3 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
5 * Inki Dae <inki.dae@samsung.com>
6 * Joonyoung Shim <jy0922.shim@samsung.com>
7 * Seung-Woo Kim <sw0312.kim@samsung.com>
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.
15 #ifndef _EXYNOS_DRM_DRV_H_
16 #define _EXYNOS_DRM_DRV_H_
19 #include <linux/module.h>
23 #define MAX_FB_BUFFER 4
24 #define DEFAULT_ZPOS -1
26 #define to_exynos_crtc(x) container_of(x, struct exynos_drm_crtc,\
28 #define to_exynos_plane(x) container_of(x, struct exynos_drm_plane, base)
30 /* This enumerates device type. */
31 enum exynos_drm_device_type {
32 EXYNOS_DEVICE_TYPE_NONE,
33 EXYNOS_DEVICE_TYPE_CRTC,
34 EXYNOS_DEVICE_TYPE_CONNECTOR,
37 /* this enumerates display type. */
38 enum exynos_drm_output_type {
39 EXYNOS_DISPLAY_TYPE_NONE,
40 /* RGB or CPU Interface. */
41 EXYNOS_DISPLAY_TYPE_LCD,
43 EXYNOS_DISPLAY_TYPE_HDMI,
44 /* Virtual Display Interface. */
45 EXYNOS_DISPLAY_TYPE_VIDI,
49 * Exynos drm common overlay structure.
52 * @fb_x: offset x on a framebuffer to be displayed.
53 * - the unit is screen coordinates.
54 * @fb_y: offset y on a framebuffer to be displayed.
55 * - the unit is screen coordinates.
56 * @fb_width: width of a framebuffer.
57 * @fb_height: height of a framebuffer.
58 * @src_width: width of a partial image to be displayed from framebuffer.
59 * @src_height: height of a partial image to be displayed from framebuffer.
60 * @crtc_x: offset x on hardware screen.
61 * @crtc_y: offset y on hardware screen.
62 * @crtc_width: window width to be displayed (hardware screen).
63 * @crtc_height: window height to be displayed (hardware screen).
64 * @mode_width: width of screen mode.
65 * @mode_height: height of screen mode.
66 * @refresh: refresh rate.
67 * @scan_flag: interlace or progressive way.
68 * (it could be DRM_MODE_FLAG_*)
69 * @bpp: pixel size.(in bit)
70 * @pixel_format: fourcc pixel format of this overlay
71 * @dma_addr: array of bus(accessed by dma) address to the memory region
72 * allocated for a overlay.
73 * @zpos: order of overlay layer(z position).
74 * @index_color: if using color key feature then this value would be used
76 * @default_win: a window to be enabled.
77 * @color_key: color key on or off.
78 * @local_path: in case of lcd type, local path mode on or off.
79 * @transparency: transparency on or off.
80 * @activated: activated or not.
81 * @enabled: enabled or not.
83 * this structure is common to exynos SoC and its contents would be copied
84 * to hardware specific overlay info.
87 struct exynos_drm_plane {
88 struct drm_plane base;
91 unsigned int fb_width;
92 unsigned int fb_height;
93 unsigned int src_width;
94 unsigned int src_height;
97 unsigned int crtc_width;
98 unsigned int crtc_height;
99 unsigned int mode_width;
100 unsigned int mode_height;
101 unsigned int refresh;
102 unsigned int scan_flag;
105 uint32_t pixel_format;
106 dma_addr_t dma_addr[MAX_FB_BUFFER];
108 unsigned int index_color;
119 * Exynos DRM Display Structure.
120 * - this structure is common to analog tv, digital tv and lcd panel.
122 * @create_connector: initialize and register a new connector
123 * @remove: cleans up the display for removal
124 * @mode_fixup: fix mode data comparing to hw specific display mode.
125 * @mode_set: convert drm_display_mode to hw specific display mode and
126 * would be called by encoder->mode_set().
127 * @check_mode: check if mode is valid or not.
128 * @dpms: display device on or off.
129 * @commit: apply changes to hw
131 struct exynos_drm_display;
132 struct exynos_drm_display_ops {
133 int (*create_connector)(struct exynos_drm_display *display,
134 struct drm_encoder *encoder);
135 void (*remove)(struct exynos_drm_display *display);
136 void (*mode_fixup)(struct exynos_drm_display *display,
137 struct drm_connector *connector,
138 const struct drm_display_mode *mode,
139 struct drm_display_mode *adjusted_mode);
140 void (*mode_set)(struct exynos_drm_display *display,
141 struct drm_display_mode *mode);
142 int (*check_mode)(struct exynos_drm_display *display,
143 struct drm_display_mode *mode);
144 void (*dpms)(struct exynos_drm_display *display, int mode);
145 void (*commit)(struct exynos_drm_display *display);
149 * Exynos drm display structure, maps 1:1 with an encoder/connector
151 * @list: the list entry for this manager
152 * @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI.
153 * @encoder: encoder object this display maps to
154 * @connector: connector object this display maps to
155 * @ops: pointer to callbacks for exynos drm specific functionality
156 * @ctx: A pointer to the display's implementation specific context
158 struct exynos_drm_display {
159 struct list_head list;
160 enum exynos_drm_output_type type;
161 struct drm_encoder *encoder;
162 struct drm_connector *connector;
163 struct exynos_drm_display_ops *ops;
167 * Exynos drm manager ops
169 * @dpms: control device power.
170 * @mode_fixup: fix mode data before applying it
171 * @mode_set: set the given mode to the manager
172 * @commit: set current hw specific display mode to hw.
173 * @enable_vblank: specific driver callback for enabling vblank interrupt.
174 * @disable_vblank: specific driver callback for disabling vblank interrupt.
175 * @wait_for_vblank: wait for vblank interrupt to make sure that
176 * hardware overlay is updated.
177 * @win_mode_set: copy drm overlay info to hw specific overlay info.
178 * @win_commit: apply hardware specific overlay data to registers.
179 * @win_enable: enable hardware specific overlay.
180 * @win_disable: disable hardware specific overlay.
181 * @te_handler: trigger to transfer video image at the tearing effect
182 * synchronization signal if there is a page flip request.
184 struct exynos_drm_manager;
185 struct exynos_drm_manager_ops {
186 void (*dpms)(struct exynos_drm_manager *mgr, int mode);
187 bool (*mode_fixup)(struct exynos_drm_manager *mgr,
188 const struct drm_display_mode *mode,
189 struct drm_display_mode *adjusted_mode);
190 void (*mode_set)(struct exynos_drm_manager *mgr,
191 const struct drm_display_mode *mode);
192 void (*commit)(struct exynos_drm_manager *mgr);
193 int (*enable_vblank)(struct exynos_drm_manager *mgr);
194 void (*disable_vblank)(struct exynos_drm_manager *mgr);
195 void (*wait_for_vblank)(struct exynos_drm_manager *mgr);
196 void (*win_mode_set)(struct exynos_drm_manager *mgr,
197 struct exynos_drm_plane *plane);
198 void (*win_commit)(struct exynos_drm_manager *mgr, int zpos);
199 void (*win_enable)(struct exynos_drm_manager *mgr, int zpos);
200 void (*win_disable)(struct exynos_drm_manager *mgr, int zpos);
201 void (*te_handler)(struct exynos_drm_manager *mgr);
205 * Exynos drm common manager structure, maps 1:1 with a crtc
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
210 * @crtc: crtc object.
211 * @pipe: the pipe number for this crtc/manager
212 * @ops: pointer to callbacks for exynos drm specific functionality
213 * @ctx: A pointer to the manager's implementation specific context
215 struct exynos_drm_manager {
216 struct list_head list;
217 enum exynos_drm_output_type type;
218 struct drm_device *drm_dev;
219 struct drm_crtc *crtc;
221 struct exynos_drm_manager_ops *ops;
224 enum exynos_crtc_mode {
225 CRTC_MODE_NORMAL, /* normal mode */
226 CRTC_MODE_BLANK, /* The private plane of crtc is blank */
230 * Exynos specific crtc structure.
232 * @drm_crtc: crtc object.
233 * @manager: the manager associated with this crtc
234 * @pipe: a crtc index created at load() with a new crtc object creation
235 * and the crtc object would be set to private->crtc array
236 * to get a crtc object corresponding to this pipe from private->crtc
237 * array when irq interrupt occurred. the reason of using this pipe is that
238 * drm framework doesn't support multiple irq yet.
239 * we can refer to the crtc to current hardware interrupt occurred through
241 * @dpms: store the crtc dpms value
242 * @mode: store the crtc mode value
244 struct exynos_drm_crtc {
245 struct drm_crtc drm_crtc;
246 struct exynos_drm_manager *manager;
249 enum exynos_crtc_mode mode;
250 wait_queue_head_t pending_flip_queue;
251 atomic_t pending_flip;
254 struct exynos_drm_g2d_private {
256 struct list_head inuse_cmdlist;
257 struct list_head event_list;
258 struct list_head userptr_list;
261 struct drm_exynos_file_private {
262 struct exynos_drm_g2d_private *g2d_priv;
263 struct device *ipp_dev;
267 * Exynos drm private structure.
269 * @da_start: start address to device address space.
270 * with iommu, device address space starts from this address
271 * otherwise default one.
272 * @da_space_size: size of device address space.
273 * if 0 then default value is used for it.
274 * @pipe: the pipe number for this crtc/manager.
276 struct exynos_drm_private {
277 struct drm_fb_helper *fb_helper;
279 /* list head for new event to be added. */
280 struct list_head pageflip_event_list;
283 * created crtc object would be contained at this array and
284 * this array is used to be aware of which crtc did it request vblank.
286 struct drm_crtc *crtc[MAX_CRTC];
287 struct drm_property *plane_zpos_property;
288 struct drm_property *crtc_mode_property;
290 unsigned long da_start;
291 unsigned long da_space_size;
297 * Exynos drm sub driver structure.
299 * @list: sub driver has its own list object to register to exynos drm driver.
300 * @dev: pointer to device object for subdrv device driver.
301 * @drm_dev: pointer to drm_device and this pointer would be set
302 * when sub driver calls exynos_drm_subdrv_register().
303 * @probe: this callback would be called by exynos drm driver after
304 * subdrv is registered to it.
305 * @remove: this callback is used to release resources created
307 * @open: this would be called with drm device file open.
308 * @close: this would be called with drm device file close.
310 struct exynos_drm_subdrv {
311 struct list_head list;
313 struct drm_device *drm_dev;
315 int (*probe)(struct drm_device *drm_dev, struct device *dev);
316 void (*remove)(struct drm_device *drm_dev, struct device *dev);
317 int (*open)(struct drm_device *drm_dev, struct device *dev,
318 struct drm_file *file);
319 void (*close)(struct drm_device *drm_dev, struct device *dev,
320 struct drm_file *file);
323 /* This function would be called by non kms drivers such as g2d and ipp. */
324 int exynos_drm_subdrv_register(struct exynos_drm_subdrv *drm_subdrv);
326 /* this function removes subdrv list from exynos drm driver */
327 int exynos_drm_subdrv_unregister(struct exynos_drm_subdrv *drm_subdrv);
329 int exynos_drm_device_subdrv_probe(struct drm_device *dev);
330 int exynos_drm_device_subdrv_remove(struct drm_device *dev);
331 int exynos_drm_subdrv_open(struct drm_device *dev, struct drm_file *file);
332 void exynos_drm_subdrv_close(struct drm_device *dev, struct drm_file *file);
334 #ifdef CONFIG_DRM_EXYNOS_IPP
335 int exynos_platform_device_ipp_register(void);
336 void exynos_platform_device_ipp_unregister(void);
338 static inline int exynos_platform_device_ipp_register(void) { return 0; }
339 static inline void exynos_platform_device_ipp_unregister(void) {}
343 #ifdef CONFIG_DRM_EXYNOS_DPI
344 struct exynos_drm_display * exynos_dpi_probe(struct device *dev);
345 int exynos_dpi_remove(struct exynos_drm_display *display);
347 static inline struct exynos_drm_display *
348 exynos_dpi_probe(struct device *dev) { return NULL; }
349 static inline int exynos_dpi_remove(struct exynos_drm_display *display)
355 #ifdef CONFIG_DRM_EXYNOS_VIDI
356 int exynos_drm_probe_vidi(void);
357 void exynos_drm_remove_vidi(void);
359 static inline int exynos_drm_probe_vidi(void) { return 0; }
360 static inline void exynos_drm_remove_vidi(void) {}
363 /* This function creates a encoder and a connector, and initializes them. */
364 int exynos_drm_create_enc_conn(struct drm_device *dev,
365 struct exynos_drm_display *display);
367 int exynos_drm_component_add(struct device *dev,
368 enum exynos_drm_device_type dev_type,
369 enum exynos_drm_output_type out_type);
371 void exynos_drm_component_del(struct device *dev,
372 enum exynos_drm_device_type dev_type);
374 extern struct platform_driver fimd_driver;
375 extern struct platform_driver dp_driver;
376 extern struct platform_driver dsi_driver;
377 extern struct platform_driver mixer_driver;
378 extern struct platform_driver hdmi_driver;
379 extern struct platform_driver exynos_drm_common_hdmi_driver;
380 extern struct platform_driver vidi_driver;
381 extern struct platform_driver g2d_driver;
382 extern struct platform_driver fimc_driver;
383 extern struct platform_driver rotator_driver;
384 extern struct platform_driver gsc_driver;
385 extern struct platform_driver ipp_driver;