Commit | Line | Data |
---|---|---|
18382ead SP |
1 | /* |
2 | * hdac_hdmi.c - ASoc HDA-HDMI codec driver for Intel platforms | |
3 | * | |
4 | * Copyright (C) 2014-2015 Intel Corp | |
5 | * Author: Samreen Nilofer <samreen.nilofer@intel.com> | |
6 | * Subhransu S. Prusty <subhransu.s.prusty@intel.com> | |
7 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; version 2 of the License. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | * | |
18 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
19 | */ | |
20 | #include <linux/init.h> | |
21 | #include <linux/delay.h> | |
22 | #include <linux/module.h> | |
23 | #include <linux/pm_runtime.h> | |
a657f1d0 | 24 | #include <linux/hdmi.h> |
2428bca3 | 25 | #include <drm/drm_edid.h> |
18382ead | 26 | #include <sound/pcm_params.h> |
4a3478de | 27 | #include <sound/jack.h> |
18382ead SP |
28 | #include <sound/soc.h> |
29 | #include <sound/hdaudio_ext.h> | |
07f083ab | 30 | #include <sound/hda_i915.h> |
2428bca3 | 31 | #include <sound/pcm_drm_eld.h> |
18382ead | 32 | #include "../../hda/local.h" |
4a3478de | 33 | #include "hdac_hdmi.h" |
18382ead | 34 | |
17a42c45 SP |
35 | #define NAME_SIZE 32 |
36 | ||
b0362adb SP |
37 | #define AMP_OUT_MUTE 0xb080 |
38 | #define AMP_OUT_UNMUTE 0xb000 | |
18382ead | 39 | #define PIN_OUT (AC_PINCTL_OUT_EN) |
b0362adb | 40 | |
18382ead SP |
41 | #define HDA_MAX_CONNECTIONS 32 |
42 | ||
b8a54545 SP |
43 | #define ELD_MAX_SIZE 256 |
44 | #define ELD_FIXED_BYTES 20 | |
45 | ||
18382ead SP |
46 | struct hdac_hdmi_cvt_params { |
47 | unsigned int channels_min; | |
48 | unsigned int channels_max; | |
49 | u32 rates; | |
50 | u64 formats; | |
51 | unsigned int maxbps; | |
52 | }; | |
53 | ||
54 | struct hdac_hdmi_cvt { | |
15b91447 | 55 | struct list_head head; |
18382ead | 56 | hda_nid_t nid; |
4a3478de | 57 | const char *name; |
18382ead SP |
58 | struct hdac_hdmi_cvt_params params; |
59 | }; | |
60 | ||
b8a54545 SP |
61 | struct hdac_hdmi_eld { |
62 | bool monitor_present; | |
63 | bool eld_valid; | |
64 | int eld_size; | |
65 | char eld_buffer[ELD_MAX_SIZE]; | |
66 | }; | |
67 | ||
18382ead | 68 | struct hdac_hdmi_pin { |
15b91447 | 69 | struct list_head head; |
18382ead SP |
70 | hda_nid_t nid; |
71 | int num_mux_nids; | |
72 | hda_nid_t mux_nids[HDA_MAX_CONNECTIONS]; | |
b8a54545 SP |
73 | struct hdac_hdmi_eld eld; |
74 | struct hdac_ext_device *edev; | |
75 | int repoll_count; | |
76 | struct delayed_work work; | |
18382ead SP |
77 | }; |
78 | ||
4a3478de JK |
79 | struct hdac_hdmi_pcm { |
80 | struct list_head head; | |
81 | int pcm_id; | |
82 | struct hdac_hdmi_pin *pin; | |
83 | struct hdac_hdmi_cvt *cvt; | |
84 | struct snd_jack *jack; | |
85 | }; | |
86 | ||
18382ead SP |
87 | struct hdac_hdmi_dai_pin_map { |
88 | int dai_id; | |
15b91447 SP |
89 | struct hdac_hdmi_pin *pin; |
90 | struct hdac_hdmi_cvt *cvt; | |
18382ead SP |
91 | }; |
92 | ||
93 | struct hdac_hdmi_priv { | |
18382ead | 94 | struct hdac_hdmi_dai_pin_map dai_map[3]; |
15b91447 SP |
95 | struct list_head pin_list; |
96 | struct list_head cvt_list; | |
4a3478de | 97 | struct list_head pcm_list; |
15b91447 SP |
98 | int num_pin; |
99 | int num_cvt; | |
4a3478de | 100 | struct mutex pin_mutex; |
18382ead SP |
101 | }; |
102 | ||
e342ac08 SP |
103 | static inline struct hdac_ext_device *to_hda_ext_device(struct device *dev) |
104 | { | |
51b2c425 | 105 | struct hdac_device *hdac = dev_to_hdac_dev(dev); |
e342ac08 | 106 | |
51b2c425 | 107 | return to_ehdac_device(hdac); |
e342ac08 SP |
108 | } |
109 | ||
2428bca3 SP |
110 | static unsigned int sad_format(const u8 *sad) |
111 | { | |
112 | return ((sad[0] >> 0x3) & 0x1f); | |
113 | } | |
114 | ||
115 | static unsigned int sad_sample_bits_lpcm(const u8 *sad) | |
116 | { | |
117 | return (sad[2] & 7); | |
118 | } | |
119 | ||
120 | static int hdac_hdmi_eld_limit_formats(struct snd_pcm_runtime *runtime, | |
121 | void *eld) | |
122 | { | |
123 | u64 formats = SNDRV_PCM_FMTBIT_S16; | |
124 | int i; | |
125 | const u8 *sad, *eld_buf = eld; | |
126 | ||
127 | sad = drm_eld_sad(eld_buf); | |
128 | if (!sad) | |
129 | goto format_constraint; | |
130 | ||
131 | for (i = drm_eld_sad_count(eld_buf); i > 0; i--, sad += 3) { | |
132 | if (sad_format(sad) == 1) { /* AUDIO_CODING_TYPE_LPCM */ | |
133 | ||
134 | /* | |
135 | * the controller support 20 and 24 bits in 32 bit | |
136 | * container so we set S32 | |
137 | */ | |
138 | if (sad_sample_bits_lpcm(sad) & 0x6) | |
139 | formats |= SNDRV_PCM_FMTBIT_S32; | |
140 | } | |
141 | } | |
142 | ||
143 | format_constraint: | |
144 | return snd_pcm_hw_constraint_mask64(runtime, SNDRV_PCM_HW_PARAM_FORMAT, | |
145 | formats); | |
146 | ||
147 | } | |
148 | ||
b8a54545 SP |
149 | /* HDMI ELD routines */ |
150 | static unsigned int hdac_hdmi_get_eld_data(struct hdac_device *codec, | |
151 | hda_nid_t nid, int byte_index) | |
152 | { | |
153 | unsigned int val; | |
154 | ||
155 | val = snd_hdac_codec_read(codec, nid, 0, AC_VERB_GET_HDMI_ELDD, | |
156 | byte_index); | |
157 | ||
158 | dev_dbg(&codec->dev, "HDMI: ELD data byte %d: 0x%x\n", | |
159 | byte_index, val); | |
160 | ||
161 | return val; | |
162 | } | |
163 | ||
164 | static int hdac_hdmi_get_eld_size(struct hdac_device *codec, hda_nid_t nid) | |
165 | { | |
166 | return snd_hdac_codec_read(codec, nid, 0, AC_VERB_GET_HDMI_DIP_SIZE, | |
167 | AC_DIPSIZE_ELD_BUF); | |
168 | } | |
169 | ||
170 | /* | |
171 | * This function queries the ELD size and ELD data and fills in the buffer | |
172 | * passed by user | |
173 | */ | |
174 | static int hdac_hdmi_get_eld(struct hdac_device *codec, hda_nid_t nid, | |
175 | unsigned char *buf, int *eld_size) | |
176 | { | |
177 | int i, size, ret = 0; | |
178 | ||
179 | /* | |
180 | * ELD size is initialized to zero in caller function. If no errors and | |
181 | * ELD is valid, actual eld_size is assigned. | |
182 | */ | |
183 | ||
184 | size = hdac_hdmi_get_eld_size(codec, nid); | |
185 | if (size < ELD_FIXED_BYTES || size > ELD_MAX_SIZE) { | |
186 | dev_err(&codec->dev, "HDMI: invalid ELD buf size %d\n", size); | |
187 | return -ERANGE; | |
188 | } | |
189 | ||
190 | /* set ELD buffer */ | |
191 | for (i = 0; i < size; i++) { | |
192 | unsigned int val = hdac_hdmi_get_eld_data(codec, nid, i); | |
193 | /* | |
194 | * Graphics driver might be writing to ELD buffer right now. | |
195 | * Just abort. The caller will repoll after a while. | |
196 | */ | |
197 | if (!(val & AC_ELDD_ELD_VALID)) { | |
198 | dev_err(&codec->dev, | |
199 | "HDMI: invalid ELD data byte %d\n", i); | |
200 | ret = -EINVAL; | |
201 | goto error; | |
202 | } | |
203 | val &= AC_ELDD_ELD_DATA; | |
204 | /* | |
205 | * The first byte cannot be zero. This can happen on some DVI | |
206 | * connections. Some Intel chips may also need some 250ms delay | |
207 | * to return non-zero ELD data, even when the graphics driver | |
208 | * correctly writes ELD content before setting ELD_valid bit. | |
209 | */ | |
210 | if (!val && !i) { | |
211 | dev_err(&codec->dev, "HDMI: 0 ELD data\n"); | |
212 | ret = -EINVAL; | |
213 | goto error; | |
214 | } | |
215 | buf[i] = val; | |
216 | } | |
217 | ||
218 | *eld_size = size; | |
219 | error: | |
220 | return ret; | |
221 | } | |
222 | ||
b0362adb SP |
223 | static int hdac_hdmi_setup_stream(struct hdac_ext_device *hdac, |
224 | hda_nid_t cvt_nid, hda_nid_t pin_nid, | |
225 | u32 stream_tag, int format) | |
226 | { | |
227 | unsigned int val; | |
228 | ||
229 | dev_dbg(&hdac->hdac.dev, "cvt nid %d pnid %d stream %d format 0x%x\n", | |
230 | cvt_nid, pin_nid, stream_tag, format); | |
231 | ||
232 | val = (stream_tag << 4); | |
233 | ||
234 | snd_hdac_codec_write(&hdac->hdac, cvt_nid, 0, | |
235 | AC_VERB_SET_CHANNEL_STREAMID, val); | |
236 | snd_hdac_codec_write(&hdac->hdac, cvt_nid, 0, | |
237 | AC_VERB_SET_STREAM_FORMAT, format); | |
238 | ||
239 | return 0; | |
240 | } | |
241 | ||
a657f1d0 SP |
242 | static void |
243 | hdac_hdmi_set_dip_index(struct hdac_ext_device *hdac, hda_nid_t pin_nid, | |
244 | int packet_index, int byte_index) | |
245 | { | |
246 | int val; | |
247 | ||
248 | val = (packet_index << 5) | (byte_index & 0x1f); | |
249 | ||
250 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, | |
251 | AC_VERB_SET_HDMI_DIP_INDEX, val); | |
252 | } | |
253 | ||
254 | static int hdac_hdmi_setup_audio_infoframe(struct hdac_ext_device *hdac, | |
255 | hda_nid_t cvt_nid, hda_nid_t pin_nid) | |
256 | { | |
257 | uint8_t buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AUDIO_INFOFRAME_SIZE]; | |
258 | struct hdmi_audio_infoframe frame; | |
259 | u8 *dip = (u8 *)&frame; | |
260 | int ret; | |
261 | int i; | |
262 | ||
263 | hdmi_audio_infoframe_init(&frame); | |
264 | ||
265 | /* Default stereo for now */ | |
266 | frame.channels = 2; | |
267 | ||
268 | /* setup channel count */ | |
269 | snd_hdac_codec_write(&hdac->hdac, cvt_nid, 0, | |
270 | AC_VERB_SET_CVT_CHAN_COUNT, frame.channels - 1); | |
271 | ||
272 | ret = hdmi_audio_infoframe_pack(&frame, buffer, sizeof(buffer)); | |
273 | if (ret < 0) | |
274 | return ret; | |
275 | ||
276 | /* stop infoframe transmission */ | |
277 | hdac_hdmi_set_dip_index(hdac, pin_nid, 0x0, 0x0); | |
278 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, | |
279 | AC_VERB_SET_HDMI_DIP_XMIT, AC_DIPXMIT_DISABLE); | |
280 | ||
281 | ||
282 | /* Fill infoframe. Index auto-incremented */ | |
283 | hdac_hdmi_set_dip_index(hdac, pin_nid, 0x0, 0x0); | |
284 | for (i = 0; i < sizeof(frame); i++) | |
285 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, | |
286 | AC_VERB_SET_HDMI_DIP_DATA, dip[i]); | |
287 | ||
288 | /* Start infoframe */ | |
289 | hdac_hdmi_set_dip_index(hdac, pin_nid, 0x0, 0x0); | |
290 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, | |
291 | AC_VERB_SET_HDMI_DIP_XMIT, AC_DIPXMIT_BEST); | |
292 | ||
293 | return 0; | |
294 | } | |
295 | ||
b0362adb SP |
296 | static void hdac_hdmi_set_power_state(struct hdac_ext_device *edev, |
297 | struct hdac_hdmi_dai_pin_map *dai_map, unsigned int pwr_state) | |
298 | { | |
299 | /* Power up pin widget */ | |
15b91447 SP |
300 | if (!snd_hdac_check_power_state(&edev->hdac, dai_map->pin->nid, |
301 | pwr_state)) | |
302 | snd_hdac_codec_write(&edev->hdac, dai_map->pin->nid, 0, | |
b0362adb SP |
303 | AC_VERB_SET_POWER_STATE, pwr_state); |
304 | ||
305 | /* Power up converter */ | |
15b91447 SP |
306 | if (!snd_hdac_check_power_state(&edev->hdac, dai_map->cvt->nid, |
307 | pwr_state)) | |
308 | snd_hdac_codec_write(&edev->hdac, dai_map->cvt->nid, 0, | |
b0362adb SP |
309 | AC_VERB_SET_POWER_STATE, pwr_state); |
310 | } | |
311 | ||
312 | static int hdac_hdmi_playback_prepare(struct snd_pcm_substream *substream, | |
313 | struct snd_soc_dai *dai) | |
314 | { | |
315 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
316 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
317 | struct hdac_hdmi_dai_pin_map *dai_map; | |
318 | struct hdac_ext_dma_params *dd; | |
a657f1d0 | 319 | int ret; |
b0362adb SP |
320 | |
321 | if (dai->id > 0) { | |
322 | dev_err(&hdac->hdac.dev, "Only one dai supported as of now\n"); | |
323 | return -ENODEV; | |
324 | } | |
325 | ||
326 | dai_map = &hdmi->dai_map[dai->id]; | |
327 | ||
328 | dd = (struct hdac_ext_dma_params *)snd_soc_dai_get_dma_data(dai, substream); | |
329 | dev_dbg(&hdac->hdac.dev, "stream tag from cpu dai %d format in cvt 0x%x\n", | |
330 | dd->stream_tag, dd->format); | |
331 | ||
15b91447 SP |
332 | ret = hdac_hdmi_setup_audio_infoframe(hdac, dai_map->cvt->nid, |
333 | dai_map->pin->nid); | |
a657f1d0 SP |
334 | if (ret < 0) |
335 | return ret; | |
336 | ||
15b91447 SP |
337 | return hdac_hdmi_setup_stream(hdac, dai_map->cvt->nid, |
338 | dai_map->pin->nid, dd->stream_tag, dd->format); | |
b0362adb SP |
339 | } |
340 | ||
341 | static int hdac_hdmi_set_hw_params(struct snd_pcm_substream *substream, | |
342 | struct snd_pcm_hw_params *hparams, struct snd_soc_dai *dai) | |
343 | { | |
344 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
345 | struct hdac_ext_dma_params *dd; | |
346 | ||
347 | if (dai->id > 0) { | |
348 | dev_err(&hdac->hdac.dev, "Only one dai supported as of now\n"); | |
349 | return -ENODEV; | |
350 | } | |
351 | ||
352 | dd = kzalloc(sizeof(*dd), GFP_KERNEL); | |
8d33ab24 SM |
353 | if (!dd) |
354 | return -ENOMEM; | |
b0362adb SP |
355 | dd->format = snd_hdac_calc_stream_format(params_rate(hparams), |
356 | params_channels(hparams), params_format(hparams), | |
357 | 24, 0); | |
358 | ||
359 | snd_soc_dai_set_dma_data(dai, substream, (void *)dd); | |
360 | ||
361 | return 0; | |
362 | } | |
363 | ||
364 | static int hdac_hdmi_playback_cleanup(struct snd_pcm_substream *substream, | |
365 | struct snd_soc_dai *dai) | |
366 | { | |
367 | struct hdac_ext_device *edev = snd_soc_dai_get_drvdata(dai); | |
368 | struct hdac_ext_dma_params *dd; | |
369 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
370 | struct hdac_hdmi_dai_pin_map *dai_map; | |
371 | ||
372 | dai_map = &hdmi->dai_map[dai->id]; | |
373 | ||
15b91447 | 374 | snd_hdac_codec_write(&edev->hdac, dai_map->cvt->nid, 0, |
b0362adb | 375 | AC_VERB_SET_CHANNEL_STREAMID, 0); |
15b91447 | 376 | snd_hdac_codec_write(&edev->hdac, dai_map->cvt->nid, 0, |
b0362adb SP |
377 | AC_VERB_SET_STREAM_FORMAT, 0); |
378 | ||
379 | dd = (struct hdac_ext_dma_params *)snd_soc_dai_get_dma_data(dai, substream); | |
380 | snd_soc_dai_set_dma_data(dai, substream, NULL); | |
381 | ||
382 | kfree(dd); | |
383 | ||
384 | return 0; | |
385 | } | |
386 | ||
387 | static int hdac_hdmi_pcm_open(struct snd_pcm_substream *substream, | |
388 | struct snd_soc_dai *dai) | |
389 | { | |
390 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
391 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
392 | struct hdac_hdmi_dai_pin_map *dai_map; | |
2428bca3 | 393 | int ret; |
b0362adb SP |
394 | |
395 | if (dai->id > 0) { | |
396 | dev_err(&hdac->hdac.dev, "Only one dai supported as of now\n"); | |
397 | return -ENODEV; | |
398 | } | |
399 | ||
400 | dai_map = &hdmi->dai_map[dai->id]; | |
401 | ||
b8a54545 SP |
402 | if ((!dai_map->pin->eld.monitor_present) || |
403 | (!dai_map->pin->eld.eld_valid)) { | |
404 | ||
405 | dev_err(&hdac->hdac.dev, | |
406 | "Failed: montior present? %d ELD valid?: %d\n", | |
407 | dai_map->pin->eld.monitor_present, | |
408 | dai_map->pin->eld.eld_valid); | |
b0362adb | 409 | |
b0362adb SP |
410 | return -ENODEV; |
411 | } | |
412 | ||
413 | hdac_hdmi_set_power_state(hdac, dai_map, AC_PWRST_D0); | |
414 | ||
15b91447 | 415 | snd_hdac_codec_write(&hdac->hdac, dai_map->pin->nid, 0, |
b0362adb SP |
416 | AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE); |
417 | ||
2428bca3 SP |
418 | ret = hdac_hdmi_eld_limit_formats(substream->runtime, |
419 | dai_map->pin->eld.eld_buffer); | |
420 | if (ret < 0) | |
421 | return ret; | |
b0362adb | 422 | |
2428bca3 SP |
423 | return snd_pcm_hw_constraint_eld(substream->runtime, |
424 | dai_map->pin->eld.eld_buffer); | |
b0362adb SP |
425 | } |
426 | ||
427 | static void hdac_hdmi_pcm_close(struct snd_pcm_substream *substream, | |
428 | struct snd_soc_dai *dai) | |
429 | { | |
430 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
431 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
432 | struct hdac_hdmi_dai_pin_map *dai_map; | |
433 | ||
434 | dai_map = &hdmi->dai_map[dai->id]; | |
435 | ||
436 | hdac_hdmi_set_power_state(hdac, dai_map, AC_PWRST_D3); | |
437 | ||
15b91447 | 438 | snd_hdac_codec_write(&hdac->hdac, dai_map->pin->nid, 0, |
b0362adb SP |
439 | AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE); |
440 | } | |
441 | ||
18382ead SP |
442 | static int |
443 | hdac_hdmi_query_cvt_params(struct hdac_device *hdac, struct hdac_hdmi_cvt *cvt) | |
444 | { | |
445 | int err; | |
446 | ||
447 | /* Only stereo supported as of now */ | |
448 | cvt->params.channels_min = cvt->params.channels_max = 2; | |
449 | ||
450 | err = snd_hdac_query_supported_pcm(hdac, cvt->nid, | |
451 | &cvt->params.rates, | |
452 | &cvt->params.formats, | |
453 | &cvt->params.maxbps); | |
454 | if (err < 0) | |
455 | dev_err(&hdac->dev, | |
456 | "Failed to query pcm params for nid %d: %d\n", | |
457 | cvt->nid, err); | |
458 | ||
459 | return err; | |
460 | } | |
461 | ||
79f4e922 SP |
462 | static int hdac_hdmi_fill_widget_info(struct device *dev, |
463 | struct snd_soc_dapm_widget *w, | |
464 | enum snd_soc_dapm_type id, void *priv, | |
465 | const char *wname, const char *stream, | |
466 | struct snd_kcontrol_new *wc, int numkc) | |
18382ead SP |
467 | { |
468 | w->id = id; | |
79f4e922 SP |
469 | w->name = devm_kstrdup(dev, wname, GFP_KERNEL); |
470 | if (!w->name) | |
471 | return -ENOMEM; | |
472 | ||
18382ead SP |
473 | w->sname = stream; |
474 | w->reg = SND_SOC_NOPM; | |
475 | w->shift = 0; | |
79f4e922 SP |
476 | w->kcontrol_news = wc; |
477 | w->num_kcontrols = numkc; | |
478 | w->priv = priv; | |
479 | ||
480 | return 0; | |
18382ead SP |
481 | } |
482 | ||
483 | static void hdac_hdmi_fill_route(struct snd_soc_dapm_route *route, | |
79f4e922 SP |
484 | const char *sink, const char *control, const char *src, |
485 | int (*handler)(struct snd_soc_dapm_widget *src, | |
486 | struct snd_soc_dapm_widget *sink)) | |
18382ead SP |
487 | { |
488 | route->sink = sink; | |
489 | route->source = src; | |
490 | route->control = control; | |
79f4e922 | 491 | route->connected = handler; |
18382ead SP |
492 | } |
493 | ||
4a3478de JK |
494 | static struct hdac_hdmi_pcm *hdac_hdmi_get_pcm(struct hdac_ext_device *edev, |
495 | struct hdac_hdmi_pin *pin) | |
496 | { | |
497 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
498 | struct hdac_hdmi_pcm *pcm = NULL; | |
499 | ||
500 | list_for_each_entry(pcm, &hdmi->pcm_list, head) { | |
501 | if (pcm->pin == pin) | |
502 | return pcm; | |
503 | } | |
504 | ||
505 | return NULL; | |
506 | } | |
507 | ||
508 | /* | |
509 | * Based on user selection, map the PINs with the PCMs. | |
510 | */ | |
511 | static int hdac_hdmi_set_pin_mux(struct snd_kcontrol *kcontrol, | |
512 | struct snd_ctl_elem_value *ucontrol) | |
513 | { | |
514 | int ret; | |
515 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
516 | struct snd_soc_dapm_widget *w = snd_soc_dapm_kcontrol_widget(kcontrol); | |
517 | struct snd_soc_dapm_context *dapm = w->dapm; | |
518 | struct hdac_hdmi_pin *pin = w->priv; | |
519 | struct hdac_ext_device *edev = to_hda_ext_device(dapm->dev); | |
520 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
521 | struct hdac_hdmi_pcm *pcm = NULL; | |
522 | const char *cvt_name = e->texts[ucontrol->value.enumerated.item[0]]; | |
523 | ||
524 | ret = snd_soc_dapm_put_enum_double(kcontrol, ucontrol); | |
525 | if (ret < 0) | |
526 | return ret; | |
527 | ||
528 | mutex_lock(&hdmi->pin_mutex); | |
529 | list_for_each_entry(pcm, &hdmi->pcm_list, head) { | |
530 | if (pcm->pin == pin) | |
531 | pcm->pin = NULL; | |
532 | ||
533 | /* | |
534 | * Jack status is not reported during device probe as the | |
535 | * PCMs are not registered by then. So report it here. | |
536 | */ | |
537 | if (!strcmp(cvt_name, pcm->cvt->name) && !pcm->pin) { | |
538 | pcm->pin = pin; | |
539 | if (pin->eld.monitor_present && pin->eld.eld_valid) { | |
540 | dev_dbg(&edev->hdac.dev, | |
541 | "jack report for pcm=%d\n", | |
542 | pcm->pcm_id); | |
543 | ||
544 | snd_jack_report(pcm->jack, SND_JACK_AVOUT); | |
545 | } | |
546 | mutex_unlock(&hdmi->pin_mutex); | |
547 | return ret; | |
548 | } | |
549 | } | |
550 | mutex_unlock(&hdmi->pin_mutex); | |
551 | ||
552 | return ret; | |
553 | } | |
554 | ||
79f4e922 SP |
555 | /* |
556 | * Ideally the Mux inputs should be based on the num_muxs enumerated, but | |
557 | * the display driver seem to be programming the connection list for the pin | |
558 | * widget runtime. | |
559 | * | |
560 | * So programming all the possible inputs for the mux, the user has to take | |
561 | * care of selecting the right one and leaving all other inputs selected to | |
562 | * "NONE" | |
563 | */ | |
564 | static int hdac_hdmi_create_pin_muxs(struct hdac_ext_device *edev, | |
565 | struct hdac_hdmi_pin *pin, | |
566 | struct snd_soc_dapm_widget *widget, | |
567 | const char *widget_name) | |
568 | { | |
569 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
570 | struct snd_kcontrol_new *kc; | |
571 | struct hdac_hdmi_cvt *cvt; | |
572 | struct soc_enum *se; | |
573 | char kc_name[NAME_SIZE]; | |
574 | char mux_items[NAME_SIZE]; | |
575 | /* To hold inputs to the Pin mux */ | |
576 | char *items[HDA_MAX_CONNECTIONS]; | |
577 | int i = 0; | |
578 | int num_items = hdmi->num_cvt + 1; | |
579 | ||
580 | kc = devm_kzalloc(&edev->hdac.dev, sizeof(*kc), GFP_KERNEL); | |
581 | if (!kc) | |
582 | return -ENOMEM; | |
583 | ||
584 | se = devm_kzalloc(&edev->hdac.dev, sizeof(*se), GFP_KERNEL); | |
585 | if (!se) | |
586 | return -ENOMEM; | |
587 | ||
588 | sprintf(kc_name, "Pin %d Input", pin->nid); | |
589 | kc->name = devm_kstrdup(&edev->hdac.dev, kc_name, GFP_KERNEL); | |
590 | if (!kc->name) | |
591 | return -ENOMEM; | |
592 | ||
593 | kc->private_value = (long)se; | |
594 | kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
595 | kc->access = 0; | |
596 | kc->info = snd_soc_info_enum_double; | |
4a3478de | 597 | kc->put = hdac_hdmi_set_pin_mux; |
79f4e922 SP |
598 | kc->get = snd_soc_dapm_get_enum_double; |
599 | ||
600 | se->reg = SND_SOC_NOPM; | |
601 | ||
602 | /* enum texts: ["NONE", "cvt #", "cvt #", ...] */ | |
603 | se->items = num_items; | |
604 | se->mask = roundup_pow_of_two(se->items) - 1; | |
605 | ||
606 | sprintf(mux_items, "NONE"); | |
607 | items[i] = devm_kstrdup(&edev->hdac.dev, mux_items, GFP_KERNEL); | |
608 | if (!items[i]) | |
609 | return -ENOMEM; | |
610 | ||
611 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { | |
612 | i++; | |
613 | sprintf(mux_items, "cvt %d", cvt->nid); | |
614 | items[i] = devm_kstrdup(&edev->hdac.dev, mux_items, GFP_KERNEL); | |
615 | if (!items[i]) | |
616 | return -ENOMEM; | |
617 | } | |
618 | ||
619 | se->texts = devm_kmemdup(&edev->hdac.dev, items, | |
620 | (num_items * sizeof(char *)), GFP_KERNEL); | |
621 | if (!se->texts) | |
622 | return -ENOMEM; | |
623 | ||
624 | return hdac_hdmi_fill_widget_info(&edev->hdac.dev, widget, | |
4a3478de | 625 | snd_soc_dapm_mux, pin, widget_name, NULL, kc, 1); |
79f4e922 SP |
626 | } |
627 | ||
628 | /* Add cvt <- input <- mux route map */ | |
629 | static void hdac_hdmi_add_pinmux_cvt_route(struct hdac_ext_device *edev, | |
630 | struct snd_soc_dapm_widget *widgets, | |
631 | struct snd_soc_dapm_route *route, int rindex) | |
632 | { | |
633 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
634 | const struct snd_kcontrol_new *kc; | |
635 | struct soc_enum *se; | |
636 | int mux_index = hdmi->num_cvt + hdmi->num_pin; | |
637 | int i, j; | |
638 | ||
639 | for (i = 0; i < hdmi->num_pin; i++) { | |
640 | kc = widgets[mux_index].kcontrol_news; | |
641 | se = (struct soc_enum *)kc->private_value; | |
642 | for (j = 0; j < hdmi->num_cvt; j++) { | |
643 | hdac_hdmi_fill_route(&route[rindex], | |
644 | widgets[mux_index].name, | |
645 | se->texts[j + 1], | |
646 | widgets[j].name, NULL); | |
647 | ||
648 | rindex++; | |
649 | } | |
650 | ||
651 | mux_index++; | |
652 | } | |
653 | } | |
654 | ||
655 | /* | |
656 | * Widgets are added in the below sequence | |
657 | * Converter widgets for num converters enumerated | |
658 | * Pin widgets for num pins enumerated | |
659 | * Pin mux widgets to represent connenction list of pin widget | |
660 | * | |
661 | * Total widgets elements = num_cvt + num_pin + num_pin; | |
662 | * | |
663 | * Routes are added as below: | |
664 | * pin mux -> pin (based on num_pins) | |
665 | * cvt -> "Input sel control" -> pin_mux | |
666 | * | |
667 | * Total route elements: | |
668 | * num_pins + (pin_muxes * num_cvt) | |
669 | */ | |
670 | static int create_fill_widget_route_map(struct snd_soc_dapm_context *dapm) | |
18382ead | 671 | { |
79f4e922 SP |
672 | struct snd_soc_dapm_widget *widgets; |
673 | struct snd_soc_dapm_route *route; | |
674 | struct hdac_ext_device *edev = to_hda_ext_device(dapm->dev); | |
675 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
676 | struct snd_soc_dai_driver *dai_drv = dapm->component->dai_drv; | |
677 | char widget_name[NAME_SIZE]; | |
678 | struct hdac_hdmi_cvt *cvt; | |
679 | struct hdac_hdmi_pin *pin; | |
680 | int ret, i = 0, num_routes = 0; | |
18382ead | 681 | |
79f4e922 SP |
682 | if (list_empty(&hdmi->cvt_list) || list_empty(&hdmi->pin_list)) |
683 | return -EINVAL; | |
18382ead | 684 | |
79f4e922 SP |
685 | widgets = devm_kzalloc(dapm->dev, |
686 | (sizeof(*widgets) * ((2 * hdmi->num_pin) + hdmi->num_cvt)), | |
687 | GFP_KERNEL); | |
18382ead | 688 | |
79f4e922 SP |
689 | if (!widgets) |
690 | return -ENOMEM; | |
691 | ||
692 | /* DAPM widgets to represent each converter widget */ | |
693 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { | |
694 | sprintf(widget_name, "Converter %d", cvt->nid); | |
695 | ret = hdac_hdmi_fill_widget_info(dapm->dev, &widgets[i], | |
696 | snd_soc_dapm_aif_in, &cvt->nid, | |
697 | widget_name, dai_drv[i].playback.stream_name, NULL, 0); | |
698 | if (ret < 0) | |
699 | return ret; | |
700 | i++; | |
701 | } | |
702 | ||
703 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
704 | sprintf(widget_name, "hif%d Output", pin->nid); | |
705 | ret = hdac_hdmi_fill_widget_info(dapm->dev, &widgets[i], | |
706 | snd_soc_dapm_output, &pin->nid, | |
707 | widget_name, NULL, NULL, 0); | |
708 | if (ret < 0) | |
709 | return ret; | |
710 | i++; | |
711 | } | |
712 | ||
713 | /* DAPM widgets to represent the connection list to pin widget */ | |
714 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
715 | sprintf(widget_name, "Pin %d Mux", pin->nid); | |
716 | ret = hdac_hdmi_create_pin_muxs(edev, pin, &widgets[i], | |
717 | widget_name); | |
718 | if (ret < 0) | |
719 | return ret; | |
720 | i++; | |
721 | ||
722 | /* For cvt to pin_mux mapping */ | |
723 | num_routes += hdmi->num_cvt; | |
724 | ||
725 | /* For pin_mux to pin mapping */ | |
726 | num_routes++; | |
727 | } | |
728 | ||
729 | route = devm_kzalloc(dapm->dev, (sizeof(*route) * num_routes), | |
730 | GFP_KERNEL); | |
731 | if (!route) | |
732 | return -ENOMEM; | |
733 | ||
734 | i = 0; | |
735 | /* Add pin <- NULL <- mux route map */ | |
736 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
737 | int sink_index = i + hdmi->num_cvt; | |
738 | int src_index = sink_index + hdmi->num_pin; | |
739 | ||
740 | hdac_hdmi_fill_route(&route[i], | |
741 | widgets[sink_index].name, NULL, | |
742 | widgets[src_index].name, NULL); | |
743 | i++; | |
744 | ||
745 | } | |
746 | ||
747 | hdac_hdmi_add_pinmux_cvt_route(edev, widgets, route, i); | |
748 | ||
749 | snd_soc_dapm_new_controls(dapm, widgets, | |
750 | ((2 * hdmi->num_pin) + hdmi->num_cvt)); | |
751 | ||
752 | snd_soc_dapm_add_routes(dapm, route, num_routes); | |
753 | snd_soc_dapm_new_widgets(dapm->card); | |
754 | ||
755 | return 0; | |
18382ead | 756 | |
18382ead SP |
757 | } |
758 | ||
15b91447 | 759 | static int hdac_hdmi_init_dai_map(struct hdac_ext_device *edev) |
18382ead | 760 | { |
15b91447 SP |
761 | struct hdac_hdmi_priv *hdmi = edev->private_data; |
762 | struct hdac_hdmi_dai_pin_map *dai_map = &hdmi->dai_map[0]; | |
763 | struct hdac_hdmi_cvt *cvt; | |
764 | struct hdac_hdmi_pin *pin; | |
18382ead | 765 | |
15b91447 SP |
766 | if (list_empty(&hdmi->cvt_list) || list_empty(&hdmi->pin_list)) |
767 | return -EINVAL; | |
18382ead | 768 | |
15b91447 SP |
769 | /* |
770 | * Currently on board only 1 pin and 1 converter is enabled for | |
771 | * simplification, more will be added eventually | |
772 | * So using fixed map for dai_id:pin:cvt | |
773 | */ | |
774 | cvt = list_first_entry(&hdmi->cvt_list, struct hdac_hdmi_cvt, head); | |
775 | pin = list_first_entry(&hdmi->pin_list, struct hdac_hdmi_pin, head); | |
776 | ||
777 | dai_map->dai_id = 0; | |
778 | dai_map->pin = pin; | |
18382ead | 779 | |
15b91447 | 780 | dai_map->cvt = cvt; |
18382ead SP |
781 | |
782 | /* Enable out path for this pin widget */ | |
15b91447 | 783 | snd_hdac_codec_write(&edev->hdac, pin->nid, 0, |
18382ead SP |
784 | AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); |
785 | ||
786 | /* Enable transmission */ | |
15b91447 | 787 | snd_hdac_codec_write(&edev->hdac, cvt->nid, 0, |
18382ead SP |
788 | AC_VERB_SET_DIGI_CONVERT_1, 1); |
789 | ||
790 | /* Category Code (CC) to zero */ | |
15b91447 | 791 | snd_hdac_codec_write(&edev->hdac, cvt->nid, 0, |
18382ead SP |
792 | AC_VERB_SET_DIGI_CONVERT_2, 0); |
793 | ||
15b91447 | 794 | snd_hdac_codec_write(&edev->hdac, pin->nid, 0, |
18382ead SP |
795 | AC_VERB_SET_CONNECT_SEL, 0); |
796 | ||
15b91447 SP |
797 | return 0; |
798 | } | |
799 | ||
800 | static int hdac_hdmi_add_cvt(struct hdac_ext_device *edev, hda_nid_t nid) | |
801 | { | |
802 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
803 | struct hdac_hdmi_cvt *cvt; | |
4a3478de | 804 | char name[NAME_SIZE]; |
15b91447 SP |
805 | |
806 | cvt = kzalloc(sizeof(*cvt), GFP_KERNEL); | |
807 | if (!cvt) | |
808 | return -ENOMEM; | |
809 | ||
810 | cvt->nid = nid; | |
4a3478de JK |
811 | sprintf(name, "cvt %d", cvt->nid); |
812 | cvt->name = kstrdup(name, GFP_KERNEL); | |
15b91447 SP |
813 | |
814 | list_add_tail(&cvt->head, &hdmi->cvt_list); | |
815 | hdmi->num_cvt++; | |
816 | ||
817 | return hdac_hdmi_query_cvt_params(&edev->hdac, cvt); | |
818 | } | |
819 | ||
b8a54545 SP |
820 | static void hdac_hdmi_present_sense(struct hdac_hdmi_pin *pin, int repoll) |
821 | { | |
822 | struct hdac_ext_device *edev = pin->edev; | |
4a3478de JK |
823 | struct hdac_hdmi_priv *hdmi = edev->private_data; |
824 | struct hdac_hdmi_pcm *pcm; | |
b8a54545 SP |
825 | int val; |
826 | ||
827 | if (!edev) | |
828 | return; | |
829 | ||
830 | pin->repoll_count = repoll; | |
831 | ||
832 | pm_runtime_get_sync(&edev->hdac.dev); | |
833 | val = snd_hdac_codec_read(&edev->hdac, pin->nid, 0, | |
834 | AC_VERB_GET_PIN_SENSE, 0); | |
835 | ||
836 | dev_dbg(&edev->hdac.dev, "Pin sense val %x for pin: %d\n", | |
837 | val, pin->nid); | |
838 | ||
4a3478de JK |
839 | |
840 | mutex_lock(&hdmi->pin_mutex); | |
b8a54545 SP |
841 | pin->eld.monitor_present = !!(val & AC_PINSENSE_PRESENCE); |
842 | pin->eld.eld_valid = !!(val & AC_PINSENSE_ELDV); | |
843 | ||
4a3478de JK |
844 | pcm = hdac_hdmi_get_pcm(edev, pin); |
845 | ||
b8a54545 SP |
846 | if (!pin->eld.monitor_present || !pin->eld.eld_valid) { |
847 | ||
848 | dev_dbg(&edev->hdac.dev, "%s: disconnect for pin %d\n", | |
849 | __func__, pin->nid); | |
4a3478de JK |
850 | |
851 | /* | |
852 | * PCMs are not registered during device probe, so don't | |
853 | * report jack here. It will be done in usermode mux | |
854 | * control select. | |
855 | */ | |
856 | if (pcm) { | |
857 | dev_dbg(&edev->hdac.dev, | |
858 | "jack report for pcm=%d\n", pcm->pcm_id); | |
859 | ||
860 | snd_jack_report(pcm->jack, 0); | |
861 | } | |
862 | ||
863 | mutex_unlock(&hdmi->pin_mutex); | |
b8a54545 SP |
864 | goto put_hdac_device; |
865 | } | |
866 | ||
867 | if (pin->eld.monitor_present && pin->eld.eld_valid) { | |
868 | /* TODO: use i915 component for reading ELD later */ | |
869 | if (hdac_hdmi_get_eld(&edev->hdac, pin->nid, | |
870 | pin->eld.eld_buffer, | |
871 | &pin->eld.eld_size) == 0) { | |
872 | ||
4a3478de JK |
873 | if (pcm) { |
874 | dev_dbg(&edev->hdac.dev, | |
875 | "jack report for pcm=%d\n", | |
876 | pcm->pcm_id); | |
877 | ||
878 | snd_jack_report(pcm->jack, SND_JACK_AVOUT); | |
879 | } | |
880 | ||
b8a54545 SP |
881 | print_hex_dump_bytes("ELD: ", DUMP_PREFIX_OFFSET, |
882 | pin->eld.eld_buffer, pin->eld.eld_size); | |
883 | } else { | |
884 | pin->eld.monitor_present = false; | |
885 | pin->eld.eld_valid = false; | |
4a3478de JK |
886 | |
887 | if (pcm) { | |
888 | dev_dbg(&edev->hdac.dev, | |
889 | "jack report for pcm=%d\n", | |
890 | pcm->pcm_id); | |
891 | ||
892 | snd_jack_report(pcm->jack, 0); | |
893 | } | |
b8a54545 SP |
894 | } |
895 | } | |
896 | ||
4a3478de JK |
897 | mutex_unlock(&hdmi->pin_mutex); |
898 | ||
b8a54545 SP |
899 | /* |
900 | * Sometimes the pin_sense may present invalid monitor | |
901 | * present and eld_valid. If ELD data is not valid, loop few | |
902 | * more times to get correct pin sense and valid ELD. | |
903 | */ | |
904 | if ((!pin->eld.monitor_present || !pin->eld.eld_valid) && repoll) | |
905 | schedule_delayed_work(&pin->work, msecs_to_jiffies(300)); | |
906 | ||
907 | put_hdac_device: | |
908 | pm_runtime_put_sync(&edev->hdac.dev); | |
909 | } | |
910 | ||
911 | static void hdac_hdmi_repoll_eld(struct work_struct *work) | |
912 | { | |
913 | struct hdac_hdmi_pin *pin = | |
914 | container_of(to_delayed_work(work), struct hdac_hdmi_pin, work); | |
915 | ||
916 | /* picked from legacy HDA driver */ | |
917 | if (pin->repoll_count++ > 6) | |
918 | pin->repoll_count = 0; | |
919 | ||
920 | hdac_hdmi_present_sense(pin, pin->repoll_count); | |
921 | } | |
922 | ||
15b91447 SP |
923 | static int hdac_hdmi_add_pin(struct hdac_ext_device *edev, hda_nid_t nid) |
924 | { | |
925 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
926 | struct hdac_hdmi_pin *pin; | |
927 | ||
928 | pin = kzalloc(sizeof(*pin), GFP_KERNEL); | |
929 | if (!pin) | |
930 | return -ENOMEM; | |
931 | ||
932 | pin->nid = nid; | |
933 | ||
934 | list_add_tail(&pin->head, &hdmi->pin_list); | |
935 | hdmi->num_pin++; | |
936 | ||
b8a54545 SP |
937 | pin->edev = edev; |
938 | INIT_DELAYED_WORK(&pin->work, hdac_hdmi_repoll_eld); | |
939 | ||
15b91447 | 940 | return 0; |
18382ead SP |
941 | } |
942 | ||
211caab7 SP |
943 | #define INTEL_VENDOR_NID 0x08 |
944 | #define INTEL_GET_VENDOR_VERB 0xf81 | |
945 | #define INTEL_SET_VENDOR_VERB 0x781 | |
946 | #define INTEL_EN_DP12 0x02 /* enable DP 1.2 features */ | |
947 | #define INTEL_EN_ALL_PIN_CVTS 0x01 /* enable 2nd & 3rd pins and convertors */ | |
948 | ||
949 | static void hdac_hdmi_skl_enable_all_pins(struct hdac_device *hdac) | |
950 | { | |
951 | unsigned int vendor_param; | |
952 | ||
953 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
954 | INTEL_GET_VENDOR_VERB, 0); | |
955 | if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS) | |
956 | return; | |
957 | ||
958 | vendor_param |= INTEL_EN_ALL_PIN_CVTS; | |
959 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
960 | INTEL_SET_VENDOR_VERB, vendor_param); | |
961 | if (vendor_param == -1) | |
962 | return; | |
963 | } | |
964 | ||
965 | static void hdac_hdmi_skl_enable_dp12(struct hdac_device *hdac) | |
966 | { | |
967 | unsigned int vendor_param; | |
968 | ||
969 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
970 | INTEL_GET_VENDOR_VERB, 0); | |
971 | if (vendor_param == -1 || vendor_param & INTEL_EN_DP12) | |
972 | return; | |
973 | ||
974 | /* enable DP1.2 mode */ | |
975 | vendor_param |= INTEL_EN_DP12; | |
976 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
977 | INTEL_SET_VENDOR_VERB, vendor_param); | |
978 | if (vendor_param == -1) | |
979 | return; | |
980 | ||
981 | } | |
982 | ||
17a42c45 SP |
983 | static struct snd_soc_dai_ops hdmi_dai_ops = { |
984 | .startup = hdac_hdmi_pcm_open, | |
985 | .shutdown = hdac_hdmi_pcm_close, | |
986 | .hw_params = hdac_hdmi_set_hw_params, | |
987 | .prepare = hdac_hdmi_playback_prepare, | |
988 | .hw_free = hdac_hdmi_playback_cleanup, | |
989 | }; | |
990 | ||
991 | /* | |
992 | * Each converter can support a stream independently. So a dai is created | |
993 | * based on the number of converter queried. | |
994 | */ | |
995 | static int hdac_hdmi_create_dais(struct hdac_device *hdac, | |
996 | struct snd_soc_dai_driver **dais, | |
997 | struct hdac_hdmi_priv *hdmi, int num_dais) | |
998 | { | |
999 | struct snd_soc_dai_driver *hdmi_dais; | |
1000 | struct hdac_hdmi_cvt *cvt; | |
1001 | char name[NAME_SIZE], dai_name[NAME_SIZE]; | |
1002 | int i = 0; | |
1003 | u32 rates, bps; | |
1004 | unsigned int rate_max = 384000, rate_min = 8000; | |
1005 | u64 formats; | |
1006 | int ret; | |
1007 | ||
1008 | hdmi_dais = devm_kzalloc(&hdac->dev, | |
1009 | (sizeof(*hdmi_dais) * num_dais), | |
1010 | GFP_KERNEL); | |
1011 | if (!hdmi_dais) | |
1012 | return -ENOMEM; | |
1013 | ||
1014 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { | |
1015 | ret = snd_hdac_query_supported_pcm(hdac, cvt->nid, | |
1016 | &rates, &formats, &bps); | |
1017 | if (ret) | |
1018 | return ret; | |
1019 | ||
1020 | sprintf(dai_name, "intel-hdmi-hifi%d", i+1); | |
1021 | hdmi_dais[i].name = devm_kstrdup(&hdac->dev, | |
1022 | dai_name, GFP_KERNEL); | |
1023 | ||
1024 | if (!hdmi_dais[i].name) | |
1025 | return -ENOMEM; | |
1026 | ||
1027 | snprintf(name, sizeof(name), "hifi%d", i+1); | |
1028 | hdmi_dais[i].playback.stream_name = | |
1029 | devm_kstrdup(&hdac->dev, name, GFP_KERNEL); | |
1030 | if (!hdmi_dais[i].playback.stream_name) | |
1031 | return -ENOMEM; | |
1032 | ||
1033 | /* | |
1034 | * Set caps based on capability queried from the converter. | |
1035 | * It will be constrained runtime based on ELD queried. | |
1036 | */ | |
1037 | hdmi_dais[i].playback.formats = formats; | |
1038 | hdmi_dais[i].playback.rates = rates; | |
1039 | hdmi_dais[i].playback.rate_max = rate_max; | |
1040 | hdmi_dais[i].playback.rate_min = rate_min; | |
1041 | hdmi_dais[i].playback.channels_min = 2; | |
1042 | hdmi_dais[i].playback.channels_max = 2; | |
1043 | hdmi_dais[i].ops = &hdmi_dai_ops; | |
1044 | ||
1045 | i++; | |
1046 | } | |
1047 | ||
1048 | *dais = hdmi_dais; | |
1049 | ||
1050 | return 0; | |
1051 | } | |
1052 | ||
18382ead SP |
1053 | /* |
1054 | * Parse all nodes and store the cvt/pin nids in array | |
1055 | * Add one time initialization for pin and cvt widgets | |
1056 | */ | |
17a42c45 SP |
1057 | static int hdac_hdmi_parse_and_map_nid(struct hdac_ext_device *edev, |
1058 | struct snd_soc_dai_driver **dais, int *num_dais) | |
18382ead SP |
1059 | { |
1060 | hda_nid_t nid; | |
3c83ac23 | 1061 | int i, num_nodes; |
18382ead SP |
1062 | struct hdac_device *hdac = &edev->hdac; |
1063 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
15b91447 | 1064 | int ret; |
18382ead | 1065 | |
211caab7 SP |
1066 | hdac_hdmi_skl_enable_all_pins(hdac); |
1067 | hdac_hdmi_skl_enable_dp12(hdac); | |
1068 | ||
3c83ac23 | 1069 | num_nodes = snd_hdac_get_sub_nodes(hdac, hdac->afg, &nid); |
541140d4 | 1070 | if (!nid || num_nodes <= 0) { |
18382ead SP |
1071 | dev_warn(&hdac->dev, "HDMI: failed to get afg sub nodes\n"); |
1072 | return -EINVAL; | |
1073 | } | |
1074 | ||
3c83ac23 | 1075 | hdac->num_nodes = num_nodes; |
18382ead SP |
1076 | hdac->start_nid = nid; |
1077 | ||
1078 | for (i = 0; i < hdac->num_nodes; i++, nid++) { | |
1079 | unsigned int caps; | |
1080 | unsigned int type; | |
1081 | ||
1082 | caps = get_wcaps(hdac, nid); | |
1083 | type = get_wcaps_type(caps); | |
1084 | ||
1085 | if (!(caps & AC_WCAP_DIGITAL)) | |
1086 | continue; | |
1087 | ||
1088 | switch (type) { | |
1089 | ||
1090 | case AC_WID_AUD_OUT: | |
15b91447 SP |
1091 | ret = hdac_hdmi_add_cvt(edev, nid); |
1092 | if (ret < 0) | |
1093 | return ret; | |
18382ead SP |
1094 | break; |
1095 | ||
1096 | case AC_WID_PIN: | |
15b91447 SP |
1097 | ret = hdac_hdmi_add_pin(edev, nid); |
1098 | if (ret < 0) | |
1099 | return ret; | |
18382ead SP |
1100 | break; |
1101 | } | |
1102 | } | |
1103 | ||
1104 | hdac->end_nid = nid; | |
1105 | ||
15b91447 | 1106 | if (!hdmi->num_pin || !hdmi->num_cvt) |
18382ead SP |
1107 | return -EIO; |
1108 | ||
17a42c45 SP |
1109 | ret = hdac_hdmi_create_dais(hdac, dais, hdmi, hdmi->num_cvt); |
1110 | if (ret) { | |
1111 | dev_err(&hdac->dev, "Failed to create dais with err: %d\n", | |
1112 | ret); | |
1113 | return ret; | |
1114 | } | |
1115 | ||
1116 | *num_dais = hdmi->num_cvt; | |
1117 | ||
15b91447 | 1118 | return hdac_hdmi_init_dai_map(edev); |
18382ead SP |
1119 | } |
1120 | ||
b8a54545 SP |
1121 | static void hdac_hdmi_eld_notify_cb(void *aptr, int port) |
1122 | { | |
1123 | struct hdac_ext_device *edev = aptr; | |
1124 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1125 | struct hdac_hdmi_pin *pin; | |
1126 | struct snd_soc_codec *codec = edev->scodec; | |
1127 | ||
1128 | /* Don't know how this mapping is derived */ | |
1129 | hda_nid_t pin_nid = port + 0x04; | |
1130 | ||
1131 | dev_dbg(&edev->hdac.dev, "%s: for pin: %d\n", __func__, pin_nid); | |
1132 | ||
1133 | /* | |
1134 | * skip notification during system suspend (but not in runtime PM); | |
1135 | * the state will be updated at resume. Also since the ELD and | |
1136 | * connection states are updated in anyway at the end of the resume, | |
1137 | * we can skip it when received during PM process. | |
1138 | */ | |
1139 | if (snd_power_get_state(codec->component.card->snd_card) != | |
1140 | SNDRV_CTL_POWER_D0) | |
1141 | return; | |
1142 | ||
1143 | if (atomic_read(&edev->hdac.in_pm)) | |
1144 | return; | |
1145 | ||
1146 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
1147 | if (pin->nid == pin_nid) | |
1148 | hdac_hdmi_present_sense(pin, 1); | |
1149 | } | |
1150 | } | |
1151 | ||
1152 | static struct i915_audio_component_audio_ops aops = { | |
1153 | .pin_eld_notify = hdac_hdmi_eld_notify_cb, | |
1154 | }; | |
1155 | ||
4a3478de JK |
1156 | int hdac_hdmi_jack_init(struct snd_soc_dai *dai, int device) |
1157 | { | |
1158 | char jack_name[NAME_SIZE]; | |
1159 | struct snd_soc_codec *codec = dai->codec; | |
1160 | struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); | |
1161 | struct snd_soc_dapm_context *dapm = | |
1162 | snd_soc_component_get_dapm(&codec->component); | |
1163 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1164 | struct hdac_hdmi_pcm *pcm; | |
1165 | ||
1166 | /* | |
1167 | * this is a new PCM device, create new pcm and | |
1168 | * add to the pcm list | |
1169 | */ | |
1170 | pcm = kzalloc(sizeof(*pcm), GFP_KERNEL); | |
1171 | if (!pcm) | |
1172 | return -ENOMEM; | |
1173 | pcm->pcm_id = device; | |
1174 | pcm->cvt = hdmi->dai_map[dai->id].cvt; | |
1175 | ||
1176 | list_add_tail(&pcm->head, &hdmi->pcm_list); | |
1177 | ||
1178 | sprintf(jack_name, "HDMI/DP, pcm=%d Jack", device); | |
1179 | ||
1180 | return snd_jack_new(dapm->card->snd_card, jack_name, | |
1181 | SND_JACK_AVOUT, &pcm->jack, true, false); | |
1182 | } | |
1183 | EXPORT_SYMBOL_GPL(hdac_hdmi_jack_init); | |
1184 | ||
18382ead SP |
1185 | static int hdmi_codec_probe(struct snd_soc_codec *codec) |
1186 | { | |
1187 | struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); | |
1188 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1189 | struct snd_soc_dapm_context *dapm = | |
1190 | snd_soc_component_get_dapm(&codec->component); | |
b8a54545 SP |
1191 | struct hdac_hdmi_pin *pin; |
1192 | int ret; | |
18382ead SP |
1193 | |
1194 | edev->scodec = codec; | |
1195 | ||
79f4e922 SP |
1196 | ret = create_fill_widget_route_map(dapm); |
1197 | if (ret < 0) | |
1198 | return ret; | |
18382ead | 1199 | |
b8a54545 SP |
1200 | aops.audio_ptr = edev; |
1201 | ret = snd_hdac_i915_register_notifier(&aops); | |
1202 | if (ret < 0) { | |
1203 | dev_err(&edev->hdac.dev, "notifier register failed: err: %d\n", | |
1204 | ret); | |
1205 | return ret; | |
1206 | } | |
1207 | ||
1208 | list_for_each_entry(pin, &hdmi->pin_list, head) | |
1209 | hdac_hdmi_present_sense(pin, 1); | |
1210 | ||
18382ead SP |
1211 | /* Imp: Store the card pointer in hda_codec */ |
1212 | edev->card = dapm->card->snd_card; | |
1213 | ||
e342ac08 SP |
1214 | /* |
1215 | * hdac_device core already sets the state to active and calls | |
1216 | * get_noresume. So enable runtime and set the device to suspend. | |
1217 | */ | |
1218 | pm_runtime_enable(&edev->hdac.dev); | |
1219 | pm_runtime_put(&edev->hdac.dev); | |
1220 | pm_runtime_suspend(&edev->hdac.dev); | |
1221 | ||
1222 | return 0; | |
1223 | } | |
1224 | ||
1225 | static int hdmi_codec_remove(struct snd_soc_codec *codec) | |
1226 | { | |
1227 | struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); | |
1228 | ||
1229 | pm_runtime_disable(&edev->hdac.dev); | |
18382ead SP |
1230 | return 0; |
1231 | } | |
1232 | ||
1233 | static struct snd_soc_codec_driver hdmi_hda_codec = { | |
1234 | .probe = hdmi_codec_probe, | |
e342ac08 | 1235 | .remove = hdmi_codec_remove, |
18382ead SP |
1236 | .idle_bias_off = true, |
1237 | }; | |
1238 | ||
18382ead SP |
1239 | static int hdac_hdmi_dev_probe(struct hdac_ext_device *edev) |
1240 | { | |
1241 | struct hdac_device *codec = &edev->hdac; | |
1242 | struct hdac_hdmi_priv *hdmi_priv; | |
17a42c45 SP |
1243 | struct snd_soc_dai_driver *hdmi_dais = NULL; |
1244 | int num_dais = 0; | |
18382ead SP |
1245 | int ret = 0; |
1246 | ||
1247 | hdmi_priv = devm_kzalloc(&codec->dev, sizeof(*hdmi_priv), GFP_KERNEL); | |
1248 | if (hdmi_priv == NULL) | |
1249 | return -ENOMEM; | |
1250 | ||
1251 | edev->private_data = hdmi_priv; | |
1252 | ||
1253 | dev_set_drvdata(&codec->dev, edev); | |
1254 | ||
15b91447 SP |
1255 | INIT_LIST_HEAD(&hdmi_priv->pin_list); |
1256 | INIT_LIST_HEAD(&hdmi_priv->cvt_list); | |
4a3478de JK |
1257 | INIT_LIST_HEAD(&hdmi_priv->pcm_list); |
1258 | mutex_init(&hdmi_priv->pin_mutex); | |
15b91447 | 1259 | |
17a42c45 SP |
1260 | ret = hdac_hdmi_parse_and_map_nid(edev, &hdmi_dais, &num_dais); |
1261 | if (ret < 0) { | |
1262 | dev_err(&codec->dev, | |
1263 | "Failed in parse and map nid with err: %d\n", ret); | |
18382ead | 1264 | return ret; |
17a42c45 | 1265 | } |
18382ead SP |
1266 | |
1267 | /* ASoC specific initialization */ | |
1268 | return snd_soc_register_codec(&codec->dev, &hdmi_hda_codec, | |
17a42c45 | 1269 | hdmi_dais, num_dais); |
18382ead SP |
1270 | } |
1271 | ||
1272 | static int hdac_hdmi_dev_remove(struct hdac_ext_device *edev) | |
1273 | { | |
15b91447 SP |
1274 | struct hdac_hdmi_priv *hdmi = edev->private_data; |
1275 | struct hdac_hdmi_pin *pin, *pin_next; | |
1276 | struct hdac_hdmi_cvt *cvt, *cvt_next; | |
4a3478de | 1277 | struct hdac_hdmi_pcm *pcm, *pcm_next; |
15b91447 | 1278 | |
18382ead SP |
1279 | snd_soc_unregister_codec(&edev->hdac.dev); |
1280 | ||
4a3478de JK |
1281 | list_for_each_entry_safe(pcm, pcm_next, &hdmi->pcm_list, head) { |
1282 | pcm->cvt = NULL; | |
1283 | pcm->pin = NULL; | |
1284 | list_del(&pcm->head); | |
1285 | kfree(pcm); | |
1286 | } | |
1287 | ||
15b91447 SP |
1288 | list_for_each_entry_safe(cvt, cvt_next, &hdmi->cvt_list, head) { |
1289 | list_del(&cvt->head); | |
4a3478de | 1290 | kfree(cvt->name); |
15b91447 SP |
1291 | kfree(cvt); |
1292 | } | |
1293 | ||
1294 | list_for_each_entry_safe(pin, pin_next, &hdmi->pin_list, head) { | |
1295 | list_del(&pin->head); | |
1296 | kfree(pin); | |
1297 | } | |
1298 | ||
18382ead SP |
1299 | return 0; |
1300 | } | |
1301 | ||
e342ac08 SP |
1302 | #ifdef CONFIG_PM |
1303 | static int hdac_hdmi_runtime_suspend(struct device *dev) | |
1304 | { | |
1305 | struct hdac_ext_device *edev = to_hda_ext_device(dev); | |
1306 | struct hdac_device *hdac = &edev->hdac; | |
07f083ab SP |
1307 | struct hdac_bus *bus = hdac->bus; |
1308 | int err; | |
e342ac08 SP |
1309 | |
1310 | dev_dbg(dev, "Enter: %s\n", __func__); | |
1311 | ||
07f083ab SP |
1312 | /* controller may not have been initialized for the first time */ |
1313 | if (!bus) | |
1314 | return 0; | |
1315 | ||
e342ac08 SP |
1316 | /* Power down afg */ |
1317 | if (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D3)) | |
1318 | snd_hdac_codec_write(hdac, hdac->afg, 0, | |
1319 | AC_VERB_SET_POWER_STATE, AC_PWRST_D3); | |
1320 | ||
07f083ab SP |
1321 | err = snd_hdac_display_power(bus, false); |
1322 | if (err < 0) { | |
1323 | dev_err(bus->dev, "Cannot turn on display power on i915\n"); | |
1324 | return err; | |
1325 | } | |
1326 | ||
e342ac08 SP |
1327 | return 0; |
1328 | } | |
1329 | ||
1330 | static int hdac_hdmi_runtime_resume(struct device *dev) | |
1331 | { | |
1332 | struct hdac_ext_device *edev = to_hda_ext_device(dev); | |
1333 | struct hdac_device *hdac = &edev->hdac; | |
07f083ab SP |
1334 | struct hdac_bus *bus = hdac->bus; |
1335 | int err; | |
e342ac08 SP |
1336 | |
1337 | dev_dbg(dev, "Enter: %s\n", __func__); | |
1338 | ||
07f083ab SP |
1339 | /* controller may not have been initialized for the first time */ |
1340 | if (!bus) | |
1341 | return 0; | |
1342 | ||
1343 | err = snd_hdac_display_power(bus, true); | |
1344 | if (err < 0) { | |
1345 | dev_err(bus->dev, "Cannot turn on display power on i915\n"); | |
1346 | return err; | |
1347 | } | |
1348 | ||
e342ac08 SP |
1349 | /* Power up afg */ |
1350 | if (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D0)) | |
1351 | snd_hdac_codec_write(hdac, hdac->afg, 0, | |
1352 | AC_VERB_SET_POWER_STATE, AC_PWRST_D0); | |
1353 | ||
1354 | return 0; | |
1355 | } | |
1356 | #else | |
1357 | #define hdac_hdmi_runtime_suspend NULL | |
1358 | #define hdac_hdmi_runtime_resume NULL | |
1359 | #endif | |
1360 | ||
1361 | static const struct dev_pm_ops hdac_hdmi_pm = { | |
1362 | SET_RUNTIME_PM_OPS(hdac_hdmi_runtime_suspend, hdac_hdmi_runtime_resume, NULL) | |
1363 | }; | |
1364 | ||
18382ead SP |
1365 | static const struct hda_device_id hdmi_list[] = { |
1366 | HDA_CODEC_EXT_ENTRY(0x80862809, 0x100000, "Skylake HDMI", 0), | |
1367 | {} | |
1368 | }; | |
1369 | ||
1370 | MODULE_DEVICE_TABLE(hdaudio, hdmi_list); | |
1371 | ||
1372 | static struct hdac_ext_driver hdmi_driver = { | |
1373 | . hdac = { | |
1374 | .driver = { | |
1375 | .name = "HDMI HDA Codec", | |
e342ac08 | 1376 | .pm = &hdac_hdmi_pm, |
18382ead SP |
1377 | }, |
1378 | .id_table = hdmi_list, | |
1379 | }, | |
1380 | .probe = hdac_hdmi_dev_probe, | |
1381 | .remove = hdac_hdmi_dev_remove, | |
1382 | }; | |
1383 | ||
1384 | static int __init hdmi_init(void) | |
1385 | { | |
1386 | return snd_hda_ext_driver_register(&hdmi_driver); | |
1387 | } | |
1388 | ||
1389 | static void __exit hdmi_exit(void) | |
1390 | { | |
1391 | snd_hda_ext_driver_unregister(&hdmi_driver); | |
1392 | } | |
1393 | ||
1394 | module_init(hdmi_init); | |
1395 | module_exit(hdmi_exit); | |
1396 | ||
1397 | MODULE_LICENSE("GPL v2"); | |
1398 | MODULE_DESCRIPTION("HDMI HD codec"); | |
1399 | MODULE_AUTHOR("Samreen Nilofer<samreen.nilofer@intel.com>"); | |
1400 | MODULE_AUTHOR("Subhransu S. Prusty<subhransu.s.prusty@intel.com>"); |