mirror of
				https://github.com/torvalds/linux.git
				synced 2025-11-04 02:30:34 +02:00 
			
		
		
		
	This adds the non-asic specific core driver code. v2: remove extra kconfig option v3: implement minor fixes from Fengguang Wu v4: fix cast in amdgpu_ucode.c Acked-by: Christian König <christian.koenig@amd.com> Acked-by: Jammy Zhou <Jammy.Zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
		
			
				
	
	
		
			72 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			72 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 * Copyright 2014 Advanced Micro Devices, Inc.
 | 
						|
 *
 | 
						|
 * Permission is hereby granted, free of charge, to any person obtaining a
 | 
						|
 * copy of this software and associated documentation files (the "Software"),
 | 
						|
 * to deal in the Software without restriction, including without limitation
 | 
						|
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 | 
						|
 * and/or sell copies of the Software, and to permit persons to whom the
 | 
						|
 * Software is furnished to do so, subject to the following conditions:
 | 
						|
 *
 | 
						|
 * The above copyright notice and this permission notice shall be included in
 | 
						|
 * all copies or substantial portions of the Software.
 | 
						|
 *
 | 
						|
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 | 
						|
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 | 
						|
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 | 
						|
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 | 
						|
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 | 
						|
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 | 
						|
 * OTHER DEALINGS IN THE SOFTWARE.
 | 
						|
 *
 | 
						|
 */
 | 
						|
 | 
						|
#ifndef __AMDGPU_GDS_H__
 | 
						|
#define __AMDGPU_GDS_H__
 | 
						|
 | 
						|
/* Because TTM request that alloacted buffer should be PAGE_SIZE aligned,
 | 
						|
 * we should report GDS/GWS/OA size as PAGE_SIZE aligned
 | 
						|
 * */
 | 
						|
#define AMDGPU_GDS_SHIFT	2
 | 
						|
#define AMDGPU_GWS_SHIFT	PAGE_SHIFT
 | 
						|
#define AMDGPU_OA_SHIFT		PAGE_SHIFT
 | 
						|
 | 
						|
#define AMDGPU_PL_GDS		TTM_PL_PRIV0
 | 
						|
#define AMDGPU_PL_GWS		TTM_PL_PRIV1
 | 
						|
#define AMDGPU_PL_OA		TTM_PL_PRIV2
 | 
						|
 | 
						|
#define AMDGPU_PL_FLAG_GDS		TTM_PL_FLAG_PRIV0
 | 
						|
#define AMDGPU_PL_FLAG_GWS		TTM_PL_FLAG_PRIV1
 | 
						|
#define AMDGPU_PL_FLAG_OA		TTM_PL_FLAG_PRIV2
 | 
						|
 | 
						|
struct amdgpu_ring;
 | 
						|
struct amdgpu_bo;
 | 
						|
 | 
						|
struct amdgpu_gds_asic_info {
 | 
						|
	uint32_t 	total_size;
 | 
						|
	uint32_t	gfx_partition_size;
 | 
						|
	uint32_t	cs_partition_size;
 | 
						|
};
 | 
						|
 | 
						|
struct amdgpu_gds {
 | 
						|
	struct amdgpu_gds_asic_info	mem;
 | 
						|
	struct amdgpu_gds_asic_info	gws;
 | 
						|
	struct amdgpu_gds_asic_info	oa;
 | 
						|
	/* At present, GDS, GWS and OA resources for gfx (graphics) 
 | 
						|
	 * is always pre-allocated and available for graphics operation. 
 | 
						|
	 * Such resource is shared between all gfx clients.
 | 
						|
	 * TODO: move this operation to user space
 | 
						|
	 * */
 | 
						|
	struct amdgpu_bo*		gds_gfx_bo;
 | 
						|
	struct amdgpu_bo*		gws_gfx_bo;
 | 
						|
	struct amdgpu_bo*		oa_gfx_bo;
 | 
						|
};
 | 
						|
 | 
						|
struct amdgpu_gds_reg_offset {
 | 
						|
	uint32_t	mem_base;
 | 
						|
	uint32_t	mem_size;
 | 
						|
	uint32_t	gws;
 | 
						|
	uint32_t	oa;
 | 
						|
};
 | 
						|
 | 
						|
#endif /* __AMDGPU_GDS_H__ */
 |