diff options
Diffstat (limited to 'drivers/mxc/amd-gpu/platform/hal/linux/gsl_linux_map.h')
-rw-r--r-- | drivers/mxc/amd-gpu/platform/hal/linux/gsl_linux_map.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/mxc/amd-gpu/platform/hal/linux/gsl_linux_map.h b/drivers/mxc/amd-gpu/platform/hal/linux/gsl_linux_map.h new file mode 100644 index 000000000000..0469d2b912be --- /dev/null +++ b/drivers/mxc/amd-gpu/platform/hal/linux/gsl_linux_map.h @@ -0,0 +1,46 @@ +/* Copyright (c) 2008-2010, Advanced Micro Devices. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Advanced Micro Devices nor + * the names of its contributors may be used to endorse or promote + * products derived from this software without specific prior written + * permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef __GSL_LINUX_MAP_H__ +#define __GSL_LINUX_MAP_H__ + +#include "gsl_halconfig.h" + +#define GSL_LINUX_MAP_RANGE_START (1024*1024) +#define GSL_LINUX_MAP_RANGE_END (GSL_LINUX_MAP_RANGE_START+GSL_HAL_SHMEM_SIZE_EMEM1) + +int gsl_linux_map_init(void); +void *gsl_linux_map_alloc(unsigned int gpu_addr, unsigned int size); +void gsl_linux_map_free(unsigned int gpu_addr); +void *gsl_linux_map_find(unsigned int gpu_addr); +void *gsl_linux_map_read(void *dst, unsigned int gpuoffset, unsigned int sizebytes, unsigned int touserspace); +void *gsl_linux_map_write(void *src, unsigned int gpuoffset, unsigned int sizebytes, unsigned int fromuserspace); +void *gsl_linux_map_set(unsigned int gpuoffset, unsigned int value, unsigned int sizebytes); +int gsl_linux_map_destroy(void); + +#endif |