Merge branches 'arm/rockchip', 'arm/exynos', 'arm/smmu', 'x86/vt-d', 'x86/amd', ...
[sfrench/cifs-2.6.git] / sound / soc / codecs / wm8960.c
1 /*
2  * wm8960.c  --  WM8960 ALSA SoC Audio driver
3  *
4  * Copyright 2007-11 Wolfson Microelectronics, plc
5  *
6  * Author: Liam Girdwood
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  */
12
13 #include <linux/module.h>
14 #include <linux/moduleparam.h>
15 #include <linux/init.h>
16 #include <linux/delay.h>
17 #include <linux/pm.h>
18 #include <linux/clk.h>
19 #include <linux/i2c.h>
20 #include <linux/slab.h>
21 #include <sound/core.h>
22 #include <sound/pcm.h>
23 #include <sound/pcm_params.h>
24 #include <sound/soc.h>
25 #include <sound/initval.h>
26 #include <sound/tlv.h>
27 #include <sound/wm8960.h>
28
29 #include "wm8960.h"
30
31 /* R25 - Power 1 */
32 #define WM8960_VMID_MASK 0x180
33 #define WM8960_VREF      0x40
34
35 /* R26 - Power 2 */
36 #define WM8960_PWR2_LOUT1       0x40
37 #define WM8960_PWR2_ROUT1       0x20
38 #define WM8960_PWR2_OUT3        0x02
39
40 /* R28 - Anti-pop 1 */
41 #define WM8960_POBCTRL   0x80
42 #define WM8960_BUFDCOPEN 0x10
43 #define WM8960_BUFIOEN   0x08
44 #define WM8960_SOFT_ST   0x04
45 #define WM8960_HPSTBY    0x01
46
47 /* R29 - Anti-pop 2 */
48 #define WM8960_DISOP     0x40
49 #define WM8960_DRES_MASK 0x30
50
51 /*
52  * wm8960 register cache
53  * We can't read the WM8960 register space when we are
54  * using 2 wire for device control, so we cache them instead.
55  */
56 static const struct reg_default wm8960_reg_defaults[] = {
57         {  0x0, 0x00a7 },
58         {  0x1, 0x00a7 },
59         {  0x2, 0x0000 },
60         {  0x3, 0x0000 },
61         {  0x4, 0x0000 },
62         {  0x5, 0x0008 },
63         {  0x6, 0x0000 },
64         {  0x7, 0x000a },
65         {  0x8, 0x01c0 },
66         {  0x9, 0x0000 },
67         {  0xa, 0x00ff },
68         {  0xb, 0x00ff },
69
70         { 0x10, 0x0000 },
71         { 0x11, 0x007b },
72         { 0x12, 0x0100 },
73         { 0x13, 0x0032 },
74         { 0x14, 0x0000 },
75         { 0x15, 0x00c3 },
76         { 0x16, 0x00c3 },
77         { 0x17, 0x01c0 },
78         { 0x18, 0x0000 },
79         { 0x19, 0x0000 },
80         { 0x1a, 0x0000 },
81         { 0x1b, 0x0000 },
82         { 0x1c, 0x0000 },
83         { 0x1d, 0x0000 },
84
85         { 0x20, 0x0100 },
86         { 0x21, 0x0100 },
87         { 0x22, 0x0050 },
88
89         { 0x25, 0x0050 },
90         { 0x26, 0x0000 },
91         { 0x27, 0x0000 },
92         { 0x28, 0x0000 },
93         { 0x29, 0x0000 },
94         { 0x2a, 0x0040 },
95         { 0x2b, 0x0000 },
96         { 0x2c, 0x0000 },
97         { 0x2d, 0x0050 },
98         { 0x2e, 0x0050 },
99         { 0x2f, 0x0000 },
100         { 0x30, 0x0002 },
101         { 0x31, 0x0037 },
102
103         { 0x33, 0x0080 },
104         { 0x34, 0x0008 },
105         { 0x35, 0x0031 },
106         { 0x36, 0x0026 },
107         { 0x37, 0x00e9 },
108 };
109
110 static bool wm8960_volatile(struct device *dev, unsigned int reg)
111 {
112         switch (reg) {
113         case WM8960_RESET:
114                 return true;
115         default:
116                 return false;
117         }
118 }
119
120 struct wm8960_priv {
121         struct clk *mclk;
122         struct regmap *regmap;
123         int (*set_bias_level)(struct snd_soc_codec *,
124                               enum snd_soc_bias_level level);
125         struct snd_soc_dapm_widget *lout1;
126         struct snd_soc_dapm_widget *rout1;
127         struct snd_soc_dapm_widget *out3;
128         bool deemph;
129         int playback_fs;
130         struct wm8960_data pdata;
131 };
132
133 #define wm8960_reset(c) regmap_write(c, WM8960_RESET, 0)
134
135 /* enumerated controls */
136 static const char *wm8960_polarity[] = {"No Inversion", "Left Inverted",
137         "Right Inverted", "Stereo Inversion"};
138 static const char *wm8960_3d_upper_cutoff[] = {"High", "Low"};
139 static const char *wm8960_3d_lower_cutoff[] = {"Low", "High"};
140 static const char *wm8960_alcfunc[] = {"Off", "Right", "Left", "Stereo"};
141 static const char *wm8960_alcmode[] = {"ALC", "Limiter"};
142
143 static const struct soc_enum wm8960_enum[] = {
144         SOC_ENUM_SINGLE(WM8960_DACCTL1, 5, 4, wm8960_polarity),
145         SOC_ENUM_SINGLE(WM8960_DACCTL2, 5, 4, wm8960_polarity),
146         SOC_ENUM_SINGLE(WM8960_3D, 6, 2, wm8960_3d_upper_cutoff),
147         SOC_ENUM_SINGLE(WM8960_3D, 5, 2, wm8960_3d_lower_cutoff),
148         SOC_ENUM_SINGLE(WM8960_ALC1, 7, 4, wm8960_alcfunc),
149         SOC_ENUM_SINGLE(WM8960_ALC3, 8, 2, wm8960_alcmode),
150 };
151
152 static const int deemph_settings[] = { 0, 32000, 44100, 48000 };
153
154 static int wm8960_set_deemph(struct snd_soc_codec *codec)
155 {
156         struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
157         int val, i, best;
158
159         /* If we're using deemphasis select the nearest available sample
160          * rate.
161          */
162         if (wm8960->deemph) {
163                 best = 1;
164                 for (i = 2; i < ARRAY_SIZE(deemph_settings); i++) {
165                         if (abs(deemph_settings[i] - wm8960->playback_fs) <
166                             abs(deemph_settings[best] - wm8960->playback_fs))
167                                 best = i;
168                 }
169
170                 val = best << 1;
171         } else {
172                 val = 0;
173         }
174
175         dev_dbg(codec->dev, "Set deemphasis %d\n", val);
176
177         return snd_soc_update_bits(codec, WM8960_DACCTL1,
178                                    0x6, val);
179 }
180
181 static int wm8960_get_deemph(struct snd_kcontrol *kcontrol,
182                              struct snd_ctl_elem_value *ucontrol)
183 {
184         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
185         struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
186
187         ucontrol->value.integer.value[0] = wm8960->deemph;
188         return 0;
189 }
190
191 static int wm8960_put_deemph(struct snd_kcontrol *kcontrol,
192                              struct snd_ctl_elem_value *ucontrol)
193 {
194         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
195         struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
196         int deemph = ucontrol->value.integer.value[0];
197
198         if (deemph > 1)
199                 return -EINVAL;
200
201         wm8960->deemph = deemph;
202
203         return wm8960_set_deemph(codec);
204 }
205
206 static const DECLARE_TLV_DB_SCALE(adc_tlv, -9700, 50, 0);
207 static const DECLARE_TLV_DB_SCALE(dac_tlv, -12700, 50, 1);
208 static const DECLARE_TLV_DB_SCALE(bypass_tlv, -2100, 300, 0);
209 static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1);
210 static const DECLARE_TLV_DB_SCALE(boost_tlv, -1200, 300, 1);
211
212 static const struct snd_kcontrol_new wm8960_snd_controls[] = {
213 SOC_DOUBLE_R_TLV("Capture Volume", WM8960_LINVOL, WM8960_RINVOL,
214                  0, 63, 0, adc_tlv),
215 SOC_DOUBLE_R("Capture Volume ZC Switch", WM8960_LINVOL, WM8960_RINVOL,
216         6, 1, 0),
217 SOC_DOUBLE_R("Capture Switch", WM8960_LINVOL, WM8960_RINVOL,
218         7, 1, 0),
219
220 SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT3 Volume",
221                WM8960_INBMIX1, 4, 7, 0, boost_tlv),
222 SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT2 Volume",
223                WM8960_INBMIX1, 1, 7, 0, boost_tlv),
224 SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT3 Volume",
225                WM8960_INBMIX2, 4, 7, 0, boost_tlv),
226 SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT2 Volume",
227                WM8960_INBMIX2, 1, 7, 0, boost_tlv),
228
229 SOC_DOUBLE_R_TLV("Playback Volume", WM8960_LDAC, WM8960_RDAC,
230                  0, 255, 0, dac_tlv),
231
232 SOC_DOUBLE_R_TLV("Headphone Playback Volume", WM8960_LOUT1, WM8960_ROUT1,
233                  0, 127, 0, out_tlv),
234 SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8960_LOUT1, WM8960_ROUT1,
235         7, 1, 0),
236
237 SOC_DOUBLE_R_TLV("Speaker Playback Volume", WM8960_LOUT2, WM8960_ROUT2,
238                  0, 127, 0, out_tlv),
239 SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8960_LOUT2, WM8960_ROUT2,
240         7, 1, 0),
241 SOC_SINGLE("Speaker DC Volume", WM8960_CLASSD3, 3, 5, 0),
242 SOC_SINGLE("Speaker AC Volume", WM8960_CLASSD3, 0, 5, 0),
243
244 SOC_SINGLE("PCM Playback -6dB Switch", WM8960_DACCTL1, 7, 1, 0),
245 SOC_ENUM("ADC Polarity", wm8960_enum[0]),
246 SOC_SINGLE("ADC High Pass Filter Switch", WM8960_DACCTL1, 0, 1, 0),
247
248 SOC_ENUM("DAC Polarity", wm8960_enum[2]),
249 SOC_SINGLE_BOOL_EXT("DAC Deemphasis Switch", 0,
250                     wm8960_get_deemph, wm8960_put_deemph),
251
252 SOC_ENUM("3D Filter Upper Cut-Off", wm8960_enum[2]),
253 SOC_ENUM("3D Filter Lower Cut-Off", wm8960_enum[3]),
254 SOC_SINGLE("3D Volume", WM8960_3D, 1, 15, 0),
255 SOC_SINGLE("3D Switch", WM8960_3D, 0, 1, 0),
256
257 SOC_ENUM("ALC Function", wm8960_enum[4]),
258 SOC_SINGLE("ALC Max Gain", WM8960_ALC1, 4, 7, 0),
259 SOC_SINGLE("ALC Target", WM8960_ALC1, 0, 15, 1),
260 SOC_SINGLE("ALC Min Gain", WM8960_ALC2, 4, 7, 0),
261 SOC_SINGLE("ALC Hold Time", WM8960_ALC2, 0, 15, 0),
262 SOC_ENUM("ALC Mode", wm8960_enum[5]),
263 SOC_SINGLE("ALC Decay", WM8960_ALC3, 4, 15, 0),
264 SOC_SINGLE("ALC Attack", WM8960_ALC3, 0, 15, 0),
265
266 SOC_SINGLE("Noise Gate Threshold", WM8960_NOISEG, 3, 31, 0),
267 SOC_SINGLE("Noise Gate Switch", WM8960_NOISEG, 0, 1, 0),
268
269 SOC_DOUBLE_R_TLV("ADC PCM Capture Volume", WM8960_LADC, WM8960_RADC,
270         0, 255, 0, adc_tlv),
271
272 SOC_SINGLE_TLV("Left Output Mixer Boost Bypass Volume",
273                WM8960_BYPASS1, 4, 7, 1, bypass_tlv),
274 SOC_SINGLE_TLV("Left Output Mixer LINPUT3 Volume",
275                WM8960_LOUTMIX, 4, 7, 1, bypass_tlv),
276 SOC_SINGLE_TLV("Right Output Mixer Boost Bypass Volume",
277                WM8960_BYPASS2, 4, 7, 1, bypass_tlv),
278 SOC_SINGLE_TLV("Right Output Mixer RINPUT3 Volume",
279                WM8960_ROUTMIX, 4, 7, 1, bypass_tlv),
280 };
281
282 static const struct snd_kcontrol_new wm8960_lin_boost[] = {
283 SOC_DAPM_SINGLE("LINPUT2 Switch", WM8960_LINPATH, 6, 1, 0),
284 SOC_DAPM_SINGLE("LINPUT3 Switch", WM8960_LINPATH, 7, 1, 0),
285 SOC_DAPM_SINGLE("LINPUT1 Switch", WM8960_LINPATH, 8, 1, 0),
286 };
287
288 static const struct snd_kcontrol_new wm8960_lin[] = {
289 SOC_DAPM_SINGLE("Boost Switch", WM8960_LINPATH, 3, 1, 0),
290 };
291
292 static const struct snd_kcontrol_new wm8960_rin_boost[] = {
293 SOC_DAPM_SINGLE("RINPUT2 Switch", WM8960_RINPATH, 6, 1, 0),
294 SOC_DAPM_SINGLE("RINPUT3 Switch", WM8960_RINPATH, 7, 1, 0),
295 SOC_DAPM_SINGLE("RINPUT1 Switch", WM8960_RINPATH, 8, 1, 0),
296 };
297
298 static const struct snd_kcontrol_new wm8960_rin[] = {
299 SOC_DAPM_SINGLE("Boost Switch", WM8960_RINPATH, 3, 1, 0),
300 };
301
302 static const struct snd_kcontrol_new wm8960_loutput_mixer[] = {
303 SOC_DAPM_SINGLE("PCM Playback Switch", WM8960_LOUTMIX, 8, 1, 0),
304 SOC_DAPM_SINGLE("LINPUT3 Switch", WM8960_LOUTMIX, 7, 1, 0),
305 SOC_DAPM_SINGLE("Boost Bypass Switch", WM8960_BYPASS1, 7, 1, 0),
306 };
307
308 static const struct snd_kcontrol_new wm8960_routput_mixer[] = {
309 SOC_DAPM_SINGLE("PCM Playback Switch", WM8960_ROUTMIX, 8, 1, 0),
310 SOC_DAPM_SINGLE("RINPUT3 Switch", WM8960_ROUTMIX, 7, 1, 0),
311 SOC_DAPM_SINGLE("Boost Bypass Switch", WM8960_BYPASS2, 7, 1, 0),
312 };
313
314 static const struct snd_kcontrol_new wm8960_mono_out[] = {
315 SOC_DAPM_SINGLE("Left Switch", WM8960_MONOMIX1, 7, 1, 0),
316 SOC_DAPM_SINGLE("Right Switch", WM8960_MONOMIX2, 7, 1, 0),
317 };
318
319 static const struct snd_soc_dapm_widget wm8960_dapm_widgets[] = {
320 SND_SOC_DAPM_INPUT("LINPUT1"),
321 SND_SOC_DAPM_INPUT("RINPUT1"),
322 SND_SOC_DAPM_INPUT("LINPUT2"),
323 SND_SOC_DAPM_INPUT("RINPUT2"),
324 SND_SOC_DAPM_INPUT("LINPUT3"),
325 SND_SOC_DAPM_INPUT("RINPUT3"),
326
327 SND_SOC_DAPM_SUPPLY("MICB", WM8960_POWER1, 1, 0, NULL, 0),
328
329 SND_SOC_DAPM_MIXER("Left Boost Mixer", WM8960_POWER1, 5, 0,
330                    wm8960_lin_boost, ARRAY_SIZE(wm8960_lin_boost)),
331 SND_SOC_DAPM_MIXER("Right Boost Mixer", WM8960_POWER1, 4, 0,
332                    wm8960_rin_boost, ARRAY_SIZE(wm8960_rin_boost)),
333
334 SND_SOC_DAPM_MIXER("Left Input Mixer", WM8960_POWER3, 5, 0,
335                    wm8960_lin, ARRAY_SIZE(wm8960_lin)),
336 SND_SOC_DAPM_MIXER("Right Input Mixer", WM8960_POWER3, 4, 0,
337                    wm8960_rin, ARRAY_SIZE(wm8960_rin)),
338
339 SND_SOC_DAPM_ADC("Left ADC", "Capture", WM8960_POWER1, 3, 0),
340 SND_SOC_DAPM_ADC("Right ADC", "Capture", WM8960_POWER1, 2, 0),
341
342 SND_SOC_DAPM_DAC("Left DAC", "Playback", WM8960_POWER2, 8, 0),
343 SND_SOC_DAPM_DAC("Right DAC", "Playback", WM8960_POWER2, 7, 0),
344
345 SND_SOC_DAPM_MIXER("Left Output Mixer", WM8960_POWER3, 3, 0,
346         &wm8960_loutput_mixer[0],
347         ARRAY_SIZE(wm8960_loutput_mixer)),
348 SND_SOC_DAPM_MIXER("Right Output Mixer", WM8960_POWER3, 2, 0,
349         &wm8960_routput_mixer[0],
350         ARRAY_SIZE(wm8960_routput_mixer)),
351
352 SND_SOC_DAPM_PGA("LOUT1 PGA", WM8960_POWER2, 6, 0, NULL, 0),
353 SND_SOC_DAPM_PGA("ROUT1 PGA", WM8960_POWER2, 5, 0, NULL, 0),
354
355 SND_SOC_DAPM_PGA("Left Speaker PGA", WM8960_POWER2, 4, 0, NULL, 0),
356 SND_SOC_DAPM_PGA("Right Speaker PGA", WM8960_POWER2, 3, 0, NULL, 0),
357
358 SND_SOC_DAPM_PGA("Right Speaker Output", WM8960_CLASSD1, 7, 0, NULL, 0),
359 SND_SOC_DAPM_PGA("Left Speaker Output", WM8960_CLASSD1, 6, 0, NULL, 0),
360
361 SND_SOC_DAPM_OUTPUT("SPK_LP"),
362 SND_SOC_DAPM_OUTPUT("SPK_LN"),
363 SND_SOC_DAPM_OUTPUT("HP_L"),
364 SND_SOC_DAPM_OUTPUT("HP_R"),
365 SND_SOC_DAPM_OUTPUT("SPK_RP"),
366 SND_SOC_DAPM_OUTPUT("SPK_RN"),
367 SND_SOC_DAPM_OUTPUT("OUT3"),
368 };
369
370 static const struct snd_soc_dapm_widget wm8960_dapm_widgets_out3[] = {
371 SND_SOC_DAPM_MIXER("Mono Output Mixer", WM8960_POWER2, 1, 0,
372         &wm8960_mono_out[0],
373         ARRAY_SIZE(wm8960_mono_out)),
374 };
375
376 /* Represent OUT3 as a PGA so that it gets turned on with LOUT1/ROUT1 */
377 static const struct snd_soc_dapm_widget wm8960_dapm_widgets_capless[] = {
378 SND_SOC_DAPM_PGA("OUT3 VMID", WM8960_POWER2, 1, 0, NULL, 0),
379 };
380
381 static const struct snd_soc_dapm_route audio_paths[] = {
382         { "Left Boost Mixer", "LINPUT1 Switch", "LINPUT1" },
383         { "Left Boost Mixer", "LINPUT2 Switch", "LINPUT2" },
384         { "Left Boost Mixer", "LINPUT3 Switch", "LINPUT3" },
385
386         { "Left Input Mixer", "Boost Switch", "Left Boost Mixer", },
387         { "Left Input Mixer", NULL, "LINPUT1", },  /* Really Boost Switch */
388         { "Left Input Mixer", NULL, "LINPUT2" },
389         { "Left Input Mixer", NULL, "LINPUT3" },
390
391         { "Right Boost Mixer", "RINPUT1 Switch", "RINPUT1" },
392         { "Right Boost Mixer", "RINPUT2 Switch", "RINPUT2" },
393         { "Right Boost Mixer", "RINPUT3 Switch", "RINPUT3" },
394
395         { "Right Input Mixer", "Boost Switch", "Right Boost Mixer", },
396         { "Right Input Mixer", NULL, "RINPUT1", },  /* Really Boost Switch */
397         { "Right Input Mixer", NULL, "RINPUT2" },
398         { "Right Input Mixer", NULL, "RINPUT3" },
399
400         { "Left ADC", NULL, "Left Input Mixer" },
401         { "Right ADC", NULL, "Right Input Mixer" },
402
403         { "Left Output Mixer", "LINPUT3 Switch", "LINPUT3" },
404         { "Left Output Mixer", "Boost Bypass Switch", "Left Boost Mixer"} ,
405         { "Left Output Mixer", "PCM Playback Switch", "Left DAC" },
406
407         { "Right Output Mixer", "RINPUT3 Switch", "RINPUT3" },
408         { "Right Output Mixer", "Boost Bypass Switch", "Right Boost Mixer" } ,
409         { "Right Output Mixer", "PCM Playback Switch", "Right DAC" },
410
411         { "LOUT1 PGA", NULL, "Left Output Mixer" },
412         { "ROUT1 PGA", NULL, "Right Output Mixer" },
413
414         { "HP_L", NULL, "LOUT1 PGA" },
415         { "HP_R", NULL, "ROUT1 PGA" },
416
417         { "Left Speaker PGA", NULL, "Left Output Mixer" },
418         { "Right Speaker PGA", NULL, "Right Output Mixer" },
419
420         { "Left Speaker Output", NULL, "Left Speaker PGA" },
421         { "Right Speaker Output", NULL, "Right Speaker PGA" },
422
423         { "SPK_LN", NULL, "Left Speaker Output" },
424         { "SPK_LP", NULL, "Left Speaker Output" },
425         { "SPK_RN", NULL, "Right Speaker Output" },
426         { "SPK_RP", NULL, "Right Speaker Output" },
427 };
428
429 static const struct snd_soc_dapm_route audio_paths_out3[] = {
430         { "Mono Output Mixer", "Left Switch", "Left Output Mixer" },
431         { "Mono Output Mixer", "Right Switch", "Right Output Mixer" },
432
433         { "OUT3", NULL, "Mono Output Mixer", }
434 };
435
436 static const struct snd_soc_dapm_route audio_paths_capless[] = {
437         { "HP_L", NULL, "OUT3 VMID" },
438         { "HP_R", NULL, "OUT3 VMID" },
439
440         { "OUT3 VMID", NULL, "Left Output Mixer" },
441         { "OUT3 VMID", NULL, "Right Output Mixer" },
442 };
443
444 static int wm8960_add_widgets(struct snd_soc_codec *codec)
445 {
446         struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
447         struct wm8960_data *pdata = &wm8960->pdata;
448         struct snd_soc_dapm_context *dapm = &codec->dapm;
449         struct snd_soc_dapm_widget *w;
450
451         snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets,
452                                   ARRAY_SIZE(wm8960_dapm_widgets));
453
454         snd_soc_dapm_add_routes(dapm, audio_paths, ARRAY_SIZE(audio_paths));
455
456         /* In capless mode OUT3 is used to provide VMID for the
457          * headphone outputs, otherwise it is used as a mono mixer.
458          */
459         if (pdata && pdata->capless) {
460                 snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets_capless,
461                                           ARRAY_SIZE(wm8960_dapm_widgets_capless));
462
463                 snd_soc_dapm_add_routes(dapm, audio_paths_capless,
464                                         ARRAY_SIZE(audio_paths_capless));
465         } else {
466                 snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets_out3,
467                                           ARRAY_SIZE(wm8960_dapm_widgets_out3));
468
469                 snd_soc_dapm_add_routes(dapm, audio_paths_out3,
470                                         ARRAY_SIZE(audio_paths_out3));
471         }
472
473         /* We need to power up the headphone output stage out of
474          * sequence for capless mode.  To save scanning the widget
475          * list each time to find the desired power state do so now
476          * and save the result.
477          */
478         list_for_each_entry(w, &codec->component.card->widgets, list) {
479                 if (w->dapm != &codec->dapm)
480                         continue;
481                 if (strcmp(w->name, "LOUT1 PGA") == 0)
482                         wm8960->lout1 = w;
483                 if (strcmp(w->name, "ROUT1 PGA") == 0)
484                         wm8960->rout1 = w;
485                 if (strcmp(w->name, "OUT3 VMID") == 0)
486                         wm8960->out3 = w;
487         }
488         
489         return 0;
490 }
491
492 static int wm8960_set_dai_fmt(struct snd_soc_dai *codec_dai,
493                 unsigned int fmt)
494 {
495         struct snd_soc_codec *codec = codec_dai->codec;
496         u16 iface = 0;
497
498         /* set master/slave audio interface */
499         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
500         case SND_SOC_DAIFMT_CBM_CFM:
501                 iface |= 0x0040;
502                 break;
503         case SND_SOC_DAIFMT_CBS_CFS:
504                 break;
505         default:
506                 return -EINVAL;
507         }
508
509         /* interface format */
510         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
511         case SND_SOC_DAIFMT_I2S:
512                 iface |= 0x0002;
513                 break;
514         case SND_SOC_DAIFMT_RIGHT_J:
515                 break;
516         case SND_SOC_DAIFMT_LEFT_J:
517                 iface |= 0x0001;
518                 break;
519         case SND_SOC_DAIFMT_DSP_A:
520                 iface |= 0x0003;
521                 break;
522         case SND_SOC_DAIFMT_DSP_B:
523                 iface |= 0x0013;
524                 break;
525         default:
526                 return -EINVAL;
527         }
528
529         /* clock inversion */
530         switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
531         case SND_SOC_DAIFMT_NB_NF:
532                 break;
533         case SND_SOC_DAIFMT_IB_IF:
534                 iface |= 0x0090;
535                 break;
536         case SND_SOC_DAIFMT_IB_NF:
537                 iface |= 0x0080;
538                 break;
539         case SND_SOC_DAIFMT_NB_IF:
540                 iface |= 0x0010;
541                 break;
542         default:
543                 return -EINVAL;
544         }
545
546         /* set iface */
547         snd_soc_write(codec, WM8960_IFACE1, iface);
548         return 0;
549 }
550
551 static struct {
552         int rate;
553         unsigned int val;
554 } alc_rates[] = {
555         { 48000, 0 },
556         { 44100, 0 },
557         { 32000, 1 },
558         { 22050, 2 },
559         { 24000, 2 },
560         { 16000, 3 },
561         { 11025, 4 },
562         { 12000, 4 },
563         {  8000, 5 },
564 };
565
566 static int wm8960_hw_params(struct snd_pcm_substream *substream,
567                             struct snd_pcm_hw_params *params,
568                             struct snd_soc_dai *dai)
569 {
570         struct snd_soc_codec *codec = dai->codec;
571         struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
572         u16 iface = snd_soc_read(codec, WM8960_IFACE1) & 0xfff3;
573         int i;
574
575         /* bit size */
576         switch (params_width(params)) {
577         case 16:
578                 break;
579         case 20:
580                 iface |= 0x0004;
581                 break;
582         case 24:
583                 iface |= 0x0008;
584                 break;
585         default:
586                 dev_err(codec->dev, "unsupported width %d\n",
587                         params_width(params));
588                 return -EINVAL;
589         }
590
591         /* Update filters for the new rate */
592         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
593                 wm8960->playback_fs = params_rate(params);
594                 wm8960_set_deemph(codec);
595         } else {
596                 for (i = 0; i < ARRAY_SIZE(alc_rates); i++)
597                         if (alc_rates[i].rate == params_rate(params))
598                                 snd_soc_update_bits(codec,
599                                                     WM8960_ADDCTL3, 0x7,
600                                                     alc_rates[i].val);
601         }
602
603         /* set iface */
604         snd_soc_write(codec, WM8960_IFACE1, iface);
605         return 0;
606 }
607
608 static int wm8960_mute(struct snd_soc_dai *dai, int mute)
609 {
610         struct snd_soc_codec *codec = dai->codec;
611
612         if (mute)
613                 snd_soc_update_bits(codec, WM8960_DACCTL1, 0x8, 0x8);
614         else
615                 snd_soc_update_bits(codec, WM8960_DACCTL1, 0x8, 0);
616         return 0;
617 }
618
619 static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec,
620                                       enum snd_soc_bias_level level)
621 {
622         struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
623         int ret;
624
625         switch (level) {
626         case SND_SOC_BIAS_ON:
627                 break;
628
629         case SND_SOC_BIAS_PREPARE:
630                 switch (codec->dapm.bias_level) {
631                 case SND_SOC_BIAS_STANDBY:
632                         if (!IS_ERR(wm8960->mclk)) {
633                                 ret = clk_prepare_enable(wm8960->mclk);
634                                 if (ret) {
635                                         dev_err(codec->dev,
636                                                 "Failed to enable MCLK: %d\n",
637                                                 ret);
638                                         return ret;
639                                 }
640                         }
641
642                         /* Set VMID to 2x50k */
643                         snd_soc_update_bits(codec, WM8960_POWER1, 0x180, 0x80);
644                         break;
645
646                 case SND_SOC_BIAS_ON:
647                         if (!IS_ERR(wm8960->mclk))
648                                 clk_disable_unprepare(wm8960->mclk);
649                         break;
650
651                 default:
652                         break;
653                 }
654
655                 break;
656
657         case SND_SOC_BIAS_STANDBY:
658                 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
659                         regcache_sync(wm8960->regmap);
660
661                         /* Enable anti-pop features */
662                         snd_soc_write(codec, WM8960_APOP1,
663                                       WM8960_POBCTRL | WM8960_SOFT_ST |
664                                       WM8960_BUFDCOPEN | WM8960_BUFIOEN);
665
666                         /* Enable & ramp VMID at 2x50k */
667                         snd_soc_update_bits(codec, WM8960_POWER1, 0x80, 0x80);
668                         msleep(100);
669
670                         /* Enable VREF */
671                         snd_soc_update_bits(codec, WM8960_POWER1, WM8960_VREF,
672                                             WM8960_VREF);
673
674                         /* Disable anti-pop features */
675                         snd_soc_write(codec, WM8960_APOP1, WM8960_BUFIOEN);
676                 }
677
678                 /* Set VMID to 2x250k */
679                 snd_soc_update_bits(codec, WM8960_POWER1, 0x180, 0x100);
680                 break;
681
682         case SND_SOC_BIAS_OFF:
683                 /* Enable anti-pop features */
684                 snd_soc_write(codec, WM8960_APOP1,
685                              WM8960_POBCTRL | WM8960_SOFT_ST |
686                              WM8960_BUFDCOPEN | WM8960_BUFIOEN);
687
688                 /* Disable VMID and VREF, let them discharge */
689                 snd_soc_write(codec, WM8960_POWER1, 0);
690                 msleep(600);
691                 break;
692         }
693
694         codec->dapm.bias_level = level;
695
696         return 0;
697 }
698
699 static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec,
700                                          enum snd_soc_bias_level level)
701 {
702         struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
703         int reg, ret;
704
705         switch (level) {
706         case SND_SOC_BIAS_ON:
707                 break;
708
709         case SND_SOC_BIAS_PREPARE:
710                 switch (codec->dapm.bias_level) {
711                 case SND_SOC_BIAS_STANDBY:
712                         /* Enable anti pop mode */
713                         snd_soc_update_bits(codec, WM8960_APOP1,
714                                             WM8960_POBCTRL | WM8960_SOFT_ST |
715                                             WM8960_BUFDCOPEN,
716                                             WM8960_POBCTRL | WM8960_SOFT_ST |
717                                             WM8960_BUFDCOPEN);
718
719                         /* Enable LOUT1, ROUT1 and OUT3 if they're enabled */
720                         reg = 0;
721                         if (wm8960->lout1 && wm8960->lout1->power)
722                                 reg |= WM8960_PWR2_LOUT1;
723                         if (wm8960->rout1 && wm8960->rout1->power)
724                                 reg |= WM8960_PWR2_ROUT1;
725                         if (wm8960->out3 && wm8960->out3->power)
726                                 reg |= WM8960_PWR2_OUT3;
727                         snd_soc_update_bits(codec, WM8960_POWER2,
728                                             WM8960_PWR2_LOUT1 |
729                                             WM8960_PWR2_ROUT1 |
730                                             WM8960_PWR2_OUT3, reg);
731
732                         /* Enable VMID at 2*50k */
733                         snd_soc_update_bits(codec, WM8960_POWER1,
734                                             WM8960_VMID_MASK, 0x80);
735
736                         /* Ramp */
737                         msleep(100);
738
739                         /* Enable VREF */
740                         snd_soc_update_bits(codec, WM8960_POWER1,
741                                             WM8960_VREF, WM8960_VREF);
742
743                         msleep(100);
744
745                         if (!IS_ERR(wm8960->mclk)) {
746                                 ret = clk_prepare_enable(wm8960->mclk);
747                                 if (ret) {
748                                         dev_err(codec->dev,
749                                                 "Failed to enable MCLK: %d\n",
750                                                 ret);
751                                         return ret;
752                                 }
753                         }
754                         break;
755
756                 case SND_SOC_BIAS_ON:
757                         if (!IS_ERR(wm8960->mclk))
758                                 clk_disable_unprepare(wm8960->mclk);
759
760                         /* Enable anti-pop mode */
761                         snd_soc_update_bits(codec, WM8960_APOP1,
762                                             WM8960_POBCTRL | WM8960_SOFT_ST |
763                                             WM8960_BUFDCOPEN,
764                                             WM8960_POBCTRL | WM8960_SOFT_ST |
765                                             WM8960_BUFDCOPEN);
766
767                         /* Disable VMID and VREF */
768                         snd_soc_update_bits(codec, WM8960_POWER1,
769                                             WM8960_VREF | WM8960_VMID_MASK, 0);
770                         break;
771
772                 case SND_SOC_BIAS_OFF:
773                         regcache_sync(wm8960->regmap);
774                         break;
775                 default:
776                         break;
777                 }
778                 break;
779
780         case SND_SOC_BIAS_STANDBY:
781                 switch (codec->dapm.bias_level) {
782                 case SND_SOC_BIAS_PREPARE:
783                         /* Disable HP discharge */
784                         snd_soc_update_bits(codec, WM8960_APOP2,
785                                             WM8960_DISOP | WM8960_DRES_MASK,
786                                             0);
787
788                         /* Disable anti-pop features */
789                         snd_soc_update_bits(codec, WM8960_APOP1,
790                                             WM8960_POBCTRL | WM8960_SOFT_ST |
791                                             WM8960_BUFDCOPEN,
792                                             WM8960_POBCTRL | WM8960_SOFT_ST |
793                                             WM8960_BUFDCOPEN);
794                         break;
795
796                 default:
797                         break;
798                 }
799                 break;
800
801         case SND_SOC_BIAS_OFF:
802                 break;
803         }
804
805         codec->dapm.bias_level = level;
806
807         return 0;
808 }
809
810 /* PLL divisors */
811 struct _pll_div {
812         u32 pre_div:1;
813         u32 n:4;
814         u32 k:24;
815 };
816
817 /* The size in bits of the pll divide multiplied by 10
818  * to allow rounding later */
819 #define FIXED_PLL_SIZE ((1 << 24) * 10)
820
821 static int pll_factors(unsigned int source, unsigned int target,
822                        struct _pll_div *pll_div)
823 {
824         unsigned long long Kpart;
825         unsigned int K, Ndiv, Nmod;
826
827         pr_debug("WM8960 PLL: setting %dHz->%dHz\n", source, target);
828
829         /* Scale up target to PLL operating frequency */
830         target *= 4;
831
832         Ndiv = target / source;
833         if (Ndiv < 6) {
834                 source >>= 1;
835                 pll_div->pre_div = 1;
836                 Ndiv = target / source;
837         } else
838                 pll_div->pre_div = 0;
839
840         if ((Ndiv < 6) || (Ndiv > 12)) {
841                 pr_err("WM8960 PLL: Unsupported N=%d\n", Ndiv);
842                 return -EINVAL;
843         }
844
845         pll_div->n = Ndiv;
846         Nmod = target % source;
847         Kpart = FIXED_PLL_SIZE * (long long)Nmod;
848
849         do_div(Kpart, source);
850
851         K = Kpart & 0xFFFFFFFF;
852
853         /* Check if we need to round */
854         if ((K % 10) >= 5)
855                 K += 5;
856
857         /* Move down to proper range now rounding is done */
858         K /= 10;
859
860         pll_div->k = K;
861
862         pr_debug("WM8960 PLL: N=%x K=%x pre_div=%d\n",
863                  pll_div->n, pll_div->k, pll_div->pre_div);
864
865         return 0;
866 }
867
868 static int wm8960_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
869                 int source, unsigned int freq_in, unsigned int freq_out)
870 {
871         struct snd_soc_codec *codec = codec_dai->codec;
872         u16 reg;
873         static struct _pll_div pll_div;
874         int ret;
875
876         if (freq_in && freq_out) {
877                 ret = pll_factors(freq_in, freq_out, &pll_div);
878                 if (ret != 0)
879                         return ret;
880         }
881
882         /* Disable the PLL: even if we are changing the frequency the
883          * PLL needs to be disabled while we do so. */
884         snd_soc_update_bits(codec, WM8960_CLOCK1, 0x1, 0);
885         snd_soc_update_bits(codec, WM8960_POWER2, 0x1, 0);
886
887         if (!freq_in || !freq_out)
888                 return 0;
889
890         reg = snd_soc_read(codec, WM8960_PLL1) & ~0x3f;
891         reg |= pll_div.pre_div << 4;
892         reg |= pll_div.n;
893
894         if (pll_div.k) {
895                 reg |= 0x20;
896
897                 snd_soc_write(codec, WM8960_PLL2, (pll_div.k >> 16) & 0xff);
898                 snd_soc_write(codec, WM8960_PLL3, (pll_div.k >> 8) & 0xff);
899                 snd_soc_write(codec, WM8960_PLL4, pll_div.k & 0xff);
900         }
901         snd_soc_write(codec, WM8960_PLL1, reg);
902
903         /* Turn it on */
904         snd_soc_update_bits(codec, WM8960_POWER2, 0x1, 0x1);
905         msleep(250);
906         snd_soc_update_bits(codec, WM8960_CLOCK1, 0x1, 0x1);
907
908         return 0;
909 }
910
911 static int wm8960_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
912                 int div_id, int div)
913 {
914         struct snd_soc_codec *codec = codec_dai->codec;
915         u16 reg;
916
917         switch (div_id) {
918         case WM8960_SYSCLKDIV:
919                 reg = snd_soc_read(codec, WM8960_CLOCK1) & 0x1f9;
920                 snd_soc_write(codec, WM8960_CLOCK1, reg | div);
921                 break;
922         case WM8960_DACDIV:
923                 reg = snd_soc_read(codec, WM8960_CLOCK1) & 0x1c7;
924                 snd_soc_write(codec, WM8960_CLOCK1, reg | div);
925                 break;
926         case WM8960_OPCLKDIV:
927                 reg = snd_soc_read(codec, WM8960_PLL1) & 0x03f;
928                 snd_soc_write(codec, WM8960_PLL1, reg | div);
929                 break;
930         case WM8960_DCLKDIV:
931                 reg = snd_soc_read(codec, WM8960_CLOCK2) & 0x03f;
932                 snd_soc_write(codec, WM8960_CLOCK2, reg | div);
933                 break;
934         case WM8960_TOCLKSEL:
935                 reg = snd_soc_read(codec, WM8960_ADDCTL1) & 0x1fd;
936                 snd_soc_write(codec, WM8960_ADDCTL1, reg | div);
937                 break;
938         default:
939                 return -EINVAL;
940         }
941
942         return 0;
943 }
944
945 static int wm8960_set_bias_level(struct snd_soc_codec *codec,
946                                  enum snd_soc_bias_level level)
947 {
948         struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
949
950         return wm8960->set_bias_level(codec, level);
951 }
952
953 #define WM8960_RATES SNDRV_PCM_RATE_8000_48000
954
955 #define WM8960_FORMATS \
956         (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
957         SNDRV_PCM_FMTBIT_S24_LE)
958
959 static const struct snd_soc_dai_ops wm8960_dai_ops = {
960         .hw_params = wm8960_hw_params,
961         .digital_mute = wm8960_mute,
962         .set_fmt = wm8960_set_dai_fmt,
963         .set_clkdiv = wm8960_set_dai_clkdiv,
964         .set_pll = wm8960_set_dai_pll,
965 };
966
967 static struct snd_soc_dai_driver wm8960_dai = {
968         .name = "wm8960-hifi",
969         .playback = {
970                 .stream_name = "Playback",
971                 .channels_min = 1,
972                 .channels_max = 2,
973                 .rates = WM8960_RATES,
974                 .formats = WM8960_FORMATS,},
975         .capture = {
976                 .stream_name = "Capture",
977                 .channels_min = 1,
978                 .channels_max = 2,
979                 .rates = WM8960_RATES,
980                 .formats = WM8960_FORMATS,},
981         .ops = &wm8960_dai_ops,
982         .symmetric_rates = 1,
983 };
984
985 static int wm8960_probe(struct snd_soc_codec *codec)
986 {
987         struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
988         struct wm8960_data *pdata = &wm8960->pdata;
989
990         if (pdata->capless)
991                 wm8960->set_bias_level = wm8960_set_bias_level_capless;
992         else
993                 wm8960->set_bias_level = wm8960_set_bias_level_out3;
994
995         snd_soc_add_codec_controls(codec, wm8960_snd_controls,
996                                      ARRAY_SIZE(wm8960_snd_controls));
997         wm8960_add_widgets(codec);
998
999         return 0;
1000 }
1001
1002 static struct snd_soc_codec_driver soc_codec_dev_wm8960 = {
1003         .probe =        wm8960_probe,
1004         .set_bias_level = wm8960_set_bias_level,
1005         .suspend_bias_off = true,
1006 };
1007
1008 static const struct regmap_config wm8960_regmap = {
1009         .reg_bits = 7,
1010         .val_bits = 9,
1011         .max_register = WM8960_PLL4,
1012
1013         .reg_defaults = wm8960_reg_defaults,
1014         .num_reg_defaults = ARRAY_SIZE(wm8960_reg_defaults),
1015         .cache_type = REGCACHE_RBTREE,
1016
1017         .volatile_reg = wm8960_volatile,
1018 };
1019
1020 static void wm8960_set_pdata_from_of(struct i2c_client *i2c,
1021                                 struct wm8960_data *pdata)
1022 {
1023         const struct device_node *np = i2c->dev.of_node;
1024
1025         if (of_property_read_bool(np, "wlf,capless"))
1026                 pdata->capless = true;
1027
1028         if (of_property_read_bool(np, "wlf,shared-lrclk"))
1029                 pdata->shared_lrclk = true;
1030 }
1031
1032 static int wm8960_i2c_probe(struct i2c_client *i2c,
1033                             const struct i2c_device_id *id)
1034 {
1035         struct wm8960_data *pdata = dev_get_platdata(&i2c->dev);
1036         struct wm8960_priv *wm8960;
1037         int ret;
1038
1039         wm8960 = devm_kzalloc(&i2c->dev, sizeof(struct wm8960_priv),
1040                               GFP_KERNEL);
1041         if (wm8960 == NULL)
1042                 return -ENOMEM;
1043
1044         wm8960->mclk = devm_clk_get(&i2c->dev, "mclk");
1045         if (IS_ERR(wm8960->mclk)) {
1046                 if (PTR_ERR(wm8960->mclk) == -EPROBE_DEFER)
1047                         return -EPROBE_DEFER;
1048         }
1049
1050         wm8960->regmap = devm_regmap_init_i2c(i2c, &wm8960_regmap);
1051         if (IS_ERR(wm8960->regmap))
1052                 return PTR_ERR(wm8960->regmap);
1053
1054         if (pdata)
1055                 memcpy(&wm8960->pdata, pdata, sizeof(struct wm8960_data));
1056         else if (i2c->dev.of_node)
1057                 wm8960_set_pdata_from_of(i2c, &wm8960->pdata);
1058
1059         ret = wm8960_reset(wm8960->regmap);
1060         if (ret != 0) {
1061                 dev_err(&i2c->dev, "Failed to issue reset\n");
1062                 return ret;
1063         }
1064
1065         if (wm8960->pdata.shared_lrclk) {
1066                 ret = regmap_update_bits(wm8960->regmap, WM8960_ADDCTL2,
1067                                          0x4, 0x4);
1068                 if (ret != 0) {
1069                         dev_err(&i2c->dev, "Failed to enable LRCM: %d\n",
1070                                 ret);
1071                         return ret;
1072                 }
1073         }
1074
1075         /* Latch the update bits */
1076         regmap_update_bits(wm8960->regmap, WM8960_LINVOL, 0x100, 0x100);
1077         regmap_update_bits(wm8960->regmap, WM8960_RINVOL, 0x100, 0x100);
1078         regmap_update_bits(wm8960->regmap, WM8960_LADC, 0x100, 0x100);
1079         regmap_update_bits(wm8960->regmap, WM8960_RADC, 0x100, 0x100);
1080         regmap_update_bits(wm8960->regmap, WM8960_LDAC, 0x100, 0x100);
1081         regmap_update_bits(wm8960->regmap, WM8960_RDAC, 0x100, 0x100);
1082         regmap_update_bits(wm8960->regmap, WM8960_LOUT1, 0x100, 0x100);
1083         regmap_update_bits(wm8960->regmap, WM8960_ROUT1, 0x100, 0x100);
1084         regmap_update_bits(wm8960->regmap, WM8960_LOUT2, 0x100, 0x100);
1085         regmap_update_bits(wm8960->regmap, WM8960_ROUT2, 0x100, 0x100);
1086
1087         i2c_set_clientdata(i2c, wm8960);
1088
1089         ret = snd_soc_register_codec(&i2c->dev,
1090                         &soc_codec_dev_wm8960, &wm8960_dai, 1);
1091
1092         return ret;
1093 }
1094
1095 static int wm8960_i2c_remove(struct i2c_client *client)
1096 {
1097         snd_soc_unregister_codec(&client->dev);
1098         return 0;
1099 }
1100
1101 static const struct i2c_device_id wm8960_i2c_id[] = {
1102         { "wm8960", 0 },
1103         { }
1104 };
1105 MODULE_DEVICE_TABLE(i2c, wm8960_i2c_id);
1106
1107 static const struct of_device_id wm8960_of_match[] = {
1108        { .compatible = "wlf,wm8960", },
1109        { }
1110 };
1111 MODULE_DEVICE_TABLE(of, wm8960_of_match);
1112
1113 static struct i2c_driver wm8960_i2c_driver = {
1114         .driver = {
1115                 .name = "wm8960",
1116                 .owner = THIS_MODULE,
1117                 .of_match_table = wm8960_of_match,
1118         },
1119         .probe =    wm8960_i2c_probe,
1120         .remove =   wm8960_i2c_remove,
1121         .id_table = wm8960_i2c_id,
1122 };
1123
1124 module_i2c_driver(wm8960_i2c_driver);
1125
1126 MODULE_DESCRIPTION("ASoC WM8960 driver");
1127 MODULE_AUTHOR("Liam Girdwood");
1128 MODULE_LICENSE("GPL");