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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 ID |
39 | struct drm_device; |
40 | struct exynos_drm_overlay; | |
41 | struct drm_connector; | |
42 | ||
52c68814 ID |
43 | extern unsigned int drm_vblank_offdelay; |
44 | ||
1c248b7d ID |
45 | /* this enumerates display type. */ |
46 | enum exynos_drm_output_type { | |
47 | EXYNOS_DISPLAY_TYPE_NONE, | |
48 | /* RGB or CPU Interface. */ | |
49 | EXYNOS_DISPLAY_TYPE_LCD, | |
50 | /* HDMI Interface. */ | |
51 | EXYNOS_DISPLAY_TYPE_HDMI, | |
b73d1230 ID |
52 | /* Virtual Display Interface. */ |
53 | EXYNOS_DISPLAY_TYPE_VIDI, | |
1c248b7d ID |
54 | }; |
55 | ||
1c248b7d ID |
56 | /* |
57 | * Exynos drm common overlay structure. | |
58 | * | |
19c8b834 ID |
59 | * @fb_x: offset x on a framebuffer to be displayed. |
60 | * - the unit is screen coordinates. | |
61 | * @fb_y: offset y on a framebuffer to be displayed. | |
62 | * - the unit is screen coordinates. | |
63 | * @fb_width: width of a framebuffer. | |
64 | * @fb_height: height of a framebuffer. | |
0d8071ee SWK |
65 | * @src_width: width of a partial image to be displayed from framebuffer. |
66 | * @src_height: height of a partial image to be displayed from framebuffer. | |
19c8b834 ID |
67 | * @crtc_x: offset x on hardware screen. |
68 | * @crtc_y: offset y on hardware screen. | |
69 | * @crtc_width: window width to be displayed (hardware screen). | |
70 | * @crtc_height: window height to be displayed (hardware screen). | |
71 | * @mode_width: width of screen mode. | |
72 | * @mode_height: height of screen mode. | |
73 | * @refresh: refresh rate. | |
74 | * @scan_flag: interlace or progressive way. | |
75 | * (it could be DRM_MODE_FLAG_*) | |
1c248b7d | 76 | * @bpp: pixel size.(in bit) |
229d3534 SWK |
77 | * @pixel_format: fourcc pixel format of this overlay |
78 | * @dma_addr: array of bus(accessed by dma) address to the memory region | |
79 | * allocated for a overlay. | |
864ee9e6 | 80 | * @zpos: order of overlay layer(z position). |
1c248b7d ID |
81 | * @default_win: a window to be enabled. |
82 | * @color_key: color key on or off. | |
83 | * @index_color: if using color key feature then this value would be used | |
84 | * as index color. | |
85 | * @local_path: in case of lcd type, local path mode on or off. | |
86 | * @transparency: transparency on or off. | |
87 | * @activated: activated or not. | |
88 | * | |
89 | * this structure is common to exynos SoC and its contents would be copied | |
90 | * to hardware specific overlay info. | |
91 | */ | |
92 | struct exynos_drm_overlay { | |
19c8b834 ID |
93 | unsigned int fb_x; |
94 | unsigned int fb_y; | |
95 | unsigned int fb_width; | |
96 | unsigned int fb_height; | |
0d8071ee SWK |
97 | unsigned int src_width; |
98 | unsigned int src_height; | |
19c8b834 ID |
99 | unsigned int crtc_x; |
100 | unsigned int crtc_y; | |
101 | unsigned int crtc_width; | |
102 | unsigned int crtc_height; | |
103 | unsigned int mode_width; | |
104 | unsigned int mode_height; | |
105 | unsigned int refresh; | |
106 | unsigned int scan_flag; | |
1c248b7d | 107 | unsigned int bpp; |
19c8b834 | 108 | unsigned int pitch; |
229d3534 SWK |
109 | uint32_t pixel_format; |
110 | dma_addr_t dma_addr[MAX_FB_BUFFER]; | |
864ee9e6 | 111 | int zpos; |
1c248b7d ID |
112 | |
113 | bool default_win; | |
114 | bool color_key; | |
115 | unsigned int index_color; | |
116 | bool local_path; | |
117 | bool transparency; | |
118 | bool activated; | |
119 | }; | |
120 | ||
121 | /* | |
122 | * Exynos DRM Display Structure. | |
123 | * - this structure is common to analog tv, digital tv and lcd panel. | |
124 | * | |
080be03d | 125 | * @remove: cleans up the display for removal |
080be03d SP |
126 | * @mode_fixup: fix mode data comparing to hw specific display mode. |
127 | * @mode_set: convert drm_display_mode to hw specific display mode and | |
128 | * would be called by encoder->mode_set(). | |
16844fb1 | 129 | * @check_mode: check if mode is valid or not. |
54c40ded | 130 | * @dpms: display device on or off. |
080be03d | 131 | * @commit: apply changes to hw |
1c248b7d | 132 | */ |
080be03d | 133 | struct exynos_drm_display; |
74ccc539 | 134 | struct exynos_drm_display_ops { |
c37f42cd SP |
135 | int (*create_connector)(struct exynos_drm_display *display, |
136 | struct drm_encoder *encoder); | |
080be03d | 137 | void (*remove)(struct exynos_drm_display *display); |
080be03d SP |
138 | void (*mode_fixup)(struct exynos_drm_display *display, |
139 | struct drm_connector *connector, | |
140 | const struct drm_display_mode *mode, | |
141 | struct drm_display_mode *adjusted_mode); | |
142 | void (*mode_set)(struct exynos_drm_display *display, | |
143 | struct drm_display_mode *mode); | |
144 | int (*check_mode)(struct exynos_drm_display *display, | |
145 | struct drm_display_mode *mode); | |
146 | void (*dpms)(struct exynos_drm_display *display, int mode); | |
147 | void (*commit)(struct exynos_drm_display *display); | |
148 | }; | |
149 | ||
150 | /* | |
151 | * Exynos drm display structure, maps 1:1 with an encoder/connector | |
152 | * | |
153 | * @list: the list entry for this manager | |
154 | * @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI. | |
155 | * @encoder: encoder object this display maps to | |
156 | * @connector: connector object this display maps to | |
157 | * @ops: pointer to callbacks for exynos drm specific functionality | |
158 | * @ctx: A pointer to the display's implementation specific context | |
159 | */ | |
160 | struct exynos_drm_display { | |
161 | struct list_head list; | |
1c248b7d | 162 | enum exynos_drm_output_type type; |
080be03d SP |
163 | struct drm_encoder *encoder; |
164 | struct drm_connector *connector; | |
165 | struct exynos_drm_display_ops *ops; | |
166 | void *ctx; | |
1c248b7d ID |
167 | }; |
168 | ||
169 | /* | |
170 | * Exynos drm manager ops | |
171 | * | |
ec05da95 | 172 | * @dpms: control device power. |
4b405269 | 173 | * @mode_fixup: fix mode data before applying it |
cd706aa8 | 174 | * @mode_set: set the given mode to the manager |
1c248b7d ID |
175 | * @commit: set current hw specific display mode to hw. |
176 | * @enable_vblank: specific driver callback for enabling vblank interrupt. | |
177 | * @disable_vblank: specific driver callback for disabling vblank interrupt. | |
f74085a9 P |
178 | * @wait_for_vblank: wait for vblank interrupt to make sure that |
179 | * hardware overlay is updated. | |
1c6244c3 SP |
180 | * @win_mode_set: copy drm overlay info to hw specific overlay info. |
181 | * @win_commit: apply hardware specific overlay data to registers. | |
182 | * @win_enable: enable hardware specific overlay. | |
183 | * @win_disable: disable hardware specific overlay. | |
1c248b7d | 184 | */ |
bb7704d6 | 185 | struct exynos_drm_manager; |
1c248b7d | 186 | struct exynos_drm_manager_ops { |
bb7704d6 | 187 | void (*dpms)(struct exynos_drm_manager *mgr, int mode); |
4b405269 | 188 | bool (*mode_fixup)(struct exynos_drm_manager *mgr, |
e811f5ae | 189 | const struct drm_display_mode *mode, |
1de425b0 | 190 | struct drm_display_mode *adjusted_mode); |
cd706aa8 SP |
191 | void (*mode_set)(struct exynos_drm_manager *mgr, |
192 | const struct drm_display_mode *mode); | |
bb7704d6 SP |
193 | void (*commit)(struct exynos_drm_manager *mgr); |
194 | int (*enable_vblank)(struct exynos_drm_manager *mgr); | |
195 | void (*disable_vblank)(struct exynos_drm_manager *mgr); | |
196 | void (*wait_for_vblank)(struct exynos_drm_manager *mgr); | |
197 | void (*win_mode_set)(struct exynos_drm_manager *mgr, | |
1c6244c3 | 198 | struct exynos_drm_overlay *overlay); |
bb7704d6 SP |
199 | void (*win_commit)(struct exynos_drm_manager *mgr, int zpos); |
200 | void (*win_enable)(struct exynos_drm_manager *mgr, int zpos); | |
201 | void (*win_disable)(struct exynos_drm_manager *mgr, int zpos); | |
1c248b7d ID |
202 | }; |
203 | ||
204 | /* | |
080be03d | 205 | * Exynos drm common manager structure, maps 1:1 with a crtc |
1c248b7d | 206 | * |
080be03d SP |
207 | * @list: the list entry for this manager |
208 | * @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI. | |
209 | * @drm_dev: pointer to the drm device | |
f37cd5e8 | 210 | * @crtc: crtc object. |
080be03d SP |
211 | * @pipe: the pipe number for this crtc/manager |
212 | * @ops: pointer to callbacks for exynos drm specific functionality | |
bb7704d6 | 213 | * @ctx: A pointer to the manager's implementation specific context |
1c248b7d ID |
214 | */ |
215 | struct exynos_drm_manager { | |
080be03d SP |
216 | struct list_head list; |
217 | enum exynos_drm_output_type type; | |
218 | struct drm_device *drm_dev; | |
f37cd5e8 | 219 | struct drm_crtc *crtc; |
1c248b7d ID |
220 | int pipe; |
221 | struct exynos_drm_manager_ops *ops; | |
bb7704d6 | 222 | void *ctx; |
1c248b7d ID |
223 | }; |
224 | ||
d7f1642c JS |
225 | struct exynos_drm_g2d_private { |
226 | struct device *dev; | |
227 | struct list_head inuse_cmdlist; | |
228 | struct list_head event_list; | |
2a3098ff | 229 | struct list_head userptr_list; |
d7f1642c JS |
230 | }; |
231 | ||
cb471f14 EK |
232 | struct exynos_drm_ipp_private { |
233 | struct device *dev; | |
234 | struct list_head event_list; | |
235 | }; | |
236 | ||
d7f1642c JS |
237 | struct drm_exynos_file_private { |
238 | struct exynos_drm_g2d_private *g2d_priv; | |
cb471f14 | 239 | struct exynos_drm_ipp_private *ipp_priv; |
96f54215 | 240 | struct file *anon_filp; |
d7f1642c JS |
241 | }; |
242 | ||
1c248b7d ID |
243 | /* |
244 | * Exynos drm private structure. | |
0519f9a1 ID |
245 | * |
246 | * @da_start: start address to device address space. | |
247 | * with iommu, device address space starts from this address | |
248 | * otherwise default one. | |
249 | * @da_space_size: size of device address space. | |
250 | * if 0 then default value is used for it. | |
f37cd5e8 | 251 | * @pipe: the pipe number for this crtc/manager. |
1c248b7d ID |
252 | */ |
253 | struct exynos_drm_private { | |
254 | struct drm_fb_helper *fb_helper; | |
255 | ||
ccf4d883 | 256 | /* list head for new event to be added. */ |
1c248b7d | 257 | struct list_head pageflip_event_list; |
1c248b7d ID |
258 | |
259 | /* | |
260 | * created crtc object would be contained at this array and | |
261 | * this array is used to be aware of which crtc did it request vblank. | |
262 | */ | |
263 | struct drm_crtc *crtc[MAX_CRTC]; | |
00ae67cf | 264 | struct drm_property *plane_zpos_property; |
3b8d1cf8 | 265 | struct drm_property *crtc_mode_property; |
0519f9a1 ID |
266 | |
267 | unsigned long da_start; | |
268 | unsigned long da_space_size; | |
f37cd5e8 ID |
269 | |
270 | unsigned int pipe; | |
1c248b7d ID |
271 | }; |
272 | ||
273 | /* | |
274 | * Exynos drm sub driver structure. | |
275 | * | |
276 | * @list: sub driver has its own list object to register to exynos drm driver. | |
677e84c1 | 277 | * @dev: pointer to device object for subdrv device driver. |
1c248b7d ID |
278 | * @drm_dev: pointer to drm_device and this pointer would be set |
279 | * when sub driver calls exynos_drm_subdrv_register(). | |
677e84c1 | 280 | * @manager: subdrv has its own manager to control a hardware appropriately |
f37cd5e8 | 281 | * and we can access a hardware drawing on this manager. |
1c248b7d | 282 | * @probe: this callback would be called by exynos drm driver after |
f37cd5e8 | 283 | * subdrv is registered to it. |
1c248b7d | 284 | * @remove: this callback is used to release resources created |
f37cd5e8 | 285 | * by probe callback. |
9084f7b8 JS |
286 | * @open: this would be called with drm device file open. |
287 | * @close: this would be called with drm device file close. | |
1c248b7d ID |
288 | */ |
289 | struct exynos_drm_subdrv { | |
290 | struct list_head list; | |
677e84c1 | 291 | struct device *dev; |
1c248b7d ID |
292 | struct drm_device *drm_dev; |
293 | ||
41c24346 | 294 | int (*probe)(struct drm_device *drm_dev, struct device *dev); |
29cb6025 | 295 | void (*remove)(struct drm_device *drm_dev, struct device *dev); |
9084f7b8 JS |
296 | int (*open)(struct drm_device *drm_dev, struct device *dev, |
297 | struct drm_file *file); | |
298 | void (*close)(struct drm_device *drm_dev, struct device *dev, | |
299 | struct drm_file *file); | |
1c248b7d ID |
300 | }; |
301 | ||
f37cd5e8 | 302 | /* This function would be called by non kms drivers such as g2d and ipp. */ |
1c248b7d ID |
303 | int exynos_drm_subdrv_register(struct exynos_drm_subdrv *drm_subdrv); |
304 | ||
132a5b91 | 305 | /* this function removes subdrv list from exynos drm driver */ |
1c248b7d ID |
306 | int exynos_drm_subdrv_unregister(struct exynos_drm_subdrv *drm_subdrv); |
307 | ||
f37cd5e8 ID |
308 | int exynos_drm_device_subdrv_probe(struct drm_device *dev); |
309 | int exynos_drm_device_subdrv_remove(struct drm_device *dev); | |
9084f7b8 JS |
310 | int exynos_drm_subdrv_open(struct drm_device *dev, struct drm_file *file); |
311 | void exynos_drm_subdrv_close(struct drm_device *dev, struct drm_file *file); | |
312 | ||
ae9dace2 RS |
313 | /* |
314 | * this function registers exynos drm hdmi platform device. It ensures only one | |
315 | * instance of the device is created. | |
316 | */ | |
0f6f9592 | 317 | int exynos_platform_device_hdmi_register(void); |
ae9dace2 RS |
318 | |
319 | /* | |
320 | * this function unregisters exynos drm hdmi platform device if it exists. | |
321 | */ | |
322 | void exynos_platform_device_hdmi_unregister(void); | |
323 | ||
43f41900 SWK |
324 | /* |
325 | * this function registers exynos drm ipp platform device. | |
326 | */ | |
327 | int exynos_platform_device_ipp_register(void); | |
328 | ||
329 | /* | |
330 | * this function unregisters exynos drm ipp platform device if it exists. | |
331 | */ | |
332 | void exynos_platform_device_ipp_unregister(void); | |
333 | ||
14b6873a | 334 | #ifdef CONFIG_DRM_EXYNOS_DPI |
f37cd5e8 ID |
335 | int exynos_dpi_probe(struct drm_device *drm_dev, struct device *dev); |
336 | int exynos_dpi_remove(struct drm_device *drm_dev, struct device *dev); | |
337 | struct device_node *exynos_dpi_of_find_panel_node(struct device *dev); | |
14b6873a | 338 | #else |
f37cd5e8 ID |
339 | static inline int exynos_dpi_probe(struct drm_device *drm_dev, |
340 | struct device *dev) { return 0; } | |
341 | static inline int exynos_dpi_remove(struct drm_device *drm_dev, | |
342 | struct device *dev) { return 0; } | |
343 | static inline struct device_node | |
344 | *exynos_dpi_of_find_panel_node(struct device *dev) | |
345 | { return NULL; } | |
14b6873a AH |
346 | #endif |
347 | ||
f37cd5e8 ID |
348 | /* |
349 | * this function registers exynos drm vidi platform device/driver. | |
350 | */ | |
351 | int exynos_drm_probe_vidi(void); | |
352 | ||
353 | /* | |
354 | * this function unregister exynos drm vidi platform device/driver. | |
355 | */ | |
356 | void exynos_drm_remove_vidi(void); | |
357 | ||
358 | /* This function creates a encoder and a connector, and initializes them. */ | |
359 | int exynos_drm_create_enc_conn(struct drm_device *dev, | |
360 | struct exynos_drm_display *display); | |
361 | ||
362 | struct component_ops; | |
363 | int exynos_drm_component_add(struct device *dev, | |
364 | const struct component_ops *ops); | |
365 | ||
366 | void exynos_drm_component_del(struct device *dev, | |
367 | const struct component_ops *ops); | |
368 | ||
369 | extern struct platform_driver fimd_driver; | |
1417f109 | 370 | extern struct platform_driver dp_driver; |
7eb8f069 | 371 | extern struct platform_driver dsi_driver; |
132a5b91 | 372 | extern struct platform_driver mixer_driver; |
f37cd5e8 | 373 | extern struct platform_driver hdmi_driver; |
132a5b91 | 374 | extern struct platform_driver exynos_drm_common_hdmi_driver; |
b73d1230 | 375 | extern struct platform_driver vidi_driver; |
d7f1642c | 376 | extern struct platform_driver g2d_driver; |
16102edb | 377 | extern struct platform_driver fimc_driver; |
bea8a429 | 378 | extern struct platform_driver rotator_driver; |
f2646380 | 379 | extern struct platform_driver gsc_driver; |
cb471f14 | 380 | extern struct platform_driver ipp_driver; |
1c248b7d | 381 | #endif |