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 | break; |
307 | ||
308 | case DRM_ELD_CONN_TYPE_DP: | |
309 | memset(&dp_ai, 0, sizeof(dp_ai)); | |
310 | dp_ai.type = 0x84; | |
311 | dp_ai.len = 0x1b; | |
312 | dp_ai.ver = 0x11 << 2; | |
313 | dp_ai.CC02_CT47 = channels - 1; | |
314 | dp_ai.CA = 0; | |
315 | ||
316 | dip = (u8 *)&dp_ai; | |
317 | break; | |
318 | ||
319 | default: | |
320 | dev_err(&hdac->hdac.dev, "Invalid connection type: %d\n", | |
321 | conn_type); | |
322 | return -EIO; | |
323 | } | |
a657f1d0 SP |
324 | |
325 | /* stop infoframe transmission */ | |
326 | hdac_hdmi_set_dip_index(hdac, pin_nid, 0x0, 0x0); | |
327 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, | |
328 | AC_VERB_SET_HDMI_DIP_XMIT, AC_DIPXMIT_DISABLE); | |
329 | ||
330 | ||
331 | /* Fill infoframe. Index auto-incremented */ | |
332 | hdac_hdmi_set_dip_index(hdac, pin_nid, 0x0, 0x0); | |
478f544e | 333 | if (conn_type == DRM_ELD_CONN_TYPE_HDMI) { |
391005e8 | 334 | for (i = 0; i < sizeof(buffer); i++) |
478f544e | 335 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, |
391005e8 | 336 | AC_VERB_SET_HDMI_DIP_DATA, buffer[i]); |
478f544e SP |
337 | } else { |
338 | for (i = 0; i < sizeof(dp_ai); i++) | |
339 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, | |
a657f1d0 | 340 | AC_VERB_SET_HDMI_DIP_DATA, dip[i]); |
478f544e | 341 | } |
a657f1d0 SP |
342 | |
343 | /* Start infoframe */ | |
344 | hdac_hdmi_set_dip_index(hdac, pin_nid, 0x0, 0x0); | |
345 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, | |
346 | AC_VERB_SET_HDMI_DIP_XMIT, AC_DIPXMIT_BEST); | |
347 | ||
348 | return 0; | |
349 | } | |
350 | ||
b0362adb SP |
351 | static void hdac_hdmi_set_power_state(struct hdac_ext_device *edev, |
352 | struct hdac_hdmi_dai_pin_map *dai_map, unsigned int pwr_state) | |
353 | { | |
354 | /* Power up pin widget */ | |
15b91447 SP |
355 | if (!snd_hdac_check_power_state(&edev->hdac, dai_map->pin->nid, |
356 | pwr_state)) | |
357 | snd_hdac_codec_write(&edev->hdac, dai_map->pin->nid, 0, | |
b0362adb SP |
358 | AC_VERB_SET_POWER_STATE, pwr_state); |
359 | ||
360 | /* Power up converter */ | |
15b91447 SP |
361 | if (!snd_hdac_check_power_state(&edev->hdac, dai_map->cvt->nid, |
362 | pwr_state)) | |
363 | snd_hdac_codec_write(&edev->hdac, dai_map->cvt->nid, 0, | |
b0362adb SP |
364 | AC_VERB_SET_POWER_STATE, pwr_state); |
365 | } | |
366 | ||
367 | static int hdac_hdmi_playback_prepare(struct snd_pcm_substream *substream, | |
368 | struct snd_soc_dai *dai) | |
369 | { | |
370 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
371 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
372 | struct hdac_hdmi_dai_pin_map *dai_map; | |
373 | struct hdac_ext_dma_params *dd; | |
a657f1d0 | 374 | int ret; |
b0362adb | 375 | |
b0362adb SP |
376 | dai_map = &hdmi->dai_map[dai->id]; |
377 | ||
378 | dd = (struct hdac_ext_dma_params *)snd_soc_dai_get_dma_data(dai, substream); | |
379 | dev_dbg(&hdac->hdac.dev, "stream tag from cpu dai %d format in cvt 0x%x\n", | |
380 | dd->stream_tag, dd->format); | |
381 | ||
15b91447 SP |
382 | ret = hdac_hdmi_setup_audio_infoframe(hdac, dai_map->cvt->nid, |
383 | dai_map->pin->nid); | |
a657f1d0 SP |
384 | if (ret < 0) |
385 | return ret; | |
386 | ||
15b91447 SP |
387 | return hdac_hdmi_setup_stream(hdac, dai_map->cvt->nid, |
388 | dai_map->pin->nid, dd->stream_tag, dd->format); | |
b0362adb SP |
389 | } |
390 | ||
391 | static int hdac_hdmi_set_hw_params(struct snd_pcm_substream *substream, | |
392 | struct snd_pcm_hw_params *hparams, struct snd_soc_dai *dai) | |
393 | { | |
394 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
54dfa1ea SP |
395 | struct hdac_hdmi_priv *hdmi = hdac->private_data; |
396 | struct hdac_hdmi_dai_pin_map *dai_map; | |
397 | struct hdac_hdmi_pin *pin; | |
b0362adb SP |
398 | struct hdac_ext_dma_params *dd; |
399 | ||
54dfa1ea SP |
400 | dai_map = &hdmi->dai_map[dai->id]; |
401 | pin = dai_map->pin; | |
402 | ||
403 | if (!pin) | |
404 | return -ENODEV; | |
405 | ||
406 | if ((!pin->eld.monitor_present) || (!pin->eld.eld_valid)) { | |
407 | dev_err(&hdac->hdac.dev, "device is not configured for this pin: %d\n", | |
408 | pin->nid); | |
b0362adb SP |
409 | return -ENODEV; |
410 | } | |
411 | ||
6793a3d7 SP |
412 | dd = snd_soc_dai_get_dma_data(dai, substream); |
413 | if (!dd) { | |
414 | dd = kzalloc(sizeof(*dd), GFP_KERNEL); | |
415 | if (!dd) | |
416 | return -ENOMEM; | |
417 | } | |
418 | ||
b0362adb SP |
419 | dd->format = snd_hdac_calc_stream_format(params_rate(hparams), |
420 | params_channels(hparams), params_format(hparams), | |
421 | 24, 0); | |
422 | ||
423 | snd_soc_dai_set_dma_data(dai, substream, (void *)dd); | |
424 | ||
425 | return 0; | |
426 | } | |
427 | ||
428 | static int hdac_hdmi_playback_cleanup(struct snd_pcm_substream *substream, | |
429 | struct snd_soc_dai *dai) | |
430 | { | |
431 | struct hdac_ext_device *edev = snd_soc_dai_get_drvdata(dai); | |
432 | struct hdac_ext_dma_params *dd; | |
433 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
434 | struct hdac_hdmi_dai_pin_map *dai_map; | |
435 | ||
436 | dai_map = &hdmi->dai_map[dai->id]; | |
437 | ||
b0362adb | 438 | dd = (struct hdac_ext_dma_params *)snd_soc_dai_get_dma_data(dai, substream); |
b0362adb | 439 | |
6793a3d7 SP |
440 | if (dd) { |
441 | snd_soc_dai_set_dma_data(dai, substream, NULL); | |
442 | kfree(dd); | |
443 | } | |
b0362adb SP |
444 | |
445 | return 0; | |
446 | } | |
447 | ||
ab85f5b3 SP |
448 | static void hdac_hdmi_enable_cvt(struct hdac_ext_device *edev, |
449 | struct hdac_hdmi_dai_pin_map *dai_map) | |
450 | { | |
451 | /* Enable transmission */ | |
452 | snd_hdac_codec_write(&edev->hdac, dai_map->cvt->nid, 0, | |
453 | AC_VERB_SET_DIGI_CONVERT_1, 1); | |
454 | ||
455 | /* Category Code (CC) to zero */ | |
456 | snd_hdac_codec_write(&edev->hdac, dai_map->cvt->nid, 0, | |
457 | AC_VERB_SET_DIGI_CONVERT_2, 0); | |
458 | } | |
459 | ||
148569fd SP |
460 | static int hdac_hdmi_enable_pin(struct hdac_ext_device *hdac, |
461 | struct hdac_hdmi_dai_pin_map *dai_map) | |
462 | { | |
463 | int mux_idx; | |
464 | struct hdac_hdmi_pin *pin = dai_map->pin; | |
465 | ||
466 | for (mux_idx = 0; mux_idx < pin->num_mux_nids; mux_idx++) { | |
467 | if (pin->mux_nids[mux_idx] == dai_map->cvt->nid) { | |
468 | snd_hdac_codec_write(&hdac->hdac, pin->nid, 0, | |
469 | AC_VERB_SET_CONNECT_SEL, mux_idx); | |
470 | break; | |
471 | } | |
472 | } | |
473 | ||
474 | if (mux_idx == pin->num_mux_nids) | |
475 | return -EIO; | |
476 | ||
477 | /* Enable out path for this pin widget */ | |
478 | snd_hdac_codec_write(&hdac->hdac, pin->nid, 0, | |
479 | AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); | |
480 | ||
481 | hdac_hdmi_set_power_state(hdac, dai_map, AC_PWRST_D0); | |
482 | ||
483 | snd_hdac_codec_write(&hdac->hdac, pin->nid, 0, | |
484 | AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE); | |
485 | ||
486 | return 0; | |
487 | } | |
488 | ||
489 | static int hdac_hdmi_query_pin_connlist(struct hdac_ext_device *hdac, | |
490 | struct hdac_hdmi_pin *pin) | |
491 | { | |
492 | if (!(get_wcaps(&hdac->hdac, pin->nid) & AC_WCAP_CONN_LIST)) { | |
493 | dev_warn(&hdac->hdac.dev, | |
494 | "HDMI: pin %d wcaps %#x does not support connection list\n", | |
495 | pin->nid, get_wcaps(&hdac->hdac, pin->nid)); | |
496 | return -EINVAL; | |
497 | } | |
498 | ||
499 | pin->num_mux_nids = snd_hdac_get_connections(&hdac->hdac, pin->nid, | |
500 | pin->mux_nids, HDA_MAX_CONNECTIONS); | |
501 | if (pin->num_mux_nids == 0) | |
502 | dev_warn(&hdac->hdac.dev, "No connections found for pin: %d\n", | |
503 | pin->nid); | |
504 | ||
505 | dev_dbg(&hdac->hdac.dev, "num_mux_nids %d for pin: %d\n", | |
506 | pin->num_mux_nids, pin->nid); | |
507 | ||
508 | return pin->num_mux_nids; | |
509 | } | |
510 | ||
511 | /* | |
512 | * Query pcm list and return pin widget to which stream is routed. | |
513 | * | |
514 | * Also query connection list of the pin, to validate the cvt to pin map. | |
515 | * | |
516 | * Same stream rendering to multiple pins simultaneously can be done | |
517 | * possibly, but not supported for now in driver. So return the first pin | |
518 | * connected. | |
519 | */ | |
520 | static struct hdac_hdmi_pin *hdac_hdmi_get_pin_from_cvt( | |
521 | struct hdac_ext_device *edev, | |
522 | struct hdac_hdmi_priv *hdmi, | |
523 | struct hdac_hdmi_cvt *cvt) | |
524 | { | |
525 | struct hdac_hdmi_pcm *pcm; | |
526 | struct hdac_hdmi_pin *pin = NULL; | |
527 | int ret, i; | |
528 | ||
529 | list_for_each_entry(pcm, &hdmi->pcm_list, head) { | |
530 | if (pcm->cvt == cvt) { | |
531 | pin = pcm->pin; | |
532 | break; | |
533 | } | |
534 | } | |
535 | ||
536 | if (pin) { | |
537 | ret = hdac_hdmi_query_pin_connlist(edev, pin); | |
538 | if (ret < 0) | |
539 | return NULL; | |
540 | ||
541 | for (i = 0; i < pin->num_mux_nids; i++) { | |
542 | if (pin->mux_nids[i] == cvt->nid) | |
543 | return pin; | |
544 | } | |
545 | } | |
546 | ||
547 | return NULL; | |
548 | } | |
549 | ||
54dfa1ea SP |
550 | /* |
551 | * This tries to get a valid pin and set the HW constraints based on the | |
552 | * ELD. Even if a valid pin is not found return success so that device open | |
553 | * doesn't fail. | |
554 | */ | |
b0362adb SP |
555 | static int hdac_hdmi_pcm_open(struct snd_pcm_substream *substream, |
556 | struct snd_soc_dai *dai) | |
557 | { | |
558 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
559 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
560 | struct hdac_hdmi_dai_pin_map *dai_map; | |
148569fd SP |
561 | struct hdac_hdmi_cvt *cvt; |
562 | struct hdac_hdmi_pin *pin; | |
2428bca3 | 563 | int ret; |
b0362adb | 564 | |
b0362adb SP |
565 | dai_map = &hdmi->dai_map[dai->id]; |
566 | ||
148569fd SP |
567 | cvt = dai_map->cvt; |
568 | pin = hdac_hdmi_get_pin_from_cvt(hdac, hdmi, cvt); | |
54dfa1ea SP |
569 | |
570 | /* | |
571 | * To make PA and other userland happy. | |
572 | * userland scans devices so returning error does not help. | |
573 | */ | |
148569fd | 574 | if (!pin) |
54dfa1ea | 575 | return 0; |
148569fd SP |
576 | |
577 | if ((!pin->eld.monitor_present) || | |
578 | (!pin->eld.eld_valid)) { | |
b8a54545 | 579 | |
54dfa1ea | 580 | dev_warn(&hdac->hdac.dev, |
148569fd SP |
581 | "Failed: montior present? %d ELD valid?: %d for pin: %d\n", |
582 | pin->eld.monitor_present, pin->eld.eld_valid, pin->nid); | |
b0362adb | 583 | |
54dfa1ea | 584 | return 0; |
b0362adb SP |
585 | } |
586 | ||
148569fd | 587 | dai_map->pin = pin; |
b0362adb | 588 | |
ab85f5b3 | 589 | hdac_hdmi_enable_cvt(hdac, dai_map); |
148569fd SP |
590 | ret = hdac_hdmi_enable_pin(hdac, dai_map); |
591 | if (ret < 0) | |
592 | return ret; | |
b0362adb | 593 | |
2428bca3 | 594 | ret = hdac_hdmi_eld_limit_formats(substream->runtime, |
148569fd | 595 | pin->eld.eld_buffer); |
2428bca3 SP |
596 | if (ret < 0) |
597 | return ret; | |
b0362adb | 598 | |
2428bca3 | 599 | return snd_pcm_hw_constraint_eld(substream->runtime, |
148569fd | 600 | pin->eld.eld_buffer); |
b0362adb SP |
601 | } |
602 | ||
571d5078 JK |
603 | static int hdac_hdmi_trigger(struct snd_pcm_substream *substream, int cmd, |
604 | struct snd_soc_dai *dai) | |
605 | { | |
606 | struct hdac_hdmi_dai_pin_map *dai_map; | |
607 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
608 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
609 | int ret; | |
610 | ||
611 | dai_map = &hdmi->dai_map[dai->id]; | |
612 | if (cmd == SNDRV_PCM_TRIGGER_RESUME) { | |
613 | ret = hdac_hdmi_enable_pin(hdac, dai_map); | |
614 | if (ret < 0) | |
615 | return ret; | |
616 | ||
617 | return hdac_hdmi_playback_prepare(substream, dai); | |
618 | } | |
619 | ||
620 | return 0; | |
621 | } | |
622 | ||
b0362adb SP |
623 | static void hdac_hdmi_pcm_close(struct snd_pcm_substream *substream, |
624 | struct snd_soc_dai *dai) | |
625 | { | |
626 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
627 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
628 | struct hdac_hdmi_dai_pin_map *dai_map; | |
629 | ||
630 | dai_map = &hdmi->dai_map[dai->id]; | |
631 | ||
54dfa1ea SP |
632 | if (dai_map->pin) { |
633 | snd_hdac_codec_write(&hdac->hdac, dai_map->cvt->nid, 0, | |
634 | AC_VERB_SET_CHANNEL_STREAMID, 0); | |
635 | snd_hdac_codec_write(&hdac->hdac, dai_map->cvt->nid, 0, | |
636 | AC_VERB_SET_STREAM_FORMAT, 0); | |
637 | ||
638 | hdac_hdmi_set_power_state(hdac, dai_map, AC_PWRST_D3); | |
b0362adb | 639 | |
54dfa1ea | 640 | snd_hdac_codec_write(&hdac->hdac, dai_map->pin->nid, 0, |
b0362adb | 641 | AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE); |
148569fd | 642 | |
54dfa1ea SP |
643 | dai_map->pin = NULL; |
644 | } | |
b0362adb SP |
645 | } |
646 | ||
18382ead SP |
647 | static int |
648 | hdac_hdmi_query_cvt_params(struct hdac_device *hdac, struct hdac_hdmi_cvt *cvt) | |
649 | { | |
650 | int err; | |
651 | ||
652 | /* Only stereo supported as of now */ | |
653 | cvt->params.channels_min = cvt->params.channels_max = 2; | |
654 | ||
655 | err = snd_hdac_query_supported_pcm(hdac, cvt->nid, | |
656 | &cvt->params.rates, | |
657 | &cvt->params.formats, | |
658 | &cvt->params.maxbps); | |
659 | if (err < 0) | |
660 | dev_err(&hdac->dev, | |
661 | "Failed to query pcm params for nid %d: %d\n", | |
662 | cvt->nid, err); | |
663 | ||
664 | return err; | |
665 | } | |
666 | ||
79f4e922 SP |
667 | static int hdac_hdmi_fill_widget_info(struct device *dev, |
668 | struct snd_soc_dapm_widget *w, | |
669 | enum snd_soc_dapm_type id, void *priv, | |
670 | const char *wname, const char *stream, | |
671 | struct snd_kcontrol_new *wc, int numkc) | |
18382ead SP |
672 | { |
673 | w->id = id; | |
79f4e922 SP |
674 | w->name = devm_kstrdup(dev, wname, GFP_KERNEL); |
675 | if (!w->name) | |
676 | return -ENOMEM; | |
677 | ||
18382ead SP |
678 | w->sname = stream; |
679 | w->reg = SND_SOC_NOPM; | |
680 | w->shift = 0; | |
79f4e922 SP |
681 | w->kcontrol_news = wc; |
682 | w->num_kcontrols = numkc; | |
683 | w->priv = priv; | |
684 | ||
685 | return 0; | |
18382ead SP |
686 | } |
687 | ||
688 | static void hdac_hdmi_fill_route(struct snd_soc_dapm_route *route, | |
79f4e922 SP |
689 | const char *sink, const char *control, const char *src, |
690 | int (*handler)(struct snd_soc_dapm_widget *src, | |
691 | struct snd_soc_dapm_widget *sink)) | |
18382ead SP |
692 | { |
693 | route->sink = sink; | |
694 | route->source = src; | |
695 | route->control = control; | |
79f4e922 | 696 | route->connected = handler; |
18382ead SP |
697 | } |
698 | ||
4a3478de JK |
699 | static struct hdac_hdmi_pcm *hdac_hdmi_get_pcm(struct hdac_ext_device *edev, |
700 | struct hdac_hdmi_pin *pin) | |
701 | { | |
702 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
703 | struct hdac_hdmi_pcm *pcm = NULL; | |
704 | ||
705 | list_for_each_entry(pcm, &hdmi->pcm_list, head) { | |
706 | if (pcm->pin == pin) | |
707 | return pcm; | |
708 | } | |
709 | ||
710 | return NULL; | |
711 | } | |
712 | ||
713 | /* | |
714 | * Based on user selection, map the PINs with the PCMs. | |
715 | */ | |
716 | static int hdac_hdmi_set_pin_mux(struct snd_kcontrol *kcontrol, | |
717 | struct snd_ctl_elem_value *ucontrol) | |
718 | { | |
719 | int ret; | |
720 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
721 | struct snd_soc_dapm_widget *w = snd_soc_dapm_kcontrol_widget(kcontrol); | |
722 | struct snd_soc_dapm_context *dapm = w->dapm; | |
723 | struct hdac_hdmi_pin *pin = w->priv; | |
724 | struct hdac_ext_device *edev = to_hda_ext_device(dapm->dev); | |
725 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
726 | struct hdac_hdmi_pcm *pcm = NULL; | |
727 | const char *cvt_name = e->texts[ucontrol->value.enumerated.item[0]]; | |
728 | ||
729 | ret = snd_soc_dapm_put_enum_double(kcontrol, ucontrol); | |
730 | if (ret < 0) | |
731 | return ret; | |
732 | ||
733 | mutex_lock(&hdmi->pin_mutex); | |
734 | list_for_each_entry(pcm, &hdmi->pcm_list, head) { | |
735 | if (pcm->pin == pin) | |
736 | pcm->pin = NULL; | |
737 | ||
738 | /* | |
739 | * Jack status is not reported during device probe as the | |
740 | * PCMs are not registered by then. So report it here. | |
741 | */ | |
742 | if (!strcmp(cvt_name, pcm->cvt->name) && !pcm->pin) { | |
743 | pcm->pin = pin; | |
744 | if (pin->eld.monitor_present && pin->eld.eld_valid) { | |
745 | dev_dbg(&edev->hdac.dev, | |
746 | "jack report for pcm=%d\n", | |
747 | pcm->pcm_id); | |
748 | ||
749 | snd_jack_report(pcm->jack, SND_JACK_AVOUT); | |
750 | } | |
751 | mutex_unlock(&hdmi->pin_mutex); | |
752 | return ret; | |
753 | } | |
754 | } | |
755 | mutex_unlock(&hdmi->pin_mutex); | |
756 | ||
757 | return ret; | |
758 | } | |
759 | ||
79f4e922 SP |
760 | /* |
761 | * Ideally the Mux inputs should be based on the num_muxs enumerated, but | |
762 | * the display driver seem to be programming the connection list for the pin | |
763 | * widget runtime. | |
764 | * | |
765 | * So programming all the possible inputs for the mux, the user has to take | |
766 | * care of selecting the right one and leaving all other inputs selected to | |
767 | * "NONE" | |
768 | */ | |
769 | static int hdac_hdmi_create_pin_muxs(struct hdac_ext_device *edev, | |
770 | struct hdac_hdmi_pin *pin, | |
771 | struct snd_soc_dapm_widget *widget, | |
772 | const char *widget_name) | |
773 | { | |
774 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
775 | struct snd_kcontrol_new *kc; | |
776 | struct hdac_hdmi_cvt *cvt; | |
777 | struct soc_enum *se; | |
778 | char kc_name[NAME_SIZE]; | |
779 | char mux_items[NAME_SIZE]; | |
780 | /* To hold inputs to the Pin mux */ | |
781 | char *items[HDA_MAX_CONNECTIONS]; | |
782 | int i = 0; | |
783 | int num_items = hdmi->num_cvt + 1; | |
784 | ||
785 | kc = devm_kzalloc(&edev->hdac.dev, sizeof(*kc), GFP_KERNEL); | |
786 | if (!kc) | |
787 | return -ENOMEM; | |
788 | ||
789 | se = devm_kzalloc(&edev->hdac.dev, sizeof(*se), GFP_KERNEL); | |
790 | if (!se) | |
791 | return -ENOMEM; | |
792 | ||
793 | sprintf(kc_name, "Pin %d Input", pin->nid); | |
794 | kc->name = devm_kstrdup(&edev->hdac.dev, kc_name, GFP_KERNEL); | |
795 | if (!kc->name) | |
796 | return -ENOMEM; | |
797 | ||
798 | kc->private_value = (long)se; | |
799 | kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
800 | kc->access = 0; | |
801 | kc->info = snd_soc_info_enum_double; | |
4a3478de | 802 | kc->put = hdac_hdmi_set_pin_mux; |
79f4e922 SP |
803 | kc->get = snd_soc_dapm_get_enum_double; |
804 | ||
805 | se->reg = SND_SOC_NOPM; | |
806 | ||
807 | /* enum texts: ["NONE", "cvt #", "cvt #", ...] */ | |
808 | se->items = num_items; | |
809 | se->mask = roundup_pow_of_two(se->items) - 1; | |
810 | ||
811 | sprintf(mux_items, "NONE"); | |
812 | items[i] = devm_kstrdup(&edev->hdac.dev, mux_items, GFP_KERNEL); | |
813 | if (!items[i]) | |
814 | return -ENOMEM; | |
815 | ||
816 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { | |
817 | i++; | |
818 | sprintf(mux_items, "cvt %d", cvt->nid); | |
819 | items[i] = devm_kstrdup(&edev->hdac.dev, mux_items, GFP_KERNEL); | |
820 | if (!items[i]) | |
821 | return -ENOMEM; | |
822 | } | |
823 | ||
824 | se->texts = devm_kmemdup(&edev->hdac.dev, items, | |
825 | (num_items * sizeof(char *)), GFP_KERNEL); | |
826 | if (!se->texts) | |
827 | return -ENOMEM; | |
828 | ||
829 | return hdac_hdmi_fill_widget_info(&edev->hdac.dev, widget, | |
4a3478de | 830 | snd_soc_dapm_mux, pin, widget_name, NULL, kc, 1); |
79f4e922 SP |
831 | } |
832 | ||
833 | /* Add cvt <- input <- mux route map */ | |
834 | static void hdac_hdmi_add_pinmux_cvt_route(struct hdac_ext_device *edev, | |
835 | struct snd_soc_dapm_widget *widgets, | |
836 | struct snd_soc_dapm_route *route, int rindex) | |
837 | { | |
838 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
839 | const struct snd_kcontrol_new *kc; | |
840 | struct soc_enum *se; | |
841 | int mux_index = hdmi->num_cvt + hdmi->num_pin; | |
842 | int i, j; | |
843 | ||
844 | for (i = 0; i < hdmi->num_pin; i++) { | |
845 | kc = widgets[mux_index].kcontrol_news; | |
846 | se = (struct soc_enum *)kc->private_value; | |
847 | for (j = 0; j < hdmi->num_cvt; j++) { | |
848 | hdac_hdmi_fill_route(&route[rindex], | |
849 | widgets[mux_index].name, | |
850 | se->texts[j + 1], | |
851 | widgets[j].name, NULL); | |
852 | ||
853 | rindex++; | |
854 | } | |
855 | ||
856 | mux_index++; | |
857 | } | |
858 | } | |
859 | ||
860 | /* | |
861 | * Widgets are added in the below sequence | |
862 | * Converter widgets for num converters enumerated | |
863 | * Pin widgets for num pins enumerated | |
864 | * Pin mux widgets to represent connenction list of pin widget | |
865 | * | |
866 | * Total widgets elements = num_cvt + num_pin + num_pin; | |
867 | * | |
868 | * Routes are added as below: | |
869 | * pin mux -> pin (based on num_pins) | |
870 | * cvt -> "Input sel control" -> pin_mux | |
871 | * | |
872 | * Total route elements: | |
873 | * num_pins + (pin_muxes * num_cvt) | |
874 | */ | |
875 | static int create_fill_widget_route_map(struct snd_soc_dapm_context *dapm) | |
18382ead | 876 | { |
79f4e922 SP |
877 | struct snd_soc_dapm_widget *widgets; |
878 | struct snd_soc_dapm_route *route; | |
879 | struct hdac_ext_device *edev = to_hda_ext_device(dapm->dev); | |
880 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
881 | struct snd_soc_dai_driver *dai_drv = dapm->component->dai_drv; | |
882 | char widget_name[NAME_SIZE]; | |
883 | struct hdac_hdmi_cvt *cvt; | |
884 | struct hdac_hdmi_pin *pin; | |
885 | int ret, i = 0, num_routes = 0; | |
18382ead | 886 | |
79f4e922 SP |
887 | if (list_empty(&hdmi->cvt_list) || list_empty(&hdmi->pin_list)) |
888 | return -EINVAL; | |
18382ead | 889 | |
79f4e922 SP |
890 | widgets = devm_kzalloc(dapm->dev, |
891 | (sizeof(*widgets) * ((2 * hdmi->num_pin) + hdmi->num_cvt)), | |
892 | GFP_KERNEL); | |
18382ead | 893 | |
79f4e922 SP |
894 | if (!widgets) |
895 | return -ENOMEM; | |
896 | ||
897 | /* DAPM widgets to represent each converter widget */ | |
898 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { | |
899 | sprintf(widget_name, "Converter %d", cvt->nid); | |
900 | ret = hdac_hdmi_fill_widget_info(dapm->dev, &widgets[i], | |
901 | snd_soc_dapm_aif_in, &cvt->nid, | |
902 | widget_name, dai_drv[i].playback.stream_name, NULL, 0); | |
903 | if (ret < 0) | |
904 | return ret; | |
905 | i++; | |
906 | } | |
907 | ||
908 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
909 | sprintf(widget_name, "hif%d Output", pin->nid); | |
910 | ret = hdac_hdmi_fill_widget_info(dapm->dev, &widgets[i], | |
911 | snd_soc_dapm_output, &pin->nid, | |
912 | widget_name, NULL, NULL, 0); | |
913 | if (ret < 0) | |
914 | return ret; | |
915 | i++; | |
916 | } | |
917 | ||
918 | /* DAPM widgets to represent the connection list to pin widget */ | |
919 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
920 | sprintf(widget_name, "Pin %d Mux", pin->nid); | |
921 | ret = hdac_hdmi_create_pin_muxs(edev, pin, &widgets[i], | |
922 | widget_name); | |
923 | if (ret < 0) | |
924 | return ret; | |
925 | i++; | |
926 | ||
927 | /* For cvt to pin_mux mapping */ | |
928 | num_routes += hdmi->num_cvt; | |
929 | ||
930 | /* For pin_mux to pin mapping */ | |
931 | num_routes++; | |
932 | } | |
933 | ||
934 | route = devm_kzalloc(dapm->dev, (sizeof(*route) * num_routes), | |
935 | GFP_KERNEL); | |
936 | if (!route) | |
937 | return -ENOMEM; | |
938 | ||
939 | i = 0; | |
940 | /* Add pin <- NULL <- mux route map */ | |
941 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
942 | int sink_index = i + hdmi->num_cvt; | |
943 | int src_index = sink_index + hdmi->num_pin; | |
944 | ||
945 | hdac_hdmi_fill_route(&route[i], | |
946 | widgets[sink_index].name, NULL, | |
947 | widgets[src_index].name, NULL); | |
948 | i++; | |
949 | ||
950 | } | |
951 | ||
952 | hdac_hdmi_add_pinmux_cvt_route(edev, widgets, route, i); | |
953 | ||
954 | snd_soc_dapm_new_controls(dapm, widgets, | |
955 | ((2 * hdmi->num_pin) + hdmi->num_cvt)); | |
956 | ||
957 | snd_soc_dapm_add_routes(dapm, route, num_routes); | |
958 | snd_soc_dapm_new_widgets(dapm->card); | |
959 | ||
960 | return 0; | |
18382ead | 961 | |
18382ead SP |
962 | } |
963 | ||
15b91447 | 964 | static int hdac_hdmi_init_dai_map(struct hdac_ext_device *edev) |
18382ead | 965 | { |
15b91447 | 966 | struct hdac_hdmi_priv *hdmi = edev->private_data; |
148569fd | 967 | struct hdac_hdmi_dai_pin_map *dai_map; |
15b91447 | 968 | struct hdac_hdmi_cvt *cvt; |
148569fd | 969 | int dai_id = 0; |
18382ead | 970 | |
148569fd | 971 | if (list_empty(&hdmi->cvt_list)) |
15b91447 | 972 | return -EINVAL; |
18382ead | 973 | |
148569fd SP |
974 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { |
975 | dai_map = &hdmi->dai_map[dai_id]; | |
976 | dai_map->dai_id = dai_id; | |
977 | dai_map->cvt = cvt; | |
18382ead | 978 | |
148569fd | 979 | dai_id++; |
18382ead | 980 | |
148569fd SP |
981 | if (dai_id == HDA_MAX_CVTS) { |
982 | dev_warn(&edev->hdac.dev, | |
983 | "Max dais supported: %d\n", dai_id); | |
984 | break; | |
985 | } | |
986 | } | |
18382ead | 987 | |
15b91447 SP |
988 | return 0; |
989 | } | |
990 | ||
991 | static int hdac_hdmi_add_cvt(struct hdac_ext_device *edev, hda_nid_t nid) | |
992 | { | |
993 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
994 | struct hdac_hdmi_cvt *cvt; | |
4a3478de | 995 | char name[NAME_SIZE]; |
15b91447 SP |
996 | |
997 | cvt = kzalloc(sizeof(*cvt), GFP_KERNEL); | |
998 | if (!cvt) | |
999 | return -ENOMEM; | |
1000 | ||
1001 | cvt->nid = nid; | |
4a3478de JK |
1002 | sprintf(name, "cvt %d", cvt->nid); |
1003 | cvt->name = kstrdup(name, GFP_KERNEL); | |
15b91447 SP |
1004 | |
1005 | list_add_tail(&cvt->head, &hdmi->cvt_list); | |
1006 | hdmi->num_cvt++; | |
1007 | ||
1008 | return hdac_hdmi_query_cvt_params(&edev->hdac, cvt); | |
1009 | } | |
1010 | ||
b8a54545 SP |
1011 | static void hdac_hdmi_present_sense(struct hdac_hdmi_pin *pin, int repoll) |
1012 | { | |
1013 | struct hdac_ext_device *edev = pin->edev; | |
4a3478de JK |
1014 | struct hdac_hdmi_priv *hdmi = edev->private_data; |
1015 | struct hdac_hdmi_pcm *pcm; | |
b8a54545 SP |
1016 | int val; |
1017 | ||
b8a54545 SP |
1018 | pin->repoll_count = repoll; |
1019 | ||
1020 | pm_runtime_get_sync(&edev->hdac.dev); | |
1021 | val = snd_hdac_codec_read(&edev->hdac, pin->nid, 0, | |
1022 | AC_VERB_GET_PIN_SENSE, 0); | |
1023 | ||
1024 | dev_dbg(&edev->hdac.dev, "Pin sense val %x for pin: %d\n", | |
1025 | val, pin->nid); | |
1026 | ||
4a3478de JK |
1027 | |
1028 | mutex_lock(&hdmi->pin_mutex); | |
b8a54545 SP |
1029 | pin->eld.monitor_present = !!(val & AC_PINSENSE_PRESENCE); |
1030 | pin->eld.eld_valid = !!(val & AC_PINSENSE_ELDV); | |
1031 | ||
4a3478de JK |
1032 | pcm = hdac_hdmi_get_pcm(edev, pin); |
1033 | ||
b8a54545 SP |
1034 | if (!pin->eld.monitor_present || !pin->eld.eld_valid) { |
1035 | ||
1036 | dev_dbg(&edev->hdac.dev, "%s: disconnect for pin %d\n", | |
1037 | __func__, pin->nid); | |
4a3478de JK |
1038 | |
1039 | /* | |
1040 | * PCMs are not registered during device probe, so don't | |
1041 | * report jack here. It will be done in usermode mux | |
1042 | * control select. | |
1043 | */ | |
1044 | if (pcm) { | |
1045 | dev_dbg(&edev->hdac.dev, | |
1046 | "jack report for pcm=%d\n", pcm->pcm_id); | |
1047 | ||
1048 | snd_jack_report(pcm->jack, 0); | |
1049 | } | |
1050 | ||
1051 | mutex_unlock(&hdmi->pin_mutex); | |
b8a54545 SP |
1052 | goto put_hdac_device; |
1053 | } | |
1054 | ||
1055 | if (pin->eld.monitor_present && pin->eld.eld_valid) { | |
1056 | /* TODO: use i915 component for reading ELD later */ | |
1057 | if (hdac_hdmi_get_eld(&edev->hdac, pin->nid, | |
1058 | pin->eld.eld_buffer, | |
1059 | &pin->eld.eld_size) == 0) { | |
1060 | ||
4a3478de JK |
1061 | if (pcm) { |
1062 | dev_dbg(&edev->hdac.dev, | |
1063 | "jack report for pcm=%d\n", | |
1064 | pcm->pcm_id); | |
1065 | ||
1066 | snd_jack_report(pcm->jack, SND_JACK_AVOUT); | |
1067 | } | |
1068 | ||
b8a54545 SP |
1069 | print_hex_dump_bytes("ELD: ", DUMP_PREFIX_OFFSET, |
1070 | pin->eld.eld_buffer, pin->eld.eld_size); | |
1071 | } else { | |
1072 | pin->eld.monitor_present = false; | |
1073 | pin->eld.eld_valid = false; | |
4a3478de JK |
1074 | |
1075 | if (pcm) { | |
1076 | dev_dbg(&edev->hdac.dev, | |
1077 | "jack report for pcm=%d\n", | |
1078 | pcm->pcm_id); | |
1079 | ||
1080 | snd_jack_report(pcm->jack, 0); | |
1081 | } | |
b8a54545 SP |
1082 | } |
1083 | } | |
1084 | ||
4a3478de JK |
1085 | mutex_unlock(&hdmi->pin_mutex); |
1086 | ||
b8a54545 SP |
1087 | /* |
1088 | * Sometimes the pin_sense may present invalid monitor | |
1089 | * present and eld_valid. If ELD data is not valid, loop few | |
1090 | * more times to get correct pin sense and valid ELD. | |
1091 | */ | |
1092 | if ((!pin->eld.monitor_present || !pin->eld.eld_valid) && repoll) | |
1093 | schedule_delayed_work(&pin->work, msecs_to_jiffies(300)); | |
1094 | ||
1095 | put_hdac_device: | |
1096 | pm_runtime_put_sync(&edev->hdac.dev); | |
1097 | } | |
1098 | ||
1099 | static void hdac_hdmi_repoll_eld(struct work_struct *work) | |
1100 | { | |
1101 | struct hdac_hdmi_pin *pin = | |
1102 | container_of(to_delayed_work(work), struct hdac_hdmi_pin, work); | |
1103 | ||
1104 | /* picked from legacy HDA driver */ | |
1105 | if (pin->repoll_count++ > 6) | |
1106 | pin->repoll_count = 0; | |
1107 | ||
1108 | hdac_hdmi_present_sense(pin, pin->repoll_count); | |
1109 | } | |
1110 | ||
15b91447 SP |
1111 | static int hdac_hdmi_add_pin(struct hdac_ext_device *edev, hda_nid_t nid) |
1112 | { | |
1113 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1114 | struct hdac_hdmi_pin *pin; | |
1115 | ||
1116 | pin = kzalloc(sizeof(*pin), GFP_KERNEL); | |
1117 | if (!pin) | |
1118 | return -ENOMEM; | |
1119 | ||
1120 | pin->nid = nid; | |
1121 | ||
1122 | list_add_tail(&pin->head, &hdmi->pin_list); | |
1123 | hdmi->num_pin++; | |
1124 | ||
b8a54545 SP |
1125 | pin->edev = edev; |
1126 | INIT_DELAYED_WORK(&pin->work, hdac_hdmi_repoll_eld); | |
1127 | ||
15b91447 | 1128 | return 0; |
18382ead SP |
1129 | } |
1130 | ||
211caab7 SP |
1131 | #define INTEL_VENDOR_NID 0x08 |
1132 | #define INTEL_GET_VENDOR_VERB 0xf81 | |
1133 | #define INTEL_SET_VENDOR_VERB 0x781 | |
1134 | #define INTEL_EN_DP12 0x02 /* enable DP 1.2 features */ | |
1135 | #define INTEL_EN_ALL_PIN_CVTS 0x01 /* enable 2nd & 3rd pins and convertors */ | |
1136 | ||
1137 | static void hdac_hdmi_skl_enable_all_pins(struct hdac_device *hdac) | |
1138 | { | |
1139 | unsigned int vendor_param; | |
1140 | ||
1141 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
1142 | INTEL_GET_VENDOR_VERB, 0); | |
1143 | if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS) | |
1144 | return; | |
1145 | ||
1146 | vendor_param |= INTEL_EN_ALL_PIN_CVTS; | |
1147 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
1148 | INTEL_SET_VENDOR_VERB, vendor_param); | |
1149 | if (vendor_param == -1) | |
1150 | return; | |
1151 | } | |
1152 | ||
1153 | static void hdac_hdmi_skl_enable_dp12(struct hdac_device *hdac) | |
1154 | { | |
1155 | unsigned int vendor_param; | |
1156 | ||
1157 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
1158 | INTEL_GET_VENDOR_VERB, 0); | |
1159 | if (vendor_param == -1 || vendor_param & INTEL_EN_DP12) | |
1160 | return; | |
1161 | ||
1162 | /* enable DP1.2 mode */ | |
1163 | vendor_param |= INTEL_EN_DP12; | |
1164 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
1165 | INTEL_SET_VENDOR_VERB, vendor_param); | |
1166 | if (vendor_param == -1) | |
1167 | return; | |
1168 | ||
1169 | } | |
1170 | ||
17a42c45 SP |
1171 | static struct snd_soc_dai_ops hdmi_dai_ops = { |
1172 | .startup = hdac_hdmi_pcm_open, | |
1173 | .shutdown = hdac_hdmi_pcm_close, | |
1174 | .hw_params = hdac_hdmi_set_hw_params, | |
1175 | .prepare = hdac_hdmi_playback_prepare, | |
571d5078 | 1176 | .trigger = hdac_hdmi_trigger, |
17a42c45 SP |
1177 | .hw_free = hdac_hdmi_playback_cleanup, |
1178 | }; | |
1179 | ||
1180 | /* | |
1181 | * Each converter can support a stream independently. So a dai is created | |
1182 | * based on the number of converter queried. | |
1183 | */ | |
1184 | static int hdac_hdmi_create_dais(struct hdac_device *hdac, | |
1185 | struct snd_soc_dai_driver **dais, | |
1186 | struct hdac_hdmi_priv *hdmi, int num_dais) | |
1187 | { | |
1188 | struct snd_soc_dai_driver *hdmi_dais; | |
1189 | struct hdac_hdmi_cvt *cvt; | |
1190 | char name[NAME_SIZE], dai_name[NAME_SIZE]; | |
1191 | int i = 0; | |
1192 | u32 rates, bps; | |
1193 | unsigned int rate_max = 384000, rate_min = 8000; | |
1194 | u64 formats; | |
1195 | int ret; | |
1196 | ||
1197 | hdmi_dais = devm_kzalloc(&hdac->dev, | |
1198 | (sizeof(*hdmi_dais) * num_dais), | |
1199 | GFP_KERNEL); | |
1200 | if (!hdmi_dais) | |
1201 | return -ENOMEM; | |
1202 | ||
1203 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { | |
1204 | ret = snd_hdac_query_supported_pcm(hdac, cvt->nid, | |
1205 | &rates, &formats, &bps); | |
1206 | if (ret) | |
1207 | return ret; | |
1208 | ||
1209 | sprintf(dai_name, "intel-hdmi-hifi%d", i+1); | |
1210 | hdmi_dais[i].name = devm_kstrdup(&hdac->dev, | |
1211 | dai_name, GFP_KERNEL); | |
1212 | ||
1213 | if (!hdmi_dais[i].name) | |
1214 | return -ENOMEM; | |
1215 | ||
1216 | snprintf(name, sizeof(name), "hifi%d", i+1); | |
1217 | hdmi_dais[i].playback.stream_name = | |
1218 | devm_kstrdup(&hdac->dev, name, GFP_KERNEL); | |
1219 | if (!hdmi_dais[i].playback.stream_name) | |
1220 | return -ENOMEM; | |
1221 | ||
1222 | /* | |
1223 | * Set caps based on capability queried from the converter. | |
1224 | * It will be constrained runtime based on ELD queried. | |
1225 | */ | |
1226 | hdmi_dais[i].playback.formats = formats; | |
1227 | hdmi_dais[i].playback.rates = rates; | |
1228 | hdmi_dais[i].playback.rate_max = rate_max; | |
1229 | hdmi_dais[i].playback.rate_min = rate_min; | |
1230 | hdmi_dais[i].playback.channels_min = 2; | |
1231 | hdmi_dais[i].playback.channels_max = 2; | |
1232 | hdmi_dais[i].ops = &hdmi_dai_ops; | |
1233 | ||
1234 | i++; | |
1235 | } | |
1236 | ||
1237 | *dais = hdmi_dais; | |
1238 | ||
1239 | return 0; | |
1240 | } | |
1241 | ||
18382ead SP |
1242 | /* |
1243 | * Parse all nodes and store the cvt/pin nids in array | |
1244 | * Add one time initialization for pin and cvt widgets | |
1245 | */ | |
17a42c45 SP |
1246 | static int hdac_hdmi_parse_and_map_nid(struct hdac_ext_device *edev, |
1247 | struct snd_soc_dai_driver **dais, int *num_dais) | |
18382ead SP |
1248 | { |
1249 | hda_nid_t nid; | |
3c83ac23 | 1250 | int i, num_nodes; |
18382ead SP |
1251 | struct hdac_device *hdac = &edev->hdac; |
1252 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
15b91447 | 1253 | int ret; |
18382ead | 1254 | |
211caab7 SP |
1255 | hdac_hdmi_skl_enable_all_pins(hdac); |
1256 | hdac_hdmi_skl_enable_dp12(hdac); | |
1257 | ||
3c83ac23 | 1258 | num_nodes = snd_hdac_get_sub_nodes(hdac, hdac->afg, &nid); |
541140d4 | 1259 | if (!nid || num_nodes <= 0) { |
18382ead SP |
1260 | dev_warn(&hdac->dev, "HDMI: failed to get afg sub nodes\n"); |
1261 | return -EINVAL; | |
1262 | } | |
1263 | ||
3c83ac23 | 1264 | hdac->num_nodes = num_nodes; |
18382ead SP |
1265 | hdac->start_nid = nid; |
1266 | ||
1267 | for (i = 0; i < hdac->num_nodes; i++, nid++) { | |
1268 | unsigned int caps; | |
1269 | unsigned int type; | |
1270 | ||
1271 | caps = get_wcaps(hdac, nid); | |
1272 | type = get_wcaps_type(caps); | |
1273 | ||
1274 | if (!(caps & AC_WCAP_DIGITAL)) | |
1275 | continue; | |
1276 | ||
1277 | switch (type) { | |
1278 | ||
1279 | case AC_WID_AUD_OUT: | |
15b91447 SP |
1280 | ret = hdac_hdmi_add_cvt(edev, nid); |
1281 | if (ret < 0) | |
1282 | return ret; | |
18382ead SP |
1283 | break; |
1284 | ||
1285 | case AC_WID_PIN: | |
15b91447 SP |
1286 | ret = hdac_hdmi_add_pin(edev, nid); |
1287 | if (ret < 0) | |
1288 | return ret; | |
18382ead SP |
1289 | break; |
1290 | } | |
1291 | } | |
1292 | ||
1293 | hdac->end_nid = nid; | |
1294 | ||
15b91447 | 1295 | if (!hdmi->num_pin || !hdmi->num_cvt) |
18382ead SP |
1296 | return -EIO; |
1297 | ||
17a42c45 SP |
1298 | ret = hdac_hdmi_create_dais(hdac, dais, hdmi, hdmi->num_cvt); |
1299 | if (ret) { | |
1300 | dev_err(&hdac->dev, "Failed to create dais with err: %d\n", | |
1301 | ret); | |
1302 | return ret; | |
1303 | } | |
1304 | ||
1305 | *num_dais = hdmi->num_cvt; | |
1306 | ||
15b91447 | 1307 | return hdac_hdmi_init_dai_map(edev); |
18382ead SP |
1308 | } |
1309 | ||
b8a54545 SP |
1310 | static void hdac_hdmi_eld_notify_cb(void *aptr, int port) |
1311 | { | |
1312 | struct hdac_ext_device *edev = aptr; | |
1313 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1314 | struct hdac_hdmi_pin *pin; | |
1315 | struct snd_soc_codec *codec = edev->scodec; | |
1316 | ||
1317 | /* Don't know how this mapping is derived */ | |
1318 | hda_nid_t pin_nid = port + 0x04; | |
1319 | ||
1320 | dev_dbg(&edev->hdac.dev, "%s: for pin: %d\n", __func__, pin_nid); | |
1321 | ||
1322 | /* | |
1323 | * skip notification during system suspend (but not in runtime PM); | |
1324 | * the state will be updated at resume. Also since the ELD and | |
1325 | * connection states are updated in anyway at the end of the resume, | |
1326 | * we can skip it when received during PM process. | |
1327 | */ | |
1328 | if (snd_power_get_state(codec->component.card->snd_card) != | |
1329 | SNDRV_CTL_POWER_D0) | |
1330 | return; | |
1331 | ||
1332 | if (atomic_read(&edev->hdac.in_pm)) | |
1333 | return; | |
1334 | ||
1335 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
1336 | if (pin->nid == pin_nid) | |
1337 | hdac_hdmi_present_sense(pin, 1); | |
1338 | } | |
1339 | } | |
1340 | ||
1341 | static struct i915_audio_component_audio_ops aops = { | |
1342 | .pin_eld_notify = hdac_hdmi_eld_notify_cb, | |
1343 | }; | |
1344 | ||
4a3478de JK |
1345 | int hdac_hdmi_jack_init(struct snd_soc_dai *dai, int device) |
1346 | { | |
1347 | char jack_name[NAME_SIZE]; | |
1348 | struct snd_soc_codec *codec = dai->codec; | |
1349 | struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); | |
1350 | struct snd_soc_dapm_context *dapm = | |
1351 | snd_soc_component_get_dapm(&codec->component); | |
1352 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1353 | struct hdac_hdmi_pcm *pcm; | |
1354 | ||
1355 | /* | |
1356 | * this is a new PCM device, create new pcm and | |
1357 | * add to the pcm list | |
1358 | */ | |
1359 | pcm = kzalloc(sizeof(*pcm), GFP_KERNEL); | |
1360 | if (!pcm) | |
1361 | return -ENOMEM; | |
1362 | pcm->pcm_id = device; | |
1363 | pcm->cvt = hdmi->dai_map[dai->id].cvt; | |
1364 | ||
1365 | list_add_tail(&pcm->head, &hdmi->pcm_list); | |
1366 | ||
1367 | sprintf(jack_name, "HDMI/DP, pcm=%d Jack", device); | |
1368 | ||
1369 | return snd_jack_new(dapm->card->snd_card, jack_name, | |
1370 | SND_JACK_AVOUT, &pcm->jack, true, false); | |
1371 | } | |
1372 | EXPORT_SYMBOL_GPL(hdac_hdmi_jack_init); | |
1373 | ||
18382ead SP |
1374 | static int hdmi_codec_probe(struct snd_soc_codec *codec) |
1375 | { | |
1376 | struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); | |
1377 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1378 | struct snd_soc_dapm_context *dapm = | |
1379 | snd_soc_component_get_dapm(&codec->component); | |
b8a54545 SP |
1380 | struct hdac_hdmi_pin *pin; |
1381 | int ret; | |
18382ead SP |
1382 | |
1383 | edev->scodec = codec; | |
1384 | ||
79f4e922 SP |
1385 | ret = create_fill_widget_route_map(dapm); |
1386 | if (ret < 0) | |
1387 | return ret; | |
18382ead | 1388 | |
b8a54545 SP |
1389 | aops.audio_ptr = edev; |
1390 | ret = snd_hdac_i915_register_notifier(&aops); | |
1391 | if (ret < 0) { | |
1392 | dev_err(&edev->hdac.dev, "notifier register failed: err: %d\n", | |
1393 | ret); | |
1394 | return ret; | |
1395 | } | |
1396 | ||
1397 | list_for_each_entry(pin, &hdmi->pin_list, head) | |
1398 | hdac_hdmi_present_sense(pin, 1); | |
1399 | ||
18382ead SP |
1400 | /* Imp: Store the card pointer in hda_codec */ |
1401 | edev->card = dapm->card->snd_card; | |
1402 | ||
e342ac08 SP |
1403 | /* |
1404 | * hdac_device core already sets the state to active and calls | |
1405 | * get_noresume. So enable runtime and set the device to suspend. | |
1406 | */ | |
1407 | pm_runtime_enable(&edev->hdac.dev); | |
1408 | pm_runtime_put(&edev->hdac.dev); | |
1409 | pm_runtime_suspend(&edev->hdac.dev); | |
1410 | ||
1411 | return 0; | |
1412 | } | |
1413 | ||
1414 | static int hdmi_codec_remove(struct snd_soc_codec *codec) | |
1415 | { | |
1416 | struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); | |
1417 | ||
1418 | pm_runtime_disable(&edev->hdac.dev); | |
18382ead SP |
1419 | return 0; |
1420 | } | |
1421 | ||
571d5078 JK |
1422 | #ifdef CONFIG_PM |
1423 | static int hdmi_codec_resume(struct snd_soc_codec *codec) | |
1424 | { | |
1425 | struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); | |
1426 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1427 | struct hdac_hdmi_pin *pin; | |
1428 | struct hdac_device *hdac = &edev->hdac; | |
1429 | struct hdac_bus *bus = hdac->bus; | |
1430 | int err; | |
1431 | unsigned long timeout; | |
1432 | ||
1433 | hdac_hdmi_skl_enable_all_pins(&edev->hdac); | |
1434 | hdac_hdmi_skl_enable_dp12(&edev->hdac); | |
1435 | ||
1436 | /* Power up afg */ | |
1437 | if (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D0)) { | |
1438 | ||
1439 | snd_hdac_codec_write(hdac, hdac->afg, 0, | |
1440 | AC_VERB_SET_POWER_STATE, AC_PWRST_D0); | |
1441 | ||
1442 | /* Wait till power state is set to D0 */ | |
1443 | timeout = jiffies + msecs_to_jiffies(1000); | |
1444 | while (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D0) | |
1445 | && time_before(jiffies, timeout)) { | |
1446 | msleep(50); | |
1447 | } | |
1448 | } | |
1449 | ||
1450 | /* | |
1451 | * As the ELD notify callback request is not entertained while the | |
1452 | * device is in suspend state. Need to manually check detection of | |
1453 | * all pins here. | |
1454 | */ | |
1455 | list_for_each_entry(pin, &hdmi->pin_list, head) | |
1456 | hdac_hdmi_present_sense(pin, 1); | |
1457 | ||
1458 | /* | |
1459 | * Codec power is turned ON during controller resume. | |
1460 | * Turn it OFF here | |
1461 | */ | |
1462 | err = snd_hdac_display_power(bus, false); | |
1463 | if (err < 0) { | |
1464 | dev_err(bus->dev, | |
1465 | "Cannot turn OFF display power on i915, err: %d\n", | |
1466 | err); | |
1467 | return err; | |
1468 | } | |
1469 | ||
1470 | return 0; | |
1471 | } | |
1472 | #else | |
1473 | #define hdmi_codec_resume NULL | |
1474 | #endif | |
1475 | ||
18382ead SP |
1476 | static struct snd_soc_codec_driver hdmi_hda_codec = { |
1477 | .probe = hdmi_codec_probe, | |
e342ac08 | 1478 | .remove = hdmi_codec_remove, |
571d5078 | 1479 | .resume = hdmi_codec_resume, |
18382ead SP |
1480 | .idle_bias_off = true, |
1481 | }; | |
1482 | ||
18382ead SP |
1483 | static int hdac_hdmi_dev_probe(struct hdac_ext_device *edev) |
1484 | { | |
1485 | struct hdac_device *codec = &edev->hdac; | |
1486 | struct hdac_hdmi_priv *hdmi_priv; | |
17a42c45 SP |
1487 | struct snd_soc_dai_driver *hdmi_dais = NULL; |
1488 | int num_dais = 0; | |
18382ead SP |
1489 | int ret = 0; |
1490 | ||
1491 | hdmi_priv = devm_kzalloc(&codec->dev, sizeof(*hdmi_priv), GFP_KERNEL); | |
1492 | if (hdmi_priv == NULL) | |
1493 | return -ENOMEM; | |
1494 | ||
1495 | edev->private_data = hdmi_priv; | |
1496 | ||
1497 | dev_set_drvdata(&codec->dev, edev); | |
1498 | ||
15b91447 SP |
1499 | INIT_LIST_HEAD(&hdmi_priv->pin_list); |
1500 | INIT_LIST_HEAD(&hdmi_priv->cvt_list); | |
4a3478de JK |
1501 | INIT_LIST_HEAD(&hdmi_priv->pcm_list); |
1502 | mutex_init(&hdmi_priv->pin_mutex); | |
15b91447 | 1503 | |
aeaccef0 RB |
1504 | /* |
1505 | * Turned off in the runtime_suspend during the first explicit | |
1506 | * pm_runtime_suspend call. | |
1507 | */ | |
1508 | ret = snd_hdac_display_power(edev->hdac.bus, true); | |
1509 | if (ret < 0) { | |
1510 | dev_err(&edev->hdac.dev, | |
1511 | "Cannot turn on display power on i915 err: %d\n", | |
1512 | ret); | |
1513 | return ret; | |
1514 | } | |
1515 | ||
17a42c45 SP |
1516 | ret = hdac_hdmi_parse_and_map_nid(edev, &hdmi_dais, &num_dais); |
1517 | if (ret < 0) { | |
1518 | dev_err(&codec->dev, | |
1519 | "Failed in parse and map nid with err: %d\n", ret); | |
18382ead | 1520 | return ret; |
17a42c45 | 1521 | } |
18382ead SP |
1522 | |
1523 | /* ASoC specific initialization */ | |
1524 | return snd_soc_register_codec(&codec->dev, &hdmi_hda_codec, | |
17a42c45 | 1525 | hdmi_dais, num_dais); |
18382ead SP |
1526 | } |
1527 | ||
1528 | static int hdac_hdmi_dev_remove(struct hdac_ext_device *edev) | |
1529 | { | |
15b91447 SP |
1530 | struct hdac_hdmi_priv *hdmi = edev->private_data; |
1531 | struct hdac_hdmi_pin *pin, *pin_next; | |
1532 | struct hdac_hdmi_cvt *cvt, *cvt_next; | |
4a3478de | 1533 | struct hdac_hdmi_pcm *pcm, *pcm_next; |
15b91447 | 1534 | |
18382ead SP |
1535 | snd_soc_unregister_codec(&edev->hdac.dev); |
1536 | ||
4a3478de JK |
1537 | list_for_each_entry_safe(pcm, pcm_next, &hdmi->pcm_list, head) { |
1538 | pcm->cvt = NULL; | |
1539 | pcm->pin = NULL; | |
1540 | list_del(&pcm->head); | |
1541 | kfree(pcm); | |
1542 | } | |
1543 | ||
15b91447 SP |
1544 | list_for_each_entry_safe(cvt, cvt_next, &hdmi->cvt_list, head) { |
1545 | list_del(&cvt->head); | |
4a3478de | 1546 | kfree(cvt->name); |
15b91447 SP |
1547 | kfree(cvt); |
1548 | } | |
1549 | ||
1550 | list_for_each_entry_safe(pin, pin_next, &hdmi->pin_list, head) { | |
1551 | list_del(&pin->head); | |
1552 | kfree(pin); | |
1553 | } | |
1554 | ||
18382ead SP |
1555 | return 0; |
1556 | } | |
1557 | ||
e342ac08 SP |
1558 | #ifdef CONFIG_PM |
1559 | static int hdac_hdmi_runtime_suspend(struct device *dev) | |
1560 | { | |
1561 | struct hdac_ext_device *edev = to_hda_ext_device(dev); | |
1562 | struct hdac_device *hdac = &edev->hdac; | |
07f083ab | 1563 | struct hdac_bus *bus = hdac->bus; |
7ed49700 | 1564 | unsigned long timeout; |
07f083ab | 1565 | int err; |
e342ac08 SP |
1566 | |
1567 | dev_dbg(dev, "Enter: %s\n", __func__); | |
1568 | ||
07f083ab SP |
1569 | /* controller may not have been initialized for the first time */ |
1570 | if (!bus) | |
1571 | return 0; | |
1572 | ||
e342ac08 | 1573 | /* Power down afg */ |
7ed49700 | 1574 | if (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D3)) { |
e342ac08 SP |
1575 | snd_hdac_codec_write(hdac, hdac->afg, 0, |
1576 | AC_VERB_SET_POWER_STATE, AC_PWRST_D3); | |
1577 | ||
7ed49700 SP |
1578 | /* Wait till power state is set to D3 */ |
1579 | timeout = jiffies + msecs_to_jiffies(1000); | |
1580 | while (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D3) | |
1581 | && time_before(jiffies, timeout)) { | |
1582 | ||
1583 | msleep(50); | |
1584 | } | |
1585 | } | |
1586 | ||
07f083ab SP |
1587 | err = snd_hdac_display_power(bus, false); |
1588 | if (err < 0) { | |
1589 | dev_err(bus->dev, "Cannot turn on display power on i915\n"); | |
1590 | return err; | |
1591 | } | |
1592 | ||
e342ac08 SP |
1593 | return 0; |
1594 | } | |
1595 | ||
1596 | static int hdac_hdmi_runtime_resume(struct device *dev) | |
1597 | { | |
1598 | struct hdac_ext_device *edev = to_hda_ext_device(dev); | |
1599 | struct hdac_device *hdac = &edev->hdac; | |
07f083ab SP |
1600 | struct hdac_bus *bus = hdac->bus; |
1601 | int err; | |
e342ac08 SP |
1602 | |
1603 | dev_dbg(dev, "Enter: %s\n", __func__); | |
1604 | ||
07f083ab SP |
1605 | /* controller may not have been initialized for the first time */ |
1606 | if (!bus) | |
1607 | return 0; | |
1608 | ||
1609 | err = snd_hdac_display_power(bus, true); | |
1610 | if (err < 0) { | |
1611 | dev_err(bus->dev, "Cannot turn on display power on i915\n"); | |
1612 | return err; | |
1613 | } | |
1614 | ||
ab85f5b3 SP |
1615 | hdac_hdmi_skl_enable_all_pins(&edev->hdac); |
1616 | hdac_hdmi_skl_enable_dp12(&edev->hdac); | |
1617 | ||
e342ac08 SP |
1618 | /* Power up afg */ |
1619 | if (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D0)) | |
1620 | snd_hdac_codec_write(hdac, hdac->afg, 0, | |
1621 | AC_VERB_SET_POWER_STATE, AC_PWRST_D0); | |
1622 | ||
1623 | return 0; | |
1624 | } | |
1625 | #else | |
1626 | #define hdac_hdmi_runtime_suspend NULL | |
1627 | #define hdac_hdmi_runtime_resume NULL | |
1628 | #endif | |
1629 | ||
1630 | static const struct dev_pm_ops hdac_hdmi_pm = { | |
1631 | SET_RUNTIME_PM_OPS(hdac_hdmi_runtime_suspend, hdac_hdmi_runtime_resume, NULL) | |
1632 | }; | |
1633 | ||
18382ead SP |
1634 | static const struct hda_device_id hdmi_list[] = { |
1635 | HDA_CODEC_EXT_ENTRY(0x80862809, 0x100000, "Skylake HDMI", 0), | |
e2304803 | 1636 | HDA_CODEC_EXT_ENTRY(0x8086280a, 0x100000, "Broxton HDMI", 0), |
18382ead SP |
1637 | {} |
1638 | }; | |
1639 | ||
1640 | MODULE_DEVICE_TABLE(hdaudio, hdmi_list); | |
1641 | ||
1642 | static struct hdac_ext_driver hdmi_driver = { | |
1643 | . hdac = { | |
1644 | .driver = { | |
1645 | .name = "HDMI HDA Codec", | |
e342ac08 | 1646 | .pm = &hdac_hdmi_pm, |
18382ead SP |
1647 | }, |
1648 | .id_table = hdmi_list, | |
1649 | }, | |
1650 | .probe = hdac_hdmi_dev_probe, | |
1651 | .remove = hdac_hdmi_dev_remove, | |
1652 | }; | |
1653 | ||
1654 | static int __init hdmi_init(void) | |
1655 | { | |
1656 | return snd_hda_ext_driver_register(&hdmi_driver); | |
1657 | } | |
1658 | ||
1659 | static void __exit hdmi_exit(void) | |
1660 | { | |
1661 | snd_hda_ext_driver_unregister(&hdmi_driver); | |
1662 | } | |
1663 | ||
1664 | module_init(hdmi_init); | |
1665 | module_exit(hdmi_exit); | |
1666 | ||
1667 | MODULE_LICENSE("GPL v2"); | |
1668 | MODULE_DESCRIPTION("HDMI HD codec"); | |
1669 | MODULE_AUTHOR("Samreen Nilofer<samreen.nilofer@intel.com>"); | |
1670 | MODULE_AUTHOR("Subhransu S. Prusty<subhransu.s.prusty@intel.com>"); |