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