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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 | ||
56 | /* | |
57 | * Exynos drm overlay ops structure. | |
58 | * | |
59 | * @mode_set: copy drm overlay info to hw specific overlay info. | |
60 | * @commit: apply hardware specific overlay data to registers. | |
cf5188ac | 61 | * @enable: enable hardware specific overlay. |
1c248b7d ID |
62 | * @disable: disable hardware specific overlay. |
63 | */ | |
64 | struct exynos_drm_overlay_ops { | |
65 | void (*mode_set)(struct device *subdrv_dev, | |
66 | struct exynos_drm_overlay *overlay); | |
864ee9e6 | 67 | void (*commit)(struct device *subdrv_dev, int zpos); |
cf5188ac | 68 | void (*enable)(struct device *subdrv_dev, int zpos); |
864ee9e6 | 69 | void (*disable)(struct device *subdrv_dev, int zpos); |
1c248b7d ID |
70 | }; |
71 | ||
72 | /* | |
73 | * Exynos drm common overlay structure. | |
74 | * | |
19c8b834 ID |
75 | * @fb_x: offset x on a framebuffer to be displayed. |
76 | * - the unit is screen coordinates. | |
77 | * @fb_y: offset y on a framebuffer to be displayed. | |
78 | * - the unit is screen coordinates. | |
79 | * @fb_width: width of a framebuffer. | |
80 | * @fb_height: height of a framebuffer. | |
0d8071ee SWK |
81 | * @src_width: width of a partial image to be displayed from framebuffer. |
82 | * @src_height: height of a partial image to be displayed from framebuffer. | |
19c8b834 ID |
83 | * @crtc_x: offset x on hardware screen. |
84 | * @crtc_y: offset y on hardware screen. | |
85 | * @crtc_width: window width to be displayed (hardware screen). | |
86 | * @crtc_height: window height to be displayed (hardware screen). | |
87 | * @mode_width: width of screen mode. | |
88 | * @mode_height: height of screen mode. | |
89 | * @refresh: refresh rate. | |
90 | * @scan_flag: interlace or progressive way. | |
91 | * (it could be DRM_MODE_FLAG_*) | |
1c248b7d | 92 | * @bpp: pixel size.(in bit) |
229d3534 SWK |
93 | * @pixel_format: fourcc pixel format of this overlay |
94 | * @dma_addr: array of bus(accessed by dma) address to the memory region | |
95 | * allocated for a overlay. | |
864ee9e6 | 96 | * @zpos: order of overlay layer(z position). |
1c248b7d ID |
97 | * @default_win: a window to be enabled. |
98 | * @color_key: color key on or off. | |
99 | * @index_color: if using color key feature then this value would be used | |
100 | * as index color. | |
101 | * @local_path: in case of lcd type, local path mode on or off. | |
102 | * @transparency: transparency on or off. | |
103 | * @activated: activated or not. | |
104 | * | |
105 | * this structure is common to exynos SoC and its contents would be copied | |
106 | * to hardware specific overlay info. | |
107 | */ | |
108 | struct exynos_drm_overlay { | |
19c8b834 ID |
109 | unsigned int fb_x; |
110 | unsigned int fb_y; | |
111 | unsigned int fb_width; | |
112 | unsigned int fb_height; | |
0d8071ee SWK |
113 | unsigned int src_width; |
114 | unsigned int src_height; | |
19c8b834 ID |
115 | unsigned int crtc_x; |
116 | unsigned int crtc_y; | |
117 | unsigned int crtc_width; | |
118 | unsigned int crtc_height; | |
119 | unsigned int mode_width; | |
120 | unsigned int mode_height; | |
121 | unsigned int refresh; | |
122 | unsigned int scan_flag; | |
1c248b7d | 123 | unsigned int bpp; |
19c8b834 | 124 | unsigned int pitch; |
229d3534 SWK |
125 | uint32_t pixel_format; |
126 | dma_addr_t dma_addr[MAX_FB_BUFFER]; | |
864ee9e6 | 127 | int zpos; |
1c248b7d ID |
128 | |
129 | bool default_win; | |
130 | bool color_key; | |
131 | unsigned int index_color; | |
132 | bool local_path; | |
133 | bool transparency; | |
134 | bool activated; | |
135 | }; | |
136 | ||
137 | /* | |
138 | * Exynos DRM Display Structure. | |
139 | * - this structure is common to analog tv, digital tv and lcd panel. | |
140 | * | |
a88cab2b | 141 | * @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI. |
1c248b7d ID |
142 | * @is_connected: check for that display is connected or not. |
143 | * @get_edid: get edid modes from display driver. | |
607c50d4 | 144 | * @get_panel: get panel object from display driver. |
1c248b7d ID |
145 | * @check_timing: check if timing is valid or not. |
146 | * @power_on: display device on or off. | |
147 | */ | |
74ccc539 | 148 | struct exynos_drm_display_ops { |
1c248b7d ID |
149 | enum exynos_drm_output_type type; |
150 | bool (*is_connected)(struct device *dev); | |
9c08e4ba RS |
151 | struct edid *(*get_edid)(struct device *dev, |
152 | struct drm_connector *connector); | |
607c50d4 | 153 | void *(*get_panel)(struct device *dev); |
1c248b7d ID |
154 | int (*check_timing)(struct device *dev, void *timing); |
155 | int (*power_on)(struct device *dev, int mode); | |
156 | }; | |
157 | ||
158 | /* | |
159 | * Exynos drm manager ops | |
160 | * | |
ec05da95 ID |
161 | * @dpms: control device power. |
162 | * @apply: set timing, vblank and overlay data to registers. | |
1de425b0 | 163 | * @mode_fixup: fix mode data comparing to hw specific display mode. |
1c248b7d ID |
164 | * @mode_set: convert drm_display_mode to hw specific display mode and |
165 | * would be called by encoder->mode_set(). | |
1de425b0 | 166 | * @get_max_resol: get maximum resolution to specific hardware. |
1c248b7d ID |
167 | * @commit: set current hw specific display mode to hw. |
168 | * @enable_vblank: specific driver callback for enabling vblank interrupt. | |
169 | * @disable_vblank: specific driver callback for disabling vblank interrupt. | |
f74085a9 P |
170 | * @wait_for_vblank: wait for vblank interrupt to make sure that |
171 | * hardware overlay is updated. | |
1c248b7d ID |
172 | */ |
173 | struct exynos_drm_manager_ops { | |
ec05da95 ID |
174 | void (*dpms)(struct device *subdrv_dev, int mode); |
175 | void (*apply)(struct device *subdrv_dev); | |
1de425b0 ID |
176 | void (*mode_fixup)(struct device *subdrv_dev, |
177 | struct drm_connector *connector, | |
e811f5ae | 178 | const struct drm_display_mode *mode, |
1de425b0 | 179 | struct drm_display_mode *adjusted_mode); |
1c248b7d | 180 | void (*mode_set)(struct device *subdrv_dev, void *mode); |
1de425b0 ID |
181 | void (*get_max_resol)(struct device *subdrv_dev, unsigned int *width, |
182 | unsigned int *height); | |
1c248b7d ID |
183 | void (*commit)(struct device *subdrv_dev); |
184 | int (*enable_vblank)(struct device *subdrv_dev); | |
185 | void (*disable_vblank)(struct device *subdrv_dev); | |
f74085a9 | 186 | void (*wait_for_vblank)(struct device *subdrv_dev); |
1c248b7d ID |
187 | }; |
188 | ||
189 | /* | |
190 | * Exynos drm common manager structure. | |
191 | * | |
192 | * @dev: pointer to device object for subdrv device driver. | |
193 | * sub drivers such as display controller or hdmi driver, | |
194 | * have their own device object. | |
195 | * @ops: pointer to callbacks for exynos drm specific framebuffer. | |
196 | * these callbacks should be set by specific drivers such fimd | |
197 | * or hdmi driver and are used to control hardware global registers. | |
198 | * @overlay_ops: pointer to callbacks for exynos drm specific framebuffer. | |
199 | * these callbacks should be set by specific drivers such fimd | |
200 | * or hdmi driver and are used to control hardware overlay reigsters. | |
201 | * @display: pointer to callbacks for exynos drm specific framebuffer. | |
202 | * these callbacks should be set by specific drivers such fimd | |
203 | * or hdmi driver and are used to control display devices such as | |
204 | * analog tv, digital tv and lcd panel and also get timing data for them. | |
205 | */ | |
206 | struct exynos_drm_manager { | |
207 | struct device *dev; | |
208 | int pipe; | |
209 | struct exynos_drm_manager_ops *ops; | |
210 | struct exynos_drm_overlay_ops *overlay_ops; | |
74ccc539 | 211 | struct exynos_drm_display_ops *display_ops; |
1c248b7d ID |
212 | }; |
213 | ||
d7f1642c JS |
214 | struct exynos_drm_g2d_private { |
215 | struct device *dev; | |
216 | struct list_head inuse_cmdlist; | |
217 | struct list_head event_list; | |
2a3098ff | 218 | struct list_head userptr_list; |
d7f1642c JS |
219 | }; |
220 | ||
cb471f14 EK |
221 | struct exynos_drm_ipp_private { |
222 | struct device *dev; | |
223 | struct list_head event_list; | |
224 | }; | |
225 | ||
d7f1642c JS |
226 | struct drm_exynos_file_private { |
227 | struct exynos_drm_g2d_private *g2d_priv; | |
cb471f14 | 228 | struct exynos_drm_ipp_private *ipp_priv; |
d7f1642c JS |
229 | }; |
230 | ||
1c248b7d ID |
231 | /* |
232 | * Exynos drm private structure. | |
0519f9a1 ID |
233 | * |
234 | * @da_start: start address to device address space. | |
235 | * with iommu, device address space starts from this address | |
236 | * otherwise default one. | |
237 | * @da_space_size: size of device address space. | |
238 | * if 0 then default value is used for it. | |
239 | * @da_space_order: order to device address space. | |
1c248b7d ID |
240 | */ |
241 | struct exynos_drm_private { | |
242 | struct drm_fb_helper *fb_helper; | |
243 | ||
ccf4d883 | 244 | /* list head for new event to be added. */ |
1c248b7d | 245 | struct list_head pageflip_event_list; |
1c248b7d ID |
246 | |
247 | /* | |
248 | * created crtc object would be contained at this array and | |
249 | * this array is used to be aware of which crtc did it request vblank. | |
250 | */ | |
251 | struct drm_crtc *crtc[MAX_CRTC]; | |
00ae67cf | 252 | struct drm_property *plane_zpos_property; |
3b8d1cf8 | 253 | struct drm_property *crtc_mode_property; |
0519f9a1 ID |
254 | |
255 | unsigned long da_start; | |
256 | unsigned long da_space_size; | |
257 | unsigned long da_space_order; | |
1c248b7d ID |
258 | }; |
259 | ||
260 | /* | |
261 | * Exynos drm sub driver structure. | |
262 | * | |
263 | * @list: sub driver has its own list object to register to exynos drm driver. | |
677e84c1 | 264 | * @dev: pointer to device object for subdrv device driver. |
1c248b7d ID |
265 | * @drm_dev: pointer to drm_device and this pointer would be set |
266 | * when sub driver calls exynos_drm_subdrv_register(). | |
677e84c1 JS |
267 | * @manager: subdrv has its own manager to control a hardware appropriately |
268 | * and we can access a hardware drawing on this manager. | |
1c248b7d ID |
269 | * @probe: this callback would be called by exynos drm driver after |
270 | * subdrv is registered to it. | |
271 | * @remove: this callback is used to release resources created | |
272 | * by probe callback. | |
9084f7b8 JS |
273 | * @open: this would be called with drm device file open. |
274 | * @close: this would be called with drm device file close. | |
1c248b7d ID |
275 | * @encoder: encoder object owned by this sub driver. |
276 | * @connector: connector object owned by this sub driver. | |
277 | */ | |
278 | struct exynos_drm_subdrv { | |
279 | struct list_head list; | |
677e84c1 | 280 | struct device *dev; |
1c248b7d | 281 | struct drm_device *drm_dev; |
677e84c1 | 282 | struct exynos_drm_manager *manager; |
1c248b7d | 283 | |
41c24346 | 284 | int (*probe)(struct drm_device *drm_dev, struct device *dev); |
29cb6025 | 285 | void (*remove)(struct drm_device *drm_dev, struct device *dev); |
9084f7b8 JS |
286 | int (*open)(struct drm_device *drm_dev, struct device *dev, |
287 | struct drm_file *file); | |
288 | void (*close)(struct drm_device *drm_dev, struct device *dev, | |
289 | struct drm_file *file); | |
1c248b7d | 290 | |
1c248b7d ID |
291 | struct drm_encoder *encoder; |
292 | struct drm_connector *connector; | |
293 | }; | |
294 | ||
295 | /* | |
296 | * this function calls a probe callback registered to sub driver list and | |
297 | * create its own encoder and connector and then set drm_device object | |
298 | * to global one. | |
299 | */ | |
300 | int exynos_drm_device_register(struct drm_device *dev); | |
301 | /* | |
302 | * this function calls a remove callback registered to sub driver list and | |
303 | * destroy its own encoder and connetor. | |
304 | */ | |
305 | int exynos_drm_device_unregister(struct drm_device *dev); | |
306 | ||
307 | /* | |
308 | * this function would be called by sub drivers such as display controller | |
309 | * or hdmi driver to register this sub driver object to exynos drm driver | |
310 | * and when a sub driver is registered to exynos drm driver a probe callback | |
132a5b91 | 311 | * of the sub driver is called and creates its own encoder and connector. |
1c248b7d ID |
312 | */ |
313 | int exynos_drm_subdrv_register(struct exynos_drm_subdrv *drm_subdrv); | |
314 | ||
132a5b91 | 315 | /* this function removes subdrv list from exynos drm driver */ |
1c248b7d ID |
316 | int exynos_drm_subdrv_unregister(struct exynos_drm_subdrv *drm_subdrv); |
317 | ||
9084f7b8 JS |
318 | int exynos_drm_subdrv_open(struct drm_device *dev, struct drm_file *file); |
319 | void exynos_drm_subdrv_close(struct drm_device *dev, struct drm_file *file); | |
320 | ||
ae9dace2 RS |
321 | /* |
322 | * this function registers exynos drm hdmi platform device. It ensures only one | |
323 | * instance of the device is created. | |
324 | */ | |
0f6f9592 | 325 | int exynos_platform_device_hdmi_register(void); |
ae9dace2 RS |
326 | |
327 | /* | |
328 | * this function unregisters exynos drm hdmi platform device if it exists. | |
329 | */ | |
330 | void exynos_platform_device_hdmi_unregister(void); | |
331 | ||
43f41900 SWK |
332 | /* |
333 | * this function registers exynos drm ipp platform device. | |
334 | */ | |
335 | int exynos_platform_device_ipp_register(void); | |
336 | ||
337 | /* | |
338 | * this function unregisters exynos drm ipp platform device if it exists. | |
339 | */ | |
340 | void exynos_platform_device_ipp_unregister(void); | |
341 | ||
132a5b91 JS |
342 | extern struct platform_driver fimd_driver; |
343 | extern struct platform_driver hdmi_driver; | |
344 | extern struct platform_driver mixer_driver; | |
345 | extern struct platform_driver exynos_drm_common_hdmi_driver; | |
b73d1230 | 346 | extern struct platform_driver vidi_driver; |
d7f1642c | 347 | extern struct platform_driver g2d_driver; |
16102edb | 348 | extern struct platform_driver fimc_driver; |
bea8a429 | 349 | extern struct platform_driver rotator_driver; |
f2646380 | 350 | extern struct platform_driver gsc_driver; |
cb471f14 | 351 | extern struct platform_driver ipp_driver; |
1c248b7d | 352 | #endif |