diff options
Diffstat (limited to 'drivers/media/platform/mediatek/vcodec/mtk_vcodec_drv.h')
| -rw-r--r-- | drivers/media/platform/mediatek/vcodec/mtk_vcodec_drv.h | 548 |
1 files changed, 0 insertions, 548 deletions
diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_drv.h deleted file mode 100644 index f17d67e781c9..000000000000 --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_drv.h +++ /dev/null @@ -1,548 +0,0 @@ -/* 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/v4l2-mem2mem.h> -#include <media/videobuf2-core.h> - -#include "mtk_vcodec_dbgfs.h" -#include "mtk_vcodec_util.h" -#include "vdec_msg_queue.h" - -#define MTK_VCODEC_DEC_NAME "mtk-vcodec-dec" -#define MTK_VCODEC_ENC_NAME "mtk-vcodec-enc" - -#define MTK_VCODEC_MAX_PLANES 3 -#define MTK_V4L2_BENCHMARK 0 -#define WAIT_INTR_TIMEOUT_MS 1000 -#define IS_VDEC_LAT_ARCH(hw_arch) ((hw_arch) >= MTK_VDEC_LAT_SINGLE_CORE) -#define IS_VDEC_INNER_RACING(capability) ((capability) & MTK_VCODEC_INNER_RACING) - -/* - * 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, -}; - -/* - * enum 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, -}; - -/* - * enum mtk_vdec_hw_id - Hardware index used to separate - * different hardware - */ -enum mtk_vdec_hw_id { - MTK_VDEC_CORE, - MTK_VDEC_LAT0, - MTK_VDEC_LAT1, - MTK_VDEC_LAT_SOC, - MTK_VDEC_HW_MAX, -}; - -/* - * enum mtk_vdec_hw_count - Supported hardware count - */ -enum mtk_vdec_hw_count { - MTK_VDEC_NO_HW = 0, - MTK_VDEC_ONE_CORE, - MTK_VDEC_ONE_LAT_ONE_CORE, - MTK_VDEC_MAX_HW_COUNT, -}; - -/* - * 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 v4l2_frmsize_stepwise frmsize; -}; - -/* - * enum 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 mtk_vcodec_clk venc_clk; - struct device *dev; -}; - -/** - * 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: hooked 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. Only - * to be used with encoder and stateful decoder. - * @is_flushing: set to true if flushing is in progress. - * @current_codec: current set input codec, in V4L2 pixel format - * @capture_fourcc: capture queue type in V4L2 pixel format - * - * @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 - * @decoded_frame_cnt: number of decoded frames - * @lock: protect variables accessed by V4L2 threads and worker thread such as - * mtk_video_dec_buf. - * @hw_id: hardware index used to identify different hardware. - * - * @msg_queue: msg queue used to store lat buffer information. - * @q_mutex: vb2_queue mutex. - */ -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[MTK_VDEC_HW_MAX]; - int int_type[MTK_VDEC_HW_MAX]; - wait_queue_head_t queue[MTK_VDEC_HW_MAX]; - 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 v4l2_m2m_buffer empty_flush_buf; - bool is_flushing; - - u32 current_codec; - u32 capture_fourcc; - - 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; - int hw_id; - - struct vdec_msg_queue msg_queue; - - struct mutex q_mutex; -}; - -/* - * enum mtk_vdec_hw_arch - Used to separate different hardware architecture - */ -enum mtk_vdec_hw_arch { - MTK_VDEC_PURE_SINGLE_CORE, - MTK_VDEC_LAT_SINGLE_CORE, -}; - -/* - * struct mtk_vdec_format_types - Structure used to get supported - * format types according to decoder capability - */ -enum mtk_vdec_format_types { - MTK_VDEC_FORMAT_MM21 = 0x20, - MTK_VDEC_FORMAT_MT21C = 0x40, - MTK_VDEC_FORMAT_H264_SLICE = 0x100, - MTK_VDEC_FORMAT_VP8_FRAME = 0x200, - MTK_VDEC_FORMAT_VP9_FRAME = 0x400, - MTK_VDEC_FORMAT_AV1_FRAME = 0x800, - MTK_VDEC_FORMAT_HEVC_FRAME = 0x1000, - MTK_VCODEC_INNER_RACING = 0x20000, -}; - -/** - * struct mtk_vcodec_dec_pdata - compatible data for each IC - * @init_vdec_params: init vdec params - * @ctrls_setup: init vcodec dec ctrls - * @worker: worker to start a decode job - * @flush_decoder: function that flushes the decoder - * @get_cap_buffer: get capture buffer from capture queue - * @cap_to_disp: put capture buffer to disp list for lat and core arch - * @vdec_vb2_ops: struct vb2_ops - * - * @vdec_formats: supported video decoder formats - * @num_formats: count of video decoder formats - * @default_out_fmt: default output buffer format - * @default_cap_fmt: default capture buffer format - * - * @hw_arch: hardware arch is used to separate pure_sin_core and lat_sin_core - * - * @is_subdev_supported: whether support parent-node architecture(subdev) - * @uses_stateless_api: whether the decoder uses the stateless API with requests - */ - -struct mtk_vcodec_dec_pdata { - void (*init_vdec_params)(struct mtk_vcodec_ctx *ctx); - int (*ctrls_setup)(struct mtk_vcodec_ctx *ctx); - void (*worker)(struct work_struct *work); - int (*flush_decoder)(struct mtk_vcodec_ctx *ctx); - struct vdec_fb *(*get_cap_buffer)(struct mtk_vcodec_ctx *ctx); - void (*cap_to_disp)(struct mtk_vcodec_ctx *ctx, int error, - struct media_request *src_buf_req); - - struct vb2_ops *vdec_vb2_ops; - - const struct mtk_video_fmt *vdec_formats; - const int *num_formats; - const struct mtk_video_fmt *default_out_fmt; - const struct mtk_video_fmt *default_cap_fmt; - - enum mtk_vdec_hw_arch hw_arch; - - bool is_subdev_supported; - bool uses_stateless_api; -}; - -/** - * struct mtk_vcodec_enc_pdata - compatible data for each IC - * - * @uses_ext: whether the encoder uses the extended firmware messaging format - * @min_bitrate: minimum supported encoding bitrate - * @max_bitrate: maximum supported encoding bitrate - * @capture_formats: array of supported capture formats - * @num_capture_formats: number of entries in capture_formats - * @output_formats: array of supported output formats - * @num_output_formats: number of entries in output_formats - * @core_id: stand for h264 or vp8 encode index - * @uses_34bit: whether the encoder uses 34-bit iova - */ -struct mtk_vcodec_enc_pdata { - bool uses_ext; - unsigned long min_bitrate; - unsigned long max_bitrate; - const struct mtk_video_fmt *capture_formats; - size_t num_capture_formats; - const struct mtk_video_fmt *output_formats; - size_t num_output_formats; - int core_id; - bool uses_34bit; -}; - -#define MTK_ENC_CTX_IS_EXT(ctx) ((ctx)->dev->venc_pdata->uses_ext) -#define MTK_ENC_IOVA_IS_34BIT(ctx) ((ctx)->dev->venc_pdata->uses_34bit) - -/** - * struct mtk_vcodec_dev - driver data - * @v4l2_dev: V4L2 device to register video devices for. - * @vfd_dec: Video device for decoder - * @mdev_dec: Media 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 - * @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. - * @vdec_pdata: decoder IC-specific data - * @venc_pdata: encoder IC-specific data - * - * @fw_handler: used to communicate with the firmware. - * @id_counter: used to identify current opened instance - * - * @decode_workqueue: decode work queue - * @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 - * - * @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 - * - * @core_workqueue: queue used for core hardware decode - * - * @subdev_dev: subdev hardware device - * @subdev_prob_done: check whether all used hw device is prob done - * @subdev_bitmap: used to record hardware is ready or not - * - * @dec_active_cnt: used to mark whether need to record register value - * @vdec_racing_info: record register value - * @dec_racing_info_mutex: mutex lock used for inner racing mode - * @dbgfs: debug log related information - */ -struct mtk_vcodec_dev { - struct v4l2_device v4l2_dev; - struct video_device *vfd_dec; - struct media_device mdev_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 list_head ctx_list; - spinlock_t irqlock; - struct mtk_vcodec_ctx *curr_ctx; - void __iomem *reg_base[NUM_MAX_VCODEC_REG_BASE]; - const struct mtk_vcodec_dec_pdata *vdec_pdata; - const struct mtk_vcodec_enc_pdata *venc_pdata; - - struct mtk_vcodec_fw *fw_handler; - - 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; - - /* decoder hardware mutex lock */ - struct mutex dec_mutex[MTK_VDEC_HW_MAX]; - struct mutex enc_mutex; - - struct mtk_vcodec_pm pm; - unsigned int dec_capability; - unsigned int enc_capability; - - struct workqueue_struct *core_workqueue; - - void *subdev_dev[MTK_VDEC_HW_MAX]; - int (*subdev_prob_done)(struct mtk_vcodec_dev *vdec_dev); - DECLARE_BITMAP(subdev_bitmap, MTK_VDEC_HW_MAX); - - atomic_t dec_active_cnt; - u32 vdec_racing_info[132]; - /* Protects access to vdec_racing_info data */ - struct mutex dec_racing_info_mutex; - - struct mtk_vcodec_dbgfs dbgfs; -}; - -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); -} - -/* Wake up context wait_queue */ -static inline void -wake_up_ctx(struct mtk_vcodec_ctx *ctx, unsigned int reason, unsigned int hw_id) -{ - ctx->int_cond[hw_id] = 1; - ctx->int_type[hw_id] = reason; - wake_up_interruptible(&ctx->queue[hw_id]); -} - -#endif /* _MTK_VCODEC_DRV_H_ */ |