From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Wed, 5 Aug 2015 17:04:01 -0300
Subject: Initial import

---
 drivers/media/platform/omap/omap_voutdef.h | 225 +++++++++++++++++++++++++++++
 1 file changed, 225 insertions(+)
 create mode 100644 drivers/media/platform/omap/omap_voutdef.h

(limited to 'drivers/media/platform/omap/omap_voutdef.h')

diff --git a/drivers/media/platform/omap/omap_voutdef.h b/drivers/media/platform/omap/omap_voutdef.h
new file mode 100644
index 000000000..9ccfe1f47
--- /dev/null
+++ b/drivers/media/platform/omap/omap_voutdef.h
@@ -0,0 +1,225 @@
+/*
+ * omap_voutdef.h
+ *
+ * Copyright (C) 2010 Texas Instruments.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#ifndef OMAP_VOUTDEF_H
+#define OMAP_VOUTDEF_H
+
+#include <video/omapdss.h>
+#include <video/omapvrfb.h>
+
+#define YUYV_BPP        2
+#define RGB565_BPP      2
+#define RGB24_BPP       3
+#define RGB32_BPP       4
+#define TILE_SIZE       32
+#define YUYV_VRFB_BPP   2
+#define RGB_VRFB_BPP    1
+#define MAX_CID		3
+#define MAC_VRFB_CTXS	4
+#define MAX_VOUT_DEV	2
+#define MAX_OVLS	3
+#define MAX_DISPLAYS	10
+#define MAX_MANAGERS	3
+
+#define QQVGA_WIDTH		160
+#define QQVGA_HEIGHT		120
+
+/* Max Resolution supported by the driver */
+#define VID_MAX_WIDTH		1280	/* Largest width */
+#define VID_MAX_HEIGHT		720	/* Largest height */
+
+/* Mimimum requirement is 2x2 for DSS */
+#define VID_MIN_WIDTH		2
+#define VID_MIN_HEIGHT		2
+
+/* 2048 x 2048 is max res supported by OMAP display controller */
+#define MAX_PIXELS_PER_LINE     2048
+
+#define VRFB_TX_TIMEOUT         1000
+#define VRFB_NUM_BUFS		4
+
+/* Max buffer size tobe allocated during init */
+#define OMAP_VOUT_MAX_BUF_SIZE (VID_MAX_WIDTH*VID_MAX_HEIGHT*4)
+
+enum dma_channel_state {
+	DMA_CHAN_NOT_ALLOTED,
+	DMA_CHAN_ALLOTED,
+};
+
+/* Enum for Rotation
+ * DSS understands rotation in 0, 1, 2, 3 context
+ * while V4L2 driver understands it as 0, 90, 180, 270
+ */
+enum dss_rotation {
+	dss_rotation_0_degree	= 0,
+	dss_rotation_90_degree	= 1,
+	dss_rotation_180_degree	= 2,
+	dss_rotation_270_degree = 3,
+};
+
+/* Enum for choosing rotation type for vout
+ * DSS2 doesn't understand no rotation as an
+ * option while V4L2 driver doesn't support
+ * rotation in the case where VRFB is not built in
+ * the kernel
+ */
+enum vout_rotaion_type {
+	VOUT_ROT_NONE	= 0,
+	VOUT_ROT_VRFB	= 1,
+};
+
+/*
+ * This structure is used to store the DMA transfer parameters
+ * for VRFB hidden buffer
+ */
+struct vid_vrfb_dma {
+	int dev_id;
+	int dma_ch;
+	int req_status;
+	int tx_status;
+	wait_queue_head_t wait;
+};
+
+struct omapvideo_info {
+	int id;
+	int num_overlays;
+	struct omap_overlay *overlays[MAX_OVLS];
+	enum vout_rotaion_type rotation_type;
+};
+
+struct omap2video_device {
+	struct mutex  mtx;
+
+	int state;
+
+	struct v4l2_device v4l2_dev;
+	struct omap_vout_device *vouts[MAX_VOUT_DEV];
+
+	int num_displays;
+	struct omap_dss_device *displays[MAX_DISPLAYS];
+	int num_overlays;
+	struct omap_overlay *overlays[MAX_OVLS];
+	int num_managers;
+	struct omap_overlay_manager *managers[MAX_MANAGERS];
+};
+
+/* per-device data structure */
+struct omap_vout_device {
+
+	struct omapvideo_info vid_info;
+	struct video_device *vfd;
+	struct omap2video_device *vid_dev;
+	int vid;
+	int opened;
+
+	/* we don't allow to change image fmt/size once buffer has
+	 * been allocated
+	 */
+	int buffer_allocated;
+	/* allow to reuse previously allocated buffer which is big enough */
+	int buffer_size;
+	/* keep buffer info across opens */
+	unsigned long buf_virt_addr[VIDEO_MAX_FRAME];
+	unsigned long buf_phy_addr[VIDEO_MAX_FRAME];
+	enum omap_color_mode dss_mode;
+
+	/* we don't allow to request new buffer when old buffers are
+	 * still mmaped
+	 */
+	int mmap_count;
+
+	spinlock_t vbq_lock;		/* spinlock for videobuf queues */
+	unsigned long field_count;	/* field counter for videobuf_buffer */
+
+	/* non-NULL means streaming is in progress. */
+	bool streaming;
+
+	struct v4l2_pix_format pix;
+	struct v4l2_rect crop;
+	struct v4l2_window win;
+	struct v4l2_framebuffer fbuf;
+
+	/* Lock to protect the shared data structures in ioctl */
+	struct mutex lock;
+
+	/* V4L2 control structure for different control id */
+	struct v4l2_control control[MAX_CID];
+	enum dss_rotation rotation;
+	bool mirror;
+	int flicker_filter;
+	/* V4L2 control structure for different control id */
+
+	int bpp; /* bytes per pixel */
+	int vrfb_bpp; /* bytes per pixel with respect to VRFB */
+
+	struct vid_vrfb_dma vrfb_dma_tx;
+	unsigned int smsshado_phy_addr[MAC_VRFB_CTXS];
+	unsigned int smsshado_virt_addr[MAC_VRFB_CTXS];
+	struct vrfb vrfb_context[MAC_VRFB_CTXS];
+	bool vrfb_static_allocation;
+	unsigned int smsshado_size;
+	unsigned char pos;
+
+	int ps, vr_ps, line_length, first_int, field_id;
+	enum v4l2_memory memory;
+	struct videobuf_buffer *cur_frm, *next_frm;
+	struct list_head dma_queue;
+	u8 *queued_buf_addr[VIDEO_MAX_FRAME];
+	u32 cropped_offset;
+	s32 tv_field1_offset;
+	void *isr_handle;
+
+	/* Buffer queue variables */
+	struct omap_vout_device *vout;
+	enum v4l2_buf_type type;
+	struct videobuf_queue vbq;
+	int io_allowed;
+
+};
+
+/*
+ * Return true if rotation is 90 or 270
+ */
+static inline int is_rotation_90_or_270(const struct omap_vout_device *vout)
+{
+	return (vout->rotation == dss_rotation_90_degree ||
+			vout->rotation == dss_rotation_270_degree);
+}
+
+/*
+ * Return true if rotation is enabled
+ */
+static inline int is_rotation_enabled(const struct omap_vout_device *vout)
+{
+	return vout->rotation || vout->mirror;
+}
+
+/*
+ * Reverse the rotation degree if mirroring is enabled
+ */
+static inline int calc_rotation(const struct omap_vout_device *vout)
+{
+	if (!vout->mirror)
+		return vout->rotation;
+
+	switch (vout->rotation) {
+	case dss_rotation_90_degree:
+		return dss_rotation_270_degree;
+	case dss_rotation_270_degree:
+		return dss_rotation_90_degree;
+	case dss_rotation_180_degree:
+		return dss_rotation_0_degree;
+	default:
+		return dss_rotation_180_degree;
+	}
+}
+
+void omap_vout_free_buffers(struct omap_vout_device *vout);
+#endif	/* ifndef OMAP_VOUTDEF_H */
-- 
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