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 | |
f9911803 JS |
43 | static int asoc_simple_card_startup(struct snd_pcm_substream *substream) |
44 | { | |
45 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
46 | struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); | |
47 | struct simple_dai_props *dai_props = | |
48 | &priv->dai_props[rtd - rtd->card->rtd]; | |
49 | int ret; | |
50 | ||
51 | ret = clk_prepare_enable(dai_props->cpu_dai.clk); | |
52 | if (ret) | |
53 | return ret; | |
54 | ||
55 | ret = clk_prepare_enable(dai_props->codec_dai.clk); | |
56 | if (ret) | |
57 | clk_disable_unprepare(dai_props->cpu_dai.clk); | |
58 | ||
59 | return ret; | |
60 | } | |
61 | ||
62 | static void asoc_simple_card_shutdown(struct snd_pcm_substream *substream) | |
63 | { | |
64 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
65 | struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); | |
66 | struct simple_dai_props *dai_props = | |
67 | &priv->dai_props[rtd - rtd->card->rtd]; | |
68 | ||
69 | clk_disable_unprepare(dai_props->cpu_dai.clk); | |
70 | ||
71 | clk_disable_unprepare(dai_props->codec_dai.clk); | |
72 | } | |
73 | ||
2942a0e2 AL |
74 | static int asoc_simple_card_hw_params(struct snd_pcm_substream *substream, |
75 | struct snd_pcm_hw_params *params) | |
76 | { | |
77 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
78 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
e2257971 | 79 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
2942a0e2 | 80 | struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); |
85a4bfd8 AP |
81 | struct simple_dai_props *dai_props = |
82 | &priv->dai_props[rtd - rtd->card->rtd]; | |
83 | unsigned int mclk, mclk_fs = 0; | |
2942a0e2 AL |
84 | int ret = 0; |
85 | ||
85a4bfd8 AP |
86 | if (priv->mclk_fs) |
87 | mclk_fs = priv->mclk_fs; | |
88 | else if (dai_props->mclk_fs) | |
89 | mclk_fs = dai_props->mclk_fs; | |
90 | ||
91 | if (mclk_fs) { | |
92 | mclk = params_rate(params) * mclk_fs; | |
2942a0e2 AL |
93 | ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, |
94 | SND_SOC_CLOCK_IN); | |
e2257971 AP |
95 | if (ret && ret != -ENOTSUPP) |
96 | goto err; | |
97 | ||
98 | ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk, | |
99 | SND_SOC_CLOCK_OUT); | |
100 | if (ret && ret != -ENOTSUPP) | |
101 | goto err; | |
2942a0e2 AL |
102 | } |
103 | ||
e2257971 | 104 | err: |
2942a0e2 AL |
105 | return ret; |
106 | } | |
107 | ||
108 | static struct snd_soc_ops asoc_simple_card_ops = { | |
f9911803 JS |
109 | .startup = asoc_simple_card_startup, |
110 | .shutdown = asoc_simple_card_shutdown, | |
2942a0e2 AL |
111 | .hw_params = asoc_simple_card_hw_params, |
112 | }; | |
113 | ||
3fe24032 DR |
114 | static struct snd_soc_jack simple_card_hp_jack; |
115 | static struct snd_soc_jack_pin simple_card_hp_jack_pins[] = { | |
116 | { | |
117 | .pin = "Headphones", | |
118 | .mask = SND_JACK_HEADPHONE, | |
119 | }, | |
120 | }; | |
121 | static struct snd_soc_jack_gpio simple_card_hp_jack_gpio = { | |
122 | .name = "Headphone detection", | |
123 | .report = SND_JACK_HEADPHONE, | |
124 | .debounce_time = 150, | |
125 | }; | |
126 | ||
127 | static struct snd_soc_jack simple_card_mic_jack; | |
128 | static struct snd_soc_jack_pin simple_card_mic_jack_pins[] = { | |
129 | { | |
130 | .pin = "Mic Jack", | |
131 | .mask = SND_JACK_MICROPHONE, | |
132 | }, | |
133 | }; | |
134 | static struct snd_soc_jack_gpio simple_card_mic_jack_gpio = { | |
135 | .name = "Mic detection", | |
136 | .report = SND_JACK_MICROPHONE, | |
137 | .debounce_time = 150, | |
138 | }; | |
139 | ||
a4a2992c | 140 | static int __asoc_simple_card_dai_init(struct snd_soc_dai *dai, |
30d0341e | 141 | struct asoc_simple_dai *set) |
a4a2992c | 142 | { |
4763ebe2 | 143 | int ret; |
a4a2992c | 144 | |
4763ebe2 | 145 | if (set->sysclk) { |
a4a2992c | 146 | ret = snd_soc_dai_set_sysclk(dai, 0, set->sysclk, 0); |
4763ebe2 XL |
147 | if (ret && ret != -ENOTSUPP) { |
148 | dev_err(dai->dev, "simple-card: set_sysclk error\n"); | |
149 | goto err; | |
150 | } | |
151 | } | |
152 | ||
6ff62eed | 153 | if (set->slots) { |
6131084a JS |
154 | ret = snd_soc_dai_set_tdm_slot(dai, |
155 | set->tx_slot_mask, | |
156 | set->rx_slot_mask, | |
6ff62eed XL |
157 | set->slots, |
158 | set->slot_width); | |
159 | if (ret && ret != -ENOTSUPP) { | |
160 | dev_err(dai->dev, "simple-card: set_tdm_slot error\n"); | |
161 | goto err; | |
162 | } | |
163 | } | |
164 | ||
4763ebe2 | 165 | ret = 0; |
a4a2992c | 166 | |
4763ebe2 | 167 | err: |
a4a2992c KM |
168 | return ret; |
169 | } | |
170 | ||
f2390880 KM |
171 | static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd) |
172 | { | |
781cbebe | 173 | struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); |
f2390880 KM |
174 | struct snd_soc_dai *codec = rtd->codec_dai; |
175 | struct snd_soc_dai *cpu = rtd->cpu_dai; | |
6a91a17b JFM |
176 | struct simple_dai_props *dai_props; |
177 | int num, ret; | |
f2390880 | 178 | |
6a91a17b JFM |
179 | num = rtd - rtd->card->rtd; |
180 | dai_props = &priv->dai_props[num]; | |
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 | ||
228 | /* | |
0dd4fc3c | 229 | * Get node via "sound-dai = <&phandle port>" |
fa558c28 KM |
230 | * it will be used as xxx_of_node on soc_bind_dai_link() |
231 | */ | |
7c7b9cf5 KM |
232 | ret = of_parse_phandle_with_args(np, "sound-dai", |
233 | "#sound-dai-cells", 0, &args); | |
234 | if (ret) | |
235 | return ret; | |
236 | ||
237 | *p_node = args.np; | |
238 | ||
239 | if (args_count) | |
240 | *args_count = args.args_count; | |
fa558c28 | 241 | |
0dd4fc3c | 242 | /* Get dai->name */ |
52008472 | 243 | ret = snd_soc_of_get_dai_name(np, name); |
fa558c28 | 244 | if (ret < 0) |
e512e001 | 245 | return ret; |
fa558c28 | 246 | |
0dd4fc3c | 247 | /* Parse TDM slot */ |
6131084a JS |
248 | ret = snd_soc_of_parse_tdm_slot(np, &dai->tx_slot_mask, |
249 | &dai->rx_slot_mask, | |
250 | &dai->slots, &dai->slot_width); | |
6ff62eed | 251 | if (ret) |
e512e001 | 252 | return ret; |
6ff62eed | 253 | |
fa558c28 | 254 | /* |
0dd4fc3c XL |
255 | * Parse dai->sysclk come from "clocks = <&xxx>" |
256 | * (if system has common clock) | |
fa558c28 | 257 | * or "system-clock-frequency = <xxx>" |
71467e46 | 258 | * or device's module clock. |
fa558c28 | 259 | */ |
71467e46 XL |
260 | if (of_property_read_bool(np, "clocks")) { |
261 | clk = of_clk_get(np, 0); | |
262 | if (IS_ERR(clk)) { | |
263 | ret = PTR_ERR(clk); | |
e512e001 | 264 | return ret; |
71467e46 XL |
265 | } |
266 | ||
267 | dai->sysclk = clk_get_rate(clk); | |
f9911803 | 268 | dai->clk = clk; |
c7099eb1 JS |
269 | } else if (!of_property_read_u32(np, "system-clock-frequency", &val)) { |
270 | dai->sysclk = val; | |
71467e46 | 271 | } else { |
88a60e55 | 272 | clk = of_clk_get(args.np, 0); |
e2a19ac6 XL |
273 | if (!IS_ERR(clk)) |
274 | dai->sysclk = clk_get_rate(clk); | |
71467e46 | 275 | } |
fa558c28 | 276 | |
e512e001 | 277 | return 0; |
fa558c28 KM |
278 | } |
279 | ||
1b5721b2 KM |
280 | static int asoc_simple_card_parse_daifmt(struct device_node *node, |
281 | struct simple_card_data *priv, | |
1b5721b2 KM |
282 | struct device_node *codec, |
283 | char *prefix, int idx) | |
284 | { | |
1efb53a2 | 285 | struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, idx); |
1b5721b2 KM |
286 | struct device *dev = simple_priv_to_dev(priv); |
287 | struct device_node *bitclkmaster = NULL; | |
288 | struct device_node *framemaster = NULL; | |
1b5721b2 KM |
289 | unsigned int daifmt; |
290 | ||
291 | daifmt = snd_soc_of_parse_daifmt(node, prefix, | |
292 | &bitclkmaster, &framemaster); | |
293 | daifmt &= ~SND_SOC_DAIFMT_MASTER_MASK; | |
294 | ||
295 | if (strlen(prefix) && !bitclkmaster && !framemaster) { | |
296 | /* | |
297 | * No dai-link level and master setting was not found from | |
298 | * sound node level, revert back to legacy DT parsing and | |
299 | * take the settings from codec node. | |
300 | */ | |
301 | dev_dbg(dev, "Revert to legacy daifmt parsing\n"); | |
302 | ||
1efb53a2 | 303 | daifmt = snd_soc_of_parse_daifmt(codec, NULL, NULL, NULL) | |
1b5721b2 KM |
304 | (daifmt & ~SND_SOC_DAIFMT_CLOCK_MASK); |
305 | } else { | |
306 | if (codec == bitclkmaster) | |
307 | daifmt |= (codec == framemaster) ? | |
308 | SND_SOC_DAIFMT_CBM_CFM : SND_SOC_DAIFMT_CBM_CFS; | |
309 | else | |
310 | daifmt |= (codec == framemaster) ? | |
311 | SND_SOC_DAIFMT_CBS_CFM : SND_SOC_DAIFMT_CBS_CFS; | |
1b5721b2 KM |
312 | } |
313 | ||
1efb53a2 LPC |
314 | dai_link->dai_fmt = daifmt; |
315 | ||
1b5721b2 KM |
316 | of_node_put(bitclkmaster); |
317 | of_node_put(framemaster); | |
318 | ||
319 | return 0; | |
320 | } | |
321 | ||
2d82eeb0 | 322 | static int asoc_simple_card_dai_link_of(struct device_node *node, |
f531913f | 323 | struct simple_card_data *priv, |
9810f537 | 324 | int idx, |
2d82eeb0 | 325 | bool is_top_level_node) |
6a91a17b | 326 | { |
f531913f | 327 | struct device *dev = simple_priv_to_dev(priv); |
9810f537 KM |
328 | struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, idx); |
329 | struct simple_dai_props *dai_props = simple_priv_to_props(priv, idx); | |
1b5721b2 | 330 | struct device_node *cpu = NULL; |
e0ae225b | 331 | struct device_node *plat = NULL; |
1b5721b2 | 332 | struct device_node *codec = NULL; |
b3ca11ff JS |
333 | char *name; |
334 | char prop[128]; | |
335 | char *prefix = ""; | |
7c7b9cf5 | 336 | int ret, cpu_args; |
85a4bfd8 | 337 | u32 val; |
6a91a17b | 338 | |
2080437d | 339 | /* For single DAI link & old style of DT node */ |
64872215 JS |
340 | if (is_top_level_node) |
341 | prefix = "simple-audio-card,"; | |
b3ca11ff | 342 | |
b3ca11ff | 343 | snprintf(prop, sizeof(prop), "%scpu", prefix); |
1b5721b2 KM |
344 | cpu = of_get_child_by_name(node, prop); |
345 | ||
e0ae225b JN |
346 | snprintf(prop, sizeof(prop), "%splat", prefix); |
347 | plat = of_get_child_by_name(node, prop); | |
348 | ||
1b5721b2 KM |
349 | snprintf(prop, sizeof(prop), "%scodec", prefix); |
350 | codec = of_get_child_by_name(node, prop); | |
351 | ||
352 | if (!cpu || !codec) { | |
b3ca11ff | 353 | ret = -EINVAL; |
966b8063 | 354 | dev_err(dev, "%s: Can't find %s DT node\n", __func__, prop); |
b3ca11ff | 355 | goto dai_link_of_err; |
6a91a17b | 356 | } |
b3ca11ff | 357 | |
1b5721b2 | 358 | ret = asoc_simple_card_parse_daifmt(node, priv, |
7195d920 | 359 | codec, prefix, idx); |
1b5721b2 KM |
360 | if (ret < 0) |
361 | goto dai_link_of_err; | |
362 | ||
85a4bfd8 AP |
363 | if (!of_property_read_u32(node, "mclk-fs", &val)) |
364 | dai_props->mclk_fs = val; | |
365 | ||
1b5721b2 | 366 | ret = asoc_simple_card_sub_parse_of(cpu, &dai_props->cpu_dai, |
b3ca11ff | 367 | &dai_link->cpu_of_node, |
7c7b9cf5 KM |
368 | &dai_link->cpu_dai_name, |
369 | &cpu_args); | |
6a91a17b | 370 | if (ret < 0) |
b3ca11ff JS |
371 | goto dai_link_of_err; |
372 | ||
1b5721b2 | 373 | ret = asoc_simple_card_sub_parse_of(codec, &dai_props->codec_dai, |
b3ca11ff | 374 | &dai_link->codec_of_node, |
7c7b9cf5 | 375 | &dai_link->codec_dai_name, NULL); |
b3ca11ff JS |
376 | if (ret < 0) |
377 | goto dai_link_of_err; | |
378 | ||
b3ca11ff | 379 | if (!dai_link->cpu_dai_name || !dai_link->codec_dai_name) { |
781cbebe NC |
380 | ret = -EINVAL; |
381 | goto dai_link_of_err; | |
b3ca11ff JS |
382 | } |
383 | ||
e0ae225b JN |
384 | if (plat) { |
385 | struct of_phandle_args args; | |
386 | ||
387 | ret = of_parse_phandle_with_args(plat, "sound-dai", | |
388 | "#sound-dai-cells", 0, &args); | |
389 | dai_link->platform_of_node = args.np; | |
390 | } else { | |
391 | /* Assumes platform == cpu */ | |
392 | dai_link->platform_of_node = dai_link->cpu_of_node; | |
393 | } | |
b3ca11ff | 394 | |
0dd4fc3c | 395 | /* DAI link name is created from CPU/CODEC dai name */ |
b3ca11ff JS |
396 | name = devm_kzalloc(dev, |
397 | strlen(dai_link->cpu_dai_name) + | |
398 | strlen(dai_link->codec_dai_name) + 2, | |
399 | GFP_KERNEL); | |
31f3032c VT |
400 | if (!name) { |
401 | ret = -ENOMEM; | |
402 | goto dai_link_of_err; | |
403 | } | |
404 | ||
b3ca11ff JS |
405 | sprintf(name, "%s-%s", dai_link->cpu_dai_name, |
406 | dai_link->codec_dai_name); | |
407 | dai_link->name = dai_link->stream_name = name; | |
2942a0e2 | 408 | dai_link->ops = &asoc_simple_card_ops; |
a5960bd5 | 409 | dai_link->init = asoc_simple_card_dai_init; |
b3ca11ff JS |
410 | |
411 | dev_dbg(dev, "\tname : %s\n", dai_link->stream_name); | |
1efb53a2 LPC |
412 | dev_dbg(dev, "\tformat : %04x\n", dai_link->dai_fmt); |
413 | dev_dbg(dev, "\tcpu : %s / %d\n", | |
b3ca11ff | 414 | dai_link->cpu_dai_name, |
b3ca11ff | 415 | dai_props->cpu_dai.sysclk); |
1efb53a2 | 416 | dev_dbg(dev, "\tcodec : %s / %d\n", |
b3ca11ff | 417 | dai_link->codec_dai_name, |
b3ca11ff JS |
418 | dai_props->codec_dai.sysclk); |
419 | ||
179949bc | 420 | /* |
0dd4fc3c XL |
421 | * In soc_bind_dai_link() will check cpu name after |
422 | * of_node matching if dai_link has cpu_dai_name. | |
423 | * but, it will never match if name was created by | |
424 | * fmt_single_name() remove cpu_dai_name if cpu_args | |
425 | * was 0. See: | |
179949bc KM |
426 | * fmt_single_name() |
427 | * fmt_multiple_name() | |
428 | */ | |
7c7b9cf5 KM |
429 | if (!cpu_args) |
430 | dai_link->cpu_dai_name = NULL; | |
179949bc | 431 | |
b3ca11ff | 432 | dai_link_of_err: |
1b5721b2 KM |
433 | of_node_put(cpu); |
434 | of_node_put(codec); | |
435 | ||
6a91a17b JFM |
436 | return ret; |
437 | } | |
438 | ||
fa558c28 | 439 | static int asoc_simple_card_parse_of(struct device_node *node, |
f531913f | 440 | struct simple_card_data *priv) |
fa558c28 | 441 | { |
f531913f | 442 | struct device *dev = simple_priv_to_dev(priv); |
4476159f | 443 | enum of_gpio_flags flags; |
c7099eb1 | 444 | u32 val; |
d4c22094 | 445 | int ret; |
fa558c28 | 446 | |
2080437d XL |
447 | if (!node) |
448 | return -EINVAL; | |
449 | ||
0dd4fc3c | 450 | /* Parse the card name from DT */ |
2772555b XL |
451 | snd_soc_of_parse_card_name(&priv->snd_card, "simple-audio-card,name"); |
452 | ||
0dd4fc3c | 453 | /* The off-codec widgets */ |
9d681f5b XL |
454 | if (of_property_read_bool(node, "simple-audio-card,widgets")) { |
455 | ret = snd_soc_of_parse_audio_simple_widgets(&priv->snd_card, | |
456 | "simple-audio-card,widgets"); | |
457 | if (ret) | |
458 | return ret; | |
459 | } | |
460 | ||
d4c22094 | 461 | /* DAPM routes */ |
8c0b8230 | 462 | if (of_property_read_bool(node, "simple-audio-card,routing")) { |
b367a325 | 463 | ret = snd_soc_of_parse_audio_routing(&priv->snd_card, |
8c0b8230 | 464 | "simple-audio-card,routing"); |
f87a3e82 XL |
465 | if (ret) |
466 | return ret; | |
467 | } | |
d4c22094 | 468 | |
2942a0e2 | 469 | /* Factor to mclk, used in hw_params() */ |
c7099eb1 JS |
470 | ret = of_property_read_u32(node, "simple-audio-card,mclk-fs", &val); |
471 | if (ret == 0) | |
472 | priv->mclk_fs = val; | |
2942a0e2 | 473 | |
b3ca11ff JS |
474 | dev_dbg(dev, "New simple-card: %s\n", priv->snd_card.name ? |
475 | priv->snd_card.name : ""); | |
476 | ||
2080437d XL |
477 | /* Single/Muti DAI link(s) & New style of DT node */ |
478 | if (of_get_child_by_name(node, "simple-audio-card,dai-link")) { | |
b3ca11ff | 479 | struct device_node *np = NULL; |
a44a750e KM |
480 | int i = 0; |
481 | ||
482 | for_each_child_of_node(node, np) { | |
b3ca11ff | 483 | dev_dbg(dev, "\tlink %d:\n", i); |
f531913f | 484 | ret = asoc_simple_card_dai_link_of(np, priv, |
9810f537 | 485 | i, false); |
b3ca11ff JS |
486 | if (ret < 0) { |
487 | of_node_put(np); | |
488 | return ret; | |
489 | } | |
a44a750e | 490 | i++; |
6a91a17b | 491 | } |
b3ca11ff | 492 | } else { |
2080437d | 493 | /* For single DAI link & old style of DT node */ |
9810f537 | 494 | ret = asoc_simple_card_dai_link_of(node, priv, 0, true); |
6a91a17b | 495 | if (ret < 0) |
b3ca11ff | 496 | return ret; |
6a91a17b | 497 | } |
dd41e0c4 | 498 | |
4476159f J |
499 | priv->gpio_hp_det = of_get_named_gpio_flags(node, |
500 | "simple-audio-card,hp-det-gpio", 0, &flags); | |
501 | priv->gpio_hp_det_invert = !!(flags & OF_GPIO_ACTIVE_LOW); | |
3fe24032 DR |
502 | if (priv->gpio_hp_det == -EPROBE_DEFER) |
503 | return -EPROBE_DEFER; | |
504 | ||
4476159f J |
505 | priv->gpio_mic_det = of_get_named_gpio_flags(node, |
506 | "simple-audio-card,mic-det-gpio", 0, &flags); | |
507 | priv->gpio_mic_det_invert = !!(flags & OF_GPIO_ACTIVE_LOW); | |
3fe24032 DR |
508 | if (priv->gpio_mic_det == -EPROBE_DEFER) |
509 | return -EPROBE_DEFER; | |
510 | ||
2772555b | 511 | if (!priv->snd_card.name) |
b3ca11ff | 512 | priv->snd_card.name = priv->snd_card.dai_link->name; |
f687d900 | 513 | |
fa558c28 KM |
514 | return 0; |
515 | } | |
516 | ||
0dd4fc3c | 517 | /* Decrease the reference count of the device nodes */ |
7ddfdb5c | 518 | static int asoc_simple_card_unref(struct snd_soc_card *card) |
e512e001 | 519 | { |
e512e001 | 520 | struct snd_soc_dai_link *dai_link; |
e512e001 JFM |
521 | int num_links; |
522 | ||
523 | for (num_links = 0, dai_link = card->dai_link; | |
524 | num_links < card->num_links; | |
525 | num_links++, dai_link++) { | |
0099c762 JFM |
526 | of_node_put(dai_link->cpu_of_node); |
527 | of_node_put(dai_link->codec_of_node); | |
e512e001 JFM |
528 | } |
529 | return 0; | |
530 | } | |
531 | ||
f2390880 KM |
532 | static int asoc_simple_card_probe(struct platform_device *pdev) |
533 | { | |
45fce594 | 534 | struct simple_card_data *priv; |
5ca8ba41 | 535 | struct snd_soc_dai_link *dai_link; |
fa558c28 | 536 | struct device_node *np = pdev->dev.of_node; |
f89983ef | 537 | struct device *dev = &pdev->dev; |
2080437d | 538 | int num_links, ret; |
6a91a17b | 539 | |
0dd4fc3c | 540 | /* Get the number of DAI links */ |
2080437d | 541 | if (np && of_get_child_by_name(np, "simple-audio-card,dai-link")) |
6a91a17b | 542 | num_links = of_get_child_count(np); |
2080437d | 543 | else |
6a91a17b | 544 | num_links = 1; |
f2390880 | 545 | |
0dd4fc3c | 546 | /* Allocate the private data and the DAI link array */ |
cf7dc23c | 547 | priv = devm_kzalloc(dev, |
6a91a17b | 548 | sizeof(*priv) + sizeof(*dai_link) * num_links, |
cf7dc23c | 549 | GFP_KERNEL); |
ca65b492 | 550 | if (!priv) |
ca919fe4 XL |
551 | return -ENOMEM; |
552 | ||
0dd4fc3c | 553 | /* Init snd_soc_card */ |
ca65b492 JFM |
554 | priv->snd_card.owner = THIS_MODULE; |
555 | priv->snd_card.dev = dev; | |
cf7dc23c | 556 | dai_link = priv->dai_link; |
ca65b492 | 557 | priv->snd_card.dai_link = dai_link; |
6a91a17b | 558 | priv->snd_card.num_links = num_links; |
201a0eac | 559 | |
2dbab978 GU |
560 | priv->gpio_hp_det = -ENOENT; |
561 | priv->gpio_mic_det = -ENOENT; | |
562 | ||
0dd4fc3c | 563 | /* Get room for the other properties */ |
cf7dc23c | 564 | priv->dai_props = devm_kzalloc(dev, |
6a91a17b | 565 | sizeof(*priv->dai_props) * num_links, |
cf7dc23c JFM |
566 | GFP_KERNEL); |
567 | if (!priv->dai_props) | |
568 | return -ENOMEM; | |
569 | ||
fa558c28 | 570 | if (np && of_device_is_available(np)) { |
ca919fe4 | 571 | |
f531913f | 572 | ret = asoc_simple_card_parse_of(np, priv); |
ca919fe4 XL |
573 | if (ret < 0) { |
574 | if (ret != -EPROBE_DEFER) | |
575 | dev_err(dev, "parse error %d\n", ret); | |
e512e001 | 576 | goto err; |
fa558c28 | 577 | } |
6a91a17b | 578 | |
fa558c28 | 579 | } else { |
ca65b492 JFM |
580 | struct asoc_simple_card_info *cinfo; |
581 | ||
582 | cinfo = dev->platform_data; | |
583 | if (!cinfo) { | |
34787d0a XL |
584 | dev_err(dev, "no info for asoc-simple-card\n"); |
585 | return -EINVAL; | |
586 | } | |
fa558c28 | 587 | |
781cbebe NC |
588 | if (!cinfo->name || |
589 | !cinfo->codec_dai.name || | |
590 | !cinfo->codec || | |
591 | !cinfo->platform || | |
7722f830 JFM |
592 | !cinfo->cpu_dai.name) { |
593 | dev_err(dev, "insufficient asoc_simple_card_info settings\n"); | |
594 | return -EINVAL; | |
595 | } | |
2bee9914 | 596 | |
12ffa6fc | 597 | priv->snd_card.name = (cinfo->card) ? cinfo->card : cinfo->name; |
5ca8ba41 JFM |
598 | dai_link->name = cinfo->name; |
599 | dai_link->stream_name = cinfo->name; | |
600 | dai_link->platform_name = cinfo->platform; | |
601 | dai_link->codec_name = cinfo->codec; | |
52008472 JFM |
602 | dai_link->cpu_dai_name = cinfo->cpu_dai.name; |
603 | dai_link->codec_dai_name = cinfo->codec_dai.name; | |
1efb53a2 | 604 | dai_link->dai_fmt = cinfo->daifmt; |
a5960bd5 | 605 | dai_link->init = asoc_simple_card_dai_init; |
cf7dc23c JFM |
606 | memcpy(&priv->dai_props->cpu_dai, &cinfo->cpu_dai, |
607 | sizeof(priv->dai_props->cpu_dai)); | |
608 | memcpy(&priv->dai_props->codec_dai, &cinfo->codec_dai, | |
609 | sizeof(priv->dai_props->codec_dai)); | |
81985bd6 | 610 | |
f2390880 KM |
611 | } |
612 | ||
ca65b492 | 613 | snd_soc_card_set_drvdata(&priv->snd_card, priv); |
f2390880 | 614 | |
e512e001 | 615 | ret = devm_snd_soc_register_card(&pdev->dev, &priv->snd_card); |
e3c4a28b XL |
616 | if (ret >= 0) |
617 | return ret; | |
e512e001 JFM |
618 | |
619 | err: | |
7ddfdb5c | 620 | asoc_simple_card_unref(&priv->snd_card); |
e512e001 | 621 | return ret; |
f2390880 KM |
622 | } |
623 | ||
e3c4a28b XL |
624 | static int asoc_simple_card_remove(struct platform_device *pdev) |
625 | { | |
3fe24032 DR |
626 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
627 | struct simple_card_data *priv = snd_soc_card_get_drvdata(card); | |
628 | ||
629 | if (gpio_is_valid(priv->gpio_hp_det)) | |
630 | snd_soc_jack_free_gpios(&simple_card_hp_jack, 1, | |
631 | &simple_card_hp_jack_gpio); | |
632 | if (gpio_is_valid(priv->gpio_mic_det)) | |
633 | snd_soc_jack_free_gpios(&simple_card_mic_jack, 1, | |
634 | &simple_card_mic_jack_gpio); | |
635 | ||
7ddfdb5c | 636 | return asoc_simple_card_unref(card); |
e3c4a28b XL |
637 | } |
638 | ||
fa558c28 KM |
639 | static const struct of_device_id asoc_simple_of_match[] = { |
640 | { .compatible = "simple-audio-card", }, | |
641 | {}, | |
642 | }; | |
643 | MODULE_DEVICE_TABLE(of, asoc_simple_of_match); | |
644 | ||
f2390880 KM |
645 | static struct platform_driver asoc_simple_card = { |
646 | .driver = { | |
781cbebe | 647 | .name = "asoc-simple-card", |
fa558c28 | 648 | .of_match_table = asoc_simple_of_match, |
f2390880 | 649 | }, |
781cbebe | 650 | .probe = asoc_simple_card_probe, |
e3c4a28b | 651 | .remove = asoc_simple_card_remove, |
f2390880 KM |
652 | }; |
653 | ||
654 | module_platform_driver(asoc_simple_card); | |
655 | ||
c445be35 | 656 | MODULE_ALIAS("platform:asoc-simple-card"); |
f2390880 KM |
657 | MODULE_LICENSE("GPL"); |
658 | MODULE_DESCRIPTION("ASoC Simple Sound Card"); | |
659 | MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); |