diff options
Diffstat (limited to 'drivers/video/xilinxfb.c')
-rw-r--r-- | drivers/video/xilinxfb.c | 59 |
1 files changed, 23 insertions, 36 deletions
diff --git a/drivers/video/xilinxfb.c b/drivers/video/xilinxfb.c index 7a868bd16e0e..ed7c8d0ddccb 100644 --- a/drivers/video/xilinxfb.c +++ b/drivers/video/xilinxfb.c | |||
@@ -124,7 +124,6 @@ struct xilinxfb_drvdata { | |||
124 | registers */ | 124 | registers */ |
125 | 125 | ||
126 | dcr_host_t dcr_host; | 126 | dcr_host_t dcr_host; |
127 | unsigned int dcr_start; | ||
128 | unsigned int dcr_len; | 127 | unsigned int dcr_len; |
129 | 128 | ||
130 | void *fb_virt; /* virt. address of the frame buffer */ | 129 | void *fb_virt; /* virt. address of the frame buffer */ |
@@ -325,8 +324,8 @@ static int xilinxfb_assign(struct device *dev, | |||
325 | drvdata->regs); | 324 | drvdata->regs); |
326 | } | 325 | } |
327 | /* Put a banner in the log (for DEBUG) */ | 326 | /* Put a banner in the log (for DEBUG) */ |
328 | dev_dbg(dev, "fb: phys=%p, virt=%p, size=%x\n", | 327 | dev_dbg(dev, "fb: phys=%llx, virt=%p, size=%x\n", |
329 | (void *)drvdata->fb_phys, drvdata->fb_virt, fbsize); | 328 | (unsigned long long)drvdata->fb_phys, drvdata->fb_virt, fbsize); |
330 | 329 | ||
331 | return 0; /* success */ | 330 | return 0; /* success */ |
332 | 331 | ||
@@ -404,9 +403,7 @@ xilinxfb_of_probe(struct of_device *op, const struct of_device_id *match) | |||
404 | u32 tft_access; | 403 | u32 tft_access; |
405 | struct xilinxfb_platform_data pdata; | 404 | struct xilinxfb_platform_data pdata; |
406 | struct resource res; | 405 | struct resource res; |
407 | int size, rc; | 406 | int size, rc, start; |
408 | int start = 0, len = 0; | ||
409 | dcr_host_t dcr_host; | ||
410 | struct xilinxfb_drvdata *drvdata; | 407 | struct xilinxfb_drvdata *drvdata; |
411 | 408 | ||
412 | /* Copy with the default pdata (not a ptr reference!) */ | 409 | /* Copy with the default pdata (not a ptr reference!) */ |
@@ -414,35 +411,39 @@ xilinxfb_of_probe(struct of_device *op, const struct of_device_id *match) | |||
414 | 411 | ||
415 | dev_dbg(&op->dev, "xilinxfb_of_probe(%p, %p)\n", op, match); | 412 | dev_dbg(&op->dev, "xilinxfb_of_probe(%p, %p)\n", op, match); |
416 | 413 | ||
414 | /* Allocate the driver data region */ | ||
415 | drvdata = kzalloc(sizeof(*drvdata), GFP_KERNEL); | ||
416 | if (!drvdata) { | ||
417 | dev_err(&op->dev, "Couldn't allocate device private record\n"); | ||
418 | return -ENOMEM; | ||
419 | } | ||
420 | |||
417 | /* | 421 | /* |
418 | * To check whether the core is connected directly to DCR or PLB | 422 | * To check whether the core is connected directly to DCR or PLB |
419 | * interface and initialize the tft_access accordingly. | 423 | * interface and initialize the tft_access accordingly. |
420 | */ | 424 | */ |
421 | p = (u32 *)of_get_property(op->node, "xlnx,dcr-splb-slave-if", NULL); | 425 | p = (u32 *)of_get_property(op->node, "xlnx,dcr-splb-slave-if", NULL); |
422 | 426 | tft_access = p ? *p : 0; | |
423 | if (p) | ||
424 | tft_access = *p; | ||
425 | else | ||
426 | tft_access = 0; /* For backward compatibility */ | ||
427 | 427 | ||
428 | /* | 428 | /* |
429 | * Fill the resource structure if its direct PLB interface | 429 | * Fill the resource structure if its direct PLB interface |
430 | * otherwise fill the dcr_host structure. | 430 | * otherwise fill the dcr_host structure. |
431 | */ | 431 | */ |
432 | if (tft_access) { | 432 | if (tft_access) { |
433 | drvdata->flags |= PLB_ACCESS_FLAG; | ||
433 | rc = of_address_to_resource(op->node, 0, &res); | 434 | rc = of_address_to_resource(op->node, 0, &res); |
434 | if (rc) { | 435 | if (rc) { |
435 | dev_err(&op->dev, "invalid address\n"); | 436 | dev_err(&op->dev, "invalid address\n"); |
436 | return -ENODEV; | 437 | goto err; |
437 | } | 438 | } |
438 | |||
439 | } else { | 439 | } else { |
440 | res.start = 0; | ||
440 | start = dcr_resource_start(op->node, 0); | 441 | start = dcr_resource_start(op->node, 0); |
441 | len = dcr_resource_len(op->node, 0); | 442 | drvdata->dcr_len = dcr_resource_len(op->node, 0); |
442 | dcr_host = dcr_map(op->node, start, len); | 443 | drvdata->dcr_host = dcr_map(op->node, start, drvdata->dcr_len); |
443 | if (!DCR_MAP_OK(dcr_host)) { | 444 | if (!DCR_MAP_OK(drvdata->dcr_host)) { |
444 | dev_err(&op->dev, "invalid address\n"); | 445 | dev_err(&op->dev, "invalid DCR address\n"); |
445 | return -ENODEV; | 446 | goto err; |
446 | } | 447 | } |
447 | } | 448 | } |
448 | 449 | ||
@@ -467,26 +468,12 @@ xilinxfb_of_probe(struct of_device *op, const struct of_device_id *match) | |||
467 | if (of_find_property(op->node, "rotate-display", NULL)) | 468 | if (of_find_property(op->node, "rotate-display", NULL)) |
468 | pdata.rotate_screen = 1; | 469 | pdata.rotate_screen = 1; |
469 | 470 | ||
470 | /* Allocate the driver data region */ | ||
471 | drvdata = kzalloc(sizeof(*drvdata), GFP_KERNEL); | ||
472 | if (!drvdata) { | ||
473 | dev_err(&op->dev, "Couldn't allocate device private record\n"); | ||
474 | return -ENOMEM; | ||
475 | } | ||
476 | dev_set_drvdata(&op->dev, drvdata); | 471 | dev_set_drvdata(&op->dev, drvdata); |
472 | return xilinxfb_assign(&op->dev, drvdata, res.start, &pdata); | ||
477 | 473 | ||
478 | if (tft_access) | 474 | err: |
479 | drvdata->flags |= PLB_ACCESS_FLAG; | 475 | kfree(drvdata); |
480 | 476 | return -ENODEV; | |
481 | /* Arguments are passed based on the interface */ | ||
482 | if (drvdata->flags & PLB_ACCESS_FLAG) { | ||
483 | return xilinxfb_assign(&op->dev, drvdata, res.start, &pdata); | ||
484 | } else { | ||
485 | drvdata->dcr_start = start; | ||
486 | drvdata->dcr_len = len; | ||
487 | drvdata->dcr_host = dcr_host; | ||
488 | return xilinxfb_assign(&op->dev, drvdata, 0, &pdata); | ||
489 | } | ||
490 | } | 477 | } |
491 | 478 | ||
492 | static int __devexit xilinxfb_of_remove(struct of_device *op) | 479 | static int __devexit xilinxfb_of_remove(struct of_device *op) |