1/*
2 * Copyright (C) 2012-2018 Rob Clark <robclark@freedesktop.org>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 *
23 * Authors:
24 *    Rob Clark <robclark@freedesktop.org>
25 */
26
27#include <assert.h>
28
29#include "freedreno_drmif.h"
30#include "freedreno_ringbuffer.h"
31#include "freedreno_priv.h"
32
33struct fd_submit *
34fd_submit_new(struct fd_pipe *pipe)
35{
36	return pipe->funcs->submit_new(pipe);
37}
38
39void
40fd_submit_del(struct fd_submit *submit)
41{
42	return submit->funcs->destroy(submit);
43}
44
45int
46fd_submit_flush(struct fd_submit *submit, int in_fence_fd, int *out_fence_fd,
47		uint32_t *out_fence)
48{
49	return submit->funcs->flush(submit, in_fence_fd, out_fence_fd, out_fence);
50}
51
52struct fd_ringbuffer *
53fd_submit_new_ringbuffer(struct fd_submit *submit, uint32_t size,
54		enum fd_ringbuffer_flags flags)
55{
56	debug_assert(!(flags & _FD_RINGBUFFER_OBJECT));
57	if (flags & FD_RINGBUFFER_STREAMING) {
58		debug_assert(!(flags & FD_RINGBUFFER_GROWABLE));
59		debug_assert(!(flags & FD_RINGBUFFER_PRIMARY));
60	}
61	return submit->funcs->new_ringbuffer(submit, size, flags);
62}
63
64struct fd_ringbuffer *
65fd_ringbuffer_new_object(struct fd_pipe *pipe, uint32_t size)
66{
67	return pipe->funcs->ringbuffer_new_object(pipe, size);
68}
69
70void fd_ringbuffer_del(struct fd_ringbuffer *ring)
71{
72	if (!atomic_dec_and_test(&ring->refcnt))
73		return;
74
75	ring->funcs->destroy(ring);
76}
77
78struct fd_ringbuffer *
79fd_ringbuffer_ref(struct fd_ringbuffer *ring)
80{
81	p_atomic_inc(&ring->refcnt);
82	return ring;
83}
84
85void fd_ringbuffer_grow(struct fd_ringbuffer *ring, uint32_t ndwords)
86{
87	assert(ring->funcs->grow);     /* unsupported on kgsl */
88
89	/* there is an upper bound on IB size, which appears to be 0x100000 */
90	if (ring->size < 0x100000)
91		ring->size *= 2;
92
93	ring->funcs->grow(ring, ring->size);
94}
95
96void fd_ringbuffer_reloc(struct fd_ringbuffer *ring,
97				     const struct fd_reloc *reloc)
98{
99	ring->funcs->emit_reloc(ring, reloc);
100}
101
102uint32_t fd_ringbuffer_cmd_count(struct fd_ringbuffer *ring)
103{
104	if (!ring->funcs->cmd_count)
105		return 1;
106	return ring->funcs->cmd_count(ring);
107}
108
109uint32_t
110fd_ringbuffer_emit_reloc_ring_full(struct fd_ringbuffer *ring,
111		struct fd_ringbuffer *target, uint32_t cmd_idx)
112{
113	return ring->funcs->emit_reloc_ring(ring, target, cmd_idx);
114}
115