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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 | * | |
e0f14c25 | 6 | * author: Uri Shkolnik |
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" |
a804800a US |
36 | #include "smsir.h" |
37 | #include "smsendian.h" | |
2e5c1ec8 | 38 | |
0d02efe4 | 39 | static int sms_dbg; |
b9391f41 | 40 | module_param_named(debug, sms_dbg, int, 0644); |
f14d56a9 MK |
41 | MODULE_PARM_DESC(debug, "set debug level (info=1, adv=2 (or-able))"); |
42 | ||
18245e18 | 43 | struct smscore_device_notifyee_t { |
2e5c1ec8 MK |
44 | struct list_head entry; |
45 | hotplug_t hotplug; | |
18245e18 | 46 | }; |
2e5c1ec8 | 47 | |
18245e18 | 48 | struct smscore_idlist_t { |
f17407a8 MK |
49 | struct list_head entry; |
50 | int id; | |
51 | int data_type; | |
18245e18 | 52 | }; |
f17407a8 | 53 | |
18245e18 | 54 | struct smscore_client_t { |
2e5c1ec8 | 55 | struct list_head entry; |
18245e18 | 56 | struct smscore_device_t *coredev; |
2e5c1ec8 | 57 | void *context; |
f17407a8 | 58 | struct list_head idlist; |
2e5c1ec8 MK |
59 | onresponse_t onresponse_handler; |
60 | onremove_t onremove_handler; | |
18245e18 | 61 | }; |
2e5c1ec8 | 62 | |
1c11d546 MK |
63 | void smscore_set_board_id(struct smscore_device_t *core, int id) |
64 | { | |
65 | core->board_id = id; | |
66 | } | |
67 | ||
7b29e10d MK |
68 | int smscore_led_state(struct smscore_device_t *core, int led) |
69 | { | |
70 | if (led >= 0) | |
71 | core->led_state = led; | |
72 | return core->led_state; | |
73 | } | |
a0beec8f | 74 | EXPORT_SYMBOL_GPL(smscore_set_board_id); |
7b29e10d | 75 | |
1c11d546 MK |
76 | int smscore_get_board_id(struct smscore_device_t *core) |
77 | { | |
78 | return core->board_id; | |
79 | } | |
a0beec8f | 80 | EXPORT_SYMBOL_GPL(smscore_get_board_id); |
1c11d546 | 81 | |
18245e18 | 82 | struct smscore_registry_entry_t { |
2e5c1ec8 MK |
83 | struct list_head entry; |
84 | char devpath[32]; | |
85 | int mode; | |
18245e18 MK |
86 | enum sms_device_type_st type; |
87 | }; | |
2e5c1ec8 | 88 | |
c5e0bd1a AB |
89 | static struct list_head g_smscore_notifyees; |
90 | static struct list_head g_smscore_devices; | |
91 | static struct mutex g_smscore_deviceslock; | |
2e5c1ec8 | 92 | |
c5e0bd1a AB |
93 | static struct list_head g_smscore_registry; |
94 | static struct mutex g_smscore_registrylock; | |
2e5c1ec8 | 95 | |
dd5b2a5c | 96 | static int default_mode = 4; |
f17407a8 | 97 | |
2e5c1ec8 MK |
98 | module_param(default_mode, int, 0644); |
99 | MODULE_PARM_DESC(default_mode, "default firmware id (device mode)"); | |
100 | ||
18245e18 | 101 | static struct smscore_registry_entry_t *smscore_find_registry(char *devpath) |
2e5c1ec8 | 102 | { |
18245e18 | 103 | struct smscore_registry_entry_t *entry; |
2e5c1ec8 MK |
104 | struct list_head *next; |
105 | ||
106 | kmutex_lock(&g_smscore_registrylock); | |
82237416 MK |
107 | for (next = g_smscore_registry.next; |
108 | next != &g_smscore_registry; | |
109 | next = next->next) { | |
18245e18 | 110 | entry = (struct smscore_registry_entry_t *) next; |
82237416 | 111 | if (!strcmp(entry->devpath, devpath)) { |
2e5c1ec8 | 112 | kmutex_unlock(&g_smscore_registrylock); |
f17407a8 | 113 | return entry; |
2e5c1ec8 MK |
114 | } |
115 | } | |
18245e18 MK |
116 | entry = (struct smscore_registry_entry_t *) |
117 | kmalloc(sizeof(struct smscore_registry_entry_t), | |
118 | GFP_KERNEL); | |
82237416 | 119 | if (entry) { |
2e5c1ec8 MK |
120 | entry->mode = default_mode; |
121 | strcpy(entry->devpath, devpath); | |
2e5c1ec8 | 122 | list_add(&entry->entry, &g_smscore_registry); |
82237416 | 123 | } else |
a0c0abcb | 124 | sms_err("failed to create smscore_registry."); |
2e5c1ec8 | 125 | kmutex_unlock(&g_smscore_registrylock); |
f17407a8 MK |
126 | return entry; |
127 | } | |
2e5c1ec8 | 128 | |
82237416 | 129 | int smscore_registry_getmode(char *devpath) |
f17407a8 | 130 | { |
18245e18 | 131 | struct smscore_registry_entry_t *entry; |
f17407a8 | 132 | |
82237416 MK |
133 | entry = smscore_find_registry(devpath); |
134 | if (entry) | |
f17407a8 | 135 | return entry->mode; |
f17407a8 | 136 | else |
a0c0abcb | 137 | sms_err("No registry found."); |
82237416 | 138 | |
2e5c1ec8 MK |
139 | return default_mode; |
140 | } | |
a0beec8f | 141 | EXPORT_SYMBOL_GPL(smscore_registry_getmode); |
2e5c1ec8 | 142 | |
0c071f37 | 143 | static enum sms_device_type_st smscore_registry_gettype(char *devpath) |
2e5c1ec8 | 144 | { |
18245e18 | 145 | struct smscore_registry_entry_t *entry; |
2e5c1ec8 | 146 | |
82237416 MK |
147 | entry = smscore_find_registry(devpath); |
148 | if (entry) | |
f17407a8 | 149 | return entry->type; |
f17407a8 | 150 | else |
a0c0abcb | 151 | sms_err("No registry found."); |
82237416 | 152 | |
f17407a8 MK |
153 | return -1; |
154 | } | |
2e5c1ec8 | 155 | |
82237416 MK |
156 | void smscore_registry_setmode(char *devpath, int mode) |
157 | { | |
18245e18 | 158 | struct smscore_registry_entry_t *entry; |
2e5c1ec8 | 159 | |
82237416 MK |
160 | entry = smscore_find_registry(devpath); |
161 | if (entry) | |
162 | entry->mode = mode; | |
f17407a8 | 163 | else |
a0c0abcb | 164 | sms_err("No registry found."); |
82237416 | 165 | } |
2e5c1ec8 | 166 | |
0c071f37 MK |
167 | static void smscore_registry_settype(char *devpath, |
168 | enum sms_device_type_st type) | |
f17407a8 | 169 | { |
18245e18 | 170 | struct smscore_registry_entry_t *entry; |
f17407a8 | 171 | |
82237416 MK |
172 | entry = smscore_find_registry(devpath); |
173 | if (entry) | |
f17407a8 | 174 | entry->type = type; |
f17407a8 | 175 | else |
a0c0abcb | 176 | sms_err("No registry found."); |
2e5c1ec8 MK |
177 | } |
178 | ||
179 | ||
0c071f37 MK |
180 | static void list_add_locked(struct list_head *new, struct list_head *head, |
181 | spinlock_t *lock) | |
2e5c1ec8 MK |
182 | { |
183 | unsigned long flags; | |
184 | ||
185 | spin_lock_irqsave(lock, flags); | |
186 | ||
187 | list_add(new, head); | |
188 | ||
189 | spin_unlock_irqrestore(lock, flags); | |
190 | } | |
191 | ||
192 | /** | |
193 | * register a client callback that called when device plugged in/unplugged | |
194 | * NOTE: if devices exist callback is called immediately for each device | |
195 | * | |
196 | * @param hotplug callback | |
197 | * | |
198 | * @return 0 on success, <0 on error. | |
199 | */ | |
200 | int smscore_register_hotplug(hotplug_t hotplug) | |
201 | { | |
18245e18 | 202 | struct smscore_device_notifyee_t *notifyee; |
2e5c1ec8 MK |
203 | struct list_head *next, *first; |
204 | int rc = 0; | |
205 | ||
206 | kmutex_lock(&g_smscore_deviceslock); | |
207 | ||
18245e18 MK |
208 | notifyee = kmalloc(sizeof(struct smscore_device_notifyee_t), |
209 | GFP_KERNEL); | |
82237416 MK |
210 | if (notifyee) { |
211 | /* now notify callback about existing devices */ | |
2e5c1ec8 | 212 | first = &g_smscore_devices; |
82237416 MK |
213 | for (next = first->next; |
214 | next != first && !rc; | |
215 | next = next->next) { | |
18245e18 MK |
216 | struct smscore_device_t *coredev = |
217 | (struct smscore_device_t *) next; | |
2e5c1ec8 MK |
218 | rc = hotplug(coredev, coredev->device, 1); |
219 | } | |
220 | ||
82237416 | 221 | if (rc >= 0) { |
2e5c1ec8 MK |
222 | notifyee->hotplug = hotplug; |
223 | list_add(¬ifyee->entry, &g_smscore_notifyees); | |
82237416 | 224 | } else |
2e5c1ec8 | 225 | kfree(notifyee); |
82237416 | 226 | } else |
2e5c1ec8 MK |
227 | rc = -ENOMEM; |
228 | ||
229 | kmutex_unlock(&g_smscore_deviceslock); | |
230 | ||
231 | return rc; | |
232 | } | |
a0beec8f | 233 | EXPORT_SYMBOL_GPL(smscore_register_hotplug); |
2e5c1ec8 MK |
234 | |
235 | /** | |
236 | * unregister a client callback that called when device plugged in/unplugged | |
237 | * | |
238 | * @param hotplug callback | |
239 | * | |
240 | */ | |
241 | void smscore_unregister_hotplug(hotplug_t hotplug) | |
242 | { | |
243 | struct list_head *next, *first; | |
244 | ||
245 | kmutex_lock(&g_smscore_deviceslock); | |
246 | ||
247 | first = &g_smscore_notifyees; | |
248 | ||
82237416 | 249 | for (next = first->next; next != first;) { |
18245e18 MK |
250 | struct smscore_device_notifyee_t *notifyee = |
251 | (struct smscore_device_notifyee_t *) next; | |
2e5c1ec8 MK |
252 | next = next->next; |
253 | ||
82237416 | 254 | if (notifyee->hotplug == hotplug) { |
2e5c1ec8 MK |
255 | list_del(¬ifyee->entry); |
256 | kfree(notifyee); | |
257 | } | |
258 | } | |
259 | ||
260 | kmutex_unlock(&g_smscore_deviceslock); | |
261 | } | |
a0beec8f | 262 | EXPORT_SYMBOL_GPL(smscore_unregister_hotplug); |
2e5c1ec8 | 263 | |
0c071f37 | 264 | static void smscore_notify_clients(struct smscore_device_t *coredev) |
2e5c1ec8 | 265 | { |
18245e18 | 266 | struct smscore_client_t *client; |
2e5c1ec8 | 267 | |
82237416 MK |
268 | /* the client must call smscore_unregister_client from remove handler */ |
269 | while (!list_empty(&coredev->clients)) { | |
18245e18 | 270 | client = (struct smscore_client_t *) coredev->clients.next; |
2e5c1ec8 MK |
271 | client->onremove_handler(client->context); |
272 | } | |
273 | } | |
274 | ||
0c071f37 MK |
275 | static int smscore_notify_callbacks(struct smscore_device_t *coredev, |
276 | struct device *device, int arrival) | |
2e5c1ec8 MK |
277 | { |
278 | struct list_head *next, *first; | |
279 | int rc = 0; | |
280 | ||
82237416 | 281 | /* note: must be called under g_deviceslock */ |
2e5c1ec8 MK |
282 | |
283 | first = &g_smscore_notifyees; | |
284 | ||
82237416 | 285 | for (next = first->next; next != first; next = next->next) { |
18245e18 | 286 | rc = ((struct smscore_device_notifyee_t *) next)-> |
59bf6b8e | 287 | hotplug(coredev, device, arrival); |
2e5c1ec8 MK |
288 | if (rc < 0) |
289 | break; | |
290 | } | |
291 | ||
292 | return rc; | |
293 | } | |
294 | ||
0c071f37 MK |
295 | static struct |
296 | smscore_buffer_t *smscore_createbuffer(u8 *buffer, void *common_buffer, | |
a83ccdd6 | 297 | dma_addr_t common_buffer_phys) |
2e5c1ec8 | 298 | { |
18245e18 MK |
299 | struct smscore_buffer_t *cb = |
300 | kmalloc(sizeof(struct smscore_buffer_t), GFP_KERNEL); | |
82237416 | 301 | if (!cb) { |
a0c0abcb | 302 | sms_info("kmalloc(...) failed"); |
2e5c1ec8 MK |
303 | return NULL; |
304 | } | |
305 | ||
306 | cb->p = buffer; | |
494d24c5 | 307 | cb->offset_in_common = buffer - (u8 *) common_buffer; |
2e5c1ec8 MK |
308 | cb->phys = common_buffer_phys + cb->offset_in_common; |
309 | ||
310 | return cb; | |
311 | } | |
312 | ||
313 | /** | |
82237416 MK |
314 | * creates coredev object for a device, prepares buffers, |
315 | * creates buffer mappings, notifies registered hotplugs about new device. | |
2e5c1ec8 | 316 | * |
59bf6b8e MK |
317 | * @param params device pointer to struct with device specific parameters |
318 | * and handlers | |
2e5c1ec8 MK |
319 | * @param coredev pointer to a value that receives created coredev object |
320 | * | |
321 | * @return 0 on success, <0 on error. | |
322 | */ | |
18245e18 MK |
323 | int smscore_register_device(struct smsdevice_params_t *params, |
324 | struct smscore_device_t **coredev) | |
2e5c1ec8 | 325 | { |
18245e18 | 326 | struct smscore_device_t *dev; |
2e5c1ec8 MK |
327 | u8 *buffer; |
328 | ||
18245e18 | 329 | dev = kzalloc(sizeof(struct smscore_device_t), GFP_KERNEL); |
82237416 | 330 | if (!dev) { |
a0c0abcb | 331 | sms_info("kzalloc(...) failed"); |
2e5c1ec8 MK |
332 | return -ENOMEM; |
333 | } | |
334 | ||
82237416 | 335 | /* init list entry so it could be safe in smscore_unregister_device */ |
2e5c1ec8 MK |
336 | INIT_LIST_HEAD(&dev->entry); |
337 | ||
82237416 | 338 | /* init queues */ |
2e5c1ec8 | 339 | INIT_LIST_HEAD(&dev->clients); |
2e5c1ec8 MK |
340 | INIT_LIST_HEAD(&dev->buffers); |
341 | ||
82237416 | 342 | /* init locks */ |
2e5c1ec8 MK |
343 | spin_lock_init(&dev->clientslock); |
344 | spin_lock_init(&dev->bufferslock); | |
345 | ||
82237416 | 346 | /* init completion events */ |
2e5c1ec8 MK |
347 | init_completion(&dev->version_ex_done); |
348 | init_completion(&dev->data_download_done); | |
349 | init_completion(&dev->trigger_done); | |
350 | init_completion(&dev->init_device_done); | |
351 | init_completion(&dev->reload_start_done); | |
352 | init_completion(&dev->resume_done); | |
a804800a | 353 | init_completion(&dev->ir_init_done); |
2e5c1ec8 | 354 | |
82237416 | 355 | /* alloc common buffer */ |
2e5c1ec8 | 356 | dev->common_buffer_size = params->buffer_size * params->num_buffers; |
82237416 MK |
357 | dev->common_buffer = dma_alloc_coherent(NULL, dev->common_buffer_size, |
358 | &dev->common_buffer_phys, | |
359 | GFP_KERNEL | GFP_DMA); | |
360 | if (!dev->common_buffer) { | |
2e5c1ec8 MK |
361 | smscore_unregister_device(dev); |
362 | return -ENOMEM; | |
363 | } | |
364 | ||
82237416 MK |
365 | /* prepare dma buffers */ |
366 | for (buffer = dev->common_buffer; | |
367 | dev->num_buffers < params->num_buffers; | |
fa830e8a | 368 | dev->num_buffers++, buffer += params->buffer_size) { |
18245e18 | 369 | struct smscore_buffer_t *cb = |
59bf6b8e MK |
370 | smscore_createbuffer(buffer, dev->common_buffer, |
371 | dev->common_buffer_phys); | |
82237416 | 372 | if (!cb) { |
2e5c1ec8 MK |
373 | smscore_unregister_device(dev); |
374 | return -ENOMEM; | |
375 | } | |
376 | ||
377 | smscore_putbuffer(dev, cb); | |
378 | } | |
379 | ||
a0c0abcb | 380 | sms_info("allocated %d buffers", dev->num_buffers); |
2e5c1ec8 MK |
381 | |
382 | dev->mode = DEVICE_MODE_NONE; | |
383 | dev->context = params->context; | |
384 | dev->device = params->device; | |
385 | dev->setmode_handler = params->setmode_handler; | |
386 | dev->detectmode_handler = params->detectmode_handler; | |
387 | dev->sendrequest_handler = params->sendrequest_handler; | |
388 | dev->preload_handler = params->preload_handler; | |
389 | dev->postload_handler = params->postload_handler; | |
390 | ||
391 | dev->device_flags = params->flags; | |
392 | strcpy(dev->devpath, params->devpath); | |
393 | ||
82237416 | 394 | smscore_registry_settype(dev->devpath, params->device_type); |
f17407a8 | 395 | |
82237416 | 396 | /* add device to devices list */ |
2e5c1ec8 MK |
397 | kmutex_lock(&g_smscore_deviceslock); |
398 | list_add(&dev->entry, &g_smscore_devices); | |
399 | kmutex_unlock(&g_smscore_deviceslock); | |
400 | ||
401 | *coredev = dev; | |
402 | ||
a0c0abcb | 403 | sms_info("device %p created", dev); |
2e5c1ec8 MK |
404 | |
405 | return 0; | |
406 | } | |
a0beec8f | 407 | EXPORT_SYMBOL_GPL(smscore_register_device); |
2e5c1ec8 | 408 | |
a804800a US |
409 | |
410 | static int smscore_sendrequest_and_wait(struct smscore_device_t *coredev, | |
411 | void *buffer, size_t size, struct completion *completion) { | |
412 | int rc = coredev->sendrequest_handler(coredev->context, buffer, size); | |
413 | if (rc < 0) { | |
414 | sms_info("sendrequest returned error %d", rc); | |
415 | return rc; | |
416 | } | |
417 | ||
418 | return wait_for_completion_timeout(completion, | |
419 | msecs_to_jiffies(SMS_PROTOCOL_MAX_RAOUNDTRIP_MS)) ? | |
420 | 0 : -ETIME; | |
421 | } | |
422 | ||
423 | /** | |
424 | * Starts & enables IR operations | |
425 | * | |
426 | * @return 0 on success, < 0 on error. | |
427 | */ | |
428 | static int smscore_init_ir(struct smscore_device_t *coredev) | |
429 | { | |
430 | int ir_io; | |
431 | int rc; | |
432 | void *buffer; | |
433 | ||
434 | coredev->ir.input_dev = NULL; | |
435 | ir_io = sms_get_board(smscore_get_board_id(coredev))->board_cfg.ir; | |
436 | if (ir_io) {/* only if IR port exist we use IR sub-module */ | |
437 | sms_info("IR loading"); | |
438 | rc = sms_ir_init(coredev); | |
439 | ||
440 | if (rc != 0) | |
441 | sms_err("Error initialization DTV IR sub-module"); | |
442 | else { | |
443 | buffer = kmalloc(sizeof(struct SmsMsgData_ST2) + | |
444 | SMS_DMA_ALIGNMENT, | |
445 | GFP_KERNEL | GFP_DMA); | |
446 | if (buffer) { | |
447 | struct SmsMsgData_ST2 *msg = | |
448 | (struct SmsMsgData_ST2 *) | |
449 | SMS_ALIGN_ADDRESS(buffer); | |
450 | ||
451 | SMS_INIT_MSG(&msg->xMsgHeader, | |
452 | MSG_SMS_START_IR_REQ, | |
453 | sizeof(struct SmsMsgData_ST2)); | |
454 | msg->msgData[0] = coredev->ir.controller; | |
455 | msg->msgData[1] = coredev->ir.timeout; | |
456 | ||
457 | smsendian_handle_tx_message( | |
458 | (struct SmsMsgHdr_ST2 *)msg); | |
459 | rc = smscore_sendrequest_and_wait(coredev, msg, | |
460 | msg->xMsgHeader. msgLength, | |
461 | &coredev->ir_init_done); | |
462 | ||
463 | kfree(buffer); | |
464 | } else | |
465 | sms_err | |
466 | ("Sending IR initialization message failed"); | |
467 | } | |
468 | } else | |
469 | sms_info("IR port has not been detected"); | |
470 | ||
471 | return 0; | |
472 | } | |
473 | ||
2e5c1ec8 MK |
474 | /** |
475 | * sets initial device mode and notifies client hotplugs that device is ready | |
476 | * | |
59bf6b8e MK |
477 | * @param coredev pointer to a coredev object returned by |
478 | * smscore_register_device | |
2e5c1ec8 MK |
479 | * |
480 | * @return 0 on success, <0 on error. | |
481 | */ | |
18245e18 | 482 | int smscore_start_device(struct smscore_device_t *coredev) |
2e5c1ec8 | 483 | { |
59bf6b8e MK |
484 | int rc = smscore_set_device_mode( |
485 | coredev, smscore_registry_getmode(coredev->devpath)); | |
82237416 | 486 | if (rc < 0) { |
a0c0abcb | 487 | sms_info("set device mode faile , rc %d", rc); |
2e5c1ec8 | 488 | return rc; |
f17407a8 | 489 | } |
2e5c1ec8 MK |
490 | |
491 | kmutex_lock(&g_smscore_deviceslock); | |
492 | ||
493 | rc = smscore_notify_callbacks(coredev, coredev->device, 1); | |
a804800a | 494 | smscore_init_ir(coredev); |
2e5c1ec8 | 495 | |
a0c0abcb | 496 | sms_info("device %p started, rc %d", coredev, rc); |
2e5c1ec8 MK |
497 | |
498 | kmutex_unlock(&g_smscore_deviceslock); | |
499 | ||
500 | return rc; | |
501 | } | |
a0beec8f | 502 | EXPORT_SYMBOL_GPL(smscore_start_device); |
2e5c1ec8 | 503 | |
2e5c1ec8 | 504 | |
0c071f37 MK |
505 | static int smscore_load_firmware_family2(struct smscore_device_t *coredev, |
506 | void *buffer, size_t size) | |
2e5c1ec8 | 507 | { |
18245e18 MK |
508 | struct SmsFirmware_ST *firmware = (struct SmsFirmware_ST *) buffer; |
509 | struct SmsMsgHdr_ST *msg; | |
f0333e3d | 510 | u32 mem_address = firmware->StartAddress; |
a83ccdd6 | 511 | u8 *payload = firmware->Payload; |
2e5c1ec8 MK |
512 | int rc = 0; |
513 | ||
a0c0abcb MK |
514 | sms_info("loading FW to addr 0x%x size %d", |
515 | mem_address, firmware->Length); | |
82237416 | 516 | if (coredev->preload_handler) { |
2e5c1ec8 MK |
517 | rc = coredev->preload_handler(coredev->context); |
518 | if (rc < 0) | |
519 | return rc; | |
520 | } | |
521 | ||
82237416 | 522 | /* PAGE_SIZE buffer shall be enough and dma aligned */ |
e080842c | 523 | msg = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA); |
2e5c1ec8 MK |
524 | if (!msg) |
525 | return -ENOMEM; | |
526 | ||
82237416 | 527 | if (coredev->mode != DEVICE_MODE_NONE) { |
2522dc13 | 528 | sms_debug("sending reload command."); |
82237416 | 529 | SMS_INIT_MSG(msg, MSG_SW_RELOAD_START_REQ, |
18245e18 | 530 | sizeof(struct SmsMsgHdr_ST)); |
82237416 MK |
531 | rc = smscore_sendrequest_and_wait(coredev, msg, |
532 | msg->msgLength, | |
533 | &coredev->reload_start_done); | |
f0333e3d | 534 | mem_address = *(u32 *) &payload[20]; |
2e5c1ec8 MK |
535 | } |
536 | ||
fa830e8a | 537 | while (size && rc >= 0) { |
18245e18 MK |
538 | struct SmsDataDownload_ST *DataMsg = |
539 | (struct SmsDataDownload_ST *) msg; | |
2e5c1ec8 MK |
540 | int payload_size = min((int) size, SMS_MAX_PAYLOAD_SIZE); |
541 | ||
82237416 | 542 | SMS_INIT_MSG(msg, MSG_SMS_DATA_DOWNLOAD_REQ, |
18245e18 | 543 | (u16)(sizeof(struct SmsMsgHdr_ST) + |
f0333e3d | 544 | sizeof(u32) + payload_size)); |
2e5c1ec8 MK |
545 | |
546 | DataMsg->MemAddr = mem_address; | |
547 | memcpy(DataMsg->Payload, payload, payload_size); | |
548 | ||
82237416 MK |
549 | if ((coredev->device_flags & SMS_ROM_NO_RESPONSE) && |
550 | (coredev->mode == DEVICE_MODE_NONE)) | |
59bf6b8e MK |
551 | rc = coredev->sendrequest_handler( |
552 | coredev->context, DataMsg, | |
553 | DataMsg->xMsgHeader.msgLength); | |
2e5c1ec8 | 554 | else |
59bf6b8e MK |
555 | rc = smscore_sendrequest_and_wait( |
556 | coredev, DataMsg, | |
557 | DataMsg->xMsgHeader.msgLength, | |
558 | &coredev->data_download_done); | |
2e5c1ec8 MK |
559 | |
560 | payload += payload_size; | |
561 | size -= payload_size; | |
562 | mem_address += payload_size; | |
563 | } | |
564 | ||
82237416 MK |
565 | if (rc >= 0) { |
566 | if (coredev->mode == DEVICE_MODE_NONE) { | |
18245e18 MK |
567 | struct SmsMsgData_ST *TriggerMsg = |
568 | (struct SmsMsgData_ST *) msg; | |
2e5c1ec8 | 569 | |
82237416 | 570 | SMS_INIT_MSG(msg, MSG_SMS_SWDOWNLOAD_TRIGGER_REQ, |
18245e18 | 571 | sizeof(struct SmsMsgHdr_ST) + |
f0333e3d | 572 | sizeof(u32) * 5); |
2e5c1ec8 | 573 | |
59bf6b8e MK |
574 | TriggerMsg->msgData[0] = firmware->StartAddress; |
575 | /* Entry point */ | |
fa830e8a MK |
576 | TriggerMsg->msgData[1] = 5; /* Priority */ |
577 | TriggerMsg->msgData[2] = 0x200; /* Stack size */ | |
578 | TriggerMsg->msgData[3] = 0; /* Parameter */ | |
579 | TriggerMsg->msgData[4] = 4; /* Task ID */ | |
2e5c1ec8 | 580 | |
82237416 | 581 | if (coredev->device_flags & SMS_ROM_NO_RESPONSE) { |
59bf6b8e MK |
582 | rc = coredev->sendrequest_handler( |
583 | coredev->context, TriggerMsg, | |
584 | TriggerMsg->xMsgHeader.msgLength); | |
2e5c1ec8 | 585 | msleep(100); |
82237416 | 586 | } else |
59bf6b8e MK |
587 | rc = smscore_sendrequest_and_wait( |
588 | coredev, TriggerMsg, | |
589 | TriggerMsg->xMsgHeader.msgLength, | |
590 | &coredev->trigger_done); | |
82237416 MK |
591 | } else { |
592 | SMS_INIT_MSG(msg, MSG_SW_RELOAD_EXEC_REQ, | |
18245e18 | 593 | sizeof(struct SmsMsgHdr_ST)); |
2e5c1ec8 | 594 | |
82237416 MK |
595 | rc = coredev->sendrequest_handler(coredev->context, |
596 | msg, msg->msgLength); | |
2e5c1ec8 | 597 | } |
82237416 | 598 | msleep(500); |
2e5c1ec8 MK |
599 | } |
600 | ||
a0c0abcb | 601 | sms_debug("rc=%d, postload=%p ", rc, |
068d6c0f | 602 | coredev->postload_handler); |
2e5c1ec8 MK |
603 | |
604 | kfree(msg); | |
605 | ||
f17407a8 | 606 | return ((rc >= 0) && coredev->postload_handler) ? |
2e5c1ec8 MK |
607 | coredev->postload_handler(coredev->context) : |
608 | rc; | |
609 | } | |
610 | ||
611 | /** | |
612 | * loads specified firmware into a buffer and calls device loadfirmware_handler | |
613 | * | |
59bf6b8e MK |
614 | * @param coredev pointer to a coredev object returned by |
615 | * smscore_register_device | |
2e5c1ec8 MK |
616 | * @param filename null-terminated string specifies firmware file name |
617 | * @param loadfirmware_handler device handler that loads firmware | |
618 | * | |
619 | * @return 0 on success, <0 on error. | |
620 | */ | |
0c071f37 MK |
621 | static int smscore_load_firmware_from_file(struct smscore_device_t *coredev, |
622 | char *filename, | |
623 | loadfirmware_t loadfirmware_handler) | |
2e5c1ec8 MK |
624 | { |
625 | int rc = -ENOENT; | |
2e5c1ec8 | 626 | const struct firmware *fw; |
a83ccdd6 | 627 | u8 *fw_buffer; |
2e5c1ec8 | 628 | |
82237416 MK |
629 | if (loadfirmware_handler == NULL && !(coredev->device_flags & |
630 | SMS_DEVICE_FAMILY2)) | |
2e5c1ec8 MK |
631 | return -EINVAL; |
632 | ||
633 | rc = request_firmware(&fw, filename, coredev->device); | |
82237416 | 634 | if (rc < 0) { |
a0c0abcb | 635 | sms_info("failed to open \"%s\"", filename); |
2e5c1ec8 MK |
636 | return rc; |
637 | } | |
0f2a1ee1 | 638 | sms_info("read FW %s, size=%zd", filename, fw->size); |
82237416 MK |
639 | fw_buffer = kmalloc(ALIGN(fw->size, SMS_ALLOC_ALIGNMENT), |
640 | GFP_KERNEL | GFP_DMA); | |
641 | if (fw_buffer) { | |
2e5c1ec8 MK |
642 | memcpy(fw_buffer, fw->data, fw->size); |
643 | ||
644 | rc = (coredev->device_flags & SMS_DEVICE_FAMILY2) ? | |
59bf6b8e MK |
645 | smscore_load_firmware_family2(coredev, |
646 | fw_buffer, | |
647 | fw->size) : | |
648 | loadfirmware_handler(coredev->context, | |
649 | fw_buffer, fw->size); | |
2e5c1ec8 MK |
650 | |
651 | kfree(fw_buffer); | |
82237416 | 652 | } else { |
a0c0abcb | 653 | sms_info("failed to allocate firmware buffer"); |
2e5c1ec8 MK |
654 | rc = -ENOMEM; |
655 | } | |
656 | ||
657 | release_firmware(fw); | |
658 | ||
659 | return rc; | |
660 | } | |
661 | ||
662 | /** | |
59bf6b8e MK |
663 | * notifies all clients registered with the device, notifies hotplugs, |
664 | * frees all buffers and coredev object | |
2e5c1ec8 | 665 | * |
59bf6b8e MK |
666 | * @param coredev pointer to a coredev object returned by |
667 | * smscore_register_device | |
2e5c1ec8 MK |
668 | * |
669 | * @return 0 on success, <0 on error. | |
670 | */ | |
18245e18 | 671 | void smscore_unregister_device(struct smscore_device_t *coredev) |
2e5c1ec8 | 672 | { |
18245e18 | 673 | struct smscore_buffer_t *cb; |
2e5c1ec8 | 674 | int num_buffers = 0; |
f17407a8 | 675 | int retry = 0; |
2e5c1ec8 MK |
676 | |
677 | kmutex_lock(&g_smscore_deviceslock); | |
678 | ||
a804800a US |
679 | /* Release input device (IR) resources */ |
680 | sms_ir_exit(coredev); | |
681 | ||
2e5c1ec8 MK |
682 | smscore_notify_clients(coredev); |
683 | smscore_notify_callbacks(coredev, NULL, 0); | |
684 | ||
82237416 MK |
685 | /* at this point all buffers should be back |
686 | * onresponse must no longer be called */ | |
2e5c1ec8 | 687 | |
82237416 MK |
688 | while (1) { |
689 | while ((cb = smscore_getbuffer(coredev))) { | |
2e5c1ec8 | 690 | kfree(cb); |
fa830e8a | 691 | num_buffers++; |
2e5c1ec8 | 692 | } |
2e5c1ec8 MK |
693 | if (num_buffers == coredev->num_buffers) |
694 | break; | |
82237416 | 695 | if (++retry > 10) { |
a0c0abcb MK |
696 | sms_info("exiting although " |
697 | "not all buffers released."); | |
f17407a8 MK |
698 | break; |
699 | } | |
2e5c1ec8 | 700 | |
a0c0abcb | 701 | sms_info("waiting for %d buffer(s)", |
068d6c0f | 702 | coredev->num_buffers - num_buffers); |
2e5c1ec8 MK |
703 | msleep(100); |
704 | } | |
705 | ||
a0c0abcb | 706 | sms_info("freed %d buffers", num_buffers); |
2e5c1ec8 MK |
707 | |
708 | if (coredev->common_buffer) | |
82237416 MK |
709 | dma_free_coherent(NULL, coredev->common_buffer_size, |
710 | coredev->common_buffer, | |
711 | coredev->common_buffer_phys); | |
2e5c1ec8 MK |
712 | |
713 | list_del(&coredev->entry); | |
714 | kfree(coredev); | |
715 | ||
716 | kmutex_unlock(&g_smscore_deviceslock); | |
717 | ||
a0c0abcb | 718 | sms_info("device %p destroyed", coredev); |
2e5c1ec8 | 719 | } |
a0beec8f | 720 | EXPORT_SYMBOL_GPL(smscore_unregister_device); |
2e5c1ec8 | 721 | |
0c071f37 | 722 | static int smscore_detect_mode(struct smscore_device_t *coredev) |
2e5c1ec8 | 723 | { |
18245e18 | 724 | void *buffer = kmalloc(sizeof(struct SmsMsgHdr_ST) + SMS_DMA_ALIGNMENT, |
82237416 | 725 | GFP_KERNEL | GFP_DMA); |
18245e18 MK |
726 | struct SmsMsgHdr_ST *msg = |
727 | (struct SmsMsgHdr_ST *) SMS_ALIGN_ADDRESS(buffer); | |
2e5c1ec8 MK |
728 | int rc; |
729 | ||
730 | if (!buffer) | |
731 | return -ENOMEM; | |
732 | ||
18245e18 MK |
733 | SMS_INIT_MSG(msg, MSG_SMS_GET_VERSION_EX_REQ, |
734 | sizeof(struct SmsMsgHdr_ST)); | |
2e5c1ec8 | 735 | |
82237416 MK |
736 | rc = smscore_sendrequest_and_wait(coredev, msg, msg->msgLength, |
737 | &coredev->version_ex_done); | |
738 | if (rc == -ETIME) { | |
a0c0abcb | 739 | sms_err("MSG_SMS_GET_VERSION_EX_REQ failed first try"); |
2e5c1ec8 | 740 | |
82237416 MK |
741 | if (wait_for_completion_timeout(&coredev->resume_done, |
742 | msecs_to_jiffies(5000))) { | |
59bf6b8e MK |
743 | rc = smscore_sendrequest_and_wait( |
744 | coredev, msg, msg->msgLength, | |
745 | &coredev->version_ex_done); | |
2e5c1ec8 | 746 | if (rc < 0) |
a0c0abcb MK |
747 | sms_err("MSG_SMS_GET_VERSION_EX_REQ failed " |
748 | "second try, rc %d", rc); | |
82237416 | 749 | } else |
2e5c1ec8 MK |
750 | rc = -ETIME; |
751 | } | |
752 | ||
753 | kfree(buffer); | |
754 | ||
755 | return rc; | |
756 | } | |
757 | ||
0c071f37 | 758 | static char *smscore_fw_lkup[][SMS_NUM_OF_DEVICE_TYPES] = { |
fbd05c82 MK |
759 | /*Stellar NOVA A0 Nova B0 VEGA*/ |
760 | /*DVBT*/ | |
761 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, | |
762 | /*DVBH*/ | |
763 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, | |
764 | /*TDMB*/ | |
e0f14c25 | 765 | {"none", "tdmb_nova_12mhz.inp", "tdmb_nova_12mhz_b0.inp", "none"}, |
fbd05c82 MK |
766 | /*DABIP*/ |
767 | {"none", "none", "none", "none"}, | |
768 | /*BDA*/ | |
769 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, | |
770 | /*ISDBT*/ | |
771 | {"none", "isdbt_nova_12mhz.inp", "dvb_nova_12mhz.inp", "none"}, | |
772 | /*ISDBTBDA*/ | |
773 | {"none", "isdbt_nova_12mhz.inp", "isdbt_nova_12mhz_b0.inp", "none"}, | |
774 | /*CMMB*/ | |
775 | {"none", "none", "none", "cmmb_vega_12mhz.inp"} | |
2e5c1ec8 MK |
776 | }; |
777 | ||
02aea4fb MK |
778 | static inline char *sms_get_fw_name(struct smscore_device_t *coredev, |
779 | int mode, enum sms_device_type_st type) | |
780 | { | |
781 | char **fw = sms_get_board(smscore_get_board_id(coredev))->fw; | |
782 | return (fw && fw[mode]) ? fw[mode] : smscore_fw_lkup[mode][type]; | |
783 | } | |
f17407a8 | 784 | |
2e5c1ec8 MK |
785 | /** |
786 | * calls device handler to change mode of operation | |
787 | * NOTE: stellar/usb may disconnect when changing mode | |
788 | * | |
59bf6b8e MK |
789 | * @param coredev pointer to a coredev object returned by |
790 | * smscore_register_device | |
2e5c1ec8 MK |
791 | * @param mode requested mode of operation |
792 | * | |
793 | * @return 0 on success, <0 on error. | |
794 | */ | |
18245e18 | 795 | int smscore_set_device_mode(struct smscore_device_t *coredev, int mode) |
2e5c1ec8 MK |
796 | { |
797 | void *buffer; | |
798 | int rc = 0; | |
18245e18 | 799 | enum sms_device_type_st type; |
2e5c1ec8 | 800 | |
2522dc13 | 801 | sms_debug("set device mode to %d", mode); |
82237416 MK |
802 | if (coredev->device_flags & SMS_DEVICE_FAMILY2) { |
803 | if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_RAW_TUNER) { | |
eb250942 | 804 | sms_err("invalid mode specified %d", mode); |
2e5c1ec8 MK |
805 | return -EINVAL; |
806 | } | |
807 | ||
f17407a8 MK |
808 | smscore_registry_setmode(coredev->devpath, mode); |
809 | ||
82237416 | 810 | if (!(coredev->device_flags & SMS_DEVICE_NOT_READY)) { |
2e5c1ec8 | 811 | rc = smscore_detect_mode(coredev); |
82237416 | 812 | if (rc < 0) { |
eb250942 | 813 | sms_err("mode detect failed %d", rc); |
2e5c1ec8 | 814 | return rc; |
82237416 | 815 | } |
f17407a8 | 816 | } |
2e5c1ec8 | 817 | |
82237416 | 818 | if (coredev->mode == mode) { |
a0c0abcb | 819 | sms_info("device mode %d already set", mode); |
2e5c1ec8 MK |
820 | return 0; |
821 | } | |
822 | ||
82237416 | 823 | if (!(coredev->modes_supported & (1 << mode))) { |
02aea4fb MK |
824 | char *fw_filename; |
825 | ||
82237416 | 826 | type = smscore_registry_gettype(coredev->devpath); |
02aea4fb MK |
827 | fw_filename = sms_get_fw_name(coredev, mode, type); |
828 | ||
829 | rc = smscore_load_firmware_from_file(coredev, | |
830 | fw_filename, NULL); | |
82237416 | 831 | if (rc < 0) { |
5068b7a4 MK |
832 | sms_warn("error %d loading firmware: %s, " |
833 | "trying again with default firmware", | |
834 | rc, fw_filename); | |
02aea4fb MK |
835 | |
836 | /* try again with the default firmware */ | |
5068b7a4 | 837 | fw_filename = smscore_fw_lkup[mode][type]; |
02aea4fb | 838 | rc = smscore_load_firmware_from_file(coredev, |
5068b7a4 | 839 | fw_filename, NULL); |
02aea4fb MK |
840 | |
841 | if (rc < 0) { | |
5068b7a4 MK |
842 | sms_warn("error %d loading " |
843 | "firmware: %s", rc, | |
844 | fw_filename); | |
02aea4fb MK |
845 | return rc; |
846 | } | |
82237416 | 847 | } |
5068b7a4 | 848 | sms_log("firmware download success: %s", fw_filename); |
82237416 | 849 | } else |
a0c0abcb MK |
850 | sms_info("mode %d supported by running " |
851 | "firmware", mode); | |
2e5c1ec8 | 852 | |
18245e18 MK |
853 | buffer = kmalloc(sizeof(struct SmsMsgData_ST) + |
854 | SMS_DMA_ALIGNMENT, GFP_KERNEL | GFP_DMA); | |
82237416 | 855 | if (buffer) { |
18245e18 MK |
856 | struct SmsMsgData_ST *msg = |
857 | (struct SmsMsgData_ST *) | |
858 | SMS_ALIGN_ADDRESS(buffer); | |
2e5c1ec8 | 859 | |
59bf6b8e | 860 | SMS_INIT_MSG(&msg->xMsgHeader, MSG_SMS_INIT_DEVICE_REQ, |
18245e18 | 861 | sizeof(struct SmsMsgData_ST)); |
2e5c1ec8 MK |
862 | msg->msgData[0] = mode; |
863 | ||
59bf6b8e MK |
864 | rc = smscore_sendrequest_and_wait( |
865 | coredev, msg, msg->xMsgHeader.msgLength, | |
866 | &coredev->init_device_done); | |
2e5c1ec8 MK |
867 | |
868 | kfree(buffer); | |
82237416 | 869 | } else { |
eb250942 MK |
870 | sms_err("Could not allocate buffer for " |
871 | "init device message."); | |
2e5c1ec8 | 872 | rc = -ENOMEM; |
82237416 MK |
873 | } |
874 | } else { | |
875 | if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) { | |
eb250942 | 876 | sms_err("invalid mode specified %d", mode); |
f17407a8 MK |
877 | return -EINVAL; |
878 | } | |
879 | ||
880 | smscore_registry_setmode(coredev->devpath, mode); | |
881 | ||
2e5c1ec8 | 882 | if (coredev->detectmode_handler) |
82237416 MK |
883 | coredev->detectmode_handler(coredev->context, |
884 | &coredev->mode); | |
2e5c1ec8 MK |
885 | |
886 | if (coredev->mode != mode && coredev->setmode_handler) | |
887 | rc = coredev->setmode_handler(coredev->context, mode); | |
888 | } | |
889 | ||
82237416 | 890 | if (rc >= 0) { |
2e5c1ec8 MK |
891 | coredev->mode = mode; |
892 | coredev->device_flags &= ~SMS_DEVICE_NOT_READY; | |
893 | } | |
894 | ||
f17407a8 | 895 | if (rc != 0) |
eb250942 | 896 | sms_err("return error code %d.", rc); |
2e5c1ec8 MK |
897 | return rc; |
898 | } | |
899 | ||
900 | /** | |
901 | * calls device handler to get current mode of operation | |
902 | * | |
59bf6b8e MK |
903 | * @param coredev pointer to a coredev object returned by |
904 | * smscore_register_device | |
2e5c1ec8 MK |
905 | * |
906 | * @return current mode | |
907 | */ | |
18245e18 | 908 | int smscore_get_device_mode(struct smscore_device_t *coredev) |
2e5c1ec8 MK |
909 | { |
910 | return coredev->mode; | |
911 | } | |
a0beec8f | 912 | EXPORT_SYMBOL_GPL(smscore_get_device_mode); |
2e5c1ec8 | 913 | |
f17407a8 MK |
914 | /** |
915 | * find client by response id & type within the clients list. | |
916 | * return client handle or NULL. | |
917 | * | |
59bf6b8e MK |
918 | * @param coredev pointer to a coredev object returned by |
919 | * smscore_register_device | |
f17407a8 | 920 | * @param data_type client data type (SMS_DONT_CARE for all types) |
82237416 | 921 | * @param id client id (SMS_DONT_CARE for all id) |
f17407a8 MK |
922 | * |
923 | */ | |
0c071f37 MK |
924 | static struct |
925 | smscore_client_t *smscore_find_client(struct smscore_device_t *coredev, | |
59bf6b8e | 926 | int data_type, int id) |
2e5c1ec8 | 927 | { |
18245e18 | 928 | struct smscore_client_t *client = NULL; |
2e5c1ec8 MK |
929 | struct list_head *next, *first; |
930 | unsigned long flags; | |
f17407a8 | 931 | struct list_head *firstid, *nextid; |
2e5c1ec8 | 932 | |
2e5c1ec8 MK |
933 | |
934 | spin_lock_irqsave(&coredev->clientslock, flags); | |
2e5c1ec8 | 935 | first = &coredev->clients; |
82237416 MK |
936 | for (next = first->next; |
937 | (next != first) && !client; | |
938 | next = next->next) { | |
18245e18 | 939 | firstid = &((struct smscore_client_t *)next)->idlist; |
82237416 MK |
940 | for (nextid = firstid->next; |
941 | nextid != firstid; | |
942 | nextid = nextid->next) { | |
18245e18 MK |
943 | if ((((struct smscore_idlist_t *)nextid)->id == id) && |
944 | (((struct smscore_idlist_t *)nextid)->data_type == data_type || | |
945 | (((struct smscore_idlist_t *)nextid)->data_type == 0))) { | |
946 | client = (struct smscore_client_t *) next; | |
82237416 MK |
947 | break; |
948 | } | |
2e5c1ec8 MK |
949 | } |
950 | } | |
2e5c1ec8 | 951 | spin_unlock_irqrestore(&coredev->clientslock, flags); |
2e5c1ec8 MK |
952 | return client; |
953 | } | |
954 | ||
955 | /** | |
956 | * find client by response id/type, call clients onresponse handler | |
957 | * return buffer to pool on error | |
958 | * | |
59bf6b8e MK |
959 | * @param coredev pointer to a coredev object returned by |
960 | * smscore_register_device | |
2e5c1ec8 MK |
961 | * @param cb pointer to response buffer descriptor |
962 | * | |
963 | */ | |
18245e18 | 964 | void smscore_onresponse(struct smscore_device_t *coredev, |
793786d1 US |
965 | struct smscore_buffer_t *cb) { |
966 | struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) ((u8 *) cb->p | |
967 | + cb->offset); | |
968 | struct smscore_client_t *client; | |
2e5c1ec8 | 969 | int rc = -EBUSY; |
fbd05c82 MK |
970 | static unsigned long last_sample_time; /* = 0; */ |
971 | static int data_total; /* = 0; */ | |
2e5c1ec8 MK |
972 | unsigned long time_now = jiffies_to_msecs(jiffies); |
973 | ||
974 | if (!last_sample_time) | |
975 | last_sample_time = time_now; | |
976 | ||
fa830e8a | 977 | if (time_now - last_sample_time > 10000) { |
a0c0abcb | 978 | sms_debug("\ndata rate %d bytes/secs", |
068d6c0f MK |
979 | (int)((data_total * 1000) / |
980 | (time_now - last_sample_time))); | |
2e5c1ec8 MK |
981 | |
982 | last_sample_time = time_now; | |
983 | data_total = 0; | |
984 | } | |
985 | ||
986 | data_total += cb->size; | |
793786d1 US |
987 | /* Do we need to re-route? */ |
988 | if ((phdr->msgType == MSG_SMS_HO_PER_SLICES_IND) || | |
989 | (phdr->msgType == MSG_SMS_TRANSMISSION_IND)) { | |
990 | if (coredev->mode == DEVICE_MODE_DVBT_BDA) | |
991 | phdr->msgDstId = DVBT_BDA_CONTROL_MSG_ID; | |
992 | } | |
993 | ||
994 | ||
995 | client = smscore_find_client(coredev, phdr->msgType, phdr->msgDstId); | |
996 | ||
82237416 MK |
997 | /* If no client registered for type & id, |
998 | * check for control client where type is not registered */ | |
2e5c1ec8 MK |
999 | if (client) |
1000 | rc = client->onresponse_handler(client->context, cb); | |
1001 | ||
82237416 MK |
1002 | if (rc < 0) { |
1003 | switch (phdr->msgType) { | |
1004 | case MSG_SMS_GET_VERSION_EX_RES: | |
2e5c1ec8 | 1005 | { |
18245e18 MK |
1006 | struct SmsVersionRes_ST *ver = |
1007 | (struct SmsVersionRes_ST *) phdr; | |
a0c0abcb MK |
1008 | sms_debug("MSG_SMS_GET_VERSION_EX_RES " |
1009 | "id %d prots 0x%x ver %d.%d", | |
068d6c0f MK |
1010 | ver->FirmwareId, ver->SupportedProtocols, |
1011 | ver->RomVersionMajor, ver->RomVersionMinor); | |
2e5c1ec8 | 1012 | |
82237416 MK |
1013 | coredev->mode = ver->FirmwareId == 255 ? |
1014 | DEVICE_MODE_NONE : ver->FirmwareId; | |
1015 | coredev->modes_supported = ver->SupportedProtocols; | |
2e5c1ec8 | 1016 | |
82237416 MK |
1017 | complete(&coredev->version_ex_done); |
1018 | break; | |
1019 | } | |
1020 | case MSG_SMS_INIT_DEVICE_RES: | |
a0c0abcb | 1021 | sms_debug("MSG_SMS_INIT_DEVICE_RES"); |
82237416 MK |
1022 | complete(&coredev->init_device_done); |
1023 | break; | |
1024 | case MSG_SW_RELOAD_START_RES: | |
a0c0abcb | 1025 | sms_debug("MSG_SW_RELOAD_START_RES"); |
82237416 MK |
1026 | complete(&coredev->reload_start_done); |
1027 | break; | |
1028 | case MSG_SMS_DATA_DOWNLOAD_RES: | |
1029 | complete(&coredev->data_download_done); | |
1030 | break; | |
1031 | case MSG_SW_RELOAD_EXEC_RES: | |
a0c0abcb | 1032 | sms_debug("MSG_SW_RELOAD_EXEC_RES"); |
82237416 MK |
1033 | break; |
1034 | case MSG_SMS_SWDOWNLOAD_TRIGGER_RES: | |
a0c0abcb | 1035 | sms_debug("MSG_SMS_SWDOWNLOAD_TRIGGER_RES"); |
82237416 MK |
1036 | complete(&coredev->trigger_done); |
1037 | break; | |
1038 | case MSG_SMS_SLEEP_RESUME_COMP_IND: | |
1039 | complete(&coredev->resume_done); | |
1040 | break; | |
a804800a US |
1041 | case MSG_SMS_START_IR_RES: |
1042 | complete(&coredev->ir_init_done); | |
1043 | break; | |
1044 | case MSG_SMS_IR_SAMPLES_IND: | |
1045 | sms_ir_event(coredev, | |
1046 | (const char *) | |
1047 | ((char *)phdr | |
1048 | + sizeof(struct SmsMsgHdr_ST)), | |
1049 | (int)phdr->msgLength | |
1050 | - sizeof(struct SmsMsgHdr_ST)); | |
1051 | break; | |
1052 | ||
82237416 MK |
1053 | default: |
1054 | break; | |
2e5c1ec8 | 1055 | } |
2e5c1ec8 MK |
1056 | smscore_putbuffer(coredev, cb); |
1057 | } | |
1058 | } | |
a0beec8f | 1059 | EXPORT_SYMBOL_GPL(smscore_onresponse); |
2e5c1ec8 MK |
1060 | |
1061 | /** | |
1062 | * return pointer to next free buffer descriptor from core pool | |
1063 | * | |
59bf6b8e MK |
1064 | * @param coredev pointer to a coredev object returned by |
1065 | * smscore_register_device | |
2e5c1ec8 MK |
1066 | * |
1067 | * @return pointer to descriptor on success, NULL on error. | |
1068 | */ | |
18245e18 | 1069 | struct smscore_buffer_t *smscore_getbuffer(struct smscore_device_t *coredev) |
2e5c1ec8 | 1070 | { |
18245e18 | 1071 | struct smscore_buffer_t *cb = NULL; |
2e5c1ec8 MK |
1072 | unsigned long flags; |
1073 | ||
1074 | spin_lock_irqsave(&coredev->bufferslock, flags); | |
1075 | ||
82237416 | 1076 | if (!list_empty(&coredev->buffers)) { |
18245e18 | 1077 | cb = (struct smscore_buffer_t *) coredev->buffers.next; |
2e5c1ec8 MK |
1078 | list_del(&cb->entry); |
1079 | } | |
1080 | ||
1081 | spin_unlock_irqrestore(&coredev->bufferslock, flags); | |
1082 | ||
1083 | return cb; | |
1084 | } | |
a0beec8f | 1085 | EXPORT_SYMBOL_GPL(smscore_getbuffer); |
2e5c1ec8 MK |
1086 | |
1087 | /** | |
1088 | * return buffer descriptor to a pool | |
1089 | * | |
59bf6b8e MK |
1090 | * @param coredev pointer to a coredev object returned by |
1091 | * smscore_register_device | |
2e5c1ec8 MK |
1092 | * @param cb pointer buffer descriptor |
1093 | * | |
1094 | */ | |
18245e18 MK |
1095 | void smscore_putbuffer(struct smscore_device_t *coredev, |
1096 | struct smscore_buffer_t *cb) | |
2e5c1ec8 MK |
1097 | { |
1098 | list_add_locked(&cb->entry, &coredev->buffers, &coredev->bufferslock); | |
1099 | } | |
a0beec8f | 1100 | EXPORT_SYMBOL_GPL(smscore_putbuffer); |
2e5c1ec8 | 1101 | |
0c071f37 MK |
1102 | static int smscore_validate_client(struct smscore_device_t *coredev, |
1103 | struct smscore_client_t *client, | |
1104 | int data_type, int id) | |
2e5c1ec8 | 1105 | { |
18245e18 MK |
1106 | struct smscore_idlist_t *listentry; |
1107 | struct smscore_client_t *registered_client; | |
2e5c1ec8 | 1108 | |
82237416 | 1109 | if (!client) { |
2522dc13 | 1110 | sms_err("bad parameter."); |
f17407a8 MK |
1111 | return -EFAULT; |
1112 | } | |
1113 | registered_client = smscore_find_client(coredev, data_type, id); | |
fa830e8a | 1114 | if (registered_client == client) |
2e5c1ec8 | 1115 | return 0; |
fa830e8a | 1116 | |
82237416 | 1117 | if (registered_client) { |
2522dc13 | 1118 | sms_err("The msg ID already registered to another client."); |
f17407a8 MK |
1119 | return -EEXIST; |
1120 | } | |
18245e18 | 1121 | listentry = kzalloc(sizeof(struct smscore_idlist_t), GFP_KERNEL); |
82237416 | 1122 | if (!listentry) { |
2522dc13 | 1123 | sms_err("Can't allocate memory for client id."); |
2e5c1ec8 | 1124 | return -ENOMEM; |
f17407a8 MK |
1125 | } |
1126 | listentry->id = id; | |
1127 | listentry->data_type = data_type; | |
82237416 MK |
1128 | list_add_locked(&listentry->entry, &client->idlist, |
1129 | &coredev->clientslock); | |
2e5c1ec8 MK |
1130 | return 0; |
1131 | } | |
1132 | ||
1133 | /** | |
1134 | * creates smsclient object, check that id is taken by another client | |
1135 | * | |
1136 | * @param coredev pointer to a coredev object from clients hotplug | |
1137 | * @param initial_id all messages with this id would be sent to this client | |
1138 | * @param data_type all messages of this type would be sent to this client | |
ca783736 MK |
1139 | * @param onresponse_handler client handler that is called to |
1140 | * process incoming messages | |
2e5c1ec8 MK |
1141 | * @param onremove_handler client handler that is called when device is removed |
1142 | * @param context client-specific context | |
1143 | * @param client pointer to a value that receives created smsclient object | |
1144 | * | |
1145 | * @return 0 on success, <0 on error. | |
1146 | */ | |
18245e18 MK |
1147 | int smscore_register_client(struct smscore_device_t *coredev, |
1148 | struct smsclient_params_t *params, | |
1149 | struct smscore_client_t **client) | |
2e5c1ec8 | 1150 | { |
18245e18 | 1151 | struct smscore_client_t *newclient; |
82237416 MK |
1152 | /* check that no other channel with same parameters exists */ |
1153 | if (smscore_find_client(coredev, params->data_type, | |
1154 | params->initial_id)) { | |
2522dc13 | 1155 | sms_err("Client already exist."); |
2e5c1ec8 | 1156 | return -EEXIST; |
f17407a8 | 1157 | } |
2e5c1ec8 | 1158 | |
18245e18 | 1159 | newclient = kzalloc(sizeof(struct smscore_client_t), GFP_KERNEL); |
82237416 | 1160 | if (!newclient) { |
2522dc13 | 1161 | sms_err("Failed to allocate memory for client."); |
f17407a8 | 1162 | return -ENOMEM; |
2e5c1ec8 MK |
1163 | } |
1164 | ||
82237416 | 1165 | INIT_LIST_HEAD(&newclient->idlist); |
2e5c1ec8 | 1166 | newclient->coredev = coredev; |
2e5c1ec8 MK |
1167 | newclient->onresponse_handler = params->onresponse_handler; |
1168 | newclient->onremove_handler = params->onremove_handler; | |
1169 | newclient->context = params->context; | |
82237416 MK |
1170 | list_add_locked(&newclient->entry, &coredev->clients, |
1171 | &coredev->clientslock); | |
1172 | smscore_validate_client(coredev, newclient, params->data_type, | |
1173 | params->initial_id); | |
2e5c1ec8 | 1174 | *client = newclient; |
2522dc13 MK |
1175 | sms_debug("%p %d %d", params->context, params->data_type, |
1176 | params->initial_id); | |
2e5c1ec8 MK |
1177 | |
1178 | return 0; | |
1179 | } | |
a0beec8f | 1180 | EXPORT_SYMBOL_GPL(smscore_register_client); |
2e5c1ec8 MK |
1181 | |
1182 | /** | |
1183 | * frees smsclient object and all subclients associated with it | |
1184 | * | |
59bf6b8e MK |
1185 | * @param client pointer to smsclient object returned by |
1186 | * smscore_register_client | |
2e5c1ec8 MK |
1187 | * |
1188 | */ | |
18245e18 | 1189 | void smscore_unregister_client(struct smscore_client_t *client) |
2e5c1ec8 | 1190 | { |
18245e18 | 1191 | struct smscore_device_t *coredev = client->coredev; |
2e5c1ec8 MK |
1192 | unsigned long flags; |
1193 | ||
1194 | spin_lock_irqsave(&coredev->clientslock, flags); | |
1195 | ||
2e5c1ec8 | 1196 | |
82237416 | 1197 | while (!list_empty(&client->idlist)) { |
18245e18 MK |
1198 | struct smscore_idlist_t *identry = |
1199 | (struct smscore_idlist_t *) client->idlist.next; | |
82237416 MK |
1200 | list_del(&identry->entry); |
1201 | kfree(identry); | |
2e5c1ec8 MK |
1202 | } |
1203 | ||
a0c0abcb | 1204 | sms_info("%p", client->context); |
2e5c1ec8 MK |
1205 | |
1206 | list_del(&client->entry); | |
1207 | kfree(client); | |
1208 | ||
1209 | spin_unlock_irqrestore(&coredev->clientslock, flags); | |
1210 | } | |
a0beec8f | 1211 | EXPORT_SYMBOL_GPL(smscore_unregister_client); |
2e5c1ec8 MK |
1212 | |
1213 | /** | |
1214 | * verifies that source id is not taken by another client, | |
1215 | * calls device handler to send requests to the device | |
1216 | * | |
59bf6b8e MK |
1217 | * @param client pointer to smsclient object returned by |
1218 | * smscore_register_client | |
2e5c1ec8 MK |
1219 | * @param buffer pointer to a request buffer |
1220 | * @param size size (in bytes) of request buffer | |
1221 | * | |
1222 | * @return 0 on success, <0 on error. | |
1223 | */ | |
18245e18 MK |
1224 | int smsclient_sendrequest(struct smscore_client_t *client, |
1225 | void *buffer, size_t size) | |
2e5c1ec8 | 1226 | { |
18245e18 MK |
1227 | struct smscore_device_t *coredev; |
1228 | struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) buffer; | |
f17407a8 MK |
1229 | int rc; |
1230 | ||
82237416 | 1231 | if (client == NULL) { |
a0c0abcb | 1232 | sms_err("Got NULL client"); |
f17407a8 MK |
1233 | return -EINVAL; |
1234 | } | |
1235 | ||
1236 | coredev = client->coredev; | |
2e5c1ec8 | 1237 | |
82237416 MK |
1238 | /* check that no other channel with same id exists */ |
1239 | if (coredev == NULL) { | |
a0c0abcb | 1240 | sms_err("Got NULL coredev"); |
f17407a8 MK |
1241 | return -EINVAL; |
1242 | } | |
1243 | ||
82237416 MK |
1244 | rc = smscore_validate_client(client->coredev, client, 0, |
1245 | phdr->msgSrcId); | |
2e5c1ec8 MK |
1246 | if (rc < 0) |
1247 | return rc; | |
1248 | ||
1249 | return coredev->sendrequest_handler(coredev->context, buffer, size); | |
1250 | } | |
a0beec8f | 1251 | EXPORT_SYMBOL_GPL(smsclient_sendrequest); |
2e5c1ec8 | 1252 | |
2e5c1ec8 | 1253 | |
76052bc8 MK |
1254 | int smscore_configure_gpio(struct smscore_device_t *coredev, u32 pin, |
1255 | struct smscore_gpio_config *pinconfig) | |
1256 | { | |
1257 | struct { | |
1258 | struct SmsMsgHdr_ST hdr; | |
1259 | u32 data[6]; | |
1260 | } msg; | |
1261 | ||
1262 | if (coredev->device_flags & SMS_DEVICE_FAMILY2) { | |
1263 | msg.hdr.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; | |
1264 | msg.hdr.msgDstId = HIF_TASK; | |
1265 | msg.hdr.msgFlags = 0; | |
1266 | msg.hdr.msgType = MSG_SMS_GPIO_CONFIG_EX_REQ; | |
1267 | msg.hdr.msgLength = sizeof(msg); | |
1268 | ||
1269 | msg.data[0] = pin; | |
1270 | msg.data[1] = pinconfig->pullupdown; | |
1271 | ||
1272 | /* Convert slew rate for Nova: Fast(0) = 3 / Slow(1) = 0; */ | |
1273 | msg.data[2] = pinconfig->outputslewrate == 0 ? 3 : 0; | |
1274 | ||
1275 | switch (pinconfig->outputdriving) { | |
1276 | case SMS_GPIO_OUTPUTDRIVING_16mA: | |
1277 | msg.data[3] = 7; /* Nova - 16mA */ | |
1278 | break; | |
1279 | case SMS_GPIO_OUTPUTDRIVING_12mA: | |
1280 | msg.data[3] = 5; /* Nova - 11mA */ | |
1281 | break; | |
1282 | case SMS_GPIO_OUTPUTDRIVING_8mA: | |
1283 | msg.data[3] = 3; /* Nova - 7mA */ | |
1284 | break; | |
1285 | case SMS_GPIO_OUTPUTDRIVING_4mA: | |
1286 | default: | |
1287 | msg.data[3] = 2; /* Nova - 4mA */ | |
1288 | break; | |
1289 | } | |
1290 | ||
1291 | msg.data[4] = pinconfig->direction; | |
1292 | msg.data[5] = 0; | |
1293 | } else /* TODO: SMS_DEVICE_FAMILY1 */ | |
1294 | return -EINVAL; | |
1295 | ||
1296 | return coredev->sendrequest_handler(coredev->context, | |
1297 | &msg, sizeof(msg)); | |
1298 | } | |
1299 | ||
1300 | int smscore_set_gpio(struct smscore_device_t *coredev, u32 pin, int level) | |
1301 | { | |
1302 | struct { | |
1303 | struct SmsMsgHdr_ST hdr; | |
1304 | u32 data[3]; | |
1305 | } msg; | |
1306 | ||
1307 | if (pin > MAX_GPIO_PIN_NUMBER) | |
1308 | return -EINVAL; | |
1309 | ||
1310 | msg.hdr.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; | |
1311 | msg.hdr.msgDstId = HIF_TASK; | |
1312 | msg.hdr.msgFlags = 0; | |
1313 | msg.hdr.msgType = MSG_SMS_GPIO_SET_LEVEL_REQ; | |
1314 | msg.hdr.msgLength = sizeof(msg); | |
1315 | ||
1316 | msg.data[0] = pin; | |
1317 | msg.data[1] = level ? 1 : 0; | |
1318 | msg.data[2] = 0; | |
1319 | ||
1320 | return coredev->sendrequest_handler(coredev->context, | |
1321 | &msg, sizeof(msg)); | |
1322 | } | |
1323 | ||
c5e0bd1a | 1324 | static int __init smscore_module_init(void) |
2e5c1ec8 | 1325 | { |
c6465799 | 1326 | int rc = 0; |
2e5c1ec8 MK |
1327 | |
1328 | INIT_LIST_HEAD(&g_smscore_notifyees); | |
1329 | INIT_LIST_HEAD(&g_smscore_devices); | |
1330 | kmutex_init(&g_smscore_deviceslock); | |
1331 | ||
1332 | INIT_LIST_HEAD(&g_smscore_registry); | |
1333 | kmutex_init(&g_smscore_registrylock); | |
1334 | ||
eae55660 | 1335 | |
eae55660 | 1336 | |
e0f14c25 US |
1337 | |
1338 | ||
1339 | ||
1340 | return rc; | |
a0c0abcb | 1341 | sms_debug("rc %d", rc); |
2e5c1ec8 MK |
1342 | |
1343 | return rc; | |
1344 | } | |
1345 | ||
c5e0bd1a | 1346 | static void __exit smscore_module_exit(void) |
2e5c1ec8 | 1347 | { |
eae55660 | 1348 | |
e0f14c25 US |
1349 | |
1350 | ||
1351 | ||
1352 | ||
2e5c1ec8 | 1353 | kmutex_lock(&g_smscore_deviceslock); |
82237416 | 1354 | while (!list_empty(&g_smscore_notifyees)) { |
18245e18 MK |
1355 | struct smscore_device_notifyee_t *notifyee = |
1356 | (struct smscore_device_notifyee_t *) | |
1357 | g_smscore_notifyees.next; | |
2e5c1ec8 MK |
1358 | |
1359 | list_del(¬ifyee->entry); | |
1360 | kfree(notifyee); | |
1361 | } | |
1362 | kmutex_unlock(&g_smscore_deviceslock); | |
1363 | ||
1364 | kmutex_lock(&g_smscore_registrylock); | |
82237416 | 1365 | while (!list_empty(&g_smscore_registry)) { |
18245e18 MK |
1366 | struct smscore_registry_entry_t *entry = |
1367 | (struct smscore_registry_entry_t *) | |
1368 | g_smscore_registry.next; | |
2e5c1ec8 MK |
1369 | |
1370 | list_del(&entry->entry); | |
1371 | kfree(entry); | |
1372 | } | |
1373 | kmutex_unlock(&g_smscore_registrylock); | |
1374 | ||
a0c0abcb | 1375 | sms_debug(""); |
2e5c1ec8 MK |
1376 | } |
1377 | ||
1378 | module_init(smscore_module_init); | |
1379 | module_exit(smscore_module_exit); | |
1380 | ||
e0f14c25 US |
1381 | MODULE_DESCRIPTION("Siano MDTV Core module"); |
1382 | MODULE_AUTHOR("Siano Mobile Silicon, Inc. (uris@siano-ms.com)"); | |
2e5c1ec8 | 1383 | MODULE_LICENSE("GPL"); |