/*
 * Copyright (C) 2005 Texas Instruments Inc
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
/* vpfe.h */
#include "ccdc_davinci.h"
#include "tvp5146.h"

#define TRUE 1
#define FALSE 0

/* vpfe specific video standards */
#define VPFE_STD_625_50_SQP ((V4L2_STD_625_50)<<32)
#define VPFE_STD_525_60_SQP ((V4L2_STD_525_60)<<32)
#define VPFE_STD_AUTO ((v4l2_std_id)(0x1000000000000000ULL))
#define VPFE_STD_AUTO_SQP ((v4l2_std_id)(0x2000000000000000ULL))

#define VPFE_MAJOR_RELEASE 0
#define VPFE_MINOR_RELEASE 0
#define VPFE_BUILD         1

#define VPFE_VERSION_CODE \
     (VPFE_MAJOR_RELEASE<<16)  | (VPFE_MINOR_RELEASE<<8) | VPFE_BUILD

/* By default, the driver is setup for NTSC input */
#define VPFE_DEFAULT_STD V4L2_STD_NTSC

/* settings for commonly used video formats */
#define VPFE_WIN_NTSC    {0,0,720,480}
#define VPFE_WIN_PAL     {0,0,720,576}
#define VPFE_WIN_NTSC_SP {0,0,640,480}    /* ntsc square pixel */
#define VPFE_WIN_PAL_SP  {0,0,768,576}    /* pal square pixel */
#define VPFE_WIN_CIF     {0,0,352,288}
#define VPFE_WIN_QCIF    {0,0,176,144}
#define VPFE_WIN_QVGA    {0,0,320,240}
#define VPFE_WIN_SIF     {0,0,352,240}

#define VPFE_PIXELASPECT_NTSC {11, 10}
#define VPFE_PIXELASPECT_PAL  {54, 59}
#define VPFE_PIXELASPECT_NTSC_SP    {1, 1}
#define VPFE_PIXELASPECT_PAL_SP     {1, 1}
#define VPFE_PIXELASPECT_DEFAULT    {1, 1}

/* maximum number of frame buffers that driver supports */
#define VPFE_MAX_NUM_FBUFS        10    
#define VPFE_MAX_FRAME_WIDTH      768   /* account for PAL Square pixel mode */
#define VPFE_MAX_FRAME_HEIGHT     576   /* account for PAL                   */
/* 4:2:2 data */
#define VPFE_MAX_FBUF_SIZE       (VPFE_MAX_FRAME_WIDTH*VPFE_MAX_FRAME_HEIGHT*2)    
/* frame buffers allocate at driver initialization time */
#define VPFE_DEFNUM_FBUFS             2    

#define VPFE_CMD_CONFIG_CCDC _IOW('V',BASE_VIDIOC_PRIVATE + 1,ccdc_params_ycbcr)
#define VPFE_CMD_LATEST_FRM_ONLY   _IOW('V',BASE_VIDIOC_PRIVATE + 2,int)
#define VPFE_CMD_CONFIG_TVP5146 _IOW('V',BASE_VIDIOC_PRIVATE + 3,tvp5146_params)

typedef struct vpfe_buffer_obj {
    struct list_head list;
    u8 *ptr;
    u32 index;
} vpfe_buffer_obj;

/* device object */
typedef struct vpfe_obj {
    struct video_device *video_dev;
    struct list_head complete_queue;    /* queue with completed frame buffers */
    struct list_head empty_queue;    /* queue with empty frame buffers     */
    u32 latest_only;    /* indicate whether to return the most recent captured 
                           buffers only */
    u32 usrs;
    u32 io_usrs;
    struct v4l2_prio_state prio;
    v4l2_std_id std;
    struct v4l2_rect vwin;
    struct v4l2_rect bounds;
    struct v4l2_fract pixelaspect;
    struct semaphore lock;
    enum v4l2_field field;
    u32 pixelfmt;
    u32 numbuffers;
    struct vpfe_buffer_obj fbuffers[VPFE_MAX_NUM_FBUFS];
    vpfe_buffer_obj *curFrm;
    vpfe_buffer_obj *nextFrm;
    int field_id;
    int mode_changed;
    int started;
    int field_offset;
    wait_queue_head_t wait_queue;
    tvp5146_params tvp5146_params;
    ccdc_params_ycbcr ccdc_params;
} vpfe_obj;

/* file handle */
typedef struct vpfe_fh {
    struct vpfe_obj *dev;
    int io_allowed;
    enum v4l2_priority prio;
} vpfe_fh;