diff options
author | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-04-02 09:20:12 -0400 |
---|---|---|
committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-08-10 22:54:25 -0400 |
commit | 644570b830266ff33ff5f3542b9c838f93a55ea6 (patch) | |
tree | b19c680ce1b1e4cd15465c74aa335459068c033f /drivers/net/ethernet/8390/wd.c | |
parent | b955f6ca776f3bab3d1e2c5fb1d247b203cbda14 (diff) |
8390: Move the 8390 related drivers
Moves the drivers for the National Semi-conductor 8390 chipset into
drivers/net/ethernet/8390/ and the necessary Kconfig and Makefile
changes.
CC: Donald Becker <becker@scyld.com>
CC: Paul Gortmaker <paul.gortmaker@windriver.com>
CC: Alain Malek <alain.malek@cryogen.com>
CC: Peter De Schrijver <p2@mind.be>
CC: "David Huggins-Daines" <dhd@debian.org>
CC: Wim Dumon <wimpie@kotnet.org>
CC: Yoshinori Sato <ysato@users.sourceforge.jp>
CC: David Hinds <dahinds@users.sourceforge.net>
CC: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/8390/wd.c')
-rw-r--r-- | drivers/net/ethernet/8390/wd.c | 567 |
1 files changed, 567 insertions, 0 deletions
diff --git a/drivers/net/ethernet/8390/wd.c b/drivers/net/ethernet/8390/wd.c new file mode 100644 index 000000000000..8831a3393ecf --- /dev/null +++ b/drivers/net/ethernet/8390/wd.c | |||
@@ -0,0 +1,567 @@ | |||
1 | /* wd.c: A WD80x3 ethernet driver for linux. */ | ||
2 | /* | ||
3 | Written 1993-94 by Donald Becker. | ||
4 | |||
5 | Copyright 1993 United States Government as represented by the | ||
6 | Director, National Security Agency. | ||
7 | |||
8 | This software may be used and distributed according to the terms | ||
9 | of the GNU General Public License, incorporated herein by reference. | ||
10 | |||
11 | The author may be reached as becker@scyld.com, or C/O | ||
12 | Scyld Computing Corporation | ||
13 | 410 Severn Ave., Suite 210 | ||
14 | Annapolis MD 21403 | ||
15 | |||
16 | This is a driver for WD8003 and WD8013 "compatible" ethercards. | ||
17 | |||
18 | Thanks to Russ Nelson (nelson@crnwyr.com) for loaning me a WD8013. | ||
19 | |||
20 | Changelog: | ||
21 | |||
22 | Paul Gortmaker : multiple card support for module users, support | ||
23 | for non-standard memory sizes. | ||
24 | |||
25 | |||
26 | */ | ||
27 | |||
28 | static const char version[] = | ||
29 | "wd.c:v1.10 9/23/94 Donald Becker (becker@cesdis.gsfc.nasa.gov)\n"; | ||
30 | |||
31 | #include <linux/module.h> | ||
32 | #include <linux/kernel.h> | ||
33 | #include <linux/errno.h> | ||
34 | #include <linux/string.h> | ||
35 | #include <linux/init.h> | ||
36 | #include <linux/interrupt.h> | ||
37 | #include <linux/delay.h> | ||
38 | #include <linux/netdevice.h> | ||
39 | #include <linux/etherdevice.h> | ||
40 | |||
41 | #include <asm/io.h> | ||
42 | #include <asm/system.h> | ||
43 | |||
44 | #include "8390.h" | ||
45 | |||
46 | #define DRV_NAME "wd" | ||
47 | |||
48 | /* A zero-terminated list of I/O addresses to be probed. */ | ||
49 | static unsigned int wd_portlist[] __initdata = | ||
50 | {0x300, 0x280, 0x380, 0x240, 0}; | ||
51 | |||
52 | static int wd_probe1(struct net_device *dev, int ioaddr); | ||
53 | |||
54 | static int wd_open(struct net_device *dev); | ||
55 | static void wd_reset_8390(struct net_device *dev); | ||
56 | static void wd_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, | ||
57 | int ring_page); | ||
58 | static void wd_block_input(struct net_device *dev, int count, | ||
59 | struct sk_buff *skb, int ring_offset); | ||
60 | static void wd_block_output(struct net_device *dev, int count, | ||
61 | const unsigned char *buf, int start_page); | ||
62 | static int wd_close(struct net_device *dev); | ||
63 | |||
64 | |||
65 | #define WD_START_PG 0x00 /* First page of TX buffer */ | ||
66 | #define WD03_STOP_PG 0x20 /* Last page +1 of RX ring */ | ||
67 | #define WD13_STOP_PG 0x40 /* Last page +1 of RX ring */ | ||
68 | |||
69 | #define WD_CMDREG 0 /* Offset to ASIC command register. */ | ||
70 | #define WD_RESET 0x80 /* Board reset, in WD_CMDREG. */ | ||
71 | #define WD_MEMENB 0x40 /* Enable the shared memory. */ | ||
72 | #define WD_CMDREG5 5 /* Offset to 16-bit-only ASIC register 5. */ | ||
73 | #define ISA16 0x80 /* Enable 16 bit access from the ISA bus. */ | ||
74 | #define NIC16 0x40 /* Enable 16 bit access from the 8390. */ | ||
75 | #define WD_NIC_OFFSET 16 /* Offset to the 8390 from the base_addr. */ | ||
76 | #define WD_IO_EXTENT 32 | ||
77 | |||
78 | |||
79 | /* Probe for the WD8003 and WD8013. These cards have the station | ||
80 | address PROM at I/O ports <base>+8 to <base>+13, with a checksum | ||
81 | following. A Soundblaster can have the same checksum as an WDethercard, | ||
82 | so we have an extra exclusionary check for it. | ||
83 | |||
84 | The wd_probe1() routine initializes the card and fills the | ||
85 | station address field. */ | ||
86 | |||
87 | static int __init do_wd_probe(struct net_device *dev) | ||
88 | { | ||
89 | int i; | ||
90 | struct resource *r; | ||
91 | int base_addr = dev->base_addr; | ||
92 | int irq = dev->irq; | ||
93 | int mem_start = dev->mem_start; | ||
94 | int mem_end = dev->mem_end; | ||
95 | |||
96 | if (base_addr > 0x1ff) { /* Check a user specified location. */ | ||
97 | r = request_region(base_addr, WD_IO_EXTENT, "wd-probe"); | ||
98 | if ( r == NULL) | ||
99 | return -EBUSY; | ||
100 | i = wd_probe1(dev, base_addr); | ||
101 | if (i != 0) | ||
102 | release_region(base_addr, WD_IO_EXTENT); | ||
103 | else | ||
104 | r->name = dev->name; | ||
105 | return i; | ||
106 | } | ||
107 | else if (base_addr != 0) /* Don't probe at all. */ | ||
108 | return -ENXIO; | ||
109 | |||
110 | for (i = 0; wd_portlist[i]; i++) { | ||
111 | int ioaddr = wd_portlist[i]; | ||
112 | r = request_region(ioaddr, WD_IO_EXTENT, "wd-probe"); | ||
113 | if (r == NULL) | ||
114 | continue; | ||
115 | if (wd_probe1(dev, ioaddr) == 0) { | ||
116 | r->name = dev->name; | ||
117 | return 0; | ||
118 | } | ||
119 | release_region(ioaddr, WD_IO_EXTENT); | ||
120 | dev->irq = irq; | ||
121 | dev->mem_start = mem_start; | ||
122 | dev->mem_end = mem_end; | ||
123 | } | ||
124 | |||
125 | return -ENODEV; | ||
126 | } | ||
127 | |||
128 | #ifndef MODULE | ||
129 | struct net_device * __init wd_probe(int unit) | ||
130 | { | ||
131 | struct net_device *dev = alloc_ei_netdev(); | ||
132 | int err; | ||
133 | |||
134 | if (!dev) | ||
135 | return ERR_PTR(-ENOMEM); | ||
136 | |||
137 | sprintf(dev->name, "eth%d", unit); | ||
138 | netdev_boot_setup_check(dev); | ||
139 | |||
140 | err = do_wd_probe(dev); | ||
141 | if (err) | ||
142 | goto out; | ||
143 | return dev; | ||
144 | out: | ||
145 | free_netdev(dev); | ||
146 | return ERR_PTR(err); | ||
147 | } | ||
148 | #endif | ||
149 | |||
150 | static const struct net_device_ops wd_netdev_ops = { | ||
151 | .ndo_open = wd_open, | ||
152 | .ndo_stop = wd_close, | ||
153 | .ndo_start_xmit = ei_start_xmit, | ||
154 | .ndo_tx_timeout = ei_tx_timeout, | ||
155 | .ndo_get_stats = ei_get_stats, | ||
156 | .ndo_set_multicast_list = ei_set_multicast_list, | ||
157 | .ndo_validate_addr = eth_validate_addr, | ||
158 | .ndo_set_mac_address = eth_mac_addr, | ||
159 | .ndo_change_mtu = eth_change_mtu, | ||
160 | #ifdef CONFIG_NET_POLL_CONTROLLER | ||
161 | .ndo_poll_controller = ei_poll, | ||
162 | #endif | ||
163 | }; | ||
164 | |||
165 | static int __init wd_probe1(struct net_device *dev, int ioaddr) | ||
166 | { | ||
167 | int i; | ||
168 | int err; | ||
169 | int checksum = 0; | ||
170 | int ancient = 0; /* An old card without config registers. */ | ||
171 | int word16 = 0; /* 0 = 8 bit, 1 = 16 bit */ | ||
172 | const char *model_name; | ||
173 | static unsigned version_printed; | ||
174 | |||
175 | for (i = 0; i < 8; i++) | ||
176 | checksum += inb(ioaddr + 8 + i); | ||
177 | if (inb(ioaddr + 8) == 0xff /* Extra check to avoid soundcard. */ | ||
178 | || inb(ioaddr + 9) == 0xff | ||
179 | || (checksum & 0xff) != 0xFF) | ||
180 | return -ENODEV; | ||
181 | |||
182 | /* Check for semi-valid mem_start/end values if supplied. */ | ||
183 | if ((dev->mem_start % 0x2000) || (dev->mem_end % 0x2000)) { | ||
184 | printk(KERN_WARNING "wd.c: user supplied mem_start or mem_end not on 8kB boundary - ignored.\n"); | ||
185 | dev->mem_start = 0; | ||
186 | dev->mem_end = 0; | ||
187 | } | ||
188 | |||
189 | if (ei_debug && version_printed++ == 0) | ||
190 | printk(version); | ||
191 | |||
192 | for (i = 0; i < 6; i++) | ||
193 | dev->dev_addr[i] = inb(ioaddr + 8 + i); | ||
194 | |||
195 | printk("%s: WD80x3 at %#3x, %pM", | ||
196 | dev->name, ioaddr, dev->dev_addr); | ||
197 | |||
198 | /* The following PureData probe code was contributed by | ||
199 | Mike Jagdis <jaggy@purplet.demon.co.uk>. Puredata does software | ||
200 | configuration differently from others so we have to check for them. | ||
201 | This detects an 8 bit, 16 bit or dumb (Toshiba, jumpered) card. | ||
202 | */ | ||
203 | if (inb(ioaddr+0) == 'P' && inb(ioaddr+1) == 'D') { | ||
204 | unsigned char reg5 = inb(ioaddr+5); | ||
205 | |||
206 | switch (inb(ioaddr+2)) { | ||
207 | case 0x03: word16 = 0; model_name = "PDI8023-8"; break; | ||
208 | case 0x05: word16 = 0; model_name = "PDUC8023"; break; | ||
209 | case 0x0a: word16 = 1; model_name = "PDI8023-16"; break; | ||
210 | /* Either 0x01 (dumb) or they've released a new version. */ | ||
211 | default: word16 = 0; model_name = "PDI8023"; break; | ||
212 | } | ||
213 | dev->mem_start = ((reg5 & 0x1c) + 0xc0) << 12; | ||
214 | dev->irq = (reg5 & 0xe0) == 0xe0 ? 10 : (reg5 >> 5) + 1; | ||
215 | } else { /* End of PureData probe */ | ||
216 | /* This method of checking for a 16-bit board is borrowed from the | ||
217 | we.c driver. A simpler method is just to look in ASIC reg. 0x03. | ||
218 | I'm comparing the two method in alpha test to make certain they | ||
219 | return the same result. */ | ||
220 | /* Check for the old 8 bit board - it has register 0/8 aliasing. | ||
221 | Do NOT check i>=6 here -- it hangs the old 8003 boards! */ | ||
222 | for (i = 0; i < 6; i++) | ||
223 | if (inb(ioaddr+i) != inb(ioaddr+8+i)) | ||
224 | break; | ||
225 | if (i >= 6) { | ||
226 | ancient = 1; | ||
227 | model_name = "WD8003-old"; | ||
228 | word16 = 0; | ||
229 | } else { | ||
230 | int tmp = inb(ioaddr+1); /* fiddle with 16bit bit */ | ||
231 | outb( tmp ^ 0x01, ioaddr+1 ); /* attempt to clear 16bit bit */ | ||
232 | if (((inb( ioaddr+1) & 0x01) == 0x01) /* A 16 bit card */ | ||
233 | && (tmp & 0x01) == 0x01 ) { /* In a 16 slot. */ | ||
234 | int asic_reg5 = inb(ioaddr+WD_CMDREG5); | ||
235 | /* Magic to set ASIC to word-wide mode. */ | ||
236 | outb( NIC16 | (asic_reg5&0x1f), ioaddr+WD_CMDREG5); | ||
237 | outb(tmp, ioaddr+1); | ||
238 | model_name = "WD8013"; | ||
239 | word16 = 1; /* We have a 16bit board here! */ | ||
240 | } else { | ||
241 | model_name = "WD8003"; | ||
242 | word16 = 0; | ||
243 | } | ||
244 | outb(tmp, ioaddr+1); /* Restore original reg1 value. */ | ||
245 | } | ||
246 | #ifndef final_version | ||
247 | if ( !ancient && (inb(ioaddr+1) & 0x01) != (word16 & 0x01)) | ||
248 | printk("\nWD80?3: Bus width conflict, %d (probe) != %d (reg report).", | ||
249 | word16 ? 16 : 8, (inb(ioaddr+1) & 0x01) ? 16 : 8); | ||
250 | #endif | ||
251 | } | ||
252 | |||
253 | #if defined(WD_SHMEM) && WD_SHMEM > 0x80000 | ||
254 | /* Allow a compile-time override. */ | ||
255 | dev->mem_start = WD_SHMEM; | ||
256 | #else | ||
257 | if (dev->mem_start == 0) { | ||
258 | /* Sanity and old 8003 check */ | ||
259 | int reg0 = inb(ioaddr); | ||
260 | if (reg0 == 0xff || reg0 == 0) { | ||
261 | /* Future plan: this could check a few likely locations first. */ | ||
262 | dev->mem_start = 0xd0000; | ||
263 | printk(" assigning address %#lx", dev->mem_start); | ||
264 | } else { | ||
265 | int high_addr_bits = inb(ioaddr+WD_CMDREG5) & 0x1f; | ||
266 | /* Some boards don't have the register 5 -- it returns 0xff. */ | ||
267 | if (high_addr_bits == 0x1f || word16 == 0) | ||
268 | high_addr_bits = 0x01; | ||
269 | dev->mem_start = ((reg0&0x3f) << 13) + (high_addr_bits << 19); | ||
270 | } | ||
271 | } | ||
272 | #endif | ||
273 | |||
274 | /* The 8390 isn't at the base address -- the ASIC regs are there! */ | ||
275 | dev->base_addr = ioaddr+WD_NIC_OFFSET; | ||
276 | |||
277 | if (dev->irq < 2) { | ||
278 | static const int irqmap[] = {9, 3, 5, 7, 10, 11, 15, 4}; | ||
279 | int reg1 = inb(ioaddr+1); | ||
280 | int reg4 = inb(ioaddr+4); | ||
281 | if (ancient || reg1 == 0xff) { /* Ack!! No way to read the IRQ! */ | ||
282 | short nic_addr = ioaddr+WD_NIC_OFFSET; | ||
283 | unsigned long irq_mask; | ||
284 | |||
285 | /* We have an old-style ethercard that doesn't report its IRQ | ||
286 | line. Do autoirq to find the IRQ line. Note that this IS NOT | ||
287 | a reliable way to trigger an interrupt. */ | ||
288 | outb_p(E8390_NODMA + E8390_STOP, nic_addr); | ||
289 | outb(0x00, nic_addr+EN0_IMR); /* Disable all intrs. */ | ||
290 | |||
291 | irq_mask = probe_irq_on(); | ||
292 | outb_p(0xff, nic_addr + EN0_IMR); /* Enable all interrupts. */ | ||
293 | outb_p(0x00, nic_addr + EN0_RCNTLO); | ||
294 | outb_p(0x00, nic_addr + EN0_RCNTHI); | ||
295 | outb(E8390_RREAD+E8390_START, nic_addr); /* Trigger it... */ | ||
296 | mdelay(20); | ||
297 | dev->irq = probe_irq_off(irq_mask); | ||
298 | |||
299 | outb_p(0x00, nic_addr+EN0_IMR); /* Mask all intrs. again. */ | ||
300 | |||
301 | if (ei_debug > 2) | ||
302 | printk(" autoirq is %d", dev->irq); | ||
303 | if (dev->irq < 2) | ||
304 | dev->irq = word16 ? 10 : 5; | ||
305 | } else | ||
306 | dev->irq = irqmap[((reg4 >> 5) & 0x03) + (reg1 & 0x04)]; | ||
307 | } else if (dev->irq == 2) /* Fixup bogosity: IRQ2 is really IRQ9 */ | ||
308 | dev->irq = 9; | ||
309 | |||
310 | /* Snarf the interrupt now. There's no point in waiting since we cannot | ||
311 | share and the board will usually be enabled. */ | ||
312 | i = request_irq(dev->irq, ei_interrupt, 0, DRV_NAME, dev); | ||
313 | if (i) { | ||
314 | printk (" unable to get IRQ %d.\n", dev->irq); | ||
315 | return i; | ||
316 | } | ||
317 | |||
318 | /* OK, were are certain this is going to work. Setup the device. */ | ||
319 | ei_status.name = model_name; | ||
320 | ei_status.word16 = word16; | ||
321 | ei_status.tx_start_page = WD_START_PG; | ||
322 | ei_status.rx_start_page = WD_START_PG + TX_PAGES; | ||
323 | |||
324 | /* Don't map in the shared memory until the board is actually opened. */ | ||
325 | |||
326 | /* Some cards (eg WD8003EBT) can be jumpered for more (32k!) memory. */ | ||
327 | if (dev->mem_end != 0) { | ||
328 | ei_status.stop_page = (dev->mem_end - dev->mem_start)/256; | ||
329 | ei_status.priv = dev->mem_end - dev->mem_start; | ||
330 | } else { | ||
331 | ei_status.stop_page = word16 ? WD13_STOP_PG : WD03_STOP_PG; | ||
332 | dev->mem_end = dev->mem_start + (ei_status.stop_page - WD_START_PG)*256; | ||
333 | ei_status.priv = (ei_status.stop_page - WD_START_PG)*256; | ||
334 | } | ||
335 | |||
336 | ei_status.mem = ioremap(dev->mem_start, ei_status.priv); | ||
337 | if (!ei_status.mem) { | ||
338 | free_irq(dev->irq, dev); | ||
339 | return -ENOMEM; | ||
340 | } | ||
341 | |||
342 | printk(" %s, IRQ %d, shared memory at %#lx-%#lx.\n", | ||
343 | model_name, dev->irq, dev->mem_start, dev->mem_end-1); | ||
344 | |||
345 | ei_status.reset_8390 = wd_reset_8390; | ||
346 | ei_status.block_input = wd_block_input; | ||
347 | ei_status.block_output = wd_block_output; | ||
348 | ei_status.get_8390_hdr = wd_get_8390_hdr; | ||
349 | |||
350 | dev->netdev_ops = &wd_netdev_ops; | ||
351 | NS8390_init(dev, 0); | ||
352 | |||
353 | #if 1 | ||
354 | /* Enable interrupt generation on softconfig cards -- M.U */ | ||
355 | /* .. but possibly potentially unsafe - Donald */ | ||
356 | if (inb(ioaddr+14) & 0x20) | ||
357 | outb(inb(ioaddr+4)|0x80, ioaddr+4); | ||
358 | #endif | ||
359 | |||
360 | err = register_netdev(dev); | ||
361 | if (err) { | ||
362 | free_irq(dev->irq, dev); | ||
363 | iounmap(ei_status.mem); | ||
364 | } | ||
365 | return err; | ||
366 | } | ||
367 | |||
368 | static int | ||
369 | wd_open(struct net_device *dev) | ||
370 | { | ||
371 | int ioaddr = dev->base_addr - WD_NIC_OFFSET; /* WD_CMDREG */ | ||
372 | |||
373 | /* Map in the shared memory. Always set register 0 last to remain | ||
374 | compatible with very old boards. */ | ||
375 | ei_status.reg0 = ((dev->mem_start>>13) & 0x3f) | WD_MEMENB; | ||
376 | ei_status.reg5 = ((dev->mem_start>>19) & 0x1f) | NIC16; | ||
377 | |||
378 | if (ei_status.word16) | ||
379 | outb(ei_status.reg5, ioaddr+WD_CMDREG5); | ||
380 | outb(ei_status.reg0, ioaddr); /* WD_CMDREG */ | ||
381 | |||
382 | return ei_open(dev); | ||
383 | } | ||
384 | |||
385 | static void | ||
386 | wd_reset_8390(struct net_device *dev) | ||
387 | { | ||
388 | int wd_cmd_port = dev->base_addr - WD_NIC_OFFSET; /* WD_CMDREG */ | ||
389 | |||
390 | outb(WD_RESET, wd_cmd_port); | ||
391 | if (ei_debug > 1) printk("resetting the WD80x3 t=%lu...", jiffies); | ||
392 | ei_status.txing = 0; | ||
393 | |||
394 | /* Set up the ASIC registers, just in case something changed them. */ | ||
395 | outb((((dev->mem_start>>13) & 0x3f)|WD_MEMENB), wd_cmd_port); | ||
396 | if (ei_status.word16) | ||
397 | outb(NIC16 | ((dev->mem_start>>19) & 0x1f), wd_cmd_port+WD_CMDREG5); | ||
398 | |||
399 | if (ei_debug > 1) printk("reset done\n"); | ||
400 | } | ||
401 | |||
402 | /* Grab the 8390 specific header. Similar to the block_input routine, but | ||
403 | we don't need to be concerned with ring wrap as the header will be at | ||
404 | the start of a page, so we optimize accordingly. */ | ||
405 | |||
406 | static void | ||
407 | wd_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page) | ||
408 | { | ||
409 | |||
410 | int wd_cmdreg = dev->base_addr - WD_NIC_OFFSET; /* WD_CMDREG */ | ||
411 | void __iomem *hdr_start = ei_status.mem + ((ring_page - WD_START_PG)<<8); | ||
412 | |||
413 | /* We'll always get a 4 byte header read followed by a packet read, so | ||
414 | we enable 16 bit mode before the header, and disable after the body. */ | ||
415 | if (ei_status.word16) | ||
416 | outb(ISA16 | ei_status.reg5, wd_cmdreg+WD_CMDREG5); | ||
417 | |||
418 | #ifdef __BIG_ENDIAN | ||
419 | /* Officially this is what we are doing, but the readl() is faster */ | ||
420 | /* unfortunately it isn't endian aware of the struct */ | ||
421 | memcpy_fromio(hdr, hdr_start, sizeof(struct e8390_pkt_hdr)); | ||
422 | hdr->count = le16_to_cpu(hdr->count); | ||
423 | #else | ||
424 | ((unsigned int*)hdr)[0] = readl(hdr_start); | ||
425 | #endif | ||
426 | } | ||
427 | |||
428 | /* Block input and output are easy on shared memory ethercards, and trivial | ||
429 | on the Western digital card where there is no choice of how to do it. | ||
430 | The only complications are that the ring buffer wraps, and need to map | ||
431 | switch between 8- and 16-bit modes. */ | ||
432 | |||
433 | static void | ||
434 | wd_block_input(struct net_device *dev, int count, struct sk_buff *skb, int ring_offset) | ||
435 | { | ||
436 | int wd_cmdreg = dev->base_addr - WD_NIC_OFFSET; /* WD_CMDREG */ | ||
437 | unsigned long offset = ring_offset - (WD_START_PG<<8); | ||
438 | void __iomem *xfer_start = ei_status.mem + offset; | ||
439 | |||
440 | if (offset + count > ei_status.priv) { | ||
441 | /* We must wrap the input move. */ | ||
442 | int semi_count = ei_status.priv - offset; | ||
443 | memcpy_fromio(skb->data, xfer_start, semi_count); | ||
444 | count -= semi_count; | ||
445 | memcpy_fromio(skb->data + semi_count, ei_status.mem + TX_PAGES * 256, count); | ||
446 | } else { | ||
447 | /* Packet is in one chunk -- we can copy + cksum. */ | ||
448 | memcpy_fromio(skb->data, xfer_start, count); | ||
449 | } | ||
450 | |||
451 | /* Turn off 16 bit access so that reboot works. ISA brain-damage */ | ||
452 | if (ei_status.word16) | ||
453 | outb(ei_status.reg5, wd_cmdreg+WD_CMDREG5); | ||
454 | } | ||
455 | |||
456 | static void | ||
457 | wd_block_output(struct net_device *dev, int count, const unsigned char *buf, | ||
458 | int start_page) | ||
459 | { | ||
460 | int wd_cmdreg = dev->base_addr - WD_NIC_OFFSET; /* WD_CMDREG */ | ||
461 | void __iomem *shmem = ei_status.mem + ((start_page - WD_START_PG)<<8); | ||
462 | |||
463 | |||
464 | if (ei_status.word16) { | ||
465 | /* Turn on and off 16 bit access so that reboot works. */ | ||
466 | outb(ISA16 | ei_status.reg5, wd_cmdreg+WD_CMDREG5); | ||
467 | memcpy_toio(shmem, buf, count); | ||
468 | outb(ei_status.reg5, wd_cmdreg+WD_CMDREG5); | ||
469 | } else | ||
470 | memcpy_toio(shmem, buf, count); | ||
471 | } | ||
472 | |||
473 | |||
474 | static int | ||
475 | wd_close(struct net_device *dev) | ||
476 | { | ||
477 | int wd_cmdreg = dev->base_addr - WD_NIC_OFFSET; /* WD_CMDREG */ | ||
478 | |||
479 | if (ei_debug > 1) | ||
480 | printk("%s: Shutting down ethercard.\n", dev->name); | ||
481 | ei_close(dev); | ||
482 | |||
483 | /* Change from 16-bit to 8-bit shared memory so reboot works. */ | ||
484 | if (ei_status.word16) | ||
485 | outb(ei_status.reg5, wd_cmdreg + WD_CMDREG5 ); | ||
486 | |||
487 | /* And disable the shared memory. */ | ||
488 | outb(ei_status.reg0 & ~WD_MEMENB, wd_cmdreg); | ||
489 | |||
490 | return 0; | ||
491 | } | ||
492 | |||
493 | |||
494 | #ifdef MODULE | ||
495 | #define MAX_WD_CARDS 4 /* Max number of wd cards per module */ | ||
496 | static struct net_device *dev_wd[MAX_WD_CARDS]; | ||
497 | static int io[MAX_WD_CARDS]; | ||
498 | static int irq[MAX_WD_CARDS]; | ||
499 | static int mem[MAX_WD_CARDS]; | ||
500 | static int mem_end[MAX_WD_CARDS]; /* for non std. mem size */ | ||
501 | |||
502 | module_param_array(io, int, NULL, 0); | ||
503 | module_param_array(irq, int, NULL, 0); | ||
504 | module_param_array(mem, int, NULL, 0); | ||
505 | module_param_array(mem_end, int, NULL, 0); | ||
506 | MODULE_PARM_DESC(io, "I/O base address(es)"); | ||
507 | MODULE_PARM_DESC(irq, "IRQ number(s) (ignored for PureData boards)"); | ||
508 | MODULE_PARM_DESC(mem, "memory base address(es)(ignored for PureData boards)"); | ||
509 | MODULE_PARM_DESC(mem_end, "memory end address(es)"); | ||
510 | MODULE_DESCRIPTION("ISA Western Digital wd8003/wd8013 ; SMC Elite, Elite16 ethernet driver"); | ||
511 | MODULE_LICENSE("GPL"); | ||
512 | |||
513 | /* This is set up so that only a single autoprobe takes place per call. | ||
514 | ISA device autoprobes on a running machine are not recommended. */ | ||
515 | |||
516 | int __init init_module(void) | ||
517 | { | ||
518 | struct net_device *dev; | ||
519 | int this_dev, found = 0; | ||
520 | |||
521 | for (this_dev = 0; this_dev < MAX_WD_CARDS; this_dev++) { | ||
522 | if (io[this_dev] == 0) { | ||
523 | if (this_dev != 0) break; /* only autoprobe 1st one */ | ||
524 | printk(KERN_NOTICE "wd.c: Presently autoprobing (not recommended) for a single card.\n"); | ||
525 | } | ||
526 | dev = alloc_ei_netdev(); | ||
527 | if (!dev) | ||
528 | break; | ||
529 | dev->irq = irq[this_dev]; | ||
530 | dev->base_addr = io[this_dev]; | ||
531 | dev->mem_start = mem[this_dev]; | ||
532 | dev->mem_end = mem_end[this_dev]; | ||
533 | if (do_wd_probe(dev) == 0) { | ||
534 | dev_wd[found++] = dev; | ||
535 | continue; | ||
536 | } | ||
537 | free_netdev(dev); | ||
538 | printk(KERN_WARNING "wd.c: No wd80x3 card found (i/o = 0x%x).\n", io[this_dev]); | ||
539 | break; | ||
540 | } | ||
541 | if (found) | ||
542 | return 0; | ||
543 | return -ENXIO; | ||
544 | } | ||
545 | |||
546 | static void cleanup_card(struct net_device *dev) | ||
547 | { | ||
548 | free_irq(dev->irq, dev); | ||
549 | release_region(dev->base_addr - WD_NIC_OFFSET, WD_IO_EXTENT); | ||
550 | iounmap(ei_status.mem); | ||
551 | } | ||
552 | |||
553 | void __exit | ||
554 | cleanup_module(void) | ||
555 | { | ||
556 | int this_dev; | ||
557 | |||
558 | for (this_dev = 0; this_dev < MAX_WD_CARDS; this_dev++) { | ||
559 | struct net_device *dev = dev_wd[this_dev]; | ||
560 | if (dev) { | ||
561 | unregister_netdev(dev); | ||
562 | cleanup_card(dev); | ||
563 | free_netdev(dev); | ||
564 | } | ||
565 | } | ||
566 | } | ||
567 | #endif /* MODULE */ | ||