xorg_output.c revision b8843c60565094be311e3b31c0826a3035627a3e 
1/*
2 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sub license, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial portions
15 * of the Software.
16 *
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 NON-INFRINGEMENT.
20 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
21 * ANY 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.
24 *
25 *
26 * Author: Alan Hourihane <alanh@tungstengraphics.com>
27 * Author: Jakob Bornecrantz <wallbraker@gmail.com>
28 *
29 */
30
31#include "xorg-server.h"
32#include <xf86.h>
33#include <xf86i2c.h>
34#include <xf86Crtc.h>
35#include <errno.h>
36#include <fcntl.h>
37#include <unistd.h>
38#include <stdio.h>
39#include <stdlib.h>
40#include <stdint.h>
41#include <string.h>
42#include <sys/stat.h>
43#include <sys/types.h>
44
45#ifdef HAVE_XEXTPROTO_71
46#include <X11/extensions/dpmsconst.h>
47#else
48#define DPMS_SERVER
49#include <X11/extensions/dpms.h>
50#endif
51
52#include "X11/Xatom.h"
53
54#include "xorg_tracker.h"
55
56static char *connector_enum_list[] = {
57    "Unknown",
58    "VGA",
59    "DVI",
60    "DVI",
61    "DVI",
62    "Composite",
63    "SVIDEO",
64    "LVDS",
65    "CTV",
66    "DIN",
67    "DP",
68    "HDMI",
69    "HDMI",
70};
71
72static void
73dpms(xf86OutputPtr output, int mode)
74{
75}
76
77static void
78save(xf86OutputPtr output)
79{
80}
81
82static void
83restore(xf86OutputPtr output)
84{
85}
86
87static int
88mode_valid(xf86OutputPtr output, DisplayModePtr pMode)
89{
90    return MODE_OK;
91}
92
93static Bool
94mode_fixup(xf86OutputPtr output, DisplayModePtr mode,
95	   DisplayModePtr adjusted_mode)
96{
97    return TRUE;
98}
99
100static void
101prepare(xf86OutputPtr output)
102{
103    dpms(output, DPMSModeOff);
104}
105
106static void
107mode_set(xf86OutputPtr output, DisplayModePtr mode,
108	 DisplayModePtr adjusted_mode)
109{
110}
111
112static void
113commit(xf86OutputPtr output)
114{
115    dpms(output, DPMSModeOn);
116
117    if (output->scrn->pScreen != NULL)
118	xf86_reload_cursors(output->scrn->pScreen);
119}
120
121static xf86OutputStatus
122detect(xf86OutputPtr output)
123{
124    drmModeConnectorPtr drm_connector = output->driver_private;
125
126    switch (drm_connector->connection) {
127    case DRM_MODE_CONNECTED:
128	return XF86OutputStatusConnected;
129    case DRM_MODE_DISCONNECTED:
130	return XF86OutputStatusDisconnected;
131    default:
132	return XF86OutputStatusUnknown;
133    }
134}
135
136static DisplayModePtr
137get_modes(xf86OutputPtr output)
138{
139    drmModeConnectorPtr drm_connector = output->driver_private;
140    drmModeModeInfoPtr drm_mode = NULL;
141    DisplayModePtr modes = NULL, mode = NULL;
142    int i;
143
144    for (i = 0; i < drm_connector->count_modes; i++) {
145	drm_mode = &drm_connector->modes[i];
146	if (drm_mode) {
147	    mode = xcalloc(1, sizeof(DisplayModeRec));
148	    if (!mode)
149		continue;
150	    mode->type = 0;
151	    mode->Clock = drm_mode->clock;
152	    mode->HDisplay = drm_mode->hdisplay;
153	    mode->HSyncStart = drm_mode->hsync_start;
154	    mode->HSyncEnd = drm_mode->hsync_end;
155	    mode->HTotal = drm_mode->htotal;
156	    mode->VDisplay = drm_mode->vdisplay;
157	    mode->VSyncStart = drm_mode->vsync_start;
158	    mode->VSyncEnd = drm_mode->vsync_end;
159	    mode->VTotal = drm_mode->vtotal;
160	    mode->Flags = drm_mode->flags;
161	    mode->HSkew = drm_mode->hskew;
162	    mode->VScan = drm_mode->vscan;
163	    mode->VRefresh = xf86ModeVRefresh(mode);
164	    mode->Private = (void *)drm_mode;
165	    xf86SetModeDefaultName(mode);
166	    modes = xf86ModesAdd(modes, mode);
167	    xf86PrintModeline(0, mode);
168	}
169    }
170
171    return modes;
172}
173
174static void
175destroy(xf86OutputPtr output)
176{
177    drmModeFreeConnector(output->driver_private);
178}
179
180static void
181create_resources(xf86OutputPtr output)
182{
183#ifdef RANDR_12_INTERFACE
184#endif /* RANDR_12_INTERFACE */
185}
186
187#ifdef RANDR_12_INTERFACE
188static Bool
189set_property(xf86OutputPtr output, Atom property, RRPropertyValuePtr value)
190{
191    return TRUE;
192}
193#endif /* RANDR_12_INTERFACE */
194
195#ifdef RANDR_13_INTERFACE
196static Bool
197get_property(xf86OutputPtr output, Atom property)
198{
199    return TRUE;
200}
201#endif /* RANDR_13_INTERFACE */
202
203#ifdef RANDR_GET_CRTC_INTERFACE
204static xf86CrtcPtr
205get_crtc(xf86OutputPtr output)
206{
207    return NULL;
208}
209#endif
210
211static const xf86OutputFuncsRec output_funcs = {
212    .create_resources = create_resources,
213    .dpms = dpms,
214    .save = save,
215    .restore = restore,
216    .mode_valid = mode_valid,
217    .mode_fixup = mode_fixup,
218    .prepare = prepare,
219    .mode_set = mode_set,
220    .commit = commit,
221    .detect = detect,
222    .get_modes = get_modes,
223#ifdef RANDR_12_INTERFACE
224    .set_property = set_property,
225#endif
226#ifdef RANDR_13_INTERFACE
227    .get_property = get_property,
228#endif
229    .destroy = destroy,
230#ifdef RANDR_GET_CRTC_INTERFACE
231    .get_crtc = get_crtc,
232#endif
233};
234
235void
236output_init(ScrnInfoPtr pScrn)
237{
238    modesettingPtr ms = modesettingPTR(pScrn);
239    xf86OutputPtr output;
240    drmModeResPtr res;
241    drmModeConnectorPtr drm_connector = NULL;
242    drmModeEncoderPtr drm_encoder = NULL;
243    char name[32];
244    int c, v, p;
245
246    res = drmModeGetResources(ms->fd);
247    if (res == 0) {
248	DRV_ERROR("Failed drmModeGetResources\n");
249	return;
250    }
251
252    for (c = 0; c < res->count_connectors; c++) {
253	drm_connector = drmModeGetConnector(ms->fd, res->connectors[c]);
254	if (!drm_connector)
255	    goto out;
256
257#if 0
258	for (p = 0; p < drm_connector->count_props; p++) {
259	    drmModePropertyPtr prop;
260
261	    prop = drmModeGetProperty(ms->fd, drm_connector->props[p]);
262
263	    name = NULL;
264	    if (prop) {
265		ErrorF("VALUES %d\n", prop->count_values);
266
267		for (v = 0; v < prop->count_values; v++)
268		    ErrorF("%s %lld\n", prop->name, prop->values[v]);
269	    }
270	}
271#else
272	(void)p;
273	(void)v;
274#endif
275
276	snprintf(name, 32, "%s%d",
277		 connector_enum_list[drm_connector->connector_type],
278		 drm_connector->connector_type_id);
279
280
281	output = xf86OutputCreate(pScrn, &output_funcs, name);
282	if (!output)
283	    continue;
284
285	drm_encoder = drmModeGetEncoder(ms->fd, drm_connector->encoders[0]);
286	if (drm_encoder) {
287	    output->possible_crtcs = drm_encoder->possible_crtcs;
288	    output->possible_clones = drm_encoder->possible_clones;
289	} else {
290	    output->possible_crtcs = 0;
291	    output->possible_clones = 0;
292	}
293	output->driver_private = drm_connector;
294	output->subpixel_order = SubPixelHorizontalRGB;
295	output->interlaceAllowed = FALSE;
296	output->doubleScanAllowed = FALSE;
297    }
298
299  out:
300    drmModeFreeResources(res);
301}
302
303/* vim: set sw=4 ts=8 sts=4: */
304