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> |
bcced704 | 32 | #include <sound/hda_chmap.h> |
18382ead | 33 | #include "../../hda/local.h" |
4a3478de | 34 | #include "hdac_hdmi.h" |
18382ead | 35 | |
17a42c45 SP |
36 | #define NAME_SIZE 32 |
37 | ||
b0362adb SP |
38 | #define AMP_OUT_MUTE 0xb080 |
39 | #define AMP_OUT_UNMUTE 0xb000 | |
18382ead | 40 | #define PIN_OUT (AC_PINCTL_OUT_EN) |
b0362adb | 41 | |
18382ead SP |
42 | #define HDA_MAX_CONNECTIONS 32 |
43 | ||
148569fd SP |
44 | #define HDA_MAX_CVTS 3 |
45 | ||
b8a54545 SP |
46 | #define ELD_MAX_SIZE 256 |
47 | #define ELD_FIXED_BYTES 20 | |
48 | ||
18382ead SP |
49 | struct hdac_hdmi_cvt_params { |
50 | unsigned int channels_min; | |
51 | unsigned int channels_max; | |
52 | u32 rates; | |
53 | u64 formats; | |
54 | unsigned int maxbps; | |
55 | }; | |
56 | ||
57 | struct hdac_hdmi_cvt { | |
15b91447 | 58 | struct list_head head; |
18382ead | 59 | hda_nid_t nid; |
4a3478de | 60 | const char *name; |
18382ead SP |
61 | struct hdac_hdmi_cvt_params params; |
62 | }; | |
63 | ||
b7756ede SP |
64 | /* Currently only spk_alloc, more to be added */ |
65 | struct hdac_hdmi_parsed_eld { | |
66 | u8 spk_alloc; | |
67 | }; | |
68 | ||
b8a54545 SP |
69 | struct hdac_hdmi_eld { |
70 | bool monitor_present; | |
71 | bool eld_valid; | |
72 | int eld_size; | |
73 | char eld_buffer[ELD_MAX_SIZE]; | |
b7756ede | 74 | struct hdac_hdmi_parsed_eld info; |
b8a54545 SP |
75 | }; |
76 | ||
18382ead | 77 | struct hdac_hdmi_pin { |
15b91447 | 78 | struct list_head head; |
18382ead SP |
79 | hda_nid_t nid; |
80 | int num_mux_nids; | |
81 | hda_nid_t mux_nids[HDA_MAX_CONNECTIONS]; | |
b8a54545 SP |
82 | struct hdac_hdmi_eld eld; |
83 | struct hdac_ext_device *edev; | |
84 | int repoll_count; | |
85 | struct delayed_work work; | |
bcced704 SP |
86 | struct mutex lock; |
87 | bool chmap_set; | |
88 | unsigned char chmap[8]; /* ALSA API channel-map */ | |
89 | int channels; /* current number of channels */ | |
18382ead SP |
90 | }; |
91 | ||
4a3478de JK |
92 | struct hdac_hdmi_pcm { |
93 | struct list_head head; | |
94 | int pcm_id; | |
95 | struct hdac_hdmi_pin *pin; | |
96 | struct hdac_hdmi_cvt *cvt; | |
97 | struct snd_jack *jack; | |
98 | }; | |
99 | ||
18382ead SP |
100 | struct hdac_hdmi_dai_pin_map { |
101 | int dai_id; | |
15b91447 SP |
102 | struct hdac_hdmi_pin *pin; |
103 | struct hdac_hdmi_cvt *cvt; | |
18382ead SP |
104 | }; |
105 | ||
106 | struct hdac_hdmi_priv { | |
148569fd | 107 | struct hdac_hdmi_dai_pin_map dai_map[HDA_MAX_CVTS]; |
15b91447 SP |
108 | struct list_head pin_list; |
109 | struct list_head cvt_list; | |
4a3478de | 110 | struct list_head pcm_list; |
15b91447 SP |
111 | int num_pin; |
112 | int num_cvt; | |
4a3478de | 113 | struct mutex pin_mutex; |
bcced704 | 114 | struct hdac_chmap chmap; |
18382ead SP |
115 | }; |
116 | ||
2889099e SP |
117 | static struct hdac_hdmi_pcm *get_hdmi_pcm_from_id(struct hdac_hdmi_priv *hdmi, |
118 | int pcm_idx) | |
119 | { | |
120 | struct hdac_hdmi_pcm *pcm; | |
121 | ||
122 | list_for_each_entry(pcm, &hdmi->pcm_list, head) { | |
123 | if (pcm->pcm_id == pcm_idx) | |
124 | return pcm; | |
125 | } | |
126 | ||
127 | return NULL; | |
128 | } | |
129 | ||
e342ac08 SP |
130 | static inline struct hdac_ext_device *to_hda_ext_device(struct device *dev) |
131 | { | |
51b2c425 | 132 | struct hdac_device *hdac = dev_to_hdac_dev(dev); |
e342ac08 | 133 | |
51b2c425 | 134 | return to_ehdac_device(hdac); |
e342ac08 SP |
135 | } |
136 | ||
2428bca3 SP |
137 | static unsigned int sad_format(const u8 *sad) |
138 | { | |
139 | return ((sad[0] >> 0x3) & 0x1f); | |
140 | } | |
141 | ||
142 | static unsigned int sad_sample_bits_lpcm(const u8 *sad) | |
143 | { | |
144 | return (sad[2] & 7); | |
145 | } | |
146 | ||
147 | static int hdac_hdmi_eld_limit_formats(struct snd_pcm_runtime *runtime, | |
148 | void *eld) | |
149 | { | |
150 | u64 formats = SNDRV_PCM_FMTBIT_S16; | |
151 | int i; | |
152 | const u8 *sad, *eld_buf = eld; | |
153 | ||
154 | sad = drm_eld_sad(eld_buf); | |
155 | if (!sad) | |
156 | goto format_constraint; | |
157 | ||
158 | for (i = drm_eld_sad_count(eld_buf); i > 0; i--, sad += 3) { | |
159 | if (sad_format(sad) == 1) { /* AUDIO_CODING_TYPE_LPCM */ | |
160 | ||
161 | /* | |
162 | * the controller support 20 and 24 bits in 32 bit | |
163 | * container so we set S32 | |
164 | */ | |
165 | if (sad_sample_bits_lpcm(sad) & 0x6) | |
166 | formats |= SNDRV_PCM_FMTBIT_S32; | |
167 | } | |
168 | } | |
169 | ||
170 | format_constraint: | |
171 | return snd_pcm_hw_constraint_mask64(runtime, SNDRV_PCM_HW_PARAM_FORMAT, | |
172 | formats); | |
173 | ||
174 | } | |
175 | ||
b8a54545 SP |
176 | /* HDMI ELD routines */ |
177 | static unsigned int hdac_hdmi_get_eld_data(struct hdac_device *codec, | |
178 | hda_nid_t nid, int byte_index) | |
179 | { | |
180 | unsigned int val; | |
181 | ||
182 | val = snd_hdac_codec_read(codec, nid, 0, AC_VERB_GET_HDMI_ELDD, | |
183 | byte_index); | |
184 | ||
185 | dev_dbg(&codec->dev, "HDMI: ELD data byte %d: 0x%x\n", | |
186 | byte_index, val); | |
187 | ||
188 | return val; | |
189 | } | |
190 | ||
191 | static int hdac_hdmi_get_eld_size(struct hdac_device *codec, hda_nid_t nid) | |
192 | { | |
193 | return snd_hdac_codec_read(codec, nid, 0, AC_VERB_GET_HDMI_DIP_SIZE, | |
194 | AC_DIPSIZE_ELD_BUF); | |
195 | } | |
196 | ||
197 | /* | |
198 | * This function queries the ELD size and ELD data and fills in the buffer | |
199 | * passed by user | |
200 | */ | |
201 | static int hdac_hdmi_get_eld(struct hdac_device *codec, hda_nid_t nid, | |
202 | unsigned char *buf, int *eld_size) | |
203 | { | |
204 | int i, size, ret = 0; | |
205 | ||
206 | /* | |
207 | * ELD size is initialized to zero in caller function. If no errors and | |
208 | * ELD is valid, actual eld_size is assigned. | |
209 | */ | |
210 | ||
211 | size = hdac_hdmi_get_eld_size(codec, nid); | |
212 | if (size < ELD_FIXED_BYTES || size > ELD_MAX_SIZE) { | |
213 | dev_err(&codec->dev, "HDMI: invalid ELD buf size %d\n", size); | |
214 | return -ERANGE; | |
215 | } | |
216 | ||
217 | /* set ELD buffer */ | |
218 | for (i = 0; i < size; i++) { | |
219 | unsigned int val = hdac_hdmi_get_eld_data(codec, nid, i); | |
220 | /* | |
221 | * Graphics driver might be writing to ELD buffer right now. | |
222 | * Just abort. The caller will repoll after a while. | |
223 | */ | |
224 | if (!(val & AC_ELDD_ELD_VALID)) { | |
225 | dev_err(&codec->dev, | |
226 | "HDMI: invalid ELD data byte %d\n", i); | |
227 | ret = -EINVAL; | |
228 | goto error; | |
229 | } | |
230 | val &= AC_ELDD_ELD_DATA; | |
231 | /* | |
232 | * The first byte cannot be zero. This can happen on some DVI | |
233 | * connections. Some Intel chips may also need some 250ms delay | |
234 | * to return non-zero ELD data, even when the graphics driver | |
235 | * correctly writes ELD content before setting ELD_valid bit. | |
236 | */ | |
237 | if (!val && !i) { | |
238 | dev_err(&codec->dev, "HDMI: 0 ELD data\n"); | |
239 | ret = -EINVAL; | |
240 | goto error; | |
241 | } | |
242 | buf[i] = val; | |
243 | } | |
244 | ||
245 | *eld_size = size; | |
246 | error: | |
247 | return ret; | |
248 | } | |
249 | ||
b0362adb SP |
250 | static int hdac_hdmi_setup_stream(struct hdac_ext_device *hdac, |
251 | hda_nid_t cvt_nid, hda_nid_t pin_nid, | |
252 | u32 stream_tag, int format) | |
253 | { | |
254 | unsigned int val; | |
255 | ||
256 | dev_dbg(&hdac->hdac.dev, "cvt nid %d pnid %d stream %d format 0x%x\n", | |
257 | cvt_nid, pin_nid, stream_tag, format); | |
258 | ||
259 | val = (stream_tag << 4); | |
260 | ||
261 | snd_hdac_codec_write(&hdac->hdac, cvt_nid, 0, | |
262 | AC_VERB_SET_CHANNEL_STREAMID, val); | |
263 | snd_hdac_codec_write(&hdac->hdac, cvt_nid, 0, | |
264 | AC_VERB_SET_STREAM_FORMAT, format); | |
265 | ||
266 | return 0; | |
267 | } | |
268 | ||
a657f1d0 SP |
269 | static void |
270 | hdac_hdmi_set_dip_index(struct hdac_ext_device *hdac, hda_nid_t pin_nid, | |
271 | int packet_index, int byte_index) | |
272 | { | |
273 | int val; | |
274 | ||
275 | val = (packet_index << 5) | (byte_index & 0x1f); | |
276 | ||
277 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, | |
278 | AC_VERB_SET_HDMI_DIP_INDEX, val); | |
279 | } | |
280 | ||
478f544e SP |
281 | struct dp_audio_infoframe { |
282 | u8 type; /* 0x84 */ | |
283 | u8 len; /* 0x1b */ | |
284 | u8 ver; /* 0x11 << 2 */ | |
285 | ||
286 | u8 CC02_CT47; /* match with HDMI infoframe from this on */ | |
287 | u8 SS01_SF24; | |
288 | u8 CXT04; | |
289 | u8 CA; | |
290 | u8 LFEPBL01_LSV36_DM_INH7; | |
291 | }; | |
292 | ||
a657f1d0 SP |
293 | static int hdac_hdmi_setup_audio_infoframe(struct hdac_ext_device *hdac, |
294 | hda_nid_t cvt_nid, hda_nid_t pin_nid) | |
295 | { | |
296 | uint8_t buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AUDIO_INFOFRAME_SIZE]; | |
297 | struct hdmi_audio_infoframe frame; | |
478f544e SP |
298 | struct dp_audio_infoframe dp_ai; |
299 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
300 | struct hdac_hdmi_pin *pin; | |
301 | u8 *dip; | |
a657f1d0 SP |
302 | int ret; |
303 | int i; | |
478f544e SP |
304 | const u8 *eld_buf; |
305 | u8 conn_type; | |
bcced704 | 306 | int channels, ca; |
a657f1d0 | 307 | |
478f544e SP |
308 | list_for_each_entry(pin, &hdmi->pin_list, head) { |
309 | if (pin->nid == pin_nid) | |
310 | break; | |
311 | } | |
a657f1d0 | 312 | |
bcced704 SP |
313 | ca = snd_hdac_channel_allocation(&hdac->hdac, pin->eld.info.spk_alloc, |
314 | pin->channels, pin->chmap_set, true, pin->chmap); | |
315 | ||
316 | channels = snd_hdac_get_active_channels(ca); | |
317 | hdmi->chmap.ops.set_channel_count(&hdac->hdac, cvt_nid, channels); | |
318 | ||
319 | snd_hdac_setup_channel_mapping(&hdmi->chmap, pin->nid, false, ca, | |
320 | pin->channels, pin->chmap, pin->chmap_set); | |
321 | ||
478f544e SP |
322 | eld_buf = pin->eld.eld_buffer; |
323 | conn_type = drm_eld_get_conn_type(eld_buf); | |
a657f1d0 | 324 | |
478f544e SP |
325 | switch (conn_type) { |
326 | case DRM_ELD_CONN_TYPE_HDMI: | |
327 | hdmi_audio_infoframe_init(&frame); | |
328 | ||
478f544e | 329 | frame.channels = channels; |
bcced704 | 330 | frame.channel_allocation = ca; |
478f544e SP |
331 | |
332 | ret = hdmi_audio_infoframe_pack(&frame, buffer, sizeof(buffer)); | |
333 | if (ret < 0) | |
334 | return ret; | |
a657f1d0 | 335 | |
478f544e SP |
336 | break; |
337 | ||
338 | case DRM_ELD_CONN_TYPE_DP: | |
339 | memset(&dp_ai, 0, sizeof(dp_ai)); | |
340 | dp_ai.type = 0x84; | |
341 | dp_ai.len = 0x1b; | |
342 | dp_ai.ver = 0x11 << 2; | |
343 | dp_ai.CC02_CT47 = channels - 1; | |
bcced704 | 344 | dp_ai.CA = ca; |
478f544e SP |
345 | |
346 | dip = (u8 *)&dp_ai; | |
347 | break; | |
348 | ||
349 | default: | |
350 | dev_err(&hdac->hdac.dev, "Invalid connection type: %d\n", | |
351 | conn_type); | |
352 | return -EIO; | |
353 | } | |
a657f1d0 SP |
354 | |
355 | /* stop infoframe transmission */ | |
356 | hdac_hdmi_set_dip_index(hdac, pin_nid, 0x0, 0x0); | |
357 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, | |
358 | AC_VERB_SET_HDMI_DIP_XMIT, AC_DIPXMIT_DISABLE); | |
359 | ||
360 | ||
361 | /* Fill infoframe. Index auto-incremented */ | |
362 | hdac_hdmi_set_dip_index(hdac, pin_nid, 0x0, 0x0); | |
478f544e | 363 | if (conn_type == DRM_ELD_CONN_TYPE_HDMI) { |
391005e8 | 364 | for (i = 0; i < sizeof(buffer); i++) |
478f544e | 365 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, |
391005e8 | 366 | AC_VERB_SET_HDMI_DIP_DATA, buffer[i]); |
478f544e SP |
367 | } else { |
368 | for (i = 0; i < sizeof(dp_ai); i++) | |
369 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, | |
a657f1d0 | 370 | AC_VERB_SET_HDMI_DIP_DATA, dip[i]); |
478f544e | 371 | } |
a657f1d0 SP |
372 | |
373 | /* Start infoframe */ | |
374 | hdac_hdmi_set_dip_index(hdac, pin_nid, 0x0, 0x0); | |
375 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, | |
376 | AC_VERB_SET_HDMI_DIP_XMIT, AC_DIPXMIT_BEST); | |
377 | ||
378 | return 0; | |
379 | } | |
380 | ||
b0362adb SP |
381 | static void hdac_hdmi_set_power_state(struct hdac_ext_device *edev, |
382 | struct hdac_hdmi_dai_pin_map *dai_map, unsigned int pwr_state) | |
383 | { | |
384 | /* Power up pin widget */ | |
15b91447 SP |
385 | if (!snd_hdac_check_power_state(&edev->hdac, dai_map->pin->nid, |
386 | pwr_state)) | |
387 | snd_hdac_codec_write(&edev->hdac, dai_map->pin->nid, 0, | |
b0362adb SP |
388 | AC_VERB_SET_POWER_STATE, pwr_state); |
389 | ||
390 | /* Power up converter */ | |
15b91447 SP |
391 | if (!snd_hdac_check_power_state(&edev->hdac, dai_map->cvt->nid, |
392 | pwr_state)) | |
393 | snd_hdac_codec_write(&edev->hdac, dai_map->cvt->nid, 0, | |
b0362adb SP |
394 | AC_VERB_SET_POWER_STATE, pwr_state); |
395 | } | |
396 | ||
397 | static int hdac_hdmi_playback_prepare(struct snd_pcm_substream *substream, | |
398 | struct snd_soc_dai *dai) | |
399 | { | |
400 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
401 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
402 | struct hdac_hdmi_dai_pin_map *dai_map; | |
bcced704 | 403 | struct hdac_hdmi_pin *pin; |
b0362adb | 404 | struct hdac_ext_dma_params *dd; |
a657f1d0 | 405 | int ret; |
b0362adb | 406 | |
b0362adb | 407 | dai_map = &hdmi->dai_map[dai->id]; |
bcced704 | 408 | pin = dai_map->pin; |
b0362adb SP |
409 | |
410 | dd = (struct hdac_ext_dma_params *)snd_soc_dai_get_dma_data(dai, substream); | |
411 | dev_dbg(&hdac->hdac.dev, "stream tag from cpu dai %d format in cvt 0x%x\n", | |
412 | dd->stream_tag, dd->format); | |
413 | ||
bcced704 SP |
414 | mutex_lock(&pin->lock); |
415 | pin->channels = substream->runtime->channels; | |
416 | ||
15b91447 SP |
417 | ret = hdac_hdmi_setup_audio_infoframe(hdac, dai_map->cvt->nid, |
418 | dai_map->pin->nid); | |
bcced704 | 419 | mutex_unlock(&pin->lock); |
a657f1d0 SP |
420 | if (ret < 0) |
421 | return ret; | |
422 | ||
15b91447 SP |
423 | return hdac_hdmi_setup_stream(hdac, dai_map->cvt->nid, |
424 | dai_map->pin->nid, dd->stream_tag, dd->format); | |
b0362adb SP |
425 | } |
426 | ||
427 | static int hdac_hdmi_set_hw_params(struct snd_pcm_substream *substream, | |
428 | struct snd_pcm_hw_params *hparams, struct snd_soc_dai *dai) | |
429 | { | |
430 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
54dfa1ea SP |
431 | struct hdac_hdmi_priv *hdmi = hdac->private_data; |
432 | struct hdac_hdmi_dai_pin_map *dai_map; | |
433 | struct hdac_hdmi_pin *pin; | |
b0362adb SP |
434 | struct hdac_ext_dma_params *dd; |
435 | ||
54dfa1ea SP |
436 | dai_map = &hdmi->dai_map[dai->id]; |
437 | pin = dai_map->pin; | |
438 | ||
439 | if (!pin) | |
440 | return -ENODEV; | |
441 | ||
442 | if ((!pin->eld.monitor_present) || (!pin->eld.eld_valid)) { | |
443 | dev_err(&hdac->hdac.dev, "device is not configured for this pin: %d\n", | |
444 | pin->nid); | |
b0362adb SP |
445 | return -ENODEV; |
446 | } | |
447 | ||
6793a3d7 SP |
448 | dd = snd_soc_dai_get_dma_data(dai, substream); |
449 | if (!dd) { | |
450 | dd = kzalloc(sizeof(*dd), GFP_KERNEL); | |
451 | if (!dd) | |
452 | return -ENOMEM; | |
453 | } | |
454 | ||
b0362adb SP |
455 | dd->format = snd_hdac_calc_stream_format(params_rate(hparams), |
456 | params_channels(hparams), params_format(hparams), | |
457 | 24, 0); | |
458 | ||
459 | snd_soc_dai_set_dma_data(dai, substream, (void *)dd); | |
460 | ||
461 | return 0; | |
462 | } | |
463 | ||
464 | static int hdac_hdmi_playback_cleanup(struct snd_pcm_substream *substream, | |
465 | struct snd_soc_dai *dai) | |
466 | { | |
467 | struct hdac_ext_device *edev = snd_soc_dai_get_drvdata(dai); | |
468 | struct hdac_ext_dma_params *dd; | |
469 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
470 | struct hdac_hdmi_dai_pin_map *dai_map; | |
471 | ||
472 | dai_map = &hdmi->dai_map[dai->id]; | |
473 | ||
b0362adb | 474 | dd = (struct hdac_ext_dma_params *)snd_soc_dai_get_dma_data(dai, substream); |
b0362adb | 475 | |
6793a3d7 SP |
476 | if (dd) { |
477 | snd_soc_dai_set_dma_data(dai, substream, NULL); | |
478 | kfree(dd); | |
479 | } | |
b0362adb SP |
480 | |
481 | return 0; | |
482 | } | |
483 | ||
ab85f5b3 SP |
484 | static void hdac_hdmi_enable_cvt(struct hdac_ext_device *edev, |
485 | struct hdac_hdmi_dai_pin_map *dai_map) | |
486 | { | |
487 | /* Enable transmission */ | |
488 | snd_hdac_codec_write(&edev->hdac, dai_map->cvt->nid, 0, | |
489 | AC_VERB_SET_DIGI_CONVERT_1, 1); | |
490 | ||
491 | /* Category Code (CC) to zero */ | |
492 | snd_hdac_codec_write(&edev->hdac, dai_map->cvt->nid, 0, | |
493 | AC_VERB_SET_DIGI_CONVERT_2, 0); | |
494 | } | |
495 | ||
148569fd SP |
496 | static int hdac_hdmi_enable_pin(struct hdac_ext_device *hdac, |
497 | struct hdac_hdmi_dai_pin_map *dai_map) | |
498 | { | |
499 | int mux_idx; | |
500 | struct hdac_hdmi_pin *pin = dai_map->pin; | |
501 | ||
502 | for (mux_idx = 0; mux_idx < pin->num_mux_nids; mux_idx++) { | |
503 | if (pin->mux_nids[mux_idx] == dai_map->cvt->nid) { | |
504 | snd_hdac_codec_write(&hdac->hdac, pin->nid, 0, | |
505 | AC_VERB_SET_CONNECT_SEL, mux_idx); | |
506 | break; | |
507 | } | |
508 | } | |
509 | ||
510 | if (mux_idx == pin->num_mux_nids) | |
511 | return -EIO; | |
512 | ||
513 | /* Enable out path for this pin widget */ | |
514 | snd_hdac_codec_write(&hdac->hdac, pin->nid, 0, | |
515 | AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); | |
516 | ||
517 | hdac_hdmi_set_power_state(hdac, dai_map, AC_PWRST_D0); | |
518 | ||
519 | snd_hdac_codec_write(&hdac->hdac, pin->nid, 0, | |
520 | AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE); | |
521 | ||
522 | return 0; | |
523 | } | |
524 | ||
525 | static int hdac_hdmi_query_pin_connlist(struct hdac_ext_device *hdac, | |
526 | struct hdac_hdmi_pin *pin) | |
527 | { | |
528 | if (!(get_wcaps(&hdac->hdac, pin->nid) & AC_WCAP_CONN_LIST)) { | |
529 | dev_warn(&hdac->hdac.dev, | |
530 | "HDMI: pin %d wcaps %#x does not support connection list\n", | |
531 | pin->nid, get_wcaps(&hdac->hdac, pin->nid)); | |
532 | return -EINVAL; | |
533 | } | |
534 | ||
535 | pin->num_mux_nids = snd_hdac_get_connections(&hdac->hdac, pin->nid, | |
536 | pin->mux_nids, HDA_MAX_CONNECTIONS); | |
537 | if (pin->num_mux_nids == 0) | |
538 | dev_warn(&hdac->hdac.dev, "No connections found for pin: %d\n", | |
539 | pin->nid); | |
540 | ||
541 | dev_dbg(&hdac->hdac.dev, "num_mux_nids %d for pin: %d\n", | |
542 | pin->num_mux_nids, pin->nid); | |
543 | ||
544 | return pin->num_mux_nids; | |
545 | } | |
546 | ||
547 | /* | |
548 | * Query pcm list and return pin widget to which stream is routed. | |
549 | * | |
550 | * Also query connection list of the pin, to validate the cvt to pin map. | |
551 | * | |
552 | * Same stream rendering to multiple pins simultaneously can be done | |
553 | * possibly, but not supported for now in driver. So return the first pin | |
554 | * connected. | |
555 | */ | |
556 | static struct hdac_hdmi_pin *hdac_hdmi_get_pin_from_cvt( | |
557 | struct hdac_ext_device *edev, | |
558 | struct hdac_hdmi_priv *hdmi, | |
559 | struct hdac_hdmi_cvt *cvt) | |
560 | { | |
561 | struct hdac_hdmi_pcm *pcm; | |
562 | struct hdac_hdmi_pin *pin = NULL; | |
563 | int ret, i; | |
564 | ||
565 | list_for_each_entry(pcm, &hdmi->pcm_list, head) { | |
566 | if (pcm->cvt == cvt) { | |
567 | pin = pcm->pin; | |
568 | break; | |
569 | } | |
570 | } | |
571 | ||
572 | if (pin) { | |
573 | ret = hdac_hdmi_query_pin_connlist(edev, pin); | |
574 | if (ret < 0) | |
575 | return NULL; | |
576 | ||
577 | for (i = 0; i < pin->num_mux_nids; i++) { | |
578 | if (pin->mux_nids[i] == cvt->nid) | |
579 | return pin; | |
580 | } | |
581 | } | |
582 | ||
583 | return NULL; | |
584 | } | |
585 | ||
54dfa1ea SP |
586 | /* |
587 | * This tries to get a valid pin and set the HW constraints based on the | |
588 | * ELD. Even if a valid pin is not found return success so that device open | |
589 | * doesn't fail. | |
590 | */ | |
b0362adb SP |
591 | static int hdac_hdmi_pcm_open(struct snd_pcm_substream *substream, |
592 | struct snd_soc_dai *dai) | |
593 | { | |
594 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
595 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
596 | struct hdac_hdmi_dai_pin_map *dai_map; | |
148569fd SP |
597 | struct hdac_hdmi_cvt *cvt; |
598 | struct hdac_hdmi_pin *pin; | |
2428bca3 | 599 | int ret; |
b0362adb | 600 | |
b0362adb SP |
601 | dai_map = &hdmi->dai_map[dai->id]; |
602 | ||
148569fd SP |
603 | cvt = dai_map->cvt; |
604 | pin = hdac_hdmi_get_pin_from_cvt(hdac, hdmi, cvt); | |
54dfa1ea SP |
605 | |
606 | /* | |
607 | * To make PA and other userland happy. | |
608 | * userland scans devices so returning error does not help. | |
609 | */ | |
148569fd | 610 | if (!pin) |
54dfa1ea | 611 | return 0; |
148569fd SP |
612 | |
613 | if ((!pin->eld.monitor_present) || | |
614 | (!pin->eld.eld_valid)) { | |
b8a54545 | 615 | |
54dfa1ea | 616 | dev_warn(&hdac->hdac.dev, |
148569fd SP |
617 | "Failed: montior present? %d ELD valid?: %d for pin: %d\n", |
618 | pin->eld.monitor_present, pin->eld.eld_valid, pin->nid); | |
b0362adb | 619 | |
54dfa1ea | 620 | return 0; |
b0362adb SP |
621 | } |
622 | ||
148569fd | 623 | dai_map->pin = pin; |
b0362adb | 624 | |
ab85f5b3 | 625 | hdac_hdmi_enable_cvt(hdac, dai_map); |
148569fd SP |
626 | ret = hdac_hdmi_enable_pin(hdac, dai_map); |
627 | if (ret < 0) | |
628 | return ret; | |
b0362adb | 629 | |
2428bca3 | 630 | ret = hdac_hdmi_eld_limit_formats(substream->runtime, |
148569fd | 631 | pin->eld.eld_buffer); |
2428bca3 SP |
632 | if (ret < 0) |
633 | return ret; | |
b0362adb | 634 | |
2428bca3 | 635 | return snd_pcm_hw_constraint_eld(substream->runtime, |
148569fd | 636 | pin->eld.eld_buffer); |
b0362adb SP |
637 | } |
638 | ||
571d5078 JK |
639 | static int hdac_hdmi_trigger(struct snd_pcm_substream *substream, int cmd, |
640 | struct snd_soc_dai *dai) | |
641 | { | |
642 | struct hdac_hdmi_dai_pin_map *dai_map; | |
643 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
644 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
645 | int ret; | |
646 | ||
647 | dai_map = &hdmi->dai_map[dai->id]; | |
648 | if (cmd == SNDRV_PCM_TRIGGER_RESUME) { | |
649 | ret = hdac_hdmi_enable_pin(hdac, dai_map); | |
650 | if (ret < 0) | |
651 | return ret; | |
652 | ||
653 | return hdac_hdmi_playback_prepare(substream, dai); | |
654 | } | |
655 | ||
656 | return 0; | |
657 | } | |
658 | ||
b0362adb SP |
659 | static void hdac_hdmi_pcm_close(struct snd_pcm_substream *substream, |
660 | struct snd_soc_dai *dai) | |
661 | { | |
662 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
663 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
664 | struct hdac_hdmi_dai_pin_map *dai_map; | |
665 | ||
666 | dai_map = &hdmi->dai_map[dai->id]; | |
667 | ||
54dfa1ea SP |
668 | if (dai_map->pin) { |
669 | snd_hdac_codec_write(&hdac->hdac, dai_map->cvt->nid, 0, | |
670 | AC_VERB_SET_CHANNEL_STREAMID, 0); | |
671 | snd_hdac_codec_write(&hdac->hdac, dai_map->cvt->nid, 0, | |
672 | AC_VERB_SET_STREAM_FORMAT, 0); | |
673 | ||
674 | hdac_hdmi_set_power_state(hdac, dai_map, AC_PWRST_D3); | |
b0362adb | 675 | |
54dfa1ea | 676 | snd_hdac_codec_write(&hdac->hdac, dai_map->pin->nid, 0, |
b0362adb | 677 | AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE); |
148569fd | 678 | |
bcced704 | 679 | mutex_lock(&dai_map->pin->lock); |
2889099e SP |
680 | dai_map->pin->chmap_set = false; |
681 | memset(dai_map->pin->chmap, 0, sizeof(dai_map->pin->chmap)); | |
bcced704 SP |
682 | dai_map->pin->channels = 0; |
683 | mutex_unlock(&dai_map->pin->lock); | |
684 | ||
54dfa1ea SP |
685 | dai_map->pin = NULL; |
686 | } | |
b0362adb SP |
687 | } |
688 | ||
18382ead SP |
689 | static int |
690 | hdac_hdmi_query_cvt_params(struct hdac_device *hdac, struct hdac_hdmi_cvt *cvt) | |
691 | { | |
bcced704 SP |
692 | unsigned int chans; |
693 | struct hdac_ext_device *edev = to_ehdac_device(hdac); | |
694 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
18382ead SP |
695 | int err; |
696 | ||
bcced704 SP |
697 | chans = get_wcaps(hdac, cvt->nid); |
698 | chans = get_wcaps_channels(chans); | |
699 | ||
700 | cvt->params.channels_min = 2; | |
701 | ||
702 | cvt->params.channels_max = chans; | |
703 | if (chans > hdmi->chmap.channels_max) | |
704 | hdmi->chmap.channels_max = chans; | |
18382ead SP |
705 | |
706 | err = snd_hdac_query_supported_pcm(hdac, cvt->nid, | |
707 | &cvt->params.rates, | |
708 | &cvt->params.formats, | |
709 | &cvt->params.maxbps); | |
710 | if (err < 0) | |
711 | dev_err(&hdac->dev, | |
712 | "Failed to query pcm params for nid %d: %d\n", | |
713 | cvt->nid, err); | |
714 | ||
715 | return err; | |
716 | } | |
717 | ||
79f4e922 SP |
718 | static int hdac_hdmi_fill_widget_info(struct device *dev, |
719 | struct snd_soc_dapm_widget *w, | |
720 | enum snd_soc_dapm_type id, void *priv, | |
721 | const char *wname, const char *stream, | |
722 | struct snd_kcontrol_new *wc, int numkc) | |
18382ead SP |
723 | { |
724 | w->id = id; | |
79f4e922 SP |
725 | w->name = devm_kstrdup(dev, wname, GFP_KERNEL); |
726 | if (!w->name) | |
727 | return -ENOMEM; | |
728 | ||
18382ead SP |
729 | w->sname = stream; |
730 | w->reg = SND_SOC_NOPM; | |
731 | w->shift = 0; | |
79f4e922 SP |
732 | w->kcontrol_news = wc; |
733 | w->num_kcontrols = numkc; | |
734 | w->priv = priv; | |
735 | ||
736 | return 0; | |
18382ead SP |
737 | } |
738 | ||
739 | static void hdac_hdmi_fill_route(struct snd_soc_dapm_route *route, | |
79f4e922 SP |
740 | const char *sink, const char *control, const char *src, |
741 | int (*handler)(struct snd_soc_dapm_widget *src, | |
742 | struct snd_soc_dapm_widget *sink)) | |
18382ead SP |
743 | { |
744 | route->sink = sink; | |
745 | route->source = src; | |
746 | route->control = control; | |
79f4e922 | 747 | route->connected = handler; |
18382ead SP |
748 | } |
749 | ||
4a3478de JK |
750 | static struct hdac_hdmi_pcm *hdac_hdmi_get_pcm(struct hdac_ext_device *edev, |
751 | struct hdac_hdmi_pin *pin) | |
752 | { | |
753 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
754 | struct hdac_hdmi_pcm *pcm = NULL; | |
755 | ||
756 | list_for_each_entry(pcm, &hdmi->pcm_list, head) { | |
757 | if (pcm->pin == pin) | |
758 | return pcm; | |
759 | } | |
760 | ||
761 | return NULL; | |
762 | } | |
763 | ||
764 | /* | |
765 | * Based on user selection, map the PINs with the PCMs. | |
766 | */ | |
767 | static int hdac_hdmi_set_pin_mux(struct snd_kcontrol *kcontrol, | |
768 | struct snd_ctl_elem_value *ucontrol) | |
769 | { | |
770 | int ret; | |
771 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
772 | struct snd_soc_dapm_widget *w = snd_soc_dapm_kcontrol_widget(kcontrol); | |
773 | struct snd_soc_dapm_context *dapm = w->dapm; | |
774 | struct hdac_hdmi_pin *pin = w->priv; | |
775 | struct hdac_ext_device *edev = to_hda_ext_device(dapm->dev); | |
776 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
777 | struct hdac_hdmi_pcm *pcm = NULL; | |
778 | const char *cvt_name = e->texts[ucontrol->value.enumerated.item[0]]; | |
779 | ||
780 | ret = snd_soc_dapm_put_enum_double(kcontrol, ucontrol); | |
781 | if (ret < 0) | |
782 | return ret; | |
783 | ||
784 | mutex_lock(&hdmi->pin_mutex); | |
785 | list_for_each_entry(pcm, &hdmi->pcm_list, head) { | |
786 | if (pcm->pin == pin) | |
787 | pcm->pin = NULL; | |
788 | ||
789 | /* | |
790 | * Jack status is not reported during device probe as the | |
791 | * PCMs are not registered by then. So report it here. | |
792 | */ | |
793 | if (!strcmp(cvt_name, pcm->cvt->name) && !pcm->pin) { | |
794 | pcm->pin = pin; | |
795 | if (pin->eld.monitor_present && pin->eld.eld_valid) { | |
796 | dev_dbg(&edev->hdac.dev, | |
797 | "jack report for pcm=%d\n", | |
798 | pcm->pcm_id); | |
799 | ||
800 | snd_jack_report(pcm->jack, SND_JACK_AVOUT); | |
801 | } | |
802 | mutex_unlock(&hdmi->pin_mutex); | |
803 | return ret; | |
804 | } | |
805 | } | |
806 | mutex_unlock(&hdmi->pin_mutex); | |
807 | ||
808 | return ret; | |
809 | } | |
810 | ||
79f4e922 SP |
811 | /* |
812 | * Ideally the Mux inputs should be based on the num_muxs enumerated, but | |
813 | * the display driver seem to be programming the connection list for the pin | |
814 | * widget runtime. | |
815 | * | |
816 | * So programming all the possible inputs for the mux, the user has to take | |
817 | * care of selecting the right one and leaving all other inputs selected to | |
818 | * "NONE" | |
819 | */ | |
820 | static int hdac_hdmi_create_pin_muxs(struct hdac_ext_device *edev, | |
821 | struct hdac_hdmi_pin *pin, | |
822 | struct snd_soc_dapm_widget *widget, | |
823 | const char *widget_name) | |
824 | { | |
825 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
826 | struct snd_kcontrol_new *kc; | |
827 | struct hdac_hdmi_cvt *cvt; | |
828 | struct soc_enum *se; | |
829 | char kc_name[NAME_SIZE]; | |
830 | char mux_items[NAME_SIZE]; | |
831 | /* To hold inputs to the Pin mux */ | |
832 | char *items[HDA_MAX_CONNECTIONS]; | |
833 | int i = 0; | |
834 | int num_items = hdmi->num_cvt + 1; | |
835 | ||
836 | kc = devm_kzalloc(&edev->hdac.dev, sizeof(*kc), GFP_KERNEL); | |
837 | if (!kc) | |
838 | return -ENOMEM; | |
839 | ||
840 | se = devm_kzalloc(&edev->hdac.dev, sizeof(*se), GFP_KERNEL); | |
841 | if (!se) | |
842 | return -ENOMEM; | |
843 | ||
844 | sprintf(kc_name, "Pin %d Input", pin->nid); | |
845 | kc->name = devm_kstrdup(&edev->hdac.dev, kc_name, GFP_KERNEL); | |
846 | if (!kc->name) | |
847 | return -ENOMEM; | |
848 | ||
849 | kc->private_value = (long)se; | |
850 | kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
851 | kc->access = 0; | |
852 | kc->info = snd_soc_info_enum_double; | |
4a3478de | 853 | kc->put = hdac_hdmi_set_pin_mux; |
79f4e922 SP |
854 | kc->get = snd_soc_dapm_get_enum_double; |
855 | ||
856 | se->reg = SND_SOC_NOPM; | |
857 | ||
858 | /* enum texts: ["NONE", "cvt #", "cvt #", ...] */ | |
859 | se->items = num_items; | |
860 | se->mask = roundup_pow_of_two(se->items) - 1; | |
861 | ||
862 | sprintf(mux_items, "NONE"); | |
863 | items[i] = devm_kstrdup(&edev->hdac.dev, mux_items, GFP_KERNEL); | |
864 | if (!items[i]) | |
865 | return -ENOMEM; | |
866 | ||
867 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { | |
868 | i++; | |
869 | sprintf(mux_items, "cvt %d", cvt->nid); | |
870 | items[i] = devm_kstrdup(&edev->hdac.dev, mux_items, GFP_KERNEL); | |
871 | if (!items[i]) | |
872 | return -ENOMEM; | |
873 | } | |
874 | ||
875 | se->texts = devm_kmemdup(&edev->hdac.dev, items, | |
876 | (num_items * sizeof(char *)), GFP_KERNEL); | |
877 | if (!se->texts) | |
878 | return -ENOMEM; | |
879 | ||
880 | return hdac_hdmi_fill_widget_info(&edev->hdac.dev, widget, | |
4a3478de | 881 | snd_soc_dapm_mux, pin, widget_name, NULL, kc, 1); |
79f4e922 SP |
882 | } |
883 | ||
884 | /* Add cvt <- input <- mux route map */ | |
885 | static void hdac_hdmi_add_pinmux_cvt_route(struct hdac_ext_device *edev, | |
886 | struct snd_soc_dapm_widget *widgets, | |
887 | struct snd_soc_dapm_route *route, int rindex) | |
888 | { | |
889 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
890 | const struct snd_kcontrol_new *kc; | |
891 | struct soc_enum *se; | |
892 | int mux_index = hdmi->num_cvt + hdmi->num_pin; | |
893 | int i, j; | |
894 | ||
895 | for (i = 0; i < hdmi->num_pin; i++) { | |
896 | kc = widgets[mux_index].kcontrol_news; | |
897 | se = (struct soc_enum *)kc->private_value; | |
898 | for (j = 0; j < hdmi->num_cvt; j++) { | |
899 | hdac_hdmi_fill_route(&route[rindex], | |
900 | widgets[mux_index].name, | |
901 | se->texts[j + 1], | |
902 | widgets[j].name, NULL); | |
903 | ||
904 | rindex++; | |
905 | } | |
906 | ||
907 | mux_index++; | |
908 | } | |
909 | } | |
910 | ||
911 | /* | |
912 | * Widgets are added in the below sequence | |
913 | * Converter widgets for num converters enumerated | |
914 | * Pin widgets for num pins enumerated | |
915 | * Pin mux widgets to represent connenction list of pin widget | |
916 | * | |
917 | * Total widgets elements = num_cvt + num_pin + num_pin; | |
918 | * | |
919 | * Routes are added as below: | |
920 | * pin mux -> pin (based on num_pins) | |
921 | * cvt -> "Input sel control" -> pin_mux | |
922 | * | |
923 | * Total route elements: | |
924 | * num_pins + (pin_muxes * num_cvt) | |
925 | */ | |
926 | static int create_fill_widget_route_map(struct snd_soc_dapm_context *dapm) | |
18382ead | 927 | { |
79f4e922 SP |
928 | struct snd_soc_dapm_widget *widgets; |
929 | struct snd_soc_dapm_route *route; | |
930 | struct hdac_ext_device *edev = to_hda_ext_device(dapm->dev); | |
931 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
932 | struct snd_soc_dai_driver *dai_drv = dapm->component->dai_drv; | |
933 | char widget_name[NAME_SIZE]; | |
934 | struct hdac_hdmi_cvt *cvt; | |
935 | struct hdac_hdmi_pin *pin; | |
936 | int ret, i = 0, num_routes = 0; | |
18382ead | 937 | |
79f4e922 SP |
938 | if (list_empty(&hdmi->cvt_list) || list_empty(&hdmi->pin_list)) |
939 | return -EINVAL; | |
18382ead | 940 | |
79f4e922 SP |
941 | widgets = devm_kzalloc(dapm->dev, |
942 | (sizeof(*widgets) * ((2 * hdmi->num_pin) + hdmi->num_cvt)), | |
943 | GFP_KERNEL); | |
18382ead | 944 | |
79f4e922 SP |
945 | if (!widgets) |
946 | return -ENOMEM; | |
947 | ||
948 | /* DAPM widgets to represent each converter widget */ | |
949 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { | |
950 | sprintf(widget_name, "Converter %d", cvt->nid); | |
951 | ret = hdac_hdmi_fill_widget_info(dapm->dev, &widgets[i], | |
952 | snd_soc_dapm_aif_in, &cvt->nid, | |
953 | widget_name, dai_drv[i].playback.stream_name, NULL, 0); | |
954 | if (ret < 0) | |
955 | return ret; | |
956 | i++; | |
957 | } | |
958 | ||
959 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
960 | sprintf(widget_name, "hif%d Output", pin->nid); | |
961 | ret = hdac_hdmi_fill_widget_info(dapm->dev, &widgets[i], | |
962 | snd_soc_dapm_output, &pin->nid, | |
963 | widget_name, NULL, NULL, 0); | |
964 | if (ret < 0) | |
965 | return ret; | |
966 | i++; | |
967 | } | |
968 | ||
969 | /* DAPM widgets to represent the connection list to pin widget */ | |
970 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
971 | sprintf(widget_name, "Pin %d Mux", pin->nid); | |
972 | ret = hdac_hdmi_create_pin_muxs(edev, pin, &widgets[i], | |
973 | widget_name); | |
974 | if (ret < 0) | |
975 | return ret; | |
976 | i++; | |
977 | ||
978 | /* For cvt to pin_mux mapping */ | |
979 | num_routes += hdmi->num_cvt; | |
980 | ||
981 | /* For pin_mux to pin mapping */ | |
982 | num_routes++; | |
983 | } | |
984 | ||
985 | route = devm_kzalloc(dapm->dev, (sizeof(*route) * num_routes), | |
986 | GFP_KERNEL); | |
987 | if (!route) | |
988 | return -ENOMEM; | |
989 | ||
990 | i = 0; | |
991 | /* Add pin <- NULL <- mux route map */ | |
992 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
993 | int sink_index = i + hdmi->num_cvt; | |
994 | int src_index = sink_index + hdmi->num_pin; | |
995 | ||
996 | hdac_hdmi_fill_route(&route[i], | |
997 | widgets[sink_index].name, NULL, | |
998 | widgets[src_index].name, NULL); | |
999 | i++; | |
1000 | ||
1001 | } | |
1002 | ||
1003 | hdac_hdmi_add_pinmux_cvt_route(edev, widgets, route, i); | |
1004 | ||
1005 | snd_soc_dapm_new_controls(dapm, widgets, | |
1006 | ((2 * hdmi->num_pin) + hdmi->num_cvt)); | |
1007 | ||
1008 | snd_soc_dapm_add_routes(dapm, route, num_routes); | |
1009 | snd_soc_dapm_new_widgets(dapm->card); | |
1010 | ||
1011 | return 0; | |
18382ead | 1012 | |
18382ead SP |
1013 | } |
1014 | ||
15b91447 | 1015 | static int hdac_hdmi_init_dai_map(struct hdac_ext_device *edev) |
18382ead | 1016 | { |
15b91447 | 1017 | struct hdac_hdmi_priv *hdmi = edev->private_data; |
148569fd | 1018 | struct hdac_hdmi_dai_pin_map *dai_map; |
15b91447 | 1019 | struct hdac_hdmi_cvt *cvt; |
148569fd | 1020 | int dai_id = 0; |
18382ead | 1021 | |
148569fd | 1022 | if (list_empty(&hdmi->cvt_list)) |
15b91447 | 1023 | return -EINVAL; |
18382ead | 1024 | |
148569fd SP |
1025 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { |
1026 | dai_map = &hdmi->dai_map[dai_id]; | |
1027 | dai_map->dai_id = dai_id; | |
1028 | dai_map->cvt = cvt; | |
18382ead | 1029 | |
148569fd | 1030 | dai_id++; |
18382ead | 1031 | |
148569fd SP |
1032 | if (dai_id == HDA_MAX_CVTS) { |
1033 | dev_warn(&edev->hdac.dev, | |
1034 | "Max dais supported: %d\n", dai_id); | |
1035 | break; | |
1036 | } | |
1037 | } | |
18382ead | 1038 | |
15b91447 SP |
1039 | return 0; |
1040 | } | |
1041 | ||
1042 | static int hdac_hdmi_add_cvt(struct hdac_ext_device *edev, hda_nid_t nid) | |
1043 | { | |
1044 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1045 | struct hdac_hdmi_cvt *cvt; | |
4a3478de | 1046 | char name[NAME_SIZE]; |
15b91447 SP |
1047 | |
1048 | cvt = kzalloc(sizeof(*cvt), GFP_KERNEL); | |
1049 | if (!cvt) | |
1050 | return -ENOMEM; | |
1051 | ||
1052 | cvt->nid = nid; | |
4a3478de JK |
1053 | sprintf(name, "cvt %d", cvt->nid); |
1054 | cvt->name = kstrdup(name, GFP_KERNEL); | |
15b91447 SP |
1055 | |
1056 | list_add_tail(&cvt->head, &hdmi->cvt_list); | |
1057 | hdmi->num_cvt++; | |
1058 | ||
1059 | return hdac_hdmi_query_cvt_params(&edev->hdac, cvt); | |
1060 | } | |
1061 | ||
b7756ede SP |
1062 | static void hdac_hdmi_parse_eld(struct hdac_ext_device *edev, |
1063 | struct hdac_hdmi_pin *pin) | |
1064 | { | |
1065 | pin->eld.info.spk_alloc = pin->eld.eld_buffer[DRM_ELD_SPEAKER]; | |
1066 | } | |
1067 | ||
b8a54545 SP |
1068 | static void hdac_hdmi_present_sense(struct hdac_hdmi_pin *pin, int repoll) |
1069 | { | |
1070 | struct hdac_ext_device *edev = pin->edev; | |
4a3478de JK |
1071 | struct hdac_hdmi_priv *hdmi = edev->private_data; |
1072 | struct hdac_hdmi_pcm *pcm; | |
b8a54545 SP |
1073 | int val; |
1074 | ||
b8a54545 SP |
1075 | pin->repoll_count = repoll; |
1076 | ||
1077 | pm_runtime_get_sync(&edev->hdac.dev); | |
1078 | val = snd_hdac_codec_read(&edev->hdac, pin->nid, 0, | |
1079 | AC_VERB_GET_PIN_SENSE, 0); | |
1080 | ||
1081 | dev_dbg(&edev->hdac.dev, "Pin sense val %x for pin: %d\n", | |
1082 | val, pin->nid); | |
1083 | ||
4a3478de JK |
1084 | |
1085 | mutex_lock(&hdmi->pin_mutex); | |
b8a54545 SP |
1086 | pin->eld.monitor_present = !!(val & AC_PINSENSE_PRESENCE); |
1087 | pin->eld.eld_valid = !!(val & AC_PINSENSE_ELDV); | |
1088 | ||
4a3478de JK |
1089 | pcm = hdac_hdmi_get_pcm(edev, pin); |
1090 | ||
b8a54545 SP |
1091 | if (!pin->eld.monitor_present || !pin->eld.eld_valid) { |
1092 | ||
1093 | dev_dbg(&edev->hdac.dev, "%s: disconnect for pin %d\n", | |
1094 | __func__, pin->nid); | |
4a3478de JK |
1095 | |
1096 | /* | |
1097 | * PCMs are not registered during device probe, so don't | |
1098 | * report jack here. It will be done in usermode mux | |
1099 | * control select. | |
1100 | */ | |
1101 | if (pcm) { | |
1102 | dev_dbg(&edev->hdac.dev, | |
1103 | "jack report for pcm=%d\n", pcm->pcm_id); | |
1104 | ||
1105 | snd_jack_report(pcm->jack, 0); | |
1106 | } | |
1107 | ||
1108 | mutex_unlock(&hdmi->pin_mutex); | |
b8a54545 SP |
1109 | goto put_hdac_device; |
1110 | } | |
1111 | ||
1112 | if (pin->eld.monitor_present && pin->eld.eld_valid) { | |
1113 | /* TODO: use i915 component for reading ELD later */ | |
1114 | if (hdac_hdmi_get_eld(&edev->hdac, pin->nid, | |
1115 | pin->eld.eld_buffer, | |
1116 | &pin->eld.eld_size) == 0) { | |
1117 | ||
4a3478de JK |
1118 | if (pcm) { |
1119 | dev_dbg(&edev->hdac.dev, | |
1120 | "jack report for pcm=%d\n", | |
1121 | pcm->pcm_id); | |
1122 | ||
1123 | snd_jack_report(pcm->jack, SND_JACK_AVOUT); | |
1124 | } | |
b7756ede | 1125 | hdac_hdmi_parse_eld(edev, pin); |
4a3478de | 1126 | |
b8a54545 SP |
1127 | print_hex_dump_bytes("ELD: ", DUMP_PREFIX_OFFSET, |
1128 | pin->eld.eld_buffer, pin->eld.eld_size); | |
1129 | } else { | |
1130 | pin->eld.monitor_present = false; | |
1131 | pin->eld.eld_valid = false; | |
4a3478de JK |
1132 | |
1133 | if (pcm) { | |
1134 | dev_dbg(&edev->hdac.dev, | |
1135 | "jack report for pcm=%d\n", | |
1136 | pcm->pcm_id); | |
1137 | ||
1138 | snd_jack_report(pcm->jack, 0); | |
1139 | } | |
b8a54545 SP |
1140 | } |
1141 | } | |
1142 | ||
4a3478de JK |
1143 | mutex_unlock(&hdmi->pin_mutex); |
1144 | ||
b8a54545 SP |
1145 | /* |
1146 | * Sometimes the pin_sense may present invalid monitor | |
1147 | * present and eld_valid. If ELD data is not valid, loop few | |
1148 | * more times to get correct pin sense and valid ELD. | |
1149 | */ | |
1150 | if ((!pin->eld.monitor_present || !pin->eld.eld_valid) && repoll) | |
1151 | schedule_delayed_work(&pin->work, msecs_to_jiffies(300)); | |
1152 | ||
1153 | put_hdac_device: | |
1154 | pm_runtime_put_sync(&edev->hdac.dev); | |
1155 | } | |
1156 | ||
1157 | static void hdac_hdmi_repoll_eld(struct work_struct *work) | |
1158 | { | |
1159 | struct hdac_hdmi_pin *pin = | |
1160 | container_of(to_delayed_work(work), struct hdac_hdmi_pin, work); | |
1161 | ||
1162 | /* picked from legacy HDA driver */ | |
1163 | if (pin->repoll_count++ > 6) | |
1164 | pin->repoll_count = 0; | |
1165 | ||
1166 | hdac_hdmi_present_sense(pin, pin->repoll_count); | |
1167 | } | |
1168 | ||
15b91447 SP |
1169 | static int hdac_hdmi_add_pin(struct hdac_ext_device *edev, hda_nid_t nid) |
1170 | { | |
1171 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1172 | struct hdac_hdmi_pin *pin; | |
1173 | ||
1174 | pin = kzalloc(sizeof(*pin), GFP_KERNEL); | |
1175 | if (!pin) | |
1176 | return -ENOMEM; | |
1177 | ||
1178 | pin->nid = nid; | |
1179 | ||
1180 | list_add_tail(&pin->head, &hdmi->pin_list); | |
1181 | hdmi->num_pin++; | |
1182 | ||
b8a54545 | 1183 | pin->edev = edev; |
bcced704 | 1184 | mutex_init(&pin->lock); |
b8a54545 SP |
1185 | INIT_DELAYED_WORK(&pin->work, hdac_hdmi_repoll_eld); |
1186 | ||
15b91447 | 1187 | return 0; |
18382ead SP |
1188 | } |
1189 | ||
211caab7 SP |
1190 | #define INTEL_VENDOR_NID 0x08 |
1191 | #define INTEL_GET_VENDOR_VERB 0xf81 | |
1192 | #define INTEL_SET_VENDOR_VERB 0x781 | |
1193 | #define INTEL_EN_DP12 0x02 /* enable DP 1.2 features */ | |
1194 | #define INTEL_EN_ALL_PIN_CVTS 0x01 /* enable 2nd & 3rd pins and convertors */ | |
1195 | ||
1196 | static void hdac_hdmi_skl_enable_all_pins(struct hdac_device *hdac) | |
1197 | { | |
1198 | unsigned int vendor_param; | |
1199 | ||
1200 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
1201 | INTEL_GET_VENDOR_VERB, 0); | |
1202 | if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS) | |
1203 | return; | |
1204 | ||
1205 | vendor_param |= INTEL_EN_ALL_PIN_CVTS; | |
1206 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
1207 | INTEL_SET_VENDOR_VERB, vendor_param); | |
1208 | if (vendor_param == -1) | |
1209 | return; | |
1210 | } | |
1211 | ||
1212 | static void hdac_hdmi_skl_enable_dp12(struct hdac_device *hdac) | |
1213 | { | |
1214 | unsigned int vendor_param; | |
1215 | ||
1216 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
1217 | INTEL_GET_VENDOR_VERB, 0); | |
1218 | if (vendor_param == -1 || vendor_param & INTEL_EN_DP12) | |
1219 | return; | |
1220 | ||
1221 | /* enable DP1.2 mode */ | |
1222 | vendor_param |= INTEL_EN_DP12; | |
1223 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
1224 | INTEL_SET_VENDOR_VERB, vendor_param); | |
1225 | if (vendor_param == -1) | |
1226 | return; | |
1227 | ||
1228 | } | |
1229 | ||
17a42c45 SP |
1230 | static struct snd_soc_dai_ops hdmi_dai_ops = { |
1231 | .startup = hdac_hdmi_pcm_open, | |
1232 | .shutdown = hdac_hdmi_pcm_close, | |
1233 | .hw_params = hdac_hdmi_set_hw_params, | |
1234 | .prepare = hdac_hdmi_playback_prepare, | |
571d5078 | 1235 | .trigger = hdac_hdmi_trigger, |
17a42c45 SP |
1236 | .hw_free = hdac_hdmi_playback_cleanup, |
1237 | }; | |
1238 | ||
1239 | /* | |
1240 | * Each converter can support a stream independently. So a dai is created | |
1241 | * based on the number of converter queried. | |
1242 | */ | |
1243 | static int hdac_hdmi_create_dais(struct hdac_device *hdac, | |
1244 | struct snd_soc_dai_driver **dais, | |
1245 | struct hdac_hdmi_priv *hdmi, int num_dais) | |
1246 | { | |
1247 | struct snd_soc_dai_driver *hdmi_dais; | |
1248 | struct hdac_hdmi_cvt *cvt; | |
1249 | char name[NAME_SIZE], dai_name[NAME_SIZE]; | |
1250 | int i = 0; | |
1251 | u32 rates, bps; | |
1252 | unsigned int rate_max = 384000, rate_min = 8000; | |
1253 | u64 formats; | |
1254 | int ret; | |
1255 | ||
1256 | hdmi_dais = devm_kzalloc(&hdac->dev, | |
1257 | (sizeof(*hdmi_dais) * num_dais), | |
1258 | GFP_KERNEL); | |
1259 | if (!hdmi_dais) | |
1260 | return -ENOMEM; | |
1261 | ||
1262 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { | |
1263 | ret = snd_hdac_query_supported_pcm(hdac, cvt->nid, | |
1264 | &rates, &formats, &bps); | |
1265 | if (ret) | |
1266 | return ret; | |
1267 | ||
1268 | sprintf(dai_name, "intel-hdmi-hifi%d", i+1); | |
1269 | hdmi_dais[i].name = devm_kstrdup(&hdac->dev, | |
1270 | dai_name, GFP_KERNEL); | |
1271 | ||
1272 | if (!hdmi_dais[i].name) | |
1273 | return -ENOMEM; | |
1274 | ||
1275 | snprintf(name, sizeof(name), "hifi%d", i+1); | |
1276 | hdmi_dais[i].playback.stream_name = | |
1277 | devm_kstrdup(&hdac->dev, name, GFP_KERNEL); | |
1278 | if (!hdmi_dais[i].playback.stream_name) | |
1279 | return -ENOMEM; | |
1280 | ||
1281 | /* | |
1282 | * Set caps based on capability queried from the converter. | |
1283 | * It will be constrained runtime based on ELD queried. | |
1284 | */ | |
1285 | hdmi_dais[i].playback.formats = formats; | |
1286 | hdmi_dais[i].playback.rates = rates; | |
1287 | hdmi_dais[i].playback.rate_max = rate_max; | |
1288 | hdmi_dais[i].playback.rate_min = rate_min; | |
1289 | hdmi_dais[i].playback.channels_min = 2; | |
1290 | hdmi_dais[i].playback.channels_max = 2; | |
1291 | hdmi_dais[i].ops = &hdmi_dai_ops; | |
1292 | ||
1293 | i++; | |
1294 | } | |
1295 | ||
1296 | *dais = hdmi_dais; | |
1297 | ||
1298 | return 0; | |
1299 | } | |
1300 | ||
18382ead SP |
1301 | /* |
1302 | * Parse all nodes and store the cvt/pin nids in array | |
1303 | * Add one time initialization for pin and cvt widgets | |
1304 | */ | |
17a42c45 SP |
1305 | static int hdac_hdmi_parse_and_map_nid(struct hdac_ext_device *edev, |
1306 | struct snd_soc_dai_driver **dais, int *num_dais) | |
18382ead SP |
1307 | { |
1308 | hda_nid_t nid; | |
3c83ac23 | 1309 | int i, num_nodes; |
18382ead SP |
1310 | struct hdac_device *hdac = &edev->hdac; |
1311 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
15b91447 | 1312 | int ret; |
18382ead | 1313 | |
211caab7 SP |
1314 | hdac_hdmi_skl_enable_all_pins(hdac); |
1315 | hdac_hdmi_skl_enable_dp12(hdac); | |
1316 | ||
3c83ac23 | 1317 | num_nodes = snd_hdac_get_sub_nodes(hdac, hdac->afg, &nid); |
541140d4 | 1318 | if (!nid || num_nodes <= 0) { |
18382ead SP |
1319 | dev_warn(&hdac->dev, "HDMI: failed to get afg sub nodes\n"); |
1320 | return -EINVAL; | |
1321 | } | |
1322 | ||
3c83ac23 | 1323 | hdac->num_nodes = num_nodes; |
18382ead SP |
1324 | hdac->start_nid = nid; |
1325 | ||
1326 | for (i = 0; i < hdac->num_nodes; i++, nid++) { | |
1327 | unsigned int caps; | |
1328 | unsigned int type; | |
1329 | ||
1330 | caps = get_wcaps(hdac, nid); | |
1331 | type = get_wcaps_type(caps); | |
1332 | ||
1333 | if (!(caps & AC_WCAP_DIGITAL)) | |
1334 | continue; | |
1335 | ||
1336 | switch (type) { | |
1337 | ||
1338 | case AC_WID_AUD_OUT: | |
15b91447 SP |
1339 | ret = hdac_hdmi_add_cvt(edev, nid); |
1340 | if (ret < 0) | |
1341 | return ret; | |
18382ead SP |
1342 | break; |
1343 | ||
1344 | case AC_WID_PIN: | |
15b91447 SP |
1345 | ret = hdac_hdmi_add_pin(edev, nid); |
1346 | if (ret < 0) | |
1347 | return ret; | |
18382ead SP |
1348 | break; |
1349 | } | |
1350 | } | |
1351 | ||
1352 | hdac->end_nid = nid; | |
1353 | ||
15b91447 | 1354 | if (!hdmi->num_pin || !hdmi->num_cvt) |
18382ead SP |
1355 | return -EIO; |
1356 | ||
17a42c45 SP |
1357 | ret = hdac_hdmi_create_dais(hdac, dais, hdmi, hdmi->num_cvt); |
1358 | if (ret) { | |
1359 | dev_err(&hdac->dev, "Failed to create dais with err: %d\n", | |
1360 | ret); | |
1361 | return ret; | |
1362 | } | |
1363 | ||
1364 | *num_dais = hdmi->num_cvt; | |
1365 | ||
15b91447 | 1366 | return hdac_hdmi_init_dai_map(edev); |
18382ead SP |
1367 | } |
1368 | ||
b8a54545 SP |
1369 | static void hdac_hdmi_eld_notify_cb(void *aptr, int port) |
1370 | { | |
1371 | struct hdac_ext_device *edev = aptr; | |
1372 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1373 | struct hdac_hdmi_pin *pin; | |
1374 | struct snd_soc_codec *codec = edev->scodec; | |
1375 | ||
1376 | /* Don't know how this mapping is derived */ | |
1377 | hda_nid_t pin_nid = port + 0x04; | |
1378 | ||
1379 | dev_dbg(&edev->hdac.dev, "%s: for pin: %d\n", __func__, pin_nid); | |
1380 | ||
1381 | /* | |
1382 | * skip notification during system suspend (but not in runtime PM); | |
1383 | * the state will be updated at resume. Also since the ELD and | |
1384 | * connection states are updated in anyway at the end of the resume, | |
1385 | * we can skip it when received during PM process. | |
1386 | */ | |
1387 | if (snd_power_get_state(codec->component.card->snd_card) != | |
1388 | SNDRV_CTL_POWER_D0) | |
1389 | return; | |
1390 | ||
1391 | if (atomic_read(&edev->hdac.in_pm)) | |
1392 | return; | |
1393 | ||
1394 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
1395 | if (pin->nid == pin_nid) | |
1396 | hdac_hdmi_present_sense(pin, 1); | |
1397 | } | |
1398 | } | |
1399 | ||
1400 | static struct i915_audio_component_audio_ops aops = { | |
1401 | .pin_eld_notify = hdac_hdmi_eld_notify_cb, | |
1402 | }; | |
1403 | ||
2889099e SP |
1404 | static struct snd_pcm *hdac_hdmi_get_pcm_from_id(struct snd_soc_card *card, |
1405 | int device) | |
1406 | { | |
1407 | struct snd_soc_pcm_runtime *rtd; | |
1408 | ||
1409 | list_for_each_entry(rtd, &card->rtd_list, list) { | |
1410 | if (rtd->pcm && (rtd->pcm->device == device)) | |
1411 | return rtd->pcm; | |
1412 | } | |
1413 | ||
1414 | return NULL; | |
1415 | } | |
1416 | ||
4a3478de JK |
1417 | int hdac_hdmi_jack_init(struct snd_soc_dai *dai, int device) |
1418 | { | |
1419 | char jack_name[NAME_SIZE]; | |
1420 | struct snd_soc_codec *codec = dai->codec; | |
1421 | struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); | |
1422 | struct snd_soc_dapm_context *dapm = | |
1423 | snd_soc_component_get_dapm(&codec->component); | |
1424 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1425 | struct hdac_hdmi_pcm *pcm; | |
2889099e SP |
1426 | struct snd_pcm *snd_pcm; |
1427 | int err; | |
4a3478de JK |
1428 | |
1429 | /* | |
1430 | * this is a new PCM device, create new pcm and | |
1431 | * add to the pcm list | |
1432 | */ | |
1433 | pcm = kzalloc(sizeof(*pcm), GFP_KERNEL); | |
1434 | if (!pcm) | |
1435 | return -ENOMEM; | |
1436 | pcm->pcm_id = device; | |
1437 | pcm->cvt = hdmi->dai_map[dai->id].cvt; | |
1438 | ||
2889099e SP |
1439 | snd_pcm = hdac_hdmi_get_pcm_from_id(dai->component->card, device); |
1440 | if (snd_pcm) { | |
1441 | err = snd_hdac_add_chmap_ctls(snd_pcm, device, &hdmi->chmap); | |
1442 | if (err < 0) { | |
1443 | dev_err(&edev->hdac.dev, | |
1444 | "chmap control add failed with err: %d for pcm: %d\n", | |
1445 | err, device); | |
1446 | kfree(pcm); | |
1447 | return err; | |
1448 | } | |
1449 | } | |
1450 | ||
4a3478de JK |
1451 | list_add_tail(&pcm->head, &hdmi->pcm_list); |
1452 | ||
1453 | sprintf(jack_name, "HDMI/DP, pcm=%d Jack", device); | |
1454 | ||
1455 | return snd_jack_new(dapm->card->snd_card, jack_name, | |
1456 | SND_JACK_AVOUT, &pcm->jack, true, false); | |
1457 | } | |
1458 | EXPORT_SYMBOL_GPL(hdac_hdmi_jack_init); | |
1459 | ||
18382ead SP |
1460 | static int hdmi_codec_probe(struct snd_soc_codec *codec) |
1461 | { | |
1462 | struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); | |
1463 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1464 | struct snd_soc_dapm_context *dapm = | |
1465 | snd_soc_component_get_dapm(&codec->component); | |
b8a54545 | 1466 | struct hdac_hdmi_pin *pin; |
b2047e99 | 1467 | struct hdac_ext_link *hlink = NULL; |
b8a54545 | 1468 | int ret; |
18382ead SP |
1469 | |
1470 | edev->scodec = codec; | |
1471 | ||
b2047e99 VK |
1472 | /* |
1473 | * hold the ref while we probe, also no need to drop the ref on | |
1474 | * exit, we call pm_runtime_suspend() so that will do for us | |
1475 | */ | |
1476 | hlink = snd_hdac_ext_bus_get_link(edev->ebus, dev_name(&edev->hdac.dev)); | |
500e06b9 VK |
1477 | if (!hlink) { |
1478 | dev_err(&edev->hdac.dev, "hdac link not found\n"); | |
1479 | return -EIO; | |
1480 | } | |
1481 | ||
b2047e99 VK |
1482 | snd_hdac_ext_bus_link_get(edev->ebus, hlink); |
1483 | ||
79f4e922 SP |
1484 | ret = create_fill_widget_route_map(dapm); |
1485 | if (ret < 0) | |
1486 | return ret; | |
18382ead | 1487 | |
b8a54545 SP |
1488 | aops.audio_ptr = edev; |
1489 | ret = snd_hdac_i915_register_notifier(&aops); | |
1490 | if (ret < 0) { | |
1491 | dev_err(&edev->hdac.dev, "notifier register failed: err: %d\n", | |
1492 | ret); | |
1493 | return ret; | |
1494 | } | |
1495 | ||
1496 | list_for_each_entry(pin, &hdmi->pin_list, head) | |
1497 | hdac_hdmi_present_sense(pin, 1); | |
1498 | ||
18382ead SP |
1499 | /* Imp: Store the card pointer in hda_codec */ |
1500 | edev->card = dapm->card->snd_card; | |
1501 | ||
e342ac08 SP |
1502 | /* |
1503 | * hdac_device core already sets the state to active and calls | |
1504 | * get_noresume. So enable runtime and set the device to suspend. | |
1505 | */ | |
1506 | pm_runtime_enable(&edev->hdac.dev); | |
1507 | pm_runtime_put(&edev->hdac.dev); | |
1508 | pm_runtime_suspend(&edev->hdac.dev); | |
1509 | ||
1510 | return 0; | |
1511 | } | |
1512 | ||
1513 | static int hdmi_codec_remove(struct snd_soc_codec *codec) | |
1514 | { | |
1515 | struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); | |
1516 | ||
1517 | pm_runtime_disable(&edev->hdac.dev); | |
18382ead SP |
1518 | return 0; |
1519 | } | |
1520 | ||
571d5078 | 1521 | #ifdef CONFIG_PM |
1b377ccd SP |
1522 | static int hdmi_codec_prepare(struct device *dev) |
1523 | { | |
1524 | struct hdac_ext_device *edev = to_hda_ext_device(dev); | |
1525 | struct hdac_device *hdac = &edev->hdac; | |
1526 | ||
1527 | pm_runtime_get_sync(&edev->hdac.dev); | |
1528 | ||
1529 | /* | |
1530 | * Power down afg. | |
1531 | * codec_read is preferred over codec_write to set the power state. | |
1532 | * This way verb is send to set the power state and response | |
1533 | * is received. So setting power state is ensured without using loop | |
1534 | * to read the state. | |
1535 | */ | |
1536 | snd_hdac_codec_read(hdac, hdac->afg, 0, AC_VERB_SET_POWER_STATE, | |
1537 | AC_PWRST_D3); | |
1538 | ||
1539 | return 0; | |
1540 | } | |
1541 | ||
0fee1798 | 1542 | static void hdmi_codec_complete(struct device *dev) |
571d5078 | 1543 | { |
0fee1798 | 1544 | struct hdac_ext_device *edev = to_hda_ext_device(dev); |
571d5078 JK |
1545 | struct hdac_hdmi_priv *hdmi = edev->private_data; |
1546 | struct hdac_hdmi_pin *pin; | |
1547 | struct hdac_device *hdac = &edev->hdac; | |
571d5078 JK |
1548 | |
1549 | /* Power up afg */ | |
1b377ccd SP |
1550 | snd_hdac_codec_read(hdac, hdac->afg, 0, AC_VERB_SET_POWER_STATE, |
1551 | AC_PWRST_D0); | |
571d5078 | 1552 | |
1b377ccd SP |
1553 | hdac_hdmi_skl_enable_all_pins(&edev->hdac); |
1554 | hdac_hdmi_skl_enable_dp12(&edev->hdac); | |
571d5078 JK |
1555 | |
1556 | /* | |
1557 | * As the ELD notify callback request is not entertained while the | |
1558 | * device is in suspend state. Need to manually check detection of | |
1559 | * all pins here. | |
1560 | */ | |
1561 | list_for_each_entry(pin, &hdmi->pin_list, head) | |
1562 | hdac_hdmi_present_sense(pin, 1); | |
1563 | ||
1b377ccd | 1564 | pm_runtime_put_sync(&edev->hdac.dev); |
571d5078 JK |
1565 | } |
1566 | #else | |
1b377ccd | 1567 | #define hdmi_codec_prepare NULL |
0fee1798 | 1568 | #define hdmi_codec_complete NULL |
571d5078 JK |
1569 | #endif |
1570 | ||
18382ead SP |
1571 | static struct snd_soc_codec_driver hdmi_hda_codec = { |
1572 | .probe = hdmi_codec_probe, | |
e342ac08 | 1573 | .remove = hdmi_codec_remove, |
18382ead SP |
1574 | .idle_bias_off = true, |
1575 | }; | |
1576 | ||
2889099e SP |
1577 | static void hdac_hdmi_get_chmap(struct hdac_device *hdac, int pcm_idx, |
1578 | unsigned char *chmap) | |
1579 | { | |
1580 | struct hdac_ext_device *edev = to_ehdac_device(hdac); | |
1581 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1582 | struct hdac_hdmi_pcm *pcm = get_hdmi_pcm_from_id(hdmi, pcm_idx); | |
1583 | struct hdac_hdmi_pin *pin = pcm->pin; | |
1584 | ||
1585 | /* chmap is already set to 0 in caller */ | |
1586 | if (!pin) | |
1587 | return; | |
1588 | ||
1589 | memcpy(chmap, pin->chmap, ARRAY_SIZE(pin->chmap)); | |
1590 | } | |
1591 | ||
1592 | static void hdac_hdmi_set_chmap(struct hdac_device *hdac, int pcm_idx, | |
1593 | unsigned char *chmap, int prepared) | |
1594 | { | |
1595 | struct hdac_ext_device *edev = to_ehdac_device(hdac); | |
1596 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1597 | struct hdac_hdmi_pcm *pcm = get_hdmi_pcm_from_id(hdmi, pcm_idx); | |
1598 | struct hdac_hdmi_pin *pin = pcm->pin; | |
1599 | ||
1600 | mutex_lock(&pin->lock); | |
1601 | pin->chmap_set = true; | |
1602 | memcpy(pin->chmap, chmap, ARRAY_SIZE(pin->chmap)); | |
1603 | if (prepared) | |
1604 | hdac_hdmi_setup_audio_infoframe(edev, pcm->cvt->nid, pin->nid); | |
1605 | mutex_unlock(&pin->lock); | |
1606 | } | |
1607 | ||
1608 | static bool is_hdac_hdmi_pcm_attached(struct hdac_device *hdac, int pcm_idx) | |
1609 | { | |
1610 | struct hdac_ext_device *edev = to_ehdac_device(hdac); | |
1611 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1612 | struct hdac_hdmi_pcm *pcm = get_hdmi_pcm_from_id(hdmi, pcm_idx); | |
1613 | struct hdac_hdmi_pin *pin = pcm->pin; | |
1614 | ||
1615 | return pin ? true:false; | |
1616 | } | |
1617 | ||
1618 | static int hdac_hdmi_get_spk_alloc(struct hdac_device *hdac, int pcm_idx) | |
1619 | { | |
1620 | struct hdac_ext_device *edev = to_ehdac_device(hdac); | |
1621 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1622 | struct hdac_hdmi_pcm *pcm = get_hdmi_pcm_from_id(hdmi, pcm_idx); | |
1623 | struct hdac_hdmi_pin *pin = pcm->pin; | |
1624 | ||
8f658815 | 1625 | if (!pin || !pin->eld.eld_valid) |
2889099e SP |
1626 | return 0; |
1627 | ||
1628 | return pin->eld.info.spk_alloc; | |
1629 | } | |
1630 | ||
18382ead SP |
1631 | static int hdac_hdmi_dev_probe(struct hdac_ext_device *edev) |
1632 | { | |
1633 | struct hdac_device *codec = &edev->hdac; | |
1634 | struct hdac_hdmi_priv *hdmi_priv; | |
17a42c45 | 1635 | struct snd_soc_dai_driver *hdmi_dais = NULL; |
b2047e99 | 1636 | struct hdac_ext_link *hlink = NULL; |
17a42c45 | 1637 | int num_dais = 0; |
18382ead SP |
1638 | int ret = 0; |
1639 | ||
b2047e99 VK |
1640 | /* hold the ref while we probe */ |
1641 | hlink = snd_hdac_ext_bus_get_link(edev->ebus, dev_name(&edev->hdac.dev)); | |
500e06b9 VK |
1642 | if (!hlink) { |
1643 | dev_err(&edev->hdac.dev, "hdac link not found\n"); | |
1644 | return -EIO; | |
1645 | } | |
1646 | ||
b2047e99 VK |
1647 | snd_hdac_ext_bus_link_get(edev->ebus, hlink); |
1648 | ||
18382ead SP |
1649 | hdmi_priv = devm_kzalloc(&codec->dev, sizeof(*hdmi_priv), GFP_KERNEL); |
1650 | if (hdmi_priv == NULL) | |
1651 | return -ENOMEM; | |
1652 | ||
1653 | edev->private_data = hdmi_priv; | |
bcced704 | 1654 | snd_hdac_register_chmap_ops(codec, &hdmi_priv->chmap); |
2889099e SP |
1655 | hdmi_priv->chmap.ops.get_chmap = hdac_hdmi_get_chmap; |
1656 | hdmi_priv->chmap.ops.set_chmap = hdac_hdmi_set_chmap; | |
1657 | hdmi_priv->chmap.ops.is_pcm_attached = is_hdac_hdmi_pcm_attached; | |
1658 | hdmi_priv->chmap.ops.get_spk_alloc = hdac_hdmi_get_spk_alloc; | |
18382ead SP |
1659 | |
1660 | dev_set_drvdata(&codec->dev, edev); | |
1661 | ||
15b91447 SP |
1662 | INIT_LIST_HEAD(&hdmi_priv->pin_list); |
1663 | INIT_LIST_HEAD(&hdmi_priv->cvt_list); | |
4a3478de JK |
1664 | INIT_LIST_HEAD(&hdmi_priv->pcm_list); |
1665 | mutex_init(&hdmi_priv->pin_mutex); | |
15b91447 | 1666 | |
aeaccef0 RB |
1667 | /* |
1668 | * Turned off in the runtime_suspend during the first explicit | |
1669 | * pm_runtime_suspend call. | |
1670 | */ | |
1671 | ret = snd_hdac_display_power(edev->hdac.bus, true); | |
1672 | if (ret < 0) { | |
1673 | dev_err(&edev->hdac.dev, | |
1674 | "Cannot turn on display power on i915 err: %d\n", | |
1675 | ret); | |
1676 | return ret; | |
1677 | } | |
1678 | ||
17a42c45 SP |
1679 | ret = hdac_hdmi_parse_and_map_nid(edev, &hdmi_dais, &num_dais); |
1680 | if (ret < 0) { | |
1681 | dev_err(&codec->dev, | |
1682 | "Failed in parse and map nid with err: %d\n", ret); | |
18382ead | 1683 | return ret; |
17a42c45 | 1684 | } |
18382ead SP |
1685 | |
1686 | /* ASoC specific initialization */ | |
b2047e99 VK |
1687 | ret = snd_soc_register_codec(&codec->dev, &hdmi_hda_codec, |
1688 | hdmi_dais, num_dais); | |
1689 | ||
1690 | snd_hdac_ext_bus_link_put(edev->ebus, hlink); | |
1691 | ||
1692 | return ret; | |
18382ead SP |
1693 | } |
1694 | ||
1695 | static int hdac_hdmi_dev_remove(struct hdac_ext_device *edev) | |
1696 | { | |
15b91447 SP |
1697 | struct hdac_hdmi_priv *hdmi = edev->private_data; |
1698 | struct hdac_hdmi_pin *pin, *pin_next; | |
1699 | struct hdac_hdmi_cvt *cvt, *cvt_next; | |
4a3478de | 1700 | struct hdac_hdmi_pcm *pcm, *pcm_next; |
15b91447 | 1701 | |
18382ead SP |
1702 | snd_soc_unregister_codec(&edev->hdac.dev); |
1703 | ||
4a3478de JK |
1704 | list_for_each_entry_safe(pcm, pcm_next, &hdmi->pcm_list, head) { |
1705 | pcm->cvt = NULL; | |
1706 | pcm->pin = NULL; | |
1707 | list_del(&pcm->head); | |
1708 | kfree(pcm); | |
1709 | } | |
1710 | ||
15b91447 SP |
1711 | list_for_each_entry_safe(cvt, cvt_next, &hdmi->cvt_list, head) { |
1712 | list_del(&cvt->head); | |
4a3478de | 1713 | kfree(cvt->name); |
15b91447 SP |
1714 | kfree(cvt); |
1715 | } | |
1716 | ||
1717 | list_for_each_entry_safe(pin, pin_next, &hdmi->pin_list, head) { | |
1718 | list_del(&pin->head); | |
1719 | kfree(pin); | |
1720 | } | |
1721 | ||
18382ead SP |
1722 | return 0; |
1723 | } | |
1724 | ||
e342ac08 SP |
1725 | #ifdef CONFIG_PM |
1726 | static int hdac_hdmi_runtime_suspend(struct device *dev) | |
1727 | { | |
1728 | struct hdac_ext_device *edev = to_hda_ext_device(dev); | |
1729 | struct hdac_device *hdac = &edev->hdac; | |
07f083ab | 1730 | struct hdac_bus *bus = hdac->bus; |
b2047e99 VK |
1731 | struct hdac_ext_bus *ebus = hbus_to_ebus(bus); |
1732 | struct hdac_ext_link *hlink = NULL; | |
07f083ab | 1733 | int err; |
e342ac08 SP |
1734 | |
1735 | dev_dbg(dev, "Enter: %s\n", __func__); | |
1736 | ||
07f083ab SP |
1737 | /* controller may not have been initialized for the first time */ |
1738 | if (!bus) | |
1739 | return 0; | |
1740 | ||
1b377ccd SP |
1741 | /* |
1742 | * Power down afg. | |
1743 | * codec_read is preferred over codec_write to set the power state. | |
1744 | * This way verb is send to set the power state and response | |
1745 | * is received. So setting power state is ensured without using loop | |
1746 | * to read the state. | |
1747 | */ | |
1748 | snd_hdac_codec_read(hdac, hdac->afg, 0, AC_VERB_SET_POWER_STATE, | |
1749 | AC_PWRST_D3); | |
07f083ab SP |
1750 | err = snd_hdac_display_power(bus, false); |
1751 | if (err < 0) { | |
1752 | dev_err(bus->dev, "Cannot turn on display power on i915\n"); | |
1753 | return err; | |
1754 | } | |
1755 | ||
b2047e99 | 1756 | hlink = snd_hdac_ext_bus_get_link(ebus, dev_name(dev)); |
500e06b9 VK |
1757 | if (!hlink) { |
1758 | dev_err(dev, "hdac link not found\n"); | |
1759 | return -EIO; | |
1760 | } | |
1761 | ||
b2047e99 VK |
1762 | snd_hdac_ext_bus_link_put(ebus, hlink); |
1763 | ||
e342ac08 SP |
1764 | return 0; |
1765 | } | |
1766 | ||
1767 | static int hdac_hdmi_runtime_resume(struct device *dev) | |
1768 | { | |
1769 | struct hdac_ext_device *edev = to_hda_ext_device(dev); | |
1770 | struct hdac_device *hdac = &edev->hdac; | |
07f083ab | 1771 | struct hdac_bus *bus = hdac->bus; |
b2047e99 VK |
1772 | struct hdac_ext_bus *ebus = hbus_to_ebus(bus); |
1773 | struct hdac_ext_link *hlink = NULL; | |
07f083ab | 1774 | int err; |
e342ac08 SP |
1775 | |
1776 | dev_dbg(dev, "Enter: %s\n", __func__); | |
1777 | ||
07f083ab SP |
1778 | /* controller may not have been initialized for the first time */ |
1779 | if (!bus) | |
1780 | return 0; | |
1781 | ||
b2047e99 | 1782 | hlink = snd_hdac_ext_bus_get_link(ebus, dev_name(dev)); |
500e06b9 VK |
1783 | if (!hlink) { |
1784 | dev_err(dev, "hdac link not found\n"); | |
1785 | return -EIO; | |
1786 | } | |
1787 | ||
b2047e99 VK |
1788 | snd_hdac_ext_bus_link_get(ebus, hlink); |
1789 | ||
07f083ab SP |
1790 | err = snd_hdac_display_power(bus, true); |
1791 | if (err < 0) { | |
1792 | dev_err(bus->dev, "Cannot turn on display power on i915\n"); | |
1793 | return err; | |
1794 | } | |
1795 | ||
ab85f5b3 SP |
1796 | hdac_hdmi_skl_enable_all_pins(&edev->hdac); |
1797 | hdac_hdmi_skl_enable_dp12(&edev->hdac); | |
1798 | ||
e342ac08 | 1799 | /* Power up afg */ |
1b377ccd SP |
1800 | snd_hdac_codec_read(hdac, hdac->afg, 0, AC_VERB_SET_POWER_STATE, |
1801 | AC_PWRST_D0); | |
e342ac08 SP |
1802 | |
1803 | return 0; | |
1804 | } | |
1805 | #else | |
1806 | #define hdac_hdmi_runtime_suspend NULL | |
1807 | #define hdac_hdmi_runtime_resume NULL | |
1808 | #endif | |
1809 | ||
1810 | static const struct dev_pm_ops hdac_hdmi_pm = { | |
1811 | SET_RUNTIME_PM_OPS(hdac_hdmi_runtime_suspend, hdac_hdmi_runtime_resume, NULL) | |
1b377ccd | 1812 | .prepare = hdmi_codec_prepare, |
0fee1798 | 1813 | .complete = hdmi_codec_complete, |
e342ac08 SP |
1814 | }; |
1815 | ||
18382ead SP |
1816 | static const struct hda_device_id hdmi_list[] = { |
1817 | HDA_CODEC_EXT_ENTRY(0x80862809, 0x100000, "Skylake HDMI", 0), | |
e2304803 | 1818 | HDA_CODEC_EXT_ENTRY(0x8086280a, 0x100000, "Broxton HDMI", 0), |
18382ead SP |
1819 | {} |
1820 | }; | |
1821 | ||
1822 | MODULE_DEVICE_TABLE(hdaudio, hdmi_list); | |
1823 | ||
1824 | static struct hdac_ext_driver hdmi_driver = { | |
1825 | . hdac = { | |
1826 | .driver = { | |
1827 | .name = "HDMI HDA Codec", | |
e342ac08 | 1828 | .pm = &hdac_hdmi_pm, |
18382ead SP |
1829 | }, |
1830 | .id_table = hdmi_list, | |
1831 | }, | |
1832 | .probe = hdac_hdmi_dev_probe, | |
1833 | .remove = hdac_hdmi_dev_remove, | |
1834 | }; | |
1835 | ||
1836 | static int __init hdmi_init(void) | |
1837 | { | |
1838 | return snd_hda_ext_driver_register(&hdmi_driver); | |
1839 | } | |
1840 | ||
1841 | static void __exit hdmi_exit(void) | |
1842 | { | |
1843 | snd_hda_ext_driver_unregister(&hdmi_driver); | |
1844 | } | |
1845 | ||
1846 | module_init(hdmi_init); | |
1847 | module_exit(hdmi_exit); | |
1848 | ||
1849 | MODULE_LICENSE("GPL v2"); | |
1850 | MODULE_DESCRIPTION("HDMI HD codec"); | |
1851 | MODULE_AUTHOR("Samreen Nilofer<samreen.nilofer@intel.com>"); | |
1852 | MODULE_AUTHOR("Subhransu S. Prusty<subhransu.s.prusty@intel.com>"); |