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gerrit-public.fairphone.software / kernel / msm / 5c4426a782bc9509573fc7958a786ebd14fafdf3 / . / include / drm / drm_fb_helper.h
blob: a073d73c195e1bc0d016155bcabc8e835d56f199 [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 Airlie5c4426a2010-03-30 05:34:17 +0000[diff] [blame^]33#include <linux/slow-work.h>
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
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]42struct drm_fb_helper_funcs {
43 void (*gamma_set)(struct drm_crtc *crtc, u16 red, u16 green,
44 u16 blue, int regno);
Dave Airlieb8c00ac2009-10-06 13:54:01 +1000[diff] [blame]45 void (*gamma_get)(struct drm_crtc *crtc, u16 *red, u16 *green,
46 u16 *blue, int regno);
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]47};
48
Dave Airlied50ba252009-09-23 14:44:08 +1000[diff] [blame]49/* mode specified on the command line */
50struct drm_fb_helper_cmdline_mode {
51 bool specified;
52 bool refresh_specified;
53 bool bpp_specified;
54 int xres, yres;
55 int bpp;
56 int refresh;
57 bool rb;
58 bool interlace;
59 bool cvt;
60 bool margins;
61};
62
Dave Airlie38651672010-03-30 05:34:13 +0000[diff] [blame]63struct drm_fb_helper_surface_size {
64 u32 fb_width;
65 u32 fb_height;
66 u32 surface_width;
67 u32 surface_height;
68 u32 surface_bpp;
69 u32 surface_depth;
70};
71
Dave Airlied50ba252009-09-23 14:44:08 +1000[diff] [blame]72struct drm_fb_helper_connector {
73 struct drm_fb_helper_cmdline_mode cmdline_mode;
Dave Airlie0b4c0f32010-03-30 05:34:15 +0000[diff] [blame]74 struct drm_connector *connector;
Dave Airlied50ba252009-09-23 14:44:08 +1000[diff] [blame]75};
76
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]77struct drm_fb_helper {
78 struct drm_framebuffer *fb;
79 struct drm_device *dev;
80 struct drm_display_mode *mode;
81 int crtc_count;
82 struct drm_fb_helper_crtc *crtc_info;
Dave Airlie0b4c0f32010-03-30 05:34:15 +0000[diff] [blame]83 int connector_count;
84 struct drm_fb_helper_connector **connector_info;
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]85 struct drm_fb_helper_funcs *funcs;
86 int conn_limit;
Dave Airlie38651672010-03-30 05:34:13 +0000[diff] [blame]87 struct fb_info *fbdev;
88 u32 pseudo_palette[17];
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]89 struct list_head kernel_fb_list;
Dave Airlie8be48d92010-03-30 05:34:14 +0000[diff] [blame]90
Dave Airlie5c4426a2010-03-30 05:34:17 +0000[diff] [blame^]91 struct delayed_slow_work output_poll_slow_work;
92 bool poll_enabled;
Dave Airlie8be48d92010-03-30 05:34:14 +0000[diff] [blame]93 int (*fb_probe)(struct drm_fb_helper *helper,
94 struct drm_fb_helper_surface_size *sizes);
Dave Airlie5c4426a2010-03-30 05:34:17 +0000[diff] [blame^]95
96 void (*fb_poll_changed)(struct drm_fb_helper *helper);
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]97};
98
Dave Airlie8be48d92010-03-30 05:34:14 +0000[diff] [blame]99int drm_fb_helper_single_fb_probe(struct drm_fb_helper *helper,
100 int preferred_bpp);
101
102int drm_fb_helper_init_crtc_count(struct drm_device *dev,
103 struct drm_fb_helper *helper, int crtc_count,
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]104 int max_conn);
105void drm_fb_helper_free(struct drm_fb_helper *helper);
106int drm_fb_helper_blank(int blank, struct fb_info *info);
107int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,
108 struct fb_info *info);
109int drm_fb_helper_set_par(struct fb_info *info);
110int drm_fb_helper_check_var(struct fb_var_screeninfo *var,
111 struct fb_info *info);
112int drm_fb_helper_setcolreg(unsigned regno,
113 unsigned red,
114 unsigned green,
115 unsigned blue,
116 unsigned transp,
117 struct fb_info *info);
118
119void drm_fb_helper_restore(void);
Dave Airlie38651672010-03-30 05:34:13 +0000[diff] [blame]120void 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]121 uint32_t fb_width, uint32_t fb_height);
Dave Airlie068143d2009-10-05 09:58:02 +1000[diff] [blame]122void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
123 uint32_t depth);
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]124
Dave Airlie068143d2009-10-05 09:58:02 +1000[diff] [blame]125int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info);
Dave Airlied50ba252009-09-23 14:44:08 +1000[diff] [blame]126
Dave Airlie5c4426a2010-03-30 05:34:17 +0000[diff] [blame^]127bool drm_helper_fb_hotplug_event(struct drm_fb_helper *fb_helper,
128 u32 max_width, u32 max_height, bool polled);
Dave Airlie8be48d92010-03-30 05:34:14 +0000[diff] [blame]129bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper);
Dave Airlie0b4c0f32010-03-30 05:34:15 +0000[diff] [blame]130int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper);
Dave Airlie8be48d92010-03-30 05:34:14 +0000[diff] [blame]131
Dave Airlie5c4426a2010-03-30 05:34:17 +0000[diff] [blame^]132void drm_fb_helper_poll_init(struct drm_fb_helper *fb_helper);
133void drm_fb_helper_poll_fini(struct drm_fb_helper *fb_helper);
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]134#endif