| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Tiffany Lin | 712 | 94.06% | 3 | 25.00% |
| Yunfei Dong | 35 | 4.62% | 2 | 16.67% |
| Alexandre Courbot | 4 | 0.53% | 3 | 25.00% |
| Maxime Jourdan | 3 | 0.40% | 1 | 8.33% |
| Thomas Gleixner | 1 | 0.13% | 1 | 8.33% |
| Julia Lawall | 1 | 0.13% | 1 | 8.33% |
| Mauro Carvalho Chehab | 1 | 0.13% | 1 | 8.33% |
| Total | 757 | 12 |
/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2016 MediaTek Inc. * Author: PC Chen <pc.chen@mediatek.com> * Tiffany Lin <tiffany.lin@mediatek.com> */ #ifndef _MTK_VCODEC_DRV_H_ #define _MTK_VCODEC_DRV_H_ #include <linux/platform_device.h> #include <linux/videodev2.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> #include <media/v4l2-ioctl.h> #include <media/videobuf2-core.h> #include "mtk_vcodec_util.h" #define MTK_VCODEC_DRV_NAME "mtk_vcodec_drv" #define MTK_VCODEC_DEC_NAME "mtk-vcodec-dec" #define MTK_VCODEC_ENC_NAME "mtk-vcodec-enc" #define MTK_PLATFORM_STR "platform:mt8173" #define MTK_VCODEC_MAX_PLANES 3 #define MTK_V4L2_BENCHMARK 0 #define WAIT_INTR_TIMEOUT_MS 1000 /** * enum mtk_hw_reg_idx - MTK hw register base index */ enum mtk_hw_reg_idx { VDEC_SYS, VDEC_MISC, VDEC_LD, VDEC_TOP, VDEC_CM, VDEC_AD, VDEC_AV, VDEC_PP, VDEC_HWD, VDEC_HWQ, VDEC_HWB, VDEC_HWG, NUM_MAX_VDEC_REG_BASE, /* h264 encoder */ VENC_SYS = NUM_MAX_VDEC_REG_BASE, /* vp8 encoder */ VENC_LT_SYS, NUM_MAX_VCODEC_REG_BASE }; /** * enum mtk_instance_type - The type of an MTK Vcodec instance. */ enum mtk_instance_type { MTK_INST_DECODER = 0, MTK_INST_ENCODER = 1, }; /** * enum mtk_instance_state - The state of an MTK Vcodec instance. * @MTK_STATE_FREE - default state when instance is created * @MTK_STATE_INIT - vcodec instance is initialized * @MTK_STATE_HEADER - vdec had sps/pps header parsed or venc * had sps/pps header encoded * @MTK_STATE_FLUSH - vdec is flushing. Only used by decoder * @MTK_STATE_ABORT - vcodec should be aborted */ enum mtk_instance_state { MTK_STATE_FREE = 0, MTK_STATE_INIT = 1, MTK_STATE_HEADER = 2, MTK_STATE_FLUSH = 3, MTK_STATE_ABORT = 4, }; /** * struct mtk_encode_param - General encoding parameters type */ enum mtk_encode_param { MTK_ENCODE_PARAM_NONE = 0, MTK_ENCODE_PARAM_BITRATE = (1 << 0), MTK_ENCODE_PARAM_FRAMERATE = (1 << 1), MTK_ENCODE_PARAM_INTRA_PERIOD = (1 << 2), MTK_ENCODE_PARAM_FORCE_INTRA = (1 << 3), MTK_ENCODE_PARAM_GOP_SIZE = (1 << 4), }; enum mtk_fmt_type { MTK_FMT_DEC = 0, MTK_FMT_ENC = 1, MTK_FMT_FRAME = 2, }; /** * struct mtk_video_fmt - Structure used to store information about pixelformats */ struct mtk_video_fmt { u32 fourcc; enum mtk_fmt_type type; u32 num_planes; u32 flags; }; /** * struct mtk_codec_framesizes - Structure used to store information about * framesizes */ struct mtk_codec_framesizes { u32 fourcc; struct v4l2_frmsize_stepwise stepwise; }; /** * struct mtk_q_type - Type of queue */ enum mtk_q_type { MTK_Q_DATA_SRC = 0, MTK_Q_DATA_DST = 1, }; /** * struct mtk_q_data - Structure used to store information about queue */ struct mtk_q_data { unsigned int visible_width; unsigned int visible_height; unsigned int coded_width; unsigned int coded_height; enum v4l2_field field; unsigned int bytesperline[MTK_VCODEC_MAX_PLANES]; unsigned int sizeimage[MTK_VCODEC_MAX_PLANES]; const struct mtk_video_fmt *fmt; }; /** * struct mtk_enc_params - General encoding parameters * @bitrate: target bitrate in bits per second * @num_b_frame: number of b frames between p-frame * @rc_frame: frame based rate control * @rc_mb: macroblock based rate control * @seq_hdr_mode: H.264 sequence header is encoded separately or joined * with the first frame * @intra_period: I frame period * @gop_size: group of picture size, it's used as the intra frame period * @framerate_num: frame rate numerator. ex: framerate_num=30 and * framerate_denom=1 means FPS is 30 * @framerate_denom: frame rate denominator. ex: framerate_num=30 and * framerate_denom=1 means FPS is 30 * @h264_max_qp: Max value for H.264 quantization parameter * @h264_profile: V4L2 defined H.264 profile * @h264_level: V4L2 defined H.264 level * @force_intra: force/insert intra frame */ struct mtk_enc_params { unsigned int bitrate; unsigned int num_b_frame; unsigned int rc_frame; unsigned int rc_mb; unsigned int seq_hdr_mode; unsigned int intra_period; unsigned int gop_size; unsigned int framerate_num; unsigned int framerate_denom; unsigned int h264_max_qp; unsigned int h264_profile; unsigned int h264_level; unsigned int force_intra; }; /** * struct mtk_vcodec_clk_info - Structure used to store clock name */ struct mtk_vcodec_clk_info { const char *clk_name; struct clk *vcodec_clk; }; /** * struct mtk_vcodec_clk - Structure used to store vcodec clock information */ struct mtk_vcodec_clk { struct mtk_vcodec_clk_info *clk_info; int clk_num; }; /** * struct mtk_vcodec_pm - Power management data structure */ struct mtk_vcodec_pm { struct mtk_vcodec_clk vdec_clk; struct device *larbvdec; struct mtk_vcodec_clk venc_clk; struct device *larbvenc; struct device *larbvenclt; struct device *dev; struct mtk_vcodec_dev *mtkdev; }; /** * struct vdec_pic_info - picture size information * @pic_w: picture width * @pic_h: picture height * @buf_w: picture buffer width (64 aligned up from pic_w) * @buf_h: picture buffer heiht (64 aligned up from pic_h) * @fb_sz: bitstream size of each plane * E.g. suppose picture size is 176x144, * buffer size will be aligned to 176x160. * @cap_fourcc: fourcc number(may changed when resolution change) * @reserved: align struct to 64-bit in order to adjust 32-bit and 64-bit os. */ struct vdec_pic_info { unsigned int pic_w; unsigned int pic_h; unsigned int buf_w; unsigned int buf_h; unsigned int fb_sz[VIDEO_MAX_PLANES]; unsigned int cap_fourcc; unsigned int reserved; }; /** * struct mtk_vcodec_ctx - Context (instance) private data. * * @type: type of the instance - decoder or encoder * @dev: pointer to the mtk_vcodec_dev of the device * @list: link to ctx_list of mtk_vcodec_dev * @fh: struct v4l2_fh * @m2m_ctx: pointer to the v4l2_m2m_ctx of the context * @q_data: store information of input and output queue * of the context * @id: index of the context that this structure describes * @state: state of the context * @param_change: indicate encode parameter type * @enc_params: encoding parameters * @dec_if: hooked decoder driver interface * @enc_if: hoooked encoder driver interface * @drv_handle: driver handle for specific decode/encode instance * * @picinfo: store picture info after header parsing * @dpb_size: store dpb count after header parsing * @int_cond: variable used by the waitqueue * @int_type: type of the last interrupt * @queue: waitqueue that can be used to wait for this context to * finish * @irq_status: irq status * * @ctrl_hdl: handler for v4l2 framework * @decode_work: worker for the decoding * @encode_work: worker for the encoding * @last_decoded_picinfo: pic information get from latest decode * @empty_flush_buf: a fake size-0 capture buffer that indicates flush * * @colorspace: enum v4l2_colorspace; supplemental to pixelformat * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding * @quantization: enum v4l2_quantization, colorspace quantization * @xfer_func: enum v4l2_xfer_func, colorspace transfer function * @lock: protect variables accessed by V4L2 threads and worker thread such as * mtk_video_dec_buf. */ struct mtk_vcodec_ctx { enum mtk_instance_type type; struct mtk_vcodec_dev *dev; struct list_head list; struct v4l2_fh fh; struct v4l2_m2m_ctx *m2m_ctx; struct mtk_q_data q_data[2]; int id; enum mtk_instance_state state; enum mtk_encode_param param_change; struct mtk_enc_params enc_params; const struct vdec_common_if *dec_if; const struct venc_common_if *enc_if; void *drv_handle; struct vdec_pic_info picinfo; int dpb_size; int int_cond; int int_type; wait_queue_head_t queue; unsigned int irq_status; struct v4l2_ctrl_handler ctrl_hdl; struct work_struct decode_work; struct work_struct encode_work; struct vdec_pic_info last_decoded_picinfo; struct mtk_video_dec_buf *empty_flush_buf; enum v4l2_colorspace colorspace; enum v4l2_ycbcr_encoding ycbcr_enc; enum v4l2_quantization quantization; enum v4l2_xfer_func xfer_func; int decoded_frame_cnt; struct mutex lock; }; /** * struct mtk_vcodec_dev - driver data * @v4l2_dev: V4L2 device to register video devices for. * @vfd_dec: Video device for decoder * @vfd_enc: Video device for encoder. * * @m2m_dev_dec: m2m device for decoder * @m2m_dev_enc: m2m device for encoder. * @plat_dev: platform device * @vpu_plat_dev: mtk vpu platform device * @ctx_list: list of struct mtk_vcodec_ctx * @irqlock: protect data access by irq handler and work thread * @curr_ctx: The context that is waiting for codec hardware * * @reg_base: Mapped address of MTK Vcodec registers. * * @id_counter: used to identify current opened instance * * @encode_workqueue: encode work queue * * @int_cond: used to identify interrupt condition happen * @int_type: used to identify what kind of interrupt condition happen * @dev_mutex: video_device lock * @queue: waitqueue for waiting for completion of device commands * * @dec_irq: decoder irq resource * @enc_irq: h264 encoder irq resource * @enc_lt_irq: vp8 encoder irq resource * * @dec_mutex: decoder hardware lock * @enc_mutex: encoder hardware lock. * * @pm: power management control * @dec_capability: used to identify decode capability, ex: 4k * @enc_capability: used to identify encode capability */ struct mtk_vcodec_dev { struct v4l2_device v4l2_dev; struct video_device *vfd_dec; struct video_device *vfd_enc; struct v4l2_m2m_dev *m2m_dev_dec; struct v4l2_m2m_dev *m2m_dev_enc; struct platform_device *plat_dev; struct platform_device *vpu_plat_dev; struct list_head ctx_list; spinlock_t irqlock; struct mtk_vcodec_ctx *curr_ctx; void __iomem *reg_base[NUM_MAX_VCODEC_REG_BASE]; unsigned long id_counter; struct workqueue_struct *decode_workqueue; struct workqueue_struct *encode_workqueue; int int_cond; int int_type; struct mutex dev_mutex; wait_queue_head_t queue; int dec_irq; int enc_irq; int enc_lt_irq; struct mutex dec_mutex; struct mutex enc_mutex; struct mtk_vcodec_pm pm; unsigned int dec_capability; unsigned int enc_capability; }; static inline struct mtk_vcodec_ctx *fh_to_ctx(struct v4l2_fh *fh) { return container_of(fh, struct mtk_vcodec_ctx, fh); } static inline struct mtk_vcodec_ctx *ctrl_to_ctx(struct v4l2_ctrl *ctrl) { return container_of(ctrl->handler, struct mtk_vcodec_ctx, ctrl_hdl); } #endif /* _MTK_VCODEC_DRV_H_ */
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