125 lines
3.3 KiB
C
125 lines
3.3 KiB
C
/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef _WFD_ENC_SUBDEV_
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#define _WFD_ENC_SUBDEV_
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#include <linux/list.h>
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#include <linux/msm_ion.h>
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#include <media/v4l2-subdev.h>
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#include <media/videobuf2-core.h>
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#define VENC_MAGIC_IOCTL 'V'
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enum venc_framerate_modes {
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VENC_MODE_CFR,
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VENC_MODE_VFR,
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};
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enum venc_event {
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VENC_EVENT_HARDWARE_ERROR,
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};
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struct mem_region {
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struct list_head list;
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u8 *kvaddr;
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u8 *paddr;
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u32 size;
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u32 offset;
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u32 fd;
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u32 cookie;
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struct ion_handle *ion_handle;
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};
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/* FIXME: need to come with a less stupid name */
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struct mem_region_map {
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struct mem_region *mregion;
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struct ion_client *ion_client;
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uint32_t flags;
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void *cookie;
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};
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struct bufreq {
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u32 count;
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u32 height;
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u32 width;
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u32 size;
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};
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struct venc_buf_info {
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u64 timestamp;
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struct mem_region *mregion;
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};
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struct venc_msg_ops {
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void *cookie;
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void *cbdata;
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bool secure;
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void (*op_buffer_done)(void *cookie, u32 status,
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struct vb2_buffer *buf);
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void (*ip_buffer_done)(void *cookie, u32 status,
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struct mem_region *mregion);
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void (*on_event)(void *cookie, enum venc_event e);
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};
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static inline bool mem_region_equals(struct mem_region *a,
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struct mem_region *b)
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{
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if (a == b)
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return true;
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else if (a->fd || b->fd)
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return (a->fd == b->fd) &&
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(a->offset == b->offset);
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else if (a->kvaddr || b->kvaddr)
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return a->kvaddr == b->kvaddr;
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else if (a->paddr || b->paddr)
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return a->paddr == b->paddr;
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else
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return false;
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}
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#define OPEN _IOR('V', 1, void *)
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#define CLOSE _IO('V', 2)
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#define ENCODE_START _IO('V', 3)
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#define ENCODE_FRAME _IOW('V', 4, struct venc_buf_info *)
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#define PAUSE _IO('V', 5)
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#define RESUME _IO('V', 6)
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#define FLUSH _IO('V', 7)
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#define ENCODE_STOP _IO('V', 8)
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#define SET_PROP _IO('V', 9)
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#define GET_PROP _IO('V', 10)
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#define SET_BUFFER_REQ _IOWR('V', 11, struct v4l2_requestbuffers *)
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#define GET_BUFFER_REQ _IOWR('V', 12, struct v4l2_requestbuffers *)
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#define ALLOCATE_BUFFER _IO('V', 13)
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#define FREE_BUFFER _IO('V', 14)
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#define FILL_OUTPUT_BUFFER _IO('V', 15)
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#define SET_FORMAT _IOW('V', 16, struct v4l2_format *)
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#define SET_FRAMERATE _IOW('V', 17, struct v4l2_fract *)
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#define SET_INPUT_BUFFER _IOWR('V', 18, struct mem_region *)
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#define SET_OUTPUT_BUFFER _IOWR('V', 19, struct mem_region *)
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#define ALLOC_RECON_BUFFERS _IO('V', 20)
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#define FREE_OUTPUT_BUFFER _IOWR('V', 21, struct mem_region *)
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#define FREE_INPUT_BUFFER _IOWR('V', 22, struct mem_region *)
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#define FREE_RECON_BUFFERS _IO('V', 23)
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#define ENCODE_FLUSH _IO('V', 24)
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#define ENC_MMAP _IOWR('V', 25, struct mem_region_map *)
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#define ENC_MUNMAP _IOWR('V', 26, struct mem_region_map *)
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#define SET_FRAMERATE_MODE _IO('V', 27)
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#define ENC_SECURE _IO('V', 28)
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extern int venc_init(struct v4l2_subdev *sd, u32 val);
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extern int venc_load_fw(struct v4l2_subdev *sd);
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extern long venc_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg);
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#endif /* _WFD_ENC_SUBDEV_ */
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