diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_ipp.h')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_ipp.h | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.h b/drivers/gpu/drm/exynos/exynos_drm_ipp.h new file mode 100644 index 0000000..458f747 --- /dev/null +++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.h @@ -0,0 +1,191 @@ +/* + * 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_ */ + |