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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> | |
ac752277 | 39 | #include <linux/interrupt.h> |
ff5688ae | 40 | #include <linux/jiffies.h> |
1da177e4 | 41 | |
1da177e4 LT |
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 | ||
1da177e4 LT |
81 | static void apne_reset_8390(struct net_device *dev); |
82 | static void apne_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, | |
83 | int ring_page); | |
84 | static void apne_block_input(struct net_device *dev, int count, | |
85 | struct sk_buff *skb, int ring_offset); | |
86 | static void apne_block_output(struct net_device *dev, const int count, | |
87 | const unsigned char *buf, const int start_page); | |
7d12e780 | 88 | static irqreturn_t apne_interrupt(int irq, void *dev_id); |
1da177e4 LT |
89 | |
90 | static int init_pcmcia(void); | |
91 | ||
92 | /* IO base address used for nic */ | |
93 | ||
94 | #define IOBASE 0x300 | |
95 | ||
96 | /* | |
97 | use MANUAL_CONFIG and MANUAL_OFFSET for enabling IO by hand | |
98 | you can find the values to use by looking at the cnet.device | |
99 | config file example (the default values are for the CNET40BC card) | |
100 | */ | |
101 | ||
102 | /* | |
103 | #define MANUAL_CONFIG 0x20 | |
104 | #define MANUAL_OFFSET 0x3f8 | |
105 | ||
106 | #define MANUAL_HWADDR0 0x00 | |
107 | #define MANUAL_HWADDR1 0x12 | |
108 | #define MANUAL_HWADDR2 0x34 | |
109 | #define MANUAL_HWADDR3 0x56 | |
110 | #define MANUAL_HWADDR4 0x78 | |
111 | #define MANUAL_HWADDR5 0x9a | |
112 | */ | |
113 | ||
114 | static const char version[] = | |
115 | "apne.c:v1.1 7/10/98 Alain Malek (Alain.Malek@cryogen.ch)\n"; | |
116 | ||
117 | static int apne_owned; /* signal if card already owned */ | |
118 | ||
c45f812f MW |
119 | static u32 apne_msg_enable; |
120 | module_param_named(msg_enable, apne_msg_enable, uint, (S_IRUSR|S_IRGRP|S_IROTH)); | |
121 | MODULE_PARM_DESC(msg_enable, "Debug message level (see linux/netdevice.h for bitmap)"); | |
122 | ||
1da177e4 LT |
123 | struct net_device * __init apne_probe(int unit) |
124 | { | |
125 | struct net_device *dev; | |
c45f812f MW |
126 | struct ei_device *ei_local; |
127 | ||
1da177e4 LT |
128 | #ifndef MANUAL_CONFIG |
129 | char tuple[8]; | |
130 | #endif | |
131 | int err; | |
132 | ||
0f734484 GU |
133 | if (!MACH_IS_AMIGA) |
134 | return ERR_PTR(-ENODEV); | |
135 | ||
1da177e4 LT |
136 | if (apne_owned) |
137 | return ERR_PTR(-ENODEV); | |
138 | ||
139 | if ( !(AMIGAHW_PRESENT(PCMCIA)) ) | |
140 | return ERR_PTR(-ENODEV); | |
6aa20a22 | 141 | |
c45f812f | 142 | pr_info("Looking for PCMCIA ethernet card : "); |
6aa20a22 | 143 | |
1da177e4 LT |
144 | /* check if a card is inserted */ |
145 | if (!(PCMCIA_INSERTED)) { | |
c45f812f | 146 | pr_cont("NO PCMCIA card inserted\n"); |
1da177e4 LT |
147 | return ERR_PTR(-ENODEV); |
148 | } | |
149 | ||
150 | dev = alloc_ei_netdev(); | |
151 | if (!dev) | |
152 | return ERR_PTR(-ENOMEM); | |
153 | if (unit >= 0) { | |
154 | sprintf(dev->name, "eth%d", unit); | |
155 | netdev_boot_setup_check(dev); | |
156 | } | |
c45f812f MW |
157 | ei_local = netdev_priv(dev); |
158 | ei_local->msg_enable = apne_msg_enable; | |
1da177e4 LT |
159 | |
160 | /* disable pcmcia irq for readtuple */ | |
161 | pcmcia_disable_irq(); | |
162 | ||
163 | #ifndef MANUAL_CONFIG | |
164 | if ((pcmcia_copy_tuple(CISTPL_FUNCID, tuple, 8) < 3) || | |
165 | (tuple[2] != CISTPL_FUNCID_NETWORK)) { | |
c45f812f | 166 | pr_cont("not an ethernet card\n"); |
1da177e4 LT |
167 | /* XXX: shouldn't we re-enable irq here? */ |
168 | free_netdev(dev); | |
169 | return ERR_PTR(-ENODEV); | |
170 | } | |
171 | #endif | |
172 | ||
c45f812f | 173 | pr_cont("ethernet PCMCIA card inserted\n"); |
1da177e4 LT |
174 | |
175 | if (!init_pcmcia()) { | |
176 | /* XXX: shouldn't we re-enable irq here? */ | |
177 | free_netdev(dev); | |
178 | return ERR_PTR(-ENODEV); | |
179 | } | |
180 | ||
181 | if (!request_region(IOBASE, 0x20, DRV_NAME)) { | |
182 | free_netdev(dev); | |
183 | return ERR_PTR(-EBUSY); | |
184 | } | |
185 | ||
186 | err = apne_probe1(dev, IOBASE); | |
187 | if (err) { | |
188 | release_region(IOBASE, 0x20); | |
189 | free_netdev(dev); | |
190 | return ERR_PTR(err); | |
191 | } | |
192 | err = register_netdev(dev); | |
193 | if (!err) | |
194 | return dev; | |
195 | ||
196 | pcmcia_disable_irq(); | |
197 | free_irq(IRQ_AMIGA_PORTS, dev); | |
198 | pcmcia_reset(); | |
199 | release_region(IOBASE, 0x20); | |
200 | free_netdev(dev); | |
201 | return ERR_PTR(err); | |
202 | } | |
203 | ||
204 | static int __init apne_probe1(struct net_device *dev, int ioaddr) | |
205 | { | |
206 | int i; | |
207 | unsigned char SA_prom[32]; | |
208 | int wordlength = 2; | |
209 | const char *name = NULL; | |
210 | int start_page, stop_page; | |
211 | #ifndef MANUAL_HWADDR0 | |
212 | int neX000, ctron; | |
213 | #endif | |
214 | static unsigned version_printed; | |
6aa20a22 | 215 | |
c45f812f MW |
216 | if ((apne_msg_enable & NETIF_MSG_DRV) && (version_printed++ == 0)) |
217 | netdev_info(dev, version); | |
1da177e4 | 218 | |
c45f812f | 219 | netdev_info(dev, "PCMCIA NE*000 ethercard probe"); |
1da177e4 LT |
220 | |
221 | /* Reset card. Who knows what dain-bramaged state it was left in. */ | |
222 | { unsigned long reset_start_time = jiffies; | |
223 | ||
224 | outb(inb(ioaddr + NE_RESET), ioaddr + NE_RESET); | |
225 | ||
226 | while ((inb(ioaddr + NE_EN0_ISR) & ENISR_RESET) == 0) | |
ff5688ae | 227 | if (time_after(jiffies, reset_start_time + 2*HZ/100)) { |
c45f812f | 228 | pr_cont(" not found (no reset ack).\n"); |
1da177e4 LT |
229 | return -ENODEV; |
230 | } | |
231 | ||
232 | outb(0xff, ioaddr + NE_EN0_ISR); /* Ack all intr. */ | |
233 | } | |
234 | ||
235 | #ifndef MANUAL_HWADDR0 | |
236 | ||
237 | /* Read the 16 bytes of station address PROM. | |
238 | We must first initialize registers, similar to NS8390_init(eifdev, 0). | |
239 | We can't reliably read the SAPROM address without this. | |
240 | (I learned the hard way!). */ | |
241 | { | |
242 | struct {unsigned long value, offset; } program_seq[] = { | |
243 | {E8390_NODMA+E8390_PAGE0+E8390_STOP, NE_CMD}, /* Select page 0*/ | |
244 | {0x48, NE_EN0_DCFG}, /* Set byte-wide (0x48) access. */ | |
245 | {0x00, NE_EN0_RCNTLO}, /* Clear the count regs. */ | |
246 | {0x00, NE_EN0_RCNTHI}, | |
247 | {0x00, NE_EN0_IMR}, /* Mask completion irq. */ | |
248 | {0xFF, NE_EN0_ISR}, | |
249 | {E8390_RXOFF, NE_EN0_RXCR}, /* 0x20 Set to monitor */ | |
250 | {E8390_TXOFF, NE_EN0_TXCR}, /* 0x02 and loopback mode. */ | |
251 | {32, NE_EN0_RCNTLO}, | |
252 | {0x00, NE_EN0_RCNTHI}, | |
253 | {0x00, NE_EN0_RSARLO}, /* DMA starting at 0x0000. */ | |
254 | {0x00, NE_EN0_RSARHI}, | |
255 | {E8390_RREAD+E8390_START, NE_CMD}, | |
256 | }; | |
ff8ac609 | 257 | for (i = 0; i < ARRAY_SIZE(program_seq); i++) { |
1da177e4 LT |
258 | outb(program_seq[i].value, ioaddr + program_seq[i].offset); |
259 | } | |
260 | ||
261 | } | |
262 | for(i = 0; i < 32 /*sizeof(SA_prom)*/; i+=2) { | |
263 | SA_prom[i] = inb(ioaddr + NE_DATAPORT); | |
264 | SA_prom[i+1] = inb(ioaddr + NE_DATAPORT); | |
265 | if (SA_prom[i] != SA_prom[i+1]) | |
266 | wordlength = 1; | |
267 | } | |
268 | ||
269 | /* At this point, wordlength *only* tells us if the SA_prom is doubled | |
270 | up or not because some broken PCI cards don't respect the byte-wide | |
6aa20a22 | 271 | request in program_seq above, and hence don't have doubled up values. |
1da177e4 LT |
272 | These broken cards would otherwise be detected as an ne1000. */ |
273 | ||
274 | if (wordlength == 2) | |
275 | for (i = 0; i < 16; i++) | |
276 | SA_prom[i] = SA_prom[i+i]; | |
6aa20a22 | 277 | |
1da177e4 LT |
278 | if (wordlength == 2) { |
279 | /* We must set the 8390 for word mode. */ | |
280 | outb(0x49, ioaddr + NE_EN0_DCFG); | |
281 | start_page = NESM_START_PG; | |
282 | stop_page = NESM_STOP_PG; | |
283 | } else { | |
284 | start_page = NE1SM_START_PG; | |
285 | stop_page = NE1SM_STOP_PG; | |
286 | } | |
287 | ||
288 | neX000 = (SA_prom[14] == 0x57 && SA_prom[15] == 0x57); | |
289 | ctron = (SA_prom[0] == 0x00 && SA_prom[1] == 0x00 && SA_prom[2] == 0x1d); | |
290 | ||
291 | /* Set up the rest of the parameters. */ | |
292 | if (neX000) { | |
293 | name = (wordlength == 2) ? "NE2000" : "NE1000"; | |
294 | } else if (ctron) { | |
295 | name = (wordlength == 2) ? "Ctron-8" : "Ctron-16"; | |
296 | start_page = 0x01; | |
297 | stop_page = (wordlength == 2) ? 0x40 : 0x20; | |
298 | } else { | |
c45f812f | 299 | pr_cont(" not found.\n"); |
1da177e4 LT |
300 | return -ENXIO; |
301 | ||
302 | } | |
303 | ||
304 | #else | |
305 | wordlength = 2; | |
306 | /* We must set the 8390 for word mode. */ | |
307 | outb(0x49, ioaddr + NE_EN0_DCFG); | |
308 | start_page = NESM_START_PG; | |
309 | stop_page = NESM_STOP_PG; | |
310 | ||
311 | SA_prom[0] = MANUAL_HWADDR0; | |
312 | SA_prom[1] = MANUAL_HWADDR1; | |
313 | SA_prom[2] = MANUAL_HWADDR2; | |
314 | SA_prom[3] = MANUAL_HWADDR3; | |
315 | SA_prom[4] = MANUAL_HWADDR4; | |
316 | SA_prom[5] = MANUAL_HWADDR5; | |
317 | name = "NE2000"; | |
318 | #endif | |
319 | ||
320 | dev->base_addr = ioaddr; | |
d8a53b35 | 321 | dev->irq = IRQ_AMIGA_PORTS; |
7d359daa | 322 | dev->netdev_ops = &ei_netdev_ops; |
1da177e4 LT |
323 | |
324 | /* Install the Interrupt handler */ | |
d8a53b35 | 325 | i = request_irq(dev->irq, apne_interrupt, IRQF_SHARED, DRV_NAME, dev); |
1da177e4 LT |
326 | if (i) return i; |
327 | ||
104bf3fb | 328 | for (i = 0; i < ETH_ALEN; i++) |
1da177e4 | 329 | dev->dev_addr[i] = SA_prom[i]; |
1da177e4 | 330 | |
c45f812f | 331 | pr_cont(" %pM\n", dev->dev_addr); |
0795af57 | 332 | |
c45f812f | 333 | netdev_info(dev, "%s found.\n", name); |
1da177e4 LT |
334 | |
335 | ei_status.name = name; | |
336 | ei_status.tx_start_page = start_page; | |
337 | ei_status.stop_page = stop_page; | |
338 | ei_status.word16 = (wordlength == 2); | |
339 | ||
340 | ei_status.rx_start_page = start_page + TX_PAGES; | |
341 | ||
342 | ei_status.reset_8390 = &apne_reset_8390; | |
343 | ei_status.block_input = &apne_block_input; | |
344 | ei_status.block_output = &apne_block_output; | |
345 | ei_status.get_8390_hdr = &apne_get_8390_hdr; | |
7d359daa | 346 | |
1da177e4 LT |
347 | NS8390_init(dev, 0); |
348 | ||
349 | pcmcia_ack_int(pcmcia_get_intreq()); /* ack PCMCIA int req */ | |
350 | pcmcia_enable_irq(); | |
351 | ||
352 | apne_owned = 1; | |
353 | ||
354 | return 0; | |
355 | } | |
356 | ||
1da177e4 LT |
357 | /* Hard reset the card. This used to pause for the same period that a |
358 | 8390 reset command required, but that shouldn't be necessary. */ | |
359 | static void | |
360 | apne_reset_8390(struct net_device *dev) | |
361 | { | |
362 | unsigned long reset_start_time = jiffies; | |
c45f812f | 363 | struct ei_device *ei_local = netdev_priv(dev); |
1da177e4 LT |
364 | |
365 | init_pcmcia(); | |
366 | ||
c45f812f | 367 | netif_dbg(ei_local, hw, dev, "resetting the 8390 t=%ld...\n", jiffies); |
1da177e4 LT |
368 | |
369 | outb(inb(NE_BASE + NE_RESET), NE_BASE + NE_RESET); | |
370 | ||
371 | ei_status.txing = 0; | |
372 | ei_status.dmaing = 0; | |
373 | ||
374 | /* This check _should_not_ be necessary, omit eventually. */ | |
375 | while ((inb(NE_BASE+NE_EN0_ISR) & ENISR_RESET) == 0) | |
ff5688ae | 376 | if (time_after(jiffies, reset_start_time + 2*HZ/100)) { |
c45f812f MW |
377 | netdev_err(dev, "ne_reset_8390() did not complete.\n"); |
378 | break; | |
1da177e4 LT |
379 | } |
380 | outb(ENISR_RESET, NE_BASE + NE_EN0_ISR); /* Ack intr. */ | |
381 | } | |
382 | ||
383 | /* Grab the 8390 specific header. Similar to the block_input routine, but | |
384 | we don't need to be concerned with ring wrap as the header will be at | |
385 | the start of a page, so we optimize accordingly. */ | |
386 | ||
387 | static void | |
388 | apne_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page) | |
389 | { | |
390 | ||
391 | int nic_base = dev->base_addr; | |
392 | int cnt; | |
393 | char *ptrc; | |
394 | short *ptrs; | |
395 | ||
396 | /* This *shouldn't* happen. If it does, it's the last thing you'll see */ | |
397 | if (ei_status.dmaing) { | |
c45f812f MW |
398 | netdev_err(dev, "DMAing conflict in ne_get_8390_hdr " |
399 | "[DMAstat:%d][irqlock:%d][intr:%d].\n", | |
400 | ei_status.dmaing, ei_status.irqlock, dev->irq); | |
1da177e4 LT |
401 | return; |
402 | } | |
403 | ||
404 | ei_status.dmaing |= 0x01; | |
405 | outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD); | |
406 | outb(ENISR_RDC, nic_base + NE_EN0_ISR); | |
407 | outb(sizeof(struct e8390_pkt_hdr), nic_base + NE_EN0_RCNTLO); | |
408 | outb(0, nic_base + NE_EN0_RCNTHI); | |
409 | outb(0, nic_base + NE_EN0_RSARLO); /* On page boundary */ | |
410 | outb(ring_page, nic_base + NE_EN0_RSARHI); | |
411 | outb(E8390_RREAD+E8390_START, nic_base + NE_CMD); | |
412 | ||
413 | if (ei_status.word16) { | |
414 | ptrs = (short*)hdr; | |
415 | for(cnt = 0; cnt < (sizeof(struct e8390_pkt_hdr)>>1); cnt++) | |
416 | *ptrs++ = inw(NE_BASE + NE_DATAPORT); | |
417 | } else { | |
418 | ptrc = (char*)hdr; | |
419 | for(cnt = 0; cnt < sizeof(struct e8390_pkt_hdr); cnt++) | |
420 | *ptrc++ = inb(NE_BASE + NE_DATAPORT); | |
421 | } | |
422 | ||
423 | outb(ENISR_RDC, nic_base + NE_EN0_ISR); /* Ack intr. */ | |
424 | ei_status.dmaing &= ~0x01; | |
425 | ||
426 | le16_to_cpus(&hdr->count); | |
427 | } | |
428 | ||
429 | /* Block input and output, similar to the Crynwr packet driver. If you | |
430 | are porting to a new ethercard, look at the packet driver source for hints. | |
431 | The NEx000 doesn't share the on-board packet memory -- you have to put | |
432 | the packet out through the "remote DMA" dataport using outb. */ | |
433 | ||
434 | static void | |
435 | apne_block_input(struct net_device *dev, int count, struct sk_buff *skb, int ring_offset) | |
436 | { | |
437 | int nic_base = dev->base_addr; | |
438 | char *buf = skb->data; | |
439 | char *ptrc; | |
440 | short *ptrs; | |
441 | int cnt; | |
442 | ||
443 | /* This *shouldn't* happen. If it does, it's the last thing you'll see */ | |
444 | if (ei_status.dmaing) { | |
c45f812f MW |
445 | netdev_err(dev, "DMAing conflict in ne_block_input " |
446 | "[DMAstat:%d][irqlock:%d][intr:%d].\n", | |
447 | ei_status.dmaing, ei_status.irqlock, dev->irq); | |
1da177e4 LT |
448 | return; |
449 | } | |
450 | ei_status.dmaing |= 0x01; | |
451 | outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD); | |
452 | outb(ENISR_RDC, nic_base + NE_EN0_ISR); | |
453 | outb(count & 0xff, nic_base + NE_EN0_RCNTLO); | |
454 | outb(count >> 8, nic_base + NE_EN0_RCNTHI); | |
455 | outb(ring_offset & 0xff, nic_base + NE_EN0_RSARLO); | |
456 | outb(ring_offset >> 8, nic_base + NE_EN0_RSARHI); | |
457 | outb(E8390_RREAD+E8390_START, nic_base + NE_CMD); | |
458 | if (ei_status.word16) { | |
459 | ptrs = (short*)buf; | |
460 | for (cnt = 0; cnt < (count>>1); cnt++) | |
461 | *ptrs++ = inw(NE_BASE + NE_DATAPORT); | |
462 | if (count & 0x01) { | |
463 | buf[count-1] = inb(NE_BASE + NE_DATAPORT); | |
464 | } | |
465 | } else { | |
64699336 | 466 | ptrc = buf; |
1da177e4 LT |
467 | for (cnt = 0; cnt < count; cnt++) |
468 | *ptrc++ = inb(NE_BASE + NE_DATAPORT); | |
469 | } | |
470 | ||
471 | outb(ENISR_RDC, nic_base + NE_EN0_ISR); /* Ack intr. */ | |
472 | ei_status.dmaing &= ~0x01; | |
473 | } | |
474 | ||
475 | static void | |
476 | apne_block_output(struct net_device *dev, int count, | |
477 | const unsigned char *buf, const int start_page) | |
478 | { | |
479 | int nic_base = NE_BASE; | |
480 | unsigned long dma_start; | |
481 | char *ptrc; | |
482 | short *ptrs; | |
483 | int cnt; | |
484 | ||
485 | /* Round the count up for word writes. Do we need to do this? | |
486 | What effect will an odd byte count have on the 8390? | |
487 | I should check someday. */ | |
488 | if (ei_status.word16 && (count & 0x01)) | |
489 | count++; | |
490 | ||
491 | /* This *shouldn't* happen. If it does, it's the last thing you'll see */ | |
492 | if (ei_status.dmaing) { | |
c45f812f MW |
493 | netdev_err(dev, "DMAing conflict in ne_block_output." |
494 | "[DMAstat:%d][irqlock:%d][intr:%d]\n", | |
495 | ei_status.dmaing, ei_status.irqlock, dev->irq); | |
1da177e4 LT |
496 | return; |
497 | } | |
498 | ei_status.dmaing |= 0x01; | |
499 | /* We should already be in page 0, but to be safe... */ | |
500 | outb(E8390_PAGE0+E8390_START+E8390_NODMA, nic_base + NE_CMD); | |
501 | ||
502 | outb(ENISR_RDC, nic_base + NE_EN0_ISR); | |
503 | ||
504 | /* Now the normal output. */ | |
505 | outb(count & 0xff, nic_base + NE_EN0_RCNTLO); | |
506 | outb(count >> 8, nic_base + NE_EN0_RCNTHI); | |
507 | outb(0x00, nic_base + NE_EN0_RSARLO); | |
508 | outb(start_page, nic_base + NE_EN0_RSARHI); | |
509 | ||
510 | outb(E8390_RWRITE+E8390_START, nic_base + NE_CMD); | |
511 | if (ei_status.word16) { | |
512 | ptrs = (short*)buf; | |
513 | for (cnt = 0; cnt < count>>1; cnt++) | |
514 | outw(*ptrs++, NE_BASE+NE_DATAPORT); | |
515 | } else { | |
516 | ptrc = (char*)buf; | |
517 | for (cnt = 0; cnt < count; cnt++) | |
518 | outb(*ptrc++, NE_BASE + NE_DATAPORT); | |
519 | } | |
520 | ||
521 | dma_start = jiffies; | |
522 | ||
523 | while ((inb(NE_BASE + NE_EN0_ISR) & ENISR_RDC) == 0) | |
ff5688ae | 524 | if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */ |
c45f812f | 525 | netdev_warn(dev, "timeout waiting for Tx RDC.\n"); |
1da177e4 LT |
526 | apne_reset_8390(dev); |
527 | NS8390_init(dev,1); | |
528 | break; | |
529 | } | |
530 | ||
531 | outb(ENISR_RDC, nic_base + NE_EN0_ISR); /* Ack intr. */ | |
532 | ei_status.dmaing &= ~0x01; | |
1da177e4 LT |
533 | } |
534 | ||
7d12e780 | 535 | static irqreturn_t apne_interrupt(int irq, void *dev_id) |
1da177e4 LT |
536 | { |
537 | unsigned char pcmcia_intreq; | |
538 | ||
539 | if (!(gayle.inten & GAYLE_IRQ_IRQ)) | |
540 | return IRQ_NONE; | |
541 | ||
542 | pcmcia_intreq = pcmcia_get_intreq(); | |
543 | ||
544 | if (!(pcmcia_intreq & GAYLE_IRQ_IRQ)) { | |
545 | pcmcia_ack_int(pcmcia_intreq); | |
546 | return IRQ_NONE; | |
547 | } | |
c45f812f MW |
548 | if (apne_msg_enable & NETIF_MSG_INTR) |
549 | pr_debug("pcmcia intreq = %x\n", pcmcia_intreq); | |
1da177e4 | 550 | pcmcia_disable_irq(); /* to get rid of the sti() within ei_interrupt */ |
7d12e780 | 551 | ei_interrupt(irq, dev_id); |
1da177e4 LT |
552 | pcmcia_ack_int(pcmcia_get_intreq()); |
553 | pcmcia_enable_irq(); | |
554 | return IRQ_HANDLED; | |
555 | } | |
556 | ||
557 | #ifdef MODULE | |
558 | static struct net_device *apne_dev; | |
559 | ||
3cfbb677 | 560 | static int __init apne_module_init(void) |
1da177e4 LT |
561 | { |
562 | apne_dev = apne_probe(-1); | |
0af764e3 | 563 | return PTR_ERR_OR_ZERO(apne_dev); |
1da177e4 LT |
564 | } |
565 | ||
3cfbb677 | 566 | static void __exit apne_module_exit(void) |
1da177e4 LT |
567 | { |
568 | unregister_netdev(apne_dev); | |
569 | ||
570 | pcmcia_disable_irq(); | |
571 | ||
572 | free_irq(IRQ_AMIGA_PORTS, apne_dev); | |
573 | ||
574 | pcmcia_reset(); | |
575 | ||
576 | release_region(IOBASE, 0x20); | |
577 | ||
578 | free_netdev(apne_dev); | |
579 | } | |
3cfbb677 JS |
580 | module_init(apne_module_init); |
581 | module_exit(apne_module_exit); | |
1da177e4 LT |
582 | #endif |
583 | ||
584 | static int init_pcmcia(void) | |
585 | { | |
586 | u_char config; | |
587 | #ifndef MANUAL_CONFIG | |
588 | u_char tuple[32]; | |
589 | int offset_len; | |
590 | #endif | |
591 | u_long offset; | |
592 | ||
593 | pcmcia_reset(); | |
594 | pcmcia_program_voltage(PCMCIA_0V); | |
595 | pcmcia_access_speed(PCMCIA_SPEED_250NS); | |
596 | pcmcia_write_enable(); | |
597 | ||
598 | #ifdef MANUAL_CONFIG | |
599 | config = MANUAL_CONFIG; | |
600 | #else | |
601 | /* get and write config byte to enable IO port */ | |
602 | ||
603 | if (pcmcia_copy_tuple(CISTPL_CFTABLE_ENTRY, tuple, 32) < 3) | |
604 | return 0; | |
605 | ||
606 | config = tuple[2] & 0x3f; | |
607 | #endif | |
608 | #ifdef MANUAL_OFFSET | |
609 | offset = MANUAL_OFFSET; | |
610 | #else | |
611 | if (pcmcia_copy_tuple(CISTPL_CONFIG, tuple, 32) < 6) | |
612 | return 0; | |
613 | ||
614 | offset_len = (tuple[2] & 0x3) + 1; | |
615 | offset = 0; | |
616 | while(offset_len--) { | |
617 | offset = (offset << 8) | tuple[4+offset_len]; | |
618 | } | |
619 | #endif | |
620 | ||
621 | out_8(GAYLE_ATTRIBUTE+offset, config); | |
622 | ||
623 | return 1; | |
624 | } | |
625 | ||
626 | MODULE_LICENSE("GPL"); |