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gerrit-public.fairphone.software / kernel / msm / d219adc1228a3887486b58a430e736b0831f192c / . / include / drm / drm_fb_helper.h
blob: f0a6afc47e761a9aba1507d16a7d80feab95e741 [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
Dave Airlie4abe3522010-03-30 05:34:18 +0000[diff] [blame]33struct drm_fb_helper;
34
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]35struct drm_fb_helper_crtc {
36 uint32_t crtc_id;
37 struct drm_mode_set mode_set;
Dave Airlie8be48d92010-03-30 05:34:14 +0000[diff] [blame]38 struct drm_display_mode *desired_mode;
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]39};
40
Dave Airlied50ba252009-09-23 14:44:08 +1000[diff] [blame]41/* mode specified on the command line */
42struct drm_fb_helper_cmdline_mode {
43 bool specified;
44 bool refresh_specified;
45 bool bpp_specified;
46 int xres, yres;
47 int bpp;
48 int refresh;
49 bool rb;
50 bool interlace;
51 bool cvt;
52 bool margins;
53};
54
Dave Airlie38651672010-03-30 05:34:13 +0000[diff] [blame]55struct drm_fb_helper_surface_size {
56 u32 fb_width;
57 u32 fb_height;
58 u32 surface_width;
59 u32 surface_height;
60 u32 surface_bpp;
61 u32 surface_depth;
62};
63
Dave Airlie4abe3522010-03-30 05:34:18 +0000[diff] [blame]64struct drm_fb_helper_funcs {
65 void (*gamma_set)(struct drm_crtc *crtc, u16 red, u16 green,
66 u16 blue, int regno);
67 void (*gamma_get)(struct drm_crtc *crtc, u16 *red, u16 *green,
68 u16 *blue, int regno);
69
70 int (*fb_probe)(struct drm_fb_helper *helper,
71 struct drm_fb_helper_surface_size *sizes);
Dave Airlie4abe3522010-03-30 05:34:18 +0000[diff] [blame]72};
73
Dave Airlied50ba252009-09-23 14:44:08 +1000[diff] [blame]74struct drm_fb_helper_connector {
75 struct drm_fb_helper_cmdline_mode cmdline_mode;
Dave Airlie0b4c0f32010-03-30 05:34:15 +0000[diff] [blame]76 struct drm_connector *connector;
Dave Airlied50ba252009-09-23 14:44:08 +1000[diff] [blame]77};
78
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]79struct drm_fb_helper {
80 struct drm_framebuffer *fb;
81 struct drm_device *dev;
82 struct drm_display_mode *mode;
83 int crtc_count;
84 struct drm_fb_helper_crtc *crtc_info;
Dave Airlie0b4c0f32010-03-30 05:34:15 +0000[diff] [blame]85 int connector_count;
86 struct drm_fb_helper_connector **connector_info;
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]87 struct drm_fb_helper_funcs *funcs;
88 int conn_limit;
Dave Airlie38651672010-03-30 05:34:13 +0000[diff] [blame]89 struct fb_info *fbdev;
90 u32 pseudo_palette[17];
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]91 struct list_head kernel_fb_list;
Dave Airlie8be48d92010-03-30 05:34:14 +0000[diff] [blame]92
Dave Airlie4abe3522010-03-30 05:34:18 +0000[diff] [blame]93 /* we got a hotplug but fbdev wasn't running the console
94 delay until next set_par */
95 bool delayed_hotplug;
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]96};
97
Dave Airlie8be48d92010-03-30 05:34:14 +0000[diff] [blame]98int drm_fb_helper_single_fb_probe(struct drm_fb_helper *helper,
99 int preferred_bpp);
100
Dave Airlie4abe3522010-03-30 05:34:18 +0000[diff] [blame]101int drm_fb_helper_init(struct drm_device *dev,
102 struct drm_fb_helper *helper, int crtc_count,
Dave Airlieeb1f8e42010-05-07 06:42:51 +0000[diff] [blame]103 int max_conn);
Dave Airlie4abe3522010-03-30 05:34:18 +0000[diff] [blame]104void drm_fb_helper_fini(struct drm_fb_helper *helper);
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]105int drm_fb_helper_blank(int blank, struct fb_info *info);
106int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,
107 struct fb_info *info);
108int drm_fb_helper_set_par(struct fb_info *info);
109int drm_fb_helper_check_var(struct fb_var_screeninfo *var,
110 struct fb_info *info);
111int drm_fb_helper_setcolreg(unsigned regno,
112 unsigned red,
113 unsigned green,
114 unsigned blue,
115 unsigned transp,
116 struct fb_info *info);
117
118void drm_fb_helper_restore(void);
Dave Airlie38651672010-03-30 05:34:13 +0000[diff] [blame]119void 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]120 uint32_t fb_width, uint32_t fb_height);
Dave Airlie068143d2009-10-05 09:58:02 +1000[diff] [blame]121void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
122 uint32_t depth);
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]123
Dave Airlie068143d2009-10-05 09:58:02 +1000[diff] [blame]124int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info);
Dave Airlied50ba252009-09-23 14:44:08 +1000[diff] [blame]125
Dave Airlieeb1f8e42010-05-07 06:42:51 +0000[diff] [blame]126bool drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper);
Dave Airlie4abe3522010-03-30 05:34:18 +0000[diff] [blame]127bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, int bpp_sel);
Dave Airlie0b4c0f32010-03-30 05:34:15 +0000[diff] [blame]128int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper);
Dave Airlie8be48d92010-03-30 05:34:14 +0000[diff] [blame]129
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]130#endif