1 /*
2 * Copyright (C) 2005-2006 Micronas USA Inc.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License (Version 2) as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 */
13
14 /*
15 * This file contains code to generate a firmware image for the GO7007SB
16 * encoder. Much of the firmware is read verbatim from a file, but some of
17 * it concerning bitrate control and other things that can be configured at
18 * run-time are generated dynamically. Note that the format headers
19 * generated here do not affect the functioning of the encoder; they are
20 * merely parroted back to the host at the start of each frame.
21 */
22
23 #include <linux/module.h>
24 #include <linux/time.h>
25 #include <linux/mm.h>
26 #include <linux/device.h>
27 #include <linux/i2c.h>
28 #include <linux/firmware.h>
29 #include <linux/slab.h>
30 #include <asm/byteorder.h>
31
32 #include "go7007-priv.h"
33
34 #define GO7007_FW_NAME "go7007/go7007tv.bin"
35
36 /* Constants used in the source firmware image to describe code segments */
37
38 #define FLAG_MODE_MJPEG (1)
39 #define FLAG_MODE_MPEG1 (1<<1)
40 #define FLAG_MODE_MPEG2 (1<<2)
41 #define FLAG_MODE_MPEG4 (1<<3)
42 #define FLAG_MODE_H263 (1<<4)
43 #define FLAG_MODE_ALL (FLAG_MODE_MJPEG | FLAG_MODE_MPEG1 | \
44 FLAG_MODE_MPEG2 | FLAG_MODE_MPEG4 | \
45 FLAG_MODE_H263)
46 #define FLAG_SPECIAL (1<<8)
47
48 #define SPECIAL_FRM_HEAD 0
49 #define SPECIAL_BRC_CTRL 1
50 #define SPECIAL_CONFIG 2
51 #define SPECIAL_SEQHEAD 3
52 #define SPECIAL_AV_SYNC 4
53 #define SPECIAL_FINAL 5
54 #define SPECIAL_AUDIO 6
55 #define SPECIAL_MODET 7
56
57 /* Little data class for creating MPEG headers bit-by-bit */
58
59 struct code_gen {
60 unsigned char *p; /* destination */
61 u32 a; /* collects bits at the top of the variable */
62 int b; /* bit position of most recently-written bit */
63 int len; /* written out so far */
64 };
65
66 #define CODE_GEN(name, dest) struct code_gen name = { dest, 0, 32, 0 }
67
68 #define CODE_ADD(name, val, length) do { \
69 name.b -= (length); \
70 name.a |= (val) << name.b; \
71 while (name.b <= 24) { \
72 *name.p = name.a >> 24; \
73 ++name.p; \
74 name.a <<= 8; \
75 name.b += 8; \
76 name.len += 8; \
77 } \
78 } while (0)
79
80 #define CODE_LENGTH(name) (name.len + (32 - name.b))
81
82 /* Tables for creating the bitrate control data */
83
84 static const s16 converge_speed_ip[101] = {
85 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
86 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
87 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
88 1, 1, 1, 1, 1, 1, 1, 1, 1, 2,
89 2, 2, 2, 2, 2, 2, 2, 2, 2, 3,
90 3, 3, 3, 3, 3, 4, 4, 4, 4, 4,
91 5, 5, 5, 6, 6, 6, 7, 7, 8, 8,
92 9, 10, 10, 11, 12, 13, 14, 15, 16, 17,
93 19, 20, 22, 23, 25, 27, 30, 32, 35, 38,
94 41, 45, 49, 53, 58, 63, 69, 76, 83, 91,
95 100
96 };
97
98 static const s16 converge_speed_ipb[101] = {
99 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
100 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
101 3, 3, 3, 3, 3, 4, 4, 4, 4, 4,
102 4, 4, 4, 4, 5, 5, 5, 5, 5, 6,
103 6, 6, 6, 7, 7, 7, 7, 8, 8, 9,
104 9, 9, 10, 10, 11, 12, 12, 13, 14, 14,
105 15, 16, 17, 18, 19, 20, 22, 23, 25, 26,
106 28, 30, 32, 34, 37, 40, 42, 46, 49, 53,
107 57, 61, 66, 71, 77, 83, 90, 97, 106, 115,
108 125, 135, 147, 161, 175, 191, 209, 228, 249, 273,
109 300
110 };
111
112 static const s16 LAMBDA_table[4][101] = {
113 { 16, 16, 16, 16, 17, 17, 17, 18, 18, 18,
114 19, 19, 19, 20, 20, 20, 21, 21, 22, 22,
115 22, 23, 23, 24, 24, 25, 25, 25, 26, 26,
116 27, 27, 28, 28, 29, 29, 30, 31, 31, 32,
117 32, 33, 33, 34, 35, 35, 36, 37, 37, 38,
118 39, 39, 40, 41, 42, 42, 43, 44, 45, 46,
119 46, 47, 48, 49, 50, 51, 52, 53, 54, 55,
120 56, 57, 58, 59, 60, 61, 62, 63, 64, 65,
121 67, 68, 69, 70, 72, 73, 74, 76, 77, 78,
122 80, 81, 83, 84, 86, 87, 89, 90, 92, 94,
123 96
124 },
125 {
126 20, 20, 20, 21, 21, 21, 22, 22, 23, 23,
127 23, 24, 24, 25, 25, 26, 26, 27, 27, 28,
128 28, 29, 29, 30, 30, 31, 31, 32, 33, 33,
129 34, 34, 35, 36, 36, 37, 38, 38, 39, 40,
130 40, 41, 42, 43, 43, 44, 45, 46, 47, 48,
131 48, 49, 50, 51, 52, 53, 54, 55, 56, 57,
132 58, 59, 60, 61, 62, 64, 65, 66, 67, 68,
133 70, 71, 72, 73, 75, 76, 78, 79, 80, 82,
134 83, 85, 86, 88, 90, 91, 93, 95, 96, 98,
135 100, 102, 103, 105, 107, 109, 111, 113, 115, 117,
136 120
137 },
138 {
139 24, 24, 24, 25, 25, 26, 26, 27, 27, 28,
140 28, 29, 29, 30, 30, 31, 31, 32, 33, 33,
141 34, 34, 35, 36, 36, 37, 38, 38, 39, 40,
142 41, 41, 42, 43, 44, 44, 45, 46, 47, 48,
143 49, 50, 50, 51, 52, 53, 54, 55, 56, 57,
144 58, 59, 60, 62, 63, 64, 65, 66, 67, 69,
145 70, 71, 72, 74, 75, 76, 78, 79, 81, 82,
146 84, 85, 87, 88, 90, 92, 93, 95, 97, 98,
147 100, 102, 104, 106, 108, 110, 112, 114, 116, 118,
148 120, 122, 124, 127, 129, 131, 134, 136, 138, 141,
149 144
150 },
151 {
152 32, 32, 33, 33, 34, 34, 35, 36, 36, 37,
153 38, 38, 39, 40, 41, 41, 42, 43, 44, 44,
154 45, 46, 47, 48, 49, 50, 50, 51, 52, 53,
155 54, 55, 56, 57, 58, 59, 60, 62, 63, 64,
156 65, 66, 67, 69, 70, 71, 72, 74, 75, 76,
157 78, 79, 81, 82, 84, 85, 87, 88, 90, 92,
158 93, 95, 97, 98, 100, 102, 104, 106, 108, 110,
159 112, 114, 116, 118, 120, 122, 124, 127, 129, 131,
160 134, 136, 139, 141, 144, 146, 149, 152, 154, 157,
161 160, 163, 166, 169, 172, 175, 178, 181, 185, 188,
162 192
163 }
164 };
165
166 /* MPEG blank frame generation tables */
167
168 enum mpeg_frame_type {
169 PFRAME,
170 BFRAME_PRE,
171 BFRAME_POST,
172 BFRAME_BIDIR,
173 BFRAME_EMPTY
174 };
175
176 static const u32 addrinctab[33][2] = {
177 { 0x01, 1 }, { 0x03, 3 }, { 0x02, 3 }, { 0x03, 4 },
178 { 0x02, 4 }, { 0x03, 5 }, { 0x02, 5 }, { 0x07, 7 },
179 { 0x06, 7 }, { 0x0b, 8 }, { 0x0a, 8 }, { 0x09, 8 },
180 { 0x08, 8 }, { 0x07, 8 }, { 0x06, 8 }, { 0x17, 10 },
181 { 0x16, 10 }, { 0x15, 10 }, { 0x14, 10 }, { 0x13, 10 },
182 { 0x12, 10 }, { 0x23, 11 }, { 0x22, 11 }, { 0x21, 11 },
183 { 0x20, 11 }, { 0x1f, 11 }, { 0x1e, 11 }, { 0x1d, 11 },
184 { 0x1c, 11 }, { 0x1b, 11 }, { 0x1a, 11 }, { 0x19, 11 },
185 { 0x18, 11 }
186 };
187
188 /* Standard JPEG tables */
189
190 static const u8 default_intra_quant_table[] = {
191 8, 16, 19, 22, 26, 27, 29, 34,
192 16, 16, 22, 24, 27, 29, 34, 37,
193 19, 22, 26, 27, 29, 34, 34, 38,
194 22, 22, 26, 27, 29, 34, 37, 40,
195 22, 26, 27, 29, 32, 35, 40, 48,
196 26, 27, 29, 32, 35, 40, 48, 58,
197 26, 27, 29, 34, 38, 46, 56, 69,
198 27, 29, 35, 38, 46, 56, 69, 83
199 };
200
201 static const u8 bits_dc_luminance[] = {
202 0, 0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0
203 };
204
205 static const u8 val_dc_luminance[] = {
206 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
207 };
208
209 static const u8 bits_dc_chrominance[] = {
210 0, 0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0
211 };
212
213 static const u8 val_dc_chrominance[] = {
214 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
215 };
216
217 static const u8 bits_ac_luminance[] = {
218 0, 0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7d
219 };
220
221 static const u8 val_ac_luminance[] = {
222 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12,
223 0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07,
224 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08,
225 0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0,
226 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16,
227 0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28,
228 0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39,
229 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49,
230 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59,
231 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69,
232 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79,
233 0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
234 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98,
235 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
236 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6,
237 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5,
238 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4,
239 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2,
240 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea,
241 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
242 0xf9, 0xfa
243 };
244
245 static const u8 bits_ac_chrominance[] = {
246 0, 0, 2, 1, 2, 4, 4, 3, 4, 7, 5, 4, 4, 0, 1, 2, 0x77
247 };
248
249 static const u8 val_ac_chrominance[] = {
250 0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21,
251 0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71,
252 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91,
253 0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0,
254 0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34,
255 0xe1, 0x25, 0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26,
256 0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38,
257 0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48,
258 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
259 0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68,
260 0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
261 0x79, 0x7a, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
262 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96,
263 0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5,
264 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4,
265 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3,
266 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2,
267 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda,
268 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
269 0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
270 0xf9, 0xfa
271 };
272
273 /* Zig-zag mapping for quant table
274 *
275 * OK, let's do this mapping on the actual table above so it doesn't have
276 * to be done on the fly.
277 */
278 static const int zz[64] = {
279 0, 1, 8, 16, 9, 2, 3, 10, 17, 24, 32, 25, 18, 11, 4, 5,
280 12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13, 6, 7, 14, 21, 28,
281 35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51,
282 58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63
283 };
284
copy_packages(__le16 * dest,u16 * src,int pkg_cnt,int space)285 static int copy_packages(__le16 *dest, u16 *src, int pkg_cnt, int space)
286 {
287 int i, cnt = pkg_cnt * 32;
288
289 if (space < cnt)
290 return -1;
291
292 for (i = 0; i < cnt; ++i)
293 dest[i] = cpu_to_le16p(src + i);
294
295 return cnt;
296 }
297
mjpeg_frame_header(struct go7007 * go,unsigned char * buf,int q)298 static int mjpeg_frame_header(struct go7007 *go, unsigned char *buf, int q)
299 {
300 int i, p = 0;
301
302 buf[p++] = 0xff;
303 buf[p++] = 0xd8;
304 buf[p++] = 0xff;
305 buf[p++] = 0xdb;
306 buf[p++] = 0;
307 buf[p++] = 2 + 65;
308 buf[p++] = 0;
309 buf[p++] = default_intra_quant_table[0];
310 for (i = 1; i < 64; ++i)
311 /* buf[p++] = (default_intra_quant_table[i] * q) >> 3; */
312 buf[p++] = (default_intra_quant_table[zz[i]] * q) >> 3;
313 buf[p++] = 0xff;
314 buf[p++] = 0xc0;
315 buf[p++] = 0;
316 buf[p++] = 17;
317 buf[p++] = 8;
318 buf[p++] = go->height >> 8;
319 buf[p++] = go->height & 0xff;
320 buf[p++] = go->width >> 8;
321 buf[p++] = go->width & 0xff;
322 buf[p++] = 3;
323 buf[p++] = 1;
324 buf[p++] = 0x22;
325 buf[p++] = 0;
326 buf[p++] = 2;
327 buf[p++] = 0x11;
328 buf[p++] = 0;
329 buf[p++] = 3;
330 buf[p++] = 0x11;
331 buf[p++] = 0;
332 buf[p++] = 0xff;
333 buf[p++] = 0xc4;
334 buf[p++] = 418 >> 8;
335 buf[p++] = 418 & 0xff;
336 buf[p++] = 0x00;
337 memcpy(buf + p, bits_dc_luminance + 1, 16);
338 p += 16;
339 memcpy(buf + p, val_dc_luminance, sizeof(val_dc_luminance));
340 p += sizeof(val_dc_luminance);
341 buf[p++] = 0x01;
342 memcpy(buf + p, bits_dc_chrominance + 1, 16);
343 p += 16;
344 memcpy(buf + p, val_dc_chrominance, sizeof(val_dc_chrominance));
345 p += sizeof(val_dc_chrominance);
346 buf[p++] = 0x10;
347 memcpy(buf + p, bits_ac_luminance + 1, 16);
348 p += 16;
349 memcpy(buf + p, val_ac_luminance, sizeof(val_ac_luminance));
350 p += sizeof(val_ac_luminance);
351 buf[p++] = 0x11;
352 memcpy(buf + p, bits_ac_chrominance + 1, 16);
353 p += 16;
354 memcpy(buf + p, val_ac_chrominance, sizeof(val_ac_chrominance));
355 p += sizeof(val_ac_chrominance);
356 buf[p++] = 0xff;
357 buf[p++] = 0xda;
358 buf[p++] = 0;
359 buf[p++] = 12;
360 buf[p++] = 3;
361 buf[p++] = 1;
362 buf[p++] = 0x00;
363 buf[p++] = 2;
364 buf[p++] = 0x11;
365 buf[p++] = 3;
366 buf[p++] = 0x11;
367 buf[p++] = 0;
368 buf[p++] = 63;
369 buf[p++] = 0;
370 return p;
371 }
372
gen_mjpeghdr_to_package(struct go7007 * go,__le16 * code,int space)373 static int gen_mjpeghdr_to_package(struct go7007 *go, __le16 *code, int space)
374 {
375 u8 *buf;
376 u16 mem = 0x3e00;
377 unsigned int addr = 0x19;
378 int size = 0, i, off = 0, chunk;
379
380 buf = kzalloc(4096, GFP_KERNEL);
381 if (buf == NULL)
382 return -ENOMEM;
383
384 for (i = 1; i < 32; ++i) {
385 mjpeg_frame_header(go, buf + size, i);
386 size += 80;
387 }
388 chunk = mjpeg_frame_header(go, buf + size, 1);
389 memmove(buf + size, buf + size + 80, chunk - 80);
390 size += chunk - 80;
391
392 for (i = 0; i < size; i += chunk * 2) {
393 if (space - off < 32) {
394 off = -1;
395 goto done;
396 }
397
398 code[off + 1] = __cpu_to_le16(0x8000 | mem);
399
400 chunk = 28;
401 if (mem + chunk > 0x4000)
402 chunk = 0x4000 - mem;
403 if (i + 2 * chunk > size)
404 chunk = (size - i) / 2;
405
406 if (chunk < 28) {
407 code[off] = __cpu_to_le16(0x4000 | chunk);
408 code[off + 31] = __cpu_to_le16(addr++);
409 mem = 0x3e00;
410 } else {
411 code[off] = __cpu_to_le16(0x1000 | 28);
412 code[off + 31] = 0;
413 mem += 28;
414 }
415
416 memcpy(&code[off + 2], buf + i, chunk * 2);
417 off += 32;
418 }
419 done:
420 kfree(buf);
421 return off;
422 }
423
mpeg1_frame_header(struct go7007 * go,unsigned char * buf,int modulo,int pict_struct,enum mpeg_frame_type frame)424 static int mpeg1_frame_header(struct go7007 *go, unsigned char *buf,
425 int modulo, int pict_struct, enum mpeg_frame_type frame)
426 {
427 int i, j, mb_code, mb_len;
428 int rows = go->interlace_coding ? go->height / 32 : go->height / 16;
429 CODE_GEN(c, buf + 6);
430
431 switch (frame) {
432 case PFRAME:
433 mb_code = 0x1;
434 mb_len = 3;
435 break;
436 case BFRAME_PRE:
437 mb_code = 0x2;
438 mb_len = 4;
439 break;
440 case BFRAME_POST:
441 mb_code = 0x2;
442 mb_len = 3;
443 break;
444 case BFRAME_BIDIR:
445 mb_code = 0x2;
446 mb_len = 2;
447 break;
448 default: /* keep the compiler happy */
449 mb_code = mb_len = 0;
450 break;
451 }
452
453 CODE_ADD(c, frame == PFRAME ? 0x2 : 0x3, 13);
454 CODE_ADD(c, 0xffff, 16);
455 CODE_ADD(c, go->format == V4L2_PIX_FMT_MPEG2 ? 0x7 : 0x4, 4);
456 if (frame != PFRAME)
457 CODE_ADD(c, go->format == V4L2_PIX_FMT_MPEG2 ? 0x7 : 0x4, 4);
458 else
459 CODE_ADD(c, 0, 4); /* Is this supposed to be here?? */
460 CODE_ADD(c, 0, 3); /* What is this?? */
461 /* Byte-align with zeros */
462 j = 8 - (CODE_LENGTH(c) % 8);
463 if (j != 8)
464 CODE_ADD(c, 0, j);
465
466 if (go->format == V4L2_PIX_FMT_MPEG2) {
467 CODE_ADD(c, 0x1, 24);
468 CODE_ADD(c, 0xb5, 8);
469 CODE_ADD(c, 0x844, 12);
470 CODE_ADD(c, frame == PFRAME ? 0xff : 0x44, 8);
471 if (go->interlace_coding) {
472 CODE_ADD(c, pict_struct, 4);
473 if (go->dvd_mode)
474 CODE_ADD(c, 0x000, 11);
475 else
476 CODE_ADD(c, 0x200, 11);
477 } else {
478 CODE_ADD(c, 0x3, 4);
479 CODE_ADD(c, 0x20c, 11);
480 }
481 /* Byte-align with zeros */
482 j = 8 - (CODE_LENGTH(c) % 8);
483 if (j != 8)
484 CODE_ADD(c, 0, j);
485 }
486
487 for (i = 0; i < rows; ++i) {
488 CODE_ADD(c, 1, 24);
489 CODE_ADD(c, i + 1, 8);
490 CODE_ADD(c, 0x2, 6);
491 CODE_ADD(c, 0x1, 1);
492 CODE_ADD(c, mb_code, mb_len);
493 if (go->interlace_coding) {
494 CODE_ADD(c, 0x1, 2);
495 CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1);
496 }
497 if (frame == BFRAME_BIDIR) {
498 CODE_ADD(c, 0x3, 2);
499 if (go->interlace_coding)
500 CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1);
501 }
502 CODE_ADD(c, 0x3, 2);
503 for (j = (go->width >> 4) - 2; j >= 33; j -= 33)
504 CODE_ADD(c, 0x8, 11);
505 CODE_ADD(c, addrinctab[j][0], addrinctab[j][1]);
506 CODE_ADD(c, mb_code, mb_len);
507 if (go->interlace_coding) {
508 CODE_ADD(c, 0x1, 2);
509 CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1);
510 }
511 if (frame == BFRAME_BIDIR) {
512 CODE_ADD(c, 0x3, 2);
513 if (go->interlace_coding)
514 CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1);
515 }
516 CODE_ADD(c, 0x3, 2);
517
518 /* Byte-align with zeros */
519 j = 8 - (CODE_LENGTH(c) % 8);
520 if (j != 8)
521 CODE_ADD(c, 0, j);
522 }
523
524 i = CODE_LENGTH(c) + 4 * 8;
525 buf[2] = 0x00;
526 buf[3] = 0x00;
527 buf[4] = 0x01;
528 buf[5] = 0x00;
529 return i;
530 }
531
mpeg1_sequence_header(struct go7007 * go,unsigned char * buf,int ext)532 static int mpeg1_sequence_header(struct go7007 *go, unsigned char *buf, int ext)
533 {
534 int i, aspect_ratio, picture_rate;
535 CODE_GEN(c, buf + 6);
536
537 if (go->format == V4L2_PIX_FMT_MPEG1) {
538 switch (go->aspect_ratio) {
539 case GO7007_RATIO_4_3:
540 aspect_ratio = go->standard == GO7007_STD_NTSC ? 3 : 2;
541 break;
542 case GO7007_RATIO_16_9:
543 aspect_ratio = go->standard == GO7007_STD_NTSC ? 5 : 4;
544 break;
545 default:
546 aspect_ratio = 1;
547 break;
548 }
549 } else {
550 switch (go->aspect_ratio) {
551 case GO7007_RATIO_4_3:
552 aspect_ratio = 2;
553 break;
554 case GO7007_RATIO_16_9:
555 aspect_ratio = 3;
556 break;
557 default:
558 aspect_ratio = 1;
559 break;
560 }
561 }
562 switch (go->sensor_framerate) {
563 case 24000:
564 picture_rate = 1;
565 break;
566 case 24024:
567 picture_rate = 2;
568 break;
569 case 25025:
570 picture_rate = go->interlace_coding ? 6 : 3;
571 break;
572 case 30000:
573 picture_rate = go->interlace_coding ? 7 : 4;
574 break;
575 case 30030:
576 picture_rate = go->interlace_coding ? 8 : 5;
577 break;
578 default:
579 picture_rate = 5; /* 30 fps seems like a reasonable default */
580 break;
581 }
582
583 CODE_ADD(c, go->width, 12);
584 CODE_ADD(c, go->height, 12);
585 CODE_ADD(c, aspect_ratio, 4);
586 CODE_ADD(c, picture_rate, 4);
587 CODE_ADD(c, go->format == V4L2_PIX_FMT_MPEG2 ? 20000 : 0x3ffff, 18);
588 CODE_ADD(c, 1, 1);
589 CODE_ADD(c, go->format == V4L2_PIX_FMT_MPEG2 ? 112 : 20, 10);
590 CODE_ADD(c, 0, 3);
591
592 /* Byte-align with zeros */
593 i = 8 - (CODE_LENGTH(c) % 8);
594 if (i != 8)
595 CODE_ADD(c, 0, i);
596
597 if (go->format == V4L2_PIX_FMT_MPEG2) {
598 CODE_ADD(c, 0x1, 24);
599 CODE_ADD(c, 0xb5, 8);
600 CODE_ADD(c, 0x148, 12);
601 if (go->interlace_coding)
602 CODE_ADD(c, 0x20001, 20);
603 else
604 CODE_ADD(c, 0xa0001, 20);
605 CODE_ADD(c, 0, 16);
606
607 /* Byte-align with zeros */
608 i = 8 - (CODE_LENGTH(c) % 8);
609 if (i != 8)
610 CODE_ADD(c, 0, i);
611
612 if (ext) {
613 CODE_ADD(c, 0x1, 24);
614 CODE_ADD(c, 0xb52, 12);
615 CODE_ADD(c, go->standard == GO7007_STD_NTSC ? 2 : 1, 3);
616 CODE_ADD(c, 0x105, 9);
617 CODE_ADD(c, 0x505, 16);
618 CODE_ADD(c, go->width, 14);
619 CODE_ADD(c, 1, 1);
620 CODE_ADD(c, go->height, 14);
621
622 /* Byte-align with zeros */
623 i = 8 - (CODE_LENGTH(c) % 8);
624 if (i != 8)
625 CODE_ADD(c, 0, i);
626 }
627 }
628
629 i = CODE_LENGTH(c) + 4 * 8;
630 buf[0] = i & 0xff;
631 buf[1] = i >> 8;
632 buf[2] = 0x00;
633 buf[3] = 0x00;
634 buf[4] = 0x01;
635 buf[5] = 0xb3;
636 return i;
637 }
638
gen_mpeg1hdr_to_package(struct go7007 * go,__le16 * code,int space,int * framelen)639 static int gen_mpeg1hdr_to_package(struct go7007 *go,
640 __le16 *code, int space, int *framelen)
641 {
642 u8 *buf;
643 u16 mem = 0x3e00;
644 unsigned int addr = 0x19;
645 int i, off = 0, chunk;
646
647 buf = kzalloc(5120, GFP_KERNEL);
648 if (buf == NULL)
649 return -ENOMEM;
650
651 framelen[0] = mpeg1_frame_header(go, buf, 0, 1, PFRAME);
652 if (go->interlace_coding)
653 framelen[0] += mpeg1_frame_header(go, buf + framelen[0] / 8,
654 0, 2, PFRAME);
655 buf[0] = framelen[0] & 0xff;
656 buf[1] = framelen[0] >> 8;
657 i = 368;
658 framelen[1] = mpeg1_frame_header(go, buf + i, 0, 1, BFRAME_PRE);
659 if (go->interlace_coding)
660 framelen[1] += mpeg1_frame_header(go, buf + i + framelen[1] / 8,
661 0, 2, BFRAME_PRE);
662 buf[i] = framelen[1] & 0xff;
663 buf[i + 1] = framelen[1] >> 8;
664 i += 1632;
665 framelen[2] = mpeg1_frame_header(go, buf + i, 0, 1, BFRAME_POST);
666 if (go->interlace_coding)
667 framelen[2] += mpeg1_frame_header(go, buf + i + framelen[2] / 8,
668 0, 2, BFRAME_POST);
669 buf[i] = framelen[2] & 0xff;
670 buf[i + 1] = framelen[2] >> 8;
671 i += 1432;
672 framelen[3] = mpeg1_frame_header(go, buf + i, 0, 1, BFRAME_BIDIR);
673 if (go->interlace_coding)
674 framelen[3] += mpeg1_frame_header(go, buf + i + framelen[3] / 8,
675 0, 2, BFRAME_BIDIR);
676 buf[i] = framelen[3] & 0xff;
677 buf[i + 1] = framelen[3] >> 8;
678 i += 1632 + 16;
679 mpeg1_sequence_header(go, buf + i, 0);
680 i += 40;
681 for (i = 0; i < 5120; i += chunk * 2) {
682 if (space - off < 32) {
683 off = -1;
684 goto done;
685 }
686
687 code[off + 1] = __cpu_to_le16(0x8000 | mem);
688
689 chunk = 28;
690 if (mem + chunk > 0x4000)
691 chunk = 0x4000 - mem;
692 if (i + 2 * chunk > 5120)
693 chunk = (5120 - i) / 2;
694
695 if (chunk < 28) {
696 code[off] = __cpu_to_le16(0x4000 | chunk);
697 code[off + 31] = __cpu_to_le16(addr);
698 if (mem + chunk == 0x4000) {
699 mem = 0x3e00;
700 ++addr;
701 }
702 } else {
703 code[off] = __cpu_to_le16(0x1000 | 28);
704 code[off + 31] = 0;
705 mem += 28;
706 }
707
708 memcpy(&code[off + 2], buf + i, chunk * 2);
709 off += 32;
710 }
711 done:
712 kfree(buf);
713 return off;
714 }
715
vti_bitlen(struct go7007 * go)716 static int vti_bitlen(struct go7007 *go)
717 {
718 unsigned int i, max_time_incr = go->sensor_framerate / go->fps_scale;
719
720 for (i = 31; (max_time_incr & ((1 << i) - 1)) == max_time_incr; --i)
721 ;
722 return i + 1;
723 }
724
mpeg4_frame_header(struct go7007 * go,unsigned char * buf,int modulo,enum mpeg_frame_type frame)725 static int mpeg4_frame_header(struct go7007 *go, unsigned char *buf,
726 int modulo, enum mpeg_frame_type frame)
727 {
728 int i;
729 CODE_GEN(c, buf + 6);
730 int mb_count = (go->width >> 4) * (go->height >> 4);
731
732 CODE_ADD(c, frame == PFRAME ? 0x1 : 0x2, 2);
733 if (modulo)
734 CODE_ADD(c, 0x1, 1);
735 CODE_ADD(c, 0x1, 2);
736 CODE_ADD(c, 0, vti_bitlen(go));
737 CODE_ADD(c, 0x3, 2);
738 if (frame == PFRAME)
739 CODE_ADD(c, 0, 1);
740 CODE_ADD(c, 0xc, 11);
741 if (frame != PFRAME)
742 CODE_ADD(c, 0x4, 3);
743 if (frame != BFRAME_EMPTY) {
744 for (i = 0; i < mb_count; ++i) {
745 switch (frame) {
746 case PFRAME:
747 CODE_ADD(c, 0x1, 1);
748 break;
749 case BFRAME_PRE:
750 CODE_ADD(c, 0x47, 8);
751 break;
752 case BFRAME_POST:
753 CODE_ADD(c, 0x27, 7);
754 break;
755 case BFRAME_BIDIR:
756 CODE_ADD(c, 0x5f, 8);
757 break;
758 case BFRAME_EMPTY: /* keep compiler quiet */
759 break;
760 }
761 }
762 }
763
764 /* Byte-align with a zero followed by ones */
765 i = 8 - (CODE_LENGTH(c) % 8);
766 CODE_ADD(c, 0, 1);
767 CODE_ADD(c, (1 << (i - 1)) - 1, i - 1);
768
769 i = CODE_LENGTH(c) + 4 * 8;
770 buf[0] = i & 0xff;
771 buf[1] = i >> 8;
772 buf[2] = 0x00;
773 buf[3] = 0x00;
774 buf[4] = 0x01;
775 buf[5] = 0xb6;
776 return i;
777 }
778
mpeg4_sequence_header(struct go7007 * go,unsigned char * buf,int ext)779 static int mpeg4_sequence_header(struct go7007 *go, unsigned char *buf, int ext)
780 {
781 const unsigned char head[] = { 0x00, 0x00, 0x01, 0xb0, go->pali,
782 0x00, 0x00, 0x01, 0xb5, 0x09,
783 0x00, 0x00, 0x01, 0x00,
784 0x00, 0x00, 0x01, 0x20, };
785 int i, aspect_ratio;
786 int fps = go->sensor_framerate / go->fps_scale;
787 CODE_GEN(c, buf + 2 + sizeof(head));
788
789 switch (go->aspect_ratio) {
790 case GO7007_RATIO_4_3:
791 aspect_ratio = go->standard == GO7007_STD_NTSC ? 3 : 2;
792 break;
793 case GO7007_RATIO_16_9:
794 aspect_ratio = go->standard == GO7007_STD_NTSC ? 5 : 4;
795 break;
796 default:
797 aspect_ratio = 1;
798 break;
799 }
800
801 memcpy(buf + 2, head, sizeof(head));
802 CODE_ADD(c, 0x191, 17);
803 CODE_ADD(c, aspect_ratio, 4);
804 CODE_ADD(c, 0x1, 4);
805 CODE_ADD(c, fps, 16);
806 CODE_ADD(c, 0x3, 2);
807 CODE_ADD(c, 1001, vti_bitlen(go));
808 CODE_ADD(c, 1, 1);
809 CODE_ADD(c, go->width, 13);
810 CODE_ADD(c, 1, 1);
811 CODE_ADD(c, go->height, 13);
812 CODE_ADD(c, 0x2830, 14);
813
814 /* Byte-align */
815 i = 8 - (CODE_LENGTH(c) % 8);
816 CODE_ADD(c, 0, 1);
817 CODE_ADD(c, (1 << (i - 1)) - 1, i - 1);
818
819 i = CODE_LENGTH(c) + sizeof(head) * 8;
820 buf[0] = i & 0xff;
821 buf[1] = i >> 8;
822 return i;
823 }
824
gen_mpeg4hdr_to_package(struct go7007 * go,__le16 * code,int space,int * framelen)825 static int gen_mpeg4hdr_to_package(struct go7007 *go,
826 __le16 *code, int space, int *framelen)
827 {
828 u8 *buf;
829 u16 mem = 0x3e00;
830 unsigned int addr = 0x19;
831 int i, off = 0, chunk;
832
833 buf = kzalloc(5120, GFP_KERNEL);
834 if (buf == NULL)
835 return -ENOMEM;
836
837 framelen[0] = mpeg4_frame_header(go, buf, 0, PFRAME);
838 i = 368;
839 framelen[1] = mpeg4_frame_header(go, buf + i, 0, BFRAME_PRE);
840 i += 1632;
841 framelen[2] = mpeg4_frame_header(go, buf + i, 0, BFRAME_POST);
842 i += 1432;
843 framelen[3] = mpeg4_frame_header(go, buf + i, 0, BFRAME_BIDIR);
844 i += 1632;
845 mpeg4_frame_header(go, buf + i, 0, BFRAME_EMPTY);
846 i += 16;
847 mpeg4_sequence_header(go, buf + i, 0);
848 i += 40;
849 for (i = 0; i < 5120; i += chunk * 2) {
850 if (space - off < 32) {
851 off = -1;
852 goto done;
853 }
854
855 code[off + 1] = __cpu_to_le16(0x8000 | mem);
856
857 chunk = 28;
858 if (mem + chunk > 0x4000)
859 chunk = 0x4000 - mem;
860 if (i + 2 * chunk > 5120)
861 chunk = (5120 - i) / 2;
862
863 if (chunk < 28) {
864 code[off] = __cpu_to_le16(0x4000 | chunk);
865 code[off + 31] = __cpu_to_le16(addr);
866 if (mem + chunk == 0x4000) {
867 mem = 0x3e00;
868 ++addr;
869 }
870 } else {
871 code[off] = __cpu_to_le16(0x1000 | 28);
872 code[off + 31] = 0;
873 mem += 28;
874 }
875
876 memcpy(&code[off + 2], buf + i, chunk * 2);
877 off += 32;
878 }
879 mem = 0x3e00;
880 addr = go->ipb ? 0x14f9 : 0x0af9;
881 memset(buf, 0, 5120);
882 framelen[4] = mpeg4_frame_header(go, buf, 1, PFRAME);
883 i = 368;
884 framelen[5] = mpeg4_frame_header(go, buf + i, 1, BFRAME_PRE);
885 i += 1632;
886 framelen[6] = mpeg4_frame_header(go, buf + i, 1, BFRAME_POST);
887 i += 1432;
888 framelen[7] = mpeg4_frame_header(go, buf + i, 1, BFRAME_BIDIR);
889 i += 1632;
890 mpeg4_frame_header(go, buf + i, 1, BFRAME_EMPTY);
891 i += 16;
892 for (i = 0; i < 5120; i += chunk * 2) {
893 if (space - off < 32) {
894 off = -1;
895 goto done;
896 }
897
898 code[off + 1] = __cpu_to_le16(0x8000 | mem);
899
900 chunk = 28;
901 if (mem + chunk > 0x4000)
902 chunk = 0x4000 - mem;
903 if (i + 2 * chunk > 5120)
904 chunk = (5120 - i) / 2;
905
906 if (chunk < 28) {
907 code[off] = __cpu_to_le16(0x4000 | chunk);
908 code[off + 31] = __cpu_to_le16(addr);
909 if (mem + chunk == 0x4000) {
910 mem = 0x3e00;
911 ++addr;
912 }
913 } else {
914 code[off] = __cpu_to_le16(0x1000 | 28);
915 code[off + 31] = 0;
916 mem += 28;
917 }
918
919 memcpy(&code[off + 2], buf + i, chunk * 2);
920 off += 32;
921 }
922 done:
923 kfree(buf);
924 return off;
925 }
926
brctrl_to_package(struct go7007 * go,__le16 * code,int space,int * framelen)927 static int brctrl_to_package(struct go7007 *go,
928 __le16 *code, int space, int *framelen)
929 {
930 int converge_speed = 0;
931 int lambda = (go->format == V4L2_PIX_FMT_MJPEG || go->dvd_mode) ?
932 100 : 0;
933 int peak_rate = 6 * go->bitrate / 5;
934 int vbv_buffer = go->format == V4L2_PIX_FMT_MJPEG ?
935 go->bitrate :
936 (go->dvd_mode ? 900000 : peak_rate);
937 int fps = go->sensor_framerate / go->fps_scale;
938 int q = 0;
939 /* Bizarre math below depends on rounding errors in division */
940 u32 sgop_expt_addr = go->bitrate / 32 * (go->ipb ? 3 : 1) * 1001 / fps;
941 u32 sgop_peak_addr = peak_rate / 32 * 1001 / fps;
942 u32 total_expt_addr = go->bitrate / 32 * 1000 / fps * (fps / 1000);
943 u32 vbv_alert_addr = vbv_buffer * 3 / (4 * 32);
944 u32 cplx[] = {
945 q > 0 ? sgop_expt_addr * q :
946 2 * go->width * go->height * (go->ipb ? 6 : 4) / 32,
947 q > 0 ? sgop_expt_addr * q :
948 2 * go->width * go->height * (go->ipb ? 6 : 4) / 32,
949 q > 0 ? sgop_expt_addr * q :
950 2 * go->width * go->height * (go->ipb ? 6 : 4) / 32,
951 q > 0 ? sgop_expt_addr * q :
952 2 * go->width * go->height * (go->ipb ? 6 : 4) / 32,
953 };
954 u32 calc_q = q > 0 ? q : cplx[0] / sgop_expt_addr;
955 u16 pack[] = {
956 0x200e, 0x0000,
957 0xBF20, go->ipb ? converge_speed_ipb[converge_speed]
958 : converge_speed_ip[converge_speed],
959 0xBF21, go->ipb ? 2 : 0,
960 0xBF22, go->ipb ? LAMBDA_table[0][lambda / 2 + 50]
961 : 32767,
962 0xBF23, go->ipb ? LAMBDA_table[1][lambda] : 32767,
963 0xBF24, 32767,
964 0xBF25, lambda > 99 ? 32767 : LAMBDA_table[3][lambda],
965 0xBF26, sgop_expt_addr & 0x0000FFFF,
966 0xBF27, sgop_expt_addr >> 16,
967 0xBF28, sgop_peak_addr & 0x0000FFFF,
968 0xBF29, sgop_peak_addr >> 16,
969 0xBF2A, vbv_alert_addr & 0x0000FFFF,
970 0xBF2B, vbv_alert_addr >> 16,
971 0xBF2C, 0,
972 0xBF2D, 0,
973 0, 0,
974
975 0x200e, 0x0000,
976 0xBF2E, vbv_alert_addr & 0x0000FFFF,
977 0xBF2F, vbv_alert_addr >> 16,
978 0xBF30, cplx[0] & 0x0000FFFF,
979 0xBF31, cplx[0] >> 16,
980 0xBF32, cplx[1] & 0x0000FFFF,
981 0xBF33, cplx[1] >> 16,
982 0xBF34, cplx[2] & 0x0000FFFF,
983 0xBF35, cplx[2] >> 16,
984 0xBF36, cplx[3] & 0x0000FFFF,
985 0xBF37, cplx[3] >> 16,
986 0xBF38, 0,
987 0xBF39, 0,
988 0xBF3A, total_expt_addr & 0x0000FFFF,
989 0xBF3B, total_expt_addr >> 16,
990 0, 0,
991
992 0x200e, 0x0000,
993 0xBF3C, total_expt_addr & 0x0000FFFF,
994 0xBF3D, total_expt_addr >> 16,
995 0xBF3E, 0,
996 0xBF3F, 0,
997 0xBF48, 0,
998 0xBF49, 0,
999 0xBF4A, calc_q < 4 ? 4 : (calc_q > 124 ? 124 : calc_q),
1000 0xBF4B, 4,
1001 0xBF4C, 0,
1002 0xBF4D, 0,
1003 0xBF4E, 0,
1004 0xBF4F, 0,
1005 0xBF50, 0,
1006 0xBF51, 0,
1007 0, 0,
1008
1009 0x200e, 0x0000,
1010 0xBF40, sgop_expt_addr & 0x0000FFFF,
1011 0xBF41, sgop_expt_addr >> 16,
1012 0xBF42, 0,
1013 0xBF43, 0,
1014 0xBF44, 0,
1015 0xBF45, 0,
1016 0xBF46, (go->width >> 4) * (go->height >> 4),
1017 0xBF47, 0,
1018 0xBF64, 0,
1019 0xBF65, 0,
1020 0xBF18, framelen[4],
1021 0xBF19, framelen[5],
1022 0xBF1A, framelen[6],
1023 0xBF1B, framelen[7],
1024 0, 0,
1025
1026 #if 0
1027 /* Remove once we don't care about matching */
1028 0x200e, 0x0000,
1029 0xBF56, 4,
1030 0xBF57, 0,
1031 0xBF58, 5,
1032 0xBF59, 0,
1033 0xBF5A, 6,
1034 0xBF5B, 0,
1035 0xBF5C, 8,
1036 0xBF5D, 0,
1037 0xBF5E, 1,
1038 0xBF5F, 0,
1039 0xBF60, 1,
1040 0xBF61, 0,
1041 0xBF62, 0,
1042 0xBF63, 0,
1043 0, 0,
1044 #else
1045 0x2008, 0x0000,
1046 0xBF56, 4,
1047 0xBF57, 0,
1048 0xBF58, 5,
1049 0xBF59, 0,
1050 0xBF5A, 6,
1051 0xBF5B, 0,
1052 0xBF5C, 8,
1053 0xBF5D, 0,
1054 0, 0,
1055 0, 0,
1056 0, 0,
1057 0, 0,
1058 0, 0,
1059 0, 0,
1060 0, 0,
1061 #endif
1062
1063 0x200e, 0x0000,
1064 0xBF10, 0,
1065 0xBF11, 0,
1066 0xBF12, 0,
1067 0xBF13, 0,
1068 0xBF14, 0,
1069 0xBF15, 0,
1070 0xBF16, 0,
1071 0xBF17, 0,
1072 0xBF7E, 0,
1073 0xBF7F, 1,
1074 0xBF52, framelen[0],
1075 0xBF53, framelen[1],
1076 0xBF54, framelen[2],
1077 0xBF55, framelen[3],
1078 0, 0,
1079 };
1080
1081 return copy_packages(code, pack, 6, space);
1082 }
1083
config_package(struct go7007 * go,__le16 * code,int space)1084 static int config_package(struct go7007 *go, __le16 *code, int space)
1085 {
1086 int fps = go->sensor_framerate / go->fps_scale / 1000;
1087 int rows = go->interlace_coding ? go->height / 32 : go->height / 16;
1088 int brc_window_size = fps;
1089 int q_min = 2, q_max = 31;
1090 int THACCoeffSet0 = 0;
1091 u16 pack[] = {
1092 0x200e, 0x0000,
1093 0xc002, 0x14b4,
1094 0xc003, 0x28b4,
1095 0xc004, 0x3c5a,
1096 0xdc05, 0x2a77,
1097 0xc6c3, go->format == V4L2_PIX_FMT_MPEG4 ? 0 :
1098 (go->format == V4L2_PIX_FMT_H263 ? 0 : 1),
1099 0xc680, go->format == V4L2_PIX_FMT_MPEG4 ? 0xf1 :
1100 (go->format == V4L2_PIX_FMT_H263 ? 0x61 :
1101 0xd3),
1102 0xc780, 0x0140,
1103 0xe009, 0x0001,
1104 0xc60f, 0x0008,
1105 0xd4ff, 0x0002,
1106 0xe403, 2340,
1107 0xe406, 75,
1108 0xd411, 0x0001,
1109 0xd410, 0xa1d6,
1110 0x0001, 0x2801,
1111
1112 0x200d, 0x0000,
1113 0xe402, 0x018b,
1114 0xe401, 0x8b01,
1115 0xd472, (go->board_info->sensor_flags &
1116 GO7007_SENSOR_TV) &&
1117 (!go->interlace_coding) ?
1118 0x01b0 : 0x0170,
1119 0xd475, (go->board_info->sensor_flags &
1120 GO7007_SENSOR_TV) &&
1121 (!go->interlace_coding) ?
1122 0x0008 : 0x0009,
1123 0xc404, go->interlace_coding ? 0x44 :
1124 (go->format == V4L2_PIX_FMT_MPEG4 ? 0x11 :
1125 (go->format == V4L2_PIX_FMT_MPEG1 ? 0x02 :
1126 (go->format == V4L2_PIX_FMT_MPEG2 ? 0x04 :
1127 (go->format == V4L2_PIX_FMT_H263 ? 0x08 :
1128 0x20)))),
1129 0xbf0a, (go->format == V4L2_PIX_FMT_MPEG4 ? 8 :
1130 (go->format == V4L2_PIX_FMT_MPEG1 ? 1 :
1131 (go->format == V4L2_PIX_FMT_MPEG2 ? 2 :
1132 (go->format == V4L2_PIX_FMT_H263 ? 4 : 16)))) |
1133 ((go->repeat_seqhead ? 1 : 0) << 6) |
1134 ((go->dvd_mode ? 1 : 0) << 9) |
1135 ((go->gop_header_enable ? 1 : 0) << 10),
1136 0xbf0b, 0,
1137 0xdd5a, go->ipb ? 0x14 : 0x0a,
1138 0xbf0c, 0,
1139 0xbf0d, 0,
1140 0xc683, THACCoeffSet0,
1141 0xc40a, (go->width << 4) | rows,
1142 0xe01a, go->board_info->hpi_buffer_cap,
1143 0, 0,
1144 0, 0,
1145
1146 0x2008, 0,
1147 0xe402, 0x88,
1148 0xe401, 0x8f01,
1149 0xbf6a, 0,
1150 0xbf6b, 0,
1151 0xbf6c, 0,
1152 0xbf6d, 0,
1153 0xbf6e, 0,
1154 0xbf6f, 0,
1155 0, 0,
1156 0, 0,
1157 0, 0,
1158 0, 0,
1159 0, 0,
1160 0, 0,
1161 0, 0,
1162
1163 0x200e, 0,
1164 0xbf66, brc_window_size,
1165 0xbf67, 0,
1166 0xbf68, q_min,
1167 0xbf69, q_max,
1168 0xbfe0, 0,
1169 0xbfe1, 0,
1170 0xbfe2, 0,
1171 0xbfe3, go->ipb ? 3 : 1,
1172 0xc031, go->board_info->sensor_flags &
1173 GO7007_SENSOR_VBI ? 1 : 0,
1174 0xc01c, 0x1f,
1175 0xdd8c, 0x15,
1176 0xdd94, 0x15,
1177 0xdd88, go->ipb ? 0x1401 : 0x0a01,
1178 0xdd90, go->ipb ? 0x1401 : 0x0a01,
1179 0, 0,
1180
1181 0x200e, 0,
1182 0xbfe4, 0,
1183 0xbfe5, 0,
1184 0xbfe6, 0,
1185 0xbfe7, fps << 8,
1186 0xbfe8, 0x3a00,
1187 0xbfe9, 0,
1188 0xbfea, 0,
1189 0xbfeb, 0,
1190 0xbfec, (go->interlace_coding ? 1 << 15 : 0) |
1191 (go->modet_enable ? 0xa : 0) |
1192 (go->board_info->sensor_flags &
1193 GO7007_SENSOR_VBI ? 1 : 0),
1194 0xbfed, 0,
1195 0xbfee, 0,
1196 0xbfef, 0,
1197 0xbff0, go->board_info->sensor_flags &
1198 GO7007_SENSOR_TV ? 0xf060 : 0xb060,
1199 0xbff1, 0,
1200 0, 0,
1201 };
1202
1203 return copy_packages(code, pack, 5, space);
1204 }
1205
seqhead_to_package(struct go7007 * go,__le16 * code,int space,int (* sequence_header_func)(struct go7007 * go,unsigned char * buf,int ext))1206 static int seqhead_to_package(struct go7007 *go, __le16 *code, int space,
1207 int (*sequence_header_func)(struct go7007 *go,
1208 unsigned char *buf, int ext))
1209 {
1210 int vop_time_increment_bitlength = vti_bitlen(go);
1211 int fps = go->sensor_framerate / go->fps_scale *
1212 (go->interlace_coding ? 2 : 1);
1213 unsigned char buf[40] = { };
1214 int len = sequence_header_func(go, buf, 1);
1215 u16 pack[] = {
1216 0x2006, 0,
1217 0xbf08, fps,
1218 0xbf09, 0,
1219 0xbff2, vop_time_increment_bitlength,
1220 0xbff3, (1 << vop_time_increment_bitlength) - 1,
1221 0xbfe6, 0,
1222 0xbfe7, (fps / 1000) << 8,
1223 0, 0,
1224 0, 0,
1225 0, 0,
1226 0, 0,
1227 0, 0,
1228 0, 0,
1229 0, 0,
1230 0, 0,
1231 0, 0,
1232
1233 0x2007, 0,
1234 0xc800, buf[2] << 8 | buf[3],
1235 0xc801, buf[4] << 8 | buf[5],
1236 0xc802, buf[6] << 8 | buf[7],
1237 0xc803, buf[8] << 8 | buf[9],
1238 0xc406, 64,
1239 0xc407, len - 64,
1240 0xc61b, 1,
1241 0, 0,
1242 0, 0,
1243 0, 0,
1244 0, 0,
1245 0, 0,
1246 0, 0,
1247 0, 0,
1248 0, 0,
1249
1250 0x200e, 0,
1251 0xc808, buf[10] << 8 | buf[11],
1252 0xc809, buf[12] << 8 | buf[13],
1253 0xc80a, buf[14] << 8 | buf[15],
1254 0xc80b, buf[16] << 8 | buf[17],
1255 0xc80c, buf[18] << 8 | buf[19],
1256 0xc80d, buf[20] << 8 | buf[21],
1257 0xc80e, buf[22] << 8 | buf[23],
1258 0xc80f, buf[24] << 8 | buf[25],
1259 0xc810, buf[26] << 8 | buf[27],
1260 0xc811, buf[28] << 8 | buf[29],
1261 0xc812, buf[30] << 8 | buf[31],
1262 0xc813, buf[32] << 8 | buf[33],
1263 0xc814, buf[34] << 8 | buf[35],
1264 0xc815, buf[36] << 8 | buf[37],
1265 0, 0,
1266 0, 0,
1267 0, 0,
1268 };
1269
1270 return copy_packages(code, pack, 3, space);
1271 }
1272
relative_prime(int big,int little)1273 static int relative_prime(int big, int little)
1274 {
1275 int remainder;
1276
1277 while (little != 0) {
1278 remainder = big % little;
1279 big = little;
1280 little = remainder;
1281 }
1282 return big;
1283 }
1284
avsync_to_package(struct go7007 * go,__le16 * code,int space)1285 static int avsync_to_package(struct go7007 *go, __le16 *code, int space)
1286 {
1287 int arate = go->board_info->audio_rate * 1001 * go->fps_scale;
1288 int ratio = arate / go->sensor_framerate;
1289 int adjratio = ratio * 215 / 100;
1290 int rprime = relative_prime(go->sensor_framerate,
1291 arate % go->sensor_framerate);
1292 int f1 = (arate % go->sensor_framerate) / rprime;
1293 int f2 = (go->sensor_framerate - arate % go->sensor_framerate) / rprime;
1294 u16 pack[] = {
1295 0x200e, 0,
1296 0xbf98, (u16)((-adjratio) & 0xffff),
1297 0xbf99, (u16)((-adjratio) >> 16),
1298 0xbf92, 0,
1299 0xbf93, 0,
1300 0xbff4, f1 > f2 ? f1 : f2,
1301 0xbff5, f1 < f2 ? f1 : f2,
1302 0xbff6, f1 < f2 ? ratio : ratio + 1,
1303 0xbff7, f1 > f2 ? ratio : ratio + 1,
1304 0xbff8, 0,
1305 0xbff9, 0,
1306 0xbffa, adjratio & 0xffff,
1307 0xbffb, adjratio >> 16,
1308 0xbf94, 0,
1309 0xbf95, 0,
1310 0, 0,
1311 };
1312
1313 return copy_packages(code, pack, 1, space);
1314 }
1315
final_package(struct go7007 * go,__le16 * code,int space)1316 static int final_package(struct go7007 *go, __le16 *code, int space)
1317 {
1318 int rows = go->interlace_coding ? go->height / 32 : go->height / 16;
1319 u16 pack[] = {
1320 0x8000,
1321 0,
1322 0,
1323 0,
1324 0,
1325 0,
1326 0,
1327 2,
1328 ((go->board_info->sensor_flags & GO7007_SENSOR_TV) &&
1329 (!go->interlace_coding) ?
1330 (1 << 14) | (1 << 9) : 0) |
1331 ((go->encoder_subsample ? 1 : 0) << 8) |
1332 (go->board_info->sensor_flags &
1333 GO7007_SENSOR_CONFIG_MASK),
1334 ((go->encoder_v_halve ? 1 : 0) << 14) |
1335 (go->encoder_v_halve ? rows << 9 : rows << 8) |
1336 (go->encoder_h_halve ? 1 << 6 : 0) |
1337 (go->encoder_h_halve ? go->width >> 3 : go->width >> 4),
1338 (1 << 15) | (go->encoder_v_offset << 6) |
1339 (1 << 7) | (go->encoder_h_offset >> 2),
1340 (1 << 6),
1341 0,
1342 0,
1343 ((go->fps_scale - 1) << 8) |
1344 (go->board_info->sensor_flags & GO7007_SENSOR_TV ?
1345 (1 << 7) : 0) |
1346 0x41,
1347 go->ipb ? 0xd4c : 0x36b,
1348 (rows << 8) | (go->width >> 4),
1349 go->format == V4L2_PIX_FMT_MPEG4 ? 0x0404 : 0,
1350 (1 << 15) | ((go->interlace_coding ? 1 : 0) << 13) |
1351 ((go->closed_gop ? 1 : 0) << 12) |
1352 ((go->format == V4L2_PIX_FMT_MPEG4 ? 1 : 0) << 11) |
1353 /* (1 << 9) | */
1354 ((go->ipb ? 3 : 0) << 7) |
1355 ((go->modet_enable ? 1 : 0) << 2) |
1356 ((go->dvd_mode ? 1 : 0) << 1) | 1,
1357 (go->format == V4L2_PIX_FMT_MPEG1 ? 0x89a0 :
1358 (go->format == V4L2_PIX_FMT_MPEG2 ? 0x89a0 :
1359 (go->format == V4L2_PIX_FMT_MJPEG ? 0x89a0 :
1360 (go->format == V4L2_PIX_FMT_MPEG4 ? 0x8920 :
1361 (go->format == V4L2_PIX_FMT_H263 ? 0x8920 : 0))))),
1362 go->ipb ? 0x1f15 : 0x1f0b,
1363 go->ipb ? 0x0015 : 0x000b,
1364 go->ipb ? 0xa800 : 0x5800,
1365 0xffff,
1366 0x0020 + 0x034b * 0,
1367 0x0020 + 0x034b * 1,
1368 0x0020 + 0x034b * 2,
1369 0x0020 + 0x034b * 3,
1370 0x0020 + 0x034b * 4,
1371 0x0020 + 0x034b * 5,
1372 go->ipb ? (go->gop_size / 3) : go->gop_size,
1373 (go->height >> 4) * (go->width >> 4) * 110 / 100,
1374 };
1375
1376 return copy_packages(code, pack, 1, space);
1377 }
1378
audio_to_package(struct go7007 * go,__le16 * code,int space)1379 static int audio_to_package(struct go7007 *go, __le16 *code, int space)
1380 {
1381 int clock_config = ((go->board_info->audio_flags &
1382 GO7007_AUDIO_I2S_MASTER ? 1 : 0) << 11) |
1383 ((go->board_info->audio_flags &
1384 GO7007_AUDIO_OKI_MODE ? 1 : 0) << 8) |
1385 (((go->board_info->audio_bclk_div / 4) - 1) << 4) |
1386 (go->board_info->audio_main_div - 1);
1387 u16 pack[] = {
1388 0x200d, 0,
1389 0x9002, 0,
1390 0x9002, 0,
1391 0x9031, 0,
1392 0x9032, 0,
1393 0x9033, 0,
1394 0x9034, 0,
1395 0x9035, 0,
1396 0x9036, 0,
1397 0x9037, 0,
1398 0x9040, 0,
1399 0x9000, clock_config,
1400 0x9001, (go->board_info->audio_flags & 0xffff) |
1401 (1 << 9),
1402 0x9000, ((go->board_info->audio_flags &
1403 GO7007_AUDIO_I2S_MASTER ?
1404 1 : 0) << 10) |
1405 clock_config,
1406 0, 0,
1407 0, 0,
1408 0x2005, 0,
1409 0x9041, 0,
1410 0x9042, 256,
1411 0x9043, 0,
1412 0x9044, 16,
1413 0x9045, 16,
1414 0, 0,
1415 0, 0,
1416 0, 0,
1417 0, 0,
1418 0, 0,
1419 0, 0,
1420 0, 0,
1421 0, 0,
1422 0, 0,
1423 0, 0,
1424 };
1425
1426 return copy_packages(code, pack, 2, space);
1427 }
1428
modet_to_package(struct go7007 * go,__le16 * code,int space)1429 static int modet_to_package(struct go7007 *go, __le16 *code, int space)
1430 {
1431 bool has_modet0 = go->modet[0].enable;
1432 bool has_modet1 = go->modet[1].enable;
1433 bool has_modet2 = go->modet[2].enable;
1434 bool has_modet3 = go->modet[3].enable;
1435 int ret, mb, i, addr, cnt = 0;
1436 u16 pack[32];
1437 u16 thresholds[] = {
1438 0x200e, 0,
1439 0xbf82, has_modet0 ? go->modet[0].pixel_threshold : 32767,
1440 0xbf83, has_modet1 ? go->modet[1].pixel_threshold : 32767,
1441 0xbf84, has_modet2 ? go->modet[2].pixel_threshold : 32767,
1442 0xbf85, has_modet3 ? go->modet[3].pixel_threshold : 32767,
1443 0xbf86, has_modet0 ? go->modet[0].motion_threshold : 32767,
1444 0xbf87, has_modet1 ? go->modet[1].motion_threshold : 32767,
1445 0xbf88, has_modet2 ? go->modet[2].motion_threshold : 32767,
1446 0xbf89, has_modet3 ? go->modet[3].motion_threshold : 32767,
1447 0xbf8a, has_modet0 ? go->modet[0].mb_threshold : 32767,
1448 0xbf8b, has_modet1 ? go->modet[1].mb_threshold : 32767,
1449 0xbf8c, has_modet2 ? go->modet[2].mb_threshold : 32767,
1450 0xbf8d, has_modet3 ? go->modet[3].mb_threshold : 32767,
1451 0xbf8e, 0,
1452 0xbf8f, 0,
1453 0, 0,
1454 };
1455
1456 ret = copy_packages(code, thresholds, 1, space);
1457 if (ret < 0)
1458 return -1;
1459 cnt += ret;
1460
1461 addr = 0xbac0;
1462 memset(pack, 0, 64);
1463 i = 0;
1464 for (mb = 0; mb < 1624; ++mb) {
1465 pack[i * 2 + 3] <<= 2;
1466 pack[i * 2 + 3] |= go->modet_map[mb];
1467 if (mb % 8 != 7)
1468 continue;
1469 pack[i * 2 + 2] = addr++;
1470 ++i;
1471 if (i == 10 || mb == 1623) {
1472 pack[0] = 0x2000 | i;
1473 ret = copy_packages(code + cnt, pack, 1, space - cnt);
1474 if (ret < 0)
1475 return -1;
1476 cnt += ret;
1477 i = 0;
1478 memset(pack, 0, 64);
1479 }
1480 pack[i * 2 + 3] = 0;
1481 }
1482
1483 memset(pack, 0, 64);
1484 i = 0;
1485 for (addr = 0xbb90; addr < 0xbbfa; ++addr) {
1486 pack[i * 2 + 2] = addr;
1487 pack[i * 2 + 3] = 0;
1488 ++i;
1489 if (i == 10 || addr == 0xbbf9) {
1490 pack[0] = 0x2000 | i;
1491 ret = copy_packages(code + cnt, pack, 1, space - cnt);
1492 if (ret < 0)
1493 return -1;
1494 cnt += ret;
1495 i = 0;
1496 memset(pack, 0, 64);
1497 }
1498 }
1499 return cnt;
1500 }
1501
do_special(struct go7007 * go,u16 type,__le16 * code,int space,int * framelen)1502 static int do_special(struct go7007 *go, u16 type, __le16 *code, int space,
1503 int *framelen)
1504 {
1505 switch (type) {
1506 case SPECIAL_FRM_HEAD:
1507 switch (go->format) {
1508 case V4L2_PIX_FMT_MJPEG:
1509 return gen_mjpeghdr_to_package(go, code, space);
1510 case V4L2_PIX_FMT_MPEG1:
1511 case V4L2_PIX_FMT_MPEG2:
1512 return gen_mpeg1hdr_to_package(go, code, space,
1513 framelen);
1514 case V4L2_PIX_FMT_MPEG4:
1515 return gen_mpeg4hdr_to_package(go, code, space,
1516 framelen);
1517 }
1518 case SPECIAL_BRC_CTRL:
1519 return brctrl_to_package(go, code, space, framelen);
1520 case SPECIAL_CONFIG:
1521 return config_package(go, code, space);
1522 case SPECIAL_SEQHEAD:
1523 switch (go->format) {
1524 case V4L2_PIX_FMT_MPEG1:
1525 case V4L2_PIX_FMT_MPEG2:
1526 return seqhead_to_package(go, code, space,
1527 mpeg1_sequence_header);
1528 case V4L2_PIX_FMT_MPEG4:
1529 return seqhead_to_package(go, code, space,
1530 mpeg4_sequence_header);
1531 default:
1532 return 0;
1533 }
1534 case SPECIAL_AV_SYNC:
1535 return avsync_to_package(go, code, space);
1536 case SPECIAL_FINAL:
1537 return final_package(go, code, space);
1538 case SPECIAL_AUDIO:
1539 return audio_to_package(go, code, space);
1540 case SPECIAL_MODET:
1541 return modet_to_package(go, code, space);
1542 }
1543 dev_err(go->dev,
1544 "firmware file contains unsupported feature %04x\n", type);
1545 return -1;
1546 }
1547
go7007_construct_fw_image(struct go7007 * go,u8 ** fw,int * fwlen)1548 int go7007_construct_fw_image(struct go7007 *go, u8 **fw, int *fwlen)
1549 {
1550 const struct firmware *fw_entry;
1551 __le16 *code, *src;
1552 int framelen[8] = { }; /* holds the lengths of empty frame templates */
1553 int codespace = 64 * 1024, i = 0, srclen, chunk_len, chunk_flags;
1554 int mode_flag;
1555 int ret;
1556
1557 switch (go->format) {
1558 case V4L2_PIX_FMT_MJPEG:
1559 mode_flag = FLAG_MODE_MJPEG;
1560 break;
1561 case V4L2_PIX_FMT_MPEG1:
1562 mode_flag = FLAG_MODE_MPEG1;
1563 break;
1564 case V4L2_PIX_FMT_MPEG2:
1565 mode_flag = FLAG_MODE_MPEG2;
1566 break;
1567 case V4L2_PIX_FMT_MPEG4:
1568 mode_flag = FLAG_MODE_MPEG4;
1569 break;
1570 default:
1571 return -1;
1572 }
1573 if (request_firmware(&fw_entry, GO7007_FW_NAME, go->dev)) {
1574 dev_err(go->dev,
1575 "unable to load firmware from file \"%s\"\n",
1576 GO7007_FW_NAME);
1577 return -1;
1578 }
1579 code = kzalloc(codespace * 2, GFP_KERNEL);
1580 if (code == NULL)
1581 goto fw_failed;
1582
1583 src = (__le16 *)fw_entry->data;
1584 srclen = fw_entry->size / 2;
1585 while (srclen >= 2) {
1586 chunk_flags = __le16_to_cpu(src[0]);
1587 chunk_len = __le16_to_cpu(src[1]);
1588 if (chunk_len + 2 > srclen) {
1589 dev_err(go->dev,
1590 "firmware file \"%s\" appears to be corrupted\n",
1591 GO7007_FW_NAME);
1592 goto fw_failed;
1593 }
1594 if (chunk_flags & mode_flag) {
1595 if (chunk_flags & FLAG_SPECIAL) {
1596 ret = do_special(go, __le16_to_cpu(src[2]),
1597 &code[i], codespace - i, framelen);
1598 if (ret < 0) {
1599 dev_err(go->dev,
1600 "insufficient memory for firmware construction\n");
1601 goto fw_failed;
1602 }
1603 i += ret;
1604 } else {
1605 if (codespace - i < chunk_len) {
1606 dev_err(go->dev,
1607 "insufficient memory for firmware construction\n");
1608 goto fw_failed;
1609 }
1610 memcpy(&code[i], &src[2], chunk_len * 2);
1611 i += chunk_len;
1612 }
1613 }
1614 srclen -= chunk_len + 2;
1615 src += chunk_len + 2;
1616 }
1617 release_firmware(fw_entry);
1618 *fw = (u8 *)code;
1619 *fwlen = i * 2;
1620 return 0;
1621
1622 fw_failed:
1623 kfree(code);
1624 release_firmware(fw_entry);
1625 return -1;
1626 }
1627
1628 MODULE_FIRMWARE(GO7007_FW_NAME);
1629