1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (c) 2016 MediaTek Inc.
4 * Author: Daniel Hsiao <daniel.hsiao@mediatek.com>
5 * Jungchang Tsao <jungchang.tsao@mediatek.com>
6 * Tiffany Lin <tiffany.lin@mediatek.com>
7 */
8
9 #include <linux/interrupt.h>
10 #include <linux/kernel.h>
11 #include <linux/slab.h>
12
13 #include "venc_drv_base.h"
14 #include "venc_drv_if.h"
15
16 #include "mtk_vcodec_enc.h"
17 #include "mtk_vcodec_enc_pm.h"
18
venc_if_init(struct mtk_vcodec_ctx * ctx,unsigned int fourcc)19 int venc_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc)
20 {
21 int ret = 0;
22
23 switch (fourcc) {
24 case V4L2_PIX_FMT_VP8:
25 ctx->enc_if = &venc_vp8_if;
26 break;
27 case V4L2_PIX_FMT_H264:
28 ctx->enc_if = &venc_h264_if;
29 break;
30 default:
31 return -EINVAL;
32 }
33
34 mtk_venc_lock(ctx);
35 mtk_vcodec_enc_clock_on(&ctx->dev->pm);
36 ret = ctx->enc_if->init(ctx);
37 mtk_vcodec_enc_clock_off(&ctx->dev->pm);
38 mtk_venc_unlock(ctx);
39
40 return ret;
41 }
42
venc_if_set_param(struct mtk_vcodec_ctx * ctx,enum venc_set_param_type type,struct venc_enc_param * in)43 int venc_if_set_param(struct mtk_vcodec_ctx *ctx,
44 enum venc_set_param_type type, struct venc_enc_param *in)
45 {
46 int ret = 0;
47
48 mtk_venc_lock(ctx);
49 mtk_vcodec_enc_clock_on(&ctx->dev->pm);
50 ret = ctx->enc_if->set_param(ctx->drv_handle, type, in);
51 mtk_vcodec_enc_clock_off(&ctx->dev->pm);
52 mtk_venc_unlock(ctx);
53
54 return ret;
55 }
56
venc_if_encode(struct mtk_vcodec_ctx * ctx,enum venc_start_opt opt,struct venc_frm_buf * frm_buf,struct mtk_vcodec_mem * bs_buf,struct venc_done_result * result)57 int venc_if_encode(struct mtk_vcodec_ctx *ctx,
58 enum venc_start_opt opt, struct venc_frm_buf *frm_buf,
59 struct mtk_vcodec_mem *bs_buf,
60 struct venc_done_result *result)
61 {
62 int ret = 0;
63 unsigned long flags;
64
65 mtk_venc_lock(ctx);
66
67 spin_lock_irqsave(&ctx->dev->irqlock, flags);
68 ctx->dev->curr_ctx = ctx;
69 spin_unlock_irqrestore(&ctx->dev->irqlock, flags);
70
71 mtk_vcodec_enc_clock_on(&ctx->dev->pm);
72 ret = ctx->enc_if->encode(ctx->drv_handle, opt, frm_buf,
73 bs_buf, result);
74 mtk_vcodec_enc_clock_off(&ctx->dev->pm);
75
76 spin_lock_irqsave(&ctx->dev->irqlock, flags);
77 ctx->dev->curr_ctx = NULL;
78 spin_unlock_irqrestore(&ctx->dev->irqlock, flags);
79
80 mtk_venc_unlock(ctx);
81 return ret;
82 }
83
venc_if_deinit(struct mtk_vcodec_ctx * ctx)84 int venc_if_deinit(struct mtk_vcodec_ctx *ctx)
85 {
86 int ret = 0;
87
88 if (!ctx->drv_handle)
89 return 0;
90
91 mtk_venc_lock(ctx);
92 mtk_vcodec_enc_clock_on(&ctx->dev->pm);
93 ret = ctx->enc_if->deinit(ctx->drv_handle);
94 mtk_vcodec_enc_clock_off(&ctx->dev->pm);
95 mtk_venc_unlock(ctx);
96
97 ctx->drv_handle = NULL;
98
99 return ret;
100 }
101