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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 TV |
35 | |
36 | #include <plat/display.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); | |
50 | MODULE_PARM_DESC(def_disp_name, "default display name"); | |
51 | ||
52 | #ifdef DEBUG | |
53 | unsigned int dss_debug; | |
54 | module_param_named(debug, dss_debug, bool, 0644); | |
55 | #endif | |
56 | ||
8a2cfea8 TV |
57 | /* REGULATORS */ |
58 | ||
59 | struct regulator *dss_get_vdds_dsi(void) | |
60 | { | |
61 | struct regulator *reg; | |
62 | ||
63 | if (core.vdds_dsi_reg != NULL) | |
64 | return core.vdds_dsi_reg; | |
65 | ||
66 | reg = regulator_get(&core.pdev->dev, "vdds_dsi"); | |
67 | if (!IS_ERR(reg)) | |
68 | core.vdds_dsi_reg = reg; | |
69 | ||
70 | return reg; | |
71 | } | |
72 | ||
73 | struct regulator *dss_get_vdds_sdi(void) | |
74 | { | |
75 | struct regulator *reg; | |
76 | ||
77 | if (core.vdds_sdi_reg != NULL) | |
78 | return core.vdds_sdi_reg; | |
79 | ||
80 | reg = regulator_get(&core.pdev->dev, "vdds_sdi"); | |
81 | if (!IS_ERR(reg)) | |
82 | core.vdds_sdi_reg = reg; | |
83 | ||
84 | return reg; | |
85 | } | |
86 | ||
559d6701 | 87 | #if defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT) |
559d6701 TV |
88 | static int dss_debug_show(struct seq_file *s, void *unused) |
89 | { | |
90 | void (*func)(struct seq_file *) = s->private; | |
91 | func(s); | |
92 | return 0; | |
93 | } | |
94 | ||
95 | static int dss_debug_open(struct inode *inode, struct file *file) | |
96 | { | |
97 | return single_open(file, dss_debug_show, inode->i_private); | |
98 | } | |
99 | ||
100 | static const struct file_operations dss_debug_fops = { | |
101 | .open = dss_debug_open, | |
102 | .read = seq_read, | |
103 | .llseek = seq_lseek, | |
104 | .release = single_release, | |
105 | }; | |
106 | ||
107 | static struct dentry *dss_debugfs_dir; | |
108 | ||
109 | static int dss_initialize_debugfs(void) | |
110 | { | |
111 | dss_debugfs_dir = debugfs_create_dir("omapdss", NULL); | |
112 | if (IS_ERR(dss_debugfs_dir)) { | |
113 | int err = PTR_ERR(dss_debugfs_dir); | |
114 | dss_debugfs_dir = NULL; | |
115 | return err; | |
116 | } | |
117 | ||
118 | debugfs_create_file("clk", S_IRUGO, dss_debugfs_dir, | |
119 | &dss_debug_dump_clocks, &dss_debug_fops); | |
120 | ||
853525d7 | 121 | #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS |
dfc0fd8d TV |
122 | debugfs_create_file("dispc_irq", S_IRUGO, dss_debugfs_dir, |
123 | &dispc_dump_irqs, &dss_debug_fops); | |
853525d7 | 124 | #endif |
dfc0fd8d | 125 | |
853525d7 | 126 | #if defined(CONFIG_OMAP2_DSS_DSI) && defined(CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS) |
dfc0fd8d TV |
127 | debugfs_create_file("dsi_irq", S_IRUGO, dss_debugfs_dir, |
128 | &dsi_dump_irqs, &dss_debug_fops); | |
129 | #endif | |
130 | ||
559d6701 TV |
131 | debugfs_create_file("dss", S_IRUGO, dss_debugfs_dir, |
132 | &dss_dump_regs, &dss_debug_fops); | |
133 | debugfs_create_file("dispc", S_IRUGO, dss_debugfs_dir, | |
134 | &dispc_dump_regs, &dss_debug_fops); | |
135 | #ifdef CONFIG_OMAP2_DSS_RFBI | |
136 | debugfs_create_file("rfbi", S_IRUGO, dss_debugfs_dir, | |
137 | &rfbi_dump_regs, &dss_debug_fops); | |
138 | #endif | |
139 | #ifdef CONFIG_OMAP2_DSS_DSI | |
140 | debugfs_create_file("dsi", S_IRUGO, dss_debugfs_dir, | |
141 | &dsi_dump_regs, &dss_debug_fops); | |
142 | #endif | |
143 | #ifdef CONFIG_OMAP2_DSS_VENC | |
144 | debugfs_create_file("venc", S_IRUGO, dss_debugfs_dir, | |
145 | &venc_dump_regs, &dss_debug_fops); | |
146 | #endif | |
147 | return 0; | |
148 | } | |
149 | ||
150 | static void dss_uninitialize_debugfs(void) | |
151 | { | |
152 | if (dss_debugfs_dir) | |
153 | debugfs_remove_recursive(dss_debugfs_dir); | |
154 | } | |
368a148e JN |
155 | #else /* CONFIG_DEBUG_FS && CONFIG_OMAP2_DSS_DEBUG_SUPPORT */ |
156 | static inline int dss_initialize_debugfs(void) | |
157 | { | |
158 | return 0; | |
159 | } | |
160 | static inline void dss_uninitialize_debugfs(void) | |
161 | { | |
162 | } | |
559d6701 TV |
163 | #endif /* CONFIG_DEBUG_FS && CONFIG_OMAP2_DSS_DEBUG_SUPPORT */ |
164 | ||
165 | /* PLATFORM DEVICE */ | |
166 | static int omap_dss_probe(struct platform_device *pdev) | |
167 | { | |
168 | struct omap_dss_board_info *pdata = pdev->dev.platform_data; | |
169 | int skip_init = 0; | |
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 | ||
8b9cb3a8 | 186 | /* keep clocks enabled to prevent context saves/restores during init */ |
6af9cd14 | 187 | dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK); |
8b9cb3a8 | 188 | |
3448d500 | 189 | r = rfbi_init_platform_driver(); |
559d6701 | 190 | if (r) { |
3448d500 | 191 | DSSERR("Failed to initialize rfbi platform driver\n"); |
fce064cb | 192 | goto err_rfbi; |
559d6701 | 193 | } |
559d6701 | 194 | |
8a2cfea8 | 195 | r = dpi_init(pdev); |
559d6701 TV |
196 | if (r) { |
197 | DSSERR("Failed to initialize dpi\n"); | |
fce064cb | 198 | goto err_dpi; |
559d6701 TV |
199 | } |
200 | ||
060b6d9c | 201 | r = dispc_init_platform_driver(); |
559d6701 | 202 | if (r) { |
060b6d9c | 203 | DSSERR("Failed to initialize dispc platform driver\n"); |
fce064cb | 204 | goto err_dispc; |
559d6701 | 205 | } |
368a148e | 206 | |
30ea50c9 | 207 | r = venc_init_platform_driver(); |
559d6701 | 208 | if (r) { |
30ea50c9 | 209 | DSSERR("Failed to initialize venc platform driver\n"); |
fce064cb | 210 | goto err_venc; |
559d6701 | 211 | } |
368a148e | 212 | |
96c401bc SG |
213 | #ifdef CONFIG_FB_OMAP_BOOTLOADER_INIT |
214 | /* DISPC_CONTROL */ | |
215 | if (omap_readl(0x48050440) & 1) /* LCD enabled? */ | |
216 | skip_init = 1; | |
217 | #endif | |
559d6701 | 218 | if (cpu_is_omap34xx()) { |
559d6701 TV |
219 | r = sdi_init(skip_init); |
220 | if (r) { | |
221 | DSSERR("Failed to initialize SDI\n"); | |
fce064cb | 222 | goto err_sdi; |
559d6701 | 223 | } |
368a148e | 224 | |
c8aac01b | 225 | r = dsi_init_platform_driver(); |
559d6701 | 226 | if (r) { |
c8aac01b | 227 | DSSERR("Failed to initialize DSI platform driver\n"); |
fce064cb | 228 | goto err_dsi; |
559d6701 | 229 | } |
559d6701 TV |
230 | } |
231 | ||
559d6701 TV |
232 | r = dss_initialize_debugfs(); |
233 | if (r) | |
fce064cb | 234 | goto err_debugfs; |
559d6701 TV |
235 | |
236 | for (i = 0; i < pdata->num_devices; ++i) { | |
237 | struct omap_dss_device *dssdev = pdata->devices[i]; | |
238 | ||
239 | r = omap_dss_register_device(dssdev); | |
fce064cb JN |
240 | if (r) { |
241 | DSSERR("device %d %s register failed %d\n", i, | |
242 | dssdev->name ?: "unnamed", r); | |
243 | ||
244 | while (--i >= 0) | |
245 | omap_dss_unregister_device(pdata->devices[i]); | |
246 | ||
247 | goto err_register; | |
248 | } | |
559d6701 TV |
249 | |
250 | if (def_disp_name && strcmp(def_disp_name, dssdev->name) == 0) | |
251 | pdata->default_device = dssdev; | |
252 | } | |
253 | ||
6af9cd14 | 254 | dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK); |
559d6701 TV |
255 | |
256 | return 0; | |
257 | ||
fce064cb JN |
258 | err_register: |
259 | dss_uninitialize_debugfs(); | |
260 | err_debugfs: | |
261 | if (cpu_is_omap34xx()) | |
c8aac01b | 262 | dsi_uninit_platform_driver(); |
fce064cb JN |
263 | err_dsi: |
264 | if (cpu_is_omap34xx()) | |
265 | sdi_exit(); | |
266 | err_sdi: | |
30ea50c9 | 267 | venc_uninit_platform_driver(); |
fce064cb | 268 | err_venc: |
060b6d9c | 269 | dispc_uninit_platform_driver(); |
fce064cb JN |
270 | err_dispc: |
271 | dpi_exit(); | |
272 | err_dpi: | |
3448d500 | 273 | rfbi_uninit_platform_driver(); |
fce064cb | 274 | err_rfbi: |
96c401bc | 275 | dss_uninit_platform_driver(); |
fce064cb | 276 | err_dss: |
fce064cb | 277 | |
559d6701 TV |
278 | return r; |
279 | } | |
280 | ||
281 | static int omap_dss_remove(struct platform_device *pdev) | |
282 | { | |
283 | struct omap_dss_board_info *pdata = pdev->dev.platform_data; | |
284 | int i; | |
559d6701 | 285 | |
559d6701 | 286 | dss_uninitialize_debugfs(); |
559d6701 | 287 | |
30ea50c9 | 288 | venc_uninit_platform_driver(); |
060b6d9c | 289 | dispc_uninit_platform_driver(); |
559d6701 | 290 | dpi_exit(); |
3448d500 | 291 | rfbi_uninit_platform_driver(); |
559d6701 | 292 | if (cpu_is_omap34xx()) { |
c8aac01b | 293 | dsi_uninit_platform_driver(); |
559d6701 | 294 | sdi_exit(); |
559d6701 TV |
295 | } |
296 | ||
96c401bc | 297 | dss_uninit_platform_driver(); |
559d6701 | 298 | |
559d6701 TV |
299 | dss_uninit_overlays(pdev); |
300 | dss_uninit_overlay_managers(pdev); | |
301 | ||
302 | for (i = 0; i < pdata->num_devices; ++i) | |
303 | omap_dss_unregister_device(pdata->devices[i]); | |
304 | ||
305 | return 0; | |
306 | } | |
307 | ||
308 | static void omap_dss_shutdown(struct platform_device *pdev) | |
309 | { | |
310 | DSSDBG("shutdown\n"); | |
311 | dss_disable_all_devices(); | |
312 | } | |
313 | ||
314 | static int omap_dss_suspend(struct platform_device *pdev, pm_message_t state) | |
315 | { | |
316 | DSSDBG("suspend %d\n", state.event); | |
317 | ||
318 | return dss_suspend_all_devices(); | |
319 | } | |
320 | ||
321 | static int omap_dss_resume(struct platform_device *pdev) | |
322 | { | |
323 | DSSDBG("resume\n"); | |
324 | ||
325 | return dss_resume_all_devices(); | |
326 | } | |
327 | ||
328 | static struct platform_driver omap_dss_driver = { | |
329 | .probe = omap_dss_probe, | |
330 | .remove = omap_dss_remove, | |
331 | .shutdown = omap_dss_shutdown, | |
332 | .suspend = omap_dss_suspend, | |
333 | .resume = omap_dss_resume, | |
334 | .driver = { | |
335 | .name = "omapdss", | |
336 | .owner = THIS_MODULE, | |
337 | }, | |
338 | }; | |
339 | ||
340 | /* BUS */ | |
341 | static int dss_bus_match(struct device *dev, struct device_driver *driver) | |
342 | { | |
343 | struct omap_dss_device *dssdev = to_dss_device(dev); | |
344 | ||
345 | DSSDBG("bus_match. dev %s/%s, drv %s\n", | |
346 | dev_name(dev), dssdev->driver_name, driver->name); | |
347 | ||
348 | return strcmp(dssdev->driver_name, driver->name) == 0; | |
349 | } | |
350 | ||
351 | static ssize_t device_name_show(struct device *dev, | |
352 | struct device_attribute *attr, char *buf) | |
353 | { | |
354 | struct omap_dss_device *dssdev = to_dss_device(dev); | |
355 | return snprintf(buf, PAGE_SIZE, "%s\n", | |
356 | dssdev->name ? | |
357 | dssdev->name : ""); | |
358 | } | |
359 | ||
360 | static struct device_attribute default_dev_attrs[] = { | |
361 | __ATTR(name, S_IRUGO, device_name_show, NULL), | |
362 | __ATTR_NULL, | |
363 | }; | |
364 | ||
365 | static ssize_t driver_name_show(struct device_driver *drv, char *buf) | |
366 | { | |
367 | struct omap_dss_driver *dssdrv = to_dss_driver(drv); | |
368 | return snprintf(buf, PAGE_SIZE, "%s\n", | |
369 | dssdrv->driver.name ? | |
370 | dssdrv->driver.name : ""); | |
371 | } | |
372 | static struct driver_attribute default_drv_attrs[] = { | |
373 | __ATTR(name, S_IRUGO, driver_name_show, NULL), | |
374 | __ATTR_NULL, | |
375 | }; | |
376 | ||
377 | static struct bus_type dss_bus_type = { | |
378 | .name = "omapdss", | |
379 | .match = dss_bus_match, | |
380 | .dev_attrs = default_dev_attrs, | |
381 | .drv_attrs = default_drv_attrs, | |
382 | }; | |
383 | ||
384 | static void dss_bus_release(struct device *dev) | |
385 | { | |
386 | DSSDBG("bus_release\n"); | |
387 | } | |
388 | ||
389 | static struct device dss_bus = { | |
390 | .release = dss_bus_release, | |
391 | }; | |
392 | ||
393 | struct bus_type *dss_get_bus(void) | |
394 | { | |
395 | return &dss_bus_type; | |
396 | } | |
397 | ||
398 | /* DRIVER */ | |
399 | static int dss_driver_probe(struct device *dev) | |
400 | { | |
401 | int r; | |
402 | struct omap_dss_driver *dssdrv = to_dss_driver(dev->driver); | |
403 | struct omap_dss_device *dssdev = to_dss_device(dev); | |
404 | struct omap_dss_board_info *pdata = core.pdev->dev.platform_data; | |
405 | bool force; | |
406 | ||
407 | DSSDBG("driver_probe: dev %s/%s, drv %s\n", | |
408 | dev_name(dev), dssdev->driver_name, | |
409 | dssdrv->driver.name); | |
410 | ||
411 | dss_init_device(core.pdev, dssdev); | |
412 | ||
e020f9af TV |
413 | force = pdata->default_device == dssdev; |
414 | dss_recheck_connections(dssdev, force); | |
559d6701 TV |
415 | |
416 | r = dssdrv->probe(dssdev); | |
417 | ||
418 | if (r) { | |
419 | DSSERR("driver probe failed: %d\n", r); | |
c121b152 | 420 | dss_uninit_device(core.pdev, dssdev); |
559d6701 TV |
421 | return r; |
422 | } | |
423 | ||
424 | DSSDBG("probe done for device %s\n", dev_name(dev)); | |
425 | ||
426 | dssdev->driver = dssdrv; | |
427 | ||
428 | return 0; | |
429 | } | |
430 | ||
431 | static int dss_driver_remove(struct device *dev) | |
432 | { | |
433 | struct omap_dss_driver *dssdrv = to_dss_driver(dev->driver); | |
434 | struct omap_dss_device *dssdev = to_dss_device(dev); | |
435 | ||
436 | DSSDBG("driver_remove: dev %s/%s\n", dev_name(dev), | |
437 | dssdev->driver_name); | |
438 | ||
439 | dssdrv->remove(dssdev); | |
440 | ||
441 | dss_uninit_device(core.pdev, dssdev); | |
442 | ||
443 | dssdev->driver = NULL; | |
444 | ||
445 | return 0; | |
446 | } | |
447 | ||
448 | int omap_dss_register_driver(struct omap_dss_driver *dssdriver) | |
449 | { | |
450 | dssdriver->driver.bus = &dss_bus_type; | |
451 | dssdriver->driver.probe = dss_driver_probe; | |
452 | dssdriver->driver.remove = dss_driver_remove; | |
96adcece TV |
453 | |
454 | if (dssdriver->get_resolution == NULL) | |
455 | dssdriver->get_resolution = omapdss_default_get_resolution; | |
a2699504 TV |
456 | if (dssdriver->get_recommended_bpp == NULL) |
457 | dssdriver->get_recommended_bpp = | |
458 | omapdss_default_get_recommended_bpp; | |
96adcece | 459 | |
559d6701 TV |
460 | return driver_register(&dssdriver->driver); |
461 | } | |
462 | EXPORT_SYMBOL(omap_dss_register_driver); | |
463 | ||
464 | void omap_dss_unregister_driver(struct omap_dss_driver *dssdriver) | |
465 | { | |
466 | driver_unregister(&dssdriver->driver); | |
467 | } | |
468 | EXPORT_SYMBOL(omap_dss_unregister_driver); | |
469 | ||
470 | /* DEVICE */ | |
471 | static void reset_device(struct device *dev, int check) | |
472 | { | |
473 | u8 *dev_p = (u8 *)dev; | |
474 | u8 *dev_end = dev_p + sizeof(*dev); | |
475 | void *saved_pdata; | |
476 | ||
477 | saved_pdata = dev->platform_data; | |
478 | if (check) { | |
479 | /* | |
480 | * Check if there is any other setting than platform_data | |
481 | * in struct device; warn that these will be reset by our | |
482 | * init. | |
483 | */ | |
484 | dev->platform_data = NULL; | |
485 | while (dev_p < dev_end) { | |
486 | if (*dev_p) { | |
487 | WARN("%s: struct device fields will be " | |
488 | "discarded\n", | |
489 | __func__); | |
490 | break; | |
491 | } | |
492 | dev_p++; | |
493 | } | |
494 | } | |
495 | memset(dev, 0, sizeof(*dev)); | |
496 | dev->platform_data = saved_pdata; | |
497 | } | |
498 | ||
499 | ||
500 | static void omap_dss_dev_release(struct device *dev) | |
501 | { | |
502 | reset_device(dev, 0); | |
503 | } | |
504 | ||
505 | int omap_dss_register_device(struct omap_dss_device *dssdev) | |
506 | { | |
507 | static int dev_num; | |
559d6701 TV |
508 | |
509 | WARN_ON(!dssdev->driver_name); | |
510 | ||
511 | reset_device(&dssdev->dev, 1); | |
512 | dssdev->dev.bus = &dss_bus_type; | |
513 | dssdev->dev.parent = &dss_bus; | |
514 | dssdev->dev.release = omap_dss_dev_release; | |
515 | dev_set_name(&dssdev->dev, "display%d", dev_num++); | |
e020f9af | 516 | return device_register(&dssdev->dev); |
559d6701 TV |
517 | } |
518 | ||
519 | void omap_dss_unregister_device(struct omap_dss_device *dssdev) | |
520 | { | |
521 | device_unregister(&dssdev->dev); | |
559d6701 TV |
522 | } |
523 | ||
524 | /* BUS */ | |
525 | static int omap_dss_bus_register(void) | |
526 | { | |
527 | int r; | |
528 | ||
529 | r = bus_register(&dss_bus_type); | |
530 | if (r) { | |
531 | DSSERR("bus register failed\n"); | |
532 | return r; | |
533 | } | |
534 | ||
535 | dev_set_name(&dss_bus, "omapdss"); | |
536 | r = device_register(&dss_bus); | |
537 | if (r) { | |
538 | DSSERR("bus driver register failed\n"); | |
539 | bus_unregister(&dss_bus_type); | |
540 | return r; | |
541 | } | |
542 | ||
543 | return 0; | |
544 | } | |
545 | ||
546 | /* INIT */ | |
547 | ||
548 | #ifdef CONFIG_OMAP2_DSS_MODULE | |
549 | static void omap_dss_bus_unregister(void) | |
550 | { | |
551 | device_unregister(&dss_bus); | |
552 | ||
553 | bus_unregister(&dss_bus_type); | |
554 | } | |
555 | ||
556 | static int __init omap_dss_init(void) | |
557 | { | |
558 | int r; | |
559 | ||
560 | r = omap_dss_bus_register(); | |
561 | if (r) | |
562 | return r; | |
563 | ||
564 | r = platform_driver_register(&omap_dss_driver); | |
565 | if (r) { | |
566 | omap_dss_bus_unregister(); | |
567 | return r; | |
568 | } | |
569 | ||
570 | return 0; | |
571 | } | |
572 | ||
573 | static void __exit omap_dss_exit(void) | |
574 | { | |
8a2cfea8 TV |
575 | if (core.vdds_dsi_reg != NULL) { |
576 | regulator_put(core.vdds_dsi_reg); | |
577 | core.vdds_dsi_reg = NULL; | |
578 | } | |
579 | ||
580 | if (core.vdds_sdi_reg != NULL) { | |
581 | regulator_put(core.vdds_sdi_reg); | |
582 | core.vdds_sdi_reg = NULL; | |
583 | } | |
584 | ||
559d6701 TV |
585 | platform_driver_unregister(&omap_dss_driver); |
586 | ||
587 | omap_dss_bus_unregister(); | |
588 | } | |
589 | ||
590 | module_init(omap_dss_init); | |
591 | module_exit(omap_dss_exit); | |
592 | #else | |
593 | static int __init omap_dss_init(void) | |
594 | { | |
595 | return omap_dss_bus_register(); | |
596 | } | |
597 | ||
598 | static int __init omap_dss_init2(void) | |
599 | { | |
600 | return platform_driver_register(&omap_dss_driver); | |
601 | } | |
602 | ||
603 | core_initcall(omap_dss_init); | |
604 | device_initcall(omap_dss_init2); | |
605 | #endif | |
606 | ||
607 | MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@nokia.com>"); | |
608 | MODULE_DESCRIPTION("OMAP2/3 Display Subsystem"); | |
609 | MODULE_LICENSE("GPL v2"); | |
610 |