mtk_vcodec_cmn_drv.h

  1/* SPDX-License-Identifier: GPL-2.0 */
  2/*
  3 * Copyright (c) 2023 MediaTek Inc.
  4 * Author: Yunfei Dong <yunfei.dong@mediatek.com>
  5 */
  6
  7#ifndef _MTK_VCODEC_COM_DRV_H_
  8#define _MTK_VCODEC_COM_DRV_H_
  9
 10#include <linux/platform_device.h>
 11#include <linux/videodev2.h>
 12#include <media/v4l2-ctrls.h>
 13#include <media/v4l2-device.h>
 14#include <media/v4l2-ioctl.h>
 15#include <media/v4l2-mem2mem.h>
 16#include <media/videobuf2-core.h>
 17
 18#define MTK_VCODEC_MAX_PLANES	3
 19
 20#define WAIT_INTR_TIMEOUT_MS	1000
 21
 22/*
 23 * enum mtk_q_type - Type of queue
 24 */
 25enum mtk_q_type {
 26	MTK_Q_DATA_SRC = 0,
 27	MTK_Q_DATA_DST = 1,
 28};
 29
 30/*
 31 * enum mtk_hw_reg_idx - MTK hw register base index
 32 */
 33enum mtk_hw_reg_idx {
 34	VDEC_SYS,
 35	VDEC_MISC,
 36	VDEC_LD,
 37	VDEC_TOP,
 38	VDEC_CM,
 39	VDEC_AD,
 40	VDEC_AV,
 41	VDEC_PP,
 42	VDEC_HWD,
 43	VDEC_HWQ,
 44	VDEC_HWB,
 45	VDEC_HWG,
 46	NUM_MAX_VDEC_REG_BASE,
 47	/* h264 encoder */
 48	VENC_SYS = NUM_MAX_VDEC_REG_BASE,
 49	/* vp8 encoder */
 50	VENC_LT_SYS,
 51	NUM_MAX_VCODEC_REG_BASE
 52};
 53
 54/*
 55 * struct mtk_vcodec_clk_info - Structure used to store clock name
 56 */
 57struct mtk_vcodec_clk_info {
 58	const char	*clk_name;
 59	struct clk	*vcodec_clk;
 60};
 61
 62/*
 63 * struct mtk_vcodec_clk - Structure used to store vcodec clock information
 64 */
 65struct mtk_vcodec_clk {
 66	struct mtk_vcodec_clk_info	*clk_info;
 67	int	clk_num;
 68};
 69
 70/*
 71 * struct mtk_vcodec_pm - Power management data structure
 72 */
 73struct mtk_vcodec_pm {
 74	struct mtk_vcodec_clk	vdec_clk;
 75	struct mtk_vcodec_clk	venc_clk;
 76	struct device	*dev;
 77};
 78
 79/*
 80 * enum mtk_vdec_hw_id - Hardware index used to separate
 81 *                         different hardware
 82 */
 83enum mtk_vdec_hw_id {
 84	MTK_VDEC_CORE,
 85	MTK_VDEC_LAT0,
 86	MTK_VDEC_LAT1,
 87	MTK_VDEC_LAT_SOC,
 88	MTK_VDEC_HW_MAX,
 89};
 90
 91/**
 92 * enum mtk_instance_state - The state of an MTK Vcodec instance.
 93 * @MTK_STATE_FREE: default state when instance is created
 94 * @MTK_STATE_INIT: vcodec instance is initialized
 95 * @MTK_STATE_HEADER: vdec had sps/pps header parsed or venc
 96 *			had sps/pps header encoded
 97 * @MTK_STATE_FLUSH: vdec is flushing. Only used by decoder
 98 * @MTK_STATE_ABORT: vcodec should be aborted
 99 */
100enum mtk_instance_state {
101	MTK_STATE_FREE = 0,
102	MTK_STATE_INIT = 1,
103	MTK_STATE_HEADER = 2,
104	MTK_STATE_FLUSH = 3,
105	MTK_STATE_ABORT = 4,
106};
107
108enum mtk_fmt_type {
109	MTK_FMT_DEC = 0,
110	MTK_FMT_ENC = 1,
111	MTK_FMT_FRAME = 2,
112};
113
114/*
115 * struct mtk_video_fmt - Structure used to store information about pixelformats
116 */
117struct mtk_video_fmt {
118	u32	fourcc;
119	enum mtk_fmt_type	type;
120	u32	num_planes;
121	u32	flags;
122	struct v4l2_frmsize_stepwise frmsize;
123};
124
125/*
126 * struct mtk_q_data - Structure used to store information about queue
127 */
128struct mtk_q_data {
129	unsigned int	visible_width;
130	unsigned int	visible_height;
131	unsigned int	coded_width;
132	unsigned int	coded_height;
133	enum v4l2_field	field;
134	unsigned int	bytesperline[MTK_VCODEC_MAX_PLANES];
135	unsigned int	sizeimage[MTK_VCODEC_MAX_PLANES];
136	const struct mtk_video_fmt	*fmt;
137};
138
139/*
140 * enum mtk_instance_type - The type of an MTK Vcodec instance.
141 */
142enum mtk_instance_type {
143	MTK_INST_DECODER		= 0,
144	MTK_INST_ENCODER		= 1,
145};
146
147#endif /* _MTK_VCODEC_COM_DRV_H_ */