filename | test/asic.c |
changeset | 193:31151fcc3cb7 |
prev | 185:6755a04c447f |
next | 561:533f6b478071 |
author | nkeynes |
date | Sun Jan 28 11:36:00 2007 +0000 (17 years ago) |
permissions | -rw-r--r-- |
last change | Invalidate palette textures when the palette changes (fixes a few texture bugs) Fix odd/even selection in pvr2_display_frame |
file | annotate | diff | log | raw |
nkeynes@185 | 1 | /** |
nkeynes@193 | 2 | * $Id: asic.c,v 1.2 2006-08-04 01:38:30 nkeynes Exp $ |
nkeynes@185 | 3 | * |
nkeynes@185 | 4 | * General ASIC support code |
nkeynes@185 | 5 | * |
nkeynes@185 | 6 | * Copyright (c) 2006 Nathan Keynes. |
nkeynes@185 | 7 | * |
nkeynes@185 | 8 | * This program is free software; you can redistribute it and/or modify |
nkeynes@185 | 9 | * it under the terms of the GNU General Public License as published by |
nkeynes@185 | 10 | * the Free Software Foundation; either version 2 of the License, or |
nkeynes@185 | 11 | * (at your option) any later version. |
nkeynes@185 | 12 | * |
nkeynes@185 | 13 | * This program is distributed in the hope that it will be useful, |
nkeynes@185 | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
nkeynes@185 | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
nkeynes@185 | 16 | * GNU General Public License for more details. |
nkeynes@185 | 17 | */ |
nkeynes@185 | 18 | |
nkeynes@185 | 19 | #include "lib.h" |
nkeynes@185 | 20 | |
nkeynes@185 | 21 | #define ASIC_BASE 0xA05F6000 |
nkeynes@185 | 22 | #define ASIC_PIRQ(n) (ASIC_BASE + 0x900 + (n<<2)) |
nkeynes@185 | 23 | #define ASIC_IRQA(n) (ASIC_BASE + 0x910 + (n<<2)) |
nkeynes@185 | 24 | #define ASIC_IRQB(n) (ASIC_BASE + 0x920 + (n<<2)) |
nkeynes@185 | 25 | #define ASIC_IRQC(n) (ASIC_BASE + 0x930 + (n<<2)) |
nkeynes@185 | 26 | #define TIMEOUT 10000000 |
nkeynes@185 | 27 | |
nkeynes@185 | 28 | /** |
nkeynes@185 | 29 | * Wait for an ASIC event. |
nkeynes@185 | 30 | * @return 0 if the event occurred, otherwise -1 if the wait timed out. |
nkeynes@185 | 31 | */ |
nkeynes@185 | 32 | int asic_wait( int event ) |
nkeynes@185 | 33 | { |
nkeynes@185 | 34 | int n = event >> 5; |
nkeynes@185 | 35 | unsigned int mask = (1<< (event&0x1f)); |
nkeynes@185 | 36 | int i; |
nkeynes@185 | 37 | for( i=0; i<TIMEOUT; i++ ) { |
nkeynes@185 | 38 | if( long_read(ASIC_PIRQ(n)) & mask ) { |
nkeynes@185 | 39 | return 0; |
nkeynes@185 | 40 | } |
nkeynes@185 | 41 | } |
nkeynes@185 | 42 | return -1; /* Timeout */ |
nkeynes@185 | 43 | } |
nkeynes@185 | 44 | |
nkeynes@185 | 45 | /** |
nkeynes@185 | 46 | * Clear all asic events |
nkeynes@185 | 47 | */ |
nkeynes@185 | 48 | void asic_clear() |
nkeynes@185 | 49 | { |
nkeynes@185 | 50 | long_write(ASIC_PIRQ(0), 0xFFFFFFFF); |
nkeynes@185 | 51 | long_write(ASIC_PIRQ(1), 0xFFFFFFFF); |
nkeynes@185 | 52 | long_write(ASIC_PIRQ(2), 0xFFFFFFFF); |
nkeynes@185 | 53 | } |
nkeynes@185 | 54 | |
nkeynes@193 | 55 | int asic_check( int event ) |
nkeynes@193 | 56 | { |
nkeynes@193 | 57 | int n = event >> 5; |
nkeynes@193 | 58 | unsigned int mask = (1<< (event&0x1f)); |
nkeynes@193 | 59 | return (long_read(ASIC_PIRQ(n)) & mask) != 0; |
nkeynes@193 | 60 | } |
nkeynes@193 | 61 | |
nkeynes@185 | 62 | void asic_mask_all() |
nkeynes@185 | 63 | { |
nkeynes@185 | 64 | long_write(ASIC_IRQA(0), 0); |
nkeynes@185 | 65 | long_write(ASIC_IRQA(1), 0); |
nkeynes@185 | 66 | long_write(ASIC_IRQA(2), 0); |
nkeynes@185 | 67 | long_write(ASIC_IRQB(0), 0); |
nkeynes@185 | 68 | long_write(ASIC_IRQB(1), 0); |
nkeynes@185 | 69 | long_write(ASIC_IRQB(2), 0); |
nkeynes@185 | 70 | long_write(ASIC_IRQC(0), 0); |
nkeynes@185 | 71 | long_write(ASIC_IRQC(1), 0); |
nkeynes@185 | 72 | long_write(ASIC_IRQC(2), 0); |
nkeynes@185 | 73 | } |
nkeynes@185 | 74 | |
nkeynes@185 | 75 | /** |
nkeynes@185 | 76 | * Print the contents of the ASIC event registers to the supplied FILE |
nkeynes@185 | 77 | */ |
nkeynes@185 | 78 | void asic_dump( FILE *f ) |
nkeynes@185 | 79 | { |
nkeynes@185 | 80 | int i,j; |
nkeynes@185 | 81 | fprintf( f, "Events: " ); |
nkeynes@185 | 82 | for( i=0; i<3; i++ ) { |
nkeynes@185 | 83 | uint32_t val = long_read(ASIC_PIRQ(i)); |
nkeynes@185 | 84 | for( j=0; j<32; j++ ) { |
nkeynes@185 | 85 | if( val & (1<<j) ) { |
nkeynes@185 | 86 | fprintf( f, "%d ", (i<<5)+j ); |
nkeynes@185 | 87 | } |
nkeynes@185 | 88 | } |
nkeynes@185 | 89 | } |
nkeynes@185 | 90 | fprintf( f, "\n" ); |
nkeynes@185 | 91 | } |
.