2 * uterm - Linux User-Space Terminal
4 * Copyright (c) 2011-2013 David Herrmann <dh.herrmann@googlemail.com>
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files
8 * (the "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sublicense, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
21 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 * DRM shared functions
35 #include <xf86drmMode.h>
37 #include "uterm_drm_shared_internal.h"
38 #include "uterm_video.h"
39 #include "uterm_video_internal.h"
41 #define LOG_SUBSYSTEM "drm_shared"
43 int uterm_drm_mode_init(struct uterm_mode *mode)
45 struct uterm_drm_mode *m;
47 m = malloc(sizeof(*m));
50 memset(m, 0, sizeof(*m));
56 void uterm_drm_mode_destroy(struct uterm_mode *mode)
61 const char *uterm_drm_mode_get_name(const struct uterm_mode *mode)
63 struct uterm_drm_mode *m = mode->data;
68 unsigned int uterm_drm_mode_get_width(const struct uterm_mode *mode)
70 struct uterm_drm_mode *m = mode->data;
72 return m->info.hdisplay;
75 unsigned int uterm_drm_mode_get_height(const struct uterm_mode *mode)
77 struct uterm_drm_mode *m = mode->data;
79 return m->info.vdisplay;
82 void uterm_drm_mode_set(struct uterm_mode *mode, drmModeModeInfo *info)
84 struct uterm_drm_mode *m = mode->data;
89 const struct mode_ops uterm_drm_mode_ops = {
90 .init = uterm_drm_mode_init,
91 .destroy = uterm_drm_mode_destroy,
92 .get_name = uterm_drm_mode_get_name,
93 .get_width = uterm_drm_mode_get_width,
94 .get_height = uterm_drm_mode_get_height,
97 int uterm_drm_set_dpms(int fd, uint32_t conn_id, int state)
100 drmModeConnector *conn;
101 drmModePropertyRes *prop;
105 set = DRM_MODE_DPMS_ON;
107 case UTERM_DPMS_STANDBY:
108 set = DRM_MODE_DPMS_STANDBY;
110 case UTERM_DPMS_SUSPEND:
111 set = DRM_MODE_DPMS_SUSPEND;
114 set = DRM_MODE_DPMS_OFF;
120 conn = drmModeGetConnector(fd, conn_id);
122 log_err("cannot get display connector");
127 for (i = 0; i < conn->count_props; ++i) {
128 prop = drmModeGetProperty(fd, conn->props[i]);
130 log_error("cannot get DRM property (%d): %m", errno);
134 if (!strcmp(prop->name, "DPMS")) {
135 ret = drmModeConnectorSetProperty(fd, conn_id,
138 log_info("cannot set DPMS");
141 drmModeFreeProperty(prop);
144 drmModeFreeProperty(prop);
147 if (i == conn->count_props) {
148 log_warn("display does not support DPMS");
149 ret = UTERM_DPMS_UNKNOWN;
152 drmModeFreeConnector(conn);
156 int uterm_drm_get_dpms(int fd, drmModeConnector *conn)
159 drmModePropertyRes *prop;
161 for (i = 0; i < conn->count_props; ++i) {
162 prop = drmModeGetProperty(fd, conn->props[i]);
164 log_error("cannot get DRM property (%d): %m", errno);
168 if (!strcmp(prop->name, "DPMS")) {
169 switch (conn->prop_values[i]) {
170 case DRM_MODE_DPMS_ON:
173 case DRM_MODE_DPMS_STANDBY:
174 ret = UTERM_DPMS_STANDBY;
176 case DRM_MODE_DPMS_SUSPEND:
177 ret = UTERM_DPMS_SUSPEND;
179 case DRM_MODE_DPMS_OFF:
181 ret = UTERM_DPMS_OFF;
184 drmModeFreeProperty(prop);
187 drmModeFreeProperty(prop);
190 if (i == conn->count_props)
191 log_warn("display does not support DPMS");
192 return UTERM_DPMS_UNKNOWN;