Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * proteon.c: A network driver for Proteon ISA token ring cards. | |
3 | * | |
4 | * Based on tmspci written 1999 by Adam Fritzler | |
5 | * | |
6 | * Written 2003 by Jochen Friedrich | |
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 | * This driver module supports the following cards: | |
12 | * - Proteon 1392, 1392+ | |
13 | * | |
14 | * Maintainer(s): | |
726a6459 | 15 | * AF Adam Fritzler |
1da177e4 LT |
16 | * JF Jochen Friedrich jochen@scram.de |
17 | * | |
18 | * Modification History: | |
19 | * 02-Jan-03 JF Created | |
20 | * | |
21 | */ | |
22 | static const char version[] = "proteon.c: v1.00 02/01/2003 by Jochen Friedrich\n"; | |
23 | ||
24 | #include <linux/module.h> | |
25 | #include <linux/kernel.h> | |
26 | #include <linux/delay.h> | |
27 | #include <linux/errno.h> | |
28 | #include <linux/pci.h> | |
29 | #include <linux/init.h> | |
30 | #include <linux/netdevice.h> | |
31 | #include <linux/trdevice.h> | |
d052d1be | 32 | #include <linux/platform_device.h> |
1da177e4 LT |
33 | |
34 | #include <asm/system.h> | |
35 | #include <asm/io.h> | |
36 | #include <asm/irq.h> | |
37 | #include <asm/pci.h> | |
38 | #include <asm/dma.h> | |
39 | ||
40 | #include "tms380tr.h" | |
41 | ||
42 | #define PROTEON_IO_EXTENT 32 | |
43 | ||
44 | /* A zero-terminated list of I/O addresses to be probed. */ | |
45 | static unsigned int portlist[] __initdata = { | |
46 | 0x0A20, 0x0E20, 0x1A20, 0x1E20, 0x2A20, 0x2E20, 0x3A20, 0x3E20,// Prot. | |
47 | 0x4A20, 0x4E20, 0x5A20, 0x5E20, 0x6A20, 0x6E20, 0x7A20, 0x7E20,// Prot. | |
48 | 0x8A20, 0x8E20, 0x9A20, 0x9E20, 0xAA20, 0xAE20, 0xBA20, 0xBE20,// Prot. | |
49 | 0xCA20, 0xCE20, 0xDA20, 0xDE20, 0xEA20, 0xEE20, 0xFA20, 0xFE20,// Prot. | |
50 | 0 | |
51 | }; | |
52 | ||
53 | /* A zero-terminated list of IRQs to be probed. */ | |
54 | static unsigned short irqlist[] = { | |
55 | 7, 6, 5, 4, 3, 12, 11, 10, 9, | |
56 | 0 | |
57 | }; | |
58 | ||
59 | /* A zero-terminated list of DMAs to be probed. */ | |
60 | static int dmalist[] __initdata = { | |
61 | 5, 6, 7, | |
62 | 0 | |
63 | }; | |
64 | ||
65 | static char cardname[] = "Proteon 1392\0"; | |
504ff16c | 66 | static u64 dma_mask = ISA_MAX_ADDRESS; |
1da177e4 LT |
67 | static int proteon_open(struct net_device *dev); |
68 | static void proteon_read_eeprom(struct net_device *dev); | |
69 | static unsigned short proteon_setnselout_pins(struct net_device *dev); | |
70 | ||
71 | static unsigned short proteon_sifreadb(struct net_device *dev, unsigned short reg) | |
72 | { | |
73 | return inb(dev->base_addr + reg); | |
74 | } | |
75 | ||
76 | static unsigned short proteon_sifreadw(struct net_device *dev, unsigned short reg) | |
77 | { | |
78 | return inw(dev->base_addr + reg); | |
79 | } | |
80 | ||
81 | static void proteon_sifwriteb(struct net_device *dev, unsigned short val, unsigned short reg) | |
82 | { | |
83 | outb(val, dev->base_addr + reg); | |
84 | } | |
85 | ||
86 | static void proteon_sifwritew(struct net_device *dev, unsigned short val, unsigned short reg) | |
87 | { | |
88 | outw(val, dev->base_addr + reg); | |
89 | } | |
90 | ||
91 | static int __init proteon_probe1(struct net_device *dev, int ioaddr) | |
92 | { | |
93 | unsigned char chk1, chk2; | |
94 | int i; | |
95 | ||
96 | if (!request_region(ioaddr, PROTEON_IO_EXTENT, cardname)) | |
97 | return -ENODEV; | |
98 | ||
99 | ||
100 | chk1 = inb(ioaddr + 0x1f); /* Get Proteon ID reg 1 */ | |
101 | if (chk1 != 0x1f) | |
102 | goto nodev; | |
103 | ||
104 | chk1 = inb(ioaddr + 0x1e) & 0x07; /* Get Proteon ID reg 0 */ | |
105 | for (i=0; i<16; i++) { | |
106 | chk2 = inb(ioaddr + 0x1e) & 0x07; | |
107 | if (((chk1 + 1) & 0x07) != chk2) | |
108 | goto nodev; | |
109 | chk1 = chk2; | |
110 | } | |
111 | ||
112 | dev->base_addr = ioaddr; | |
113 | return (0); | |
114 | nodev: | |
115 | release_region(ioaddr, PROTEON_IO_EXTENT); | |
116 | return -ENODEV; | |
117 | } | |
118 | ||
504ff16c | 119 | static int __init setup_card(struct net_device *dev, struct device *pdev) |
1da177e4 LT |
120 | { |
121 | struct net_local *tp; | |
122 | static int versionprinted; | |
123 | const unsigned *port; | |
124 | int j,err = 0; | |
125 | ||
126 | if (!dev) | |
127 | return -ENOMEM; | |
128 | ||
1da177e4 LT |
129 | if (dev->base_addr) /* probe specific location */ |
130 | err = proteon_probe1(dev, dev->base_addr); | |
131 | else { | |
132 | for (port = portlist; *port; port++) { | |
133 | err = proteon_probe1(dev, *port); | |
134 | if (!err) | |
135 | break; | |
136 | } | |
137 | } | |
138 | if (err) | |
504ff16c | 139 | goto out5; |
1da177e4 LT |
140 | |
141 | /* At this point we have found a valid card. */ | |
142 | ||
143 | if (versionprinted++ == 0) | |
144 | printk(KERN_DEBUG "%s", version); | |
145 | ||
146 | err = -EIO; | |
504ff16c | 147 | pdev->dma_mask = &dma_mask; |
84c3ea01 | 148 | if (tmsdev_init(dev, pdev)) |
1da177e4 LT |
149 | goto out4; |
150 | ||
151 | dev->base_addr &= ~3; | |
152 | ||
153 | proteon_read_eeprom(dev); | |
154 | ||
e174961c JB |
155 | printk(KERN_DEBUG "proteon.c: Ring Station Address: %pM\n", |
156 | dev->dev_addr); | |
1da177e4 LT |
157 | |
158 | tp = netdev_priv(dev); | |
159 | tp->setnselout = proteon_setnselout_pins; | |
160 | ||
161 | tp->sifreadb = proteon_sifreadb; | |
162 | tp->sifreadw = proteon_sifreadw; | |
163 | tp->sifwriteb = proteon_sifwriteb; | |
164 | tp->sifwritew = proteon_sifwritew; | |
165 | ||
166 | memcpy(tp->ProductID, cardname, PROD_ID_SIZE + 1); | |
167 | ||
168 | tp->tmspriv = NULL; | |
169 | ||
170 | dev->open = proteon_open; | |
171 | dev->stop = tms380tr_close; | |
172 | ||
173 | if (dev->irq == 0) | |
174 | { | |
175 | for(j = 0; irqlist[j] != 0; j++) | |
176 | { | |
177 | dev->irq = irqlist[j]; | |
178 | if (!request_irq(dev->irq, tms380tr_interrupt, 0, | |
179 | cardname, dev)) | |
180 | break; | |
181 | } | |
182 | ||
183 | if(irqlist[j] == 0) | |
184 | { | |
504ff16c | 185 | printk(KERN_INFO "proteon.c: AutoSelect no IRQ available\n"); |
1da177e4 LT |
186 | goto out3; |
187 | } | |
188 | } | |
189 | else | |
190 | { | |
191 | for(j = 0; irqlist[j] != 0; j++) | |
192 | if (irqlist[j] == dev->irq) | |
193 | break; | |
194 | if (irqlist[j] == 0) | |
195 | { | |
504ff16c JF |
196 | printk(KERN_INFO "proteon.c: Illegal IRQ %d specified\n", |
197 | dev->irq); | |
1da177e4 LT |
198 | goto out3; |
199 | } | |
200 | if (request_irq(dev->irq, tms380tr_interrupt, 0, | |
201 | cardname, dev)) | |
202 | { | |
504ff16c JF |
203 | printk(KERN_INFO "proteon.c: Selected IRQ %d not available\n", |
204 | dev->irq); | |
1da177e4 LT |
205 | goto out3; |
206 | } | |
207 | } | |
208 | ||
209 | if (dev->dma == 0) | |
210 | { | |
211 | for(j = 0; dmalist[j] != 0; j++) | |
212 | { | |
213 | dev->dma = dmalist[j]; | |
214 | if (!request_dma(dev->dma, cardname)) | |
215 | break; | |
216 | } | |
217 | ||
218 | if(dmalist[j] == 0) | |
219 | { | |
504ff16c | 220 | printk(KERN_INFO "proteon.c: AutoSelect no DMA available\n"); |
1da177e4 LT |
221 | goto out2; |
222 | } | |
223 | } | |
224 | else | |
225 | { | |
226 | for(j = 0; dmalist[j] != 0; j++) | |
227 | if (dmalist[j] == dev->dma) | |
228 | break; | |
229 | if (dmalist[j] == 0) | |
230 | { | |
504ff16c JF |
231 | printk(KERN_INFO "proteon.c: Illegal DMA %d specified\n", |
232 | dev->dma); | |
1da177e4 LT |
233 | goto out2; |
234 | } | |
235 | if (request_dma(dev->dma, cardname)) | |
236 | { | |
504ff16c JF |
237 | printk(KERN_INFO "proteon.c: Selected DMA %d not available\n", |
238 | dev->dma); | |
1da177e4 LT |
239 | goto out2; |
240 | } | |
241 | } | |
242 | ||
1da177e4 LT |
243 | err = register_netdev(dev); |
244 | if (err) | |
245 | goto out; | |
246 | ||
504ff16c JF |
247 | printk(KERN_DEBUG "%s: IO: %#4lx IRQ: %d DMA: %d\n", |
248 | dev->name, dev->base_addr, dev->irq, dev->dma); | |
249 | ||
1da177e4 LT |
250 | return 0; |
251 | out: | |
252 | free_dma(dev->dma); | |
253 | out2: | |
254 | free_irq(dev->irq, dev); | |
255 | out3: | |
256 | tmsdev_term(dev); | |
257 | out4: | |
504ff16c JF |
258 | release_region(dev->base_addr, PROTEON_IO_EXTENT); |
259 | out5: | |
1da177e4 LT |
260 | return err; |
261 | } | |
262 | ||
1da177e4 LT |
263 | /* |
264 | * Reads MAC address from adapter RAM, which should've read it from | |
265 | * the onboard ROM. | |
266 | * | |
267 | * Calling this on a board that does not support it can be a very | |
268 | * dangerous thing. The Madge board, for instance, will lock your | |
269 | * machine hard when this is called. Luckily, its supported in a | |
270 | * separate driver. --ASF | |
271 | */ | |
272 | static void proteon_read_eeprom(struct net_device *dev) | |
273 | { | |
274 | int i; | |
275 | ||
276 | /* Address: 0000:0000 */ | |
277 | proteon_sifwritew(dev, 0, SIFADX); | |
278 | proteon_sifwritew(dev, 0, SIFADR); | |
279 | ||
280 | /* Read six byte MAC address data */ | |
281 | dev->addr_len = 6; | |
282 | for(i = 0; i < 6; i++) | |
283 | dev->dev_addr[i] = proteon_sifreadw(dev, SIFINC) >> 8; | |
284 | } | |
285 | ||
286 | unsigned short proteon_setnselout_pins(struct net_device *dev) | |
287 | { | |
288 | return 0; | |
289 | } | |
290 | ||
291 | static int proteon_open(struct net_device *dev) | |
292 | { | |
293 | struct net_local *tp = netdev_priv(dev); | |
294 | unsigned short val = 0; | |
295 | int i; | |
296 | ||
297 | /* Proteon reset sequence */ | |
298 | outb(0, dev->base_addr + 0x11); | |
299 | mdelay(20); | |
300 | outb(0x04, dev->base_addr + 0x11); | |
301 | mdelay(20); | |
302 | outb(0, dev->base_addr + 0x11); | |
303 | mdelay(100); | |
304 | ||
305 | /* set control/status reg */ | |
306 | val = inb(dev->base_addr + 0x11); | |
307 | val |= 0x78; | |
308 | val &= 0xf9; | |
309 | if(tp->DataRate == SPEED_4) | |
310 | val |= 0x20; | |
311 | else | |
312 | val &= ~0x20; | |
313 | ||
314 | outb(val, dev->base_addr + 0x11); | |
315 | outb(0xff, dev->base_addr + 0x12); | |
316 | for(i = 0; irqlist[i] != 0; i++) | |
317 | { | |
318 | if(irqlist[i] == dev->irq) | |
319 | break; | |
320 | } | |
321 | val = i; | |
322 | i = (7 - dev->dma) << 4; | |
323 | val |= i; | |
324 | outb(val, dev->base_addr + 0x13); | |
325 | ||
326 | return tms380tr_open(dev); | |
327 | } | |
328 | ||
1da177e4 LT |
329 | #define ISATR_MAX_ADAPTERS 3 |
330 | ||
331 | static int io[ISATR_MAX_ADAPTERS]; | |
332 | static int irq[ISATR_MAX_ADAPTERS]; | |
333 | static int dma[ISATR_MAX_ADAPTERS]; | |
334 | ||
335 | MODULE_LICENSE("GPL"); | |
336 | ||
337 | module_param_array(io, int, NULL, 0); | |
338 | module_param_array(irq, int, NULL, 0); | |
339 | module_param_array(dma, int, NULL, 0); | |
340 | ||
504ff16c JF |
341 | static struct platform_device *proteon_dev[ISATR_MAX_ADAPTERS]; |
342 | ||
3ae5eaec RK |
343 | static struct platform_driver proteon_driver = { |
344 | .driver = { | |
345 | .name = "proteon", | |
346 | }, | |
504ff16c | 347 | }; |
1da177e4 | 348 | |
504ff16c | 349 | static int __init proteon_init(void) |
1da177e4 LT |
350 | { |
351 | struct net_device *dev; | |
504ff16c | 352 | struct platform_device *pdev; |
1da177e4 LT |
353 | int i, num = 0, err = 0; |
354 | ||
3ae5eaec | 355 | err = platform_driver_register(&proteon_driver); |
504ff16c JF |
356 | if (err) |
357 | return err; | |
358 | ||
1da177e4 LT |
359 | for (i = 0; i < ISATR_MAX_ADAPTERS ; i++) { |
360 | dev = alloc_trdev(sizeof(struct net_local)); | |
361 | if (!dev) | |
362 | continue; | |
363 | ||
364 | dev->base_addr = io[i]; | |
365 | dev->irq = irq[i]; | |
366 | dev->dma = dma[i]; | |
504ff16c JF |
367 | pdev = platform_device_register_simple("proteon", |
368 | i, NULL, 0); | |
9d4df9e0 AM |
369 | if (IS_ERR(pdev)) { |
370 | free_netdev(dev); | |
371 | continue; | |
372 | } | |
504ff16c | 373 | err = setup_card(dev, &pdev->dev); |
1da177e4 | 374 | if (!err) { |
504ff16c | 375 | proteon_dev[i] = pdev; |
3ae5eaec | 376 | platform_set_drvdata(pdev, dev); |
1da177e4 LT |
377 | ++num; |
378 | } else { | |
504ff16c | 379 | platform_device_unregister(pdev); |
1da177e4 LT |
380 | free_netdev(dev); |
381 | } | |
382 | } | |
383 | ||
384 | printk(KERN_NOTICE "proteon.c: %d cards found.\n", num); | |
385 | /* Probe for cards. */ | |
386 | if (num == 0) { | |
387 | printk(KERN_NOTICE "proteon.c: No cards found.\n"); | |
9d4df9e0 AM |
388 | platform_driver_unregister(&proteon_driver); |
389 | return -ENODEV; | |
1da177e4 | 390 | } |
9d4df9e0 | 391 | return 0; |
1da177e4 LT |
392 | } |
393 | ||
504ff16c | 394 | static void __exit proteon_cleanup(void) |
1da177e4 | 395 | { |
504ff16c | 396 | struct net_device *dev; |
1da177e4 LT |
397 | int i; |
398 | ||
399 | for (i = 0; i < ISATR_MAX_ADAPTERS ; i++) { | |
504ff16c | 400 | struct platform_device *pdev = proteon_dev[i]; |
1da177e4 | 401 | |
504ff16c | 402 | if (!pdev) |
1da177e4 | 403 | continue; |
3ae5eaec | 404 | dev = platform_get_drvdata(pdev); |
1da177e4 LT |
405 | unregister_netdev(dev); |
406 | release_region(dev->base_addr, PROTEON_IO_EXTENT); | |
407 | free_irq(dev->irq, dev); | |
408 | free_dma(dev->dma); | |
409 | tmsdev_term(dev); | |
410 | free_netdev(dev); | |
3ae5eaec | 411 | platform_set_drvdata(pdev, NULL); |
504ff16c | 412 | platform_device_unregister(pdev); |
1da177e4 | 413 | } |
3ae5eaec | 414 | platform_driver_unregister(&proteon_driver); |
1da177e4 | 415 | } |
1da177e4 | 416 | |
504ff16c JF |
417 | module_init(proteon_init); |
418 | module_exit(proteon_cleanup); |