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path: root/drivers/net/wireless/ath/ath6kl/usb.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath6kl/usb.c')
-rw-r--r--drivers/net/wireless/ath/ath6kl/usb.c431
1 files changed, 0 insertions, 431 deletions
diff --git a/drivers/net/wireless/ath/ath6kl/usb.c b/drivers/net/wireless/ath/ath6kl/usb.c
deleted file mode 100644
index e3cf397fcaf..00000000000
--- a/drivers/net/wireless/ath/ath6kl/usb.c
+++ /dev/null
@@ -1,431 +0,0 @@
1/*
2 * Copyright (c) 2007-2011 Atheros Communications Inc.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17#include <linux/module.h>
18#include <linux/usb.h>
19
20#include "debug.h"
21#include "core.h"
22
23/* usb device object */
24struct ath6kl_usb {
25 struct usb_device *udev;
26 struct usb_interface *interface;
27 u8 *diag_cmd_buffer;
28 u8 *diag_resp_buffer;
29 struct ath6kl *ar;
30};
31
32/* diagnostic command defnitions */
33#define ATH6KL_USB_CONTROL_REQ_SEND_BMI_CMD 1
34#define ATH6KL_USB_CONTROL_REQ_RECV_BMI_RESP 2
35#define ATH6KL_USB_CONTROL_REQ_DIAG_CMD 3
36#define ATH6KL_USB_CONTROL_REQ_DIAG_RESP 4
37
38#define ATH6KL_USB_CTRL_DIAG_CC_READ 0
39#define ATH6KL_USB_CTRL_DIAG_CC_WRITE 1
40
41struct ath6kl_usb_ctrl_diag_cmd_write {
42 __le32 cmd;
43 __le32 address;
44 __le32 value;
45 __le32 _pad[1];
46} __packed;
47
48struct ath6kl_usb_ctrl_diag_cmd_read {
49 __le32 cmd;
50 __le32 address;
51} __packed;
52
53struct ath6kl_usb_ctrl_diag_resp_read {
54 __le32 value;
55} __packed;
56
57#define ATH6KL_USB_MAX_DIAG_CMD (sizeof(struct ath6kl_usb_ctrl_diag_cmd_write))
58#define ATH6KL_USB_MAX_DIAG_RESP (sizeof(struct ath6kl_usb_ctrl_diag_resp_read))
59
60static void ath6kl_usb_destroy(struct ath6kl_usb *ar_usb)
61{
62 usb_set_intfdata(ar_usb->interface, NULL);
63
64 kfree(ar_usb->diag_cmd_buffer);
65 kfree(ar_usb->diag_resp_buffer);
66
67 kfree(ar_usb);
68}
69
70static struct ath6kl_usb *ath6kl_usb_create(struct usb_interface *interface)
71{
72 struct ath6kl_usb *ar_usb = NULL;
73 struct usb_device *dev = interface_to_usbdev(interface);
74 int status = 0;
75
76 ar_usb = kzalloc(sizeof(struct ath6kl_usb), GFP_KERNEL);
77 if (ar_usb == NULL)
78 goto fail_ath6kl_usb_create;
79
80 memset(ar_usb, 0, sizeof(struct ath6kl_usb));
81 usb_set_intfdata(interface, ar_usb);
82 ar_usb->udev = dev;
83 ar_usb->interface = interface;
84
85 ar_usb->diag_cmd_buffer = kzalloc(ATH6KL_USB_MAX_DIAG_CMD, GFP_KERNEL);
86 if (ar_usb->diag_cmd_buffer == NULL) {
87 status = -ENOMEM;
88 goto fail_ath6kl_usb_create;
89 }
90
91 ar_usb->diag_resp_buffer = kzalloc(ATH6KL_USB_MAX_DIAG_RESP,
92 GFP_KERNEL);
93 if (ar_usb->diag_resp_buffer == NULL) {
94 status = -ENOMEM;
95 goto fail_ath6kl_usb_create;
96 }
97
98fail_ath6kl_usb_create:
99 if (status != 0) {
100 ath6kl_usb_destroy(ar_usb);
101 ar_usb = NULL;
102 }
103 return ar_usb;
104}
105
106static void ath6kl_usb_device_detached(struct usb_interface *interface)
107{
108 struct ath6kl_usb *ar_usb;
109
110 ar_usb = usb_get_intfdata(interface);
111 if (ar_usb == NULL)
112 return;
113
114 ath6kl_stop_txrx(ar_usb->ar);
115
116 ath6kl_core_cleanup(ar_usb->ar);
117
118 ath6kl_usb_destroy(ar_usb);
119}
120
121static int ath6kl_usb_submit_ctrl_out(struct ath6kl_usb *ar_usb,
122 u8 req, u16 value, u16 index, void *data,
123 u32 size)
124{
125 u8 *buf = NULL;
126 int ret;
127
128 if (size > 0) {
129 buf = kmalloc(size, GFP_KERNEL);
130 if (buf == NULL)
131 return -ENOMEM;
132
133 memcpy(buf, data, size);
134 }
135
136 /* note: if successful returns number of bytes transfered */
137 ret = usb_control_msg(ar_usb->udev,
138 usb_sndctrlpipe(ar_usb->udev, 0),
139 req,
140 USB_DIR_OUT | USB_TYPE_VENDOR |
141 USB_RECIP_DEVICE, value, index, buf,
142 size, 1000);
143
144 if (ret < 0) {
145 ath6kl_dbg(ATH6KL_DBG_USB, "%s failed,result = %d\n",
146 __func__, ret);
147 }
148
149 kfree(buf);
150
151 return 0;
152}
153
154static int ath6kl_usb_submit_ctrl_in(struct ath6kl_usb *ar_usb,
155 u8 req, u16 value, u16 index, void *data,
156 u32 size)
157{
158 u8 *buf = NULL;
159 int ret;
160
161 if (size > 0) {
162 buf = kmalloc(size, GFP_KERNEL);
163 if (buf == NULL)
164 return -ENOMEM;
165 }
166
167 /* note: if successful returns number of bytes transfered */
168 ret = usb_control_msg(ar_usb->udev,
169 usb_rcvctrlpipe(ar_usb->udev, 0),
170 req,
171 USB_DIR_IN | USB_TYPE_VENDOR |
172 USB_RECIP_DEVICE, value, index, buf,
173 size, 2 * HZ);
174
175 if (ret < 0) {
176 ath6kl_dbg(ATH6KL_DBG_USB, "%s failed,result = %d\n",
177 __func__, ret);
178 }
179
180 memcpy((u8 *) data, buf, size);
181
182 kfree(buf);
183
184 return 0;
185}
186
187static int ath6kl_usb_ctrl_msg_exchange(struct ath6kl_usb *ar_usb,
188 u8 req_val, u8 *req_buf, u32 req_len,
189 u8 resp_val, u8 *resp_buf, u32 *resp_len)
190{
191 int ret;
192
193 /* send command */
194 ret = ath6kl_usb_submit_ctrl_out(ar_usb, req_val, 0, 0,
195 req_buf, req_len);
196
197 if (ret != 0)
198 return ret;
199
200 if (resp_buf == NULL) {
201 /* no expected response */
202 return ret;
203 }
204
205 /* get response */
206 ret = ath6kl_usb_submit_ctrl_in(ar_usb, resp_val, 0, 0,
207 resp_buf, *resp_len);
208
209 return ret;
210}
211
212static int ath6kl_usb_diag_read32(struct ath6kl *ar, u32 address, u32 *data)
213{
214 struct ath6kl_usb *ar_usb = ar->hif_priv;
215 struct ath6kl_usb_ctrl_diag_resp_read *resp;
216 struct ath6kl_usb_ctrl_diag_cmd_read *cmd;
217 u32 resp_len;
218 int ret;
219
220 cmd = (struct ath6kl_usb_ctrl_diag_cmd_read *) ar_usb->diag_cmd_buffer;
221
222 memset(cmd, 0, sizeof(*cmd));
223 cmd->cmd = ATH6KL_USB_CTRL_DIAG_CC_READ;
224 cmd->address = cpu_to_le32(address);
225 resp_len = sizeof(*resp);
226
227 ret = ath6kl_usb_ctrl_msg_exchange(ar_usb,
228 ATH6KL_USB_CONTROL_REQ_DIAG_CMD,
229 (u8 *) cmd,
230 sizeof(struct ath6kl_usb_ctrl_diag_cmd_write),
231 ATH6KL_USB_CONTROL_REQ_DIAG_RESP,
232 ar_usb->diag_resp_buffer, &resp_len);
233
234 if (ret)
235 return ret;
236
237 resp = (struct ath6kl_usb_ctrl_diag_resp_read *)
238 ar_usb->diag_resp_buffer;
239
240 *data = le32_to_cpu(resp->value);
241
242 return ret;
243}
244
245static int ath6kl_usb_diag_write32(struct ath6kl *ar, u32 address, __le32 data)
246{
247 struct ath6kl_usb *ar_usb = ar->hif_priv;
248 struct ath6kl_usb_ctrl_diag_cmd_write *cmd;
249
250 cmd = (struct ath6kl_usb_ctrl_diag_cmd_write *) ar_usb->diag_cmd_buffer;
251
252 memset(cmd, 0, sizeof(struct ath6kl_usb_ctrl_diag_cmd_write));
253 cmd->cmd = cpu_to_le32(ATH6KL_USB_CTRL_DIAG_CC_WRITE);
254 cmd->address = cpu_to_le32(address);
255 cmd->value = data;
256
257 return ath6kl_usb_ctrl_msg_exchange(ar_usb,
258 ATH6KL_USB_CONTROL_REQ_DIAG_CMD,
259 (u8 *) cmd,
260 sizeof(*cmd),
261 0, NULL, NULL);
262
263}
264
265static int ath6kl_usb_bmi_read(struct ath6kl *ar, u8 *buf, u32 len)
266{
267 struct ath6kl_usb *ar_usb = ar->hif_priv;
268 int ret;
269
270 /* get response */
271 ret = ath6kl_usb_submit_ctrl_in(ar_usb,
272 ATH6KL_USB_CONTROL_REQ_RECV_BMI_RESP,
273 0, 0, buf, len);
274 if (ret != 0) {
275 ath6kl_err("Unable to read the bmi data from the device: %d\n",
276 ret);
277 return ret;
278 }
279
280 return 0;
281}
282
283static int ath6kl_usb_bmi_write(struct ath6kl *ar, u8 *buf, u32 len)
284{
285 struct ath6kl_usb *ar_usb = ar->hif_priv;
286 int ret;
287
288 /* send command */
289 ret = ath6kl_usb_submit_ctrl_out(ar_usb,
290 ATH6KL_USB_CONTROL_REQ_SEND_BMI_CMD,
291 0, 0, buf, len);
292 if (ret != 0) {
293 ath6kl_err("unable to send the bmi data to the device: %d\n",
294 ret);
295 return ret;
296 }
297
298 return 0;
299}
300
301static int ath6kl_usb_power_on(struct ath6kl *ar)
302{
303 return 0;
304}
305
306static int ath6kl_usb_power_off(struct ath6kl *ar)
307{
308 return 0;
309}
310
311static const struct ath6kl_hif_ops ath6kl_usb_ops = {
312 .diag_read32 = ath6kl_usb_diag_read32,
313 .diag_write32 = ath6kl_usb_diag_write32,
314 .bmi_read = ath6kl_usb_bmi_read,
315 .bmi_write = ath6kl_usb_bmi_write,
316 .power_on = ath6kl_usb_power_on,
317 .power_off = ath6kl_usb_power_off,
318};
319
320/* ath6kl usb driver registered functions */
321static int ath6kl_usb_probe(struct usb_interface *interface,
322 const struct usb_device_id *id)
323{
324 struct usb_device *dev = interface_to_usbdev(interface);
325 struct ath6kl *ar;
326 struct ath6kl_usb *ar_usb = NULL;
327 int vendor_id, product_id;
328 int ret = 0;
329
330 usb_get_dev(dev);
331
332 vendor_id = le16_to_cpu(dev->descriptor.idVendor);
333 product_id = le16_to_cpu(dev->descriptor.idProduct);
334
335 ath6kl_dbg(ATH6KL_DBG_USB, "vendor_id = %04x\n", vendor_id);
336 ath6kl_dbg(ATH6KL_DBG_USB, "product_id = %04x\n", product_id);
337
338 if (interface->cur_altsetting)
339 ath6kl_dbg(ATH6KL_DBG_USB, "USB Interface %d\n",
340 interface->cur_altsetting->desc.bInterfaceNumber);
341
342
343 if (dev->speed == USB_SPEED_HIGH)
344 ath6kl_dbg(ATH6KL_DBG_USB, "USB 2.0 Host\n");
345 else
346 ath6kl_dbg(ATH6KL_DBG_USB, "USB 1.1 Host\n");
347
348 ar_usb = ath6kl_usb_create(interface);
349
350 if (ar_usb == NULL) {
351 ret = -ENOMEM;
352 goto err_usb_put;
353 }
354
355 ar = ath6kl_core_alloc(&ar_usb->udev->dev);
356 if (ar == NULL) {
357 ath6kl_err("Failed to alloc ath6kl core\n");
358 ret = -ENOMEM;
359 goto err_usb_destroy;
360 }
361
362 ar->hif_priv = ar_usb;
363 ar->hif_type = ATH6KL_HIF_TYPE_USB;
364 ar->hif_ops = &ath6kl_usb_ops;
365 ar->mbox_info.block_size = 16;
366 ar->bmi.max_data_size = 252;
367
368 ar_usb->ar = ar;
369
370 ret = ath6kl_core_init(ar);
371 if (ret) {
372 ath6kl_err("Failed to init ath6kl core: %d\n", ret);
373 goto err_core_free;
374 }
375
376 return ret;
377
378err_core_free:
379 ath6kl_core_free(ar);
380err_usb_destroy:
381 ath6kl_usb_destroy(ar_usb);
382err_usb_put:
383 usb_put_dev(dev);
384
385 return ret;
386}
387
388static void ath6kl_usb_remove(struct usb_interface *interface)
389{
390 usb_put_dev(interface_to_usbdev(interface));
391 ath6kl_usb_device_detached(interface);
392}
393
394/* table of devices that work with this driver */
395static struct usb_device_id ath6kl_usb_ids[] = {
396 {USB_DEVICE(0x0cf3, 0x9374)},
397 { /* Terminating entry */ },
398};
399
400MODULE_DEVICE_TABLE(usb, ath6kl_usb_ids);
401
402static struct usb_driver ath6kl_usb_driver = {
403 .name = "ath6kl_usb",
404 .probe = ath6kl_usb_probe,
405 .disconnect = ath6kl_usb_remove,
406 .id_table = ath6kl_usb_ids,
407};
408
409static int ath6kl_usb_init(void)
410{
411 usb_register(&ath6kl_usb_driver);
412 return 0;
413}
414
415static void ath6kl_usb_exit(void)
416{
417 usb_deregister(&ath6kl_usb_driver);
418}
419
420module_init(ath6kl_usb_init);
421module_exit(ath6kl_usb_exit);
422
423MODULE_AUTHOR("Atheros Communications, Inc.");
424MODULE_DESCRIPTION("Driver support for Atheros AR600x USB devices");
425MODULE_LICENSE("Dual BSD/GPL");
426MODULE_FIRMWARE(AR6004_HW_1_0_FIRMWARE_FILE);
427MODULE_FIRMWARE(AR6004_HW_1_0_BOARD_DATA_FILE);
428MODULE_FIRMWARE(AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE);
429MODULE_FIRMWARE(AR6004_HW_1_1_FIRMWARE_FILE);
430MODULE_FIRMWARE(AR6004_HW_1_1_BOARD_DATA_FILE);
431MODULE_FIRMWARE(AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE);
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-16 10:15:18 -0400