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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | A Davicom DM9102/DM9102A/DM9102A+DM9801/DM9102A+DM9802 NIC fast | |
3 | ethernet driver for Linux. | |
4 | Copyright (C) 1997 Sten Wang | |
5 | ||
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. | |
10 | ||
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. | |
15 | ||
16 | DAVICOM Web-Site: www.davicom.com.tw | |
17 | ||
18 | Author: Sten Wang, 886-3-5798797-8517, E-mail: sten_wang@davicom.com.tw | |
19 | Maintainer: Tobias Ringstrom <tori@unhappy.mine.nu> | |
20 | ||
21 | (C)Copyright 1997-1998 DAVICOM Semiconductor,Inc. All Rights Reserved. | |
22 | ||
23 | Marcelo Tosatti <marcelo@conectiva.com.br> : | |
24 | Made it compile in 2.3 (device to net_device) | |
25 | ||
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 | |
31 | ||
32 | Jeff Garzik <jgarzik@pobox.com> : | |
33 | Updated to use new PCI driver API. | |
34 | Resource usage cleanups. | |
35 | Report driver version to user. | |
36 | ||
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. | |
40 | ||
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. | |
46 | ||
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. | |
51 | ||
52 | Alan Cox <alan@redhat.com> | |
f3b197ac | 53 | Added new PCI identifiers provided by Clear Zhang at ALi |
1da177e4 LT |
54 | for their 1563 ethernet device. |
55 | ||
56 | TODO | |
57 | ||
58 | Implement pci_driver::suspend() and pci_driver::resume() | |
59 | power management methods. | |
60 | ||
61 | Check on 64 bit boxes. | |
62 | Check and fix on big endian boxes. | |
63 | ||
64 | Test and make sure PCI latency is now correct for all cases. | |
65 | */ | |
66 | ||
67 | #define DRV_NAME "dmfe" | |
68 | #define DRV_VERSION "1.36.4" | |
69 | #define DRV_RELDATE "2002-01-17" | |
70 | ||
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> | |
cb199d42 | 81 | #include <linux/dma-mapping.h> |
1da177e4 LT |
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> | |
91 | ||
92 | #include <asm/processor.h> | |
93 | #include <asm/io.h> | |
94 | #include <asm/dma.h> | |
95 | #include <asm/uaccess.h> | |
96 | #include <asm/irq.h> | |
97 | ||
98 | ||
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 */ | |
104 | ||
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 | |
127 | ||
128 | #define DMFE_10MHF 0 | |
129 | #define DMFE_100MHF 1 | |
130 | #define DMFE_10MFD 4 | |
131 | #define DMFE_100MFD 5 | |
132 | #define DMFE_AUTO 8 | |
133 | #define DMFE_1M_HPNA 0x10 | |
134 | ||
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 */ | |
141 | ||
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" */ | |
145 | ||
f67ba792 ML |
146 | #define DMFE_DBUG(dbug_now, msg, value) \ |
147 | do { \ | |
148 | if (dmfe_debug || (dbug_now)) \ | |
149 | printk(KERN_ERR DRV_NAME ": %s %lx\n",\ | |
150 | (msg), (long) (value)); \ | |
151 | } while (0) | |
1da177e4 | 152 | |
f67ba792 ML |
153 | #define SHOW_MEDIA_TYPE(mode) \ |
154 | printk (KERN_INFO DRV_NAME ": Change Speed to %sMhz %s duplex\n" , \ | |
155 | (mode & 1) ? "100":"10", (mode & 4) ? "full":"half"); | |
1da177e4 LT |
156 | |
157 | ||
158 | /* CR9 definition: SROM/MII */ | |
159 | #define CR9_SROM_READ 0x4800 | |
160 | #define CR9_SRCS 0x1 | |
161 | #define CR9_SRCLK 0x2 | |
162 | #define CR9_CRDOUT 0x8 | |
163 | #define SROM_DATA_0 0x0 | |
164 | #define SROM_DATA_1 0x4 | |
165 | #define PHY_DATA_1 0x20000 | |
166 | #define PHY_DATA_0 0x00000 | |
167 | #define MDCLKH 0x10000 | |
168 | ||
169 | #define PHY_POWER_DOWN 0x800 | |
170 | ||
171 | #define SROM_V41_CODE 0x14 | |
172 | ||
f67ba792 ML |
173 | #define SROM_CLK_WRITE(data, ioaddr) \ |
174 | outl(data|CR9_SROM_READ|CR9_SRCS,ioaddr); \ | |
175 | udelay(5); \ | |
176 | outl(data|CR9_SROM_READ|CR9_SRCS|CR9_SRCLK,ioaddr); \ | |
177 | udelay(5); \ | |
178 | outl(data|CR9_SROM_READ|CR9_SRCS,ioaddr); \ | |
179 | udelay(5); | |
180 | ||
181 | #define __CHK_IO_SIZE(pci_id, dev_rev) \ | |
182 | (( ((pci_id)==PCI_DM9132_ID) || ((dev_rev) >= 0x02000030) ) ? \ | |
183 | DM9102A_IO_SIZE: DM9102_IO_SIZE) | |
1da177e4 | 184 | |
f67ba792 ML |
185 | #define CHK_IO_SIZE(pci_dev, dev_rev) \ |
186 | (__CHK_IO_SIZE(((pci_dev)->device << 16) | (pci_dev)->vendor, dev_rev)) | |
1da177e4 LT |
187 | |
188 | /* Sten Check */ | |
189 | #define DEVICE net_device | |
190 | ||
191 | /* Structure/enum declaration ------------------------------- */ | |
192 | struct tx_desc { | |
193 | u32 tdes0, tdes1, tdes2, tdes3; /* Data for the card */ | |
194 | char *tx_buf_ptr; /* Data for us */ | |
195 | struct tx_desc *next_tx_desc; | |
196 | } __attribute__(( aligned(32) )); | |
197 | ||
198 | struct rx_desc { | |
199 | u32 rdes0, rdes1, rdes2, rdes3; /* Data for the card */ | |
200 | struct sk_buff *rx_skb_ptr; /* Data for us */ | |
201 | struct rx_desc *next_rx_desc; | |
202 | } __attribute__(( aligned(32) )); | |
203 | ||
204 | struct dmfe_board_info { | |
205 | u32 chip_id; /* Chip vendor/Device ID */ | |
206 | u32 chip_revision; /* Chip revision */ | |
ead9bffb | 207 | struct DEVICE *next_dev; /* next device */ |
1da177e4 LT |
208 | struct pci_dev *pdev; /* PCI device */ |
209 | spinlock_t lock; | |
210 | ||
211 | long ioaddr; /* I/O base address */ | |
212 | u32 cr0_data; | |
213 | u32 cr5_data; | |
214 | u32 cr6_data; | |
215 | u32 cr7_data; | |
216 | u32 cr15_data; | |
217 | ||
218 | /* pointer for memory physical address */ | |
219 | dma_addr_t buf_pool_dma_ptr; /* Tx buffer pool memory */ | |
220 | dma_addr_t buf_pool_dma_start; /* Tx buffer pool align dword */ | |
221 | dma_addr_t desc_pool_dma_ptr; /* descriptor pool memory */ | |
222 | dma_addr_t first_tx_desc_dma; | |
223 | dma_addr_t first_rx_desc_dma; | |
224 | ||
225 | /* descriptor pointer */ | |
226 | unsigned char *buf_pool_ptr; /* Tx buffer pool memory */ | |
227 | unsigned char *buf_pool_start; /* Tx buffer pool align dword */ | |
228 | unsigned char *desc_pool_ptr; /* descriptor pool memory */ | |
229 | struct tx_desc *first_tx_desc; | |
230 | struct tx_desc *tx_insert_ptr; | |
231 | struct tx_desc *tx_remove_ptr; | |
232 | struct rx_desc *first_rx_desc; | |
233 | struct rx_desc *rx_insert_ptr; | |
234 | struct rx_desc *rx_ready_ptr; /* packet come pointer */ | |
235 | unsigned long tx_packet_cnt; /* transmitted packet count */ | |
236 | unsigned long tx_queue_cnt; /* wait to send packet count */ | |
237 | unsigned long rx_avail_cnt; /* available rx descriptor count */ | |
238 | unsigned long interval_rx_cnt; /* rx packet count a callback time */ | |
239 | ||
240 | u16 HPNA_command; /* For HPNA register 16 */ | |
241 | u16 HPNA_timer; /* For HPNA remote device check */ | |
242 | u16 dbug_cnt; | |
243 | u16 NIC_capability; /* NIC media capability */ | |
244 | u16 PHY_reg4; /* Saved Phyxcer register 4 value */ | |
245 | ||
246 | u8 HPNA_present; /* 0:none, 1:DM9801, 2:DM9802 */ | |
247 | u8 chip_type; /* Keep DM9102A chip type */ | |
248 | u8 media_mode; /* user specify media mode */ | |
249 | u8 op_mode; /* real work media mode */ | |
250 | u8 phy_addr; | |
251 | u8 link_failed; /* Ever link failed */ | |
252 | u8 wait_reset; /* Hardware failed, need to reset */ | |
253 | u8 dm910x_chk_mode; /* Operating mode check */ | |
254 | u8 first_in_callback; /* Flag to record state */ | |
255 | struct timer_list timer; | |
256 | ||
257 | /* System defined statistic counter */ | |
258 | struct net_device_stats stats; | |
259 | ||
260 | /* Driver defined statistic counter */ | |
261 | unsigned long tx_fifo_underrun; | |
262 | unsigned long tx_loss_carrier; | |
263 | unsigned long tx_no_carrier; | |
264 | unsigned long tx_late_collision; | |
265 | unsigned long tx_excessive_collision; | |
266 | unsigned long tx_jabber_timeout; | |
267 | unsigned long reset_count; | |
268 | unsigned long reset_cr8; | |
269 | unsigned long reset_fatal; | |
270 | unsigned long reset_TXtimeout; | |
271 | ||
272 | /* NIC SROM data */ | |
273 | unsigned char srom[128]; | |
274 | }; | |
275 | ||
276 | enum dmfe_offsets { | |
277 | DCR0 = 0x00, DCR1 = 0x08, DCR2 = 0x10, DCR3 = 0x18, DCR4 = 0x20, | |
278 | DCR5 = 0x28, DCR6 = 0x30, DCR7 = 0x38, DCR8 = 0x40, DCR9 = 0x48, | |
279 | DCR10 = 0x50, DCR11 = 0x58, DCR12 = 0x60, DCR13 = 0x68, DCR14 = 0x70, | |
280 | DCR15 = 0x78 | |
281 | }; | |
282 | ||
283 | enum dmfe_CR6_bits { | |
284 | CR6_RXSC = 0x2, CR6_PBF = 0x8, CR6_PM = 0x40, CR6_PAM = 0x80, | |
285 | CR6_FDM = 0x200, CR6_TXSC = 0x2000, CR6_STI = 0x100000, | |
286 | CR6_SFT = 0x200000, CR6_RXA = 0x40000000, CR6_NO_PURGE = 0x20000000 | |
287 | }; | |
288 | ||
289 | /* Global variable declaration ----------------------------- */ | |
290 | static int __devinitdata printed_version; | |
291 | static char version[] __devinitdata = | |
292 | KERN_INFO DRV_NAME ": Davicom DM9xxx net driver, version " | |
293 | DRV_VERSION " (" DRV_RELDATE ")\n"; | |
294 | ||
295 | static int dmfe_debug; | |
296 | static unsigned char dmfe_media_mode = DMFE_AUTO; | |
297 | static u32 dmfe_cr6_user_set; | |
298 | ||
299 | /* For module input parameter */ | |
300 | static int debug; | |
301 | static u32 cr6set; | |
302 | static unsigned char mode = 8; | |
303 | static u8 chkmode = 1; | |
304 | static u8 HPNA_mode; /* Default: Low Power/High Speed */ | |
305 | static u8 HPNA_rx_cmd; /* Default: Disable Rx remote command */ | |
306 | static u8 HPNA_tx_cmd; /* Default: Don't issue remote command */ | |
307 | static u8 HPNA_NoiseFloor; /* Default: HPNA NoiseFloor */ | |
308 | static u8 SF_mode; /* Special Function: 1:VLAN, 2:RX Flow Control | |
309 | 4: TX pause packet */ | |
310 | ||
311 | ||
312 | /* function declaration ------------------------------------- */ | |
313 | static int dmfe_open(struct DEVICE *); | |
314 | static int dmfe_start_xmit(struct sk_buff *, struct DEVICE *); | |
315 | static int dmfe_stop(struct DEVICE *); | |
316 | static struct net_device_stats * dmfe_get_stats(struct DEVICE *); | |
317 | static void dmfe_set_filter_mode(struct DEVICE *); | |
7282d491 | 318 | static const struct ethtool_ops netdev_ethtool_ops; |
1da177e4 | 319 | static u16 read_srom_word(long ,int); |
7d12e780 | 320 | static irqreturn_t dmfe_interrupt(int , void *); |
1da177e4 LT |
321 | #ifdef CONFIG_NET_POLL_CONTROLLER |
322 | static void poll_dmfe (struct net_device *dev); | |
323 | #endif | |
324 | static void dmfe_descriptor_init(struct dmfe_board_info *, unsigned long); | |
325 | static void allocate_rx_buffer(struct dmfe_board_info *); | |
326 | static void update_cr6(u32, unsigned long); | |
327 | static void send_filter_frame(struct DEVICE * ,int); | |
328 | static void dm9132_id_table(struct DEVICE * ,int); | |
329 | static u16 phy_read(unsigned long, u8, u8, u32); | |
330 | static void phy_write(unsigned long, u8, u8, u16, u32); | |
331 | static void phy_write_1bit(unsigned long, u32); | |
332 | static u16 phy_read_1bit(unsigned long); | |
333 | static u8 dmfe_sense_speed(struct dmfe_board_info *); | |
334 | static void dmfe_process_mode(struct dmfe_board_info *); | |
335 | static void dmfe_timer(unsigned long); | |
336 | static inline u32 cal_CRC(unsigned char *, unsigned int, u8); | |
337 | static void dmfe_rx_packet(struct DEVICE *, struct dmfe_board_info *); | |
338 | static void dmfe_free_tx_pkt(struct DEVICE *, struct dmfe_board_info *); | |
339 | static void dmfe_reuse_skb(struct dmfe_board_info *, struct sk_buff *); | |
340 | static void dmfe_dynamic_reset(struct DEVICE *); | |
341 | static void dmfe_free_rxbuffer(struct dmfe_board_info *); | |
342 | static void dmfe_init_dm910x(struct DEVICE *); | |
343 | static void dmfe_parse_srom(struct dmfe_board_info *); | |
344 | static void dmfe_program_DM9801(struct dmfe_board_info *, int); | |
345 | static void dmfe_program_DM9802(struct dmfe_board_info *); | |
346 | static void dmfe_HPNA_remote_cmd_chk(struct dmfe_board_info * ); | |
347 | static void dmfe_set_phyxcer(struct dmfe_board_info *); | |
348 | ||
f67ba792 | 349 | /* DM910X network board routine ---------------------------- */ |
1da177e4 LT |
350 | |
351 | /* | |
352 | * Search DM910X board ,allocate space and register it | |
353 | */ | |
354 | ||
355 | static int __devinit dmfe_init_one (struct pci_dev *pdev, | |
356 | const struct pci_device_id *ent) | |
357 | { | |
358 | struct dmfe_board_info *db; /* board information structure */ | |
359 | struct net_device *dev; | |
360 | u32 dev_rev, pci_pmr; | |
361 | int i, err; | |
362 | ||
363 | DMFE_DBUG(0, "dmfe_init_one()", 0); | |
364 | ||
365 | if (!printed_version++) | |
366 | printk(version); | |
367 | ||
368 | /* Init network device */ | |
369 | dev = alloc_etherdev(sizeof(*db)); | |
370 | if (dev == NULL) | |
371 | return -ENOMEM; | |
372 | SET_MODULE_OWNER(dev); | |
373 | SET_NETDEV_DEV(dev, &pdev->dev); | |
374 | ||
cb199d42 | 375 | if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) { |
f67ba792 ML |
376 | printk(KERN_WARNING DRV_NAME |
377 | ": 32-bit PCI DMA not available.\n"); | |
1da177e4 LT |
378 | err = -ENODEV; |
379 | goto err_out_free; | |
380 | } | |
381 | ||
382 | /* Enable Master/IO access, Disable memory access */ | |
383 | err = pci_enable_device(pdev); | |
384 | if (err) | |
385 | goto err_out_free; | |
386 | ||
387 | if (!pci_resource_start(pdev, 0)) { | |
388 | printk(KERN_ERR DRV_NAME ": I/O base is zero\n"); | |
389 | err = -ENODEV; | |
390 | goto err_out_disable; | |
391 | } | |
392 | ||
393 | /* Read Chip revision */ | |
394 | pci_read_config_dword(pdev, PCI_REVISION_ID, &dev_rev); | |
395 | ||
396 | if (pci_resource_len(pdev, 0) < (CHK_IO_SIZE(pdev, dev_rev)) ) { | |
397 | printk(KERN_ERR DRV_NAME ": Allocated I/O size too small\n"); | |
398 | err = -ENODEV; | |
399 | goto err_out_disable; | |
400 | } | |
401 | ||
402 | #if 0 /* pci_{enable_device,set_master} sets minimum latency for us now */ | |
403 | ||
404 | /* Set Latency Timer 80h */ | |
405 | /* FIXME: setting values > 32 breaks some SiS 559x stuff. | |
406 | Need a PCI quirk.. */ | |
407 | ||
408 | pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x80); | |
409 | #endif | |
410 | ||
411 | if (pci_request_regions(pdev, DRV_NAME)) { | |
412 | printk(KERN_ERR DRV_NAME ": Failed to request PCI regions\n"); | |
413 | err = -ENODEV; | |
414 | goto err_out_disable; | |
415 | } | |
416 | ||
417 | /* Init system & device */ | |
418 | db = netdev_priv(dev); | |
419 | ||
420 | /* Allocate Tx/Rx descriptor memory */ | |
f67ba792 ML |
421 | db->desc_pool_ptr = pci_alloc_consistent(pdev, sizeof(struct tx_desc) * |
422 | DESC_ALL_CNT + 0x20, &db->desc_pool_dma_ptr); | |
423 | ||
424 | db->buf_pool_ptr = pci_alloc_consistent(pdev, TX_BUF_ALLOC * | |
425 | TX_DESC_CNT + 4, &db->buf_pool_dma_ptr); | |
1da177e4 LT |
426 | |
427 | db->first_tx_desc = (struct tx_desc *) db->desc_pool_ptr; | |
428 | db->first_tx_desc_dma = db->desc_pool_dma_ptr; | |
429 | db->buf_pool_start = db->buf_pool_ptr; | |
430 | db->buf_pool_dma_start = db->buf_pool_dma_ptr; | |
431 | ||
432 | db->chip_id = ent->driver_data; | |
433 | db->ioaddr = pci_resource_start(pdev, 0); | |
434 | db->chip_revision = dev_rev; | |
435 | ||
436 | db->pdev = pdev; | |
437 | ||
438 | dev->base_addr = db->ioaddr; | |
439 | dev->irq = pdev->irq; | |
440 | pci_set_drvdata(pdev, dev); | |
441 | dev->open = &dmfe_open; | |
442 | dev->hard_start_xmit = &dmfe_start_xmit; | |
443 | dev->stop = &dmfe_stop; | |
444 | dev->get_stats = &dmfe_get_stats; | |
445 | dev->set_multicast_list = &dmfe_set_filter_mode; | |
446 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
447 | dev->poll_controller = &poll_dmfe; | |
448 | #endif | |
449 | dev->ethtool_ops = &netdev_ethtool_ops; | |
450 | spin_lock_init(&db->lock); | |
451 | ||
452 | pci_read_config_dword(pdev, 0x50, &pci_pmr); | |
453 | pci_pmr &= 0x70000; | |
454 | if ( (pci_pmr == 0x10000) && (dev_rev == 0x02000031) ) | |
455 | db->chip_type = 1; /* DM9102A E3 */ | |
456 | else | |
457 | db->chip_type = 0; | |
458 | ||
459 | /* read 64 word srom data */ | |
460 | for (i = 0; i < 64; i++) | |
f67ba792 ML |
461 | ((u16 *) db->srom)[i] = |
462 | cpu_to_le16(read_srom_word(db->ioaddr, i)); | |
1da177e4 LT |
463 | |
464 | /* Set Node address */ | |
465 | for (i = 0; i < 6; i++) | |
466 | dev->dev_addr[i] = db->srom[20 + i]; | |
467 | ||
468 | err = register_netdev (dev); | |
469 | if (err) | |
470 | goto err_out_res; | |
471 | ||
472 | printk(KERN_INFO "%s: Davicom DM%04lx at pci%s,", | |
473 | dev->name, | |
474 | ent->driver_data >> 16, | |
475 | pci_name(pdev)); | |
476 | for (i = 0; i < 6; i++) | |
477 | printk("%c%02x", i ? ':' : ' ', dev->dev_addr[i]); | |
478 | printk(", irq %d.\n", dev->irq); | |
479 | ||
480 | pci_set_master(pdev); | |
481 | ||
482 | return 0; | |
483 | ||
484 | err_out_res: | |
485 | pci_release_regions(pdev); | |
486 | err_out_disable: | |
487 | pci_disable_device(pdev); | |
488 | err_out_free: | |
489 | pci_set_drvdata(pdev, NULL); | |
490 | free_netdev(dev); | |
491 | ||
492 | return err; | |
493 | } | |
494 | ||
495 | ||
496 | static void __devexit dmfe_remove_one (struct pci_dev *pdev) | |
497 | { | |
498 | struct net_device *dev = pci_get_drvdata(pdev); | |
499 | struct dmfe_board_info *db = netdev_priv(dev); | |
500 | ||
501 | DMFE_DBUG(0, "dmfe_remove_one()", 0); | |
502 | ||
503 | if (dev) { | |
504 | pci_free_consistent(db->pdev, sizeof(struct tx_desc) * | |
505 | DESC_ALL_CNT + 0x20, db->desc_pool_ptr, | |
506 | db->desc_pool_dma_ptr); | |
507 | pci_free_consistent(db->pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4, | |
508 | db->buf_pool_ptr, db->buf_pool_dma_ptr); | |
509 | unregister_netdev(dev); | |
510 | pci_release_regions(pdev); | |
511 | free_netdev(dev); /* free board information */ | |
512 | pci_set_drvdata(pdev, NULL); | |
513 | } | |
514 | ||
515 | DMFE_DBUG(0, "dmfe_remove_one() exit", 0); | |
516 | } | |
517 | ||
518 | ||
519 | /* | |
520 | * Open the interface. | |
521 | * The interface is opened whenever "ifconfig" actives it. | |
522 | */ | |
523 | ||
524 | static int dmfe_open(struct DEVICE *dev) | |
525 | { | |
526 | int ret; | |
527 | struct dmfe_board_info *db = netdev_priv(dev); | |
528 | ||
529 | DMFE_DBUG(0, "dmfe_open", 0); | |
530 | ||
f67ba792 ML |
531 | ret = request_irq(dev->irq, &dmfe_interrupt, |
532 | IRQF_SHARED, dev->name, dev); | |
1da177e4 LT |
533 | if (ret) |
534 | return ret; | |
535 | ||
536 | /* system variable init */ | |
537 | db->cr6_data = CR6_DEFAULT | dmfe_cr6_user_set; | |
538 | db->tx_packet_cnt = 0; | |
539 | db->tx_queue_cnt = 0; | |
540 | db->rx_avail_cnt = 0; | |
541 | db->link_failed = 1; | |
542 | db->wait_reset = 0; | |
543 | ||
544 | db->first_in_callback = 0; | |
545 | db->NIC_capability = 0xf; /* All capability*/ | |
546 | db->PHY_reg4 = 0x1e0; | |
547 | ||
548 | /* CR6 operation mode decision */ | |
549 | if ( !chkmode || (db->chip_id == PCI_DM9132_ID) || | |
550 | (db->chip_revision >= 0x02000030) ) { | |
551 | db->cr6_data |= DMFE_TXTH_256; | |
552 | db->cr0_data = CR0_DEFAULT; | |
553 | db->dm910x_chk_mode=4; /* Enter the normal mode */ | |
554 | } else { | |
555 | db->cr6_data |= CR6_SFT; /* Store & Forward mode */ | |
556 | db->cr0_data = 0; | |
557 | db->dm910x_chk_mode = 1; /* Enter the check mode */ | |
558 | } | |
559 | ||
560 | /* Initilize DM910X board */ | |
561 | dmfe_init_dm910x(dev); | |
562 | ||
563 | /* Active System Interface */ | |
564 | netif_wake_queue(dev); | |
565 | ||
566 | /* set and active a timer process */ | |
567 | init_timer(&db->timer); | |
568 | db->timer.expires = DMFE_TIMER_WUT + HZ * 2; | |
569 | db->timer.data = (unsigned long)dev; | |
570 | db->timer.function = &dmfe_timer; | |
571 | add_timer(&db->timer); | |
572 | ||
573 | return 0; | |
574 | } | |
575 | ||
576 | ||
577 | /* Initilize DM910X board | |
578 | * Reset DM910X board | |
579 | * Initilize TX/Rx descriptor chain structure | |
580 | * Send the set-up frame | |
581 | * Enable Tx/Rx machine | |
582 | */ | |
583 | ||
584 | static void dmfe_init_dm910x(struct DEVICE *dev) | |
585 | { | |
586 | struct dmfe_board_info *db = netdev_priv(dev); | |
587 | unsigned long ioaddr = db->ioaddr; | |
588 | ||
589 | DMFE_DBUG(0, "dmfe_init_dm910x()", 0); | |
590 | ||
591 | /* Reset DM910x MAC controller */ | |
592 | outl(DM910X_RESET, ioaddr + DCR0); /* RESET MAC */ | |
593 | udelay(100); | |
594 | outl(db->cr0_data, ioaddr + DCR0); | |
595 | udelay(5); | |
596 | ||
597 | /* Phy addr : DM910(A)2/DM9132/9801, phy address = 1 */ | |
598 | db->phy_addr = 1; | |
599 | ||
600 | /* Parser SROM and media mode */ | |
601 | dmfe_parse_srom(db); | |
602 | db->media_mode = dmfe_media_mode; | |
603 | ||
604 | /* RESET Phyxcer Chip by GPR port bit 7 */ | |
605 | outl(0x180, ioaddr + DCR12); /* Let bit 7 output port */ | |
606 | if (db->chip_id == PCI_DM9009_ID) { | |
607 | outl(0x80, ioaddr + DCR12); /* Issue RESET signal */ | |
608 | mdelay(300); /* Delay 300 ms */ | |
609 | } | |
610 | outl(0x0, ioaddr + DCR12); /* Clear RESET signal */ | |
611 | ||
612 | /* Process Phyxcer Media Mode */ | |
613 | if ( !(db->media_mode & 0x10) ) /* Force 1M mode */ | |
614 | dmfe_set_phyxcer(db); | |
615 | ||
616 | /* Media Mode Process */ | |
617 | if ( !(db->media_mode & DMFE_AUTO) ) | |
618 | db->op_mode = db->media_mode; /* Force Mode */ | |
619 | ||
620 | /* Initiliaze Transmit/Receive decriptor and CR3/4 */ | |
621 | dmfe_descriptor_init(db, ioaddr); | |
622 | ||
623 | /* Init CR6 to program DM910x operation */ | |
624 | update_cr6(db->cr6_data, ioaddr); | |
625 | ||
626 | /* Send setup frame */ | |
627 | if (db->chip_id == PCI_DM9132_ID) | |
628 | dm9132_id_table(dev, dev->mc_count); /* DM9132 */ | |
629 | else | |
630 | send_filter_frame(dev, dev->mc_count); /* DM9102/DM9102A */ | |
631 | ||
632 | /* Init CR7, interrupt active bit */ | |
633 | db->cr7_data = CR7_DEFAULT; | |
634 | outl(db->cr7_data, ioaddr + DCR7); | |
635 | ||
636 | /* Init CR15, Tx jabber and Rx watchdog timer */ | |
637 | outl(db->cr15_data, ioaddr + DCR15); | |
638 | ||
639 | /* Enable DM910X Tx/Rx function */ | |
640 | db->cr6_data |= CR6_RXSC | CR6_TXSC | 0x40000; | |
641 | update_cr6(db->cr6_data, ioaddr); | |
642 | } | |
643 | ||
644 | ||
645 | /* | |
646 | * Hardware start transmission. | |
647 | * Send a packet to media from the upper layer. | |
648 | */ | |
649 | ||
650 | static int dmfe_start_xmit(struct sk_buff *skb, struct DEVICE *dev) | |
651 | { | |
652 | struct dmfe_board_info *db = netdev_priv(dev); | |
653 | struct tx_desc *txptr; | |
654 | unsigned long flags; | |
655 | ||
656 | DMFE_DBUG(0, "dmfe_start_xmit", 0); | |
657 | ||
658 | /* Resource flag check */ | |
659 | netif_stop_queue(dev); | |
660 | ||
661 | /* Too large packet check */ | |
662 | if (skb->len > MAX_PACKET_SIZE) { | |
663 | printk(KERN_ERR DRV_NAME ": big packet = %d\n", (u16)skb->len); | |
664 | dev_kfree_skb(skb); | |
665 | return 0; | |
666 | } | |
667 | ||
668 | spin_lock_irqsave(&db->lock, flags); | |
669 | ||
670 | /* No Tx resource check, it never happen nromally */ | |
671 | if (db->tx_queue_cnt >= TX_FREE_DESC_CNT) { | |
672 | spin_unlock_irqrestore(&db->lock, flags); | |
f67ba792 ML |
673 | printk(KERN_ERR DRV_NAME ": No Tx resource %ld\n", |
674 | db->tx_queue_cnt); | |
1da177e4 LT |
675 | return 1; |
676 | } | |
677 | ||
678 | /* Disable NIC interrupt */ | |
679 | outl(0, dev->base_addr + DCR7); | |
680 | ||
681 | /* transmit this packet */ | |
682 | txptr = db->tx_insert_ptr; | |
683 | memcpy(txptr->tx_buf_ptr, skb->data, skb->len); | |
684 | txptr->tdes1 = cpu_to_le32(0xe1000000 | skb->len); | |
685 | ||
686 | /* Point to next transmit free descriptor */ | |
687 | db->tx_insert_ptr = txptr->next_tx_desc; | |
688 | ||
689 | /* Transmit Packet Process */ | |
690 | if ( (!db->tx_queue_cnt) && (db->tx_packet_cnt < TX_MAX_SEND_CNT) ) { | |
691 | txptr->tdes0 = cpu_to_le32(0x80000000); /* Set owner bit */ | |
692 | db->tx_packet_cnt++; /* Ready to send */ | |
693 | outl(0x1, dev->base_addr + DCR1); /* Issue Tx polling */ | |
694 | dev->trans_start = jiffies; /* saved time stamp */ | |
695 | } else { | |
696 | db->tx_queue_cnt++; /* queue TX packet */ | |
697 | outl(0x1, dev->base_addr + DCR1); /* Issue Tx polling */ | |
698 | } | |
699 | ||
700 | /* Tx resource check */ | |
701 | if ( db->tx_queue_cnt < TX_FREE_DESC_CNT ) | |
702 | netif_wake_queue(dev); | |
703 | ||
704 | /* Restore CR7 to enable interrupt */ | |
705 | spin_unlock_irqrestore(&db->lock, flags); | |
706 | outl(db->cr7_data, dev->base_addr + DCR7); | |
707 | ||
708 | /* free this SKB */ | |
709 | dev_kfree_skb(skb); | |
710 | ||
711 | return 0; | |
712 | } | |
713 | ||
714 | ||
715 | /* | |
716 | * Stop the interface. | |
717 | * The interface is stopped when it is brought. | |
718 | */ | |
719 | ||
720 | static int dmfe_stop(struct DEVICE *dev) | |
721 | { | |
722 | struct dmfe_board_info *db = netdev_priv(dev); | |
723 | unsigned long ioaddr = dev->base_addr; | |
724 | ||
725 | DMFE_DBUG(0, "dmfe_stop", 0); | |
726 | ||
727 | /* disable system */ | |
728 | netif_stop_queue(dev); | |
729 | ||
730 | /* deleted timer */ | |
731 | del_timer_sync(&db->timer); | |
732 | ||
733 | /* Reset & stop DM910X board */ | |
734 | outl(DM910X_RESET, ioaddr + DCR0); | |
735 | udelay(5); | |
736 | phy_write(db->ioaddr, db->phy_addr, 0, 0x8000, db->chip_id); | |
737 | ||
738 | /* free interrupt */ | |
739 | free_irq(dev->irq, dev); | |
740 | ||
741 | /* free allocated rx buffer */ | |
742 | dmfe_free_rxbuffer(db); | |
743 | ||
744 | #if 0 | |
745 | /* show statistic counter */ | |
f67ba792 ML |
746 | printk(DRV_NAME ": FU:%lx EC:%lx LC:%lx NC:%lx" |
747 | " LOC:%lx TXJT:%lx RESET:%lx RCR8:%lx FAL:%lx TT:%lx\n", | |
1da177e4 LT |
748 | db->tx_fifo_underrun, db->tx_excessive_collision, |
749 | db->tx_late_collision, db->tx_no_carrier, db->tx_loss_carrier, | |
750 | db->tx_jabber_timeout, db->reset_count, db->reset_cr8, | |
751 | db->reset_fatal, db->reset_TXtimeout); | |
752 | #endif | |
753 | ||
754 | return 0; | |
755 | } | |
756 | ||
757 | ||
758 | /* | |
759 | * DM9102 insterrupt handler | |
760 | * receive the packet to upper layer, free the transmitted packet | |
761 | */ | |
762 | ||
7d12e780 | 763 | static irqreturn_t dmfe_interrupt(int irq, void *dev_id) |
1da177e4 LT |
764 | { |
765 | struct DEVICE *dev = dev_id; | |
766 | struct dmfe_board_info *db = netdev_priv(dev); | |
767 | unsigned long ioaddr = dev->base_addr; | |
768 | unsigned long flags; | |
769 | ||
770 | DMFE_DBUG(0, "dmfe_interrupt()", 0); | |
771 | ||
1da177e4 LT |
772 | spin_lock_irqsave(&db->lock, flags); |
773 | ||
774 | /* Got DM910X status */ | |
775 | db->cr5_data = inl(ioaddr + DCR5); | |
776 | outl(db->cr5_data, ioaddr + DCR5); | |
777 | if ( !(db->cr5_data & 0xc1) ) { | |
778 | spin_unlock_irqrestore(&db->lock, flags); | |
779 | return IRQ_HANDLED; | |
780 | } | |
781 | ||
782 | /* Disable all interrupt in CR7 to solve the interrupt edge problem */ | |
783 | outl(0, ioaddr + DCR7); | |
784 | ||
785 | /* Check system status */ | |
786 | if (db->cr5_data & 0x2000) { | |
787 | /* system bus error happen */ | |
788 | DMFE_DBUG(1, "System bus error happen. CR5=", db->cr5_data); | |
789 | db->reset_fatal++; | |
790 | db->wait_reset = 1; /* Need to RESET */ | |
791 | spin_unlock_irqrestore(&db->lock, flags); | |
792 | return IRQ_HANDLED; | |
793 | } | |
794 | ||
795 | /* Received the coming packet */ | |
796 | if ( (db->cr5_data & 0x40) && db->rx_avail_cnt ) | |
797 | dmfe_rx_packet(dev, db); | |
798 | ||
799 | /* reallocate rx descriptor buffer */ | |
800 | if (db->rx_avail_cnt<RX_DESC_CNT) | |
801 | allocate_rx_buffer(db); | |
802 | ||
803 | /* Free the transmitted descriptor */ | |
804 | if ( db->cr5_data & 0x01) | |
805 | dmfe_free_tx_pkt(dev, db); | |
806 | ||
807 | /* Mode Check */ | |
808 | if (db->dm910x_chk_mode & 0x2) { | |
809 | db->dm910x_chk_mode = 0x4; | |
810 | db->cr6_data |= 0x100; | |
811 | update_cr6(db->cr6_data, db->ioaddr); | |
812 | } | |
813 | ||
814 | /* Restore CR7 to enable interrupt mask */ | |
815 | outl(db->cr7_data, ioaddr + DCR7); | |
816 | ||
817 | spin_unlock_irqrestore(&db->lock, flags); | |
818 | return IRQ_HANDLED; | |
819 | } | |
820 | ||
821 | ||
822 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
823 | /* | |
824 | * Polling 'interrupt' - used by things like netconsole to send skbs | |
825 | * without having to re-enable interrupts. It's not called while | |
826 | * the interrupt routine is executing. | |
827 | */ | |
828 | ||
829 | static void poll_dmfe (struct net_device *dev) | |
830 | { | |
831 | /* disable_irq here is not very nice, but with the lockless | |
832 | interrupt handler we have no other choice. */ | |
833 | disable_irq(dev->irq); | |
7d12e780 | 834 | dmfe_interrupt (dev->irq, dev); |
1da177e4 LT |
835 | enable_irq(dev->irq); |
836 | } | |
837 | #endif | |
838 | ||
839 | /* | |
840 | * Free TX resource after TX complete | |
841 | */ | |
842 | ||
843 | static void dmfe_free_tx_pkt(struct DEVICE *dev, struct dmfe_board_info * db) | |
844 | { | |
845 | struct tx_desc *txptr; | |
846 | unsigned long ioaddr = dev->base_addr; | |
847 | u32 tdes0; | |
848 | ||
849 | txptr = db->tx_remove_ptr; | |
850 | while(db->tx_packet_cnt) { | |
851 | tdes0 = le32_to_cpu(txptr->tdes0); | |
852 | /* printk(DRV_NAME ": tdes0=%x\n", tdes0); */ | |
853 | if (tdes0 & 0x80000000) | |
854 | break; | |
855 | ||
856 | /* A packet sent completed */ | |
857 | db->tx_packet_cnt--; | |
858 | db->stats.tx_packets++; | |
859 | ||
860 | /* Transmit statistic counter */ | |
861 | if ( tdes0 != 0x7fffffff ) { | |
862 | /* printk(DRV_NAME ": tdes0=%x\n", tdes0); */ | |
863 | db->stats.collisions += (tdes0 >> 3) & 0xf; | |
864 | db->stats.tx_bytes += le32_to_cpu(txptr->tdes1) & 0x7ff; | |
865 | if (tdes0 & TDES0_ERR_MASK) { | |
866 | db->stats.tx_errors++; | |
867 | ||
868 | if (tdes0 & 0x0002) { /* UnderRun */ | |
869 | db->tx_fifo_underrun++; | |
870 | if ( !(db->cr6_data & CR6_SFT) ) { | |
871 | db->cr6_data = db->cr6_data | CR6_SFT; | |
872 | update_cr6(db->cr6_data, db->ioaddr); | |
873 | } | |
874 | } | |
875 | if (tdes0 & 0x0100) | |
876 | db->tx_excessive_collision++; | |
877 | if (tdes0 & 0x0200) | |
878 | db->tx_late_collision++; | |
879 | if (tdes0 & 0x0400) | |
880 | db->tx_no_carrier++; | |
881 | if (tdes0 & 0x0800) | |
882 | db->tx_loss_carrier++; | |
883 | if (tdes0 & 0x4000) | |
884 | db->tx_jabber_timeout++; | |
885 | } | |
886 | } | |
887 | ||
888 | txptr = txptr->next_tx_desc; | |
889 | }/* End of while */ | |
890 | ||
891 | /* Update TX remove pointer to next */ | |
892 | db->tx_remove_ptr = txptr; | |
893 | ||
894 | /* Send the Tx packet in queue */ | |
895 | if ( (db->tx_packet_cnt < TX_MAX_SEND_CNT) && db->tx_queue_cnt ) { | |
896 | txptr->tdes0 = cpu_to_le32(0x80000000); /* Set owner bit */ | |
897 | db->tx_packet_cnt++; /* Ready to send */ | |
898 | db->tx_queue_cnt--; | |
899 | outl(0x1, ioaddr + DCR1); /* Issue Tx polling */ | |
900 | dev->trans_start = jiffies; /* saved time stamp */ | |
901 | } | |
902 | ||
903 | /* Resource available check */ | |
904 | if ( db->tx_queue_cnt < TX_WAKE_DESC_CNT ) | |
905 | netif_wake_queue(dev); /* Active upper layer, send again */ | |
906 | } | |
907 | ||
908 | ||
909 | /* | |
910 | * Calculate the CRC valude of the Rx packet | |
911 | * flag = 1 : return the reverse CRC (for the received packet CRC) | |
912 | * 0 : return the normal CRC (for Hash Table index) | |
913 | */ | |
914 | ||
915 | static inline u32 cal_CRC(unsigned char * Data, unsigned int Len, u8 flag) | |
916 | { | |
917 | u32 crc = crc32(~0, Data, Len); | |
918 | if (flag) crc = ~crc; | |
919 | return crc; | |
920 | } | |
921 | ||
922 | ||
923 | /* | |
924 | * Receive the come packet and pass to upper layer | |
925 | */ | |
926 | ||
927 | static void dmfe_rx_packet(struct DEVICE *dev, struct dmfe_board_info * db) | |
928 | { | |
929 | struct rx_desc *rxptr; | |
930 | struct sk_buff *skb; | |
931 | int rxlen; | |
932 | u32 rdes0; | |
933 | ||
934 | rxptr = db->rx_ready_ptr; | |
935 | ||
936 | while(db->rx_avail_cnt) { | |
937 | rdes0 = le32_to_cpu(rxptr->rdes0); | |
938 | if (rdes0 & 0x80000000) /* packet owner check */ | |
939 | break; | |
940 | ||
941 | db->rx_avail_cnt--; | |
942 | db->interval_rx_cnt++; | |
943 | ||
f67ba792 ML |
944 | pci_unmap_single(db->pdev, le32_to_cpu(rxptr->rdes2), |
945 | RX_ALLOC_SIZE, PCI_DMA_FROMDEVICE); | |
946 | ||
1da177e4 LT |
947 | if ( (rdes0 & 0x300) != 0x300) { |
948 | /* A packet without First/Last flag */ | |
949 | /* reuse this SKB */ | |
950 | DMFE_DBUG(0, "Reuse SK buffer, rdes0", rdes0); | |
951 | dmfe_reuse_skb(db, rxptr->rx_skb_ptr); | |
952 | } else { | |
953 | /* A packet with First/Last flag */ | |
954 | rxlen = ( (rdes0 >> 16) & 0x3fff) - 4; | |
955 | ||
956 | /* error summary bit check */ | |
957 | if (rdes0 & 0x8000) { | |
958 | /* This is a error packet */ | |
959 | //printk(DRV_NAME ": rdes0: %lx\n", rdes0); | |
960 | db->stats.rx_errors++; | |
961 | if (rdes0 & 1) | |
962 | db->stats.rx_fifo_errors++; | |
963 | if (rdes0 & 2) | |
964 | db->stats.rx_crc_errors++; | |
965 | if (rdes0 & 0x80) | |
966 | db->stats.rx_length_errors++; | |
967 | } | |
968 | ||
969 | if ( !(rdes0 & 0x8000) || | |
970 | ((db->cr6_data & CR6_PM) && (rxlen>6)) ) { | |
971 | skb = rxptr->rx_skb_ptr; | |
972 | ||
973 | /* Received Packet CRC check need or not */ | |
974 | if ( (db->dm910x_chk_mode & 1) && | |
689be439 DM |
975 | (cal_CRC(skb->data, rxlen, 1) != |
976 | (*(u32 *) (skb->data+rxlen) ))) { /* FIXME (?) */ | |
1da177e4 LT |
977 | /* Found a error received packet */ |
978 | dmfe_reuse_skb(db, rxptr->rx_skb_ptr); | |
979 | db->dm910x_chk_mode = 3; | |
980 | } else { | |
981 | /* Good packet, send to upper layer */ | |
982 | /* Shorst packet used new SKB */ | |
983 | if ( (rxlen < RX_COPY_SIZE) && | |
984 | ( (skb = dev_alloc_skb(rxlen + 2) ) | |
985 | != NULL) ) { | |
986 | /* size less than COPY_SIZE, allocate a rxlen SKB */ | |
987 | skb->dev = dev; | |
988 | skb_reserve(skb, 2); /* 16byte align */ | |
689be439 | 989 | memcpy(skb_put(skb, rxlen), rxptr->rx_skb_ptr->data, rxlen); |
1da177e4 LT |
990 | dmfe_reuse_skb(db, rxptr->rx_skb_ptr); |
991 | } else { | |
992 | skb->dev = dev; | |
993 | skb_put(skb, rxlen); | |
994 | } | |
995 | skb->protocol = eth_type_trans(skb, dev); | |
996 | netif_rx(skb); | |
997 | dev->last_rx = jiffies; | |
998 | db->stats.rx_packets++; | |
999 | db->stats.rx_bytes += rxlen; | |
1000 | } | |
1001 | } else { | |
1002 | /* Reuse SKB buffer when the packet is error */ | |
1003 | DMFE_DBUG(0, "Reuse SK buffer, rdes0", rdes0); | |
1004 | dmfe_reuse_skb(db, rxptr->rx_skb_ptr); | |
1005 | } | |
1006 | } | |
1007 | ||
1008 | rxptr = rxptr->next_rx_desc; | |
1009 | } | |
1010 | ||
1011 | db->rx_ready_ptr = rxptr; | |
1012 | } | |
1013 | ||
1014 | ||
1015 | /* | |
1016 | * Get statistics from driver. | |
1017 | */ | |
1018 | ||
1019 | static struct net_device_stats * dmfe_get_stats(struct DEVICE *dev) | |
1020 | { | |
1021 | struct dmfe_board_info *db = netdev_priv(dev); | |
1022 | ||
1023 | DMFE_DBUG(0, "dmfe_get_stats", 0); | |
1024 | return &db->stats; | |
1025 | } | |
1026 | ||
1027 | ||
1028 | /* | |
1029 | * Set DM910X multicast address | |
1030 | */ | |
1031 | ||
1032 | static void dmfe_set_filter_mode(struct DEVICE * dev) | |
1033 | { | |
1034 | struct dmfe_board_info *db = netdev_priv(dev); | |
1035 | unsigned long flags; | |
1036 | ||
1037 | DMFE_DBUG(0, "dmfe_set_filter_mode()", 0); | |
1038 | spin_lock_irqsave(&db->lock, flags); | |
1039 | ||
1040 | if (dev->flags & IFF_PROMISC) { | |
1041 | DMFE_DBUG(0, "Enable PROM Mode", 0); | |
1042 | db->cr6_data |= CR6_PM | CR6_PBF; | |
1043 | update_cr6(db->cr6_data, db->ioaddr); | |
1044 | spin_unlock_irqrestore(&db->lock, flags); | |
1045 | return; | |
1046 | } | |
1047 | ||
1048 | if (dev->flags & IFF_ALLMULTI || dev->mc_count > DMFE_MAX_MULTICAST) { | |
1049 | DMFE_DBUG(0, "Pass all multicast address", dev->mc_count); | |
1050 | db->cr6_data &= ~(CR6_PM | CR6_PBF); | |
1051 | db->cr6_data |= CR6_PAM; | |
1052 | spin_unlock_irqrestore(&db->lock, flags); | |
1053 | return; | |
1054 | } | |
1055 | ||
1056 | DMFE_DBUG(0, "Set multicast address", dev->mc_count); | |
1057 | if (db->chip_id == PCI_DM9132_ID) | |
1058 | dm9132_id_table(dev, dev->mc_count); /* DM9132 */ | |
1059 | else | |
1060 | send_filter_frame(dev, dev->mc_count); /* DM9102/DM9102A */ | |
1061 | spin_unlock_irqrestore(&db->lock, flags); | |
1062 | } | |
1063 | ||
1064 | static void netdev_get_drvinfo(struct net_device *dev, | |
1065 | struct ethtool_drvinfo *info) | |
1066 | { | |
1067 | struct dmfe_board_info *np = netdev_priv(dev); | |
1068 | ||
1069 | strcpy(info->driver, DRV_NAME); | |
1070 | strcpy(info->version, DRV_VERSION); | |
1071 | if (np->pdev) | |
1072 | strcpy(info->bus_info, pci_name(np->pdev)); | |
1073 | else | |
1074 | sprintf(info->bus_info, "EISA 0x%lx %d", | |
1075 | dev->base_addr, dev->irq); | |
1076 | } | |
1077 | ||
7282d491 | 1078 | static const struct ethtool_ops netdev_ethtool_ops = { |
1da177e4 LT |
1079 | .get_drvinfo = netdev_get_drvinfo, |
1080 | }; | |
1081 | ||
1082 | /* | |
1083 | * A periodic timer routine | |
1084 | * Dynamic media sense, allocate Rx buffer... | |
1085 | */ | |
1086 | ||
1087 | static void dmfe_timer(unsigned long data) | |
1088 | { | |
1089 | u32 tmp_cr8; | |
1090 | unsigned char tmp_cr12; | |
1091 | struct DEVICE *dev = (struct DEVICE *) data; | |
1092 | struct dmfe_board_info *db = netdev_priv(dev); | |
1093 | unsigned long flags; | |
1094 | ||
1095 | DMFE_DBUG(0, "dmfe_timer()", 0); | |
1096 | spin_lock_irqsave(&db->lock, flags); | |
1097 | ||
1098 | /* Media mode process when Link OK before enter this route */ | |
1099 | if (db->first_in_callback == 0) { | |
1100 | db->first_in_callback = 1; | |
1101 | if (db->chip_type && (db->chip_id==PCI_DM9102_ID)) { | |
1102 | db->cr6_data &= ~0x40000; | |
1103 | update_cr6(db->cr6_data, db->ioaddr); | |
f67ba792 ML |
1104 | phy_write(db->ioaddr, |
1105 | db->phy_addr, 0, 0x1000, db->chip_id); | |
1da177e4 LT |
1106 | db->cr6_data |= 0x40000; |
1107 | update_cr6(db->cr6_data, db->ioaddr); | |
1108 | db->timer.expires = DMFE_TIMER_WUT + HZ * 2; | |
1109 | add_timer(&db->timer); | |
1110 | spin_unlock_irqrestore(&db->lock, flags); | |
1111 | return; | |
1112 | } | |
1113 | } | |
1114 | ||
1115 | ||
1116 | /* Operating Mode Check */ | |
1117 | if ( (db->dm910x_chk_mode & 0x1) && | |
1118 | (db->stats.rx_packets > MAX_CHECK_PACKET) ) | |
1119 | db->dm910x_chk_mode = 0x4; | |
1120 | ||
1121 | /* Dynamic reset DM910X : system error or transmit time-out */ | |
1122 | tmp_cr8 = inl(db->ioaddr + DCR8); | |
1123 | if ( (db->interval_rx_cnt==0) && (tmp_cr8) ) { | |
1124 | db->reset_cr8++; | |
1125 | db->wait_reset = 1; | |
1126 | } | |
1127 | db->interval_rx_cnt = 0; | |
1128 | ||
1129 | /* TX polling kick monitor */ | |
1130 | if ( db->tx_packet_cnt && | |
1131 | time_after(jiffies, dev->trans_start + DMFE_TX_KICK) ) { | |
1132 | outl(0x1, dev->base_addr + DCR1); /* Tx polling again */ | |
1133 | ||
1134 | /* TX Timeout */ | |
1135 | if ( time_after(jiffies, dev->trans_start + DMFE_TX_TIMEOUT) ) { | |
1136 | db->reset_TXtimeout++; | |
1137 | db->wait_reset = 1; | |
1138 | printk(KERN_WARNING "%s: Tx timeout - resetting\n", | |
1139 | dev->name); | |
1140 | } | |
1141 | } | |
1142 | ||
1143 | if (db->wait_reset) { | |
1144 | DMFE_DBUG(0, "Dynamic Reset device", db->tx_packet_cnt); | |
1145 | db->reset_count++; | |
1146 | dmfe_dynamic_reset(dev); | |
1147 | db->first_in_callback = 0; | |
1148 | db->timer.expires = DMFE_TIMER_WUT; | |
1149 | add_timer(&db->timer); | |
1150 | spin_unlock_irqrestore(&db->lock, flags); | |
1151 | return; | |
1152 | } | |
1153 | ||
1154 | /* Link status check, Dynamic media type change */ | |
1155 | if (db->chip_id == PCI_DM9132_ID) | |
1156 | tmp_cr12 = inb(db->ioaddr + DCR9 + 3); /* DM9132 */ | |
1157 | else | |
1158 | tmp_cr12 = inb(db->ioaddr + DCR12); /* DM9102/DM9102A */ | |
1159 | ||
1160 | if ( ((db->chip_id == PCI_DM9102_ID) && | |
1161 | (db->chip_revision == 0x02000030)) || | |
1162 | ((db->chip_id == PCI_DM9132_ID) && | |
1163 | (db->chip_revision == 0x02000010)) ) { | |
1164 | /* DM9102A Chip */ | |
1165 | if (tmp_cr12 & 2) | |
1166 | tmp_cr12 = 0x0; /* Link failed */ | |
1167 | else | |
1168 | tmp_cr12 = 0x3; /* Link OK */ | |
1169 | } | |
1170 | ||
1171 | if ( !(tmp_cr12 & 0x3) && !db->link_failed ) { | |
1172 | /* Link Failed */ | |
1173 | DMFE_DBUG(0, "Link Failed", tmp_cr12); | |
1174 | db->link_failed = 1; | |
1175 | ||
1176 | /* For Force 10/100M Half/Full mode: Enable Auto-Nego mode */ | |
1177 | /* AUTO or force 1M Homerun/Longrun don't need */ | |
1178 | if ( !(db->media_mode & 0x38) ) | |
f67ba792 ML |
1179 | phy_write(db->ioaddr, db->phy_addr, |
1180 | 0, 0x1000, db->chip_id); | |
1da177e4 LT |
1181 | |
1182 | /* AUTO mode, if INT phyxcer link failed, select EXT device */ | |
1183 | if (db->media_mode & DMFE_AUTO) { | |
1184 | /* 10/100M link failed, used 1M Home-Net */ | |
1185 | db->cr6_data|=0x00040000; /* bit18=1, MII */ | |
1186 | db->cr6_data&=~0x00000200; /* bit9=0, HD mode */ | |
1187 | update_cr6(db->cr6_data, db->ioaddr); | |
1188 | } | |
1189 | } else | |
1190 | if ((tmp_cr12 & 0x3) && db->link_failed) { | |
1191 | DMFE_DBUG(0, "Link link OK", tmp_cr12); | |
1192 | db->link_failed = 0; | |
1193 | ||
1194 | /* Auto Sense Speed */ | |
1195 | if ( (db->media_mode & DMFE_AUTO) && | |
1196 | dmfe_sense_speed(db) ) | |
1197 | db->link_failed = 1; | |
1198 | dmfe_process_mode(db); | |
1199 | /* SHOW_MEDIA_TYPE(db->op_mode); */ | |
1200 | } | |
1201 | ||
1202 | /* HPNA remote command check */ | |
1203 | if (db->HPNA_command & 0xf00) { | |
1204 | db->HPNA_timer--; | |
1205 | if (!db->HPNA_timer) | |
1206 | dmfe_HPNA_remote_cmd_chk(db); | |
1207 | } | |
1208 | ||
1209 | /* Timer active again */ | |
1210 | db->timer.expires = DMFE_TIMER_WUT; | |
1211 | add_timer(&db->timer); | |
1212 | spin_unlock_irqrestore(&db->lock, flags); | |
1213 | } | |
1214 | ||
1215 | ||
1216 | /* | |
1217 | * Dynamic reset the DM910X board | |
1218 | * Stop DM910X board | |
1219 | * Free Tx/Rx allocated memory | |
1220 | * Reset DM910X board | |
1221 | * Re-initilize DM910X board | |
1222 | */ | |
1223 | ||
1224 | static void dmfe_dynamic_reset(struct DEVICE *dev) | |
1225 | { | |
1226 | struct dmfe_board_info *db = netdev_priv(dev); | |
1227 | ||
1228 | DMFE_DBUG(0, "dmfe_dynamic_reset()", 0); | |
1229 | ||
1230 | /* Sopt MAC controller */ | |
1231 | db->cr6_data &= ~(CR6_RXSC | CR6_TXSC); /* Disable Tx/Rx */ | |
1232 | update_cr6(db->cr6_data, dev->base_addr); | |
1233 | outl(0, dev->base_addr + DCR7); /* Disable Interrupt */ | |
1234 | outl(inl(dev->base_addr + DCR5), dev->base_addr + DCR5); | |
1235 | ||
1236 | /* Disable upper layer interface */ | |
1237 | netif_stop_queue(dev); | |
1238 | ||
1239 | /* Free Rx Allocate buffer */ | |
1240 | dmfe_free_rxbuffer(db); | |
1241 | ||
1242 | /* system variable init */ | |
1243 | db->tx_packet_cnt = 0; | |
1244 | db->tx_queue_cnt = 0; | |
1245 | db->rx_avail_cnt = 0; | |
1246 | db->link_failed = 1; | |
1247 | db->wait_reset = 0; | |
1248 | ||
1249 | /* Re-initilize DM910X board */ | |
1250 | dmfe_init_dm910x(dev); | |
1251 | ||
1252 | /* Restart upper layer interface */ | |
1253 | netif_wake_queue(dev); | |
1254 | } | |
1255 | ||
1256 | ||
1257 | /* | |
1258 | * free all allocated rx buffer | |
1259 | */ | |
1260 | ||
1261 | static void dmfe_free_rxbuffer(struct dmfe_board_info * db) | |
1262 | { | |
1263 | DMFE_DBUG(0, "dmfe_free_rxbuffer()", 0); | |
1264 | ||
1265 | /* free allocated rx buffer */ | |
1266 | while (db->rx_avail_cnt) { | |
1267 | dev_kfree_skb(db->rx_ready_ptr->rx_skb_ptr); | |
1268 | db->rx_ready_ptr = db->rx_ready_ptr->next_rx_desc; | |
1269 | db->rx_avail_cnt--; | |
1270 | } | |
1271 | } | |
1272 | ||
1273 | ||
1274 | /* | |
1275 | * Reuse the SK buffer | |
1276 | */ | |
1277 | ||
1278 | static void dmfe_reuse_skb(struct dmfe_board_info *db, struct sk_buff * skb) | |
1279 | { | |
1280 | struct rx_desc *rxptr = db->rx_insert_ptr; | |
1281 | ||
1282 | if (!(rxptr->rdes0 & cpu_to_le32(0x80000000))) { | |
1283 | rxptr->rx_skb_ptr = skb; | |
f67ba792 ML |
1284 | rxptr->rdes2 = cpu_to_le32( pci_map_single(db->pdev, |
1285 | skb->data, RX_ALLOC_SIZE, PCI_DMA_FROMDEVICE) ); | |
1da177e4 LT |
1286 | wmb(); |
1287 | rxptr->rdes0 = cpu_to_le32(0x80000000); | |
1288 | db->rx_avail_cnt++; | |
1289 | db->rx_insert_ptr = rxptr->next_rx_desc; | |
1290 | } else | |
1291 | DMFE_DBUG(0, "SK Buffer reuse method error", db->rx_avail_cnt); | |
1292 | } | |
1293 | ||
1294 | ||
1295 | /* | |
1296 | * Initialize transmit/Receive descriptor | |
1297 | * Using Chain structure, and allocate Tx/Rx buffer | |
1298 | */ | |
1299 | ||
1300 | static void dmfe_descriptor_init(struct dmfe_board_info *db, unsigned long ioaddr) | |
1301 | { | |
1302 | struct tx_desc *tmp_tx; | |
1303 | struct rx_desc *tmp_rx; | |
1304 | unsigned char *tmp_buf; | |
1305 | dma_addr_t tmp_tx_dma, tmp_rx_dma; | |
1306 | dma_addr_t tmp_buf_dma; | |
1307 | int i; | |
1308 | ||
1309 | DMFE_DBUG(0, "dmfe_descriptor_init()", 0); | |
1310 | ||
1311 | /* tx descriptor start pointer */ | |
1312 | db->tx_insert_ptr = db->first_tx_desc; | |
1313 | db->tx_remove_ptr = db->first_tx_desc; | |
1314 | outl(db->first_tx_desc_dma, ioaddr + DCR4); /* TX DESC address */ | |
1315 | ||
1316 | /* rx descriptor start pointer */ | |
f67ba792 ML |
1317 | db->first_rx_desc = (void *)db->first_tx_desc + |
1318 | sizeof(struct tx_desc) * TX_DESC_CNT; | |
1319 | ||
1320 | db->first_rx_desc_dma = db->first_tx_desc_dma + | |
1321 | sizeof(struct tx_desc) * TX_DESC_CNT; | |
1da177e4 LT |
1322 | db->rx_insert_ptr = db->first_rx_desc; |
1323 | db->rx_ready_ptr = db->first_rx_desc; | |
1324 | outl(db->first_rx_desc_dma, ioaddr + DCR3); /* RX DESC address */ | |
1325 | ||
1326 | /* Init Transmit chain */ | |
1327 | tmp_buf = db->buf_pool_start; | |
1328 | tmp_buf_dma = db->buf_pool_dma_start; | |
1329 | tmp_tx_dma = db->first_tx_desc_dma; | |
1330 | for (tmp_tx = db->first_tx_desc, i = 0; i < TX_DESC_CNT; i++, tmp_tx++) { | |
1331 | tmp_tx->tx_buf_ptr = tmp_buf; | |
1332 | tmp_tx->tdes0 = cpu_to_le32(0); | |
1333 | tmp_tx->tdes1 = cpu_to_le32(0x81000000); /* IC, chain */ | |
1334 | tmp_tx->tdes2 = cpu_to_le32(tmp_buf_dma); | |
1335 | tmp_tx_dma += sizeof(struct tx_desc); | |
1336 | tmp_tx->tdes3 = cpu_to_le32(tmp_tx_dma); | |
1337 | tmp_tx->next_tx_desc = tmp_tx + 1; | |
1338 | tmp_buf = tmp_buf + TX_BUF_ALLOC; | |
1339 | tmp_buf_dma = tmp_buf_dma + TX_BUF_ALLOC; | |
1340 | } | |
1341 | (--tmp_tx)->tdes3 = cpu_to_le32(db->first_tx_desc_dma); | |
1342 | tmp_tx->next_tx_desc = db->first_tx_desc; | |
1343 | ||
1344 | /* Init Receive descriptor chain */ | |
1345 | tmp_rx_dma=db->first_rx_desc_dma; | |
1346 | for (tmp_rx = db->first_rx_desc, i = 0; i < RX_DESC_CNT; i++, tmp_rx++) { | |
1347 | tmp_rx->rdes0 = cpu_to_le32(0); | |
1348 | tmp_rx->rdes1 = cpu_to_le32(0x01000600); | |
1349 | tmp_rx_dma += sizeof(struct rx_desc); | |
1350 | tmp_rx->rdes3 = cpu_to_le32(tmp_rx_dma); | |
1351 | tmp_rx->next_rx_desc = tmp_rx + 1; | |
1352 | } | |
1353 | (--tmp_rx)->rdes3 = cpu_to_le32(db->first_rx_desc_dma); | |
1354 | tmp_rx->next_rx_desc = db->first_rx_desc; | |
1355 | ||
1356 | /* pre-allocate Rx buffer */ | |
1357 | allocate_rx_buffer(db); | |
1358 | } | |
1359 | ||
1360 | ||
1361 | /* | |
1362 | * Update CR6 value | |
1363 | * Firstly stop DM910X , then written value and start | |
1364 | */ | |
1365 | ||
1366 | static void update_cr6(u32 cr6_data, unsigned long ioaddr) | |
1367 | { | |
1368 | u32 cr6_tmp; | |
1369 | ||
1370 | cr6_tmp = cr6_data & ~0x2002; /* stop Tx/Rx */ | |
1371 | outl(cr6_tmp, ioaddr + DCR6); | |
1372 | udelay(5); | |
1373 | outl(cr6_data, ioaddr + DCR6); | |
1374 | udelay(5); | |
1375 | } | |
1376 | ||
1377 | ||
1378 | /* | |
1379 | * Send a setup frame for DM9132 | |
1380 | * This setup frame initilize DM910X address filter mode | |
1381 | */ | |
1382 | ||
1383 | static void dm9132_id_table(struct DEVICE *dev, int mc_cnt) | |
1384 | { | |
1385 | struct dev_mc_list *mcptr; | |
1386 | u16 * addrptr; | |
1387 | unsigned long ioaddr = dev->base_addr+0xc0; /* ID Table */ | |
1388 | u32 hash_val; | |
1389 | u16 i, hash_table[4]; | |
1390 | ||
1391 | DMFE_DBUG(0, "dm9132_id_table()", 0); | |
1392 | ||
1393 | /* Node address */ | |
1394 | addrptr = (u16 *) dev->dev_addr; | |
1395 | outw(addrptr[0], ioaddr); | |
1396 | ioaddr += 4; | |
1397 | outw(addrptr[1], ioaddr); | |
1398 | ioaddr += 4; | |
1399 | outw(addrptr[2], ioaddr); | |
1400 | ioaddr += 4; | |
1401 | ||
1402 | /* Clear Hash Table */ | |
1403 | for (i = 0; i < 4; i++) | |
1404 | hash_table[i] = 0x0; | |
1405 | ||
1406 | /* broadcast address */ | |
1407 | hash_table[3] = 0x8000; | |
1408 | ||
1409 | /* the multicast address in Hash Table : 64 bits */ | |
1410 | for (mcptr = dev->mc_list, i = 0; i < mc_cnt; i++, mcptr = mcptr->next) { | |
1411 | hash_val = cal_CRC( (char *) mcptr->dmi_addr, 6, 0) & 0x3f; | |
1412 | hash_table[hash_val / 16] |= (u16) 1 << (hash_val % 16); | |
1413 | } | |
1414 | ||
1415 | /* Write the hash table to MAC MD table */ | |
1416 | for (i = 0; i < 4; i++, ioaddr += 4) | |
1417 | outw(hash_table[i], ioaddr); | |
1418 | } | |
1419 | ||
1420 | ||
1421 | /* | |
1422 | * Send a setup frame for DM9102/DM9102A | |
1423 | * This setup frame initilize DM910X address filter mode | |
1424 | */ | |
1425 | ||
1426 | static void send_filter_frame(struct DEVICE *dev, int mc_cnt) | |
1427 | { | |
1428 | struct dmfe_board_info *db = netdev_priv(dev); | |
1429 | struct dev_mc_list *mcptr; | |
1430 | struct tx_desc *txptr; | |
1431 | u16 * addrptr; | |
1432 | u32 * suptr; | |
1433 | int i; | |
1434 | ||
1435 | DMFE_DBUG(0, "send_filter_frame()", 0); | |
1436 | ||
1437 | txptr = db->tx_insert_ptr; | |
1438 | suptr = (u32 *) txptr->tx_buf_ptr; | |
1439 | ||
1440 | /* Node address */ | |
1441 | addrptr = (u16 *) dev->dev_addr; | |
1442 | *suptr++ = addrptr[0]; | |
1443 | *suptr++ = addrptr[1]; | |
1444 | *suptr++ = addrptr[2]; | |
1445 | ||
1446 | /* broadcast address */ | |
1447 | *suptr++ = 0xffff; | |
1448 | *suptr++ = 0xffff; | |
1449 | *suptr++ = 0xffff; | |
1450 | ||
1451 | /* fit the multicast address */ | |
1452 | for (mcptr = dev->mc_list, i = 0; i < mc_cnt; i++, mcptr = mcptr->next) { | |
1453 | addrptr = (u16 *) mcptr->dmi_addr; | |
1454 | *suptr++ = addrptr[0]; | |
1455 | *suptr++ = addrptr[1]; | |
1456 | *suptr++ = addrptr[2]; | |
1457 | } | |
1458 | ||
1459 | for (; i<14; i++) { | |
1460 | *suptr++ = 0xffff; | |
1461 | *suptr++ = 0xffff; | |
1462 | *suptr++ = 0xffff; | |
1463 | } | |
1464 | ||
1465 | /* prepare the setup frame */ | |
1466 | db->tx_insert_ptr = txptr->next_tx_desc; | |
1467 | txptr->tdes1 = cpu_to_le32(0x890000c0); | |
1468 | ||
1469 | /* Resource Check and Send the setup packet */ | |
1470 | if (!db->tx_packet_cnt) { | |
1471 | /* Resource Empty */ | |
1472 | db->tx_packet_cnt++; | |
1473 | txptr->tdes0 = cpu_to_le32(0x80000000); | |
1474 | update_cr6(db->cr6_data | 0x2000, dev->base_addr); | |
1475 | outl(0x1, dev->base_addr + DCR1); /* Issue Tx polling */ | |
1476 | update_cr6(db->cr6_data, dev->base_addr); | |
1477 | dev->trans_start = jiffies; | |
1478 | } else | |
1479 | db->tx_queue_cnt++; /* Put in TX queue */ | |
1480 | } | |
1481 | ||
1482 | ||
1483 | /* | |
1484 | * Allocate rx buffer, | |
1485 | * As possible as allocate maxiumn Rx buffer | |
1486 | */ | |
1487 | ||
1488 | static void allocate_rx_buffer(struct dmfe_board_info *db) | |
1489 | { | |
1490 | struct rx_desc *rxptr; | |
1491 | struct sk_buff *skb; | |
1492 | ||
1493 | rxptr = db->rx_insert_ptr; | |
1494 | ||
1495 | while(db->rx_avail_cnt < RX_DESC_CNT) { | |
1496 | if ( ( skb = dev_alloc_skb(RX_ALLOC_SIZE) ) == NULL ) | |
1497 | break; | |
1498 | rxptr->rx_skb_ptr = skb; /* FIXME (?) */ | |
f67ba792 ML |
1499 | rxptr->rdes2 = cpu_to_le32( pci_map_single(db->pdev, skb->data, |
1500 | RX_ALLOC_SIZE, PCI_DMA_FROMDEVICE) ); | |
1da177e4 LT |
1501 | wmb(); |
1502 | rxptr->rdes0 = cpu_to_le32(0x80000000); | |
1503 | rxptr = rxptr->next_rx_desc; | |
1504 | db->rx_avail_cnt++; | |
1505 | } | |
1506 | ||
1507 | db->rx_insert_ptr = rxptr; | |
1508 | } | |
1509 | ||
1510 | ||
1511 | /* | |
1512 | * Read one word data from the serial ROM | |
1513 | */ | |
1514 | ||
1515 | static u16 read_srom_word(long ioaddr, int offset) | |
1516 | { | |
1517 | int i; | |
1518 | u16 srom_data = 0; | |
1519 | long cr9_ioaddr = ioaddr + DCR9; | |
1520 | ||
1521 | outl(CR9_SROM_READ, cr9_ioaddr); | |
1522 | outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr); | |
1523 | ||
1524 | /* Send the Read Command 110b */ | |
1525 | SROM_CLK_WRITE(SROM_DATA_1, cr9_ioaddr); | |
1526 | SROM_CLK_WRITE(SROM_DATA_1, cr9_ioaddr); | |
1527 | SROM_CLK_WRITE(SROM_DATA_0, cr9_ioaddr); | |
1528 | ||
1529 | /* Send the offset */ | |
1530 | for (i = 5; i >= 0; i--) { | |
1531 | srom_data = (offset & (1 << i)) ? SROM_DATA_1 : SROM_DATA_0; | |
1532 | SROM_CLK_WRITE(srom_data, cr9_ioaddr); | |
1533 | } | |
1534 | ||
1535 | outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr); | |
1536 | ||
1537 | for (i = 16; i > 0; i--) { | |
1538 | outl(CR9_SROM_READ | CR9_SRCS | CR9_SRCLK, cr9_ioaddr); | |
1539 | udelay(5); | |
f67ba792 ML |
1540 | srom_data = (srom_data << 1) | |
1541 | ((inl(cr9_ioaddr) & CR9_CRDOUT) ? 1 : 0); | |
1da177e4 LT |
1542 | outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr); |
1543 | udelay(5); | |
1544 | } | |
1545 | ||
1546 | outl(CR9_SROM_READ, cr9_ioaddr); | |
1547 | return srom_data; | |
1548 | } | |
1549 | ||
1550 | ||
1551 | /* | |
1552 | * Auto sense the media mode | |
1553 | */ | |
1554 | ||
1555 | static u8 dmfe_sense_speed(struct dmfe_board_info * db) | |
1556 | { | |
1557 | u8 ErrFlag = 0; | |
1558 | u16 phy_mode; | |
1559 | ||
1560 | /* CR6 bit18=0, select 10/100M */ | |
1561 | update_cr6( (db->cr6_data & ~0x40000), db->ioaddr); | |
1562 | ||
1563 | phy_mode = phy_read(db->ioaddr, db->phy_addr, 1, db->chip_id); | |
1564 | phy_mode = phy_read(db->ioaddr, db->phy_addr, 1, db->chip_id); | |
1565 | ||
1566 | if ( (phy_mode & 0x24) == 0x24 ) { | |
1567 | if (db->chip_id == PCI_DM9132_ID) /* DM9132 */ | |
f67ba792 ML |
1568 | phy_mode = phy_read(db->ioaddr, |
1569 | db->phy_addr, 7, db->chip_id) & 0xf000; | |
1da177e4 | 1570 | else /* DM9102/DM9102A */ |
f67ba792 ML |
1571 | phy_mode = phy_read(db->ioaddr, |
1572 | db->phy_addr, 17, db->chip_id) & 0xf000; | |
1da177e4 LT |
1573 | /* printk(DRV_NAME ": Phy_mode %x ",phy_mode); */ |
1574 | switch (phy_mode) { | |
1575 | case 0x1000: db->op_mode = DMFE_10MHF; break; | |
1576 | case 0x2000: db->op_mode = DMFE_10MFD; break; | |
1577 | case 0x4000: db->op_mode = DMFE_100MHF; break; | |
1578 | case 0x8000: db->op_mode = DMFE_100MFD; break; | |
1579 | default: db->op_mode = DMFE_10MHF; | |
1580 | ErrFlag = 1; | |
1581 | break; | |
1582 | } | |
1583 | } else { | |
1584 | db->op_mode = DMFE_10MHF; | |
1585 | DMFE_DBUG(0, "Link Failed :", phy_mode); | |
1586 | ErrFlag = 1; | |
1587 | } | |
1588 | ||
1589 | return ErrFlag; | |
1590 | } | |
1591 | ||
1592 | ||
1593 | /* | |
1594 | * Set 10/100 phyxcer capability | |
1595 | * AUTO mode : phyxcer register4 is NIC capability | |
1596 | * Force mode: phyxcer register4 is the force media | |
1597 | */ | |
1598 | ||
1599 | static void dmfe_set_phyxcer(struct dmfe_board_info *db) | |
1600 | { | |
1601 | u16 phy_reg; | |
1602 | ||
1603 | /* Select 10/100M phyxcer */ | |
1604 | db->cr6_data &= ~0x40000; | |
1605 | update_cr6(db->cr6_data, db->ioaddr); | |
1606 | ||
1607 | /* DM9009 Chip: Phyxcer reg18 bit12=0 */ | |
1608 | if (db->chip_id == PCI_DM9009_ID) { | |
f67ba792 ML |
1609 | phy_reg = phy_read(db->ioaddr, |
1610 | db->phy_addr, 18, db->chip_id) & ~0x1000; | |
1611 | ||
1612 | phy_write(db->ioaddr, | |
1613 | db->phy_addr, 18, phy_reg, db->chip_id); | |
1da177e4 LT |
1614 | } |
1615 | ||
1616 | /* Phyxcer capability setting */ | |
1617 | phy_reg = phy_read(db->ioaddr, db->phy_addr, 4, db->chip_id) & ~0x01e0; | |
1618 | ||
1619 | if (db->media_mode & DMFE_AUTO) { | |
1620 | /* AUTO Mode */ | |
1621 | phy_reg |= db->PHY_reg4; | |
1622 | } else { | |
1623 | /* Force Mode */ | |
1624 | switch(db->media_mode) { | |
1625 | case DMFE_10MHF: phy_reg |= 0x20; break; | |
1626 | case DMFE_10MFD: phy_reg |= 0x40; break; | |
1627 | case DMFE_100MHF: phy_reg |= 0x80; break; | |
1628 | case DMFE_100MFD: phy_reg |= 0x100; break; | |
1629 | } | |
1630 | if (db->chip_id == PCI_DM9009_ID) phy_reg &= 0x61; | |
1631 | } | |
1632 | ||
1633 | /* Write new capability to Phyxcer Reg4 */ | |
1634 | if ( !(phy_reg & 0x01e0)) { | |
1635 | phy_reg|=db->PHY_reg4; | |
1636 | db->media_mode|=DMFE_AUTO; | |
1637 | } | |
1638 | phy_write(db->ioaddr, db->phy_addr, 4, phy_reg, db->chip_id); | |
1639 | ||
1640 | /* Restart Auto-Negotiation */ | |
1641 | if ( db->chip_type && (db->chip_id == PCI_DM9102_ID) ) | |
1642 | phy_write(db->ioaddr, db->phy_addr, 0, 0x1800, db->chip_id); | |
1643 | if ( !db->chip_type ) | |
1644 | phy_write(db->ioaddr, db->phy_addr, 0, 0x1200, db->chip_id); | |
1645 | } | |
1646 | ||
1647 | ||
1648 | /* | |
1649 | * Process op-mode | |
1650 | * AUTO mode : PHY controller in Auto-negotiation Mode | |
1651 | * Force mode: PHY controller in force mode with HUB | |
1652 | * N-way force capability with SWITCH | |
1653 | */ | |
1654 | ||
1655 | static void dmfe_process_mode(struct dmfe_board_info *db) | |
1656 | { | |
1657 | u16 phy_reg; | |
1658 | ||
1659 | /* Full Duplex Mode Check */ | |
1660 | if (db->op_mode & 0x4) | |
1661 | db->cr6_data |= CR6_FDM; /* Set Full Duplex Bit */ | |
1662 | else | |
1663 | db->cr6_data &= ~CR6_FDM; /* Clear Full Duplex Bit */ | |
1664 | ||
1665 | /* Transciver Selection */ | |
1666 | if (db->op_mode & 0x10) /* 1M HomePNA */ | |
1667 | db->cr6_data |= 0x40000;/* External MII select */ | |
1668 | else | |
1669 | db->cr6_data &= ~0x40000;/* Internal 10/100 transciver */ | |
1670 | ||
1671 | update_cr6(db->cr6_data, db->ioaddr); | |
1672 | ||
1673 | /* 10/100M phyxcer force mode need */ | |
1674 | if ( !(db->media_mode & 0x18)) { | |
1675 | /* Forece Mode */ | |
1676 | phy_reg = phy_read(db->ioaddr, db->phy_addr, 6, db->chip_id); | |
1677 | if ( !(phy_reg & 0x1) ) { | |
1678 | /* parter without N-Way capability */ | |
1679 | phy_reg = 0x0; | |
1680 | switch(db->op_mode) { | |
1681 | case DMFE_10MHF: phy_reg = 0x0; break; | |
1682 | case DMFE_10MFD: phy_reg = 0x100; break; | |
1683 | case DMFE_100MHF: phy_reg = 0x2000; break; | |
1684 | case DMFE_100MFD: phy_reg = 0x2100; break; | |
1685 | } | |
f67ba792 ML |
1686 | phy_write(db->ioaddr, |
1687 | db->phy_addr, 0, phy_reg, db->chip_id); | |
1da177e4 LT |
1688 | if ( db->chip_type && (db->chip_id == PCI_DM9102_ID) ) |
1689 | mdelay(20); | |
f67ba792 ML |
1690 | phy_write(db->ioaddr, |
1691 | db->phy_addr, 0, phy_reg, db->chip_id); | |
1da177e4 LT |
1692 | } |
1693 | } | |
1694 | } | |
1695 | ||
1696 | ||
1697 | /* | |
1698 | * Write a word to Phy register | |
1699 | */ | |
1700 | ||
f67ba792 ML |
1701 | static void phy_write(unsigned long iobase, u8 phy_addr, u8 offset, |
1702 | u16 phy_data, u32 chip_id) | |
1da177e4 LT |
1703 | { |
1704 | u16 i; | |
1705 | unsigned long ioaddr; | |
1706 | ||
1707 | if (chip_id == PCI_DM9132_ID) { | |
1708 | ioaddr = iobase + 0x80 + offset * 4; | |
1709 | outw(phy_data, ioaddr); | |
1710 | } else { | |
1711 | /* DM9102/DM9102A Chip */ | |
1712 | ioaddr = iobase + DCR9; | |
1713 | ||
1714 | /* Send 33 synchronization clock to Phy controller */ | |
1715 | for (i = 0; i < 35; i++) | |
1716 | phy_write_1bit(ioaddr, PHY_DATA_1); | |
1717 | ||
1718 | /* Send start command(01) to Phy */ | |
1719 | phy_write_1bit(ioaddr, PHY_DATA_0); | |
1720 | phy_write_1bit(ioaddr, PHY_DATA_1); | |
1721 | ||
1722 | /* Send write command(01) to Phy */ | |
1723 | phy_write_1bit(ioaddr, PHY_DATA_0); | |
1724 | phy_write_1bit(ioaddr, PHY_DATA_1); | |
1725 | ||
1726 | /* Send Phy address */ | |
1727 | for (i = 0x10; i > 0; i = i >> 1) | |
f67ba792 ML |
1728 | phy_write_1bit(ioaddr, |
1729 | phy_addr & i ? PHY_DATA_1 : PHY_DATA_0); | |
1da177e4 LT |
1730 | |
1731 | /* Send register address */ | |
1732 | for (i = 0x10; i > 0; i = i >> 1) | |
f67ba792 ML |
1733 | phy_write_1bit(ioaddr, |
1734 | offset & i ? PHY_DATA_1 : PHY_DATA_0); | |
1da177e4 LT |
1735 | |
1736 | /* written trasnition */ | |
1737 | phy_write_1bit(ioaddr, PHY_DATA_1); | |
1738 | phy_write_1bit(ioaddr, PHY_DATA_0); | |
1739 | ||
1740 | /* Write a word data to PHY controller */ | |
1741 | for ( i = 0x8000; i > 0; i >>= 1) | |
f67ba792 ML |
1742 | phy_write_1bit(ioaddr, |
1743 | phy_data & i ? PHY_DATA_1 : PHY_DATA_0); | |
1da177e4 LT |
1744 | } |
1745 | } | |
1746 | ||
1747 | ||
1748 | /* | |
1749 | * Read a word data from phy register | |
1750 | */ | |
1751 | ||
1752 | static u16 phy_read(unsigned long iobase, u8 phy_addr, u8 offset, u32 chip_id) | |
1753 | { | |
1754 | int i; | |
1755 | u16 phy_data; | |
1756 | unsigned long ioaddr; | |
1757 | ||
1758 | if (chip_id == PCI_DM9132_ID) { | |
1759 | /* DM9132 Chip */ | |
1760 | ioaddr = iobase + 0x80 + offset * 4; | |
1761 | phy_data = inw(ioaddr); | |
1762 | } else { | |
1763 | /* DM9102/DM9102A Chip */ | |
1764 | ioaddr = iobase + DCR9; | |
1765 | ||
1766 | /* Send 33 synchronization clock to Phy controller */ | |
1767 | for (i = 0; i < 35; i++) | |
1768 | phy_write_1bit(ioaddr, PHY_DATA_1); | |
1769 | ||
1770 | /* Send start command(01) to Phy */ | |
1771 | phy_write_1bit(ioaddr, PHY_DATA_0); | |
1772 | phy_write_1bit(ioaddr, PHY_DATA_1); | |
1773 | ||
1774 | /* Send read command(10) to Phy */ | |
1775 | phy_write_1bit(ioaddr, PHY_DATA_1); | |
1776 | phy_write_1bit(ioaddr, PHY_DATA_0); | |
1777 | ||
1778 | /* Send Phy address */ | |
1779 | for (i = 0x10; i > 0; i = i >> 1) | |
f67ba792 ML |
1780 | phy_write_1bit(ioaddr, |
1781 | phy_addr & i ? PHY_DATA_1 : PHY_DATA_0); | |
1da177e4 LT |
1782 | |
1783 | /* Send register address */ | |
1784 | for (i = 0x10; i > 0; i = i >> 1) | |
f67ba792 ML |
1785 | phy_write_1bit(ioaddr, |
1786 | offset & i ? PHY_DATA_1 : PHY_DATA_0); | |
1da177e4 LT |
1787 | |
1788 | /* Skip transition state */ | |
1789 | phy_read_1bit(ioaddr); | |
1790 | ||
1791 | /* read 16bit data */ | |
1792 | for (phy_data = 0, i = 0; i < 16; i++) { | |
1793 | phy_data <<= 1; | |
1794 | phy_data |= phy_read_1bit(ioaddr); | |
1795 | } | |
1796 | } | |
1797 | ||
1798 | return phy_data; | |
1799 | } | |
1800 | ||
1801 | ||
1802 | /* | |
1803 | * Write one bit data to Phy Controller | |
1804 | */ | |
1805 | ||
1806 | static void phy_write_1bit(unsigned long ioaddr, u32 phy_data) | |
1807 | { | |
1808 | outl(phy_data, ioaddr); /* MII Clock Low */ | |
1809 | udelay(1); | |
1810 | outl(phy_data | MDCLKH, ioaddr); /* MII Clock High */ | |
1811 | udelay(1); | |
1812 | outl(phy_data, ioaddr); /* MII Clock Low */ | |
1813 | udelay(1); | |
1814 | } | |
1815 | ||
1816 | ||
1817 | /* | |
1818 | * Read one bit phy data from PHY controller | |
1819 | */ | |
1820 | ||
1821 | static u16 phy_read_1bit(unsigned long ioaddr) | |
1822 | { | |
1823 | u16 phy_data; | |
1824 | ||
1825 | outl(0x50000, ioaddr); | |
1826 | udelay(1); | |
1827 | phy_data = ( inl(ioaddr) >> 19 ) & 0x1; | |
1828 | outl(0x40000, ioaddr); | |
1829 | udelay(1); | |
1830 | ||
1831 | return phy_data; | |
1832 | } | |
1833 | ||
1834 | ||
1835 | /* | |
1836 | * Parser SROM and media mode | |
1837 | */ | |
1838 | ||
1839 | static void dmfe_parse_srom(struct dmfe_board_info * db) | |
1840 | { | |
1841 | char * srom = db->srom; | |
1842 | int dmfe_mode, tmp_reg; | |
1843 | ||
1844 | DMFE_DBUG(0, "dmfe_parse_srom() ", 0); | |
1845 | ||
1846 | /* Init CR15 */ | |
1847 | db->cr15_data = CR15_DEFAULT; | |
1848 | ||
1849 | /* Check SROM Version */ | |
1850 | if ( ( (int) srom[18] & 0xff) == SROM_V41_CODE) { | |
1851 | /* SROM V4.01 */ | |
1852 | /* Get NIC support media mode */ | |
16b110c3 | 1853 | db->NIC_capability = le16_to_cpup((__le16 *)srom + 34/2); |
1da177e4 LT |
1854 | db->PHY_reg4 = 0; |
1855 | for (tmp_reg = 1; tmp_reg < 0x10; tmp_reg <<= 1) { | |
1856 | switch( db->NIC_capability & tmp_reg ) { | |
1857 | case 0x1: db->PHY_reg4 |= 0x0020; break; | |
1858 | case 0x2: db->PHY_reg4 |= 0x0040; break; | |
1859 | case 0x4: db->PHY_reg4 |= 0x0080; break; | |
1860 | case 0x8: db->PHY_reg4 |= 0x0100; break; | |
1861 | } | |
1862 | } | |
1863 | ||
1864 | /* Media Mode Force or not check */ | |
16b110c3 AM |
1865 | dmfe_mode = le32_to_cpup((__le32 *)srom + 34/4) & |
1866 | le32_to_cpup((__le32 *)srom + 36/4); | |
1da177e4 LT |
1867 | switch(dmfe_mode) { |
1868 | case 0x4: dmfe_media_mode = DMFE_100MHF; break; /* 100MHF */ | |
1869 | case 0x2: dmfe_media_mode = DMFE_10MFD; break; /* 10MFD */ | |
1870 | case 0x8: dmfe_media_mode = DMFE_100MFD; break; /* 100MFD */ | |
1871 | case 0x100: | |
1872 | case 0x200: dmfe_media_mode = DMFE_1M_HPNA; break;/* HomePNA */ | |
1873 | } | |
1874 | ||
1875 | /* Special Function setting */ | |
1876 | /* VLAN function */ | |
1877 | if ( (SF_mode & 0x1) || (srom[43] & 0x80) ) | |
1878 | db->cr15_data |= 0x40; | |
1879 | ||
1880 | /* Flow Control */ | |
1881 | if ( (SF_mode & 0x2) || (srom[40] & 0x1) ) | |
1882 | db->cr15_data |= 0x400; | |
1883 | ||
1884 | /* TX pause packet */ | |
1885 | if ( (SF_mode & 0x4) || (srom[40] & 0xe) ) | |
1886 | db->cr15_data |= 0x9800; | |
1887 | } | |
1888 | ||
1889 | /* Parse HPNA parameter */ | |
1890 | db->HPNA_command = 1; | |
1891 | ||
1892 | /* Accept remote command or not */ | |
1893 | if (HPNA_rx_cmd == 0) | |
1894 | db->HPNA_command |= 0x8000; | |
1895 | ||
1896 | /* Issue remote command & operation mode */ | |
1897 | if (HPNA_tx_cmd == 1) | |
1898 | switch(HPNA_mode) { /* Issue Remote Command */ | |
1899 | case 0: db->HPNA_command |= 0x0904; break; | |
1900 | case 1: db->HPNA_command |= 0x0a00; break; | |
1901 | case 2: db->HPNA_command |= 0x0506; break; | |
1902 | case 3: db->HPNA_command |= 0x0602; break; | |
1903 | } | |
1904 | else | |
1905 | switch(HPNA_mode) { /* Don't Issue */ | |
1906 | case 0: db->HPNA_command |= 0x0004; break; | |
1907 | case 1: db->HPNA_command |= 0x0000; break; | |
1908 | case 2: db->HPNA_command |= 0x0006; break; | |
1909 | case 3: db->HPNA_command |= 0x0002; break; | |
1910 | } | |
1911 | ||
1912 | /* Check DM9801 or DM9802 present or not */ | |
1913 | db->HPNA_present = 0; | |
1914 | update_cr6(db->cr6_data|0x40000, db->ioaddr); | |
1915 | tmp_reg = phy_read(db->ioaddr, db->phy_addr, 3, db->chip_id); | |
1916 | if ( ( tmp_reg & 0xfff0 ) == 0xb900 ) { | |
1917 | /* DM9801 or DM9802 present */ | |
1918 | db->HPNA_timer = 8; | |
1919 | if ( phy_read(db->ioaddr, db->phy_addr, 31, db->chip_id) == 0x4404) { | |
1920 | /* DM9801 HomeRun */ | |
1921 | db->HPNA_present = 1; | |
1922 | dmfe_program_DM9801(db, tmp_reg); | |
1923 | } else { | |
1924 | /* DM9802 LongRun */ | |
1925 | db->HPNA_present = 2; | |
1926 | dmfe_program_DM9802(db); | |
1927 | } | |
1928 | } | |
1929 | ||
1930 | } | |
1931 | ||
1932 | ||
1933 | /* | |
1934 | * Init HomeRun DM9801 | |
1935 | */ | |
1936 | ||
1937 | static void dmfe_program_DM9801(struct dmfe_board_info * db, int HPNA_rev) | |
1938 | { | |
1939 | uint reg17, reg25; | |
1940 | ||
1941 | if ( !HPNA_NoiseFloor ) HPNA_NoiseFloor = DM9801_NOISE_FLOOR; | |
1942 | switch(HPNA_rev) { | |
1943 | case 0xb900: /* DM9801 E3 */ | |
1944 | db->HPNA_command |= 0x1000; | |
1945 | reg25 = phy_read(db->ioaddr, db->phy_addr, 24, db->chip_id); | |
1946 | reg25 = ( (reg25 + HPNA_NoiseFloor) & 0xff) | 0xf000; | |
1947 | reg17 = phy_read(db->ioaddr, db->phy_addr, 17, db->chip_id); | |
1948 | break; | |
1949 | case 0xb901: /* DM9801 E4 */ | |
1950 | reg25 = phy_read(db->ioaddr, db->phy_addr, 25, db->chip_id); | |
1951 | reg25 = (reg25 & 0xff00) + HPNA_NoiseFloor; | |
1952 | reg17 = phy_read(db->ioaddr, db->phy_addr, 17, db->chip_id); | |
1953 | reg17 = (reg17 & 0xfff0) + HPNA_NoiseFloor + 3; | |
1954 | break; | |
1955 | case 0xb902: /* DM9801 E5 */ | |
1956 | case 0xb903: /* DM9801 E6 */ | |
1957 | default: | |
1958 | db->HPNA_command |= 0x1000; | |
1959 | reg25 = phy_read(db->ioaddr, db->phy_addr, 25, db->chip_id); | |
1960 | reg25 = (reg25 & 0xff00) + HPNA_NoiseFloor - 5; | |
1961 | reg17 = phy_read(db->ioaddr, db->phy_addr, 17, db->chip_id); | |
1962 | reg17 = (reg17 & 0xfff0) + HPNA_NoiseFloor; | |
1963 | break; | |
1964 | } | |
1965 | phy_write(db->ioaddr, db->phy_addr, 16, db->HPNA_command, db->chip_id); | |
1966 | phy_write(db->ioaddr, db->phy_addr, 17, reg17, db->chip_id); | |
1967 | phy_write(db->ioaddr, db->phy_addr, 25, reg25, db->chip_id); | |
1968 | } | |
1969 | ||
1970 | ||
1971 | /* | |
1972 | * Init HomeRun DM9802 | |
1973 | */ | |
1974 | ||
1975 | static void dmfe_program_DM9802(struct dmfe_board_info * db) | |
1976 | { | |
1977 | uint phy_reg; | |
1978 | ||
1979 | if ( !HPNA_NoiseFloor ) HPNA_NoiseFloor = DM9802_NOISE_FLOOR; | |
1980 | phy_write(db->ioaddr, db->phy_addr, 16, db->HPNA_command, db->chip_id); | |
1981 | phy_reg = phy_read(db->ioaddr, db->phy_addr, 25, db->chip_id); | |
1982 | phy_reg = ( phy_reg & 0xff00) + HPNA_NoiseFloor; | |
1983 | phy_write(db->ioaddr, db->phy_addr, 25, phy_reg, db->chip_id); | |
1984 | } | |
1985 | ||
1986 | ||
1987 | /* | |
1988 | * Check remote HPNA power and speed status. If not correct, | |
1989 | * issue command again. | |
1990 | */ | |
1991 | ||
1992 | static void dmfe_HPNA_remote_cmd_chk(struct dmfe_board_info * db) | |
1993 | { | |
1994 | uint phy_reg; | |
1995 | ||
1996 | /* Got remote device status */ | |
1997 | phy_reg = phy_read(db->ioaddr, db->phy_addr, 17, db->chip_id) & 0x60; | |
1998 | switch(phy_reg) { | |
1999 | case 0x00: phy_reg = 0x0a00;break; /* LP/LS */ | |
2000 | case 0x20: phy_reg = 0x0900;break; /* LP/HS */ | |
2001 | case 0x40: phy_reg = 0x0600;break; /* HP/LS */ | |
2002 | case 0x60: phy_reg = 0x0500;break; /* HP/HS */ | |
2003 | } | |
2004 | ||
2005 | /* Check remote device status match our setting ot not */ | |
2006 | if ( phy_reg != (db->HPNA_command & 0x0f00) ) { | |
f67ba792 ML |
2007 | phy_write(db->ioaddr, db->phy_addr, 16, db->HPNA_command, |
2008 | db->chip_id); | |
1da177e4 LT |
2009 | db->HPNA_timer=8; |
2010 | } else | |
2011 | db->HPNA_timer=600; /* Match, every 10 minutes, check */ | |
2012 | } | |
2013 | ||
2014 | ||
2015 | ||
2016 | static struct pci_device_id dmfe_pci_tbl[] = { | |
2017 | { 0x1282, 0x9132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_DM9132_ID }, | |
2018 | { 0x1282, 0x9102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_DM9102_ID }, | |
2019 | { 0x1282, 0x9100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_DM9100_ID }, | |
2020 | { 0x1282, 0x9009, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_DM9009_ID }, | |
2021 | { 0, } | |
2022 | }; | |
2023 | MODULE_DEVICE_TABLE(pci, dmfe_pci_tbl); | |
2024 | ||
2025 | ||
2026 | static struct pci_driver dmfe_driver = { | |
2027 | .name = "dmfe", | |
2028 | .id_table = dmfe_pci_tbl, | |
2029 | .probe = dmfe_init_one, | |
2030 | .remove = __devexit_p(dmfe_remove_one), | |
2031 | }; | |
2032 | ||
2033 | MODULE_AUTHOR("Sten Wang, sten_wang@davicom.com.tw"); | |
2034 | MODULE_DESCRIPTION("Davicom DM910X fast ethernet driver"); | |
2035 | MODULE_LICENSE("GPL"); | |
2036 | MODULE_VERSION(DRV_VERSION); | |
2037 | ||
2038 | module_param(debug, int, 0); | |
2039 | module_param(mode, byte, 0); | |
2040 | module_param(cr6set, int, 0); | |
2041 | module_param(chkmode, byte, 0); | |
2042 | module_param(HPNA_mode, byte, 0); | |
2043 | module_param(HPNA_rx_cmd, byte, 0); | |
2044 | module_param(HPNA_tx_cmd, byte, 0); | |
2045 | module_param(HPNA_NoiseFloor, byte, 0); | |
2046 | module_param(SF_mode, byte, 0); | |
2047 | MODULE_PARM_DESC(debug, "Davicom DM9xxx enable debugging (0-1)"); | |
f67ba792 ML |
2048 | MODULE_PARM_DESC(mode, "Davicom DM9xxx: " |
2049 | "Bit 0: 10/100Mbps, bit 2: duplex, bit 8: HomePNA"); | |
2050 | ||
2051 | MODULE_PARM_DESC(SF_mode, "Davicom DM9xxx special function " | |
2052 | "(bit 0: VLAN, bit 1 Flow Control, bit 2: TX pause packet)"); | |
1da177e4 LT |
2053 | |
2054 | /* Description: | |
2055 | * when user used insmod to add module, system invoked init_module() | |
2056 | * to initilize and register. | |
2057 | */ | |
2058 | ||
2059 | static int __init dmfe_init_module(void) | |
2060 | { | |
2061 | int rc; | |
2062 | ||
2063 | printk(version); | |
2064 | printed_version = 1; | |
2065 | ||
2066 | DMFE_DBUG(0, "init_module() ", debug); | |
2067 | ||
2068 | if (debug) | |
2069 | dmfe_debug = debug; /* set debug flag */ | |
2070 | if (cr6set) | |
2071 | dmfe_cr6_user_set = cr6set; | |
2072 | ||
2073 | switch(mode) { | |
2074 | case DMFE_10MHF: | |
2075 | case DMFE_100MHF: | |
2076 | case DMFE_10MFD: | |
2077 | case DMFE_100MFD: | |
2078 | case DMFE_1M_HPNA: | |
2079 | dmfe_media_mode = mode; | |
2080 | break; | |
2081 | default:dmfe_media_mode = DMFE_AUTO; | |
2082 | break; | |
2083 | } | |
2084 | ||
2085 | if (HPNA_mode > 4) | |
2086 | HPNA_mode = 0; /* Default: LP/HS */ | |
2087 | if (HPNA_rx_cmd > 1) | |
2088 | HPNA_rx_cmd = 0; /* Default: Ignored remote cmd */ | |
2089 | if (HPNA_tx_cmd > 1) | |
2090 | HPNA_tx_cmd = 0; /* Default: Don't issue remote cmd */ | |
2091 | if (HPNA_NoiseFloor > 15) | |
2092 | HPNA_NoiseFloor = 0; | |
2093 | ||
29917620 | 2094 | rc = pci_register_driver(&dmfe_driver); |
1da177e4 LT |
2095 | if (rc < 0) |
2096 | return rc; | |
2097 | ||
2098 | return 0; | |
2099 | } | |
2100 | ||
2101 | ||
2102 | /* | |
2103 | * Description: | |
2104 | * when user used rmmod to delete module, system invoked clean_module() | |
2105 | * to un-register all registered services. | |
2106 | */ | |
2107 | ||
2108 | static void __exit dmfe_cleanup_module(void) | |
2109 | { | |
2110 | DMFE_DBUG(0, "dmfe_clean_module() ", debug); | |
2111 | pci_unregister_driver(&dmfe_driver); | |
2112 | } | |
2113 | ||
2114 | module_init(dmfe_init_module); | |
2115 | module_exit(dmfe_cleanup_module); |