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Commit de1135d4 authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Mauro Carvalho Chehab
Browse files

[media] omap3isp: CCDC, preview engine and resizer 



The OMAP3 ISP CCDC, preview engine and resizer entities perform image
processing and scaling.

Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: default avatarSakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: default avatarDavid Cohen <dacohen@gmail.com>
Signed-off-by: default avatarStanimir Varbanov <svarbanov@mm-sol.com>
Signed-off-by: default avatarVimarsh Zutshi <vimarsh.zutshi@gmail.com>
Signed-off-by: default avatarTuukka Toivonen <tuukkat76@gmail.com>
Signed-off-by: default avatarSergio Aguirre <saaguirre@ti.com>
Signed-off-by: default avatarAntti Koskipaa <akoskipa@gmail.com>
Signed-off-by: default avatarIvan T. Ivanov <iivanov@mm-sol.com>
Signed-off-by: default avatarRaniSuneela <r-m@ti.com>
Signed-off-by: default avatarAtanas Filipov <afilipov@mm-sol.com>
Signed-off-by: default avatarGjorgji Rosikopulos <grosikopulos@mm-sol.com>
Signed-off-by: default avatarHiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: default avatarNayden Kanchev <nkanchev@mm-sol.com>
Signed-off-by: default avatarPhil Carmody <ext-phil.2.carmody@nokia.com>
Signed-off-by: default avatarArtem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: default avatarDominic Curran <dcurran@ti.com>
Signed-off-by: default avatarIlkka Myllyperkio <ilkka.myllyperkio@sofica.fi>
Signed-off-by: default avatarPallavi Kulkarni <p-kulkarni@ti.com>
Signed-off-by: default avatarVaibhav Hiremath <hvaibhav@ti.com>
Acked-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 121e9f1c

drivers/media/video/omap3isp/cfa_coef_table.h

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/*

 * cfa_coef_table.h

 *

 * TI OMAP3 ISP - CFA coefficients table

 *

 * Copyright (C) 2009-2010 Nokia Corporation

 *

 * 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

 */



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drivers/media/video/omap3isp/gamma_table.h

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/*

 * gamma_table.h

 *

 * TI OMAP3 ISP - Default gamma table for all components

 *

 * 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

 */



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drivers/media/video/omap3isp/ispccdc.c

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drivers/media/video/omap3isp/ispccdc.h

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/*

 * ispccdc.h

 *

 * TI OMAP3 ISP - CCDC module

 *

 * Copyright (C) 2009-2010 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_CCDC_H

#define OMAP3_ISP_CCDC_H



#include <linux/omap3isp.h>

#include <linux/workqueue.h>



#include "ispvideo.h"



enum ccdc_input_entity {

	CCDC_INPUT_NONE,

	CCDC_INPUT_PARALLEL,

	CCDC_INPUT_CSI2A,

	CCDC_INPUT_CCP2B,

	CCDC_INPUT_CSI2C

};



#define CCDC_OUTPUT_MEMORY	(1 << 0)

#define CCDC_OUTPUT_PREVIEW	(1 << 1)

#define CCDC_OUTPUT_RESIZER	(1 << 2)



#define	OMAP3ISP_CCDC_NEVENTS	16



/*

 * struct ispccdc_syncif - Structure for Sync Interface between sensor and CCDC

 * @ccdc_mastermode: Master mode. 1 - Master, 0 - Slave.

 * @fldstat: Field state. 0 - Odd Field, 1 - Even Field.

 * @datsz: Data size.

 * @fldmode: 0 - Progressive, 1 - Interlaced.

 * @datapol: 0 - Positive, 1 - Negative.

 * @fldpol: 0 - Positive, 1 - Negative.

 * @hdpol: 0 - Positive, 1 - Negative.

 * @vdpol: 0 - Positive, 1 - Negative.

 * @fldout: 0 - Input, 1 - Output.

 * @hs_width: Width of the Horizontal Sync pulse, used for HS/VS Output.

 * @vs_width: Width of the Vertical Sync pulse, used for HS/VS Output.

 * @ppln: Number of pixels per line, used for HS/VS Output.

 * @hlprf: Number of half lines per frame, used for HS/VS Output.

 * @bt_r656_en: 1 - Enable ITU-R BT656 mode, 0 - Sync mode.

 */

struct ispccdc_syncif {

	u8 ccdc_mastermode;

	u8 fldstat;

	u8 datsz;

	u8 fldmode;

	u8 datapol;

	u8 fldpol;

	u8 hdpol;

	u8 vdpol;

	u8 fldout;

	u8 hs_width;

	u8 vs_width;

	u8 ppln;

	u8 hlprf;

	u8 bt_r656_en;

};



/*

 * struct ispccdc_vp - Structure for Video Port parameters

 * @pixelclk: Input pixel clock in Hz

 */

struct ispccdc_vp {

	unsigned int pixelclk;

};



enum ispccdc_lsc_state {

	LSC_STATE_STOPPED = 0,

	LSC_STATE_STOPPING = 1,

	LSC_STATE_RUNNING = 2,

	LSC_STATE_RECONFIG = 3,

};



struct ispccdc_lsc_config_req {

	struct list_head list;

	struct omap3isp_ccdc_lsc_config config;

	unsigned char enable;

	u32 table;

	struct iovm_struct *iovm;

};



/*

 * ispccdc_lsc - CCDC LSC parameters

 * @update_config: Set when user changes config

 * @request_enable: Whether LSC is requested to be enabled

 * @config: LSC config set by user

 * @update_table: Set when user provides a new LSC table to table_new

 * @table_new: LSC table set by user, ISP address

 * @table_inuse: LSC table currently in use, ISP address

 */

struct ispccdc_lsc {

	enum ispccdc_lsc_state state;

	struct work_struct table_work;



	/* LSC queue of configurations */

	spinlock_t req_lock;

	struct ispccdc_lsc_config_req *request;	/* requested configuration */

	struct ispccdc_lsc_config_req *active;	/* active configuration */

	struct list_head free_queue;	/* configurations for freeing */

};



#define CCDC_STOP_NOT_REQUESTED		0x00

#define CCDC_STOP_REQUEST		0x01

#define CCDC_STOP_EXECUTED		(0x02 | CCDC_STOP_REQUEST)

#define CCDC_STOP_CCDC_FINISHED		0x04

#define CCDC_STOP_LSC_FINISHED		0x08

#define CCDC_STOP_FINISHED		\

	(CCDC_STOP_EXECUTED | CCDC_STOP_CCDC_FINISHED | CCDC_STOP_LSC_FINISHED)



#define CCDC_EVENT_VD1			0x10

#define CCDC_EVENT_VD0			0x20

#define CCDC_EVENT_LSC_DONE		0x40



/* Sink and source CCDC pads */

#define CCDC_PAD_SINK			0

#define CCDC_PAD_SOURCE_OF		1

#define CCDC_PAD_SOURCE_VP		2

#define CCDC_PADS_NUM			3



/*

 * struct isp_ccdc_device - Structure for the CCDC module to store its own

 *			    information

 * @subdev: V4L2 subdevice

 * @pads: Sink and source media entity pads

 * @formats: Active video formats

 * @input: Active input

 * @output: Active outputs

 * @video_out: Output video node

 * @error: A hardware error occured during capture

 * @alaw: A-law compression enabled (1) or disabled (0)

 * @lpf: Low pass filter enabled (1) or disabled (0)

 * @obclamp: Optical-black clamp enabled (1) or disabled (0)

 * @fpc_en: Faulty pixels correction enabled (1) or disabled (0)

 * @blcomp: Black level compensation configuration

 * @clamp: Optical-black or digital clamp configuration

 * @fpc: Faulty pixels correction configuration

 * @lsc: Lens shading compensation configuration

 * @update: Bitmask of controls to update during the next interrupt

 * @shadow_update: Controls update in progress by userspace

 * @syncif: Interface synchronization configuration

 * @vpcfg: Video port configuration

 * @underrun: A buffer underrun occured and a new buffer has been queued

 * @state: Streaming state

 * @lock: Serializes shadow_update with interrupt handler

 * @wait: Wait queue used to stop the module

 * @stopping: Stopping state

 * @ioctl_lock: Serializes ioctl calls and LSC requests freeing

 */

struct isp_ccdc_device {

	struct v4l2_subdev subdev;

	struct media_pad pads[CCDC_PADS_NUM];

	struct v4l2_mbus_framefmt formats[CCDC_PADS_NUM];



	enum ccdc_input_entity input;

	unsigned int output;

	struct isp_video video_out;

	unsigned int error;



	unsigned int alaw:1,

		     lpf:1,

		     obclamp:1,

		     fpc_en:1;

	struct omap3isp_ccdc_blcomp blcomp;

	struct omap3isp_ccdc_bclamp clamp;

	struct omap3isp_ccdc_fpc fpc;

	struct ispccdc_lsc lsc;

	unsigned int update;

	unsigned int shadow_update;



	struct ispccdc_syncif syncif;

	struct ispccdc_vp vpcfg;



	unsigned int underrun:1;

	enum isp_pipeline_stream_state state;

	spinlock_t lock;

	wait_queue_head_t wait;

	unsigned int stopping;

	struct mutex ioctl_lock;

};



struct isp_device;



int omap3isp_ccdc_init(struct isp_device *isp);

void omap3isp_ccdc_cleanup(struct isp_device *isp);

int omap3isp_ccdc_register_entities(struct isp_ccdc_device *ccdc,

	struct v4l2_device *vdev);

void omap3isp_ccdc_unregister_entities(struct isp_ccdc_device *ccdc);



int omap3isp_ccdc_busy(struct isp_ccdc_device *isp_ccdc);

int omap3isp_ccdc_isr(struct isp_ccdc_device *isp_ccdc, u32 events);

void omap3isp_ccdc_restore_context(struct isp_device *isp);

void omap3isp_ccdc_max_rate(struct isp_ccdc_device *ccdc,

	unsigned int *max_rate);



#endif	/* OMAP3_ISP_CCDC_H */

drivers/media/video/omap3isp/isppreview.c

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