/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (C) 2018 Intel Corporation */ #ifndef __IPU3_CSS_H #define __IPU3_CSS_H #include #include #include "ipu3-abi.h" #include "ipu3-css-pool.h" /* 2 stages for split isp pipeline, 1 for scaling */ #define IMGU_NUM_SP 2 #define IMGU_MAX_PIPELINE_NUM 20 #define IMGU_MAX_PIPE_NUM 2 /* For DVS etc., format FRAME_FMT_YUV420_16 */ #define IPU3_CSS_AUX_FRAME_REF 0 /* For temporal noise reduction DVS etc., format FRAME_FMT_YUV_LINE */ #define IPU3_CSS_AUX_FRAME_TNR 1 #define IPU3_CSS_AUX_FRAME_TYPES 2 /* REF and TNR */ #define IPU3_CSS_AUX_FRAMES 2 /* 2 for REF and 2 for TNR */ #define IPU3_CSS_QUEUE_IN 0 #define IPU3_CSS_QUEUE_PARAMS 1 #define IPU3_CSS_QUEUE_OUT 2 #define IPU3_CSS_QUEUE_VF 3 #define IPU3_CSS_QUEUE_STAT_3A 4 #define IPU3_CSS_QUEUES 5 #define IPU3_CSS_RECT_EFFECTIVE 0 /* Effective resolution */ #define IPU3_CSS_RECT_BDS 1 /* Resolution after BDS */ #define IPU3_CSS_RECT_ENVELOPE 2 /* DVS envelope size */ #define IPU3_CSS_RECT_GDC 3 /* gdc output res */ #define IPU3_CSS_RECTS 4 /* number of rects */ #define IA_CSS_BINARY_MODE_PRIMARY 2 #define IA_CSS_BINARY_MODE_VIDEO 3 #define IPU3_CSS_DEFAULT_BINARY 3 /* default binary index */ /* * The pipe id type, distinguishes the kind of pipes that * can be run in parallel. */ enum imgu_css_pipe_id { IPU3_CSS_PIPE_ID_PREVIEW, IPU3_CSS_PIPE_ID_COPY, IPU3_CSS_PIPE_ID_VIDEO, IPU3_CSS_PIPE_ID_CAPTURE, IPU3_CSS_PIPE_ID_YUVPP, IPU3_CSS_PIPE_ID_ACC, IPU3_CSS_PIPE_ID_NUM }; struct imgu_css_resolution { u32 w; u32 h; }; enum imgu_css_buffer_state { IPU3_CSS_BUFFER_NEW, /* Not yet queued */ IPU3_CSS_BUFFER_QUEUED, /* Queued, waiting to be filled */ IPU3_CSS_BUFFER_DONE, /* Finished processing, removed from queue */ IPU3_CSS_BUFFER_FAILED, /* Was not processed, removed from queue */ }; struct imgu_css_buffer { /* Private fields: user doesn't touch */ dma_addr_t daddr; unsigned int queue; enum imgu_css_buffer_state state; struct list_head list; u8 queue_pos; unsigned int pipe; }; struct imgu_css_format { u32 pixelformat; enum v4l2_colorspace colorspace; enum imgu_abi_frame_format frame_format; enum imgu_abi_bayer_order bayer_order; enum imgu_abi_osys_format osys_format; enum imgu_abi_osys_tiling osys_tiling; u32 bytesperpixel_num; /* Bytes per pixel in first plane * 50 */ u8 bit_depth; /* Effective bits per pixel */ u8 chroma_decim; /* Chroma plane decimation, 0=no chroma plane */ u8 width_align; /* Alignment requirement for width_pad */ u8 flags; }; struct imgu_css_queue { union { struct v4l2_pix_format_mplane mpix; struct v4l2_meta_format meta; } fmt; const struct imgu_css_format *css_fmt; unsigned int width_pad; struct list_head bufs; }; struct imgu_css_pipe { enum imgu_css_pipe_id pipe_id; unsigned int bindex; struct imgu_css_queue queue[IPU3_CSS_QUEUES]; struct v4l2_rect rect[IPU3_CSS_RECTS]; bool vf_output_en; /* Protect access to queue[IPU3_CSS_QUEUES] */ spinlock_t qlock; /* Data structures shared with IMGU and driver, always allocated */ struct imgu_css_map sp_ddr_ptrs; struct imgu_css_map xmem_sp_stage_ptrs[IPU3_CSS_PIPE_ID_NUM] [IMGU_ABI_MAX_STAGES]; struct imgu_css_map xmem_isp_stage_ptrs[IPU3_CSS_PIPE_ID_NUM] [IMGU_ABI_MAX_STAGES]; /* * Data structures shared with IMGU and driver, binary specific. * PARAM_CLASS_CONFIG and PARAM_CLASS_STATE parameters. */ struct imgu_css_map binary_params_cs[IMGU_ABI_PARAM_CLASS_NUM - 1] [IMGU_ABI_NUM_MEMORIES]; struct { struct imgu_css_map mem[IPU3_CSS_AUX_FRAMES]; unsigned int width; unsigned int height; unsigned int bytesperline; unsigned int bytesperpixel; } aux_frames[IPU3_CSS_AUX_FRAME_TYPES]; struct { struct imgu_css_pool parameter_set_info; struct imgu_css_pool acc; struct imgu_css_pool gdc; struct imgu_css_pool obgrid; /* PARAM_CLASS_PARAM parameters for binding while streaming */ struct imgu_css_pool binary_params_p[IMGU_ABI_NUM_MEMORIES]; } pool; struct imgu_css_map abi_buffers[IPU3_CSS_QUEUES] [IMGU_ABI_HOST2SP_BUFQ_SIZE]; }; /* IPU3 Camera Sub System structure */ struct imgu_css { struct device *dev; void __iomem *base; const struct firmware *fw; struct imgu_fw_header *fwp; int iomem_length; int fw_bl, fw_sp[IMGU_NUM_SP]; /* Indices of bl and SP binaries */ struct imgu_css_map *binary; /* fw binaries mapped to device */ bool streaming; /* true when streaming is enabled */ struct imgu_css_pipe pipes[IMGU_MAX_PIPE_NUM]; struct imgu_css_map xmem_sp_group_ptrs; /* enabled pipe(s) */ DECLARE_BITMAP(enabled_pipes, IMGU_MAX_PIPE_NUM); }; /******************* css v4l *******************/ int imgu_css_init(struct device *dev, struct imgu_css *css, void __iomem *base, int length); void imgu_css_cleanup(struct imgu_css *css); int imgu_css_fmt_try(struct imgu_css *css, struct v4l2_pix_format_mplane *fmts[IPU3_CSS_QUEUES], struct v4l2_rect *rects[IPU3_CSS_RECTS], unsigned int pipe); int imgu_css_fmt_set(struct imgu_css *css, struct v4l2_pix_format_mplane *fmts[IPU3_CSS_QUEUES], struct v4l2_rect *rects[IPU3_CSS_RECTS], unsigned int pipe); int imgu_css_meta_fmt_set(struct v4l2_meta_format *fmt); int imgu_css_buf_queue(struct imgu_css *css, unsigned int pipe, struct imgu_css_buffer *b); struct imgu_css_buffer *imgu_css_buf_dequeue(struct imgu_css *css); int imgu_css_start_streaming(struct imgu_css *css); void imgu_css_stop_streaming(struct imgu_css *css); bool imgu_css_queue_empty(struct imgu_css *css); bool imgu_css_is_streaming(struct imgu_css *css); bool imgu_css_pipe_queue_empty(struct imgu_css *css, unsigned int pipe); /******************* css hw *******************/ int imgu_css_set_powerup(struct device *dev, void __iomem *base); void imgu_css_set_powerdown(struct device *dev, void __iomem *base); int imgu_css_irq_ack(struct imgu_css *css); /******************* set parameters ************/ int imgu_css_set_parameters(struct imgu_css *css, unsigned int pipe, struct ipu3_uapi_params *set_params); /******************* auxiliary helpers *******************/ static inline enum imgu_css_buffer_state imgu_css_buf_state(struct imgu_css_buffer *b) { return b->state; } /* Initialize given buffer. May be called several times. */ static inline void imgu_css_buf_init(struct imgu_css_buffer *b, unsigned int queue, dma_addr_t daddr) { b->state = IPU3_CSS_BUFFER_NEW; b->queue = queue; b->daddr = daddr; } #endif