projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 785b93ef DA |
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 | #ifndef DRM_FB_HELPER_H | |
| 31 | #define DRM_FB_HELPER_H | |
| 32 | ||
| 33 | struct drm_fb_helper_crtc { | |
| 34 | uint32_t crtc_id; | |
| 35 | struct drm_mode_set mode_set; | |
| 36 | }; | |
| 37 | ||
| 38 | struct drm_fb_helper_funcs { | |
| 39 | void (*gamma_set)(struct drm_crtc *crtc, u16 red, u16 green, | |
| 40 | u16 blue, int regno); | |
| 41 | }; | |
| 42 | ||
| 43 | struct drm_fb_helper { | |
| 44 | struct drm_framebuffer *fb; | |
| 45 | struct drm_device *dev; | |
| 46 | struct drm_display_mode *mode; | |
| 47 | int crtc_count; | |
| 48 | struct drm_fb_helper_crtc *crtc_info; | |
| 49 | struct drm_fb_helper_funcs *funcs; | |
| 50 | int conn_limit; | |
| 51 | struct list_head kernel_fb_list; | |
| 52 | }; | |
| 53 | ||
| 54 | int drm_fb_helper_single_fb_probe(struct drm_device *dev, | |
| 55 | int (*fb_create)(struct drm_device *dev, | |
| 56 | uint32_t fb_width, | |
| 57 | uint32_t fb_height, | |
| 58 | uint32_t surface_width, | |
| 59 | uint32_t surface_height, | |
| 60 | struct drm_framebuffer **fb_ptr)); | |
| 61 | int drm_fb_helper_init_crtc_count(struct drm_fb_helper *helper, int crtc_count, | |
| 62 | int max_conn); | |
| 63 | void drm_fb_helper_free(struct drm_fb_helper *helper); | |
| 64 | int drm_fb_helper_blank(int blank, struct fb_info *info); | |
| 65 | int drm_fb_helper_pan_display(struct fb_var_screeninfo *var, | |
| 66 | struct fb_info *info); | |
| 67 | int drm_fb_helper_set_par(struct fb_info *info); | |
| 68 | int drm_fb_helper_check_var(struct fb_var_screeninfo *var, | |
| 69 | struct fb_info *info); | |
| 70 | int drm_fb_helper_setcolreg(unsigned regno, | |
| 71 | unsigned red, | |
| 72 | unsigned green, | |
| 73 | unsigned blue, | |
| 74 | unsigned transp, | |
| 75 | struct fb_info *info); | |
| 76 | ||
| 77 | void drm_fb_helper_restore(void); | |
| 78 | void drm_fb_helper_fill_var(struct fb_info *info, struct drm_framebuffer *fb, | |
| 79 | uint32_t fb_width, uint32_t fb_height); | |
| 80 | void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch); | |
| 81 | ||
| 82 | #endif |