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Diffstat (limited to 'lib/amdgpu/amd_sdma.h')
| -rw-r--r-- | lib/amdgpu/amd_sdma.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/lib/amdgpu/amd_sdma.h b/lib/amdgpu/amd_sdma.h new file mode 100644 index 00000000..b8ed93aa --- /dev/null +++ b/lib/amdgpu/amd_sdma.h @@ -0,0 +1,102 @@ +/* + * Copyright 2014 Advanced Micro Devices, Inc. + * Copyright 2022 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 AMD_SDMA_H +#define AMD_SDMA_H + +#define SDMA_PKT_HEADER_op_offset 0 +#define SDMA_PKT_HEADER_op_mask 0x000000FF +#define SDMA_PKT_HEADER_op_shift 0 +#define SDMA_PKT_HEADER_OP(x) (((x) & SDMA_PKT_HEADER_op_mask) << SDMA_PKT_HEADER_op_shift) +#define SDMA_OPCODE_CONSTANT_FILL 11 +# define SDMA_CONSTANT_FILL_EXTRA_SIZE(x) ((x) << 14) + /* 0 = byte fill + * 2 = DW fill + */ +#define SDMA_PACKET(op, sub_op, e) ((((e) & 0xFFFF) << 16) | \ + (((sub_op) & 0xFF) << 8) | \ + (((op) & 0xFF) << 0)) +#define SDMA_OPCODE_WRITE 2 +# define SDMA_WRITE_SUB_OPCODE_LINEAR 0 +# define SDMA_WRTIE_SUB_OPCODE_TILED 1 + +#define SDMA_OPCODE_COPY 1 +# define SDMA_COPY_SUB_OPCODE_LINEAR 0 + +#define SDMA_NOP 0x0 + + + +/* taken from basic_tests.c and amdgpu_stress.c */ + +#define SDMA_PACKET_SI(op, b, t, s, cnt) ((((op) & 0xF) << 28) | \ + (((b) & 0x1) << 26) | \ + (((t) & 0x1) << 23) | \ + (((s) & 0x1) << 22) | \ + (((cnt) & 0xFFFFF) << 0)) +#define SDMA_OPCODE_COPY_SI 3 + + +#define SDMA_OPCODE_ATOMIC 10 +# define SDMA_ATOMIC_LOOP(x) ((x) << 0) + /* 0 - single_pass_atomic. + * 1 - loop_until_compare_satisfied. + */ +# define SDMA_ATOMIC_TMZ(x) ((x) << 2) + /* 0 - non-TMZ. + * 1 - TMZ. + */ +# define SDMA_ATOMIC_OPCODE(x) ((x) << 9) + /* TC_OP_ATOMIC_CMPSWAP_RTN_32 0x00000008 + * same as Packet 3 + */ +#define SDMA_PACKET_SI(op, b, t, s, cnt) ((((op) & 0xF) << 28) | \ + (((b) & 0x1) << 26) | \ + (((t) & 0x1) << 23) | \ + (((s) & 0x1) << 22) | \ + (((cnt) & 0xFFFFF) << 0)) +#define SDMA_OPCODE_COPY_SI 3 +#define SDMA_OPCODE_CONSTANT_FILL_SI 13 +#define SDMA_NOP_SI 0xf +#define GFX_COMPUTE_NOP_SI 0x80000000 +#define PACKET3_DMA_DATA_SI 0x41 +# define PACKET3_DMA_DATA_SI_ENGINE(x) ((x) << 27) + /* 0 - ME + * 1 - PFP + */ +# define PACKET3_DMA_DATA_SI_DST_SEL(x) ((x) << 20) + /* 0 - DST_ADDR using DAS + * 1 - GDS + * 3 - DST_ADDR using L2 + */ +# define PACKET3_DMA_DATA_SI_SRC_SEL(x) ((x) << 29) + /* 0 - SRC_ADDR using SAS + * 1 - GDS + * 2 - DATA + * 3 - SRC_ADDR using L2 + */ +# define PACKET3_DMA_DATA_SI_CP_SYNC (1 << 31) + +#endif |