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 | ||
b7756ede SP |
63 | /* Currently only spk_alloc, more to be added */ |
64 | struct hdac_hdmi_parsed_eld { | |
65 | u8 spk_alloc; | |
66 | }; | |
67 | ||
b8a54545 SP |
68 | struct hdac_hdmi_eld { |
69 | bool monitor_present; | |
70 | bool eld_valid; | |
71 | int eld_size; | |
72 | char eld_buffer[ELD_MAX_SIZE]; | |
b7756ede | 73 | struct hdac_hdmi_parsed_eld info; |
b8a54545 SP |
74 | }; |
75 | ||
18382ead | 76 | struct hdac_hdmi_pin { |
15b91447 | 77 | struct list_head head; |
18382ead SP |
78 | hda_nid_t nid; |
79 | int num_mux_nids; | |
80 | hda_nid_t mux_nids[HDA_MAX_CONNECTIONS]; | |
b8a54545 SP |
81 | struct hdac_hdmi_eld eld; |
82 | struct hdac_ext_device *edev; | |
83 | int repoll_count; | |
84 | struct delayed_work work; | |
18382ead SP |
85 | }; |
86 | ||
4a3478de JK |
87 | struct hdac_hdmi_pcm { |
88 | struct list_head head; | |
89 | int pcm_id; | |
90 | struct hdac_hdmi_pin *pin; | |
91 | struct hdac_hdmi_cvt *cvt; | |
92 | struct snd_jack *jack; | |
93 | }; | |
94 | ||
18382ead SP |
95 | struct hdac_hdmi_dai_pin_map { |
96 | int dai_id; | |
15b91447 SP |
97 | struct hdac_hdmi_pin *pin; |
98 | struct hdac_hdmi_cvt *cvt; | |
18382ead SP |
99 | }; |
100 | ||
101 | struct hdac_hdmi_priv { | |
148569fd | 102 | struct hdac_hdmi_dai_pin_map dai_map[HDA_MAX_CVTS]; |
15b91447 SP |
103 | struct list_head pin_list; |
104 | struct list_head cvt_list; | |
4a3478de | 105 | struct list_head pcm_list; |
15b91447 SP |
106 | int num_pin; |
107 | int num_cvt; | |
4a3478de | 108 | struct mutex pin_mutex; |
18382ead SP |
109 | }; |
110 | ||
e342ac08 SP |
111 | static inline struct hdac_ext_device *to_hda_ext_device(struct device *dev) |
112 | { | |
51b2c425 | 113 | struct hdac_device *hdac = dev_to_hdac_dev(dev); |
e342ac08 | 114 | |
51b2c425 | 115 | return to_ehdac_device(hdac); |
e342ac08 SP |
116 | } |
117 | ||
2428bca3 SP |
118 | static unsigned int sad_format(const u8 *sad) |
119 | { | |
120 | return ((sad[0] >> 0x3) & 0x1f); | |
121 | } | |
122 | ||
123 | static unsigned int sad_sample_bits_lpcm(const u8 *sad) | |
124 | { | |
125 | return (sad[2] & 7); | |
126 | } | |
127 | ||
128 | static int hdac_hdmi_eld_limit_formats(struct snd_pcm_runtime *runtime, | |
129 | void *eld) | |
130 | { | |
131 | u64 formats = SNDRV_PCM_FMTBIT_S16; | |
132 | int i; | |
133 | const u8 *sad, *eld_buf = eld; | |
134 | ||
135 | sad = drm_eld_sad(eld_buf); | |
136 | if (!sad) | |
137 | goto format_constraint; | |
138 | ||
139 | for (i = drm_eld_sad_count(eld_buf); i > 0; i--, sad += 3) { | |
140 | if (sad_format(sad) == 1) { /* AUDIO_CODING_TYPE_LPCM */ | |
141 | ||
142 | /* | |
143 | * the controller support 20 and 24 bits in 32 bit | |
144 | * container so we set S32 | |
145 | */ | |
146 | if (sad_sample_bits_lpcm(sad) & 0x6) | |
147 | formats |= SNDRV_PCM_FMTBIT_S32; | |
148 | } | |
149 | } | |
150 | ||
151 | format_constraint: | |
152 | return snd_pcm_hw_constraint_mask64(runtime, SNDRV_PCM_HW_PARAM_FORMAT, | |
153 | formats); | |
154 | ||
155 | } | |
156 | ||
b8a54545 SP |
157 | /* HDMI ELD routines */ |
158 | static unsigned int hdac_hdmi_get_eld_data(struct hdac_device *codec, | |
159 | hda_nid_t nid, int byte_index) | |
160 | { | |
161 | unsigned int val; | |
162 | ||
163 | val = snd_hdac_codec_read(codec, nid, 0, AC_VERB_GET_HDMI_ELDD, | |
164 | byte_index); | |
165 | ||
166 | dev_dbg(&codec->dev, "HDMI: ELD data byte %d: 0x%x\n", | |
167 | byte_index, val); | |
168 | ||
169 | return val; | |
170 | } | |
171 | ||
172 | static int hdac_hdmi_get_eld_size(struct hdac_device *codec, hda_nid_t nid) | |
173 | { | |
174 | return snd_hdac_codec_read(codec, nid, 0, AC_VERB_GET_HDMI_DIP_SIZE, | |
175 | AC_DIPSIZE_ELD_BUF); | |
176 | } | |
177 | ||
178 | /* | |
179 | * This function queries the ELD size and ELD data and fills in the buffer | |
180 | * passed by user | |
181 | */ | |
182 | static int hdac_hdmi_get_eld(struct hdac_device *codec, hda_nid_t nid, | |
183 | unsigned char *buf, int *eld_size) | |
184 | { | |
185 | int i, size, ret = 0; | |
186 | ||
187 | /* | |
188 | * ELD size is initialized to zero in caller function. If no errors and | |
189 | * ELD is valid, actual eld_size is assigned. | |
190 | */ | |
191 | ||
192 | size = hdac_hdmi_get_eld_size(codec, nid); | |
193 | if (size < ELD_FIXED_BYTES || size > ELD_MAX_SIZE) { | |
194 | dev_err(&codec->dev, "HDMI: invalid ELD buf size %d\n", size); | |
195 | return -ERANGE; | |
196 | } | |
197 | ||
198 | /* set ELD buffer */ | |
199 | for (i = 0; i < size; i++) { | |
200 | unsigned int val = hdac_hdmi_get_eld_data(codec, nid, i); | |
201 | /* | |
202 | * Graphics driver might be writing to ELD buffer right now. | |
203 | * Just abort. The caller will repoll after a while. | |
204 | */ | |
205 | if (!(val & AC_ELDD_ELD_VALID)) { | |
206 | dev_err(&codec->dev, | |
207 | "HDMI: invalid ELD data byte %d\n", i); | |
208 | ret = -EINVAL; | |
209 | goto error; | |
210 | } | |
211 | val &= AC_ELDD_ELD_DATA; | |
212 | /* | |
213 | * The first byte cannot be zero. This can happen on some DVI | |
214 | * connections. Some Intel chips may also need some 250ms delay | |
215 | * to return non-zero ELD data, even when the graphics driver | |
216 | * correctly writes ELD content before setting ELD_valid bit. | |
217 | */ | |
218 | if (!val && !i) { | |
219 | dev_err(&codec->dev, "HDMI: 0 ELD data\n"); | |
220 | ret = -EINVAL; | |
221 | goto error; | |
222 | } | |
223 | buf[i] = val; | |
224 | } | |
225 | ||
226 | *eld_size = size; | |
227 | error: | |
228 | return ret; | |
229 | } | |
230 | ||
b0362adb SP |
231 | static int hdac_hdmi_setup_stream(struct hdac_ext_device *hdac, |
232 | hda_nid_t cvt_nid, hda_nid_t pin_nid, | |
233 | u32 stream_tag, int format) | |
234 | { | |
235 | unsigned int val; | |
236 | ||
237 | dev_dbg(&hdac->hdac.dev, "cvt nid %d pnid %d stream %d format 0x%x\n", | |
238 | cvt_nid, pin_nid, stream_tag, format); | |
239 | ||
240 | val = (stream_tag << 4); | |
241 | ||
242 | snd_hdac_codec_write(&hdac->hdac, cvt_nid, 0, | |
243 | AC_VERB_SET_CHANNEL_STREAMID, val); | |
244 | snd_hdac_codec_write(&hdac->hdac, cvt_nid, 0, | |
245 | AC_VERB_SET_STREAM_FORMAT, format); | |
246 | ||
247 | return 0; | |
248 | } | |
249 | ||
a657f1d0 SP |
250 | static void |
251 | hdac_hdmi_set_dip_index(struct hdac_ext_device *hdac, hda_nid_t pin_nid, | |
252 | int packet_index, int byte_index) | |
253 | { | |
254 | int val; | |
255 | ||
256 | val = (packet_index << 5) | (byte_index & 0x1f); | |
257 | ||
258 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, | |
259 | AC_VERB_SET_HDMI_DIP_INDEX, val); | |
260 | } | |
261 | ||
478f544e SP |
262 | struct dp_audio_infoframe { |
263 | u8 type; /* 0x84 */ | |
264 | u8 len; /* 0x1b */ | |
265 | u8 ver; /* 0x11 << 2 */ | |
266 | ||
267 | u8 CC02_CT47; /* match with HDMI infoframe from this on */ | |
268 | u8 SS01_SF24; | |
269 | u8 CXT04; | |
270 | u8 CA; | |
271 | u8 LFEPBL01_LSV36_DM_INH7; | |
272 | }; | |
273 | ||
a657f1d0 SP |
274 | static int hdac_hdmi_setup_audio_infoframe(struct hdac_ext_device *hdac, |
275 | hda_nid_t cvt_nid, hda_nid_t pin_nid) | |
276 | { | |
277 | uint8_t buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AUDIO_INFOFRAME_SIZE]; | |
278 | struct hdmi_audio_infoframe frame; | |
478f544e SP |
279 | struct dp_audio_infoframe dp_ai; |
280 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
281 | struct hdac_hdmi_pin *pin; | |
282 | u8 *dip; | |
a657f1d0 SP |
283 | int ret; |
284 | int i; | |
478f544e SP |
285 | const u8 *eld_buf; |
286 | u8 conn_type; | |
287 | int channels = 2; | |
a657f1d0 | 288 | |
478f544e SP |
289 | list_for_each_entry(pin, &hdmi->pin_list, head) { |
290 | if (pin->nid == pin_nid) | |
291 | break; | |
292 | } | |
a657f1d0 | 293 | |
478f544e SP |
294 | eld_buf = pin->eld.eld_buffer; |
295 | conn_type = drm_eld_get_conn_type(eld_buf); | |
a657f1d0 SP |
296 | |
297 | /* setup channel count */ | |
298 | snd_hdac_codec_write(&hdac->hdac, cvt_nid, 0, | |
478f544e SP |
299 | AC_VERB_SET_CVT_CHAN_COUNT, channels - 1); |
300 | ||
301 | switch (conn_type) { | |
302 | case DRM_ELD_CONN_TYPE_HDMI: | |
303 | hdmi_audio_infoframe_init(&frame); | |
304 | ||
305 | /* Default stereo for now */ | |
306 | frame.channels = channels; | |
307 | ||
308 | ret = hdmi_audio_infoframe_pack(&frame, buffer, sizeof(buffer)); | |
309 | if (ret < 0) | |
310 | return ret; | |
a657f1d0 | 311 | |
478f544e SP |
312 | break; |
313 | ||
314 | case DRM_ELD_CONN_TYPE_DP: | |
315 | memset(&dp_ai, 0, sizeof(dp_ai)); | |
316 | dp_ai.type = 0x84; | |
317 | dp_ai.len = 0x1b; | |
318 | dp_ai.ver = 0x11 << 2; | |
319 | dp_ai.CC02_CT47 = channels - 1; | |
320 | dp_ai.CA = 0; | |
321 | ||
322 | dip = (u8 *)&dp_ai; | |
323 | break; | |
324 | ||
325 | default: | |
326 | dev_err(&hdac->hdac.dev, "Invalid connection type: %d\n", | |
327 | conn_type); | |
328 | return -EIO; | |
329 | } | |
a657f1d0 SP |
330 | |
331 | /* stop infoframe transmission */ | |
332 | hdac_hdmi_set_dip_index(hdac, pin_nid, 0x0, 0x0); | |
333 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, | |
334 | AC_VERB_SET_HDMI_DIP_XMIT, AC_DIPXMIT_DISABLE); | |
335 | ||
336 | ||
337 | /* Fill infoframe. Index auto-incremented */ | |
338 | hdac_hdmi_set_dip_index(hdac, pin_nid, 0x0, 0x0); | |
478f544e | 339 | if (conn_type == DRM_ELD_CONN_TYPE_HDMI) { |
391005e8 | 340 | for (i = 0; i < sizeof(buffer); i++) |
478f544e | 341 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, |
391005e8 | 342 | AC_VERB_SET_HDMI_DIP_DATA, buffer[i]); |
478f544e SP |
343 | } else { |
344 | for (i = 0; i < sizeof(dp_ai); i++) | |
345 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, | |
a657f1d0 | 346 | AC_VERB_SET_HDMI_DIP_DATA, dip[i]); |
478f544e | 347 | } |
a657f1d0 SP |
348 | |
349 | /* Start infoframe */ | |
350 | hdac_hdmi_set_dip_index(hdac, pin_nid, 0x0, 0x0); | |
351 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, | |
352 | AC_VERB_SET_HDMI_DIP_XMIT, AC_DIPXMIT_BEST); | |
353 | ||
354 | return 0; | |
355 | } | |
356 | ||
b0362adb SP |
357 | static void hdac_hdmi_set_power_state(struct hdac_ext_device *edev, |
358 | struct hdac_hdmi_dai_pin_map *dai_map, unsigned int pwr_state) | |
359 | { | |
360 | /* Power up pin widget */ | |
15b91447 SP |
361 | if (!snd_hdac_check_power_state(&edev->hdac, dai_map->pin->nid, |
362 | pwr_state)) | |
363 | snd_hdac_codec_write(&edev->hdac, dai_map->pin->nid, 0, | |
b0362adb SP |
364 | AC_VERB_SET_POWER_STATE, pwr_state); |
365 | ||
366 | /* Power up converter */ | |
15b91447 SP |
367 | if (!snd_hdac_check_power_state(&edev->hdac, dai_map->cvt->nid, |
368 | pwr_state)) | |
369 | snd_hdac_codec_write(&edev->hdac, dai_map->cvt->nid, 0, | |
b0362adb SP |
370 | AC_VERB_SET_POWER_STATE, pwr_state); |
371 | } | |
372 | ||
373 | static int hdac_hdmi_playback_prepare(struct snd_pcm_substream *substream, | |
374 | struct snd_soc_dai *dai) | |
375 | { | |
376 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
377 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
378 | struct hdac_hdmi_dai_pin_map *dai_map; | |
379 | struct hdac_ext_dma_params *dd; | |
a657f1d0 | 380 | int ret; |
b0362adb | 381 | |
b0362adb SP |
382 | dai_map = &hdmi->dai_map[dai->id]; |
383 | ||
384 | dd = (struct hdac_ext_dma_params *)snd_soc_dai_get_dma_data(dai, substream); | |
385 | dev_dbg(&hdac->hdac.dev, "stream tag from cpu dai %d format in cvt 0x%x\n", | |
386 | dd->stream_tag, dd->format); | |
387 | ||
15b91447 SP |
388 | ret = hdac_hdmi_setup_audio_infoframe(hdac, dai_map->cvt->nid, |
389 | dai_map->pin->nid); | |
a657f1d0 SP |
390 | if (ret < 0) |
391 | return ret; | |
392 | ||
15b91447 SP |
393 | return hdac_hdmi_setup_stream(hdac, dai_map->cvt->nid, |
394 | dai_map->pin->nid, dd->stream_tag, dd->format); | |
b0362adb SP |
395 | } |
396 | ||
397 | static int hdac_hdmi_set_hw_params(struct snd_pcm_substream *substream, | |
398 | struct snd_pcm_hw_params *hparams, struct snd_soc_dai *dai) | |
399 | { | |
400 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
54dfa1ea SP |
401 | struct hdac_hdmi_priv *hdmi = hdac->private_data; |
402 | struct hdac_hdmi_dai_pin_map *dai_map; | |
403 | struct hdac_hdmi_pin *pin; | |
b0362adb SP |
404 | struct hdac_ext_dma_params *dd; |
405 | ||
54dfa1ea SP |
406 | dai_map = &hdmi->dai_map[dai->id]; |
407 | pin = dai_map->pin; | |
408 | ||
409 | if (!pin) | |
410 | return -ENODEV; | |
411 | ||
412 | if ((!pin->eld.monitor_present) || (!pin->eld.eld_valid)) { | |
413 | dev_err(&hdac->hdac.dev, "device is not configured for this pin: %d\n", | |
414 | pin->nid); | |
b0362adb SP |
415 | return -ENODEV; |
416 | } | |
417 | ||
6793a3d7 SP |
418 | dd = snd_soc_dai_get_dma_data(dai, substream); |
419 | if (!dd) { | |
420 | dd = kzalloc(sizeof(*dd), GFP_KERNEL); | |
421 | if (!dd) | |
422 | return -ENOMEM; | |
423 | } | |
424 | ||
b0362adb SP |
425 | dd->format = snd_hdac_calc_stream_format(params_rate(hparams), |
426 | params_channels(hparams), params_format(hparams), | |
427 | 24, 0); | |
428 | ||
429 | snd_soc_dai_set_dma_data(dai, substream, (void *)dd); | |
430 | ||
431 | return 0; | |
432 | } | |
433 | ||
434 | static int hdac_hdmi_playback_cleanup(struct snd_pcm_substream *substream, | |
435 | struct snd_soc_dai *dai) | |
436 | { | |
437 | struct hdac_ext_device *edev = snd_soc_dai_get_drvdata(dai); | |
438 | struct hdac_ext_dma_params *dd; | |
439 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
440 | struct hdac_hdmi_dai_pin_map *dai_map; | |
441 | ||
442 | dai_map = &hdmi->dai_map[dai->id]; | |
443 | ||
b0362adb | 444 | dd = (struct hdac_ext_dma_params *)snd_soc_dai_get_dma_data(dai, substream); |
b0362adb | 445 | |
6793a3d7 SP |
446 | if (dd) { |
447 | snd_soc_dai_set_dma_data(dai, substream, NULL); | |
448 | kfree(dd); | |
449 | } | |
b0362adb SP |
450 | |
451 | return 0; | |
452 | } | |
453 | ||
ab85f5b3 SP |
454 | static void hdac_hdmi_enable_cvt(struct hdac_ext_device *edev, |
455 | struct hdac_hdmi_dai_pin_map *dai_map) | |
456 | { | |
457 | /* Enable transmission */ | |
458 | snd_hdac_codec_write(&edev->hdac, dai_map->cvt->nid, 0, | |
459 | AC_VERB_SET_DIGI_CONVERT_1, 1); | |
460 | ||
461 | /* Category Code (CC) to zero */ | |
462 | snd_hdac_codec_write(&edev->hdac, dai_map->cvt->nid, 0, | |
463 | AC_VERB_SET_DIGI_CONVERT_2, 0); | |
464 | } | |
465 | ||
148569fd SP |
466 | static int hdac_hdmi_enable_pin(struct hdac_ext_device *hdac, |
467 | struct hdac_hdmi_dai_pin_map *dai_map) | |
468 | { | |
469 | int mux_idx; | |
470 | struct hdac_hdmi_pin *pin = dai_map->pin; | |
471 | ||
472 | for (mux_idx = 0; mux_idx < pin->num_mux_nids; mux_idx++) { | |
473 | if (pin->mux_nids[mux_idx] == dai_map->cvt->nid) { | |
474 | snd_hdac_codec_write(&hdac->hdac, pin->nid, 0, | |
475 | AC_VERB_SET_CONNECT_SEL, mux_idx); | |
476 | break; | |
477 | } | |
478 | } | |
479 | ||
480 | if (mux_idx == pin->num_mux_nids) | |
481 | return -EIO; | |
482 | ||
483 | /* Enable out path for this pin widget */ | |
484 | snd_hdac_codec_write(&hdac->hdac, pin->nid, 0, | |
485 | AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); | |
486 | ||
487 | hdac_hdmi_set_power_state(hdac, dai_map, AC_PWRST_D0); | |
488 | ||
489 | snd_hdac_codec_write(&hdac->hdac, pin->nid, 0, | |
490 | AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE); | |
491 | ||
492 | return 0; | |
493 | } | |
494 | ||
495 | static int hdac_hdmi_query_pin_connlist(struct hdac_ext_device *hdac, | |
496 | struct hdac_hdmi_pin *pin) | |
497 | { | |
498 | if (!(get_wcaps(&hdac->hdac, pin->nid) & AC_WCAP_CONN_LIST)) { | |
499 | dev_warn(&hdac->hdac.dev, | |
500 | "HDMI: pin %d wcaps %#x does not support connection list\n", | |
501 | pin->nid, get_wcaps(&hdac->hdac, pin->nid)); | |
502 | return -EINVAL; | |
503 | } | |
504 | ||
505 | pin->num_mux_nids = snd_hdac_get_connections(&hdac->hdac, pin->nid, | |
506 | pin->mux_nids, HDA_MAX_CONNECTIONS); | |
507 | if (pin->num_mux_nids == 0) | |
508 | dev_warn(&hdac->hdac.dev, "No connections found for pin: %d\n", | |
509 | pin->nid); | |
510 | ||
511 | dev_dbg(&hdac->hdac.dev, "num_mux_nids %d for pin: %d\n", | |
512 | pin->num_mux_nids, pin->nid); | |
513 | ||
514 | return pin->num_mux_nids; | |
515 | } | |
516 | ||
517 | /* | |
518 | * Query pcm list and return pin widget to which stream is routed. | |
519 | * | |
520 | * Also query connection list of the pin, to validate the cvt to pin map. | |
521 | * | |
522 | * Same stream rendering to multiple pins simultaneously can be done | |
523 | * possibly, but not supported for now in driver. So return the first pin | |
524 | * connected. | |
525 | */ | |
526 | static struct hdac_hdmi_pin *hdac_hdmi_get_pin_from_cvt( | |
527 | struct hdac_ext_device *edev, | |
528 | struct hdac_hdmi_priv *hdmi, | |
529 | struct hdac_hdmi_cvt *cvt) | |
530 | { | |
531 | struct hdac_hdmi_pcm *pcm; | |
532 | struct hdac_hdmi_pin *pin = NULL; | |
533 | int ret, i; | |
534 | ||
535 | list_for_each_entry(pcm, &hdmi->pcm_list, head) { | |
536 | if (pcm->cvt == cvt) { | |
537 | pin = pcm->pin; | |
538 | break; | |
539 | } | |
540 | } | |
541 | ||
542 | if (pin) { | |
543 | ret = hdac_hdmi_query_pin_connlist(edev, pin); | |
544 | if (ret < 0) | |
545 | return NULL; | |
546 | ||
547 | for (i = 0; i < pin->num_mux_nids; i++) { | |
548 | if (pin->mux_nids[i] == cvt->nid) | |
549 | return pin; | |
550 | } | |
551 | } | |
552 | ||
553 | return NULL; | |
554 | } | |
555 | ||
54dfa1ea SP |
556 | /* |
557 | * This tries to get a valid pin and set the HW constraints based on the | |
558 | * ELD. Even if a valid pin is not found return success so that device open | |
559 | * doesn't fail. | |
560 | */ | |
b0362adb SP |
561 | static int hdac_hdmi_pcm_open(struct snd_pcm_substream *substream, |
562 | struct snd_soc_dai *dai) | |
563 | { | |
564 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
565 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
566 | struct hdac_hdmi_dai_pin_map *dai_map; | |
148569fd SP |
567 | struct hdac_hdmi_cvt *cvt; |
568 | struct hdac_hdmi_pin *pin; | |
2428bca3 | 569 | int ret; |
b0362adb | 570 | |
b0362adb SP |
571 | dai_map = &hdmi->dai_map[dai->id]; |
572 | ||
148569fd SP |
573 | cvt = dai_map->cvt; |
574 | pin = hdac_hdmi_get_pin_from_cvt(hdac, hdmi, cvt); | |
54dfa1ea SP |
575 | |
576 | /* | |
577 | * To make PA and other userland happy. | |
578 | * userland scans devices so returning error does not help. | |
579 | */ | |
148569fd | 580 | if (!pin) |
54dfa1ea | 581 | return 0; |
148569fd SP |
582 | |
583 | if ((!pin->eld.monitor_present) || | |
584 | (!pin->eld.eld_valid)) { | |
b8a54545 | 585 | |
54dfa1ea | 586 | dev_warn(&hdac->hdac.dev, |
148569fd SP |
587 | "Failed: montior present? %d ELD valid?: %d for pin: %d\n", |
588 | pin->eld.monitor_present, pin->eld.eld_valid, pin->nid); | |
b0362adb | 589 | |
54dfa1ea | 590 | return 0; |
b0362adb SP |
591 | } |
592 | ||
148569fd | 593 | dai_map->pin = pin; |
b0362adb | 594 | |
ab85f5b3 | 595 | hdac_hdmi_enable_cvt(hdac, dai_map); |
148569fd SP |
596 | ret = hdac_hdmi_enable_pin(hdac, dai_map); |
597 | if (ret < 0) | |
598 | return ret; | |
b0362adb | 599 | |
2428bca3 | 600 | ret = hdac_hdmi_eld_limit_formats(substream->runtime, |
148569fd | 601 | pin->eld.eld_buffer); |
2428bca3 SP |
602 | if (ret < 0) |
603 | return ret; | |
b0362adb | 604 | |
2428bca3 | 605 | return snd_pcm_hw_constraint_eld(substream->runtime, |
148569fd | 606 | pin->eld.eld_buffer); |
b0362adb SP |
607 | } |
608 | ||
571d5078 JK |
609 | static int hdac_hdmi_trigger(struct snd_pcm_substream *substream, int cmd, |
610 | struct snd_soc_dai *dai) | |
611 | { | |
612 | struct hdac_hdmi_dai_pin_map *dai_map; | |
613 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
614 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
615 | int ret; | |
616 | ||
617 | dai_map = &hdmi->dai_map[dai->id]; | |
618 | if (cmd == SNDRV_PCM_TRIGGER_RESUME) { | |
619 | ret = hdac_hdmi_enable_pin(hdac, dai_map); | |
620 | if (ret < 0) | |
621 | return ret; | |
622 | ||
623 | return hdac_hdmi_playback_prepare(substream, dai); | |
624 | } | |
625 | ||
626 | return 0; | |
627 | } | |
628 | ||
b0362adb SP |
629 | static void hdac_hdmi_pcm_close(struct snd_pcm_substream *substream, |
630 | struct snd_soc_dai *dai) | |
631 | { | |
632 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
633 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
634 | struct hdac_hdmi_dai_pin_map *dai_map; | |
635 | ||
636 | dai_map = &hdmi->dai_map[dai->id]; | |
637 | ||
54dfa1ea SP |
638 | if (dai_map->pin) { |
639 | snd_hdac_codec_write(&hdac->hdac, dai_map->cvt->nid, 0, | |
640 | AC_VERB_SET_CHANNEL_STREAMID, 0); | |
641 | snd_hdac_codec_write(&hdac->hdac, dai_map->cvt->nid, 0, | |
642 | AC_VERB_SET_STREAM_FORMAT, 0); | |
643 | ||
644 | hdac_hdmi_set_power_state(hdac, dai_map, AC_PWRST_D3); | |
b0362adb | 645 | |
54dfa1ea | 646 | snd_hdac_codec_write(&hdac->hdac, dai_map->pin->nid, 0, |
b0362adb | 647 | AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE); |
148569fd | 648 | |
54dfa1ea SP |
649 | dai_map->pin = NULL; |
650 | } | |
b0362adb SP |
651 | } |
652 | ||
18382ead SP |
653 | static int |
654 | hdac_hdmi_query_cvt_params(struct hdac_device *hdac, struct hdac_hdmi_cvt *cvt) | |
655 | { | |
656 | int err; | |
657 | ||
658 | /* Only stereo supported as of now */ | |
659 | cvt->params.channels_min = cvt->params.channels_max = 2; | |
660 | ||
661 | err = snd_hdac_query_supported_pcm(hdac, cvt->nid, | |
662 | &cvt->params.rates, | |
663 | &cvt->params.formats, | |
664 | &cvt->params.maxbps); | |
665 | if (err < 0) | |
666 | dev_err(&hdac->dev, | |
667 | "Failed to query pcm params for nid %d: %d\n", | |
668 | cvt->nid, err); | |
669 | ||
670 | return err; | |
671 | } | |
672 | ||
79f4e922 SP |
673 | static int hdac_hdmi_fill_widget_info(struct device *dev, |
674 | struct snd_soc_dapm_widget *w, | |
675 | enum snd_soc_dapm_type id, void *priv, | |
676 | const char *wname, const char *stream, | |
677 | struct snd_kcontrol_new *wc, int numkc) | |
18382ead SP |
678 | { |
679 | w->id = id; | |
79f4e922 SP |
680 | w->name = devm_kstrdup(dev, wname, GFP_KERNEL); |
681 | if (!w->name) | |
682 | return -ENOMEM; | |
683 | ||
18382ead SP |
684 | w->sname = stream; |
685 | w->reg = SND_SOC_NOPM; | |
686 | w->shift = 0; | |
79f4e922 SP |
687 | w->kcontrol_news = wc; |
688 | w->num_kcontrols = numkc; | |
689 | w->priv = priv; | |
690 | ||
691 | return 0; | |
18382ead SP |
692 | } |
693 | ||
694 | static void hdac_hdmi_fill_route(struct snd_soc_dapm_route *route, | |
79f4e922 SP |
695 | const char *sink, const char *control, const char *src, |
696 | int (*handler)(struct snd_soc_dapm_widget *src, | |
697 | struct snd_soc_dapm_widget *sink)) | |
18382ead SP |
698 | { |
699 | route->sink = sink; | |
700 | route->source = src; | |
701 | route->control = control; | |
79f4e922 | 702 | route->connected = handler; |
18382ead SP |
703 | } |
704 | ||
4a3478de JK |
705 | static struct hdac_hdmi_pcm *hdac_hdmi_get_pcm(struct hdac_ext_device *edev, |
706 | struct hdac_hdmi_pin *pin) | |
707 | { | |
708 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
709 | struct hdac_hdmi_pcm *pcm = NULL; | |
710 | ||
711 | list_for_each_entry(pcm, &hdmi->pcm_list, head) { | |
712 | if (pcm->pin == pin) | |
713 | return pcm; | |
714 | } | |
715 | ||
716 | return NULL; | |
717 | } | |
718 | ||
719 | /* | |
720 | * Based on user selection, map the PINs with the PCMs. | |
721 | */ | |
722 | static int hdac_hdmi_set_pin_mux(struct snd_kcontrol *kcontrol, | |
723 | struct snd_ctl_elem_value *ucontrol) | |
724 | { | |
725 | int ret; | |
726 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
727 | struct snd_soc_dapm_widget *w = snd_soc_dapm_kcontrol_widget(kcontrol); | |
728 | struct snd_soc_dapm_context *dapm = w->dapm; | |
729 | struct hdac_hdmi_pin *pin = w->priv; | |
730 | struct hdac_ext_device *edev = to_hda_ext_device(dapm->dev); | |
731 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
732 | struct hdac_hdmi_pcm *pcm = NULL; | |
733 | const char *cvt_name = e->texts[ucontrol->value.enumerated.item[0]]; | |
734 | ||
735 | ret = snd_soc_dapm_put_enum_double(kcontrol, ucontrol); | |
736 | if (ret < 0) | |
737 | return ret; | |
738 | ||
739 | mutex_lock(&hdmi->pin_mutex); | |
740 | list_for_each_entry(pcm, &hdmi->pcm_list, head) { | |
741 | if (pcm->pin == pin) | |
742 | pcm->pin = NULL; | |
743 | ||
744 | /* | |
745 | * Jack status is not reported during device probe as the | |
746 | * PCMs are not registered by then. So report it here. | |
747 | */ | |
748 | if (!strcmp(cvt_name, pcm->cvt->name) && !pcm->pin) { | |
749 | pcm->pin = pin; | |
750 | if (pin->eld.monitor_present && pin->eld.eld_valid) { | |
751 | dev_dbg(&edev->hdac.dev, | |
752 | "jack report for pcm=%d\n", | |
753 | pcm->pcm_id); | |
754 | ||
755 | snd_jack_report(pcm->jack, SND_JACK_AVOUT); | |
756 | } | |
757 | mutex_unlock(&hdmi->pin_mutex); | |
758 | return ret; | |
759 | } | |
760 | } | |
761 | mutex_unlock(&hdmi->pin_mutex); | |
762 | ||
763 | return ret; | |
764 | } | |
765 | ||
79f4e922 SP |
766 | /* |
767 | * Ideally the Mux inputs should be based on the num_muxs enumerated, but | |
768 | * the display driver seem to be programming the connection list for the pin | |
769 | * widget runtime. | |
770 | * | |
771 | * So programming all the possible inputs for the mux, the user has to take | |
772 | * care of selecting the right one and leaving all other inputs selected to | |
773 | * "NONE" | |
774 | */ | |
775 | static int hdac_hdmi_create_pin_muxs(struct hdac_ext_device *edev, | |
776 | struct hdac_hdmi_pin *pin, | |
777 | struct snd_soc_dapm_widget *widget, | |
778 | const char *widget_name) | |
779 | { | |
780 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
781 | struct snd_kcontrol_new *kc; | |
782 | struct hdac_hdmi_cvt *cvt; | |
783 | struct soc_enum *se; | |
784 | char kc_name[NAME_SIZE]; | |
785 | char mux_items[NAME_SIZE]; | |
786 | /* To hold inputs to the Pin mux */ | |
787 | char *items[HDA_MAX_CONNECTIONS]; | |
788 | int i = 0; | |
789 | int num_items = hdmi->num_cvt + 1; | |
790 | ||
791 | kc = devm_kzalloc(&edev->hdac.dev, sizeof(*kc), GFP_KERNEL); | |
792 | if (!kc) | |
793 | return -ENOMEM; | |
794 | ||
795 | se = devm_kzalloc(&edev->hdac.dev, sizeof(*se), GFP_KERNEL); | |
796 | if (!se) | |
797 | return -ENOMEM; | |
798 | ||
799 | sprintf(kc_name, "Pin %d Input", pin->nid); | |
800 | kc->name = devm_kstrdup(&edev->hdac.dev, kc_name, GFP_KERNEL); | |
801 | if (!kc->name) | |
802 | return -ENOMEM; | |
803 | ||
804 | kc->private_value = (long)se; | |
805 | kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
806 | kc->access = 0; | |
807 | kc->info = snd_soc_info_enum_double; | |
4a3478de | 808 | kc->put = hdac_hdmi_set_pin_mux; |
79f4e922 SP |
809 | kc->get = snd_soc_dapm_get_enum_double; |
810 | ||
811 | se->reg = SND_SOC_NOPM; | |
812 | ||
813 | /* enum texts: ["NONE", "cvt #", "cvt #", ...] */ | |
814 | se->items = num_items; | |
815 | se->mask = roundup_pow_of_two(se->items) - 1; | |
816 | ||
817 | sprintf(mux_items, "NONE"); | |
818 | items[i] = devm_kstrdup(&edev->hdac.dev, mux_items, GFP_KERNEL); | |
819 | if (!items[i]) | |
820 | return -ENOMEM; | |
821 | ||
822 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { | |
823 | i++; | |
824 | sprintf(mux_items, "cvt %d", cvt->nid); | |
825 | items[i] = devm_kstrdup(&edev->hdac.dev, mux_items, GFP_KERNEL); | |
826 | if (!items[i]) | |
827 | return -ENOMEM; | |
828 | } | |
829 | ||
830 | se->texts = devm_kmemdup(&edev->hdac.dev, items, | |
831 | (num_items * sizeof(char *)), GFP_KERNEL); | |
832 | if (!se->texts) | |
833 | return -ENOMEM; | |
834 | ||
835 | return hdac_hdmi_fill_widget_info(&edev->hdac.dev, widget, | |
4a3478de | 836 | snd_soc_dapm_mux, pin, widget_name, NULL, kc, 1); |
79f4e922 SP |
837 | } |
838 | ||
839 | /* Add cvt <- input <- mux route map */ | |
840 | static void hdac_hdmi_add_pinmux_cvt_route(struct hdac_ext_device *edev, | |
841 | struct snd_soc_dapm_widget *widgets, | |
842 | struct snd_soc_dapm_route *route, int rindex) | |
843 | { | |
844 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
845 | const struct snd_kcontrol_new *kc; | |
846 | struct soc_enum *se; | |
847 | int mux_index = hdmi->num_cvt + hdmi->num_pin; | |
848 | int i, j; | |
849 | ||
850 | for (i = 0; i < hdmi->num_pin; i++) { | |
851 | kc = widgets[mux_index].kcontrol_news; | |
852 | se = (struct soc_enum *)kc->private_value; | |
853 | for (j = 0; j < hdmi->num_cvt; j++) { | |
854 | hdac_hdmi_fill_route(&route[rindex], | |
855 | widgets[mux_index].name, | |
856 | se->texts[j + 1], | |
857 | widgets[j].name, NULL); | |
858 | ||
859 | rindex++; | |
860 | } | |
861 | ||
862 | mux_index++; | |
863 | } | |
864 | } | |
865 | ||
866 | /* | |
867 | * Widgets are added in the below sequence | |
868 | * Converter widgets for num converters enumerated | |
869 | * Pin widgets for num pins enumerated | |
870 | * Pin mux widgets to represent connenction list of pin widget | |
871 | * | |
872 | * Total widgets elements = num_cvt + num_pin + num_pin; | |
873 | * | |
874 | * Routes are added as below: | |
875 | * pin mux -> pin (based on num_pins) | |
876 | * cvt -> "Input sel control" -> pin_mux | |
877 | * | |
878 | * Total route elements: | |
879 | * num_pins + (pin_muxes * num_cvt) | |
880 | */ | |
881 | static int create_fill_widget_route_map(struct snd_soc_dapm_context *dapm) | |
18382ead | 882 | { |
79f4e922 SP |
883 | struct snd_soc_dapm_widget *widgets; |
884 | struct snd_soc_dapm_route *route; | |
885 | struct hdac_ext_device *edev = to_hda_ext_device(dapm->dev); | |
886 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
887 | struct snd_soc_dai_driver *dai_drv = dapm->component->dai_drv; | |
888 | char widget_name[NAME_SIZE]; | |
889 | struct hdac_hdmi_cvt *cvt; | |
890 | struct hdac_hdmi_pin *pin; | |
891 | int ret, i = 0, num_routes = 0; | |
18382ead | 892 | |
79f4e922 SP |
893 | if (list_empty(&hdmi->cvt_list) || list_empty(&hdmi->pin_list)) |
894 | return -EINVAL; | |
18382ead | 895 | |
79f4e922 SP |
896 | widgets = devm_kzalloc(dapm->dev, |
897 | (sizeof(*widgets) * ((2 * hdmi->num_pin) + hdmi->num_cvt)), | |
898 | GFP_KERNEL); | |
18382ead | 899 | |
79f4e922 SP |
900 | if (!widgets) |
901 | return -ENOMEM; | |
902 | ||
903 | /* DAPM widgets to represent each converter widget */ | |
904 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { | |
905 | sprintf(widget_name, "Converter %d", cvt->nid); | |
906 | ret = hdac_hdmi_fill_widget_info(dapm->dev, &widgets[i], | |
907 | snd_soc_dapm_aif_in, &cvt->nid, | |
908 | widget_name, dai_drv[i].playback.stream_name, NULL, 0); | |
909 | if (ret < 0) | |
910 | return ret; | |
911 | i++; | |
912 | } | |
913 | ||
914 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
915 | sprintf(widget_name, "hif%d Output", pin->nid); | |
916 | ret = hdac_hdmi_fill_widget_info(dapm->dev, &widgets[i], | |
917 | snd_soc_dapm_output, &pin->nid, | |
918 | widget_name, NULL, NULL, 0); | |
919 | if (ret < 0) | |
920 | return ret; | |
921 | i++; | |
922 | } | |
923 | ||
924 | /* DAPM widgets to represent the connection list to pin widget */ | |
925 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
926 | sprintf(widget_name, "Pin %d Mux", pin->nid); | |
927 | ret = hdac_hdmi_create_pin_muxs(edev, pin, &widgets[i], | |
928 | widget_name); | |
929 | if (ret < 0) | |
930 | return ret; | |
931 | i++; | |
932 | ||
933 | /* For cvt to pin_mux mapping */ | |
934 | num_routes += hdmi->num_cvt; | |
935 | ||
936 | /* For pin_mux to pin mapping */ | |
937 | num_routes++; | |
938 | } | |
939 | ||
940 | route = devm_kzalloc(dapm->dev, (sizeof(*route) * num_routes), | |
941 | GFP_KERNEL); | |
942 | if (!route) | |
943 | return -ENOMEM; | |
944 | ||
945 | i = 0; | |
946 | /* Add pin <- NULL <- mux route map */ | |
947 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
948 | int sink_index = i + hdmi->num_cvt; | |
949 | int src_index = sink_index + hdmi->num_pin; | |
950 | ||
951 | hdac_hdmi_fill_route(&route[i], | |
952 | widgets[sink_index].name, NULL, | |
953 | widgets[src_index].name, NULL); | |
954 | i++; | |
955 | ||
956 | } | |
957 | ||
958 | hdac_hdmi_add_pinmux_cvt_route(edev, widgets, route, i); | |
959 | ||
960 | snd_soc_dapm_new_controls(dapm, widgets, | |
961 | ((2 * hdmi->num_pin) + hdmi->num_cvt)); | |
962 | ||
963 | snd_soc_dapm_add_routes(dapm, route, num_routes); | |
964 | snd_soc_dapm_new_widgets(dapm->card); | |
965 | ||
966 | return 0; | |
18382ead | 967 | |
18382ead SP |
968 | } |
969 | ||
15b91447 | 970 | static int hdac_hdmi_init_dai_map(struct hdac_ext_device *edev) |
18382ead | 971 | { |
15b91447 | 972 | struct hdac_hdmi_priv *hdmi = edev->private_data; |
148569fd | 973 | struct hdac_hdmi_dai_pin_map *dai_map; |
15b91447 | 974 | struct hdac_hdmi_cvt *cvt; |
148569fd | 975 | int dai_id = 0; |
18382ead | 976 | |
148569fd | 977 | if (list_empty(&hdmi->cvt_list)) |
15b91447 | 978 | return -EINVAL; |
18382ead | 979 | |
148569fd SP |
980 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { |
981 | dai_map = &hdmi->dai_map[dai_id]; | |
982 | dai_map->dai_id = dai_id; | |
983 | dai_map->cvt = cvt; | |
18382ead | 984 | |
148569fd | 985 | dai_id++; |
18382ead | 986 | |
148569fd SP |
987 | if (dai_id == HDA_MAX_CVTS) { |
988 | dev_warn(&edev->hdac.dev, | |
989 | "Max dais supported: %d\n", dai_id); | |
990 | break; | |
991 | } | |
992 | } | |
18382ead | 993 | |
15b91447 SP |
994 | return 0; |
995 | } | |
996 | ||
997 | static int hdac_hdmi_add_cvt(struct hdac_ext_device *edev, hda_nid_t nid) | |
998 | { | |
999 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1000 | struct hdac_hdmi_cvt *cvt; | |
4a3478de | 1001 | char name[NAME_SIZE]; |
15b91447 SP |
1002 | |
1003 | cvt = kzalloc(sizeof(*cvt), GFP_KERNEL); | |
1004 | if (!cvt) | |
1005 | return -ENOMEM; | |
1006 | ||
1007 | cvt->nid = nid; | |
4a3478de JK |
1008 | sprintf(name, "cvt %d", cvt->nid); |
1009 | cvt->name = kstrdup(name, GFP_KERNEL); | |
15b91447 SP |
1010 | |
1011 | list_add_tail(&cvt->head, &hdmi->cvt_list); | |
1012 | hdmi->num_cvt++; | |
1013 | ||
1014 | return hdac_hdmi_query_cvt_params(&edev->hdac, cvt); | |
1015 | } | |
1016 | ||
b7756ede SP |
1017 | static void hdac_hdmi_parse_eld(struct hdac_ext_device *edev, |
1018 | struct hdac_hdmi_pin *pin) | |
1019 | { | |
1020 | pin->eld.info.spk_alloc = pin->eld.eld_buffer[DRM_ELD_SPEAKER]; | |
1021 | } | |
1022 | ||
b8a54545 SP |
1023 | static void hdac_hdmi_present_sense(struct hdac_hdmi_pin *pin, int repoll) |
1024 | { | |
1025 | struct hdac_ext_device *edev = pin->edev; | |
4a3478de JK |
1026 | struct hdac_hdmi_priv *hdmi = edev->private_data; |
1027 | struct hdac_hdmi_pcm *pcm; | |
b8a54545 SP |
1028 | int val; |
1029 | ||
b8a54545 SP |
1030 | pin->repoll_count = repoll; |
1031 | ||
1032 | pm_runtime_get_sync(&edev->hdac.dev); | |
1033 | val = snd_hdac_codec_read(&edev->hdac, pin->nid, 0, | |
1034 | AC_VERB_GET_PIN_SENSE, 0); | |
1035 | ||
1036 | dev_dbg(&edev->hdac.dev, "Pin sense val %x for pin: %d\n", | |
1037 | val, pin->nid); | |
1038 | ||
4a3478de JK |
1039 | |
1040 | mutex_lock(&hdmi->pin_mutex); | |
b8a54545 SP |
1041 | pin->eld.monitor_present = !!(val & AC_PINSENSE_PRESENCE); |
1042 | pin->eld.eld_valid = !!(val & AC_PINSENSE_ELDV); | |
1043 | ||
4a3478de JK |
1044 | pcm = hdac_hdmi_get_pcm(edev, pin); |
1045 | ||
b8a54545 SP |
1046 | if (!pin->eld.monitor_present || !pin->eld.eld_valid) { |
1047 | ||
1048 | dev_dbg(&edev->hdac.dev, "%s: disconnect for pin %d\n", | |
1049 | __func__, pin->nid); | |
4a3478de JK |
1050 | |
1051 | /* | |
1052 | * PCMs are not registered during device probe, so don't | |
1053 | * report jack here. It will be done in usermode mux | |
1054 | * control select. | |
1055 | */ | |
1056 | if (pcm) { | |
1057 | dev_dbg(&edev->hdac.dev, | |
1058 | "jack report for pcm=%d\n", pcm->pcm_id); | |
1059 | ||
1060 | snd_jack_report(pcm->jack, 0); | |
1061 | } | |
1062 | ||
1063 | mutex_unlock(&hdmi->pin_mutex); | |
b8a54545 SP |
1064 | goto put_hdac_device; |
1065 | } | |
1066 | ||
1067 | if (pin->eld.monitor_present && pin->eld.eld_valid) { | |
1068 | /* TODO: use i915 component for reading ELD later */ | |
1069 | if (hdac_hdmi_get_eld(&edev->hdac, pin->nid, | |
1070 | pin->eld.eld_buffer, | |
1071 | &pin->eld.eld_size) == 0) { | |
1072 | ||
4a3478de JK |
1073 | if (pcm) { |
1074 | dev_dbg(&edev->hdac.dev, | |
1075 | "jack report for pcm=%d\n", | |
1076 | pcm->pcm_id); | |
1077 | ||
1078 | snd_jack_report(pcm->jack, SND_JACK_AVOUT); | |
1079 | } | |
b7756ede | 1080 | hdac_hdmi_parse_eld(edev, pin); |
4a3478de | 1081 | |
b8a54545 SP |
1082 | print_hex_dump_bytes("ELD: ", DUMP_PREFIX_OFFSET, |
1083 | pin->eld.eld_buffer, pin->eld.eld_size); | |
1084 | } else { | |
1085 | pin->eld.monitor_present = false; | |
1086 | pin->eld.eld_valid = false; | |
4a3478de JK |
1087 | |
1088 | if (pcm) { | |
1089 | dev_dbg(&edev->hdac.dev, | |
1090 | "jack report for pcm=%d\n", | |
1091 | pcm->pcm_id); | |
1092 | ||
1093 | snd_jack_report(pcm->jack, 0); | |
1094 | } | |
b8a54545 SP |
1095 | } |
1096 | } | |
1097 | ||
4a3478de JK |
1098 | mutex_unlock(&hdmi->pin_mutex); |
1099 | ||
b8a54545 SP |
1100 | /* |
1101 | * Sometimes the pin_sense may present invalid monitor | |
1102 | * present and eld_valid. If ELD data is not valid, loop few | |
1103 | * more times to get correct pin sense and valid ELD. | |
1104 | */ | |
1105 | if ((!pin->eld.monitor_present || !pin->eld.eld_valid) && repoll) | |
1106 | schedule_delayed_work(&pin->work, msecs_to_jiffies(300)); | |
1107 | ||
1108 | put_hdac_device: | |
1109 | pm_runtime_put_sync(&edev->hdac.dev); | |
1110 | } | |
1111 | ||
1112 | static void hdac_hdmi_repoll_eld(struct work_struct *work) | |
1113 | { | |
1114 | struct hdac_hdmi_pin *pin = | |
1115 | container_of(to_delayed_work(work), struct hdac_hdmi_pin, work); | |
1116 | ||
1117 | /* picked from legacy HDA driver */ | |
1118 | if (pin->repoll_count++ > 6) | |
1119 | pin->repoll_count = 0; | |
1120 | ||
1121 | hdac_hdmi_present_sense(pin, pin->repoll_count); | |
1122 | } | |
1123 | ||
15b91447 SP |
1124 | static int hdac_hdmi_add_pin(struct hdac_ext_device *edev, hda_nid_t nid) |
1125 | { | |
1126 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1127 | struct hdac_hdmi_pin *pin; | |
1128 | ||
1129 | pin = kzalloc(sizeof(*pin), GFP_KERNEL); | |
1130 | if (!pin) | |
1131 | return -ENOMEM; | |
1132 | ||
1133 | pin->nid = nid; | |
1134 | ||
1135 | list_add_tail(&pin->head, &hdmi->pin_list); | |
1136 | hdmi->num_pin++; | |
1137 | ||
b8a54545 SP |
1138 | pin->edev = edev; |
1139 | INIT_DELAYED_WORK(&pin->work, hdac_hdmi_repoll_eld); | |
1140 | ||
15b91447 | 1141 | return 0; |
18382ead SP |
1142 | } |
1143 | ||
211caab7 SP |
1144 | #define INTEL_VENDOR_NID 0x08 |
1145 | #define INTEL_GET_VENDOR_VERB 0xf81 | |
1146 | #define INTEL_SET_VENDOR_VERB 0x781 | |
1147 | #define INTEL_EN_DP12 0x02 /* enable DP 1.2 features */ | |
1148 | #define INTEL_EN_ALL_PIN_CVTS 0x01 /* enable 2nd & 3rd pins and convertors */ | |
1149 | ||
1150 | static void hdac_hdmi_skl_enable_all_pins(struct hdac_device *hdac) | |
1151 | { | |
1152 | unsigned int vendor_param; | |
1153 | ||
1154 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
1155 | INTEL_GET_VENDOR_VERB, 0); | |
1156 | if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS) | |
1157 | return; | |
1158 | ||
1159 | vendor_param |= INTEL_EN_ALL_PIN_CVTS; | |
1160 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
1161 | INTEL_SET_VENDOR_VERB, vendor_param); | |
1162 | if (vendor_param == -1) | |
1163 | return; | |
1164 | } | |
1165 | ||
1166 | static void hdac_hdmi_skl_enable_dp12(struct hdac_device *hdac) | |
1167 | { | |
1168 | unsigned int vendor_param; | |
1169 | ||
1170 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
1171 | INTEL_GET_VENDOR_VERB, 0); | |
1172 | if (vendor_param == -1 || vendor_param & INTEL_EN_DP12) | |
1173 | return; | |
1174 | ||
1175 | /* enable DP1.2 mode */ | |
1176 | vendor_param |= INTEL_EN_DP12; | |
1177 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
1178 | INTEL_SET_VENDOR_VERB, vendor_param); | |
1179 | if (vendor_param == -1) | |
1180 | return; | |
1181 | ||
1182 | } | |
1183 | ||
17a42c45 SP |
1184 | static struct snd_soc_dai_ops hdmi_dai_ops = { |
1185 | .startup = hdac_hdmi_pcm_open, | |
1186 | .shutdown = hdac_hdmi_pcm_close, | |
1187 | .hw_params = hdac_hdmi_set_hw_params, | |
1188 | .prepare = hdac_hdmi_playback_prepare, | |
571d5078 | 1189 | .trigger = hdac_hdmi_trigger, |
17a42c45 SP |
1190 | .hw_free = hdac_hdmi_playback_cleanup, |
1191 | }; | |
1192 | ||
1193 | /* | |
1194 | * Each converter can support a stream independently. So a dai is created | |
1195 | * based on the number of converter queried. | |
1196 | */ | |
1197 | static int hdac_hdmi_create_dais(struct hdac_device *hdac, | |
1198 | struct snd_soc_dai_driver **dais, | |
1199 | struct hdac_hdmi_priv *hdmi, int num_dais) | |
1200 | { | |
1201 | struct snd_soc_dai_driver *hdmi_dais; | |
1202 | struct hdac_hdmi_cvt *cvt; | |
1203 | char name[NAME_SIZE], dai_name[NAME_SIZE]; | |
1204 | int i = 0; | |
1205 | u32 rates, bps; | |
1206 | unsigned int rate_max = 384000, rate_min = 8000; | |
1207 | u64 formats; | |
1208 | int ret; | |
1209 | ||
1210 | hdmi_dais = devm_kzalloc(&hdac->dev, | |
1211 | (sizeof(*hdmi_dais) * num_dais), | |
1212 | GFP_KERNEL); | |
1213 | if (!hdmi_dais) | |
1214 | return -ENOMEM; | |
1215 | ||
1216 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { | |
1217 | ret = snd_hdac_query_supported_pcm(hdac, cvt->nid, | |
1218 | &rates, &formats, &bps); | |
1219 | if (ret) | |
1220 | return ret; | |
1221 | ||
1222 | sprintf(dai_name, "intel-hdmi-hifi%d", i+1); | |
1223 | hdmi_dais[i].name = devm_kstrdup(&hdac->dev, | |
1224 | dai_name, GFP_KERNEL); | |
1225 | ||
1226 | if (!hdmi_dais[i].name) | |
1227 | return -ENOMEM; | |
1228 | ||
1229 | snprintf(name, sizeof(name), "hifi%d", i+1); | |
1230 | hdmi_dais[i].playback.stream_name = | |
1231 | devm_kstrdup(&hdac->dev, name, GFP_KERNEL); | |
1232 | if (!hdmi_dais[i].playback.stream_name) | |
1233 | return -ENOMEM; | |
1234 | ||
1235 | /* | |
1236 | * Set caps based on capability queried from the converter. | |
1237 | * It will be constrained runtime based on ELD queried. | |
1238 | */ | |
1239 | hdmi_dais[i].playback.formats = formats; | |
1240 | hdmi_dais[i].playback.rates = rates; | |
1241 | hdmi_dais[i].playback.rate_max = rate_max; | |
1242 | hdmi_dais[i].playback.rate_min = rate_min; | |
1243 | hdmi_dais[i].playback.channels_min = 2; | |
1244 | hdmi_dais[i].playback.channels_max = 2; | |
1245 | hdmi_dais[i].ops = &hdmi_dai_ops; | |
1246 | ||
1247 | i++; | |
1248 | } | |
1249 | ||
1250 | *dais = hdmi_dais; | |
1251 | ||
1252 | return 0; | |
1253 | } | |
1254 | ||
18382ead SP |
1255 | /* |
1256 | * Parse all nodes and store the cvt/pin nids in array | |
1257 | * Add one time initialization for pin and cvt widgets | |
1258 | */ | |
17a42c45 SP |
1259 | static int hdac_hdmi_parse_and_map_nid(struct hdac_ext_device *edev, |
1260 | struct snd_soc_dai_driver **dais, int *num_dais) | |
18382ead SP |
1261 | { |
1262 | hda_nid_t nid; | |
3c83ac23 | 1263 | int i, num_nodes; |
18382ead SP |
1264 | struct hdac_device *hdac = &edev->hdac; |
1265 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
15b91447 | 1266 | int ret; |
18382ead | 1267 | |
211caab7 SP |
1268 | hdac_hdmi_skl_enable_all_pins(hdac); |
1269 | hdac_hdmi_skl_enable_dp12(hdac); | |
1270 | ||
3c83ac23 | 1271 | num_nodes = snd_hdac_get_sub_nodes(hdac, hdac->afg, &nid); |
541140d4 | 1272 | if (!nid || num_nodes <= 0) { |
18382ead SP |
1273 | dev_warn(&hdac->dev, "HDMI: failed to get afg sub nodes\n"); |
1274 | return -EINVAL; | |
1275 | } | |
1276 | ||
3c83ac23 | 1277 | hdac->num_nodes = num_nodes; |
18382ead SP |
1278 | hdac->start_nid = nid; |
1279 | ||
1280 | for (i = 0; i < hdac->num_nodes; i++, nid++) { | |
1281 | unsigned int caps; | |
1282 | unsigned int type; | |
1283 | ||
1284 | caps = get_wcaps(hdac, nid); | |
1285 | type = get_wcaps_type(caps); | |
1286 | ||
1287 | if (!(caps & AC_WCAP_DIGITAL)) | |
1288 | continue; | |
1289 | ||
1290 | switch (type) { | |
1291 | ||
1292 | case AC_WID_AUD_OUT: | |
15b91447 SP |
1293 | ret = hdac_hdmi_add_cvt(edev, nid); |
1294 | if (ret < 0) | |
1295 | return ret; | |
18382ead SP |
1296 | break; |
1297 | ||
1298 | case AC_WID_PIN: | |
15b91447 SP |
1299 | ret = hdac_hdmi_add_pin(edev, nid); |
1300 | if (ret < 0) | |
1301 | return ret; | |
18382ead SP |
1302 | break; |
1303 | } | |
1304 | } | |
1305 | ||
1306 | hdac->end_nid = nid; | |
1307 | ||
15b91447 | 1308 | if (!hdmi->num_pin || !hdmi->num_cvt) |
18382ead SP |
1309 | return -EIO; |
1310 | ||
17a42c45 SP |
1311 | ret = hdac_hdmi_create_dais(hdac, dais, hdmi, hdmi->num_cvt); |
1312 | if (ret) { | |
1313 | dev_err(&hdac->dev, "Failed to create dais with err: %d\n", | |
1314 | ret); | |
1315 | return ret; | |
1316 | } | |
1317 | ||
1318 | *num_dais = hdmi->num_cvt; | |
1319 | ||
15b91447 | 1320 | return hdac_hdmi_init_dai_map(edev); |
18382ead SP |
1321 | } |
1322 | ||
b8a54545 SP |
1323 | static void hdac_hdmi_eld_notify_cb(void *aptr, int port) |
1324 | { | |
1325 | struct hdac_ext_device *edev = aptr; | |
1326 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1327 | struct hdac_hdmi_pin *pin; | |
1328 | struct snd_soc_codec *codec = edev->scodec; | |
1329 | ||
1330 | /* Don't know how this mapping is derived */ | |
1331 | hda_nid_t pin_nid = port + 0x04; | |
1332 | ||
1333 | dev_dbg(&edev->hdac.dev, "%s: for pin: %d\n", __func__, pin_nid); | |
1334 | ||
1335 | /* | |
1336 | * skip notification during system suspend (but not in runtime PM); | |
1337 | * the state will be updated at resume. Also since the ELD and | |
1338 | * connection states are updated in anyway at the end of the resume, | |
1339 | * we can skip it when received during PM process. | |
1340 | */ | |
1341 | if (snd_power_get_state(codec->component.card->snd_card) != | |
1342 | SNDRV_CTL_POWER_D0) | |
1343 | return; | |
1344 | ||
1345 | if (atomic_read(&edev->hdac.in_pm)) | |
1346 | return; | |
1347 | ||
1348 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
1349 | if (pin->nid == pin_nid) | |
1350 | hdac_hdmi_present_sense(pin, 1); | |
1351 | } | |
1352 | } | |
1353 | ||
1354 | static struct i915_audio_component_audio_ops aops = { | |
1355 | .pin_eld_notify = hdac_hdmi_eld_notify_cb, | |
1356 | }; | |
1357 | ||
4a3478de JK |
1358 | int hdac_hdmi_jack_init(struct snd_soc_dai *dai, int device) |
1359 | { | |
1360 | char jack_name[NAME_SIZE]; | |
1361 | struct snd_soc_codec *codec = dai->codec; | |
1362 | struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); | |
1363 | struct snd_soc_dapm_context *dapm = | |
1364 | snd_soc_component_get_dapm(&codec->component); | |
1365 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1366 | struct hdac_hdmi_pcm *pcm; | |
1367 | ||
1368 | /* | |
1369 | * this is a new PCM device, create new pcm and | |
1370 | * add to the pcm list | |
1371 | */ | |
1372 | pcm = kzalloc(sizeof(*pcm), GFP_KERNEL); | |
1373 | if (!pcm) | |
1374 | return -ENOMEM; | |
1375 | pcm->pcm_id = device; | |
1376 | pcm->cvt = hdmi->dai_map[dai->id].cvt; | |
1377 | ||
1378 | list_add_tail(&pcm->head, &hdmi->pcm_list); | |
1379 | ||
1380 | sprintf(jack_name, "HDMI/DP, pcm=%d Jack", device); | |
1381 | ||
1382 | return snd_jack_new(dapm->card->snd_card, jack_name, | |
1383 | SND_JACK_AVOUT, &pcm->jack, true, false); | |
1384 | } | |
1385 | EXPORT_SYMBOL_GPL(hdac_hdmi_jack_init); | |
1386 | ||
18382ead SP |
1387 | static int hdmi_codec_probe(struct snd_soc_codec *codec) |
1388 | { | |
1389 | struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); | |
1390 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1391 | struct snd_soc_dapm_context *dapm = | |
1392 | snd_soc_component_get_dapm(&codec->component); | |
b8a54545 SP |
1393 | struct hdac_hdmi_pin *pin; |
1394 | int ret; | |
18382ead SP |
1395 | |
1396 | edev->scodec = codec; | |
1397 | ||
79f4e922 SP |
1398 | ret = create_fill_widget_route_map(dapm); |
1399 | if (ret < 0) | |
1400 | return ret; | |
18382ead | 1401 | |
b8a54545 SP |
1402 | aops.audio_ptr = edev; |
1403 | ret = snd_hdac_i915_register_notifier(&aops); | |
1404 | if (ret < 0) { | |
1405 | dev_err(&edev->hdac.dev, "notifier register failed: err: %d\n", | |
1406 | ret); | |
1407 | return ret; | |
1408 | } | |
1409 | ||
1410 | list_for_each_entry(pin, &hdmi->pin_list, head) | |
1411 | hdac_hdmi_present_sense(pin, 1); | |
1412 | ||
18382ead SP |
1413 | /* Imp: Store the card pointer in hda_codec */ |
1414 | edev->card = dapm->card->snd_card; | |
1415 | ||
e342ac08 SP |
1416 | /* |
1417 | * hdac_device core already sets the state to active and calls | |
1418 | * get_noresume. So enable runtime and set the device to suspend. | |
1419 | */ | |
1420 | pm_runtime_enable(&edev->hdac.dev); | |
1421 | pm_runtime_put(&edev->hdac.dev); | |
1422 | pm_runtime_suspend(&edev->hdac.dev); | |
1423 | ||
1424 | return 0; | |
1425 | } | |
1426 | ||
1427 | static int hdmi_codec_remove(struct snd_soc_codec *codec) | |
1428 | { | |
1429 | struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); | |
1430 | ||
1431 | pm_runtime_disable(&edev->hdac.dev); | |
18382ead SP |
1432 | return 0; |
1433 | } | |
1434 | ||
571d5078 JK |
1435 | #ifdef CONFIG_PM |
1436 | static int hdmi_codec_resume(struct snd_soc_codec *codec) | |
1437 | { | |
1438 | struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); | |
1439 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1440 | struct hdac_hdmi_pin *pin; | |
1441 | struct hdac_device *hdac = &edev->hdac; | |
1442 | struct hdac_bus *bus = hdac->bus; | |
1443 | int err; | |
1444 | unsigned long timeout; | |
1445 | ||
1446 | hdac_hdmi_skl_enable_all_pins(&edev->hdac); | |
1447 | hdac_hdmi_skl_enable_dp12(&edev->hdac); | |
1448 | ||
1449 | /* Power up afg */ | |
1450 | if (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D0)) { | |
1451 | ||
1452 | snd_hdac_codec_write(hdac, hdac->afg, 0, | |
1453 | AC_VERB_SET_POWER_STATE, AC_PWRST_D0); | |
1454 | ||
1455 | /* Wait till power state is set to D0 */ | |
1456 | timeout = jiffies + msecs_to_jiffies(1000); | |
1457 | while (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D0) | |
1458 | && time_before(jiffies, timeout)) { | |
1459 | msleep(50); | |
1460 | } | |
1461 | } | |
1462 | ||
1463 | /* | |
1464 | * As the ELD notify callback request is not entertained while the | |
1465 | * device is in suspend state. Need to manually check detection of | |
1466 | * all pins here. | |
1467 | */ | |
1468 | list_for_each_entry(pin, &hdmi->pin_list, head) | |
1469 | hdac_hdmi_present_sense(pin, 1); | |
1470 | ||
1471 | /* | |
1472 | * Codec power is turned ON during controller resume. | |
1473 | * Turn it OFF here | |
1474 | */ | |
1475 | err = snd_hdac_display_power(bus, false); | |
1476 | if (err < 0) { | |
1477 | dev_err(bus->dev, | |
1478 | "Cannot turn OFF display power on i915, err: %d\n", | |
1479 | err); | |
1480 | return err; | |
1481 | } | |
1482 | ||
1483 | return 0; | |
1484 | } | |
1485 | #else | |
1486 | #define hdmi_codec_resume NULL | |
1487 | #endif | |
1488 | ||
18382ead SP |
1489 | static struct snd_soc_codec_driver hdmi_hda_codec = { |
1490 | .probe = hdmi_codec_probe, | |
e342ac08 | 1491 | .remove = hdmi_codec_remove, |
571d5078 | 1492 | .resume = hdmi_codec_resume, |
18382ead SP |
1493 | .idle_bias_off = true, |
1494 | }; | |
1495 | ||
18382ead SP |
1496 | static int hdac_hdmi_dev_probe(struct hdac_ext_device *edev) |
1497 | { | |
1498 | struct hdac_device *codec = &edev->hdac; | |
1499 | struct hdac_hdmi_priv *hdmi_priv; | |
17a42c45 SP |
1500 | struct snd_soc_dai_driver *hdmi_dais = NULL; |
1501 | int num_dais = 0; | |
18382ead SP |
1502 | int ret = 0; |
1503 | ||
1504 | hdmi_priv = devm_kzalloc(&codec->dev, sizeof(*hdmi_priv), GFP_KERNEL); | |
1505 | if (hdmi_priv == NULL) | |
1506 | return -ENOMEM; | |
1507 | ||
1508 | edev->private_data = hdmi_priv; | |
1509 | ||
1510 | dev_set_drvdata(&codec->dev, edev); | |
1511 | ||
15b91447 SP |
1512 | INIT_LIST_HEAD(&hdmi_priv->pin_list); |
1513 | INIT_LIST_HEAD(&hdmi_priv->cvt_list); | |
4a3478de JK |
1514 | INIT_LIST_HEAD(&hdmi_priv->pcm_list); |
1515 | mutex_init(&hdmi_priv->pin_mutex); | |
15b91447 | 1516 | |
aeaccef0 RB |
1517 | /* |
1518 | * Turned off in the runtime_suspend during the first explicit | |
1519 | * pm_runtime_suspend call. | |
1520 | */ | |
1521 | ret = snd_hdac_display_power(edev->hdac.bus, true); | |
1522 | if (ret < 0) { | |
1523 | dev_err(&edev->hdac.dev, | |
1524 | "Cannot turn on display power on i915 err: %d\n", | |
1525 | ret); | |
1526 | return ret; | |
1527 | } | |
1528 | ||
17a42c45 SP |
1529 | ret = hdac_hdmi_parse_and_map_nid(edev, &hdmi_dais, &num_dais); |
1530 | if (ret < 0) { | |
1531 | dev_err(&codec->dev, | |
1532 | "Failed in parse and map nid with err: %d\n", ret); | |
18382ead | 1533 | return ret; |
17a42c45 | 1534 | } |
18382ead SP |
1535 | |
1536 | /* ASoC specific initialization */ | |
1537 | return snd_soc_register_codec(&codec->dev, &hdmi_hda_codec, | |
17a42c45 | 1538 | hdmi_dais, num_dais); |
18382ead SP |
1539 | } |
1540 | ||
1541 | static int hdac_hdmi_dev_remove(struct hdac_ext_device *edev) | |
1542 | { | |
15b91447 SP |
1543 | struct hdac_hdmi_priv *hdmi = edev->private_data; |
1544 | struct hdac_hdmi_pin *pin, *pin_next; | |
1545 | struct hdac_hdmi_cvt *cvt, *cvt_next; | |
4a3478de | 1546 | struct hdac_hdmi_pcm *pcm, *pcm_next; |
15b91447 | 1547 | |
18382ead SP |
1548 | snd_soc_unregister_codec(&edev->hdac.dev); |
1549 | ||
4a3478de JK |
1550 | list_for_each_entry_safe(pcm, pcm_next, &hdmi->pcm_list, head) { |
1551 | pcm->cvt = NULL; | |
1552 | pcm->pin = NULL; | |
1553 | list_del(&pcm->head); | |
1554 | kfree(pcm); | |
1555 | } | |
1556 | ||
15b91447 SP |
1557 | list_for_each_entry_safe(cvt, cvt_next, &hdmi->cvt_list, head) { |
1558 | list_del(&cvt->head); | |
4a3478de | 1559 | kfree(cvt->name); |
15b91447 SP |
1560 | kfree(cvt); |
1561 | } | |
1562 | ||
1563 | list_for_each_entry_safe(pin, pin_next, &hdmi->pin_list, head) { | |
1564 | list_del(&pin->head); | |
1565 | kfree(pin); | |
1566 | } | |
1567 | ||
18382ead SP |
1568 | return 0; |
1569 | } | |
1570 | ||
e342ac08 SP |
1571 | #ifdef CONFIG_PM |
1572 | static int hdac_hdmi_runtime_suspend(struct device *dev) | |
1573 | { | |
1574 | struct hdac_ext_device *edev = to_hda_ext_device(dev); | |
1575 | struct hdac_device *hdac = &edev->hdac; | |
07f083ab | 1576 | struct hdac_bus *bus = hdac->bus; |
7ed49700 | 1577 | unsigned long timeout; |
07f083ab | 1578 | int err; |
e342ac08 SP |
1579 | |
1580 | dev_dbg(dev, "Enter: %s\n", __func__); | |
1581 | ||
07f083ab SP |
1582 | /* controller may not have been initialized for the first time */ |
1583 | if (!bus) | |
1584 | return 0; | |
1585 | ||
e342ac08 | 1586 | /* Power down afg */ |
7ed49700 | 1587 | if (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D3)) { |
e342ac08 SP |
1588 | snd_hdac_codec_write(hdac, hdac->afg, 0, |
1589 | AC_VERB_SET_POWER_STATE, AC_PWRST_D3); | |
1590 | ||
7ed49700 SP |
1591 | /* Wait till power state is set to D3 */ |
1592 | timeout = jiffies + msecs_to_jiffies(1000); | |
1593 | while (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D3) | |
1594 | && time_before(jiffies, timeout)) { | |
1595 | ||
1596 | msleep(50); | |
1597 | } | |
1598 | } | |
1599 | ||
07f083ab SP |
1600 | err = snd_hdac_display_power(bus, false); |
1601 | if (err < 0) { | |
1602 | dev_err(bus->dev, "Cannot turn on display power on i915\n"); | |
1603 | return err; | |
1604 | } | |
1605 | ||
e342ac08 SP |
1606 | return 0; |
1607 | } | |
1608 | ||
1609 | static int hdac_hdmi_runtime_resume(struct device *dev) | |
1610 | { | |
1611 | struct hdac_ext_device *edev = to_hda_ext_device(dev); | |
1612 | struct hdac_device *hdac = &edev->hdac; | |
07f083ab SP |
1613 | struct hdac_bus *bus = hdac->bus; |
1614 | int err; | |
e342ac08 SP |
1615 | |
1616 | dev_dbg(dev, "Enter: %s\n", __func__); | |
1617 | ||
07f083ab SP |
1618 | /* controller may not have been initialized for the first time */ |
1619 | if (!bus) | |
1620 | return 0; | |
1621 | ||
1622 | err = snd_hdac_display_power(bus, true); | |
1623 | if (err < 0) { | |
1624 | dev_err(bus->dev, "Cannot turn on display power on i915\n"); | |
1625 | return err; | |
1626 | } | |
1627 | ||
ab85f5b3 SP |
1628 | hdac_hdmi_skl_enable_all_pins(&edev->hdac); |
1629 | hdac_hdmi_skl_enable_dp12(&edev->hdac); | |
1630 | ||
e342ac08 SP |
1631 | /* Power up afg */ |
1632 | if (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D0)) | |
1633 | snd_hdac_codec_write(hdac, hdac->afg, 0, | |
1634 | AC_VERB_SET_POWER_STATE, AC_PWRST_D0); | |
1635 | ||
1636 | return 0; | |
1637 | } | |
1638 | #else | |
1639 | #define hdac_hdmi_runtime_suspend NULL | |
1640 | #define hdac_hdmi_runtime_resume NULL | |
1641 | #endif | |
1642 | ||
1643 | static const struct dev_pm_ops hdac_hdmi_pm = { | |
1644 | SET_RUNTIME_PM_OPS(hdac_hdmi_runtime_suspend, hdac_hdmi_runtime_resume, NULL) | |
1645 | }; | |
1646 | ||
18382ead SP |
1647 | static const struct hda_device_id hdmi_list[] = { |
1648 | HDA_CODEC_EXT_ENTRY(0x80862809, 0x100000, "Skylake HDMI", 0), | |
e2304803 | 1649 | HDA_CODEC_EXT_ENTRY(0x8086280a, 0x100000, "Broxton HDMI", 0), |
18382ead SP |
1650 | {} |
1651 | }; | |
1652 | ||
1653 | MODULE_DEVICE_TABLE(hdaudio, hdmi_list); | |
1654 | ||
1655 | static struct hdac_ext_driver hdmi_driver = { | |
1656 | . hdac = { | |
1657 | .driver = { | |
1658 | .name = "HDMI HDA Codec", | |
e342ac08 | 1659 | .pm = &hdac_hdmi_pm, |
18382ead SP |
1660 | }, |
1661 | .id_table = hdmi_list, | |
1662 | }, | |
1663 | .probe = hdac_hdmi_dev_probe, | |
1664 | .remove = hdac_hdmi_dev_remove, | |
1665 | }; | |
1666 | ||
1667 | static int __init hdmi_init(void) | |
1668 | { | |
1669 | return snd_hda_ext_driver_register(&hdmi_driver); | |
1670 | } | |
1671 | ||
1672 | static void __exit hdmi_exit(void) | |
1673 | { | |
1674 | snd_hda_ext_driver_unregister(&hdmi_driver); | |
1675 | } | |
1676 | ||
1677 | module_init(hdmi_init); | |
1678 | module_exit(hdmi_exit); | |
1679 | ||
1680 | MODULE_LICENSE("GPL v2"); | |
1681 | MODULE_DESCRIPTION("HDMI HD codec"); | |
1682 | MODULE_AUTHOR("Samreen Nilofer<samreen.nilofer@intel.com>"); | |
1683 | MODULE_AUTHOR("Subhransu S. Prusty<subhransu.s.prusty@intel.com>"); |