1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/testdisp.c	Wed Jan 03 09:05:13 2007 +0000
     1.3 @@ -0,0 +1,166 @@
     1.4 +/**
     1.5 + * $Id: testdisp.c,v 1.1 2007-01-03 09:05:13 nkeynes Exp $
     1.6 + *
     1.7 + * Display (2D) tests. Mainly tests video timing / sync (obviously
     1.8 + * it can't actually test display output since there's no way of
     1.9 + * reading the results)
    1.10 + *
    1.11 + * These tests use TMU2 to determine absolute time
    1.12 + * Copyright (c) 2006 Nathan Keynes.
    1.13 + *
    1.14 + * This program is free software; you can redistribute it and/or modify
    1.15 + * it under the terms of the GNU General Public License as published by
    1.16 + * the Free Software Foundation; either version 2 of the License, or
    1.17 + * (at your option) any later version.
    1.18 + *
    1.19 + * This program is distributed in the hope that it will be useful,
    1.20 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.21 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.22 + * GNU General Public License for more details.
    1.23 + */
    1.24 +#include <stdlib.h>
    1.25 +#include <stdio.h>
    1.26 +#include "lib.h"
    1.27 +#include "asic.h"
    1.28 +
    1.29 +#define PVR_BASE 0xA05F8000
    1.30 +
    1.31 +#define BORDERCOL   (PVR_BASE+0x040)
    1.32 +#define DISPCFG1 (PVR_BASE+0x044)
    1.33 +#define DISPADDR1 (PVR_BASE+0x050)
    1.34 +#define DISPADDR2 (PVR_BASE+0x054)
    1.35 +#define DISPSIZE (PVR_BASE+0x05C)
    1.36 +#define HPOSEVENT (PVR_BASE+0x0C8)
    1.37 +#define VPOSEVENT (PVR_BASE+0x0CC)
    1.38 +#define DISPCFG2 (PVR_BASE+0x0D0)
    1.39 +#define HBORDER (PVR_BASE+0x0D4)
    1.40 +#define VSYNC (PVR_BASE+0x0D8)
    1.41 +#define VBORDER (PVR_BASE+0x0DC)
    1.42 +#define HSYNC (PVR_BASE+0x0E0)
    1.43 +#define DISPCFG3 (PVR_BASE+0x0E8)
    1.44 +#define HPOS     (PVR_BASE+0x0EC)
    1.45 +#define VPOS     (PVR_BASE+0x0F0)
    1.46 +#define SYNCSTAT (PVR_BASE+0x10C)
    1.47 +
    1.48 +#define MAX_FRAME_WAIT 0x10000000
    1.49 +
    1.50 +#define WAIT_LINE( a ) if( wait_line(a) != 0 ) { fprintf(stderr, "Timeout at %s:%d:%s() waiting for line %d\n", __FILE__, __LINE__, __func__, a ); return -1; }
    1.51 +#define WAIT_LASTLINE( a ) if( wait_lastline(a) != 0 ) { fprintf(stderr, "Last line check failed at %s:%d:%s() waiting for line %d\n", __FILE__, __LINE__, __func__, a ); return -1; }
    1.52 +
    1.53 +void dump_display_regs( FILE *out )
    1.54 +{
    1.55 +    fprintf( out, "%08X DISPCFG1:  %08X\n", DISPCFG1, long_read(DISPCFG1) );
    1.56 +    fprintf( out, "%08X DISPCFG2:  %08X\n", DISPCFG2, long_read(DISPCFG2) );
    1.57 +    fprintf( out, "%08X DISPCFG3:  %08X\n", DISPCFG3, long_read(DISPCFG3) );
    1.58 +    fprintf( out, "%08X DISPSIZE:  %08X\n", DISPSIZE, long_read(DISPSIZE) );
    1.59 +    fprintf( out, "%08X HBORDER:   %08X\n", HBORDER, long_read(HBORDER) );
    1.60 +    fprintf( out, "%08X VBORDER:   %08X\n", VBORDER, long_read(VBORDER) );
    1.61 +    fprintf( out, "%08X HSYNC:     %08X\n", HSYNC, long_read(HSYNC) );
    1.62 +    fprintf( out, "%08X VSYNC:     %08X\n", VSYNC, long_read(VSYNC) );
    1.63 +    fprintf( out, "%08X DISPADDR1: %08X\n", DISPADDR1, long_read(DISPADDR1) );
    1.64 +    fprintf( out, "%08X DISPADDR2: %08X\n", DISPADDR2, long_read(DISPADDR2) );
    1.65 +    fprintf( out, "%08X HPOSEVENT: %08X\n", HPOSEVENT, long_read(HPOSEVENT) );
    1.66 +    fprintf( out, "%08X VPOSEVENT: %08X\n", VPOSEVENT, long_read(VPOSEVENT) );
    1.67 +    fprintf( out, "%08X HPOS:      %08X\n", HPOS, long_read(HPOS) );
    1.68 +    fprintf( out, "%08X VPOS:      %08X\n", VPOS, long_read(VPOS) );
    1.69 +    fprintf( out, "%08X SYNCSTAT:  %08X\n", SYNCSTAT, long_read(SYNCSTAT) );
    1.70 +}
    1.71 +
    1.72 +uint32_t pal_settings[] = {
    1.73 +    DISPCFG1, 0x00000001,
    1.74 +    DISPCFG2, 0x00000150,
    1.75 +    DISPCFG3, 0x00160000,
    1.76 +    DISPSIZE, 0x1413BD3F,
    1.77 +    HBORDER, 0x008D034B,
    1.78 +    VBORDER, 0x00120102,
    1.79 +    VSYNC, 0x0270035F,
    1.80 +    HSYNC, 0x07D6A53F,
    1.81 +    HPOS, 0x000000A4,
    1.82 +    VPOS, 0x00120012,
    1.83 +    0, 0 };
    1.84 +
    1.85 +void apply_display_settings( uint32_t *regs ) {
    1.86 +    int i;
    1.87 +    for( i=0; regs[i] != 0; i+=2 ) {
    1.88 +	long_write( regs[i], regs[i+1] );
    1.89 +    }
    1.90 +}
    1.91 +
    1.92 +/**
    1.93 + * Wait until the given line is being displayed (ie is set in the syncstat
    1.94 + * register).
    1.95 + * @return 0 if the line is reached before timeout, otherwise -1.
    1.96 + */
    1.97 +int wait_line( int line )
    1.98 +{
    1.99 +    int i;
   1.100 +    for( i=0; i< MAX_FRAME_WAIT; i++ ) {
   1.101 +	uint32_t sync = long_read(SYNCSTAT) & 0x03FF;
   1.102 +	if( sync == line ) {
   1.103 +	    return 0;
   1.104 +	}
   1.105 +    }
   1.106 +    return -1;
   1.107 +}
   1.108 +
   1.109 +/**
   1.110 + * Wait until just after the last line of the frame is being displayed (according
   1.111 + * to the syncstat register). After this function the current line will be 0.
   1.112 + * @return 0 if the last line is the given line, otherwise -1.
   1.113 + */
   1.114 +int wait_lastline( int line )
   1.115 +{
   1.116 +    int lastline = -1, i;
   1.117 +    for( i=0; i< MAX_FRAME_WAIT; i++ ) {
   1.118 +	uint32_t sync = long_read(SYNCSTAT) & 0x03FF;
   1.119 +	if( sync == 0 && lastline != -1 ) {
   1.120 +	    CHECK_IEQUALS( line, lastline );
   1.121 +	    return 0;
   1.122 +	}
   1.123 +	lastline = sync;
   1.124 +    }
   1.125 +    fprintf( stderr, "Timeout waiting for line %d\n", line );
   1.126 +    return -1;
   1.127 +}
   1.128 +
   1.129 +int test_ntsc_timing() {
   1.130 +    
   1.131 +    return 0;
   1.132 +}
   1.133 +
   1.134 +
   1.135 +int test_pal_timing() 
   1.136 +{
   1.137 +    uint32_t line_time, field_time;
   1.138 +    /* Set PAL display mode */
   1.139 +    apply_display_settings( pal_settings );
   1.140 +
   1.141 +    asic_clear();
   1.142 +
   1.143 +    /* Check basic frame timings: 31.919 us per line, 19.945 ms per field  */
   1.144 +    /* Wait for a line 0 (either frame) */
   1.145 +    WAIT_LINE(0);
   1.146 +    timer_start();
   1.147 +    WAIT_LINE(1);
   1.148 +    line_time = timer_gettime_us();
   1.149 +    WAIT_LASTLINE(624);
   1.150 +    field_time = timer_gettime_us();
   1.151 +    fprintf( stdout, "Line time: %dus, frame time: %dus\n", line_time, field_time );
   1.152 +    // CHECK_IEQUALS( 31, line_time );
   1.153 +    CHECK_IEQUALS( 19949, field_time );
   1.154 +    dump_display_regs( stdout );
   1.155 +    return 0;
   1.156 +}
   1.157 +
   1.158 +
   1.159 +/********************************* Main **************************************/
   1.160 +
   1.161 +typedef int (*test_func_t)();
   1.162 +
   1.163 +test_func_t test_fns[] = { test_ntsc_timing, test_pal_timing,
   1.164 +			   NULL };
   1.165 +
   1.166 +int main() 
   1.167 +{
   1.168 +    return run_tests( test_fns );
   1.169 +}