1785b93efSDave Airlie /* 2785b93efSDave Airlie * Copyright (c) 2006-2009 Red Hat Inc. 3785b93efSDave Airlie * Copyright (c) 2006-2008 Intel Corporation 4785b93efSDave Airlie * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> 5785b93efSDave Airlie * 6785b93efSDave Airlie * DRM framebuffer helper functions 7785b93efSDave Airlie * 8785b93efSDave Airlie * Permission to use, copy, modify, distribute, and sell this software and its 9785b93efSDave Airlie * documentation for any purpose is hereby granted without fee, provided that 10785b93efSDave Airlie * the above copyright notice appear in all copies and that both that copyright 11785b93efSDave Airlie * notice and this permission notice appear in supporting documentation, and 12785b93efSDave Airlie * that the name of the copyright holders not be used in advertising or 13785b93efSDave Airlie * publicity pertaining to distribution of the software without specific, 14785b93efSDave Airlie * written prior permission. The copyright holders make no representations 15785b93efSDave Airlie * about the suitability of this software for any purpose. It is provided "as 16785b93efSDave Airlie * is" without express or implied warranty. 17785b93efSDave Airlie * 18785b93efSDave Airlie * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, 19785b93efSDave Airlie * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO 20785b93efSDave Airlie * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR 21785b93efSDave Airlie * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, 22785b93efSDave Airlie * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 23785b93efSDave Airlie * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 24785b93efSDave Airlie * OF THIS SOFTWARE. 25785b93efSDave Airlie * 26785b93efSDave Airlie * Authors: 27785b93efSDave Airlie * Dave Airlie <airlied@linux.ie> 28785b93efSDave Airlie * Jesse Barnes <jesse.barnes@intel.com> 29785b93efSDave Airlie */ 30785b93efSDave Airlie #ifndef DRM_FB_HELPER_H 31785b93efSDave Airlie #define DRM_FB_HELPER_H 32785b93efSDave Airlie 334abe3520SDave Airlie struct drm_fb_helper; 344abe3520SDave Airlie 351a7aba7fSJesse Barnes #include <linux/kgdb.h> 361a7aba7fSJesse Barnes 37785b93efSDave Airlie struct drm_fb_helper_crtc { 38785b93efSDave Airlie uint32_t crtc_id; 39785b93efSDave Airlie struct drm_mode_set mode_set; 408be48d92SDave Airlie struct drm_display_mode *desired_mode; 41785b93efSDave Airlie }; 42785b93efSDave Airlie 43d50ba256SDave Airlie /* mode specified on the command line */ 44d50ba256SDave Airlie struct drm_fb_helper_cmdline_mode { 45d50ba256SDave Airlie bool specified; 46d50ba256SDave Airlie bool refresh_specified; 47d50ba256SDave Airlie bool bpp_specified; 48d50ba256SDave Airlie int xres, yres; 49d50ba256SDave Airlie int bpp; 50d50ba256SDave Airlie int refresh; 51d50ba256SDave Airlie bool rb; 52d50ba256SDave Airlie bool interlace; 53d50ba256SDave Airlie bool cvt; 54d50ba256SDave Airlie bool margins; 55d50ba256SDave Airlie }; 56d50ba256SDave Airlie 5738651674SDave Airlie struct drm_fb_helper_surface_size { 5838651674SDave Airlie u32 fb_width; 5938651674SDave Airlie u32 fb_height; 6038651674SDave Airlie u32 surface_width; 6138651674SDave Airlie u32 surface_height; 6238651674SDave Airlie u32 surface_bpp; 6338651674SDave Airlie u32 surface_depth; 6438651674SDave Airlie }; 6538651674SDave Airlie 664abe3520SDave Airlie struct drm_fb_helper_funcs { 674abe3520SDave Airlie void (*gamma_set)(struct drm_crtc *crtc, u16 red, u16 green, 684abe3520SDave Airlie u16 blue, int regno); 694abe3520SDave Airlie void (*gamma_get)(struct drm_crtc *crtc, u16 *red, u16 *green, 704abe3520SDave Airlie u16 *blue, int regno); 714abe3520SDave Airlie 724abe3520SDave Airlie int (*fb_probe)(struct drm_fb_helper *helper, 734abe3520SDave Airlie struct drm_fb_helper_surface_size *sizes); 744abe3520SDave Airlie }; 754abe3520SDave Airlie 76d50ba256SDave Airlie struct drm_fb_helper_connector { 77d50ba256SDave Airlie struct drm_fb_helper_cmdline_mode cmdline_mode; 780b4c0f3fSDave Airlie struct drm_connector *connector; 79d50ba256SDave Airlie }; 80d50ba256SDave Airlie 81785b93efSDave Airlie struct drm_fb_helper { 82785b93efSDave Airlie struct drm_framebuffer *fb; 831a7aba7fSJesse Barnes struct drm_framebuffer *saved_fb; 84785b93efSDave Airlie struct drm_device *dev; 85785b93efSDave Airlie struct drm_display_mode *mode; 86785b93efSDave Airlie int crtc_count; 87785b93efSDave Airlie struct drm_fb_helper_crtc *crtc_info; 880b4c0f3fSDave Airlie int connector_count; 890b4c0f3fSDave Airlie struct drm_fb_helper_connector **connector_info; 90785b93efSDave Airlie struct drm_fb_helper_funcs *funcs; 91785b93efSDave Airlie int conn_limit; 9238651674SDave Airlie struct fb_info *fbdev; 9338651674SDave Airlie u32 pseudo_palette[17]; 94785b93efSDave Airlie struct list_head kernel_fb_list; 958be48d92SDave Airlie 964abe3520SDave Airlie /* we got a hotplug but fbdev wasn't running the console 974abe3520SDave Airlie delay until next set_par */ 984abe3520SDave Airlie bool delayed_hotplug; 99785b93efSDave Airlie }; 100785b93efSDave Airlie 1018be48d92SDave Airlie int drm_fb_helper_single_fb_probe(struct drm_fb_helper *helper, 1028be48d92SDave Airlie int preferred_bpp); 1038be48d92SDave Airlie 1044abe3520SDave Airlie int drm_fb_helper_init(struct drm_device *dev, 1058be48d92SDave Airlie struct drm_fb_helper *helper, int crtc_count, 106eb1f8e4fSDave Airlie int max_conn); 1074abe3520SDave Airlie void drm_fb_helper_fini(struct drm_fb_helper *helper); 108785b93efSDave Airlie int drm_fb_helper_blank(int blank, struct fb_info *info); 109785b93efSDave Airlie int drm_fb_helper_pan_display(struct fb_var_screeninfo *var, 110785b93efSDave Airlie struct fb_info *info); 111785b93efSDave Airlie int drm_fb_helper_set_par(struct fb_info *info); 112785b93efSDave Airlie int drm_fb_helper_check_var(struct fb_var_screeninfo *var, 113785b93efSDave Airlie struct fb_info *info); 114785b93efSDave Airlie int drm_fb_helper_setcolreg(unsigned regno, 115785b93efSDave Airlie unsigned red, 116785b93efSDave Airlie unsigned green, 117785b93efSDave Airlie unsigned blue, 118785b93efSDave Airlie unsigned transp, 119785b93efSDave Airlie struct fb_info *info); 120785b93efSDave Airlie 121785b93efSDave Airlie void drm_fb_helper_restore(void); 12238651674SDave Airlie void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helper, 123785b93efSDave Airlie uint32_t fb_width, uint32_t fb_height); 1243632ef89SDave Airlie void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch, 1253632ef89SDave Airlie uint32_t depth); 1263632ef89SDave Airlie 127068143d3SDave Airlie int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info); 128d50ba256SDave Airlie 129eb1f8e4fSDave Airlie bool drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper); 1304abe3520SDave Airlie bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, int bpp_sel); 1310b4c0f3fSDave Airlie int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper); 1321a7aba7fSJesse Barnes int drm_fb_helper_debug_enter(struct fb_info *info); 1331a7aba7fSJesse Barnes int drm_fb_helper_debug_leave(struct fb_info *info); 1348be48d92SDave Airlie 135785b93efSDave Airlie #endif 136