diff options
Diffstat (limited to 'include/drm/drm_fb_helper.h')
| -rw-r--r-- | include/drm/drm_fb_helper.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h new file mode 100644 index 00000000000..88fffbdfa26 --- /dev/null +++ b/include/drm/drm_fb_helper.h @@ -0,0 +1,82 @@ +/* + * Copyright (c) 2006-2009 Red Hat Inc. + * Copyright (c) 2006-2008 Intel Corporation + * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> + * + * DRM framebuffer helper functions + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + * + * Authors: + * Dave Airlie <airlied@linux.ie> + * Jesse Barnes <jesse.barnes@intel.com> + */ +#ifndef DRM_FB_HELPER_H +#define DRM_FB_HELPER_H + +struct drm_fb_helper_crtc { + uint32_t crtc_id; + struct drm_mode_set mode_set; +}; + +struct drm_fb_helper_funcs { + void (*gamma_set)(struct drm_crtc *crtc, u16 red, u16 green, + u16 blue, int regno); +}; + +struct drm_fb_helper { + struct drm_framebuffer *fb; + struct drm_device *dev; + struct drm_display_mode *mode; + int crtc_count; + struct drm_fb_helper_crtc *crtc_info; + struct drm_fb_helper_funcs *funcs; + int conn_limit; + struct list_head kernel_fb_list; +}; + +int drm_fb_helper_single_fb_probe(struct drm_device *dev, + int (*fb_create)(struct drm_device *dev, + uint32_t fb_width, + uint32_t fb_height, + uint32_t surface_width, + uint32_t surface_height, + struct drm_framebuffer **fb_ptr)); +int drm_fb_helper_init_crtc_count(struct drm_fb_helper *helper, int crtc_count, + int max_conn); +void drm_fb_helper_free(struct drm_fb_helper *helper); +int drm_fb_helper_blank(int blank, struct fb_info *info); +int drm_fb_helper_pan_display(struct fb_var_screeninfo *var, + struct fb_info *info); +int drm_fb_helper_set_par(struct fb_info *info); +int drm_fb_helper_check_var(struct fb_var_screeninfo *var, + struct fb_info *info); +int drm_fb_helper_setcolreg(unsigned regno, + unsigned red, + unsigned green, + unsigned blue, + unsigned transp, + struct fb_info *info); + +void drm_fb_helper_restore(void); +void drm_fb_helper_fill_var(struct fb_info *info, struct drm_framebuffer *fb, + uint32_t fb_width, uint32_t fb_height); +void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch); + +#endif |