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15#include <linux/kernel.h>
16#include <linux/module.h>
17#include <linux/device.h>
18
19#include "u_serial.h"
20#include "u_ether.h"
21#include "u_phonet.h"
22#include "u_ecm.h"
23#include "f_mass_storage.h"
24
25
26
27#define NOKIA_VERSION_NUM 0x0211
28#define NOKIA_LONG_NAME "N900 (PC-Suite Mode)"
29
30USB_GADGET_COMPOSITE_OPTIONS();
31
32USB_ETHERNET_MODULE_PARAMETERS();
33
34static struct fsg_module_parameters fsg_mod_data = {
35 .stall = 0,
36 .luns = 2,
37 .removable_count = 2,
38 .removable = { 1, 1, },
39};
40
41#ifdef CONFIG_USB_GADGET_DEBUG_FILES
42
43static unsigned int fsg_num_buffers = CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS;
44
45#else
46
47
48
49
50
51#define fsg_num_buffers CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS
52
53#endif
54
55FSG_MODULE_PARAMETERS(, fsg_mod_data);
56
57#define NOKIA_VENDOR_ID 0x0421
58#define NOKIA_PRODUCT_ID 0x01c8
59
60
61
62#define STRING_DESCRIPTION_IDX USB_GADGET_FIRST_AVAIL_IDX
63
64static char manufacturer_nokia[] = "Nokia";
65static const char product_nokia[] = NOKIA_LONG_NAME;
66static const char description_nokia[] = "PC-Suite Configuration";
67
68static struct usb_string strings_dev[] = {
69 [USB_GADGET_MANUFACTURER_IDX].s = manufacturer_nokia,
70 [USB_GADGET_PRODUCT_IDX].s = NOKIA_LONG_NAME,
71 [USB_GADGET_SERIAL_IDX].s = "",
72 [STRING_DESCRIPTION_IDX].s = description_nokia,
73 { }
74};
75
76static struct usb_gadget_strings stringtab_dev = {
77 .language = 0x0409,
78 .strings = strings_dev,
79};
80
81static struct usb_gadget_strings *dev_strings[] = {
82 &stringtab_dev,
83 NULL,
84};
85
86static struct usb_device_descriptor device_desc = {
87 .bLength = USB_DT_DEVICE_SIZE,
88 .bDescriptorType = USB_DT_DEVICE,
89
90 .bDeviceClass = USB_CLASS_COMM,
91 .idVendor = cpu_to_le16(NOKIA_VENDOR_ID),
92 .idProduct = cpu_to_le16(NOKIA_PRODUCT_ID),
93 .bcdDevice = cpu_to_le16(NOKIA_VERSION_NUM),
94
95
96 .bNumConfigurations = 1,
97};
98
99
100
101
102MODULE_DESCRIPTION("Nokia composite gadget driver for N900");
103MODULE_AUTHOR("Felipe Balbi");
104MODULE_LICENSE("GPL");
105
106
107static struct usb_function *f_acm_cfg1;
108static struct usb_function *f_acm_cfg2;
109static struct usb_function *f_ecm_cfg1;
110static struct usb_function *f_ecm_cfg2;
111static struct usb_function *f_obex1_cfg1;
112static struct usb_function *f_obex2_cfg1;
113static struct usb_function *f_obex1_cfg2;
114static struct usb_function *f_obex2_cfg2;
115static struct usb_function *f_phonet_cfg1;
116static struct usb_function *f_phonet_cfg2;
117static struct usb_function *f_msg_cfg1;
118static struct usb_function *f_msg_cfg2;
119
120
121static struct usb_configuration nokia_config_500ma_driver = {
122 .label = "Bus Powered",
123 .bConfigurationValue = 1,
124
125 .bmAttributes = USB_CONFIG_ATT_ONE,
126 .MaxPower = 500,
127};
128
129static struct usb_configuration nokia_config_100ma_driver = {
130 .label = "Self Powered",
131 .bConfigurationValue = 2,
132
133 .bmAttributes = USB_CONFIG_ATT_ONE | USB_CONFIG_ATT_SELFPOWER,
134 .MaxPower = 100,
135};
136
137static struct usb_function_instance *fi_acm;
138static struct usb_function_instance *fi_ecm;
139static struct usb_function_instance *fi_obex1;
140static struct usb_function_instance *fi_obex2;
141static struct usb_function_instance *fi_phonet;
142static struct usb_function_instance *fi_msg;
143
144static int nokia_bind_config(struct usb_configuration *c)
145{
146 struct usb_function *f_acm;
147 struct usb_function *f_phonet = NULL;
148 struct usb_function *f_obex1 = NULL;
149 struct usb_function *f_ecm;
150 struct usb_function *f_obex2 = NULL;
151 struct usb_function *f_msg;
152 int status = 0;
153 int obex1_stat = -1;
154 int obex2_stat = -1;
155 int phonet_stat = -1;
156
157 if (!IS_ERR(fi_phonet)) {
158 f_phonet = usb_get_function(fi_phonet);
159 if (IS_ERR(f_phonet))
160 pr_debug("could not get phonet function\n");
161 }
162
163 if (!IS_ERR(fi_obex1)) {
164 f_obex1 = usb_get_function(fi_obex1);
165 if (IS_ERR(f_obex1))
166 pr_debug("could not get obex function 0\n");
167 }
168
169 if (!IS_ERR(fi_obex2)) {
170 f_obex2 = usb_get_function(fi_obex2);
171 if (IS_ERR(f_obex2))
172 pr_debug("could not get obex function 1\n");
173 }
174
175 f_acm = usb_get_function(fi_acm);
176 if (IS_ERR(f_acm)) {
177 status = PTR_ERR(f_acm);
178 goto err_get_acm;
179 }
180
181 f_ecm = usb_get_function(fi_ecm);
182 if (IS_ERR(f_ecm)) {
183 status = PTR_ERR(f_ecm);
184 goto err_get_ecm;
185 }
186
187 f_msg = usb_get_function(fi_msg);
188 if (IS_ERR(f_msg)) {
189 status = PTR_ERR(f_msg);
190 goto err_get_msg;
191 }
192
193 if (!IS_ERR_OR_NULL(f_phonet)) {
194 phonet_stat = usb_add_function(c, f_phonet);
195 if (phonet_stat)
196 pr_debug("could not add phonet function\n");
197 }
198
199 if (!IS_ERR_OR_NULL(f_obex1)) {
200 obex1_stat = usb_add_function(c, f_obex1);
201 if (obex1_stat)
202 pr_debug("could not add obex function 0\n");
203 }
204
205 if (!IS_ERR_OR_NULL(f_obex2)) {
206 obex2_stat = usb_add_function(c, f_obex2);
207 if (obex2_stat)
208 pr_debug("could not add obex function 1\n");
209 }
210
211 status = usb_add_function(c, f_acm);
212 if (status)
213 goto err_conf;
214
215 status = usb_add_function(c, f_ecm);
216 if (status) {
217 pr_debug("could not bind ecm config %d\n", status);
218 goto err_ecm;
219 }
220
221 status = usb_add_function(c, f_msg);
222 if (status)
223 goto err_msg;
224
225 if (c == &nokia_config_500ma_driver) {
226 f_acm_cfg1 = f_acm;
227 f_ecm_cfg1 = f_ecm;
228 f_phonet_cfg1 = f_phonet;
229 f_obex1_cfg1 = f_obex1;
230 f_obex2_cfg1 = f_obex2;
231 f_msg_cfg1 = f_msg;
232 } else {
233 f_acm_cfg2 = f_acm;
234 f_ecm_cfg2 = f_ecm;
235 f_phonet_cfg2 = f_phonet;
236 f_obex1_cfg2 = f_obex1;
237 f_obex2_cfg2 = f_obex2;
238 f_msg_cfg2 = f_msg;
239 }
240
241 return status;
242err_msg:
243 usb_remove_function(c, f_ecm);
244err_ecm:
245 usb_remove_function(c, f_acm);
246err_conf:
247 if (!obex2_stat)
248 usb_remove_function(c, f_obex2);
249 if (!obex1_stat)
250 usb_remove_function(c, f_obex1);
251 if (!phonet_stat)
252 usb_remove_function(c, f_phonet);
253 usb_put_function(f_msg);
254err_get_msg:
255 usb_put_function(f_ecm);
256err_get_ecm:
257 usb_put_function(f_acm);
258err_get_acm:
259 if (!IS_ERR_OR_NULL(f_obex2))
260 usb_put_function(f_obex2);
261 if (!IS_ERR_OR_NULL(f_obex1))
262 usb_put_function(f_obex1);
263 if (!IS_ERR_OR_NULL(f_phonet))
264 usb_put_function(f_phonet);
265 return status;
266}
267
268static int nokia_bind(struct usb_composite_dev *cdev)
269{
270 struct usb_gadget *gadget = cdev->gadget;
271 struct fsg_opts *fsg_opts;
272 struct fsg_config fsg_config;
273 int status;
274
275 status = usb_string_ids_tab(cdev, strings_dev);
276 if (status < 0)
277 goto err_usb;
278 device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id;
279 device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id;
280 status = strings_dev[STRING_DESCRIPTION_IDX].id;
281 nokia_config_500ma_driver.iConfiguration = status;
282 nokia_config_100ma_driver.iConfiguration = status;
283
284 if (!gadget_is_altset_supported(gadget)) {
285 status = -ENODEV;
286 goto err_usb;
287 }
288
289 fi_phonet = usb_get_function_instance("phonet");
290 if (IS_ERR(fi_phonet))
291 pr_debug("could not find phonet function\n");
292
293 fi_obex1 = usb_get_function_instance("obex");
294 if (IS_ERR(fi_obex1))
295 pr_debug("could not find obex function 1\n");
296
297 fi_obex2 = usb_get_function_instance("obex");
298 if (IS_ERR(fi_obex2))
299 pr_debug("could not find obex function 2\n");
300
301 fi_acm = usb_get_function_instance("acm");
302 if (IS_ERR(fi_acm)) {
303 status = PTR_ERR(fi_acm);
304 goto err_obex2_inst;
305 }
306
307 fi_ecm = usb_get_function_instance("ecm");
308 if (IS_ERR(fi_ecm)) {
309 status = PTR_ERR(fi_ecm);
310 goto err_acm_inst;
311 }
312
313 fi_msg = usb_get_function_instance("mass_storage");
314 if (IS_ERR(fi_msg)) {
315 status = PTR_ERR(fi_msg);
316 goto err_ecm_inst;
317 }
318
319
320 fsg_config_from_params(&fsg_config, &fsg_mod_data, fsg_num_buffers);
321 fsg_config.vendor_name = "Nokia";
322 fsg_config.product_name = "N900";
323
324 fsg_opts = fsg_opts_from_func_inst(fi_msg);
325 fsg_opts->no_configfs = true;
326
327 status = fsg_common_set_num_buffers(fsg_opts->common, fsg_num_buffers);
328 if (status)
329 goto err_msg_inst;
330
331 status = fsg_common_set_cdev(fsg_opts->common, cdev, fsg_config.can_stall);
332 if (status)
333 goto err_msg_buf;
334
335 fsg_common_set_sysfs(fsg_opts->common, true);
336
337 status = fsg_common_create_luns(fsg_opts->common, &fsg_config);
338 if (status)
339 goto err_msg_buf;
340
341 fsg_common_set_inquiry_string(fsg_opts->common, fsg_config.vendor_name,
342 fsg_config.product_name);
343
344
345 status = usb_add_config(cdev, &nokia_config_500ma_driver,
346 nokia_bind_config);
347 if (status < 0)
348 goto err_msg_luns;
349
350 status = usb_add_config(cdev, &nokia_config_100ma_driver,
351 nokia_bind_config);
352 if (status < 0)
353 goto err_put_cfg1;
354
355 usb_composite_overwrite_options(cdev, &coverwrite);
356 dev_info(&gadget->dev, "%s\n", NOKIA_LONG_NAME);
357
358 return 0;
359
360err_put_cfg1:
361 usb_put_function(f_acm_cfg1);
362 if (!IS_ERR_OR_NULL(f_obex1_cfg1))
363 usb_put_function(f_obex1_cfg1);
364 if (!IS_ERR_OR_NULL(f_obex2_cfg1))
365 usb_put_function(f_obex2_cfg1);
366 if (!IS_ERR_OR_NULL(f_phonet_cfg1))
367 usb_put_function(f_phonet_cfg1);
368 usb_put_function(f_ecm_cfg1);
369err_msg_luns:
370 fsg_common_remove_luns(fsg_opts->common);
371err_msg_buf:
372 fsg_common_free_buffers(fsg_opts->common);
373err_msg_inst:
374 usb_put_function_instance(fi_msg);
375err_ecm_inst:
376 usb_put_function_instance(fi_ecm);
377err_acm_inst:
378 usb_put_function_instance(fi_acm);
379err_obex2_inst:
380 if (!IS_ERR(fi_obex2))
381 usb_put_function_instance(fi_obex2);
382 if (!IS_ERR(fi_obex1))
383 usb_put_function_instance(fi_obex1);
384 if (!IS_ERR(fi_phonet))
385 usb_put_function_instance(fi_phonet);
386err_usb:
387 return status;
388}
389
390static int nokia_unbind(struct usb_composite_dev *cdev)
391{
392 if (!IS_ERR_OR_NULL(f_obex1_cfg2))
393 usb_put_function(f_obex1_cfg2);
394 if (!IS_ERR_OR_NULL(f_obex2_cfg2))
395 usb_put_function(f_obex2_cfg2);
396 if (!IS_ERR_OR_NULL(f_obex1_cfg1))
397 usb_put_function(f_obex1_cfg1);
398 if (!IS_ERR_OR_NULL(f_obex2_cfg1))
399 usb_put_function(f_obex2_cfg1);
400 if (!IS_ERR_OR_NULL(f_phonet_cfg1))
401 usb_put_function(f_phonet_cfg1);
402 if (!IS_ERR_OR_NULL(f_phonet_cfg2))
403 usb_put_function(f_phonet_cfg2);
404 usb_put_function(f_acm_cfg1);
405 usb_put_function(f_acm_cfg2);
406 usb_put_function(f_ecm_cfg1);
407 usb_put_function(f_ecm_cfg2);
408 usb_put_function(f_msg_cfg1);
409 usb_put_function(f_msg_cfg2);
410
411 usb_put_function_instance(fi_msg);
412 usb_put_function_instance(fi_ecm);
413 if (!IS_ERR(fi_obex2))
414 usb_put_function_instance(fi_obex2);
415 if (!IS_ERR(fi_obex1))
416 usb_put_function_instance(fi_obex1);
417 if (!IS_ERR(fi_phonet))
418 usb_put_function_instance(fi_phonet);
419 usb_put_function_instance(fi_acm);
420
421 return 0;
422}
423
424static struct usb_composite_driver nokia_driver = {
425 .name = "g_nokia",
426 .dev = &device_desc,
427 .strings = dev_strings,
428 .max_speed = USB_SPEED_HIGH,
429 .bind = nokia_bind,
430 .unbind = nokia_unbind,
431};
432
433module_usb_composite_driver(nokia_driver);
434
