xorg_output.c revision a7a126bdfa386a4be9dd1f7bac1825edb7ff3fcd 
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 "xorg_tracker.h"
53
54struct output_private
55{
56    drmModeConnectorPtr drm_connector;
57
58    int c;
59};
60
61static char *output_enum_list[] = {
62    "Unknown",
63    "VGA",
64    "DVI",
65    "DVI",
66    "DVI",
67    "Composite",
68    "SVIDEO",
69    "LVDS",
70    "CTV",
71    "DIN",
72    "DP",
73    "HDMI",
74    "HDMI",
75};
76
77static void
78output_create_resources(xf86OutputPtr output)
79{
80#ifdef RANDR_12_INTERFACE
81#endif /* RANDR_12_INTERFACE */
82}
83
84static void
85output_dpms(xf86OutputPtr output, int mode)
86{
87}
88
89static xf86OutputStatus
90output_detect(xf86OutputPtr output)
91{
92    modesettingPtr ms = modesettingPTR(output->scrn);
93    struct output_private *priv = output->driver_private;
94    drmModeConnectorPtr drm_connector;
95    xf86OutputStatus status;
96
97    drm_connector = drmModeGetConnector(ms->fd, priv->drm_connector->connector_id);
98    if (drm_connector) {
99	drmModeFreeConnector(priv->drm_connector);
100	priv->drm_connector = drm_connector;
101    } else {
102	drm_connector = priv->drm_connector;
103    }
104
105    switch (drm_connector->connection) {
106    case DRM_MODE_CONNECTED:
107	status = XF86OutputStatusConnected;
108	break;
109    case DRM_MODE_DISCONNECTED:
110	status = XF86OutputStatusDisconnected;
111	break;
112    default:
113	status = XF86OutputStatusUnknown;
114    }
115
116    return status;
117}
118
119static DisplayModePtr
120output_get_modes(xf86OutputPtr output)
121{
122    struct output_private *priv = output->driver_private;
123    drmModeConnectorPtr drm_connector = priv->drm_connector;
124    drmModeModeInfoPtr drm_mode = NULL;
125    DisplayModePtr modes = NULL, mode = NULL;
126    int i;
127
128    for (i = 0; i < drm_connector->count_modes; i++) {
129	drm_mode = &drm_connector->modes[i];
130	if (drm_mode) {
131	    mode = xcalloc(1, sizeof(DisplayModeRec));
132	    if (!mode)
133		continue;
134	    mode->Clock = drm_mode->clock;
135	    mode->HDisplay = drm_mode->hdisplay;
136	    mode->HSyncStart = drm_mode->hsync_start;
137	    mode->HSyncEnd = drm_mode->hsync_end;
138	    mode->HTotal = drm_mode->htotal;
139	    mode->VDisplay = drm_mode->vdisplay;
140	    mode->VSyncStart = drm_mode->vsync_start;
141	    mode->VSyncEnd = drm_mode->vsync_end;
142	    mode->VTotal = drm_mode->vtotal;
143	    mode->Flags = drm_mode->flags;
144	    mode->HSkew = drm_mode->hskew;
145	    mode->VScan = drm_mode->vscan;
146	    mode->VRefresh = xf86ModeVRefresh(mode);
147	    mode->Private = (void *)drm_mode;
148	    mode->type = 0;
149	    if (drm_mode->type & DRM_MODE_TYPE_PREFERRED)
150		mode->type |= M_T_PREFERRED;
151	    if (drm_mode->type & DRM_MODE_TYPE_DRIVER)
152		mode->type |= M_T_DRIVER;
153	    xf86SetModeDefaultName(mode);
154	    modes = xf86ModesAdd(modes, mode);
155	    xf86PrintModeline(0, mode);
156	}
157    }
158
159    return modes;
160}
161
162static int
163output_mode_valid(xf86OutputPtr output, DisplayModePtr pMode)
164{
165    modesettingPtr ms = modesettingPTR(output->scrn);
166    CustomizerPtr cust = ms->cust;
167
168    if (cust && cust->winsys_check_fb_size &&
169	!cust->winsys_check_fb_size(cust, pMode->HDisplay *
170				    output->scrn->bitsPerPixel / 8,
171				    pMode->VDisplay))
172	return MODE_BAD;
173
174    return MODE_OK;
175}
176
177#ifdef RANDR_12_INTERFACE
178static Bool
179output_set_property(xf86OutputPtr output, Atom property, RRPropertyValuePtr value)
180{
181    return TRUE;
182}
183#endif /* RANDR_12_INTERFACE */
184
185#ifdef RANDR_13_INTERFACE
186static Bool
187output_get_property(xf86OutputPtr output, Atom property)
188{
189    return TRUE;
190}
191#endif /* RANDR_13_INTERFACE */
192
193static void
194output_destroy(xf86OutputPtr output)
195{
196    struct output_private *priv = output->driver_private;
197    drmModeFreeConnector(priv->drm_connector);
198    xfree(priv);
199    output->driver_private = NULL;
200}
201
202static const xf86OutputFuncsRec output_funcs = {
203    .create_resources = output_create_resources,
204#ifdef RANDR_12_INTERFACE
205    .set_property = output_set_property,
206#endif
207#ifdef RANDR_13_INTERFACE
208    .get_property = output_get_property,
209#endif
210    .dpms = output_dpms,
211    .detect = output_detect,
212
213    .get_modes = output_get_modes,
214    .mode_valid = output_mode_valid,
215    .destroy = output_destroy,
216};
217
218void
219xorg_output_init(ScrnInfoPtr pScrn)
220{
221    modesettingPtr ms = modesettingPTR(pScrn);
222    xf86OutputPtr output;
223    drmModeResPtr res;
224    drmModeConnectorPtr drm_connector = NULL;
225    drmModeEncoderPtr drm_encoder = NULL;
226    struct output_private *priv;
227    char name[32];
228    int c, v, p;
229
230    res = drmModeGetResources(ms->fd);
231    if (res == 0) {
232	DRV_ERROR("Failed drmModeGetResources\n");
233	return;
234    }
235
236    for (c = 0; c < res->count_connectors; c++) {
237	drm_connector = drmModeGetConnector(ms->fd, res->connectors[c]);
238	if (!drm_connector)
239	    goto out;
240
241#if 0
242	for (p = 0; p < drm_connector->count_props; p++) {
243	    drmModePropertyPtr prop;
244
245	    prop = drmModeGetProperty(ms->fd, drm_connector->props[p]);
246
247	    name = NULL;
248	    if (prop) {
249		ErrorF("VALUES %d\n", prop->count_values);
250
251		for (v = 0; v < prop->count_values; v++)
252		    ErrorF("%s %lld\n", prop->name, prop->values[v]);
253	    }
254	}
255#else
256	(void)p;
257	(void)v;
258#endif
259
260	snprintf(name, 32, "%s%d",
261		 output_enum_list[drm_connector->connector_type],
262		 drm_connector->connector_type_id);
263
264
265	priv = xcalloc(sizeof(*priv), 1);
266	if (!priv) {
267	    continue;
268	}
269
270	output = xf86OutputCreate(pScrn, &output_funcs, name);
271	if (!output) {
272	    xfree(priv);
273	    continue;
274	}
275
276	drm_encoder = drmModeGetEncoder(ms->fd, drm_connector->encoders[0]);
277	if (drm_encoder) {
278	    output->possible_crtcs = drm_encoder->possible_crtcs;
279	    output->possible_clones = drm_encoder->possible_clones;
280	} else {
281	    output->possible_crtcs = 0;
282	    output->possible_clones = 0;
283	}
284	priv->c = c;
285	priv->drm_connector = drm_connector;
286	output->driver_private = priv;
287	output->subpixel_order = SubPixelHorizontalRGB;
288	output->interlaceAllowed = FALSE;
289	output->doubleScanAllowed = FALSE;
290    }
291
292  out:
293    drmModeFreeResources(res);
294}
295
296unsigned
297xorg_output_get_id(xf86OutputPtr output)
298{
299    struct output_private *priv = output->driver_private;
300    return priv->drm_connector->connector_id;
301}
302
303/* vim: set sw=4 ts=8 sts=4: */
304