--- /dev/null
+/*
+ * 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 -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 == 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 -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)
+ 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 == 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);
Code Review / kvmfornfv.git / blobdiff