contrib/saa7134: adds a parser for saa7134 logs

Adds a parser to get saa7134 logs generated by PCI traffic patches,
at contrib/pci_traffic, like:

1286074716 slow_bar_writel: slow_bar_writel addr=0x0000000000000104 val=0x00009090
1286074716 slow_bar_writel: slow_bar_writel addr=0x0000000000000108 val=0x44804098
1286074716 slow_bar_writel: slow_bar_writel addr=0x000000000000010c val=0x2a810040
1286074716 slow_bar_writel: slow_bar_writel addr=0x0000000000000110 val=0x00000006

Converting them into something more easy to read, like:

saa_writel(SAA7134_ANALOG_IN_CTRL3, 0x9090);
saa_writel(SAA7134_SYNC_CTRL, 0x44804098);
saa_writel(SAA7134_DEC_CHROMA_SATURATION, 0x2a810040);
saa_writel(SAA7134_CHROMA_CTRL2, 0x0006);

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

diff --git a/contrib/saa7134/parse_saa7134.pl b/contrib/saa7134/parse_saa7134.pl
new file mode 100755 (executable)
index 0000000..a4695a0
--- /dev/null
+++ b/contrib/saa7134/parse_saa7134.pl
@@ -0,0 +1,153 @@
+#!/usr/bin/perl
+
+#   Copyright (C) 2008 Mauro Carvalho Chehab <mchehab@redhat.com>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation, version 2 of the License.
+#
+#   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.
+#
+
+use strict;
+
+my %reg_map = (
+       0x101 => "SAA7134_INCR_DELAY",
+       0x102 => "SAA7134_ANALOG_IN_CTRL1",
+       0x103 => "SAA7134_ANALOG_IN_CTRL2",
+       0x104 => "SAA7134_ANALOG_IN_CTRL3",
+       0x105 => "SAA7134_ANALOG_IN_CTRL4",
+       0x106 => "SAA7134_HSYNC_START",
+       0x107 => "SAA7134_HSYNC_STOP",
+       0x108 => "SAA7134_SYNC_CTRL",
+       0x109 => "SAA7134_LUMA_CTRL",
+       0x10a => "SAA7134_DEC_LUMA_BRIGHT",
+       0x10b => "SAA7134_DEC_LUMA_CONTRAST",
+       0x10c => "SAA7134_DEC_CHROMA_SATURATION",
+       0x10d => "SAA7134_DEC_CHROMA_HUE",
+       0x10e => "SAA7134_CHROMA_CTRL1",
+       0x10f => "SAA7134_CHROMA_GAIN",
+       0x110 => "SAA7134_CHROMA_CTRL2",
+       0x111 => "SAA7134_MODE_DELAY_CTRL",
+       0x114 => "SAA7134_ANALOG_ADC",
+       0x115 => "SAA7134_VGATE_START",
+       0x116 => "SAA7134_VGATE_STOP",
+       0x117 => "SAA7134_MISC_VGATE_MSB",
+       0x118 => "SAA7134_RAW_DATA_GAIN",
+       0x119 => "SAA7134_RAW_DATA_OFFSET",
+       0x11e => "SAA7134_STATUS_VIDEO1",
+       0x11f => "SAA7134_STATUS_VIDEO2",
+       0x300 => "SAA7134_OFMT_VIDEO_A",
+       0x301 => "SAA7134_OFMT_DATA_A",
+       0x302 => "SAA7134_OFMT_VIDEO_B",
+       0x303 => "SAA7134_OFMT_DATA_B",
+       0x304 => "SAA7134_ALPHA_NOCLIP",
+       0x305 => "SAA7134_ALPHA_CLIP",
+       0x308 => "SAA7134_UV_PIXEL",
+       0x309 => "SAA7134_CLIP_RED",
+       0x30a => "SAA7134_CLIP_GREEN",
+       0x30b => "SAA7134_CLIP_BLUE",
+       0x180 => "SAA7134_I2C_ATTR_STATUS",
+       0x181 => "SAA7134_I2C_DATA",
+       0x182 => "SAA7134_I2C_CLOCK_SELECT",
+       0x183 => "SAA7134_I2C_TIMER",
+       0x140 => "SAA7134_NICAM_ADD_DATA1",
+       0x141 => "SAA7134_NICAM_ADD_DATA2",
+       0x142 => "SAA7134_NICAM_STATUS",
+       0x143 => "SAA7134_AUDIO_STATUS",
+       0x144 => "SAA7134_NICAM_ERROR_COUNT",
+       0x145 => "SAA7134_IDENT_SIF",
+       0x146 => "SAA7134_LEVEL_READOUT1",
+       0x147 => "SAA7134_LEVEL_READOUT2",
+       0x148 => "SAA7134_NICAM_ERROR_LOW",
+       0x149 => "SAA7134_NICAM_ERROR_HIGH",
+       0x14a => "SAA7134_DCXO_IDENT_CTRL",
+       0x14b => "SAA7134_DEMODULATOR",
+       0x14c => "SAA7134_AGC_GAIN_SELECT",
+       0x150 => "SAA7134_CARRIER1_FREQ0",
+       0x151 => "SAA7134_CARRIER1_FREQ1",
+       0x152 => "SAA7134_CARRIER1_FREQ2",
+       0x154 => "SAA7134_CARRIER2_FREQ0",
+       0x155 => "SAA7134_CARRIER2_FREQ1",
+       0x156 => "SAA7134_CARRIER2_FREQ2",
+       0x158 => "SAA7134_NUM_SAMPLES0",
+       0x159 => "SAA7134_NUM_SAMPLES1",
+       0x15a => "SAA7134_NUM_SAMPLES2",
+       0x15b => "SAA7134_AUDIO_FORMAT_CTRL",
+       0x160 => "SAA7134_MONITOR_SELECT",
+       0x161 => "SAA7134_FM_DEEMPHASIS",
+       0x162 => "SAA7134_FM_DEMATRIX",
+       0x163 => "SAA7134_CHANNEL1_LEVEL",
+       0x164 => "SAA7134_CHANNEL2_LEVEL",
+       0x165 => "SAA7134_NICAM_CONFIG",
+       0x166 => "SAA7134_NICAM_LEVEL_ADJUST",
+       0x167 => "SAA7134_STEREO_DAC_OUTPUT_SELECT",
+       0x168 => "SAA7134_I2S_OUTPUT_FORMAT",
+       0x169 => "SAA7134_I2S_OUTPUT_SELECT",
+       0x16a => "SAA7134_I2S_OUTPUT_LEVEL",
+       0x16b => "SAA7134_DSP_OUTPUT_SELECT",
+       0x16c => "SAA7134_AUDIO_MUTE_CTRL",
+       0x16d => "SAA7134_SIF_SAMPLE_FREQ",
+       0x16e => "SAA7134_ANALOG_IO_SELECT",
+       0x170 => "SAA7134_AUDIO_CLOCK0",
+       0x171 => "SAA7134_AUDIO_CLOCK1",
+       0x172 => "SAA7134_AUDIO_CLOCK2",
+       0x173 => "SAA7134_AUDIO_PLL_CTRL",
+       0x174 => "SAA7134_AUDIO_CLOCKS_PER_FIELD0",
+       0x175 => "SAA7134_AUDIO_CLOCKS_PER_FIELD1",
+       0x176 => "SAA7134_AUDIO_CLOCKS_PER_FIELD2",
+       0x190 => "SAA7134_VIDEO_PORT_CTRL0",
+       0x191 => "SAA7134_VIDEO_PORT_CTRL1",
+       0x192 => "SAA7134_VIDEO_PORT_CTRL2",
+       0x193 => "SAA7134_VIDEO_PORT_CTRL3",
+       0x194 => "SAA7134_VIDEO_PORT_CTRL4",
+       0x195 => "SAA7134_VIDEO_PORT_CTRL5",
+       0x196 => "SAA7134_VIDEO_PORT_CTRL6",
+       0x197 => "SAA7134_VIDEO_PORT_CTRL7",
+       0x198 => "SAA7134_VIDEO_PORT_CTRL8",
+       0x1a0 => "SAA7134_TS_PARALLEL",
+       0x1a1 => "SAA7134_TS_PARALLEL_SERIAL",
+       0x1a2 => "SAA7134_TS_SERIAL0",
+       0x1a3 => "SAA7134_TS_SERIAL1",
+       0x1a4 => "SAA7134_TS_DMA0",
+       0x1a5 => "SAA7134_TS_DMA1",
+       0x1a6 => "SAA7134_TS_DMA2",
+       0x1B0 => "SAA7134_GPIO_GPMODE0",
+       0x1B1 => "SAA7134_GPIO_GPMODE1",
+       0x1B2 => "SAA7134_GPIO_GPMODE2",
+       0x1B3 => "SAA7134_GPIO_GPMODE3",
+       0x1B4 => "SAA7134_GPIO_GPSTATUS0",
+       0x1B5 => "SAA7134_GPIO_GPSTATUS1",
+       0x1B6 => "SAA7134_GPIO_GPSTATUS2",
+       0x1B7 => "SAA7134_GPIO_GPSTATUS3",
+       0x1c0 => "SAA7134_I2S_AUDIO_OUTPUT",
+       0x1d0 => "SAA7134_SPECIAL_MODE",
+       0x1d1 => "SAA7134_PRODUCTION_TEST_MODE",
+       0x580 => "SAA7135_DSP_RWSTATE",
+       0x586 => "SAA7135_DSP_RWCLEAR",
+       0x591 => "SAA7133_I2S_AUDIO_CONTROL",
+);
+
+while (<>) {
+       # 1286074716 slow_bar_read.: slow_bar_readl addr=0x0000000000000180 val=0x00008182
+       if (m/^(\d+)\s+slow_bar_(read|write)(.).*addr=([^\s]+)\s+val=([^\s]+)/) {
+               my $time = $1;
+               my $optype = $2;
+               my $op = "$2$3";
+               my $reg = hex($4);
+               my $val = hex($5);
+               if (defined($reg_map{$reg})) {
+                       $reg = $reg_map{$reg};
+               } else {
+                       $reg = sprintf("0x%04x", $reg);
+               }
+               if ($optype eq "read") {
+                       printf ("reg = saa_%s(%s);      /* read 0x%04x */\n", $op, $reg, $val);
+               } else {
+                       printf ("saa_%s(%s, 0x%04x);\n", $op, $reg, $val);
+               }
+       }
+}