Commit | Line | Data |
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1c248b7d ID |
1 | /* exynos_drm_drv.h |
2 | * | |
3 | * Copyright (c) 2011 Samsung Electronics Co., Ltd. | |
4 | * Authors: | |
5 | * Inki Dae <inki.dae@samsung.com> | |
6 | * Joonyoung Shim <jy0922.shim@samsung.com> | |
7 | * Seung-Woo Kim <sw0312.kim@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. | |
1c248b7d ID |
13 | */ |
14 | ||
15 | #ifndef _EXYNOS_DRM_DRV_H_ | |
16 | #define _EXYNOS_DRM_DRV_H_ | |
17 | ||
d2c1bba3 | 18 | #include <drm/drmP.h> |
4f9eb94f | 19 | #include <linux/module.h> |
1c248b7d | 20 | |
b73d1230 | 21 | #define MAX_CRTC 3 |
864ee9e6 | 22 | #define MAX_PLANE 5 |
b73d1230 | 23 | #define MAX_FB_BUFFER 4 |
1c248b7d | 24 | |
5d3d0995 GP |
25 | #define DEFAULT_WIN 0 |
26 | ||
357193cd | 27 | #define to_exynos_crtc(x) container_of(x, struct exynos_drm_crtc, base) |
8837deea | 28 | #define to_exynos_plane(x) container_of(x, struct exynos_drm_plane, base) |
ffceaed6 | 29 | |
1c248b7d ID |
30 | /* this enumerates display type. */ |
31 | enum exynos_drm_output_type { | |
32 | EXYNOS_DISPLAY_TYPE_NONE, | |
33 | /* RGB or CPU Interface. */ | |
34 | EXYNOS_DISPLAY_TYPE_LCD, | |
35 | /* HDMI Interface. */ | |
36 | EXYNOS_DISPLAY_TYPE_HDMI, | |
b73d1230 ID |
37 | /* Virtual Display Interface. */ |
38 | EXYNOS_DISPLAY_TYPE_VIDI, | |
1c248b7d ID |
39 | }; |
40 | ||
0114f404 MS |
41 | struct exynos_drm_rect { |
42 | unsigned int x, y; | |
43 | unsigned int w, h; | |
44 | }; | |
45 | ||
1c248b7d | 46 | /* |
0114f404 | 47 | * Exynos drm plane state structure. |
1c248b7d | 48 | * |
0114f404 MS |
49 | * @base: plane_state object (contains drm_framebuffer pointer) |
50 | * @src: rectangle of the source image data to be displayed (clipped to | |
51 | * visible part). | |
52 | * @crtc: rectangle of the target image position on hardware screen | |
53 | * (clipped to visible part). | |
3cabaf7e JS |
54 | * @h_ratio: horizontal scaling ratio, 16.16 fixed point |
55 | * @v_ratio: vertical scaling ratio, 16.16 fixed point | |
0114f404 MS |
56 | * |
57 | * this structure consists plane state data that will be applied to hardware | |
58 | * specific overlay info. | |
59 | */ | |
60 | ||
61 | struct exynos_drm_plane_state { | |
62 | struct drm_plane_state base; | |
63 | struct exynos_drm_rect crtc; | |
64 | struct exynos_drm_rect src; | |
65 | unsigned int h_ratio; | |
66 | unsigned int v_ratio; | |
67 | }; | |
68 | ||
69 | static inline struct exynos_drm_plane_state * | |
70 | to_exynos_plane_state(struct drm_plane_state *state) | |
71 | { | |
72 | return container_of(state, struct exynos_drm_plane_state, base); | |
73 | } | |
74 | ||
75 | /* | |
76 | * Exynos drm common overlay structure. | |
77 | * | |
78 | * @base: plane object | |
864ee9e6 | 79 | * @zpos: order of overlay layer(z position). |
1c248b7d ID |
80 | * |
81 | * this structure is common to exynos SoC and its contents would be copied | |
82 | * to hardware specific overlay info. | |
83 | */ | |
8837deea GP |
84 | |
85 | struct exynos_drm_plane { | |
86 | struct drm_plane base; | |
6e2a3b66 | 87 | unsigned int zpos; |
822f6dfd | 88 | struct drm_framebuffer *pending_fb; |
1c248b7d ID |
89 | }; |
90 | ||
1c248b7d | 91 | /* |
93bca243 | 92 | * Exynos drm crtc ops |
1c248b7d | 93 | * |
3cecda03 GP |
94 | * @enable: enable the device |
95 | * @disable: disable the device | |
1c248b7d ID |
96 | * @commit: set current hw specific display mode to hw. |
97 | * @enable_vblank: specific driver callback for enabling vblank interrupt. | |
98 | * @disable_vblank: specific driver callback for disabling vblank interrupt. | |
f74085a9 P |
99 | * @wait_for_vblank: wait for vblank interrupt to make sure that |
100 | * hardware overlay is updated. | |
5625b341 | 101 | * @atomic_check: validate state |
d9220d47 GP |
102 | * @atomic_begin: prepare a window to receive a update |
103 | * @atomic_flush: mark the end of a window update | |
9cc7610a GP |
104 | * @update_plane: apply hardware specific overlay data to registers. |
105 | * @disable_plane: disable hardware specific overlay. | |
5595d4d8 YC |
106 | * @te_handler: trigger to transfer video image at the tearing effect |
107 | * synchronization signal if there is a page flip request. | |
48107d7b KK |
108 | * @clock_enable: optional function enabling/disabling display domain clock, |
109 | * called from exynos-dp driver before powering up (with | |
110 | * 'enable' argument as true) and after powering down (with | |
111 | * 'enable' as false). | |
1c248b7d | 112 | */ |
93bca243 GP |
113 | struct exynos_drm_crtc; |
114 | struct exynos_drm_crtc_ops { | |
3cecda03 GP |
115 | void (*enable)(struct exynos_drm_crtc *crtc); |
116 | void (*disable)(struct exynos_drm_crtc *crtc); | |
93bca243 GP |
117 | void (*commit)(struct exynos_drm_crtc *crtc); |
118 | int (*enable_vblank)(struct exynos_drm_crtc *crtc); | |
119 | void (*disable_vblank)(struct exynos_drm_crtc *crtc); | |
120 | void (*wait_for_vblank)(struct exynos_drm_crtc *crtc); | |
5625b341 AH |
121 | int (*atomic_check)(struct exynos_drm_crtc *crtc, |
122 | struct drm_crtc_state *state); | |
d9220d47 GP |
123 | void (*atomic_begin)(struct exynos_drm_crtc *crtc, |
124 | struct exynos_drm_plane *plane); | |
1e1d1393 GP |
125 | void (*update_plane)(struct exynos_drm_crtc *crtc, |
126 | struct exynos_drm_plane *plane); | |
127 | void (*disable_plane)(struct exynos_drm_crtc *crtc, | |
128 | struct exynos_drm_plane *plane); | |
d9220d47 GP |
129 | void (*atomic_flush)(struct exynos_drm_crtc *crtc, |
130 | struct exynos_drm_plane *plane); | |
93bca243 | 131 | void (*te_handler)(struct exynos_drm_crtc *crtc); |
48107d7b | 132 | void (*clock_enable)(struct exynos_drm_crtc *crtc, bool enable); |
1c248b7d ID |
133 | }; |
134 | ||
2bf053eb GP |
135 | /* |
136 | * Exynos specific crtc structure. | |
137 | * | |
357193cd | 138 | * @base: crtc object. |
5d1741ad | 139 | * @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI. |
2bf053eb GP |
140 | * @pipe: a crtc index created at load() with a new crtc object creation |
141 | * and the crtc object would be set to private->crtc array | |
142 | * to get a crtc object corresponding to this pipe from private->crtc | |
143 | * array when irq interrupt occurred. the reason of using this pipe is that | |
144 | * drm framework doesn't support multiple irq yet. | |
145 | * we can refer to the crtc to current hardware interrupt occurred through | |
146 | * this pipe value. | |
63498e30 | 147 | * @enabled: if the crtc is enabled or not |
e752747b | 148 | * @event: vblank event that is currently queued for flip |
c4533665 GP |
149 | * @wait_update: wait all pending planes updates to finish |
150 | * @pending_update: number of pending plane updates in this crtc | |
93bca243 GP |
151 | * @ops: pointer to callbacks for exynos drm specific functionality |
152 | * @ctx: A pointer to the crtc's implementation specific context | |
2bf053eb GP |
153 | */ |
154 | struct exynos_drm_crtc { | |
357193cd | 155 | struct drm_crtc base; |
5d1741ad | 156 | enum exynos_drm_output_type type; |
2bf053eb | 157 | unsigned int pipe; |
e752747b | 158 | struct drm_pending_vblank_event *event; |
c4533665 GP |
159 | wait_queue_head_t wait_update; |
160 | atomic_t pending_update; | |
f3aaf762 | 161 | const struct exynos_drm_crtc_ops *ops; |
93bca243 | 162 | void *ctx; |
2bf053eb GP |
163 | }; |
164 | ||
d7f1642c JS |
165 | struct exynos_drm_g2d_private { |
166 | struct device *dev; | |
167 | struct list_head inuse_cmdlist; | |
168 | struct list_head event_list; | |
2a3098ff | 169 | struct list_head userptr_list; |
d7f1642c JS |
170 | }; |
171 | ||
172 | struct drm_exynos_file_private { | |
173 | struct exynos_drm_g2d_private *g2d_priv; | |
5c76c5b1 | 174 | struct device *ipp_dev; |
d7f1642c JS |
175 | }; |
176 | ||
1c248b7d ID |
177 | /* |
178 | * Exynos drm private structure. | |
0519f9a1 ID |
179 | * |
180 | * @da_start: start address to device address space. | |
181 | * with iommu, device address space starts from this address | |
182 | * otherwise default one. | |
183 | * @da_space_size: size of device address space. | |
184 | * if 0 then default value is used for it. | |
f37cd5e8 | 185 | * @pipe: the pipe number for this crtc/manager. |
a379df19 GP |
186 | * @pending: the crtcs that have pending updates to finish |
187 | * @lock: protect access to @pending | |
188 | * @wait: wait an atomic commit to finish | |
1c248b7d ID |
189 | */ |
190 | struct exynos_drm_private { | |
191 | struct drm_fb_helper *fb_helper; | |
192 | ||
1c248b7d ID |
193 | /* |
194 | * created crtc object would be contained at this array and | |
195 | * this array is used to be aware of which crtc did it request vblank. | |
196 | */ | |
197 | struct drm_crtc *crtc[MAX_CRTC]; | |
00ae67cf | 198 | struct drm_property *plane_zpos_property; |
0519f9a1 ID |
199 | |
200 | unsigned long da_start; | |
201 | unsigned long da_space_size; | |
f37cd5e8 ID |
202 | |
203 | unsigned int pipe; | |
a379df19 GP |
204 | |
205 | /* for atomic commit */ | |
206 | u32 pending; | |
207 | spinlock_t lock; | |
208 | wait_queue_head_t wait; | |
1c248b7d ID |
209 | }; |
210 | ||
211 | /* | |
212 | * Exynos drm sub driver structure. | |
213 | * | |
214 | * @list: sub driver has its own list object to register to exynos drm driver. | |
677e84c1 | 215 | * @dev: pointer to device object for subdrv device driver. |
1c248b7d ID |
216 | * @drm_dev: pointer to drm_device and this pointer would be set |
217 | * when sub driver calls exynos_drm_subdrv_register(). | |
218 | * @probe: this callback would be called by exynos drm driver after | |
f37cd5e8 | 219 | * subdrv is registered to it. |
1c248b7d | 220 | * @remove: this callback is used to release resources created |
f37cd5e8 | 221 | * by probe callback. |
9084f7b8 JS |
222 | * @open: this would be called with drm device file open. |
223 | * @close: this would be called with drm device file close. | |
1c248b7d ID |
224 | */ |
225 | struct exynos_drm_subdrv { | |
226 | struct list_head list; | |
677e84c1 | 227 | struct device *dev; |
1c248b7d ID |
228 | struct drm_device *drm_dev; |
229 | ||
41c24346 | 230 | int (*probe)(struct drm_device *drm_dev, struct device *dev); |
29cb6025 | 231 | void (*remove)(struct drm_device *drm_dev, struct device *dev); |
9084f7b8 JS |
232 | int (*open)(struct drm_device *drm_dev, struct device *dev, |
233 | struct drm_file *file); | |
234 | void (*close)(struct drm_device *drm_dev, struct device *dev, | |
235 | struct drm_file *file); | |
1c248b7d ID |
236 | }; |
237 | ||
f37cd5e8 | 238 | /* This function would be called by non kms drivers such as g2d and ipp. */ |
1c248b7d ID |
239 | int exynos_drm_subdrv_register(struct exynos_drm_subdrv *drm_subdrv); |
240 | ||
132a5b91 | 241 | /* this function removes subdrv list from exynos drm driver */ |
1c248b7d ID |
242 | int exynos_drm_subdrv_unregister(struct exynos_drm_subdrv *drm_subdrv); |
243 | ||
f37cd5e8 ID |
244 | int exynos_drm_device_subdrv_probe(struct drm_device *dev); |
245 | int exynos_drm_device_subdrv_remove(struct drm_device *dev); | |
9084f7b8 JS |
246 | int exynos_drm_subdrv_open(struct drm_device *dev, struct drm_file *file); |
247 | void exynos_drm_subdrv_close(struct drm_device *dev, struct drm_file *file); | |
248 | ||
14b6873a | 249 | #ifdef CONFIG_DRM_EXYNOS_DPI |
2b8376c8 GP |
250 | struct drm_encoder *exynos_dpi_probe(struct device *dev); |
251 | int exynos_dpi_remove(struct drm_encoder *encoder); | |
252 | int exynos_dpi_bind(struct drm_device *dev, struct drm_encoder *encoder); | |
14b6873a | 253 | #else |
2b8376c8 | 254 | static inline struct drm_encoder * |
dcdffeda | 255 | exynos_dpi_probe(struct device *dev) { return NULL; } |
2b8376c8 | 256 | static inline int exynos_dpi_remove(struct drm_encoder *encoder) |
1c9ff4ab GP |
257 | { |
258 | return 0; | |
259 | } | |
a2986e80 | 260 | static inline int exynos_dpi_bind(struct drm_device *dev, |
2b8376c8 | 261 | struct drm_encoder *encoder) |
a2986e80 GP |
262 | { |
263 | return 0; | |
264 | } | |
14b6873a AH |
265 | #endif |
266 | ||
a379df19 GP |
267 | int exynos_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state, |
268 | bool async); | |
269 | ||
f37cd5e8 | 270 | |
f37cd5e8 | 271 | extern struct platform_driver fimd_driver; |
c8466a91 | 272 | extern struct platform_driver exynos5433_decon_driver; |
96976c3d | 273 | extern struct platform_driver decon_driver; |
1417f109 | 274 | extern struct platform_driver dp_driver; |
7eb8f069 | 275 | extern struct platform_driver dsi_driver; |
132a5b91 | 276 | extern struct platform_driver mixer_driver; |
f37cd5e8 | 277 | extern struct platform_driver hdmi_driver; |
132a5b91 | 278 | extern struct platform_driver exynos_drm_common_hdmi_driver; |
b73d1230 | 279 | extern struct platform_driver vidi_driver; |
d7f1642c | 280 | extern struct platform_driver g2d_driver; |
16102edb | 281 | extern struct platform_driver fimc_driver; |
bea8a429 | 282 | extern struct platform_driver rotator_driver; |
f2646380 | 283 | extern struct platform_driver gsc_driver; |
cb471f14 | 284 | extern struct platform_driver ipp_driver; |
77bbd891 | 285 | extern struct platform_driver mic_driver; |
1c248b7d | 286 | #endif |