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1da177e4 LT |
1 | /* |
2 | * Amiga Linux/68k 8390 based PCMCIA Ethernet Driver for the Amiga 1200 | |
3 | * | |
4 | * (C) Copyright 1997 Alain Malek | |
5 | * (Alain.Malek@cryogen.com) | |
6 | * | |
7 | * ---------------------------------------------------------------------------- | |
8 | * | |
9 | * This program is based on | |
10 | * | |
11 | * ne.c: A general non-shared-memory NS8390 ethernet driver for linux | |
12 | * Written 1992-94 by Donald Becker. | |
13 | * | |
14 | * 8390.c: A general NS8390 ethernet driver core for linux. | |
15 | * Written 1992-94 by Donald Becker. | |
16 | * | |
17 | * cnetdevice: A Sana-II ethernet driver for AmigaOS | |
18 | * Written by Bruce Abbott (bhabbott@inhb.co.nz) | |
19 | * | |
20 | * ---------------------------------------------------------------------------- | |
21 | * | |
22 | * This file is subject to the terms and conditions of the GNU General Public | |
23 | * License. See the file COPYING in the main directory of the Linux | |
24 | * distribution for more details. | |
25 | * | |
26 | * ---------------------------------------------------------------------------- | |
27 | * | |
28 | */ | |
29 | ||
30 | ||
31 | #include <linux/module.h> | |
32 | #include <linux/kernel.h> | |
33 | #include <linux/errno.h> | |
34 | #include <linux/pci.h> | |
35 | #include <linux/init.h> | |
36 | #include <linux/delay.h> | |
37 | #include <linux/netdevice.h> | |
38 | #include <linux/etherdevice.h> | |
ff5688ae | 39 | #include <linux/jiffies.h> |
1da177e4 LT |
40 | |
41 | #include <asm/system.h> | |
42 | #include <asm/io.h> | |
43 | #include <asm/setup.h> | |
44 | #include <asm/amigaints.h> | |
45 | #include <asm/amigahw.h> | |
46 | #include <asm/amigayle.h> | |
47 | #include <asm/amipcmcia.h> | |
48 | ||
49 | #include "8390.h" | |
50 | ||
51 | /* ---- No user-serviceable parts below ---- */ | |
52 | ||
53 | #define DRV_NAME "apne" | |
54 | ||
55 | #define NE_BASE (dev->base_addr) | |
56 | #define NE_CMD 0x00 | |
57 | #define NE_DATAPORT 0x10 /* NatSemi-defined port window offset. */ | |
58 | #define NE_RESET 0x1f /* Issue a read to reset, a write to clear. */ | |
59 | #define NE_IO_EXTENT 0x20 | |
60 | ||
61 | #define NE_EN0_ISR 0x07 | |
62 | #define NE_EN0_DCFG 0x0e | |
63 | ||
64 | #define NE_EN0_RSARLO 0x08 | |
65 | #define NE_EN0_RSARHI 0x09 | |
66 | #define NE_EN0_RCNTLO 0x0a | |
67 | #define NE_EN0_RXCR 0x0c | |
68 | #define NE_EN0_TXCR 0x0d | |
69 | #define NE_EN0_RCNTHI 0x0b | |
70 | #define NE_EN0_IMR 0x0f | |
71 | ||
72 | #define NE1SM_START_PG 0x20 /* First page of TX buffer */ | |
73 | #define NE1SM_STOP_PG 0x40 /* Last page +1 of RX ring */ | |
74 | #define NESM_START_PG 0x40 /* First page of TX buffer */ | |
75 | #define NESM_STOP_PG 0x80 /* Last page +1 of RX ring */ | |
76 | ||
77 | ||
78 | struct net_device * __init apne_probe(int unit); | |
79 | static int apne_probe1(struct net_device *dev, int ioaddr); | |
80 | ||
81 | static int apne_open(struct net_device *dev); | |
82 | static int apne_close(struct net_device *dev); | |
83 | ||
84 | static void apne_reset_8390(struct net_device *dev); | |
85 | static void apne_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, | |
86 | int ring_page); | |
87 | static void apne_block_input(struct net_device *dev, int count, | |
88 | struct sk_buff *skb, int ring_offset); | |
89 | static void apne_block_output(struct net_device *dev, const int count, | |
90 | const unsigned char *buf, const int start_page); | |
7d12e780 | 91 | static irqreturn_t apne_interrupt(int irq, void *dev_id); |
1da177e4 LT |
92 | |
93 | static int init_pcmcia(void); | |
94 | ||
95 | /* IO base address used for nic */ | |
96 | ||
97 | #define IOBASE 0x300 | |
98 | ||
99 | /* | |
100 | use MANUAL_CONFIG and MANUAL_OFFSET for enabling IO by hand | |
101 | you can find the values to use by looking at the cnet.device | |
102 | config file example (the default values are for the CNET40BC card) | |
103 | */ | |
104 | ||
105 | /* | |
106 | #define MANUAL_CONFIG 0x20 | |
107 | #define MANUAL_OFFSET 0x3f8 | |
108 | ||
109 | #define MANUAL_HWADDR0 0x00 | |
110 | #define MANUAL_HWADDR1 0x12 | |
111 | #define MANUAL_HWADDR2 0x34 | |
112 | #define MANUAL_HWADDR3 0x56 | |
113 | #define MANUAL_HWADDR4 0x78 | |
114 | #define MANUAL_HWADDR5 0x9a | |
115 | */ | |
116 | ||
117 | static const char version[] = | |
118 | "apne.c:v1.1 7/10/98 Alain Malek (Alain.Malek@cryogen.ch)\n"; | |
119 | ||
120 | static int apne_owned; /* signal if card already owned */ | |
121 | ||
122 | struct net_device * __init apne_probe(int unit) | |
123 | { | |
124 | struct net_device *dev; | |
125 | #ifndef MANUAL_CONFIG | |
126 | char tuple[8]; | |
127 | #endif | |
128 | int err; | |
129 | ||
0f734484 GU |
130 | if (!MACH_IS_AMIGA) |
131 | return ERR_PTR(-ENODEV); | |
132 | ||
1da177e4 LT |
133 | if (apne_owned) |
134 | return ERR_PTR(-ENODEV); | |
135 | ||
136 | if ( !(AMIGAHW_PRESENT(PCMCIA)) ) | |
137 | return ERR_PTR(-ENODEV); | |
6aa20a22 | 138 | |
1da177e4 | 139 | printk("Looking for PCMCIA ethernet card : "); |
6aa20a22 | 140 | |
1da177e4 LT |
141 | /* check if a card is inserted */ |
142 | if (!(PCMCIA_INSERTED)) { | |
143 | printk("NO PCMCIA card inserted\n"); | |
144 | return ERR_PTR(-ENODEV); | |
145 | } | |
146 | ||
147 | dev = alloc_ei_netdev(); | |
148 | if (!dev) | |
149 | return ERR_PTR(-ENOMEM); | |
150 | if (unit >= 0) { | |
151 | sprintf(dev->name, "eth%d", unit); | |
152 | netdev_boot_setup_check(dev); | |
153 | } | |
1da177e4 LT |
154 | |
155 | /* disable pcmcia irq for readtuple */ | |
156 | pcmcia_disable_irq(); | |
157 | ||
158 | #ifndef MANUAL_CONFIG | |
159 | if ((pcmcia_copy_tuple(CISTPL_FUNCID, tuple, 8) < 3) || | |
160 | (tuple[2] != CISTPL_FUNCID_NETWORK)) { | |
161 | printk("not an ethernet card\n"); | |
162 | /* XXX: shouldn't we re-enable irq here? */ | |
163 | free_netdev(dev); | |
164 | return ERR_PTR(-ENODEV); | |
165 | } | |
166 | #endif | |
167 | ||
168 | printk("ethernet PCMCIA card inserted\n"); | |
169 | ||
170 | if (!init_pcmcia()) { | |
171 | /* XXX: shouldn't we re-enable irq here? */ | |
172 | free_netdev(dev); | |
173 | return ERR_PTR(-ENODEV); | |
174 | } | |
175 | ||
176 | if (!request_region(IOBASE, 0x20, DRV_NAME)) { | |
177 | free_netdev(dev); | |
178 | return ERR_PTR(-EBUSY); | |
179 | } | |
180 | ||
181 | err = apne_probe1(dev, IOBASE); | |
182 | if (err) { | |
183 | release_region(IOBASE, 0x20); | |
184 | free_netdev(dev); | |
185 | return ERR_PTR(err); | |
186 | } | |
187 | err = register_netdev(dev); | |
188 | if (!err) | |
189 | return dev; | |
190 | ||
191 | pcmcia_disable_irq(); | |
192 | free_irq(IRQ_AMIGA_PORTS, dev); | |
193 | pcmcia_reset(); | |
194 | release_region(IOBASE, 0x20); | |
195 | free_netdev(dev); | |
196 | return ERR_PTR(err); | |
197 | } | |
198 | ||
199 | static int __init apne_probe1(struct net_device *dev, int ioaddr) | |
200 | { | |
201 | int i; | |
202 | unsigned char SA_prom[32]; | |
203 | int wordlength = 2; | |
204 | const char *name = NULL; | |
205 | int start_page, stop_page; | |
206 | #ifndef MANUAL_HWADDR0 | |
207 | int neX000, ctron; | |
208 | #endif | |
209 | static unsigned version_printed; | |
0795af57 | 210 | DECLARE_MAC_BUF(mac); |
6aa20a22 | 211 | |
1da177e4 LT |
212 | if (ei_debug && version_printed++ == 0) |
213 | printk(version); | |
214 | ||
215 | printk("PCMCIA NE*000 ethercard probe"); | |
216 | ||
217 | /* Reset card. Who knows what dain-bramaged state it was left in. */ | |
218 | { unsigned long reset_start_time = jiffies; | |
219 | ||
220 | outb(inb(ioaddr + NE_RESET), ioaddr + NE_RESET); | |
221 | ||
222 | while ((inb(ioaddr + NE_EN0_ISR) & ENISR_RESET) == 0) | |
ff5688ae | 223 | if (time_after(jiffies, reset_start_time + 2*HZ/100)) { |
1da177e4 LT |
224 | printk(" not found (no reset ack).\n"); |
225 | return -ENODEV; | |
226 | } | |
227 | ||
228 | outb(0xff, ioaddr + NE_EN0_ISR); /* Ack all intr. */ | |
229 | } | |
230 | ||
231 | #ifndef MANUAL_HWADDR0 | |
232 | ||
233 | /* Read the 16 bytes of station address PROM. | |
234 | We must first initialize registers, similar to NS8390_init(eifdev, 0). | |
235 | We can't reliably read the SAPROM address without this. | |
236 | (I learned the hard way!). */ | |
237 | { | |
238 | struct {unsigned long value, offset; } program_seq[] = { | |
239 | {E8390_NODMA+E8390_PAGE0+E8390_STOP, NE_CMD}, /* Select page 0*/ | |
240 | {0x48, NE_EN0_DCFG}, /* Set byte-wide (0x48) access. */ | |
241 | {0x00, NE_EN0_RCNTLO}, /* Clear the count regs. */ | |
242 | {0x00, NE_EN0_RCNTHI}, | |
243 | {0x00, NE_EN0_IMR}, /* Mask completion irq. */ | |
244 | {0xFF, NE_EN0_ISR}, | |
245 | {E8390_RXOFF, NE_EN0_RXCR}, /* 0x20 Set to monitor */ | |
246 | {E8390_TXOFF, NE_EN0_TXCR}, /* 0x02 and loopback mode. */ | |
247 | {32, NE_EN0_RCNTLO}, | |
248 | {0x00, NE_EN0_RCNTHI}, | |
249 | {0x00, NE_EN0_RSARLO}, /* DMA starting at 0x0000. */ | |
250 | {0x00, NE_EN0_RSARHI}, | |
251 | {E8390_RREAD+E8390_START, NE_CMD}, | |
252 | }; | |
ff8ac609 | 253 | for (i = 0; i < ARRAY_SIZE(program_seq); i++) { |
1da177e4 LT |
254 | outb(program_seq[i].value, ioaddr + program_seq[i].offset); |
255 | } | |
256 | ||
257 | } | |
258 | for(i = 0; i < 32 /*sizeof(SA_prom)*/; i+=2) { | |
259 | SA_prom[i] = inb(ioaddr + NE_DATAPORT); | |
260 | SA_prom[i+1] = inb(ioaddr + NE_DATAPORT); | |
261 | if (SA_prom[i] != SA_prom[i+1]) | |
262 | wordlength = 1; | |
263 | } | |
264 | ||
265 | /* At this point, wordlength *only* tells us if the SA_prom is doubled | |
266 | up or not because some broken PCI cards don't respect the byte-wide | |
6aa20a22 | 267 | request in program_seq above, and hence don't have doubled up values. |
1da177e4 LT |
268 | These broken cards would otherwise be detected as an ne1000. */ |
269 | ||
270 | if (wordlength == 2) | |
271 | for (i = 0; i < 16; i++) | |
272 | SA_prom[i] = SA_prom[i+i]; | |
6aa20a22 | 273 | |
1da177e4 LT |
274 | if (wordlength == 2) { |
275 | /* We must set the 8390 for word mode. */ | |
276 | outb(0x49, ioaddr + NE_EN0_DCFG); | |
277 | start_page = NESM_START_PG; | |
278 | stop_page = NESM_STOP_PG; | |
279 | } else { | |
280 | start_page = NE1SM_START_PG; | |
281 | stop_page = NE1SM_STOP_PG; | |
282 | } | |
283 | ||
284 | neX000 = (SA_prom[14] == 0x57 && SA_prom[15] == 0x57); | |
285 | ctron = (SA_prom[0] == 0x00 && SA_prom[1] == 0x00 && SA_prom[2] == 0x1d); | |
286 | ||
287 | /* Set up the rest of the parameters. */ | |
288 | if (neX000) { | |
289 | name = (wordlength == 2) ? "NE2000" : "NE1000"; | |
290 | } else if (ctron) { | |
291 | name = (wordlength == 2) ? "Ctron-8" : "Ctron-16"; | |
292 | start_page = 0x01; | |
293 | stop_page = (wordlength == 2) ? 0x40 : 0x20; | |
294 | } else { | |
295 | printk(" not found.\n"); | |
296 | return -ENXIO; | |
297 | ||
298 | } | |
299 | ||
300 | #else | |
301 | wordlength = 2; | |
302 | /* We must set the 8390 for word mode. */ | |
303 | outb(0x49, ioaddr + NE_EN0_DCFG); | |
304 | start_page = NESM_START_PG; | |
305 | stop_page = NESM_STOP_PG; | |
306 | ||
307 | SA_prom[0] = MANUAL_HWADDR0; | |
308 | SA_prom[1] = MANUAL_HWADDR1; | |
309 | SA_prom[2] = MANUAL_HWADDR2; | |
310 | SA_prom[3] = MANUAL_HWADDR3; | |
311 | SA_prom[4] = MANUAL_HWADDR4; | |
312 | SA_prom[5] = MANUAL_HWADDR5; | |
313 | name = "NE2000"; | |
314 | #endif | |
315 | ||
316 | dev->base_addr = ioaddr; | |
d8a53b35 | 317 | dev->irq = IRQ_AMIGA_PORTS; |
1da177e4 LT |
318 | |
319 | /* Install the Interrupt handler */ | |
d8a53b35 | 320 | i = request_irq(dev->irq, apne_interrupt, IRQF_SHARED, DRV_NAME, dev); |
1da177e4 LT |
321 | if (i) return i; |
322 | ||
0795af57 | 323 | for(i = 0; i < ETHER_ADDR_LEN; i++) |
1da177e4 | 324 | dev->dev_addr[i] = SA_prom[i]; |
1da177e4 | 325 | |
0795af57 JP |
326 | printk(" %s\n", print_mac(mac, dev->dev_addr)); |
327 | ||
328 | printk("%s: %s found.\n", dev->name, name); | |
1da177e4 LT |
329 | |
330 | ei_status.name = name; | |
331 | ei_status.tx_start_page = start_page; | |
332 | ei_status.stop_page = stop_page; | |
333 | ei_status.word16 = (wordlength == 2); | |
334 | ||
335 | ei_status.rx_start_page = start_page + TX_PAGES; | |
336 | ||
337 | ei_status.reset_8390 = &apne_reset_8390; | |
338 | ei_status.block_input = &apne_block_input; | |
339 | ei_status.block_output = &apne_block_output; | |
340 | ei_status.get_8390_hdr = &apne_get_8390_hdr; | |
341 | dev->open = &apne_open; | |
342 | dev->stop = &apne_close; | |
343 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
344 | dev->poll_controller = ei_poll; | |
345 | #endif | |
346 | NS8390_init(dev, 0); | |
347 | ||
348 | pcmcia_ack_int(pcmcia_get_intreq()); /* ack PCMCIA int req */ | |
349 | pcmcia_enable_irq(); | |
350 | ||
351 | apne_owned = 1; | |
352 | ||
353 | return 0; | |
354 | } | |
355 | ||
356 | static int | |
357 | apne_open(struct net_device *dev) | |
358 | { | |
359 | ei_open(dev); | |
360 | return 0; | |
361 | } | |
362 | ||
363 | static int | |
364 | apne_close(struct net_device *dev) | |
365 | { | |
366 | if (ei_debug > 1) | |
367 | printk("%s: Shutting down ethercard.\n", dev->name); | |
368 | ei_close(dev); | |
369 | return 0; | |
370 | } | |
371 | ||
372 | /* Hard reset the card. This used to pause for the same period that a | |
373 | 8390 reset command required, but that shouldn't be necessary. */ | |
374 | static void | |
375 | apne_reset_8390(struct net_device *dev) | |
376 | { | |
377 | unsigned long reset_start_time = jiffies; | |
378 | ||
379 | init_pcmcia(); | |
380 | ||
381 | if (ei_debug > 1) printk("resetting the 8390 t=%ld...", jiffies); | |
382 | ||
383 | outb(inb(NE_BASE + NE_RESET), NE_BASE + NE_RESET); | |
384 | ||
385 | ei_status.txing = 0; | |
386 | ei_status.dmaing = 0; | |
387 | ||
388 | /* This check _should_not_ be necessary, omit eventually. */ | |
389 | while ((inb(NE_BASE+NE_EN0_ISR) & ENISR_RESET) == 0) | |
ff5688ae | 390 | if (time_after(jiffies, reset_start_time + 2*HZ/100)) { |
1da177e4 LT |
391 | printk("%s: ne_reset_8390() did not complete.\n", dev->name); |
392 | break; | |
393 | } | |
394 | outb(ENISR_RESET, NE_BASE + NE_EN0_ISR); /* Ack intr. */ | |
395 | } | |
396 | ||
397 | /* Grab the 8390 specific header. Similar to the block_input routine, but | |
398 | we don't need to be concerned with ring wrap as the header will be at | |
399 | the start of a page, so we optimize accordingly. */ | |
400 | ||
401 | static void | |
402 | apne_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page) | |
403 | { | |
404 | ||
405 | int nic_base = dev->base_addr; | |
406 | int cnt; | |
407 | char *ptrc; | |
408 | short *ptrs; | |
409 | ||
410 | /* This *shouldn't* happen. If it does, it's the last thing you'll see */ | |
411 | if (ei_status.dmaing) { | |
412 | printk("%s: DMAing conflict in ne_get_8390_hdr " | |
413 | "[DMAstat:%d][irqlock:%d][intr:%d].\n", | |
414 | dev->name, ei_status.dmaing, ei_status.irqlock, dev->irq); | |
415 | return; | |
416 | } | |
417 | ||
418 | ei_status.dmaing |= 0x01; | |
419 | outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD); | |
420 | outb(ENISR_RDC, nic_base + NE_EN0_ISR); | |
421 | outb(sizeof(struct e8390_pkt_hdr), nic_base + NE_EN0_RCNTLO); | |
422 | outb(0, nic_base + NE_EN0_RCNTHI); | |
423 | outb(0, nic_base + NE_EN0_RSARLO); /* On page boundary */ | |
424 | outb(ring_page, nic_base + NE_EN0_RSARHI); | |
425 | outb(E8390_RREAD+E8390_START, nic_base + NE_CMD); | |
426 | ||
427 | if (ei_status.word16) { | |
428 | ptrs = (short*)hdr; | |
429 | for(cnt = 0; cnt < (sizeof(struct e8390_pkt_hdr)>>1); cnt++) | |
430 | *ptrs++ = inw(NE_BASE + NE_DATAPORT); | |
431 | } else { | |
432 | ptrc = (char*)hdr; | |
433 | for(cnt = 0; cnt < sizeof(struct e8390_pkt_hdr); cnt++) | |
434 | *ptrc++ = inb(NE_BASE + NE_DATAPORT); | |
435 | } | |
436 | ||
437 | outb(ENISR_RDC, nic_base + NE_EN0_ISR); /* Ack intr. */ | |
438 | ei_status.dmaing &= ~0x01; | |
439 | ||
440 | le16_to_cpus(&hdr->count); | |
441 | } | |
442 | ||
443 | /* Block input and output, similar to the Crynwr packet driver. If you | |
444 | are porting to a new ethercard, look at the packet driver source for hints. | |
445 | The NEx000 doesn't share the on-board packet memory -- you have to put | |
446 | the packet out through the "remote DMA" dataport using outb. */ | |
447 | ||
448 | static void | |
449 | apne_block_input(struct net_device *dev, int count, struct sk_buff *skb, int ring_offset) | |
450 | { | |
451 | int nic_base = dev->base_addr; | |
452 | char *buf = skb->data; | |
453 | char *ptrc; | |
454 | short *ptrs; | |
455 | int cnt; | |
456 | ||
457 | /* This *shouldn't* happen. If it does, it's the last thing you'll see */ | |
458 | if (ei_status.dmaing) { | |
459 | printk("%s: DMAing conflict in ne_block_input " | |
460 | "[DMAstat:%d][irqlock:%d][intr:%d].\n", | |
461 | dev->name, ei_status.dmaing, ei_status.irqlock, dev->irq); | |
462 | return; | |
463 | } | |
464 | ei_status.dmaing |= 0x01; | |
465 | outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD); | |
466 | outb(ENISR_RDC, nic_base + NE_EN0_ISR); | |
467 | outb(count & 0xff, nic_base + NE_EN0_RCNTLO); | |
468 | outb(count >> 8, nic_base + NE_EN0_RCNTHI); | |
469 | outb(ring_offset & 0xff, nic_base + NE_EN0_RSARLO); | |
470 | outb(ring_offset >> 8, nic_base + NE_EN0_RSARHI); | |
471 | outb(E8390_RREAD+E8390_START, nic_base + NE_CMD); | |
472 | if (ei_status.word16) { | |
473 | ptrs = (short*)buf; | |
474 | for (cnt = 0; cnt < (count>>1); cnt++) | |
475 | *ptrs++ = inw(NE_BASE + NE_DATAPORT); | |
476 | if (count & 0x01) { | |
477 | buf[count-1] = inb(NE_BASE + NE_DATAPORT); | |
478 | } | |
479 | } else { | |
480 | ptrc = (char*)buf; | |
481 | for (cnt = 0; cnt < count; cnt++) | |
482 | *ptrc++ = inb(NE_BASE + NE_DATAPORT); | |
483 | } | |
484 | ||
485 | outb(ENISR_RDC, nic_base + NE_EN0_ISR); /* Ack intr. */ | |
486 | ei_status.dmaing &= ~0x01; | |
487 | } | |
488 | ||
489 | static void | |
490 | apne_block_output(struct net_device *dev, int count, | |
491 | const unsigned char *buf, const int start_page) | |
492 | { | |
493 | int nic_base = NE_BASE; | |
494 | unsigned long dma_start; | |
495 | char *ptrc; | |
496 | short *ptrs; | |
497 | int cnt; | |
498 | ||
499 | /* Round the count up for word writes. Do we need to do this? | |
500 | What effect will an odd byte count have on the 8390? | |
501 | I should check someday. */ | |
502 | if (ei_status.word16 && (count & 0x01)) | |
503 | count++; | |
504 | ||
505 | /* This *shouldn't* happen. If it does, it's the last thing you'll see */ | |
506 | if (ei_status.dmaing) { | |
507 | printk("%s: DMAing conflict in ne_block_output." | |
508 | "[DMAstat:%d][irqlock:%d][intr:%d]\n", | |
509 | dev->name, ei_status.dmaing, ei_status.irqlock, dev->irq); | |
510 | return; | |
511 | } | |
512 | ei_status.dmaing |= 0x01; | |
513 | /* We should already be in page 0, but to be safe... */ | |
514 | outb(E8390_PAGE0+E8390_START+E8390_NODMA, nic_base + NE_CMD); | |
515 | ||
516 | outb(ENISR_RDC, nic_base + NE_EN0_ISR); | |
517 | ||
518 | /* Now the normal output. */ | |
519 | outb(count & 0xff, nic_base + NE_EN0_RCNTLO); | |
520 | outb(count >> 8, nic_base + NE_EN0_RCNTHI); | |
521 | outb(0x00, nic_base + NE_EN0_RSARLO); | |
522 | outb(start_page, nic_base + NE_EN0_RSARHI); | |
523 | ||
524 | outb(E8390_RWRITE+E8390_START, nic_base + NE_CMD); | |
525 | if (ei_status.word16) { | |
526 | ptrs = (short*)buf; | |
527 | for (cnt = 0; cnt < count>>1; cnt++) | |
528 | outw(*ptrs++, NE_BASE+NE_DATAPORT); | |
529 | } else { | |
530 | ptrc = (char*)buf; | |
531 | for (cnt = 0; cnt < count; cnt++) | |
532 | outb(*ptrc++, NE_BASE + NE_DATAPORT); | |
533 | } | |
534 | ||
535 | dma_start = jiffies; | |
536 | ||
537 | while ((inb(NE_BASE + NE_EN0_ISR) & ENISR_RDC) == 0) | |
ff5688ae | 538 | if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */ |
1da177e4 LT |
539 | printk("%s: timeout waiting for Tx RDC.\n", dev->name); |
540 | apne_reset_8390(dev); | |
541 | NS8390_init(dev,1); | |
542 | break; | |
543 | } | |
544 | ||
545 | outb(ENISR_RDC, nic_base + NE_EN0_ISR); /* Ack intr. */ | |
546 | ei_status.dmaing &= ~0x01; | |
547 | return; | |
548 | } | |
549 | ||
7d12e780 | 550 | static irqreturn_t apne_interrupt(int irq, void *dev_id) |
1da177e4 LT |
551 | { |
552 | unsigned char pcmcia_intreq; | |
553 | ||
554 | if (!(gayle.inten & GAYLE_IRQ_IRQ)) | |
555 | return IRQ_NONE; | |
556 | ||
557 | pcmcia_intreq = pcmcia_get_intreq(); | |
558 | ||
559 | if (!(pcmcia_intreq & GAYLE_IRQ_IRQ)) { | |
560 | pcmcia_ack_int(pcmcia_intreq); | |
561 | return IRQ_NONE; | |
562 | } | |
563 | if (ei_debug > 3) | |
564 | printk("pcmcia intreq = %x\n", pcmcia_intreq); | |
565 | pcmcia_disable_irq(); /* to get rid of the sti() within ei_interrupt */ | |
7d12e780 | 566 | ei_interrupt(irq, dev_id); |
1da177e4 LT |
567 | pcmcia_ack_int(pcmcia_get_intreq()); |
568 | pcmcia_enable_irq(); | |
569 | return IRQ_HANDLED; | |
570 | } | |
571 | ||
572 | #ifdef MODULE | |
573 | static struct net_device *apne_dev; | |
574 | ||
3cfbb677 | 575 | static int __init apne_module_init(void) |
1da177e4 LT |
576 | { |
577 | apne_dev = apne_probe(-1); | |
578 | if (IS_ERR(apne_dev)) | |
579 | return PTR_ERR(apne_dev); | |
580 | return 0; | |
581 | } | |
582 | ||
3cfbb677 | 583 | static void __exit apne_module_exit(void) |
1da177e4 LT |
584 | { |
585 | unregister_netdev(apne_dev); | |
586 | ||
587 | pcmcia_disable_irq(); | |
588 | ||
589 | free_irq(IRQ_AMIGA_PORTS, apne_dev); | |
590 | ||
591 | pcmcia_reset(); | |
592 | ||
593 | release_region(IOBASE, 0x20); | |
594 | ||
595 | free_netdev(apne_dev); | |
596 | } | |
3cfbb677 JS |
597 | module_init(apne_module_init); |
598 | module_exit(apne_module_exit); | |
1da177e4 LT |
599 | #endif |
600 | ||
601 | static int init_pcmcia(void) | |
602 | { | |
603 | u_char config; | |
604 | #ifndef MANUAL_CONFIG | |
605 | u_char tuple[32]; | |
606 | int offset_len; | |
607 | #endif | |
608 | u_long offset; | |
609 | ||
610 | pcmcia_reset(); | |
611 | pcmcia_program_voltage(PCMCIA_0V); | |
612 | pcmcia_access_speed(PCMCIA_SPEED_250NS); | |
613 | pcmcia_write_enable(); | |
614 | ||
615 | #ifdef MANUAL_CONFIG | |
616 | config = MANUAL_CONFIG; | |
617 | #else | |
618 | /* get and write config byte to enable IO port */ | |
619 | ||
620 | if (pcmcia_copy_tuple(CISTPL_CFTABLE_ENTRY, tuple, 32) < 3) | |
621 | return 0; | |
622 | ||
623 | config = tuple[2] & 0x3f; | |
624 | #endif | |
625 | #ifdef MANUAL_OFFSET | |
626 | offset = MANUAL_OFFSET; | |
627 | #else | |
628 | if (pcmcia_copy_tuple(CISTPL_CONFIG, tuple, 32) < 6) | |
629 | return 0; | |
630 | ||
631 | offset_len = (tuple[2] & 0x3) + 1; | |
632 | offset = 0; | |
633 | while(offset_len--) { | |
634 | offset = (offset << 8) | tuple[4+offset_len]; | |
635 | } | |
636 | #endif | |
637 | ||
638 | out_8(GAYLE_ATTRIBUTE+offset, config); | |
639 | ||
640 | return 1; | |
641 | } | |
642 | ||
643 | MODULE_LICENSE("GPL"); |