1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * Copyright (C) 2005-2006 Micronas USA Inc. |
4 | */ |
5 | |
6 | /* |
7 | * This file contains code to generate a firmware image for the GO7007SB |
8 | * encoder. Much of the firmware is read verbatim from a file, but some of |
9 | * it concerning bitrate control and other things that can be configured at |
10 | * run-time are generated dynamically. Note that the format headers |
11 | * generated here do not affect the functioning of the encoder; they are |
12 | * merely parroted back to the host at the start of each frame. |
13 | */ |
14 | |
15 | #include <linux/module.h> |
16 | #include <linux/time.h> |
17 | #include <linux/mm.h> |
18 | #include <linux/device.h> |
19 | #include <linux/i2c.h> |
20 | #include <linux/firmware.h> |
21 | #include <linux/slab.h> |
22 | #include <asm/byteorder.h> |
23 | |
24 | #include "go7007-priv.h" |
25 | |
26 | #define GO7007_FW_NAME "go7007/go7007tv.bin" |
27 | |
28 | /* Constants used in the source firmware image to describe code segments */ |
29 | |
30 | #define FLAG_MODE_MJPEG (1) |
31 | #define FLAG_MODE_MPEG1 (1<<1) |
32 | #define FLAG_MODE_MPEG2 (1<<2) |
33 | #define FLAG_MODE_MPEG4 (1<<3) |
34 | #define FLAG_MODE_H263 (1<<4) |
35 | #define FLAG_MODE_ALL (FLAG_MODE_MJPEG | FLAG_MODE_MPEG1 | \ |
36 | FLAG_MODE_MPEG2 | FLAG_MODE_MPEG4 | \ |
37 | FLAG_MODE_H263) |
38 | #define FLAG_SPECIAL (1<<8) |
39 | |
40 | #define SPECIAL_FRM_HEAD 0 |
41 | #define SPECIAL_BRC_CTRL 1 |
42 | #define SPECIAL_CONFIG 2 |
43 | #define SPECIAL_SEQHEAD 3 |
44 | #define SPECIAL_AV_SYNC 4 |
45 | #define SPECIAL_FINAL 5 |
46 | #define SPECIAL_AUDIO 6 |
47 | #define SPECIAL_MODET 7 |
48 | |
49 | /* Little data class for creating MPEG headers bit-by-bit */ |
50 | |
51 | struct code_gen { |
52 | unsigned char *p; /* destination */ |
53 | u32 a; /* collects bits at the top of the variable */ |
54 | int b; /* bit position of most recently-written bit */ |
55 | int len; /* written out so far */ |
56 | }; |
57 | |
58 | #define CODE_GEN(name, dest) struct code_gen name = { dest, 0, 32, 0 } |
59 | |
60 | #define CODE_ADD(name, val, length) do { \ |
61 | name.b -= (length); \ |
62 | name.a |= (val) << name.b; \ |
63 | while (name.b <= 24) { \ |
64 | *name.p = name.a >> 24; \ |
65 | ++name.p; \ |
66 | name.a <<= 8; \ |
67 | name.b += 8; \ |
68 | name.len += 8; \ |
69 | } \ |
70 | } while (0) |
71 | |
72 | #define CODE_LENGTH(name) (name.len + (32 - name.b)) |
73 | |
74 | /* Tables for creating the bitrate control data */ |
75 | |
76 | static const s16 converge_speed_ip[101] = { |
77 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
78 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
79 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
80 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, |
81 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, |
82 | 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, |
83 | 5, 5, 5, 6, 6, 6, 7, 7, 8, 8, |
84 | 9, 10, 10, 11, 12, 13, 14, 15, 16, 17, |
85 | 19, 20, 22, 23, 25, 27, 30, 32, 35, 38, |
86 | 41, 45, 49, 53, 58, 63, 69, 76, 83, 91, |
87 | 100 |
88 | }; |
89 | |
90 | static const s16 converge_speed_ipb[101] = { |
91 | 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, |
92 | 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, |
93 | 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, |
94 | 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, |
95 | 6, 6, 6, 7, 7, 7, 7, 8, 8, 9, |
96 | 9, 9, 10, 10, 11, 12, 12, 13, 14, 14, |
97 | 15, 16, 17, 18, 19, 20, 22, 23, 25, 26, |
98 | 28, 30, 32, 34, 37, 40, 42, 46, 49, 53, |
99 | 57, 61, 66, 71, 77, 83, 90, 97, 106, 115, |
100 | 125, 135, 147, 161, 175, 191, 209, 228, 249, 273, |
101 | 300 |
102 | }; |
103 | |
104 | static const s16 LAMBDA_table[4][101] = { |
105 | { 16, 16, 16, 16, 17, 17, 17, 18, 18, 18, |
106 | 19, 19, 19, 20, 20, 20, 21, 21, 22, 22, |
107 | 22, 23, 23, 24, 24, 25, 25, 25, 26, 26, |
108 | 27, 27, 28, 28, 29, 29, 30, 31, 31, 32, |
109 | 32, 33, 33, 34, 35, 35, 36, 37, 37, 38, |
110 | 39, 39, 40, 41, 42, 42, 43, 44, 45, 46, |
111 | 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, |
112 | 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, |
113 | 67, 68, 69, 70, 72, 73, 74, 76, 77, 78, |
114 | 80, 81, 83, 84, 86, 87, 89, 90, 92, 94, |
115 | 96 |
116 | }, |
117 | { |
118 | 20, 20, 20, 21, 21, 21, 22, 22, 23, 23, |
119 | 23, 24, 24, 25, 25, 26, 26, 27, 27, 28, |
120 | 28, 29, 29, 30, 30, 31, 31, 32, 33, 33, |
121 | 34, 34, 35, 36, 36, 37, 38, 38, 39, 40, |
122 | 40, 41, 42, 43, 43, 44, 45, 46, 47, 48, |
123 | 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, |
124 | 58, 59, 60, 61, 62, 64, 65, 66, 67, 68, |
125 | 70, 71, 72, 73, 75, 76, 78, 79, 80, 82, |
126 | 83, 85, 86, 88, 90, 91, 93, 95, 96, 98, |
127 | 100, 102, 103, 105, 107, 109, 111, 113, 115, 117, |
128 | 120 |
129 | }, |
130 | { |
131 | 24, 24, 24, 25, 25, 26, 26, 27, 27, 28, |
132 | 28, 29, 29, 30, 30, 31, 31, 32, 33, 33, |
133 | 34, 34, 35, 36, 36, 37, 38, 38, 39, 40, |
134 | 41, 41, 42, 43, 44, 44, 45, 46, 47, 48, |
135 | 49, 50, 50, 51, 52, 53, 54, 55, 56, 57, |
136 | 58, 59, 60, 62, 63, 64, 65, 66, 67, 69, |
137 | 70, 71, 72, 74, 75, 76, 78, 79, 81, 82, |
138 | 84, 85, 87, 88, 90, 92, 93, 95, 97, 98, |
139 | 100, 102, 104, 106, 108, 110, 112, 114, 116, 118, |
140 | 120, 122, 124, 127, 129, 131, 134, 136, 138, 141, |
141 | 144 |
142 | }, |
143 | { |
144 | 32, 32, 33, 33, 34, 34, 35, 36, 36, 37, |
145 | 38, 38, 39, 40, 41, 41, 42, 43, 44, 44, |
146 | 45, 46, 47, 48, 49, 50, 50, 51, 52, 53, |
147 | 54, 55, 56, 57, 58, 59, 60, 62, 63, 64, |
148 | 65, 66, 67, 69, 70, 71, 72, 74, 75, 76, |
149 | 78, 79, 81, 82, 84, 85, 87, 88, 90, 92, |
150 | 93, 95, 97, 98, 100, 102, 104, 106, 108, 110, |
151 | 112, 114, 116, 118, 120, 122, 124, 127, 129, 131, |
152 | 134, 136, 139, 141, 144, 146, 149, 152, 154, 157, |
153 | 160, 163, 166, 169, 172, 175, 178, 181, 185, 188, |
154 | 192 |
155 | } |
156 | }; |
157 | |
158 | /* MPEG blank frame generation tables */ |
159 | |
160 | enum mpeg_frame_type { |
161 | PFRAME, |
162 | BFRAME_PRE, |
163 | BFRAME_POST, |
164 | BFRAME_BIDIR, |
165 | BFRAME_EMPTY |
166 | }; |
167 | |
168 | static const u32 addrinctab[33][2] = { |
169 | { 0x01, 1 }, { 0x03, 3 }, { 0x02, 3 }, { 0x03, 4 }, |
170 | { 0x02, 4 }, { 0x03, 5 }, { 0x02, 5 }, { 0x07, 7 }, |
171 | { 0x06, 7 }, { 0x0b, 8 }, { 0x0a, 8 }, { 0x09, 8 }, |
172 | { 0x08, 8 }, { 0x07, 8 }, { 0x06, 8 }, { 0x17, 10 }, |
173 | { 0x16, 10 }, { 0x15, 10 }, { 0x14, 10 }, { 0x13, 10 }, |
174 | { 0x12, 10 }, { 0x23, 11 }, { 0x22, 11 }, { 0x21, 11 }, |
175 | { 0x20, 11 }, { 0x1f, 11 }, { 0x1e, 11 }, { 0x1d, 11 }, |
176 | { 0x1c, 11 }, { 0x1b, 11 }, { 0x1a, 11 }, { 0x19, 11 }, |
177 | { 0x18, 11 } |
178 | }; |
179 | |
180 | /* Standard JPEG tables */ |
181 | |
182 | static const u8 default_intra_quant_table[] = { |
183 | 8, 16, 19, 22, 26, 27, 29, 34, |
184 | 16, 16, 22, 24, 27, 29, 34, 37, |
185 | 19, 22, 26, 27, 29, 34, 34, 38, |
186 | 22, 22, 26, 27, 29, 34, 37, 40, |
187 | 22, 26, 27, 29, 32, 35, 40, 48, |
188 | 26, 27, 29, 32, 35, 40, 48, 58, |
189 | 26, 27, 29, 34, 38, 46, 56, 69, |
190 | 27, 29, 35, 38, 46, 56, 69, 83 |
191 | }; |
192 | |
193 | static const u8 bits_dc_luminance[] = { |
194 | 0, 0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0 |
195 | }; |
196 | |
197 | static const u8 val_dc_luminance[] = { |
198 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 |
199 | }; |
200 | |
201 | static const u8 bits_dc_chrominance[] = { |
202 | 0, 0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 |
203 | }; |
204 | |
205 | static const u8 val_dc_chrominance[] = { |
206 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 |
207 | }; |
208 | |
209 | static const u8 bits_ac_luminance[] = { |
210 | 0, 0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7d |
211 | }; |
212 | |
213 | static const u8 val_ac_luminance[] = { |
214 | 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, |
215 | 0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07, |
216 | 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08, |
217 | 0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0, |
218 | 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16, |
219 | 0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28, |
220 | 0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, |
221 | 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, |
222 | 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, |
223 | 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, |
224 | 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, |
225 | 0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, |
226 | 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, |
227 | 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, |
228 | 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, |
229 | 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, |
230 | 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4, |
231 | 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2, |
232 | 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, |
233 | 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, |
234 | 0xf9, 0xfa |
235 | }; |
236 | |
237 | static const u8 bits_ac_chrominance[] = { |
238 | 0, 0, 2, 1, 2, 4, 4, 3, 4, 7, 5, 4, 4, 0, 1, 2, 0x77 |
239 | }; |
240 | |
241 | static const u8 val_ac_chrominance[] = { |
242 | 0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21, |
243 | 0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71, |
244 | 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91, |
245 | 0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0, |
246 | 0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34, |
247 | 0xe1, 0x25, 0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26, |
248 | 0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38, |
249 | 0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, |
250 | 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, |
251 | 0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, |
252 | 0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, |
253 | 0x79, 0x7a, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, |
254 | 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, |
255 | 0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, |
256 | 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, |
257 | 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, |
258 | 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, |
259 | 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, |
260 | 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, |
261 | 0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, |
262 | 0xf9, 0xfa |
263 | }; |
264 | |
265 | /* Zig-zag mapping for quant table |
266 | * |
267 | * OK, let's do this mapping on the actual table above so it doesn't have |
268 | * to be done on the fly. |
269 | */ |
270 | static const int zz[64] = { |
271 | 0, 1, 8, 16, 9, 2, 3, 10, 17, 24, 32, 25, 18, 11, 4, 5, |
272 | 12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13, 6, 7, 14, 21, 28, |
273 | 35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51, |
274 | 58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63 |
275 | }; |
276 | |
277 | static int copy_packages(__le16 *dest, u16 *src, int pkg_cnt, int space) |
278 | { |
279 | int i, cnt = pkg_cnt * 32; |
280 | |
281 | if (space < cnt) |
282 | return -1; |
283 | |
284 | for (i = 0; i < cnt; ++i) |
285 | dest[i] = cpu_to_le16p(p: src + i); |
286 | |
287 | return cnt; |
288 | } |
289 | |
290 | static int (struct go7007 *go, unsigned char *buf, int q) |
291 | { |
292 | int i, p = 0; |
293 | |
294 | buf[p++] = 0xff; |
295 | buf[p++] = 0xd8; |
296 | buf[p++] = 0xff; |
297 | buf[p++] = 0xdb; |
298 | buf[p++] = 0; |
299 | buf[p++] = 2 + 65; |
300 | buf[p++] = 0; |
301 | buf[p++] = default_intra_quant_table[0]; |
302 | for (i = 1; i < 64; ++i) |
303 | /* buf[p++] = (default_intra_quant_table[i] * q) >> 3; */ |
304 | buf[p++] = (default_intra_quant_table[zz[i]] * q) >> 3; |
305 | buf[p++] = 0xff; |
306 | buf[p++] = 0xc0; |
307 | buf[p++] = 0; |
308 | buf[p++] = 17; |
309 | buf[p++] = 8; |
310 | buf[p++] = go->height >> 8; |
311 | buf[p++] = go->height & 0xff; |
312 | buf[p++] = go->width >> 8; |
313 | buf[p++] = go->width & 0xff; |
314 | buf[p++] = 3; |
315 | buf[p++] = 1; |
316 | buf[p++] = 0x22; |
317 | buf[p++] = 0; |
318 | buf[p++] = 2; |
319 | buf[p++] = 0x11; |
320 | buf[p++] = 0; |
321 | buf[p++] = 3; |
322 | buf[p++] = 0x11; |
323 | buf[p++] = 0; |
324 | buf[p++] = 0xff; |
325 | buf[p++] = 0xc4; |
326 | buf[p++] = 418 >> 8; |
327 | buf[p++] = 418 & 0xff; |
328 | buf[p++] = 0x00; |
329 | memcpy(buf + p, bits_dc_luminance + 1, 16); |
330 | p += 16; |
331 | memcpy(buf + p, val_dc_luminance, sizeof(val_dc_luminance)); |
332 | p += sizeof(val_dc_luminance); |
333 | buf[p++] = 0x01; |
334 | memcpy(buf + p, bits_dc_chrominance + 1, 16); |
335 | p += 16; |
336 | memcpy(buf + p, val_dc_chrominance, sizeof(val_dc_chrominance)); |
337 | p += sizeof(val_dc_chrominance); |
338 | buf[p++] = 0x10; |
339 | memcpy(buf + p, bits_ac_luminance + 1, 16); |
340 | p += 16; |
341 | memcpy(buf + p, val_ac_luminance, sizeof(val_ac_luminance)); |
342 | p += sizeof(val_ac_luminance); |
343 | buf[p++] = 0x11; |
344 | memcpy(buf + p, bits_ac_chrominance + 1, 16); |
345 | p += 16; |
346 | memcpy(buf + p, val_ac_chrominance, sizeof(val_ac_chrominance)); |
347 | p += sizeof(val_ac_chrominance); |
348 | buf[p++] = 0xff; |
349 | buf[p++] = 0xda; |
350 | buf[p++] = 0; |
351 | buf[p++] = 12; |
352 | buf[p++] = 3; |
353 | buf[p++] = 1; |
354 | buf[p++] = 0x00; |
355 | buf[p++] = 2; |
356 | buf[p++] = 0x11; |
357 | buf[p++] = 3; |
358 | buf[p++] = 0x11; |
359 | buf[p++] = 0; |
360 | buf[p++] = 63; |
361 | buf[p++] = 0; |
362 | return p; |
363 | } |
364 | |
365 | static int gen_mjpeghdr_to_package(struct go7007 *go, __le16 *code, int space) |
366 | { |
367 | u8 *buf; |
368 | u16 mem = 0x3e00; |
369 | unsigned int addr = 0x19; |
370 | int size = 0, i, off = 0, chunk; |
371 | |
372 | buf = kzalloc(size: 4096, GFP_KERNEL); |
373 | if (buf == NULL) |
374 | return -ENOMEM; |
375 | |
376 | for (i = 1; i < 32; ++i) { |
377 | mjpeg_frame_header(go, buf: buf + size, q: i); |
378 | size += 80; |
379 | } |
380 | chunk = mjpeg_frame_header(go, buf: buf + size, q: 1); |
381 | memmove(buf + size, buf + size + 80, chunk - 80); |
382 | size += chunk - 80; |
383 | |
384 | for (i = 0; i < size; i += chunk * 2) { |
385 | if (space - off < 32) { |
386 | off = -1; |
387 | goto done; |
388 | } |
389 | |
390 | code[off + 1] = __cpu_to_le16(0x8000 | mem); |
391 | |
392 | chunk = 28; |
393 | if (mem + chunk > 0x4000) |
394 | chunk = 0x4000 - mem; |
395 | if (i + 2 * chunk > size) |
396 | chunk = (size - i) / 2; |
397 | |
398 | if (chunk < 28) { |
399 | code[off] = __cpu_to_le16(0x4000 | chunk); |
400 | code[off + 31] = __cpu_to_le16(addr++); |
401 | mem = 0x3e00; |
402 | } else { |
403 | code[off] = __cpu_to_le16(0x1000 | 28); |
404 | code[off + 31] = 0; |
405 | mem += 28; |
406 | } |
407 | |
408 | memcpy(&code[off + 2], buf + i, chunk * 2); |
409 | off += 32; |
410 | } |
411 | done: |
412 | kfree(objp: buf); |
413 | return off; |
414 | } |
415 | |
416 | static int (struct go7007 *go, unsigned char *buf, |
417 | int modulo, int pict_struct, enum mpeg_frame_type frame) |
418 | { |
419 | int i, j, mb_code, mb_len; |
420 | int rows = go->interlace_coding ? go->height / 32 : go->height / 16; |
421 | CODE_GEN(c, buf + 6); |
422 | |
423 | switch (frame) { |
424 | case PFRAME: |
425 | mb_code = 0x1; |
426 | mb_len = 3; |
427 | break; |
428 | case BFRAME_PRE: |
429 | mb_code = 0x2; |
430 | mb_len = 4; |
431 | break; |
432 | case BFRAME_POST: |
433 | mb_code = 0x2; |
434 | mb_len = 3; |
435 | break; |
436 | case BFRAME_BIDIR: |
437 | mb_code = 0x2; |
438 | mb_len = 2; |
439 | break; |
440 | default: /* keep the compiler happy */ |
441 | mb_code = mb_len = 0; |
442 | break; |
443 | } |
444 | |
445 | CODE_ADD(c, frame == PFRAME ? 0x2 : 0x3, 13); |
446 | CODE_ADD(c, 0xffff, 16); |
447 | CODE_ADD(c, go->format == V4L2_PIX_FMT_MPEG2 ? 0x7 : 0x4, 4); |
448 | if (frame != PFRAME) |
449 | CODE_ADD(c, go->format == V4L2_PIX_FMT_MPEG2 ? 0x7 : 0x4, 4); |
450 | else |
451 | CODE_ADD(c, 0, 4); /* Is this supposed to be here?? */ |
452 | CODE_ADD(c, 0, 3); /* What is this?? */ |
453 | /* Byte-align with zeros */ |
454 | j = 8 - (CODE_LENGTH(c) % 8); |
455 | if (j != 8) |
456 | CODE_ADD(c, 0, j); |
457 | |
458 | if (go->format == V4L2_PIX_FMT_MPEG2) { |
459 | CODE_ADD(c, 0x1, 24); |
460 | CODE_ADD(c, 0xb5, 8); |
461 | CODE_ADD(c, 0x844, 12); |
462 | CODE_ADD(c, frame == PFRAME ? 0xff : 0x44, 8); |
463 | if (go->interlace_coding) { |
464 | CODE_ADD(c, pict_struct, 4); |
465 | if (go->dvd_mode) |
466 | CODE_ADD(c, 0x000, 11); |
467 | else |
468 | CODE_ADD(c, 0x200, 11); |
469 | } else { |
470 | CODE_ADD(c, 0x3, 4); |
471 | CODE_ADD(c, 0x20c, 11); |
472 | } |
473 | /* Byte-align with zeros */ |
474 | j = 8 - (CODE_LENGTH(c) % 8); |
475 | if (j != 8) |
476 | CODE_ADD(c, 0, j); |
477 | } |
478 | |
479 | for (i = 0; i < rows; ++i) { |
480 | CODE_ADD(c, 1, 24); |
481 | CODE_ADD(c, i + 1, 8); |
482 | CODE_ADD(c, 0x2, 6); |
483 | CODE_ADD(c, 0x1, 1); |
484 | CODE_ADD(c, mb_code, mb_len); |
485 | if (go->interlace_coding) { |
486 | CODE_ADD(c, 0x1, 2); |
487 | CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1); |
488 | } |
489 | if (frame == BFRAME_BIDIR) { |
490 | CODE_ADD(c, 0x3, 2); |
491 | if (go->interlace_coding) |
492 | CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1); |
493 | } |
494 | CODE_ADD(c, 0x3, 2); |
495 | for (j = (go->width >> 4) - 2; j >= 33; j -= 33) |
496 | CODE_ADD(c, 0x8, 11); |
497 | CODE_ADD(c, addrinctab[j][0], addrinctab[j][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 | |
510 | /* Byte-align with zeros */ |
511 | j = 8 - (CODE_LENGTH(c) % 8); |
512 | if (j != 8) |
513 | CODE_ADD(c, 0, j); |
514 | } |
515 | |
516 | i = CODE_LENGTH(c) + 4 * 8; |
517 | buf[2] = 0x00; |
518 | buf[3] = 0x00; |
519 | buf[4] = 0x01; |
520 | buf[5] = 0x00; |
521 | return i; |
522 | } |
523 | |
524 | static int (struct go7007 *go, unsigned char *buf, int ext) |
525 | { |
526 | int i, aspect_ratio, picture_rate; |
527 | CODE_GEN(c, buf + 6); |
528 | |
529 | if (go->format == V4L2_PIX_FMT_MPEG1) { |
530 | switch (go->aspect_ratio) { |
531 | case GO7007_RATIO_4_3: |
532 | aspect_ratio = go->standard == GO7007_STD_NTSC ? 3 : 2; |
533 | break; |
534 | case GO7007_RATIO_16_9: |
535 | aspect_ratio = go->standard == GO7007_STD_NTSC ? 5 : 4; |
536 | break; |
537 | default: |
538 | aspect_ratio = 1; |
539 | break; |
540 | } |
541 | } else { |
542 | switch (go->aspect_ratio) { |
543 | case GO7007_RATIO_4_3: |
544 | aspect_ratio = 2; |
545 | break; |
546 | case GO7007_RATIO_16_9: |
547 | aspect_ratio = 3; |
548 | break; |
549 | default: |
550 | aspect_ratio = 1; |
551 | break; |
552 | } |
553 | } |
554 | switch (go->sensor_framerate) { |
555 | case 24000: |
556 | picture_rate = 1; |
557 | break; |
558 | case 24024: |
559 | picture_rate = 2; |
560 | break; |
561 | case 25025: |
562 | picture_rate = go->interlace_coding ? 6 : 3; |
563 | break; |
564 | case 30000: |
565 | picture_rate = go->interlace_coding ? 7 : 4; |
566 | break; |
567 | case 30030: |
568 | picture_rate = go->interlace_coding ? 8 : 5; |
569 | break; |
570 | default: |
571 | picture_rate = 5; /* 30 fps seems like a reasonable default */ |
572 | break; |
573 | } |
574 | |
575 | CODE_ADD(c, go->width, 12); |
576 | CODE_ADD(c, go->height, 12); |
577 | CODE_ADD(c, aspect_ratio, 4); |
578 | CODE_ADD(c, picture_rate, 4); |
579 | CODE_ADD(c, go->format == V4L2_PIX_FMT_MPEG2 ? 20000 : 0x3ffff, 18); |
580 | CODE_ADD(c, 1, 1); |
581 | CODE_ADD(c, go->format == V4L2_PIX_FMT_MPEG2 ? 112 : 20, 10); |
582 | CODE_ADD(c, 0, 3); |
583 | |
584 | /* Byte-align with zeros */ |
585 | i = 8 - (CODE_LENGTH(c) % 8); |
586 | if (i != 8) |
587 | CODE_ADD(c, 0, i); |
588 | |
589 | if (go->format == V4L2_PIX_FMT_MPEG2) { |
590 | CODE_ADD(c, 0x1, 24); |
591 | CODE_ADD(c, 0xb5, 8); |
592 | CODE_ADD(c, 0x148, 12); |
593 | if (go->interlace_coding) |
594 | CODE_ADD(c, 0x20001, 20); |
595 | else |
596 | CODE_ADD(c, 0xa0001, 20); |
597 | CODE_ADD(c, 0, 16); |
598 | |
599 | /* Byte-align with zeros */ |
600 | i = 8 - (CODE_LENGTH(c) % 8); |
601 | if (i != 8) |
602 | CODE_ADD(c, 0, i); |
603 | |
604 | if (ext) { |
605 | CODE_ADD(c, 0x1, 24); |
606 | CODE_ADD(c, 0xb52, 12); |
607 | CODE_ADD(c, go->standard == GO7007_STD_NTSC ? 2 : 1, 3); |
608 | CODE_ADD(c, 0x105, 9); |
609 | CODE_ADD(c, 0x505, 16); |
610 | CODE_ADD(c, go->width, 14); |
611 | CODE_ADD(c, 1, 1); |
612 | CODE_ADD(c, go->height, 14); |
613 | |
614 | /* Byte-align with zeros */ |
615 | i = 8 - (CODE_LENGTH(c) % 8); |
616 | if (i != 8) |
617 | CODE_ADD(c, 0, i); |
618 | } |
619 | } |
620 | |
621 | i = CODE_LENGTH(c) + 4 * 8; |
622 | buf[0] = i & 0xff; |
623 | buf[1] = i >> 8; |
624 | buf[2] = 0x00; |
625 | buf[3] = 0x00; |
626 | buf[4] = 0x01; |
627 | buf[5] = 0xb3; |
628 | return i; |
629 | } |
630 | |
631 | static int gen_mpeg1hdr_to_package(struct go7007 *go, |
632 | __le16 *code, int space, int *framelen) |
633 | { |
634 | u8 *buf; |
635 | u16 mem = 0x3e00; |
636 | unsigned int addr = 0x19; |
637 | int i, off = 0, chunk; |
638 | |
639 | buf = kzalloc(size: 5120, GFP_KERNEL); |
640 | if (buf == NULL) |
641 | return -ENOMEM; |
642 | |
643 | framelen[0] = mpeg1_frame_header(go, buf, modulo: 0, pict_struct: 1, frame: PFRAME); |
644 | if (go->interlace_coding) |
645 | framelen[0] += mpeg1_frame_header(go, buf: buf + framelen[0] / 8, |
646 | modulo: 0, pict_struct: 2, frame: PFRAME); |
647 | buf[0] = framelen[0] & 0xff; |
648 | buf[1] = framelen[0] >> 8; |
649 | i = 368; |
650 | framelen[1] = mpeg1_frame_header(go, buf: buf + i, modulo: 0, pict_struct: 1, frame: BFRAME_PRE); |
651 | if (go->interlace_coding) |
652 | framelen[1] += mpeg1_frame_header(go, buf: buf + i + framelen[1] / 8, |
653 | modulo: 0, pict_struct: 2, frame: BFRAME_PRE); |
654 | buf[i] = framelen[1] & 0xff; |
655 | buf[i + 1] = framelen[1] >> 8; |
656 | i += 1632; |
657 | framelen[2] = mpeg1_frame_header(go, buf: buf + i, modulo: 0, pict_struct: 1, frame: BFRAME_POST); |
658 | if (go->interlace_coding) |
659 | framelen[2] += mpeg1_frame_header(go, buf: buf + i + framelen[2] / 8, |
660 | modulo: 0, pict_struct: 2, frame: BFRAME_POST); |
661 | buf[i] = framelen[2] & 0xff; |
662 | buf[i + 1] = framelen[2] >> 8; |
663 | i += 1432; |
664 | framelen[3] = mpeg1_frame_header(go, buf: buf + i, modulo: 0, pict_struct: 1, frame: BFRAME_BIDIR); |
665 | if (go->interlace_coding) |
666 | framelen[3] += mpeg1_frame_header(go, buf: buf + i + framelen[3] / 8, |
667 | modulo: 0, pict_struct: 2, frame: BFRAME_BIDIR); |
668 | buf[i] = framelen[3] & 0xff; |
669 | buf[i + 1] = framelen[3] >> 8; |
670 | i += 1632 + 16; |
671 | mpeg1_sequence_header(go, buf: buf + i, ext: 0); |
672 | i += 40; |
673 | for (i = 0; i < 5120; i += chunk * 2) { |
674 | if (space - off < 32) { |
675 | off = -1; |
676 | goto done; |
677 | } |
678 | |
679 | code[off + 1] = __cpu_to_le16(0x8000 | mem); |
680 | |
681 | chunk = 28; |
682 | if (mem + chunk > 0x4000) |
683 | chunk = 0x4000 - mem; |
684 | if (i + 2 * chunk > 5120) |
685 | chunk = (5120 - i) / 2; |
686 | |
687 | if (chunk < 28) { |
688 | code[off] = __cpu_to_le16(0x4000 | chunk); |
689 | code[off + 31] = __cpu_to_le16(addr); |
690 | if (mem + chunk == 0x4000) { |
691 | mem = 0x3e00; |
692 | ++addr; |
693 | } |
694 | } else { |
695 | code[off] = __cpu_to_le16(0x1000 | 28); |
696 | code[off + 31] = 0; |
697 | mem += 28; |
698 | } |
699 | |
700 | memcpy(&code[off + 2], buf + i, chunk * 2); |
701 | off += 32; |
702 | } |
703 | done: |
704 | kfree(objp: buf); |
705 | return off; |
706 | } |
707 | |
708 | static int vti_bitlen(struct go7007 *go) |
709 | { |
710 | unsigned int i, max_time_incr = go->sensor_framerate / go->fps_scale; |
711 | |
712 | for (i = 31; (max_time_incr & ((1 << i) - 1)) == max_time_incr; --i) |
713 | ; |
714 | return i + 1; |
715 | } |
716 | |
717 | static int (struct go7007 *go, unsigned char *buf, |
718 | int modulo, enum mpeg_frame_type frame) |
719 | { |
720 | int i; |
721 | CODE_GEN(c, buf + 6); |
722 | int mb_count = (go->width >> 4) * (go->height >> 4); |
723 | |
724 | CODE_ADD(c, frame == PFRAME ? 0x1 : 0x2, 2); |
725 | if (modulo) |
726 | CODE_ADD(c, 0x1, 1); |
727 | CODE_ADD(c, 0x1, 2); |
728 | CODE_ADD(c, 0, vti_bitlen(go)); |
729 | CODE_ADD(c, 0x3, 2); |
730 | if (frame == PFRAME) |
731 | CODE_ADD(c, 0, 1); |
732 | CODE_ADD(c, 0xc, 11); |
733 | if (frame != PFRAME) |
734 | CODE_ADD(c, 0x4, 3); |
735 | if (frame != BFRAME_EMPTY) { |
736 | for (i = 0; i < mb_count; ++i) { |
737 | switch (frame) { |
738 | case PFRAME: |
739 | CODE_ADD(c, 0x1, 1); |
740 | break; |
741 | case BFRAME_PRE: |
742 | CODE_ADD(c, 0x47, 8); |
743 | break; |
744 | case BFRAME_POST: |
745 | CODE_ADD(c, 0x27, 7); |
746 | break; |
747 | case BFRAME_BIDIR: |
748 | CODE_ADD(c, 0x5f, 8); |
749 | break; |
750 | case BFRAME_EMPTY: /* keep compiler quiet */ |
751 | break; |
752 | } |
753 | } |
754 | } |
755 | |
756 | /* Byte-align with a zero followed by ones */ |
757 | i = 8 - (CODE_LENGTH(c) % 8); |
758 | CODE_ADD(c, 0, 1); |
759 | CODE_ADD(c, (1 << (i - 1)) - 1, i - 1); |
760 | |
761 | i = CODE_LENGTH(c) + 4 * 8; |
762 | buf[0] = i & 0xff; |
763 | buf[1] = i >> 8; |
764 | buf[2] = 0x00; |
765 | buf[3] = 0x00; |
766 | buf[4] = 0x01; |
767 | buf[5] = 0xb6; |
768 | return i; |
769 | } |
770 | |
771 | static int (struct go7007 *go, unsigned char *buf, int ext) |
772 | { |
773 | const unsigned char head[] = { 0x00, 0x00, 0x01, 0xb0, go->pali, |
774 | 0x00, 0x00, 0x01, 0xb5, 0x09, |
775 | 0x00, 0x00, 0x01, 0x00, |
776 | 0x00, 0x00, 0x01, 0x20, }; |
777 | int i, aspect_ratio; |
778 | int fps = go->sensor_framerate / go->fps_scale; |
779 | CODE_GEN(c, buf + 2 + sizeof(head)); |
780 | |
781 | switch (go->aspect_ratio) { |
782 | case GO7007_RATIO_4_3: |
783 | aspect_ratio = go->standard == GO7007_STD_NTSC ? 3 : 2; |
784 | break; |
785 | case GO7007_RATIO_16_9: |
786 | aspect_ratio = go->standard == GO7007_STD_NTSC ? 5 : 4; |
787 | break; |
788 | default: |
789 | aspect_ratio = 1; |
790 | break; |
791 | } |
792 | |
793 | memcpy(buf + 2, head, sizeof(head)); |
794 | CODE_ADD(c, 0x191, 17); |
795 | CODE_ADD(c, aspect_ratio, 4); |
796 | CODE_ADD(c, 0x1, 4); |
797 | CODE_ADD(c, fps, 16); |
798 | CODE_ADD(c, 0x3, 2); |
799 | CODE_ADD(c, 1001, vti_bitlen(go)); |
800 | CODE_ADD(c, 1, 1); |
801 | CODE_ADD(c, go->width, 13); |
802 | CODE_ADD(c, 1, 1); |
803 | CODE_ADD(c, go->height, 13); |
804 | CODE_ADD(c, 0x2830, 14); |
805 | |
806 | /* Byte-align */ |
807 | i = 8 - (CODE_LENGTH(c) % 8); |
808 | CODE_ADD(c, 0, 1); |
809 | CODE_ADD(c, (1 << (i - 1)) - 1, i - 1); |
810 | |
811 | i = CODE_LENGTH(c) + sizeof(head) * 8; |
812 | buf[0] = i & 0xff; |
813 | buf[1] = i >> 8; |
814 | return i; |
815 | } |
816 | |
817 | static int gen_mpeg4hdr_to_package(struct go7007 *go, |
818 | __le16 *code, int space, int *framelen) |
819 | { |
820 | u8 *buf; |
821 | u16 mem = 0x3e00; |
822 | unsigned int addr = 0x19; |
823 | int i, off = 0, chunk; |
824 | |
825 | buf = kzalloc(size: 5120, GFP_KERNEL); |
826 | if (buf == NULL) |
827 | return -ENOMEM; |
828 | |
829 | framelen[0] = mpeg4_frame_header(go, buf, modulo: 0, frame: PFRAME); |
830 | i = 368; |
831 | framelen[1] = mpeg4_frame_header(go, buf: buf + i, modulo: 0, frame: BFRAME_PRE); |
832 | i += 1632; |
833 | framelen[2] = mpeg4_frame_header(go, buf: buf + i, modulo: 0, frame: BFRAME_POST); |
834 | i += 1432; |
835 | framelen[3] = mpeg4_frame_header(go, buf: buf + i, modulo: 0, frame: BFRAME_BIDIR); |
836 | i += 1632; |
837 | mpeg4_frame_header(go, buf: buf + i, modulo: 0, frame: BFRAME_EMPTY); |
838 | i += 16; |
839 | mpeg4_sequence_header(go, buf: buf + i, ext: 0); |
840 | i += 40; |
841 | for (i = 0; i < 5120; i += chunk * 2) { |
842 | if (space - off < 32) { |
843 | off = -1; |
844 | goto done; |
845 | } |
846 | |
847 | code[off + 1] = __cpu_to_le16(0x8000 | mem); |
848 | |
849 | chunk = 28; |
850 | if (mem + chunk > 0x4000) |
851 | chunk = 0x4000 - mem; |
852 | if (i + 2 * chunk > 5120) |
853 | chunk = (5120 - i) / 2; |
854 | |
855 | if (chunk < 28) { |
856 | code[off] = __cpu_to_le16(0x4000 | chunk); |
857 | code[off + 31] = __cpu_to_le16(addr); |
858 | if (mem + chunk == 0x4000) { |
859 | mem = 0x3e00; |
860 | ++addr; |
861 | } |
862 | } else { |
863 | code[off] = __cpu_to_le16(0x1000 | 28); |
864 | code[off + 31] = 0; |
865 | mem += 28; |
866 | } |
867 | |
868 | memcpy(&code[off + 2], buf + i, chunk * 2); |
869 | off += 32; |
870 | } |
871 | mem = 0x3e00; |
872 | addr = go->ipb ? 0x14f9 : 0x0af9; |
873 | memset(buf, 0, 5120); |
874 | framelen[4] = mpeg4_frame_header(go, buf, modulo: 1, frame: PFRAME); |
875 | i = 368; |
876 | framelen[5] = mpeg4_frame_header(go, buf: buf + i, modulo: 1, frame: BFRAME_PRE); |
877 | i += 1632; |
878 | framelen[6] = mpeg4_frame_header(go, buf: buf + i, modulo: 1, frame: BFRAME_POST); |
879 | i += 1432; |
880 | framelen[7] = mpeg4_frame_header(go, buf: buf + i, modulo: 1, frame: BFRAME_BIDIR); |
881 | i += 1632; |
882 | mpeg4_frame_header(go, buf: buf + i, modulo: 1, frame: BFRAME_EMPTY); |
883 | i += 16; |
884 | for (i = 0; i < 5120; i += chunk * 2) { |
885 | if (space - off < 32) { |
886 | off = -1; |
887 | goto done; |
888 | } |
889 | |
890 | code[off + 1] = __cpu_to_le16(0x8000 | mem); |
891 | |
892 | chunk = 28; |
893 | if (mem + chunk > 0x4000) |
894 | chunk = 0x4000 - mem; |
895 | if (i + 2 * chunk > 5120) |
896 | chunk = (5120 - i) / 2; |
897 | |
898 | if (chunk < 28) { |
899 | code[off] = __cpu_to_le16(0x4000 | chunk); |
900 | code[off + 31] = __cpu_to_le16(addr); |
901 | if (mem + chunk == 0x4000) { |
902 | mem = 0x3e00; |
903 | ++addr; |
904 | } |
905 | } else { |
906 | code[off] = __cpu_to_le16(0x1000 | 28); |
907 | code[off + 31] = 0; |
908 | mem += 28; |
909 | } |
910 | |
911 | memcpy(&code[off + 2], buf + i, chunk * 2); |
912 | off += 32; |
913 | } |
914 | done: |
915 | kfree(objp: buf); |
916 | return off; |
917 | } |
918 | |
919 | static int brctrl_to_package(struct go7007 *go, |
920 | __le16 *code, int space, int *framelen) |
921 | { |
922 | int converge_speed = 0; |
923 | int lambda = (go->format == V4L2_PIX_FMT_MJPEG || go->dvd_mode) ? |
924 | 100 : 0; |
925 | int peak_rate = 6 * go->bitrate / 5; |
926 | int vbv_buffer = go->format == V4L2_PIX_FMT_MJPEG ? |
927 | go->bitrate : |
928 | (go->dvd_mode ? 900000 : peak_rate); |
929 | int fps = go->sensor_framerate / go->fps_scale; |
930 | int q = 0; |
931 | /* Bizarre math below depends on rounding errors in division */ |
932 | u32 sgop_expt_addr = go->bitrate / 32 * (go->ipb ? 3 : 1) * 1001 / fps; |
933 | u32 sgop_peak_addr = peak_rate / 32 * 1001 / fps; |
934 | u32 total_expt_addr = go->bitrate / 32 * 1000 / fps * (fps / 1000); |
935 | u32 vbv_alert_addr = vbv_buffer * 3 / (4 * 32); |
936 | u32 cplx[] = { |
937 | q > 0 ? sgop_expt_addr * q : |
938 | 2 * go->width * go->height * (go->ipb ? 6 : 4) / 32, |
939 | q > 0 ? sgop_expt_addr * q : |
940 | 2 * go->width * go->height * (go->ipb ? 6 : 4) / 32, |
941 | q > 0 ? sgop_expt_addr * q : |
942 | 2 * go->width * go->height * (go->ipb ? 6 : 4) / 32, |
943 | q > 0 ? sgop_expt_addr * q : |
944 | 2 * go->width * go->height * (go->ipb ? 6 : 4) / 32, |
945 | }; |
946 | u32 calc_q = q > 0 ? q : cplx[0] / sgop_expt_addr; |
947 | u16 pack[] = { |
948 | 0x200e, 0x0000, |
949 | 0xBF20, go->ipb ? converge_speed_ipb[converge_speed] |
950 | : converge_speed_ip[converge_speed], |
951 | 0xBF21, go->ipb ? 2 : 0, |
952 | 0xBF22, go->ipb ? LAMBDA_table[0][lambda / 2 + 50] |
953 | : 32767, |
954 | 0xBF23, go->ipb ? LAMBDA_table[1][lambda] : 32767, |
955 | 0xBF24, 32767, |
956 | 0xBF25, lambda > 99 ? 32767 : LAMBDA_table[3][lambda], |
957 | 0xBF26, sgop_expt_addr & 0x0000FFFF, |
958 | 0xBF27, sgop_expt_addr >> 16, |
959 | 0xBF28, sgop_peak_addr & 0x0000FFFF, |
960 | 0xBF29, sgop_peak_addr >> 16, |
961 | 0xBF2A, vbv_alert_addr & 0x0000FFFF, |
962 | 0xBF2B, vbv_alert_addr >> 16, |
963 | 0xBF2C, 0, |
964 | 0xBF2D, 0, |
965 | 0, 0, |
966 | |
967 | 0x200e, 0x0000, |
968 | 0xBF2E, vbv_alert_addr & 0x0000FFFF, |
969 | 0xBF2F, vbv_alert_addr >> 16, |
970 | 0xBF30, cplx[0] & 0x0000FFFF, |
971 | 0xBF31, cplx[0] >> 16, |
972 | 0xBF32, cplx[1] & 0x0000FFFF, |
973 | 0xBF33, cplx[1] >> 16, |
974 | 0xBF34, cplx[2] & 0x0000FFFF, |
975 | 0xBF35, cplx[2] >> 16, |
976 | 0xBF36, cplx[3] & 0x0000FFFF, |
977 | 0xBF37, cplx[3] >> 16, |
978 | 0xBF38, 0, |
979 | 0xBF39, 0, |
980 | 0xBF3A, total_expt_addr & 0x0000FFFF, |
981 | 0xBF3B, total_expt_addr >> 16, |
982 | 0, 0, |
983 | |
984 | 0x200e, 0x0000, |
985 | 0xBF3C, total_expt_addr & 0x0000FFFF, |
986 | 0xBF3D, total_expt_addr >> 16, |
987 | 0xBF3E, 0, |
988 | 0xBF3F, 0, |
989 | 0xBF48, 0, |
990 | 0xBF49, 0, |
991 | 0xBF4A, calc_q < 4 ? 4 : (calc_q > 124 ? 124 : calc_q), |
992 | 0xBF4B, 4, |
993 | 0xBF4C, 0, |
994 | 0xBF4D, 0, |
995 | 0xBF4E, 0, |
996 | 0xBF4F, 0, |
997 | 0xBF50, 0, |
998 | 0xBF51, 0, |
999 | 0, 0, |
1000 | |
1001 | 0x200e, 0x0000, |
1002 | 0xBF40, sgop_expt_addr & 0x0000FFFF, |
1003 | 0xBF41, sgop_expt_addr >> 16, |
1004 | 0xBF42, 0, |
1005 | 0xBF43, 0, |
1006 | 0xBF44, 0, |
1007 | 0xBF45, 0, |
1008 | 0xBF46, (go->width >> 4) * (go->height >> 4), |
1009 | 0xBF47, 0, |
1010 | 0xBF64, 0, |
1011 | 0xBF65, 0, |
1012 | 0xBF18, framelen[4], |
1013 | 0xBF19, framelen[5], |
1014 | 0xBF1A, framelen[6], |
1015 | 0xBF1B, framelen[7], |
1016 | 0, 0, |
1017 | |
1018 | #if 0 |
1019 | /* Remove once we don't care about matching */ |
1020 | 0x200e, 0x0000, |
1021 | 0xBF56, 4, |
1022 | 0xBF57, 0, |
1023 | 0xBF58, 5, |
1024 | 0xBF59, 0, |
1025 | 0xBF5A, 6, |
1026 | 0xBF5B, 0, |
1027 | 0xBF5C, 8, |
1028 | 0xBF5D, 0, |
1029 | 0xBF5E, 1, |
1030 | 0xBF5F, 0, |
1031 | 0xBF60, 1, |
1032 | 0xBF61, 0, |
1033 | 0xBF62, 0, |
1034 | 0xBF63, 0, |
1035 | 0, 0, |
1036 | #else |
1037 | 0x2008, 0x0000, |
1038 | 0xBF56, 4, |
1039 | 0xBF57, 0, |
1040 | 0xBF58, 5, |
1041 | 0xBF59, 0, |
1042 | 0xBF5A, 6, |
1043 | 0xBF5B, 0, |
1044 | 0xBF5C, 8, |
1045 | 0xBF5D, 0, |
1046 | 0, 0, |
1047 | 0, 0, |
1048 | 0, 0, |
1049 | 0, 0, |
1050 | 0, 0, |
1051 | 0, 0, |
1052 | 0, 0, |
1053 | #endif |
1054 | |
1055 | 0x200e, 0x0000, |
1056 | 0xBF10, 0, |
1057 | 0xBF11, 0, |
1058 | 0xBF12, 0, |
1059 | 0xBF13, 0, |
1060 | 0xBF14, 0, |
1061 | 0xBF15, 0, |
1062 | 0xBF16, 0, |
1063 | 0xBF17, 0, |
1064 | 0xBF7E, 0, |
1065 | 0xBF7F, 1, |
1066 | 0xBF52, framelen[0], |
1067 | 0xBF53, framelen[1], |
1068 | 0xBF54, framelen[2], |
1069 | 0xBF55, framelen[3], |
1070 | 0, 0, |
1071 | }; |
1072 | |
1073 | return copy_packages(dest: code, src: pack, pkg_cnt: 6, space); |
1074 | } |
1075 | |
1076 | static int config_package(struct go7007 *go, __le16 *code, int space) |
1077 | { |
1078 | int fps = go->sensor_framerate / go->fps_scale / 1000; |
1079 | int rows = go->interlace_coding ? go->height / 32 : go->height / 16; |
1080 | int brc_window_size = fps; |
1081 | int q_min = 2, q_max = 31; |
1082 | int THACCoeffSet0 = 0; |
1083 | u16 pack[] = { |
1084 | 0x200e, 0x0000, |
1085 | 0xc002, 0x14b4, |
1086 | 0xc003, 0x28b4, |
1087 | 0xc004, 0x3c5a, |
1088 | 0xdc05, 0x2a77, |
1089 | 0xc6c3, go->format == V4L2_PIX_FMT_MPEG4 ? 0 : |
1090 | (go->format == V4L2_PIX_FMT_H263 ? 0 : 1), |
1091 | 0xc680, go->format == V4L2_PIX_FMT_MPEG4 ? 0xf1 : |
1092 | (go->format == V4L2_PIX_FMT_H263 ? 0x61 : |
1093 | 0xd3), |
1094 | 0xc780, 0x0140, |
1095 | 0xe009, 0x0001, |
1096 | 0xc60f, 0x0008, |
1097 | 0xd4ff, 0x0002, |
1098 | 0xe403, 2340, |
1099 | 0xe406, 75, |
1100 | 0xd411, 0x0001, |
1101 | 0xd410, 0xa1d6, |
1102 | 0x0001, 0x2801, |
1103 | |
1104 | 0x200d, 0x0000, |
1105 | 0xe402, 0x018b, |
1106 | 0xe401, 0x8b01, |
1107 | 0xd472, (go->board_info->sensor_flags & |
1108 | GO7007_SENSOR_TV) && |
1109 | (!go->interlace_coding) ? |
1110 | 0x01b0 : 0x0170, |
1111 | 0xd475, (go->board_info->sensor_flags & |
1112 | GO7007_SENSOR_TV) && |
1113 | (!go->interlace_coding) ? |
1114 | 0x0008 : 0x0009, |
1115 | 0xc404, go->interlace_coding ? 0x44 : |
1116 | (go->format == V4L2_PIX_FMT_MPEG4 ? 0x11 : |
1117 | (go->format == V4L2_PIX_FMT_MPEG1 ? 0x02 : |
1118 | (go->format == V4L2_PIX_FMT_MPEG2 ? 0x04 : |
1119 | (go->format == V4L2_PIX_FMT_H263 ? 0x08 : |
1120 | 0x20)))), |
1121 | 0xbf0a, (go->format == V4L2_PIX_FMT_MPEG4 ? 8 : |
1122 | (go->format == V4L2_PIX_FMT_MPEG1 ? 1 : |
1123 | (go->format == V4L2_PIX_FMT_MPEG2 ? 2 : |
1124 | (go->format == V4L2_PIX_FMT_H263 ? 4 : 16)))) | |
1125 | ((go->repeat_seqhead ? 1 : 0) << 6) | |
1126 | ((go->dvd_mode ? 1 : 0) << 9) | |
1127 | ((go->gop_header_enable ? 1 : 0) << 10), |
1128 | 0xbf0b, 0, |
1129 | 0xdd5a, go->ipb ? 0x14 : 0x0a, |
1130 | 0xbf0c, 0, |
1131 | 0xbf0d, 0, |
1132 | 0xc683, THACCoeffSet0, |
1133 | 0xc40a, (go->width << 4) | rows, |
1134 | 0xe01a, go->board_info->hpi_buffer_cap, |
1135 | 0, 0, |
1136 | 0, 0, |
1137 | |
1138 | 0x2008, 0, |
1139 | 0xe402, 0x88, |
1140 | 0xe401, 0x8f01, |
1141 | 0xbf6a, 0, |
1142 | 0xbf6b, 0, |
1143 | 0xbf6c, 0, |
1144 | 0xbf6d, 0, |
1145 | 0xbf6e, 0, |
1146 | 0xbf6f, 0, |
1147 | 0, 0, |
1148 | 0, 0, |
1149 | 0, 0, |
1150 | 0, 0, |
1151 | 0, 0, |
1152 | 0, 0, |
1153 | 0, 0, |
1154 | |
1155 | 0x200e, 0, |
1156 | 0xbf66, brc_window_size, |
1157 | 0xbf67, 0, |
1158 | 0xbf68, q_min, |
1159 | 0xbf69, q_max, |
1160 | 0xbfe0, 0, |
1161 | 0xbfe1, 0, |
1162 | 0xbfe2, 0, |
1163 | 0xbfe3, go->ipb ? 3 : 1, |
1164 | 0xc031, go->board_info->sensor_flags & |
1165 | GO7007_SENSOR_VBI ? 1 : 0, |
1166 | 0xc01c, 0x1f, |
1167 | 0xdd8c, 0x15, |
1168 | 0xdd94, 0x15, |
1169 | 0xdd88, go->ipb ? 0x1401 : 0x0a01, |
1170 | 0xdd90, go->ipb ? 0x1401 : 0x0a01, |
1171 | 0, 0, |
1172 | |
1173 | 0x200e, 0, |
1174 | 0xbfe4, 0, |
1175 | 0xbfe5, 0, |
1176 | 0xbfe6, 0, |
1177 | 0xbfe7, fps << 8, |
1178 | 0xbfe8, 0x3a00, |
1179 | 0xbfe9, 0, |
1180 | 0xbfea, 0, |
1181 | 0xbfeb, 0, |
1182 | 0xbfec, (go->interlace_coding ? 1 << 15 : 0) | |
1183 | (go->modet_enable ? 0xa : 0) | |
1184 | (go->board_info->sensor_flags & |
1185 | GO7007_SENSOR_VBI ? 1 : 0), |
1186 | 0xbfed, 0, |
1187 | 0xbfee, 0, |
1188 | 0xbfef, 0, |
1189 | 0xbff0, go->board_info->sensor_flags & |
1190 | GO7007_SENSOR_TV ? 0xf060 : 0xb060, |
1191 | 0xbff1, 0, |
1192 | 0, 0, |
1193 | }; |
1194 | |
1195 | return copy_packages(dest: code, src: pack, pkg_cnt: 5, space); |
1196 | } |
1197 | |
1198 | static int seqhead_to_package(struct go7007 *go, __le16 *code, int space, |
1199 | int (*)(struct go7007 *go, |
1200 | unsigned char *buf, int ext)) |
1201 | { |
1202 | int vop_time_increment_bitlength = vti_bitlen(go); |
1203 | int fps = go->sensor_framerate / go->fps_scale * |
1204 | (go->interlace_coding ? 2 : 1); |
1205 | unsigned char buf[40] = { }; |
1206 | int len = sequence_header_func(go, buf, 1); |
1207 | u16 pack[] = { |
1208 | 0x2006, 0, |
1209 | 0xbf08, fps, |
1210 | 0xbf09, 0, |
1211 | 0xbff2, vop_time_increment_bitlength, |
1212 | 0xbff3, (1 << vop_time_increment_bitlength) - 1, |
1213 | 0xbfe6, 0, |
1214 | 0xbfe7, (fps / 1000) << 8, |
1215 | 0, 0, |
1216 | 0, 0, |
1217 | 0, 0, |
1218 | 0, 0, |
1219 | 0, 0, |
1220 | 0, 0, |
1221 | 0, 0, |
1222 | 0, 0, |
1223 | 0, 0, |
1224 | |
1225 | 0x2007, 0, |
1226 | 0xc800, buf[2] << 8 | buf[3], |
1227 | 0xc801, buf[4] << 8 | buf[5], |
1228 | 0xc802, buf[6] << 8 | buf[7], |
1229 | 0xc803, buf[8] << 8 | buf[9], |
1230 | 0xc406, 64, |
1231 | 0xc407, len - 64, |
1232 | 0xc61b, 1, |
1233 | 0, 0, |
1234 | 0, 0, |
1235 | 0, 0, |
1236 | 0, 0, |
1237 | 0, 0, |
1238 | 0, 0, |
1239 | 0, 0, |
1240 | 0, 0, |
1241 | |
1242 | 0x200e, 0, |
1243 | 0xc808, buf[10] << 8 | buf[11], |
1244 | 0xc809, buf[12] << 8 | buf[13], |
1245 | 0xc80a, buf[14] << 8 | buf[15], |
1246 | 0xc80b, buf[16] << 8 | buf[17], |
1247 | 0xc80c, buf[18] << 8 | buf[19], |
1248 | 0xc80d, buf[20] << 8 | buf[21], |
1249 | 0xc80e, buf[22] << 8 | buf[23], |
1250 | 0xc80f, buf[24] << 8 | buf[25], |
1251 | 0xc810, buf[26] << 8 | buf[27], |
1252 | 0xc811, buf[28] << 8 | buf[29], |
1253 | 0xc812, buf[30] << 8 | buf[31], |
1254 | 0xc813, buf[32] << 8 | buf[33], |
1255 | 0xc814, buf[34] << 8 | buf[35], |
1256 | 0xc815, buf[36] << 8 | buf[37], |
1257 | 0, 0, |
1258 | 0, 0, |
1259 | 0, 0, |
1260 | }; |
1261 | |
1262 | return copy_packages(dest: code, src: pack, pkg_cnt: 3, space); |
1263 | } |
1264 | |
1265 | static int relative_prime(int big, int little) |
1266 | { |
1267 | int remainder; |
1268 | |
1269 | while (little != 0) { |
1270 | remainder = big % little; |
1271 | big = little; |
1272 | little = remainder; |
1273 | } |
1274 | return big; |
1275 | } |
1276 | |
1277 | static int avsync_to_package(struct go7007 *go, __le16 *code, int space) |
1278 | { |
1279 | int arate = go->board_info->audio_rate * 1001 * go->fps_scale; |
1280 | int ratio = arate / go->sensor_framerate; |
1281 | int adjratio = ratio * 215 / 100; |
1282 | int rprime = relative_prime(big: go->sensor_framerate, |
1283 | little: arate % go->sensor_framerate); |
1284 | int f1 = (arate % go->sensor_framerate) / rprime; |
1285 | int f2 = (go->sensor_framerate - arate % go->sensor_framerate) / rprime; |
1286 | u16 pack[] = { |
1287 | 0x200e, 0, |
1288 | 0xbf98, (u16)((-adjratio) & 0xffff), |
1289 | 0xbf99, (u16)((-adjratio) >> 16), |
1290 | 0xbf92, 0, |
1291 | 0xbf93, 0, |
1292 | 0xbff4, f1 > f2 ? f1 : f2, |
1293 | 0xbff5, f1 < f2 ? f1 : f2, |
1294 | 0xbff6, f1 < f2 ? ratio : ratio + 1, |
1295 | 0xbff7, f1 > f2 ? ratio : ratio + 1, |
1296 | 0xbff8, 0, |
1297 | 0xbff9, 0, |
1298 | 0xbffa, adjratio & 0xffff, |
1299 | 0xbffb, adjratio >> 16, |
1300 | 0xbf94, 0, |
1301 | 0xbf95, 0, |
1302 | 0, 0, |
1303 | }; |
1304 | |
1305 | return copy_packages(dest: code, src: pack, pkg_cnt: 1, space); |
1306 | } |
1307 | |
1308 | static int final_package(struct go7007 *go, __le16 *code, int space) |
1309 | { |
1310 | int rows = go->interlace_coding ? go->height / 32 : go->height / 16; |
1311 | u16 pack[] = { |
1312 | 0x8000, |
1313 | 0, |
1314 | 0, |
1315 | 0, |
1316 | 0, |
1317 | 0, |
1318 | 0, |
1319 | 2, |
1320 | ((go->board_info->sensor_flags & GO7007_SENSOR_TV) && |
1321 | (!go->interlace_coding) ? |
1322 | (1 << 14) | (1 << 9) : 0) | |
1323 | ((go->encoder_subsample ? 1 : 0) << 8) | |
1324 | (go->board_info->sensor_flags & |
1325 | GO7007_SENSOR_CONFIG_MASK), |
1326 | ((go->encoder_v_halve ? 1 : 0) << 14) | |
1327 | (go->encoder_v_halve ? rows << 9 : rows << 8) | |
1328 | (go->encoder_h_halve ? 1 << 6 : 0) | |
1329 | (go->encoder_h_halve ? go->width >> 3 : go->width >> 4), |
1330 | (1 << 15) | (go->encoder_v_offset << 6) | |
1331 | (1 << 7) | (go->encoder_h_offset >> 2), |
1332 | (1 << 6), |
1333 | 0, |
1334 | 0, |
1335 | ((go->fps_scale - 1) << 8) | |
1336 | (go->board_info->sensor_flags & GO7007_SENSOR_TV ? |
1337 | (1 << 7) : 0) | |
1338 | 0x41, |
1339 | go->ipb ? 0xd4c : 0x36b, |
1340 | (rows << 8) | (go->width >> 4), |
1341 | go->format == V4L2_PIX_FMT_MPEG4 ? 0x0404 : 0, |
1342 | (1 << 15) | ((go->interlace_coding ? 1 : 0) << 13) | |
1343 | ((go->closed_gop ? 1 : 0) << 12) | |
1344 | ((go->format == V4L2_PIX_FMT_MPEG4 ? 1 : 0) << 11) | |
1345 | /* (1 << 9) | */ |
1346 | ((go->ipb ? 3 : 0) << 7) | |
1347 | ((go->modet_enable ? 1 : 0) << 2) | |
1348 | ((go->dvd_mode ? 1 : 0) << 1) | 1, |
1349 | (go->format == V4L2_PIX_FMT_MPEG1 ? 0x89a0 : |
1350 | (go->format == V4L2_PIX_FMT_MPEG2 ? 0x89a0 : |
1351 | (go->format == V4L2_PIX_FMT_MJPEG ? 0x89a0 : |
1352 | (go->format == V4L2_PIX_FMT_MPEG4 ? 0x8920 : |
1353 | (go->format == V4L2_PIX_FMT_H263 ? 0x8920 : 0))))), |
1354 | go->ipb ? 0x1f15 : 0x1f0b, |
1355 | go->ipb ? 0x0015 : 0x000b, |
1356 | go->ipb ? 0xa800 : 0x5800, |
1357 | 0xffff, |
1358 | 0x0020 + 0x034b * 0, |
1359 | 0x0020 + 0x034b * 1, |
1360 | 0x0020 + 0x034b * 2, |
1361 | 0x0020 + 0x034b * 3, |
1362 | 0x0020 + 0x034b * 4, |
1363 | 0x0020 + 0x034b * 5, |
1364 | go->ipb ? (go->gop_size / 3) : go->gop_size, |
1365 | (go->height >> 4) * (go->width >> 4) * 110 / 100, |
1366 | }; |
1367 | |
1368 | return copy_packages(dest: code, src: pack, pkg_cnt: 1, space); |
1369 | } |
1370 | |
1371 | static int audio_to_package(struct go7007 *go, __le16 *code, int space) |
1372 | { |
1373 | int clock_config = ((go->board_info->audio_flags & |
1374 | GO7007_AUDIO_I2S_MASTER ? 1 : 0) << 11) | |
1375 | ((go->board_info->audio_flags & |
1376 | GO7007_AUDIO_OKI_MODE ? 1 : 0) << 8) | |
1377 | (((go->board_info->audio_bclk_div / 4) - 1) << 4) | |
1378 | (go->board_info->audio_main_div - 1); |
1379 | u16 pack[] = { |
1380 | 0x200d, 0, |
1381 | 0x9002, 0, |
1382 | 0x9002, 0, |
1383 | 0x9031, 0, |
1384 | 0x9032, 0, |
1385 | 0x9033, 0, |
1386 | 0x9034, 0, |
1387 | 0x9035, 0, |
1388 | 0x9036, 0, |
1389 | 0x9037, 0, |
1390 | 0x9040, 0, |
1391 | 0x9000, clock_config, |
1392 | 0x9001, (go->board_info->audio_flags & 0xffff) | |
1393 | (1 << 9), |
1394 | 0x9000, ((go->board_info->audio_flags & |
1395 | GO7007_AUDIO_I2S_MASTER ? |
1396 | 1 : 0) << 10) | |
1397 | clock_config, |
1398 | 0, 0, |
1399 | 0, 0, |
1400 | 0x2005, 0, |
1401 | 0x9041, 0, |
1402 | 0x9042, 256, |
1403 | 0x9043, 0, |
1404 | 0x9044, 16, |
1405 | 0x9045, 16, |
1406 | 0, 0, |
1407 | 0, 0, |
1408 | 0, 0, |
1409 | 0, 0, |
1410 | 0, 0, |
1411 | 0, 0, |
1412 | 0, 0, |
1413 | 0, 0, |
1414 | 0, 0, |
1415 | 0, 0, |
1416 | }; |
1417 | |
1418 | return copy_packages(dest: code, src: pack, pkg_cnt: 2, space); |
1419 | } |
1420 | |
1421 | static int modet_to_package(struct go7007 *go, __le16 *code, int space) |
1422 | { |
1423 | bool has_modet0 = go->modet[0].enable; |
1424 | bool has_modet1 = go->modet[1].enable; |
1425 | bool has_modet2 = go->modet[2].enable; |
1426 | bool has_modet3 = go->modet[3].enable; |
1427 | int ret, mb, i, addr, cnt = 0; |
1428 | u16 pack[32]; |
1429 | u16 thresholds[] = { |
1430 | 0x200e, 0, |
1431 | 0xbf82, has_modet0 ? go->modet[0].pixel_threshold : 32767, |
1432 | 0xbf83, has_modet1 ? go->modet[1].pixel_threshold : 32767, |
1433 | 0xbf84, has_modet2 ? go->modet[2].pixel_threshold : 32767, |
1434 | 0xbf85, has_modet3 ? go->modet[3].pixel_threshold : 32767, |
1435 | 0xbf86, has_modet0 ? go->modet[0].motion_threshold : 32767, |
1436 | 0xbf87, has_modet1 ? go->modet[1].motion_threshold : 32767, |
1437 | 0xbf88, has_modet2 ? go->modet[2].motion_threshold : 32767, |
1438 | 0xbf89, has_modet3 ? go->modet[3].motion_threshold : 32767, |
1439 | 0xbf8a, has_modet0 ? go->modet[0].mb_threshold : 32767, |
1440 | 0xbf8b, has_modet1 ? go->modet[1].mb_threshold : 32767, |
1441 | 0xbf8c, has_modet2 ? go->modet[2].mb_threshold : 32767, |
1442 | 0xbf8d, has_modet3 ? go->modet[3].mb_threshold : 32767, |
1443 | 0xbf8e, 0, |
1444 | 0xbf8f, 0, |
1445 | 0, 0, |
1446 | }; |
1447 | |
1448 | ret = copy_packages(dest: code, src: thresholds, pkg_cnt: 1, space); |
1449 | if (ret < 0) |
1450 | return -1; |
1451 | cnt += ret; |
1452 | |
1453 | addr = 0xbac0; |
1454 | memset(pack, 0, 64); |
1455 | i = 0; |
1456 | for (mb = 0; mb < 1624; ++mb) { |
1457 | pack[i * 2 + 3] <<= 2; |
1458 | pack[i * 2 + 3] |= go->modet_map[mb]; |
1459 | if (mb % 8 != 7) |
1460 | continue; |
1461 | pack[i * 2 + 2] = addr++; |
1462 | ++i; |
1463 | if (i == 10 || mb == 1623) { |
1464 | pack[0] = 0x2000 | i; |
1465 | ret = copy_packages(dest: code + cnt, src: pack, pkg_cnt: 1, space: space - cnt); |
1466 | if (ret < 0) |
1467 | return -1; |
1468 | cnt += ret; |
1469 | i = 0; |
1470 | memset(pack, 0, 64); |
1471 | } |
1472 | pack[i * 2 + 3] = 0; |
1473 | } |
1474 | |
1475 | memset(pack, 0, 64); |
1476 | i = 0; |
1477 | for (addr = 0xbb90; addr < 0xbbfa; ++addr) { |
1478 | pack[i * 2 + 2] = addr; |
1479 | pack[i * 2 + 3] = 0; |
1480 | ++i; |
1481 | if (i == 10 || addr == 0xbbf9) { |
1482 | pack[0] = 0x2000 | i; |
1483 | ret = copy_packages(dest: code + cnt, src: pack, pkg_cnt: 1, space: space - cnt); |
1484 | if (ret < 0) |
1485 | return -1; |
1486 | cnt += ret; |
1487 | i = 0; |
1488 | memset(pack, 0, 64); |
1489 | } |
1490 | } |
1491 | return cnt; |
1492 | } |
1493 | |
1494 | static noinline_for_stack int do_special(struct go7007 *go, u16 type, |
1495 | __le16 *code, int space, int *framelen) |
1496 | { |
1497 | switch (type) { |
1498 | case SPECIAL_FRM_HEAD: |
1499 | switch (go->format) { |
1500 | case V4L2_PIX_FMT_MJPEG: |
1501 | return gen_mjpeghdr_to_package(go, code, space); |
1502 | case V4L2_PIX_FMT_MPEG1: |
1503 | case V4L2_PIX_FMT_MPEG2: |
1504 | return gen_mpeg1hdr_to_package(go, code, space, |
1505 | framelen); |
1506 | case V4L2_PIX_FMT_MPEG4: |
1507 | return gen_mpeg4hdr_to_package(go, code, space, |
1508 | framelen); |
1509 | default: |
1510 | break; |
1511 | } |
1512 | break; |
1513 | case SPECIAL_BRC_CTRL: |
1514 | return brctrl_to_package(go, code, space, framelen); |
1515 | case SPECIAL_CONFIG: |
1516 | return config_package(go, code, space); |
1517 | case SPECIAL_SEQHEAD: |
1518 | switch (go->format) { |
1519 | case V4L2_PIX_FMT_MPEG1: |
1520 | case V4L2_PIX_FMT_MPEG2: |
1521 | return seqhead_to_package(go, code, space, |
1522 | sequence_header_func: mpeg1_sequence_header); |
1523 | case V4L2_PIX_FMT_MPEG4: |
1524 | return seqhead_to_package(go, code, space, |
1525 | sequence_header_func: mpeg4_sequence_header); |
1526 | default: |
1527 | return 0; |
1528 | } |
1529 | case SPECIAL_AV_SYNC: |
1530 | return avsync_to_package(go, code, space); |
1531 | case SPECIAL_FINAL: |
1532 | return final_package(go, code, space); |
1533 | case SPECIAL_AUDIO: |
1534 | return audio_to_package(go, code, space); |
1535 | case SPECIAL_MODET: |
1536 | return modet_to_package(go, code, space); |
1537 | } |
1538 | dev_err(go->dev, |
1539 | "firmware file contains unsupported feature %04x\n" , type); |
1540 | return -1; |
1541 | } |
1542 | |
1543 | int go7007_construct_fw_image(struct go7007 *go, u8 **fw, int *fwlen) |
1544 | { |
1545 | const struct firmware *fw_entry; |
1546 | __le16 *code, *src; |
1547 | int framelen[8] = { }; /* holds the lengths of empty frame templates */ |
1548 | int codespace = 64 * 1024, i = 0, srclen, chunk_len, chunk_flags; |
1549 | int mode_flag; |
1550 | int ret; |
1551 | |
1552 | switch (go->format) { |
1553 | case V4L2_PIX_FMT_MJPEG: |
1554 | mode_flag = FLAG_MODE_MJPEG; |
1555 | break; |
1556 | case V4L2_PIX_FMT_MPEG1: |
1557 | mode_flag = FLAG_MODE_MPEG1; |
1558 | break; |
1559 | case V4L2_PIX_FMT_MPEG2: |
1560 | mode_flag = FLAG_MODE_MPEG2; |
1561 | break; |
1562 | case V4L2_PIX_FMT_MPEG4: |
1563 | mode_flag = FLAG_MODE_MPEG4; |
1564 | break; |
1565 | default: |
1566 | return -1; |
1567 | } |
1568 | if (request_firmware(fw: &fw_entry, GO7007_FW_NAME, device: go->dev)) { |
1569 | dev_err(go->dev, |
1570 | "unable to load firmware from file \"%s\"\n" , |
1571 | GO7007_FW_NAME); |
1572 | return -1; |
1573 | } |
1574 | code = kcalloc(n: codespace, size: 2, GFP_KERNEL); |
1575 | if (code == NULL) |
1576 | goto fw_failed; |
1577 | |
1578 | src = (__le16 *)fw_entry->data; |
1579 | srclen = fw_entry->size / 2; |
1580 | while (srclen >= 2) { |
1581 | chunk_flags = __le16_to_cpu(src[0]); |
1582 | chunk_len = __le16_to_cpu(src[1]); |
1583 | if (chunk_len + 2 > srclen) { |
1584 | dev_err(go->dev, |
1585 | "firmware file \"%s\" appears to be corrupted\n" , |
1586 | GO7007_FW_NAME); |
1587 | goto fw_failed; |
1588 | } |
1589 | if (chunk_flags & mode_flag) { |
1590 | if (chunk_flags & FLAG_SPECIAL) { |
1591 | ret = do_special(go, __le16_to_cpu(src[2]), |
1592 | code: &code[i], space: codespace - i, framelen); |
1593 | if (ret < 0) { |
1594 | dev_err(go->dev, |
1595 | "insufficient memory for firmware construction\n" ); |
1596 | goto fw_failed; |
1597 | } |
1598 | i += ret; |
1599 | } else { |
1600 | if (codespace - i < chunk_len) { |
1601 | dev_err(go->dev, |
1602 | "insufficient memory for firmware construction\n" ); |
1603 | goto fw_failed; |
1604 | } |
1605 | memcpy(&code[i], &src[2], chunk_len * 2); |
1606 | i += chunk_len; |
1607 | } |
1608 | } |
1609 | srclen -= chunk_len + 2; |
1610 | src += chunk_len + 2; |
1611 | } |
1612 | release_firmware(fw: fw_entry); |
1613 | *fw = (u8 *)code; |
1614 | *fwlen = i * 2; |
1615 | return 0; |
1616 | |
1617 | fw_failed: |
1618 | kfree(objp: code); |
1619 | release_firmware(fw: fw_entry); |
1620 | return -1; |
1621 | } |
1622 | |
1623 | MODULE_FIRMWARE(GO7007_FW_NAME); |
1624 | |