Rob Clark | 41fc2cc | 2012-10-07 18:57:31 -0500 | [diff] [blame] | 1 | /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org> |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 7 | * copy of this software and associated documentation files (the "Software"), |
| 8 | * to deal in the Software without restriction, including without limitation |
| 9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 10 | * and/or sell copies of the Software, and to permit persons to whom the |
| 11 | * Software is furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice (including the next |
| 14 | * paragraph) shall be included in all copies or substantial portions of the |
| 15 | * Software. |
| 16 | * |
| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 20 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 23 | * SOFTWARE. |
| 24 | * |
| 25 | * Authors: |
| 26 | * Rob Clark <robclark@freedesktop.org> |
| 27 | */ |
| 28 | |
| 29 | #ifndef FREEDRENO_RINGBUFFER_H_ |
| 30 | #define FREEDRENO_RINGBUFFER_H_ |
| 31 | |
| 32 | #include <freedreno_drmif.h> |
| 33 | |
| 34 | /* the ringbuffer object is not opaque so that OUT_RING() type stuff |
| 35 | * can be inlined. Note that users should not make assumptions about |
| 36 | * the size of this struct.. more stuff will be added when we eventually |
| 37 | * have a kernel driver that can deal w/ reloc's.. |
| 38 | */ |
| 39 | |
Rob Clark | b2b1885 | 2013-07-10 15:20:04 -0400 | [diff] [blame] | 40 | struct fd_ringbuffer_funcs; |
Rob Clark | 41fc2cc | 2012-10-07 18:57:31 -0500 | [diff] [blame] | 41 | struct fd_ringmarker; |
| 42 | |
| 43 | struct fd_ringbuffer { |
| 44 | int size; |
| 45 | uint32_t *cur, *end, *start, *last_start; |
| 46 | struct fd_pipe *pipe; |
Rob Clark | b2b1885 | 2013-07-10 15:20:04 -0400 | [diff] [blame] | 47 | struct fd_ringbuffer_funcs *funcs; |
Rob Clark | 41fc2cc | 2012-10-07 18:57:31 -0500 | [diff] [blame] | 48 | uint32_t last_timestamp; |
| 49 | }; |
| 50 | |
Rob Clark | 41fc2cc | 2012-10-07 18:57:31 -0500 | [diff] [blame] | 51 | struct fd_ringbuffer * fd_ringbuffer_new(struct fd_pipe *pipe, |
| 52 | uint32_t size); |
| 53 | void fd_ringbuffer_del(struct fd_ringbuffer *ring); |
| 54 | void fd_ringbuffer_reset(struct fd_ringbuffer *ring); |
| 55 | int fd_ringbuffer_flush(struct fd_ringbuffer *ring); |
| 56 | uint32_t fd_ringbuffer_timestamp(struct fd_ringbuffer *ring); |
| 57 | |
| 58 | static inline void fd_ringbuffer_emit(struct fd_ringbuffer *ring, |
| 59 | uint32_t data) |
| 60 | { |
| 61 | (*ring->cur++) = data; |
| 62 | } |
| 63 | |
Rob Clark | b2b1885 | 2013-07-10 15:20:04 -0400 | [diff] [blame] | 64 | struct fd_reloc { |
| 65 | struct fd_bo *bo; |
| 66 | #define FD_RELOC_READ 0x0001 |
| 67 | #define FD_RELOC_WRITE 0x0002 |
| 68 | uint32_t flags; |
| 69 | uint32_t offset; |
| 70 | uint32_t or; |
| 71 | int32_t shift; |
| 72 | }; |
| 73 | |
| 74 | void fd_ringbuffer_reloc(struct fd_ringbuffer *ring, const struct fd_reloc *reloc); |
Rob Clark | 41fc2cc | 2012-10-07 18:57:31 -0500 | [diff] [blame] | 75 | void fd_ringbuffer_emit_reloc_ring(struct fd_ringbuffer *ring, |
Rob Clark | b2b1885 | 2013-07-10 15:20:04 -0400 | [diff] [blame] | 76 | struct fd_ringmarker *target, struct fd_ringmarker *end); |
Rob Clark | 41fc2cc | 2012-10-07 18:57:31 -0500 | [diff] [blame] | 77 | |
| 78 | struct fd_ringmarker * fd_ringmarker_new(struct fd_ringbuffer *ring); |
| 79 | void fd_ringmarker_del(struct fd_ringmarker *marker); |
| 80 | void fd_ringmarker_mark(struct fd_ringmarker *marker); |
| 81 | uint32_t fd_ringmarker_dwords(struct fd_ringmarker *start, |
| 82 | struct fd_ringmarker *end); |
| 83 | int fd_ringmarker_flush(struct fd_ringmarker *marker); |
| 84 | |
| 85 | #endif /* FREEDRENO_RINGBUFFER_H_ */ |