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Commit | Line | Data |
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8d4f9d0e | 1 | /* |
85447060 MK |
2 | * Siano core API module |
3 | * | |
4 | * This file contains implementation for the interface to sms core component | |
5 | * | |
6 | * author: Anatoly Greenblat | |
8d4f9d0e | 7 | * |
85447060 | 8 | * Copyright (c), 2005-2008 Siano Mobile Silicon, Inc. |
8d4f9d0e ST |
9 | * |
10 | * This program is free software; you can redistribute it and/or modify | |
85447060 MK |
11 | * it under the terms of the GNU General Public License version 3 as |
12 | * published by the Free Software Foundation; | |
8d4f9d0e | 13 | * |
85447060 MK |
14 | * Software distributed under the License is distributed on an "AS IS" |
15 | * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. | |
8d4f9d0e | 16 | * |
85447060 | 17 | * See the GNU General Public License for more details. |
8d4f9d0e ST |
18 | * |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
22 | */ | |
23 | ||
2e5c1ec8 MK |
24 | #include <linux/kernel.h> |
25 | #include <linux/init.h> | |
26 | #include <linux/module.h> | |
27 | #include <linux/moduleparam.h> | |
28 | #include <linux/dma-mapping.h> | |
29 | #include <linux/delay.h> | |
30 | #include <asm/io.h> | |
31 | ||
2e5c1ec8 MK |
32 | #include <linux/firmware.h> |
33 | ||
34 | #include "smscoreapi.h" | |
2e5c1ec8 | 35 | |
82237416 MK |
36 | #define PERROR(fmt, args...)\ |
37 | printk(KERN_ERR "smscore error: line %d- %s(): " fmt, \ | |
38 | __LINE__, __func__, ## args) | |
f17407a8 MK |
39 | |
40 | #ifdef SMSCORE_DEBUG | |
f17407a8 | 41 | #undef PWARNING |
82237416 MK |
42 | # define PWARNING(fmt, args...) printk(KERN_INFO "smscore warning: " \ |
43 | "line %d- %s(): " fmt, \ | |
44 | __LINE__, __func__, ## args) | |
f17407a8 | 45 | #undef PDEBUG /* undef it, just in case */ |
82237416 MK |
46 | # define PDEBUG(fmt, args...) printk(KERN_INFO "smscore - %s(): " fmt, \ |
47 | __func__, ## args) | |
f17407a8 | 48 | #else /*SMSCORE_DEBUG*/ |
f17407a8 MK |
49 | #define PDEBUG(fmt, args...) |
50 | #define PWARNING(fmt, args...) | |
f17407a8 MK |
51 | #endif |
52 | ||
18245e18 | 53 | struct smscore_device_notifyee_t { |
2e5c1ec8 MK |
54 | struct list_head entry; |
55 | hotplug_t hotplug; | |
18245e18 | 56 | }; |
2e5c1ec8 | 57 | |
18245e18 | 58 | struct smscore_idlist_t { |
f17407a8 MK |
59 | struct list_head entry; |
60 | int id; | |
61 | int data_type; | |
18245e18 | 62 | }; |
f17407a8 | 63 | |
18245e18 | 64 | struct smscore_client_t { |
2e5c1ec8 | 65 | struct list_head entry; |
18245e18 | 66 | struct smscore_device_t *coredev; |
2e5c1ec8 | 67 | void *context; |
f17407a8 | 68 | struct list_head idlist; |
2e5c1ec8 MK |
69 | onresponse_t onresponse_handler; |
70 | onremove_t onremove_handler; | |
18245e18 | 71 | }; |
2e5c1ec8 | 72 | |
18245e18 | 73 | struct smscore_device_t { |
2e5c1ec8 MK |
74 | struct list_head entry; |
75 | ||
76 | struct list_head clients; | |
77 | struct list_head subclients; | |
78 | spinlock_t clientslock; | |
79 | ||
80 | struct list_head buffers; | |
81 | spinlock_t bufferslock; | |
82 | int num_buffers; | |
83 | ||
84 | void *common_buffer; | |
85 | int common_buffer_size; | |
86 | dma_addr_t common_buffer_phys; | |
87 | ||
88 | void *context; | |
89 | struct device *device; | |
90 | ||
91 | char devpath[32]; | |
92 | unsigned long device_flags; | |
93 | ||
94 | setmode_t setmode_handler; | |
95 | detectmode_t detectmode_handler; | |
96 | sendrequest_t sendrequest_handler; | |
97 | preload_t preload_handler; | |
98 | postload_t postload_handler; | |
99 | ||
100 | int mode, modes_supported; | |
101 | ||
102 | struct completion version_ex_done, data_download_done, trigger_done; | |
103 | struct completion init_device_done, reload_start_done, resume_done; | |
1c11d546 MK |
104 | |
105 | int board_id; | |
18245e18 | 106 | }; |
2e5c1ec8 | 107 | |
1c11d546 MK |
108 | void smscore_set_board_id(struct smscore_device_t *core, int id) |
109 | { | |
110 | core->board_id = id; | |
111 | } | |
112 | ||
113 | int smscore_get_board_id(struct smscore_device_t *core) | |
114 | { | |
115 | return core->board_id; | |
116 | } | |
117 | ||
18245e18 | 118 | struct smscore_registry_entry_t { |
2e5c1ec8 MK |
119 | struct list_head entry; |
120 | char devpath[32]; | |
121 | int mode; | |
18245e18 MK |
122 | enum sms_device_type_st type; |
123 | }; | |
2e5c1ec8 MK |
124 | |
125 | struct list_head g_smscore_notifyees; | |
126 | struct list_head g_smscore_devices; | |
127 | kmutex_t g_smscore_deviceslock; | |
128 | ||
129 | struct list_head g_smscore_registry; | |
130 | kmutex_t g_smscore_registrylock; | |
131 | ||
dd5b2a5c | 132 | static int default_mode = 4; |
f17407a8 | 133 | |
2e5c1ec8 MK |
134 | module_param(default_mode, int, 0644); |
135 | MODULE_PARM_DESC(default_mode, "default firmware id (device mode)"); | |
136 | ||
18245e18 | 137 | static struct smscore_registry_entry_t *smscore_find_registry(char *devpath) |
2e5c1ec8 | 138 | { |
18245e18 | 139 | struct smscore_registry_entry_t *entry; |
2e5c1ec8 MK |
140 | struct list_head *next; |
141 | ||
142 | kmutex_lock(&g_smscore_registrylock); | |
82237416 MK |
143 | for (next = g_smscore_registry.next; |
144 | next != &g_smscore_registry; | |
145 | next = next->next) { | |
18245e18 | 146 | entry = (struct smscore_registry_entry_t *) next; |
82237416 | 147 | if (!strcmp(entry->devpath, devpath)) { |
2e5c1ec8 | 148 | kmutex_unlock(&g_smscore_registrylock); |
f17407a8 | 149 | return entry; |
2e5c1ec8 MK |
150 | } |
151 | } | |
18245e18 MK |
152 | entry = (struct smscore_registry_entry_t *) |
153 | kmalloc(sizeof(struct smscore_registry_entry_t), | |
154 | GFP_KERNEL); | |
82237416 | 155 | if (entry) { |
2e5c1ec8 MK |
156 | entry->mode = default_mode; |
157 | strcpy(entry->devpath, devpath); | |
2e5c1ec8 | 158 | list_add(&entry->entry, &g_smscore_registry); |
82237416 MK |
159 | } else |
160 | printk(KERN_ERR "%s failed to create smscore_registry.\n", | |
161 | __func__); | |
2e5c1ec8 | 162 | kmutex_unlock(&g_smscore_registrylock); |
f17407a8 MK |
163 | return entry; |
164 | } | |
2e5c1ec8 | 165 | |
82237416 | 166 | int smscore_registry_getmode(char *devpath) |
f17407a8 | 167 | { |
18245e18 | 168 | struct smscore_registry_entry_t *entry; |
f17407a8 | 169 | |
82237416 MK |
170 | entry = smscore_find_registry(devpath); |
171 | if (entry) | |
f17407a8 | 172 | return entry->mode; |
f17407a8 | 173 | else |
82237416 MK |
174 | printk(KERN_ERR "%s No registry found.\n", __func__); |
175 | ||
2e5c1ec8 MK |
176 | return default_mode; |
177 | } | |
178 | ||
18245e18 | 179 | enum sms_device_type_st smscore_registry_gettype(char *devpath) |
2e5c1ec8 | 180 | { |
18245e18 | 181 | struct smscore_registry_entry_t *entry; |
2e5c1ec8 | 182 | |
82237416 MK |
183 | entry = smscore_find_registry(devpath); |
184 | if (entry) | |
f17407a8 | 185 | return entry->type; |
f17407a8 | 186 | else |
82237416 MK |
187 | printk(KERN_ERR "%s No registry found.\n", __func__); |
188 | ||
f17407a8 MK |
189 | return -1; |
190 | } | |
2e5c1ec8 | 191 | |
82237416 MK |
192 | void smscore_registry_setmode(char *devpath, int mode) |
193 | { | |
18245e18 | 194 | struct smscore_registry_entry_t *entry; |
2e5c1ec8 | 195 | |
82237416 MK |
196 | entry = smscore_find_registry(devpath); |
197 | if (entry) | |
198 | entry->mode = mode; | |
f17407a8 | 199 | else |
82237416 MK |
200 | printk(KERN_ERR "%s No registry found.\n", __func__); |
201 | } | |
2e5c1ec8 | 202 | |
18245e18 | 203 | void smscore_registry_settype(char *devpath, enum sms_device_type_st type) |
f17407a8 | 204 | { |
18245e18 | 205 | struct smscore_registry_entry_t *entry; |
f17407a8 | 206 | |
82237416 MK |
207 | entry = smscore_find_registry(devpath); |
208 | if (entry) | |
f17407a8 | 209 | entry->type = type; |
f17407a8 | 210 | else |
82237416 | 211 | printk(KERN_ERR "%s No registry found.\n", __func__); |
2e5c1ec8 MK |
212 | } |
213 | ||
214 | ||
a83ccdd6 | 215 | void list_add_locked(struct list_head *new, struct list_head *head, |
82237416 | 216 | spinlock_t *lock) |
2e5c1ec8 MK |
217 | { |
218 | unsigned long flags; | |
219 | ||
220 | spin_lock_irqsave(lock, flags); | |
221 | ||
222 | list_add(new, head); | |
223 | ||
224 | spin_unlock_irqrestore(lock, flags); | |
225 | } | |
226 | ||
227 | /** | |
228 | * register a client callback that called when device plugged in/unplugged | |
229 | * NOTE: if devices exist callback is called immediately for each device | |
230 | * | |
231 | * @param hotplug callback | |
232 | * | |
233 | * @return 0 on success, <0 on error. | |
234 | */ | |
235 | int smscore_register_hotplug(hotplug_t hotplug) | |
236 | { | |
18245e18 | 237 | struct smscore_device_notifyee_t *notifyee; |
2e5c1ec8 MK |
238 | struct list_head *next, *first; |
239 | int rc = 0; | |
240 | ||
241 | kmutex_lock(&g_smscore_deviceslock); | |
242 | ||
18245e18 MK |
243 | notifyee = kmalloc(sizeof(struct smscore_device_notifyee_t), |
244 | GFP_KERNEL); | |
82237416 MK |
245 | if (notifyee) { |
246 | /* now notify callback about existing devices */ | |
2e5c1ec8 | 247 | first = &g_smscore_devices; |
82237416 MK |
248 | for (next = first->next; |
249 | next != first && !rc; | |
250 | next = next->next) { | |
18245e18 MK |
251 | struct smscore_device_t *coredev = |
252 | (struct smscore_device_t *) next; | |
2e5c1ec8 MK |
253 | rc = hotplug(coredev, coredev->device, 1); |
254 | } | |
255 | ||
82237416 | 256 | if (rc >= 0) { |
2e5c1ec8 MK |
257 | notifyee->hotplug = hotplug; |
258 | list_add(¬ifyee->entry, &g_smscore_notifyees); | |
82237416 | 259 | } else |
2e5c1ec8 | 260 | kfree(notifyee); |
82237416 | 261 | } else |
2e5c1ec8 MK |
262 | rc = -ENOMEM; |
263 | ||
264 | kmutex_unlock(&g_smscore_deviceslock); | |
265 | ||
266 | return rc; | |
267 | } | |
268 | ||
269 | /** | |
270 | * unregister a client callback that called when device plugged in/unplugged | |
271 | * | |
272 | * @param hotplug callback | |
273 | * | |
274 | */ | |
275 | void smscore_unregister_hotplug(hotplug_t hotplug) | |
276 | { | |
277 | struct list_head *next, *first; | |
278 | ||
279 | kmutex_lock(&g_smscore_deviceslock); | |
280 | ||
281 | first = &g_smscore_notifyees; | |
282 | ||
82237416 | 283 | for (next = first->next; next != first;) { |
18245e18 MK |
284 | struct smscore_device_notifyee_t *notifyee = |
285 | (struct smscore_device_notifyee_t *) next; | |
2e5c1ec8 MK |
286 | next = next->next; |
287 | ||
82237416 | 288 | if (notifyee->hotplug == hotplug) { |
2e5c1ec8 MK |
289 | list_del(¬ifyee->entry); |
290 | kfree(notifyee); | |
291 | } | |
292 | } | |
293 | ||
294 | kmutex_unlock(&g_smscore_deviceslock); | |
295 | } | |
296 | ||
18245e18 | 297 | void smscore_notify_clients(struct smscore_device_t *coredev) |
2e5c1ec8 | 298 | { |
18245e18 | 299 | struct smscore_client_t *client; |
2e5c1ec8 | 300 | |
82237416 MK |
301 | /* the client must call smscore_unregister_client from remove handler */ |
302 | while (!list_empty(&coredev->clients)) { | |
18245e18 | 303 | client = (struct smscore_client_t *) coredev->clients.next; |
2e5c1ec8 MK |
304 | client->onremove_handler(client->context); |
305 | } | |
306 | } | |
307 | ||
18245e18 MK |
308 | int smscore_notify_callbacks(struct smscore_device_t *coredev, |
309 | struct device *device, int arrival) | |
2e5c1ec8 MK |
310 | { |
311 | struct list_head *next, *first; | |
312 | int rc = 0; | |
313 | ||
82237416 | 314 | /* note: must be called under g_deviceslock */ |
2e5c1ec8 MK |
315 | |
316 | first = &g_smscore_notifyees; | |
317 | ||
82237416 | 318 | for (next = first->next; next != first; next = next->next) { |
18245e18 | 319 | rc = ((struct smscore_device_notifyee_t *) next)-> |
59bf6b8e | 320 | hotplug(coredev, device, arrival); |
2e5c1ec8 MK |
321 | if (rc < 0) |
322 | break; | |
323 | } | |
324 | ||
325 | return rc; | |
326 | } | |
327 | ||
18245e18 | 328 | struct smscore_buffer_t *smscore_createbuffer(u8 *buffer, void *common_buffer, |
a83ccdd6 | 329 | dma_addr_t common_buffer_phys) |
2e5c1ec8 | 330 | { |
18245e18 MK |
331 | struct smscore_buffer_t *cb = |
332 | kmalloc(sizeof(struct smscore_buffer_t), GFP_KERNEL); | |
82237416 | 333 | if (!cb) { |
18658117 | 334 | printk(KERN_INFO "%s kmalloc(...) failed\n", __func__); |
2e5c1ec8 MK |
335 | return NULL; |
336 | } | |
337 | ||
338 | cb->p = buffer; | |
494d24c5 | 339 | cb->offset_in_common = buffer - (u8 *) common_buffer; |
2e5c1ec8 MK |
340 | cb->phys = common_buffer_phys + cb->offset_in_common; |
341 | ||
342 | return cb; | |
343 | } | |
344 | ||
345 | /** | |
82237416 MK |
346 | * creates coredev object for a device, prepares buffers, |
347 | * creates buffer mappings, notifies registered hotplugs about new device. | |
2e5c1ec8 | 348 | * |
59bf6b8e MK |
349 | * @param params device pointer to struct with device specific parameters |
350 | * and handlers | |
2e5c1ec8 MK |
351 | * @param coredev pointer to a value that receives created coredev object |
352 | * | |
353 | * @return 0 on success, <0 on error. | |
354 | */ | |
18245e18 MK |
355 | int smscore_register_device(struct smsdevice_params_t *params, |
356 | struct smscore_device_t **coredev) | |
2e5c1ec8 | 357 | { |
18245e18 | 358 | struct smscore_device_t *dev; |
2e5c1ec8 MK |
359 | u8 *buffer; |
360 | ||
18245e18 | 361 | dev = kzalloc(sizeof(struct smscore_device_t), GFP_KERNEL); |
82237416 | 362 | if (!dev) { |
18658117 | 363 | printk(KERN_INFO "%s kzalloc(...) failed\n", __func__); |
2e5c1ec8 MK |
364 | return -ENOMEM; |
365 | } | |
366 | ||
82237416 | 367 | /* init list entry so it could be safe in smscore_unregister_device */ |
2e5c1ec8 MK |
368 | INIT_LIST_HEAD(&dev->entry); |
369 | ||
82237416 | 370 | /* init queues */ |
2e5c1ec8 | 371 | INIT_LIST_HEAD(&dev->clients); |
2e5c1ec8 MK |
372 | INIT_LIST_HEAD(&dev->buffers); |
373 | ||
82237416 | 374 | /* init locks */ |
2e5c1ec8 MK |
375 | spin_lock_init(&dev->clientslock); |
376 | spin_lock_init(&dev->bufferslock); | |
377 | ||
82237416 | 378 | /* init completion events */ |
2e5c1ec8 MK |
379 | init_completion(&dev->version_ex_done); |
380 | init_completion(&dev->data_download_done); | |
381 | init_completion(&dev->trigger_done); | |
382 | init_completion(&dev->init_device_done); | |
383 | init_completion(&dev->reload_start_done); | |
384 | init_completion(&dev->resume_done); | |
385 | ||
82237416 | 386 | /* alloc common buffer */ |
2e5c1ec8 | 387 | dev->common_buffer_size = params->buffer_size * params->num_buffers; |
82237416 MK |
388 | dev->common_buffer = dma_alloc_coherent(NULL, dev->common_buffer_size, |
389 | &dev->common_buffer_phys, | |
390 | GFP_KERNEL | GFP_DMA); | |
391 | if (!dev->common_buffer) { | |
2e5c1ec8 MK |
392 | smscore_unregister_device(dev); |
393 | return -ENOMEM; | |
394 | } | |
395 | ||
82237416 MK |
396 | /* prepare dma buffers */ |
397 | for (buffer = dev->common_buffer; | |
398 | dev->num_buffers < params->num_buffers; | |
fa830e8a | 399 | dev->num_buffers++, buffer += params->buffer_size) { |
18245e18 | 400 | struct smscore_buffer_t *cb = |
59bf6b8e MK |
401 | smscore_createbuffer(buffer, dev->common_buffer, |
402 | dev->common_buffer_phys); | |
82237416 | 403 | if (!cb) { |
2e5c1ec8 MK |
404 | smscore_unregister_device(dev); |
405 | return -ENOMEM; | |
406 | } | |
407 | ||
408 | smscore_putbuffer(dev, cb); | |
409 | } | |
410 | ||
82237416 MK |
411 | printk(KERN_INFO "%s allocated %d buffers\n", |
412 | __func__, dev->num_buffers); | |
2e5c1ec8 MK |
413 | |
414 | dev->mode = DEVICE_MODE_NONE; | |
415 | dev->context = params->context; | |
416 | dev->device = params->device; | |
417 | dev->setmode_handler = params->setmode_handler; | |
418 | dev->detectmode_handler = params->detectmode_handler; | |
419 | dev->sendrequest_handler = params->sendrequest_handler; | |
420 | dev->preload_handler = params->preload_handler; | |
421 | dev->postload_handler = params->postload_handler; | |
422 | ||
423 | dev->device_flags = params->flags; | |
424 | strcpy(dev->devpath, params->devpath); | |
425 | ||
82237416 | 426 | smscore_registry_settype(dev->devpath, params->device_type); |
f17407a8 | 427 | |
82237416 | 428 | /* add device to devices list */ |
2e5c1ec8 MK |
429 | kmutex_lock(&g_smscore_deviceslock); |
430 | list_add(&dev->entry, &g_smscore_devices); | |
431 | kmutex_unlock(&g_smscore_deviceslock); | |
432 | ||
433 | *coredev = dev; | |
434 | ||
18658117 | 435 | printk(KERN_INFO "%s device %p created\n", __func__, dev); |
2e5c1ec8 MK |
436 | |
437 | return 0; | |
438 | } | |
439 | ||
440 | /** | |
441 | * sets initial device mode and notifies client hotplugs that device is ready | |
442 | * | |
59bf6b8e MK |
443 | * @param coredev pointer to a coredev object returned by |
444 | * smscore_register_device | |
2e5c1ec8 MK |
445 | * |
446 | * @return 0 on success, <0 on error. | |
447 | */ | |
18245e18 | 448 | int smscore_start_device(struct smscore_device_t *coredev) |
2e5c1ec8 | 449 | { |
59bf6b8e MK |
450 | int rc = smscore_set_device_mode( |
451 | coredev, smscore_registry_getmode(coredev->devpath)); | |
82237416 | 452 | if (rc < 0) { |
59bf6b8e MK |
453 | printk(KERN_INFO "%s set device mode faile , rc %d\n", |
454 | __func__, rc); | |
2e5c1ec8 | 455 | return rc; |
f17407a8 | 456 | } |
2e5c1ec8 MK |
457 | |
458 | kmutex_lock(&g_smscore_deviceslock); | |
459 | ||
460 | rc = smscore_notify_callbacks(coredev, coredev->device, 1); | |
461 | ||
82237416 MK |
462 | printk(KERN_INFO "%s device %p started, rc %d\n", |
463 | __func__, coredev, rc); | |
2e5c1ec8 MK |
464 | |
465 | kmutex_unlock(&g_smscore_deviceslock); | |
466 | ||
467 | return rc; | |
468 | } | |
469 | ||
18245e18 | 470 | int smscore_sendrequest_and_wait(struct smscore_device_t *coredev, void *buffer, |
82237416 | 471 | size_t size, struct completion *completion) |
2e5c1ec8 MK |
472 | { |
473 | int rc = coredev->sendrequest_handler(coredev->context, buffer, size); | |
82237416 MK |
474 | if (rc < 0) { |
475 | printk(KERN_INFO "%s sendrequest returned error %d\n", | |
476 | __func__, rc); | |
2e5c1ec8 | 477 | return rc; |
f17407a8 | 478 | } |
2e5c1ec8 | 479 | |
82237416 MK |
480 | return wait_for_completion_timeout(completion, |
481 | msecs_to_jiffies(10000)) ? | |
482 | 0 : -ETIME; | |
2e5c1ec8 MK |
483 | } |
484 | ||
18245e18 MK |
485 | int smscore_load_firmware_family2(struct smscore_device_t *coredev, |
486 | void *buffer, size_t size) | |
2e5c1ec8 | 487 | { |
18245e18 MK |
488 | struct SmsFirmware_ST *firmware = (struct SmsFirmware_ST *) buffer; |
489 | struct SmsMsgHdr_ST *msg; | |
f0333e3d | 490 | u32 mem_address = firmware->StartAddress; |
a83ccdd6 | 491 | u8 *payload = firmware->Payload; |
2e5c1ec8 MK |
492 | int rc = 0; |
493 | ||
82237416 MK |
494 | printk(KERN_INFO "%s loading FW to addr 0x%x size %d\n", |
495 | __func__, mem_address, firmware->Length); | |
496 | if (coredev->preload_handler) { | |
2e5c1ec8 MK |
497 | rc = coredev->preload_handler(coredev->context); |
498 | if (rc < 0) | |
499 | return rc; | |
500 | } | |
501 | ||
82237416 | 502 | /* PAGE_SIZE buffer shall be enough and dma aligned */ |
e080842c | 503 | msg = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA); |
2e5c1ec8 MK |
504 | if (!msg) |
505 | return -ENOMEM; | |
506 | ||
82237416 | 507 | if (coredev->mode != DEVICE_MODE_NONE) { |
f17407a8 | 508 | PDEBUG("Sending reload command\n"); |
82237416 | 509 | SMS_INIT_MSG(msg, MSG_SW_RELOAD_START_REQ, |
18245e18 | 510 | sizeof(struct SmsMsgHdr_ST)); |
82237416 MK |
511 | rc = smscore_sendrequest_and_wait(coredev, msg, |
512 | msg->msgLength, | |
513 | &coredev->reload_start_done); | |
f0333e3d | 514 | mem_address = *(u32 *) &payload[20]; |
2e5c1ec8 MK |
515 | } |
516 | ||
fa830e8a | 517 | while (size && rc >= 0) { |
18245e18 MK |
518 | struct SmsDataDownload_ST *DataMsg = |
519 | (struct SmsDataDownload_ST *) msg; | |
2e5c1ec8 MK |
520 | int payload_size = min((int) size, SMS_MAX_PAYLOAD_SIZE); |
521 | ||
82237416 | 522 | SMS_INIT_MSG(msg, MSG_SMS_DATA_DOWNLOAD_REQ, |
18245e18 | 523 | (u16)(sizeof(struct SmsMsgHdr_ST) + |
f0333e3d | 524 | sizeof(u32) + payload_size)); |
2e5c1ec8 MK |
525 | |
526 | DataMsg->MemAddr = mem_address; | |
527 | memcpy(DataMsg->Payload, payload, payload_size); | |
528 | ||
82237416 MK |
529 | if ((coredev->device_flags & SMS_ROM_NO_RESPONSE) && |
530 | (coredev->mode == DEVICE_MODE_NONE)) | |
59bf6b8e MK |
531 | rc = coredev->sendrequest_handler( |
532 | coredev->context, DataMsg, | |
533 | DataMsg->xMsgHeader.msgLength); | |
2e5c1ec8 | 534 | else |
59bf6b8e MK |
535 | rc = smscore_sendrequest_and_wait( |
536 | coredev, DataMsg, | |
537 | DataMsg->xMsgHeader.msgLength, | |
538 | &coredev->data_download_done); | |
2e5c1ec8 MK |
539 | |
540 | payload += payload_size; | |
541 | size -= payload_size; | |
542 | mem_address += payload_size; | |
543 | } | |
544 | ||
82237416 MK |
545 | if (rc >= 0) { |
546 | if (coredev->mode == DEVICE_MODE_NONE) { | |
18245e18 MK |
547 | struct SmsMsgData_ST *TriggerMsg = |
548 | (struct SmsMsgData_ST *) msg; | |
2e5c1ec8 | 549 | |
82237416 | 550 | SMS_INIT_MSG(msg, MSG_SMS_SWDOWNLOAD_TRIGGER_REQ, |
18245e18 | 551 | sizeof(struct SmsMsgHdr_ST) + |
f0333e3d | 552 | sizeof(u32) * 5); |
2e5c1ec8 | 553 | |
59bf6b8e MK |
554 | TriggerMsg->msgData[0] = firmware->StartAddress; |
555 | /* Entry point */ | |
fa830e8a MK |
556 | TriggerMsg->msgData[1] = 5; /* Priority */ |
557 | TriggerMsg->msgData[2] = 0x200; /* Stack size */ | |
558 | TriggerMsg->msgData[3] = 0; /* Parameter */ | |
559 | TriggerMsg->msgData[4] = 4; /* Task ID */ | |
2e5c1ec8 | 560 | |
82237416 | 561 | if (coredev->device_flags & SMS_ROM_NO_RESPONSE) { |
59bf6b8e MK |
562 | rc = coredev->sendrequest_handler( |
563 | coredev->context, TriggerMsg, | |
564 | TriggerMsg->xMsgHeader.msgLength); | |
2e5c1ec8 | 565 | msleep(100); |
82237416 | 566 | } else |
59bf6b8e MK |
567 | rc = smscore_sendrequest_and_wait( |
568 | coredev, TriggerMsg, | |
569 | TriggerMsg->xMsgHeader.msgLength, | |
570 | &coredev->trigger_done); | |
82237416 MK |
571 | } else { |
572 | SMS_INIT_MSG(msg, MSG_SW_RELOAD_EXEC_REQ, | |
18245e18 | 573 | sizeof(struct SmsMsgHdr_ST)); |
2e5c1ec8 | 574 | |
82237416 MK |
575 | rc = coredev->sendrequest_handler(coredev->context, |
576 | msg, msg->msgLength); | |
2e5c1ec8 | 577 | } |
82237416 | 578 | msleep(500); |
2e5c1ec8 MK |
579 | } |
580 | ||
9f211397 | 581 | printk(KERN_DEBUG "%s rc=%d, postload=%p \n", __func__, rc, |
82237416 | 582 | coredev->postload_handler); |
2e5c1ec8 MK |
583 | |
584 | kfree(msg); | |
585 | ||
f17407a8 | 586 | return ((rc >= 0) && coredev->postload_handler) ? |
2e5c1ec8 MK |
587 | coredev->postload_handler(coredev->context) : |
588 | rc; | |
589 | } | |
590 | ||
591 | /** | |
592 | * loads specified firmware into a buffer and calls device loadfirmware_handler | |
593 | * | |
59bf6b8e MK |
594 | * @param coredev pointer to a coredev object returned by |
595 | * smscore_register_device | |
2e5c1ec8 MK |
596 | * @param filename null-terminated string specifies firmware file name |
597 | * @param loadfirmware_handler device handler that loads firmware | |
598 | * | |
599 | * @return 0 on success, <0 on error. | |
600 | */ | |
18245e18 MK |
601 | int smscore_load_firmware_from_file(struct smscore_device_t *coredev, |
602 | char *filename, | |
82237416 | 603 | loadfirmware_t loadfirmware_handler) |
2e5c1ec8 MK |
604 | { |
605 | int rc = -ENOENT; | |
2e5c1ec8 | 606 | const struct firmware *fw; |
a83ccdd6 | 607 | u8 *fw_buffer; |
2e5c1ec8 | 608 | |
82237416 MK |
609 | if (loadfirmware_handler == NULL && !(coredev->device_flags & |
610 | SMS_DEVICE_FAMILY2)) | |
2e5c1ec8 MK |
611 | return -EINVAL; |
612 | ||
613 | rc = request_firmware(&fw, filename, coredev->device); | |
82237416 MK |
614 | if (rc < 0) { |
615 | printk(KERN_INFO "%s failed to open \"%s\"\n", | |
616 | __func__, filename); | |
2e5c1ec8 MK |
617 | return rc; |
618 | } | |
82237416 MK |
619 | printk(KERN_INFO "%s read FW %s, size=%d\"\n", __func__, |
620 | filename, fw->size); | |
621 | fw_buffer = kmalloc(ALIGN(fw->size, SMS_ALLOC_ALIGNMENT), | |
622 | GFP_KERNEL | GFP_DMA); | |
623 | if (fw_buffer) { | |
2e5c1ec8 MK |
624 | memcpy(fw_buffer, fw->data, fw->size); |
625 | ||
626 | rc = (coredev->device_flags & SMS_DEVICE_FAMILY2) ? | |
59bf6b8e MK |
627 | smscore_load_firmware_family2(coredev, |
628 | fw_buffer, | |
629 | fw->size) : | |
630 | loadfirmware_handler(coredev->context, | |
631 | fw_buffer, fw->size); | |
2e5c1ec8 MK |
632 | |
633 | kfree(fw_buffer); | |
82237416 MK |
634 | } else { |
635 | printk(KERN_INFO "%s failed to allocate firmware buffer\n", | |
636 | __func__); | |
2e5c1ec8 MK |
637 | rc = -ENOMEM; |
638 | } | |
639 | ||
640 | release_firmware(fw); | |
641 | ||
642 | return rc; | |
643 | } | |
644 | ||
18245e18 MK |
645 | int smscore_load_firmware_from_buffer(struct smscore_device_t *coredev, |
646 | u8 *buffer, int size, int new_mode) | |
f17407a8 MK |
647 | { |
648 | PERROR("Feature not implemented yet\n"); | |
649 | return -EFAULT; | |
650 | } | |
651 | ||
2e5c1ec8 | 652 | /** |
59bf6b8e MK |
653 | * notifies all clients registered with the device, notifies hotplugs, |
654 | * frees all buffers and coredev object | |
2e5c1ec8 | 655 | * |
59bf6b8e MK |
656 | * @param coredev pointer to a coredev object returned by |
657 | * smscore_register_device | |
2e5c1ec8 MK |
658 | * |
659 | * @return 0 on success, <0 on error. | |
660 | */ | |
18245e18 | 661 | void smscore_unregister_device(struct smscore_device_t *coredev) |
2e5c1ec8 | 662 | { |
18245e18 | 663 | struct smscore_buffer_t *cb; |
2e5c1ec8 | 664 | int num_buffers = 0; |
f17407a8 | 665 | int retry = 0; |
2e5c1ec8 MK |
666 | |
667 | kmutex_lock(&g_smscore_deviceslock); | |
668 | ||
669 | smscore_notify_clients(coredev); | |
670 | smscore_notify_callbacks(coredev, NULL, 0); | |
671 | ||
82237416 MK |
672 | /* at this point all buffers should be back |
673 | * onresponse must no longer be called */ | |
2e5c1ec8 | 674 | |
82237416 MK |
675 | while (1) { |
676 | while ((cb = smscore_getbuffer(coredev))) { | |
2e5c1ec8 | 677 | kfree(cb); |
fa830e8a | 678 | num_buffers++; |
2e5c1ec8 | 679 | } |
2e5c1ec8 MK |
680 | if (num_buffers == coredev->num_buffers) |
681 | break; | |
82237416 MK |
682 | if (++retry > 10) { |
683 | printk(KERN_INFO "%s exiting although " | |
684 | "not all buffers released.\n", __func__); | |
f17407a8 MK |
685 | break; |
686 | } | |
2e5c1ec8 | 687 | |
82237416 MK |
688 | printk(KERN_INFO "%s waiting for %d buffer(s)\n", __func__, |
689 | coredev->num_buffers - num_buffers); | |
2e5c1ec8 MK |
690 | msleep(100); |
691 | } | |
692 | ||
18658117 | 693 | printk(KERN_INFO "%s freed %d buffers\n", __func__, num_buffers); |
2e5c1ec8 MK |
694 | |
695 | if (coredev->common_buffer) | |
82237416 MK |
696 | dma_free_coherent(NULL, coredev->common_buffer_size, |
697 | coredev->common_buffer, | |
698 | coredev->common_buffer_phys); | |
2e5c1ec8 MK |
699 | |
700 | list_del(&coredev->entry); | |
701 | kfree(coredev); | |
702 | ||
703 | kmutex_unlock(&g_smscore_deviceslock); | |
704 | ||
18658117 | 705 | printk(KERN_INFO "%s device %p destroyed\n", __func__, coredev); |
2e5c1ec8 MK |
706 | } |
707 | ||
18245e18 | 708 | int smscore_detect_mode(struct smscore_device_t *coredev) |
2e5c1ec8 | 709 | { |
18245e18 | 710 | void *buffer = kmalloc(sizeof(struct SmsMsgHdr_ST) + SMS_DMA_ALIGNMENT, |
82237416 | 711 | GFP_KERNEL | GFP_DMA); |
18245e18 MK |
712 | struct SmsMsgHdr_ST *msg = |
713 | (struct SmsMsgHdr_ST *) SMS_ALIGN_ADDRESS(buffer); | |
2e5c1ec8 MK |
714 | int rc; |
715 | ||
716 | if (!buffer) | |
717 | return -ENOMEM; | |
718 | ||
18245e18 MK |
719 | SMS_INIT_MSG(msg, MSG_SMS_GET_VERSION_EX_REQ, |
720 | sizeof(struct SmsMsgHdr_ST)); | |
2e5c1ec8 | 721 | |
82237416 MK |
722 | rc = smscore_sendrequest_and_wait(coredev, msg, msg->msgLength, |
723 | &coredev->version_ex_done); | |
724 | if (rc == -ETIME) { | |
9f211397 MK |
725 | printk(KERN_ERR "%s: MSG_SMS_GET_VERSION_EX_REQ " |
726 | "failed first try\n", __func__); | |
2e5c1ec8 | 727 | |
82237416 MK |
728 | if (wait_for_completion_timeout(&coredev->resume_done, |
729 | msecs_to_jiffies(5000))) { | |
59bf6b8e MK |
730 | rc = smscore_sendrequest_and_wait( |
731 | coredev, msg, msg->msgLength, | |
732 | &coredev->version_ex_done); | |
2e5c1ec8 | 733 | if (rc < 0) |
9f211397 MK |
734 | printk(KERN_ERR "%s: " |
735 | "MSG_SMS_GET_VERSION_EX_REQ failed " | |
59bf6b8e | 736 | "second try, rc %d\n", __func__, rc); |
82237416 | 737 | } else |
2e5c1ec8 MK |
738 | rc = -ETIME; |
739 | } | |
740 | ||
741 | kfree(buffer); | |
742 | ||
743 | return rc; | |
744 | } | |
745 | ||
82237416 | 746 | char *smscore_fw_lkup[][SMS_NUM_OF_DEVICE_TYPES] = { |
fbd05c82 MK |
747 | /*Stellar NOVA A0 Nova B0 VEGA*/ |
748 | /*DVBT*/ | |
749 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, | |
750 | /*DVBH*/ | |
751 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, | |
752 | /*TDMB*/ | |
753 | {"none", "tdmb_nova_12mhz.inp", "none", "none"}, | |
754 | /*DABIP*/ | |
755 | {"none", "none", "none", "none"}, | |
756 | /*BDA*/ | |
757 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, | |
758 | /*ISDBT*/ | |
759 | {"none", "isdbt_nova_12mhz.inp", "dvb_nova_12mhz.inp", "none"}, | |
760 | /*ISDBTBDA*/ | |
761 | {"none", "isdbt_nova_12mhz.inp", "isdbt_nova_12mhz_b0.inp", "none"}, | |
762 | /*CMMB*/ | |
763 | {"none", "none", "none", "cmmb_vega_12mhz.inp"} | |
2e5c1ec8 MK |
764 | }; |
765 | ||
f17407a8 | 766 | |
2e5c1ec8 MK |
767 | /** |
768 | * calls device handler to change mode of operation | |
769 | * NOTE: stellar/usb may disconnect when changing mode | |
770 | * | |
59bf6b8e MK |
771 | * @param coredev pointer to a coredev object returned by |
772 | * smscore_register_device | |
2e5c1ec8 MK |
773 | * @param mode requested mode of operation |
774 | * | |
775 | * @return 0 on success, <0 on error. | |
776 | */ | |
18245e18 | 777 | int smscore_set_device_mode(struct smscore_device_t *coredev, int mode) |
2e5c1ec8 MK |
778 | { |
779 | void *buffer; | |
780 | int rc = 0; | |
18245e18 | 781 | enum sms_device_type_st type; |
2e5c1ec8 | 782 | |
82237416 MK |
783 | PDEBUG("set device mode to %d\n", mode); |
784 | if (coredev->device_flags & SMS_DEVICE_FAMILY2) { | |
785 | if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_RAW_TUNER) { | |
786 | printk(KERN_INFO "%s invalid mode specified %d\n", | |
787 | __func__, mode); | |
2e5c1ec8 MK |
788 | return -EINVAL; |
789 | } | |
790 | ||
f17407a8 MK |
791 | smscore_registry_setmode(coredev->devpath, mode); |
792 | ||
82237416 | 793 | if (!(coredev->device_flags & SMS_DEVICE_NOT_READY)) { |
2e5c1ec8 | 794 | rc = smscore_detect_mode(coredev); |
82237416 MK |
795 | if (rc < 0) { |
796 | printk(KERN_INFO "%s mode detect failed %d\n", | |
797 | __func__, rc); | |
2e5c1ec8 | 798 | return rc; |
82237416 | 799 | } |
f17407a8 | 800 | } |
2e5c1ec8 | 801 | |
82237416 MK |
802 | if (coredev->mode == mode) { |
803 | printk(KERN_INFO "%s device mode %d already set\n", | |
804 | __func__, mode); | |
2e5c1ec8 MK |
805 | return 0; |
806 | } | |
807 | ||
82237416 MK |
808 | if (!(coredev->modes_supported & (1 << mode))) { |
809 | type = smscore_registry_gettype(coredev->devpath); | |
59bf6b8e MK |
810 | rc = smscore_load_firmware_from_file( |
811 | coredev, smscore_fw_lkup[mode][type], NULL); | |
82237416 | 812 | if (rc < 0) { |
59bf6b8e MK |
813 | printk(KERN_INFO "%s load firmware " |
814 | "failed %d\n", __func__, rc); | |
2e5c1ec8 | 815 | return rc; |
82237416 MK |
816 | } |
817 | } else | |
59bf6b8e MK |
818 | printk(KERN_INFO "%s mode %d supported by running " |
819 | "firmware\n", __func__, mode); | |
2e5c1ec8 | 820 | |
18245e18 MK |
821 | buffer = kmalloc(sizeof(struct SmsMsgData_ST) + |
822 | SMS_DMA_ALIGNMENT, GFP_KERNEL | GFP_DMA); | |
82237416 | 823 | if (buffer) { |
18245e18 MK |
824 | struct SmsMsgData_ST *msg = |
825 | (struct SmsMsgData_ST *) | |
826 | SMS_ALIGN_ADDRESS(buffer); | |
2e5c1ec8 | 827 | |
59bf6b8e | 828 | SMS_INIT_MSG(&msg->xMsgHeader, MSG_SMS_INIT_DEVICE_REQ, |
18245e18 | 829 | sizeof(struct SmsMsgData_ST)); |
2e5c1ec8 MK |
830 | msg->msgData[0] = mode; |
831 | ||
59bf6b8e MK |
832 | rc = smscore_sendrequest_and_wait( |
833 | coredev, msg, msg->xMsgHeader.msgLength, | |
834 | &coredev->init_device_done); | |
2e5c1ec8 MK |
835 | |
836 | kfree(buffer); | |
82237416 | 837 | } else { |
59bf6b8e MK |
838 | printk(KERN_INFO "%s Could not allocate buffer for " |
839 | "init device message.\n", __func__); | |
2e5c1ec8 | 840 | rc = -ENOMEM; |
82237416 MK |
841 | } |
842 | } else { | |
843 | if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) { | |
844 | printk(KERN_INFO "%s invalid mode specified %d\n", | |
845 | __func__, mode); | |
f17407a8 MK |
846 | return -EINVAL; |
847 | } | |
848 | ||
849 | smscore_registry_setmode(coredev->devpath, mode); | |
850 | ||
2e5c1ec8 | 851 | if (coredev->detectmode_handler) |
82237416 MK |
852 | coredev->detectmode_handler(coredev->context, |
853 | &coredev->mode); | |
2e5c1ec8 MK |
854 | |
855 | if (coredev->mode != mode && coredev->setmode_handler) | |
856 | rc = coredev->setmode_handler(coredev->context, mode); | |
857 | } | |
858 | ||
82237416 | 859 | if (rc >= 0) { |
2e5c1ec8 MK |
860 | coredev->mode = mode; |
861 | coredev->device_flags &= ~SMS_DEVICE_NOT_READY; | |
862 | } | |
863 | ||
f17407a8 MK |
864 | if (rc != 0) |
865 | printk(KERN_INFO "%s return error code %d.\n", __func__, rc); | |
2e5c1ec8 MK |
866 | return rc; |
867 | } | |
868 | ||
869 | /** | |
870 | * calls device handler to get current mode of operation | |
871 | * | |
59bf6b8e MK |
872 | * @param coredev pointer to a coredev object returned by |
873 | * smscore_register_device | |
2e5c1ec8 MK |
874 | * |
875 | * @return current mode | |
876 | */ | |
18245e18 | 877 | int smscore_get_device_mode(struct smscore_device_t *coredev) |
2e5c1ec8 MK |
878 | { |
879 | return coredev->mode; | |
880 | } | |
881 | ||
f17407a8 MK |
882 | /** |
883 | * find client by response id & type within the clients list. | |
884 | * return client handle or NULL. | |
885 | * | |
59bf6b8e MK |
886 | * @param coredev pointer to a coredev object returned by |
887 | * smscore_register_device | |
f17407a8 | 888 | * @param data_type client data type (SMS_DONT_CARE for all types) |
82237416 | 889 | * @param id client id (SMS_DONT_CARE for all id) |
f17407a8 MK |
890 | * |
891 | */ | |
18245e18 | 892 | struct smscore_client_t *smscore_find_client(struct smscore_device_t *coredev, |
59bf6b8e | 893 | int data_type, int id) |
2e5c1ec8 | 894 | { |
18245e18 | 895 | struct smscore_client_t *client = NULL; |
2e5c1ec8 MK |
896 | struct list_head *next, *first; |
897 | unsigned long flags; | |
f17407a8 | 898 | struct list_head *firstid, *nextid; |
2e5c1ec8 | 899 | |
2e5c1ec8 MK |
900 | |
901 | spin_lock_irqsave(&coredev->clientslock, flags); | |
2e5c1ec8 | 902 | first = &coredev->clients; |
82237416 MK |
903 | for (next = first->next; |
904 | (next != first) && !client; | |
905 | next = next->next) { | |
18245e18 | 906 | firstid = &((struct smscore_client_t *)next)->idlist; |
82237416 MK |
907 | for (nextid = firstid->next; |
908 | nextid != firstid; | |
909 | nextid = nextid->next) { | |
18245e18 MK |
910 | if ((((struct smscore_idlist_t *)nextid)->id == id) && |
911 | (((struct smscore_idlist_t *)nextid)->data_type == data_type || | |
912 | (((struct smscore_idlist_t *)nextid)->data_type == 0))) { | |
913 | client = (struct smscore_client_t *) next; | |
82237416 MK |
914 | break; |
915 | } | |
2e5c1ec8 MK |
916 | } |
917 | } | |
2e5c1ec8 | 918 | spin_unlock_irqrestore(&coredev->clientslock, flags); |
2e5c1ec8 MK |
919 | return client; |
920 | } | |
921 | ||
922 | /** | |
923 | * find client by response id/type, call clients onresponse handler | |
924 | * return buffer to pool on error | |
925 | * | |
59bf6b8e MK |
926 | * @param coredev pointer to a coredev object returned by |
927 | * smscore_register_device | |
2e5c1ec8 MK |
928 | * @param cb pointer to response buffer descriptor |
929 | * | |
930 | */ | |
18245e18 MK |
931 | void smscore_onresponse(struct smscore_device_t *coredev, |
932 | struct smscore_buffer_t *cb) | |
2e5c1ec8 | 933 | { |
18245e18 MK |
934 | struct SmsMsgHdr_ST *phdr = |
935 | (struct SmsMsgHdr_ST *)((u8 *) cb->p + cb->offset); | |
936 | struct smscore_client_t *client = | |
59bf6b8e | 937 | smscore_find_client(coredev, phdr->msgType, phdr->msgDstId); |
2e5c1ec8 MK |
938 | int rc = -EBUSY; |
939 | ||
fbd05c82 MK |
940 | static unsigned long last_sample_time; /* = 0; */ |
941 | static int data_total; /* = 0; */ | |
2e5c1ec8 MK |
942 | unsigned long time_now = jiffies_to_msecs(jiffies); |
943 | ||
944 | if (!last_sample_time) | |
945 | last_sample_time = time_now; | |
946 | ||
fa830e8a | 947 | if (time_now - last_sample_time > 10000) { |
9f211397 | 948 | printk(KERN_DEBUG "\n%s data rate %d bytes/secs\n", __func__, |
82237416 MK |
949 | (int)((data_total * 1000) / |
950 | (time_now - last_sample_time))); | |
2e5c1ec8 MK |
951 | |
952 | last_sample_time = time_now; | |
953 | data_total = 0; | |
954 | } | |
955 | ||
956 | data_total += cb->size; | |
82237416 MK |
957 | /* If no client registered for type & id, |
958 | * check for control client where type is not registered */ | |
2e5c1ec8 MK |
959 | if (client) |
960 | rc = client->onresponse_handler(client->context, cb); | |
961 | ||
82237416 MK |
962 | if (rc < 0) { |
963 | switch (phdr->msgType) { | |
964 | case MSG_SMS_GET_VERSION_EX_RES: | |
2e5c1ec8 | 965 | { |
18245e18 MK |
966 | struct SmsVersionRes_ST *ver = |
967 | (struct SmsVersionRes_ST *) phdr; | |
9f211397 MK |
968 | printk(KERN_DEBUG "%s: MSG_SMS_GET_VERSION_EX_RES " |
969 | "id %d prots 0x%x ver %d.%d\n", __func__, | |
82237416 MK |
970 | ver->FirmwareId, ver->SupportedProtocols, |
971 | ver->RomVersionMajor, ver->RomVersionMinor); | |
2e5c1ec8 | 972 | |
82237416 MK |
973 | coredev->mode = ver->FirmwareId == 255 ? |
974 | DEVICE_MODE_NONE : ver->FirmwareId; | |
975 | coredev->modes_supported = ver->SupportedProtocols; | |
2e5c1ec8 | 976 | |
82237416 MK |
977 | complete(&coredev->version_ex_done); |
978 | break; | |
979 | } | |
980 | case MSG_SMS_INIT_DEVICE_RES: | |
9f211397 MK |
981 | printk(KERN_DEBUG "%s: MSG_SMS_INIT_DEVICE_RES\n", |
982 | __func__); | |
82237416 MK |
983 | complete(&coredev->init_device_done); |
984 | break; | |
985 | case MSG_SW_RELOAD_START_RES: | |
9f211397 MK |
986 | printk(KERN_DEBUG "%s: MSG_SW_RELOAD_START_RES\n", |
987 | __func__); | |
82237416 MK |
988 | complete(&coredev->reload_start_done); |
989 | break; | |
990 | case MSG_SMS_DATA_DOWNLOAD_RES: | |
991 | complete(&coredev->data_download_done); | |
992 | break; | |
993 | case MSG_SW_RELOAD_EXEC_RES: | |
9f211397 MK |
994 | printk(KERN_DEBUG "%s: MSG_SW_RELOAD_EXEC_RES\n", |
995 | __func__); | |
82237416 MK |
996 | break; |
997 | case MSG_SMS_SWDOWNLOAD_TRIGGER_RES: | |
ca783736 MK |
998 | printk(KERN_DEBUG |
999 | "%s: MSG_SMS_SWDOWNLOAD_TRIGGER_RES\n", | |
82237416 MK |
1000 | __func__); |
1001 | complete(&coredev->trigger_done); | |
1002 | break; | |
1003 | case MSG_SMS_SLEEP_RESUME_COMP_IND: | |
1004 | complete(&coredev->resume_done); | |
1005 | break; | |
1006 | default: | |
1007 | break; | |
2e5c1ec8 | 1008 | } |
2e5c1ec8 MK |
1009 | smscore_putbuffer(coredev, cb); |
1010 | } | |
1011 | } | |
1012 | ||
1013 | /** | |
1014 | * return pointer to next free buffer descriptor from core pool | |
1015 | * | |
59bf6b8e MK |
1016 | * @param coredev pointer to a coredev object returned by |
1017 | * smscore_register_device | |
2e5c1ec8 MK |
1018 | * |
1019 | * @return pointer to descriptor on success, NULL on error. | |
1020 | */ | |
18245e18 | 1021 | struct smscore_buffer_t *smscore_getbuffer(struct smscore_device_t *coredev) |
2e5c1ec8 | 1022 | { |
18245e18 | 1023 | struct smscore_buffer_t *cb = NULL; |
2e5c1ec8 MK |
1024 | unsigned long flags; |
1025 | ||
1026 | spin_lock_irqsave(&coredev->bufferslock, flags); | |
1027 | ||
82237416 | 1028 | if (!list_empty(&coredev->buffers)) { |
18245e18 | 1029 | cb = (struct smscore_buffer_t *) coredev->buffers.next; |
2e5c1ec8 MK |
1030 | list_del(&cb->entry); |
1031 | } | |
1032 | ||
1033 | spin_unlock_irqrestore(&coredev->bufferslock, flags); | |
1034 | ||
1035 | return cb; | |
1036 | } | |
1037 | ||
1038 | /** | |
1039 | * return buffer descriptor to a pool | |
1040 | * | |
59bf6b8e MK |
1041 | * @param coredev pointer to a coredev object returned by |
1042 | * smscore_register_device | |
2e5c1ec8 MK |
1043 | * @param cb pointer buffer descriptor |
1044 | * | |
1045 | */ | |
18245e18 MK |
1046 | void smscore_putbuffer(struct smscore_device_t *coredev, |
1047 | struct smscore_buffer_t *cb) | |
2e5c1ec8 MK |
1048 | { |
1049 | list_add_locked(&cb->entry, &coredev->buffers, &coredev->bufferslock); | |
1050 | } | |
1051 | ||
18245e18 MK |
1052 | int smscore_validate_client(struct smscore_device_t *coredev, |
1053 | struct smscore_client_t *client, | |
1054 | int data_type, int id) | |
2e5c1ec8 | 1055 | { |
18245e18 MK |
1056 | struct smscore_idlist_t *listentry; |
1057 | struct smscore_client_t *registered_client; | |
2e5c1ec8 | 1058 | |
82237416 | 1059 | if (!client) { |
f17407a8 MK |
1060 | PERROR("bad parameter.\n"); |
1061 | return -EFAULT; | |
1062 | } | |
1063 | registered_client = smscore_find_client(coredev, data_type, id); | |
fa830e8a | 1064 | if (registered_client == client) |
2e5c1ec8 | 1065 | return 0; |
fa830e8a | 1066 | |
82237416 | 1067 | if (registered_client) { |
f17407a8 MK |
1068 | PERROR("The msg ID already registered to another client.\n"); |
1069 | return -EEXIST; | |
1070 | } | |
18245e18 | 1071 | listentry = kzalloc(sizeof(struct smscore_idlist_t), GFP_KERNEL); |
82237416 | 1072 | if (!listentry) { |
f17407a8 | 1073 | PERROR("Can't allocate memory for client id.\n"); |
2e5c1ec8 | 1074 | return -ENOMEM; |
f17407a8 MK |
1075 | } |
1076 | listentry->id = id; | |
1077 | listentry->data_type = data_type; | |
82237416 MK |
1078 | list_add_locked(&listentry->entry, &client->idlist, |
1079 | &coredev->clientslock); | |
2e5c1ec8 MK |
1080 | return 0; |
1081 | } | |
1082 | ||
1083 | /** | |
1084 | * creates smsclient object, check that id is taken by another client | |
1085 | * | |
1086 | * @param coredev pointer to a coredev object from clients hotplug | |
1087 | * @param initial_id all messages with this id would be sent to this client | |
1088 | * @param data_type all messages of this type would be sent to this client | |
ca783736 MK |
1089 | * @param onresponse_handler client handler that is called to |
1090 | * process incoming messages | |
2e5c1ec8 MK |
1091 | * @param onremove_handler client handler that is called when device is removed |
1092 | * @param context client-specific context | |
1093 | * @param client pointer to a value that receives created smsclient object | |
1094 | * | |
1095 | * @return 0 on success, <0 on error. | |
1096 | */ | |
18245e18 MK |
1097 | int smscore_register_client(struct smscore_device_t *coredev, |
1098 | struct smsclient_params_t *params, | |
1099 | struct smscore_client_t **client) | |
2e5c1ec8 | 1100 | { |
18245e18 | 1101 | struct smscore_client_t *newclient; |
82237416 MK |
1102 | /* check that no other channel with same parameters exists */ |
1103 | if (smscore_find_client(coredev, params->data_type, | |
1104 | params->initial_id)) { | |
f17407a8 | 1105 | PERROR("Client already exist.\n"); |
2e5c1ec8 | 1106 | return -EEXIST; |
f17407a8 | 1107 | } |
2e5c1ec8 | 1108 | |
18245e18 | 1109 | newclient = kzalloc(sizeof(struct smscore_client_t), GFP_KERNEL); |
82237416 | 1110 | if (!newclient) { |
f17407a8 MK |
1111 | PERROR("Failed to allocate memory for client.\n"); |
1112 | return -ENOMEM; | |
2e5c1ec8 MK |
1113 | } |
1114 | ||
82237416 | 1115 | INIT_LIST_HEAD(&newclient->idlist); |
2e5c1ec8 | 1116 | newclient->coredev = coredev; |
2e5c1ec8 MK |
1117 | newclient->onresponse_handler = params->onresponse_handler; |
1118 | newclient->onremove_handler = params->onremove_handler; | |
1119 | newclient->context = params->context; | |
82237416 MK |
1120 | list_add_locked(&newclient->entry, &coredev->clients, |
1121 | &coredev->clientslock); | |
1122 | smscore_validate_client(coredev, newclient, params->data_type, | |
1123 | params->initial_id); | |
2e5c1ec8 | 1124 | *client = newclient; |
82237416 MK |
1125 | PDEBUG("%p %d %d\n", params->context, params->data_type, |
1126 | params->initial_id); | |
2e5c1ec8 MK |
1127 | |
1128 | return 0; | |
1129 | } | |
1130 | ||
1131 | /** | |
1132 | * frees smsclient object and all subclients associated with it | |
1133 | * | |
59bf6b8e MK |
1134 | * @param client pointer to smsclient object returned by |
1135 | * smscore_register_client | |
2e5c1ec8 MK |
1136 | * |
1137 | */ | |
18245e18 | 1138 | void smscore_unregister_client(struct smscore_client_t *client) |
2e5c1ec8 | 1139 | { |
18245e18 | 1140 | struct smscore_device_t *coredev = client->coredev; |
2e5c1ec8 MK |
1141 | unsigned long flags; |
1142 | ||
1143 | spin_lock_irqsave(&coredev->clientslock, flags); | |
1144 | ||
2e5c1ec8 | 1145 | |
82237416 | 1146 | while (!list_empty(&client->idlist)) { |
18245e18 MK |
1147 | struct smscore_idlist_t *identry = |
1148 | (struct smscore_idlist_t *) client->idlist.next; | |
82237416 MK |
1149 | list_del(&identry->entry); |
1150 | kfree(identry); | |
2e5c1ec8 MK |
1151 | } |
1152 | ||
f17407a8 | 1153 | printk(KERN_INFO "%s %p\n", __func__, client->context); |
2e5c1ec8 MK |
1154 | |
1155 | list_del(&client->entry); | |
1156 | kfree(client); | |
1157 | ||
1158 | spin_unlock_irqrestore(&coredev->clientslock, flags); | |
1159 | } | |
1160 | ||
1161 | /** | |
1162 | * verifies that source id is not taken by another client, | |
1163 | * calls device handler to send requests to the device | |
1164 | * | |
59bf6b8e MK |
1165 | * @param client pointer to smsclient object returned by |
1166 | * smscore_register_client | |
2e5c1ec8 MK |
1167 | * @param buffer pointer to a request buffer |
1168 | * @param size size (in bytes) of request buffer | |
1169 | * | |
1170 | * @return 0 on success, <0 on error. | |
1171 | */ | |
18245e18 MK |
1172 | int smsclient_sendrequest(struct smscore_client_t *client, |
1173 | void *buffer, size_t size) | |
2e5c1ec8 | 1174 | { |
18245e18 MK |
1175 | struct smscore_device_t *coredev; |
1176 | struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) buffer; | |
f17407a8 MK |
1177 | int rc; |
1178 | ||
82237416 MK |
1179 | if (client == NULL) { |
1180 | printk(KERN_ERR "%s Got NULL client\n", __func__); | |
f17407a8 MK |
1181 | return -EINVAL; |
1182 | } | |
1183 | ||
1184 | coredev = client->coredev; | |
2e5c1ec8 | 1185 | |
82237416 MK |
1186 | /* check that no other channel with same id exists */ |
1187 | if (coredev == NULL) { | |
1188 | printk(KERN_ERR "%s Got NULL coredev\n", __func__); | |
f17407a8 MK |
1189 | return -EINVAL; |
1190 | } | |
1191 | ||
82237416 MK |
1192 | rc = smscore_validate_client(client->coredev, client, 0, |
1193 | phdr->msgSrcId); | |
2e5c1ec8 MK |
1194 | if (rc < 0) |
1195 | return rc; | |
1196 | ||
1197 | return coredev->sendrequest_handler(coredev->context, buffer, size); | |
1198 | } | |
1199 | ||
1200 | /** | |
1201 | * return the size of large (common) buffer | |
1202 | * | |
1203 | * @param coredev pointer to a coredev object from clients hotplug | |
1204 | * | |
1205 | * @return size (in bytes) of the buffer | |
1206 | */ | |
18245e18 | 1207 | int smscore_get_common_buffer_size(struct smscore_device_t *coredev) |
2e5c1ec8 MK |
1208 | { |
1209 | return coredev->common_buffer_size; | |
1210 | } | |
1211 | ||
1212 | /** | |
1213 | * maps common buffer (if supported by platform) | |
1214 | * | |
1215 | * @param coredev pointer to a coredev object from clients hotplug | |
1216 | * @param vma pointer to vma struct from mmap handler | |
1217 | * | |
1218 | * @return 0 on success, <0 on error. | |
1219 | */ | |
18245e18 | 1220 | int smscore_map_common_buffer(struct smscore_device_t *coredev, |
a83ccdd6 | 1221 | struct vm_area_struct *vma) |
2e5c1ec8 | 1222 | { |
82237416 MK |
1223 | unsigned long end = vma->vm_end, |
1224 | start = vma->vm_start, | |
1225 | size = PAGE_ALIGN(coredev->common_buffer_size); | |
2e5c1ec8 | 1226 | |
82237416 MK |
1227 | if (!(vma->vm_flags & (VM_READ | VM_SHARED)) || |
1228 | (vma->vm_flags & VM_WRITE)) { | |
18658117 | 1229 | printk(KERN_INFO "%s invalid vm flags\n", __func__); |
2e5c1ec8 MK |
1230 | return -EINVAL; |
1231 | } | |
1232 | ||
82237416 MK |
1233 | if ((end - start) != size) { |
1234 | printk(KERN_INFO "%s invalid size %d expected %d\n", | |
1235 | __func__, (int)(end - start), (int) size); | |
2e5c1ec8 MK |
1236 | return -EINVAL; |
1237 | } | |
1238 | ||
82237416 MK |
1239 | if (remap_pfn_range(vma, start, |
1240 | coredev->common_buffer_phys >> PAGE_SHIFT, | |
df0462e7 | 1241 | size, pgprot_noncached(vma->vm_page_prot))) { |
18658117 | 1242 | printk(KERN_INFO "%s remap_page_range failed\n", __func__); |
2e5c1ec8 MK |
1243 | return -EAGAIN; |
1244 | } | |
1245 | ||
1246 | return 0; | |
1247 | } | |
1248 | ||
1249 | int smscore_module_init(void) | |
1250 | { | |
c6465799 | 1251 | int rc = 0; |
2e5c1ec8 MK |
1252 | |
1253 | INIT_LIST_HEAD(&g_smscore_notifyees); | |
1254 | INIT_LIST_HEAD(&g_smscore_devices); | |
1255 | kmutex_init(&g_smscore_deviceslock); | |
1256 | ||
1257 | INIT_LIST_HEAD(&g_smscore_registry); | |
1258 | kmutex_init(&g_smscore_registrylock); | |
1259 | ||
eae55660 ST |
1260 | /* USB Register */ |
1261 | rc = smsusb_register(); | |
1262 | ||
1263 | /* DVB Register */ | |
1264 | rc = smsdvb_register(); | |
1265 | ||
18658117 | 1266 | printk(KERN_INFO "%s, rc %d\n", __func__, rc); |
2e5c1ec8 MK |
1267 | |
1268 | return rc; | |
1269 | } | |
1270 | ||
1271 | void smscore_module_exit(void) | |
1272 | { | |
eae55660 | 1273 | |
2e5c1ec8 | 1274 | kmutex_lock(&g_smscore_deviceslock); |
82237416 | 1275 | while (!list_empty(&g_smscore_notifyees)) { |
18245e18 MK |
1276 | struct smscore_device_notifyee_t *notifyee = |
1277 | (struct smscore_device_notifyee_t *) | |
1278 | g_smscore_notifyees.next; | |
2e5c1ec8 MK |
1279 | |
1280 | list_del(¬ifyee->entry); | |
1281 | kfree(notifyee); | |
1282 | } | |
1283 | kmutex_unlock(&g_smscore_deviceslock); | |
1284 | ||
1285 | kmutex_lock(&g_smscore_registrylock); | |
82237416 | 1286 | while (!list_empty(&g_smscore_registry)) { |
18245e18 MK |
1287 | struct smscore_registry_entry_t *entry = |
1288 | (struct smscore_registry_entry_t *) | |
1289 | g_smscore_registry.next; | |
2e5c1ec8 MK |
1290 | |
1291 | list_del(&entry->entry); | |
1292 | kfree(entry); | |
1293 | } | |
1294 | kmutex_unlock(&g_smscore_registrylock); | |
1295 | ||
eae55660 ST |
1296 | /* DVB UnRegister */ |
1297 | smsdvb_unregister(); | |
1298 | ||
1299 | /* Unregister USB */ | |
1300 | smsusb_unregister(); | |
1301 | ||
18658117 | 1302 | printk(KERN_INFO "%s\n", __func__); |
2e5c1ec8 MK |
1303 | } |
1304 | ||
1305 | module_init(smscore_module_init); | |
1306 | module_exit(smscore_module_exit); | |
1307 | ||
1308 | MODULE_DESCRIPTION("smscore"); | |
82237416 | 1309 | MODULE_AUTHOR("Siano Mobile Silicon,,, (doronc@siano-ms.com)"); |
2e5c1ec8 | 1310 | MODULE_LICENSE("GPL"); |