drivers/media/platform/qcom/venus/helpers.h

   1 /*
   2  * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
   3  * Copyright (C) 2017 Linaro Ltd.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 and
   7  * only version 2 as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  */
  15 #ifndef __VENUS_HELPERS_H__
  16 #define __VENUS_HELPERS_H__
  17
  18 #include <media/videobuf2-v4l2.h>
  19
  20 struct venus_inst;
  21
  22 bool venus_helper_check_codec(struct venus_inst *inst, u32 v4l2_pixfmt);
  23 struct vb2_v4l2_buffer *venus_helper_find_buf(struct venus_inst *inst,
  24                                               unsigned int type, u32 idx);
  25 void venus_helper_buffers_done(struct venus_inst *inst,
  26                                enum vb2_buffer_state state);
  27 int venus_helper_vb2_buf_init(struct vb2_buffer *vb);
  28 int venus_helper_vb2_buf_prepare(struct vb2_buffer *vb);
  29 void venus_helper_vb2_buf_queue(struct vb2_buffer *vb);
  30 void venus_helper_vb2_stop_streaming(struct vb2_queue *q);
  31 int venus_helper_vb2_start_streaming(struct venus_inst *inst);
  32 void venus_helper_m2m_device_run(void *priv);
  33 void venus_helper_m2m_job_abort(void *priv);
  34 int venus_helper_get_bufreq(struct venus_inst *inst, u32 type,
  35                             struct hfi_buffer_requirements *req);
  36 int venus_helper_set_input_resolution(struct venus_inst *inst,
  37                                       unsigned int width, unsigned int height);
  38 int venus_helper_set_output_resolution(struct venus_inst *inst,
  39                                        unsigned int width, unsigned int height);
  40 int venus_helper_set_num_bufs(struct venus_inst *inst, unsigned int input_bufs,
  41                               unsigned int output_bufs);
  42 int venus_helper_set_color_format(struct venus_inst *inst, u32 fmt);
  43 void venus_helper_acquire_buf_ref(struct vb2_v4l2_buffer *vbuf);
  44 void venus_helper_release_buf_ref(struct venus_inst *inst, unsigned int idx);
  45 void venus_helper_init_instance(struct venus_inst *inst);
  46 #endif