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b5f6df0607
The entities to video nodes links were created on separate functions for each ISP module but since the only thing that these functions do is to call media_create_pad_link(), there's no need for that indirection level and all link creation logic can be just inlined in the caller function. Also, since the only possible failure for the link creation is a memory allocation, there is no need for error messages since the core already reports a very verbose message in that case. Suggested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
165 lines
4.6 KiB
C
165 lines
4.6 KiB
C
/*
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* isppreview.h
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*
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* TI OMAP3 ISP - Preview module
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*
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* Copyright (C) 2010 Nokia Corporation
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* Copyright (C) 2009 Texas Instruments, Inc.
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*
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* Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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* Sakari Ailus <sakari.ailus@iki.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef OMAP3_ISP_PREVIEW_H
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#define OMAP3_ISP_PREVIEW_H
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#include <linux/omap3isp.h>
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#include <linux/types.h>
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#include <media/v4l2-ctrls.h>
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#include "ispvideo.h"
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#define ISPPRV_BRIGHT_STEP 0x1
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#define ISPPRV_BRIGHT_DEF 0x0
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#define ISPPRV_BRIGHT_LOW 0x0
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#define ISPPRV_BRIGHT_HIGH 0xFF
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#define ISPPRV_BRIGHT_UNITS 0x1
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#define ISPPRV_CONTRAST_STEP 0x1
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#define ISPPRV_CONTRAST_DEF 0x10
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#define ISPPRV_CONTRAST_LOW 0x0
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#define ISPPRV_CONTRAST_HIGH 0xFF
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#define ISPPRV_CONTRAST_UNITS 0x1
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/* Additional features not listed in linux/omap3isp.h */
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#define OMAP3ISP_PREV_CONTRAST (1 << 17)
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#define OMAP3ISP_PREV_BRIGHTNESS (1 << 18)
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#define OMAP3ISP_PREV_FEATURES_END (1 << 19)
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enum preview_input_entity {
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PREVIEW_INPUT_NONE,
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PREVIEW_INPUT_CCDC,
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PREVIEW_INPUT_MEMORY,
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};
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#define PREVIEW_OUTPUT_RESIZER (1 << 1)
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#define PREVIEW_OUTPUT_MEMORY (1 << 2)
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/* Configure byte layout of YUV image */
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enum preview_ycpos_mode {
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YCPOS_YCrYCb = 0,
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YCPOS_YCbYCr = 1,
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YCPOS_CbYCrY = 2,
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YCPOS_CrYCbY = 3
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};
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/*
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* struct prev_params - Structure for all configuration
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* @busy: Bitmask of busy parameters (being updated or used)
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* @update: Bitmask of the parameters to be updated
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* @features: Set of features enabled.
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* @cfa: CFA coefficients.
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* @csup: Chroma suppression coefficients.
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* @luma: Luma enhancement coefficients.
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* @nf: Noise filter coefficients.
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* @dcor: Noise filter coefficients.
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* @gamma: Gamma coefficients.
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* @wbal: White Balance parameters.
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* @blkadj: Black adjustment parameters.
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* @rgb2rgb: RGB blending parameters.
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* @csc: Color space conversion (RGB to YCbCr) parameters.
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* @hmed: Horizontal median filter.
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* @yclimit: YC limits parameters.
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* @contrast: Contrast.
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* @brightness: Brightness.
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*/
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struct prev_params {
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u32 busy;
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u32 update;
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u32 features;
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struct omap3isp_prev_cfa cfa;
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struct omap3isp_prev_csup csup;
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struct omap3isp_prev_luma luma;
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struct omap3isp_prev_nf nf;
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struct omap3isp_prev_dcor dcor;
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struct omap3isp_prev_gtables gamma;
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struct omap3isp_prev_wbal wbal;
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struct omap3isp_prev_blkadj blkadj;
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struct omap3isp_prev_rgbtorgb rgb2rgb;
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struct omap3isp_prev_csc csc;
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struct omap3isp_prev_hmed hmed;
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struct omap3isp_prev_yclimit yclimit;
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u8 contrast;
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u8 brightness;
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};
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/* Sink and source previewer pads */
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#define PREV_PAD_SINK 0
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#define PREV_PAD_SOURCE 1
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#define PREV_PADS_NUM 2
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/*
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* struct isp_prev_device - Structure for storing ISP Preview module information
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* @subdev: V4L2 subdevice
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* @pads: Media entity pads
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* @formats: Active formats at the subdev pad
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* @crop: Active crop rectangle
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* @input: Module currently connected to the input pad
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* @output: Bitmask of the active output
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* @video_in: Input video entity
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* @video_out: Output video entity
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* @params.params : Active and shadow parameters sets
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* @params.active: Bitmask of parameters active in set 0
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* @params.lock: Parameters lock, protects params.active and params.shadow
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* @underrun: Whether the preview entity has queued buffers on the output
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* @state: Current preview pipeline state
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*
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* This structure is used to store the OMAP ISP Preview module Information.
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*/
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struct isp_prev_device {
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struct v4l2_subdev subdev;
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struct media_pad pads[PREV_PADS_NUM];
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struct v4l2_mbus_framefmt formats[PREV_PADS_NUM];
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struct v4l2_rect crop;
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struct v4l2_ctrl_handler ctrls;
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enum preview_input_entity input;
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unsigned int output;
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struct isp_video video_in;
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struct isp_video video_out;
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struct {
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unsigned int cfa_order;
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struct prev_params params[2];
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u32 active;
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spinlock_t lock;
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} params;
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enum isp_pipeline_stream_state state;
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wait_queue_head_t wait;
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atomic_t stopping;
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};
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struct isp_device;
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int omap3isp_preview_init(struct isp_device *isp);
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void omap3isp_preview_cleanup(struct isp_device *isp);
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int omap3isp_preview_register_entities(struct isp_prev_device *prv,
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struct v4l2_device *vdev);
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void omap3isp_preview_unregister_entities(struct isp_prev_device *prv);
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void omap3isp_preview_isr_frame_sync(struct isp_prev_device *prev);
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void omap3isp_preview_isr(struct isp_prev_device *prev);
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int omap3isp_preview_busy(struct isp_prev_device *isp_prev);
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void omap3isp_preview_restore_context(struct isp_device *isp);
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#endif /* OMAP3_ISP_PREVIEW_H */
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