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-rw-r--r--drivers/media/platform/davinci/vpif_display.h181
1 files changed, 181 insertions, 0 deletions
diff --git a/drivers/media/platform/davinci/vpif_display.h b/drivers/media/platform/davinci/vpif_display.h
new file mode 100644
index 000000000000..8967ffb44058
--- /dev/null
+++ b/drivers/media/platform/davinci/vpif_display.h
@@ -0,0 +1,181 @@
+/*
+ * VPIF display header file
+ *
+ * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * 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 version 2.
+ *
+ * This program is distributed .as is. WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef DAVINCIHD_DISPLAY_H
+#define DAVINCIHD_DISPLAY_H
+
+/* Header files */
+#include <linux/videodev2.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-device.h>
+#include <media/videobuf-core.h>
+#include <media/videobuf2-dma-contig.h>
+#include <media/davinci/vpif_types.h>
+
+#include "vpif.h"
+
+/* Macros */
+#define VPIF_DISPLAY_VERSION "0.0.2"
+
+#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_DISPLAY_MAX_DEVICES (2)
+#define VPIF_SLICED_BUF_SIZE (256)
+#define VPIF_SLICED_MAX_SERVICES (3)
+#define VPIF_VIDEO_INDEX (0)
+#define VPIF_VBI_INDEX (1)
+#define VPIF_HBI_INDEX (2)
+
+/* Setting it to 1 as HBI/VBI support yet to be added , else 3*/
+#define VPIF_NUMOBJECTS (1)
+
+/* Macros */
+#define ISALIGNED(a) (0 == ((a) & 7))
+
+/* enumerated data types */
+/* Enumerated data type to give id to each device per channel */
+enum vpif_channel_id {
+ VPIF_CHANNEL2_VIDEO = 0, /* Channel2 Video */
+ VPIF_CHANNEL3_VIDEO, /* Channel3 Video */
+};
+
+/* structures */
+
+struct video_obj {
+ enum v4l2_field buf_field;
+ u32 latest_only; /* indicate whether to return
+ * most recent displayed frame only */
+ v4l2_std_id stdid; /* Currently selected or default
+ * standard */
+ u32 dv_preset;
+ struct v4l2_bt_timings bt_timings;
+ u32 output_id; /* Current output id */
+};
+
+struct vbi_obj {
+ int num_services;
+ struct vpif_vbi_params vbiparams; /* vpif parameters for the raw
+ * vbi data */
+};
+
+struct vpif_disp_buffer {
+ struct vb2_buffer vb;
+ struct list_head list;
+};
+
+struct common_obj {
+ /* Buffer specific parameters */
+ u8 *fbuffers[VIDEO_MAX_FRAME]; /* List of buffer pointers for
+ * storing frames */
+ u32 numbuffers; /* number of buffers */
+ struct vpif_disp_buffer *cur_frm; /* Pointer pointing to current
+ * vb2_buffer */
+ struct vpif_disp_buffer *next_frm; /* Pointer pointing to next
+ * vb2_buffer */
+ enum v4l2_memory memory; /* This field keeps track of
+ * type of buffer exchange
+ * method user has selected */
+ struct v4l2_format fmt; /* Used to store the format */
+ struct vb2_queue buffer_queue; /* Buffer queue used in
+ * video-buf */
+ /* allocator-specific contexts for each plane */
+ struct vb2_alloc_ctx *alloc_ctx;
+
+ struct list_head dma_queue; /* Queue of filled frames */
+ spinlock_t irqlock; /* Used in video-buf */
+
+ /* channel specific parameters */
+ struct mutex lock; /* lock used to access this
+ * structure */
+ u32 io_usrs; /* number of users performing
+ * IO */
+ u8 started; /* Indicates whether streaming
+ * started */
+ u32 ytop_off; /* offset of Y top from the
+ * starting of the buffer */
+ u32 ybtm_off; /* offset of Y bottom from the
+ * starting of the buffer */
+ u32 ctop_off; /* offset of C top from the
+ * starting of the buffer */
+ u32 cbtm_off; /* offset of C bottom from the
+ * starting of the buffer */
+ /* Function pointer to set the addresses */
+ void (*set_addr) (unsigned long, unsigned long,
+ unsigned long, unsigned long);
+ u32 height;
+ u32 width;
+};
+
+struct channel_obj {
+ /* V4l2 specific parameters */
+ struct video_device *video_dev; /* Identifies video device for
+ * this channel */
+ struct v4l2_prio_state prio; /* Used to keep track of state of
+ * the priority */
+ atomic_t usrs; /* number of open instances of
+ * the channel */
+ u32 field_id; /* Indicates id of the field
+ * which is being displayed */
+ u8 initialized; /* flag to indicate whether
+ * encoder is initialized */
+
+ enum vpif_channel_id channel_id;/* Identifies channel */
+ struct vpif_params vpifparams;
+ struct common_obj common[VPIF_NUMOBJECTS];
+ struct video_obj video;
+ struct vbi_obj vbi;
+};
+
+/* File handle structure */
+struct vpif_fh {
+ struct channel_obj *channel; /* pointer to channel object for
+ * opened device */
+ u8 io_allowed[VPIF_NUMOBJECTS]; /* Indicates whether this file handle
+ * is doing IO */
+ enum v4l2_priority prio; /* Used to keep track priority of
+ * this instance */
+ u8 initialized; /* Used to keep track of whether this
+ * file handle has initialized
+ * channel or not */
+};
+
+/* vpif device structure */
+struct vpif_device {
+ struct v4l2_device v4l2_dev;
+ struct channel_obj *dev[VPIF_DISPLAY_NUM_CHANNELS];
+ struct v4l2_subdev **sd;
+
+};
+
+struct vpif_config_params {
+ u32 min_bufsize[VPIF_DISPLAY_NUM_CHANNELS];
+ u32 channel_bufsize[VPIF_DISPLAY_NUM_CHANNELS];
+ u8 numbuffers[VPIF_DISPLAY_NUM_CHANNELS];
+ u32 video_limit[VPIF_DISPLAY_NUM_CHANNELS];
+ u8 min_numbuffers;
+};
+
+/* Struct which keeps track of the line numbers for the sliced vbi service */
+struct vpif_service_line {
+ u16 service_id;
+ u16 service_line[2];
+ u16 enc_service_id;
+ u8 bytestowrite;
+};
+
+#endif /* DAVINCIHD_DISPLAY_H */

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