diff options
author | David Kilroy <kilroyd@googlemail.com> | 2008-10-31 09:35:21 -0400 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2008-11-10 15:17:42 -0500 |
commit | b2e53b338b7b4608372d070bb477f3bae3971e5a (patch) | |
tree | 1d2bc35201029e8cd0b8007c5ebc0b07fd1a03ec /drivers/net/wireless/orinoco/orinoco_nortel.c | |
parent | 5166ccd220f187b2e9edfc5f01eb49f4a0ebf586 (diff) |
orinoco: Move sources to a subdirectory
Keeping all the orinoco drivers in a common directory will make
maintenance easier.
Signed-off by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/orinoco/orinoco_nortel.c')
-rw-r--r-- | drivers/net/wireless/orinoco/orinoco_nortel.c | 324 |
1 files changed, 324 insertions, 0 deletions
diff --git a/drivers/net/wireless/orinoco/orinoco_nortel.c b/drivers/net/wireless/orinoco/orinoco_nortel.c new file mode 100644 index 00000000000..2fc86596302 --- /dev/null +++ b/drivers/net/wireless/orinoco/orinoco_nortel.c | |||
@@ -0,0 +1,324 @@ | |||
1 | /* orinoco_nortel.c | ||
2 | * | ||
3 | * Driver for Prism II devices which would usually be driven by orinoco_cs, | ||
4 | * but are connected to the PCI bus by a PCI-to-PCMCIA adapter used in | ||
5 | * Nortel emobility, Symbol LA-4113 and Symbol LA-4123. | ||
6 | * | ||
7 | * Copyright (C) 2002 Tobias Hoffmann | ||
8 | * (C) 2003 Christoph Jungegger <disdos@traum404.de> | ||
9 | * | ||
10 | * Some of this code is borrowed from orinoco_plx.c | ||
11 | * Copyright (C) 2001 Daniel Barlow | ||
12 | * Some of this code is borrowed from orinoco_pci.c | ||
13 | * Copyright (C) 2001 Jean Tourrilhes | ||
14 | * Some of this code is "inspired" by linux-wlan-ng-0.1.10, but nothing | ||
15 | * has been copied from it. linux-wlan-ng-0.1.10 is originally : | ||
16 | * Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. | ||
17 | * | ||
18 | * The contents of this file are subject to the Mozilla Public License | ||
19 | * Version 1.1 (the "License"); you may not use this file except in | ||
20 | * compliance with the License. You may obtain a copy of the License | ||
21 | * at http://www.mozilla.org/MPL/ | ||
22 | * | ||
23 | * Software distributed under the License is distributed on an "AS IS" | ||
24 | * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See | ||
25 | * the License for the specific language governing rights and | ||
26 | * limitations under the License. | ||
27 | * | ||
28 | * Alternatively, the contents of this file may be used under the | ||
29 | * terms of the GNU General Public License version 2 (the "GPL"), in | ||
30 | * which case the provisions of the GPL are applicable instead of the | ||
31 | * above. If you wish to allow the use of your version of this file | ||
32 | * only under the terms of the GPL and not to allow others to use your | ||
33 | * version of this file under the MPL, indicate your decision by | ||
34 | * deleting the provisions above and replace them with the notice and | ||
35 | * other provisions required by the GPL. If you do not delete the | ||
36 | * provisions above, a recipient may use your version of this file | ||
37 | * under either the MPL or the GPL. | ||
38 | */ | ||
39 | |||
40 | #define DRIVER_NAME "orinoco_nortel" | ||
41 | #define PFX DRIVER_NAME ": " | ||
42 | |||
43 | #include <linux/module.h> | ||
44 | #include <linux/kernel.h> | ||
45 | #include <linux/init.h> | ||
46 | #include <linux/delay.h> | ||
47 | #include <linux/pci.h> | ||
48 | #include <pcmcia/cisreg.h> | ||
49 | |||
50 | #include "orinoco.h" | ||
51 | #include "orinoco_pci.h" | ||
52 | |||
53 | #define COR_OFFSET (0xe0) /* COR attribute offset of Prism2 PC card */ | ||
54 | #define COR_VALUE (COR_LEVEL_REQ | COR_FUNC_ENA) /* Enable PC card with interrupt in level trigger */ | ||
55 | |||
56 | |||
57 | /* | ||
58 | * Do a soft reset of the card using the Configuration Option Register | ||
59 | * We need this to get going... | ||
60 | * This is the part of the code that is strongly inspired from wlan-ng | ||
61 | * | ||
62 | * Note bis : Don't try to access HERMES_CMD during the reset phase. | ||
63 | * It just won't work ! | ||
64 | */ | ||
65 | static int orinoco_nortel_cor_reset(struct orinoco_private *priv) | ||
66 | { | ||
67 | struct orinoco_pci_card *card = priv->card; | ||
68 | |||
69 | /* Assert the reset until the card notices */ | ||
70 | iowrite16(8, card->bridge_io + 2); | ||
71 | ioread16(card->attr_io + COR_OFFSET); | ||
72 | iowrite16(0x80, card->attr_io + COR_OFFSET); | ||
73 | mdelay(1); | ||
74 | |||
75 | /* Give time for the card to recover from this hard effort */ | ||
76 | iowrite16(0, card->attr_io + COR_OFFSET); | ||
77 | iowrite16(0, card->attr_io + COR_OFFSET); | ||
78 | mdelay(1); | ||
79 | |||
80 | /* Set COR as usual */ | ||
81 | iowrite16(COR_VALUE, card->attr_io + COR_OFFSET); | ||
82 | iowrite16(COR_VALUE, card->attr_io + COR_OFFSET); | ||
83 | mdelay(1); | ||
84 | |||
85 | iowrite16(0x228, card->bridge_io + 2); | ||
86 | |||
87 | return 0; | ||
88 | } | ||
89 | |||
90 | static int orinoco_nortel_hw_init(struct orinoco_pci_card *card) | ||
91 | { | ||
92 | int i; | ||
93 | u32 reg; | ||
94 | |||
95 | /* Setup bridge */ | ||
96 | if (ioread16(card->bridge_io) & 1) { | ||
97 | printk(KERN_ERR PFX "brg1 answer1 wrong\n"); | ||
98 | return -EBUSY; | ||
99 | } | ||
100 | iowrite16(0x118, card->bridge_io + 2); | ||
101 | iowrite16(0x108, card->bridge_io + 2); | ||
102 | mdelay(30); | ||
103 | iowrite16(0x8, card->bridge_io + 2); | ||
104 | for (i = 0; i < 30; i++) { | ||
105 | mdelay(30); | ||
106 | if (ioread16(card->bridge_io) & 0x10) { | ||
107 | break; | ||
108 | } | ||
109 | } | ||
110 | if (i == 30) { | ||
111 | printk(KERN_ERR PFX "brg1 timed out\n"); | ||
112 | return -EBUSY; | ||
113 | } | ||
114 | if (ioread16(card->attr_io + COR_OFFSET) & 1) { | ||
115 | printk(KERN_ERR PFX "brg2 answer1 wrong\n"); | ||
116 | return -EBUSY; | ||
117 | } | ||
118 | if (ioread16(card->attr_io + COR_OFFSET + 2) & 1) { | ||
119 | printk(KERN_ERR PFX "brg2 answer2 wrong\n"); | ||
120 | return -EBUSY; | ||
121 | } | ||
122 | if (ioread16(card->attr_io + COR_OFFSET + 4) & 1) { | ||
123 | printk(KERN_ERR PFX "brg2 answer3 wrong\n"); | ||
124 | return -EBUSY; | ||
125 | } | ||
126 | |||
127 | /* Set the PCMCIA COR register */ | ||
128 | iowrite16(COR_VALUE, card->attr_io + COR_OFFSET); | ||
129 | mdelay(1); | ||
130 | reg = ioread16(card->attr_io + COR_OFFSET); | ||
131 | if (reg != COR_VALUE) { | ||
132 | printk(KERN_ERR PFX "Error setting COR value (reg=%x)\n", | ||
133 | reg); | ||
134 | return -EBUSY; | ||
135 | } | ||
136 | |||
137 | /* Set LEDs */ | ||
138 | iowrite16(1, card->bridge_io + 10); | ||
139 | return 0; | ||
140 | } | ||
141 | |||
142 | static int orinoco_nortel_init_one(struct pci_dev *pdev, | ||
143 | const struct pci_device_id *ent) | ||
144 | { | ||
145 | int err; | ||
146 | struct orinoco_private *priv; | ||
147 | struct orinoco_pci_card *card; | ||
148 | struct net_device *dev; | ||
149 | void __iomem *hermes_io, *bridge_io, *attr_io; | ||
150 | |||
151 | err = pci_enable_device(pdev); | ||
152 | if (err) { | ||
153 | printk(KERN_ERR PFX "Cannot enable PCI device\n"); | ||
154 | return err; | ||
155 | } | ||
156 | |||
157 | err = pci_request_regions(pdev, DRIVER_NAME); | ||
158 | if (err) { | ||
159 | printk(KERN_ERR PFX "Cannot obtain PCI resources\n"); | ||
160 | goto fail_resources; | ||
161 | } | ||
162 | |||
163 | bridge_io = pci_iomap(pdev, 0, 0); | ||
164 | if (!bridge_io) { | ||
165 | printk(KERN_ERR PFX "Cannot map bridge registers\n"); | ||
166 | err = -EIO; | ||
167 | goto fail_map_bridge; | ||
168 | } | ||
169 | |||
170 | attr_io = pci_iomap(pdev, 1, 0); | ||
171 | if (!attr_io) { | ||
172 | printk(KERN_ERR PFX "Cannot map PCMCIA attributes\n"); | ||
173 | err = -EIO; | ||
174 | goto fail_map_attr; | ||
175 | } | ||
176 | |||
177 | hermes_io = pci_iomap(pdev, 2, 0); | ||
178 | if (!hermes_io) { | ||
179 | printk(KERN_ERR PFX "Cannot map chipset registers\n"); | ||
180 | err = -EIO; | ||
181 | goto fail_map_hermes; | ||
182 | } | ||
183 | |||
184 | /* Allocate network device */ | ||
185 | dev = alloc_orinocodev(sizeof(*card), &pdev->dev, | ||
186 | orinoco_nortel_cor_reset, NULL); | ||
187 | if (!dev) { | ||
188 | printk(KERN_ERR PFX "Cannot allocate network device\n"); | ||
189 | err = -ENOMEM; | ||
190 | goto fail_alloc; | ||
191 | } | ||
192 | |||
193 | priv = netdev_priv(dev); | ||
194 | card = priv->card; | ||
195 | card->bridge_io = bridge_io; | ||
196 | card->attr_io = attr_io; | ||
197 | SET_NETDEV_DEV(dev, &pdev->dev); | ||
198 | |||
199 | hermes_struct_init(&priv->hw, hermes_io, HERMES_16BIT_REGSPACING); | ||
200 | |||
201 | err = request_irq(pdev->irq, orinoco_interrupt, IRQF_SHARED, | ||
202 | dev->name, dev); | ||
203 | if (err) { | ||
204 | printk(KERN_ERR PFX "Cannot allocate IRQ %d\n", pdev->irq); | ||
205 | err = -EBUSY; | ||
206 | goto fail_irq; | ||
207 | } | ||
208 | |||
209 | err = orinoco_nortel_hw_init(card); | ||
210 | if (err) { | ||
211 | printk(KERN_ERR PFX "Hardware initialization failed\n"); | ||
212 | goto fail; | ||
213 | } | ||
214 | |||
215 | err = orinoco_nortel_cor_reset(priv); | ||
216 | if (err) { | ||
217 | printk(KERN_ERR PFX "Initial reset failed\n"); | ||
218 | goto fail; | ||
219 | } | ||
220 | |||
221 | err = register_netdev(dev); | ||
222 | if (err) { | ||
223 | printk(KERN_ERR PFX "Cannot register network device\n"); | ||
224 | goto fail; | ||
225 | } | ||
226 | |||
227 | pci_set_drvdata(pdev, dev); | ||
228 | printk(KERN_DEBUG "%s: " DRIVER_NAME " at %s\n", dev->name, | ||
229 | pci_name(pdev)); | ||
230 | |||
231 | return 0; | ||
232 | |||
233 | fail: | ||
234 | free_irq(pdev->irq, dev); | ||
235 | |||
236 | fail_irq: | ||
237 | pci_set_drvdata(pdev, NULL); | ||
238 | free_orinocodev(dev); | ||
239 | |||
240 | fail_alloc: | ||
241 | pci_iounmap(pdev, hermes_io); | ||
242 | |||
243 | fail_map_hermes: | ||
244 | pci_iounmap(pdev, attr_io); | ||
245 | |||
246 | fail_map_attr: | ||
247 | pci_iounmap(pdev, bridge_io); | ||
248 | |||
249 | fail_map_bridge: | ||
250 | pci_release_regions(pdev); | ||
251 | |||
252 | fail_resources: | ||
253 | pci_disable_device(pdev); | ||
254 | |||
255 | return err; | ||
256 | } | ||
257 | |||
258 | static void __devexit orinoco_nortel_remove_one(struct pci_dev *pdev) | ||
259 | { | ||
260 | struct net_device *dev = pci_get_drvdata(pdev); | ||
261 | struct orinoco_private *priv = netdev_priv(dev); | ||
262 | struct orinoco_pci_card *card = priv->card; | ||
263 | |||
264 | /* Clear LEDs */ | ||
265 | iowrite16(0, card->bridge_io + 10); | ||
266 | |||
267 | unregister_netdev(dev); | ||
268 | free_irq(pdev->irq, dev); | ||
269 | pci_set_drvdata(pdev, NULL); | ||
270 | free_orinocodev(dev); | ||
271 | pci_iounmap(pdev, priv->hw.iobase); | ||
272 | pci_iounmap(pdev, card->attr_io); | ||
273 | pci_iounmap(pdev, card->bridge_io); | ||
274 | pci_release_regions(pdev); | ||
275 | pci_disable_device(pdev); | ||
276 | } | ||
277 | |||
278 | static struct pci_device_id orinoco_nortel_id_table[] = { | ||
279 | /* Nortel emobility PCI */ | ||
280 | {0x126c, 0x8030, PCI_ANY_ID, PCI_ANY_ID,}, | ||
281 | /* Symbol LA-4123 PCI */ | ||
282 | {0x1562, 0x0001, PCI_ANY_ID, PCI_ANY_ID,}, | ||
283 | {0,}, | ||
284 | }; | ||
285 | |||
286 | MODULE_DEVICE_TABLE(pci, orinoco_nortel_id_table); | ||
287 | |||
288 | static struct pci_driver orinoco_nortel_driver = { | ||
289 | .name = DRIVER_NAME, | ||
290 | .id_table = orinoco_nortel_id_table, | ||
291 | .probe = orinoco_nortel_init_one, | ||
292 | .remove = __devexit_p(orinoco_nortel_remove_one), | ||
293 | .suspend = orinoco_pci_suspend, | ||
294 | .resume = orinoco_pci_resume, | ||
295 | }; | ||
296 | |||
297 | static char version[] __initdata = DRIVER_NAME " " DRIVER_VERSION | ||
298 | " (Tobias Hoffmann & Christoph Jungegger <disdos@traum404.de>)"; | ||
299 | MODULE_AUTHOR("Christoph Jungegger <disdos@traum404.de>"); | ||
300 | MODULE_DESCRIPTION | ||
301 | ("Driver for wireless LAN cards using the Nortel PCI bridge"); | ||
302 | MODULE_LICENSE("Dual MPL/GPL"); | ||
303 | |||
304 | static int __init orinoco_nortel_init(void) | ||
305 | { | ||
306 | printk(KERN_DEBUG "%s\n", version); | ||
307 | return pci_register_driver(&orinoco_nortel_driver); | ||
308 | } | ||
309 | |||
310 | static void __exit orinoco_nortel_exit(void) | ||
311 | { | ||
312 | pci_unregister_driver(&orinoco_nortel_driver); | ||
313 | } | ||
314 | |||
315 | module_init(orinoco_nortel_init); | ||
316 | module_exit(orinoco_nortel_exit); | ||
317 | |||
318 | /* | ||
319 | * Local variables: | ||
320 | * c-indent-level: 8 | ||
321 | * c-basic-offset: 8 | ||
322 | * tab-width: 8 | ||
323 | * End: | ||
324 | */ | ||