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-rw-r--r--drivers/media/video/davinci/vpif_capture.h165
1 files changed, 165 insertions, 0 deletions
diff --git a/drivers/media/video/davinci/vpif_capture.h b/drivers/media/video/davinci/vpif_capture.h
new file mode 100644
index 00000000000..4e12ec8cac6
--- /dev/null
+++ b/drivers/media/video/davinci/vpif_capture.h
@@ -0,0 +1,165 @@
+/*
+ * Copyright (C) 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.
+ *
+ * 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
+ */
+
+#ifndef VPIF_CAPTURE_H
+#define VPIF_CAPTURE_H
+
+#ifdef __KERNEL__
+
+/* Header files */
+#include <linux/videodev2.h>
+#include <linux/version.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-device.h>
+#include <media/videobuf-core.h>
+#include <media/videobuf-dma-contig.h>
+#include <mach/dm646x.h>
+
+#include "vpif.h"
+
+/* Macros */
+#define VPIF_MAJOR_RELEASE 0
+#define VPIF_MINOR_RELEASE 0
+#define VPIF_BUILD 1
+#define VPIF_CAPTURE_VERSION_CODE ((VPIF_MAJOR_RELEASE << 16) | \
+ (VPIF_MINOR_RELEASE << 8) | VPIF_BUILD)
+
+#define VPIF_VALID_FIELD(field) (((V4L2_FIELD_ANY == field) || \
+ (V4L2_FIELD_NONE == field)) || \
+ (((V4L2_FIELD_INTERLACED == field) || \
+ (V4L2_FIELD_SEQ_TB == field)) || \
+ (V4L2_FIELD_SEQ_BT == field)))
+
+#define VPIF_CAPTURE_MAX_DEVICES 2
+#define VPIF_VIDEO_INDEX 0
+#define VPIF_NUMBER_OF_OBJECTS 1
+
+/* Enumerated data type to give id to each device per channel */
+enum vpif_channel_id {
+ VPIF_CHANNEL0_VIDEO = 0,
+ VPIF_CHANNEL1_VIDEO,
+};
+
+struct video_obj {
+ enum v4l2_field buf_field;
+ /* Currently selected or default standard */
+ v4l2_std_id stdid;
+ /* This is to track the last input that is passed to application */
+ u32 input_idx;
+};
+
+struct common_obj {
+ /* Pointer pointing to current v4l2_buffer */
+ struct videobuf_buffer *cur_frm;
+ /* Pointer pointing to current 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;
+ /* 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;
+ /* lock used to access this structure */
+ struct mutex lock;
+ /* number of users performing IO */
+ u32 io_usrs;
+ /* Indicates whether streaming started */
+ u8 started;
+ /* Function pointer to set the addresses */
+ void (*set_addr) (unsigned long, unsigned long, unsigned long,
+ unsigned long);
+ /* offset where Y top starts from the starting of the buffer */
+ u32 ytop_off;
+ /* offset where Y bottom starts from the starting of the buffer */
+ u32 ybtm_off;
+ /* offset where C top starts from the starting of the buffer */
+ u32 ctop_off;
+ /* offset where C bottom starts from the starting of the buffer */
+ u32 cbtm_off;
+ /* Indicates width of the image data */
+ u32 width;
+ /* Indicates height of the image data */
+ u32 height;
+};
+
+struct channel_obj {
+ /* Identifies video device for this channel */
+ struct video_device *video_dev;
+ /* Used to keep track of state of the priority */
+ struct v4l2_prio_state prio;
+ /* number of open instances of the channel */
+ int usrs;
+ /* Indicates id of the field which is being displayed */
+ u32 field_id;
+ /* flag to indicate whether decoder is initialized */
+ u8 initialized;
+ /* Identifies channel */
+ enum vpif_channel_id channel_id;
+ /* index into sd table */
+ int curr_sd_index;
+ /* ptr to current sub device information */
+ struct vpif_subdev_info *curr_subdev_info;
+ /* vpif configuration params */
+ struct vpif_params vpifparams;
+ /* common object array */
+ struct common_obj common[VPIF_NUMBER_OF_OBJECTS];
+ /* video object */
+ struct video_obj video;
+};
+
+/* File handle structure */
+struct vpif_fh {
+ /* pointer to channel object for opened device */
+ struct channel_obj *channel;
+ /* Indicates whether this file handle is doing IO */
+ u8 io_allowed[VPIF_NUMBER_OF_OBJECTS];
+ /* Used to keep track priority of this instance */
+ enum v4l2_priority prio;
+ /* Used to indicate channel is initialize or not */
+ u8 initialized;
+};
+
+struct vpif_device {
+ struct v4l2_device v4l2_dev;
+ struct channel_obj *dev[VPIF_CAPTURE_NUM_CHANNELS];
+ struct v4l2_subdev **sd;
+};
+
+struct vpif_config_params {
+ u8 min_numbuffers;
+ u8 numbuffers[VPIF_CAPTURE_NUM_CHANNELS];
+ s8 device_type;
+ u32 min_bufsize[VPIF_CAPTURE_NUM_CHANNELS];
+ u32 channel_bufsize[VPIF_CAPTURE_NUM_CHANNELS];
+ u8 default_device[VPIF_CAPTURE_NUM_CHANNELS];
+ u8 max_device_type;
+};
+/* Struct which keeps track of the line numbers for the sliced vbi service */
+struct vpif_service_line {
+ u16 service_id;
+ u16 service_line[2];
+};
+#endif /* End of __KERNEL__ */
+#endif /* VPIF_CAPTURE_H */