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559d6701 TV |
1 | /* |
2 | * linux/drivers/video/omap2/dss/core.c | |
3 | * | |
4 | * Copyright (C) 2009 Nokia Corporation | |
5 | * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com> | |
6 | * | |
7 | * Some code and ideas taken from drivers/video/omap/ driver | |
8 | * by Imre Deak. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify it | |
11 | * under the terms of the GNU General Public License version 2 as published by | |
12 | * the Free Software Foundation. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
15 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
16 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
17 | * more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License along with | |
20 | * this program. If not, see <http://www.gnu.org/licenses/>. | |
21 | */ | |
22 | ||
23 | #define DSS_SUBSYS_NAME "CORE" | |
24 | ||
25 | #include <linux/kernel.h> | |
26 | #include <linux/module.h> | |
27 | #include <linux/clk.h> | |
28 | #include <linux/err.h> | |
29 | #include <linux/platform_device.h> | |
30 | #include <linux/seq_file.h> | |
31 | #include <linux/debugfs.h> | |
32 | #include <linux/io.h> | |
33 | #include <linux/device.h> | |
8a2cfea8 | 34 | #include <linux/regulator/consumer.h> |
559d6701 | 35 | |
a0b38cc4 | 36 | #include <video/omapdss.h> |
559d6701 TV |
37 | |
38 | #include "dss.h" | |
a0acb557 | 39 | #include "dss_features.h" |
559d6701 TV |
40 | |
41 | static struct { | |
42 | struct platform_device *pdev; | |
8a2cfea8 TV |
43 | |
44 | struct regulator *vdds_dsi_reg; | |
45 | struct regulator *vdds_sdi_reg; | |
559d6701 TV |
46 | } core; |
47 | ||
559d6701 TV |
48 | static char *def_disp_name; |
49 | module_param_named(def_disp, def_disp_name, charp, 0); | |
ac425ed5 | 50 | MODULE_PARM_DESC(def_disp, "default display name"); |
559d6701 TV |
51 | |
52 | #ifdef DEBUG | |
53 | unsigned int dss_debug; | |
54 | module_param_named(debug, dss_debug, bool, 0644); | |
55 | #endif | |
56 | ||
06b2b0d5 TV |
57 | static int omap_dss_register_device(struct omap_dss_device *); |
58 | static void omap_dss_unregister_device(struct omap_dss_device *); | |
59 | ||
8a2cfea8 TV |
60 | /* REGULATORS */ |
61 | ||
62 | struct regulator *dss_get_vdds_dsi(void) | |
63 | { | |
64 | struct regulator *reg; | |
65 | ||
66 | if (core.vdds_dsi_reg != NULL) | |
67 | return core.vdds_dsi_reg; | |
68 | ||
69 | reg = regulator_get(&core.pdev->dev, "vdds_dsi"); | |
70 | if (!IS_ERR(reg)) | |
71 | core.vdds_dsi_reg = reg; | |
72 | ||
73 | return reg; | |
74 | } | |
75 | ||
76 | struct regulator *dss_get_vdds_sdi(void) | |
77 | { | |
78 | struct regulator *reg; | |
79 | ||
80 | if (core.vdds_sdi_reg != NULL) | |
81 | return core.vdds_sdi_reg; | |
82 | ||
83 | reg = regulator_get(&core.pdev->dev, "vdds_sdi"); | |
84 | if (!IS_ERR(reg)) | |
85 | core.vdds_sdi_reg = reg; | |
86 | ||
87 | return reg; | |
88 | } | |
89 | ||
559d6701 | 90 | #if defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT) |
559d6701 TV |
91 | static int dss_debug_show(struct seq_file *s, void *unused) |
92 | { | |
93 | void (*func)(struct seq_file *) = s->private; | |
94 | func(s); | |
95 | return 0; | |
96 | } | |
97 | ||
98 | static int dss_debug_open(struct inode *inode, struct file *file) | |
99 | { | |
100 | return single_open(file, dss_debug_show, inode->i_private); | |
101 | } | |
102 | ||
103 | static const struct file_operations dss_debug_fops = { | |
104 | .open = dss_debug_open, | |
105 | .read = seq_read, | |
106 | .llseek = seq_lseek, | |
107 | .release = single_release, | |
108 | }; | |
109 | ||
110 | static struct dentry *dss_debugfs_dir; | |
111 | ||
112 | static int dss_initialize_debugfs(void) | |
113 | { | |
114 | dss_debugfs_dir = debugfs_create_dir("omapdss", NULL); | |
115 | if (IS_ERR(dss_debugfs_dir)) { | |
116 | int err = PTR_ERR(dss_debugfs_dir); | |
117 | dss_debugfs_dir = NULL; | |
118 | return err; | |
119 | } | |
120 | ||
121 | debugfs_create_file("clk", S_IRUGO, dss_debugfs_dir, | |
122 | &dss_debug_dump_clocks, &dss_debug_fops); | |
123 | ||
853525d7 | 124 | #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS |
dfc0fd8d TV |
125 | debugfs_create_file("dispc_irq", S_IRUGO, dss_debugfs_dir, |
126 | &dispc_dump_irqs, &dss_debug_fops); | |
853525d7 | 127 | #endif |
dfc0fd8d | 128 | |
853525d7 | 129 | #if defined(CONFIG_OMAP2_DSS_DSI) && defined(CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS) |
5a8b572d | 130 | dsi_create_debugfs_files_irq(dss_debugfs_dir, &dss_debug_fops); |
dfc0fd8d TV |
131 | #endif |
132 | ||
559d6701 TV |
133 | debugfs_create_file("dss", S_IRUGO, dss_debugfs_dir, |
134 | &dss_dump_regs, &dss_debug_fops); | |
135 | debugfs_create_file("dispc", S_IRUGO, dss_debugfs_dir, | |
136 | &dispc_dump_regs, &dss_debug_fops); | |
137 | #ifdef CONFIG_OMAP2_DSS_RFBI | |
138 | debugfs_create_file("rfbi", S_IRUGO, dss_debugfs_dir, | |
139 | &rfbi_dump_regs, &dss_debug_fops); | |
140 | #endif | |
141 | #ifdef CONFIG_OMAP2_DSS_DSI | |
5a8b572d | 142 | dsi_create_debugfs_files_reg(dss_debugfs_dir, &dss_debug_fops); |
559d6701 TV |
143 | #endif |
144 | #ifdef CONFIG_OMAP2_DSS_VENC | |
145 | debugfs_create_file("venc", S_IRUGO, dss_debugfs_dir, | |
146 | &venc_dump_regs, &dss_debug_fops); | |
147 | #endif | |
148 | return 0; | |
149 | } | |
150 | ||
151 | static void dss_uninitialize_debugfs(void) | |
152 | { | |
153 | if (dss_debugfs_dir) | |
154 | debugfs_remove_recursive(dss_debugfs_dir); | |
155 | } | |
368a148e JN |
156 | #else /* CONFIG_DEBUG_FS && CONFIG_OMAP2_DSS_DEBUG_SUPPORT */ |
157 | static inline int dss_initialize_debugfs(void) | |
158 | { | |
159 | return 0; | |
160 | } | |
161 | static inline void dss_uninitialize_debugfs(void) | |
162 | { | |
163 | } | |
559d6701 TV |
164 | #endif /* CONFIG_DEBUG_FS && CONFIG_OMAP2_DSS_DEBUG_SUPPORT */ |
165 | ||
166 | /* PLATFORM DEVICE */ | |
167 | static int omap_dss_probe(struct platform_device *pdev) | |
168 | { | |
169 | struct omap_dss_board_info *pdata = pdev->dev.platform_data; | |
559d6701 TV |
170 | int r; |
171 | int i; | |
172 | ||
173 | core.pdev = pdev; | |
174 | ||
a0acb557 AT |
175 | dss_features_init(); |
176 | ||
559d6701 TV |
177 | dss_init_overlay_managers(pdev); |
178 | dss_init_overlays(pdev); | |
179 | ||
96c401bc | 180 | r = dss_init_platform_driver(); |
559d6701 | 181 | if (r) { |
96c401bc | 182 | DSSERR("Failed to initialize DSS platform driver\n"); |
fce064cb | 183 | goto err_dss; |
559d6701 TV |
184 | } |
185 | ||
cb5930bd TV |
186 | r = dispc_init_platform_driver(); |
187 | if (r) { | |
188 | DSSERR("Failed to initialize dispc platform driver\n"); | |
189 | goto err_dispc; | |
190 | } | |
8b9cb3a8 | 191 | |
3448d500 | 192 | r = rfbi_init_platform_driver(); |
559d6701 | 193 | if (r) { |
3448d500 | 194 | DSSERR("Failed to initialize rfbi platform driver\n"); |
fce064cb | 195 | goto err_rfbi; |
559d6701 | 196 | } |
559d6701 | 197 | |
30ea50c9 | 198 | r = venc_init_platform_driver(); |
559d6701 | 199 | if (r) { |
30ea50c9 | 200 | DSSERR("Failed to initialize venc platform driver\n"); |
fce064cb | 201 | goto err_venc; |
559d6701 | 202 | } |
368a148e | 203 | |
0a583518 TV |
204 | r = dsi_init_platform_driver(); |
205 | if (r) { | |
206 | DSSERR("Failed to initialize DSI platform driver\n"); | |
207 | goto err_dsi; | |
559d6701 TV |
208 | } |
209 | ||
adbc2fee M |
210 | r = hdmi_init_platform_driver(); |
211 | if (r) { | |
212 | DSSERR("Failed to initialize hdmi\n"); | |
213 | goto err_hdmi; | |
214 | } | |
215 | ||
559d6701 TV |
216 | r = dss_initialize_debugfs(); |
217 | if (r) | |
fce064cb | 218 | goto err_debugfs; |
559d6701 TV |
219 | |
220 | for (i = 0; i < pdata->num_devices; ++i) { | |
221 | struct omap_dss_device *dssdev = pdata->devices[i]; | |
222 | ||
223 | r = omap_dss_register_device(dssdev); | |
fce064cb JN |
224 | if (r) { |
225 | DSSERR("device %d %s register failed %d\n", i, | |
226 | dssdev->name ?: "unnamed", r); | |
227 | ||
228 | while (--i >= 0) | |
229 | omap_dss_unregister_device(pdata->devices[i]); | |
230 | ||
231 | goto err_register; | |
232 | } | |
559d6701 TV |
233 | |
234 | if (def_disp_name && strcmp(def_disp_name, dssdev->name) == 0) | |
235 | pdata->default_device = dssdev; | |
236 | } | |
237 | ||
559d6701 TV |
238 | return 0; |
239 | ||
fce064cb JN |
240 | err_register: |
241 | dss_uninitialize_debugfs(); | |
242 | err_debugfs: | |
adbc2fee M |
243 | hdmi_uninit_platform_driver(); |
244 | err_hdmi: | |
0a583518 | 245 | dsi_uninit_platform_driver(); |
fce064cb | 246 | err_dsi: |
30ea50c9 | 247 | venc_uninit_platform_driver(); |
fce064cb | 248 | err_venc: |
060b6d9c | 249 | dispc_uninit_platform_driver(); |
fce064cb | 250 | err_dispc: |
3448d500 | 251 | rfbi_uninit_platform_driver(); |
fce064cb | 252 | err_rfbi: |
96c401bc | 253 | dss_uninit_platform_driver(); |
fce064cb | 254 | err_dss: |
fce064cb | 255 | |
559d6701 TV |
256 | return r; |
257 | } | |
258 | ||
259 | static int omap_dss_remove(struct platform_device *pdev) | |
260 | { | |
261 | struct omap_dss_board_info *pdata = pdev->dev.platform_data; | |
262 | int i; | |
559d6701 | 263 | |
559d6701 | 264 | dss_uninitialize_debugfs(); |
559d6701 | 265 | |
cb5930bd TV |
266 | hdmi_uninit_platform_driver(); |
267 | dsi_uninit_platform_driver(); | |
30ea50c9 | 268 | venc_uninit_platform_driver(); |
3448d500 | 269 | rfbi_uninit_platform_driver(); |
cb5930bd | 270 | dispc_uninit_platform_driver(); |
96c401bc | 271 | dss_uninit_platform_driver(); |
559d6701 | 272 | |
559d6701 TV |
273 | dss_uninit_overlays(pdev); |
274 | dss_uninit_overlay_managers(pdev); | |
275 | ||
276 | for (i = 0; i < pdata->num_devices; ++i) | |
277 | omap_dss_unregister_device(pdata->devices[i]); | |
278 | ||
279 | return 0; | |
280 | } | |
281 | ||
282 | static void omap_dss_shutdown(struct platform_device *pdev) | |
283 | { | |
284 | DSSDBG("shutdown\n"); | |
285 | dss_disable_all_devices(); | |
286 | } | |
287 | ||
288 | static int omap_dss_suspend(struct platform_device *pdev, pm_message_t state) | |
289 | { | |
290 | DSSDBG("suspend %d\n", state.event); | |
291 | ||
292 | return dss_suspend_all_devices(); | |
293 | } | |
294 | ||
295 | static int omap_dss_resume(struct platform_device *pdev) | |
296 | { | |
297 | DSSDBG("resume\n"); | |
298 | ||
299 | return dss_resume_all_devices(); | |
300 | } | |
301 | ||
302 | static struct platform_driver omap_dss_driver = { | |
303 | .probe = omap_dss_probe, | |
304 | .remove = omap_dss_remove, | |
305 | .shutdown = omap_dss_shutdown, | |
306 | .suspend = omap_dss_suspend, | |
307 | .resume = omap_dss_resume, | |
308 | .driver = { | |
309 | .name = "omapdss", | |
310 | .owner = THIS_MODULE, | |
311 | }, | |
312 | }; | |
313 | ||
314 | /* BUS */ | |
315 | static int dss_bus_match(struct device *dev, struct device_driver *driver) | |
316 | { | |
317 | struct omap_dss_device *dssdev = to_dss_device(dev); | |
318 | ||
319 | DSSDBG("bus_match. dev %s/%s, drv %s\n", | |
320 | dev_name(dev), dssdev->driver_name, driver->name); | |
321 | ||
322 | return strcmp(dssdev->driver_name, driver->name) == 0; | |
323 | } | |
324 | ||
325 | static ssize_t device_name_show(struct device *dev, | |
326 | struct device_attribute *attr, char *buf) | |
327 | { | |
328 | struct omap_dss_device *dssdev = to_dss_device(dev); | |
329 | return snprintf(buf, PAGE_SIZE, "%s\n", | |
330 | dssdev->name ? | |
331 | dssdev->name : ""); | |
332 | } | |
333 | ||
334 | static struct device_attribute default_dev_attrs[] = { | |
335 | __ATTR(name, S_IRUGO, device_name_show, NULL), | |
336 | __ATTR_NULL, | |
337 | }; | |
338 | ||
339 | static ssize_t driver_name_show(struct device_driver *drv, char *buf) | |
340 | { | |
341 | struct omap_dss_driver *dssdrv = to_dss_driver(drv); | |
342 | return snprintf(buf, PAGE_SIZE, "%s\n", | |
343 | dssdrv->driver.name ? | |
344 | dssdrv->driver.name : ""); | |
345 | } | |
346 | static struct driver_attribute default_drv_attrs[] = { | |
347 | __ATTR(name, S_IRUGO, driver_name_show, NULL), | |
348 | __ATTR_NULL, | |
349 | }; | |
350 | ||
351 | static struct bus_type dss_bus_type = { | |
352 | .name = "omapdss", | |
353 | .match = dss_bus_match, | |
354 | .dev_attrs = default_dev_attrs, | |
355 | .drv_attrs = default_drv_attrs, | |
356 | }; | |
357 | ||
358 | static void dss_bus_release(struct device *dev) | |
359 | { | |
360 | DSSDBG("bus_release\n"); | |
361 | } | |
362 | ||
363 | static struct device dss_bus = { | |
364 | .release = dss_bus_release, | |
365 | }; | |
366 | ||
367 | struct bus_type *dss_get_bus(void) | |
368 | { | |
369 | return &dss_bus_type; | |
370 | } | |
371 | ||
372 | /* DRIVER */ | |
373 | static int dss_driver_probe(struct device *dev) | |
374 | { | |
375 | int r; | |
376 | struct omap_dss_driver *dssdrv = to_dss_driver(dev->driver); | |
377 | struct omap_dss_device *dssdev = to_dss_device(dev); | |
378 | struct omap_dss_board_info *pdata = core.pdev->dev.platform_data; | |
379 | bool force; | |
380 | ||
381 | DSSDBG("driver_probe: dev %s/%s, drv %s\n", | |
382 | dev_name(dev), dssdev->driver_name, | |
383 | dssdrv->driver.name); | |
384 | ||
385 | dss_init_device(core.pdev, dssdev); | |
386 | ||
e020f9af TV |
387 | force = pdata->default_device == dssdev; |
388 | dss_recheck_connections(dssdev, force); | |
559d6701 TV |
389 | |
390 | r = dssdrv->probe(dssdev); | |
391 | ||
392 | if (r) { | |
393 | DSSERR("driver probe failed: %d\n", r); | |
c121b152 | 394 | dss_uninit_device(core.pdev, dssdev); |
559d6701 TV |
395 | return r; |
396 | } | |
397 | ||
398 | DSSDBG("probe done for device %s\n", dev_name(dev)); | |
399 | ||
400 | dssdev->driver = dssdrv; | |
401 | ||
402 | return 0; | |
403 | } | |
404 | ||
405 | static int dss_driver_remove(struct device *dev) | |
406 | { | |
407 | struct omap_dss_driver *dssdrv = to_dss_driver(dev->driver); | |
408 | struct omap_dss_device *dssdev = to_dss_device(dev); | |
409 | ||
410 | DSSDBG("driver_remove: dev %s/%s\n", dev_name(dev), | |
411 | dssdev->driver_name); | |
412 | ||
413 | dssdrv->remove(dssdev); | |
414 | ||
415 | dss_uninit_device(core.pdev, dssdev); | |
416 | ||
417 | dssdev->driver = NULL; | |
418 | ||
419 | return 0; | |
420 | } | |
421 | ||
422 | int omap_dss_register_driver(struct omap_dss_driver *dssdriver) | |
423 | { | |
424 | dssdriver->driver.bus = &dss_bus_type; | |
425 | dssdriver->driver.probe = dss_driver_probe; | |
426 | dssdriver->driver.remove = dss_driver_remove; | |
96adcece TV |
427 | |
428 | if (dssdriver->get_resolution == NULL) | |
429 | dssdriver->get_resolution = omapdss_default_get_resolution; | |
a2699504 TV |
430 | if (dssdriver->get_recommended_bpp == NULL) |
431 | dssdriver->get_recommended_bpp = | |
432 | omapdss_default_get_recommended_bpp; | |
96adcece | 433 | |
559d6701 TV |
434 | return driver_register(&dssdriver->driver); |
435 | } | |
436 | EXPORT_SYMBOL(omap_dss_register_driver); | |
437 | ||
438 | void omap_dss_unregister_driver(struct omap_dss_driver *dssdriver) | |
439 | { | |
440 | driver_unregister(&dssdriver->driver); | |
441 | } | |
442 | EXPORT_SYMBOL(omap_dss_unregister_driver); | |
443 | ||
444 | /* DEVICE */ | |
445 | static void reset_device(struct device *dev, int check) | |
446 | { | |
447 | u8 *dev_p = (u8 *)dev; | |
448 | u8 *dev_end = dev_p + sizeof(*dev); | |
449 | void *saved_pdata; | |
450 | ||
451 | saved_pdata = dev->platform_data; | |
452 | if (check) { | |
453 | /* | |
454 | * Check if there is any other setting than platform_data | |
455 | * in struct device; warn that these will be reset by our | |
456 | * init. | |
457 | */ | |
458 | dev->platform_data = NULL; | |
459 | while (dev_p < dev_end) { | |
460 | if (*dev_p) { | |
461 | WARN("%s: struct device fields will be " | |
462 | "discarded\n", | |
463 | __func__); | |
464 | break; | |
465 | } | |
466 | dev_p++; | |
467 | } | |
468 | } | |
469 | memset(dev, 0, sizeof(*dev)); | |
470 | dev->platform_data = saved_pdata; | |
471 | } | |
472 | ||
473 | ||
474 | static void omap_dss_dev_release(struct device *dev) | |
475 | { | |
476 | reset_device(dev, 0); | |
477 | } | |
478 | ||
06b2b0d5 | 479 | static int omap_dss_register_device(struct omap_dss_device *dssdev) |
559d6701 TV |
480 | { |
481 | static int dev_num; | |
559d6701 TV |
482 | |
483 | WARN_ON(!dssdev->driver_name); | |
484 | ||
485 | reset_device(&dssdev->dev, 1); | |
486 | dssdev->dev.bus = &dss_bus_type; | |
487 | dssdev->dev.parent = &dss_bus; | |
488 | dssdev->dev.release = omap_dss_dev_release; | |
489 | dev_set_name(&dssdev->dev, "display%d", dev_num++); | |
e020f9af | 490 | return device_register(&dssdev->dev); |
559d6701 TV |
491 | } |
492 | ||
06b2b0d5 | 493 | static void omap_dss_unregister_device(struct omap_dss_device *dssdev) |
559d6701 TV |
494 | { |
495 | device_unregister(&dssdev->dev); | |
559d6701 TV |
496 | } |
497 | ||
498 | /* BUS */ | |
499 | static int omap_dss_bus_register(void) | |
500 | { | |
501 | int r; | |
502 | ||
503 | r = bus_register(&dss_bus_type); | |
504 | if (r) { | |
505 | DSSERR("bus register failed\n"); | |
506 | return r; | |
507 | } | |
508 | ||
509 | dev_set_name(&dss_bus, "omapdss"); | |
510 | r = device_register(&dss_bus); | |
511 | if (r) { | |
512 | DSSERR("bus driver register failed\n"); | |
513 | bus_unregister(&dss_bus_type); | |
514 | return r; | |
515 | } | |
516 | ||
517 | return 0; | |
518 | } | |
519 | ||
520 | /* INIT */ | |
521 | ||
522 | #ifdef CONFIG_OMAP2_DSS_MODULE | |
523 | static void omap_dss_bus_unregister(void) | |
524 | { | |
525 | device_unregister(&dss_bus); | |
526 | ||
527 | bus_unregister(&dss_bus_type); | |
528 | } | |
529 | ||
530 | static int __init omap_dss_init(void) | |
531 | { | |
532 | int r; | |
533 | ||
534 | r = omap_dss_bus_register(); | |
535 | if (r) | |
536 | return r; | |
537 | ||
538 | r = platform_driver_register(&omap_dss_driver); | |
539 | if (r) { | |
540 | omap_dss_bus_unregister(); | |
541 | return r; | |
542 | } | |
543 | ||
544 | return 0; | |
545 | } | |
546 | ||
547 | static void __exit omap_dss_exit(void) | |
548 | { | |
8a2cfea8 TV |
549 | if (core.vdds_dsi_reg != NULL) { |
550 | regulator_put(core.vdds_dsi_reg); | |
551 | core.vdds_dsi_reg = NULL; | |
552 | } | |
553 | ||
554 | if (core.vdds_sdi_reg != NULL) { | |
555 | regulator_put(core.vdds_sdi_reg); | |
556 | core.vdds_sdi_reg = NULL; | |
557 | } | |
558 | ||
559d6701 TV |
559 | platform_driver_unregister(&omap_dss_driver); |
560 | ||
561 | omap_dss_bus_unregister(); | |
562 | } | |
563 | ||
564 | module_init(omap_dss_init); | |
565 | module_exit(omap_dss_exit); | |
566 | #else | |
567 | static int __init omap_dss_init(void) | |
568 | { | |
569 | return omap_dss_bus_register(); | |
570 | } | |
571 | ||
572 | static int __init omap_dss_init2(void) | |
573 | { | |
574 | return platform_driver_register(&omap_dss_driver); | |
575 | } | |
576 | ||
577 | core_initcall(omap_dss_init); | |
578 | device_initcall(omap_dss_init2); | |
579 | #endif | |
580 | ||
581 | MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@nokia.com>"); | |
582 | MODULE_DESCRIPTION("OMAP2/3 Display Subsystem"); | |
583 | MODULE_LICENSE("GPL v2"); | |
584 |