Gitiles
Code Review Sign In
gerrit-public.fairphone.software / kernel / msm-4.9 / 9fb4b7cc0724f178d4b24a2a566ea1e7cb120b82 / . / include / drm / drm_fb_helper.h
blob: 6e3076ad646e99debaecdc315affe494b52f2f28 [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
Jesse Barnes1a7aba72010-08-05 09:22:31 -0500[diff] [blame]35#include <linux/kgdb.h>
36
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]37struct drm_fb_helper_crtc {
38 uint32_t crtc_id;
39 struct drm_mode_set mode_set;
Dave Airlie8be48d92010-03-30 05:34:14 +0000[diff] [blame]40 struct drm_display_mode *desired_mode;
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]41};
42
Dave Airlie38651672010-03-30 05:34:13 +0000[diff] [blame]43struct drm_fb_helper_surface_size {
44 u32 fb_width;
45 u32 fb_height;
46 u32 surface_width;
47 u32 surface_height;
48 u32 surface_bpp;
49 u32 surface_depth;
50};
51
Dave Airlie4abe3522010-03-30 05:34:18 +0000[diff] [blame]52struct drm_fb_helper_funcs {
53 void (*gamma_set)(struct drm_crtc *crtc, u16 red, u16 green,
54 u16 blue, int regno);
55 void (*gamma_get)(struct drm_crtc *crtc, u16 *red, u16 *green,
56 u16 *blue, int regno);
57
58 int (*fb_probe)(struct drm_fb_helper *helper,
59 struct drm_fb_helper_surface_size *sizes);
Dave Airlie4abe3522010-03-30 05:34:18 +0000[diff] [blame]60};
61
Dave Airlied50ba252009-09-23 14:44:08 +1000[diff] [blame]62struct drm_fb_helper_connector {
Dave Airlie0b4c0f32010-03-30 05:34:15 +0000[diff] [blame]63 struct drm_connector *connector;
Chris Wilson1794d252011-04-17 07:43:32 +0100[diff] [blame]64 struct drm_cmdline_mode cmdline_mode;
Dave Airlied50ba252009-09-23 14:44:08 +1000[diff] [blame]65};
66
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]67struct drm_fb_helper {
68 struct drm_framebuffer *fb;
Jesse Barnes1a7aba72010-08-05 09:22:31 -0500[diff] [blame]69 struct drm_framebuffer *saved_fb;
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]70 struct drm_device *dev;
71 struct drm_display_mode *mode;
72 int crtc_count;
73 struct drm_fb_helper_crtc *crtc_info;
Dave Airlie0b4c0f32010-03-30 05:34:15 +0000[diff] [blame]74 int connector_count;
75 struct drm_fb_helper_connector **connector_info;
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]76 struct drm_fb_helper_funcs *funcs;
77 int conn_limit;
Dave Airlie38651672010-03-30 05:34:13 +0000[diff] [blame]78 struct fb_info *fbdev;
79 u32 pseudo_palette[17];
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]80 struct list_head kernel_fb_list;
Dave Airlie8be48d92010-03-30 05:34:14 +0000[diff] [blame]81
Dave Airlie4abe3522010-03-30 05:34:18 +0000[diff] [blame]82 /* we got a hotplug but fbdev wasn't running the console
83 delay until next set_par */
84 bool delayed_hotplug;
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]85};
86
Dave Airlie8be48d92010-03-30 05:34:14 +0000[diff] [blame]87int drm_fb_helper_single_fb_probe(struct drm_fb_helper *helper,
88 int preferred_bpp);
89
Dave Airlie4abe3522010-03-30 05:34:18 +0000[diff] [blame]90int drm_fb_helper_init(struct drm_device *dev,
91 struct drm_fb_helper *helper, int crtc_count,
Dave Airlieeb1f8e42010-05-07 06:42:51 +0000[diff] [blame]92 int max_conn);
Dave Airlie4abe3522010-03-30 05:34:18 +0000[diff] [blame]93void drm_fb_helper_fini(struct drm_fb_helper *helper);
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]94int drm_fb_helper_blank(int blank, struct fb_info *info);
95int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,
96 struct fb_info *info);
97int drm_fb_helper_set_par(struct fb_info *info);
98int drm_fb_helper_check_var(struct fb_var_screeninfo *var,
99 struct fb_info *info);
100int drm_fb_helper_setcolreg(unsigned regno,
101 unsigned red,
102 unsigned green,
103 unsigned blue,
104 unsigned transp,
105 struct fb_info *info);
106
Dave Airliee8e7a2b2011-04-21 22:18:32 +0100[diff] [blame]107bool drm_fb_helper_restore_fbdev_mode(struct drm_fb_helper *fb_helper);
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]108void drm_fb_helper_restore(void);
Dave Airlie38651672010-03-30 05:34:13 +0000[diff] [blame]109void 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]110 uint32_t fb_width, uint32_t fb_height);
Dave Airlie3632ef82011-01-15 09:27:00 +1000[diff] [blame]111void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
112 uint32_t depth);
113
Dave Airlie068143d2009-10-05 09:58:02 +1000[diff] [blame]114int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info);
Dave Airlied50ba252009-09-23 14:44:08 +1000[diff] [blame]115
Chris Wilson73943712011-04-22 11:03:57 +0100[diff] [blame]116int drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper);
Dave Airlie4abe3522010-03-30 05:34:18 +0000[diff] [blame]117bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, int bpp_sel);
Dave Airlie0b4c0f32010-03-30 05:34:15 +0000[diff] [blame]118int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper);
Jesse Barnes1a7aba72010-08-05 09:22:31 -0500[diff] [blame]119int drm_fb_helper_debug_enter(struct fb_info *info);
120int drm_fb_helper_debug_leave(struct fb_info *info);
Dave Airlie8be48d92010-03-30 05:34:14 +0000[diff] [blame]121
Dave Airlie785b93e2009-08-28 15:46:53 +1000[diff] [blame]122#endif