diff options
author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
---|---|---|
committer | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
commit | fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch) | |
tree | a57612d1888735a2ec7972891b68c1ac5ec8faea /drivers/net/tokenring/proteon.c | |
parent | 8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff) |
Diffstat (limited to 'drivers/net/tokenring/proteon.c')
-rw-r--r-- | drivers/net/tokenring/proteon.c | 423 |
1 files changed, 423 insertions, 0 deletions
diff --git a/drivers/net/tokenring/proteon.c b/drivers/net/tokenring/proteon.c new file mode 100644 index 00000000000..8d362e64a40 --- /dev/null +++ b/drivers/net/tokenring/proteon.c | |||
@@ -0,0 +1,423 @@ | |||
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): | ||
15 | * AF Adam Fritzler | ||
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> | ||
32 | #include <linux/platform_device.h> | ||
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"; | ||
66 | static u64 dma_mask = ISA_MAX_ADDRESS; | ||
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 | |||
119 | static struct net_device_ops proteon_netdev_ops __read_mostly; | ||
120 | |||
121 | static int __init setup_card(struct net_device *dev, struct device *pdev) | ||
122 | { | ||
123 | struct net_local *tp; | ||
124 | static int versionprinted; | ||
125 | const unsigned *port; | ||
126 | int j,err = 0; | ||
127 | |||
128 | if (!dev) | ||
129 | return -ENOMEM; | ||
130 | |||
131 | if (dev->base_addr) /* probe specific location */ | ||
132 | err = proteon_probe1(dev, dev->base_addr); | ||
133 | else { | ||
134 | for (port = portlist; *port; port++) { | ||
135 | err = proteon_probe1(dev, *port); | ||
136 | if (!err) | ||
137 | break; | ||
138 | } | ||
139 | } | ||
140 | if (err) | ||
141 | goto out5; | ||
142 | |||
143 | /* At this point we have found a valid card. */ | ||
144 | |||
145 | if (versionprinted++ == 0) | ||
146 | printk(KERN_DEBUG "%s", version); | ||
147 | |||
148 | err = -EIO; | ||
149 | pdev->dma_mask = &dma_mask; | ||
150 | if (tmsdev_init(dev, pdev)) | ||
151 | goto out4; | ||
152 | |||
153 | dev->base_addr &= ~3; | ||
154 | |||
155 | proteon_read_eeprom(dev); | ||
156 | |||
157 | printk(KERN_DEBUG "proteon.c: Ring Station Address: %pM\n", | ||
158 | dev->dev_addr); | ||
159 | |||
160 | tp = netdev_priv(dev); | ||
161 | tp->setnselout = proteon_setnselout_pins; | ||
162 | |||
163 | tp->sifreadb = proteon_sifreadb; | ||
164 | tp->sifreadw = proteon_sifreadw; | ||
165 | tp->sifwriteb = proteon_sifwriteb; | ||
166 | tp->sifwritew = proteon_sifwritew; | ||
167 | |||
168 | memcpy(tp->ProductID, cardname, PROD_ID_SIZE + 1); | ||
169 | |||
170 | tp->tmspriv = NULL; | ||
171 | |||
172 | dev->netdev_ops = &proteon_netdev_ops; | ||
173 | |||
174 | if (dev->irq == 0) | ||
175 | { | ||
176 | for(j = 0; irqlist[j] != 0; j++) | ||
177 | { | ||
178 | dev->irq = irqlist[j]; | ||
179 | if (!request_irq(dev->irq, tms380tr_interrupt, 0, | ||
180 | cardname, dev)) | ||
181 | break; | ||
182 | } | ||
183 | |||
184 | if(irqlist[j] == 0) | ||
185 | { | ||
186 | printk(KERN_INFO "proteon.c: AutoSelect no IRQ available\n"); | ||
187 | goto out3; | ||
188 | } | ||
189 | } | ||
190 | else | ||
191 | { | ||
192 | for(j = 0; irqlist[j] != 0; j++) | ||
193 | if (irqlist[j] == dev->irq) | ||
194 | break; | ||
195 | if (irqlist[j] == 0) | ||
196 | { | ||
197 | printk(KERN_INFO "proteon.c: Illegal IRQ %d specified\n", | ||
198 | dev->irq); | ||
199 | goto out3; | ||
200 | } | ||
201 | if (request_irq(dev->irq, tms380tr_interrupt, 0, | ||
202 | cardname, dev)) | ||
203 | { | ||
204 | printk(KERN_INFO "proteon.c: Selected IRQ %d not available\n", | ||
205 | dev->irq); | ||
206 | goto out3; | ||
207 | } | ||
208 | } | ||
209 | |||
210 | if (dev->dma == 0) | ||
211 | { | ||
212 | for(j = 0; dmalist[j] != 0; j++) | ||
213 | { | ||
214 | dev->dma = dmalist[j]; | ||
215 | if (!request_dma(dev->dma, cardname)) | ||
216 | break; | ||
217 | } | ||
218 | |||
219 | if(dmalist[j] == 0) | ||
220 | { | ||
221 | printk(KERN_INFO "proteon.c: AutoSelect no DMA available\n"); | ||
222 | goto out2; | ||
223 | } | ||
224 | } | ||
225 | else | ||
226 | { | ||
227 | for(j = 0; dmalist[j] != 0; j++) | ||
228 | if (dmalist[j] == dev->dma) | ||
229 | break; | ||
230 | if (dmalist[j] == 0) | ||
231 | { | ||
232 | printk(KERN_INFO "proteon.c: Illegal DMA %d specified\n", | ||
233 | dev->dma); | ||
234 | goto out2; | ||
235 | } | ||
236 | if (request_dma(dev->dma, cardname)) | ||
237 | { | ||
238 | printk(KERN_INFO "proteon.c: Selected DMA %d not available\n", | ||
239 | dev->dma); | ||
240 | goto out2; | ||
241 | } | ||
242 | } | ||
243 | |||
244 | err = register_netdev(dev); | ||
245 | if (err) | ||
246 | goto out; | ||
247 | |||
248 | printk(KERN_DEBUG "%s: IO: %#4lx IRQ: %d DMA: %d\n", | ||
249 | dev->name, dev->base_addr, dev->irq, dev->dma); | ||
250 | |||
251 | return 0; | ||
252 | out: | ||
253 | free_dma(dev->dma); | ||
254 | out2: | ||
255 | free_irq(dev->irq, dev); | ||
256 | out3: | ||
257 | tmsdev_term(dev); | ||
258 | out4: | ||
259 | release_region(dev->base_addr, PROTEON_IO_EXTENT); | ||
260 | out5: | ||
261 | return err; | ||
262 | } | ||
263 | |||
264 | /* | ||
265 | * Reads MAC address from adapter RAM, which should've read it from | ||
266 | * the onboard ROM. | ||
267 | * | ||
268 | * Calling this on a board that does not support it can be a very | ||
269 | * dangerous thing. The Madge board, for instance, will lock your | ||
270 | * machine hard when this is called. Luckily, its supported in a | ||
271 | * separate driver. --ASF | ||
272 | */ | ||
273 | static void proteon_read_eeprom(struct net_device *dev) | ||
274 | { | ||
275 | int i; | ||
276 | |||
277 | /* Address: 0000:0000 */ | ||
278 | proteon_sifwritew(dev, 0, SIFADX); | ||
279 | proteon_sifwritew(dev, 0, SIFADR); | ||
280 | |||
281 | /* Read six byte MAC address data */ | ||
282 | dev->addr_len = 6; | ||
283 | for(i = 0; i < 6; i++) | ||
284 | dev->dev_addr[i] = proteon_sifreadw(dev, SIFINC) >> 8; | ||
285 | } | ||
286 | |||
287 | static unsigned short proteon_setnselout_pins(struct net_device *dev) | ||
288 | { | ||
289 | return 0; | ||
290 | } | ||
291 | |||
292 | static int proteon_open(struct net_device *dev) | ||
293 | { | ||
294 | struct net_local *tp = netdev_priv(dev); | ||
295 | unsigned short val = 0; | ||
296 | int i; | ||
297 | |||
298 | /* Proteon reset sequence */ | ||
299 | outb(0, dev->base_addr + 0x11); | ||
300 | mdelay(20); | ||
301 | outb(0x04, dev->base_addr + 0x11); | ||
302 | mdelay(20); | ||
303 | outb(0, dev->base_addr + 0x11); | ||
304 | mdelay(100); | ||
305 | |||
306 | /* set control/status reg */ | ||
307 | val = inb(dev->base_addr + 0x11); | ||
308 | val |= 0x78; | ||
309 | val &= 0xf9; | ||
310 | if(tp->DataRate == SPEED_4) | ||
311 | val |= 0x20; | ||
312 | else | ||
313 | val &= ~0x20; | ||
314 | |||
315 | outb(val, dev->base_addr + 0x11); | ||
316 | outb(0xff, dev->base_addr + 0x12); | ||
317 | for(i = 0; irqlist[i] != 0; i++) | ||
318 | { | ||
319 | if(irqlist[i] == dev->irq) | ||
320 | break; | ||
321 | } | ||
322 | val = i; | ||
323 | i = (7 - dev->dma) << 4; | ||
324 | val |= i; | ||
325 | outb(val, dev->base_addr + 0x13); | ||
326 | |||
327 | return tms380tr_open(dev); | ||
328 | } | ||
329 | |||
330 | #define ISATR_MAX_ADAPTERS 3 | ||
331 | |||
332 | static int io[ISATR_MAX_ADAPTERS]; | ||
333 | static int irq[ISATR_MAX_ADAPTERS]; | ||
334 | static int dma[ISATR_MAX_ADAPTERS]; | ||
335 | |||
336 | MODULE_LICENSE("GPL"); | ||
337 | |||
338 | module_param_array(io, int, NULL, 0); | ||
339 | module_param_array(irq, int, NULL, 0); | ||
340 | module_param_array(dma, int, NULL, 0); | ||
341 | |||
342 | static struct platform_device *proteon_dev[ISATR_MAX_ADAPTERS]; | ||
343 | |||
344 | static struct platform_driver proteon_driver = { | ||
345 | .driver = { | ||
346 | .name = "proteon", | ||
347 | }, | ||
348 | }; | ||
349 | |||
350 | static int __init proteon_init(void) | ||
351 | { | ||
352 | struct net_device *dev; | ||
353 | struct platform_device *pdev; | ||
354 | int i, num = 0, err = 0; | ||
355 | |||
356 | proteon_netdev_ops = tms380tr_netdev_ops; | ||
357 | proteon_netdev_ops.ndo_open = proteon_open; | ||
358 | proteon_netdev_ops.ndo_stop = tms380tr_close; | ||
359 | |||
360 | err = platform_driver_register(&proteon_driver); | ||
361 | if (err) | ||
362 | return err; | ||
363 | |||
364 | for (i = 0; i < ISATR_MAX_ADAPTERS ; i++) { | ||
365 | dev = alloc_trdev(sizeof(struct net_local)); | ||
366 | if (!dev) | ||
367 | continue; | ||
368 | |||
369 | dev->base_addr = io[i]; | ||
370 | dev->irq = irq[i]; | ||
371 | dev->dma = dma[i]; | ||
372 | pdev = platform_device_register_simple("proteon", | ||
373 | i, NULL, 0); | ||
374 | if (IS_ERR(pdev)) { | ||
375 | free_netdev(dev); | ||
376 | continue; | ||
377 | } | ||
378 | err = setup_card(dev, &pdev->dev); | ||
379 | if (!err) { | ||
380 | proteon_dev[i] = pdev; | ||
381 | platform_set_drvdata(pdev, dev); | ||
382 | ++num; | ||
383 | } else { | ||
384 | platform_device_unregister(pdev); | ||
385 | free_netdev(dev); | ||
386 | } | ||
387 | } | ||
388 | |||
389 | printk(KERN_NOTICE "proteon.c: %d cards found.\n", num); | ||
390 | /* Probe for cards. */ | ||
391 | if (num == 0) { | ||
392 | printk(KERN_NOTICE "proteon.c: No cards found.\n"); | ||
393 | platform_driver_unregister(&proteon_driver); | ||
394 | return -ENODEV; | ||
395 | } | ||
396 | return 0; | ||
397 | } | ||
398 | |||
399 | static void __exit proteon_cleanup(void) | ||
400 | { | ||
401 | struct net_device *dev; | ||
402 | int i; | ||
403 | |||
404 | for (i = 0; i < ISATR_MAX_ADAPTERS ; i++) { | ||
405 | struct platform_device *pdev = proteon_dev[i]; | ||
406 | |||
407 | if (!pdev) | ||
408 | continue; | ||
409 | dev = platform_get_drvdata(pdev); | ||
410 | unregister_netdev(dev); | ||
411 | release_region(dev->base_addr, PROTEON_IO_EXTENT); | ||
412 | free_irq(dev->irq, dev); | ||
413 | free_dma(dev->dma); | ||
414 | tmsdev_term(dev); | ||
415 | free_netdev(dev); | ||
416 | platform_set_drvdata(pdev, NULL); | ||
417 | platform_device_unregister(pdev); | ||
418 | } | ||
419 | platform_driver_unregister(&proteon_driver); | ||
420 | } | ||
421 | |||
422 | module_init(proteon_init); | ||
423 | module_exit(proteon_cleanup); | ||