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1 | // SPDX-License-Identifier: GPL-2.0 |
2 | // | |
3 | // Freescale Generic ASoC Sound Card driver with ASRC | |
4 | // | |
5 | // Copyright (C) 2014 Freescale Semiconductor, Inc. | |
6 | // | |
7 | // Author: Nicolin Chen <nicoleotsuka@gmail.com> | |
708b4351 NC |
8 | |
9 | #include <linux/clk.h> | |
10 | #include <linux/i2c.h> | |
11 | #include <linux/module.h> | |
12 | #include <linux/of_platform.h> | |
50760cad MS |
13 | #if IS_ENABLED(CONFIG_SND_AC97_CODEC) |
14 | #include <sound/ac97_codec.h> | |
15 | #endif | |
708b4351 NC |
16 | #include <sound/pcm_params.h> |
17 | #include <sound/soc.h> | |
18 | ||
19 | #include "fsl_esai.h" | |
20 | #include "fsl_sai.h" | |
21 | #include "imx-audmux.h" | |
22 | ||
23 | #include "../codecs/sgtl5000.h" | |
24 | #include "../codecs/wm8962.h" | |
50e0ee01 | 25 | #include "../codecs/wm8960.h" |
708b4351 | 26 | |
57e756d3 FT |
27 | #define CS427x_SYSCLK_MCLK 0 |
28 | ||
708b4351 NC |
29 | #define RX 0 |
30 | #define TX 1 | |
31 | ||
32 | /* Default DAI format without Master and Slave flag */ | |
33 | #define DAI_FMT_BASE (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF) | |
34 | ||
35 | /** | |
36 | * CODEC private data | |
37 | * | |
38 | * @mclk_freq: Clock rate of MCLK | |
39 | * @mclk_id: MCLK (or main clock) id for set_sysclk() | |
40 | * @fll_id: FLL (or secordary clock) id for set_sysclk() | |
41 | * @pll_id: PLL id for set_pll() | |
42 | */ | |
43 | struct codec_priv { | |
44 | unsigned long mclk_freq; | |
45 | u32 mclk_id; | |
46 | u32 fll_id; | |
47 | u32 pll_id; | |
48 | }; | |
49 | ||
50 | /** | |
51 | * CPU private data | |
52 | * | |
53 | * @sysclk_freq[2]: SYSCLK rates for set_sysclk() | |
54 | * @sysclk_dir[2]: SYSCLK directions for set_sysclk() | |
55 | * @sysclk_id[2]: SYSCLK ids for set_sysclk() | |
cb3fc1ff | 56 | * @slot_width: Slot width of each frame |
708b4351 NC |
57 | * |
58 | * Note: [1] for tx and [0] for rx | |
59 | */ | |
60 | struct cpu_priv { | |
61 | unsigned long sysclk_freq[2]; | |
62 | u32 sysclk_dir[2]; | |
63 | u32 sysclk_id[2]; | |
cb3fc1ff | 64 | u32 slot_width; |
708b4351 NC |
65 | }; |
66 | ||
67 | /** | |
68 | * Freescale Generic ASOC card private data | |
69 | * | |
70 | * @dai_link[3]: DAI link structure including normal one and DPCM link | |
71 | * @pdev: platform device pointer | |
72 | * @codec_priv: CODEC private data | |
73 | * @cpu_priv: CPU private data | |
74 | * @card: ASoC card structure | |
75 | * @sample_rate: Current sample rate | |
76 | * @sample_format: Current sample format | |
77 | * @asrc_rate: ASRC sample rate used by Back-Ends | |
78 | * @asrc_format: ASRC sample format used by Back-Ends | |
79 | * @dai_fmt: DAI format between CPU and CODEC | |
80 | * @name: Card name | |
81 | */ | |
82 | ||
83 | struct fsl_asoc_card_priv { | |
84 | struct snd_soc_dai_link dai_link[3]; | |
85 | struct platform_device *pdev; | |
86 | struct codec_priv codec_priv; | |
87 | struct cpu_priv cpu_priv; | |
88 | struct snd_soc_card card; | |
89 | u32 sample_rate; | |
fc734c24 | 90 | snd_pcm_format_t sample_format; |
708b4351 | 91 | u32 asrc_rate; |
fc734c24 | 92 | snd_pcm_format_t asrc_format; |
708b4351 NC |
93 | u32 dai_fmt; |
94 | char name[32]; | |
95 | }; | |
96 | ||
97 | /** | |
98 | * This dapm route map exsits for DPCM link only. | |
99 | * The other routes shall go through Device Tree. | |
089dfaf7 NC |
100 | * |
101 | * Note: keep all ASRC routes in the second half | |
102 | * to drop them easily for non-ASRC cases. | |
708b4351 NC |
103 | */ |
104 | static const struct snd_soc_dapm_route audio_map[] = { | |
089dfaf7 | 105 | /* 1st half -- Normal DAPM routes */ |
708b4351 | 106 | {"Playback", NULL, "CPU-Playback"}, |
708b4351 | 107 | {"CPU-Capture", NULL, "Capture"}, |
089dfaf7 NC |
108 | /* 2nd half -- ASRC DAPM routes */ |
109 | {"CPU-Playback", NULL, "ASRC-Playback"}, | |
110 | {"ASRC-Capture", NULL, "CPU-Capture"}, | |
708b4351 NC |
111 | }; |
112 | ||
25e5ef97 | 113 | static const struct snd_soc_dapm_route audio_map_ac97[] = { |
089dfaf7 | 114 | /* 1st half -- Normal DAPM routes */ |
25e5ef97 | 115 | {"Playback", NULL, "AC97 Playback"}, |
25e5ef97 | 116 | {"AC97 Capture", NULL, "Capture"}, |
089dfaf7 NC |
117 | /* 2nd half -- ASRC DAPM routes */ |
118 | {"AC97 Playback", NULL, "ASRC-Playback"}, | |
119 | {"ASRC-Capture", NULL, "AC97 Capture"}, | |
25e5ef97 MS |
120 | }; |
121 | ||
708b4351 NC |
122 | /* Add all possible widgets into here without being redundant */ |
123 | static const struct snd_soc_dapm_widget fsl_asoc_card_dapm_widgets[] = { | |
124 | SND_SOC_DAPM_LINE("Line Out Jack", NULL), | |
125 | SND_SOC_DAPM_LINE("Line In Jack", NULL), | |
126 | SND_SOC_DAPM_HP("Headphone Jack", NULL), | |
127 | SND_SOC_DAPM_SPK("Ext Spk", NULL), | |
128 | SND_SOC_DAPM_MIC("Mic Jack", NULL), | |
129 | SND_SOC_DAPM_MIC("AMIC", NULL), | |
130 | SND_SOC_DAPM_MIC("DMIC", NULL), | |
131 | }; | |
132 | ||
50760cad MS |
133 | static bool fsl_asoc_card_is_ac97(struct fsl_asoc_card_priv *priv) |
134 | { | |
135 | return priv->dai_fmt == SND_SOC_DAIFMT_AC97; | |
136 | } | |
137 | ||
708b4351 NC |
138 | static int fsl_asoc_card_hw_params(struct snd_pcm_substream *substream, |
139 | struct snd_pcm_hw_params *params) | |
140 | { | |
141 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
142 | struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card); | |
143 | bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; | |
144 | struct cpu_priv *cpu_priv = &priv->cpu_priv; | |
145 | struct device *dev = rtd->card->dev; | |
146 | int ret; | |
147 | ||
148 | priv->sample_rate = params_rate(params); | |
149 | priv->sample_format = params_format(params); | |
150 | ||
41282920 NC |
151 | /* |
152 | * If codec-dai is DAI Master and all configurations are already in the | |
153 | * set_bias_level(), bypass the remaining settings in hw_params(). | |
154 | * Note: (dai_fmt & CBM_CFM) includes CBM_CFM and CBM_CFS. | |
155 | */ | |
50760cad MS |
156 | if ((priv->card.set_bias_level && |
157 | priv->dai_fmt & SND_SOC_DAIFMT_CBM_CFM) || | |
158 | fsl_asoc_card_is_ac97(priv)) | |
708b4351 NC |
159 | return 0; |
160 | ||
161 | /* Specific configurations of DAIs starts from here */ | |
162 | ret = snd_soc_dai_set_sysclk(rtd->cpu_dai, cpu_priv->sysclk_id[tx], | |
163 | cpu_priv->sysclk_freq[tx], | |
164 | cpu_priv->sysclk_dir[tx]); | |
758a3b01 | 165 | if (ret && ret != -ENOTSUPP) { |
708b4351 NC |
166 | dev_err(dev, "failed to set sysclk for cpu dai\n"); |
167 | return ret; | |
168 | } | |
169 | ||
cb3fc1ff NC |
170 | if (cpu_priv->slot_width) { |
171 | ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, | |
172 | cpu_priv->slot_width); | |
758a3b01 | 173 | if (ret && ret != -ENOTSUPP) { |
cb3fc1ff NC |
174 | dev_err(dev, "failed to set TDM slot for cpu dai\n"); |
175 | return ret; | |
176 | } | |
177 | } | |
178 | ||
708b4351 NC |
179 | return 0; |
180 | } | |
181 | ||
ddba7fa4 | 182 | static const struct snd_soc_ops fsl_asoc_card_ops = { |
708b4351 NC |
183 | .hw_params = fsl_asoc_card_hw_params, |
184 | }; | |
185 | ||
186 | static int be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, | |
187 | struct snd_pcm_hw_params *params) | |
188 | { | |
189 | struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card); | |
190 | struct snd_interval *rate; | |
191 | struct snd_mask *mask; | |
192 | ||
193 | rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); | |
194 | rate->max = rate->min = priv->asrc_rate; | |
195 | ||
196 | mask = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); | |
197 | snd_mask_none(mask); | |
ebc22af0 | 198 | snd_mask_set_format(mask, priv->asrc_format); |
708b4351 NC |
199 | |
200 | return 0; | |
201 | } | |
202 | ||
203 | static struct snd_soc_dai_link fsl_asoc_card_dai[] = { | |
204 | /* Default ASoC DAI Link*/ | |
205 | { | |
206 | .name = "HiFi", | |
207 | .stream_name = "HiFi", | |
208 | .ops = &fsl_asoc_card_ops, | |
209 | }, | |
210 | /* DPCM Link between Front-End and Back-End (Optional) */ | |
211 | { | |
212 | .name = "HiFi-ASRC-FE", | |
213 | .stream_name = "HiFi-ASRC-FE", | |
214 | .codec_name = "snd-soc-dummy", | |
215 | .codec_dai_name = "snd-soc-dummy-dai", | |
216 | .dpcm_playback = 1, | |
217 | .dpcm_capture = 1, | |
218 | .dynamic = 1, | |
219 | }, | |
220 | { | |
221 | .name = "HiFi-ASRC-BE", | |
222 | .stream_name = "HiFi-ASRC-BE", | |
223 | .platform_name = "snd-soc-dummy", | |
224 | .be_hw_params_fixup = be_hw_params_fixup, | |
225 | .ops = &fsl_asoc_card_ops, | |
226 | .dpcm_playback = 1, | |
227 | .dpcm_capture = 1, | |
228 | .no_pcm = 1, | |
229 | }, | |
230 | }; | |
231 | ||
232 | static int fsl_asoc_card_set_bias_level(struct snd_soc_card *card, | |
233 | struct snd_soc_dapm_context *dapm, | |
234 | enum snd_soc_bias_level level) | |
235 | { | |
236 | struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(card); | |
5015920a ML |
237 | struct snd_soc_pcm_runtime *rtd; |
238 | struct snd_soc_dai *codec_dai; | |
708b4351 NC |
239 | struct codec_priv *codec_priv = &priv->codec_priv; |
240 | struct device *dev = card->dev; | |
241 | unsigned int pll_out; | |
242 | int ret; | |
243 | ||
5015920a ML |
244 | rtd = snd_soc_get_pcm_runtime(card, card->dai_link[0].name); |
245 | codec_dai = rtd->codec_dai; | |
708b4351 NC |
246 | if (dapm->dev != codec_dai->dev) |
247 | return 0; | |
248 | ||
249 | switch (level) { | |
250 | case SND_SOC_BIAS_PREPARE: | |
251 | if (dapm->bias_level != SND_SOC_BIAS_STANDBY) | |
252 | break; | |
253 | ||
254 | if (priv->sample_format == SNDRV_PCM_FORMAT_S24_LE) | |
255 | pll_out = priv->sample_rate * 384; | |
256 | else | |
257 | pll_out = priv->sample_rate * 256; | |
258 | ||
259 | ret = snd_soc_dai_set_pll(codec_dai, codec_priv->pll_id, | |
260 | codec_priv->mclk_id, | |
261 | codec_priv->mclk_freq, pll_out); | |
262 | if (ret) { | |
263 | dev_err(dev, "failed to start FLL: %d\n", ret); | |
264 | return ret; | |
265 | } | |
266 | ||
267 | ret = snd_soc_dai_set_sysclk(codec_dai, codec_priv->fll_id, | |
268 | pll_out, SND_SOC_CLOCK_IN); | |
758a3b01 | 269 | if (ret && ret != -ENOTSUPP) { |
708b4351 NC |
270 | dev_err(dev, "failed to set SYSCLK: %d\n", ret); |
271 | return ret; | |
272 | } | |
273 | break; | |
274 | ||
275 | case SND_SOC_BIAS_STANDBY: | |
276 | if (dapm->bias_level != SND_SOC_BIAS_PREPARE) | |
277 | break; | |
278 | ||
279 | ret = snd_soc_dai_set_sysclk(codec_dai, codec_priv->mclk_id, | |
280 | codec_priv->mclk_freq, | |
281 | SND_SOC_CLOCK_IN); | |
758a3b01 | 282 | if (ret && ret != -ENOTSUPP) { |
708b4351 NC |
283 | dev_err(dev, "failed to switch away from FLL: %d\n", ret); |
284 | return ret; | |
285 | } | |
286 | ||
287 | ret = snd_soc_dai_set_pll(codec_dai, codec_priv->pll_id, 0, 0, 0); | |
288 | if (ret) { | |
289 | dev_err(dev, "failed to stop FLL: %d\n", ret); | |
290 | return ret; | |
291 | } | |
292 | break; | |
293 | ||
294 | default: | |
295 | break; | |
296 | } | |
297 | ||
298 | return 0; | |
299 | } | |
300 | ||
301 | static int fsl_asoc_card_audmux_init(struct device_node *np, | |
302 | struct fsl_asoc_card_priv *priv) | |
303 | { | |
304 | struct device *dev = &priv->pdev->dev; | |
305 | u32 int_ptcr = 0, ext_ptcr = 0; | |
306 | int int_port, ext_port; | |
307 | int ret; | |
308 | ||
309 | ret = of_property_read_u32(np, "mux-int-port", &int_port); | |
310 | if (ret) { | |
311 | dev_err(dev, "mux-int-port missing or invalid\n"); | |
312 | return ret; | |
313 | } | |
314 | ret = of_property_read_u32(np, "mux-ext-port", &ext_port); | |
315 | if (ret) { | |
316 | dev_err(dev, "mux-ext-port missing or invalid\n"); | |
317 | return ret; | |
318 | } | |
319 | ||
320 | /* | |
321 | * The port numbering in the hardware manual starts at 1, while | |
322 | * the AUDMUX API expects it starts at 0. | |
323 | */ | |
324 | int_port--; | |
325 | ext_port--; | |
326 | ||
327 | /* | |
50760cad | 328 | * Use asynchronous mode (6 wires) for all cases except AC97. |
708b4351 NC |
329 | * If only 4 wires are needed, just set SSI into |
330 | * synchronous mode and enable 4 PADs in IOMUX. | |
331 | */ | |
332 | switch (priv->dai_fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
333 | case SND_SOC_DAIFMT_CBM_CFM: | |
334 | int_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | ext_port) | | |
335 | IMX_AUDMUX_V2_PTCR_RCSEL(8 | ext_port) | | |
336 | IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) | | |
337 | IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) | | |
338 | IMX_AUDMUX_V2_PTCR_RFSDIR | | |
339 | IMX_AUDMUX_V2_PTCR_RCLKDIR | | |
340 | IMX_AUDMUX_V2_PTCR_TFSDIR | | |
341 | IMX_AUDMUX_V2_PTCR_TCLKDIR; | |
342 | break; | |
343 | case SND_SOC_DAIFMT_CBM_CFS: | |
344 | int_ptcr = IMX_AUDMUX_V2_PTCR_RCSEL(8 | ext_port) | | |
345 | IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) | | |
346 | IMX_AUDMUX_V2_PTCR_RCLKDIR | | |
347 | IMX_AUDMUX_V2_PTCR_TCLKDIR; | |
348 | ext_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | int_port) | | |
349 | IMX_AUDMUX_V2_PTCR_TFSEL(int_port) | | |
350 | IMX_AUDMUX_V2_PTCR_RFSDIR | | |
351 | IMX_AUDMUX_V2_PTCR_TFSDIR; | |
352 | break; | |
353 | case SND_SOC_DAIFMT_CBS_CFM: | |
354 | int_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | ext_port) | | |
355 | IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) | | |
356 | IMX_AUDMUX_V2_PTCR_RFSDIR | | |
357 | IMX_AUDMUX_V2_PTCR_TFSDIR; | |
358 | ext_ptcr = IMX_AUDMUX_V2_PTCR_RCSEL(8 | int_port) | | |
359 | IMX_AUDMUX_V2_PTCR_TCSEL(int_port) | | |
360 | IMX_AUDMUX_V2_PTCR_RCLKDIR | | |
361 | IMX_AUDMUX_V2_PTCR_TCLKDIR; | |
362 | break; | |
363 | case SND_SOC_DAIFMT_CBS_CFS: | |
364 | ext_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | int_port) | | |
365 | IMX_AUDMUX_V2_PTCR_RCSEL(8 | int_port) | | |
366 | IMX_AUDMUX_V2_PTCR_TFSEL(int_port) | | |
367 | IMX_AUDMUX_V2_PTCR_TCSEL(int_port) | | |
368 | IMX_AUDMUX_V2_PTCR_RFSDIR | | |
369 | IMX_AUDMUX_V2_PTCR_RCLKDIR | | |
370 | IMX_AUDMUX_V2_PTCR_TFSDIR | | |
371 | IMX_AUDMUX_V2_PTCR_TCLKDIR; | |
372 | break; | |
373 | default: | |
50760cad MS |
374 | if (!fsl_asoc_card_is_ac97(priv)) |
375 | return -EINVAL; | |
376 | } | |
377 | ||
378 | if (fsl_asoc_card_is_ac97(priv)) { | |
379 | int_ptcr = IMX_AUDMUX_V2_PTCR_SYN | | |
380 | IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) | | |
381 | IMX_AUDMUX_V2_PTCR_TCLKDIR; | |
382 | ext_ptcr = IMX_AUDMUX_V2_PTCR_SYN | | |
383 | IMX_AUDMUX_V2_PTCR_TFSEL(int_port) | | |
384 | IMX_AUDMUX_V2_PTCR_TFSDIR; | |
708b4351 NC |
385 | } |
386 | ||
387 | /* Asynchronous mode can not be set along with RCLKDIR */ | |
50760cad MS |
388 | if (!fsl_asoc_card_is_ac97(priv)) { |
389 | unsigned int pdcr = | |
390 | IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port); | |
391 | ||
392 | ret = imx_audmux_v2_configure_port(int_port, 0, | |
393 | pdcr); | |
394 | if (ret) { | |
395 | dev_err(dev, "audmux internal port setup failed\n"); | |
396 | return ret; | |
397 | } | |
708b4351 NC |
398 | } |
399 | ||
400 | ret = imx_audmux_v2_configure_port(int_port, int_ptcr, | |
401 | IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port)); | |
402 | if (ret) { | |
403 | dev_err(dev, "audmux internal port setup failed\n"); | |
404 | return ret; | |
405 | } | |
406 | ||
50760cad MS |
407 | if (!fsl_asoc_card_is_ac97(priv)) { |
408 | unsigned int pdcr = | |
409 | IMX_AUDMUX_V2_PDCR_RXDSEL(int_port); | |
410 | ||
411 | ret = imx_audmux_v2_configure_port(ext_port, 0, | |
412 | pdcr); | |
413 | if (ret) { | |
414 | dev_err(dev, "audmux external port setup failed\n"); | |
415 | return ret; | |
416 | } | |
708b4351 NC |
417 | } |
418 | ||
419 | ret = imx_audmux_v2_configure_port(ext_port, ext_ptcr, | |
420 | IMX_AUDMUX_V2_PDCR_RXDSEL(int_port)); | |
421 | if (ret) { | |
422 | dev_err(dev, "audmux external port setup failed\n"); | |
423 | return ret; | |
424 | } | |
425 | ||
426 | return 0; | |
427 | } | |
428 | ||
429 | static int fsl_asoc_card_late_probe(struct snd_soc_card *card) | |
430 | { | |
431 | struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(card); | |
abd657b1 VK |
432 | struct snd_soc_pcm_runtime *rtd = list_first_entry( |
433 | &card->rtd_list, struct snd_soc_pcm_runtime, list); | |
434 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
708b4351 NC |
435 | struct codec_priv *codec_priv = &priv->codec_priv; |
436 | struct device *dev = card->dev; | |
437 | int ret; | |
438 | ||
50760cad MS |
439 | if (fsl_asoc_card_is_ac97(priv)) { |
440 | #if IS_ENABLED(CONFIG_SND_AC97_CODEC) | |
845f80cb KM |
441 | struct snd_soc_component *component = rtd->codec_dai->component; |
442 | struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component); | |
50760cad MS |
443 | |
444 | /* | |
445 | * Use slots 3/4 for S/PDIF so SSI won't try to enable | |
446 | * other slots and send some samples there | |
447 | * due to SLOTREQ bits for S/PDIF received from codec | |
448 | */ | |
449 | snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, | |
450 | AC97_EA_SPSA_SLOT_MASK, AC97_EA_SPSA_3_4); | |
451 | #endif | |
452 | ||
453 | return 0; | |
454 | } | |
455 | ||
708b4351 NC |
456 | ret = snd_soc_dai_set_sysclk(codec_dai, codec_priv->mclk_id, |
457 | codec_priv->mclk_freq, SND_SOC_CLOCK_IN); | |
758a3b01 | 458 | if (ret && ret != -ENOTSUPP) { |
708b4351 NC |
459 | dev_err(dev, "failed to set sysclk in %s\n", __func__); |
460 | return ret; | |
461 | } | |
462 | ||
463 | return 0; | |
464 | } | |
465 | ||
466 | static int fsl_asoc_card_probe(struct platform_device *pdev) | |
467 | { | |
468 | struct device_node *cpu_np, *codec_np, *asrc_np; | |
469 | struct device_node *np = pdev->dev.of_node; | |
470 | struct platform_device *asrc_pdev = NULL; | |
471 | struct platform_device *cpu_pdev; | |
472 | struct fsl_asoc_card_priv *priv; | |
473 | struct i2c_client *codec_dev; | |
114bb139 | 474 | const char *codec_dai_name; |
708b4351 NC |
475 | u32 width; |
476 | int ret; | |
477 | ||
478 | priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); | |
479 | if (!priv) | |
480 | return -ENOMEM; | |
481 | ||
482 | cpu_np = of_parse_phandle(np, "audio-cpu", 0); | |
483 | /* Give a chance to old DT binding */ | |
484 | if (!cpu_np) | |
485 | cpu_np = of_parse_phandle(np, "ssi-controller", 0); | |
50760cad MS |
486 | if (!cpu_np) { |
487 | dev_err(&pdev->dev, "CPU phandle missing or invalid\n"); | |
708b4351 NC |
488 | ret = -EINVAL; |
489 | goto fail; | |
490 | } | |
491 | ||
492 | cpu_pdev = of_find_device_by_node(cpu_np); | |
493 | if (!cpu_pdev) { | |
494 | dev_err(&pdev->dev, "failed to find CPU DAI device\n"); | |
495 | ret = -EINVAL; | |
496 | goto fail; | |
497 | } | |
498 | ||
50760cad MS |
499 | codec_np = of_parse_phandle(np, "audio-codec", 0); |
500 | if (codec_np) | |
501 | codec_dev = of_find_i2c_device_by_node(codec_np); | |
502 | else | |
503 | codec_dev = NULL; | |
708b4351 NC |
504 | |
505 | asrc_np = of_parse_phandle(np, "audio-asrc", 0); | |
506 | if (asrc_np) | |
507 | asrc_pdev = of_find_device_by_node(asrc_np); | |
508 | ||
509 | /* Get the MCLK rate only, and leave it controlled by CODEC drivers */ | |
50760cad MS |
510 | if (codec_dev) { |
511 | struct clk *codec_clk = clk_get(&codec_dev->dev, NULL); | |
512 | ||
513 | if (!IS_ERR(codec_clk)) { | |
514 | priv->codec_priv.mclk_freq = clk_get_rate(codec_clk); | |
515 | clk_put(codec_clk); | |
516 | } | |
708b4351 NC |
517 | } |
518 | ||
519 | /* Default sample rate and format, will be updated in hw_params() */ | |
520 | priv->sample_rate = 44100; | |
521 | priv->sample_format = SNDRV_PCM_FORMAT_S16_LE; | |
522 | ||
523 | /* Assign a default DAI format, and allow each card to overwrite it */ | |
524 | priv->dai_fmt = DAI_FMT_BASE; | |
525 | ||
526 | /* Diversify the card configurations */ | |
527 | if (of_device_is_compatible(np, "fsl,imx-audio-cs42888")) { | |
114bb139 | 528 | codec_dai_name = "cs42888"; |
708b4351 NC |
529 | priv->card.set_bias_level = NULL; |
530 | priv->cpu_priv.sysclk_freq[TX] = priv->codec_priv.mclk_freq; | |
531 | priv->cpu_priv.sysclk_freq[RX] = priv->codec_priv.mclk_freq; | |
532 | priv->cpu_priv.sysclk_dir[TX] = SND_SOC_CLOCK_OUT; | |
533 | priv->cpu_priv.sysclk_dir[RX] = SND_SOC_CLOCK_OUT; | |
cb3fc1ff | 534 | priv->cpu_priv.slot_width = 32; |
708b4351 | 535 | priv->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS; |
57e756d3 FT |
536 | } else if (of_device_is_compatible(np, "fsl,imx-audio-cs427x")) { |
537 | codec_dai_name = "cs4271-hifi"; | |
538 | priv->codec_priv.mclk_id = CS427x_SYSCLK_MCLK; | |
539 | priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
708b4351 | 540 | } else if (of_device_is_compatible(np, "fsl,imx-audio-sgtl5000")) { |
114bb139 | 541 | codec_dai_name = "sgtl5000"; |
708b4351 NC |
542 | priv->codec_priv.mclk_id = SGTL5000_SYSCLK; |
543 | priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
544 | } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8962")) { | |
114bb139 | 545 | codec_dai_name = "wm8962"; |
708b4351 NC |
546 | priv->card.set_bias_level = fsl_asoc_card_set_bias_level; |
547 | priv->codec_priv.mclk_id = WM8962_SYSCLK_MCLK; | |
548 | priv->codec_priv.fll_id = WM8962_SYSCLK_FLL; | |
549 | priv->codec_priv.pll_id = WM8962_FLL; | |
550 | priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
50e0ee01 ZW |
551 | } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8960")) { |
552 | codec_dai_name = "wm8960-hifi"; | |
553 | priv->card.set_bias_level = fsl_asoc_card_set_bias_level; | |
554 | priv->codec_priv.fll_id = WM8960_SYSCLK_AUTO; | |
555 | priv->codec_priv.pll_id = WM8960_SYSCLK_AUTO; | |
556 | priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
50760cad MS |
557 | } else if (of_device_is_compatible(np, "fsl,imx-audio-ac97")) { |
558 | codec_dai_name = "ac97-hifi"; | |
559 | priv->card.set_bias_level = NULL; | |
560 | priv->dai_fmt = SND_SOC_DAIFMT_AC97; | |
708b4351 NC |
561 | } else { |
562 | dev_err(&pdev->dev, "unknown Device Tree compatible\n"); | |
6bd3c6f7 MS |
563 | ret = -EINVAL; |
564 | goto asrc_fail; | |
708b4351 NC |
565 | } |
566 | ||
50760cad MS |
567 | if (!fsl_asoc_card_is_ac97(priv) && !codec_dev) { |
568 | dev_err(&pdev->dev, "failed to find codec device\n"); | |
569 | ret = -EINVAL; | |
570 | goto asrc_fail; | |
708b4351 NC |
571 | } |
572 | ||
573 | /* Common settings for corresponding Freescale CPU DAI driver */ | |
1d52a74e | 574 | if (of_node_name_eq(cpu_np, "ssi")) { |
708b4351 NC |
575 | /* Only SSI needs to configure AUDMUX */ |
576 | ret = fsl_asoc_card_audmux_init(np, priv); | |
577 | if (ret) { | |
578 | dev_err(&pdev->dev, "failed to init audmux\n"); | |
5f37671e | 579 | goto asrc_fail; |
708b4351 | 580 | } |
1d52a74e | 581 | } else if (of_node_name_eq(cpu_np, "esai")) { |
708b4351 NC |
582 | priv->cpu_priv.sysclk_id[1] = ESAI_HCKT_EXTAL; |
583 | priv->cpu_priv.sysclk_id[0] = ESAI_HCKR_EXTAL; | |
1d52a74e | 584 | } else if (of_node_name_eq(cpu_np, "sai")) { |
708b4351 NC |
585 | priv->cpu_priv.sysclk_id[1] = FSL_SAI_CLK_MAST1; |
586 | priv->cpu_priv.sysclk_id[0] = FSL_SAI_CLK_MAST1; | |
587 | } | |
588 | ||
50760cad MS |
589 | snprintf(priv->name, sizeof(priv->name), "%s-audio", |
590 | fsl_asoc_card_is_ac97(priv) ? "ac97" : | |
591 | codec_dev->name); | |
708b4351 NC |
592 | |
593 | /* Initialize sound card */ | |
594 | priv->pdev = pdev; | |
595 | priv->card.dev = &pdev->dev; | |
596 | priv->card.name = priv->name; | |
597 | priv->card.dai_link = priv->dai_link; | |
25e5ef97 MS |
598 | priv->card.dapm_routes = fsl_asoc_card_is_ac97(priv) ? |
599 | audio_map_ac97 : audio_map; | |
708b4351 NC |
600 | priv->card.late_probe = fsl_asoc_card_late_probe; |
601 | priv->card.num_dapm_routes = ARRAY_SIZE(audio_map); | |
602 | priv->card.dapm_widgets = fsl_asoc_card_dapm_widgets; | |
603 | priv->card.num_dapm_widgets = ARRAY_SIZE(fsl_asoc_card_dapm_widgets); | |
604 | ||
089dfaf7 NC |
605 | /* Drop the second half of DAPM routes -- ASRC */ |
606 | if (!asrc_pdev) | |
607 | priv->card.num_dapm_routes /= 2; | |
608 | ||
708b4351 NC |
609 | memcpy(priv->dai_link, fsl_asoc_card_dai, |
610 | sizeof(struct snd_soc_dai_link) * ARRAY_SIZE(priv->dai_link)); | |
611 | ||
3185878a NC |
612 | ret = snd_soc_of_parse_audio_routing(&priv->card, "audio-routing"); |
613 | if (ret) { | |
614 | dev_err(&pdev->dev, "failed to parse audio-routing: %d\n", ret); | |
615 | goto asrc_fail; | |
616 | } | |
617 | ||
708b4351 NC |
618 | /* Normal DAI Link */ |
619 | priv->dai_link[0].cpu_of_node = cpu_np; | |
114bb139 | 620 | priv->dai_link[0].codec_dai_name = codec_dai_name; |
50760cad MS |
621 | |
622 | if (!fsl_asoc_card_is_ac97(priv)) | |
623 | priv->dai_link[0].codec_of_node = codec_np; | |
624 | else { | |
625 | u32 idx; | |
626 | ||
627 | ret = of_property_read_u32(cpu_np, "cell-index", &idx); | |
628 | if (ret) { | |
629 | dev_err(&pdev->dev, | |
630 | "cannot get CPU index property\n"); | |
631 | goto asrc_fail; | |
632 | } | |
633 | ||
634 | priv->dai_link[0].codec_name = | |
635 | devm_kasprintf(&pdev->dev, GFP_KERNEL, | |
636 | "ac97-codec.%u", | |
637 | (unsigned int)idx); | |
7add71b6 AY |
638 | if (!priv->dai_link[0].codec_name) { |
639 | ret = -ENOMEM; | |
640 | goto asrc_fail; | |
641 | } | |
50760cad MS |
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); | |
e5d619e9 | 686 | if (ret && ret != -EPROBE_DEFER) |
708b4351 NC |
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); |
11907e9d | 692 | put_device(&cpu_pdev->dev); |
50760cad | 693 | fail: |
708b4351 NC |
694 | of_node_put(cpu_np); |
695 | ||
696 | return ret; | |
697 | } | |
698 | ||
699 | static const struct of_device_id fsl_asoc_card_dt_ids[] = { | |
50760cad | 700 | { .compatible = "fsl,imx-audio-ac97", }, |
708b4351 | 701 | { .compatible = "fsl,imx-audio-cs42888", }, |
57e756d3 | 702 | { .compatible = "fsl,imx-audio-cs427x", }, |
708b4351 NC |
703 | { .compatible = "fsl,imx-audio-sgtl5000", }, |
704 | { .compatible = "fsl,imx-audio-wm8962", }, | |
50e0ee01 | 705 | { .compatible = "fsl,imx-audio-wm8960", }, |
708b4351 NC |
706 | {} |
707 | }; | |
5226f234 | 708 | MODULE_DEVICE_TABLE(of, fsl_asoc_card_dt_ids); |
708b4351 NC |
709 | |
710 | static struct platform_driver fsl_asoc_card_driver = { | |
711 | .probe = fsl_asoc_card_probe, | |
712 | .driver = { | |
713 | .name = "fsl-asoc-card", | |
714 | .pm = &snd_soc_pm_ops, | |
715 | .of_match_table = fsl_asoc_card_dt_ids, | |
716 | }, | |
717 | }; | |
718 | module_platform_driver(fsl_asoc_card_driver); | |
719 | ||
720 | MODULE_DESCRIPTION("Freescale Generic ASoC Sound Card driver with ASRC"); | |
721 | MODULE_AUTHOR("Nicolin Chen <nicoleotsuka@gmail.com>"); | |
722 | MODULE_ALIAS("platform:fsl-asoc-card"); | |
723 | MODULE_LICENSE("GPL"); |