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 | ||
4f9eb94f | 18 | #include <linux/module.h> |
1c248b7d | 19 | |
b73d1230 | 20 | #define MAX_CRTC 3 |
864ee9e6 | 21 | #define MAX_PLANE 5 |
b73d1230 | 22 | #define MAX_FB_BUFFER 4 |
864ee9e6 | 23 | #define DEFAULT_ZPOS -1 |
1c248b7d | 24 | |
b011941f ID |
25 | #define _wait_for(COND, MS) ({ \ |
26 | unsigned long timeout__ = jiffies + msecs_to_jiffies(MS); \ | |
27 | int ret__ = 0; \ | |
28 | while (!(COND)) { \ | |
29 | if (time_after(jiffies, timeout__)) { \ | |
30 | ret__ = -ETIMEDOUT; \ | |
31 | break; \ | |
32 | } \ | |
33 | } \ | |
34 | ret__; \ | |
35 | }) | |
36 | ||
37 | #define wait_for(COND, MS) _wait_for(COND, MS) | |
38 | ||
1c248b7d | 39 | struct drm_device; |
1c248b7d ID |
40 | struct drm_connector; |
41 | ||
df5225bc ID |
42 | /* This enumerates device type. */ |
43 | enum exynos_drm_device_type { | |
44 | EXYNOS_DEVICE_TYPE_NONE, | |
45 | EXYNOS_DEVICE_TYPE_CRTC, | |
46 | EXYNOS_DEVICE_TYPE_CONNECTOR, | |
47 | }; | |
48 | ||
1c248b7d ID |
49 | /* this enumerates display type. */ |
50 | enum exynos_drm_output_type { | |
51 | EXYNOS_DISPLAY_TYPE_NONE, | |
52 | /* RGB or CPU Interface. */ | |
53 | EXYNOS_DISPLAY_TYPE_LCD, | |
54 | /* HDMI Interface. */ | |
55 | EXYNOS_DISPLAY_TYPE_HDMI, | |
b73d1230 ID |
56 | /* Virtual Display Interface. */ |
57 | EXYNOS_DISPLAY_TYPE_VIDI, | |
1c248b7d ID |
58 | }; |
59 | ||
1c248b7d ID |
60 | /* |
61 | * Exynos drm common overlay structure. | |
62 | * | |
19c8b834 ID |
63 | * @fb_x: offset x on a framebuffer to be displayed. |
64 | * - the unit is screen coordinates. | |
65 | * @fb_y: offset y on a framebuffer to be displayed. | |
66 | * - the unit is screen coordinates. | |
67 | * @fb_width: width of a framebuffer. | |
68 | * @fb_height: height of a framebuffer. | |
0d8071ee SWK |
69 | * @src_width: width of a partial image to be displayed from framebuffer. |
70 | * @src_height: height of a partial image to be displayed from framebuffer. | |
19c8b834 ID |
71 | * @crtc_x: offset x on hardware screen. |
72 | * @crtc_y: offset y on hardware screen. | |
73 | * @crtc_width: window width to be displayed (hardware screen). | |
74 | * @crtc_height: window height to be displayed (hardware screen). | |
75 | * @mode_width: width of screen mode. | |
76 | * @mode_height: height of screen mode. | |
77 | * @refresh: refresh rate. | |
78 | * @scan_flag: interlace or progressive way. | |
79 | * (it could be DRM_MODE_FLAG_*) | |
1c248b7d | 80 | * @bpp: pixel size.(in bit) |
229d3534 SWK |
81 | * @pixel_format: fourcc pixel format of this overlay |
82 | * @dma_addr: array of bus(accessed by dma) address to the memory region | |
83 | * allocated for a overlay. | |
864ee9e6 | 84 | * @zpos: order of overlay layer(z position). |
1c248b7d ID |
85 | * @default_win: a window to be enabled. |
86 | * @color_key: color key on or off. | |
87 | * @index_color: if using color key feature then this value would be used | |
88 | * as index color. | |
89 | * @local_path: in case of lcd type, local path mode on or off. | |
90 | * @transparency: transparency on or off. | |
91 | * @activated: activated or not. | |
92 | * | |
93 | * this structure is common to exynos SoC and its contents would be copied | |
94 | * to hardware specific overlay info. | |
95 | */ | |
96 | struct exynos_drm_overlay { | |
19c8b834 ID |
97 | unsigned int fb_x; |
98 | unsigned int fb_y; | |
99 | unsigned int fb_width; | |
100 | unsigned int fb_height; | |
0d8071ee SWK |
101 | unsigned int src_width; |
102 | unsigned int src_height; | |
19c8b834 ID |
103 | unsigned int crtc_x; |
104 | unsigned int crtc_y; | |
105 | unsigned int crtc_width; | |
106 | unsigned int crtc_height; | |
107 | unsigned int mode_width; | |
108 | unsigned int mode_height; | |
109 | unsigned int refresh; | |
110 | unsigned int scan_flag; | |
1c248b7d | 111 | unsigned int bpp; |
19c8b834 | 112 | unsigned int pitch; |
229d3534 SWK |
113 | uint32_t pixel_format; |
114 | dma_addr_t dma_addr[MAX_FB_BUFFER]; | |
864ee9e6 | 115 | int zpos; |
1c248b7d ID |
116 | |
117 | bool default_win; | |
118 | bool color_key; | |
119 | unsigned int index_color; | |
120 | bool local_path; | |
121 | bool transparency; | |
122 | bool activated; | |
123 | }; | |
124 | ||
125 | /* | |
126 | * Exynos DRM Display Structure. | |
127 | * - this structure is common to analog tv, digital tv and lcd panel. | |
128 | * | |
080be03d | 129 | * @remove: cleans up the display for removal |
080be03d SP |
130 | * @mode_fixup: fix mode data comparing to hw specific display mode. |
131 | * @mode_set: convert drm_display_mode to hw specific display mode and | |
132 | * would be called by encoder->mode_set(). | |
16844fb1 | 133 | * @check_mode: check if mode is valid or not. |
54c40ded | 134 | * @dpms: display device on or off. |
080be03d | 135 | * @commit: apply changes to hw |
1c248b7d | 136 | */ |
080be03d | 137 | struct exynos_drm_display; |
74ccc539 | 138 | struct exynos_drm_display_ops { |
c37f42cd SP |
139 | int (*create_connector)(struct exynos_drm_display *display, |
140 | struct drm_encoder *encoder); | |
080be03d | 141 | void (*remove)(struct exynos_drm_display *display); |
080be03d SP |
142 | void (*mode_fixup)(struct exynos_drm_display *display, |
143 | struct drm_connector *connector, | |
144 | const struct drm_display_mode *mode, | |
145 | struct drm_display_mode *adjusted_mode); | |
146 | void (*mode_set)(struct exynos_drm_display *display, | |
147 | struct drm_display_mode *mode); | |
148 | int (*check_mode)(struct exynos_drm_display *display, | |
149 | struct drm_display_mode *mode); | |
150 | void (*dpms)(struct exynos_drm_display *display, int mode); | |
151 | void (*commit)(struct exynos_drm_display *display); | |
152 | }; | |
153 | ||
154 | /* | |
155 | * Exynos drm display structure, maps 1:1 with an encoder/connector | |
156 | * | |
157 | * @list: the list entry for this manager | |
158 | * @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI. | |
159 | * @encoder: encoder object this display maps to | |
160 | * @connector: connector object this display maps to | |
161 | * @ops: pointer to callbacks for exynos drm specific functionality | |
162 | * @ctx: A pointer to the display's implementation specific context | |
163 | */ | |
164 | struct exynos_drm_display { | |
165 | struct list_head list; | |
1c248b7d | 166 | enum exynos_drm_output_type type; |
080be03d SP |
167 | struct drm_encoder *encoder; |
168 | struct drm_connector *connector; | |
169 | struct exynos_drm_display_ops *ops; | |
170 | void *ctx; | |
1c248b7d ID |
171 | }; |
172 | ||
173 | /* | |
174 | * Exynos drm manager ops | |
175 | * | |
ec05da95 | 176 | * @dpms: control device power. |
4b405269 | 177 | * @mode_fixup: fix mode data before applying it |
cd706aa8 | 178 | * @mode_set: set the given mode to the manager |
1c248b7d ID |
179 | * @commit: set current hw specific display mode to hw. |
180 | * @enable_vblank: specific driver callback for enabling vblank interrupt. | |
181 | * @disable_vblank: specific driver callback for disabling vblank interrupt. | |
f74085a9 P |
182 | * @wait_for_vblank: wait for vblank interrupt to make sure that |
183 | * hardware overlay is updated. | |
1c6244c3 SP |
184 | * @win_mode_set: copy drm overlay info to hw specific overlay info. |
185 | * @win_commit: apply hardware specific overlay data to registers. | |
186 | * @win_enable: enable hardware specific overlay. | |
187 | * @win_disable: disable hardware specific overlay. | |
5595d4d8 YC |
188 | * @te_handler: trigger to transfer video image at the tearing effect |
189 | * synchronization signal if there is a page flip request. | |
1c248b7d | 190 | */ |
bb7704d6 | 191 | struct exynos_drm_manager; |
1c248b7d | 192 | struct exynos_drm_manager_ops { |
bb7704d6 | 193 | void (*dpms)(struct exynos_drm_manager *mgr, int mode); |
4b405269 | 194 | bool (*mode_fixup)(struct exynos_drm_manager *mgr, |
e811f5ae | 195 | const struct drm_display_mode *mode, |
1de425b0 | 196 | struct drm_display_mode *adjusted_mode); |
cd706aa8 SP |
197 | void (*mode_set)(struct exynos_drm_manager *mgr, |
198 | const struct drm_display_mode *mode); | |
bb7704d6 SP |
199 | void (*commit)(struct exynos_drm_manager *mgr); |
200 | int (*enable_vblank)(struct exynos_drm_manager *mgr); | |
201 | void (*disable_vblank)(struct exynos_drm_manager *mgr); | |
202 | void (*wait_for_vblank)(struct exynos_drm_manager *mgr); | |
203 | void (*win_mode_set)(struct exynos_drm_manager *mgr, | |
1c6244c3 | 204 | struct exynos_drm_overlay *overlay); |
bb7704d6 SP |
205 | void (*win_commit)(struct exynos_drm_manager *mgr, int zpos); |
206 | void (*win_enable)(struct exynos_drm_manager *mgr, int zpos); | |
207 | void (*win_disable)(struct exynos_drm_manager *mgr, int zpos); | |
5595d4d8 | 208 | void (*te_handler)(struct exynos_drm_manager *mgr); |
1c248b7d ID |
209 | }; |
210 | ||
211 | /* | |
080be03d | 212 | * Exynos drm common manager structure, maps 1:1 with a crtc |
1c248b7d | 213 | * |
080be03d SP |
214 | * @list: the list entry for this manager |
215 | * @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI. | |
216 | * @drm_dev: pointer to the drm device | |
f37cd5e8 | 217 | * @crtc: crtc object. |
080be03d SP |
218 | * @pipe: the pipe number for this crtc/manager |
219 | * @ops: pointer to callbacks for exynos drm specific functionality | |
bb7704d6 | 220 | * @ctx: A pointer to the manager's implementation specific context |
1c248b7d ID |
221 | */ |
222 | struct exynos_drm_manager { | |
080be03d SP |
223 | struct list_head list; |
224 | enum exynos_drm_output_type type; | |
225 | struct drm_device *drm_dev; | |
f37cd5e8 | 226 | struct drm_crtc *crtc; |
1c248b7d ID |
227 | int pipe; |
228 | struct exynos_drm_manager_ops *ops; | |
bb7704d6 | 229 | void *ctx; |
1c248b7d ID |
230 | }; |
231 | ||
d7f1642c JS |
232 | struct exynos_drm_g2d_private { |
233 | struct device *dev; | |
234 | struct list_head inuse_cmdlist; | |
235 | struct list_head event_list; | |
2a3098ff | 236 | struct list_head userptr_list; |
d7f1642c JS |
237 | }; |
238 | ||
239 | struct drm_exynos_file_private { | |
240 | struct exynos_drm_g2d_private *g2d_priv; | |
5c76c5b1 | 241 | struct device *ipp_dev; |
d7f1642c JS |
242 | }; |
243 | ||
1c248b7d ID |
244 | /* |
245 | * Exynos drm private structure. | |
0519f9a1 ID |
246 | * |
247 | * @da_start: start address to device address space. | |
248 | * with iommu, device address space starts from this address | |
249 | * otherwise default one. | |
250 | * @da_space_size: size of device address space. | |
251 | * if 0 then default value is used for it. | |
f37cd5e8 | 252 | * @pipe: the pipe number for this crtc/manager. |
1c248b7d ID |
253 | */ |
254 | struct exynos_drm_private { | |
255 | struct drm_fb_helper *fb_helper; | |
256 | ||
ccf4d883 | 257 | /* list head for new event to be added. */ |
1c248b7d | 258 | struct list_head pageflip_event_list; |
1c248b7d ID |
259 | |
260 | /* | |
261 | * created crtc object would be contained at this array and | |
262 | * this array is used to be aware of which crtc did it request vblank. | |
263 | */ | |
264 | struct drm_crtc *crtc[MAX_CRTC]; | |
00ae67cf | 265 | struct drm_property *plane_zpos_property; |
3b8d1cf8 | 266 | struct drm_property *crtc_mode_property; |
0519f9a1 ID |
267 | |
268 | unsigned long da_start; | |
269 | unsigned long da_space_size; | |
f37cd5e8 ID |
270 | |
271 | unsigned int pipe; | |
1c248b7d ID |
272 | }; |
273 | ||
274 | /* | |
275 | * Exynos drm sub driver structure. | |
276 | * | |
277 | * @list: sub driver has its own list object to register to exynos drm driver. | |
677e84c1 | 278 | * @dev: pointer to device object for subdrv device driver. |
1c248b7d ID |
279 | * @drm_dev: pointer to drm_device and this pointer would be set |
280 | * when sub driver calls exynos_drm_subdrv_register(). | |
677e84c1 | 281 | * @manager: subdrv has its own manager to control a hardware appropriately |
f37cd5e8 | 282 | * and we can access a hardware drawing on this manager. |
1c248b7d | 283 | * @probe: this callback would be called by exynos drm driver after |
f37cd5e8 | 284 | * subdrv is registered to it. |
1c248b7d | 285 | * @remove: this callback is used to release resources created |
f37cd5e8 | 286 | * by probe callback. |
9084f7b8 JS |
287 | * @open: this would be called with drm device file open. |
288 | * @close: this would be called with drm device file close. | |
1c248b7d ID |
289 | */ |
290 | struct exynos_drm_subdrv { | |
291 | struct list_head list; | |
677e84c1 | 292 | struct device *dev; |
1c248b7d ID |
293 | struct drm_device *drm_dev; |
294 | ||
41c24346 | 295 | int (*probe)(struct drm_device *drm_dev, struct device *dev); |
29cb6025 | 296 | void (*remove)(struct drm_device *drm_dev, struct device *dev); |
9084f7b8 JS |
297 | int (*open)(struct drm_device *drm_dev, struct device *dev, |
298 | struct drm_file *file); | |
299 | void (*close)(struct drm_device *drm_dev, struct device *dev, | |
300 | struct drm_file *file); | |
1c248b7d ID |
301 | }; |
302 | ||
f37cd5e8 | 303 | /* This function would be called by non kms drivers such as g2d and ipp. */ |
1c248b7d ID |
304 | int exynos_drm_subdrv_register(struct exynos_drm_subdrv *drm_subdrv); |
305 | ||
132a5b91 | 306 | /* this function removes subdrv list from exynos drm driver */ |
1c248b7d ID |
307 | int exynos_drm_subdrv_unregister(struct exynos_drm_subdrv *drm_subdrv); |
308 | ||
f37cd5e8 ID |
309 | int exynos_drm_device_subdrv_probe(struct drm_device *dev); |
310 | int exynos_drm_device_subdrv_remove(struct drm_device *dev); | |
9084f7b8 JS |
311 | int exynos_drm_subdrv_open(struct drm_device *dev, struct drm_file *file); |
312 | void exynos_drm_subdrv_close(struct drm_device *dev, struct drm_file *file); | |
313 | ||
ae9dace2 RS |
314 | /* |
315 | * this function registers exynos drm hdmi platform device. It ensures only one | |
316 | * instance of the device is created. | |
317 | */ | |
0f6f9592 | 318 | int exynos_platform_device_hdmi_register(void); |
ae9dace2 RS |
319 | |
320 | /* | |
321 | * this function unregisters exynos drm hdmi platform device if it exists. | |
322 | */ | |
323 | void exynos_platform_device_hdmi_unregister(void); | |
324 | ||
72390677 | 325 | #ifdef CONFIG_DRM_EXYNOS_IPP |
43f41900 | 326 | int exynos_platform_device_ipp_register(void); |
43f41900 | 327 | void exynos_platform_device_ipp_unregister(void); |
72390677 AH |
328 | #else |
329 | static inline int exynos_platform_device_ipp_register(void) { return 0; } | |
330 | static inline void exynos_platform_device_ipp_unregister(void) {} | |
331 | #endif | |
332 | ||
43f41900 | 333 | |
14b6873a | 334 | #ifdef CONFIG_DRM_EXYNOS_DPI |
000cc920 AH |
335 | struct exynos_drm_display * exynos_dpi_probe(struct device *dev); |
336 | int exynos_dpi_remove(struct device *dev); | |
14b6873a | 337 | #else |
000cc920 | 338 | static inline struct exynos_drm_display * |
dcdffeda | 339 | exynos_dpi_probe(struct device *dev) { return NULL; } |
000cc920 | 340 | static inline int exynos_dpi_remove(struct device *dev) { return 0; } |
14b6873a AH |
341 | #endif |
342 | ||
72390677 | 343 | #ifdef CONFIG_DRM_EXYNOS_VIDI |
f37cd5e8 | 344 | int exynos_drm_probe_vidi(void); |
f37cd5e8 | 345 | void exynos_drm_remove_vidi(void); |
72390677 AH |
346 | #else |
347 | static inline int exynos_drm_probe_vidi(void) { return 0; } | |
348 | static inline void exynos_drm_remove_vidi(void) {} | |
349 | #endif | |
f37cd5e8 ID |
350 | |
351 | /* This function creates a encoder and a connector, and initializes them. */ | |
352 | int exynos_drm_create_enc_conn(struct drm_device *dev, | |
353 | struct exynos_drm_display *display); | |
354 | ||
f37cd5e8 | 355 | int exynos_drm_component_add(struct device *dev, |
df5225bc ID |
356 | enum exynos_drm_device_type dev_type, |
357 | enum exynos_drm_output_type out_type); | |
f37cd5e8 ID |
358 | |
359 | void exynos_drm_component_del(struct device *dev, | |
df5225bc | 360 | enum exynos_drm_device_type dev_type); |
f37cd5e8 ID |
361 | |
362 | extern struct platform_driver fimd_driver; | |
1417f109 | 363 | extern struct platform_driver dp_driver; |
7eb8f069 | 364 | extern struct platform_driver dsi_driver; |
132a5b91 | 365 | extern struct platform_driver mixer_driver; |
f37cd5e8 | 366 | extern struct platform_driver hdmi_driver; |
132a5b91 | 367 | extern struct platform_driver exynos_drm_common_hdmi_driver; |
b73d1230 | 368 | extern struct platform_driver vidi_driver; |
d7f1642c | 369 | extern struct platform_driver g2d_driver; |
16102edb | 370 | extern struct platform_driver fimc_driver; |
bea8a429 | 371 | extern struct platform_driver rotator_driver; |
f2646380 | 372 | extern struct platform_driver gsc_driver; |
cb471f14 | 373 | extern struct platform_driver ipp_driver; |
1c248b7d | 374 | #endif |