/* * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. *//* * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License * Version 2 or later at the following locations: * * http://www.opensource.org/licenses/gpl-license.html * http://www.gnu.org/copyleft/gpl.html *//*! * @defgroup MXC_V4L2_OUTPUT MXC V4L2 Video Output Driver *//*! * @file mxc_v4l2_output.h * * @brief MXC V4L2 Video Output Driver Header file * * Video4Linux2 Output Device using MXC IPU Post-processing functionality. * * @ingroup MXC_V4L2_OUTPUT */#ifndef __MXC_V4L2_OUTPUT_H__#define __MXC_V4L2_OUTPUT_H__#include <media/v4l2-dev.h>#ifdef __KERNEL__#include <asm/arch/ipu.h>#include <asm/arch/mxc_v4l2.h>#define MIN_FRAME_NUM 2#define MAX_FRAME_NUM 30#define MXC_V4L2_OUT_NUM_OUTPUTS        4#define MXC_V4L2_OUT_2_SDC              0#define MXC_V4L2_OUT_2_ADC              1typedef struct {	int list[MAX_FRAME_NUM + 1];	int head;	int tail;} v4l_queue;/*! * States for the video stream */typedef enum {	STATE_STREAM_OFF,	STATE_STREAM_ON,	STATE_STREAM_PAUSED,	STATE_STREAM_STOPPING,} v4lout_state;/*! * States for tearing protection  */typedef enum {	TEARING_PROTECTION_INACTIVE,	TEARING_PROTECTION_ACTIVE,	TEARING_PROTECTION_UNSUPPORTED} v4l_tear_protect;/*! * common v4l2 driver structure. */typedef struct _vout_data {	struct video_device *video_dev;	/*!	 * semaphore guard against SMP multithreading	 */	struct semaphore busy_lock;	/*!	 * number of process that have device open	 */	int open_count;	v4l_tear_protect tear_protection;	/*!	 * params lock for this camera	 */	struct semaphore param_lock;	struct timer_list output_timer;	unsigned long start_jiffies;	u32 frame_count;	v4l_queue ready_q;	v4l_queue done_q;	s8 next_rdy_ipu_buf;	s8 next_done_ipu_buf;	s8 ipu_buf[2];	volatile v4lout_state state;	int cur_disp_output;	int output_fb_num[MXC_V4L2_OUT_NUM_OUTPUTS];	int output_enabled[MXC_V4L2_OUT_NUM_OUTPUTS];	struct v4l2_framebuffer v4l2_fb;	ipu_channel_t display_ch;	ipu_channel_t post_proc_ch;	/*!	 * FRAME_NUM-buffering, so we need a array	 */	int buffer_cnt;	dma_addr_t queue_buf_paddr[MAX_FRAME_NUM];	void *queue_buf_vaddr[MAX_FRAME_NUM];	u32 queue_buf_size;	struct v4l2_buffer v4l2_bufs[MAX_FRAME_NUM];	u32 sdc_fg_buf_size;	dma_addr_t display_bufs[2];	void *display_bufs_vaddr[2];	dma_addr_t rot_pp_bufs[2];	void *rot_pp_bufs_vaddr[2];	u32 rot_pp_buf_size;	/*!	 * Poll wait queue	 */	wait_queue_head_t v4l_bufq;	/*!	 * v4l2 format	 */	struct v4l2_format v2f;	struct v4l2_mxc_offset offset;	ipu_rotate_mode_t rotate;	/* crop */	struct v4l2_rect crop_bounds[MXC_V4L2_OUT_NUM_OUTPUTS];	struct v4l2_rect crop_current;} vout_data;#endif#endif				/* __MXC_V4L2_OUTPUT_H__ */