msm: mdss: add rotation device API

Define the new rotation API for the mdss rotation driver.

Change-Id: Ief25e7e6c7716db8183cb49e41cbd447b7cdfbfc
Signed-off-by: Xiaoming Zhou <zhoux@codeaurora.org>

1 files changed, 136 insertions, 0 deletions

diff --git a/include/uapi/linux/mdss_rotator.h b/include/uapi/linux/mdss_rotator.h
new file mode 100644
index 000000000000..6def3ea2f17f
--- /dev/null
+++ b/include/uapi/linux/mdss_rotator.h
@@ -0,0 +1,136 @@
+#ifndef _UAPI_MDSS_ROTATOR_H_
+#define _UAPI_MDSS_ROTATOR_H_
+
+#include <linux/msm_mdp_ext.h>
+
+#define MDSS_ROTATOR_IOCTL_MAGIC 'w'
+
+/* open a rotation session */
+#define MDSS_ROTATION_OPEN \
+	_IOWR(MDSS_ROTATOR_IOCTL_MAGIC, 1, struct mdp_rotation_config *)
+
+/* change the rotation session configuration */
+#define MDSS_ROTATION_CONFIG \
+	_IOWR(MDSS_ROTATOR_IOCTL_MAGIC, 2, struct mdp_rotation_config *)
+
+/* queue the rotation request */
+#define MDSS_ROTATION_REQUEST \
+	_IOWR(MDSS_ROTATOR_IOCTL_MAGIC, 3, struct mdp_rotation_request *)
+
+/* close a rotation session with the specified rotation session ID */
+#define MDSS_ROTATION_CLOSE	_IOW(MDSS_ROTATOR_IOCTL_MAGIC, 4, unsigned int)
+
+/**********************************************************************
+Rotation request flag
+**********************************************************************/
+/* no rotation flag, i.e. color space conversion */
+#define MDP_ROTATION_NOP		0x01
+
+/* left/right flip */
+#define MDP_ROTATION_FLIP_LR	0x02
+
+/* up/down flip */
+#define MDP_ROTATION_FLIP_UD	0x04
+
+/* rotate 90 degree */
+#define MDP_ROTATION_90			0x08
+
+/* rotate 180 degre */
+#define MDP_ROTATION_180		0x10
+
+/* rotate 270 degree */
+#define MDP_ROTATION_270		0x20
+
+/* enable bwc */
+#define MDP_ROTATION_BWC_EN		0x40
+
+/* secure data */
+#define MDP_ROTATION_SECURE		0x80
+
+/**********************************************************************
+Rotation commit flag
+**********************************************************************/
+/* Flag indicates to validate the rotation request */
+#define MDSS_ROTATION_REQUEST_VALIDATE	0x01
+
+#define MDP_ROTATION_REQUEST_VERSION_1_0	0x00010000
+
+/*
+ * Client can let driver to allocate the hardware resources with
+ * this particular hw resource id.
+ */
+#define MDSS_ROTATION_HW_ANY	0xFFFFFFFF
+
+/**********************************************************************
+configuration structures
+**********************************************************************/
+struct mdp_rotation_buf_info {
+	uint32_t width;
+	uint32_t height;
+	uint32_t format;
+};
+
+struct mdp_rotation_config {
+	uint32_t	version;
+	uint32_t	session_id;
+	struct mdp_rotation_buf_info	input;
+	struct mdp_rotation_buf_info	output;
+	uint32_t	frame_rate;
+	uint32_t	reserved[6];
+};
+
+struct mdp_rotation_item {
+	/* rotation request flag */
+	uint32_t	flags;
+
+	/* Source crop rectangle */
+	struct mdp_rect	src_rect;
+
+	/* Destination rectangle */
+	struct mdp_rect	dst_rect;
+
+	/* Input buffer for the request */
+	struct mdp_layer_buffer	input;
+
+	/* The output buffer for the request */
+	struct mdp_layer_buffer	output;
+
+	/*
+	  * DMA pipe selection for this request by client:
+	  * 0: DMA pipe 0
+	  * 1: DMA pipe 1
+	  * or MDSS_ROTATION_HW_ANY if client wants
+	  * driver to allocate any that is available
+	  */
+	uint32_t	pipe_idx;
+
+	/*
+	  * Write-back block selection for this request by client:
+	  * 0: Write-back block 0
+	  * 1: Write-back block 1
+	  * or MDSS_ROTATION_HW_ANY if client wants
+	  * driver to allocate any that is available
+	  */
+	uint32_t	wb_idx;
+
+	/* 32bits reserved value for future usage */
+	uint32_t	reserved[6];
+};
+
+struct mdp_rotation_request {
+	/* 32bit version indicates the request structure */
+	uint32_t	version;
+
+	uint32_t	flags;
+
+	/* Number of rotation request items in the list */
+	uint32_t	count;
+
+	/* Pointer to a list of rotation request items */
+	struct mdp_rotation_item __user	*list;
+
+	/* 32bits reserved value for future usage*/
+	uint32_t	reserved[6];
+};
+
+#endif /*_UAPI_MDSS_ROTATOR_H_*/