diff options
Diffstat (limited to 'drivers/staging/go7007/go7007-fw.c')
| -rw-r--r-- | drivers/staging/go7007/go7007-fw.c | 1636 |
1 files changed, 0 insertions, 1636 deletions
diff --git a/drivers/staging/go7007/go7007-fw.c b/drivers/staging/go7007/go7007-fw.c deleted file mode 100644 index c9a6409edfe..00000000000 --- a/drivers/staging/go7007/go7007-fw.c +++ /dev/null @@ -1,1636 +0,0 @@ -/* - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - */ - -/* - * 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/init.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" - -/* 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) { - printk(KERN_ERR "go7007: unable to allocate 4096 bytes for " - "firmware construction\n"); - return -1; - } - - 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 == GO7007_FORMAT_MPEG2 ? 0x7 : 0x4, 4); - if (frame != PFRAME) - CODE_ADD(c, go->format == GO7007_FORMAT_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 == GO7007_FORMAT_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 == GO7007_FORMAT_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 == GO7007_FORMAT_MPEG2 ? 20000 : 0x3ffff, 18); - CODE_ADD(c, 1, 1); - CODE_ADD(c, go->format == GO7007_FORMAT_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 == GO7007_FORMAT_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) { - printk(KERN_ERR "go7007: unable to allocate 5120 bytes for " - "firmware construction\n"); - return -1; - } - 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) { - printk(KERN_ERR "go7007: unable to allocate 5120 bytes for " - "firmware construction\n"); - return -1; - } - 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 == GO7007_FORMAT_MJPEG || go->dvd_mode) ? - 100 : 0; - int peak_rate = 6 * go->bitrate / 5; - int vbv_buffer = go->format == GO7007_FORMAT_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 == GO7007_FORMAT_MPEG4 ? 0 : - (go->format == GO7007_FORMAT_H263 ? 0 : 1), - 0xc680, go->format == GO7007_FORMAT_MPEG4 ? 0xf1 : - (go->format == GO7007_FORMAT_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 == GO7007_FORMAT_MPEG4 ? 0x11 : - (go->format == GO7007_FORMAT_MPEG1 ? 0x02 : - (go->format == GO7007_FORMAT_MPEG2 ? 0x04 : - (go->format == GO7007_FORMAT_H263 ? 0x08 : - 0x20)))), - 0xbf0a, (go->format == GO7007_FORMAT_MPEG4 ? 8 : - (go->format == GO7007_FORMAT_MPEG1 ? 1 : - (go->format == GO7007_FORMAT_MPEG2 ? 2 : - (go->format == GO7007_FORMAT_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 == GO7007_FORMAT_MPEG4 ? 0x0404 : 0, - (1 << 15) | ((go->interlace_coding ? 1 : 0) << 13) | - ((go->closed_gop ? 1 : 0) << 12) | - ((go->format == GO7007_FORMAT_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 == GO7007_FORMAT_MPEG1 ? 0x89a0 : - (go->format == GO7007_FORMAT_MPEG2 ? 0x89a0 : - (go->format == GO7007_FORMAT_MJPEG ? 0x89a0 : - (go->format == GO7007_FORMAT_MPEG4 ? 0x8920 : - (go->format == GO7007_FORMAT_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) -{ - int ret, mb, i, addr, cnt = 0; - u16 pack[32]; - u16 thresholds[] = { - 0x200e, 0, - 0xbf82, go->modet[0].pixel_threshold, - 0xbf83, go->modet[1].pixel_threshold, - 0xbf84, go->modet[2].pixel_threshold, - 0xbf85, go->modet[3].pixel_threshold, - 0xbf86, go->modet[0].motion_threshold, - 0xbf87, go->modet[1].motion_threshold, - 0xbf88, go->modet[2].motion_threshold, - 0xbf89, go->modet[3].motion_threshold, - 0xbf8a, go->modet[0].mb_threshold, - 0xbf8b, go->modet[1].mb_threshold, - 0xbf8c, go->modet[2].mb_threshold, - 0xbf8d, go->modet[3].mb_threshold, - 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 GO7007_FORMAT_MJPEG: - return gen_mjpeghdr_to_package(go, code, space); - case GO7007_FORMAT_MPEG1: - case GO7007_FORMAT_MPEG2: - return gen_mpeg1hdr_to_package(go, code, space, - framelen); - case GO7007_FORMAT_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 GO7007_FORMAT_MPEG1: - case GO7007_FORMAT_MPEG2: - return seqhead_to_package(go, code, space, - mpeg1_sequence_header); - case GO7007_FORMAT_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); - } - printk(KERN_ERR - "go7007: 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 GO7007_FORMAT_MJPEG: - mode_flag = FLAG_MODE_MJPEG; - break; - case GO7007_FORMAT_MPEG1: - mode_flag = FLAG_MODE_MPEG1; - break; - case GO7007_FORMAT_MPEG2: - mode_flag = FLAG_MODE_MPEG2; - break; - case GO7007_FORMAT_MPEG4: - mode_flag = FLAG_MODE_MPEG4; - break; - default: - return -1; - } - if (request_firmware(&fw_entry, go->board_info->firmware, go->dev)) { - printk(KERN_ERR - "go7007: unable to load firmware from file \"%s\"\n", - go->board_info->firmware); - return -1; - } - code = kzalloc(codespace * 2, GFP_KERNEL); - if (code == NULL) { - printk(KERN_ERR "go7007: unable to allocate %d bytes for " - "firmware construction\n", codespace * 2); - 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) { - printk(KERN_ERR "go7007: firmware file \"%s\" " - "appears to be corrupted\n", - go->board_info->firmware); - 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) { - printk(KERN_ERR "go7007: insufficient " - "memory for firmware " - "construction\n"); - goto fw_failed; - } - i += ret; - } else { - if (codespace - i < chunk_len) { - printk(KERN_ERR "go7007: 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; -} |