1 /* Copyright 2024 Advanced Micro Devices, Inc.
2 *
3 * Permission is hereby granted, free of charge, to any person obtaining a
4 * copy of this software and associated documentation files (the "Software"),
5 * to deal in the Software without restriction, including without limitation
6 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
7 * and/or sell copies of the Software, and to permit persons to whom the
8 * Software is furnished to do so, subject to the following conditions:
9 *
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
16 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
17 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
18 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
19 * OTHER DEALINGS IN THE SOFTWARE.
20 *
21 * Authors: AMD
22 *
23 */
24
25 #include "vpe_assert.h"
26 #include "common.h"
27 #include "reg_helper.h"
28 #include "vpe10_vpe_desc_writer.h"
29 #include "vpe11_vpe_desc_writer.h"
30 #include "vpe11_command.h"
31
vpe11_construct_vpe_desc_writer(struct vpe_desc_writer * writer)32 void vpe11_construct_vpe_desc_writer(struct vpe_desc_writer *writer)
33 {
34 writer->init = vpe11_vpe_desc_writer_init;
35 writer->add_plane_desc = vpe10_vpe_desc_writer_add_plane_desc;
36 writer->add_config_desc = vpe10_vpe_desc_writer_add_config_desc;
37 writer->complete = vpe10_vpe_desc_writer_complete;
38 }
39
vpe11_vpe_desc_writer_init(struct vpe_desc_writer * writer,struct vpe_buf * buf,int cd)40 enum vpe_status vpe11_vpe_desc_writer_init(
41 struct vpe_desc_writer *writer, struct vpe_buf *buf, int cd)
42 {
43 uint32_t *cmd_space;
44 uint64_t size = sizeof(uint32_t);
45
46 writer->base_cpu_va = buf->cpu_va;
47 writer->base_gpu_va = buf->gpu_va;
48 writer->buf = buf;
49 writer->num_config_desc = 0;
50 writer->plane_desc_added = false;
51 writer->status = VPE_STATUS_OK;
52
53 if (buf->size < size) {
54 writer->status = VPE_STATUS_BUFFER_OVERFLOW;
55 return writer->status;
56 }
57
58 if (writer->status == VPE_STATUS_OK) {
59 cmd_space = (uint32_t *)(uintptr_t)writer->buf->cpu_va;
60 *cmd_space++ = VPE_DESC_CMD_HEADER(cd);
61
62 writer->buf->cpu_va += size;
63 writer->buf->gpu_va += size;
64 writer->buf->size -= size;
65 }
66
67 return writer->status;
68 }
69
70