drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.h

   1 /*
   2 * Copyright (c) 2016 MediaTek Inc.
   3 * Author: PC Chen <pc.chen@mediatek.com>
   4 *         Tiffany Lin <tiffany.lin@mediatek.com>
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License version 2 as
   8 * published by the Free Software Foundation.
   9 *
  10 * This program is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 * GNU General Public License for more details.
  14 */
  15
  16 #ifndef _MTK_VCODEC_ENC_H_
  17 #define _MTK_VCODEC_ENC_H_
  18
  19 #include <media/videobuf2-core.h>
  20 #include <media/videobuf2-v4l2.h>
  21
  22 #define MTK_VENC_IRQ_STATUS_SPS 0x1
  23 #define MTK_VENC_IRQ_STATUS_PPS 0x2
  24 #define MTK_VENC_IRQ_STATUS_FRM 0x4
  25 #define MTK_VENC_IRQ_STATUS_DRAM        0x8
  26 #define MTK_VENC_IRQ_STATUS_PAUSE       0x10
  27 #define MTK_VENC_IRQ_STATUS_SWITCH      0x20
  28
  29 #define MTK_VENC_IRQ_STATUS_OFFSET      0x05C
  30 #define MTK_VENC_IRQ_ACK_OFFSET 0x060
  31
  32 /**
  33  * struct mtk_video_enc_buf - Private data related to each VB2 buffer.
  34  * @vb: Pointer to related VB2 buffer.
  35  * @list:       list that buffer link to
  36  * @param_change: Types of encode parameter change before encoding this
  37  *                              buffer
  38  * @enc_params: Encode parameters changed before encode this buffer
  39  */
  40 struct mtk_video_enc_buf {
  41         struct vb2_v4l2_buffer vb;
  42         struct list_head list;
  43         u32 param_change;
  44         struct mtk_enc_params enc_params;
  45 };
  46
  47 extern const struct v4l2_ioctl_ops mtk_venc_ioctl_ops;
  48 extern const struct v4l2_m2m_ops mtk_venc_m2m_ops;
  49
  50 int mtk_venc_unlock(struct mtk_vcodec_ctx *ctx);
  51 int mtk_venc_lock(struct mtk_vcodec_ctx *ctx);
  52 int mtk_vcodec_enc_queue_init(void *priv, struct vb2_queue *src_vq,
  53                               struct vb2_queue *dst_vq);
  54 void mtk_vcodec_enc_release(struct mtk_vcodec_ctx *ctx);
  55 int mtk_vcodec_enc_ctrls_setup(struct mtk_vcodec_ctx *ctx);
  56 void mtk_vcodec_enc_set_default_params(struct mtk_vcodec_ctx *ctx);
  57
  58 #endif /* _MTK_VCODEC_ENC_H_ */