146 lines
4.5 KiB
C
146 lines
4.5 KiB
C
/*
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* Copyright (c) 2012,
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* Texas Instruments, Inc. and Vivante Corporation
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Texas Instruments, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL TEXAS INSTRUMENTS, INC. BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef GCMAIN_H
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#define GCMAIN_H
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <string.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include <gcx.h>
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#include <gcioctl.h>
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#include <bltsville.h>
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#include <bvinternal.h>
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#include <bverror.h>
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#define GC_DEV_NAME "gc2duser"
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/*******************************************************************************
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* Miscellaneous macros.
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*/
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/* Not present in userspace bltsville headers */
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#define BVAT_PHYSDESC 0xDEADBEEF
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#define gcalloc(type, size) \
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(type *) malloc(size)
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#define gcfree(ptr) \
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free(ptr)
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#define max(x, y) (x > y ? x : y)
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#define min(x, y) (x < y ? x : y)
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#define EXPORT_SYMBOL(sym)
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#define gc_debug_blt(...)
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typedef int64_t s64;
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typedef uint64_t u64;
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#define div_u64(x, y) ((x) / (y))
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#define div_s64(x, y) ((x) / (y))
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#define div64_u64(x, y) ((x) / (y))
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#define div64_s64(x, y) ((x) / (y))
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#undef PAGE_SIZE
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#undef PAGE_MASK
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#define PAGE_SHIFT 12
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#define PAGE_SIZE (1 << PAGE_SHIFT)
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#define PAGE_MASK (~(PAGE_SIZE-1))
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/*******************************************************************************
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* Not defined in bltsville userspace headers.
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*/
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struct bvphysdesc {
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unsigned int structsize; /* used to identify struct version */
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unsigned long pagesize; /* page size in bytes */
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unsigned long *pagearray; /* array of physical pages */
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unsigned int pagecount; /* number of pages in the pagearray */
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unsigned long pageoffset; /* page offset in bytes */
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};
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/*******************************************************************************
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* IOCTL wrappers.
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*/
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void gc_getcaps_wrapper(struct gcicaps *gcicaps);
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void gc_map_wrapper(struct gcimap *gcimap);
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void gc_unmap_wrapper(struct gcimap *gcimap);
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void gc_commit_wrapper(struct gcicommit *gcicommit);
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void gc_callback_wrapper(struct gcicallbackarm *gcicallbackarm);
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/*******************************************************************************
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* Surface allocation.
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*/
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enum bverror allocate_surface(struct bvbuffdesc **bvbuffdesc,
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void **buffer,
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unsigned int size);
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void free_surface(struct bvbuffdesc *bvbuffdesc,
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void *buffer);
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/*******************************************************************************
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* Floating point conversions.
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*/
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unsigned char gcfp2norm8(float value);
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/*******************************************************************************
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* Cache operation wrapper.
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*/
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enum bverror gcbvcacheop(int count, struct c2dmrgn rgn[],
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enum bvcacheop cacheop);
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/*******************************************************************************
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* BLTsville API.
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*/
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void bv_init(void);
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void bv_exit(void);
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enum bverror bv_map(struct bvbuffdesc *buffdesc);
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enum bverror bv_unmap(struct bvbuffdesc *buffdesc);
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enum bverror bv_blt(struct bvbltparams *bltparams);
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enum bverror bv_cache(struct bvcopparams *copparams);
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#endif
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