_DSP_A:
1023 aif |= (0x3 << WM8995_AIF1_FMT_SHIFT);
1024 break;
1025 case SND_SOC_DAIFMT_I2S:
1026 aif |= (0x2 << WM8995_AIF1_FMT_SHIFT);
1027 break;
1028 case SND_SOC_DAIFMT_RIGHT_J:
1029 break;
1030 case SND_SOC_DAIFMT_LEFT_J:
1031 aif |= (0x1 << WM8995_AIF1_FMT_SHIFT);
1032 break;
1033 default:
1034 dev_err(dai->dev, "Unknown dai format\n");
1035 return -EINVAL;
1036 }
1037
1038 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1039 case SND_SOC_DAIFMT_DSP_A:
1040 case SND_SOC_DAIFMT_DSP_B:
1041 /* frame inversion not valid for DSP modes */
1042 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1043 case SND_SOC_DAIFMT_NB_NF:
1044 break;
1045 case SND_SOC_DAIFMT_IB_NF:
1046 aif |= WM8995_AIF1_BCLK_INV;
1047 break;
1048 default:
1049 return -EINVAL;
1050 }
1051 break;
1052
1053 case SND_SOC_DAIFMT_I2S:
1054 case SND_SOC_DAIFMT_RIGHT_J:
1055 case SND_SOC_DAIFMT_LEFT_J:
1056 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1057 case SND_SOC_DAIFMT_NB_NF:
1058 break;
1059 case SND_SOC_DAIFMT_IB_IF:
1060 aif |= WM8995_AIF1_BCLK_INV | WM8995_AIF1_LRCLK_INV;
1061 break;
1062 case SND_SOC_DAIFMT_IB_NF:
1063 aif |= WM8995_AIF1_BCLK_INV;
1064 break;
1065 case SND_SOC_DAIFMT_NB_IF:
1066 aif |= WM8995_AIF1_LRCLK_INV;
1067 break;
1068 default:
1069 return -EINVAL;
1070 }
1071 break;
1072 default:
1073 return -EINVAL;
1074 }
1075
1076 snd_soc_update_bits(codec, WM8995_AIF1_CONTROL_1,
1077 WM8995_AIF1_BCLK_INV_MASK |
1078 WM8995_AIF1_LRCLK_INV_MASK |
1079 WM8995_AIF1_FMT_MASK, aif);
1080 snd_soc_update_bits(codec, WM8995_AIF1_MASTER_SLAVE,
1081 WM8995_AIF1_MSTR_MASK, master);
1082 return 0;
1083 }
1084
1085 static const int srs[] = {
1086 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100,
1087 48000, 88200, 96000
1088 };
1089
1090 static const int fs_ratios[] = {
1091 -1 /* reserved */,
1092 128, 192, 256, 384, 512, 768, 1024, 1408, 1536
1093 };
1094
1095 static const int bclk_divs[] = {
1096 10, 15, 20, 30, 40, 55, 60, 80, 110, 120, 160, 220, 240, 320, 440, 480
1097 };
1098
1099 static int wm8995_hw_params(struct snd_pcm_substream *substream,
1100 struct snd_pcm_hw_params *params,
1101 struct snd_soc_dai *dai)
1102 {
1103 struct snd_soc_codec *codec;
1104 struct wm8995_priv *wm8995;
1105 int aif1_reg;
1106 int bclk_reg;
1107 int lrclk_reg;
1108 int rate_reg;
1109 int bclk_rate;
1110 int aif1;
1111 int lrclk, bclk;
1112 int i, rate_val, best, best_val, cur_val;
1113
1114 codec = dai->codec;
1115 wm8995 = snd_soc_codec_get_drvdata(codec);
1116
1117 switch (dai->id) {
1118 case 0:
1119 aif1_reg = WM8995_AIF1_CONTROL_1;
1120 bclk_reg = WM8995_AIF1_BCLK;
1121 rate_reg = WM8995_AIF1_RATE;
1122 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK /* ||
1123 wm8995->lrclk_shared[0] */) {
1124 lrclk_reg = WM8995_AIF1DAC_LRCLK;
1125 } else {
1126 lrclk_reg = WM8995_AIF1ADC_LRCLK;
1127 dev_dbg(codec->dev, "AIF1 using split LRCLK\n");
1128 }
1129 break;
1130 case 1:
1131 aif1_reg = WM8995_AIF2_CONTROL_1;
1132 bclk_reg = WM8995_AIF2_BCLK;
1133 rate_reg = WM8995_AIF2_RATE;
1134 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK /* ||
1135 wm8995->lrclk_shared[1] */) {
1136 lrclk_reg = WM8995_AIF2DAC_LRCLK;
1137 } else {
1138 lrclk_reg = WM8995_AIF2ADC_LRCLK;
1139 dev_dbg(codec->dev, "AIF2 using split LRCLK\n");
1140 }
1141 break;
1142 default:
1143 return -EINVAL;
1144 }
1145
1146 bclk_rate = snd_soc_params_to_bclk(params);
1147 if (bclk_rate < 0)
1148 return bclk_rate;
1149
1150 aif1 = 0;
1151 switch (params_format(params)) {
1152 case SNDRV_PCM_FORMAT_S16_LE:
1153 break;
1154 case SNDRV_PCM_FORMAT_S20_3LE:
1155 aif1 |= (0x1 << WM8995_AIF1_WL_SHIFT);
1156 break;
1157 case SNDRV_PCM_FORMAT_S24_LE:
1158 aif1 |= (0x2 << WM8995_AIF1_WL_SHIFT);
1159 break;
1160 case SNDRV_PCM_FORMAT_S32_LE:
1161 aif1 |= (0x3 << WM8995_AIF1_WL_SHIFT);
1162 break;
1163 default:
1164 dev_err(dai->dev, "Unsupported word length %u\n",
1165 params_format(params));
1166 return -EINVAL;
1167 }
1168
1169 /* try to find a suitable sample rate */
1170 for (i = 0; i < ARRAY_SIZE(srs); ++i)
1171 if (srs[i] == params_rate(params))
1172 break;
1173 if (i == ARRAY_SIZE(srs)) {
1174 dev_err(dai->dev, "Sample rate %d is not supported\n",
1175 params_rate(params));
1176 return -EINVAL;
1177 }
1178 rate_val = i << WM8995_AIF1_SR_SHIFT;
1179
1180 dev_dbg(dai->dev, "Sample rate is %dHz\n", srs[i]);
1181 dev_dbg(dai->dev, "AIF%dCLK is %dHz, target BCLK %dHz\n",
1182 dai->id + 1, wm8995->aifclk[dai->id], bclk_rate);
1183
1184 /* AIFCLK/fs ratio; look for a close match in either direction */
1185 best = 1;
1186 best_val = abs((fs_ratios[1] * params_rate(params))
1187 - wm8995->aifclk[dai->id]);
1188 for (i = 2; i < ARRAY_SIZE(fs_ratios); i++) {
1189 cur_val = abs((fs_ratios[i] * params_rate(params))
1190 - wm8995->aifclk[dai->id]);
1191 if (cur_val >= best_val)
1192 continue;
1193 best = i;
1194 best_val = cur_val;
1195 }
1196 rate_val |= best;
1197
1198 dev_dbg(dai->dev, "Selected AIF%dCLK/fs = %d\n",
1199 dai->id + 1, fs_ratios[best]);
1200
1201 /*
1202 * We may not get quite the right frequency if using
1203 * approximate clocks so look for the closest match that is
1204 * higher than the target (we need to ensure that there enough
1205 * BCLKs to clock out the samples).
1206 */
1207 best = 0;
1208 bclk = 0;
1209 for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
1210 cur_val = (wm8995->aifclk[dai->id] * 10 / bclk_divs[i]) - bclk_rate;
1211 if (cur_val < 0) /* BCLK table is sorted */
1212 break;
1213 best = i;
1214 }
1215 bclk |= best << WM8995_AIF1_BCLK_DIV_SHIFT;
1216
1217 bclk_rate = wm8995->aifclk[dai->id] * 10 / bclk_divs[best];
1218 dev_dbg(dai->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
1219 bclk_divs[best], bclk_rate);
1220
1221 lrclk = bclk_rate / params_rate(params);
1222 dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
1223 lrclk, bclk_rate / lrclk);
1224
1225 snd_soc_update_bits(codec, aif1_reg,
1226 WM8995_AIF1_WL_MASK, aif1);
1227 snd_soc_update_bits(codec, bclk_reg,
1228 WM8995_AIF1_BCLK_DIV_MASK, bclk);
1229 snd_soc_update_bits(codec, lrclk_reg,
1230 WM8995_AIF1DAC_RATE_MASK, lrclk);
1231 snd_soc_update_bits(codec, rate_reg,
1232 WM8995_AIF1_SR_MASK |
1233 WM8995_AIF1CLK_RATE_MASK, rate_val);
1234 return 0;
1235 }
1236
1237 static int wm8995_set_tristate(struct snd_soc_dai *codec_dai, int tristate)
1238 {
1239 struct snd_soc_codec *codec = codec_dai->codec;
1240 int reg, val, mask;
1241
1242 switch (codec_dai->id) {
1243 case 0:
1244 reg = WM8995_AIF1_MASTER_SLAVE;
1245 mask = WM8995_AIF1_TRI;
1246 break;
1247 case 1:
1248 reg = WM8995_AIF2_MASTER_SLAVE;
1249 mask = WM8995_AIF2_TRI;
1250 break;
1251 case 2:
1252 reg = WM8995_POWER_MANAGEMENT_5;
1253 mask = WM8995_AIF3_TRI;
1254 break;
1255 default:
1256 return -EINVAL;
1257 }
1258
1259 if (tristate)
1260 val = mask;
1261 else
1262 val = 0;
1263
1264 return snd_soc_update_bits(codec, reg, mask, val);
1265 }
1266
1267 /* The size in bits of the FLL divide multiplied by 10
1268 * to allow rounding later */
1269 #define FIXED_FLL_SIZE ((1 << 16) * 10)
1270
1271 struct fll_div {
1272 u16 outdiv;
1273 u16 n;
1274 u16 k;
1275 u16 clk_ref_div;
1276 u16 fll_fratio;
1277 };
1278
1279 static int wm8995_get_fll_config(struct fll_div *fll,
1280 int freq_in, int freq_out)
1281 {
1282 u64 Kpart;
1283 unsigned int K, Ndiv, Nmod;
1284
1285 pr_debug("FLL input=%dHz, output=%dHz\n", freq_in, freq_out);
1286
1287 /* Scale the input frequency down to <= 13.5MHz */
1288 fll->clk_ref_div = 0;
1289 while (freq_in > 13500000) {
1290 fll->clk_ref_div++;
1291 freq_in /= 2;
1292
1293 if (fll->clk_ref_div > 3)
1294 return -EINVAL;
1295 }
1296 pr_debug("CLK_REF_DIV=%d, Fref=%dHz\n", fll->clk_ref_div, freq_in);
1297
1298 /* Scale the output to give 90MHz<=Fvco<=100MHz */
1299 fll->outdiv = 3;
1300 while (freq_out * (fll->outdiv + 1) < 90000000) {
1301 fll->outdiv++;
1302 if (fll->outdiv > 63)
1303 return -EINVAL;
1304 }
1305 freq_out *= fll->outdiv + 1;
1306 pr_debug("OUTDIV=%d, Fvco=%dHz\n", fll->outdiv, freq_out);
1307
1308 if (freq_in > 1000000) {
1309 fll->fll_fratio = 0;
1310 } else if (freq_in > 256000) {
1311 fll->fll_fratio = 1;
1312 freq_in *= 2;
1313 } else if (freq_in > 128000) {
1314 fll->fll_fratio = 2;
1315 freq_in *= 4;
1316 } else if (freq_in > 64000) {
1317 fll->fll_fratio = 3;
1318 freq_in *= 8;
1319 } else {
1320 fll->fll_fratio = 4;
1321 freq_in *= 16;
1322 }
1323 pr_debug("FLL_FRATIO=%d, Fref=%dHz\n", fll->fll_fratio, freq_in);
1324
1325 /* Now, calculate N.K */
1326 Ndiv = freq_out / freq_in;
1327
1328 fll->n = Ndiv;
1329 Nmod = freq_out % freq_in;
1330 pr_debug("Nmod=%d\n", Nmod);
1331
1332 /* Calculate fractional part - scale up so we can round. */
1333 Kpart = FIXED_FLL_SIZE * (long long)Nmod;
1334
1335 do_div(Kpart, freq_in);
1336
1337 K = Kpart & 0xFFFFFFFF;
1338
1339 if ((K % 10) >= 5)
1340 K += 5;
1341
1342 /* Move down to proper range now rounding is done */
1343 fll->k = K / 10;
1344
1345 pr_debug("N=%x K=%x\n", fll->n, fll->k);
1346
1347 return 0;
1348 }
1349
1350 static int wm8995_set_fll(struct snd_soc_dai *dai, int id,
1351 int src, unsigned int freq_in,
1352 unsigned int freq_out)
1353 {
1354 struct snd_soc_codec *codec;
1355 struct wm8995_priv *wm8995;
1356 int reg_offset, ret;
1357 struct fll_div fll;
1358 u16 reg, aif1, aif2;
1359
1360 codec = dai->codec;
1361 wm8995 = snd_soc_codec_get_drvdata(codec);
1362
1363 aif1 = snd_soc_read(codec, WM8995_AIF1_CLOCKING_1)
1364 & WM8995_AIF1CLK_ENA;
1365
1366 aif2 = snd_soc_read(codec, WM8995_AIF2_CLOCKING_1)
1367 & WM8995_AIF2CLK_ENA;
1368
1369 switch (id) {
1370 case WM8995_FLL1:
1371 reg_offset = 0;
1372 id = 0;
1373 break;
1374 case WM8995_FLL2:
1375 reg_offset = 0x20;
1376 id = 1;
1377 break;
1378 default:
1379 return -EINVAL;
1380 }
1381
1382 switch (src) {
1383 case 0:
1384 /* Allow no source specification when stopping */
1385 if (freq_out)
1386 return -EINVAL;
1387 break;
1388 case WM8995_FLL_SRC_MCLK1:
1389 case WM8995_FLL_SRC_MCLK2:
1390 case WM8995_FLL_SRC_LRCLK:
1391 case WM8995_FLL_SRC_BCLK:
1392 break;
1393 default:
1394 return -EINVAL;
1395 }
1396
1397 /* Are we changing anything? */
1398 if (wm8995->fll[id].src == src &&
1399 wm8995->fll[id].in == freq_in && wm8995->fll[id].out == freq_out)
1400 return 0;
1401
1402 /* If we're stopping the FLL redo the old config - no
1403 * registers will actually be written but we avoid GCC flow
1404 * analysis bugs spewing warnings.
1405 */
1406 if (freq_out)
1407 ret = wm8995_get_fll_config(&fll, freq_in, freq_out);
1408 else
1409 ret = wm8995_get_fll_config(&fll, wm8995->fll[id].in,
1410 wm8995->fll[id].out);
1411 if (ret < 0)
1412 return ret;
1413
1414 /* Gate the AIF clocks while we reclock */
1415 snd_soc_update_bits(codec, WM8995_AIF1_CLOCKING_1,
1416 WM8995_AIF1CLK_ENA_MASK, 0);
1417 snd_soc_update_bits(codec, WM8995_AIF2_CLOCKING_1,
1418 WM8995_AIF2CLK_ENA_MASK, 0);
1419
1420 /* We always need to disable the FLL while reconfiguring */
1421 snd_soc_update_bits(codec, WM8995_FLL1_CONTROL_1 + reg_offset,
1422 WM8995_FLL1_ENA_MASK, 0);
1423
1424 reg = (fll.outdiv << WM8995_FLL1_OUTDIV_SHIFT) |
1425 (fll.fll_fratio << WM8995_FLL1_FRATIO_SHIFT);
1426 snd_soc_update_bits(codec, WM8995_FLL1_CONTROL_2 + reg_offset,
1427 WM8995_FLL1_OUTDIV_MASK |
1428 WM8995_FLL1_FRATIO_MASK, reg);
1429
1430 snd_soc_write(codec, WM8995_FLL1_CONTROL_3 + reg_offset, fll.k);
1431
1432 snd_soc_update_bits(codec, WM8995_FLL1_CONTROL_4 + reg_offset,
1433 WM8995_FLL1_N_MASK,
1434 fll.n << WM8995_FLL1_N_SHIFT);
1435
1436 snd_soc_update_bits(codec, WM8995_FLL1_CONTROL_5 + reg_offset,
1437 WM8995_FLL1_REFCLK_DIV_MASK |
1438 WM8995_FLL1_REFCLK_SRC_MASK,
1439 (fll.clk_ref_div << WM8995_FLL1_REFCLK_DIV_SHIFT) |
1440 (src - 1));
1441
1442 if (freq_out)
1443 snd_soc_update_bits(codec, WM8995_FLL1_CONTROL_1 + reg_offset,
1444 WM8995_FLL1_ENA_MASK, WM8995_FLL1_ENA);
1445
1446 wm8995->fll[id].in = freq_in;
1447 wm8995->fll[id].out = freq_out;
1448 wm8995->fll[id].src = src;
1449
1450 /* Enable any gated AIF clocks */
1451 snd_soc_update_bits(codec, WM8995_AIF1_CLOCKING_1,
1452 WM8995_AIF1CLK_ENA_MASK, aif1);
1453 snd_soc_update_bits(codec, WM8995_AIF2_CLOCKING_1,
1454 WM8995_AIF2CLK_ENA_MASK, aif2);
1455
1456 configure_clock(codec);
1457
1458 return 0;
1459 }
1460
1461 static int wm8995_set_dai_sysclk(struct snd_soc_dai *dai,
1462 int clk_id, unsigned int freq, int dir)
1463 {
1464 struct snd_soc_codec *codec;
1465 struct wm8995_priv *wm8995;
1466
1467 codec = dai->codec;
1468 wm8995 = snd_soc_codec_get_drvdata(codec);
1469
1470 switch (dai->id) {
1471 case 0:
1472 case 1:
1473 break;
1474 default:
1475 /* AIF3 shares clocking with AIF1/2 */
1476 return -EINVAL;
1477 }
1478
1479 switch (clk_id) {
1480 case WM8995_SYSCLK_MCLK1:
1481 wm8995->sysclk[dai->id] = WM8995_SYSCLK_MCLK1;
1482 wm8995->mclk[0] = freq;
1483 dev_dbg(dai->dev, "AIF%d using MCLK1 at %uHz\n",
1484 dai->id + 1, freq);
1485 break;
1486 case WM8995_SYSCLK_MCLK2:
1487 wm8995->sysclk[dai->id] = WM8995_SYSCLK_MCLK1;
1488 wm8995->mclk[1] = freq;
1489 dev_dbg(dai->dev, "AIF%d using MCLK2 at %uHz\n",
1490 dai->id + 1, freq);
1491 break;
1492 case WM8995_SYSCLK_FLL1:
1493 wm8995->sysclk[dai->id] = WM8995_SYSCLK_FLL1;
1494 dev_dbg(dai->dev, "AIF%d using FLL1\n", dai->id + 1);
1495 break;
1496 case WM8995_SYSCLK_FLL2:
1497 wm8995->sysclk[dai->id] = WM8995_SYSCLK_FLL2;
1498 dev_dbg(dai->dev, "AIF%d using FLL2\n", dai->id + 1);
1499 break;
1500 case WM8995_SYSCLK_OPCLK:
1501 default:
1502 dev_err(dai->dev, "Unknown clock source %d\n", clk_id);
1503 return -EINVAL;
1504 }
1505
1506 configure_clock(codec);
1507
1508 return 0;
1509 }
1510
1511 static int wm8995_set_bias_level(struct snd_soc_codec *codec,
1512 enum snd_soc_bias_level level)
1513 {
1514 struct wm8995_priv *wm8995;
1515 int ret;
1516
1517 wm8995 = snd_soc_codec_get_drvdata(codec);
1518 switch (level) {
1519 case SND_SOC_BIAS_ON:
1520 case SND_SOC_BIAS_PREPARE:
1521 break;
1522 case SND_SOC_BIAS_STANDBY:
1523 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1524 ret = regulator_bulk_enable(ARRAY_SIZE(wm8995->supplies),
1525 wm8995->supplies);
1526 if (ret)
1527 return ret;
1528
1529 ret = snd_soc_cache_sync(codec);
1530 if (ret) {
1531 dev_err(codec->dev,
1532 "Failed to sync cache: %d\n", ret);
1533 return ret;
1534 }
1535
1536 snd_soc_update_bits(codec, WM8995_POWER_MANAGEMENT_1,
1537 WM8995_BG_ENA_MASK, WM8995_BG_ENA);
1538 }
1539 break;
1540 case SND_SOC_BIAS_OFF:
1541 snd_soc_update_bits(codec, WM8995_POWER_MANAGEMENT_1,
1542 WM8995_BG_ENA_MASK, 0);
1543 regulator_bulk_disable(ARRAY_SIZE(wm8995->supplies),
1544 wm8995->supplies);
1545 break;
1546 }
1547
1548 codec->dapm.bias_level = level;
1549 return 0;
1550 }
1551
1552 #ifdef CONFIG_PM
1553 static int wm8995_suspend(struct snd_soc_codec *codec, pm_message_t state)
1554 {
1555 wm8995_set_bias_level(codec, SND_SOC_BIAS_OFF);
1556 return 0;
1557 }
1558
1559 static int wm8995_resume(struct snd_soc_codec *codec)
1560 {
1561 wm8995_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1562 return 0;
1563 }
1564 #else
1565 #define wm8995_suspend NULL
1566 #define wm8995_resume NULL
1567 #endif
1568
1569 static int wm8995_remove(struct snd_soc_codec *codec)
1570 {
1571 struct wm8995_priv *wm8995;
1572 int i;
1573
1574 wm8995 = snd_soc_codec_get_drvdata(codec);
1575 wm8995_set_bias_level(codec, SND_SOC_BIAS_OFF);
1576
1577 for (i = 0; i < ARRAY_SIZE(wm8995->supplies); ++i)
1578 regulator_unregister_notifier(wm8995->supplies[i].consumer,
1579 &wm8995->disable_nb[i]);
1580
1581 regulator_bulk_free(ARRAY_SIZE(wm8995->supplies), wm8995->supplies);
1582 return 0;
1583 }
1584
1585 static int wm8995_probe(struct snd_soc_codec *codec)
1586 {
1587 struct wm8995_priv *wm8995;
1588 int i;
1589 int ret;
1590
1591 codec->dapm.idle_bias_off = 1;
1592 wm8995 = snd_soc_codec_get_drvdata(codec);
1593 wm8995->codec = codec;
1594
1595 ret = snd_soc_codec_set_cache_io(codec, 16, 16, wm8995->control_type);
1596 if (ret < 0) {
1597 dev_err(codec->dev, "Failed to set cache i/o: %d\n", ret);
1598 return ret;
1599 }
1600
1601 for (i = 0; i < ARRAY_SIZE(wm8995->supplies); i++)
1602 wm8995->supplies[i].supply = wm8995_supply_names[i];
1603
1604 ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8995->supplies),
1605 wm8995->supplies);
1606 if (ret) {
1607 dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
1608 return ret;
1609 }
1610
1611 wm8995->disable_nb[0].notifier_call = wm8995_regulator_event_0;
1612 wm8995->disable_nb[1].notifier_call = wm8995_regulator_event_1;
1613 wm8995->disable_nb[2].notifier_call = wm8995_regulator_event_2;
1614 wm8995->disable_nb[3].notifier_call = wm8995_regulator_event_3;
1615 wm8995->disable_nb[4].notifier_call = wm8995_regulator_event_4;
1616 wm8995->disable_nb[5].notifier_call = wm8995_regulator_event_5;
1617 wm8995->disable_nb[6].notifier_call = wm8995_regulator_event_6;
1618 wm8995->disable_nb[7].notifier_call = wm8995_regulator_event_7;
1619
1620 /* This should really be moved into the regulator core */
1621 for (i = 0; i < ARRAY_SIZE(wm8995->supplies); i++) {
1622 ret = regulator_register_notifier(wm8995->supplies[i].consumer,
1623 &wm8995->disable_nb[i]);
1624 if (ret) {
1625 dev_err(codec->dev,
1626 "Failed to register regulator notifier: %d\n",
1627 ret);
1628 }
1629 }
1630
1631 ret = regulator_bulk_enable(ARRAY_SIZE(wm8995->supplies),
1632 wm8995->supplies);
1633 if (ret) {
1634 dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
1635 goto err_reg_get;
1636 }
1637
1638 ret = snd_soc_read(codec, WM8995_SOFTWARE_RESET);
1639 if (ret < 0) {
1640 dev_err(codec->dev, "Failed to read device ID: %d\n", ret);
1641 goto err_reg_enable;
1642 }
1643
1644 if (ret != 0x8995) {
1645 dev_err(codec->dev, "Invalid device ID: %#x\n", ret);
1646 ret = -EINVAL;
1647 goto err_reg_enable;
1648 }
1649
1650 ret = snd_soc_write(codec, WM8995_SOFTWARE_RESET, 0);
1651 if (ret < 0) {
1652 dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
1653 goto err_reg_enable;
1654 }
1655
1656 wm8995_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1657
1658 /* Latch volume updates (right only; we always do left then right). */
1659 snd_soc_update_bits(codec, WM8995_AIF1_DAC1_RIGHT_VOLUME,
1660 WM8995_AIF1DAC1_VU_MASK, WM8995_AIF1DAC1_VU);
1661 snd_soc_update_bits(codec, WM8995_AIF1_DAC2_RIGHT_VOLUME,
1662 WM8995_AIF1DAC2_VU_MASK, WM8995_AIF1DAC2_VU);
1663 snd_soc_update_bits(codec, WM8995_AIF2_DAC_RIGHT_VOLUME,
1664 WM8995_AIF2DAC_VU_MASK, WM8995_AIF2DAC_VU);
1665 snd_soc_update_bits(codec, WM8995_AIF1_ADC1_RIGHT_VOLUME,
1666 WM8995_AIF1ADC1_VU_MASK, WM8995_AIF1ADC1_VU);
1667 snd_soc_update_bits(codec, WM8995_AIF1_ADC2_RIGHT_VOLUME,
1668 WM8995_AIF1ADC2_VU_MASK, WM8995_AIF1ADC2_VU);
1669 snd_soc_update_bits(codec, WM8995_AIF2_ADC_RIGHT_VOLUME,
1670 WM8995_AIF2ADC_VU_MASK, WM8995_AIF1ADC2_VU);
1671 snd_soc_update_bits(codec, WM8995_DAC1_RIGHT_VOLUME,
1672 WM8995_DAC1_VU_MASK, WM8995_DAC1_VU);
1673 snd_soc_update_bits(codec, WM8995_DAC2_RIGHT_VOLUME,
1674 WM8995_DAC2_VU_MASK, WM8995_DAC2_VU);
1675 snd_soc_update_bits(codec, WM8995_RIGHT_LINE_INPUT_1_VOLUME,
1676 WM8995_IN1_VU_MASK, WM8995_IN1_VU);
1677
1678 wm8995_update_class_w(codec);
1679
1680 snd_soc_add_controls(codec, wm8995_snd_controls,
1681 ARRAY_SIZE(wm8995_snd_controls));
1682 snd_soc_dapm_new_controls(&codec->dapm, wm8995_dapm_widgets,
1683 ARRAY_SIZE(wm8995_dapm_widgets));
1684 snd_soc_dapm_add_routes(&codec->dapm, wm8995_intercon,
1685 ARRAY_SIZE(wm8995_intercon));
1686
1687 return 0;
1688
1689 err_reg_enable:
1690 regulator_bulk_disable(ARRAY_SIZE(wm8995->supplies), wm8995->supplies);
1691 err_reg_get:
1692 regulator_bulk_free(ARRAY_SIZE(wm8995->supplies), wm8995->supplies);
1693 return ret;
1694 }
1695
1696 #define WM8995_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1697 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1698
1699 static struct snd_soc_dai_ops wm8995_aif1_dai_ops = {
1700 .set_sysclk = wm8995_set_dai_sysclk,
1701 .set_fmt = wm8995_set_dai_fmt,
1702 .hw_params = wm8995_hw_params,
1703 .digital_mute = wm8995_aif_mute,
1704 .set_pll = wm8995_set_fll,
1705 .set_tristate = wm8995_set_tristate,
1706 };
1707
1708 static struct snd_soc_dai_ops wm8995_aif2_dai_ops = {
1709 .set_sysclk = wm8995_set_dai_sysclk,
1710 .set_fmt = wm8995_set_dai_fmt,
1711 .hw_params = wm8995_hw_params,
1712 .digital_mute = wm8995_aif_mute,
1713 .set_pll = wm8995_set_fll,
1714 .set_tristate = wm8995_set_tristate,
1715 };
1716
1717 static struct snd_soc_dai_ops wm8995_aif3_dai_ops = {
1718 .set_tristate = wm8995_set_tristate,
1719 };
1720
1721 static struct snd_soc_dai_driver wm8995_dai[] = {
1722 {
1723 .name = "wm8995-aif1",
1724 .playback = {
1725 .stream_name = "AIF1 Playback",
1726 .channels_min = 2,
1727 .channels_max = 2,
1728 .rates = SNDRV_PCM_RATE_8000_96000,
1729 .formats = WM8995_FORMATS
1730 },
1731 .capture = {
1732 .stream_name = "AIF1 Capture",
1733 .channels_min = 2,
1734 .channels_max = 2,
1735 .rates = SNDRV_PCM_RATE_8000_48000,
1736 .formats = WM8995_FORMATS
1737 },
1738 .ops = &wm8995_aif1_dai_ops
1739 },
1740 {
1741 .name = "wm8995-aif2",
1742 .playback = {
1743 .stream_name = "AIF2 Playback",
1744 .channels_min = 2,
1745 .channels_max = 2,
1746 .rates = SNDRV_PCM_RATE_8000_96000,
1747 .formats = WM8995_FORMATS
1748 },
1749 .capture = {
1750 .stream_name = "AIF2 Capture",
1751 .channels_min = 2,
1752 .channels_max = 2,
1753 .rates = SNDRV_PCM_RATE_8000_48000,
1754 .formats = WM8995_FORMATS
1755 },
1756 .ops = &wm8995_aif2_dai_ops
1757 },
1758 {
1759 .name = "wm8995-aif3",
1760 .playback = {
1761 .stream_name = "AIF3 Playback",
1762 .channels_min = 2,
1763 .channels_max = 2,
1764 .rates = SNDRV_PCM_RATE_8000_96000,
1765 .formats = WM8995_FORMATS
1766 },
1767 .capture = {
1768 .stream_name = "AIF3 Capture",
1769 .channels_min = 2,
1770 .channels_max = 2,
1771 .rates = SNDRV_PCM_RATE_8000_48000,
1772 .formats = WM8995_FORMATS
1773 },
1774 .ops = &wm8995_aif3_dai_ops
1775 }
1776 };
1777
1778 static struct snd_soc_codec_driver soc_codec_dev_wm8995 = {
1779 .probe = wm8995_probe,
1780 .remove = wm8995_remove,
1781 .suspend = wm8995_suspend,
1782 .resume = wm8995_resume,
1783 .set_bias_level = wm8995_set_bias_level,
1784 .reg_cache_size = ARRAY_SIZE(wm8995_reg_defs),
1785 .reg_word_size = sizeof(u16),
1786 .reg_cache_default = wm8995_reg_defs,
1787 .volatile_register = wm8995_volatile,
1788 .compress_type = SND_SOC_RBTREE_COMPRESSION
1789 };
1790
1791 #if defined(CONFIG_SPI_MASTER)
1792 static int __devinit wm8995_spi_probe(struct spi_device *spi)
1793 {
1794 struct wm8995_priv *wm8995;
1795 int ret;
1796
1797 wm8995 = kzalloc(sizeof *wm8995, GFP_KERNEL);
1798 if (!wm8995)
1799 return -ENOMEM;
1800
1801 wm8995->control_type = SND_SOC_SPI;
1802 spi_set_drvdata(spi, wm8995);
1803
1804 ret = snd_soc_register_codec(&spi->dev,
1805 &soc_codec_dev_wm8995, wm8995_dai,
1806 ARRAY_SIZE(wm8995_dai));
1807 if (ret < 0)
1808 kfree(wm8995);
1809 return ret;
1810 }
1811
1812 static int __devexit wm8995_spi_remove(struct spi_device *spi)
1813 {
1814 snd_soc_unregister_codec(&spi->dev);
1815 kfree(spi_get_drvdata(spi));
1816 return 0;
1817 }
1818
1819 static struct spi_driver wm8995_spi_driver = {
1820 .driver = {
1821 .name = "wm8995",
1822 .owner = THIS_MODULE,
1823 },
1824 .probe = wm8995_spi_probe,
1825 .remove = __devexit_p(wm8995_spi_remove)
1826 };
1827 #endif
1828
1829 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1830 static __devinit int wm8995_i2c_probe(struct i2c_client *i2c,
1831 const struct i2c_device_id *id)
1832 {
1833 struct wm8995_priv *wm8995;
1834 int ret;
1835
1836 wm8995 = kzalloc(sizeof *wm8995, GFP_KERNEL);
1837 if (!wm8995)
1838 return -ENOMEM;
1839
1840 wm8995->control_type = SND_SOC_I2C;
1841 i2c_set_clientdata(i2c, wm8995);
1842
1843 ret = snd_soc_register_codec(&i2c->dev,
1844 &soc_codec_dev_wm8995, wm8995_dai,
1845 ARRAY_SIZE(wm8995_dai));
1846 if (ret < 0)
1847 kfree(wm8995);
1848 return ret;
1849 }
1850
1851 static __devexit int wm8995_i2c_remove(struct i2c_client *client)
1852 {
1853 snd_soc_unregister_codec(&client->dev);
1854 kfree(i2c_get_clientdata(client));
1855 return 0;
1856 }
1857
1858 static const struct i2c_device_id wm8995_i2c_id[] = {
1859 {"wm8995", 0},
1860 {}
1861 };
1862
1863 MODULE_DEVICE_TABLE(i2c, wm8995_i2c_id);
1864
1865 static struct i2c_driver wm8995_i2c_driver = {
1866 .driver = {
1867 .name = "wm8995",
1868 .owner = THIS_MODULE,
1869 },
1870 .probe = wm8995_i2c_probe,
1871 .remove = __devexit_p(wm8995_i2c_remove),
1872 .id_table = wm8995_i2c_id
1873 };
1874 #endif
1875
1876 static int __init wm8995_modinit(void)
1877 {
1878 int ret = 0;
1879
1880 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1881 ret = i2c_add_driver(&wm8995_i2c_driver);
1882 if (ret) {
1883 printk(KERN_ERR "Failed to register wm8995 I2C driver: %d\n",
1884 ret);
1885 }
1886 #endif
1887 #if defined(CONFIG_SPI_MASTER)
1888 ret = spi_register_driver(&wm8995_spi_driver);
1889 if (ret) {
1890 printk(KERN_ERR "Failed to register wm8995 SPI driver: %d\n",
1891 ret);
1892 }
1893 #endif
1894 return ret;
1895 }
1896
1897 module_init(wm8995_modinit);
1898
1899 static void __exit wm8995_exit(void)
1900 {
1901 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1902 i2c_del_driver(&wm8995_i2c_driver);
1903 #endif
1904 #if defined(CONFIG_SPI_MASTER)
1905 spi_unregister_driver(&wm8995_spi_driver);
1906 #endif
1907 }
1908
1909 module_exit(wm8995_exit);
1910
1911 MODULE_DESCRIPTION("ASoC WM8995 driver");
1912 MODULE_AUTHOR("Dimitris Papastamos <dp@opensource.wolfsonmicro.com>");
1913 MODULE_LICENSE("GPL");
Linux kernel - Deliverables
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