1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ 2 3 /* 4 * Copyright (C) 2012 Rob Clark <robclark (at) 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 (at) 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 40 struct fd_ringbuffer_funcs; 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; 47 const struct fd_ringbuffer_funcs *funcs; 48 uint32_t last_timestamp; 49 struct fd_ringbuffer *parent; 50 }; 51 52 struct fd_ringbuffer * fd_ringbuffer_new(struct fd_pipe *pipe, 53 uint32_t size); 54 void fd_ringbuffer_del(struct fd_ringbuffer *ring); 55 void fd_ringbuffer_set_parent(struct fd_ringbuffer *ring, 56 struct fd_ringbuffer *parent); 57 void fd_ringbuffer_reset(struct fd_ringbuffer *ring); 58 int fd_ringbuffer_flush(struct fd_ringbuffer *ring); 59 /* in_fence_fd: -1 for no in-fence, else fence fd 60 * out_fence_fd: NULL for no output-fence requested, else ptr to return out-fence 61 */ 62 int fd_ringbuffer_flush2(struct fd_ringbuffer *ring, int in_fence_fd, 63 int *out_fence_fd); 64 void fd_ringbuffer_grow(struct fd_ringbuffer *ring, uint32_t ndwords); 65 uint32_t fd_ringbuffer_timestamp(struct fd_ringbuffer *ring); 66 67 static inline void fd_ringbuffer_emit(struct fd_ringbuffer *ring, 68 uint32_t data) 69 { 70 (*ring->cur++) = data; 71 } 72 73 struct fd_reloc { 74 struct fd_bo *bo; 75 #define FD_RELOC_READ 0x0001 76 #define FD_RELOC_WRITE 0x0002 77 uint32_t flags; 78 uint32_t offset; 79 uint32_t or; 80 int32_t shift; 81 uint32_t orhi; /* used for a5xx+ */ 82 }; 83 84 /* NOTE: relocs are 2 dwords on a5xx+ */ 85 86 void fd_ringbuffer_reloc2(struct fd_ringbuffer *ring, const struct fd_reloc *reloc); 87 will_be_deprecated void fd_ringbuffer_reloc(struct fd_ringbuffer *ring, const struct fd_reloc *reloc); 88 will_be_deprecated void fd_ringbuffer_emit_reloc_ring(struct fd_ringbuffer *ring, 89 struct fd_ringmarker *target, struct fd_ringmarker *end); 90 uint32_t fd_ringbuffer_cmd_count(struct fd_ringbuffer *ring); 91 uint32_t fd_ringbuffer_emit_reloc_ring_full(struct fd_ringbuffer *ring, 92 struct fd_ringbuffer *target, uint32_t cmd_idx); 93 94 will_be_deprecated struct fd_ringmarker * fd_ringmarker_new(struct fd_ringbuffer *ring); 95 will_be_deprecated void fd_ringmarker_del(struct fd_ringmarker *marker); 96 will_be_deprecated void fd_ringmarker_mark(struct fd_ringmarker *marker); 97 will_be_deprecated uint32_t fd_ringmarker_dwords(struct fd_ringmarker *start, 98 struct fd_ringmarker *end); 99 will_be_deprecated int fd_ringmarker_flush(struct fd_ringmarker *marker); 100 101 #endif /* FREEDRENO_RINGBUFFER_H_ */ 102
