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 | ||
e342ac08 SP |
117 | static inline struct hdac_ext_device *to_hda_ext_device(struct device *dev) |
118 | { | |
51b2c425 | 119 | struct hdac_device *hdac = dev_to_hdac_dev(dev); |
e342ac08 | 120 | |
51b2c425 | 121 | return to_ehdac_device(hdac); |
e342ac08 SP |
122 | } |
123 | ||
2428bca3 SP |
124 | static unsigned int sad_format(const u8 *sad) |
125 | { | |
126 | return ((sad[0] >> 0x3) & 0x1f); | |
127 | } | |
128 | ||
129 | static unsigned int sad_sample_bits_lpcm(const u8 *sad) | |
130 | { | |
131 | return (sad[2] & 7); | |
132 | } | |
133 | ||
134 | static int hdac_hdmi_eld_limit_formats(struct snd_pcm_runtime *runtime, | |
135 | void *eld) | |
136 | { | |
137 | u64 formats = SNDRV_PCM_FMTBIT_S16; | |
138 | int i; | |
139 | const u8 *sad, *eld_buf = eld; | |
140 | ||
141 | sad = drm_eld_sad(eld_buf); | |
142 | if (!sad) | |
143 | goto format_constraint; | |
144 | ||
145 | for (i = drm_eld_sad_count(eld_buf); i > 0; i--, sad += 3) { | |
146 | if (sad_format(sad) == 1) { /* AUDIO_CODING_TYPE_LPCM */ | |
147 | ||
148 | /* | |
149 | * the controller support 20 and 24 bits in 32 bit | |
150 | * container so we set S32 | |
151 | */ | |
152 | if (sad_sample_bits_lpcm(sad) & 0x6) | |
153 | formats |= SNDRV_PCM_FMTBIT_S32; | |
154 | } | |
155 | } | |
156 | ||
157 | format_constraint: | |
158 | return snd_pcm_hw_constraint_mask64(runtime, SNDRV_PCM_HW_PARAM_FORMAT, | |
159 | formats); | |
160 | ||
161 | } | |
162 | ||
b8a54545 SP |
163 | /* HDMI ELD routines */ |
164 | static unsigned int hdac_hdmi_get_eld_data(struct hdac_device *codec, | |
165 | hda_nid_t nid, int byte_index) | |
166 | { | |
167 | unsigned int val; | |
168 | ||
169 | val = snd_hdac_codec_read(codec, nid, 0, AC_VERB_GET_HDMI_ELDD, | |
170 | byte_index); | |
171 | ||
172 | dev_dbg(&codec->dev, "HDMI: ELD data byte %d: 0x%x\n", | |
173 | byte_index, val); | |
174 | ||
175 | return val; | |
176 | } | |
177 | ||
178 | static int hdac_hdmi_get_eld_size(struct hdac_device *codec, hda_nid_t nid) | |
179 | { | |
180 | return snd_hdac_codec_read(codec, nid, 0, AC_VERB_GET_HDMI_DIP_SIZE, | |
181 | AC_DIPSIZE_ELD_BUF); | |
182 | } | |
183 | ||
184 | /* | |
185 | * This function queries the ELD size and ELD data and fills in the buffer | |
186 | * passed by user | |
187 | */ | |
188 | static int hdac_hdmi_get_eld(struct hdac_device *codec, hda_nid_t nid, | |
189 | unsigned char *buf, int *eld_size) | |
190 | { | |
191 | int i, size, ret = 0; | |
192 | ||
193 | /* | |
194 | * ELD size is initialized to zero in caller function. If no errors and | |
195 | * ELD is valid, actual eld_size is assigned. | |
196 | */ | |
197 | ||
198 | size = hdac_hdmi_get_eld_size(codec, nid); | |
199 | if (size < ELD_FIXED_BYTES || size > ELD_MAX_SIZE) { | |
200 | dev_err(&codec->dev, "HDMI: invalid ELD buf size %d\n", size); | |
201 | return -ERANGE; | |
202 | } | |
203 | ||
204 | /* set ELD buffer */ | |
205 | for (i = 0; i < size; i++) { | |
206 | unsigned int val = hdac_hdmi_get_eld_data(codec, nid, i); | |
207 | /* | |
208 | * Graphics driver might be writing to ELD buffer right now. | |
209 | * Just abort. The caller will repoll after a while. | |
210 | */ | |
211 | if (!(val & AC_ELDD_ELD_VALID)) { | |
212 | dev_err(&codec->dev, | |
213 | "HDMI: invalid ELD data byte %d\n", i); | |
214 | ret = -EINVAL; | |
215 | goto error; | |
216 | } | |
217 | val &= AC_ELDD_ELD_DATA; | |
218 | /* | |
219 | * The first byte cannot be zero. This can happen on some DVI | |
220 | * connections. Some Intel chips may also need some 250ms delay | |
221 | * to return non-zero ELD data, even when the graphics driver | |
222 | * correctly writes ELD content before setting ELD_valid bit. | |
223 | */ | |
224 | if (!val && !i) { | |
225 | dev_err(&codec->dev, "HDMI: 0 ELD data\n"); | |
226 | ret = -EINVAL; | |
227 | goto error; | |
228 | } | |
229 | buf[i] = val; | |
230 | } | |
231 | ||
232 | *eld_size = size; | |
233 | error: | |
234 | return ret; | |
235 | } | |
236 | ||
b0362adb SP |
237 | static int hdac_hdmi_setup_stream(struct hdac_ext_device *hdac, |
238 | hda_nid_t cvt_nid, hda_nid_t pin_nid, | |
239 | u32 stream_tag, int format) | |
240 | { | |
241 | unsigned int val; | |
242 | ||
243 | dev_dbg(&hdac->hdac.dev, "cvt nid %d pnid %d stream %d format 0x%x\n", | |
244 | cvt_nid, pin_nid, stream_tag, format); | |
245 | ||
246 | val = (stream_tag << 4); | |
247 | ||
248 | snd_hdac_codec_write(&hdac->hdac, cvt_nid, 0, | |
249 | AC_VERB_SET_CHANNEL_STREAMID, val); | |
250 | snd_hdac_codec_write(&hdac->hdac, cvt_nid, 0, | |
251 | AC_VERB_SET_STREAM_FORMAT, format); | |
252 | ||
253 | return 0; | |
254 | } | |
255 | ||
a657f1d0 SP |
256 | static void |
257 | hdac_hdmi_set_dip_index(struct hdac_ext_device *hdac, hda_nid_t pin_nid, | |
258 | int packet_index, int byte_index) | |
259 | { | |
260 | int val; | |
261 | ||
262 | val = (packet_index << 5) | (byte_index & 0x1f); | |
263 | ||
264 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, | |
265 | AC_VERB_SET_HDMI_DIP_INDEX, val); | |
266 | } | |
267 | ||
478f544e SP |
268 | struct dp_audio_infoframe { |
269 | u8 type; /* 0x84 */ | |
270 | u8 len; /* 0x1b */ | |
271 | u8 ver; /* 0x11 << 2 */ | |
272 | ||
273 | u8 CC02_CT47; /* match with HDMI infoframe from this on */ | |
274 | u8 SS01_SF24; | |
275 | u8 CXT04; | |
276 | u8 CA; | |
277 | u8 LFEPBL01_LSV36_DM_INH7; | |
278 | }; | |
279 | ||
a657f1d0 SP |
280 | static int hdac_hdmi_setup_audio_infoframe(struct hdac_ext_device *hdac, |
281 | hda_nid_t cvt_nid, hda_nid_t pin_nid) | |
282 | { | |
283 | uint8_t buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AUDIO_INFOFRAME_SIZE]; | |
284 | struct hdmi_audio_infoframe frame; | |
478f544e SP |
285 | struct dp_audio_infoframe dp_ai; |
286 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
287 | struct hdac_hdmi_pin *pin; | |
288 | u8 *dip; | |
a657f1d0 SP |
289 | int ret; |
290 | int i; | |
478f544e SP |
291 | const u8 *eld_buf; |
292 | u8 conn_type; | |
bcced704 | 293 | int channels, ca; |
a657f1d0 | 294 | |
478f544e SP |
295 | list_for_each_entry(pin, &hdmi->pin_list, head) { |
296 | if (pin->nid == pin_nid) | |
297 | break; | |
298 | } | |
a657f1d0 | 299 | |
bcced704 SP |
300 | ca = snd_hdac_channel_allocation(&hdac->hdac, pin->eld.info.spk_alloc, |
301 | pin->channels, pin->chmap_set, true, pin->chmap); | |
302 | ||
303 | channels = snd_hdac_get_active_channels(ca); | |
304 | hdmi->chmap.ops.set_channel_count(&hdac->hdac, cvt_nid, channels); | |
305 | ||
306 | snd_hdac_setup_channel_mapping(&hdmi->chmap, pin->nid, false, ca, | |
307 | pin->channels, pin->chmap, pin->chmap_set); | |
308 | ||
478f544e SP |
309 | eld_buf = pin->eld.eld_buffer; |
310 | conn_type = drm_eld_get_conn_type(eld_buf); | |
a657f1d0 | 311 | |
478f544e SP |
312 | switch (conn_type) { |
313 | case DRM_ELD_CONN_TYPE_HDMI: | |
314 | hdmi_audio_infoframe_init(&frame); | |
315 | ||
478f544e | 316 | frame.channels = channels; |
bcced704 | 317 | frame.channel_allocation = ca; |
478f544e SP |
318 | |
319 | ret = hdmi_audio_infoframe_pack(&frame, buffer, sizeof(buffer)); | |
320 | if (ret < 0) | |
321 | return ret; | |
a657f1d0 | 322 | |
478f544e SP |
323 | break; |
324 | ||
325 | case DRM_ELD_CONN_TYPE_DP: | |
326 | memset(&dp_ai, 0, sizeof(dp_ai)); | |
327 | dp_ai.type = 0x84; | |
328 | dp_ai.len = 0x1b; | |
329 | dp_ai.ver = 0x11 << 2; | |
330 | dp_ai.CC02_CT47 = channels - 1; | |
bcced704 | 331 | dp_ai.CA = ca; |
478f544e SP |
332 | |
333 | dip = (u8 *)&dp_ai; | |
334 | break; | |
335 | ||
336 | default: | |
337 | dev_err(&hdac->hdac.dev, "Invalid connection type: %d\n", | |
338 | conn_type); | |
339 | return -EIO; | |
340 | } | |
a657f1d0 SP |
341 | |
342 | /* stop infoframe transmission */ | |
343 | hdac_hdmi_set_dip_index(hdac, pin_nid, 0x0, 0x0); | |
344 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, | |
345 | AC_VERB_SET_HDMI_DIP_XMIT, AC_DIPXMIT_DISABLE); | |
346 | ||
347 | ||
348 | /* Fill infoframe. Index auto-incremented */ | |
349 | hdac_hdmi_set_dip_index(hdac, pin_nid, 0x0, 0x0); | |
478f544e | 350 | if (conn_type == DRM_ELD_CONN_TYPE_HDMI) { |
391005e8 | 351 | for (i = 0; i < sizeof(buffer); i++) |
478f544e | 352 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, |
391005e8 | 353 | AC_VERB_SET_HDMI_DIP_DATA, buffer[i]); |
478f544e SP |
354 | } else { |
355 | for (i = 0; i < sizeof(dp_ai); i++) | |
356 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, | |
a657f1d0 | 357 | AC_VERB_SET_HDMI_DIP_DATA, dip[i]); |
478f544e | 358 | } |
a657f1d0 SP |
359 | |
360 | /* Start infoframe */ | |
361 | hdac_hdmi_set_dip_index(hdac, pin_nid, 0x0, 0x0); | |
362 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, | |
363 | AC_VERB_SET_HDMI_DIP_XMIT, AC_DIPXMIT_BEST); | |
364 | ||
365 | return 0; | |
366 | } | |
367 | ||
b0362adb SP |
368 | static void hdac_hdmi_set_power_state(struct hdac_ext_device *edev, |
369 | struct hdac_hdmi_dai_pin_map *dai_map, unsigned int pwr_state) | |
370 | { | |
371 | /* Power up pin widget */ | |
15b91447 SP |
372 | if (!snd_hdac_check_power_state(&edev->hdac, dai_map->pin->nid, |
373 | pwr_state)) | |
374 | snd_hdac_codec_write(&edev->hdac, dai_map->pin->nid, 0, | |
b0362adb SP |
375 | AC_VERB_SET_POWER_STATE, pwr_state); |
376 | ||
377 | /* Power up converter */ | |
15b91447 SP |
378 | if (!snd_hdac_check_power_state(&edev->hdac, dai_map->cvt->nid, |
379 | pwr_state)) | |
380 | snd_hdac_codec_write(&edev->hdac, dai_map->cvt->nid, 0, | |
b0362adb SP |
381 | AC_VERB_SET_POWER_STATE, pwr_state); |
382 | } | |
383 | ||
384 | static int hdac_hdmi_playback_prepare(struct snd_pcm_substream *substream, | |
385 | struct snd_soc_dai *dai) | |
386 | { | |
387 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
388 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
389 | struct hdac_hdmi_dai_pin_map *dai_map; | |
bcced704 | 390 | struct hdac_hdmi_pin *pin; |
b0362adb | 391 | struct hdac_ext_dma_params *dd; |
a657f1d0 | 392 | int ret; |
b0362adb | 393 | |
b0362adb | 394 | dai_map = &hdmi->dai_map[dai->id]; |
bcced704 | 395 | pin = dai_map->pin; |
b0362adb SP |
396 | |
397 | dd = (struct hdac_ext_dma_params *)snd_soc_dai_get_dma_data(dai, substream); | |
398 | dev_dbg(&hdac->hdac.dev, "stream tag from cpu dai %d format in cvt 0x%x\n", | |
399 | dd->stream_tag, dd->format); | |
400 | ||
bcced704 SP |
401 | mutex_lock(&pin->lock); |
402 | pin->channels = substream->runtime->channels; | |
403 | ||
15b91447 SP |
404 | ret = hdac_hdmi_setup_audio_infoframe(hdac, dai_map->cvt->nid, |
405 | dai_map->pin->nid); | |
bcced704 | 406 | mutex_unlock(&pin->lock); |
a657f1d0 SP |
407 | if (ret < 0) |
408 | return ret; | |
409 | ||
15b91447 SP |
410 | return hdac_hdmi_setup_stream(hdac, dai_map->cvt->nid, |
411 | dai_map->pin->nid, dd->stream_tag, dd->format); | |
b0362adb SP |
412 | } |
413 | ||
414 | static int hdac_hdmi_set_hw_params(struct snd_pcm_substream *substream, | |
415 | struct snd_pcm_hw_params *hparams, struct snd_soc_dai *dai) | |
416 | { | |
417 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
54dfa1ea SP |
418 | struct hdac_hdmi_priv *hdmi = hdac->private_data; |
419 | struct hdac_hdmi_dai_pin_map *dai_map; | |
420 | struct hdac_hdmi_pin *pin; | |
b0362adb SP |
421 | struct hdac_ext_dma_params *dd; |
422 | ||
54dfa1ea SP |
423 | dai_map = &hdmi->dai_map[dai->id]; |
424 | pin = dai_map->pin; | |
425 | ||
426 | if (!pin) | |
427 | return -ENODEV; | |
428 | ||
429 | if ((!pin->eld.monitor_present) || (!pin->eld.eld_valid)) { | |
430 | dev_err(&hdac->hdac.dev, "device is not configured for this pin: %d\n", | |
431 | pin->nid); | |
b0362adb SP |
432 | return -ENODEV; |
433 | } | |
434 | ||
6793a3d7 SP |
435 | dd = snd_soc_dai_get_dma_data(dai, substream); |
436 | if (!dd) { | |
437 | dd = kzalloc(sizeof(*dd), GFP_KERNEL); | |
438 | if (!dd) | |
439 | return -ENOMEM; | |
440 | } | |
441 | ||
b0362adb SP |
442 | dd->format = snd_hdac_calc_stream_format(params_rate(hparams), |
443 | params_channels(hparams), params_format(hparams), | |
444 | 24, 0); | |
445 | ||
446 | snd_soc_dai_set_dma_data(dai, substream, (void *)dd); | |
447 | ||
448 | return 0; | |
449 | } | |
450 | ||
451 | static int hdac_hdmi_playback_cleanup(struct snd_pcm_substream *substream, | |
452 | struct snd_soc_dai *dai) | |
453 | { | |
454 | struct hdac_ext_device *edev = snd_soc_dai_get_drvdata(dai); | |
455 | struct hdac_ext_dma_params *dd; | |
456 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
457 | struct hdac_hdmi_dai_pin_map *dai_map; | |
458 | ||
459 | dai_map = &hdmi->dai_map[dai->id]; | |
460 | ||
b0362adb | 461 | dd = (struct hdac_ext_dma_params *)snd_soc_dai_get_dma_data(dai, substream); |
b0362adb | 462 | |
6793a3d7 SP |
463 | if (dd) { |
464 | snd_soc_dai_set_dma_data(dai, substream, NULL); | |
465 | kfree(dd); | |
466 | } | |
b0362adb SP |
467 | |
468 | return 0; | |
469 | } | |
470 | ||
ab85f5b3 SP |
471 | static void hdac_hdmi_enable_cvt(struct hdac_ext_device *edev, |
472 | struct hdac_hdmi_dai_pin_map *dai_map) | |
473 | { | |
474 | /* Enable transmission */ | |
475 | snd_hdac_codec_write(&edev->hdac, dai_map->cvt->nid, 0, | |
476 | AC_VERB_SET_DIGI_CONVERT_1, 1); | |
477 | ||
478 | /* Category Code (CC) to zero */ | |
479 | snd_hdac_codec_write(&edev->hdac, dai_map->cvt->nid, 0, | |
480 | AC_VERB_SET_DIGI_CONVERT_2, 0); | |
481 | } | |
482 | ||
148569fd SP |
483 | static int hdac_hdmi_enable_pin(struct hdac_ext_device *hdac, |
484 | struct hdac_hdmi_dai_pin_map *dai_map) | |
485 | { | |
486 | int mux_idx; | |
487 | struct hdac_hdmi_pin *pin = dai_map->pin; | |
488 | ||
489 | for (mux_idx = 0; mux_idx < pin->num_mux_nids; mux_idx++) { | |
490 | if (pin->mux_nids[mux_idx] == dai_map->cvt->nid) { | |
491 | snd_hdac_codec_write(&hdac->hdac, pin->nid, 0, | |
492 | AC_VERB_SET_CONNECT_SEL, mux_idx); | |
493 | break; | |
494 | } | |
495 | } | |
496 | ||
497 | if (mux_idx == pin->num_mux_nids) | |
498 | return -EIO; | |
499 | ||
500 | /* Enable out path for this pin widget */ | |
501 | snd_hdac_codec_write(&hdac->hdac, pin->nid, 0, | |
502 | AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); | |
503 | ||
504 | hdac_hdmi_set_power_state(hdac, dai_map, AC_PWRST_D0); | |
505 | ||
506 | snd_hdac_codec_write(&hdac->hdac, pin->nid, 0, | |
507 | AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE); | |
508 | ||
509 | return 0; | |
510 | } | |
511 | ||
512 | static int hdac_hdmi_query_pin_connlist(struct hdac_ext_device *hdac, | |
513 | struct hdac_hdmi_pin *pin) | |
514 | { | |
515 | if (!(get_wcaps(&hdac->hdac, pin->nid) & AC_WCAP_CONN_LIST)) { | |
516 | dev_warn(&hdac->hdac.dev, | |
517 | "HDMI: pin %d wcaps %#x does not support connection list\n", | |
518 | pin->nid, get_wcaps(&hdac->hdac, pin->nid)); | |
519 | return -EINVAL; | |
520 | } | |
521 | ||
522 | pin->num_mux_nids = snd_hdac_get_connections(&hdac->hdac, pin->nid, | |
523 | pin->mux_nids, HDA_MAX_CONNECTIONS); | |
524 | if (pin->num_mux_nids == 0) | |
525 | dev_warn(&hdac->hdac.dev, "No connections found for pin: %d\n", | |
526 | pin->nid); | |
527 | ||
528 | dev_dbg(&hdac->hdac.dev, "num_mux_nids %d for pin: %d\n", | |
529 | pin->num_mux_nids, pin->nid); | |
530 | ||
531 | return pin->num_mux_nids; | |
532 | } | |
533 | ||
534 | /* | |
535 | * Query pcm list and return pin widget to which stream is routed. | |
536 | * | |
537 | * Also query connection list of the pin, to validate the cvt to pin map. | |
538 | * | |
539 | * Same stream rendering to multiple pins simultaneously can be done | |
540 | * possibly, but not supported for now in driver. So return the first pin | |
541 | * connected. | |
542 | */ | |
543 | static struct hdac_hdmi_pin *hdac_hdmi_get_pin_from_cvt( | |
544 | struct hdac_ext_device *edev, | |
545 | struct hdac_hdmi_priv *hdmi, | |
546 | struct hdac_hdmi_cvt *cvt) | |
547 | { | |
548 | struct hdac_hdmi_pcm *pcm; | |
549 | struct hdac_hdmi_pin *pin = NULL; | |
550 | int ret, i; | |
551 | ||
552 | list_for_each_entry(pcm, &hdmi->pcm_list, head) { | |
553 | if (pcm->cvt == cvt) { | |
554 | pin = pcm->pin; | |
555 | break; | |
556 | } | |
557 | } | |
558 | ||
559 | if (pin) { | |
560 | ret = hdac_hdmi_query_pin_connlist(edev, pin); | |
561 | if (ret < 0) | |
562 | return NULL; | |
563 | ||
564 | for (i = 0; i < pin->num_mux_nids; i++) { | |
565 | if (pin->mux_nids[i] == cvt->nid) | |
566 | return pin; | |
567 | } | |
568 | } | |
569 | ||
570 | return NULL; | |
571 | } | |
572 | ||
54dfa1ea SP |
573 | /* |
574 | * This tries to get a valid pin and set the HW constraints based on the | |
575 | * ELD. Even if a valid pin is not found return success so that device open | |
576 | * doesn't fail. | |
577 | */ | |
b0362adb SP |
578 | static int hdac_hdmi_pcm_open(struct snd_pcm_substream *substream, |
579 | struct snd_soc_dai *dai) | |
580 | { | |
581 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
582 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
583 | struct hdac_hdmi_dai_pin_map *dai_map; | |
148569fd SP |
584 | struct hdac_hdmi_cvt *cvt; |
585 | struct hdac_hdmi_pin *pin; | |
2428bca3 | 586 | int ret; |
b0362adb | 587 | |
b0362adb SP |
588 | dai_map = &hdmi->dai_map[dai->id]; |
589 | ||
148569fd SP |
590 | cvt = dai_map->cvt; |
591 | pin = hdac_hdmi_get_pin_from_cvt(hdac, hdmi, cvt); | |
54dfa1ea SP |
592 | |
593 | /* | |
594 | * To make PA and other userland happy. | |
595 | * userland scans devices so returning error does not help. | |
596 | */ | |
148569fd | 597 | if (!pin) |
54dfa1ea | 598 | return 0; |
148569fd SP |
599 | |
600 | if ((!pin->eld.monitor_present) || | |
601 | (!pin->eld.eld_valid)) { | |
b8a54545 | 602 | |
54dfa1ea | 603 | dev_warn(&hdac->hdac.dev, |
148569fd SP |
604 | "Failed: montior present? %d ELD valid?: %d for pin: %d\n", |
605 | pin->eld.monitor_present, pin->eld.eld_valid, pin->nid); | |
b0362adb | 606 | |
54dfa1ea | 607 | return 0; |
b0362adb SP |
608 | } |
609 | ||
148569fd | 610 | dai_map->pin = pin; |
b0362adb | 611 | |
ab85f5b3 | 612 | hdac_hdmi_enable_cvt(hdac, dai_map); |
148569fd SP |
613 | ret = hdac_hdmi_enable_pin(hdac, dai_map); |
614 | if (ret < 0) | |
615 | return ret; | |
b0362adb | 616 | |
2428bca3 | 617 | ret = hdac_hdmi_eld_limit_formats(substream->runtime, |
148569fd | 618 | pin->eld.eld_buffer); |
2428bca3 SP |
619 | if (ret < 0) |
620 | return ret; | |
b0362adb | 621 | |
2428bca3 | 622 | return snd_pcm_hw_constraint_eld(substream->runtime, |
148569fd | 623 | pin->eld.eld_buffer); |
b0362adb SP |
624 | } |
625 | ||
571d5078 JK |
626 | static int hdac_hdmi_trigger(struct snd_pcm_substream *substream, int cmd, |
627 | struct snd_soc_dai *dai) | |
628 | { | |
629 | struct hdac_hdmi_dai_pin_map *dai_map; | |
630 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
631 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
632 | int ret; | |
633 | ||
634 | dai_map = &hdmi->dai_map[dai->id]; | |
635 | if (cmd == SNDRV_PCM_TRIGGER_RESUME) { | |
636 | ret = hdac_hdmi_enable_pin(hdac, dai_map); | |
637 | if (ret < 0) | |
638 | return ret; | |
639 | ||
640 | return hdac_hdmi_playback_prepare(substream, dai); | |
641 | } | |
642 | ||
643 | return 0; | |
644 | } | |
645 | ||
b0362adb SP |
646 | static void hdac_hdmi_pcm_close(struct snd_pcm_substream *substream, |
647 | struct snd_soc_dai *dai) | |
648 | { | |
649 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
650 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
651 | struct hdac_hdmi_dai_pin_map *dai_map; | |
652 | ||
653 | dai_map = &hdmi->dai_map[dai->id]; | |
654 | ||
54dfa1ea SP |
655 | if (dai_map->pin) { |
656 | snd_hdac_codec_write(&hdac->hdac, dai_map->cvt->nid, 0, | |
657 | AC_VERB_SET_CHANNEL_STREAMID, 0); | |
658 | snd_hdac_codec_write(&hdac->hdac, dai_map->cvt->nid, 0, | |
659 | AC_VERB_SET_STREAM_FORMAT, 0); | |
660 | ||
661 | hdac_hdmi_set_power_state(hdac, dai_map, AC_PWRST_D3); | |
b0362adb | 662 | |
54dfa1ea | 663 | snd_hdac_codec_write(&hdac->hdac, dai_map->pin->nid, 0, |
b0362adb | 664 | AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE); |
148569fd | 665 | |
bcced704 SP |
666 | mutex_lock(&dai_map->pin->lock); |
667 | dai_map->pin->channels = 0; | |
668 | mutex_unlock(&dai_map->pin->lock); | |
669 | ||
54dfa1ea SP |
670 | dai_map->pin = NULL; |
671 | } | |
b0362adb SP |
672 | } |
673 | ||
18382ead SP |
674 | static int |
675 | hdac_hdmi_query_cvt_params(struct hdac_device *hdac, struct hdac_hdmi_cvt *cvt) | |
676 | { | |
bcced704 SP |
677 | unsigned int chans; |
678 | struct hdac_ext_device *edev = to_ehdac_device(hdac); | |
679 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
18382ead SP |
680 | int err; |
681 | ||
bcced704 SP |
682 | chans = get_wcaps(hdac, cvt->nid); |
683 | chans = get_wcaps_channels(chans); | |
684 | ||
685 | cvt->params.channels_min = 2; | |
686 | ||
687 | cvt->params.channels_max = chans; | |
688 | if (chans > hdmi->chmap.channels_max) | |
689 | hdmi->chmap.channels_max = chans; | |
18382ead SP |
690 | |
691 | err = snd_hdac_query_supported_pcm(hdac, cvt->nid, | |
692 | &cvt->params.rates, | |
693 | &cvt->params.formats, | |
694 | &cvt->params.maxbps); | |
695 | if (err < 0) | |
696 | dev_err(&hdac->dev, | |
697 | "Failed to query pcm params for nid %d: %d\n", | |
698 | cvt->nid, err); | |
699 | ||
700 | return err; | |
701 | } | |
702 | ||
79f4e922 SP |
703 | static int hdac_hdmi_fill_widget_info(struct device *dev, |
704 | struct snd_soc_dapm_widget *w, | |
705 | enum snd_soc_dapm_type id, void *priv, | |
706 | const char *wname, const char *stream, | |
707 | struct snd_kcontrol_new *wc, int numkc) | |
18382ead SP |
708 | { |
709 | w->id = id; | |
79f4e922 SP |
710 | w->name = devm_kstrdup(dev, wname, GFP_KERNEL); |
711 | if (!w->name) | |
712 | return -ENOMEM; | |
713 | ||
18382ead SP |
714 | w->sname = stream; |
715 | w->reg = SND_SOC_NOPM; | |
716 | w->shift = 0; | |
79f4e922 SP |
717 | w->kcontrol_news = wc; |
718 | w->num_kcontrols = numkc; | |
719 | w->priv = priv; | |
720 | ||
721 | return 0; | |
18382ead SP |
722 | } |
723 | ||
724 | static void hdac_hdmi_fill_route(struct snd_soc_dapm_route *route, | |
79f4e922 SP |
725 | const char *sink, const char *control, const char *src, |
726 | int (*handler)(struct snd_soc_dapm_widget *src, | |
727 | struct snd_soc_dapm_widget *sink)) | |
18382ead SP |
728 | { |
729 | route->sink = sink; | |
730 | route->source = src; | |
731 | route->control = control; | |
79f4e922 | 732 | route->connected = handler; |
18382ead SP |
733 | } |
734 | ||
4a3478de JK |
735 | static struct hdac_hdmi_pcm *hdac_hdmi_get_pcm(struct hdac_ext_device *edev, |
736 | struct hdac_hdmi_pin *pin) | |
737 | { | |
738 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
739 | struct hdac_hdmi_pcm *pcm = NULL; | |
740 | ||
741 | list_for_each_entry(pcm, &hdmi->pcm_list, head) { | |
742 | if (pcm->pin == pin) | |
743 | return pcm; | |
744 | } | |
745 | ||
746 | return NULL; | |
747 | } | |
748 | ||
749 | /* | |
750 | * Based on user selection, map the PINs with the PCMs. | |
751 | */ | |
752 | static int hdac_hdmi_set_pin_mux(struct snd_kcontrol *kcontrol, | |
753 | struct snd_ctl_elem_value *ucontrol) | |
754 | { | |
755 | int ret; | |
756 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
757 | struct snd_soc_dapm_widget *w = snd_soc_dapm_kcontrol_widget(kcontrol); | |
758 | struct snd_soc_dapm_context *dapm = w->dapm; | |
759 | struct hdac_hdmi_pin *pin = w->priv; | |
760 | struct hdac_ext_device *edev = to_hda_ext_device(dapm->dev); | |
761 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
762 | struct hdac_hdmi_pcm *pcm = NULL; | |
763 | const char *cvt_name = e->texts[ucontrol->value.enumerated.item[0]]; | |
764 | ||
765 | ret = snd_soc_dapm_put_enum_double(kcontrol, ucontrol); | |
766 | if (ret < 0) | |
767 | return ret; | |
768 | ||
769 | mutex_lock(&hdmi->pin_mutex); | |
770 | list_for_each_entry(pcm, &hdmi->pcm_list, head) { | |
771 | if (pcm->pin == pin) | |
772 | pcm->pin = NULL; | |
773 | ||
774 | /* | |
775 | * Jack status is not reported during device probe as the | |
776 | * PCMs are not registered by then. So report it here. | |
777 | */ | |
778 | if (!strcmp(cvt_name, pcm->cvt->name) && !pcm->pin) { | |
779 | pcm->pin = pin; | |
780 | if (pin->eld.monitor_present && pin->eld.eld_valid) { | |
781 | dev_dbg(&edev->hdac.dev, | |
782 | "jack report for pcm=%d\n", | |
783 | pcm->pcm_id); | |
784 | ||
785 | snd_jack_report(pcm->jack, SND_JACK_AVOUT); | |
786 | } | |
787 | mutex_unlock(&hdmi->pin_mutex); | |
788 | return ret; | |
789 | } | |
790 | } | |
791 | mutex_unlock(&hdmi->pin_mutex); | |
792 | ||
793 | return ret; | |
794 | } | |
795 | ||
79f4e922 SP |
796 | /* |
797 | * Ideally the Mux inputs should be based on the num_muxs enumerated, but | |
798 | * the display driver seem to be programming the connection list for the pin | |
799 | * widget runtime. | |
800 | * | |
801 | * So programming all the possible inputs for the mux, the user has to take | |
802 | * care of selecting the right one and leaving all other inputs selected to | |
803 | * "NONE" | |
804 | */ | |
805 | static int hdac_hdmi_create_pin_muxs(struct hdac_ext_device *edev, | |
806 | struct hdac_hdmi_pin *pin, | |
807 | struct snd_soc_dapm_widget *widget, | |
808 | const char *widget_name) | |
809 | { | |
810 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
811 | struct snd_kcontrol_new *kc; | |
812 | struct hdac_hdmi_cvt *cvt; | |
813 | struct soc_enum *se; | |
814 | char kc_name[NAME_SIZE]; | |
815 | char mux_items[NAME_SIZE]; | |
816 | /* To hold inputs to the Pin mux */ | |
817 | char *items[HDA_MAX_CONNECTIONS]; | |
818 | int i = 0; | |
819 | int num_items = hdmi->num_cvt + 1; | |
820 | ||
821 | kc = devm_kzalloc(&edev->hdac.dev, sizeof(*kc), GFP_KERNEL); | |
822 | if (!kc) | |
823 | return -ENOMEM; | |
824 | ||
825 | se = devm_kzalloc(&edev->hdac.dev, sizeof(*se), GFP_KERNEL); | |
826 | if (!se) | |
827 | return -ENOMEM; | |
828 | ||
829 | sprintf(kc_name, "Pin %d Input", pin->nid); | |
830 | kc->name = devm_kstrdup(&edev->hdac.dev, kc_name, GFP_KERNEL); | |
831 | if (!kc->name) | |
832 | return -ENOMEM; | |
833 | ||
834 | kc->private_value = (long)se; | |
835 | kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
836 | kc->access = 0; | |
837 | kc->info = snd_soc_info_enum_double; | |
4a3478de | 838 | kc->put = hdac_hdmi_set_pin_mux; |
79f4e922 SP |
839 | kc->get = snd_soc_dapm_get_enum_double; |
840 | ||
841 | se->reg = SND_SOC_NOPM; | |
842 | ||
843 | /* enum texts: ["NONE", "cvt #", "cvt #", ...] */ | |
844 | se->items = num_items; | |
845 | se->mask = roundup_pow_of_two(se->items) - 1; | |
846 | ||
847 | sprintf(mux_items, "NONE"); | |
848 | items[i] = devm_kstrdup(&edev->hdac.dev, mux_items, GFP_KERNEL); | |
849 | if (!items[i]) | |
850 | return -ENOMEM; | |
851 | ||
852 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { | |
853 | i++; | |
854 | sprintf(mux_items, "cvt %d", cvt->nid); | |
855 | items[i] = devm_kstrdup(&edev->hdac.dev, mux_items, GFP_KERNEL); | |
856 | if (!items[i]) | |
857 | return -ENOMEM; | |
858 | } | |
859 | ||
860 | se->texts = devm_kmemdup(&edev->hdac.dev, items, | |
861 | (num_items * sizeof(char *)), GFP_KERNEL); | |
862 | if (!se->texts) | |
863 | return -ENOMEM; | |
864 | ||
865 | return hdac_hdmi_fill_widget_info(&edev->hdac.dev, widget, | |
4a3478de | 866 | snd_soc_dapm_mux, pin, widget_name, NULL, kc, 1); |
79f4e922 SP |
867 | } |
868 | ||
869 | /* Add cvt <- input <- mux route map */ | |
870 | static void hdac_hdmi_add_pinmux_cvt_route(struct hdac_ext_device *edev, | |
871 | struct snd_soc_dapm_widget *widgets, | |
872 | struct snd_soc_dapm_route *route, int rindex) | |
873 | { | |
874 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
875 | const struct snd_kcontrol_new *kc; | |
876 | struct soc_enum *se; | |
877 | int mux_index = hdmi->num_cvt + hdmi->num_pin; | |
878 | int i, j; | |
879 | ||
880 | for (i = 0; i < hdmi->num_pin; i++) { | |
881 | kc = widgets[mux_index].kcontrol_news; | |
882 | se = (struct soc_enum *)kc->private_value; | |
883 | for (j = 0; j < hdmi->num_cvt; j++) { | |
884 | hdac_hdmi_fill_route(&route[rindex], | |
885 | widgets[mux_index].name, | |
886 | se->texts[j + 1], | |
887 | widgets[j].name, NULL); | |
888 | ||
889 | rindex++; | |
890 | } | |
891 | ||
892 | mux_index++; | |
893 | } | |
894 | } | |
895 | ||
896 | /* | |
897 | * Widgets are added in the below sequence | |
898 | * Converter widgets for num converters enumerated | |
899 | * Pin widgets for num pins enumerated | |
900 | * Pin mux widgets to represent connenction list of pin widget | |
901 | * | |
902 | * Total widgets elements = num_cvt + num_pin + num_pin; | |
903 | * | |
904 | * Routes are added as below: | |
905 | * pin mux -> pin (based on num_pins) | |
906 | * cvt -> "Input sel control" -> pin_mux | |
907 | * | |
908 | * Total route elements: | |
909 | * num_pins + (pin_muxes * num_cvt) | |
910 | */ | |
911 | static int create_fill_widget_route_map(struct snd_soc_dapm_context *dapm) | |
18382ead | 912 | { |
79f4e922 SP |
913 | struct snd_soc_dapm_widget *widgets; |
914 | struct snd_soc_dapm_route *route; | |
915 | struct hdac_ext_device *edev = to_hda_ext_device(dapm->dev); | |
916 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
917 | struct snd_soc_dai_driver *dai_drv = dapm->component->dai_drv; | |
918 | char widget_name[NAME_SIZE]; | |
919 | struct hdac_hdmi_cvt *cvt; | |
920 | struct hdac_hdmi_pin *pin; | |
921 | int ret, i = 0, num_routes = 0; | |
18382ead | 922 | |
79f4e922 SP |
923 | if (list_empty(&hdmi->cvt_list) || list_empty(&hdmi->pin_list)) |
924 | return -EINVAL; | |
18382ead | 925 | |
79f4e922 SP |
926 | widgets = devm_kzalloc(dapm->dev, |
927 | (sizeof(*widgets) * ((2 * hdmi->num_pin) + hdmi->num_cvt)), | |
928 | GFP_KERNEL); | |
18382ead | 929 | |
79f4e922 SP |
930 | if (!widgets) |
931 | return -ENOMEM; | |
932 | ||
933 | /* DAPM widgets to represent each converter widget */ | |
934 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { | |
935 | sprintf(widget_name, "Converter %d", cvt->nid); | |
936 | ret = hdac_hdmi_fill_widget_info(dapm->dev, &widgets[i], | |
937 | snd_soc_dapm_aif_in, &cvt->nid, | |
938 | widget_name, dai_drv[i].playback.stream_name, NULL, 0); | |
939 | if (ret < 0) | |
940 | return ret; | |
941 | i++; | |
942 | } | |
943 | ||
944 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
945 | sprintf(widget_name, "hif%d Output", pin->nid); | |
946 | ret = hdac_hdmi_fill_widget_info(dapm->dev, &widgets[i], | |
947 | snd_soc_dapm_output, &pin->nid, | |
948 | widget_name, NULL, NULL, 0); | |
949 | if (ret < 0) | |
950 | return ret; | |
951 | i++; | |
952 | } | |
953 | ||
954 | /* DAPM widgets to represent the connection list to pin widget */ | |
955 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
956 | sprintf(widget_name, "Pin %d Mux", pin->nid); | |
957 | ret = hdac_hdmi_create_pin_muxs(edev, pin, &widgets[i], | |
958 | widget_name); | |
959 | if (ret < 0) | |
960 | return ret; | |
961 | i++; | |
962 | ||
963 | /* For cvt to pin_mux mapping */ | |
964 | num_routes += hdmi->num_cvt; | |
965 | ||
966 | /* For pin_mux to pin mapping */ | |
967 | num_routes++; | |
968 | } | |
969 | ||
970 | route = devm_kzalloc(dapm->dev, (sizeof(*route) * num_routes), | |
971 | GFP_KERNEL); | |
972 | if (!route) | |
973 | return -ENOMEM; | |
974 | ||
975 | i = 0; | |
976 | /* Add pin <- NULL <- mux route map */ | |
977 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
978 | int sink_index = i + hdmi->num_cvt; | |
979 | int src_index = sink_index + hdmi->num_pin; | |
980 | ||
981 | hdac_hdmi_fill_route(&route[i], | |
982 | widgets[sink_index].name, NULL, | |
983 | widgets[src_index].name, NULL); | |
984 | i++; | |
985 | ||
986 | } | |
987 | ||
988 | hdac_hdmi_add_pinmux_cvt_route(edev, widgets, route, i); | |
989 | ||
990 | snd_soc_dapm_new_controls(dapm, widgets, | |
991 | ((2 * hdmi->num_pin) + hdmi->num_cvt)); | |
992 | ||
993 | snd_soc_dapm_add_routes(dapm, route, num_routes); | |
994 | snd_soc_dapm_new_widgets(dapm->card); | |
995 | ||
996 | return 0; | |
18382ead | 997 | |
18382ead SP |
998 | } |
999 | ||
15b91447 | 1000 | static int hdac_hdmi_init_dai_map(struct hdac_ext_device *edev) |
18382ead | 1001 | { |
15b91447 | 1002 | struct hdac_hdmi_priv *hdmi = edev->private_data; |
148569fd | 1003 | struct hdac_hdmi_dai_pin_map *dai_map; |
15b91447 | 1004 | struct hdac_hdmi_cvt *cvt; |
148569fd | 1005 | int dai_id = 0; |
18382ead | 1006 | |
148569fd | 1007 | if (list_empty(&hdmi->cvt_list)) |
15b91447 | 1008 | return -EINVAL; |
18382ead | 1009 | |
148569fd SP |
1010 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { |
1011 | dai_map = &hdmi->dai_map[dai_id]; | |
1012 | dai_map->dai_id = dai_id; | |
1013 | dai_map->cvt = cvt; | |
18382ead | 1014 | |
148569fd | 1015 | dai_id++; |
18382ead | 1016 | |
148569fd SP |
1017 | if (dai_id == HDA_MAX_CVTS) { |
1018 | dev_warn(&edev->hdac.dev, | |
1019 | "Max dais supported: %d\n", dai_id); | |
1020 | break; | |
1021 | } | |
1022 | } | |
18382ead | 1023 | |
15b91447 SP |
1024 | return 0; |
1025 | } | |
1026 | ||
1027 | static int hdac_hdmi_add_cvt(struct hdac_ext_device *edev, hda_nid_t nid) | |
1028 | { | |
1029 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1030 | struct hdac_hdmi_cvt *cvt; | |
4a3478de | 1031 | char name[NAME_SIZE]; |
15b91447 SP |
1032 | |
1033 | cvt = kzalloc(sizeof(*cvt), GFP_KERNEL); | |
1034 | if (!cvt) | |
1035 | return -ENOMEM; | |
1036 | ||
1037 | cvt->nid = nid; | |
4a3478de JK |
1038 | sprintf(name, "cvt %d", cvt->nid); |
1039 | cvt->name = kstrdup(name, GFP_KERNEL); | |
15b91447 SP |
1040 | |
1041 | list_add_tail(&cvt->head, &hdmi->cvt_list); | |
1042 | hdmi->num_cvt++; | |
1043 | ||
1044 | return hdac_hdmi_query_cvt_params(&edev->hdac, cvt); | |
1045 | } | |
1046 | ||
b7756ede SP |
1047 | static void hdac_hdmi_parse_eld(struct hdac_ext_device *edev, |
1048 | struct hdac_hdmi_pin *pin) | |
1049 | { | |
1050 | pin->eld.info.spk_alloc = pin->eld.eld_buffer[DRM_ELD_SPEAKER]; | |
1051 | } | |
1052 | ||
b8a54545 SP |
1053 | static void hdac_hdmi_present_sense(struct hdac_hdmi_pin *pin, int repoll) |
1054 | { | |
1055 | struct hdac_ext_device *edev = pin->edev; | |
4a3478de JK |
1056 | struct hdac_hdmi_priv *hdmi = edev->private_data; |
1057 | struct hdac_hdmi_pcm *pcm; | |
b8a54545 SP |
1058 | int val; |
1059 | ||
b8a54545 SP |
1060 | pin->repoll_count = repoll; |
1061 | ||
1062 | pm_runtime_get_sync(&edev->hdac.dev); | |
1063 | val = snd_hdac_codec_read(&edev->hdac, pin->nid, 0, | |
1064 | AC_VERB_GET_PIN_SENSE, 0); | |
1065 | ||
1066 | dev_dbg(&edev->hdac.dev, "Pin sense val %x for pin: %d\n", | |
1067 | val, pin->nid); | |
1068 | ||
4a3478de JK |
1069 | |
1070 | mutex_lock(&hdmi->pin_mutex); | |
b8a54545 SP |
1071 | pin->eld.monitor_present = !!(val & AC_PINSENSE_PRESENCE); |
1072 | pin->eld.eld_valid = !!(val & AC_PINSENSE_ELDV); | |
1073 | ||
4a3478de JK |
1074 | pcm = hdac_hdmi_get_pcm(edev, pin); |
1075 | ||
b8a54545 SP |
1076 | if (!pin->eld.monitor_present || !pin->eld.eld_valid) { |
1077 | ||
1078 | dev_dbg(&edev->hdac.dev, "%s: disconnect for pin %d\n", | |
1079 | __func__, pin->nid); | |
4a3478de JK |
1080 | |
1081 | /* | |
1082 | * PCMs are not registered during device probe, so don't | |
1083 | * report jack here. It will be done in usermode mux | |
1084 | * control select. | |
1085 | */ | |
1086 | if (pcm) { | |
1087 | dev_dbg(&edev->hdac.dev, | |
1088 | "jack report for pcm=%d\n", pcm->pcm_id); | |
1089 | ||
1090 | snd_jack_report(pcm->jack, 0); | |
1091 | } | |
1092 | ||
1093 | mutex_unlock(&hdmi->pin_mutex); | |
b8a54545 SP |
1094 | goto put_hdac_device; |
1095 | } | |
1096 | ||
1097 | if (pin->eld.monitor_present && pin->eld.eld_valid) { | |
1098 | /* TODO: use i915 component for reading ELD later */ | |
1099 | if (hdac_hdmi_get_eld(&edev->hdac, pin->nid, | |
1100 | pin->eld.eld_buffer, | |
1101 | &pin->eld.eld_size) == 0) { | |
1102 | ||
4a3478de JK |
1103 | if (pcm) { |
1104 | dev_dbg(&edev->hdac.dev, | |
1105 | "jack report for pcm=%d\n", | |
1106 | pcm->pcm_id); | |
1107 | ||
1108 | snd_jack_report(pcm->jack, SND_JACK_AVOUT); | |
1109 | } | |
b7756ede | 1110 | hdac_hdmi_parse_eld(edev, pin); |
4a3478de | 1111 | |
b8a54545 SP |
1112 | print_hex_dump_bytes("ELD: ", DUMP_PREFIX_OFFSET, |
1113 | pin->eld.eld_buffer, pin->eld.eld_size); | |
1114 | } else { | |
1115 | pin->eld.monitor_present = false; | |
1116 | pin->eld.eld_valid = false; | |
4a3478de JK |
1117 | |
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, 0); | |
1124 | } | |
b8a54545 SP |
1125 | } |
1126 | } | |
1127 | ||
4a3478de JK |
1128 | mutex_unlock(&hdmi->pin_mutex); |
1129 | ||
b8a54545 SP |
1130 | /* |
1131 | * Sometimes the pin_sense may present invalid monitor | |
1132 | * present and eld_valid. If ELD data is not valid, loop few | |
1133 | * more times to get correct pin sense and valid ELD. | |
1134 | */ | |
1135 | if ((!pin->eld.monitor_present || !pin->eld.eld_valid) && repoll) | |
1136 | schedule_delayed_work(&pin->work, msecs_to_jiffies(300)); | |
1137 | ||
1138 | put_hdac_device: | |
1139 | pm_runtime_put_sync(&edev->hdac.dev); | |
1140 | } | |
1141 | ||
1142 | static void hdac_hdmi_repoll_eld(struct work_struct *work) | |
1143 | { | |
1144 | struct hdac_hdmi_pin *pin = | |
1145 | container_of(to_delayed_work(work), struct hdac_hdmi_pin, work); | |
1146 | ||
1147 | /* picked from legacy HDA driver */ | |
1148 | if (pin->repoll_count++ > 6) | |
1149 | pin->repoll_count = 0; | |
1150 | ||
1151 | hdac_hdmi_present_sense(pin, pin->repoll_count); | |
1152 | } | |
1153 | ||
15b91447 SP |
1154 | static int hdac_hdmi_add_pin(struct hdac_ext_device *edev, hda_nid_t nid) |
1155 | { | |
1156 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1157 | struct hdac_hdmi_pin *pin; | |
1158 | ||
1159 | pin = kzalloc(sizeof(*pin), GFP_KERNEL); | |
1160 | if (!pin) | |
1161 | return -ENOMEM; | |
1162 | ||
1163 | pin->nid = nid; | |
1164 | ||
1165 | list_add_tail(&pin->head, &hdmi->pin_list); | |
1166 | hdmi->num_pin++; | |
1167 | ||
b8a54545 | 1168 | pin->edev = edev; |
bcced704 | 1169 | mutex_init(&pin->lock); |
b8a54545 SP |
1170 | INIT_DELAYED_WORK(&pin->work, hdac_hdmi_repoll_eld); |
1171 | ||
15b91447 | 1172 | return 0; |
18382ead SP |
1173 | } |
1174 | ||
211caab7 SP |
1175 | #define INTEL_VENDOR_NID 0x08 |
1176 | #define INTEL_GET_VENDOR_VERB 0xf81 | |
1177 | #define INTEL_SET_VENDOR_VERB 0x781 | |
1178 | #define INTEL_EN_DP12 0x02 /* enable DP 1.2 features */ | |
1179 | #define INTEL_EN_ALL_PIN_CVTS 0x01 /* enable 2nd & 3rd pins and convertors */ | |
1180 | ||
1181 | static void hdac_hdmi_skl_enable_all_pins(struct hdac_device *hdac) | |
1182 | { | |
1183 | unsigned int vendor_param; | |
1184 | ||
1185 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
1186 | INTEL_GET_VENDOR_VERB, 0); | |
1187 | if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS) | |
1188 | return; | |
1189 | ||
1190 | vendor_param |= INTEL_EN_ALL_PIN_CVTS; | |
1191 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
1192 | INTEL_SET_VENDOR_VERB, vendor_param); | |
1193 | if (vendor_param == -1) | |
1194 | return; | |
1195 | } | |
1196 | ||
1197 | static void hdac_hdmi_skl_enable_dp12(struct hdac_device *hdac) | |
1198 | { | |
1199 | unsigned int vendor_param; | |
1200 | ||
1201 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
1202 | INTEL_GET_VENDOR_VERB, 0); | |
1203 | if (vendor_param == -1 || vendor_param & INTEL_EN_DP12) | |
1204 | return; | |
1205 | ||
1206 | /* enable DP1.2 mode */ | |
1207 | vendor_param |= INTEL_EN_DP12; | |
1208 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
1209 | INTEL_SET_VENDOR_VERB, vendor_param); | |
1210 | if (vendor_param == -1) | |
1211 | return; | |
1212 | ||
1213 | } | |
1214 | ||
17a42c45 SP |
1215 | static struct snd_soc_dai_ops hdmi_dai_ops = { |
1216 | .startup = hdac_hdmi_pcm_open, | |
1217 | .shutdown = hdac_hdmi_pcm_close, | |
1218 | .hw_params = hdac_hdmi_set_hw_params, | |
1219 | .prepare = hdac_hdmi_playback_prepare, | |
571d5078 | 1220 | .trigger = hdac_hdmi_trigger, |
17a42c45 SP |
1221 | .hw_free = hdac_hdmi_playback_cleanup, |
1222 | }; | |
1223 | ||
1224 | /* | |
1225 | * Each converter can support a stream independently. So a dai is created | |
1226 | * based on the number of converter queried. | |
1227 | */ | |
1228 | static int hdac_hdmi_create_dais(struct hdac_device *hdac, | |
1229 | struct snd_soc_dai_driver **dais, | |
1230 | struct hdac_hdmi_priv *hdmi, int num_dais) | |
1231 | { | |
1232 | struct snd_soc_dai_driver *hdmi_dais; | |
1233 | struct hdac_hdmi_cvt *cvt; | |
1234 | char name[NAME_SIZE], dai_name[NAME_SIZE]; | |
1235 | int i = 0; | |
1236 | u32 rates, bps; | |
1237 | unsigned int rate_max = 384000, rate_min = 8000; | |
1238 | u64 formats; | |
1239 | int ret; | |
1240 | ||
1241 | hdmi_dais = devm_kzalloc(&hdac->dev, | |
1242 | (sizeof(*hdmi_dais) * num_dais), | |
1243 | GFP_KERNEL); | |
1244 | if (!hdmi_dais) | |
1245 | return -ENOMEM; | |
1246 | ||
1247 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { | |
1248 | ret = snd_hdac_query_supported_pcm(hdac, cvt->nid, | |
1249 | &rates, &formats, &bps); | |
1250 | if (ret) | |
1251 | return ret; | |
1252 | ||
1253 | sprintf(dai_name, "intel-hdmi-hifi%d", i+1); | |
1254 | hdmi_dais[i].name = devm_kstrdup(&hdac->dev, | |
1255 | dai_name, GFP_KERNEL); | |
1256 | ||
1257 | if (!hdmi_dais[i].name) | |
1258 | return -ENOMEM; | |
1259 | ||
1260 | snprintf(name, sizeof(name), "hifi%d", i+1); | |
1261 | hdmi_dais[i].playback.stream_name = | |
1262 | devm_kstrdup(&hdac->dev, name, GFP_KERNEL); | |
1263 | if (!hdmi_dais[i].playback.stream_name) | |
1264 | return -ENOMEM; | |
1265 | ||
1266 | /* | |
1267 | * Set caps based on capability queried from the converter. | |
1268 | * It will be constrained runtime based on ELD queried. | |
1269 | */ | |
1270 | hdmi_dais[i].playback.formats = formats; | |
1271 | hdmi_dais[i].playback.rates = rates; | |
1272 | hdmi_dais[i].playback.rate_max = rate_max; | |
1273 | hdmi_dais[i].playback.rate_min = rate_min; | |
1274 | hdmi_dais[i].playback.channels_min = 2; | |
1275 | hdmi_dais[i].playback.channels_max = 2; | |
1276 | hdmi_dais[i].ops = &hdmi_dai_ops; | |
1277 | ||
1278 | i++; | |
1279 | } | |
1280 | ||
1281 | *dais = hdmi_dais; | |
1282 | ||
1283 | return 0; | |
1284 | } | |
1285 | ||
18382ead SP |
1286 | /* |
1287 | * Parse all nodes and store the cvt/pin nids in array | |
1288 | * Add one time initialization for pin and cvt widgets | |
1289 | */ | |
17a42c45 SP |
1290 | static int hdac_hdmi_parse_and_map_nid(struct hdac_ext_device *edev, |
1291 | struct snd_soc_dai_driver **dais, int *num_dais) | |
18382ead SP |
1292 | { |
1293 | hda_nid_t nid; | |
3c83ac23 | 1294 | int i, num_nodes; |
18382ead SP |
1295 | struct hdac_device *hdac = &edev->hdac; |
1296 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
15b91447 | 1297 | int ret; |
18382ead | 1298 | |
211caab7 SP |
1299 | hdac_hdmi_skl_enable_all_pins(hdac); |
1300 | hdac_hdmi_skl_enable_dp12(hdac); | |
1301 | ||
3c83ac23 | 1302 | num_nodes = snd_hdac_get_sub_nodes(hdac, hdac->afg, &nid); |
541140d4 | 1303 | if (!nid || num_nodes <= 0) { |
18382ead SP |
1304 | dev_warn(&hdac->dev, "HDMI: failed to get afg sub nodes\n"); |
1305 | return -EINVAL; | |
1306 | } | |
1307 | ||
3c83ac23 | 1308 | hdac->num_nodes = num_nodes; |
18382ead SP |
1309 | hdac->start_nid = nid; |
1310 | ||
1311 | for (i = 0; i < hdac->num_nodes; i++, nid++) { | |
1312 | unsigned int caps; | |
1313 | unsigned int type; | |
1314 | ||
1315 | caps = get_wcaps(hdac, nid); | |
1316 | type = get_wcaps_type(caps); | |
1317 | ||
1318 | if (!(caps & AC_WCAP_DIGITAL)) | |
1319 | continue; | |
1320 | ||
1321 | switch (type) { | |
1322 | ||
1323 | case AC_WID_AUD_OUT: | |
15b91447 SP |
1324 | ret = hdac_hdmi_add_cvt(edev, nid); |
1325 | if (ret < 0) | |
1326 | return ret; | |
18382ead SP |
1327 | break; |
1328 | ||
1329 | case AC_WID_PIN: | |
15b91447 SP |
1330 | ret = hdac_hdmi_add_pin(edev, nid); |
1331 | if (ret < 0) | |
1332 | return ret; | |
18382ead SP |
1333 | break; |
1334 | } | |
1335 | } | |
1336 | ||
1337 | hdac->end_nid = nid; | |
1338 | ||
15b91447 | 1339 | if (!hdmi->num_pin || !hdmi->num_cvt) |
18382ead SP |
1340 | return -EIO; |
1341 | ||
17a42c45 SP |
1342 | ret = hdac_hdmi_create_dais(hdac, dais, hdmi, hdmi->num_cvt); |
1343 | if (ret) { | |
1344 | dev_err(&hdac->dev, "Failed to create dais with err: %d\n", | |
1345 | ret); | |
1346 | return ret; | |
1347 | } | |
1348 | ||
1349 | *num_dais = hdmi->num_cvt; | |
1350 | ||
15b91447 | 1351 | return hdac_hdmi_init_dai_map(edev); |
18382ead SP |
1352 | } |
1353 | ||
b8a54545 SP |
1354 | static void hdac_hdmi_eld_notify_cb(void *aptr, int port) |
1355 | { | |
1356 | struct hdac_ext_device *edev = aptr; | |
1357 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1358 | struct hdac_hdmi_pin *pin; | |
1359 | struct snd_soc_codec *codec = edev->scodec; | |
1360 | ||
1361 | /* Don't know how this mapping is derived */ | |
1362 | hda_nid_t pin_nid = port + 0x04; | |
1363 | ||
1364 | dev_dbg(&edev->hdac.dev, "%s: for pin: %d\n", __func__, pin_nid); | |
1365 | ||
1366 | /* | |
1367 | * skip notification during system suspend (but not in runtime PM); | |
1368 | * the state will be updated at resume. Also since the ELD and | |
1369 | * connection states are updated in anyway at the end of the resume, | |
1370 | * we can skip it when received during PM process. | |
1371 | */ | |
1372 | if (snd_power_get_state(codec->component.card->snd_card) != | |
1373 | SNDRV_CTL_POWER_D0) | |
1374 | return; | |
1375 | ||
1376 | if (atomic_read(&edev->hdac.in_pm)) | |
1377 | return; | |
1378 | ||
1379 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
1380 | if (pin->nid == pin_nid) | |
1381 | hdac_hdmi_present_sense(pin, 1); | |
1382 | } | |
1383 | } | |
1384 | ||
1385 | static struct i915_audio_component_audio_ops aops = { | |
1386 | .pin_eld_notify = hdac_hdmi_eld_notify_cb, | |
1387 | }; | |
1388 | ||
4a3478de JK |
1389 | int hdac_hdmi_jack_init(struct snd_soc_dai *dai, int device) |
1390 | { | |
1391 | char jack_name[NAME_SIZE]; | |
1392 | struct snd_soc_codec *codec = dai->codec; | |
1393 | struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); | |
1394 | struct snd_soc_dapm_context *dapm = | |
1395 | snd_soc_component_get_dapm(&codec->component); | |
1396 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1397 | struct hdac_hdmi_pcm *pcm; | |
1398 | ||
1399 | /* | |
1400 | * this is a new PCM device, create new pcm and | |
1401 | * add to the pcm list | |
1402 | */ | |
1403 | pcm = kzalloc(sizeof(*pcm), GFP_KERNEL); | |
1404 | if (!pcm) | |
1405 | return -ENOMEM; | |
1406 | pcm->pcm_id = device; | |
1407 | pcm->cvt = hdmi->dai_map[dai->id].cvt; | |
1408 | ||
1409 | list_add_tail(&pcm->head, &hdmi->pcm_list); | |
1410 | ||
1411 | sprintf(jack_name, "HDMI/DP, pcm=%d Jack", device); | |
1412 | ||
1413 | return snd_jack_new(dapm->card->snd_card, jack_name, | |
1414 | SND_JACK_AVOUT, &pcm->jack, true, false); | |
1415 | } | |
1416 | EXPORT_SYMBOL_GPL(hdac_hdmi_jack_init); | |
1417 | ||
18382ead SP |
1418 | static int hdmi_codec_probe(struct snd_soc_codec *codec) |
1419 | { | |
1420 | struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); | |
1421 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1422 | struct snd_soc_dapm_context *dapm = | |
1423 | snd_soc_component_get_dapm(&codec->component); | |
b8a54545 SP |
1424 | struct hdac_hdmi_pin *pin; |
1425 | int ret; | |
18382ead SP |
1426 | |
1427 | edev->scodec = codec; | |
1428 | ||
79f4e922 SP |
1429 | ret = create_fill_widget_route_map(dapm); |
1430 | if (ret < 0) | |
1431 | return ret; | |
18382ead | 1432 | |
b8a54545 SP |
1433 | aops.audio_ptr = edev; |
1434 | ret = snd_hdac_i915_register_notifier(&aops); | |
1435 | if (ret < 0) { | |
1436 | dev_err(&edev->hdac.dev, "notifier register failed: err: %d\n", | |
1437 | ret); | |
1438 | return ret; | |
1439 | } | |
1440 | ||
1441 | list_for_each_entry(pin, &hdmi->pin_list, head) | |
1442 | hdac_hdmi_present_sense(pin, 1); | |
1443 | ||
18382ead SP |
1444 | /* Imp: Store the card pointer in hda_codec */ |
1445 | edev->card = dapm->card->snd_card; | |
1446 | ||
e342ac08 SP |
1447 | /* |
1448 | * hdac_device core already sets the state to active and calls | |
1449 | * get_noresume. So enable runtime and set the device to suspend. | |
1450 | */ | |
1451 | pm_runtime_enable(&edev->hdac.dev); | |
1452 | pm_runtime_put(&edev->hdac.dev); | |
1453 | pm_runtime_suspend(&edev->hdac.dev); | |
1454 | ||
1455 | return 0; | |
1456 | } | |
1457 | ||
1458 | static int hdmi_codec_remove(struct snd_soc_codec *codec) | |
1459 | { | |
1460 | struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); | |
1461 | ||
1462 | pm_runtime_disable(&edev->hdac.dev); | |
18382ead SP |
1463 | return 0; |
1464 | } | |
1465 | ||
571d5078 JK |
1466 | #ifdef CONFIG_PM |
1467 | static int hdmi_codec_resume(struct snd_soc_codec *codec) | |
1468 | { | |
1469 | struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); | |
1470 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1471 | struct hdac_hdmi_pin *pin; | |
1472 | struct hdac_device *hdac = &edev->hdac; | |
1473 | struct hdac_bus *bus = hdac->bus; | |
1474 | int err; | |
1475 | unsigned long timeout; | |
1476 | ||
1477 | hdac_hdmi_skl_enable_all_pins(&edev->hdac); | |
1478 | hdac_hdmi_skl_enable_dp12(&edev->hdac); | |
1479 | ||
1480 | /* Power up afg */ | |
1481 | if (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D0)) { | |
1482 | ||
1483 | snd_hdac_codec_write(hdac, hdac->afg, 0, | |
1484 | AC_VERB_SET_POWER_STATE, AC_PWRST_D0); | |
1485 | ||
1486 | /* Wait till power state is set to D0 */ | |
1487 | timeout = jiffies + msecs_to_jiffies(1000); | |
1488 | while (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D0) | |
1489 | && time_before(jiffies, timeout)) { | |
1490 | msleep(50); | |
1491 | } | |
1492 | } | |
1493 | ||
1494 | /* | |
1495 | * As the ELD notify callback request is not entertained while the | |
1496 | * device is in suspend state. Need to manually check detection of | |
1497 | * all pins here. | |
1498 | */ | |
1499 | list_for_each_entry(pin, &hdmi->pin_list, head) | |
1500 | hdac_hdmi_present_sense(pin, 1); | |
1501 | ||
1502 | /* | |
1503 | * Codec power is turned ON during controller resume. | |
1504 | * Turn it OFF here | |
1505 | */ | |
1506 | err = snd_hdac_display_power(bus, false); | |
1507 | if (err < 0) { | |
1508 | dev_err(bus->dev, | |
1509 | "Cannot turn OFF display power on i915, err: %d\n", | |
1510 | err); | |
1511 | return err; | |
1512 | } | |
1513 | ||
1514 | return 0; | |
1515 | } | |
1516 | #else | |
1517 | #define hdmi_codec_resume NULL | |
1518 | #endif | |
1519 | ||
18382ead SP |
1520 | static struct snd_soc_codec_driver hdmi_hda_codec = { |
1521 | .probe = hdmi_codec_probe, | |
e342ac08 | 1522 | .remove = hdmi_codec_remove, |
571d5078 | 1523 | .resume = hdmi_codec_resume, |
18382ead SP |
1524 | .idle_bias_off = true, |
1525 | }; | |
1526 | ||
18382ead SP |
1527 | static int hdac_hdmi_dev_probe(struct hdac_ext_device *edev) |
1528 | { | |
1529 | struct hdac_device *codec = &edev->hdac; | |
1530 | struct hdac_hdmi_priv *hdmi_priv; | |
17a42c45 SP |
1531 | struct snd_soc_dai_driver *hdmi_dais = NULL; |
1532 | int num_dais = 0; | |
18382ead SP |
1533 | int ret = 0; |
1534 | ||
1535 | hdmi_priv = devm_kzalloc(&codec->dev, sizeof(*hdmi_priv), GFP_KERNEL); | |
1536 | if (hdmi_priv == NULL) | |
1537 | return -ENOMEM; | |
1538 | ||
1539 | edev->private_data = hdmi_priv; | |
bcced704 | 1540 | snd_hdac_register_chmap_ops(codec, &hdmi_priv->chmap); |
18382ead SP |
1541 | |
1542 | dev_set_drvdata(&codec->dev, edev); | |
1543 | ||
15b91447 SP |
1544 | INIT_LIST_HEAD(&hdmi_priv->pin_list); |
1545 | INIT_LIST_HEAD(&hdmi_priv->cvt_list); | |
4a3478de JK |
1546 | INIT_LIST_HEAD(&hdmi_priv->pcm_list); |
1547 | mutex_init(&hdmi_priv->pin_mutex); | |
15b91447 | 1548 | |
aeaccef0 RB |
1549 | /* |
1550 | * Turned off in the runtime_suspend during the first explicit | |
1551 | * pm_runtime_suspend call. | |
1552 | */ | |
1553 | ret = snd_hdac_display_power(edev->hdac.bus, true); | |
1554 | if (ret < 0) { | |
1555 | dev_err(&edev->hdac.dev, | |
1556 | "Cannot turn on display power on i915 err: %d\n", | |
1557 | ret); | |
1558 | return ret; | |
1559 | } | |
1560 | ||
17a42c45 SP |
1561 | ret = hdac_hdmi_parse_and_map_nid(edev, &hdmi_dais, &num_dais); |
1562 | if (ret < 0) { | |
1563 | dev_err(&codec->dev, | |
1564 | "Failed in parse and map nid with err: %d\n", ret); | |
18382ead | 1565 | return ret; |
17a42c45 | 1566 | } |
18382ead SP |
1567 | |
1568 | /* ASoC specific initialization */ | |
1569 | return snd_soc_register_codec(&codec->dev, &hdmi_hda_codec, | |
17a42c45 | 1570 | hdmi_dais, num_dais); |
18382ead SP |
1571 | } |
1572 | ||
1573 | static int hdac_hdmi_dev_remove(struct hdac_ext_device *edev) | |
1574 | { | |
15b91447 SP |
1575 | struct hdac_hdmi_priv *hdmi = edev->private_data; |
1576 | struct hdac_hdmi_pin *pin, *pin_next; | |
1577 | struct hdac_hdmi_cvt *cvt, *cvt_next; | |
4a3478de | 1578 | struct hdac_hdmi_pcm *pcm, *pcm_next; |
15b91447 | 1579 | |
18382ead SP |
1580 | snd_soc_unregister_codec(&edev->hdac.dev); |
1581 | ||
4a3478de JK |
1582 | list_for_each_entry_safe(pcm, pcm_next, &hdmi->pcm_list, head) { |
1583 | pcm->cvt = NULL; | |
1584 | pcm->pin = NULL; | |
1585 | list_del(&pcm->head); | |
1586 | kfree(pcm); | |
1587 | } | |
1588 | ||
15b91447 SP |
1589 | list_for_each_entry_safe(cvt, cvt_next, &hdmi->cvt_list, head) { |
1590 | list_del(&cvt->head); | |
4a3478de | 1591 | kfree(cvt->name); |
15b91447 SP |
1592 | kfree(cvt); |
1593 | } | |
1594 | ||
1595 | list_for_each_entry_safe(pin, pin_next, &hdmi->pin_list, head) { | |
1596 | list_del(&pin->head); | |
1597 | kfree(pin); | |
1598 | } | |
1599 | ||
18382ead SP |
1600 | return 0; |
1601 | } | |
1602 | ||
e342ac08 SP |
1603 | #ifdef CONFIG_PM |
1604 | static int hdac_hdmi_runtime_suspend(struct device *dev) | |
1605 | { | |
1606 | struct hdac_ext_device *edev = to_hda_ext_device(dev); | |
1607 | struct hdac_device *hdac = &edev->hdac; | |
07f083ab | 1608 | struct hdac_bus *bus = hdac->bus; |
7ed49700 | 1609 | unsigned long timeout; |
07f083ab | 1610 | int err; |
e342ac08 SP |
1611 | |
1612 | dev_dbg(dev, "Enter: %s\n", __func__); | |
1613 | ||
07f083ab SP |
1614 | /* controller may not have been initialized for the first time */ |
1615 | if (!bus) | |
1616 | return 0; | |
1617 | ||
e342ac08 | 1618 | /* Power down afg */ |
7ed49700 | 1619 | if (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D3)) { |
e342ac08 SP |
1620 | snd_hdac_codec_write(hdac, hdac->afg, 0, |
1621 | AC_VERB_SET_POWER_STATE, AC_PWRST_D3); | |
1622 | ||
7ed49700 SP |
1623 | /* Wait till power state is set to D3 */ |
1624 | timeout = jiffies + msecs_to_jiffies(1000); | |
1625 | while (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D3) | |
1626 | && time_before(jiffies, timeout)) { | |
1627 | ||
1628 | msleep(50); | |
1629 | } | |
1630 | } | |
1631 | ||
07f083ab SP |
1632 | err = snd_hdac_display_power(bus, false); |
1633 | if (err < 0) { | |
1634 | dev_err(bus->dev, "Cannot turn on display power on i915\n"); | |
1635 | return err; | |
1636 | } | |
1637 | ||
e342ac08 SP |
1638 | return 0; |
1639 | } | |
1640 | ||
1641 | static int hdac_hdmi_runtime_resume(struct device *dev) | |
1642 | { | |
1643 | struct hdac_ext_device *edev = to_hda_ext_device(dev); | |
1644 | struct hdac_device *hdac = &edev->hdac; | |
07f083ab SP |
1645 | struct hdac_bus *bus = hdac->bus; |
1646 | int err; | |
e342ac08 SP |
1647 | |
1648 | dev_dbg(dev, "Enter: %s\n", __func__); | |
1649 | ||
07f083ab SP |
1650 | /* controller may not have been initialized for the first time */ |
1651 | if (!bus) | |
1652 | return 0; | |
1653 | ||
1654 | err = snd_hdac_display_power(bus, true); | |
1655 | if (err < 0) { | |
1656 | dev_err(bus->dev, "Cannot turn on display power on i915\n"); | |
1657 | return err; | |
1658 | } | |
1659 | ||
ab85f5b3 SP |
1660 | hdac_hdmi_skl_enable_all_pins(&edev->hdac); |
1661 | hdac_hdmi_skl_enable_dp12(&edev->hdac); | |
1662 | ||
e342ac08 SP |
1663 | /* Power up afg */ |
1664 | if (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D0)) | |
1665 | snd_hdac_codec_write(hdac, hdac->afg, 0, | |
1666 | AC_VERB_SET_POWER_STATE, AC_PWRST_D0); | |
1667 | ||
1668 | return 0; | |
1669 | } | |
1670 | #else | |
1671 | #define hdac_hdmi_runtime_suspend NULL | |
1672 | #define hdac_hdmi_runtime_resume NULL | |
1673 | #endif | |
1674 | ||
1675 | static const struct dev_pm_ops hdac_hdmi_pm = { | |
1676 | SET_RUNTIME_PM_OPS(hdac_hdmi_runtime_suspend, hdac_hdmi_runtime_resume, NULL) | |
1677 | }; | |
1678 | ||
18382ead SP |
1679 | static const struct hda_device_id hdmi_list[] = { |
1680 | HDA_CODEC_EXT_ENTRY(0x80862809, 0x100000, "Skylake HDMI", 0), | |
e2304803 | 1681 | HDA_CODEC_EXT_ENTRY(0x8086280a, 0x100000, "Broxton HDMI", 0), |
18382ead SP |
1682 | {} |
1683 | }; | |
1684 | ||
1685 | MODULE_DEVICE_TABLE(hdaudio, hdmi_list); | |
1686 | ||
1687 | static struct hdac_ext_driver hdmi_driver = { | |
1688 | . hdac = { | |
1689 | .driver = { | |
1690 | .name = "HDMI HDA Codec", | |
e342ac08 | 1691 | .pm = &hdac_hdmi_pm, |
18382ead SP |
1692 | }, |
1693 | .id_table = hdmi_list, | |
1694 | }, | |
1695 | .probe = hdac_hdmi_dev_probe, | |
1696 | .remove = hdac_hdmi_dev_remove, | |
1697 | }; | |
1698 | ||
1699 | static int __init hdmi_init(void) | |
1700 | { | |
1701 | return snd_hda_ext_driver_register(&hdmi_driver); | |
1702 | } | |
1703 | ||
1704 | static void __exit hdmi_exit(void) | |
1705 | { | |
1706 | snd_hda_ext_driver_unregister(&hdmi_driver); | |
1707 | } | |
1708 | ||
1709 | module_init(hdmi_init); | |
1710 | module_exit(hdmi_exit); | |
1711 | ||
1712 | MODULE_LICENSE("GPL v2"); | |
1713 | MODULE_DESCRIPTION("HDMI HD codec"); | |
1714 | MODULE_AUTHOR("Samreen Nilofer<samreen.nilofer@intel.com>"); | |
1715 | MODULE_AUTHOR("Subhransu S. Prusty<subhransu.s.prusty@intel.com>"); |