blob: 9c53c25e5201763a4673734d5ce32d72043f5a35 [file] [log] [blame]
Rob Clarkcd5351f2011-11-12 12:09:40 -06001/*
Rob Clark8bb0daf2013-02-11 12:43:09 -05002 * drivers/gpu/drm/omapdrm/omap_drv.c
Rob Clarkcd5351f2011-11-12 12:09:40 -06003 *
4 * Copyright (C) 2011 Texas Instruments
5 * Author: Rob Clark <rob@ti.com>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published by
9 * the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
15 *
16 * You should have received a copy of the GNU General Public License along with
17 * this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20#include "omap_drv.h"
21
22#include "drm_crtc_helper.h"
23#include "drm_fb_helper.h"
Andy Gross5c137792012-03-05 10:48:39 -060024#include "omap_dmm_tiler.h"
Rob Clarkcd5351f2011-11-12 12:09:40 -060025
26#define DRIVER_NAME MODULE_NAME
27#define DRIVER_DESC "OMAP DRM"
28#define DRIVER_DATE "20110917"
29#define DRIVER_MAJOR 1
30#define DRIVER_MINOR 0
31#define DRIVER_PATCHLEVEL 0
32
Rob Clarkcd5351f2011-11-12 12:09:40 -060033static int num_crtc = CONFIG_DRM_OMAP_NUM_CRTCS;
34
35MODULE_PARM_DESC(num_crtc, "Number of overlays to use as CRTCs");
36module_param(num_crtc, int, 0600);
37
38/*
39 * mode config funcs
40 */
41
42/* Notes about mapping DSS and DRM entities:
43 * CRTC: overlay
44 * encoder: manager.. with some extension to allow one primary CRTC
45 * and zero or more video CRTC's to be mapped to one encoder?
46 * connector: dssdev.. manager can be attached/detached from different
47 * devices
48 */
49
50static void omap_fb_output_poll_changed(struct drm_device *dev)
51{
52 struct omap_drm_private *priv = dev->dev_private;
53 DBG("dev=%p", dev);
YAMANE Toshiakic7f904b2012-11-14 19:30:38 +090054 if (priv->fbdev)
Rob Clarkcd5351f2011-11-12 12:09:40 -060055 drm_fb_helper_hotplug_event(priv->fbdev);
Rob Clarkcd5351f2011-11-12 12:09:40 -060056}
57
Laurent Pincharte6ecefa2012-05-17 13:27:23 +020058static const struct drm_mode_config_funcs omap_mode_config_funcs = {
Rob Clarkcd5351f2011-11-12 12:09:40 -060059 .fb_create = omap_framebuffer_create,
60 .output_poll_changed = omap_fb_output_poll_changed,
61};
62
63static int get_connector_type(struct omap_dss_device *dssdev)
64{
65 switch (dssdev->type) {
66 case OMAP_DISPLAY_TYPE_HDMI:
67 return DRM_MODE_CONNECTOR_HDMIA;
68 case OMAP_DISPLAY_TYPE_DPI:
69 if (!strcmp(dssdev->name, "dvi"))
70 return DRM_MODE_CONNECTOR_DVID;
71 /* fallthrough */
72 default:
73 return DRM_MODE_CONNECTOR_Unknown;
74 }
75}
76
Archit Taneja0d8f3712013-03-26 19:15:19 +053077static bool channel_used(struct drm_device *dev, enum omap_channel channel)
78{
79 struct omap_drm_private *priv = dev->dev_private;
80 int i;
81
82 for (i = 0; i < priv->num_crtcs; i++) {
83 struct drm_crtc *crtc = priv->crtcs[i];
84
85 if (omap_crtc_channel(crtc) == channel)
86 return true;
87 }
88
89 return false;
90}
91
Rob Clarkcd5351f2011-11-12 12:09:40 -060092static int omap_modeset_init(struct drm_device *dev)
93{
Rob Clarkcd5351f2011-11-12 12:09:40 -060094 struct omap_drm_private *priv = dev->dev_private;
95 struct omap_dss_device *dssdev = NULL;
Rob Clarkf5f94542012-12-04 13:59:12 -060096 int num_ovls = dss_feat_get_num_ovls();
Archit Taneja0d8f3712013-03-26 19:15:19 +053097 int num_mgrs = dss_feat_get_num_mgrs();
98 int num_crtcs;
99 int i, id = 0;
Rob Clarkcd5351f2011-11-12 12:09:40 -0600100
101 drm_mode_config_init(dev);
102
Rob Clarkf5f94542012-12-04 13:59:12 -0600103 omap_drm_irq_install(dev);
Andy Gross71e88312011-12-05 19:19:21 -0600104
Rob Clarkf5f94542012-12-04 13:59:12 -0600105 /*
Archit Taneja0d8f3712013-03-26 19:15:19 +0530106 * We usually don't want to create a CRTC for each manager, at least
107 * not until we have a way to expose private planes to userspace.
108 * Otherwise there would not be enough video pipes left for drm planes.
109 * We use the num_crtc argument to limit the number of crtcs we create.
Rob Clarkf5f94542012-12-04 13:59:12 -0600110 */
Archit Taneja0d8f3712013-03-26 19:15:19 +0530111 num_crtcs = min3(num_crtc, num_mgrs, num_ovls);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600112
Archit Taneja0d8f3712013-03-26 19:15:19 +0530113 dssdev = NULL;
Rob Clarkcd5351f2011-11-12 12:09:40 -0600114
Rob Clarkf5f94542012-12-04 13:59:12 -0600115 for_each_dss_dev(dssdev) {
116 struct drm_connector *connector;
117 struct drm_encoder *encoder;
Archit Taneja0d8f3712013-03-26 19:15:19 +0530118 enum omap_channel channel;
Rob Clarkf5f94542012-12-04 13:59:12 -0600119
120 if (!dssdev->driver) {
121 dev_warn(dev->dev, "%s has no driver.. skipping it\n",
122 dssdev->name);
Archit Taneja581382e2013-03-26 19:15:18 +0530123 continue;
Rob Clarkf5f94542012-12-04 13:59:12 -0600124 }
125
126 if (!(dssdev->driver->get_timings ||
127 dssdev->driver->read_edid)) {
128 dev_warn(dev->dev, "%s driver does not support "
129 "get_timings or read_edid.. skipping it!\n",
130 dssdev->name);
Archit Taneja581382e2013-03-26 19:15:18 +0530131 continue;
Rob Clarkf5f94542012-12-04 13:59:12 -0600132 }
133
134 encoder = omap_encoder_init(dev, dssdev);
135
136 if (!encoder) {
137 dev_err(dev->dev, "could not create encoder: %s\n",
138 dssdev->name);
139 return -ENOMEM;
140 }
141
142 connector = omap_connector_init(dev,
143 get_connector_type(dssdev), dssdev, encoder);
144
145 if (!connector) {
146 dev_err(dev->dev, "could not create connector: %s\n",
147 dssdev->name);
148 return -ENOMEM;
149 }
150
151 BUG_ON(priv->num_encoders >= ARRAY_SIZE(priv->encoders));
152 BUG_ON(priv->num_connectors >= ARRAY_SIZE(priv->connectors));
153
154 priv->encoders[priv->num_encoders++] = encoder;
155 priv->connectors[priv->num_connectors++] = connector;
156
157 drm_mode_connector_attach_encoder(connector, encoder);
158
Archit Taneja0d8f3712013-03-26 19:15:19 +0530159 /*
160 * if we have reached the limit of the crtcs we are allowed to
161 * create, let's not try to look for a crtc for this
162 * panel/encoder and onwards, we will, of course, populate the
163 * the possible_crtcs field for all the encoders with the final
164 * set of crtcs we create
165 */
166 if (id == num_crtcs)
167 continue;
168
169 /*
170 * get the recommended DISPC channel for this encoder. For now,
171 * we only try to get create a crtc out of the recommended, the
172 * other possible channels to which the encoder can connect are
173 * not considered.
174 */
175 channel = dssdev->output->dispc_channel;
176
177 /*
178 * if this channel hasn't already been taken by a previously
179 * allocated crtc, we create a new crtc for it
180 */
181 if (!channel_used(dev, channel)) {
182 struct drm_plane *plane;
183 struct drm_crtc *crtc;
184
185 plane = omap_plane_init(dev, id, true);
186 crtc = omap_crtc_init(dev, plane, channel, id);
187
188 BUG_ON(priv->num_crtcs >= ARRAY_SIZE(priv->crtcs));
189 priv->crtcs[id] = crtc;
190 priv->num_crtcs++;
191
192 priv->planes[id] = plane;
193 priv->num_planes++;
194
195 id++;
196 }
197 }
198
199 /*
200 * we have allocated crtcs according to the need of the panels/encoders,
201 * adding more crtcs here if needed
202 */
203 for (; id < num_crtcs; id++) {
204
205 /* find a free manager for this crtc */
206 for (i = 0; i < num_mgrs; i++) {
207 if (!channel_used(dev, i)) {
208 struct drm_plane *plane;
209 struct drm_crtc *crtc;
210
211 plane = omap_plane_init(dev, id, true);
212 crtc = omap_crtc_init(dev, plane, i, id);
213
214 BUG_ON(priv->num_crtcs >=
215 ARRAY_SIZE(priv->crtcs));
216
217 priv->crtcs[id] = crtc;
218 priv->num_crtcs++;
219
220 priv->planes[id] = plane;
221 priv->num_planes++;
222
223 break;
224 } else {
225 continue;
226 }
227 }
228
229 if (i == num_mgrs) {
230 /* this shouldn't really happen */
231 dev_err(dev->dev, "no managers left for crtc\n");
232 return -ENOMEM;
233 }
234 }
235
236 /*
237 * Create normal planes for the remaining overlays:
238 */
239 for (; id < num_ovls; id++) {
240 struct drm_plane *plane = omap_plane_init(dev, id, false);
241
242 BUG_ON(priv->num_planes >= ARRAY_SIZE(priv->planes));
243 priv->planes[priv->num_planes++] = plane;
244 }
245
246 for (i = 0; i < priv->num_encoders; i++) {
247 struct drm_encoder *encoder = priv->encoders[i];
248 struct omap_dss_device *dssdev =
249 omap_encoder_get_dssdev(encoder);
250
Rob Clarkf5f94542012-12-04 13:59:12 -0600251 /* figure out which crtc's we can connect the encoder to: */
252 encoder->possible_crtcs = 0;
253 for (id = 0; id < priv->num_crtcs; id++) {
Archit Taneja0d8f3712013-03-26 19:15:19 +0530254 struct drm_crtc *crtc = priv->crtcs[id];
255 enum omap_channel crtc_channel;
256 enum omap_dss_output_id supported_outputs;
257
258 crtc_channel = omap_crtc_channel(crtc);
259 supported_outputs =
260 dss_feat_get_supported_outputs(crtc_channel);
261
Rob Clarkf5f94542012-12-04 13:59:12 -0600262 if (supported_outputs & dssdev->output->id)
263 encoder->possible_crtcs |= (1 << id);
264 }
265 }
Rob Clarkcd5351f2011-11-12 12:09:40 -0600266
Archit Taneja0d8f3712013-03-26 19:15:19 +0530267 DBG("registered %d planes, %d crtcs, %d encoders and %d connectors\n",
268 priv->num_planes, priv->num_crtcs, priv->num_encoders,
269 priv->num_connectors);
270
Rob Clark6b8ca4c2012-01-08 19:37:37 -0600271 dev->mode_config.min_width = 32;
272 dev->mode_config.min_height = 32;
Rob Clarkcd5351f2011-11-12 12:09:40 -0600273
274 /* note: eventually will need some cpu_is_omapXYZ() type stuff here
275 * to fill in these limits properly on different OMAP generations..
276 */
277 dev->mode_config.max_width = 2048;
278 dev->mode_config.max_height = 2048;
279
280 dev->mode_config.funcs = &omap_mode_config_funcs;
281
282 return 0;
283}
284
285static void omap_modeset_free(struct drm_device *dev)
286{
287 drm_mode_config_cleanup(dev);
288}
289
290/*
291 * drm ioctl funcs
292 */
293
294
295static int ioctl_get_param(struct drm_device *dev, void *data,
296 struct drm_file *file_priv)
297{
Rob Clark5e3b0872012-10-29 09:31:12 +0100298 struct omap_drm_private *priv = dev->dev_private;
Rob Clarkcd5351f2011-11-12 12:09:40 -0600299 struct drm_omap_param *args = data;
300
301 DBG("%p: param=%llu", dev, args->param);
302
303 switch (args->param) {
304 case OMAP_PARAM_CHIPSET_ID:
Rob Clark5e3b0872012-10-29 09:31:12 +0100305 args->value = priv->omaprev;
Rob Clarkcd5351f2011-11-12 12:09:40 -0600306 break;
307 default:
308 DBG("unknown parameter %lld", args->param);
309 return -EINVAL;
310 }
311
312 return 0;
313}
314
315static int ioctl_set_param(struct drm_device *dev, void *data,
316 struct drm_file *file_priv)
317{
318 struct drm_omap_param *args = data;
319
320 switch (args->param) {
321 default:
322 DBG("unknown parameter %lld", args->param);
323 return -EINVAL;
324 }
325
326 return 0;
327}
328
329static int ioctl_gem_new(struct drm_device *dev, void *data,
330 struct drm_file *file_priv)
331{
332 struct drm_omap_gem_new *args = data;
Rob Clarkf5f94542012-12-04 13:59:12 -0600333 VERB("%p:%p: size=0x%08x, flags=%08x", dev, file_priv,
Rob Clarkcd5351f2011-11-12 12:09:40 -0600334 args->size.bytes, args->flags);
335 return omap_gem_new_handle(dev, file_priv, args->size,
336 args->flags, &args->handle);
337}
338
339static int ioctl_gem_cpu_prep(struct drm_device *dev, void *data,
340 struct drm_file *file_priv)
341{
342 struct drm_omap_gem_cpu_prep *args = data;
343 struct drm_gem_object *obj;
344 int ret;
345
346 VERB("%p:%p: handle=%d, op=%x", dev, file_priv, args->handle, args->op);
347
348 obj = drm_gem_object_lookup(dev, file_priv, args->handle);
YAMANE Toshiakic7f904b2012-11-14 19:30:38 +0900349 if (!obj)
Rob Clarkcd5351f2011-11-12 12:09:40 -0600350 return -ENOENT;
Rob Clarkcd5351f2011-11-12 12:09:40 -0600351
352 ret = omap_gem_op_sync(obj, args->op);
353
YAMANE Toshiakic7f904b2012-11-14 19:30:38 +0900354 if (!ret)
Rob Clarkcd5351f2011-11-12 12:09:40 -0600355 ret = omap_gem_op_start(obj, args->op);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600356
357 drm_gem_object_unreference_unlocked(obj);
358
359 return ret;
360}
361
362static int ioctl_gem_cpu_fini(struct drm_device *dev, void *data,
363 struct drm_file *file_priv)
364{
365 struct drm_omap_gem_cpu_fini *args = data;
366 struct drm_gem_object *obj;
367 int ret;
368
369 VERB("%p:%p: handle=%d", dev, file_priv, args->handle);
370
371 obj = drm_gem_object_lookup(dev, file_priv, args->handle);
YAMANE Toshiakic7f904b2012-11-14 19:30:38 +0900372 if (!obj)
Rob Clarkcd5351f2011-11-12 12:09:40 -0600373 return -ENOENT;
Rob Clarkcd5351f2011-11-12 12:09:40 -0600374
375 /* XXX flushy, flushy */
376 ret = 0;
377
YAMANE Toshiakic7f904b2012-11-14 19:30:38 +0900378 if (!ret)
Rob Clarkcd5351f2011-11-12 12:09:40 -0600379 ret = omap_gem_op_finish(obj, args->op);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600380
381 drm_gem_object_unreference_unlocked(obj);
382
383 return ret;
384}
385
386static int ioctl_gem_info(struct drm_device *dev, void *data,
387 struct drm_file *file_priv)
388{
389 struct drm_omap_gem_info *args = data;
390 struct drm_gem_object *obj;
391 int ret = 0;
392
Rob Clarkf5f94542012-12-04 13:59:12 -0600393 VERB("%p:%p: handle=%d", dev, file_priv, args->handle);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600394
395 obj = drm_gem_object_lookup(dev, file_priv, args->handle);
YAMANE Toshiakic7f904b2012-11-14 19:30:38 +0900396 if (!obj)
Rob Clarkcd5351f2011-11-12 12:09:40 -0600397 return -ENOENT;
Rob Clarkcd5351f2011-11-12 12:09:40 -0600398
Rob Clarkf7f9f452011-12-05 19:19:22 -0600399 args->size = omap_gem_mmap_size(obj);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600400 args->offset = omap_gem_mmap_offset(obj);
401
402 drm_gem_object_unreference_unlocked(obj);
403
404 return ret;
405}
406
Tomi Valkeinen6717cd22013-04-10 10:44:00 +0300407static struct drm_ioctl_desc ioctls[DRM_COMMAND_END - DRM_COMMAND_BASE] = {
Rob Clarkcd5351f2011-11-12 12:09:40 -0600408 DRM_IOCTL_DEF_DRV(OMAP_GET_PARAM, ioctl_get_param, DRM_UNLOCKED|DRM_AUTH),
409 DRM_IOCTL_DEF_DRV(OMAP_SET_PARAM, ioctl_set_param, DRM_UNLOCKED|DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
410 DRM_IOCTL_DEF_DRV(OMAP_GEM_NEW, ioctl_gem_new, DRM_UNLOCKED|DRM_AUTH),
411 DRM_IOCTL_DEF_DRV(OMAP_GEM_CPU_PREP, ioctl_gem_cpu_prep, DRM_UNLOCKED|DRM_AUTH),
412 DRM_IOCTL_DEF_DRV(OMAP_GEM_CPU_FINI, ioctl_gem_cpu_fini, DRM_UNLOCKED|DRM_AUTH),
413 DRM_IOCTL_DEF_DRV(OMAP_GEM_INFO, ioctl_gem_info, DRM_UNLOCKED|DRM_AUTH),
414};
415
416/*
417 * drm driver funcs
418 */
419
420/**
421 * load - setup chip and create an initial config
422 * @dev: DRM device
423 * @flags: startup flags
424 *
425 * The driver load routine has to do several things:
426 * - initialize the memory manager
427 * - allocate initial config memory
428 * - setup the DRM framebuffer with the allocated memory
429 */
430static int dev_load(struct drm_device *dev, unsigned long flags)
431{
Rob Clark5e3b0872012-10-29 09:31:12 +0100432 struct omap_drm_platform_data *pdata = dev->dev->platform_data;
Rob Clarkcd5351f2011-11-12 12:09:40 -0600433 struct omap_drm_private *priv;
434 int ret;
435
436 DBG("load: dev=%p", dev);
437
Rob Clarkcd5351f2011-11-12 12:09:40 -0600438 priv = kzalloc(sizeof(*priv), GFP_KERNEL);
Joe Perches78110bb2013-02-11 09:41:29 -0800439 if (!priv)
Rob Clarkcd5351f2011-11-12 12:09:40 -0600440 return -ENOMEM;
Rob Clarkcd5351f2011-11-12 12:09:40 -0600441
Rob Clark5e3b0872012-10-29 09:31:12 +0100442 priv->omaprev = pdata->omaprev;
443
Rob Clarkcd5351f2011-11-12 12:09:40 -0600444 dev->dev_private = priv;
445
Tejun Heo4619cdb2012-08-22 16:49:44 -0700446 priv->wq = alloc_ordered_workqueue("omapdrm", 0);
Rob Clark5609f7f2012-03-05 10:48:32 -0600447
Rob Clarkf6b60362012-03-05 10:48:36 -0600448 INIT_LIST_HEAD(&priv->obj_list);
449
Rob Clarkf7f9f452011-12-05 19:19:22 -0600450 omap_gem_init(dev);
451
Rob Clarkcd5351f2011-11-12 12:09:40 -0600452 ret = omap_modeset_init(dev);
453 if (ret) {
454 dev_err(dev->dev, "omap_modeset_init failed: ret=%d\n", ret);
455 dev->dev_private = NULL;
456 kfree(priv);
457 return ret;
458 }
459
Rob Clarkf5f94542012-12-04 13:59:12 -0600460 ret = drm_vblank_init(dev, priv->num_crtcs);
461 if (ret)
462 dev_warn(dev->dev, "could not init vblank\n");
463
Rob Clarkcd5351f2011-11-12 12:09:40 -0600464 priv->fbdev = omap_fbdev_init(dev);
465 if (!priv->fbdev) {
466 dev_warn(dev->dev, "omap_fbdev_init failed\n");
467 /* well, limp along without an fbdev.. maybe X11 will work? */
468 }
469
Andy Grosse78edba2012-12-19 14:53:37 -0600470 /* store off drm_device for use in pm ops */
471 dev_set_drvdata(dev->dev, dev);
472
Rob Clarkcd5351f2011-11-12 12:09:40 -0600473 drm_kms_helper_poll_init(dev);
474
Rob Clarkcd5351f2011-11-12 12:09:40 -0600475 return 0;
476}
477
478static int dev_unload(struct drm_device *dev)
479{
Rob Clark5609f7f2012-03-05 10:48:32 -0600480 struct omap_drm_private *priv = dev->dev_private;
481
Rob Clarkcd5351f2011-11-12 12:09:40 -0600482 DBG("unload: dev=%p", dev);
483
Rob Clarkcd5351f2011-11-12 12:09:40 -0600484 drm_kms_helper_poll_fini(dev);
Rob Clarkf5f94542012-12-04 13:59:12 -0600485 drm_vblank_cleanup(dev);
486 omap_drm_irq_uninstall(dev);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600487
488 omap_fbdev_free(dev);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600489 omap_modeset_free(dev);
Rob Clarkf7f9f452011-12-05 19:19:22 -0600490 omap_gem_deinit(dev);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600491
Rob Clark5609f7f2012-03-05 10:48:32 -0600492 flush_workqueue(priv->wq);
493 destroy_workqueue(priv->wq);
494
Rob Clarkcd5351f2011-11-12 12:09:40 -0600495 kfree(dev->dev_private);
496 dev->dev_private = NULL;
497
Andy Grosse78edba2012-12-19 14:53:37 -0600498 dev_set_drvdata(dev->dev, NULL);
499
Rob Clarkcd5351f2011-11-12 12:09:40 -0600500 return 0;
501}
502
503static int dev_open(struct drm_device *dev, struct drm_file *file)
504{
505 file->driver_priv = NULL;
506
507 DBG("open: dev=%p, file=%p", dev, file);
508
509 return 0;
510}
511
512static int dev_firstopen(struct drm_device *dev)
513{
514 DBG("firstopen: dev=%p", dev);
515 return 0;
516}
517
518/**
519 * lastclose - clean up after all DRM clients have exited
520 * @dev: DRM device
521 *
522 * Take care of cleaning up after all DRM clients have exited. In the
523 * mode setting case, we want to restore the kernel's initial mode (just
524 * in case the last client left us in a bad state).
525 */
526static void dev_lastclose(struct drm_device *dev)
527{
Rob Clark3c810c62012-08-15 15:18:01 -0500528 int i;
529
Rob Clarkcd5351f2011-11-12 12:09:40 -0600530 /* we don't support vga-switcheroo.. so just make sure the fbdev
531 * mode is active
532 */
533 struct omap_drm_private *priv = dev->dev_private;
534 int ret;
535
536 DBG("lastclose: dev=%p", dev);
537
Rob Clarkc2a6a552012-10-25 17:14:13 -0500538 if (priv->rotation_prop) {
539 /* need to restore default rotation state.. not sure
540 * if there is a cleaner way to restore properties to
541 * default state? Maybe a flag that properties should
542 * automatically be restored to default state on
543 * lastclose?
544 */
545 for (i = 0; i < priv->num_crtcs; i++) {
546 drm_object_property_set_value(&priv->crtcs[i]->base,
547 priv->rotation_prop, 0);
548 }
Rob Clark3c810c62012-08-15 15:18:01 -0500549
Rob Clarkc2a6a552012-10-25 17:14:13 -0500550 for (i = 0; i < priv->num_planes; i++) {
551 drm_object_property_set_value(&priv->planes[i]->base,
552 priv->rotation_prop, 0);
553 }
Rob Clark3c810c62012-08-15 15:18:01 -0500554 }
555
Daniel Vetterd5d26362013-01-20 15:50:41 +0100556 drm_modeset_lock_all(dev);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600557 ret = drm_fb_helper_restore_fbdev_mode(priv->fbdev);
Daniel Vetterd5d26362013-01-20 15:50:41 +0100558 drm_modeset_unlock_all(dev);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600559 if (ret)
560 DBG("failed to restore crtc mode");
561}
562
563static void dev_preclose(struct drm_device *dev, struct drm_file *file)
564{
565 DBG("preclose: dev=%p", dev);
566}
567
568static void dev_postclose(struct drm_device *dev, struct drm_file *file)
569{
570 DBG("postclose: dev=%p, file=%p", dev, file);
571}
572
Laurent Pinchart78b68552012-05-17 13:27:22 +0200573static const struct vm_operations_struct omap_gem_vm_ops = {
Rob Clarkcd5351f2011-11-12 12:09:40 -0600574 .fault = omap_gem_fault,
575 .open = drm_gem_vm_open,
576 .close = drm_gem_vm_close,
577};
578
Rob Clarkff4f3872012-01-16 12:51:14 -0600579static const struct file_operations omapdriver_fops = {
580 .owner = THIS_MODULE,
581 .open = drm_open,
582 .unlocked_ioctl = drm_ioctl,
583 .release = drm_release,
584 .mmap = omap_gem_mmap,
585 .poll = drm_poll,
586 .fasync = drm_fasync,
587 .read = drm_read,
588 .llseek = noop_llseek,
589};
590
Rob Clarkcd5351f2011-11-12 12:09:40 -0600591static struct drm_driver omap_drm_driver = {
592 .driver_features =
Rob Clark6ad11bc2012-04-10 13:19:55 -0500593 DRIVER_HAVE_IRQ | DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME,
Rob Clarkcd5351f2011-11-12 12:09:40 -0600594 .load = dev_load,
595 .unload = dev_unload,
596 .open = dev_open,
597 .firstopen = dev_firstopen,
598 .lastclose = dev_lastclose,
599 .preclose = dev_preclose,
600 .postclose = dev_postclose,
601 .get_vblank_counter = drm_vblank_count,
Rob Clarkf5f94542012-12-04 13:59:12 -0600602 .enable_vblank = omap_irq_enable_vblank,
603 .disable_vblank = omap_irq_disable_vblank,
604 .irq_preinstall = omap_irq_preinstall,
605 .irq_postinstall = omap_irq_postinstall,
606 .irq_uninstall = omap_irq_uninstall,
607 .irq_handler = omap_irq_handler,
Andy Gross6169a142011-12-15 21:05:17 -0600608#ifdef CONFIG_DEBUG_FS
609 .debugfs_init = omap_debugfs_init,
610 .debugfs_cleanup = omap_debugfs_cleanup,
611#endif
Rob Clark6ad11bc2012-04-10 13:19:55 -0500612 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
Rob Clark3080b832012-05-17 02:37:26 -0600613 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
Rob Clark6ad11bc2012-04-10 13:19:55 -0500614 .gem_prime_export = omap_gem_prime_export,
Rob Clark3080b832012-05-17 02:37:26 -0600615 .gem_prime_import = omap_gem_prime_import,
Rob Clarkcd5351f2011-11-12 12:09:40 -0600616 .gem_init_object = omap_gem_init_object,
617 .gem_free_object = omap_gem_free_object,
618 .gem_vm_ops = &omap_gem_vm_ops,
619 .dumb_create = omap_gem_dumb_create,
620 .dumb_map_offset = omap_gem_dumb_map_offset,
621 .dumb_destroy = omap_gem_dumb_destroy,
622 .ioctls = ioctls,
623 .num_ioctls = DRM_OMAP_NUM_IOCTLS,
Rob Clarkff4f3872012-01-16 12:51:14 -0600624 .fops = &omapdriver_fops,
Rob Clarkcd5351f2011-11-12 12:09:40 -0600625 .name = DRIVER_NAME,
626 .desc = DRIVER_DESC,
627 .date = DRIVER_DATE,
628 .major = DRIVER_MAJOR,
629 .minor = DRIVER_MINOR,
630 .patchlevel = DRIVER_PATCHLEVEL,
631};
632
633static int pdev_suspend(struct platform_device *pDevice, pm_message_t state)
634{
635 DBG("");
636 return 0;
637}
638
639static int pdev_resume(struct platform_device *device)
640{
641 DBG("");
642 return 0;
643}
644
645static void pdev_shutdown(struct platform_device *device)
646{
647 DBG("");
648}
649
650static int pdev_probe(struct platform_device *device)
651{
652 DBG("%s", device->name);
653 return drm_platform_init(&omap_drm_driver, device);
654}
655
656static int pdev_remove(struct platform_device *device)
657{
658 DBG("");
659 drm_platform_exit(&omap_drm_driver, device);
Andy Gross5c137792012-03-05 10:48:39 -0600660
661 platform_driver_unregister(&omap_dmm_driver);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600662 return 0;
663}
664
Andy Grosse78edba2012-12-19 14:53:37 -0600665#ifdef CONFIG_PM
666static const struct dev_pm_ops omapdrm_pm_ops = {
667 .resume = omap_gem_resume,
668};
669#endif
670
Tomi Valkeinen6717cd22013-04-10 10:44:00 +0300671static struct platform_driver pdev = {
Rob Clarkcd5351f2011-11-12 12:09:40 -0600672 .driver = {
673 .name = DRIVER_NAME,
674 .owner = THIS_MODULE,
Andy Grosse78edba2012-12-19 14:53:37 -0600675#ifdef CONFIG_PM
676 .pm = &omapdrm_pm_ops,
677#endif
Rob Clarkcd5351f2011-11-12 12:09:40 -0600678 },
679 .probe = pdev_probe,
680 .remove = pdev_remove,
681 .suspend = pdev_suspend,
682 .resume = pdev_resume,
683 .shutdown = pdev_shutdown,
684};
685
686static int __init omap_drm_init(void)
687{
688 DBG("init");
Rob Clarkbe0775a2012-04-05 10:34:56 -0500689 if (platform_driver_register(&omap_dmm_driver)) {
690 /* we can continue on without DMM.. so not fatal */
691 dev_err(NULL, "DMM registration failed\n");
692 }
Rob Clarkcd5351f2011-11-12 12:09:40 -0600693 return platform_driver_register(&pdev);
694}
695
696static void __exit omap_drm_fini(void)
697{
698 DBG("fini");
699 platform_driver_unregister(&pdev);
700}
701
702/* need late_initcall() so we load after dss_driver's are loaded */
703late_initcall(omap_drm_init);
704module_exit(omap_drm_fini);
705
706MODULE_AUTHOR("Rob Clark <rob@ti.com>");
707MODULE_DESCRIPTION("OMAP DRM Display Driver");
708MODULE_ALIAS("platform:" DRIVER_NAME);
709MODULE_LICENSE("GPL v2");