diff options
Diffstat (limited to 'drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.h')
| -rw-r--r-- | drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.h | 324 |
1 files changed, 324 insertions, 0 deletions
diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.h b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.h new file mode 100644 index 000000000000..7e36b2c69b7d --- /dev/null +++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.h @@ -0,0 +1,324 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2023 MediaTek Inc. + * Author: Yunfei Dong <yunfei.dong@mediatek.com> + */ + +#ifndef _MTK_VCODEC_DEC_DRV_H_ +#define _MTK_VCODEC_DEC_DRV_H_ + +#include "../common/mtk_vcodec_cmn_drv.h" +#include "../common/mtk_vcodec_dbgfs.h" +#include "../common/mtk_vcodec_fw_priv.h" +#include "../common/mtk_vcodec_util.h" +#include "vdec_msg_queue.h" + +#define MTK_VCODEC_DEC_NAME "mtk-vcodec-dec" + +#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_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, + MTK_VDEC_IS_SUPPORT_10BIT = 0x40000, +}; + +/* + * 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, +}; + +/* + * 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 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_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_dec_ctx *ctx); + int (*ctrls_setup)(struct mtk_vcodec_dec_ctx *ctx); + void (*worker)(struct work_struct *work); + int (*flush_decoder)(struct mtk_vcodec_dec_ctx *ctx); + struct vdec_fb *(*get_cap_buffer)(struct mtk_vcodec_dec_ctx *ctx); + void (*cap_to_disp)(struct mtk_vcodec_dec_ctx *ctx, int error, + struct media_request *src_buf_req); + + const 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_dec_ctx - Context (instance) private data. + * + * @type: type of decoder instance + * @dev: pointer to the mtk_vcodec_dec_dev of the device + * @list: link to ctx_list of mtk_vcodec_dec_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 + * + * @dec_if: hooked decoder 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 + * @last_decoded_picinfo: pic information get from latest decode + * @empty_flush_buf: a fake size-0 capture buffer that indicates flush. Used + * for 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. + * @vpu_inst: vpu instance pointer. + * + * @is_10bit_bitstream: set to true if it's 10bit bitstream + */ +struct mtk_vcodec_dec_ctx { + enum mtk_instance_type type; + struct mtk_vcodec_dec_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; + + const struct vdec_common_if *dec_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 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; + void *vpu_inst; + + bool is_10bit_bitstream; +}; + +/** + * struct mtk_vcodec_dec_dev - driver data + * @v4l2_dev: V4L2 device to register video devices for. + * @vfd_dec: Video device for decoder + * @mdev_dec: Media device for decoder + * + * @m2m_dev_dec: m2m device for decoder + * @plat_dev: platform device + * @ctx_list: list of struct mtk_vcodec_ctx + * @curr_ctx: The context that is waiting for codec hardware + * + * @reg_base: Mapped address of MTK Vcodec registers. + * @vdec_pdata: decoder IC-specific data + * @vdecsys_regmap: VDEC_SYS register space passed through syscon + * + * @fw_handler: used to communicate with the firmware. + * @id_counter: used to identify current opened instance + * + * @dec_mutex: decoder hardware lock + * @dev_mutex: video_device lock + * @decode_workqueue: decode work queue + * + * @irqlock: protect data access by irq handler and work thread + * @dec_irq: decoder irq resource + * + * @pm: power management control + * @dec_capability: used to identify decode capability, ex: 4k + * + * @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_dec_dev { + struct v4l2_device v4l2_dev; + struct video_device *vfd_dec; + struct media_device mdev_dec; + + struct v4l2_m2m_dev *m2m_dev_dec; + struct platform_device *plat_dev; + struct list_head ctx_list; + struct mtk_vcodec_dec_ctx *curr_ctx; + + void __iomem *reg_base[NUM_MAX_VCODEC_REG_BASE]; + const struct mtk_vcodec_dec_pdata *vdec_pdata; + struct regmap *vdecsys_regmap; + + struct mtk_vcodec_fw *fw_handler; + u64 id_counter; + + /* decoder hardware mutex lock */ + struct mutex dec_mutex[MTK_VDEC_HW_MAX]; + struct mutex dev_mutex; + struct workqueue_struct *decode_workqueue; + + spinlock_t irqlock; + int dec_irq; + + struct mtk_vcodec_pm pm; + unsigned int dec_capability; + + struct workqueue_struct *core_workqueue; + + void *subdev_dev[MTK_VDEC_HW_MAX]; + int (*subdev_prob_done)(struct mtk_vcodec_dec_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_dec_ctx *fh_to_dec_ctx(struct v4l2_fh *fh) +{ + return container_of(fh, struct mtk_vcodec_dec_ctx, fh); +} + +static inline struct mtk_vcodec_dec_ctx *ctrl_to_dec_ctx(struct v4l2_ctrl *ctrl) +{ + return container_of(ctrl->handler, struct mtk_vcodec_dec_ctx, ctrl_hdl); +} + +/* Wake up context wait_queue */ +static inline void +wake_up_dec_ctx(struct mtk_vcodec_dec_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]); +} + +#define mtk_vdec_err(ctx, fmt, args...) \ + mtk_vcodec_err((ctx)->id, (ctx)->dev->plat_dev, fmt, ##args) + +#define mtk_vdec_debug(ctx, fmt, args...) \ + mtk_vcodec_debug((ctx)->id, (ctx)->dev->plat_dev, fmt, ##args) + +#define mtk_v4l2_vdec_err(ctx, fmt, args...) mtk_v4l2_err((ctx)->dev->plat_dev, fmt, ##args) + +#define mtk_v4l2_vdec_dbg(level, ctx, fmt, args...) \ + mtk_v4l2_debug((ctx)->dev->plat_dev, level, fmt, ##args) + +#endif /* _MTK_VCODEC_DEC_DRV_H_ */ |