]>
Commit | Line | Data |
---|---|---|
bd6d4177 MA |
1 | /* |
2 | * wm8711.c -- WM8711 ALSA SoC Audio driver | |
3 | * | |
4 | * Copyright 2006 Wolfson Microelectronics | |
5 | * | |
9a185b9a | 6 | * Author: Mike Arthur <Mike.Arthur@wolfsonmicro.com> |
bd6d4177 MA |
7 | * |
8 | * Based on wm8731.c by Richard Purdie | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | */ | |
14 | ||
15 | #include <linux/module.h> | |
16 | #include <linux/moduleparam.h> | |
17 | #include <linux/init.h> | |
18 | #include <linux/delay.h> | |
19 | #include <linux/pm.h> | |
20 | #include <linux/i2c.h> | |
5aa5fa9f | 21 | #include <linux/regmap.h> |
bb262767 | 22 | #include <linux/spi/spi.h> |
5a0e3ad6 | 23 | #include <linux/slab.h> |
1552c8f6 | 24 | #include <linux/of_device.h> |
bd6d4177 MA |
25 | #include <sound/core.h> |
26 | #include <sound/pcm.h> | |
27 | #include <sound/pcm_params.h> | |
28 | #include <sound/soc.h> | |
b5ab887e | 29 | #include <sound/tlv.h> |
bd6d4177 MA |
30 | #include <sound/initval.h> |
31 | ||
32 | #include "wm8711.h" | |
33 | ||
bd6d4177 MA |
34 | /* codec private data */ |
35 | struct wm8711_priv { | |
5aa5fa9f | 36 | struct regmap *regmap; |
bd6d4177 MA |
37 | unsigned int sysclk; |
38 | }; | |
39 | ||
40 | /* | |
41 | * wm8711 register cache | |
42 | * We can't read the WM8711 register space when we are | |
43 | * using 2 wire for device control, so we cache them instead. | |
44 | * There is no point in caching the reset register | |
45 | */ | |
5aa5fa9f MB |
46 | static const struct reg_default wm8711_reg_defaults[] = { |
47 | { 0, 0x0079 }, { 1, 0x0079 }, { 2, 0x000a }, { 3, 0x0008 }, | |
48 | { 4, 0x009f }, { 5, 0x000a }, { 6, 0x0000 }, { 7, 0x0000 }, | |
bd6d4177 MA |
49 | }; |
50 | ||
5aa5fa9f MB |
51 | static bool wm8711_volatile(struct device *dev, unsigned int reg) |
52 | { | |
53 | switch (reg) { | |
54 | case WM8711_RESET: | |
55 | return true; | |
56 | default: | |
57 | return false; | |
58 | } | |
59 | } | |
60 | ||
d97d2e35 | 61 | #define wm8711_reset(c) snd_soc_write(c, WM8711_RESET, 0) |
bd6d4177 | 62 | |
b5ab887e MB |
63 | static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1); |
64 | ||
bd6d4177 MA |
65 | static const struct snd_kcontrol_new wm8711_snd_controls[] = { |
66 | ||
b5ab887e MB |
67 | SOC_DOUBLE_R_TLV("Master Playback Volume", WM8711_LOUT1V, WM8711_ROUT1V, |
68 | 0, 127, 0, out_tlv), | |
bd6d4177 MA |
69 | SOC_DOUBLE_R("Master Playback ZC Switch", WM8711_LOUT1V, WM8711_ROUT1V, |
70 | 7, 1, 0), | |
71 | ||
72 | }; | |
73 | ||
bd6d4177 MA |
74 | /* Output Mixer */ |
75 | static const struct snd_kcontrol_new wm8711_output_mixer_controls[] = { | |
76 | SOC_DAPM_SINGLE("Line Bypass Switch", WM8711_APANA, 3, 1, 0), | |
77 | SOC_DAPM_SINGLE("HiFi Playback Switch", WM8711_APANA, 4, 1, 0), | |
78 | }; | |
79 | ||
80 | static const struct snd_soc_dapm_widget wm8711_dapm_widgets[] = { | |
81 | SND_SOC_DAPM_MIXER("Output Mixer", WM8711_PWR, 4, 1, | |
82 | &wm8711_output_mixer_controls[0], | |
83 | ARRAY_SIZE(wm8711_output_mixer_controls)), | |
84 | SND_SOC_DAPM_DAC("DAC", "HiFi Playback", WM8711_PWR, 3, 1), | |
85 | SND_SOC_DAPM_OUTPUT("LOUT"), | |
86 | SND_SOC_DAPM_OUTPUT("LHPOUT"), | |
87 | SND_SOC_DAPM_OUTPUT("ROUT"), | |
88 | SND_SOC_DAPM_OUTPUT("RHPOUT"), | |
89 | }; | |
90 | ||
20314000 | 91 | static const struct snd_soc_dapm_route wm8711_intercon[] = { |
bd6d4177 MA |
92 | /* output mixer */ |
93 | {"Output Mixer", "Line Bypass Switch", "Line Input"}, | |
94 | {"Output Mixer", "HiFi Playback Switch", "DAC"}, | |
95 | ||
96 | /* outputs */ | |
97 | {"RHPOUT", NULL, "Output Mixer"}, | |
98 | {"ROUT", NULL, "Output Mixer"}, | |
99 | {"LHPOUT", NULL, "Output Mixer"}, | |
100 | {"LOUT", NULL, "Output Mixer"}, | |
101 | }; | |
102 | ||
bd6d4177 MA |
103 | struct _coeff_div { |
104 | u32 mclk; | |
105 | u32 rate; | |
106 | u16 fs; | |
107 | u8 sr:4; | |
108 | u8 bosr:1; | |
109 | u8 usb:1; | |
110 | }; | |
111 | ||
112 | /* codec mclk clock divider coefficients */ | |
113 | static const struct _coeff_div coeff_div[] = { | |
114 | /* 48k */ | |
115 | {12288000, 48000, 256, 0x0, 0x0, 0x0}, | |
116 | {18432000, 48000, 384, 0x0, 0x1, 0x0}, | |
117 | {12000000, 48000, 250, 0x0, 0x0, 0x1}, | |
118 | ||
119 | /* 32k */ | |
120 | {12288000, 32000, 384, 0x6, 0x0, 0x0}, | |
121 | {18432000, 32000, 576, 0x6, 0x1, 0x0}, | |
122 | {12000000, 32000, 375, 0x6, 0x0, 0x1}, | |
123 | ||
124 | /* 8k */ | |
125 | {12288000, 8000, 1536, 0x3, 0x0, 0x0}, | |
126 | {18432000, 8000, 2304, 0x3, 0x1, 0x0}, | |
127 | {11289600, 8000, 1408, 0xb, 0x0, 0x0}, | |
128 | {16934400, 8000, 2112, 0xb, 0x1, 0x0}, | |
129 | {12000000, 8000, 1500, 0x3, 0x0, 0x1}, | |
130 | ||
131 | /* 96k */ | |
132 | {12288000, 96000, 128, 0x7, 0x0, 0x0}, | |
133 | {18432000, 96000, 192, 0x7, 0x1, 0x0}, | |
134 | {12000000, 96000, 125, 0x7, 0x0, 0x1}, | |
135 | ||
136 | /* 44.1k */ | |
137 | {11289600, 44100, 256, 0x8, 0x0, 0x0}, | |
138 | {16934400, 44100, 384, 0x8, 0x1, 0x0}, | |
139 | {12000000, 44100, 272, 0x8, 0x1, 0x1}, | |
140 | ||
141 | /* 88.2k */ | |
142 | {11289600, 88200, 128, 0xf, 0x0, 0x0}, | |
143 | {16934400, 88200, 192, 0xf, 0x1, 0x0}, | |
144 | {12000000, 88200, 136, 0xf, 0x1, 0x1}, | |
145 | }; | |
146 | ||
147 | static inline int get_coeff(int mclk, int rate) | |
148 | { | |
149 | int i; | |
150 | ||
151 | for (i = 0; i < ARRAY_SIZE(coeff_div); i++) { | |
152 | if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk) | |
153 | return i; | |
154 | } | |
155 | return 0; | |
156 | } | |
157 | ||
158 | static int wm8711_hw_params(struct snd_pcm_substream *substream, | |
159 | struct snd_pcm_hw_params *params, | |
160 | struct snd_soc_dai *dai) | |
161 | { | |
162 | struct snd_soc_codec *codec = dai->codec; | |
f0fba2ad | 163 | struct wm8711_priv *wm8711 = snd_soc_codec_get_drvdata(codec); |
04c57163 | 164 | u16 iface = snd_soc_read(codec, WM8711_IFACE) & 0xfff3; |
bd6d4177 MA |
165 | int i = get_coeff(wm8711->sysclk, params_rate(params)); |
166 | u16 srate = (coeff_div[i].sr << 2) | | |
167 | (coeff_div[i].bosr << 1) | coeff_div[i].usb; | |
168 | ||
d97d2e35 | 169 | snd_soc_write(codec, WM8711_SRATE, srate); |
bd6d4177 MA |
170 | |
171 | /* bit size */ | |
b9abb548 MB |
172 | switch (params_width(params)) { |
173 | case 16: | |
bd6d4177 | 174 | break; |
b9abb548 | 175 | case 20: |
bd6d4177 MA |
176 | iface |= 0x0004; |
177 | break; | |
b9abb548 | 178 | case 24: |
bd6d4177 MA |
179 | iface |= 0x0008; |
180 | break; | |
181 | } | |
182 | ||
d97d2e35 | 183 | snd_soc_write(codec, WM8711_IFACE, iface); |
bd6d4177 MA |
184 | return 0; |
185 | } | |
186 | ||
187 | static int wm8711_pcm_prepare(struct snd_pcm_substream *substream, | |
188 | struct snd_soc_dai *dai) | |
189 | { | |
190 | struct snd_soc_codec *codec = dai->codec; | |
191 | ||
192 | /* set active */ | |
d97d2e35 | 193 | snd_soc_write(codec, WM8711_ACTIVE, 0x0001); |
bd6d4177 MA |
194 | |
195 | return 0; | |
196 | } | |
197 | ||
198 | static void wm8711_shutdown(struct snd_pcm_substream *substream, | |
199 | struct snd_soc_dai *dai) | |
200 | { | |
201 | struct snd_soc_codec *codec = dai->codec; | |
202 | ||
203 | /* deactivate */ | |
5c898e74 | 204 | if (!snd_soc_codec_is_active(codec)) { |
bd6d4177 | 205 | udelay(50); |
d97d2e35 | 206 | snd_soc_write(codec, WM8711_ACTIVE, 0x0); |
bd6d4177 MA |
207 | } |
208 | } | |
209 | ||
210 | static int wm8711_mute(struct snd_soc_dai *dai, int mute) | |
211 | { | |
212 | struct snd_soc_codec *codec = dai->codec; | |
d97d2e35 | 213 | u16 mute_reg = snd_soc_read(codec, WM8711_APDIGI) & 0xfff7; |
bd6d4177 MA |
214 | |
215 | if (mute) | |
d97d2e35 | 216 | snd_soc_write(codec, WM8711_APDIGI, mute_reg | 0x8); |
bd6d4177 | 217 | else |
d97d2e35 | 218 | snd_soc_write(codec, WM8711_APDIGI, mute_reg); |
bd6d4177 MA |
219 | |
220 | return 0; | |
221 | } | |
222 | ||
223 | static int wm8711_set_dai_sysclk(struct snd_soc_dai *codec_dai, | |
224 | int clk_id, unsigned int freq, int dir) | |
225 | { | |
226 | struct snd_soc_codec *codec = codec_dai->codec; | |
f0fba2ad | 227 | struct wm8711_priv *wm8711 = snd_soc_codec_get_drvdata(codec); |
bd6d4177 MA |
228 | |
229 | switch (freq) { | |
230 | case 11289600: | |
231 | case 12000000: | |
232 | case 12288000: | |
233 | case 16934400: | |
234 | case 18432000: | |
235 | wm8711->sysclk = freq; | |
236 | return 0; | |
237 | } | |
238 | return -EINVAL; | |
239 | } | |
240 | ||
241 | static int wm8711_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
242 | unsigned int fmt) | |
243 | { | |
244 | struct snd_soc_codec *codec = codec_dai->codec; | |
d558cfc3 | 245 | u16 iface = snd_soc_read(codec, WM8711_IFACE) & 0x000c; |
bd6d4177 MA |
246 | |
247 | /* set master/slave audio interface */ | |
248 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
249 | case SND_SOC_DAIFMT_CBM_CFM: | |
250 | iface |= 0x0040; | |
251 | break; | |
252 | case SND_SOC_DAIFMT_CBS_CFS: | |
253 | break; | |
254 | default: | |
255 | return -EINVAL; | |
256 | } | |
257 | ||
258 | /* interface format */ | |
259 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
260 | case SND_SOC_DAIFMT_I2S: | |
261 | iface |= 0x0002; | |
262 | break; | |
263 | case SND_SOC_DAIFMT_RIGHT_J: | |
264 | break; | |
265 | case SND_SOC_DAIFMT_LEFT_J: | |
266 | iface |= 0x0001; | |
267 | break; | |
268 | case SND_SOC_DAIFMT_DSP_A: | |
269 | iface |= 0x0003; | |
270 | break; | |
271 | case SND_SOC_DAIFMT_DSP_B: | |
272 | iface |= 0x0013; | |
273 | break; | |
274 | default: | |
275 | return -EINVAL; | |
276 | } | |
277 | ||
278 | /* clock inversion */ | |
279 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
280 | case SND_SOC_DAIFMT_NB_NF: | |
281 | break; | |
282 | case SND_SOC_DAIFMT_IB_IF: | |
283 | iface |= 0x0090; | |
284 | break; | |
285 | case SND_SOC_DAIFMT_IB_NF: | |
286 | iface |= 0x0080; | |
287 | break; | |
288 | case SND_SOC_DAIFMT_NB_IF: | |
289 | iface |= 0x0010; | |
290 | break; | |
291 | default: | |
292 | return -EINVAL; | |
293 | } | |
294 | ||
295 | /* set iface */ | |
d97d2e35 | 296 | snd_soc_write(codec, WM8711_IFACE, iface); |
bd6d4177 MA |
297 | return 0; |
298 | } | |
299 | ||
bd6d4177 MA |
300 | static int wm8711_set_bias_level(struct snd_soc_codec *codec, |
301 | enum snd_soc_bias_level level) | |
302 | { | |
5aa5fa9f | 303 | struct wm8711_priv *wm8711 = snd_soc_codec_get_drvdata(codec); |
d97d2e35 | 304 | u16 reg = snd_soc_read(codec, WM8711_PWR) & 0xff7f; |
bd6d4177 MA |
305 | |
306 | switch (level) { | |
307 | case SND_SOC_BIAS_ON: | |
d97d2e35 | 308 | snd_soc_write(codec, WM8711_PWR, reg); |
bd6d4177 MA |
309 | break; |
310 | case SND_SOC_BIAS_PREPARE: | |
311 | break; | |
312 | case SND_SOC_BIAS_STANDBY: | |
f235d94f | 313 | if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) |
5aa5fa9f | 314 | regcache_sync(wm8711->regmap); |
960622da | 315 | |
d97d2e35 | 316 | snd_soc_write(codec, WM8711_PWR, reg | 0x0040); |
bd6d4177 MA |
317 | break; |
318 | case SND_SOC_BIAS_OFF: | |
d97d2e35 MB |
319 | snd_soc_write(codec, WM8711_ACTIVE, 0x0); |
320 | snd_soc_write(codec, WM8711_PWR, 0xffff); | |
bd6d4177 MA |
321 | break; |
322 | } | |
bd6d4177 MA |
323 | return 0; |
324 | } | |
325 | ||
431f7771 | 326 | #define WM8711_RATES SNDRV_PCM_RATE_8000_96000 |
bd6d4177 MA |
327 | |
328 | #define WM8711_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ | |
329 | SNDRV_PCM_FMTBIT_S24_LE) | |
330 | ||
85e7652d | 331 | static const struct snd_soc_dai_ops wm8711_ops = { |
bd6d4177 MA |
332 | .prepare = wm8711_pcm_prepare, |
333 | .hw_params = wm8711_hw_params, | |
334 | .shutdown = wm8711_shutdown, | |
335 | .digital_mute = wm8711_mute, | |
336 | .set_sysclk = wm8711_set_dai_sysclk, | |
337 | .set_fmt = wm8711_set_dai_fmt, | |
338 | }; | |
339 | ||
f0fba2ad LG |
340 | static struct snd_soc_dai_driver wm8711_dai = { |
341 | .name = "wm8711-hifi", | |
bd6d4177 MA |
342 | .playback = { |
343 | .stream_name = "Playback", | |
344 | .channels_min = 1, | |
345 | .channels_max = 2, | |
346 | .rates = WM8711_RATES, | |
431f7771 MB |
347 | .formats = WM8711_FORMATS, |
348 | }, | |
bd6d4177 MA |
349 | .ops = &wm8711_ops, |
350 | }; | |
bd6d4177 | 351 | |
f0fba2ad | 352 | static int wm8711_probe(struct snd_soc_codec *codec) |
bd6d4177 | 353 | { |
d434bc32 | 354 | int ret; |
bd6d4177 | 355 | |
318b0b8d | 356 | ret = wm8711_reset(codec); |
bd6d4177 | 357 | if (ret < 0) { |
318b0b8d | 358 | dev_err(codec->dev, "Failed to issue reset\n"); |
f0fba2ad | 359 | return ret; |
bd6d4177 | 360 | } |
bd6d4177 | 361 | |
318b0b8d | 362 | /* Latch the update bits */ |
11b9ce62 AL |
363 | snd_soc_update_bits(codec, WM8711_LOUT1V, 0x0100, 0x0100); |
364 | snd_soc_update_bits(codec, WM8711_ROUT1V, 0x0100, 0x0100); | |
318b0b8d | 365 | |
d97d2e35 | 366 | return ret; |
f0fba2ad | 367 | |
bd6d4177 MA |
368 | } |
369 | ||
f0fba2ad LG |
370 | static struct snd_soc_codec_driver soc_codec_dev_wm8711 = { |
371 | .probe = wm8711_probe, | |
f0fba2ad | 372 | .set_bias_level = wm8711_set_bias_level, |
0bd324b1 LPC |
373 | .suspend_bias_off = true, |
374 | ||
e324d8fa KM |
375 | .component_driver = { |
376 | .controls = wm8711_snd_controls, | |
377 | .num_controls = ARRAY_SIZE(wm8711_snd_controls), | |
378 | .dapm_widgets = wm8711_dapm_widgets, | |
379 | .num_dapm_widgets = ARRAY_SIZE(wm8711_dapm_widgets), | |
380 | .dapm_routes = wm8711_intercon, | |
381 | .num_dapm_routes = ARRAY_SIZE(wm8711_intercon), | |
382 | }, | |
f0fba2ad LG |
383 | }; |
384 | ||
1552c8f6 MB |
385 | static const struct of_device_id wm8711_of_match[] = { |
386 | { .compatible = "wlf,wm8711", }, | |
387 | { } | |
388 | }; | |
389 | MODULE_DEVICE_TABLE(of, wm8711_of_match); | |
390 | ||
5aa5fa9f MB |
391 | static const struct regmap_config wm8711_regmap = { |
392 | .reg_bits = 7, | |
393 | .val_bits = 9, | |
394 | .max_register = WM8711_RESET, | |
395 | ||
396 | .reg_defaults = wm8711_reg_defaults, | |
397 | .num_reg_defaults = ARRAY_SIZE(wm8711_reg_defaults), | |
398 | .cache_type = REGCACHE_RBTREE, | |
399 | ||
400 | .volatile_reg = wm8711_volatile, | |
401 | }; | |
402 | ||
08aff8cd | 403 | #if defined(CONFIG_SPI_MASTER) |
7a79e94e | 404 | static int wm8711_spi_probe(struct spi_device *spi) |
08aff8cd | 405 | { |
08aff8cd | 406 | struct wm8711_priv *wm8711; |
f0fba2ad | 407 | int ret; |
08aff8cd | 408 | |
e908ef40 MB |
409 | wm8711 = devm_kzalloc(&spi->dev, sizeof(struct wm8711_priv), |
410 | GFP_KERNEL); | |
08aff8cd MB |
411 | if (wm8711 == NULL) |
412 | return -ENOMEM; | |
413 | ||
5aa5fa9f MB |
414 | wm8711->regmap = devm_regmap_init_spi(spi, &wm8711_regmap); |
415 | if (IS_ERR(wm8711->regmap)) | |
416 | return PTR_ERR(wm8711->regmap); | |
417 | ||
f0fba2ad | 418 | spi_set_drvdata(spi, wm8711); |
08aff8cd | 419 | |
f0fba2ad LG |
420 | ret = snd_soc_register_codec(&spi->dev, |
421 | &soc_codec_dev_wm8711, &wm8711_dai, 1); | |
e908ef40 | 422 | |
f0fba2ad | 423 | return ret; |
08aff8cd MB |
424 | } |
425 | ||
7a79e94e | 426 | static int wm8711_spi_remove(struct spi_device *spi) |
08aff8cd | 427 | { |
f0fba2ad | 428 | snd_soc_unregister_codec(&spi->dev); |
e908ef40 | 429 | |
08aff8cd MB |
430 | return 0; |
431 | } | |
432 | ||
08aff8cd MB |
433 | static struct spi_driver wm8711_spi_driver = { |
434 | .driver = { | |
0473e61b | 435 | .name = "wm8711", |
1552c8f6 | 436 | .of_match_table = wm8711_of_match, |
08aff8cd MB |
437 | }, |
438 | .probe = wm8711_spi_probe, | |
7a79e94e | 439 | .remove = wm8711_spi_remove, |
08aff8cd MB |
440 | }; |
441 | #endif /* CONFIG_SPI_MASTER */ | |
442 | ||
2309d675 | 443 | #if IS_ENABLED(CONFIG_I2C) |
7a79e94e BP |
444 | static int wm8711_i2c_probe(struct i2c_client *client, |
445 | const struct i2c_device_id *id) | |
bd6d4177 | 446 | { |
bd6d4177 | 447 | struct wm8711_priv *wm8711; |
f0fba2ad | 448 | int ret; |
bd6d4177 | 449 | |
e908ef40 MB |
450 | wm8711 = devm_kzalloc(&client->dev, sizeof(struct wm8711_priv), |
451 | GFP_KERNEL); | |
318b0b8d | 452 | if (wm8711 == NULL) |
bd6d4177 | 453 | return -ENOMEM; |
bd6d4177 | 454 | |
5aa5fa9f MB |
455 | wm8711->regmap = devm_regmap_init_i2c(client, &wm8711_regmap); |
456 | if (IS_ERR(wm8711->regmap)) | |
457 | return PTR_ERR(wm8711->regmap); | |
458 | ||
f0fba2ad | 459 | i2c_set_clientdata(client, wm8711); |
bd6d4177 | 460 | |
f0fba2ad LG |
461 | ret = snd_soc_register_codec(&client->dev, |
462 | &soc_codec_dev_wm8711, &wm8711_dai, 1); | |
e908ef40 | 463 | |
f0fba2ad | 464 | return ret; |
318b0b8d | 465 | } |
bd6d4177 | 466 | |
7a79e94e | 467 | static int wm8711_i2c_remove(struct i2c_client *client) |
318b0b8d | 468 | { |
f0fba2ad | 469 | snd_soc_unregister_codec(&client->dev); |
bd6d4177 MA |
470 | return 0; |
471 | } | |
472 | ||
318b0b8d MB |
473 | static const struct i2c_device_id wm8711_i2c_id[] = { |
474 | { "wm8711", 0 }, | |
475 | { } | |
bd6d4177 | 476 | }; |
318b0b8d MB |
477 | MODULE_DEVICE_TABLE(i2c, wm8711_i2c_id); |
478 | ||
479 | static struct i2c_driver wm8711_i2c_driver = { | |
480 | .driver = { | |
0473e61b | 481 | .name = "wm8711", |
1552c8f6 | 482 | .of_match_table = wm8711_of_match, |
318b0b8d MB |
483 | }, |
484 | .probe = wm8711_i2c_probe, | |
7a79e94e | 485 | .remove = wm8711_i2c_remove, |
318b0b8d MB |
486 | .id_table = wm8711_i2c_id, |
487 | }; | |
488 | #endif | |
bd6d4177 MA |
489 | |
490 | static int __init wm8711_modinit(void) | |
491 | { | |
318b0b8d | 492 | int ret; |
2309d675 | 493 | #if IS_ENABLED(CONFIG_I2C) |
318b0b8d MB |
494 | ret = i2c_add_driver(&wm8711_i2c_driver); |
495 | if (ret != 0) { | |
496 | printk(KERN_ERR "Failed to register WM8711 I2C driver: %d\n", | |
497 | ret); | |
498 | } | |
08aff8cd MB |
499 | #endif |
500 | #if defined(CONFIG_SPI_MASTER) | |
bb262767 | 501 | ret = spi_register_driver(&wm8711_spi_driver); |
08aff8cd | 502 | if (ret != 0) { |
bb262767 | 503 | printk(KERN_ERR "Failed to register WM8711 SPI driver: %d\n", |
08aff8cd MB |
504 | ret); |
505 | } | |
318b0b8d MB |
506 | #endif |
507 | return 0; | |
bd6d4177 MA |
508 | } |
509 | module_init(wm8711_modinit); | |
510 | ||
511 | static void __exit wm8711_exit(void) | |
512 | { | |
2309d675 | 513 | #if IS_ENABLED(CONFIG_I2C) |
318b0b8d MB |
514 | i2c_del_driver(&wm8711_i2c_driver); |
515 | #endif | |
08aff8cd | 516 | #if defined(CONFIG_SPI_MASTER) |
bb262767 | 517 | spi_unregister_driver(&wm8711_spi_driver); |
08aff8cd | 518 | #endif |
bd6d4177 MA |
519 | } |
520 | module_exit(wm8711_exit); | |
521 | ||
522 | MODULE_DESCRIPTION("ASoC WM8711 driver"); | |
523 | MODULE_AUTHOR("Mike Arthur"); | |
524 | MODULE_LICENSE("GPL"); |