Commit | Line | Data |
---|---|---|
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 | |
09a29b77 | 11 | * it under the terms of the GNU General Public License version 2 as |
85447060 | 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> | |
f1f74aa2 | 30 | #include <linux/io.h> |
2e5c1ec8 | 31 | |
2e5c1ec8 MK |
32 | #include <linux/firmware.h> |
33 | ||
34 | #include "smscoreapi.h" | |
02aea4fb | 35 | #include "sms-cards.h" |
2e5c1ec8 | 36 | |
f14d56a9 MK |
37 | int sms_debug; |
38 | module_param_named(debug, sms_debug, int, 0644); | |
39 | MODULE_PARM_DESC(debug, "set debug level (info=1, adv=2 (or-able))"); | |
40 | ||
18245e18 | 41 | struct smscore_device_notifyee_t { |
2e5c1ec8 MK |
42 | struct list_head entry; |
43 | hotplug_t hotplug; | |
18245e18 | 44 | }; |
2e5c1ec8 | 45 | |
18245e18 | 46 | struct smscore_idlist_t { |
f17407a8 MK |
47 | struct list_head entry; |
48 | int id; | |
49 | int data_type; | |
18245e18 | 50 | }; |
f17407a8 | 51 | |
18245e18 | 52 | struct smscore_client_t { |
2e5c1ec8 | 53 | struct list_head entry; |
18245e18 | 54 | struct smscore_device_t *coredev; |
2e5c1ec8 | 55 | void *context; |
f17407a8 | 56 | struct list_head idlist; |
2e5c1ec8 MK |
57 | onresponse_t onresponse_handler; |
58 | onremove_t onremove_handler; | |
18245e18 | 59 | }; |
2e5c1ec8 | 60 | |
18245e18 | 61 | struct smscore_device_t { |
2e5c1ec8 MK |
62 | struct list_head entry; |
63 | ||
64 | struct list_head clients; | |
65 | struct list_head subclients; | |
66 | spinlock_t clientslock; | |
67 | ||
68 | struct list_head buffers; | |
69 | spinlock_t bufferslock; | |
70 | int num_buffers; | |
71 | ||
72 | void *common_buffer; | |
73 | int common_buffer_size; | |
74 | dma_addr_t common_buffer_phys; | |
75 | ||
76 | void *context; | |
77 | struct device *device; | |
78 | ||
79 | char devpath[32]; | |
80 | unsigned long device_flags; | |
81 | ||
82 | setmode_t setmode_handler; | |
83 | detectmode_t detectmode_handler; | |
84 | sendrequest_t sendrequest_handler; | |
85 | preload_t preload_handler; | |
86 | postload_t postload_handler; | |
87 | ||
88 | int mode, modes_supported; | |
89 | ||
90 | struct completion version_ex_done, data_download_done, trigger_done; | |
91 | struct completion init_device_done, reload_start_done, resume_done; | |
1c11d546 MK |
92 | |
93 | int board_id; | |
7b29e10d | 94 | int led_state; |
18245e18 | 95 | }; |
2e5c1ec8 | 96 | |
1c11d546 MK |
97 | void smscore_set_board_id(struct smscore_device_t *core, int id) |
98 | { | |
99 | core->board_id = id; | |
100 | } | |
101 | ||
7b29e10d MK |
102 | int smscore_led_state(struct smscore_device_t *core, int led) |
103 | { | |
104 | if (led >= 0) | |
105 | core->led_state = led; | |
106 | return core->led_state; | |
107 | } | |
108 | ||
1c11d546 MK |
109 | int smscore_get_board_id(struct smscore_device_t *core) |
110 | { | |
111 | return core->board_id; | |
112 | } | |
113 | ||
18245e18 | 114 | struct smscore_registry_entry_t { |
2e5c1ec8 MK |
115 | struct list_head entry; |
116 | char devpath[32]; | |
117 | int mode; | |
18245e18 MK |
118 | enum sms_device_type_st type; |
119 | }; | |
2e5c1ec8 | 120 | |
c5e0bd1a AB |
121 | static struct list_head g_smscore_notifyees; |
122 | static struct list_head g_smscore_devices; | |
123 | static struct mutex g_smscore_deviceslock; | |
2e5c1ec8 | 124 | |
c5e0bd1a AB |
125 | static struct list_head g_smscore_registry; |
126 | static struct mutex g_smscore_registrylock; | |
2e5c1ec8 | 127 | |
dd5b2a5c | 128 | static int default_mode = 4; |
f17407a8 | 129 | |
2e5c1ec8 MK |
130 | module_param(default_mode, int, 0644); |
131 | MODULE_PARM_DESC(default_mode, "default firmware id (device mode)"); | |
132 | ||
18245e18 | 133 | static struct smscore_registry_entry_t *smscore_find_registry(char *devpath) |
2e5c1ec8 | 134 | { |
18245e18 | 135 | struct smscore_registry_entry_t *entry; |
2e5c1ec8 MK |
136 | struct list_head *next; |
137 | ||
138 | kmutex_lock(&g_smscore_registrylock); | |
82237416 MK |
139 | for (next = g_smscore_registry.next; |
140 | next != &g_smscore_registry; | |
141 | next = next->next) { | |
18245e18 | 142 | entry = (struct smscore_registry_entry_t *) next; |
82237416 | 143 | if (!strcmp(entry->devpath, devpath)) { |
2e5c1ec8 | 144 | kmutex_unlock(&g_smscore_registrylock); |
f17407a8 | 145 | return entry; |
2e5c1ec8 MK |
146 | } |
147 | } | |
18245e18 MK |
148 | entry = (struct smscore_registry_entry_t *) |
149 | kmalloc(sizeof(struct smscore_registry_entry_t), | |
150 | GFP_KERNEL); | |
82237416 | 151 | if (entry) { |
2e5c1ec8 MK |
152 | entry->mode = default_mode; |
153 | strcpy(entry->devpath, devpath); | |
2e5c1ec8 | 154 | list_add(&entry->entry, &g_smscore_registry); |
82237416 | 155 | } else |
a0c0abcb | 156 | sms_err("failed to create smscore_registry."); |
2e5c1ec8 | 157 | kmutex_unlock(&g_smscore_registrylock); |
f17407a8 MK |
158 | return entry; |
159 | } | |
2e5c1ec8 | 160 | |
82237416 | 161 | int smscore_registry_getmode(char *devpath) |
f17407a8 | 162 | { |
18245e18 | 163 | struct smscore_registry_entry_t *entry; |
f17407a8 | 164 | |
82237416 MK |
165 | entry = smscore_find_registry(devpath); |
166 | if (entry) | |
f17407a8 | 167 | return entry->mode; |
f17407a8 | 168 | else |
a0c0abcb | 169 | sms_err("No registry found."); |
82237416 | 170 | |
2e5c1ec8 MK |
171 | return default_mode; |
172 | } | |
173 | ||
0c071f37 | 174 | static enum sms_device_type_st smscore_registry_gettype(char *devpath) |
2e5c1ec8 | 175 | { |
18245e18 | 176 | struct smscore_registry_entry_t *entry; |
2e5c1ec8 | 177 | |
82237416 MK |
178 | entry = smscore_find_registry(devpath); |
179 | if (entry) | |
f17407a8 | 180 | return entry->type; |
f17407a8 | 181 | else |
a0c0abcb | 182 | sms_err("No registry found."); |
82237416 | 183 | |
f17407a8 MK |
184 | return -1; |
185 | } | |
2e5c1ec8 | 186 | |
82237416 MK |
187 | void smscore_registry_setmode(char *devpath, int mode) |
188 | { | |
18245e18 | 189 | struct smscore_registry_entry_t *entry; |
2e5c1ec8 | 190 | |
82237416 MK |
191 | entry = smscore_find_registry(devpath); |
192 | if (entry) | |
193 | entry->mode = mode; | |
f17407a8 | 194 | else |
a0c0abcb | 195 | sms_err("No registry found."); |
82237416 | 196 | } |
2e5c1ec8 | 197 | |
0c071f37 MK |
198 | static void smscore_registry_settype(char *devpath, |
199 | enum sms_device_type_st type) | |
f17407a8 | 200 | { |
18245e18 | 201 | struct smscore_registry_entry_t *entry; |
f17407a8 | 202 | |
82237416 MK |
203 | entry = smscore_find_registry(devpath); |
204 | if (entry) | |
f17407a8 | 205 | entry->type = type; |
f17407a8 | 206 | else |
a0c0abcb | 207 | sms_err("No registry found."); |
2e5c1ec8 MK |
208 | } |
209 | ||
210 | ||
0c071f37 MK |
211 | static void list_add_locked(struct list_head *new, struct list_head *head, |
212 | spinlock_t *lock) | |
2e5c1ec8 MK |
213 | { |
214 | unsigned long flags; | |
215 | ||
216 | spin_lock_irqsave(lock, flags); | |
217 | ||
218 | list_add(new, head); | |
219 | ||
220 | spin_unlock_irqrestore(lock, flags); | |
221 | } | |
222 | ||
223 | /** | |
224 | * register a client callback that called when device plugged in/unplugged | |
225 | * NOTE: if devices exist callback is called immediately for each device | |
226 | * | |
227 | * @param hotplug callback | |
228 | * | |
229 | * @return 0 on success, <0 on error. | |
230 | */ | |
231 | int smscore_register_hotplug(hotplug_t hotplug) | |
232 | { | |
18245e18 | 233 | struct smscore_device_notifyee_t *notifyee; |
2e5c1ec8 MK |
234 | struct list_head *next, *first; |
235 | int rc = 0; | |
236 | ||
237 | kmutex_lock(&g_smscore_deviceslock); | |
238 | ||
18245e18 MK |
239 | notifyee = kmalloc(sizeof(struct smscore_device_notifyee_t), |
240 | GFP_KERNEL); | |
82237416 MK |
241 | if (notifyee) { |
242 | /* now notify callback about existing devices */ | |
2e5c1ec8 | 243 | first = &g_smscore_devices; |
82237416 MK |
244 | for (next = first->next; |
245 | next != first && !rc; | |
246 | next = next->next) { | |
18245e18 MK |
247 | struct smscore_device_t *coredev = |
248 | (struct smscore_device_t *) next; | |
2e5c1ec8 MK |
249 | rc = hotplug(coredev, coredev->device, 1); |
250 | } | |
251 | ||
82237416 | 252 | if (rc >= 0) { |
2e5c1ec8 MK |
253 | notifyee->hotplug = hotplug; |
254 | list_add(¬ifyee->entry, &g_smscore_notifyees); | |
82237416 | 255 | } else |
2e5c1ec8 | 256 | kfree(notifyee); |
82237416 | 257 | } else |
2e5c1ec8 MK |
258 | rc = -ENOMEM; |
259 | ||
260 | kmutex_unlock(&g_smscore_deviceslock); | |
261 | ||
262 | return rc; | |
263 | } | |
264 | ||
265 | /** | |
266 | * unregister a client callback that called when device plugged in/unplugged | |
267 | * | |
268 | * @param hotplug callback | |
269 | * | |
270 | */ | |
271 | void smscore_unregister_hotplug(hotplug_t hotplug) | |
272 | { | |
273 | struct list_head *next, *first; | |
274 | ||
275 | kmutex_lock(&g_smscore_deviceslock); | |
276 | ||
277 | first = &g_smscore_notifyees; | |
278 | ||
82237416 | 279 | for (next = first->next; next != first;) { |
18245e18 MK |
280 | struct smscore_device_notifyee_t *notifyee = |
281 | (struct smscore_device_notifyee_t *) next; | |
2e5c1ec8 MK |
282 | next = next->next; |
283 | ||
82237416 | 284 | if (notifyee->hotplug == hotplug) { |
2e5c1ec8 MK |
285 | list_del(¬ifyee->entry); |
286 | kfree(notifyee); | |
287 | } | |
288 | } | |
289 | ||
290 | kmutex_unlock(&g_smscore_deviceslock); | |
291 | } | |
292 | ||
0c071f37 | 293 | static void smscore_notify_clients(struct smscore_device_t *coredev) |
2e5c1ec8 | 294 | { |
18245e18 | 295 | struct smscore_client_t *client; |
2e5c1ec8 | 296 | |
82237416 MK |
297 | /* the client must call smscore_unregister_client from remove handler */ |
298 | while (!list_empty(&coredev->clients)) { | |
18245e18 | 299 | client = (struct smscore_client_t *) coredev->clients.next; |
2e5c1ec8 MK |
300 | client->onremove_handler(client->context); |
301 | } | |
302 | } | |
303 | ||
0c071f37 MK |
304 | static int smscore_notify_callbacks(struct smscore_device_t *coredev, |
305 | struct device *device, int arrival) | |
2e5c1ec8 MK |
306 | { |
307 | struct list_head *next, *first; | |
308 | int rc = 0; | |
309 | ||
82237416 | 310 | /* note: must be called under g_deviceslock */ |
2e5c1ec8 MK |
311 | |
312 | first = &g_smscore_notifyees; | |
313 | ||
82237416 | 314 | for (next = first->next; next != first; next = next->next) { |
18245e18 | 315 | rc = ((struct smscore_device_notifyee_t *) next)-> |
59bf6b8e | 316 | hotplug(coredev, device, arrival); |
2e5c1ec8 MK |
317 | if (rc < 0) |
318 | break; | |
319 | } | |
320 | ||
321 | return rc; | |
322 | } | |
323 | ||
0c071f37 MK |
324 | static struct |
325 | smscore_buffer_t *smscore_createbuffer(u8 *buffer, void *common_buffer, | |
a83ccdd6 | 326 | dma_addr_t common_buffer_phys) |
2e5c1ec8 | 327 | { |
18245e18 MK |
328 | struct smscore_buffer_t *cb = |
329 | kmalloc(sizeof(struct smscore_buffer_t), GFP_KERNEL); | |
82237416 | 330 | if (!cb) { |
a0c0abcb | 331 | sms_info("kmalloc(...) failed"); |
2e5c1ec8 MK |
332 | return NULL; |
333 | } | |
334 | ||
335 | cb->p = buffer; | |
494d24c5 | 336 | cb->offset_in_common = buffer - (u8 *) common_buffer; |
2e5c1ec8 MK |
337 | cb->phys = common_buffer_phys + cb->offset_in_common; |
338 | ||
339 | return cb; | |
340 | } | |
341 | ||
342 | /** | |
82237416 MK |
343 | * creates coredev object for a device, prepares buffers, |
344 | * creates buffer mappings, notifies registered hotplugs about new device. | |
2e5c1ec8 | 345 | * |
59bf6b8e MK |
346 | * @param params device pointer to struct with device specific parameters |
347 | * and handlers | |
2e5c1ec8 MK |
348 | * @param coredev pointer to a value that receives created coredev object |
349 | * | |
350 | * @return 0 on success, <0 on error. | |
351 | */ | |
18245e18 MK |
352 | int smscore_register_device(struct smsdevice_params_t *params, |
353 | struct smscore_device_t **coredev) | |
2e5c1ec8 | 354 | { |
18245e18 | 355 | struct smscore_device_t *dev; |
2e5c1ec8 MK |
356 | u8 *buffer; |
357 | ||
18245e18 | 358 | dev = kzalloc(sizeof(struct smscore_device_t), GFP_KERNEL); |
82237416 | 359 | if (!dev) { |
a0c0abcb | 360 | sms_info("kzalloc(...) failed"); |
2e5c1ec8 MK |
361 | return -ENOMEM; |
362 | } | |
363 | ||
82237416 | 364 | /* init list entry so it could be safe in smscore_unregister_device */ |
2e5c1ec8 MK |
365 | INIT_LIST_HEAD(&dev->entry); |
366 | ||
82237416 | 367 | /* init queues */ |
2e5c1ec8 | 368 | INIT_LIST_HEAD(&dev->clients); |
2e5c1ec8 MK |
369 | INIT_LIST_HEAD(&dev->buffers); |
370 | ||
82237416 | 371 | /* init locks */ |
2e5c1ec8 MK |
372 | spin_lock_init(&dev->clientslock); |
373 | spin_lock_init(&dev->bufferslock); | |
374 | ||
82237416 | 375 | /* init completion events */ |
2e5c1ec8 MK |
376 | init_completion(&dev->version_ex_done); |
377 | init_completion(&dev->data_download_done); | |
378 | init_completion(&dev->trigger_done); | |
379 | init_completion(&dev->init_device_done); | |
380 | init_completion(&dev->reload_start_done); | |
381 | init_completion(&dev->resume_done); | |
382 | ||
82237416 | 383 | /* alloc common buffer */ |
2e5c1ec8 | 384 | dev->common_buffer_size = params->buffer_size * params->num_buffers; |
82237416 MK |
385 | dev->common_buffer = dma_alloc_coherent(NULL, dev->common_buffer_size, |
386 | &dev->common_buffer_phys, | |
387 | GFP_KERNEL | GFP_DMA); | |
388 | if (!dev->common_buffer) { | |
2e5c1ec8 MK |
389 | smscore_unregister_device(dev); |
390 | return -ENOMEM; | |
391 | } | |
392 | ||
82237416 MK |
393 | /* prepare dma buffers */ |
394 | for (buffer = dev->common_buffer; | |
395 | dev->num_buffers < params->num_buffers; | |
fa830e8a | 396 | dev->num_buffers++, buffer += params->buffer_size) { |
18245e18 | 397 | struct smscore_buffer_t *cb = |
59bf6b8e MK |
398 | smscore_createbuffer(buffer, dev->common_buffer, |
399 | dev->common_buffer_phys); | |
82237416 | 400 | if (!cb) { |
2e5c1ec8 MK |
401 | smscore_unregister_device(dev); |
402 | return -ENOMEM; | |
403 | } | |
404 | ||
405 | smscore_putbuffer(dev, cb); | |
406 | } | |
407 | ||
a0c0abcb | 408 | sms_info("allocated %d buffers", dev->num_buffers); |
2e5c1ec8 MK |
409 | |
410 | dev->mode = DEVICE_MODE_NONE; | |
411 | dev->context = params->context; | |
412 | dev->device = params->device; | |
413 | dev->setmode_handler = params->setmode_handler; | |
414 | dev->detectmode_handler = params->detectmode_handler; | |
415 | dev->sendrequest_handler = params->sendrequest_handler; | |
416 | dev->preload_handler = params->preload_handler; | |
417 | dev->postload_handler = params->postload_handler; | |
418 | ||
419 | dev->device_flags = params->flags; | |
420 | strcpy(dev->devpath, params->devpath); | |
421 | ||
82237416 | 422 | smscore_registry_settype(dev->devpath, params->device_type); |
f17407a8 | 423 | |
82237416 | 424 | /* add device to devices list */ |
2e5c1ec8 MK |
425 | kmutex_lock(&g_smscore_deviceslock); |
426 | list_add(&dev->entry, &g_smscore_devices); | |
427 | kmutex_unlock(&g_smscore_deviceslock); | |
428 | ||
429 | *coredev = dev; | |
430 | ||
a0c0abcb | 431 | sms_info("device %p created", dev); |
2e5c1ec8 MK |
432 | |
433 | return 0; | |
434 | } | |
435 | ||
436 | /** | |
437 | * sets initial device mode and notifies client hotplugs that device is ready | |
438 | * | |
59bf6b8e MK |
439 | * @param coredev pointer to a coredev object returned by |
440 | * smscore_register_device | |
2e5c1ec8 MK |
441 | * |
442 | * @return 0 on success, <0 on error. | |
443 | */ | |
18245e18 | 444 | int smscore_start_device(struct smscore_device_t *coredev) |
2e5c1ec8 | 445 | { |
59bf6b8e MK |
446 | int rc = smscore_set_device_mode( |
447 | coredev, smscore_registry_getmode(coredev->devpath)); | |
82237416 | 448 | if (rc < 0) { |
a0c0abcb | 449 | sms_info("set device mode faile , rc %d", rc); |
2e5c1ec8 | 450 | return rc; |
f17407a8 | 451 | } |
2e5c1ec8 MK |
452 | |
453 | kmutex_lock(&g_smscore_deviceslock); | |
454 | ||
455 | rc = smscore_notify_callbacks(coredev, coredev->device, 1); | |
456 | ||
a0c0abcb | 457 | sms_info("device %p started, rc %d", coredev, rc); |
2e5c1ec8 MK |
458 | |
459 | kmutex_unlock(&g_smscore_deviceslock); | |
460 | ||
461 | return rc; | |
462 | } | |
463 | ||
0c071f37 MK |
464 | static int smscore_sendrequest_and_wait(struct smscore_device_t *coredev, |
465 | void *buffer, size_t size, | |
466 | struct completion *completion) | |
2e5c1ec8 MK |
467 | { |
468 | int rc = coredev->sendrequest_handler(coredev->context, buffer, size); | |
82237416 | 469 | if (rc < 0) { |
a0c0abcb | 470 | sms_info("sendrequest returned error %d", rc); |
2e5c1ec8 | 471 | return rc; |
f17407a8 | 472 | } |
2e5c1ec8 | 473 | |
82237416 MK |
474 | return wait_for_completion_timeout(completion, |
475 | msecs_to_jiffies(10000)) ? | |
476 | 0 : -ETIME; | |
2e5c1ec8 MK |
477 | } |
478 | ||
0c071f37 MK |
479 | static int smscore_load_firmware_family2(struct smscore_device_t *coredev, |
480 | void *buffer, size_t size) | |
2e5c1ec8 | 481 | { |
18245e18 MK |
482 | struct SmsFirmware_ST *firmware = (struct SmsFirmware_ST *) buffer; |
483 | struct SmsMsgHdr_ST *msg; | |
f0333e3d | 484 | u32 mem_address = firmware->StartAddress; |
a83ccdd6 | 485 | u8 *payload = firmware->Payload; |
2e5c1ec8 MK |
486 | int rc = 0; |
487 | ||
a0c0abcb MK |
488 | sms_info("loading FW to addr 0x%x size %d", |
489 | mem_address, firmware->Length); | |
82237416 | 490 | if (coredev->preload_handler) { |
2e5c1ec8 MK |
491 | rc = coredev->preload_handler(coredev->context); |
492 | if (rc < 0) | |
493 | return rc; | |
494 | } | |
495 | ||
82237416 | 496 | /* PAGE_SIZE buffer shall be enough and dma aligned */ |
e080842c | 497 | msg = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA); |
2e5c1ec8 MK |
498 | if (!msg) |
499 | return -ENOMEM; | |
500 | ||
82237416 | 501 | if (coredev->mode != DEVICE_MODE_NONE) { |
2522dc13 | 502 | sms_debug("sending reload command."); |
82237416 | 503 | SMS_INIT_MSG(msg, MSG_SW_RELOAD_START_REQ, |
18245e18 | 504 | sizeof(struct SmsMsgHdr_ST)); |
82237416 MK |
505 | rc = smscore_sendrequest_and_wait(coredev, msg, |
506 | msg->msgLength, | |
507 | &coredev->reload_start_done); | |
f0333e3d | 508 | mem_address = *(u32 *) &payload[20]; |
2e5c1ec8 MK |
509 | } |
510 | ||
fa830e8a | 511 | while (size && rc >= 0) { |
18245e18 MK |
512 | struct SmsDataDownload_ST *DataMsg = |
513 | (struct SmsDataDownload_ST *) msg; | |
2e5c1ec8 MK |
514 | int payload_size = min((int) size, SMS_MAX_PAYLOAD_SIZE); |
515 | ||
82237416 | 516 | SMS_INIT_MSG(msg, MSG_SMS_DATA_DOWNLOAD_REQ, |
18245e18 | 517 | (u16)(sizeof(struct SmsMsgHdr_ST) + |
f0333e3d | 518 | sizeof(u32) + payload_size)); |
2e5c1ec8 MK |
519 | |
520 | DataMsg->MemAddr = mem_address; | |
521 | memcpy(DataMsg->Payload, payload, payload_size); | |
522 | ||
82237416 MK |
523 | if ((coredev->device_flags & SMS_ROM_NO_RESPONSE) && |
524 | (coredev->mode == DEVICE_MODE_NONE)) | |
59bf6b8e MK |
525 | rc = coredev->sendrequest_handler( |
526 | coredev->context, DataMsg, | |
527 | DataMsg->xMsgHeader.msgLength); | |
2e5c1ec8 | 528 | else |
59bf6b8e MK |
529 | rc = smscore_sendrequest_and_wait( |
530 | coredev, DataMsg, | |
531 | DataMsg->xMsgHeader.msgLength, | |
532 | &coredev->data_download_done); | |
2e5c1ec8 MK |
533 | |
534 | payload += payload_size; | |
535 | size -= payload_size; | |
536 | mem_address += payload_size; | |
537 | } | |
538 | ||
82237416 MK |
539 | if (rc >= 0) { |
540 | if (coredev->mode == DEVICE_MODE_NONE) { | |
18245e18 MK |
541 | struct SmsMsgData_ST *TriggerMsg = |
542 | (struct SmsMsgData_ST *) msg; | |
2e5c1ec8 | 543 | |
82237416 | 544 | SMS_INIT_MSG(msg, MSG_SMS_SWDOWNLOAD_TRIGGER_REQ, |
18245e18 | 545 | sizeof(struct SmsMsgHdr_ST) + |
f0333e3d | 546 | sizeof(u32) * 5); |
2e5c1ec8 | 547 | |
59bf6b8e MK |
548 | TriggerMsg->msgData[0] = firmware->StartAddress; |
549 | /* Entry point */ | |
fa830e8a MK |
550 | TriggerMsg->msgData[1] = 5; /* Priority */ |
551 | TriggerMsg->msgData[2] = 0x200; /* Stack size */ | |
552 | TriggerMsg->msgData[3] = 0; /* Parameter */ | |
553 | TriggerMsg->msgData[4] = 4; /* Task ID */ | |
2e5c1ec8 | 554 | |
82237416 | 555 | if (coredev->device_flags & SMS_ROM_NO_RESPONSE) { |
59bf6b8e MK |
556 | rc = coredev->sendrequest_handler( |
557 | coredev->context, TriggerMsg, | |
558 | TriggerMsg->xMsgHeader.msgLength); | |
2e5c1ec8 | 559 | msleep(100); |
82237416 | 560 | } else |
59bf6b8e MK |
561 | rc = smscore_sendrequest_and_wait( |
562 | coredev, TriggerMsg, | |
563 | TriggerMsg->xMsgHeader.msgLength, | |
564 | &coredev->trigger_done); | |
82237416 MK |
565 | } else { |
566 | SMS_INIT_MSG(msg, MSG_SW_RELOAD_EXEC_REQ, | |
18245e18 | 567 | sizeof(struct SmsMsgHdr_ST)); |
2e5c1ec8 | 568 | |
82237416 MK |
569 | rc = coredev->sendrequest_handler(coredev->context, |
570 | msg, msg->msgLength); | |
2e5c1ec8 | 571 | } |
82237416 | 572 | msleep(500); |
2e5c1ec8 MK |
573 | } |
574 | ||
a0c0abcb | 575 | sms_debug("rc=%d, postload=%p ", rc, |
068d6c0f | 576 | coredev->postload_handler); |
2e5c1ec8 MK |
577 | |
578 | kfree(msg); | |
579 | ||
f17407a8 | 580 | return ((rc >= 0) && coredev->postload_handler) ? |
2e5c1ec8 MK |
581 | coredev->postload_handler(coredev->context) : |
582 | rc; | |
583 | } | |
584 | ||
585 | /** | |
586 | * loads specified firmware into a buffer and calls device loadfirmware_handler | |
587 | * | |
59bf6b8e MK |
588 | * @param coredev pointer to a coredev object returned by |
589 | * smscore_register_device | |
2e5c1ec8 MK |
590 | * @param filename null-terminated string specifies firmware file name |
591 | * @param loadfirmware_handler device handler that loads firmware | |
592 | * | |
593 | * @return 0 on success, <0 on error. | |
594 | */ | |
0c071f37 MK |
595 | static int smscore_load_firmware_from_file(struct smscore_device_t *coredev, |
596 | char *filename, | |
597 | loadfirmware_t loadfirmware_handler) | |
2e5c1ec8 MK |
598 | { |
599 | int rc = -ENOENT; | |
2e5c1ec8 | 600 | const struct firmware *fw; |
a83ccdd6 | 601 | u8 *fw_buffer; |
2e5c1ec8 | 602 | |
82237416 MK |
603 | if (loadfirmware_handler == NULL && !(coredev->device_flags & |
604 | SMS_DEVICE_FAMILY2)) | |
2e5c1ec8 MK |
605 | return -EINVAL; |
606 | ||
607 | rc = request_firmware(&fw, filename, coredev->device); | |
82237416 | 608 | if (rc < 0) { |
a0c0abcb | 609 | sms_info("failed to open \"%s\"", filename); |
2e5c1ec8 MK |
610 | return rc; |
611 | } | |
0f2a1ee1 | 612 | sms_info("read FW %s, size=%zd", filename, fw->size); |
82237416 MK |
613 | fw_buffer = kmalloc(ALIGN(fw->size, SMS_ALLOC_ALIGNMENT), |
614 | GFP_KERNEL | GFP_DMA); | |
615 | if (fw_buffer) { | |
2e5c1ec8 MK |
616 | memcpy(fw_buffer, fw->data, fw->size); |
617 | ||
618 | rc = (coredev->device_flags & SMS_DEVICE_FAMILY2) ? | |
59bf6b8e MK |
619 | smscore_load_firmware_family2(coredev, |
620 | fw_buffer, | |
621 | fw->size) : | |
622 | loadfirmware_handler(coredev->context, | |
623 | fw_buffer, fw->size); | |
2e5c1ec8 MK |
624 | |
625 | kfree(fw_buffer); | |
82237416 | 626 | } else { |
a0c0abcb | 627 | sms_info("failed to allocate firmware buffer"); |
2e5c1ec8 MK |
628 | rc = -ENOMEM; |
629 | } | |
630 | ||
631 | release_firmware(fw); | |
632 | ||
633 | return rc; | |
634 | } | |
635 | ||
636 | /** | |
59bf6b8e MK |
637 | * notifies all clients registered with the device, notifies hotplugs, |
638 | * frees all buffers and coredev object | |
2e5c1ec8 | 639 | * |
59bf6b8e MK |
640 | * @param coredev pointer to a coredev object returned by |
641 | * smscore_register_device | |
2e5c1ec8 MK |
642 | * |
643 | * @return 0 on success, <0 on error. | |
644 | */ | |
18245e18 | 645 | void smscore_unregister_device(struct smscore_device_t *coredev) |
2e5c1ec8 | 646 | { |
18245e18 | 647 | struct smscore_buffer_t *cb; |
2e5c1ec8 | 648 | int num_buffers = 0; |
f17407a8 | 649 | int retry = 0; |
2e5c1ec8 MK |
650 | |
651 | kmutex_lock(&g_smscore_deviceslock); | |
652 | ||
653 | smscore_notify_clients(coredev); | |
654 | smscore_notify_callbacks(coredev, NULL, 0); | |
655 | ||
82237416 MK |
656 | /* at this point all buffers should be back |
657 | * onresponse must no longer be called */ | |
2e5c1ec8 | 658 | |
82237416 MK |
659 | while (1) { |
660 | while ((cb = smscore_getbuffer(coredev))) { | |
2e5c1ec8 | 661 | kfree(cb); |
fa830e8a | 662 | num_buffers++; |
2e5c1ec8 | 663 | } |
2e5c1ec8 MK |
664 | if (num_buffers == coredev->num_buffers) |
665 | break; | |
82237416 | 666 | if (++retry > 10) { |
a0c0abcb MK |
667 | sms_info("exiting although " |
668 | "not all buffers released."); | |
f17407a8 MK |
669 | break; |
670 | } | |
2e5c1ec8 | 671 | |
a0c0abcb | 672 | sms_info("waiting for %d buffer(s)", |
068d6c0f | 673 | coredev->num_buffers - num_buffers); |
2e5c1ec8 MK |
674 | msleep(100); |
675 | } | |
676 | ||
a0c0abcb | 677 | sms_info("freed %d buffers", num_buffers); |
2e5c1ec8 MK |
678 | |
679 | if (coredev->common_buffer) | |
82237416 MK |
680 | dma_free_coherent(NULL, coredev->common_buffer_size, |
681 | coredev->common_buffer, | |
682 | coredev->common_buffer_phys); | |
2e5c1ec8 MK |
683 | |
684 | list_del(&coredev->entry); | |
685 | kfree(coredev); | |
686 | ||
687 | kmutex_unlock(&g_smscore_deviceslock); | |
688 | ||
a0c0abcb | 689 | sms_info("device %p destroyed", coredev); |
2e5c1ec8 MK |
690 | } |
691 | ||
0c071f37 | 692 | static int smscore_detect_mode(struct smscore_device_t *coredev) |
2e5c1ec8 | 693 | { |
18245e18 | 694 | void *buffer = kmalloc(sizeof(struct SmsMsgHdr_ST) + SMS_DMA_ALIGNMENT, |
82237416 | 695 | GFP_KERNEL | GFP_DMA); |
18245e18 MK |
696 | struct SmsMsgHdr_ST *msg = |
697 | (struct SmsMsgHdr_ST *) SMS_ALIGN_ADDRESS(buffer); | |
2e5c1ec8 MK |
698 | int rc; |
699 | ||
700 | if (!buffer) | |
701 | return -ENOMEM; | |
702 | ||
18245e18 MK |
703 | SMS_INIT_MSG(msg, MSG_SMS_GET_VERSION_EX_REQ, |
704 | sizeof(struct SmsMsgHdr_ST)); | |
2e5c1ec8 | 705 | |
82237416 MK |
706 | rc = smscore_sendrequest_and_wait(coredev, msg, msg->msgLength, |
707 | &coredev->version_ex_done); | |
708 | if (rc == -ETIME) { | |
a0c0abcb | 709 | sms_err("MSG_SMS_GET_VERSION_EX_REQ failed first try"); |
2e5c1ec8 | 710 | |
82237416 MK |
711 | if (wait_for_completion_timeout(&coredev->resume_done, |
712 | msecs_to_jiffies(5000))) { | |
59bf6b8e MK |
713 | rc = smscore_sendrequest_and_wait( |
714 | coredev, msg, msg->msgLength, | |
715 | &coredev->version_ex_done); | |
2e5c1ec8 | 716 | if (rc < 0) |
a0c0abcb MK |
717 | sms_err("MSG_SMS_GET_VERSION_EX_REQ failed " |
718 | "second try, rc %d", rc); | |
82237416 | 719 | } else |
2e5c1ec8 MK |
720 | rc = -ETIME; |
721 | } | |
722 | ||
723 | kfree(buffer); | |
724 | ||
725 | return rc; | |
726 | } | |
727 | ||
0c071f37 | 728 | static char *smscore_fw_lkup[][SMS_NUM_OF_DEVICE_TYPES] = { |
fbd05c82 MK |
729 | /*Stellar NOVA A0 Nova B0 VEGA*/ |
730 | /*DVBT*/ | |
731 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, | |
732 | /*DVBH*/ | |
733 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, | |
734 | /*TDMB*/ | |
735 | {"none", "tdmb_nova_12mhz.inp", "none", "none"}, | |
736 | /*DABIP*/ | |
737 | {"none", "none", "none", "none"}, | |
738 | /*BDA*/ | |
739 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, | |
740 | /*ISDBT*/ | |
741 | {"none", "isdbt_nova_12mhz.inp", "dvb_nova_12mhz.inp", "none"}, | |
742 | /*ISDBTBDA*/ | |
743 | {"none", "isdbt_nova_12mhz.inp", "isdbt_nova_12mhz_b0.inp", "none"}, | |
744 | /*CMMB*/ | |
745 | {"none", "none", "none", "cmmb_vega_12mhz.inp"} | |
2e5c1ec8 MK |
746 | }; |
747 | ||
02aea4fb MK |
748 | static inline char *sms_get_fw_name(struct smscore_device_t *coredev, |
749 | int mode, enum sms_device_type_st type) | |
750 | { | |
751 | char **fw = sms_get_board(smscore_get_board_id(coredev))->fw; | |
752 | return (fw && fw[mode]) ? fw[mode] : smscore_fw_lkup[mode][type]; | |
753 | } | |
f17407a8 | 754 | |
2e5c1ec8 MK |
755 | /** |
756 | * calls device handler to change mode of operation | |
757 | * NOTE: stellar/usb may disconnect when changing mode | |
758 | * | |
59bf6b8e MK |
759 | * @param coredev pointer to a coredev object returned by |
760 | * smscore_register_device | |
2e5c1ec8 MK |
761 | * @param mode requested mode of operation |
762 | * | |
763 | * @return 0 on success, <0 on error. | |
764 | */ | |
18245e18 | 765 | int smscore_set_device_mode(struct smscore_device_t *coredev, int mode) |
2e5c1ec8 MK |
766 | { |
767 | void *buffer; | |
768 | int rc = 0; | |
18245e18 | 769 | enum sms_device_type_st type; |
2e5c1ec8 | 770 | |
2522dc13 | 771 | sms_debug("set device mode to %d", mode); |
82237416 MK |
772 | if (coredev->device_flags & SMS_DEVICE_FAMILY2) { |
773 | if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_RAW_TUNER) { | |
eb250942 | 774 | sms_err("invalid mode specified %d", mode); |
2e5c1ec8 MK |
775 | return -EINVAL; |
776 | } | |
777 | ||
f17407a8 MK |
778 | smscore_registry_setmode(coredev->devpath, mode); |
779 | ||
82237416 | 780 | if (!(coredev->device_flags & SMS_DEVICE_NOT_READY)) { |
2e5c1ec8 | 781 | rc = smscore_detect_mode(coredev); |
82237416 | 782 | if (rc < 0) { |
eb250942 | 783 | sms_err("mode detect failed %d", rc); |
2e5c1ec8 | 784 | return rc; |
82237416 | 785 | } |
f17407a8 | 786 | } |
2e5c1ec8 | 787 | |
82237416 | 788 | if (coredev->mode == mode) { |
a0c0abcb | 789 | sms_info("device mode %d already set", mode); |
2e5c1ec8 MK |
790 | return 0; |
791 | } | |
792 | ||
82237416 | 793 | if (!(coredev->modes_supported & (1 << mode))) { |
02aea4fb MK |
794 | char *fw_filename; |
795 | ||
82237416 | 796 | type = smscore_registry_gettype(coredev->devpath); |
02aea4fb MK |
797 | fw_filename = sms_get_fw_name(coredev, mode, type); |
798 | ||
799 | rc = smscore_load_firmware_from_file(coredev, | |
800 | fw_filename, NULL); | |
82237416 | 801 | if (rc < 0) { |
5068b7a4 MK |
802 | sms_warn("error %d loading firmware: %s, " |
803 | "trying again with default firmware", | |
804 | rc, fw_filename); | |
02aea4fb MK |
805 | |
806 | /* try again with the default firmware */ | |
5068b7a4 | 807 | fw_filename = smscore_fw_lkup[mode][type]; |
02aea4fb | 808 | rc = smscore_load_firmware_from_file(coredev, |
5068b7a4 | 809 | fw_filename, NULL); |
02aea4fb MK |
810 | |
811 | if (rc < 0) { | |
5068b7a4 MK |
812 | sms_warn("error %d loading " |
813 | "firmware: %s", rc, | |
814 | fw_filename); | |
02aea4fb MK |
815 | return rc; |
816 | } | |
82237416 | 817 | } |
5068b7a4 | 818 | sms_log("firmware download success: %s", fw_filename); |
82237416 | 819 | } else |
a0c0abcb MK |
820 | sms_info("mode %d supported by running " |
821 | "firmware", mode); | |
2e5c1ec8 | 822 | |
18245e18 MK |
823 | buffer = kmalloc(sizeof(struct SmsMsgData_ST) + |
824 | SMS_DMA_ALIGNMENT, GFP_KERNEL | GFP_DMA); | |
82237416 | 825 | if (buffer) { |
18245e18 MK |
826 | struct SmsMsgData_ST *msg = |
827 | (struct SmsMsgData_ST *) | |
828 | SMS_ALIGN_ADDRESS(buffer); | |
2e5c1ec8 | 829 | |
59bf6b8e | 830 | SMS_INIT_MSG(&msg->xMsgHeader, MSG_SMS_INIT_DEVICE_REQ, |
18245e18 | 831 | sizeof(struct SmsMsgData_ST)); |
2e5c1ec8 MK |
832 | msg->msgData[0] = mode; |
833 | ||
59bf6b8e MK |
834 | rc = smscore_sendrequest_and_wait( |
835 | coredev, msg, msg->xMsgHeader.msgLength, | |
836 | &coredev->init_device_done); | |
2e5c1ec8 MK |
837 | |
838 | kfree(buffer); | |
82237416 | 839 | } else { |
eb250942 MK |
840 | sms_err("Could not allocate buffer for " |
841 | "init device message."); | |
2e5c1ec8 | 842 | rc = -ENOMEM; |
82237416 MK |
843 | } |
844 | } else { | |
845 | if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) { | |
eb250942 | 846 | sms_err("invalid mode specified %d", mode); |
f17407a8 MK |
847 | return -EINVAL; |
848 | } | |
849 | ||
850 | smscore_registry_setmode(coredev->devpath, mode); | |
851 | ||
2e5c1ec8 | 852 | if (coredev->detectmode_handler) |
82237416 MK |
853 | coredev->detectmode_handler(coredev->context, |
854 | &coredev->mode); | |
2e5c1ec8 MK |
855 | |
856 | if (coredev->mode != mode && coredev->setmode_handler) | |
857 | rc = coredev->setmode_handler(coredev->context, mode); | |
858 | } | |
859 | ||
82237416 | 860 | if (rc >= 0) { |
2e5c1ec8 MK |
861 | coredev->mode = mode; |
862 | coredev->device_flags &= ~SMS_DEVICE_NOT_READY; | |
863 | } | |
864 | ||
f17407a8 | 865 | if (rc != 0) |
eb250942 | 866 | sms_err("return error code %d.", rc); |
2e5c1ec8 MK |
867 | return rc; |
868 | } | |
869 | ||
870 | /** | |
871 | * calls device handler to get current mode of operation | |
872 | * | |
59bf6b8e MK |
873 | * @param coredev pointer to a coredev object returned by |
874 | * smscore_register_device | |
2e5c1ec8 MK |
875 | * |
876 | * @return current mode | |
877 | */ | |
18245e18 | 878 | int smscore_get_device_mode(struct smscore_device_t *coredev) |
2e5c1ec8 MK |
879 | { |
880 | return coredev->mode; | |
881 | } | |
882 | ||
f17407a8 MK |
883 | /** |
884 | * find client by response id & type within the clients list. | |
885 | * return client handle or NULL. | |
886 | * | |
59bf6b8e MK |
887 | * @param coredev pointer to a coredev object returned by |
888 | * smscore_register_device | |
f17407a8 | 889 | * @param data_type client data type (SMS_DONT_CARE for all types) |
82237416 | 890 | * @param id client id (SMS_DONT_CARE for all id) |
f17407a8 MK |
891 | * |
892 | */ | |
0c071f37 MK |
893 | static struct |
894 | smscore_client_t *smscore_find_client(struct smscore_device_t *coredev, | |
59bf6b8e | 895 | int data_type, int id) |
2e5c1ec8 | 896 | { |
18245e18 | 897 | struct smscore_client_t *client = NULL; |
2e5c1ec8 MK |
898 | struct list_head *next, *first; |
899 | unsigned long flags; | |
f17407a8 | 900 | struct list_head *firstid, *nextid; |
2e5c1ec8 | 901 | |
2e5c1ec8 MK |
902 | |
903 | spin_lock_irqsave(&coredev->clientslock, flags); | |
2e5c1ec8 | 904 | first = &coredev->clients; |
82237416 MK |
905 | for (next = first->next; |
906 | (next != first) && !client; | |
907 | next = next->next) { | |
18245e18 | 908 | firstid = &((struct smscore_client_t *)next)->idlist; |
82237416 MK |
909 | for (nextid = firstid->next; |
910 | nextid != firstid; | |
911 | nextid = nextid->next) { | |
18245e18 MK |
912 | if ((((struct smscore_idlist_t *)nextid)->id == id) && |
913 | (((struct smscore_idlist_t *)nextid)->data_type == data_type || | |
914 | (((struct smscore_idlist_t *)nextid)->data_type == 0))) { | |
915 | client = (struct smscore_client_t *) next; | |
82237416 MK |
916 | break; |
917 | } | |
2e5c1ec8 MK |
918 | } |
919 | } | |
2e5c1ec8 | 920 | spin_unlock_irqrestore(&coredev->clientslock, flags); |
2e5c1ec8 MK |
921 | return client; |
922 | } | |
923 | ||
924 | /** | |
925 | * find client by response id/type, call clients onresponse handler | |
926 | * return buffer to pool on error | |
927 | * | |
59bf6b8e MK |
928 | * @param coredev pointer to a coredev object returned by |
929 | * smscore_register_device | |
2e5c1ec8 MK |
930 | * @param cb pointer to response buffer descriptor |
931 | * | |
932 | */ | |
18245e18 MK |
933 | void smscore_onresponse(struct smscore_device_t *coredev, |
934 | struct smscore_buffer_t *cb) | |
2e5c1ec8 | 935 | { |
18245e18 MK |
936 | struct SmsMsgHdr_ST *phdr = |
937 | (struct SmsMsgHdr_ST *)((u8 *) cb->p + cb->offset); | |
938 | struct smscore_client_t *client = | |
59bf6b8e | 939 | smscore_find_client(coredev, phdr->msgType, phdr->msgDstId); |
2e5c1ec8 MK |
940 | int rc = -EBUSY; |
941 | ||
fbd05c82 MK |
942 | static unsigned long last_sample_time; /* = 0; */ |
943 | static int data_total; /* = 0; */ | |
2e5c1ec8 MK |
944 | unsigned long time_now = jiffies_to_msecs(jiffies); |
945 | ||
946 | if (!last_sample_time) | |
947 | last_sample_time = time_now; | |
948 | ||
fa830e8a | 949 | if (time_now - last_sample_time > 10000) { |
a0c0abcb | 950 | sms_debug("\ndata rate %d bytes/secs", |
068d6c0f MK |
951 | (int)((data_total * 1000) / |
952 | (time_now - last_sample_time))); | |
2e5c1ec8 MK |
953 | |
954 | last_sample_time = time_now; | |
955 | data_total = 0; | |
956 | } | |
957 | ||
958 | data_total += cb->size; | |
82237416 MK |
959 | /* If no client registered for type & id, |
960 | * check for control client where type is not registered */ | |
2e5c1ec8 MK |
961 | if (client) |
962 | rc = client->onresponse_handler(client->context, cb); | |
963 | ||
82237416 MK |
964 | if (rc < 0) { |
965 | switch (phdr->msgType) { | |
966 | case MSG_SMS_GET_VERSION_EX_RES: | |
2e5c1ec8 | 967 | { |
18245e18 MK |
968 | struct SmsVersionRes_ST *ver = |
969 | (struct SmsVersionRes_ST *) phdr; | |
a0c0abcb MK |
970 | sms_debug("MSG_SMS_GET_VERSION_EX_RES " |
971 | "id %d prots 0x%x ver %d.%d", | |
068d6c0f MK |
972 | ver->FirmwareId, ver->SupportedProtocols, |
973 | ver->RomVersionMajor, ver->RomVersionMinor); | |
2e5c1ec8 | 974 | |
82237416 MK |
975 | coredev->mode = ver->FirmwareId == 255 ? |
976 | DEVICE_MODE_NONE : ver->FirmwareId; | |
977 | coredev->modes_supported = ver->SupportedProtocols; | |
2e5c1ec8 | 978 | |
82237416 MK |
979 | complete(&coredev->version_ex_done); |
980 | break; | |
981 | } | |
982 | case MSG_SMS_INIT_DEVICE_RES: | |
a0c0abcb | 983 | sms_debug("MSG_SMS_INIT_DEVICE_RES"); |
82237416 MK |
984 | complete(&coredev->init_device_done); |
985 | break; | |
986 | case MSG_SW_RELOAD_START_RES: | |
a0c0abcb | 987 | sms_debug("MSG_SW_RELOAD_START_RES"); |
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: | |
a0c0abcb | 994 | sms_debug("MSG_SW_RELOAD_EXEC_RES"); |
82237416 MK |
995 | break; |
996 | case MSG_SMS_SWDOWNLOAD_TRIGGER_RES: | |
a0c0abcb | 997 | sms_debug("MSG_SMS_SWDOWNLOAD_TRIGGER_RES"); |
82237416 MK |
998 | complete(&coredev->trigger_done); |
999 | break; | |
1000 | case MSG_SMS_SLEEP_RESUME_COMP_IND: | |
1001 | complete(&coredev->resume_done); | |
1002 | break; | |
1003 | default: | |
1004 | break; | |
2e5c1ec8 | 1005 | } |
2e5c1ec8 MK |
1006 | smscore_putbuffer(coredev, cb); |
1007 | } | |
1008 | } | |
1009 | ||
1010 | /** | |
1011 | * return pointer to next free buffer descriptor from core pool | |
1012 | * | |
59bf6b8e MK |
1013 | * @param coredev pointer to a coredev object returned by |
1014 | * smscore_register_device | |
2e5c1ec8 MK |
1015 | * |
1016 | * @return pointer to descriptor on success, NULL on error. | |
1017 | */ | |
18245e18 | 1018 | struct smscore_buffer_t *smscore_getbuffer(struct smscore_device_t *coredev) |
2e5c1ec8 | 1019 | { |
18245e18 | 1020 | struct smscore_buffer_t *cb = NULL; |
2e5c1ec8 MK |
1021 | unsigned long flags; |
1022 | ||
1023 | spin_lock_irqsave(&coredev->bufferslock, flags); | |
1024 | ||
82237416 | 1025 | if (!list_empty(&coredev->buffers)) { |
18245e18 | 1026 | cb = (struct smscore_buffer_t *) coredev->buffers.next; |
2e5c1ec8 MK |
1027 | list_del(&cb->entry); |
1028 | } | |
1029 | ||
1030 | spin_unlock_irqrestore(&coredev->bufferslock, flags); | |
1031 | ||
1032 | return cb; | |
1033 | } | |
1034 | ||
1035 | /** | |
1036 | * return buffer descriptor to a pool | |
1037 | * | |
59bf6b8e MK |
1038 | * @param coredev pointer to a coredev object returned by |
1039 | * smscore_register_device | |
2e5c1ec8 MK |
1040 | * @param cb pointer buffer descriptor |
1041 | * | |
1042 | */ | |
18245e18 MK |
1043 | void smscore_putbuffer(struct smscore_device_t *coredev, |
1044 | struct smscore_buffer_t *cb) | |
2e5c1ec8 MK |
1045 | { |
1046 | list_add_locked(&cb->entry, &coredev->buffers, &coredev->bufferslock); | |
1047 | } | |
1048 | ||
0c071f37 MK |
1049 | static int smscore_validate_client(struct smscore_device_t *coredev, |
1050 | struct smscore_client_t *client, | |
1051 | int data_type, int id) | |
2e5c1ec8 | 1052 | { |
18245e18 MK |
1053 | struct smscore_idlist_t *listentry; |
1054 | struct smscore_client_t *registered_client; | |
2e5c1ec8 | 1055 | |
82237416 | 1056 | if (!client) { |
2522dc13 | 1057 | sms_err("bad parameter."); |
f17407a8 MK |
1058 | return -EFAULT; |
1059 | } | |
1060 | registered_client = smscore_find_client(coredev, data_type, id); | |
fa830e8a | 1061 | if (registered_client == client) |
2e5c1ec8 | 1062 | return 0; |
fa830e8a | 1063 | |
82237416 | 1064 | if (registered_client) { |
2522dc13 | 1065 | sms_err("The msg ID already registered to another client."); |
f17407a8 MK |
1066 | return -EEXIST; |
1067 | } | |
18245e18 | 1068 | listentry = kzalloc(sizeof(struct smscore_idlist_t), GFP_KERNEL); |
82237416 | 1069 | if (!listentry) { |
2522dc13 | 1070 | sms_err("Can't allocate memory for client id."); |
2e5c1ec8 | 1071 | return -ENOMEM; |
f17407a8 MK |
1072 | } |
1073 | listentry->id = id; | |
1074 | listentry->data_type = data_type; | |
82237416 MK |
1075 | list_add_locked(&listentry->entry, &client->idlist, |
1076 | &coredev->clientslock); | |
2e5c1ec8 MK |
1077 | return 0; |
1078 | } | |
1079 | ||
1080 | /** | |
1081 | * creates smsclient object, check that id is taken by another client | |
1082 | * | |
1083 | * @param coredev pointer to a coredev object from clients hotplug | |
1084 | * @param initial_id all messages with this id would be sent to this client | |
1085 | * @param data_type all messages of this type would be sent to this client | |
ca783736 MK |
1086 | * @param onresponse_handler client handler that is called to |
1087 | * process incoming messages | |
2e5c1ec8 MK |
1088 | * @param onremove_handler client handler that is called when device is removed |
1089 | * @param context client-specific context | |
1090 | * @param client pointer to a value that receives created smsclient object | |
1091 | * | |
1092 | * @return 0 on success, <0 on error. | |
1093 | */ | |
18245e18 MK |
1094 | int smscore_register_client(struct smscore_device_t *coredev, |
1095 | struct smsclient_params_t *params, | |
1096 | struct smscore_client_t **client) | |
2e5c1ec8 | 1097 | { |
18245e18 | 1098 | struct smscore_client_t *newclient; |
82237416 MK |
1099 | /* check that no other channel with same parameters exists */ |
1100 | if (smscore_find_client(coredev, params->data_type, | |
1101 | params->initial_id)) { | |
2522dc13 | 1102 | sms_err("Client already exist."); |
2e5c1ec8 | 1103 | return -EEXIST; |
f17407a8 | 1104 | } |
2e5c1ec8 | 1105 | |
18245e18 | 1106 | newclient = kzalloc(sizeof(struct smscore_client_t), GFP_KERNEL); |
82237416 | 1107 | if (!newclient) { |
2522dc13 | 1108 | sms_err("Failed to allocate memory for client."); |
f17407a8 | 1109 | return -ENOMEM; |
2e5c1ec8 MK |
1110 | } |
1111 | ||
82237416 | 1112 | INIT_LIST_HEAD(&newclient->idlist); |
2e5c1ec8 | 1113 | newclient->coredev = coredev; |
2e5c1ec8 MK |
1114 | newclient->onresponse_handler = params->onresponse_handler; |
1115 | newclient->onremove_handler = params->onremove_handler; | |
1116 | newclient->context = params->context; | |
82237416 MK |
1117 | list_add_locked(&newclient->entry, &coredev->clients, |
1118 | &coredev->clientslock); | |
1119 | smscore_validate_client(coredev, newclient, params->data_type, | |
1120 | params->initial_id); | |
2e5c1ec8 | 1121 | *client = newclient; |
2522dc13 MK |
1122 | sms_debug("%p %d %d", params->context, params->data_type, |
1123 | params->initial_id); | |
2e5c1ec8 MK |
1124 | |
1125 | return 0; | |
1126 | } | |
1127 | ||
1128 | /** | |
1129 | * frees smsclient object and all subclients associated with it | |
1130 | * | |
59bf6b8e MK |
1131 | * @param client pointer to smsclient object returned by |
1132 | * smscore_register_client | |
2e5c1ec8 MK |
1133 | * |
1134 | */ | |
18245e18 | 1135 | void smscore_unregister_client(struct smscore_client_t *client) |
2e5c1ec8 | 1136 | { |
18245e18 | 1137 | struct smscore_device_t *coredev = client->coredev; |
2e5c1ec8 MK |
1138 | unsigned long flags; |
1139 | ||
1140 | spin_lock_irqsave(&coredev->clientslock, flags); | |
1141 | ||
2e5c1ec8 | 1142 | |
82237416 | 1143 | while (!list_empty(&client->idlist)) { |
18245e18 MK |
1144 | struct smscore_idlist_t *identry = |
1145 | (struct smscore_idlist_t *) client->idlist.next; | |
82237416 MK |
1146 | list_del(&identry->entry); |
1147 | kfree(identry); | |
2e5c1ec8 MK |
1148 | } |
1149 | ||
a0c0abcb | 1150 | sms_info("%p", client->context); |
2e5c1ec8 MK |
1151 | |
1152 | list_del(&client->entry); | |
1153 | kfree(client); | |
1154 | ||
1155 | spin_unlock_irqrestore(&coredev->clientslock, flags); | |
1156 | } | |
1157 | ||
1158 | /** | |
1159 | * verifies that source id is not taken by another client, | |
1160 | * calls device handler to send requests to the device | |
1161 | * | |
59bf6b8e MK |
1162 | * @param client pointer to smsclient object returned by |
1163 | * smscore_register_client | |
2e5c1ec8 MK |
1164 | * @param buffer pointer to a request buffer |
1165 | * @param size size (in bytes) of request buffer | |
1166 | * | |
1167 | * @return 0 on success, <0 on error. | |
1168 | */ | |
18245e18 MK |
1169 | int smsclient_sendrequest(struct smscore_client_t *client, |
1170 | void *buffer, size_t size) | |
2e5c1ec8 | 1171 | { |
18245e18 MK |
1172 | struct smscore_device_t *coredev; |
1173 | struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) buffer; | |
f17407a8 MK |
1174 | int rc; |
1175 | ||
82237416 | 1176 | if (client == NULL) { |
a0c0abcb | 1177 | sms_err("Got NULL client"); |
f17407a8 MK |
1178 | return -EINVAL; |
1179 | } | |
1180 | ||
1181 | coredev = client->coredev; | |
2e5c1ec8 | 1182 | |
82237416 MK |
1183 | /* check that no other channel with same id exists */ |
1184 | if (coredev == NULL) { | |
a0c0abcb | 1185 | sms_err("Got NULL coredev"); |
f17407a8 MK |
1186 | return -EINVAL; |
1187 | } | |
1188 | ||
82237416 MK |
1189 | rc = smscore_validate_client(client->coredev, client, 0, |
1190 | phdr->msgSrcId); | |
2e5c1ec8 MK |
1191 | if (rc < 0) |
1192 | return rc; | |
1193 | ||
1194 | return coredev->sendrequest_handler(coredev->context, buffer, size); | |
1195 | } | |
1196 | ||
2e5c1ec8 | 1197 | |
76052bc8 MK |
1198 | int smscore_configure_gpio(struct smscore_device_t *coredev, u32 pin, |
1199 | struct smscore_gpio_config *pinconfig) | |
1200 | { | |
1201 | struct { | |
1202 | struct SmsMsgHdr_ST hdr; | |
1203 | u32 data[6]; | |
1204 | } msg; | |
1205 | ||
1206 | if (coredev->device_flags & SMS_DEVICE_FAMILY2) { | |
1207 | msg.hdr.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; | |
1208 | msg.hdr.msgDstId = HIF_TASK; | |
1209 | msg.hdr.msgFlags = 0; | |
1210 | msg.hdr.msgType = MSG_SMS_GPIO_CONFIG_EX_REQ; | |
1211 | msg.hdr.msgLength = sizeof(msg); | |
1212 | ||
1213 | msg.data[0] = pin; | |
1214 | msg.data[1] = pinconfig->pullupdown; | |
1215 | ||
1216 | /* Convert slew rate for Nova: Fast(0) = 3 / Slow(1) = 0; */ | |
1217 | msg.data[2] = pinconfig->outputslewrate == 0 ? 3 : 0; | |
1218 | ||
1219 | switch (pinconfig->outputdriving) { | |
1220 | case SMS_GPIO_OUTPUTDRIVING_16mA: | |
1221 | msg.data[3] = 7; /* Nova - 16mA */ | |
1222 | break; | |
1223 | case SMS_GPIO_OUTPUTDRIVING_12mA: | |
1224 | msg.data[3] = 5; /* Nova - 11mA */ | |
1225 | break; | |
1226 | case SMS_GPIO_OUTPUTDRIVING_8mA: | |
1227 | msg.data[3] = 3; /* Nova - 7mA */ | |
1228 | break; | |
1229 | case SMS_GPIO_OUTPUTDRIVING_4mA: | |
1230 | default: | |
1231 | msg.data[3] = 2; /* Nova - 4mA */ | |
1232 | break; | |
1233 | } | |
1234 | ||
1235 | msg.data[4] = pinconfig->direction; | |
1236 | msg.data[5] = 0; | |
1237 | } else /* TODO: SMS_DEVICE_FAMILY1 */ | |
1238 | return -EINVAL; | |
1239 | ||
1240 | return coredev->sendrequest_handler(coredev->context, | |
1241 | &msg, sizeof(msg)); | |
1242 | } | |
1243 | ||
1244 | int smscore_set_gpio(struct smscore_device_t *coredev, u32 pin, int level) | |
1245 | { | |
1246 | struct { | |
1247 | struct SmsMsgHdr_ST hdr; | |
1248 | u32 data[3]; | |
1249 | } msg; | |
1250 | ||
1251 | if (pin > MAX_GPIO_PIN_NUMBER) | |
1252 | return -EINVAL; | |
1253 | ||
1254 | msg.hdr.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; | |
1255 | msg.hdr.msgDstId = HIF_TASK; | |
1256 | msg.hdr.msgFlags = 0; | |
1257 | msg.hdr.msgType = MSG_SMS_GPIO_SET_LEVEL_REQ; | |
1258 | msg.hdr.msgLength = sizeof(msg); | |
1259 | ||
1260 | msg.data[0] = pin; | |
1261 | msg.data[1] = level ? 1 : 0; | |
1262 | msg.data[2] = 0; | |
1263 | ||
1264 | return coredev->sendrequest_handler(coredev->context, | |
1265 | &msg, sizeof(msg)); | |
1266 | } | |
1267 | ||
c5e0bd1a | 1268 | static int __init smscore_module_init(void) |
2e5c1ec8 | 1269 | { |
c6465799 | 1270 | int rc = 0; |
2e5c1ec8 MK |
1271 | |
1272 | INIT_LIST_HEAD(&g_smscore_notifyees); | |
1273 | INIT_LIST_HEAD(&g_smscore_devices); | |
1274 | kmutex_init(&g_smscore_deviceslock); | |
1275 | ||
1276 | INIT_LIST_HEAD(&g_smscore_registry); | |
1277 | kmutex_init(&g_smscore_registrylock); | |
1278 | ||
eae55660 ST |
1279 | /* USB Register */ |
1280 | rc = smsusb_register(); | |
1281 | ||
1282 | /* DVB Register */ | |
1283 | rc = smsdvb_register(); | |
1284 | ||
a0c0abcb | 1285 | sms_debug("rc %d", rc); |
2e5c1ec8 MK |
1286 | |
1287 | return rc; | |
1288 | } | |
1289 | ||
c5e0bd1a | 1290 | static void __exit smscore_module_exit(void) |
2e5c1ec8 | 1291 | { |
eae55660 | 1292 | |
2e5c1ec8 | 1293 | kmutex_lock(&g_smscore_deviceslock); |
82237416 | 1294 | while (!list_empty(&g_smscore_notifyees)) { |
18245e18 MK |
1295 | struct smscore_device_notifyee_t *notifyee = |
1296 | (struct smscore_device_notifyee_t *) | |
1297 | g_smscore_notifyees.next; | |
2e5c1ec8 MK |
1298 | |
1299 | list_del(¬ifyee->entry); | |
1300 | kfree(notifyee); | |
1301 | } | |
1302 | kmutex_unlock(&g_smscore_deviceslock); | |
1303 | ||
1304 | kmutex_lock(&g_smscore_registrylock); | |
82237416 | 1305 | while (!list_empty(&g_smscore_registry)) { |
18245e18 MK |
1306 | struct smscore_registry_entry_t *entry = |
1307 | (struct smscore_registry_entry_t *) | |
1308 | g_smscore_registry.next; | |
2e5c1ec8 MK |
1309 | |
1310 | list_del(&entry->entry); | |
1311 | kfree(entry); | |
1312 | } | |
1313 | kmutex_unlock(&g_smscore_registrylock); | |
1314 | ||
eae55660 ST |
1315 | /* DVB UnRegister */ |
1316 | smsdvb_unregister(); | |
1317 | ||
1318 | /* Unregister USB */ | |
1319 | smsusb_unregister(); | |
1320 | ||
a0c0abcb | 1321 | sms_debug(""); |
2e5c1ec8 MK |
1322 | } |
1323 | ||
1324 | module_init(smscore_module_init); | |
1325 | module_exit(smscore_module_exit); | |
1326 | ||
8f37356b | 1327 | MODULE_DESCRIPTION("Driver for the Siano SMS1XXX USB dongle"); |
82237416 | 1328 | MODULE_AUTHOR("Siano Mobile Silicon,,, (doronc@siano-ms.com)"); |
2e5c1ec8 | 1329 | MODULE_LICENSE("GPL"); |