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msm: mdss: add rotation device API

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Define the new rotation API for the mdss rotation driver.

Change-Id: Ief25e7e6c7716db8183cb49e41cbd447b7cdfbfc
Signed-off-by: Xiaoming Zhou <zhoux@codeaurora.org>
This commit is contained in:
Xiaoming Zhou 2014-11-18 11:45:35 -05:00 • committed by David Keitel
parent d3b2767d4b
commit 328e4bd174
1 changed files with 136 additions and 0 deletions
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136
include/uapi/linux/mdss_rotator.h Normal file
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#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_*/