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1 | /* |
1 | /* |
2 | * Copyright (c) 2006-2009 Red Hat Inc. |
2 | * Copyright (c) 2006-2009 Red Hat Inc. |
3 | * Copyright (c) 2006-2008 Intel Corporation |
3 | * Copyright (c) 2006-2008 Intel Corporation |
4 | * Copyright (c) 2007 Dave Airlie |
4 | * Copyright (c) 2007 Dave Airlie |
5 | * |
5 | * |
6 | * DRM framebuffer helper functions |
6 | * DRM framebuffer helper functions |
7 | * |
7 | * |
8 | * Permission to use, copy, modify, distribute, and sell this software and its |
8 | * Permission to use, copy, modify, distribute, and sell this software and its |
9 | * documentation for any purpose is hereby granted without fee, provided that |
9 | * documentation for any purpose is hereby granted without fee, provided that |
10 | * the above copyright notice appear in all copies and that both that copyright |
10 | * the above copyright notice appear in all copies and that both that copyright |
11 | * notice and this permission notice appear in supporting documentation, and |
11 | * notice and this permission notice appear in supporting documentation, and |
12 | * that the name of the copyright holders not be used in advertising or |
12 | * that the name of the copyright holders not be used in advertising or |
13 | * publicity pertaining to distribution of the software without specific, |
13 | * publicity pertaining to distribution of the software without specific, |
14 | * written prior permission. The copyright holders make no representations |
14 | * written prior permission. The copyright holders make no representations |
15 | * about the suitability of this software for any purpose. It is provided "as |
15 | * about the suitability of this software for any purpose. It is provided "as |
16 | * is" without express or implied warranty. |
16 | * is" without express or implied warranty. |
17 | * |
17 | * |
18 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
18 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
19 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
19 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
20 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
20 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
21 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
21 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
22 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
22 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
23 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
23 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
24 | * OF THIS SOFTWARE. |
24 | * OF THIS SOFTWARE. |
25 | * |
25 | * |
26 | * Authors: |
26 | * Authors: |
27 | * Dave Airlie |
27 | * Dave Airlie |
28 | * Jesse Barnes |
28 | * Jesse Barnes |
29 | */ |
29 | */ |
30 | #ifndef DRM_FB_HELPER_H |
30 | #ifndef DRM_FB_HELPER_H |
31 | #define DRM_FB_HELPER_H |
31 | #define DRM_FB_HELPER_H |
32 | 32 | ||
33 | struct drm_fb_helper; |
33 | struct drm_fb_helper; |
34 | 34 | ||
35 | #include |
35 | #include |
36 | 36 | ||
37 | enum mode_set_atomic { |
37 | enum mode_set_atomic { |
38 | LEAVE_ATOMIC_MODE_SET, |
38 | LEAVE_ATOMIC_MODE_SET, |
39 | ENTER_ATOMIC_MODE_SET, |
39 | ENTER_ATOMIC_MODE_SET, |
40 | }; |
40 | }; |
41 | 41 | ||
42 | struct drm_fb_offset { |
42 | struct drm_fb_offset { |
43 | int x, y; |
43 | int x, y; |
44 | }; |
44 | }; |
45 | 45 | ||
46 | struct drm_fb_helper_crtc { |
46 | struct drm_fb_helper_crtc { |
47 | struct drm_mode_set mode_set; |
47 | struct drm_mode_set mode_set; |
48 | struct drm_display_mode *desired_mode; |
48 | struct drm_display_mode *desired_mode; |
49 | int x, y; |
49 | int x, y; |
50 | }; |
50 | }; |
51 | 51 | ||
52 | /** |
52 | /** |
53 | * struct drm_fb_helper_surface_size - describes fbdev size and scanout surface size |
53 | * struct drm_fb_helper_surface_size - describes fbdev size and scanout surface size |
54 | * @fb_width: fbdev width |
54 | * @fb_width: fbdev width |
55 | * @fb_height: fbdev height |
55 | * @fb_height: fbdev height |
56 | * @surface_width: scanout buffer width |
56 | * @surface_width: scanout buffer width |
57 | * @surface_height: scanout buffer height |
57 | * @surface_height: scanout buffer height |
58 | * @surface_bpp: scanout buffer bpp |
58 | * @surface_bpp: scanout buffer bpp |
59 | * @surface_depth: scanout buffer depth |
59 | * @surface_depth: scanout buffer depth |
60 | * |
60 | * |
61 | * Note that the scanout surface width/height may be larger than the fbdev |
61 | * Note that the scanout surface width/height may be larger than the fbdev |
62 | * width/height. In case of multiple displays, the scanout surface is sized |
62 | * width/height. In case of multiple displays, the scanout surface is sized |
63 | * according to the largest width/height (so it is large enough for all CRTCs |
63 | * according to the largest width/height (so it is large enough for all CRTCs |
64 | * to scanout). But the fbdev width/height is sized to the minimum width/ |
64 | * to scanout). But the fbdev width/height is sized to the minimum width/ |
65 | * height of all the displays. This ensures that fbcon fits on the smallest |
65 | * height of all the displays. This ensures that fbcon fits on the smallest |
66 | * of the attached displays. |
66 | * of the attached displays. |
67 | * |
67 | * |
68 | * So what is passed to drm_fb_helper_fill_var() should be fb_width/fb_height, |
68 | * So what is passed to drm_fb_helper_fill_var() should be fb_width/fb_height, |
69 | * rather than the surface size. |
69 | * rather than the surface size. |
70 | */ |
70 | */ |
71 | struct drm_fb_helper_surface_size { |
71 | struct drm_fb_helper_surface_size { |
72 | u32 fb_width; |
72 | u32 fb_width; |
73 | u32 fb_height; |
73 | u32 fb_height; |
74 | u32 surface_width; |
74 | u32 surface_width; |
75 | u32 surface_height; |
75 | u32 surface_height; |
76 | u32 surface_bpp; |
76 | u32 surface_bpp; |
77 | u32 surface_depth; |
77 | u32 surface_depth; |
78 | }; |
78 | }; |
79 | 79 | ||
80 | /** |
80 | /** |
81 | * struct drm_fb_helper_funcs - driver callbacks for the fbdev emulation library |
81 | * struct drm_fb_helper_funcs - driver callbacks for the fbdev emulation library |
82 | * |
82 | * |
83 | * Driver callbacks used by the fbdev emulation helper library. |
83 | * Driver callbacks used by the fbdev emulation helper library. |
84 | */ |
84 | */ |
85 | struct drm_fb_helper_funcs { |
85 | struct drm_fb_helper_funcs { |
86 | /** |
86 | /** |
87 | * @gamma_set: |
87 | * @gamma_set: |
88 | * |
88 | * |
89 | * Set the given gamma LUT register on the given CRTC. |
89 | * Set the given gamma LUT register on the given CRTC. |
90 | * |
90 | * |
91 | * This callback is optional. |
91 | * This callback is optional. |
92 | * |
92 | * |
93 | * FIXME: |
93 | * FIXME: |
94 | * |
94 | * |
95 | * This callback is functionally redundant with the core gamma table |
95 | * This callback is functionally redundant with the core gamma table |
96 | * support and simply exists because the fbdev hasn't yet been |
96 | * support and simply exists because the fbdev hasn't yet been |
97 | * refactored to use the core gamma table interfaces. |
97 | * refactored to use the core gamma table interfaces. |
98 | */ |
98 | */ |
99 | void (*gamma_set)(struct drm_crtc *crtc, u16 red, u16 green, |
99 | void (*gamma_set)(struct drm_crtc *crtc, u16 red, u16 green, |
100 | u16 blue, int regno); |
100 | u16 blue, int regno); |
101 | /** |
101 | /** |
102 | * @gamma_get: |
102 | * @gamma_get: |
103 | * |
103 | * |
104 | * Read the given gamma LUT register on the given CRTC, used to save the |
104 | * Read the given gamma LUT register on the given CRTC, used to save the |
105 | * current LUT when force-restoring the fbdev for e.g. kdbg. |
105 | * current LUT when force-restoring the fbdev for e.g. kdbg. |
106 | * |
106 | * |
107 | * This callback is optional. |
107 | * This callback is optional. |
108 | * |
108 | * |
109 | * FIXME: |
109 | * FIXME: |
110 | * |
110 | * |
111 | * This callback is functionally redundant with the core gamma table |
111 | * This callback is functionally redundant with the core gamma table |
112 | * support and simply exists because the fbdev hasn't yet been |
112 | * support and simply exists because the fbdev hasn't yet been |
113 | * refactored to use the core gamma table interfaces. |
113 | * refactored to use the core gamma table interfaces. |
114 | */ |
114 | */ |
115 | void (*gamma_get)(struct drm_crtc *crtc, u16 *red, u16 *green, |
115 | void (*gamma_get)(struct drm_crtc *crtc, u16 *red, u16 *green, |
116 | u16 *blue, int regno); |
116 | u16 *blue, int regno); |
117 | 117 | ||
118 | /** |
118 | /** |
119 | * @fb_probe: |
119 | * @fb_probe: |
120 | * |
120 | * |
121 | * Driver callback to allocate and initialize the fbdev info structure. |
121 | * Driver callback to allocate and initialize the fbdev info structure. |
122 | * Furthermore it also needs to allocate the DRM framebuffer used to |
122 | * Furthermore it also needs to allocate the DRM framebuffer used to |
123 | * back the fbdev. |
123 | * back the fbdev. |
124 | * |
124 | * |
125 | * This callback is mandatory. |
125 | * This callback is mandatory. |
126 | * |
126 | * |
127 | * RETURNS: |
127 | * RETURNS: |
128 | * |
128 | * |
129 | * The driver should return 0 on success and a negative error code on |
129 | * The driver should return 0 on success and a negative error code on |
130 | * failure. |
130 | * failure. |
131 | */ |
131 | */ |
132 | int (*fb_probe)(struct drm_fb_helper *helper, |
132 | int (*fb_probe)(struct drm_fb_helper *helper, |
133 | struct drm_fb_helper_surface_size *sizes); |
133 | struct drm_fb_helper_surface_size *sizes); |
134 | 134 | ||
135 | /** |
135 | /** |
136 | * @initial_config: |
136 | * @initial_config: |
137 | * |
137 | * |
138 | * Driver callback to setup an initial fbdev display configuration. |
138 | * Driver callback to setup an initial fbdev display configuration. |
139 | * Drivers can use this callback to tell the fbdev emulation what the |
139 | * Drivers can use this callback to tell the fbdev emulation what the |
140 | * preferred initial configuration is. This is useful to implement |
140 | * preferred initial configuration is. This is useful to implement |
141 | * smooth booting where the fbdev (and subsequently all userspace) never |
141 | * smooth booting where the fbdev (and subsequently all userspace) never |
142 | * changes the mode, but always inherits the existing configuration. |
142 | * changes the mode, but always inherits the existing configuration. |
143 | * |
143 | * |
144 | * This callback is optional. |
144 | * This callback is optional. |
145 | * |
145 | * |
146 | * RETURNS: |
146 | * RETURNS: |
147 | * |
147 | * |
148 | * The driver should return true if a suitable initial configuration has |
148 | * The driver should return true if a suitable initial configuration has |
149 | * been filled out and false when the fbdev helper should fall back to |
149 | * been filled out and false when the fbdev helper should fall back to |
150 | * the default probing logic. |
150 | * the default probing logic. |
151 | */ |
151 | */ |
152 | bool (*initial_config)(struct drm_fb_helper *fb_helper, |
152 | bool (*initial_config)(struct drm_fb_helper *fb_helper, |
153 | struct drm_fb_helper_crtc **crtcs, |
153 | struct drm_fb_helper_crtc **crtcs, |
154 | struct drm_display_mode **modes, |
154 | struct drm_display_mode **modes, |
155 | struct drm_fb_offset *offsets, |
155 | struct drm_fb_offset *offsets, |
156 | bool *enabled, int width, int height); |
156 | bool *enabled, int width, int height); |
157 | }; |
157 | }; |
158 | 158 | ||
159 | struct drm_fb_helper_connector { |
159 | struct drm_fb_helper_connector { |
160 | struct drm_connector *connector; |
160 | struct drm_connector *connector; |
161 | }; |
161 | }; |
162 | 162 | ||
163 | /** |
163 | /** |
164 | * struct drm_fb_helper - main structure to emulate fbdev on top of KMS |
164 | * struct drm_fb_helper - main structure to emulate fbdev on top of KMS |
165 | * @fb: Scanout framebuffer object |
165 | * @fb: Scanout framebuffer object |
166 | * @dev: DRM device |
166 | * @dev: DRM device |
167 | * @crtc_count: number of possible CRTCs |
167 | * @crtc_count: number of possible CRTCs |
168 | * @crtc_info: per-CRTC helper state (mode, x/y offset, etc) |
168 | * @crtc_info: per-CRTC helper state (mode, x/y offset, etc) |
169 | * @connector_count: number of connected connectors |
169 | * @connector_count: number of connected connectors |
170 | * @connector_info_alloc_count: size of connector_info |
170 | * @connector_info_alloc_count: size of connector_info |
171 | * @connector_info: array of per-connector information |
171 | * @connector_info: array of per-connector information |
172 | * @funcs: driver callbacks for fb helper |
172 | * @funcs: driver callbacks for fb helper |
173 | * @fbdev: emulated fbdev device info struct |
173 | * @fbdev: emulated fbdev device info struct |
174 | * @pseudo_palette: fake palette of 16 colors |
174 | * @pseudo_palette: fake palette of 16 colors |
175 | * |
175 | * |
176 | * This is the main structure used by the fbdev helpers. Drivers supporting |
176 | * This is the main structure used by the fbdev helpers. Drivers supporting |
177 | * fbdev emulation should embedded this into their overall driver structure. |
177 | * fbdev emulation should embedded this into their overall driver structure. |
178 | * Drivers must also fill out a struct &drm_fb_helper_funcs with a few |
178 | * Drivers must also fill out a struct &drm_fb_helper_funcs with a few |
179 | * operations. |
179 | * operations. |
180 | */ |
180 | */ |
181 | struct drm_fb_helper { |
181 | struct drm_fb_helper { |
182 | struct drm_framebuffer *fb; |
182 | struct drm_framebuffer *fb; |
183 | struct drm_device *dev; |
183 | struct drm_device *dev; |
184 | int crtc_count; |
184 | int crtc_count; |
185 | struct drm_fb_helper_crtc *crtc_info; |
185 | struct drm_fb_helper_crtc *crtc_info; |
186 | int connector_count; |
186 | int connector_count; |
187 | int connector_info_alloc_count; |
187 | int connector_info_alloc_count; |
188 | struct drm_fb_helper_connector **connector_info; |
188 | struct drm_fb_helper_connector **connector_info; |
189 | const struct drm_fb_helper_funcs *funcs; |
189 | const struct drm_fb_helper_funcs *funcs; |
190 | struct fb_info *fbdev; |
190 | struct fb_info *fbdev; |
191 | u32 pseudo_palette[17]; |
191 | u32 pseudo_palette[17]; |
192 | 192 | ||
193 | /** |
193 | /** |
194 | * @kernel_fb_list: |
194 | * @kernel_fb_list: |
195 | * |
195 | * |
196 | * Entry on the global kernel_fb_helper_list, used for kgdb entry/exit. |
196 | * Entry on the global kernel_fb_helper_list, used for kgdb entry/exit. |
197 | */ |
197 | */ |
198 | struct list_head kernel_fb_list; |
198 | struct list_head kernel_fb_list; |
199 | 199 | ||
200 | /** |
200 | /** |
201 | * @delayed_hotplug: |
201 | * @delayed_hotplug: |
202 | * |
202 | * |
203 | * A hotplug was received while fbdev wasn't in control of the DRM |
203 | * A hotplug was received while fbdev wasn't in control of the DRM |
204 | * device, i.e. another KMS master was active. The output configuration |
204 | * device, i.e. another KMS master was active. The output configuration |
205 | * needs to be reprobe when fbdev is in control again. |
205 | * needs to be reprobe when fbdev is in control again. |
206 | */ |
206 | */ |
207 | bool delayed_hotplug; |
207 | bool delayed_hotplug; |
208 | 208 | ||
209 | /** |
209 | /** |
210 | * @atomic: |
210 | * @atomic: |
211 | * |
211 | * |
212 | * Use atomic updates for restore_fbdev_mode(), etc. This defaults to |
212 | * Use atomic updates for restore_fbdev_mode(), etc. This defaults to |
213 | * true if driver has DRIVER_ATOMIC feature flag, but drivers can |
213 | * true if driver has DRIVER_ATOMIC feature flag, but drivers can |
214 | * override it to true after drm_fb_helper_init() if they support atomic |
214 | * override it to true after drm_fb_helper_init() if they support atomic |
215 | * modeset but do not yet advertise DRIVER_ATOMIC (note that fb-helper |
215 | * modeset but do not yet advertise DRIVER_ATOMIC (note that fb-helper |
216 | * does not require ASYNC commits). |
216 | * does not require ASYNC commits). |
217 | */ |
217 | */ |
218 | bool atomic; |
218 | bool atomic; |
219 | }; |
219 | }; |
220 | 220 | ||
221 | #ifdef CONFIG_DRM_FBDEV_EMULATION |
221 | #ifdef CONFIG_DRM_FBDEV_EMULATION |
- | 222 | int drm_fb_helper_modinit(void); |
|
222 | void drm_fb_helper_prepare(struct drm_device *dev, struct drm_fb_helper *helper, |
223 | void drm_fb_helper_prepare(struct drm_device *dev, struct drm_fb_helper *helper, |
223 | const struct drm_fb_helper_funcs *funcs); |
224 | const struct drm_fb_helper_funcs *funcs); |
224 | int drm_fb_helper_init(struct drm_device *dev, |
225 | int drm_fb_helper_init(struct drm_device *dev, |
225 | struct drm_fb_helper *helper, int crtc_count, |
226 | struct drm_fb_helper *helper, int crtc_count, |
226 | int max_conn); |
227 | int max_conn); |
227 | void drm_fb_helper_fini(struct drm_fb_helper *helper); |
228 | void drm_fb_helper_fini(struct drm_fb_helper *helper); |
228 | int drm_fb_helper_blank(int blank, struct fb_info *info); |
229 | int drm_fb_helper_blank(int blank, struct fb_info *info); |
229 | int drm_fb_helper_pan_display(struct fb_var_screeninfo *var, |
230 | int drm_fb_helper_pan_display(struct fb_var_screeninfo *var, |
230 | struct fb_info *info); |
231 | struct fb_info *info); |
231 | int drm_fb_helper_set_par(struct fb_info *info); |
232 | int drm_fb_helper_set_par(struct fb_info *info); |
232 | int drm_fb_helper_check_var(struct fb_var_screeninfo *var, |
233 | int drm_fb_helper_check_var(struct fb_var_screeninfo *var, |
233 | struct fb_info *info); |
234 | struct fb_info *info); |
234 | 235 | ||
235 | int drm_fb_helper_restore_fbdev_mode_unlocked(struct drm_fb_helper *fb_helper); |
236 | int drm_fb_helper_restore_fbdev_mode_unlocked(struct drm_fb_helper *fb_helper); |
236 | 237 | ||
237 | struct fb_info *drm_fb_helper_alloc_fbi(struct drm_fb_helper *fb_helper); |
238 | struct fb_info *drm_fb_helper_alloc_fbi(struct drm_fb_helper *fb_helper); |
238 | void drm_fb_helper_unregister_fbi(struct drm_fb_helper *fb_helper); |
239 | void drm_fb_helper_unregister_fbi(struct drm_fb_helper *fb_helper); |
239 | void drm_fb_helper_release_fbi(struct drm_fb_helper *fb_helper); |
240 | void drm_fb_helper_release_fbi(struct drm_fb_helper *fb_helper); |
240 | void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helper, |
241 | void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helper, |
241 | uint32_t fb_width, uint32_t fb_height); |
242 | uint32_t fb_width, uint32_t fb_height); |
242 | void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch, |
243 | void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch, |
243 | uint32_t depth); |
244 | uint32_t depth); |
244 | 245 | ||
245 | void drm_fb_helper_unlink_fbi(struct drm_fb_helper *fb_helper); |
246 | void drm_fb_helper_unlink_fbi(struct drm_fb_helper *fb_helper); |
246 | 247 | ||
247 | ssize_t drm_fb_helper_sys_read(struct fb_info *info, char __user *buf, |
248 | ssize_t drm_fb_helper_sys_read(struct fb_info *info, char __user *buf, |
248 | size_t count, loff_t *ppos); |
249 | size_t count, loff_t *ppos); |
249 | ssize_t drm_fb_helper_sys_write(struct fb_info *info, const char __user *buf, |
250 | ssize_t drm_fb_helper_sys_write(struct fb_info *info, const char __user *buf, |
250 | size_t count, loff_t *ppos); |
251 | size_t count, loff_t *ppos); |
251 | 252 | ||
252 | void drm_fb_helper_sys_fillrect(struct fb_info *info, |
253 | void drm_fb_helper_sys_fillrect(struct fb_info *info, |
253 | const struct fb_fillrect *rect); |
254 | const struct fb_fillrect *rect); |
254 | void drm_fb_helper_sys_copyarea(struct fb_info *info, |
255 | void drm_fb_helper_sys_copyarea(struct fb_info *info, |
255 | const struct fb_copyarea *area); |
256 | const struct fb_copyarea *area); |
256 | void drm_fb_helper_sys_imageblit(struct fb_info *info, |
257 | void drm_fb_helper_sys_imageblit(struct fb_info *info, |
257 | const struct fb_image *image); |
258 | const struct fb_image *image); |
258 | 259 | ||
259 | void drm_fb_helper_cfb_fillrect(struct fb_info *info, |
260 | void drm_fb_helper_cfb_fillrect(struct fb_info *info, |
260 | const struct fb_fillrect *rect); |
261 | const struct fb_fillrect *rect); |
261 | void drm_fb_helper_cfb_copyarea(struct fb_info *info, |
262 | void drm_fb_helper_cfb_copyarea(struct fb_info *info, |
262 | const struct fb_copyarea *area); |
263 | const struct fb_copyarea *area); |
263 | void drm_fb_helper_cfb_imageblit(struct fb_info *info, |
264 | void drm_fb_helper_cfb_imageblit(struct fb_info *info, |
264 | const struct fb_image *image); |
265 | const struct fb_image *image); |
265 | 266 | ||
266 | void drm_fb_helper_set_suspend(struct drm_fb_helper *fb_helper, int state); |
267 | void drm_fb_helper_set_suspend(struct drm_fb_helper *fb_helper, int state); |
267 | 268 | ||
268 | int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info); |
269 | int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info); |
269 | 270 | ||
270 | int drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper); |
271 | int drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper); |
271 | int drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, int bpp_sel); |
272 | int drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, int bpp_sel); |
272 | int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper); |
273 | int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper); |
273 | int drm_fb_helper_debug_enter(struct fb_info *info); |
274 | int drm_fb_helper_debug_enter(struct fb_info *info); |
274 | int drm_fb_helper_debug_leave(struct fb_info *info); |
275 | int drm_fb_helper_debug_leave(struct fb_info *info); |
275 | struct drm_display_mode * |
276 | struct drm_display_mode * |
276 | drm_has_preferred_mode(struct drm_fb_helper_connector *fb_connector, |
277 | drm_has_preferred_mode(struct drm_fb_helper_connector *fb_connector, |
277 | int width, int height); |
278 | int width, int height); |
278 | struct drm_display_mode * |
279 | struct drm_display_mode * |
279 | drm_pick_cmdline_mode(struct drm_fb_helper_connector *fb_helper_conn, |
280 | drm_pick_cmdline_mode(struct drm_fb_helper_connector *fb_helper_conn, |
280 | int width, int height); |
281 | int width, int height); |
281 | 282 | ||
282 | int drm_fb_helper_add_one_connector(struct drm_fb_helper *fb_helper, struct drm_connector *connector); |
283 | int drm_fb_helper_add_one_connector(struct drm_fb_helper *fb_helper, struct drm_connector *connector); |
283 | int drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper, |
284 | int drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper, |
284 | struct drm_connector *connector); |
285 | struct drm_connector *connector); |
285 | #else |
286 | #else |
- | 287 | static inline int drm_fb_helper_modinit(void) |
|
- | 288 | { |
|
- | 289 | return 0; |
|
- | 290 | } |
|
- | 291 | ||
286 | static inline void drm_fb_helper_prepare(struct drm_device *dev, |
292 | static inline void drm_fb_helper_prepare(struct drm_device *dev, |
287 | struct drm_fb_helper *helper, |
293 | struct drm_fb_helper *helper, |
288 | const struct drm_fb_helper_funcs *funcs) |
294 | const struct drm_fb_helper_funcs *funcs) |
289 | { |
295 | { |
290 | } |
296 | } |
291 | 297 | ||
292 | static inline int drm_fb_helper_init(struct drm_device *dev, |
298 | static inline int drm_fb_helper_init(struct drm_device *dev, |
293 | struct drm_fb_helper *helper, int crtc_count, |
299 | struct drm_fb_helper *helper, int crtc_count, |
294 | int max_conn) |
300 | int max_conn) |
295 | { |
301 | { |
296 | return 0; |
302 | return 0; |
297 | } |
303 | } |
298 | 304 | ||
299 | static inline void drm_fb_helper_fini(struct drm_fb_helper *helper) |
305 | static inline void drm_fb_helper_fini(struct drm_fb_helper *helper) |
300 | { |
306 | { |
301 | } |
307 | } |
302 | 308 | ||
303 | static inline int drm_fb_helper_blank(int blank, struct fb_info *info) |
309 | static inline int drm_fb_helper_blank(int blank, struct fb_info *info) |
304 | { |
310 | { |
305 | return 0; |
311 | return 0; |
306 | } |
312 | } |
307 | 313 | ||
308 | static inline int drm_fb_helper_pan_display(struct fb_var_screeninfo *var, |
314 | static inline int drm_fb_helper_pan_display(struct fb_var_screeninfo *var, |
309 | struct fb_info *info) |
315 | struct fb_info *info) |
310 | { |
316 | { |
311 | return 0; |
317 | return 0; |
312 | } |
318 | } |
313 | 319 | ||
314 | static inline int drm_fb_helper_set_par(struct fb_info *info) |
320 | static inline int drm_fb_helper_set_par(struct fb_info *info) |
315 | { |
321 | { |
316 | return 0; |
322 | return 0; |
317 | } |
323 | } |
318 | 324 | ||
319 | static inline int drm_fb_helper_check_var(struct fb_var_screeninfo *var, |
325 | static inline int drm_fb_helper_check_var(struct fb_var_screeninfo *var, |
320 | struct fb_info *info) |
326 | struct fb_info *info) |
321 | { |
327 | { |
322 | return 0; |
328 | return 0; |
323 | } |
329 | } |
324 | 330 | ||
325 | static inline int |
331 | static inline int |
326 | drm_fb_helper_restore_fbdev_mode_unlocked(struct drm_fb_helper *fb_helper) |
332 | drm_fb_helper_restore_fbdev_mode_unlocked(struct drm_fb_helper *fb_helper) |
327 | { |
333 | { |
328 | return 0; |
334 | return 0; |
329 | } |
335 | } |
330 | 336 | ||
331 | static inline struct fb_info * |
337 | static inline struct fb_info * |
332 | drm_fb_helper_alloc_fbi(struct drm_fb_helper *fb_helper) |
338 | drm_fb_helper_alloc_fbi(struct drm_fb_helper *fb_helper) |
333 | { |
339 | { |
334 | return NULL; |
340 | return NULL; |
335 | } |
341 | } |
336 | 342 | ||
337 | static inline void drm_fb_helper_unregister_fbi(struct drm_fb_helper *fb_helper) |
343 | static inline void drm_fb_helper_unregister_fbi(struct drm_fb_helper *fb_helper) |
338 | { |
344 | { |
339 | } |
345 | } |
340 | static inline void drm_fb_helper_release_fbi(struct drm_fb_helper *fb_helper) |
346 | static inline void drm_fb_helper_release_fbi(struct drm_fb_helper *fb_helper) |
341 | { |
347 | { |
342 | } |
348 | } |
343 | 349 | ||
344 | static inline void drm_fb_helper_fill_var(struct fb_info *info, |
350 | static inline void drm_fb_helper_fill_var(struct fb_info *info, |
345 | struct drm_fb_helper *fb_helper, |
351 | struct drm_fb_helper *fb_helper, |
346 | uint32_t fb_width, uint32_t fb_height) |
352 | uint32_t fb_width, uint32_t fb_height) |
347 | { |
353 | { |
348 | } |
354 | } |
349 | 355 | ||
350 | static inline void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch, |
356 | static inline void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch, |
351 | uint32_t depth) |
357 | uint32_t depth) |
352 | { |
358 | { |
353 | } |
359 | } |
354 | 360 | ||
355 | static inline int drm_fb_helper_setcmap(struct fb_cmap *cmap, |
361 | static inline int drm_fb_helper_setcmap(struct fb_cmap *cmap, |
356 | struct fb_info *info) |
362 | struct fb_info *info) |
357 | { |
363 | { |
358 | return 0; |
364 | return 0; |
359 | } |
365 | } |
360 | 366 | ||
361 | static inline void drm_fb_helper_unlink_fbi(struct drm_fb_helper *fb_helper) |
367 | static inline void drm_fb_helper_unlink_fbi(struct drm_fb_helper *fb_helper) |
362 | { |
368 | { |
363 | } |
369 | } |
364 | 370 | ||
365 | static inline ssize_t drm_fb_helper_sys_read(struct fb_info *info, |
371 | static inline ssize_t drm_fb_helper_sys_read(struct fb_info *info, |
366 | char __user *buf, size_t count, |
372 | char __user *buf, size_t count, |
367 | loff_t *ppos) |
373 | loff_t *ppos) |
368 | { |
374 | { |
369 | return -ENODEV; |
375 | return -ENODEV; |
370 | } |
376 | } |
371 | 377 | ||
372 | static inline ssize_t drm_fb_helper_sys_write(struct fb_info *info, |
378 | static inline ssize_t drm_fb_helper_sys_write(struct fb_info *info, |
373 | const char __user *buf, |
379 | const char __user *buf, |
374 | size_t count, loff_t *ppos) |
380 | size_t count, loff_t *ppos) |
375 | { |
381 | { |
376 | return -ENODEV; |
382 | return -ENODEV; |
377 | } |
383 | } |
378 | 384 | ||
379 | static inline void drm_fb_helper_sys_fillrect(struct fb_info *info, |
385 | static inline void drm_fb_helper_sys_fillrect(struct fb_info *info, |
380 | const struct fb_fillrect *rect) |
386 | const struct fb_fillrect *rect) |
381 | { |
387 | { |
382 | } |
388 | } |
383 | 389 | ||
384 | static inline void drm_fb_helper_sys_copyarea(struct fb_info *info, |
390 | static inline void drm_fb_helper_sys_copyarea(struct fb_info *info, |
385 | const struct fb_copyarea *area) |
391 | const struct fb_copyarea *area) |
386 | { |
392 | { |
387 | } |
393 | } |
388 | 394 | ||
389 | static inline void drm_fb_helper_sys_imageblit(struct fb_info *info, |
395 | static inline void drm_fb_helper_sys_imageblit(struct fb_info *info, |
390 | const struct fb_image *image) |
396 | const struct fb_image *image) |
391 | { |
397 | { |
392 | } |
398 | } |
393 | 399 | ||
394 | static inline void drm_fb_helper_cfb_fillrect(struct fb_info *info, |
400 | static inline void drm_fb_helper_cfb_fillrect(struct fb_info *info, |
395 | const struct fb_fillrect *rect) |
401 | const struct fb_fillrect *rect) |
396 | { |
402 | { |
397 | } |
403 | } |
398 | 404 | ||
399 | static inline void drm_fb_helper_cfb_copyarea(struct fb_info *info, |
405 | static inline void drm_fb_helper_cfb_copyarea(struct fb_info *info, |
400 | const struct fb_copyarea *area) |
406 | const struct fb_copyarea *area) |
401 | { |
407 | { |
402 | } |
408 | } |
403 | 409 | ||
404 | static inline void drm_fb_helper_cfb_imageblit(struct fb_info *info, |
410 | static inline void drm_fb_helper_cfb_imageblit(struct fb_info *info, |
405 | const struct fb_image *image) |
411 | const struct fb_image *image) |
406 | { |
412 | { |
407 | } |
413 | } |
408 | 414 | ||
409 | static inline void drm_fb_helper_set_suspend(struct drm_fb_helper *fb_helper, |
415 | static inline void drm_fb_helper_set_suspend(struct drm_fb_helper *fb_helper, |
410 | int state) |
416 | int state) |
411 | { |
417 | { |
412 | } |
418 | } |
413 | 419 | ||
414 | static inline int drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper) |
420 | static inline int drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper) |
415 | { |
421 | { |
416 | return 0; |
422 | return 0; |
417 | } |
423 | } |
418 | 424 | ||
419 | static inline int drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, |
425 | static inline int drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, |
420 | int bpp_sel) |
426 | int bpp_sel) |
421 | { |
427 | { |
422 | return 0; |
428 | return 0; |
423 | } |
429 | } |
424 | 430 | ||
425 | static inline int |
431 | static inline int |
426 | drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper) |
432 | drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper) |
427 | { |
433 | { |
428 | return 0; |
434 | return 0; |
429 | } |
435 | } |
430 | 436 | ||
431 | static inline int drm_fb_helper_debug_enter(struct fb_info *info) |
437 | static inline int drm_fb_helper_debug_enter(struct fb_info *info) |
432 | { |
438 | { |
433 | return 0; |
439 | return 0; |
434 | } |
440 | } |
435 | 441 | ||
436 | static inline int drm_fb_helper_debug_leave(struct fb_info *info) |
442 | static inline int drm_fb_helper_debug_leave(struct fb_info *info) |
437 | { |
443 | { |
438 | return 0; |
444 | return 0; |
439 | } |
445 | } |
440 | 446 | ||
441 | static inline struct drm_display_mode * |
447 | static inline struct drm_display_mode * |
442 | drm_has_preferred_mode(struct drm_fb_helper_connector *fb_connector, |
448 | drm_has_preferred_mode(struct drm_fb_helper_connector *fb_connector, |
443 | int width, int height) |
449 | int width, int height) |
444 | { |
450 | { |
445 | return NULL; |
451 | return NULL; |
446 | } |
452 | } |
447 | 453 | ||
448 | static inline struct drm_display_mode * |
454 | static inline struct drm_display_mode * |
449 | drm_pick_cmdline_mode(struct drm_fb_helper_connector *fb_helper_conn, |
455 | drm_pick_cmdline_mode(struct drm_fb_helper_connector *fb_helper_conn, |
450 | int width, int height) |
456 | int width, int height) |
451 | { |
457 | { |
452 | return NULL; |
458 | return NULL; |
453 | } |
459 | } |
454 | 460 | ||
455 | static inline int |
461 | static inline int |
456 | drm_fb_helper_add_one_connector(struct drm_fb_helper *fb_helper, |
462 | drm_fb_helper_add_one_connector(struct drm_fb_helper *fb_helper, |
457 | struct drm_connector *connector) |
463 | struct drm_connector *connector) |
458 | { |
464 | { |
459 | return 0; |
465 | return 0; |
460 | } |
466 | } |
461 | 467 | ||
462 | static inline int |
468 | static inline int |
463 | drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper, |
469 | drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper, |
464 | struct drm_connector *connector) |
470 | struct drm_connector *connector) |
465 | { |
471 | { |
466 | return 0; |
472 | return 0; |
467 | } |
473 | } |
468 | #endif |
474 | #endif |
469 | #endif |
475 | #endif |