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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 | 36 | #define PERROR(fmt, args...)\ |
068d6c0f | 37 | sms_err("smscore error: line %d- %s(): " fmt, \ |
82237416 | 38 | __LINE__, __func__, ## args) |
f17407a8 MK |
39 | |
40 | #ifdef SMSCORE_DEBUG | |
f17407a8 | 41 | #undef PWARNING |
068d6c0f | 42 | # define PWARNING(fmt, args...) sms_info("smscore warning: " \ |
82237416 MK |
43 | "line %d- %s(): " fmt, \ |
44 | __LINE__, __func__, ## args) | |
f17407a8 | 45 | #undef PDEBUG /* undef it, just in case */ |
068d6c0f | 46 | # define PDEBUG(fmt, args...) sms_info("smscore - %s(): " fmt, \ |
82237416 | 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 | 159 | } else |
a0c0abcb | 160 | sms_err("failed to create smscore_registry."); |
2e5c1ec8 | 161 | kmutex_unlock(&g_smscore_registrylock); |
f17407a8 MK |
162 | return entry; |
163 | } | |
2e5c1ec8 | 164 | |
82237416 | 165 | int smscore_registry_getmode(char *devpath) |
f17407a8 | 166 | { |
18245e18 | 167 | struct smscore_registry_entry_t *entry; |
f17407a8 | 168 | |
82237416 MK |
169 | entry = smscore_find_registry(devpath); |
170 | if (entry) | |
f17407a8 | 171 | return entry->mode; |
f17407a8 | 172 | else |
a0c0abcb | 173 | sms_err("No registry found."); |
82237416 | 174 | |
2e5c1ec8 MK |
175 | return default_mode; |
176 | } | |
177 | ||
18245e18 | 178 | enum sms_device_type_st smscore_registry_gettype(char *devpath) |
2e5c1ec8 | 179 | { |
18245e18 | 180 | struct smscore_registry_entry_t *entry; |
2e5c1ec8 | 181 | |
82237416 MK |
182 | entry = smscore_find_registry(devpath); |
183 | if (entry) | |
f17407a8 | 184 | return entry->type; |
f17407a8 | 185 | else |
a0c0abcb | 186 | sms_err("No registry found."); |
82237416 | 187 | |
f17407a8 MK |
188 | return -1; |
189 | } | |
2e5c1ec8 | 190 | |
82237416 MK |
191 | void smscore_registry_setmode(char *devpath, int mode) |
192 | { | |
18245e18 | 193 | struct smscore_registry_entry_t *entry; |
2e5c1ec8 | 194 | |
82237416 MK |
195 | entry = smscore_find_registry(devpath); |
196 | if (entry) | |
197 | entry->mode = mode; | |
f17407a8 | 198 | else |
a0c0abcb | 199 | sms_err("No registry found."); |
82237416 | 200 | } |
2e5c1ec8 | 201 | |
18245e18 | 202 | void smscore_registry_settype(char *devpath, enum sms_device_type_st type) |
f17407a8 | 203 | { |
18245e18 | 204 | struct smscore_registry_entry_t *entry; |
f17407a8 | 205 | |
82237416 MK |
206 | entry = smscore_find_registry(devpath); |
207 | if (entry) | |
f17407a8 | 208 | entry->type = type; |
f17407a8 | 209 | else |
a0c0abcb | 210 | sms_err("No registry found."); |
2e5c1ec8 MK |
211 | } |
212 | ||
213 | ||
a83ccdd6 | 214 | void list_add_locked(struct list_head *new, struct list_head *head, |
82237416 | 215 | spinlock_t *lock) |
2e5c1ec8 MK |
216 | { |
217 | unsigned long flags; | |
218 | ||
219 | spin_lock_irqsave(lock, flags); | |
220 | ||
221 | list_add(new, head); | |
222 | ||
223 | spin_unlock_irqrestore(lock, flags); | |
224 | } | |
225 | ||
226 | /** | |
227 | * register a client callback that called when device plugged in/unplugged | |
228 | * NOTE: if devices exist callback is called immediately for each device | |
229 | * | |
230 | * @param hotplug callback | |
231 | * | |
232 | * @return 0 on success, <0 on error. | |
233 | */ | |
234 | int smscore_register_hotplug(hotplug_t hotplug) | |
235 | { | |
18245e18 | 236 | struct smscore_device_notifyee_t *notifyee; |
2e5c1ec8 MK |
237 | struct list_head *next, *first; |
238 | int rc = 0; | |
239 | ||
240 | kmutex_lock(&g_smscore_deviceslock); | |
241 | ||
18245e18 MK |
242 | notifyee = kmalloc(sizeof(struct smscore_device_notifyee_t), |
243 | GFP_KERNEL); | |
82237416 MK |
244 | if (notifyee) { |
245 | /* now notify callback about existing devices */ | |
2e5c1ec8 | 246 | first = &g_smscore_devices; |
82237416 MK |
247 | for (next = first->next; |
248 | next != first && !rc; | |
249 | next = next->next) { | |
18245e18 MK |
250 | struct smscore_device_t *coredev = |
251 | (struct smscore_device_t *) next; | |
2e5c1ec8 MK |
252 | rc = hotplug(coredev, coredev->device, 1); |
253 | } | |
254 | ||
82237416 | 255 | if (rc >= 0) { |
2e5c1ec8 MK |
256 | notifyee->hotplug = hotplug; |
257 | list_add(¬ifyee->entry, &g_smscore_notifyees); | |
82237416 | 258 | } else |
2e5c1ec8 | 259 | kfree(notifyee); |
82237416 | 260 | } else |
2e5c1ec8 MK |
261 | rc = -ENOMEM; |
262 | ||
263 | kmutex_unlock(&g_smscore_deviceslock); | |
264 | ||
265 | return rc; | |
266 | } | |
267 | ||
268 | /** | |
269 | * unregister a client callback that called when device plugged in/unplugged | |
270 | * | |
271 | * @param hotplug callback | |
272 | * | |
273 | */ | |
274 | void smscore_unregister_hotplug(hotplug_t hotplug) | |
275 | { | |
276 | struct list_head *next, *first; | |
277 | ||
278 | kmutex_lock(&g_smscore_deviceslock); | |
279 | ||
280 | first = &g_smscore_notifyees; | |
281 | ||
82237416 | 282 | for (next = first->next; next != first;) { |
18245e18 MK |
283 | struct smscore_device_notifyee_t *notifyee = |
284 | (struct smscore_device_notifyee_t *) next; | |
2e5c1ec8 MK |
285 | next = next->next; |
286 | ||
82237416 | 287 | if (notifyee->hotplug == hotplug) { |
2e5c1ec8 MK |
288 | list_del(¬ifyee->entry); |
289 | kfree(notifyee); | |
290 | } | |
291 | } | |
292 | ||
293 | kmutex_unlock(&g_smscore_deviceslock); | |
294 | } | |
295 | ||
18245e18 | 296 | void smscore_notify_clients(struct smscore_device_t *coredev) |
2e5c1ec8 | 297 | { |
18245e18 | 298 | struct smscore_client_t *client; |
2e5c1ec8 | 299 | |
82237416 MK |
300 | /* the client must call smscore_unregister_client from remove handler */ |
301 | while (!list_empty(&coredev->clients)) { | |
18245e18 | 302 | client = (struct smscore_client_t *) coredev->clients.next; |
2e5c1ec8 MK |
303 | client->onremove_handler(client->context); |
304 | } | |
305 | } | |
306 | ||
18245e18 MK |
307 | int smscore_notify_callbacks(struct smscore_device_t *coredev, |
308 | struct device *device, int arrival) | |
2e5c1ec8 MK |
309 | { |
310 | struct list_head *next, *first; | |
311 | int rc = 0; | |
312 | ||
82237416 | 313 | /* note: must be called under g_deviceslock */ |
2e5c1ec8 MK |
314 | |
315 | first = &g_smscore_notifyees; | |
316 | ||
82237416 | 317 | for (next = first->next; next != first; next = next->next) { |
18245e18 | 318 | rc = ((struct smscore_device_notifyee_t *) next)-> |
59bf6b8e | 319 | hotplug(coredev, device, arrival); |
2e5c1ec8 MK |
320 | if (rc < 0) |
321 | break; | |
322 | } | |
323 | ||
324 | return rc; | |
325 | } | |
326 | ||
18245e18 | 327 | struct smscore_buffer_t *smscore_createbuffer(u8 *buffer, void *common_buffer, |
a83ccdd6 | 328 | dma_addr_t common_buffer_phys) |
2e5c1ec8 | 329 | { |
18245e18 MK |
330 | struct smscore_buffer_t *cb = |
331 | kmalloc(sizeof(struct smscore_buffer_t), GFP_KERNEL); | |
82237416 | 332 | if (!cb) { |
a0c0abcb | 333 | sms_info("kmalloc(...) failed"); |
2e5c1ec8 MK |
334 | return NULL; |
335 | } | |
336 | ||
337 | cb->p = buffer; | |
494d24c5 | 338 | cb->offset_in_common = buffer - (u8 *) common_buffer; |
2e5c1ec8 MK |
339 | cb->phys = common_buffer_phys + cb->offset_in_common; |
340 | ||
341 | return cb; | |
342 | } | |
343 | ||
344 | /** | |
82237416 MK |
345 | * creates coredev object for a device, prepares buffers, |
346 | * creates buffer mappings, notifies registered hotplugs about new device. | |
2e5c1ec8 | 347 | * |
59bf6b8e MK |
348 | * @param params device pointer to struct with device specific parameters |
349 | * and handlers | |
2e5c1ec8 MK |
350 | * @param coredev pointer to a value that receives created coredev object |
351 | * | |
352 | * @return 0 on success, <0 on error. | |
353 | */ | |
18245e18 MK |
354 | int smscore_register_device(struct smsdevice_params_t *params, |
355 | struct smscore_device_t **coredev) | |
2e5c1ec8 | 356 | { |
18245e18 | 357 | struct smscore_device_t *dev; |
2e5c1ec8 MK |
358 | u8 *buffer; |
359 | ||
18245e18 | 360 | dev = kzalloc(sizeof(struct smscore_device_t), GFP_KERNEL); |
82237416 | 361 | if (!dev) { |
a0c0abcb | 362 | sms_info("kzalloc(...) failed"); |
2e5c1ec8 MK |
363 | return -ENOMEM; |
364 | } | |
365 | ||
82237416 | 366 | /* init list entry so it could be safe in smscore_unregister_device */ |
2e5c1ec8 MK |
367 | INIT_LIST_HEAD(&dev->entry); |
368 | ||
82237416 | 369 | /* init queues */ |
2e5c1ec8 | 370 | INIT_LIST_HEAD(&dev->clients); |
2e5c1ec8 MK |
371 | INIT_LIST_HEAD(&dev->buffers); |
372 | ||
82237416 | 373 | /* init locks */ |
2e5c1ec8 MK |
374 | spin_lock_init(&dev->clientslock); |
375 | spin_lock_init(&dev->bufferslock); | |
376 | ||
82237416 | 377 | /* init completion events */ |
2e5c1ec8 MK |
378 | init_completion(&dev->version_ex_done); |
379 | init_completion(&dev->data_download_done); | |
380 | init_completion(&dev->trigger_done); | |
381 | init_completion(&dev->init_device_done); | |
382 | init_completion(&dev->reload_start_done); | |
383 | init_completion(&dev->resume_done); | |
384 | ||
82237416 | 385 | /* alloc common buffer */ |
2e5c1ec8 | 386 | dev->common_buffer_size = params->buffer_size * params->num_buffers; |
82237416 MK |
387 | dev->common_buffer = dma_alloc_coherent(NULL, dev->common_buffer_size, |
388 | &dev->common_buffer_phys, | |
389 | GFP_KERNEL | GFP_DMA); | |
390 | if (!dev->common_buffer) { | |
2e5c1ec8 MK |
391 | smscore_unregister_device(dev); |
392 | return -ENOMEM; | |
393 | } | |
394 | ||
82237416 MK |
395 | /* prepare dma buffers */ |
396 | for (buffer = dev->common_buffer; | |
397 | dev->num_buffers < params->num_buffers; | |
fa830e8a | 398 | dev->num_buffers++, buffer += params->buffer_size) { |
18245e18 | 399 | struct smscore_buffer_t *cb = |
59bf6b8e MK |
400 | smscore_createbuffer(buffer, dev->common_buffer, |
401 | dev->common_buffer_phys); | |
82237416 | 402 | if (!cb) { |
2e5c1ec8 MK |
403 | smscore_unregister_device(dev); |
404 | return -ENOMEM; | |
405 | } | |
406 | ||
407 | smscore_putbuffer(dev, cb); | |
408 | } | |
409 | ||
a0c0abcb | 410 | sms_info("allocated %d buffers", dev->num_buffers); |
2e5c1ec8 MK |
411 | |
412 | dev->mode = DEVICE_MODE_NONE; | |
413 | dev->context = params->context; | |
414 | dev->device = params->device; | |
415 | dev->setmode_handler = params->setmode_handler; | |
416 | dev->detectmode_handler = params->detectmode_handler; | |
417 | dev->sendrequest_handler = params->sendrequest_handler; | |
418 | dev->preload_handler = params->preload_handler; | |
419 | dev->postload_handler = params->postload_handler; | |
420 | ||
421 | dev->device_flags = params->flags; | |
422 | strcpy(dev->devpath, params->devpath); | |
423 | ||
82237416 | 424 | smscore_registry_settype(dev->devpath, params->device_type); |
f17407a8 | 425 | |
82237416 | 426 | /* add device to devices list */ |
2e5c1ec8 MK |
427 | kmutex_lock(&g_smscore_deviceslock); |
428 | list_add(&dev->entry, &g_smscore_devices); | |
429 | kmutex_unlock(&g_smscore_deviceslock); | |
430 | ||
431 | *coredev = dev; | |
432 | ||
a0c0abcb | 433 | sms_info("device %p created", dev); |
2e5c1ec8 MK |
434 | |
435 | return 0; | |
436 | } | |
437 | ||
438 | /** | |
439 | * sets initial device mode and notifies client hotplugs that device is ready | |
440 | * | |
59bf6b8e MK |
441 | * @param coredev pointer to a coredev object returned by |
442 | * smscore_register_device | |
2e5c1ec8 MK |
443 | * |
444 | * @return 0 on success, <0 on error. | |
445 | */ | |
18245e18 | 446 | int smscore_start_device(struct smscore_device_t *coredev) |
2e5c1ec8 | 447 | { |
59bf6b8e MK |
448 | int rc = smscore_set_device_mode( |
449 | coredev, smscore_registry_getmode(coredev->devpath)); | |
82237416 | 450 | if (rc < 0) { |
a0c0abcb | 451 | sms_info("set device mode faile , rc %d", rc); |
2e5c1ec8 | 452 | return rc; |
f17407a8 | 453 | } |
2e5c1ec8 MK |
454 | |
455 | kmutex_lock(&g_smscore_deviceslock); | |
456 | ||
457 | rc = smscore_notify_callbacks(coredev, coredev->device, 1); | |
458 | ||
a0c0abcb | 459 | sms_info("device %p started, rc %d", coredev, rc); |
2e5c1ec8 MK |
460 | |
461 | kmutex_unlock(&g_smscore_deviceslock); | |
462 | ||
463 | return rc; | |
464 | } | |
465 | ||
18245e18 | 466 | int smscore_sendrequest_and_wait(struct smscore_device_t *coredev, void *buffer, |
82237416 | 467 | size_t size, struct completion *completion) |
2e5c1ec8 MK |
468 | { |
469 | int rc = coredev->sendrequest_handler(coredev->context, buffer, size); | |
82237416 | 470 | if (rc < 0) { |
a0c0abcb | 471 | sms_info("sendrequest returned error %d", rc); |
2e5c1ec8 | 472 | return rc; |
f17407a8 | 473 | } |
2e5c1ec8 | 474 | |
82237416 MK |
475 | return wait_for_completion_timeout(completion, |
476 | msecs_to_jiffies(10000)) ? | |
477 | 0 : -ETIME; | |
2e5c1ec8 MK |
478 | } |
479 | ||
18245e18 MK |
480 | int smscore_load_firmware_family2(struct smscore_device_t *coredev, |
481 | void *buffer, size_t size) | |
2e5c1ec8 | 482 | { |
18245e18 MK |
483 | struct SmsFirmware_ST *firmware = (struct SmsFirmware_ST *) buffer; |
484 | struct SmsMsgHdr_ST *msg; | |
f0333e3d | 485 | u32 mem_address = firmware->StartAddress; |
a83ccdd6 | 486 | u8 *payload = firmware->Payload; |
2e5c1ec8 MK |
487 | int rc = 0; |
488 | ||
a0c0abcb MK |
489 | sms_info("loading FW to addr 0x%x size %d", |
490 | mem_address, firmware->Length); | |
82237416 | 491 | if (coredev->preload_handler) { |
2e5c1ec8 MK |
492 | rc = coredev->preload_handler(coredev->context); |
493 | if (rc < 0) | |
494 | return rc; | |
495 | } | |
496 | ||
82237416 | 497 | /* PAGE_SIZE buffer shall be enough and dma aligned */ |
e080842c | 498 | msg = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA); |
2e5c1ec8 MK |
499 | if (!msg) |
500 | return -ENOMEM; | |
501 | ||
82237416 | 502 | if (coredev->mode != DEVICE_MODE_NONE) { |
a0c0abcb | 503 | PDEBUG("Sending reload command"); |
82237416 | 504 | SMS_INIT_MSG(msg, MSG_SW_RELOAD_START_REQ, |
18245e18 | 505 | sizeof(struct SmsMsgHdr_ST)); |
82237416 MK |
506 | rc = smscore_sendrequest_and_wait(coredev, msg, |
507 | msg->msgLength, | |
508 | &coredev->reload_start_done); | |
f0333e3d | 509 | mem_address = *(u32 *) &payload[20]; |
2e5c1ec8 MK |
510 | } |
511 | ||
fa830e8a | 512 | while (size && rc >= 0) { |
18245e18 MK |
513 | struct SmsDataDownload_ST *DataMsg = |
514 | (struct SmsDataDownload_ST *) msg; | |
2e5c1ec8 MK |
515 | int payload_size = min((int) size, SMS_MAX_PAYLOAD_SIZE); |
516 | ||
82237416 | 517 | SMS_INIT_MSG(msg, MSG_SMS_DATA_DOWNLOAD_REQ, |
18245e18 | 518 | (u16)(sizeof(struct SmsMsgHdr_ST) + |
f0333e3d | 519 | sizeof(u32) + payload_size)); |
2e5c1ec8 MK |
520 | |
521 | DataMsg->MemAddr = mem_address; | |
522 | memcpy(DataMsg->Payload, payload, payload_size); | |
523 | ||
82237416 MK |
524 | if ((coredev->device_flags & SMS_ROM_NO_RESPONSE) && |
525 | (coredev->mode == DEVICE_MODE_NONE)) | |
59bf6b8e MK |
526 | rc = coredev->sendrequest_handler( |
527 | coredev->context, DataMsg, | |
528 | DataMsg->xMsgHeader.msgLength); | |
2e5c1ec8 | 529 | else |
59bf6b8e MK |
530 | rc = smscore_sendrequest_and_wait( |
531 | coredev, DataMsg, | |
532 | DataMsg->xMsgHeader.msgLength, | |
533 | &coredev->data_download_done); | |
2e5c1ec8 MK |
534 | |
535 | payload += payload_size; | |
536 | size -= payload_size; | |
537 | mem_address += payload_size; | |
538 | } | |
539 | ||
82237416 MK |
540 | if (rc >= 0) { |
541 | if (coredev->mode == DEVICE_MODE_NONE) { | |
18245e18 MK |
542 | struct SmsMsgData_ST *TriggerMsg = |
543 | (struct SmsMsgData_ST *) msg; | |
2e5c1ec8 | 544 | |
82237416 | 545 | SMS_INIT_MSG(msg, MSG_SMS_SWDOWNLOAD_TRIGGER_REQ, |
18245e18 | 546 | sizeof(struct SmsMsgHdr_ST) + |
f0333e3d | 547 | sizeof(u32) * 5); |
2e5c1ec8 | 548 | |
59bf6b8e MK |
549 | TriggerMsg->msgData[0] = firmware->StartAddress; |
550 | /* Entry point */ | |
fa830e8a MK |
551 | TriggerMsg->msgData[1] = 5; /* Priority */ |
552 | TriggerMsg->msgData[2] = 0x200; /* Stack size */ | |
553 | TriggerMsg->msgData[3] = 0; /* Parameter */ | |
554 | TriggerMsg->msgData[4] = 4; /* Task ID */ | |
2e5c1ec8 | 555 | |
82237416 | 556 | if (coredev->device_flags & SMS_ROM_NO_RESPONSE) { |
59bf6b8e MK |
557 | rc = coredev->sendrequest_handler( |
558 | coredev->context, TriggerMsg, | |
559 | TriggerMsg->xMsgHeader.msgLength); | |
2e5c1ec8 | 560 | msleep(100); |
82237416 | 561 | } else |
59bf6b8e MK |
562 | rc = smscore_sendrequest_and_wait( |
563 | coredev, TriggerMsg, | |
564 | TriggerMsg->xMsgHeader.msgLength, | |
565 | &coredev->trigger_done); | |
82237416 MK |
566 | } else { |
567 | SMS_INIT_MSG(msg, MSG_SW_RELOAD_EXEC_REQ, | |
18245e18 | 568 | sizeof(struct SmsMsgHdr_ST)); |
2e5c1ec8 | 569 | |
82237416 MK |
570 | rc = coredev->sendrequest_handler(coredev->context, |
571 | msg, msg->msgLength); | |
2e5c1ec8 | 572 | } |
82237416 | 573 | msleep(500); |
2e5c1ec8 MK |
574 | } |
575 | ||
a0c0abcb | 576 | sms_debug("rc=%d, postload=%p ", rc, |
068d6c0f | 577 | coredev->postload_handler); |
2e5c1ec8 MK |
578 | |
579 | kfree(msg); | |
580 | ||
f17407a8 | 581 | return ((rc >= 0) && coredev->postload_handler) ? |
2e5c1ec8 MK |
582 | coredev->postload_handler(coredev->context) : |
583 | rc; | |
584 | } | |
585 | ||
586 | /** | |
587 | * loads specified firmware into a buffer and calls device loadfirmware_handler | |
588 | * | |
59bf6b8e MK |
589 | * @param coredev pointer to a coredev object returned by |
590 | * smscore_register_device | |
2e5c1ec8 MK |
591 | * @param filename null-terminated string specifies firmware file name |
592 | * @param loadfirmware_handler device handler that loads firmware | |
593 | * | |
594 | * @return 0 on success, <0 on error. | |
595 | */ | |
18245e18 MK |
596 | int smscore_load_firmware_from_file(struct smscore_device_t *coredev, |
597 | char *filename, | |
82237416 | 598 | loadfirmware_t loadfirmware_handler) |
2e5c1ec8 MK |
599 | { |
600 | int rc = -ENOENT; | |
2e5c1ec8 | 601 | const struct firmware *fw; |
a83ccdd6 | 602 | u8 *fw_buffer; |
2e5c1ec8 | 603 | |
82237416 MK |
604 | if (loadfirmware_handler == NULL && !(coredev->device_flags & |
605 | SMS_DEVICE_FAMILY2)) | |
2e5c1ec8 MK |
606 | return -EINVAL; |
607 | ||
608 | rc = request_firmware(&fw, filename, coredev->device); | |
82237416 | 609 | if (rc < 0) { |
a0c0abcb | 610 | sms_info("failed to open \"%s\"", filename); |
2e5c1ec8 MK |
611 | return rc; |
612 | } | |
a0c0abcb | 613 | sms_info("read FW %s, size=%d\"", filename, fw->size); |
82237416 MK |
614 | fw_buffer = kmalloc(ALIGN(fw->size, SMS_ALLOC_ALIGNMENT), |
615 | GFP_KERNEL | GFP_DMA); | |
616 | if (fw_buffer) { | |
2e5c1ec8 MK |
617 | memcpy(fw_buffer, fw->data, fw->size); |
618 | ||
619 | rc = (coredev->device_flags & SMS_DEVICE_FAMILY2) ? | |
59bf6b8e MK |
620 | smscore_load_firmware_family2(coredev, |
621 | fw_buffer, | |
622 | fw->size) : | |
623 | loadfirmware_handler(coredev->context, | |
624 | fw_buffer, fw->size); | |
2e5c1ec8 MK |
625 | |
626 | kfree(fw_buffer); | |
82237416 | 627 | } else { |
a0c0abcb | 628 | sms_info("failed to allocate firmware buffer"); |
2e5c1ec8 MK |
629 | rc = -ENOMEM; |
630 | } | |
631 | ||
632 | release_firmware(fw); | |
633 | ||
634 | return rc; | |
635 | } | |
636 | ||
18245e18 MK |
637 | int smscore_load_firmware_from_buffer(struct smscore_device_t *coredev, |
638 | u8 *buffer, int size, int new_mode) | |
f17407a8 | 639 | { |
a0c0abcb | 640 | PERROR("Feature not implemented yet"); |
f17407a8 MK |
641 | return -EFAULT; |
642 | } | |
643 | ||
2e5c1ec8 | 644 | /** |
59bf6b8e MK |
645 | * notifies all clients registered with the device, notifies hotplugs, |
646 | * frees all buffers and coredev object | |
2e5c1ec8 | 647 | * |
59bf6b8e MK |
648 | * @param coredev pointer to a coredev object returned by |
649 | * smscore_register_device | |
2e5c1ec8 MK |
650 | * |
651 | * @return 0 on success, <0 on error. | |
652 | */ | |
18245e18 | 653 | void smscore_unregister_device(struct smscore_device_t *coredev) |
2e5c1ec8 | 654 | { |
18245e18 | 655 | struct smscore_buffer_t *cb; |
2e5c1ec8 | 656 | int num_buffers = 0; |
f17407a8 | 657 | int retry = 0; |
2e5c1ec8 MK |
658 | |
659 | kmutex_lock(&g_smscore_deviceslock); | |
660 | ||
661 | smscore_notify_clients(coredev); | |
662 | smscore_notify_callbacks(coredev, NULL, 0); | |
663 | ||
82237416 MK |
664 | /* at this point all buffers should be back |
665 | * onresponse must no longer be called */ | |
2e5c1ec8 | 666 | |
82237416 MK |
667 | while (1) { |
668 | while ((cb = smscore_getbuffer(coredev))) { | |
2e5c1ec8 | 669 | kfree(cb); |
fa830e8a | 670 | num_buffers++; |
2e5c1ec8 | 671 | } |
2e5c1ec8 MK |
672 | if (num_buffers == coredev->num_buffers) |
673 | break; | |
82237416 | 674 | if (++retry > 10) { |
a0c0abcb MK |
675 | sms_info("exiting although " |
676 | "not all buffers released."); | |
f17407a8 MK |
677 | break; |
678 | } | |
2e5c1ec8 | 679 | |
a0c0abcb | 680 | sms_info("waiting for %d buffer(s)", |
068d6c0f | 681 | coredev->num_buffers - num_buffers); |
2e5c1ec8 MK |
682 | msleep(100); |
683 | } | |
684 | ||
a0c0abcb | 685 | sms_info("freed %d buffers", num_buffers); |
2e5c1ec8 MK |
686 | |
687 | if (coredev->common_buffer) | |
82237416 MK |
688 | dma_free_coherent(NULL, coredev->common_buffer_size, |
689 | coredev->common_buffer, | |
690 | coredev->common_buffer_phys); | |
2e5c1ec8 MK |
691 | |
692 | list_del(&coredev->entry); | |
693 | kfree(coredev); | |
694 | ||
695 | kmutex_unlock(&g_smscore_deviceslock); | |
696 | ||
a0c0abcb | 697 | sms_info("device %p destroyed", coredev); |
2e5c1ec8 MK |
698 | } |
699 | ||
18245e18 | 700 | int smscore_detect_mode(struct smscore_device_t *coredev) |
2e5c1ec8 | 701 | { |
18245e18 | 702 | void *buffer = kmalloc(sizeof(struct SmsMsgHdr_ST) + SMS_DMA_ALIGNMENT, |
82237416 | 703 | GFP_KERNEL | GFP_DMA); |
18245e18 MK |
704 | struct SmsMsgHdr_ST *msg = |
705 | (struct SmsMsgHdr_ST *) SMS_ALIGN_ADDRESS(buffer); | |
2e5c1ec8 MK |
706 | int rc; |
707 | ||
708 | if (!buffer) | |
709 | return -ENOMEM; | |
710 | ||
18245e18 MK |
711 | SMS_INIT_MSG(msg, MSG_SMS_GET_VERSION_EX_REQ, |
712 | sizeof(struct SmsMsgHdr_ST)); | |
2e5c1ec8 | 713 | |
82237416 MK |
714 | rc = smscore_sendrequest_and_wait(coredev, msg, msg->msgLength, |
715 | &coredev->version_ex_done); | |
716 | if (rc == -ETIME) { | |
a0c0abcb | 717 | sms_err("MSG_SMS_GET_VERSION_EX_REQ failed first try"); |
2e5c1ec8 | 718 | |
82237416 MK |
719 | if (wait_for_completion_timeout(&coredev->resume_done, |
720 | msecs_to_jiffies(5000))) { | |
59bf6b8e MK |
721 | rc = smscore_sendrequest_and_wait( |
722 | coredev, msg, msg->msgLength, | |
723 | &coredev->version_ex_done); | |
2e5c1ec8 | 724 | if (rc < 0) |
a0c0abcb MK |
725 | sms_err("MSG_SMS_GET_VERSION_EX_REQ failed " |
726 | "second try, rc %d", rc); | |
82237416 | 727 | } else |
2e5c1ec8 MK |
728 | rc = -ETIME; |
729 | } | |
730 | ||
731 | kfree(buffer); | |
732 | ||
733 | return rc; | |
734 | } | |
735 | ||
82237416 | 736 | char *smscore_fw_lkup[][SMS_NUM_OF_DEVICE_TYPES] = { |
fbd05c82 MK |
737 | /*Stellar NOVA A0 Nova B0 VEGA*/ |
738 | /*DVBT*/ | |
739 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, | |
740 | /*DVBH*/ | |
741 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, | |
742 | /*TDMB*/ | |
743 | {"none", "tdmb_nova_12mhz.inp", "none", "none"}, | |
744 | /*DABIP*/ | |
745 | {"none", "none", "none", "none"}, | |
746 | /*BDA*/ | |
747 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, | |
748 | /*ISDBT*/ | |
749 | {"none", "isdbt_nova_12mhz.inp", "dvb_nova_12mhz.inp", "none"}, | |
750 | /*ISDBTBDA*/ | |
751 | {"none", "isdbt_nova_12mhz.inp", "isdbt_nova_12mhz_b0.inp", "none"}, | |
752 | /*CMMB*/ | |
753 | {"none", "none", "none", "cmmb_vega_12mhz.inp"} | |
2e5c1ec8 MK |
754 | }; |
755 | ||
f17407a8 | 756 | |
2e5c1ec8 MK |
757 | /** |
758 | * calls device handler to change mode of operation | |
759 | * NOTE: stellar/usb may disconnect when changing mode | |
760 | * | |
59bf6b8e MK |
761 | * @param coredev pointer to a coredev object returned by |
762 | * smscore_register_device | |
2e5c1ec8 MK |
763 | * @param mode requested mode of operation |
764 | * | |
765 | * @return 0 on success, <0 on error. | |
766 | */ | |
18245e18 | 767 | int smscore_set_device_mode(struct smscore_device_t *coredev, int mode) |
2e5c1ec8 MK |
768 | { |
769 | void *buffer; | |
770 | int rc = 0; | |
18245e18 | 771 | enum sms_device_type_st type; |
2e5c1ec8 | 772 | |
a0c0abcb | 773 | PDEBUG("set device mode to %d", mode); |
82237416 MK |
774 | if (coredev->device_flags & SMS_DEVICE_FAMILY2) { |
775 | if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_RAW_TUNER) { | |
a0c0abcb | 776 | sms_info("invalid mode specified %d", mode); |
2e5c1ec8 MK |
777 | return -EINVAL; |
778 | } | |
779 | ||
f17407a8 MK |
780 | smscore_registry_setmode(coredev->devpath, mode); |
781 | ||
82237416 | 782 | if (!(coredev->device_flags & SMS_DEVICE_NOT_READY)) { |
2e5c1ec8 | 783 | rc = smscore_detect_mode(coredev); |
82237416 | 784 | if (rc < 0) { |
a0c0abcb | 785 | sms_info("mode detect failed %d", rc); |
2e5c1ec8 | 786 | return rc; |
82237416 | 787 | } |
f17407a8 | 788 | } |
2e5c1ec8 | 789 | |
82237416 | 790 | if (coredev->mode == mode) { |
a0c0abcb | 791 | sms_info("device mode %d already set", mode); |
2e5c1ec8 MK |
792 | return 0; |
793 | } | |
794 | ||
82237416 MK |
795 | if (!(coredev->modes_supported & (1 << mode))) { |
796 | type = smscore_registry_gettype(coredev->devpath); | |
59bf6b8e MK |
797 | rc = smscore_load_firmware_from_file( |
798 | coredev, smscore_fw_lkup[mode][type], NULL); | |
82237416 | 799 | if (rc < 0) { |
a0c0abcb MK |
800 | sms_info("load firmware " |
801 | "failed %d", rc); | |
2e5c1ec8 | 802 | return rc; |
82237416 MK |
803 | } |
804 | } else | |
a0c0abcb MK |
805 | sms_info("mode %d supported by running " |
806 | "firmware", mode); | |
2e5c1ec8 | 807 | |
18245e18 MK |
808 | buffer = kmalloc(sizeof(struct SmsMsgData_ST) + |
809 | SMS_DMA_ALIGNMENT, GFP_KERNEL | GFP_DMA); | |
82237416 | 810 | if (buffer) { |
18245e18 MK |
811 | struct SmsMsgData_ST *msg = |
812 | (struct SmsMsgData_ST *) | |
813 | SMS_ALIGN_ADDRESS(buffer); | |
2e5c1ec8 | 814 | |
59bf6b8e | 815 | SMS_INIT_MSG(&msg->xMsgHeader, MSG_SMS_INIT_DEVICE_REQ, |
18245e18 | 816 | sizeof(struct SmsMsgData_ST)); |
2e5c1ec8 MK |
817 | msg->msgData[0] = mode; |
818 | ||
59bf6b8e MK |
819 | rc = smscore_sendrequest_and_wait( |
820 | coredev, msg, msg->xMsgHeader.msgLength, | |
821 | &coredev->init_device_done); | |
2e5c1ec8 MK |
822 | |
823 | kfree(buffer); | |
82237416 | 824 | } else { |
a0c0abcb MK |
825 | sms_info("Could not allocate buffer for " |
826 | "init device message."); | |
2e5c1ec8 | 827 | rc = -ENOMEM; |
82237416 MK |
828 | } |
829 | } else { | |
830 | if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) { | |
a0c0abcb | 831 | sms_info("invalid mode specified %d", mode); |
f17407a8 MK |
832 | return -EINVAL; |
833 | } | |
834 | ||
835 | smscore_registry_setmode(coredev->devpath, mode); | |
836 | ||
2e5c1ec8 | 837 | if (coredev->detectmode_handler) |
82237416 MK |
838 | coredev->detectmode_handler(coredev->context, |
839 | &coredev->mode); | |
2e5c1ec8 MK |
840 | |
841 | if (coredev->mode != mode && coredev->setmode_handler) | |
842 | rc = coredev->setmode_handler(coredev->context, mode); | |
843 | } | |
844 | ||
82237416 | 845 | if (rc >= 0) { |
2e5c1ec8 MK |
846 | coredev->mode = mode; |
847 | coredev->device_flags &= ~SMS_DEVICE_NOT_READY; | |
848 | } | |
849 | ||
f17407a8 | 850 | if (rc != 0) |
a0c0abcb | 851 | sms_info("return error code %d.", rc); |
2e5c1ec8 MK |
852 | return rc; |
853 | } | |
854 | ||
855 | /** | |
856 | * calls device handler to get current mode of operation | |
857 | * | |
59bf6b8e MK |
858 | * @param coredev pointer to a coredev object returned by |
859 | * smscore_register_device | |
2e5c1ec8 MK |
860 | * |
861 | * @return current mode | |
862 | */ | |
18245e18 | 863 | int smscore_get_device_mode(struct smscore_device_t *coredev) |
2e5c1ec8 MK |
864 | { |
865 | return coredev->mode; | |
866 | } | |
867 | ||
f17407a8 MK |
868 | /** |
869 | * find client by response id & type within the clients list. | |
870 | * return client handle or NULL. | |
871 | * | |
59bf6b8e MK |
872 | * @param coredev pointer to a coredev object returned by |
873 | * smscore_register_device | |
f17407a8 | 874 | * @param data_type client data type (SMS_DONT_CARE for all types) |
82237416 | 875 | * @param id client id (SMS_DONT_CARE for all id) |
f17407a8 MK |
876 | * |
877 | */ | |
18245e18 | 878 | struct smscore_client_t *smscore_find_client(struct smscore_device_t *coredev, |
59bf6b8e | 879 | int data_type, int id) |
2e5c1ec8 | 880 | { |
18245e18 | 881 | struct smscore_client_t *client = NULL; |
2e5c1ec8 MK |
882 | struct list_head *next, *first; |
883 | unsigned long flags; | |
f17407a8 | 884 | struct list_head *firstid, *nextid; |
2e5c1ec8 | 885 | |
2e5c1ec8 MK |
886 | |
887 | spin_lock_irqsave(&coredev->clientslock, flags); | |
2e5c1ec8 | 888 | first = &coredev->clients; |
82237416 MK |
889 | for (next = first->next; |
890 | (next != first) && !client; | |
891 | next = next->next) { | |
18245e18 | 892 | firstid = &((struct smscore_client_t *)next)->idlist; |
82237416 MK |
893 | for (nextid = firstid->next; |
894 | nextid != firstid; | |
895 | nextid = nextid->next) { | |
18245e18 MK |
896 | if ((((struct smscore_idlist_t *)nextid)->id == id) && |
897 | (((struct smscore_idlist_t *)nextid)->data_type == data_type || | |
898 | (((struct smscore_idlist_t *)nextid)->data_type == 0))) { | |
899 | client = (struct smscore_client_t *) next; | |
82237416 MK |
900 | break; |
901 | } | |
2e5c1ec8 MK |
902 | } |
903 | } | |
2e5c1ec8 | 904 | spin_unlock_irqrestore(&coredev->clientslock, flags); |
2e5c1ec8 MK |
905 | return client; |
906 | } | |
907 | ||
908 | /** | |
909 | * find client by response id/type, call clients onresponse handler | |
910 | * return buffer to pool on error | |
911 | * | |
59bf6b8e MK |
912 | * @param coredev pointer to a coredev object returned by |
913 | * smscore_register_device | |
2e5c1ec8 MK |
914 | * @param cb pointer to response buffer descriptor |
915 | * | |
916 | */ | |
18245e18 MK |
917 | void smscore_onresponse(struct smscore_device_t *coredev, |
918 | struct smscore_buffer_t *cb) | |
2e5c1ec8 | 919 | { |
18245e18 MK |
920 | struct SmsMsgHdr_ST *phdr = |
921 | (struct SmsMsgHdr_ST *)((u8 *) cb->p + cb->offset); | |
922 | struct smscore_client_t *client = | |
59bf6b8e | 923 | smscore_find_client(coredev, phdr->msgType, phdr->msgDstId); |
2e5c1ec8 MK |
924 | int rc = -EBUSY; |
925 | ||
fbd05c82 MK |
926 | static unsigned long last_sample_time; /* = 0; */ |
927 | static int data_total; /* = 0; */ | |
2e5c1ec8 MK |
928 | unsigned long time_now = jiffies_to_msecs(jiffies); |
929 | ||
930 | if (!last_sample_time) | |
931 | last_sample_time = time_now; | |
932 | ||
fa830e8a | 933 | if (time_now - last_sample_time > 10000) { |
a0c0abcb | 934 | sms_debug("\ndata rate %d bytes/secs", |
068d6c0f MK |
935 | (int)((data_total * 1000) / |
936 | (time_now - last_sample_time))); | |
2e5c1ec8 MK |
937 | |
938 | last_sample_time = time_now; | |
939 | data_total = 0; | |
940 | } | |
941 | ||
942 | data_total += cb->size; | |
82237416 MK |
943 | /* If no client registered for type & id, |
944 | * check for control client where type is not registered */ | |
2e5c1ec8 MK |
945 | if (client) |
946 | rc = client->onresponse_handler(client->context, cb); | |
947 | ||
82237416 MK |
948 | if (rc < 0) { |
949 | switch (phdr->msgType) { | |
950 | case MSG_SMS_GET_VERSION_EX_RES: | |
2e5c1ec8 | 951 | { |
18245e18 MK |
952 | struct SmsVersionRes_ST *ver = |
953 | (struct SmsVersionRes_ST *) phdr; | |
a0c0abcb MK |
954 | sms_debug("MSG_SMS_GET_VERSION_EX_RES " |
955 | "id %d prots 0x%x ver %d.%d", | |
068d6c0f MK |
956 | ver->FirmwareId, ver->SupportedProtocols, |
957 | ver->RomVersionMajor, ver->RomVersionMinor); | |
2e5c1ec8 | 958 | |
82237416 MK |
959 | coredev->mode = ver->FirmwareId == 255 ? |
960 | DEVICE_MODE_NONE : ver->FirmwareId; | |
961 | coredev->modes_supported = ver->SupportedProtocols; | |
2e5c1ec8 | 962 | |
82237416 MK |
963 | complete(&coredev->version_ex_done); |
964 | break; | |
965 | } | |
966 | case MSG_SMS_INIT_DEVICE_RES: | |
a0c0abcb | 967 | sms_debug("MSG_SMS_INIT_DEVICE_RES"); |
82237416 MK |
968 | complete(&coredev->init_device_done); |
969 | break; | |
970 | case MSG_SW_RELOAD_START_RES: | |
a0c0abcb | 971 | sms_debug("MSG_SW_RELOAD_START_RES"); |
82237416 MK |
972 | complete(&coredev->reload_start_done); |
973 | break; | |
974 | case MSG_SMS_DATA_DOWNLOAD_RES: | |
975 | complete(&coredev->data_download_done); | |
976 | break; | |
977 | case MSG_SW_RELOAD_EXEC_RES: | |
a0c0abcb | 978 | sms_debug("MSG_SW_RELOAD_EXEC_RES"); |
82237416 MK |
979 | break; |
980 | case MSG_SMS_SWDOWNLOAD_TRIGGER_RES: | |
a0c0abcb | 981 | sms_debug("MSG_SMS_SWDOWNLOAD_TRIGGER_RES"); |
82237416 MK |
982 | complete(&coredev->trigger_done); |
983 | break; | |
984 | case MSG_SMS_SLEEP_RESUME_COMP_IND: | |
985 | complete(&coredev->resume_done); | |
986 | break; | |
987 | default: | |
988 | break; | |
2e5c1ec8 | 989 | } |
2e5c1ec8 MK |
990 | smscore_putbuffer(coredev, cb); |
991 | } | |
992 | } | |
993 | ||
994 | /** | |
995 | * return pointer to next free buffer descriptor from core pool | |
996 | * | |
59bf6b8e MK |
997 | * @param coredev pointer to a coredev object returned by |
998 | * smscore_register_device | |
2e5c1ec8 MK |
999 | * |
1000 | * @return pointer to descriptor on success, NULL on error. | |
1001 | */ | |
18245e18 | 1002 | struct smscore_buffer_t *smscore_getbuffer(struct smscore_device_t *coredev) |
2e5c1ec8 | 1003 | { |
18245e18 | 1004 | struct smscore_buffer_t *cb = NULL; |
2e5c1ec8 MK |
1005 | unsigned long flags; |
1006 | ||
1007 | spin_lock_irqsave(&coredev->bufferslock, flags); | |
1008 | ||
82237416 | 1009 | if (!list_empty(&coredev->buffers)) { |
18245e18 | 1010 | cb = (struct smscore_buffer_t *) coredev->buffers.next; |
2e5c1ec8 MK |
1011 | list_del(&cb->entry); |
1012 | } | |
1013 | ||
1014 | spin_unlock_irqrestore(&coredev->bufferslock, flags); | |
1015 | ||
1016 | return cb; | |
1017 | } | |
1018 | ||
1019 | /** | |
1020 | * return buffer descriptor to a pool | |
1021 | * | |
59bf6b8e MK |
1022 | * @param coredev pointer to a coredev object returned by |
1023 | * smscore_register_device | |
2e5c1ec8 MK |
1024 | * @param cb pointer buffer descriptor |
1025 | * | |
1026 | */ | |
18245e18 MK |
1027 | void smscore_putbuffer(struct smscore_device_t *coredev, |
1028 | struct smscore_buffer_t *cb) | |
2e5c1ec8 MK |
1029 | { |
1030 | list_add_locked(&cb->entry, &coredev->buffers, &coredev->bufferslock); | |
1031 | } | |
1032 | ||
18245e18 MK |
1033 | int smscore_validate_client(struct smscore_device_t *coredev, |
1034 | struct smscore_client_t *client, | |
1035 | int data_type, int id) | |
2e5c1ec8 | 1036 | { |
18245e18 MK |
1037 | struct smscore_idlist_t *listentry; |
1038 | struct smscore_client_t *registered_client; | |
2e5c1ec8 | 1039 | |
82237416 | 1040 | if (!client) { |
a0c0abcb | 1041 | PERROR("bad parameter."); |
f17407a8 MK |
1042 | return -EFAULT; |
1043 | } | |
1044 | registered_client = smscore_find_client(coredev, data_type, id); | |
fa830e8a | 1045 | if (registered_client == client) |
2e5c1ec8 | 1046 | return 0; |
fa830e8a | 1047 | |
82237416 | 1048 | if (registered_client) { |
a0c0abcb | 1049 | PERROR("The msg ID already registered to another client."); |
f17407a8 MK |
1050 | return -EEXIST; |
1051 | } | |
18245e18 | 1052 | listentry = kzalloc(sizeof(struct smscore_idlist_t), GFP_KERNEL); |
82237416 | 1053 | if (!listentry) { |
a0c0abcb | 1054 | PERROR("Can't allocate memory for client id."); |
2e5c1ec8 | 1055 | return -ENOMEM; |
f17407a8 MK |
1056 | } |
1057 | listentry->id = id; | |
1058 | listentry->data_type = data_type; | |
82237416 MK |
1059 | list_add_locked(&listentry->entry, &client->idlist, |
1060 | &coredev->clientslock); | |
2e5c1ec8 MK |
1061 | return 0; |
1062 | } | |
1063 | ||
1064 | /** | |
1065 | * creates smsclient object, check that id is taken by another client | |
1066 | * | |
1067 | * @param coredev pointer to a coredev object from clients hotplug | |
1068 | * @param initial_id all messages with this id would be sent to this client | |
1069 | * @param data_type all messages of this type would be sent to this client | |
ca783736 MK |
1070 | * @param onresponse_handler client handler that is called to |
1071 | * process incoming messages | |
2e5c1ec8 MK |
1072 | * @param onremove_handler client handler that is called when device is removed |
1073 | * @param context client-specific context | |
1074 | * @param client pointer to a value that receives created smsclient object | |
1075 | * | |
1076 | * @return 0 on success, <0 on error. | |
1077 | */ | |
18245e18 MK |
1078 | int smscore_register_client(struct smscore_device_t *coredev, |
1079 | struct smsclient_params_t *params, | |
1080 | struct smscore_client_t **client) | |
2e5c1ec8 | 1081 | { |
18245e18 | 1082 | struct smscore_client_t *newclient; |
82237416 MK |
1083 | /* check that no other channel with same parameters exists */ |
1084 | if (smscore_find_client(coredev, params->data_type, | |
1085 | params->initial_id)) { | |
a0c0abcb | 1086 | PERROR("Client already exist."); |
2e5c1ec8 | 1087 | return -EEXIST; |
f17407a8 | 1088 | } |
2e5c1ec8 | 1089 | |
18245e18 | 1090 | newclient = kzalloc(sizeof(struct smscore_client_t), GFP_KERNEL); |
82237416 | 1091 | if (!newclient) { |
a0c0abcb | 1092 | PERROR("Failed to allocate memory for client."); |
f17407a8 | 1093 | return -ENOMEM; |
2e5c1ec8 MK |
1094 | } |
1095 | ||
82237416 | 1096 | INIT_LIST_HEAD(&newclient->idlist); |
2e5c1ec8 | 1097 | newclient->coredev = coredev; |
2e5c1ec8 MK |
1098 | newclient->onresponse_handler = params->onresponse_handler; |
1099 | newclient->onremove_handler = params->onremove_handler; | |
1100 | newclient->context = params->context; | |
82237416 MK |
1101 | list_add_locked(&newclient->entry, &coredev->clients, |
1102 | &coredev->clientslock); | |
1103 | smscore_validate_client(coredev, newclient, params->data_type, | |
1104 | params->initial_id); | |
2e5c1ec8 | 1105 | *client = newclient; |
a0c0abcb | 1106 | PDEBUG("%p %d %d", params->context, params->data_type, |
82237416 | 1107 | params->initial_id); |
2e5c1ec8 MK |
1108 | |
1109 | return 0; | |
1110 | } | |
1111 | ||
1112 | /** | |
1113 | * frees smsclient object and all subclients associated with it | |
1114 | * | |
59bf6b8e MK |
1115 | * @param client pointer to smsclient object returned by |
1116 | * smscore_register_client | |
2e5c1ec8 MK |
1117 | * |
1118 | */ | |
18245e18 | 1119 | void smscore_unregister_client(struct smscore_client_t *client) |
2e5c1ec8 | 1120 | { |
18245e18 | 1121 | struct smscore_device_t *coredev = client->coredev; |
2e5c1ec8 MK |
1122 | unsigned long flags; |
1123 | ||
1124 | spin_lock_irqsave(&coredev->clientslock, flags); | |
1125 | ||
2e5c1ec8 | 1126 | |
82237416 | 1127 | while (!list_empty(&client->idlist)) { |
18245e18 MK |
1128 | struct smscore_idlist_t *identry = |
1129 | (struct smscore_idlist_t *) client->idlist.next; | |
82237416 MK |
1130 | list_del(&identry->entry); |
1131 | kfree(identry); | |
2e5c1ec8 MK |
1132 | } |
1133 | ||
a0c0abcb | 1134 | sms_info("%p", client->context); |
2e5c1ec8 MK |
1135 | |
1136 | list_del(&client->entry); | |
1137 | kfree(client); | |
1138 | ||
1139 | spin_unlock_irqrestore(&coredev->clientslock, flags); | |
1140 | } | |
1141 | ||
1142 | /** | |
1143 | * verifies that source id is not taken by another client, | |
1144 | * calls device handler to send requests to the device | |
1145 | * | |
59bf6b8e MK |
1146 | * @param client pointer to smsclient object returned by |
1147 | * smscore_register_client | |
2e5c1ec8 MK |
1148 | * @param buffer pointer to a request buffer |
1149 | * @param size size (in bytes) of request buffer | |
1150 | * | |
1151 | * @return 0 on success, <0 on error. | |
1152 | */ | |
18245e18 MK |
1153 | int smsclient_sendrequest(struct smscore_client_t *client, |
1154 | void *buffer, size_t size) | |
2e5c1ec8 | 1155 | { |
18245e18 MK |
1156 | struct smscore_device_t *coredev; |
1157 | struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) buffer; | |
f17407a8 MK |
1158 | int rc; |
1159 | ||
82237416 | 1160 | if (client == NULL) { |
a0c0abcb | 1161 | sms_err("Got NULL client"); |
f17407a8 MK |
1162 | return -EINVAL; |
1163 | } | |
1164 | ||
1165 | coredev = client->coredev; | |
2e5c1ec8 | 1166 | |
82237416 MK |
1167 | /* check that no other channel with same id exists */ |
1168 | if (coredev == NULL) { | |
a0c0abcb | 1169 | sms_err("Got NULL coredev"); |
f17407a8 MK |
1170 | return -EINVAL; |
1171 | } | |
1172 | ||
82237416 MK |
1173 | rc = smscore_validate_client(client->coredev, client, 0, |
1174 | phdr->msgSrcId); | |
2e5c1ec8 MK |
1175 | if (rc < 0) |
1176 | return rc; | |
1177 | ||
1178 | return coredev->sendrequest_handler(coredev->context, buffer, size); | |
1179 | } | |
1180 | ||
1181 | /** | |
1182 | * return the size of large (common) buffer | |
1183 | * | |
1184 | * @param coredev pointer to a coredev object from clients hotplug | |
1185 | * | |
1186 | * @return size (in bytes) of the buffer | |
1187 | */ | |
18245e18 | 1188 | int smscore_get_common_buffer_size(struct smscore_device_t *coredev) |
2e5c1ec8 MK |
1189 | { |
1190 | return coredev->common_buffer_size; | |
1191 | } | |
1192 | ||
1193 | /** | |
1194 | * maps common buffer (if supported by platform) | |
1195 | * | |
1196 | * @param coredev pointer to a coredev object from clients hotplug | |
1197 | * @param vma pointer to vma struct from mmap handler | |
1198 | * | |
1199 | * @return 0 on success, <0 on error. | |
1200 | */ | |
18245e18 | 1201 | int smscore_map_common_buffer(struct smscore_device_t *coredev, |
a83ccdd6 | 1202 | struct vm_area_struct *vma) |
2e5c1ec8 | 1203 | { |
82237416 MK |
1204 | unsigned long end = vma->vm_end, |
1205 | start = vma->vm_start, | |
1206 | size = PAGE_ALIGN(coredev->common_buffer_size); | |
2e5c1ec8 | 1207 | |
82237416 MK |
1208 | if (!(vma->vm_flags & (VM_READ | VM_SHARED)) || |
1209 | (vma->vm_flags & VM_WRITE)) { | |
a0c0abcb | 1210 | sms_info("invalid vm flags"); |
2e5c1ec8 MK |
1211 | return -EINVAL; |
1212 | } | |
1213 | ||
82237416 | 1214 | if ((end - start) != size) { |
a0c0abcb MK |
1215 | sms_info("invalid size %d expected %d", |
1216 | (int)(end - start), (int) size); | |
2e5c1ec8 MK |
1217 | return -EINVAL; |
1218 | } | |
1219 | ||
82237416 MK |
1220 | if (remap_pfn_range(vma, start, |
1221 | coredev->common_buffer_phys >> PAGE_SHIFT, | |
df0462e7 | 1222 | size, pgprot_noncached(vma->vm_page_prot))) { |
a0c0abcb | 1223 | sms_info("remap_page_range failed"); |
2e5c1ec8 MK |
1224 | return -EAGAIN; |
1225 | } | |
1226 | ||
1227 | return 0; | |
1228 | } | |
1229 | ||
1230 | int smscore_module_init(void) | |
1231 | { | |
c6465799 | 1232 | int rc = 0; |
2e5c1ec8 MK |
1233 | |
1234 | INIT_LIST_HEAD(&g_smscore_notifyees); | |
1235 | INIT_LIST_HEAD(&g_smscore_devices); | |
1236 | kmutex_init(&g_smscore_deviceslock); | |
1237 | ||
1238 | INIT_LIST_HEAD(&g_smscore_registry); | |
1239 | kmutex_init(&g_smscore_registrylock); | |
1240 | ||
eae55660 ST |
1241 | /* USB Register */ |
1242 | rc = smsusb_register(); | |
1243 | ||
1244 | /* DVB Register */ | |
1245 | rc = smsdvb_register(); | |
1246 | ||
a0c0abcb | 1247 | sms_debug("rc %d", rc); |
2e5c1ec8 MK |
1248 | |
1249 | return rc; | |
1250 | } | |
1251 | ||
1252 | void smscore_module_exit(void) | |
1253 | { | |
eae55660 | 1254 | |
2e5c1ec8 | 1255 | kmutex_lock(&g_smscore_deviceslock); |
82237416 | 1256 | while (!list_empty(&g_smscore_notifyees)) { |
18245e18 MK |
1257 | struct smscore_device_notifyee_t *notifyee = |
1258 | (struct smscore_device_notifyee_t *) | |
1259 | g_smscore_notifyees.next; | |
2e5c1ec8 MK |
1260 | |
1261 | list_del(¬ifyee->entry); | |
1262 | kfree(notifyee); | |
1263 | } | |
1264 | kmutex_unlock(&g_smscore_deviceslock); | |
1265 | ||
1266 | kmutex_lock(&g_smscore_registrylock); | |
82237416 | 1267 | while (!list_empty(&g_smscore_registry)) { |
18245e18 MK |
1268 | struct smscore_registry_entry_t *entry = |
1269 | (struct smscore_registry_entry_t *) | |
1270 | g_smscore_registry.next; | |
2e5c1ec8 MK |
1271 | |
1272 | list_del(&entry->entry); | |
1273 | kfree(entry); | |
1274 | } | |
1275 | kmutex_unlock(&g_smscore_registrylock); | |
1276 | ||
eae55660 ST |
1277 | /* DVB UnRegister */ |
1278 | smsdvb_unregister(); | |
1279 | ||
1280 | /* Unregister USB */ | |
1281 | smsusb_unregister(); | |
1282 | ||
a0c0abcb | 1283 | sms_debug(""); |
2e5c1ec8 MK |
1284 | } |
1285 | ||
1286 | module_init(smscore_module_init); | |
1287 | module_exit(smscore_module_exit); | |
1288 | ||
1289 | MODULE_DESCRIPTION("smscore"); | |
82237416 | 1290 | MODULE_AUTHOR("Siano Mobile Silicon,,, (doronc@siano-ms.com)"); |
2e5c1ec8 | 1291 | MODULE_LICENSE("GPL"); |