/* * Copyright (c) 2012 Samsung Electronics Co., Ltd. * * Authors: * Eunchul Kim * Jinyoung Jeon * Sangmin Lee * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. */ #ifndef _EXYNOS_DRM_IPP_H_ #define _EXYNOS_DRM_IPP_H_ #define for_each_ipp_ops(pos) \ for (pos = 0; pos < EXYNOS_DRM_OPS_MAX; pos++) #define for_each_ipp_planar(pos) \ for (pos = 0; pos < EXYNOS_DRM_PLANAR_MAX; pos++) #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 command work information. * @work: work structure. * @ippdrv: current work ippdrv. * @c_node: command node information. * @ctrl: command control. */ struct drm_exynos_ipp_cmd_work { struct work_struct work; struct exynos_drm_ippdrv *ippdrv; struct drm_exynos_ipp_cmd_node *c_node; enum drm_exynos_ipp_ctrl ctrl; }; /* * A structure of command node. * * @priv: IPP private information. * @list: list head to command queue information. * @event_list: list head of event. * @mem_list: list head to source,destination memory queue information. * @lock: lock for synchronization of access to ioctl. * @mem_lock: lock for synchronization of access to memory nodes. * @event_lock: lock for synchronization of access to scheduled event. * @start_complete: completion of start of command. * @stop_complete: completion of stop of command. * @property: property information. * @start_work: start command work structure. * @stop_work: stop command work structure. * @event_work: event work structure. * @state: state of command node. */ struct drm_exynos_ipp_cmd_node { struct exynos_drm_ipp_private *priv; struct list_head list; struct list_head event_list; struct list_head mem_list[EXYNOS_DRM_OPS_MAX]; struct mutex lock; struct mutex mem_lock; struct mutex event_lock; struct completion start_complete; struct completion stop_complete; struct drm_exynos_ipp_property property; struct drm_exynos_ipp_cmd_work *start_work; struct drm_exynos_ipp_cmd_work *stop_work; struct drm_exynos_ipp_event_work *event_work; enum drm_exynos_ipp_state state; }; /* * A structure of buffer information. * * @handles: Y, Cb, Cr each gem object handle. * @base: Y, Cb, Cr each planar address. */ struct drm_exynos_ipp_buf_info { unsigned long handles[EXYNOS_DRM_PLANAR_MAX]; dma_addr_t base[EXYNOS_DRM_PLANAR_MAX]; }; /* * A structure of wb setting information. * * @enable: enable flag for wb. * @refresh: HZ of the refresh rate. */ struct drm_exynos_ipp_set_wb { __u32 enable; __u32 refresh; }; /* * A structure of event work information. * * @work: work structure. * @ippdrv: current work ippdrv. * @buf_id: id of src, dst buffer. */ struct drm_exynos_ipp_event_work { struct work_struct work; struct exynos_drm_ippdrv *ippdrv; u32 buf_id[EXYNOS_DRM_OPS_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, bool *swap); 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_type buf_type); }; /* * A structure of ipp driver. * * @drv_list: list head for registed sub driver information. * @parent_dev: parent device information. * @dev: platform device. * @drm_dev: drm device. * @ipp_id: id of ipp driver. * @dedicated: dedicated ipp device. * @ops: source, destination operations. * @event_workq: event work queue. * @c_node: current command information. * @cmd_list: list head for command information. * @cmd_lock: lock for synchronization of access to cmd_list. * @prop_list: property informations of current ipp driver. * @check_property: check property about format, size, buffer. * @reset: reset ipp block. * @start: ipp each device start. * @stop: ipp each device stop. * @sched_event: work schedule handler. */ struct exynos_drm_ippdrv { struct list_head drv_list; struct device *parent_dev; struct device *dev; struct drm_device *drm_dev; bool dedicated; struct exynos_drm_ipp_ops *ops[EXYNOS_DRM_OPS_MAX]; struct workqueue_struct *event_workq; struct drm_exynos_ipp_cmd_node *c_node; struct list_head cmd_list; struct mutex cmd_lock; struct drm_exynos_ipp_prop_list prop_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); void (*sched_event)(struct work_struct *work); }; #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_queue_buf(struct drm_device *drm_dev, void *data, struct drm_file *file); extern int exynos_drm_ipp_cmd_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); extern void ipp_sched_cmd(struct work_struct *work); extern void ipp_sched_event(struct work_struct *work); #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_queue_buf(struct drm_device *drm_dev, void *data, struct drm_file *file) { return -ENOTTY; } static inline int exynos_drm_ipp_cmd_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 #endif /* _EXYNOS_DRM_IPP_H_ */