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cb471f14 EK |
1 | /* |
2 | * Copyright (c) 2012 Samsung Electronics Co., Ltd. | |
3 | * | |
4 | * Authors: | |
5 | * Eunchul Kim <chulspro.kim@samsung.com> | |
6 | * Jinyoung Jeon <jy0.jeon@samsung.com> | |
7 | * Sangmin Lee <lsmin.lee@samsung.com> | |
8 | * | |
d81aecb5 ID |
9 | * This program is free software; you can redistribute it and/or modify it |
10 | * under the terms of the GNU General Public License as published by the | |
11 | * Free Software Foundation; either version 2 of the License, or (at your | |
12 | * option) any later version. | |
cb471f14 EK |
13 | */ |
14 | ||
15 | #ifndef _EXYNOS_DRM_IPP_H_ | |
16 | #define _EXYNOS_DRM_IPP_H_ | |
17 | ||
18 | #define for_each_ipp_ops(pos) \ | |
19 | for (pos = 0; pos < EXYNOS_DRM_OPS_MAX; pos++) | |
20 | #define for_each_ipp_planar(pos) \ | |
21 | for (pos = 0; pos < EXYNOS_DRM_PLANAR_MAX; pos++) | |
22 | ||
23 | #define IPP_GET_LCD_WIDTH _IOR('F', 302, int) | |
24 | #define IPP_GET_LCD_HEIGHT _IOR('F', 303, int) | |
25 | #define IPP_SET_WRITEBACK _IOW('F', 304, u32) | |
26 | ||
27 | /* definition of state */ | |
28 | enum drm_exynos_ipp_state { | |
29 | IPP_STATE_IDLE, | |
30 | IPP_STATE_START, | |
31 | IPP_STATE_STOP, | |
32 | }; | |
33 | ||
34 | /* | |
35 | * A structure of command work information. | |
36 | * @work: work structure. | |
37 | * @ippdrv: current work ippdrv. | |
38 | * @c_node: command node information. | |
39 | * @ctrl: command control. | |
40 | */ | |
41 | struct drm_exynos_ipp_cmd_work { | |
42 | struct work_struct work; | |
43 | struct exynos_drm_ippdrv *ippdrv; | |
44 | struct drm_exynos_ipp_cmd_node *c_node; | |
45 | enum drm_exynos_ipp_ctrl ctrl; | |
46 | }; | |
47 | ||
48 | /* | |
49 | * A structure of command node. | |
50 | * | |
c6b78bc8 | 51 | * @priv: IPP private information. |
cb471f14 EK |
52 | * @list: list head to command queue information. |
53 | * @event_list: list head of event. | |
54 | * @mem_list: list head to source,destination memory queue information. | |
55 | * @cmd_lock: lock for synchronization of access to ioctl. | |
56 | * @mem_lock: lock for synchronization of access to memory nodes. | |
57 | * @event_lock: lock for synchronization of access to scheduled event. | |
58 | * @start_complete: completion of start of command. | |
59 | * @stop_complete: completion of stop of command. | |
60 | * @property: property information. | |
61 | * @start_work: start command work structure. | |
62 | * @stop_work: stop command work structure. | |
63 | * @event_work: event work structure. | |
64 | * @state: state of command node. | |
65 | */ | |
66 | struct drm_exynos_ipp_cmd_node { | |
67 | struct exynos_drm_ipp_private *priv; | |
68 | struct list_head list; | |
69 | struct list_head event_list; | |
70 | struct list_head mem_list[EXYNOS_DRM_OPS_MAX]; | |
71 | struct mutex cmd_lock; | |
72 | struct mutex mem_lock; | |
73 | struct mutex event_lock; | |
74 | struct completion start_complete; | |
75 | struct completion stop_complete; | |
76 | struct drm_exynos_ipp_property property; | |
77 | struct drm_exynos_ipp_cmd_work *start_work; | |
78 | struct drm_exynos_ipp_cmd_work *stop_work; | |
79 | struct drm_exynos_ipp_event_work *event_work; | |
80 | enum drm_exynos_ipp_state state; | |
81 | }; | |
82 | ||
83 | /* | |
84 | * A structure of buffer information. | |
85 | * | |
86 | * @gem_objs: Y, Cb, Cr each gem object. | |
87 | * @base: Y, Cb, Cr each planar address. | |
88 | */ | |
89 | struct drm_exynos_ipp_buf_info { | |
90 | unsigned long handles[EXYNOS_DRM_PLANAR_MAX]; | |
91 | dma_addr_t base[EXYNOS_DRM_PLANAR_MAX]; | |
92 | }; | |
93 | ||
94 | /* | |
c6b78bc8 | 95 | * A structure of wb setting information. |
cb471f14 EK |
96 | * |
97 | * @enable: enable flag for wb. | |
98 | * @refresh: HZ of the refresh rate. | |
99 | */ | |
100 | struct drm_exynos_ipp_set_wb { | |
101 | __u32 enable; | |
102 | __u32 refresh; | |
103 | }; | |
104 | ||
105 | /* | |
106 | * A structure of event work information. | |
107 | * | |
108 | * @work: work structure. | |
109 | * @ippdrv: current work ippdrv. | |
110 | * @buf_id: id of src, dst buffer. | |
111 | */ | |
112 | struct drm_exynos_ipp_event_work { | |
113 | struct work_struct work; | |
114 | struct exynos_drm_ippdrv *ippdrv; | |
115 | u32 buf_id[EXYNOS_DRM_OPS_MAX]; | |
116 | }; | |
117 | ||
118 | /* | |
119 | * A structure of source,destination operations. | |
120 | * | |
121 | * @set_fmt: set format of image. | |
122 | * @set_transf: set transform(rotations, flip). | |
123 | * @set_size: set size of region. | |
124 | * @set_addr: set address for dma. | |
125 | */ | |
126 | struct exynos_drm_ipp_ops { | |
127 | int (*set_fmt)(struct device *dev, u32 fmt); | |
128 | int (*set_transf)(struct device *dev, | |
129 | enum drm_exynos_degree degree, | |
130 | enum drm_exynos_flip flip, bool *swap); | |
131 | int (*set_size)(struct device *dev, int swap, | |
132 | struct drm_exynos_pos *pos, struct drm_exynos_sz *sz); | |
133 | int (*set_addr)(struct device *dev, | |
134 | struct drm_exynos_ipp_buf_info *buf_info, u32 buf_id, | |
135 | enum drm_exynos_ipp_buf_type buf_type); | |
136 | }; | |
137 | ||
138 | /* | |
139 | * A structure of ipp driver. | |
140 | * | |
141 | * @drv_list: list head for registed sub driver information. | |
142 | * @parent_dev: parent device information. | |
143 | * @dev: platform device. | |
144 | * @drm_dev: drm device. | |
145 | * @ipp_id: id of ipp driver. | |
146 | * @dedicated: dedicated ipp device. | |
147 | * @ops: source, destination operations. | |
148 | * @event_workq: event work queue. | |
7259c3d6 | 149 | * @c_node: current command information. |
cb471f14 EK |
150 | * @cmd_list: list head for command information. |
151 | * @prop_list: property informations of current ipp driver. | |
152 | * @check_property: check property about format, size, buffer. | |
153 | * @reset: reset ipp block. | |
154 | * @start: ipp each device start. | |
155 | * @stop: ipp each device stop. | |
156 | * @sched_event: work schedule handler. | |
157 | */ | |
158 | struct exynos_drm_ippdrv { | |
159 | struct list_head drv_list; | |
160 | struct device *parent_dev; | |
161 | struct device *dev; | |
162 | struct drm_device *drm_dev; | |
cb471f14 EK |
163 | bool dedicated; |
164 | struct exynos_drm_ipp_ops *ops[EXYNOS_DRM_OPS_MAX]; | |
165 | struct workqueue_struct *event_workq; | |
7259c3d6 | 166 | struct drm_exynos_ipp_cmd_node *c_node; |
cb471f14 EK |
167 | struct list_head cmd_list; |
168 | struct drm_exynos_ipp_prop_list *prop_list; | |
169 | ||
170 | int (*check_property)(struct device *dev, | |
171 | struct drm_exynos_ipp_property *property); | |
172 | int (*reset)(struct device *dev); | |
173 | int (*start)(struct device *dev, enum drm_exynos_ipp_cmd cmd); | |
174 | void (*stop)(struct device *dev, enum drm_exynos_ipp_cmd cmd); | |
175 | void (*sched_event)(struct work_struct *work); | |
176 | }; | |
177 | ||
178 | #ifdef CONFIG_DRM_EXYNOS_IPP | |
179 | extern int exynos_drm_ippdrv_register(struct exynos_drm_ippdrv *ippdrv); | |
180 | extern int exynos_drm_ippdrv_unregister(struct exynos_drm_ippdrv *ippdrv); | |
181 | extern int exynos_drm_ipp_get_property(struct drm_device *drm_dev, void *data, | |
182 | struct drm_file *file); | |
183 | extern int exynos_drm_ipp_set_property(struct drm_device *drm_dev, void *data, | |
184 | struct drm_file *file); | |
185 | extern int exynos_drm_ipp_queue_buf(struct drm_device *drm_dev, void *data, | |
186 | struct drm_file *file); | |
187 | extern int exynos_drm_ipp_cmd_ctrl(struct drm_device *drm_dev, void *data, | |
188 | struct drm_file *file); | |
189 | extern int exynos_drm_ippnb_register(struct notifier_block *nb); | |
190 | extern int exynos_drm_ippnb_unregister(struct notifier_block *nb); | |
191 | extern int exynos_drm_ippnb_send_event(unsigned long val, void *v); | |
192 | extern void ipp_sched_cmd(struct work_struct *work); | |
193 | extern void ipp_sched_event(struct work_struct *work); | |
194 | ||
195 | #else | |
196 | static inline int exynos_drm_ippdrv_register(struct exynos_drm_ippdrv *ippdrv) | |
197 | { | |
198 | return -ENODEV; | |
199 | } | |
200 | ||
201 | static inline int exynos_drm_ippdrv_unregister(struct exynos_drm_ippdrv *ippdrv) | |
202 | { | |
203 | return -ENODEV; | |
204 | } | |
205 | ||
206 | static inline int exynos_drm_ipp_get_property(struct drm_device *drm_dev, | |
207 | void *data, | |
208 | struct drm_file *file_priv) | |
209 | { | |
210 | return -ENOTTY; | |
211 | } | |
212 | ||
213 | static inline int exynos_drm_ipp_set_property(struct drm_device *drm_dev, | |
214 | void *data, | |
215 | struct drm_file *file_priv) | |
216 | { | |
217 | return -ENOTTY; | |
218 | } | |
219 | ||
220 | static inline int exynos_drm_ipp_queue_buf(struct drm_device *drm_dev, | |
221 | void *data, | |
222 | struct drm_file *file) | |
223 | { | |
224 | return -ENOTTY; | |
225 | } | |
226 | ||
227 | static inline int exynos_drm_ipp_cmd_ctrl(struct drm_device *drm_dev, | |
228 | void *data, | |
229 | struct drm_file *file) | |
230 | { | |
231 | return -ENOTTY; | |
232 | } | |
233 | ||
234 | static inline int exynos_drm_ippnb_register(struct notifier_block *nb) | |
235 | { | |
236 | return -ENODEV; | |
237 | } | |
238 | ||
239 | static inline int exynos_drm_ippnb_unregister(struct notifier_block *nb) | |
240 | { | |
241 | return -ENODEV; | |
242 | } | |
243 | ||
244 | static inline int exynos_drm_ippnb_send_event(unsigned long val, void *v) | |
245 | { | |
246 | return -ENOTTY; | |
247 | } | |
248 | #endif | |
249 | ||
250 | #endif /* _EXYNOS_DRM_IPP_H_ */ | |
251 |