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708b4351 NC |
1 | /* |
2 | * Freescale Generic ASoC Sound Card driver with ASRC | |
3 | * | |
4 | * Copyright (C) 2014 Freescale Semiconductor, Inc. | |
5 | * | |
6 | * Author: Nicolin Chen <nicoleotsuka@gmail.com> | |
7 | * | |
8 | * This file is licensed under the terms of the GNU General Public License | |
9 | * version 2. This program is licensed "as is" without any warranty of any | |
10 | * kind, whether express or implied. | |
11 | */ | |
12 | ||
13 | #include <linux/clk.h> | |
14 | #include <linux/i2c.h> | |
15 | #include <linux/module.h> | |
16 | #include <linux/of_platform.h> | |
50760cad MS |
17 | #if IS_ENABLED(CONFIG_SND_AC97_CODEC) |
18 | #include <sound/ac97_codec.h> | |
19 | #endif | |
708b4351 NC |
20 | #include <sound/pcm_params.h> |
21 | #include <sound/soc.h> | |
22 | ||
23 | #include "fsl_esai.h" | |
24 | #include "fsl_sai.h" | |
25 | #include "imx-audmux.h" | |
26 | ||
27 | #include "../codecs/sgtl5000.h" | |
28 | #include "../codecs/wm8962.h" | |
50e0ee01 | 29 | #include "../codecs/wm8960.h" |
708b4351 NC |
30 | |
31 | #define RX 0 | |
32 | #define TX 1 | |
33 | ||
34 | /* Default DAI format without Master and Slave flag */ | |
35 | #define DAI_FMT_BASE (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF) | |
36 | ||
37 | /** | |
38 | * CODEC private data | |
39 | * | |
40 | * @mclk_freq: Clock rate of MCLK | |
41 | * @mclk_id: MCLK (or main clock) id for set_sysclk() | |
42 | * @fll_id: FLL (or secordary clock) id for set_sysclk() | |
43 | * @pll_id: PLL id for set_pll() | |
44 | */ | |
45 | struct codec_priv { | |
46 | unsigned long mclk_freq; | |
47 | u32 mclk_id; | |
48 | u32 fll_id; | |
49 | u32 pll_id; | |
50 | }; | |
51 | ||
52 | /** | |
53 | * CPU private data | |
54 | * | |
55 | * @sysclk_freq[2]: SYSCLK rates for set_sysclk() | |
56 | * @sysclk_dir[2]: SYSCLK directions for set_sysclk() | |
57 | * @sysclk_id[2]: SYSCLK ids for set_sysclk() | |
cb3fc1ff | 58 | * @slot_width: Slot width of each frame |
708b4351 NC |
59 | * |
60 | * Note: [1] for tx and [0] for rx | |
61 | */ | |
62 | struct cpu_priv { | |
63 | unsigned long sysclk_freq[2]; | |
64 | u32 sysclk_dir[2]; | |
65 | u32 sysclk_id[2]; | |
cb3fc1ff | 66 | u32 slot_width; |
708b4351 NC |
67 | }; |
68 | ||
69 | /** | |
70 | * Freescale Generic ASOC card private data | |
71 | * | |
72 | * @dai_link[3]: DAI link structure including normal one and DPCM link | |
73 | * @pdev: platform device pointer | |
74 | * @codec_priv: CODEC private data | |
75 | * @cpu_priv: CPU private data | |
76 | * @card: ASoC card structure | |
77 | * @sample_rate: Current sample rate | |
78 | * @sample_format: Current sample format | |
79 | * @asrc_rate: ASRC sample rate used by Back-Ends | |
80 | * @asrc_format: ASRC sample format used by Back-Ends | |
81 | * @dai_fmt: DAI format between CPU and CODEC | |
82 | * @name: Card name | |
83 | */ | |
84 | ||
85 | struct fsl_asoc_card_priv { | |
86 | struct snd_soc_dai_link dai_link[3]; | |
87 | struct platform_device *pdev; | |
88 | struct codec_priv codec_priv; | |
89 | struct cpu_priv cpu_priv; | |
90 | struct snd_soc_card card; | |
91 | u32 sample_rate; | |
92 | u32 sample_format; | |
93 | u32 asrc_rate; | |
94 | u32 asrc_format; | |
95 | u32 dai_fmt; | |
96 | char name[32]; | |
97 | }; | |
98 | ||
99 | /** | |
100 | * This dapm route map exsits for DPCM link only. | |
101 | * The other routes shall go through Device Tree. | |
102 | */ | |
103 | static const struct snd_soc_dapm_route audio_map[] = { | |
104 | {"CPU-Playback", NULL, "ASRC-Playback"}, | |
105 | {"Playback", NULL, "CPU-Playback"}, | |
106 | {"ASRC-Capture", NULL, "CPU-Capture"}, | |
107 | {"CPU-Capture", NULL, "Capture"}, | |
108 | }; | |
109 | ||
25e5ef97 MS |
110 | static const struct snd_soc_dapm_route audio_map_ac97[] = { |
111 | {"AC97 Playback", NULL, "ASRC-Playback"}, | |
112 | {"Playback", NULL, "AC97 Playback"}, | |
113 | {"ASRC-Capture", NULL, "AC97 Capture"}, | |
114 | {"AC97 Capture", NULL, "Capture"}, | |
115 | }; | |
116 | ||
708b4351 NC |
117 | /* Add all possible widgets into here without being redundant */ |
118 | static const struct snd_soc_dapm_widget fsl_asoc_card_dapm_widgets[] = { | |
119 | SND_SOC_DAPM_LINE("Line Out Jack", NULL), | |
120 | SND_SOC_DAPM_LINE("Line In Jack", NULL), | |
121 | SND_SOC_DAPM_HP("Headphone Jack", NULL), | |
122 | SND_SOC_DAPM_SPK("Ext Spk", NULL), | |
123 | SND_SOC_DAPM_MIC("Mic Jack", NULL), | |
124 | SND_SOC_DAPM_MIC("AMIC", NULL), | |
125 | SND_SOC_DAPM_MIC("DMIC", NULL), | |
126 | }; | |
127 | ||
50760cad MS |
128 | static bool fsl_asoc_card_is_ac97(struct fsl_asoc_card_priv *priv) |
129 | { | |
130 | return priv->dai_fmt == SND_SOC_DAIFMT_AC97; | |
131 | } | |
132 | ||
708b4351 NC |
133 | static int fsl_asoc_card_hw_params(struct snd_pcm_substream *substream, |
134 | struct snd_pcm_hw_params *params) | |
135 | { | |
136 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
137 | struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card); | |
138 | bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; | |
139 | struct cpu_priv *cpu_priv = &priv->cpu_priv; | |
140 | struct device *dev = rtd->card->dev; | |
141 | int ret; | |
142 | ||
143 | priv->sample_rate = params_rate(params); | |
144 | priv->sample_format = params_format(params); | |
145 | ||
41282920 NC |
146 | /* |
147 | * If codec-dai is DAI Master and all configurations are already in the | |
148 | * set_bias_level(), bypass the remaining settings in hw_params(). | |
149 | * Note: (dai_fmt & CBM_CFM) includes CBM_CFM and CBM_CFS. | |
150 | */ | |
50760cad MS |
151 | if ((priv->card.set_bias_level && |
152 | priv->dai_fmt & SND_SOC_DAIFMT_CBM_CFM) || | |
153 | fsl_asoc_card_is_ac97(priv)) | |
708b4351 NC |
154 | return 0; |
155 | ||
156 | /* Specific configurations of DAIs starts from here */ | |
157 | ret = snd_soc_dai_set_sysclk(rtd->cpu_dai, cpu_priv->sysclk_id[tx], | |
158 | cpu_priv->sysclk_freq[tx], | |
159 | cpu_priv->sysclk_dir[tx]); | |
160 | if (ret) { | |
161 | dev_err(dev, "failed to set sysclk for cpu dai\n"); | |
162 | return ret; | |
163 | } | |
164 | ||
cb3fc1ff NC |
165 | if (cpu_priv->slot_width) { |
166 | ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, | |
167 | cpu_priv->slot_width); | |
168 | if (ret) { | |
169 | dev_err(dev, "failed to set TDM slot for cpu dai\n"); | |
170 | return ret; | |
171 | } | |
172 | } | |
173 | ||
708b4351 NC |
174 | return 0; |
175 | } | |
176 | ||
177 | static struct snd_soc_ops fsl_asoc_card_ops = { | |
178 | .hw_params = fsl_asoc_card_hw_params, | |
179 | }; | |
180 | ||
181 | static int be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, | |
182 | struct snd_pcm_hw_params *params) | |
183 | { | |
184 | struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card); | |
185 | struct snd_interval *rate; | |
186 | struct snd_mask *mask; | |
187 | ||
188 | rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); | |
189 | rate->max = rate->min = priv->asrc_rate; | |
190 | ||
191 | mask = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); | |
192 | snd_mask_none(mask); | |
193 | snd_mask_set(mask, priv->asrc_format); | |
194 | ||
195 | return 0; | |
196 | } | |
197 | ||
198 | static struct snd_soc_dai_link fsl_asoc_card_dai[] = { | |
199 | /* Default ASoC DAI Link*/ | |
200 | { | |
201 | .name = "HiFi", | |
202 | .stream_name = "HiFi", | |
203 | .ops = &fsl_asoc_card_ops, | |
204 | }, | |
205 | /* DPCM Link between Front-End and Back-End (Optional) */ | |
206 | { | |
207 | .name = "HiFi-ASRC-FE", | |
208 | .stream_name = "HiFi-ASRC-FE", | |
209 | .codec_name = "snd-soc-dummy", | |
210 | .codec_dai_name = "snd-soc-dummy-dai", | |
211 | .dpcm_playback = 1, | |
212 | .dpcm_capture = 1, | |
213 | .dynamic = 1, | |
214 | }, | |
215 | { | |
216 | .name = "HiFi-ASRC-BE", | |
217 | .stream_name = "HiFi-ASRC-BE", | |
218 | .platform_name = "snd-soc-dummy", | |
219 | .be_hw_params_fixup = be_hw_params_fixup, | |
220 | .ops = &fsl_asoc_card_ops, | |
221 | .dpcm_playback = 1, | |
222 | .dpcm_capture = 1, | |
223 | .no_pcm = 1, | |
224 | }, | |
225 | }; | |
226 | ||
227 | static int fsl_asoc_card_set_bias_level(struct snd_soc_card *card, | |
228 | struct snd_soc_dapm_context *dapm, | |
229 | enum snd_soc_bias_level level) | |
230 | { | |
231 | struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(card); | |
5015920a ML |
232 | struct snd_soc_pcm_runtime *rtd; |
233 | struct snd_soc_dai *codec_dai; | |
708b4351 NC |
234 | struct codec_priv *codec_priv = &priv->codec_priv; |
235 | struct device *dev = card->dev; | |
236 | unsigned int pll_out; | |
237 | int ret; | |
238 | ||
5015920a ML |
239 | rtd = snd_soc_get_pcm_runtime(card, card->dai_link[0].name); |
240 | codec_dai = rtd->codec_dai; | |
708b4351 NC |
241 | if (dapm->dev != codec_dai->dev) |
242 | return 0; | |
243 | ||
244 | switch (level) { | |
245 | case SND_SOC_BIAS_PREPARE: | |
246 | if (dapm->bias_level != SND_SOC_BIAS_STANDBY) | |
247 | break; | |
248 | ||
249 | if (priv->sample_format == SNDRV_PCM_FORMAT_S24_LE) | |
250 | pll_out = priv->sample_rate * 384; | |
251 | else | |
252 | pll_out = priv->sample_rate * 256; | |
253 | ||
254 | ret = snd_soc_dai_set_pll(codec_dai, codec_priv->pll_id, | |
255 | codec_priv->mclk_id, | |
256 | codec_priv->mclk_freq, pll_out); | |
257 | if (ret) { | |
258 | dev_err(dev, "failed to start FLL: %d\n", ret); | |
259 | return ret; | |
260 | } | |
261 | ||
262 | ret = snd_soc_dai_set_sysclk(codec_dai, codec_priv->fll_id, | |
263 | pll_out, SND_SOC_CLOCK_IN); | |
264 | if (ret) { | |
265 | dev_err(dev, "failed to set SYSCLK: %d\n", ret); | |
266 | return ret; | |
267 | } | |
268 | break; | |
269 | ||
270 | case SND_SOC_BIAS_STANDBY: | |
271 | if (dapm->bias_level != SND_SOC_BIAS_PREPARE) | |
272 | break; | |
273 | ||
274 | ret = snd_soc_dai_set_sysclk(codec_dai, codec_priv->mclk_id, | |
275 | codec_priv->mclk_freq, | |
276 | SND_SOC_CLOCK_IN); | |
277 | if (ret) { | |
278 | dev_err(dev, "failed to switch away from FLL: %d\n", ret); | |
279 | return ret; | |
280 | } | |
281 | ||
282 | ret = snd_soc_dai_set_pll(codec_dai, codec_priv->pll_id, 0, 0, 0); | |
283 | if (ret) { | |
284 | dev_err(dev, "failed to stop FLL: %d\n", ret); | |
285 | return ret; | |
286 | } | |
287 | break; | |
288 | ||
289 | default: | |
290 | break; | |
291 | } | |
292 | ||
293 | return 0; | |
294 | } | |
295 | ||
296 | static int fsl_asoc_card_audmux_init(struct device_node *np, | |
297 | struct fsl_asoc_card_priv *priv) | |
298 | { | |
299 | struct device *dev = &priv->pdev->dev; | |
300 | u32 int_ptcr = 0, ext_ptcr = 0; | |
301 | int int_port, ext_port; | |
302 | int ret; | |
303 | ||
304 | ret = of_property_read_u32(np, "mux-int-port", &int_port); | |
305 | if (ret) { | |
306 | dev_err(dev, "mux-int-port missing or invalid\n"); | |
307 | return ret; | |
308 | } | |
309 | ret = of_property_read_u32(np, "mux-ext-port", &ext_port); | |
310 | if (ret) { | |
311 | dev_err(dev, "mux-ext-port missing or invalid\n"); | |
312 | return ret; | |
313 | } | |
314 | ||
315 | /* | |
316 | * The port numbering in the hardware manual starts at 1, while | |
317 | * the AUDMUX API expects it starts at 0. | |
318 | */ | |
319 | int_port--; | |
320 | ext_port--; | |
321 | ||
322 | /* | |
50760cad | 323 | * Use asynchronous mode (6 wires) for all cases except AC97. |
708b4351 NC |
324 | * If only 4 wires are needed, just set SSI into |
325 | * synchronous mode and enable 4 PADs in IOMUX. | |
326 | */ | |
327 | switch (priv->dai_fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
328 | case SND_SOC_DAIFMT_CBM_CFM: | |
329 | int_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | ext_port) | | |
330 | IMX_AUDMUX_V2_PTCR_RCSEL(8 | ext_port) | | |
331 | IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) | | |
332 | IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) | | |
333 | IMX_AUDMUX_V2_PTCR_RFSDIR | | |
334 | IMX_AUDMUX_V2_PTCR_RCLKDIR | | |
335 | IMX_AUDMUX_V2_PTCR_TFSDIR | | |
336 | IMX_AUDMUX_V2_PTCR_TCLKDIR; | |
337 | break; | |
338 | case SND_SOC_DAIFMT_CBM_CFS: | |
339 | int_ptcr = IMX_AUDMUX_V2_PTCR_RCSEL(8 | ext_port) | | |
340 | IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) | | |
341 | IMX_AUDMUX_V2_PTCR_RCLKDIR | | |
342 | IMX_AUDMUX_V2_PTCR_TCLKDIR; | |
343 | ext_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | int_port) | | |
344 | IMX_AUDMUX_V2_PTCR_TFSEL(int_port) | | |
345 | IMX_AUDMUX_V2_PTCR_RFSDIR | | |
346 | IMX_AUDMUX_V2_PTCR_TFSDIR; | |
347 | break; | |
348 | case SND_SOC_DAIFMT_CBS_CFM: | |
349 | int_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | ext_port) | | |
350 | IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) | | |
351 | IMX_AUDMUX_V2_PTCR_RFSDIR | | |
352 | IMX_AUDMUX_V2_PTCR_TFSDIR; | |
353 | ext_ptcr = IMX_AUDMUX_V2_PTCR_RCSEL(8 | int_port) | | |
354 | IMX_AUDMUX_V2_PTCR_TCSEL(int_port) | | |
355 | IMX_AUDMUX_V2_PTCR_RCLKDIR | | |
356 | IMX_AUDMUX_V2_PTCR_TCLKDIR; | |
357 | break; | |
358 | case SND_SOC_DAIFMT_CBS_CFS: | |
359 | ext_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | int_port) | | |
360 | IMX_AUDMUX_V2_PTCR_RCSEL(8 | int_port) | | |
361 | IMX_AUDMUX_V2_PTCR_TFSEL(int_port) | | |
362 | IMX_AUDMUX_V2_PTCR_TCSEL(int_port) | | |
363 | IMX_AUDMUX_V2_PTCR_RFSDIR | | |
364 | IMX_AUDMUX_V2_PTCR_RCLKDIR | | |
365 | IMX_AUDMUX_V2_PTCR_TFSDIR | | |
366 | IMX_AUDMUX_V2_PTCR_TCLKDIR; | |
367 | break; | |
368 | default: | |
50760cad MS |
369 | if (!fsl_asoc_card_is_ac97(priv)) |
370 | return -EINVAL; | |
371 | } | |
372 | ||
373 | if (fsl_asoc_card_is_ac97(priv)) { | |
374 | int_ptcr = IMX_AUDMUX_V2_PTCR_SYN | | |
375 | IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) | | |
376 | IMX_AUDMUX_V2_PTCR_TCLKDIR; | |
377 | ext_ptcr = IMX_AUDMUX_V2_PTCR_SYN | | |
378 | IMX_AUDMUX_V2_PTCR_TFSEL(int_port) | | |
379 | IMX_AUDMUX_V2_PTCR_TFSDIR; | |
708b4351 NC |
380 | } |
381 | ||
382 | /* Asynchronous mode can not be set along with RCLKDIR */ | |
50760cad MS |
383 | if (!fsl_asoc_card_is_ac97(priv)) { |
384 | unsigned int pdcr = | |
385 | IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port); | |
386 | ||
387 | ret = imx_audmux_v2_configure_port(int_port, 0, | |
388 | pdcr); | |
389 | if (ret) { | |
390 | dev_err(dev, "audmux internal port setup failed\n"); | |
391 | return ret; | |
392 | } | |
708b4351 NC |
393 | } |
394 | ||
395 | ret = imx_audmux_v2_configure_port(int_port, int_ptcr, | |
396 | IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port)); | |
397 | if (ret) { | |
398 | dev_err(dev, "audmux internal port setup failed\n"); | |
399 | return ret; | |
400 | } | |
401 | ||
50760cad MS |
402 | if (!fsl_asoc_card_is_ac97(priv)) { |
403 | unsigned int pdcr = | |
404 | IMX_AUDMUX_V2_PDCR_RXDSEL(int_port); | |
405 | ||
406 | ret = imx_audmux_v2_configure_port(ext_port, 0, | |
407 | pdcr); | |
408 | if (ret) { | |
409 | dev_err(dev, "audmux external port setup failed\n"); | |
410 | return ret; | |
411 | } | |
708b4351 NC |
412 | } |
413 | ||
414 | ret = imx_audmux_v2_configure_port(ext_port, ext_ptcr, | |
415 | IMX_AUDMUX_V2_PDCR_RXDSEL(int_port)); | |
416 | if (ret) { | |
417 | dev_err(dev, "audmux external port setup failed\n"); | |
418 | return ret; | |
419 | } | |
420 | ||
421 | return 0; | |
422 | } | |
423 | ||
424 | static int fsl_asoc_card_late_probe(struct snd_soc_card *card) | |
425 | { | |
426 | struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(card); | |
abd657b1 VK |
427 | struct snd_soc_pcm_runtime *rtd = list_first_entry( |
428 | &card->rtd_list, struct snd_soc_pcm_runtime, list); | |
429 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
708b4351 NC |
430 | struct codec_priv *codec_priv = &priv->codec_priv; |
431 | struct device *dev = card->dev; | |
432 | int ret; | |
433 | ||
50760cad MS |
434 | if (fsl_asoc_card_is_ac97(priv)) { |
435 | #if IS_ENABLED(CONFIG_SND_AC97_CODEC) | |
abd657b1 | 436 | struct snd_soc_codec *codec = rtd->codec; |
50760cad MS |
437 | struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec); |
438 | ||
439 | /* | |
440 | * Use slots 3/4 for S/PDIF so SSI won't try to enable | |
441 | * other slots and send some samples there | |
442 | * due to SLOTREQ bits for S/PDIF received from codec | |
443 | */ | |
444 | snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, | |
445 | AC97_EA_SPSA_SLOT_MASK, AC97_EA_SPSA_3_4); | |
446 | #endif | |
447 | ||
448 | return 0; | |
449 | } | |
450 | ||
708b4351 NC |
451 | ret = snd_soc_dai_set_sysclk(codec_dai, codec_priv->mclk_id, |
452 | codec_priv->mclk_freq, SND_SOC_CLOCK_IN); | |
453 | if (ret) { | |
454 | dev_err(dev, "failed to set sysclk in %s\n", __func__); | |
455 | return ret; | |
456 | } | |
457 | ||
458 | return 0; | |
459 | } | |
460 | ||
461 | static int fsl_asoc_card_probe(struct platform_device *pdev) | |
462 | { | |
463 | struct device_node *cpu_np, *codec_np, *asrc_np; | |
464 | struct device_node *np = pdev->dev.of_node; | |
465 | struct platform_device *asrc_pdev = NULL; | |
466 | struct platform_device *cpu_pdev; | |
467 | struct fsl_asoc_card_priv *priv; | |
468 | struct i2c_client *codec_dev; | |
114bb139 | 469 | const char *codec_dai_name; |
708b4351 NC |
470 | u32 width; |
471 | int ret; | |
472 | ||
473 | priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); | |
474 | if (!priv) | |
475 | return -ENOMEM; | |
476 | ||
477 | cpu_np = of_parse_phandle(np, "audio-cpu", 0); | |
478 | /* Give a chance to old DT binding */ | |
479 | if (!cpu_np) | |
480 | cpu_np = of_parse_phandle(np, "ssi-controller", 0); | |
50760cad MS |
481 | if (!cpu_np) { |
482 | dev_err(&pdev->dev, "CPU phandle missing or invalid\n"); | |
708b4351 NC |
483 | ret = -EINVAL; |
484 | goto fail; | |
485 | } | |
486 | ||
487 | cpu_pdev = of_find_device_by_node(cpu_np); | |
488 | if (!cpu_pdev) { | |
489 | dev_err(&pdev->dev, "failed to find CPU DAI device\n"); | |
490 | ret = -EINVAL; | |
491 | goto fail; | |
492 | } | |
493 | ||
50760cad MS |
494 | codec_np = of_parse_phandle(np, "audio-codec", 0); |
495 | if (codec_np) | |
496 | codec_dev = of_find_i2c_device_by_node(codec_np); | |
497 | else | |
498 | codec_dev = NULL; | |
708b4351 NC |
499 | |
500 | asrc_np = of_parse_phandle(np, "audio-asrc", 0); | |
501 | if (asrc_np) | |
502 | asrc_pdev = of_find_device_by_node(asrc_np); | |
503 | ||
504 | /* Get the MCLK rate only, and leave it controlled by CODEC drivers */ | |
50760cad MS |
505 | if (codec_dev) { |
506 | struct clk *codec_clk = clk_get(&codec_dev->dev, NULL); | |
507 | ||
508 | if (!IS_ERR(codec_clk)) { | |
509 | priv->codec_priv.mclk_freq = clk_get_rate(codec_clk); | |
510 | clk_put(codec_clk); | |
511 | } | |
708b4351 NC |
512 | } |
513 | ||
514 | /* Default sample rate and format, will be updated in hw_params() */ | |
515 | priv->sample_rate = 44100; | |
516 | priv->sample_format = SNDRV_PCM_FORMAT_S16_LE; | |
517 | ||
518 | /* Assign a default DAI format, and allow each card to overwrite it */ | |
519 | priv->dai_fmt = DAI_FMT_BASE; | |
520 | ||
521 | /* Diversify the card configurations */ | |
522 | if (of_device_is_compatible(np, "fsl,imx-audio-cs42888")) { | |
114bb139 | 523 | codec_dai_name = "cs42888"; |
708b4351 NC |
524 | priv->card.set_bias_level = NULL; |
525 | priv->cpu_priv.sysclk_freq[TX] = priv->codec_priv.mclk_freq; | |
526 | priv->cpu_priv.sysclk_freq[RX] = priv->codec_priv.mclk_freq; | |
527 | priv->cpu_priv.sysclk_dir[TX] = SND_SOC_CLOCK_OUT; | |
528 | priv->cpu_priv.sysclk_dir[RX] = SND_SOC_CLOCK_OUT; | |
cb3fc1ff | 529 | priv->cpu_priv.slot_width = 32; |
708b4351 NC |
530 | priv->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS; |
531 | } else if (of_device_is_compatible(np, "fsl,imx-audio-sgtl5000")) { | |
114bb139 | 532 | codec_dai_name = "sgtl5000"; |
708b4351 NC |
533 | priv->codec_priv.mclk_id = SGTL5000_SYSCLK; |
534 | priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
535 | } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8962")) { | |
114bb139 | 536 | codec_dai_name = "wm8962"; |
708b4351 NC |
537 | priv->card.set_bias_level = fsl_asoc_card_set_bias_level; |
538 | priv->codec_priv.mclk_id = WM8962_SYSCLK_MCLK; | |
539 | priv->codec_priv.fll_id = WM8962_SYSCLK_FLL; | |
540 | priv->codec_priv.pll_id = WM8962_FLL; | |
541 | priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
50e0ee01 ZW |
542 | } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8960")) { |
543 | codec_dai_name = "wm8960-hifi"; | |
544 | priv->card.set_bias_level = fsl_asoc_card_set_bias_level; | |
545 | priv->codec_priv.fll_id = WM8960_SYSCLK_AUTO; | |
546 | priv->codec_priv.pll_id = WM8960_SYSCLK_AUTO; | |
547 | priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
50760cad MS |
548 | } else if (of_device_is_compatible(np, "fsl,imx-audio-ac97")) { |
549 | codec_dai_name = "ac97-hifi"; | |
550 | priv->card.set_bias_level = NULL; | |
551 | priv->dai_fmt = SND_SOC_DAIFMT_AC97; | |
708b4351 NC |
552 | } else { |
553 | dev_err(&pdev->dev, "unknown Device Tree compatible\n"); | |
6bd3c6f7 MS |
554 | ret = -EINVAL; |
555 | goto asrc_fail; | |
708b4351 NC |
556 | } |
557 | ||
50760cad MS |
558 | if (!fsl_asoc_card_is_ac97(priv) && !codec_dev) { |
559 | dev_err(&pdev->dev, "failed to find codec device\n"); | |
560 | ret = -EINVAL; | |
561 | goto asrc_fail; | |
708b4351 NC |
562 | } |
563 | ||
564 | /* Common settings for corresponding Freescale CPU DAI driver */ | |
565 | if (strstr(cpu_np->name, "ssi")) { | |
566 | /* Only SSI needs to configure AUDMUX */ | |
567 | ret = fsl_asoc_card_audmux_init(np, priv); | |
568 | if (ret) { | |
569 | dev_err(&pdev->dev, "failed to init audmux\n"); | |
5f37671e | 570 | goto asrc_fail; |
708b4351 NC |
571 | } |
572 | } else if (strstr(cpu_np->name, "esai")) { | |
573 | priv->cpu_priv.sysclk_id[1] = ESAI_HCKT_EXTAL; | |
574 | priv->cpu_priv.sysclk_id[0] = ESAI_HCKR_EXTAL; | |
575 | } else if (strstr(cpu_np->name, "sai")) { | |
576 | priv->cpu_priv.sysclk_id[1] = FSL_SAI_CLK_MAST1; | |
577 | priv->cpu_priv.sysclk_id[0] = FSL_SAI_CLK_MAST1; | |
578 | } | |
579 | ||
50760cad MS |
580 | snprintf(priv->name, sizeof(priv->name), "%s-audio", |
581 | fsl_asoc_card_is_ac97(priv) ? "ac97" : | |
582 | codec_dev->name); | |
708b4351 NC |
583 | |
584 | /* Initialize sound card */ | |
585 | priv->pdev = pdev; | |
586 | priv->card.dev = &pdev->dev; | |
587 | priv->card.name = priv->name; | |
588 | priv->card.dai_link = priv->dai_link; | |
25e5ef97 MS |
589 | priv->card.dapm_routes = fsl_asoc_card_is_ac97(priv) ? |
590 | audio_map_ac97 : audio_map; | |
708b4351 NC |
591 | priv->card.late_probe = fsl_asoc_card_late_probe; |
592 | priv->card.num_dapm_routes = ARRAY_SIZE(audio_map); | |
593 | priv->card.dapm_widgets = fsl_asoc_card_dapm_widgets; | |
594 | priv->card.num_dapm_widgets = ARRAY_SIZE(fsl_asoc_card_dapm_widgets); | |
595 | ||
596 | memcpy(priv->dai_link, fsl_asoc_card_dai, | |
597 | sizeof(struct snd_soc_dai_link) * ARRAY_SIZE(priv->dai_link)); | |
598 | ||
3185878a NC |
599 | ret = snd_soc_of_parse_audio_routing(&priv->card, "audio-routing"); |
600 | if (ret) { | |
601 | dev_err(&pdev->dev, "failed to parse audio-routing: %d\n", ret); | |
602 | goto asrc_fail; | |
603 | } | |
604 | ||
708b4351 NC |
605 | /* Normal DAI Link */ |
606 | priv->dai_link[0].cpu_of_node = cpu_np; | |
114bb139 | 607 | priv->dai_link[0].codec_dai_name = codec_dai_name; |
50760cad MS |
608 | |
609 | if (!fsl_asoc_card_is_ac97(priv)) | |
610 | priv->dai_link[0].codec_of_node = codec_np; | |
611 | else { | |
612 | u32 idx; | |
613 | ||
614 | ret = of_property_read_u32(cpu_np, "cell-index", &idx); | |
615 | if (ret) { | |
616 | dev_err(&pdev->dev, | |
617 | "cannot get CPU index property\n"); | |
618 | goto asrc_fail; | |
619 | } | |
620 | ||
621 | priv->dai_link[0].codec_name = | |
622 | devm_kasprintf(&pdev->dev, GFP_KERNEL, | |
623 | "ac97-codec.%u", | |
624 | (unsigned int)idx); | |
625 | } | |
626 | ||
708b4351 NC |
627 | priv->dai_link[0].platform_of_node = cpu_np; |
628 | priv->dai_link[0].dai_fmt = priv->dai_fmt; | |
629 | priv->card.num_links = 1; | |
630 | ||
631 | if (asrc_pdev) { | |
632 | /* DPCM DAI Links only if ASRC exsits */ | |
633 | priv->dai_link[1].cpu_of_node = asrc_np; | |
634 | priv->dai_link[1].platform_of_node = asrc_np; | |
114bb139 | 635 | priv->dai_link[2].codec_dai_name = codec_dai_name; |
708b4351 | 636 | priv->dai_link[2].codec_of_node = codec_np; |
50760cad MS |
637 | priv->dai_link[2].codec_name = |
638 | priv->dai_link[0].codec_name; | |
708b4351 NC |
639 | priv->dai_link[2].cpu_of_node = cpu_np; |
640 | priv->dai_link[2].dai_fmt = priv->dai_fmt; | |
641 | priv->card.num_links = 3; | |
642 | ||
643 | ret = of_property_read_u32(asrc_np, "fsl,asrc-rate", | |
644 | &priv->asrc_rate); | |
645 | if (ret) { | |
646 | dev_err(&pdev->dev, "failed to get output rate\n"); | |
647 | ret = -EINVAL; | |
5f37671e | 648 | goto asrc_fail; |
708b4351 NC |
649 | } |
650 | ||
651 | ret = of_property_read_u32(asrc_np, "fsl,asrc-width", &width); | |
652 | if (ret) { | |
653 | dev_err(&pdev->dev, "failed to get output rate\n"); | |
654 | ret = -EINVAL; | |
5f37671e | 655 | goto asrc_fail; |
708b4351 NC |
656 | } |
657 | ||
658 | if (width == 24) | |
659 | priv->asrc_format = SNDRV_PCM_FORMAT_S24_LE; | |
660 | else | |
661 | priv->asrc_format = SNDRV_PCM_FORMAT_S16_LE; | |
662 | } | |
663 | ||
664 | /* Finish card registering */ | |
665 | platform_set_drvdata(pdev, priv); | |
666 | snd_soc_card_set_drvdata(&priv->card, priv); | |
667 | ||
668 | ret = devm_snd_soc_register_card(&pdev->dev, &priv->card); | |
669 | if (ret) | |
670 | dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret); | |
671 | ||
5f37671e SW |
672 | asrc_fail: |
673 | of_node_put(asrc_np); | |
708b4351 | 674 | of_node_put(codec_np); |
50760cad | 675 | fail: |
708b4351 NC |
676 | of_node_put(cpu_np); |
677 | ||
678 | return ret; | |
679 | } | |
680 | ||
681 | static const struct of_device_id fsl_asoc_card_dt_ids[] = { | |
50760cad | 682 | { .compatible = "fsl,imx-audio-ac97", }, |
708b4351 NC |
683 | { .compatible = "fsl,imx-audio-cs42888", }, |
684 | { .compatible = "fsl,imx-audio-sgtl5000", }, | |
685 | { .compatible = "fsl,imx-audio-wm8962", }, | |
50e0ee01 | 686 | { .compatible = "fsl,imx-audio-wm8960", }, |
708b4351 NC |
687 | {} |
688 | }; | |
5226f234 | 689 | MODULE_DEVICE_TABLE(of, fsl_asoc_card_dt_ids); |
708b4351 NC |
690 | |
691 | static struct platform_driver fsl_asoc_card_driver = { | |
692 | .probe = fsl_asoc_card_probe, | |
693 | .driver = { | |
694 | .name = "fsl-asoc-card", | |
695 | .pm = &snd_soc_pm_ops, | |
696 | .of_match_table = fsl_asoc_card_dt_ids, | |
697 | }, | |
698 | }; | |
699 | module_platform_driver(fsl_asoc_card_driver); | |
700 | ||
701 | MODULE_DESCRIPTION("Freescale Generic ASoC Sound Card driver with ASRC"); | |
702 | MODULE_AUTHOR("Nicolin Chen <nicoleotsuka@gmail.com>"); | |
703 | MODULE_ALIAS("platform:fsl-asoc-card"); | |
704 | MODULE_LICENSE("GPL"); |