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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 | ||
113aa838 | 26 | Alan Cox <alan@lxorguk.ukuu.org.uk> : |
1da177e4 LT |
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 | ||
113aa838 | 52 | Alan Cox <alan@lxorguk.ukuu.org.uk> |
f3b197ac | 53 | Added new PCI identifiers provided by Clear Zhang at ALi |
1da177e4 LT |
54 | for their 1563 ethernet device. |
55 | ||
56 | TODO | |
57 | ||
1da177e4 LT |
58 | Check on 64 bit boxes. |
59 | Check and fix on big endian boxes. | |
60 | ||
61 | Test and make sure PCI latency is now correct for all cases. | |
62 | */ | |
63 | ||
64 | #define DRV_NAME "dmfe" | |
65 | #define DRV_VERSION "1.36.4" | |
66 | #define DRV_RELDATE "2002-01-17" | |
67 | ||
68 | #include <linux/module.h> | |
69 | #include <linux/kernel.h> | |
70 | #include <linux/string.h> | |
71 | #include <linux/timer.h> | |
72 | #include <linux/ptrace.h> | |
73 | #include <linux/errno.h> | |
74 | #include <linux/ioport.h> | |
75 | #include <linux/slab.h> | |
76 | #include <linux/interrupt.h> | |
77 | #include <linux/pci.h> | |
cb199d42 | 78 | #include <linux/dma-mapping.h> |
1da177e4 LT |
79 | #include <linux/init.h> |
80 | #include <linux/netdevice.h> | |
81 | #include <linux/etherdevice.h> | |
82 | #include <linux/ethtool.h> | |
83 | #include <linux/skbuff.h> | |
84 | #include <linux/delay.h> | |
85 | #include <linux/spinlock.h> | |
86 | #include <linux/crc32.h> | |
87 | #include <linux/bitops.h> | |
88 | ||
89 | #include <asm/processor.h> | |
90 | #include <asm/io.h> | |
91 | #include <asm/dma.h> | |
92 | #include <asm/uaccess.h> | |
93 | #include <asm/irq.h> | |
94 | ||
4d907069 BH |
95 | #ifdef CONFIG_TULIP_DM910X |
96 | #include <linux/of.h> | |
97 | #endif | |
98 | ||
1da177e4 LT |
99 | |
100 | /* Board/System/Debug information/definition ---------------- */ | |
101 | #define PCI_DM9132_ID 0x91321282 /* Davicom DM9132 ID */ | |
102 | #define PCI_DM9102_ID 0x91021282 /* Davicom DM9102 ID */ | |
103 | #define PCI_DM9100_ID 0x91001282 /* Davicom DM9100 ID */ | |
104 | #define PCI_DM9009_ID 0x90091282 /* Davicom DM9009 ID */ | |
105 | ||
106 | #define DM9102_IO_SIZE 0x80 | |
107 | #define DM9102A_IO_SIZE 0x100 | |
108 | #define TX_MAX_SEND_CNT 0x1 /* Maximum tx packet per time */ | |
109 | #define TX_DESC_CNT 0x10 /* Allocated Tx descriptors */ | |
110 | #define RX_DESC_CNT 0x20 /* Allocated Rx descriptors */ | |
111 | #define TX_FREE_DESC_CNT (TX_DESC_CNT - 2) /* Max TX packet count */ | |
112 | #define TX_WAKE_DESC_CNT (TX_DESC_CNT - 3) /* TX wakeup count */ | |
113 | #define DESC_ALL_CNT (TX_DESC_CNT + RX_DESC_CNT) | |
114 | #define TX_BUF_ALLOC 0x600 | |
115 | #define RX_ALLOC_SIZE 0x620 | |
116 | #define DM910X_RESET 1 | |
117 | #define CR0_DEFAULT 0x00E00000 /* TX & RX burst mode */ | |
118 | #define CR6_DEFAULT 0x00080000 /* HD */ | |
119 | #define CR7_DEFAULT 0x180c1 | |
120 | #define CR15_DEFAULT 0x06 /* TxJabber RxWatchdog */ | |
121 | #define TDES0_ERR_MASK 0x4302 /* TXJT, LC, EC, FUE */ | |
122 | #define MAX_PACKET_SIZE 1514 | |
123 | #define DMFE_MAX_MULTICAST 14 | |
124 | #define RX_COPY_SIZE 100 | |
125 | #define MAX_CHECK_PACKET 0x8000 | |
126 | #define DM9801_NOISE_FLOOR 8 | |
127 | #define DM9802_NOISE_FLOOR 5 | |
128 | ||
f1069046 ML |
129 | #define DMFE_WOL_LINKCHANGE 0x20000000 |
130 | #define DMFE_WOL_SAMPLEPACKET 0x10000000 | |
131 | #define DMFE_WOL_MAGICPACKET 0x08000000 | |
132 | ||
133 | ||
1da177e4 LT |
134 | #define DMFE_10MHF 0 |
135 | #define DMFE_100MHF 1 | |
136 | #define DMFE_10MFD 4 | |
137 | #define DMFE_100MFD 5 | |
138 | #define DMFE_AUTO 8 | |
139 | #define DMFE_1M_HPNA 0x10 | |
140 | ||
141 | #define DMFE_TXTH_72 0x400000 /* TX TH 72 byte */ | |
142 | #define DMFE_TXTH_96 0x404000 /* TX TH 96 byte */ | |
143 | #define DMFE_TXTH_128 0x0000 /* TX TH 128 byte */ | |
144 | #define DMFE_TXTH_256 0x4000 /* TX TH 256 byte */ | |
145 | #define DMFE_TXTH_512 0x8000 /* TX TH 512 byte */ | |
146 | #define DMFE_TXTH_1K 0xC000 /* TX TH 1K byte */ | |
147 | ||
148 | #define DMFE_TIMER_WUT (jiffies + HZ * 1)/* timer wakeup time : 1 second */ | |
149 | #define DMFE_TX_TIMEOUT ((3*HZ)/2) /* tx packet time-out time 1.5 s" */ | |
150 | #define DMFE_TX_KICK (HZ/2) /* tx packet Kick-out time 0.5 s" */ | |
151 | ||
f67ba792 ML |
152 | #define DMFE_DBUG(dbug_now, msg, value) \ |
153 | do { \ | |
154 | if (dmfe_debug || (dbug_now)) \ | |
155 | printk(KERN_ERR DRV_NAME ": %s %lx\n",\ | |
156 | (msg), (long) (value)); \ | |
157 | } while (0) | |
1da177e4 | 158 | |
f67ba792 ML |
159 | #define SHOW_MEDIA_TYPE(mode) \ |
160 | printk (KERN_INFO DRV_NAME ": Change Speed to %sMhz %s duplex\n" , \ | |
161 | (mode & 1) ? "100":"10", (mode & 4) ? "full":"half"); | |
1da177e4 LT |
162 | |
163 | ||
164 | /* CR9 definition: SROM/MII */ | |
165 | #define CR9_SROM_READ 0x4800 | |
166 | #define CR9_SRCS 0x1 | |
167 | #define CR9_SRCLK 0x2 | |
168 | #define CR9_CRDOUT 0x8 | |
169 | #define SROM_DATA_0 0x0 | |
170 | #define SROM_DATA_1 0x4 | |
171 | #define PHY_DATA_1 0x20000 | |
172 | #define PHY_DATA_0 0x00000 | |
173 | #define MDCLKH 0x10000 | |
174 | ||
175 | #define PHY_POWER_DOWN 0x800 | |
176 | ||
177 | #define SROM_V41_CODE 0x14 | |
178 | ||
f67ba792 ML |
179 | #define SROM_CLK_WRITE(data, ioaddr) \ |
180 | outl(data|CR9_SROM_READ|CR9_SRCS,ioaddr); \ | |
181 | udelay(5); \ | |
182 | outl(data|CR9_SROM_READ|CR9_SRCS|CR9_SRCLK,ioaddr); \ | |
183 | udelay(5); \ | |
184 | outl(data|CR9_SROM_READ|CR9_SRCS,ioaddr); \ | |
185 | udelay(5); | |
186 | ||
187 | #define __CHK_IO_SIZE(pci_id, dev_rev) \ | |
44c10138 | 188 | (( ((pci_id)==PCI_DM9132_ID) || ((dev_rev) >= 0x30) ) ? \ |
f67ba792 | 189 | DM9102A_IO_SIZE: DM9102_IO_SIZE) |
1da177e4 | 190 | |
44c10138 AK |
191 | #define CHK_IO_SIZE(pci_dev) \ |
192 | (__CHK_IO_SIZE(((pci_dev)->device << 16) | (pci_dev)->vendor, \ | |
193 | (pci_dev)->revision)) | |
1da177e4 LT |
194 | |
195 | /* Sten Check */ | |
196 | #define DEVICE net_device | |
197 | ||
198 | /* Structure/enum declaration ------------------------------- */ | |
199 | struct tx_desc { | |
a31e40f6 | 200 | __le32 tdes0, tdes1, tdes2, tdes3; /* Data for the card */ |
1da177e4 LT |
201 | char *tx_buf_ptr; /* Data for us */ |
202 | struct tx_desc *next_tx_desc; | |
203 | } __attribute__(( aligned(32) )); | |
204 | ||
205 | struct rx_desc { | |
a31e40f6 | 206 | __le32 rdes0, rdes1, rdes2, rdes3; /* Data for the card */ |
1da177e4 LT |
207 | struct sk_buff *rx_skb_ptr; /* Data for us */ |
208 | struct rx_desc *next_rx_desc; | |
209 | } __attribute__(( aligned(32) )); | |
210 | ||
211 | struct dmfe_board_info { | |
212 | u32 chip_id; /* Chip vendor/Device ID */ | |
44c10138 | 213 | u8 chip_revision; /* Chip revision */ |
ead9bffb | 214 | struct DEVICE *next_dev; /* next device */ |
1da177e4 LT |
215 | struct pci_dev *pdev; /* PCI device */ |
216 | spinlock_t lock; | |
217 | ||
218 | long ioaddr; /* I/O base address */ | |
219 | u32 cr0_data; | |
220 | u32 cr5_data; | |
221 | u32 cr6_data; | |
222 | u32 cr7_data; | |
223 | u32 cr15_data; | |
224 | ||
225 | /* pointer for memory physical address */ | |
226 | dma_addr_t buf_pool_dma_ptr; /* Tx buffer pool memory */ | |
227 | dma_addr_t buf_pool_dma_start; /* Tx buffer pool align dword */ | |
228 | dma_addr_t desc_pool_dma_ptr; /* descriptor pool memory */ | |
229 | dma_addr_t first_tx_desc_dma; | |
230 | dma_addr_t first_rx_desc_dma; | |
231 | ||
232 | /* descriptor pointer */ | |
233 | unsigned char *buf_pool_ptr; /* Tx buffer pool memory */ | |
234 | unsigned char *buf_pool_start; /* Tx buffer pool align dword */ | |
235 | unsigned char *desc_pool_ptr; /* descriptor pool memory */ | |
236 | struct tx_desc *first_tx_desc; | |
237 | struct tx_desc *tx_insert_ptr; | |
238 | struct tx_desc *tx_remove_ptr; | |
239 | struct rx_desc *first_rx_desc; | |
240 | struct rx_desc *rx_insert_ptr; | |
241 | struct rx_desc *rx_ready_ptr; /* packet come pointer */ | |
242 | unsigned long tx_packet_cnt; /* transmitted packet count */ | |
243 | unsigned long tx_queue_cnt; /* wait to send packet count */ | |
244 | unsigned long rx_avail_cnt; /* available rx descriptor count */ | |
245 | unsigned long interval_rx_cnt; /* rx packet count a callback time */ | |
246 | ||
247 | u16 HPNA_command; /* For HPNA register 16 */ | |
248 | u16 HPNA_timer; /* For HPNA remote device check */ | |
249 | u16 dbug_cnt; | |
250 | u16 NIC_capability; /* NIC media capability */ | |
251 | u16 PHY_reg4; /* Saved Phyxcer register 4 value */ | |
252 | ||
253 | u8 HPNA_present; /* 0:none, 1:DM9801, 2:DM9802 */ | |
254 | u8 chip_type; /* Keep DM9102A chip type */ | |
255 | u8 media_mode; /* user specify media mode */ | |
256 | u8 op_mode; /* real work media mode */ | |
257 | u8 phy_addr; | |
1da177e4 LT |
258 | u8 wait_reset; /* Hardware failed, need to reset */ |
259 | u8 dm910x_chk_mode; /* Operating mode check */ | |
260 | u8 first_in_callback; /* Flag to record state */ | |
f1069046 | 261 | u8 wol_mode; /* user WOL settings */ |
1da177e4 LT |
262 | struct timer_list timer; |
263 | ||
1da177e4 LT |
264 | /* Driver defined statistic counter */ |
265 | unsigned long tx_fifo_underrun; | |
266 | unsigned long tx_loss_carrier; | |
267 | unsigned long tx_no_carrier; | |
268 | unsigned long tx_late_collision; | |
269 | unsigned long tx_excessive_collision; | |
270 | unsigned long tx_jabber_timeout; | |
271 | unsigned long reset_count; | |
272 | unsigned long reset_cr8; | |
273 | unsigned long reset_fatal; | |
274 | unsigned long reset_TXtimeout; | |
275 | ||
276 | /* NIC SROM data */ | |
277 | unsigned char srom[128]; | |
278 | }; | |
279 | ||
280 | enum dmfe_offsets { | |
281 | DCR0 = 0x00, DCR1 = 0x08, DCR2 = 0x10, DCR3 = 0x18, DCR4 = 0x20, | |
282 | DCR5 = 0x28, DCR6 = 0x30, DCR7 = 0x38, DCR8 = 0x40, DCR9 = 0x48, | |
283 | DCR10 = 0x50, DCR11 = 0x58, DCR12 = 0x60, DCR13 = 0x68, DCR14 = 0x70, | |
284 | DCR15 = 0x78 | |
285 | }; | |
286 | ||
287 | enum dmfe_CR6_bits { | |
288 | CR6_RXSC = 0x2, CR6_PBF = 0x8, CR6_PM = 0x40, CR6_PAM = 0x80, | |
289 | CR6_FDM = 0x200, CR6_TXSC = 0x2000, CR6_STI = 0x100000, | |
290 | CR6_SFT = 0x200000, CR6_RXA = 0x40000000, CR6_NO_PURGE = 0x20000000 | |
291 | }; | |
292 | ||
293 | /* Global variable declaration ----------------------------- */ | |
294 | static int __devinitdata printed_version; | |
03f54b3d | 295 | static const char version[] __devinitconst = |
1da177e4 LT |
296 | KERN_INFO DRV_NAME ": Davicom DM9xxx net driver, version " |
297 | DRV_VERSION " (" DRV_RELDATE ")\n"; | |
298 | ||
299 | static int dmfe_debug; | |
300 | static unsigned char dmfe_media_mode = DMFE_AUTO; | |
301 | static u32 dmfe_cr6_user_set; | |
302 | ||
303 | /* For module input parameter */ | |
304 | static int debug; | |
305 | static u32 cr6set; | |
306 | static unsigned char mode = 8; | |
307 | static u8 chkmode = 1; | |
308 | static u8 HPNA_mode; /* Default: Low Power/High Speed */ | |
309 | static u8 HPNA_rx_cmd; /* Default: Disable Rx remote command */ | |
310 | static u8 HPNA_tx_cmd; /* Default: Don't issue remote command */ | |
311 | static u8 HPNA_NoiseFloor; /* Default: HPNA NoiseFloor */ | |
312 | static u8 SF_mode; /* Special Function: 1:VLAN, 2:RX Flow Control | |
313 | 4: TX pause packet */ | |
314 | ||
315 | ||
316 | /* function declaration ------------------------------------- */ | |
317 | static int dmfe_open(struct DEVICE *); | |
ad096463 | 318 | static netdev_tx_t dmfe_start_xmit(struct sk_buff *, struct DEVICE *); |
1da177e4 | 319 | static int dmfe_stop(struct DEVICE *); |
1da177e4 | 320 | static void dmfe_set_filter_mode(struct DEVICE *); |
7282d491 | 321 | static const struct ethtool_ops netdev_ethtool_ops; |
1da177e4 | 322 | static u16 read_srom_word(long ,int); |
7d12e780 | 323 | static irqreturn_t dmfe_interrupt(int , void *); |
1da177e4 LT |
324 | #ifdef CONFIG_NET_POLL_CONTROLLER |
325 | static void poll_dmfe (struct net_device *dev); | |
326 | #endif | |
327 | static void dmfe_descriptor_init(struct dmfe_board_info *, unsigned long); | |
328 | static void allocate_rx_buffer(struct dmfe_board_info *); | |
329 | static void update_cr6(u32, unsigned long); | |
330 | static void send_filter_frame(struct DEVICE * ,int); | |
331 | static void dm9132_id_table(struct DEVICE * ,int); | |
332 | static u16 phy_read(unsigned long, u8, u8, u32); | |
333 | static void phy_write(unsigned long, u8, u8, u16, u32); | |
334 | static void phy_write_1bit(unsigned long, u32); | |
335 | static u16 phy_read_1bit(unsigned long); | |
336 | static u8 dmfe_sense_speed(struct dmfe_board_info *); | |
337 | static void dmfe_process_mode(struct dmfe_board_info *); | |
338 | static void dmfe_timer(unsigned long); | |
339 | static inline u32 cal_CRC(unsigned char *, unsigned int, u8); | |
340 | static void dmfe_rx_packet(struct DEVICE *, struct dmfe_board_info *); | |
341 | static void dmfe_free_tx_pkt(struct DEVICE *, struct dmfe_board_info *); | |
342 | static void dmfe_reuse_skb(struct dmfe_board_info *, struct sk_buff *); | |
343 | static void dmfe_dynamic_reset(struct DEVICE *); | |
344 | static void dmfe_free_rxbuffer(struct dmfe_board_info *); | |
345 | static void dmfe_init_dm910x(struct DEVICE *); | |
346 | static void dmfe_parse_srom(struct dmfe_board_info *); | |
347 | static void dmfe_program_DM9801(struct dmfe_board_info *, int); | |
348 | static void dmfe_program_DM9802(struct dmfe_board_info *); | |
349 | static void dmfe_HPNA_remote_cmd_chk(struct dmfe_board_info * ); | |
350 | static void dmfe_set_phyxcer(struct dmfe_board_info *); | |
351 | ||
f67ba792 | 352 | /* DM910X network board routine ---------------------------- */ |
1da177e4 | 353 | |
2765df58 SH |
354 | static const struct net_device_ops netdev_ops = { |
355 | .ndo_open = dmfe_open, | |
356 | .ndo_stop = dmfe_stop, | |
357 | .ndo_start_xmit = dmfe_start_xmit, | |
358 | .ndo_set_multicast_list = dmfe_set_filter_mode, | |
359 | .ndo_change_mtu = eth_change_mtu, | |
360 | .ndo_set_mac_address = eth_mac_addr, | |
361 | .ndo_validate_addr = eth_validate_addr, | |
362 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
363 | .ndo_poll_controller = poll_dmfe, | |
364 | #endif | |
365 | }; | |
366 | ||
1da177e4 LT |
367 | /* |
368 | * Search DM910X board ,allocate space and register it | |
369 | */ | |
370 | ||
371 | static int __devinit dmfe_init_one (struct pci_dev *pdev, | |
372 | const struct pci_device_id *ent) | |
373 | { | |
374 | struct dmfe_board_info *db; /* board information structure */ | |
375 | struct net_device *dev; | |
44c10138 | 376 | u32 pci_pmr; |
1da177e4 LT |
377 | int i, err; |
378 | ||
379 | DMFE_DBUG(0, "dmfe_init_one()", 0); | |
380 | ||
381 | if (!printed_version++) | |
382 | printk(version); | |
383 | ||
4d907069 BH |
384 | /* |
385 | * SPARC on-board DM910x chips should be handled by the main | |
386 | * tulip driver, except for early DM9100s. | |
387 | */ | |
388 | #ifdef CONFIG_TULIP_DM910X | |
389 | if ((ent->driver_data == PCI_DM9100_ID && pdev->revision >= 0x30) || | |
390 | ent->driver_data == PCI_DM9102_ID) { | |
391 | struct device_node *dp = pci_device_to_OF_node(pdev); | |
392 | ||
393 | if (dp && of_get_property(dp, "local-mac-address", NULL)) { | |
394 | printk(KERN_INFO DRV_NAME | |
395 | ": skipping on-board DM910x (use tulip)\n"); | |
396 | return -ENODEV; | |
397 | } | |
398 | } | |
399 | #endif | |
400 | ||
1da177e4 LT |
401 | /* Init network device */ |
402 | dev = alloc_etherdev(sizeof(*db)); | |
403 | if (dev == NULL) | |
404 | return -ENOMEM; | |
1da177e4 LT |
405 | SET_NETDEV_DEV(dev, &pdev->dev); |
406 | ||
284901a9 | 407 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) { |
f67ba792 ML |
408 | printk(KERN_WARNING DRV_NAME |
409 | ": 32-bit PCI DMA not available.\n"); | |
1da177e4 LT |
410 | err = -ENODEV; |
411 | goto err_out_free; | |
412 | } | |
413 | ||
414 | /* Enable Master/IO access, Disable memory access */ | |
415 | err = pci_enable_device(pdev); | |
416 | if (err) | |
417 | goto err_out_free; | |
418 | ||
419 | if (!pci_resource_start(pdev, 0)) { | |
420 | printk(KERN_ERR DRV_NAME ": I/O base is zero\n"); | |
421 | err = -ENODEV; | |
422 | goto err_out_disable; | |
423 | } | |
424 | ||
44c10138 | 425 | if (pci_resource_len(pdev, 0) < (CHK_IO_SIZE(pdev)) ) { |
1da177e4 LT |
426 | printk(KERN_ERR DRV_NAME ": Allocated I/O size too small\n"); |
427 | err = -ENODEV; | |
428 | goto err_out_disable; | |
429 | } | |
430 | ||
431 | #if 0 /* pci_{enable_device,set_master} sets minimum latency for us now */ | |
432 | ||
433 | /* Set Latency Timer 80h */ | |
434 | /* FIXME: setting values > 32 breaks some SiS 559x stuff. | |
435 | Need a PCI quirk.. */ | |
436 | ||
437 | pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x80); | |
438 | #endif | |
439 | ||
440 | if (pci_request_regions(pdev, DRV_NAME)) { | |
441 | printk(KERN_ERR DRV_NAME ": Failed to request PCI regions\n"); | |
442 | err = -ENODEV; | |
443 | goto err_out_disable; | |
444 | } | |
445 | ||
446 | /* Init system & device */ | |
447 | db = netdev_priv(dev); | |
448 | ||
449 | /* Allocate Tx/Rx descriptor memory */ | |
f67ba792 ML |
450 | db->desc_pool_ptr = pci_alloc_consistent(pdev, sizeof(struct tx_desc) * |
451 | DESC_ALL_CNT + 0x20, &db->desc_pool_dma_ptr); | |
74d5e8ac FT |
452 | if (!db->desc_pool_ptr) |
453 | goto err_out_res; | |
f67ba792 ML |
454 | |
455 | db->buf_pool_ptr = pci_alloc_consistent(pdev, TX_BUF_ALLOC * | |
456 | TX_DESC_CNT + 4, &db->buf_pool_dma_ptr); | |
74d5e8ac FT |
457 | if (!db->buf_pool_ptr) |
458 | goto err_out_free_desc; | |
1da177e4 LT |
459 | |
460 | db->first_tx_desc = (struct tx_desc *) db->desc_pool_ptr; | |
461 | db->first_tx_desc_dma = db->desc_pool_dma_ptr; | |
462 | db->buf_pool_start = db->buf_pool_ptr; | |
463 | db->buf_pool_dma_start = db->buf_pool_dma_ptr; | |
464 | ||
465 | db->chip_id = ent->driver_data; | |
466 | db->ioaddr = pci_resource_start(pdev, 0); | |
44c10138 | 467 | db->chip_revision = pdev->revision; |
f1069046 | 468 | db->wol_mode = 0; |
1da177e4 LT |
469 | |
470 | db->pdev = pdev; | |
471 | ||
472 | dev->base_addr = db->ioaddr; | |
473 | dev->irq = pdev->irq; | |
474 | pci_set_drvdata(pdev, dev); | |
2765df58 | 475 | dev->netdev_ops = &netdev_ops; |
1da177e4 | 476 | dev->ethtool_ops = &netdev_ethtool_ops; |
cfa51b9d | 477 | netif_carrier_off(dev); |
1da177e4 LT |
478 | spin_lock_init(&db->lock); |
479 | ||
480 | pci_read_config_dword(pdev, 0x50, &pci_pmr); | |
481 | pci_pmr &= 0x70000; | |
44c10138 | 482 | if ( (pci_pmr == 0x10000) && (db->chip_revision == 0x31) ) |
1da177e4 LT |
483 | db->chip_type = 1; /* DM9102A E3 */ |
484 | else | |
485 | db->chip_type = 0; | |
486 | ||
487 | /* read 64 word srom data */ | |
488 | for (i = 0; i < 64; i++) | |
a31e40f6 | 489 | ((__le16 *) db->srom)[i] = |
f67ba792 | 490 | cpu_to_le16(read_srom_word(db->ioaddr, i)); |
1da177e4 LT |
491 | |
492 | /* Set Node address */ | |
493 | for (i = 0; i < 6; i++) | |
494 | dev->dev_addr[i] = db->srom[20 + i]; | |
495 | ||
496 | err = register_netdev (dev); | |
497 | if (err) | |
74d5e8ac | 498 | goto err_out_free_buf; |
1da177e4 | 499 | |
e174961c | 500 | printk(KERN_INFO "%s: Davicom DM%04lx at pci%s, %pM, irq %d.\n", |
0795af57 JP |
501 | dev->name, |
502 | ent->driver_data >> 16, | |
503 | pci_name(pdev), | |
e174961c | 504 | dev->dev_addr, |
0795af57 | 505 | dev->irq); |
1da177e4 LT |
506 | |
507 | pci_set_master(pdev); | |
508 | ||
509 | return 0; | |
510 | ||
74d5e8ac FT |
511 | err_out_free_buf: |
512 | pci_free_consistent(pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4, | |
513 | db->buf_pool_ptr, db->buf_pool_dma_ptr); | |
514 | err_out_free_desc: | |
515 | pci_free_consistent(pdev, sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20, | |
516 | db->desc_pool_ptr, db->desc_pool_dma_ptr); | |
1da177e4 LT |
517 | err_out_res: |
518 | pci_release_regions(pdev); | |
519 | err_out_disable: | |
520 | pci_disable_device(pdev); | |
521 | err_out_free: | |
522 | pci_set_drvdata(pdev, NULL); | |
523 | free_netdev(dev); | |
524 | ||
525 | return err; | |
526 | } | |
527 | ||
528 | ||
529 | static void __devexit dmfe_remove_one (struct pci_dev *pdev) | |
530 | { | |
531 | struct net_device *dev = pci_get_drvdata(pdev); | |
532 | struct dmfe_board_info *db = netdev_priv(dev); | |
533 | ||
534 | DMFE_DBUG(0, "dmfe_remove_one()", 0); | |
535 | ||
536 | if (dev) { | |
4dc68f3d ML |
537 | |
538 | unregister_netdev(dev); | |
539 | ||
1da177e4 LT |
540 | pci_free_consistent(db->pdev, sizeof(struct tx_desc) * |
541 | DESC_ALL_CNT + 0x20, db->desc_pool_ptr, | |
542 | db->desc_pool_dma_ptr); | |
543 | pci_free_consistent(db->pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4, | |
544 | db->buf_pool_ptr, db->buf_pool_dma_ptr); | |
1da177e4 LT |
545 | pci_release_regions(pdev); |
546 | free_netdev(dev); /* free board information */ | |
4dc68f3d | 547 | |
1da177e4 LT |
548 | pci_set_drvdata(pdev, NULL); |
549 | } | |
550 | ||
551 | DMFE_DBUG(0, "dmfe_remove_one() exit", 0); | |
552 | } | |
553 | ||
554 | ||
555 | /* | |
556 | * Open the interface. | |
557 | * The interface is opened whenever "ifconfig" actives it. | |
558 | */ | |
559 | ||
560 | static int dmfe_open(struct DEVICE *dev) | |
561 | { | |
562 | int ret; | |
563 | struct dmfe_board_info *db = netdev_priv(dev); | |
564 | ||
565 | DMFE_DBUG(0, "dmfe_open", 0); | |
566 | ||
a0607fd3 | 567 | ret = request_irq(dev->irq, dmfe_interrupt, |
f67ba792 | 568 | IRQF_SHARED, dev->name, dev); |
1da177e4 LT |
569 | if (ret) |
570 | return ret; | |
571 | ||
572 | /* system variable init */ | |
573 | db->cr6_data = CR6_DEFAULT | dmfe_cr6_user_set; | |
574 | db->tx_packet_cnt = 0; | |
575 | db->tx_queue_cnt = 0; | |
576 | db->rx_avail_cnt = 0; | |
1da177e4 LT |
577 | db->wait_reset = 0; |
578 | ||
579 | db->first_in_callback = 0; | |
580 | db->NIC_capability = 0xf; /* All capability*/ | |
581 | db->PHY_reg4 = 0x1e0; | |
582 | ||
583 | /* CR6 operation mode decision */ | |
584 | if ( !chkmode || (db->chip_id == PCI_DM9132_ID) || | |
44c10138 | 585 | (db->chip_revision >= 0x30) ) { |
1da177e4 LT |
586 | db->cr6_data |= DMFE_TXTH_256; |
587 | db->cr0_data = CR0_DEFAULT; | |
588 | db->dm910x_chk_mode=4; /* Enter the normal mode */ | |
589 | } else { | |
590 | db->cr6_data |= CR6_SFT; /* Store & Forward mode */ | |
591 | db->cr0_data = 0; | |
592 | db->dm910x_chk_mode = 1; /* Enter the check mode */ | |
593 | } | |
594 | ||
595 | /* Initilize DM910X board */ | |
596 | dmfe_init_dm910x(dev); | |
597 | ||
598 | /* Active System Interface */ | |
599 | netif_wake_queue(dev); | |
600 | ||
601 | /* set and active a timer process */ | |
602 | init_timer(&db->timer); | |
603 | db->timer.expires = DMFE_TIMER_WUT + HZ * 2; | |
604 | db->timer.data = (unsigned long)dev; | |
605 | db->timer.function = &dmfe_timer; | |
606 | add_timer(&db->timer); | |
607 | ||
608 | return 0; | |
609 | } | |
610 | ||
611 | ||
612 | /* Initilize DM910X board | |
613 | * Reset DM910X board | |
614 | * Initilize TX/Rx descriptor chain structure | |
615 | * Send the set-up frame | |
616 | * Enable Tx/Rx machine | |
617 | */ | |
618 | ||
619 | static void dmfe_init_dm910x(struct DEVICE *dev) | |
620 | { | |
621 | struct dmfe_board_info *db = netdev_priv(dev); | |
622 | unsigned long ioaddr = db->ioaddr; | |
623 | ||
624 | DMFE_DBUG(0, "dmfe_init_dm910x()", 0); | |
625 | ||
626 | /* Reset DM910x MAC controller */ | |
627 | outl(DM910X_RESET, ioaddr + DCR0); /* RESET MAC */ | |
628 | udelay(100); | |
629 | outl(db->cr0_data, ioaddr + DCR0); | |
630 | udelay(5); | |
631 | ||
632 | /* Phy addr : DM910(A)2/DM9132/9801, phy address = 1 */ | |
633 | db->phy_addr = 1; | |
634 | ||
635 | /* Parser SROM and media mode */ | |
636 | dmfe_parse_srom(db); | |
637 | db->media_mode = dmfe_media_mode; | |
638 | ||
639 | /* RESET Phyxcer Chip by GPR port bit 7 */ | |
640 | outl(0x180, ioaddr + DCR12); /* Let bit 7 output port */ | |
641 | if (db->chip_id == PCI_DM9009_ID) { | |
642 | outl(0x80, ioaddr + DCR12); /* Issue RESET signal */ | |
643 | mdelay(300); /* Delay 300 ms */ | |
644 | } | |
645 | outl(0x0, ioaddr + DCR12); /* Clear RESET signal */ | |
646 | ||
647 | /* Process Phyxcer Media Mode */ | |
648 | if ( !(db->media_mode & 0x10) ) /* Force 1M mode */ | |
649 | dmfe_set_phyxcer(db); | |
650 | ||
651 | /* Media Mode Process */ | |
652 | if ( !(db->media_mode & DMFE_AUTO) ) | |
653 | db->op_mode = db->media_mode; /* Force Mode */ | |
654 | ||
655 | /* Initiliaze Transmit/Receive decriptor and CR3/4 */ | |
656 | dmfe_descriptor_init(db, ioaddr); | |
657 | ||
658 | /* Init CR6 to program DM910x operation */ | |
659 | update_cr6(db->cr6_data, ioaddr); | |
660 | ||
661 | /* Send setup frame */ | |
662 | if (db->chip_id == PCI_DM9132_ID) | |
663 | dm9132_id_table(dev, dev->mc_count); /* DM9132 */ | |
664 | else | |
665 | send_filter_frame(dev, dev->mc_count); /* DM9102/DM9102A */ | |
666 | ||
667 | /* Init CR7, interrupt active bit */ | |
668 | db->cr7_data = CR7_DEFAULT; | |
669 | outl(db->cr7_data, ioaddr + DCR7); | |
670 | ||
671 | /* Init CR15, Tx jabber and Rx watchdog timer */ | |
672 | outl(db->cr15_data, ioaddr + DCR15); | |
673 | ||
674 | /* Enable DM910X Tx/Rx function */ | |
675 | db->cr6_data |= CR6_RXSC | CR6_TXSC | 0x40000; | |
676 | update_cr6(db->cr6_data, ioaddr); | |
677 | } | |
678 | ||
679 | ||
680 | /* | |
681 | * Hardware start transmission. | |
682 | * Send a packet to media from the upper layer. | |
683 | */ | |
684 | ||
ad096463 SH |
685 | static netdev_tx_t dmfe_start_xmit(struct sk_buff *skb, |
686 | struct DEVICE *dev) | |
1da177e4 LT |
687 | { |
688 | struct dmfe_board_info *db = netdev_priv(dev); | |
689 | struct tx_desc *txptr; | |
690 | unsigned long flags; | |
691 | ||
692 | DMFE_DBUG(0, "dmfe_start_xmit", 0); | |
693 | ||
694 | /* Resource flag check */ | |
695 | netif_stop_queue(dev); | |
696 | ||
697 | /* Too large packet check */ | |
698 | if (skb->len > MAX_PACKET_SIZE) { | |
699 | printk(KERN_ERR DRV_NAME ": big packet = %d\n", (u16)skb->len); | |
700 | dev_kfree_skb(skb); | |
ec634fe3 | 701 | return NETDEV_TX_OK; |
1da177e4 LT |
702 | } |
703 | ||
704 | spin_lock_irqsave(&db->lock, flags); | |
705 | ||
706 | /* No Tx resource check, it never happen nromally */ | |
707 | if (db->tx_queue_cnt >= TX_FREE_DESC_CNT) { | |
708 | spin_unlock_irqrestore(&db->lock, flags); | |
f67ba792 ML |
709 | printk(KERN_ERR DRV_NAME ": No Tx resource %ld\n", |
710 | db->tx_queue_cnt); | |
5b548140 | 711 | return NETDEV_TX_BUSY; |
1da177e4 LT |
712 | } |
713 | ||
714 | /* Disable NIC interrupt */ | |
715 | outl(0, dev->base_addr + DCR7); | |
716 | ||
717 | /* transmit this packet */ | |
718 | txptr = db->tx_insert_ptr; | |
d626f62b | 719 | skb_copy_from_linear_data(skb, txptr->tx_buf_ptr, skb->len); |
1da177e4 LT |
720 | txptr->tdes1 = cpu_to_le32(0xe1000000 | skb->len); |
721 | ||
722 | /* Point to next transmit free descriptor */ | |
723 | db->tx_insert_ptr = txptr->next_tx_desc; | |
724 | ||
725 | /* Transmit Packet Process */ | |
726 | if ( (!db->tx_queue_cnt) && (db->tx_packet_cnt < TX_MAX_SEND_CNT) ) { | |
727 | txptr->tdes0 = cpu_to_le32(0x80000000); /* Set owner bit */ | |
728 | db->tx_packet_cnt++; /* Ready to send */ | |
729 | outl(0x1, dev->base_addr + DCR1); /* Issue Tx polling */ | |
730 | dev->trans_start = jiffies; /* saved time stamp */ | |
731 | } else { | |
732 | db->tx_queue_cnt++; /* queue TX packet */ | |
733 | outl(0x1, dev->base_addr + DCR1); /* Issue Tx polling */ | |
734 | } | |
735 | ||
736 | /* Tx resource check */ | |
737 | if ( db->tx_queue_cnt < TX_FREE_DESC_CNT ) | |
738 | netif_wake_queue(dev); | |
739 | ||
740 | /* Restore CR7 to enable interrupt */ | |
741 | spin_unlock_irqrestore(&db->lock, flags); | |
742 | outl(db->cr7_data, dev->base_addr + DCR7); | |
743 | ||
744 | /* free this SKB */ | |
745 | dev_kfree_skb(skb); | |
746 | ||
ec634fe3 | 747 | return NETDEV_TX_OK; |
1da177e4 LT |
748 | } |
749 | ||
750 | ||
751 | /* | |
752 | * Stop the interface. | |
753 | * The interface is stopped when it is brought. | |
754 | */ | |
755 | ||
756 | static int dmfe_stop(struct DEVICE *dev) | |
757 | { | |
758 | struct dmfe_board_info *db = netdev_priv(dev); | |
759 | unsigned long ioaddr = dev->base_addr; | |
760 | ||
761 | DMFE_DBUG(0, "dmfe_stop", 0); | |
762 | ||
763 | /* disable system */ | |
764 | netif_stop_queue(dev); | |
765 | ||
766 | /* deleted timer */ | |
767 | del_timer_sync(&db->timer); | |
768 | ||
769 | /* Reset & stop DM910X board */ | |
770 | outl(DM910X_RESET, ioaddr + DCR0); | |
771 | udelay(5); | |
772 | phy_write(db->ioaddr, db->phy_addr, 0, 0x8000, db->chip_id); | |
773 | ||
774 | /* free interrupt */ | |
775 | free_irq(dev->irq, dev); | |
776 | ||
777 | /* free allocated rx buffer */ | |
778 | dmfe_free_rxbuffer(db); | |
779 | ||
780 | #if 0 | |
781 | /* show statistic counter */ | |
f67ba792 ML |
782 | printk(DRV_NAME ": FU:%lx EC:%lx LC:%lx NC:%lx" |
783 | " LOC:%lx TXJT:%lx RESET:%lx RCR8:%lx FAL:%lx TT:%lx\n", | |
1da177e4 LT |
784 | db->tx_fifo_underrun, db->tx_excessive_collision, |
785 | db->tx_late_collision, db->tx_no_carrier, db->tx_loss_carrier, | |
786 | db->tx_jabber_timeout, db->reset_count, db->reset_cr8, | |
787 | db->reset_fatal, db->reset_TXtimeout); | |
788 | #endif | |
789 | ||
790 | return 0; | |
791 | } | |
792 | ||
793 | ||
794 | /* | |
795 | * DM9102 insterrupt handler | |
796 | * receive the packet to upper layer, free the transmitted packet | |
797 | */ | |
798 | ||
7d12e780 | 799 | static irqreturn_t dmfe_interrupt(int irq, void *dev_id) |
1da177e4 LT |
800 | { |
801 | struct DEVICE *dev = dev_id; | |
802 | struct dmfe_board_info *db = netdev_priv(dev); | |
803 | unsigned long ioaddr = dev->base_addr; | |
804 | unsigned long flags; | |
805 | ||
806 | DMFE_DBUG(0, "dmfe_interrupt()", 0); | |
807 | ||
1da177e4 LT |
808 | spin_lock_irqsave(&db->lock, flags); |
809 | ||
810 | /* Got DM910X status */ | |
811 | db->cr5_data = inl(ioaddr + DCR5); | |
812 | outl(db->cr5_data, ioaddr + DCR5); | |
813 | if ( !(db->cr5_data & 0xc1) ) { | |
814 | spin_unlock_irqrestore(&db->lock, flags); | |
815 | return IRQ_HANDLED; | |
816 | } | |
817 | ||
818 | /* Disable all interrupt in CR7 to solve the interrupt edge problem */ | |
819 | outl(0, ioaddr + DCR7); | |
820 | ||
821 | /* Check system status */ | |
822 | if (db->cr5_data & 0x2000) { | |
823 | /* system bus error happen */ | |
824 | DMFE_DBUG(1, "System bus error happen. CR5=", db->cr5_data); | |
825 | db->reset_fatal++; | |
826 | db->wait_reset = 1; /* Need to RESET */ | |
827 | spin_unlock_irqrestore(&db->lock, flags); | |
828 | return IRQ_HANDLED; | |
829 | } | |
830 | ||
831 | /* Received the coming packet */ | |
832 | if ( (db->cr5_data & 0x40) && db->rx_avail_cnt ) | |
833 | dmfe_rx_packet(dev, db); | |
834 | ||
835 | /* reallocate rx descriptor buffer */ | |
836 | if (db->rx_avail_cnt<RX_DESC_CNT) | |
837 | allocate_rx_buffer(db); | |
838 | ||
839 | /* Free the transmitted descriptor */ | |
840 | if ( db->cr5_data & 0x01) | |
841 | dmfe_free_tx_pkt(dev, db); | |
842 | ||
843 | /* Mode Check */ | |
844 | if (db->dm910x_chk_mode & 0x2) { | |
845 | db->dm910x_chk_mode = 0x4; | |
846 | db->cr6_data |= 0x100; | |
847 | update_cr6(db->cr6_data, db->ioaddr); | |
848 | } | |
849 | ||
850 | /* Restore CR7 to enable interrupt mask */ | |
851 | outl(db->cr7_data, ioaddr + DCR7); | |
852 | ||
853 | spin_unlock_irqrestore(&db->lock, flags); | |
854 | return IRQ_HANDLED; | |
855 | } | |
856 | ||
857 | ||
858 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
859 | /* | |
860 | * Polling 'interrupt' - used by things like netconsole to send skbs | |
861 | * without having to re-enable interrupts. It's not called while | |
862 | * the interrupt routine is executing. | |
863 | */ | |
864 | ||
865 | static void poll_dmfe (struct net_device *dev) | |
866 | { | |
867 | /* disable_irq here is not very nice, but with the lockless | |
868 | interrupt handler we have no other choice. */ | |
869 | disable_irq(dev->irq); | |
7d12e780 | 870 | dmfe_interrupt (dev->irq, dev); |
1da177e4 LT |
871 | enable_irq(dev->irq); |
872 | } | |
873 | #endif | |
874 | ||
875 | /* | |
876 | * Free TX resource after TX complete | |
877 | */ | |
878 | ||
879 | static void dmfe_free_tx_pkt(struct DEVICE *dev, struct dmfe_board_info * db) | |
880 | { | |
881 | struct tx_desc *txptr; | |
882 | unsigned long ioaddr = dev->base_addr; | |
883 | u32 tdes0; | |
884 | ||
885 | txptr = db->tx_remove_ptr; | |
886 | while(db->tx_packet_cnt) { | |
887 | tdes0 = le32_to_cpu(txptr->tdes0); | |
888 | /* printk(DRV_NAME ": tdes0=%x\n", tdes0); */ | |
889 | if (tdes0 & 0x80000000) | |
890 | break; | |
891 | ||
892 | /* A packet sent completed */ | |
893 | db->tx_packet_cnt--; | |
2765df58 | 894 | dev->stats.tx_packets++; |
1da177e4 LT |
895 | |
896 | /* Transmit statistic counter */ | |
897 | if ( tdes0 != 0x7fffffff ) { | |
898 | /* printk(DRV_NAME ": tdes0=%x\n", tdes0); */ | |
2765df58 SH |
899 | dev->stats.collisions += (tdes0 >> 3) & 0xf; |
900 | dev->stats.tx_bytes += le32_to_cpu(txptr->tdes1) & 0x7ff; | |
1da177e4 | 901 | if (tdes0 & TDES0_ERR_MASK) { |
2765df58 | 902 | dev->stats.tx_errors++; |
1da177e4 LT |
903 | |
904 | if (tdes0 & 0x0002) { /* UnderRun */ | |
905 | db->tx_fifo_underrun++; | |
906 | if ( !(db->cr6_data & CR6_SFT) ) { | |
907 | db->cr6_data = db->cr6_data | CR6_SFT; | |
908 | update_cr6(db->cr6_data, db->ioaddr); | |
909 | } | |
910 | } | |
911 | if (tdes0 & 0x0100) | |
912 | db->tx_excessive_collision++; | |
913 | if (tdes0 & 0x0200) | |
914 | db->tx_late_collision++; | |
915 | if (tdes0 & 0x0400) | |
916 | db->tx_no_carrier++; | |
917 | if (tdes0 & 0x0800) | |
918 | db->tx_loss_carrier++; | |
919 | if (tdes0 & 0x4000) | |
920 | db->tx_jabber_timeout++; | |
921 | } | |
922 | } | |
923 | ||
924 | txptr = txptr->next_tx_desc; | |
925 | }/* End of while */ | |
926 | ||
927 | /* Update TX remove pointer to next */ | |
928 | db->tx_remove_ptr = txptr; | |
929 | ||
930 | /* Send the Tx packet in queue */ | |
931 | if ( (db->tx_packet_cnt < TX_MAX_SEND_CNT) && db->tx_queue_cnt ) { | |
932 | txptr->tdes0 = cpu_to_le32(0x80000000); /* Set owner bit */ | |
933 | db->tx_packet_cnt++; /* Ready to send */ | |
934 | db->tx_queue_cnt--; | |
935 | outl(0x1, ioaddr + DCR1); /* Issue Tx polling */ | |
936 | dev->trans_start = jiffies; /* saved time stamp */ | |
937 | } | |
938 | ||
939 | /* Resource available check */ | |
940 | if ( db->tx_queue_cnt < TX_WAKE_DESC_CNT ) | |
941 | netif_wake_queue(dev); /* Active upper layer, send again */ | |
942 | } | |
943 | ||
944 | ||
945 | /* | |
946 | * Calculate the CRC valude of the Rx packet | |
947 | * flag = 1 : return the reverse CRC (for the received packet CRC) | |
948 | * 0 : return the normal CRC (for Hash Table index) | |
949 | */ | |
950 | ||
951 | static inline u32 cal_CRC(unsigned char * Data, unsigned int Len, u8 flag) | |
952 | { | |
953 | u32 crc = crc32(~0, Data, Len); | |
954 | if (flag) crc = ~crc; | |
955 | return crc; | |
956 | } | |
957 | ||
958 | ||
959 | /* | |
960 | * Receive the come packet and pass to upper layer | |
961 | */ | |
962 | ||
963 | static void dmfe_rx_packet(struct DEVICE *dev, struct dmfe_board_info * db) | |
964 | { | |
965 | struct rx_desc *rxptr; | |
4dc68f3d | 966 | struct sk_buff *skb, *newskb; |
1da177e4 LT |
967 | int rxlen; |
968 | u32 rdes0; | |
969 | ||
970 | rxptr = db->rx_ready_ptr; | |
971 | ||
972 | while(db->rx_avail_cnt) { | |
973 | rdes0 = le32_to_cpu(rxptr->rdes0); | |
974 | if (rdes0 & 0x80000000) /* packet owner check */ | |
975 | break; | |
976 | ||
977 | db->rx_avail_cnt--; | |
978 | db->interval_rx_cnt++; | |
979 | ||
f67ba792 ML |
980 | pci_unmap_single(db->pdev, le32_to_cpu(rxptr->rdes2), |
981 | RX_ALLOC_SIZE, PCI_DMA_FROMDEVICE); | |
982 | ||
1da177e4 LT |
983 | if ( (rdes0 & 0x300) != 0x300) { |
984 | /* A packet without First/Last flag */ | |
985 | /* reuse this SKB */ | |
986 | DMFE_DBUG(0, "Reuse SK buffer, rdes0", rdes0); | |
987 | dmfe_reuse_skb(db, rxptr->rx_skb_ptr); | |
988 | } else { | |
989 | /* A packet with First/Last flag */ | |
990 | rxlen = ( (rdes0 >> 16) & 0x3fff) - 4; | |
991 | ||
992 | /* error summary bit check */ | |
993 | if (rdes0 & 0x8000) { | |
994 | /* This is a error packet */ | |
995 | //printk(DRV_NAME ": rdes0: %lx\n", rdes0); | |
2765df58 | 996 | dev->stats.rx_errors++; |
1da177e4 | 997 | if (rdes0 & 1) |
2765df58 | 998 | dev->stats.rx_fifo_errors++; |
1da177e4 | 999 | if (rdes0 & 2) |
2765df58 | 1000 | dev->stats.rx_crc_errors++; |
1da177e4 | 1001 | if (rdes0 & 0x80) |
2765df58 | 1002 | dev->stats.rx_length_errors++; |
1da177e4 LT |
1003 | } |
1004 | ||
1005 | if ( !(rdes0 & 0x8000) || | |
1006 | ((db->cr6_data & CR6_PM) && (rxlen>6)) ) { | |
1007 | skb = rxptr->rx_skb_ptr; | |
1008 | ||
1009 | /* Received Packet CRC check need or not */ | |
1010 | if ( (db->dm910x_chk_mode & 1) && | |
689be439 DM |
1011 | (cal_CRC(skb->data, rxlen, 1) != |
1012 | (*(u32 *) (skb->data+rxlen) ))) { /* FIXME (?) */ | |
1da177e4 LT |
1013 | /* Found a error received packet */ |
1014 | dmfe_reuse_skb(db, rxptr->rx_skb_ptr); | |
1015 | db->dm910x_chk_mode = 3; | |
1016 | } else { | |
1017 | /* Good packet, send to upper layer */ | |
1018 | /* Shorst packet used new SKB */ | |
4dc68f3d ML |
1019 | if ((rxlen < RX_COPY_SIZE) && |
1020 | ((newskb = dev_alloc_skb(rxlen + 2)) | |
1021 | != NULL)) { | |
1022 | ||
1023 | skb = newskb; | |
1da177e4 | 1024 | /* size less than COPY_SIZE, allocate a rxlen SKB */ |
1da177e4 | 1025 | skb_reserve(skb, 2); /* 16byte align */ |
d626f62b ACM |
1026 | skb_copy_from_linear_data(rxptr->rx_skb_ptr, |
1027 | skb_put(skb, rxlen), | |
1028 | rxlen); | |
1da177e4 | 1029 | dmfe_reuse_skb(db, rxptr->rx_skb_ptr); |
4c13eb66 | 1030 | } else |
1da177e4 | 1031 | skb_put(skb, rxlen); |
4c13eb66 | 1032 | |
1da177e4 LT |
1033 | skb->protocol = eth_type_trans(skb, dev); |
1034 | netif_rx(skb); | |
2765df58 SH |
1035 | dev->stats.rx_packets++; |
1036 | dev->stats.rx_bytes += rxlen; | |
1da177e4 LT |
1037 | } |
1038 | } else { | |
1039 | /* Reuse SKB buffer when the packet is error */ | |
1040 | DMFE_DBUG(0, "Reuse SK buffer, rdes0", rdes0); | |
1041 | dmfe_reuse_skb(db, rxptr->rx_skb_ptr); | |
1042 | } | |
1043 | } | |
1044 | ||
1045 | rxptr = rxptr->next_rx_desc; | |
1046 | } | |
1047 | ||
1048 | db->rx_ready_ptr = rxptr; | |
1049 | } | |
1050 | ||
1da177e4 LT |
1051 | /* |
1052 | * Set DM910X multicast address | |
1053 | */ | |
1054 | ||
1055 | static void dmfe_set_filter_mode(struct DEVICE * dev) | |
1056 | { | |
1057 | struct dmfe_board_info *db = netdev_priv(dev); | |
1058 | unsigned long flags; | |
1059 | ||
1060 | DMFE_DBUG(0, "dmfe_set_filter_mode()", 0); | |
1061 | spin_lock_irqsave(&db->lock, flags); | |
1062 | ||
1063 | if (dev->flags & IFF_PROMISC) { | |
1064 | DMFE_DBUG(0, "Enable PROM Mode", 0); | |
1065 | db->cr6_data |= CR6_PM | CR6_PBF; | |
1066 | update_cr6(db->cr6_data, db->ioaddr); | |
1067 | spin_unlock_irqrestore(&db->lock, flags); | |
1068 | return; | |
1069 | } | |
1070 | ||
1071 | if (dev->flags & IFF_ALLMULTI || dev->mc_count > DMFE_MAX_MULTICAST) { | |
1072 | DMFE_DBUG(0, "Pass all multicast address", dev->mc_count); | |
1073 | db->cr6_data &= ~(CR6_PM | CR6_PBF); | |
1074 | db->cr6_data |= CR6_PAM; | |
1075 | spin_unlock_irqrestore(&db->lock, flags); | |
1076 | return; | |
1077 | } | |
1078 | ||
1079 | DMFE_DBUG(0, "Set multicast address", dev->mc_count); | |
1080 | if (db->chip_id == PCI_DM9132_ID) | |
1081 | dm9132_id_table(dev, dev->mc_count); /* DM9132 */ | |
1082 | else | |
1083 | send_filter_frame(dev, dev->mc_count); /* DM9102/DM9102A */ | |
1084 | spin_unlock_irqrestore(&db->lock, flags); | |
1085 | } | |
1086 | ||
f1069046 ML |
1087 | /* |
1088 | * Ethtool interace | |
1089 | */ | |
1090 | ||
1091 | static void dmfe_ethtool_get_drvinfo(struct net_device *dev, | |
1da177e4 LT |
1092 | struct ethtool_drvinfo *info) |
1093 | { | |
1094 | struct dmfe_board_info *np = netdev_priv(dev); | |
1095 | ||
1096 | strcpy(info->driver, DRV_NAME); | |
1097 | strcpy(info->version, DRV_VERSION); | |
1098 | if (np->pdev) | |
1099 | strcpy(info->bus_info, pci_name(np->pdev)); | |
1100 | else | |
1101 | sprintf(info->bus_info, "EISA 0x%lx %d", | |
1102 | dev->base_addr, dev->irq); | |
1103 | } | |
1104 | ||
f1069046 ML |
1105 | static int dmfe_ethtool_set_wol(struct net_device *dev, |
1106 | struct ethtool_wolinfo *wolinfo) | |
1107 | { | |
1108 | struct dmfe_board_info *db = netdev_priv(dev); | |
1109 | ||
1110 | if (wolinfo->wolopts & (WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | | |
1111 | WAKE_ARP | WAKE_MAGICSECURE)) | |
1112 | return -EOPNOTSUPP; | |
1113 | ||
1114 | db->wol_mode = wolinfo->wolopts; | |
1115 | return 0; | |
1116 | } | |
1117 | ||
1118 | static void dmfe_ethtool_get_wol(struct net_device *dev, | |
1119 | struct ethtool_wolinfo *wolinfo) | |
1120 | { | |
1121 | struct dmfe_board_info *db = netdev_priv(dev); | |
1122 | ||
1123 | wolinfo->supported = WAKE_PHY | WAKE_MAGIC; | |
1124 | wolinfo->wolopts = db->wol_mode; | |
1125 | return; | |
1126 | } | |
1127 | ||
1128 | ||
7282d491 | 1129 | static const struct ethtool_ops netdev_ethtool_ops = { |
f1069046 | 1130 | .get_drvinfo = dmfe_ethtool_get_drvinfo, |
cfa51b9d | 1131 | .get_link = ethtool_op_get_link, |
f1069046 ML |
1132 | .set_wol = dmfe_ethtool_set_wol, |
1133 | .get_wol = dmfe_ethtool_get_wol, | |
1da177e4 LT |
1134 | }; |
1135 | ||
1136 | /* | |
1137 | * A periodic timer routine | |
1138 | * Dynamic media sense, allocate Rx buffer... | |
1139 | */ | |
1140 | ||
1141 | static void dmfe_timer(unsigned long data) | |
1142 | { | |
1143 | u32 tmp_cr8; | |
1144 | unsigned char tmp_cr12; | |
1145 | struct DEVICE *dev = (struct DEVICE *) data; | |
1146 | struct dmfe_board_info *db = netdev_priv(dev); | |
1147 | unsigned long flags; | |
1148 | ||
cfa51b9d ML |
1149 | int link_ok, link_ok_phy; |
1150 | ||
1da177e4 LT |
1151 | DMFE_DBUG(0, "dmfe_timer()", 0); |
1152 | spin_lock_irqsave(&db->lock, flags); | |
1153 | ||
1154 | /* Media mode process when Link OK before enter this route */ | |
1155 | if (db->first_in_callback == 0) { | |
1156 | db->first_in_callback = 1; | |
1157 | if (db->chip_type && (db->chip_id==PCI_DM9102_ID)) { | |
1158 | db->cr6_data &= ~0x40000; | |
1159 | update_cr6(db->cr6_data, db->ioaddr); | |
f67ba792 ML |
1160 | phy_write(db->ioaddr, |
1161 | db->phy_addr, 0, 0x1000, db->chip_id); | |
1da177e4 LT |
1162 | db->cr6_data |= 0x40000; |
1163 | update_cr6(db->cr6_data, db->ioaddr); | |
1164 | db->timer.expires = DMFE_TIMER_WUT + HZ * 2; | |
1165 | add_timer(&db->timer); | |
1166 | spin_unlock_irqrestore(&db->lock, flags); | |
1167 | return; | |
1168 | } | |
1169 | } | |
1170 | ||
1171 | ||
1172 | /* Operating Mode Check */ | |
1173 | if ( (db->dm910x_chk_mode & 0x1) && | |
2765df58 | 1174 | (dev->stats.rx_packets > MAX_CHECK_PACKET) ) |
1da177e4 LT |
1175 | db->dm910x_chk_mode = 0x4; |
1176 | ||
1177 | /* Dynamic reset DM910X : system error or transmit time-out */ | |
1178 | tmp_cr8 = inl(db->ioaddr + DCR8); | |
1179 | if ( (db->interval_rx_cnt==0) && (tmp_cr8) ) { | |
1180 | db->reset_cr8++; | |
1181 | db->wait_reset = 1; | |
1182 | } | |
1183 | db->interval_rx_cnt = 0; | |
1184 | ||
1185 | /* TX polling kick monitor */ | |
1186 | if ( db->tx_packet_cnt && | |
1187 | time_after(jiffies, dev->trans_start + DMFE_TX_KICK) ) { | |
1188 | outl(0x1, dev->base_addr + DCR1); /* Tx polling again */ | |
1189 | ||
1190 | /* TX Timeout */ | |
1191 | if ( time_after(jiffies, dev->trans_start + DMFE_TX_TIMEOUT) ) { | |
1192 | db->reset_TXtimeout++; | |
1193 | db->wait_reset = 1; | |
1194 | printk(KERN_WARNING "%s: Tx timeout - resetting\n", | |
1195 | dev->name); | |
1196 | } | |
1197 | } | |
1198 | ||
1199 | if (db->wait_reset) { | |
1200 | DMFE_DBUG(0, "Dynamic Reset device", db->tx_packet_cnt); | |
1201 | db->reset_count++; | |
1202 | dmfe_dynamic_reset(dev); | |
1203 | db->first_in_callback = 0; | |
1204 | db->timer.expires = DMFE_TIMER_WUT; | |
1205 | add_timer(&db->timer); | |
1206 | spin_unlock_irqrestore(&db->lock, flags); | |
1207 | return; | |
1208 | } | |
1209 | ||
1210 | /* Link status check, Dynamic media type change */ | |
1211 | if (db->chip_id == PCI_DM9132_ID) | |
1212 | tmp_cr12 = inb(db->ioaddr + DCR9 + 3); /* DM9132 */ | |
1213 | else | |
1214 | tmp_cr12 = inb(db->ioaddr + DCR12); /* DM9102/DM9102A */ | |
1215 | ||
1216 | if ( ((db->chip_id == PCI_DM9102_ID) && | |
44c10138 | 1217 | (db->chip_revision == 0x30)) || |
1da177e4 | 1218 | ((db->chip_id == PCI_DM9132_ID) && |
44c10138 | 1219 | (db->chip_revision == 0x10)) ) { |
1da177e4 LT |
1220 | /* DM9102A Chip */ |
1221 | if (tmp_cr12 & 2) | |
cfa51b9d | 1222 | link_ok = 0; |
1da177e4 | 1223 | else |
cfa51b9d | 1224 | link_ok = 1; |
1da177e4 | 1225 | } |
cfa51b9d ML |
1226 | else |
1227 | /*0x43 is used instead of 0x3 because bit 6 should represent | |
1228 | link status of external PHY */ | |
1229 | link_ok = (tmp_cr12 & 0x43) ? 1 : 0; | |
1230 | ||
1231 | ||
1232 | /* If chip reports that link is failed it could be because external | |
1233 | PHY link status pin is not conected correctly to chip | |
1234 | To be sure ask PHY too. | |
1235 | */ | |
1236 | ||
1237 | /* need a dummy read because of PHY's register latch*/ | |
1238 | phy_read (db->ioaddr, db->phy_addr, 1, db->chip_id); | |
1239 | link_ok_phy = (phy_read (db->ioaddr, | |
1240 | db->phy_addr, 1, db->chip_id) & 0x4) ? 1 : 0; | |
1da177e4 | 1241 | |
cfa51b9d ML |
1242 | if (link_ok_phy != link_ok) { |
1243 | DMFE_DBUG (0, "PHY and chip report different link status", 0); | |
1244 | link_ok = link_ok | link_ok_phy; | |
1245 | } | |
1246 | ||
1247 | if ( !link_ok && netif_carrier_ok(dev)) { | |
1da177e4 LT |
1248 | /* Link Failed */ |
1249 | DMFE_DBUG(0, "Link Failed", tmp_cr12); | |
cfa51b9d | 1250 | netif_carrier_off(dev); |
1da177e4 LT |
1251 | |
1252 | /* For Force 10/100M Half/Full mode: Enable Auto-Nego mode */ | |
1253 | /* AUTO or force 1M Homerun/Longrun don't need */ | |
1254 | if ( !(db->media_mode & 0x38) ) | |
f67ba792 ML |
1255 | phy_write(db->ioaddr, db->phy_addr, |
1256 | 0, 0x1000, db->chip_id); | |
1da177e4 LT |
1257 | |
1258 | /* AUTO mode, if INT phyxcer link failed, select EXT device */ | |
1259 | if (db->media_mode & DMFE_AUTO) { | |
1260 | /* 10/100M link failed, used 1M Home-Net */ | |
1261 | db->cr6_data|=0x00040000; /* bit18=1, MII */ | |
1262 | db->cr6_data&=~0x00000200; /* bit9=0, HD mode */ | |
1263 | update_cr6(db->cr6_data, db->ioaddr); | |
1264 | } | |
cfa51b9d ML |
1265 | } else if (!netif_carrier_ok(dev)) { |
1266 | ||
1267 | DMFE_DBUG(0, "Link link OK", tmp_cr12); | |
1268 | ||
1269 | /* Auto Sense Speed */ | |
1270 | if ( !(db->media_mode & DMFE_AUTO) || !dmfe_sense_speed(db)) { | |
1271 | netif_carrier_on(dev); | |
1272 | SHOW_MEDIA_TYPE(db->op_mode); | |
1da177e4 LT |
1273 | } |
1274 | ||
cfa51b9d ML |
1275 | dmfe_process_mode(db); |
1276 | } | |
1277 | ||
1da177e4 LT |
1278 | /* HPNA remote command check */ |
1279 | if (db->HPNA_command & 0xf00) { | |
1280 | db->HPNA_timer--; | |
1281 | if (!db->HPNA_timer) | |
1282 | dmfe_HPNA_remote_cmd_chk(db); | |
1283 | } | |
1284 | ||
1285 | /* Timer active again */ | |
1286 | db->timer.expires = DMFE_TIMER_WUT; | |
1287 | add_timer(&db->timer); | |
1288 | spin_unlock_irqrestore(&db->lock, flags); | |
1289 | } | |
1290 | ||
1291 | ||
1292 | /* | |
1293 | * Dynamic reset the DM910X board | |
1294 | * Stop DM910X board | |
1295 | * Free Tx/Rx allocated memory | |
1296 | * Reset DM910X board | |
1297 | * Re-initilize DM910X board | |
1298 | */ | |
1299 | ||
1300 | static void dmfe_dynamic_reset(struct DEVICE *dev) | |
1301 | { | |
1302 | struct dmfe_board_info *db = netdev_priv(dev); | |
1303 | ||
1304 | DMFE_DBUG(0, "dmfe_dynamic_reset()", 0); | |
1305 | ||
1306 | /* Sopt MAC controller */ | |
1307 | db->cr6_data &= ~(CR6_RXSC | CR6_TXSC); /* Disable Tx/Rx */ | |
1308 | update_cr6(db->cr6_data, dev->base_addr); | |
1309 | outl(0, dev->base_addr + DCR7); /* Disable Interrupt */ | |
1310 | outl(inl(dev->base_addr + DCR5), dev->base_addr + DCR5); | |
1311 | ||
1312 | /* Disable upper layer interface */ | |
1313 | netif_stop_queue(dev); | |
1314 | ||
1315 | /* Free Rx Allocate buffer */ | |
1316 | dmfe_free_rxbuffer(db); | |
1317 | ||
1318 | /* system variable init */ | |
1319 | db->tx_packet_cnt = 0; | |
1320 | db->tx_queue_cnt = 0; | |
1321 | db->rx_avail_cnt = 0; | |
cfa51b9d | 1322 | netif_carrier_off(dev); |
1da177e4 LT |
1323 | db->wait_reset = 0; |
1324 | ||
1325 | /* Re-initilize DM910X board */ | |
1326 | dmfe_init_dm910x(dev); | |
1327 | ||
1328 | /* Restart upper layer interface */ | |
1329 | netif_wake_queue(dev); | |
1330 | } | |
1331 | ||
1332 | ||
1333 | /* | |
1334 | * free all allocated rx buffer | |
1335 | */ | |
1336 | ||
1337 | static void dmfe_free_rxbuffer(struct dmfe_board_info * db) | |
1338 | { | |
1339 | DMFE_DBUG(0, "dmfe_free_rxbuffer()", 0); | |
1340 | ||
1341 | /* free allocated rx buffer */ | |
1342 | while (db->rx_avail_cnt) { | |
1343 | dev_kfree_skb(db->rx_ready_ptr->rx_skb_ptr); | |
1344 | db->rx_ready_ptr = db->rx_ready_ptr->next_rx_desc; | |
1345 | db->rx_avail_cnt--; | |
1346 | } | |
1347 | } | |
1348 | ||
1349 | ||
1350 | /* | |
1351 | * Reuse the SK buffer | |
1352 | */ | |
1353 | ||
1354 | static void dmfe_reuse_skb(struct dmfe_board_info *db, struct sk_buff * skb) | |
1355 | { | |
1356 | struct rx_desc *rxptr = db->rx_insert_ptr; | |
1357 | ||
1358 | if (!(rxptr->rdes0 & cpu_to_le32(0x80000000))) { | |
1359 | rxptr->rx_skb_ptr = skb; | |
f67ba792 ML |
1360 | rxptr->rdes2 = cpu_to_le32( pci_map_single(db->pdev, |
1361 | skb->data, RX_ALLOC_SIZE, PCI_DMA_FROMDEVICE) ); | |
1da177e4 LT |
1362 | wmb(); |
1363 | rxptr->rdes0 = cpu_to_le32(0x80000000); | |
1364 | db->rx_avail_cnt++; | |
1365 | db->rx_insert_ptr = rxptr->next_rx_desc; | |
1366 | } else | |
1367 | DMFE_DBUG(0, "SK Buffer reuse method error", db->rx_avail_cnt); | |
1368 | } | |
1369 | ||
1370 | ||
1371 | /* | |
1372 | * Initialize transmit/Receive descriptor | |
1373 | * Using Chain structure, and allocate Tx/Rx buffer | |
1374 | */ | |
1375 | ||
1376 | static void dmfe_descriptor_init(struct dmfe_board_info *db, unsigned long ioaddr) | |
1377 | { | |
1378 | struct tx_desc *tmp_tx; | |
1379 | struct rx_desc *tmp_rx; | |
1380 | unsigned char *tmp_buf; | |
1381 | dma_addr_t tmp_tx_dma, tmp_rx_dma; | |
1382 | dma_addr_t tmp_buf_dma; | |
1383 | int i; | |
1384 | ||
1385 | DMFE_DBUG(0, "dmfe_descriptor_init()", 0); | |
1386 | ||
1387 | /* tx descriptor start pointer */ | |
1388 | db->tx_insert_ptr = db->first_tx_desc; | |
1389 | db->tx_remove_ptr = db->first_tx_desc; | |
1390 | outl(db->first_tx_desc_dma, ioaddr + DCR4); /* TX DESC address */ | |
1391 | ||
1392 | /* rx descriptor start pointer */ | |
f67ba792 ML |
1393 | db->first_rx_desc = (void *)db->first_tx_desc + |
1394 | sizeof(struct tx_desc) * TX_DESC_CNT; | |
1395 | ||
1396 | db->first_rx_desc_dma = db->first_tx_desc_dma + | |
1397 | sizeof(struct tx_desc) * TX_DESC_CNT; | |
1da177e4 LT |
1398 | db->rx_insert_ptr = db->first_rx_desc; |
1399 | db->rx_ready_ptr = db->first_rx_desc; | |
1400 | outl(db->first_rx_desc_dma, ioaddr + DCR3); /* RX DESC address */ | |
1401 | ||
1402 | /* Init Transmit chain */ | |
1403 | tmp_buf = db->buf_pool_start; | |
1404 | tmp_buf_dma = db->buf_pool_dma_start; | |
1405 | tmp_tx_dma = db->first_tx_desc_dma; | |
1406 | for (tmp_tx = db->first_tx_desc, i = 0; i < TX_DESC_CNT; i++, tmp_tx++) { | |
1407 | tmp_tx->tx_buf_ptr = tmp_buf; | |
1408 | tmp_tx->tdes0 = cpu_to_le32(0); | |
1409 | tmp_tx->tdes1 = cpu_to_le32(0x81000000); /* IC, chain */ | |
1410 | tmp_tx->tdes2 = cpu_to_le32(tmp_buf_dma); | |
1411 | tmp_tx_dma += sizeof(struct tx_desc); | |
1412 | tmp_tx->tdes3 = cpu_to_le32(tmp_tx_dma); | |
1413 | tmp_tx->next_tx_desc = tmp_tx + 1; | |
1414 | tmp_buf = tmp_buf + TX_BUF_ALLOC; | |
1415 | tmp_buf_dma = tmp_buf_dma + TX_BUF_ALLOC; | |
1416 | } | |
1417 | (--tmp_tx)->tdes3 = cpu_to_le32(db->first_tx_desc_dma); | |
1418 | tmp_tx->next_tx_desc = db->first_tx_desc; | |
1419 | ||
1420 | /* Init Receive descriptor chain */ | |
1421 | tmp_rx_dma=db->first_rx_desc_dma; | |
1422 | for (tmp_rx = db->first_rx_desc, i = 0; i < RX_DESC_CNT; i++, tmp_rx++) { | |
1423 | tmp_rx->rdes0 = cpu_to_le32(0); | |
1424 | tmp_rx->rdes1 = cpu_to_le32(0x01000600); | |
1425 | tmp_rx_dma += sizeof(struct rx_desc); | |
1426 | tmp_rx->rdes3 = cpu_to_le32(tmp_rx_dma); | |
1427 | tmp_rx->next_rx_desc = tmp_rx + 1; | |
1428 | } | |
1429 | (--tmp_rx)->rdes3 = cpu_to_le32(db->first_rx_desc_dma); | |
1430 | tmp_rx->next_rx_desc = db->first_rx_desc; | |
1431 | ||
1432 | /* pre-allocate Rx buffer */ | |
1433 | allocate_rx_buffer(db); | |
1434 | } | |
1435 | ||
1436 | ||
1437 | /* | |
1438 | * Update CR6 value | |
1439 | * Firstly stop DM910X , then written value and start | |
1440 | */ | |
1441 | ||
1442 | static void update_cr6(u32 cr6_data, unsigned long ioaddr) | |
1443 | { | |
1444 | u32 cr6_tmp; | |
1445 | ||
1446 | cr6_tmp = cr6_data & ~0x2002; /* stop Tx/Rx */ | |
1447 | outl(cr6_tmp, ioaddr + DCR6); | |
1448 | udelay(5); | |
1449 | outl(cr6_data, ioaddr + DCR6); | |
1450 | udelay(5); | |
1451 | } | |
1452 | ||
1453 | ||
1454 | /* | |
1455 | * Send a setup frame for DM9132 | |
1456 | * This setup frame initilize DM910X address filter mode | |
1457 | */ | |
1458 | ||
1459 | static void dm9132_id_table(struct DEVICE *dev, int mc_cnt) | |
1460 | { | |
1461 | struct dev_mc_list *mcptr; | |
1462 | u16 * addrptr; | |
1463 | unsigned long ioaddr = dev->base_addr+0xc0; /* ID Table */ | |
1464 | u32 hash_val; | |
1465 | u16 i, hash_table[4]; | |
1466 | ||
1467 | DMFE_DBUG(0, "dm9132_id_table()", 0); | |
1468 | ||
1469 | /* Node address */ | |
1470 | addrptr = (u16 *) dev->dev_addr; | |
1471 | outw(addrptr[0], ioaddr); | |
1472 | ioaddr += 4; | |
1473 | outw(addrptr[1], ioaddr); | |
1474 | ioaddr += 4; | |
1475 | outw(addrptr[2], ioaddr); | |
1476 | ioaddr += 4; | |
1477 | ||
1478 | /* Clear Hash Table */ | |
1479 | for (i = 0; i < 4; i++) | |
1480 | hash_table[i] = 0x0; | |
1481 | ||
1482 | /* broadcast address */ | |
1483 | hash_table[3] = 0x8000; | |
1484 | ||
1485 | /* the multicast address in Hash Table : 64 bits */ | |
1486 | for (mcptr = dev->mc_list, i = 0; i < mc_cnt; i++, mcptr = mcptr->next) { | |
1487 | hash_val = cal_CRC( (char *) mcptr->dmi_addr, 6, 0) & 0x3f; | |
1488 | hash_table[hash_val / 16] |= (u16) 1 << (hash_val % 16); | |
1489 | } | |
1490 | ||
1491 | /* Write the hash table to MAC MD table */ | |
1492 | for (i = 0; i < 4; i++, ioaddr += 4) | |
1493 | outw(hash_table[i], ioaddr); | |
1494 | } | |
1495 | ||
1496 | ||
1497 | /* | |
1498 | * Send a setup frame for DM9102/DM9102A | |
1499 | * This setup frame initilize DM910X address filter mode | |
1500 | */ | |
1501 | ||
1502 | static void send_filter_frame(struct DEVICE *dev, int mc_cnt) | |
1503 | { | |
1504 | struct dmfe_board_info *db = netdev_priv(dev); | |
1505 | struct dev_mc_list *mcptr; | |
1506 | struct tx_desc *txptr; | |
1507 | u16 * addrptr; | |
1508 | u32 * suptr; | |
1509 | int i; | |
1510 | ||
1511 | DMFE_DBUG(0, "send_filter_frame()", 0); | |
1512 | ||
1513 | txptr = db->tx_insert_ptr; | |
1514 | suptr = (u32 *) txptr->tx_buf_ptr; | |
1515 | ||
1516 | /* Node address */ | |
1517 | addrptr = (u16 *) dev->dev_addr; | |
1518 | *suptr++ = addrptr[0]; | |
1519 | *suptr++ = addrptr[1]; | |
1520 | *suptr++ = addrptr[2]; | |
1521 | ||
1522 | /* broadcast address */ | |
1523 | *suptr++ = 0xffff; | |
1524 | *suptr++ = 0xffff; | |
1525 | *suptr++ = 0xffff; | |
1526 | ||
1527 | /* fit the multicast address */ | |
1528 | for (mcptr = dev->mc_list, i = 0; i < mc_cnt; i++, mcptr = mcptr->next) { | |
1529 | addrptr = (u16 *) mcptr->dmi_addr; | |
1530 | *suptr++ = addrptr[0]; | |
1531 | *suptr++ = addrptr[1]; | |
1532 | *suptr++ = addrptr[2]; | |
1533 | } | |
1534 | ||
1535 | for (; i<14; i++) { | |
1536 | *suptr++ = 0xffff; | |
1537 | *suptr++ = 0xffff; | |
1538 | *suptr++ = 0xffff; | |
1539 | } | |
1540 | ||
1541 | /* prepare the setup frame */ | |
1542 | db->tx_insert_ptr = txptr->next_tx_desc; | |
1543 | txptr->tdes1 = cpu_to_le32(0x890000c0); | |
1544 | ||
1545 | /* Resource Check and Send the setup packet */ | |
1546 | if (!db->tx_packet_cnt) { | |
1547 | /* Resource Empty */ | |
1548 | db->tx_packet_cnt++; | |
1549 | txptr->tdes0 = cpu_to_le32(0x80000000); | |
1550 | update_cr6(db->cr6_data | 0x2000, dev->base_addr); | |
1551 | outl(0x1, dev->base_addr + DCR1); /* Issue Tx polling */ | |
1552 | update_cr6(db->cr6_data, dev->base_addr); | |
1553 | dev->trans_start = jiffies; | |
1554 | } else | |
1555 | db->tx_queue_cnt++; /* Put in TX queue */ | |
1556 | } | |
1557 | ||
1558 | ||
1559 | /* | |
1560 | * Allocate rx buffer, | |
1561 | * As possible as allocate maxiumn Rx buffer | |
1562 | */ | |
1563 | ||
1564 | static void allocate_rx_buffer(struct dmfe_board_info *db) | |
1565 | { | |
1566 | struct rx_desc *rxptr; | |
1567 | struct sk_buff *skb; | |
1568 | ||
1569 | rxptr = db->rx_insert_ptr; | |
1570 | ||
1571 | while(db->rx_avail_cnt < RX_DESC_CNT) { | |
1572 | if ( ( skb = dev_alloc_skb(RX_ALLOC_SIZE) ) == NULL ) | |
1573 | break; | |
1574 | rxptr->rx_skb_ptr = skb; /* FIXME (?) */ | |
f67ba792 ML |
1575 | rxptr->rdes2 = cpu_to_le32( pci_map_single(db->pdev, skb->data, |
1576 | RX_ALLOC_SIZE, PCI_DMA_FROMDEVICE) ); | |
1da177e4 LT |
1577 | wmb(); |
1578 | rxptr->rdes0 = cpu_to_le32(0x80000000); | |
1579 | rxptr = rxptr->next_rx_desc; | |
1580 | db->rx_avail_cnt++; | |
1581 | } | |
1582 | ||
1583 | db->rx_insert_ptr = rxptr; | |
1584 | } | |
1585 | ||
1586 | ||
1587 | /* | |
1588 | * Read one word data from the serial ROM | |
1589 | */ | |
1590 | ||
1591 | static u16 read_srom_word(long ioaddr, int offset) | |
1592 | { | |
1593 | int i; | |
1594 | u16 srom_data = 0; | |
1595 | long cr9_ioaddr = ioaddr + DCR9; | |
1596 | ||
1597 | outl(CR9_SROM_READ, cr9_ioaddr); | |
1598 | outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr); | |
1599 | ||
1600 | /* Send the Read Command 110b */ | |
1601 | SROM_CLK_WRITE(SROM_DATA_1, cr9_ioaddr); | |
1602 | SROM_CLK_WRITE(SROM_DATA_1, cr9_ioaddr); | |
1603 | SROM_CLK_WRITE(SROM_DATA_0, cr9_ioaddr); | |
1604 | ||
1605 | /* Send the offset */ | |
1606 | for (i = 5; i >= 0; i--) { | |
1607 | srom_data = (offset & (1 << i)) ? SROM_DATA_1 : SROM_DATA_0; | |
1608 | SROM_CLK_WRITE(srom_data, cr9_ioaddr); | |
1609 | } | |
1610 | ||
1611 | outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr); | |
1612 | ||
1613 | for (i = 16; i > 0; i--) { | |
1614 | outl(CR9_SROM_READ | CR9_SRCS | CR9_SRCLK, cr9_ioaddr); | |
1615 | udelay(5); | |
f67ba792 ML |
1616 | srom_data = (srom_data << 1) | |
1617 | ((inl(cr9_ioaddr) & CR9_CRDOUT) ? 1 : 0); | |
1da177e4 LT |
1618 | outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr); |
1619 | udelay(5); | |
1620 | } | |
1621 | ||
1622 | outl(CR9_SROM_READ, cr9_ioaddr); | |
1623 | return srom_data; | |
1624 | } | |
1625 | ||
1626 | ||
1627 | /* | |
1628 | * Auto sense the media mode | |
1629 | */ | |
1630 | ||
1631 | static u8 dmfe_sense_speed(struct dmfe_board_info * db) | |
1632 | { | |
1633 | u8 ErrFlag = 0; | |
1634 | u16 phy_mode; | |
1635 | ||
1636 | /* CR6 bit18=0, select 10/100M */ | |
1637 | update_cr6( (db->cr6_data & ~0x40000), db->ioaddr); | |
1638 | ||
1639 | phy_mode = phy_read(db->ioaddr, db->phy_addr, 1, db->chip_id); | |
1640 | phy_mode = phy_read(db->ioaddr, db->phy_addr, 1, db->chip_id); | |
1641 | ||
1642 | if ( (phy_mode & 0x24) == 0x24 ) { | |
1643 | if (db->chip_id == PCI_DM9132_ID) /* DM9132 */ | |
f67ba792 ML |
1644 | phy_mode = phy_read(db->ioaddr, |
1645 | db->phy_addr, 7, db->chip_id) & 0xf000; | |
1da177e4 | 1646 | else /* DM9102/DM9102A */ |
f67ba792 ML |
1647 | phy_mode = phy_read(db->ioaddr, |
1648 | db->phy_addr, 17, db->chip_id) & 0xf000; | |
1da177e4 LT |
1649 | /* printk(DRV_NAME ": Phy_mode %x ",phy_mode); */ |
1650 | switch (phy_mode) { | |
1651 | case 0x1000: db->op_mode = DMFE_10MHF; break; | |
1652 | case 0x2000: db->op_mode = DMFE_10MFD; break; | |
1653 | case 0x4000: db->op_mode = DMFE_100MHF; break; | |
1654 | case 0x8000: db->op_mode = DMFE_100MFD; break; | |
1655 | default: db->op_mode = DMFE_10MHF; | |
1656 | ErrFlag = 1; | |
1657 | break; | |
1658 | } | |
1659 | } else { | |
1660 | db->op_mode = DMFE_10MHF; | |
1661 | DMFE_DBUG(0, "Link Failed :", phy_mode); | |
1662 | ErrFlag = 1; | |
1663 | } | |
1664 | ||
1665 | return ErrFlag; | |
1666 | } | |
1667 | ||
1668 | ||
1669 | /* | |
1670 | * Set 10/100 phyxcer capability | |
1671 | * AUTO mode : phyxcer register4 is NIC capability | |
1672 | * Force mode: phyxcer register4 is the force media | |
1673 | */ | |
1674 | ||
1675 | static void dmfe_set_phyxcer(struct dmfe_board_info *db) | |
1676 | { | |
1677 | u16 phy_reg; | |
1678 | ||
1679 | /* Select 10/100M phyxcer */ | |
1680 | db->cr6_data &= ~0x40000; | |
1681 | update_cr6(db->cr6_data, db->ioaddr); | |
1682 | ||
1683 | /* DM9009 Chip: Phyxcer reg18 bit12=0 */ | |
1684 | if (db->chip_id == PCI_DM9009_ID) { | |
f67ba792 ML |
1685 | phy_reg = phy_read(db->ioaddr, |
1686 | db->phy_addr, 18, db->chip_id) & ~0x1000; | |
1687 | ||
1688 | phy_write(db->ioaddr, | |
1689 | db->phy_addr, 18, phy_reg, db->chip_id); | |
1da177e4 LT |
1690 | } |
1691 | ||
1692 | /* Phyxcer capability setting */ | |
1693 | phy_reg = phy_read(db->ioaddr, db->phy_addr, 4, db->chip_id) & ~0x01e0; | |
1694 | ||
1695 | if (db->media_mode & DMFE_AUTO) { | |
1696 | /* AUTO Mode */ | |
1697 | phy_reg |= db->PHY_reg4; | |
1698 | } else { | |
1699 | /* Force Mode */ | |
1700 | switch(db->media_mode) { | |
1701 | case DMFE_10MHF: phy_reg |= 0x20; break; | |
1702 | case DMFE_10MFD: phy_reg |= 0x40; break; | |
1703 | case DMFE_100MHF: phy_reg |= 0x80; break; | |
1704 | case DMFE_100MFD: phy_reg |= 0x100; break; | |
1705 | } | |
1706 | if (db->chip_id == PCI_DM9009_ID) phy_reg &= 0x61; | |
1707 | } | |
1708 | ||
1709 | /* Write new capability to Phyxcer Reg4 */ | |
1710 | if ( !(phy_reg & 0x01e0)) { | |
1711 | phy_reg|=db->PHY_reg4; | |
1712 | db->media_mode|=DMFE_AUTO; | |
1713 | } | |
1714 | phy_write(db->ioaddr, db->phy_addr, 4, phy_reg, db->chip_id); | |
1715 | ||
1716 | /* Restart Auto-Negotiation */ | |
1717 | if ( db->chip_type && (db->chip_id == PCI_DM9102_ID) ) | |
1718 | phy_write(db->ioaddr, db->phy_addr, 0, 0x1800, db->chip_id); | |
1719 | if ( !db->chip_type ) | |
1720 | phy_write(db->ioaddr, db->phy_addr, 0, 0x1200, db->chip_id); | |
1721 | } | |
1722 | ||
1723 | ||
1724 | /* | |
1725 | * Process op-mode | |
1726 | * AUTO mode : PHY controller in Auto-negotiation Mode | |
1727 | * Force mode: PHY controller in force mode with HUB | |
1728 | * N-way force capability with SWITCH | |
1729 | */ | |
1730 | ||
1731 | static void dmfe_process_mode(struct dmfe_board_info *db) | |
1732 | { | |
1733 | u16 phy_reg; | |
1734 | ||
1735 | /* Full Duplex Mode Check */ | |
1736 | if (db->op_mode & 0x4) | |
1737 | db->cr6_data |= CR6_FDM; /* Set Full Duplex Bit */ | |
1738 | else | |
1739 | db->cr6_data &= ~CR6_FDM; /* Clear Full Duplex Bit */ | |
1740 | ||
1741 | /* Transciver Selection */ | |
1742 | if (db->op_mode & 0x10) /* 1M HomePNA */ | |
1743 | db->cr6_data |= 0x40000;/* External MII select */ | |
1744 | else | |
1745 | db->cr6_data &= ~0x40000;/* Internal 10/100 transciver */ | |
1746 | ||
1747 | update_cr6(db->cr6_data, db->ioaddr); | |
1748 | ||
1749 | /* 10/100M phyxcer force mode need */ | |
1750 | if ( !(db->media_mode & 0x18)) { | |
1751 | /* Forece Mode */ | |
1752 | phy_reg = phy_read(db->ioaddr, db->phy_addr, 6, db->chip_id); | |
1753 | if ( !(phy_reg & 0x1) ) { | |
1754 | /* parter without N-Way capability */ | |
1755 | phy_reg = 0x0; | |
1756 | switch(db->op_mode) { | |
1757 | case DMFE_10MHF: phy_reg = 0x0; break; | |
1758 | case DMFE_10MFD: phy_reg = 0x100; break; | |
1759 | case DMFE_100MHF: phy_reg = 0x2000; break; | |
1760 | case DMFE_100MFD: phy_reg = 0x2100; break; | |
1761 | } | |
f67ba792 ML |
1762 | phy_write(db->ioaddr, |
1763 | db->phy_addr, 0, phy_reg, db->chip_id); | |
1da177e4 LT |
1764 | if ( db->chip_type && (db->chip_id == PCI_DM9102_ID) ) |
1765 | mdelay(20); | |
f67ba792 ML |
1766 | phy_write(db->ioaddr, |
1767 | db->phy_addr, 0, phy_reg, db->chip_id); | |
1da177e4 LT |
1768 | } |
1769 | } | |
1770 | } | |
1771 | ||
1772 | ||
1773 | /* | |
1774 | * Write a word to Phy register | |
1775 | */ | |
1776 | ||
f67ba792 ML |
1777 | static void phy_write(unsigned long iobase, u8 phy_addr, u8 offset, |
1778 | u16 phy_data, u32 chip_id) | |
1da177e4 LT |
1779 | { |
1780 | u16 i; | |
1781 | unsigned long ioaddr; | |
1782 | ||
1783 | if (chip_id == PCI_DM9132_ID) { | |
1784 | ioaddr = iobase + 0x80 + offset * 4; | |
1785 | outw(phy_data, ioaddr); | |
1786 | } else { | |
1787 | /* DM9102/DM9102A Chip */ | |
1788 | ioaddr = iobase + DCR9; | |
1789 | ||
1790 | /* Send 33 synchronization clock to Phy controller */ | |
1791 | for (i = 0; i < 35; i++) | |
1792 | phy_write_1bit(ioaddr, PHY_DATA_1); | |
1793 | ||
1794 | /* Send start command(01) to Phy */ | |
1795 | phy_write_1bit(ioaddr, PHY_DATA_0); | |
1796 | phy_write_1bit(ioaddr, PHY_DATA_1); | |
1797 | ||
1798 | /* Send write command(01) to Phy */ | |
1799 | phy_write_1bit(ioaddr, PHY_DATA_0); | |
1800 | phy_write_1bit(ioaddr, PHY_DATA_1); | |
1801 | ||
1802 | /* Send Phy address */ | |
1803 | for (i = 0x10; i > 0; i = i >> 1) | |
f67ba792 ML |
1804 | phy_write_1bit(ioaddr, |
1805 | phy_addr & i ? PHY_DATA_1 : PHY_DATA_0); | |
1da177e4 LT |
1806 | |
1807 | /* Send register address */ | |
1808 | for (i = 0x10; i > 0; i = i >> 1) | |
f67ba792 ML |
1809 | phy_write_1bit(ioaddr, |
1810 | offset & i ? PHY_DATA_1 : PHY_DATA_0); | |
1da177e4 LT |
1811 | |
1812 | /* written trasnition */ | |
1813 | phy_write_1bit(ioaddr, PHY_DATA_1); | |
1814 | phy_write_1bit(ioaddr, PHY_DATA_0); | |
1815 | ||
1816 | /* Write a word data to PHY controller */ | |
1817 | for ( i = 0x8000; i > 0; i >>= 1) | |
f67ba792 ML |
1818 | phy_write_1bit(ioaddr, |
1819 | phy_data & i ? PHY_DATA_1 : PHY_DATA_0); | |
1da177e4 LT |
1820 | } |
1821 | } | |
1822 | ||
1823 | ||
1824 | /* | |
1825 | * Read a word data from phy register | |
1826 | */ | |
1827 | ||
1828 | static u16 phy_read(unsigned long iobase, u8 phy_addr, u8 offset, u32 chip_id) | |
1829 | { | |
1830 | int i; | |
1831 | u16 phy_data; | |
1832 | unsigned long ioaddr; | |
1833 | ||
1834 | if (chip_id == PCI_DM9132_ID) { | |
1835 | /* DM9132 Chip */ | |
1836 | ioaddr = iobase + 0x80 + offset * 4; | |
1837 | phy_data = inw(ioaddr); | |
1838 | } else { | |
1839 | /* DM9102/DM9102A Chip */ | |
1840 | ioaddr = iobase + DCR9; | |
1841 | ||
1842 | /* Send 33 synchronization clock to Phy controller */ | |
1843 | for (i = 0; i < 35; i++) | |
1844 | phy_write_1bit(ioaddr, PHY_DATA_1); | |
1845 | ||
1846 | /* Send start command(01) to Phy */ | |
1847 | phy_write_1bit(ioaddr, PHY_DATA_0); | |
1848 | phy_write_1bit(ioaddr, PHY_DATA_1); | |
1849 | ||
1850 | /* Send read command(10) to Phy */ | |
1851 | phy_write_1bit(ioaddr, PHY_DATA_1); | |
1852 | phy_write_1bit(ioaddr, PHY_DATA_0); | |
1853 | ||
1854 | /* Send Phy address */ | |
1855 | for (i = 0x10; i > 0; i = i >> 1) | |
f67ba792 ML |
1856 | phy_write_1bit(ioaddr, |
1857 | phy_addr & i ? PHY_DATA_1 : PHY_DATA_0); | |
1da177e4 LT |
1858 | |
1859 | /* Send register address */ | |
1860 | for (i = 0x10; i > 0; i = i >> 1) | |
f67ba792 ML |
1861 | phy_write_1bit(ioaddr, |
1862 | offset & i ? PHY_DATA_1 : PHY_DATA_0); | |
1da177e4 LT |
1863 | |
1864 | /* Skip transition state */ | |
1865 | phy_read_1bit(ioaddr); | |
1866 | ||
1867 | /* read 16bit data */ | |
1868 | for (phy_data = 0, i = 0; i < 16; i++) { | |
1869 | phy_data <<= 1; | |
1870 | phy_data |= phy_read_1bit(ioaddr); | |
1871 | } | |
1872 | } | |
1873 | ||
1874 | return phy_data; | |
1875 | } | |
1876 | ||
1877 | ||
1878 | /* | |
1879 | * Write one bit data to Phy Controller | |
1880 | */ | |
1881 | ||
1882 | static void phy_write_1bit(unsigned long ioaddr, u32 phy_data) | |
1883 | { | |
1884 | outl(phy_data, ioaddr); /* MII Clock Low */ | |
1885 | udelay(1); | |
1886 | outl(phy_data | MDCLKH, ioaddr); /* MII Clock High */ | |
1887 | udelay(1); | |
1888 | outl(phy_data, ioaddr); /* MII Clock Low */ | |
1889 | udelay(1); | |
1890 | } | |
1891 | ||
1892 | ||
1893 | /* | |
1894 | * Read one bit phy data from PHY controller | |
1895 | */ | |
1896 | ||
1897 | static u16 phy_read_1bit(unsigned long ioaddr) | |
1898 | { | |
1899 | u16 phy_data; | |
1900 | ||
1901 | outl(0x50000, ioaddr); | |
1902 | udelay(1); | |
1903 | phy_data = ( inl(ioaddr) >> 19 ) & 0x1; | |
1904 | outl(0x40000, ioaddr); | |
1905 | udelay(1); | |
1906 | ||
1907 | return phy_data; | |
1908 | } | |
1909 | ||
1910 | ||
1911 | /* | |
1912 | * Parser SROM and media mode | |
1913 | */ | |
1914 | ||
1915 | static void dmfe_parse_srom(struct dmfe_board_info * db) | |
1916 | { | |
1917 | char * srom = db->srom; | |
1918 | int dmfe_mode, tmp_reg; | |
1919 | ||
1920 | DMFE_DBUG(0, "dmfe_parse_srom() ", 0); | |
1921 | ||
1922 | /* Init CR15 */ | |
1923 | db->cr15_data = CR15_DEFAULT; | |
1924 | ||
1925 | /* Check SROM Version */ | |
1926 | if ( ( (int) srom[18] & 0xff) == SROM_V41_CODE) { | |
1927 | /* SROM V4.01 */ | |
1928 | /* Get NIC support media mode */ | |
4c93566e | 1929 | db->NIC_capability = le16_to_cpup((__le16 *) (srom + 34)); |
1da177e4 LT |
1930 | db->PHY_reg4 = 0; |
1931 | for (tmp_reg = 1; tmp_reg < 0x10; tmp_reg <<= 1) { | |
1932 | switch( db->NIC_capability & tmp_reg ) { | |
1933 | case 0x1: db->PHY_reg4 |= 0x0020; break; | |
1934 | case 0x2: db->PHY_reg4 |= 0x0040; break; | |
1935 | case 0x4: db->PHY_reg4 |= 0x0080; break; | |
1936 | case 0x8: db->PHY_reg4 |= 0x0100; break; | |
1937 | } | |
1938 | } | |
1939 | ||
1940 | /* Media Mode Force or not check */ | |
4c93566e DM |
1941 | dmfe_mode = (le32_to_cpup((__le32 *) (srom + 34)) & |
1942 | le32_to_cpup((__le32 *) (srom + 36))); | |
1da177e4 LT |
1943 | switch(dmfe_mode) { |
1944 | case 0x4: dmfe_media_mode = DMFE_100MHF; break; /* 100MHF */ | |
1945 | case 0x2: dmfe_media_mode = DMFE_10MFD; break; /* 10MFD */ | |
1946 | case 0x8: dmfe_media_mode = DMFE_100MFD; break; /* 100MFD */ | |
1947 | case 0x100: | |
1948 | case 0x200: dmfe_media_mode = DMFE_1M_HPNA; break;/* HomePNA */ | |
1949 | } | |
1950 | ||
1951 | /* Special Function setting */ | |
1952 | /* VLAN function */ | |
1953 | if ( (SF_mode & 0x1) || (srom[43] & 0x80) ) | |
1954 | db->cr15_data |= 0x40; | |
1955 | ||
1956 | /* Flow Control */ | |
1957 | if ( (SF_mode & 0x2) || (srom[40] & 0x1) ) | |
1958 | db->cr15_data |= 0x400; | |
1959 | ||
1960 | /* TX pause packet */ | |
1961 | if ( (SF_mode & 0x4) || (srom[40] & 0xe) ) | |
1962 | db->cr15_data |= 0x9800; | |
1963 | } | |
1964 | ||
1965 | /* Parse HPNA parameter */ | |
1966 | db->HPNA_command = 1; | |
1967 | ||
1968 | /* Accept remote command or not */ | |
1969 | if (HPNA_rx_cmd == 0) | |
1970 | db->HPNA_command |= 0x8000; | |
1971 | ||
1972 | /* Issue remote command & operation mode */ | |
1973 | if (HPNA_tx_cmd == 1) | |
1974 | switch(HPNA_mode) { /* Issue Remote Command */ | |
1975 | case 0: db->HPNA_command |= 0x0904; break; | |
1976 | case 1: db->HPNA_command |= 0x0a00; break; | |
1977 | case 2: db->HPNA_command |= 0x0506; break; | |
1978 | case 3: db->HPNA_command |= 0x0602; break; | |
1979 | } | |
1980 | else | |
1981 | switch(HPNA_mode) { /* Don't Issue */ | |
1982 | case 0: db->HPNA_command |= 0x0004; break; | |
1983 | case 1: db->HPNA_command |= 0x0000; break; | |
1984 | case 2: db->HPNA_command |= 0x0006; break; | |
1985 | case 3: db->HPNA_command |= 0x0002; break; | |
1986 | } | |
1987 | ||
1988 | /* Check DM9801 or DM9802 present or not */ | |
1989 | db->HPNA_present = 0; | |
1990 | update_cr6(db->cr6_data|0x40000, db->ioaddr); | |
1991 | tmp_reg = phy_read(db->ioaddr, db->phy_addr, 3, db->chip_id); | |
1992 | if ( ( tmp_reg & 0xfff0 ) == 0xb900 ) { | |
1993 | /* DM9801 or DM9802 present */ | |
1994 | db->HPNA_timer = 8; | |
1995 | if ( phy_read(db->ioaddr, db->phy_addr, 31, db->chip_id) == 0x4404) { | |
1996 | /* DM9801 HomeRun */ | |
1997 | db->HPNA_present = 1; | |
1998 | dmfe_program_DM9801(db, tmp_reg); | |
1999 | } else { | |
2000 | /* DM9802 LongRun */ | |
2001 | db->HPNA_present = 2; | |
2002 | dmfe_program_DM9802(db); | |
2003 | } | |
2004 | } | |
2005 | ||
2006 | } | |
2007 | ||
2008 | ||
2009 | /* | |
2010 | * Init HomeRun DM9801 | |
2011 | */ | |
2012 | ||
2013 | static void dmfe_program_DM9801(struct dmfe_board_info * db, int HPNA_rev) | |
2014 | { | |
2015 | uint reg17, reg25; | |
2016 | ||
2017 | if ( !HPNA_NoiseFloor ) HPNA_NoiseFloor = DM9801_NOISE_FLOOR; | |
2018 | switch(HPNA_rev) { | |
2019 | case 0xb900: /* DM9801 E3 */ | |
2020 | db->HPNA_command |= 0x1000; | |
2021 | reg25 = phy_read(db->ioaddr, db->phy_addr, 24, db->chip_id); | |
2022 | reg25 = ( (reg25 + HPNA_NoiseFloor) & 0xff) | 0xf000; | |
2023 | reg17 = phy_read(db->ioaddr, db->phy_addr, 17, db->chip_id); | |
2024 | break; | |
2025 | case 0xb901: /* DM9801 E4 */ | |
2026 | reg25 = phy_read(db->ioaddr, db->phy_addr, 25, db->chip_id); | |
2027 | reg25 = (reg25 & 0xff00) + HPNA_NoiseFloor; | |
2028 | reg17 = phy_read(db->ioaddr, db->phy_addr, 17, db->chip_id); | |
2029 | reg17 = (reg17 & 0xfff0) + HPNA_NoiseFloor + 3; | |
2030 | break; | |
2031 | case 0xb902: /* DM9801 E5 */ | |
2032 | case 0xb903: /* DM9801 E6 */ | |
2033 | default: | |
2034 | db->HPNA_command |= 0x1000; | |
2035 | reg25 = phy_read(db->ioaddr, db->phy_addr, 25, db->chip_id); | |
2036 | reg25 = (reg25 & 0xff00) + HPNA_NoiseFloor - 5; | |
2037 | reg17 = phy_read(db->ioaddr, db->phy_addr, 17, db->chip_id); | |
2038 | reg17 = (reg17 & 0xfff0) + HPNA_NoiseFloor; | |
2039 | break; | |
2040 | } | |
2041 | phy_write(db->ioaddr, db->phy_addr, 16, db->HPNA_command, db->chip_id); | |
2042 | phy_write(db->ioaddr, db->phy_addr, 17, reg17, db->chip_id); | |
2043 | phy_write(db->ioaddr, db->phy_addr, 25, reg25, db->chip_id); | |
2044 | } | |
2045 | ||
2046 | ||
2047 | /* | |
2048 | * Init HomeRun DM9802 | |
2049 | */ | |
2050 | ||
2051 | static void dmfe_program_DM9802(struct dmfe_board_info * db) | |
2052 | { | |
2053 | uint phy_reg; | |
2054 | ||
2055 | if ( !HPNA_NoiseFloor ) HPNA_NoiseFloor = DM9802_NOISE_FLOOR; | |
2056 | phy_write(db->ioaddr, db->phy_addr, 16, db->HPNA_command, db->chip_id); | |
2057 | phy_reg = phy_read(db->ioaddr, db->phy_addr, 25, db->chip_id); | |
2058 | phy_reg = ( phy_reg & 0xff00) + HPNA_NoiseFloor; | |
2059 | phy_write(db->ioaddr, db->phy_addr, 25, phy_reg, db->chip_id); | |
2060 | } | |
2061 | ||
2062 | ||
2063 | /* | |
2064 | * Check remote HPNA power and speed status. If not correct, | |
2065 | * issue command again. | |
2066 | */ | |
2067 | ||
2068 | static void dmfe_HPNA_remote_cmd_chk(struct dmfe_board_info * db) | |
2069 | { | |
2070 | uint phy_reg; | |
2071 | ||
2072 | /* Got remote device status */ | |
2073 | phy_reg = phy_read(db->ioaddr, db->phy_addr, 17, db->chip_id) & 0x60; | |
2074 | switch(phy_reg) { | |
2075 | case 0x00: phy_reg = 0x0a00;break; /* LP/LS */ | |
2076 | case 0x20: phy_reg = 0x0900;break; /* LP/HS */ | |
2077 | case 0x40: phy_reg = 0x0600;break; /* HP/LS */ | |
2078 | case 0x60: phy_reg = 0x0500;break; /* HP/HS */ | |
2079 | } | |
2080 | ||
2081 | /* Check remote device status match our setting ot not */ | |
2082 | if ( phy_reg != (db->HPNA_command & 0x0f00) ) { | |
f67ba792 ML |
2083 | phy_write(db->ioaddr, db->phy_addr, 16, db->HPNA_command, |
2084 | db->chip_id); | |
1da177e4 LT |
2085 | db->HPNA_timer=8; |
2086 | } else | |
2087 | db->HPNA_timer=600; /* Match, every 10 minutes, check */ | |
2088 | } | |
2089 | ||
2090 | ||
2091 | ||
2092 | static struct pci_device_id dmfe_pci_tbl[] = { | |
2093 | { 0x1282, 0x9132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_DM9132_ID }, | |
2094 | { 0x1282, 0x9102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_DM9102_ID }, | |
2095 | { 0x1282, 0x9100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_DM9100_ID }, | |
2096 | { 0x1282, 0x9009, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_DM9009_ID }, | |
2097 | { 0, } | |
2098 | }; | |
2099 | MODULE_DEVICE_TABLE(pci, dmfe_pci_tbl); | |
2100 | ||
2101 | ||
bc8a8387 ML |
2102 | #ifdef CONFIG_PM |
2103 | static int dmfe_suspend(struct pci_dev *pci_dev, pm_message_t state) | |
2104 | { | |
2105 | struct net_device *dev = pci_get_drvdata(pci_dev); | |
2106 | struct dmfe_board_info *db = netdev_priv(dev); | |
f1069046 | 2107 | u32 tmp; |
bc8a8387 ML |
2108 | |
2109 | /* Disable upper layer interface */ | |
2110 | netif_device_detach(dev); | |
2111 | ||
2112 | /* Disable Tx/Rx */ | |
2113 | db->cr6_data &= ~(CR6_RXSC | CR6_TXSC); | |
2114 | update_cr6(db->cr6_data, dev->base_addr); | |
2115 | ||
2116 | /* Disable Interrupt */ | |
2117 | outl(0, dev->base_addr + DCR7); | |
2118 | outl(inl (dev->base_addr + DCR5), dev->base_addr + DCR5); | |
2119 | ||
2120 | /* Fre RX buffers */ | |
2121 | dmfe_free_rxbuffer(db); | |
2122 | ||
f1069046 ML |
2123 | /* Enable WOL */ |
2124 | pci_read_config_dword(pci_dev, 0x40, &tmp); | |
2125 | tmp &= ~(DMFE_WOL_LINKCHANGE|DMFE_WOL_MAGICPACKET); | |
2126 | ||
2127 | if (db->wol_mode & WAKE_PHY) | |
2128 | tmp |= DMFE_WOL_LINKCHANGE; | |
2129 | if (db->wol_mode & WAKE_MAGIC) | |
2130 | tmp |= DMFE_WOL_MAGICPACKET; | |
2131 | ||
2132 | pci_write_config_dword(pci_dev, 0x40, tmp); | |
2133 | ||
2134 | pci_enable_wake(pci_dev, PCI_D3hot, 1); | |
2135 | pci_enable_wake(pci_dev, PCI_D3cold, 1); | |
2136 | ||
bc8a8387 | 2137 | /* Power down device*/ |
bc8a8387 | 2138 | pci_save_state(pci_dev); |
a31e23e1 | 2139 | pci_set_power_state(pci_dev, pci_choose_state (pci_dev, state)); |
bc8a8387 ML |
2140 | |
2141 | return 0; | |
2142 | } | |
2143 | ||
2144 | static int dmfe_resume(struct pci_dev *pci_dev) | |
2145 | { | |
2146 | struct net_device *dev = pci_get_drvdata(pci_dev); | |
f1069046 | 2147 | u32 tmp; |
bc8a8387 | 2148 | |
bc8a8387 | 2149 | pci_set_power_state(pci_dev, PCI_D0); |
65809b51 | 2150 | pci_restore_state(pci_dev); |
bc8a8387 ML |
2151 | |
2152 | /* Re-initilize DM910X board */ | |
2153 | dmfe_init_dm910x(dev); | |
2154 | ||
f1069046 ML |
2155 | /* Disable WOL */ |
2156 | pci_read_config_dword(pci_dev, 0x40, &tmp); | |
2157 | ||
2158 | tmp &= ~(DMFE_WOL_LINKCHANGE | DMFE_WOL_MAGICPACKET); | |
2159 | pci_write_config_dword(pci_dev, 0x40, tmp); | |
2160 | ||
2161 | pci_enable_wake(pci_dev, PCI_D3hot, 0); | |
2162 | pci_enable_wake(pci_dev, PCI_D3cold, 0); | |
2163 | ||
bc8a8387 ML |
2164 | /* Restart upper layer interface */ |
2165 | netif_device_attach(dev); | |
2166 | ||
2167 | return 0; | |
2168 | } | |
2169 | #else | |
2170 | #define dmfe_suspend NULL | |
2171 | #define dmfe_resume NULL | |
2172 | #endif | |
2173 | ||
1da177e4 LT |
2174 | static struct pci_driver dmfe_driver = { |
2175 | .name = "dmfe", | |
2176 | .id_table = dmfe_pci_tbl, | |
2177 | .probe = dmfe_init_one, | |
2178 | .remove = __devexit_p(dmfe_remove_one), | |
bc8a8387 ML |
2179 | .suspend = dmfe_suspend, |
2180 | .resume = dmfe_resume | |
1da177e4 LT |
2181 | }; |
2182 | ||
2183 | MODULE_AUTHOR("Sten Wang, sten_wang@davicom.com.tw"); | |
2184 | MODULE_DESCRIPTION("Davicom DM910X fast ethernet driver"); | |
2185 | MODULE_LICENSE("GPL"); | |
2186 | MODULE_VERSION(DRV_VERSION); | |
2187 | ||
2188 | module_param(debug, int, 0); | |
2189 | module_param(mode, byte, 0); | |
2190 | module_param(cr6set, int, 0); | |
2191 | module_param(chkmode, byte, 0); | |
2192 | module_param(HPNA_mode, byte, 0); | |
2193 | module_param(HPNA_rx_cmd, byte, 0); | |
2194 | module_param(HPNA_tx_cmd, byte, 0); | |
2195 | module_param(HPNA_NoiseFloor, byte, 0); | |
2196 | module_param(SF_mode, byte, 0); | |
2197 | MODULE_PARM_DESC(debug, "Davicom DM9xxx enable debugging (0-1)"); | |
f67ba792 ML |
2198 | MODULE_PARM_DESC(mode, "Davicom DM9xxx: " |
2199 | "Bit 0: 10/100Mbps, bit 2: duplex, bit 8: HomePNA"); | |
2200 | ||
2201 | MODULE_PARM_DESC(SF_mode, "Davicom DM9xxx special function " | |
2202 | "(bit 0: VLAN, bit 1 Flow Control, bit 2: TX pause packet)"); | |
1da177e4 LT |
2203 | |
2204 | /* Description: | |
2205 | * when user used insmod to add module, system invoked init_module() | |
2206 | * to initilize and register. | |
2207 | */ | |
2208 | ||
2209 | static int __init dmfe_init_module(void) | |
2210 | { | |
2211 | int rc; | |
2212 | ||
2213 | printk(version); | |
2214 | printed_version = 1; | |
2215 | ||
2216 | DMFE_DBUG(0, "init_module() ", debug); | |
2217 | ||
2218 | if (debug) | |
2219 | dmfe_debug = debug; /* set debug flag */ | |
2220 | if (cr6set) | |
2221 | dmfe_cr6_user_set = cr6set; | |
2222 | ||
2223 | switch(mode) { | |
2224 | case DMFE_10MHF: | |
2225 | case DMFE_100MHF: | |
2226 | case DMFE_10MFD: | |
2227 | case DMFE_100MFD: | |
2228 | case DMFE_1M_HPNA: | |
2229 | dmfe_media_mode = mode; | |
2230 | break; | |
2231 | default:dmfe_media_mode = DMFE_AUTO; | |
2232 | break; | |
2233 | } | |
2234 | ||
2235 | if (HPNA_mode > 4) | |
2236 | HPNA_mode = 0; /* Default: LP/HS */ | |
2237 | if (HPNA_rx_cmd > 1) | |
2238 | HPNA_rx_cmd = 0; /* Default: Ignored remote cmd */ | |
2239 | if (HPNA_tx_cmd > 1) | |
2240 | HPNA_tx_cmd = 0; /* Default: Don't issue remote cmd */ | |
2241 | if (HPNA_NoiseFloor > 15) | |
2242 | HPNA_NoiseFloor = 0; | |
2243 | ||
29917620 | 2244 | rc = pci_register_driver(&dmfe_driver); |
1da177e4 LT |
2245 | if (rc < 0) |
2246 | return rc; | |
2247 | ||
2248 | return 0; | |
2249 | } | |
2250 | ||
2251 | ||
2252 | /* | |
2253 | * Description: | |
2254 | * when user used rmmod to delete module, system invoked clean_module() | |
2255 | * to un-register all registered services. | |
2256 | */ | |
2257 | ||
2258 | static void __exit dmfe_cleanup_module(void) | |
2259 | { | |
2260 | DMFE_DBUG(0, "dmfe_clean_module() ", debug); | |
2261 | pci_unregister_driver(&dmfe_driver); | |
2262 | } | |
2263 | ||
2264 | module_init(dmfe_init_module); | |
2265 | module_exit(dmfe_cleanup_module); |