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.
54 Implement pci_driver::suspend() and pci_driver::resume()
55 power management methods.
57 Check on 64 bit boxes.
58 Check and fix on big endian boxes.
60 Test and make sure PCI latency is now correct for all cases.
63 #define DRV_NAME "dmfe"
64 #define DRV_VERSION "1.36.4"
65 #define DRV_RELDATE "2002-01-17"
67 #include <linux/module.h>
69 #include <linux/kernel.h>
70 #include <linux/sched.h>
71 #include <linux/string.h>
72 #include <linux/timer.h>
73 #include <linux/ptrace.h>
74 #include <linux/errno.h>
75 #include <linux/ioport.h>
76 #include <linux/slab.h>
77 #include <linux/interrupt.h>
78 #include <linux/pci.h>
79 #include <linux/init.h>
80 #include <linux/version.h>
81 #include <linux/netdevice.h>
82 #include <linux/etherdevice.h>
83 #include <linux/ethtool.h>
84 #include <linux/skbuff.h>
85 #include <linux/delay.h>
86 #include <linux/spinlock.h>
87 #include <linux/crc32.h>
89 #include <asm/processor.h>
90 #include <asm/bitops.h>
93 #include <asm/uaccess.h>
96 /* Board/System/Debug information/definition ---------------- */
97 #define PCI_DM9132_ID 0x91321282 /* Davicom DM9132 ID */
98 #define PCI_DM9102_ID 0x91021282 /* Davicom DM9102 ID */
99 #define PCI_DM9100_ID 0x91001282 /* Davicom DM9100 ID */
100 #define PCI_DM9009_ID 0x90091282 /* Davicom DM9009 ID */
102 #define DM9102_IO_SIZE 0x80
103 #define DM9102A_IO_SIZE 0x100
104 #define TX_MAX_SEND_CNT 0x1 /* Maximum tx packet per time */
105 #define TX_DESC_CNT 0x10 /* Allocated Tx descriptors */
106 #define RX_DESC_CNT 0x20 /* Allocated Rx descriptors */
107 #define TX_FREE_DESC_CNT (TX_DESC_CNT - 2) /* Max TX packet count */
108 #define TX_WAKE_DESC_CNT (TX_DESC_CNT - 3) /* TX wakeup count */
109 #define DESC_ALL_CNT (TX_DESC_CNT + RX_DESC_CNT)
110 #define TX_BUF_ALLOC 0x600
111 #define RX_ALLOC_SIZE 0x620
112 #define DM910X_RESET 1
113 #define CR0_DEFAULT 0x00E00000 /* TX & RX burst mode */
114 #define CR6_DEFAULT 0x00080000 /* HD */
115 #define CR7_DEFAULT 0x180c1
116 #define CR15_DEFAULT 0x06 /* TxJabber RxWatchdog */
117 #define TDES0_ERR_MASK 0x4302 /* TXJT, LC, EC, FUE */
118 #define MAX_PACKET_SIZE 1514
119 #define DMFE_MAX_MULTICAST 14
120 #define RX_COPY_SIZE 100
121 #define MAX_CHECK_PACKET 0x8000
122 #define DM9801_NOISE_FLOOR 8
123 #define DM9802_NOISE_FLOOR 5
126 #define DMFE_100MHF 1
128 #define DMFE_100MFD 5
130 #define DMFE_1M_HPNA 0x10
132 #define DMFE_TXTH_72 0x400000 /* TX TH 72 byte */
133 #define DMFE_TXTH_96 0x404000 /* TX TH 96 byte */
134 #define DMFE_TXTH_128 0x0000 /* TX TH 128 byte */
135 #define DMFE_TXTH_256 0x4000 /* TX TH 256 byte */
136 #define DMFE_TXTH_512 0x8000 /* TX TH 512 byte */
137 #define DMFE_TXTH_1K 0xC000 /* TX TH 1K byte */
139 #define DMFE_TIMER_WUT (jiffies + HZ * 1)/* timer wakeup time : 1 second */
140 #define DMFE_TX_TIMEOUT ((3*HZ)/2) /* tx packet time-out time 1.5 s" */
141 #define DMFE_TX_KICK (HZ/2) /* tx packet Kick-out time 0.5 s" */
143 #define DMFE_DBUG(dbug_now, msg, value) if (dmfe_debug || (dbug_now)) printk(KERN_ERR DRV_NAME ": %s %lx\n", (msg), (long) (value))
145 #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");
148 /* CR9 definition: SROM/MII */
149 #define CR9_SROM_READ 0x4800
151 #define CR9_SRCLK 0x2
152 #define CR9_CRDOUT 0x8
153 #define SROM_DATA_0 0x0
154 #define SROM_DATA_1 0x4
155 #define PHY_DATA_1 0x20000
156 #define PHY_DATA_0 0x00000
157 #define MDCLKH 0x10000
159 #define PHY_POWER_DOWN 0x800
161 #define SROM_V41_CODE 0x14
163 #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);
165 #define __CHK_IO_SIZE(pci_id, dev_rev) ( ((pci_id)==PCI_DM9132_ID) || ((dev_rev) >= 0x02000030) ) ? DM9102A_IO_SIZE: DM9102_IO_SIZE
166 #define CHK_IO_SIZE(pci_dev, dev_rev) __CHK_IO_SIZE(((pci_dev)->device << 16) | (pci_dev)->vendor, dev_rev)
169 #define DEVICE net_device
171 /* Structure/enum declaration ------------------------------- */
173 u32 tdes0, tdes1, tdes2, tdes3; /* Data for the card */
174 char *tx_buf_ptr; /* Data for us */
175 struct tx_desc *next_tx_desc;
176 } __attribute__(( aligned(32) ));
179 u32 rdes0, rdes1, rdes2, rdes3; /* Data for the card */
180 struct sk_buff *rx_skb_ptr; /* Data for us */
181 struct rx_desc *next_rx_desc;
182 } __attribute__(( aligned(32) ));
184 struct dmfe_board_info {
185 u32 chip_id; /* Chip vendor/Device ID */
186 u32 chip_revision; /* Chip revision */
187 struct DEVICE *next_dev; /* next device */
188 struct pci_dev *pdev; /* PCI device */
191 long ioaddr; /* I/O base address */
198 /* pointer for memory physical address */
199 dma_addr_t buf_pool_dma_ptr; /* Tx buffer pool memory */
200 dma_addr_t buf_pool_dma_start; /* Tx buffer pool align dword */
201 dma_addr_t desc_pool_dma_ptr; /* descriptor pool memory */
202 dma_addr_t first_tx_desc_dma;
203 dma_addr_t first_rx_desc_dma;
205 /* descriptor pointer */
206 unsigned char *buf_pool_ptr; /* Tx buffer pool memory */
207 unsigned char *buf_pool_start; /* Tx buffer pool align dword */
208 unsigned char *desc_pool_ptr; /* descriptor pool memory */
209 struct tx_desc *first_tx_desc;
210 struct tx_desc *tx_insert_ptr;
211 struct tx_desc *tx_remove_ptr;
212 struct rx_desc *first_rx_desc;
213 struct rx_desc *rx_insert_ptr;
214 struct rx_desc *rx_ready_ptr; /* packet come pointer */
215 unsigned long tx_packet_cnt; /* transmitted packet count */
216 unsigned long tx_queue_cnt; /* wait to send packet count */
217 unsigned long rx_avail_cnt; /* available rx descriptor count */
218 unsigned long interval_rx_cnt; /* rx packet count a callback time */
220 u16 HPNA_command; /* For HPNA register 16 */
221 u16 HPNA_timer; /* For HPNA remote device check */
223 u16 NIC_capability; /* NIC media capability */
224 u16 PHY_reg4; /* Saved Phyxcer register 4 value */
226 u8 HPNA_present; /* 0:none, 1:DM9801, 2:DM9802 */
227 u8 chip_type; /* Keep DM9102A chip type */
228 u8 media_mode; /* user specify media mode */
229 u8 op_mode; /* real work media mode */
231 u8 link_failed; /* Ever link failed */
232 u8 wait_reset; /* Hardware failed, need to reset */
233 u8 dm910x_chk_mode; /* Operating mode check */
234 u8 first_in_callback; /* Flag to record state */
235 struct timer_list timer;
237 /* System defined statistic counter */
238 struct net_device_stats stats;
240 /* Driver defined statistic counter */
241 unsigned long tx_fifo_underrun;
242 unsigned long tx_loss_carrier;
243 unsigned long tx_no_carrier;
244 unsigned long tx_late_collision;
245 unsigned long tx_excessive_collision;
246 unsigned long tx_jabber_timeout;
247 unsigned long reset_count;
248 unsigned long reset_cr8;
249 unsigned long reset_fatal;
250 unsigned long reset_TXtimeout;
253 unsigned char srom[128];
257 DCR0 = 0x00, DCR1 = 0x08, DCR2 = 0x10, DCR3 = 0x18, DCR4 = 0x20,
258 DCR5 = 0x28, DCR6 = 0x30, DCR7 = 0x38, DCR8 = 0x40, DCR9 = 0x48,
259 DCR10 = 0x50, DCR11 = 0x58, DCR12 = 0x60, DCR13 = 0x68, DCR14 = 0x70,
264 CR6_RXSC = 0x2, CR6_PBF = 0x8, CR6_PM = 0x40, CR6_PAM = 0x80,
265 CR6_FDM = 0x200, CR6_TXSC = 0x2000, CR6_STI = 0x100000,
266 CR6_SFT = 0x200000, CR6_RXA = 0x40000000, CR6_NO_PURGE = 0x20000000
269 /* Global variable declaration ----------------------------- */
270 static int __devinitdata printed_version;
271 static char version[] __devinitdata =
272 KERN_INFO DRV_NAME ": Davicom DM9xxx net driver, version "
273 DRV_VERSION " (" DRV_RELDATE ")\n";
275 static int dmfe_debug;
276 static unsigned char dmfe_media_mode = DMFE_AUTO;
277 static u32 dmfe_cr6_user_set;
279 /* For module input parameter */
282 static unsigned char mode = 8;
283 static u8 chkmode = 1;
284 static u8 HPNA_mode; /* Default: Low Power/High Speed */
285 static u8 HPNA_rx_cmd; /* Default: Disable Rx remote command */
286 static u8 HPNA_tx_cmd; /* Default: Don't issue remote command */
287 static u8 HPNA_NoiseFloor; /* Default: HPNA NoiseFloor */
288 static u8 SF_mode; /* Special Function: 1:VLAN, 2:RX Flow Control
289 4: TX pause packet */
292 /* function declaration ------------------------------------- */
293 static int dmfe_open(struct DEVICE *);
294 static int dmfe_start_xmit(struct sk_buff *, struct DEVICE *);
295 static int dmfe_stop(struct DEVICE *);
296 static struct net_device_stats * dmfe_get_stats(struct DEVICE *);
297 static void dmfe_set_filter_mode(struct DEVICE *);
298 static int dmfe_do_ioctl(struct DEVICE *, struct ifreq *, int);
299 static u16 read_srom_word(long ,int);
300 static void dmfe_interrupt(int , void *, struct pt_regs *);
301 static void dmfe_descriptor_init(struct dmfe_board_info *, unsigned long);
302 static void allocate_rx_buffer(struct dmfe_board_info *);
303 static void update_cr6(u32, unsigned long);
304 static void send_filter_frame(struct DEVICE * ,int);
305 static void dm9132_id_table(struct DEVICE * ,int);
306 static u16 phy_read(unsigned long, u8, u8, u32);
307 static void phy_write(unsigned long, u8, u8, u16, u32);
308 static void phy_write_1bit(unsigned long, u32);
309 static u16 phy_read_1bit(unsigned long);
310 static u8 dmfe_sense_speed(struct dmfe_board_info *);
311 static void dmfe_process_mode(struct dmfe_board_info *);
312 static void dmfe_timer(unsigned long);
313 static void dmfe_rx_packet(struct DEVICE *, struct dmfe_board_info *);
314 static void dmfe_free_tx_pkt(struct DEVICE *, struct dmfe_board_info *);
315 static void dmfe_reuse_skb(struct dmfe_board_info *, struct sk_buff *);
316 static void dmfe_dynamic_reset(struct DEVICE *);
317 static void dmfe_free_rxbuffer(struct dmfe_board_info *);
318 static void dmfe_init_dm910x(struct DEVICE *);
319 static inline u32 cal_CRC(unsigned char *, unsigned int, u8);
320 static void dmfe_parse_srom(struct dmfe_board_info *);
321 static void dmfe_program_DM9801(struct dmfe_board_info *, int);
322 static void dmfe_program_DM9802(struct dmfe_board_info *);
323 static void dmfe_HPNA_remote_cmd_chk(struct dmfe_board_info * );
324 static void dmfe_set_phyxcer(struct dmfe_board_info *);
326 /* DM910X network baord routine ---------------------------- */
329 * Search DM910X board ,allocate space and register it
332 static int __devinit dmfe_init_one (struct pci_dev *pdev,
333 const struct pci_device_id *ent)
335 struct dmfe_board_info *db; /* board information structure */
336 struct net_device *dev;
337 u32 dev_rev, pci_pmr;
340 DMFE_DBUG(0, "dmfe_init_one()", 0);
342 if (!printed_version++)
345 /* Init network device */
346 dev = alloc_etherdev(sizeof(*db));
349 SET_MODULE_OWNER(dev);
351 if (pci_set_dma_mask(pdev, 0xffffffff)) {
352 printk(KERN_WARNING DRV_NAME ": 32-bit PCI DMA not available.\n");
357 /* Enable Master/IO access, Disable memory access */
358 err = pci_enable_device(pdev);
362 if (!pci_resource_start(pdev, 0)) {
363 printk(KERN_ERR DRV_NAME ": I/O base is zero\n");
365 goto err_out_disable;
368 /* Read Chip revision */
369 pci_read_config_dword(pdev, PCI_REVISION_ID, &dev_rev);
371 if (pci_resource_len(pdev, 0) < (CHK_IO_SIZE(pdev, dev_rev)) ) {
372 printk(KERN_ERR DRV_NAME ": Allocated I/O size too small\n");
374 goto err_out_disable;
377 #if 0 /* pci_{enable_device,set_master} sets minimum latency for us now */
379 /* Set Latency Timer 80h */
380 /* FIXME: setting values > 32 breaks some SiS 559x stuff.
381 Need a PCI quirk.. */
383 pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x80);
386 if (pci_request_regions(pdev, DRV_NAME)) {
387 printk(KERN_ERR DRV_NAME ": Failed to request PCI regions\n");
389 goto err_out_disable;
392 /* Init system & device */
395 /* Allocate Tx/Rx descriptor memory */
396 db->desc_pool_ptr = pci_alloc_consistent(pdev, sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20, &db->desc_pool_dma_ptr);
397 db->buf_pool_ptr = pci_alloc_consistent(pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4, &db->buf_pool_dma_ptr);
399 db->first_tx_desc = (struct tx_desc *) db->desc_pool_ptr;
400 db->first_tx_desc_dma = db->desc_pool_dma_ptr;
401 db->buf_pool_start = db->buf_pool_ptr;
402 db->buf_pool_dma_start = db->buf_pool_dma_ptr;
404 db->chip_id = ent->driver_data;
405 db->ioaddr = pci_resource_start(pdev, 0);
406 db->chip_revision = dev_rev;
410 dev->base_addr = db->ioaddr;
411 dev->irq = pdev->irq;
412 pci_set_drvdata(pdev, dev);
413 dev->open = &dmfe_open;
414 dev->hard_start_xmit = &dmfe_start_xmit;
415 dev->stop = &dmfe_stop;
416 dev->get_stats = &dmfe_get_stats;
417 dev->set_multicast_list = &dmfe_set_filter_mode;
418 dev->do_ioctl = &dmfe_do_ioctl;
419 spin_lock_init(&db->lock);
421 pci_read_config_dword(pdev, 0x50, &pci_pmr);
423 if ( (pci_pmr == 0x10000) && (dev_rev == 0x02000031) )
424 db->chip_type = 1; /* DM9102A E3 */
428 /* read 64 word srom data */
429 for (i = 0; i < 64; i++)
430 ((u16 *) db->srom)[i] = cpu_to_le16(read_srom_word(db->ioaddr, i));
432 /* Set Node address */
433 for (i = 0; i < 6; i++)
434 dev->dev_addr[i] = db->srom[20 + i];
436 err = register_netdev (dev);
440 printk(KERN_INFO "%s: Davicom DM%04lx at pci%s,",
442 ent->driver_data >> 16,
444 for (i = 0; i < 6; i++)
445 printk("%c%02x", i ? ':' : ' ', dev->dev_addr[i]);
446 printk(", irq %d.\n", dev->irq);
448 pci_set_master(pdev);
453 pci_release_regions(pdev);
455 pci_disable_device(pdev);
457 pci_set_drvdata(pdev, NULL);
464 static void __devexit dmfe_remove_one (struct pci_dev *pdev)
466 struct net_device *dev = pci_get_drvdata(pdev);
467 struct dmfe_board_info *db = dev->priv;
469 DMFE_DBUG(0, "dmfe_remove_one()", 0);
472 pci_free_consistent(db->pdev, sizeof(struct tx_desc) *
473 DESC_ALL_CNT + 0x20, db->desc_pool_ptr,
474 db->desc_pool_dma_ptr);
475 pci_free_consistent(db->pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4,
476 db->buf_pool_ptr, db->buf_pool_dma_ptr);
477 unregister_netdev(dev);
478 pci_release_regions(pdev);
479 kfree(dev); /* free board information */
480 pci_set_drvdata(pdev, NULL);
483 DMFE_DBUG(0, "dmfe_remove_one() exit", 0);
488 * Open the interface.
489 * The interface is opened whenever "ifconfig" actives it.
492 static int dmfe_open(struct DEVICE *dev)
495 struct dmfe_board_info *db = dev->priv;
497 DMFE_DBUG(0, "dmfe_open", 0);
499 ret = request_irq(dev->irq, &dmfe_interrupt, SA_SHIRQ, dev->name, dev);
503 /* system variable init */
504 db->cr6_data = CR6_DEFAULT | dmfe_cr6_user_set;
505 db->tx_packet_cnt = 0;
506 db->tx_queue_cnt = 0;
507 db->rx_avail_cnt = 0;
511 db->first_in_callback = 0;
512 db->NIC_capability = 0xf; /* All capability*/
513 db->PHY_reg4 = 0x1e0;
515 /* CR6 operation mode decision */
516 if ( !chkmode || (db->chip_id == PCI_DM9132_ID) ||
517 (db->chip_revision >= 0x02000030) ) {
518 db->cr6_data |= DMFE_TXTH_256;
519 db->cr0_data = CR0_DEFAULT;
520 db->dm910x_chk_mode=4; /* Enter the normal mode */
522 db->cr6_data |= CR6_SFT; /* Store & Forward mode */
524 db->dm910x_chk_mode = 1; /* Enter the check mode */
527 /* Initilize DM910X board */
528 dmfe_init_dm910x(dev);
530 /* Active System Interface */
531 netif_wake_queue(dev);
533 /* set and active a timer process */
534 init_timer(&db->timer);
535 db->timer.expires = DMFE_TIMER_WUT + HZ * 2;
536 db->timer.data = (unsigned long)dev;
537 db->timer.function = &dmfe_timer;
538 add_timer(&db->timer);
544 /* Initilize DM910X board
546 * Initilize TX/Rx descriptor chain structure
547 * Send the set-up frame
548 * Enable Tx/Rx machine
551 static void dmfe_init_dm910x(struct DEVICE *dev)
553 struct dmfe_board_info *db = dev->priv;
554 unsigned long ioaddr = db->ioaddr;
556 DMFE_DBUG(0, "dmfe_init_dm910x()", 0);
558 /* Reset DM910x MAC controller */
559 outl(DM910X_RESET, ioaddr + DCR0); /* RESET MAC */
561 outl(db->cr0_data, ioaddr + DCR0);
564 /* Phy addr : DM910(A)2/DM9132/9801, phy address = 1 */
567 /* Parser SROM and media mode */
569 db->media_mode = dmfe_media_mode;
571 /* RESET Phyxcer Chip by GPR port bit 7 */
572 outl(0x180, ioaddr + DCR12); /* Let bit 7 output port */
573 if (db->chip_id == PCI_DM9009_ID) {
574 outl(0x80, ioaddr + DCR12); /* Issue RESET signal */
575 mdelay(300); /* Delay 300 ms */
577 outl(0x0, ioaddr + DCR12); /* Clear RESET signal */
579 /* Process Phyxcer Media Mode */
580 if ( !(db->media_mode & 0x10) ) /* Force 1M mode */
581 dmfe_set_phyxcer(db);
583 /* Media Mode Process */
584 if ( !(db->media_mode & DMFE_AUTO) )
585 db->op_mode = db->media_mode; /* Force Mode */
587 /* Initiliaze Transmit/Receive decriptor and CR3/4 */
588 dmfe_descriptor_init(db, ioaddr);
590 /* Init CR6 to program DM910x operation */
591 update_cr6(db->cr6_data, ioaddr);
593 /* Send setup frame */
594 if (db->chip_id == PCI_DM9132_ID)
595 dm9132_id_table(dev, dev->mc_count); /* DM9132 */
597 send_filter_frame(dev, dev->mc_count); /* DM9102/DM9102A */
599 /* Init CR7, interrupt active bit */
600 db->cr7_data = CR7_DEFAULT;
601 outl(db->cr7_data, ioaddr + DCR7);
603 /* Init CR15, Tx jabber and Rx watchdog timer */
604 outl(db->cr15_data, ioaddr + DCR15);
606 /* Enable DM910X Tx/Rx function */
607 db->cr6_data |= CR6_RXSC | CR6_TXSC | 0x40000;
608 update_cr6(db->cr6_data, ioaddr);
613 * Hardware start transmission.
614 * Send a packet to media from the upper layer.
617 static int dmfe_start_xmit(struct sk_buff *skb, struct DEVICE *dev)
619 struct dmfe_board_info *db = dev->priv;
620 struct tx_desc *txptr;
623 DMFE_DBUG(0, "dmfe_start_xmit", 0);
625 /* Resource flag check */
626 netif_stop_queue(dev);
628 /* Too large packet check */
629 if (skb->len > MAX_PACKET_SIZE) {
630 printk(KERN_ERR DRV_NAME ": big packet = %d\n", (u16)skb->len);
635 spin_lock_irqsave(&db->lock, flags);
637 /* No Tx resource check, it never happen nromally */
638 if (db->tx_queue_cnt >= TX_FREE_DESC_CNT) {
639 spin_unlock_irqrestore(&db->lock, flags);
640 printk(KERN_ERR DRV_NAME ": No Tx resource %ld\n", db->tx_queue_cnt);
644 /* Disable NIC interrupt */
645 outl(0, dev->base_addr + DCR7);
647 /* transmit this packet */
648 txptr = db->tx_insert_ptr;
649 memcpy(txptr->tx_buf_ptr, skb->data, skb->len);
650 txptr->tdes1 = cpu_to_le32(0xe1000000 | skb->len);
652 /* Point to next transmit free descriptor */
653 db->tx_insert_ptr = txptr->next_tx_desc;
655 /* Transmit Packet Process */
656 if ( (!db->tx_queue_cnt) && (db->tx_packet_cnt < TX_MAX_SEND_CNT) ) {
657 txptr->tdes0 = cpu_to_le32(0x80000000); /* Set owner bit */
658 db->tx_packet_cnt++; /* Ready to send */
659 outl(0x1, dev->base_addr + DCR1); /* Issue Tx polling */
660 dev->trans_start = jiffies; /* saved time stamp */
662 db->tx_queue_cnt++; /* queue TX packet */
663 outl(0x1, dev->base_addr + DCR1); /* Issue Tx polling */
666 /* Tx resource check */
667 if ( db->tx_queue_cnt < TX_FREE_DESC_CNT )
668 netif_wake_queue(dev);
673 /* Restore CR7 to enable interrupt */
674 spin_unlock_irqrestore(&db->lock, flags);
675 outl(db->cr7_data, dev->base_addr + DCR7);
682 * Stop the interface.
683 * The interface is stopped when it is brought.
686 static int dmfe_stop(struct DEVICE *dev)
688 struct dmfe_board_info *db = dev->priv;
689 unsigned long ioaddr = dev->base_addr;
691 DMFE_DBUG(0, "dmfe_stop", 0);
694 netif_stop_queue(dev);
697 del_timer_sync(&db->timer);
699 /* Reset & stop DM910X board */
700 outl(DM910X_RESET, ioaddr + DCR0);
702 phy_write(db->ioaddr, db->phy_addr, 0, 0x8000, db->chip_id);
705 free_irq(dev->irq, dev);
707 /* free allocated rx buffer */
708 dmfe_free_rxbuffer(db);
711 /* show statistic counter */
712 printk(DRV_NAME ": FU:%lx EC:%lx LC:%lx NC:%lx LOC:%lx TXJT:%lx RESET:%lx RCR8:%lx FAL:%lx TT:%lx\n",
713 db->tx_fifo_underrun, db->tx_excessive_collision,
714 db->tx_late_collision, db->tx_no_carrier, db->tx_loss_carrier,
715 db->tx_jabber_timeout, db->reset_count, db->reset_cr8,
716 db->reset_fatal, db->reset_TXtimeout);
724 * DM9102 insterrupt handler
725 * receive the packet to upper layer, free the transmitted packet
728 static void dmfe_interrupt(int irq, void *dev_id, struct pt_regs *regs)
730 struct DEVICE *dev = dev_id;
731 struct dmfe_board_info *db = (struct dmfe_board_info *) dev->priv;
732 unsigned long ioaddr = dev->base_addr;
735 DMFE_DBUG(0, "dmfe_interrupt()", 0);
738 DMFE_DBUG(1, "dmfe_interrupt() without DEVICE arg", 0);
742 spin_lock_irqsave(&db->lock, flags);
744 /* Got DM910X status */
745 db->cr5_data = inl(ioaddr + DCR5);
746 outl(db->cr5_data, ioaddr + DCR5);
747 if ( !(db->cr5_data & 0xc1) ) {
748 spin_unlock_irqrestore(&db->lock, flags);
752 /* Disable all interrupt in CR7 to solve the interrupt edge problem */
753 outl(0, ioaddr + DCR7);
755 /* Check system status */
756 if (db->cr5_data & 0x2000) {
757 /* system bus error happen */
758 DMFE_DBUG(1, "System bus error happen. CR5=", db->cr5_data);
760 db->wait_reset = 1; /* Need to RESET */
761 spin_unlock_irqrestore(&db->lock, flags);
765 /* Received the coming packet */
766 if ( (db->cr5_data & 0x40) && db->rx_avail_cnt )
767 dmfe_rx_packet(dev, db);
769 /* reallocate rx descriptor buffer */
770 if (db->rx_avail_cnt<RX_DESC_CNT)
771 allocate_rx_buffer(db);
773 /* Free the transmitted descriptor */
774 if ( db->cr5_data & 0x01)
775 dmfe_free_tx_pkt(dev, db);
778 if (db->dm910x_chk_mode & 0x2) {
779 db->dm910x_chk_mode = 0x4;
780 db->cr6_data |= 0x100;
781 update_cr6(db->cr6_data, db->ioaddr);
784 /* Restore CR7 to enable interrupt mask */
785 outl(db->cr7_data, ioaddr + DCR7);
787 spin_unlock_irqrestore(&db->lock, flags);
792 * Free TX resource after TX complete
795 static void dmfe_free_tx_pkt(struct DEVICE *dev, struct dmfe_board_info * db)
797 struct tx_desc *txptr;
798 unsigned long ioaddr = dev->base_addr;
801 txptr = db->tx_remove_ptr;
802 while(db->tx_packet_cnt) {
803 tdes0 = le32_to_cpu(txptr->tdes0);
804 /* printk(DRV_NAME ": tdes0=%x\n", tdes0); */
805 if (tdes0 & 0x80000000)
808 /* A packet sent completed */
810 db->stats.tx_packets++;
812 /* Transmit statistic counter */
813 if ( tdes0 != 0x7fffffff ) {
814 /* printk(DRV_NAME ": tdes0=%x\n", tdes0); */
815 db->stats.collisions += (tdes0 >> 3) & 0xf;
816 db->stats.tx_bytes += le32_to_cpu(txptr->tdes1) & 0x7ff;
817 if (tdes0 & TDES0_ERR_MASK) {
818 db->stats.tx_errors++;
820 if (tdes0 & 0x0002) { /* UnderRun */
821 db->tx_fifo_underrun++;
822 if ( !(db->cr6_data & CR6_SFT) ) {
823 db->cr6_data = db->cr6_data | CR6_SFT;
824 update_cr6(db->cr6_data, db->ioaddr);
828 db->tx_excessive_collision++;
830 db->tx_late_collision++;
834 db->tx_loss_carrier++;
836 db->tx_jabber_timeout++;
840 txptr = txptr->next_tx_desc;
843 /* Update TX remove pointer to next */
844 db->tx_remove_ptr = txptr;
846 /* Send the Tx packet in queue */
847 if ( (db->tx_packet_cnt < TX_MAX_SEND_CNT) && db->tx_queue_cnt ) {
848 txptr->tdes0 = cpu_to_le32(0x80000000); /* Set owner bit */
849 db->tx_packet_cnt++; /* Ready to send */
851 outl(0x1, ioaddr + DCR1); /* Issue Tx polling */
852 dev->trans_start = jiffies; /* saved time stamp */
855 /* Resource available check */
856 if ( db->tx_queue_cnt < TX_WAKE_DESC_CNT )
857 netif_wake_queue(dev); /* Active upper layer, send again */
862 * Receive the come packet and pass to upper layer
865 static void dmfe_rx_packet(struct DEVICE *dev, struct dmfe_board_info * db)
867 struct rx_desc *rxptr;
872 rxptr = db->rx_ready_ptr;
874 while(db->rx_avail_cnt) {
875 rdes0 = le32_to_cpu(rxptr->rdes0);
876 if (rdes0 & 0x80000000) /* packet owner check */
880 db->interval_rx_cnt++;
882 pci_unmap_single(db->pdev, le32_to_cpu(rxptr->rdes2), RX_ALLOC_SIZE, PCI_DMA_FROMDEVICE);
883 if ( (rdes0 & 0x300) != 0x300) {
884 /* A packet without First/Last flag */
886 DMFE_DBUG(0, "Reuse SK buffer, rdes0", rdes0);
887 dmfe_reuse_skb(db, rxptr->rx_skb_ptr);
889 /* A packet with First/Last flag */
890 rxlen = ( (rdes0 >> 16) & 0x3fff) - 4;
892 /* error summary bit check */
893 if (rdes0 & 0x8000) {
894 /* This is a error packet */
895 //printk(DRV_NAME ": rdes0: %lx\n", rdes0);
896 db->stats.rx_errors++;
898 db->stats.rx_fifo_errors++;
900 db->stats.rx_crc_errors++;
902 db->stats.rx_length_errors++;
905 if ( !(rdes0 & 0x8000) ||
906 ((db->cr6_data & CR6_PM) && (rxlen>6)) ) {
907 skb = rxptr->rx_skb_ptr;
909 /* Received Packet CRC check need or not */
910 if ( (db->dm910x_chk_mode & 1) &&
911 (cal_CRC(skb->tail, rxlen, 1) !=
912 (*(u32 *) (skb->tail+rxlen) ))) { /* FIXME (?) */
913 /* Found a error received packet */
914 dmfe_reuse_skb(db, rxptr->rx_skb_ptr);
915 db->dm910x_chk_mode = 3;
917 /* Good packet, send to upper layer */
918 /* Shorst packet used new SKB */
919 if ( (rxlen < RX_COPY_SIZE) &&
920 ( (skb = dev_alloc_skb(rxlen + 2) )
922 /* size less than COPY_SIZE, allocate a rxlen SKB */
924 skb_reserve(skb, 2); /* 16byte align */
925 memcpy(skb_put(skb, rxlen), rxptr->rx_skb_ptr->tail, rxlen);
926 dmfe_reuse_skb(db, rxptr->rx_skb_ptr);
931 skb->protocol = eth_type_trans(skb, dev);
933 dev->last_rx = jiffies;
934 db->stats.rx_packets++;
935 db->stats.rx_bytes += rxlen;
938 /* Reuse SKB buffer when the packet is error */
939 DMFE_DBUG(0, "Reuse SK buffer, rdes0", rdes0);
940 dmfe_reuse_skb(db, rxptr->rx_skb_ptr);
944 rxptr = rxptr->next_rx_desc;
947 db->rx_ready_ptr = rxptr;
952 * Get statistics from driver.
955 static struct net_device_stats * dmfe_get_stats(struct DEVICE *dev)
957 struct dmfe_board_info *db = (struct dmfe_board_info *)dev->priv;
959 DMFE_DBUG(0, "dmfe_get_stats", 0);
965 * Set DM910X multicast address
968 static void dmfe_set_filter_mode(struct DEVICE * dev)
970 struct dmfe_board_info *db = dev->priv;
973 DMFE_DBUG(0, "dmfe_set_filter_mode()", 0);
974 spin_lock_irqsave(&db->lock, flags);
976 if (dev->flags & IFF_PROMISC) {
977 DMFE_DBUG(0, "Enable PROM Mode", 0);
978 db->cr6_data |= CR6_PM | CR6_PBF;
979 update_cr6(db->cr6_data, db->ioaddr);
980 spin_unlock_irqrestore(&db->lock, flags);
984 if (dev->flags & IFF_ALLMULTI || dev->mc_count > DMFE_MAX_MULTICAST) {
985 DMFE_DBUG(0, "Pass all multicast address", dev->mc_count);
986 db->cr6_data &= ~(CR6_PM | CR6_PBF);
987 db->cr6_data |= CR6_PAM;
988 spin_unlock_irqrestore(&db->lock, flags);
992 DMFE_DBUG(0, "Set multicast address", dev->mc_count);
993 if (db->chip_id == PCI_DM9132_ID)
994 dm9132_id_table(dev, dev->mc_count); /* DM9132 */
996 send_filter_frame(dev, dev->mc_count); /* DM9102/DM9102A */
997 spin_unlock_irqrestore(&db->lock, flags);
1002 * Process the ethtool ioctl command
1005 static int dmfe_ethtool_ioctl(struct net_device *dev, void *useraddr)
1007 struct dmfe_board_info *db = dev->priv;
1008 struct ethtool_drvinfo info = { ETHTOOL_GDRVINFO };
1011 if (copy_from_user(ðcmd, useraddr, sizeof(ethcmd)))
1015 case ETHTOOL_GDRVINFO:
1016 strcpy(info.driver, DRV_NAME);
1017 strcpy(info.version, DRV_VERSION);
1019 strcpy(info.bus_info, db->pdev->slot_name);
1021 sprintf(info.bus_info, "EISA 0x%lx %d",
1022 dev->base_addr, dev->irq);
1023 if (copy_to_user(useraddr, &info, sizeof(info)))
1033 * Process the upper socket ioctl command
1036 static int dmfe_do_ioctl(struct DEVICE *dev, struct ifreq *ifr, int cmd)
1038 int retval = -EOPNOTSUPP;
1039 DMFE_DBUG(0, "dmfe_do_ioctl()", 0);
1043 return dmfe_ethtool_ioctl(dev, (void*)ifr->ifr_data);
1051 * A periodic timer routine
1052 * Dynamic media sense, allocate Rx buffer...
1055 static void dmfe_timer(unsigned long data)
1058 unsigned char tmp_cr12;
1059 struct DEVICE *dev = (struct DEVICE *) data;
1060 struct dmfe_board_info *db = (struct dmfe_board_info *) dev->priv;
1061 unsigned long flags;
1063 DMFE_DBUG(0, "dmfe_timer()", 0);
1064 spin_lock_irqsave(&db->lock, flags);
1066 /* Media mode process when Link OK before enter this route */
1067 if (db->first_in_callback == 0) {
1068 db->first_in_callback = 1;
1069 if (db->chip_type && (db->chip_id==PCI_DM9102_ID)) {
1070 db->cr6_data &= ~0x40000;
1071 update_cr6(db->cr6_data, db->ioaddr);
1072 phy_write(db->ioaddr, db->phy_addr, 0, 0x1000, db->chip_id);
1073 db->cr6_data |= 0x40000;
1074 update_cr6(db->cr6_data, db->ioaddr);
1075 db->timer.expires = DMFE_TIMER_WUT + HZ * 2;
1076 add_timer(&db->timer);
1077 spin_unlock_irqrestore(&db->lock, flags);
1083 /* Operating Mode Check */
1084 if ( (db->dm910x_chk_mode & 0x1) &&
1085 (db->stats.rx_packets > MAX_CHECK_PACKET) )
1086 db->dm910x_chk_mode = 0x4;
1088 /* Dynamic reset DM910X : system error or transmit time-out */
1089 tmp_cr8 = inl(db->ioaddr + DCR8);
1090 if ( (db->interval_rx_cnt==0) && (tmp_cr8) ) {
1094 db->interval_rx_cnt = 0;
1096 /* TX polling kick monitor */
1097 if ( db->tx_packet_cnt &&
1098 time_after(jiffies, dev->trans_start + DMFE_TX_KICK) ) {
1099 outl(0x1, dev->base_addr + DCR1); /* Tx polling again */
1102 if ( time_after(jiffies, dev->trans_start + DMFE_TX_TIMEOUT) ) {
1103 db->reset_TXtimeout++;
1105 printk(KERN_WARNING "%s: Tx timeout - resetting\n",
1110 if (db->wait_reset) {
1111 DMFE_DBUG(0, "Dynamic Reset device", db->tx_packet_cnt);
1113 dmfe_dynamic_reset(dev);
1114 db->first_in_callback = 0;
1115 db->timer.expires = DMFE_TIMER_WUT;
1116 add_timer(&db->timer);
1117 spin_unlock_irqrestore(&db->lock, flags);
1121 /* Link status check, Dynamic media type change */
1122 if (db->chip_id == PCI_DM9132_ID)
1123 tmp_cr12 = inb(db->ioaddr + DCR9 + 3); /* DM9132 */
1125 tmp_cr12 = inb(db->ioaddr + DCR12); /* DM9102/DM9102A */
1127 if ( ((db->chip_id == PCI_DM9102_ID) &&
1128 (db->chip_revision == 0x02000030)) ||
1129 ((db->chip_id == PCI_DM9132_ID) &&
1130 (db->chip_revision == 0x02000010)) ) {
1133 tmp_cr12 = 0x0; /* Link failed */
1135 tmp_cr12 = 0x3; /* Link OK */
1138 if ( !(tmp_cr12 & 0x3) && !db->link_failed ) {
1140 DMFE_DBUG(0, "Link Failed", tmp_cr12);
1141 db->link_failed = 1;
1143 /* For Force 10/100M Half/Full mode: Enable Auto-Nego mode */
1144 /* AUTO or force 1M Homerun/Longrun don't need */
1145 if ( !(db->media_mode & 0x38) )
1146 phy_write(db->ioaddr, db->phy_addr, 0, 0x1000, db->chip_id);
1148 /* AUTO mode, if INT phyxcer link failed, select EXT device */
1149 if (db->media_mode & DMFE_AUTO) {
1150 /* 10/100M link failed, used 1M Home-Net */
1151 db->cr6_data|=0x00040000; /* bit18=1, MII */
1152 db->cr6_data&=~0x00000200; /* bit9=0, HD mode */
1153 update_cr6(db->cr6_data, db->ioaddr);
1156 if ((tmp_cr12 & 0x3) && db->link_failed) {
1157 DMFE_DBUG(0, "Link link OK", tmp_cr12);
1158 db->link_failed = 0;
1160 /* Auto Sense Speed */
1161 if ( (db->media_mode & DMFE_AUTO) &&
1162 dmfe_sense_speed(db) )
1163 db->link_failed = 1;
1164 dmfe_process_mode(db);
1165 /* SHOW_MEDIA_TYPE(db->op_mode); */
1168 /* HPNA remote command check */
1169 if (db->HPNA_command & 0xf00) {
1171 if (!db->HPNA_timer)
1172 dmfe_HPNA_remote_cmd_chk(db);
1175 /* Timer active again */
1176 db->timer.expires = DMFE_TIMER_WUT;
1177 add_timer(&db->timer);
1178 spin_unlock_irqrestore(&db->lock, flags);
1183 * Dynamic reset the DM910X board
1185 * Free Tx/Rx allocated memory
1186 * Reset DM910X board
1187 * Re-initilize DM910X board
1190 static void dmfe_dynamic_reset(struct DEVICE *dev)
1192 struct dmfe_board_info *db = dev->priv;
1194 DMFE_DBUG(0, "dmfe_dynamic_reset()", 0);
1196 /* Sopt MAC controller */
1197 db->cr6_data &= ~(CR6_RXSC | CR6_TXSC); /* Disable Tx/Rx */
1198 update_cr6(db->cr6_data, dev->base_addr);
1199 outl(0, dev->base_addr + DCR7); /* Disable Interrupt */
1200 outl(inl(dev->base_addr + DCR5), dev->base_addr + DCR5);
1202 /* Disable upper layer interface */
1203 netif_stop_queue(dev);
1205 /* Free Rx Allocate buffer */
1206 dmfe_free_rxbuffer(db);
1208 /* system variable init */
1209 db->tx_packet_cnt = 0;
1210 db->tx_queue_cnt = 0;
1211 db->rx_avail_cnt = 0;
1212 db->link_failed = 1;
1215 /* Re-initilize DM910X board */
1216 dmfe_init_dm910x(dev);
1218 /* Restart upper layer interface */
1219 netif_wake_queue(dev);
1224 * free all allocated rx buffer
1227 static void dmfe_free_rxbuffer(struct dmfe_board_info * db)
1229 DMFE_DBUG(0, "dmfe_free_rxbuffer()", 0);
1231 /* free allocated rx buffer */
1232 while (db->rx_avail_cnt) {
1233 dev_kfree_skb(db->rx_ready_ptr->rx_skb_ptr);
1234 db->rx_ready_ptr = db->rx_ready_ptr->next_rx_desc;
1241 * Reuse the SK buffer
1244 static void dmfe_reuse_skb(struct dmfe_board_info *db, struct sk_buff * skb)
1246 struct rx_desc *rxptr = db->rx_insert_ptr;
1248 if (!(rxptr->rdes0 & cpu_to_le32(0x80000000))) {
1249 rxptr->rx_skb_ptr = skb;
1250 rxptr->rdes2 = cpu_to_le32( pci_map_single(db->pdev, skb->tail, RX_ALLOC_SIZE, PCI_DMA_FROMDEVICE) );
1252 rxptr->rdes0 = cpu_to_le32(0x80000000);
1254 db->rx_insert_ptr = rxptr->next_rx_desc;
1256 DMFE_DBUG(0, "SK Buffer reuse method error", db->rx_avail_cnt);
1261 * Initialize transmit/Receive descriptor
1262 * Using Chain structure, and allocate Tx/Rx buffer
1265 static void dmfe_descriptor_init(struct dmfe_board_info *db, unsigned long ioaddr)
1267 struct tx_desc *tmp_tx;
1268 struct rx_desc *tmp_rx;
1269 unsigned char *tmp_buf;
1270 dma_addr_t tmp_tx_dma, tmp_rx_dma;
1271 dma_addr_t tmp_buf_dma;
1274 DMFE_DBUG(0, "dmfe_descriptor_init()", 0);
1276 /* tx descriptor start pointer */
1277 db->tx_insert_ptr = db->first_tx_desc;
1278 db->tx_remove_ptr = db->first_tx_desc;
1279 outl(db->first_tx_desc_dma, ioaddr + DCR4); /* TX DESC address */
1281 /* rx descriptor start pointer */
1282 db->first_rx_desc = (void *)db->first_tx_desc + sizeof(struct tx_desc) * TX_DESC_CNT;
1283 db->first_rx_desc_dma = db->first_tx_desc_dma + sizeof(struct tx_desc) * TX_DESC_CNT;
1284 db->rx_insert_ptr = db->first_rx_desc;
1285 db->rx_ready_ptr = db->first_rx_desc;
1286 outl(db->first_rx_desc_dma, ioaddr + DCR3); /* RX DESC address */
1288 /* Init Transmit chain */
1289 tmp_buf = db->buf_pool_start;
1290 tmp_buf_dma = db->buf_pool_dma_start;
1291 tmp_tx_dma = db->first_tx_desc_dma;
1292 for (tmp_tx = db->first_tx_desc, i = 0; i < TX_DESC_CNT; i++, tmp_tx++) {
1293 tmp_tx->tx_buf_ptr = tmp_buf;
1294 tmp_tx->tdes0 = cpu_to_le32(0);
1295 tmp_tx->tdes1 = cpu_to_le32(0x81000000); /* IC, chain */
1296 tmp_tx->tdes2 = cpu_to_le32(tmp_buf_dma);
1297 tmp_tx_dma += sizeof(struct tx_desc);
1298 tmp_tx->tdes3 = cpu_to_le32(tmp_tx_dma);
1299 tmp_tx->next_tx_desc = tmp_tx + 1;
1300 tmp_buf = tmp_buf + TX_BUF_ALLOC;
1301 tmp_buf_dma = tmp_buf_dma + TX_BUF_ALLOC;
1303 (--tmp_tx)->tdes3 = cpu_to_le32(db->first_tx_desc_dma);
1304 tmp_tx->next_tx_desc = db->first_tx_desc;
1306 /* Init Receive descriptor chain */
1307 tmp_rx_dma=db->first_rx_desc_dma;
1308 for (tmp_rx = db->first_rx_desc, i = 0; i < RX_DESC_CNT; i++, tmp_rx++) {
1309 tmp_rx->rdes0 = cpu_to_le32(0);
1310 tmp_rx->rdes1 = cpu_to_le32(0x01000600);
1311 tmp_rx_dma += sizeof(struct rx_desc);
1312 tmp_rx->rdes3 = cpu_to_le32(tmp_rx_dma);
1313 tmp_rx->next_rx_desc = tmp_rx + 1;
1315 (--tmp_rx)->rdes3 = cpu_to_le32(db->first_rx_desc_dma);
1316 tmp_rx->next_rx_desc = db->first_rx_desc;
1318 /* pre-allocate Rx buffer */
1319 allocate_rx_buffer(db);
1325 * Firstly stop DM910X , then written value and start
1328 static void update_cr6(u32 cr6_data, unsigned long ioaddr)
1332 cr6_tmp = cr6_data & ~0x2002; /* stop Tx/Rx */
1333 outl(cr6_tmp, ioaddr + DCR6);
1335 outl(cr6_data, ioaddr + DCR6);
1341 * Send a setup frame for DM9132
1342 * This setup frame initilize DM910X addres filter mode
1345 static void dm9132_id_table(struct DEVICE *dev, int mc_cnt)
1347 struct dev_mc_list *mcptr;
1349 unsigned long ioaddr = dev->base_addr+0xc0; /* ID Table */
1351 u16 i, hash_table[4];
1353 DMFE_DBUG(0, "dm9132_id_table()", 0);
1356 addrptr = (u16 *) dev->dev_addr;
1357 outw(addrptr[0], ioaddr);
1359 outw(addrptr[1], ioaddr);
1361 outw(addrptr[2], ioaddr);
1364 /* Clear Hash Table */
1365 for (i = 0; i < 4; i++)
1366 hash_table[i] = 0x0;
1368 /* broadcast address */
1369 hash_table[3] = 0x8000;
1371 /* the multicast address in Hash Table : 64 bits */
1372 for (mcptr = dev->mc_list, i = 0; i < mc_cnt; i++, mcptr = mcptr->next) {
1373 hash_val = cal_CRC( (char *) mcptr->dmi_addr, 6, 0) & 0x3f;
1374 hash_table[hash_val / 16] |= (u16) 1 << (hash_val % 16);
1377 /* Write the hash table to MAC MD table */
1378 for (i = 0; i < 4; i++, ioaddr += 4)
1379 outw(hash_table[i], ioaddr);
1384 * Send a setup frame for DM9102/DM9102A
1385 * This setup frame initilize DM910X addres filter mode
1388 static void send_filter_frame(struct DEVICE *dev, int mc_cnt)
1390 struct dmfe_board_info *db = dev->priv;
1391 struct dev_mc_list *mcptr;
1392 struct tx_desc *txptr;
1397 DMFE_DBUG(0, "send_filter_frame()", 0);
1399 txptr = db->tx_insert_ptr;
1400 suptr = (u32 *) txptr->tx_buf_ptr;
1403 addrptr = (u16 *) dev->dev_addr;
1404 *suptr++ = addrptr[0];
1405 *suptr++ = addrptr[1];
1406 *suptr++ = addrptr[2];
1408 /* broadcast address */
1413 /* fit the multicast address */
1414 for (mcptr = dev->mc_list, i = 0; i < mc_cnt; i++, mcptr = mcptr->next) {
1415 addrptr = (u16 *) mcptr->dmi_addr;
1416 *suptr++ = addrptr[0];
1417 *suptr++ = addrptr[1];
1418 *suptr++ = addrptr[2];
1427 /* prepare the setup frame */
1428 db->tx_insert_ptr = txptr->next_tx_desc;
1429 txptr->tdes1 = cpu_to_le32(0x890000c0);
1431 /* Resource Check and Send the setup packet */
1432 if (!db->tx_packet_cnt) {
1433 /* Resource Empty */
1434 db->tx_packet_cnt++;
1435 txptr->tdes0 = cpu_to_le32(0x80000000);
1436 update_cr6(db->cr6_data | 0x2000, dev->base_addr);
1437 outl(0x1, dev->base_addr + DCR1); /* Issue Tx polling */
1438 update_cr6(db->cr6_data, dev->base_addr);
1439 dev->trans_start = jiffies;
1441 db->tx_queue_cnt++; /* Put in TX queue */
1446 * Allocate rx buffer,
1447 * As possible as allocate maxiumn Rx buffer
1450 static void allocate_rx_buffer(struct dmfe_board_info *db)
1452 struct rx_desc *rxptr;
1453 struct sk_buff *skb;
1455 rxptr = db->rx_insert_ptr;
1457 while(db->rx_avail_cnt < RX_DESC_CNT) {
1458 if ( ( skb = dev_alloc_skb(RX_ALLOC_SIZE) ) == NULL )
1460 rxptr->rx_skb_ptr = skb; /* FIXME (?) */
1461 rxptr->rdes2 = cpu_to_le32( pci_map_single(db->pdev, skb->tail, RX_ALLOC_SIZE, PCI_DMA_FROMDEVICE) );
1463 rxptr->rdes0 = cpu_to_le32(0x80000000);
1464 rxptr = rxptr->next_rx_desc;
1468 db->rx_insert_ptr = rxptr;
1473 * Read one word data from the serial ROM
1476 static u16 read_srom_word(long ioaddr, int offset)
1480 long cr9_ioaddr = ioaddr + DCR9;
1482 outl(CR9_SROM_READ, cr9_ioaddr);
1483 outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr);
1485 /* Send the Read Command 110b */
1486 SROM_CLK_WRITE(SROM_DATA_1, cr9_ioaddr);
1487 SROM_CLK_WRITE(SROM_DATA_1, cr9_ioaddr);
1488 SROM_CLK_WRITE(SROM_DATA_0, cr9_ioaddr);
1490 /* Send the offset */
1491 for (i = 5; i >= 0; i--) {
1492 srom_data = (offset & (1 << i)) ? SROM_DATA_1 : SROM_DATA_0;
1493 SROM_CLK_WRITE(srom_data, cr9_ioaddr);
1496 outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr);
1498 for (i = 16; i > 0; i--) {
1499 outl(CR9_SROM_READ | CR9_SRCS | CR9_SRCLK, cr9_ioaddr);
1501 srom_data = (srom_data << 1) | ((inl(cr9_ioaddr) & CR9_CRDOUT) ? 1 : 0);
1502 outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr);
1506 outl(CR9_SROM_READ, cr9_ioaddr);
1512 * Auto sense the media mode
1515 static u8 dmfe_sense_speed(struct dmfe_board_info * db)
1520 /* CR6 bit18=0, select 10/100M */
1521 update_cr6( (db->cr6_data & ~0x40000), db->ioaddr);
1523 phy_mode = phy_read(db->ioaddr, db->phy_addr, 1, db->chip_id);
1524 phy_mode = phy_read(db->ioaddr, db->phy_addr, 1, db->chip_id);
1526 if ( (phy_mode & 0x24) == 0x24 ) {
1527 if (db->chip_id == PCI_DM9132_ID) /* DM9132 */
1528 phy_mode = phy_read(db->ioaddr, db->phy_addr, 7, db->chip_id) & 0xf000;
1529 else /* DM9102/DM9102A */
1530 phy_mode = phy_read(db->ioaddr, db->phy_addr, 17, db->chip_id) & 0xf000;
1531 /* printk(DRV_NAME ": Phy_mode %x ",phy_mode); */
1533 case 0x1000: db->op_mode = DMFE_10MHF; break;
1534 case 0x2000: db->op_mode = DMFE_10MFD; break;
1535 case 0x4000: db->op_mode = DMFE_100MHF; break;
1536 case 0x8000: db->op_mode = DMFE_100MFD; break;
1537 default: db->op_mode = DMFE_10MHF;
1542 db->op_mode = DMFE_10MHF;
1543 DMFE_DBUG(0, "Link Failed :", phy_mode);
1552 * Set 10/100 phyxcer capability
1553 * AUTO mode : phyxcer register4 is NIC capability
1554 * Force mode: phyxcer register4 is the force media
1557 static void dmfe_set_phyxcer(struct dmfe_board_info *db)
1561 /* Select 10/100M phyxcer */
1562 db->cr6_data &= ~0x40000;
1563 update_cr6(db->cr6_data, db->ioaddr);
1565 /* DM9009 Chip: Phyxcer reg18 bit12=0 */
1566 if (db->chip_id == PCI_DM9009_ID) {
1567 phy_reg = phy_read(db->ioaddr, db->phy_addr, 18, db->chip_id) & ~0x1000;
1568 phy_write(db->ioaddr, db->phy_addr, 18, phy_reg, db->chip_id);
1571 /* Phyxcer capability setting */
1572 phy_reg = phy_read(db->ioaddr, db->phy_addr, 4, db->chip_id) & ~0x01e0;
1574 if (db->media_mode & DMFE_AUTO) {
1576 phy_reg |= db->PHY_reg4;
1579 switch(db->media_mode) {
1580 case DMFE_10MHF: phy_reg |= 0x20; break;
1581 case DMFE_10MFD: phy_reg |= 0x40; break;
1582 case DMFE_100MHF: phy_reg |= 0x80; break;
1583 case DMFE_100MFD: phy_reg |= 0x100; break;
1585 if (db->chip_id == PCI_DM9009_ID) phy_reg &= 0x61;
1588 /* Write new capability to Phyxcer Reg4 */
1589 if ( !(phy_reg & 0x01e0)) {
1590 phy_reg|=db->PHY_reg4;
1591 db->media_mode|=DMFE_AUTO;
1593 phy_write(db->ioaddr, db->phy_addr, 4, phy_reg, db->chip_id);
1595 /* Restart Auto-Negotiation */
1596 if ( db->chip_type && (db->chip_id == PCI_DM9102_ID) )
1597 phy_write(db->ioaddr, db->phy_addr, 0, 0x1800, db->chip_id);
1598 if ( !db->chip_type )
1599 phy_write(db->ioaddr, db->phy_addr, 0, 0x1200, db->chip_id);
1605 * AUTO mode : PHY controller in Auto-negotiation Mode
1606 * Force mode: PHY controller in force mode with HUB
1607 * N-way force capability with SWITCH
1610 static void dmfe_process_mode(struct dmfe_board_info *db)
1614 /* Full Duplex Mode Check */
1615 if (db->op_mode & 0x4)
1616 db->cr6_data |= CR6_FDM; /* Set Full Duplex Bit */
1618 db->cr6_data &= ~CR6_FDM; /* Clear Full Duplex Bit */
1620 /* Transciver Selection */
1621 if (db->op_mode & 0x10) /* 1M HomePNA */
1622 db->cr6_data |= 0x40000;/* External MII select */
1624 db->cr6_data &= ~0x40000;/* Internal 10/100 transciver */
1626 update_cr6(db->cr6_data, db->ioaddr);
1628 /* 10/100M phyxcer force mode need */
1629 if ( !(db->media_mode & 0x18)) {
1631 phy_reg = phy_read(db->ioaddr, db->phy_addr, 6, db->chip_id);
1632 if ( !(phy_reg & 0x1) ) {
1633 /* parter without N-Way capability */
1635 switch(db->op_mode) {
1636 case DMFE_10MHF: phy_reg = 0x0; break;
1637 case DMFE_10MFD: phy_reg = 0x100; break;
1638 case DMFE_100MHF: phy_reg = 0x2000; break;
1639 case DMFE_100MFD: phy_reg = 0x2100; break;
1641 phy_write(db->ioaddr, db->phy_addr, 0, phy_reg, db->chip_id);
1642 if ( db->chip_type && (db->chip_id == PCI_DM9102_ID) )
1644 phy_write(db->ioaddr, db->phy_addr, 0, phy_reg, db->chip_id);
1651 * Write a word to Phy register
1654 static void phy_write(unsigned long iobase, u8 phy_addr, u8 offset, u16 phy_data, u32 chip_id)
1657 unsigned long ioaddr;
1659 if (chip_id == PCI_DM9132_ID) {
1660 ioaddr = iobase + 0x80 + offset * 4;
1661 outw(phy_data, ioaddr);
1663 /* DM9102/DM9102A Chip */
1664 ioaddr = iobase + DCR9;
1666 /* Send 33 synchronization clock to Phy controller */
1667 for (i = 0; i < 35; i++)
1668 phy_write_1bit(ioaddr, PHY_DATA_1);
1670 /* Send start command(01) to Phy */
1671 phy_write_1bit(ioaddr, PHY_DATA_0);
1672 phy_write_1bit(ioaddr, PHY_DATA_1);
1674 /* Send write command(01) to Phy */
1675 phy_write_1bit(ioaddr, PHY_DATA_0);
1676 phy_write_1bit(ioaddr, PHY_DATA_1);
1678 /* Send Phy addres */
1679 for (i = 0x10; i > 0; i = i >> 1)
1680 phy_write_1bit(ioaddr, phy_addr & i ? PHY_DATA_1 : PHY_DATA_0);
1682 /* Send register addres */
1683 for (i = 0x10; i > 0; i = i >> 1)
1684 phy_write_1bit(ioaddr, offset & i ? PHY_DATA_1 : PHY_DATA_0);
1686 /* written trasnition */
1687 phy_write_1bit(ioaddr, PHY_DATA_1);
1688 phy_write_1bit(ioaddr, PHY_DATA_0);
1690 /* Write a word data to PHY controller */
1691 for ( i = 0x8000; i > 0; i >>= 1)
1692 phy_write_1bit(ioaddr, phy_data & i ? PHY_DATA_1 : PHY_DATA_0);
1698 * Read a word data from phy register
1701 static u16 phy_read(unsigned long iobase, u8 phy_addr, u8 offset, u32 chip_id)
1705 unsigned long ioaddr;
1707 if (chip_id == PCI_DM9132_ID) {
1709 ioaddr = iobase + 0x80 + offset * 4;
1710 phy_data = inw(ioaddr);
1712 /* DM9102/DM9102A Chip */
1713 ioaddr = iobase + DCR9;
1715 /* Send 33 synchronization clock to Phy controller */
1716 for (i = 0; i < 35; i++)
1717 phy_write_1bit(ioaddr, PHY_DATA_1);
1719 /* Send start command(01) to Phy */
1720 phy_write_1bit(ioaddr, PHY_DATA_0);
1721 phy_write_1bit(ioaddr, PHY_DATA_1);
1723 /* Send read command(10) to Phy */
1724 phy_write_1bit(ioaddr, PHY_DATA_1);
1725 phy_write_1bit(ioaddr, PHY_DATA_0);
1727 /* Send Phy addres */
1728 for (i = 0x10; i > 0; i = i >> 1)
1729 phy_write_1bit(ioaddr, phy_addr & i ? PHY_DATA_1 : PHY_DATA_0);
1731 /* Send register addres */
1732 for (i = 0x10; i > 0; i = i >> 1)
1733 phy_write_1bit(ioaddr, offset & i ? PHY_DATA_1 : PHY_DATA_0);
1735 /* Skip transition state */
1736 phy_read_1bit(ioaddr);
1738 /* read 16bit data */
1739 for (phy_data = 0, i = 0; i < 16; i++) {
1741 phy_data |= phy_read_1bit(ioaddr);
1750 * Write one bit data to Phy Controller
1753 static void phy_write_1bit(unsigned long ioaddr, u32 phy_data)
1755 outl(phy_data, ioaddr); /* MII Clock Low */
1757 outl(phy_data | MDCLKH, ioaddr); /* MII Clock High */
1759 outl(phy_data, ioaddr); /* MII Clock Low */
1765 * Read one bit phy data from PHY controller
1768 static u16 phy_read_1bit(unsigned long ioaddr)
1772 outl(0x50000, ioaddr);
1774 phy_data = ( inl(ioaddr) >> 19 ) & 0x1;
1775 outl(0x40000, ioaddr);
1783 * Calculate the CRC valude of the Rx packet
1784 * flag = 1 : return the reverse CRC (for the received packet CRC)
1785 * 0 : return the normal CRC (for Hash Table index)
1788 static inline u32 cal_CRC(unsigned char * Data, unsigned int Len, u8 flag)
1790 u32 crc = ether_crc_le(Len, Data);
1791 if (flag) crc = ~crc;
1797 * Parser SROM and media mode
1800 static void dmfe_parse_srom(struct dmfe_board_info * db)
1802 char * srom = db->srom;
1803 int dmfe_mode, tmp_reg;
1805 DMFE_DBUG(0, "dmfe_parse_srom() ", 0);
1808 db->cr15_data = CR15_DEFAULT;
1810 /* Check SROM Version */
1811 if ( ( (int) srom[18] & 0xff) == SROM_V41_CODE) {
1813 /* Get NIC support media mode */
1814 db->NIC_capability = le16_to_cpup(srom + 34);
1816 for (tmp_reg = 1; tmp_reg < 0x10; tmp_reg <<= 1) {
1817 switch( db->NIC_capability & tmp_reg ) {
1818 case 0x1: db->PHY_reg4 |= 0x0020; break;
1819 case 0x2: db->PHY_reg4 |= 0x0040; break;
1820 case 0x4: db->PHY_reg4 |= 0x0080; break;
1821 case 0x8: db->PHY_reg4 |= 0x0100; break;
1825 /* Media Mode Force or not check */
1826 dmfe_mode = le32_to_cpup(srom + 34) & le32_to_cpup(srom + 36);
1828 case 0x4: dmfe_media_mode = DMFE_100MHF; break; /* 100MHF */
1829 case 0x2: dmfe_media_mode = DMFE_10MFD; break; /* 10MFD */
1830 case 0x8: dmfe_media_mode = DMFE_100MFD; break; /* 100MFD */
1832 case 0x200: dmfe_media_mode = DMFE_1M_HPNA; break;/* HomePNA */
1835 /* Special Function setting */
1837 if ( (SF_mode & 0x1) || (srom[43] & 0x80) )
1838 db->cr15_data |= 0x40;
1841 if ( (SF_mode & 0x2) || (srom[40] & 0x1) )
1842 db->cr15_data |= 0x400;
1844 /* TX pause packet */
1845 if ( (SF_mode & 0x4) || (srom[40] & 0xe) )
1846 db->cr15_data |= 0x9800;
1849 /* Parse HPNA parameter */
1850 db->HPNA_command = 1;
1852 /* Accept remote command or not */
1853 if (HPNA_rx_cmd == 0)
1854 db->HPNA_command |= 0x8000;
1856 /* Issue remote command & operation mode */
1857 if (HPNA_tx_cmd == 1)
1858 switch(HPNA_mode) { /* Issue Remote Command */
1859 case 0: db->HPNA_command |= 0x0904; break;
1860 case 1: db->HPNA_command |= 0x0a00; break;
1861 case 2: db->HPNA_command |= 0x0506; break;
1862 case 3: db->HPNA_command |= 0x0602; break;
1865 switch(HPNA_mode) { /* Don't Issue */
1866 case 0: db->HPNA_command |= 0x0004; break;
1867 case 1: db->HPNA_command |= 0x0000; break;
1868 case 2: db->HPNA_command |= 0x0006; break;
1869 case 3: db->HPNA_command |= 0x0002; break;
1872 /* Check DM9801 or DM9802 present or not */
1873 db->HPNA_present = 0;
1874 update_cr6(db->cr6_data|0x40000, db->ioaddr);
1875 tmp_reg = phy_read(db->ioaddr, db->phy_addr, 3, db->chip_id);
1876 if ( ( tmp_reg & 0xfff0 ) == 0xb900 ) {
1877 /* DM9801 or DM9802 present */
1879 if ( phy_read(db->ioaddr, db->phy_addr, 31, db->chip_id) == 0x4404) {
1880 /* DM9801 HomeRun */
1881 db->HPNA_present = 1;
1882 dmfe_program_DM9801(db, tmp_reg);
1884 /* DM9802 LongRun */
1885 db->HPNA_present = 2;
1886 dmfe_program_DM9802(db);
1894 * Init HomeRun DM9801
1897 static void dmfe_program_DM9801(struct dmfe_board_info * db, int HPNA_rev)
1901 if ( !HPNA_NoiseFloor ) HPNA_NoiseFloor = DM9801_NOISE_FLOOR;
1903 case 0xb900: /* DM9801 E3 */
1904 db->HPNA_command |= 0x1000;
1905 reg25 = phy_read(db->ioaddr, db->phy_addr, 24, db->chip_id);
1906 reg25 = ( (reg25 + HPNA_NoiseFloor) & 0xff) | 0xf000;
1907 reg17 = phy_read(db->ioaddr, db->phy_addr, 17, db->chip_id);
1909 case 0xb901: /* DM9801 E4 */
1910 reg25 = phy_read(db->ioaddr, db->phy_addr, 25, db->chip_id);
1911 reg25 = (reg25 & 0xff00) + HPNA_NoiseFloor;
1912 reg17 = phy_read(db->ioaddr, db->phy_addr, 17, db->chip_id);
1913 reg17 = (reg17 & 0xfff0) + HPNA_NoiseFloor + 3;
1915 case 0xb902: /* DM9801 E5 */
1916 case 0xb903: /* DM9801 E6 */
1918 db->HPNA_command |= 0x1000;
1919 reg25 = phy_read(db->ioaddr, db->phy_addr, 25, db->chip_id);
1920 reg25 = (reg25 & 0xff00) + HPNA_NoiseFloor - 5;
1921 reg17 = phy_read(db->ioaddr, db->phy_addr, 17, db->chip_id);
1922 reg17 = (reg17 & 0xfff0) + HPNA_NoiseFloor;
1925 phy_write(db->ioaddr, db->phy_addr, 16, db->HPNA_command, db->chip_id);
1926 phy_write(db->ioaddr, db->phy_addr, 17, reg17, db->chip_id);
1927 phy_write(db->ioaddr, db->phy_addr, 25, reg25, db->chip_id);
1932 * Init HomeRun DM9802
1935 static void dmfe_program_DM9802(struct dmfe_board_info * db)
1939 if ( !HPNA_NoiseFloor ) HPNA_NoiseFloor = DM9802_NOISE_FLOOR;
1940 phy_write(db->ioaddr, db->phy_addr, 16, db->HPNA_command, db->chip_id);
1941 phy_reg = phy_read(db->ioaddr, db->phy_addr, 25, db->chip_id);
1942 phy_reg = ( phy_reg & 0xff00) + HPNA_NoiseFloor;
1943 phy_write(db->ioaddr, db->phy_addr, 25, phy_reg, db->chip_id);
1948 * Check remote HPNA power and speed status. If not correct,
1949 * issue command again.
1952 static void dmfe_HPNA_remote_cmd_chk(struct dmfe_board_info * db)
1956 /* Got remote device status */
1957 phy_reg = phy_read(db->ioaddr, db->phy_addr, 17, db->chip_id) & 0x60;
1959 case 0x00: phy_reg = 0x0a00;break; /* LP/LS */
1960 case 0x20: phy_reg = 0x0900;break; /* LP/HS */
1961 case 0x40: phy_reg = 0x0600;break; /* HP/LS */
1962 case 0x60: phy_reg = 0x0500;break; /* HP/HS */
1965 /* Check remote device status match our setting ot not */
1966 if ( phy_reg != (db->HPNA_command & 0x0f00) ) {
1967 phy_write(db->ioaddr, db->phy_addr, 16, db->HPNA_command, db->chip_id);
1970 db->HPNA_timer=600; /* Match, every 10 minutes, check */
1975 static struct pci_device_id dmfe_pci_tbl[] __devinitdata = {
1976 { 0x1282, 0x9132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_DM9132_ID },
1977 { 0x1282, 0x9102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_DM9102_ID },
1978 { 0x1282, 0x9100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_DM9100_ID },
1979 { 0x1282, 0x9009, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_DM9009_ID },
1982 MODULE_DEVICE_TABLE(pci, dmfe_pci_tbl);
1985 static struct pci_driver dmfe_driver = {
1987 id_table: dmfe_pci_tbl,
1988 probe: dmfe_init_one,
1989 remove: __devexit_p(dmfe_remove_one),
1992 MODULE_AUTHOR("Sten Wang, sten_wang@davicom.com.tw");
1993 MODULE_DESCRIPTION("Davicom DM910X fast ethernet driver");
1994 MODULE_LICENSE("GPL");
1996 MODULE_PARM(debug, "i");
1997 MODULE_PARM(mode, "i");
1998 MODULE_PARM(cr6set, "i");
1999 MODULE_PARM(chkmode, "i");
2000 MODULE_PARM(HPNA_mode, "i");
2001 MODULE_PARM(HPNA_rx_cmd, "i");
2002 MODULE_PARM(HPNA_tx_cmd, "i");
2003 MODULE_PARM(HPNA_NoiseFloor, "i");
2004 MODULE_PARM(SF_mode, "i");
2005 MODULE_PARM_DESC(debug, "Davicom DM9xxx enable debugging (0-1)");
2006 MODULE_PARM_DESC(mode, "Davicom DM9xxx: Bit 0: 10/100Mbps, bit 2: duplex, bit 8: HomePNA");
2007 MODULE_PARM_DESC(SF_mode, "Davicom DM9xxx special function (bit 0: VLAN, bit 1 Flow Control, bit 2: TX pause packet)");
2010 * when user used insmod to add module, system invoked init_module()
2011 * to initilize and register.
2014 static int __init dmfe_init_module(void)
2019 printed_version = 1;
2021 DMFE_DBUG(0, "init_module() ", debug);
2024 dmfe_debug = debug; /* set debug flag */
2026 dmfe_cr6_user_set = cr6set;
2034 dmfe_media_mode = mode;
2036 default:dmfe_media_mode = DMFE_AUTO;
2041 HPNA_mode = 0; /* Default: LP/HS */
2042 if (HPNA_rx_cmd > 1)
2043 HPNA_rx_cmd = 0; /* Default: Ignored remote cmd */
2044 if (HPNA_tx_cmd > 1)
2045 HPNA_tx_cmd = 0; /* Default: Don't issue remote cmd */
2046 if (HPNA_NoiseFloor > 15)
2047 HPNA_NoiseFloor = 0;
2049 rc = pci_module_init(&dmfe_driver);
2059 * when user used rmmod to delete module, system invoked clean_module()
2060 * to un-register all registered services.
2063 static void __exit dmfe_cleanup_module(void)
2065 DMFE_DBUG(0, "dmfe_clean_module() ", debug);
2066 pci_unregister_driver(&dmfe_driver);
2069 module_init(dmfe_init_module);
2070 module_exit(dmfe_cleanup_module);