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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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3164605422
prop_list is always allocated, so instead of allocating it dynamically the pointer can be replaced by the structure itself. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
252 lines
7.1 KiB
C
252 lines
7.1 KiB
C
/*
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* Copyright (c) 2012 Samsung Electronics Co., Ltd.
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*
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* Authors:
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* Eunchul Kim <chulspro.kim@samsung.com>
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* Jinyoung Jeon <jy0.jeon@samsung.com>
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* Sangmin Lee <lsmin.lee@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#ifndef _EXYNOS_DRM_IPP_H_
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#define _EXYNOS_DRM_IPP_H_
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#define for_each_ipp_ops(pos) \
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for (pos = 0; pos < EXYNOS_DRM_OPS_MAX; pos++)
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#define for_each_ipp_planar(pos) \
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for (pos = 0; pos < EXYNOS_DRM_PLANAR_MAX; pos++)
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#define IPP_GET_LCD_WIDTH _IOR('F', 302, int)
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#define IPP_GET_LCD_HEIGHT _IOR('F', 303, int)
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#define IPP_SET_WRITEBACK _IOW('F', 304, u32)
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/* definition of state */
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enum drm_exynos_ipp_state {
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IPP_STATE_IDLE,
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IPP_STATE_START,
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IPP_STATE_STOP,
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};
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/*
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* A structure of command work information.
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* @work: work structure.
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* @ippdrv: current work ippdrv.
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* @c_node: command node information.
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* @ctrl: command control.
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*/
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struct drm_exynos_ipp_cmd_work {
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struct work_struct work;
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struct exynos_drm_ippdrv *ippdrv;
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struct drm_exynos_ipp_cmd_node *c_node;
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enum drm_exynos_ipp_ctrl ctrl;
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};
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/*
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* A structure of command node.
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*
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* @priv: IPP private information.
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* @list: list head to command queue information.
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* @event_list: list head of event.
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* @mem_list: list head to source,destination memory queue information.
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* @cmd_lock: lock for synchronization of access to ioctl.
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* @mem_lock: lock for synchronization of access to memory nodes.
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* @event_lock: lock for synchronization of access to scheduled event.
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* @start_complete: completion of start of command.
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* @stop_complete: completion of stop of command.
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* @property: property information.
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* @start_work: start command work structure.
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* @stop_work: stop command work structure.
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* @event_work: event work structure.
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* @state: state of command node.
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*/
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struct drm_exynos_ipp_cmd_node {
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struct exynos_drm_ipp_private *priv;
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struct list_head list;
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struct list_head event_list;
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struct list_head mem_list[EXYNOS_DRM_OPS_MAX];
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struct mutex cmd_lock;
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struct mutex mem_lock;
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struct mutex event_lock;
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struct completion start_complete;
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struct completion stop_complete;
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struct drm_exynos_ipp_property property;
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struct drm_exynos_ipp_cmd_work *start_work;
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struct drm_exynos_ipp_cmd_work *stop_work;
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struct drm_exynos_ipp_event_work *event_work;
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enum drm_exynos_ipp_state state;
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};
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/*
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* A structure of buffer information.
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*
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* @gem_objs: Y, Cb, Cr each gem object.
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* @base: Y, Cb, Cr each planar address.
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*/
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struct drm_exynos_ipp_buf_info {
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unsigned long handles[EXYNOS_DRM_PLANAR_MAX];
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dma_addr_t base[EXYNOS_DRM_PLANAR_MAX];
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};
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/*
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* A structure of wb setting information.
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*
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* @enable: enable flag for wb.
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* @refresh: HZ of the refresh rate.
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*/
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struct drm_exynos_ipp_set_wb {
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__u32 enable;
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__u32 refresh;
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};
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/*
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* A structure of event work information.
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*
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* @work: work structure.
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* @ippdrv: current work ippdrv.
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* @buf_id: id of src, dst buffer.
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*/
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struct drm_exynos_ipp_event_work {
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struct work_struct work;
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struct exynos_drm_ippdrv *ippdrv;
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u32 buf_id[EXYNOS_DRM_OPS_MAX];
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};
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/*
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* A structure of source,destination operations.
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*
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* @set_fmt: set format of image.
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* @set_transf: set transform(rotations, flip).
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* @set_size: set size of region.
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* @set_addr: set address for dma.
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*/
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struct exynos_drm_ipp_ops {
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int (*set_fmt)(struct device *dev, u32 fmt);
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int (*set_transf)(struct device *dev,
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enum drm_exynos_degree degree,
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enum drm_exynos_flip flip, bool *swap);
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int (*set_size)(struct device *dev, int swap,
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struct drm_exynos_pos *pos, struct drm_exynos_sz *sz);
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int (*set_addr)(struct device *dev,
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struct drm_exynos_ipp_buf_info *buf_info, u32 buf_id,
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enum drm_exynos_ipp_buf_type buf_type);
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};
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/*
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* A structure of ipp driver.
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*
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* @drv_list: list head for registed sub driver information.
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* @parent_dev: parent device information.
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* @dev: platform device.
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* @drm_dev: drm device.
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* @ipp_id: id of ipp driver.
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* @dedicated: dedicated ipp device.
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* @ops: source, destination operations.
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* @event_workq: event work queue.
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* @c_node: current command information.
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* @cmd_list: list head for command information.
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* @prop_list: property informations of current ipp driver.
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* @check_property: check property about format, size, buffer.
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* @reset: reset ipp block.
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* @start: ipp each device start.
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* @stop: ipp each device stop.
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* @sched_event: work schedule handler.
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*/
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struct exynos_drm_ippdrv {
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struct list_head drv_list;
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struct device *parent_dev;
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struct device *dev;
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struct drm_device *drm_dev;
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bool dedicated;
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struct exynos_drm_ipp_ops *ops[EXYNOS_DRM_OPS_MAX];
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struct workqueue_struct *event_workq;
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struct drm_exynos_ipp_cmd_node *c_node;
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struct list_head cmd_list;
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struct drm_exynos_ipp_prop_list prop_list;
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int (*check_property)(struct device *dev,
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struct drm_exynos_ipp_property *property);
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int (*reset)(struct device *dev);
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int (*start)(struct device *dev, enum drm_exynos_ipp_cmd cmd);
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void (*stop)(struct device *dev, enum drm_exynos_ipp_cmd cmd);
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void (*sched_event)(struct work_struct *work);
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};
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#ifdef CONFIG_DRM_EXYNOS_IPP
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extern int exynos_drm_ippdrv_register(struct exynos_drm_ippdrv *ippdrv);
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extern int exynos_drm_ippdrv_unregister(struct exynos_drm_ippdrv *ippdrv);
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extern int exynos_drm_ipp_get_property(struct drm_device *drm_dev, void *data,
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struct drm_file *file);
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extern int exynos_drm_ipp_set_property(struct drm_device *drm_dev, void *data,
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struct drm_file *file);
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extern int exynos_drm_ipp_queue_buf(struct drm_device *drm_dev, void *data,
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struct drm_file *file);
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extern int exynos_drm_ipp_cmd_ctrl(struct drm_device *drm_dev, void *data,
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struct drm_file *file);
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extern int exynos_drm_ippnb_register(struct notifier_block *nb);
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extern int exynos_drm_ippnb_unregister(struct notifier_block *nb);
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extern int exynos_drm_ippnb_send_event(unsigned long val, void *v);
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extern void ipp_sched_cmd(struct work_struct *work);
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extern void ipp_sched_event(struct work_struct *work);
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#else
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static inline int exynos_drm_ippdrv_register(struct exynos_drm_ippdrv *ippdrv)
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{
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return -ENODEV;
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}
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static inline int exynos_drm_ippdrv_unregister(struct exynos_drm_ippdrv *ippdrv)
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{
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return -ENODEV;
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}
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static inline int exynos_drm_ipp_get_property(struct drm_device *drm_dev,
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void *data,
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struct drm_file *file_priv)
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{
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return -ENOTTY;
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}
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static inline int exynos_drm_ipp_set_property(struct drm_device *drm_dev,
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void *data,
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struct drm_file *file_priv)
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{
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return -ENOTTY;
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}
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static inline int exynos_drm_ipp_queue_buf(struct drm_device *drm_dev,
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void *data,
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struct drm_file *file)
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{
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return -ENOTTY;
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}
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static inline int exynos_drm_ipp_cmd_ctrl(struct drm_device *drm_dev,
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void *data,
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struct drm_file *file)
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{
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return -ENOTTY;
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}
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static inline int exynos_drm_ippnb_register(struct notifier_block *nb)
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{
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return -ENODEV;
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}
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static inline int exynos_drm_ippnb_unregister(struct notifier_block *nb)
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{
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return -ENODEV;
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}
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static inline int exynos_drm_ippnb_send_event(unsigned long val, void *v)
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{
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return -ENOTTY;
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}
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#endif
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#endif /* _EXYNOS_DRM_IPP_H_ */
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