2 A Davicom DM9102/DM9102A/DM9102A+DM9801/DM9102A+DM9802 NIC fast
3 ethernet driver for Linux.
4 Copyright (C) 1997 Sten Wang
6 This program is free software; you can redistribute it and/or
7 modify it under the terms of the GNU General Public License
8 as published by the Free Software Foundation; either version 2
9 of the License, or (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 DAVICOM Web-Site: www.davicom.com.tw
18 Author: Sten Wang, 886-3-5798797-8517, E-mail: sten_wang@davicom.com.tw
19 Maintainer: Tobias Ringstrom <tori@unhappy.mine.nu>
21 (C)Copyright 1997-1998 DAVICOM Semiconductor,Inc. All Rights Reserved.
23 Marcelo Tosatti <marcelo@conectiva.com.br> :
24 Made it compile in 2.3 (device to net_device)
26 Alan Cox <alan@redhat.com> :
27 Cleaned up for kernel merge.
28 Removed the back compatibility support
29 Reformatted, fixing spelling etc as I went
30 Removed IRQ 0-15 assumption
32 Jeff Garzik <jgarzik@pobox.com> :
33 Updated to use new PCI driver API.
34 Resource usage cleanups.
35 Report driver version to user.
37 Tobias Ringstrom <tori@unhappy.mine.nu> :
38 Cleaned up and added SMP safety. Thanks go to Jeff Garzik,
39 Andrew Morton and Frank Davis for the SMP safety fixes.
41 Vojtech Pavlik <vojtech@suse.cz> :
42 Cleaned up pointer arithmetics.
43 Fixed a lot of 64bit issues.
44 Cleaned up printk()s a bit.
45 Fixed some obvious big endian problems.
47 Tobias Ringstrom <tori@unhappy.mine.nu> :
48 Use time_after for jiffies calculation. Added ethtool
49 support. Updated PCI resource allocation. Do not
50 forget to unmap PCI mapped skbs.
52 Alan Cox <alan@redhat.com>
53 Added new PCI identifiers provided by Clear Zhang at ALi
54 for their 1563 ethernet device.
58 Implement pci_driver::suspend() and pci_driver::resume()
59 power management methods.
61 Check on 64 bit boxes.
62 Check and fix on big endian boxes.
64 Test and make sure PCI latency is now correct for all cases.
67 #define DRV_NAME "dmfe"
68 #define DRV_VERSION "1.36.4"
69 #define DRV_RELDATE "2002-01-17"
71 #include <linux/module.h>
72 #include <linux/kernel.h>
73 #include <linux/string.h>
74 #include <linux/timer.h>
75 #include <linux/ptrace.h>
76 #include <linux/errno.h>
77 #include <linux/ioport.h>
78 #include <linux/slab.h>
79 #include <linux/interrupt.h>
80 #include <linux/pci.h>
81 #include <linux/dma-mapping.h>
82 #include <linux/init.h>
83 #include <linux/netdevice.h>
84 #include <linux/etherdevice.h>
85 #include <linux/ethtool.h>
86 #include <linux/skbuff.h>
87 #include <linux/delay.h>
88 #include <linux/spinlock.h>
89 #include <linux/crc32.h>
90 #include <linux/bitops.h>
92 #include <asm/processor.h>
95 #include <asm/uaccess.h>
99 /* Board/System/Debug information/definition ---------------- */
100 #define PCI_DM9132_ID 0x91321282 /* Davicom DM9132 ID */
101 #define PCI_DM9102_ID 0x91021282 /* Davicom DM9102 ID */
102 #define PCI_DM9100_ID 0x91001282 /* Davicom DM9100 ID */
103 #define PCI_DM9009_ID 0x90091282 /* Davicom DM9009 ID */
105 #define DM9102_IO_SIZE 0x80
106 #define DM9102A_IO_SIZE 0x100
107 #define TX_MAX_SEND_CNT 0x1 /* Maximum tx packet per time */
108 #define TX_DESC_CNT 0x10 /* Allocated Tx descriptors */
109 #define RX_DESC_CNT 0x20 /* Allocated Rx descriptors */
110 #define TX_FREE_DESC_CNT (TX_DESC_CNT - 2) /* Max TX packet count */
111 #define TX_WAKE_DESC_CNT (TX_DESC_CNT - 3) /* TX wakeup count */
112 #define DESC_ALL_CNT (TX_DESC_CNT + RX_DESC_CNT)
113 #define TX_BUF_ALLOC 0x600
114 #define RX_ALLOC_SIZE 0x620
115 #define DM910X_RESET 1
116 #define CR0_DEFAULT 0x00E00000 /* TX & RX burst mode */
117 #define CR6_DEFAULT 0x00080000 /* HD */
118 #define CR7_DEFAULT 0x180c1
119 #define CR15_DEFAULT 0x06 /* TxJabber RxWatchdog */
120 #define TDES0_ERR_MASK 0x4302 /* TXJT, LC, EC, FUE */
121 #define MAX_PACKET_SIZE 1514
122 #define DMFE_MAX_MULTICAST 14
123 #define RX_COPY_SIZE 100
124 #define MAX_CHECK_PACKET 0x8000
125 #define DM9801_NOISE_FLOOR 8
126 #define DM9802_NOISE_FLOOR 5
129 #define DMFE_100MHF 1
131 #define DMFE_100MFD 5
133 #define DMFE_1M_HPNA 0x10
135 #define DMFE_TXTH_72 0x400000 /* TX TH 72 byte */
136 #define DMFE_TXTH_96 0x404000 /* TX TH 96 byte */
137 #define DMFE_TXTH_128 0x0000 /* TX TH 128 byte */
138 #define DMFE_TXTH_256 0x4000 /* TX TH 256 byte */
139 #define DMFE_TXTH_512 0x8000 /* TX TH 512 byte */
140 #define DMFE_TXTH_1K 0xC000 /* TX TH 1K byte */
142 #define DMFE_TIMER_WUT (jiffies + HZ * 1)/* timer wakeup time : 1 second */
143 #define DMFE_TX_TIMEOUT ((3*HZ)/2) /* tx packet time-out time 1.5 s" */
144 #define DMFE_TX_KICK (HZ/2) /* tx packet Kick-out time 0.5 s" */
146 #define DMFE_DBUG(dbug_now, msg, value) if (dmfe_debug || (dbug_now)) printk(KERN_ERR DRV_NAME ": %s %lx\n", (msg), (long) (value))
148 #define SHOW_MEDIA_TYPE(mode) printk(KERN_ERR DRV_NAME ": Change Speed to %sMhz %s duplex\n",mode & 1 ?"100":"10", mode & 4 ? "full":"half");
151 /* CR9 definition: SROM/MII */
152 #define CR9_SROM_READ 0x4800
154 #define CR9_SRCLK 0x2
155 #define CR9_CRDOUT 0x8
156 #define SROM_DATA_0 0x0
157 #define SROM_DATA_1 0x4
158 #define PHY_DATA_1 0x20000
159 #define PHY_DATA_0 0x00000
160 #define MDCLKH 0x10000
162 #define PHY_POWER_DOWN 0x800
164 #define SROM_V41_CODE 0x14
166 #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);
168 #define __CHK_IO_SIZE(pci_id, dev_rev) ( ((pci_id)==PCI_DM9132_ID) || ((dev_rev) >= 0x02000030) ) ? DM9102A_IO_SIZE: DM9102_IO_SIZE
169 #define CHK_IO_SIZE(pci_dev, dev_rev) __CHK_IO_SIZE(((pci_dev)->device << 16) | (pci_dev)->vendor, dev_rev)
172 #define DEVICE net_device
174 /* Structure/enum declaration ------------------------------- */
176 u32 tdes0, tdes1, tdes2, tdes3; /* Data for the card */
177 char *tx_buf_ptr; /* Data for us */
178 struct tx_desc *next_tx_desc;
179 } __attribute__(( aligned(32) ));
182 u32 rdes0, rdes1, rdes2, rdes3; /* Data for the card */
183 struct sk_buff *rx_skb_ptr; /* Data for us */
184 struct rx_desc *next_rx_desc;
185 } __attribute__(( aligned(32) ));
187 struct dmfe_board_info {
188 u32 chip_id; /* Chip vendor/Device ID */
189 u32 chip_revision; /* Chip revision */
190 struct DEVICE *next_dev; /* next device */
191 struct pci_dev *pdev; /* PCI device */
194 long ioaddr; /* I/O base address */
201 /* pointer for memory physical address */
202 dma_addr_t buf_pool_dma_ptr; /* Tx buffer pool memory */
203 dma_addr_t buf_pool_dma_start; /* Tx buffer pool align dword */
204 dma_addr_t desc_pool_dma_ptr; /* descriptor pool memory */
205 dma_addr_t first_tx_desc_dma;
206 dma_addr_t first_rx_desc_dma;
208 /* descriptor pointer */
209 unsigned char *buf_pool_ptr; /* Tx buffer pool memory */
210 unsigned char *buf_pool_start; /* Tx buffer pool align dword */
211 unsigned char *desc_pool_ptr; /* descriptor pool memory */
212 struct tx_desc *first_tx_desc;
213 struct tx_desc *tx_insert_ptr;
214 struct tx_desc *tx_remove_ptr;
215 struct rx_desc *first_rx_desc;
216 struct rx_desc *rx_insert_ptr;
217 struct rx_desc *rx_ready_ptr; /* packet come pointer */
218 unsigned long tx_packet_cnt; /* transmitted packet count */
219 unsigned long tx_queue_cnt; /* wait to send packet count */
220 unsigned long rx_avail_cnt; /* available rx descriptor count */
221 unsigned long interval_rx_cnt; /* rx packet count a callback time */
223 u16 HPNA_command; /* For HPNA register 16 */
224 u16 HPNA_timer; /* For HPNA remote device check */
226 u16 NIC_capability; /* NIC media capability */
227 u16 PHY_reg4; /* Saved Phyxcer register 4 value */
229 u8 HPNA_present; /* 0:none, 1:DM9801, 2:DM9802 */
230 u8 chip_type; /* Keep DM9102A chip type */
231 u8 media_mode; /* user specify media mode */
232 u8 op_mode; /* real work media mode */
234 u8 link_failed; /* Ever link failed */
235 u8 wait_reset; /* Hardware failed, need to reset */
236 u8 dm910x_chk_mode; /* Operating mode check */
237 u8 first_in_callback; /* Flag to record state */
238 struct timer_list timer;
240 /* System defined statistic counter */
241 struct net_device_stats stats;
243 /* Driver defined statistic counter */
244 unsigned long tx_fifo_underrun;
245 unsigned long tx_loss_carrier;
246 unsigned long tx_no_carrier;
247 unsigned long tx_late_collision;
248 unsigned long tx_excessive_collision;
249 unsigned long tx_jabber_timeout;
250 unsigned long reset_count;
251 unsigned long reset_cr8;
252 unsigned long reset_fatal;
253 unsigned long reset_TXtimeout;
256 unsigned char srom[128];
260 DCR0 = 0x00, DCR1 = 0x08, DCR2 = 0x10, DCR3 = 0x18, DCR4 = 0x20,
261 DCR5 = 0x28, DCR6 = 0x30, DCR7 = 0x38, DCR8 = 0x40, DCR9 = 0x48,
262 DCR10 = 0x50, DCR11 = 0x58, DCR12 = 0x60, DCR13 = 0x68, DCR14 = 0x70,
267 CR6_RXSC = 0x2, CR6_PBF = 0x8, CR6_PM = 0x40, CR6_PAM = 0x80,
268 CR6_FDM = 0x200, CR6_TXSC = 0x2000, CR6_STI = 0x100000,
269 CR6_SFT = 0x200000, CR6_RXA = 0x40000000, CR6_NO_PURGE = 0x20000000
272 /* Global variable declaration ----------------------------- */
273 static int __devinitdata printed_version;
274 static char version[] __devinitdata =
275 KERN_INFO DRV_NAME ": Davicom DM9xxx net driver, version "
276 DRV_VERSION " (" DRV_RELDATE ")\n";
278 static int dmfe_debug;
279 static unsigned char dmfe_media_mode = DMFE_AUTO;
280 static u32 dmfe_cr6_user_set;
282 /* For module input parameter */
285 static unsigned char mode = 8;
286 static u8 chkmode = 1;
287 static u8 HPNA_mode; /* Default: Low Power/High Speed */
288 static u8 HPNA_rx_cmd; /* Default: Disable Rx remote command */
289 static u8 HPNA_tx_cmd; /* Default: Don't issue remote command */
290 static u8 HPNA_NoiseFloor; /* Default: HPNA NoiseFloor */
291 static u8 SF_mode; /* Special Function: 1:VLAN, 2:RX Flow Control
292 4: TX pause packet */
295 /* function declaration ------------------------------------- */
296 static int dmfe_open(struct DEVICE *);
297 static int dmfe_start_xmit(struct sk_buff *, struct DEVICE *);
298 static int dmfe_stop(struct DEVICE *);
299 static struct net_device_stats * dmfe_get_stats(struct DEVICE *);
300 static void dmfe_set_filter_mode(struct DEVICE *);
301 static struct ethtool_ops netdev_ethtool_ops;
302 static u16 read_srom_word(long ,int);
303 static irqreturn_t dmfe_interrupt(int , void *, struct pt_regs *);
304 #ifdef CONFIG_NET_POLL_CONTROLLER
305 static void poll_dmfe (struct net_device *dev);
307 static void dmfe_descriptor_init(struct dmfe_board_info *, unsigned long);
308 static void allocate_rx_buffer(struct dmfe_board_info *);
309 static void update_cr6(u32, unsigned long);
310 static void send_filter_frame(struct DEVICE * ,int);
311 static void dm9132_id_table(struct DEVICE * ,int);
312 static u16 phy_read(unsigned long, u8, u8, u32);
313 static void phy_write(unsigned long, u8, u8, u16, u32);
314 static void phy_write_1bit(unsigned long, u32);
315 static u16 phy_read_1bit(unsigned long);
316 static u8 dmfe_sense_speed(struct dmfe_board_info *);
317 static void dmfe_process_mode(struct dmfe_board_info *);
318 static void dmfe_timer(unsigned long);
319 static inline u32 cal_CRC(unsigned char *, unsigned int, u8);
320 static void dmfe_rx_packet(struct DEVICE *, struct dmfe_board_info *);
321 static void dmfe_free_tx_pkt(struct DEVICE *, struct dmfe_board_info *);
322 static void dmfe_reuse_skb(struct dmfe_board_info *, struct sk_buff *);
323 static void dmfe_dynamic_reset(struct DEVICE *);
324 static void dmfe_free_rxbuffer(struct dmfe_board_info *);
325 static void dmfe_init_dm910x(struct DEVICE *);
326 static void dmfe_parse_srom(struct dmfe_board_info *);
327 static void dmfe_program_DM9801(struct dmfe_board_info *, int);
328 static void dmfe_program_DM9802(struct dmfe_board_info *);
329 static void dmfe_HPNA_remote_cmd_chk(struct dmfe_board_info * );
330 static void dmfe_set_phyxcer(struct dmfe_board_info *);
332 /* DM910X network baord routine ---------------------------- */
335 * Search DM910X board ,allocate space and register it
338 static int __devinit dmfe_init_one (struct pci_dev *pdev,
339 const struct pci_device_id *ent)
341 struct dmfe_board_info *db; /* board information structure */
342 struct net_device *dev;
343 u32 dev_rev, pci_pmr;
346 DMFE_DBUG(0, "dmfe_init_one()", 0);
348 if (!printed_version++)
351 /* Init network device */
352 dev = alloc_etherdev(sizeof(*db));
355 SET_MODULE_OWNER(dev);
356 SET_NETDEV_DEV(dev, &pdev->dev);
358 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
359 printk(KERN_WARNING DRV_NAME ": 32-bit PCI DMA not available.\n");
364 /* Enable Master/IO access, Disable memory access */
365 err = pci_enable_device(pdev);
369 if (!pci_resource_start(pdev, 0)) {
370 printk(KERN_ERR DRV_NAME ": I/O base is zero\n");
372 goto err_out_disable;
375 /* Read Chip revision */
376 pci_read_config_dword(pdev, PCI_REVISION_ID, &dev_rev);
378 if (pci_resource_len(pdev, 0) < (CHK_IO_SIZE(pdev, dev_rev)) ) {
379 printk(KERN_ERR DRV_NAME ": Allocated I/O size too small\n");
381 goto err_out_disable;
384 #if 0 /* pci_{enable_device,set_master} sets minimum latency for us now */
386 /* Set Latency Timer 80h */
387 /* FIXME: setting values > 32 breaks some SiS 559x stuff.
388 Need a PCI quirk.. */
390 pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x80);
393 if (pci_request_regions(pdev, DRV_NAME)) {
394 printk(KERN_ERR DRV_NAME ": Failed to request PCI regions\n");
396 goto err_out_disable;
399 /* Init system & device */
400 db = netdev_priv(dev);
402 /* Allocate Tx/Rx descriptor memory */
403 db->desc_pool_ptr = pci_alloc_consistent(pdev, sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20, &db->desc_pool_dma_ptr);
404 db->buf_pool_ptr = pci_alloc_consistent(pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4, &db->buf_pool_dma_ptr);
406 db->first_tx_desc = (struct tx_desc *) db->desc_pool_ptr;
407 db->first_tx_desc_dma = db->desc_pool_dma_ptr;
408 db->buf_pool_start = db->buf_pool_ptr;
409 db->buf_pool_dma_start = db->buf_pool_dma_ptr;
411 db->chip_id = ent->driver_data;
412 db->ioaddr = pci_resource_start(pdev, 0);
413 db->chip_revision = dev_rev;
417 dev->base_addr = db->ioaddr;
418 dev->irq = pdev->irq;
419 pci_set_drvdata(pdev, dev);
420 dev->open = &dmfe_open;
421 dev->hard_start_xmit = &dmfe_start_xmit;
422 dev->stop = &dmfe_stop;
423 dev->get_stats = &dmfe_get_stats;
424 dev->set_multicast_list = &dmfe_set_filter_mode;
425 #ifdef CONFIG_NET_POLL_CONTROLLER
426 dev->poll_controller = &poll_dmfe;
428 dev->ethtool_ops = &netdev_ethtool_ops;
429 spin_lock_init(&db->lock);
431 pci_read_config_dword(pdev, 0x50, &pci_pmr);
433 if ( (pci_pmr == 0x10000) && (dev_rev == 0x02000031) )
434 db->chip_type = 1; /* DM9102A E3 */
438 /* read 64 word srom data */
439 for (i = 0; i < 64; i++)
440 ((u16 *) db->srom)[i] = cpu_to_le16(read_srom_word(db->ioaddr, i));
442 /* Set Node address */
443 for (i = 0; i < 6; i++)
444 dev->dev_addr[i] = db->srom[20 + i];
446 err = register_netdev (dev);
450 printk(KERN_INFO "%s: Davicom DM%04lx at pci%s,",
452 ent->driver_data >> 16,
454 for (i = 0; i < 6; i++)
455 printk("%c%02x", i ? ':' : ' ', dev->dev_addr[i]);
456 printk(", irq %d.\n", dev->irq);
458 pci_set_master(pdev);
463 pci_release_regions(pdev);
465 pci_disable_device(pdev);
467 pci_set_drvdata(pdev, NULL);
474 static void __devexit dmfe_remove_one (struct pci_dev *pdev)
476 struct net_device *dev = pci_get_drvdata(pdev);
477 struct dmfe_board_info *db = netdev_priv(dev);
479 DMFE_DBUG(0, "dmfe_remove_one()", 0);
482 pci_free_consistent(db->pdev, sizeof(struct tx_desc) *
483 DESC_ALL_CNT + 0x20, db->desc_pool_ptr,
484 db->desc_pool_dma_ptr);
485 pci_free_consistent(db->pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4,
486 db->buf_pool_ptr, db->buf_pool_dma_ptr);
487 unregister_netdev(dev);
488 pci_release_regions(pdev);
489 free_netdev(dev); /* free board information */
490 pci_set_drvdata(pdev, NULL);
493 DMFE_DBUG(0, "dmfe_remove_one() exit", 0);
498 * Open the interface.
499 * The interface is opened whenever "ifconfig" actives it.
502 static int dmfe_open(struct DEVICE *dev)
505 struct dmfe_board_info *db = netdev_priv(dev);
507 DMFE_DBUG(0, "dmfe_open", 0);
509 ret = request_irq(dev->irq, &dmfe_interrupt, SA_SHIRQ, dev->name, dev);
513 /* system variable init */
514 db->cr6_data = CR6_DEFAULT | dmfe_cr6_user_set;
515 db->tx_packet_cnt = 0;
516 db->tx_queue_cnt = 0;
517 db->rx_avail_cnt = 0;
521 db->first_in_callback = 0;
522 db->NIC_capability = 0xf; /* All capability*/
523 db->PHY_reg4 = 0x1e0;
525 /* CR6 operation mode decision */
526 if ( !chkmode || (db->chip_id == PCI_DM9132_ID) ||
527 (db->chip_revision >= 0x02000030) ) {
528 db->cr6_data |= DMFE_TXTH_256;
529 db->cr0_data = CR0_DEFAULT;
530 db->dm910x_chk_mode=4; /* Enter the normal mode */
532 db->cr6_data |= CR6_SFT; /* Store & Forward mode */
534 db->dm910x_chk_mode = 1; /* Enter the check mode */
537 /* Initilize DM910X board */
538 dmfe_init_dm910x(dev);
540 /* Active System Interface */
541 netif_wake_queue(dev);
543 /* set and active a timer process */
544 init_timer(&db->timer);
545 db->timer.expires = DMFE_TIMER_WUT + HZ * 2;
546 db->timer.data = (unsigned long)dev;
547 db->timer.function = &dmfe_timer;
548 add_timer(&db->timer);
554 /* Initilize DM910X board
556 * Initilize TX/Rx descriptor chain structure
557 * Send the set-up frame
558 * Enable Tx/Rx machine
561 static void dmfe_init_dm910x(struct DEVICE *dev)
563 struct dmfe_board_info *db = netdev_priv(dev);
564 unsigned long ioaddr = db->ioaddr;
566 DMFE_DBUG(0, "dmfe_init_dm910x()", 0);
568 /* Reset DM910x MAC controller */
569 outl(DM910X_RESET, ioaddr + DCR0); /* RESET MAC */
571 outl(db->cr0_data, ioaddr + DCR0);
574 /* Phy addr : DM910(A)2/DM9132/9801, phy address = 1 */
577 /* Parser SROM and media mode */
579 db->media_mode = dmfe_media_mode;
581 /* RESET Phyxcer Chip by GPR port bit 7 */
582 outl(0x180, ioaddr + DCR12); /* Let bit 7 output port */
583 if (db->chip_id == PCI_DM9009_ID) {
584 outl(0x80, ioaddr + DCR12); /* Issue RESET signal */
585 mdelay(300); /* Delay 300 ms */
587 outl(0x0, ioaddr + DCR12); /* Clear RESET signal */
589 /* Process Phyxcer Media Mode */
590 if ( !(db->media_mode & 0x10) ) /* Force 1M mode */
591 dmfe_set_phyxcer(db);
593 /* Media Mode Process */
594 if ( !(db->media_mode & DMFE_AUTO) )
595 db->op_mode = db->media_mode; /* Force Mode */
597 /* Initiliaze Transmit/Receive decriptor and CR3/4 */
598 dmfe_descriptor_init(db, ioaddr);
600 /* Init CR6 to program DM910x operation */
601 update_cr6(db->cr6_data, ioaddr);
603 /* Send setup frame */
604 if (db->chip_id == PCI_DM9132_ID)
605 dm9132_id_table(dev, dev->mc_count); /* DM9132 */
607 send_filter_frame(dev, dev->mc_count); /* DM9102/DM9102A */
609 /* Init CR7, interrupt active bit */
610 db->cr7_data = CR7_DEFAULT;
611 outl(db->cr7_data, ioaddr + DCR7);
613 /* Init CR15, Tx jabber and Rx watchdog timer */
614 outl(db->cr15_data, ioaddr + DCR15);
616 /* Enable DM910X Tx/Rx function */
617 db->cr6_data |= CR6_RXSC | CR6_TXSC | 0x40000;
618 update_cr6(db->cr6_data, ioaddr);
623 * Hardware start transmission.
624 * Send a packet to media from the upper layer.
627 static int dmfe_start_xmit(struct sk_buff *skb, struct DEVICE *dev)
629 struct dmfe_board_info *db = netdev_priv(dev);
630 struct tx_desc *txptr;
633 DMFE_DBUG(0, "dmfe_start_xmit", 0);
635 /* Resource flag check */
636 netif_stop_queue(dev);
638 /* Too large packet check */
639 if (skb->len > MAX_PACKET_SIZE) {
640 printk(KERN_ERR DRV_NAME ": big packet = %d\n", (u16)skb->len);
645 spin_lock_irqsave(&db->lock, flags);
647 /* No Tx resource check, it never happen nromally */
648 if (db->tx_queue_cnt >= TX_FREE_DESC_CNT) {
649 spin_unlock_irqrestore(&db->lock, flags);
650 printk(KERN_ERR DRV_NAME ": No Tx resource %ld\n", db->tx_queue_cnt);
654 /* Disable NIC interrupt */
655 outl(0, dev->base_addr + DCR7);
657 /* transmit this packet */
658 txptr = db->tx_insert_ptr;
659 memcpy(txptr->tx_buf_ptr, skb->data, skb->len);
660 txptr->tdes1 = cpu_to_le32(0xe1000000 | skb->len);
662 /* Point to next transmit free descriptor */
663 db->tx_insert_ptr = txptr->next_tx_desc;
665 /* Transmit Packet Process */
666 if ( (!db->tx_queue_cnt) && (db->tx_packet_cnt < TX_MAX_SEND_CNT) ) {
667 txptr->tdes0 = cpu_to_le32(0x80000000); /* Set owner bit */
668 db->tx_packet_cnt++; /* Ready to send */
669 outl(0x1, dev->base_addr + DCR1); /* Issue Tx polling */
670 dev->trans_start = jiffies; /* saved time stamp */
672 db->tx_queue_cnt++; /* queue TX packet */
673 outl(0x1, dev->base_addr + DCR1); /* Issue Tx polling */
676 /* Tx resource check */
677 if ( db->tx_queue_cnt < TX_FREE_DESC_CNT )
678 netif_wake_queue(dev);
680 /* Restore CR7 to enable interrupt */
681 spin_unlock_irqrestore(&db->lock, flags);
682 outl(db->cr7_data, dev->base_addr + DCR7);
692 * Stop the interface.
693 * The interface is stopped when it is brought.
696 static int dmfe_stop(struct DEVICE *dev)
698 struct dmfe_board_info *db = netdev_priv(dev);
699 unsigned long ioaddr = dev->base_addr;
701 DMFE_DBUG(0, "dmfe_stop", 0);
704 netif_stop_queue(dev);
707 del_timer_sync(&db->timer);
709 /* Reset & stop DM910X board */
710 outl(DM910X_RESET, ioaddr + DCR0);
712 phy_write(db->ioaddr, db->phy_addr, 0, 0x8000, db->chip_id);
715 free_irq(dev->irq, dev);
717 /* free allocated rx buffer */
718 dmfe_free_rxbuffer(db);
721 /* show statistic counter */
722 printk(DRV_NAME ": FU:%lx EC:%lx LC:%lx NC:%lx LOC:%lx TXJT:%lx RESET:%lx RCR8:%lx FAL:%lx TT:%lx\n",
723 db->tx_fifo_underrun, db->tx_excessive_collision,
724 db->tx_late_collision, db->tx_no_carrier, db->tx_loss_carrier,
725 db->tx_jabber_timeout, db->reset_count, db->reset_cr8,
726 db->reset_fatal, db->reset_TXtimeout);
734 * DM9102 insterrupt handler
735 * receive the packet to upper layer, free the transmitted packet
738 static irqreturn_t dmfe_interrupt(int irq, void *dev_id, struct pt_regs *regs)
740 struct DEVICE *dev = dev_id;
741 struct dmfe_board_info *db = netdev_priv(dev);
742 unsigned long ioaddr = dev->base_addr;
745 DMFE_DBUG(0, "dmfe_interrupt()", 0);
748 DMFE_DBUG(1, "dmfe_interrupt() without DEVICE arg", 0);
752 spin_lock_irqsave(&db->lock, flags);
754 /* Got DM910X status */
755 db->cr5_data = inl(ioaddr + DCR5);
756 outl(db->cr5_data, ioaddr + DCR5);
757 if ( !(db->cr5_data & 0xc1) ) {
758 spin_unlock_irqrestore(&db->lock, flags);
762 /* Disable all interrupt in CR7 to solve the interrupt edge problem */
763 outl(0, ioaddr + DCR7);
765 /* Check system status */
766 if (db->cr5_data & 0x2000) {
767 /* system bus error happen */
768 DMFE_DBUG(1, "System bus error happen. CR5=", db->cr5_data);
770 db->wait_reset = 1; /* Need to RESET */
771 spin_unlock_irqrestore(&db->lock, flags);
775 /* Received the coming packet */
776 if ( (db->cr5_data & 0x40) && db->rx_avail_cnt )
777 dmfe_rx_packet(dev, db);
779 /* reallocate rx descriptor buffer */
780 if (db->rx_avail_cnt<RX_DESC_CNT)
781 allocate_rx_buffer(db);
783 /* Free the transmitted descriptor */
784 if ( db->cr5_data & 0x01)
785 dmfe_free_tx_pkt(dev, db);
788 if (db->dm910x_chk_mode & 0x2) {
789 db->dm910x_chk_mode = 0x4;
790 db->cr6_data |= 0x100;
791 update_cr6(db->cr6_data, db->ioaddr);
794 /* Restore CR7 to enable interrupt mask */
795 outl(db->cr7_data, ioaddr + DCR7);
797 spin_unlock_irqrestore(&db->lock, flags);
802 #ifdef CONFIG_NET_POLL_CONTROLLER
804 * Polling 'interrupt' - used by things like netconsole to send skbs
805 * without having to re-enable interrupts. It's not called while
806 * the interrupt routine is executing.
809 static void poll_dmfe (struct net_device *dev)
811 /* disable_irq here is not very nice, but with the lockless
812 interrupt handler we have no other choice. */
813 disable_irq(dev->irq);
814 dmfe_interrupt (dev->irq, dev, NULL);
815 enable_irq(dev->irq);
820 * Free TX resource after TX complete
823 static void dmfe_free_tx_pkt(struct DEVICE *dev, struct dmfe_board_info * db)
825 struct tx_desc *txptr;
826 unsigned long ioaddr = dev->base_addr;
829 txptr = db->tx_remove_ptr;
830 while(db->tx_packet_cnt) {
831 tdes0 = le32_to_cpu(txptr->tdes0);
832 /* printk(DRV_NAME ": tdes0=%x\n", tdes0); */
833 if (tdes0 & 0x80000000)
836 /* A packet sent completed */
838 db->stats.tx_packets++;
840 /* Transmit statistic counter */
841 if ( tdes0 != 0x7fffffff ) {
842 /* printk(DRV_NAME ": tdes0=%x\n", tdes0); */
843 db->stats.collisions += (tdes0 >> 3) & 0xf;
844 db->stats.tx_bytes += le32_to_cpu(txptr->tdes1) & 0x7ff;
845 if (tdes0 & TDES0_ERR_MASK) {
846 db->stats.tx_errors++;
848 if (tdes0 & 0x0002) { /* UnderRun */
849 db->tx_fifo_underrun++;
850 if ( !(db->cr6_data & CR6_SFT) ) {
851 db->cr6_data = db->cr6_data | CR6_SFT;
852 update_cr6(db->cr6_data, db->ioaddr);
856 db->tx_excessive_collision++;
858 db->tx_late_collision++;
862 db->tx_loss_carrier++;
864 db->tx_jabber_timeout++;
868 txptr = txptr->next_tx_desc;
871 /* Update TX remove pointer to next */
872 db->tx_remove_ptr = txptr;
874 /* Send the Tx packet in queue */
875 if ( (db->tx_packet_cnt < TX_MAX_SEND_CNT) && db->tx_queue_cnt ) {
876 txptr->tdes0 = cpu_to_le32(0x80000000); /* Set owner bit */
877 db->tx_packet_cnt++; /* Ready to send */
879 outl(0x1, ioaddr + DCR1); /* Issue Tx polling */
880 dev->trans_start = jiffies; /* saved time stamp */
883 /* Resource available check */
884 if ( db->tx_queue_cnt < TX_WAKE_DESC_CNT )
885 netif_wake_queue(dev); /* Active upper layer, send again */
890 * Calculate the CRC valude of the Rx packet
891 * flag = 1 : return the reverse CRC (for the received packet CRC)
892 * 0 : return the normal CRC (for Hash Table index)
895 static inline u32 cal_CRC(unsigned char * Data, unsigned int Len, u8 flag)
897 u32 crc = crc32(~0, Data, Len);
898 if (flag) crc = ~crc;
904 * Receive the come packet and pass to upper layer
907 static void dmfe_rx_packet(struct DEVICE *dev, struct dmfe_board_info * db)
909 struct rx_desc *rxptr;
914 rxptr = db->rx_ready_ptr;
916 while(db->rx_avail_cnt) {
917 rdes0 = le32_to_cpu(rxptr->rdes0);
918 if (rdes0 & 0x80000000) /* packet owner check */
922 db->interval_rx_cnt++;
924 pci_unmap_single(db->pdev, le32_to_cpu(rxptr->rdes2), RX_ALLOC_SIZE, PCI_DMA_FROMDEVICE);
925 if ( (rdes0 & 0x300) != 0x300) {
926 /* A packet without First/Last flag */
928 DMFE_DBUG(0, "Reuse SK buffer, rdes0", rdes0);
929 dmfe_reuse_skb(db, rxptr->rx_skb_ptr);
931 /* A packet with First/Last flag */
932 rxlen = ( (rdes0 >> 16) & 0x3fff) - 4;
934 /* error summary bit check */
935 if (rdes0 & 0x8000) {
936 /* This is a error packet */
937 //printk(DRV_NAME ": rdes0: %lx\n", rdes0);
938 db->stats.rx_errors++;
940 db->stats.rx_fifo_errors++;
942 db->stats.rx_crc_errors++;
944 db->stats.rx_length_errors++;
947 if ( !(rdes0 & 0x8000) ||
948 ((db->cr6_data & CR6_PM) && (rxlen>6)) ) {
949 skb = rxptr->rx_skb_ptr;
951 /* Received Packet CRC check need or not */
952 if ( (db->dm910x_chk_mode & 1) &&
953 (cal_CRC(skb->tail, rxlen, 1) !=
954 (*(u32 *) (skb->tail+rxlen) ))) { /* FIXME (?) */
955 /* Found a error received packet */
956 dmfe_reuse_skb(db, rxptr->rx_skb_ptr);
957 db->dm910x_chk_mode = 3;
959 /* Good packet, send to upper layer */
960 /* Shorst packet used new SKB */
961 if ( (rxlen < RX_COPY_SIZE) &&
962 ( (skb = dev_alloc_skb(rxlen + 2) )
964 /* size less than COPY_SIZE, allocate a rxlen SKB */
966 skb_reserve(skb, 2); /* 16byte align */
967 memcpy(skb_put(skb, rxlen), rxptr->rx_skb_ptr->tail, rxlen);
968 dmfe_reuse_skb(db, rxptr->rx_skb_ptr);
973 skb->protocol = eth_type_trans(skb, dev);
975 dev->last_rx = jiffies;
976 db->stats.rx_packets++;
977 db->stats.rx_bytes += rxlen;
980 /* Reuse SKB buffer when the packet is error */
981 DMFE_DBUG(0, "Reuse SK buffer, rdes0", rdes0);
982 dmfe_reuse_skb(db, rxptr->rx_skb_ptr);
986 rxptr = rxptr->next_rx_desc;
989 db->rx_ready_ptr = rxptr;
994 * Get statistics from driver.
997 static struct net_device_stats * dmfe_get_stats(struct DEVICE *dev)
999 struct dmfe_board_info *db = netdev_priv(dev);
1001 DMFE_DBUG(0, "dmfe_get_stats", 0);
1007 * Set DM910X multicast address
1010 static void dmfe_set_filter_mode(struct DEVICE * dev)
1012 struct dmfe_board_info *db = netdev_priv(dev);
1013 unsigned long flags;
1015 DMFE_DBUG(0, "dmfe_set_filter_mode()", 0);
1016 spin_lock_irqsave(&db->lock, flags);
1018 if (dev->flags & IFF_PROMISC) {
1019 DMFE_DBUG(0, "Enable PROM Mode", 0);
1020 db->cr6_data |= CR6_PM | CR6_PBF;
1021 update_cr6(db->cr6_data, db->ioaddr);
1022 spin_unlock_irqrestore(&db->lock, flags);
1026 if (dev->flags & IFF_ALLMULTI || dev->mc_count > DMFE_MAX_MULTICAST) {
1027 DMFE_DBUG(0, "Pass all multicast address", dev->mc_count);
1028 db->cr6_data &= ~(CR6_PM | CR6_PBF);
1029 db->cr6_data |= CR6_PAM;
1030 spin_unlock_irqrestore(&db->lock, flags);
1034 DMFE_DBUG(0, "Set multicast address", dev->mc_count);
1035 if (db->chip_id == PCI_DM9132_ID)
1036 dm9132_id_table(dev, dev->mc_count); /* DM9132 */
1038 send_filter_frame(dev, dev->mc_count); /* DM9102/DM9102A */
1039 spin_unlock_irqrestore(&db->lock, flags);
1042 static void netdev_get_drvinfo(struct net_device *dev,
1043 struct ethtool_drvinfo *info)
1045 struct dmfe_board_info *np = netdev_priv(dev);
1047 strcpy(info->driver, DRV_NAME);
1048 strcpy(info->version, DRV_VERSION);
1050 strcpy(info->bus_info, pci_name(np->pdev));
1052 sprintf(info->bus_info, "EISA 0x%lx %d",
1053 dev->base_addr, dev->irq);
1056 static struct ethtool_ops netdev_ethtool_ops = {
1057 .get_drvinfo = netdev_get_drvinfo,
1061 * A periodic timer routine
1062 * Dynamic media sense, allocate Rx buffer...
1065 static void dmfe_timer(unsigned long data)
1068 unsigned char tmp_cr12;
1069 struct DEVICE *dev = (struct DEVICE *) data;
1070 struct dmfe_board_info *db = netdev_priv(dev);
1071 unsigned long flags;
1073 DMFE_DBUG(0, "dmfe_timer()", 0);
1074 spin_lock_irqsave(&db->lock, flags);
1076 /* Media mode process when Link OK before enter this route */
1077 if (db->first_in_callback == 0) {
1078 db->first_in_callback = 1;
1079 if (db->chip_type && (db->chip_id==PCI_DM9102_ID)) {
1080 db->cr6_data &= ~0x40000;
1081 update_cr6(db->cr6_data, db->ioaddr);
1082 phy_write(db->ioaddr, db->phy_addr, 0, 0x1000, db->chip_id);
1083 db->cr6_data |= 0x40000;
1084 update_cr6(db->cr6_data, db->ioaddr);
1085 db->timer.expires = DMFE_TIMER_WUT + HZ * 2;
1086 add_timer(&db->timer);
1087 spin_unlock_irqrestore(&db->lock, flags);
1093 /* Operating Mode Check */
1094 if ( (db->dm910x_chk_mode & 0x1) &&
1095 (db->stats.rx_packets > MAX_CHECK_PACKET) )
1096 db->dm910x_chk_mode = 0x4;
1098 /* Dynamic reset DM910X : system error or transmit time-out */
1099 tmp_cr8 = inl(db->ioaddr + DCR8);
1100 if ( (db->interval_rx_cnt==0) && (tmp_cr8) ) {
1104 db->interval_rx_cnt = 0;
1106 /* TX polling kick monitor */
1107 if ( db->tx_packet_cnt &&
1108 time_after(jiffies, dev->trans_start + DMFE_TX_KICK) ) {
1109 outl(0x1, dev->base_addr + DCR1); /* Tx polling again */
1112 if ( time_after(jiffies, dev->trans_start + DMFE_TX_TIMEOUT) ) {
1113 db->reset_TXtimeout++;
1115 printk(KERN_WARNING "%s: Tx timeout - resetting\n",
1120 if (db->wait_reset) {
1121 DMFE_DBUG(0, "Dynamic Reset device", db->tx_packet_cnt);
1123 dmfe_dynamic_reset(dev);
1124 db->first_in_callback = 0;
1125 db->timer.expires = DMFE_TIMER_WUT;
1126 add_timer(&db->timer);
1127 spin_unlock_irqrestore(&db->lock, flags);
1131 /* Link status check, Dynamic media type change */
1132 if (db->chip_id == PCI_DM9132_ID)
1133 tmp_cr12 = inb(db->ioaddr + DCR9 + 3); /* DM9132 */
1135 tmp_cr12 = inb(db->ioaddr + DCR12); /* DM9102/DM9102A */
1137 if ( ((db->chip_id == PCI_DM9102_ID) &&
1138 (db->chip_revision == 0x02000030)) ||
1139 ((db->chip_id == PCI_DM9132_ID) &&
1140 (db->chip_revision == 0x02000010)) ) {
1143 tmp_cr12 = 0x0; /* Link failed */
1145 tmp_cr12 = 0x3; /* Link OK */
1148 if ( !(tmp_cr12 & 0x3) && !db->link_failed ) {
1150 DMFE_DBUG(0, "Link Failed", tmp_cr12);
1151 db->link_failed = 1;
1153 /* For Force 10/100M Half/Full mode: Enable Auto-Nego mode */
1154 /* AUTO or force 1M Homerun/Longrun don't need */
1155 if ( !(db->media_mode & 0x38) )
1156 phy_write(db->ioaddr, db->phy_addr, 0, 0x1000, db->chip_id);
1158 /* AUTO mode, if INT phyxcer link failed, select EXT device */
1159 if (db->media_mode & DMFE_AUTO) {
1160 /* 10/100M link failed, used 1M Home-Net */
1161 db->cr6_data|=0x00040000; /* bit18=1, MII */
1162 db->cr6_data&=~0x00000200; /* bit9=0, HD mode */
1163 update_cr6(db->cr6_data, db->ioaddr);
1166 if ((tmp_cr12 & 0x3) && db->link_failed) {
1167 DMFE_DBUG(0, "Link link OK", tmp_cr12);
1168 db->link_failed = 0;
1170 /* Auto Sense Speed */
1171 if ( (db->media_mode & DMFE_AUTO) &&
1172 dmfe_sense_speed(db) )
1173 db->link_failed = 1;
1174 dmfe_process_mode(db);
1175 /* SHOW_MEDIA_TYPE(db->op_mode); */
1178 /* HPNA remote command check */
1179 if (db->HPNA_command & 0xf00) {
1181 if (!db->HPNA_timer)
1182 dmfe_HPNA_remote_cmd_chk(db);
1185 /* Timer active again */
1186 db->timer.expires = DMFE_TIMER_WUT;
1187 add_timer(&db->timer);
1188 spin_unlock_irqrestore(&db->lock, flags);
1193 * Dynamic reset the DM910X board
1195 * Free Tx/Rx allocated memory
1196 * Reset DM910X board
1197 * Re-initilize DM910X board
1200 static void dmfe_dynamic_reset(struct DEVICE *dev)
1202 struct dmfe_board_info *db = netdev_priv(dev);
1204 DMFE_DBUG(0, "dmfe_dynamic_reset()", 0);
1206 /* Sopt MAC controller */
1207 db->cr6_data &= ~(CR6_RXSC | CR6_TXSC); /* Disable Tx/Rx */
1208 update_cr6(db->cr6_data, dev->base_addr);
1209 outl(0, dev->base_addr + DCR7); /* Disable Interrupt */
1210 outl(inl(dev->base_addr + DCR5), dev->base_addr + DCR5);
1212 /* Disable upper layer interface */
1213 netif_stop_queue(dev);
1215 /* Free Rx Allocate buffer */
1216 dmfe_free_rxbuffer(db);
1218 /* system variable init */
1219 db->tx_packet_cnt = 0;
1220 db->tx_queue_cnt = 0;
1221 db->rx_avail_cnt = 0;
1222 db->link_failed = 1;
1225 /* Re-initilize DM910X board */
1226 dmfe_init_dm910x(dev);
1228 /* Restart upper layer interface */
1229 netif_wake_queue(dev);
1234 * free all allocated rx buffer
1237 static void dmfe_free_rxbuffer(struct dmfe_board_info * db)
1239 DMFE_DBUG(0, "dmfe_free_rxbuffer()", 0);
1241 /* free allocated rx buffer */
1242 while (db->rx_avail_cnt) {
1243 dev_kfree_skb(db->rx_ready_ptr->rx_skb_ptr);
1244 db->rx_ready_ptr = db->rx_ready_ptr->next_rx_desc;
1251 * Reuse the SK buffer
1254 static void dmfe_reuse_skb(struct dmfe_board_info *db, struct sk_buff * skb)
1256 struct rx_desc *rxptr = db->rx_insert_ptr;
1258 if (!(rxptr->rdes0 & cpu_to_le32(0x80000000))) {
1259 rxptr->rx_skb_ptr = skb;
1260 rxptr->rdes2 = cpu_to_le32( pci_map_single(db->pdev, skb->tail, RX_ALLOC_SIZE, PCI_DMA_FROMDEVICE) );
1262 rxptr->rdes0 = cpu_to_le32(0x80000000);
1264 db->rx_insert_ptr = rxptr->next_rx_desc;
1266 DMFE_DBUG(0, "SK Buffer reuse method error", db->rx_avail_cnt);
1271 * Initialize transmit/Receive descriptor
1272 * Using Chain structure, and allocate Tx/Rx buffer
1275 static void dmfe_descriptor_init(struct dmfe_board_info *db, unsigned long ioaddr)
1277 struct tx_desc *tmp_tx;
1278 struct rx_desc *tmp_rx;
1279 unsigned char *tmp_buf;
1280 dma_addr_t tmp_tx_dma, tmp_rx_dma;
1281 dma_addr_t tmp_buf_dma;
1284 DMFE_DBUG(0, "dmfe_descriptor_init()", 0);
1286 /* tx descriptor start pointer */
1287 db->tx_insert_ptr = db->first_tx_desc;
1288 db->tx_remove_ptr = db->first_tx_desc;
1289 outl(db->first_tx_desc_dma, ioaddr + DCR4); /* TX DESC address */
1291 /* rx descriptor start pointer */
1292 db->first_rx_desc = (void *)db->first_tx_desc + sizeof(struct tx_desc) * TX_DESC_CNT;
1293 db->first_rx_desc_dma = db->first_tx_desc_dma + sizeof(struct tx_desc) * TX_DESC_CNT;
1294 db->rx_insert_ptr = db->first_rx_desc;
1295 db->rx_ready_ptr = db->first_rx_desc;
1296 outl(db->first_rx_desc_dma, ioaddr + DCR3); /* RX DESC address */
1298 /* Init Transmit chain */
1299 tmp_buf = db->buf_pool_start;
1300 tmp_buf_dma = db->buf_pool_dma_start;
1301 tmp_tx_dma = db->first_tx_desc_dma;
1302 for (tmp_tx = db->first_tx_desc, i = 0; i < TX_DESC_CNT; i++, tmp_tx++) {
1303 tmp_tx->tx_buf_ptr = tmp_buf;
1304 tmp_tx->tdes0 = cpu_to_le32(0);
1305 tmp_tx->tdes1 = cpu_to_le32(0x81000000); /* IC, chain */
1306 tmp_tx->tdes2 = cpu_to_le32(tmp_buf_dma);
1307 tmp_tx_dma += sizeof(struct tx_desc);
1308 tmp_tx->tdes3 = cpu_to_le32(tmp_tx_dma);
1309 tmp_tx->next_tx_desc = tmp_tx + 1;
1310 tmp_buf = tmp_buf + TX_BUF_ALLOC;
1311 tmp_buf_dma = tmp_buf_dma + TX_BUF_ALLOC;
1313 (--tmp_tx)->tdes3 = cpu_to_le32(db->first_tx_desc_dma);
1314 tmp_tx->next_tx_desc = db->first_tx_desc;
1316 /* Init Receive descriptor chain */
1317 tmp_rx_dma=db->first_rx_desc_dma;
1318 for (tmp_rx = db->first_rx_desc, i = 0; i < RX_DESC_CNT; i++, tmp_rx++) {
1319 tmp_rx->rdes0 = cpu_to_le32(0);
1320 tmp_rx->rdes1 = cpu_to_le32(0x01000600);
1321 tmp_rx_dma += sizeof(struct rx_desc);
1322 tmp_rx->rdes3 = cpu_to_le32(tmp_rx_dma);
1323 tmp_rx->next_rx_desc = tmp_rx + 1;
1325 (--tmp_rx)->rdes3 = cpu_to_le32(db->first_rx_desc_dma);
1326 tmp_rx->next_rx_desc = db->first_rx_desc;
1328 /* pre-allocate Rx buffer */
1329 allocate_rx_buffer(db);
1335 * Firstly stop DM910X , then written value and start
1338 static void update_cr6(u32 cr6_data, unsigned long ioaddr)
1342 cr6_tmp = cr6_data & ~0x2002; /* stop Tx/Rx */
1343 outl(cr6_tmp, ioaddr + DCR6);
1345 outl(cr6_data, ioaddr + DCR6);
1351 * Send a setup frame for DM9132
1352 * This setup frame initilize DM910X address filter mode
1355 static void dm9132_id_table(struct DEVICE *dev, int mc_cnt)
1357 struct dev_mc_list *mcptr;
1359 unsigned long ioaddr = dev->base_addr+0xc0; /* ID Table */
1361 u16 i, hash_table[4];
1363 DMFE_DBUG(0, "dm9132_id_table()", 0);
1366 addrptr = (u16 *) dev->dev_addr;
1367 outw(addrptr[0], ioaddr);
1369 outw(addrptr[1], ioaddr);
1371 outw(addrptr[2], ioaddr);
1374 /* Clear Hash Table */
1375 for (i = 0; i < 4; i++)
1376 hash_table[i] = 0x0;
1378 /* broadcast address */
1379 hash_table[3] = 0x8000;
1381 /* the multicast address in Hash Table : 64 bits */
1382 for (mcptr = dev->mc_list, i = 0; i < mc_cnt; i++, mcptr = mcptr->next) {
1383 hash_val = cal_CRC( (char *) mcptr->dmi_addr, 6, 0) & 0x3f;
1384 hash_table[hash_val / 16] |= (u16) 1 << (hash_val % 16);
1387 /* Write the hash table to MAC MD table */
1388 for (i = 0; i < 4; i++, ioaddr += 4)
1389 outw(hash_table[i], ioaddr);
1394 * Send a setup frame for DM9102/DM9102A
1395 * This setup frame initilize DM910X address filter mode
1398 static void send_filter_frame(struct DEVICE *dev, int mc_cnt)
1400 struct dmfe_board_info *db = netdev_priv(dev);
1401 struct dev_mc_list *mcptr;
1402 struct tx_desc *txptr;
1407 DMFE_DBUG(0, "send_filter_frame()", 0);
1409 txptr = db->tx_insert_ptr;
1410 suptr = (u32 *) txptr->tx_buf_ptr;
1413 addrptr = (u16 *) dev->dev_addr;
1414 *suptr++ = addrptr[0];
1415 *suptr++ = addrptr[1];
1416 *suptr++ = addrptr[2];
1418 /* broadcast address */
1423 /* fit the multicast address */
1424 for (mcptr = dev->mc_list, i = 0; i < mc_cnt; i++, mcptr = mcptr->next) {
1425 addrptr = (u16 *) mcptr->dmi_addr;
1426 *suptr++ = addrptr[0];
1427 *suptr++ = addrptr[1];
1428 *suptr++ = addrptr[2];
1437 /* prepare the setup frame */
1438 db->tx_insert_ptr = txptr->next_tx_desc;
1439 txptr->tdes1 = cpu_to_le32(0x890000c0);
1441 /* Resource Check and Send the setup packet */
1442 if (!db->tx_packet_cnt) {
1443 /* Resource Empty */
1444 db->tx_packet_cnt++;
1445 txptr->tdes0 = cpu_to_le32(0x80000000);
1446 update_cr6(db->cr6_data | 0x2000, dev->base_addr);
1447 outl(0x1, dev->base_addr + DCR1); /* Issue Tx polling */
1448 update_cr6(db->cr6_data, dev->base_addr);
1449 dev->trans_start = jiffies;
1451 db->tx_queue_cnt++; /* Put in TX queue */
1456 * Allocate rx buffer,
1457 * As possible as allocate maxiumn Rx buffer
1460 static void allocate_rx_buffer(struct dmfe_board_info *db)
1462 struct rx_desc *rxptr;
1463 struct sk_buff *skb;
1465 rxptr = db->rx_insert_ptr;
1467 while(db->rx_avail_cnt < RX_DESC_CNT) {
1468 if ( ( skb = dev_alloc_skb(RX_ALLOC_SIZE) ) == NULL )
1470 rxptr->rx_skb_ptr = skb; /* FIXME (?) */
1471 rxptr->rdes2 = cpu_to_le32( pci_map_single(db->pdev, skb->tail, RX_ALLOC_SIZE, PCI_DMA_FROMDEVICE) );
1473 rxptr->rdes0 = cpu_to_le32(0x80000000);
1474 rxptr = rxptr->next_rx_desc;
1478 db->rx_insert_ptr = rxptr;
1483 * Read one word data from the serial ROM
1486 static u16 read_srom_word(long ioaddr, int offset)
1490 long cr9_ioaddr = ioaddr + DCR9;
1492 outl(CR9_SROM_READ, cr9_ioaddr);
1493 outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr);
1495 /* Send the Read Command 110b */
1496 SROM_CLK_WRITE(SROM_DATA_1, cr9_ioaddr);
1497 SROM_CLK_WRITE(SROM_DATA_1, cr9_ioaddr);
1498 SROM_CLK_WRITE(SROM_DATA_0, cr9_ioaddr);
1500 /* Send the offset */
1501 for (i = 5; i >= 0; i--) {
1502 srom_data = (offset & (1 << i)) ? SROM_DATA_1 : SROM_DATA_0;
1503 SROM_CLK_WRITE(srom_data, cr9_ioaddr);
1506 outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr);
1508 for (i = 16; i > 0; i--) {
1509 outl(CR9_SROM_READ | CR9_SRCS | CR9_SRCLK, cr9_ioaddr);
1511 srom_data = (srom_data << 1) | ((inl(cr9_ioaddr) & CR9_CRDOUT) ? 1 : 0);
1512 outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr);
1516 outl(CR9_SROM_READ, cr9_ioaddr);
1522 * Auto sense the media mode
1525 static u8 dmfe_sense_speed(struct dmfe_board_info * db)
1530 /* CR6 bit18=0, select 10/100M */
1531 update_cr6( (db->cr6_data & ~0x40000), db->ioaddr);
1533 phy_mode = phy_read(db->ioaddr, db->phy_addr, 1, db->chip_id);
1534 phy_mode = phy_read(db->ioaddr, db->phy_addr, 1, db->chip_id);
1536 if ( (phy_mode & 0x24) == 0x24 ) {
1537 if (db->chip_id == PCI_DM9132_ID) /* DM9132 */
1538 phy_mode = phy_read(db->ioaddr, db->phy_addr, 7, db->chip_id) & 0xf000;
1539 else /* DM9102/DM9102A */
1540 phy_mode = phy_read(db->ioaddr, db->phy_addr, 17, db->chip_id) & 0xf000;
1541 /* printk(DRV_NAME ": Phy_mode %x ",phy_mode); */
1543 case 0x1000: db->op_mode = DMFE_10MHF; break;
1544 case 0x2000: db->op_mode = DMFE_10MFD; break;
1545 case 0x4000: db->op_mode = DMFE_100MHF; break;
1546 case 0x8000: db->op_mode = DMFE_100MFD; break;
1547 default: db->op_mode = DMFE_10MHF;
1552 db->op_mode = DMFE_10MHF;
1553 DMFE_DBUG(0, "Link Failed :", phy_mode);
1562 * Set 10/100 phyxcer capability
1563 * AUTO mode : phyxcer register4 is NIC capability
1564 * Force mode: phyxcer register4 is the force media
1567 static void dmfe_set_phyxcer(struct dmfe_board_info *db)
1571 /* Select 10/100M phyxcer */
1572 db->cr6_data &= ~0x40000;
1573 update_cr6(db->cr6_data, db->ioaddr);
1575 /* DM9009 Chip: Phyxcer reg18 bit12=0 */
1576 if (db->chip_id == PCI_DM9009_ID) {
1577 phy_reg = phy_read(db->ioaddr, db->phy_addr, 18, db->chip_id) & ~0x1000;
1578 phy_write(db->ioaddr, db->phy_addr, 18, phy_reg, db->chip_id);
1581 /* Phyxcer capability setting */
1582 phy_reg = phy_read(db->ioaddr, db->phy_addr, 4, db->chip_id) & ~0x01e0;
1584 if (db->media_mode & DMFE_AUTO) {
1586 phy_reg |= db->PHY_reg4;
1589 switch(db->media_mode) {
1590 case DMFE_10MHF: phy_reg |= 0x20; break;
1591 case DMFE_10MFD: phy_reg |= 0x40; break;
1592 case DMFE_100MHF: phy_reg |= 0x80; break;
1593 case DMFE_100MFD: phy_reg |= 0x100; break;
1595 if (db->chip_id == PCI_DM9009_ID) phy_reg &= 0x61;
1598 /* Write new capability to Phyxcer Reg4 */
1599 if ( !(phy_reg & 0x01e0)) {
1600 phy_reg|=db->PHY_reg4;
1601 db->media_mode|=DMFE_AUTO;
1603 phy_write(db->ioaddr, db->phy_addr, 4, phy_reg, db->chip_id);
1605 /* Restart Auto-Negotiation */
1606 if ( db->chip_type && (db->chip_id == PCI_DM9102_ID) )
1607 phy_write(db->ioaddr, db->phy_addr, 0, 0x1800, db->chip_id);
1608 if ( !db->chip_type )
1609 phy_write(db->ioaddr, db->phy_addr, 0, 0x1200, db->chip_id);
1615 * AUTO mode : PHY controller in Auto-negotiation Mode
1616 * Force mode: PHY controller in force mode with HUB
1617 * N-way force capability with SWITCH
1620 static void dmfe_process_mode(struct dmfe_board_info *db)
1624 /* Full Duplex Mode Check */
1625 if (db->op_mode & 0x4)
1626 db->cr6_data |= CR6_FDM; /* Set Full Duplex Bit */
1628 db->cr6_data &= ~CR6_FDM; /* Clear Full Duplex Bit */
1630 /* Transciver Selection */
1631 if (db->op_mode & 0x10) /* 1M HomePNA */
1632 db->cr6_data |= 0x40000;/* External MII select */
1634 db->cr6_data &= ~0x40000;/* Internal 10/100 transciver */
1636 update_cr6(db->cr6_data, db->ioaddr);
1638 /* 10/100M phyxcer force mode need */
1639 if ( !(db->media_mode & 0x18)) {
1641 phy_reg = phy_read(db->ioaddr, db->phy_addr, 6, db->chip_id);
1642 if ( !(phy_reg & 0x1) ) {
1643 /* parter without N-Way capability */
1645 switch(db->op_mode) {
1646 case DMFE_10MHF: phy_reg = 0x0; break;
1647 case DMFE_10MFD: phy_reg = 0x100; break;
1648 case DMFE_100MHF: phy_reg = 0x2000; break;
1649 case DMFE_100MFD: phy_reg = 0x2100; break;
1651 phy_write(db->ioaddr, db->phy_addr, 0, phy_reg, db->chip_id);
1652 if ( db->chip_type && (db->chip_id == PCI_DM9102_ID) )
1654 phy_write(db->ioaddr, db->phy_addr, 0, phy_reg, db->chip_id);
1661 * Write a word to Phy register
1664 static void phy_write(unsigned long iobase, u8 phy_addr, u8 offset, u16 phy_data, u32 chip_id)
1667 unsigned long ioaddr;
1669 if (chip_id == PCI_DM9132_ID) {
1670 ioaddr = iobase + 0x80 + offset * 4;
1671 outw(phy_data, ioaddr);
1673 /* DM9102/DM9102A Chip */
1674 ioaddr = iobase + DCR9;
1676 /* Send 33 synchronization clock to Phy controller */
1677 for (i = 0; i < 35; i++)
1678 phy_write_1bit(ioaddr, PHY_DATA_1);
1680 /* Send start command(01) to Phy */
1681 phy_write_1bit(ioaddr, PHY_DATA_0);
1682 phy_write_1bit(ioaddr, PHY_DATA_1);
1684 /* Send write command(01) to Phy */
1685 phy_write_1bit(ioaddr, PHY_DATA_0);
1686 phy_write_1bit(ioaddr, PHY_DATA_1);
1688 /* Send Phy address */
1689 for (i = 0x10; i > 0; i = i >> 1)
1690 phy_write_1bit(ioaddr, phy_addr & i ? PHY_DATA_1 : PHY_DATA_0);
1692 /* Send register address */
1693 for (i = 0x10; i > 0; i = i >> 1)
1694 phy_write_1bit(ioaddr, offset & i ? PHY_DATA_1 : PHY_DATA_0);
1696 /* written trasnition */
1697 phy_write_1bit(ioaddr, PHY_DATA_1);
1698 phy_write_1bit(ioaddr, PHY_DATA_0);
1700 /* Write a word data to PHY controller */
1701 for ( i = 0x8000; i > 0; i >>= 1)
1702 phy_write_1bit(ioaddr, phy_data & i ? PHY_DATA_1 : PHY_DATA_0);
1708 * Read a word data from phy register
1711 static u16 phy_read(unsigned long iobase, u8 phy_addr, u8 offset, u32 chip_id)
1715 unsigned long ioaddr;
1717 if (chip_id == PCI_DM9132_ID) {
1719 ioaddr = iobase + 0x80 + offset * 4;
1720 phy_data = inw(ioaddr);
1722 /* DM9102/DM9102A Chip */
1723 ioaddr = iobase + DCR9;
1725 /* Send 33 synchronization clock to Phy controller */
1726 for (i = 0; i < 35; i++)
1727 phy_write_1bit(ioaddr, PHY_DATA_1);
1729 /* Send start command(01) to Phy */
1730 phy_write_1bit(ioaddr, PHY_DATA_0);
1731 phy_write_1bit(ioaddr, PHY_DATA_1);
1733 /* Send read command(10) to Phy */
1734 phy_write_1bit(ioaddr, PHY_DATA_1);
1735 phy_write_1bit(ioaddr, PHY_DATA_0);
1737 /* Send Phy address */
1738 for (i = 0x10; i > 0; i = i >> 1)
1739 phy_write_1bit(ioaddr, phy_addr & i ? PHY_DATA_1 : PHY_DATA_0);
1741 /* Send register address */
1742 for (i = 0x10; i > 0; i = i >> 1)
1743 phy_write_1bit(ioaddr, offset & i ? PHY_DATA_1 : PHY_DATA_0);
1745 /* Skip transition state */
1746 phy_read_1bit(ioaddr);
1748 /* read 16bit data */
1749 for (phy_data = 0, i = 0; i < 16; i++) {
1751 phy_data |= phy_read_1bit(ioaddr);
1760 * Write one bit data to Phy Controller
1763 static void phy_write_1bit(unsigned long ioaddr, u32 phy_data)
1765 outl(phy_data, ioaddr); /* MII Clock Low */
1767 outl(phy_data | MDCLKH, ioaddr); /* MII Clock High */
1769 outl(phy_data, ioaddr); /* MII Clock Low */
1775 * Read one bit phy data from PHY controller
1778 static u16 phy_read_1bit(unsigned long ioaddr)
1782 outl(0x50000, ioaddr);
1784 phy_data = ( inl(ioaddr) >> 19 ) & 0x1;
1785 outl(0x40000, ioaddr);
1793 * Parser SROM and media mode
1796 static void dmfe_parse_srom(struct dmfe_board_info * db)
1798 char * srom = db->srom;
1799 int dmfe_mode, tmp_reg;
1801 DMFE_DBUG(0, "dmfe_parse_srom() ", 0);
1804 db->cr15_data = CR15_DEFAULT;
1806 /* Check SROM Version */
1807 if ( ( (int) srom[18] & 0xff) == SROM_V41_CODE) {
1809 /* Get NIC support media mode */
1810 db->NIC_capability = le16_to_cpup(srom + 34);
1812 for (tmp_reg = 1; tmp_reg < 0x10; tmp_reg <<= 1) {
1813 switch( db->NIC_capability & tmp_reg ) {
1814 case 0x1: db->PHY_reg4 |= 0x0020; break;
1815 case 0x2: db->PHY_reg4 |= 0x0040; break;
1816 case 0x4: db->PHY_reg4 |= 0x0080; break;
1817 case 0x8: db->PHY_reg4 |= 0x0100; break;
1821 /* Media Mode Force or not check */
1822 dmfe_mode = le32_to_cpup(srom + 34) & le32_to_cpup(srom + 36);
1824 case 0x4: dmfe_media_mode = DMFE_100MHF; break; /* 100MHF */
1825 case 0x2: dmfe_media_mode = DMFE_10MFD; break; /* 10MFD */
1826 case 0x8: dmfe_media_mode = DMFE_100MFD; break; /* 100MFD */
1828 case 0x200: dmfe_media_mode = DMFE_1M_HPNA; break;/* HomePNA */
1831 /* Special Function setting */
1833 if ( (SF_mode & 0x1) || (srom[43] & 0x80) )
1834 db->cr15_data |= 0x40;
1837 if ( (SF_mode & 0x2) || (srom[40] & 0x1) )
1838 db->cr15_data |= 0x400;
1840 /* TX pause packet */
1841 if ( (SF_mode & 0x4) || (srom[40] & 0xe) )
1842 db->cr15_data |= 0x9800;
1845 /* Parse HPNA parameter */
1846 db->HPNA_command = 1;
1848 /* Accept remote command or not */
1849 if (HPNA_rx_cmd == 0)
1850 db->HPNA_command |= 0x8000;
1852 /* Issue remote command & operation mode */
1853 if (HPNA_tx_cmd == 1)
1854 switch(HPNA_mode) { /* Issue Remote Command */
1855 case 0: db->HPNA_command |= 0x0904; break;
1856 case 1: db->HPNA_command |= 0x0a00; break;
1857 case 2: db->HPNA_command |= 0x0506; break;
1858 case 3: db->HPNA_command |= 0x0602; break;
1861 switch(HPNA_mode) { /* Don't Issue */
1862 case 0: db->HPNA_command |= 0x0004; break;
1863 case 1: db->HPNA_command |= 0x0000; break;
1864 case 2: db->HPNA_command |= 0x0006; break;
1865 case 3: db->HPNA_command |= 0x0002; break;
1868 /* Check DM9801 or DM9802 present or not */
1869 db->HPNA_present = 0;
1870 update_cr6(db->cr6_data|0x40000, db->ioaddr);
1871 tmp_reg = phy_read(db->ioaddr, db->phy_addr, 3, db->chip_id);
1872 if ( ( tmp_reg & 0xfff0 ) == 0xb900 ) {
1873 /* DM9801 or DM9802 present */
1875 if ( phy_read(db->ioaddr, db->phy_addr, 31, db->chip_id) == 0x4404) {
1876 /* DM9801 HomeRun */
1877 db->HPNA_present = 1;
1878 dmfe_program_DM9801(db, tmp_reg);
1880 /* DM9802 LongRun */
1881 db->HPNA_present = 2;
1882 dmfe_program_DM9802(db);
1890 * Init HomeRun DM9801
1893 static void dmfe_program_DM9801(struct dmfe_board_info * db, int HPNA_rev)
1897 if ( !HPNA_NoiseFloor ) HPNA_NoiseFloor = DM9801_NOISE_FLOOR;
1899 case 0xb900: /* DM9801 E3 */
1900 db->HPNA_command |= 0x1000;
1901 reg25 = phy_read(db->ioaddr, db->phy_addr, 24, db->chip_id);
1902 reg25 = ( (reg25 + HPNA_NoiseFloor) & 0xff) | 0xf000;
1903 reg17 = phy_read(db->ioaddr, db->phy_addr, 17, db->chip_id);
1905 case 0xb901: /* DM9801 E4 */
1906 reg25 = phy_read(db->ioaddr, db->phy_addr, 25, db->chip_id);
1907 reg25 = (reg25 & 0xff00) + HPNA_NoiseFloor;
1908 reg17 = phy_read(db->ioaddr, db->phy_addr, 17, db->chip_id);
1909 reg17 = (reg17 & 0xfff0) + HPNA_NoiseFloor + 3;
1911 case 0xb902: /* DM9801 E5 */
1912 case 0xb903: /* DM9801 E6 */
1914 db->HPNA_command |= 0x1000;
1915 reg25 = phy_read(db->ioaddr, db->phy_addr, 25, db->chip_id);
1916 reg25 = (reg25 & 0xff00) + HPNA_NoiseFloor - 5;
1917 reg17 = phy_read(db->ioaddr, db->phy_addr, 17, db->chip_id);
1918 reg17 = (reg17 & 0xfff0) + HPNA_NoiseFloor;
1921 phy_write(db->ioaddr, db->phy_addr, 16, db->HPNA_command, db->chip_id);
1922 phy_write(db->ioaddr, db->phy_addr, 17, reg17, db->chip_id);
1923 phy_write(db->ioaddr, db->phy_addr, 25, reg25, db->chip_id);
1928 * Init HomeRun DM9802
1931 static void dmfe_program_DM9802(struct dmfe_board_info * db)
1935 if ( !HPNA_NoiseFloor ) HPNA_NoiseFloor = DM9802_NOISE_FLOOR;
1936 phy_write(db->ioaddr, db->phy_addr, 16, db->HPNA_command, db->chip_id);
1937 phy_reg = phy_read(db->ioaddr, db->phy_addr, 25, db->chip_id);
1938 phy_reg = ( phy_reg & 0xff00) + HPNA_NoiseFloor;
1939 phy_write(db->ioaddr, db->phy_addr, 25, phy_reg, db->chip_id);
1944 * Check remote HPNA power and speed status. If not correct,
1945 * issue command again.
1948 static void dmfe_HPNA_remote_cmd_chk(struct dmfe_board_info * db)
1952 /* Got remote device status */
1953 phy_reg = phy_read(db->ioaddr, db->phy_addr, 17, db->chip_id) & 0x60;
1955 case 0x00: phy_reg = 0x0a00;break; /* LP/LS */
1956 case 0x20: phy_reg = 0x0900;break; /* LP/HS */
1957 case 0x40: phy_reg = 0x0600;break; /* HP/LS */
1958 case 0x60: phy_reg = 0x0500;break; /* HP/HS */
1961 /* Check remote device status match our setting ot not */
1962 if ( phy_reg != (db->HPNA_command & 0x0f00) ) {
1963 phy_write(db->ioaddr, db->phy_addr, 16, db->HPNA_command, db->chip_id);
1966 db->HPNA_timer=600; /* Match, every 10 minutes, check */
1971 static struct pci_device_id dmfe_pci_tbl[] = {
1972 { 0x1282, 0x9132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_DM9132_ID },
1973 { 0x1282, 0x9102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_DM9102_ID },
1974 { 0x1282, 0x9100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_DM9100_ID },
1975 { 0x1282, 0x9009, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_DM9009_ID },
1978 MODULE_DEVICE_TABLE(pci, dmfe_pci_tbl);
1981 static struct pci_driver dmfe_driver = {
1983 .id_table = dmfe_pci_tbl,
1984 .probe = dmfe_init_one,
1985 .remove = __devexit_p(dmfe_remove_one),
1988 MODULE_AUTHOR("Sten Wang, sten_wang@davicom.com.tw");
1989 MODULE_DESCRIPTION("Davicom DM910X fast ethernet driver");
1990 MODULE_LICENSE("GPL");
1991 MODULE_VERSION(DRV_VERSION);
1993 module_param(debug, int, 0);
1994 module_param(mode, byte, 0);
1995 module_param(cr6set, int, 0);
1996 module_param(chkmode, byte, 0);
1997 module_param(HPNA_mode, byte, 0);
1998 module_param(HPNA_rx_cmd, byte, 0);
1999 module_param(HPNA_tx_cmd, byte, 0);
2000 module_param(HPNA_NoiseFloor, byte, 0);
2001 module_param(SF_mode, byte, 0);
2002 MODULE_PARM_DESC(debug, "Davicom DM9xxx enable debugging (0-1)");
2003 MODULE_PARM_DESC(mode, "Davicom DM9xxx: Bit 0: 10/100Mbps, bit 2: duplex, bit 8: HomePNA");
2004 MODULE_PARM_DESC(SF_mode, "Davicom DM9xxx special function (bit 0: VLAN, bit 1 Flow Control, bit 2: TX pause packet)");
2007 * when user used insmod to add module, system invoked init_module()
2008 * to initilize and register.
2011 static int __init dmfe_init_module(void)
2016 printed_version = 1;
2018 DMFE_DBUG(0, "init_module() ", debug);
2021 dmfe_debug = debug; /* set debug flag */
2023 dmfe_cr6_user_set = cr6set;
2031 dmfe_media_mode = mode;
2033 default:dmfe_media_mode = DMFE_AUTO;
2038 HPNA_mode = 0; /* Default: LP/HS */
2039 if (HPNA_rx_cmd > 1)
2040 HPNA_rx_cmd = 0; /* Default: Ignored remote cmd */
2041 if (HPNA_tx_cmd > 1)
2042 HPNA_tx_cmd = 0; /* Default: Don't issue remote cmd */
2043 if (HPNA_NoiseFloor > 15)
2044 HPNA_NoiseFloor = 0;
2046 rc = pci_module_init(&dmfe_driver);
2056 * when user used rmmod to delete module, system invoked clean_module()
2057 * to un-register all registered services.
2060 static void __exit dmfe_cleanup_module(void)
2062 DMFE_DBUG(0, "dmfe_clean_module() ", debug);
2063 pci_unregister_driver(&dmfe_driver);
2066 module_init(dmfe_init_module);
2067 module_exit(dmfe_cleanup_module);