[mirror_ubuntu-artful-kernel.git] / include / media / davinci / vpfe_capture.h

/*
 * Copyright (C) 2008-2009 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.
 */

#ifndef _VPFE_CAPTURE_H
#define _VPFE_CAPTURE_H

#ifdef __KERNEL__

/* Header files */
#include <media/v4l2-dev.h>
#include <linux/videodev2.h>
#include <linux/clk.h>
#include <linux/i2c.h>
#include <media/v4l2-fh.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-device.h>
#include <media/videobuf-dma-contig.h>
#include <media/davinci/vpfe_types.h>

#define VPFE_CAPTURE_NUM_DECODERS        5

/* Macros */
#define VPFE_MAJOR_RELEASE              0
#define VPFE_MINOR_RELEASE              0
#define VPFE_BUILD                      1
#define VPFE_CAPTURE_VERSION_CODE       ((VPFE_MAJOR_RELEASE << 16) | \
					(VPFE_MINOR_RELEASE << 8)  | \
					VPFE_BUILD)

#define CAPTURE_DRV_NAME		"vpfe-capture"

struct vpfe_pixel_format {
	struct v4l2_fmtdesc fmtdesc;
	/* bytes per pixel */
	int bpp;
};

struct vpfe_std_info {
	int active_pixels;
	int active_lines;
	/* current frame format */
	int frame_format;
};

struct vpfe_route {
	u32 input;
	u32 output;
};

struct vpfe_subdev_info {
	/* Sub device name */
	char name[32];
	/* Sub device group id */
	int grp_id;
	/* Number of inputs supported */
	int num_inputs;
	/* inputs available at the sub device */
	struct v4l2_input *inputs;
	/* Sub dev routing information for each input */
	struct vpfe_route *routes;
	/* check if sub dev supports routing */
	int can_route;
	/* ccdc bus/interface configuration */
	struct vpfe_hw_if_param ccdc_if_params;
	/* i2c subdevice board info */
	struct i2c_board_info board_info;
};

struct vpfe_config {
	/* Number of sub devices connected to vpfe */
	int num_subdevs;
	/* i2c bus adapter no */
	int i2c_adapter_id;
	/* information about each subdev */
	struct vpfe_subdev_info *sub_devs;
	/* evm card info */
	char *card_name;
	/* ccdc name */
	char *ccdc;
	/* vpfe clock */
	struct clk *vpssclk;
	struct clk *slaveclk;
	/* Function for Clearing the interrupt */
	void (*clr_intr)(int vdint);
};

struct vpfe_device {
	/* V4l2 specific parameters */
	/* Identifies video device for this channel */
	struct video_device video_dev;
	/* sub devices */
	struct v4l2_subdev **sd;
	/* vpfe cfg */
	struct vpfe_config *cfg;
	/* V4l2 device */
	struct v4l2_device v4l2_dev;
	/* parent device */
	struct device *pdev;
	/* number of open instances of the channel */
	u32 usrs;
	/* Indicates id of the field which is being displayed */
	u32 field_id;
	/* flag to indicate whether decoder is initialized */
	u8 initialized;
	/* current interface type */
	struct vpfe_hw_if_param vpfe_if_params;
	/* ptr to currently selected sub device */
	struct vpfe_subdev_info *current_subdev;
	/* current input at the sub device */
	int current_input;
	/* Keeps track of the information about the standard */
	struct vpfe_std_info std_info;
	/* std index into std table */
	int std_index;
	/* CCDC IRQs used when CCDC/ISIF output to SDRAM */
	unsigned int ccdc_irq0;
	unsigned int ccdc_irq1;
	/* number of buffers in fbuffers */
	u32 numbuffers;
	/* List of buffer pointers for storing frames */
	u8 *fbuffers[VIDEO_MAX_FRAME];
	/* Pointer pointing to current v4l2_buffer */
	struct videobuf_buffer *cur_frm;
	/* Pointer pointing to next v4l2_buffer */
	struct videobuf_buffer *next_frm;
	/*
	 * This field keeps track of type of buffer exchange mechanism
	 * user has selected
	 */
	enum v4l2_memory memory;
	/* Used to store pixel format */
	struct v4l2_format fmt;
	/*
	 * used when IMP is chained to store the crop window which
	 * is different from the image window
	 */
	struct v4l2_rect crop;
	/* Buffer queue used in video-buf */
	struct videobuf_queue buffer_queue;
	/* Queue of filled frames */
	struct list_head dma_queue;
	/* Used in video-buf */
	spinlock_t irqlock;
	/* IRQ lock for DMA queue */
	spinlock_t dma_queue_lock;
	/* lock used to access this structure */
	struct mutex lock;
	/* number of users performing IO */
	u32 io_usrs;
	/* Indicates whether streaming started */
	u8 started;
	/*
	 * offset where second field starts from the starting of the
	 * buffer for field separated YCbCr formats
	 */
	u32 field_off;
};

/* File handle structure */
struct vpfe_fh {
	struct v4l2_fh fh;
	struct vpfe_device *vpfe_dev;
	/* Indicates whether this file handle is doing IO */
	u8 io_allowed;
};

struct vpfe_config_params {
	u8 min_numbuffers;
	u8 numbuffers;
	u32 min_bufsize;
	u32 device_bufsize;
};

#endif				/* End of __KERNEL__ */
#endif				/* _DAVINCI_VPFE_H */
Commit	Line	Data
7da8a6cb MK	1	/*
	2	* Copyright (C) 2008-2009 Texas Instruments Inc
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License as published by
	6	* the Free Software Foundation; either version 2 of the License, or
	7	* (at your option) any later version.
	8	*
	9	* This program is distributed in the hope that it will be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	* GNU General Public License for more details.
7da8a6cb MK	13	*/
	14
	15	#ifndef _VPFE_CAPTURE_H
	16	#define _VPFE_CAPTURE_H
	17
	18	#ifdef __KERNEL__
	19
	20	/* Header files */
	21	#include <media/v4l2-dev.h>
	22	#include <linux/videodev2.h>
	23	#include <linux/clk.h>
	24	#include <linux/i2c.h>
3bdaa382	25	#include <media/v4l2-fh.h>
7da8a6cb MK	26	#include <media/v4l2-ioctl.h>
	27	#include <media/v4l2-device.h>
	28	#include <media/videobuf-dma-contig.h>
	29	#include <media/davinci/vpfe_types.h>
	30
	31	#define VPFE_CAPTURE_NUM_DECODERS 5
	32
	33	/* Macros */
	34	#define VPFE_MAJOR_RELEASE 0
	35	#define VPFE_MINOR_RELEASE 0
	36	#define VPFE_BUILD 1
	37	#define VPFE_CAPTURE_VERSION_CODE ((VPFE_MAJOR_RELEASE << 16) \| \
	38	(VPFE_MINOR_RELEASE << 8) \| \
	39	VPFE_BUILD)
	40
	41	#define CAPTURE_DRV_NAME "vpfe-capture"
	42
	43	struct vpfe_pixel_format {
	44	struct v4l2_fmtdesc fmtdesc;
	45	/* bytes per pixel */
	46	int bpp;
	47	};
	48
	49	struct vpfe_std_info {
	50	int active_pixels;
	51	int active_lines;
	52	/* current frame format */
	53	int frame_format;
	54	};
	55
	56	struct vpfe_route {
	57	u32 input;
	58	u32 output;
	59	};
	60
	61	struct vpfe_subdev_info {
	62	/* Sub device name */
	63	char name[32];
	64	/* Sub device group id */
	65	int grp_id;
	66	/* Number of inputs supported */
	67	int num_inputs;
	68	/* inputs available at the sub device */
	69	struct v4l2_input *inputs;
	70	/* Sub dev routing information for each input */
	71	struct vpfe_route *routes;
	72	/* check if sub dev supports routing */
	73	int can_route;
	74	/* ccdc bus/interface configuration */
	75	struct vpfe_hw_if_param ccdc_if_params;
	76	/* i2c subdevice board info */
	77	struct i2c_board_info board_info;
	78	};
	79
	80	struct vpfe_config {
	81	/* Number of sub devices connected to vpfe */
	82	int num_subdevs;
e53a70b4 VH	83	/* i2c bus adapter no */
e53a70b4 VH	84	int i2c_adapter_id;
7da8a6cb MK	85	/* information about each subdev */
	86	struct vpfe_subdev_info *sub_devs;
	87	/* evm card info */
	88	char *card_name;
	89	/* ccdc name */
	90	char *ccdc;
	91	/* vpfe clock */
	92	struct clk *vpssclk;
	93	struct clk *slaveclk;
085b54a2 VH	94	/* Function for Clearing the interrupt */
085b54a2 VH	95	void (*clr_intr)(int vdint);
7da8a6cb MK	96	};
	97
	98	struct vpfe_device {
	99	/* V4l2 specific parameters */
	100	/* Identifies video device for this channel */
03c278f0	101	struct video_device video_dev;
7da8a6cb MK	102	/* sub devices */
	103	struct v4l2_subdev **sd;
	104	/* vpfe cfg */
	105	struct vpfe_config *cfg;
	106	/* V4l2 device */
	107	struct v4l2_device v4l2_dev;
	108	/* parent device */
	109	struct device *pdev;
7da8a6cb MK	110	/* number of open instances of the channel */
	111	u32 usrs;
	112	/* Indicates id of the field which is being displayed */
	113	u32 field_id;
	114	/* flag to indicate whether decoder is initialized */
	115	u8 initialized;
	116	/* current interface type */
	117	struct vpfe_hw_if_param vpfe_if_params;
	118	/* ptr to currently selected sub device */
	119	struct vpfe_subdev_info *current_subdev;
	120	/* current input at the sub device */
	121	int current_input;
	122	/* Keeps track of the information about the standard */
	123	struct vpfe_std_info std_info;
	124	/* std index into std table */
	125	int std_index;
	126	/* CCDC IRQs used when CCDC/ISIF output to SDRAM */
	127	unsigned int ccdc_irq0;
	128	unsigned int ccdc_irq1;
	129	/* number of buffers in fbuffers */
	130	u32 numbuffers;
	131	/* List of buffer pointers for storing frames */
	132	u8 *fbuffers[VIDEO_MAX_FRAME];
	133	/* Pointer pointing to current v4l2_buffer */
	134	struct videobuf_buffer *cur_frm;
	135	/* Pointer pointing to next v4l2_buffer */
	136	struct videobuf_buffer *next_frm;
	137	/*
	138	* This field keeps track of type of buffer exchange mechanism
	139	* user has selected
	140	*/
	141	enum v4l2_memory memory;
	142	/* Used to store pixel format */
	143	struct v4l2_format fmt;
	144	/*
	145	* used when IMP is chained to store the crop window which
	146	* is different from the image window
	147	*/
	148	struct v4l2_rect crop;
	149	/* Buffer queue used in video-buf */
	150	struct videobuf_queue buffer_queue;
	151	/* Queue of filled frames */
	152	struct list_head dma_queue;
	153	/* Used in video-buf */
	154	spinlock_t irqlock;
	155	/* IRQ lock for DMA queue */
	156	spinlock_t dma_queue_lock;
	157	/* lock used to access this structure */
	158	struct mutex lock;
	159	/* number of users performing IO */
	160	u32 io_usrs;
	161	/* Indicates whether streaming started */
	162	u8 started;
	163	/*
	164	* offset where second field starts from the starting of the
3ad2f3fb	165	* buffer for field separated YCbCr formats
7da8a6cb MK	166	*/
	167	u32 field_off;
	168	};
	169
	170	/* File handle structure */
	171	struct vpfe_fh {
3bdaa382	172	struct v4l2_fh fh;
7da8a6cb MK	173	struct vpfe_device *vpfe_dev;
	174	/* Indicates whether this file handle is doing IO */
	175	u8 io_allowed;
7da8a6cb MK	176	};
	177
	178	struct vpfe_config_params {
	179	u8 min_numbuffers;
	180	u8 numbuffers;
	181	u32 min_bufsize;
	182	u32 device_bufsize;
	183	};
	184
	185	#endif /* End of __KERNEL__ */
7da8a6cb	186	#endif /* _DAVINCI_VPFE_H */