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@ -1,4 +1,4 @@ |
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/* rdc.c: A RDC FastEthernet driver for linux. */ |
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/* r6040.c: A RDC R6040 FastEthernet driver for linux. */ |
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/*
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Re-written 2004 by Sten Wang. |
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@ -8,21 +8,33 @@ |
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distributed according to the terms of the GNU General Public License, |
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incorporated herein by reference. |
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This driver is for RDC FastEthernet MAC series. |
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This driver is for RDC R6040 FastEthernet MAC series. |
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For kernel version after 2.4.22 |
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Modification List |
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---------- ------------------------------------------------ |
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08-24-2006 Support at linux 2.6.10 above |
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03-24-2006 Support NAPI |
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03-21-2006 By Charies,change spin_lock_irqsave(lp->lock, flags) to |
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spin_lock_irqsave(&lp->lock, flags) in set_multicast_list |
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03-15-2006 Modify the set_multicast_list ,due to when re-plug the ethernet, |
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it will forget the previous setting |
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07-12-2005 Tim, modify the set_multicast_list |
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03-28-2005 Tim, modify some error mac register offset in
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function set_multicast_list |
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03-27-2005 Tim, Add the internal state machine reset |
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Sten, If multicast address more than 4, enter PROM mode |
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Changed rdc to r6040 |
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12-22-2004 Sten Init MAC MBCR register=0x012A |
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PHY_CAP = 0x01E1 |
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*/ |
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#define FORICPLUS /* Supports ICPlus IP175C switch chip */ |
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#define BOOSTRDC /* Accelerate Ethernet performance */ |
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Need to Do LIst: |
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1. If multicast address more than 4, use the multicast address hash |
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*/ |
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#define DRV_NAME "rdc" |
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#define DRV_VERSION "0.6" |
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#define DRV_RELDATE "9July2004" |
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#define DRV_NAME "r6040" |
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#define DRV_VERSION "0.13" |
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#define DRV_RELDATE "24Aug2006" |
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/* PHY CHIP Address */ |
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#define PHY1_ADDR 1 /* For MAC1 */ |
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@ -31,7 +43,7 @@ |
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#define PHY_CAP 0x01E1 /* PHY CHIP Register 4 */ |
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/* Time in jiffies before concluding the transmitter is hung. */ |
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#define TX_TIMEOUT (400 * HZ / 1000) |
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#define TX_TIMEOUT (6000 * HZ / 1000) |
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#define TIMER_WUT (jiffies + HZ * 1)/* timer wakeup time : 1 second */ |
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/* RDC MAC ID */ |
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@ -47,16 +59,11 @@ |
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#define MAX_MAC 2 |
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/* MAC setting */ |
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#ifdef BOOSTRDC |
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#define TX_DCNT 32 /* TX descriptor count */ |
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#define RX_DCNT 32 /* RX descriptor count */ |
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#else |
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#define TX_DCNT 0x8 /* TX descriptor count */ |
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#define RX_DCNT 0x8 /* RX descriptor count */ |
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#endif |
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#define TX_DCNT 0x80 /* TX descriptor count */ |
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#define RX_DCNT 0x80 /* RX descriptor count */ |
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#define MAX_BUF_SIZE 0x600 |
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#define ALLOC_DESC_SIZE ((TX_DCNT+RX_DCNT)*sizeof(struct rdc_descriptor)+0x10) |
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#define MBCR_DEFAULT 0x012A /* MAC Control Register */ |
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#define ALLOC_DESC_SIZE ((TX_DCNT+RX_DCNT)*sizeof(struct r6040_descriptor)+0x10) |
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#define MBCR_DEFAULT 0x012A /* MAC Bus Control Register */ |
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/* Debug enable or not */ |
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#define RDC_DEBUG 0 |
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@ -69,6 +76,10 @@ |
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#include <linux/module.h> |
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#include <linux/version.h> |
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) |
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#include <linux/moduleparam.h> |
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#endif |
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#include <linux/kernel.h> |
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#include <linux/string.h> |
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#include <linux/timer.h> |
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@ -94,110 +105,114 @@ |
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#include <asm/uaccess.h> |
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MODULE_AUTHOR("Sten Wang <sten.wang@rdc.com.tw>"); |
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MODULE_DESCRIPTION("RDC R6040 PCI FastEthernet Driver"); |
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MODULE_LICENSE("GPL"); |
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#ifdef CONFIG_R6040_NAPI |
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MODULE_DESCRIPTION("RDC R6040 NAPI PCI FastEthernet Driver"); |
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#else |
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MODULE_DESCRIPTION("RDC R6040 PCI FastEthernet Driver"); |
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#endif |
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//MODULE_PARM(adr_table, "2-4i");
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MODULE_PARM_DESC(adr_table, "MAC Address (assigned)"); |
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#define R6040_INT_MASK 0x0011 |
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struct rdc_descriptor { |
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struct r6040_descriptor { |
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u16 status, len; /* 0-3 */ |
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u32 buf; /* 4-7 */ |
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u32 ndesc; /* 8-B */ |
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u32 rev1; /* C-F */ |
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char *vbufp; /* 10-13 */ |
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struct rdc_descriptor *vndescp; /* 14-17 */ |
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struct r6040_descriptor *vndescp; /* 14-17 */ |
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struct sk_buff *skb_ptr; /* 18-1B */ |
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u32 rev2; /* 1C-1F */ |
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} __attribute__(( aligned(32) )); |
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struct rdc_private { |
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struct r6040_private { |
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struct net_device_stats stats; |
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spinlock_t lock; |
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struct timer_list timer; |
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struct pci_dev *pdev; |
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struct rdc_descriptor *rx_insert_ptr; |
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struct rdc_descriptor *rx_remove_ptr; |
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struct rdc_descriptor *tx_insert_ptr; |
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struct rdc_descriptor *tx_remove_ptr; |
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struct r6040_descriptor *rx_insert_ptr; |
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struct r6040_descriptor *rx_remove_ptr; |
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struct r6040_descriptor *tx_insert_ptr; |
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struct r6040_descriptor *tx_remove_ptr; |
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u16 tx_free_desc, rx_free_desc, phy_addr, phy_mode; |
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u16 mcr0, mcr1; |
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dma_addr_t desc_dma; |
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char *desc_pool; |
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}; |
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struct rdc_chip_info { |
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struct r6040_chip_info { |
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const char *name; |
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u16 pci_flags; |
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int io_size; |
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int drv_flags; |
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}; |
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#ifdef CONFIG_R6040_NAPI |
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static int NAPI_status; |
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#endif |
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static int __devinitdata printed_version; |
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#ifdef CONFIG_R6040_NAPI |
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static char version[] __devinitdata = |
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KERN_INFO DRV_NAME ": RDC R6040 net driver, version " |
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DRV_VERSION " (" DRV_RELDATE ")\n"; |
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static struct rdc_chip_info rdc_chip_info[] __devinitdata = |
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KERN_INFO DRV_NAME ": RDC R6040 NAPI net driver, version "DRV_VERSION " (" DRV_RELDATE ")\n";
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#else |
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static char version[] __devinitdata = |
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KERN_INFO DRV_NAME ": RDC R6040 net driver, version "DRV_VERSION " (" DRV_RELDATE ")\n";
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#endif |
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static struct r6040_chip_info r6040_chip_info[] __devinitdata = |
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{ |
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{ "RDC R6040 Knight", R6040_PCI_CMD, R6040_IO_SIZE, 0} |
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}; |
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) |
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static int NUM_MAC_TABLE = 2 ; |
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#endif |
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static int phy_table[] = { 0x1, 0x2}; |
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static u8 adr_table[2][8] = {{0x00, 0x00, 0x60, 0x00, 0x00, 0x01}, {0x00, 0x00, 0x60, 0x00, 0x00, 0x02}}; |
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static int rdc_open(struct net_device *dev); |
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static int rdc_start_xmit(struct sk_buff *skb, struct net_device *dev); |
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static irqreturn_t rdc_interrupt(int irq, void *dev_id); |
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static struct net_device_stats *rdc_get_stats(struct net_device *dev); |
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static int rdc_close(struct net_device *dev); |
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 10) |
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module_param_array(adr_table, int, &NUM_MAC_TABLE, 0644); |
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#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) |
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module_param_array(adr_table, int, NUM_MAC_TABLE, 0644); |
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#else |
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MODULE_PARM(adr_table, "2-4i"); |
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#endif |
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MODULE_PARM_DESC(adr_table, "MAC Address (assigned)"); |
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static int r6040_open(struct net_device *dev); |
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static int r6040_start_xmit(struct sk_buff *skb, struct net_device *dev); |
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static irqreturn_t r6040_interrupt(int irq, void *dev_id, struct pt_regs *regs); |
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static struct net_device_stats *r6040_get_stats(struct net_device *dev); |
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static int r6040_close(struct net_device *dev); |
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static void set_multicast_list(struct net_device *dev); |
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static struct ethtool_ops netdev_ethtool_ops; |
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static int netdev_ioctl (struct net_device *dev, struct ifreq *rq, int cmd); |
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static void rdc_down(struct net_device *dev); |
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static void rdc_up(struct net_device *dev); |
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static void rdc_tx_timeout (struct net_device *dev); |
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static void rdc_timer(unsigned long); |
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static void r6040_down(struct net_device *dev); |
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static void r6040_up(struct net_device *dev); |
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static void r6040_tx_timeout (struct net_device *dev); |
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static void r6040_timer(unsigned long); |
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static int phy_mode_chk(struct net_device *dev); |
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static int phy_read(int ioaddr, int phy_adr, int reg_idx); |
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static void phy_write(int ioaddr, int phy_adr, int reg_idx, int dat); |
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#ifdef BOOSTRDC |
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#define rx_buf_alloc(lp) \ |
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do { \
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struct rdc_descriptor *descptr; \
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descptr = lp->rx_insert_ptr; \
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while(lp->rx_free_desc < RX_DCNT){ \
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descptr->skb_ptr = dev_alloc_skb(MAX_BUF_SIZE); \
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if (!descptr->skb_ptr) break; \
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descptr->buf = cpu_to_le32(pci_map_single(lp->pdev, descptr->skb_ptr->tail, MAX_BUF_SIZE, PCI_DMA_FROMDEVICE)); \
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descptr->status = 0x8000; \
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descptr = descptr->vndescp; \
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lp->rx_free_desc++; \
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} \
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lp->rx_insert_ptr = descptr; \
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} while(0) |
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#else |
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static void rx_buf_alloc(struct rdc_private *lp); |
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static void rx_buf_alloc(struct r6040_private *lp,struct net_device *dev); |
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#ifdef CONFIG_R6040_NAPI |
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static int r6040_poll(struct net_device *netdev, int *budget); |
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#endif |
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#ifdef FORICPLUS |
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static void process_ioctl(struct net_device*, unsigned long* ); |
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#endif |
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static int __devinit rdc_init_one (struct pci_dev *pdev, |
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static int __devinit r6040_init_one (struct pci_dev *pdev, |
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const struct pci_device_id *ent) |
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{ |
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struct net_device *dev; |
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struct rdc_private *lp; |
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struct r6040_private *lp; |
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int ioaddr, io_size, err; |
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static int card_idx = -1;
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int chip_id = (int)ent->driver_data; |
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RDC_DBUG("rdc_init_one()", 0); |
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RDC_DBUG("r6040_init_one()", 0); |
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if (printed_version++) |
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printk(version); |
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@ -212,7 +227,7 @@ static int __devinit rdc_init_one (struct pci_dev *pdev, |
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} |
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/* IO Size check */ |
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io_size = rdc_chip_info[chip_id].io_size; |
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io_size = r6040_chip_info[chip_id].io_size; |
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if (pci_resource_len (pdev, 0) < io_size) { |
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return -ENODEV; |
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} |
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@ -220,7 +235,7 @@ static int __devinit rdc_init_one (struct pci_dev *pdev, |
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ioaddr = pci_resource_start (pdev, 0); /* IO map base address */ |
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pci_set_master(pdev); |
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dev = alloc_etherdev(sizeof(struct rdc_private)); |
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dev = alloc_etherdev(sizeof(struct r6040_private)); |
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if (dev == NULL) |
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return -ENOMEM; |
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SET_MODULE_OWNER(dev); |
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@ -243,7 +258,7 @@ static int __devinit rdc_init_one (struct pci_dev *pdev, |
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card_idx++; |
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memcpy(dev->dev_addr, (u8 *)&adr_table[card_idx][0], 6); |
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/* Link new device into rdc_root_dev */ |
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/* Link new device into r6040_root_dev */ |
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lp->pdev = pdev; |
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/* Init RDC private data */ |
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@ -251,15 +266,19 @@ static int __devinit rdc_init_one (struct pci_dev *pdev, |
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lp->phy_addr = phy_table[card_idx]; |
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/* The RDC-specific entries in the device structure. */ |
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dev->open = &rdc_open; |
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dev->hard_start_xmit = &rdc_start_xmit; |
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dev->stop = &rdc_close; |
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dev->get_stats = &rdc_get_stats; |
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dev->open = &r6040_open; |
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dev->hard_start_xmit = &r6040_start_xmit; |
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dev->stop = &r6040_close; |
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dev->get_stats = &r6040_get_stats; |
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dev->set_multicast_list = &set_multicast_list; |
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dev->do_ioctl = &netdev_ioctl; |
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dev->ethtool_ops = &netdev_ethtool_ops; |
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dev->tx_timeout = &rdc_tx_timeout; |
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dev->tx_timeout = &r6040_tx_timeout; |
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dev->watchdog_timeo = TX_TIMEOUT; |
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#ifdef CONFIG_R6040_NAPI |
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dev->poll = &r6040_poll; |
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dev->weight = 64; |
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#endif |
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/* Register net device. After this dev->name assign */ |
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if ((err = register_netdev(dev))) { |
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@ -280,7 +299,7 @@ err_out_disable: |
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return err; |
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} |
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static void __devexit rdc_remove_one (struct pci_dev *pdev) |
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static void __devexit r6040_remove_one (struct pci_dev *pdev) |
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{ |
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struct net_device *dev = pci_get_drvdata(pdev); |
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@ -292,45 +311,43 @@ static void __devexit rdc_remove_one (struct pci_dev *pdev) |
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} |
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static int |
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rdc_open(struct net_device *dev) |
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r6040_open(struct net_device *dev) |
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{ |
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struct rdc_private *lp = dev->priv; |
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struct r6040_private *lp = dev->priv; |
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int i; |
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RDC_DBUG("rdc_open()", 0); |
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RDC_DBUG("r6040_open()", 0); |
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/* Request IRQ and Register interrupt handler */ |
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i = request_irq(dev->irq, &rdc_interrupt, SA_SHIRQ, dev->name, dev); |
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i = request_irq(dev->irq, &r6040_interrupt, SA_SHIRQ, dev->name, dev); |
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if (i) return i; |
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/* Allocate Descriptor memory */ |
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lp->desc_pool = pci_alloc_consistent(lp->pdev, ALLOC_DESC_SIZE, &lp->desc_dma);
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if (!lp->desc_pool) return -ENOMEM;
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rdc_up(dev); |
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r6040_up(dev); |
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netif_start_queue(dev); |
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#ifndef FORICPLUS |
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/* set and active a timer process */ |
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init_timer(&lp->timer); |
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lp->timer.expires = TIMER_WUT; |
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lp->timer.data = (unsigned long)dev; |
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lp->timer.function = &rdc_timer; |
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lp->timer.function = &r6040_timer; |
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add_timer(&lp->timer); |
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#endif |
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return 0; |
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} |
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static void |
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rdc_tx_timeout (struct net_device *dev) |
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r6040_tx_timeout (struct net_device *dev) |
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{ |
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struct rdc_private *lp = dev->priv; |
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struct r6040_private *lp = dev->priv; |
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//int ioaddr = dev->base_addr;
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//struct rdc_descriptor *descptr = lp->tx_remove_ptr;
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//struct r6040_descriptor *descptr = lp->tx_remove_ptr;
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RDC_DBUG("rdc_tx_timeout()", 0); |
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RDC_DBUG("r6040_tx_timeout()", 0); |
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/* Transmitter timeout, serious problems. */ |
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/* Sten: Nothing need to do so far. */ |
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@ -345,14 +362,14 @@ rdc_tx_timeout (struct net_device *dev) |
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static int |
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rdc_start_xmit(struct sk_buff *skb, struct net_device *dev) |
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r6040_start_xmit(struct sk_buff *skb, struct net_device *dev) |
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{ |
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struct rdc_private *lp = dev->priv; |
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struct rdc_descriptor *descptr; |
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struct r6040_private *lp = dev->priv; |
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struct r6040_descriptor *descptr; |
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int ioaddr = dev->base_addr; |
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unsigned long flags; |
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RDC_DBUG("rdc_start_xmit()", 0); |
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RDC_DBUG("r6040_start_xmit()", 0); |
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if (skb == NULL) /* NULL skb directly return */
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return 0; |
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@ -401,23 +418,27 @@ rdc_start_xmit(struct sk_buff *skb, struct net_device *dev) |
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/* The RDC interrupt handler. */ |
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static irqreturn_t |
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rdc_interrupt(int irq, void *dev_id) |
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r6040_interrupt(int irq, void *dev_id, struct pt_regs *regs) |
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{ |
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struct net_device *dev = dev_id; |
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struct rdc_private *lp; |
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struct rdc_descriptor *descptr; |
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struct r6040_private *lp; |
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struct r6040_descriptor *descptr; |
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struct sk_buff *skb_ptr; |
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int ioaddr, status; |
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unsigned long flags; |
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#ifdef CONFIG_R6040_NAPI |
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int handled = 1; |
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#else |
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int handled = 0; |
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#endif |
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RDC_DBUG("rdc_interrupt()", 0); |
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RDC_DBUG("r6040_interrupt()", 0); |
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if (dev == NULL) { |
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printk (KERN_ERR DRV_NAME ": INT() unknown device.\n"); |
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return IRQ_RETVAL(handled); |
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} |
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lp = (struct rdc_private *)dev->priv; |
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lp = (struct r6040_private *)dev->priv; |
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spin_lock_irqsave(&lp->lock, flags); |
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/* Check MAC Interrupt status */ |
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@ -425,6 +446,18 @@ rdc_interrupt(int irq, void *dev_id) |
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outw(0x0, ioaddr + 0x40); /* Mask Off RDC MAC interrupt */ |
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status = inw(ioaddr + 0x3c); /* Read INTR status and clear */ |
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#ifdef CONFIG_R6040_NAPI |
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if(netif_rx_schedule_prep(dev))
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{ |
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NAPI_status = status ;
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__netif_rx_schedule(dev); |
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} |
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spin_unlock_irqrestore(&lp->lock, flags); |
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return IRQ_RETVAL(handled);
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#else |
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/* TX interrupt request */ |
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if (status & 0x10) { |
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handled = 1; |
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@ -464,21 +497,21 @@ rdc_interrupt(int irq, void *dev_id) |
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} |
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/* Allocate new RX buffer */ |
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if (lp->rx_free_desc < RX_DCNT) rx_buf_alloc(lp); |
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if (lp->rx_free_desc < RX_DCNT) rx_buf_alloc(lp,dev); |
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outw(0x0011, ioaddr + 0x40); /* TX/RX interrupt enable */ |
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outw(R6040_INT_MASK, ioaddr + 0x40); /* TX/RX interrupt enable */ |
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spin_unlock_irqrestore(&lp->lock, flags); |
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#endif |
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return IRQ_RETVAL(handled); |
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} |
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static struct net_device_stats * |
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rdc_get_stats(struct net_device *dev) |
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r6040_get_stats(struct net_device *dev) |
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{ |
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struct rdc_private *lp = dev->priv; |
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struct r6040_private *lp = dev->priv; |
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RDC_DBUG("rdc_get_stats()", 0); |
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RDC_DBUG("r6040_get_stats()", 0); |
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return &lp->stats; |
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} |
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@ -488,7 +521,7 @@ rdc_get_stats(struct net_device *dev) |
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static void |
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set_multicast_list(struct net_device *dev) |
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{ |
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struct rdc_private *lp = dev->priv; |
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struct r6040_private *lp = dev->priv; |
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struct dev_mc_list *mcptr; |
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int ioaddr = dev->base_addr; |
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u16 *adrp, i; |
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@ -497,23 +530,27 @@ set_multicast_list(struct net_device *dev) |
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RDC_DBUG("set_multicast_list()", 0); |
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/* MAC Address */
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ioaddr += 0x68; |
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adrp = (u16 *) dev->dev_addr; |
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outw(adrp[0], ioaddr); ioaddr += 2; |
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outw(adrp[1], ioaddr); ioaddr += 2; |
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outw(adrp[2], ioaddr); ioaddr += 2; |
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outw(adrp[0], ioaddr + 0x68);
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outw(adrp[1], ioaddr + 0x6A);
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outw(adrp[2], ioaddr + 0x6C);
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#if RDC_DEBUG |
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printk("MAC ADDR: %04x %04x %04x\n", adrp[0], adrp[1], adrp[2]); |
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#endif |
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/* Promiscous Mode */ |
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spin_lock_irqsave(lp->lock, flags); |
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spin_lock_irqsave(&lp->lock, flags); |
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i = inw(ioaddr) & ~0x0120; /* Clear AMCP & PROM */ |
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if (dev->flags & IFF_PROMISC) i |= 0x0020; |
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if (dev->mc_count > 4) i |= 0x0100; /* Too many multicast address */ |
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if (dev->flags & IFF_PROMISC) |
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{
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i |= 0x0020; |
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lp->mcr0 |= 0x0020 ; |
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} |
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if (dev->mc_count > 4) i |= 0x0020; /* Too many multicast address */ |
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outw(i, ioaddr); |
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spin_unlock_irqrestore(lp->lock, flags); |
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spin_unlock_irqrestore(&lp->lock, flags); |
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/* Multicast Address */ |
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if (dev->mc_count > 4) /* Wait to do: Hash Table for multicast */ |
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@ -522,24 +559,24 @@ set_multicast_list(struct net_device *dev) |
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/* Multicast Address 1~4 case */ |
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for (i = 0, mcptr = dev->mc_list; (i<dev->mc_count) && (i<4); i++) { |
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adrp = (u16 *)mcptr->dmi_addr; |
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outw(adrp[0], ioaddr); ioaddr += 2; |
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outw(adrp[1], ioaddr); ioaddr += 2; |
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outw(adrp[2], ioaddr); ioaddr += 2; |
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outw(adrp[0], ioaddr + 0x70 + 8*i);
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outw(adrp[1], ioaddr + 0x72 + 8*i);
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outw(adrp[2], ioaddr + 0x74 + 8*i);
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mcptr = mcptr->next; |
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#if RDC_DEBUG |
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printk("M_ADDR: %04x %04x %04x\n", adrp[0], adrp[1], adrp[2]); |
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#endif |
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} |
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for (i = dev->mc_count; i < 4; i++) { |
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outw(0xffff, ioaddr); ioaddr += 2; |
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outw(0xffff, ioaddr); ioaddr += 2; |
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outw(0xffff, ioaddr); ioaddr += 2; |
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outw(0xffff, ioaddr + 0x68 + 8*i);
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outw(0xffff, ioaddr + 0x6A + 8*i);
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outw(0xffff, ioaddr + 0x6C + 8*i);
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} |
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} |
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static void netdev_get_drvinfo (struct net_device *dev, struct ethtool_drvinfo *info) |
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{ |
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struct rdc_private *rp = dev->priv; |
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struct r6040_private *rp = dev->priv; |
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strcpy (info->driver, DRV_NAME); |
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strcpy (info->version, DRV_VERSION); |
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@ -551,11 +588,11 @@ static struct ethtool_ops netdev_ethtool_ops = { |
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}; |
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static int |
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rdc_close(struct net_device *dev) |
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r6040_close(struct net_device *dev) |
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{ |
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struct rdc_private *lp = dev->priv; |
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struct r6040_private *lp = dev->priv; |
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RDC_DBUG("rdc_close()", 0); |
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RDC_DBUG("r6040_close()", 0); |
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/* deleted timer */ |
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del_timer_sync(&lp->timer); |
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@ -564,7 +601,7 @@ rdc_close(struct net_device *dev) |
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netif_stop_queue(dev); |
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rdc_down(dev); |
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r6040_down(dev); |
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spin_unlock_irq(&lp->lock); |
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@ -576,42 +613,19 @@ rdc_close(struct net_device *dev) |
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static int netdev_ioctl (struct net_device *dev, struct ifreq *rq, int cmd) |
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{ |
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RDC_DBUG("netdev_ioctl()", 0); |
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#ifdef FORICPLUS |
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switch(cmd) |
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{ |
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case SIOCDEVPRIVATE: |
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//printk(KERN_INFO"Ethernet IOCTL: cmd SIOCDEVPRIVATE\n");
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{ |
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unsigned long *data; |
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unsigned long args[4]; |
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data = (unsigned long *)rq->ifr_data; |
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if (copy_from_user(args, data, 4*sizeof(unsigned long))) |
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return -EFAULT; |
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process_ioctl(dev, args); |
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} |
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break; |
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default: |
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break; |
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} |
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#endif |
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return 0; |
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} |
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/**
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Stop RDC MAC and Free the allocated resource |
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*/ |
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static void rdc_down(struct net_device *dev) |
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static void r6040_down(struct net_device *dev) |
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{ |
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struct rdc_private *lp = dev->priv; |
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struct r6040_private *lp = dev->priv; |
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int i; |
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int ioaddr = dev->base_addr; |
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RDC_DBUG("rdc_down()", 0); |
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RDC_DBUG("r6040_down()", 0); |
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/* Stop MAC */ |
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outw(0x0000, ioaddr + 0x40); /* Mask Off Interrupt */ |
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@ -645,17 +659,87 @@ static void rdc_down(struct net_device *dev) |
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pci_free_consistent(lp->pdev, ALLOC_DESC_SIZE, lp->desc_pool, lp->desc_dma); |
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} |
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#ifdef CONFIG_R6040_NAPI |
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static int r6040_poll(struct net_device *dev, int *budget) |
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{ |
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struct r6040_private *lp; |
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struct r6040_descriptor *descptr; |
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struct sk_buff *skb_ptr; |
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int ioaddr, status; |
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unsigned long flags; |
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ioaddr = dev->base_addr;
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lp = (struct r6040_private *)dev->priv; |
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unsigned long rx_work = dev->quota ; |
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unsigned long rx ; |
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#if 1 |
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/* TX interrupt request */ |
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if (NAPI_status & 0x10) { |
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descptr = lp->tx_remove_ptr; |
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while(lp->tx_free_desc < TX_DCNT) { |
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if (descptr->status & 0x8000) break; /* Not complte */ |
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skb_ptr = descptr->skb_ptr; |
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pci_unmap_single(lp->pdev, descptr->buf, skb_ptr->len, PCI_DMA_TODEVICE); |
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dev_kfree_skb_irq(skb_ptr); /* Free buffer */ |
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descptr->skb_ptr = 0; |
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descptr = descptr->vndescp; /* To next descriptor */ |
|
|
|
|
lp->tx_free_desc++; |
|
|
|
|
} |
|
|
|
|
lp->tx_remove_ptr = descptr; |
|
|
|
|
if (lp->tx_free_desc) netif_wake_queue(dev); |
|
|
|
|
}
|
|
|
|
|
#endif |
|
|
|
|
#if 1 |
|
|
|
|
/* RX interrupt request */ |
|
|
|
|
if (NAPI_status & 0x01) {
|
|
|
|
|
|
|
|
|
|
descptr = lp->rx_remove_ptr; |
|
|
|
|
while(lp->rx_free_desc) { |
|
|
|
|
if (descptr->status & 0x8000) break; /* No Rx packet */ |
|
|
|
|
skb_ptr = descptr->skb_ptr; |
|
|
|
|
descptr->skb_ptr = 0; |
|
|
|
|
skb_ptr->dev = dev; |
|
|
|
|
skb_put(skb_ptr, descptr->len - 4); |
|
|
|
|
pci_unmap_single(lp->pdev, descptr->buf, MAX_BUF_SIZE, PCI_DMA_FROMDEVICE); |
|
|
|
|
skb_ptr->protocol = eth_type_trans(skb_ptr, dev);
|
|
|
|
|
netif_receive_skb(skb_ptr); /* Send to upper layer */ |
|
|
|
|
lp->stats.rx_packets++; |
|
|
|
|
lp->stats.rx_bytes += descptr->len; |
|
|
|
|
descptr = descptr->vndescp; /* To next descriptor */ |
|
|
|
|
lp->rx_free_desc--; |
|
|
|
|
} |
|
|
|
|
lp->rx_remove_ptr = descptr; |
|
|
|
|
|
|
|
|
|
} |
|
|
|
|
/* Allocate new RX buffer */ |
|
|
|
|
if (lp->rx_free_desc < RX_DCNT) rx_buf_alloc(lp,dev); |
|
|
|
|
|
|
|
|
|
local_irq_disable(); |
|
|
|
|
netif_rx_complete(dev); |
|
|
|
|
outw(R6040_INT_MASK,ioaddr + 0x40);
|
|
|
|
|
local_irq_enable(); |
|
|
|
|
return 0; |
|
|
|
|
#endif |
|
|
|
|
} |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
/* Init RDC MAC */ |
|
|
|
|
static void rdc_up(struct net_device *dev) |
|
|
|
|
static void r6040_up(struct net_device *dev) |
|
|
|
|
{ |
|
|
|
|
struct rdc_private *lp = dev->priv; |
|
|
|
|
struct rdc_descriptor *descptr; |
|
|
|
|
struct r6040_private *lp = dev->priv; |
|
|
|
|
struct r6040_descriptor *descptr; |
|
|
|
|
int i; |
|
|
|
|
int ioaddr = dev->base_addr; |
|
|
|
|
u32 tmp_addr; |
|
|
|
|
dma_addr_t desc_dma, start_dma; |
|
|
|
|
|
|
|
|
|
RDC_DBUG("rdc_up()", 0); |
|
|
|
|
RDC_DBUG("r6040_up()", 0); |
|
|
|
|
|
|
|
|
|
/* Initilize */ |
|
|
|
|
lp->tx_free_desc = TX_DCNT; |
|
|
|
@ -663,9 +747,9 @@ static void rdc_up(struct net_device *dev) |
|
|
|
|
|
|
|
|
|
/* Init descriptor */ |
|
|
|
|
memset(lp->desc_pool, 0, ALLOC_DESC_SIZE); /* Let all descriptor = 0 */ |
|
|
|
|
lp->tx_insert_ptr = (struct rdc_descriptor *)lp->desc_pool; |
|
|
|
|
lp->tx_insert_ptr = (struct r6040_descriptor *)lp->desc_pool; |
|
|
|
|
lp->tx_remove_ptr = lp->tx_insert_ptr; |
|
|
|
|
lp->rx_insert_ptr = (struct rdc_descriptor *)lp->tx_insert_ptr+TX_DCNT; |
|
|
|
|
lp->rx_insert_ptr = (struct r6040_descriptor *)lp->tx_insert_ptr+TX_DCNT; |
|
|
|
|
lp->rx_remove_ptr = lp->rx_insert_ptr; |
|
|
|
|
|
|
|
|
|
/* Init TX descriptor */ |
|
|
|
@ -673,10 +757,10 @@ static void rdc_up(struct net_device *dev) |
|
|
|
|
desc_dma = lp->desc_dma; |
|
|
|
|
start_dma = desc_dma; |
|
|
|
|
for (i = 0; i < TX_DCNT; i++) { |
|
|
|
|
descptr->ndesc = cpu_to_le32(desc_dma + sizeof(struct rdc_descriptor)); |
|
|
|
|
descptr->ndesc = cpu_to_le32(desc_dma + sizeof(struct r6040_descriptor)); |
|
|
|
|
descptr->vndescp = (descptr + 1); |
|
|
|
|
descptr = (descptr + 1); |
|
|
|
|
desc_dma += sizeof(struct rdc_descriptor); |
|
|
|
|
desc_dma += sizeof(struct r6040_descriptor); |
|
|
|
|
} |
|
|
|
|
(descptr - 1)->ndesc = cpu_to_le32(start_dma); |
|
|
|
|
(descptr - 1)->vndescp = lp->tx_insert_ptr; |
|
|
|
@ -685,16 +769,16 @@ static void rdc_up(struct net_device *dev) |
|
|
|
|
start_dma = desc_dma; |
|
|
|
|
descptr = lp->rx_insert_ptr; |
|
|
|
|
for (i = 0; i < RX_DCNT; i++) { |
|
|
|
|
descptr->ndesc = cpu_to_le32(desc_dma + sizeof(struct rdc_descriptor)); |
|
|
|
|
descptr->ndesc = cpu_to_le32(desc_dma + sizeof(struct r6040_descriptor)); |
|
|
|
|
descptr->vndescp = (descptr + 1); |
|
|
|
|
descptr = (descptr + 1); |
|
|
|
|
desc_dma += sizeof(struct rdc_descriptor); |
|
|
|
|
desc_dma += sizeof(struct r6040_descriptor); |
|
|
|
|
} |
|
|
|
|
(descptr - 1)->ndesc = cpu_to_le32(start_dma); |
|
|
|
|
(descptr - 1)->vndescp = lp->rx_insert_ptr; |
|
|
|
|
|
|
|
|
|
/* Allocate buffer for RX descriptor */ |
|
|
|
|
rx_buf_alloc(lp); |
|
|
|
|
rx_buf_alloc(lp,dev); |
|
|
|
|
|
|
|
|
|
#if RDC_DEBUG |
|
|
|
|
descptr = lp->tx_insert_ptr; |
|
|
|
@ -710,19 +794,17 @@ for (i = 0; i < RX_DCNT; i++) { |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
/* MAC operation register */ |
|
|
|
|
outw(0x01, ioaddr); /* Reset MAC */ |
|
|
|
|
outw(2 , ioaddr+0xAC); |
|
|
|
|
outw(0x01, ioaddr+0x04); /* Reset MAC */ |
|
|
|
|
outw(2 , ioaddr+0xAC); /* Reset internal state machine */ |
|
|
|
|
outw(0 , ioaddr+0xAC); |
|
|
|
|
udelay(5000); |
|
|
|
|
|
|
|
|
|
/* TX and RX descriptor start Register */ |
|
|
|
|
tmp_addr = cpu_to_le32(lp->tx_insert_ptr); |
|
|
|
|
//timc
|
|
|
|
|
tmp_addr = virt_to_bus((volatile void *)tmp_addr); |
|
|
|
|
outw((u16) tmp_addr, ioaddr+0x2c); |
|
|
|
|
outw(tmp_addr >> 16, ioaddr+0x30); |
|
|
|
|
tmp_addr = cpu_to_le32(lp->rx_insert_ptr); |
|
|
|
|
//timc
|
|
|
|
|
tmp_addr = virt_to_bus((volatile void *)tmp_addr); |
|
|
|
|
outw((u16) tmp_addr, ioaddr+0x34); |
|
|
|
|
outw(tmp_addr >> 16, ioaddr+0x38); |
|
|
|
@ -730,15 +812,6 @@ for (i = 0; i < RX_DCNT; i++) { |
|
|
|
|
/* Buffer Size Register */ |
|
|
|
|
outw(MAX_BUF_SIZE, ioaddr+0x18); |
|
|
|
|
|
|
|
|
|
#ifdef FORICPLUS |
|
|
|
|
|
|
|
|
|
if(phy_read(ioaddr, 0, 2) == 0x0243) // ICPlus IP175C Signature
|
|
|
|
|
{ |
|
|
|
|
phy_write(ioaddr, 29,31, 0x175C); //Enable registers
|
|
|
|
|
} |
|
|
|
|
lp->phy_mode = 0x8000; |
|
|
|
|
|
|
|
|
|
#else |
|
|
|
|
/* PHY Mode Check */ |
|
|
|
|
phy_write(ioaddr, lp->phy_addr, 4, PHY_CAP); |
|
|
|
|
phy_write(ioaddr, lp->phy_addr, 0, PHY_MODE); |
|
|
|
@ -746,51 +819,29 @@ for (i = 0; i < RX_DCNT; i++) { |
|
|
|
|
if (PHY_MODE == 0x3100)
|
|
|
|
|
lp->phy_mode = phy_mode_chk(dev); |
|
|
|
|
else lp->phy_mode = (PHY_MODE & 0x0100) ? 0x8000:0x0; |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
/* MAC Bus Control Register */ |
|
|
|
|
outw(MBCR_DEFAULT, ioaddr+0x8); |
|
|
|
|
|
|
|
|
|
/* MAC TX/RX Enable */ |
|
|
|
|
lp->mcr0 |= lp->phy_mode; |
|
|
|
|
|
|
|
|
|
// Dante
|
|
|
|
|
// BIT15 | BIT12 | BIT5 | BIT1
|
|
|
|
|
lp->mcr0 |= 0x0020; |
|
|
|
|
//Xavier, only set promiscuous mode with eth1 (LAN i/f)
|
|
|
|
|
//This is a very bad hard code...
|
|
|
|
|
//if(ioaddr == 0xe900)lp->mcr0 |= 0x0020;
|
|
|
|
|
|
|
|
|
|
outw(lp->mcr0, ioaddr); |
|
|
|
|
|
|
|
|
|
#ifdef BOOSTRDC |
|
|
|
|
/* set interrupt waiting time and packet numbers */ |
|
|
|
|
outw(0x0802, ioaddr + 0x0C); |
|
|
|
|
outw(0x0802, ioaddr + 0x10); |
|
|
|
|
|
|
|
|
|
#ifdef FORICPLUS |
|
|
|
|
/* upgrade performance (by RDC guys) */ |
|
|
|
|
phy_write(ioaddr,30,17,(phy_read(ioaddr,30,17)|0x4000)); //bit 14=1
|
|
|
|
|
phy_write(ioaddr,30,17,~((~phy_read(ioaddr,30,17))|0x2000)); //bit 13=0
|
|
|
|
|
phy_write(ioaddr,0,19,0x0000); |
|
|
|
|
phy_write(ioaddr,0,30,0x01F0); |
|
|
|
|
#endif |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
/* Interrupt Mask Register */ |
|
|
|
|
outw(0x0011, ioaddr + 0x40); |
|
|
|
|
outw(R6040_INT_MASK, ioaddr + 0x40); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
A periodic timer routine |
|
|
|
|
Polling PHY Chip Link Status |
|
|
|
|
*/ |
|
|
|
|
static void rdc_timer(unsigned long data) |
|
|
|
|
static void r6040_timer(unsigned long data) |
|
|
|
|
{ |
|
|
|
|
struct net_device *dev=(struct net_device *)data; |
|
|
|
|
struct rdc_private *lp = dev->priv; |
|
|
|
|
struct r6040_private *lp = dev->priv; |
|
|
|
|
u16 ioaddr = dev->base_addr, phy_mode; |
|
|
|
|
|
|
|
|
|
RDC_DBUG("rdc_timer()", 0); |
|
|
|
|
RDC_DBUG("r6040_timer()", 0); |
|
|
|
|
|
|
|
|
|
/* Polling PHY Chip Status */ |
|
|
|
|
if (PHY_MODE == 0x3100)
|
|
|
|
@ -812,11 +863,11 @@ static void rdc_timer(unsigned long data) |
|
|
|
|
add_timer(&lp->timer); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
#ifndef BOOSTRDC |
|
|
|
|
/* Allocate skb buffer for rx descriptor */ |
|
|
|
|
static void rx_buf_alloc(struct rdc_private *lp) |
|
|
|
|
static void rx_buf_alloc(struct r6040_private *lp,struct net_device *dev) |
|
|
|
|
{ |
|
|
|
|
struct rdc_descriptor *descptr; |
|
|
|
|
struct r6040_descriptor *descptr; |
|
|
|
|
int ioaddr = dev->base_addr ; |
|
|
|
|
|
|
|
|
|
RDC_DBUG("rx_buf_alloc()", 0); |
|
|
|
|
descptr = lp->rx_insert_ptr; |
|
|
|
@ -827,16 +878,15 @@ static void rx_buf_alloc(struct rdc_private *lp) |
|
|
|
|
descptr->status = 0x8000; |
|
|
|
|
descptr = descptr->vndescp; |
|
|
|
|
lp->rx_free_desc++; |
|
|
|
|
outw(lp->mcr0 | 0x0002, ioaddr); //Trigger Rx DMA
|
|
|
|
|
} |
|
|
|
|
lp->rx_insert_ptr = descptr; |
|
|
|
|
} |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
/* Status of PHY CHIP */ |
|
|
|
|
static int phy_mode_chk(struct net_device *dev) |
|
|
|
|
{ |
|
|
|
|
|
|
|
|
|
struct rdc_private *lp = dev->priv; |
|
|
|
|
struct r6040_private *lp = dev->priv; |
|
|
|
|
int ioaddr = dev->base_addr, phy_dat; |
|
|
|
|
|
|
|
|
|
RDC_DBUG("phy_mode_chk()", 0); |
|
|
|
@ -861,7 +911,6 @@ static int phy_mode_chk(struct net_device *dev) |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
return phy_dat; |
|
|
|
|
|
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
/* Read a word data from PHY Chip */ |
|
|
|
@ -891,90 +940,47 @@ enum { |
|
|
|
|
RDC_6040 = 0 |
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
static struct pci_device_id rdc_pci_tbl[] = { |
|
|
|
|
static struct pci_device_id r6040_pci_tbl[] = { |
|
|
|
|
{0x17F3, 0x6040, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RDC_6040}, |
|
|
|
|
//{0x1106, 0x3065, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RDC_6040},
|
|
|
|
|
{0,} /* terminate list */ |
|
|
|
|
}; |
|
|
|
|
MODULE_DEVICE_TABLE(pci, rdc_pci_tbl); |
|
|
|
|
MODULE_DEVICE_TABLE(pci, r6040_pci_tbl); |
|
|
|
|
|
|
|
|
|
static struct pci_driver rdc_driver = { |
|
|
|
|
static struct pci_driver r6040_driver = { |
|
|
|
|
.name = "r6040", |
|
|
|
|
.id_table = rdc_pci_tbl, |
|
|
|
|
.probe = rdc_init_one, |
|
|
|
|
.remove = __devexit_p(rdc_remove_one), |
|
|
|
|
.id_table = r6040_pci_tbl, |
|
|
|
|
.probe = r6040_init_one, |
|
|
|
|
.remove = __devexit_p(r6040_remove_one), |
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static int __init rdc_init (void) |
|
|
|
|
static int __init r6040_init (void) |
|
|
|
|
{ |
|
|
|
|
RDC_DBUG("rdc_init()", 0); |
|
|
|
|
RDC_DBUG("r6040_init()", 0); |
|
|
|
|
|
|
|
|
|
printk(version); |
|
|
|
|
printed_version = 1; |
|
|
|
|
|
|
|
|
|
return pci_module_init (&rdc_driver); |
|
|
|
|
return pci_module_init (&r6040_driver); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static void __exit rdc_cleanup (void) |
|
|
|
|
static void __exit r6040_cleanup (void) |
|
|
|
|
{ |
|
|
|
|
RDC_DBUG("rdc_cleanup()", 0); |
|
|
|
|
pci_unregister_driver (&rdc_driver); |
|
|
|
|
RDC_DBUG("r6040_cleanup()", 0); |
|
|
|
|
pci_unregister_driver (&r6040_driver); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
module_init(rdc_init); |
|
|
|
|
module_exit(rdc_cleanup); |
|
|
|
|
module_init(r6040_init); |
|
|
|
|
module_exit(r6040_cleanup); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Local variables: |
|
|
|
|
* compile-command: "gcc -DMODULE -D__KERNEL__ -I/usr/src/linux/net/inet -Wall -Wstrict-prototypes -O6 -c rdc.c `[ -f /usr/include/linux/modversions.h ] && echo -DMODVERSIONS`" |
|
|
|
|
* compile-command: "gcc -DMODULE -D__KERNEL__ -I/usr/src/linux/net/inet -Wall -Wstrict-prototypes -O6 -c r6040.c `[ -f /usr/include/linux/modversions.h ] && echo -DMODVERSIONS`" |
|
|
|
|
* c-indent-level: 4 |
|
|
|
|
* c-basic-offset: 4 |
|
|
|
|
* tab-width: 4 |
|
|
|
|
* End: |
|
|
|
|
*/ |
|
|
|
|
|
|
|
|
|
#ifdef FORICPLUS |
|
|
|
|
#define DMZ_GPIO 1 |
|
|
|
|
#define RDC3210_CFGREG_ADDR 0x0CF8 |
|
|
|
|
#define RDC3210_CFGREG_DATA 0x0CFC |
|
|
|
|
static void process_ioctl(struct net_device *dev, unsigned long* args) |
|
|
|
|
{ |
|
|
|
|
int ioaddr = dev->base_addr; |
|
|
|
|
|
|
|
|
|
/* port priority */ |
|
|
|
|
if(args[0]&(1<<31))phy_write(ioaddr,29,19,(phy_read(ioaddr,29,19)|0x2000)); /* port 0 */ |
|
|
|
|
if(args[0]&(1<<29))phy_write(ioaddr,29,19,(phy_read(ioaddr,29,19)|0x0020)); /* port 1 */ |
|
|
|
|
if(args[0]&(1<<27))phy_write(ioaddr,29,20,(phy_read(ioaddr,29,20)|0x2000)); /* port 2 */ |
|
|
|
|
if(args[0]&(1<<25))phy_write(ioaddr,29,20,(phy_read(ioaddr,29,20)|0x0020)); /* port 3 */ |
|
|
|
|
|
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|
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/* DMZ LED */ |
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{
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unsigned int val; |
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val = 0x80000000 | (7 << 11) | ((0x48)); |
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outl(val, RDC3210_CFGREG_ADDR); |
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udelay(10); |
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val = inl(RDC3210_CFGREG_DATA); |
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val |= (0x1 << DMZ_GPIO); |
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outl(val, RDC3210_CFGREG_DATA); |
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udelay(10); |
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val = 0x80000000 | (7 << 11) | ((0x4C)); |
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outl(val, RDC3210_CFGREG_ADDR); |
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udelay(10); |
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val = inl(RDC3210_CFGREG_DATA); |
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if(args[0]&(1<<23)) /* DMZ enabled */ |
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val &= ~(0x1 << DMZ_GPIO); /* low activated */ |
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else val |= (0x1 << DMZ_GPIO); |
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outl(val, RDC3210_CFGREG_DATA); |
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udelay(10); |
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} |
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}
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#endif /* FORICPLUS */ |
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