2 * Copyright (c) 2006-2009 Red Hat Inc.
3 * Copyright (c) 2006-2008 Intel Corporation
4 * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
6 * DRM framebuffer helper functions
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.
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
27 * Dave Airlie <airlied@linux.ie>
28 * Jesse Barnes <jesse.barnes@intel.com>
30 #ifndef DRM_FB_HELPER_H
31 #define DRM_FB_HELPER_H
33 struct drm_fb_helper_crtc
{
35 struct drm_mode_set mode_set
;
39 struct drm_fb_helper_funcs
{
40 void (*gamma_set
)(struct drm_crtc
*crtc
, u16 red
, u16 green
,
44 /* mode specified on the command line */
45 struct drm_fb_helper_cmdline_mode
{
47 bool refresh_specified
;
58 struct drm_fb_helper_connector
{
59 struct drm_fb_helper_cmdline_mode cmdline_mode
;
62 struct drm_fb_helper
{
63 struct drm_framebuffer
*fb
;
64 struct drm_device
*dev
;
65 struct drm_display_mode
*mode
;
67 struct drm_fb_helper_crtc
*crtc_info
;
68 struct drm_fb_helper_funcs
*funcs
;
70 struct list_head kernel_fb_list
;
73 int drm_fb_helper_single_fb_probe(struct drm_device
*dev
,
74 int (*fb_create
)(struct drm_device
*dev
,
77 uint32_t surface_width
,
78 uint32_t surface_height
,
79 uint32_t surface_depth
,
81 struct drm_framebuffer
**fb_ptr
));
82 int drm_fb_helper_init_crtc_count(struct drm_fb_helper
*helper
, int crtc_count
,
84 void drm_fb_helper_free(struct drm_fb_helper
*helper
);
85 int drm_fb_helper_blank(int blank
, struct fb_info
*info
);
86 int drm_fb_helper_pan_display(struct fb_var_screeninfo
*var
,
87 struct fb_info
*info
);
88 int drm_fb_helper_set_par(struct fb_info
*info
);
89 int drm_fb_helper_check_var(struct fb_var_screeninfo
*var
,
90 struct fb_info
*info
);
91 int drm_fb_helper_setcolreg(unsigned regno
,
96 struct fb_info
*info
);
98 void drm_fb_helper_restore(void);
99 void drm_fb_helper_fill_var(struct fb_info
*info
, struct drm_framebuffer
*fb
,
100 uint32_t fb_width
, uint32_t fb_height
);
101 void drm_fb_helper_fill_fix(struct fb_info
*info
, uint32_t pitch
);
103 int drm_fb_helper_add_connector(struct drm_connector
*connector
);
104 int drm_fb_helper_parse_command_line(struct drm_device
*dev
);