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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5078 | serge | 1 | /* |
| 2 | * Copyright 2013 Advanced Micro Devices, Inc. |
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| 3 | * |
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| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 5 | * copy of this software and associated documentation files (the "Software"), |
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| 6 | * to deal in the Software without restriction, including without limitation |
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| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 9 | * Software is furnished to do so, subject to the following conditions: |
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| 10 | * |
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| 11 | * The above copyright notice and this permission notice shall be included in |
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| 12 | * all copies or substantial portions of the Software. |
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| 13 | * |
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| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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| 18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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| 19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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| 20 | * OTHER DEALINGS IN THE SOFTWARE. |
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| 21 | * |
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| 22 | * Authors: Christian König |
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| 23 | */ |
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| 24 | |||
| 25 | #include |
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| 26 | #include "radeon.h" |
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| 27 | #include "radeon_asic.h" |
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| 28 | #include "nid.h" |
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| 29 | |||
| 30 | /** |
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| 31 | * uvd_v3_1_semaphore_emit - emit semaphore command |
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| 32 | * |
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| 33 | * @rdev: radeon_device pointer |
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| 34 | * @ring: radeon_ring pointer |
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| 35 | * @semaphore: semaphore to emit commands for |
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| 36 | * @emit_wait: true if we should emit a wait command |
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| 37 | * |
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| 38 | * Emit a semaphore command (either wait or signal) to the UVD ring. |
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| 39 | */ |
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| 40 | bool uvd_v3_1_semaphore_emit(struct radeon_device *rdev, |
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| 41 | struct radeon_ring *ring, |
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| 42 | struct radeon_semaphore *semaphore, |
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| 43 | bool emit_wait) |
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| 44 | { |
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| 45 | uint64_t addr = semaphore->gpu_addr; |
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| 46 | |||
| 47 | radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_LOW, 0)); |
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| 48 | radeon_ring_write(ring, (addr >> 3) & 0x000FFFFF); |
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| 49 | |||
| 50 | radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_HIGH, 0)); |
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| 51 | radeon_ring_write(ring, (addr >> 23) & 0x000FFFFF); |
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| 52 | |||
| 53 | radeon_ring_write(ring, PACKET0(UVD_SEMA_CMD, 0)); |
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| 54 | radeon_ring_write(ring, 0x80 | (emit_wait ? 1 : 0)); |
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| 55 | |||
| 56 | return true; |
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| 57 | } |