208 lines
6.3 KiB
C
208 lines
6.3 KiB
C
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/*
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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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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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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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/* Features list */
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#define PREV_LUMA_ENHANCE OMAP3ISP_PREV_LUMAENH
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#define PREV_INVERSE_ALAW OMAP3ISP_PREV_INVALAW
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#define PREV_HORZ_MEDIAN_FILTER OMAP3ISP_PREV_HRZ_MED
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#define PREV_CFA OMAP3ISP_PREV_CFA
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#define PREV_CHROMA_SUPPRESS OMAP3ISP_PREV_CHROMA_SUPP
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#define PREV_WB OMAP3ISP_PREV_WB
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#define PREV_BLKADJ OMAP3ISP_PREV_BLKADJ
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#define PREV_RGB2RGB OMAP3ISP_PREV_RGB2RGB
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#define PREV_COLOR_CONV OMAP3ISP_PREV_COLOR_CONV
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#define PREV_YCLIMITS OMAP3ISP_PREV_YC_LIMIT
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#define PREV_DEFECT_COR OMAP3ISP_PREV_DEFECT_COR
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#define PREV_GAMMA_BYPASS OMAP3ISP_PREV_GAMMABYPASS
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#define PREV_DARK_FRAME_CAPTURE OMAP3ISP_PREV_DRK_FRM_CAPTURE
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#define PREV_DARK_FRAME_SUBTRACT OMAP3ISP_PREV_DRK_FRM_SUBTRACT
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#define PREV_LENS_SHADING OMAP3ISP_PREV_LENS_SHADING
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#define PREV_NOISE_FILTER OMAP3ISP_PREV_NF
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#define PREV_GAMMA OMAP3ISP_PREV_GAMMA
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#define PREV_CONTRAST (1 << 17)
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#define PREV_BRIGHTNESS (1 << 18)
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#define PREV_AVERAGER (1 << 19)
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#define PREV_FEATURES_END (1 << 20)
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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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* @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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* @blk_adj: Black adjustment parameters.
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* @rgb2rgb: RGB blending parameters.
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* @rgb2ycbcr: 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 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 blk_adj;
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struct omap3isp_prev_rgbtorgb rgb2rgb;
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struct omap3isp_prev_csc rgb2ycbcr;
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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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/*
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* struct isptables_update - Structure for Table Configuration.
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* @update: Specifies which tables should be updated.
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* @flag: Specifies which tables should be enabled.
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* @nf: Pointer to structure for Noise Filter
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* @lsc: Pointer to LSC gain table. (currently not used)
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* @gamma: Pointer to gamma correction tables.
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* @cfa: Pointer to color filter array configuration.
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* @wbal: Pointer to colour and digital gain configuration.
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*/
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struct isptables_update {
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u32 update;
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u32 flag;
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struct omap3isp_prev_nf *nf;
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u32 *lsc;
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struct omap3isp_prev_gtables *gamma;
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struct omap3isp_prev_cfa *cfa;
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struct omap3isp_prev_wbal *wbal;
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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: Module configuration data
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* @shadow_update: If set, update the hardware configured in the next interrupt
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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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* @lock: Shadow update lock
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* @update: Bitmask of the parameters to be updated
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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 prev_params params;
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unsigned int shadow_update:1;
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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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spinlock_t lock;
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u32 update;
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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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