xref: /openbmc/linux/sound/soc/codecs/wm8960.c (revision df2634f43f5106947f3735a0b61a6527a4b278cd)
1 /*
2  * wm8960.c  --  WM8960 ALSA SoC Audio driver
3  *
4  * Author: Liam Girdwood
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10 
11 #include <linux/module.h>
12 #include <linux/moduleparam.h>
13 #include <linux/init.h>
14 #include <linux/delay.h>
15 #include <linux/pm.h>
16 #include <linux/i2c.h>
17 #include <linux/platform_device.h>
18 #include <linux/slab.h>
19 #include <sound/core.h>
20 #include <sound/pcm.h>
21 #include <sound/pcm_params.h>
22 #include <sound/soc.h>
23 #include <sound/initval.h>
24 #include <sound/tlv.h>
25 #include <sound/wm8960.h>
26 
27 #include "wm8960.h"
28 
29 #define AUDIO_NAME "wm8960"
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 u16 wm8960_reg[WM8960_CACHEREGNUM] = {
57 	0x0097, 0x0097, 0x0000, 0x0000,
58 	0x0000, 0x0008, 0x0000, 0x000a,
59 	0x01c0, 0x0000, 0x00ff, 0x00ff,
60 	0x0000, 0x0000, 0x0000, 0x0000,
61 	0x0000, 0x007b, 0x0100, 0x0032,
62 	0x0000, 0x00c3, 0x00c3, 0x01c0,
63 	0x0000, 0x0000, 0x0000, 0x0000,
64 	0x0000, 0x0000, 0x0000, 0x0000,
65 	0x0100, 0x0100, 0x0050, 0x0050,
66 	0x0050, 0x0050, 0x0000, 0x0000,
67 	0x0000, 0x0000, 0x0040, 0x0000,
68 	0x0000, 0x0050, 0x0050, 0x0000,
69 	0x0002, 0x0037, 0x004d, 0x0080,
70 	0x0008, 0x0031, 0x0026, 0x00e9,
71 };
72 
73 struct wm8960_priv {
74 	enum snd_soc_control_type control_type;
75 	void *control_data;
76 	int (*set_bias_level)(struct snd_soc_codec *,
77 			      enum snd_soc_bias_level level);
78 	struct snd_soc_dapm_widget *lout1;
79 	struct snd_soc_dapm_widget *rout1;
80 	struct snd_soc_dapm_widget *out3;
81 	bool deemph;
82 	int playback_fs;
83 };
84 
85 #define wm8960_reset(c)	snd_soc_write(c, WM8960_RESET, 0)
86 
87 /* enumerated controls */
88 static const char *wm8960_polarity[] = {"No Inversion", "Left Inverted",
89 	"Right Inverted", "Stereo Inversion"};
90 static const char *wm8960_3d_upper_cutoff[] = {"High", "Low"};
91 static const char *wm8960_3d_lower_cutoff[] = {"Low", "High"};
92 static const char *wm8960_alcfunc[] = {"Off", "Right", "Left", "Stereo"};
93 static const char *wm8960_alcmode[] = {"ALC", "Limiter"};
94 
95 static const struct soc_enum wm8960_enum[] = {
96 	SOC_ENUM_SINGLE(WM8960_DACCTL1, 5, 4, wm8960_polarity),
97 	SOC_ENUM_SINGLE(WM8960_DACCTL2, 5, 4, wm8960_polarity),
98 	SOC_ENUM_SINGLE(WM8960_3D, 6, 2, wm8960_3d_upper_cutoff),
99 	SOC_ENUM_SINGLE(WM8960_3D, 5, 2, wm8960_3d_lower_cutoff),
100 	SOC_ENUM_SINGLE(WM8960_ALC1, 7, 4, wm8960_alcfunc),
101 	SOC_ENUM_SINGLE(WM8960_ALC3, 8, 2, wm8960_alcmode),
102 };
103 
104 static const int deemph_settings[] = { 0, 32000, 44100, 48000 };
105 
106 static int wm8960_set_deemph(struct snd_soc_codec *codec)
107 {
108 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
109 	int val, i, best;
110 
111 	/* If we're using deemphasis select the nearest available sample
112 	 * rate.
113 	 */
114 	if (wm8960->deemph) {
115 		best = 1;
116 		for (i = 2; i < ARRAY_SIZE(deemph_settings); i++) {
117 			if (abs(deemph_settings[i] - wm8960->playback_fs) <
118 			    abs(deemph_settings[best] - wm8960->playback_fs))
119 				best = i;
120 		}
121 
122 		val = best << 1;
123 	} else {
124 		val = 0;
125 	}
126 
127 	dev_dbg(codec->dev, "Set deemphasis %d\n", val);
128 
129 	return snd_soc_update_bits(codec, WM8960_DACCTL1,
130 				   0x6, val);
131 }
132 
133 static int wm8960_get_deemph(struct snd_kcontrol *kcontrol,
134 			     struct snd_ctl_elem_value *ucontrol)
135 {
136 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
137 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
138 
139 	ucontrol->value.enumerated.item[0] = wm8960->deemph;
140 	return 0;
141 }
142 
143 static int wm8960_put_deemph(struct snd_kcontrol *kcontrol,
144 			     struct snd_ctl_elem_value *ucontrol)
145 {
146 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
147 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
148 	int deemph = ucontrol->value.enumerated.item[0];
149 
150 	if (deemph > 1)
151 		return -EINVAL;
152 
153 	wm8960->deemph = deemph;
154 
155 	return wm8960_set_deemph(codec);
156 }
157 
158 static const DECLARE_TLV_DB_SCALE(adc_tlv, -9700, 50, 0);
159 static const DECLARE_TLV_DB_SCALE(dac_tlv, -12700, 50, 1);
160 static const DECLARE_TLV_DB_SCALE(bypass_tlv, -2100, 300, 0);
161 static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1);
162 
163 static const struct snd_kcontrol_new wm8960_snd_controls[] = {
164 SOC_DOUBLE_R_TLV("Capture Volume", WM8960_LINVOL, WM8960_RINVOL,
165 		 0, 63, 0, adc_tlv),
166 SOC_DOUBLE_R("Capture Volume ZC Switch", WM8960_LINVOL, WM8960_RINVOL,
167 	6, 1, 0),
168 SOC_DOUBLE_R("Capture Switch", WM8960_LINVOL, WM8960_RINVOL,
169 	7, 1, 0),
170 
171 SOC_DOUBLE_R_TLV("Playback Volume", WM8960_LDAC, WM8960_RDAC,
172 		 0, 255, 0, dac_tlv),
173 
174 SOC_DOUBLE_R_TLV("Headphone Playback Volume", WM8960_LOUT1, WM8960_ROUT1,
175 		 0, 127, 0, out_tlv),
176 SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8960_LOUT1, WM8960_ROUT1,
177 	7, 1, 0),
178 
179 SOC_DOUBLE_R_TLV("Speaker Playback Volume", WM8960_LOUT2, WM8960_ROUT2,
180 		 0, 127, 0, out_tlv),
181 SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8960_LOUT2, WM8960_ROUT2,
182 	7, 1, 0),
183 SOC_SINGLE("Speaker DC Volume", WM8960_CLASSD3, 3, 5, 0),
184 SOC_SINGLE("Speaker AC Volume", WM8960_CLASSD3, 0, 5, 0),
185 
186 SOC_SINGLE("PCM Playback -6dB Switch", WM8960_DACCTL1, 7, 1, 0),
187 SOC_ENUM("ADC Polarity", wm8960_enum[0]),
188 SOC_SINGLE("ADC High Pass Filter Switch", WM8960_DACCTL1, 0, 1, 0),
189 
190 SOC_ENUM("DAC Polarity", wm8960_enum[2]),
191 SOC_SINGLE_BOOL_EXT("DAC Deemphasis Switch", 0,
192 		    wm8960_get_deemph, wm8960_put_deemph),
193 
194 SOC_ENUM("3D Filter Upper Cut-Off", wm8960_enum[2]),
195 SOC_ENUM("3D Filter Lower Cut-Off", wm8960_enum[3]),
196 SOC_SINGLE("3D Volume", WM8960_3D, 1, 15, 0),
197 SOC_SINGLE("3D Switch", WM8960_3D, 0, 1, 0),
198 
199 SOC_ENUM("ALC Function", wm8960_enum[4]),
200 SOC_SINGLE("ALC Max Gain", WM8960_ALC1, 4, 7, 0),
201 SOC_SINGLE("ALC Target", WM8960_ALC1, 0, 15, 1),
202 SOC_SINGLE("ALC Min Gain", WM8960_ALC2, 4, 7, 0),
203 SOC_SINGLE("ALC Hold Time", WM8960_ALC2, 0, 15, 0),
204 SOC_ENUM("ALC Mode", wm8960_enum[5]),
205 SOC_SINGLE("ALC Decay", WM8960_ALC3, 4, 15, 0),
206 SOC_SINGLE("ALC Attack", WM8960_ALC3, 0, 15, 0),
207 
208 SOC_SINGLE("Noise Gate Threshold", WM8960_NOISEG, 3, 31, 0),
209 SOC_SINGLE("Noise Gate Switch", WM8960_NOISEG, 0, 1, 0),
210 
211 SOC_DOUBLE_R("ADC PCM Capture Volume", WM8960_LINPATH, WM8960_RINPATH,
212 	0, 127, 0),
213 
214 SOC_SINGLE_TLV("Left Output Mixer Boost Bypass Volume",
215 	       WM8960_BYPASS1, 4, 7, 1, bypass_tlv),
216 SOC_SINGLE_TLV("Left Output Mixer LINPUT3 Volume",
217 	       WM8960_LOUTMIX, 4, 7, 1, bypass_tlv),
218 SOC_SINGLE_TLV("Right Output Mixer Boost Bypass Volume",
219 	       WM8960_BYPASS2, 4, 7, 1, bypass_tlv),
220 SOC_SINGLE_TLV("Right Output Mixer RINPUT3 Volume",
221 	       WM8960_ROUTMIX, 4, 7, 1, bypass_tlv),
222 };
223 
224 static const struct snd_kcontrol_new wm8960_lin_boost[] = {
225 SOC_DAPM_SINGLE("LINPUT2 Switch", WM8960_LINPATH, 6, 1, 0),
226 SOC_DAPM_SINGLE("LINPUT3 Switch", WM8960_LINPATH, 7, 1, 0),
227 SOC_DAPM_SINGLE("LINPUT1 Switch", WM8960_LINPATH, 8, 1, 0),
228 };
229 
230 static const struct snd_kcontrol_new wm8960_lin[] = {
231 SOC_DAPM_SINGLE("Boost Switch", WM8960_LINPATH, 3, 1, 0),
232 };
233 
234 static const struct snd_kcontrol_new wm8960_rin_boost[] = {
235 SOC_DAPM_SINGLE("RINPUT2 Switch", WM8960_RINPATH, 6, 1, 0),
236 SOC_DAPM_SINGLE("RINPUT3 Switch", WM8960_RINPATH, 7, 1, 0),
237 SOC_DAPM_SINGLE("RINPUT1 Switch", WM8960_RINPATH, 8, 1, 0),
238 };
239 
240 static const struct snd_kcontrol_new wm8960_rin[] = {
241 SOC_DAPM_SINGLE("Boost Switch", WM8960_RINPATH, 3, 1, 0),
242 };
243 
244 static const struct snd_kcontrol_new wm8960_loutput_mixer[] = {
245 SOC_DAPM_SINGLE("PCM Playback Switch", WM8960_LOUTMIX, 8, 1, 0),
246 SOC_DAPM_SINGLE("LINPUT3 Switch", WM8960_LOUTMIX, 7, 1, 0),
247 SOC_DAPM_SINGLE("Boost Bypass Switch", WM8960_BYPASS1, 7, 1, 0),
248 };
249 
250 static const struct snd_kcontrol_new wm8960_routput_mixer[] = {
251 SOC_DAPM_SINGLE("PCM Playback Switch", WM8960_ROUTMIX, 8, 1, 0),
252 SOC_DAPM_SINGLE("RINPUT3 Switch", WM8960_ROUTMIX, 7, 1, 0),
253 SOC_DAPM_SINGLE("Boost Bypass Switch", WM8960_BYPASS2, 7, 1, 0),
254 };
255 
256 static const struct snd_kcontrol_new wm8960_mono_out[] = {
257 SOC_DAPM_SINGLE("Left Switch", WM8960_MONOMIX1, 7, 1, 0),
258 SOC_DAPM_SINGLE("Right Switch", WM8960_MONOMIX2, 7, 1, 0),
259 };
260 
261 static const struct snd_soc_dapm_widget wm8960_dapm_widgets[] = {
262 SND_SOC_DAPM_INPUT("LINPUT1"),
263 SND_SOC_DAPM_INPUT("RINPUT1"),
264 SND_SOC_DAPM_INPUT("LINPUT2"),
265 SND_SOC_DAPM_INPUT("RINPUT2"),
266 SND_SOC_DAPM_INPUT("LINPUT3"),
267 SND_SOC_DAPM_INPUT("RINPUT3"),
268 
269 SND_SOC_DAPM_MICBIAS("MICB", WM8960_POWER1, 1, 0),
270 
271 SND_SOC_DAPM_MIXER("Left Boost Mixer", WM8960_POWER1, 5, 0,
272 		   wm8960_lin_boost, ARRAY_SIZE(wm8960_lin_boost)),
273 SND_SOC_DAPM_MIXER("Right Boost Mixer", WM8960_POWER1, 4, 0,
274 		   wm8960_rin_boost, ARRAY_SIZE(wm8960_rin_boost)),
275 
276 SND_SOC_DAPM_MIXER("Left Input Mixer", WM8960_POWER3, 5, 0,
277 		   wm8960_lin, ARRAY_SIZE(wm8960_lin)),
278 SND_SOC_DAPM_MIXER("Right Input Mixer", WM8960_POWER3, 4, 0,
279 		   wm8960_rin, ARRAY_SIZE(wm8960_rin)),
280 
281 SND_SOC_DAPM_ADC("Left ADC", "Capture", WM8960_POWER2, 3, 0),
282 SND_SOC_DAPM_ADC("Right ADC", "Capture", WM8960_POWER2, 2, 0),
283 
284 SND_SOC_DAPM_DAC("Left DAC", "Playback", WM8960_POWER2, 8, 0),
285 SND_SOC_DAPM_DAC("Right DAC", "Playback", WM8960_POWER2, 7, 0),
286 
287 SND_SOC_DAPM_MIXER("Left Output Mixer", WM8960_POWER3, 3, 0,
288 	&wm8960_loutput_mixer[0],
289 	ARRAY_SIZE(wm8960_loutput_mixer)),
290 SND_SOC_DAPM_MIXER("Right Output Mixer", WM8960_POWER3, 2, 0,
291 	&wm8960_routput_mixer[0],
292 	ARRAY_SIZE(wm8960_routput_mixer)),
293 
294 SND_SOC_DAPM_PGA("LOUT1 PGA", WM8960_POWER2, 6, 0, NULL, 0),
295 SND_SOC_DAPM_PGA("ROUT1 PGA", WM8960_POWER2, 5, 0, NULL, 0),
296 
297 SND_SOC_DAPM_PGA("Left Speaker PGA", WM8960_POWER2, 4, 0, NULL, 0),
298 SND_SOC_DAPM_PGA("Right Speaker PGA", WM8960_POWER2, 3, 0, NULL, 0),
299 
300 SND_SOC_DAPM_PGA("Right Speaker Output", WM8960_CLASSD1, 7, 0, NULL, 0),
301 SND_SOC_DAPM_PGA("Left Speaker Output", WM8960_CLASSD1, 6, 0, NULL, 0),
302 
303 SND_SOC_DAPM_OUTPUT("SPK_LP"),
304 SND_SOC_DAPM_OUTPUT("SPK_LN"),
305 SND_SOC_DAPM_OUTPUT("HP_L"),
306 SND_SOC_DAPM_OUTPUT("HP_R"),
307 SND_SOC_DAPM_OUTPUT("SPK_RP"),
308 SND_SOC_DAPM_OUTPUT("SPK_RN"),
309 SND_SOC_DAPM_OUTPUT("OUT3"),
310 };
311 
312 static const struct snd_soc_dapm_widget wm8960_dapm_widgets_out3[] = {
313 SND_SOC_DAPM_MIXER("Mono Output Mixer", WM8960_POWER2, 1, 0,
314 	&wm8960_mono_out[0],
315 	ARRAY_SIZE(wm8960_mono_out)),
316 };
317 
318 /* Represent OUT3 as a PGA so that it gets turned on with LOUT1/ROUT1 */
319 static const struct snd_soc_dapm_widget wm8960_dapm_widgets_capless[] = {
320 SND_SOC_DAPM_PGA("OUT3 VMID", WM8960_POWER2, 1, 0, NULL, 0),
321 };
322 
323 static const struct snd_soc_dapm_route audio_paths[] = {
324 	{ "Left Boost Mixer", "LINPUT1 Switch", "LINPUT1" },
325 	{ "Left Boost Mixer", "LINPUT2 Switch", "LINPUT2" },
326 	{ "Left Boost Mixer", "LINPUT3 Switch", "LINPUT3" },
327 
328 	{ "Left Input Mixer", "Boost Switch", "Left Boost Mixer", },
329 	{ "Left Input Mixer", NULL, "LINPUT1", },  /* Really Boost Switch */
330 	{ "Left Input Mixer", NULL, "LINPUT2" },
331 	{ "Left Input Mixer", NULL, "LINPUT3" },
332 
333 	{ "Right Boost Mixer", "RINPUT1 Switch", "RINPUT1" },
334 	{ "Right Boost Mixer", "RINPUT2 Switch", "RINPUT2" },
335 	{ "Right Boost Mixer", "RINPUT3 Switch", "RINPUT3" },
336 
337 	{ "Right Input Mixer", "Boost Switch", "Right Boost Mixer", },
338 	{ "Right Input Mixer", NULL, "RINPUT1", },  /* Really Boost Switch */
339 	{ "Right Input Mixer", NULL, "RINPUT2" },
340 	{ "Right Input Mixer", NULL, "LINPUT3" },
341 
342 	{ "Left ADC", NULL, "Left Input Mixer" },
343 	{ "Right ADC", NULL, "Right Input Mixer" },
344 
345 	{ "Left Output Mixer", "LINPUT3 Switch", "LINPUT3" },
346 	{ "Left Output Mixer", "Boost Bypass Switch", "Left Boost Mixer"} ,
347 	{ "Left Output Mixer", "PCM Playback Switch", "Left DAC" },
348 
349 	{ "Right Output Mixer", "RINPUT3 Switch", "RINPUT3" },
350 	{ "Right Output Mixer", "Boost Bypass Switch", "Right Boost Mixer" } ,
351 	{ "Right Output Mixer", "PCM Playback Switch", "Right DAC" },
352 
353 	{ "LOUT1 PGA", NULL, "Left Output Mixer" },
354 	{ "ROUT1 PGA", NULL, "Right Output Mixer" },
355 
356 	{ "HP_L", NULL, "LOUT1 PGA" },
357 	{ "HP_R", NULL, "ROUT1 PGA" },
358 
359 	{ "Left Speaker PGA", NULL, "Left Output Mixer" },
360 	{ "Right Speaker PGA", NULL, "Right Output Mixer" },
361 
362 	{ "Left Speaker Output", NULL, "Left Speaker PGA" },
363 	{ "Right Speaker Output", NULL, "Right Speaker PGA" },
364 
365 	{ "SPK_LN", NULL, "Left Speaker Output" },
366 	{ "SPK_LP", NULL, "Left Speaker Output" },
367 	{ "SPK_RN", NULL, "Right Speaker Output" },
368 	{ "SPK_RP", NULL, "Right Speaker Output" },
369 };
370 
371 static const struct snd_soc_dapm_route audio_paths_out3[] = {
372 	{ "Mono Output Mixer", "Left Switch", "Left Output Mixer" },
373 	{ "Mono Output Mixer", "Right Switch", "Right Output Mixer" },
374 
375 	{ "OUT3", NULL, "Mono Output Mixer", }
376 };
377 
378 static const struct snd_soc_dapm_route audio_paths_capless[] = {
379 	{ "HP_L", NULL, "OUT3 VMID" },
380 	{ "HP_R", NULL, "OUT3 VMID" },
381 
382 	{ "OUT3 VMID", NULL, "Left Output Mixer" },
383 	{ "OUT3 VMID", NULL, "Right Output Mixer" },
384 };
385 
386 static int wm8960_add_widgets(struct snd_soc_codec *codec)
387 {
388 	struct wm8960_data *pdata = codec->dev->platform_data;
389 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
390 	struct snd_soc_dapm_context *dapm = &codec->dapm;
391 	struct snd_soc_dapm_widget *w;
392 
393 	snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets,
394 				  ARRAY_SIZE(wm8960_dapm_widgets));
395 
396 	snd_soc_dapm_add_routes(dapm, audio_paths, ARRAY_SIZE(audio_paths));
397 
398 	/* In capless mode OUT3 is used to provide VMID for the
399 	 * headphone outputs, otherwise it is used as a mono mixer.
400 	 */
401 	if (pdata && pdata->capless) {
402 		snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets_capless,
403 					  ARRAY_SIZE(wm8960_dapm_widgets_capless));
404 
405 		snd_soc_dapm_add_routes(dapm, audio_paths_capless,
406 					ARRAY_SIZE(audio_paths_capless));
407 	} else {
408 		snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets_out3,
409 					  ARRAY_SIZE(wm8960_dapm_widgets_out3));
410 
411 		snd_soc_dapm_add_routes(dapm, audio_paths_out3,
412 					ARRAY_SIZE(audio_paths_out3));
413 	}
414 
415 	/* We need to power up the headphone output stage out of
416 	 * sequence for capless mode.  To save scanning the widget
417 	 * list each time to find the desired power state do so now
418 	 * and save the result.
419 	 */
420 	list_for_each_entry(w, &codec->card->widgets, list) {
421 		if (w->dapm != &codec->dapm)
422 			continue;
423 		if (strcmp(w->name, "LOUT1 PGA") == 0)
424 			wm8960->lout1 = w;
425 		if (strcmp(w->name, "ROUT1 PGA") == 0)
426 			wm8960->rout1 = w;
427 		if (strcmp(w->name, "OUT3 VMID") == 0)
428 			wm8960->out3 = w;
429 	}
430 
431 	return 0;
432 }
433 
434 static int wm8960_set_dai_fmt(struct snd_soc_dai *codec_dai,
435 		unsigned int fmt)
436 {
437 	struct snd_soc_codec *codec = codec_dai->codec;
438 	u16 iface = 0;
439 
440 	/* set master/slave audio interface */
441 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
442 	case SND_SOC_DAIFMT_CBM_CFM:
443 		iface |= 0x0040;
444 		break;
445 	case SND_SOC_DAIFMT_CBS_CFS:
446 		break;
447 	default:
448 		return -EINVAL;
449 	}
450 
451 	/* interface format */
452 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
453 	case SND_SOC_DAIFMT_I2S:
454 		iface |= 0x0002;
455 		break;
456 	case SND_SOC_DAIFMT_RIGHT_J:
457 		break;
458 	case SND_SOC_DAIFMT_LEFT_J:
459 		iface |= 0x0001;
460 		break;
461 	case SND_SOC_DAIFMT_DSP_A:
462 		iface |= 0x0003;
463 		break;
464 	case SND_SOC_DAIFMT_DSP_B:
465 		iface |= 0x0013;
466 		break;
467 	default:
468 		return -EINVAL;
469 	}
470 
471 	/* clock inversion */
472 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
473 	case SND_SOC_DAIFMT_NB_NF:
474 		break;
475 	case SND_SOC_DAIFMT_IB_IF:
476 		iface |= 0x0090;
477 		break;
478 	case SND_SOC_DAIFMT_IB_NF:
479 		iface |= 0x0080;
480 		break;
481 	case SND_SOC_DAIFMT_NB_IF:
482 		iface |= 0x0010;
483 		break;
484 	default:
485 		return -EINVAL;
486 	}
487 
488 	/* set iface */
489 	snd_soc_write(codec, WM8960_IFACE1, iface);
490 	return 0;
491 }
492 
493 static struct {
494 	int rate;
495 	unsigned int val;
496 } alc_rates[] = {
497 	{ 48000, 0 },
498 	{ 44100, 0 },
499 	{ 32000, 1 },
500 	{ 22050, 2 },
501 	{ 24000, 2 },
502 	{ 16000, 3 },
503 	{ 11250, 4 },
504 	{ 12000, 4 },
505 	{  8000, 5 },
506 };
507 
508 static int wm8960_hw_params(struct snd_pcm_substream *substream,
509 			    struct snd_pcm_hw_params *params,
510 			    struct snd_soc_dai *dai)
511 {
512 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
513 	struct snd_soc_codec *codec = rtd->codec;
514 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
515 	u16 iface = snd_soc_read(codec, WM8960_IFACE1) & 0xfff3;
516 	int i;
517 
518 	/* bit size */
519 	switch (params_format(params)) {
520 	case SNDRV_PCM_FORMAT_S16_LE:
521 		break;
522 	case SNDRV_PCM_FORMAT_S20_3LE:
523 		iface |= 0x0004;
524 		break;
525 	case SNDRV_PCM_FORMAT_S24_LE:
526 		iface |= 0x0008;
527 		break;
528 	}
529 
530 	/* Update filters for the new rate */
531 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
532 		wm8960->playback_fs = params_rate(params);
533 		wm8960_set_deemph(codec);
534 	} else {
535 		for (i = 0; i < ARRAY_SIZE(alc_rates); i++)
536 			if (alc_rates[i].rate == params_rate(params))
537 				snd_soc_update_bits(codec,
538 						    WM8960_ADDCTL3, 0x7,
539 						    alc_rates[i].val);
540 	}
541 
542 	/* set iface */
543 	snd_soc_write(codec, WM8960_IFACE1, iface);
544 	return 0;
545 }
546 
547 static int wm8960_mute(struct snd_soc_dai *dai, int mute)
548 {
549 	struct snd_soc_codec *codec = dai->codec;
550 	u16 mute_reg = snd_soc_read(codec, WM8960_DACCTL1) & 0xfff7;
551 
552 	if (mute)
553 		snd_soc_write(codec, WM8960_DACCTL1, mute_reg | 0x8);
554 	else
555 		snd_soc_write(codec, WM8960_DACCTL1, mute_reg);
556 	return 0;
557 }
558 
559 static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec,
560 				      enum snd_soc_bias_level level)
561 {
562 	u16 reg;
563 
564 	switch (level) {
565 	case SND_SOC_BIAS_ON:
566 		break;
567 
568 	case SND_SOC_BIAS_PREPARE:
569 		/* Set VMID to 2x50k */
570 		reg = snd_soc_read(codec, WM8960_POWER1);
571 		reg &= ~0x180;
572 		reg |= 0x80;
573 		snd_soc_write(codec, WM8960_POWER1, reg);
574 		break;
575 
576 	case SND_SOC_BIAS_STANDBY:
577 		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
578 			/* Enable anti-pop features */
579 			snd_soc_write(codec, WM8960_APOP1,
580 				      WM8960_POBCTRL | WM8960_SOFT_ST |
581 				      WM8960_BUFDCOPEN | WM8960_BUFIOEN);
582 
583 			/* Enable & ramp VMID at 2x50k */
584 			reg = snd_soc_read(codec, WM8960_POWER1);
585 			reg |= 0x80;
586 			snd_soc_write(codec, WM8960_POWER1, reg);
587 			msleep(100);
588 
589 			/* Enable VREF */
590 			snd_soc_write(codec, WM8960_POWER1, reg | WM8960_VREF);
591 
592 			/* Disable anti-pop features */
593 			snd_soc_write(codec, WM8960_APOP1, WM8960_BUFIOEN);
594 		}
595 
596 		/* Set VMID to 2x250k */
597 		reg = snd_soc_read(codec, WM8960_POWER1);
598 		reg &= ~0x180;
599 		reg |= 0x100;
600 		snd_soc_write(codec, WM8960_POWER1, reg);
601 		break;
602 
603 	case SND_SOC_BIAS_OFF:
604 		/* Enable anti-pop features */
605 		snd_soc_write(codec, WM8960_APOP1,
606 			     WM8960_POBCTRL | WM8960_SOFT_ST |
607 			     WM8960_BUFDCOPEN | WM8960_BUFIOEN);
608 
609 		/* Disable VMID and VREF, let them discharge */
610 		snd_soc_write(codec, WM8960_POWER1, 0);
611 		msleep(600);
612 		break;
613 	}
614 
615 	codec->dapm.bias_level = level;
616 
617 	return 0;
618 }
619 
620 static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec,
621 					 enum snd_soc_bias_level level)
622 {
623 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
624 	int reg;
625 
626 	switch (level) {
627 	case SND_SOC_BIAS_ON:
628 		break;
629 
630 	case SND_SOC_BIAS_PREPARE:
631 		switch (codec->dapm.bias_level) {
632 		case SND_SOC_BIAS_STANDBY:
633 			/* Enable anti pop mode */
634 			snd_soc_update_bits(codec, WM8960_APOP1,
635 					    WM8960_POBCTRL | WM8960_SOFT_ST |
636 					    WM8960_BUFDCOPEN,
637 					    WM8960_POBCTRL | WM8960_SOFT_ST |
638 					    WM8960_BUFDCOPEN);
639 
640 			/* Enable LOUT1, ROUT1 and OUT3 if they're enabled */
641 			reg = 0;
642 			if (wm8960->lout1 && wm8960->lout1->power)
643 				reg |= WM8960_PWR2_LOUT1;
644 			if (wm8960->rout1 && wm8960->rout1->power)
645 				reg |= WM8960_PWR2_ROUT1;
646 			if (wm8960->out3 && wm8960->out3->power)
647 				reg |= WM8960_PWR2_OUT3;
648 			snd_soc_update_bits(codec, WM8960_POWER2,
649 					    WM8960_PWR2_LOUT1 |
650 					    WM8960_PWR2_ROUT1 |
651 					    WM8960_PWR2_OUT3, reg);
652 
653 			/* Enable VMID at 2*50k */
654 			snd_soc_update_bits(codec, WM8960_POWER1,
655 					    WM8960_VMID_MASK, 0x80);
656 
657 			/* Ramp */
658 			msleep(100);
659 
660 			/* Enable VREF */
661 			snd_soc_update_bits(codec, WM8960_POWER1,
662 					    WM8960_VREF, WM8960_VREF);
663 
664 			msleep(100);
665 			break;
666 
667 		case SND_SOC_BIAS_ON:
668 			/* Enable anti-pop mode */
669 			snd_soc_update_bits(codec, WM8960_APOP1,
670 					    WM8960_POBCTRL | WM8960_SOFT_ST |
671 					    WM8960_BUFDCOPEN,
672 					    WM8960_POBCTRL | WM8960_SOFT_ST |
673 					    WM8960_BUFDCOPEN);
674 
675 			/* Disable VMID and VREF */
676 			snd_soc_update_bits(codec, WM8960_POWER1,
677 					    WM8960_VREF | WM8960_VMID_MASK, 0);
678 			break;
679 
680 		default:
681 			break;
682 		}
683 		break;
684 
685 	case SND_SOC_BIAS_STANDBY:
686 		switch (codec->dapm.bias_level) {
687 		case SND_SOC_BIAS_PREPARE:
688 			/* Disable HP discharge */
689 			snd_soc_update_bits(codec, WM8960_APOP2,
690 					    WM8960_DISOP | WM8960_DRES_MASK,
691 					    0);
692 
693 			/* Disable anti-pop features */
694 			snd_soc_update_bits(codec, WM8960_APOP1,
695 					    WM8960_POBCTRL | WM8960_SOFT_ST |
696 					    WM8960_BUFDCOPEN,
697 					    WM8960_POBCTRL | WM8960_SOFT_ST |
698 					    WM8960_BUFDCOPEN);
699 			break;
700 
701 		default:
702 			break;
703 		}
704 		break;
705 
706 	case SND_SOC_BIAS_OFF:
707 		break;
708 	}
709 
710 	codec->dapm.bias_level = level;
711 
712 	return 0;
713 }
714 
715 /* PLL divisors */
716 struct _pll_div {
717 	u32 pre_div:1;
718 	u32 n:4;
719 	u32 k:24;
720 };
721 
722 /* The size in bits of the pll divide multiplied by 10
723  * to allow rounding later */
724 #define FIXED_PLL_SIZE ((1 << 24) * 10)
725 
726 static int pll_factors(unsigned int source, unsigned int target,
727 		       struct _pll_div *pll_div)
728 {
729 	unsigned long long Kpart;
730 	unsigned int K, Ndiv, Nmod;
731 
732 	pr_debug("WM8960 PLL: setting %dHz->%dHz\n", source, target);
733 
734 	/* Scale up target to PLL operating frequency */
735 	target *= 4;
736 
737 	Ndiv = target / source;
738 	if (Ndiv < 6) {
739 		source >>= 1;
740 		pll_div->pre_div = 1;
741 		Ndiv = target / source;
742 	} else
743 		pll_div->pre_div = 0;
744 
745 	if ((Ndiv < 6) || (Ndiv > 12)) {
746 		pr_err("WM8960 PLL: Unsupported N=%d\n", Ndiv);
747 		return -EINVAL;
748 	}
749 
750 	pll_div->n = Ndiv;
751 	Nmod = target % source;
752 	Kpart = FIXED_PLL_SIZE * (long long)Nmod;
753 
754 	do_div(Kpart, source);
755 
756 	K = Kpart & 0xFFFFFFFF;
757 
758 	/* Check if we need to round */
759 	if ((K % 10) >= 5)
760 		K += 5;
761 
762 	/* Move down to proper range now rounding is done */
763 	K /= 10;
764 
765 	pll_div->k = K;
766 
767 	pr_debug("WM8960 PLL: N=%x K=%x pre_div=%d\n",
768 		 pll_div->n, pll_div->k, pll_div->pre_div);
769 
770 	return 0;
771 }
772 
773 static int wm8960_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
774 		int source, unsigned int freq_in, unsigned int freq_out)
775 {
776 	struct snd_soc_codec *codec = codec_dai->codec;
777 	u16 reg;
778 	static struct _pll_div pll_div;
779 	int ret;
780 
781 	if (freq_in && freq_out) {
782 		ret = pll_factors(freq_in, freq_out, &pll_div);
783 		if (ret != 0)
784 			return ret;
785 	}
786 
787 	/* Disable the PLL: even if we are changing the frequency the
788 	 * PLL needs to be disabled while we do so. */
789 	snd_soc_write(codec, WM8960_CLOCK1,
790 		     snd_soc_read(codec, WM8960_CLOCK1) & ~1);
791 	snd_soc_write(codec, WM8960_POWER2,
792 		     snd_soc_read(codec, WM8960_POWER2) & ~1);
793 
794 	if (!freq_in || !freq_out)
795 		return 0;
796 
797 	reg = snd_soc_read(codec, WM8960_PLL1) & ~0x3f;
798 	reg |= pll_div.pre_div << 4;
799 	reg |= pll_div.n;
800 
801 	if (pll_div.k) {
802 		reg |= 0x20;
803 
804 		snd_soc_write(codec, WM8960_PLL2, (pll_div.k >> 18) & 0x3f);
805 		snd_soc_write(codec, WM8960_PLL3, (pll_div.k >> 9) & 0x1ff);
806 		snd_soc_write(codec, WM8960_PLL4, pll_div.k & 0x1ff);
807 	}
808 	snd_soc_write(codec, WM8960_PLL1, reg);
809 
810 	/* Turn it on */
811 	snd_soc_write(codec, WM8960_POWER2,
812 		     snd_soc_read(codec, WM8960_POWER2) | 1);
813 	msleep(250);
814 	snd_soc_write(codec, WM8960_CLOCK1,
815 		     snd_soc_read(codec, WM8960_CLOCK1) | 1);
816 
817 	return 0;
818 }
819 
820 static int wm8960_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
821 		int div_id, int div)
822 {
823 	struct snd_soc_codec *codec = codec_dai->codec;
824 	u16 reg;
825 
826 	switch (div_id) {
827 	case WM8960_SYSCLKDIV:
828 		reg = snd_soc_read(codec, WM8960_CLOCK1) & 0x1f9;
829 		snd_soc_write(codec, WM8960_CLOCK1, reg | div);
830 		break;
831 	case WM8960_DACDIV:
832 		reg = snd_soc_read(codec, WM8960_CLOCK1) & 0x1c7;
833 		snd_soc_write(codec, WM8960_CLOCK1, reg | div);
834 		break;
835 	case WM8960_OPCLKDIV:
836 		reg = snd_soc_read(codec, WM8960_PLL1) & 0x03f;
837 		snd_soc_write(codec, WM8960_PLL1, reg | div);
838 		break;
839 	case WM8960_DCLKDIV:
840 		reg = snd_soc_read(codec, WM8960_CLOCK2) & 0x03f;
841 		snd_soc_write(codec, WM8960_CLOCK2, reg | div);
842 		break;
843 	case WM8960_TOCLKSEL:
844 		reg = snd_soc_read(codec, WM8960_ADDCTL1) & 0x1fd;
845 		snd_soc_write(codec, WM8960_ADDCTL1, reg | div);
846 		break;
847 	default:
848 		return -EINVAL;
849 	}
850 
851 	return 0;
852 }
853 
854 static int wm8960_set_bias_level(struct snd_soc_codec *codec,
855 				 enum snd_soc_bias_level level)
856 {
857 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
858 
859 	return wm8960->set_bias_level(codec, level);
860 }
861 
862 #define WM8960_RATES SNDRV_PCM_RATE_8000_48000
863 
864 #define WM8960_FORMATS \
865 	(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
866 	SNDRV_PCM_FMTBIT_S24_LE)
867 
868 static struct snd_soc_dai_ops wm8960_dai_ops = {
869 	.hw_params = wm8960_hw_params,
870 	.digital_mute = wm8960_mute,
871 	.set_fmt = wm8960_set_dai_fmt,
872 	.set_clkdiv = wm8960_set_dai_clkdiv,
873 	.set_pll = wm8960_set_dai_pll,
874 };
875 
876 static struct snd_soc_dai_driver wm8960_dai = {
877 	.name = "wm8960-hifi",
878 	.playback = {
879 		.stream_name = "Playback",
880 		.channels_min = 1,
881 		.channels_max = 2,
882 		.rates = WM8960_RATES,
883 		.formats = WM8960_FORMATS,},
884 	.capture = {
885 		.stream_name = "Capture",
886 		.channels_min = 1,
887 		.channels_max = 2,
888 		.rates = WM8960_RATES,
889 		.formats = WM8960_FORMATS,},
890 	.ops = &wm8960_dai_ops,
891 	.symmetric_rates = 1,
892 };
893 
894 static int wm8960_suspend(struct snd_soc_codec *codec, pm_message_t state)
895 {
896 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
897 
898 	wm8960->set_bias_level(codec, SND_SOC_BIAS_OFF);
899 	return 0;
900 }
901 
902 static int wm8960_resume(struct snd_soc_codec *codec)
903 {
904 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
905 	int i;
906 	u8 data[2];
907 	u16 *cache = codec->reg_cache;
908 
909 	/* Sync reg_cache with the hardware */
910 	for (i = 0; i < ARRAY_SIZE(wm8960_reg); i++) {
911 		data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
912 		data[1] = cache[i] & 0x00ff;
913 		codec->hw_write(codec->control_data, data, 2);
914 	}
915 
916 	wm8960->set_bias_level(codec, SND_SOC_BIAS_STANDBY);
917 	return 0;
918 }
919 
920 static int wm8960_probe(struct snd_soc_codec *codec)
921 {
922 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
923 	struct wm8960_data *pdata = dev_get_platdata(codec->dev);
924 	int ret;
925 	u16 reg;
926 
927 	wm8960->set_bias_level = wm8960_set_bias_level_out3;
928 	codec->control_data = wm8960->control_data;
929 
930 	if (!pdata) {
931 		dev_warn(codec->dev, "No platform data supplied\n");
932 	} else {
933 		if (pdata->dres > WM8960_DRES_MAX) {
934 			dev_err(codec->dev, "Invalid DRES: %d\n", pdata->dres);
935 			pdata->dres = 0;
936 		}
937 
938 		if (pdata->capless)
939 			wm8960->set_bias_level = wm8960_set_bias_level_capless;
940 	}
941 
942 	ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8960->control_type);
943 	if (ret < 0) {
944 		dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
945 		return ret;
946 	}
947 
948 	ret = wm8960_reset(codec);
949 	if (ret < 0) {
950 		dev_err(codec->dev, "Failed to issue reset\n");
951 		return ret;
952 	}
953 
954 	wm8960->set_bias_level(codec, SND_SOC_BIAS_STANDBY);
955 
956 	/* Latch the update bits */
957 	reg = snd_soc_read(codec, WM8960_LINVOL);
958 	snd_soc_write(codec, WM8960_LINVOL, reg | 0x100);
959 	reg = snd_soc_read(codec, WM8960_RINVOL);
960 	snd_soc_write(codec, WM8960_RINVOL, reg | 0x100);
961 	reg = snd_soc_read(codec, WM8960_LADC);
962 	snd_soc_write(codec, WM8960_LADC, reg | 0x100);
963 	reg = snd_soc_read(codec, WM8960_RADC);
964 	snd_soc_write(codec, WM8960_RADC, reg | 0x100);
965 	reg = snd_soc_read(codec, WM8960_LDAC);
966 	snd_soc_write(codec, WM8960_LDAC, reg | 0x100);
967 	reg = snd_soc_read(codec, WM8960_RDAC);
968 	snd_soc_write(codec, WM8960_RDAC, reg | 0x100);
969 	reg = snd_soc_read(codec, WM8960_LOUT1);
970 	snd_soc_write(codec, WM8960_LOUT1, reg | 0x100);
971 	reg = snd_soc_read(codec, WM8960_ROUT1);
972 	snd_soc_write(codec, WM8960_ROUT1, reg | 0x100);
973 	reg = snd_soc_read(codec, WM8960_LOUT2);
974 	snd_soc_write(codec, WM8960_LOUT2, reg | 0x100);
975 	reg = snd_soc_read(codec, WM8960_ROUT2);
976 	snd_soc_write(codec, WM8960_ROUT2, reg | 0x100);
977 
978 	snd_soc_add_controls(codec, wm8960_snd_controls,
979 				     ARRAY_SIZE(wm8960_snd_controls));
980 	wm8960_add_widgets(codec);
981 
982 	return 0;
983 }
984 
985 /* power down chip */
986 static int wm8960_remove(struct snd_soc_codec *codec)
987 {
988 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
989 
990 	wm8960->set_bias_level(codec, SND_SOC_BIAS_OFF);
991 	return 0;
992 }
993 
994 static struct snd_soc_codec_driver soc_codec_dev_wm8960 = {
995 	.probe =	wm8960_probe,
996 	.remove =	wm8960_remove,
997 	.suspend =	wm8960_suspend,
998 	.resume =	wm8960_resume,
999 	.set_bias_level = wm8960_set_bias_level,
1000 	.reg_cache_size = ARRAY_SIZE(wm8960_reg),
1001 	.reg_word_size = sizeof(u16),
1002 	.reg_cache_default = wm8960_reg,
1003 };
1004 
1005 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1006 static __devinit int wm8960_i2c_probe(struct i2c_client *i2c,
1007 				      const struct i2c_device_id *id)
1008 {
1009 	struct wm8960_priv *wm8960;
1010 	int ret;
1011 
1012 	wm8960 = kzalloc(sizeof(struct wm8960_priv), GFP_KERNEL);
1013 	if (wm8960 == NULL)
1014 		return -ENOMEM;
1015 
1016 	i2c_set_clientdata(i2c, wm8960);
1017 	wm8960->control_type = SND_SOC_I2C;
1018 	wm8960->control_data = i2c;
1019 
1020 	ret = snd_soc_register_codec(&i2c->dev,
1021 			&soc_codec_dev_wm8960, &wm8960_dai, 1);
1022 	if (ret < 0)
1023 		kfree(wm8960);
1024 	return ret;
1025 }
1026 
1027 static __devexit int wm8960_i2c_remove(struct i2c_client *client)
1028 {
1029 	snd_soc_unregister_codec(&client->dev);
1030 	kfree(i2c_get_clientdata(client));
1031 	return 0;
1032 }
1033 
1034 static const struct i2c_device_id wm8960_i2c_id[] = {
1035 	{ "wm8960", 0 },
1036 	{ }
1037 };
1038 MODULE_DEVICE_TABLE(i2c, wm8960_i2c_id);
1039 
1040 static struct i2c_driver wm8960_i2c_driver = {
1041 	.driver = {
1042 		.name = "wm8960-codec",
1043 		.owner = THIS_MODULE,
1044 	},
1045 	.probe =    wm8960_i2c_probe,
1046 	.remove =   __devexit_p(wm8960_i2c_remove),
1047 	.id_table = wm8960_i2c_id,
1048 };
1049 #endif
1050 
1051 static int __init wm8960_modinit(void)
1052 {
1053 	int ret = 0;
1054 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1055 	ret = i2c_add_driver(&wm8960_i2c_driver);
1056 	if (ret != 0) {
1057 		printk(KERN_ERR "Failed to register WM8960 I2C driver: %d\n",
1058 		       ret);
1059 	}
1060 #endif
1061 	return ret;
1062 }
1063 module_init(wm8960_modinit);
1064 
1065 static void __exit wm8960_exit(void)
1066 {
1067 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1068 	i2c_del_driver(&wm8960_i2c_driver);
1069 #endif
1070 }
1071 module_exit(wm8960_exit);
1072 
1073 MODULE_DESCRIPTION("ASoC WM8960 driver");
1074 MODULE_AUTHOR("Liam Girdwood");
1075 MODULE_LICENSE("GPL");
1076