Commit | Line | Data |
---|---|---|
f2390880 KM |
1 | /* |
2 | * ASoC simple sound card support | |
3 | * | |
4 | * Copyright (C) 2012 Renesas Solutions Corp. | |
5 | * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
fa558c28 | 11 | #include <linux/clk.h> |
6ff62eed | 12 | #include <linux/device.h> |
3fe24032 | 13 | #include <linux/gpio.h> |
f2390880 | 14 | #include <linux/module.h> |
fa558c28 | 15 | #include <linux/of.h> |
3fe24032 | 16 | #include <linux/of_gpio.h> |
f2390880 | 17 | #include <linux/platform_device.h> |
ca919fe4 | 18 | #include <linux/string.h> |
3fe24032 | 19 | #include <sound/jack.h> |
f2390880 | 20 | #include <sound/simple_card.h> |
6ff62eed XL |
21 | #include <sound/soc-dai.h> |
22 | #include <sound/soc.h> | |
f2390880 | 23 | |
45fce594 JFM |
24 | struct simple_card_data { |
25 | struct snd_soc_card snd_card; | |
cf7dc23c JFM |
26 | struct simple_dai_props { |
27 | struct asoc_simple_dai cpu_dai; | |
28 | struct asoc_simple_dai codec_dai; | |
85a4bfd8 | 29 | unsigned int mclk_fs; |
cf7dc23c | 30 | } *dai_props; |
2942a0e2 | 31 | unsigned int mclk_fs; |
3fe24032 | 32 | int gpio_hp_det; |
4476159f | 33 | int gpio_hp_det_invert; |
3fe24032 | 34 | int gpio_mic_det; |
4476159f | 35 | int gpio_mic_det_invert; |
cf7dc23c | 36 | struct snd_soc_dai_link dai_link[]; /* dynamically allocated */ |
45fce594 JFM |
37 | }; |
38 | ||
f531913f | 39 | #define simple_priv_to_dev(priv) ((priv)->snd_card.dev) |
9810f537 KM |
40 | #define simple_priv_to_link(priv, i) ((priv)->snd_card.dai_link + i) |
41 | #define simple_priv_to_props(priv, i) ((priv)->dai_props + i) | |
f531913f | 42 | |
548563fa KM |
43 | #define PREFIX "simple-audio-card," |
44 | ||
f9911803 JS |
45 | static int asoc_simple_card_startup(struct snd_pcm_substream *substream) |
46 | { | |
47 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
48 | struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); | |
49 | struct simple_dai_props *dai_props = | |
1a497983 | 50 | &priv->dai_props[rtd->num]; |
f9911803 JS |
51 | int ret; |
52 | ||
53 | ret = clk_prepare_enable(dai_props->cpu_dai.clk); | |
54 | if (ret) | |
55 | return ret; | |
56 | ||
57 | ret = clk_prepare_enable(dai_props->codec_dai.clk); | |
58 | if (ret) | |
59 | clk_disable_unprepare(dai_props->cpu_dai.clk); | |
60 | ||
61 | return ret; | |
62 | } | |
63 | ||
64 | static void asoc_simple_card_shutdown(struct snd_pcm_substream *substream) | |
65 | { | |
66 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
67 | struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); | |
68 | struct simple_dai_props *dai_props = | |
1a497983 | 69 | &priv->dai_props[rtd->num]; |
f9911803 JS |
70 | |
71 | clk_disable_unprepare(dai_props->cpu_dai.clk); | |
72 | ||
73 | clk_disable_unprepare(dai_props->codec_dai.clk); | |
74 | } | |
75 | ||
2942a0e2 AL |
76 | static int asoc_simple_card_hw_params(struct snd_pcm_substream *substream, |
77 | struct snd_pcm_hw_params *params) | |
78 | { | |
79 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
80 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
e2257971 | 81 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
2942a0e2 | 82 | struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); |
1a497983 | 83 | struct simple_dai_props *dai_props = &priv->dai_props[rtd->num]; |
85a4bfd8 | 84 | unsigned int mclk, mclk_fs = 0; |
2942a0e2 AL |
85 | int ret = 0; |
86 | ||
85a4bfd8 AP |
87 | if (priv->mclk_fs) |
88 | mclk_fs = priv->mclk_fs; | |
89 | else if (dai_props->mclk_fs) | |
90 | mclk_fs = dai_props->mclk_fs; | |
91 | ||
92 | if (mclk_fs) { | |
93 | mclk = params_rate(params) * mclk_fs; | |
2942a0e2 AL |
94 | ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, |
95 | SND_SOC_CLOCK_IN); | |
e2257971 AP |
96 | if (ret && ret != -ENOTSUPP) |
97 | goto err; | |
98 | ||
99 | ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk, | |
100 | SND_SOC_CLOCK_OUT); | |
101 | if (ret && ret != -ENOTSUPP) | |
102 | goto err; | |
2942a0e2 | 103 | } |
ee43a1a0 | 104 | return 0; |
e2257971 | 105 | err: |
2942a0e2 AL |
106 | return ret; |
107 | } | |
108 | ||
109 | static struct snd_soc_ops asoc_simple_card_ops = { | |
f9911803 JS |
110 | .startup = asoc_simple_card_startup, |
111 | .shutdown = asoc_simple_card_shutdown, | |
2942a0e2 AL |
112 | .hw_params = asoc_simple_card_hw_params, |
113 | }; | |
114 | ||
3fe24032 DR |
115 | static struct snd_soc_jack simple_card_hp_jack; |
116 | static struct snd_soc_jack_pin simple_card_hp_jack_pins[] = { | |
117 | { | |
118 | .pin = "Headphones", | |
119 | .mask = SND_JACK_HEADPHONE, | |
120 | }, | |
121 | }; | |
122 | static struct snd_soc_jack_gpio simple_card_hp_jack_gpio = { | |
123 | .name = "Headphone detection", | |
124 | .report = SND_JACK_HEADPHONE, | |
125 | .debounce_time = 150, | |
126 | }; | |
127 | ||
128 | static struct snd_soc_jack simple_card_mic_jack; | |
129 | static struct snd_soc_jack_pin simple_card_mic_jack_pins[] = { | |
130 | { | |
131 | .pin = "Mic Jack", | |
132 | .mask = SND_JACK_MICROPHONE, | |
133 | }, | |
134 | }; | |
135 | static struct snd_soc_jack_gpio simple_card_mic_jack_gpio = { | |
136 | .name = "Mic detection", | |
137 | .report = SND_JACK_MICROPHONE, | |
138 | .debounce_time = 150, | |
139 | }; | |
140 | ||
a4a2992c | 141 | static int __asoc_simple_card_dai_init(struct snd_soc_dai *dai, |
30d0341e | 142 | struct asoc_simple_dai *set) |
a4a2992c | 143 | { |
4763ebe2 | 144 | int ret; |
a4a2992c | 145 | |
4763ebe2 | 146 | if (set->sysclk) { |
a4a2992c | 147 | ret = snd_soc_dai_set_sysclk(dai, 0, set->sysclk, 0); |
4763ebe2 XL |
148 | if (ret && ret != -ENOTSUPP) { |
149 | dev_err(dai->dev, "simple-card: set_sysclk error\n"); | |
150 | goto err; | |
151 | } | |
152 | } | |
153 | ||
6ff62eed | 154 | if (set->slots) { |
6131084a JS |
155 | ret = snd_soc_dai_set_tdm_slot(dai, |
156 | set->tx_slot_mask, | |
157 | set->rx_slot_mask, | |
6ff62eed XL |
158 | set->slots, |
159 | set->slot_width); | |
160 | if (ret && ret != -ENOTSUPP) { | |
161 | dev_err(dai->dev, "simple-card: set_tdm_slot error\n"); | |
162 | goto err; | |
163 | } | |
164 | } | |
165 | ||
4763ebe2 | 166 | ret = 0; |
a4a2992c | 167 | |
4763ebe2 | 168 | err: |
a4a2992c KM |
169 | return ret; |
170 | } | |
171 | ||
f2390880 KM |
172 | static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd) |
173 | { | |
781cbebe | 174 | struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); |
f2390880 KM |
175 | struct snd_soc_dai *codec = rtd->codec_dai; |
176 | struct snd_soc_dai *cpu = rtd->cpu_dai; | |
6a91a17b | 177 | struct simple_dai_props *dai_props; |
1a497983 | 178 | int ret; |
f2390880 | 179 | |
1a497983 | 180 | dai_props = &priv->dai_props[rtd->num]; |
6a91a17b | 181 | ret = __asoc_simple_card_dai_init(codec, &dai_props->codec_dai); |
a4a2992c KM |
182 | if (ret < 0) |
183 | return ret; | |
f2390880 | 184 | |
6a91a17b | 185 | ret = __asoc_simple_card_dai_init(cpu, &dai_props->cpu_dai); |
a4a2992c KM |
186 | if (ret < 0) |
187 | return ret; | |
f2390880 | 188 | |
3fe24032 | 189 | if (gpio_is_valid(priv->gpio_hp_det)) { |
386669fc LPC |
190 | snd_soc_card_jack_new(rtd->card, "Headphones", |
191 | SND_JACK_HEADPHONE, | |
192 | &simple_card_hp_jack, | |
193 | simple_card_hp_jack_pins, | |
194 | ARRAY_SIZE(simple_card_hp_jack_pins)); | |
3fe24032 DR |
195 | |
196 | simple_card_hp_jack_gpio.gpio = priv->gpio_hp_det; | |
4476159f | 197 | simple_card_hp_jack_gpio.invert = priv->gpio_hp_det_invert; |
3fe24032 DR |
198 | snd_soc_jack_add_gpios(&simple_card_hp_jack, 1, |
199 | &simple_card_hp_jack_gpio); | |
200 | } | |
201 | ||
202 | if (gpio_is_valid(priv->gpio_mic_det)) { | |
386669fc LPC |
203 | snd_soc_card_jack_new(rtd->card, "Mic Jack", |
204 | SND_JACK_MICROPHONE, | |
205 | &simple_card_mic_jack, | |
206 | simple_card_mic_jack_pins, | |
207 | ARRAY_SIZE(simple_card_mic_jack_pins)); | |
3fe24032 | 208 | simple_card_mic_jack_gpio.gpio = priv->gpio_mic_det; |
4476159f | 209 | simple_card_mic_jack_gpio.invert = priv->gpio_mic_det_invert; |
3fe24032 DR |
210 | snd_soc_jack_add_gpios(&simple_card_mic_jack, 1, |
211 | &simple_card_mic_jack_gpio); | |
212 | } | |
f2390880 KM |
213 | return 0; |
214 | } | |
215 | ||
fa558c28 KM |
216 | static int |
217 | asoc_simple_card_sub_parse_of(struct device_node *np, | |
218 | struct asoc_simple_dai *dai, | |
8ea21348 | 219 | struct device_node **p_node, |
7c7b9cf5 KM |
220 | const char **name, |
221 | int *args_count) | |
fa558c28 | 222 | { |
7c7b9cf5 | 223 | struct of_phandle_args args; |
fa558c28 | 224 | struct clk *clk; |
c7099eb1 | 225 | u32 val; |
fa558c28 KM |
226 | int ret; |
227 | ||
5fb9cb16 KM |
228 | if (!np) |
229 | return 0; | |
230 | ||
fa558c28 | 231 | /* |
0dd4fc3c | 232 | * Get node via "sound-dai = <&phandle port>" |
fa558c28 KM |
233 | * it will be used as xxx_of_node on soc_bind_dai_link() |
234 | */ | |
7c7b9cf5 KM |
235 | ret = of_parse_phandle_with_args(np, "sound-dai", |
236 | "#sound-dai-cells", 0, &args); | |
237 | if (ret) | |
238 | return ret; | |
239 | ||
240 | *p_node = args.np; | |
241 | ||
242 | if (args_count) | |
243 | *args_count = args.args_count; | |
fa558c28 | 244 | |
0dd4fc3c | 245 | /* Get dai->name */ |
5fb9cb16 KM |
246 | if (name) { |
247 | ret = snd_soc_of_get_dai_name(np, name); | |
248 | if (ret < 0) | |
249 | return ret; | |
250 | } | |
251 | ||
252 | if (!dai) | |
253 | return 0; | |
fa558c28 | 254 | |
0dd4fc3c | 255 | /* Parse TDM slot */ |
6131084a JS |
256 | ret = snd_soc_of_parse_tdm_slot(np, &dai->tx_slot_mask, |
257 | &dai->rx_slot_mask, | |
258 | &dai->slots, &dai->slot_width); | |
6ff62eed | 259 | if (ret) |
e512e001 | 260 | return ret; |
6ff62eed | 261 | |
fa558c28 | 262 | /* |
0dd4fc3c XL |
263 | * Parse dai->sysclk come from "clocks = <&xxx>" |
264 | * (if system has common clock) | |
fa558c28 | 265 | * or "system-clock-frequency = <xxx>" |
71467e46 | 266 | * or device's module clock. |
fa558c28 | 267 | */ |
71467e46 XL |
268 | if (of_property_read_bool(np, "clocks")) { |
269 | clk = of_clk_get(np, 0); | |
270 | if (IS_ERR(clk)) { | |
271 | ret = PTR_ERR(clk); | |
e512e001 | 272 | return ret; |
71467e46 XL |
273 | } |
274 | ||
275 | dai->sysclk = clk_get_rate(clk); | |
f9911803 | 276 | dai->clk = clk; |
c7099eb1 JS |
277 | } else if (!of_property_read_u32(np, "system-clock-frequency", &val)) { |
278 | dai->sysclk = val; | |
71467e46 | 279 | } else { |
88a60e55 | 280 | clk = of_clk_get(args.np, 0); |
e2a19ac6 XL |
281 | if (!IS_ERR(clk)) |
282 | dai->sysclk = clk_get_rate(clk); | |
71467e46 | 283 | } |
fa558c28 | 284 | |
e512e001 | 285 | return 0; |
fa558c28 KM |
286 | } |
287 | ||
1b5721b2 KM |
288 | static int asoc_simple_card_parse_daifmt(struct device_node *node, |
289 | struct simple_card_data *priv, | |
1b5721b2 KM |
290 | struct device_node *codec, |
291 | char *prefix, int idx) | |
292 | { | |
1efb53a2 | 293 | struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, idx); |
1b5721b2 KM |
294 | struct device *dev = simple_priv_to_dev(priv); |
295 | struct device_node *bitclkmaster = NULL; | |
296 | struct device_node *framemaster = NULL; | |
1b5721b2 KM |
297 | unsigned int daifmt; |
298 | ||
299 | daifmt = snd_soc_of_parse_daifmt(node, prefix, | |
300 | &bitclkmaster, &framemaster); | |
301 | daifmt &= ~SND_SOC_DAIFMT_MASTER_MASK; | |
302 | ||
303 | if (strlen(prefix) && !bitclkmaster && !framemaster) { | |
304 | /* | |
305 | * No dai-link level and master setting was not found from | |
306 | * sound node level, revert back to legacy DT parsing and | |
307 | * take the settings from codec node. | |
308 | */ | |
309 | dev_dbg(dev, "Revert to legacy daifmt parsing\n"); | |
310 | ||
1efb53a2 | 311 | daifmt = snd_soc_of_parse_daifmt(codec, NULL, NULL, NULL) | |
1b5721b2 KM |
312 | (daifmt & ~SND_SOC_DAIFMT_CLOCK_MASK); |
313 | } else { | |
314 | if (codec == bitclkmaster) | |
315 | daifmt |= (codec == framemaster) ? | |
316 | SND_SOC_DAIFMT_CBM_CFM : SND_SOC_DAIFMT_CBM_CFS; | |
317 | else | |
318 | daifmt |= (codec == framemaster) ? | |
319 | SND_SOC_DAIFMT_CBS_CFM : SND_SOC_DAIFMT_CBS_CFS; | |
1b5721b2 KM |
320 | } |
321 | ||
1efb53a2 LPC |
322 | dai_link->dai_fmt = daifmt; |
323 | ||
1b5721b2 KM |
324 | of_node_put(bitclkmaster); |
325 | of_node_put(framemaster); | |
326 | ||
327 | return 0; | |
328 | } | |
329 | ||
2d82eeb0 | 330 | static int asoc_simple_card_dai_link_of(struct device_node *node, |
f531913f | 331 | struct simple_card_data *priv, |
9810f537 | 332 | int idx, |
2d82eeb0 | 333 | bool is_top_level_node) |
6a91a17b | 334 | { |
f531913f | 335 | struct device *dev = simple_priv_to_dev(priv); |
9810f537 KM |
336 | struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, idx); |
337 | struct simple_dai_props *dai_props = simple_priv_to_props(priv, idx); | |
1b5721b2 | 338 | struct device_node *cpu = NULL; |
e0ae225b | 339 | struct device_node *plat = NULL; |
1b5721b2 | 340 | struct device_node *codec = NULL; |
b3ca11ff JS |
341 | char *name; |
342 | char prop[128]; | |
343 | char *prefix = ""; | |
7c7b9cf5 | 344 | int ret, cpu_args; |
85a4bfd8 | 345 | u32 val; |
6a91a17b | 346 | |
2080437d | 347 | /* For single DAI link & old style of DT node */ |
64872215 | 348 | if (is_top_level_node) |
548563fa | 349 | prefix = PREFIX; |
b3ca11ff | 350 | |
b3ca11ff | 351 | snprintf(prop, sizeof(prop), "%scpu", prefix); |
1b5721b2 KM |
352 | cpu = of_get_child_by_name(node, prop); |
353 | ||
e0ae225b JN |
354 | snprintf(prop, sizeof(prop), "%splat", prefix); |
355 | plat = of_get_child_by_name(node, prop); | |
356 | ||
1b5721b2 KM |
357 | snprintf(prop, sizeof(prop), "%scodec", prefix); |
358 | codec = of_get_child_by_name(node, prop); | |
359 | ||
360 | if (!cpu || !codec) { | |
b3ca11ff | 361 | ret = -EINVAL; |
966b8063 | 362 | dev_err(dev, "%s: Can't find %s DT node\n", __func__, prop); |
b3ca11ff | 363 | goto dai_link_of_err; |
6a91a17b | 364 | } |
b3ca11ff | 365 | |
1b5721b2 | 366 | ret = asoc_simple_card_parse_daifmt(node, priv, |
7195d920 | 367 | codec, prefix, idx); |
1b5721b2 KM |
368 | if (ret < 0) |
369 | goto dai_link_of_err; | |
370 | ||
85a4bfd8 AP |
371 | if (!of_property_read_u32(node, "mclk-fs", &val)) |
372 | dai_props->mclk_fs = val; | |
373 | ||
1b5721b2 | 374 | ret = asoc_simple_card_sub_parse_of(cpu, &dai_props->cpu_dai, |
b3ca11ff | 375 | &dai_link->cpu_of_node, |
7c7b9cf5 KM |
376 | &dai_link->cpu_dai_name, |
377 | &cpu_args); | |
6a91a17b | 378 | if (ret < 0) |
b3ca11ff JS |
379 | goto dai_link_of_err; |
380 | ||
1b5721b2 | 381 | ret = asoc_simple_card_sub_parse_of(codec, &dai_props->codec_dai, |
b3ca11ff | 382 | &dai_link->codec_of_node, |
7c7b9cf5 | 383 | &dai_link->codec_dai_name, NULL); |
b3ca11ff JS |
384 | if (ret < 0) |
385 | goto dai_link_of_err; | |
386 | ||
5fb9cb16 KM |
387 | ret = asoc_simple_card_sub_parse_of(plat, NULL, |
388 | &dai_link->platform_of_node, | |
389 | NULL, NULL); | |
390 | if (ret < 0) | |
391 | goto dai_link_of_err; | |
392 | ||
b3ca11ff | 393 | if (!dai_link->cpu_dai_name || !dai_link->codec_dai_name) { |
781cbebe NC |
394 | ret = -EINVAL; |
395 | goto dai_link_of_err; | |
b3ca11ff JS |
396 | } |
397 | ||
5fb9cb16 KM |
398 | /* Assumes platform == cpu */ |
399 | if (!dai_link->platform_of_node) | |
e0ae225b | 400 | dai_link->platform_of_node = dai_link->cpu_of_node; |
b3ca11ff | 401 | |
0dd4fc3c | 402 | /* DAI link name is created from CPU/CODEC dai name */ |
b3ca11ff JS |
403 | name = devm_kzalloc(dev, |
404 | strlen(dai_link->cpu_dai_name) + | |
405 | strlen(dai_link->codec_dai_name) + 2, | |
406 | GFP_KERNEL); | |
31f3032c VT |
407 | if (!name) { |
408 | ret = -ENOMEM; | |
409 | goto dai_link_of_err; | |
410 | } | |
411 | ||
b3ca11ff JS |
412 | sprintf(name, "%s-%s", dai_link->cpu_dai_name, |
413 | dai_link->codec_dai_name); | |
414 | dai_link->name = dai_link->stream_name = name; | |
2942a0e2 | 415 | dai_link->ops = &asoc_simple_card_ops; |
a5960bd5 | 416 | dai_link->init = asoc_simple_card_dai_init; |
b3ca11ff JS |
417 | |
418 | dev_dbg(dev, "\tname : %s\n", dai_link->stream_name); | |
1efb53a2 LPC |
419 | dev_dbg(dev, "\tformat : %04x\n", dai_link->dai_fmt); |
420 | dev_dbg(dev, "\tcpu : %s / %d\n", | |
b3ca11ff | 421 | dai_link->cpu_dai_name, |
b3ca11ff | 422 | dai_props->cpu_dai.sysclk); |
1efb53a2 | 423 | dev_dbg(dev, "\tcodec : %s / %d\n", |
b3ca11ff | 424 | dai_link->codec_dai_name, |
b3ca11ff JS |
425 | dai_props->codec_dai.sysclk); |
426 | ||
179949bc | 427 | /* |
0dd4fc3c XL |
428 | * In soc_bind_dai_link() will check cpu name after |
429 | * of_node matching if dai_link has cpu_dai_name. | |
430 | * but, it will never match if name was created by | |
431 | * fmt_single_name() remove cpu_dai_name if cpu_args | |
432 | * was 0. See: | |
179949bc KM |
433 | * fmt_single_name() |
434 | * fmt_multiple_name() | |
435 | */ | |
7c7b9cf5 KM |
436 | if (!cpu_args) |
437 | dai_link->cpu_dai_name = NULL; | |
179949bc | 438 | |
b3ca11ff | 439 | dai_link_of_err: |
1b5721b2 KM |
440 | of_node_put(cpu); |
441 | of_node_put(codec); | |
442 | ||
6a91a17b JFM |
443 | return ret; |
444 | } | |
445 | ||
fa558c28 | 446 | static int asoc_simple_card_parse_of(struct device_node *node, |
f531913f | 447 | struct simple_card_data *priv) |
fa558c28 | 448 | { |
f531913f | 449 | struct device *dev = simple_priv_to_dev(priv); |
4476159f | 450 | enum of_gpio_flags flags; |
c7099eb1 | 451 | u32 val; |
d4c22094 | 452 | int ret; |
fa558c28 | 453 | |
2080437d XL |
454 | if (!node) |
455 | return -EINVAL; | |
456 | ||
0dd4fc3c | 457 | /* Parse the card name from DT */ |
548563fa | 458 | snd_soc_of_parse_card_name(&priv->snd_card, PREFIX "name"); |
2772555b | 459 | |
0dd4fc3c | 460 | /* The off-codec widgets */ |
548563fa | 461 | if (of_property_read_bool(node, PREFIX "widgets")) { |
9d681f5b | 462 | ret = snd_soc_of_parse_audio_simple_widgets(&priv->snd_card, |
548563fa | 463 | PREFIX "widgets"); |
9d681f5b XL |
464 | if (ret) |
465 | return ret; | |
466 | } | |
467 | ||
d4c22094 | 468 | /* DAPM routes */ |
548563fa | 469 | if (of_property_read_bool(node, PREFIX "routing")) { |
b367a325 | 470 | ret = snd_soc_of_parse_audio_routing(&priv->snd_card, |
548563fa | 471 | PREFIX "routing"); |
f87a3e82 XL |
472 | if (ret) |
473 | return ret; | |
474 | } | |
d4c22094 | 475 | |
2942a0e2 | 476 | /* Factor to mclk, used in hw_params() */ |
548563fa | 477 | ret = of_property_read_u32(node, PREFIX "mclk-fs", &val); |
c7099eb1 JS |
478 | if (ret == 0) |
479 | priv->mclk_fs = val; | |
2942a0e2 | 480 | |
b3ca11ff JS |
481 | dev_dbg(dev, "New simple-card: %s\n", priv->snd_card.name ? |
482 | priv->snd_card.name : ""); | |
483 | ||
2080437d | 484 | /* Single/Muti DAI link(s) & New style of DT node */ |
548563fa | 485 | if (of_get_child_by_name(node, PREFIX "dai-link")) { |
b3ca11ff | 486 | struct device_node *np = NULL; |
a44a750e KM |
487 | int i = 0; |
488 | ||
489 | for_each_child_of_node(node, np) { | |
b3ca11ff | 490 | dev_dbg(dev, "\tlink %d:\n", i); |
f531913f | 491 | ret = asoc_simple_card_dai_link_of(np, priv, |
9810f537 | 492 | i, false); |
b3ca11ff JS |
493 | if (ret < 0) { |
494 | of_node_put(np); | |
495 | return ret; | |
496 | } | |
a44a750e | 497 | i++; |
6a91a17b | 498 | } |
b3ca11ff | 499 | } else { |
2080437d | 500 | /* For single DAI link & old style of DT node */ |
9810f537 | 501 | ret = asoc_simple_card_dai_link_of(node, priv, 0, true); |
6a91a17b | 502 | if (ret < 0) |
b3ca11ff | 503 | return ret; |
6a91a17b | 504 | } |
dd41e0c4 | 505 | |
4476159f | 506 | priv->gpio_hp_det = of_get_named_gpio_flags(node, |
548563fa | 507 | PREFIX "hp-det-gpio", 0, &flags); |
4476159f | 508 | priv->gpio_hp_det_invert = !!(flags & OF_GPIO_ACTIVE_LOW); |
3fe24032 DR |
509 | if (priv->gpio_hp_det == -EPROBE_DEFER) |
510 | return -EPROBE_DEFER; | |
511 | ||
4476159f | 512 | priv->gpio_mic_det = of_get_named_gpio_flags(node, |
548563fa | 513 | PREFIX "mic-det-gpio", 0, &flags); |
4476159f | 514 | priv->gpio_mic_det_invert = !!(flags & OF_GPIO_ACTIVE_LOW); |
3fe24032 DR |
515 | if (priv->gpio_mic_det == -EPROBE_DEFER) |
516 | return -EPROBE_DEFER; | |
517 | ||
2772555b | 518 | if (!priv->snd_card.name) |
b3ca11ff | 519 | priv->snd_card.name = priv->snd_card.dai_link->name; |
f687d900 | 520 | |
fa558c28 KM |
521 | return 0; |
522 | } | |
523 | ||
0dd4fc3c | 524 | /* Decrease the reference count of the device nodes */ |
7ddfdb5c | 525 | static int asoc_simple_card_unref(struct snd_soc_card *card) |
e512e001 | 526 | { |
e512e001 | 527 | struct snd_soc_dai_link *dai_link; |
e512e001 JFM |
528 | int num_links; |
529 | ||
530 | for (num_links = 0, dai_link = card->dai_link; | |
531 | num_links < card->num_links; | |
532 | num_links++, dai_link++) { | |
0099c762 JFM |
533 | of_node_put(dai_link->cpu_of_node); |
534 | of_node_put(dai_link->codec_of_node); | |
e512e001 JFM |
535 | } |
536 | return 0; | |
537 | } | |
538 | ||
f2390880 KM |
539 | static int asoc_simple_card_probe(struct platform_device *pdev) |
540 | { | |
45fce594 | 541 | struct simple_card_data *priv; |
5ca8ba41 | 542 | struct snd_soc_dai_link *dai_link; |
fa558c28 | 543 | struct device_node *np = pdev->dev.of_node; |
f89983ef | 544 | struct device *dev = &pdev->dev; |
2080437d | 545 | int num_links, ret; |
6a91a17b | 546 | |
0dd4fc3c | 547 | /* Get the number of DAI links */ |
548563fa | 548 | if (np && of_get_child_by_name(np, PREFIX "dai-link")) |
6a91a17b | 549 | num_links = of_get_child_count(np); |
2080437d | 550 | else |
6a91a17b | 551 | num_links = 1; |
f2390880 | 552 | |
0dd4fc3c | 553 | /* Allocate the private data and the DAI link array */ |
cf7dc23c | 554 | priv = devm_kzalloc(dev, |
6a91a17b | 555 | sizeof(*priv) + sizeof(*dai_link) * num_links, |
cf7dc23c | 556 | GFP_KERNEL); |
ca65b492 | 557 | if (!priv) |
ca919fe4 XL |
558 | return -ENOMEM; |
559 | ||
0dd4fc3c | 560 | /* Init snd_soc_card */ |
ca65b492 JFM |
561 | priv->snd_card.owner = THIS_MODULE; |
562 | priv->snd_card.dev = dev; | |
cf7dc23c | 563 | dai_link = priv->dai_link; |
ca65b492 | 564 | priv->snd_card.dai_link = dai_link; |
6a91a17b | 565 | priv->snd_card.num_links = num_links; |
201a0eac | 566 | |
2dbab978 GU |
567 | priv->gpio_hp_det = -ENOENT; |
568 | priv->gpio_mic_det = -ENOENT; | |
569 | ||
0dd4fc3c | 570 | /* Get room for the other properties */ |
cf7dc23c | 571 | priv->dai_props = devm_kzalloc(dev, |
6a91a17b | 572 | sizeof(*priv->dai_props) * num_links, |
cf7dc23c JFM |
573 | GFP_KERNEL); |
574 | if (!priv->dai_props) | |
575 | return -ENOMEM; | |
576 | ||
fa558c28 | 577 | if (np && of_device_is_available(np)) { |
ca919fe4 | 578 | |
f531913f | 579 | ret = asoc_simple_card_parse_of(np, priv); |
ca919fe4 XL |
580 | if (ret < 0) { |
581 | if (ret != -EPROBE_DEFER) | |
582 | dev_err(dev, "parse error %d\n", ret); | |
e512e001 | 583 | goto err; |
fa558c28 | 584 | } |
6a91a17b | 585 | |
fa558c28 | 586 | } else { |
ca65b492 JFM |
587 | struct asoc_simple_card_info *cinfo; |
588 | ||
589 | cinfo = dev->platform_data; | |
590 | if (!cinfo) { | |
34787d0a XL |
591 | dev_err(dev, "no info for asoc-simple-card\n"); |
592 | return -EINVAL; | |
593 | } | |
fa558c28 | 594 | |
781cbebe NC |
595 | if (!cinfo->name || |
596 | !cinfo->codec_dai.name || | |
597 | !cinfo->codec || | |
598 | !cinfo->platform || | |
7722f830 JFM |
599 | !cinfo->cpu_dai.name) { |
600 | dev_err(dev, "insufficient asoc_simple_card_info settings\n"); | |
601 | return -EINVAL; | |
602 | } | |
2bee9914 | 603 | |
12ffa6fc | 604 | priv->snd_card.name = (cinfo->card) ? cinfo->card : cinfo->name; |
5ca8ba41 JFM |
605 | dai_link->name = cinfo->name; |
606 | dai_link->stream_name = cinfo->name; | |
607 | dai_link->platform_name = cinfo->platform; | |
608 | dai_link->codec_name = cinfo->codec; | |
52008472 JFM |
609 | dai_link->cpu_dai_name = cinfo->cpu_dai.name; |
610 | dai_link->codec_dai_name = cinfo->codec_dai.name; | |
1efb53a2 | 611 | dai_link->dai_fmt = cinfo->daifmt; |
a5960bd5 | 612 | dai_link->init = asoc_simple_card_dai_init; |
cf7dc23c JFM |
613 | memcpy(&priv->dai_props->cpu_dai, &cinfo->cpu_dai, |
614 | sizeof(priv->dai_props->cpu_dai)); | |
615 | memcpy(&priv->dai_props->codec_dai, &cinfo->codec_dai, | |
616 | sizeof(priv->dai_props->codec_dai)); | |
81985bd6 | 617 | |
f2390880 KM |
618 | } |
619 | ||
ca65b492 | 620 | snd_soc_card_set_drvdata(&priv->snd_card, priv); |
f2390880 | 621 | |
e512e001 | 622 | ret = devm_snd_soc_register_card(&pdev->dev, &priv->snd_card); |
e3c4a28b XL |
623 | if (ret >= 0) |
624 | return ret; | |
e512e001 JFM |
625 | |
626 | err: | |
7ddfdb5c | 627 | asoc_simple_card_unref(&priv->snd_card); |
e512e001 | 628 | return ret; |
f2390880 KM |
629 | } |
630 | ||
e3c4a28b XL |
631 | static int asoc_simple_card_remove(struct platform_device *pdev) |
632 | { | |
3fe24032 DR |
633 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
634 | struct simple_card_data *priv = snd_soc_card_get_drvdata(card); | |
635 | ||
636 | if (gpio_is_valid(priv->gpio_hp_det)) | |
637 | snd_soc_jack_free_gpios(&simple_card_hp_jack, 1, | |
638 | &simple_card_hp_jack_gpio); | |
639 | if (gpio_is_valid(priv->gpio_mic_det)) | |
640 | snd_soc_jack_free_gpios(&simple_card_mic_jack, 1, | |
641 | &simple_card_mic_jack_gpio); | |
642 | ||
7ddfdb5c | 643 | return asoc_simple_card_unref(card); |
e3c4a28b XL |
644 | } |
645 | ||
fa558c28 KM |
646 | static const struct of_device_id asoc_simple_of_match[] = { |
647 | { .compatible = "simple-audio-card", }, | |
648 | {}, | |
649 | }; | |
650 | MODULE_DEVICE_TABLE(of, asoc_simple_of_match); | |
651 | ||
f2390880 KM |
652 | static struct platform_driver asoc_simple_card = { |
653 | .driver = { | |
781cbebe | 654 | .name = "asoc-simple-card", |
7c376711 | 655 | .pm = &snd_soc_pm_ops, |
fa558c28 | 656 | .of_match_table = asoc_simple_of_match, |
f2390880 | 657 | }, |
781cbebe | 658 | .probe = asoc_simple_card_probe, |
e3c4a28b | 659 | .remove = asoc_simple_card_remove, |
f2390880 KM |
660 | }; |
661 | ||
662 | module_platform_driver(asoc_simple_card); | |
663 | ||
c445be35 | 664 | MODULE_ALIAS("platform:asoc-simple-card"); |
f2390880 KM |
665 | MODULE_LICENSE("GPL"); |
666 | MODULE_DESCRIPTION("ASoC Simple Sound Card"); | |
667 | MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); |