summaryrefslogtreecommitdiffstats
path: root/drivers/net/saa9730.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/saa9730.h')
-rw-r--r--drivers/net/saa9730.h36
1 files changed, 25 insertions, 11 deletions
diff --git a/drivers/net/saa9730.h b/drivers/net/saa9730.h
index 9e9da6b..a7e9d29 100644
--- a/drivers/net/saa9730.h
+++ b/drivers/net/saa9730.h
@@ -1,6 +1,7 @@
/*
- * Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
+ * Copyright (C) 2000, 2005 MIPS Technologies, Inc. All rights reserved.
+ * Authors: Carsten Langgaard <carstenl@mips.com>
+ * Maciej W. Rozycki <macro@mips.com>
*
* ########################################################################
*
@@ -265,6 +266,7 @@
/* The SAA9730 (LAN) controller register map, as seen via the PCI-bus. */
#define SAA9730_LAN_REGS_ADDR 0x20400
+#define SAA9730_LAN_REGS_SIZE 0x00400
struct lan_saa9730_regmap {
volatile unsigned int TxBuffA; /* 0x20400 */
@@ -309,6 +311,7 @@ typedef volatile struct lan_saa9730_regmap t_lan_saa9730_regmap;
/* The SAA9730 (EVM) controller register map, as seen via the PCI-bus. */
#define SAA9730_EVM_REGS_ADDR 0x02000
+#define SAA9730_EVM_REGS_SIZE 0x00400
struct evm_saa9730_regmap {
volatile unsigned int InterruptStatus1; /* 0x2000 */
@@ -329,16 +332,32 @@ typedef volatile struct evm_saa9730_regmap t_evm_saa9730_regmap;
struct lan_saa9730_private {
+ /*
+ * Rx/Tx packet buffers.
+ * The Rx and Tx packets must be PACKET_SIZE aligned.
+ */
+ void *buffer_start;
+ unsigned int buffer_size;
+
+ /*
+ * DMA address of beginning of this object, returned
+ * by pci_alloc_consistent().
+ */
+ dma_addr_t dma_addr;
+
+ /* Pointer to the associated pci device structure */
+ struct pci_dev *pci_dev;
+
/* Pointer for the SAA9730 LAN controller register set. */
t_lan_saa9730_regmap *lan_saa9730_regs;
/* Pointer to the SAA9730 EVM register. */
t_evm_saa9730_regmap *evm_saa9730_regs;
- /* TRUE if the next buffer to write is RxBuffA, FALSE if RxBuffB. */
- unsigned char NextRcvToUseIsA;
/* Rcv buffer Index. */
unsigned char NextRcvPacketIndex;
+ /* Next buffer index. */
+ unsigned char NextRcvBufferIndex;
/* Index of next packet to use in that buffer. */
unsigned char NextTxmPacketIndex;
@@ -353,13 +372,8 @@ struct lan_saa9730_private {
unsigned char DmaRcvPackets;
unsigned char DmaTxmPackets;
- unsigned char RcvAIndex; /* index into RcvBufferSpace[] for Blk A */
- unsigned char RcvBIndex; /* index into RcvBufferSpace[] for Blk B */
-
- unsigned int
- TxmBuffer[LAN_SAA9730_BUFFERS][LAN_SAA9730_TXM_Q_SIZE];
- unsigned int
- RcvBuffer[LAN_SAA9730_BUFFERS][LAN_SAA9730_RCV_Q_SIZE];
+ void *TxmBuffer[LAN_SAA9730_BUFFERS][LAN_SAA9730_TXM_Q_SIZE];
+ void *RcvBuffer[LAN_SAA9730_BUFFERS][LAN_SAA9730_RCV_Q_SIZE];
unsigned int TxBufferFree[LAN_SAA9730_BUFFERS];
unsigned char PhysicalAddress[LAN_SAA9730_CAM_ENTRIES][6];
OpenPOWER on IntegriCloud