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/*
* Copyright (c) 2012 Samsung Electronics Co., Ltd.
*
* Authors:
* Eunchul Kim <chulspro.kim@samsung.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef _EXYNOS_DRM_IPP_H_
#define _EXYNOS_DRM_IPP_H_
#define IPP_GET_LCD_WIDTH _IOR('F', 302, int)
#define IPP_GET_LCD_HEIGHT _IOR('F', 303, int)
#define IPP_SET_WRITEBACK _IOW('F', 304, u32)
/* definition of state */
enum drm_exynos_ipp_state {
IPP_STATE_IDLE,
IPP_STATE_START,
IPP_STATE_STOP,
};
/*
* A structure of buffer information.
*
* @gem_objs: Y, Cb, Cr each gem object.
* @base: Y, Cb, Cr each planar address.
* @size: Y, Cb, Cr each planar size.
*/
struct drm_exynos_ipp_buf_info {
void *gem_objs[EXYNOS_DRM_PLANAR_MAX];
dma_addr_t base[EXYNOS_DRM_PLANAR_MAX];
uint64_t size[EXYNOS_DRM_PLANAR_MAX];
};
/*
* A structure of source,destination operations.
*
* @set_fmt: set format of image.
* @set_transf: set transform(rotations, flip).
* @set_size: set size of region.
* @set_addr: set address for dma.
*/
struct exynos_drm_ipp_ops {
int (*set_fmt)(struct device *dev, u32 fmt);
int (*set_transf)(struct device *dev,
enum drm_exynos_degree degree,
enum drm_exynos_flip flip);
int (*set_size)(struct device *dev, int swap,
struct drm_exynos_pos *pos, struct drm_exynos_sz *sz);
int (*set_addr)(struct device *dev,
struct drm_exynos_ipp_buf_info *buf_info, u32 buf_id,
enum drm_exynos_ipp_buf_ctrl buf_ctrl);
};
/*
* A structure of ipp driver.
*
* @list: list head.
* @dev: platform device.
* @drm_dev: drm device.
* @state: state of ipp drivers.
* @ipp_id: id of ipp driver.
* @dedicated: dedicated ipp device.
* @iommu_used: iommu used status.
* @cmd: used command.
* @ops: source, destination operations.
* @property: current property.
* @prop_idr: property idr.
* @cmd_list: list head to command information.
* @event_list: list head to event information.
* @reset: reset ipp block.
* @check_property: check property about format, size, buffer.
* @start: ipp each device start.
* @stop: ipp each device stop.
*/
struct exynos_drm_ippdrv {
struct list_head list;
struct device *dev;
struct drm_device *drm_dev;
enum drm_exynos_ipp_state state;
u32 ipp_id;
bool dedicated;
bool iommu_used;
enum drm_exynos_ipp_cmd cmd;
struct exynos_drm_ipp_ops *ops[EXYNOS_DRM_OPS_MAX];
struct drm_exynos_ipp_property *property;
struct idr prop_idr;
struct list_head cmd_list;
struct list_head event_list;
int (*check_property)(struct device *dev,
struct drm_exynos_ipp_property *property);
int (*reset)(struct device *dev);
int (*start)(struct device *dev, enum drm_exynos_ipp_cmd cmd);
void (*stop)(struct device *dev, enum drm_exynos_ipp_cmd cmd);
};
#ifdef CONFIG_DRM_EXYNOS_IPP
extern int exynos_drm_ippdrv_register(struct exynos_drm_ippdrv *ippdrv);
extern int exynos_drm_ippdrv_unregister(struct exynos_drm_ippdrv *ippdrv);
extern int exynos_drm_ipp_get_property(struct drm_device *drm_dev, void *data,
struct drm_file *file);
extern int exynos_drm_ipp_set_property(struct drm_device *drm_dev, void *data,
struct drm_file *file);
extern int exynos_drm_ipp_buf(struct drm_device *drm_dev, void *data,
struct drm_file *file);
extern int exynos_drm_ipp_ctrl(struct drm_device *drm_dev, void *data,
struct drm_file *file);
extern int exynos_drm_ippnb_register(struct notifier_block *nb);
extern int exynos_drm_ippnb_unregister(struct notifier_block *nb);
extern int exynos_drm_ippnb_send_event(unsigned long val, void *v);
#else
static inline int exynos_drm_ippdrv_register(struct exynos_drm_ippdrv *ippdrv)
{
return -ENODEV;
}
static inline int exynos_drm_ippdrv_unregister(struct exynos_drm_ippdrv *ippdrv)
{
return -ENODEV;
}
static inline int exynos_drm_ipp_get_property(struct drm_device *drm_dev,
void *data,
struct drm_file *file_priv)
{
return -ENOTTY;
}
static inline int exynos_drm_ipp_set_property(struct drm_device *drm_dev,
void *data,
struct drm_file *file_priv)
{
return -ENOTTY;
}
static inline int exynos_drm_ipp_buf(struct drm_device *drm_dev,
void *data,
struct drm_file *file)
{
return -ENOTTY;
}
static inline int exynos_drm_ipp_ctrl(struct drm_device *drm_dev,
void *data,
struct drm_file *file)
{
return -ENOTTY;
}
static inline int exynos_drm_ippnb_register(struct notifier_block *nb)
{
return -ENODEV;
}
static inline int exynos_drm_ippnb_unregister(struct notifier_block *nb)
{
return -ENODEV;
}
static inline int exynos_drm_ippnb_send_event(unsigned long val, void *v)
{
return -ENOTTY;
}
#endif
/* ToDo: Must be change to queue_work */
void ipp_send_event_handler(struct exynos_drm_ippdrv *ippdrv,
int buf_idx);
#endif /* _EXYNOS_DRM_IPP_H_ */
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