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1408 | serge | 1 | /* |
2 | * Copyright (c) 2006-2009 Red Hat Inc. |
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3 | * Copyright (c) 2006-2008 Intel Corporation |
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4 | * Copyright (c) 2007 Dave Airlie |
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5 | * |
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6 | * DRM framebuffer helper functions |
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7 | * |
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8 | * Permission to use, copy, modify, distribute, and sell this software and its |
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9 | * documentation for any purpose is hereby granted without fee, provided that |
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10 | * the above copyright notice appear in all copies and that both that copyright |
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11 | * notice and this permission notice appear in supporting documentation, and |
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12 | * that the name of the copyright holders not be used in advertising or |
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13 | * publicity pertaining to distribution of the software without specific, |
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14 | * written prior permission. The copyright holders make no representations |
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15 | * about the suitability of this software for any purpose. It is provided "as |
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16 | * is" without express or implied warranty. |
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17 | * |
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18 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
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19 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
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20 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
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21 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
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22 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
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23 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
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24 | * OF THIS SOFTWARE. |
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25 | * |
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26 | * Authors: |
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27 | * Dave Airlie |
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28 | * Jesse Barnes |
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29 | */ |
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30 | #ifndef DRM_FB_HELPER_H |
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31 | #define DRM_FB_HELPER_H |
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32 | |||
1964 | serge | 33 | struct drm_fb_helper; |
34 | |||
35 | |||
1408 | serge | 36 | struct drm_fb_helper_crtc { |
37 | uint32_t crtc_id; |
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38 | struct drm_mode_set mode_set; |
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1964 | serge | 39 | struct drm_display_mode *desired_mode; |
1408 | serge | 40 | }; |
41 | |||
1964 | serge | 42 | struct drm_fb_helper_surface_size { |
43 | u32 fb_width; |
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44 | u32 fb_height; |
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45 | u32 surface_width; |
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46 | u32 surface_height; |
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47 | u32 surface_bpp; |
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48 | u32 surface_depth; |
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49 | }; |
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1408 | serge | 50 | |
51 | struct drm_fb_helper_funcs { |
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52 | void (*gamma_set)(struct drm_crtc *crtc, u16 red, u16 green, |
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53 | u16 blue, int regno); |
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54 | void (*gamma_get)(struct drm_crtc *crtc, u16 *red, u16 *green, |
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55 | u16 *blue, int regno); |
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56 | |||
1964 | serge | 57 | int (*fb_probe)(struct drm_fb_helper *helper, |
58 | struct drm_fb_helper_surface_size *sizes); |
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1408 | serge | 59 | }; |
60 | |||
61 | struct drm_fb_helper_connector { |
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1964 | serge | 62 | struct drm_connector *connector; |
63 | struct drm_cmdline_mode cmdline_mode; |
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1408 | serge | 64 | }; |
65 | |||
66 | struct drm_fb_helper { |
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67 | struct drm_framebuffer *fb; |
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1964 | serge | 68 | struct drm_framebuffer *saved_fb; |
1408 | serge | 69 | struct drm_device *dev; |
70 | struct drm_display_mode *mode; |
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71 | int crtc_count; |
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72 | struct drm_fb_helper_crtc *crtc_info; |
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1964 | serge | 73 | int connector_count; |
74 | struct drm_fb_helper_connector **connector_info; |
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1408 | serge | 75 | struct drm_fb_helper_funcs *funcs; |
76 | int conn_limit; |
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1964 | serge | 77 | struct fb_info *fbdev; |
78 | u32 pseudo_palette[17]; |
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1408 | serge | 79 | struct list_head kernel_fb_list; |
1964 | serge | 80 | |
81 | /* we got a hotplug but fbdev wasn't running the console |
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82 | delay until next set_par */ |
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83 | bool delayed_hotplug; |
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1408 | serge | 84 | }; |
85 | |||
1964 | serge | 86 | int drm_fb_helper_single_fb_probe(struct drm_fb_helper *helper, |
87 | int preferred_bpp); |
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88 | |||
89 | int drm_fb_helper_init(struct drm_device *dev, |
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90 | struct drm_fb_helper *helper, int crtc_count, |
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1408 | serge | 91 | int max_conn); |
1964 | serge | 92 | void drm_fb_helper_fini(struct drm_fb_helper *helper); |
1408 | serge | 93 | int drm_fb_helper_blank(int blank, struct fb_info *info); |
94 | int drm_fb_helper_pan_display(struct fb_var_screeninfo *var, |
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95 | struct fb_info *info); |
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96 | int drm_fb_helper_set_par(struct fb_info *info); |
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97 | int drm_fb_helper_check_var(struct fb_var_screeninfo *var, |
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98 | struct fb_info *info); |
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99 | int drm_fb_helper_setcolreg(unsigned regno, |
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100 | unsigned red, |
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101 | unsigned green, |
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102 | unsigned blue, |
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103 | unsigned transp, |
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104 | struct fb_info *info); |
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105 | |||
1964 | serge | 106 | bool drm_fb_helper_restore_fbdev_mode(struct drm_fb_helper *fb_helper); |
1408 | serge | 107 | void drm_fb_helper_restore(void); |
1964 | serge | 108 | void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helper, |
1408 | serge | 109 | uint32_t fb_width, uint32_t fb_height); |
110 | void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch, |
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111 | uint32_t depth); |
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112 | |||
113 | int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info); |
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114 | |||
1964 | serge | 115 | int drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper); |
116 | bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, int bpp_sel); |
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117 | int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper); |
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118 | int drm_fb_helper_debug_enter(struct fb_info *info); |
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119 | int drm_fb_helper_debug_leave(struct fb_info *info); |
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120 | |||
1408 | serge | 121 | #endif |