venc_drv_if.c

 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
19int venc_if_init(struct mtk_vcodec_enc_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	ret = ctx->enc_if->init(ctx);
36	mtk_venc_unlock(ctx);
37
38	return ret;
39}
40
41int venc_if_set_param(struct mtk_vcodec_enc_ctx *ctx,
42		      enum venc_set_param_type type, struct venc_enc_param *in)
43{
44	int ret = 0;
45
46	mtk_venc_lock(ctx);
47	ret = ctx->enc_if->set_param(ctx->drv_handle, type, in);
48	mtk_venc_unlock(ctx);
49
50	return ret;
51}
52
53int venc_if_encode(struct mtk_vcodec_enc_ctx *ctx,
54		   enum venc_start_opt opt, struct venc_frm_buf *frm_buf,
55		   struct mtk_vcodec_mem *bs_buf,
56		   struct venc_done_result *result)
57{
58	int ret = 0;
59	unsigned long flags;
60
61	mtk_venc_lock(ctx);
62
63	spin_lock_irqsave(&ctx->dev->irqlock, flags);
64	ctx->dev->curr_ctx = ctx;
65	spin_unlock_irqrestore(&ctx->dev->irqlock, flags);
66
67	ret = mtk_vcodec_enc_pw_on(&ctx->dev->pm);
68	if (ret)
69		goto venc_if_encode_pw_on_err;
70	mtk_vcodec_enc_clock_on(&ctx->dev->pm);
71	ret = ctx->enc_if->encode(ctx->drv_handle, opt, frm_buf,
72				  bs_buf, result);
73	mtk_vcodec_enc_clock_off(&ctx->dev->pm);
74	mtk_vcodec_enc_pw_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
80venc_if_encode_pw_on_err:
81	mtk_venc_unlock(ctx);
82	return ret;
83}
84
85int venc_if_deinit(struct mtk_vcodec_enc_ctx *ctx)
86{
87	int ret = 0;
88
89	if (!ctx->drv_handle)
90		return 0;
91
92	mtk_venc_lock(ctx);
93	ret = ctx->enc_if->deinit(ctx->drv_handle);
94	mtk_venc_unlock(ctx);
95
96	ctx->drv_handle = NULL;
97
98	return ret;
99}