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bvbi.c @ 66

Last change on this file since 66 was 66, checked in by megakiss, 11 years ago

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1	/***************************************************************************
2	* Copyright (c) 2003-2011, 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: bvbi.c $
11	* $brcm_Revision: Hydra_Software_Devel/5 $
12	* $brcm_Date: 2/17/11 6:31p $
13	*
14	* Module Description:
15	*
16	* Revision History:
17	*
18	* $brcm_Log: /magnum/portinginterface/vbi/7400/bvbi.c $
19	*
20	* Hydra_Software_Devel/5 2/17/11 6:31p jtna
21	* SW7420-1456: update BCHP_PWR pm code
22	*
23	* Hydra_Software_Devel/4 2/14/11 5:02p darnstein
24	* SW7420-1456: Merge BVBI work to main branch: power management.
25	*
26	* Hydra_Software_Devel/SW7420-1456/2 2/3/11 6:16p jtna
27	* SW7420-1456: add VDC_656 output to power management
28	*
29	* Hydra_Software_Devel/SW7420-1456/1 2/2/11 8:07p jtna
30	* SW7420-1456: initial work on VDC/VBI power management
31	*
32	* Hydra_Software_Devel/3 6/30/09 5:51p darnstein
33	* PR56342: support for 7550 chipset.
34	*
35	* Hydra_Software_Devel/2 12/3/08 7:55p darnstein
36	* PR45819: New, more modular form of most BVBI source files.
37	*
38	* Hydra_Software_Devel/103 9/15/08 8:57p darnstein
39	* PR46356: VPS decoder software in BVBI is ready for test.
40	*
41	* Hydra_Software_Devel/102 9/12/08 1:24p darnstein
42	* PR46112: Implement variant of CGMS-B (output) defined in CEA-805-D.
43	*
44	* Hydra_Software_Devel/101 9/8/08 1:52p darnstein
45	* PR40709: support for CGMS-B.
46	*
47	* Hydra_Software_Devel/100 9/4/08 7:16a vobadm
48	* PR 44539:
49	*
50	* Hydra_Software_Devel/bdvd_v2.0/1 8/29/08 8:01a fbasso
51	* PR 10340: 7601 build
52	*
53	* Hydra_Software_Devel/98 7/30/08 8:39p darnstein
54	* PR43926,PR43413: Workaround for TTD addressing error in hardware.
55	* Decodes at most one line of teletext per video field. Will not
56	* corrrupt memory if input signal actually contains more teletext.
57	*
58	* Hydra_Software_Devel/97 6/30/08 4:56p darnstein
59	* PR41267: Silence a Coverity complaint with a big hammer.
60	*
61	* Hydra_Software_Devel/96 6/26/08 6:04p darnstein
62	* PR39493: Remove extraneous line of code.
63	*
64	* Hydra_Software_Devel/95 5/28/08 5:41p darnstein
65	* PR43083: deallocate SCTE data when destroying a field handle.
66	*
67	* Hydra_Software_Devel/94 5/28/08 5:35p darnstein
68	* PR23220: Some implementation of Gemstar decoding was missing.
69	*
70	* Hydra_Software_Devel/93 5/19/08 2:35p darnstein
71	* PR42717,PR42733,PR42734: Fix Coverity warnings.
72	*
73	* Hydra_Software_Devel/92 5/13/08 2:08p darnstein
74	* PR34584: Port over changes from 7401 dedicated branch. Allow user to
75	* choose bit shift direction for teletext encoding.
76	*
77	* Hydra_Software_Devel/91 4/30/08 3:41p darnstein
78	* PR38956: fix problem: CGMSB not available on 7405 (and many other
79	* chipsets).
80	*
81	* Hydra_Software_Devel/90 4/28/08 7:49p darnstein
82	* PR38956: CGMS-B encoding ready for bring-up. Need accurate register
83	* settings for tuning.
84	*
85	* Hydra_Software_Devel/89 4/14/08 8:10p darnstein
86	* PR41309: Put in a 6-bit preamble in BVBI_WSS2CGMS(). I don't think that
87	* is enough though.
88	*
89	* Hydra_Software_Devel/88 4/9/08 8:02p darnstein
90	* PR37064: In previous checkin, I made a mistake in porting over from
91	* dedicated 7401 branch.
92	*
93	* Hydra_Software_Devel/87 4/8/08 6:13p darnstein
94	* PR37064: This is the same 15-lines-of-teletext problem that was solved
95	* (worked-around, actually) on the dedicated 7401 ClearCase branch.
96	*
97	* Hydra_Software_Devel/86 4/4/08 3:07p darnstein
98	* PR41359: port PR36108 to main branch. Use CGMSAE core to produce
99	* WSS/576P waveform.
100	*
101	* Hydra_Software_Devel/85 3/14/08 3:18p darnstein
102	* PR23220: Gemstar decoding almost works. Cannot process video line 11
103	* for some reason.
104	*
105	* Hydra_Software_Devel/84 3/11/08 6:49p darnstein
106	* PR23220: Fill in some missing Gemstar decoder logic.
107	*
108	* Hydra_Software_Devel/83 11/1/07 12:51p darnstein
109	* PR30411: Fix some logic errors involving multi-line closed caption vs
110	* classic closed caption.
111	*
112	* Hydra_Software_Devel/82 10/15/07 11:33a pntruong
113	* PR 35037, PR 35038, PR 35039: Fixed linux build errors.
114	*
115	* Hydra_Software_Devel/81 10/12/07 11:15a syang
116	* PR 35037, PR 35038, PR 35039: init eStatus
117	*
118	* Hydra_Software_Devel/80 10/12/07 10:58a syang
119	* PR 35037, PR 35038, PR 35039: clean up
120	*
121	* Hydra_Software_Devel/79 10/11/07 6:15p syang
122	* PR 35037, PR 35038 , PR 35039: coverity (resouce_leak) fix
123	*
124	* Hydra_Software_Devel/78 9/11/07 6:03p darnstein
125	* PR25708: Fix ClearCase merge errors. More to come.
126	*
127	* Hydra_Software_Devel/77 9/11/07 5:12p darnstein
128	* PR25708: First release of SCTE encoder software.
129	*
130	* Hydra_Software_Devel/76 6/8/07 6:30p darnstein
131	* PR31804: Deallocate bulky memory in BVBI_Field_Destroy().
132	*
133	* Hydra_Software_Devel/75 6/6/07 12:47p darnstein
134	* PR30411: multi-line closed caption encoding is ready for test.
135	*
136	* Hydra_Software_Devel/74 2/27/07 11:52a darnstein
137	* PR25990: Fix up programming of ANCI656 core, for 7400-B0 chipset.
138	*
139	* Hydra_Software_Devel/73 2/14/07 6:12p darnstein
140	* PR27721: Release resources from BVBI_Decode_Create() when it fails
141	* halfway through.
142	*
143	* Hydra_Software_Devel/72 1/17/07 5:31p darnstein
144	* PR26464: correctly handle teletext output to multiple VECs
145	*
146	* Hydra_Software_Devel/71 12/14/06 7:16p darnstein
147	* PR25990: Can compile for BCM97400-B0 now.
148	*
149	* Hydra_Software_Devel/70 11/13/06 3:07p darnstein
150	* PR23247: Serial output of teletext is ready for testing.
151	*
152	* Hydra_Software_Devel/69 11/8/06 5:13p darnstein
153	* PR23247: Serial output of teletext is partially supported now.
154	*
155	* Hydra_Software_Devel/68 9/26/06 7:37p darnstein
156	* PR24573: The BVBI porting interface module now compiles for the 7440
157	* chipset. Correct operation has not been verified.
158	*
159	* Hydra_Software_Devel/67 9/13/06 6:33p darnstein
160	* PR21688: Can now compile for 97118-A0 chipset. Correct operation is not
161	* guaranteed.
162	*
163	* Hydra_Software_Devel/66 8/18/06 6:50p darnstein
164	* PR23178: basic compile on 93563 is possible.
165	*
166	* Hydra_Software_Devel/65 5/26/06 1:20p darnstein
167	* PR21710: A field handle can be dequeued for encoding at any one of
168	* three times: top field, bottom field, or FRAME. FRAME is the new
169	* choice. The field handles themselves continue to be defined as top
170	* field, bottom field, or both. The new logic is when a field handle is
171	* dequeued at time FRAME, it is always encoded immediately. The rest of
172	* the logic is the same: a "top" field handle is only dequeued and
173	* encoded at "top field" time, same for bottoms. When setting up field
174	* interrupt callbacks, for progressive video output, the argument
175	* BAVC_Polarity_eFrame should be used now.
176	*
177	* Hydra_Software_Devel/70 11/13/06 3:07p darnstein
178	* PR23247: Serial output of teletext is ready for testing.
179	*
180	* Hydra_Software_Devel/69 11/8/06 5:13p darnstein
181	* PR23247: Serial output of teletext is partially supported now.
182	*
183	* Hydra_Software_Devel/68 9/26/06 7:37p darnstein
184	* PR24573: The BVBI porting interface module now compiles for the 7440
185	* chipset. Correct operation has not been verified.
186	*
187	* Hydra_Software_Devel/67 9/13/06 6:33p darnstein
188	* PR21688: Can now compile for 97118-A0 chipset. Correct operation is not
189	* guaranteed.
190	*
191	* Hydra_Software_Devel/66 8/18/06 6:50p darnstein
192	* PR23178: basic compile on 93563 is possible.
193	*
194	* Hydra_Software_Devel/65 5/26/06 1:20p darnstein
195	* PR21710: A field handle can be dequeued for encoding at any one of
196	* three times: top field, bottom field, or FRAME. FRAME is the new
197	* choice. The field handles themselves continue to be defined as top
198	* field, bottom field, or both. The new logic is when a field handle is
199	* dequeued at time FRAME, it is always encoded immediately. The rest of
200	* the logic is the same: a "top" field handle is only dequeued and
201	* encoded at "top field" time, same for bottoms. When setting up field
202	* interrupt callbacks, for progressive video output, the argument
203	* BAVC_Polarity_eFrame should be used now.
204	*
205	* Hydra_Software_Devel/64 4/12/06 1:56p darnstein
206	* PR18010: Add ANCI656_PRIM_ANCI656_CNTRL setting to the PR18010
207	* backwards compatibility option.
208	*
209	* Hydra_Software_Devel/63 4/11/06 7:26p darnstein
210	* PR20429: first cut at AMOL encoder software.
211	*
212	* Hydra_Software_Devel/62 3/20/06 1:08p darnstein
213	* PR19719: After changing BCHP_VBI_ENC_PRIM_Control (indirectly), poll
214	* register until it has really changed. This enforces the one transition
215	* that is critical to this PR: when disabling a VBI encoder core, the
216	* appropriate bit in BCHP_VBI_ENC_PRIM_Control must be zeroed before the
217	* individual VBI core is disabled.
218	*
219	* Hydra_Software_Devel/61 3/3/06 12:49p darnstein
220	* PR18331: When BVBI_Decode_ApplyChanges() fails, roll back hardware
221	* state completely. The state was random before this fix.
222	*
223	* Hydra_Software_Devel/60 3/2/06 4:58p darnstein
224	* PR18331: When BVBI_Encode_ApplyChanges() fails, roll back hardware
225	* state completely. The state was random before this fix.
226	*
227	* Hydra_Software_Devel/59 2/3/06 1:28p darnstein
228	* PR19428: Add #ifdef's to support the 7400 chip.
229	*
230	* Hydra_Software_Devel/58 1/18/06 2:19p darnstein
231	* PR19133: Fix two problems that were preventing VPS output.
232	*
233	* Hydra_Software_Devel/57 12/21/05 5:14p darnstein
234	* PR18341: Swap bytes of the teletext "line mask" DRAM entry on little-
235	* endian systems.
236	*
237	* Hydra_Software_Devel/56 12/5/05 7:29p darnstein
238	* PR18010: Implement work-around for the bad line number, together with
239	* an exception for customers that now depend on the bad line number.
240	*
241	* Hydra_Software_Devel/55 11/14/05 7:15p darnstein
242	* PR17732: Change the way the bottom field base video line number is
243	* expressed.
244	*
245	* Hydra_Software_Devel/54 10/21/05 7:10p darnstein
246	* PR17732: Gemstar encoder can output a waveform, but I can't make it
247	* change yet.
248	*
249	* Hydra_Software_Devel/53 10/20/05 4:16p darnstein
250	* PR17732: Fix a silly coding error.
251	*
252	* Hydra_Software_Devel/52 10/20/05 1:56p darnstein
253	* PR17732: Gemstar features not ready yet. However, the build for 97038
254	* is not broken.
255	*
256	* Hydra_Software_Devel/51 9/23/05 2:46p darnstein
257	* PR13750: Proper use of BERR_TRACE and BERR_CODEs.
258	*
259	* Hydra_Software_Devel/50 9/19/05 2:56p darnstein
260	* PR17151: Check for chip name where needed. Also, convert to new scheme
261	* for testing chip revisions (BCHP_VER).
262	*
263	* Hydra_Software_Devel/49 8/22/05 8:10p darnstein
264	* PR16057: To support many different chips, use private #defines that
265	* specify number of VECs, VDECs, and (separately) pass-through VECs.
266	*
267	* Hydra_Software_Devel/48 7/7/05 3:34p darnstein
268	* PR 16008: The default settings struct for BVBI_Open() now allows the
269	* user to choose a buffer size for capturing ancillary data packets in
270	* incoming ITU-R 656 digital video.
271	*
272	* Hydra_Software_Devel/47 7/6/05 5:54p darnstein
273	* PR 16008: Input of closed caption data in SAA7113 ancillary data
274	* packets of ITU-R 656 digital video has been confirmed. SAA7114 input
275	* almost certainly needs some debugging though.
276	*
277	* Hydra_Software_Devel/46 6/15/05 5:05p darnstein
278	* PR 14487: Put in runtime checking for workaround for hardware PR 13583.
279	*
280	* Hydra_Software_Devel/45 5/18/05 5:47p darnstein
281	* PR 11440: Progress towards ITU-R 656 input of VBI data.
282	*
283	* Hydra_Software_Devel/44 4/14/05 12:00p darnstein
284	* PR 14720: For each reference to BCHP_REV_B[01], add a BCHP_REV_B2.
285	* Still untested.
286	*
287	* Hydra_Software_Devel/43 3/18/05 5:12p darnstein
288	* PR 14518: allow CGMS and WSS output to be persistent.
289	*
290	* Hydra_Software_Devel/42 3/18/05 4:12p darnstein
291	* PR 14472: BVBI_Encode_Create() errors out right away if caller attempts
292	* to open on secondary VEC, on a BCM3560 chip.
293	*
294	* Hydra_Software_Devel/41 3/9/05 3:44p darnstein
295	* PR 11440: fix errors involving ITU-R 656 input and output.
296	*
297	* Hydra_Software_Devel/40 2/15/05 1:20p darnstein
298	* PR 14118: Use function argument as required (twice). Bug discovered at
299	* the source by Perrier.
300	*
301	* Hydra_Software_Devel/39 12/13/04 7:44p darnstein
302	* PR 13516: Do not turn closed caption encoder off just because there is
303	* no data immediately ready for output.
304	*
305	* Hydra_Software_Devel/38 7/22/04 12:44p darnstein
306	* PR 9080: change names of BVBI GetDisplayFormat functions to
307	* GetVideoFormat. This change should have been made in the revision
308	* Hydra_Software_Devel/32 on 4/2/04.
309	*
310	* Hydra_Software_Devel/37 7/16/04 7:06p darnstein
311	* PR 9080: merge in 656 input and output work. Some testing and debugging
312	* remains to be done.
313	*
314	* Hydra_Software_Devel/I656/5 7/16/04 6:22p darnstein
315	* Don't de-initialize IN656 core. It may hang the memory bus!
316	*
317	* Hydra_Software_Devel/I656/4 7/15/04 8:15p darnstein
318	* Don't initialize IN656 core. It may hang the memory bus!
319	*
320	* Hydra_Software_Devel/I656/3 7/15/04 5:51p darnstein
321	* Allow choice of sdid field in ancillary data packets written out.
322	*
323	* Hydra_Software_Devel/I656/2 7/8/04 7:44p darnstein
324	* ITU-R 656 decoding of VBI seems to be ready for bring up. Expect bugs.
325	*
326	* Hydra_Software_Devel/I656/1 6/28/04 1:10p darnstein
327	* 656 output is ready for testing.
328	*
329	* Hydra_Software_Devel/36 6/17/04 6:19p darnstein
330	* PR 11443: Get rid of a kludge that was only needed in revision -A0 of
331	* the hardware.
332	*
333	* Hydra_Software_Devel/35 6/17/04 5:54p darnstein
334	* PR 9080: Do a better job of handling the fact that WSS and VPS only
335	* occur on top field.
336	*
337	* Hydra_Software_Devel/34 5/6/04 6:16p darnstein
338	* PR 9080: choose video line for interrupt, even if no VBI data is to be
339	* processed. Useful for testing.
340	*
341	* Hydra_Software_Devel/33 4/29/04 3:31p darnstein
342	* PR 9080: do video format check before programming VPS core.
343	*
344	* Hydra_Software_Devel/32 4/2/04 2:12p darnstein
345	* PR 9080: change names of BVBI SetDisplayFormat functions to
346	* SetVideoFormat. This change prevents wastage of VS cycles.
347	*
348	* Hydra_Software_Devel/31 3/26/04 1:44p darnstein
349	* PR 8543: Work around for "teletext lines in use" hardware bug.
350	*
351	* Hydra_Software_Devel/30 3/18/04 11:03a darnstein
352	* PR 9080: program the VD_TOP_vd_interrupt register to get decoding ISR
353	* at the correct moment.
354	*
355	* Hydra_Software_Devel/29 3/12/04 5:51p darnstein
356	* PR 9080: Teletext for NTSC is working, with a kludge for an A0 hardware
357	* flaw. There is a lot of debug code that will be removed later.
358	*
359	* Hydra_Software_Devel/28 3/4/04 4:23p darnstein
360	* PR 9080: Fix some logic errors concerning activation of VBI. Add some
361	* functionality needed by progressive video formats.
362	*
363	* Hydra_Software_Devel/27 2/27/04 6:13p darnstein
364	* PR 9080: Fix misuse of BDBG_ASSERT macro. Add checks for valid video
365	* format.
366	*
367	* Hydra_Software_Devel/26 2/26/04 3:13p darnstein
368	* PR 9906: When doing CRC computation in software, cache last computation
369	* for reuse, to save CPU cycles.
370	*
371	* Hydra_Software_Devel/25 2/6/04 11:48a darnstein
372	* PR 9080: Better handle VBI decoding errors.
373	*
374	* Hydra_Software_Devel/24 2/3/04 4:42p darnstein
375	* PR 9080: fix logic errors in handling decoding errors. A few other
376	* minor fixes.
377	*
378	* Hydra_Software_Devel/23 1/27/04 6:22p darnstein
379	* PR 9080: Don't check for overrun errors on encoding. It is only
380	* possible for closed caption encoding, anyway.
381	*
382	* Hydra_Software_Devel/22 1/23/04 4:08p darnstein
383	* PR 9080: Routines used in (pseudo) ISRs have no critical sections.
384	*
385	* Hydra_Software_Devel/21 1/20/04 1:20p darnstein
386	* PR 9338: Don't fiddle with VBI_ENC_xxx_Control registers. The VDC
387	* module owns them now.
388	*
389	* Hydra_Software_Devel/20 1/15/04 4:23p darnstein
390	* PR 9080: Many fixes. Closed caption encoding seems to work now.
391	*
392	* Hydra_Software_Devel/19 12/22/03 5:18p darnstein
393	* PR 9080: fix a stupid bug.
394	*
395	* Hydra_Software_Devel/18 12/19/03 5:20p darnstein
396	* PR 9080: adapt to changed BAVC enum for field polarity.
397	*
398	* Hydra_Software_Devel/17 12/19/03 5:04p darnstein
399	* PR 9080: many changes. Still not working.
400	*
401	* Hydra_Software_Devel/16 10/17/03 3:38p darnstein
402	* VBI encoding can be disabled for one field time.
403	*
404	* Hydra_Software_Devel/15 10/16/03 4:27p darnstein
405	* Use revised #define BAVC_SourceId_eVdec0.
406	*
407	* Hydra_Software_Devel/14 10/16/03 1:21p darnstein
408	* Fix usage of BDBG_ENTER(), BDBG_LEAVE().
409	*
410	* Hydra_Software_Devel/13 10/14/03 11:26a darnstein
411	* Change polarity to polarityMask in BVBI_P_Field_Handle.
412	*
413	* Hydra_Software_Devel/12 10/9/03 4:00p darnstein
414	* Change name of several API functions to indicate that they may be
415	* called from an ISR. Add polarity attribute to BVBI_Field_Handle and
416	* use it in the API. Fix some typing errors.
417	*
418	* Hydra_Software_Devel/11 10/9/03 1:17p darnstein
419	* Add "use count" attribute to BVBI_Field_Handle. Not for general use!
420	*
421	* Hydra_Software_Devel/10 10/2/03 2:25p darnstein
422	* Remove improper use of BERR_TRACE.
423	* Put in some missing BDBG_LEAVE statements.
424	*
425	* Hydra_Software_Devel/9 10/1/03 10:54a darnstein
426	* Take out some debug code that caused problems in nightly build.
427	*
428	* Hydra_Software_Devel/8 9/25/03 5:37p darnstein
429	* Fix simple typo for BDBG_ASSERT
430	*
431	* Hydra_Software_Devel/7 9/25/03 4:48p darnstein
432	* BVBI module is mostly complete. The only things that I know are missing
433	* are the critical sections, 656 support, macrovision support, and LOTS
434	* OF TESTING.
435	*
436	* Hydra_Software_Devel/6 9/12/03 6:50p darnstein
437	* Done except for VPS, teletext, critical sections, and (lots of)
438	* testing.
439	*
440	* Hydra_Software_Devel/5 9/10/03 5:20p darnstein
441	* Change API according to agreement with Jason (yesterday). Add
442	* documentation of function return values. More documentation is needed
443	* though.
444	*
445	* Hydra_Software_Devel/4 9/9/03 7:53p darnstein
446	* I think all API functions have been implemented, though some with
447	* stubs.
448	*
449	* Hydra_Software_Devel/3 9/2/03 8:08p darnstein
450	* Still not ready for use.
451	*
452	* Hydra_Software_Devel/2 8/29/03 6:47p darnstein
453	* Implementation of the most general parts of the VBI API.
454	*
455	* Hydra_Software_Devel/1 8/28/03 11:35a darnstein
456	* Implementation of the most general parts of the VBI API.
457	*
458	***************************************************************************/
459
460	#include "bstd.h" /* standard types */
461	#include "bdbg.h" /* Dbglib */
462	#include "bkni.h" /* malloc */
463	#include "bvbi.h" /* VBI processing, this module. */
464	#include "bvbi_priv.h" /* VBI internal data structures */
465
466	#ifdef BCHP_PWR_SUPPORT
467	#include "bchp_pwr.h"
468	#endif
469
470	BDBG_MODULE(BVBI);
471
472	/***************************************************************************
473	* Private data items
474	***************************************************************************/
475
476	static const BVBI_Settings s_DefaultSettings =
477	{
478	24576, /* in656bufferSize */
479	false /* tteShiftDirMsb2Lsb */
480	};
481
482	static const BVBI_XSER_Settings s_XSER_DefaultSettings =
483	{
484	BVBI_TTserialDataContent_DataMagFrmRun, /* xsSerialDataContent */
485	BVBI_TTserialDataSync_EAV, /* ttSerialDataSync */
486	27 /* iTTserialDataSyncDelay */
487	};
488	/* TODO: determine sensible defaults (above) from our customers. */
489
490	/***************************************************************************
491	* Implementation of "BVBI_" API functions
492	***************************************************************************/
493
494	/***************************************************************************
495	*
496	*/
497	BERR_Code BVBI_GetDefaultSettings( BVBI_Settings *pSettings )
498	{
499	BDBG_ENTER(BVBI_GetDefaultSettings);
500
501	if (!pSettings)
502	{
503	BDBG_ERR(("Invalid parameter\n"));
504	return BERR_TRACE(BERR_INVALID_PARAMETER);
505	}
506
507	*pSettings = s_DefaultSettings;
508
509	BDBG_LEAVE(BVBI_GetDefaultSettings);
510
511	return BERR_SUCCESS;
512	}
513
514
515	/***************************************************************************
516	*
517	*/
518	BERR_Code BVBI_Open
519	( BVBI_Handle *pVbiHandle,
520	BCHP_Handle hChip,
521	BREG_Handle hRegister,
522	BMEM_Handle hMemory,
523	const BVBI_Settings *pDefSettings )
524	{
525	int type;
526	BERR_Code eErr;
527	BVBI_P_Handle *pVbi = NULL;
528	const BVBI_Settings* settings =
529	(pDefSettings ? pDefSettings : &s_DefaultSettings);
530
531	BDBG_ENTER(BVBI_Open);
532
533	if((!pVbiHandle) \|\|
534	(!hChip) \|\|
535	(!hRegister) \|\|
536	(!hMemory))
537	{
538	BDBG_ERR(("Invalid parameter\n"));
539	eErr = BERR_TRACE(BERR_INVALID_PARAMETER);
540	goto BVBI_Open_Done;
541	}
542
543	/* Alloc the main VBI context. */
544	pVbi = (BVBI_P_Handle*)(BKNI_Malloc(sizeof(BVBI_P_Handle)));
545
546	if(!pVbi)
547	{
548	eErr = BERR_TRACE(BERR_OUT_OF_SYSTEM_MEMORY);
549	goto BVBI_Open_Done;
550	}
551
552	/* Clear out the context and set defaults. */
553	BKNI_Memset((void*)pVbi, 0x0, sizeof(BVBI_P_Handle));
554
555	/* Initialize magic number to the size of the struct */
556	pVbi->ulBlackMagic = sizeof(BVBI_P_Handle);
557
558	/* Store the hChip, hRegister, hMemory, and hRdc for later use. */
559	pVbi->hChip = hChip;
560	pVbi->hReg = hRegister;
561	pVbi->hMem = hMemory;
562
563	/* Store other settings from user */
564	pVbi->in656bufferSize = settings->in656bufferSize;
565	pVbi->tteShiftDirMsb2Lsb = settings->tteShiftDirMsb2Lsb;
566
567	/* Initialize empty lists of decode and encode contexts */
568	BLST_D_INIT(&pVbi->decode_contexts);
569	BLST_D_INIT(&pVbi->encode_contexts);
570
571	/* Initialize freelists for bulky data */
572	BVBI_P_LCOP_INITFREELIST (&pVbi->ttFreelist);
573
574	/* Clear out list of "in use" VEC cores */
575	for (type = 0 ; type < BVBI_P_EncCoreType_eLAST ; ++type)
576	{
577	pVbi->vecHwCoreMask[type] = 0x0;
578	pVbi->vecHwCoreMask_656[type] = 0x0;
579	}
580
581	#ifdef BCHP_PWR_RESOURCE_VDC_VEC
582	BCHP_PWR_AcquireResource(pVbi->hChip, BCHP_PWR_RESOURCE_VDC_VEC);
583	#endif
584	#ifdef BCHP_PWR_RESOURCE_VDC_656_OUT
585	BCHP_PWR_AcquireResource(pVbi->hChip, BCHP_PWR_RESOURCE_VDC_656_OUT);
586	#endif
587
588	/* Bang on the hardware until it makes a nice sound */
589	if ((eErr = BERR_TRACE (BVBI_P_CC_Init (pVbi))) != BERR_SUCCESS)
590	{
591	goto BVBI_Open_Done;
592	}
593	if ((eErr = BERR_TRACE (BVBI_P_CGMS_Init (pVbi))) != BERR_SUCCESS)
594	{
595	goto BVBI_Open_Done;
596	}
597	if ((eErr = BERR_TRACE (BVBI_P_WSS_Init (pVbi))) != BERR_SUCCESS)
598	{
599	goto BVBI_Open_Done;
600	}
601	if ((eErr = BERR_TRACE (BVBI_P_VPS_Init (pVbi))) != BERR_SUCCESS)
602	{
603	goto BVBI_Open_Done;
604	}
605	if ((eErr = BERR_TRACE (BVBI_P_TT_Init (pVbi))) != BERR_SUCCESS)
606	{
607	goto BVBI_Open_Done;
608	}
609	#if (BVBI_P_NUM_GSE > 0)
610	if ((eErr = BERR_TRACE (BVBI_P_GS_Init (pVbi))) != BERR_SUCCESS)
611	{
612	goto BVBI_Open_Done;
613	}
614	#endif
615	#if (BVBI_P_NUM_AMOLE > 0)
616	if ((eErr = BERR_TRACE (BVBI_P_AMOL_Init (pVbi))) != BERR_SUCCESS)
617	{
618	goto BVBI_Open_Done;
619	}
620	#endif
621	#if (BVBI_P_NUM_SCTEE > 0)
622	if ((eErr = BERR_TRACE (BVBI_P_SCTE_Init (pVbi))) != BERR_SUCCESS)
623	{
624	goto BVBI_Open_Done;
625	}
626	#endif
627	if ((eErr = BERR_TRACE (BVBI_P_VE_Init (pVbi))) != BERR_SUCCESS)
628	{
629	goto BVBI_Open_Done;
630	}
631	#if (BVBI_P_HAS_XSER_TT)
632	if ((eErr = BERR_TRACE (
633	BVBI_P_ITU656_Init (pVbi->hReg, BVBI_P_GetDefaultXserSettings())))
634	!= BERR_SUCCESS)
635	{
636	goto BVBI_Open_Done;
637	}
638	#endif
639	#if (BVBI_P_NUM_ANCI656_656 > 0)
640	if ((eErr = BERR_TRACE (BVBI_P_A656_Init (pVbi))) != BERR_SUCCESS)
641	{
642	goto BVBI_Open_Done;
643	}
644	#endif
645	#if (BVBI_P_NUM_IN656 > 0)
646	if ((eErr = BERR_TRACE (BVBI_P_IN656_Init (pVbi))) != BERR_SUCCESS)
647	{
648	goto BVBI_Open_Done;
649	}
650	#endif
651
652	/* All done. now return the new fresh context to user. */
653	*pVbiHandle = (BVBI_Handle)pVbi;
654
655	BVBI_Open_Done:
656
657	BDBG_LEAVE(BVBI_Open);
658
659	if ((BERR_SUCCESS != eErr) && (NULL != pVbi)) {
660	/* release power if open fails */
661	#ifdef BCHP_PWR_RESOURCE_VDC_656_OUT
662	BCHP_PWR_ReleaseResource(pVbi->hChip, BCHP_PWR_RESOURCE_VDC_656_OUT);
663	#endif
664	#ifdef BCHP_PWR_RESOURCE_VDC_VEC
665	BCHP_PWR_ReleaseResource(pVbi->hChip, BCHP_PWR_RESOURCE_VDC_VEC);
666	#endif
667	BKNI_Free((void*)pVbi);
668	}
669
670	return eErr;
671	}
672
673
674	/***************************************************************************
675	*
676	*/
677	void BVBI_Close ( BVBI_Handle vbiHandle )
678	{
679	BVBI_P_Handle *pVbi;
680	BERR_Code eErr;
681
682	BDBG_ENTER(BVBI_Close);
683
684	/* check parameters */
685	BVBI_P_GET_CONTEXT(vbiHandle, pVbi);
686	BDBG_ASSERT (pVbi != NULL);
687
688	/* Refuse service if user left any decoder objects open */
689	BDBG_ASSERT (NULL == BLST_D_FIRST (&pVbi->decode_contexts));
690
691	/* Refuse service if user left any encoder objects open */
692	BDBG_ASSERT (NULL == BLST_D_FIRST (&pVbi->encode_contexts));
693
694	/* Close the individual cores. These same functions were used in
695	BVBI_Open(). */
696	eErr = BERR_TRACE (BVBI_P_CC_Init (pVbi));
697	BDBG_ASSERT (eErr == BERR_SUCCESS);
698	eErr = BERR_TRACE (BVBI_P_CGMS_Init (pVbi));
699	BDBG_ASSERT (eErr == BERR_SUCCESS);
700	eErr = BERR_TRACE (BVBI_P_WSS_Init (pVbi));
701	BDBG_ASSERT (eErr == BERR_SUCCESS);
702	eErr = BERR_TRACE (BVBI_P_TT_Init (pVbi));
703	BDBG_ASSERT (eErr == BERR_SUCCESS);
704	eErr = BERR_TRACE (BVBI_P_VPS_Init (pVbi));
705	BDBG_ASSERT (eErr == BERR_SUCCESS);
706	#if (BVBI_P_NUM_GSE > 0)
707	eErr = BERR_TRACE (BVBI_P_GS_Init (pVbi));
708	BDBG_ASSERT (eErr == BERR_SUCCESS);
709	#endif
710	#if (BVBI_P_NUM_AMOLE > 0)
711	eErr = BERR_TRACE (BVBI_P_AMOL_Init (pVbi));
712	BDBG_ASSERT (eErr == BERR_SUCCESS);
713	#endif
714	#if (BVBI_P_NUM_SCTEE > 0)
715	eErr = BERR_TRACE (BVBI_P_SCTE_Init (pVbi));
716	BDBG_ASSERT (eErr == BERR_SUCCESS);
717	#endif
718	eErr = BERR_TRACE (BVBI_P_VE_Init (pVbi));
719	BDBG_ASSERT (eErr == BERR_SUCCESS);
720	#if (BVBI_P_HAS_XSER_TT)
721	eErr =
722	BERR_TRACE (
723	BVBI_P_ITU656_Init (pVbi->hReg, BVBI_P_GetDefaultXserSettings()));
724	BDBG_ASSERT (eErr == BERR_SUCCESS);
725	#endif
726	#if (BVBI_P_NUM_ANCI656_656 > 0)
727	eErr = BERR_TRACE (BVBI_P_A656_Init (pVbi));
728	BDBG_ASSERT (eErr == BERR_SUCCESS);
729	#endif
730	#if (BVBI_P_NUM_IN656 > 0)
731	eErr = BERR_TRACE (BVBI_P_IN656_Init(pVbi));
732	BDBG_ASSERT (eErr == BERR_SUCCESS);
733	#endif
734
735	/* The handle is invalid */
736	pVbi->ulBlackMagic = 0;
737
738	/* Sanity check for bulky storage */
739	BDBG_ASSERT (pVbi->ttFreelist.l_co == 0x0);
740
741	#ifdef BCHP_PWR_RESOURCE_VDC_656_OUT
742	BCHP_PWR_ReleaseResource(pVbi->hChip, BCHP_PWR_RESOURCE_VDC_656_OUT);
743	#endif
744	#ifdef BCHP_PWR_RESOURCE_VDC_VEC
745	BCHP_PWR_ReleaseResource(pVbi->hChip, BCHP_PWR_RESOURCE_VDC_VEC);
746	#endif
747
748	/* Release context in system memory */
749	BKNI_Free((void*)pVbi);
750
751	BDBG_LEAVE(BVBI_Close);
752	}
753
754	/***************************************************************************
755	*
756	*/
757	BERR_Code BVBI_Standby
758	( BVBI_Handle hVbi,
759	BVBI_StandbySettings *pSettings )
760	{
761	BVBI_P_Handle *pVbi;
762	BSTD_UNUSED(pSettings); /* unused for now */
763
764	BVBI_P_GET_CONTEXT(hVbi, pVbi);
765	BDBG_ASSERT (pVbi != NULL);
766
767	/* TODO: if BVBI is in use and there are clocks that need to be kept powered,
768	we should short-circuit and return an error. for now, no such check is deemed necessary */
769	if (0) {
770	BDBG_ERR(("Cannot enter standby due to ( ) in use"));
771	return BERR_UNKNOWN;
772	}
773
774	#ifdef BCHP_PWR_RESOURCE_VDC_656_OUT
775	BCHP_PWR_ReleaseResource(pVbi->hChip, BCHP_PWR_RESOURCE_VDC_656_OUT);
776	#endif
777	#ifdef BCHP_PWR_RESOURCE_VDC_VEC
778	BCHP_PWR_ReleaseResource(pVbi->hChip, BCHP_PWR_RESOURCE_VDC_VEC);
779	#endif
780	return BERR_SUCCESS;
781	}
782
783	/***************************************************************************
784	*
785	*/
786	BERR_Code BVBI_Resume (BVBI_Handle hVbi)
787	{
788	BVBI_P_Handle *pVbi;
789
790	BVBI_P_GET_CONTEXT(hVbi, pVbi);
791	BDBG_ASSERT (pVbi != NULL);
792
793	#ifdef BCHP_PWR_RESOURCE_VDC_VEC
794	BCHP_PWR_AcquireResource(pVbi->hChip, BCHP_PWR_RESOURCE_VDC_VEC);
795	#endif
796	#ifdef BCHP_PWR_RESOURCE_VDC_656_OUT
797	BCHP_PWR_AcquireResource(pVbi->hChip, BCHP_PWR_RESOURCE_VDC_656_OUT);
798	#endif
799	return BERR_SUCCESS;
800	}
801
802	/***************************************************************************
803	* VBI private (top level) functions
804	***************************************************************************/
805
806	const BVBI_XSER_Settings* BVBI_P_GetDefaultXserSettings (void)
807	{
808	return &s_XSER_DefaultSettings;
809	}
810
811	/***************************************************************************
812	*
813	*/
814	uint32_t BVBI_P_LEBE_SWAP (uint32_t ulDatum)
815	{
816	uint8_t temp;
817	union {
818	uint8_t b[4];
819	uint32_t l;
820	} scratch;
821
822	scratch.l = ulDatum;
823	P_SWAP (scratch.b[0], scratch.b[3], temp);
824	P_SWAP (scratch.b[1], scratch.b[2], temp);
825
826	return scratch.l;
827	}
828
829
830	/***************************************************************************
831	*
832	*/
833	uint32_t BVBI_WSS2CGMS (uint16_t wssData)
834	{
835	int iBit;
836	uint32_t cgmsData;
837
838	/* Insert the 6 bit preamble */
839	cgmsData = 0x3E;
840
841	/* Left justify the user's data */
842	wssData <<= 3;
843
844	/* Slide in the user's data */
845	for (iBit = 0 ; iBit < 13 ; ++iBit)
846	{
847	cgmsData <<= 2;
848
849	/* Process input data MSb first */
850	if (wssData & (uint16_t)(0x8000))
851	{
852	/* 1 bits get encoded as 10 */
853	cgmsData \|= 0x2;
854	}
855	else
856	{
857	/* 0 bits get encoded as 01 */
858	cgmsData \|= 0x1;
859	}
860
861	/* Next bit please */
862	wssData <<= 1;
863	}
864
865	return cgmsData;
866	}
867
868	/* End of File */

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source: svn/newcon3bcm2_21bu/magnum/portinginterface/vbi/7552/bvbi.c @ 66

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