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GUI: Fix Tomato RAF theme for all builds. Compilation typo.
[tomato.git] / release / src-rt-6.x.4708 / linux / linux-2.6.36 / drivers / staging / go7007 / go7007-fw.c
blob12ea1f67278575df4e490f1bf15b485d7903c3aa
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 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software Foundation,
15 * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
16 */
17
18 /*
19 * This file contains code to generate a firmware image for the GO7007SB
20 * encoder. Much of the firmware is read verbatim from a file, but some of
21 * it concerning bitrate control and other things that can be configured at
22 * run-time are generated dynamically. Note that the format headers
23 * generated here do not affect the functioning of the encoder; they are
24 * merely parroted back to the host at the start of each frame.
25 */
26
27 #include <linux/module.h>
28 #include <linux/init.h>
29 #include <linux/time.h>
30 #include <linux/mm.h>
31 #include <linux/device.h>
32 #include <linux/i2c.h>
33 #include <linux/firmware.h>
34 #include <linux/slab.h>
35 #include <asm/byteorder.h>
36
37 #include "go7007-priv.h"
38
39 /* Constants used in the source firmware image to describe code segments */
40
41 #define FLAG_MODE_MJPEG (1)
42 #define FLAG_MODE_MPEG1 (1<<1)
43 #define FLAG_MODE_MPEG2 (1<<2)
44 #define FLAG_MODE_MPEG4 (1<<3)
45 #define FLAG_MODE_H263 (1<<4)
46 #define FLAG_MODE_ALL (FLAG_MODE_MJPEG | FLAG_MODE_MPEG1 | \
47 FLAG_MODE_MPEG2 | FLAG_MODE_MPEG4 | \
48 FLAG_MODE_H263)
49 #define FLAG_SPECIAL (1<<8)
50
51 #define SPECIAL_FRM_HEAD 0
52 #define SPECIAL_BRC_CTRL 1
53 #define SPECIAL_CONFIG 2
54 #define SPECIAL_SEQHEAD 3
55 #define SPECIAL_AV_SYNC 4
56 #define SPECIAL_FINAL 5
57 #define SPECIAL_AUDIO 6
58 #define SPECIAL_MODET 7
59
60 /* Little data class for creating MPEG headers bit-by-bit */
61
62 struct code_gen {
63 unsigned char *p; /* destination */
64 u32 a; /* collects bits at the top of the variable */
65 int b; /* bit position of most recently-written bit */
66 int len; /* written out so far */
67 };
68
69 #define CODE_GEN(name, dest) struct code_gen name = { dest, 0, 32, 0 }
70
71 #define CODE_ADD(name, val, length) do { \
72 name.b -= (length); \
73 name.a |= (val) << name.b; \
74 while (name.b <= 24) { \
75 *name.p = name.a >> 24; \
76 ++name.p; \
77 name.a <<= 8; \
78 name.b += 8; \
79 name.len += 8; \
80 } \
81 } while (0)
82
83 #define CODE_LENGTH(name) (name.len + (32 - name.b))
84
85 /* Tables for creating the bitrate control data */
86
87 static const s16 converge_speed_ip[101] = {
88 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
89 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
90 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
91 1, 1, 1, 1, 1, 1, 1, 1, 1, 2,
92 2, 2, 2, 2, 2, 2, 2, 2, 2, 3,
93 3, 3, 3, 3, 3, 4, 4, 4, 4, 4,
94 5, 5, 5, 6, 6, 6, 7, 7, 8, 8,
95 9, 10, 10, 11, 12, 13, 14, 15, 16, 17,
96 19, 20, 22, 23, 25, 27, 30, 32, 35, 38,
97 41, 45, 49, 53, 58, 63, 69, 76, 83, 91,
98 100
99 };
100
101 static const s16 converge_speed_ipb[101] = {
102 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
103 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
104 3, 3, 3, 3, 3, 4, 4, 4, 4, 4,
105 4, 4, 4, 4, 5, 5, 5, 5, 5, 6,
106 6, 6, 6, 7, 7, 7, 7, 8, 8, 9,
107 9, 9, 10, 10, 11, 12, 12, 13, 14, 14,
108 15, 16, 17, 18, 19, 20, 22, 23, 25, 26,
109 28, 30, 32, 34, 37, 40, 42, 46, 49, 53,
110 57, 61, 66, 71, 77, 83, 90, 97, 106, 115,
111 125, 135, 147, 161, 175, 191, 209, 228, 249, 273,
112 300
113 };
114
115 static const s16 LAMBDA_table[4][101] = {
116 { 16, 16, 16, 16, 17, 17, 17, 18, 18, 18,
117 19, 19, 19, 20, 20, 20, 21, 21, 22, 22,
118 22, 23, 23, 24, 24, 25, 25, 25, 26, 26,
119 27, 27, 28, 28, 29, 29, 30, 31, 31, 32,
120 32, 33, 33, 34, 35, 35, 36, 37, 37, 38,
121 39, 39, 40, 41, 42, 42, 43, 44, 45, 46,
122 46, 47, 48, 49, 50, 51, 52, 53, 54, 55,
123 56, 57, 58, 59, 60, 61, 62, 63, 64, 65,
124 67, 68, 69, 70, 72, 73, 74, 76, 77, 78,
125 80, 81, 83, 84, 86, 87, 89, 90, 92, 94,
126 96
127 },
128 {
129 20, 20, 20, 21, 21, 21, 22, 22, 23, 23,
130 23, 24, 24, 25, 25, 26, 26, 27, 27, 28,
131 28, 29, 29, 30, 30, 31, 31, 32, 33, 33,
132 34, 34, 35, 36, 36, 37, 38, 38, 39, 40,
133 40, 41, 42, 43, 43, 44, 45, 46, 47, 48,
134 48, 49, 50, 51, 52, 53, 54, 55, 56, 57,
135 58, 59, 60, 61, 62, 64, 65, 66, 67, 68,
136 70, 71, 72, 73, 75, 76, 78, 79, 80, 82,
137 83, 85, 86, 88, 90, 91, 93, 95, 96, 98,
138 100, 102, 103, 105, 107, 109, 111, 113, 115, 117,
139 120
140 },
141 {
142 24, 24, 24, 25, 25, 26, 26, 27, 27, 28,
143 28, 29, 29, 30, 30, 31, 31, 32, 33, 33,
144 34, 34, 35, 36, 36, 37, 38, 38, 39, 40,
145 41, 41, 42, 43, 44, 44, 45, 46, 47, 48,
146 49, 50, 50, 51, 52, 53, 54, 55, 56, 57,
147 58, 59, 60, 62, 63, 64, 65, 66, 67, 69,
148 70, 71, 72, 74, 75, 76, 78, 79, 81, 82,
149 84, 85, 87, 88, 90, 92, 93, 95, 97, 98,
150 100, 102, 104, 106, 108, 110, 112, 114, 116, 118,
151 120, 122, 124, 127, 129, 131, 134, 136, 138, 141,
152 144
153 },
154 {
155 32, 32, 33, 33, 34, 34, 35, 36, 36, 37,
156 38, 38, 39, 40, 41, 41, 42, 43, 44, 44,
157 45, 46, 47, 48, 49, 50, 50, 51, 52, 53,
158 54, 55, 56, 57, 58, 59, 60, 62, 63, 64,
159 65, 66, 67, 69, 70, 71, 72, 74, 75, 76,
160 78, 79, 81, 82, 84, 85, 87, 88, 90, 92,
161 93, 95, 97, 98, 100, 102, 104, 106, 108, 110,
162 112, 114, 116, 118, 120, 122, 124, 127, 129, 131,
163 134, 136, 139, 141, 144, 146, 149, 152, 154, 157,
164 160, 163, 166, 169, 172, 175, 178, 181, 185, 188,
165 192
166 }
167 };
168
169 /* MPEG blank frame generation tables */
170
171 enum mpeg_frame_type {
172 PFRAME,
173 BFRAME_PRE,
174 BFRAME_POST,
175 BFRAME_BIDIR,
176 BFRAME_EMPTY
177 };
178
179 static const u32 addrinctab[33][2] = {
180 { 0x01, 1 }, { 0x03, 3 }, { 0x02, 3 }, { 0x03, 4 },
181 { 0x02, 4 }, { 0x03, 5 }, { 0x02, 5 }, { 0x07, 7 },
182 { 0x06, 7 }, { 0x0b, 8 }, { 0x0a, 8 }, { 0x09, 8 },
183 { 0x08, 8 }, { 0x07, 8 }, { 0x06, 8 }, { 0x17, 10 },
184 { 0x16, 10 }, { 0x15, 10 }, { 0x14, 10 }, { 0x13, 10 },
185 { 0x12, 10 }, { 0x23, 11 }, { 0x22, 11 }, { 0x21, 11 },
186 { 0x20, 11 }, { 0x1f, 11 }, { 0x1e, 11 }, { 0x1d, 11 },
187 { 0x1c, 11 }, { 0x1b, 11 }, { 0x1a, 11 }, { 0x19, 11 },
188 { 0x18, 11 }
189 };
190
191 /* Standard JPEG tables */
192
193 static const u8 default_intra_quant_table[] = {
194 8, 16, 19, 22, 26, 27, 29, 34,
195 16, 16, 22, 24, 27, 29, 34, 37,
196 19, 22, 26, 27, 29, 34, 34, 38,
197 22, 22, 26, 27, 29, 34, 37, 40,
198 22, 26, 27, 29, 32, 35, 40, 48,
199 26, 27, 29, 32, 35, 40, 48, 58,
200 26, 27, 29, 34, 38, 46, 56, 69,
201 27, 29, 35, 38, 46, 56, 69, 83
202 };
203
204 static const u8 bits_dc_luminance[] = {
205 0, 0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0
206 };
207
208 static const u8 val_dc_luminance[] = {
209 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
210 };
211
212 static const u8 bits_dc_chrominance[] = {
213 0, 0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0
214 };
215
216 static const u8 val_dc_chrominance[] = {
217 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
218 };
219
220 static const u8 bits_ac_luminance[] = {
221 0, 0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7d
222 };
223
224 static const u8 val_ac_luminance[] = {
225 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12,
226 0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07,
227 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08,
228 0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0,
229 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16,
230 0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28,
231 0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39,
232 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49,
233 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59,
234 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69,
235 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79,
236 0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
237 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98,
238 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
239 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6,
240 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5,
241 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4,
242 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2,
243 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea,
244 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
245 0xf9, 0xfa
246 };
247
248 static const u8 bits_ac_chrominance[] = {
249 0, 0, 2, 1, 2, 4, 4, 3, 4, 7, 5, 4, 4, 0, 1, 2, 0x77
250 };
251
252 static const u8 val_ac_chrominance[] = {
253 0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21,
254 0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71,
255 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91,
256 0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0,
257 0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34,
258 0xe1, 0x25, 0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26,
259 0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38,
260 0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48,
261 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
262 0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68,
263 0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
264 0x79, 0x7a, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
265 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96,
266 0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5,
267 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4,
268 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3,
269 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2,
270 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda,
271 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
272 0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
273 0xf9, 0xfa
274 };
275
276 /* Zig-zag mapping for quant table
277 *
278 * OK, let's do this mapping on the actual table above so it doesn't have
279 * to be done on the fly.
280 */
281 static const int zz[64] = {
282 0, 1, 8, 16, 9, 2, 3, 10, 17, 24, 32, 25, 18, 11, 4, 5,
283 12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13, 6, 7, 14, 21, 28,
284 35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51,
285 58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63
286 };
287
288 static int copy_packages(__le16 *dest, u16 *src, int pkg_cnt, int space)
289 {
290 int i, cnt = pkg_cnt * 32;
291
292 if (space < cnt)
293 return -1;
294
295 for (i = 0; i < cnt; ++i)
296 dest[i] = cpu_to_le16p(src + i);
297
298 return cnt;
299 }
300
301 static int mjpeg_frame_header(struct go7007 *go, unsigned char *buf, int q)
302 {
303 int i, p = 0;
304
305 buf[p++] = 0xff;
306 buf[p++] = 0xd8;
307 buf[p++] = 0xff;
308 buf[p++] = 0xdb;
309 buf[p++] = 0;
310 buf[p++] = 2 + 65;
311 buf[p++] = 0;
312 buf[p++] = default_intra_quant_table[0];
313 for (i = 1; i < 64; ++i)
314 /* buf[p++] = (default_intra_quant_table[i] * q) >> 3; */
315 buf[p++] = (default_intra_quant_table[zz[i]] * q) >> 3;
316 buf[p++] = 0xff;
317 buf[p++] = 0xc0;
318 buf[p++] = 0;
319 buf[p++] = 17;
320 buf[p++] = 8;
321 buf[p++] = go->height >> 8;
322 buf[p++] = go->height & 0xff;
323 buf[p++] = go->width >> 8;
324 buf[p++] = go->width & 0xff;
325 buf[p++] = 3;
326 buf[p++] = 1;
327 buf[p++] = 0x22;
328 buf[p++] = 0;
329 buf[p++] = 2;
330 buf[p++] = 0x11;
331 buf[p++] = 0;
332 buf[p++] = 3;
333 buf[p++] = 0x11;
334 buf[p++] = 0;
335 buf[p++] = 0xff;
336 buf[p++] = 0xc4;
337 buf[p++] = 418 >> 8;
338 buf[p++] = 418 & 0xff;
339 buf[p++] = 0x00;
340 memcpy(buf + p, bits_dc_luminance + 1, 16);
341 p += 16;
342 memcpy(buf + p, val_dc_luminance, sizeof(val_dc_luminance));
343 p += sizeof(val_dc_luminance);
344 buf[p++] = 0x01;
345 memcpy(buf + p, bits_dc_chrominance + 1, 16);
346 p += 16;
347 memcpy(buf + p, val_dc_chrominance, sizeof(val_dc_chrominance));
348 p += sizeof(val_dc_chrominance);
349 buf[p++] = 0x10;
350 memcpy(buf + p, bits_ac_luminance + 1, 16);
351 p += 16;
352 memcpy(buf + p, val_ac_luminance, sizeof(val_ac_luminance));
353 p += sizeof(val_ac_luminance);
354 buf[p++] = 0x11;
355 memcpy(buf + p, bits_ac_chrominance + 1, 16);
356 p += 16;
357 memcpy(buf + p, val_ac_chrominance, sizeof(val_ac_chrominance));
358 p += sizeof(val_ac_chrominance);
359 buf[p++] = 0xff;
360 buf[p++] = 0xda;
361 buf[p++] = 0;
362 buf[p++] = 12;
363 buf[p++] = 3;
364 buf[p++] = 1;
365 buf[p++] = 0x00;
366 buf[p++] = 2;
367 buf[p++] = 0x11;
368 buf[p++] = 3;
369 buf[p++] = 0x11;
370 buf[p++] = 0;
371 buf[p++] = 63;
372 buf[p++] = 0;
373 return p;
374 }
375
376 static int gen_mjpeghdr_to_package(struct go7007 *go, __le16 *code, int space)
377 {
378 u8 *buf;
379 u16 mem = 0x3e00;
380 unsigned int addr = 0x19;
381 int size = 0, i, off = 0, chunk;
382
383 buf = kzalloc(4096, GFP_KERNEL);
384 if (buf == NULL) {
385 printk(KERN_ERR "go7007: unable to allocate 4096 bytes for "
386 "firmware construction\n");
387 return -1;
388 }
389
390 for (i = 1; i < 32; ++i) {
391 mjpeg_frame_header(go, buf + size, i);
392 size += 80;
393 }
394 chunk = mjpeg_frame_header(go, buf + size, 1);
395 memmove(buf + size, buf + size + 80, chunk - 80);
396 size += chunk - 80;
397
398 for (i = 0; i < size; i += chunk * 2) {
399 if (space - off < 32) {
400 off = -1;
401 goto done;
402 }
403
404 code[off + 1] = __cpu_to_le16(0x8000 | mem);
405
406 chunk = 28;
407 if (mem + chunk > 0x4000)
408 chunk = 0x4000 - mem;
409 if (i + 2 * chunk > size)
410 chunk = (size - i) / 2;
411
412 if (chunk < 28) {
413 code[off] = __cpu_to_le16(0x4000 | chunk);
414 code[off + 31] = __cpu_to_le16(addr++);
415 mem = 0x3e00;
416 } else {
417 code[off] = __cpu_to_le16(0x1000 | 28);
418 code[off + 31] = 0;
419 mem += 28;
420 }
421
422 memcpy(&code[off + 2], buf + i, chunk * 2);
423 off += 32;
424 }
425 done:
426 kfree(buf);
427 return off;
428 }
429
430 static int mpeg1_frame_header(struct go7007 *go, unsigned char *buf,
431 int modulo, int pict_struct, enum mpeg_frame_type frame)
432 {
433 int i, j, mb_code, mb_len;
434 int rows = go->interlace_coding ? go->height / 32 : go->height / 16;
435 CODE_GEN(c, buf + 6);
436
437 switch (frame) {
438 case PFRAME:
439 mb_code = 0x1;
440 mb_len = 3;
441 break;
442 case BFRAME_PRE:
443 mb_code = 0x2;
444 mb_len = 4;
445 break;
446 case BFRAME_POST:
447 mb_code = 0x2;
448 mb_len = 3;
449 break;
450 case BFRAME_BIDIR:
451 mb_code = 0x2;
452 mb_len = 2;
453 break;
454 default: /* keep the compiler happy */
455 mb_code = mb_len = 0;
456 break;
457 }
458
459 CODE_ADD(c, frame == PFRAME ? 0x2 : 0x3, 13);
460 CODE_ADD(c, 0xffff, 16);
461 CODE_ADD(c, go->format == GO7007_FORMAT_MPEG2 ? 0x7 : 0x4, 4);
462 if (frame != PFRAME)
463 CODE_ADD(c, go->format == GO7007_FORMAT_MPEG2 ? 0x7 : 0x4, 4);
464 else
465 CODE_ADD(c, 0, 4); /* Is this supposed to be here?? */
466 CODE_ADD(c, 0, 3); /* What is this?? */
467 /* Byte-align with zeros */
468 j = 8 - (CODE_LENGTH(c) % 8);
469 if (j != 8)
470 CODE_ADD(c, 0, j);
471
472 if (go->format == GO7007_FORMAT_MPEG2) {
473 CODE_ADD(c, 0x1, 24);
474 CODE_ADD(c, 0xb5, 8);
475 CODE_ADD(c, 0x844, 12);
476 CODE_ADD(c, frame == PFRAME ? 0xff : 0x44, 8);
477 if (go->interlace_coding) {
478 CODE_ADD(c, pict_struct, 4);
479 if (go->dvd_mode)
480 CODE_ADD(c, 0x000, 11);
481 else
482 CODE_ADD(c, 0x200, 11);
483 } else {
484 CODE_ADD(c, 0x3, 4);
485 CODE_ADD(c, 0x20c, 11);
486 }
487 /* Byte-align with zeros */
488 j = 8 - (CODE_LENGTH(c) % 8);
489 if (j != 8)
490 CODE_ADD(c, 0, j);
491 }
492
493 for (i = 0; i < rows; ++i) {
494 CODE_ADD(c, 1, 24);
495 CODE_ADD(c, i + 1, 8);
496 CODE_ADD(c, 0x2, 6);
497 CODE_ADD(c, 0x1, 1);
498 CODE_ADD(c, mb_code, mb_len);
499 if (go->interlace_coding) {
500 CODE_ADD(c, 0x1, 2);
501 CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1);
502 }
503 if (frame == BFRAME_BIDIR) {
504 CODE_ADD(c, 0x3, 2);
505 if (go->interlace_coding)
506 CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1);
507 }
508 CODE_ADD(c, 0x3, 2);
509 for (j = (go->width >> 4) - 2; j >= 33; j -= 33)
510 CODE_ADD(c, 0x8, 11);
511 CODE_ADD(c, addrinctab[j][0], addrinctab[j][1]);
512 CODE_ADD(c, mb_code, mb_len);
513 if (go->interlace_coding) {
514 CODE_ADD(c, 0x1, 2);
515 CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1);
516 }
517 if (frame == BFRAME_BIDIR) {
518 CODE_ADD(c, 0x3, 2);
519 if (go->interlace_coding)
520 CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1);
521 }
522 CODE_ADD(c, 0x3, 2);
523
524 /* Byte-align with zeros */
525 j = 8 - (CODE_LENGTH(c) % 8);
526 if (j != 8)
527 CODE_ADD(c, 0, j);
528 }
529
530 i = CODE_LENGTH(c) + 4 * 8;
531 buf[2] = 0x00;
532 buf[3] = 0x00;
533 buf[4] = 0x01;
534 buf[5] = 0x00;
535 return i;
536 }
537
538 static int mpeg1_sequence_header(struct go7007 *go, unsigned char *buf, int ext)
539 {
540 int i, aspect_ratio, picture_rate;
541 CODE_GEN(c, buf + 6);
542
543 if (go->format == GO7007_FORMAT_MPEG1) {
544 switch (go->aspect_ratio) {
545 case GO7007_RATIO_4_3:
546 aspect_ratio = go->standard == GO7007_STD_NTSC ? 3 : 2;
547 break;
548 case GO7007_RATIO_16_9:
549 aspect_ratio = go->standard == GO7007_STD_NTSC ? 5 : 4;
550 break;
551 default:
552 aspect_ratio = 1;
553 break;
554 }
555 } else {
556 switch (go->aspect_ratio) {
557 case GO7007_RATIO_4_3:
558 aspect_ratio = 2;
559 break;
560 case GO7007_RATIO_16_9:
561 aspect_ratio = 3;
562 break;
563 default:
564 aspect_ratio = 1;
565 break;
566 }
567 }
568 switch (go->sensor_framerate) {
569 case 24000:
570 picture_rate = 1;
571 break;
572 case 24024:
573 picture_rate = 2;
574 break;
575 case 25025:
576 picture_rate = go->interlace_coding ? 6 : 3;
577 break;
578 case 30000:
579 picture_rate = go->interlace_coding ? 7 : 4;
580 break;
581 case 30030:
582 picture_rate = go->interlace_coding ? 8 : 5;
583 break;
584 default:
585 picture_rate = 5; /* 30 fps seems like a reasonable default */
586 break;
587 }
588
589 CODE_ADD(c, go->width, 12);
590 CODE_ADD(c, go->height, 12);
591 CODE_ADD(c, aspect_ratio, 4);
592 CODE_ADD(c, picture_rate, 4);
593 CODE_ADD(c, go->format == GO7007_FORMAT_MPEG2 ? 20000 : 0x3ffff, 18);
594 CODE_ADD(c, 1, 1);
595 CODE_ADD(c, go->format == GO7007_FORMAT_MPEG2 ? 112 : 20, 10);
596 CODE_ADD(c, 0, 3);
597
598 /* Byte-align with zeros */
599 i = 8 - (CODE_LENGTH(c) % 8);
600 if (i != 8)
601 CODE_ADD(c, 0, i);
602
603 if (go->format == GO7007_FORMAT_MPEG2) {
604 CODE_ADD(c, 0x1, 24);
605 CODE_ADD(c, 0xb5, 8);
606 CODE_ADD(c, 0x148, 12);
607 if (go->interlace_coding)
608 CODE_ADD(c, 0x20001, 20);
609 else
610 CODE_ADD(c, 0xa0001, 20);
611 CODE_ADD(c, 0, 16);
612
613 /* Byte-align with zeros */
614 i = 8 - (CODE_LENGTH(c) % 8);
615 if (i != 8)
616 CODE_ADD(c, 0, i);
617
618 if (ext) {
619 CODE_ADD(c, 0x1, 24);
620 CODE_ADD(c, 0xb52, 12);
621 CODE_ADD(c, go->standard == GO7007_STD_NTSC ? 2 : 1, 3);
622 CODE_ADD(c, 0x105, 9);
623 CODE_ADD(c, 0x505, 16);
624 CODE_ADD(c, go->width, 14);
625 CODE_ADD(c, 1, 1);
626 CODE_ADD(c, go->height, 14);
627
628 /* Byte-align with zeros */
629 i = 8 - (CODE_LENGTH(c) % 8);
630 if (i != 8)
631 CODE_ADD(c, 0, i);
632 }
633 }
634
635 i = CODE_LENGTH(c) + 4 * 8;
636 buf[0] = i & 0xff;
637 buf[1] = i >> 8;
638 buf[2] = 0x00;
639 buf[3] = 0x00;
640 buf[4] = 0x01;
641 buf[5] = 0xb3;
642 return i;
643 }
644
645 static int gen_mpeg1hdr_to_package(struct go7007 *go,
646 __le16 *code, int space, int *framelen)
647 {
648 u8 *buf;
649 u16 mem = 0x3e00;
650 unsigned int addr = 0x19;
651 int i, off = 0, chunk;
652
653 buf = kzalloc(5120, GFP_KERNEL);
654 if (buf == NULL) {
655 printk(KERN_ERR "go7007: unable to allocate 5120 bytes for "
656 "firmware construction\n");
657 return -1;
658 }
659 framelen[0] = mpeg1_frame_header(go, buf, 0, 1, PFRAME);
660 if (go->interlace_coding)
661 framelen[0] += mpeg1_frame_header(go, buf + framelen[0] / 8,
662 0, 2, PFRAME);
663 buf[0] = framelen[0] & 0xff;
664 buf[1] = framelen[0] >> 8;
665 i = 368;
666 framelen[1] = mpeg1_frame_header(go, buf + i, 0, 1, BFRAME_PRE);
667 if (go->interlace_coding)
668 framelen[1] += mpeg1_frame_header(go, buf + i + framelen[1] / 8,
669 0, 2, BFRAME_PRE);
670 buf[i] = framelen[1] & 0xff;
671 buf[i + 1] = framelen[1] >> 8;
672 i += 1632;
673 framelen[2] = mpeg1_frame_header(go, buf + i, 0, 1, BFRAME_POST);
674 if (go->interlace_coding)
675 framelen[2] += mpeg1_frame_header(go, buf + i + framelen[2] / 8,
676 0, 2, BFRAME_POST);
677 buf[i] = framelen[2] & 0xff;
678 buf[i + 1] = framelen[2] >> 8;
679 i += 1432;
680 framelen[3] = mpeg1_frame_header(go, buf + i, 0, 1, BFRAME_BIDIR);
681 if (go->interlace_coding)
682 framelen[3] += mpeg1_frame_header(go, buf + i + framelen[3] / 8,
683 0, 2, BFRAME_BIDIR);
684 buf[i] = framelen[3] & 0xff;
685 buf[i + 1] = framelen[3] >> 8;
686 i += 1632 + 16;
687 mpeg1_sequence_header(go, buf + i, 0);
688 i += 40;
689 for (i = 0; i < 5120; i += chunk * 2) {
690 if (space - off < 32) {
691 off = -1;
692 goto done;
693 }
694
695 code[off + 1] = __cpu_to_le16(0x8000 | mem);
696
697 chunk = 28;
698 if (mem + chunk > 0x4000)
699 chunk = 0x4000 - mem;
700 if (i + 2 * chunk > 5120)
701 chunk = (5120 - i) / 2;
702
703 if (chunk < 28) {
704 code[off] = __cpu_to_le16(0x4000 | chunk);
705 code[off + 31] = __cpu_to_le16(addr);
706 if (mem + chunk == 0x4000) {
707 mem = 0x3e00;
708 ++addr;
709 }
710 } else {
711 code[off] = __cpu_to_le16(0x1000 | 28);
712 code[off + 31] = 0;
713 mem += 28;
714 }
715
716 memcpy(&code[off + 2], buf + i, chunk * 2);
717 off += 32;
718 }
719 done:
720 kfree(buf);
721 return off;
722 }
723
724 static int vti_bitlen(struct go7007 *go)
725 {
726 unsigned int i, max_time_incr = go->sensor_framerate / go->fps_scale;
727
728 for (i = 31; (max_time_incr & ((1 << i) - 1)) == max_time_incr; --i);
729 return i + 1;
730 }
731
732 static int mpeg4_frame_header(struct go7007 *go, unsigned char *buf,
733 int modulo, enum mpeg_frame_type frame)
734 {
735 int i;
736 CODE_GEN(c, buf + 6);
737 int mb_count = (go->width >> 4) * (go->height >> 4);
738
739 CODE_ADD(c, frame == PFRAME ? 0x1 : 0x2, 2);
740 if (modulo)
741 CODE_ADD(c, 0x1, 1);
742 CODE_ADD(c, 0x1, 2);
743 CODE_ADD(c, 0, vti_bitlen(go));
744 CODE_ADD(c, 0x3, 2);
745 if (frame == PFRAME)
746 CODE_ADD(c, 0, 1);
747 CODE_ADD(c, 0xc, 11);
748 if (frame != PFRAME)
749 CODE_ADD(c, 0x4, 3);
750 if (frame != BFRAME_EMPTY) {
751 for (i = 0; i < mb_count; ++i) {
752 switch (frame) {
753 case PFRAME:
754 CODE_ADD(c, 0x1, 1);
755 break;
756 case BFRAME_PRE:
757 CODE_ADD(c, 0x47, 8);
758 break;
759 case BFRAME_POST:
760 CODE_ADD(c, 0x27, 7);
761 break;
762 case BFRAME_BIDIR:
763 CODE_ADD(c, 0x5f, 8);
764 break;
765 case BFRAME_EMPTY: /* keep compiler quiet */
766 break;
767 }
768 }
769 }
770
771 /* Byte-align with a zero followed by ones */
772 i = 8 - (CODE_LENGTH(c) % 8);
773 CODE_ADD(c, 0, 1);
774 CODE_ADD(c, (1 << (i - 1)) - 1, i - 1);
775
776 i = CODE_LENGTH(c) + 4 * 8;
777 buf[0] = i & 0xff;
778 buf[1] = i >> 8;
779 buf[2] = 0x00;
780 buf[3] = 0x00;
781 buf[4] = 0x01;
782 buf[5] = 0xb6;
783 return i;
784 }
785
786 static int mpeg4_sequence_header(struct go7007 *go, unsigned char *buf, int ext)
787 {
788 const unsigned char head[] = { 0x00, 0x00, 0x01, 0xb0, go->pali,
789 0x00, 0x00, 0x01, 0xb5, 0x09,
790 0x00, 0x00, 0x01, 0x00,
791 0x00, 0x00, 0x01, 0x20, };
792 int i, aspect_ratio;
793 int fps = go->sensor_framerate / go->fps_scale;
794 CODE_GEN(c, buf + 2 + sizeof(head));
795
796 switch (go->aspect_ratio) {
797 case GO7007_RATIO_4_3:
798 aspect_ratio = go->standard == GO7007_STD_NTSC ? 3 : 2;
799 break;
800 case GO7007_RATIO_16_9:
801 aspect_ratio = go->standard == GO7007_STD_NTSC ? 5 : 4;
802 break;
803 default:
804 aspect_ratio = 1;
805 break;
806 }
807
808 memcpy(buf + 2, head, sizeof(head));
809 CODE_ADD(c, 0x191, 17);
810 CODE_ADD(c, aspect_ratio, 4);
811 CODE_ADD(c, 0x1, 4);
812 CODE_ADD(c, fps, 16);
813 CODE_ADD(c, 0x3, 2);
814 CODE_ADD(c, 1001, vti_bitlen(go));
815 CODE_ADD(c, 1, 1);
816 CODE_ADD(c, go->width, 13);
817 CODE_ADD(c, 1, 1);
818 CODE_ADD(c, go->height, 13);
819 CODE_ADD(c, 0x2830, 14);
820
821 /* Byte-align */
822 i = 8 - (CODE_LENGTH(c) % 8);
823 CODE_ADD(c, 0, 1);
824 CODE_ADD(c, (1 << (i - 1)) - 1, i - 1);
825
826 i = CODE_LENGTH(c) + sizeof(head) * 8;
827 buf[0] = i & 0xff;
828 buf[1] = i >> 8;
829 return i;
830 }
831
832 static int gen_mpeg4hdr_to_package(struct go7007 *go,
833 __le16 *code, int space, int *framelen)
834 {
835 u8 *buf;
836 u16 mem = 0x3e00;
837 unsigned int addr = 0x19;
838 int i, off = 0, chunk;
839
840 buf = kzalloc(5120, GFP_KERNEL);
841 if (buf == NULL) {
842 printk(KERN_ERR "go7007: unable to allocate 5120 bytes for "
843 "firmware construction\n");
844 return -1;
845 }
846 framelen[0] = mpeg4_frame_header(go, buf, 0, PFRAME);
847 i = 368;
848 framelen[1] = mpeg4_frame_header(go, buf + i, 0, BFRAME_PRE);
849 i += 1632;
850 framelen[2] = mpeg4_frame_header(go, buf + i, 0, BFRAME_POST);
851 i += 1432;
852 framelen[3] = mpeg4_frame_header(go, buf + i, 0, BFRAME_BIDIR);
853 i += 1632;
854 mpeg4_frame_header(go, buf + i, 0, BFRAME_EMPTY);
855 i += 16;
856 mpeg4_sequence_header(go, buf + i, 0);
857 i += 40;
858 for (i = 0; i < 5120; i += chunk * 2) {
859 if (space - off < 32) {
860 off = -1;
861 goto done;
862 }
863
864 code[off + 1] = __cpu_to_le16(0x8000 | mem);
865
866 chunk = 28;
867 if (mem + chunk > 0x4000)
868 chunk = 0x4000 - mem;
869 if (i + 2 * chunk > 5120)
870 chunk = (5120 - i) / 2;
871
872 if (chunk < 28) {
873 code[off] = __cpu_to_le16(0x4000 | chunk);
874 code[off + 31] = __cpu_to_le16(addr);
875 if (mem + chunk == 0x4000) {
876 mem = 0x3e00;
877 ++addr;
878 }
879 } else {
880 code[off] = __cpu_to_le16(0x1000 | 28);
881 code[off + 31] = 0;
882 mem += 28;
883 }
884
885 memcpy(&code[off + 2], buf + i, chunk * 2);
886 off += 32;
887 }
888 mem = 0x3e00;
889 addr = go->ipb ? 0x14f9 : 0x0af9;
890 memset(buf, 0, 5120);
891 framelen[4] = mpeg4_frame_header(go, buf, 1, PFRAME);
892 i = 368;
893 framelen[5] = mpeg4_frame_header(go, buf + i, 1, BFRAME_PRE);
894 i += 1632;
895 framelen[6] = mpeg4_frame_header(go, buf + i, 1, BFRAME_POST);
896 i += 1432;
897 framelen[7] = mpeg4_frame_header(go, buf + i, 1, BFRAME_BIDIR);
898 i += 1632;
899 mpeg4_frame_header(go, buf + i, 1, BFRAME_EMPTY);
900 i += 16;
901 for (i = 0; i < 5120; i += chunk * 2) {
902 if (space - off < 32) {
903 off = -1;
904 goto done;
905 }
906
907 code[off + 1] = __cpu_to_le16(0x8000 | mem);
908
909 chunk = 28;
910 if (mem + chunk > 0x4000)
911 chunk = 0x4000 - mem;
912 if (i + 2 * chunk > 5120)
913 chunk = (5120 - i) / 2;
914
915 if (chunk < 28) {
916 code[off] = __cpu_to_le16(0x4000 | chunk);
917 code[off + 31] = __cpu_to_le16(addr);
918 if (mem + chunk == 0x4000) {
919 mem = 0x3e00;
920 ++addr;
921 }
922 } else {
923 code[off] = __cpu_to_le16(0x1000 | 28);
924 code[off + 31] = 0;
925 mem += 28;
926 }
927
928 memcpy(&code[off + 2], buf + i, chunk * 2);
929 off += 32;
930 }
931 done:
932 kfree(buf);
933 return off;
934 }
935
936 static int brctrl_to_package(struct go7007 *go,
937 __le16 *code, int space, int *framelen)
938 {
939 int converge_speed = 0;
940 int lambda = (go->format == GO7007_FORMAT_MJPEG || go->dvd_mode) ?
941 100 : 0;
942 int peak_rate = 6 * go->bitrate / 5;
943 int vbv_buffer = go->format == GO7007_FORMAT_MJPEG ?
944 go->bitrate :
945 (go->dvd_mode ? 900000 : peak_rate);
946 int fps = go->sensor_framerate / go->fps_scale;
947 int q = 0;
948 /* Bizarre math below depends on rounding errors in division */
949 u32 sgop_expt_addr = go->bitrate / 32 * (go->ipb ? 3 : 1) * 1001 / fps;
950 u32 sgop_peak_addr = peak_rate / 32 * 1001 / fps;
951 u32 total_expt_addr = go->bitrate / 32 * 1000 / fps * (fps / 1000);
952 u32 vbv_alert_addr = vbv_buffer * 3 / (4 * 32);
953 u32 cplx[] = {
954 q > 0 ? sgop_expt_addr * q :
955 2 * go->width * go->height * (go->ipb ? 6 : 4) / 32,
956 q > 0 ? sgop_expt_addr * q :
957 2 * go->width * go->height * (go->ipb ? 6 : 4) / 32,
958 q > 0 ? sgop_expt_addr * q :
959 2 * go->width * go->height * (go->ipb ? 6 : 4) / 32,
960 q > 0 ? sgop_expt_addr * q :
961 2 * go->width * go->height * (go->ipb ? 6 : 4) / 32,
962 };
963 u32 calc_q = q > 0 ? q : cplx[0] / sgop_expt_addr;
964 u16 pack[] = {
965 0x200e, 0x0000,
966 0xBF20, go->ipb ? converge_speed_ipb[converge_speed]
967 : converge_speed_ip[converge_speed],
968 0xBF21, go->ipb ? 2 : 0,
969 0xBF22, go->ipb ? LAMBDA_table[0][lambda / 2 + 50]
970 : 32767,
971 0xBF23, go->ipb ? LAMBDA_table[1][lambda] : 32767,
972 0xBF24, 32767,
973 0xBF25, lambda > 99 ? 32767 : LAMBDA_table[3][lambda],
974 0xBF26, sgop_expt_addr & 0x0000FFFF,
975 0xBF27, sgop_expt_addr >> 16,
976 0xBF28, sgop_peak_addr & 0x0000FFFF,
977 0xBF29, sgop_peak_addr >> 16,
978 0xBF2A, vbv_alert_addr & 0x0000FFFF,
979 0xBF2B, vbv_alert_addr >> 16,
980 0xBF2C, 0,
981 0xBF2D, 0,
982 0, 0,
983
984 0x200e, 0x0000,
985 0xBF2E, vbv_alert_addr & 0x0000FFFF,
986 0xBF2F, vbv_alert_addr >> 16,
987 0xBF30, cplx[0] & 0x0000FFFF,
988 0xBF31, cplx[0] >> 16,
989 0xBF32, cplx[1] & 0x0000FFFF,
990 0xBF33, cplx[1] >> 16,
991 0xBF34, cplx[2] & 0x0000FFFF,
992 0xBF35, cplx[2] >> 16,
993 0xBF36, cplx[3] & 0x0000FFFF,
994 0xBF37, cplx[3] >> 16,
995 0xBF38, 0,
996 0xBF39, 0,
997 0xBF3A, total_expt_addr & 0x0000FFFF,
998 0xBF3B, total_expt_addr >> 16,
999 0, 0,
1000
1001 0x200e, 0x0000,
1002 0xBF3C, total_expt_addr & 0x0000FFFF,
1003 0xBF3D, total_expt_addr >> 16,
1004 0xBF3E, 0,
1005 0xBF3F, 0,
1006 0xBF48, 0,
1007 0xBF49, 0,
1008 0xBF4A, calc_q < 4 ? 4 : (calc_q > 124 ? 124 : calc_q),
1009 0xBF4B, 4,
1010 0xBF4C, 0,
1011 0xBF4D, 0,
1012 0xBF4E, 0,
1013 0xBF4F, 0,
1014 0xBF50, 0,
1015 0xBF51, 0,
1016 0, 0,
1017
1018 0x200e, 0x0000,
1019 0xBF40, sgop_expt_addr & 0x0000FFFF,
1020 0xBF41, sgop_expt_addr >> 16,
1021 0xBF42, 0,
1022 0xBF43, 0,
1023 0xBF44, 0,
1024 0xBF45, 0,
1025 0xBF46, (go->width >> 4) * (go->height >> 4),
1026 0xBF47, 0,
1027 0xBF64, 0,
1028 0xBF65, 0,
1029 0xBF18, framelen[4],
1030 0xBF19, framelen[5],
1031 0xBF1A, framelen[6],
1032 0xBF1B, framelen[7],
1033 0, 0,
1034
1035 0x2008, 0x0000,
1036 0xBF56, 4,
1037 0xBF57, 0,
1038 0xBF58, 5,
1039 0xBF59, 0,
1040 0xBF5A, 6,
1041 0xBF5B, 0,
1042 0xBF5C, 8,
1043 0xBF5D, 0,
1044 0, 0,
1045 0, 0,
1046 0, 0,
1047 0, 0,
1048 0, 0,
1049 0, 0,
1050 0, 0,
1051
1052 0x200e, 0x0000,
1053 0xBF10, 0,
1054 0xBF11, 0,
1055 0xBF12, 0,
1056 0xBF13, 0,
1057 0xBF14, 0,
1058 0xBF15, 0,
1059 0xBF16, 0,
1060 0xBF17, 0,
1061 0xBF7E, 0,
1062 0xBF7F, 1,
1063 0xBF52, framelen[0],
1064 0xBF53, framelen[1],
1065 0xBF54, framelen[2],
1066 0xBF55, framelen[3],
1067 0, 0,
1068 };
1069
1070 return copy_packages(code, pack, 6, space);
1071 }
1072
1073 static int config_package(struct go7007 *go, __le16 *code, int space)
1074 {
1075 int fps = go->sensor_framerate / go->fps_scale / 1000;
1076 int rows = go->interlace_coding ? go->height / 32 : go->height / 16;
1077 int brc_window_size = fps;
1078 int q_min = 2, q_max = 31;
1079 int THACCoeffSet0 = 0;
1080 u16 pack[] = {
1081 0x200e, 0x0000,
1082 0xc002, 0x14b4,
1083 0xc003, 0x28b4,
1084 0xc004, 0x3c5a,
1085 0xdc05, 0x2a77,
1086 0xc6c3, go->format == GO7007_FORMAT_MPEG4 ? 0 :
1087 (go->format == GO7007_FORMAT_H263 ? 0 : 1),
1088 0xc680, go->format == GO7007_FORMAT_MPEG4 ? 0xf1 :
1089 (go->format == GO7007_FORMAT_H263 ? 0x61 :
1090 0xd3),
1091 0xc780, 0x0140,
1092 0xe009, 0x0001,
1093 0xc60f, 0x0008,
1094 0xd4ff, 0x0002,
1095 0xe403, 2340,
1096 0xe406, 75,
1097 0xd411, 0x0001,
1098 0xd410, 0xa1d6,
1099 0x0001, 0x2801,
1100
1101 0x200d, 0x0000,
1102 0xe402, 0x018b,
1103 0xe401, 0x8b01,
1104 0xd472, (go->board_info->sensor_flags &
1105 GO7007_SENSOR_TV) &&
1106 (!go->interlace_coding) ?
1107 0x01b0 : 0x0170,
1108 0xd475, (go->board_info->sensor_flags &
1109 GO7007_SENSOR_TV) &&
1110 (!go->interlace_coding) ?
1111 0x0008 : 0x0009,
1112 0xc404, go->interlace_coding ? 0x44 :
1113 (go->format == GO7007_FORMAT_MPEG4 ? 0x11 :
1114 (go->format == GO7007_FORMAT_MPEG1 ? 0x02 :
1115 (go->format == GO7007_FORMAT_MPEG2 ? 0x04 :
1116 (go->format == GO7007_FORMAT_H263 ? 0x08 :
1117 0x20)))),
1118 0xbf0a, (go->format == GO7007_FORMAT_MPEG4 ? 8 :
1119 (go->format == GO7007_FORMAT_MPEG1 ? 1 :
1120 (go->format == GO7007_FORMAT_MPEG2 ? 2 :
1121 (go->format == GO7007_FORMAT_H263 ? 4 : 16)))) |
1122 ((go->repeat_seqhead ? 1 : 0) << 6) |
1123 ((go->dvd_mode ? 1 : 0) << 9) |
1124 ((go->gop_header_enable ? 1 : 0) << 10),
1125 0xbf0b, 0,
1126 0xdd5a, go->ipb ? 0x14 : 0x0a,
1127 0xbf0c, 0,
1128 0xbf0d, 0,
1129 0xc683, THACCoeffSet0,
1130 0xc40a, (go->width << 4) | rows,
1131 0xe01a, go->board_info->hpi_buffer_cap,
1132 0, 0,
1133 0, 0,
1134
1135 0x2008, 0,
1136 0xe402, 0x88,
1137 0xe401, 0x8f01,
1138 0xbf6a, 0,
1139 0xbf6b, 0,
1140 0xbf6c, 0,
1141 0xbf6d, 0,
1142 0xbf6e, 0,
1143 0xbf6f, 0,
1144 0, 0,
1145 0, 0,
1146 0, 0,
1147 0, 0,
1148 0, 0,
1149 0, 0,
1150 0, 0,
1151
1152 0x200e, 0,
1153 0xbf66, brc_window_size,
1154 0xbf67, 0,
1155 0xbf68, q_min,
1156 0xbf69, q_max,
1157 0xbfe0, 0,
1158 0xbfe1, 0,
1159 0xbfe2, 0,
1160 0xbfe3, go->ipb ? 3 : 1,
1161 0xc031, go->board_info->sensor_flags &
1162 GO7007_SENSOR_VBI ? 1 : 0,
1163 0xc01c, 0x1f,
1164 0xdd8c, 0x15,
1165 0xdd94, 0x15,
1166 0xdd88, go->ipb ? 0x1401 : 0x0a01,
1167 0xdd90, go->ipb ? 0x1401 : 0x0a01,
1168 0, 0,
1169
1170 0x200e, 0,
1171 0xbfe4, 0,
1172 0xbfe5, 0,
1173 0xbfe6, 0,
1174 0xbfe7, fps << 8,
1175 0xbfe8, 0x3a00,
1176 0xbfe9, 0,
1177 0xbfea, 0,
1178 0xbfeb, 0,
1179 0xbfec, (go->interlace_coding ? 1 << 15 : 0) |
1180 (go->modet_enable ? 0xa : 0) |
1181 (go->board_info->sensor_flags &
1182 GO7007_SENSOR_VBI ? 1 : 0),
1183 0xbfed, 0,
1184 0xbfee, 0,
1185 0xbfef, 0,
1186 0xbff0, go->board_info->sensor_flags &
1187 GO7007_SENSOR_TV ? 0xf060 : 0xb060,
1188 0xbff1, 0,
1189 0, 0,
1190 };
1191
1192 return copy_packages(code, pack, 5, space);
1193 }
1194
1195 static int seqhead_to_package(struct go7007 *go, __le16 *code, int space,
1196 int (*sequence_header_func)(struct go7007 *go,
1197 unsigned char *buf, int ext))
1198 {
1199 int vop_time_increment_bitlength = vti_bitlen(go);
1200 int fps = go->sensor_framerate / go->fps_scale *
1201 (go->interlace_coding ? 2 : 1);
1202 unsigned char buf[40] = { };
1203 int len = sequence_header_func(go, buf, 1);
1204 u16 pack[] = {
1205 0x2006, 0,
1206 0xbf08, fps,
1207 0xbf09, 0,
1208 0xbff2, vop_time_increment_bitlength,
1209 0xbff3, (1 << vop_time_increment_bitlength) - 1,
1210 0xbfe6, 0,
1211 0xbfe7, (fps / 1000) << 8,
1212 0, 0,
1213 0, 0,
1214 0, 0,
1215 0, 0,
1216 0, 0,
1217 0, 0,
1218 0, 0,
1219 0, 0,
1220 0, 0,
1221
1222 0x2007, 0,
1223 0xc800, buf[2] << 8 | buf[3],
1224 0xc801, buf[4] << 8 | buf[5],
1225 0xc802, buf[6] << 8 | buf[7],
1226 0xc803, buf[8] << 8 | buf[9],
1227 0xc406, 64,
1228 0xc407, len - 64,
1229 0xc61b, 1,
1230 0, 0,
1231 0, 0,
1232 0, 0,
1233 0, 0,
1234 0, 0,
1235 0, 0,
1236 0, 0,
1237 0, 0,
1238
1239 0x200e, 0,
1240 0xc808, buf[10] << 8 | buf[11],
1241 0xc809, buf[12] << 8 | buf[13],
1242 0xc80a, buf[14] << 8 | buf[15],
1243 0xc80b, buf[16] << 8 | buf[17],
1244 0xc80c, buf[18] << 8 | buf[19],
1245 0xc80d, buf[20] << 8 | buf[21],
1246 0xc80e, buf[22] << 8 | buf[23],
1247 0xc80f, buf[24] << 8 | buf[25],
1248 0xc810, buf[26] << 8 | buf[27],
1249 0xc811, buf[28] << 8 | buf[29],
1250 0xc812, buf[30] << 8 | buf[31],
1251 0xc813, buf[32] << 8 | buf[33],
1252 0xc814, buf[34] << 8 | buf[35],
1253 0xc815, buf[36] << 8 | buf[37],
1254 0, 0,
1255 0, 0,
1256 0, 0,
1257 };
1258
1259 return copy_packages(code, pack, 3, space);
1260 }
1261
1262 static int relative_prime(int big, int little)
1263 {
1264 int remainder;
1265
1266 while (little != 0) {
1267 remainder = big % little;
1268 big = little;
1269 little = remainder;
1270 }
1271 return big;
1272 }
1273
1274 static int avsync_to_package(struct go7007 *go, __le16 *code, int space)
1275 {
1276 int arate = go->board_info->audio_rate * 1001 * go->fps_scale;
1277 int ratio = arate / go->sensor_framerate;
1278 int adjratio = ratio * 215 / 100;
1279 int rprime = relative_prime(go->sensor_framerate,
1280 arate % go->sensor_framerate);
1281 int f1 = (arate % go->sensor_framerate) / rprime;
1282 int f2 = (go->sensor_framerate - arate % go->sensor_framerate) / rprime;
1283 u16 pack[] = {
1284 0x200e, 0,
1285 0xbf98, (u16)((-adjratio) & 0xffff),
1286 0xbf99, (u16)((-adjratio) >> 16),
1287 0xbf92, 0,
1288 0xbf93, 0,
1289 0xbff4, f1 > f2 ? f1 : f2,
1290 0xbff5, f1 < f2 ? f1 : f2,
1291 0xbff6, f1 < f2 ? ratio : ratio + 1,
1292 0xbff7, f1 > f2 ? ratio : ratio + 1,
1293 0xbff8, 0,
1294 0xbff9, 0,
1295 0xbffa, adjratio & 0xffff,
1296 0xbffb, adjratio >> 16,
1297 0xbf94, 0,
1298 0xbf95, 0,
1299 0, 0,
1300 };
1301
1302 return copy_packages(code, pack, 1, space);
1303 }
1304
1305 static int final_package(struct go7007 *go, __le16 *code, int space)
1306 {
1307 int rows = go->interlace_coding ? go->height / 32 : go->height / 16;
1308 u16 pack[] = {
1309 0x8000,
1310 0,
1311 0,
1312 0,
1313 0,
1314 0,
1315 0,
1316 2,
1317 ((go->board_info->sensor_flags & GO7007_SENSOR_TV) &&
1318 (!go->interlace_coding) ?
1319 (1 << 14) | (1 << 9) : 0) |
1320 ((go->encoder_subsample ? 1 : 0) << 8) |
1321 (go->board_info->sensor_flags &
1322 GO7007_SENSOR_CONFIG_MASK),
1323 ((go->encoder_v_halve ? 1 : 0) << 14) |
1324 (go->encoder_v_halve ? rows << 9 : rows << 8) |
1325 (go->encoder_h_halve ? 1 << 6 : 0) |
1326 (go->encoder_h_halve ? go->width >> 3 : go->width >> 4),
1327 (1 << 15) | (go->encoder_v_offset << 6) |
1328 (1 << 7) | (go->encoder_h_offset >> 2),
1329 (1 << 6),
1330 0,
1331 0,
1332 ((go->fps_scale - 1) << 8) |
1333 (go->board_info->sensor_flags & GO7007_SENSOR_TV ?
1334 (1 << 7) : 0) |
1335 0x41,
1336 go->ipb ? 0xd4c : 0x36b,
1337 (rows << 8) | (go->width >> 4),
1338 go->format == GO7007_FORMAT_MPEG4 ? 0x0404 : 0,
1339 (1 << 15) | ((go->interlace_coding ? 1 : 0) << 13) |
1340 ((go->closed_gop ? 1 : 0) << 12) |
1341 ((go->format == GO7007_FORMAT_MPEG4 ? 1 : 0) << 11) |
1342 /* (1 << 9) | */
1343 ((go->ipb ? 3 : 0) << 7) |
1344 ((go->modet_enable ? 1 : 0) << 2) |
1345 ((go->dvd_mode ? 1 : 0) << 1) | 1,
1346 (go->format == GO7007_FORMAT_MPEG1 ? 0x89a0 :
1347 (go->format == GO7007_FORMAT_MPEG2 ? 0x89a0 :
1348 (go->format == GO7007_FORMAT_MJPEG ? 0x89a0 :
1349 (go->format == GO7007_FORMAT_MPEG4 ? 0x8920 :
1350 (go->format == GO7007_FORMAT_H263 ? 0x8920 : 0))))),
1351 go->ipb ? 0x1f15 : 0x1f0b,
1352 go->ipb ? 0x0015 : 0x000b,
1353 go->ipb ? 0xa800 : 0x5800,
1354 0xffff,
1355 0x0020 + 0x034b * 0,
1356 0x0020 + 0x034b * 1,
1357 0x0020 + 0x034b * 2,
1358 0x0020 + 0x034b * 3,
1359 0x0020 + 0x034b * 4,
1360 0x0020 + 0x034b * 5,
1361 go->ipb ? (go->gop_size / 3) : go->gop_size,
1362 (go->height >> 4) * (go->width >> 4) * 110 / 100,
1363 };
1364
1365 return copy_packages(code, pack, 1, space);
1366 }
1367
1368 static int audio_to_package(struct go7007 *go, __le16 *code, int space)
1369 {
1370 int clock_config = ((go->board_info->audio_flags &
1371 GO7007_AUDIO_I2S_MASTER ? 1 : 0) << 11) |
1372 ((go->board_info->audio_flags &
1373 GO7007_AUDIO_OKI_MODE ? 1 : 0) << 8) |
1374 (((go->board_info->audio_bclk_div / 4) - 1) << 4) |
1375 (go->board_info->audio_main_div - 1);
1376 u16 pack[] = {
1377 0x200d, 0,
1378 0x9002, 0,
1379 0x9002, 0,
1380 0x9031, 0,
1381 0x9032, 0,
1382 0x9033, 0,
1383 0x9034, 0,
1384 0x9035, 0,
1385 0x9036, 0,
1386 0x9037, 0,
1387 0x9040, 0,
1388 0x9000, clock_config,
1389 0x9001, (go->board_info->audio_flags & 0xffff) |
1390 (1 << 9),
1391 0x9000, ((go->board_info->audio_flags &
1392 GO7007_AUDIO_I2S_MASTER ?
1393 1 : 0) << 10) |
1394 clock_config,
1395 0, 0,
1396 0, 0,
1397 0x2005, 0,
1398 0x9041, 0,
1399 0x9042, 256,
1400 0x9043, 0,
1401 0x9044, 16,
1402 0x9045, 16,
1403 0, 0,
1404 0, 0,
1405 0, 0,
1406 0, 0,
1407 0, 0,
1408 0, 0,
1409 0, 0,
1410 0, 0,
1411 0, 0,
1412 0, 0,
1413 };
1414
1415 return copy_packages(code, pack, 2, space);
1416 }
1417
1418 static int modet_to_package(struct go7007 *go, __le16 *code, int space)
1419 {
1420 int ret, mb, i, addr, cnt = 0;
1421 u16 pack[32];
1422 u16 thresholds[] = {
1423 0x200e, 0,
1424 0xbf82, go->modet[0].pixel_threshold,
1425 0xbf83, go->modet[1].pixel_threshold,
1426 0xbf84, go->modet[2].pixel_threshold,
1427 0xbf85, go->modet[3].pixel_threshold,
1428 0xbf86, go->modet[0].motion_threshold,
1429 0xbf87, go->modet[1].motion_threshold,
1430 0xbf88, go->modet[2].motion_threshold,
1431 0xbf89, go->modet[3].motion_threshold,
1432 0xbf8a, go->modet[0].mb_threshold,
1433 0xbf8b, go->modet[1].mb_threshold,
1434 0xbf8c, go->modet[2].mb_threshold,
1435 0xbf8d, go->modet[3].mb_threshold,
1436 0xbf8e, 0,
1437 0xbf8f, 0,
1438 0, 0,
1439 };
1440
1441 ret = copy_packages(code, thresholds, 1, space);
1442 if (ret < 0)
1443 return -1;
1444 cnt += ret;
1445
1446 addr = 0xbac0;
1447 memset(pack, 0, 64);
1448 i = 0;
1449 for (mb = 0; mb < 1624; ++mb) {
1450 pack[i * 2 + 3] <<= 2;
1451 pack[i * 2 + 3] |= go->modet_map[mb];
1452 if (mb % 8 != 7)
1453 continue;
1454 pack[i * 2 + 2] = addr++;
1455 ++i;
1456 if (i == 10 || mb == 1623) {
1457 pack[0] = 0x2000 | i;
1458 ret = copy_packages(code + cnt, pack, 1, space - cnt);
1459 if (ret < 0)
1460 return -1;
1461 cnt += ret;
1462 i = 0;
1463 memset(pack, 0, 64);
1464 }
1465 pack[i * 2 + 3] = 0;
1466 }
1467
1468 memset(pack, 0, 64);
1469 i = 0;
1470 for (addr = 0xbb90; addr < 0xbbfa; ++addr) {
1471 pack[i * 2 + 2] = addr;
1472 pack[i * 2 + 3] = 0;
1473 ++i;
1474 if (i == 10 || addr == 0xbbf9) {
1475 pack[0] = 0x2000 | i;
1476 ret = copy_packages(code + cnt, pack, 1, space - cnt);
1477 if (ret < 0)
1478 return -1;
1479 cnt += ret;
1480 i = 0;
1481 memset(pack, 0, 64);
1482 }
1483 }
1484 return cnt;
1485 }
1486
1487 static int do_special(struct go7007 *go, u16 type, __le16 *code, int space,
1488 int *framelen)
1489 {
1490 switch (type) {
1491 case SPECIAL_FRM_HEAD:
1492 switch (go->format) {
1493 case GO7007_FORMAT_MJPEG:
1494 return gen_mjpeghdr_to_package(go, code, space);
1495 case GO7007_FORMAT_MPEG1:
1496 case GO7007_FORMAT_MPEG2:
1497 return gen_mpeg1hdr_to_package(go, code, space,
1498 framelen);
1499 case GO7007_FORMAT_MPEG4:
1500 return gen_mpeg4hdr_to_package(go, code, space,
1501 framelen);
1502 }
1503 case SPECIAL_BRC_CTRL:
1504 return brctrl_to_package(go, code, space, framelen);
1505 case SPECIAL_CONFIG:
1506 return config_package(go, code, space);
1507 case SPECIAL_SEQHEAD:
1508 switch (go->format) {
1509 case GO7007_FORMAT_MPEG1:
1510 case GO7007_FORMAT_MPEG2:
1511 return seqhead_to_package(go, code, space,
1512 mpeg1_sequence_header);
1513 case GO7007_FORMAT_MPEG4:
1514 return seqhead_to_package(go, code, space,
1515 mpeg4_sequence_header);
1516 default:
1517 return 0;
1518 }
1519 case SPECIAL_AV_SYNC:
1520 return avsync_to_package(go, code, space);
1521 case SPECIAL_FINAL:
1522 return final_package(go, code, space);
1523 case SPECIAL_AUDIO:
1524 return audio_to_package(go, code, space);
1525 case SPECIAL_MODET:
1526 return modet_to_package(go, code, space);
1527 }
1528 printk(KERN_ERR
1529 "go7007: firmware file contains unsupported feature %04x\n",
1530 type);
1531 return -1;
1532 }
1533
1534 int go7007_construct_fw_image(struct go7007 *go, u8 **fw, int *fwlen)
1535 {
1536 const struct firmware *fw_entry;
1537 __le16 *code, *src;
1538 int framelen[8] = { }; /* holds the lengths of empty frame templates */
1539 int codespace = 64 * 1024, i = 0, srclen, chunk_len, chunk_flags;
1540 int mode_flag;
1541 int ret;
1542
1543 switch (go->format) {
1544 case GO7007_FORMAT_MJPEG:
1545 mode_flag = FLAG_MODE_MJPEG;
1546 break;
1547 case GO7007_FORMAT_MPEG1:
1548 mode_flag = FLAG_MODE_MPEG1;
1549 break;
1550 case GO7007_FORMAT_MPEG2:
1551 mode_flag = FLAG_MODE_MPEG2;
1552 break;
1553 case GO7007_FORMAT_MPEG4:
1554 mode_flag = FLAG_MODE_MPEG4;
1555 break;
1556 default:
1557 return -1;
1558 }
1559 if (request_firmware(&fw_entry, go->board_info->firmware, go->dev)) {
1560 printk(KERN_ERR
1561 "go7007: unable to load firmware from file \"%s\"\n",
1562 go->board_info->firmware);
1563 return -1;
1564 }
1565 code = kzalloc(codespace * 2, GFP_KERNEL);
1566 if (code == NULL) {
1567 printk(KERN_ERR "go7007: unable to allocate %d bytes for "
1568 "firmware construction\n", codespace * 2);
1569 goto fw_failed;
1570 }
1571 src = (__le16 *)fw_entry->data;
1572 srclen = fw_entry->size / 2;
1573 while (srclen >= 2) {
1574 chunk_flags = __le16_to_cpu(src[0]);
1575 chunk_len = __le16_to_cpu(src[1]);
1576 if (chunk_len + 2 > srclen) {
1577 printk(KERN_ERR "go7007: firmware file \"%s\" "
1578 "appears to be corrupted\n",
1579 go->board_info->firmware);
1580 goto fw_failed;
1581 }
1582 if (chunk_flags & mode_flag) {
1583 if (chunk_flags & FLAG_SPECIAL) {
1584 ret = do_special(go, __le16_to_cpu(src[2]),
1585 &code[i], codespace - i, framelen);
1586 if (ret < 0) {
1587 printk(KERN_ERR "go7007: insufficient "
1588 "memory for firmware "
1589 "construction\n");
1590 goto fw_failed;
1591 }
1592 i += ret;
1593 } else {
1594 if (codespace - i < chunk_len) {
1595 printk(KERN_ERR "go7007: insufficient "
1596 "memory for firmware "
1597 "construction\n");
1598 goto fw_failed;
1599 }
1600 memcpy(&code[i], &src[2], chunk_len * 2);
1601 i += chunk_len;
1602 }
1603 }
1604 srclen -= chunk_len + 2;
1605 src += chunk_len + 2;
1606 }
1607 release_firmware(fw_entry);
1608 *fw = (u8 *)code;
1609 *fwlen = i * 2;
1610 return 0;
1611
1612 fw_failed:
1613 kfree(code);
1614 release_firmware(fw_entry);
1615 return -1;
1616 }
Tomato firmware and modifications.