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gerrit-public.fairphone.software / kernel / msm / c4c4e2a58996d774429ded2fe386e88b47a10e98 / . / include / drm / drm_fb_helper.h
blob: 4aa5740ce59f1c0808cc32595a32997aa20df049 [file] [log] [blame]
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]1/*
2 * Copyright (c) 2006-2009 Red Hat Inc.
3 * Copyright (c) 2006-2008 Intel Corporation
4 * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
5 *
6 * DRM framebuffer helper functions
7 *
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.
17 *
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
24 * OF THIS SOFTWARE.
25 *
26 * Authors:
27 * Dave Airlie <airlied@linux.ie>
28 * Jesse Barnes <jesse.barnes@intel.com>
29 */
30#ifndef DRM_FB_HELPER_H
31#define DRM_FB_HELPER_H
32
33struct drm_fb_helper_crtc {
34 uint32_t crtc_id;
35 struct drm_mode_set mode_set;
36};
37
Dave Airlied50ba252009-09-23 14:44:08 +1000[diff] [blame]38
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]39struct drm_fb_helper_funcs {
40 void (*gamma_set)(struct drm_crtc *crtc, u16 red, u16 green,
41 u16 blue, int regno);
42};
43
Dave Airlied50ba252009-09-23 14:44:08 +1000[diff] [blame]44/* mode specified on the command line */
45struct drm_fb_helper_cmdline_mode {
46 bool specified;
47 bool refresh_specified;
48 bool bpp_specified;
49 int xres, yres;
50 int bpp;
51 int refresh;
52 bool rb;
53 bool interlace;
54 bool cvt;
55 bool margins;
56};
57
58struct drm_fb_helper_connector {
59 struct drm_fb_helper_cmdline_mode cmdline_mode;
60};
61
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]62struct drm_fb_helper {
63 struct drm_framebuffer *fb;
64 struct drm_device *dev;
65 struct drm_display_mode *mode;
66 int crtc_count;
67 struct drm_fb_helper_crtc *crtc_info;
68 struct drm_fb_helper_funcs *funcs;
69 int conn_limit;
70 struct list_head kernel_fb_list;
71};
72
73int drm_fb_helper_single_fb_probe(struct drm_device *dev,
74 int (*fb_create)(struct drm_device *dev,
75 uint32_t fb_width,
76 uint32_t fb_height,
77 uint32_t surface_width,
78 uint32_t surface_height,
Dave Airlied50ba252009-09-23 14:44:08 +1000[diff] [blame]79 uint32_t surface_depth,
80 uint32_t surface_bpp,
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]81 struct drm_framebuffer **fb_ptr));
82int drm_fb_helper_init_crtc_count(struct drm_fb_helper *helper, int crtc_count,
83 int max_conn);
84void drm_fb_helper_free(struct drm_fb_helper *helper);
85int drm_fb_helper_blank(int blank, struct fb_info *info);
86int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,
87 struct fb_info *info);
88int drm_fb_helper_set_par(struct fb_info *info);
89int drm_fb_helper_check_var(struct fb_var_screeninfo *var,
90 struct fb_info *info);
91int drm_fb_helper_setcolreg(unsigned regno,
92 unsigned red,
93 unsigned green,
94 unsigned blue,
95 unsigned transp,
96 struct fb_info *info);
97
98void drm_fb_helper_restore(void);
99void drm_fb_helper_fill_var(struct fb_info *info, struct drm_framebuffer *fb,
100 uint32_t fb_width, uint32_t fb_height);
101void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch);
102
Dave Airlied50ba252009-09-23 14:44:08 +1000[diff] [blame]103int drm_fb_helper_add_connector(struct drm_connector *connector);
104int drm_fb_helper_parse_command_line(struct drm_device *dev);
105
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]106#endif