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-rw-r--r--sound/soc/codecs/wm8995.c1911
1 files changed, 1911 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8995.c b/sound/soc/codecs/wm8995.c
new file mode 100644
index 000000000000..5ad873fda814
--- /dev/null
+++ b/sound/soc/codecs/wm8995.c
@@ -0,0 +1,1911 @@
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
35static 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
46static 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
130struct fll_config {
131 int src;
132 int in;
133 int out;
134};
135
136struct 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) \
153static 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
164WM8995_REGULATOR_EVENT(0)
165WM8995_REGULATOR_EVENT(1)
166WM8995_REGULATOR_EVENT(2)
167WM8995_REGULATOR_EVENT(3)
168WM8995_REGULATOR_EVENT(4)
169WM8995_REGULATOR_EVENT(5)
170WM8995_REGULATOR_EVENT(6)
171WM8995_REGULATOR_EVENT(7)
172
173static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
174static const DECLARE_TLV_DB_SCALE(in1lr_pga_tlv, -1650, 150, 0);
175static const DECLARE_TLV_DB_SCALE(in1l_boost_tlv, 0, 600, 0);
176static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0);
177
178static const char *in1l_text[] = {
179 "Differential", "Single-ended IN1LN", "Single-ended IN1LP"
180};
181
182static const SOC_ENUM_SINGLE_DECL(in1l_enum, WM8995_LEFT_LINE_INPUT_CONTROL,
183 2, in1l_text);
184
185static const char *in1r_text[] = {
186 "Differential", "Single-ended IN1RN", "Single-ended IN1RP"
187};
188
189static const SOC_ENUM_SINGLE_DECL(in1r_enum, WM8995_LEFT_LINE_INPUT_CONTROL,
190 0, in1r_text);
191
192static const char *dmic_src_text[] = {
193 "DMICDAT1", "DMICDAT2", "DMICDAT3"
194};
195
196static const SOC_ENUM_SINGLE_DECL(dmic_src1_enum, WM8995_POWER_MANAGEMENT_5,
197 8, dmic_src_text);
198static const SOC_ENUM_SINGLE_DECL(dmic_src2_enum, WM8995_POWER_MANAGEMENT_5,
199 6, dmic_src_text);
200
201static 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
244static 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
290static 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
305static 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
319static 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
353static 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
372static 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
435static 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
485static int configure_clock(struct snd_soc_codec *codec)
486{
487 struct wm8995_priv *wm8995;
488 int old, 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 old = snd_soc_read(codec, WM8995_CLOCKING_1) & WM8995_SYSCLK_SRC;
513
514 /* If there's no change then we're done. */
515 if (old == new)
516 return 0;
517
518 snd_soc_update_bits(codec, WM8995_CLOCKING_1,
519 WM8995_SYSCLK_SRC_MASK, new);
520
521 snd_soc_dapm_sync(&codec->dapm);
522
523 return 0;
524}
525
526static int clk_sys_event(struct snd_soc_dapm_widget *w,
527 struct snd_kcontrol *kcontrol, int event)
528{
529 struct snd_soc_codec *codec;
530
531 codec = w->codec;
532
533 switch (event) {
534 case SND_SOC_DAPM_PRE_PMU:
535 return configure_clock(codec);
536
537 case SND_SOC_DAPM_POST_PMD:
538 configure_clock(codec);
539 break;
540 }
541
542 return 0;
543}
544
545static const char *sidetone_text[] = {
546 "ADC/DMIC1", "DMIC2",
547};
548
549static const struct soc_enum sidetone1_enum =
550 SOC_ENUM_SINGLE(WM8995_SIDETONE, 0, 2, sidetone_text);
551
552static const struct snd_kcontrol_new sidetone1_mux =
553 SOC_DAPM_ENUM("Left Sidetone Mux", sidetone1_enum);
554
555static const struct soc_enum sidetone2_enum =
556 SOC_ENUM_SINGLE(WM8995_SIDETONE, 1, 2, sidetone_text);
557
558static const struct snd_kcontrol_new sidetone2_mux =
559 SOC_DAPM_ENUM("Right Sidetone Mux", sidetone2_enum);
560
561static const struct snd_kcontrol_new aif1adc1l_mix[] = {
562 SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8995_AIF1_ADC1_LEFT_MIXER_ROUTING,
563 1, 1, 0),
564 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC1_LEFT_MIXER_ROUTING,
565 0, 1, 0),
566};
567
568static const struct snd_kcontrol_new aif1adc1r_mix[] = {
569 SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8995_AIF1_ADC1_RIGHT_MIXER_ROUTING,
570 1, 1, 0),
571 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC1_RIGHT_MIXER_ROUTING,
572 0, 1, 0),
573};
574
575static const struct snd_kcontrol_new aif1adc2l_mix[] = {
576 SOC_DAPM_SINGLE("DMIC Switch", WM8995_AIF1_ADC2_LEFT_MIXER_ROUTING,
577 1, 1, 0),
578 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC2_LEFT_MIXER_ROUTING,
579 0, 1, 0),
580};
581
582static const struct snd_kcontrol_new aif1adc2r_mix[] = {
583 SOC_DAPM_SINGLE("DMIC Switch", WM8995_AIF1_ADC2_RIGHT_MIXER_ROUTING,
584 1, 1, 0),
585 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC2_RIGHT_MIXER_ROUTING,
586 0, 1, 0),
587};
588
589static const struct snd_kcontrol_new dac1l_mix[] = {
590 WM8995_CLASS_W_SWITCH("Right Sidetone Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
591 5, 1, 0),
592 WM8995_CLASS_W_SWITCH("Left Sidetone Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
593 4, 1, 0),
594 WM8995_CLASS_W_SWITCH("AIF2 Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
595 2, 1, 0),
596 WM8995_CLASS_W_SWITCH("AIF1.2 Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
597 1, 1, 0),
598 WM8995_CLASS_W_SWITCH("AIF1.1 Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
599 0, 1, 0),
600};
601
602static const struct snd_kcontrol_new dac1r_mix[] = {
603 WM8995_CLASS_W_SWITCH("Right Sidetone Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
604 5, 1, 0),
605 WM8995_CLASS_W_SWITCH("Left Sidetone Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
606 4, 1, 0),
607 WM8995_CLASS_W_SWITCH("AIF2 Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
608 2, 1, 0),
609 WM8995_CLASS_W_SWITCH("AIF1.2 Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
610 1, 1, 0),
611 WM8995_CLASS_W_SWITCH("AIF1.1 Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
612 0, 1, 0),
613};
614
615static const struct snd_kcontrol_new aif2dac2l_mix[] = {
616 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
617 5, 1, 0),
618 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
619 4, 1, 0),
620 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
621 2, 1, 0),
622 SOC_DAPM_SINGLE("AIF1.2 Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
623 1, 1, 0),
624 SOC_DAPM_SINGLE("AIF1.1 Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
625 0, 1, 0),
626};
627
628static const struct snd_kcontrol_new aif2dac2r_mix[] = {
629 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
630 5, 1, 0),
631 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
632 4, 1, 0),
633 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
634 2, 1, 0),
635 SOC_DAPM_SINGLE("AIF1.2 Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
636 1, 1, 0),
637 SOC_DAPM_SINGLE("AIF1.1 Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
638 0, 1, 0),
639};
640
641static const struct snd_kcontrol_new in1l_pga =
642 SOC_DAPM_SINGLE("IN1L Switch", WM8995_POWER_MANAGEMENT_2, 5, 1, 0);
643
644static const struct snd_kcontrol_new in1r_pga =
645 SOC_DAPM_SINGLE("IN1R Switch", WM8995_POWER_MANAGEMENT_2, 4, 1, 0);
646
647static const char *adc_mux_text[] = {
648 "ADC",
649 "DMIC",
650};
651
652static const struct soc_enum adc_enum =
653 SOC_ENUM_SINGLE(0, 0, 2, adc_mux_text);
654
655static const struct snd_kcontrol_new adcl_mux =
656 SOC_DAPM_ENUM_VIRT("ADCL Mux", adc_enum);
657
658static const struct snd_kcontrol_new adcr_mux =
659 SOC_DAPM_ENUM_VIRT("ADCR Mux", adc_enum);
660
661static const char *spk_src_text[] = {
662 "DAC1L", "DAC1R", "DAC2L", "DAC2R"
663};
664
665static const SOC_ENUM_SINGLE_DECL(spk1l_src_enum, WM8995_LEFT_PDM_SPEAKER_1,
666 0, spk_src_text);
667static const SOC_ENUM_SINGLE_DECL(spk1r_src_enum, WM8995_RIGHT_PDM_SPEAKER_1,
668 0, spk_src_text);
669static const SOC_ENUM_SINGLE_DECL(spk2l_src_enum, WM8995_LEFT_PDM_SPEAKER_2,
670 0, spk_src_text);
671static const SOC_ENUM_SINGLE_DECL(spk2r_src_enum, WM8995_RIGHT_PDM_SPEAKER_2,
672 0, spk_src_text);
673
674static const struct snd_kcontrol_new spk1l_mux =
675 SOC_DAPM_ENUM("SPK1L SRC", spk1l_src_enum);
676static const struct snd_kcontrol_new spk1r_mux =
677 SOC_DAPM_ENUM("SPK1R SRC", spk1r_src_enum);
678static const struct snd_kcontrol_new spk2l_mux =
679 SOC_DAPM_ENUM("SPK2L SRC", spk2l_src_enum);
680static const struct snd_kcontrol_new spk2r_mux =
681 SOC_DAPM_ENUM("SPK2R SRC", spk2r_src_enum);
682
683static const struct snd_soc_dapm_widget wm8995_dapm_widgets[] = {
684 SND_SOC_DAPM_INPUT("DMIC1DAT"),
685 SND_SOC_DAPM_INPUT("DMIC2DAT"),
686
687 SND_SOC_DAPM_INPUT("IN1L"),
688 SND_SOC_DAPM_INPUT("IN1R"),
689
690 SND_SOC_DAPM_MIXER("IN1L PGA", SND_SOC_NOPM, 0, 0,
691 &in1l_pga, 1),
692 SND_SOC_DAPM_MIXER("IN1R PGA", SND_SOC_NOPM, 0, 0,
693 &in1r_pga, 1),
694
695 SND_SOC_DAPM_MICBIAS("MICBIAS1", WM8995_POWER_MANAGEMENT_1, 8, 0),
696 SND_SOC_DAPM_MICBIAS("MICBIAS2", WM8995_POWER_MANAGEMENT_1, 9, 0),
697
698 SND_SOC_DAPM_SUPPLY("AIF1CLK", WM8995_AIF1_CLOCKING_1, 0, 0, NULL, 0),
699 SND_SOC_DAPM_SUPPLY("AIF2CLK", WM8995_AIF2_CLOCKING_1, 0, 0, NULL, 0),
700 SND_SOC_DAPM_SUPPLY("DSP1CLK", WM8995_CLOCKING_1, 3, 0, NULL, 0),
701 SND_SOC_DAPM_SUPPLY("DSP2CLK", WM8995_CLOCKING_1, 2, 0, NULL, 0),
702 SND_SOC_DAPM_SUPPLY("SYSDSPCLK", WM8995_CLOCKING_1, 1, 0, NULL, 0),
703 SND_SOC_DAPM_SUPPLY("CLK_SYS", SND_SOC_NOPM, 0, 0, clk_sys_event,
704 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
705
706 SND_SOC_DAPM_AIF_OUT("AIF1ADC1L", "AIF1 Capture", 0,
707 WM8995_POWER_MANAGEMENT_3, 9, 0),
708 SND_SOC_DAPM_AIF_OUT("AIF1ADC1R", "AIF1 Capture", 0,
709 WM8995_POWER_MANAGEMENT_3, 8, 0),
710 SND_SOC_DAPM_AIF_OUT("AIF1ADCDAT", "AIF1 Capture", 0,
711 SND_SOC_NOPM, 0, 0),
712 SND_SOC_DAPM_AIF_OUT("AIF1ADC2L", "AIF1 Capture",
713 0, WM8995_POWER_MANAGEMENT_3, 11, 0),
714 SND_SOC_DAPM_AIF_OUT("AIF1ADC2R", "AIF1 Capture",
715 0, WM8995_POWER_MANAGEMENT_3, 10, 0),
716
717 SND_SOC_DAPM_VIRT_MUX("ADCL Mux", SND_SOC_NOPM, 1, 0,
718 &adcl_mux),
719 SND_SOC_DAPM_VIRT_MUX("ADCR Mux", SND_SOC_NOPM, 0, 0,
720 &adcr_mux),
721
722 SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8995_POWER_MANAGEMENT_3, 5, 0),
723 SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8995_POWER_MANAGEMENT_3, 4, 0),
724 SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8995_POWER_MANAGEMENT_3, 3, 0),
725 SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8995_POWER_MANAGEMENT_3, 2, 0),
726
727 SND_SOC_DAPM_ADC("ADCL", NULL, WM8995_POWER_MANAGEMENT_3, 1, 0),
728 SND_SOC_DAPM_ADC("ADCR", NULL, WM8995_POWER_MANAGEMENT_3, 0, 0),
729
730 SND_SOC_DAPM_MIXER("AIF1ADC1L Mixer", SND_SOC_NOPM, 0, 0,
731 aif1adc1l_mix, ARRAY_SIZE(aif1adc1l_mix)),
732 SND_SOC_DAPM_MIXER("AIF1ADC1R Mixer", SND_SOC_NOPM, 0, 0,
733 aif1adc1r_mix, ARRAY_SIZE(aif1adc1r_mix)),
734 SND_SOC_DAPM_MIXER("AIF1ADC2L Mixer", SND_SOC_NOPM, 0, 0,
735 aif1adc2l_mix, ARRAY_SIZE(aif1adc2l_mix)),
736 SND_SOC_DAPM_MIXER("AIF1ADC2R Mixer", SND_SOC_NOPM, 0, 0,
737 aif1adc2r_mix, ARRAY_SIZE(aif1adc2r_mix)),
738
739 SND_SOC_DAPM_AIF_IN("AIF1DAC1L", NULL, 0, WM8995_POWER_MANAGEMENT_4,
740 9, 0),
741 SND_SOC_DAPM_AIF_IN("AIF1DAC1R", NULL, 0, WM8995_POWER_MANAGEMENT_4,
742 8, 0),
743 SND_SOC_DAPM_AIF_IN("AIF1DACDAT", "AIF1 Playback", 0, SND_SOC_NOPM,
744 0, 0),
745
746 SND_SOC_DAPM_AIF_IN("AIF1DAC2L", NULL, 0, WM8995_POWER_MANAGEMENT_4,
747 11, 0),
748 SND_SOC_DAPM_AIF_IN("AIF1DAC2R", NULL, 0, WM8995_POWER_MANAGEMENT_4,
749 10, 0),
750
751 SND_SOC_DAPM_MIXER("AIF2DAC2L Mixer", SND_SOC_NOPM, 0, 0,
752 aif2dac2l_mix, ARRAY_SIZE(aif2dac2l_mix)),
753 SND_SOC_DAPM_MIXER("AIF2DAC2R Mixer", SND_SOC_NOPM, 0, 0,
754 aif2dac2r_mix, ARRAY_SIZE(aif2dac2r_mix)),
755
756 SND_SOC_DAPM_DAC("DAC2L", NULL, WM8995_POWER_MANAGEMENT_4, 3, 0),
757 SND_SOC_DAPM_DAC("DAC2R", NULL, WM8995_POWER_MANAGEMENT_4, 2, 0),
758 SND_SOC_DAPM_DAC("DAC1L", NULL, WM8995_POWER_MANAGEMENT_4, 1, 0),
759 SND_SOC_DAPM_DAC("DAC1R", NULL, WM8995_POWER_MANAGEMENT_4, 0, 0),
760
761 SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0, dac1l_mix,
762 ARRAY_SIZE(dac1l_mix)),
763 SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0, dac1r_mix,
764 ARRAY_SIZE(dac1r_mix)),
765
766 SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &sidetone1_mux),
767 SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &sidetone2_mux),
768
769 SND_SOC_DAPM_PGA_E("Headphone PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
770 hp_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
771
772 SND_SOC_DAPM_SUPPLY("Headphone Supply", SND_SOC_NOPM, 0, 0,
773 hp_supply_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
774
775 SND_SOC_DAPM_MUX("SPK1L Driver", WM8995_LEFT_PDM_SPEAKER_1,
776 4, 0, &spk1l_mux),
777 SND_SOC_DAPM_MUX("SPK1R Driver", WM8995_RIGHT_PDM_SPEAKER_1,
778 4, 0, &spk1r_mux),
779 SND_SOC_DAPM_MUX("SPK2L Driver", WM8995_LEFT_PDM_SPEAKER_2,
780 4, 0, &spk2l_mux),
781 SND_SOC_DAPM_MUX("SPK2R Driver", WM8995_RIGHT_PDM_SPEAKER_2,
782 4, 0, &spk2r_mux),
783
784 SND_SOC_DAPM_SUPPLY("LDO2", WM8995_POWER_MANAGEMENT_2, 1, 0, NULL, 0),
785
786 SND_SOC_DAPM_OUTPUT("HP1L"),
787 SND_SOC_DAPM_OUTPUT("HP1R"),
788 SND_SOC_DAPM_OUTPUT("SPK1L"),
789 SND_SOC_DAPM_OUTPUT("SPK1R"),
790 SND_SOC_DAPM_OUTPUT("SPK2L"),
791 SND_SOC_DAPM_OUTPUT("SPK2R")
792};
793
794static const struct snd_soc_dapm_route wm8995_intercon[] = {
795 { "CLK_SYS", NULL, "AIF1CLK", check_clk_sys },
796 { "CLK_SYS", NULL, "AIF2CLK", check_clk_sys },
797
798 { "DSP1CLK", NULL, "CLK_SYS" },
799 { "DSP2CLK", NULL, "CLK_SYS" },
800 { "SYSDSPCLK", NULL, "CLK_SYS" },
801
802 { "AIF1ADC1L", NULL, "AIF1CLK" },
803 { "AIF1ADC1L", NULL, "DSP1CLK" },
804 { "AIF1ADC1R", NULL, "AIF1CLK" },
805 { "AIF1ADC1R", NULL, "DSP1CLK" },
806 { "AIF1ADC1R", NULL, "SYSDSPCLK" },
807
808 { "AIF1ADC2L", NULL, "AIF1CLK" },
809 { "AIF1ADC2L", NULL, "DSP1CLK" },
810 { "AIF1ADC2R", NULL, "AIF1CLK" },
811 { "AIF1ADC2R", NULL, "DSP1CLK" },
812 { "AIF1ADC2R", NULL, "SYSDSPCLK" },
813
814 { "DMIC1L", NULL, "DMIC1DAT" },
815 { "DMIC1L", NULL, "CLK_SYS" },
816 { "DMIC1R", NULL, "DMIC1DAT" },
817 { "DMIC1R", NULL, "CLK_SYS" },
818 { "DMIC2L", NULL, "DMIC2DAT" },
819 { "DMIC2L", NULL, "CLK_SYS" },
820 { "DMIC2R", NULL, "DMIC2DAT" },
821 { "DMIC2R", NULL, "CLK_SYS" },
822
823 { "ADCL", NULL, "AIF1CLK" },
824 { "ADCL", NULL, "DSP1CLK" },
825 { "ADCL", NULL, "SYSDSPCLK" },
826
827 { "ADCR", NULL, "AIF1CLK" },
828 { "ADCR", NULL, "DSP1CLK" },
829 { "ADCR", NULL, "SYSDSPCLK" },
830
831 { "IN1L PGA", "IN1L Switch", "IN1L" },
832 { "IN1R PGA", "IN1R Switch", "IN1R" },
833 { "IN1L PGA", NULL, "LDO2" },
834 { "IN1R PGA", NULL, "LDO2" },
835
836 { "ADCL", NULL, "IN1L PGA" },
837 { "ADCR", NULL, "IN1R PGA" },
838
839 { "ADCL Mux", "ADC", "ADCL" },
840 { "ADCL Mux", "DMIC", "DMIC1L" },
841 { "ADCR Mux", "ADC", "ADCR" },
842 { "ADCR Mux", "DMIC", "DMIC1R" },
843
844 /* AIF1 outputs */
845 { "AIF1ADC1L", NULL, "AIF1ADC1L Mixer" },
846 { "AIF1ADC1L Mixer", "ADC/DMIC Switch", "ADCL Mux" },
847
848 { "AIF1ADC1R", NULL, "AIF1ADC1R Mixer" },
849 { "AIF1ADC1R Mixer", "ADC/DMIC Switch", "ADCR Mux" },
850
851 { "AIF1ADC2L", NULL, "AIF1ADC2L Mixer" },
852 { "AIF1ADC2L Mixer", "DMIC Switch", "DMIC2L" },
853
854 { "AIF1ADC2R", NULL, "AIF1ADC2R Mixer" },
855 { "AIF1ADC2R Mixer", "DMIC Switch", "DMIC2R" },
856
857 /* Sidetone */
858 { "Left Sidetone", "ADC/DMIC1", "AIF1ADC1L" },
859 { "Left Sidetone", "DMIC2", "AIF1ADC2L" },
860 { "Right Sidetone", "ADC/DMIC1", "AIF1ADC1R" },
861 { "Right Sidetone", "DMIC2", "AIF1ADC2R" },
862
863 { "AIF1DAC1L", NULL, "AIF1CLK" },
864 { "AIF1DAC1L", NULL, "DSP1CLK" },
865 { "AIF1DAC1R", NULL, "AIF1CLK" },
866 { "AIF1DAC1R", NULL, "DSP1CLK" },
867 { "AIF1DAC1R", NULL, "SYSDSPCLK" },
868
869 { "AIF1DAC2L", NULL, "AIF1CLK" },
870 { "AIF1DAC2L", NULL, "DSP1CLK" },
871 { "AIF1DAC2R", NULL, "AIF1CLK" },
872 { "AIF1DAC2R", NULL, "DSP1CLK" },
873 { "AIF1DAC2R", NULL, "SYSDSPCLK" },
874
875 { "DAC1L", NULL, "AIF1CLK" },
876 { "DAC1L", NULL, "DSP1CLK" },
877 { "DAC1L", NULL, "SYSDSPCLK" },
878
879 { "DAC1R", NULL, "AIF1CLK" },
880 { "DAC1R", NULL, "DSP1CLK" },
881 { "DAC1R", NULL, "SYSDSPCLK" },
882
883 { "AIF1DAC1L", NULL, "AIF1DACDAT" },
884 { "AIF1DAC1R", NULL, "AIF1DACDAT" },
885 { "AIF1DAC2L", NULL, "AIF1DACDAT" },
886 { "AIF1DAC2R", NULL, "AIF1DACDAT" },
887
888 /* DAC1 inputs */
889 { "DAC1L", NULL, "DAC1L Mixer" },
890 { "DAC1L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
891 { "DAC1L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
892 { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
893 { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
894
895 { "DAC1R", NULL, "DAC1R Mixer" },
896 { "DAC1R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
897 { "DAC1R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
898 { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
899 { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
900
901 /* DAC2/AIF2 outputs */
902 { "DAC2L", NULL, "AIF2DAC2L Mixer" },
903 { "AIF2DAC2L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
904 { "AIF2DAC2L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
905
906 { "DAC2R", NULL, "AIF2DAC2R Mixer" },
907 { "AIF2DAC2R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
908 { "AIF2DAC2R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
909
910 /* Output stages */
911 { "Headphone PGA", NULL, "DAC1L" },
912 { "Headphone PGA", NULL, "DAC1R" },
913
914 { "Headphone PGA", NULL, "DAC2L" },
915 { "Headphone PGA", NULL, "DAC2R" },
916
917 { "Headphone PGA", NULL, "Headphone Supply" },
918 { "Headphone PGA", NULL, "CLK_SYS" },
919 { "Headphone PGA", NULL, "LDO2" },
920
921 { "HP1L", NULL, "Headphone PGA" },
922 { "HP1R", NULL, "Headphone PGA" },
923
924 { "SPK1L Driver", "DAC1L", "DAC1L" },
925 { "SPK1L Driver", "DAC1R", "DAC1R" },
926 { "SPK1L Driver", "DAC2L", "DAC2L" },
927 { "SPK1L Driver", "DAC2R", "DAC2R" },
928 { "SPK1L Driver", NULL, "CLK_SYS" },
929
930 { "SPK1R Driver", "DAC1L", "DAC1L" },
931 { "SPK1R Driver", "DAC1R", "DAC1R" },
932 { "SPK1R Driver", "DAC2L", "DAC2L" },
933 { "SPK1R Driver", "DAC2R", "DAC2R" },
934 { "SPK1R Driver", NULL, "CLK_SYS" },
935
936 { "SPK2L Driver", "DAC1L", "DAC1L" },
937 { "SPK2L Driver", "DAC1R", "DAC1R" },
938 { "SPK2L Driver", "DAC2L", "DAC2L" },
939 { "SPK2L Driver", "DAC2R", "DAC2R" },
940 { "SPK2L Driver", NULL, "CLK_SYS" },
941
942 { "SPK2R Driver", "DAC1L", "DAC1L" },
943 { "SPK2R Driver", "DAC1R", "DAC1R" },
944 { "SPK2R Driver", "DAC2L", "DAC2L" },
945 { "SPK2R Driver", "DAC2R", "DAC2R" },
946 { "SPK2R Driver", NULL, "CLK_SYS" },
947
948 { "SPK1L", NULL, "SPK1L Driver" },
949 { "SPK1R", NULL, "SPK1R Driver" },
950 { "SPK2L", NULL, "SPK2L Driver" },
951 { "SPK2R", NULL, "SPK2R Driver" }
952};
953
954static int wm8995_volatile(struct snd_soc_codec *codec, unsigned int reg)
955{
956 /* out of bounds registers are generally considered
957 * volatile to support register banks that are partially
958 * owned by something else for e.g. a DSP
959 */
960 if (reg > WM8995_MAX_CACHED_REGISTER)
961 return 1;
962
963 switch (reg) {
964 case WM8995_SOFTWARE_RESET:
965 case WM8995_DC_SERVO_READBACK_0:
966 case WM8995_INTERRUPT_STATUS_1:
967 case WM8995_INTERRUPT_STATUS_2:
968 case WM8995_INTERRUPT_STATUS_1_MASK:
969 case WM8995_INTERRUPT_STATUS_2_MASK:
970 case WM8995_INTERRUPT_CONTROL:
971 case WM8995_ACCESSORY_DETECT_MODE1:
972 case WM8995_ACCESSORY_DETECT_MODE2:
973 case WM8995_HEADPHONE_DETECT1:
974 case WM8995_HEADPHONE_DETECT2:
975 return 1;
976 }
977
978 return 0;
979}
980
981static int wm8995_aif_mute(struct snd_soc_dai *dai, int mute)
982{
983 struct snd_soc_codec *codec = dai->codec;
984 int mute_reg;
985
986 switch (dai->id) {
987 case 0:
988 mute_reg = WM8995_AIF1_DAC1_FILTERS_1;
989 break;
990 case 1:
991 mute_reg = WM8995_AIF2_DAC_FILTERS_1;
992 break;
993 default:
994 return -EINVAL;
995 }
996
997 snd_soc_update_bits(codec, mute_reg, WM8995_AIF1DAC1_MUTE_MASK,
998 !!mute << WM8995_AIF1DAC1_MUTE_SHIFT);
999 return 0;
1000}
1001
1002static int wm8995_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
1003{
1004 struct snd_soc_codec *codec;
1005 int master;
1006 int aif;
1007
1008 codec = dai->codec;
1009
1010 master = 0;
1011 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1012 case SND_SOC_DAIFMT_CBS_CFS:
1013 break;
1014 case SND_SOC_DAIFMT_CBM_CFM:
1015 master = WM8995_AIF1_MSTR;
1016 break;
1017 default:
1018 dev_err(dai->dev, "Unknown master/slave configuration\n");
1019 return -EINVAL;
1020 }
1021
1022 aif = 0;
1023 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1024 case SND_SOC_DAIFMT_DSP_B:
1025 aif |= WM8995_AIF1_LRCLK_INV;
1026 case SND_SOC_DAIFMT_DSP_A:
1027 aif |= (0x3 << WM8995_AIF1_FMT_SHIFT);
1028 break;
1029 case SND_SOC_DAIFMT_I2S:
1030 aif |= (0x2 << WM8995_AIF1_FMT_SHIFT);
1031 break;
1032 case SND_SOC_DAIFMT_RIGHT_J:
1033 break;
1034 case SND_SOC_DAIFMT_LEFT_J:
1035 aif |= (0x1 << WM8995_AIF1_FMT_SHIFT);
1036 break;
1037 default:
1038 dev_err(dai->dev, "Unknown dai format\n");
1039 return -EINVAL;
1040 }
1041
1042 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1043 case SND_SOC_DAIFMT_DSP_A:
1044 case SND_SOC_DAIFMT_DSP_B:
1045 /* frame inversion not valid for DSP modes */
1046 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1047 case SND_SOC_DAIFMT_NB_NF:
1048 break;
1049 case SND_SOC_DAIFMT_IB_NF:
1050 aif |= WM8995_AIF1_BCLK_INV;
1051 break;
1052 default:
1053 return -EINVAL;
1054 }
1055 break;
1056
1057 case SND_SOC_DAIFMT_I2S:
1058 case SND_SOC_DAIFMT_RIGHT_J:
1059 case SND_SOC_DAIFMT_LEFT_J:
1060 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1061 case SND_SOC_DAIFMT_NB_NF:
1062 break;
1063 case SND_SOC_DAIFMT_IB_IF:
1064 aif |= WM8995_AIF1_BCLK_INV | WM8995_AIF1_LRCLK_INV;
1065 break;
1066 case SND_SOC_DAIFMT_IB_NF:
1067 aif |= WM8995_AIF1_BCLK_INV;
1068 break;
1069 case SND_SOC_DAIFMT_NB_IF:
1070 aif |= WM8995_AIF1_LRCLK_INV;
1071 break;
1072 default:
1073 return -EINVAL;
1074 }
1075 break;
1076 default:
1077 return -EINVAL;
1078 }
1079
1080 snd_soc_update_bits(codec, WM8995_AIF1_CONTROL_1,
1081 WM8995_AIF1_BCLK_INV_MASK |
1082 WM8995_AIF1_LRCLK_INV_MASK |
1083 WM8995_AIF1_FMT_MASK, aif);
1084 snd_soc_update_bits(codec, WM8995_AIF1_MASTER_SLAVE,
1085 WM8995_AIF1_MSTR_MASK, master);
1086 return 0;
1087}
1088
1089static const int srs[] = {
1090 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100,
1091 48000, 88200, 96000
1092};
1093
1094static const int fs_ratios[] = {
1095 -1 /* reserved */,
1096 128, 192, 256, 384, 512, 768, 1024, 1408, 1536
1097};
1098
1099static const int bclk_divs[] = {
1100 10, 15, 20, 30, 40, 55, 60, 80, 110, 120, 160, 220, 240, 320, 440, 480
1101};
1102
1103static int wm8995_hw_params(struct snd_pcm_substream *substream,
1104 struct snd_pcm_hw_params *params,
1105 struct snd_soc_dai *dai)
1106{
1107 struct snd_soc_codec *codec;
1108 struct wm8995_priv *wm8995;
1109 int aif1_reg;
1110 int bclk_reg;
1111 int lrclk_reg;
1112 int rate_reg;
1113 int bclk_rate;
1114 int aif1;
1115 int lrclk, bclk;
1116 int i, rate_val, best, best_val, cur_val;
1117
1118 codec = dai->codec;
1119 wm8995 = snd_soc_codec_get_drvdata(codec);
1120
1121 switch (dai->id) {
1122 case 0:
1123 aif1_reg = WM8995_AIF1_CONTROL_1;
1124 bclk_reg = WM8995_AIF1_BCLK;
1125 rate_reg = WM8995_AIF1_RATE;
1126 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK /* ||
1127 wm8995->lrclk_shared[0] */) {
1128 lrclk_reg = WM8995_AIF1DAC_LRCLK;
1129 } else {
1130 lrclk_reg = WM8995_AIF1ADC_LRCLK;
1131 dev_dbg(codec->dev, "AIF1 using split LRCLK\n");
1132 }
1133 break;
1134 case 1:
1135 aif1_reg = WM8995_AIF2_CONTROL_1;
1136 bclk_reg = WM8995_AIF2_BCLK;
1137 rate_reg = WM8995_AIF2_RATE;
1138 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK /* ||
1139 wm8995->lrclk_shared[1] */) {
1140 lrclk_reg = WM8995_AIF2DAC_LRCLK;
1141 } else {
1142 lrclk_reg = WM8995_AIF2ADC_LRCLK;
1143 dev_dbg(codec->dev, "AIF2 using split LRCLK\n");
1144 }
1145 break;
1146 default:
1147 return -EINVAL;
1148 }
1149
1150 bclk_rate = snd_soc_params_to_bclk(params);
1151 if (bclk_rate < 0)
1152 return bclk_rate;
1153
1154 aif1 = 0;
1155 switch (params_format(params)) {
1156 case SNDRV_PCM_FORMAT_S16_LE:
1157 break;
1158 case SNDRV_PCM_FORMAT_S20_3LE:
1159 aif1 |= (0x1 << WM8995_AIF1_WL_SHIFT);
1160 break;
1161 case SNDRV_PCM_FORMAT_S24_LE:
1162 aif1 |= (0x2 << WM8995_AIF1_WL_SHIFT);
1163 break;
1164 case SNDRV_PCM_FORMAT_S32_LE:
1165 aif1 |= (0x3 << WM8995_AIF1_WL_SHIFT);
1166 break;
1167 default:
1168 dev_err(dai->dev, "Unsupported word length %u\n",
1169 params_format(params));
1170 return -EINVAL;
1171 }
1172
1173 /* try to find a suitable sample rate */
1174 for (i = 0; i < ARRAY_SIZE(srs); ++i)
1175 if (srs[i] == params_rate(params))
1176 break;
1177 if (i == ARRAY_SIZE(srs)) {
1178 dev_err(dai->dev, "Sample rate %d is not supported\n",
1179 params_rate(params));
1180 return -EINVAL;
1181 }
1182 rate_val = i << WM8995_AIF1_SR_SHIFT;
1183
1184 dev_dbg(dai->dev, "Sample rate is %dHz\n", srs[i]);
1185 dev_dbg(dai->dev, "AIF%dCLK is %dHz, target BCLK %dHz\n",
1186 dai->id + 1, wm8995->aifclk[dai->id], bclk_rate);
1187
1188 /* AIFCLK/fs ratio; look for a close match in either direction */
1189 best = 1;
1190 best_val = abs((fs_ratios[1] * params_rate(params))
1191 - wm8995->aifclk[dai->id]);
1192 for (i = 2; i < ARRAY_SIZE(fs_ratios); i++) {
1193 cur_val = abs((fs_ratios[i] * params_rate(params))
1194 - wm8995->aifclk[dai->id]);
1195 if (cur_val >= best_val)
1196 continue;
1197 best = i;
1198 best_val = cur_val;
1199 }
1200 rate_val |= best;
1201
1202 dev_dbg(dai->dev, "Selected AIF%dCLK/fs = %d\n",
1203 dai->id + 1, fs_ratios[best]);
1204
1205 /*
1206 * We may not get quite the right frequency if using
1207 * approximate clocks so look for the closest match that is
1208 * higher than the target (we need to ensure that there enough
1209 * BCLKs to clock out the samples).
1210 */
1211 best = 0;
1212 bclk = 0;
1213 for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
1214 cur_val = (wm8995->aifclk[dai->id] * 10 / bclk_divs[i]) - bclk_rate;
1215 if (cur_val < 0) /* BCLK table is sorted */
1216 break;
1217 best = i;
1218 }
1219 bclk |= best << WM8995_AIF1_BCLK_DIV_SHIFT;
1220
1221 bclk_rate = wm8995->aifclk[dai->id] * 10 / bclk_divs[best];
1222 dev_dbg(dai->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
1223 bclk_divs[best], bclk_rate);
1224
1225 lrclk = bclk_rate / params_rate(params);
1226 dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
1227 lrclk, bclk_rate / lrclk);
1228
1229 snd_soc_update_bits(codec, aif1_reg,
1230 WM8995_AIF1_WL_MASK, aif1);
1231 snd_soc_update_bits(codec, bclk_reg,
1232 WM8995_AIF1_BCLK_DIV_MASK, bclk);
1233 snd_soc_update_bits(codec, lrclk_reg,
1234 WM8995_AIF1DAC_RATE_MASK, lrclk);
1235 snd_soc_update_bits(codec, rate_reg,
1236 WM8995_AIF1_SR_MASK |
1237 WM8995_AIF1CLK_RATE_MASK, rate_val);
1238 return 0;
1239}
1240
1241static int wm8995_set_tristate(struct snd_soc_dai *codec_dai, int tristate)
1242{
1243 struct snd_soc_codec *codec = codec_dai->codec;
1244 int reg, val, mask;
1245
1246 switch (codec_dai->id) {
1247 case 0:
1248 reg = WM8995_AIF1_MASTER_SLAVE;
1249 mask = WM8995_AIF1_TRI;
1250 break;
1251 case 1:
1252 reg = WM8995_AIF2_MASTER_SLAVE;
1253 mask = WM8995_AIF2_TRI;
1254 break;
1255 case 2:
1256 reg = WM8995_POWER_MANAGEMENT_5;
1257 mask = WM8995_AIF3_TRI;
1258 break;
1259 default:
1260 return -EINVAL;
1261 }
1262
1263 if (tristate)
1264 val = mask;
1265 else
1266 val = 0;
1267
1268 return snd_soc_update_bits(codec, reg, mask, val);
1269}
1270
1271/* The size in bits of the FLL divide multiplied by 10
1272 * to allow rounding later */
1273#define FIXED_FLL_SIZE ((1 << 16) * 10)
1274
1275struct fll_div {
1276 u16 outdiv;
1277 u16 n;
1278 u16 k;
1279 u16 clk_ref_div;
1280 u16 fll_fratio;
1281};
1282
1283static int wm8995_get_fll_config(struct fll_div *fll,
1284 int freq_in, int freq_out)
1285{
1286 u64 Kpart;
1287 unsigned int K, Ndiv, Nmod;
1288
1289 pr_debug("FLL input=%dHz, output=%dHz\n", freq_in, freq_out);
1290
1291 /* Scale the input frequency down to <= 13.5MHz */
1292 fll->clk_ref_div = 0;
1293 while (freq_in > 13500000) {
1294 fll->clk_ref_div++;
1295 freq_in /= 2;
1296
1297 if (fll->clk_ref_div > 3)
1298 return -EINVAL;
1299 }
1300 pr_debug("CLK_REF_DIV=%d, Fref=%dHz\n", fll->clk_ref_div, freq_in);
1301
1302 /* Scale the output to give 90MHz<=Fvco<=100MHz */
1303 fll->outdiv = 3;
1304 while (freq_out * (fll->outdiv + 1) < 90000000) {
1305 fll->outdiv++;
1306 if (fll->outdiv > 63)
1307 return -EINVAL;
1308 }
1309 freq_out *= fll->outdiv + 1;
1310 pr_debug("OUTDIV=%d, Fvco=%dHz\n", fll->outdiv, freq_out);
1311
1312 if (freq_in > 1000000) {
1313 fll->fll_fratio = 0;
1314 } else if (freq_in > 256000) {
1315 fll->fll_fratio = 1;
1316 freq_in *= 2;
1317 } else if (freq_in > 128000) {
1318 fll->fll_fratio = 2;
1319 freq_in *= 4;
1320 } else if (freq_in > 64000) {
1321 fll->fll_fratio = 3;
1322 freq_in *= 8;
1323 } else {
1324 fll->fll_fratio = 4;
1325 freq_in *= 16;
1326 }
1327 pr_debug("FLL_FRATIO=%d, Fref=%dHz\n", fll->fll_fratio, freq_in);
1328
1329 /* Now, calculate N.K */
1330 Ndiv = freq_out / freq_in;
1331
1332 fll->n = Ndiv;
1333 Nmod = freq_out % freq_in;
1334 pr_debug("Nmod=%d\n", Nmod);
1335
1336 /* Calculate fractional part - scale up so we can round. */
1337 Kpart = FIXED_FLL_SIZE * (long long)Nmod;
1338
1339 do_div(Kpart, freq_in);
1340
1341 K = Kpart & 0xFFFFFFFF;
1342
1343 if ((K % 10) >= 5)
1344 K += 5;
1345
1346 /* Move down to proper range now rounding is done */
1347 fll->k = K / 10;
1348
1349 pr_debug("N=%x K=%x\n", fll->n, fll->k);
1350
1351 return 0;
1352}
1353
1354static int wm8995_set_fll(struct snd_soc_dai *dai, int id,
1355 int src, unsigned int freq_in,
1356 unsigned int freq_out)
1357{
1358 struct snd_soc_codec *codec;
1359 struct wm8995_priv *wm8995;
1360 int reg_offset, ret;
1361 struct fll_div fll;
1362 u16 reg, aif1, aif2;
1363
1364 codec = dai->codec;
1365 wm8995 = snd_soc_codec_get_drvdata(codec);
1366
1367 aif1 = snd_soc_read(codec, WM8995_AIF1_CLOCKING_1)
1368 & WM8995_AIF1CLK_ENA;
1369
1370 aif2 = snd_soc_read(codec, WM8995_AIF2_CLOCKING_1)
1371 & WM8995_AIF2CLK_ENA;
1372
1373 switch (id) {
1374 case WM8995_FLL1:
1375 reg_offset = 0;
1376 id = 0;
1377 break;
1378 case WM8995_FLL2:
1379 reg_offset = 0x20;
1380 id = 1;
1381 break;
1382 default:
1383 return -EINVAL;
1384 }
1385
1386 switch (src) {
1387 case 0:
1388 /* Allow no source specification when stopping */
1389 if (freq_out)
1390 return -EINVAL;
1391 break;
1392 case WM8995_FLL_SRC_MCLK1:
1393 case WM8995_FLL_SRC_MCLK2:
1394 case WM8995_FLL_SRC_LRCLK:
1395 case WM8995_FLL_SRC_BCLK:
1396 break;
1397 default:
1398 return -EINVAL;
1399 }
1400
1401 /* Are we changing anything? */
1402 if (wm8995->fll[id].src == src &&
1403 wm8995->fll[id].in == freq_in && wm8995->fll[id].out == freq_out)
1404 return 0;
1405
1406 /* If we're stopping the FLL redo the old config - no
1407 * registers will actually be written but we avoid GCC flow
1408 * analysis bugs spewing warnings.
1409 */
1410 if (freq_out)
1411 ret = wm8995_get_fll_config(&fll, freq_in, freq_out);
1412 else
1413 ret = wm8995_get_fll_config(&fll, wm8995->fll[id].in,
1414 wm8995->fll[id].out);
1415 if (ret < 0)
1416 return ret;
1417
1418 /* Gate the AIF clocks while we reclock */
1419 snd_soc_update_bits(codec, WM8995_AIF1_CLOCKING_1,
1420 WM8995_AIF1CLK_ENA_MASK, 0);
1421 snd_soc_update_bits(codec, WM8995_AIF2_CLOCKING_1,
1422 WM8995_AIF2CLK_ENA_MASK, 0);
1423
1424 /* We always need to disable the FLL while reconfiguring */
1425 snd_soc_update_bits(codec, WM8995_FLL1_CONTROL_1 + reg_offset,
1426 WM8995_FLL1_ENA_MASK, 0);
1427
1428 reg = (fll.outdiv << WM8995_FLL1_OUTDIV_SHIFT) |
1429 (fll.fll_fratio << WM8995_FLL1_FRATIO_SHIFT);
1430 snd_soc_update_bits(codec, WM8995_FLL1_CONTROL_2 + reg_offset,
1431 WM8995_FLL1_OUTDIV_MASK |
1432 WM8995_FLL1_FRATIO_MASK, reg);
1433
1434 snd_soc_write(codec, WM8995_FLL1_CONTROL_3 + reg_offset, fll.k);
1435
1436 snd_soc_update_bits(codec, WM8995_FLL1_CONTROL_4 + reg_offset,
1437 WM8995_FLL1_N_MASK,
1438 fll.n << WM8995_FLL1_N_SHIFT);
1439
1440 snd_soc_update_bits(codec, WM8995_FLL1_CONTROL_5 + reg_offset,
1441 WM8995_FLL1_REFCLK_DIV_MASK |
1442 WM8995_FLL1_REFCLK_SRC_MASK,
1443 (fll.clk_ref_div << WM8995_FLL1_REFCLK_DIV_SHIFT) |
1444 (src - 1));
1445
1446 if (freq_out)
1447 snd_soc_update_bits(codec, WM8995_FLL1_CONTROL_1 + reg_offset,
1448 WM8995_FLL1_ENA_MASK, WM8995_FLL1_ENA);
1449
1450 wm8995->fll[id].in = freq_in;
1451 wm8995->fll[id].out = freq_out;
1452 wm8995->fll[id].src = src;
1453
1454 /* Enable any gated AIF clocks */
1455 snd_soc_update_bits(codec, WM8995_AIF1_CLOCKING_1,
1456 WM8995_AIF1CLK_ENA_MASK, aif1);
1457 snd_soc_update_bits(codec, WM8995_AIF2_CLOCKING_1,
1458 WM8995_AIF2CLK_ENA_MASK, aif2);
1459
1460 configure_clock(codec);
1461
1462 return 0;
1463}
1464
1465static int wm8995_set_dai_sysclk(struct snd_soc_dai *dai,
1466 int clk_id, unsigned int freq, int dir)
1467{
1468 struct snd_soc_codec *codec;
1469 struct wm8995_priv *wm8995;
1470
1471 codec = dai->codec;
1472 wm8995 = snd_soc_codec_get_drvdata(codec);
1473
1474 switch (dai->id) {
1475 case 0:
1476 case 1:
1477 break;
1478 default:
1479 /* AIF3 shares clocking with AIF1/2 */
1480 return -EINVAL;
1481 }
1482
1483 switch (clk_id) {
1484 case WM8995_SYSCLK_MCLK1:
1485 wm8995->sysclk[dai->id] = WM8995_SYSCLK_MCLK1;
1486 wm8995->mclk[0] = freq;
1487 dev_dbg(dai->dev, "AIF%d using MCLK1 at %uHz\n",
1488 dai->id + 1, freq);
1489 break;
1490 case WM8995_SYSCLK_MCLK2:
1491 wm8995->sysclk[dai->id] = WM8995_SYSCLK_MCLK1;
1492 wm8995->mclk[1] = freq;
1493 dev_dbg(dai->dev, "AIF%d using MCLK2 at %uHz\n",
1494 dai->id + 1, freq);
1495 break;
1496 case WM8995_SYSCLK_FLL1:
1497 wm8995->sysclk[dai->id] = WM8995_SYSCLK_FLL1;
1498 dev_dbg(dai->dev, "AIF%d using FLL1\n", dai->id + 1);
1499 break;
1500 case WM8995_SYSCLK_FLL2:
1501 wm8995->sysclk[dai->id] = WM8995_SYSCLK_FLL2;
1502 dev_dbg(dai->dev, "AIF%d using FLL2\n", dai->id + 1);
1503 break;
1504 case WM8995_SYSCLK_OPCLK:
1505 default:
1506 dev_err(dai->dev, "Unknown clock source %d\n", clk_id);
1507 return -EINVAL;
1508 }
1509
1510 configure_clock(codec);
1511
1512 return 0;
1513}
1514
1515static int wm8995_set_bias_level(struct snd_soc_codec *codec,
1516 enum snd_soc_bias_level level)
1517{
1518 struct wm8995_priv *wm8995;
1519 int ret;
1520
1521 wm8995 = snd_soc_codec_get_drvdata(codec);
1522 switch (level) {
1523 case SND_SOC_BIAS_ON:
1524 case SND_SOC_BIAS_PREPARE:
1525 break;
1526 case SND_SOC_BIAS_STANDBY:
1527 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1528 ret = regulator_bulk_enable(ARRAY_SIZE(wm8995->supplies),
1529 wm8995->supplies);
1530 if (ret)
1531 return ret;
1532
1533 ret = snd_soc_cache_sync(codec);
1534 if (ret) {
1535 dev_err(codec->dev,
1536 "Failed to sync cache: %d\n", ret);
1537 return ret;
1538 }
1539
1540 snd_soc_update_bits(codec, WM8995_POWER_MANAGEMENT_1,
1541 WM8995_BG_ENA_MASK, WM8995_BG_ENA);
1542 }
1543 break;
1544 case SND_SOC_BIAS_OFF:
1545 snd_soc_update_bits(codec, WM8995_POWER_MANAGEMENT_1,
1546 WM8995_BG_ENA_MASK, 0);
1547 regulator_bulk_disable(ARRAY_SIZE(wm8995->supplies),
1548 wm8995->supplies);
1549 break;
1550 }
1551
1552 codec->dapm.bias_level = level;
1553 return 0;
1554}
1555
1556#ifdef CONFIG_PM
1557static int wm8995_suspend(struct snd_soc_codec *codec, pm_message_t state)
1558{
1559 wm8995_set_bias_level(codec, SND_SOC_BIAS_OFF);
1560 return 0;
1561}
1562
1563static int wm8995_resume(struct snd_soc_codec *codec)
1564{
1565 wm8995_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1566 return 0;
1567}
1568#else
1569#define wm8995_suspend NULL
1570#define wm8995_resume NULL
1571#endif
1572
1573static int wm8995_remove(struct snd_soc_codec *codec)
1574{
1575 struct wm8995_priv *wm8995;
1576 struct i2c_client *i2c;
1577
1578 i2c = container_of(codec->dev, struct i2c_client, dev);
1579 wm8995 = snd_soc_codec_get_drvdata(codec);
1580 wm8995_set_bias_level(codec, SND_SOC_BIAS_OFF);
1581 return 0;
1582}
1583
1584static int wm8995_probe(struct snd_soc_codec *codec)
1585{
1586 struct wm8995_priv *wm8995;
1587 int i;
1588 int ret;
1589
1590 codec->dapm.idle_bias_off = 1;
1591 wm8995 = snd_soc_codec_get_drvdata(codec);
1592 wm8995->codec = codec;
1593
1594 ret = snd_soc_codec_set_cache_io(codec, 16, 16, wm8995->control_type);
1595 if (ret < 0) {
1596 dev_err(codec->dev, "Failed to set cache i/o: %d\n", ret);
1597 return ret;
1598 }
1599
1600 for (i = 0; i < ARRAY_SIZE(wm8995->supplies); i++)
1601 wm8995->supplies[i].supply = wm8995_supply_names[i];
1602
1603 ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8995->supplies),
1604 wm8995->supplies);
1605 if (ret) {
1606 dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
1607 return ret;
1608 }
1609
1610 wm8995->disable_nb[0].notifier_call = wm8995_regulator_event_0;
1611 wm8995->disable_nb[1].notifier_call = wm8995_regulator_event_1;
1612 wm8995->disable_nb[2].notifier_call = wm8995_regulator_event_2;
1613 wm8995->disable_nb[3].notifier_call = wm8995_regulator_event_3;
1614 wm8995->disable_nb[4].notifier_call = wm8995_regulator_event_4;
1615 wm8995->disable_nb[5].notifier_call = wm8995_regulator_event_5;
1616 wm8995->disable_nb[6].notifier_call = wm8995_regulator_event_6;
1617 wm8995->disable_nb[7].notifier_call = wm8995_regulator_event_7;
1618
1619 /* This should really be moved into the regulator core */
1620 for (i = 0; i < ARRAY_SIZE(wm8995->supplies); i++) {
1621 ret = regulator_register_notifier(wm8995->supplies[i].consumer,
1622 &wm8995->disable_nb[i]);
1623 if (ret) {
1624 dev_err(codec->dev,
1625 "Failed to register regulator notifier: %d\n",
1626 ret);
1627 }
1628 }
1629
1630 ret = regulator_bulk_enable(ARRAY_SIZE(wm8995->supplies),
1631 wm8995->supplies);
1632 if (ret) {
1633 dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
1634 goto err_reg_get;
1635 }
1636
1637 ret = snd_soc_read(codec, WM8995_SOFTWARE_RESET);
1638 if (ret < 0) {
1639 dev_err(codec->dev, "Failed to read device ID: %d\n", ret);
1640 goto err_reg_enable;
1641 }
1642
1643 if (ret != 0x8995) {
1644 dev_err(codec->dev, "Invalid device ID: %#x\n", ret);
1645 goto err_reg_enable;
1646 }
1647
1648 ret = snd_soc_write(codec, WM8995_SOFTWARE_RESET, 0);
1649 if (ret < 0) {
1650 dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
1651 goto err_reg_enable;
1652 }
1653
1654 wm8995_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1655
1656 /* Latch volume updates (right only; we always do left then right). */
1657 snd_soc_update_bits(codec, WM8995_AIF1_DAC1_RIGHT_VOLUME,
1658 WM8995_AIF1DAC1_VU_MASK, WM8995_AIF1DAC1_VU);
1659 snd_soc_update_bits(codec, WM8995_AIF1_DAC2_RIGHT_VOLUME,
1660 WM8995_AIF1DAC2_VU_MASK, WM8995_AIF1DAC2_VU);
1661 snd_soc_update_bits(codec, WM8995_AIF2_DAC_RIGHT_VOLUME,
1662 WM8995_AIF2DAC_VU_MASK, WM8995_AIF2DAC_VU);
1663 snd_soc_update_bits(codec, WM8995_AIF1_ADC1_RIGHT_VOLUME,
1664 WM8995_AIF1ADC1_VU_MASK, WM8995_AIF1ADC1_VU);
1665 snd_soc_update_bits(codec, WM8995_AIF1_ADC2_RIGHT_VOLUME,
1666 WM8995_AIF1ADC2_VU_MASK, WM8995_AIF1ADC2_VU);
1667 snd_soc_update_bits(codec, WM8995_AIF2_ADC_RIGHT_VOLUME,
1668 WM8995_AIF2ADC_VU_MASK, WM8995_AIF1ADC2_VU);
1669 snd_soc_update_bits(codec, WM8995_DAC1_RIGHT_VOLUME,
1670 WM8995_DAC1_VU_MASK, WM8995_DAC1_VU);
1671 snd_soc_update_bits(codec, WM8995_DAC2_RIGHT_VOLUME,
1672 WM8995_DAC2_VU_MASK, WM8995_DAC2_VU);
1673 snd_soc_update_bits(codec, WM8995_RIGHT_LINE_INPUT_1_VOLUME,
1674 WM8995_IN1_VU_MASK, WM8995_IN1_VU);
1675
1676 wm8995_update_class_w(codec);
1677
1678 snd_soc_add_controls(codec, wm8995_snd_controls,
1679 ARRAY_SIZE(wm8995_snd_controls));
1680 snd_soc_dapm_new_controls(&codec->dapm, wm8995_dapm_widgets,
1681 ARRAY_SIZE(wm8995_dapm_widgets));
1682 snd_soc_dapm_add_routes(&codec->dapm, wm8995_intercon,
1683 ARRAY_SIZE(wm8995_intercon));
1684
1685 return 0;
1686
1687err_reg_enable:
1688 regulator_bulk_disable(ARRAY_SIZE(wm8995->supplies), wm8995->supplies);
1689err_reg_get:
1690 regulator_bulk_free(ARRAY_SIZE(wm8995->supplies), wm8995->supplies);
1691 return ret;
1692}
1693
1694#define WM8995_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1695 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1696
1697static struct snd_soc_dai_ops wm8995_aif1_dai_ops = {
1698 .set_sysclk = wm8995_set_dai_sysclk,
1699 .set_fmt = wm8995_set_dai_fmt,
1700 .hw_params = wm8995_hw_params,
1701 .digital_mute = wm8995_aif_mute,
1702 .set_pll = wm8995_set_fll,
1703 .set_tristate = wm8995_set_tristate,
1704};
1705
1706static struct snd_soc_dai_ops wm8995_aif2_dai_ops = {
1707 .set_sysclk = wm8995_set_dai_sysclk,
1708 .set_fmt = wm8995_set_dai_fmt,
1709 .hw_params = wm8995_hw_params,
1710 .digital_mute = wm8995_aif_mute,
1711 .set_pll = wm8995_set_fll,
1712 .set_tristate = wm8995_set_tristate,
1713};
1714
1715static struct snd_soc_dai_ops wm8995_aif3_dai_ops = {
1716 .set_tristate = wm8995_set_tristate,
1717};
1718
1719static struct snd_soc_dai_driver wm8995_dai[] = {
1720 {
1721 .name = "wm8995-aif1",
1722 .playback = {
1723 .stream_name = "AIF1 Playback",
1724 .channels_min = 2,
1725 .channels_max = 2,
1726 .rates = SNDRV_PCM_RATE_8000_96000,
1727 .formats = WM8995_FORMATS
1728 },
1729 .capture = {
1730 .stream_name = "AIF1 Capture",
1731 .channels_min = 2,
1732 .channels_max = 2,
1733 .rates = SNDRV_PCM_RATE_8000_48000,
1734 .formats = WM8995_FORMATS
1735 },
1736 .ops = &wm8995_aif1_dai_ops
1737 },
1738 {
1739 .name = "wm8995-aif2",
1740 .playback = {
1741 .stream_name = "AIF2 Playback",
1742 .channels_min = 2,
1743 .channels_max = 2,
1744 .rates = SNDRV_PCM_RATE_8000_96000,
1745 .formats = WM8995_FORMATS
1746 },
1747 .capture = {
1748 .stream_name = "AIF2 Capture",
1749 .channels_min = 2,
1750 .channels_max = 2,
1751 .rates = SNDRV_PCM_RATE_8000_48000,
1752 .formats = WM8995_FORMATS
1753 },
1754 .ops = &wm8995_aif2_dai_ops
1755 },
1756 {
1757 .name = "wm8995-aif3",
1758 .playback = {
1759 .stream_name = "AIF3 Playback",
1760 .channels_min = 2,
1761 .channels_max = 2,
1762 .rates = SNDRV_PCM_RATE_8000_96000,
1763 .formats = WM8995_FORMATS
1764 },
1765 .capture = {
1766 .stream_name = "AIF3 Capture",
1767 .channels_min = 2,
1768 .channels_max = 2,
1769 .rates = SNDRV_PCM_RATE_8000_48000,
1770 .formats = WM8995_FORMATS
1771 },
1772 .ops = &wm8995_aif3_dai_ops
1773 }
1774};
1775
1776static struct snd_soc_codec_driver soc_codec_dev_wm8995 = {
1777 .probe = wm8995_probe,
1778 .remove = wm8995_remove,
1779 .suspend = wm8995_suspend,
1780 .resume = wm8995_resume,
1781 .set_bias_level = wm8995_set_bias_level,
1782 .reg_cache_size = ARRAY_SIZE(wm8995_reg_defs),
1783 .reg_word_size = sizeof(u16),
1784 .reg_cache_default = wm8995_reg_defs,
1785 .volatile_register = wm8995_volatile,
1786 .compress_type = SND_SOC_RBTREE_COMPRESSION
1787};
1788
1789#if defined(CONFIG_SPI_MASTER)
1790static int __devinit wm8995_spi_probe(struct spi_device *spi)
1791{
1792 struct wm8995_priv *wm8995;
1793 int ret;
1794
1795 wm8995 = kzalloc(sizeof *wm8995, GFP_KERNEL);
1796 if (!wm8995)
1797 return -ENOMEM;
1798
1799 wm8995->control_type = SND_SOC_SPI;
1800 spi_set_drvdata(spi, wm8995);
1801
1802 ret = snd_soc_register_codec(&spi->dev,
1803 &soc_codec_dev_wm8995, wm8995_dai,
1804 ARRAY_SIZE(wm8995_dai));
1805 if (ret < 0)
1806 kfree(wm8995);
1807 return ret;
1808}
1809
1810static int __devexit wm8995_spi_remove(struct spi_device *spi)
1811{
1812 snd_soc_unregister_codec(&spi->dev);
1813 kfree(spi_get_drvdata(spi));
1814 return 0;
1815}
1816
1817static struct spi_driver wm8995_spi_driver = {
1818 .driver = {
1819 .name = "wm8995",
1820 .owner = THIS_MODULE,
1821 },
1822 .probe = wm8995_spi_probe,
1823 .remove = __devexit_p(wm8995_spi_remove)
1824};
1825#endif
1826
1827#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1828static __devinit int wm8995_i2c_probe(struct i2c_client *i2c,
1829 const struct i2c_device_id *id)
1830{
1831 struct wm8995_priv *wm8995;
1832 int ret;
1833
1834 wm8995 = kzalloc(sizeof *wm8995, GFP_KERNEL);
1835 if (!wm8995)
1836 return -ENOMEM;
1837
1838 wm8995->control_type = SND_SOC_I2C;
1839 i2c_set_clientdata(i2c, wm8995);
1840
1841 ret = snd_soc_register_codec(&i2c->dev,
1842 &soc_codec_dev_wm8995, wm8995_dai,
1843 ARRAY_SIZE(wm8995_dai));
1844 if (ret < 0)
1845 kfree(wm8995);
1846 return ret;
1847}
1848
1849static __devexit int wm8995_i2c_remove(struct i2c_client *client)
1850{
1851 snd_soc_unregister_codec(&client->dev);
1852 kfree(i2c_get_clientdata(client));
1853 return 0;
1854}
1855
1856static const struct i2c_device_id wm8995_i2c_id[] = {
1857 {"wm8995", 0},
1858 {}
1859};
1860
1861MODULE_DEVICE_TABLE(i2c, wm8995_i2c_id);
1862
1863static struct i2c_driver wm8995_i2c_driver = {
1864 .driver = {
1865 .name = "wm8995",
1866 .owner = THIS_MODULE,
1867 },
1868 .probe = wm8995_i2c_probe,
1869 .remove = __devexit_p(wm8995_i2c_remove),
1870 .id_table = wm8995_i2c_id
1871};
1872#endif
1873
1874static int __init wm8995_modinit(void)
1875{
1876 int ret = 0;
1877
1878#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1879 ret = i2c_add_driver(&wm8995_i2c_driver);
1880 if (ret) {
1881 printk(KERN_ERR "Failed to register wm8995 I2C driver: %d\n",
1882 ret);
1883 }
1884#endif
1885#if defined(CONFIG_SPI_MASTER)
1886 ret = spi_register_driver(&wm8995_spi_driver);
1887 if (ret) {
1888 printk(KERN_ERR "Failed to register wm8995 SPI driver: %d\n",
1889 ret);
1890 }
1891#endif
1892 return ret;
1893}
1894
1895module_init(wm8995_modinit);
1896
1897static void __exit wm8995_exit(void)
1898{
1899#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1900 i2c_del_driver(&wm8995_i2c_driver);
1901#endif
1902#if defined(CONFIG_SPI_MASTER)
1903 spi_unregister_driver(&wm8995_spi_driver);
1904#endif
1905}
1906
1907module_exit(wm8995_exit);
1908
1909MODULE_DESCRIPTION("ASoC WM8995 driver");
1910MODULE_AUTHOR("Dimitris Papastamos <dp@opensource.wolfsonmicro.com>");
1911MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2025-04-04 16:45:13 -0400