msm: mdss: add rotation device API

#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_*/