/**

  * $Id: testta.c,v 1.2 2006-08-02 04:13:15 nkeynes Exp $

  * 

  * Tile Accelerator test cases 

  *

  * Copyright (c) 2006 Nathan Keynes.

  *

  * 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; either version 2 of the License, or

  * (at your option) any later version.

  *

  * 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.

  */

 #include <stdio.h>

 #include "testdata.h"

 #include "pvr.h"

 #include "lib.h"

 #include "asic.h"

 #define DMA_ALIGN(x)   ((void *)((((unsigned int)(x))+0x1F)&0xFFFFFFE0))

 #define OBJ_START 0x00010000

 #define OBJ_LENGTH 0x00010000

 #define TILE_START 0x00060000

 #define TILE_LENGTH 0x00010000

 #define MEM_FILL 0xFE

 int ta_tile_sizes[4] = { 0, 32, 64, 128 };

 #define TILE_SIZE(cfg, tile) ta_tile_sizes[((((cfg->ta_cfg) >> (4*tile))&0x03))]

 struct ta_config default_ta_config = { 0x00111111, GRID_SIZE(640,480), OBJ_START,

 				       OBJ_START+OBJ_LENGTH, TILE_START+TILE_LENGTH,

 				       TILE_START, TILE_START+TILE_LENGTH };

 int tile_sizes[5];

 int tile_events[5] = { EVENT_PVR_OPAQUE_DONE, EVENT_PVR_OPAQUEMOD_DONE,

 		       EVENT_PVR_TRANS_DONE, EVENT_PVR_TRANSMOD_DONE,

 		       EVENT_PVR_PUNCHOUT_DONE };

 char *tile_names[5] = { "Opaque", "Opaque Mod", "Trans", "Trans Mod", "Punch Out" };

 #define FLOAT(p) *((float *)(p))

 void make_expected_buffer( test_data_block_t expected_block, char *expect, int length )

 {

     memset( expect, MEM_FILL,length );

     if( expected_block != NULL ) {

 	if( expected_block->length > length ) {

 	    fprintf( stderr, "Test data error: expected tile length is %d, but tile size is only %d\n", expected_block->length, length );

 	    return;

 	}

 	memcpy( expect, expected_block->data, expected_block->length );

 	if( expected_block->length <= length-4 ) {

 	    *((unsigned int *)&expect[expected_block->length]) = 0xF0000000;

 	}

     }

 }

 int tilematrix_block_compare( test_data_block_t expected_block, char *tile_ptrs[], int tile_type, int offset )

 {

     int tile_size = tile_sizes[tile_type];

     char expect[tile_size];

     make_expected_buffer(expected_block, expect, tile_size);

     return memcmp( expect, tile_ptrs[tile_type]+(offset*tile_sizes[tile_type]), tile_size );

 }

 int test_ta( test_data_t test_case )

 {

     char buf[1024];

     unsigned int *p = DMA_ALIGN(buf);

     unsigned int *data = p;

     int haveFailure = 0;

     int checkedTile[5] = {0,0,0,0,0};

     int i;

     int hsegs,vsegs;

     char *result = (char *)(PVR_VRAM_BASE+OBJ_START);

     char *tilematrix = (char *)(PVR_VRAM_BASE+TILE_START+TILE_LENGTH);

     char *tile_ptrs[5];

     asic_clear();

     memset( PVR_VRAM_BASE, MEM_FILL,  0x00090000 );

     test_data_block_t config_data = get_test_data( test_case, "config" );

     struct ta_config *config = &default_ta_config;

     if( config_data != NULL ) {

 	if( config_data->length != sizeof(struct ta_config) ) {

 	    fprintf( stderr, "Invalid config data length %d - aborting test %s\n",

 		     config_data->length, test_case->test_name );

 	    return -1;

 	}

 	config = (struct ta_config *)config_data->data;

     }

     ta_init(config);

     for( i=0; i<5; i++ ) {

 	tile_sizes[i] = TILE_SIZE(config,i);

     }

     hsegs = (config->grid_size & 0xFFFF)+1;

     vsegs = (config->grid_size >> 16) + 1;

     tile_ptrs[0] = tilematrix;

     tile_ptrs[1] = tile_ptrs[0] + (hsegs*vsegs*tile_sizes[0]);

     tile_ptrs[2] = tile_ptrs[1] + (hsegs*vsegs*tile_sizes[1]);

     tile_ptrs[3] = tile_ptrs[2] + (hsegs*vsegs*tile_sizes[2]);

     tile_ptrs[4] = tile_ptrs[3] + (hsegs*vsegs*tile_sizes[3]);

     test_data_block_t input = get_test_data(test_case, "input");

     test_data_block_t output = get_test_data(test_case, "output");

     test_data_block_t error = get_test_data(test_case, "error");

     if( input == NULL || output == NULL ) {

 	fprintf( stderr, "Skipping test case '%s': data incomplete\n", test_case->test_name );

 	return -1;

     }

     if( pvr_dma_write( 0x10000000, input->data, input->length, 0 ) == -1 ) {

 	return -1;

     }

     if( error != NULL ) {

 	for( i=0; i<error->length; i++ ) {

 	    if( asic_wait( error->data[i] ) == -1 ) {

 		fprintf( stderr, "Test %s: failed (Timeout waiting for error event %d)\n",

 			 test_case->test_name, error->data[i] );

 		asic_dump( stderr );

 		return -1;

 	    }

 	}

     }

     for( i=0; i<MAX_DATA_BLOCKS; i++ ) {

 	test_data_block_t data = &test_case->item[i];

 	int tile, x, y, offset;

 	if( data->name != NULL ) {

 	    int result = sscanf( data->name, "tile %d %dx%d", &tile, &x, &y );

 	    if( result == 1 ) {

 		x = y = 0;

 	    } else if( result != 3 ) {

 		continue;

 	    }

 	    tile--;

 	    offset = x + (y * hsegs);

 	    if( checkedTile[tile] == 0 ) {

 		if( asic_wait( tile_events[tile] ) == -1 ) {

 		    fprintf( stderr, "Test %s: failed (Timeout waiting for %s done event)\n", 

 			     test_case->test_name, tile_names[tile] );

 		    ta_dump_regs();

 		    asic_dump( stderr );

 		    haveFailure = 1;

 		}

 	    }

 	    if( tilematrix_block_compare( data, tile_ptrs, tile, offset ) != 0 ) {

 		fprintf( stderr, "Test %s: Failed (%s matrix %dx%d). ", 

 			 test_case->test_name, tile_names[tile], x, y );

 		fwrite_diff32( stderr, data->data, data->length, 

 			       tile_ptrs[tile] + (tile_sizes[tile]*offset), tile_sizes[tile] );

 		haveFailure = 1;

 	    }

 	    checkedTile[tile] = 1;

 	}

     }

     /* Overflow */

     test_data_block_t plist = get_test_data(test_case, "plist" );

     if( plist != NULL ) {

 	unsigned int plist_posn, plist_end;

 	if( config->ta_cfg & 0x00100000 ) { /* Descending */

 	    plist_posn = pvr_get_plist_posn() + tile_sizes[0];

 	    plist_end = config->plist_start;

 	} else {

 	    plist_posn = config->plist_start;

 	    plist_end = pvr_get_plist_posn();

 	}

 	char *plist_data = (char *)(PVR_VRAM_BASE + plist_posn);

 	if( test_block_compare( plist, plist_data, plist_end-plist_posn ) != 0 ) {

 	    fprintf( stderr, "Test %s: Failed (Plist buffer)", test_case->test_name );

 	    fwrite_diff32( stderr, plist->data, plist->length, (char *)plist_data, 

 			   plist_end - plist_posn );

 	    haveFailure = 1;

 	}

     }

     /* Vertex buffer */

     int result_length = pvr_get_objbuf_size();

     if( test_block_compare( output, result, result_length ) != 0 ) {

 	fprintf( stderr, "Test %s: Failed (Vertex buffer). ", test_case->test_name );

 	fwrite_diff32( stderr, output->data, output->length, result, result_length );

 	haveFailure = 1;

     }

     for( i=0; i<5; i++ ) {

 	if( checkedTile[i] == 0 ) {

 	    if( tilematrix_block_compare( NULL, tile_ptrs, i, 0 ) != 0 ) {

 		fprintf( stderr, "Test %s: Failed (%s matrix). ", test_case->test_name, tile_names[i] );

                 fprintf( stderr, "Expected empty buffer at %08X, but was =>\n", 

 			 (unsigned int)(tile_ptrs[i]) );

 		fwrite_dump( stderr, tile_ptrs[i], tile_sizes[i] );

 		//		fwrite_dump( stderr, tile_ptrs[i] - 128, 256 );

 	    }

 	}

     }

     if( haveFailure )

 	return -1;

     fprintf( stdout, "Test %s: OK\n", test_case->test_name );

     return 0;

 }

 int main( int argc, char *argv[] ) 

 {

     int test_cases = 0;

     int test_failures = 0;

     test_data_t test_data = load_test_dataset(stdin);

     test_data_t test_case = test_data;

     asic_mask_all();

     pvr_init();

     while( test_case != NULL ) {

 	test_cases++;

 	int result = test_ta(test_case);

 	if( result != 0 ) {

 	    test_failures++;

 	}

 	test_case = test_case->next;

     }

     free_test_dataset(test_data);

     if( test_failures != 0 ) {

 	fprintf( stderr, "%d/%d test failures!\n", test_failures, test_cases );

 	return 1;

     } else {

 	fprintf( stderr, "%d tests OK\n", test_cases );

 	return 0;

     }

 }