modetest.c revision 1ec3c44bdd38051d870f64d0b2cc7dbd59760386
1/*
2 * DRM based mode setting test program
3 * Copyright 2008 Tungsten Graphics
4 *   Jakob Bornecrantz <jakob@tungstengraphics.com>
5 * Copyright 2008 Intel Corporation
6 *   Jesse Barnes <jesse.barnes@intel.com>
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
24 * IN THE SOFTWARE.
25 */
26
27/*
28 * This fairly simple test program dumps output in a similar format to the
29 * "xrandr" tool everyone knows & loves.  It's necessarily slightly different
30 * since the kernel separates outputs into encoder and connector structures,
31 * each with their own unique ID.  The program also allows test testing of the
32 * memory management and mode setting APIs by allowing the user to specify a
33 * connector and mode to use for mode setting.  If all works as expected, a
34 * blue background should be painted on the monitor attached to the specified
35 * connector after the selected mode is set.
36 *
37 * TODO: use cairo to write the mode info on the selected output once
38 *       the mode has been programmed, along with possible test patterns.
39 */
40
41#ifdef HAVE_CONFIG_H
42#include "config.h"
43#endif
44
45#include <assert.h>
46#include <ctype.h>
47#include <stdbool.h>
48#include <stdio.h>
49#include <stdlib.h>
50#include <stdint.h>
51#include <inttypes.h>
52#include <unistd.h>
53#include <string.h>
54#include <strings.h>
55#include <errno.h>
56#include <sys/poll.h>
57#include <sys/time.h>
58
59#include "xf86drm.h"
60#include "xf86drmMode.h"
61#include "drm_fourcc.h"
62
63#include "util/common.h"
64#include "util/format.h"
65#include "util/pattern.h"
66
67#include "buffers.h"
68#include "cursor.h"
69
70struct crtc {
71	drmModeCrtc *crtc;
72	drmModeObjectProperties *props;
73	drmModePropertyRes **props_info;
74	drmModeModeInfo *mode;
75};
76
77struct encoder {
78	drmModeEncoder *encoder;
79};
80
81struct connector {
82	drmModeConnector *connector;
83	drmModeObjectProperties *props;
84	drmModePropertyRes **props_info;
85	char *name;
86};
87
88struct fb {
89	drmModeFB *fb;
90};
91
92struct plane {
93	drmModePlane *plane;
94	drmModeObjectProperties *props;
95	drmModePropertyRes **props_info;
96};
97
98struct resources {
99	drmModeRes *res;
100	drmModePlaneRes *plane_res;
101
102	struct crtc *crtcs;
103	struct encoder *encoders;
104	struct connector *connectors;
105	struct fb *fbs;
106	struct plane *planes;
107};
108
109struct device {
110	int fd;
111
112	struct resources *resources;
113
114	struct {
115		unsigned int width;
116		unsigned int height;
117
118		unsigned int fb_id;
119		struct bo *bo;
120		struct bo *cursor_bo;
121	} mode;
122};
123
124static inline int64_t U642I64(uint64_t val)
125{
126	return (int64_t)*((int64_t *)&val);
127}
128
129struct type_name {
130	int type;
131	const char *name;
132};
133
134#define type_name_fn(res) \
135const char * res##_str(int type) {			\
136	unsigned int i;					\
137	for (i = 0; i < ARRAY_SIZE(res##_names); i++) { \
138		if (res##_names[i].type == type)	\
139			return res##_names[i].name;	\
140	}						\
141	return "(invalid)";				\
142}
143
144struct type_name encoder_type_names[] = {
145	{ DRM_MODE_ENCODER_NONE, "none" },
146	{ DRM_MODE_ENCODER_DAC, "DAC" },
147	{ DRM_MODE_ENCODER_TMDS, "TMDS" },
148	{ DRM_MODE_ENCODER_LVDS, "LVDS" },
149	{ DRM_MODE_ENCODER_TVDAC, "TVDAC" },
150	{ DRM_MODE_ENCODER_VIRTUAL, "Virtual" },
151	{ DRM_MODE_ENCODER_DSI, "DSI" },
152	{ DRM_MODE_ENCODER_DPMST, "DPMST" },
153};
154
155static type_name_fn(encoder_type)
156
157struct type_name connector_status_names[] = {
158	{ DRM_MODE_CONNECTED, "connected" },
159	{ DRM_MODE_DISCONNECTED, "disconnected" },
160	{ DRM_MODE_UNKNOWNCONNECTION, "unknown" },
161};
162
163static type_name_fn(connector_status)
164
165struct type_name connector_type_names[] = {
166	{ DRM_MODE_CONNECTOR_Unknown, "unknown" },
167	{ DRM_MODE_CONNECTOR_VGA, "VGA" },
168	{ DRM_MODE_CONNECTOR_DVII, "DVI-I" },
169	{ DRM_MODE_CONNECTOR_DVID, "DVI-D" },
170	{ DRM_MODE_CONNECTOR_DVIA, "DVI-A" },
171	{ DRM_MODE_CONNECTOR_Composite, "composite" },
172	{ DRM_MODE_CONNECTOR_SVIDEO, "s-video" },
173	{ DRM_MODE_CONNECTOR_LVDS, "LVDS" },
174	{ DRM_MODE_CONNECTOR_Component, "component" },
175	{ DRM_MODE_CONNECTOR_9PinDIN, "9-pin DIN" },
176	{ DRM_MODE_CONNECTOR_DisplayPort, "DP" },
177	{ DRM_MODE_CONNECTOR_HDMIA, "HDMI-A" },
178	{ DRM_MODE_CONNECTOR_HDMIB, "HDMI-B" },
179	{ DRM_MODE_CONNECTOR_TV, "TV" },
180	{ DRM_MODE_CONNECTOR_eDP, "eDP" },
181	{ DRM_MODE_CONNECTOR_VIRTUAL, "Virtual" },
182	{ DRM_MODE_CONNECTOR_DSI, "DSI" },
183};
184
185static type_name_fn(connector_type)
186
187#define bit_name_fn(res)					\
188const char * res##_str(int type) {				\
189	unsigned int i;						\
190	const char *sep = "";					\
191	for (i = 0; i < ARRAY_SIZE(res##_names); i++) {		\
192		if (type & (1 << i)) {				\
193			printf("%s%s", sep, res##_names[i]);	\
194			sep = ", ";				\
195		}						\
196	}							\
197	return NULL;						\
198}
199
200static const char *mode_type_names[] = {
201	"builtin",
202	"clock_c",
203	"crtc_c",
204	"preferred",
205	"default",
206	"userdef",
207	"driver",
208};
209
210static bit_name_fn(mode_type)
211
212static const char *mode_flag_names[] = {
213	"phsync",
214	"nhsync",
215	"pvsync",
216	"nvsync",
217	"interlace",
218	"dblscan",
219	"csync",
220	"pcsync",
221	"ncsync",
222	"hskew",
223	"bcast",
224	"pixmux",
225	"dblclk",
226	"clkdiv2"
227};
228
229static bit_name_fn(mode_flag)
230
231static void dump_encoders(struct device *dev)
232{
233	drmModeEncoder *encoder;
234	int i;
235
236	printf("Encoders:\n");
237	printf("id\tcrtc\ttype\tpossible crtcs\tpossible clones\t\n");
238	for (i = 0; i < dev->resources->res->count_encoders; i++) {
239		encoder = dev->resources->encoders[i].encoder;
240		if (!encoder)
241			continue;
242
243		printf("%d\t%d\t%s\t0x%08x\t0x%08x\n",
244		       encoder->encoder_id,
245		       encoder->crtc_id,
246		       encoder_type_str(encoder->encoder_type),
247		       encoder->possible_crtcs,
248		       encoder->possible_clones);
249	}
250	printf("\n");
251}
252
253static void dump_mode(drmModeModeInfo *mode)
254{
255	printf("  %s %d %d %d %d %d %d %d %d %d",
256	       mode->name,
257	       mode->vrefresh,
258	       mode->hdisplay,
259	       mode->hsync_start,
260	       mode->hsync_end,
261	       mode->htotal,
262	       mode->vdisplay,
263	       mode->vsync_start,
264	       mode->vsync_end,
265	       mode->vtotal);
266
267	printf(" flags: ");
268	mode_flag_str(mode->flags);
269	printf("; type: ");
270	mode_type_str(mode->type);
271	printf("\n");
272}
273
274static void dump_blob(struct device *dev, uint32_t blob_id)
275{
276	uint32_t i;
277	unsigned char *blob_data;
278	drmModePropertyBlobPtr blob;
279
280	blob = drmModeGetPropertyBlob(dev->fd, blob_id);
281	if (!blob) {
282		printf("\n");
283		return;
284	}
285
286	blob_data = blob->data;
287
288	for (i = 0; i < blob->length; i++) {
289		if (i % 16 == 0)
290			printf("\n\t\t\t");
291		printf("%.2hhx", blob_data[i]);
292	}
293	printf("\n");
294
295	drmModeFreePropertyBlob(blob);
296}
297
298static void dump_prop(struct device *dev, drmModePropertyPtr prop,
299		      uint32_t prop_id, uint64_t value)
300{
301	int i;
302	printf("\t%d", prop_id);
303	if (!prop) {
304		printf("\n");
305		return;
306	}
307
308	printf(" %s:\n", prop->name);
309
310	printf("\t\tflags:");
311	if (prop->flags & DRM_MODE_PROP_PENDING)
312		printf(" pending");
313	if (prop->flags & DRM_MODE_PROP_IMMUTABLE)
314		printf(" immutable");
315	if (drm_property_type_is(prop, DRM_MODE_PROP_SIGNED_RANGE))
316		printf(" signed range");
317	if (drm_property_type_is(prop, DRM_MODE_PROP_RANGE))
318		printf(" range");
319	if (drm_property_type_is(prop, DRM_MODE_PROP_ENUM))
320		printf(" enum");
321	if (drm_property_type_is(prop, DRM_MODE_PROP_BITMASK))
322		printf(" bitmask");
323	if (drm_property_type_is(prop, DRM_MODE_PROP_BLOB))
324		printf(" blob");
325	if (drm_property_type_is(prop, DRM_MODE_PROP_OBJECT))
326		printf(" object");
327	printf("\n");
328
329	if (drm_property_type_is(prop, DRM_MODE_PROP_SIGNED_RANGE)) {
330		printf("\t\tvalues:");
331		for (i = 0; i < prop->count_values; i++)
332			printf(" %"PRId64, U642I64(prop->values[i]));
333		printf("\n");
334	}
335
336	if (drm_property_type_is(prop, DRM_MODE_PROP_RANGE)) {
337		printf("\t\tvalues:");
338		for (i = 0; i < prop->count_values; i++)
339			printf(" %"PRIu64, prop->values[i]);
340		printf("\n");
341	}
342
343	if (drm_property_type_is(prop, DRM_MODE_PROP_ENUM)) {
344		printf("\t\tenums:");
345		for (i = 0; i < prop->count_enums; i++)
346			printf(" %s=%llu", prop->enums[i].name,
347			       prop->enums[i].value);
348		printf("\n");
349	} else if (drm_property_type_is(prop, DRM_MODE_PROP_BITMASK)) {
350		printf("\t\tvalues:");
351		for (i = 0; i < prop->count_enums; i++)
352			printf(" %s=0x%llx", prop->enums[i].name,
353			       (1LL << prop->enums[i].value));
354		printf("\n");
355	} else {
356		assert(prop->count_enums == 0);
357	}
358
359	if (drm_property_type_is(prop, DRM_MODE_PROP_BLOB)) {
360		printf("\t\tblobs:\n");
361		for (i = 0; i < prop->count_blobs; i++)
362			dump_blob(dev, prop->blob_ids[i]);
363		printf("\n");
364	} else {
365		assert(prop->count_blobs == 0);
366	}
367
368	printf("\t\tvalue:");
369	if (drm_property_type_is(prop, DRM_MODE_PROP_BLOB))
370		dump_blob(dev, value);
371	else
372		printf(" %"PRIu64"\n", value);
373}
374
375static void dump_connectors(struct device *dev)
376{
377	int i, j;
378
379	printf("Connectors:\n");
380	printf("id\tencoder\tstatus\t\tname\t\tsize (mm)\tmodes\tencoders\n");
381	for (i = 0; i < dev->resources->res->count_connectors; i++) {
382		struct connector *_connector = &dev->resources->connectors[i];
383		drmModeConnector *connector = _connector->connector;
384		if (!connector)
385			continue;
386
387		printf("%d\t%d\t%s\t%-15s\t%dx%d\t\t%d\t",
388		       connector->connector_id,
389		       connector->encoder_id,
390		       connector_status_str(connector->connection),
391		       _connector->name,
392		       connector->mmWidth, connector->mmHeight,
393		       connector->count_modes);
394
395		for (j = 0; j < connector->count_encoders; j++)
396			printf("%s%d", j > 0 ? ", " : "", connector->encoders[j]);
397		printf("\n");
398
399		if (connector->count_modes) {
400			printf("  modes:\n");
401			printf("\tname refresh (Hz) hdisp hss hse htot vdisp "
402			       "vss vse vtot)\n");
403			for (j = 0; j < connector->count_modes; j++)
404				dump_mode(&connector->modes[j]);
405		}
406
407		if (_connector->props) {
408			printf("  props:\n");
409			for (j = 0; j < (int)_connector->props->count_props; j++)
410				dump_prop(dev, _connector->props_info[j],
411					  _connector->props->props[j],
412					  _connector->props->prop_values[j]);
413		}
414	}
415	printf("\n");
416}
417
418static void dump_crtcs(struct device *dev)
419{
420	int i;
421	uint32_t j;
422
423	printf("CRTCs:\n");
424	printf("id\tfb\tpos\tsize\n");
425	for (i = 0; i < dev->resources->res->count_crtcs; i++) {
426		struct crtc *_crtc = &dev->resources->crtcs[i];
427		drmModeCrtc *crtc = _crtc->crtc;
428		if (!crtc)
429			continue;
430
431		printf("%d\t%d\t(%d,%d)\t(%dx%d)\n",
432		       crtc->crtc_id,
433		       crtc->buffer_id,
434		       crtc->x, crtc->y,
435		       crtc->width, crtc->height);
436		dump_mode(&crtc->mode);
437
438		if (_crtc->props) {
439			printf("  props:\n");
440			for (j = 0; j < _crtc->props->count_props; j++)
441				dump_prop(dev, _crtc->props_info[j],
442					  _crtc->props->props[j],
443					  _crtc->props->prop_values[j]);
444		} else {
445			printf("  no properties found\n");
446		}
447	}
448	printf("\n");
449}
450
451static void dump_framebuffers(struct device *dev)
452{
453	drmModeFB *fb;
454	int i;
455
456	printf("Frame buffers:\n");
457	printf("id\tsize\tpitch\n");
458	for (i = 0; i < dev->resources->res->count_fbs; i++) {
459		fb = dev->resources->fbs[i].fb;
460		if (!fb)
461			continue;
462
463		printf("%u\t(%ux%u)\t%u\n",
464		       fb->fb_id,
465		       fb->width, fb->height,
466		       fb->pitch);
467	}
468	printf("\n");
469}
470
471static void dump_planes(struct device *dev)
472{
473	unsigned int i, j;
474
475	printf("Planes:\n");
476	printf("id\tcrtc\tfb\tCRTC x,y\tx,y\tgamma size\tpossible crtcs\n");
477
478	if (!dev->resources->plane_res)
479		return;
480
481	for (i = 0; i < dev->resources->plane_res->count_planes; i++) {
482		struct plane *plane = &dev->resources->planes[i];
483		drmModePlane *ovr = plane->plane;
484		if (!ovr)
485			continue;
486
487		printf("%d\t%d\t%d\t%d,%d\t\t%d,%d\t%-8d\t0x%08x\n",
488		       ovr->plane_id, ovr->crtc_id, ovr->fb_id,
489		       ovr->crtc_x, ovr->crtc_y, ovr->x, ovr->y,
490		       ovr->gamma_size, ovr->possible_crtcs);
491
492		if (!ovr->count_formats)
493			continue;
494
495		printf("  formats:");
496		for (j = 0; j < ovr->count_formats; j++)
497			printf(" %4.4s", (char *)&ovr->formats[j]);
498		printf("\n");
499
500		if (plane->props) {
501			printf("  props:\n");
502			for (j = 0; j < plane->props->count_props; j++)
503				dump_prop(dev, plane->props_info[j],
504					  plane->props->props[j],
505					  plane->props->prop_values[j]);
506		} else {
507			printf("  no properties found\n");
508		}
509	}
510	printf("\n");
511
512	return;
513}
514
515static void free_resources(struct resources *res)
516{
517	int i;
518
519	if (!res)
520		return;
521
522#define free_resource(_res, __res, type, Type)					\
523	do {									\
524		if (!(_res)->type##s)						\
525			break;							\
526		for (i = 0; i < (int)(_res)->__res->count_##type##s; ++i) {	\
527			if (!(_res)->type##s[i].type)				\
528				break;						\
529			drmModeFree##Type((_res)->type##s[i].type);		\
530		}								\
531		free((_res)->type##s);						\
532	} while (0)
533
534#define free_properties(_res, __res, type)					\
535	do {									\
536		for (i = 0; i < (int)(_res)->__res->count_##type##s; ++i) {	\
537			drmModeFreeObjectProperties(res->type##s[i].props);	\
538			free(res->type##s[i].props_info);			\
539		}								\
540	} while (0)
541
542	if (res->res) {
543		free_properties(res, res, crtc);
544
545		free_resource(res, res, crtc, Crtc);
546		free_resource(res, res, encoder, Encoder);
547
548		for (i = 0; i < res->res->count_connectors; i++)
549			free(res->connectors[i].name);
550
551		free_resource(res, res, connector, Connector);
552		free_resource(res, res, fb, FB);
553
554		drmModeFreeResources(res->res);
555	}
556
557	if (res->plane_res) {
558		free_properties(res, plane_res, plane);
559
560		free_resource(res, plane_res, plane, Plane);
561
562		drmModeFreePlaneResources(res->plane_res);
563	}
564
565	free(res);
566}
567
568static struct resources *get_resources(struct device *dev)
569{
570	struct resources *res;
571	int i;
572
573	res = calloc(1, sizeof(*res));
574	if (res == 0)
575		return NULL;
576
577	drmSetClientCap(dev->fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1);
578
579	res->res = drmModeGetResources(dev->fd);
580	if (!res->res) {
581		fprintf(stderr, "drmModeGetResources failed: %s\n",
582			strerror(errno));
583		goto error;
584	}
585
586	res->crtcs = calloc(res->res->count_crtcs, sizeof(*res->crtcs));
587	res->encoders = calloc(res->res->count_encoders, sizeof(*res->encoders));
588	res->connectors = calloc(res->res->count_connectors, sizeof(*res->connectors));
589	res->fbs = calloc(res->res->count_fbs, sizeof(*res->fbs));
590
591	if (!res->crtcs || !res->encoders || !res->connectors || !res->fbs)
592		goto error;
593
594#define get_resource(_res, __res, type, Type)					\
595	do {									\
596		for (i = 0; i < (int)(_res)->__res->count_##type##s; ++i) {	\
597			(_res)->type##s[i].type =				\
598				drmModeGet##Type(dev->fd, (_res)->__res->type##s[i]); \
599			if (!(_res)->type##s[i].type)				\
600				fprintf(stderr, "could not get %s %i: %s\n",	\
601					#type, (_res)->__res->type##s[i],	\
602					strerror(errno));			\
603		}								\
604	} while (0)
605
606	get_resource(res, res, crtc, Crtc);
607	get_resource(res, res, encoder, Encoder);
608	get_resource(res, res, connector, Connector);
609	get_resource(res, res, fb, FB);
610
611	/* Set the name of all connectors based on the type name and the per-type ID. */
612	for (i = 0; i < res->res->count_connectors; i++) {
613		struct connector *connector = &res->connectors[i];
614
615		asprintf(&connector->name, "%s-%u",
616			 connector_type_str(connector->connector->connector_type),
617			 connector->connector->connector_type_id);
618	}
619
620#define get_properties(_res, __res, type, Type)					\
621	do {									\
622		for (i = 0; i < (int)(_res)->__res->count_##type##s; ++i) {	\
623			struct type *obj = &res->type##s[i];			\
624			unsigned int j;						\
625			obj->props =						\
626				drmModeObjectGetProperties(dev->fd, obj->type->type##_id, \
627							   DRM_MODE_OBJECT_##Type); \
628			if (!obj->props) {					\
629				fprintf(stderr,					\
630					"could not get %s %i properties: %s\n", \
631					#type, obj->type->type##_id,		\
632					strerror(errno));			\
633				continue;					\
634			}							\
635			obj->props_info = calloc(obj->props->count_props,	\
636						 sizeof(*obj->props_info));	\
637			if (!obj->props_info)					\
638				continue;					\
639			for (j = 0; j < obj->props->count_props; ++j)		\
640				obj->props_info[j] =				\
641					drmModeGetProperty(dev->fd, obj->props->props[j]); \
642		}								\
643	} while (0)
644
645	get_properties(res, res, crtc, CRTC);
646	get_properties(res, res, connector, CONNECTOR);
647
648	for (i = 0; i < res->res->count_crtcs; ++i)
649		res->crtcs[i].mode = &res->crtcs[i].crtc->mode;
650
651	res->plane_res = drmModeGetPlaneResources(dev->fd);
652	if (!res->plane_res) {
653		fprintf(stderr, "drmModeGetPlaneResources failed: %s\n",
654			strerror(errno));
655		return res;
656	}
657
658	res->planes = calloc(res->plane_res->count_planes, sizeof(*res->planes));
659	if (!res->planes)
660		goto error;
661
662	get_resource(res, plane_res, plane, Plane);
663	get_properties(res, plane_res, plane, PLANE);
664
665	return res;
666
667error:
668	free_resources(res);
669	return NULL;
670}
671
672static int get_crtc_index(struct device *dev, uint32_t id)
673{
674	int i;
675
676	for (i = 0; i < dev->resources->res->count_crtcs; ++i) {
677		drmModeCrtc *crtc = dev->resources->crtcs[i].crtc;
678		if (crtc && crtc->crtc_id == id)
679			return i;
680	}
681
682	return -1;
683}
684
685static drmModeConnector *get_connector_by_name(struct device *dev, const char *name)
686{
687	struct connector *connector;
688	int i;
689
690	for (i = 0; i < dev->resources->res->count_connectors; i++) {
691		connector = &dev->resources->connectors[i];
692
693		if (strcmp(connector->name, name) == 0)
694			return connector->connector;
695	}
696
697	return NULL;
698}
699
700static drmModeConnector *get_connector_by_id(struct device *dev, uint32_t id)
701{
702	drmModeConnector *connector;
703	int i;
704
705	for (i = 0; i < dev->resources->res->count_connectors; i++) {
706		connector = dev->resources->connectors[i].connector;
707		if (connector && connector->connector_id == id)
708			return connector;
709	}
710
711	return NULL;
712}
713
714static drmModeEncoder *get_encoder_by_id(struct device *dev, uint32_t id)
715{
716	drmModeEncoder *encoder;
717	int i;
718
719	for (i = 0; i < dev->resources->res->count_encoders; i++) {
720		encoder = dev->resources->encoders[i].encoder;
721		if (encoder && encoder->encoder_id == id)
722			return encoder;
723	}
724
725	return NULL;
726}
727
728/* -----------------------------------------------------------------------------
729 * Pipes and planes
730 */
731
732/*
733 * Mode setting with the kernel interfaces is a bit of a chore.
734 * First you have to find the connector in question and make sure the
735 * requested mode is available.
736 * Then you need to find the encoder attached to that connector so you
737 * can bind it with a free crtc.
738 */
739struct pipe_arg {
740	const char **cons;
741	uint32_t *con_ids;
742	unsigned int num_cons;
743	uint32_t crtc_id;
744	char mode_str[64];
745	char format_str[5];
746	unsigned int vrefresh;
747	unsigned int fourcc;
748	drmModeModeInfo *mode;
749	struct crtc *crtc;
750	unsigned int fb_id[2], current_fb_id;
751	struct timeval start;
752
753	int swap_count;
754};
755
756struct plane_arg {
757	uint32_t crtc_id;  /* the id of CRTC to bind to */
758	bool has_position;
759	int32_t x, y;
760	uint32_t w, h;
761	double scale;
762	unsigned int fb_id;
763	struct bo *bo;
764	char format_str[5]; /* need to leave room for terminating \0 */
765	unsigned int fourcc;
766};
767
768static drmModeModeInfo *
769connector_find_mode(struct device *dev, uint32_t con_id, const char *mode_str,
770        const unsigned int vrefresh)
771{
772	drmModeConnector *connector;
773	drmModeModeInfo *mode;
774	int i;
775
776	connector = get_connector_by_id(dev, con_id);
777	if (!connector || !connector->count_modes)
778		return NULL;
779
780	for (i = 0; i < connector->count_modes; i++) {
781		mode = &connector->modes[i];
782		if (!strcmp(mode->name, mode_str)) {
783			/* If the vertical refresh frequency is not specified then return the
784			 * first mode that match with the name. Else, return the mode that match
785			 * the name and the specified vertical refresh frequency.
786			 */
787			if (vrefresh == 0)
788				return mode;
789			else if (mode->vrefresh == vrefresh)
790				return mode;
791		}
792	}
793
794	return NULL;
795}
796
797static struct crtc *pipe_find_crtc(struct device *dev, struct pipe_arg *pipe)
798{
799	uint32_t possible_crtcs = ~0;
800	uint32_t active_crtcs = 0;
801	unsigned int crtc_idx;
802	unsigned int i;
803	int j;
804
805	for (i = 0; i < pipe->num_cons; ++i) {
806		uint32_t crtcs_for_connector = 0;
807		drmModeConnector *connector;
808		drmModeEncoder *encoder;
809		int idx;
810
811		connector = get_connector_by_id(dev, pipe->con_ids[i]);
812		if (!connector)
813			return NULL;
814
815		for (j = 0; j < connector->count_encoders; ++j) {
816			encoder = get_encoder_by_id(dev, connector->encoders[j]);
817			if (!encoder)
818				continue;
819
820			crtcs_for_connector |= encoder->possible_crtcs;
821
822			idx = get_crtc_index(dev, encoder->crtc_id);
823			if (idx >= 0)
824				active_crtcs |= 1 << idx;
825		}
826
827		possible_crtcs &= crtcs_for_connector;
828	}
829
830	if (!possible_crtcs)
831		return NULL;
832
833	/* Return the first possible and active CRTC if one exists, or the first
834	 * possible CRTC otherwise.
835	 */
836	if (possible_crtcs & active_crtcs)
837		crtc_idx = ffs(possible_crtcs & active_crtcs);
838	else
839		crtc_idx = ffs(possible_crtcs);
840
841	return &dev->resources->crtcs[crtc_idx - 1];
842}
843
844static int pipe_find_crtc_and_mode(struct device *dev, struct pipe_arg *pipe)
845{
846	drmModeModeInfo *mode = NULL;
847	int i;
848
849	pipe->mode = NULL;
850
851	for (i = 0; i < (int)pipe->num_cons; i++) {
852		mode = connector_find_mode(dev, pipe->con_ids[i],
853					   pipe->mode_str, pipe->vrefresh);
854		if (mode == NULL) {
855			fprintf(stderr,
856				"failed to find mode \"%s\" for connector %s\n",
857				pipe->mode_str, pipe->cons[i]);
858			return -EINVAL;
859		}
860	}
861
862	/* If the CRTC ID was specified, get the corresponding CRTC. Otherwise
863	 * locate a CRTC that can be attached to all the connectors.
864	 */
865	if (pipe->crtc_id != (uint32_t)-1) {
866		for (i = 0; i < dev->resources->res->count_crtcs; i++) {
867			struct crtc *crtc = &dev->resources->crtcs[i];
868
869			if (pipe->crtc_id == crtc->crtc->crtc_id) {
870				pipe->crtc = crtc;
871				break;
872			}
873		}
874	} else {
875		pipe->crtc = pipe_find_crtc(dev, pipe);
876	}
877
878	if (!pipe->crtc) {
879		fprintf(stderr, "failed to find CRTC for pipe\n");
880		return -EINVAL;
881	}
882
883	pipe->mode = mode;
884	pipe->crtc->mode = mode;
885
886	return 0;
887}
888
889/* -----------------------------------------------------------------------------
890 * Properties
891 */
892
893struct property_arg {
894	uint32_t obj_id;
895	uint32_t obj_type;
896	char name[DRM_PROP_NAME_LEN+1];
897	uint32_t prop_id;
898	uint64_t value;
899};
900
901static void set_property(struct device *dev, struct property_arg *p)
902{
903	drmModeObjectProperties *props = NULL;
904	drmModePropertyRes **props_info = NULL;
905	const char *obj_type;
906	int ret;
907	int i;
908
909	p->obj_type = 0;
910	p->prop_id = 0;
911
912#define find_object(_res, __res, type, Type)					\
913	do {									\
914		for (i = 0; i < (int)(_res)->__res->count_##type##s; ++i) {	\
915			struct type *obj = &(_res)->type##s[i];			\
916			if (obj->type->type##_id != p->obj_id)			\
917				continue;					\
918			p->obj_type = DRM_MODE_OBJECT_##Type;			\
919			obj_type = #Type;					\
920			props = obj->props;					\
921			props_info = obj->props_info;				\
922		}								\
923	} while(0)								\
924
925	find_object(dev->resources, res, crtc, CRTC);
926	if (p->obj_type == 0)
927		find_object(dev->resources, res, connector, CONNECTOR);
928	if (p->obj_type == 0)
929		find_object(dev->resources, plane_res, plane, PLANE);
930	if (p->obj_type == 0) {
931		fprintf(stderr, "Object %i not found, can't set property\n",
932			p->obj_id);
933			return;
934	}
935
936	if (!props) {
937		fprintf(stderr, "%s %i has no properties\n",
938			obj_type, p->obj_id);
939		return;
940	}
941
942	for (i = 0; i < (int)props->count_props; ++i) {
943		if (!props_info[i])
944			continue;
945		if (strcmp(props_info[i]->name, p->name) == 0)
946			break;
947	}
948
949	if (i == (int)props->count_props) {
950		fprintf(stderr, "%s %i has no %s property\n",
951			obj_type, p->obj_id, p->name);
952		return;
953	}
954
955	p->prop_id = props->props[i];
956
957	ret = drmModeObjectSetProperty(dev->fd, p->obj_id, p->obj_type,
958				       p->prop_id, p->value);
959	if (ret < 0)
960		fprintf(stderr, "failed to set %s %i property %s to %" PRIu64 ": %s\n",
961			obj_type, p->obj_id, p->name, p->value, strerror(errno));
962}
963
964/* -------------------------------------------------------------------------- */
965
966static void
967page_flip_handler(int fd, unsigned int frame,
968		  unsigned int sec, unsigned int usec, void *data)
969{
970	struct pipe_arg *pipe;
971	unsigned int new_fb_id;
972	struct timeval end;
973	double t;
974
975	pipe = data;
976	if (pipe->current_fb_id == pipe->fb_id[0])
977		new_fb_id = pipe->fb_id[1];
978	else
979		new_fb_id = pipe->fb_id[0];
980
981	drmModePageFlip(fd, pipe->crtc->crtc->crtc_id, new_fb_id,
982			DRM_MODE_PAGE_FLIP_EVENT, pipe);
983	pipe->current_fb_id = new_fb_id;
984	pipe->swap_count++;
985	if (pipe->swap_count == 60) {
986		gettimeofday(&end, NULL);
987		t = end.tv_sec + end.tv_usec * 1e-6 -
988			(pipe->start.tv_sec + pipe->start.tv_usec * 1e-6);
989		fprintf(stderr, "freq: %.02fHz\n", pipe->swap_count / t);
990		pipe->swap_count = 0;
991		pipe->start = end;
992	}
993}
994
995static bool format_support(const drmModePlanePtr ovr, uint32_t fmt)
996{
997	unsigned int i;
998
999	for (i = 0; i < ovr->count_formats; ++i) {
1000		if (ovr->formats[i] == fmt)
1001			return true;
1002	}
1003
1004	return false;
1005}
1006
1007static int set_plane(struct device *dev, struct plane_arg *p)
1008{
1009	drmModePlane *ovr;
1010	uint32_t handles[4] = {0}, pitches[4] = {0}, offsets[4] = {0};
1011	uint32_t plane_id = 0;
1012	struct bo *plane_bo;
1013	uint32_t plane_flags = 0;
1014	int crtc_x, crtc_y, crtc_w, crtc_h;
1015	struct crtc *crtc = NULL;
1016	unsigned int pipe;
1017	unsigned int i;
1018
1019	/* Find an unused plane which can be connected to our CRTC. Find the
1020	 * CRTC index first, then iterate over available planes.
1021	 */
1022	for (i = 0; i < (unsigned int)dev->resources->res->count_crtcs; i++) {
1023		if (p->crtc_id == dev->resources->res->crtcs[i]) {
1024			crtc = &dev->resources->crtcs[i];
1025			pipe = i;
1026			break;
1027		}
1028	}
1029
1030	if (!crtc) {
1031		fprintf(stderr, "CRTC %u not found\n", p->crtc_id);
1032		return -1;
1033	}
1034
1035	for (i = 0; i < dev->resources->plane_res->count_planes && !plane_id; i++) {
1036		ovr = dev->resources->planes[i].plane;
1037		if (!ovr || !format_support(ovr, p->fourcc))
1038			continue;
1039
1040		if ((ovr->possible_crtcs & (1 << pipe)) && !ovr->crtc_id)
1041			plane_id = ovr->plane_id;
1042	}
1043
1044	if (!plane_id) {
1045		fprintf(stderr, "no unused plane available for CRTC %u\n",
1046			crtc->crtc->crtc_id);
1047		return -1;
1048	}
1049
1050	fprintf(stderr, "testing %dx%d@%s overlay plane %u\n",
1051		p->w, p->h, p->format_str, plane_id);
1052
1053	plane_bo = bo_create(dev->fd, p->fourcc, p->w, p->h, handles,
1054			     pitches, offsets, UTIL_PATTERN_TILES);
1055	if (plane_bo == NULL)
1056		return -1;
1057
1058	p->bo = plane_bo;
1059
1060	/* just use single plane format for now.. */
1061	if (drmModeAddFB2(dev->fd, p->w, p->h, p->fourcc,
1062			handles, pitches, offsets, &p->fb_id, plane_flags)) {
1063		fprintf(stderr, "failed to add fb: %s\n", strerror(errno));
1064		return -1;
1065	}
1066
1067	crtc_w = p->w * p->scale;
1068	crtc_h = p->h * p->scale;
1069	if (!p->has_position) {
1070		/* Default to the middle of the screen */
1071		crtc_x = (crtc->mode->hdisplay - crtc_w) / 2;
1072		crtc_y = (crtc->mode->vdisplay - crtc_h) / 2;
1073	} else {
1074		crtc_x = p->x;
1075		crtc_y = p->y;
1076	}
1077
1078	/* note src coords (last 4 args) are in Q16 format */
1079	if (drmModeSetPlane(dev->fd, plane_id, crtc->crtc->crtc_id, p->fb_id,
1080			    plane_flags, crtc_x, crtc_y, crtc_w, crtc_h,
1081			    0, 0, p->w << 16, p->h << 16)) {
1082		fprintf(stderr, "failed to enable plane: %s\n",
1083			strerror(errno));
1084		return -1;
1085	}
1086
1087	ovr->crtc_id = crtc->crtc->crtc_id;
1088
1089	return 0;
1090}
1091
1092static void clear_planes(struct device *dev, struct plane_arg *p, unsigned int count)
1093{
1094	unsigned int i;
1095
1096	for (i = 0; i < count; i++) {
1097		if (p[i].fb_id)
1098			drmModeRmFB(dev->fd, p[i].fb_id);
1099		if (p[i].bo)
1100			bo_destroy(p[i].bo);
1101	}
1102}
1103
1104
1105static void set_mode(struct device *dev, struct pipe_arg *pipes, unsigned int count)
1106{
1107	uint32_t handles[4] = {0}, pitches[4] = {0}, offsets[4] = {0};
1108	unsigned int fb_id;
1109	struct bo *bo;
1110	unsigned int i;
1111	unsigned int j;
1112	int ret, x;
1113
1114	dev->mode.width = 0;
1115	dev->mode.height = 0;
1116	dev->mode.fb_id = 0;
1117
1118	for (i = 0; i < count; i++) {
1119		struct pipe_arg *pipe = &pipes[i];
1120
1121		ret = pipe_find_crtc_and_mode(dev, pipe);
1122		if (ret < 0)
1123			continue;
1124
1125		dev->mode.width += pipe->mode->hdisplay;
1126		if (dev->mode.height < pipe->mode->vdisplay)
1127			dev->mode.height = pipe->mode->vdisplay;
1128	}
1129
1130	bo = bo_create(dev->fd, pipes[0].fourcc, dev->mode.width,
1131		       dev->mode.height, handles, pitches, offsets,
1132		       UTIL_PATTERN_SMPTE);
1133	if (bo == NULL)
1134		return;
1135
1136	dev->mode.bo = bo;
1137
1138	ret = drmModeAddFB2(dev->fd, dev->mode.width, dev->mode.height,
1139			    pipes[0].fourcc, handles, pitches, offsets, &fb_id, 0);
1140	if (ret) {
1141		fprintf(stderr, "failed to add fb (%ux%u): %s\n",
1142			dev->mode.width, dev->mode.height, strerror(errno));
1143		return;
1144	}
1145
1146	dev->mode.fb_id = fb_id;
1147
1148	x = 0;
1149	for (i = 0; i < count; i++) {
1150		struct pipe_arg *pipe = &pipes[i];
1151
1152		if (pipe->mode == NULL)
1153			continue;
1154
1155		printf("setting mode %s-%dHz@%s on connectors ",
1156		       pipe->mode_str, pipe->mode->vrefresh, pipe->format_str);
1157		for (j = 0; j < pipe->num_cons; ++j)
1158			printf("%s, ", pipe->cons[j]);
1159		printf("crtc %d\n", pipe->crtc->crtc->crtc_id);
1160
1161		ret = drmModeSetCrtc(dev->fd, pipe->crtc->crtc->crtc_id, fb_id,
1162				     x, 0, pipe->con_ids, pipe->num_cons,
1163				     pipe->mode);
1164
1165		/* XXX: Actually check if this is needed */
1166		drmModeDirtyFB(dev->fd, fb_id, NULL, 0);
1167
1168		x += pipe->mode->hdisplay;
1169
1170		if (ret) {
1171			fprintf(stderr, "failed to set mode: %s\n", strerror(errno));
1172			return;
1173		}
1174	}
1175}
1176
1177static void clear_mode(struct device *dev)
1178{
1179	if (dev->mode.fb_id)
1180		drmModeRmFB(dev->fd, dev->mode.fb_id);
1181	if (dev->mode.bo)
1182		bo_destroy(dev->mode.bo);
1183}
1184
1185static void set_planes(struct device *dev, struct plane_arg *p, unsigned int count)
1186{
1187	unsigned int i;
1188
1189	/* set up planes/overlays */
1190	for (i = 0; i < count; i++)
1191		if (set_plane(dev, &p[i]))
1192			return;
1193}
1194
1195static void set_cursors(struct device *dev, struct pipe_arg *pipes, unsigned int count)
1196{
1197	uint32_t handles[4] = {0}, pitches[4] = {0}, offsets[4] = {0};
1198	struct bo *bo;
1199	unsigned int i;
1200	int ret;
1201
1202	/* maybe make cursor width/height configurable some day */
1203	uint32_t cw = 64;
1204	uint32_t ch = 64;
1205
1206	/* create cursor bo.. just using PATTERN_PLAIN as it has
1207	 * translucent alpha
1208	 */
1209	bo = bo_create(dev->fd, DRM_FORMAT_ARGB8888, cw, ch, handles, pitches,
1210		       offsets, UTIL_PATTERN_PLAIN);
1211	if (bo == NULL)
1212		return;
1213
1214	dev->mode.cursor_bo = bo;
1215
1216	for (i = 0; i < count; i++) {
1217		struct pipe_arg *pipe = &pipes[i];
1218		ret = cursor_init(dev->fd, handles[0],
1219				pipe->crtc->crtc->crtc_id,
1220				pipe->mode->hdisplay, pipe->mode->vdisplay,
1221				cw, ch);
1222		if (ret) {
1223			fprintf(stderr, "failed to init cursor for CRTC[%u]\n",
1224					pipe->crtc_id);
1225			return;
1226		}
1227	}
1228
1229	cursor_start();
1230}
1231
1232static void clear_cursors(struct device *dev)
1233{
1234	cursor_stop();
1235
1236	if (dev->mode.cursor_bo)
1237		bo_destroy(dev->mode.cursor_bo);
1238}
1239
1240static void test_page_flip(struct device *dev, struct pipe_arg *pipes, unsigned int count)
1241{
1242	uint32_t handles[4] = {0}, pitches[4] = {0}, offsets[4] = {0};
1243	unsigned int other_fb_id;
1244	struct bo *other_bo;
1245	drmEventContext evctx;
1246	unsigned int i;
1247	int ret;
1248
1249	other_bo = bo_create(dev->fd, pipes[0].fourcc, dev->mode.width,
1250			     dev->mode.height, handles, pitches, offsets,
1251			     UTIL_PATTERN_PLAIN);
1252	if (other_bo == NULL)
1253		return;
1254
1255	ret = drmModeAddFB2(dev->fd, dev->mode.width, dev->mode.height,
1256			    pipes[0].fourcc, handles, pitches, offsets,
1257			    &other_fb_id, 0);
1258	if (ret) {
1259		fprintf(stderr, "failed to add fb: %s\n", strerror(errno));
1260		goto err;
1261	}
1262
1263	for (i = 0; i < count; i++) {
1264		struct pipe_arg *pipe = &pipes[i];
1265
1266		if (pipe->mode == NULL)
1267			continue;
1268
1269		ret = drmModePageFlip(dev->fd, pipe->crtc->crtc->crtc_id,
1270				      other_fb_id, DRM_MODE_PAGE_FLIP_EVENT,
1271				      pipe);
1272		if (ret) {
1273			fprintf(stderr, "failed to page flip: %s\n", strerror(errno));
1274			goto err_rmfb;
1275		}
1276		gettimeofday(&pipe->start, NULL);
1277		pipe->swap_count = 0;
1278		pipe->fb_id[0] = dev->mode.fb_id;
1279		pipe->fb_id[1] = other_fb_id;
1280		pipe->current_fb_id = other_fb_id;
1281	}
1282
1283	memset(&evctx, 0, sizeof evctx);
1284	evctx.version = DRM_EVENT_CONTEXT_VERSION;
1285	evctx.vblank_handler = NULL;
1286	evctx.page_flip_handler = page_flip_handler;
1287
1288	while (1) {
1289#if 0
1290		struct pollfd pfd[2];
1291
1292		pfd[0].fd = 0;
1293		pfd[0].events = POLLIN;
1294		pfd[1].fd = fd;
1295		pfd[1].events = POLLIN;
1296
1297		if (poll(pfd, 2, -1) < 0) {
1298			fprintf(stderr, "poll error\n");
1299			break;
1300		}
1301
1302		if (pfd[0].revents)
1303			break;
1304#else
1305		struct timeval timeout = { .tv_sec = 3, .tv_usec = 0 };
1306		fd_set fds;
1307
1308		FD_ZERO(&fds);
1309		FD_SET(0, &fds);
1310		FD_SET(dev->fd, &fds);
1311		ret = select(dev->fd + 1, &fds, NULL, NULL, &timeout);
1312
1313		if (ret <= 0) {
1314			fprintf(stderr, "select timed out or error (ret %d)\n",
1315				ret);
1316			continue;
1317		} else if (FD_ISSET(0, &fds)) {
1318			break;
1319		}
1320#endif
1321
1322		drmHandleEvent(dev->fd, &evctx);
1323	}
1324
1325err_rmfb:
1326	drmModeRmFB(dev->fd, other_fb_id);
1327err:
1328	bo_destroy(other_bo);
1329}
1330
1331#define min(a, b)	((a) < (b) ? (a) : (b))
1332
1333static int parse_connector(struct pipe_arg *pipe, const char *arg)
1334{
1335	unsigned int len;
1336	unsigned int i;
1337	const char *p;
1338	char *endp;
1339
1340	pipe->vrefresh = 0;
1341	pipe->crtc_id = (uint32_t)-1;
1342	strcpy(pipe->format_str, "XR24");
1343
1344	/* Count the number of connectors and allocate them. */
1345	pipe->num_cons = 1;
1346	for (p = arg; *p && *p != ':' && *p != '@'; ++p) {
1347		if (*p == ',')
1348			pipe->num_cons++;
1349	}
1350
1351	pipe->con_ids = calloc(pipe->num_cons, sizeof(*pipe->con_ids));
1352	pipe->cons = calloc(pipe->num_cons, sizeof(*pipe->cons));
1353	if (pipe->con_ids == NULL || pipe->cons == NULL)
1354		return -1;
1355
1356	/* Parse the connectors. */
1357	for (i = 0, p = arg; i < pipe->num_cons; ++i, p = endp + 1) {
1358		endp = strpbrk(p, ",@:");
1359		if (!endp)
1360			break;
1361
1362		pipe->cons[i] = strndup(p, endp - p);
1363
1364		if (*endp != ',')
1365			break;
1366	}
1367
1368	if (i != pipe->num_cons - 1)
1369		return -1;
1370
1371	/* Parse the remaining parameters. */
1372	if (*endp == '@') {
1373		arg = endp + 1;
1374		pipe->crtc_id = strtoul(arg, &endp, 10);
1375	}
1376	if (*endp != ':')
1377		return -1;
1378
1379	arg = endp + 1;
1380
1381	/* Search for the vertical refresh or the format. */
1382	p = strpbrk(arg, "-@");
1383	if (p == NULL)
1384		p = arg + strlen(arg);
1385	len = min(sizeof pipe->mode_str - 1, (unsigned int)(p - arg));
1386	strncpy(pipe->mode_str, arg, len);
1387	pipe->mode_str[len] = '\0';
1388
1389	if (*p == '-') {
1390		pipe->vrefresh = strtoul(p + 1, &endp, 10);
1391		p = endp;
1392	}
1393
1394	if (*p == '@') {
1395		strncpy(pipe->format_str, p + 1, 4);
1396		pipe->format_str[4] = '\0';
1397	}
1398
1399	pipe->fourcc = util_format_fourcc(pipe->format_str);
1400	if (pipe->fourcc == 0)  {
1401		fprintf(stderr, "unknown format %s\n", pipe->format_str);
1402		return -1;
1403	}
1404
1405	return 0;
1406}
1407
1408static int parse_plane(struct plane_arg *plane, const char *p)
1409{
1410	char *end;
1411
1412	plane->crtc_id = strtoul(p, &end, 10);
1413	if (*end != ':')
1414		return -EINVAL;
1415
1416	p = end + 1;
1417	plane->w = strtoul(p, &end, 10);
1418	if (*end != 'x')
1419		return -EINVAL;
1420
1421	p = end + 1;
1422	plane->h = strtoul(p, &end, 10);
1423
1424	if (*end == '+' || *end == '-') {
1425		plane->x = strtol(end, &end, 10);
1426		if (*end != '+' && *end != '-')
1427			return -EINVAL;
1428		plane->y = strtol(end, &end, 10);
1429
1430		plane->has_position = true;
1431	}
1432
1433	if (*end == '*') {
1434		p = end + 1;
1435		plane->scale = strtod(p, &end);
1436		if (plane->scale <= 0.0)
1437			return -EINVAL;
1438	} else {
1439		plane->scale = 1.0;
1440	}
1441
1442	if (*end == '@') {
1443		p = end + 1;
1444		if (strlen(p) != 4)
1445			return -EINVAL;
1446
1447		strcpy(plane->format_str, p);
1448	} else {
1449		strcpy(plane->format_str, "XR24");
1450	}
1451
1452	plane->fourcc = util_format_fourcc(plane->format_str);
1453	if (plane->fourcc == 0) {
1454		fprintf(stderr, "unknown format %s\n", plane->format_str);
1455		return -EINVAL;
1456	}
1457
1458	return 0;
1459}
1460
1461static int parse_property(struct property_arg *p, const char *arg)
1462{
1463	if (sscanf(arg, "%d:%32[^:]:%" SCNu64, &p->obj_id, p->name, &p->value) != 3)
1464		return -1;
1465
1466	p->obj_type = 0;
1467	p->name[DRM_PROP_NAME_LEN] = '\0';
1468
1469	return 0;
1470}
1471
1472static void usage(char *name)
1473{
1474	fprintf(stderr, "usage: %s [-cDdefMPpsCvw]\n", name);
1475
1476	fprintf(stderr, "\n Query options:\n\n");
1477	fprintf(stderr, "\t-c\tlist connectors\n");
1478	fprintf(stderr, "\t-e\tlist encoders\n");
1479	fprintf(stderr, "\t-f\tlist framebuffers\n");
1480	fprintf(stderr, "\t-p\tlist CRTCs and planes (pipes)\n");
1481
1482	fprintf(stderr, "\n Test options:\n\n");
1483	fprintf(stderr, "\t-P <crtc_id>:<w>x<h>[+<x>+<y>][*<scale>][@<format>]\tset a plane\n");
1484	fprintf(stderr, "\t-s <connector_id>[,<connector_id>][@<crtc_id>]:<mode>[-<vrefresh>][@<format>]\tset a mode\n");
1485	fprintf(stderr, "\t-C\ttest hw cursor\n");
1486	fprintf(stderr, "\t-v\ttest vsynced page flipping\n");
1487	fprintf(stderr, "\t-w <obj_id>:<prop_name>:<value>\tset property\n");
1488
1489	fprintf(stderr, "\n Generic options:\n\n");
1490	fprintf(stderr, "\t-d\tdrop master after mode set\n");
1491	fprintf(stderr, "\t-M module\tuse the given driver\n");
1492	fprintf(stderr, "\t-D device\tuse the given device\n");
1493
1494	fprintf(stderr, "\n\tDefault is to dump all info.\n");
1495	exit(0);
1496}
1497
1498static int page_flipping_supported(void)
1499{
1500	/*FIXME: generic ioctl needed? */
1501	return 1;
1502#if 0
1503	int ret, value;
1504	struct drm_i915_getparam gp;
1505
1506	gp.param = I915_PARAM_HAS_PAGEFLIPPING;
1507	gp.value = &value;
1508
1509	ret = drmCommandWriteRead(fd, DRM_I915_GETPARAM, &gp, sizeof(gp));
1510	if (ret) {
1511		fprintf(stderr, "drm_i915_getparam: %m\n");
1512		return 0;
1513	}
1514
1515	return *gp.value;
1516#endif
1517}
1518
1519static int cursor_supported(void)
1520{
1521	/*FIXME: generic ioctl needed? */
1522	return 1;
1523}
1524
1525static int pipe_resolve_connectors(struct device *dev, struct pipe_arg *pipe)
1526{
1527	drmModeConnector *connector;
1528	unsigned int i;
1529	uint32_t id;
1530	char *endp;
1531
1532	for (i = 0; i < pipe->num_cons; i++) {
1533		id = strtoul(pipe->cons[i], &endp, 10);
1534		if (endp == pipe->cons[i]) {
1535			connector = get_connector_by_name(dev, pipe->cons[i]);
1536			if (!connector) {
1537				fprintf(stderr, "no connector named '%s'\n",
1538					pipe->cons[i]);
1539				return -ENODEV;
1540			}
1541
1542			id = connector->connector_id;
1543		}
1544
1545		pipe->con_ids[i] = id;
1546	}
1547
1548	return 0;
1549}
1550
1551static char optstr[] = "cdD:efM:P:ps:Cvw:";
1552
1553int main(int argc, char **argv)
1554{
1555	struct device dev;
1556
1557	int c;
1558	int encoders = 0, connectors = 0, crtcs = 0, planes = 0, framebuffers = 0;
1559	int drop_master = 0;
1560	int test_vsync = 0;
1561	int test_cursor = 0;
1562	const char *modules[] = { "i915", "radeon", "nouveau", "vmwgfx", "omapdrm", "exynos", "tilcdc", "msm", "sti", "tegra", "imx-drm", "rockchip", "atmel-hlcdc" };
1563	char *device = NULL;
1564	char *module = NULL;
1565	unsigned int i;
1566	unsigned int count = 0, plane_count = 0;
1567	unsigned int prop_count = 0;
1568	struct pipe_arg *pipe_args = NULL;
1569	struct plane_arg *plane_args = NULL;
1570	struct property_arg *prop_args = NULL;
1571	unsigned int args = 0;
1572	int ret;
1573
1574	memset(&dev, 0, sizeof dev);
1575
1576	opterr = 0;
1577	while ((c = getopt(argc, argv, optstr)) != -1) {
1578		args++;
1579
1580		switch (c) {
1581		case 'c':
1582			connectors = 1;
1583			break;
1584		case 'D':
1585			device = optarg;
1586			args--;
1587			break;
1588		case 'd':
1589			drop_master = 1;
1590			break;
1591		case 'e':
1592			encoders = 1;
1593			break;
1594		case 'f':
1595			framebuffers = 1;
1596			break;
1597		case 'M':
1598			module = optarg;
1599			/* Preserve the default behaviour of dumping all information. */
1600			args--;
1601			break;
1602		case 'P':
1603			plane_args = realloc(plane_args,
1604					     (plane_count + 1) * sizeof *plane_args);
1605			if (plane_args == NULL) {
1606				fprintf(stderr, "memory allocation failed\n");
1607				return 1;
1608			}
1609			memset(&plane_args[plane_count], 0, sizeof(*plane_args));
1610
1611			if (parse_plane(&plane_args[plane_count], optarg) < 0)
1612				usage(argv[0]);
1613
1614			plane_count++;
1615			break;
1616		case 'p':
1617			crtcs = 1;
1618			planes = 1;
1619			break;
1620		case 's':
1621			pipe_args = realloc(pipe_args,
1622					    (count + 1) * sizeof *pipe_args);
1623			if (pipe_args == NULL) {
1624				fprintf(stderr, "memory allocation failed\n");
1625				return 1;
1626			}
1627			memset(&pipe_args[count], 0, sizeof(*pipe_args));
1628
1629			if (parse_connector(&pipe_args[count], optarg) < 0)
1630				usage(argv[0]);
1631
1632			count++;
1633			break;
1634		case 'C':
1635			test_cursor = 1;
1636			break;
1637		case 'v':
1638			test_vsync = 1;
1639			break;
1640		case 'w':
1641			prop_args = realloc(prop_args,
1642					   (prop_count + 1) * sizeof *prop_args);
1643			if (prop_args == NULL) {
1644				fprintf(stderr, "memory allocation failed\n");
1645				return 1;
1646			}
1647			memset(&prop_args[prop_count], 0, sizeof(*prop_args));
1648
1649			if (parse_property(&prop_args[prop_count], optarg) < 0)
1650				usage(argv[0]);
1651
1652			prop_count++;
1653			break;
1654		default:
1655			usage(argv[0]);
1656			break;
1657		}
1658	}
1659
1660	if (!args)
1661		encoders = connectors = crtcs = planes = framebuffers = 1;
1662
1663	if (module) {
1664		dev.fd = drmOpen(module, device);
1665		if (dev.fd < 0) {
1666			fprintf(stderr, "failed to open device '%s'.\n", module);
1667			return 1;
1668		}
1669	} else {
1670		for (i = 0; i < ARRAY_SIZE(modules); i++) {
1671			printf("trying to open device '%s'...", modules[i]);
1672			dev.fd = drmOpen(modules[i], device);
1673			if (dev.fd < 0) {
1674				printf("failed.\n");
1675			} else {
1676				printf("success.\n");
1677				break;
1678			}
1679		}
1680
1681		if (dev.fd < 0) {
1682			fprintf(stderr, "no device found.\n");
1683			return 1;
1684		}
1685	}
1686
1687	if (test_vsync && !page_flipping_supported()) {
1688		fprintf(stderr, "page flipping not supported by drm.\n");
1689		return -1;
1690	}
1691
1692	if (test_vsync && !count) {
1693		fprintf(stderr, "page flipping requires at least one -s option.\n");
1694		return -1;
1695	}
1696
1697	if (test_cursor && !cursor_supported()) {
1698		fprintf(stderr, "hw cursor not supported by drm.\n");
1699		return -1;
1700	}
1701
1702	dev.resources = get_resources(&dev);
1703	if (!dev.resources) {
1704		drmClose(dev.fd);
1705		return 1;
1706	}
1707
1708	for (i = 0; i < count; i++) {
1709		if (pipe_resolve_connectors(&dev, &pipe_args[i]) < 0) {
1710			free_resources(dev.resources);
1711			drmClose(dev.fd);
1712			return 1;
1713		}
1714	}
1715
1716#define dump_resource(dev, res) if (res) dump_##res(dev)
1717
1718	dump_resource(&dev, encoders);
1719	dump_resource(&dev, connectors);
1720	dump_resource(&dev, crtcs);
1721	dump_resource(&dev, planes);
1722	dump_resource(&dev, framebuffers);
1723
1724	for (i = 0; i < prop_count; ++i)
1725		set_property(&dev, &prop_args[i]);
1726
1727	if (count || plane_count) {
1728		uint64_t cap = 0;
1729
1730		ret = drmGetCap(dev.fd, DRM_CAP_DUMB_BUFFER, &cap);
1731		if (ret || cap == 0) {
1732			fprintf(stderr, "driver doesn't support the dumb buffer API\n");
1733			return 1;
1734		}
1735
1736		if (count)
1737			set_mode(&dev, pipe_args, count);
1738
1739		if (plane_count)
1740			set_planes(&dev, plane_args, plane_count);
1741
1742		if (test_cursor)
1743			set_cursors(&dev, pipe_args, count);
1744
1745		if (test_vsync)
1746			test_page_flip(&dev, pipe_args, count);
1747
1748		if (drop_master)
1749			drmDropMaster(dev.fd);
1750
1751		getchar();
1752
1753		if (test_cursor)
1754			clear_cursors(&dev);
1755
1756		if (plane_count)
1757			clear_planes(&dev, plane_args, plane_count);
1758
1759		if (count)
1760			clear_mode(&dev);
1761	}
1762
1763	free_resources(dev.resources);
1764
1765	return 0;
1766}
1767