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| Rev | Author | Line No. | Line |
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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 | |||
| 33 | struct drm_fb_helper_crtc { |
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| 34 | uint32_t crtc_id; |
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| 35 | struct drm_mode_set mode_set; |
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| 36 | }; |
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| 37 | |||
| 38 | |||
| 39 | struct drm_fb_helper_funcs { |
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| 40 | void (*gamma_set)(struct drm_crtc *crtc, u16 red, u16 green, |
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| 41 | u16 blue, int regno); |
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| 42 | void (*gamma_get)(struct drm_crtc *crtc, u16 *red, u16 *green, |
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| 43 | u16 *blue, int regno); |
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| 44 | }; |
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| 45 | |||
| 46 | /* mode specified on the command line */ |
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| 47 | struct drm_fb_helper_cmdline_mode { |
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| 48 | bool specified; |
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| 49 | bool refresh_specified; |
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| 50 | bool bpp_specified; |
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| 51 | int xres, yres; |
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| 52 | int bpp; |
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| 53 | int refresh; |
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| 54 | bool rb; |
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| 55 | bool interlace; |
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| 56 | bool cvt; |
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| 57 | bool margins; |
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| 58 | }; |
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| 59 | |||
| 60 | struct drm_fb_helper_connector { |
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| 61 | struct drm_fb_helper_cmdline_mode cmdline_mode; |
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| 62 | }; |
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| 63 | |||
| 64 | struct drm_fb_helper { |
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| 65 | struct drm_framebuffer *fb; |
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| 66 | struct drm_device *dev; |
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| 67 | struct drm_display_mode *mode; |
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| 68 | int crtc_count; |
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| 69 | struct drm_fb_helper_crtc *crtc_info; |
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| 70 | struct drm_fb_helper_funcs *funcs; |
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| 71 | int conn_limit; |
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| 72 | struct list_head kernel_fb_list; |
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| 73 | }; |
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| 74 | |||
| 75 | int drm_fb_helper_single_fb_probe(struct drm_device *dev, |
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| 76 | int preferred_bpp, |
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| 77 | int (*fb_create)(struct drm_device *dev, |
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| 78 | uint32_t fb_width, |
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| 79 | uint32_t fb_height, |
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| 80 | uint32_t surface_width, |
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| 81 | uint32_t surface_height, |
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| 82 | uint32_t surface_depth, |
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| 83 | uint32_t surface_bpp, |
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| 84 | struct drm_framebuffer **fb_ptr)); |
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| 85 | int drm_fb_helper_init_crtc_count(struct drm_fb_helper *helper, int crtc_count, |
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| 86 | int max_conn); |
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| 87 | void drm_fb_helper_free(struct drm_fb_helper *helper); |
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| 88 | int drm_fb_helper_blank(int blank, struct fb_info *info); |
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| 89 | int drm_fb_helper_pan_display(struct fb_var_screeninfo *var, |
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| 90 | struct fb_info *info); |
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| 91 | int drm_fb_helper_set_par(struct fb_info *info); |
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| 92 | int drm_fb_helper_check_var(struct fb_var_screeninfo *var, |
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| 93 | struct fb_info *info); |
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| 94 | int drm_fb_helper_setcolreg(unsigned regno, |
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| 95 | unsigned red, |
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| 96 | unsigned green, |
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| 97 | unsigned blue, |
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| 98 | unsigned transp, |
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| 99 | struct fb_info *info); |
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| 100 | |||
| 101 | void drm_fb_helper_restore(void); |
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| 102 | void drm_fb_helper_fill_var(struct fb_info *info, struct drm_framebuffer *fb, |
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| 103 | uint32_t fb_width, uint32_t fb_height); |
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| 104 | void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch, |
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| 105 | uint32_t depth); |
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| 106 | |||
| 107 | int drm_fb_helper_add_connector(struct drm_connector *connector); |
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| 108 | int drm_fb_helper_parse_command_line(struct drm_device *dev); |
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| 109 | int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info); |
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| 110 | |||
| 111 | #endif |