drm_fb_helper.h

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    1 /*
    2  * Copyright (c) 2006-2009 Red Hat Inc.
    3  * Copyright (c) 2006-2008 Intel Corporation
    4  * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
    5  *
    6  * DRM framebuffer helper functions
    7  *
    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
   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
   12  * that the name of the copyright holders not be used in advertising or
   13  * publicity pertaining to distribution of the software without specific,
   14  * written prior permission.  The copyright holders make no representations
   15  * about the suitability of this software for any purpose.  It is provided "as
   16  * is" without express or implied warranty.
   17  *
   18  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
   19  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
   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,
   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
   24  * OF THIS SOFTWARE.
   25  *
   26  * Authors:
   27  *      Dave Airlie <airlied@linux.ie>
   28  *      Jesse Barnes <jesse.barnes@intel.com>
   29  *
   30  * $FreeBSD$
   31  */
   32 #ifndef DRM_FB_HELPER_H
   33 #define DRM_FB_HELPER_H
   34 
   35 struct drm_fb_helper;
   36 
   37 struct drm_fb_helper_crtc {
   38         struct drm_mode_set mode_set;
   39         struct drm_display_mode *desired_mode;
   40 };
   41 
   42 struct drm_fb_helper_surface_size {
   43         u32 fb_width;
   44         u32 fb_height;
   45         u32 surface_width;
   46         u32 surface_height;
   47         u32 surface_bpp;
   48         u32 surface_depth;
   49 };
   50 
   51 struct drm_fb_helper_funcs {
   52         void (*gamma_set)(struct drm_crtc *crtc, u16 red, u16 green,
   53                           u16 blue, int regno);
   54         void (*gamma_get)(struct drm_crtc *crtc, u16 *red, u16 *green,
   55                           u16 *blue, int regno);
   56 
   57         int (*fb_probe)(struct drm_fb_helper *helper,
   58                         struct drm_fb_helper_surface_size *sizes);
   59 };
   60 
   61 struct drm_fb_helper_connector {
   62         struct drm_connector *connector;
   63         struct drm_cmdline_mode cmdline_mode;
   64 };
   65 
   66 struct drm_fb_helper {
   67         struct drm_framebuffer *fb;
   68         struct drm_framebuffer *saved_fb;
   69         struct drm_device *dev;
   70         struct drm_display_mode *mode;
   71         int crtc_count;
   72         struct drm_fb_helper_crtc *crtc_info;
   73         int connector_count;
   74         struct drm_fb_helper_connector **connector_info;
   75         struct drm_fb_helper_funcs *funcs;
   76         struct fb_info *fbdev;
   77         u32 pseudo_palette[17];
   78         struct list_head kernel_fb_list;
   79 
   80         /* we got a hotplug but fbdev wasn't running the console
   81            delay until next set_par */
   82         bool delayed_hotplug;
   83 };
   84 
   85 int drm_fb_helper_single_fb_probe(struct drm_fb_helper *helper,
   86                                   int preferred_bpp);
   87 
   88 int drm_fb_helper_init(struct drm_device *dev,
   89                        struct drm_fb_helper *helper, int crtc_count,
   90                        int max_conn);
   91 void drm_fb_helper_fini(struct drm_fb_helper *helper);
   92 int drm_fb_helper_blank(int blank, struct fb_info *info);
   93 #ifdef FREEBSD_NOTYET
   94 int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,
   95                               struct fb_info *info);
   96 #endif /* FREEBSD_NOTYET */
   97 int drm_fb_helper_set_par(struct fb_info *info);
   98 #ifdef FREEBSD_NOTYET
   99 int drm_fb_helper_check_var(struct fb_var_screeninfo *var,
  100                             struct fb_info *info);
  101 #endif /* FREEBSD_NOTYET */
  102 int drm_fb_helper_setcolreg(unsigned regno,
  103                             unsigned red,
  104                             unsigned green,
  105                             unsigned blue,
  106                             unsigned transp,
  107                             struct fb_info *info);
  108 
  109 bool drm_fb_helper_restore_fbdev_mode(struct drm_fb_helper *fb_helper);
  110 void drm_fb_helper_restore(void);
  111 void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helper,
  112                             uint32_t fb_width, uint32_t fb_height);
  113 void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
  114                             uint32_t depth);
  115 
  116 #ifdef FREEBSD_NOTYET
  117 int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info);
  118 #endif /* FREEBSD_NOTYET */
  119 
  120 int drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper);
  121 bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, int bpp_sel);
  122 int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper);
  123 int drm_fb_helper_debug_enter(struct fb_info *info);
  124 int drm_fb_helper_debug_leave(struct fb_info *info);
  125 
  126 #endif

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This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.

FreeBSD/Linux Kernel Cross Reference sys/dev/drm2/drm_fb_helper.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/drm2/drm_fb_helper.h