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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/staging/media/atomisp/pci/ia_css_frame_public.h | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/staging/media/atomisp/pci/ia_css_frame_public.h')
-rw-r--r-- | drivers/staging/media/atomisp/pci/ia_css_frame_public.h | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/ia_css_frame_public.h b/drivers/staging/media/atomisp/pci/ia_css_frame_public.h new file mode 100644 index 0000000000..7ba464abf4 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/ia_css_frame_public.h @@ -0,0 +1,270 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Support for Intel Camera Imaging ISP subsystem. + * Copyright (c) 2015, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + */ + +#ifndef __IA_CSS_FRAME_PUBLIC_H +#define __IA_CSS_FRAME_PUBLIC_H + +/* @file + * This file contains structs to describe various frame-formats supported by the ISP. + */ + +#include <media/videobuf2-v4l2.h> +#include <type_support.h> +#include "ia_css_err.h" +#include "ia_css_types.h" +#include "ia_css_frame_format.h" +#include "ia_css_buffer.h" + +/* For RAW input, the bayer order needs to be specified separately. There + * are 4 possible orders. The name is constructed by taking the first two + * colors on the first line and the first two colors from the second line. + */ +enum ia_css_bayer_order { + IA_CSS_BAYER_ORDER_GRBG, /** GRGRGRGRGR .. BGBGBGBGBG */ + IA_CSS_BAYER_ORDER_RGGB, /** RGRGRGRGRG .. GBGBGBGBGB */ + IA_CSS_BAYER_ORDER_BGGR, /** BGBGBGBGBG .. GRGRGRGRGR */ + IA_CSS_BAYER_ORDER_GBRG, /** GBGBGBGBGB .. RGRGRGRGRG */ +}; + +#define IA_CSS_BAYER_ORDER_NUM (IA_CSS_BAYER_ORDER_GBRG + 1) + +/* Frame plane structure. This describes one plane in an image + * frame buffer. + */ +struct ia_css_frame_plane { + unsigned int height; /** height of a plane in lines */ + unsigned int width; /** width of a line, in DMA elements, note that + for RGB565 the three subpixels are stored in + one element. For all other formats this is + the number of subpixels per line. */ + unsigned int stride; /** stride of a line in bytes */ + unsigned int offset; /** offset in bytes to start of frame data. + offset is wrt data field in ia_css_frame */ +}; + +/* Binary "plane". This is used to story binary streams such as jpeg + * images. This is not actually a real plane. + */ +struct ia_css_frame_binary_plane { + unsigned int size; /** number of bytes in the stream */ + struct ia_css_frame_plane data; /** plane */ +}; + +/* Container for planar YUV frames. This contains 3 planes. + */ +struct ia_css_frame_yuv_planes { + struct ia_css_frame_plane y; /** Y plane */ + struct ia_css_frame_plane u; /** U plane */ + struct ia_css_frame_plane v; /** V plane */ +}; + +/* Container for semi-planar YUV frames. + */ +struct ia_css_frame_nv_planes { + struct ia_css_frame_plane y; /** Y plane */ + struct ia_css_frame_plane uv; /** UV plane */ +}; + +/* Container for planar RGB frames. Each color has its own plane. + */ +struct ia_css_frame_rgb_planes { + struct ia_css_frame_plane r; /** Red plane */ + struct ia_css_frame_plane g; /** Green plane */ + struct ia_css_frame_plane b; /** Blue plane */ +}; + +/* Container for 6-plane frames. These frames are used internally + * in the advanced ISP only. + */ +struct ia_css_frame_plane6_planes { + struct ia_css_frame_plane r; /** Red plane */ + struct ia_css_frame_plane r_at_b; /** Red at blue plane */ + struct ia_css_frame_plane gr; /** Red-green plane */ + struct ia_css_frame_plane gb; /** Blue-green plane */ + struct ia_css_frame_plane b; /** Blue plane */ + struct ia_css_frame_plane b_at_r; /** Blue at red plane */ +}; + +/* Crop info struct - stores the lines to be cropped in isp */ +struct ia_css_crop_info { + /* the final start column and start line + * sum of lines to be cropped + bayer offset + */ + unsigned int start_column; + unsigned int start_line; +}; + +/* Frame info struct. This describes the contents of an image frame buffer. + */ +struct ia_css_frame_info { + struct ia_css_resolution res; /** Frame resolution (valid data) */ + unsigned int padded_width; /** stride of line in memory (in pixels) */ + enum ia_css_frame_format format; /** format of the frame data */ + unsigned int raw_bit_depth; /** number of valid bits per pixel, + only valid for RAW bayer frames */ + enum ia_css_bayer_order raw_bayer_order; /** bayer order, only valid + for RAW bayer frames */ + /* the params below are computed based on bayer_order + * we can remove the raw_bayer_order if it is redundant + * keeping it for now as bxt and fpn code seem to use it + */ + struct ia_css_crop_info crop_info; +}; + +#define IA_CSS_BINARY_DEFAULT_FRAME_INFO { \ + .format = IA_CSS_FRAME_FORMAT_NUM, \ + .raw_bayer_order = IA_CSS_BAYER_ORDER_NUM, \ +} + +/** + * Specifies the DVS loop delay in "frame periods" + */ +enum ia_css_frame_delay { + IA_CSS_FRAME_DELAY_0, /** Frame delay = 0 */ + IA_CSS_FRAME_DELAY_1, /** Frame delay = 1 */ + IA_CSS_FRAME_DELAY_2 /** Frame delay = 2 */ +}; + +enum ia_css_frame_flash_state { + IA_CSS_FRAME_FLASH_STATE_NONE, + IA_CSS_FRAME_FLASH_STATE_PARTIAL, + IA_CSS_FRAME_FLASH_STATE_FULL +}; + +/* Frame structure. This structure describes an image buffer or frame. + * This is the main structure used for all input and output images. + */ +struct ia_css_frame { + /* + * The videobuf2 core will allocate buffers including room for private + * data (the rest of struct ia_css_frame). The vb2_v4l2_buffer must + * be the first member for this to work! + * Note the atomisp code also uses ia_css_frame-s which are not used + * as v4l2-buffers in some places. In this case the vb2 member will + * be unused. + */ + struct vb2_v4l2_buffer vb; + /* List-head for linking into the activeq or buffers_waiting_for_param list */ + struct list_head queue; + struct ia_css_frame_info frame_info; /** info struct describing the frame */ + ia_css_ptr data; /** pointer to start of image data */ + unsigned int data_bytes; /** size of image data in bytes */ + /* LA: move this to ia_css_buffer */ + /* + * -1 if data address is static during life time of pipeline + * >=0 if data address can change per pipeline/frame iteration + * index to dynamic data: ia_css_frame_in, ia_css_frame_out + * ia_css_frame_out_vf + * index to host-sp queue id: queue_0, queue_1 etc. + */ + int dynamic_queue_id; + /* + * if it is dynamic frame, buf_type indicates which buffer type it + * should use for event generation. we have this because in vf_pp + * binary, we use output port, but we expect VF_OUTPUT_DONE event + */ + enum ia_css_buffer_type buf_type; + enum ia_css_frame_flash_state flash_state; + unsigned int exp_id; + /** exposure id, see ia_css_event_public.h for more detail */ + u32 isp_config_id; /** Unique ID to track which config was actually applied to a particular frame */ + bool valid; /** First video output frame is not valid */ + union { + unsigned int _initialisation_dummy; + struct ia_css_frame_plane raw; + struct ia_css_frame_plane rgb; + struct ia_css_frame_rgb_planes planar_rgb; + struct ia_css_frame_plane yuyv; + struct ia_css_frame_yuv_planes yuv; + struct ia_css_frame_nv_planes nv; + struct ia_css_frame_plane6_planes plane6; + struct ia_css_frame_binary_plane binary; + } planes; /** frame planes, select the right one based on + info.format */ +}; + +#define vb_to_frame(vb2) \ + container_of(to_vb2_v4l2_buffer(vb2), struct ia_css_frame, vb) + +#define DEFAULT_FRAME { \ + .frame_info = IA_CSS_BINARY_DEFAULT_FRAME_INFO, \ + .dynamic_queue_id = SH_CSS_INVALID_QUEUE_ID, \ + .buf_type = IA_CSS_BUFFER_TYPE_INVALID, \ + .flash_state = IA_CSS_FRAME_FLASH_STATE_NONE, \ +} + +/* @brief Allocate a CSS frame structure + * + * @param frame The allocated frame. + * @param width The width (in pixels) of the frame. + * @param height The height (in lines) of the frame. + * @param format The frame format. + * @param stride The padded stride, in pixels. + * @param raw_bit_depth The raw bit depth, in bits. + * @return The error code. + * + * Allocate a CSS frame structure. The memory for the frame data will be + * allocated in the CSS address space. + */ +int +ia_css_frame_allocate(struct ia_css_frame **frame, + unsigned int width, + unsigned int height, + enum ia_css_frame_format format, + unsigned int stride, + unsigned int raw_bit_depth); + +/* @brief Initialize a CSS frame structure using a frame info structure. + * + * @param frame The allocated frame. + * @param[in] info The frame info structure. + * @return The error code. + * + * Initialize a frame using the resolution and format from a frame info struct. + */ +int ia_css_frame_init_from_info(struct ia_css_frame *frame, + const struct ia_css_frame_info *info); + +/* @brief Allocate a CSS frame structure using a frame info structure. + * + * @param frame The allocated frame. + * @param[in] info The frame info structure. + * @return The error code. + * + * Allocate a frame using the resolution and format from a frame info struct. + * This is a convenience function, implemented on top of + * ia_css_frame_allocate(). + */ +int +ia_css_frame_allocate_from_info(struct ia_css_frame **frame, + const struct ia_css_frame_info *info); +/* @brief Free a CSS frame structure. + * + * @param[in] frame Pointer to the frame. + * @return None + * + * Free a CSS frame structure. This will free both the frame structure + * and the pixel data pointer contained within the frame structure. + */ +void +ia_css_frame_free(struct ia_css_frame *frame); + +static inline const struct ia_css_frame_info * +ia_css_frame_get_info(const struct ia_css_frame *frame) +{ + return frame ? &frame->frame_info : NULL; +} + +#endif /* __IA_CSS_FRAME_PUBLIC_H */ |