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7f4a9f43 WF |
1 | /* |
2 | * Generic routines and proc interface for ELD(EDID Like Data) information | |
3 | * | |
4 | * Copyright(c) 2008 Intel Corporation. | |
5 | * | |
6 | * Authors: | |
7 | * Wu Fengguang <wfg@linux.intel.com> | |
8 | * | |
9 | * This driver 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; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This driver is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | */ | |
23 | ||
24 | #include <linux/init.h> | |
25 | #include <sound/core.h> | |
26 | #include <asm/unaligned.h> | |
27 | #include "hda_codec.h" | |
28 | #include "hda_local.h" | |
29 | ||
30 | enum eld_versions { | |
31 | ELD_VER_CEA_861D = 2, | |
32 | ELD_VER_PARTIAL = 31, | |
33 | }; | |
34 | ||
35 | static char *eld_versoin_names[32] = { | |
36 | "reserved", | |
37 | "reserved", | |
38 | "CEA-861D or below", | |
39 | [3 ... 30] = "reserved", | |
40 | [31] = "partial" | |
41 | }; | |
42 | ||
43 | enum cea_edid_versions { | |
44 | CEA_EDID_VER_NONE = 0, | |
45 | CEA_EDID_VER_CEA861 = 1, | |
46 | CEA_EDID_VER_CEA861A = 2, | |
47 | CEA_EDID_VER_CEA861BCD = 3, | |
48 | CEA_EDID_VER_RESERVED = 4, | |
49 | }; | |
50 | ||
51 | static char *cea_edid_version_names[8] = { | |
52 | "no CEA EDID Timing Extension block present", | |
53 | "CEA-861", | |
54 | "CEA-861-A", | |
55 | "CEA-861-B, C or D", | |
56 | [4 ... 7] = "reserved" | |
57 | }; | |
58 | ||
59 | static char *cea_speaker_allocation_names[] = { | |
60 | /* 0 */ "FL/FR", | |
61 | /* 1 */ "LFE", | |
62 | /* 2 */ "FC", | |
63 | /* 3 */ "RL/RR", | |
64 | /* 4 */ "RC", | |
65 | /* 5 */ "FLC/FRC", | |
66 | /* 6 */ "RLC/RRC", | |
67 | /* 7 */ "FLW/FRW", | |
68 | /* 8 */ "FLH/FRH", | |
69 | /* 9 */ "TC", | |
70 | /* 10 */ "FCH", | |
71 | }; | |
72 | ||
73 | static char *eld_connection_type_names[4] = { | |
74 | "HDMI", | |
75 | "Display Port", | |
76 | "2-reserved", | |
77 | "3-reserved" | |
78 | }; | |
79 | ||
80 | enum cea_audio_coding_types { | |
81 | AUDIO_CODING_TYPE_REF_STREAM_HEADER = 0, | |
82 | AUDIO_CODING_TYPE_LPCM = 1, | |
83 | AUDIO_CODING_TYPE_AC3 = 2, | |
84 | AUDIO_CODING_TYPE_MPEG1 = 3, | |
85 | AUDIO_CODING_TYPE_MP3 = 4, | |
86 | AUDIO_CODING_TYPE_MPEG2 = 5, | |
87 | AUDIO_CODING_TYPE_AACLC = 6, | |
88 | AUDIO_CODING_TYPE_DTS = 7, | |
89 | AUDIO_CODING_TYPE_ATRAC = 8, | |
90 | AUDIO_CODING_TYPE_SACD = 9, | |
91 | AUDIO_CODING_TYPE_EAC3 = 10, | |
92 | AUDIO_CODING_TYPE_DTS_HD = 11, | |
93 | AUDIO_CODING_TYPE_MLP = 12, | |
94 | AUDIO_CODING_TYPE_DST = 13, | |
95 | AUDIO_CODING_TYPE_WMAPRO = 14, | |
96 | AUDIO_CODING_TYPE_REF_CXT = 15, | |
97 | /* also include valid xtypes below */ | |
98 | AUDIO_CODING_TYPE_HE_AAC = 15, | |
99 | AUDIO_CODING_TYPE_HE_AAC2 = 16, | |
100 | AUDIO_CODING_TYPE_MPEG_SURROUND = 17, | |
101 | }; | |
102 | ||
103 | enum cea_audio_coding_xtypes { | |
104 | AUDIO_CODING_XTYPE_HE_REF_CT = 0, | |
105 | AUDIO_CODING_XTYPE_HE_AAC = 1, | |
106 | AUDIO_CODING_XTYPE_HE_AAC2 = 2, | |
107 | AUDIO_CODING_XTYPE_MPEG_SURROUND = 3, | |
108 | AUDIO_CODING_XTYPE_FIRST_RESERVED = 4, | |
109 | }; | |
110 | ||
111 | static char *cea_audio_coding_type_names[] = { | |
112 | /* 0 */ "undefined", | |
113 | /* 1 */ "LPCM", | |
114 | /* 2 */ "AC-3", | |
115 | /* 3 */ "MPEG1", | |
116 | /* 4 */ "MP3", | |
117 | /* 5 */ "MPEG2", | |
118 | /* 6 */ "AAC-LC", | |
119 | /* 7 */ "DTS", | |
120 | /* 8 */ "ATRAC", | |
06f69d17 | 121 | /* 9 */ "DSD (One Bit Audio)", |
7f4a9f43 WF |
122 | /* 10 */ "E-AC-3/DD+ (Dolby Digital Plus)", |
123 | /* 11 */ "DTS-HD", | |
124 | /* 12 */ "MLP (Dolby TrueHD)", | |
125 | /* 13 */ "DST", | |
126 | /* 14 */ "WMAPro", | |
127 | /* 15 */ "HE-AAC", | |
128 | /* 16 */ "HE-AACv2", | |
129 | /* 17 */ "MPEG Surround", | |
130 | }; | |
131 | ||
132 | /* | |
133 | * The following two lists are shared between | |
134 | * - HDMI audio InfoFrame (source to sink) | |
4e19c58f | 135 | * - CEA E-EDID Extension (sink to source) |
7f4a9f43 WF |
136 | */ |
137 | ||
138 | /* | |
139 | * SS1:SS0 index => sample size | |
140 | */ | |
141 | static int cea_sample_sizes[4] = { | |
142 | 0, /* 0: Refer to Stream Header */ | |
143 | AC_SUPPCM_BITS_16, /* 1: 16 bits */ | |
144 | AC_SUPPCM_BITS_20, /* 2: 20 bits */ | |
145 | AC_SUPPCM_BITS_24, /* 3: 24 bits */ | |
146 | }; | |
147 | ||
148 | /* | |
149 | * SF2:SF1:SF0 index => sampling frequency | |
150 | */ | |
151 | static int cea_sampling_frequencies[8] = { | |
152 | 0, /* 0: Refer to Stream Header */ | |
153 | SNDRV_PCM_RATE_32000, /* 1: 32000Hz */ | |
154 | SNDRV_PCM_RATE_44100, /* 2: 44100Hz */ | |
155 | SNDRV_PCM_RATE_48000, /* 3: 48000Hz */ | |
156 | SNDRV_PCM_RATE_88200, /* 4: 88200Hz */ | |
157 | SNDRV_PCM_RATE_96000, /* 5: 96000Hz */ | |
158 | SNDRV_PCM_RATE_176400, /* 6: 176400Hz */ | |
159 | SNDRV_PCM_RATE_192000, /* 7: 192000Hz */ | |
160 | }; | |
161 | ||
162 | static unsigned char hdmi_get_eld_byte(struct hda_codec *codec, hda_nid_t nid, | |
163 | int byte_index) | |
164 | { | |
165 | unsigned int val; | |
166 | ||
167 | val = snd_hda_codec_read(codec, nid, 0, | |
168 | AC_VERB_GET_HDMI_ELDD, byte_index); | |
169 | ||
170 | #ifdef BE_PARANOID | |
171 | printk(KERN_INFO "ELD data byte %d: 0x%x\n", byte_index, val); | |
172 | #endif | |
173 | ||
174 | if ((val & AC_ELDD_ELD_VALID) == 0) { | |
175 | snd_printd(KERN_INFO "Invalid ELD data byte %d\n", | |
176 | byte_index); | |
177 | val = 0; | |
178 | } | |
179 | ||
180 | return val & AC_ELDD_ELD_DATA; | |
181 | } | |
182 | ||
183 | #define GRAB_BITS(buf, byte, lowbit, bits) \ | |
184 | ({ \ | |
185 | BUILD_BUG_ON(lowbit > 7); \ | |
186 | BUILD_BUG_ON(bits > 8); \ | |
187 | BUILD_BUG_ON(bits <= 0); \ | |
188 | \ | |
189 | (buf[byte] >> (lowbit)) & ((1 << (bits)) - 1); \ | |
190 | }) | |
191 | ||
192 | static void hdmi_update_short_audio_desc(struct cea_sad *a, | |
193 | const unsigned char *buf) | |
194 | { | |
195 | int i; | |
196 | int val; | |
197 | ||
198 | val = GRAB_BITS(buf, 1, 0, 7); | |
199 | a->rates = 0; | |
200 | for (i = 0; i < 7; i++) | |
201 | if (val & (1 << i)) | |
202 | a->rates |= cea_sampling_frequencies[i + 1]; | |
203 | ||
204 | a->channels = GRAB_BITS(buf, 0, 0, 3); | |
205 | a->channels++; | |
206 | ||
207 | a->format = GRAB_BITS(buf, 0, 3, 4); | |
208 | switch (a->format) { | |
209 | case AUDIO_CODING_TYPE_REF_STREAM_HEADER: | |
210 | snd_printd(KERN_INFO | |
211 | "audio coding type 0 not expected in ELD\n"); | |
212 | break; | |
213 | ||
214 | case AUDIO_CODING_TYPE_LPCM: | |
215 | val = GRAB_BITS(buf, 2, 0, 3); | |
216 | a->sample_bits = 0; | |
217 | for (i = 0; i < 3; i++) | |
218 | if (val & (1 << i)) | |
219 | a->sample_bits |= cea_sample_sizes[i + 1]; | |
220 | break; | |
221 | ||
222 | case AUDIO_CODING_TYPE_AC3: | |
223 | case AUDIO_CODING_TYPE_MPEG1: | |
224 | case AUDIO_CODING_TYPE_MP3: | |
225 | case AUDIO_CODING_TYPE_MPEG2: | |
226 | case AUDIO_CODING_TYPE_AACLC: | |
227 | case AUDIO_CODING_TYPE_DTS: | |
228 | case AUDIO_CODING_TYPE_ATRAC: | |
229 | a->max_bitrate = GRAB_BITS(buf, 2, 0, 8); | |
230 | a->max_bitrate *= 8000; | |
231 | break; | |
232 | ||
233 | case AUDIO_CODING_TYPE_SACD: | |
234 | break; | |
235 | ||
236 | case AUDIO_CODING_TYPE_EAC3: | |
237 | break; | |
238 | ||
239 | case AUDIO_CODING_TYPE_DTS_HD: | |
240 | break; | |
241 | ||
242 | case AUDIO_CODING_TYPE_MLP: | |
243 | break; | |
244 | ||
245 | case AUDIO_CODING_TYPE_DST: | |
246 | break; | |
247 | ||
248 | case AUDIO_CODING_TYPE_WMAPRO: | |
249 | a->profile = GRAB_BITS(buf, 2, 0, 3); | |
250 | break; | |
251 | ||
252 | case AUDIO_CODING_TYPE_REF_CXT: | |
253 | a->format = GRAB_BITS(buf, 2, 3, 5); | |
254 | if (a->format == AUDIO_CODING_XTYPE_HE_REF_CT || | |
255 | a->format >= AUDIO_CODING_XTYPE_FIRST_RESERVED) { | |
256 | snd_printd(KERN_INFO | |
257 | "audio coding xtype %d not expected in ELD\n", | |
258 | a->format); | |
259 | a->format = 0; | |
260 | } else | |
261 | a->format += AUDIO_CODING_TYPE_HE_AAC - | |
262 | AUDIO_CODING_XTYPE_HE_AAC; | |
263 | break; | |
264 | } | |
265 | } | |
266 | ||
267 | /* | |
268 | * Be careful, ELD buf could be totally rubbish! | |
269 | */ | |
5b87ebb7 WF |
270 | static int hdmi_update_eld(struct hdmi_eld *e, |
271 | const unsigned char *buf, int size) | |
7f4a9f43 WF |
272 | { |
273 | int mnl; | |
274 | int i; | |
275 | ||
276 | e->eld_ver = GRAB_BITS(buf, 0, 3, 5); | |
277 | if (e->eld_ver != ELD_VER_CEA_861D && | |
278 | e->eld_ver != ELD_VER_PARTIAL) { | |
279 | snd_printd(KERN_INFO "Unknown ELD version %d\n", e->eld_ver); | |
280 | goto out_fail; | |
281 | } | |
282 | ||
283 | e->eld_size = size; | |
284 | e->baseline_len = GRAB_BITS(buf, 2, 0, 8); | |
285 | mnl = GRAB_BITS(buf, 4, 0, 5); | |
286 | e->cea_edid_ver = GRAB_BITS(buf, 4, 5, 3); | |
287 | ||
288 | e->support_hdcp = GRAB_BITS(buf, 5, 0, 1); | |
289 | e->support_ai = GRAB_BITS(buf, 5, 1, 1); | |
290 | e->conn_type = GRAB_BITS(buf, 5, 2, 2); | |
291 | e->sad_count = GRAB_BITS(buf, 5, 4, 4); | |
292 | ||
293 | e->aud_synch_delay = GRAB_BITS(buf, 6, 0, 8) * 2; | |
294 | e->spk_alloc = GRAB_BITS(buf, 7, 0, 7); | |
295 | ||
296 | e->port_id = get_unaligned_le64(buf + 8); | |
297 | ||
298 | /* not specified, but the spec's tendency is little endian */ | |
299 | e->manufacture_id = get_unaligned_le16(buf + 16); | |
300 | e->product_id = get_unaligned_le16(buf + 18); | |
301 | ||
302 | if (mnl > ELD_MAX_MNL) { | |
303 | snd_printd(KERN_INFO "MNL is reserved value %d\n", mnl); | |
304 | goto out_fail; | |
305 | } else if (ELD_FIXED_BYTES + mnl > size) { | |
306 | snd_printd(KERN_INFO "out of range MNL %d\n", mnl); | |
307 | goto out_fail; | |
308 | } else | |
309 | strlcpy(e->monitor_name, buf + ELD_FIXED_BYTES, mnl); | |
310 | ||
311 | for (i = 0; i < e->sad_count; i++) { | |
312 | if (ELD_FIXED_BYTES + mnl + 3 * (i + 1) > size) { | |
313 | snd_printd(KERN_INFO "out of range SAD %d\n", i); | |
314 | goto out_fail; | |
315 | } | |
316 | hdmi_update_short_audio_desc(e->sad + i, | |
317 | buf + ELD_FIXED_BYTES + mnl + 3 * i); | |
318 | } | |
319 | ||
320 | return 0; | |
321 | ||
322 | out_fail: | |
323 | e->eld_ver = 0; | |
324 | return -EINVAL; | |
325 | } | |
326 | ||
327 | static int hdmi_present_sense(struct hda_codec *codec, hda_nid_t nid) | |
328 | { | |
329 | return snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PIN_SENSE, 0); | |
330 | } | |
331 | ||
332 | static int hdmi_eld_valid(struct hda_codec *codec, hda_nid_t nid) | |
333 | { | |
334 | int eldv; | |
335 | int present; | |
336 | ||
337 | present = hdmi_present_sense(codec, nid); | |
338 | eldv = (present & AC_PINSENSE_ELDV); | |
339 | present = (present & AC_PINSENSE_PRESENCE); | |
340 | ||
341 | #ifdef CONFIG_SND_DEBUG_VERBOSE | |
342 | printk(KERN_INFO "pinp = %d, eldv = %d\n", !!present, !!eldv); | |
343 | #endif | |
344 | ||
345 | return eldv && present; | |
346 | } | |
347 | ||
348 | int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid) | |
349 | { | |
350 | return snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_HDMI_DIP_SIZE, | |
351 | AC_DIPSIZE_ELD_BUF); | |
352 | } | |
353 | ||
5b87ebb7 | 354 | int snd_hdmi_get_eld(struct hdmi_eld *eld, |
7f4a9f43 WF |
355 | struct hda_codec *codec, hda_nid_t nid) |
356 | { | |
357 | int i; | |
358 | int ret; | |
359 | int size; | |
360 | unsigned char *buf; | |
361 | ||
362 | if (!hdmi_eld_valid(codec, nid)) | |
363 | return -ENOENT; | |
364 | ||
365 | size = snd_hdmi_get_eld_size(codec, nid); | |
366 | if (size == 0) { | |
367 | /* wfg: workaround for ASUS P5E-VM HDMI board */ | |
368 | snd_printd(KERN_INFO "ELD buf size is 0, force 128\n"); | |
369 | size = 128; | |
370 | } | |
371 | if (size < ELD_FIXED_BYTES || size > PAGE_SIZE) { | |
372 | snd_printd(KERN_INFO "Invalid ELD buf size %d\n", size); | |
373 | return -ERANGE; | |
374 | } | |
375 | ||
376 | buf = kmalloc(size, GFP_KERNEL); | |
377 | if (!buf) | |
378 | return -ENOMEM; | |
379 | ||
380 | for (i = 0; i < size; i++) | |
381 | buf[i] = hdmi_get_eld_byte(codec, nid, i); | |
382 | ||
5b87ebb7 | 383 | ret = hdmi_update_eld(eld, buf, size); |
7f4a9f43 WF |
384 | |
385 | kfree(buf); | |
386 | return ret; | |
387 | } | |
388 | ||
389 | static void hdmi_show_short_audio_desc(struct cea_sad *a) | |
390 | { | |
391 | char buf[SND_PRINT_RATES_ADVISED_BUFSIZE]; | |
392 | ||
393 | printk(KERN_INFO "coding type: %s\n", | |
394 | cea_audio_coding_type_names[a->format]); | |
395 | printk(KERN_INFO "channels: %d\n", a->channels); | |
396 | ||
397 | snd_print_pcm_rates(a->rates, buf, sizeof(buf)); | |
06f69d17 | 398 | printk(KERN_INFO "sampling rates: %s\n", buf); |
7f4a9f43 WF |
399 | |
400 | if (a->format == AUDIO_CODING_TYPE_LPCM) | |
401 | printk(KERN_INFO "sample bits: 0x%x\n", a->sample_bits); | |
402 | ||
403 | if (a->max_bitrate) | |
404 | printk(KERN_INFO "max bitrate: %d\n", a->max_bitrate); | |
405 | ||
406 | if (a->profile) | |
407 | printk(KERN_INFO "profile: %d\n", a->profile); | |
408 | } | |
409 | ||
903b21d8 | 410 | void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen) |
7f4a9f43 WF |
411 | { |
412 | int i, j; | |
413 | ||
414 | for (i = 0, j = 0; i < ARRAY_SIZE(cea_speaker_allocation_names); i++) { | |
415 | if (spk_alloc & (1 << i)) | |
06f69d17 | 416 | j += snprintf(buf + j, buflen - j, " %s", |
7f4a9f43 WF |
417 | cea_speaker_allocation_names[i]); |
418 | } | |
7f4a9f43 WF |
419 | buf[j] = '\0'; /* necessary when j == 0 */ |
420 | } | |
421 | ||
5b87ebb7 | 422 | void snd_hdmi_show_eld(struct hdmi_eld *e) |
7f4a9f43 WF |
423 | { |
424 | int i; | |
903b21d8 | 425 | char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE]; |
7f4a9f43 WF |
426 | |
427 | printk(KERN_INFO "ELD buffer size is %d\n", e->eld_size); | |
428 | printk(KERN_INFO "ELD baseline len is %d*4\n", e->baseline_len); | |
429 | printk(KERN_INFO "vendor block len is %d\n", | |
430 | e->eld_size - e->baseline_len * 4 - 4); | |
431 | printk(KERN_INFO "ELD version is %s\n", | |
432 | eld_versoin_names[e->eld_ver]); | |
433 | printk(KERN_INFO "CEA EDID version is %s\n", | |
434 | cea_edid_version_names[e->cea_edid_ver]); | |
435 | printk(KERN_INFO "manufacture id is 0x%x\n", e->manufacture_id); | |
436 | printk(KERN_INFO "product id is 0x%x\n", e->product_id); | |
437 | printk(KERN_INFO "port id is 0x%llx\n", (long long)e->port_id); | |
438 | printk(KERN_INFO "HDCP support is %d\n", e->support_hdcp); | |
439 | printk(KERN_INFO "AI support is %d\n", e->support_ai); | |
440 | printk(KERN_INFO "SAD count is %d\n", e->sad_count); | |
441 | printk(KERN_INFO "audio sync delay is %x\n", e->aud_synch_delay); | |
442 | printk(KERN_INFO "connection type is %s\n", | |
443 | eld_connection_type_names[e->conn_type]); | |
444 | printk(KERN_INFO "monitor name is %s\n", e->monitor_name); | |
445 | ||
903b21d8 | 446 | snd_print_channel_allocation(e->spk_alloc, buf, sizeof(buf)); |
7f4a9f43 WF |
447 | printk(KERN_INFO "speaker allocations: (0x%x)%s\n", e->spk_alloc, buf); |
448 | ||
449 | for (i = 0; i < e->sad_count; i++) | |
450 | hdmi_show_short_audio_desc(e->sad + i); | |
451 | } | |
5f1e71b1 WF |
452 | |
453 | #ifdef CONFIG_PROC_FS | |
454 | ||
455 | static void hdmi_print_sad_info(int i, struct cea_sad *a, | |
456 | struct snd_info_buffer *buffer) | |
457 | { | |
458 | char buf[80]; | |
459 | ||
460 | snd_iprintf(buffer, "sad%d_coding_type\t[0x%x] %s\n", | |
461 | i, a->format, cea_audio_coding_type_names[a->format]); | |
462 | snd_iprintf(buffer, "sad%d_channels\t\t%d\n", i, a->channels); | |
463 | ||
464 | snd_print_pcm_rates(a->rates, buf, sizeof(buf)); | |
06f69d17 | 465 | snd_iprintf(buffer, "sad%d_rates\t\t[0x%x]%s\n", i, a->rates, buf); |
5f1e71b1 WF |
466 | |
467 | if (a->format == AUDIO_CODING_TYPE_LPCM) | |
06f69d17 | 468 | snd_iprintf(buffer, "sad%d_bits\t\t0x%x\n", |
5f1e71b1 WF |
469 | i, a->sample_bits); |
470 | ||
471 | if (a->max_bitrate) | |
472 | snd_iprintf(buffer, "sad%d_max_bitrate\t%d\n", | |
473 | i, a->max_bitrate); | |
474 | ||
475 | if (a->profile) | |
476 | snd_iprintf(buffer, "sad%d_profile\t\t%d\n", i, a->profile); | |
477 | } | |
478 | ||
479 | static void hdmi_print_eld_info(struct snd_info_entry *entry, | |
480 | struct snd_info_buffer *buffer) | |
481 | { | |
5b87ebb7 | 482 | struct hdmi_eld *e = entry->private_data; |
903b21d8 | 483 | char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE]; |
5f1e71b1 WF |
484 | int i; |
485 | ||
486 | snd_iprintf(buffer, "monitor name\t\t%s\n", e->monitor_name); | |
487 | snd_iprintf(buffer, "connection_type\t\t%s\n", | |
488 | eld_connection_type_names[e->conn_type]); | |
489 | snd_iprintf(buffer, "eld_version\t\t[0x%x] %s\n", e->eld_ver, | |
490 | eld_versoin_names[e->eld_ver]); | |
491 | snd_iprintf(buffer, "edid_version\t\t[0x%x] %s\n", e->cea_edid_ver, | |
492 | cea_edid_version_names[e->cea_edid_ver]); | |
493 | snd_iprintf(buffer, "manufacture_id\t\t0x%x\n", e->manufacture_id); | |
494 | snd_iprintf(buffer, "product_id\t\t0x%x\n", e->product_id); | |
495 | snd_iprintf(buffer, "port_id\t\t\t0x%llx\n", (long long)e->port_id); | |
496 | snd_iprintf(buffer, "support_hdcp\t\t%d\n", e->support_hdcp); | |
497 | snd_iprintf(buffer, "support_ai\t\t%d\n", e->support_ai); | |
498 | snd_iprintf(buffer, "audio_sync_delay\t%d\n", e->aud_synch_delay); | |
499 | ||
903b21d8 | 500 | snd_print_channel_allocation(e->spk_alloc, buf, sizeof(buf)); |
06f69d17 | 501 | snd_iprintf(buffer, "speakers\t\t[0x%x]%s\n", e->spk_alloc, buf); |
5f1e71b1 WF |
502 | |
503 | snd_iprintf(buffer, "sad_count\t\t%d\n", e->sad_count); | |
504 | ||
505 | for (i = 0; i < e->sad_count; i++) | |
506 | hdmi_print_sad_info(i, e->sad + i, buffer); | |
507 | } | |
508 | ||
5b87ebb7 | 509 | int snd_hda_eld_proc_new(struct hda_codec *codec, struct hdmi_eld *eld) |
5f1e71b1 WF |
510 | { |
511 | char name[32]; | |
512 | struct snd_info_entry *entry; | |
513 | int err; | |
514 | ||
515 | snprintf(name, sizeof(name), "eld#%d", codec->addr); | |
516 | err = snd_card_proc_new(codec->bus->card, name, &entry); | |
517 | if (err < 0) | |
518 | return err; | |
519 | ||
520 | snd_info_set_text_ops(entry, eld, hdmi_print_eld_info); | |
521 | return 0; | |
522 | } | |
523 | ||
524 | #endif |