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bhdm_edid.c

Last change on this file was 76, checked in by megakiss, 10 years ago
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1	/***************************************************************************
2	* Copyright (c) 2002-2012, Broadcom Corporation
3	* All Rights Reserved
4	* Confidential Property of Broadcom Corporation
5	*
6	* THIS SOFTWARE MAY ONLY BE USED SUBJECT TO AN EXECUTED SOFTWARE LICENSE
7	* AGREEMENT BETWEEN THE USER AND BROADCOM. YOU HAVE NO RIGHT TO USE OR
8	* EXPLOIT THIS MATERIAL EXCEPT SUBJECT TO THE TERMS OF SUCH AN AGREEMENT.
9	*
10	* $brcm_Workfile: bhdm_edid.c $
11	* $brcm_Revision: Hydra_Software_Devel/162 $
12	* $brcm_Date: 3/23/12 10:30a $
13	*
14	* Module Description:
15	*
16	* Revision History:
17	*
18	* $brcm_Log: /magnum/portinginterface/hdm/7038/bhdm_edid.c $
19	*
20	* Hydra_Software_Devel/162 3/23/12 10:30a rgreen
21	* SW7346-745: check scan width for all EDID versions to determine if
22	* detailed timing support is for 50 vs 60hz
23	*
24	* Hydra_Software_Devel/161 3/19/12 11:34a rgreen
25	* SW7425-2650: Fix memory leak in HDM PI; Delcare/store supported Video
26	* ID Codes in hdm handlle vs mallocing to build list each time
27	*
28	* Hydra_Software_Devel/160 3/14/12 1:22p rgreen
29	* SW7420-2277: Fix incorrectly reported 1080p 24 or 1080p 30 support from
30	* BHDM_EDID_GetVideoInfo function
31	*
32	* Hydra_Software_Devel/159 11/22/11 6:02p vle
33	* SW7425-1140: Merge to mainline. Remove all CEC functionality out of
34	* HDM PI.
35	*
36	* Hydra_Software_Devel/SW7425-1140/2 11/22/11 5:48p vle
37	* SW7425-1140: Add BHDM_CONFIG_CEC_LEGACY_SUPPORT for backward compatible
38	* for CEC legacy platforms.
39	*
40	* Hydra_Software_Devel/SW7425-1140/1 11/16/11 12:16p vle
41	* SW7425-1140: Remove all CEC functionalities out of HDM PI
42	*
43	* Hydra_Software_Devel/158 10/18/11 5:16p vle
44	* SW7125-1091: should not stop parsing DTD in EDID extension even if
45	* there's no NativeFormatDescriptors
46	*
47	* Hydra_Software_Devel/157 9/15/11 6:07p vle
48	* SW7420-2056: merge to mainline
49	*
50	* Hydra_Software_Devel/SW7420-2056/1 9/15/11 3:51p vle
51	* SW7420-2056: Fix incorrect Hdmi 3D formats support from parsing EDID
52	*
53	* Hydra_Software_Devel/156 6/24/11 5:11p rgreen
54	* SW7405-5358, SW7405-5312: always indicate 3D formats have been checked
55	* whenever HDMI VSDB is parsed
56	*
57	* Hydra_Software_Devel/155 6/17/11 5:36p vle
58	* SW7405-5318: Fix bug where variable was used before being populated.
59	*
60	* Hydra_Software_Devel/154 6/17/11 1:42p vle
61	* SW7405-5358, SW7405-5312: Separate 3D support from EDID parser to allow
62	* easier back port
63	*
64	* Hydra_Software_Devel/153 5/4/11 1:03p vle
65	* SW7405-5208: Merge to mainline
66	*
67	* Hydra_Software_Devel/SW7405-5208/1 4/5/11 6:48p vle
68	* SW7405-5208: Fix incorrect parsing of VSDB in some cases.
69	*
70	* Hydra_Software_Devel/152 1/7/11 3:54p vle
71	* SW7405-5076: merge to mainline
72	*
73	* Hydra_Software_Devel/SW7405-5076/1 1/4/11 4:48p vle
74	* SW7405-5076: Fix EDID parser when HDMI_3D_Present bit set to 0.
75	*
76	* Hydra_Software_Devel/150 10/14/10 5:34p rgreen
77	* SW7125-659: Indicate HDMI support only if VSDB has IEEE Registration ID
78	* 0x000C03. Clear RxVSDB in IsRxDeviceHdmi; Report 3d Formats for HDMI
79	* devices only Force Full Range RGB for supported Colorimetry for DVI
80	* formats
81	*
82	* Hydra_Software_Devel/149 9/3/10 4:08p vle
83	* SW7400-2868: Fix potential bug from previous implementation
84	*
85	* Hydra_Software_Devel/148 8/27/10 7:48p vle
86	* SW7400-2868: Fix potential EDID parser issue when parsing 3D supports
87	* on the first 16 video descriptor
88	*
89	* Hydra_Software_Devel/147 8/19/10 6:28p vle
90	* SW7335-815: Fix error passing bool by value instead of reference
91	*
92	* Hydra_Software_Devel/146 7/15/10 1:37p erickson
93	* SW7400-2855: init BCM_VideoFmt out param in BHDM_EDID_GetDetailTiming
94	* for error path
95	*
96	* Hydra_Software_Devel/145 6/22/10 6:57p vle
97	* SW7405-3994: Add support to parse all Shorthand and additional 3D
98	* Timing/Structure support indication in HDMI 1.4a
99	*
100	* Hydra_Software_Devel/144 6/7/10 7:16p vle
101	* SW7405-3994: Make sure no misleading error messages are printed for
102	* non-3D TV EDID.
103	*
104	* Hydra_Software_Devel/143 6/4/10 6:09p vle
105	* SW7405-3994: Merge to main branch
106	*
107	* Hydra_Software_Devel/SW7405-3994/2 6/4/10 2:37p vle
108	* SW7405-3994: Need to check monitor vertical range, not max vertical
109	* rate, for 50/60Hz support.
110	*
111	* Hydra_Software_Devel/SW7405-3994/1 5/14/10 6:12p vle
112	* SW7405-3994: Add support to check for supported 3D formats.
113	*
114	* Hydra_Software_Devel/142 5/27/10 11:37a vle
115	* SW7550-438: Fix Coverity issue.
116	*
117	* Hydra_Software_Devel/141 5/11/10 7:14p vle
118	* SW7405-3994: Add topAndBottom 3D Structure
119	*
120	* Hydra_Software_Devel/140 5/10/10 10:58a erickson
121	* SW7405-3994: fix compilation error
122	*
123	* Hydra_Software_Devel/139 5/7/10 5:45p rgreen
124	* SW7405-3994: Update EDID parsing for 3D structure
125	*
126	* Hydra_Software_Devel/138 4/23/10 10:43a vle
127	* SW7420-676: merge to main branch
128	*
129	* Hydra_Software_Devel/SW7420-676/2 4/22/10 4:54p vle
130	* SW7420-676: Fix incorrect programming in return size.
131	*
132	* Hydra_Software_Devel/SW7420-676/1 4/21/10 2:27p vle
133	* SW7420-676: Add API to return supported video info
134	*
135	* Hydra_Software_Devel/137 4/16/10 1:37p rgreen
136	* SW7405-3994: Fix overwriting of RxSupported features when parsing the
137	* VSDB
138	*
139	* Hydra_Software_Devel/136 4/5/10 10:12a rgreen
140	* SW7405-3994: Merge support for parsing HDMI 1.4 EDID VSDB
141	*
142	* Hydra_Software_Devel/SW7401-4363/3 3/5/10 4:11p rgreen
143	* JIRA:SW7405-3994: Update HDMI 1.4 parsing for 3D Structure fields in
144	* the VSDB
145	*
146	* Hydra_Software_Devel/SW7401-4363/2 3/1/10 7:23p rgreen
147	* SW7401-4363: Update the EDID parsing of the Vendor Specific Data Block
148	*
149	* Hydra_Software_Devel/SW7401-4363/1 3/1/10 3:35p rgreen
150	* SW7401-4363: Add Support to parse 3D information in the VSDB portion of the EDID
151	*
152	* Hydra_Software_Devel/135 3/1/10 11:32a rgreen
153	* SW7420-579: Rename DetailedTiming to SupportedDetailTiming to eliminate
154	* confusion when reading code
155	*
156	* Hydra_Software_Devel/134 2/26/10 5:18p vle
157	* SW7405-3016: Remove software i2c settings from HDM PI. This mode is
158	* configure in I2C module
159	*
160	* Hydra_Software_Devel/133 9/24/09 3:40p vle
161	* SW7405-2871: Reduce HDMI I2C failure retry count from 10 to 1 since
162	* each retry can wait up to 30seconds.
163	*
164	* Hydra_Software_Devel/132 9/23/09 11:15a vle
165	* SW7601-168: Fix mistake on merging changes from bdvd_v3.0 branch.
166	*
167	* Hydra_Software_Devel/131 9/22/09 1:37p vle
168	* SW7601-168: Merge in changes from bdvd_v3.0 branch.
169	*
170	* Hydra_Software_Devel/bdvd_v3.0/4 9/17/09 1:57p rbshah
171	* PR16614[DVD]:[ see HiDef-DVD bug tracking system for more info ]. Add
172	* missing check for 4x pixel repetition capability in the
173	* VSDB block parsing. This would prevent 480i,p or 576i,p from
174	* being detected if 1x or 2x repetition was not supported by
175	* the receiver.
176	*
177	* Reviewed by: Eric Trudeau
178	*
179	* Hydra_Software_Devel/bdvd_v3.0/3 9/17/09 10:25a rbshah
180	* PR16611[DVD]:[ see HiDef-DVD bug tracking system for more info ].
181	* Enhance EDID parsing of detailed timing descriptor so we can
182	* differentiate between 24Hz, 25/50Hz, and 30/60Hz refresh rates
183	* properly. This is really needed for v1/v2 CEA Extensions because
184	* explicit video codes are not used as they are in v3.
185	*
186	* Reviewed by: Eric Trudeau
187	*
188	* Hydra_Software_Devel/130 9/15/09 5:59p vle
189	* SW7601-168: Merge fixes from bdvd_v3.0 branch.
190	*
191	* Hydra_Software_Devel/bdvd_v3.0/2 9/2/09 3:31p rbshah
192	* PR16468[DVD]:[ see HiDef-DVD bug tracking system for more info ].
193	* Merged with the latest portinginterface/hdm and syslib/hdcplib files.
194	*
195	* Hydra_Software_Devel/bdvd_v2.0/11 6/29/09 11:19a rbshah
196	* PR_15307[DVD]:[ see HiDef-DVD bug tracking system for more info ]. Fix
197	* problem in parsing EDID Extension version 3. The Data Block collection
198	* was being dropped completely. Re-worked the logic so things are
199	* processed in order.
200	*
201	* Hydra_Software_Devel/129 9/1/09 3:51p vle
202	* SW7403-870: Fix build issues for 7403/7401.
203	*
204	* Hydra_Software_Devel/128 8/28/09 3:59p vle
205	* SW7403-870: 720p 25/30Hz are not supported by 7401/7403
206	*
207	* Hydra_Software_Devel/127 6/23/09 5:08p rgreen
208	* PR56323: Compile in debug EDID based on
209	* BHDM_CONFIG_DEBUG_EDID_PROCESSING only
210	*
211	* Hydra_Software_Devel/126 6/23/09 3:34p vle
212	* PR55934: Merge bdvd fixes into main branch.
213	*
214	* Hydra_Software_Devel/125 5/19/09 7:29p vle
215	* PR 55080: EDID parsing should not stop if an error was found in a
216	* detail timing block.
217	*
218	* Hydra_Software_Devel/124 5/15/09 4:58p rgreen
219	* PR54128: Update EDID processing to add DDP audio passthrough support
220	*
221	* Hydra_Software_Devel/123 5/6/09 1:57p vle
222	* PR 54882: Fix EDID parser bug in parsing Vendor Specific Data Block
223	* (VSDB)
224	*
225	* Hydra_Software_Devel/bdvd_v2.0/10 6/10/09 4:30p rbshah
226	* PR_14564[DVD]:[ see HiDef-DVD bug tracking system for more info ].
227	* Bring forward fix from v1.4 & Hydra into v2.* branches.
228	*
229	* Hydra_Software_Devel/bdvd_v2.0/9 6/8/09 12:44p rbshah
230	* PR_14946[DVD]:[ see HiDef-DVD bug tracking system for more info ]. Add
231	* missing code in the EDID parser to stash away the Product ID.
232	*
233	* Code reviewer: Ashish Koul.
234	*
235	* Hydra_Software_Devel/bdvd_v2.0/8 6/4/09 11:36a rbshah
236	* PR_14898[DVD]:[ see HiDef-DVD bug tracking system for more info ]. Fix
237	* EDID parsing logic so it doesn't pick up 25Hz, 30Hz, and 50Hz
238	* refresh rates unless these are explicitly indicated as being supported
239	* by the receiver. These rates were considered valid by the old code if
240	* the TV supported 24Hz (because they fell in the 24-60Hz range).
241	*
242	* Reviewed by: Eric Trudeau.
243	*
244	* Hydra_Software_Devel/bdvd_v2.0/7 5/5/09 4:07p rbshah
245	* PR_14433[DVD]:[ see HiDef-DVD bug tracking system for more info ]. Fix
246	* bug in parsing the Vendor Specific Data Block (VSDB). The size of
247	* this block wasn't being taken into account correctly all the time and
248	* a random byte was getting used to determine whether or not the TV
249	* supports Deep Color.
250	*
251	* Hydra_Software_Devel/122 3/23/09 7:30p vle
252	* PR52390:Merge to main branch
253	* PAL/576p format uses ITU_R_601 colorimetry.
254	*
255	* Hydra_Software_Devel/121 3/9/09 3:20p vle
256	* PR50570, PR50918, PR49277, PR49652, PR52873:
257	* Add API to mute/unmute audio, update pixel repitition support, add
258	* SetPixelDataOverride API for transmission of black video. Merge
259	* changes/updates from bdvd_v2.0 to main branch.
260	*
261	* Hydra_Software_Devel/PR52390/2 3/10/09 3:32p vle
262	* PR52390: 576p format also uses ITU_R_601 colorimetry.
263	*
264	* Hydra_Software_Devel/PR52390/1 3/4/09 8:29p vle
265	* PR52390: PAL formats uses ITU_R_601 colorimetry.
266	*
267	* Hydra_Software_Devel/120 2/27/09 8:56p vle
268	* PR52505: Fix non-const global data in HDM and HDCPLIB
269	*
270	* Hydra_Software_Devel/119 2/2/09 7:18p vle
271	* PR51682: Add BREG_I2C_ReadSwEDDC support for EDID read.
272	*
273	* Hydra_Software_Devel/bdvd_v2.0/2 1/30/09 1:04p rbshah
274	* PR_10346 [ see HiDef-DVD bug tracking system for more info ]. Fix bug
275	* in BHDM-EDID: get a false positive for pixel repetition on
276	* DVI monitors. This is in response to CSP 206270 (No HDCP event
277	* with DVI TV/Monitor).
278	*
279	* Also turned all BDBG_ERR and BDBG_WRN messages to BKNI_Prints in
280	* bdvd-hdmi for now.
281	*
282	* Hydra_Software_Devel/bdvd_v2.0/1 1/19/09 3:35p rbshah
283	* PR_12621 [ see HiDef-DVD bug tracking system for more info ].
284	* BHDM_EDID_CheckRxHdmiVideoSupport() was reading EDID over DDC even
285	* when
286	* there was a cached copy.
287	*
288	* Hydra_Software_Devel/118 12/23/08 7:57p vle
289	* PR50081, PR49866: Merge to main branch
290	* Add new API allowing application to get the device physical address
291	* even without CEC support.
292	* Add deep color support.
293	*
294	* Hydra_Software_Devel/PR50081/2 12/11/08 2:24p vle
295	* PR49866: Add new API allowing application to get the device physical
296	* address even without CEC support.
297	*
298	* Hydra_Software_Devel/PR50081/1 12/8/08 5:29p vle
299	* PR50081: add deep color support.
300	*
301	* Hydra_Software_Devel/117 10/30/08 5:51p vle
302	* PR47447: Merge to main branch.
303	* Add new GetReceivedMessage API. Use same CEC configuration for
304	* transmitter and receiver.
305	*
306	* Hydra_Software_Devel/116 10/24/08 5:56p vle
307	* PR 44535: Merge from bdvd v2.0 branch
308	*
309	* Hydra_Software_Devel/115 10/17/08 12:33p vle
310	* PR 47470: Check for the returned format pointer info. If a custom
311	* format is used, there is no information available from BFMT
312	*
313	* Hydra_Software_Devel/114 10/10/08 6:29p vle
314	* PR 47470: Update to fix build issues with older, legacy platforms.
315	*
316	* Hydra_Software_Devel/113 10/8/08 6:29p vle
317	* PR 47470: Check for the returned format pointer info. If a custom
318	* format is used, there is no information available from BFMT
319	*
320	* Hydra_Software_Devel/PR47447/1 9/30/08 7:04p vle
321	* PR47447: Add new GetReceivedMessage API. Use same CEC configuration for
322	* transmitter and receiver.
323	*
324	* Hydra_Software_Devel/112 9/23/08 4:56p rgreen
325	* PR47281: Enable WMA Support
326	*
327	* Hydra_Software_Devel/111 7/9/08 3:31p vishk
328	* PR 43983: KLOCWORK: bhdm_edid.c, buffer overflow.
329	*
330	* Hydra_Software_Devel/110 7/7/08 5:52p vle
331	* PR44482, PR43424: set default device (HDMI vs DVI) and colorimetry when
332	* no EDID found.
333	*
334	* Hydra_Software_Devel/109 6/6/08 6:24p vle
335	* PR 43424: Do not ignore EDID Checksum error.
336	*
337	* Hydra_Software_Devel/108 4/15/08 2:37p vishk
338	* PR 41193: BHDM_EDID_DumpRawEDID can't dump all blocks when there is
339	* blockmap in EDID
340	*
341	* Hydra_Software_Devel/107 4/12/08 5:08p vishk
342	* PR 41193: BHDM_EDID_DumpRawEDID can't dump all blocks when there is
343	* blockmap in EDID
344	*
345	* Hydra_Software_Devel/106 4/2/08 10:18a mward
346	* PR40681: null version of BHDM_EDID_P_PrintEdid(),
347	* BHDM_EDID_DumpRawEDID() for DEBUG=n.
348	*
349	* Hydra_Software_Devel/105 3/27/08 4:22p vishk
350	* PR 40681: Added support to parse extended EDID.
351	*
352	* Hydra_Software_Devel/104 3/27/08 11:24a vishk
353	* PR 40681: Added support to parse extended EDID.
354	*
355	* Hydra_Software_Devel/103 3/18/08 2:34p rgreen
356	* PR39705: Support reading CEA Timing Extenstion V4 as V3
357	*
358	* Hydra_Software_Devel/102 3/13/08 4:44p rgreen
359	* PR39988: Fix compilation error for 7401,7038
360	*
361	* Hydra_Software_Devel/101 2/27/08 2:16p rgreen
362	* PR40063,PR24461: Support parsing DVI V3 Timing Extensions
363	* Specify HDMI Audio Support only VSDB Audio Bit is set
364	*
365	* Hydra_Software_Devel/100 2/11/08 11:56a rgreen
366	* PR39232: Merge changes
367	*
368	* Hydra_Software_Devel/bdvd_v10/4 2/7/08 12:53p rbshah
369	* PR_7515 [ Use latest hdm and hdmlib porting interfaces (for HDCP
370	* related fixes) ].
371	*
372	* Hydra_Software_Devel/bdvd_v10/3 2/1/08 11:13a mpeteri
373	* PR_7394 [ Export setting required to choose between reencode or pcm ].
374	* Fixes for PR7394 and PR6652 - this checkin is built upon 1/31 RAP
375	* label and requires that the RAP label be below v10 latest rule in the
376	* config spec. An updated config spec will be sent out to demonstrate
377	* this requirement. NOTE this is temporary and will go back to normal
378	* when RAP label picks up the branched changes.
379	* RAP label to use - RAP_7440_FW_Phase2D_20080131
380	*
381	* Hydra_Software_Devel/99 1/28/08 2:39p vle
382	* PR 26877: Force to alternate preferred format when DVI 1360x768p 60Hz
383	* or DVI 1366x768p 60Hz is detected.
384	*
385	* Hydra_Software_Devel/98 1/22/08 7:02p rgreen
386	* PR38489: Force supported formats to remember the highest number of
387	* supported audio channels. Add additional debug messages for Sample
388	* Rate.
389	*
390	* Hydra_Software_Devel/97 11/9/07 4:48p mward
391	* PR36915: Eliminate compiler warning for DEBUG=n.
392	*
393	* Hydra_Software_Devel/96 10/9/07 6:43p rgreen
394	* PR35740: fix C99 declaration compilation error for xvd_vdc_test
395	*
396	* Hydra_Software_Devel/95 10/9/07 4:21p vle
397	* PR 35085: HDM-Coverity (CID 371): NO_EFFECT. Fix coverity issue for
398	* comparing array against NULL
399	*
400	* Hydra_Software_Devel/94 10/4/07 1:30p rgreen
401	* PR35740: Add support to parse new audio formats in CEA861C and 861D.
402	* Update debug messages
403	*
404	* Hydra_Software_Devel/93 10/2/07 11:22a vle
405	* PR 35085: Fix coverity issue for comparing array against NULL
406	*
407	* Hydra_Software_Devel/92 9/24/07 6:25p rgreen
408	* PR35326: Check/report for 1080p 60Hz support based on platform
409	*
410	* Hydra_Software_Devel/91 9/18/07 5:33p rgreen
411	* PR27746,PR31853:
412	* fix debug bug to print last line of Raw EDID dump
413	* fix bug to correctly interpret the number of bytes in the Vendor
414	* Specific DB
415	* Display HDMI 1.3 EDID Info only when it exists
416	*
417	* Hydra_Software_Devel/90 8/23/07 4:56p vle
418	* PR 34249: Check BCM supported format for 24, 25, and 30Hz formats.
419	*
420	* Hydra_Software_Devel/89 8/3/07 4:17p vle
421	* PR 33783: Fix incorrectly stored audio sampling size in the audio
422	* descriptor (3rd byte)
423	*
424	* Hydra_Software_Devel/88 8/1/07 8:04p vle
425	* PR 33721: VGA format (640x480p) should be supported by all HDMI
426	* receivers.
427	*
428	* Hydra_Software_Devel/87 7/19/07 7:57p vle
429	* PR 28667: Verify buffer size before memcpy
430	*
431	* Hydra_Software_Devel/86 6/6/07 3:29p vle
432	* PR 31853: Update array range of EDID data array
433	*
434	* Hydra_Software_Devel/85 5/24/07 12:15p vle
435	* PR 31570: Add capability to parse CEA Colorimetry Data Block
436	*
437	* Hydra_Software_Devel/84 5/14/07 2:02p vle
438	* PR 30730: Modify EDID parser to parse all EDID blocks including those
439	* V3 Timing Extension blocks
440	*
441	* Hydra_Software_Devel/83 2/15/07 2:47p vle
442	* PR 27746: Added Support to EDID parser to process VSDB fields contained
443	* in HDMI 1.3
444	*
445	* Hydra_Software_Devel/82 2/8/07 12:16p rgreen
446	* PR27746: Add 3563 EDID for debugging EDIDs containing HDMI 1.3 support
447	*
448	* Hydra_Software_Devel/81 1/29/07 6:52p vle
449	* PR 26912: Ensure a valid supported video format is returned for
450	* corrupted or badly formed EDID.
451	*
452	* Hydra_Software_Devel/80 1/17/07 8:07p vle
453	* PR 20872: Abort parsing invalid EDID info and check for validation of
454	* EDID before accessing EDID info.
455	*
456	* Hydra_Software_Devel/79 1/11/07 6:36p vle
457	* PR 26877:
458	* Force to alternate preferred format when 1366x768 is detected.
459	* Added Dummy descriptor tag.
460	*
461	* Hydra_Software_Devel/78 12/21/06 2:59p rgreen
462	* PR26531: Should use #if instead of #ifdef for compile flag
463	* BDBG_DEBUG_BUILD
464	*
465	* Hydra_Software_Devel/77 10/20/06 11:28a rgreen
466	* PR20526: Fix release code warning
467	*
468	* Hydra_Software_Devel/76 10/2/06 7:29p rgreen
469	* PR24461: Always report PCM Audio Support for HDMI Rx
470	*
471	* Hydra_Software_Devel/75 9/20/06 9:53p rgreen
472	* PR24304: Clean up debug output for EDID dump. Fix mislabeled vertical
473	* parameters (lines vs pixels)
474	*
475	* Hydra_Software_Devel/74 9/14/06 8:01p rgreen
476	* PR24291: Do not check for 1080p 60Hz Support
477	*
478	* Hydra_Software_Devel/73 7/13/06 11:26a rgreen
479	* PR22588: Copy additional fields to Basic EDID data structure: Vendor
480	* ID, Manufacturer week/year, feature support, and Serial Number
481	*
482	* Hydra_Software_Devel/72 6/22/06 2:34p rgreen
483	* PR22104: Add BHDM_EDID_GetSupportedColorimetry function to return
484	* preferred and supported format. Use instead of BHDM_GetColorimetry
485	*
486	* Hydra_Software_Devel/71 6/12/06 5:14p rgreen
487	* PR22104: Force HDMI RGB when YCrCb not supported; Update BHDM_EDID
488	* debug messages
489	*
490	* Hydra_Software_Devel/70 5/26/06 4:16p rgreen
491	* PR21621: enhance audio format debug messages to show format names vs
492	* codes
493	*
494	* Hydra_Software_Devel/69 5/10/06 9:57a rgreen
495	* PR21039: Use magnum naming conventions for macros BHDM_CEC_SUPPORT vs
496	* HDMI_CEC_SUPPORT
497	*
498	* Hydra_Software_Devel/68 5/2/06 6:33p rgreen
499	* PR21039: Update macros to magnum naming conventions. Fix CEC support
500	* and DVO support macros
501	*
502	* Hydra_Software_Devel/67 4/21/06 4:23p rgreen
503	* PR20871: Fix HDMI EDID Parsing for 1080p formats (various Hz)
504	* Add debug mode for checking EDIDs
505	*
506	* Hydra_Software_Devel/66 4/7/06 5:50p rgreen
507	* PR20721: Copy Cached EDID Block for return in BHDM_EDID_GetNthBlock
508	*
509	* Hydra_Software_Devel/65 3/23/06 7:55p rgreen
510	* PR20327:
511	* Add 7438 Compilation Support
512	*
513	* Add new compilation configuration macros to remove BCHP_XXX references
514	* from source files
515	* BHDM_CONFIG_DVO_7038BX_VERSION compilation macro
516	* BHDM_CONFIG_88_2__176_4__192_SAMPLE_RATES
517	*
518	* Hydra_Software_Devel/64 2/28/06 3:30p rgreen
519	* PR18147: Add support for HDMI 1080p/30 Hz
520	*
521	* Hydra_Software_Devel/63 2/8/06 5:00p rgreen
522	* PR8896: Fix compilation warnings.
523	*
524	* Hydra_Software_Devel/62 2/3/06 4:08p rgreen
525	* PR17778: Account for new frequencies for PC formats
526	*
527	* Hydra_Software_Devel/61 2/2/06 5:22p rgreen
528	* PR19283,PR8896: Copy physical address to hdmi handle
529	* Add debug info for PC formats used when searching EDIDs
530	*
531	* Hydra_Software_Devel/60 1/10/06 12:11p rgreen
532	* PR16966: Fix compilation warning
533	*
534	* Hydra_Software_Devel/59 1/9/06 3:19p rgreen
535	* PR 18790: Update HDM with C3 defines using new version method
536	* PR 18394: Fix PC format found table for 1024x768 and 800x600
537	*
538	* Hydra_Software_Devel/58 12/5/05 10:37a rgreen
539	* PR18394: HDMI connection fails with Sagem HD-L32 TV (PAL) monitor.
540	* Indicate supported video formats have been checked if a) Detail Timing
541	* is found, b) Established Timing is found, or c) CEA Version 3 Video
542	* Block is found
543	*
544	* Hydra_Software_Devel/57 11/29/05 2:38p rgreen
545	* PR16966: Fix "if" comparison when checking for video formats
546	*
547	* Hydra_Software_Devel/56 9/23/05 4:59p rgreen
548	* PR17297: Relax EDID checking;
549	*
550	* Hydra_Software_Devel/55 9/14/05 6:33p rgreen
551	* PR16538,PR12828: Prevent failure of bdisplay_set when display format
552	* not supported by attached DVI/HDMI monitor.
553	*
554	* Implement HDMI AvMute in SettopAPI
555	*
556	* Hydra_Software_Devel/54 9/1/05 5:34p rgreen
557	* PR16966: Relax EDID checking; fixes problems with EDIDs specified with
558	* 50Hz formats and monitor vertical ranges of 59-61
559	*
560	***************************************************************************/
561	#include "breg_endian.h"
562
563	#include "bhdm.h"
564	#include "bhdm_edid.h"
565	#include "bhdm_priv.h"
566	#include "bavc.h"
567
568	#if BHDM_CONFIG_HDMI_3D_SUPPORT
569	#include "bhdm_edid_3d.h"
570	#endif
571
572
573	/=********************* Module Overview ******************************
574	The EDID (Enhanced Display Identification Data) functions provide support
575	for reading/interpretting the EDID prom contained in the DVI/HDMI Receiver.
576
577	The PROM has an I2C address of 0xA0. These functions support the Enhanced
578	DDC protocol as needed.
579	***************************************************************************/
580
581
582	BDBG_MODULE(BHDM_EDID) ;
583
584
585	#define BHDM_CHECK_RC( rc, func ) \
586	do \
587	{ \
588	if( (rc = BERR_TRACE(func)) != BERR_SUCCESS ) \
589	{ \
590	goto done; \
591	} \
592	} while(0)
593
594
595
596	/******************************************************************************
597	Summary:
598	Enumeration containing Audio Formats specified in CEA Short Audio Descriptors
599	*******************************************************************************/
600	typedef enum BHDM_EDID_P_AudioFormat
601	{
602	BHDM_EDID_P_AudioFormat_eReserved,
603	BHDM_EDID_P_AudioFormat_ePCM,
604	BHDM_EDID_P_AudioFormat_eAC3,
605	BHDM_EDID_P_AudioFormat_eMPEG1,
606	BHDM_EDID_P_AudioFormat_eMP3,
607	BHDM_EDID_P_AudioFormat_eMPEG2,
608	BHDM_EDID_P_AudioFormat_eAAC,
609	BHDM_EDID_P_AudioFormat_eDTS,
610	BHDM_EDID_P_AudioFormat_eATRAC,
611	BHDM_EDID_P_AudioFormat_eOneBit,
612	BHDM_EDID_P_AudioFormat_eDDPlus,
613	BHDM_EDID_P_AudioFormat_eDTSHD,
614	BHDM_EDID_P_AudioFormat_eMATMLP,
615	BHDM_EDID_P_AudioFormat_eDST,
616	BHDM_EDID_P_AudioFormat_eWMAPro,
617	BHDM_EDID_P_AudioFormat_eMaxCount
618	} BHDM_EDID_P_AudioFormat ;
619
620
621
622	/******************************************************************************
623	Summary:
624	Enumeration containing Sample Rates specified in CEA Short Audio Descriptors
625	*******************************************************************************/
626	typedef enum BHDM_EDID_P_AudioSampleRate
627	{
628	BHDM_EDID_P_AudioSampleRate_e32KHz = 1,
629	BHDM_EDID_P_AudioSampleRate_e44KHz = 2,
630	BHDM_EDID_P_AudioSampleRate_e48KHz = 4,
631	BHDM_EDID_P_AudioSampleRate_e88KHz = 8,
632	BHDM_EDID_P_AudioSampleRate_e96KHz = 16,
633	BHDM_EDID_P_AudioSampleRate_e176KHz = 32,
634	BHDM_EDID_P_AudioSampleRate_e192KHz = 64
635	} BHDM_EDID_P_AudioSampleRate;
636
637
638
639	typedef struct _BHDM_EDID_P_CEA_861B_VIDEO_FORMAT_
640	{
641	uint8_t CeaVideoCode ; /* Short Descriptor */
642	uint16_t HorizontalPixels ; /* Horiz Active Pixels */
643	uint16_t VerticalPixels ; /* Vertical Active Pixels */
644	BAVC_ScanType eScanType ; /* Progressive, Interlaced */
645	BAVC_FrameRateCode eFrameRateCode ; /* Vertical Frequency */
646	BFMT_AspectRatio eAspectRatio ; /* Horiz to Vertical Ratio */
647	} BHDM_EDID_P_CEA_861B_VIDEO_FORMAT ;
648
649
650	const BHDM_EDID_P_CEA_861B_VIDEO_FORMAT BHDM_EDID_P_Cea861bFormats[] =
651	{
652	/* Video Horizontal Vertical */
653	/* Codes (pixels) (pixels) i/p Vertical Freq Aspect Ratio Remark */
654
655	{ 1, 640, 480, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e59_94, BFMT_AspectRatio_e4_3}, /* Default format */
656	{ 2, 720, 480, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e59_94, BFMT_AspectRatio_e4_3}, /* EDTV */
657	{ 3, 720, 480, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e59_94, BFMT_AspectRatio_e16_9}, /* EDTV */
658	{ 4, 1280, 720, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e59_94, BFMT_AspectRatio_e16_9}, /* HDTV */
659	{ 5, 1920, 1080, BAVC_ScanType_eInterlaced, BAVC_FrameRateCode_e59_94, BFMT_AspectRatio_e16_9}, /* HDTV */
660	{ 6, /720/1440, 480, BAVC_ScanType_eInterlaced, BAVC_FrameRateCode_e59_94, BFMT_AspectRatio_e4_3}, /* Optional Double clock for 720x480i */
661	{ 7, /720/1440, 480, BAVC_ScanType_eInterlaced, BAVC_FrameRateCode_e59_94, BFMT_AspectRatio_e16_9}, /* Optional Double clock for 720x480i */
662	{10, 2880, 480, BAVC_ScanType_eInterlaced, BAVC_FrameRateCode_e59_94, BFMT_AspectRatio_e4_3}, /* Game Console */
663	{11, 2880, 480, BAVC_ScanType_eInterlaced, BAVC_FrameRateCode_e59_94, BFMT_AspectRatio_e16_9}, /* Game Console */
664	{14, 1440, 480, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e59_94, BFMT_AspectRatio_e4_3}, /* high-end DVD */
665	{15, 1440, 480, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e59_94, BFMT_AspectRatio_e16_9}, /* high-end DVD */
666	{16, 1920, 1080, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e59_94, BFMT_AspectRatio_e16_9}, /* Optional HDTV */
667
668	{17, 720, 576, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e50, BFMT_AspectRatio_e4_3}, /* EDTV */
669	{18, 720, 576, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e50, BFMT_AspectRatio_e16_9}, /* EDTV */
670	{19, 1280, 720, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e50, BFMT_AspectRatio_e16_9}, /* HDTV */
671	{20, 1920, 1080, BAVC_ScanType_eInterlaced, BAVC_FrameRateCode_e50, BFMT_AspectRatio_e16_9}, /* HDTV */
672	{21, /720/1440, 576, BAVC_ScanType_eInterlaced, BAVC_FrameRateCode_e50, BFMT_AspectRatio_e4_3}, /* Optional Double clock for 720x576i */
673	{22, /720/1440, 576, BAVC_ScanType_eInterlaced, BAVC_FrameRateCode_e50, BFMT_AspectRatio_e16_9}, /* Optional Double clock for 720x576i */
674	{25, 2880, 576, BAVC_ScanType_eInterlaced, BAVC_FrameRateCode_e50, BFMT_AspectRatio_e4_3}, /* Game Console */
675	{26, 2880, 576, BAVC_ScanType_eInterlaced, BAVC_FrameRateCode_e50, BFMT_AspectRatio_e16_9}, /* Game Console */
676	{29, 1440, 576, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e50, BFMT_AspectRatio_e4_3}, /* high-end DVD */
677	{30, 1440, 576, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e50, BFMT_AspectRatio_e16_9}, /* high-end DVD */
678	{31, 1920, 1080, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e50, BFMT_AspectRatio_e16_9}, /* Optional HDTV */
679
680	{32, 1920, 1080, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e23_976, BFMT_AspectRatio_e16_9}, /* Optional HDTV */
681	{33, 1920, 1080, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e25, BFMT_AspectRatio_e16_9}, /* Optional HDTV */
682	{34, 1920, 1080, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e30, BFMT_AspectRatio_e16_9}, /* Optional HDTV */
683	{35, 2880, 480, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e59_94, BFMT_AspectRatio_e4_3}, /* 4x Pixel Rep */
684	{36, 2880, 480, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e59_94, BFMT_AspectRatio_e16_9}, /* 4x Pixel Rep */
685	{37, 2880, 576, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e50, BFMT_AspectRatio_e4_3}, /* 4x Pixel Rep */
686	{38, 2880, 576, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e50, BFMT_AspectRatio_e16_9}, /* 4x Pixel Rep */
687
688	#ifdef UNSUPPORTED
689	{ 8, 720(1440), 240, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e59_94, BFMT_AspectRatio_e4_3}, /* Double clock for 720x240p */
690	{ 9, 720(1440), 240, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e59_94, BFMT_AspectRatio_e16_9}, /* Double clock for 720x240p */
691	{12, (2880), 240, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e59_94, BFMT_AspectRatio_e4_3}, /* Game Console */
692	{13, (2880), 240, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e59_94, BFMT_AspectRatio_e16_9}, /* Game Console */
693	{23, 720(1440), 288, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e50, BFMT_AspectRatio_e4_3}, /* Double clock for 720x288p */
694	{24, 720(1440), 288, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e50, BFMT_AspectRatio_e16_9}, /* Double clock for 720x288p */
695	{27, (2880), 288, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e50, BFMT_AspectRatio_e4_3}, /* Game Console */
696	{28, (2880), 288, BAVC_ScanType_eProgressive, BAVC_FrameRateCode_e50, BFMT_AspectRatio_e16_9}, /* Game Console */
697	#endif
698
699	/* 0 No Video Code Available (Used with AVI InfoFrame only) */
700	/* {35,-127 Reserved for the Future */
701	} ;
702
703
704	typedef struct _BHDM_EDID_P_ALT_PREFERRED_VIDEOFMT
705	{
706	BFMT_VideoFmt format;
707	char *formattext;
708	}BHDM_EDID_P_ALT_PREFERRED_VIDEOFMT;
709
710	const BHDM_EDID_P_ALT_PREFERRED_VIDEOFMT BHDM_EDID_P_AltPreferredFormats[] = {
711	{BFMT_VideoFmt_e720p, "BFMT_VideoFmt_e720p"},
712	{BFMT_VideoFmt_e1080i, "BFMT_VideoFmt_e1080i"},
713	{BFMT_VideoFmt_e480p, "BFMT_VideoFmt_e480p"},
714	{BFMT_VideoFmt_eNTSC, "BFMT_VideoFmt_eNTSC"},
715	{BFMT_VideoFmt_eDVI_1024x768p, "BFMT_VideoFmt_eDVI_1024x768p"},
716	{BFMT_VideoFmt_eDVI_640x480p, "BFMT_VideoFmt_eDVI_640x480p"}
717	};
718
719	#define BHDM_EDID_P_ALT_PREFERRED_VIDEOFMT_MAX \
720	(sizeof(BHDM_EDID_P_AltPreferredFormats) / sizeof(BHDM_EDID_P_ALT_PREFERRED_VIDEOFMT))
721
722	#if BDBG_DEBUG_BUILD
723	static const char Mode[3] = "pi" ; /* 1080i 480P etc. for debug msg only */
724	#endif
725
726	#define BHDM_EDID_P_BCM_VIDEO_FORMATS_MAX \
727	(sizeof(BHDM_EDID_P_Cea861bFormats) / sizeof(BHDM_EDID_P_CEA_861B_VIDEO_FORMAT))
728
729
730	static uint8_t BHDM_EDID_P_EdidCheckSum(uint8_t *pEDID) ;
731
732
733	static BERR_Code BHDM_EDID_P_ParseVideoDB(
734	BHDM_Handle hHDMI, /* [in] HDMI handle */
735	uint8_t DataBlockIndex, /* [in] start offset of Video Data Block */
736	uint8_t DataBlockLength /* [in] length (number) of Video ID codes */
737	) ;
738
739	static BERR_Code BHDM_EDID_P_ParseAudioDB(
740	BHDM_Handle hHDMI, /* [in] HDMI handle */
741	uint8_t DataBlockIndex, /* [in] start offset of Video Data Block */
742	uint8_t DataBlockLength /* [in] length (number) of Video ID codes */
743	) ;
744
745	static BERR_Code BHDM_EDID_P_ParseEstablishedTimingFormats(
746	BHDM_Handle hHDMI) ; /* [in] HDMI handle */
747
748	static BERR_Code BHDM_EDID_P_ParseV1V2TimingExtension(BHDM_Handle hHDMI) ;
749
750	static BERR_Code BHDM_EDID_P_ParseV3TimingExtension(BHDM_Handle hHDMI);
751
752	static BERR_Code BHDM_EDID_P_GetVerticalFrequency(
753	uint32_t ulVertFreqMask, /* [in] Vertical Frequency Mask (bfmt) */
754	uint16_t uiVerticalFrequency) ; / [out] Vertical Frequency value */
755
756	static BERR_Code BHDM_EDID_P_GetMonitorRange(
757	BHDM_Handle hHDMI, uint8_t offset) ;
758
759	static BERR_Code BHDM_EDID_P_DetailTiming2VideoFmt(
760	BHDM_Handle hHDMI,
761	BHDM_EDID_DetailTiming *pBHDM_EDID_DetailTiming,
762	BFMT_VideoFmt *Detail_VideoFmt) ;
763
764
765	#if BDBG_DEBUG_BUILD
766	static void BHDM_EDID_P_PrintEdid(uint8_t *pEDID) ;
767
768
769	static int _strlen(const char *s) {
770	int i=0;
771	while (*s++) i++;
772	return i;
773	}
774
775	static const char *CeaTagName[] =
776	{
777	"Reserved0 ",
778	"Audio DB",
779	"Video DB",
780	"VendorSp DB",
781	"Speaker DB",
782	"Reserved5 ",
783	"Reserved6 ",
784	"Extended DB"
785	} ;
786
787	static const char *g_status[] = {"No", "Yes"} ;
788
789	static const unsigned char EDIDByPassedText[] = "BYPASSED EDID" ;
790
791	#endif
792
793	#define BHDM_EDID_USE_DEBUG_EDID 0
794
795	#if BHDM_EDID_USE_DEBUG_EDID
796	#undef BHDM_CONFIG_DEBUG_EDID_PROCESSING
797	#define BHDM_CONFIG_DEBUG_EDID_PROCESSING 1
798	#endif
799
800	#if BHDM_CONFIG_DEBUG_EDID_PROCESSING
801	/*
802	the following EDID can be used to debug any Rx EDID that a BCMxxxx chip may have problems parsing.
803	a copy of the EDID must first be obtained from the Receiever and copied here;
804	Use BHDM_EDID_DumpRawEDID to get a copy of the EDID
805
806	NOTE: This following EDID is used for DEBUGGING ONLY! i.e. debugging the parsing of an EDID which
807	you may not have the HDMI Rx. Presumeably the EDID was provided by the user with the TV.
808
809	*/
810
811	#if 1
812	uint8_t DebugRxEdid[] = /* BCM97403 Extended-EDID test blocks*/
813	{
814	0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x08, 0x6D, 0x48, 0x56, 0xA0, 0xA0, 0xA0, 0xA0,
815	0x14, 0x14, 0x01, 0x03, 0x81, 0x5D, 0x34, 0x78, 0x0A, 0x55, 0x50, 0xA7, 0x55, 0x46, 0x99, 0x24,
816	0x12, 0x49, 0x4B, 0x21, 0x08, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
817	0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0xE4, 0x57, 0x80, 0x18, 0x71, 0x38, 0x2D, 0x40, 0x58, 0x2C,
818	0x45, 0x00, 0xA2, 0x08, 0x32, 0x00, 0x00, 0x1E, 0xC0, 0x2B, 0x00, 0x72, 0x51, 0xD0, 0x1E, 0x20,
819	0x6E, 0x28, 0x55, 0x00, 0xA2, 0x08, 0x32, 0x00, 0x00, 0x1E, 0x00, 0x00, 0x00, 0xFC, 0x00, 0x42,
820	0x43, 0x4D, 0x33, 0x35, 0x34, 0x38, 0x5F, 0x35, 0x36, 0x20, 0x33, 0x44, 0x00, 0x00, 0x00, 0xFD,
821	0x00, 0x32, 0x4B, 0x0F, 0x50, 0x17, 0x00, 0x0A, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x01, 0x25,
822
823	0x02, 0x03, 0x3D, 0x71, 0x78, 0x03, 0x0C, 0x00, 0x10, 0x00, 0xB8, 0x2D, 0x20, 0xC0, 0x0E, 0x01,
824	0x01, 0x0F, 0x3F, 0x08, 0x00, 0x20, 0x40, 0x56, 0x16, 0x90, 0x88, 0x00, 0xE6, 0x52, 0x05, 0x04,
825	0x40, 0x02, 0x22, 0x20, 0x21, 0x1F, 0x13, 0x11, 0x14, 0x18, 0x15, 0x16, 0x1A, 0x07, 0x06, 0x01,
826	0x29, 0x09, 0x07, 0x07, 0x15, 0x50, 0xFF, 0x19, 0x50, 0xFF, 0x82, 0x01, 0x00, 0xE4, 0x57, 0x80,
827	0x18, 0x71, 0x38, 0x2D, 0x40, 0x58, 0x2C, 0x45, 0x00, 0x13, 0x8E, 0x21, 0x00, 0x00, 0x1E, 0x00,
828	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
829	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
830	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xDE
831	} ;
832
833
834	#else
835	uint8_t DebugRxEdid[] = /* BCM93563 EDID */
836	{
837
838	0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x08, 0x6D, 0x63, 0x35, 0x01, 0x01, 0x01, 0x01,
839	0x14, 0x11, 0x01, 0x03, 0x81, 0x5D, 0x34, 0x78, 0x0A, 0x55, 0x50, 0xA7, 0x55, 0x46, 0x99, 0x24,
840	0x12, 0x49, 0x4B, 0x21, 0x08, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
841	0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x3A, 0x80, 0x18, 0x71, 0x38, 0x2D, 0x40, 0x58, 0x2C,
842	0x45, 0x00, 0xA2, 0x08, 0x32, 0x00, 0x00, 0x1E, 0x01, 0x1D, 0x00, 0x72, 0x51, 0xD0, 0x1E, 0x20,
843	0x6E, 0x28, 0x55, 0x00, 0xA2, 0x08, 0x32, 0x00, 0x00, 0x1E, 0x00, 0x00, 0x00, 0xFC, 0x00, 0x39,
844	0x33, 0x35, 0x36, 0x33, 0x5F, 0x31, 0x30, 0x38, 0x30, 0x70, 0x0A, 0x20, 0x00, 0x00, 0x00, 0xFD,
845	0x00, 0x32, 0x4B, 0x0F, 0x50, 0x0F, 0x00, 0x0A, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x01, 0xB9,
846
847	0x02, 0x03, 0x29, 0x71, 0x50, 0x90, 0x04, 0x05, 0x03, 0x20, 0x21, 0x22, 0x06, 0x13, 0x14, 0x11,
848	0x15, 0x02, 0x07, 0x12, 0x16, 0x23, 0x09, 0x07, 0x07, 0x83, 0x01, 0x00, 0x00, 0x67, 0x03, 0x0C,
849	0x00, 0x10, 0x00, 0xB8, 0x2D, 0xE3, 0x05, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
850	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
851	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
852	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
853	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
854	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x79
855
856	} ;
857	#endif
858
859
860	#endif
861	static const struct {
862	BHDM_EDID_P_AudioFormat EdidAudioFormat ;
863	BAVC_AudioFormat BcmAudioFormat ;
864	} BHDM_EDID_P_BcmSupportedFormats [] =
865	{
866	{BHDM_EDID_P_AudioFormat_ePCM, BAVC_AudioFormat_ePCM},
867	{BHDM_EDID_P_AudioFormat_eAC3, BAVC_AudioFormat_eAC3},
868	{BHDM_EDID_P_AudioFormat_eMPEG1, BAVC_AudioFormat_eMPEG1},
869	{BHDM_EDID_P_AudioFormat_eMP3, BAVC_AudioFormat_eMP3},
870	{BHDM_EDID_P_AudioFormat_eMPEG2, BAVC_AudioFormat_eMPEG2},
871	{BHDM_EDID_P_AudioFormat_eAAC, BAVC_AudioFormat_eAAC},
872	{BHDM_EDID_P_AudioFormat_eDTS, BAVC_AudioFormat_eDTS}
873
874	#if BHDM_CONFIG_AUDIO_SUPPORT_DDP
875	, {BHDM_EDID_P_AudioFormat_eDDPlus, BAVC_AudioFormat_eDDPlus}
876	#endif
877
878	#if BHDM_CONFIG_AUDIO_SUPPORT_DTSHD
879	, {BHDM_EDID_P_AudioFormat_eDTSHD, BAVC_AudioFormat_eDTSHD}
880	#endif
881
882	#if BHDM_CONFIG_AUDIO_SUPPORT_MATMLP
883	, {BHDM_EDID_P_AudioFormat_eMATMLP, BAVC_AudioFormat_eMATMLP}
884	#endif
885
886	#if BHDM_CONFIG_AUDIO_SUPPORT_WMAPRO
887	, {BHDM_EDID_P_AudioFormat_eWMAPro, BAVC_AudioFormat_eWMAPro}
888	#endif
889
890	#if 0
891	, {BHDM_EDID_P_AudioFormat_eATRAC, BAVC_AudioFormat_eATRAC}
892	, {BHDM_EDID_P_AudioFormat_eOneBit, BAVC_AudioFormat_eOneBit}
893	, {BHDM_EDID_P_AudioFormat_eDST, BAVC_AudioFormat_eDST}
894	#endif
895
896	} ;
897
898	static const struct {
899	BHDM_EDID_P_AudioSampleRate EdidAudioSampleRate ;
900	BAVC_AudioSamplingRate BcmAudioSampleRate ;
901	} EdidAudioSampleRateTable[] =
902	{
903
904	{BHDM_EDID_P_AudioSampleRate_e32KHz, BAVC_AudioSamplingRate_e32k},
905	{BHDM_EDID_P_AudioSampleRate_e44KHz, BAVC_AudioSamplingRate_e44_1k},
906	{BHDM_EDID_P_AudioSampleRate_e48KHz, BAVC_AudioSamplingRate_e48k},
907	{BHDM_EDID_P_AudioSampleRate_e96KHz, BAVC_AudioSamplingRate_e96k}
908
909	#if BHDM_CONFIG_88_2KHZ_AUDIO_SUPPORT
910	, {BHDM_EDID_P_AudioSampleRate_e88KHz, BAVC_AudioSamplingRate_e88_2k}
911	#endif
912
913	#if BHDM_CONFIG_176_4KHZ_AUDIO_SUPPORT
914	, {BHDM_EDID_P_AudioSampleRate_e176KHz, BAVC_AudioSamplingRate_e176_4k}
915	#endif
916
917	#if BHDM_CONFIG_192KHZ_AUDIO_SUPPORT
918	, {BHDM_EDID_P_AudioSampleRate_e192KHz, BAVC_AudioSamplingRate_e192k}
919	#endif
920
921	} ;
922
923	#if BDBG_DEBUG_BUILD
924	static char *CeaAudioSampleRateTypeText[] =
925	{
926	"32 kHz",
927	"44.1 kHz (CD)",
928	"48 kHz",
929	"96 kHz"
930	#if BHDM_CONFIG_88_2KHZ_AUDIO_SUPPORT
931	, "88.2 kHz"
932	#endif
933
934	#if BHDM_CONFIG_176_4KHZ_AUDIO_SUPPORT
935	, "176.4 kHz"
936	#endif
937
938	#if BHDM_CONFIG_192KHZ_AUDIO_SUPPORT
939	, "192 kHz"
940	#endif
941	} ;
942	#endif
943
944	/******************************************************************************
945	uint8_t BHDM_EDID_P_EdidCheckSum
946	Summary:Verify the checksum on an EDID block
947	*******************************************************************************/
948	uint8_t BHDM_EDID_P_EdidCheckSum(uint8_t *pEDID)
949	{
950	uint8_t i ;
951	uint8_t checksum = 0 ;
952
953
954	for (i = 0 ; i < BHDM_EDID_BLOCKSIZE ; i++)
955	checksum = checksum + (uint8_t) pEDID[i] ;
956
957	#if BDBG_DEBUG_BUILD
958	/*
959	-- Determine Checksum if an error (non-zero)
960	-- correct value can be inserted above if desired
961	*/
962	if (checksum % 256)
963	{
964	BDBG_WRN(("Checksum: %#X", checksum)) ;
965	BDBG_WRN(("Invalid Checksum Byte: %#02X", (unsigned char) pEDID[BHDM_EDID_CHECKSUM])) ;
966
967	/* determine the correct checksum value */
968	BDBG_WRN(("Correct Checksum Byte = %#02X",
969	(uint8_t) (256 - (checksum - (unsigned int) pEDID[BHDM_EDID_CHECKSUM])))) ;
970	}
971	#endif
972
973	return ( (checksum % 256) ? 0 : 1) ;
974	} /* end BHDM_EDID_P_EdidCheckSum */
975
976
977
978	/******************************************************************************
979	BERR_Code BHDM_EDID_GetNthBlock
980	Summary:Retrieve the Nth 128-byte EDID block
981	*******************************************************************************/
982	BERR_Code BHDM_EDID_GetNthBlock(
983	BHDM_Handle hHDMI, /* [in] HDMI handle */
984	uint8_t BlockNumber, /* [in] EDID Block Number to read */
985	uint8_t pBuffer, / [out] pointer to input buffer */
986	uint16_t uiBufSize /* [in] Size of input buffer to write EDID to */
987	)
988	{
989	BERR_Code rc = BERR_SUCCESS ;
990	uint8_t uiSegment ;
991	#if ! BHDM_CONFIG_DEBUG_EDID_PROCESSING
992	uint8_t timeoutMs ;
993	#endif
994	uint8_t RxDeviceAttached ;
995
996
997	/* make sure HDMI Cable is connected to something... */
998	BHDM_CHECK_RC(rc, BHDM_RxDeviceAttached(hHDMI, &RxDeviceAttached));
999	if (!RxDeviceAttached)
1000	{
1001	return BHDM_NO_RX_DEVICE ;
1002	}
1003
1004	if (hHDMI->edidStatus == BHDM_EDID_STATE_eInvalid) {
1005	return BHDM_EDID_NOT_FOUND;
1006	}
1007
1008	/* check if the requested block already cached */
1009	if ((BlockNumber == hHDMI->AttachedEDID.CachedBlock)
1010	&& (hHDMI->edidStatus == BHDM_EDID_STATE_eOK))
1011	{
1012	BDBG_MSG(("Skip reading EDID; Block %d already cached", BlockNumber)) ;
1013
1014	/* copy the cached EDID block to the user buffer */
1015	BKNI_Memcpy(pBuffer, hHDMI->AttachedEDID.Block, BHDM_EDID_BLOCKSIZE) ;
1016
1017	rc = BERR_SUCCESS ;
1018	goto done ;
1019	}
1020
1021	if (uiBufSize < BHDM_EDID_BLOCKSIZE)
1022	{
1023	BDBG_ERR(("Incorrect Specified EDID Block Size: %d; expecting %d",
1024	uiBufSize, BHDM_EDID_BLOCKSIZE)) ;
1025	rc = BERR_INVALID_PARAMETER ;
1026	goto done ;
1027	}
1028
1029
1030	/* Use E-DDC protocol for reading the EDID... */
1031
1032	/* each segment can hold two EDID blocks of 128 bytes each */
1033	/* determine which segment the requested block lies in */
1034	uiSegment = BlockNumber / 2 ;
1035
1036
1037	#if BHDM_CONFIG_DEBUG_EDID_PROCESSING
1038	/* copy the EDID from the debugging EDID instead of the connected monitor */
1039
1040	BDBG_WRN(("BHDM_CONFIG_DEBUG_EDID_PROCESSING is enabled")) ;
1041	BDBG_WRN(("EDID declared in bdhm_edid.c is being used")) ;
1042	BKNI_Memcpy(pBuffer,
1043	DebugRxEdid + (uint8_t) (BHDM_EDID_BLOCKSIZE * (BlockNumber % 2)) + (BHDM_EDID_BLOCKSIZE * 2 * uiSegment),
1044	BHDM_EDID_BLOCKSIZE) ;
1045	#else
1046	/* Read the EDID block; sometimes the EDID block is not ready/available */
1047	/* try again if a READ failure occurs */
1048
1049	timeoutMs = 1 ;
1050	do
1051	{
1052	rc = BREG_I2C_ReadEDDC(hHDMI->hI2cRegHandle, (uint8_t) BHDM_EDID_I2C_ADDR,
1053	(uint8_t) uiSegment,
1054	(uint8_t) (BHDM_EDID_BLOCKSIZE * (BlockNumber % 2)), /* offset */
1055	pBuffer, (uint16_t) BHDM_EDID_BLOCKSIZE) ; /* storage & length */
1056
1057	if (rc == BERR_SUCCESS)
1058	break ;
1059
1060	BDBG_WRN(("Error reading EDID Block; Attempt to re-read...")) ;
1061	BKNI_Sleep(1) ;
1062	} while ( timeoutMs-- ) ;
1063
1064	if (rc != BERR_SUCCESS)
1065	{
1066	BDBG_ERR(("Can't find/read Rx EDID device")) ;
1067	rc = BHDM_NO_RX_DEVICE ;
1068	goto done ;
1069	}
1070	#endif
1071
1072	/* copy the EDID block to the EDID handle */
1073	BKNI_Memcpy(hHDMI->AttachedEDID.Block, pBuffer, BHDM_EDID_BLOCKSIZE) ;
1074
1075	/* check for a valid checksum */
1076	if (!BHDM_EDID_P_EdidCheckSum(hHDMI->AttachedEDID.Block))
1077	{
1078	BDBG_WRN(("Checksum Error for EDID Block #%d Ignored", BlockNumber)) ;
1079	#if 0
1080	rc = BHDM_EDID_CHECKSUM_ERROR ;
1081	goto done ;
1082	#endif
1083	}
1084
1085	hHDMI->AttachedEDID.CachedBlock = BlockNumber ;
1086	hHDMI->edidStatus = BHDM_EDID_STATE_eOK;
1087
1088	done:
1089	return rc ;
1090	} /* end BHDM_EDID_GetNthBlock */
1091
1092
1093	#if BDBG_DEBUG_BUILD
1094	/******************************************************************************
1095	BERR_Code BHDM_EDID_P_PrintEdid
1096	Summary: Print EDID Messages
1097	*******************************************************************************/
1098	void BHDM_EDID_P_PrintEdid(uint8_t *pEDID)
1099	{
1100	uint8_t i ;
1101	uint8_t display_string[128] = "" ;
1102	uint8_t *ptr ;
1103
1104	i = 0 ;
1105	do
1106	{
1107	if ((i % BHDM_EDID_BLOCKSIZE == 0) /* add a blank line between blocks*/
1108	&& (i != 0)
1109	&& (i != BHDM_EDID_BLOCKSIZE))
1110	BDBG_MSG(("")) ;
1111
1112	if ((i % 16 == 0) ) /* 16 bytes per line */
1113	{
1114	BDBG_MSG(("%s", display_string)) ;
1115	BKNI_Snprintf((char *) display_string, BHDM_EDID_BLOCKSIZE, "%04X> ", i) ;
1116	}
1117
1118	ptr = display_string + _strlen((char *) display_string) ;
1119	BKNI_Snprintf((char *) ptr, BHDM_EDID_BLOCKSIZE, "%02X ", pEDID[i]) ;
1120	i++ ;
1121	} while (i < BHDM_EDID_BLOCKSIZE) ;
1122
1123	/* pirint last line */
1124	BDBG_MSG(("%s", display_string)) ;
1125
1126
1127	BDBG_MSG(("")) ;
1128	}
1129
1130
1131
1132	/******************************************************************************
1133	BERR_Code BHDM_EDID_DumpRawEDID
1134	Summary: Dump EDID data
1135	*******************************************************************************/
1136	BERR_Code BHDM_EDID_DumpRawEDID(BHDM_Handle hHDMI)
1137	{
1138	BERR_Code rc = BERR_SUCCESS ;
1139	uint8_t NumExtensions ;
1140	uint8_t i ;
1141
1142	/* read the 1st EDID Block */
1143	BHDM_CHECK_RC(rc, BHDM_EDID_GetNthBlock(hHDMI,
1144	0, hHDMI->AttachedEDID.Block, BHDM_EDID_BLOCKSIZE)) ;
1145
1146	BDBG_MSG(("RAW EDID DUMP: ")) ;
1147
1148	BHDM_EDID_P_PrintEdid( hHDMI->AttachedEDID.Block ) ;
1149
1150	NumExtensions = hHDMI->AttachedEDID.BasicData.Extensions;
1151	/* Search EDID Extension blocks for additional timing descriptors */
1152	for (i = 1 ; i <= NumExtensions; i++)
1153	{
1154	BDBG_MSG(("")) ;
1155	BDBG_MSG(("EXTENSION BLOCK %d", i)) ;
1156
1157	/* read the next 128 Byte EDID block */
1158	BHDM_CHECK_RC(rc, BHDM_EDID_GetNthBlock(hHDMI, i,
1159	hHDMI->AttachedEDID.Block, BHDM_EDID_BLOCKSIZE)) ;
1160
1161	BHDM_EDID_P_PrintEdid( hHDMI->AttachedEDID.Block ) ;
1162	}
1163
1164	done :
1165	return rc ;
1166	}
1167	#else
1168	void BHDM_EDID_P_PrintEdid(uint8_t *pEDID)
1169	{
1170	BSTD_UNUSED(pEDID);
1171	}
1172	BERR_Code BHDM_EDID_DumpRawEDID(BHDM_Handle hHDMI)
1173	{
1174	BSTD_UNUSED(hHDMI);
1175	return BERR_SUCCESS;
1176	}
1177	#endif
1178
1179
1180
1181
1182	/******************************************************************************
1183	BERR_Code BHDM_EDID_GetBasicData
1184	Summary: Retrieve the basic EDID data
1185	*******************************************************************************/
1186	BERR_Code BHDM_EDID_GetBasicData(
1187	BHDM_Handle hHDMI, /* [in] HDMI handle */
1188	BHDM_EDID_BasicData pMonitorData / [out] pointer to structure to hold Basic
1189	EDID Data */
1190	)
1191	{
1192	BERR_Code rc = BERR_SUCCESS ;
1193	uint8_t RxDeviceAttached ;
1194
1195	/* make sure HDMI Cable is connected to something... */
1196	BHDM_CHECK_RC(rc, BHDM_RxDeviceAttached(hHDMI, &RxDeviceAttached));
1197	if (!RxDeviceAttached)
1198	{
1199	return BHDM_NO_RX_DEVICE ;
1200	}
1201
1202	if (hHDMI->edidStatus == BHDM_EDID_STATE_eInvalid) {
1203	return BHDM_EDID_NOT_FOUND;
1204	}
1205
1206	/* copy the EDID Basic Data */
1207	BKNI_Memcpy(pMonitorData, (void *) &(hHDMI->AttachedEDID.BasicData),
1208	sizeof(BHDM_EDID_BasicData)) ;
1209
1210	done:
1211	return rc ;
1212	}/* end BHDM_EDID_GetBasicData */
1213
1214
1215
1216	/******************************************************************************
1217	static void BHDM_EDID_ParseDetailedTimingDescriptor
1218	Summary: Parse a Detailed Timing Descriptor Block
1219	*******************************************************************************/
1220	static void BHDM_EDID_ParseDetailedTimingDescriptor
1221	(unsigned char pDescriptor, BHDM_EDID_DetailTiming DetailedTiming)
1222	{
1223
1224	BDBG_ENTER(BHDM_EDID_ParseDetailedTimingDescriptor) ;
1225
1226	DetailedTiming->PixelClock =
1227	( ((pDescriptor[BHDM_EDID_DESC_PIXEL_CLOCK_HI]) << 8)
1228	\| ((pDescriptor[BHDM_EDID_DESC_PIXEL_CLOCK_LO]))) / 100 ;
1229
1230
1231	DetailedTiming->HorizActivePixels =
1232	pDescriptor[BHDM_EDID_DESC_HACTIVE_PIXELS_LSB]
1233	\| ((pDescriptor[BHDM_EDID_DESC_HACTIVE_PIXELS_UN_F0] & 0xF0) << 4) ;
1234
1235	DetailedTiming->HorizBlankingPixels =
1236	pDescriptor[ BHDM_EDID_DESC_HBLANK_PIXELS_LSB]
1237	\| (((pDescriptor[BHDM_EDID_DESC_HBLANK_PIXELS_UN_0F] & 0x0F) << 8)) ;
1238
1239
1240
1241	DetailedTiming->VerticalActiveLines =
1242	pDescriptor[BHDM_EDID_DESC_VACTIVE_LINES_LSB]
1243	\| ((pDescriptor[BHDM_EDID_DESC_VACTIVE_LINES_UN_F0] & 0xF0) << 4) ;
1244
1245	DetailedTiming->VerticalBlankingLines =
1246	pDescriptor[BHDM_EDID_DESC_VBLANK_LINES_LSB]
1247	\| (((pDescriptor[BHDM_EDID_DESC_VBLANK_LINES_UN_0F] & 0x0F) << 8)) ;
1248
1249	/* Mode */
1250	DetailedTiming->Mode =
1251	(pDescriptor[BHDM_EDID_DESC_PREFERRED_FLAGS] & 0x80) ? 1 : 0 ;
1252
1253
1254	/* HSync Offset / Width */
1255	DetailedTiming->HSyncOffset =
1256	pDescriptor[BHDM_EDID_DESC_HSYNC_OFFSET_LSB]
1257	\| (pDescriptor[BHDM_EDID_DESC_HSYNC_OFFSET_U2_C0] & 0xC0) << 2 ;
1258
1259	DetailedTiming->HSyncWidth =
1260	pDescriptor[BHDM_EDID_DESC_HSYNC_WIDTH_LSB]
1261	\| (pDescriptor[BHDM_EDID_DESC_HSYNC_WIDTH_U2_30] & 0x30) << 4 ;
1262
1263
1264	/* VSync Offset / Width */
1265	DetailedTiming->VSyncOffset =
1266	((pDescriptor[BHDM_EDID_DESC_VSYNC_OFFSET_LN_F0] & 0xF0) >> 4)
1267	\| ((pDescriptor[BHDM_EDID_DESC_VSYNC_OFFSET_U2_0C] & 0x0C) << 2) ;
1268
1269	DetailedTiming->VSyncWidth =
1270	(pDescriptor[BHDM_EDID_DESC_VSYNC_WIDTH_LN_0F] & 0x0F)
1271	\| ((pDescriptor[BHDM_EDID_DESC_VSYNC_WIDTH_U2_03] & 0x03) << 4) ;
1272
1273	/Screen Size /
1274	DetailedTiming->HSize_mm =
1275	pDescriptor[BHDM_EDID_DESC_HSIZE_MM_LSB]
1276	\| ((pDescriptor[BHDM_EDID_DESC_HSIZE_UN_F0] & 0xF0) << 4) ;
1277
1278	DetailedTiming->VSize_mm =
1279	pDescriptor[BHDM_EDID_DESC_VSIZE_MM_LSB]
1280	\| ((pDescriptor[BHDM_EDID_DESC_VSIZE_UN_0F] & 0x0F) << 8) ;
1281
1282	DetailedTiming->HorizBorderPixels = pDescriptor[BHDM_EDID_DESC_HBORDER_PIXELS] ;
1283	DetailedTiming->VerticalBorderLines = pDescriptor[BHDM_EDID_DESC_VBORDER_LINES] ;
1284
1285	BDBG_LEAVE(BHDM_EDID_ParseDetailedTimingDescriptor) ;
1286	return ;
1287	} /* END BHDM_EDID_ParseDetailedTimingDescriptor */
1288
1289
1290
1291	/******************************************************************************
1292	BERR_Code BHDM_EDID_P_DetailTiming2VideoFmt(
1293	Summary: Determine the BFMT_VideoFmt for the associated Detailed Timing Format
1294	*******************************************************************************/
1295	static BERR_Code BHDM_EDID_P_DetailTiming2VideoFmt(
1296	BHDM_Handle hHDMI,
1297	BHDM_EDID_DetailTiming *pBHDM_EDID_DetailTiming,
1298	BFMT_VideoFmt *Detail_VideoFmt
1299	)
1300	{
1301	BERR_Code rc = BHDM_EDID_DETAILTIMING_NOT_SUPPORTED ;
1302	const BFMT_VideoInfo *pVideoFormatInfo ;
1303	BFMT_VideoFmt eVideoFmt ;
1304
1305	uint8_t i ;
1306	bool Interlaced ;
1307	uint16_t
1308	uiVerticalFrequency ;
1309	uint16_t AdjustedHorizPixels ;
1310	uint16_t AdjustedVerticalLines ;
1311
1312	/* default to NTSC format */
1313	*Detail_VideoFmt = BFMT_VideoFmt_eDVI_640x480p ;
1314
1315	/* adjust Detailed Timing vertical parameters for interlaced formats */
1316	/* Do not adjust the original number of pixels in the Detail Timing */
1317	Interlaced = pBHDM_EDID_DetailTiming->Mode ? true : false ;
1318	if (Interlaced)
1319	AdjustedVerticalLines = pBHDM_EDID_DetailTiming->VerticalActiveLines * 2 ;
1320	else
1321	AdjustedVerticalLines = pBHDM_EDID_DetailTiming->VerticalActiveLines ;
1322
1323	/* adjust any pixel repititions to match the formats */
1324	/* as specified in BFMT (e.g 1440 -> 720) */
1325
1326	if ((pBHDM_EDID_DetailTiming->HorizActivePixels == 1440)
1327	\|\| (pBHDM_EDID_DetailTiming->HorizActivePixels == 2880))
1328	AdjustedHorizPixels = 720 ;
1329	else
1330	AdjustedHorizPixels = pBHDM_EDID_DetailTiming->HorizActivePixels ;
1331
1332
1333	for (i = 0; i < BFMT_VideoFmt_eMaxCount; i++)
1334	{
1335	eVideoFmt = (BFMT_VideoFmt) i ;
1336
1337	pVideoFormatInfo = BFMT_GetVideoFormatInfoPtr(eVideoFmt) ;
1338	if (!pVideoFormatInfo)
1339	continue;
1340
1341	/* check if the specified parameters match the requested formats */
1342
1343	/* 1st, Check if Pixel Format matches */
1344	if ((pVideoFormatInfo->ulDigitalWidth != AdjustedHorizPixels)
1345	\|\| (pVideoFormatInfo->ulDigitalHeight != AdjustedVerticalLines))
1346	continue ;
1347
1348	/* 2nd, Check Scan Type (i/p) */
1349	if (pVideoFormatInfo->bInterlaced != Interlaced)
1350	continue ;
1351
1352
1353	/* 3rd, for all 720p and 1080i,p formats, make another
1354	check to help differentiate the 24, 50, and 60Hz formats.
1355	This is needed for Detailed Timing Descriptors because the
1356	format width is the same so the blanking time must also be considered
1357	when matching formats */
1358
1359	if ((pVideoFormatInfo->ulDigitalWidth == BFMT_1080I_WIDTH)
1360	\|\| (pVideoFormatInfo->ulDigitalWidth == BFMT_1080P_WIDTH)
1361	\|\| (pVideoFormatInfo->ulDigitalWidth == BFMT_720P_WIDTH))
1362	{
1363	uint16_t ulHorizontalScanWidth ;
1364
1365	ulHorizontalScanWidth =
1366	pBHDM_EDID_DetailTiming->HorizActivePixels
1367	+ pBHDM_EDID_DetailTiming->HorizBlankingPixels ;
1368
1369	if (pVideoFormatInfo->ulScanWidth != ulHorizontalScanWidth)
1370	continue ;
1371	}
1372
1373	/* use the BFMT freqency parameter to get the Vertical Frequency */
1374	/* Ignore rc; default of 60Hz will be used for unknown Frequency */
1375	BHDM_EDID_P_GetVerticalFrequency(
1376	pVideoFormatInfo->ulVertFreqMask, &uiVerticalFrequency) ;
1377
1378	#if !defined(BHDM_CONFIG_1080P_5060HZ_SUPPORT)
1379	if ((eVideoFmt == BFMT_VideoFmt_e1080p)
1380	&& (uiVerticalFrequency >= 50))
1381	{
1382	/* 1080p 60hz */
1383	/* assign format but return unsupported */
1384
1385	*Detail_VideoFmt = eVideoFmt ;
1386	rc = BHDM_EDID_DETAILTIMING_NOT_SUPPORTED ;
1387	break ;
1388	}
1389	#endif
1390
1391	/* 3rd check the vertical frequency range */
1392	if ((uiVerticalFrequency >= hHDMI->AttachedEDID.MonitorRange.MinVertical)
1393	&& (uiVerticalFrequency <= hHDMI->AttachedEDID.MonitorRange.MaxVertical))
1394	{
1395	#if 0
1396	/* debug Vertical Frequency */
1397	BDBG_MSG(("Vertical Frequency %d <= %d <=%d",
1398	hHDMI->AttachedEDID.MonitorRange.MinVertical,
1399	uiVerticalFrequency,
1400	hHDMI->AttachedEDID.MonitorRange.MaxVertical));
1401	#endif
1402	BDBG_MSG((" %s (#%d) %4d x %4d %c %dHz",
1403	pVideoFormatInfo->pchFormatStr, i,
1404	pVideoFormatInfo->ulDigitalWidth, pVideoFormatInfo->ulDigitalHeight,
1405	Mode[pVideoFormatInfo->bInterlaced], uiVerticalFrequency)) ;
1406
1407	/* found associated BFMT_eVideoFmt */
1408	*Detail_VideoFmt = eVideoFmt ;
1409	rc = BERR_SUCCESS ;
1410	break ;
1411	}
1412	else
1413	{
1414	BDBG_MSG((" Format %s does not match ", pVideoFormatInfo->pchFormatStr)) ;
1415	}
1416	}
1417
1418	return rc ;
1419	}
1420
1421
1422	/******************************************************************************
1423	BERR_Code BHDM_EDID_GetDetailTiming
1424	Summary: Retrieve EDID Detail Timing Data
1425	*******************************************************************************/
1426	BERR_Code BHDM_EDID_GetDetailTiming(
1427	BHDM_Handle hHDMI, /* [in] HDMI handle */
1428	uint8_t NthTimingRequested, /* [in] number of the Detail Block to get */
1429	BHDM_EDID_DetailTiming
1430	pBHDM_EDID_DetailTiming, / [out] pointer to a BHDM_EDID_DetailTiming
1431	structure to hold the data */
1432	BFMT_VideoFmt *BCM_VideoFmt
1433	)
1434	{
1435	/* the first 128 bytes of the EDID should contain the preferred
1436	* timing block. It should be in the first Descriptor Block...
1437	*/
1438
1439	/*
1440	* LISTED HERE FOR DOCUMENTATION PURPOSES ONLY...
1441	*
1442	* By searching for the following DESCRIPTOR BLOCKS
1443	* EDID information (Name, S/N etc) can be gathered from the
1444	* Display Device; the search and retrieval of such data
1445	* could be implemented in this function
1446	*
1447	* static DESCRIPTOR_BLOCK TimingDescriptors[] =
1448	* {
1449	* {0x00, 0x00, 0x00, 0xFF, 0x00}, -- Monitor Serial Number
1450	* {0x00, 0x00, 0x00, 0xFE, 0x00}, -- ASCII String
1451	* {0x00, 0x00, 0x00, 0xFD, 0x00}, -- Monitor Range Limits
1452	* {0x00, 0x00, 0x00, 0xFC, 0x00}, -- Monitor Name (ASCII)
1453	* {0x00, 0x00, 0x00, 0xFB, 0x00}, -- Color Point Data
1454	* {0x00, 0x00, 0x00, 0xFA, 0x00}, -- Additional Standard Timings
1455	* -- F9 - 11 Unused
1456	* -- 0F - 00 Manufacturer Descriptor
1457	* {0x00, 0x00, 0x00, 0x10, 0x00}, -- Dummy Descriptor
1458	* } ;
1459	*/
1460
1461	BERR_Code rc = BERR_SUCCESS ;
1462
1463	uint8_t i, j ;
1464	uint8_t offset ;
1465	uint8_t MaxDescriptors ;
1466	uint8_t extensions, DataOffset ;
1467	uint8_t NumDetailedTimingsFound = 0 ;
1468	uint8_t RxDeviceAttached ;
1469
1470	BDBG_ENTER(BHDM_EDID_GetDetailTiming) ;
1471
1472	BCM_VideoFmt = BFMT_VideoFmt_eNTSC; / initialize the out param for error path */
1473
1474	/* make sure HDMI Cable is connected to something... */
1475	BHDM_CHECK_RC(rc, BHDM_RxDeviceAttached(hHDMI, &RxDeviceAttached));
1476	if (!RxDeviceAttached)
1477	return BHDM_NO_RX_DEVICE ;
1478
1479	#if BDBG_DEBUG_BUILD
1480	if (hHDMI->DeviceSettings.BypassEDIDChecking)
1481	{
1482	BDBG_WRN(("EDID is ByPassed; All formats will attempt to display")) ;
1483	goto done ;
1484	}
1485	#endif
1486
1487	if (hHDMI->edidStatus == BHDM_EDID_STATE_eInvalid)
1488	{
1489	rc = BHDM_EDID_NOT_FOUND;
1490	goto done;
1491	}
1492
1493
1494	if (!NthTimingRequested)
1495	{
1496	rc = BERR_INVALID_PARAMETER ;
1497	BDBG_ERR(("Incorrectly specified Detail Timing: %d", NthTimingRequested)) ;
1498	goto done ;
1499	}
1500
1501	/* set Number of Detailed Timings Found to 2; number in 1st Block */
1502	NumDetailedTimingsFound = hHDMI->AttachedEDID.SupportedDetailTimingsIn1stBlock ;
1503
1504	/* up to two preferred formats should be stored in handle; if requested copy and exit */
1505	if ((NumDetailedTimingsFound) && (NthTimingRequested <= NumDetailedTimingsFound))
1506	{
1507	BKNI_Memcpy(pBHDM_EDID_DetailTiming,
1508	&(hHDMI->AttachedEDID.SupportedDetailTimings[NthTimingRequested - 1]),
1509	sizeof(BHDM_EDID_DetailTiming)) ;
1510
1511	/* function below displays just the BFMT name; parse/display done at Initialize */
1512	rc = BHDM_EDID_P_DetailTiming2VideoFmt(hHDMI, pBHDM_EDID_DetailTiming, BCM_VideoFmt);
1513	if (rc == BERR_SUCCESS) {
1514	goto BcmSupportedFormatFound;
1515	}
1516	else {
1517	goto BcmSupportedFormatNotFound;
1518	}
1519	}
1520
1521	/* otherwise search the extensions for the requested format */
1522	extensions = hHDMI->AttachedEDID.BasicData.Extensions ;
1523	if (!extensions)
1524	goto BcmSupportedFormatNotFound;
1525
1526	/* Search EDID Extension blocks for additional timing descriptors */
1527	for (i = 1 ; i <= extensions; i++)
1528	{
1529	/* read the next 128 Byte EDID block */
1530	BHDM_CHECK_RC(rc, BHDM_EDID_GetNthBlock(hHDMI, i, hHDMI->AttachedEDID.Block, BHDM_EDID_BLOCKSIZE)) ;
1531
1532	/* check Extension Tag type for Timing Data */
1533	offset = 0 ;
1534	if (hHDMI->AttachedEDID.Block[BHDM_EDID_EXT_TAG] != BHDM_EDID_EXT_TIMING_DATA)
1535	continue ;
1536
1537	/* check if data blocks exist before the 18 Byte Detailed Timing data */
1538	DataOffset = hHDMI->AttachedEDID.Block[BHDM_EDID_EXT_DATA_OFFSET] ;
1539	if (DataOffset == 0) /* no timing info in the block */
1540	{
1541	BDBG_MSG(("EDID Ext contains no Detail Timing Descriptors")) ;
1542	continue ; /* continue to the next Timing Extension */
1543	}
1544
1545	/* determine the number of timing data */
1546	switch (hHDMI->AttachedEDID.Block[BHDM_EDID_EXT_VERSION])
1547	{
1548	case 0x01 : /* Version 1 See CEA-861 */
1549	MaxDescriptors = 6 ;
1550	break ;
1551
1552	case 0x02 : /* Version 2 See CEA-861 A Spec */
1553	case 0x03 : /* Version 3 See CEA-861 B Spec */
1554	MaxDescriptors = hHDMI->AttachedEDID.Block[BHDM_EDID_EXT_MONITOR_SUPPORT] ;
1555	MaxDescriptors = MaxDescriptors & 0x0F ;
1556	MaxDescriptors = MaxDescriptors - NumDetailedTimingsFound ;
1557
1558	break ;
1559
1560	default :
1561	/* Check all blocks regardless of */
1562	/* the version of the EDID Extension */
1563	BDBG_MSG(("Timing Extension Version '%d' Not Supported",
1564	hHDMI->AttachedEDID.Block[offset+1])) ;
1565	rc = BHDM_EDID_EXT_VERSION_NOT_SUPPORTED ;
1566	goto BcmSupportedFormatNotFound;
1567	}
1568
1569	BDBG_MSG(("EDID Extension #%d contains additional Timing Data", i)) ;
1570
1571
1572	/* skip start of EDID Extension Block */
1573	offset = offset + hHDMI->AttachedEDID.Block[offset + 2] ;
1574
1575	for (j = 0 ; j < MaxDescriptors; j++)
1576	{
1577	/* advance to next descriptor in the extension */
1578	offset = offset + 18 * j ;
1579
1580	/* skip any Detailed Timing blocks used as descriptors */
1581	/* Descriptor Blocks begin with 0x00 0x00 0x00... */
1582	/* Timing Blocks do not... */
1583
1584	#ifdef DEBUG_DESCRIPTOR
1585	BDBG_MSG(("COMPARE %02X %02X %02X %02X %02X ",
1586	hHDMI->AttachedEDID.Block[offset],
1587	hHDMI->AttachedEDID.Block[offset+1],hHDMI->AttachedEDID.Block[offset+2],
1588	hHDMI->AttachedEDID.Block[offset+3], hHDMI->AttachedEDID.Block[offset+4])) ;
1589	BDBG_MSG(("COMPARE %02X %02X %02X %02X %02X ",
1590	hHDMI->AttachedEDID.DescriptorHeader[0],
1591	hHDMI->AttachedEDID.DescriptorHeader[1], hHDMI->AttachedEDID.DescriptorHeader[2],
1592	hHDMI->AttachedEDID.DescriptorHeader[3], hHDMI->AttachedEDID.DescriptorHeader[4])) ;
1593
1594	BDBG_MSG(("Check Timing Block #%d of possible %d ", j+1, MaxDescriptors)) ;
1595	BDBG_MSG(("DescriptorHeader %02X %02X %02X %02X %02X",
1596	hHDMI->AttachedEDID.Block[offset],
1597	hHDMI->AttachedEDID.Block[offset+1], hHDMI->AttachedEDID.Block[offset+2],
1598	hHDMI->AttachedEDID.Block[offset+3], hHDMI->AttachedEDID.Block[offset+4])) ;
1599	#endif
1600
1601	/* skip EDID descriptor blocks */
1602	if (BKNI_Memcmp(&hHDMI->AttachedEDID.Block[offset], (void *) &hHDMI->AttachedEDID.DescriptorHeader, 3) == 0)
1603	continue ;
1604
1605
1606	/* stop searching if the Requested Timing is found */
1607	if (++NumDetailedTimingsFound == NthTimingRequested)
1608	{
1609	BHDM_EDID_ParseDetailedTimingDescriptor(
1610	&hHDMI->AttachedEDID.Block[offset], pBHDM_EDID_DetailTiming ) ;
1611
1612	BDBG_MSG(("Detailed Timing #%d found in EDID Extension #%d, Descriptor Block #%d",
1613	NthTimingRequested, i, j+1)) ;
1614
1615	rc = BHDM_EDID_P_DetailTiming2VideoFmt(hHDMI, pBHDM_EDID_DetailTiming, BCM_VideoFmt);
1616	if (rc != BERR_SUCCESS)
1617	goto BcmSupportedFormatNotFound;
1618
1619	break ; /* falls to BcmSupportedFormatFound: label */
1620	}
1621	}
1622	}
1623
1624
1625
1626	BcmSupportedFormatFound:
1627	if (*BCM_VideoFmt == BFMT_VideoFmt_eCUSTOM_1366x768p
1628	\|\| *BCM_VideoFmt == BFMT_VideoFmt_eCUSTOM_1366x768p_50Hz
1629	#if BHDM_CONFIG_1366_FORMAT_CHECK
1630	\|\| *BCM_VideoFmt == BFMT_VideoFmt_eDVI_1366x768p_60Hz
1631	\|\| *BCM_VideoFmt == BFMT_VideoFmt_eDVI_1360x768p_60Hz
1632	#endif
1633	)
1634	{
1635	if (hHDMI->AttachedEDID.BcmSupportedVideoFormats[BFMT_VideoFmt_e720p])
1636	{
1637	BDBG_WRN(("Overriding DetailTiming #%d (1366x768p/1360x768p) to BFMT_VideoFmt_e720p",
1638	NthTimingRequested));
1639	*BCM_VideoFmt = BFMT_VideoFmt_e720p ;
1640	goto done ;
1641	}
1642	/* else fall to BcmSupportedFormatNotFound: label */
1643	goto BcmSupportedFormatNotFound;
1644	}
1645	else if (BFMT_IS_VESA_MODE(*BCM_VideoFmt))
1646	{
1647	*BCM_VideoFmt = BFMT_VideoFmt_eDVI_640x480p ;
1648	BDBG_WRN(("Requested Detail Timing #%d is a PC format; Override with HDMI supported VGA\n\n",
1649	NthTimingRequested)) ;
1650	}
1651
1652	goto done ;
1653
1654
1655	BcmSupportedFormatNotFound:
1656	rc = BHDM_EDID_DETAILTIMING_NOT_SUPPORTED;
1657	/* Detailed Timing Request Not Found */
1658	BDBG_WRN(("Requested Detailed Timing %d NOT SUPPORTED - Detailed Timings found: %d",
1659	NthTimingRequested, NumDetailedTimingsFound)) ;
1660	for (i=0; i<BHDM_EDID_P_ALT_PREFERRED_VIDEOFMT_MAX; i++) {
1661	if (hHDMI->AttachedEDID.BcmSupportedVideoFormats[BHDM_EDID_P_AltPreferredFormats[i].format])
1662	{
1663	BDBG_WRN(("Overriding to %s format", BHDM_EDID_P_AltPreferredFormats[i].formattext));
1664	*BCM_VideoFmt = BHDM_EDID_P_AltPreferredFormats[i].format;
1665	break;
1666	}
1667	}
1668
1669
1670	done:
1671	BDBG_LEAVE(BHDM_EDID_GetDetailTiming) ;
1672
1673	return rc ;
1674	}
1675
1676
1677	/******************************************************************************
1678	BERR_Code BHDM_EDID_GetVideoDescriptor
1679	Summary: Retrieve EDID Detail Timing Data
1680	*******************************************************************************/
1681	BERR_Code BHDM_EDID_GetVideoDescriptor(
1682	BHDM_Handle hHDMI, /* [in] HDMI handle */
1683	uint8_t NthIdCode, /* [in] number of the Video ID Code to get */
1684	uint8_t VideoIdCode, / [out] 861B Video ID Code */
1685	BFMT_VideoFmt BCM_VideoFmt, / [out] associated BFMT */
1686	uint8_t NativeFormat / Native Monitor Format */
1687	)
1688	{
1689	BERR_Code rc = BERR_SUCCESS ;
1690
1691	uint8_t i ;
1692	uint8_t RxDeviceAttached ;
1693	BHDM_EDID_P_VideoDescriptor *pVideoDescriptor ;
1694
1695	BDBG_ENTER(BHDM_EDID_GetVideoDescriptor) ;
1696
1697	/* make sure HDMI Cable is connected to something... */
1698	BHDM_CHECK_RC(rc, BHDM_RxDeviceAttached(hHDMI, &RxDeviceAttached));
1699	if (!RxDeviceAttached)
1700	return BHDM_NO_RX_DEVICE ;
1701
1702	#if BDBG_DEBUG_BUILD
1703	if (hHDMI->DeviceSettings.BypassEDIDChecking)
1704	{
1705	BDBG_WRN(("EDID is ByPassed; All formats will attempt to display")) ;
1706	goto done ;
1707	}
1708	#endif
1709
1710	if (hHDMI->edidStatus == BHDM_EDID_STATE_eInvalid)
1711	{
1712	rc = BHDM_EDID_NOT_FOUND;
1713	goto done;
1714	}
1715
1716	if (!hHDMI->AttachedEDID.RxHasHdmiSupport)
1717	{
1718	rc = BHDM_EDID_HDMI_NOT_SUPPORTED ;
1719	goto done ;
1720	}
1721
1722	if (!NthIdCode)
1723	{
1724	rc = BERR_INVALID_PARAMETER ;
1725	BDBG_ERR(("Incorrectly specified Id Code: %d", NthIdCode)) ;
1726	goto done ;
1727	}
1728
1729	i = 1 ;
1730	for( pVideoDescriptor = BLST_Q_FIRST(&hHDMI->AttachedEDID.VideoDescriptorList);
1731	pVideoDescriptor ; pVideoDescriptor = BLST_Q_NEXT(pVideoDescriptor, link))
1732	{
1733	if (i++ == NthIdCode)
1734	{
1735	*VideoIdCode = (uint8_t) pVideoDescriptor->VideoIdCode ;
1736	*BCM_VideoFmt = (BFMT_VideoFmt) pVideoDescriptor->eVideoFmt ;
1737	*NativeFormat = (uint8_t) pVideoDescriptor->NativeFormat ;
1738
1739	BDBG_MSG(("VICn: %d; BCM_Fmt: %d; Native Fmt: %d",
1740	VideoIdCode, BCM_VideoFmt, *NativeFormat)) ;
1741	goto done ;
1742	}
1743	}
1744
1745	done:
1746	BDBG_LEAVE(BHDM_EDID_GetVideoDescriptor) ;
1747
1748	return rc ;
1749	}
1750	/*
1751	*** BASE_HDMI: Attached Monitor VESA Formats Only
1752	--- BHDM_EDID: 2 VICn: 6; BCM_Fmt: 26; Monitor Native Format: 0
1753	*/
1754
1755	/******************************************************************************
1756	BERR_Code BHDM_EDID_GetDescriptor
1757	Summary: Retrieve a specified EDID descriptor
1758	*******************************************************************************/
1759	BERR_Code BHDM_EDID_GetDescriptor(
1760	BHDM_Handle hHDMI, /* [in] HDMI handle */
1761	BHDM_EDID_Tag tag, /* [in] id of the descriptor tag to retrieve */
1762	uint8_t pDescriptorText, / [out] pointer to memory to hold retrieved tag data */
1763	uint8_t uiBufSize /* [in ] mem size in bytes of pDescriptorText */
1764	)
1765	{
1766	uint8_t TagId ;
1767	uint8_t i, j ;
1768	uint8_t offset ;
1769	uint8_t extensions ;
1770	uint8_t MaxDescriptors ;
1771	uint8_t RxDeviceAttached ;
1772
1773	BERR_Code rc = BERR_SUCCESS ;
1774
1775	BDBG_ENTER(BHDM_EDID_GetDescriptor) ;
1776
1777	/* make sure HDMI Cable is connected to something... */
1778	BHDM_CHECK_RC(rc, BHDM_RxDeviceAttached(hHDMI, &RxDeviceAttached));
1779	if (!RxDeviceAttached)
1780	{
1781	return BHDM_NO_RX_DEVICE ;
1782	}
1783
1784	if (hHDMI->edidStatus == BHDM_EDID_STATE_eInvalid)
1785	{
1786	rc = BHDM_EDID_NOT_FOUND;
1787	goto done;
1788	}
1789
1790
1791	#if BDBG_DEBUG_BUILD
1792	if (hHDMI->DeviceSettings.BypassEDIDChecking)
1793	{
1794	BKNI_Memcpy(pDescriptorText, EDIDByPassedText,
1795	BHDM_EDID_MONITOR_DESC_SIZE - BHDM_EDID_DESC_HEADER_LEN) ;
1796	goto done ;
1797	}
1798	#endif
1799
1800	if ((!uiBufSize)
1801	\|\| (uiBufSize > BHDM_EDID_MONITOR_DESC_SIZE)
1802	\|\| (uiBufSize < BHDM_EDID_MONITOR_DESC_SIZE - BHDM_EDID_DESC_HEADER_LEN))
1803	{
1804	BDBG_ERR(("Incorrect Specified Descriptor Length: %d", uiBufSize)) ;
1805	rc = BERR_INVALID_PARAMETER ;
1806	goto done ;
1807	}
1808
1809
1810	/* check for valid tag */
1811	switch (tag)
1812	{
1813	case BHDM_EDID_Tag_eMONITOR_NAME :
1814	/* monitor name should have been read at EDID_Initialize */
1815	if (hHDMI->AttachedEDID.MonitorName[0] == 0x00)
1816	{
1817	BKNI_Memcpy(pDescriptorText, &hHDMI->AttachedEDID.MonitorName,
1818	BHDM_EDID_MONITOR_DESC_SIZE - BHDM_EDID_DESC_HEADER_LEN) ;
1819
1820	rc = BERR_SUCCESS ; /* Descriptor Found and Copied */
1821	goto done ;
1822	}
1823	TagId = BHDM_EDID_TAG_MONITOR_NAME ;
1824	break ;
1825
1826	case BHDM_EDID_Tag_eMONITOR_ASCII :
1827	TagId = BHDM_EDID_TAG_MONITOR_ASCII ;
1828	break ;
1829
1830	case BHDM_EDID_Tag_eMONITOR_SN :
1831	TagId = BHDM_EDID_TAG_MONITOR_SN ;
1832	break ;
1833
1834	default :
1835	BDBG_ERR(("Invalid Descriptor Tag: %d", tag)) ;
1836	rc = BERR_INVALID_PARAMETER ;
1837	goto done ;
1838	}
1839
1840	/* Insert the Tag we are searching for in the Descriptor Header */
1841	BKNI_Memset((void *) &hHDMI->AttachedEDID.DescriptorHeader, 0x0, BHDM_EDID_DESC_HEADER_LEN);
1842	hHDMI->AttachedEDID.DescriptorHeader[BHDM_EDID_DESC_TAG] = TagId ;
1843
1844	/* read the 1st EDID Block */
1845	BHDM_CHECK_RC(rc, BHDM_EDID_GetNthBlock(hHDMI,
1846	0, hHDMI->AttachedEDID.Block, BHDM_EDID_BLOCKSIZE)) ;
1847
1848	/* Check the four Descriptor Blocks in the initial 128 EDID bytes */
1849	for (i = 0 ; i < 4; i++) /* 1-4 Detailed Timing Descriptor */
1850	{
1851	offset = BHDM_EDID_MONITOR_DESC_1 + BHDM_EDID_MONITOR_DESC_SIZE * i ;
1852
1853	/*
1854	** Check if we've found the Descriptor tag we're looking for
1855	** Descriptor Blocks begin with 0x00 0x00 0x00 <tag> 0x00
1856	** Detailed Timings do not...
1857	*/
1858	if (BKNI_Memcmp(&hHDMI->AttachedEDID.Block[offset], (void *) &hHDMI->AttachedEDID.DescriptorHeader,
1859	BHDM_EDID_DESC_HEADER_LEN) == 0)
1860	{
1861	BKNI_Memcpy(pDescriptorText, &hHDMI->AttachedEDID.Block[offset + BHDM_EDID_DESC_DATA],
1862	BHDM_EDID_MONITOR_DESC_SIZE - BHDM_EDID_DESC_HEADER_LEN) ;
1863
1864	rc = BERR_SUCCESS ; /* Descriptor Found and Copied */
1865	goto done ;
1866	}
1867	}
1868
1869	/* Descriptor Not Found...check extension blocks */
1870	extensions = hHDMI->AttachedEDID.BasicData.Extensions;
1871	if (!extensions)
1872	{
1873	rc = BHDM_EDID_DESCRIPTOR_NOT_FOUND ;
1874	goto done ;
1875	}
1876
1877
1878	/* Search EDID Extension blocks for additional descriptors */
1879	for (i = 1 ; i <= extensions; i++)
1880	{
1881	/* read the next 128 Byte EDID block */
1882	BHDM_CHECK_RC(rc, BHDM_EDID_GetNthBlock(hHDMI,
1883	i, hHDMI->AttachedEDID.Block, BHDM_EDID_BLOCKSIZE)) ;
1884
1885
1886	/* check Extension Tag type for Timing Data */
1887	offset = 0 ;
1888	if (hHDMI->AttachedEDID.Block[offset] != BHDM_EDID_EXT_TIMING_DATA)
1889	continue ;
1890
1891	/* determine the number of Detailed Timing Descripors */
1892	switch (hHDMI->AttachedEDID.Block[offset+1])
1893	{
1894	case 0x01 : /* Check all blocks regardless of */
1895	MaxDescriptors = 6 ; /* (128 - 6) / 18 */
1896	break ;
1897
1898	case 0x02 : /* the version of the EDID Extension */
1899	case 0x03 : /* See EA-861 B Spec */
1900	MaxDescriptors = hHDMI->AttachedEDID.Block[BHDM_EDID_EXT_MONITOR_SUPPORT] ;
1901	MaxDescriptors = MaxDescriptors & 0x0F ;
1902	break ;
1903
1904	default :
1905	BDBG_ERR(("Timing Extension Version '%d' Not Supported",
1906	hHDMI->AttachedEDID.Block[offset+1])) ;
1907	rc = BHDM_EDID_EXT_VERSION_NOT_SUPPORTED ;
1908	goto done ;
1909	}
1910
1911
1912	/* skip start of EDID Extension Block */
1913	offset = offset + hHDMI->AttachedEDID.Block[offset + 2] ;
1914
1915	for (j = 0 ; j < MaxDescriptors; j++)
1916	{
1917	if (BKNI_Memcmp(&hHDMI->AttachedEDID.Block[offset + BHDM_EDID_MONITOR_DESC_SIZE*j],
1918	(void *) &hHDMI->AttachedEDID.DescriptorHeader, BHDM_EDID_DESC_HEADER_LEN) == 0)
1919	{
1920	BKNI_Memcpy(pDescriptorText, &hHDMI->AttachedEDID.Block[offset + BHDM_EDID_DESC_DATA],
1921	BHDM_EDID_MONITOR_DESC_SIZE - BHDM_EDID_DESC_HEADER_LEN) ;
1922	rc = BERR_SUCCESS ; /* Descriptor Found and Copied */
1923	goto done ;
1924	}
1925	}
1926	}
1927
1928	done:
1929	BDBG_LEAVE(BHDM_EDID_GetDescriptor) ;
1930	return rc ;
1931	} /* end BHDM_EDID_GetDescriptor */
1932
1933
1934
1935	BERR_Code BHDM_EDID_P_GetMonitorRange(BHDM_Handle hHDMI, uint8_t offset)
1936	{
1937	BERR_Code rc = BERR_SUCCESS ;
1938
1939	hHDMI->AttachedEDID.MonitorRange.MinVertical =
1940	hHDMI->AttachedEDID.Block[offset + BHDM_EDID_DESC_RANGE_MIN_V_RATE] ;
1941
1942	hHDMI->AttachedEDID.MonitorRange.MaxVertical =
1943	hHDMI->AttachedEDID.Block[offset + BHDM_EDID_DESC_RANGE_MAX_V_RATE] ;
1944
1945	hHDMI->AttachedEDID.MonitorRange.MinHorizontal =
1946	hHDMI->AttachedEDID.Block[offset + BHDM_EDID_DESC_RANGE_MIN_H_RATE] ;
1947
1948	hHDMI->AttachedEDID.MonitorRange.MaxHorizontal =
1949	hHDMI->AttachedEDID.Block[offset + BHDM_EDID_DESC_RANGE_MAX_H_RATE] ;
1950
1951	hHDMI->AttachedEDID.MonitorRange.MaxPixelClock
1952	= hHDMI->AttachedEDID.Block[offset + BHDM_EDID_DESC_RANGE_MAX_PCLOCK] * 10 ;
1953
1954	/*
1955	** check for secondary timing formula but don't decode it...
1956	** make the bytes available for decoding by caller..
1957	*/
1958	hHDMI->AttachedEDID.MonitorRange.SecondaryTiming =
1959	hHDMI->AttachedEDID.Block[offset + EDID_DESC_TIMING_FORMULA] ;
1960
1961	BKNI_Memcpy(hHDMI->AttachedEDID.MonitorRange.SecondaryTimingParameters,
1962	&hHDMI->AttachedEDID.Block[offset + EDID_DESC_TIMING_FORMULA + 1], 7) ;
1963
1964	#if BDBG_DEBUG_BUILD
1965	/* Display DEBUG Messages */
1966	BDBG_MSG(("Min - Max Vertical: %d - %d Hz",
1967	hHDMI->AttachedEDID.MonitorRange.MinVertical, hHDMI->AttachedEDID.MonitorRange.MaxVertical)) ;
1968
1969	BDBG_MSG(("Min - Max Horizontal: %d - %d kHz",
1970	hHDMI->AttachedEDID.MonitorRange.MinHorizontal, hHDMI->AttachedEDID.MonitorRange.MaxHorizontal)) ;
1971
1972	BDBG_MSG(("Max Pixel Clock %d MHz", hHDMI->AttachedEDID.MonitorRange.MaxPixelClock)) ;
1973
1974	#if 0
1975	/* Display More DEBUG messages for Timing Support */
1976	switch (hHDMI->AttachedEDID.MonitorRange.SecondaryTiming)
1977	{
1978	case 0x00 : BDBG_MSG(("No Timing Formula Support")) ; break ;
1979	case 0x02 : BDBG_MSG(("Secondary GTF curve supported")) ; break ;
1980	default : BDBG_MSG(("Other secondary timing formula")) ;
1981	}
1982	#endif
1983	BDBG_MSG(("[END Monitor Range Descriptor]")) ; /* add a blank line */
1984	#endif
1985
1986	return rc ;
1987	}
1988
1989
1990
1991	/******************************************************************************
1992	BERR_Code BHDM_EDID_GetMonitorRange
1993	Summary: Retrieve the monitor ranges supported as specified in the EDID
1994	*******************************************************************************/
1995	BERR_Code BHDM_EDID_GetMonitorRange(
1996	BHDM_Handle hHDMI, /* [in] HDMI handle */
1997	BHDM_EDID_MonitorRange pMonitorRange / [out] pointer to BHDM_EDID_MonitorRange
1998	to hold the retrieved data */
1999	)
2000	{
2001	BERR_Code rc = BERR_SUCCESS ;
2002	uint8_t RxDeviceAttached ;
2003
2004	BDBG_ENTER(BHDM_EDID_GetMonitorRange) ;
2005
2006	/* make sure HDMI Cable is connected to something... */
2007	BHDM_CHECK_RC(rc, BHDM_RxDeviceAttached(hHDMI, &RxDeviceAttached));
2008	if (!RxDeviceAttached)
2009	{
2010	return BHDM_NO_RX_DEVICE ;
2011	}
2012
2013	if (hHDMI->AttachedEDID.MonitorRange.MinVertical == 0)
2014	return BHDM_EDID_NOT_IMPLEMENTED ;
2015
2016	if (hHDMI->edidStatus == BHDM_EDID_STATE_eInvalid) {
2017	return BHDM_EDID_NOT_FOUND;
2018	}
2019
2020	BKNI_Memcpy(pMonitorRange, &hHDMI->AttachedEDID.MonitorRange, sizeof(BHDM_EDID_MonitorRange)) ;
2021
2022	done:
2023	BDBG_LEAVE(BHDM_EDID_GetMonitorRange) ;
2024	return rc ;
2025	} /* BHDM_EDID_GetMonitorRange */
2026
2027
2028
2029	/******************************************************************************
2030	BERR_Code BHDM_EDID_IsRxDeviceHdmi
2031	Summary: Retrieve the Vendor Specific Data Block from the first Version 3 Timing
2032	Extension in the EDID
2033	*******************************************************************************/
2034	BERR_Code BHDM_EDID_IsRxDeviceHdmi(
2035	BHDM_Handle hHDMI, /* [in] HDMI handle */
2036	BHDM_EDID_RxVendorSpecificDB RxVSDB, / [out] pointer to Vendor Specific Data
2037	Block to hold the retrieved data */
2038	bool *bHdmiDevice
2039	)
2040	{
2041	uint8_t RxDeviceAttached ;
2042	BERR_Code rc = BERR_SUCCESS ;
2043
2044
2045	BDBG_ENTER(BHDM_EDID_IsRxDeviceHdmi) ;
2046
2047	BKNI_Memset(RxVSDB, 0, sizeof(BHDM_EDID_RxVendorSpecificDB)) ;
2048
2049
2050	bHdmiDevice = false ; / assume device is not HDMI */
2051
2052	/* make sure HDMI Cable is connected to something... */
2053	BHDM_CHECK_RC(rc, BHDM_RxDeviceAttached(hHDMI, &RxDeviceAttached));
2054	if (!RxDeviceAttached)
2055	{
2056	rc = BHDM_NO_RX_DEVICE ;
2057	goto done ;
2058	}
2059
2060	#if BDBG_DEBUG_BUILD
2061	if (hHDMI->DeviceSettings.BypassEDIDChecking)
2062	{
2063	BDBG_WRN(("EDID is ByPassed; Assuming DVI monitor attached")) ;
2064	goto done ;
2065	}
2066	#endif
2067
2068	if (hHDMI->edidStatus == BHDM_EDID_STATE_eInvalid) {
2069	BDBG_WRN(("No Valid EDID Found. Default to DVI Device"));
2070	goto done;
2071	}
2072
2073	*bHdmiDevice = hHDMI->AttachedEDID.RxHasHdmiSupport ;
2074	if (!*bHdmiDevice)
2075	goto done ;
2076
2077	/* EDID processed at initialization; copy information */
2078	BKNI_Memcpy(RxVSDB, &hHDMI->AttachedEDID.RxVSDB, sizeof(BHDM_EDID_RxVendorSpecificDB)) ;
2079
2080
2081	#if BDBG_DEBUG_BUILD
2082	if (hHDMI->edidStatus == BHDM_EDID_STATE_eInitialize)
2083	{
2084	BDBG_MSG(("HDMI Rx Supported Features (%#x):", RxVSDB)) ;
2085	BDBG_MSG(("\tUnderscan: %s", g_status[RxVSDB->Underscan ? 1 : 0])) ;
2086	BDBG_MSG(("\tAudio Caps: %s", g_status[RxVSDB->Audio ? 1 : 0])) ;
2087	BDBG_MSG(("\tYCbCr: 4:2:2 %s 4:4:4 %s",
2088	g_status[RxVSDB->YCbCr422 ? 1 : 0],
2089	g_status[RxVSDB->YCbCr444 ? 1 : 0])) ;
2090
2091	BDBG_MSG(("\tNative Formats in Descriptors: %d",
2092	RxVSDB->NativeFormatsInDescriptors)) ;
2093
2094	BDBG_MSG(("END HDMI Rx Supported Features")) ;
2095	hHDMI->edidStatus = BHDM_EDID_STATE_eProcessing ;
2096	}
2097	#endif
2098
2099
2100	done:
2101	BDBG_LEAVE(BHDM_EDID_IsRxDeviceHdmi) ;
2102	return rc ;
2103	} /* BHDM_EDID_IsRxDeviceHdmi */
2104
2105
2106
2107	/******************************************************************************
2108	BERR_Code BHDM_EDID_CheckRxHdmiAudioSupport
2109	Summary: Check if the input Audio Format is supported by the attached HDMI
2110	Receiver
2111	*******************************************************************************/
2112	BERR_Code BHDM_EDID_CheckRxHdmiAudioSupport(
2113	BHDM_Handle hHDMI, /* [in] HDMI handle */
2114	BAVC_AudioFormat eAudioFormat, /* [in] Audio Format */
2115	BAVC_AudioSamplingRate eAudioSamplingRate, /* [in] Audio Rate to check for */
2116	BAVC_AudioBits eAudioBits, /* [in] Quantization Bits to search for */
2117	uint16_t iCompressedBitRate, /* [in] Bit Rate if Compressed Audio */
2118	uint8_t iSupported / [out] audio format is supported */
2119	)
2120	{
2121	BERR_Code rc = BERR_SUCCESS ;
2122
2123	uint8_t
2124	i,
2125	FormatFound,
2126	EdidAudioSamplingRate,
2127	EdidAudioBits,
2128	EdidMaxCompressedBitRate ;
2129
2130	uint8_t RxDeviceAttached ;
2131
2132	BDBG_ENTER(BHDM_EDID_CheckRxHdmiAudioSupport) ;
2133
2134	*iSupported = 0 ;
2135
2136	/* make sure HDMI Cable is connected to something... */
2137	BHDM_CHECK_RC(rc, BHDM_RxDeviceAttached(hHDMI, &RxDeviceAttached));
2138	if (!RxDeviceAttached)
2139	{
2140	return BHDM_NO_RX_DEVICE ;
2141	}
2142
2143	if (hHDMI->edidStatus == BHDM_EDID_STATE_eInvalid) {
2144	return BHDM_EDID_NOT_FOUND;
2145	}
2146
2147	/* 1st check for requested format */
2148	if(!hHDMI->AttachedEDID.BcmSupportedAudioFormats[eAudioFormat].Supported)
2149	goto done ;
2150
2151	/**********************************************/
2152	/* 2nd, Check for requested Audio Sample Rate */
2153	/* convert the BAVC_AudioSampleRate to EdidAudioSampleRate */
2154
2155	EdidAudioSamplingRate = BAVC_AudioSamplingRate_eUnknown ;
2156	for (i = 0; i < sizeof(EdidAudioSampleRateTable) / sizeof(*EdidAudioSampleRateTable) ; i++)
2157	if (eAudioSamplingRate == EdidAudioSampleRateTable[i].BcmAudioSampleRate)
2158	{
2159	EdidAudioSamplingRate = EdidAudioSampleRateTable[i].EdidAudioSampleRate ;
2160	break ;
2161	}
2162
2163	if (EdidAudioSamplingRate == BAVC_AudioSamplingRate_eUnknown)
2164	goto done ;
2165
2166	if (!(EdidAudioSamplingRate
2167	& hHDMI->AttachedEDID.BcmSupportedAudioFormats[i].ucCeaSampleRates))
2168	goto done ;
2169
2170
2171	/********************************************************/
2172	/* 3rd, Get the number of Audio Bits (quantization) the */
2173	/* monitor supports for the requested Audio Format etc */
2174
2175
2176	EdidAudioBits =
2177	hHDMI->AttachedEDID.BcmSupportedAudioFormats[i].ucCeaNBits_BitRate ;
2178
2179	FormatFound = 0 ;
2180	/* get the number of bits supported by this format */
2181	if (eAudioFormat != BAVC_AudioFormat_ePCM) /* compressed */
2182	{ /* formats */
2183	/* Max Bit Rate = EdidAudioBits * 8 */
2184	EdidMaxCompressedBitRate = EdidAudioBits * 8 ;
2185	if (iCompressedBitRate <= EdidMaxCompressedBitRate)
2186	{
2187	BDBG_MSG(("<%.*s> Max Bit Rate Supported: %d",
2188	BHDM_EDID_DESC_ASCII_STRING_LEN, hHDMI->AttachedEDID.MonitorName,
2189	EdidMaxCompressedBitRate)) ;
2190	FormatFound = 1 ;
2191	}
2192	} /* if compressed formats */
2193	else /* uncompressed */
2194	{ /* PCM */
2195	if (EdidAudioBits & 0x01) EdidAudioBits = 16 ;
2196	else if (EdidAudioBits & 0x02) EdidAudioBits = 20 ;
2197	else if (EdidAudioBits & 0x04) EdidAudioBits = 24 ;
2198	else
2199	{
2200	BDBG_WRN(("Unknown Supported Bit Rate")) ;
2201	rc = BHDM_EDID_HDMI_UNKNOWN_BIT_RATE ;
2202	goto done ;
2203	}
2204
2205	/* check if the number of bits matches the requested value */
2206	if (eAudioBits == BAVC_AudioBits_e16) FormatFound = (EdidAudioBits == 16) ;
2207	else if (eAudioBits == BAVC_AudioBits_e20) FormatFound = (EdidAudioBits == 20) ;
2208	else if (eAudioBits == BAVC_AudioBits_e24) FormatFound = (EdidAudioBits == 24) ;
2209	} /* else uncompressed formats */
2210
2211
2212	if (FormatFound)
2213	*iSupported = 1 ;
2214
2215	done:
2216	BDBG_LEAVE(BHDM_EDID_CheckRxHdmiAudioSupport) ;
2217	return rc ;
2218	} /* BHDM_EDID_CheckRxHdmiAudioSupport */
2219
2220
2221
2222	/******************************************************************************
2223	BERR_Code BHDM_EDID_CheckRxHdmiVideoSupport
2224	Summary: Check if the input Audio Format is supported by the attached HDMI
2225	Receiver
2226	*******************************************************************************/
2227	BERR_Code BHDM_EDID_CheckRxHdmiVideoSupport(
2228	BHDM_Handle hHDMI, /* [in] HDMI handle */
2229	uint16_t HorizontalPixels, /* [in] Horiz Active Pixels */
2230	uint16_t VerticalPixels, /* [in] Vertical Active Pixels */
2231	BAVC_ScanType eScanType, /* [in] Progressive, Interlaced */
2232	BAVC_FrameRateCode eFrameRateCode, /* [in] Vertical Frequency */
2233	BFMT_AspectRatio eAspectRatio, /* [in] Horiz to Vertical Ratio */
2234	uint8_t pNativeFormat / [out] Requested format is a
2235	native format to the monitor */
2236	)
2237	{
2238	BERR_Code rc = BHDM_EDID_HDMI_VIDEO_FORMAT_UNSUPPORTED ;
2239
2240	uint8_t
2241	i, j, k, /* indexes */
2242	extensions,
2243	DataOffset,
2244	DataBlockIndex,
2245	DataBlockTag,
2246	DataBlockLength,
2247	FormatFound,
2248	NumVideoDescriptors,
2249	EdidVideoIDCode ;
2250
2251	uint8_t RxDeviceAttached ;
2252
2253	BDBG_ENTER(BHDM_EDID_CheckRxHdmiVideoSupport) ;
2254
2255
2256	/* make sure HDMI Cable is connected to something... */
2257	BHDM_CHECK_RC(rc, BHDM_RxDeviceAttached(hHDMI, &RxDeviceAttached));
2258	if (!RxDeviceAttached)
2259	{
2260	return BHDM_NO_RX_DEVICE ;
2261	}
2262
2263	if (hHDMI->edidStatus == BHDM_EDID_STATE_eInvalid) {
2264	return BHDM_EDID_NOT_FOUND;
2265	}
2266
2267	/* first get the number of extensions in the EDID */
2268	/* audio support is always in first V3 Timing Extension; never in block 0 */
2269	extensions = hHDMI->AttachedEDID.BasicData.Extensions ;
2270
2271	if (!extensions)
2272	{
2273	BDBG_WRN(("No EDID Extensions Found... No HDMI Support")) ;
2274	rc = BHDM_EDID_HDMI_VIDEO_FORMAT_UNSUPPORTED ;
2275	goto done ;
2276	}
2277
2278	/* check ALL extensions for Version 3 Timing Extensions */
2279	for (i = 1 ; i <= extensions; i++)
2280	{
2281	if (hHDMI->edidStatus != BHDM_EDID_STATE_eOK)
2282	{
2283	BHDM_CHECK_RC(rc,
2284	BHDM_EDID_GetNthBlock(hHDMI, i, (uint8_t *) &hHDMI->AttachedEDID.Block, BHDM_EDID_BLOCKSIZE)) ;
2285	}
2286
2287	/* check for Timing Data Extension */
2288	if (hHDMI->AttachedEDID.Block[BHDM_EDID_EXT_TAG] != BHDM_EDID_EXT_TIMING_DATA)
2289	continue ;
2290
2291	/* check for Version 3 Timing Data Extension */
2292	if (hHDMI->AttachedEDID.Block[BHDM_EDID_EXT_VERSION] != BHDM_EDID_TIMING_VERSION_3)
2293	continue ;
2294
2295
2296	BDBG_MSG(("V3 Timing Extension found in EDID Extension #%d", i)) ;
2297
2298	/* check if data blocks exist before the 18 Byte Detailed Timing data */
2299	DataOffset = hHDMI->AttachedEDID.Block[BHDM_EDID_EXT_DATA_OFFSET] ;
2300	if ((DataOffset == 0)
2301	\|\| (DataOffset == 4)) /* no Reserved Data is Available */
2302	{
2303	BDBG_MSG(("-----V3 Timing Extension contains no CEA Data Blocks")) ;
2304	continue ; /* continue to the next Timing Extension */
2305	}
2306	BDBG_MSG(("-----CEA Data Blocks found in V3 Timing Extension")) ;
2307
2308
2309	/* set the index to the start of Data Blocks */
2310	DataBlockIndex = BHDM_EDID_EXT_DATA_BLOCK_COLLECTION ;
2311
2312	/* scan through the data blocks and retrieve the necessary information */
2313	while (DataBlockIndex < DataOffset)
2314	{
2315	/* get the Data Block type */
2316	DataBlockTag =
2317	hHDMI->AttachedEDID.Block[DataBlockIndex] >> 5 ;
2318
2319	/* get the Data Block length */
2320	DataBlockLength =
2321	hHDMI->AttachedEDID.Block[DataBlockIndex] & 0x1F ;
2322
2323	BDBG_MSG(("\n[%02X] CEA-861 %s (0x%02x) found; %d bytes",
2324	hHDMI->AttachedEDID.Block[DataBlockIndex],
2325	CeaTagName[DataBlockTag], DataBlockTag, DataBlockLength)) ;
2326
2327	switch (DataBlockTag)
2328	{
2329
2330	/* return error on unknown Tags */
2331	default :
2332	BDBG_WRN(("\nCEA-861 Data Block Tag Code <%d> is not supported",
2333	DataBlockTag)) ;
2334	rc = BHDM_EDID_HDMI_UNKNOWN_CEA_TAG ;
2335	goto done ;
2336
2337	/* skip Block Tags that are of no interest to this function */
2338	case BHDM_EDID_CeaDataBlockTag_eVSDB : /* Vendor Specific DB */
2339	case BHDM_EDID_CeaDataBlockTag_eAudioDB : /* Audio DB */
2340	case BHDM_EDID_CeaDataBlockTag_eSpeakerDB : /* Speaker Allocation DB */
2341	case BHDM_EDID_CeaDataBlockTag_eReserved0 :
2342	case BHDM_EDID_CeaDataBlockTag_eReserved5 :
2343	case BHDM_EDID_CeaDataBlockTag_eReserved6 :
2344	case BHDM_EDID_CeaDataBlockTag_eExtendedDB:
2345	break ;
2346
2347	case BHDM_EDID_CeaDataBlockTag_eVideoDB : /* Video DB */
2348	/* check each video descriptor for requested video support */
2349
2350	FormatFound = 0 ;
2351	NumVideoDescriptors = DataBlockLength ;
2352
2353	/* for each CEA Video ID Code Found */
2354	for (j = 0 ; j < NumVideoDescriptors && !FormatFound ; j++ )
2355	{
2356	/* get the supported Video Code ID; check if a native format */
2357	EdidVideoIDCode = hHDMI->AttachedEDID.Block[DataBlockIndex + j + 1] ;
2358	EdidVideoIDCode = EdidVideoIDCode & 0x7F ;
2359
2360	*pNativeFormat = EdidVideoIDCode & 0x80 ;
2361
2362	BDBG_MSG(("Find CEA Video ID Code %02d parameters...",
2363	EdidVideoIDCode)) ;
2364
2365	/* search BCM 861-B supported formats for format found in EDID */
2366	for (k = 0 ; k < BHDM_EDID_P_BCM_VIDEO_FORMATS_MAX ; k++)
2367	{
2368	if (EdidVideoIDCode != BHDM_EDID_P_Cea861bFormats[k].CeaVideoCode)
2369	continue ;
2370
2371	BDBG_MSG(("Found supported CEA Video ID Code: %02d (%d x %d)",
2372	EdidVideoIDCode,
2373	BHDM_EDID_P_Cea861bFormats[k].HorizontalPixels,
2374	BHDM_EDID_P_Cea861bFormats[k].VerticalPixels)) ;
2375
2376	/* check if the specified parameters match the requested formats */
2377	/* 1st, Check if Pixel Format matches */
2378	if ((HorizontalPixels != BHDM_EDID_P_Cea861bFormats[k].HorizontalPixels)
2379	\|\| (VerticalPixels != BHDM_EDID_P_Cea861bFormats[k].VerticalPixels))
2380	break ;
2381	BDBG_MSG(("Pixel Format Match")) ;
2382
2383
2384	/* 2nd, Check Scan Type (i/p) */
2385	if (eScanType != BHDM_EDID_P_Cea861bFormats[k].eScanType)
2386	break ;
2387	BDBG_MSG(("Scan Type Match..")) ;
2388
2389
2390	/* 3rd, Check Vertical Frequency */
2391	if (eFrameRateCode != BHDM_EDID_P_Cea861bFormats[k].eFrameRateCode)
2392	break ;
2393	BDBG_MSG(("Frame Rate Match..")) ;
2394
2395
2396	/* 4th Check Aspect Ratio (4:3, 16:9) etc. */
2397	if (eAspectRatio != BHDM_EDID_P_Cea861bFormats[k].eAspectRatio)
2398	break ;
2399
2400	BDBG_MSG(("Requested format is supported..")) ;
2401	rc = BERR_SUCCESS ;
2402	goto done ;
2403	} /* for each BCM Supported CEA Video ID Code */
2404	} /* for each Supported CEA Video ID Code */
2405	} /* for each CEA Video ID Code found */
2406
2407
2408	DataBlockIndex += DataBlockLength + 1;
2409
2410	} /* while DataBlockIndex < DataOffset */
2411
2412	} /* for each extension */
2413
2414	rc = BHDM_EDID_HDMI_VIDEO_FORMAT_UNSUPPORTED ;
2415
2416	done:
2417	BDBG_LEAVE(BHDM_EDID_CheckRxHdmiVideoSupport) ;
2418	return rc ;
2419	} /* BHDM_EDID_CheckRxHdmiVideoSupport */
2420
2421
2422
2423	/******************************************************************************
2424	BERR_Code BHDM_EDID_VideoFmtSupported
2425	Summary: Check if the requested VideoFmt is supported by the attached HDMI Rx
2426	*******************************************************************************/
2427	BERR_Code BHDM_EDID_VideoFmtSupported(
2428	BHDM_Handle hHDMI, /* [in] HDMI handle */
2429	BFMT_VideoFmt eVideoFmt, /* requested video format */
2430	uint8_t Supported / [out] true/false Requested format is
2431	supported by the monitor */
2432	)
2433	{
2434	BERR_Code rc = BERR_SUCCESS ;
2435	const BFMT_VideoInfo *pVideoFormatInfo ;
2436	uint8_t RxDeviceAttached ;
2437
2438	BDBG_ENTER(BHDM_EDID_VideoFmtSupported) ;
2439
2440	/* default to format not supported */
2441	*Supported = 0 ;
2442
2443	BHDM_CHECK_RC(rc, BHDM_RxDeviceAttached(hHDMI, &RxDeviceAttached));
2444	if (!RxDeviceAttached)
2445	goto done ;
2446
2447	#if BDBG_DEBUG_BUILD
2448	if (hHDMI->DeviceSettings.BypassEDIDChecking)
2449	{
2450	*Supported = 1 ;
2451	BDBG_WRN(("EDID is ByPassed; all formats will attempt to display")) ;
2452	goto done ;
2453	}
2454	#endif
2455
2456	if (hHDMI->edidStatus == BHDM_EDID_STATE_eInvalid) {
2457	rc = BHDM_EDID_NOT_FOUND;
2458	goto error;
2459	}
2460
2461	pVideoFormatInfo = BFMT_GetVideoFormatInfoPtr(eVideoFmt) ;
2462
2463	if (hHDMI->AttachedEDID.BcmVideoFormatsChecked == 0)
2464	{
2465	rc = BHDM_EDID_VIDEO_FORMATS_UNAVAILABLE ;
2466	goto error ;
2467	}
2468
2469	if (hHDMI->AttachedEDID.BcmSupportedVideoFormats[eVideoFmt])
2470	{
2471	*Supported = 1 ;
2472	goto done;
2473	}
2474	else
2475	{
2476	/* Warn the format is not supported */
2477	BDBG_WRN(("%-30s %4d x %4d %c NOT SUPPORTED by attached <%.13s> receiver",
2478	pVideoFormatInfo->pchFormatStr,
2479	pVideoFormatInfo->ulDigitalWidth, pVideoFormatInfo->ulDigitalHeight,
2480	Mode[pVideoFormatInfo->bInterlaced],
2481	hHDMI->AttachedEDID.MonitorName)) ;
2482	goto done;
2483	}
2484
2485	error:
2486	if (eVideoFmt == BFMT_VideoFmt_eDVI_640x480p) {
2487
2488	BDBG_MSG(("Can't find/read EDID. Assume HDMI receiver supports VGA (640x480p)"));
2489	*Supported = 1;
2490	rc = BERR_SUCCESS;
2491	}
2492
2493	done:
2494	BDBG_LEAVE(BHDM_EDID_VideoFmtSupported) ;
2495	return rc ;
2496	} /* BHDM_EDID_VideoFmtSupported */
2497
2498
2499	BERR_Code BHDM_EDID_P_GetVerticalFrequency(
2500	uint32_t ulVertFreqMask, uint16_t *uiVerticalFrequency)
2501	{
2502	BERR_Code rc = BERR_SUCCESS ;
2503	uint8_t i ;
2504
2505	static const struct {
2506	uint32_t ulVertFreqMask ;
2507	uint32_t uiVerticalFrequency ;
2508	} VerticalFrequencies[] =
2509	{
2510	{BFMT_VERT_50Hz, 50},
2511	{BFMT_VERT_59_94Hz, 59},
2512	{BFMT_VERT_60Hz, 60},
2513
2514	{BFMT_VERT_59_94Hz \| BFMT_VERT_60Hz, 60},
2515	{BFMT_VERT_50Hz \| BFMT_VERT_59_94Hz \| BFMT_VERT_60Hz, 60},
2516
2517	{BFMT_VERT_66Hz, 66},
2518	{BFMT_VERT_70Hz, 70},
2519	{BFMT_VERT_72Hz, 72},
2520	{BFMT_VERT_75Hz, 75},
2521	{BFMT_VERT_85Hz, 85},
2522
2523	{BFMT_VERT_23_976Hz, 23},
2524	{BFMT_VERT_24Hz, 24},
2525	{BFMT_VERT_23_976Hz \| BFMT_VERT_24Hz, 24},
2526
2527	{BFMT_VERT_25Hz, 25},
2528
2529	{BFMT_VERT_29_97Hz, 29},
2530	{BFMT_VERT_30Hz, 30},
2531	{BFMT_VERT_29_97Hz \| BFMT_VERT_30Hz, 30},
2532	};
2533
2534	for (i=0; i < sizeof(VerticalFrequencies) / sizeof(*VerticalFrequencies); i++)
2535	{
2536	if (ulVertFreqMask & VerticalFrequencies[i].ulVertFreqMask)
2537	{
2538	*uiVerticalFrequency = VerticalFrequencies[i].uiVerticalFrequency ;
2539	return rc ;
2540	}
2541	}
2542
2543	BDBG_WRN(("Unknown Vertical Frequency Mask %#08X; using 60", ulVertFreqMask)) ;
2544	*uiVerticalFrequency = 60 ;
2545
2546	return rc ;
2547	}
2548
2549
2550	/******************************************************************************
2551	Summary:
2552	Parse the Established Timings to check for CEA 861 B video formats
2553	*******************************************************************************/
2554	static BERR_Code BHDM_EDID_P_ParseEstablishedTimingFormats(
2555	BHDM_Handle hHDMI /* [in] HDMI handle */
2556	)
2557	{
2558	BERR_Code rc = BERR_SUCCESS ;
2559	uint8_t EstablishedTimings ;
2560
2561	#if BDBG_DEBUG_BUILD
2562	uint8_t i ;
2563	static char *EstablishedTimingsIText[8] =
2564	{
2565	"800 x 600 @ 60Hz VESA",
2566	"800 x 600 @ 56Hz VESA",
2567	"640 x 480 @ 75Hz VESA",
2568	"640 x 480 @ 72Hz VESA",
2569	"640 x 480 @ 67Hz Apple, Mac II",
2570	"640 x 480 @ 60Hz IBM, VGA",
2571	"720 x 400 @ 88Hz IBM, XGA2",
2572	"720 x 400 @ 70Hz IBM, VGA"
2573	} ;
2574
2575	static char *EstablishedTimingsIIText[8] =
2576	{
2577	"1280 x 1024 @ 75Hz VESA",
2578	"1024 x 768 @ 75Hz VESA",
2579	"1024 x 768 @ 70Hz VESA",
2580	"1024 x 768 @ 60Hz VESA",
2581	"1024 x 768 @ 87Hz(I) IBM",
2582	"832 x 624 @ 75Hz Apple, Mac II",
2583	"800 x 600 @ 75Hz VESA",
2584	"800 x 600 @ 72Hz VESA"
2585	} ;
2586	#endif
2587
2588	/* assumes current block is 0 */
2589
2590	/* ESTABLISHED #1 */
2591
2592
2593	EstablishedTimings = hHDMI->AttachedEDID.Block[BHDM_EDID_ESTABLISHED_TIMINGS1] ;
2594	#if BDBG_DEBUG_BUILD
2595	if (!EstablishedTimings)
2596	goto CheckEstablishTiming2 ;
2597
2598	BDBG_MSG(("Monitor Established Timings I (%#02x)", EstablishedTimings)) ;
2599	for (i = 0 ;i < 8; i++)
2600	{
2601	if (EstablishedTimings & (1 << i))
2602	BDBG_MSG(("%s", EstablishedTimingsIText[i])) ;
2603	}
2604	#endif
2605
2606	if (EstablishedTimings & BHDM_EDID_ESTABLISHED_TIMINGS_1_640x480_60HZ)
2607	{
2608	BDBG_MSG(("Found BCM Supported 640x480p")) ;
2609	hHDMI->AttachedEDID.BcmSupportedVideoFormats[BFMT_VideoFmt_eDVI_640x480p] = true ;
2610	}
2611
2612	if (EstablishedTimings & BHDM_EDID_ESTABLISHED_TIMINGS_1_800x600_60HZ)
2613	{
2614	BDBG_MSG(("Found BCM Supported 800x600p")) ;
2615	hHDMI->AttachedEDID.BcmSupportedVideoFormats[BFMT_VideoFmt_eDVI_800x600p] = true ;
2616	}
2617
2618
2619	#if BDBG_DEBUG_BUILD
2620	CheckEstablishTiming2 :
2621	#endif
2622	/* ESTABLISHED #2 */
2623	EstablishedTimings = hHDMI->AttachedEDID.Block[BHDM_EDID_ESTABLISHED_TIMINGS2] ;
2624	if (!EstablishedTimings)
2625	goto done ;
2626	#if BDBG_DEBUG_BUILD
2627	BDBG_MSG(("Monitor Established Timings II (%#02x)", EstablishedTimings)) ;
2628	for (i = 0 ;i < 8; i++)
2629	{
2630	if (EstablishedTimings & (1 << i))
2631	BDBG_MSG(("%s", EstablishedTimingsIIText[i])) ;
2632	}
2633	#endif
2634
2635	if (EstablishedTimings & BHDM_EDID_ESTABLISHED_TIMINGS_2_1024x768_60HZ)
2636	{
2637	BDBG_MSG(("Found BCM Supported 1024x768p")) ;
2638	hHDMI->AttachedEDID.BcmSupportedVideoFormats[BFMT_VideoFmt_eDVI_1024x768p] = true ;
2639	}
2640
2641	done:
2642	/* indicate formats have been checked */
2643	hHDMI->AttachedEDID.BcmVideoFormatsChecked = 1 ;
2644	return rc ;
2645	}
2646
2647
2648	/******************************************************************************
2649	Summary:
2650	Return all CEA 861 B video formats supported by the attached monitor as
2651	sepecified in the V3 Timing Ext Video Data Block.
2652	*******************************************************************************/
2653	BERR_Code BHDM_EDID_P_ParseVideoDB(
2654	BHDM_Handle hHDMI, /* [in] HDMI handle */
2655	uint8_t DataBlockIndex, /* [in] start offset of Video Data Block */
2656	uint8_t DataBlockLength /* [in] length (number) of Video ID codes */
2657	)
2658	{
2659	BERR_Code rc = BERR_SUCCESS ;
2660	const BFMT_VideoInfo *pVideoFormatInfo ;
2661	uint8_t
2662	j, k, l, /* indexes */
2663	NumVideoDescriptors,
2664	EdidVideoIDCode,
2665	NativeFormat,
2666	LastIdAdded,
2667	SupportedIdCount ;
2668
2669	BFMT_VideoFmt eVideoFmt ;
2670	uint16_t temp ;
2671	uint16_t tempH;
2672	BHDM_EDID_P_VideoDescriptor *pVideoDescriptor = NULL ;
2673
2674
2675	/* indicate formats have been checked */
2676	hHDMI->AttachedEDID.BcmVideoFormatsChecked = 1 ;
2677
2678	/* set the number of video descriptors to look at */
2679	NumVideoDescriptors = DataBlockLength ;
2680
2681	LastIdAdded = 0 ;
2682	SupportedIdCount = 0 ;
2683
2684	#if BHDM_CONFIG_HDMI_3D_SUPPORT
2685	hHDMI->AttachedEDID.First16VideoDescriptorsMask = 0;
2686	#endif
2687
2688	/* for each CEA Video ID Code Found */
2689	BDBG_MSG(("<%s> CEA-861 Supported Video Formats (%d):",
2690	hHDMI->AttachedEDID.MonitorName, NumVideoDescriptors)) ;
2691
2692	for (j = 0 ; j < NumVideoDescriptors ; j++ )
2693	{
2694	/* get the supported Video Code ID; check if a native format */
2695	EdidVideoIDCode = hHDMI->AttachedEDID.Block[DataBlockIndex + j + 1] ;
2696	NativeFormat = (EdidVideoIDCode & 0x80) ? 1 : 0 ;
2697	EdidVideoIDCode = EdidVideoIDCode & 0x7F ;
2698
2699
2700	/* search BCM 861-B supported formats for format found in EDID */
2701	for (k = 0 ; k < BHDM_EDID_P_BCM_VIDEO_FORMATS_MAX ; k++)
2702	{
2703	/* find the retrieved Video ID Code in our table */
2704	if (EdidVideoIDCode != BHDM_EDID_P_Cea861bFormats[k].CeaVideoCode)
2705	continue ;
2706
2707	/* a BCM supported Video ID code has been found; add it to our list */
2708	/* since this is a loop make sure it is added only once */
2709
2710	#if BHDM_CONFIG_HDMI_3D_SUPPORT
2711	BDBG_MSG(("Found BCM supported CEA-861 Video ID: %02d (%s)",
2712	EdidVideoIDCode,
2713	(char *) BAVC_HDMI_AviInfoFrame_VideoIdCodeToStr(EdidVideoIDCode))) ;
2714
2715	/* Set the support mask for the first 16 video descriptors for later use on parsing 3D support */
2716	if (j < 16)
2717	hHDMI->AttachedEDID.First16VideoDescriptorsMask \|= (uint16_t) (1 << j);
2718	#endif
2719
2720
2721	if (LastIdAdded != EdidVideoIDCode)
2722	{
2723	pVideoDescriptor = (BHDM_EDID_P_VideoDescriptor *)
2724	BKNI_Malloc(sizeof(BHDM_EDID_P_VideoDescriptor )) ;
2725	if (pVideoDescriptor == NULL)
2726	{
2727	rc = BERR_TRACE(BERR_OUT_OF_DEVICE_MEMORY);
2728	return rc;
2729	}
2730	pVideoDescriptor->VideoIdCode = EdidVideoIDCode ;
2731	pVideoDescriptor->NativeFormat = NativeFormat ;
2732
2733	BLST_Q_INSERT_TAIL(&hHDMI->AttachedEDID.VideoDescriptorList, pVideoDescriptor, link) ;
2734
2735	/* add Video Id code to supported list for GetVideoInfo */
2736	hHDMI->AttachedEDID.BcmSupportedVideoIdCodes[SupportedIdCount++] = EdidVideoIDCode ;
2737
2738	#if BHDM_CONFIG_HDMI_3D_SUPPORT
2739	hHDMI->AttachedEDID.NumBcmSupportedVideoDescriptors++;
2740	#endif
2741	}
2742
2743	/* adjust pixel repeat formats if necessary */
2744	if ((BHDM_EDID_P_Cea861bFormats[k].HorizontalPixels == 1440) \|\|
2745	(BHDM_EDID_P_Cea861bFormats[k].HorizontalPixels == 2880))
2746	tempH = 720 ;
2747	else
2748	tempH = BHDM_EDID_P_Cea861bFormats[k].HorizontalPixels ;
2749
2750	/* set all matching BFMT_VideoFmts as supported */
2751	for (l = 0; l < BFMT_VideoFmt_eMaxCount; l++)
2752	{
2753	/* no longer skip the already supported formats; since the corresponding
2754	BCM_VideoFmt has to also be added to the VideoIdCode structure */
2755
2756	eVideoFmt = (BFMT_VideoFmt) l ;
2757	pVideoFormatInfo = BFMT_GetVideoFormatInfoPtr(eVideoFmt) ;
2758	if (!pVideoFormatInfo)
2759	continue;
2760
2761	/* Skip 3D formats */
2762	if (BFMT_IS_3D_MODE(eVideoFmt)) {
2763	continue;
2764	}
2765
2766	/* check if the specified parameters match the requested formats */
2767	/* 1st, Check if Pixel Format matches */
2768
2769	if ((pVideoFormatInfo->ulDigitalWidth != tempH)
2770	\|\| (pVideoFormatInfo->ulDigitalHeight != BHDM_EDID_P_Cea861bFormats[k].VerticalPixels))
2771	{
2772	#if 0
2773	BDBG_MSG(("BFMT%d %d x %d <> %d x %d", l,
2774	pVideoFormatInfo->ulDigitalWidth, pVideoFormatInfo->ulDigitalHeight,
2775	tempH, BHDM_EDID_P_Cea861bFormats[k].VerticalPixels)) ;
2776	#endif
2777	continue ;
2778	}
2779
2780	/* 2nd, Check Scan Type (i/p) */
2781	if (pVideoFormatInfo->bInterlaced !=
2782	(BAVC_ScanType_eInterlaced == BHDM_EDID_P_Cea861bFormats[k].eScanType))
2783	continue ;
2784
2785	/* use the BFMT frequency parameter to get the Vertical Frequency */
2786	/* Ignore rc; default of 60Hz will be used for unknown Frequency */
2787	BHDM_EDID_P_GetVerticalFrequency(
2788	pVideoFormatInfo->ulVertFreqMask, &temp) ;
2789
2790	/* 3rd check the 861 vertical frequency matches the BCM format */
2791	if ((temp == 59) \|\| (temp == 60))
2792	{
2793	if ((BHDM_EDID_P_Cea861bFormats[k].eFrameRateCode != BAVC_FrameRateCode_e59_94)
2794	&& (BHDM_EDID_P_Cea861bFormats[k].eFrameRateCode != BAVC_FrameRateCode_e60))
2795	continue ;
2796	}
2797	else if ((temp == 50)
2798	&& (BHDM_EDID_P_Cea861bFormats[k].eFrameRateCode != BAVC_FrameRateCode_e50))
2799	continue ;
2800
2801	else if (((temp == 23) \|\| (temp == 24))
2802	&& (BHDM_EDID_P_Cea861bFormats[k].eFrameRateCode != BAVC_FrameRateCode_e23_976)
2803	&& (BHDM_EDID_P_Cea861bFormats[k].eFrameRateCode != BAVC_FrameRateCode_e24))
2804	continue;
2805
2806	else if ((temp == 25)
2807	&& (BHDM_EDID_P_Cea861bFormats[k].eFrameRateCode != BAVC_FrameRateCode_e25))
2808	continue;
2809
2810	else if (((temp == 29) \|\| (temp == 30))
2811	&& (BHDM_EDID_P_Cea861bFormats[k].eFrameRateCode != BAVC_FrameRateCode_e30))
2812	continue;
2813
2814
2815	/* format matches */
2816	#if 0
2817	BDBG_WRN((" %s is supported", pVideoFormatInfo->pchFormatStr)) ;
2818	#endif
2819	hHDMI->AttachedEDID.BcmSupportedVideoFormats[l] = true ;
2820	if ((LastIdAdded != EdidVideoIDCode) && (pVideoDescriptor))
2821	{
2822	pVideoDescriptor->eVideoFmt = eVideoFmt ;
2823	LastIdAdded = EdidVideoIDCode ;
2824	}
2825	} /* for each BCM BFMT_VideoFmt */
2826	} /* for each BCM Supported CEA-861-B Video ID Code */
2827	} /* for each CEA-861-B Video Descriptor */
2828
2829
2830	return rc ;
2831	}
2832
2833
2834
2835	/******************************************************************************
2836	Summary:
2837	Return all CEA 861 B video formats supported by the attached monitor as
2838	sepecified in the V3 Timing Ext Video Data Block.
2839	*******************************************************************************/
2840	BERR_Code BHDM_EDID_P_ParseAudioDB(
2841	BHDM_Handle hHDMI, /* [in] HDMI handle */
2842	uint8_t DataBlockIndex, /* [in] start offset of Video Data Block */
2843	uint8_t DataBlockLength /* [in] length (number) of Video ID codes */
2844	)
2845	{
2846
2847	BERR_Code rc = BERR_SUCCESS ;
2848
2849	#if BDBG_DEBUG_BUILD
2850	static char *CeaAudioTypeText[] =
2851	{
2852	"Reserved", "PCM",
2853	"AC3", "MPEG1",
2854	"MP3", "MPEG2",
2855	"AAC", "DTS",
2856	"ATRAC", "One Bit Audio",
2857	"DDP", "DTS-HD",
2858	"MAT (MLP)", "DST",
2859	"WMA Pro", "Reserved15"
2860	} ;
2861	#endif
2862
2863
2864	uint8_t
2865	i, j, /* indexes */
2866	NumAudioDescriptors,
2867	BcmAudioFormat,
2868	SampleRateFound,
2869	EdidAudioFormat,
2870	EdidAudioMaxChannels,
2871	EdidAudioSampleRate,
2872	EdidAudioBits ;
2873
2874
2875	NumAudioDescriptors = DataBlockLength / 3 ;
2876
2877	/* for each CEA Audio Format Code Found */
2878	BDBG_MSG(("<%s> CEA-861 Supported audio format:",
2879	hHDMI->AttachedEDID.MonitorName)) ;
2880
2881	for (j = 0 ; j < NumAudioDescriptors ; j++)
2882	{
2883	EdidAudioFormat = hHDMI->AttachedEDID.Block[DataBlockIndex+ j*3 + 1] ;
2884	EdidAudioSampleRate = hHDMI->AttachedEDID.Block[DataBlockIndex+ j*3 + 2] ;
2885	EdidAudioBits = hHDMI->AttachedEDID.Block[DataBlockIndex+ j*3 + 3] ;
2886
2887	EdidAudioFormat = EdidAudioFormat & 0x7F ; /* clear reserved bit */
2888	EdidAudioMaxChannels = (EdidAudioFormat & 0x07) + 1 ; /* max channels */
2889	EdidAudioFormat = EdidAudioFormat >> 3 ;
2890
2891	/************************************************/
2892	/* 1st check if format is supported */
2893	BcmAudioFormat = BAVC_AudioFormat_eMaxCount ;
2894	for (i = 0; i < sizeof(BHDM_EDID_P_BcmSupportedFormats) / sizeof(*BHDM_EDID_P_BcmSupportedFormats) ; i++)
2895	if (EdidAudioFormat == BHDM_EDID_P_BcmSupportedFormats[i].EdidAudioFormat)
2896	{
2897	BcmAudioFormat = BHDM_EDID_P_BcmSupportedFormats[i].BcmAudioFormat;
2898	break ;
2899	}
2900
2901	if (BcmAudioFormat == BAVC_AudioFormat_eMaxCount)
2902	{
2903	BDBG_WRN(("%s - **** NOT Implemented/Supported by BCM%d ; [%02X %02X %02X]",
2904	CeaAudioTypeText[EdidAudioFormat], BCHP_CHIP,
2905	hHDMI->AttachedEDID.Block[DataBlockIndex+ j*3 + 1],
2906	hHDMI->AttachedEDID.Block[DataBlockIndex+ j*3 + 2],
2907	hHDMI->AttachedEDID.Block[DataBlockIndex+ j*3 + 3])) ;
2908
2909	continue ;
2910	}
2911
2912	hHDMI->AttachedEDID.BcmAudioFormatsChecked = 1 ;
2913
2914	/**********************************************/
2915	/* 2nd, Check for supported Audio Sample Rate */
2916	EdidAudioSampleRate &= 0x7F ; /* clear reserved bit */
2917
2918	SampleRateFound = 0 ;
2919	for (i = 0; i < sizeof(EdidAudioSampleRateTable) / sizeof(*EdidAudioSampleRateTable); i++)
2920	/* check that at least one sample rate is supported */
2921	if (EdidAudioSampleRate & EdidAudioSampleRateTable[i].EdidAudioSampleRate)
2922	{
2923	SampleRateFound = 1 ;
2924	break ;
2925	}
2926
2927	if (!SampleRateFound)
2928	continue ;
2929
2930	/********************************************************/
2931	/* 3rd, Determine the number of Audio Bits (quantization) the */
2932	/* monitor supports for the requested Audio Format etc */
2933
2934	/* get the number of bits supported by this format */
2935	if (EdidAudioFormat != BHDM_EDID_P_AudioFormat_ePCM) /* compressed */
2936	{ /* formats */
2937	/* Max Bit Rate = EdidAudioBits * 8 */
2938	EdidAudioBits = EdidAudioBits /** 8*/ ;
2939
2940	/* display debug information */
2941	BDBG_MSG(("Found BCM supported CEA-861 Audio: %s - %d Ch [%d max bit rate] ; [%02X %02X %02X]",
2942	CeaAudioTypeText[EdidAudioFormat],
2943	EdidAudioMaxChannels, EdidAudioBits *8,
2944	hHDMI->AttachedEDID.Block[DataBlockIndex+ j*3 + 1],
2945	hHDMI->AttachedEDID.Block[DataBlockIndex+ j*3 + 2],
2946	hHDMI->AttachedEDID.Block[DataBlockIndex+ j*3 + 3])) ;
2947
2948	#if BDBG_DEBUG_BUILD
2949	/* show the supported sample rates */
2950	for (i = 0; i < sizeof(EdidAudioSampleRateTable) / sizeof(*EdidAudioSampleRateTable); i++)
2951	/* check that at least one sample rate is supported */
2952	if (EdidAudioSampleRate & EdidAudioSampleRateTable[i].EdidAudioSampleRate)
2953	{
2954	BDBG_MSG(("\tSample Rate %s", CeaAudioSampleRateTypeText[i])) ;
2955	}
2956	#endif
2957	} /* END if compressed formats */
2958	else /* uncompressed */
2959	{ /* PCM */
2960	uint8_t uiAudioSampleSize ;
2961
2962	if (EdidAudioBits & 0x04) uiAudioSampleSize = 24 ;
2963	else if (EdidAudioBits & 0x02) uiAudioSampleSize = 20 ;
2964	else if (EdidAudioBits & 0x01) uiAudioSampleSize = 16 ;
2965	else
2966	{
2967	BDBG_WRN(("Unknown/Un-Supported Bit Rate")) ;
2968	rc = BHDM_EDID_HDMI_UNKNOWN_BIT_RATE ;
2969	continue ;
2970	}
2971
2972	/* display debug information */
2973	BDBG_MSG(("Found BCM supported CEA-861 Audio: %s - %d Ch [up to %d bits] ; [%02X %02X %02X]",
2974	CeaAudioTypeText[EdidAudioFormat],
2975	EdidAudioMaxChannels, uiAudioSampleSize,
2976	hHDMI->AttachedEDID.Block[DataBlockIndex+ j*3 + 1],
2977	hHDMI->AttachedEDID.Block[DataBlockIndex+ j*3 + 2],
2978	hHDMI->AttachedEDID.Block[DataBlockIndex+ j*3 + 3])) ;
2979
2980	#if BDBG_DEBUG_BUILD
2981	/* show the supported sample rates */
2982	for (i = 0; i < sizeof(EdidAudioSampleRateTable) / sizeof(*EdidAudioSampleRateTable); i++)
2983	/* check that at least one sample rate is supported */
2984	if (EdidAudioSampleRate & EdidAudioSampleRateTable[i].EdidAudioSampleRate)
2985	{
2986	BDBG_MSG(("\tSample Rate %s", CeaAudioSampleRateTypeText[i])) ;
2987	}
2988	#endif
2989	} /* END ELSE uncompressed formats */
2990
2991	/* update audio supported information */
2992
2993	hHDMI->AttachedEDID.BcmSupportedAudioFormats[BcmAudioFormat].Supported = 1 ;
2994
2995	/* update supported format only if descriptor contains a larger number of Audio Channels */
2996	if (EdidAudioMaxChannels > hHDMI->AttachedEDID.BcmSupportedAudioFormats[BcmAudioFormat].AudioChannels )
2997	{
2998	hHDMI->AttachedEDID.BcmSupportedAudioFormats[BcmAudioFormat].AudioChannels
2999	= EdidAudioMaxChannels ;
3000	}
3001
3002	hHDMI->AttachedEDID.BcmSupportedAudioFormats[BcmAudioFormat].ucCeaSampleRates
3003	= EdidAudioSampleRate ;
3004
3005	hHDMI->AttachedEDID.BcmSupportedAudioFormats[BcmAudioFormat].ucCeaNBits_BitRate
3006	= EdidAudioBits ;
3007	} /* for each CEA Audio Format Code Found in EDID */
3008
3009	return rc ;
3010	}
3011
3012
3013	/******************************************************************************
3014	Summary:
3015	Set all BCM_VideoFmts that match eVideoFmt as being supported.
3016	*******************************************************************************/
3017	void BHDM_EDID_P_SetSupportedMatchingFmts(
3018	BHDM_Handle hHDMI, BFMT_VideoFmt eVideoFmt)
3019	{
3020	uint8_t i ;
3021
3022	uint16_t
3023	uiVerticalFrequency ,
3024	uiSupportedVerticalFrequency ;
3025
3026	BFMT_VideoInfo
3027	*pVideoFormatInfo,
3028	*pSupportedVideoFormatInfo ;
3029
3030	pSupportedVideoFormatInfo = (BFMT_VideoInfo *) BFMT_GetVideoFormatInfoPtr(eVideoFmt) ;
3031	if (!pSupportedVideoFormatInfo)
3032	{
3033	/* BFMT_VideoFmt_eCustom2 is used. BFMT does not have any
3034	information on this format so it returns NULL.
3035	HDMI does not support this custom format */
3036
3037	BDBG_WRN(("No support for custom user defined format"));
3038	return;
3039	}
3040
3041	BHDM_EDID_P_GetVerticalFrequency(pSupportedVideoFormatInfo->ulVertFreqMask,
3042	&uiSupportedVerticalFrequency) ;
3043
3044	hHDMI->AttachedEDID.BcmSupportedVideoFormats[eVideoFmt] = true ;
3045
3046	for (i = 0 ; i < BFMT_VideoFmt_eMaxCount ; i++)
3047	{
3048	/* skip if already listed as supported */
3049	if (hHDMI->AttachedEDID.BcmSupportedVideoFormats[i])
3050	continue ;
3051
3052	pVideoFormatInfo = (BFMT_VideoInfo *) BFMT_GetVideoFormatInfoPtr((BFMT_VideoFmt) i) ;
3053	if (!pVideoFormatInfo)
3054	continue;
3055
3056	/* 1st, Check if Pixel Format matches */
3057	/* check the width/height, and interlace parameters */
3058	if ((pVideoFormatInfo->ulDigitalWidth != pSupportedVideoFormatInfo->ulDigitalWidth)
3059	\|\| (pVideoFormatInfo->ulDigitalHeight != pSupportedVideoFormatInfo->ulDigitalHeight)
3060	\|\| (pVideoFormatInfo->bInterlaced != pSupportedVideoFormatInfo->bInterlaced))
3061	continue ;
3062
3063	/* 2nd make sure the Video Format's frequency is supported by the monitor */
3064	BHDM_EDID_P_GetVerticalFrequency(
3065	pVideoFormatInfo->ulVertFreqMask, &uiVerticalFrequency) ;
3066
3067	/* if the frequency does not fall into the range the monitor supports */
3068	/* the format cannot be supported */
3069	if ((uiVerticalFrequency < hHDMI->AttachedEDID.MonitorRange.MinVertical)
3070	\|\| (uiVerticalFrequency > hHDMI->AttachedEDID.MonitorRange.MaxVertical))
3071	continue ;
3072
3073	/* Finally, we don't want to falsely conclude that
3074	25Hz, 30Hz, and 50Hz are supported if 24Hz is
3075	supported (by virtue of the above range check).
3076	This is only pertinent for 720p and 1080i,p. */
3077	if ((pVideoFormatInfo->ulDigitalWidth == BFMT_1080I_WIDTH)
3078	\|\| (pVideoFormatInfo->ulDigitalWidth == BFMT_1080P_WIDTH)
3079	\|\| (pVideoFormatInfo->ulDigitalWidth == BFMT_720P_WIDTH))
3080	{
3081	if (uiVerticalFrequency != uiSupportedVerticalFrequency)
3082	continue;
3083	}
3084
3085	/* set as supported */
3086	hHDMI->AttachedEDID.BcmSupportedVideoFormats[i] = true ;
3087	}
3088
3089	} /* BHDM_EDID_P_SetSupportedMatchingFmts */
3090
3091
3092	/******************************************************************************
3093	Summary:
3094	Return all video formats supported by the attached monitor.
3095	*******************************************************************************/
3096	BERR_Code BHDM_EDID_GetSupportedVideoFormats(
3097	BHDM_Handle hHDMI, /* [in] HDMI handle */
3098	bool VideoFormats / [out] supported true/false */
3099	)
3100	{
3101	BERR_Code rc = BERR_SUCCESS ;
3102
3103	BDBG_ENTER(BHDM_EDID_GetSupportedVideoFormats) ;
3104
3105	if (hHDMI->edidStatus == BHDM_EDID_STATE_eInvalid) {
3106	return BHDM_EDID_NOT_FOUND;
3107	}
3108
3109	if (hHDMI->AttachedEDID.BcmVideoFormatsChecked == 0)
3110	return BHDM_EDID_VIDEO_FORMATS_UNAVAILABLE ;
3111
3112	BKNI_Memcpy(VideoFormats, &hHDMI->AttachedEDID.BcmSupportedVideoFormats,
3113	sizeof(hHDMI->AttachedEDID.BcmSupportedVideoFormats)) ;
3114
3115	BDBG_LEAVE(BHDM_EDID_GetSupportedVideoFormats) ;
3116	return rc ;
3117
3118	} /* BHDM_EDID_GetSupportedVideoFormats */
3119
3120
3121	#if BHDM_CONFIG_HDMI_3D_SUPPORT
3122	/******************************************************************************
3123	Summary:
3124	Return all video information (video formats, video ID code) supported by the attached monitor.
3125	*******************************************************************************/
3126	BERR_Code BHDM_EDID_GetSupportedVideoInfo(
3127	BHDM_Handle hHDMI, /* [in] HDMI handle */
3128	BHDM_EDID_VideoDescriptorInfo stSupportedVideoInfo / [out] supported true/false */
3129	)
3130	{
3131	BERR_Code rc = BERR_SUCCESS ;
3132
3133	BDBG_ENTER(BHDM_EDID_GetSupportedVideoInfo) ;
3134
3135	if (hHDMI->edidStatus == BHDM_EDID_STATE_eInvalid) {
3136	rc = BHDM_EDID_NOT_FOUND;
3137	goto done;
3138	}
3139
3140	if (hHDMI->AttachedEDID.BcmVideoFormatsChecked == 0) {
3141	rc = BHDM_EDID_VIDEO_FORMATS_UNAVAILABLE ;
3142	goto done;
3143	}
3144
3145	/* zero out return structure */
3146	BKNI_Memset(stSupportedVideoInfo, 0, sizeof(BHDM_EDID_VideoDescriptorInfo));
3147
3148
3149	stSupportedVideoInfo->numDescriptors
3150	= hHDMI->AttachedEDID.NumBcmSupportedVideoDescriptors ;
3151
3152	BDBG_MSG(("Num Supported Descriptors: %d",
3153	hHDMI->AttachedEDID.NumBcmSupportedVideoDescriptors)) ;
3154
3155	BKNI_Memcpy(
3156	stSupportedVideoInfo->VideoIDCode, hHDMI->AttachedEDID.BcmSupportedVideoIdCodes,
3157	hHDMI->AttachedEDID.NumBcmSupportedVideoDescriptors) ;
3158
3159	done:
3160
3161	BDBG_LEAVE(BHDM_EDID_GetSupportedVideoInfo) ;
3162	return rc ;
3163
3164	}
3165	#endif
3166
3167
3168	/******************************************************************************
3169	Summary:
3170	Return all audio formats supported by the attached monitor.
3171	*******************************************************************************/
3172	BERR_Code BHDM_EDID_GetSupportedAudioFormats(
3173	BHDM_Handle hHDMI, /* [in] HDMI handle */
3174	BHDM_EDID_AudioDescriptor BcmAudioFormats / [out] supported formats */
3175	)
3176	{
3177	BERR_Code rc = BERR_SUCCESS ;
3178
3179	BDBG_ENTER(BHDM_EDID_GetSupportedAudioFormats) ;
3180
3181	if (hHDMI->edidStatus == BHDM_EDID_STATE_eInvalid) {
3182	return BHDM_EDID_NOT_FOUND;
3183	}
3184
3185	BKNI_Memset(BcmAudioFormats, 0, sizeof(hHDMI->AttachedEDID.BcmSupportedAudioFormats)) ;
3186
3187	if (hHDMI->AttachedEDID.BcmAudioFormatsChecked == 0)
3188	return BHDM_EDID_AUDIO_FORMATS_UNAVAILABLE ;
3189
3190	BKNI_Memcpy(BcmAudioFormats, &hHDMI->AttachedEDID.BcmSupportedAudioFormats,
3191	sizeof(hHDMI->AttachedEDID.BcmSupportedAudioFormats)) ;
3192
3193	BDBG_LEAVE(BHDM_EDID_GetSupportedAudioFormats) ;
3194	return rc ;
3195
3196	} /* BHDM_EDID_GetSupportedAudioFormats */
3197
3198	void BHDM_EDID_P_ParseExtendedColorimetryDB(BHDM_Handle hHDMI, uint8_t DataBlockIndex)
3199	{
3200	/* Check for xvYCC support */
3201	hHDMI->AttachedEDID.ColorimetryData.bxvYCC601= (hHDMI->AttachedEDID.Block[DataBlockIndex+2] & 0x01);
3202	hHDMI->AttachedEDID.ColorimetryData.bxvYCC709= (hHDMI->AttachedEDID.Block[DataBlockIndex+2] & 0x02) >> 1;
3203
3204	/* Check for metadata support in colorimetry block */
3205	hHDMI->AttachedEDID.ColorimetryData.bMetadataProfile0= (hHDMI->AttachedEDID.Block[DataBlockIndex+3] & 0x01);
3206	hHDMI->AttachedEDID.ColorimetryData.bMetadataProfile1 = (hHDMI->AttachedEDID.Block[DataBlockIndex+3] & 0x02) >> 1;
3207	hHDMI->AttachedEDID.ColorimetryData.bMetadataProfile2 = (hHDMI->AttachedEDID.Block[DataBlockIndex+3] & 0x04) >> 2;
3208
3209	#if BDBG_DEBUG_BUILD
3210	BDBG_MSG(("Support for xvYCC601: %s, xvYCC709: %s",
3211	g_status[hHDMI->AttachedEDID.ColorimetryData.bxvYCC601 ? 1 : 0],
3212	g_status[hHDMI->AttachedEDID.ColorimetryData.bxvYCC709 ? 1 : 0])) ;
3213
3214	BDBG_MSG(("Gamut Metadata profile support: MD0: %s, MD1: %s, MD2: %s",
3215	g_status[hHDMI->AttachedEDID.ColorimetryData.bMetadataProfile0 ? 1 : 0],
3216	g_status[hHDMI->AttachedEDID.ColorimetryData.bMetadataProfile1 ? 1 : 0],
3217	g_status[hHDMI->AttachedEDID.ColorimetryData.bMetadataProfile2 ? 1 : 0])) ;
3218	#endif
3219	}
3220
3221
3222	void BHDM_EDID_P_ParseVendorSpecificDB(BHDM_Handle hHDMI, uint8_t DataBlockIndex, uint8_t DataBlockLength)
3223	{
3224	static const uint8_t ucpIEEE_RegId[3] = {0x03, 0x0C, 0x00} ; /* LSB.. MSB */
3225	uint8_t offset ;
3226	uint8_t offsetByte;
3227
3228	BKNI_Memset(&hHDMI->AttachedEDID.RxVSDB, 0, sizeof(BHDM_EDID_RxVendorSpecificDB)) ;
3229
3230	/* get the 24 bit IEEE Registration Identifier */
3231	BKNI_Memcpy(&hHDMI->AttachedEDID.RxVSDB.ucpIEEE_RegId, &hHDMI->AttachedEDID.Block[DataBlockIndex+1], 3) ;
3232
3233	#if BHDM_CONFIG_HDMI_3D_SUPPORT
3234	/* indicate 3D Formats checked even if we do not proces due to DVI device (no HDMI) or no 3D Support */
3235	hHDMI->AttachedEDID.Bcm3DFormatsChecked = true;
3236	#endif
3237
3238	/* make sure it is the correct IEEE Registration ID */
3239	if (BKNI_Memcmp(hHDMI->AttachedEDID.RxVSDB.ucpIEEE_RegId, ucpIEEE_RegId, 3) != 0)
3240	{
3241	BDBG_ERR(("VSDB IEEE Reg ID <%02X%02X%02X> != HDMI Reg ID <%02X%02X%02X>",
3242	hHDMI->AttachedEDID.RxVSDB.ucpIEEE_RegId[2], hHDMI->AttachedEDID.RxVSDB.ucpIEEE_RegId[1],
3243	hHDMI->AttachedEDID.RxVSDB.ucpIEEE_RegId[0],
3244	ucpIEEE_RegId[2], ucpIEEE_RegId[1], ucpIEEE_RegId[0])) ;
3245
3246	BDBG_ERR(("Rx Device will be treated as a DVI device...")) ;
3247	hHDMI->AttachedEDID.RxHasHdmiSupport = 0 ;
3248	return ;
3249	}
3250	else
3251	{
3252	BDBG_MSG(("HDMI VSDB IEEE Registration ID %02X%02X%02X Found",
3253	hHDMI->AttachedEDID.RxVSDB.ucpIEEE_RegId[2],
3254	hHDMI->AttachedEDID.RxVSDB.ucpIEEE_RegId[1],
3255	hHDMI->AttachedEDID.RxVSDB.ucpIEEE_RegId[0])) ;
3256	hHDMI->AttachedEDID.RxHasHdmiSupport = 1 ;
3257
3258	}
3259
3260	/* get the components of My Source Physical Address */
3261	hHDMI->AttachedEDID.RxVSDB.PhysAddr_A = (hHDMI->AttachedEDID.Block[DataBlockIndex+4] & 0xF0) >> 4 ;
3262	hHDMI->AttachedEDID.RxVSDB.PhysAddr_B = (hHDMI->AttachedEDID.Block[DataBlockIndex+4] & 0x0F) ;
3263	hHDMI->AttachedEDID.RxVSDB.PhysAddr_C = (hHDMI->AttachedEDID.Block[DataBlockIndex+5] & 0xF0) >> 4 ;
3264	hHDMI->AttachedEDID.RxVSDB.PhysAddr_D = (hHDMI->AttachedEDID.Block[DataBlockIndex+5] & 0x0F) ;
3265	BDBG_MSG(("my_address (CEC physical) = (%d.%d.%d.%d)",
3266	hHDMI->AttachedEDID.RxVSDB.PhysAddr_A, hHDMI->AttachedEDID.RxVSDB.PhysAddr_B,
3267	hHDMI->AttachedEDID.RxVSDB.PhysAddr_C, hHDMI->AttachedEDID.RxVSDB.PhysAddr_D)) ;
3268
3269	#if BHDM_CONFIG_CEC_LEGACY_SUPPORT && BHDM_CEC_SUPPORT
3270	BKNI_Memcpy(hHDMI->cecConfiguration.CecPhysicalAddr,
3271	&hHDMI->AttachedEDID.Block[DataBlockIndex+4], 2) ;
3272	#endif
3273
3274	/* DataBlockLength is N (which is 1 less than actual length). */
3275	if (DataBlockLength >= 6)
3276	{
3277	/* for HDMI 1.1 Check if Rx supports ACP or ISRC packets */
3278	hHDMI->AttachedEDID.RxVSDB.SupportsAI = (hHDMI->AttachedEDID.Block[DataBlockIndex+6] & 0x80) >> 7 ;
3279	BDBG_MSG(("Supports AI = %d", hHDMI->AttachedEDID.RxVSDB.SupportsAI)) ;
3280
3281	/* retrieve support for Deep Color modes */
3282	hHDMI->AttachedEDID.RxVSDB.DeepColor_48bit = (hHDMI->AttachedEDID.Block[DataBlockIndex+6] & 0x40) >> 6;
3283	hHDMI->AttachedEDID.RxVSDB.DeepColor_36bit = (hHDMI->AttachedEDID.Block[DataBlockIndex+6] & 0x20) >> 5;
3284	hHDMI->AttachedEDID.RxVSDB.DeepColor_30bit = (hHDMI->AttachedEDID.Block[DataBlockIndex+6] & 0x10) >> 4;
3285	hHDMI->AttachedEDID.RxVSDB.DeepColor_Y444 = (hHDMI->AttachedEDID.Block[DataBlockIndex+6] & 0x08) >> 3;
3286	hHDMI->AttachedEDID.RxVSDB.DVI_Dual = (hHDMI->AttachedEDID.Block[DataBlockIndex+6] & 0x01);
3287	}
3288	else
3289	{
3290	hHDMI->AttachedEDID.RxVSDB.SupportsAI = false;
3291	hHDMI->AttachedEDID.RxVSDB.DeepColor_48bit = false;
3292	hHDMI->AttachedEDID.RxVSDB.DeepColor_36bit = false;
3293	hHDMI->AttachedEDID.RxVSDB.DeepColor_30bit = false;
3294	hHDMI->AttachedEDID.RxVSDB.DeepColor_Y444 = false;
3295	hHDMI->AttachedEDID.RxVSDB.DVI_Dual = false;
3296	}
3297
3298	if (DataBlockLength >= 7)
3299	{
3300	/* get the maximum TMDS clock rate supported */
3301	hHDMI->AttachedEDID.RxVSDB.Max_TMDS_Clock_Rate =
3302	hHDMI->AttachedEDID.Block[DataBlockIndex+7] * 5;
3303	}
3304
3305	/* determine present/non present fields */
3306	if (DataBlockLength >= 8)
3307	{
3308	offsetByte = hHDMI->AttachedEDID.Block[DataBlockIndex+8] ;
3309
3310	/* get lipsync-related fields */
3311	hHDMI->AttachedEDID.RxVSDB.Latency_Fields_Present =
3312	offsetByte >> 7 ;
3313
3314	hHDMI->AttachedEDID.RxVSDB.Interlaced_Latency_Fields_Present =
3315	(offsetByte & 0x40) >> 6 ;
3316
3317	#if BHDM_CONFIG_HDMI_3D_SUPPORT
3318	/* HDMI Video Present */
3319	hHDMI->AttachedEDID.RxVSDB.HDMI_Video_Present=
3320	(offsetByte & 0x20) >> 5 ;
3321
3322
3323	/* get Content Type related fields */
3324	hHDMI->AttachedEDID.RxVSDB.SupportedContentTypeGraphicsText =
3325	offsetByte & 0x01 ;
3326
3327	hHDMI->AttachedEDID.RxVSDB.SupportedContentTypePhoto =
3328	offsetByte & 0x02 ;
3329
3330	hHDMI->AttachedEDID.RxVSDB.SupportedContentTypeCinema =
3331	offsetByte & 0x04 ;
3332
3333	hHDMI->AttachedEDID.RxVSDB.SupportedContentTypeGame =
3334	offsetByte & 0x08 ;
3335	#endif
3336	}
3337
3338
3339	offset = 9 ; /* earliest byte where optional data can be located */
3340	if (offset > DataBlockLength) /* no more optional data */
3341	goto done ;
3342
3343	/* retrieve Video and Audio Latency if available */
3344	if (hHDMI->AttachedEDID.RxVSDB.Latency_Fields_Present)
3345	{
3346	hHDMI->AttachedEDID.RxVSDB.Video_Latency =
3347	hHDMI->AttachedEDID.Block[DataBlockIndex + offset] ;
3348	offset++ ;
3349
3350	hHDMI->AttachedEDID.RxVSDB.Audio_Latency =
3351	hHDMI->AttachedEDID.Block[DataBlockIndex + offset] ;
3352	offset++ ;
3353	}
3354	else
3355	{
3356	/* force Interlaced Latency Fields Present to false when no Progressive Latency fields */
3357	/* cannot have Interlaced Latency Fields without Progressive Latency Fields */
3358	hHDMI->AttachedEDID.RxVSDB.Interlaced_Latency_Fields_Present = false ;
3359	}
3360
3361	/* retrieve Video and Audio Latency for interlaced formats if available */
3362	if (hHDMI->AttachedEDID.RxVSDB.Interlaced_Latency_Fields_Present)
3363	{
3364	hHDMI->AttachedEDID.RxVSDB.Interlaced_Video_Latency =
3365	hHDMI->AttachedEDID.Block[DataBlockIndex + offset] ;
3366	offset++ ;
3367
3368	hHDMI->AttachedEDID.RxVSDB.Interlaced_Audio_Latency =
3369	hHDMI->AttachedEDID.Block[DataBlockIndex + offset] ;
3370	offset++ ;
3371	}
3372
3373	/* AV and interlaced AV latencies have been retrieved */
3374	if (offset > DataBlockLength)
3375	goto done ; /* no more optional data */
3376
3377
3378	#if BHDM_CONFIG_HDMI_3D_SUPPORT
3379	/* Now check for HDMI VICs and 3D support info */
3380	BHDM_EDID_P_ParseVSDB3D(hHDMI, DataBlockIndex, &offset, DataBlockLength);
3381	#endif
3382
3383
3384	done:
3385	#if BHDM_CONFIG_DEBUG_EDID_VSDB
3386	if ((DataBlockLength < 7)
3387	&& (hHDMI->AttachedEDID.RxVSDB.DeepColor_48bit
3388	\|\| hHDMI->AttachedEDID.RxVSDB.DeepColor_36bit
3389	\|\| hHDMI->AttachedEDID.RxVSDB.DeepColor_30bit
3390	\|\| hHDMI->AttachedEDID.RxVSDB.DeepColor_Y444
3391	\|\| hHDMI->AttachedEDID.RxVSDB.DVI_Dual))
3392	{
3393	BDBG_WRN(("Found HDMI 1.3 Features")) ;
3394	BDBG_WRN(("Deep Color Support")) ;
3395	BDBG_WRN(("\t 48bit: %s, 36bit: %s, 30bit: %s, Y444: %s",
3396	g_status[hHDMI->AttachedEDID.RxVSDB.DeepColor_48bit ? 1 : 0],
3397	g_status[hHDMI->AttachedEDID.RxVSDB.DeepColor_36bit ? 1 : 0],
3398	g_status[hHDMI->AttachedEDID.RxVSDB.DeepColor_30bit ? 1 : 0],
3399	g_status[hHDMI->AttachedEDID.RxVSDB.DeepColor_Y444 ? 1 : 0])) ;
3400
3401	BDBG_WRN(("DVI Dual Link Support: %s",
3402	g_status[hHDMI->AttachedEDID.RxVSDB.DVI_Dual ? 1 : 0]));
3403	return ;
3404	}
3405
3406	BDBG_WRN(("Max TMDS Clock Rate: %d",
3407	hHDMI->AttachedEDID.RxVSDB.Max_TMDS_Clock_Rate));
3408
3409	BDBG_WRN(("Video Latency Data Present: %s",
3410	g_status[hHDMI->AttachedEDID.RxVSDB.Latency_Fields_Present ? 1 : 0])) ;
3411	if (hHDMI->AttachedEDID.RxVSDB.Latency_Fields_Present)
3412	{
3413	BDBG_WRN(("\tVideo: %d, Audio: %d",
3414	hHDMI->AttachedEDID.RxVSDB.Video_Latency,
3415	hHDMI->AttachedEDID.RxVSDB.Audio_Latency)) ;
3416	}
3417
3418	BDBG_WRN(("Interlaced Video Latency Data Present: %s",
3419	g_status[hHDMI->AttachedEDID.RxVSDB.Interlaced_Latency_Fields_Present ? 1 : 0])) ;
3420	if (hHDMI->AttachedEDID.RxVSDB.Interlaced_Latency_Fields_Present)
3421	{
3422	BDBG_WRN(("\tVideo: %d, Audio: %d",
3423	hHDMI->AttachedEDID.RxVSDB.Interlaced_Video_Latency,
3424	hHDMI->AttachedEDID.RxVSDB.Interlaced_Audio_Latency));
3425	}
3426
3427	BDBG_WRN(("HDMI Video Present: %s",
3428	g_status[hHDMI->AttachedEDID.RxVSDB.HDMI_Video_Present ? 1 : 0])) ;
3429
3430	#if BHDM_CONFIG_HDMI_3D_SUPPORT
3431	if (hHDMI->AttachedEDID.RxVSDB.HDMI_Video_Present)
3432	{
3433	BDBG_WRN(("Found HDMI 1.4 Features")) ;
3434	BDBG_WRN(("Content Types Supported")) ;
3435	BDBG_WRN(("\tGraphics (Text): %s",
3436	g_status[hHDMI->AttachedEDID.RxVSDB.SupportedContentTypeGraphicsText ? 1 : 0])) ;
3437	BDBG_WRN(("\tCinema: %s",
3438	g_status[hHDMI->AttachedEDID.RxVSDB.SupportedContentTypeCinema ? 1 : 0])) ;
3439	BDBG_WRN(("\tPhoto: %s",
3440	g_status[hHDMI->AttachedEDID.RxVSDB.SupportedContentTypePhoto ? 1 : 0])) ;
3441	BDBG_WRN(("\tGame: %s",
3442	g_status[hHDMI->AttachedEDID.RxVSDB.SupportedContentTypeGame ? 1 : 0])) ;
3443
3444	BDBG_WRN(("HDMI 3D Present: %s",
3445	g_status[hHDMI->AttachedEDID.RxVSDB.HDMI_3D_Present ? 1 : 0])) ;
3446
3447	BDBG_WRN(("HDMI Multi 3D Present (Optional): %#x",
3448	hHDMI->AttachedEDID.RxVSDB.HDMI_3D_Multi_Present)) ;
3449
3450
3451	BDBG_WRN(("HDMI VIC LEN: %d",
3452	hHDMI->AttachedEDID.RxVSDB.HDMI_VIC_Len)) ;
3453
3454	BDBG_WRN(("HDMI 3D LEN: %d",
3455	hHDMI->AttachedEDID.RxVSDB.HDMI_3D_Len)) ;
3456
3457	BDBG_WRN(("Image Size: %d",
3458	hHDMI->AttachedEDID.RxVSDB.HDMI_Image_Size)) ;
3459
3460
3461	if (hHDMI->AttachedEDID.RxVSDB.HDMI_3D_Present)
3462	{
3463	uint8_t i;
3464	BDBG_WRN(("Broadcom 3D Formats Supported:")) ;
3465	for (i = 0 ; i < BFMT_VideoFmt_eMaxCount; i++)
3466	{
3467	const BFMT_VideoInfo *pVideoFormatInfo ;
3468	pVideoFormatInfo = (BFMT_VideoInfo *) BFMT_GetVideoFormatInfoPtr((BFMT_VideoFmt) i) ;
3469
3470	if (hHDMI->AttachedEDID.BcmSupported3DFormats[i] & BHDM_EDID_VSDB_3D_STRUCTURE_ALL_FRAME_PACKING) {
3471	BDBG_WRN(("\t%s Frame Packing ", pVideoFormatInfo->pchFormatStr)) ;
3472	}
3473
3474	if (hHDMI->AttachedEDID.BcmSupported3DFormats[i] & BHDM_EDID_VSDB_3D_STRUCTURE_ALL_FIELD_ALTERNATIVE) {
3475	BDBG_WRN(("\t%s FieldAlternative ", pVideoFormatInfo->pchFormatStr)) ;
3476	}
3477
3478	if (hHDMI->AttachedEDID.BcmSupported3DFormats[i] & BHDM_EDID_VSDB_3D_STRUCTURE_ALL_LINE_ALTERNATIVE) {
3479	BDBG_WRN(("\t%s LineAlternative ", pVideoFormatInfo->pchFormatStr)) ;
3480	}
3481
3482	if (hHDMI->AttachedEDID.BcmSupported3DFormats[i] & BHDM_EDID_VSDB_3D_STRUCTURE_ALL_LDEPTH) {
3483	BDBG_WRN(("\t%s LDepth ", pVideoFormatInfo->pchFormatStr)) ;
3484	}
3485
3486	if (hHDMI->AttachedEDID.BcmSupported3DFormats[i] & BHDM_EDID_VSDB_3D_STRUCTURE_ALL_LDEPTH_GFX) {
3487	BDBG_WRN(("\t%s LDepth+Graphics ", pVideoFormatInfo->pchFormatStr)) ;
3488	}
3489
3490	if (hHDMI->AttachedEDID.BcmSupported3DFormats[i] & BHDM_EDID_VSDB_3D_STRUCTURE_ALL_TOP_BOTTOM) {
3491	BDBG_WRN(("\t%s TopAndBottom ", pVideoFormatInfo->pchFormatStr)) ;
3492	}
3493
3494	if (hHDMI->AttachedEDID.BcmSupported3DFormats[i] & BHDM_EDID_VSDB_3D_STRUCTURE_ALL_SBS_FULL) {
3495	BDBG_WRN(("\t%s SideBySide_Full ", pVideoFormatInfo->pchFormatStr)) ;
3496	}
3497
3498	if (hHDMI->AttachedEDID.BcmSupported3DFormats[i] & BHDM_EDID_VSDB_3D_STRUCTURE_ALL_SBS_HALF_HORIZ) {
3499	BDBG_WRN(("\t%s SideBySide_Half_Horizontal ", pVideoFormatInfo->pchFormatStr)) ;
3500	}
3501
3502	if (hHDMI->AttachedEDID.BcmSupported3DFormats[i] & BHDM_EDID_VSDB_3D_STRUCTURE_ALL_SBS_HALF_QUINC) {
3503	BDBG_WRN(("\t%s SideBySide_Half_QuincunxMatrix ", pVideoFormatInfo->pchFormatStr)) ;
3504	}
3505	}
3506	}
3507	}
3508	#endif
3509	#endif
3510
3511	return;
3512
3513	}
3514
3515	BERR_Code BHDM_EDID_P_ParseV1V2TimingExtension(BHDM_Handle hHDMI)
3516	{
3517	BERR_Code rc = BERR_SUCCESS ;
3518	uint8_t
3519	i, offset,
3520	DataOffset ;
3521	BFMT_VideoFmt eVideoFmt ;
3522	BHDM_EDID_DetailTiming DetailTimingBlock ;
3523
3524	#if BDBG_DEBUG_BUILD
3525	uint8_t TimingsFound = 0 ;
3526	#endif
3527
3528
3529	/* check if data blocks exist before the detailed timing data */
3530	DataOffset = hHDMI->AttachedEDID.Block[BHDM_EDID_EXT_DATA_OFFSET] ;
3531	if (DataOffset == 0) /* no detailed timing descriptors */
3532	return rc ;
3533
3534	i = 0 ;
3535	offset = DataOffset ;
3536
3537	BKNI_Memset((void *) &hHDMI->AttachedEDID.DescriptorHeader, 0x0, BHDM_EDID_DESC_HEADER_LEN) ;
3538
3539
3540	while (offset < BHDM_EDID_BLOCKSIZE)
3541	{
3542	if (BKNI_Memcmp(&hHDMI->AttachedEDID.Block[offset], hHDMI->AttachedEDID.DescriptorHeader,
3543	BHDM_EDID_DESC_HEADER_LEN) == 0)
3544	{
3545	break ;
3546	}
3547
3548	/* skip EDID descriptor blocks */
3549	if (BKNI_Memcmp(&hHDMI->AttachedEDID.Block[offset], (void *) &hHDMI->AttachedEDID.DescriptorHeader, 3) == 0)
3550	{
3551	offset = DataOffset + BHDM_EDID_MONITOR_DESC_SIZE * i++ ;
3552	continue ;
3553	}
3554
3555	BHDM_EDID_ParseDetailedTimingDescriptor(
3556	&hHDMI->AttachedEDID.Block[offset], &DetailTimingBlock) ;
3557
3558	/* convert the DetailTiming to BFMT_eVideoFmt type */
3559	if (BHDM_EDID_P_DetailTiming2VideoFmt(hHDMI, &DetailTimingBlock, &eVideoFmt)
3560	== BERR_SUCCESS)
3561	{
3562	/* set BFMTs that match this Detailed Timing Format as being supported */
3563	BHDM_EDID_P_SetSupportedMatchingFmts(hHDMI, eVideoFmt) ;
3564
3565	#if BDBG_DEBUG_BUILD
3566	BDBG_MSG(("Preferred Timing #%d found in V1/2 Timing Ext block", ++TimingsFound)) ;
3567	#endif
3568	}
3569
3570	offset = DataOffset + BHDM_EDID_MONITOR_DESC_SIZE * i++ ;
3571	}
3572	return rc ;
3573	}
3574
3575
3576	BERR_Code BHDM_EDID_P_ParseV3TimingExtension (BHDM_Handle hHDMI)
3577	{
3578	BERR_Code rc = BERR_SUCCESS;
3579	uint8_t
3580	DataOffset,
3581	DataBlockIndex,
3582	DataBlockTag,
3583	DataBlockLength,
3584	MonitorSupport,
3585	ExtendedTagCode;
3586
3587	DataOffset = hHDMI->AttachedEDID.Block[BHDM_EDID_EXT_DATA_OFFSET] ;
3588
3589	/* check if data blocks exist before the detailed timing data */
3590	if ((DataOffset != 0) &&
3591	(DataOffset != 4)) /* yes, data blocks exist. */
3592	{
3593	/* Look for Video Data Block and parse it first
3594	Set the index to the start of Data Blocks */
3595	DataBlockIndex = BHDM_EDID_EXT_DATA_BLOCK_COLLECTION ;
3596
3597	while (DataBlockIndex < DataOffset)
3598	{
3599	/* get the Data Block type */
3600	DataBlockTag =
3601	hHDMI->AttachedEDID.Block[DataBlockIndex] >> 5 ;
3602
3603	/* get the Data Block length */
3604	DataBlockLength =
3605	hHDMI->AttachedEDID.Block[DataBlockIndex] & 0x1F ;
3606
3607	if (DataBlockTag == BHDM_EDID_CeaDataBlockTag_eVideoDB)
3608	{
3609	BDBG_MSG(("\n[%#02X] CEA-861 %s (%#02x) found; %d bytes",
3610	hHDMI->AttachedEDID.Block[DataBlockIndex],
3611	CeaTagName[DataBlockTag], DataBlockTag, DataBlockLength)) ;
3612
3613	/* adds to supported BCM video formats */
3614	BHDM_EDID_P_ParseVideoDB(hHDMI, DataBlockIndex, DataBlockLength) ;
3615	break ;
3616	}
3617	DataBlockIndex += DataBlockLength + 1;
3618	} /* while DataBlockIndex < DataOffset */
3619
3620
3621	/* scan through the data blocks once again and retrieve all other the necessary information.
3622	Set the index to the start of Data Blocks */
3623	DataBlockIndex = BHDM_EDID_EXT_DATA_BLOCK_COLLECTION ;
3624
3625	while (DataBlockIndex < DataOffset)
3626	{
3627	/* get the Data Block type */
3628	DataBlockTag =
3629	hHDMI->AttachedEDID.Block[DataBlockIndex] >> 5 ;
3630
3631	/* get the Data Block length */
3632	DataBlockLength =
3633	hHDMI->AttachedEDID.Block[DataBlockIndex] & 0x1F ;
3634
3635	BDBG_MSG(("\n[%#02X] CEA-861 %s (%#02x) found; %d bytes",
3636	hHDMI->AttachedEDID.Block[DataBlockIndex],
3637	CeaTagName[DataBlockTag], DataBlockTag, DataBlockLength)) ;
3638
3639	switch (DataBlockTag)
3640	{
3641	case BHDM_EDID_CeaDataBlockTag_eAudioDB : /* Audio DB */
3642	/* adds to supported BCM audio formats */
3643	BHDM_EDID_P_ParseAudioDB(hHDMI, DataBlockIndex, DataBlockLength) ;
3644	break ;
3645
3646	case BHDM_EDID_CeaDataBlockTag_eVideoDB : /* Video DB */
3647	/* Video Data Block already parse at this point */
3648	break ;
3649
3650	case BHDM_EDID_CeaDataBlockTag_eVSDB : /* Vendor Specific DB */
3651	/* populates RxVSDB */
3652	BHDM_EDID_P_ParseVendorSpecificDB(hHDMI, DataBlockIndex, DataBlockLength) ;
3653	break ;
3654
3655	case BHDM_EDID_CeaDataBlockTag_eSpeakerDB : /* Speaker Allocation DB */
3656	break ;
3657
3658	case BHDM_EDID_CeaDataBlockTag_eExtendedDB:
3659	ExtendedTagCode = hHDMI->AttachedEDID.Block[DataBlockIndex+1];
3660	if (ExtendedTagCode == 5)
3661	BHDM_EDID_P_ParseExtendedColorimetryDB(hHDMI, DataBlockIndex) ;
3662	else
3663	{
3664	BDBG_MSG((" Extended Tag Code <%d> is not supported",
3665	ExtendedTagCode)) ;
3666	}
3667	break;
3668
3669	case BHDM_EDID_CeaDataBlockTag_eReserved0 :
3670	case BHDM_EDID_CeaDataBlockTag_eReserved5 :
3671	case BHDM_EDID_CeaDataBlockTag_eReserved6 :
3672
3673
3674	default : /* note any Unknown/Unsupported Tags */
3675	BDBG_WRN(("CEA Data Block Tag Code %d is not supported",
3676	DataBlockTag)) ;
3677	break ;
3678	}
3679
3680	DataBlockIndex += DataBlockLength + 1;
3681
3682	} /* while DataBlockIndex < DataOffset */
3683	}
3684
3685
3686	/* check what the monitor supports */
3687	MonitorSupport = hHDMI->AttachedEDID.Block[BHDM_EDID_EXT_MONITOR_SUPPORT] ;
3688
3689	hHDMI->AttachedEDID.RxVSDB.Underscan = MonitorSupport & 0x80 ;
3690	hHDMI->AttachedEDID.RxVSDB.Audio = MonitorSupport & 0x40 ;
3691	hHDMI->AttachedEDID.RxVSDB.YCbCr444 = MonitorSupport & 0x20 ;
3692	hHDMI->AttachedEDID.RxVSDB.YCbCr422 = MonitorSupport & 0x10 ;
3693	hHDMI->AttachedEDID.RxVSDB.NativeFormatsInDescriptors = MonitorSupport & 0xF ;
3694
3695	/* check if there are any detailed timing descriptors. */
3696	if (DataOffset > 0)
3697	{
3698	uint16_t offset = DataOffset ;
3699	BHDM_EDID_DetailTiming DetailTimingBlock ;
3700	BFMT_VideoFmt eVideoFmt ;
3701
3702	BKNI_Memset((void *) &hHDMI->AttachedEDID.DescriptorHeader, 0x0, BHDM_EDID_DESC_HEADER_LEN);
3703
3704	while ((offset > 0) && (offset < BHDM_EDID_BLOCKSIZE)
3705	&& BKNI_Memcmp( /* detailed timing descriptors contain non-zeros */
3706	&hHDMI->AttachedEDID.Block[offset],
3707	&hHDMI->AttachedEDID.DescriptorHeader, 3))
3708	{
3709	BHDM_EDID_ParseDetailedTimingDescriptor(
3710	&hHDMI->AttachedEDID.Block[offset], &DetailTimingBlock) ;
3711
3712	/* convert the DetailTiming to BFMT_eVideoFmt type */
3713	rc = BHDM_EDID_P_DetailTiming2VideoFmt(hHDMI, &DetailTimingBlock, &eVideoFmt) ;
3714	if (rc == BERR_SUCCESS)
3715	{
3716	/* set BFMTs that match this Detailed Timing Format as being supported */
3717	BHDM_EDID_P_SetSupportedMatchingFmts(hHDMI, eVideoFmt) ;
3718	}
3719
3720	/* skip to next descriptor */
3721	offset = offset + BHDM_EDID_MONITOR_DESC_SIZE ;
3722	}
3723	}
3724
3725	/* RxVSDB has been parsed at this point load additional values found in the V3 timing extension */
3726	/* all HDMI Rx that set VSDB.Audio must support Basic Audio (i.e 2 Channel PCM)
3727	although not all devices explicitly specify it in Audio Descriptors */
3728	if (!hHDMI->AttachedEDID.RxVSDB.Audio)
3729	{
3730	BDBG_WRN(("Attached HDMI device '%s' does not support audio",
3731	hHDMI->AttachedEDID.MonitorName)) ;
3732	}
3733	else if (!hHDMI->AttachedEDID.BcmSupportedAudioFormats[BAVC_AudioFormat_ePCM].Supported)
3734	{
3735	BDBG_WRN(("VSDB indicates audio support, but no PCM Audio Descriptors found!")) ;
3736	BDBG_WRN(("Assuming 2 channel PCM is supported")) ;
3737
3738	/* all HDMI Rxs are required to support PCM Audio; list 48KHz PCM as supported */
3739	hHDMI->AttachedEDID.BcmSupportedAudioFormats[BAVC_AudioFormat_ePCM].Supported = 1 ;
3740	hHDMI->AttachedEDID.BcmSupportedAudioFormats[BAVC_AudioFormat_ePCM].AudioChannels = 2 ;
3741	hHDMI->AttachedEDID.BcmSupportedAudioFormats[BAVC_AudioFormat_ePCM].ucCeaSampleRates
3742	= BAVC_AudioSamplingRate_e48k ;
3743	hHDMI->AttachedEDID.BcmSupportedAudioFormats[BAVC_AudioFormat_ePCM].ucCeaNBits_BitRate
3744	= 1 ; /* 16 bits */
3745	hHDMI->AttachedEDID.BcmAudioFormatsChecked = 1 ;
3746	}
3747
3748	return rc;
3749
3750	}
3751
3752
3753	BERR_Code BHDM_EDID_P_ProcessTimingExtension (BHDM_Handle hHDMI)
3754	{
3755	BERR_Code rc = BERR_SUCCESS;
3756
3757	/* check for Version 1/2/3 Timing Data Extensions */
3758	switch (hHDMI->AttachedEDID.Block[BHDM_EDID_EXT_VERSION])
3759	{
3760	case BHDM_EDID_TIMING_VERSION_1 :
3761	case BHDM_EDID_TIMING_VERSION_2 :
3762	BDBG_MSG(("Parse Version 1/2 Timing Extension ")) ;
3763	BHDM_EDID_P_ParseV1V2TimingExtension(hHDMI) ;
3764	break ;
3765
3766	case BHDM_EDID_TIMING_VERSION_3 :
3767	BDBG_MSG(("V3 Timing Extension Found in EDID Extension.")) ;
3768	BHDM_EDID_P_ParseV3TimingExtension(hHDMI) ;
3769	break ;
3770
3771	case BHDM_EDID_TIMING_VERSION_4 :
3772	BDBG_WRN(("Parsing Timing Extension Version 4 as Version 3")) ;
3773	BHDM_EDID_P_ParseV3TimingExtension(hHDMI) ;
3774	break ;
3775
3776	default :
3777	BDBG_WRN(("Uknown/Unsupported Timing Extension Version %d",
3778	hHDMI->AttachedEDID.Block[BHDM_EDID_EXT_VERSION])) ;
3779	}
3780
3781	return rc;
3782	}
3783
3784	BERR_Code BHDM_EDID_P_ProcessExtensionBlock (BHDM_Handle hHDMI)
3785	{
3786	BERR_Code rc = BERR_SUCCESS;
3787
3788	/* check for Extension type */
3789	switch (hHDMI->AttachedEDID.Block[BHDM_EDID_EXT_TAG])
3790	{
3791	case BHDM_EDID_EXT_TIMING_DATA :
3792	BDBG_MSG(("Timing Extension Block Found in EDID Extension Blocks")) ;
3793	BHDM_EDID_P_ProcessTimingExtension(hHDMI) ;
3794	break;
3795
3796	case BHDM_EDID_EXT_LCD_TIMINGS :
3797	case BHDM_EDID_EXT_EDID_2_0 :
3798	case BHDM_EDID_EXT_COLOR_INFO :
3799	case BHDM_EDID_EXT_DVI_FEATURE :
3800	case BHDM_EDID_EXT_TOUCH_SCREEN :
3801	case BHDM_EDID_EXT_MANUFACTURER :
3802	default :
3803	BDBG_WRN(("Uknown/Unsupported Extension %d",
3804	hHDMI->AttachedEDID.Block[BHDM_EDID_EXT_TAG])) ;
3805	}
3806
3807	return rc;
3808	}
3809
3810	BERR_Code BHDM_EDID_P_ProcessBlockMap (BHDM_Handle hHDMI)
3811	{
3812	BERR_Code rc = BERR_SUCCESS;
3813	uint8_t block_map[BHDM_EDID_BLOCKSIZE];
3814	uint8_t i, index;
3815
3816	index = hHDMI->AttachedEDID.CachedBlock;
3817
3818	/* Copy the block map from the hHDMI handle */
3819	for(i=0; i< BHDM_EDID_BLOCKSIZE; i++){
3820	block_map[i]=hHDMI->AttachedEDID.Block[i];
3821	}
3822
3823	i = 1;
3824	while((i < (BHDM_EDID_BLOCKSIZE-1)) && (block_map[i])){
3825	BHDM_CHECK_RC(rc, BHDM_EDID_GetNthBlock(hHDMI, (i + index), hHDMI->AttachedEDID.Block, BHDM_EDID_BLOCKSIZE)) ;
3826	BHDM_EDID_P_ProcessExtensionBlock (hHDMI);
3827	i++;
3828	}
3829
3830	if(hHDMI->AttachedEDID.BasicData.Extensions < BHDM_EDID_BLOCKSIZE) {
3831	if(hHDMI->AttachedEDID.BasicData.Extensions != i) {
3832	hHDMI->AttachedEDID.BasicData.Extensions = i;
3833	}
3834	}
3835	else {
3836	if(hHDMI->AttachedEDID.BasicData.Extensions != (i+index)) {
3837	hHDMI->AttachedEDID.BasicData.Extensions = i;
3838	}
3839	}
3840
3841	done:
3842	return rc;
3843	}
3844
3845	/******************************************************************************
3846	Summary:
3847	Notify the EDID Block to re-read the EDID; initializing the values read from the EDID
3848	*******************************************************************************/
3849	BERR_Code BHDM_EDID_Initialize(
3850	BHDM_Handle hHDMI /* [in] HDMI handle */
3851	)
3852	{
3853	BERR_Code rc ;
3854	uint8_t
3855	offset,
3856	Tag ;
3857	uint8_t SupportedTimingsFound = 0 ;
3858	BFMT_VideoFmt eVideoFmt ;
3859
3860	uint8_t i; /* indexes */
3861
3862	uint8_t RxDeviceAttached ;
3863	static const uint8_t ucEdidHeader[BHDM_EDID_HEADER_SIZE] =
3864	{ 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00} ;
3865
3866	BHDM_EDID_DetailTiming DetailTiming ;
3867	BHDM_EDID_P_VideoDescriptor *pVideoDescriptor ;
3868
3869
3870	/* make sure HDMI Cable is connected to something... */
3871	BHDM_CHECK_RC(rc, BHDM_RxDeviceAttached(hHDMI, &RxDeviceAttached));
3872	if (!RxDeviceAttached)
3873	{
3874	return BHDM_NO_RX_DEVICE ;
3875	}
3876
3877	/* dont bother reading if EDID has been bypassed (DEBUG mode only) */
3878	#if BDBG_DEBUG_BUILD
3879	if (hHDMI->DeviceSettings.BypassEDIDChecking)
3880	{
3881	BDBG_WRN(("EDID is ByPassed; all formats will attempt to display")) ;
3882
3883	for (i = 0 ; i < BFMT_VideoFmt_eMaxCount ; i++)
3884	hHDMI->AttachedEDID.BcmSupportedVideoFormats[i] = true ; /* set as supported */
3885	hHDMI->AttachedEDID.BcmVideoFormatsChecked = 1 ;
3886
3887	goto done ;
3888	}
3889	#endif
3890
3891	/* delete previous video descriptors if they exist */
3892	if (!BLST_Q_EMPTY(&hHDMI->AttachedEDID.VideoDescriptorList))
3893	{
3894	for (pVideoDescriptor=BLST_Q_FIRST(&hHDMI->AttachedEDID.VideoDescriptorList) ;
3895	pVideoDescriptor ;
3896	pVideoDescriptor=BLST_Q_FIRST(&hHDMI->AttachedEDID.VideoDescriptorList))
3897	{
3898	BLST_Q_REMOVE_HEAD(&hHDMI->AttachedEDID.VideoDescriptorList, link);
3899	BKNI_Free(pVideoDescriptor); /* free memory */
3900	}
3901	}
3902	/* clear all current EDID information */
3903	BKNI_Memset((void *) &hHDMI->AttachedEDID, 0, sizeof(BHDM_EDID_DATA)) ;
3904
3905	BDBG_MSG(("Initializing/Reading EDID Information")) ;
3906
3907	/* read the 1st EDID Block and parse the information of interest it contains */
3908
3909	/* during InitializeEDID, always force the reading of EDID block 0 */
3910	/* incorrectly implemented Hot Plug signals sometimes cause a problem */
3911	hHDMI->edidStatus = BHDM_EDID_STATE_eInitialize;
3912	BHDM_CHECK_RC(rc, BHDM_EDID_GetNthBlock(hHDMI, 0, hHDMI->AttachedEDID.Block, BHDM_EDID_BLOCKSIZE)) ;
3913
3914	/**************************************
3915	Parse Basic EDID Data
3916	**************************************/
3917
3918	if (BKNI_Memcmp(&ucEdidHeader[0], &hHDMI->AttachedEDID.Block[0],
3919	BHDM_EDID_HEADER_SIZE))
3920	{
3921	BDBG_WRN(("Invalid/Missing EDID Header %02X %02X %02X %02X %02X %02X %02X %02X... ignoring",
3922	hHDMI->AttachedEDID.Block[0], hHDMI->AttachedEDID.Block[1],
3923	hHDMI->AttachedEDID.Block[2], hHDMI->AttachedEDID.Block[3],
3924	hHDMI->AttachedEDID.Block[4], hHDMI->AttachedEDID.Block[5],
3925	hHDMI->AttachedEDID.Block[6], hHDMI->AttachedEDID.Block[7])) ;
3926	}
3927
3928	BKNI_Memcpy(&hHDMI->AttachedEDID.BasicData.VendorID,
3929	&hHDMI->AttachedEDID.Block[BHDM_EDID_VENDOR_ID], 2) ;
3930
3931	BKNI_Memcpy(&hHDMI->AttachedEDID.BasicData.ProductID,
3932	&hHDMI->AttachedEDID.Block[BHDM_EDID_PRODUCT_ID], 2) ;
3933
3934	BKNI_Memcpy(&hHDMI->AttachedEDID.BasicData.SerialNum,
3935	&hHDMI->AttachedEDID.Block[BHDM_EDID_SERIAL_NO], 4) ;
3936
3937	hHDMI->AttachedEDID.BasicData.ManufWeek=
3938	hHDMI->AttachedEDID.Block[BHDM_EDID_MANUFACTURE_WEEK] ;
3939	hHDMI->AttachedEDID.BasicData.ManufYear =
3940	hHDMI->AttachedEDID.Block[BHDM_EDID_MANUFACTURE_YEAR] ;
3941	hHDMI->AttachedEDID.BasicData.features =
3942	hHDMI->AttachedEDID.Block[BHDM_EDID_FEATURE_SUPPORT] ;
3943
3944
3945	hHDMI->AttachedEDID.BasicData.EdidVersion = hHDMI->AttachedEDID.Block[BHDM_EDID_VERSION] ;
3946	hHDMI->AttachedEDID.BasicData.EdidRevision = hHDMI->AttachedEDID.Block[BHDM_EDID_REVISION] ;
3947	hHDMI->AttachedEDID.BasicData.Extensions = hHDMI->AttachedEDID.Block[BHDM_EDID_EXTENSION] ;
3948
3949	if ((hHDMI->AttachedEDID.BasicData.EdidVersion == 0xFF)
3950	\|\| (hHDMI->AttachedEDID.BasicData.EdidRevision == 0xFF)
3951	\|\| (hHDMI->AttachedEDID.BasicData.Extensions == 0xFF)
3952	\|\| ( (hHDMI->AttachedEDID.BasicData.EdidVersion == 0x00) &&
3953	(hHDMI->AttachedEDID.BasicData.EdidRevision == 0x00) &&
3954	(hHDMI->AttachedEDID.BasicData.Extensions == 0x00) ))
3955	{
3956	/* probably read all 0xFF or 0x00; invalid EDID */
3957	BDBG_ERR(("EDID returns all 0xFF or 0x00 values. Invalid EDID information"));
3958	hHDMI->edidStatus = BHDM_EDID_STATE_eInvalid;
3959	return BHDM_EDID_NOT_FOUND;
3960	}
3961
3962	BDBG_MSG(("Version %d.%d Number of Extensions: %d",
3963	hHDMI->AttachedEDID.BasicData.EdidVersion,
3964	hHDMI->AttachedEDID.BasicData.EdidRevision, hHDMI->AttachedEDID.BasicData.Extensions)) ;
3965
3966	hHDMI->AttachedEDID.BasicData.MaxHorizSize = hHDMI->AttachedEDID.Block[BHDM_EDID_MAX_HORIZ_SIZE] ;
3967	hHDMI->AttachedEDID.BasicData.MaxVertSize = hHDMI->AttachedEDID.Block[BHDM_EDID_MAX_VERT_SIZE] ;
3968	BDBG_MSG(("H x V Size (cm): %d x %d",
3969	hHDMI->AttachedEDID.BasicData.MaxHorizSize,
3970	hHDMI->AttachedEDID.BasicData.MaxVertSize)) ;
3971
3972	/*
3973	** Additional Information for Display Purposes only
3974	** Add to EDID Data structure if desired...
3975	*/
3976	BDBG_MSG(("Manufacture Week / Year: %d / %d",
3977	hHDMI->AttachedEDID.Block[BHDM_EDID_MANUFACTURE_WEEK],
3978	hHDMI->AttachedEDID.Block[BHDM_EDID_MANUFACTURE_YEAR] + 1990)) ;
3979
3980	/* Serial Number may also be placed in a Descriptor Tag */
3981	BDBG_MSG(("Serial Number: %02X %02X %02X %02X",
3982	hHDMI->AttachedEDID.Block[BHDM_EDID_SERIAL_NO], hHDMI->AttachedEDID.Block[BHDM_EDID_SERIAL_NO+1],
3983	hHDMI->AttachedEDID.Block[BHDM_EDID_SERIAL_NO+2], hHDMI->AttachedEDID.Block[BHDM_EDID_SERIAL_NO+3])) ;
3984
3985	{
3986	#if BDBG_DEBUG_BUILD
3987	static const char *DisplayType[] =
3988	{
3989	"Monochrome Display",
3990	"RGB Display",
3991	"Non-RGB Display",
3992	"Undefined"
3993	} ;
3994	#endif
3995	BDBG_MSG(("Feature Support: <%#x>", hHDMI->AttachedEDID.BasicData.features)) ;
3996	BDBG_MSG(("\tStandby Supported: %s",
3997	g_status[(hHDMI->AttachedEDID.BasicData.features & 0x80) ? 1 : 0])) ;
3998	BDBG_MSG(("\tSuspend Supported: %s",
3999	g_status[(hHDMI->AttachedEDID.BasicData.features & 0x40) ? 1 : 0])) ;
4000	BDBG_MSG(("\tActive Off Supported: %s",
4001	g_status[(hHDMI->AttachedEDID.BasicData.features & 0x20) ? 1 : 0])) ;
4002	BDBG_MSG(("\tDisplay Type: %s",
4003	DisplayType[ (hHDMI->AttachedEDID.BasicData.features & 0x18) >> 3])) ;
4004	BDBG_MSG(("\tsRGB Colorspace Supported: %s",
4005	g_status[(hHDMI->AttachedEDID.BasicData.features & 0x04) ? 1 : 0])) ;
4006	BDBG_MSG(("\tPreferred Timing in Block 1 (must always be set): %s",
4007	g_status[(hHDMI->AttachedEDID.BasicData.features & 0x02) ? 1 : 0])) ;
4008	BDBG_MSG(("\tDefault GTF Supported: %s",
4009	g_status[(hHDMI->AttachedEDID.BasicData.features & 0x01) ? 1 : 0])) ;
4010	}
4011
4012	/*************************************************************************
4013	Parse the 4 Detailed Timing Blocks contained in this EDID Block.
4014	Should contain:
4015	1 Monitor Name,
4016	1 Monitor Range,
4017	and 1 to 2 Detailed Timing Descriptors
4018	EDID Version 1.3 and up
4019	**************************************************************************/
4020
4021	BKNI_Memset((void *) &hHDMI->AttachedEDID.DescriptorHeader, 0x0, BHDM_EDID_DESC_HEADER_LEN);
4022
4023	/* Check the four Descriptor Blocks in the initial 128 EDID bytes */
4024	/* search for non-timing desriptors first. Especially the Monitor Range */
4025	for (i = 0 ; i < 4 ; i++)
4026	{
4027	offset = BHDM_EDID_MONITOR_DESC_1 + BHDM_EDID_MONITOR_DESC_SIZE * i ;
4028
4029	/* Non-timing descriptors start with 0x00, 0x00, 0x00, <tag>, 0x00 */
4030	if (BKNI_Memcmp(&hHDMI->AttachedEDID.Block[offset],
4031	(void *) &hHDMI->AttachedEDID.DescriptorHeader, 3) == 0)
4032	{
4033	Tag = hHDMI->AttachedEDID.Block[offset+3] ;
4034
4035	/* Check which descriptor tag we found */
4036	switch (Tag)
4037	{
4038	case BHDM_EDID_TAG_MONITOR_RANGE : /* Range Limits found */
4039	BDBG_MSG(("Monitor Range found in Descriptor %d", i + 1)) ;
4040	BHDM_EDID_P_GetMonitorRange(hHDMI, offset) ;
4041	break ;
4042
4043	case BHDM_EDID_TAG_MONITOR_NAME : /* Monitor Name found */
4044	BKNI_Memcpy(
4045	hHDMI->AttachedEDID.MonitorName, &hHDMI->AttachedEDID.Block[offset + BHDM_EDID_DESC_DATA],
4046	BHDM_EDID_MONITOR_DESC_SIZE - BHDM_EDID_DESC_HEADER_LEN) ;
4047
4048	#if BDBG_DEBUG_BUILD
4049	/* replace linefeed with NULL; use offset variable as index */
4050	for (offset = 0 ; offset < BHDM_EDID_DESC_ASCII_STRING_LEN; offset++)
4051	{
4052	if (hHDMI->AttachedEDID.MonitorName[offset] == '\n')
4053	{
4054	hHDMI->AttachedEDID.MonitorName[offset] = '\0' ;
4055	break ;
4056	}
4057	}
4058	#endif
4059
4060	BDBG_MSG(("Monitor Name found in Descriptor %d", i + 1)) ;
4061	BDBG_MSG((" %s ", hHDMI->AttachedEDID.MonitorName)) ;
4062	break ;
4063
4064	case BHDM_EDID_TAG_MONITOR_SN :
4065	BDBG_MSG(("Monitor S/N found in Descriptor %d", i + 1)) ;
4066	break ;
4067
4068	case BHDM_EDID_TAG_MONITOR_ASCII :
4069	/* no support using this in EDID structure */
4070	break ;
4071
4072	case BHDM_EDID_TAG_DUMMY_DESC:
4073	/* descriptor space is unsed. */
4074	break;
4075
4076	default :
4077	/* unknown; continue processing anyway */
4078	BDBG_WRN(("Unknown Tag <%X> found in Descriptor %d; continue...",
4079	Tag, i+1)) ;
4080	}
4081	}
4082	}
4083
4084
4085	/* now process the timing descriptors */
4086	BDBG_MSG(("Detailed Timing (Preferred) Formats:")) ;
4087	BDBG_MSG(("Format HBlnk HOfst HWidth VBlnk VOfst HWidth PxlClk ScrSz")) ;
4088
4089	for (i = 0 ; i < 4 ; i++)
4090	{
4091	offset = BHDM_EDID_MONITOR_DESC_1 + BHDM_EDID_MONITOR_DESC_SIZE * i ;
4092
4093	if (BKNI_Memcmp(&hHDMI->AttachedEDID.Block[offset],
4094	(void *) &hHDMI->AttachedEDID.DescriptorHeader, 3) != 0)
4095	{
4096
4097	/* at least one Detail Timing Format has been found; */
4098	/* indicate formats have been checked */
4099	hHDMI->AttachedEDID.BcmVideoFormatsChecked = 1 ;
4100
4101	BHDM_EDID_ParseDetailedTimingDescriptor(
4102	&hHDMI->AttachedEDID.Block[offset], &DetailTiming) ;
4103
4104	BDBG_MSG(("%4d x %d (%4d%c) %3d %3d %3d %2d %2d %2d %dMHz %dx%d",
4105	DetailTiming.HorizActivePixels, DetailTiming.VerticalActiveLines,
4106	DetailTiming.Mode ?
4107	DetailTiming.VerticalActiveLines * 2 : DetailTiming.VerticalActiveLines, Mode[DetailTiming.Mode],
4108	DetailTiming.HorizBlankingPixels, DetailTiming.HSyncOffset, DetailTiming.HSyncWidth,
4109	DetailTiming.VerticalBlankingLines, DetailTiming.VSyncOffset, DetailTiming.VSyncWidth,
4110	DetailTiming.PixelClock, DetailTiming.HSize_mm, DetailTiming.VSize_mm)) ;
4111
4112	/* convert the DetailTiming to BFMT_eVideoFmt type; */
4113	if (BHDM_EDID_P_DetailTiming2VideoFmt(hHDMI, &DetailTiming, &eVideoFmt)
4114	!= BERR_SUCCESS)
4115	{
4116	BDBG_WRN(("Unknown/Unsupported Detailed Timing Format %4d x %d (%4d%c)\n",
4117	DetailTiming.HorizActivePixels, DetailTiming.VerticalActiveLines,
4118	DetailTiming.Mode ?
4119	DetailTiming.VerticalActiveLines * 2 : DetailTiming.VerticalActiveLines,
4120	Mode[DetailTiming.Mode])) ;
4121	continue /* if not a valid format */ ;
4122	}
4123	BDBG_WRN(("\n")) ;
4124
4125	/* keep a copy of first two supported detailed timings for quick retrieval */
4126	if (SupportedTimingsFound < 2)
4127	{
4128	BKNI_Memcpy(
4129	&(hHDMI->AttachedEDID.SupportedDetailTimings[SupportedTimingsFound]),
4130	&DetailTiming, sizeof(BHDM_EDID_DetailTiming)) ;
4131	}
4132
4133	/* set BFMTs that match this Detailed Timing Format as being supported */
4134	BHDM_EDID_P_SetSupportedMatchingFmts(hHDMI, eVideoFmt) ;
4135
4136	SupportedTimingsFound++ ;
4137
4138	}
4139	}
4140
4141	BHDM_EDID_P_ParseEstablishedTimingFormats(hHDMI) ;
4142
4143	hHDMI->AttachedEDID.SupportedDetailTimingsIn1stBlock = SupportedTimingsFound ;
4144
4145	/******************************************************************
4146	Parse Extension Blocks - primarily interested in Timing Extensions
4147	******************************************************************/
4148
4149	if (!hHDMI->AttachedEDID.BasicData.Extensions)
4150	{
4151	hHDMI->AttachedEDID.RxHasHdmiSupport = 0 ;
4152	/* Its not mandatory to have extension blocks. so, i dont think this is an Error. It should just spit out a message and continue. */
4153	BDBG_ERR(("No EDID Extensions Found... No HDMI Support")) ;
4154	goto done ;
4155	}
4156
4157	/* Read the 1st EDID Block and parse to see if its a block map or an extension block(extensions count should be 1). */
4158	BHDM_CHECK_RC(rc, BHDM_EDID_GetNthBlock(hHDMI, 1, hHDMI->AttachedEDID.Block, BHDM_EDID_BLOCKSIZE)) ;
4159
4160	if(hHDMI->AttachedEDID.BasicData.Extensions == 1) {
4161	rc = BHDM_EDID_P_ProcessExtensionBlock(hHDMI);
4162	}
4163	else if(hHDMI->AttachedEDID.Block[0] == BHDM_EDID_EXT_BLOCK_MAP){
4164	rc = BHDM_EDID_P_ProcessBlockMap(hHDMI);
4165
4166	/* If the number of extension blocks are more than 127, the standard needs one more block map to accomodate their extension tags. */
4167	if(hHDMI->AttachedEDID.BasicData.Extensions >= BHDM_EDID_BLOCKSIZE){
4168	/* Read the 128th EDID Block which should be a block map. */
4169	BHDM_CHECK_RC(rc, BHDM_EDID_GetNthBlock(hHDMI, 128, hHDMI->AttachedEDID.Block, BHDM_EDID_BLOCKSIZE));
4170
4171	if(hHDMI->AttachedEDID.Block[0] == BHDM_EDID_EXT_BLOCK_MAP){
4172	rc = BHDM_EDID_P_ProcessBlockMap(hHDMI);
4173	}
4174	else {
4175	BDBG_ERR(("Wrong EDID extension tag of %d found in Block 128(Block Map); should be 0xF0",hHDMI->AttachedEDID.Block[0])) ;
4176	}
4177	}
4178	}
4179	else {
4180	BDBG_ERR(("Wrong coding of the EDID Extension count in Block 0...")) ;
4181	goto done ;
4182	}
4183
4184	#if BDBG_DEBUG_BUILD
4185	/* print raw EDID info */
4186	BHDM_EDID_DumpRawEDID(hHDMI);
4187	#endif
4188
4189	done:
4190	hHDMI->edidStatus = BHDM_EDID_STATE_eOK;
4191
4192	return rc ;
4193	} /* BHDM_EDID_Initialize */
4194
4195
4196	/******************************************************************************
4197	BERR_Code BHDM_EDID_GetMonitorName
4198	Summary: Retrieve a copy of the Monitor Name stored in the EDID
4199	*******************************************************************************/
4200	BERR_Code BHDM_EDID_GetMonitorName(
4201	BHDM_Handle hHDMI, /* [in] HDMI handle */
4202	uint8_t pDescriptorText / [out] pointer to memory to hold retrieved name */
4203	)
4204	{
4205	BERR_Code rc = BERR_SUCCESS ;
4206	uint8_t RxDeviceAttached ;
4207
4208	BDBG_ENTER(BHDM_EDID_GetMonitorName) ;
4209
4210	BHDM_CHECK_RC(rc, BHDM_RxDeviceAttached(hHDMI, &RxDeviceAttached));
4211	if (!RxDeviceAttached)
4212	{
4213	return BHDM_NO_RX_DEVICE ;
4214	}
4215
4216	if (hHDMI->edidStatus == BHDM_EDID_STATE_eInvalid) {
4217	return BHDM_EDID_NOT_FOUND;
4218	}
4219
4220	#if BDBG_DEBUG_BUILD
4221	if (hHDMI->DeviceSettings.BypassEDIDChecking)
4222	{
4223	BKNI_Memcpy(pDescriptorText, EDIDByPassedText,
4224	BHDM_EDID_MONITOR_DESC_SIZE - BHDM_EDID_DESC_HEADER_LEN) ;
4225	goto done ;
4226	}
4227	#endif
4228
4229	BKNI_Memcpy(pDescriptorText, hHDMI->AttachedEDID.MonitorName, BHDM_EDID_DESC_ASCII_STRING_LEN) ;
4230
4231	done:
4232	#if BDBG_DEBUG_BUILD
4233	BDBG_MSG(("Monitor Name: <%.*s>",
4234	BHDM_EDID_DESC_ASCII_STRING_LEN, pDescriptorText)) ;
4235	#endif
4236
4237	BDBG_LEAVE(BHDM_EDID_GetMonitorName) ;
4238	return rc ;
4239	} /* end BHDM_EDID_GetMonitorName */
4240
4241
4242	BERR_Code BHDM_EDID_GetSupportedColorimetry(
4243	BHDM_Handle hHDMI, BHDM_OutputFormat eOutputFormat,
4244	BFMT_VideoFmt eVideoFmt, BAVC_MatrixCoefficients *eColorimetry)
4245	{
4246	BERR_Code rc = BERR_SUCCESS ;
4247
4248	*eColorimetry = BAVC_MatrixCoefficients_eDvi_Full_Range_RGB;
4249	if (hHDMI->edidStatus == BHDM_EDID_STATE_eInvalid) {
4250	/* Default to Full range RGB */
4251	rc = BHDM_EDID_NOT_FOUND;
4252	goto done ;
4253	}
4254
4255	if (!hHDMI->AttachedEDID.RxHasHdmiSupport)
4256	{
4257	goto done ;
4258	}
4259
4260	/* default to Limited Range RGB */
4261	*eColorimetry = BAVC_MatrixCoefficients_eHdmi_RGB ;
4262
4263	/* use YPrPb for HDMI monitors */
4264	if ((eOutputFormat == BHDM_OutputFormat_eHDMIMode)
4265	&& (hHDMI->AttachedEDID.RxVSDB.YCbCr444)) /* if supported by attached monitor */
4266	{
4267	switch (eVideoFmt)
4268	{
4269	case BFMT_VideoFmt_eDVI_640x480p : /* except for VGA mode */
4270	BDBG_MSG(("Use Full Range RGB")) ;
4271	*eColorimetry = BAVC_MatrixCoefficients_eDvi_Full_Range_RGB ;
4272	break ;
4273
4274	case BFMT_VideoFmt_eNTSC :
4275	case BFMT_VideoFmt_eNTSC_J :
4276	case BFMT_VideoFmt_e480p :
4277	case BFMT_VideoFmt_ePAL_B :
4278	case BFMT_VideoFmt_ePAL_B1 :
4279	case BFMT_VideoFmt_ePAL_D :
4280	case BFMT_VideoFmt_ePAL_D1 :
4281	case BFMT_VideoFmt_ePAL_G :
4282	case BFMT_VideoFmt_ePAL_H :
4283	case BFMT_VideoFmt_ePAL_K :
4284	case BFMT_VideoFmt_ePAL_I :
4285	case BFMT_VideoFmt_ePAL_M :
4286	case BFMT_VideoFmt_ePAL_N :
4287	case BFMT_VideoFmt_ePAL_NC :
4288	case BFMT_VideoFmt_ePAL_60 :
4289	case BFMT_VideoFmt_eSECAM_L :
4290	case BFMT_VideoFmt_eSECAM_B :
4291	case BFMT_VideoFmt_eSECAM_G :
4292	case BFMT_VideoFmt_eSECAM_D :
4293	case BFMT_VideoFmt_eSECAM_K :
4294	case BFMT_VideoFmt_eSECAM_H :
4295	case BFMT_VideoFmt_e576p_50Hz :
4296	BDBG_MSG(("Use YCrCb SD")) ;
4297	eColorimetry = BAVC_MatrixCoefficients_eSmpte_170M ; / SD Colorspace */
4298	break ;
4299
4300	default : /* all others */
4301	BDBG_MSG(("Use YCrCb HD")) ;
4302	eColorimetry = BAVC_MatrixCoefficients_eItu_R_BT_709 ; / HD Colorspace */
4303	}
4304	}
4305	#if BDBG_DEBUG_BUILD
4306	else
4307	BDBG_MSG(("DVI Monitors/Mode support RGB Only")) ;
4308	#endif
4309
4310
4311	/* use full range rgb for DVI and HDMI 640x480 */
4312	if (*eColorimetry == BAVC_MatrixCoefficients_eHdmi_RGB)
4313	{
4314	switch (eVideoFmt)
4315	{
4316	default :
4317	BDBG_MSG(("Use Limited Range RGB")) ;
4318	/* keep limited range RGB */
4319	break ;
4320
4321	case BFMT_VideoFmt_eDVI_640x480p :
4322	case BFMT_VideoFmt_eDVI_800x600p :
4323	case BFMT_VideoFmt_eDVI_1024x768p :
4324	case BFMT_VideoFmt_eDVI_1280x768p :
4325	case BFMT_VideoFmt_eDVI_1280x720p_50Hz :
4326	case BFMT_VideoFmt_eDVI_1280x720p :
4327	case BFMT_VideoFmt_eDVI_1280x720p_ReducedBlank :
4328	BDBG_MSG(("Use Full Range RGB")) ;
4329	*eColorimetry = BAVC_MatrixCoefficients_eDvi_Full_Range_RGB ;
4330	break ;
4331	}
4332	}
4333
4334	done:
4335	return rc ;
4336	}
4337
4338
4339	/******************************************************************************
4340	BERR_Code BHDM_EDID_GetExtendedColorimetry
4341	Summary: Retrieve xvYCC colorimetry info stored in the EDID
4342	*******************************************************************************/
4343	BERR_Code BHDM_EDID_GetExtendedColorimetry(
4344	BHDM_Handle hHDMI,
4345	BHDM_EDID_ExtendedColorimetry *pExtendedColorimetry)
4346	{
4347	BERR_Code rc = BERR_SUCCESS ;
4348
4349	if (hHDMI->edidStatus == BHDM_EDID_STATE_eInvalid)
4350	{
4351	return BHDM_EDID_NOT_FOUND;
4352	}
4353
4354	pExtendedColorimetry->bxvYCC601 = hHDMI->AttachedEDID.ColorimetryData.bxvYCC601 ? true : false ;
4355	pExtendedColorimetry->bxvYCC709 = hHDMI->AttachedEDID.ColorimetryData.bxvYCC709 ? true : false ;
4356
4357	return rc ;
4358	}
4359
4360	/******************************************************************************
4361	BERR_Code BHDM_EDID_GetSupportedColorDepth
4362	Summary: Retrieve a copy of the Monitor Name stored in the EDID
4363	*******************************************************************************/
4364	BERR_Code BHDM_EDID_GetSupportedColorDepth(
4365	BHDM_Handle hHDMI,
4366	BHDM_EDID_ColorDepth stSuppotedColorDepth, / [out] */
4367	bool bYCbCrPixelEncoding / [out] */
4368	)
4369	{
4370	BERR_Code rc = BERR_SUCCESS;
4371
4372	if (hHDMI->edidStatus == BHDM_EDID_STATE_eInvalid)
4373	{
4374	return BHDM_EDID_NOT_FOUND;
4375	}
4376
4377	stSuppotedColorDepth->bColorDepth24bit = true; /* standard color depth, always supported */
4378	stSuppotedColorDepth->bColorDepth30bit =
4379	hHDMI->AttachedEDID.RxVSDB.DeepColor_30bit ? true : false;
4380	stSuppotedColorDepth->bColorDepth36bit =
4381	hHDMI->AttachedEDID.RxVSDB.DeepColor_36bit ? true : false;
4382	stSuppotedColorDepth->bColorDepth48bit =
4383	hHDMI->AttachedEDID.RxVSDB.DeepColor_48bit ? true : false;
4384
4385	*bYCbCrPixelEncoding = hHDMI->AttachedEDID.RxVSDB.DeepColor_Y444 ? true : false;
4386
4387	return rc;
4388	}
4389
4390
4391
4392	/******************************************************************************
4393	BERR_Code BHDM_EDID_GetMyCecPhysicalAddr
4394	Summary: Retrieve CEC Physical info stored in the EDID
4395	*******************************************************************************/
4396	BERR_Code BHDM_EDID_GetMyCecPhysicalAddr(
4397	BHDM_Handle hHDMI,
4398	uint8_t *pMyPhysicalAddr)
4399	{
4400	BERR_Code rc = BERR_SUCCESS ;
4401
4402	if (hHDMI->edidStatus != BHDM_EDID_STATE_eOK)
4403	{
4404	return BHDM_EDID_NOT_FOUND;
4405	}
4406
4407	pMyPhysicalAddr[0] = hHDMI->AttachedEDID.RxVSDB.PhysAddr_A;
4408	pMyPhysicalAddr[0] <<= 4;
4409	pMyPhysicalAddr[0] \|= hHDMI->AttachedEDID.RxVSDB.PhysAddr_B;
4410
4411	pMyPhysicalAddr[1] = hHDMI->AttachedEDID.RxVSDB.PhysAddr_C;
4412	pMyPhysicalAddr[1] <<= 4;
4413	pMyPhysicalAddr[1] \|= hHDMI->AttachedEDID.RxVSDB.PhysAddr_D;
4414
4415	return rc ;
4416	}
4417
4418

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source: svn/newcon3bcm2_21bu/magnum/portinginterface/hdm/7552/bhdm_edid.c

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