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gerrit-public.fairphone.software / kernel / msm / 8be48d924c307e72e3797ab5bde81b07a1ccc52d / . / include / drm / drm_fb_helper.h
blob: b1ea66f11dedf4b63dbbfa6afaf13508f8db5f2a [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;
Dave Airlie8be48d92010-03-30 05:34:14 +0000[diff] [blame^]36 struct drm_display_mode *desired_mode;
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]37};
38
Dave Airlied50ba252009-09-23 14:44:08 +1000[diff] [blame]39
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]40struct drm_fb_helper_funcs {
41 void (*gamma_set)(struct drm_crtc *crtc, u16 red, u16 green,
42 u16 blue, int regno);
Dave Airlieb8c00ac2009-10-06 13:54:01 +1000[diff] [blame]43 void (*gamma_get)(struct drm_crtc *crtc, u16 *red, u16 *green,
44 u16 *blue, int regno);
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]45};
46
Dave Airlied50ba252009-09-23 14:44:08 +1000[diff] [blame]47/* mode specified on the command line */
48struct drm_fb_helper_cmdline_mode {
49 bool specified;
50 bool refresh_specified;
51 bool bpp_specified;
52 int xres, yres;
53 int bpp;
54 int refresh;
55 bool rb;
56 bool interlace;
57 bool cvt;
58 bool margins;
59};
60
Dave Airlie38651672010-03-30 05:34:13 +0000[diff] [blame]61struct drm_fb_helper_surface_size {
62 u32 fb_width;
63 u32 fb_height;
64 u32 surface_width;
65 u32 surface_height;
66 u32 surface_bpp;
67 u32 surface_depth;
68};
69
Dave Airlied50ba252009-09-23 14:44:08 +1000[diff] [blame]70struct drm_fb_helper_connector {
71 struct drm_fb_helper_cmdline_mode cmdline_mode;
72};
73
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]74struct drm_fb_helper {
75 struct drm_framebuffer *fb;
76 struct drm_device *dev;
77 struct drm_display_mode *mode;
78 int crtc_count;
79 struct drm_fb_helper_crtc *crtc_info;
80 struct drm_fb_helper_funcs *funcs;
81 int conn_limit;
Dave Airlie38651672010-03-30 05:34:13 +0000[diff] [blame]82 struct fb_info *fbdev;
83 u32 pseudo_palette[17];
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]84 struct list_head kernel_fb_list;
Dave Airlie8be48d92010-03-30 05:34:14 +0000[diff] [blame^]85
86 int (*fb_probe)(struct drm_fb_helper *helper,
87 struct drm_fb_helper_surface_size *sizes);
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]88};
89
Dave Airlie8be48d92010-03-30 05:34:14 +0000[diff] [blame^]90int drm_fb_helper_single_fb_probe(struct drm_fb_helper *helper,
91 int preferred_bpp);
92
93int drm_fb_helper_init_crtc_count(struct drm_device *dev,
94 struct drm_fb_helper *helper, int crtc_count,
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]95 int max_conn);
96void drm_fb_helper_free(struct drm_fb_helper *helper);
97int drm_fb_helper_blank(int blank, struct fb_info *info);
98int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,
99 struct fb_info *info);
100int drm_fb_helper_set_par(struct fb_info *info);
101int drm_fb_helper_check_var(struct fb_var_screeninfo *var,
102 struct fb_info *info);
103int drm_fb_helper_setcolreg(unsigned regno,
104 unsigned red,
105 unsigned green,
106 unsigned blue,
107 unsigned transp,
108 struct fb_info *info);
109
110void drm_fb_helper_restore(void);
Dave Airlie38651672010-03-30 05:34:13 +0000[diff] [blame]111void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helper,
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]112 uint32_t fb_width, uint32_t fb_height);
Dave Airlie068143d2009-10-05 09:58:02 +1000[diff] [blame]113void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
114 uint32_t depth);
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]115
Dave Airlied50ba252009-09-23 14:44:08 +1000[diff] [blame]116int drm_fb_helper_add_connector(struct drm_connector *connector);
117int drm_fb_helper_parse_command_line(struct drm_device *dev);
Dave Airlie068143d2009-10-05 09:58:02 +1000[diff] [blame]118int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info);
Dave Airlied50ba252009-09-23 14:44:08 +1000[diff] [blame]119
Dave Airlie8be48d92010-03-30 05:34:14 +0000[diff] [blame^]120bool drm_helper_fb_hotplug_event(struct drm_fb_helper *fb_helper, u32 max_width,
121 u32 max_height);
122bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper);
123
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]124#endif