tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright (c) 2016 MediaTek Inc.
3 * Author: Daniel Hsiao <daniel.hsiao@mediatek.com>
4 * Jungchang Tsao <jungchang.tsao@mediatek.com>
5 * Tiffany Lin <tiffany.lin@mediatek.com>
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 */
17
18#include <linux/interrupt.h>
19#include <linux/kernel.h>
20#include <linux/slab.h>
21
22#include "venc_drv_base.h"
23#include "venc_drv_if.h"
24
25#include "mtk_vcodec_enc.h"
26#include "mtk_vcodec_enc_pm.h"
27#include "mtk_vpu.h"
28
29struct venc_common_if *get_h264_enc_comm_if(void);
30struct venc_common_if *get_vp8_enc_comm_if(void);
31
32int venc_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc)
33{
34 int ret = 0;
35
36 switch (fourcc) {
37 case V4L2_PIX_FMT_VP8:
38 ctx->enc_if = get_vp8_enc_comm_if();
39 break;
40 case V4L2_PIX_FMT_H264:
41 ctx->enc_if = get_h264_enc_comm_if();
42 break;
43 default:
44 return -EINVAL;
45 }
46
47 mtk_venc_lock(ctx);
48 mtk_vcodec_enc_clock_on(&ctx->dev->pm);
49 ret = ctx->enc_if->init(ctx, (unsigned long *)&ctx->drv_handle);
50 mtk_vcodec_enc_clock_off(&ctx->dev->pm);
51 mtk_venc_unlock(ctx);
52
53 return ret;
54}
55
56int venc_if_set_param(struct mtk_vcodec_ctx *ctx,
57 enum venc_set_param_type type, struct venc_enc_param *in)
58{
59 int ret = 0;
60
61 mtk_venc_lock(ctx);
62 mtk_vcodec_enc_clock_on(&ctx->dev->pm);
63 ret = ctx->enc_if->set_param(ctx->drv_handle, type, in);
64 mtk_vcodec_enc_clock_off(&ctx->dev->pm);
65 mtk_venc_unlock(ctx);
66
67 return ret;
68}
69
70int venc_if_encode(struct mtk_vcodec_ctx *ctx,
71 enum venc_start_opt opt, struct venc_frm_buf *frm_buf,
72 struct mtk_vcodec_mem *bs_buf,
73 struct venc_done_result *result)
74{
75 int ret = 0;
76 unsigned long flags;
77
78 mtk_venc_lock(ctx);
79
80 spin_lock_irqsave(&ctx->dev->irqlock, flags);
81 ctx->dev->curr_ctx = ctx;
82 spin_unlock_irqrestore(&ctx->dev->irqlock, flags);
83
84 mtk_vcodec_enc_clock_on(&ctx->dev->pm);
85 ret = ctx->enc_if->encode(ctx->drv_handle, opt, frm_buf,
86 bs_buf, result);
87 mtk_vcodec_enc_clock_off(&ctx->dev->pm);
88
89 spin_lock_irqsave(&ctx->dev->irqlock, flags);
90 ctx->dev->curr_ctx = NULL;
91 spin_unlock_irqrestore(&ctx->dev->irqlock, flags);
92
93 mtk_venc_unlock(ctx);
94 return ret;
95}
96
97int venc_if_deinit(struct mtk_vcodec_ctx *ctx)
98{
99 int ret = 0;
100
101 if (ctx->drv_handle == 0)
102 return 0;
103
104 mtk_venc_lock(ctx);
105 mtk_vcodec_enc_clock_on(&ctx->dev->pm);
106 ret = ctx->enc_if->deinit(ctx->drv_handle);
107 mtk_vcodec_enc_clock_off(&ctx->dev->pm);
108 mtk_venc_unlock(ctx);
109
110 ctx->drv_handle = 0;
111
112 return ret;
113}