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-rw-r--r--meta/recipes-kernel/linux/linux-omap2-git/beagleboard/soc.patch1154
1 files changed, 1154 insertions, 0 deletions
diff --git a/meta/recipes-kernel/linux/linux-omap2-git/beagleboard/soc.patch b/meta/recipes-kernel/linux/linux-omap2-git/beagleboard/soc.patch
new file mode 100644
index 0000000000..f4cce21ca7
--- /dev/null
+++ b/meta/recipes-kernel/linux/linux-omap2-git/beagleboard/soc.patch
@@ -0,0 +1,1154 @@
1diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
2index 3903ab7..468536d 100644
3--- a/sound/soc/codecs/Kconfig
4+++ b/sound/soc/codecs/Kconfig
5@@ -44,3 +44,7 @@ config SND_SOC_CS4270_VD33_ERRATA
6 config SND_SOC_TLV320AIC3X
7 tristate
8 depends on SND_SOC && I2C
9+
10+config SND_SOC_TWL4030
11+ tristate
12+ depends on SND_SOC && I2C
13diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
14index 4e1314c..d2c0b12 100644
15--- a/sound/soc/codecs/Makefile
16+++ b/sound/soc/codecs/Makefile
17@@ -6,6 +6,7 @@ snd-soc-wm9712-objs := wm9712.o
18 snd-soc-wm9713-objs := wm9713.o
19 snd-soc-cs4270-objs := cs4270.o
20 snd-soc-tlv320aic3x-objs := tlv320aic3x.o
21+snd-soc-twl4030-objs := twl4030.o
22
23 obj-$(CONFIG_SND_SOC_AC97_CODEC) += snd-soc-ac97.o
24 obj-$(CONFIG_SND_SOC_WM8731) += snd-soc-wm8731.o
25@@ -15,3 +16,4 @@ obj-$(CONFIG_SND_SOC_WM9712) += snd-soc-wm9712.o
26 obj-$(CONFIG_SND_SOC_WM9713) += snd-soc-wm9713.o
27 obj-$(CONFIG_SND_SOC_CS4270) += snd-soc-cs4270.o
28 obj-$(CONFIG_SND_SOC_TLV320AIC3X) += snd-soc-tlv320aic3x.o
29+obj-$(CONFIG_SND_SOC_TWL4030) += snd-soc-twl4030.o
30diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c
31new file mode 100644
32index 0000000..eb8370c
33--- /dev/null
34+++ b/sound/soc/codecs/twl4030.c
35@@ -0,0 +1,625 @@
36+/*
37+ * ALSA SoC TWL4030 codec driver
38+ *
39+ * Author: Steve Sakoman, <steve@sakoman.com>
40+ *
41+ * This program is free software; you can redistribute it and/or modify
42+ * it under the terms of the GNU General Public License version 2 as
43+ * published by the Free Software Foundation.
44+ */
45+
46+#include <linux/module.h>
47+#include <linux/moduleparam.h>
48+#include <linux/init.h>
49+#include <linux/delay.h>
50+#include <linux/pm.h>
51+#include <linux/i2c.h>
52+#include <linux/platform_device.h>
53+#include <linux/i2c/twl4030.h>
54+#include <sound/core.h>
55+#include <sound/pcm.h>
56+#include <sound/pcm_params.h>
57+#include <sound/soc.h>
58+#include <sound/soc-dapm.h>
59+#include <sound/initval.h>
60+
61+#include "twl4030.h"
62+
63+/*
64+ * twl4030 register cache & default register settings
65+ */
66+static const u8 twl4030_reg[TWL4030_CACHEREGNUM] = {
67+ 0x00, // this register not used
68+ 0x93, // REG_CODEC_MODE (0x1)
69+ 0xc3, // REG_OPTION (0x2)
70+ 0x00, // REG_UNKNOWN (0x3)
71+ 0x00, // REG_MICBIAS_CTL (0x4)
72+ 0x34, // REG_ANAMICL (0x5)
73+ 0x14, // REG_ANAMICR (0x6)
74+ 0x0a, // REG_AVADC_CTL (0x7)
75+ 0x00, // REG_ADCMICSEL (0x8)
76+ 0x00, // REG_DIGMIXING (0x9)
77+ 0x0c, // REG_ATXL1PGA (0xA)
78+ 0x0c, // REG_ATXR1PGA (0xB)
79+ 0x00, // REG_AVTXL2PGA (0xC)
80+ 0x00, // REG_AVTXR2PGA (0xD)
81+ 0x01, // REG_AUDIO_IF (0xE)
82+ 0x00, // REG_VOICE_IF (0xF)
83+ 0x00, // REG_ARXR1PGA (0x10)
84+ 0x00, // REG_ARXL1PGA (0x11)
85+ 0x6c, // REG_ARXR2PGA (0x12)
86+ 0x6c, // REG_ARXL2PGA (0x13)
87+ 0x00, // REG_VRXPGA (0x14)
88+ 0x00, // REG_VSTPGA (0x15)
89+ 0x00, // REG_VRX2ARXPGA (0x16)
90+ 0x0c, // REG_AVDAC_CTL (0x17)
91+ 0x00, // REG_ARX2VTXPGA (0x18)
92+ 0x00, // REG_ARXL1_APGA_CTL (0x19)
93+ 0x00, // REG_ARXR1_APGA_CTL (0x1A)
94+ 0x4b, // REG_ARXL2_APGA_CTL (0x1B)
95+ 0x4b, // REG_ARXR2_APGA_CTL (0x1C)
96+ 0x00, // REG_ATX2ARXPGA (0x1D)
97+ 0x00, // REG_BT_IF (0x1E)
98+ 0x00, // REG_BTPGA (0x1F)
99+ 0x00, // REG_BTSTPGA (0x20)
100+ 0x00, // REG_EAR_CTL (0x21)
101+ 0x24, // REG_HS_SEL (0x22)
102+ 0x0a, // REG_HS_GAIN_SET (0x23)
103+ 0x00, // REG_HS_POPN_SET (0x24)
104+ 0x00, // REG_PREDL_CTL (0x25)
105+ 0x00, // REG_PREDR_CTL (0x26)
106+ 0x00, // REG_PRECKL_CTL (0x27)
107+ 0x00, // REG_PRECKR_CTL (0x28)
108+ 0x00, // REG_HFL_CTL (0x29)
109+ 0x00, // REG_HFR_CTL (0x2A)
110+ 0x00, // REG_ALC_CTL (0x2B)
111+ 0x00, // REG_ALC_SET1 (0x2C)
112+ 0x00, // REG_ALC_SET2 (0x2D)
113+ 0x00, // REG_BOOST_CTL (0x2E)
114+ 0x01, // REG_SOFTVOL_CTL (0x2F)
115+ 0x00, // REG_DTMF_FREQSEL (0x30)
116+ 0x00, // REG_DTMF_TONEXT1H (0x31)
117+ 0x00, // REG_DTMF_TONEXT1L (0x32)
118+ 0x00, // REG_DTMF_TONEXT2H (0x33)
119+ 0x00, // REG_DTMF_TONEXT2L (0x34)
120+ 0x00, // REG_DTMF_TONOFF (0x35)
121+ 0x00, // REG_DTMF_WANONOFF (0x36)
122+ 0x00, // REG_I2S_RX_SCRAMBLE_H (0x37)
123+ 0x00, // REG_I2S_RX_SCRAMBLE_M (0x38)
124+ 0x00, // REG_I2S_RX_SCRAMBLE_L (0x39)
125+ 0x16, // REG_APLL_CTL (0x3A)
126+ 0x00, // REG_DTMF_CTL (0x3B)
127+ 0x00, // REG_DTMF_PGA_CTL2 (0x3C)
128+ 0x00, // REG_DTMF_PGA_CTL1 (0x3D)
129+ 0x00, // REG_MISC_SET_1 (0x3E)
130+ 0x00, // REG_PCMBTMUX (0x3F)
131+ 0x00, // REG_RX_PATH_SEL (0x43)
132+ 0x00, // REG_VDL_APGA_CTL (0x44)
133+ 0x00, // REG_VIBRA_CTL (0x45)
134+ 0x00, // REG_VIBRA_SET (0x46)
135+ 0x00, // REG_VIBRA_PWM_SET (0x47)
136+ 0x00, // REG_ANAMIC_GAIN (0x48)
137+ 0x00, // REG_MISC_SET_2 (0x49)
138+};
139+
140+static void twl4030_dump_registers(void)
141+{
142+ int i = 0;
143+ u8 data;
144+
145+ printk(KERN_INFO "TWL 4030 Register dump for Audio Module\n");
146+
147+ for (i = REG_CODEC_MODE; i <= REG_MISC_SET_2; i++) {
148+ twl4030_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &data, i);
149+ printk(KERN_INFO "Register[0x%02x]=0x%02x\n", i, data);
150+ }
151+}
152+
153+struct twl4030_priv {
154+ unsigned int dummy;
155+};
156+
157+/*
158+ * read twl4030 register cache
159+ */
160+static inline unsigned int twl4030_read_reg_cache(struct snd_soc_codec *codec,
161+ unsigned int reg)
162+{
163+ u8 *cache = codec->reg_cache;
164+
165+ return cache[reg];
166+}
167+
168+/*
169+ * write twl4030 register cache
170+ */
171+static inline void twl4030_write_reg_cache(struct snd_soc_codec *codec,
172+ u8 reg, u8 value)
173+{
174+ u8 *cache = codec->reg_cache;
175+
176+ if (reg >= TWL4030_CACHEREGNUM)
177+ return;
178+ cache[reg] = value;
179+}
180+
181+/*
182+ * write to the twl4030 register space
183+ */
184+static int twl4030_write(struct snd_soc_codec *codec,
185+ unsigned int reg, unsigned int value)
186+{
187+ twl4030_write_reg_cache(codec, reg, value);
188+ return twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, value, reg);
189+}
190+
191+static void twl4030_init_chip(void)
192+{
193+ unsigned char byte;
194+ int i;
195+
196+ twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
197+ twl4030_reg[REG_CODEC_MODE] & 0xfd, REG_CODEC_MODE);
198+
199+ udelay(10); /* delay for power settling */
200+
201+ for (i = REG_OPTION; i <= REG_MISC_SET_2; i++) {
202+ twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, twl4030_reg[i], i);
203+ }
204+
205+ twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
206+ twl4030_reg[REG_CODEC_MODE], REG_CODEC_MODE);
207+
208+ udelay(10); /* delay for power settling */
209+
210+ /* initiate offset cancellation */
211+ twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
212+ twl4030_reg[REG_ANAMICL] | 0x80, REG_ANAMICL);
213+
214+ /* wait for offset cancellation to complete */
215+ twl4030_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte, REG_ANAMICL);
216+ while ((byte & 0x80) == 0x80)
217+ twl4030_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte, REG_ANAMICL);
218+
219+ twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
220+ twl4030_reg[REG_MISC_SET_1] | 0x02, REG_MISC_SET_1);
221+
222+}
223+
224+static const struct snd_kcontrol_new twl4030_snd_controls[] = {
225+ SOC_DOUBLE_R("Master Playback Volume",
226+ REG_ARXL2PGA, REG_ARXR2PGA,
227+ 0, 127, 0),
228+ SOC_DOUBLE_R("Capture Volume",
229+ REG_ATXL1PGA, REG_ATXR1PGA,
230+ 0, 127, 0),
231+};
232+
233+/* add non dapm controls */
234+static int twl4030_add_controls(struct snd_soc_codec *codec)
235+{
236+ int err, i;
237+
238+ for (i = 0; i < ARRAY_SIZE(twl4030_snd_controls); i++) {
239+ err = snd_ctl_add(codec->card,
240+ snd_soc_cnew(&twl4030_snd_controls[i],
241+ codec, NULL));
242+ if (err < 0)
243+ return err;
244+ }
245+
246+ return 0;
247+}
248+
249+static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
250+ SND_SOC_DAPM_INPUT("INL"),
251+ SND_SOC_DAPM_INPUT("INR"),
252+
253+ SND_SOC_DAPM_OUTPUT("OUTL"),
254+ SND_SOC_DAPM_OUTPUT("OUTR"),
255+
256+ SND_SOC_DAPM_DAC("DACL", "Left Playback", SND_SOC_NOPM, 0, 0),
257+ SND_SOC_DAPM_DAC("DACR", "Right Playback", SND_SOC_NOPM, 0, 0),
258+
259+ SND_SOC_DAPM_ADC("ADCL", "Left Capture", SND_SOC_NOPM, 0, 0),
260+ SND_SOC_DAPM_ADC("ADCR", "Right Capture", SND_SOC_NOPM, 0, 0),
261+};
262+
263+static const char *intercon[][3] = {
264+ /* outputs */
265+ {"OUTL", NULL, "DACL"},
266+ {"OUTR", NULL, "DACR"},
267+
268+ /* inputs */
269+ {"ADCL", NULL, "INL"},
270+ {"ADCR", NULL, "INR"},
271+
272+ /* terminator */
273+ {NULL, NULL, NULL},
274+};
275+
276+static int twl4030_add_widgets(struct snd_soc_codec *codec)
277+{
278+ int i;
279+
280+ for (i = 0; i < ARRAY_SIZE(twl4030_dapm_widgets); i++)
281+ snd_soc_dapm_new_control(codec, &twl4030_dapm_widgets[i]);
282+
283+ /* set up audio path interconnects */
284+ for (i = 0; intercon[i][0] != NULL; i++)
285+ snd_soc_dapm_connect_input(codec, intercon[i][0],
286+ intercon[i][1], intercon[i][2]);
287+
288+ snd_soc_dapm_new_widgets(codec);
289+ return 0;
290+}
291+
292+static int twl4030_dapm_event(struct snd_soc_codec *codec, int event)
293+{
294+
295+ printk(KERN_INFO "TWL4030 Audio Codec dapm event\n");
296+ switch (event) {
297+ case SNDRV_CTL_POWER_D0: /* full On */
298+ break;
299+ case SNDRV_CTL_POWER_D1: /* partial On */
300+ case SNDRV_CTL_POWER_D2: /* partial On */
301+ break;
302+ case SNDRV_CTL_POWER_D3hot: /* off, with power */
303+ break;
304+ case SNDRV_CTL_POWER_D3cold: /* off, without power */
305+ break;
306+ }
307+ codec->dapm_state = event;
308+
309+ return 0;
310+}
311+
312+static void twl4030_power_up (struct snd_soc_codec *codec, u8 mode)
313+{
314+ u8 popn, hsgain;
315+
316+ twl4030_write(codec, REG_CODEC_MODE, mode & ~CODECPDZ);
317+ twl4030_write(codec, REG_CODEC_MODE, mode | CODECPDZ);
318+ udelay(10);
319+
320+ popn = twl4030_read_reg_cache(codec, REG_HS_POPN_SET);
321+ popn &= RAMP_DELAY;
322+ popn |= VMID_EN | RAMP_DELAY_161MS;
323+ twl4030_write(codec, REG_HS_POPN_SET, popn);
324+
325+ hsgain = HSR_GAIN_0DB| HSL_GAIN_0DB;
326+ twl4030_write(codec, REG_HS_GAIN_SET, hsgain);
327+
328+ popn |= RAMP_EN;
329+ twl4030_write(codec, REG_HS_POPN_SET, popn);
330+}
331+
332+static void twl4030_power_down (struct snd_soc_codec *codec)
333+{
334+ u8 popn, hsgain, mode;
335+
336+ popn = twl4030_read_reg_cache(codec, REG_HS_POPN_SET);
337+ popn &= ~RAMP_EN;
338+ twl4030_write(codec, REG_HS_POPN_SET, popn);
339+
340+ hsgain = HSR_GAIN_PWR_DOWN | HSL_GAIN_PWR_DOWN;
341+ twl4030_write(codec, REG_HS_GAIN_SET, hsgain);
342+
343+ popn &= ~VMID_EN;
344+ twl4030_write(codec, REG_HS_POPN_SET, popn);
345+
346+ mode = twl4030_read_reg_cache(codec, REG_CODEC_MODE);
347+ mode &= ~CODECPDZ;
348+ twl4030_write(codec, REG_CODEC_MODE, mode);
349+ udelay(10);
350+}
351+
352+
353+static int twl4030_hw_params(struct snd_pcm_substream *substream,
354+ struct snd_pcm_hw_params *params)
355+{
356+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
357+ struct snd_soc_device *socdev = rtd->socdev;
358+ struct snd_soc_codec *codec = socdev->codec;
359+ struct twl4030_priv *twl4030 = codec->private_data;
360+ u8 mode, old_mode, format, old_format;
361+
362+
363+ /* bit rate */
364+ old_mode = twl4030_read_reg_cache(codec, REG_CODEC_MODE) & ~CODECPDZ;
365+ mode = old_mode;
366+ mode &= ~APLL_RATE;
367+ switch (params_rate(params)) {
368+ case 44100:
369+ mode |= APLL_RATE_44100;
370+ break;
371+ case 48000:
372+ mode |= APLL_RATE_48000;
373+ break;
374+ default:
375+ printk(KERN_INFO "TWL4030 hw params: unknown rate %d\n", params_rate(params));
376+ return -EINVAL;
377+ }
378+
379+ if (mode != old_mode) {
380+ /* change rate and turn codec back on */
381+ twl4030_write(codec, REG_CODEC_MODE, mode);
382+ mode |= CODECPDZ;
383+ twl4030_write(codec, REG_CODEC_MODE, mode);
384+ }
385+
386+ /* sample size */
387+ old_format = twl4030_read_reg_cache(codec, REG_AUDIO_IF);
388+ format = old_format;
389+ format &= ~DATA_WIDTH;
390+ switch (params_format(params)) {
391+ case SNDRV_PCM_FORMAT_S16_LE:
392+ format |= DATA_WIDTH_16S_16W;
393+ break;
394+ case SNDRV_PCM_FORMAT_S24_LE:
395+ format |= DATA_WIDTH_32S_24W;
396+ break;
397+ default:
398+ printk(KERN_INFO "TWL4030 hw params: unknown format %d\n", params_format(params));
399+ return -EINVAL;
400+ }
401+
402+ if (format != old_format) {
403+
404+ /* turn off codec before changing format */
405+ mode = twl4030_read_reg_cache(codec, REG_CODEC_MODE);
406+ mode &= ~CODECPDZ;
407+ twl4030_write(codec, REG_CODEC_MODE, mode);
408+
409+ /* change format */
410+ twl4030_write(codec, REG_AUDIO_IF, format);
411+
412+ /* turn on codec */
413+ mode |= CODECPDZ;
414+ twl4030_write(codec, REG_CODEC_MODE, mode);
415+ }
416+ return 0;
417+}
418+
419+static int twl4030_mute(struct snd_soc_codec_dai *dai, int mute)
420+{
421+ struct snd_soc_codec *codec = dai->codec;
422+
423+ u8 ldac_reg = twl4030_read_reg_cache(codec, REG_ARXL2PGA);
424+ u8 rdac_reg = twl4030_read_reg_cache(codec, REG_ARXR2PGA);
425+
426+ if (mute) {
427+ /* printk(KERN_INFO "TWL4030 Audio Codec mute\n"); */
428+ twl4030_write(codec, REG_ARXL2PGA, 0x00);
429+ twl4030_write(codec, REG_ARXR2PGA, 0x00);
430+ twl4030_write_reg_cache(codec, REG_ARXL2PGA, ldac_reg);
431+ twl4030_write_reg_cache(codec, REG_ARXR2PGA, rdac_reg);
432+ }
433+ else {
434+ /* printk(KERN_INFO "TWL4030 Audio Codec unmute: %02x/%02x\n", ldac_reg, rdac_reg); */
435+ twl4030_write(codec, REG_ARXL2PGA, ldac_reg);
436+ twl4030_write(codec, REG_ARXR2PGA, rdac_reg);
437+ }
438+
439+ return 0;
440+}
441+
442+static int twl4030_set_dai_fmt(struct snd_soc_codec_dai *codec_dai,
443+ unsigned int fmt)
444+{
445+ struct snd_soc_codec *codec = codec_dai->codec;
446+ struct twl4030_priv *twl4030 = codec->private_data;
447+ u8 mode, old_format, format;
448+
449+ /* get format */
450+ old_format = twl4030_read_reg_cache(codec, REG_AUDIO_IF);
451+ format = old_format;
452+
453+ /* set master/slave audio interface */
454+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
455+ case SND_SOC_DAIFMT_CBM_CFM:
456+ /* printk(KERN_INFO "TWL4030 set dai fmt: master\n"); */
457+ format &= ~(AIF_SLAVE_EN);
458+ format |= CLK256FS_EN;
459+ break;
460+ case SND_SOC_DAIFMT_CBS_CFS:
461+ /* printk(KERN_INFO "TWL4030 set dai fmt: slave\n"); */
462+ format &= ~(CLK256FS_EN);
463+ format |= AIF_SLAVE_EN;
464+ break;
465+ default:
466+ return -EINVAL;
467+ }
468+
469+ /* interface format */
470+ format &= ~AIF_FORMAT;
471+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
472+ case SND_SOC_DAIFMT_I2S:
473+ /* printk(KERN_INFO "TWL4030 set dai fmt: i2s\n"); */
474+ format |= AIF_FORMAT_CODEC;
475+ break;
476+ default:
477+ return -EINVAL;
478+ }
479+
480+ if (format != old_format) {
481+
482+ /* turn off codec before changing format */
483+ mode = twl4030_read_reg_cache(codec, REG_CODEC_MODE);
484+ mode &= ~CODECPDZ;
485+ twl4030_write(codec, REG_CODEC_MODE, mode);
486+
487+ /* change format */
488+ twl4030_write(codec, REG_AUDIO_IF, format);
489+
490+ mode |= CODECPDZ;
491+ twl4030_write(codec, REG_CODEC_MODE, mode);
492+ }
493+
494+ return 0;
495+}
496+
497+#define TWL4030_RATES SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000
498+#define TWL4030_FORMATS SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FORMAT_S24_LE
499+
500+struct snd_soc_codec_dai twl4030_dai = {
501+ .name = "twl4030",
502+ .playback = {
503+ .stream_name = "Playback",
504+ .channels_min = 2,
505+ .channels_max = 2,
506+ .rates = TWL4030_RATES,
507+ .formats = TWL4030_FORMATS,},
508+ .capture = {
509+ .stream_name = "Capture",
510+ .channels_min = 2,
511+ .channels_max = 2,
512+ .rates = TWL4030_RATES,
513+ .formats = TWL4030_FORMATS,},
514+ .ops = {
515+ .hw_params = twl4030_hw_params,
516+ },
517+ .dai_ops = {
518+ .digital_mute = twl4030_mute,
519+ .set_fmt = twl4030_set_dai_fmt,
520+ }
521+};
522+
523+EXPORT_SYMBOL_GPL(twl4030_dai);
524+
525+static int twl4030_suspend(struct platform_device *pdev, pm_message_t state)
526+{
527+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
528+ struct snd_soc_codec *codec = socdev->codec;
529+
530+ printk(KERN_INFO "TWL4030 Audio Codec suspend\n");
531+ twl4030_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
532+
533+ return 0;
534+}
535+
536+static int twl4030_resume(struct platform_device *pdev)
537+{
538+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
539+ struct snd_soc_codec *codec = socdev->codec;
540+ int i;
541+ u16 *cache = codec->reg_cache;
542+
543+ printk(KERN_INFO "TWL4030 Audio Codec resume\n");
544+ /* Sync reg_cache with the hardware */
545+ for (i = REG_CODEC_MODE; i <= REG_MISC_SET_2; i++) {
546+ twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, cache[i], i);
547+ }
548+ twl4030_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
549+ twl4030_dapm_event(codec, codec->suspend_dapm_state);
550+ return 0;
551+}
552+
553+/*
554+ * initialize the driver
555+ * register the mixer and dsp interfaces with the kernel
556+ */
557+
558+static int twl4030_init(struct snd_soc_device *socdev)
559+{
560+ struct snd_soc_codec *codec = socdev->codec;
561+ int ret = 0;
562+
563+ printk(KERN_INFO "TWL4030 Audio Codec init \n");
564+
565+ codec->name = "twl4030";
566+ codec->owner = THIS_MODULE;
567+ codec->read = twl4030_read_reg_cache;
568+ codec->write = twl4030_write;
569+ codec->dapm_event = twl4030_dapm_event;
570+ codec->dai = &twl4030_dai;
571+ codec->num_dai = 1;
572+ codec->reg_cache_size = sizeof(twl4030_reg);
573+ codec->reg_cache = kmemdup(twl4030_reg, sizeof(twl4030_reg), GFP_KERNEL);
574+ if (codec->reg_cache == NULL)
575+ return -ENOMEM;
576+
577+ /* register pcms */
578+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
579+ if (ret < 0) {
580+ printk(KERN_ERR "twl4030: failed to create pcms\n");
581+ goto pcm_err;
582+ }
583+
584+ twl4030_add_controls(codec);
585+ twl4030_add_widgets(codec);
586+
587+ ret = snd_soc_register_card(socdev);
588+ if (ret < 0) {
589+ printk(KERN_ERR "twl4030: failed to register card\n");
590+ goto card_err;
591+ }
592+
593+ twl4030_init_chip();
594+ twl4030_power_up(codec, APLL_RATE_44100 | OPT_MODE);
595+
596+ return ret;
597+
598+card_err:
599+ printk(KERN_INFO "TWL4030 Audio Codec init card error\n");
600+ snd_soc_free_pcms(socdev);
601+ snd_soc_dapm_free(socdev);
602+pcm_err:
603+ printk(KERN_INFO "TWL4030 Audio Codec init pcm error\n");
604+ kfree(codec->reg_cache);
605+ return ret;
606+}
607+
608+static struct snd_soc_device *twl4030_socdev;
609+
610+static int twl4030_probe(struct platform_device *pdev)
611+{
612+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
613+ struct snd_soc_codec *codec;
614+ struct twl4030_priv *twl4030;
615+
616+ codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
617+ if (codec == NULL)
618+ return -ENOMEM;
619+
620+ twl4030 = kzalloc(sizeof(struct twl4030_priv), GFP_KERNEL);
621+ if (twl4030 == NULL) {
622+ kfree(codec);
623+ return -ENOMEM;
624+ }
625+
626+ codec->private_data = twl4030;
627+ socdev->codec = codec;
628+ mutex_init(&codec->mutex);
629+ INIT_LIST_HEAD(&codec->dapm_widgets);
630+ INIT_LIST_HEAD(&codec->dapm_paths);
631+
632+ twl4030_socdev = socdev;
633+ twl4030_init(socdev);
634+
635+ return 0;
636+}
637+
638+static int twl4030_remove(struct platform_device *pdev)
639+{
640+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
641+ struct snd_soc_codec *codec = socdev->codec;
642+
643+ printk(KERN_INFO "TWL4030 Audio Codec remove\n");
644+ kfree(codec->private_data);
645+ kfree(codec);
646+
647+ return 0;
648+}
649+
650+struct snd_soc_codec_device soc_codec_dev_twl4030 = {
651+ .probe = twl4030_probe,
652+ .remove = twl4030_remove,
653+ .suspend = twl4030_suspend,
654+ .resume = twl4030_resume,
655+};
656+EXPORT_SYMBOL_GPL(soc_codec_dev_twl4030);
657+
658+MODULE_DESCRIPTION("ASoC TWL4030 codec driver");
659+MODULE_AUTHOR("Steve Sakoman");
660+MODULE_LICENSE("GPL");
661diff --git a/sound/soc/codecs/twl4030.h b/sound/soc/codecs/twl4030.h
662new file mode 100644
663index 0000000..e126f96
664--- /dev/null
665+++ b/sound/soc/codecs/twl4030.h
666@@ -0,0 +1,152 @@
667+/*
668+ * ALSA SoC TWL4030 codec driver
669+ *
670+ * Author: Steve Sakoman, <steve@sakoman.com>
671+ *
672+ * This program is free software; you can redistribute it and/or modify
673+ * it under the terms of the GNU General Public License version 2 as
674+ * published by the Free Software Foundation.
675+ */
676+
677+#ifndef __TWL4030_AUDIO_H__
678+#define __TWL4030_AUDIO_H__
679+
680+#define REG_CODEC_MODE 0x1
681+#define REG_OPTION 0x2
682+#define REG_UNKNOWN 0x3
683+#define REG_MICBIAS_CTL 0x4
684+#define REG_ANAMICL 0x5
685+#define REG_ANAMICR 0x6
686+#define REG_AVADC_CTL 0x7
687+#define REG_ADCMICSEL 0x8
688+#define REG_DIGMIXING 0x9
689+#define REG_ATXL1PGA 0xA
690+#define REG_ATXR1PGA 0xB
691+#define REG_AVTXL2PGA 0xC
692+#define REG_AVTXR2PGA 0xD
693+#define REG_AUDIO_IF 0xE
694+#define REG_VOICE_IF 0xF
695+#define REG_ARXR1PGA 0x10
696+#define REG_ARXL1PGA 0x11
697+#define REG_ARXR2PGA 0x12
698+#define REG_ARXL2PGA 0x13
699+#define REG_VRXPGA 0x14
700+#define REG_VSTPGA 0x15
701+#define REG_VRX2ARXPGA 0x16
702+#define REG_AVDAC_CTL 0x17
703+#define REG_ARX2VTXPGA 0x18
704+#define REG_ARXL1_APGA_CTL 0x19
705+#define REG_ARXR1_APGA_CTL 0x1A
706+#define REG_ARXL2_APGA_CTL 0x1B
707+#define REG_ARXR2_APGA_CTL 0x1C
708+#define REG_ATX2ARXPGA 0x1D
709+#define REG_BT_IF 0x1E
710+#define REG_BTPGA 0x1F
711+#define REG_BTSTPGA 0x20
712+#define REG_EAR_CTL 0x21
713+#define REG_HS_SEL 0x22
714+#define REG_HS_GAIN_SET 0x23
715+#define REG_HS_POPN_SET 0x24
716+#define REG_PREDL_CTL 0x25
717+#define REG_PREDR_CTL 0x26
718+#define REG_PRECKL_CTL 0x27
719+#define REG_PRECKR_CTL 0x28
720+#define REG_HFL_CTL 0x29
721+#define REG_HFR_CTL 0x2A
722+#define REG_ALC_CTL 0x2B
723+#define REG_ALC_SET1 0x2C
724+#define REG_ALC_SET2 0x2D
725+#define REG_BOOST_CTL 0x2E
726+#define REG_SOFTVOL_CTL 0x2F
727+#define REG_DTMF_FREQSEL 0x30
728+#define REG_DTMF_TONEXT1H 0x31
729+#define REG_DTMF_TONEXT1L 0x32
730+#define REG_DTMF_TONEXT2H 0x33
731+#define REG_DTMF_TONEXT2L 0x34
732+#define REG_DTMF_TONOFF 0x35
733+#define REG_DTMF_WANONOFF 0x36
734+#define REG_I2S_RX_SCRAMBLE_H 0x37
735+#define REG_I2S_RX_SCRAMBLE_M 0x38
736+#define REG_I2S_RX_SCRAMBLE_L 0x39
737+#define REG_APLL_CTL 0x3A
738+#define REG_DTMF_CTL 0x3B
739+#define REG_DTMF_PGA_CTL2 0x3C
740+#define REG_DTMF_PGA_CTL1 0x3D
741+#define REG_MISC_SET_1 0x3E
742+#define REG_PCMBTMUX 0x3F
743+#define REG_RX_PATH_SEL 0x43
744+#define REG_VDL_APGA_CTL 0x44
745+#define REG_VIBRA_CTL 0x45
746+#define REG_VIBRA_SET 0x46
747+#define REG_VIBRA_PWM_SET 0x47
748+#define REG_ANAMIC_GAIN 0x48
749+#define REG_MISC_SET_2 0x49
750+
751+#define TWL4030_CACHEREGNUM REG_MISC_SET_2 + 1
752+
753+/* Bitfield Definitions */
754+
755+/* CODEC_MODE (0x01) Fields */
756+
757+#define APLL_RATE 0xF0
758+#define APLL_RATE_8000 0x00
759+#define APLL_RATE_11025 0x10
760+#define APLL_RATE_12000 0x20
761+#define APLL_RATE_16000 0x40
762+#define APLL_RATE_22050 0x50
763+#define APLL_RATE_24000 0x60
764+#define APLL_RATE_32000 0x80
765+#define APLL_RATE_44100 0x90
766+#define APLL_RATE_48000 0xa0
767+#define SEL_16K 0x04
768+#define CODECPDZ 0x02
769+#define OPT_MODE 0x01
770+
771+/* AUDIO_IF (0x0E) Fields */
772+
773+#define AIF_SLAVE_EN 0x80
774+#define DATA_WIDTH 0x60
775+#define DATA_WIDTH_16S_16W 0x00
776+#define DATA_WIDTH_32S_16W 0x40
777+#define DATA_WIDTH_32S_24W 0x60
778+#define AIF_FORMAT 0x18
779+#define AIF_FORMAT_CODEC 0x00
780+#define AIF_FORMAT_LEFT 0x08
781+#define AIF_FORMAT_RIGHT 0x10
782+#define AIF_FORMAT_TDM 0x18
783+#define AIF_TRI_EN 0x04
784+#define CLK256FS_EN 0x02
785+#define AIF_EN 0x01
786+
787+/* HS_GAIN_SET (0x23) Fields */
788+
789+#define HSR_GAIN 0x0c
790+#define HSR_GAIN_PWR_DOWN 0x00
791+#define HSR_GAIN_PLUS_6DB 0x04
792+#define HSR_GAIN_0DB 0x08
793+#define HSR_GAIN_MINUS_6DB 0x0c
794+#define HSL_GAIN 0x0c
795+#define HSL_GAIN_PWR_DOWN 0x00
796+#define HSL_GAIN_PLUS_6DB 0x01
797+#define HSL_GAIN_0DB 0x02
798+#define HSL_GAIN_MINUS_6DB 0x03
799+
800+/* HS_POPN_SET (0x24) Fields */
801+
802+#define VMID_EN 0x40
803+#define EXTMUTE 0x20
804+#define RAMP_DELAY 0x1C
805+#define RAMP_DELAY_20MS 0x00
806+#define RAMP_DELAY_40MS 0x04
807+#define RAMP_DELAY_81MS 0x08
808+#define RAMP_DELAY_161MS 0x0c
809+#define RAMP_DELAY_323MS 0x10
810+#define RAMP_DELAY_645MS 0x14
811+#define RAMP_DELAY_1291MS 0x18
812+#define RAMP_DELAY_2581MS 0x1c
813+#define RAMP_EN 0x02
814+
815+extern struct snd_soc_codec_dai twl4030_dai;
816+extern struct snd_soc_codec_device soc_codec_dev_twl4030;
817+
818+#endif /* End of __TWL4030_AUDIO_H__ */
819diff --git a/sound/soc/omap/Kconfig b/sound/soc/omap/Kconfig
820index 0230d83..8703cea 100644
821--- a/sound/soc/omap/Kconfig
822+++ b/sound/soc/omap/Kconfig
823@@ -16,4 +16,20 @@ config SND_OMAP_SOC_N810
824 help
825 Say Y if you want to add support for SoC audio on Nokia N810.
826
827+config SND_OMAP_SOC_OMAP3EVM
828+ tristate "SoC Audio support for OMAP3 EVM"
829+ depends on SND_OMAP_SOC && MACH_OMAP3EVM
830+ select SND_OMAP_SOC_MCBSP
831+ select SND_SOC_TWL4030
832+ help
833+ Say Y if you want to add support for SoC audio on the OMAP3 EVM.
834+
835+config SND_OMAP_SOC_OMAP3BEAGLE
836+ tristate "SoC Audio support for OMAP3 Beagle"
837+ depends on SND_OMAP_SOC && MACH_OMAP3_BEAGLE
838+ select SND_OMAP_SOC_MCBSP
839+ select SND_SOC_TWL4030
840+ help
841+ Say Y if you want to add support for SoC audio on the OMAP3 Beagle.
842+
843 endmenu
844diff --git a/sound/soc/omap/Makefile b/sound/soc/omap/Makefile
845index d8d8d58..638a240 100644
846--- a/sound/soc/omap/Makefile
847+++ b/sound/soc/omap/Makefile
848@@ -7,5 +7,10 @@ obj-$(CONFIG_SND_OMAP_SOC_MCBSP) += snd-soc-omap-mcbsp.o
849
850 # OMAP Machine Support
851 snd-soc-n810-objs := n810.o
852+snd-soc-omap3evm-objs := omap3evm.o
853+snd-soc-omap3beagle-objs := omap3beagle.o
854
855 obj-$(CONFIG_SND_OMAP_SOC_N810) += snd-soc-n810.o
856+obj-$(CONFIG_SND_OMAP_SOC_OMAP3EVM) += snd-soc-omap3evm.o
857+obj-$(CONFIG_SND_OMAP_SOC_OMAP3BEAGLE) += snd-soc-omap3beagle.o
858+
859diff --git a/sound/soc/omap/omap3beagle.c b/sound/soc/omap/omap3beagle.c
860new file mode 100644
861index 0000000..878f894
862--- /dev/null
863+++ b/sound/soc/omap/omap3beagle.c
864@@ -0,0 +1,142 @@
865+/*
866+ * omap3beagle.c -- SoC audio for OMAP3 Beagle
867+ *
868+ * Author: Steve Sakoman <steve@sakoman.com>
869+ *
870+ * This program is free software; you can redistribute it and/or
871+ * modify it under the terms of the GNU General Public License
872+ * version 2 as published by the Free Software Foundation.
873+ *
874+ * This program is distributed in the hope that it will be useful, but
875+ * WITHOUT ANY WARRANTY; without even the implied warranty of
876+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
877+ * General Public License for more details.
878+ *
879+ * You should have received a copy of the GNU General Public License
880+ * along with this program; if not, write to the Free Software
881+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
882+ * 02110-1301 USA
883+ *
884+ */
885+
886+#include <linux/clk.h>
887+#include <linux/platform_device.h>
888+#include <sound/core.h>
889+#include <sound/pcm.h>
890+#include <sound/soc.h>
891+#include <sound/soc-dapm.h>
892+
893+#include <asm/mach-types.h>
894+#include <asm/arch/hardware.h>
895+#include <asm/arch/gpio.h>
896+#include <asm/arch/mcbsp.h>
897+
898+#include "omap-mcbsp.h"
899+#include "omap-pcm.h"
900+#include "../codecs/twl4030.h"
901+
902+static int omap3beagle_hw_params(struct snd_pcm_substream *substream,
903+ struct snd_pcm_hw_params *params)
904+{
905+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
906+ struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai;
907+ struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai;
908+ int ret;
909+
910+ /* Set codec DAI configuration */
911+ ret = codec_dai->dai_ops.set_fmt(codec_dai,
912+ SND_SOC_DAIFMT_I2S |
913+ SND_SOC_DAIFMT_NB_NF |
914+ SND_SOC_DAIFMT_CBM_CFM);
915+ if (ret < 0) {
916+ printk(KERN_INFO "can't set codec DAI configuration\n");
917+ return ret;
918+ }
919+
920+ /* Set cpu DAI configuration */
921+ ret = cpu_dai->dai_ops.set_fmt(cpu_dai,
922+ SND_SOC_DAIFMT_I2S |
923+ SND_SOC_DAIFMT_NB_NF |
924+ SND_SOC_DAIFMT_CBM_CFM);
925+ if (ret < 0) {
926+ printk(KERN_INFO "can't set cpu DAI configuration\n");
927+ return ret;
928+ }
929+
930+ return 0;
931+}
932+
933+static struct snd_soc_ops omap3beagle_ops = {
934+ .hw_params = omap3beagle_hw_params,
935+};
936+
937+/* Digital audio interface glue - connects codec <--> CPU */
938+static struct snd_soc_dai_link omap3beagle_dai = {
939+ .name = "TWL4030",
940+ .stream_name = "TWL4030",
941+ .cpu_dai = &omap_mcbsp_dai[0],
942+ .codec_dai = &twl4030_dai,
943+ .ops = &omap3beagle_ops,
944+};
945+
946+/* Audio machine driver */
947+static struct snd_soc_machine snd_soc_machine_omap3beagle = {
948+ .name = "omap3beagle",
949+ .dai_link = &omap3beagle_dai,
950+ .num_links = 1,
951+};
952+
953+/* Audio subsystem */
954+static struct snd_soc_device omap3beagle_snd_devdata = {
955+ .machine = &snd_soc_machine_omap3beagle,
956+ .platform = &omap_soc_platform,
957+ .codec_dev = &soc_codec_dev_twl4030,
958+};
959+
960+static struct platform_device *omap3beagle_snd_device;
961+
962+static int __init omap3beagle_soc_init(void)
963+{
964+ int ret;
965+
966+ printk(KERN_INFO "OMAP3 Beagle SoC init\n");
967+ if (!machine_is_omap3_beagle()) {
968+ printk(KERN_INFO "Not OMAP3 Beagle!\n");
969+ return -ENODEV;
970+ }
971+
972+ omap3beagle_snd_device = platform_device_alloc("soc-audio", -1);
973+ if (!omap3beagle_snd_device) {
974+ printk(KERN_INFO "Platform device allocation failed\n");
975+ return -ENOMEM;
976+ }
977+
978+ platform_set_drvdata(omap3beagle_snd_device, &omap3beagle_snd_devdata);
979+ omap3beagle_snd_devdata.dev = &omap3beagle_snd_device->dev;
980+ *(unsigned int *)omap3beagle_dai.cpu_dai->private_data = 1; /* McBSP2 */
981+
982+ ret = platform_device_add(omap3beagle_snd_device);
983+ if (ret)
984+ goto err1;
985+
986+ return 0;
987+
988+err1:
989+ printk(KERN_INFO "Unable to add platform device\n");
990+ platform_device_put(omap3beagle_snd_device);
991+
992+ return ret;
993+}
994+
995+static void __exit omap3beagle_soc_exit(void)
996+{
997+ printk(KERN_INFO "OMAP3 Beagle SoC exit\n");
998+ platform_device_unregister(omap3beagle_snd_device);
999+}
1000+
1001+module_init(omap3beagle_soc_init);
1002+module_exit(omap3beagle_soc_exit);
1003+
1004+MODULE_AUTHOR("Steve Sakoman <steve@sakoman.com>");
1005+MODULE_DESCRIPTION("ALSA SoC OMAP3 Beagle");
1006+MODULE_LICENSE("GPL");
1007diff --git a/sound/soc/omap/omap3evm.c b/sound/soc/omap/omap3evm.c
1008new file mode 100644
1009index 0000000..a64c788
1010--- /dev/null
1011+++ b/sound/soc/omap/omap3evm.c
1012@@ -0,0 +1,142 @@
1013+/*
1014+ * omap3evm.c -- SoC audio for OMAP3 EVM
1015+ *
1016+ * Author: Steve Sakoman <steve@sakoman.com>
1017+ *
1018+ * This program is free software; you can redistribute it and/or
1019+ * modify it under the terms of the GNU General Public License
1020+ * version 2 as published by the Free Software Foundation.
1021+ *
1022+ * This program is distributed in the hope that it will be useful, but
1023+ * WITHOUT ANY WARRANTY; without even the implied warranty of
1024+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1025+ * General Public License for more details.
1026+ *
1027+ * You should have received a copy of the GNU General Public License
1028+ * along with this program; if not, write to the Free Software
1029+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
1030+ * 02110-1301 USA
1031+ *
1032+ */
1033+
1034+#include <linux/clk.h>
1035+#include <linux/platform_device.h>
1036+#include <sound/core.h>
1037+#include <sound/pcm.h>
1038+#include <sound/soc.h>
1039+#include <sound/soc-dapm.h>
1040+
1041+#include <asm/mach-types.h>
1042+#include <asm/arch/hardware.h>
1043+#include <asm/arch/gpio.h>
1044+#include <asm/arch/mcbsp.h>
1045+
1046+#include "omap-mcbsp.h"
1047+#include "omap-pcm.h"
1048+#include "../codecs/twl4030.h"
1049+
1050+static int omap3evm_hw_params(struct snd_pcm_substream *substream,
1051+ struct snd_pcm_hw_params *params)
1052+{
1053+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
1054+ struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai;
1055+ struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai;
1056+ int ret;
1057+
1058+ /* Set codec DAI configuration */
1059+ ret = codec_dai->dai_ops.set_fmt(codec_dai,
1060+ SND_SOC_DAIFMT_I2S |
1061+ SND_SOC_DAIFMT_NB_NF |
1062+ SND_SOC_DAIFMT_CBM_CFM);
1063+ if (ret < 0) {
1064+ printk(KERN_INFO "can't set codec DAI configuration\n");
1065+ return ret;
1066+ }
1067+
1068+ /* Set cpu DAI configuration */
1069+ ret = cpu_dai->dai_ops.set_fmt(cpu_dai,
1070+ SND_SOC_DAIFMT_I2S |
1071+ SND_SOC_DAIFMT_NB_NF |
1072+ SND_SOC_DAIFMT_CBM_CFM);
1073+ if (ret < 0) {
1074+ printk(KERN_INFO "can't set cpu DAI configuration\n");
1075+ return ret;
1076+ }
1077+
1078+ return 0;
1079+}
1080+
1081+static struct snd_soc_ops omap3evm_ops = {
1082+ .hw_params = omap3evm_hw_params,
1083+};
1084+
1085+/* Digital audio interface glue - connects codec <--> CPU */
1086+static struct snd_soc_dai_link omap3evm_dai = {
1087+ .name = "TWL4030",
1088+ .stream_name = "TWL4030",
1089+ .cpu_dai = &omap_mcbsp_dai[0],
1090+ .codec_dai = &twl4030_dai,
1091+ .ops = &omap3evm_ops,
1092+};
1093+
1094+/* Audio machine driver */
1095+static struct snd_soc_machine snd_soc_machine_omap3evm = {
1096+ .name = "omap3evm",
1097+ .dai_link = &omap3evm_dai,
1098+ .num_links = 1,
1099+};
1100+
1101+/* Audio subsystem */
1102+static struct snd_soc_device omap3evm_snd_devdata = {
1103+ .machine = &snd_soc_machine_omap3evm,
1104+ .platform = &omap_soc_platform,
1105+ .codec_dev = &soc_codec_dev_twl4030,
1106+};
1107+
1108+static struct platform_device *omap3evm_snd_device;
1109+
1110+static int __init omap3evm_soc_init(void)
1111+{
1112+ int ret;
1113+
1114+ printk(KERN_INFO "OMAP3 EVM SoC init\n");
1115+ if (!machine_is_omap3evm()) {
1116+ printk(KERN_INFO "Not OMAP3 EVM!\n");
1117+ return -ENODEV;
1118+ }
1119+
1120+ omap3evm_snd_device = platform_device_alloc("soc-audio", -1);
1121+ if (!omap3evm_snd_device) {
1122+ printk(KERN_INFO "Platform device allocation failed\n");
1123+ return -ENOMEM;
1124+ }
1125+
1126+ platform_set_drvdata(omap3evm_snd_device, &omap3evm_snd_devdata);
1127+ omap3evm_snd_devdata.dev = &omap3evm_snd_device->dev;
1128+ *(unsigned int *)omap3evm_dai.cpu_dai->private_data = 1; /* McBSP2 */
1129+
1130+ ret = platform_device_add(omap3evm_snd_device);
1131+ if (ret)
1132+ goto err1;
1133+
1134+ return 0;
1135+
1136+err1:
1137+ printk(KERN_INFO "Unable to add platform device\n");
1138+ platform_device_put(omap3evm_snd_device);
1139+
1140+ return ret;
1141+}
1142+
1143+static void __exit omap3evm_soc_exit(void)
1144+{
1145+ printk(KERN_INFO "OMAP3 EVM SoC exit\n");
1146+ platform_device_unregister(omap3evm_snd_device);
1147+}
1148+
1149+module_init(omap3evm_soc_init);
1150+module_exit(omap3evm_soc_exit);
1151+
1152+MODULE_AUTHOR("Steve Sakoman <steve@sakoman.com>");
1153+MODULE_DESCRIPTION("ALSA SoC OMAP3 EVM");
1154+MODULE_LICENSE("GPL");
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-04-27 09:27:33 +0000