1629 lines
40 KiB
C
1629 lines
40 KiB
C
/*
|
|
* Copyright (C) 2005-2006 Micronas USA Inc.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License (Version 2) as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
|
|
/*
|
|
* This file contains code to generate a firmware image for the GO7007SB
|
|
* encoder. Much of the firmware is read verbatim from a file, but some of
|
|
* it concerning bitrate control and other things that can be configured at
|
|
* run-time are generated dynamically. Note that the format headers
|
|
* generated here do not affect the functioning of the encoder; they are
|
|
* merely parroted back to the host at the start of each frame.
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/time.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/device.h>
|
|
#include <linux/i2c.h>
|
|
#include <linux/firmware.h>
|
|
#include <linux/slab.h>
|
|
#include <asm/byteorder.h>
|
|
|
|
#include "go7007-priv.h"
|
|
|
|
#define GO7007_FW_NAME "go7007/go7007tv.bin"
|
|
|
|
/* Constants used in the source firmware image to describe code segments */
|
|
|
|
#define FLAG_MODE_MJPEG (1)
|
|
#define FLAG_MODE_MPEG1 (1<<1)
|
|
#define FLAG_MODE_MPEG2 (1<<2)
|
|
#define FLAG_MODE_MPEG4 (1<<3)
|
|
#define FLAG_MODE_H263 (1<<4)
|
|
#define FLAG_MODE_ALL (FLAG_MODE_MJPEG | FLAG_MODE_MPEG1 | \
|
|
FLAG_MODE_MPEG2 | FLAG_MODE_MPEG4 | \
|
|
FLAG_MODE_H263)
|
|
#define FLAG_SPECIAL (1<<8)
|
|
|
|
#define SPECIAL_FRM_HEAD 0
|
|
#define SPECIAL_BRC_CTRL 1
|
|
#define SPECIAL_CONFIG 2
|
|
#define SPECIAL_SEQHEAD 3
|
|
#define SPECIAL_AV_SYNC 4
|
|
#define SPECIAL_FINAL 5
|
|
#define SPECIAL_AUDIO 6
|
|
#define SPECIAL_MODET 7
|
|
|
|
/* Little data class for creating MPEG headers bit-by-bit */
|
|
|
|
struct code_gen {
|
|
unsigned char *p; /* destination */
|
|
u32 a; /* collects bits at the top of the variable */
|
|
int b; /* bit position of most recently-written bit */
|
|
int len; /* written out so far */
|
|
};
|
|
|
|
#define CODE_GEN(name, dest) struct code_gen name = { dest, 0, 32, 0 }
|
|
|
|
#define CODE_ADD(name, val, length) do { \
|
|
name.b -= (length); \
|
|
name.a |= (val) << name.b; \
|
|
while (name.b <= 24) { \
|
|
*name.p = name.a >> 24; \
|
|
++name.p; \
|
|
name.a <<= 8; \
|
|
name.b += 8; \
|
|
name.len += 8; \
|
|
} \
|
|
} while (0)
|
|
|
|
#define CODE_LENGTH(name) (name.len + (32 - name.b))
|
|
|
|
/* Tables for creating the bitrate control data */
|
|
|
|
static const s16 converge_speed_ip[101] = {
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 2,
|
|
2, 2, 2, 2, 2, 2, 2, 2, 2, 3,
|
|
3, 3, 3, 3, 3, 4, 4, 4, 4, 4,
|
|
5, 5, 5, 6, 6, 6, 7, 7, 8, 8,
|
|
9, 10, 10, 11, 12, 13, 14, 15, 16, 17,
|
|
19, 20, 22, 23, 25, 27, 30, 32, 35, 38,
|
|
41, 45, 49, 53, 58, 63, 69, 76, 83, 91,
|
|
100
|
|
};
|
|
|
|
static const s16 converge_speed_ipb[101] = {
|
|
3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
|
|
3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
|
|
3, 3, 3, 3, 3, 4, 4, 4, 4, 4,
|
|
4, 4, 4, 4, 5, 5, 5, 5, 5, 6,
|
|
6, 6, 6, 7, 7, 7, 7, 8, 8, 9,
|
|
9, 9, 10, 10, 11, 12, 12, 13, 14, 14,
|
|
15, 16, 17, 18, 19, 20, 22, 23, 25, 26,
|
|
28, 30, 32, 34, 37, 40, 42, 46, 49, 53,
|
|
57, 61, 66, 71, 77, 83, 90, 97, 106, 115,
|
|
125, 135, 147, 161, 175, 191, 209, 228, 249, 273,
|
|
300
|
|
};
|
|
|
|
static const s16 LAMBDA_table[4][101] = {
|
|
{ 16, 16, 16, 16, 17, 17, 17, 18, 18, 18,
|
|
19, 19, 19, 20, 20, 20, 21, 21, 22, 22,
|
|
22, 23, 23, 24, 24, 25, 25, 25, 26, 26,
|
|
27, 27, 28, 28, 29, 29, 30, 31, 31, 32,
|
|
32, 33, 33, 34, 35, 35, 36, 37, 37, 38,
|
|
39, 39, 40, 41, 42, 42, 43, 44, 45, 46,
|
|
46, 47, 48, 49, 50, 51, 52, 53, 54, 55,
|
|
56, 57, 58, 59, 60, 61, 62, 63, 64, 65,
|
|
67, 68, 69, 70, 72, 73, 74, 76, 77, 78,
|
|
80, 81, 83, 84, 86, 87, 89, 90, 92, 94,
|
|
96
|
|
},
|
|
{
|
|
20, 20, 20, 21, 21, 21, 22, 22, 23, 23,
|
|
23, 24, 24, 25, 25, 26, 26, 27, 27, 28,
|
|
28, 29, 29, 30, 30, 31, 31, 32, 33, 33,
|
|
34, 34, 35, 36, 36, 37, 38, 38, 39, 40,
|
|
40, 41, 42, 43, 43, 44, 45, 46, 47, 48,
|
|
48, 49, 50, 51, 52, 53, 54, 55, 56, 57,
|
|
58, 59, 60, 61, 62, 64, 65, 66, 67, 68,
|
|
70, 71, 72, 73, 75, 76, 78, 79, 80, 82,
|
|
83, 85, 86, 88, 90, 91, 93, 95, 96, 98,
|
|
100, 102, 103, 105, 107, 109, 111, 113, 115, 117,
|
|
120
|
|
},
|
|
{
|
|
24, 24, 24, 25, 25, 26, 26, 27, 27, 28,
|
|
28, 29, 29, 30, 30, 31, 31, 32, 33, 33,
|
|
34, 34, 35, 36, 36, 37, 38, 38, 39, 40,
|
|
41, 41, 42, 43, 44, 44, 45, 46, 47, 48,
|
|
49, 50, 50, 51, 52, 53, 54, 55, 56, 57,
|
|
58, 59, 60, 62, 63, 64, 65, 66, 67, 69,
|
|
70, 71, 72, 74, 75, 76, 78, 79, 81, 82,
|
|
84, 85, 87, 88, 90, 92, 93, 95, 97, 98,
|
|
100, 102, 104, 106, 108, 110, 112, 114, 116, 118,
|
|
120, 122, 124, 127, 129, 131, 134, 136, 138, 141,
|
|
144
|
|
},
|
|
{
|
|
32, 32, 33, 33, 34, 34, 35, 36, 36, 37,
|
|
38, 38, 39, 40, 41, 41, 42, 43, 44, 44,
|
|
45, 46, 47, 48, 49, 50, 50, 51, 52, 53,
|
|
54, 55, 56, 57, 58, 59, 60, 62, 63, 64,
|
|
65, 66, 67, 69, 70, 71, 72, 74, 75, 76,
|
|
78, 79, 81, 82, 84, 85, 87, 88, 90, 92,
|
|
93, 95, 97, 98, 100, 102, 104, 106, 108, 110,
|
|
112, 114, 116, 118, 120, 122, 124, 127, 129, 131,
|
|
134, 136, 139, 141, 144, 146, 149, 152, 154, 157,
|
|
160, 163, 166, 169, 172, 175, 178, 181, 185, 188,
|
|
192
|
|
}
|
|
};
|
|
|
|
/* MPEG blank frame generation tables */
|
|
|
|
enum mpeg_frame_type {
|
|
PFRAME,
|
|
BFRAME_PRE,
|
|
BFRAME_POST,
|
|
BFRAME_BIDIR,
|
|
BFRAME_EMPTY
|
|
};
|
|
|
|
static const u32 addrinctab[33][2] = {
|
|
{ 0x01, 1 }, { 0x03, 3 }, { 0x02, 3 }, { 0x03, 4 },
|
|
{ 0x02, 4 }, { 0x03, 5 }, { 0x02, 5 }, { 0x07, 7 },
|
|
{ 0x06, 7 }, { 0x0b, 8 }, { 0x0a, 8 }, { 0x09, 8 },
|
|
{ 0x08, 8 }, { 0x07, 8 }, { 0x06, 8 }, { 0x17, 10 },
|
|
{ 0x16, 10 }, { 0x15, 10 }, { 0x14, 10 }, { 0x13, 10 },
|
|
{ 0x12, 10 }, { 0x23, 11 }, { 0x22, 11 }, { 0x21, 11 },
|
|
{ 0x20, 11 }, { 0x1f, 11 }, { 0x1e, 11 }, { 0x1d, 11 },
|
|
{ 0x1c, 11 }, { 0x1b, 11 }, { 0x1a, 11 }, { 0x19, 11 },
|
|
{ 0x18, 11 }
|
|
};
|
|
|
|
/* Standard JPEG tables */
|
|
|
|
static const u8 default_intra_quant_table[] = {
|
|
8, 16, 19, 22, 26, 27, 29, 34,
|
|
16, 16, 22, 24, 27, 29, 34, 37,
|
|
19, 22, 26, 27, 29, 34, 34, 38,
|
|
22, 22, 26, 27, 29, 34, 37, 40,
|
|
22, 26, 27, 29, 32, 35, 40, 48,
|
|
26, 27, 29, 32, 35, 40, 48, 58,
|
|
26, 27, 29, 34, 38, 46, 56, 69,
|
|
27, 29, 35, 38, 46, 56, 69, 83
|
|
};
|
|
|
|
static const u8 bits_dc_luminance[] = {
|
|
0, 0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0
|
|
};
|
|
|
|
static const u8 val_dc_luminance[] = {
|
|
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
|
|
};
|
|
|
|
static const u8 bits_dc_chrominance[] = {
|
|
0, 0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0
|
|
};
|
|
|
|
static const u8 val_dc_chrominance[] = {
|
|
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
|
|
};
|
|
|
|
static const u8 bits_ac_luminance[] = {
|
|
0, 0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7d
|
|
};
|
|
|
|
static const u8 val_ac_luminance[] = {
|
|
0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12,
|
|
0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07,
|
|
0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08,
|
|
0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0,
|
|
0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16,
|
|
0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28,
|
|
0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39,
|
|
0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49,
|
|
0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59,
|
|
0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69,
|
|
0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79,
|
|
0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
|
|
0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98,
|
|
0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
|
|
0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6,
|
|
0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5,
|
|
0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4,
|
|
0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2,
|
|
0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea,
|
|
0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
|
|
0xf9, 0xfa
|
|
};
|
|
|
|
static const u8 bits_ac_chrominance[] = {
|
|
0, 0, 2, 1, 2, 4, 4, 3, 4, 7, 5, 4, 4, 0, 1, 2, 0x77
|
|
};
|
|
|
|
static const u8 val_ac_chrominance[] = {
|
|
0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21,
|
|
0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71,
|
|
0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91,
|
|
0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0,
|
|
0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34,
|
|
0xe1, 0x25, 0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26,
|
|
0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38,
|
|
0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48,
|
|
0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
|
|
0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68,
|
|
0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
|
|
0x79, 0x7a, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
|
|
0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96,
|
|
0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5,
|
|
0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4,
|
|
0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3,
|
|
0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2,
|
|
0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda,
|
|
0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
|
|
0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
|
|
0xf9, 0xfa
|
|
};
|
|
|
|
/* Zig-zag mapping for quant table
|
|
*
|
|
* OK, let's do this mapping on the actual table above so it doesn't have
|
|
* to be done on the fly.
|
|
*/
|
|
static const int zz[64] = {
|
|
0, 1, 8, 16, 9, 2, 3, 10, 17, 24, 32, 25, 18, 11, 4, 5,
|
|
12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13, 6, 7, 14, 21, 28,
|
|
35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51,
|
|
58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63
|
|
};
|
|
|
|
static int copy_packages(__le16 *dest, u16 *src, int pkg_cnt, int space)
|
|
{
|
|
int i, cnt = pkg_cnt * 32;
|
|
|
|
if (space < cnt)
|
|
return -1;
|
|
|
|
for (i = 0; i < cnt; ++i)
|
|
dest[i] = cpu_to_le16p(src + i);
|
|
|
|
return cnt;
|
|
}
|
|
|
|
static int mjpeg_frame_header(struct go7007 *go, unsigned char *buf, int q)
|
|
{
|
|
int i, p = 0;
|
|
|
|
buf[p++] = 0xff;
|
|
buf[p++] = 0xd8;
|
|
buf[p++] = 0xff;
|
|
buf[p++] = 0xdb;
|
|
buf[p++] = 0;
|
|
buf[p++] = 2 + 65;
|
|
buf[p++] = 0;
|
|
buf[p++] = default_intra_quant_table[0];
|
|
for (i = 1; i < 64; ++i)
|
|
/* buf[p++] = (default_intra_quant_table[i] * q) >> 3; */
|
|
buf[p++] = (default_intra_quant_table[zz[i]] * q) >> 3;
|
|
buf[p++] = 0xff;
|
|
buf[p++] = 0xc0;
|
|
buf[p++] = 0;
|
|
buf[p++] = 17;
|
|
buf[p++] = 8;
|
|
buf[p++] = go->height >> 8;
|
|
buf[p++] = go->height & 0xff;
|
|
buf[p++] = go->width >> 8;
|
|
buf[p++] = go->width & 0xff;
|
|
buf[p++] = 3;
|
|
buf[p++] = 1;
|
|
buf[p++] = 0x22;
|
|
buf[p++] = 0;
|
|
buf[p++] = 2;
|
|
buf[p++] = 0x11;
|
|
buf[p++] = 0;
|
|
buf[p++] = 3;
|
|
buf[p++] = 0x11;
|
|
buf[p++] = 0;
|
|
buf[p++] = 0xff;
|
|
buf[p++] = 0xc4;
|
|
buf[p++] = 418 >> 8;
|
|
buf[p++] = 418 & 0xff;
|
|
buf[p++] = 0x00;
|
|
memcpy(buf + p, bits_dc_luminance + 1, 16);
|
|
p += 16;
|
|
memcpy(buf + p, val_dc_luminance, sizeof(val_dc_luminance));
|
|
p += sizeof(val_dc_luminance);
|
|
buf[p++] = 0x01;
|
|
memcpy(buf + p, bits_dc_chrominance + 1, 16);
|
|
p += 16;
|
|
memcpy(buf + p, val_dc_chrominance, sizeof(val_dc_chrominance));
|
|
p += sizeof(val_dc_chrominance);
|
|
buf[p++] = 0x10;
|
|
memcpy(buf + p, bits_ac_luminance + 1, 16);
|
|
p += 16;
|
|
memcpy(buf + p, val_ac_luminance, sizeof(val_ac_luminance));
|
|
p += sizeof(val_ac_luminance);
|
|
buf[p++] = 0x11;
|
|
memcpy(buf + p, bits_ac_chrominance + 1, 16);
|
|
p += 16;
|
|
memcpy(buf + p, val_ac_chrominance, sizeof(val_ac_chrominance));
|
|
p += sizeof(val_ac_chrominance);
|
|
buf[p++] = 0xff;
|
|
buf[p++] = 0xda;
|
|
buf[p++] = 0;
|
|
buf[p++] = 12;
|
|
buf[p++] = 3;
|
|
buf[p++] = 1;
|
|
buf[p++] = 0x00;
|
|
buf[p++] = 2;
|
|
buf[p++] = 0x11;
|
|
buf[p++] = 3;
|
|
buf[p++] = 0x11;
|
|
buf[p++] = 0;
|
|
buf[p++] = 63;
|
|
buf[p++] = 0;
|
|
return p;
|
|
}
|
|
|
|
static int gen_mjpeghdr_to_package(struct go7007 *go, __le16 *code, int space)
|
|
{
|
|
u8 *buf;
|
|
u16 mem = 0x3e00;
|
|
unsigned int addr = 0x19;
|
|
int size = 0, i, off = 0, chunk;
|
|
|
|
buf = kzalloc(4096, GFP_KERNEL);
|
|
if (buf == NULL)
|
|
return -ENOMEM;
|
|
|
|
for (i = 1; i < 32; ++i) {
|
|
mjpeg_frame_header(go, buf + size, i);
|
|
size += 80;
|
|
}
|
|
chunk = mjpeg_frame_header(go, buf + size, 1);
|
|
memmove(buf + size, buf + size + 80, chunk - 80);
|
|
size += chunk - 80;
|
|
|
|
for (i = 0; i < size; i += chunk * 2) {
|
|
if (space - off < 32) {
|
|
off = -1;
|
|
goto done;
|
|
}
|
|
|
|
code[off + 1] = __cpu_to_le16(0x8000 | mem);
|
|
|
|
chunk = 28;
|
|
if (mem + chunk > 0x4000)
|
|
chunk = 0x4000 - mem;
|
|
if (i + 2 * chunk > size)
|
|
chunk = (size - i) / 2;
|
|
|
|
if (chunk < 28) {
|
|
code[off] = __cpu_to_le16(0x4000 | chunk);
|
|
code[off + 31] = __cpu_to_le16(addr++);
|
|
mem = 0x3e00;
|
|
} else {
|
|
code[off] = __cpu_to_le16(0x1000 | 28);
|
|
code[off + 31] = 0;
|
|
mem += 28;
|
|
}
|
|
|
|
memcpy(&code[off + 2], buf + i, chunk * 2);
|
|
off += 32;
|
|
}
|
|
done:
|
|
kfree(buf);
|
|
return off;
|
|
}
|
|
|
|
static int mpeg1_frame_header(struct go7007 *go, unsigned char *buf,
|
|
int modulo, int pict_struct, enum mpeg_frame_type frame)
|
|
{
|
|
int i, j, mb_code, mb_len;
|
|
int rows = go->interlace_coding ? go->height / 32 : go->height / 16;
|
|
CODE_GEN(c, buf + 6);
|
|
|
|
switch (frame) {
|
|
case PFRAME:
|
|
mb_code = 0x1;
|
|
mb_len = 3;
|
|
break;
|
|
case BFRAME_PRE:
|
|
mb_code = 0x2;
|
|
mb_len = 4;
|
|
break;
|
|
case BFRAME_POST:
|
|
mb_code = 0x2;
|
|
mb_len = 3;
|
|
break;
|
|
case BFRAME_BIDIR:
|
|
mb_code = 0x2;
|
|
mb_len = 2;
|
|
break;
|
|
default: /* keep the compiler happy */
|
|
mb_code = mb_len = 0;
|
|
break;
|
|
}
|
|
|
|
CODE_ADD(c, frame == PFRAME ? 0x2 : 0x3, 13);
|
|
CODE_ADD(c, 0xffff, 16);
|
|
CODE_ADD(c, go->format == V4L2_PIX_FMT_MPEG2 ? 0x7 : 0x4, 4);
|
|
if (frame != PFRAME)
|
|
CODE_ADD(c, go->format == V4L2_PIX_FMT_MPEG2 ? 0x7 : 0x4, 4);
|
|
else
|
|
CODE_ADD(c, 0, 4); /* Is this supposed to be here?? */
|
|
CODE_ADD(c, 0, 3); /* What is this?? */
|
|
/* Byte-align with zeros */
|
|
j = 8 - (CODE_LENGTH(c) % 8);
|
|
if (j != 8)
|
|
CODE_ADD(c, 0, j);
|
|
|
|
if (go->format == V4L2_PIX_FMT_MPEG2) {
|
|
CODE_ADD(c, 0x1, 24);
|
|
CODE_ADD(c, 0xb5, 8);
|
|
CODE_ADD(c, 0x844, 12);
|
|
CODE_ADD(c, frame == PFRAME ? 0xff : 0x44, 8);
|
|
if (go->interlace_coding) {
|
|
CODE_ADD(c, pict_struct, 4);
|
|
if (go->dvd_mode)
|
|
CODE_ADD(c, 0x000, 11);
|
|
else
|
|
CODE_ADD(c, 0x200, 11);
|
|
} else {
|
|
CODE_ADD(c, 0x3, 4);
|
|
CODE_ADD(c, 0x20c, 11);
|
|
}
|
|
/* Byte-align with zeros */
|
|
j = 8 - (CODE_LENGTH(c) % 8);
|
|
if (j != 8)
|
|
CODE_ADD(c, 0, j);
|
|
}
|
|
|
|
for (i = 0; i < rows; ++i) {
|
|
CODE_ADD(c, 1, 24);
|
|
CODE_ADD(c, i + 1, 8);
|
|
CODE_ADD(c, 0x2, 6);
|
|
CODE_ADD(c, 0x1, 1);
|
|
CODE_ADD(c, mb_code, mb_len);
|
|
if (go->interlace_coding) {
|
|
CODE_ADD(c, 0x1, 2);
|
|
CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1);
|
|
}
|
|
if (frame == BFRAME_BIDIR) {
|
|
CODE_ADD(c, 0x3, 2);
|
|
if (go->interlace_coding)
|
|
CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1);
|
|
}
|
|
CODE_ADD(c, 0x3, 2);
|
|
for (j = (go->width >> 4) - 2; j >= 33; j -= 33)
|
|
CODE_ADD(c, 0x8, 11);
|
|
CODE_ADD(c, addrinctab[j][0], addrinctab[j][1]);
|
|
CODE_ADD(c, mb_code, mb_len);
|
|
if (go->interlace_coding) {
|
|
CODE_ADD(c, 0x1, 2);
|
|
CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1);
|
|
}
|
|
if (frame == BFRAME_BIDIR) {
|
|
CODE_ADD(c, 0x3, 2);
|
|
if (go->interlace_coding)
|
|
CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1);
|
|
}
|
|
CODE_ADD(c, 0x3, 2);
|
|
|
|
/* Byte-align with zeros */
|
|
j = 8 - (CODE_LENGTH(c) % 8);
|
|
if (j != 8)
|
|
CODE_ADD(c, 0, j);
|
|
}
|
|
|
|
i = CODE_LENGTH(c) + 4 * 8;
|
|
buf[2] = 0x00;
|
|
buf[3] = 0x00;
|
|
buf[4] = 0x01;
|
|
buf[5] = 0x00;
|
|
return i;
|
|
}
|
|
|
|
static int mpeg1_sequence_header(struct go7007 *go, unsigned char *buf, int ext)
|
|
{
|
|
int i, aspect_ratio, picture_rate;
|
|
CODE_GEN(c, buf + 6);
|
|
|
|
if (go->format == V4L2_PIX_FMT_MPEG1) {
|
|
switch (go->aspect_ratio) {
|
|
case GO7007_RATIO_4_3:
|
|
aspect_ratio = go->standard == GO7007_STD_NTSC ? 3 : 2;
|
|
break;
|
|
case GO7007_RATIO_16_9:
|
|
aspect_ratio = go->standard == GO7007_STD_NTSC ? 5 : 4;
|
|
break;
|
|
default:
|
|
aspect_ratio = 1;
|
|
break;
|
|
}
|
|
} else {
|
|
switch (go->aspect_ratio) {
|
|
case GO7007_RATIO_4_3:
|
|
aspect_ratio = 2;
|
|
break;
|
|
case GO7007_RATIO_16_9:
|
|
aspect_ratio = 3;
|
|
break;
|
|
default:
|
|
aspect_ratio = 1;
|
|
break;
|
|
}
|
|
}
|
|
switch (go->sensor_framerate) {
|
|
case 24000:
|
|
picture_rate = 1;
|
|
break;
|
|
case 24024:
|
|
picture_rate = 2;
|
|
break;
|
|
case 25025:
|
|
picture_rate = go->interlace_coding ? 6 : 3;
|
|
break;
|
|
case 30000:
|
|
picture_rate = go->interlace_coding ? 7 : 4;
|
|
break;
|
|
case 30030:
|
|
picture_rate = go->interlace_coding ? 8 : 5;
|
|
break;
|
|
default:
|
|
picture_rate = 5; /* 30 fps seems like a reasonable default */
|
|
break;
|
|
}
|
|
|
|
CODE_ADD(c, go->width, 12);
|
|
CODE_ADD(c, go->height, 12);
|
|
CODE_ADD(c, aspect_ratio, 4);
|
|
CODE_ADD(c, picture_rate, 4);
|
|
CODE_ADD(c, go->format == V4L2_PIX_FMT_MPEG2 ? 20000 : 0x3ffff, 18);
|
|
CODE_ADD(c, 1, 1);
|
|
CODE_ADD(c, go->format == V4L2_PIX_FMT_MPEG2 ? 112 : 20, 10);
|
|
CODE_ADD(c, 0, 3);
|
|
|
|
/* Byte-align with zeros */
|
|
i = 8 - (CODE_LENGTH(c) % 8);
|
|
if (i != 8)
|
|
CODE_ADD(c, 0, i);
|
|
|
|
if (go->format == V4L2_PIX_FMT_MPEG2) {
|
|
CODE_ADD(c, 0x1, 24);
|
|
CODE_ADD(c, 0xb5, 8);
|
|
CODE_ADD(c, 0x148, 12);
|
|
if (go->interlace_coding)
|
|
CODE_ADD(c, 0x20001, 20);
|
|
else
|
|
CODE_ADD(c, 0xa0001, 20);
|
|
CODE_ADD(c, 0, 16);
|
|
|
|
/* Byte-align with zeros */
|
|
i = 8 - (CODE_LENGTH(c) % 8);
|
|
if (i != 8)
|
|
CODE_ADD(c, 0, i);
|
|
|
|
if (ext) {
|
|
CODE_ADD(c, 0x1, 24);
|
|
CODE_ADD(c, 0xb52, 12);
|
|
CODE_ADD(c, go->standard == GO7007_STD_NTSC ? 2 : 1, 3);
|
|
CODE_ADD(c, 0x105, 9);
|
|
CODE_ADD(c, 0x505, 16);
|
|
CODE_ADD(c, go->width, 14);
|
|
CODE_ADD(c, 1, 1);
|
|
CODE_ADD(c, go->height, 14);
|
|
|
|
/* Byte-align with zeros */
|
|
i = 8 - (CODE_LENGTH(c) % 8);
|
|
if (i != 8)
|
|
CODE_ADD(c, 0, i);
|
|
}
|
|
}
|
|
|
|
i = CODE_LENGTH(c) + 4 * 8;
|
|
buf[0] = i & 0xff;
|
|
buf[1] = i >> 8;
|
|
buf[2] = 0x00;
|
|
buf[3] = 0x00;
|
|
buf[4] = 0x01;
|
|
buf[5] = 0xb3;
|
|
return i;
|
|
}
|
|
|
|
static int gen_mpeg1hdr_to_package(struct go7007 *go,
|
|
__le16 *code, int space, int *framelen)
|
|
{
|
|
u8 *buf;
|
|
u16 mem = 0x3e00;
|
|
unsigned int addr = 0x19;
|
|
int i, off = 0, chunk;
|
|
|
|
buf = kzalloc(5120, GFP_KERNEL);
|
|
if (buf == NULL)
|
|
return -ENOMEM;
|
|
|
|
framelen[0] = mpeg1_frame_header(go, buf, 0, 1, PFRAME);
|
|
if (go->interlace_coding)
|
|
framelen[0] += mpeg1_frame_header(go, buf + framelen[0] / 8,
|
|
0, 2, PFRAME);
|
|
buf[0] = framelen[0] & 0xff;
|
|
buf[1] = framelen[0] >> 8;
|
|
i = 368;
|
|
framelen[1] = mpeg1_frame_header(go, buf + i, 0, 1, BFRAME_PRE);
|
|
if (go->interlace_coding)
|
|
framelen[1] += mpeg1_frame_header(go, buf + i + framelen[1] / 8,
|
|
0, 2, BFRAME_PRE);
|
|
buf[i] = framelen[1] & 0xff;
|
|
buf[i + 1] = framelen[1] >> 8;
|
|
i += 1632;
|
|
framelen[2] = mpeg1_frame_header(go, buf + i, 0, 1, BFRAME_POST);
|
|
if (go->interlace_coding)
|
|
framelen[2] += mpeg1_frame_header(go, buf + i + framelen[2] / 8,
|
|
0, 2, BFRAME_POST);
|
|
buf[i] = framelen[2] & 0xff;
|
|
buf[i + 1] = framelen[2] >> 8;
|
|
i += 1432;
|
|
framelen[3] = mpeg1_frame_header(go, buf + i, 0, 1, BFRAME_BIDIR);
|
|
if (go->interlace_coding)
|
|
framelen[3] += mpeg1_frame_header(go, buf + i + framelen[3] / 8,
|
|
0, 2, BFRAME_BIDIR);
|
|
buf[i] = framelen[3] & 0xff;
|
|
buf[i + 1] = framelen[3] >> 8;
|
|
i += 1632 + 16;
|
|
mpeg1_sequence_header(go, buf + i, 0);
|
|
i += 40;
|
|
for (i = 0; i < 5120; i += chunk * 2) {
|
|
if (space - off < 32) {
|
|
off = -1;
|
|
goto done;
|
|
}
|
|
|
|
code[off + 1] = __cpu_to_le16(0x8000 | mem);
|
|
|
|
chunk = 28;
|
|
if (mem + chunk > 0x4000)
|
|
chunk = 0x4000 - mem;
|
|
if (i + 2 * chunk > 5120)
|
|
chunk = (5120 - i) / 2;
|
|
|
|
if (chunk < 28) {
|
|
code[off] = __cpu_to_le16(0x4000 | chunk);
|
|
code[off + 31] = __cpu_to_le16(addr);
|
|
if (mem + chunk == 0x4000) {
|
|
mem = 0x3e00;
|
|
++addr;
|
|
}
|
|
} else {
|
|
code[off] = __cpu_to_le16(0x1000 | 28);
|
|
code[off + 31] = 0;
|
|
mem += 28;
|
|
}
|
|
|
|
memcpy(&code[off + 2], buf + i, chunk * 2);
|
|
off += 32;
|
|
}
|
|
done:
|
|
kfree(buf);
|
|
return off;
|
|
}
|
|
|
|
static int vti_bitlen(struct go7007 *go)
|
|
{
|
|
unsigned int i, max_time_incr = go->sensor_framerate / go->fps_scale;
|
|
|
|
for (i = 31; (max_time_incr & ((1 << i) - 1)) == max_time_incr; --i)
|
|
;
|
|
return i + 1;
|
|
}
|
|
|
|
static int mpeg4_frame_header(struct go7007 *go, unsigned char *buf,
|
|
int modulo, enum mpeg_frame_type frame)
|
|
{
|
|
int i;
|
|
CODE_GEN(c, buf + 6);
|
|
int mb_count = (go->width >> 4) * (go->height >> 4);
|
|
|
|
CODE_ADD(c, frame == PFRAME ? 0x1 : 0x2, 2);
|
|
if (modulo)
|
|
CODE_ADD(c, 0x1, 1);
|
|
CODE_ADD(c, 0x1, 2);
|
|
CODE_ADD(c, 0, vti_bitlen(go));
|
|
CODE_ADD(c, 0x3, 2);
|
|
if (frame == PFRAME)
|
|
CODE_ADD(c, 0, 1);
|
|
CODE_ADD(c, 0xc, 11);
|
|
if (frame != PFRAME)
|
|
CODE_ADD(c, 0x4, 3);
|
|
if (frame != BFRAME_EMPTY) {
|
|
for (i = 0; i < mb_count; ++i) {
|
|
switch (frame) {
|
|
case PFRAME:
|
|
CODE_ADD(c, 0x1, 1);
|
|
break;
|
|
case BFRAME_PRE:
|
|
CODE_ADD(c, 0x47, 8);
|
|
break;
|
|
case BFRAME_POST:
|
|
CODE_ADD(c, 0x27, 7);
|
|
break;
|
|
case BFRAME_BIDIR:
|
|
CODE_ADD(c, 0x5f, 8);
|
|
break;
|
|
case BFRAME_EMPTY: /* keep compiler quiet */
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Byte-align with a zero followed by ones */
|
|
i = 8 - (CODE_LENGTH(c) % 8);
|
|
CODE_ADD(c, 0, 1);
|
|
CODE_ADD(c, (1 << (i - 1)) - 1, i - 1);
|
|
|
|
i = CODE_LENGTH(c) + 4 * 8;
|
|
buf[0] = i & 0xff;
|
|
buf[1] = i >> 8;
|
|
buf[2] = 0x00;
|
|
buf[3] = 0x00;
|
|
buf[4] = 0x01;
|
|
buf[5] = 0xb6;
|
|
return i;
|
|
}
|
|
|
|
static int mpeg4_sequence_header(struct go7007 *go, unsigned char *buf, int ext)
|
|
{
|
|
const unsigned char head[] = { 0x00, 0x00, 0x01, 0xb0, go->pali,
|
|
0x00, 0x00, 0x01, 0xb5, 0x09,
|
|
0x00, 0x00, 0x01, 0x00,
|
|
0x00, 0x00, 0x01, 0x20, };
|
|
int i, aspect_ratio;
|
|
int fps = go->sensor_framerate / go->fps_scale;
|
|
CODE_GEN(c, buf + 2 + sizeof(head));
|
|
|
|
switch (go->aspect_ratio) {
|
|
case GO7007_RATIO_4_3:
|
|
aspect_ratio = go->standard == GO7007_STD_NTSC ? 3 : 2;
|
|
break;
|
|
case GO7007_RATIO_16_9:
|
|
aspect_ratio = go->standard == GO7007_STD_NTSC ? 5 : 4;
|
|
break;
|
|
default:
|
|
aspect_ratio = 1;
|
|
break;
|
|
}
|
|
|
|
memcpy(buf + 2, head, sizeof(head));
|
|
CODE_ADD(c, 0x191, 17);
|
|
CODE_ADD(c, aspect_ratio, 4);
|
|
CODE_ADD(c, 0x1, 4);
|
|
CODE_ADD(c, fps, 16);
|
|
CODE_ADD(c, 0x3, 2);
|
|
CODE_ADD(c, 1001, vti_bitlen(go));
|
|
CODE_ADD(c, 1, 1);
|
|
CODE_ADD(c, go->width, 13);
|
|
CODE_ADD(c, 1, 1);
|
|
CODE_ADD(c, go->height, 13);
|
|
CODE_ADD(c, 0x2830, 14);
|
|
|
|
/* Byte-align */
|
|
i = 8 - (CODE_LENGTH(c) % 8);
|
|
CODE_ADD(c, 0, 1);
|
|
CODE_ADD(c, (1 << (i - 1)) - 1, i - 1);
|
|
|
|
i = CODE_LENGTH(c) + sizeof(head) * 8;
|
|
buf[0] = i & 0xff;
|
|
buf[1] = i >> 8;
|
|
return i;
|
|
}
|
|
|
|
static int gen_mpeg4hdr_to_package(struct go7007 *go,
|
|
__le16 *code, int space, int *framelen)
|
|
{
|
|
u8 *buf;
|
|
u16 mem = 0x3e00;
|
|
unsigned int addr = 0x19;
|
|
int i, off = 0, chunk;
|
|
|
|
buf = kzalloc(5120, GFP_KERNEL);
|
|
if (buf == NULL)
|
|
return -ENOMEM;
|
|
|
|
framelen[0] = mpeg4_frame_header(go, buf, 0, PFRAME);
|
|
i = 368;
|
|
framelen[1] = mpeg4_frame_header(go, buf + i, 0, BFRAME_PRE);
|
|
i += 1632;
|
|
framelen[2] = mpeg4_frame_header(go, buf + i, 0, BFRAME_POST);
|
|
i += 1432;
|
|
framelen[3] = mpeg4_frame_header(go, buf + i, 0, BFRAME_BIDIR);
|
|
i += 1632;
|
|
mpeg4_frame_header(go, buf + i, 0, BFRAME_EMPTY);
|
|
i += 16;
|
|
mpeg4_sequence_header(go, buf + i, 0);
|
|
i += 40;
|
|
for (i = 0; i < 5120; i += chunk * 2) {
|
|
if (space - off < 32) {
|
|
off = -1;
|
|
goto done;
|
|
}
|
|
|
|
code[off + 1] = __cpu_to_le16(0x8000 | mem);
|
|
|
|
chunk = 28;
|
|
if (mem + chunk > 0x4000)
|
|
chunk = 0x4000 - mem;
|
|
if (i + 2 * chunk > 5120)
|
|
chunk = (5120 - i) / 2;
|
|
|
|
if (chunk < 28) {
|
|
code[off] = __cpu_to_le16(0x4000 | chunk);
|
|
code[off + 31] = __cpu_to_le16(addr);
|
|
if (mem + chunk == 0x4000) {
|
|
mem = 0x3e00;
|
|
++addr;
|
|
}
|
|
} else {
|
|
code[off] = __cpu_to_le16(0x1000 | 28);
|
|
code[off + 31] = 0;
|
|
mem += 28;
|
|
}
|
|
|
|
memcpy(&code[off + 2], buf + i, chunk * 2);
|
|
off += 32;
|
|
}
|
|
mem = 0x3e00;
|
|
addr = go->ipb ? 0x14f9 : 0x0af9;
|
|
memset(buf, 0, 5120);
|
|
framelen[4] = mpeg4_frame_header(go, buf, 1, PFRAME);
|
|
i = 368;
|
|
framelen[5] = mpeg4_frame_header(go, buf + i, 1, BFRAME_PRE);
|
|
i += 1632;
|
|
framelen[6] = mpeg4_frame_header(go, buf + i, 1, BFRAME_POST);
|
|
i += 1432;
|
|
framelen[7] = mpeg4_frame_header(go, buf + i, 1, BFRAME_BIDIR);
|
|
i += 1632;
|
|
mpeg4_frame_header(go, buf + i, 1, BFRAME_EMPTY);
|
|
i += 16;
|
|
for (i = 0; i < 5120; i += chunk * 2) {
|
|
if (space - off < 32) {
|
|
off = -1;
|
|
goto done;
|
|
}
|
|
|
|
code[off + 1] = __cpu_to_le16(0x8000 | mem);
|
|
|
|
chunk = 28;
|
|
if (mem + chunk > 0x4000)
|
|
chunk = 0x4000 - mem;
|
|
if (i + 2 * chunk > 5120)
|
|
chunk = (5120 - i) / 2;
|
|
|
|
if (chunk < 28) {
|
|
code[off] = __cpu_to_le16(0x4000 | chunk);
|
|
code[off + 31] = __cpu_to_le16(addr);
|
|
if (mem + chunk == 0x4000) {
|
|
mem = 0x3e00;
|
|
++addr;
|
|
}
|
|
} else {
|
|
code[off] = __cpu_to_le16(0x1000 | 28);
|
|
code[off + 31] = 0;
|
|
mem += 28;
|
|
}
|
|
|
|
memcpy(&code[off + 2], buf + i, chunk * 2);
|
|
off += 32;
|
|
}
|
|
done:
|
|
kfree(buf);
|
|
return off;
|
|
}
|
|
|
|
static int brctrl_to_package(struct go7007 *go,
|
|
__le16 *code, int space, int *framelen)
|
|
{
|
|
int converge_speed = 0;
|
|
int lambda = (go->format == V4L2_PIX_FMT_MJPEG || go->dvd_mode) ?
|
|
100 : 0;
|
|
int peak_rate = 6 * go->bitrate / 5;
|
|
int vbv_buffer = go->format == V4L2_PIX_FMT_MJPEG ?
|
|
go->bitrate :
|
|
(go->dvd_mode ? 900000 : peak_rate);
|
|
int fps = go->sensor_framerate / go->fps_scale;
|
|
int q = 0;
|
|
/* Bizarre math below depends on rounding errors in division */
|
|
u32 sgop_expt_addr = go->bitrate / 32 * (go->ipb ? 3 : 1) * 1001 / fps;
|
|
u32 sgop_peak_addr = peak_rate / 32 * 1001 / fps;
|
|
u32 total_expt_addr = go->bitrate / 32 * 1000 / fps * (fps / 1000);
|
|
u32 vbv_alert_addr = vbv_buffer * 3 / (4 * 32);
|
|
u32 cplx[] = {
|
|
q > 0 ? sgop_expt_addr * q :
|
|
2 * go->width * go->height * (go->ipb ? 6 : 4) / 32,
|
|
q > 0 ? sgop_expt_addr * q :
|
|
2 * go->width * go->height * (go->ipb ? 6 : 4) / 32,
|
|
q > 0 ? sgop_expt_addr * q :
|
|
2 * go->width * go->height * (go->ipb ? 6 : 4) / 32,
|
|
q > 0 ? sgop_expt_addr * q :
|
|
2 * go->width * go->height * (go->ipb ? 6 : 4) / 32,
|
|
};
|
|
u32 calc_q = q > 0 ? q : cplx[0] / sgop_expt_addr;
|
|
u16 pack[] = {
|
|
0x200e, 0x0000,
|
|
0xBF20, go->ipb ? converge_speed_ipb[converge_speed]
|
|
: converge_speed_ip[converge_speed],
|
|
0xBF21, go->ipb ? 2 : 0,
|
|
0xBF22, go->ipb ? LAMBDA_table[0][lambda / 2 + 50]
|
|
: 32767,
|
|
0xBF23, go->ipb ? LAMBDA_table[1][lambda] : 32767,
|
|
0xBF24, 32767,
|
|
0xBF25, lambda > 99 ? 32767 : LAMBDA_table[3][lambda],
|
|
0xBF26, sgop_expt_addr & 0x0000FFFF,
|
|
0xBF27, sgop_expt_addr >> 16,
|
|
0xBF28, sgop_peak_addr & 0x0000FFFF,
|
|
0xBF29, sgop_peak_addr >> 16,
|
|
0xBF2A, vbv_alert_addr & 0x0000FFFF,
|
|
0xBF2B, vbv_alert_addr >> 16,
|
|
0xBF2C, 0,
|
|
0xBF2D, 0,
|
|
0, 0,
|
|
|
|
0x200e, 0x0000,
|
|
0xBF2E, vbv_alert_addr & 0x0000FFFF,
|
|
0xBF2F, vbv_alert_addr >> 16,
|
|
0xBF30, cplx[0] & 0x0000FFFF,
|
|
0xBF31, cplx[0] >> 16,
|
|
0xBF32, cplx[1] & 0x0000FFFF,
|
|
0xBF33, cplx[1] >> 16,
|
|
0xBF34, cplx[2] & 0x0000FFFF,
|
|
0xBF35, cplx[2] >> 16,
|
|
0xBF36, cplx[3] & 0x0000FFFF,
|
|
0xBF37, cplx[3] >> 16,
|
|
0xBF38, 0,
|
|
0xBF39, 0,
|
|
0xBF3A, total_expt_addr & 0x0000FFFF,
|
|
0xBF3B, total_expt_addr >> 16,
|
|
0, 0,
|
|
|
|
0x200e, 0x0000,
|
|
0xBF3C, total_expt_addr & 0x0000FFFF,
|
|
0xBF3D, total_expt_addr >> 16,
|
|
0xBF3E, 0,
|
|
0xBF3F, 0,
|
|
0xBF48, 0,
|
|
0xBF49, 0,
|
|
0xBF4A, calc_q < 4 ? 4 : (calc_q > 124 ? 124 : calc_q),
|
|
0xBF4B, 4,
|
|
0xBF4C, 0,
|
|
0xBF4D, 0,
|
|
0xBF4E, 0,
|
|
0xBF4F, 0,
|
|
0xBF50, 0,
|
|
0xBF51, 0,
|
|
0, 0,
|
|
|
|
0x200e, 0x0000,
|
|
0xBF40, sgop_expt_addr & 0x0000FFFF,
|
|
0xBF41, sgop_expt_addr >> 16,
|
|
0xBF42, 0,
|
|
0xBF43, 0,
|
|
0xBF44, 0,
|
|
0xBF45, 0,
|
|
0xBF46, (go->width >> 4) * (go->height >> 4),
|
|
0xBF47, 0,
|
|
0xBF64, 0,
|
|
0xBF65, 0,
|
|
0xBF18, framelen[4],
|
|
0xBF19, framelen[5],
|
|
0xBF1A, framelen[6],
|
|
0xBF1B, framelen[7],
|
|
0, 0,
|
|
|
|
#if 0
|
|
/* Remove once we don't care about matching */
|
|
0x200e, 0x0000,
|
|
0xBF56, 4,
|
|
0xBF57, 0,
|
|
0xBF58, 5,
|
|
0xBF59, 0,
|
|
0xBF5A, 6,
|
|
0xBF5B, 0,
|
|
0xBF5C, 8,
|
|
0xBF5D, 0,
|
|
0xBF5E, 1,
|
|
0xBF5F, 0,
|
|
0xBF60, 1,
|
|
0xBF61, 0,
|
|
0xBF62, 0,
|
|
0xBF63, 0,
|
|
0, 0,
|
|
#else
|
|
0x2008, 0x0000,
|
|
0xBF56, 4,
|
|
0xBF57, 0,
|
|
0xBF58, 5,
|
|
0xBF59, 0,
|
|
0xBF5A, 6,
|
|
0xBF5B, 0,
|
|
0xBF5C, 8,
|
|
0xBF5D, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
#endif
|
|
|
|
0x200e, 0x0000,
|
|
0xBF10, 0,
|
|
0xBF11, 0,
|
|
0xBF12, 0,
|
|
0xBF13, 0,
|
|
0xBF14, 0,
|
|
0xBF15, 0,
|
|
0xBF16, 0,
|
|
0xBF17, 0,
|
|
0xBF7E, 0,
|
|
0xBF7F, 1,
|
|
0xBF52, framelen[0],
|
|
0xBF53, framelen[1],
|
|
0xBF54, framelen[2],
|
|
0xBF55, framelen[3],
|
|
0, 0,
|
|
};
|
|
|
|
return copy_packages(code, pack, 6, space);
|
|
}
|
|
|
|
static int config_package(struct go7007 *go, __le16 *code, int space)
|
|
{
|
|
int fps = go->sensor_framerate / go->fps_scale / 1000;
|
|
int rows = go->interlace_coding ? go->height / 32 : go->height / 16;
|
|
int brc_window_size = fps;
|
|
int q_min = 2, q_max = 31;
|
|
int THACCoeffSet0 = 0;
|
|
u16 pack[] = {
|
|
0x200e, 0x0000,
|
|
0xc002, 0x14b4,
|
|
0xc003, 0x28b4,
|
|
0xc004, 0x3c5a,
|
|
0xdc05, 0x2a77,
|
|
0xc6c3, go->format == V4L2_PIX_FMT_MPEG4 ? 0 :
|
|
(go->format == V4L2_PIX_FMT_H263 ? 0 : 1),
|
|
0xc680, go->format == V4L2_PIX_FMT_MPEG4 ? 0xf1 :
|
|
(go->format == V4L2_PIX_FMT_H263 ? 0x61 :
|
|
0xd3),
|
|
0xc780, 0x0140,
|
|
0xe009, 0x0001,
|
|
0xc60f, 0x0008,
|
|
0xd4ff, 0x0002,
|
|
0xe403, 2340,
|
|
0xe406, 75,
|
|
0xd411, 0x0001,
|
|
0xd410, 0xa1d6,
|
|
0x0001, 0x2801,
|
|
|
|
0x200d, 0x0000,
|
|
0xe402, 0x018b,
|
|
0xe401, 0x8b01,
|
|
0xd472, (go->board_info->sensor_flags &
|
|
GO7007_SENSOR_TV) &&
|
|
(!go->interlace_coding) ?
|
|
0x01b0 : 0x0170,
|
|
0xd475, (go->board_info->sensor_flags &
|
|
GO7007_SENSOR_TV) &&
|
|
(!go->interlace_coding) ?
|
|
0x0008 : 0x0009,
|
|
0xc404, go->interlace_coding ? 0x44 :
|
|
(go->format == V4L2_PIX_FMT_MPEG4 ? 0x11 :
|
|
(go->format == V4L2_PIX_FMT_MPEG1 ? 0x02 :
|
|
(go->format == V4L2_PIX_FMT_MPEG2 ? 0x04 :
|
|
(go->format == V4L2_PIX_FMT_H263 ? 0x08 :
|
|
0x20)))),
|
|
0xbf0a, (go->format == V4L2_PIX_FMT_MPEG4 ? 8 :
|
|
(go->format == V4L2_PIX_FMT_MPEG1 ? 1 :
|
|
(go->format == V4L2_PIX_FMT_MPEG2 ? 2 :
|
|
(go->format == V4L2_PIX_FMT_H263 ? 4 : 16)))) |
|
|
((go->repeat_seqhead ? 1 : 0) << 6) |
|
|
((go->dvd_mode ? 1 : 0) << 9) |
|
|
((go->gop_header_enable ? 1 : 0) << 10),
|
|
0xbf0b, 0,
|
|
0xdd5a, go->ipb ? 0x14 : 0x0a,
|
|
0xbf0c, 0,
|
|
0xbf0d, 0,
|
|
0xc683, THACCoeffSet0,
|
|
0xc40a, (go->width << 4) | rows,
|
|
0xe01a, go->board_info->hpi_buffer_cap,
|
|
0, 0,
|
|
0, 0,
|
|
|
|
0x2008, 0,
|
|
0xe402, 0x88,
|
|
0xe401, 0x8f01,
|
|
0xbf6a, 0,
|
|
0xbf6b, 0,
|
|
0xbf6c, 0,
|
|
0xbf6d, 0,
|
|
0xbf6e, 0,
|
|
0xbf6f, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
|
|
0x200e, 0,
|
|
0xbf66, brc_window_size,
|
|
0xbf67, 0,
|
|
0xbf68, q_min,
|
|
0xbf69, q_max,
|
|
0xbfe0, 0,
|
|
0xbfe1, 0,
|
|
0xbfe2, 0,
|
|
0xbfe3, go->ipb ? 3 : 1,
|
|
0xc031, go->board_info->sensor_flags &
|
|
GO7007_SENSOR_VBI ? 1 : 0,
|
|
0xc01c, 0x1f,
|
|
0xdd8c, 0x15,
|
|
0xdd94, 0x15,
|
|
0xdd88, go->ipb ? 0x1401 : 0x0a01,
|
|
0xdd90, go->ipb ? 0x1401 : 0x0a01,
|
|
0, 0,
|
|
|
|
0x200e, 0,
|
|
0xbfe4, 0,
|
|
0xbfe5, 0,
|
|
0xbfe6, 0,
|
|
0xbfe7, fps << 8,
|
|
0xbfe8, 0x3a00,
|
|
0xbfe9, 0,
|
|
0xbfea, 0,
|
|
0xbfeb, 0,
|
|
0xbfec, (go->interlace_coding ? 1 << 15 : 0) |
|
|
(go->modet_enable ? 0xa : 0) |
|
|
(go->board_info->sensor_flags &
|
|
GO7007_SENSOR_VBI ? 1 : 0),
|
|
0xbfed, 0,
|
|
0xbfee, 0,
|
|
0xbfef, 0,
|
|
0xbff0, go->board_info->sensor_flags &
|
|
GO7007_SENSOR_TV ? 0xf060 : 0xb060,
|
|
0xbff1, 0,
|
|
0, 0,
|
|
};
|
|
|
|
return copy_packages(code, pack, 5, space);
|
|
}
|
|
|
|
static int seqhead_to_package(struct go7007 *go, __le16 *code, int space,
|
|
int (*sequence_header_func)(struct go7007 *go,
|
|
unsigned char *buf, int ext))
|
|
{
|
|
int vop_time_increment_bitlength = vti_bitlen(go);
|
|
int fps = go->sensor_framerate / go->fps_scale *
|
|
(go->interlace_coding ? 2 : 1);
|
|
unsigned char buf[40] = { };
|
|
int len = sequence_header_func(go, buf, 1);
|
|
u16 pack[] = {
|
|
0x2006, 0,
|
|
0xbf08, fps,
|
|
0xbf09, 0,
|
|
0xbff2, vop_time_increment_bitlength,
|
|
0xbff3, (1 << vop_time_increment_bitlength) - 1,
|
|
0xbfe6, 0,
|
|
0xbfe7, (fps / 1000) << 8,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
|
|
0x2007, 0,
|
|
0xc800, buf[2] << 8 | buf[3],
|
|
0xc801, buf[4] << 8 | buf[5],
|
|
0xc802, buf[6] << 8 | buf[7],
|
|
0xc803, buf[8] << 8 | buf[9],
|
|
0xc406, 64,
|
|
0xc407, len - 64,
|
|
0xc61b, 1,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
|
|
0x200e, 0,
|
|
0xc808, buf[10] << 8 | buf[11],
|
|
0xc809, buf[12] << 8 | buf[13],
|
|
0xc80a, buf[14] << 8 | buf[15],
|
|
0xc80b, buf[16] << 8 | buf[17],
|
|
0xc80c, buf[18] << 8 | buf[19],
|
|
0xc80d, buf[20] << 8 | buf[21],
|
|
0xc80e, buf[22] << 8 | buf[23],
|
|
0xc80f, buf[24] << 8 | buf[25],
|
|
0xc810, buf[26] << 8 | buf[27],
|
|
0xc811, buf[28] << 8 | buf[29],
|
|
0xc812, buf[30] << 8 | buf[31],
|
|
0xc813, buf[32] << 8 | buf[33],
|
|
0xc814, buf[34] << 8 | buf[35],
|
|
0xc815, buf[36] << 8 | buf[37],
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
};
|
|
|
|
return copy_packages(code, pack, 3, space);
|
|
}
|
|
|
|
static int relative_prime(int big, int little)
|
|
{
|
|
int remainder;
|
|
|
|
while (little != 0) {
|
|
remainder = big % little;
|
|
big = little;
|
|
little = remainder;
|
|
}
|
|
return big;
|
|
}
|
|
|
|
static int avsync_to_package(struct go7007 *go, __le16 *code, int space)
|
|
{
|
|
int arate = go->board_info->audio_rate * 1001 * go->fps_scale;
|
|
int ratio = arate / go->sensor_framerate;
|
|
int adjratio = ratio * 215 / 100;
|
|
int rprime = relative_prime(go->sensor_framerate,
|
|
arate % go->sensor_framerate);
|
|
int f1 = (arate % go->sensor_framerate) / rprime;
|
|
int f2 = (go->sensor_framerate - arate % go->sensor_framerate) / rprime;
|
|
u16 pack[] = {
|
|
0x200e, 0,
|
|
0xbf98, (u16)((-adjratio) & 0xffff),
|
|
0xbf99, (u16)((-adjratio) >> 16),
|
|
0xbf92, 0,
|
|
0xbf93, 0,
|
|
0xbff4, f1 > f2 ? f1 : f2,
|
|
0xbff5, f1 < f2 ? f1 : f2,
|
|
0xbff6, f1 < f2 ? ratio : ratio + 1,
|
|
0xbff7, f1 > f2 ? ratio : ratio + 1,
|
|
0xbff8, 0,
|
|
0xbff9, 0,
|
|
0xbffa, adjratio & 0xffff,
|
|
0xbffb, adjratio >> 16,
|
|
0xbf94, 0,
|
|
0xbf95, 0,
|
|
0, 0,
|
|
};
|
|
|
|
return copy_packages(code, pack, 1, space);
|
|
}
|
|
|
|
static int final_package(struct go7007 *go, __le16 *code, int space)
|
|
{
|
|
int rows = go->interlace_coding ? go->height / 32 : go->height / 16;
|
|
u16 pack[] = {
|
|
0x8000,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
2,
|
|
((go->board_info->sensor_flags & GO7007_SENSOR_TV) &&
|
|
(!go->interlace_coding) ?
|
|
(1 << 14) | (1 << 9) : 0) |
|
|
((go->encoder_subsample ? 1 : 0) << 8) |
|
|
(go->board_info->sensor_flags &
|
|
GO7007_SENSOR_CONFIG_MASK),
|
|
((go->encoder_v_halve ? 1 : 0) << 14) |
|
|
(go->encoder_v_halve ? rows << 9 : rows << 8) |
|
|
(go->encoder_h_halve ? 1 << 6 : 0) |
|
|
(go->encoder_h_halve ? go->width >> 3 : go->width >> 4),
|
|
(1 << 15) | (go->encoder_v_offset << 6) |
|
|
(1 << 7) | (go->encoder_h_offset >> 2),
|
|
(1 << 6),
|
|
0,
|
|
0,
|
|
((go->fps_scale - 1) << 8) |
|
|
(go->board_info->sensor_flags & GO7007_SENSOR_TV ?
|
|
(1 << 7) : 0) |
|
|
0x41,
|
|
go->ipb ? 0xd4c : 0x36b,
|
|
(rows << 8) | (go->width >> 4),
|
|
go->format == V4L2_PIX_FMT_MPEG4 ? 0x0404 : 0,
|
|
(1 << 15) | ((go->interlace_coding ? 1 : 0) << 13) |
|
|
((go->closed_gop ? 1 : 0) << 12) |
|
|
((go->format == V4L2_PIX_FMT_MPEG4 ? 1 : 0) << 11) |
|
|
/* (1 << 9) | */
|
|
((go->ipb ? 3 : 0) << 7) |
|
|
((go->modet_enable ? 1 : 0) << 2) |
|
|
((go->dvd_mode ? 1 : 0) << 1) | 1,
|
|
(go->format == V4L2_PIX_FMT_MPEG1 ? 0x89a0 :
|
|
(go->format == V4L2_PIX_FMT_MPEG2 ? 0x89a0 :
|
|
(go->format == V4L2_PIX_FMT_MJPEG ? 0x89a0 :
|
|
(go->format == V4L2_PIX_FMT_MPEG4 ? 0x8920 :
|
|
(go->format == V4L2_PIX_FMT_H263 ? 0x8920 : 0))))),
|
|
go->ipb ? 0x1f15 : 0x1f0b,
|
|
go->ipb ? 0x0015 : 0x000b,
|
|
go->ipb ? 0xa800 : 0x5800,
|
|
0xffff,
|
|
0x0020 + 0x034b * 0,
|
|
0x0020 + 0x034b * 1,
|
|
0x0020 + 0x034b * 2,
|
|
0x0020 + 0x034b * 3,
|
|
0x0020 + 0x034b * 4,
|
|
0x0020 + 0x034b * 5,
|
|
go->ipb ? (go->gop_size / 3) : go->gop_size,
|
|
(go->height >> 4) * (go->width >> 4) * 110 / 100,
|
|
};
|
|
|
|
return copy_packages(code, pack, 1, space);
|
|
}
|
|
|
|
static int audio_to_package(struct go7007 *go, __le16 *code, int space)
|
|
{
|
|
int clock_config = ((go->board_info->audio_flags &
|
|
GO7007_AUDIO_I2S_MASTER ? 1 : 0) << 11) |
|
|
((go->board_info->audio_flags &
|
|
GO7007_AUDIO_OKI_MODE ? 1 : 0) << 8) |
|
|
(((go->board_info->audio_bclk_div / 4) - 1) << 4) |
|
|
(go->board_info->audio_main_div - 1);
|
|
u16 pack[] = {
|
|
0x200d, 0,
|
|
0x9002, 0,
|
|
0x9002, 0,
|
|
0x9031, 0,
|
|
0x9032, 0,
|
|
0x9033, 0,
|
|
0x9034, 0,
|
|
0x9035, 0,
|
|
0x9036, 0,
|
|
0x9037, 0,
|
|
0x9040, 0,
|
|
0x9000, clock_config,
|
|
0x9001, (go->board_info->audio_flags & 0xffff) |
|
|
(1 << 9),
|
|
0x9000, ((go->board_info->audio_flags &
|
|
GO7007_AUDIO_I2S_MASTER ?
|
|
1 : 0) << 10) |
|
|
clock_config,
|
|
0, 0,
|
|
0, 0,
|
|
0x2005, 0,
|
|
0x9041, 0,
|
|
0x9042, 256,
|
|
0x9043, 0,
|
|
0x9044, 16,
|
|
0x9045, 16,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
0, 0,
|
|
};
|
|
|
|
return copy_packages(code, pack, 2, space);
|
|
}
|
|
|
|
static int modet_to_package(struct go7007 *go, __le16 *code, int space)
|
|
{
|
|
bool has_modet0 = go->modet[0].enable;
|
|
bool has_modet1 = go->modet[1].enable;
|
|
bool has_modet2 = go->modet[2].enable;
|
|
bool has_modet3 = go->modet[3].enable;
|
|
int ret, mb, i, addr, cnt = 0;
|
|
u16 pack[32];
|
|
u16 thresholds[] = {
|
|
0x200e, 0,
|
|
0xbf82, has_modet0 ? go->modet[0].pixel_threshold : 32767,
|
|
0xbf83, has_modet1 ? go->modet[1].pixel_threshold : 32767,
|
|
0xbf84, has_modet2 ? go->modet[2].pixel_threshold : 32767,
|
|
0xbf85, has_modet3 ? go->modet[3].pixel_threshold : 32767,
|
|
0xbf86, has_modet0 ? go->modet[0].motion_threshold : 32767,
|
|
0xbf87, has_modet1 ? go->modet[1].motion_threshold : 32767,
|
|
0xbf88, has_modet2 ? go->modet[2].motion_threshold : 32767,
|
|
0xbf89, has_modet3 ? go->modet[3].motion_threshold : 32767,
|
|
0xbf8a, has_modet0 ? go->modet[0].mb_threshold : 32767,
|
|
0xbf8b, has_modet1 ? go->modet[1].mb_threshold : 32767,
|
|
0xbf8c, has_modet2 ? go->modet[2].mb_threshold : 32767,
|
|
0xbf8d, has_modet3 ? go->modet[3].mb_threshold : 32767,
|
|
0xbf8e, 0,
|
|
0xbf8f, 0,
|
|
0, 0,
|
|
};
|
|
|
|
ret = copy_packages(code, thresholds, 1, space);
|
|
if (ret < 0)
|
|
return -1;
|
|
cnt += ret;
|
|
|
|
addr = 0xbac0;
|
|
memset(pack, 0, 64);
|
|
i = 0;
|
|
for (mb = 0; mb < 1624; ++mb) {
|
|
pack[i * 2 + 3] <<= 2;
|
|
pack[i * 2 + 3] |= go->modet_map[mb];
|
|
if (mb % 8 != 7)
|
|
continue;
|
|
pack[i * 2 + 2] = addr++;
|
|
++i;
|
|
if (i == 10 || mb == 1623) {
|
|
pack[0] = 0x2000 | i;
|
|
ret = copy_packages(code + cnt, pack, 1, space - cnt);
|
|
if (ret < 0)
|
|
return -1;
|
|
cnt += ret;
|
|
i = 0;
|
|
memset(pack, 0, 64);
|
|
}
|
|
pack[i * 2 + 3] = 0;
|
|
}
|
|
|
|
memset(pack, 0, 64);
|
|
i = 0;
|
|
for (addr = 0xbb90; addr < 0xbbfa; ++addr) {
|
|
pack[i * 2 + 2] = addr;
|
|
pack[i * 2 + 3] = 0;
|
|
++i;
|
|
if (i == 10 || addr == 0xbbf9) {
|
|
pack[0] = 0x2000 | i;
|
|
ret = copy_packages(code + cnt, pack, 1, space - cnt);
|
|
if (ret < 0)
|
|
return -1;
|
|
cnt += ret;
|
|
i = 0;
|
|
memset(pack, 0, 64);
|
|
}
|
|
}
|
|
return cnt;
|
|
}
|
|
|
|
static int do_special(struct go7007 *go, u16 type, __le16 *code, int space,
|
|
int *framelen)
|
|
{
|
|
switch (type) {
|
|
case SPECIAL_FRM_HEAD:
|
|
switch (go->format) {
|
|
case V4L2_PIX_FMT_MJPEG:
|
|
return gen_mjpeghdr_to_package(go, code, space);
|
|
case V4L2_PIX_FMT_MPEG1:
|
|
case V4L2_PIX_FMT_MPEG2:
|
|
return gen_mpeg1hdr_to_package(go, code, space,
|
|
framelen);
|
|
case V4L2_PIX_FMT_MPEG4:
|
|
return gen_mpeg4hdr_to_package(go, code, space,
|
|
framelen);
|
|
}
|
|
case SPECIAL_BRC_CTRL:
|
|
return brctrl_to_package(go, code, space, framelen);
|
|
case SPECIAL_CONFIG:
|
|
return config_package(go, code, space);
|
|
case SPECIAL_SEQHEAD:
|
|
switch (go->format) {
|
|
case V4L2_PIX_FMT_MPEG1:
|
|
case V4L2_PIX_FMT_MPEG2:
|
|
return seqhead_to_package(go, code, space,
|
|
mpeg1_sequence_header);
|
|
case V4L2_PIX_FMT_MPEG4:
|
|
return seqhead_to_package(go, code, space,
|
|
mpeg4_sequence_header);
|
|
default:
|
|
return 0;
|
|
}
|
|
case SPECIAL_AV_SYNC:
|
|
return avsync_to_package(go, code, space);
|
|
case SPECIAL_FINAL:
|
|
return final_package(go, code, space);
|
|
case SPECIAL_AUDIO:
|
|
return audio_to_package(go, code, space);
|
|
case SPECIAL_MODET:
|
|
return modet_to_package(go, code, space);
|
|
}
|
|
dev_err(go->dev,
|
|
"firmware file contains unsupported feature %04x\n", type);
|
|
return -1;
|
|
}
|
|
|
|
int go7007_construct_fw_image(struct go7007 *go, u8 **fw, int *fwlen)
|
|
{
|
|
const struct firmware *fw_entry;
|
|
__le16 *code, *src;
|
|
int framelen[8] = { }; /* holds the lengths of empty frame templates */
|
|
int codespace = 64 * 1024, i = 0, srclen, chunk_len, chunk_flags;
|
|
int mode_flag;
|
|
int ret;
|
|
|
|
switch (go->format) {
|
|
case V4L2_PIX_FMT_MJPEG:
|
|
mode_flag = FLAG_MODE_MJPEG;
|
|
break;
|
|
case V4L2_PIX_FMT_MPEG1:
|
|
mode_flag = FLAG_MODE_MPEG1;
|
|
break;
|
|
case V4L2_PIX_FMT_MPEG2:
|
|
mode_flag = FLAG_MODE_MPEG2;
|
|
break;
|
|
case V4L2_PIX_FMT_MPEG4:
|
|
mode_flag = FLAG_MODE_MPEG4;
|
|
break;
|
|
default:
|
|
return -1;
|
|
}
|
|
if (request_firmware(&fw_entry, GO7007_FW_NAME, go->dev)) {
|
|
dev_err(go->dev,
|
|
"unable to load firmware from file \"%s\"\n",
|
|
GO7007_FW_NAME);
|
|
return -1;
|
|
}
|
|
code = kzalloc(codespace * 2, GFP_KERNEL);
|
|
if (code == NULL)
|
|
goto fw_failed;
|
|
|
|
src = (__le16 *)fw_entry->data;
|
|
srclen = fw_entry->size / 2;
|
|
while (srclen >= 2) {
|
|
chunk_flags = __le16_to_cpu(src[0]);
|
|
chunk_len = __le16_to_cpu(src[1]);
|
|
if (chunk_len + 2 > srclen) {
|
|
dev_err(go->dev,
|
|
"firmware file \"%s\" appears to be corrupted\n",
|
|
GO7007_FW_NAME);
|
|
goto fw_failed;
|
|
}
|
|
if (chunk_flags & mode_flag) {
|
|
if (chunk_flags & FLAG_SPECIAL) {
|
|
ret = do_special(go, __le16_to_cpu(src[2]),
|
|
&code[i], codespace - i, framelen);
|
|
if (ret < 0) {
|
|
dev_err(go->dev,
|
|
"insufficient memory for firmware construction\n");
|
|
goto fw_failed;
|
|
}
|
|
i += ret;
|
|
} else {
|
|
if (codespace - i < chunk_len) {
|
|
dev_err(go->dev,
|
|
"insufficient memory for firmware construction\n");
|
|
goto fw_failed;
|
|
}
|
|
memcpy(&code[i], &src[2], chunk_len * 2);
|
|
i += chunk_len;
|
|
}
|
|
}
|
|
srclen -= chunk_len + 2;
|
|
src += chunk_len + 2;
|
|
}
|
|
release_firmware(fw_entry);
|
|
*fw = (u8 *)code;
|
|
*fwlen = i * 2;
|
|
return 0;
|
|
|
|
fw_failed:
|
|
kfree(code);
|
|
release_firmware(fw_entry);
|
|
return -1;
|
|
}
|
|
|
|
MODULE_FIRMWARE(GO7007_FW_NAME);
|