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path: root/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
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Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_hdmi.c')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_hdmi.c87
1 files changed, 4 insertions, 83 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
index ed86bddf81da..14eb26b0ba1c 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
@@ -38,7 +38,6 @@ struct drm_hdmi_context {
38 struct exynos_drm_subdrv subdrv; 38 struct exynos_drm_subdrv subdrv;
39 struct exynos_drm_hdmi_context *hdmi_ctx; 39 struct exynos_drm_hdmi_context *hdmi_ctx;
40 struct exynos_drm_hdmi_context *mixer_ctx; 40 struct exynos_drm_hdmi_context *mixer_ctx;
41 struct work_struct work;
42}; 41};
43 42
44void exynos_drm_display_ops_register(struct exynos_hdmi_display_ops 43void exynos_drm_display_ops_register(struct exynos_hdmi_display_ops
@@ -49,7 +48,6 @@ void exynos_drm_display_ops_register(struct exynos_hdmi_display_ops
49 if (display_ops) 48 if (display_ops)
50 hdmi_display_ops = display_ops; 49 hdmi_display_ops = display_ops;
51} 50}
52EXPORT_SYMBOL(exynos_drm_display_ops_register);
53 51
54void exynos_drm_manager_ops_register(struct exynos_hdmi_manager_ops 52void exynos_drm_manager_ops_register(struct exynos_hdmi_manager_ops
55 *manager_ops) 53 *manager_ops)
@@ -59,7 +57,6 @@ void exynos_drm_manager_ops_register(struct exynos_hdmi_manager_ops
59 if (manager_ops) 57 if (manager_ops)
60 hdmi_manager_ops = manager_ops; 58 hdmi_manager_ops = manager_ops;
61} 59}
62EXPORT_SYMBOL(exynos_drm_manager_ops_register);
63 60
64void exynos_drm_overlay_ops_register(struct exynos_hdmi_overlay_ops 61void exynos_drm_overlay_ops_register(struct exynos_hdmi_overlay_ops
65 *overlay_ops) 62 *overlay_ops)
@@ -69,7 +66,6 @@ void exynos_drm_overlay_ops_register(struct exynos_hdmi_overlay_ops
69 if (overlay_ops) 66 if (overlay_ops)
70 hdmi_overlay_ops = overlay_ops; 67 hdmi_overlay_ops = overlay_ops;
71} 68}
72EXPORT_SYMBOL(exynos_drm_overlay_ops_register);
73 69
74static bool drm_hdmi_is_connected(struct device *dev) 70static bool drm_hdmi_is_connected(struct device *dev)
75{ 71{
@@ -277,7 +273,6 @@ static int hdmi_subdrv_probe(struct drm_device *drm_dev,
277 struct drm_hdmi_context *ctx; 273 struct drm_hdmi_context *ctx;
278 struct platform_device *pdev = to_platform_device(dev); 274 struct platform_device *pdev = to_platform_device(dev);
279 struct exynos_drm_common_hdmi_pd *pd; 275 struct exynos_drm_common_hdmi_pd *pd;
280 int ret;
281 276
282 DRM_DEBUG_KMS("%s\n", __FILE__); 277 DRM_DEBUG_KMS("%s\n", __FILE__);
283 278
@@ -298,26 +293,13 @@ static int hdmi_subdrv_probe(struct drm_device *drm_dev,
298 return -EFAULT; 293 return -EFAULT;
299 } 294 }
300 295
301 ret = platform_driver_register(&hdmi_driver);
302 if (ret) {
303 DRM_DEBUG_KMS("failed to register hdmi driver.\n");
304 return ret;
305 }
306
307 ret = platform_driver_register(&mixer_driver);
308 if (ret) {
309 DRM_DEBUG_KMS("failed to register mixer driver.\n");
310 goto err_hdmidrv;
311 }
312
313 ctx = get_ctx_from_subdrv(subdrv); 296 ctx = get_ctx_from_subdrv(subdrv);
314 297
315 ctx->hdmi_ctx = (struct exynos_drm_hdmi_context *) 298 ctx->hdmi_ctx = (struct exynos_drm_hdmi_context *)
316 to_context(pd->hdmi_dev); 299 to_context(pd->hdmi_dev);
317 if (!ctx->hdmi_ctx) { 300 if (!ctx->hdmi_ctx) {
318 DRM_DEBUG_KMS("hdmi context is null.\n"); 301 DRM_DEBUG_KMS("hdmi context is null.\n");
319 ret = -EFAULT; 302 return -EFAULT;
320 goto err_mixerdrv;
321 } 303 }
322 304
323 ctx->hdmi_ctx->drm_dev = drm_dev; 305 ctx->hdmi_ctx->drm_dev = drm_dev;
@@ -326,42 +308,12 @@ static int hdmi_subdrv_probe(struct drm_device *drm_dev,
326 to_context(pd->mixer_dev); 308 to_context(pd->mixer_dev);
327 if (!ctx->mixer_ctx) { 309 if (!ctx->mixer_ctx) {
328 DRM_DEBUG_KMS("mixer context is null.\n"); 310 DRM_DEBUG_KMS("mixer context is null.\n");
329 ret = -EFAULT; 311 return -EFAULT;
330 goto err_mixerdrv;
331 } 312 }
332 313
333 ctx->mixer_ctx->drm_dev = drm_dev; 314 ctx->mixer_ctx->drm_dev = drm_dev;
334 315
335 return 0; 316 return 0;
336
337err_mixerdrv:
338 platform_driver_unregister(&mixer_driver);
339err_hdmidrv:
340 platform_driver_unregister(&hdmi_driver);
341 return ret;
342}
343
344static void hdmi_subdrv_remove(struct drm_device *drm_dev)
345{
346 DRM_DEBUG_KMS("%s\n", __FILE__);
347
348 platform_driver_unregister(&hdmi_driver);
349 platform_driver_unregister(&mixer_driver);
350}
351
352static void exynos_drm_hdmi_late_probe(struct work_struct *work)
353{
354 struct drm_hdmi_context *ctx = container_of(work,
355 struct drm_hdmi_context, work);
356
357 /*
358 * this function calls subdrv->probe() so this must be called
359 * after probe context.
360 *
361 * PS. subdrv->probe() will call platform_driver_register() to probe
362 * hdmi and mixer driver.
363 */
364 exynos_drm_subdrv_register(&ctx->subdrv);
365} 317}
366 318
367static int __devinit exynos_drm_hdmi_probe(struct platform_device *pdev) 319static int __devinit exynos_drm_hdmi_probe(struct platform_device *pdev)
@@ -381,7 +333,6 @@ static int __devinit exynos_drm_hdmi_probe(struct platform_device *pdev)
381 subdrv = &ctx->subdrv; 333 subdrv = &ctx->subdrv;
382 334
383 subdrv->probe = hdmi_subdrv_probe; 335 subdrv->probe = hdmi_subdrv_probe;
384 subdrv->remove = hdmi_subdrv_remove;
385 subdrv->manager.pipe = -1; 336 subdrv->manager.pipe = -1;
386 subdrv->manager.ops = &drm_hdmi_manager_ops; 337 subdrv->manager.ops = &drm_hdmi_manager_ops;
387 subdrv->manager.overlay_ops = &drm_hdmi_overlay_ops; 338 subdrv->manager.overlay_ops = &drm_hdmi_overlay_ops;
@@ -390,9 +341,7 @@ static int __devinit exynos_drm_hdmi_probe(struct platform_device *pdev)
390 341
391 platform_set_drvdata(pdev, subdrv); 342 platform_set_drvdata(pdev, subdrv);
392 343
393 INIT_WORK(&ctx->work, exynos_drm_hdmi_late_probe); 344 exynos_drm_subdrv_register(subdrv);
394
395 schedule_work(&ctx->work);
396 345
397 return 0; 346 return 0;
398} 347}
@@ -428,7 +377,7 @@ static int __devexit exynos_drm_hdmi_remove(struct platform_device *pdev)
428 return 0; 377 return 0;
429} 378}
430 379
431static struct platform_driver exynos_drm_common_hdmi_driver = { 380struct platform_driver exynos_drm_common_hdmi_driver = {
432 .probe = exynos_drm_hdmi_probe, 381 .probe = exynos_drm_hdmi_probe,
433 .remove = __devexit_p(exynos_drm_hdmi_remove), 382 .remove = __devexit_p(exynos_drm_hdmi_remove),
434 .driver = { 383 .driver = {
@@ -437,31 +386,3 @@ static struct platform_driver exynos_drm_common_hdmi_driver = {
437 .pm = &hdmi_pm_ops, 386 .pm = &hdmi_pm_ops,
438 }, 387 },
439}; 388};
440
441static int __init exynos_drm_hdmi_init(void)
442{
443 int ret;
444
445 DRM_DEBUG_KMS("%s\n", __FILE__);
446
447 ret = platform_driver_register(&exynos_drm_common_hdmi_driver);
448 if (ret) {
449 DRM_DEBUG_KMS("failed to register hdmi common driver.\n");
450 return ret;
451 }
452
453 return ret;
454}
455
456static void __exit exynos_drm_hdmi_exit(void)
457{
458 platform_driver_unregister(&exynos_drm_common_hdmi_driver);
459}
460
461module_init(exynos_drm_hdmi_init);
462module_exit(exynos_drm_hdmi_exit);
463
464MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
465MODULE_AUTHOR("Seung-Woo Kim, <sw0312.kim@samsung.com>");
466MODULE_DESCRIPTION("Samsung SoC DRM HDMI Driver");
467MODULE_LICENSE("GPL");