/* SPDX-License-Identifier: GPL-2.0-only */ /* * isppreview.h * * TI OMAP3 ISP - Preview module * * Copyright (C) 2010 Nokia Corporation * Copyright (C) 2009 Texas Instruments, Inc. * * Contacts: Laurent Pinchart <[email protected]> * Sakari Ailus <[email protected]> */ #ifndef OMAP3_ISP_PREVIEW_H #define OMAP3_ISP_PREVIEW_H #include <linux/omap3isp.h> #include <linux/types.h> #include <media/v4l2-ctrls.h> #include "ispvideo.h" #define ISPPRV_BRIGHT_STEP … #define ISPPRV_BRIGHT_DEF … #define ISPPRV_BRIGHT_LOW … #define ISPPRV_BRIGHT_HIGH … #define ISPPRV_BRIGHT_UNITS … #define ISPPRV_CONTRAST_STEP … #define ISPPRV_CONTRAST_DEF … #define ISPPRV_CONTRAST_LOW … #define ISPPRV_CONTRAST_HIGH … #define ISPPRV_CONTRAST_UNITS … /* Additional features not listed in linux/omap3isp.h */ #define OMAP3ISP_PREV_CONTRAST … #define OMAP3ISP_PREV_BRIGHTNESS … #define OMAP3ISP_PREV_FEATURES_END … enum preview_input_entity { … }; #define PREVIEW_OUTPUT_RESIZER … #define PREVIEW_OUTPUT_MEMORY … /* Configure byte layout of YUV image */ enum preview_ycpos_mode { … }; /* * struct prev_params - Structure for all configuration * @busy: Bitmask of busy parameters (being updated or used) * @update: Bitmask of the parameters to be updated * @features: Set of features enabled. * @cfa: CFA coefficients. * @csup: Chroma suppression coefficients. * @luma: Luma enhancement coefficients. * @nf: Noise filter coefficients. * @dcor: Noise filter coefficients. * @gamma: Gamma coefficients. * @wbal: White Balance parameters. * @blkadj: Black adjustment parameters. * @rgb2rgb: RGB blending parameters. * @csc: Color space conversion (RGB to YCbCr) parameters. * @hmed: Horizontal median filter. * @yclimit: YC limits parameters. * @contrast: Contrast. * @brightness: Brightness. */ struct prev_params { … }; /* Sink and source previewer pads */ #define PREV_PAD_SINK … #define PREV_PAD_SOURCE … #define PREV_PADS_NUM … /* * struct isp_prev_device - Structure for storing ISP Preview module information * @subdev: V4L2 subdevice * @pads: Media entity pads * @formats: Active formats at the subdev pad * @crop: Active crop rectangle * @input: Module currently connected to the input pad * @output: Bitmask of the active output * @video_in: Input video entity * @video_out: Output video entity * @params.params : Active and shadow parameters sets * @params.active: Bitmask of parameters active in set 0 * @params.lock: Parameters lock, protects params.active and params.shadow * @underrun: Whether the preview entity has queued buffers on the output * @state: Current preview pipeline state * * This structure is used to store the OMAP ISP Preview module Information. */ struct isp_prev_device { … }; struct isp_device; int omap3isp_preview_init(struct isp_device *isp); void omap3isp_preview_cleanup(struct isp_device *isp); int omap3isp_preview_register_entities(struct isp_prev_device *prv, struct v4l2_device *vdev); void omap3isp_preview_unregister_entities(struct isp_prev_device *prv); void omap3isp_preview_isr_frame_sync(struct isp_prev_device *prev); void omap3isp_preview_isr(struct isp_prev_device *prev); int omap3isp_preview_busy(struct isp_prev_device *isp_prev); void omap3isp_preview_restore_context(struct isp_device *isp); #endif /* OMAP3_ISP_PREVIEW_H */