Save original PCI attributes in start() function and restore it in Stop() for those...

[mirror_edk2.git] / MdeModulePkg / Bus / Pci / UhciDxe / Uhci.h

diff --git a/MdeModulePkg/Bus/Pci/UhciDxe/Uhci.h b/MdeModulePkg/Bus/Pci/UhciDxe/Uhci.h
index 3f2540faf7d1522c6f166eb19b50c609592f7dbe..e47679515b86833f5939d218d3c9aba27046b8e0 100644 (file)
--- a/MdeModulePkg/Bus/Pci/UhciDxe/Uhci.h
+++ b/MdeModulePkg/Bus/Pci/UhciDxe/Uhci.h
@@ -51,17 +51,35 @@ typedef struct _USB_HC_DEV  USB_HC_DEV;
 #include "UhciDebug.h"\r
 \r
 enum {\r
+  UHC_1_MICROSECOND             = 1,\r
+  UHC_1_MILLISECOND             = 1000 * UHC_1_MICROSECOND,\r
+  UHC_1_SECOND                  = 1000 * UHC_1_MILLISECOND,\r
+\r
   //\r
-  // Stall times\r
+  // UHCI register operation timeout, set by experience\r
   //\r
-  STALL_1_MS               = 1000,\r
-  STALL_1_SECOND           = 1000 *STALL_1_MS,\r
+  UHC_GENERIC_TIMEOUT           = UHC_1_SECOND,\r
 \r
-  UHC_SYN_POLL             = 50,\r
-  FORCE_GLOBAL_RESUME_TIME = 20 *STALL_1_MS,\r
-  ROOT_PORT_REST_TIME      = 50 *STALL_1_MS,\r
-  PORT_RESET_RECOVERY_TIME = 10 *STALL_1_MS,\r
-  INTERRUPT_POLLING_TIME   = 50 * 10000UL,\r
+  //\r
+  // Wait for force global resume(FGR) complete, refers to\r
+  // specification[UHCI11-2.1.1]\r
+  //\r
+  UHC_FORCE_GLOBAL_RESUME_STALL = 20 * UHC_1_MILLISECOND,\r
+\r
+  //\r
+  // Wait for roothub port reset and recovery, reset stall\r
+  // is set by experience, and recovery stall refers to\r
+  // specification[UHCI11-2.1.1]\r
+  //\r
+  UHC_ROOT_PORT_RESET_STALL     = 50 * UHC_1_MILLISECOND,\r
+  UHC_ROOT_PORT_RECOVERY_STALL  = 10 * UHC_1_MILLISECOND,\r
+\r
+  //\r
+  // Sync and Async transfer polling interval, set by experience,\r
+  // and the unit of Async is 100us.\r
+  //\r
+  UHC_SYNC_POLL_INTERVAL        = 50 * UHC_1_MICROSECOND,\r
+  UHC_ASYNC_POLL_INTERVAL       = 50 * 10000UL,\r
 \r
   //\r
   // UHC raises TPL to TPL_NOTIFY to serialize all its operations\r
@@ -69,7 +87,7 @@ enum {
   //\r
   UHCI_TPL                 = TPL_NOTIFY,\r
 \r
-  USB_HC_DEV_SIGNATURE     = EFI_SIGNATURE_32 ('u', 'h', 'c', 'i')\r
+  USB_HC_DEV_SIGNATURE          = EFI_SIGNATURE_32 ('u', 'h', 'c', 'i')\r
 };\r
 \r
 #pragma pack(1)\r
@@ -99,6 +117,7 @@ struct _USB_HC_DEV {
   EFI_USB_HC_PROTOCOL       UsbHc;\r
   EFI_USB2_HC_PROTOCOL      Usb2Hc;\r
   EFI_PCI_IO_PROTOCOL       *PciIo;\r
+  UINT64                    OriginalPciAttributes;\r
 \r
   //\r
   // Schedule data structures\r