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cc17557e SS |
1 | /* |
2 | * ALSA SoC TWL4030 codec driver | |
3 | * | |
4 | * Author: Steve Sakoman, <steve@sakoman.com> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License | |
8 | * version 2 as published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
18 | * 02110-1301 USA | |
19 | * | |
20 | */ | |
21 | ||
22 | #include <linux/module.h> | |
23 | #include <linux/moduleparam.h> | |
24 | #include <linux/init.h> | |
25 | #include <linux/delay.h> | |
26 | #include <linux/pm.h> | |
27 | #include <linux/i2c.h> | |
28 | #include <linux/platform_device.h> | |
29 | #include <linux/i2c/twl4030.h> | |
30 | #include <sound/core.h> | |
31 | #include <sound/pcm.h> | |
32 | #include <sound/pcm_params.h> | |
33 | #include <sound/soc.h> | |
34 | #include <sound/soc-dapm.h> | |
35 | #include <sound/initval.h> | |
c10b82cf | 36 | #include <sound/tlv.h> |
cc17557e SS |
37 | |
38 | #include "twl4030.h" | |
39 | ||
40 | /* | |
41 | * twl4030 register cache & default register settings | |
42 | */ | |
43 | static const u8 twl4030_reg[TWL4030_CACHEREGNUM] = { | |
44 | 0x00, /* this register not used */ | |
45 | 0x93, /* REG_CODEC_MODE (0x1) */ | |
46 | 0xc3, /* REG_OPTION (0x2) */ | |
47 | 0x00, /* REG_UNKNOWN (0x3) */ | |
48 | 0x00, /* REG_MICBIAS_CTL (0x4) */ | |
5920b453 GI |
49 | 0x20, /* REG_ANAMICL (0x5) */ |
50 | 0x00, /* REG_ANAMICR (0x6) */ | |
51 | 0x00, /* REG_AVADC_CTL (0x7) */ | |
cc17557e SS |
52 | 0x00, /* REG_ADCMICSEL (0x8) */ |
53 | 0x00, /* REG_DIGMIXING (0x9) */ | |
54 | 0x0c, /* REG_ATXL1PGA (0xA) */ | |
55 | 0x0c, /* REG_ATXR1PGA (0xB) */ | |
56 | 0x00, /* REG_AVTXL2PGA (0xC) */ | |
57 | 0x00, /* REG_AVTXR2PGA (0xD) */ | |
58 | 0x01, /* REG_AUDIO_IF (0xE) */ | |
59 | 0x00, /* REG_VOICE_IF (0xF) */ | |
60 | 0x00, /* REG_ARXR1PGA (0x10) */ | |
61 | 0x00, /* REG_ARXL1PGA (0x11) */ | |
62 | 0x6c, /* REG_ARXR2PGA (0x12) */ | |
63 | 0x6c, /* REG_ARXL2PGA (0x13) */ | |
64 | 0x00, /* REG_VRXPGA (0x14) */ | |
65 | 0x00, /* REG_VSTPGA (0x15) */ | |
66 | 0x00, /* REG_VRX2ARXPGA (0x16) */ | |
67 | 0x0c, /* REG_AVDAC_CTL (0x17) */ | |
68 | 0x00, /* REG_ARX2VTXPGA (0x18) */ | |
69 | 0x00, /* REG_ARXL1_APGA_CTL (0x19) */ | |
70 | 0x00, /* REG_ARXR1_APGA_CTL (0x1A) */ | |
71 | 0x4b, /* REG_ARXL2_APGA_CTL (0x1B) */ | |
72 | 0x4b, /* REG_ARXR2_APGA_CTL (0x1C) */ | |
73 | 0x00, /* REG_ATX2ARXPGA (0x1D) */ | |
74 | 0x00, /* REG_BT_IF (0x1E) */ | |
75 | 0x00, /* REG_BTPGA (0x1F) */ | |
76 | 0x00, /* REG_BTSTPGA (0x20) */ | |
77 | 0x00, /* REG_EAR_CTL (0x21) */ | |
78 | 0x24, /* REG_HS_SEL (0x22) */ | |
79 | 0x0a, /* REG_HS_GAIN_SET (0x23) */ | |
80 | 0x00, /* REG_HS_POPN_SET (0x24) */ | |
81 | 0x00, /* REG_PREDL_CTL (0x25) */ | |
82 | 0x00, /* REG_PREDR_CTL (0x26) */ | |
83 | 0x00, /* REG_PRECKL_CTL (0x27) */ | |
84 | 0x00, /* REG_PRECKR_CTL (0x28) */ | |
85 | 0x00, /* REG_HFL_CTL (0x29) */ | |
86 | 0x00, /* REG_HFR_CTL (0x2A) */ | |
87 | 0x00, /* REG_ALC_CTL (0x2B) */ | |
88 | 0x00, /* REG_ALC_SET1 (0x2C) */ | |
89 | 0x00, /* REG_ALC_SET2 (0x2D) */ | |
90 | 0x00, /* REG_BOOST_CTL (0x2E) */ | |
f8d05bdb | 91 | 0x00, /* REG_SOFTVOL_CTL (0x2F) */ |
cc17557e SS |
92 | 0x00, /* REG_DTMF_FREQSEL (0x30) */ |
93 | 0x00, /* REG_DTMF_TONEXT1H (0x31) */ | |
94 | 0x00, /* REG_DTMF_TONEXT1L (0x32) */ | |
95 | 0x00, /* REG_DTMF_TONEXT2H (0x33) */ | |
96 | 0x00, /* REG_DTMF_TONEXT2L (0x34) */ | |
97 | 0x00, /* REG_DTMF_TONOFF (0x35) */ | |
98 | 0x00, /* REG_DTMF_WANONOFF (0x36) */ | |
99 | 0x00, /* REG_I2S_RX_SCRAMBLE_H (0x37) */ | |
100 | 0x00, /* REG_I2S_RX_SCRAMBLE_M (0x38) */ | |
101 | 0x00, /* REG_I2S_RX_SCRAMBLE_L (0x39) */ | |
102 | 0x16, /* REG_APLL_CTL (0x3A) */ | |
103 | 0x00, /* REG_DTMF_CTL (0x3B) */ | |
104 | 0x00, /* REG_DTMF_PGA_CTL2 (0x3C) */ | |
105 | 0x00, /* REG_DTMF_PGA_CTL1 (0x3D) */ | |
106 | 0x00, /* REG_MISC_SET_1 (0x3E) */ | |
107 | 0x00, /* REG_PCMBTMUX (0x3F) */ | |
108 | 0x00, /* not used (0x40) */ | |
109 | 0x00, /* not used (0x41) */ | |
110 | 0x00, /* not used (0x42) */ | |
111 | 0x00, /* REG_RX_PATH_SEL (0x43) */ | |
112 | 0x00, /* REG_VDL_APGA_CTL (0x44) */ | |
113 | 0x00, /* REG_VIBRA_CTL (0x45) */ | |
114 | 0x00, /* REG_VIBRA_SET (0x46) */ | |
115 | 0x00, /* REG_VIBRA_PWM_SET (0x47) */ | |
116 | 0x00, /* REG_ANAMIC_GAIN (0x48) */ | |
117 | 0x00, /* REG_MISC_SET_2 (0x49) */ | |
118 | }; | |
119 | ||
120 | /* | |
121 | * read twl4030 register cache | |
122 | */ | |
123 | static inline unsigned int twl4030_read_reg_cache(struct snd_soc_codec *codec, | |
124 | unsigned int reg) | |
125 | { | |
126 | u8 *cache = codec->reg_cache; | |
127 | ||
128 | return cache[reg]; | |
129 | } | |
130 | ||
131 | /* | |
132 | * write twl4030 register cache | |
133 | */ | |
134 | static inline void twl4030_write_reg_cache(struct snd_soc_codec *codec, | |
135 | u8 reg, u8 value) | |
136 | { | |
137 | u8 *cache = codec->reg_cache; | |
138 | ||
139 | if (reg >= TWL4030_CACHEREGNUM) | |
140 | return; | |
141 | cache[reg] = value; | |
142 | } | |
143 | ||
144 | /* | |
145 | * write to the twl4030 register space | |
146 | */ | |
147 | static int twl4030_write(struct snd_soc_codec *codec, | |
148 | unsigned int reg, unsigned int value) | |
149 | { | |
150 | twl4030_write_reg_cache(codec, reg, value); | |
151 | return twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, value, reg); | |
152 | } | |
153 | ||
154 | static void twl4030_clear_codecpdz(struct snd_soc_codec *codec) | |
155 | { | |
156 | u8 mode; | |
157 | ||
158 | mode = twl4030_read_reg_cache(codec, TWL4030_REG_CODEC_MODE); | |
159 | twl4030_write(codec, TWL4030_REG_CODEC_MODE, | |
160 | mode & ~TWL4030_CODECPDZ); | |
161 | ||
162 | /* REVISIT: this delay is present in TI sample drivers */ | |
163 | /* but there seems to be no TRM requirement for it */ | |
164 | udelay(10); | |
165 | } | |
166 | ||
167 | static void twl4030_set_codecpdz(struct snd_soc_codec *codec) | |
168 | { | |
169 | u8 mode; | |
170 | ||
171 | mode = twl4030_read_reg_cache(codec, TWL4030_REG_CODEC_MODE); | |
172 | twl4030_write(codec, TWL4030_REG_CODEC_MODE, | |
173 | mode | TWL4030_CODECPDZ); | |
174 | ||
175 | /* REVISIT: this delay is present in TI sample drivers */ | |
176 | /* but there seems to be no TRM requirement for it */ | |
177 | udelay(10); | |
178 | } | |
179 | ||
180 | static void twl4030_init_chip(struct snd_soc_codec *codec) | |
181 | { | |
182 | int i; | |
183 | ||
184 | /* clear CODECPDZ prior to setting register defaults */ | |
185 | twl4030_clear_codecpdz(codec); | |
186 | ||
187 | /* set all audio section registers to reasonable defaults */ | |
188 | for (i = TWL4030_REG_OPTION; i <= TWL4030_REG_MISC_SET_2; i++) | |
189 | twl4030_write(codec, i, twl4030_reg[i]); | |
190 | ||
191 | } | |
192 | ||
b0bd53a7 PU |
193 | /* |
194 | * Some of the gain controls in TWL (mostly those which are associated with | |
195 | * the outputs) are implemented in an interesting way: | |
196 | * 0x0 : Power down (mute) | |
197 | * 0x1 : 6dB | |
198 | * 0x2 : 0 dB | |
199 | * 0x3 : -6 dB | |
200 | * Inverting not going to help with these. | |
201 | * Custom volsw and volsw_2r get/put functions to handle these gain bits. | |
202 | */ | |
203 | #define SOC_DOUBLE_TLV_TWL4030(xname, xreg, shift_left, shift_right, xmax,\ | |
204 | xinvert, tlv_array) \ | |
205 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ | |
206 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ | |
207 | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ | |
208 | .tlv.p = (tlv_array), \ | |
209 | .info = snd_soc_info_volsw, \ | |
210 | .get = snd_soc_get_volsw_twl4030, \ | |
211 | .put = snd_soc_put_volsw_twl4030, \ | |
212 | .private_value = (unsigned long)&(struct soc_mixer_control) \ | |
213 | {.reg = xreg, .shift = shift_left, .rshift = shift_right,\ | |
214 | .max = xmax, .invert = xinvert} } | |
215 | #define SOC_DOUBLE_R_TLV_TWL4030(xname, reg_left, reg_right, xshift, xmax,\ | |
216 | xinvert, tlv_array) \ | |
217 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ | |
218 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ | |
219 | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ | |
220 | .tlv.p = (tlv_array), \ | |
221 | .info = snd_soc_info_volsw_2r, \ | |
222 | .get = snd_soc_get_volsw_r2_twl4030,\ | |
223 | .put = snd_soc_put_volsw_r2_twl4030, \ | |
224 | .private_value = (unsigned long)&(struct soc_mixer_control) \ | |
225 | {.reg = reg_left, .rreg = reg_right, .shift = xshift, \ | |
226 | .max = xmax, .invert = xinvert} } | |
227 | #define SOC_SINGLE_TLV_TWL4030(xname, xreg, xshift, xmax, xinvert, tlv_array) \ | |
228 | SOC_DOUBLE_TLV_TWL4030(xname, xreg, xshift, xshift, xmax, \ | |
229 | xinvert, tlv_array) | |
230 | ||
231 | static int snd_soc_get_volsw_twl4030(struct snd_kcontrol *kcontrol, | |
232 | struct snd_ctl_elem_value *ucontrol) | |
233 | { | |
234 | struct soc_mixer_control *mc = | |
235 | (struct soc_mixer_control *)kcontrol->private_value; | |
236 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
237 | unsigned int reg = mc->reg; | |
238 | unsigned int shift = mc->shift; | |
239 | unsigned int rshift = mc->rshift; | |
240 | int max = mc->max; | |
241 | int mask = (1 << fls(max)) - 1; | |
242 | ||
243 | ucontrol->value.integer.value[0] = | |
244 | (snd_soc_read(codec, reg) >> shift) & mask; | |
245 | if (ucontrol->value.integer.value[0]) | |
246 | ucontrol->value.integer.value[0] = | |
247 | max + 1 - ucontrol->value.integer.value[0]; | |
248 | ||
249 | if (shift != rshift) { | |
250 | ucontrol->value.integer.value[1] = | |
251 | (snd_soc_read(codec, reg) >> rshift) & mask; | |
252 | if (ucontrol->value.integer.value[1]) | |
253 | ucontrol->value.integer.value[1] = | |
254 | max + 1 - ucontrol->value.integer.value[1]; | |
255 | } | |
256 | ||
257 | return 0; | |
258 | } | |
259 | ||
260 | static int snd_soc_put_volsw_twl4030(struct snd_kcontrol *kcontrol, | |
261 | struct snd_ctl_elem_value *ucontrol) | |
262 | { | |
263 | struct soc_mixer_control *mc = | |
264 | (struct soc_mixer_control *)kcontrol->private_value; | |
265 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
266 | unsigned int reg = mc->reg; | |
267 | unsigned int shift = mc->shift; | |
268 | unsigned int rshift = mc->rshift; | |
269 | int max = mc->max; | |
270 | int mask = (1 << fls(max)) - 1; | |
271 | unsigned short val, val2, val_mask; | |
272 | ||
273 | val = (ucontrol->value.integer.value[0] & mask); | |
274 | ||
275 | val_mask = mask << shift; | |
276 | if (val) | |
277 | val = max + 1 - val; | |
278 | val = val << shift; | |
279 | if (shift != rshift) { | |
280 | val2 = (ucontrol->value.integer.value[1] & mask); | |
281 | val_mask |= mask << rshift; | |
282 | if (val2) | |
283 | val2 = max + 1 - val2; | |
284 | val |= val2 << rshift; | |
285 | } | |
286 | return snd_soc_update_bits(codec, reg, val_mask, val); | |
287 | } | |
288 | ||
289 | static int snd_soc_get_volsw_r2_twl4030(struct snd_kcontrol *kcontrol, | |
290 | struct snd_ctl_elem_value *ucontrol) | |
291 | { | |
292 | struct soc_mixer_control *mc = | |
293 | (struct soc_mixer_control *)kcontrol->private_value; | |
294 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
295 | unsigned int reg = mc->reg; | |
296 | unsigned int reg2 = mc->rreg; | |
297 | unsigned int shift = mc->shift; | |
298 | int max = mc->max; | |
299 | int mask = (1<<fls(max))-1; | |
300 | ||
301 | ucontrol->value.integer.value[0] = | |
302 | (snd_soc_read(codec, reg) >> shift) & mask; | |
303 | ucontrol->value.integer.value[1] = | |
304 | (snd_soc_read(codec, reg2) >> shift) & mask; | |
305 | ||
306 | if (ucontrol->value.integer.value[0]) | |
307 | ucontrol->value.integer.value[0] = | |
308 | max + 1 - ucontrol->value.integer.value[0]; | |
309 | if (ucontrol->value.integer.value[1]) | |
310 | ucontrol->value.integer.value[1] = | |
311 | max + 1 - ucontrol->value.integer.value[1]; | |
312 | ||
313 | return 0; | |
314 | } | |
315 | ||
316 | static int snd_soc_put_volsw_r2_twl4030(struct snd_kcontrol *kcontrol, | |
317 | struct snd_ctl_elem_value *ucontrol) | |
318 | { | |
319 | struct soc_mixer_control *mc = | |
320 | (struct soc_mixer_control *)kcontrol->private_value; | |
321 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
322 | unsigned int reg = mc->reg; | |
323 | unsigned int reg2 = mc->rreg; | |
324 | unsigned int shift = mc->shift; | |
325 | int max = mc->max; | |
326 | int mask = (1 << fls(max)) - 1; | |
327 | int err; | |
328 | unsigned short val, val2, val_mask; | |
329 | ||
330 | val_mask = mask << shift; | |
331 | val = (ucontrol->value.integer.value[0] & mask); | |
332 | val2 = (ucontrol->value.integer.value[1] & mask); | |
333 | ||
334 | if (val) | |
335 | val = max + 1 - val; | |
336 | if (val2) | |
337 | val2 = max + 1 - val2; | |
338 | ||
339 | val = val << shift; | |
340 | val2 = val2 << shift; | |
341 | ||
342 | err = snd_soc_update_bits(codec, reg, val_mask, val); | |
343 | if (err < 0) | |
344 | return err; | |
345 | ||
346 | err = snd_soc_update_bits(codec, reg2, val_mask, val2); | |
347 | return err; | |
348 | } | |
349 | ||
5920b453 GI |
350 | static int twl4030_get_left_input(struct snd_kcontrol *kcontrol, |
351 | struct snd_ctl_elem_value *ucontrol) | |
352 | { | |
353 | struct snd_soc_codec *codec = kcontrol->private_data; | |
354 | u8 reg = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICL); | |
355 | int result = 0; | |
356 | ||
357 | /* one bit must be set a time */ | |
358 | reg &= TWL4030_CKMIC_EN | TWL4030_AUXL_EN | TWL4030_HSMIC_EN | |
359 | | TWL4030_MAINMIC_EN; | |
360 | if (reg != 0) { | |
361 | result++; | |
362 | while ((reg & 1) == 0) { | |
363 | result++; | |
364 | reg >>= 1; | |
365 | } | |
366 | } | |
367 | ||
368 | ucontrol->value.integer.value[0] = result; | |
369 | return 0; | |
370 | } | |
371 | ||
372 | static int twl4030_put_left_input(struct snd_kcontrol *kcontrol, | |
373 | struct snd_ctl_elem_value *ucontrol) | |
374 | { | |
375 | struct snd_soc_codec *codec = kcontrol->private_data; | |
376 | int value = ucontrol->value.integer.value[0]; | |
377 | u8 anamicl, micbias, avadc_ctl; | |
378 | ||
379 | anamicl = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICL); | |
380 | anamicl &= ~(TWL4030_CKMIC_EN | TWL4030_AUXL_EN | TWL4030_HSMIC_EN | |
381 | | TWL4030_MAINMIC_EN); | |
382 | micbias = twl4030_read_reg_cache(codec, TWL4030_REG_MICBIAS_CTL); | |
383 | micbias &= ~(TWL4030_HSMICBIAS_EN | TWL4030_MICBIAS1_EN); | |
384 | avadc_ctl = twl4030_read_reg_cache(codec, TWL4030_REG_AVADC_CTL); | |
385 | ||
386 | switch (value) { | |
387 | case 1: | |
388 | anamicl |= TWL4030_MAINMIC_EN; | |
389 | micbias |= TWL4030_MICBIAS1_EN; | |
390 | break; | |
391 | case 2: | |
392 | anamicl |= TWL4030_HSMIC_EN; | |
393 | micbias |= TWL4030_HSMICBIAS_EN; | |
394 | break; | |
395 | case 3: | |
396 | anamicl |= TWL4030_AUXL_EN; | |
397 | break; | |
398 | case 4: | |
399 | anamicl |= TWL4030_CKMIC_EN; | |
400 | break; | |
401 | default: | |
402 | break; | |
403 | } | |
404 | ||
405 | /* If some input is selected, enable amp and ADC */ | |
406 | if (value != 0) { | |
407 | anamicl |= TWL4030_MICAMPL_EN; | |
408 | avadc_ctl |= TWL4030_ADCL_EN; | |
409 | } else { | |
410 | anamicl &= ~TWL4030_MICAMPL_EN; | |
411 | avadc_ctl &= ~TWL4030_ADCL_EN; | |
412 | } | |
413 | ||
414 | twl4030_write(codec, TWL4030_REG_ANAMICL, anamicl); | |
415 | twl4030_write(codec, TWL4030_REG_MICBIAS_CTL, micbias); | |
416 | twl4030_write(codec, TWL4030_REG_AVADC_CTL, avadc_ctl); | |
417 | ||
418 | return 1; | |
419 | } | |
420 | ||
421 | static int twl4030_get_right_input(struct snd_kcontrol *kcontrol, | |
422 | struct snd_ctl_elem_value *ucontrol) | |
423 | { | |
424 | struct snd_soc_codec *codec = kcontrol->private_data; | |
425 | u8 reg = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICR); | |
426 | int value = 0; | |
427 | ||
428 | reg &= TWL4030_SUBMIC_EN|TWL4030_AUXR_EN; | |
429 | switch (reg) { | |
430 | case TWL4030_SUBMIC_EN: | |
431 | value = 1; | |
432 | break; | |
433 | case TWL4030_AUXR_EN: | |
434 | value = 2; | |
435 | break; | |
436 | default: | |
437 | break; | |
438 | } | |
439 | ||
440 | ucontrol->value.integer.value[0] = value; | |
441 | return 0; | |
442 | } | |
443 | ||
444 | static int twl4030_put_right_input(struct snd_kcontrol *kcontrol, | |
445 | struct snd_ctl_elem_value *ucontrol) | |
446 | { | |
447 | struct snd_soc_codec *codec = kcontrol->private_data; | |
448 | int value = ucontrol->value.integer.value[0]; | |
449 | u8 anamicr, micbias, avadc_ctl; | |
450 | ||
451 | anamicr = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICR); | |
452 | anamicr &= ~(TWL4030_SUBMIC_EN|TWL4030_AUXR_EN); | |
453 | micbias = twl4030_read_reg_cache(codec, TWL4030_REG_MICBIAS_CTL); | |
454 | micbias &= ~TWL4030_MICBIAS2_EN; | |
455 | avadc_ctl = twl4030_read_reg_cache(codec, TWL4030_REG_AVADC_CTL); | |
456 | ||
457 | switch (value) { | |
458 | case 1: | |
459 | anamicr |= TWL4030_SUBMIC_EN; | |
460 | micbias |= TWL4030_MICBIAS2_EN; | |
461 | break; | |
462 | case 2: | |
463 | anamicr |= TWL4030_AUXR_EN; | |
464 | break; | |
465 | default: | |
466 | break; | |
467 | } | |
468 | ||
469 | if (value != 0) { | |
470 | anamicr |= TWL4030_MICAMPR_EN; | |
471 | avadc_ctl |= TWL4030_ADCR_EN; | |
472 | } else { | |
473 | anamicr &= ~TWL4030_MICAMPR_EN; | |
474 | avadc_ctl &= ~TWL4030_ADCR_EN; | |
475 | } | |
476 | ||
477 | twl4030_write(codec, TWL4030_REG_ANAMICR, anamicr); | |
478 | twl4030_write(codec, TWL4030_REG_MICBIAS_CTL, micbias); | |
479 | twl4030_write(codec, TWL4030_REG_AVADC_CTL, avadc_ctl); | |
480 | ||
481 | return 1; | |
482 | } | |
483 | ||
484 | static const char *twl4030_left_in_sel[] = { | |
485 | "None", | |
486 | "Main Mic", | |
487 | "Headset Mic", | |
488 | "Line In", | |
489 | "Carkit Mic", | |
490 | }; | |
491 | ||
492 | static const char *twl4030_right_in_sel[] = { | |
493 | "None", | |
494 | "Sub Mic", | |
495 | "Line In", | |
496 | }; | |
497 | ||
498 | static const struct soc_enum twl4030_left_input_mux = | |
499 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl4030_left_in_sel), | |
500 | twl4030_left_in_sel); | |
501 | ||
502 | static const struct soc_enum twl4030_right_input_mux = | |
503 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl4030_right_in_sel), | |
504 | twl4030_right_in_sel); | |
505 | ||
c10b82cf PU |
506 | /* |
507 | * FGAIN volume control: | |
508 | * from -62 to 0 dB in 1 dB steps (mute instead of -63 dB) | |
509 | */ | |
d889a72c | 510 | static DECLARE_TLV_DB_SCALE(digital_fine_tlv, -6300, 100, 1); |
c10b82cf | 511 | |
0d33ea0b PU |
512 | /* |
513 | * CGAIN volume control: | |
514 | * 0 dB to 12 dB in 6 dB steps | |
515 | * value 2 and 3 means 12 dB | |
516 | */ | |
d889a72c PU |
517 | static DECLARE_TLV_DB_SCALE(digital_coarse_tlv, 0, 600, 0); |
518 | ||
519 | /* | |
520 | * Analog playback gain | |
521 | * -24 dB to 12 dB in 2 dB steps | |
522 | */ | |
523 | static DECLARE_TLV_DB_SCALE(analog_tlv, -2400, 200, 0); | |
0d33ea0b | 524 | |
4290239c PU |
525 | /* |
526 | * Gain controls tied to outputs | |
527 | * -6 dB to 6 dB in 6 dB steps (mute instead of -12) | |
528 | */ | |
529 | static DECLARE_TLV_DB_SCALE(output_tvl, -1200, 600, 1); | |
530 | ||
381a22b5 PU |
531 | /* |
532 | * Capture gain after the ADCs | |
533 | * from 0 dB to 31 dB in 1 dB steps | |
534 | */ | |
535 | static DECLARE_TLV_DB_SCALE(digital_capture_tlv, 0, 100, 0); | |
536 | ||
5920b453 GI |
537 | /* |
538 | * Gain control for input amplifiers | |
539 | * 0 dB to 30 dB in 6 dB steps | |
540 | */ | |
541 | static DECLARE_TLV_DB_SCALE(input_gain_tlv, 0, 600, 0); | |
542 | ||
cc17557e | 543 | static const struct snd_kcontrol_new twl4030_snd_controls[] = { |
d889a72c PU |
544 | /* Common playback gain controls */ |
545 | SOC_DOUBLE_R_TLV("DAC1 Digital Fine Playback Volume", | |
546 | TWL4030_REG_ARXL1PGA, TWL4030_REG_ARXR1PGA, | |
547 | 0, 0x3f, 0, digital_fine_tlv), | |
548 | SOC_DOUBLE_R_TLV("DAC2 Digital Fine Playback Volume", | |
549 | TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA, | |
550 | 0, 0x3f, 0, digital_fine_tlv), | |
551 | ||
552 | SOC_DOUBLE_R_TLV("DAC1 Digital Coarse Playback Volume", | |
553 | TWL4030_REG_ARXL1PGA, TWL4030_REG_ARXR1PGA, | |
554 | 6, 0x2, 0, digital_coarse_tlv), | |
555 | SOC_DOUBLE_R_TLV("DAC2 Digital Coarse Playback Volume", | |
556 | TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA, | |
557 | 6, 0x2, 0, digital_coarse_tlv), | |
558 | ||
559 | SOC_DOUBLE_R_TLV("DAC1 Analog Playback Volume", | |
560 | TWL4030_REG_ARXL1_APGA_CTL, TWL4030_REG_ARXR1_APGA_CTL, | |
561 | 3, 0x12, 1, analog_tlv), | |
562 | SOC_DOUBLE_R_TLV("DAC2 Analog Playback Volume", | |
563 | TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL, | |
564 | 3, 0x12, 1, analog_tlv), | |
381a22b5 | 565 | |
4290239c PU |
566 | /* Separate output gain controls */ |
567 | SOC_DOUBLE_R_TLV_TWL4030("PreDriv Playback Volume", | |
568 | TWL4030_REG_PREDL_CTL, TWL4030_REG_PREDR_CTL, | |
569 | 4, 3, 0, output_tvl), | |
570 | ||
571 | SOC_DOUBLE_TLV_TWL4030("Headset Playback Volume", | |
572 | TWL4030_REG_HS_GAIN_SET, 0, 2, 3, 0, output_tvl), | |
573 | ||
574 | SOC_DOUBLE_R_TLV_TWL4030("Carkit Playback Volume", | |
575 | TWL4030_REG_PRECKL_CTL, TWL4030_REG_PRECKR_CTL, | |
576 | 4, 3, 0, output_tvl), | |
577 | ||
578 | SOC_SINGLE_TLV_TWL4030("Earpiece Playback Volume", | |
579 | TWL4030_REG_EAR_CTL, 4, 3, 0, output_tvl), | |
580 | ||
381a22b5 PU |
581 | /* Common capture gain controls */ |
582 | SOC_DOUBLE_R_TLV("Capture Volume", | |
583 | TWL4030_REG_ATXL1PGA, TWL4030_REG_ATXR1PGA, | |
584 | 0, 0x1f, 0, digital_capture_tlv), | |
5920b453 GI |
585 | |
586 | SOC_DOUBLE_TLV("Input Boost Volume", TWL4030_REG_ANAMIC_GAIN, | |
587 | 0, 3, 5, 0, input_gain_tlv), | |
588 | ||
589 | /* Input source controls */ | |
590 | SOC_ENUM_EXT("Left Input Source", twl4030_left_input_mux, | |
591 | twl4030_get_left_input, twl4030_put_left_input), | |
592 | SOC_ENUM_EXT("Right Input Source", twl4030_right_input_mux, | |
593 | twl4030_get_right_input, twl4030_put_right_input), | |
cc17557e SS |
594 | }; |
595 | ||
596 | /* add non dapm controls */ | |
597 | static int twl4030_add_controls(struct snd_soc_codec *codec) | |
598 | { | |
599 | int err, i; | |
600 | ||
601 | for (i = 0; i < ARRAY_SIZE(twl4030_snd_controls); i++) { | |
602 | err = snd_ctl_add(codec->card, | |
603 | snd_soc_cnew(&twl4030_snd_controls[i], | |
604 | codec, NULL)); | |
605 | if (err < 0) | |
606 | return err; | |
607 | } | |
608 | ||
609 | return 0; | |
610 | } | |
611 | ||
612 | static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = { | |
613 | SND_SOC_DAPM_INPUT("INL"), | |
614 | SND_SOC_DAPM_INPUT("INR"), | |
615 | ||
616 | SND_SOC_DAPM_OUTPUT("OUTL"), | |
617 | SND_SOC_DAPM_OUTPUT("OUTR"), | |
618 | ||
619 | SND_SOC_DAPM_DAC("DACL", "Left Playback", SND_SOC_NOPM, 0, 0), | |
620 | SND_SOC_DAPM_DAC("DACR", "Right Playback", SND_SOC_NOPM, 0, 0), | |
621 | ||
622 | SND_SOC_DAPM_ADC("ADCL", "Left Capture", SND_SOC_NOPM, 0, 0), | |
623 | SND_SOC_DAPM_ADC("ADCR", "Right Capture", SND_SOC_NOPM, 0, 0), | |
624 | }; | |
625 | ||
626 | static const struct snd_soc_dapm_route intercon[] = { | |
627 | /* outputs */ | |
628 | {"OUTL", NULL, "DACL"}, | |
629 | {"OUTR", NULL, "DACR"}, | |
630 | ||
631 | /* inputs */ | |
632 | {"ADCL", NULL, "INL"}, | |
633 | {"ADCR", NULL, "INR"}, | |
634 | }; | |
635 | ||
636 | static int twl4030_add_widgets(struct snd_soc_codec *codec) | |
637 | { | |
638 | snd_soc_dapm_new_controls(codec, twl4030_dapm_widgets, | |
639 | ARRAY_SIZE(twl4030_dapm_widgets)); | |
640 | ||
641 | snd_soc_dapm_add_routes(codec, intercon, ARRAY_SIZE(intercon)); | |
642 | ||
643 | snd_soc_dapm_new_widgets(codec); | |
644 | return 0; | |
645 | } | |
646 | ||
647 | static void twl4030_power_up(struct snd_soc_codec *codec) | |
648 | { | |
649 | u8 anamicl, regmisc1, byte, popn, hsgain; | |
650 | int i = 0; | |
651 | ||
652 | /* set CODECPDZ to turn on codec */ | |
653 | twl4030_set_codecpdz(codec); | |
654 | ||
655 | /* initiate offset cancellation */ | |
656 | anamicl = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICL); | |
657 | twl4030_write(codec, TWL4030_REG_ANAMICL, | |
658 | anamicl | TWL4030_CNCL_OFFSET_START); | |
659 | ||
660 | /* wait for offset cancellation to complete */ | |
661 | do { | |
662 | /* this takes a little while, so don't slam i2c */ | |
663 | udelay(2000); | |
664 | twl4030_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte, | |
665 | TWL4030_REG_ANAMICL); | |
666 | } while ((i++ < 100) && | |
667 | ((byte & TWL4030_CNCL_OFFSET_START) == | |
668 | TWL4030_CNCL_OFFSET_START)); | |
669 | ||
670 | /* anti-pop when changing analog gain */ | |
671 | regmisc1 = twl4030_read_reg_cache(codec, TWL4030_REG_MISC_SET_1); | |
672 | twl4030_write(codec, TWL4030_REG_MISC_SET_1, | |
673 | regmisc1 | TWL4030_SMOOTH_ANAVOL_EN); | |
674 | ||
675 | /* toggle CODECPDZ as per TRM */ | |
676 | twl4030_clear_codecpdz(codec); | |
677 | twl4030_set_codecpdz(codec); | |
678 | ||
679 | /* program anti-pop with bias ramp delay */ | |
680 | popn = twl4030_read_reg_cache(codec, TWL4030_REG_HS_POPN_SET); | |
681 | popn &= TWL4030_RAMP_DELAY; | |
682 | popn |= TWL4030_RAMP_DELAY_645MS; | |
683 | twl4030_write(codec, TWL4030_REG_HS_POPN_SET, popn); | |
684 | popn |= TWL4030_VMID_EN; | |
685 | twl4030_write(codec, TWL4030_REG_HS_POPN_SET, popn); | |
686 | ||
687 | /* enable output stage and gain setting */ | |
688 | hsgain = TWL4030_HSR_GAIN_0DB | TWL4030_HSL_GAIN_0DB; | |
689 | twl4030_write(codec, TWL4030_REG_HS_GAIN_SET, hsgain); | |
690 | ||
691 | /* enable anti-pop ramp */ | |
692 | popn |= TWL4030_RAMP_EN; | |
693 | twl4030_write(codec, TWL4030_REG_HS_POPN_SET, popn); | |
694 | } | |
695 | ||
696 | static void twl4030_power_down(struct snd_soc_codec *codec) | |
697 | { | |
698 | u8 popn, hsgain; | |
699 | ||
700 | /* disable anti-pop ramp */ | |
701 | popn = twl4030_read_reg_cache(codec, TWL4030_REG_HS_POPN_SET); | |
702 | popn &= ~TWL4030_RAMP_EN; | |
703 | twl4030_write(codec, TWL4030_REG_HS_POPN_SET, popn); | |
704 | ||
705 | /* disable output stage and gain setting */ | |
706 | hsgain = TWL4030_HSR_GAIN_PWR_DOWN | TWL4030_HSL_GAIN_PWR_DOWN; | |
707 | twl4030_write(codec, TWL4030_REG_HS_GAIN_SET, hsgain); | |
708 | ||
709 | /* disable bias out */ | |
710 | popn &= ~TWL4030_VMID_EN; | |
711 | twl4030_write(codec, TWL4030_REG_HS_POPN_SET, popn); | |
712 | ||
713 | /* power down */ | |
714 | twl4030_clear_codecpdz(codec); | |
715 | } | |
716 | ||
717 | static int twl4030_set_bias_level(struct snd_soc_codec *codec, | |
718 | enum snd_soc_bias_level level) | |
719 | { | |
720 | switch (level) { | |
721 | case SND_SOC_BIAS_ON: | |
722 | twl4030_power_up(codec); | |
723 | break; | |
724 | case SND_SOC_BIAS_PREPARE: | |
725 | /* TODO: develop a twl4030_prepare function */ | |
726 | break; | |
727 | case SND_SOC_BIAS_STANDBY: | |
728 | /* TODO: develop a twl4030_standby function */ | |
729 | twl4030_power_down(codec); | |
730 | break; | |
731 | case SND_SOC_BIAS_OFF: | |
732 | twl4030_power_down(codec); | |
733 | break; | |
734 | } | |
735 | codec->bias_level = level; | |
736 | ||
737 | return 0; | |
738 | } | |
739 | ||
740 | static int twl4030_hw_params(struct snd_pcm_substream *substream, | |
dee89c4d MB |
741 | struct snd_pcm_hw_params *params, |
742 | struct snd_soc_dai *dai) | |
cc17557e SS |
743 | { |
744 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
745 | struct snd_soc_device *socdev = rtd->socdev; | |
746 | struct snd_soc_codec *codec = socdev->codec; | |
747 | u8 mode, old_mode, format, old_format; | |
748 | ||
749 | ||
750 | /* bit rate */ | |
751 | old_mode = twl4030_read_reg_cache(codec, | |
752 | TWL4030_REG_CODEC_MODE) & ~TWL4030_CODECPDZ; | |
753 | mode = old_mode & ~TWL4030_APLL_RATE; | |
754 | ||
755 | switch (params_rate(params)) { | |
756 | case 8000: | |
757 | mode |= TWL4030_APLL_RATE_8000; | |
758 | break; | |
759 | case 11025: | |
760 | mode |= TWL4030_APLL_RATE_11025; | |
761 | break; | |
762 | case 12000: | |
763 | mode |= TWL4030_APLL_RATE_12000; | |
764 | break; | |
765 | case 16000: | |
766 | mode |= TWL4030_APLL_RATE_16000; | |
767 | break; | |
768 | case 22050: | |
769 | mode |= TWL4030_APLL_RATE_22050; | |
770 | break; | |
771 | case 24000: | |
772 | mode |= TWL4030_APLL_RATE_24000; | |
773 | break; | |
774 | case 32000: | |
775 | mode |= TWL4030_APLL_RATE_32000; | |
776 | break; | |
777 | case 44100: | |
778 | mode |= TWL4030_APLL_RATE_44100; | |
779 | break; | |
780 | case 48000: | |
781 | mode |= TWL4030_APLL_RATE_48000; | |
782 | break; | |
783 | default: | |
784 | printk(KERN_ERR "TWL4030 hw params: unknown rate %d\n", | |
785 | params_rate(params)); | |
786 | return -EINVAL; | |
787 | } | |
788 | ||
789 | if (mode != old_mode) { | |
790 | /* change rate and set CODECPDZ */ | |
791 | twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode); | |
792 | twl4030_set_codecpdz(codec); | |
793 | } | |
794 | ||
795 | /* sample size */ | |
796 | old_format = twl4030_read_reg_cache(codec, TWL4030_REG_AUDIO_IF); | |
797 | format = old_format; | |
798 | format &= ~TWL4030_DATA_WIDTH; | |
799 | switch (params_format(params)) { | |
800 | case SNDRV_PCM_FORMAT_S16_LE: | |
801 | format |= TWL4030_DATA_WIDTH_16S_16W; | |
802 | break; | |
803 | case SNDRV_PCM_FORMAT_S24_LE: | |
804 | format |= TWL4030_DATA_WIDTH_32S_24W; | |
805 | break; | |
806 | default: | |
807 | printk(KERN_ERR "TWL4030 hw params: unknown format %d\n", | |
808 | params_format(params)); | |
809 | return -EINVAL; | |
810 | } | |
811 | ||
812 | if (format != old_format) { | |
813 | ||
814 | /* clear CODECPDZ before changing format (codec requirement) */ | |
815 | twl4030_clear_codecpdz(codec); | |
816 | ||
817 | /* change format */ | |
818 | twl4030_write(codec, TWL4030_REG_AUDIO_IF, format); | |
819 | ||
820 | /* set CODECPDZ afterwards */ | |
821 | twl4030_set_codecpdz(codec); | |
822 | } | |
823 | return 0; | |
824 | } | |
825 | ||
826 | static int twl4030_set_dai_sysclk(struct snd_soc_dai *codec_dai, | |
827 | int clk_id, unsigned int freq, int dir) | |
828 | { | |
829 | struct snd_soc_codec *codec = codec_dai->codec; | |
830 | u8 infreq; | |
831 | ||
832 | switch (freq) { | |
833 | case 19200000: | |
834 | infreq = TWL4030_APLL_INFREQ_19200KHZ; | |
835 | break; | |
836 | case 26000000: | |
837 | infreq = TWL4030_APLL_INFREQ_26000KHZ; | |
838 | break; | |
839 | case 38400000: | |
840 | infreq = TWL4030_APLL_INFREQ_38400KHZ; | |
841 | break; | |
842 | default: | |
843 | printk(KERN_ERR "TWL4030 set sysclk: unknown rate %d\n", | |
844 | freq); | |
845 | return -EINVAL; | |
846 | } | |
847 | ||
848 | infreq |= TWL4030_APLL_EN; | |
849 | twl4030_write(codec, TWL4030_REG_APLL_CTL, infreq); | |
850 | ||
851 | return 0; | |
852 | } | |
853 | ||
854 | static int twl4030_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
855 | unsigned int fmt) | |
856 | { | |
857 | struct snd_soc_codec *codec = codec_dai->codec; | |
858 | u8 old_format, format; | |
859 | ||
860 | /* get format */ | |
861 | old_format = twl4030_read_reg_cache(codec, TWL4030_REG_AUDIO_IF); | |
862 | format = old_format; | |
863 | ||
864 | /* set master/slave audio interface */ | |
865 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
866 | case SND_SOC_DAIFMT_CBM_CFM: | |
867 | format &= ~(TWL4030_AIF_SLAVE_EN); | |
e18c94d2 | 868 | format &= ~(TWL4030_CLK256FS_EN); |
cc17557e SS |
869 | break; |
870 | case SND_SOC_DAIFMT_CBS_CFS: | |
cc17557e | 871 | format |= TWL4030_AIF_SLAVE_EN; |
e18c94d2 | 872 | format |= TWL4030_CLK256FS_EN; |
cc17557e SS |
873 | break; |
874 | default: | |
875 | return -EINVAL; | |
876 | } | |
877 | ||
878 | /* interface format */ | |
879 | format &= ~TWL4030_AIF_FORMAT; | |
880 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
881 | case SND_SOC_DAIFMT_I2S: | |
882 | format |= TWL4030_AIF_FORMAT_CODEC; | |
883 | break; | |
884 | default: | |
885 | return -EINVAL; | |
886 | } | |
887 | ||
888 | if (format != old_format) { | |
889 | ||
890 | /* clear CODECPDZ before changing format (codec requirement) */ | |
891 | twl4030_clear_codecpdz(codec); | |
892 | ||
893 | /* change format */ | |
894 | twl4030_write(codec, TWL4030_REG_AUDIO_IF, format); | |
895 | ||
896 | /* set CODECPDZ afterwards */ | |
897 | twl4030_set_codecpdz(codec); | |
898 | } | |
899 | ||
900 | return 0; | |
901 | } | |
902 | ||
bbba9444 | 903 | #define TWL4030_RATES (SNDRV_PCM_RATE_8000_48000) |
cc17557e SS |
904 | #define TWL4030_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FORMAT_S24_LE) |
905 | ||
906 | struct snd_soc_dai twl4030_dai = { | |
907 | .name = "twl4030", | |
908 | .playback = { | |
909 | .stream_name = "Playback", | |
910 | .channels_min = 2, | |
911 | .channels_max = 2, | |
912 | .rates = TWL4030_RATES, | |
913 | .formats = TWL4030_FORMATS,}, | |
914 | .capture = { | |
915 | .stream_name = "Capture", | |
916 | .channels_min = 2, | |
917 | .channels_max = 2, | |
918 | .rates = TWL4030_RATES, | |
919 | .formats = TWL4030_FORMATS,}, | |
920 | .ops = { | |
921 | .hw_params = twl4030_hw_params, | |
cc17557e SS |
922 | .set_sysclk = twl4030_set_dai_sysclk, |
923 | .set_fmt = twl4030_set_dai_fmt, | |
924 | } | |
925 | }; | |
926 | EXPORT_SYMBOL_GPL(twl4030_dai); | |
927 | ||
928 | static int twl4030_suspend(struct platform_device *pdev, pm_message_t state) | |
929 | { | |
930 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
931 | struct snd_soc_codec *codec = socdev->codec; | |
932 | ||
933 | twl4030_set_bias_level(codec, SND_SOC_BIAS_OFF); | |
934 | ||
935 | return 0; | |
936 | } | |
937 | ||
938 | static int twl4030_resume(struct platform_device *pdev) | |
939 | { | |
940 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
941 | struct snd_soc_codec *codec = socdev->codec; | |
942 | ||
943 | twl4030_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | |
944 | twl4030_set_bias_level(codec, codec->suspend_bias_level); | |
945 | return 0; | |
946 | } | |
947 | ||
948 | /* | |
949 | * initialize the driver | |
950 | * register the mixer and dsp interfaces with the kernel | |
951 | */ | |
952 | ||
953 | static int twl4030_init(struct snd_soc_device *socdev) | |
954 | { | |
955 | struct snd_soc_codec *codec = socdev->codec; | |
956 | int ret = 0; | |
957 | ||
958 | printk(KERN_INFO "TWL4030 Audio Codec init \n"); | |
959 | ||
960 | codec->name = "twl4030"; | |
961 | codec->owner = THIS_MODULE; | |
962 | codec->read = twl4030_read_reg_cache; | |
963 | codec->write = twl4030_write; | |
964 | codec->set_bias_level = twl4030_set_bias_level; | |
965 | codec->dai = &twl4030_dai; | |
966 | codec->num_dai = 1; | |
967 | codec->reg_cache_size = sizeof(twl4030_reg); | |
968 | codec->reg_cache = kmemdup(twl4030_reg, sizeof(twl4030_reg), | |
969 | GFP_KERNEL); | |
970 | if (codec->reg_cache == NULL) | |
971 | return -ENOMEM; | |
972 | ||
973 | /* register pcms */ | |
974 | ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); | |
975 | if (ret < 0) { | |
976 | printk(KERN_ERR "twl4030: failed to create pcms\n"); | |
977 | goto pcm_err; | |
978 | } | |
979 | ||
980 | twl4030_init_chip(codec); | |
981 | ||
982 | /* power on device */ | |
983 | twl4030_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | |
984 | ||
985 | twl4030_add_controls(codec); | |
986 | twl4030_add_widgets(codec); | |
987 | ||
968a6025 | 988 | ret = snd_soc_init_card(socdev); |
cc17557e SS |
989 | if (ret < 0) { |
990 | printk(KERN_ERR "twl4030: failed to register card\n"); | |
991 | goto card_err; | |
992 | } | |
993 | ||
994 | return ret; | |
995 | ||
996 | card_err: | |
997 | snd_soc_free_pcms(socdev); | |
998 | snd_soc_dapm_free(socdev); | |
999 | pcm_err: | |
1000 | kfree(codec->reg_cache); | |
1001 | return ret; | |
1002 | } | |
1003 | ||
1004 | static struct snd_soc_device *twl4030_socdev; | |
1005 | ||
1006 | static int twl4030_probe(struct platform_device *pdev) | |
1007 | { | |
1008 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
1009 | struct snd_soc_codec *codec; | |
1010 | ||
1011 | codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); | |
1012 | if (codec == NULL) | |
1013 | return -ENOMEM; | |
1014 | ||
1015 | socdev->codec = codec; | |
1016 | mutex_init(&codec->mutex); | |
1017 | INIT_LIST_HEAD(&codec->dapm_widgets); | |
1018 | INIT_LIST_HEAD(&codec->dapm_paths); | |
1019 | ||
1020 | twl4030_socdev = socdev; | |
1021 | twl4030_init(socdev); | |
1022 | ||
1023 | return 0; | |
1024 | } | |
1025 | ||
1026 | static int twl4030_remove(struct platform_device *pdev) | |
1027 | { | |
1028 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
1029 | struct snd_soc_codec *codec = socdev->codec; | |
1030 | ||
1031 | printk(KERN_INFO "TWL4030 Audio Codec remove\n"); | |
1032 | kfree(codec); | |
1033 | ||
1034 | return 0; | |
1035 | } | |
1036 | ||
1037 | struct snd_soc_codec_device soc_codec_dev_twl4030 = { | |
1038 | .probe = twl4030_probe, | |
1039 | .remove = twl4030_remove, | |
1040 | .suspend = twl4030_suspend, | |
1041 | .resume = twl4030_resume, | |
1042 | }; | |
1043 | EXPORT_SYMBOL_GPL(soc_codec_dev_twl4030); | |
1044 | ||
1045 | MODULE_DESCRIPTION("ASoC TWL4030 codec driver"); | |
1046 | MODULE_AUTHOR("Steve Sakoman"); | |
1047 | MODULE_LICENSE("GPL"); |