| /* |
| * 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_display_mode *desired_mode; |
| }; |
| |
| |
| 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_surface_size { |
| u32 fb_width; |
| u32 fb_height; |
| u32 surface_width; |
| u32 surface_height; |
| u32 surface_bpp; |
| u32 surface_depth; |
| }; |
| |
| struct drm_fb_helper_connector { |
| struct drm_fb_helper_cmdline_mode cmdline_mode; |
| struct drm_connector *connector; |
| }; |
| |
| 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; |
| int connector_count; |
| struct drm_fb_helper_connector **connector_info; |
| struct drm_fb_helper_funcs *funcs; |
| int conn_limit; |
| struct fb_info *fbdev; |
| u32 pseudo_palette[17]; |
| struct list_head kernel_fb_list; |
| |
| int (*fb_probe)(struct drm_fb_helper *helper, |
| struct drm_fb_helper_surface_size *sizes); |
| }; |
| |
| int drm_fb_helper_single_fb_probe(struct drm_fb_helper *helper, |
| int preferred_bpp); |
| |
| int drm_fb_helper_init_crtc_count(struct drm_device *dev, |
| 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_fb_helper *fb_helper, |
| 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_setcmap(struct fb_cmap *cmap, struct fb_info *info); |
| |
| bool drm_helper_fb_hotplug_event(struct drm_fb_helper *fb_helper, u32 max_width, |
| u32 max_height); |
| bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper); |
| int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper); |
| |
| #endif |