/* * 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); void (*gamma_get)(struct drm_crtc *crtc, u16 *red, u16 *green, u16 *blue, int regno); }; /* mode specified on the command line */ struct drm_fb_helper_cmdline_mode { bool specified; bool refresh_specified; bool bpp_specified; int xres, yres; int bpp; int refresh; bool rb; bool interlace; bool cvt; bool margins; }; struct drm_fb_helper_connector { struct drm_fb_helper_cmdline_mode cmdline_mode; }; 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 preferred_bpp, int (*fb_create)(struct drm_device *dev, uint32_t fb_width, uint32_t fb_height, uint32_t surface_width, uint32_t surface_height, uint32_t surface_depth, uint32_t surface_bpp, 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, uint32_t depth); int drm_fb_helper_add_connector(struct drm_connector *connector); int drm_fb_helper_parse_command_line(struct drm_device *dev); int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info); #endif