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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 | 30 | |
57e756d3 FT |
31 | #define CS427x_SYSCLK_MCLK 0 |
32 | ||
708b4351 NC |
33 | #define RX 0 |
34 | #define TX 1 | |
35 | ||
36 | /* Default DAI format without Master and Slave flag */ | |
37 | #define DAI_FMT_BASE (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF) | |
38 | ||
39 | /** | |
40 | * CODEC private data | |
41 | * | |
42 | * @mclk_freq: Clock rate of MCLK | |
43 | * @mclk_id: MCLK (or main clock) id for set_sysclk() | |
44 | * @fll_id: FLL (or secordary clock) id for set_sysclk() | |
45 | * @pll_id: PLL id for set_pll() | |
46 | */ | |
47 | struct codec_priv { | |
48 | unsigned long mclk_freq; | |
49 | u32 mclk_id; | |
50 | u32 fll_id; | |
51 | u32 pll_id; | |
52 | }; | |
53 | ||
54 | /** | |
55 | * CPU private data | |
56 | * | |
57 | * @sysclk_freq[2]: SYSCLK rates for set_sysclk() | |
58 | * @sysclk_dir[2]: SYSCLK directions for set_sysclk() | |
59 | * @sysclk_id[2]: SYSCLK ids for set_sysclk() | |
cb3fc1ff | 60 | * @slot_width: Slot width of each frame |
708b4351 NC |
61 | * |
62 | * Note: [1] for tx and [0] for rx | |
63 | */ | |
64 | struct cpu_priv { | |
65 | unsigned long sysclk_freq[2]; | |
66 | u32 sysclk_dir[2]; | |
67 | u32 sysclk_id[2]; | |
cb3fc1ff | 68 | u32 slot_width; |
708b4351 NC |
69 | }; |
70 | ||
71 | /** | |
72 | * Freescale Generic ASOC card private data | |
73 | * | |
74 | * @dai_link[3]: DAI link structure including normal one and DPCM link | |
75 | * @pdev: platform device pointer | |
76 | * @codec_priv: CODEC private data | |
77 | * @cpu_priv: CPU private data | |
78 | * @card: ASoC card structure | |
79 | * @sample_rate: Current sample rate | |
80 | * @sample_format: Current sample format | |
81 | * @asrc_rate: ASRC sample rate used by Back-Ends | |
82 | * @asrc_format: ASRC sample format used by Back-Ends | |
83 | * @dai_fmt: DAI format between CPU and CODEC | |
84 | * @name: Card name | |
85 | */ | |
86 | ||
87 | struct fsl_asoc_card_priv { | |
88 | struct snd_soc_dai_link dai_link[3]; | |
89 | struct platform_device *pdev; | |
90 | struct codec_priv codec_priv; | |
91 | struct cpu_priv cpu_priv; | |
92 | struct snd_soc_card card; | |
93 | u32 sample_rate; | |
94 | u32 sample_format; | |
95 | u32 asrc_rate; | |
96 | u32 asrc_format; | |
97 | u32 dai_fmt; | |
98 | char name[32]; | |
99 | }; | |
100 | ||
101 | /** | |
102 | * This dapm route map exsits for DPCM link only. | |
103 | * The other routes shall go through Device Tree. | |
089dfaf7 NC |
104 | * |
105 | * Note: keep all ASRC routes in the second half | |
106 | * to drop them easily for non-ASRC cases. | |
708b4351 NC |
107 | */ |
108 | static const struct snd_soc_dapm_route audio_map[] = { | |
089dfaf7 | 109 | /* 1st half -- Normal DAPM routes */ |
708b4351 | 110 | {"Playback", NULL, "CPU-Playback"}, |
708b4351 | 111 | {"CPU-Capture", NULL, "Capture"}, |
089dfaf7 NC |
112 | /* 2nd half -- ASRC DAPM routes */ |
113 | {"CPU-Playback", NULL, "ASRC-Playback"}, | |
114 | {"ASRC-Capture", NULL, "CPU-Capture"}, | |
708b4351 NC |
115 | }; |
116 | ||
25e5ef97 | 117 | static const struct snd_soc_dapm_route audio_map_ac97[] = { |
089dfaf7 | 118 | /* 1st half -- Normal DAPM routes */ |
25e5ef97 | 119 | {"Playback", NULL, "AC97 Playback"}, |
25e5ef97 | 120 | {"AC97 Capture", NULL, "Capture"}, |
089dfaf7 NC |
121 | /* 2nd half -- ASRC DAPM routes */ |
122 | {"AC97 Playback", NULL, "ASRC-Playback"}, | |
123 | {"ASRC-Capture", NULL, "AC97 Capture"}, | |
25e5ef97 MS |
124 | }; |
125 | ||
708b4351 NC |
126 | /* Add all possible widgets into here without being redundant */ |
127 | static const struct snd_soc_dapm_widget fsl_asoc_card_dapm_widgets[] = { | |
128 | SND_SOC_DAPM_LINE("Line Out Jack", NULL), | |
129 | SND_SOC_DAPM_LINE("Line In Jack", NULL), | |
130 | SND_SOC_DAPM_HP("Headphone Jack", NULL), | |
131 | SND_SOC_DAPM_SPK("Ext Spk", NULL), | |
132 | SND_SOC_DAPM_MIC("Mic Jack", NULL), | |
133 | SND_SOC_DAPM_MIC("AMIC", NULL), | |
134 | SND_SOC_DAPM_MIC("DMIC", NULL), | |
135 | }; | |
136 | ||
50760cad MS |
137 | static bool fsl_asoc_card_is_ac97(struct fsl_asoc_card_priv *priv) |
138 | { | |
139 | return priv->dai_fmt == SND_SOC_DAIFMT_AC97; | |
140 | } | |
141 | ||
708b4351 NC |
142 | static int fsl_asoc_card_hw_params(struct snd_pcm_substream *substream, |
143 | struct snd_pcm_hw_params *params) | |
144 | { | |
145 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
146 | struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card); | |
147 | bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; | |
148 | struct cpu_priv *cpu_priv = &priv->cpu_priv; | |
149 | struct device *dev = rtd->card->dev; | |
150 | int ret; | |
151 | ||
152 | priv->sample_rate = params_rate(params); | |
153 | priv->sample_format = params_format(params); | |
154 | ||
41282920 NC |
155 | /* |
156 | * If codec-dai is DAI Master and all configurations are already in the | |
157 | * set_bias_level(), bypass the remaining settings in hw_params(). | |
158 | * Note: (dai_fmt & CBM_CFM) includes CBM_CFM and CBM_CFS. | |
159 | */ | |
50760cad MS |
160 | if ((priv->card.set_bias_level && |
161 | priv->dai_fmt & SND_SOC_DAIFMT_CBM_CFM) || | |
162 | fsl_asoc_card_is_ac97(priv)) | |
708b4351 NC |
163 | return 0; |
164 | ||
165 | /* Specific configurations of DAIs starts from here */ | |
166 | ret = snd_soc_dai_set_sysclk(rtd->cpu_dai, cpu_priv->sysclk_id[tx], | |
167 | cpu_priv->sysclk_freq[tx], | |
168 | cpu_priv->sysclk_dir[tx]); | |
169 | if (ret) { | |
170 | dev_err(dev, "failed to set sysclk for cpu dai\n"); | |
171 | return ret; | |
172 | } | |
173 | ||
cb3fc1ff NC |
174 | if (cpu_priv->slot_width) { |
175 | ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, | |
176 | cpu_priv->slot_width); | |
177 | if (ret) { | |
178 | dev_err(dev, "failed to set TDM slot for cpu dai\n"); | |
179 | return ret; | |
180 | } | |
181 | } | |
182 | ||
708b4351 NC |
183 | return 0; |
184 | } | |
185 | ||
186 | static struct snd_soc_ops fsl_asoc_card_ops = { | |
187 | .hw_params = fsl_asoc_card_hw_params, | |
188 | }; | |
189 | ||
190 | static int be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, | |
191 | struct snd_pcm_hw_params *params) | |
192 | { | |
193 | struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card); | |
194 | struct snd_interval *rate; | |
195 | struct snd_mask *mask; | |
196 | ||
197 | rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); | |
198 | rate->max = rate->min = priv->asrc_rate; | |
199 | ||
200 | mask = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); | |
201 | snd_mask_none(mask); | |
202 | snd_mask_set(mask, priv->asrc_format); | |
203 | ||
204 | return 0; | |
205 | } | |
206 | ||
207 | static struct snd_soc_dai_link fsl_asoc_card_dai[] = { | |
208 | /* Default ASoC DAI Link*/ | |
209 | { | |
210 | .name = "HiFi", | |
211 | .stream_name = "HiFi", | |
212 | .ops = &fsl_asoc_card_ops, | |
213 | }, | |
214 | /* DPCM Link between Front-End and Back-End (Optional) */ | |
215 | { | |
216 | .name = "HiFi-ASRC-FE", | |
217 | .stream_name = "HiFi-ASRC-FE", | |
218 | .codec_name = "snd-soc-dummy", | |
219 | .codec_dai_name = "snd-soc-dummy-dai", | |
220 | .dpcm_playback = 1, | |
221 | .dpcm_capture = 1, | |
222 | .dynamic = 1, | |
223 | }, | |
224 | { | |
225 | .name = "HiFi-ASRC-BE", | |
226 | .stream_name = "HiFi-ASRC-BE", | |
227 | .platform_name = "snd-soc-dummy", | |
228 | .be_hw_params_fixup = be_hw_params_fixup, | |
229 | .ops = &fsl_asoc_card_ops, | |
230 | .dpcm_playback = 1, | |
231 | .dpcm_capture = 1, | |
232 | .no_pcm = 1, | |
233 | }, | |
234 | }; | |
235 | ||
236 | static int fsl_asoc_card_set_bias_level(struct snd_soc_card *card, | |
237 | struct snd_soc_dapm_context *dapm, | |
238 | enum snd_soc_bias_level level) | |
239 | { | |
240 | struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(card); | |
5015920a ML |
241 | struct snd_soc_pcm_runtime *rtd; |
242 | struct snd_soc_dai *codec_dai; | |
708b4351 NC |
243 | struct codec_priv *codec_priv = &priv->codec_priv; |
244 | struct device *dev = card->dev; | |
245 | unsigned int pll_out; | |
246 | int ret; | |
247 | ||
5015920a ML |
248 | rtd = snd_soc_get_pcm_runtime(card, card->dai_link[0].name); |
249 | codec_dai = rtd->codec_dai; | |
708b4351 NC |
250 | if (dapm->dev != codec_dai->dev) |
251 | return 0; | |
252 | ||
253 | switch (level) { | |
254 | case SND_SOC_BIAS_PREPARE: | |
255 | if (dapm->bias_level != SND_SOC_BIAS_STANDBY) | |
256 | break; | |
257 | ||
258 | if (priv->sample_format == SNDRV_PCM_FORMAT_S24_LE) | |
259 | pll_out = priv->sample_rate * 384; | |
260 | else | |
261 | pll_out = priv->sample_rate * 256; | |
262 | ||
263 | ret = snd_soc_dai_set_pll(codec_dai, codec_priv->pll_id, | |
264 | codec_priv->mclk_id, | |
265 | codec_priv->mclk_freq, pll_out); | |
266 | if (ret) { | |
267 | dev_err(dev, "failed to start FLL: %d\n", ret); | |
268 | return ret; | |
269 | } | |
270 | ||
271 | ret = snd_soc_dai_set_sysclk(codec_dai, codec_priv->fll_id, | |
272 | pll_out, SND_SOC_CLOCK_IN); | |
273 | if (ret) { | |
274 | dev_err(dev, "failed to set SYSCLK: %d\n", ret); | |
275 | return ret; | |
276 | } | |
277 | break; | |
278 | ||
279 | case SND_SOC_BIAS_STANDBY: | |
280 | if (dapm->bias_level != SND_SOC_BIAS_PREPARE) | |
281 | break; | |
282 | ||
283 | ret = snd_soc_dai_set_sysclk(codec_dai, codec_priv->mclk_id, | |
284 | codec_priv->mclk_freq, | |
285 | SND_SOC_CLOCK_IN); | |
286 | if (ret) { | |
287 | dev_err(dev, "failed to switch away from FLL: %d\n", ret); | |
288 | return ret; | |
289 | } | |
290 | ||
291 | ret = snd_soc_dai_set_pll(codec_dai, codec_priv->pll_id, 0, 0, 0); | |
292 | if (ret) { | |
293 | dev_err(dev, "failed to stop FLL: %d\n", ret); | |
294 | return ret; | |
295 | } | |
296 | break; | |
297 | ||
298 | default: | |
299 | break; | |
300 | } | |
301 | ||
302 | return 0; | |
303 | } | |
304 | ||
305 | static int fsl_asoc_card_audmux_init(struct device_node *np, | |
306 | struct fsl_asoc_card_priv *priv) | |
307 | { | |
308 | struct device *dev = &priv->pdev->dev; | |
309 | u32 int_ptcr = 0, ext_ptcr = 0; | |
310 | int int_port, ext_port; | |
311 | int ret; | |
312 | ||
313 | ret = of_property_read_u32(np, "mux-int-port", &int_port); | |
314 | if (ret) { | |
315 | dev_err(dev, "mux-int-port missing or invalid\n"); | |
316 | return ret; | |
317 | } | |
318 | ret = of_property_read_u32(np, "mux-ext-port", &ext_port); | |
319 | if (ret) { | |
320 | dev_err(dev, "mux-ext-port missing or invalid\n"); | |
321 | return ret; | |
322 | } | |
323 | ||
324 | /* | |
325 | * The port numbering in the hardware manual starts at 1, while | |
326 | * the AUDMUX API expects it starts at 0. | |
327 | */ | |
328 | int_port--; | |
329 | ext_port--; | |
330 | ||
331 | /* | |
50760cad | 332 | * Use asynchronous mode (6 wires) for all cases except AC97. |
708b4351 NC |
333 | * If only 4 wires are needed, just set SSI into |
334 | * synchronous mode and enable 4 PADs in IOMUX. | |
335 | */ | |
336 | switch (priv->dai_fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
337 | case SND_SOC_DAIFMT_CBM_CFM: | |
338 | int_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | ext_port) | | |
339 | IMX_AUDMUX_V2_PTCR_RCSEL(8 | ext_port) | | |
340 | IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) | | |
341 | IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) | | |
342 | IMX_AUDMUX_V2_PTCR_RFSDIR | | |
343 | IMX_AUDMUX_V2_PTCR_RCLKDIR | | |
344 | IMX_AUDMUX_V2_PTCR_TFSDIR | | |
345 | IMX_AUDMUX_V2_PTCR_TCLKDIR; | |
346 | break; | |
347 | case SND_SOC_DAIFMT_CBM_CFS: | |
348 | int_ptcr = IMX_AUDMUX_V2_PTCR_RCSEL(8 | ext_port) | | |
349 | IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) | | |
350 | IMX_AUDMUX_V2_PTCR_RCLKDIR | | |
351 | IMX_AUDMUX_V2_PTCR_TCLKDIR; | |
352 | ext_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | int_port) | | |
353 | IMX_AUDMUX_V2_PTCR_TFSEL(int_port) | | |
354 | IMX_AUDMUX_V2_PTCR_RFSDIR | | |
355 | IMX_AUDMUX_V2_PTCR_TFSDIR; | |
356 | break; | |
357 | case SND_SOC_DAIFMT_CBS_CFM: | |
358 | int_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | ext_port) | | |
359 | IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) | | |
360 | IMX_AUDMUX_V2_PTCR_RFSDIR | | |
361 | IMX_AUDMUX_V2_PTCR_TFSDIR; | |
362 | ext_ptcr = IMX_AUDMUX_V2_PTCR_RCSEL(8 | int_port) | | |
363 | IMX_AUDMUX_V2_PTCR_TCSEL(int_port) | | |
364 | IMX_AUDMUX_V2_PTCR_RCLKDIR | | |
365 | IMX_AUDMUX_V2_PTCR_TCLKDIR; | |
366 | break; | |
367 | case SND_SOC_DAIFMT_CBS_CFS: | |
368 | ext_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | int_port) | | |
369 | IMX_AUDMUX_V2_PTCR_RCSEL(8 | int_port) | | |
370 | IMX_AUDMUX_V2_PTCR_TFSEL(int_port) | | |
371 | IMX_AUDMUX_V2_PTCR_TCSEL(int_port) | | |
372 | IMX_AUDMUX_V2_PTCR_RFSDIR | | |
373 | IMX_AUDMUX_V2_PTCR_RCLKDIR | | |
374 | IMX_AUDMUX_V2_PTCR_TFSDIR | | |
375 | IMX_AUDMUX_V2_PTCR_TCLKDIR; | |
376 | break; | |
377 | default: | |
50760cad MS |
378 | if (!fsl_asoc_card_is_ac97(priv)) |
379 | return -EINVAL; | |
380 | } | |
381 | ||
382 | if (fsl_asoc_card_is_ac97(priv)) { | |
383 | int_ptcr = IMX_AUDMUX_V2_PTCR_SYN | | |
384 | IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) | | |
385 | IMX_AUDMUX_V2_PTCR_TCLKDIR; | |
386 | ext_ptcr = IMX_AUDMUX_V2_PTCR_SYN | | |
387 | IMX_AUDMUX_V2_PTCR_TFSEL(int_port) | | |
388 | IMX_AUDMUX_V2_PTCR_TFSDIR; | |
708b4351 NC |
389 | } |
390 | ||
391 | /* Asynchronous mode can not be set along with RCLKDIR */ | |
50760cad MS |
392 | if (!fsl_asoc_card_is_ac97(priv)) { |
393 | unsigned int pdcr = | |
394 | IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port); | |
395 | ||
396 | ret = imx_audmux_v2_configure_port(int_port, 0, | |
397 | pdcr); | |
398 | if (ret) { | |
399 | dev_err(dev, "audmux internal port setup failed\n"); | |
400 | return ret; | |
401 | } | |
708b4351 NC |
402 | } |
403 | ||
404 | ret = imx_audmux_v2_configure_port(int_port, int_ptcr, | |
405 | IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port)); | |
406 | if (ret) { | |
407 | dev_err(dev, "audmux internal port setup failed\n"); | |
408 | return ret; | |
409 | } | |
410 | ||
50760cad MS |
411 | if (!fsl_asoc_card_is_ac97(priv)) { |
412 | unsigned int pdcr = | |
413 | IMX_AUDMUX_V2_PDCR_RXDSEL(int_port); | |
414 | ||
415 | ret = imx_audmux_v2_configure_port(ext_port, 0, | |
416 | pdcr); | |
417 | if (ret) { | |
418 | dev_err(dev, "audmux external port setup failed\n"); | |
419 | return ret; | |
420 | } | |
708b4351 NC |
421 | } |
422 | ||
423 | ret = imx_audmux_v2_configure_port(ext_port, ext_ptcr, | |
424 | IMX_AUDMUX_V2_PDCR_RXDSEL(int_port)); | |
425 | if (ret) { | |
426 | dev_err(dev, "audmux external port setup failed\n"); | |
427 | return ret; | |
428 | } | |
429 | ||
430 | return 0; | |
431 | } | |
432 | ||
433 | static int fsl_asoc_card_late_probe(struct snd_soc_card *card) | |
434 | { | |
435 | struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(card); | |
abd657b1 VK |
436 | struct snd_soc_pcm_runtime *rtd = list_first_entry( |
437 | &card->rtd_list, struct snd_soc_pcm_runtime, list); | |
438 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
708b4351 NC |
439 | struct codec_priv *codec_priv = &priv->codec_priv; |
440 | struct device *dev = card->dev; | |
441 | int ret; | |
442 | ||
50760cad MS |
443 | if (fsl_asoc_card_is_ac97(priv)) { |
444 | #if IS_ENABLED(CONFIG_SND_AC97_CODEC) | |
abd657b1 | 445 | struct snd_soc_codec *codec = rtd->codec; |
50760cad MS |
446 | struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec); |
447 | ||
448 | /* | |
449 | * Use slots 3/4 for S/PDIF so SSI won't try to enable | |
450 | * other slots and send some samples there | |
451 | * due to SLOTREQ bits for S/PDIF received from codec | |
452 | */ | |
453 | snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, | |
454 | AC97_EA_SPSA_SLOT_MASK, AC97_EA_SPSA_3_4); | |
455 | #endif | |
456 | ||
457 | return 0; | |
458 | } | |
459 | ||
708b4351 NC |
460 | ret = snd_soc_dai_set_sysclk(codec_dai, codec_priv->mclk_id, |
461 | codec_priv->mclk_freq, SND_SOC_CLOCK_IN); | |
462 | if (ret) { | |
463 | dev_err(dev, "failed to set sysclk in %s\n", __func__); | |
464 | return ret; | |
465 | } | |
466 | ||
467 | return 0; | |
468 | } | |
469 | ||
470 | static int fsl_asoc_card_probe(struct platform_device *pdev) | |
471 | { | |
472 | struct device_node *cpu_np, *codec_np, *asrc_np; | |
473 | struct device_node *np = pdev->dev.of_node; | |
474 | struct platform_device *asrc_pdev = NULL; | |
475 | struct platform_device *cpu_pdev; | |
476 | struct fsl_asoc_card_priv *priv; | |
477 | struct i2c_client *codec_dev; | |
114bb139 | 478 | const char *codec_dai_name; |
708b4351 NC |
479 | u32 width; |
480 | int ret; | |
481 | ||
482 | priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); | |
483 | if (!priv) | |
484 | return -ENOMEM; | |
485 | ||
486 | cpu_np = of_parse_phandle(np, "audio-cpu", 0); | |
487 | /* Give a chance to old DT binding */ | |
488 | if (!cpu_np) | |
489 | cpu_np = of_parse_phandle(np, "ssi-controller", 0); | |
50760cad MS |
490 | if (!cpu_np) { |
491 | dev_err(&pdev->dev, "CPU phandle missing or invalid\n"); | |
708b4351 NC |
492 | ret = -EINVAL; |
493 | goto fail; | |
494 | } | |
495 | ||
496 | cpu_pdev = of_find_device_by_node(cpu_np); | |
497 | if (!cpu_pdev) { | |
498 | dev_err(&pdev->dev, "failed to find CPU DAI device\n"); | |
499 | ret = -EINVAL; | |
500 | goto fail; | |
501 | } | |
502 | ||
50760cad MS |
503 | codec_np = of_parse_phandle(np, "audio-codec", 0); |
504 | if (codec_np) | |
505 | codec_dev = of_find_i2c_device_by_node(codec_np); | |
506 | else | |
507 | codec_dev = NULL; | |
708b4351 NC |
508 | |
509 | asrc_np = of_parse_phandle(np, "audio-asrc", 0); | |
510 | if (asrc_np) | |
511 | asrc_pdev = of_find_device_by_node(asrc_np); | |
512 | ||
513 | /* Get the MCLK rate only, and leave it controlled by CODEC drivers */ | |
50760cad MS |
514 | if (codec_dev) { |
515 | struct clk *codec_clk = clk_get(&codec_dev->dev, NULL); | |
516 | ||
517 | if (!IS_ERR(codec_clk)) { | |
518 | priv->codec_priv.mclk_freq = clk_get_rate(codec_clk); | |
519 | clk_put(codec_clk); | |
520 | } | |
708b4351 NC |
521 | } |
522 | ||
523 | /* Default sample rate and format, will be updated in hw_params() */ | |
524 | priv->sample_rate = 44100; | |
525 | priv->sample_format = SNDRV_PCM_FORMAT_S16_LE; | |
526 | ||
527 | /* Assign a default DAI format, and allow each card to overwrite it */ | |
528 | priv->dai_fmt = DAI_FMT_BASE; | |
529 | ||
530 | /* Diversify the card configurations */ | |
531 | if (of_device_is_compatible(np, "fsl,imx-audio-cs42888")) { | |
114bb139 | 532 | codec_dai_name = "cs42888"; |
708b4351 NC |
533 | priv->card.set_bias_level = NULL; |
534 | priv->cpu_priv.sysclk_freq[TX] = priv->codec_priv.mclk_freq; | |
535 | priv->cpu_priv.sysclk_freq[RX] = priv->codec_priv.mclk_freq; | |
536 | priv->cpu_priv.sysclk_dir[TX] = SND_SOC_CLOCK_OUT; | |
537 | priv->cpu_priv.sysclk_dir[RX] = SND_SOC_CLOCK_OUT; | |
cb3fc1ff | 538 | priv->cpu_priv.slot_width = 32; |
708b4351 | 539 | priv->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS; |
57e756d3 FT |
540 | } else if (of_device_is_compatible(np, "fsl,imx-audio-cs427x")) { |
541 | codec_dai_name = "cs4271-hifi"; | |
542 | priv->codec_priv.mclk_id = CS427x_SYSCLK_MCLK; | |
543 | priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
708b4351 | 544 | } else if (of_device_is_compatible(np, "fsl,imx-audio-sgtl5000")) { |
114bb139 | 545 | codec_dai_name = "sgtl5000"; |
708b4351 NC |
546 | priv->codec_priv.mclk_id = SGTL5000_SYSCLK; |
547 | priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
548 | } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8962")) { | |
114bb139 | 549 | codec_dai_name = "wm8962"; |
708b4351 NC |
550 | priv->card.set_bias_level = fsl_asoc_card_set_bias_level; |
551 | priv->codec_priv.mclk_id = WM8962_SYSCLK_MCLK; | |
552 | priv->codec_priv.fll_id = WM8962_SYSCLK_FLL; | |
553 | priv->codec_priv.pll_id = WM8962_FLL; | |
554 | priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
50e0ee01 ZW |
555 | } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8960")) { |
556 | codec_dai_name = "wm8960-hifi"; | |
557 | priv->card.set_bias_level = fsl_asoc_card_set_bias_level; | |
558 | priv->codec_priv.fll_id = WM8960_SYSCLK_AUTO; | |
559 | priv->codec_priv.pll_id = WM8960_SYSCLK_AUTO; | |
560 | priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
50760cad MS |
561 | } else if (of_device_is_compatible(np, "fsl,imx-audio-ac97")) { |
562 | codec_dai_name = "ac97-hifi"; | |
563 | priv->card.set_bias_level = NULL; | |
564 | priv->dai_fmt = SND_SOC_DAIFMT_AC97; | |
708b4351 NC |
565 | } else { |
566 | dev_err(&pdev->dev, "unknown Device Tree compatible\n"); | |
6bd3c6f7 MS |
567 | ret = -EINVAL; |
568 | goto asrc_fail; | |
708b4351 NC |
569 | } |
570 | ||
50760cad MS |
571 | if (!fsl_asoc_card_is_ac97(priv) && !codec_dev) { |
572 | dev_err(&pdev->dev, "failed to find codec device\n"); | |
573 | ret = -EINVAL; | |
574 | goto asrc_fail; | |
708b4351 NC |
575 | } |
576 | ||
577 | /* Common settings for corresponding Freescale CPU DAI driver */ | |
578 | if (strstr(cpu_np->name, "ssi")) { | |
579 | /* Only SSI needs to configure AUDMUX */ | |
580 | ret = fsl_asoc_card_audmux_init(np, priv); | |
581 | if (ret) { | |
582 | dev_err(&pdev->dev, "failed to init audmux\n"); | |
5f37671e | 583 | goto asrc_fail; |
708b4351 NC |
584 | } |
585 | } else if (strstr(cpu_np->name, "esai")) { | |
586 | priv->cpu_priv.sysclk_id[1] = ESAI_HCKT_EXTAL; | |
587 | priv->cpu_priv.sysclk_id[0] = ESAI_HCKR_EXTAL; | |
588 | } else if (strstr(cpu_np->name, "sai")) { | |
589 | priv->cpu_priv.sysclk_id[1] = FSL_SAI_CLK_MAST1; | |
590 | priv->cpu_priv.sysclk_id[0] = FSL_SAI_CLK_MAST1; | |
591 | } | |
592 | ||
50760cad MS |
593 | snprintf(priv->name, sizeof(priv->name), "%s-audio", |
594 | fsl_asoc_card_is_ac97(priv) ? "ac97" : | |
595 | codec_dev->name); | |
708b4351 NC |
596 | |
597 | /* Initialize sound card */ | |
598 | priv->pdev = pdev; | |
599 | priv->card.dev = &pdev->dev; | |
600 | priv->card.name = priv->name; | |
601 | priv->card.dai_link = priv->dai_link; | |
25e5ef97 MS |
602 | priv->card.dapm_routes = fsl_asoc_card_is_ac97(priv) ? |
603 | audio_map_ac97 : audio_map; | |
708b4351 NC |
604 | priv->card.late_probe = fsl_asoc_card_late_probe; |
605 | priv->card.num_dapm_routes = ARRAY_SIZE(audio_map); | |
606 | priv->card.dapm_widgets = fsl_asoc_card_dapm_widgets; | |
607 | priv->card.num_dapm_widgets = ARRAY_SIZE(fsl_asoc_card_dapm_widgets); | |
608 | ||
089dfaf7 NC |
609 | /* Drop the second half of DAPM routes -- ASRC */ |
610 | if (!asrc_pdev) | |
611 | priv->card.num_dapm_routes /= 2; | |
612 | ||
708b4351 NC |
613 | memcpy(priv->dai_link, fsl_asoc_card_dai, |
614 | sizeof(struct snd_soc_dai_link) * ARRAY_SIZE(priv->dai_link)); | |
615 | ||
3185878a NC |
616 | ret = snd_soc_of_parse_audio_routing(&priv->card, "audio-routing"); |
617 | if (ret) { | |
618 | dev_err(&pdev->dev, "failed to parse audio-routing: %d\n", ret); | |
619 | goto asrc_fail; | |
620 | } | |
621 | ||
708b4351 NC |
622 | /* Normal DAI Link */ |
623 | priv->dai_link[0].cpu_of_node = cpu_np; | |
114bb139 | 624 | priv->dai_link[0].codec_dai_name = codec_dai_name; |
50760cad MS |
625 | |
626 | if (!fsl_asoc_card_is_ac97(priv)) | |
627 | priv->dai_link[0].codec_of_node = codec_np; | |
628 | else { | |
629 | u32 idx; | |
630 | ||
631 | ret = of_property_read_u32(cpu_np, "cell-index", &idx); | |
632 | if (ret) { | |
633 | dev_err(&pdev->dev, | |
634 | "cannot get CPU index property\n"); | |
635 | goto asrc_fail; | |
636 | } | |
637 | ||
638 | priv->dai_link[0].codec_name = | |
639 | devm_kasprintf(&pdev->dev, GFP_KERNEL, | |
640 | "ac97-codec.%u", | |
641 | (unsigned int)idx); | |
642 | } | |
643 | ||
708b4351 NC |
644 | priv->dai_link[0].platform_of_node = cpu_np; |
645 | priv->dai_link[0].dai_fmt = priv->dai_fmt; | |
646 | priv->card.num_links = 1; | |
647 | ||
648 | if (asrc_pdev) { | |
649 | /* DPCM DAI Links only if ASRC exsits */ | |
650 | priv->dai_link[1].cpu_of_node = asrc_np; | |
651 | priv->dai_link[1].platform_of_node = asrc_np; | |
114bb139 | 652 | priv->dai_link[2].codec_dai_name = codec_dai_name; |
708b4351 | 653 | priv->dai_link[2].codec_of_node = codec_np; |
50760cad MS |
654 | priv->dai_link[2].codec_name = |
655 | priv->dai_link[0].codec_name; | |
708b4351 NC |
656 | priv->dai_link[2].cpu_of_node = cpu_np; |
657 | priv->dai_link[2].dai_fmt = priv->dai_fmt; | |
658 | priv->card.num_links = 3; | |
659 | ||
660 | ret = of_property_read_u32(asrc_np, "fsl,asrc-rate", | |
661 | &priv->asrc_rate); | |
662 | if (ret) { | |
663 | dev_err(&pdev->dev, "failed to get output rate\n"); | |
664 | ret = -EINVAL; | |
5f37671e | 665 | goto asrc_fail; |
708b4351 NC |
666 | } |
667 | ||
668 | ret = of_property_read_u32(asrc_np, "fsl,asrc-width", &width); | |
669 | if (ret) { | |
670 | dev_err(&pdev->dev, "failed to get output rate\n"); | |
671 | ret = -EINVAL; | |
5f37671e | 672 | goto asrc_fail; |
708b4351 NC |
673 | } |
674 | ||
675 | if (width == 24) | |
676 | priv->asrc_format = SNDRV_PCM_FORMAT_S24_LE; | |
677 | else | |
678 | priv->asrc_format = SNDRV_PCM_FORMAT_S16_LE; | |
679 | } | |
680 | ||
681 | /* Finish card registering */ | |
682 | platform_set_drvdata(pdev, priv); | |
683 | snd_soc_card_set_drvdata(&priv->card, priv); | |
684 | ||
685 | ret = devm_snd_soc_register_card(&pdev->dev, &priv->card); | |
686 | if (ret) | |
687 | dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret); | |
688 | ||
5f37671e SW |
689 | asrc_fail: |
690 | of_node_put(asrc_np); | |
708b4351 | 691 | of_node_put(codec_np); |
50760cad | 692 | fail: |
708b4351 NC |
693 | of_node_put(cpu_np); |
694 | ||
695 | return ret; | |
696 | } | |
697 | ||
698 | static const struct of_device_id fsl_asoc_card_dt_ids[] = { | |
50760cad | 699 | { .compatible = "fsl,imx-audio-ac97", }, |
708b4351 | 700 | { .compatible = "fsl,imx-audio-cs42888", }, |
57e756d3 | 701 | { .compatible = "fsl,imx-audio-cs427x", }, |
708b4351 NC |
702 | { .compatible = "fsl,imx-audio-sgtl5000", }, |
703 | { .compatible = "fsl,imx-audio-wm8962", }, | |
50e0ee01 | 704 | { .compatible = "fsl,imx-audio-wm8960", }, |
708b4351 NC |
705 | {} |
706 | }; | |
5226f234 | 707 | MODULE_DEVICE_TABLE(of, fsl_asoc_card_dt_ids); |
708b4351 NC |
708 | |
709 | static struct platform_driver fsl_asoc_card_driver = { | |
710 | .probe = fsl_asoc_card_probe, | |
711 | .driver = { | |
712 | .name = "fsl-asoc-card", | |
713 | .pm = &snd_soc_pm_ops, | |
714 | .of_match_table = fsl_asoc_card_dt_ids, | |
715 | }, | |
716 | }; | |
717 | module_platform_driver(fsl_asoc_card_driver); | |
718 | ||
719 | MODULE_DESCRIPTION("Freescale Generic ASoC Sound Card driver with ASRC"); | |
720 | MODULE_AUTHOR("Nicolin Chen <nicoleotsuka@gmail.com>"); | |
721 | MODULE_ALIAS("platform:fsl-asoc-card"); | |
722 | MODULE_LICENSE("GPL"); |