dmfe.c
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上传日期:2013-02-24
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文件大小:59k
- /*
- A Davicom DM9102/DM9102A/DM9102A+DM9801/DM9102A+DM9802 NIC fast
- ethernet driver for Linux.
- Copyright (C) 1997 Sten Wang
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License
- as published by the Free Software Foundation; either version 2
- of the License, or (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- DAVICOM Web-Site: www.davicom.com.tw
- Author: Sten Wang, 886-3-5798797-8517, E-mail: sten_wang@davicom.com.tw
- Maintainer: Tobias Ringstrom <tori@unhappy.mine.nu>
- (C)Copyright 1997-1998 DAVICOM Semiconductor,Inc. All Rights Reserved.
- Marcelo Tosatti <marcelo@conectiva.com.br> :
- Made it compile in 2.3 (device to net_device)
- Alan Cox <alan@redhat.com> :
- Cleaned up for kernel merge.
- Removed the back compatibility support
- Reformatted, fixing spelling etc as I went
- Removed IRQ 0-15 assumption
- Jeff Garzik <jgarzik@mandrakesoft.com> :
- Updated to use new PCI driver API.
- Resource usage cleanups.
- Report driver version to user.
- Tobias Ringstrom <tori@unhappy.mine.nu> :
- Cleaned up and added SMP safety. Thanks go to Jeff Garzik,
- Andrew Morton and Frank Davis for the SMP safety fixes.
- Vojtech Pavlik <vojtech@suse.cz> :
- Cleaned up pointer arithmetics.
- Fixed a lot of 64bit issues.
- Cleaned up printk()s a bit.
- Fixed some obvious big endian problems.
- Tobias Ringstrom <tori@unhappy.mine.nu> :
- Use time_after for jiffies calculation. Added ethtool
- support. Updated PCI resource allocation. Do not
- forget to unmap PCI mapped skbs.
- TODO
- Implement pci_driver::suspend() and pci_driver::resume()
- power management methods.
- Check on 64 bit boxes.
- Check and fix on big endian boxes.
- Test and make sure PCI latency is now correct for all cases.
- */
- #define DRV_NAME "dmfe"
- #define DRV_VERSION "1.36.4"
- #define DRV_RELDATE "2002-01-17"
- #include <linux/module.h>
- #include <linux/kernel.h>
- #include <linux/sched.h>
- #include <linux/string.h>
- #include <linux/timer.h>
- #include <linux/ptrace.h>
- #include <linux/errno.h>
- #include <linux/ioport.h>
- #include <linux/slab.h>
- #include <linux/interrupt.h>
- #include <linux/pci.h>
- #include <linux/init.h>
- #include <linux/version.h>
- #include <linux/netdevice.h>
- #include <linux/etherdevice.h>
- #include <linux/ethtool.h>
- #include <linux/skbuff.h>
- #include <linux/delay.h>
- #include <linux/spinlock.h>
- #include <asm/processor.h>
- #include <asm/bitops.h>
- #include <asm/io.h>
- #include <asm/dma.h>
- #include <asm/uaccess.h>
- /* Board/System/Debug information/definition ---------------- */
- #define PCI_DM9132_ID 0x91321282 /* Davicom DM9132 ID */
- #define PCI_DM9102_ID 0x91021282 /* Davicom DM9102 ID */
- #define PCI_DM9100_ID 0x91001282 /* Davicom DM9100 ID */
- #define PCI_DM9009_ID 0x90091282 /* Davicom DM9009 ID */
- #define DM9102_IO_SIZE 0x80
- #define DM9102A_IO_SIZE 0x100
- #define TX_MAX_SEND_CNT 0x1 /* Maximum tx packet per time */
- #define TX_DESC_CNT 0x10 /* Allocated Tx descriptors */
- #define RX_DESC_CNT 0x20 /* Allocated Rx descriptors */
- #define TX_FREE_DESC_CNT (TX_DESC_CNT - 2) /* Max TX packet count */
- #define TX_WAKE_DESC_CNT (TX_DESC_CNT - 3) /* TX wakeup count */
- #define DESC_ALL_CNT (TX_DESC_CNT + RX_DESC_CNT)
- #define TX_BUF_ALLOC 0x600
- #define RX_ALLOC_SIZE 0x620
- #define DM910X_RESET 1
- #define CR0_DEFAULT 0x00E00000 /* TX & RX burst mode */
- #define CR6_DEFAULT 0x00080000 /* HD */
- #define CR7_DEFAULT 0x180c1
- #define CR15_DEFAULT 0x06 /* TxJabber RxWatchdog */
- #define TDES0_ERR_MASK 0x4302 /* TXJT, LC, EC, FUE */
- #define MAX_PACKET_SIZE 1514
- #define DMFE_MAX_MULTICAST 14
- #define RX_COPY_SIZE 100
- #define MAX_CHECK_PACKET 0x8000
- #define DM9801_NOISE_FLOOR 8
- #define DM9802_NOISE_FLOOR 5
- #define DMFE_10MHF 0
- #define DMFE_100MHF 1
- #define DMFE_10MFD 4
- #define DMFE_100MFD 5
- #define DMFE_AUTO 8
- #define DMFE_1M_HPNA 0x10
- #define DMFE_TXTH_72 0x400000 /* TX TH 72 byte */
- #define DMFE_TXTH_96 0x404000 /* TX TH 96 byte */
- #define DMFE_TXTH_128 0x0000 /* TX TH 128 byte */
- #define DMFE_TXTH_256 0x4000 /* TX TH 256 byte */
- #define DMFE_TXTH_512 0x8000 /* TX TH 512 byte */
- #define DMFE_TXTH_1K 0xC000 /* TX TH 1K byte */
- #define DMFE_TIMER_WUT (jiffies + HZ * 1)/* timer wakeup time : 1 second */
- #define DMFE_TX_TIMEOUT ((3*HZ)/2) /* tx packet time-out time 1.5 s" */
- #define DMFE_TX_KICK (HZ/2) /* tx packet Kick-out time 0.5 s" */
- #define DMFE_DBUG(dbug_now, msg, value) if (dmfe_debug || (dbug_now)) printk(KERN_ERR DRV_NAME ": %s %lxn", (msg), (long) (value))
- #define SHOW_MEDIA_TYPE(mode) printk(KERN_ERR DRV_NAME ": Change Speed to %sMhz %s duplexn",mode & 1 ?"100":"10", mode & 4 ? "full":"half");
- /* CR9 definition: SROM/MII */
- #define CR9_SROM_READ 0x4800
- #define CR9_SRCS 0x1
- #define CR9_SRCLK 0x2
- #define CR9_CRDOUT 0x8
- #define SROM_DATA_0 0x0
- #define SROM_DATA_1 0x4
- #define PHY_DATA_1 0x20000
- #define PHY_DATA_0 0x00000
- #define MDCLKH 0x10000
- #define PHY_POWER_DOWN 0x800
- #define SROM_V41_CODE 0x14
- #define SROM_CLK_WRITE(data, ioaddr) outl(data|CR9_SROM_READ|CR9_SRCS,ioaddr);udelay(5);outl(data|CR9_SROM_READ|CR9_SRCS|CR9_SRCLK,ioaddr);udelay(5);outl(data|CR9_SROM_READ|CR9_SRCS,ioaddr);udelay(5);
- #define __CHK_IO_SIZE(pci_id, dev_rev) ( ((pci_id)==PCI_DM9132_ID) || ((dev_rev) >= 0x02000030) ) ? DM9102A_IO_SIZE: DM9102_IO_SIZE
- #define CHK_IO_SIZE(pci_dev, dev_rev) __CHK_IO_SIZE(((pci_dev)->device << 16) | (pci_dev)->vendor, dev_rev)
- /* Sten Check */
- #define DEVICE net_device
- /* Structure/enum declaration ------------------------------- */
- struct tx_desc {
- u32 tdes0, tdes1, tdes2, tdes3; /* Data for the card */
- char *tx_buf_ptr; /* Data for us */
- struct tx_desc *next_tx_desc;
- } __attribute__(( aligned(32) ));
- struct rx_desc {
- u32 rdes0, rdes1, rdes2, rdes3; /* Data for the card */
- struct sk_buff *rx_skb_ptr; /* Data for us */
- struct rx_desc *next_rx_desc;
- } __attribute__(( aligned(32) ));
- struct dmfe_board_info {
- u32 chip_id; /* Chip vendor/Device ID */
- u32 chip_revision; /* Chip revision */
- struct DEVICE *next_dev; /* next device */
- struct pci_dev *pdev; /* PCI device */
- spinlock_t lock;
- long ioaddr; /* I/O base address */
- u32 cr0_data;
- u32 cr5_data;
- u32 cr6_data;
- u32 cr7_data;
- u32 cr15_data;
- /* pointer for memory physical address */
- dma_addr_t buf_pool_dma_ptr; /* Tx buffer pool memory */
- dma_addr_t buf_pool_dma_start; /* Tx buffer pool align dword */
- dma_addr_t desc_pool_dma_ptr; /* descriptor pool memory */
- dma_addr_t first_tx_desc_dma;
- dma_addr_t first_rx_desc_dma;
- /* descriptor pointer */
- unsigned char *buf_pool_ptr; /* Tx buffer pool memory */
- unsigned char *buf_pool_start; /* Tx buffer pool align dword */
- unsigned char *desc_pool_ptr; /* descriptor pool memory */
- struct tx_desc *first_tx_desc;
- struct tx_desc *tx_insert_ptr;
- struct tx_desc *tx_remove_ptr;
- struct rx_desc *first_rx_desc;
- struct rx_desc *rx_insert_ptr;
- struct rx_desc *rx_ready_ptr; /* packet come pointer */
- unsigned long tx_packet_cnt; /* transmitted packet count */
- unsigned long tx_queue_cnt; /* wait to send packet count */
- unsigned long rx_avail_cnt; /* available rx descriptor count */
- unsigned long interval_rx_cnt; /* rx packet count a callback time */
- u16 HPNA_command; /* For HPNA register 16 */
- u16 HPNA_timer; /* For HPNA remote device check */
- u16 dbug_cnt;
- u16 NIC_capability; /* NIC media capability */
- u16 PHY_reg4; /* Saved Phyxcer register 4 value */
- u8 HPNA_present; /* 0:none, 1:DM9801, 2:DM9802 */
- u8 chip_type; /* Keep DM9102A chip type */
- u8 media_mode; /* user specify media mode */
- u8 op_mode; /* real work media mode */
- u8 phy_addr;
- u8 link_failed; /* Ever link failed */
- u8 wait_reset; /* Hardware failed, need to reset */
- u8 dm910x_chk_mode; /* Operating mode check */
- u8 first_in_callback; /* Flag to record state */
- struct timer_list timer;
- /* System defined statistic counter */
- struct net_device_stats stats;
- /* Driver defined statistic counter */
- unsigned long tx_fifo_underrun;
- unsigned long tx_loss_carrier;
- unsigned long tx_no_carrier;
- unsigned long tx_late_collision;
- unsigned long tx_excessive_collision;
- unsigned long tx_jabber_timeout;
- unsigned long reset_count;
- unsigned long reset_cr8;
- unsigned long reset_fatal;
- unsigned long reset_TXtimeout;
- /* NIC SROM data */
- unsigned char srom[128];
- };
- enum dmfe_offsets {
- DCR0 = 0x00, DCR1 = 0x08, DCR2 = 0x10, DCR3 = 0x18, DCR4 = 0x20,
- DCR5 = 0x28, DCR6 = 0x30, DCR7 = 0x38, DCR8 = 0x40, DCR9 = 0x48,
- DCR10 = 0x50, DCR11 = 0x58, DCR12 = 0x60, DCR13 = 0x68, DCR14 = 0x70,
- DCR15 = 0x78
- };
- enum dmfe_CR6_bits {
- CR6_RXSC = 0x2, CR6_PBF = 0x8, CR6_PM = 0x40, CR6_PAM = 0x80,
- CR6_FDM = 0x200, CR6_TXSC = 0x2000, CR6_STI = 0x100000,
- CR6_SFT = 0x200000, CR6_RXA = 0x40000000, CR6_NO_PURGE = 0x20000000
- };
- /* Global variable declaration ----------------------------- */
- static int __devinitdata printed_version;
- static char version[] __devinitdata =
- KERN_INFO DRV_NAME ": Davicom DM9xxx net driver, version "
- DRV_VERSION " (" DRV_RELDATE ")n";
- static int dmfe_debug;
- static unsigned char dmfe_media_mode = DMFE_AUTO;
- static u32 dmfe_cr6_user_set;
- /* For module input parameter */
- static int debug;
- static u32 cr6set;
- static unsigned char mode = 8;
- static u8 chkmode = 1;
- static u8 HPNA_mode; /* Default: Low Power/High Speed */
- static u8 HPNA_rx_cmd; /* Default: Disable Rx remote command */
- static u8 HPNA_tx_cmd; /* Default: Don't issue remote command */
- static u8 HPNA_NoiseFloor; /* Default: HPNA NoiseFloor */
- static u8 SF_mode; /* Special Function: 1:VLAN, 2:RX Flow Control
- 4: TX pause packet */
- unsigned long CrcTable[256] = {
- 0x00000000L, 0x77073096L, 0xEE0E612CL, 0x990951BAL,
- 0x076DC419L, 0x706AF48FL, 0xE963A535L, 0x9E6495A3L,
- 0x0EDB8832L, 0x79DCB8A4L, 0xE0D5E91EL, 0x97D2D988L,
- 0x09B64C2BL, 0x7EB17CBDL, 0xE7B82D07L, 0x90BF1D91L,
- 0x1DB71064L, 0x6AB020F2L, 0xF3B97148L, 0x84BE41DEL,
- 0x1ADAD47DL, 0x6DDDE4EBL, 0xF4D4B551L, 0x83D385C7L,
- 0x136C9856L, 0x646BA8C0L, 0xFD62F97AL, 0x8A65C9ECL,
- 0x14015C4FL, 0x63066CD9L, 0xFA0F3D63L, 0x8D080DF5L,
- 0x3B6E20C8L, 0x4C69105EL, 0xD56041E4L, 0xA2677172L,
- 0x3C03E4D1L, 0x4B04D447L, 0xD20D85FDL, 0xA50AB56BL,
- 0x35B5A8FAL, 0x42B2986CL, 0xDBBBC9D6L, 0xACBCF940L,
- 0x32D86CE3L, 0x45DF5C75L, 0xDCD60DCFL, 0xABD13D59L,
- 0x26D930ACL, 0x51DE003AL, 0xC8D75180L, 0xBFD06116L,
- 0x21B4F4B5L, 0x56B3C423L, 0xCFBA9599L, 0xB8BDA50FL,
- 0x2802B89EL, 0x5F058808L, 0xC60CD9B2L, 0xB10BE924L,
- 0x2F6F7C87L, 0x58684C11L, 0xC1611DABL, 0xB6662D3DL,
- 0x76DC4190L, 0x01DB7106L, 0x98D220BCL, 0xEFD5102AL,
- 0x71B18589L, 0x06B6B51FL, 0x9FBFE4A5L, 0xE8B8D433L,
- 0x7807C9A2L, 0x0F00F934L, 0x9609A88EL, 0xE10E9818L,
- 0x7F6A0DBBL, 0x086D3D2DL, 0x91646C97L, 0xE6635C01L,
- 0x6B6B51F4L, 0x1C6C6162L, 0x856530D8L, 0xF262004EL,
- 0x6C0695EDL, 0x1B01A57BL, 0x8208F4C1L, 0xF50FC457L,
- 0x65B0D9C6L, 0x12B7E950L, 0x8BBEB8EAL, 0xFCB9887CL,
- 0x62DD1DDFL, 0x15DA2D49L, 0x8CD37CF3L, 0xFBD44C65L,
- 0x4DB26158L, 0x3AB551CEL, 0xA3BC0074L, 0xD4BB30E2L,
- 0x4ADFA541L, 0x3DD895D7L, 0xA4D1C46DL, 0xD3D6F4FBL,
- 0x4369E96AL, 0x346ED9FCL, 0xAD678846L, 0xDA60B8D0L,
- 0x44042D73L, 0x33031DE5L, 0xAA0A4C5FL, 0xDD0D7CC9L,
- 0x5005713CL, 0x270241AAL, 0xBE0B1010L, 0xC90C2086L,
- 0x5768B525L, 0x206F85B3L, 0xB966D409L, 0xCE61E49FL,
- 0x5EDEF90EL, 0x29D9C998L, 0xB0D09822L, 0xC7D7A8B4L,
- 0x59B33D17L, 0x2EB40D81L, 0xB7BD5C3BL, 0xC0BA6CADL,
- 0xEDB88320L, 0x9ABFB3B6L, 0x03B6E20CL, 0x74B1D29AL,
- 0xEAD54739L, 0x9DD277AFL, 0x04DB2615L, 0x73DC1683L,
- 0xE3630B12L, 0x94643B84L, 0x0D6D6A3EL, 0x7A6A5AA8L,
- 0xE40ECF0BL, 0x9309FF9DL, 0x0A00AE27L, 0x7D079EB1L,
- 0xF00F9344L, 0x8708A3D2L, 0x1E01F268L, 0x6906C2FEL,
- 0xF762575DL, 0x806567CBL, 0x196C3671L, 0x6E6B06E7L,
- 0xFED41B76L, 0x89D32BE0L, 0x10DA7A5AL, 0x67DD4ACCL,
- 0xF9B9DF6FL, 0x8EBEEFF9L, 0x17B7BE43L, 0x60B08ED5L,
- 0xD6D6A3E8L, 0xA1D1937EL, 0x38D8C2C4L, 0x4FDFF252L,
- 0xD1BB67F1L, 0xA6BC5767L, 0x3FB506DDL, 0x48B2364BL,
- 0xD80D2BDAL, 0xAF0A1B4CL, 0x36034AF6L, 0x41047A60L,
- 0xDF60EFC3L, 0xA867DF55L, 0x316E8EEFL, 0x4669BE79L,
- 0xCB61B38CL, 0xBC66831AL, 0x256FD2A0L, 0x5268E236L,
- 0xCC0C7795L, 0xBB0B4703L, 0x220216B9L, 0x5505262FL,
- 0xC5BA3BBEL, 0xB2BD0B28L, 0x2BB45A92L, 0x5CB36A04L,
- 0xC2D7FFA7L, 0xB5D0CF31L, 0x2CD99E8BL, 0x5BDEAE1DL,
- 0x9B64C2B0L, 0xEC63F226L, 0x756AA39CL, 0x026D930AL,
- 0x9C0906A9L, 0xEB0E363FL, 0x72076785L, 0x05005713L,
- 0x95BF4A82L, 0xE2B87A14L, 0x7BB12BAEL, 0x0CB61B38L,
- 0x92D28E9BL, 0xE5D5BE0DL, 0x7CDCEFB7L, 0x0BDBDF21L,
- 0x86D3D2D4L, 0xF1D4E242L, 0x68DDB3F8L, 0x1FDA836EL,
- 0x81BE16CDL, 0xF6B9265BL, 0x6FB077E1L, 0x18B74777L,
- 0x88085AE6L, 0xFF0F6A70L, 0x66063BCAL, 0x11010B5CL,
- 0x8F659EFFL, 0xF862AE69L, 0x616BFFD3L, 0x166CCF45L,
- 0xA00AE278L, 0xD70DD2EEL, 0x4E048354L, 0x3903B3C2L,
- 0xA7672661L, 0xD06016F7L, 0x4969474DL, 0x3E6E77DBL,
- 0xAED16A4AL, 0xD9D65ADCL, 0x40DF0B66L, 0x37D83BF0L,
- 0xA9BCAE53L, 0xDEBB9EC5L, 0x47B2CF7FL, 0x30B5FFE9L,
- 0xBDBDF21CL, 0xCABAC28AL, 0x53B39330L, 0x24B4A3A6L,
- 0xBAD03605L, 0xCDD70693L, 0x54DE5729L, 0x23D967BFL,
- 0xB3667A2EL, 0xC4614AB8L, 0x5D681B02L, 0x2A6F2B94L,
- 0xB40BBE37L, 0xC30C8EA1L, 0x5A05DF1BL, 0x2D02EF8DL
- };
- /* function declaration ------------------------------------- */
- static int dmfe_open(struct DEVICE *);
- static int dmfe_start_xmit(struct sk_buff *, struct DEVICE *);
- static int dmfe_stop(struct DEVICE *);
- static struct net_device_stats * dmfe_get_stats(struct DEVICE *);
- static void dmfe_set_filter_mode(struct DEVICE *);
- static int dmfe_do_ioctl(struct DEVICE *, struct ifreq *, int);
- static u16 read_srom_word(long ,int);
- static void dmfe_interrupt(int , void *, struct pt_regs *);
- static void dmfe_descriptor_init(struct dmfe_board_info *, unsigned long);
- static void allocate_rx_buffer(struct dmfe_board_info *);
- static void update_cr6(u32, unsigned long);
- static void send_filter_frame(struct DEVICE * ,int);
- static void dm9132_id_table(struct DEVICE * ,int);
- static u16 phy_read(unsigned long, u8, u8, u32);
- static void phy_write(unsigned long, u8, u8, u16, u32);
- static void phy_write_1bit(unsigned long, u32);
- static u16 phy_read_1bit(unsigned long);
- static u8 dmfe_sense_speed(struct dmfe_board_info *);
- static void dmfe_process_mode(struct dmfe_board_info *);
- static void dmfe_timer(unsigned long);
- static void dmfe_rx_packet(struct DEVICE *, struct dmfe_board_info *);
- static void dmfe_free_tx_pkt(struct DEVICE *, struct dmfe_board_info *);
- static void dmfe_reuse_skb(struct dmfe_board_info *, struct sk_buff *);
- static void dmfe_dynamic_reset(struct DEVICE *);
- static void dmfe_free_rxbuffer(struct dmfe_board_info *);
- static void dmfe_init_dm910x(struct DEVICE *);
- static unsigned long cal_CRC(unsigned char *, unsigned int, u8);
- static void dmfe_parse_srom(struct dmfe_board_info *);
- static void dmfe_program_DM9801(struct dmfe_board_info *, int);
- static void dmfe_program_DM9802(struct dmfe_board_info *);
- static void dmfe_HPNA_remote_cmd_chk(struct dmfe_board_info * );
- static void dmfe_set_phyxcer(struct dmfe_board_info *);
- /* DM910X network baord routine ---------------------------- */
- /*
- * Search DM910X board ,allocate space and register it
- */
- static int __devinit dmfe_init_one (struct pci_dev *pdev,
- const struct pci_device_id *ent)
- {
- struct dmfe_board_info *db; /* board information structure */
- struct net_device *dev;
- u32 dev_rev, pci_pmr;
- int i, err;
- DMFE_DBUG(0, "dmfe_init_one()", 0);
- if (!printed_version++)
- printk(version);
- /* Init network device */
- dev = alloc_etherdev(sizeof(*db));
- if (dev == NULL)
- return -ENOMEM;
- SET_MODULE_OWNER(dev);
- if (pci_set_dma_mask(pdev, 0xffffffff)) {
- printk(KERN_WARNING DRV_NAME ": 32-bit PCI DMA not available.n");
- err = -ENODEV;
- goto err_out_free;
- }
- /* Enable Master/IO access, Disable memory access */
- err = pci_enable_device(pdev);
- if (err)
- goto err_out_free;
- if (!pci_resource_start(pdev, 0)) {
- printk(KERN_ERR DRV_NAME ": I/O base is zeron");
- err = -ENODEV;
- goto err_out_disable;
- }
- /* Read Chip revision */
- pci_read_config_dword(pdev, PCI_REVISION_ID, &dev_rev);
- if (pci_resource_len(pdev, 0) < (CHK_IO_SIZE(pdev, dev_rev)) ) {
- printk(KERN_ERR DRV_NAME ": Allocated I/O size too smalln");
- err = -ENODEV;
- goto err_out_disable;
- }
- #if 0 /* pci_{enable_device,set_master} sets minimum latency for us now */
- /* Set Latency Timer 80h */
- /* FIXME: setting values > 32 breaks some SiS 559x stuff.
- Need a PCI quirk.. */
- pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x80);
- #endif
- if (pci_request_regions(pdev, DRV_NAME)) {
- printk(KERN_ERR DRV_NAME ": Failed to request PCI regionsn");
- err = -ENODEV;
- goto err_out_disable;
- }
- /* Init system & device */
- db = dev->priv;
- /* Allocate Tx/Rx descriptor memory */
- db->desc_pool_ptr = pci_alloc_consistent(pdev, sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20, &db->desc_pool_dma_ptr);
- db->buf_pool_ptr = pci_alloc_consistent(pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4, &db->buf_pool_dma_ptr);
- db->first_tx_desc = (struct tx_desc *) db->desc_pool_ptr;
- db->first_tx_desc_dma = db->desc_pool_dma_ptr;
- db->buf_pool_start = db->buf_pool_ptr;
- db->buf_pool_dma_start = db->buf_pool_dma_ptr;
- db->chip_id = ent->driver_data;
- db->ioaddr = pci_resource_start(pdev, 0);
- db->chip_revision = dev_rev;
- db->pdev = pdev;
- dev->base_addr = db->ioaddr;
- dev->irq = pdev->irq;
- pci_set_drvdata(pdev, dev);
- dev->open = &dmfe_open;
- dev->hard_start_xmit = &dmfe_start_xmit;
- dev->stop = &dmfe_stop;
- dev->get_stats = &dmfe_get_stats;
- dev->set_multicast_list = &dmfe_set_filter_mode;
- dev->do_ioctl = &dmfe_do_ioctl;
- spin_lock_init(&db->lock);
- pci_read_config_dword(pdev, 0x50, &pci_pmr);
- pci_pmr &= 0x70000;
- if ( (pci_pmr == 0x10000) && (dev_rev == 0x02000031) )
- db->chip_type = 1; /* DM9102A E3 */
- else
- db->chip_type = 0;
- /* read 64 word srom data */
- for (i = 0; i < 64; i++)
- ((u16 *) db->srom)[i] = cpu_to_le16(read_srom_word(db->ioaddr, i));
- /* Set Node address */
- for (i = 0; i < 6; i++)
- dev->dev_addr[i] = db->srom[20 + i];
- err = register_netdev (dev);
- if (err)
- goto err_out_res;
- printk(KERN_INFO "%s: Davicom DM%04lx at pci%s,",
- dev->name,
- ent->driver_data >> 16,
- pdev->slot_name);
- for (i = 0; i < 6; i++)
- printk("%c%02x", i ? ':' : ' ', dev->dev_addr[i]);
- printk(", irq %d.n", dev->irq);
- pci_set_master(pdev);
- return 0;
- err_out_res:
- pci_release_regions(pdev);
- err_out_disable:
- pci_disable_device(pdev);
- err_out_free:
- pci_set_drvdata(pdev, NULL);
- kfree(dev);
- return err;
- }
- static void __devexit dmfe_remove_one (struct pci_dev *pdev)
- {
- struct net_device *dev = pci_get_drvdata(pdev);
- struct dmfe_board_info *db = dev->priv;
- DMFE_DBUG(0, "dmfe_remove_one()", 0);
- if (dev) {
- pci_free_consistent(db->pdev, sizeof(struct tx_desc) *
- DESC_ALL_CNT + 0x20, db->desc_pool_ptr,
- db->desc_pool_dma_ptr);
- pci_free_consistent(db->pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4,
- db->buf_pool_ptr, db->buf_pool_dma_ptr);
- unregister_netdev(dev);
- pci_release_regions(pdev);
- kfree(dev); /* free board information */
- pci_set_drvdata(pdev, NULL);
- }
- DMFE_DBUG(0, "dmfe_remove_one() exit", 0);
- }
- /*
- * Open the interface.
- * The interface is opened whenever "ifconfig" actives it.
- */
- static int dmfe_open(struct DEVICE *dev)
- {
- int ret;
- struct dmfe_board_info *db = dev->priv;
- DMFE_DBUG(0, "dmfe_open", 0);
- ret = request_irq(dev->irq, &dmfe_interrupt, SA_SHIRQ, dev->name, dev);
- if (ret)
- return ret;
- /* system variable init */
- db->cr6_data = CR6_DEFAULT | dmfe_cr6_user_set;
- db->tx_packet_cnt = 0;
- db->tx_queue_cnt = 0;
- db->rx_avail_cnt = 0;
- db->link_failed = 1;
- db->wait_reset = 0;
- db->first_in_callback = 0;
- db->NIC_capability = 0xf; /* All capability*/
- db->PHY_reg4 = 0x1e0;
- /* CR6 operation mode decision */
- if ( !chkmode || (db->chip_id == PCI_DM9132_ID) ||
- (db->chip_revision >= 0x02000030) ) {
- db->cr6_data |= DMFE_TXTH_256;
- db->cr0_data = CR0_DEFAULT;
- db->dm910x_chk_mode=4; /* Enter the normal mode */
- } else {
- db->cr6_data |= CR6_SFT; /* Store & Forward mode */
- db->cr0_data = 0;
- db->dm910x_chk_mode = 1; /* Enter the check mode */
- }
- /* Initilize DM910X board */
- dmfe_init_dm910x(dev);
- /* Active System Interface */
- netif_wake_queue(dev);
- /* set and active a timer process */
- init_timer(&db->timer);
- db->timer.expires = DMFE_TIMER_WUT + HZ * 2;
- db->timer.data = (unsigned long)dev;
- db->timer.function = &dmfe_timer;
- add_timer(&db->timer);
- return 0;
- }
- /* Initilize DM910X board
- * Reset DM910X board
- * Initilize TX/Rx descriptor chain structure
- * Send the set-up frame
- * Enable Tx/Rx machine
- */
- static void dmfe_init_dm910x(struct DEVICE *dev)
- {
- struct dmfe_board_info *db = dev->priv;
- unsigned long ioaddr = db->ioaddr;
- DMFE_DBUG(0, "dmfe_init_dm910x()", 0);
- /* Reset DM910x MAC controller */
- outl(DM910X_RESET, ioaddr + DCR0); /* RESET MAC */
- udelay(100);
- outl(db->cr0_data, ioaddr + DCR0);
- udelay(5);
- /* Phy addr : DM910(A)2/DM9132/9801, phy address = 1 */
- db->phy_addr = 1;
- /* Parser SROM and media mode */
- dmfe_parse_srom(db);
- db->media_mode = dmfe_media_mode;
- /* RESET Phyxcer Chip by GPR port bit 7 */
- outl(0x180, ioaddr + DCR12); /* Let bit 7 output port */
- if (db->chip_id == PCI_DM9009_ID) {
- outl(0x80, ioaddr + DCR12); /* Issue RESET signal */
- mdelay(300); /* Delay 300 ms */
- }
- outl(0x0, ioaddr + DCR12); /* Clear RESET signal */
- /* Process Phyxcer Media Mode */
- if ( !(db->media_mode & 0x10) ) /* Force 1M mode */
- dmfe_set_phyxcer(db);
- /* Media Mode Process */
- if ( !(db->media_mode & DMFE_AUTO) )
- db->op_mode = db->media_mode; /* Force Mode */
- /* Initiliaze Transmit/Receive decriptor and CR3/4 */
- dmfe_descriptor_init(db, ioaddr);
- /* Init CR6 to program DM910x operation */
- update_cr6(db->cr6_data, ioaddr);
- /* Send setup frame */
- if (db->chip_id == PCI_DM9132_ID)
- dm9132_id_table(dev, dev->mc_count); /* DM9132 */
- else
- send_filter_frame(dev, dev->mc_count); /* DM9102/DM9102A */
- /* Init CR7, interrupt active bit */
- db->cr7_data = CR7_DEFAULT;
- outl(db->cr7_data, ioaddr + DCR7);
- /* Init CR15, Tx jabber and Rx watchdog timer */
- outl(db->cr15_data, ioaddr + DCR15);
- /* Enable DM910X Tx/Rx function */
- db->cr6_data |= CR6_RXSC | CR6_TXSC | 0x40000;
- update_cr6(db->cr6_data, ioaddr);
- }
- /*
- * Hardware start transmission.
- * Send a packet to media from the upper layer.
- */
- static int dmfe_start_xmit(struct sk_buff *skb, struct DEVICE *dev)
- {
- struct dmfe_board_info *db = dev->priv;
- struct tx_desc *txptr;
- unsigned long flags;
- DMFE_DBUG(0, "dmfe_start_xmit", 0);
- /* Resource flag check */
- netif_stop_queue(dev);
- /* Too large packet check */
- if (skb->len > MAX_PACKET_SIZE) {
- printk(KERN_ERR DRV_NAME ": big packet = %dn", (u16)skb->len);
- dev_kfree_skb(skb);
- return 0;
- }
- spin_lock_irqsave(&db->lock, flags);
- /* No Tx resource check, it never happen nromally */
- if (db->tx_queue_cnt >= TX_FREE_DESC_CNT) {
- spin_unlock_irqrestore(&db->lock, flags);
- printk(KERN_ERR DRV_NAME ": No Tx resource %ldn", db->tx_queue_cnt);
- return 1;
- }
- /* Disable NIC interrupt */
- outl(0, dev->base_addr + DCR7);
- /* transmit this packet */
- txptr = db->tx_insert_ptr;
- memcpy(txptr->tx_buf_ptr, skb->data, skb->len);
- txptr->tdes1 = cpu_to_le32(0xe1000000 | skb->len);
- /* Point to next transmit free descriptor */
- db->tx_insert_ptr = txptr->next_tx_desc;
- /* Transmit Packet Process */
- if ( (!db->tx_queue_cnt) && (db->tx_packet_cnt < TX_MAX_SEND_CNT) ) {
- txptr->tdes0 = cpu_to_le32(0x80000000); /* Set owner bit */
- db->tx_packet_cnt++; /* Ready to send */
- outl(0x1, dev->base_addr + DCR1); /* Issue Tx polling */
- dev->trans_start = jiffies; /* saved time stamp */
- } else {
- db->tx_queue_cnt++; /* queue TX packet */
- outl(0x1, dev->base_addr + DCR1); /* Issue Tx polling */
- }
- /* Tx resource check */
- if ( db->tx_queue_cnt < TX_FREE_DESC_CNT )
- netif_wake_queue(dev);
- /* free this SKB */
- dev_kfree_skb(skb);
- /* Restore CR7 to enable interrupt */
- spin_unlock_irqrestore(&db->lock, flags);
- outl(db->cr7_data, dev->base_addr + DCR7);
- return 0;
- }
- /*
- * Stop the interface.
- * The interface is stopped when it is brought.
- */
- static int dmfe_stop(struct DEVICE *dev)
- {
- struct dmfe_board_info *db = dev->priv;
- unsigned long ioaddr = dev->base_addr;
- DMFE_DBUG(0, "dmfe_stop", 0);
- /* disable system */
- netif_stop_queue(dev);
- /* deleted timer */
- del_timer_sync(&db->timer);
- /* Reset & stop DM910X board */
- outl(DM910X_RESET, ioaddr + DCR0);
- udelay(5);
- phy_write(db->ioaddr, db->phy_addr, 0, 0x8000, db->chip_id);
- /* free interrupt */
- free_irq(dev->irq, dev);
- /* free allocated rx buffer */
- dmfe_free_rxbuffer(db);
- #if 0
- /* show statistic counter */
- printk(DRV_NAME ": FU:%lx EC:%lx LC:%lx NC:%lx LOC:%lx TXJT:%lx RESET:%lx RCR8:%lx FAL:%lx TT:%lxn",
- db->tx_fifo_underrun, db->tx_excessive_collision,
- db->tx_late_collision, db->tx_no_carrier, db->tx_loss_carrier,
- db->tx_jabber_timeout, db->reset_count, db->reset_cr8,
- db->reset_fatal, db->reset_TXtimeout);
- #endif
- return 0;
- }
- /*
- * DM9102 insterrupt handler
- * receive the packet to upper layer, free the transmitted packet
- */
- static void dmfe_interrupt(int irq, void *dev_id, struct pt_regs *regs)
- {
- struct DEVICE *dev = dev_id;
- struct dmfe_board_info *db = (struct dmfe_board_info *) dev->priv;
- unsigned long ioaddr = dev->base_addr;
- unsigned long flags;
- DMFE_DBUG(0, "dmfe_interrupt()", 0);
- if (!dev) {
- DMFE_DBUG(1, "dmfe_interrupt() without DEVICE arg", 0);
- return;
- }
- spin_lock_irqsave(&db->lock, flags);
- /* Got DM910X status */
- db->cr5_data = inl(ioaddr + DCR5);
- outl(db->cr5_data, ioaddr + DCR5);
- if ( !(db->cr5_data & 0xc1) ) {
- spin_unlock_irqrestore(&db->lock, flags);
- return;
- }
- /* Disable all interrupt in CR7 to solve the interrupt edge problem */
- outl(0, ioaddr + DCR7);
- /* Check system status */
- if (db->cr5_data & 0x2000) {
- /* system bus error happen */
- DMFE_DBUG(1, "System bus error happen. CR5=", db->cr5_data);
- db->reset_fatal++;
- db->wait_reset = 1; /* Need to RESET */
- spin_unlock_irqrestore(&db->lock, flags);
- return;
- }
- /* Received the coming packet */
- if ( (db->cr5_data & 0x40) && db->rx_avail_cnt )
- dmfe_rx_packet(dev, db);
- /* reallocate rx descriptor buffer */
- if (db->rx_avail_cnt<RX_DESC_CNT)
- allocate_rx_buffer(db);
- /* Free the transmitted descriptor */
- if ( db->cr5_data & 0x01)
- dmfe_free_tx_pkt(dev, db);
- /* Mode Check */
- if (db->dm910x_chk_mode & 0x2) {
- db->dm910x_chk_mode = 0x4;
- db->cr6_data |= 0x100;
- update_cr6(db->cr6_data, db->ioaddr);
- }
- /* Restore CR7 to enable interrupt mask */
- outl(db->cr7_data, ioaddr + DCR7);
- spin_unlock_irqrestore(&db->lock, flags);
- }
- /*
- * Free TX resource after TX complete
- */
- static void dmfe_free_tx_pkt(struct DEVICE *dev, struct dmfe_board_info * db)
- {
- struct tx_desc *txptr;
- unsigned long ioaddr = dev->base_addr;
- u32 tdes0;
- txptr = db->tx_remove_ptr;
- while(db->tx_packet_cnt) {
- tdes0 = le32_to_cpu(txptr->tdes0);
- /* printk(DRV_NAME ": tdes0=%xn", tdes0); */
- if (tdes0 & 0x80000000)
- break;
- /* A packet sent completed */
- db->tx_packet_cnt--;
- db->stats.tx_packets++;
- /* Transmit statistic counter */
- if ( tdes0 != 0x7fffffff ) {
- /* printk(DRV_NAME ": tdes0=%xn", tdes0); */
- db->stats.collisions += (tdes0 >> 3) & 0xf;
- db->stats.tx_bytes += le32_to_cpu(txptr->tdes1) & 0x7ff;
- if (tdes0 & TDES0_ERR_MASK) {
- db->stats.tx_errors++;
- if (tdes0 & 0x0002) { /* UnderRun */
- db->tx_fifo_underrun++;
- if ( !(db->cr6_data & CR6_SFT) ) {
- db->cr6_data = db->cr6_data | CR6_SFT;
- update_cr6(db->cr6_data, db->ioaddr);
- }
- }
- if (tdes0 & 0x0100)
- db->tx_excessive_collision++;
- if (tdes0 & 0x0200)
- db->tx_late_collision++;
- if (tdes0 & 0x0400)
- db->tx_no_carrier++;
- if (tdes0 & 0x0800)
- db->tx_loss_carrier++;
- if (tdes0 & 0x4000)
- db->tx_jabber_timeout++;
- }
- }
- txptr = txptr->next_tx_desc;
- }/* End of while */
- /* Update TX remove pointer to next */
- db->tx_remove_ptr = txptr;
- /* Send the Tx packet in queue */
- if ( (db->tx_packet_cnt < TX_MAX_SEND_CNT) && db->tx_queue_cnt ) {
- txptr->tdes0 = cpu_to_le32(0x80000000); /* Set owner bit */
- db->tx_packet_cnt++; /* Ready to send */
- db->tx_queue_cnt--;
- outl(0x1, ioaddr + DCR1); /* Issue Tx polling */
- dev->trans_start = jiffies; /* saved time stamp */
- }
- /* Resource available check */
- if ( db->tx_queue_cnt < TX_WAKE_DESC_CNT )
- netif_wake_queue(dev); /* Active upper layer, send again */
- }
- /*
- * Receive the come packet and pass to upper layer
- */
- static void dmfe_rx_packet(struct DEVICE *dev, struct dmfe_board_info * db)
- {
- struct rx_desc *rxptr;
- struct sk_buff *skb;
- int rxlen;
- u32 rdes0;
- rxptr = db->rx_ready_ptr;
- while(db->rx_avail_cnt) {
- rdes0 = le32_to_cpu(rxptr->rdes0);
- if (rdes0 & 0x80000000) /* packet owner check */
- break;
- db->rx_avail_cnt--;
- db->interval_rx_cnt++;
- pci_unmap_single(db->pdev, le32_to_cpu(rxptr->rdes2), RX_ALLOC_SIZE, PCI_DMA_FROMDEVICE);
- if ( (rdes0 & 0x300) != 0x300) {
- /* A packet without First/Last flag */
- /* reuse this SKB */
- DMFE_DBUG(0, "Reuse SK buffer, rdes0", rdes0);
- dmfe_reuse_skb(db, rxptr->rx_skb_ptr);
- } else {
- /* A packet with First/Last flag */
- rxlen = ( (rdes0 >> 16) & 0x3fff) - 4;
- /* error summary bit check */
- if (rdes0 & 0x8000) {
- /* This is a error packet */
- //printk(DRV_NAME ": rdes0: %lxn", rdes0);
- db->stats.rx_errors++;
- if (rdes0 & 1)
- db->stats.rx_fifo_errors++;
- if (rdes0 & 2)
- db->stats.rx_crc_errors++;
- if (rdes0 & 0x80)
- db->stats.rx_length_errors++;
- }
- if ( !(rdes0 & 0x8000) ||
- ((db->cr6_data & CR6_PM) && (rxlen>6)) ) {
- skb = rxptr->rx_skb_ptr;
- /* Received Packet CRC check need or not */
- if ( (db->dm910x_chk_mode & 1) &&
- (cal_CRC(skb->tail, rxlen, 1) !=
- (*(u32 *) (skb->tail+rxlen) ))) { /* FIXME (?) */
- /* Found a error received packet */
- dmfe_reuse_skb(db, rxptr->rx_skb_ptr);
- db->dm910x_chk_mode = 3;
- } else {
- /* Good packet, send to upper layer */
- /* Shorst packet used new SKB */
- if ( (rxlen < RX_COPY_SIZE) &&
- ( (skb = dev_alloc_skb(rxlen + 2) )
- != NULL) ) {
- /* size less than COPY_SIZE, allocate a rxlen SKB */
- skb->dev = dev;
- skb_reserve(skb, 2); /* 16byte align */
- memcpy(skb_put(skb, rxlen), rxptr->rx_skb_ptr->tail, rxlen);
- dmfe_reuse_skb(db, rxptr->rx_skb_ptr);
- } else {
- skb->dev = dev;
- skb_put(skb, rxlen);
- }
- skb->protocol = eth_type_trans(skb, dev);
- netif_rx(skb);
- dev->last_rx = jiffies;
- db->stats.rx_packets++;
- db->stats.rx_bytes += rxlen;
- }
- } else {
- /* Reuse SKB buffer when the packet is error */
- DMFE_DBUG(0, "Reuse SK buffer, rdes0", rdes0);
- dmfe_reuse_skb(db, rxptr->rx_skb_ptr);
- }
- }
- rxptr = rxptr->next_rx_desc;
- }
- db->rx_ready_ptr = rxptr;
- }
- /*
- * Get statistics from driver.
- */
- static struct net_device_stats * dmfe_get_stats(struct DEVICE *dev)
- {
- struct dmfe_board_info *db = (struct dmfe_board_info *)dev->priv;
- DMFE_DBUG(0, "dmfe_get_stats", 0);
- return &db->stats;
- }
- /*
- * Set DM910X multicast address
- */
- static void dmfe_set_filter_mode(struct DEVICE * dev)
- {
- struct dmfe_board_info *db = dev->priv;
- unsigned long flags;
- DMFE_DBUG(0, "dmfe_set_filter_mode()", 0);
- spin_lock_irqsave(&db->lock, flags);
- if (dev->flags & IFF_PROMISC) {
- DMFE_DBUG(0, "Enable PROM Mode", 0);
- db->cr6_data |= CR6_PM | CR6_PBF;
- update_cr6(db->cr6_data, db->ioaddr);
- spin_unlock_irqrestore(&db->lock, flags);
- return;
- }
- if (dev->flags & IFF_ALLMULTI || dev->mc_count > DMFE_MAX_MULTICAST) {
- DMFE_DBUG(0, "Pass all multicast address", dev->mc_count);
- db->cr6_data &= ~(CR6_PM | CR6_PBF);
- db->cr6_data |= CR6_PAM;
- spin_unlock_irqrestore(&db->lock, flags);
- return;
- }
- DMFE_DBUG(0, "Set multicast address", dev->mc_count);
- if (db->chip_id == PCI_DM9132_ID)
- dm9132_id_table(dev, dev->mc_count); /* DM9132 */
- else
- send_filter_frame(dev, dev->mc_count); /* DM9102/DM9102A */
- spin_unlock_irqrestore(&db->lock, flags);
- }
- /*
- * Process the ethtool ioctl command
- */
- static int dmfe_ethtool_ioctl(struct net_device *dev, void *useraddr)
- {
- struct dmfe_board_info *db = dev->priv;
- struct ethtool_drvinfo info = { ETHTOOL_GDRVINFO };
- u32 ethcmd;
- if (copy_from_user(ðcmd, useraddr, sizeof(ethcmd)))
- return -EFAULT;
- switch (ethcmd) {
- case ETHTOOL_GDRVINFO:
- strcpy(info.driver, DRV_NAME);
- strcpy(info.version, DRV_VERSION);
- if (db->pdev)
- strcpy(info.bus_info, db->pdev->slot_name);
- else
- sprintf(info.bus_info, "EISA 0x%lx %d",
- dev->base_addr, dev->irq);
- if (copy_to_user(useraddr, &info, sizeof(info)))
- return -EFAULT;
- return 0;
- }
- return -EOPNOTSUPP;
- }
- /*
- * Process the upper socket ioctl command
- */
- static int dmfe_do_ioctl(struct DEVICE *dev, struct ifreq *ifr, int cmd)
- {
- int retval = -EOPNOTSUPP;
- DMFE_DBUG(0, "dmfe_do_ioctl()", 0);
- switch(cmd) {
- case SIOCETHTOOL:
- return dmfe_ethtool_ioctl(dev, (void*)ifr->ifr_data);
- }
- return retval;
- }
- /*
- * A periodic timer routine
- * Dynamic media sense, allocate Rx buffer...
- */
- static void dmfe_timer(unsigned long data)
- {
- u32 tmp_cr8;
- unsigned char tmp_cr12;
- struct DEVICE *dev = (struct DEVICE *) data;
- struct dmfe_board_info *db = (struct dmfe_board_info *) dev->priv;
- unsigned long flags;
- DMFE_DBUG(0, "dmfe_timer()", 0);
- spin_lock_irqsave(&db->lock, flags);
- /* Media mode process when Link OK before enter this route */
- if (db->first_in_callback == 0) {
- db->first_in_callback = 1;
- if (db->chip_type && (db->chip_id==PCI_DM9102_ID)) {
- db->cr6_data &= ~0x40000;
- update_cr6(db->cr6_data, db->ioaddr);
- phy_write(db->ioaddr, db->phy_addr, 0, 0x1000, db->chip_id);
- db->cr6_data |= 0x40000;
- update_cr6(db->cr6_data, db->ioaddr);
- db->timer.expires = DMFE_TIMER_WUT + HZ * 2;
- add_timer(&db->timer);
- spin_unlock_irqrestore(&db->lock, flags);
- return;
- }
- }
- /* Operating Mode Check */
- if ( (db->dm910x_chk_mode & 0x1) &&
- (db->stats.rx_packets > MAX_CHECK_PACKET) )
- db->dm910x_chk_mode = 0x4;
- /* Dynamic reset DM910X : system error or transmit time-out */
- tmp_cr8 = inl(db->ioaddr + DCR8);
- if ( (db->interval_rx_cnt==0) && (tmp_cr8) ) {
- db->reset_cr8++;
- db->wait_reset = 1;
- }
- db->interval_rx_cnt = 0;
- /* TX polling kick monitor */
- if ( db->tx_packet_cnt &&
- time_after(jiffies, dev->trans_start + DMFE_TX_KICK) ) {
- outl(0x1, dev->base_addr + DCR1); /* Tx polling again */
- /* TX Timeout */
- if ( time_after(jiffies, dev->trans_start + DMFE_TX_TIMEOUT) ) {
- db->reset_TXtimeout++;
- db->wait_reset = 1;
- printk(KERN_WARNING "%s: Tx timeout - resettingn",
- dev->name);
- }
- }
- if (db->wait_reset) {
- DMFE_DBUG(0, "Dynamic Reset device", db->tx_packet_cnt);
- db->reset_count++;
- dmfe_dynamic_reset(dev);
- db->first_in_callback = 0;
- db->timer.expires = DMFE_TIMER_WUT;
- add_timer(&db->timer);
- spin_unlock_irqrestore(&db->lock, flags);
- return;
- }
- /* Link status check, Dynamic media type change */
- if (db->chip_id == PCI_DM9132_ID)
- tmp_cr12 = inb(db->ioaddr + DCR9 + 3); /* DM9132 */
- else
- tmp_cr12 = inb(db->ioaddr + DCR12); /* DM9102/DM9102A */
- if ( ((db->chip_id == PCI_DM9102_ID) &&
- (db->chip_revision == 0x02000030)) ||
- ((db->chip_id == PCI_DM9132_ID) &&
- (db->chip_revision == 0x02000010)) ) {
- /* DM9102A Chip */
- if (tmp_cr12 & 2)
- tmp_cr12 = 0x0; /* Link failed */
- else
- tmp_cr12 = 0x3; /* Link OK */
- }
- if ( !(tmp_cr12 & 0x3) && !db->link_failed ) {
- /* Link Failed */
- DMFE_DBUG(0, "Link Failed", tmp_cr12);
- db->link_failed = 1;
- /* For Force 10/100M Half/Full mode: Enable Auto-Nego mode */
- /* AUTO or force 1M Homerun/Longrun don't need */
- if ( !(db->media_mode & 0x38) )
- phy_write(db->ioaddr, db->phy_addr, 0, 0x1000, db->chip_id);
- /* AUTO mode, if INT phyxcer link failed, select EXT device */
- if (db->media_mode & DMFE_AUTO) {
- /* 10/100M link failed, used 1M Home-Net */
- db->cr6_data|=0x00040000; /* bit18=1, MII */
- db->cr6_data&=~0x00000200; /* bit9=0, HD mode */
- update_cr6(db->cr6_data, db->ioaddr);
- }
- } else
- if ((tmp_cr12 & 0x3) && db->link_failed) {
- DMFE_DBUG(0, "Link link OK", tmp_cr12);
- db->link_failed = 0;
- /* Auto Sense Speed */
- if ( (db->media_mode & DMFE_AUTO) &&
- dmfe_sense_speed(db) )
- db->link_failed = 1;
- dmfe_process_mode(db);
- /* SHOW_MEDIA_TYPE(db->op_mode); */
- }
- /* HPNA remote command check */
- if (db->HPNA_command & 0xf00) {
- db->HPNA_timer--;
- if (!db->HPNA_timer)
- dmfe_HPNA_remote_cmd_chk(db);
- }
- /* Timer active again */
- db->timer.expires = DMFE_TIMER_WUT;
- add_timer(&db->timer);
- spin_unlock_irqrestore(&db->lock, flags);
- }
- /*
- * Dynamic reset the DM910X board
- * Stop DM910X board
- * Free Tx/Rx allocated memory
- * Reset DM910X board
- * Re-initilize DM910X board
- */
- static void dmfe_dynamic_reset(struct DEVICE *dev)
- {
- struct dmfe_board_info *db = dev->priv;
- DMFE_DBUG(0, "dmfe_dynamic_reset()", 0);
- /* Sopt MAC controller */
- db->cr6_data &= ~(CR6_RXSC | CR6_TXSC); /* Disable Tx/Rx */
- update_cr6(db->cr6_data, dev->base_addr);
- outl(0, dev->base_addr + DCR7); /* Disable Interrupt */
- outl(inl(dev->base_addr + DCR5), dev->base_addr + DCR5);
- /* Disable upper layer interface */
- netif_stop_queue(dev);
- /* Free Rx Allocate buffer */
- dmfe_free_rxbuffer(db);
- /* system variable init */
- db->tx_packet_cnt = 0;
- db->tx_queue_cnt = 0;
- db->rx_avail_cnt = 0;
- db->link_failed = 1;
- db->wait_reset = 0;
- /* Re-initilize DM910X board */
- dmfe_init_dm910x(dev);
- /* Restart upper layer interface */
- netif_wake_queue(dev);
- }
- /*
- * free all allocated rx buffer
- */
- static void dmfe_free_rxbuffer(struct dmfe_board_info * db)
- {
- DMFE_DBUG(0, "dmfe_free_rxbuffer()", 0);
- /* free allocated rx buffer */
- while (db->rx_avail_cnt) {
- dev_kfree_skb(db->rx_ready_ptr->rx_skb_ptr);
- db->rx_ready_ptr = db->rx_ready_ptr->next_rx_desc;
- db->rx_avail_cnt--;
- }
- }
- /*
- * Reuse the SK buffer
- */
- static void dmfe_reuse_skb(struct dmfe_board_info *db, struct sk_buff * skb)
- {
- struct rx_desc *rxptr = db->rx_insert_ptr;
- if (!(rxptr->rdes0 & cpu_to_le32(0x80000000))) {
- rxptr->rx_skb_ptr = skb;
- rxptr->rdes2 = cpu_to_le32( pci_map_single(db->pdev, skb->tail, RX_ALLOC_SIZE, PCI_DMA_FROMDEVICE) );
- wmb();
- rxptr->rdes0 = cpu_to_le32(0x80000000);
- db->rx_avail_cnt++;
- db->rx_insert_ptr = rxptr->next_rx_desc;
- } else
- DMFE_DBUG(0, "SK Buffer reuse method error", db->rx_avail_cnt);
- }
- /*
- * Initialize transmit/Receive descriptor
- * Using Chain structure, and allocate Tx/Rx buffer
- */
- static void dmfe_descriptor_init(struct dmfe_board_info *db, unsigned long ioaddr)
- {
- struct tx_desc *tmp_tx;
- struct rx_desc *tmp_rx;
- unsigned char *tmp_buf;
- dma_addr_t tmp_tx_dma, tmp_rx_dma;
- dma_addr_t tmp_buf_dma;
- int i;
- DMFE_DBUG(0, "dmfe_descriptor_init()", 0);
- /* tx descriptor start pointer */
- db->tx_insert_ptr = db->first_tx_desc;
- db->tx_remove_ptr = db->first_tx_desc;
- outl(db->first_tx_desc_dma, ioaddr + DCR4); /* TX DESC address */
- /* rx descriptor start pointer */
- db->first_rx_desc = (void *)db->first_tx_desc + sizeof(struct tx_desc) * TX_DESC_CNT;
- db->first_rx_desc_dma = db->first_tx_desc_dma + sizeof(struct tx_desc) * TX_DESC_CNT;
- db->rx_insert_ptr = db->first_rx_desc;
- db->rx_ready_ptr = db->first_rx_desc;
- outl(db->first_rx_desc_dma, ioaddr + DCR3); /* RX DESC address */
- /* Init Transmit chain */
- tmp_buf = db->buf_pool_start;
- tmp_buf_dma = db->buf_pool_dma_start;
- tmp_tx_dma = db->first_tx_desc_dma;
- for (tmp_tx = db->first_tx_desc, i = 0; i < TX_DESC_CNT; i++, tmp_tx++) {
- tmp_tx->tx_buf_ptr = tmp_buf;
- tmp_tx->tdes0 = cpu_to_le32(0);
- tmp_tx->tdes1 = cpu_to_le32(0x81000000); /* IC, chain */
- tmp_tx->tdes2 = cpu_to_le32(tmp_buf_dma);
- tmp_tx_dma += sizeof(struct tx_desc);
- tmp_tx->tdes3 = cpu_to_le32(tmp_tx_dma);
- tmp_tx->next_tx_desc = tmp_tx + 1;
- tmp_buf = tmp_buf + TX_BUF_ALLOC;
- tmp_buf_dma = tmp_buf_dma + TX_BUF_ALLOC;
- }
- (--tmp_tx)->tdes3 = cpu_to_le32(db->first_tx_desc_dma);
- tmp_tx->next_tx_desc = db->first_tx_desc;
- /* Init Receive descriptor chain */
- tmp_rx_dma=db->first_rx_desc_dma;
- for (tmp_rx = db->first_rx_desc, i = 0; i < RX_DESC_CNT; i++, tmp_rx++) {
- tmp_rx->rdes0 = cpu_to_le32(0);
- tmp_rx->rdes1 = cpu_to_le32(0x01000600);
- tmp_rx_dma += sizeof(struct rx_desc);
- tmp_rx->rdes3 = cpu_to_le32(tmp_rx_dma);
- tmp_rx->next_rx_desc = tmp_rx + 1;
- }
- (--tmp_rx)->rdes3 = cpu_to_le32(db->first_rx_desc_dma);
- tmp_rx->next_rx_desc = db->first_rx_desc;
- /* pre-allocate Rx buffer */
- allocate_rx_buffer(db);
- }
- /*
- * Update CR6 value
- * Firstly stop DM910X , then written value and start
- */
- static void update_cr6(u32 cr6_data, unsigned long ioaddr)
- {
- u32 cr6_tmp;
- cr6_tmp = cr6_data & ~0x2002; /* stop Tx/Rx */
- outl(cr6_tmp, ioaddr + DCR6);
- udelay(5);
- outl(cr6_data, ioaddr + DCR6);
- udelay(5);
- }
- /*
- * Send a setup frame for DM9132
- * This setup frame initilize DM910X addres filter mode
- */
- static void dm9132_id_table(struct DEVICE *dev, int mc_cnt)
- {
- struct dev_mc_list *mcptr;
- u16 * addrptr;
- unsigned long ioaddr = dev->base_addr+0xc0; /* ID Table */
- u32 hash_val;
- u16 i, hash_table[4];
- DMFE_DBUG(0, "dm9132_id_table()", 0);
- /* Node address */
- addrptr = (u16 *) dev->dev_addr;
- outw(addrptr[0], ioaddr);
- ioaddr += 4;
- outw(addrptr[1], ioaddr);
- ioaddr += 4;
- outw(addrptr[2], ioaddr);
- ioaddr += 4;
- /* Clear Hash Table */
- for (i = 0; i < 4; i++)
- hash_table[i] = 0x0;
- /* broadcast address */
- hash_table[3] = 0x8000;
- /* the multicast address in Hash Table : 64 bits */
- for (mcptr = dev->mc_list, i = 0; i < mc_cnt; i++, mcptr = mcptr->next) {
- hash_val = cal_CRC( (char *) mcptr->dmi_addr, 6, 0) & 0x3f;
- hash_table[hash_val / 16] |= (u16) 1 << (hash_val % 16);
- }
- /* Write the hash table to MAC MD table */
- for (i = 0; i < 4; i++, ioaddr += 4)
- outw(hash_table[i], ioaddr);
- }
- /*
- * Send a setup frame for DM9102/DM9102A
- * This setup frame initilize DM910X addres filter mode
- */
- static void send_filter_frame(struct DEVICE *dev, int mc_cnt)
- {
- struct dmfe_board_info *db = dev->priv;
- struct dev_mc_list *mcptr;
- struct tx_desc *txptr;
- u16 * addrptr;
- u32 * suptr;
- int i;
- DMFE_DBUG(0, "send_filter_frame()", 0);
- txptr = db->tx_insert_ptr;
- suptr = (u32 *) txptr->tx_buf_ptr;
- /* Node address */
- addrptr = (u16 *) dev->dev_addr;
- *suptr++ = addrptr[0];
- *suptr++ = addrptr[1];
- *suptr++ = addrptr[2];
- /* broadcast address */
- *suptr++ = 0xffff;
- *suptr++ = 0xffff;
- *suptr++ = 0xffff;
- /* fit the multicast address */
- for (mcptr = dev->mc_list, i = 0; i < mc_cnt; i++, mcptr = mcptr->next) {
- addrptr = (u16 *) mcptr->dmi_addr;
- *suptr++ = addrptr[0];
- *suptr++ = addrptr[1];
- *suptr++ = addrptr[2];
- }
- for (; i<14; i++) {
- *suptr++ = 0xffff;
- *suptr++ = 0xffff;
- *suptr++ = 0xffff;
- }
- /* prepare the setup frame */
- db->tx_insert_ptr = txptr->next_tx_desc;
- txptr->tdes1 = cpu_to_le32(0x890000c0);
- /* Resource Check and Send the setup packet */
- if (!db->tx_packet_cnt) {
- /* Resource Empty */
- db->tx_packet_cnt++;
- txptr->tdes0 = cpu_to_le32(0x80000000);
- update_cr6(db->cr6_data | 0x2000, dev->base_addr);
- outl(0x1, dev->base_addr + DCR1); /* Issue Tx polling */
- update_cr6(db->cr6_data, dev->base_addr);
- dev->trans_start = jiffies;
- } else
- db->tx_queue_cnt++; /* Put in TX queue */
- }
- /*
- * Allocate rx buffer,
- * As possible as allocate maxiumn Rx buffer
- */
- static void allocate_rx_buffer(struct dmfe_board_info *db)
- {
- struct rx_desc *rxptr;
- struct sk_buff *skb;
- rxptr = db->rx_insert_ptr;
- while(db->rx_avail_cnt < RX_DESC_CNT) {
- if ( ( skb = dev_alloc_skb(RX_ALLOC_SIZE) ) == NULL )
- break;
- rxptr->rx_skb_ptr = skb; /* FIXME (?) */
- rxptr->rdes2 = cpu_to_le32( pci_map_single(db->pdev, skb->tail, RX_ALLOC_SIZE, PCI_DMA_FROMDEVICE) );
- wmb();
- rxptr->rdes0 = cpu_to_le32(0x80000000);
- rxptr = rxptr->next_rx_desc;
- db->rx_avail_cnt++;
- }
- db->rx_insert_ptr = rxptr;
- }
- /*
- * Read one word data from the serial ROM
- */
- static u16 read_srom_word(long ioaddr, int offset)
- {
- int i;
- u16 srom_data = 0;
- long cr9_ioaddr = ioaddr + DCR9;
- outl(CR9_SROM_READ, cr9_ioaddr);
- outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr);
- /* Send the Read Command 110b */
- SROM_CLK_WRITE(SROM_DATA_1, cr9_ioaddr);
- SROM_CLK_WRITE(SROM_DATA_1, cr9_ioaddr);
- SROM_CLK_WRITE(SROM_DATA_0, cr9_ioaddr);
- /* Send the offset */
- for (i = 5; i >= 0; i--) {
- srom_data = (offset & (1 << i)) ? SROM_DATA_1 : SROM_DATA_0;
- SROM_CLK_WRITE(srom_data, cr9_ioaddr);
- }
- outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr);
- for (i = 16; i > 0; i--) {
- outl(CR9_SROM_READ | CR9_SRCS | CR9_SRCLK, cr9_ioaddr);
- udelay(5);
- srom_data = (srom_data << 1) | ((inl(cr9_ioaddr) & CR9_CRDOUT) ? 1 : 0);
- outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr);
- udelay(5);
- }
- outl(CR9_SROM_READ, cr9_ioaddr);
- return srom_data;
- }
- /*
- * Auto sense the media mode
- */
- static u8 dmfe_sense_speed(struct dmfe_board_info * db)
- {
- u8 ErrFlag = 0;
- u16 phy_mode;
- /* CR6 bit18=0, select 10/100M */
- update_cr6( (db->cr6_data & ~0x40000), db->ioaddr);
- phy_mode = phy_read(db->ioaddr, db->phy_addr, 1, db->chip_id);
- phy_mode = phy_read(db->ioaddr, db->phy_addr, 1, db->chip_id);
- if ( (phy_mode & 0x24) == 0x24 ) {
- if (db->chip_id == PCI_DM9132_ID) /* DM9132 */
- phy_mode = phy_read(db->ioaddr, db->phy_addr, 7, db->chip_id) & 0xf000;
- else /* DM9102/DM9102A */
- phy_mode = phy_read(db->ioaddr, db->phy_addr, 17, db->chip_id) & 0xf000;
- /* printk(DRV_NAME ": Phy_mode %x ",phy_mode); */
- switch (phy_mode) {
- case 0x1000: db->op_mode = DMFE_10MHF; break;
- case 0x2000: db->op_mode = DMFE_10MFD; break;
- case 0x4000: db->op_mode = DMFE_100MHF; break;
- case 0x8000: db->op_mode = DMFE_100MFD; break;
- default: db->op_mode = DMFE_10MHF;
- ErrFlag = 1;
- break;
- }
- } else {
- db->op_mode = DMFE_10MHF;
- DMFE_DBUG(0, "Link Failed :", phy_mode);
- ErrFlag = 1;
- }
- return ErrFlag;
- }
- /*
- * Set 10/100 phyxcer capability
- * AUTO mode : phyxcer register4 is NIC capability
- * Force mode: phyxcer register4 is the force media
- */
- static void dmfe_set_phyxcer(struct dmfe_board_info *db)
- {
- u16 phy_reg;
- /* Select 10/100M phyxcer */
- db->cr6_data &= ~0x40000;
- update_cr6(db->cr6_data, db->ioaddr);
- /* DM9009 Chip: Phyxcer reg18 bit12=0 */
- if (db->chip_id == PCI_DM9009_ID) {
- phy_reg = phy_read(db->ioaddr, db->phy_addr, 18, db->chip_id) & ~0x1000;
- phy_write(db->ioaddr, db->phy_addr, 18, phy_reg, db->chip_id);
- }
- /* Phyxcer capability setting */
- phy_reg = phy_read(db->ioaddr, db->phy_addr, 4, db->chip_id) & ~0x01e0;
- if (db->media_mode & DMFE_AUTO) {
- /* AUTO Mode */
- phy_reg |= db->PHY_reg4;
- } else {
- /* Force Mode */
- switch(db->media_mode) {
- case DMFE_10MHF: phy_reg |= 0x20; break;
- case DMFE_10MFD: phy_reg |= 0x40; break;
- case DMFE_100MHF: phy_reg |= 0x80; break;
- case DMFE_100MFD: phy_reg |= 0x100; break;
- }
- if (db->chip_id == PCI_DM9009_ID) phy_reg &= 0x61;
- }
- /* Write new capability to Phyxcer Reg4 */
- if ( !(phy_reg & 0x01e0)) {
- phy_reg|=db->PHY_reg4;
- db->media_mode|=DMFE_AUTO;
- }
- phy_write(db->ioaddr, db->phy_addr, 4, phy_reg, db->chip_id);
- /* Restart Auto-Negotiation */
- if ( db->chip_type && (db->chip_id == PCI_DM9102_ID) )
- phy_write(db->ioaddr, db->phy_addr, 0, 0x1800, db->chip_id);
- if ( !db->chip_type )
- phy_write(db->ioaddr, db->phy_addr, 0, 0x1200, db->chip_id);
- }
- /*
- * Process op-mode
- * AUTO mode : PHY controller in Auto-negotiation Mode
- * Force mode: PHY controller in force mode with HUB
- * N-way force capability with SWITCH
- */
- static void dmfe_process_mode(struct dmfe_board_info *db)
- {
- u16 phy_reg;
- /* Full Duplex Mode Check */
- if (db->op_mode & 0x4)
- db->cr6_data |= CR6_FDM; /* Set Full Duplex Bit */
- else
- db->cr6_data &= ~CR6_FDM; /* Clear Full Duplex Bit */
- /* Transciver Selection */
- if (db->op_mode & 0x10) /* 1M HomePNA */
- db->cr6_data |= 0x40000;/* External MII select */
- else
- db->cr6_data &= ~0x40000;/* Internal 10/100 transciver */
- update_cr6(db->cr6_data, db->ioaddr);
- /* 10/100M phyxcer force mode need */
- if ( !(db->media_mode & 0x18)) {
- /* Forece Mode */
- phy_reg = phy_read(db->ioaddr, db->phy_addr, 6, db->chip_id);
- if ( !(phy_reg & 0x1) ) {
- /* parter without N-Way capability */
- phy_reg = 0x0;
- switch(db->op_mode) {
- case DMFE_10MHF: phy_reg = 0x0; break;
- case DMFE_10MFD: phy_reg = 0x100; break;
- case DMFE_100MHF: phy_reg = 0x2000; break;
- case DMFE_100MFD: phy_reg = 0x2100; break;
- }
- phy_write(db->ioaddr, db->phy_addr, 0, phy_reg, db->chip_id);
- if ( db->chip_type && (db->chip_id == PCI_DM9102_ID) )
- mdelay(20);
- phy_write(db->ioaddr, db->phy_addr, 0, phy_reg, db->chip_id);
- }
- }
- }
- /*
- * Write a word to Phy register
- */
- static void phy_write(unsigned long iobase, u8 phy_addr, u8 offset, u16 phy_data, u32 chip_id)
- {
- u16 i;
- unsigned long ioaddr;
- if (chip_id == PCI_DM9132_ID) {
- ioaddr = iobase + 0x80 + offset * 4;
- outw(phy_data, ioaddr);
- } else {
- /* DM9102/DM9102A Chip */
- ioaddr = iobase + DCR9;
- /* Send 33 synchronization clock to Phy controller */
- for (i = 0; i < 35; i++)
- phy_write_1bit(ioaddr, PHY_DATA_1);
- /* Send start command(01) to Phy */
- phy_write_1bit(ioaddr, PHY_DATA_0);
- phy_write_1bit(ioaddr, PHY_DATA_1);
- /* Send write command(01) to Phy */
- phy_write_1bit(ioaddr, PHY_DATA_0);
- phy_write_1bit(ioaddr, PHY_DATA_1);
- /* Send Phy addres */
- for (i = 0x10; i > 0; i = i >> 1)
- phy_write_1bit(ioaddr, phy_addr & i ? PHY_DATA_1 : PHY_DATA_0);
- /* Send register addres */
- for (i = 0x10; i > 0; i = i >> 1)
- phy_write_1bit(ioaddr, offset & i ? PHY_DATA_1 : PHY_DATA_0);
- /* written trasnition */
- phy_write_1bit(ioaddr, PHY_DATA_1);
- phy_write_1bit(ioaddr, PHY_DATA_0);
- /* Write a word data to PHY controller */
- for ( i = 0x8000; i > 0; i >>= 1)
- phy_write_1bit(ioaddr, phy_data & i ? PHY_DATA_1 : PHY_DATA_0);
- }
- }
- /*
- * Read a word data from phy register
- */
- static u16 phy_read(unsigned long iobase, u8 phy_addr, u8 offset, u32 chip_id)
- {
- int i;
- u16 phy_data;
- unsigned long ioaddr;
- if (chip_id == PCI_DM9132_ID) {
- /* DM9132 Chip */
- ioaddr = iobase + 0x80 + offset * 4;
- phy_data = inw(ioaddr);
- } else {
- /* DM9102/DM9102A Chip */
- ioaddr = iobase + DCR9;
- /* Send 33 synchronization clock to Phy controller */
- for (i = 0; i < 35; i++)
- phy_write_1bit(ioaddr, PHY_DATA_1);
- /* Send start command(01) to Phy */
- phy_write_1bit(ioaddr, PHY_DATA_0);
- phy_write_1bit(ioaddr, PHY_DATA_1);
- /* Send read command(10) to Phy */
- phy_write_1bit(ioaddr, PHY_DATA_1);
- phy_write_1bit(ioaddr, PHY_DATA_0);
- /* Send Phy addres */
- for (i = 0x10; i > 0; i = i >> 1)
- phy_write_1bit(ioaddr, phy_addr & i ? PHY_DATA_1 : PHY_DATA_0);
- /* Send register addres */
- for (i = 0x10; i > 0; i = i >> 1)
- phy_write_1bit(ioaddr, offset & i ? PHY_DATA_1 : PHY_DATA_0);
- /* Skip transition state */
- phy_read_1bit(ioaddr);
- /* read 16bit data */
- for (phy_data = 0, i = 0; i < 16; i++) {
- phy_data <<= 1;
- phy_data |= phy_read_1bit(ioaddr);
- }
- }
- return phy_data;
- }
- /*
- * Write one bit data to Phy Controller
- */
- static void phy_write_1bit(unsigned long ioaddr, u32 phy_data)
- {
- outl(phy_data, ioaddr); /* MII Clock Low */
- udelay(1);
- outl(phy_data | MDCLKH, ioaddr); /* MII Clock High */
- udelay(1);
- outl(phy_data, ioaddr); /* MII Clock Low */
- udelay(1);
- }
- /*
- * Read one bit phy data from PHY controller
- */
- static u16 phy_read_1bit(unsigned long ioaddr)
- {
- u16 phy_data;
- outl(0x50000, ioaddr);
- udelay(1);
- phy_data = ( inl(ioaddr) >> 19 ) & 0x1;
- outl(0x40000, ioaddr);
- udelay(1);
- return phy_data;
- }
- /*
- * Calculate the CRC valude of the Rx packet
- * flag = 1 : return the reverse CRC (for the received packet CRC)
- * 0 : return the normal CRC (for Hash Table index)
- */
- unsigned long cal_CRC(unsigned char * Data, unsigned int Len, u8 flag)
- {
- unsigned long Crc = 0xffffffff;
- while (Len--) {
- Crc = CrcTable[(Crc ^ *Data++) & 0xFF] ^ (Crc >> 8);
- }
- if (flag)
- return ~Crc;
- else
- return Crc;
- }
- /*
- * Parser SROM and media mode
- */
- static void dmfe_parse_srom(struct dmfe_board_info * db)
- {
- char * srom = db->srom;
- int dmfe_mode, tmp_reg;
- DMFE_DBUG(0, "dmfe_parse_srom() ", 0);
- /* Init CR15 */
- db->cr15_data = CR15_DEFAULT;
- /* Check SROM Version */
- if ( ( (int) srom[18] & 0xff) == SROM_V41_CODE) {
- /* SROM V4.01 */
- /* Get NIC support media mode */
- db->NIC_capability = le16_to_cpup(srom + 34);
- db->PHY_reg4 = 0;
- for (tmp_reg = 1; tmp_reg < 0x10; tmp_reg <<= 1) {
- switch( db->NIC_capability & tmp_reg ) {
- case 0x1: db->PHY_reg4 |= 0x0020; break;
- case 0x2: db->PHY_reg4 |= 0x0040; break;
- case 0x4: db->PHY_reg4 |= 0x0080; break;
- case 0x8: db->PHY_reg4 |= 0x0100; break;
- }
- }
- /* Media Mode Force or not check */
- dmfe_mode = le32_to_cpup(srom + 34) & le32_to_cpup(srom + 36);
- switch(dmfe_mode) {
- case 0x4: dmfe_media_mode = DMFE_100MHF; break; /* 100MHF */
- case 0x2: dmfe_media_mode = DMFE_10MFD; break; /* 10MFD */
- case 0x8: dmfe_media_mode = DMFE_100MFD; break; /* 100MFD */
- case 0x100:
- case 0x200: dmfe_media_mode = DMFE_1M_HPNA; break;/* HomePNA */
- }
- /* Special Function setting */
- /* VLAN function */
- if ( (SF_mode & 0x1) || (srom[43] & 0x80) )
- db->cr15_data |= 0x40;
- /* Flow Control */
- if ( (SF_mode & 0x2) || (srom[40] & 0x1) )
- db->cr15_data |= 0x400;
- /* TX pause packet */
- if ( (SF_mode & 0x4) || (srom[40] & 0xe) )
- db->cr15_data |= 0x9800;
- }
- /* Parse HPNA parameter */
- db->HPNA_command = 1;
- /* Accept remote command or not */
- if (HPNA_rx_cmd == 0)
- db->HPNA_command |= 0x8000;
- /* Issue remote command & operation mode */
- if (HPNA_tx_cmd == 1)
- switch(HPNA_mode) { /* Issue Remote Command */
- case 0: db->HPNA_command |= 0x0904; break;
- case 1: db->HPNA_command |= 0x0a00; break;
- case 2: db->HPNA_command |= 0x0506; break;
- case 3: db->HPNA_command |= 0x0602; break;
- }
- else
- switch(HPNA_mode) { /* Don't Issue */
- case 0: db->HPNA_command |= 0x0004; break;
- case 1: db->HPNA_command |= 0x0000; break;
- case 2: db->HPNA_command |= 0x0006; break;
- case 3: db->HPNA_command |= 0x0002; break;
- }
- /* Check DM9801 or DM9802 present or not */
- db->HPNA_present = 0;
- update_cr6(db->cr6_data|0x40000, db->ioaddr);
- tmp_reg = phy_read(db->ioaddr, db->phy_addr, 3, db->chip_id);
- if ( ( tmp_reg & 0xfff0 ) == 0xb900 ) {
- /* DM9801 or DM9802 present */
- db->HPNA_timer = 8;
- if ( phy_read(db->ioaddr, db->phy_addr, 31, db->chip_id) == 0x4404) {
- /* DM9801 HomeRun */
- db->HPNA_present = 1;
- dmfe_program_DM9801(db, tmp_reg);
- } else {
- /* DM9802 LongRun */
- db->HPNA_present = 2;
- dmfe_program_DM9802(db);
- }
- }
- }
- /*
- * Init HomeRun DM9801
- */
- static void dmfe_program_DM9801(struct dmfe_board_info * db, int HPNA_rev)
- {
- uint reg17, reg25;
- if ( !HPNA_NoiseFloor ) HPNA_NoiseFloor = DM9801_NOISE_FLOOR;
- switch(HPNA_rev) {
- case 0xb900: /* DM9801 E3 */
- db->HPNA_command |= 0x1000;
- reg25 = phy_read(db->ioaddr, db->phy_addr, 24, db->chip_id);
- reg25 = ( (reg25 + HPNA_NoiseFloor) & 0xff) | 0xf000;
- reg17 = phy_read(db->ioaddr, db->phy_addr, 17, db->chip_id);
- break;
- case 0xb901: /* DM9801 E4 */
- reg25 = phy_read(db->ioaddr, db->phy_addr, 25, db->chip_id);
- reg25 = (reg25 & 0xff00) + HPNA_NoiseFloor;
- reg17 = phy_read(db->ioaddr, db->phy_addr, 17, db->chip_id);
- reg17 = (reg17 & 0xfff0) + HPNA_NoiseFloor + 3;
- break;
- case 0xb902: /* DM9801 E5 */
- case 0xb903: /* DM9801 E6 */
- default:
- db->HPNA_command |= 0x1000;
- reg25 = phy_read(db->ioaddr, db->phy_addr, 25, db->chip_id);
- reg25 = (reg25 & 0xff00) + HPNA_NoiseFloor - 5;
- reg17 = phy_read(db->ioaddr, db->phy_addr, 17, db->chip_id);
- reg17 = (reg17 & 0xfff0) + HPNA_NoiseFloor;
- break;
- }
- phy_write(db->ioaddr, db->phy_addr, 16, db->HPNA_command, db->chip_id);
- phy_write(db->ioaddr, db->phy_addr, 17, reg17, db->chip_id);
- phy_write(db->ioaddr, db->phy_addr, 25, reg25, db->chip_id);
- }
- /*
- * Init HomeRun DM9802
- */
- static void dmfe_program_DM9802(struct dmfe_board_info * db)
- {
- uint phy_reg;
- if ( !HPNA_NoiseFloor ) HPNA_NoiseFloor = DM9802_NOISE_FLOOR;
- phy_write(db->ioaddr, db->phy_addr, 16, db->HPNA_command, db->chip_id);
- phy_reg = phy_read(db->ioaddr, db->phy_addr, 25, db->chip_id);
- phy_reg = ( phy_reg & 0xff00) + HPNA_NoiseFloor;
- phy_write(db->ioaddr, db->phy_addr, 25, phy_reg, db->chip_id);
- }
- /*
- * Check remote HPNA power and speed status. If not correct,
- * issue command again.
- */
- static void dmfe_HPNA_remote_cmd_chk(struct dmfe_board_info * db)
- {
- uint phy_reg;
- /* Got remote device status */
- phy_reg = phy_read(db->ioaddr, db->phy_addr, 17, db->chip_id) & 0x60;
- switch(phy_reg) {
- case 0x00: phy_reg = 0x0a00;break; /* LP/LS */
- case 0x20: phy_reg = 0x0900;break; /* LP/HS */
- case 0x40: phy_reg = 0x0600;break; /* HP/LS */
- case 0x60: phy_reg = 0x0500;break; /* HP/HS */
- }
- /* Check remote device status match our setting ot not */
- if ( phy_reg != (db->HPNA_command & 0x0f00) ) {
- phy_write(db->ioaddr, db->phy_addr, 16, db->HPNA_command, db->chip_id);
- db->HPNA_timer=8;
- } else
- db->HPNA_timer=600; /* Match, every 10 minutes, check */
- }
- static struct pci_device_id dmfe_pci_tbl[] __devinitdata = {
- { 0x1282, 0x9132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_DM9132_ID },
- { 0x1282, 0x9102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_DM9102_ID },
- { 0x1282, 0x9100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_DM9100_ID },
- { 0x1282, 0x9009, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_DM9009_ID },
- { 0, }
- };
- MODULE_DEVICE_TABLE(pci, dmfe_pci_tbl);
- static struct pci_driver dmfe_driver = {
- name: "dmfe",
- id_table: dmfe_pci_tbl,
- probe: dmfe_init_one,
- remove: __devexit_p(dmfe_remove_one),
- };
- MODULE_AUTHOR("Sten Wang, sten_wang@davicom.com.tw");
- MODULE_DESCRIPTION("Davicom DM910X fast ethernet driver");
- MODULE_LICENSE("GPL");
- MODULE_PARM(debug, "i");
- MODULE_PARM(mode, "i");
- MODULE_PARM(cr6set, "i");
- MODULE_PARM(chkmode, "i");
- MODULE_PARM(HPNA_mode, "i");
- MODULE_PARM(HPNA_rx_cmd, "i");
- MODULE_PARM(HPNA_tx_cmd, "i");
- MODULE_PARM(HPNA_NoiseFloor, "i");
- MODULE_PARM(SF_mode, "i");
- MODULE_PARM_DESC(debug, "Davicom DM9xxx enable debugging (0-1)");
- MODULE_PARM_DESC(mode, "Davicom DM9xxx: Bit 0: 10/100Mbps, bit 2: duplex, bit 8: HomePNA");
- MODULE_PARM_DESC(SF_mode, "Davicom DM9xxx special function (bit 0: VLAN, bit 1 Flow Control, bit 2: TX pause packet)");
- /* Description:
- * when user used insmod to add module, system invoked init_module()
- * to initilize and register.
- */
- static int __init dmfe_init_module(void)
- {
- int rc;
- printk(version);
- printed_version = 1;
- DMFE_DBUG(0, "init_module() ", debug);
- if (debug)
- dmfe_debug = debug; /* set debug flag */
- if (cr6set)
- dmfe_cr6_user_set = cr6set;
- switch(mode) {
- case DMFE_10MHF:
- case DMFE_100MHF:
- case DMFE_10MFD:
- case DMFE_100MFD:
- case DMFE_1M_HPNA:
- dmfe_media_mode = mode;
- break;
- default:dmfe_media_mode = DMFE_AUTO;
- break;
- }
- if (HPNA_mode > 4)
- HPNA_mode = 0; /* Default: LP/HS */
- if (HPNA_rx_cmd > 1)
- HPNA_rx_cmd = 0; /* Default: Ignored remote cmd */
- if (HPNA_tx_cmd > 1)
- HPNA_tx_cmd = 0; /* Default: Don't issue remote cmd */
- if (HPNA_NoiseFloor > 15)
- HPNA_NoiseFloor = 0;
- rc = pci_module_init(&dmfe_driver);
- if (rc < 0)
- return rc;
- return 0;
- }
- /*
- * Description:
- * when user used rmmod to delete module, system invoked clean_module()
- * to un-register all registered services.
- */
- static void __exit dmfe_cleanup_module(void)
- {
- DMFE_DBUG(0, "dmfe_clean_module() ", debug);
- pci_unregister_driver(&dmfe_driver);
- }
- module_init(dmfe_init_module);
- module_exit(dmfe_cleanup_module);