147 lines
4.1 KiB
C
147 lines
4.1 KiB
C
/*
|
|
* ispresizer.h
|
|
*
|
|
* TI OMAP3 ISP - Resizer module
|
|
*
|
|
* Copyright (C) 2010 Nokia Corporation
|
|
* Copyright (C) 2009 Texas Instruments, Inc
|
|
*
|
|
* Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
|
|
* Sakari Ailus <sakari.ailus@iki.fi>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that 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.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
|
|
* 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef OMAP3_ISP_RESIZER_H
|
|
#define OMAP3_ISP_RESIZER_H
|
|
|
|
#include <linux/types.h>
|
|
|
|
/*
|
|
* Constants for filter coefficents count
|
|
*/
|
|
#define COEFF_CNT 32
|
|
|
|
/*
|
|
* struct isprsz_coef - Structure for resizer filter coeffcients.
|
|
* @h_filter_coef_4tap: Horizontal filter coefficients for 8-phase/4-tap
|
|
* mode (.5x-4x)
|
|
* @v_filter_coef_4tap: Vertical filter coefficients for 8-phase/4-tap
|
|
* mode (.5x-4x)
|
|
* @h_filter_coef_7tap: Horizontal filter coefficients for 4-phase/7-tap
|
|
* mode (.25x-.5x)
|
|
* @v_filter_coef_7tap: Vertical filter coefficients for 4-phase/7-tap
|
|
* mode (.25x-.5x)
|
|
*/
|
|
struct isprsz_coef {
|
|
u16 h_filter_coef_4tap[32];
|
|
u16 v_filter_coef_4tap[32];
|
|
/* Every 8th value is a dummy value in the following arrays: */
|
|
u16 h_filter_coef_7tap[32];
|
|
u16 v_filter_coef_7tap[32];
|
|
};
|
|
|
|
/* Chrominance horizontal algorithm */
|
|
enum resizer_chroma_algo {
|
|
RSZ_THE_SAME = 0, /* Chrominance the same as Luminance */
|
|
RSZ_BILINEAR = 1, /* Chrominance uses bilinear interpolation */
|
|
};
|
|
|
|
/* Resizer input type select */
|
|
enum resizer_colors_type {
|
|
RSZ_YUV422 = 0, /* YUV422 color is interleaved */
|
|
RSZ_COLOR8 = 1, /* Color separate data on 8 bits */
|
|
};
|
|
|
|
/*
|
|
* Structure for horizontal and vertical resizing value
|
|
*/
|
|
struct resizer_ratio {
|
|
u32 horz;
|
|
u32 vert;
|
|
};
|
|
|
|
/*
|
|
* Structure for luminance enhancer parameters.
|
|
*/
|
|
struct resizer_luma_yenh {
|
|
u8 algo; /* algorithm select. */
|
|
u8 gain; /* maximum gain. */
|
|
u8 slope; /* slope. */
|
|
u8 core; /* core offset. */
|
|
};
|
|
|
|
enum resizer_input_entity {
|
|
RESIZER_INPUT_NONE,
|
|
RESIZER_INPUT_VP, /* input video port - prev or ccdc */
|
|
RESIZER_INPUT_MEMORY,
|
|
};
|
|
|
|
/* Sink and source resizer pads */
|
|
#define RESZ_PAD_SINK 0
|
|
#define RESZ_PAD_SOURCE 1
|
|
#define RESZ_PADS_NUM 2
|
|
|
|
/*
|
|
* struct isp_res_device - OMAP3 ISP resizer module
|
|
* @crop.request: Crop rectangle requested by the user
|
|
* @crop.active: Active crop rectangle (based on hardware requirements)
|
|
*/
|
|
struct isp_res_device {
|
|
struct v4l2_subdev subdev;
|
|
struct media_pad pads[RESZ_PADS_NUM];
|
|
struct v4l2_mbus_framefmt formats[RESZ_PADS_NUM];
|
|
|
|
enum resizer_input_entity input;
|
|
struct isp_video video_in;
|
|
struct isp_video video_out;
|
|
|
|
u32 addr_base; /* stored source buffer address in memory mode */
|
|
u32 crop_offset; /* additional offset for crop in memory mode */
|
|
struct resizer_ratio ratio;
|
|
int pm_state;
|
|
unsigned int applycrop:1;
|
|
enum isp_pipeline_stream_state state;
|
|
wait_queue_head_t wait;
|
|
atomic_t stopping;
|
|
|
|
struct {
|
|
struct v4l2_rect request;
|
|
struct v4l2_rect active;
|
|
} crop;
|
|
};
|
|
|
|
struct isp_device;
|
|
|
|
int omap3isp_resizer_init(struct isp_device *isp);
|
|
void omap3isp_resizer_cleanup(struct isp_device *isp);
|
|
|
|
int omap3isp_resizer_register_entities(struct isp_res_device *res,
|
|
struct v4l2_device *vdev);
|
|
void omap3isp_resizer_unregister_entities(struct isp_res_device *res);
|
|
void omap3isp_resizer_isr_frame_sync(struct isp_res_device *res);
|
|
void omap3isp_resizer_isr(struct isp_res_device *isp_res);
|
|
|
|
void omap3isp_resizer_max_rate(struct isp_res_device *res,
|
|
unsigned int *max_rate);
|
|
|
|
void omap3isp_resizer_suspend(struct isp_res_device *isp_res);
|
|
|
|
void omap3isp_resizer_resume(struct isp_res_device *isp_res);
|
|
|
|
int omap3isp_resizer_busy(struct isp_res_device *isp_res);
|
|
|
|
#endif /* OMAP3_ISP_RESIZER_H */
|