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18#include <linux/kernel.h>
19#include <linux/module.h>
20#include <linux/device.h>
21
22#include "u_serial.h"
23#include "u_ether.h"
24#include "u_phonet.h"
25#include "u_ecm.h"
26#include "f_mass_storage.h"
27
28
29
30#define NOKIA_VERSION_NUM 0x0211
31#define NOKIA_LONG_NAME "N900 (PC-Suite Mode)"
32
33USB_GADGET_COMPOSITE_OPTIONS();
34
35USB_ETHERNET_MODULE_PARAMETERS();
36
37static struct fsg_module_parameters fsg_mod_data = {
38 .stall = 0,
39 .luns = 2,
40 .removable_count = 2,
41 .removable = { 1, 1, },
42};
43
44#ifdef CONFIG_USB_GADGET_DEBUG_FILES
45
46static unsigned int fsg_num_buffers = CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS;
47
48#else
49
50
51
52
53
54#define fsg_num_buffers CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS
55
56#endif
57
58FSG_MODULE_PARAMETERS(, fsg_mod_data);
59
60#define NOKIA_VENDOR_ID 0x0421
61#define NOKIA_PRODUCT_ID 0x01c8
62
63
64
65#define STRING_DESCRIPTION_IDX USB_GADGET_FIRST_AVAIL_IDX
66
67static char manufacturer_nokia[] = "Nokia";
68static const char product_nokia[] = NOKIA_LONG_NAME;
69static const char description_nokia[] = "PC-Suite Configuration";
70
71static struct usb_string strings_dev[] = {
72 [USB_GADGET_MANUFACTURER_IDX].s = manufacturer_nokia,
73 [USB_GADGET_PRODUCT_IDX].s = NOKIA_LONG_NAME,
74 [USB_GADGET_SERIAL_IDX].s = "",
75 [STRING_DESCRIPTION_IDX].s = description_nokia,
76 { }
77};
78
79static struct usb_gadget_strings stringtab_dev = {
80 .language = 0x0409,
81 .strings = strings_dev,
82};
83
84static struct usb_gadget_strings *dev_strings[] = {
85 &stringtab_dev,
86 NULL,
87};
88
89static struct usb_device_descriptor device_desc = {
90 .bLength = USB_DT_DEVICE_SIZE,
91 .bDescriptorType = USB_DT_DEVICE,
92
93 .bDeviceClass = USB_CLASS_COMM,
94 .idVendor = cpu_to_le16(NOKIA_VENDOR_ID),
95 .idProduct = cpu_to_le16(NOKIA_PRODUCT_ID),
96 .bcdDevice = cpu_to_le16(NOKIA_VERSION_NUM),
97
98
99 .bNumConfigurations = 1,
100};
101
102
103
104
105MODULE_DESCRIPTION("Nokia composite gadget driver for N900");
106MODULE_AUTHOR("Felipe Balbi");
107MODULE_LICENSE("GPL");
108
109
110static struct usb_function *f_acm_cfg1;
111static struct usb_function *f_acm_cfg2;
112static struct usb_function *f_ecm_cfg1;
113static struct usb_function *f_ecm_cfg2;
114static struct usb_function *f_obex1_cfg1;
115static struct usb_function *f_obex2_cfg1;
116static struct usb_function *f_obex1_cfg2;
117static struct usb_function *f_obex2_cfg2;
118static struct usb_function *f_phonet_cfg1;
119static struct usb_function *f_phonet_cfg2;
120static struct usb_function *f_msg_cfg1;
121static struct usb_function *f_msg_cfg2;
122
123
124static struct usb_configuration nokia_config_500ma_driver = {
125 .label = "Bus Powered",
126 .bConfigurationValue = 1,
127
128 .bmAttributes = USB_CONFIG_ATT_ONE,
129 .MaxPower = 500,
130};
131
132static struct usb_configuration nokia_config_100ma_driver = {
133 .label = "Self Powered",
134 .bConfigurationValue = 2,
135
136 .bmAttributes = USB_CONFIG_ATT_ONE | USB_CONFIG_ATT_SELFPOWER,
137 .MaxPower = 100,
138};
139
140static struct usb_function_instance *fi_acm;
141static struct usb_function_instance *fi_ecm;
142static struct usb_function_instance *fi_obex1;
143static struct usb_function_instance *fi_obex2;
144static struct usb_function_instance *fi_phonet;
145static struct usb_function_instance *fi_msg;
146
147static int nokia_bind_config(struct usb_configuration *c)
148{
149 struct usb_function *f_acm;
150 struct usb_function *f_phonet = NULL;
151 struct usb_function *f_obex1 = NULL;
152 struct usb_function *f_ecm;
153 struct usb_function *f_obex2 = NULL;
154 struct usb_function *f_msg;
155 int status = 0;
156 int obex1_stat = -1;
157 int obex2_stat = -1;
158 int phonet_stat = -1;
159
160 if (!IS_ERR(fi_phonet)) {
161 f_phonet = usb_get_function(fi_phonet);
162 if (IS_ERR(f_phonet))
163 pr_debug("could not get phonet function\n");
164 }
165
166 if (!IS_ERR(fi_obex1)) {
167 f_obex1 = usb_get_function(fi_obex1);
168 if (IS_ERR(f_obex1))
169 pr_debug("could not get obex function 0\n");
170 }
171
172 if (!IS_ERR(fi_obex2)) {
173 f_obex2 = usb_get_function(fi_obex2);
174 if (IS_ERR(f_obex2))
175 pr_debug("could not get obex function 1\n");
176 }
177
178 f_acm = usb_get_function(fi_acm);
179 if (IS_ERR(f_acm)) {
180 status = PTR_ERR(f_acm);
181 goto err_get_acm;
182 }
183
184 f_ecm = usb_get_function(fi_ecm);
185 if (IS_ERR(f_ecm)) {
186 status = PTR_ERR(f_ecm);
187 goto err_get_ecm;
188 }
189
190 f_msg = usb_get_function(fi_msg);
191 if (IS_ERR(f_msg)) {
192 status = PTR_ERR(f_msg);
193 goto err_get_msg;
194 }
195
196 if (!IS_ERR_OR_NULL(f_phonet)) {
197 phonet_stat = usb_add_function(c, f_phonet);
198 if (phonet_stat)
199 pr_debug("could not add phonet function\n");
200 }
201
202 if (!IS_ERR_OR_NULL(f_obex1)) {
203 obex1_stat = usb_add_function(c, f_obex1);
204 if (obex1_stat)
205 pr_debug("could not add obex function 0\n");
206 }
207
208 if (!IS_ERR_OR_NULL(f_obex2)) {
209 obex2_stat = usb_add_function(c, f_obex2);
210 if (obex2_stat)
211 pr_debug("could not add obex function 1\n");
212 }
213
214 status = usb_add_function(c, f_acm);
215 if (status)
216 goto err_conf;
217
218 status = usb_add_function(c, f_ecm);
219 if (status) {
220 pr_debug("could not bind ecm config %d\n", status);
221 goto err_ecm;
222 }
223
224 status = usb_add_function(c, f_msg);
225 if (status)
226 goto err_msg;
227
228 if (c == &nokia_config_500ma_driver) {
229 f_acm_cfg1 = f_acm;
230 f_ecm_cfg1 = f_ecm;
231 f_phonet_cfg1 = f_phonet;
232 f_obex1_cfg1 = f_obex1;
233 f_obex2_cfg1 = f_obex2;
234 f_msg_cfg1 = f_msg;
235 } else {
236 f_acm_cfg2 = f_acm;
237 f_ecm_cfg2 = f_ecm;
238 f_phonet_cfg2 = f_phonet;
239 f_obex1_cfg2 = f_obex1;
240 f_obex2_cfg2 = f_obex2;
241 f_msg_cfg2 = f_msg;
242 }
243
244 return status;
245err_msg:
246 usb_remove_function(c, f_ecm);
247err_ecm:
248 usb_remove_function(c, f_acm);
249err_conf:
250 if (!obex2_stat)
251 usb_remove_function(c, f_obex2);
252 if (!obex1_stat)
253 usb_remove_function(c, f_obex1);
254 if (!phonet_stat)
255 usb_remove_function(c, f_phonet);
256 usb_put_function(f_msg);
257err_get_msg:
258 usb_put_function(f_ecm);
259err_get_ecm:
260 usb_put_function(f_acm);
261err_get_acm:
262 if (!IS_ERR_OR_NULL(f_obex2))
263 usb_put_function(f_obex2);
264 if (!IS_ERR_OR_NULL(f_obex1))
265 usb_put_function(f_obex1);
266 if (!IS_ERR_OR_NULL(f_phonet))
267 usb_put_function(f_phonet);
268 return status;
269}
270
271static int nokia_bind(struct usb_composite_dev *cdev)
272{
273 struct usb_gadget *gadget = cdev->gadget;
274 struct fsg_opts *fsg_opts;
275 struct fsg_config fsg_config;
276 int status;
277
278 status = usb_string_ids_tab(cdev, strings_dev);
279 if (status < 0)
280 goto err_usb;
281 device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id;
282 device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id;
283 status = strings_dev[STRING_DESCRIPTION_IDX].id;
284 nokia_config_500ma_driver.iConfiguration = status;
285 nokia_config_100ma_driver.iConfiguration = status;
286
287 if (!gadget_is_altset_supported(gadget)) {
288 status = -ENODEV;
289 goto err_usb;
290 }
291
292 fi_phonet = usb_get_function_instance("phonet");
293 if (IS_ERR(fi_phonet))
294 pr_debug("could not find phonet function\n");
295
296 fi_obex1 = usb_get_function_instance("obex");
297 if (IS_ERR(fi_obex1))
298 pr_debug("could not find obex function 1\n");
299
300 fi_obex2 = usb_get_function_instance("obex");
301 if (IS_ERR(fi_obex2))
302 pr_debug("could not find obex function 2\n");
303
304 fi_acm = usb_get_function_instance("acm");
305 if (IS_ERR(fi_acm)) {
306 status = PTR_ERR(fi_acm);
307 goto err_obex2_inst;
308 }
309
310 fi_ecm = usb_get_function_instance("ecm");
311 if (IS_ERR(fi_ecm)) {
312 status = PTR_ERR(fi_ecm);
313 goto err_acm_inst;
314 }
315
316 fi_msg = usb_get_function_instance("mass_storage");
317 if (IS_ERR(fi_msg)) {
318 status = PTR_ERR(fi_msg);
319 goto err_ecm_inst;
320 }
321
322
323 fsg_config_from_params(&fsg_config, &fsg_mod_data, fsg_num_buffers);
324 fsg_config.vendor_name = "Nokia";
325 fsg_config.product_name = "N900";
326
327 fsg_opts = fsg_opts_from_func_inst(fi_msg);
328 fsg_opts->no_configfs = true;
329
330 status = fsg_common_set_num_buffers(fsg_opts->common, fsg_num_buffers);
331 if (status)
332 goto err_msg_inst;
333
334 status = fsg_common_set_cdev(fsg_opts->common, cdev, fsg_config.can_stall);
335 if (status)
336 goto err_msg_buf;
337
338 fsg_common_set_sysfs(fsg_opts->common, true);
339
340 status = fsg_common_create_luns(fsg_opts->common, &fsg_config);
341 if (status)
342 goto err_msg_buf;
343
344 fsg_common_set_inquiry_string(fsg_opts->common, fsg_config.vendor_name,
345 fsg_config.product_name);
346
347
348 status = usb_add_config(cdev, &nokia_config_500ma_driver,
349 nokia_bind_config);
350 if (status < 0)
351 goto err_msg_luns;
352
353 status = usb_add_config(cdev, &nokia_config_100ma_driver,
354 nokia_bind_config);
355 if (status < 0)
356 goto err_put_cfg1;
357
358 usb_composite_overwrite_options(cdev, &coverwrite);
359 dev_info(&gadget->dev, "%s\n", NOKIA_LONG_NAME);
360
361 return 0;
362
363err_put_cfg1:
364 usb_put_function(f_acm_cfg1);
365 if (!IS_ERR_OR_NULL(f_obex1_cfg1))
366 usb_put_function(f_obex1_cfg1);
367 if (!IS_ERR_OR_NULL(f_obex2_cfg1))
368 usb_put_function(f_obex2_cfg1);
369 if (!IS_ERR_OR_NULL(f_phonet_cfg1))
370 usb_put_function(f_phonet_cfg1);
371 usb_put_function(f_ecm_cfg1);
372err_msg_luns:
373 fsg_common_remove_luns(fsg_opts->common);
374err_msg_buf:
375 fsg_common_free_buffers(fsg_opts->common);
376err_msg_inst:
377 usb_put_function_instance(fi_msg);
378err_ecm_inst:
379 usb_put_function_instance(fi_ecm);
380err_acm_inst:
381 usb_put_function_instance(fi_acm);
382err_obex2_inst:
383 if (!IS_ERR(fi_obex2))
384 usb_put_function_instance(fi_obex2);
385 if (!IS_ERR(fi_obex1))
386 usb_put_function_instance(fi_obex1);
387 if (!IS_ERR(fi_phonet))
388 usb_put_function_instance(fi_phonet);
389err_usb:
390 return status;
391}
392
393static int nokia_unbind(struct usb_composite_dev *cdev)
394{
395 if (!IS_ERR_OR_NULL(f_obex1_cfg2))
396 usb_put_function(f_obex1_cfg2);
397 if (!IS_ERR_OR_NULL(f_obex2_cfg2))
398 usb_put_function(f_obex2_cfg2);
399 if (!IS_ERR_OR_NULL(f_obex1_cfg1))
400 usb_put_function(f_obex1_cfg1);
401 if (!IS_ERR_OR_NULL(f_obex2_cfg1))
402 usb_put_function(f_obex2_cfg1);
403 if (!IS_ERR_OR_NULL(f_phonet_cfg1))
404 usb_put_function(f_phonet_cfg1);
405 if (!IS_ERR_OR_NULL(f_phonet_cfg2))
406 usb_put_function(f_phonet_cfg2);
407 usb_put_function(f_acm_cfg1);
408 usb_put_function(f_acm_cfg2);
409 usb_put_function(f_ecm_cfg1);
410 usb_put_function(f_ecm_cfg2);
411 usb_put_function(f_msg_cfg1);
412 usb_put_function(f_msg_cfg2);
413
414 usb_put_function_instance(fi_msg);
415 usb_put_function_instance(fi_ecm);
416 if (!IS_ERR(fi_obex2))
417 usb_put_function_instance(fi_obex2);
418 if (!IS_ERR(fi_obex1))
419 usb_put_function_instance(fi_obex1);
420 if (!IS_ERR(fi_phonet))
421 usb_put_function_instance(fi_phonet);
422 usb_put_function_instance(fi_acm);
423
424 return 0;
425}
426
427static struct usb_composite_driver nokia_driver = {
428 .name = "g_nokia",
429 .dev = &device_desc,
430 .strings = dev_strings,
431 .max_speed = USB_SPEED_HIGH,
432 .bind = nokia_bind,
433 .unbind = nokia_unbind,
434};
435
436module_usb_composite_driver(nokia_driver);
437
