Commit | Line | Data |
---|---|---|
18382ead SP |
1 | /* |
2 | * hdac_hdmi.c - ASoc HDA-HDMI codec driver for Intel platforms | |
3 | * | |
4 | * Copyright (C) 2014-2015 Intel Corp | |
5 | * Author: Samreen Nilofer <samreen.nilofer@intel.com> | |
6 | * Subhransu S. Prusty <subhransu.s.prusty@intel.com> | |
7 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; version 2 of the License. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | * | |
18 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
19 | */ | |
20 | #include <linux/init.h> | |
21 | #include <linux/delay.h> | |
22 | #include <linux/module.h> | |
23 | #include <linux/pm_runtime.h> | |
a657f1d0 | 24 | #include <linux/hdmi.h> |
2428bca3 | 25 | #include <drm/drm_edid.h> |
18382ead | 26 | #include <sound/pcm_params.h> |
4a3478de | 27 | #include <sound/jack.h> |
18382ead SP |
28 | #include <sound/soc.h> |
29 | #include <sound/hdaudio_ext.h> | |
07f083ab | 30 | #include <sound/hda_i915.h> |
2428bca3 | 31 | #include <sound/pcm_drm_eld.h> |
18382ead | 32 | #include "../../hda/local.h" |
4a3478de | 33 | #include "hdac_hdmi.h" |
18382ead | 34 | |
17a42c45 SP |
35 | #define NAME_SIZE 32 |
36 | ||
b0362adb SP |
37 | #define AMP_OUT_MUTE 0xb080 |
38 | #define AMP_OUT_UNMUTE 0xb000 | |
18382ead | 39 | #define PIN_OUT (AC_PINCTL_OUT_EN) |
b0362adb | 40 | |
18382ead SP |
41 | #define HDA_MAX_CONNECTIONS 32 |
42 | ||
148569fd SP |
43 | #define HDA_MAX_CVTS 3 |
44 | ||
b8a54545 SP |
45 | #define ELD_MAX_SIZE 256 |
46 | #define ELD_FIXED_BYTES 20 | |
47 | ||
18382ead SP |
48 | struct hdac_hdmi_cvt_params { |
49 | unsigned int channels_min; | |
50 | unsigned int channels_max; | |
51 | u32 rates; | |
52 | u64 formats; | |
53 | unsigned int maxbps; | |
54 | }; | |
55 | ||
56 | struct hdac_hdmi_cvt { | |
15b91447 | 57 | struct list_head head; |
18382ead | 58 | hda_nid_t nid; |
4a3478de | 59 | const char *name; |
18382ead SP |
60 | struct hdac_hdmi_cvt_params params; |
61 | }; | |
62 | ||
b8a54545 SP |
63 | struct hdac_hdmi_eld { |
64 | bool monitor_present; | |
65 | bool eld_valid; | |
66 | int eld_size; | |
67 | char eld_buffer[ELD_MAX_SIZE]; | |
68 | }; | |
69 | ||
18382ead | 70 | struct hdac_hdmi_pin { |
15b91447 | 71 | struct list_head head; |
18382ead SP |
72 | hda_nid_t nid; |
73 | int num_mux_nids; | |
74 | hda_nid_t mux_nids[HDA_MAX_CONNECTIONS]; | |
b8a54545 SP |
75 | struct hdac_hdmi_eld eld; |
76 | struct hdac_ext_device *edev; | |
77 | int repoll_count; | |
78 | struct delayed_work work; | |
18382ead SP |
79 | }; |
80 | ||
4a3478de JK |
81 | struct hdac_hdmi_pcm { |
82 | struct list_head head; | |
83 | int pcm_id; | |
84 | struct hdac_hdmi_pin *pin; | |
85 | struct hdac_hdmi_cvt *cvt; | |
86 | struct snd_jack *jack; | |
87 | }; | |
88 | ||
18382ead SP |
89 | struct hdac_hdmi_dai_pin_map { |
90 | int dai_id; | |
15b91447 SP |
91 | struct hdac_hdmi_pin *pin; |
92 | struct hdac_hdmi_cvt *cvt; | |
18382ead SP |
93 | }; |
94 | ||
95 | struct hdac_hdmi_priv { | |
148569fd | 96 | struct hdac_hdmi_dai_pin_map dai_map[HDA_MAX_CVTS]; |
15b91447 SP |
97 | struct list_head pin_list; |
98 | struct list_head cvt_list; | |
4a3478de | 99 | struct list_head pcm_list; |
15b91447 SP |
100 | int num_pin; |
101 | int num_cvt; | |
4a3478de | 102 | struct mutex pin_mutex; |
18382ead SP |
103 | }; |
104 | ||
e342ac08 SP |
105 | static inline struct hdac_ext_device *to_hda_ext_device(struct device *dev) |
106 | { | |
51b2c425 | 107 | struct hdac_device *hdac = dev_to_hdac_dev(dev); |
e342ac08 | 108 | |
51b2c425 | 109 | return to_ehdac_device(hdac); |
e342ac08 SP |
110 | } |
111 | ||
2428bca3 SP |
112 | static unsigned int sad_format(const u8 *sad) |
113 | { | |
114 | return ((sad[0] >> 0x3) & 0x1f); | |
115 | } | |
116 | ||
117 | static unsigned int sad_sample_bits_lpcm(const u8 *sad) | |
118 | { | |
119 | return (sad[2] & 7); | |
120 | } | |
121 | ||
122 | static int hdac_hdmi_eld_limit_formats(struct snd_pcm_runtime *runtime, | |
123 | void *eld) | |
124 | { | |
125 | u64 formats = SNDRV_PCM_FMTBIT_S16; | |
126 | int i; | |
127 | const u8 *sad, *eld_buf = eld; | |
128 | ||
129 | sad = drm_eld_sad(eld_buf); | |
130 | if (!sad) | |
131 | goto format_constraint; | |
132 | ||
133 | for (i = drm_eld_sad_count(eld_buf); i > 0; i--, sad += 3) { | |
134 | if (sad_format(sad) == 1) { /* AUDIO_CODING_TYPE_LPCM */ | |
135 | ||
136 | /* | |
137 | * the controller support 20 and 24 bits in 32 bit | |
138 | * container so we set S32 | |
139 | */ | |
140 | if (sad_sample_bits_lpcm(sad) & 0x6) | |
141 | formats |= SNDRV_PCM_FMTBIT_S32; | |
142 | } | |
143 | } | |
144 | ||
145 | format_constraint: | |
146 | return snd_pcm_hw_constraint_mask64(runtime, SNDRV_PCM_HW_PARAM_FORMAT, | |
147 | formats); | |
148 | ||
149 | } | |
150 | ||
b8a54545 SP |
151 | /* HDMI ELD routines */ |
152 | static unsigned int hdac_hdmi_get_eld_data(struct hdac_device *codec, | |
153 | hda_nid_t nid, int byte_index) | |
154 | { | |
155 | unsigned int val; | |
156 | ||
157 | val = snd_hdac_codec_read(codec, nid, 0, AC_VERB_GET_HDMI_ELDD, | |
158 | byte_index); | |
159 | ||
160 | dev_dbg(&codec->dev, "HDMI: ELD data byte %d: 0x%x\n", | |
161 | byte_index, val); | |
162 | ||
163 | return val; | |
164 | } | |
165 | ||
166 | static int hdac_hdmi_get_eld_size(struct hdac_device *codec, hda_nid_t nid) | |
167 | { | |
168 | return snd_hdac_codec_read(codec, nid, 0, AC_VERB_GET_HDMI_DIP_SIZE, | |
169 | AC_DIPSIZE_ELD_BUF); | |
170 | } | |
171 | ||
172 | /* | |
173 | * This function queries the ELD size and ELD data and fills in the buffer | |
174 | * passed by user | |
175 | */ | |
176 | static int hdac_hdmi_get_eld(struct hdac_device *codec, hda_nid_t nid, | |
177 | unsigned char *buf, int *eld_size) | |
178 | { | |
179 | int i, size, ret = 0; | |
180 | ||
181 | /* | |
182 | * ELD size is initialized to zero in caller function. If no errors and | |
183 | * ELD is valid, actual eld_size is assigned. | |
184 | */ | |
185 | ||
186 | size = hdac_hdmi_get_eld_size(codec, nid); | |
187 | if (size < ELD_FIXED_BYTES || size > ELD_MAX_SIZE) { | |
188 | dev_err(&codec->dev, "HDMI: invalid ELD buf size %d\n", size); | |
189 | return -ERANGE; | |
190 | } | |
191 | ||
192 | /* set ELD buffer */ | |
193 | for (i = 0; i < size; i++) { | |
194 | unsigned int val = hdac_hdmi_get_eld_data(codec, nid, i); | |
195 | /* | |
196 | * Graphics driver might be writing to ELD buffer right now. | |
197 | * Just abort. The caller will repoll after a while. | |
198 | */ | |
199 | if (!(val & AC_ELDD_ELD_VALID)) { | |
200 | dev_err(&codec->dev, | |
201 | "HDMI: invalid ELD data byte %d\n", i); | |
202 | ret = -EINVAL; | |
203 | goto error; | |
204 | } | |
205 | val &= AC_ELDD_ELD_DATA; | |
206 | /* | |
207 | * The first byte cannot be zero. This can happen on some DVI | |
208 | * connections. Some Intel chips may also need some 250ms delay | |
209 | * to return non-zero ELD data, even when the graphics driver | |
210 | * correctly writes ELD content before setting ELD_valid bit. | |
211 | */ | |
212 | if (!val && !i) { | |
213 | dev_err(&codec->dev, "HDMI: 0 ELD data\n"); | |
214 | ret = -EINVAL; | |
215 | goto error; | |
216 | } | |
217 | buf[i] = val; | |
218 | } | |
219 | ||
220 | *eld_size = size; | |
221 | error: | |
222 | return ret; | |
223 | } | |
224 | ||
b0362adb SP |
225 | static int hdac_hdmi_setup_stream(struct hdac_ext_device *hdac, |
226 | hda_nid_t cvt_nid, hda_nid_t pin_nid, | |
227 | u32 stream_tag, int format) | |
228 | { | |
229 | unsigned int val; | |
230 | ||
231 | dev_dbg(&hdac->hdac.dev, "cvt nid %d pnid %d stream %d format 0x%x\n", | |
232 | cvt_nid, pin_nid, stream_tag, format); | |
233 | ||
234 | val = (stream_tag << 4); | |
235 | ||
236 | snd_hdac_codec_write(&hdac->hdac, cvt_nid, 0, | |
237 | AC_VERB_SET_CHANNEL_STREAMID, val); | |
238 | snd_hdac_codec_write(&hdac->hdac, cvt_nid, 0, | |
239 | AC_VERB_SET_STREAM_FORMAT, format); | |
240 | ||
241 | return 0; | |
242 | } | |
243 | ||
a657f1d0 SP |
244 | static void |
245 | hdac_hdmi_set_dip_index(struct hdac_ext_device *hdac, hda_nid_t pin_nid, | |
246 | int packet_index, int byte_index) | |
247 | { | |
248 | int val; | |
249 | ||
250 | val = (packet_index << 5) | (byte_index & 0x1f); | |
251 | ||
252 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, | |
253 | AC_VERB_SET_HDMI_DIP_INDEX, val); | |
254 | } | |
255 | ||
478f544e SP |
256 | struct dp_audio_infoframe { |
257 | u8 type; /* 0x84 */ | |
258 | u8 len; /* 0x1b */ | |
259 | u8 ver; /* 0x11 << 2 */ | |
260 | ||
261 | u8 CC02_CT47; /* match with HDMI infoframe from this on */ | |
262 | u8 SS01_SF24; | |
263 | u8 CXT04; | |
264 | u8 CA; | |
265 | u8 LFEPBL01_LSV36_DM_INH7; | |
266 | }; | |
267 | ||
a657f1d0 SP |
268 | static int hdac_hdmi_setup_audio_infoframe(struct hdac_ext_device *hdac, |
269 | hda_nid_t cvt_nid, hda_nid_t pin_nid) | |
270 | { | |
271 | uint8_t buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AUDIO_INFOFRAME_SIZE]; | |
272 | struct hdmi_audio_infoframe frame; | |
478f544e SP |
273 | struct dp_audio_infoframe dp_ai; |
274 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
275 | struct hdac_hdmi_pin *pin; | |
276 | u8 *dip; | |
a657f1d0 SP |
277 | int ret; |
278 | int i; | |
478f544e SP |
279 | const u8 *eld_buf; |
280 | u8 conn_type; | |
281 | int channels = 2; | |
a657f1d0 | 282 | |
478f544e SP |
283 | list_for_each_entry(pin, &hdmi->pin_list, head) { |
284 | if (pin->nid == pin_nid) | |
285 | break; | |
286 | } | |
a657f1d0 | 287 | |
478f544e SP |
288 | eld_buf = pin->eld.eld_buffer; |
289 | conn_type = drm_eld_get_conn_type(eld_buf); | |
a657f1d0 SP |
290 | |
291 | /* setup channel count */ | |
292 | snd_hdac_codec_write(&hdac->hdac, cvt_nid, 0, | |
478f544e SP |
293 | AC_VERB_SET_CVT_CHAN_COUNT, channels - 1); |
294 | ||
295 | switch (conn_type) { | |
296 | case DRM_ELD_CONN_TYPE_HDMI: | |
297 | hdmi_audio_infoframe_init(&frame); | |
298 | ||
299 | /* Default stereo for now */ | |
300 | frame.channels = channels; | |
301 | ||
302 | ret = hdmi_audio_infoframe_pack(&frame, buffer, sizeof(buffer)); | |
303 | if (ret < 0) | |
304 | return ret; | |
a657f1d0 | 305 | |
478f544e SP |
306 | dip = (u8 *)&frame; |
307 | break; | |
308 | ||
309 | case DRM_ELD_CONN_TYPE_DP: | |
310 | memset(&dp_ai, 0, sizeof(dp_ai)); | |
311 | dp_ai.type = 0x84; | |
312 | dp_ai.len = 0x1b; | |
313 | dp_ai.ver = 0x11 << 2; | |
314 | dp_ai.CC02_CT47 = channels - 1; | |
315 | dp_ai.CA = 0; | |
316 | ||
317 | dip = (u8 *)&dp_ai; | |
318 | break; | |
319 | ||
320 | default: | |
321 | dev_err(&hdac->hdac.dev, "Invalid connection type: %d\n", | |
322 | conn_type); | |
323 | return -EIO; | |
324 | } | |
a657f1d0 SP |
325 | |
326 | /* stop infoframe transmission */ | |
327 | hdac_hdmi_set_dip_index(hdac, pin_nid, 0x0, 0x0); | |
328 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, | |
329 | AC_VERB_SET_HDMI_DIP_XMIT, AC_DIPXMIT_DISABLE); | |
330 | ||
331 | ||
332 | /* Fill infoframe. Index auto-incremented */ | |
333 | hdac_hdmi_set_dip_index(hdac, pin_nid, 0x0, 0x0); | |
478f544e SP |
334 | if (conn_type == DRM_ELD_CONN_TYPE_HDMI) { |
335 | for (i = 0; i < sizeof(frame); i++) | |
336 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, | |
337 | AC_VERB_SET_HDMI_DIP_DATA, dip[i]); | |
338 | } else { | |
339 | for (i = 0; i < sizeof(dp_ai); i++) | |
340 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, | |
a657f1d0 | 341 | AC_VERB_SET_HDMI_DIP_DATA, dip[i]); |
478f544e | 342 | } |
a657f1d0 SP |
343 | |
344 | /* Start infoframe */ | |
345 | hdac_hdmi_set_dip_index(hdac, pin_nid, 0x0, 0x0); | |
346 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, | |
347 | AC_VERB_SET_HDMI_DIP_XMIT, AC_DIPXMIT_BEST); | |
348 | ||
349 | return 0; | |
350 | } | |
351 | ||
b0362adb SP |
352 | static void hdac_hdmi_set_power_state(struct hdac_ext_device *edev, |
353 | struct hdac_hdmi_dai_pin_map *dai_map, unsigned int pwr_state) | |
354 | { | |
355 | /* Power up pin widget */ | |
15b91447 SP |
356 | if (!snd_hdac_check_power_state(&edev->hdac, dai_map->pin->nid, |
357 | pwr_state)) | |
358 | snd_hdac_codec_write(&edev->hdac, dai_map->pin->nid, 0, | |
b0362adb SP |
359 | AC_VERB_SET_POWER_STATE, pwr_state); |
360 | ||
361 | /* Power up converter */ | |
15b91447 SP |
362 | if (!snd_hdac_check_power_state(&edev->hdac, dai_map->cvt->nid, |
363 | pwr_state)) | |
364 | snd_hdac_codec_write(&edev->hdac, dai_map->cvt->nid, 0, | |
b0362adb SP |
365 | AC_VERB_SET_POWER_STATE, pwr_state); |
366 | } | |
367 | ||
368 | static int hdac_hdmi_playback_prepare(struct snd_pcm_substream *substream, | |
369 | struct snd_soc_dai *dai) | |
370 | { | |
371 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
372 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
373 | struct hdac_hdmi_dai_pin_map *dai_map; | |
374 | struct hdac_ext_dma_params *dd; | |
a657f1d0 | 375 | int ret; |
b0362adb | 376 | |
b0362adb SP |
377 | dai_map = &hdmi->dai_map[dai->id]; |
378 | ||
379 | dd = (struct hdac_ext_dma_params *)snd_soc_dai_get_dma_data(dai, substream); | |
380 | dev_dbg(&hdac->hdac.dev, "stream tag from cpu dai %d format in cvt 0x%x\n", | |
381 | dd->stream_tag, dd->format); | |
382 | ||
15b91447 SP |
383 | ret = hdac_hdmi_setup_audio_infoframe(hdac, dai_map->cvt->nid, |
384 | dai_map->pin->nid); | |
a657f1d0 SP |
385 | if (ret < 0) |
386 | return ret; | |
387 | ||
15b91447 SP |
388 | return hdac_hdmi_setup_stream(hdac, dai_map->cvt->nid, |
389 | dai_map->pin->nid, dd->stream_tag, dd->format); | |
b0362adb SP |
390 | } |
391 | ||
392 | static int hdac_hdmi_set_hw_params(struct snd_pcm_substream *substream, | |
393 | struct snd_pcm_hw_params *hparams, struct snd_soc_dai *dai) | |
394 | { | |
395 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
54dfa1ea SP |
396 | struct hdac_hdmi_priv *hdmi = hdac->private_data; |
397 | struct hdac_hdmi_dai_pin_map *dai_map; | |
398 | struct hdac_hdmi_pin *pin; | |
b0362adb SP |
399 | struct hdac_ext_dma_params *dd; |
400 | ||
54dfa1ea SP |
401 | dai_map = &hdmi->dai_map[dai->id]; |
402 | pin = dai_map->pin; | |
403 | ||
404 | if (!pin) | |
405 | return -ENODEV; | |
406 | ||
407 | if ((!pin->eld.monitor_present) || (!pin->eld.eld_valid)) { | |
408 | dev_err(&hdac->hdac.dev, "device is not configured for this pin: %d\n", | |
409 | pin->nid); | |
b0362adb SP |
410 | return -ENODEV; |
411 | } | |
412 | ||
6793a3d7 SP |
413 | dd = snd_soc_dai_get_dma_data(dai, substream); |
414 | if (!dd) { | |
415 | dd = kzalloc(sizeof(*dd), GFP_KERNEL); | |
416 | if (!dd) | |
417 | return -ENOMEM; | |
418 | } | |
419 | ||
b0362adb SP |
420 | dd->format = snd_hdac_calc_stream_format(params_rate(hparams), |
421 | params_channels(hparams), params_format(hparams), | |
422 | 24, 0); | |
423 | ||
424 | snd_soc_dai_set_dma_data(dai, substream, (void *)dd); | |
425 | ||
426 | return 0; | |
427 | } | |
428 | ||
429 | static int hdac_hdmi_playback_cleanup(struct snd_pcm_substream *substream, | |
430 | struct snd_soc_dai *dai) | |
431 | { | |
432 | struct hdac_ext_device *edev = snd_soc_dai_get_drvdata(dai); | |
433 | struct hdac_ext_dma_params *dd; | |
434 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
435 | struct hdac_hdmi_dai_pin_map *dai_map; | |
436 | ||
437 | dai_map = &hdmi->dai_map[dai->id]; | |
438 | ||
b0362adb | 439 | dd = (struct hdac_ext_dma_params *)snd_soc_dai_get_dma_data(dai, substream); |
b0362adb | 440 | |
6793a3d7 SP |
441 | if (dd) { |
442 | snd_soc_dai_set_dma_data(dai, substream, NULL); | |
443 | kfree(dd); | |
444 | } | |
b0362adb SP |
445 | |
446 | return 0; | |
447 | } | |
448 | ||
ab85f5b3 SP |
449 | static void hdac_hdmi_enable_cvt(struct hdac_ext_device *edev, |
450 | struct hdac_hdmi_dai_pin_map *dai_map) | |
451 | { | |
452 | /* Enable transmission */ | |
453 | snd_hdac_codec_write(&edev->hdac, dai_map->cvt->nid, 0, | |
454 | AC_VERB_SET_DIGI_CONVERT_1, 1); | |
455 | ||
456 | /* Category Code (CC) to zero */ | |
457 | snd_hdac_codec_write(&edev->hdac, dai_map->cvt->nid, 0, | |
458 | AC_VERB_SET_DIGI_CONVERT_2, 0); | |
459 | } | |
460 | ||
148569fd SP |
461 | static int hdac_hdmi_enable_pin(struct hdac_ext_device *hdac, |
462 | struct hdac_hdmi_dai_pin_map *dai_map) | |
463 | { | |
464 | int mux_idx; | |
465 | struct hdac_hdmi_pin *pin = dai_map->pin; | |
466 | ||
467 | for (mux_idx = 0; mux_idx < pin->num_mux_nids; mux_idx++) { | |
468 | if (pin->mux_nids[mux_idx] == dai_map->cvt->nid) { | |
469 | snd_hdac_codec_write(&hdac->hdac, pin->nid, 0, | |
470 | AC_VERB_SET_CONNECT_SEL, mux_idx); | |
471 | break; | |
472 | } | |
473 | } | |
474 | ||
475 | if (mux_idx == pin->num_mux_nids) | |
476 | return -EIO; | |
477 | ||
478 | /* Enable out path for this pin widget */ | |
479 | snd_hdac_codec_write(&hdac->hdac, pin->nid, 0, | |
480 | AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); | |
481 | ||
482 | hdac_hdmi_set_power_state(hdac, dai_map, AC_PWRST_D0); | |
483 | ||
484 | snd_hdac_codec_write(&hdac->hdac, pin->nid, 0, | |
485 | AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE); | |
486 | ||
487 | return 0; | |
488 | } | |
489 | ||
490 | static int hdac_hdmi_query_pin_connlist(struct hdac_ext_device *hdac, | |
491 | struct hdac_hdmi_pin *pin) | |
492 | { | |
493 | if (!(get_wcaps(&hdac->hdac, pin->nid) & AC_WCAP_CONN_LIST)) { | |
494 | dev_warn(&hdac->hdac.dev, | |
495 | "HDMI: pin %d wcaps %#x does not support connection list\n", | |
496 | pin->nid, get_wcaps(&hdac->hdac, pin->nid)); | |
497 | return -EINVAL; | |
498 | } | |
499 | ||
500 | pin->num_mux_nids = snd_hdac_get_connections(&hdac->hdac, pin->nid, | |
501 | pin->mux_nids, HDA_MAX_CONNECTIONS); | |
502 | if (pin->num_mux_nids == 0) | |
503 | dev_warn(&hdac->hdac.dev, "No connections found for pin: %d\n", | |
504 | pin->nid); | |
505 | ||
506 | dev_dbg(&hdac->hdac.dev, "num_mux_nids %d for pin: %d\n", | |
507 | pin->num_mux_nids, pin->nid); | |
508 | ||
509 | return pin->num_mux_nids; | |
510 | } | |
511 | ||
512 | /* | |
513 | * Query pcm list and return pin widget to which stream is routed. | |
514 | * | |
515 | * Also query connection list of the pin, to validate the cvt to pin map. | |
516 | * | |
517 | * Same stream rendering to multiple pins simultaneously can be done | |
518 | * possibly, but not supported for now in driver. So return the first pin | |
519 | * connected. | |
520 | */ | |
521 | static struct hdac_hdmi_pin *hdac_hdmi_get_pin_from_cvt( | |
522 | struct hdac_ext_device *edev, | |
523 | struct hdac_hdmi_priv *hdmi, | |
524 | struct hdac_hdmi_cvt *cvt) | |
525 | { | |
526 | struct hdac_hdmi_pcm *pcm; | |
527 | struct hdac_hdmi_pin *pin = NULL; | |
528 | int ret, i; | |
529 | ||
530 | list_for_each_entry(pcm, &hdmi->pcm_list, head) { | |
531 | if (pcm->cvt == cvt) { | |
532 | pin = pcm->pin; | |
533 | break; | |
534 | } | |
535 | } | |
536 | ||
537 | if (pin) { | |
538 | ret = hdac_hdmi_query_pin_connlist(edev, pin); | |
539 | if (ret < 0) | |
540 | return NULL; | |
541 | ||
542 | for (i = 0; i < pin->num_mux_nids; i++) { | |
543 | if (pin->mux_nids[i] == cvt->nid) | |
544 | return pin; | |
545 | } | |
546 | } | |
547 | ||
548 | return NULL; | |
549 | } | |
550 | ||
54dfa1ea SP |
551 | /* |
552 | * This tries to get a valid pin and set the HW constraints based on the | |
553 | * ELD. Even if a valid pin is not found return success so that device open | |
554 | * doesn't fail. | |
555 | */ | |
b0362adb SP |
556 | static int hdac_hdmi_pcm_open(struct snd_pcm_substream *substream, |
557 | struct snd_soc_dai *dai) | |
558 | { | |
559 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
560 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
561 | struct hdac_hdmi_dai_pin_map *dai_map; | |
148569fd SP |
562 | struct hdac_hdmi_cvt *cvt; |
563 | struct hdac_hdmi_pin *pin; | |
2428bca3 | 564 | int ret; |
b0362adb | 565 | |
b0362adb SP |
566 | dai_map = &hdmi->dai_map[dai->id]; |
567 | ||
148569fd SP |
568 | cvt = dai_map->cvt; |
569 | pin = hdac_hdmi_get_pin_from_cvt(hdac, hdmi, cvt); | |
54dfa1ea SP |
570 | |
571 | /* | |
572 | * To make PA and other userland happy. | |
573 | * userland scans devices so returning error does not help. | |
574 | */ | |
148569fd | 575 | if (!pin) |
54dfa1ea | 576 | return 0; |
148569fd SP |
577 | |
578 | if ((!pin->eld.monitor_present) || | |
579 | (!pin->eld.eld_valid)) { | |
b8a54545 | 580 | |
54dfa1ea | 581 | dev_warn(&hdac->hdac.dev, |
148569fd SP |
582 | "Failed: montior present? %d ELD valid?: %d for pin: %d\n", |
583 | pin->eld.monitor_present, pin->eld.eld_valid, pin->nid); | |
b0362adb | 584 | |
54dfa1ea | 585 | return 0; |
b0362adb SP |
586 | } |
587 | ||
148569fd | 588 | dai_map->pin = pin; |
b0362adb | 589 | |
ab85f5b3 | 590 | hdac_hdmi_enable_cvt(hdac, dai_map); |
148569fd SP |
591 | ret = hdac_hdmi_enable_pin(hdac, dai_map); |
592 | if (ret < 0) | |
593 | return ret; | |
b0362adb | 594 | |
2428bca3 | 595 | ret = hdac_hdmi_eld_limit_formats(substream->runtime, |
148569fd | 596 | pin->eld.eld_buffer); |
2428bca3 SP |
597 | if (ret < 0) |
598 | return ret; | |
b0362adb | 599 | |
2428bca3 | 600 | return snd_pcm_hw_constraint_eld(substream->runtime, |
148569fd | 601 | pin->eld.eld_buffer); |
b0362adb SP |
602 | } |
603 | ||
604 | static void hdac_hdmi_pcm_close(struct snd_pcm_substream *substream, | |
605 | struct snd_soc_dai *dai) | |
606 | { | |
607 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
608 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
609 | struct hdac_hdmi_dai_pin_map *dai_map; | |
610 | ||
611 | dai_map = &hdmi->dai_map[dai->id]; | |
612 | ||
54dfa1ea SP |
613 | if (dai_map->pin) { |
614 | snd_hdac_codec_write(&hdac->hdac, dai_map->cvt->nid, 0, | |
615 | AC_VERB_SET_CHANNEL_STREAMID, 0); | |
616 | snd_hdac_codec_write(&hdac->hdac, dai_map->cvt->nid, 0, | |
617 | AC_VERB_SET_STREAM_FORMAT, 0); | |
618 | ||
619 | hdac_hdmi_set_power_state(hdac, dai_map, AC_PWRST_D3); | |
b0362adb | 620 | |
54dfa1ea | 621 | snd_hdac_codec_write(&hdac->hdac, dai_map->pin->nid, 0, |
b0362adb | 622 | AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE); |
148569fd | 623 | |
54dfa1ea SP |
624 | dai_map->pin = NULL; |
625 | } | |
b0362adb SP |
626 | } |
627 | ||
18382ead SP |
628 | static int |
629 | hdac_hdmi_query_cvt_params(struct hdac_device *hdac, struct hdac_hdmi_cvt *cvt) | |
630 | { | |
631 | int err; | |
632 | ||
633 | /* Only stereo supported as of now */ | |
634 | cvt->params.channels_min = cvt->params.channels_max = 2; | |
635 | ||
636 | err = snd_hdac_query_supported_pcm(hdac, cvt->nid, | |
637 | &cvt->params.rates, | |
638 | &cvt->params.formats, | |
639 | &cvt->params.maxbps); | |
640 | if (err < 0) | |
641 | dev_err(&hdac->dev, | |
642 | "Failed to query pcm params for nid %d: %d\n", | |
643 | cvt->nid, err); | |
644 | ||
645 | return err; | |
646 | } | |
647 | ||
79f4e922 SP |
648 | static int hdac_hdmi_fill_widget_info(struct device *dev, |
649 | struct snd_soc_dapm_widget *w, | |
650 | enum snd_soc_dapm_type id, void *priv, | |
651 | const char *wname, const char *stream, | |
652 | struct snd_kcontrol_new *wc, int numkc) | |
18382ead SP |
653 | { |
654 | w->id = id; | |
79f4e922 SP |
655 | w->name = devm_kstrdup(dev, wname, GFP_KERNEL); |
656 | if (!w->name) | |
657 | return -ENOMEM; | |
658 | ||
18382ead SP |
659 | w->sname = stream; |
660 | w->reg = SND_SOC_NOPM; | |
661 | w->shift = 0; | |
79f4e922 SP |
662 | w->kcontrol_news = wc; |
663 | w->num_kcontrols = numkc; | |
664 | w->priv = priv; | |
665 | ||
666 | return 0; | |
18382ead SP |
667 | } |
668 | ||
669 | static void hdac_hdmi_fill_route(struct snd_soc_dapm_route *route, | |
79f4e922 SP |
670 | const char *sink, const char *control, const char *src, |
671 | int (*handler)(struct snd_soc_dapm_widget *src, | |
672 | struct snd_soc_dapm_widget *sink)) | |
18382ead SP |
673 | { |
674 | route->sink = sink; | |
675 | route->source = src; | |
676 | route->control = control; | |
79f4e922 | 677 | route->connected = handler; |
18382ead SP |
678 | } |
679 | ||
4a3478de JK |
680 | static struct hdac_hdmi_pcm *hdac_hdmi_get_pcm(struct hdac_ext_device *edev, |
681 | struct hdac_hdmi_pin *pin) | |
682 | { | |
683 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
684 | struct hdac_hdmi_pcm *pcm = NULL; | |
685 | ||
686 | list_for_each_entry(pcm, &hdmi->pcm_list, head) { | |
687 | if (pcm->pin == pin) | |
688 | return pcm; | |
689 | } | |
690 | ||
691 | return NULL; | |
692 | } | |
693 | ||
694 | /* | |
695 | * Based on user selection, map the PINs with the PCMs. | |
696 | */ | |
697 | static int hdac_hdmi_set_pin_mux(struct snd_kcontrol *kcontrol, | |
698 | struct snd_ctl_elem_value *ucontrol) | |
699 | { | |
700 | int ret; | |
701 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
702 | struct snd_soc_dapm_widget *w = snd_soc_dapm_kcontrol_widget(kcontrol); | |
703 | struct snd_soc_dapm_context *dapm = w->dapm; | |
704 | struct hdac_hdmi_pin *pin = w->priv; | |
705 | struct hdac_ext_device *edev = to_hda_ext_device(dapm->dev); | |
706 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
707 | struct hdac_hdmi_pcm *pcm = NULL; | |
708 | const char *cvt_name = e->texts[ucontrol->value.enumerated.item[0]]; | |
709 | ||
710 | ret = snd_soc_dapm_put_enum_double(kcontrol, ucontrol); | |
711 | if (ret < 0) | |
712 | return ret; | |
713 | ||
714 | mutex_lock(&hdmi->pin_mutex); | |
715 | list_for_each_entry(pcm, &hdmi->pcm_list, head) { | |
716 | if (pcm->pin == pin) | |
717 | pcm->pin = NULL; | |
718 | ||
719 | /* | |
720 | * Jack status is not reported during device probe as the | |
721 | * PCMs are not registered by then. So report it here. | |
722 | */ | |
723 | if (!strcmp(cvt_name, pcm->cvt->name) && !pcm->pin) { | |
724 | pcm->pin = pin; | |
725 | if (pin->eld.monitor_present && pin->eld.eld_valid) { | |
726 | dev_dbg(&edev->hdac.dev, | |
727 | "jack report for pcm=%d\n", | |
728 | pcm->pcm_id); | |
729 | ||
730 | snd_jack_report(pcm->jack, SND_JACK_AVOUT); | |
731 | } | |
732 | mutex_unlock(&hdmi->pin_mutex); | |
733 | return ret; | |
734 | } | |
735 | } | |
736 | mutex_unlock(&hdmi->pin_mutex); | |
737 | ||
738 | return ret; | |
739 | } | |
740 | ||
79f4e922 SP |
741 | /* |
742 | * Ideally the Mux inputs should be based on the num_muxs enumerated, but | |
743 | * the display driver seem to be programming the connection list for the pin | |
744 | * widget runtime. | |
745 | * | |
746 | * So programming all the possible inputs for the mux, the user has to take | |
747 | * care of selecting the right one and leaving all other inputs selected to | |
748 | * "NONE" | |
749 | */ | |
750 | static int hdac_hdmi_create_pin_muxs(struct hdac_ext_device *edev, | |
751 | struct hdac_hdmi_pin *pin, | |
752 | struct snd_soc_dapm_widget *widget, | |
753 | const char *widget_name) | |
754 | { | |
755 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
756 | struct snd_kcontrol_new *kc; | |
757 | struct hdac_hdmi_cvt *cvt; | |
758 | struct soc_enum *se; | |
759 | char kc_name[NAME_SIZE]; | |
760 | char mux_items[NAME_SIZE]; | |
761 | /* To hold inputs to the Pin mux */ | |
762 | char *items[HDA_MAX_CONNECTIONS]; | |
763 | int i = 0; | |
764 | int num_items = hdmi->num_cvt + 1; | |
765 | ||
766 | kc = devm_kzalloc(&edev->hdac.dev, sizeof(*kc), GFP_KERNEL); | |
767 | if (!kc) | |
768 | return -ENOMEM; | |
769 | ||
770 | se = devm_kzalloc(&edev->hdac.dev, sizeof(*se), GFP_KERNEL); | |
771 | if (!se) | |
772 | return -ENOMEM; | |
773 | ||
774 | sprintf(kc_name, "Pin %d Input", pin->nid); | |
775 | kc->name = devm_kstrdup(&edev->hdac.dev, kc_name, GFP_KERNEL); | |
776 | if (!kc->name) | |
777 | return -ENOMEM; | |
778 | ||
779 | kc->private_value = (long)se; | |
780 | kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
781 | kc->access = 0; | |
782 | kc->info = snd_soc_info_enum_double; | |
4a3478de | 783 | kc->put = hdac_hdmi_set_pin_mux; |
79f4e922 SP |
784 | kc->get = snd_soc_dapm_get_enum_double; |
785 | ||
786 | se->reg = SND_SOC_NOPM; | |
787 | ||
788 | /* enum texts: ["NONE", "cvt #", "cvt #", ...] */ | |
789 | se->items = num_items; | |
790 | se->mask = roundup_pow_of_two(se->items) - 1; | |
791 | ||
792 | sprintf(mux_items, "NONE"); | |
793 | items[i] = devm_kstrdup(&edev->hdac.dev, mux_items, GFP_KERNEL); | |
794 | if (!items[i]) | |
795 | return -ENOMEM; | |
796 | ||
797 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { | |
798 | i++; | |
799 | sprintf(mux_items, "cvt %d", cvt->nid); | |
800 | items[i] = devm_kstrdup(&edev->hdac.dev, mux_items, GFP_KERNEL); | |
801 | if (!items[i]) | |
802 | return -ENOMEM; | |
803 | } | |
804 | ||
805 | se->texts = devm_kmemdup(&edev->hdac.dev, items, | |
806 | (num_items * sizeof(char *)), GFP_KERNEL); | |
807 | if (!se->texts) | |
808 | return -ENOMEM; | |
809 | ||
810 | return hdac_hdmi_fill_widget_info(&edev->hdac.dev, widget, | |
4a3478de | 811 | snd_soc_dapm_mux, pin, widget_name, NULL, kc, 1); |
79f4e922 SP |
812 | } |
813 | ||
814 | /* Add cvt <- input <- mux route map */ | |
815 | static void hdac_hdmi_add_pinmux_cvt_route(struct hdac_ext_device *edev, | |
816 | struct snd_soc_dapm_widget *widgets, | |
817 | struct snd_soc_dapm_route *route, int rindex) | |
818 | { | |
819 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
820 | const struct snd_kcontrol_new *kc; | |
821 | struct soc_enum *se; | |
822 | int mux_index = hdmi->num_cvt + hdmi->num_pin; | |
823 | int i, j; | |
824 | ||
825 | for (i = 0; i < hdmi->num_pin; i++) { | |
826 | kc = widgets[mux_index].kcontrol_news; | |
827 | se = (struct soc_enum *)kc->private_value; | |
828 | for (j = 0; j < hdmi->num_cvt; j++) { | |
829 | hdac_hdmi_fill_route(&route[rindex], | |
830 | widgets[mux_index].name, | |
831 | se->texts[j + 1], | |
832 | widgets[j].name, NULL); | |
833 | ||
834 | rindex++; | |
835 | } | |
836 | ||
837 | mux_index++; | |
838 | } | |
839 | } | |
840 | ||
841 | /* | |
842 | * Widgets are added in the below sequence | |
843 | * Converter widgets for num converters enumerated | |
844 | * Pin widgets for num pins enumerated | |
845 | * Pin mux widgets to represent connenction list of pin widget | |
846 | * | |
847 | * Total widgets elements = num_cvt + num_pin + num_pin; | |
848 | * | |
849 | * Routes are added as below: | |
850 | * pin mux -> pin (based on num_pins) | |
851 | * cvt -> "Input sel control" -> pin_mux | |
852 | * | |
853 | * Total route elements: | |
854 | * num_pins + (pin_muxes * num_cvt) | |
855 | */ | |
856 | static int create_fill_widget_route_map(struct snd_soc_dapm_context *dapm) | |
18382ead | 857 | { |
79f4e922 SP |
858 | struct snd_soc_dapm_widget *widgets; |
859 | struct snd_soc_dapm_route *route; | |
860 | struct hdac_ext_device *edev = to_hda_ext_device(dapm->dev); | |
861 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
862 | struct snd_soc_dai_driver *dai_drv = dapm->component->dai_drv; | |
863 | char widget_name[NAME_SIZE]; | |
864 | struct hdac_hdmi_cvt *cvt; | |
865 | struct hdac_hdmi_pin *pin; | |
866 | int ret, i = 0, num_routes = 0; | |
18382ead | 867 | |
79f4e922 SP |
868 | if (list_empty(&hdmi->cvt_list) || list_empty(&hdmi->pin_list)) |
869 | return -EINVAL; | |
18382ead | 870 | |
79f4e922 SP |
871 | widgets = devm_kzalloc(dapm->dev, |
872 | (sizeof(*widgets) * ((2 * hdmi->num_pin) + hdmi->num_cvt)), | |
873 | GFP_KERNEL); | |
18382ead | 874 | |
79f4e922 SP |
875 | if (!widgets) |
876 | return -ENOMEM; | |
877 | ||
878 | /* DAPM widgets to represent each converter widget */ | |
879 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { | |
880 | sprintf(widget_name, "Converter %d", cvt->nid); | |
881 | ret = hdac_hdmi_fill_widget_info(dapm->dev, &widgets[i], | |
882 | snd_soc_dapm_aif_in, &cvt->nid, | |
883 | widget_name, dai_drv[i].playback.stream_name, NULL, 0); | |
884 | if (ret < 0) | |
885 | return ret; | |
886 | i++; | |
887 | } | |
888 | ||
889 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
890 | sprintf(widget_name, "hif%d Output", pin->nid); | |
891 | ret = hdac_hdmi_fill_widget_info(dapm->dev, &widgets[i], | |
892 | snd_soc_dapm_output, &pin->nid, | |
893 | widget_name, NULL, NULL, 0); | |
894 | if (ret < 0) | |
895 | return ret; | |
896 | i++; | |
897 | } | |
898 | ||
899 | /* DAPM widgets to represent the connection list to pin widget */ | |
900 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
901 | sprintf(widget_name, "Pin %d Mux", pin->nid); | |
902 | ret = hdac_hdmi_create_pin_muxs(edev, pin, &widgets[i], | |
903 | widget_name); | |
904 | if (ret < 0) | |
905 | return ret; | |
906 | i++; | |
907 | ||
908 | /* For cvt to pin_mux mapping */ | |
909 | num_routes += hdmi->num_cvt; | |
910 | ||
911 | /* For pin_mux to pin mapping */ | |
912 | num_routes++; | |
913 | } | |
914 | ||
915 | route = devm_kzalloc(dapm->dev, (sizeof(*route) * num_routes), | |
916 | GFP_KERNEL); | |
917 | if (!route) | |
918 | return -ENOMEM; | |
919 | ||
920 | i = 0; | |
921 | /* Add pin <- NULL <- mux route map */ | |
922 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
923 | int sink_index = i + hdmi->num_cvt; | |
924 | int src_index = sink_index + hdmi->num_pin; | |
925 | ||
926 | hdac_hdmi_fill_route(&route[i], | |
927 | widgets[sink_index].name, NULL, | |
928 | widgets[src_index].name, NULL); | |
929 | i++; | |
930 | ||
931 | } | |
932 | ||
933 | hdac_hdmi_add_pinmux_cvt_route(edev, widgets, route, i); | |
934 | ||
935 | snd_soc_dapm_new_controls(dapm, widgets, | |
936 | ((2 * hdmi->num_pin) + hdmi->num_cvt)); | |
937 | ||
938 | snd_soc_dapm_add_routes(dapm, route, num_routes); | |
939 | snd_soc_dapm_new_widgets(dapm->card); | |
940 | ||
941 | return 0; | |
18382ead | 942 | |
18382ead SP |
943 | } |
944 | ||
15b91447 | 945 | static int hdac_hdmi_init_dai_map(struct hdac_ext_device *edev) |
18382ead | 946 | { |
15b91447 | 947 | struct hdac_hdmi_priv *hdmi = edev->private_data; |
148569fd | 948 | struct hdac_hdmi_dai_pin_map *dai_map; |
15b91447 | 949 | struct hdac_hdmi_cvt *cvt; |
148569fd | 950 | int dai_id = 0; |
18382ead | 951 | |
148569fd | 952 | if (list_empty(&hdmi->cvt_list)) |
15b91447 | 953 | return -EINVAL; |
18382ead | 954 | |
148569fd SP |
955 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { |
956 | dai_map = &hdmi->dai_map[dai_id]; | |
957 | dai_map->dai_id = dai_id; | |
958 | dai_map->cvt = cvt; | |
18382ead | 959 | |
148569fd | 960 | dai_id++; |
18382ead | 961 | |
148569fd SP |
962 | if (dai_id == HDA_MAX_CVTS) { |
963 | dev_warn(&edev->hdac.dev, | |
964 | "Max dais supported: %d\n", dai_id); | |
965 | break; | |
966 | } | |
967 | } | |
18382ead | 968 | |
15b91447 SP |
969 | return 0; |
970 | } | |
971 | ||
972 | static int hdac_hdmi_add_cvt(struct hdac_ext_device *edev, hda_nid_t nid) | |
973 | { | |
974 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
975 | struct hdac_hdmi_cvt *cvt; | |
4a3478de | 976 | char name[NAME_SIZE]; |
15b91447 SP |
977 | |
978 | cvt = kzalloc(sizeof(*cvt), GFP_KERNEL); | |
979 | if (!cvt) | |
980 | return -ENOMEM; | |
981 | ||
982 | cvt->nid = nid; | |
4a3478de JK |
983 | sprintf(name, "cvt %d", cvt->nid); |
984 | cvt->name = kstrdup(name, GFP_KERNEL); | |
15b91447 SP |
985 | |
986 | list_add_tail(&cvt->head, &hdmi->cvt_list); | |
987 | hdmi->num_cvt++; | |
988 | ||
989 | return hdac_hdmi_query_cvt_params(&edev->hdac, cvt); | |
990 | } | |
991 | ||
b8a54545 SP |
992 | static void hdac_hdmi_present_sense(struct hdac_hdmi_pin *pin, int repoll) |
993 | { | |
994 | struct hdac_ext_device *edev = pin->edev; | |
4a3478de JK |
995 | struct hdac_hdmi_priv *hdmi = edev->private_data; |
996 | struct hdac_hdmi_pcm *pcm; | |
b8a54545 SP |
997 | int val; |
998 | ||
b8a54545 SP |
999 | pin->repoll_count = repoll; |
1000 | ||
1001 | pm_runtime_get_sync(&edev->hdac.dev); | |
1002 | val = snd_hdac_codec_read(&edev->hdac, pin->nid, 0, | |
1003 | AC_VERB_GET_PIN_SENSE, 0); | |
1004 | ||
1005 | dev_dbg(&edev->hdac.dev, "Pin sense val %x for pin: %d\n", | |
1006 | val, pin->nid); | |
1007 | ||
4a3478de JK |
1008 | |
1009 | mutex_lock(&hdmi->pin_mutex); | |
b8a54545 SP |
1010 | pin->eld.monitor_present = !!(val & AC_PINSENSE_PRESENCE); |
1011 | pin->eld.eld_valid = !!(val & AC_PINSENSE_ELDV); | |
1012 | ||
4a3478de JK |
1013 | pcm = hdac_hdmi_get_pcm(edev, pin); |
1014 | ||
b8a54545 SP |
1015 | if (!pin->eld.monitor_present || !pin->eld.eld_valid) { |
1016 | ||
1017 | dev_dbg(&edev->hdac.dev, "%s: disconnect for pin %d\n", | |
1018 | __func__, pin->nid); | |
4a3478de JK |
1019 | |
1020 | /* | |
1021 | * PCMs are not registered during device probe, so don't | |
1022 | * report jack here. It will be done in usermode mux | |
1023 | * control select. | |
1024 | */ | |
1025 | if (pcm) { | |
1026 | dev_dbg(&edev->hdac.dev, | |
1027 | "jack report for pcm=%d\n", pcm->pcm_id); | |
1028 | ||
1029 | snd_jack_report(pcm->jack, 0); | |
1030 | } | |
1031 | ||
1032 | mutex_unlock(&hdmi->pin_mutex); | |
b8a54545 SP |
1033 | goto put_hdac_device; |
1034 | } | |
1035 | ||
1036 | if (pin->eld.monitor_present && pin->eld.eld_valid) { | |
1037 | /* TODO: use i915 component for reading ELD later */ | |
1038 | if (hdac_hdmi_get_eld(&edev->hdac, pin->nid, | |
1039 | pin->eld.eld_buffer, | |
1040 | &pin->eld.eld_size) == 0) { | |
1041 | ||
4a3478de JK |
1042 | if (pcm) { |
1043 | dev_dbg(&edev->hdac.dev, | |
1044 | "jack report for pcm=%d\n", | |
1045 | pcm->pcm_id); | |
1046 | ||
1047 | snd_jack_report(pcm->jack, SND_JACK_AVOUT); | |
1048 | } | |
1049 | ||
b8a54545 SP |
1050 | print_hex_dump_bytes("ELD: ", DUMP_PREFIX_OFFSET, |
1051 | pin->eld.eld_buffer, pin->eld.eld_size); | |
1052 | } else { | |
1053 | pin->eld.monitor_present = false; | |
1054 | pin->eld.eld_valid = false; | |
4a3478de JK |
1055 | |
1056 | if (pcm) { | |
1057 | dev_dbg(&edev->hdac.dev, | |
1058 | "jack report for pcm=%d\n", | |
1059 | pcm->pcm_id); | |
1060 | ||
1061 | snd_jack_report(pcm->jack, 0); | |
1062 | } | |
b8a54545 SP |
1063 | } |
1064 | } | |
1065 | ||
4a3478de JK |
1066 | mutex_unlock(&hdmi->pin_mutex); |
1067 | ||
b8a54545 SP |
1068 | /* |
1069 | * Sometimes the pin_sense may present invalid monitor | |
1070 | * present and eld_valid. If ELD data is not valid, loop few | |
1071 | * more times to get correct pin sense and valid ELD. | |
1072 | */ | |
1073 | if ((!pin->eld.monitor_present || !pin->eld.eld_valid) && repoll) | |
1074 | schedule_delayed_work(&pin->work, msecs_to_jiffies(300)); | |
1075 | ||
1076 | put_hdac_device: | |
1077 | pm_runtime_put_sync(&edev->hdac.dev); | |
1078 | } | |
1079 | ||
1080 | static void hdac_hdmi_repoll_eld(struct work_struct *work) | |
1081 | { | |
1082 | struct hdac_hdmi_pin *pin = | |
1083 | container_of(to_delayed_work(work), struct hdac_hdmi_pin, work); | |
1084 | ||
1085 | /* picked from legacy HDA driver */ | |
1086 | if (pin->repoll_count++ > 6) | |
1087 | pin->repoll_count = 0; | |
1088 | ||
1089 | hdac_hdmi_present_sense(pin, pin->repoll_count); | |
1090 | } | |
1091 | ||
15b91447 SP |
1092 | static int hdac_hdmi_add_pin(struct hdac_ext_device *edev, hda_nid_t nid) |
1093 | { | |
1094 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1095 | struct hdac_hdmi_pin *pin; | |
1096 | ||
1097 | pin = kzalloc(sizeof(*pin), GFP_KERNEL); | |
1098 | if (!pin) | |
1099 | return -ENOMEM; | |
1100 | ||
1101 | pin->nid = nid; | |
1102 | ||
1103 | list_add_tail(&pin->head, &hdmi->pin_list); | |
1104 | hdmi->num_pin++; | |
1105 | ||
b8a54545 SP |
1106 | pin->edev = edev; |
1107 | INIT_DELAYED_WORK(&pin->work, hdac_hdmi_repoll_eld); | |
1108 | ||
15b91447 | 1109 | return 0; |
18382ead SP |
1110 | } |
1111 | ||
211caab7 SP |
1112 | #define INTEL_VENDOR_NID 0x08 |
1113 | #define INTEL_GET_VENDOR_VERB 0xf81 | |
1114 | #define INTEL_SET_VENDOR_VERB 0x781 | |
1115 | #define INTEL_EN_DP12 0x02 /* enable DP 1.2 features */ | |
1116 | #define INTEL_EN_ALL_PIN_CVTS 0x01 /* enable 2nd & 3rd pins and convertors */ | |
1117 | ||
1118 | static void hdac_hdmi_skl_enable_all_pins(struct hdac_device *hdac) | |
1119 | { | |
1120 | unsigned int vendor_param; | |
1121 | ||
1122 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
1123 | INTEL_GET_VENDOR_VERB, 0); | |
1124 | if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS) | |
1125 | return; | |
1126 | ||
1127 | vendor_param |= INTEL_EN_ALL_PIN_CVTS; | |
1128 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
1129 | INTEL_SET_VENDOR_VERB, vendor_param); | |
1130 | if (vendor_param == -1) | |
1131 | return; | |
1132 | } | |
1133 | ||
1134 | static void hdac_hdmi_skl_enable_dp12(struct hdac_device *hdac) | |
1135 | { | |
1136 | unsigned int vendor_param; | |
1137 | ||
1138 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
1139 | INTEL_GET_VENDOR_VERB, 0); | |
1140 | if (vendor_param == -1 || vendor_param & INTEL_EN_DP12) | |
1141 | return; | |
1142 | ||
1143 | /* enable DP1.2 mode */ | |
1144 | vendor_param |= INTEL_EN_DP12; | |
1145 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
1146 | INTEL_SET_VENDOR_VERB, vendor_param); | |
1147 | if (vendor_param == -1) | |
1148 | return; | |
1149 | ||
1150 | } | |
1151 | ||
17a42c45 SP |
1152 | static struct snd_soc_dai_ops hdmi_dai_ops = { |
1153 | .startup = hdac_hdmi_pcm_open, | |
1154 | .shutdown = hdac_hdmi_pcm_close, | |
1155 | .hw_params = hdac_hdmi_set_hw_params, | |
1156 | .prepare = hdac_hdmi_playback_prepare, | |
1157 | .hw_free = hdac_hdmi_playback_cleanup, | |
1158 | }; | |
1159 | ||
1160 | /* | |
1161 | * Each converter can support a stream independently. So a dai is created | |
1162 | * based on the number of converter queried. | |
1163 | */ | |
1164 | static int hdac_hdmi_create_dais(struct hdac_device *hdac, | |
1165 | struct snd_soc_dai_driver **dais, | |
1166 | struct hdac_hdmi_priv *hdmi, int num_dais) | |
1167 | { | |
1168 | struct snd_soc_dai_driver *hdmi_dais; | |
1169 | struct hdac_hdmi_cvt *cvt; | |
1170 | char name[NAME_SIZE], dai_name[NAME_SIZE]; | |
1171 | int i = 0; | |
1172 | u32 rates, bps; | |
1173 | unsigned int rate_max = 384000, rate_min = 8000; | |
1174 | u64 formats; | |
1175 | int ret; | |
1176 | ||
1177 | hdmi_dais = devm_kzalloc(&hdac->dev, | |
1178 | (sizeof(*hdmi_dais) * num_dais), | |
1179 | GFP_KERNEL); | |
1180 | if (!hdmi_dais) | |
1181 | return -ENOMEM; | |
1182 | ||
1183 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { | |
1184 | ret = snd_hdac_query_supported_pcm(hdac, cvt->nid, | |
1185 | &rates, &formats, &bps); | |
1186 | if (ret) | |
1187 | return ret; | |
1188 | ||
1189 | sprintf(dai_name, "intel-hdmi-hifi%d", i+1); | |
1190 | hdmi_dais[i].name = devm_kstrdup(&hdac->dev, | |
1191 | dai_name, GFP_KERNEL); | |
1192 | ||
1193 | if (!hdmi_dais[i].name) | |
1194 | return -ENOMEM; | |
1195 | ||
1196 | snprintf(name, sizeof(name), "hifi%d", i+1); | |
1197 | hdmi_dais[i].playback.stream_name = | |
1198 | devm_kstrdup(&hdac->dev, name, GFP_KERNEL); | |
1199 | if (!hdmi_dais[i].playback.stream_name) | |
1200 | return -ENOMEM; | |
1201 | ||
1202 | /* | |
1203 | * Set caps based on capability queried from the converter. | |
1204 | * It will be constrained runtime based on ELD queried. | |
1205 | */ | |
1206 | hdmi_dais[i].playback.formats = formats; | |
1207 | hdmi_dais[i].playback.rates = rates; | |
1208 | hdmi_dais[i].playback.rate_max = rate_max; | |
1209 | hdmi_dais[i].playback.rate_min = rate_min; | |
1210 | hdmi_dais[i].playback.channels_min = 2; | |
1211 | hdmi_dais[i].playback.channels_max = 2; | |
1212 | hdmi_dais[i].ops = &hdmi_dai_ops; | |
1213 | ||
1214 | i++; | |
1215 | } | |
1216 | ||
1217 | *dais = hdmi_dais; | |
1218 | ||
1219 | return 0; | |
1220 | } | |
1221 | ||
18382ead SP |
1222 | /* |
1223 | * Parse all nodes and store the cvt/pin nids in array | |
1224 | * Add one time initialization for pin and cvt widgets | |
1225 | */ | |
17a42c45 SP |
1226 | static int hdac_hdmi_parse_and_map_nid(struct hdac_ext_device *edev, |
1227 | struct snd_soc_dai_driver **dais, int *num_dais) | |
18382ead SP |
1228 | { |
1229 | hda_nid_t nid; | |
3c83ac23 | 1230 | int i, num_nodes; |
18382ead SP |
1231 | struct hdac_device *hdac = &edev->hdac; |
1232 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
15b91447 | 1233 | int ret; |
18382ead | 1234 | |
211caab7 SP |
1235 | hdac_hdmi_skl_enable_all_pins(hdac); |
1236 | hdac_hdmi_skl_enable_dp12(hdac); | |
1237 | ||
3c83ac23 | 1238 | num_nodes = snd_hdac_get_sub_nodes(hdac, hdac->afg, &nid); |
541140d4 | 1239 | if (!nid || num_nodes <= 0) { |
18382ead SP |
1240 | dev_warn(&hdac->dev, "HDMI: failed to get afg sub nodes\n"); |
1241 | return -EINVAL; | |
1242 | } | |
1243 | ||
3c83ac23 | 1244 | hdac->num_nodes = num_nodes; |
18382ead SP |
1245 | hdac->start_nid = nid; |
1246 | ||
1247 | for (i = 0; i < hdac->num_nodes; i++, nid++) { | |
1248 | unsigned int caps; | |
1249 | unsigned int type; | |
1250 | ||
1251 | caps = get_wcaps(hdac, nid); | |
1252 | type = get_wcaps_type(caps); | |
1253 | ||
1254 | if (!(caps & AC_WCAP_DIGITAL)) | |
1255 | continue; | |
1256 | ||
1257 | switch (type) { | |
1258 | ||
1259 | case AC_WID_AUD_OUT: | |
15b91447 SP |
1260 | ret = hdac_hdmi_add_cvt(edev, nid); |
1261 | if (ret < 0) | |
1262 | return ret; | |
18382ead SP |
1263 | break; |
1264 | ||
1265 | case AC_WID_PIN: | |
15b91447 SP |
1266 | ret = hdac_hdmi_add_pin(edev, nid); |
1267 | if (ret < 0) | |
1268 | return ret; | |
18382ead SP |
1269 | break; |
1270 | } | |
1271 | } | |
1272 | ||
1273 | hdac->end_nid = nid; | |
1274 | ||
15b91447 | 1275 | if (!hdmi->num_pin || !hdmi->num_cvt) |
18382ead SP |
1276 | return -EIO; |
1277 | ||
17a42c45 SP |
1278 | ret = hdac_hdmi_create_dais(hdac, dais, hdmi, hdmi->num_cvt); |
1279 | if (ret) { | |
1280 | dev_err(&hdac->dev, "Failed to create dais with err: %d\n", | |
1281 | ret); | |
1282 | return ret; | |
1283 | } | |
1284 | ||
1285 | *num_dais = hdmi->num_cvt; | |
1286 | ||
15b91447 | 1287 | return hdac_hdmi_init_dai_map(edev); |
18382ead SP |
1288 | } |
1289 | ||
b8a54545 SP |
1290 | static void hdac_hdmi_eld_notify_cb(void *aptr, int port) |
1291 | { | |
1292 | struct hdac_ext_device *edev = aptr; | |
1293 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1294 | struct hdac_hdmi_pin *pin; | |
1295 | struct snd_soc_codec *codec = edev->scodec; | |
1296 | ||
1297 | /* Don't know how this mapping is derived */ | |
1298 | hda_nid_t pin_nid = port + 0x04; | |
1299 | ||
1300 | dev_dbg(&edev->hdac.dev, "%s: for pin: %d\n", __func__, pin_nid); | |
1301 | ||
1302 | /* | |
1303 | * skip notification during system suspend (but not in runtime PM); | |
1304 | * the state will be updated at resume. Also since the ELD and | |
1305 | * connection states are updated in anyway at the end of the resume, | |
1306 | * we can skip it when received during PM process. | |
1307 | */ | |
1308 | if (snd_power_get_state(codec->component.card->snd_card) != | |
1309 | SNDRV_CTL_POWER_D0) | |
1310 | return; | |
1311 | ||
1312 | if (atomic_read(&edev->hdac.in_pm)) | |
1313 | return; | |
1314 | ||
1315 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
1316 | if (pin->nid == pin_nid) | |
1317 | hdac_hdmi_present_sense(pin, 1); | |
1318 | } | |
1319 | } | |
1320 | ||
1321 | static struct i915_audio_component_audio_ops aops = { | |
1322 | .pin_eld_notify = hdac_hdmi_eld_notify_cb, | |
1323 | }; | |
1324 | ||
4a3478de JK |
1325 | int hdac_hdmi_jack_init(struct snd_soc_dai *dai, int device) |
1326 | { | |
1327 | char jack_name[NAME_SIZE]; | |
1328 | struct snd_soc_codec *codec = dai->codec; | |
1329 | struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); | |
1330 | struct snd_soc_dapm_context *dapm = | |
1331 | snd_soc_component_get_dapm(&codec->component); | |
1332 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1333 | struct hdac_hdmi_pcm *pcm; | |
1334 | ||
1335 | /* | |
1336 | * this is a new PCM device, create new pcm and | |
1337 | * add to the pcm list | |
1338 | */ | |
1339 | pcm = kzalloc(sizeof(*pcm), GFP_KERNEL); | |
1340 | if (!pcm) | |
1341 | return -ENOMEM; | |
1342 | pcm->pcm_id = device; | |
1343 | pcm->cvt = hdmi->dai_map[dai->id].cvt; | |
1344 | ||
1345 | list_add_tail(&pcm->head, &hdmi->pcm_list); | |
1346 | ||
1347 | sprintf(jack_name, "HDMI/DP, pcm=%d Jack", device); | |
1348 | ||
1349 | return snd_jack_new(dapm->card->snd_card, jack_name, | |
1350 | SND_JACK_AVOUT, &pcm->jack, true, false); | |
1351 | } | |
1352 | EXPORT_SYMBOL_GPL(hdac_hdmi_jack_init); | |
1353 | ||
18382ead SP |
1354 | static int hdmi_codec_probe(struct snd_soc_codec *codec) |
1355 | { | |
1356 | struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); | |
1357 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1358 | struct snd_soc_dapm_context *dapm = | |
1359 | snd_soc_component_get_dapm(&codec->component); | |
b8a54545 SP |
1360 | struct hdac_hdmi_pin *pin; |
1361 | int ret; | |
18382ead SP |
1362 | |
1363 | edev->scodec = codec; | |
1364 | ||
79f4e922 SP |
1365 | ret = create_fill_widget_route_map(dapm); |
1366 | if (ret < 0) | |
1367 | return ret; | |
18382ead | 1368 | |
b8a54545 SP |
1369 | aops.audio_ptr = edev; |
1370 | ret = snd_hdac_i915_register_notifier(&aops); | |
1371 | if (ret < 0) { | |
1372 | dev_err(&edev->hdac.dev, "notifier register failed: err: %d\n", | |
1373 | ret); | |
1374 | return ret; | |
1375 | } | |
1376 | ||
1377 | list_for_each_entry(pin, &hdmi->pin_list, head) | |
1378 | hdac_hdmi_present_sense(pin, 1); | |
1379 | ||
18382ead SP |
1380 | /* Imp: Store the card pointer in hda_codec */ |
1381 | edev->card = dapm->card->snd_card; | |
1382 | ||
e342ac08 SP |
1383 | /* |
1384 | * hdac_device core already sets the state to active and calls | |
1385 | * get_noresume. So enable runtime and set the device to suspend. | |
1386 | */ | |
1387 | pm_runtime_enable(&edev->hdac.dev); | |
1388 | pm_runtime_put(&edev->hdac.dev); | |
1389 | pm_runtime_suspend(&edev->hdac.dev); | |
1390 | ||
1391 | return 0; | |
1392 | } | |
1393 | ||
1394 | static int hdmi_codec_remove(struct snd_soc_codec *codec) | |
1395 | { | |
1396 | struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); | |
1397 | ||
1398 | pm_runtime_disable(&edev->hdac.dev); | |
18382ead SP |
1399 | return 0; |
1400 | } | |
1401 | ||
1402 | static struct snd_soc_codec_driver hdmi_hda_codec = { | |
1403 | .probe = hdmi_codec_probe, | |
e342ac08 | 1404 | .remove = hdmi_codec_remove, |
18382ead SP |
1405 | .idle_bias_off = true, |
1406 | }; | |
1407 | ||
18382ead SP |
1408 | static int hdac_hdmi_dev_probe(struct hdac_ext_device *edev) |
1409 | { | |
1410 | struct hdac_device *codec = &edev->hdac; | |
1411 | struct hdac_hdmi_priv *hdmi_priv; | |
17a42c45 SP |
1412 | struct snd_soc_dai_driver *hdmi_dais = NULL; |
1413 | int num_dais = 0; | |
18382ead SP |
1414 | int ret = 0; |
1415 | ||
1416 | hdmi_priv = devm_kzalloc(&codec->dev, sizeof(*hdmi_priv), GFP_KERNEL); | |
1417 | if (hdmi_priv == NULL) | |
1418 | return -ENOMEM; | |
1419 | ||
1420 | edev->private_data = hdmi_priv; | |
1421 | ||
1422 | dev_set_drvdata(&codec->dev, edev); | |
1423 | ||
15b91447 SP |
1424 | INIT_LIST_HEAD(&hdmi_priv->pin_list); |
1425 | INIT_LIST_HEAD(&hdmi_priv->cvt_list); | |
4a3478de JK |
1426 | INIT_LIST_HEAD(&hdmi_priv->pcm_list); |
1427 | mutex_init(&hdmi_priv->pin_mutex); | |
15b91447 | 1428 | |
aeaccef0 RB |
1429 | /* |
1430 | * Turned off in the runtime_suspend during the first explicit | |
1431 | * pm_runtime_suspend call. | |
1432 | */ | |
1433 | ret = snd_hdac_display_power(edev->hdac.bus, true); | |
1434 | if (ret < 0) { | |
1435 | dev_err(&edev->hdac.dev, | |
1436 | "Cannot turn on display power on i915 err: %d\n", | |
1437 | ret); | |
1438 | return ret; | |
1439 | } | |
1440 | ||
17a42c45 SP |
1441 | ret = hdac_hdmi_parse_and_map_nid(edev, &hdmi_dais, &num_dais); |
1442 | if (ret < 0) { | |
1443 | dev_err(&codec->dev, | |
1444 | "Failed in parse and map nid with err: %d\n", ret); | |
18382ead | 1445 | return ret; |
17a42c45 | 1446 | } |
18382ead SP |
1447 | |
1448 | /* ASoC specific initialization */ | |
1449 | return snd_soc_register_codec(&codec->dev, &hdmi_hda_codec, | |
17a42c45 | 1450 | hdmi_dais, num_dais); |
18382ead SP |
1451 | } |
1452 | ||
1453 | static int hdac_hdmi_dev_remove(struct hdac_ext_device *edev) | |
1454 | { | |
15b91447 SP |
1455 | struct hdac_hdmi_priv *hdmi = edev->private_data; |
1456 | struct hdac_hdmi_pin *pin, *pin_next; | |
1457 | struct hdac_hdmi_cvt *cvt, *cvt_next; | |
4a3478de | 1458 | struct hdac_hdmi_pcm *pcm, *pcm_next; |
15b91447 | 1459 | |
18382ead SP |
1460 | snd_soc_unregister_codec(&edev->hdac.dev); |
1461 | ||
4a3478de JK |
1462 | list_for_each_entry_safe(pcm, pcm_next, &hdmi->pcm_list, head) { |
1463 | pcm->cvt = NULL; | |
1464 | pcm->pin = NULL; | |
1465 | list_del(&pcm->head); | |
1466 | kfree(pcm); | |
1467 | } | |
1468 | ||
15b91447 SP |
1469 | list_for_each_entry_safe(cvt, cvt_next, &hdmi->cvt_list, head) { |
1470 | list_del(&cvt->head); | |
4a3478de | 1471 | kfree(cvt->name); |
15b91447 SP |
1472 | kfree(cvt); |
1473 | } | |
1474 | ||
1475 | list_for_each_entry_safe(pin, pin_next, &hdmi->pin_list, head) { | |
1476 | list_del(&pin->head); | |
1477 | kfree(pin); | |
1478 | } | |
1479 | ||
18382ead SP |
1480 | return 0; |
1481 | } | |
1482 | ||
e342ac08 SP |
1483 | #ifdef CONFIG_PM |
1484 | static int hdac_hdmi_runtime_suspend(struct device *dev) | |
1485 | { | |
1486 | struct hdac_ext_device *edev = to_hda_ext_device(dev); | |
1487 | struct hdac_device *hdac = &edev->hdac; | |
07f083ab | 1488 | struct hdac_bus *bus = hdac->bus; |
7ed49700 | 1489 | unsigned long timeout; |
07f083ab | 1490 | int err; |
e342ac08 SP |
1491 | |
1492 | dev_dbg(dev, "Enter: %s\n", __func__); | |
1493 | ||
07f083ab SP |
1494 | /* controller may not have been initialized for the first time */ |
1495 | if (!bus) | |
1496 | return 0; | |
1497 | ||
e342ac08 | 1498 | /* Power down afg */ |
7ed49700 | 1499 | if (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D3)) { |
e342ac08 SP |
1500 | snd_hdac_codec_write(hdac, hdac->afg, 0, |
1501 | AC_VERB_SET_POWER_STATE, AC_PWRST_D3); | |
1502 | ||
7ed49700 SP |
1503 | /* Wait till power state is set to D3 */ |
1504 | timeout = jiffies + msecs_to_jiffies(1000); | |
1505 | while (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D3) | |
1506 | && time_before(jiffies, timeout)) { | |
1507 | ||
1508 | msleep(50); | |
1509 | } | |
1510 | } | |
1511 | ||
07f083ab SP |
1512 | err = snd_hdac_display_power(bus, false); |
1513 | if (err < 0) { | |
1514 | dev_err(bus->dev, "Cannot turn on display power on i915\n"); | |
1515 | return err; | |
1516 | } | |
1517 | ||
e342ac08 SP |
1518 | return 0; |
1519 | } | |
1520 | ||
1521 | static int hdac_hdmi_runtime_resume(struct device *dev) | |
1522 | { | |
1523 | struct hdac_ext_device *edev = to_hda_ext_device(dev); | |
1524 | struct hdac_device *hdac = &edev->hdac; | |
07f083ab SP |
1525 | struct hdac_bus *bus = hdac->bus; |
1526 | int err; | |
e342ac08 SP |
1527 | |
1528 | dev_dbg(dev, "Enter: %s\n", __func__); | |
1529 | ||
07f083ab SP |
1530 | /* controller may not have been initialized for the first time */ |
1531 | if (!bus) | |
1532 | return 0; | |
1533 | ||
1534 | err = snd_hdac_display_power(bus, true); | |
1535 | if (err < 0) { | |
1536 | dev_err(bus->dev, "Cannot turn on display power on i915\n"); | |
1537 | return err; | |
1538 | } | |
1539 | ||
ab85f5b3 SP |
1540 | hdac_hdmi_skl_enable_all_pins(&edev->hdac); |
1541 | hdac_hdmi_skl_enable_dp12(&edev->hdac); | |
1542 | ||
e342ac08 SP |
1543 | /* Power up afg */ |
1544 | if (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D0)) | |
1545 | snd_hdac_codec_write(hdac, hdac->afg, 0, | |
1546 | AC_VERB_SET_POWER_STATE, AC_PWRST_D0); | |
1547 | ||
1548 | return 0; | |
1549 | } | |
1550 | #else | |
1551 | #define hdac_hdmi_runtime_suspend NULL | |
1552 | #define hdac_hdmi_runtime_resume NULL | |
1553 | #endif | |
1554 | ||
1555 | static const struct dev_pm_ops hdac_hdmi_pm = { | |
1556 | SET_RUNTIME_PM_OPS(hdac_hdmi_runtime_suspend, hdac_hdmi_runtime_resume, NULL) | |
1557 | }; | |
1558 | ||
18382ead SP |
1559 | static const struct hda_device_id hdmi_list[] = { |
1560 | HDA_CODEC_EXT_ENTRY(0x80862809, 0x100000, "Skylake HDMI", 0), | |
1561 | {} | |
1562 | }; | |
1563 | ||
1564 | MODULE_DEVICE_TABLE(hdaudio, hdmi_list); | |
1565 | ||
1566 | static struct hdac_ext_driver hdmi_driver = { | |
1567 | . hdac = { | |
1568 | .driver = { | |
1569 | .name = "HDMI HDA Codec", | |
e342ac08 | 1570 | .pm = &hdac_hdmi_pm, |
18382ead SP |
1571 | }, |
1572 | .id_table = hdmi_list, | |
1573 | }, | |
1574 | .probe = hdac_hdmi_dev_probe, | |
1575 | .remove = hdac_hdmi_dev_remove, | |
1576 | }; | |
1577 | ||
1578 | static int __init hdmi_init(void) | |
1579 | { | |
1580 | return snd_hda_ext_driver_register(&hdmi_driver); | |
1581 | } | |
1582 | ||
1583 | static void __exit hdmi_exit(void) | |
1584 | { | |
1585 | snd_hda_ext_driver_unregister(&hdmi_driver); | |
1586 | } | |
1587 | ||
1588 | module_init(hdmi_init); | |
1589 | module_exit(hdmi_exit); | |
1590 | ||
1591 | MODULE_LICENSE("GPL v2"); | |
1592 | MODULE_DESCRIPTION("HDMI HD codec"); | |
1593 | MODULE_AUTHOR("Samreen Nilofer<samreen.nilofer@intel.com>"); | |
1594 | MODULE_AUTHOR("Subhransu S. Prusty<subhransu.s.prusty@intel.com>"); |