| 1 | /*␊ |
| 2 | *␉AMDGraphicsEnabler Module␊ |
| 3 | *␉␉Enables many AMD/ATI HD cards to be used out of the box in OS X.␊ |
| 4 | *␉␉This was converted from boot2 code ( > r784) to a boot2 module.␊ |
| 5 | *␊ |
| 6 | */␊ |
| 7 | ␊ |
| 8 | #include "saio_internal.h"␊ |
| 9 | #include "bootstruct.h"␊ |
| 10 | #include "pci.h"␊ |
| 11 | #include "modules.h"␊ |
| 12 | ␊ |
| 13 | #define kGraphicsEnablerKey "GraphicsEnabler"␊ |
| 14 | ␊ |
| 15 | extern bool setup_ati_devprop(pci_dt_t *ati_dev);␊ |
| 16 | void GraphicsEnabler_hook(void* arg1, void* arg2, void* arg3, void* arg4);␊ |
| 17 | ␊ |
| 18 | ␊ |
| 19 | void AMDGraphicsEnabler_start()␊ |
| 20 | {␊ |
| 21 | ␉register_hook_callback("PCIDevice", &GraphicsEnabler_hook);␊ |
| 22 | }␊ |
| 23 | ␊ |
| 24 | void GraphicsEnabler_hook(void* arg1, void* arg2, void* arg3, void* arg4)␊ |
| 25 | {␊ |
| 26 | ␉pci_dt_t* current = arg1;␊ |
| 27 | ␉␊ |
| 28 | ␉if (current->class_id != PCI_CLASS_DISPLAY_VGA) return;␊ |
| 29 | ␉␊ |
| 30 | ␉char *devicepath = get_pci_dev_path(current);␊ |
| 31 | ␉␊ |
| 32 | ␉bool do_gfx_devprop = true;␊ |
| 33 | ␉getBoolForKey(kGraphicsEnablerKey, &do_gfx_devprop, &bootInfo->chameleonConfig);␊ |
| 34 | ␉␊ |
| 35 | ␉if (do_gfx_devprop && (current->vendor_id == PCI_VENDOR_ID_ATI))␊ |
| 36 | ␉{␊ |
| 37 | ␉␉verbose("AMD/ATI VGA Controller [%04x:%04x] :: %s \n",␊ |
| 38 | ␉␉␉␉current->vendor_id, current->device_id, devicepath);␊ |
| 39 | ␉␉setup_ati_devprop(current);␊ |
| 40 | ␉}␊ |
| 41 | ␉else␊ |
| 42 | ␉␉verbose("[%04x:%04x] :: %s, is not a AMD/ATI VGA Controller.\n",␊ |
| 43 | ␉␉␉␉current->vendor_id, current->device_id, devicepath);␊ |
| 44 | }␊ |
| 45 | |
