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 | * | |
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 | 32 | #include <linux/firmware.h> |
a9349315 | 33 | #include <linux/wait.h> |
01abc0b0 | 34 | #include <asm/byteorder.h> |
2e5c1ec8 MK |
35 | |
36 | #include "smscoreapi.h" | |
02aea4fb | 37 | #include "sms-cards.h" |
a804800a US |
38 | #include "smsir.h" |
39 | #include "smsendian.h" | |
2e5c1ec8 | 40 | |
0d02efe4 | 41 | static int sms_dbg; |
b9391f41 | 42 | module_param_named(debug, sms_dbg, int, 0644); |
f14d56a9 MK |
43 | MODULE_PARM_DESC(debug, "set debug level (info=1, adv=2 (or-able))"); |
44 | ||
18245e18 | 45 | struct smscore_device_notifyee_t { |
2e5c1ec8 MK |
46 | struct list_head entry; |
47 | hotplug_t hotplug; | |
18245e18 | 48 | }; |
2e5c1ec8 | 49 | |
18245e18 | 50 | struct smscore_idlist_t { |
f17407a8 MK |
51 | struct list_head entry; |
52 | int id; | |
53 | int data_type; | |
18245e18 | 54 | }; |
f17407a8 | 55 | |
18245e18 | 56 | struct smscore_client_t { |
2e5c1ec8 | 57 | struct list_head entry; |
18245e18 | 58 | struct smscore_device_t *coredev; |
2e5c1ec8 | 59 | void *context; |
f17407a8 | 60 | struct list_head idlist; |
2e5c1ec8 MK |
61 | onresponse_t onresponse_handler; |
62 | onremove_t onremove_handler; | |
18245e18 | 63 | }; |
2e5c1ec8 | 64 | |
1c11d546 MK |
65 | void smscore_set_board_id(struct smscore_device_t *core, int id) |
66 | { | |
67 | core->board_id = id; | |
68 | } | |
69 | ||
7b29e10d MK |
70 | int smscore_led_state(struct smscore_device_t *core, int led) |
71 | { | |
72 | if (led >= 0) | |
73 | core->led_state = led; | |
74 | return core->led_state; | |
75 | } | |
a0beec8f | 76 | EXPORT_SYMBOL_GPL(smscore_set_board_id); |
7b29e10d | 77 | |
1c11d546 MK |
78 | int smscore_get_board_id(struct smscore_device_t *core) |
79 | { | |
80 | return core->board_id; | |
81 | } | |
a0beec8f | 82 | EXPORT_SYMBOL_GPL(smscore_get_board_id); |
1c11d546 | 83 | |
18245e18 | 84 | struct smscore_registry_entry_t { |
2e5c1ec8 MK |
85 | struct list_head entry; |
86 | char devpath[32]; | |
87 | int mode; | |
18245e18 MK |
88 | enum sms_device_type_st type; |
89 | }; | |
2e5c1ec8 | 90 | |
c5e0bd1a AB |
91 | static struct list_head g_smscore_notifyees; |
92 | static struct list_head g_smscore_devices; | |
93 | static struct mutex g_smscore_deviceslock; | |
2e5c1ec8 | 94 | |
c5e0bd1a AB |
95 | static struct list_head g_smscore_registry; |
96 | static struct mutex g_smscore_registrylock; | |
2e5c1ec8 | 97 | |
dd5b2a5c | 98 | static int default_mode = 4; |
f17407a8 | 99 | |
2e5c1ec8 MK |
100 | module_param(default_mode, int, 0644); |
101 | MODULE_PARM_DESC(default_mode, "default firmware id (device mode)"); | |
102 | ||
18245e18 | 103 | static struct smscore_registry_entry_t *smscore_find_registry(char *devpath) |
2e5c1ec8 | 104 | { |
18245e18 | 105 | struct smscore_registry_entry_t *entry; |
2e5c1ec8 MK |
106 | struct list_head *next; |
107 | ||
108 | kmutex_lock(&g_smscore_registrylock); | |
82237416 MK |
109 | for (next = g_smscore_registry.next; |
110 | next != &g_smscore_registry; | |
111 | next = next->next) { | |
18245e18 | 112 | entry = (struct smscore_registry_entry_t *) next; |
82237416 | 113 | if (!strcmp(entry->devpath, devpath)) { |
2e5c1ec8 | 114 | kmutex_unlock(&g_smscore_registrylock); |
f17407a8 | 115 | return entry; |
2e5c1ec8 MK |
116 | } |
117 | } | |
18245e18 MK |
118 | entry = (struct smscore_registry_entry_t *) |
119 | kmalloc(sizeof(struct smscore_registry_entry_t), | |
120 | GFP_KERNEL); | |
82237416 | 121 | if (entry) { |
2e5c1ec8 MK |
122 | entry->mode = default_mode; |
123 | strcpy(entry->devpath, devpath); | |
2e5c1ec8 | 124 | list_add(&entry->entry, &g_smscore_registry); |
82237416 | 125 | } else |
a0c0abcb | 126 | sms_err("failed to create smscore_registry."); |
2e5c1ec8 | 127 | kmutex_unlock(&g_smscore_registrylock); |
f17407a8 MK |
128 | return entry; |
129 | } | |
2e5c1ec8 | 130 | |
82237416 | 131 | int smscore_registry_getmode(char *devpath) |
f17407a8 | 132 | { |
18245e18 | 133 | struct smscore_registry_entry_t *entry; |
f17407a8 | 134 | |
82237416 MK |
135 | entry = smscore_find_registry(devpath); |
136 | if (entry) | |
f17407a8 | 137 | return entry->mode; |
f17407a8 | 138 | else |
a0c0abcb | 139 | sms_err("No registry found."); |
82237416 | 140 | |
2e5c1ec8 MK |
141 | return default_mode; |
142 | } | |
a0beec8f | 143 | EXPORT_SYMBOL_GPL(smscore_registry_getmode); |
2e5c1ec8 | 144 | |
0c071f37 | 145 | static enum sms_device_type_st smscore_registry_gettype(char *devpath) |
2e5c1ec8 | 146 | { |
18245e18 | 147 | struct smscore_registry_entry_t *entry; |
2e5c1ec8 | 148 | |
82237416 MK |
149 | entry = smscore_find_registry(devpath); |
150 | if (entry) | |
f17407a8 | 151 | return entry->type; |
f17407a8 | 152 | else |
a0c0abcb | 153 | sms_err("No registry found."); |
82237416 | 154 | |
f17407a8 MK |
155 | return -1; |
156 | } | |
2e5c1ec8 | 157 | |
82237416 MK |
158 | void smscore_registry_setmode(char *devpath, int mode) |
159 | { | |
18245e18 | 160 | struct smscore_registry_entry_t *entry; |
2e5c1ec8 | 161 | |
82237416 MK |
162 | entry = smscore_find_registry(devpath); |
163 | if (entry) | |
164 | entry->mode = mode; | |
f17407a8 | 165 | else |
a0c0abcb | 166 | sms_err("No registry found."); |
82237416 | 167 | } |
2e5c1ec8 | 168 | |
0c071f37 MK |
169 | static void smscore_registry_settype(char *devpath, |
170 | enum sms_device_type_st type) | |
f17407a8 | 171 | { |
18245e18 | 172 | struct smscore_registry_entry_t *entry; |
f17407a8 | 173 | |
82237416 MK |
174 | entry = smscore_find_registry(devpath); |
175 | if (entry) | |
f17407a8 | 176 | entry->type = type; |
f17407a8 | 177 | else |
a0c0abcb | 178 | sms_err("No registry found."); |
2e5c1ec8 MK |
179 | } |
180 | ||
181 | ||
0c071f37 MK |
182 | static void list_add_locked(struct list_head *new, struct list_head *head, |
183 | spinlock_t *lock) | |
2e5c1ec8 MK |
184 | { |
185 | unsigned long flags; | |
186 | ||
187 | spin_lock_irqsave(lock, flags); | |
188 | ||
189 | list_add(new, head); | |
190 | ||
191 | spin_unlock_irqrestore(lock, flags); | |
192 | } | |
193 | ||
194 | /** | |
195 | * register a client callback that called when device plugged in/unplugged | |
196 | * NOTE: if devices exist callback is called immediately for each device | |
197 | * | |
198 | * @param hotplug callback | |
199 | * | |
200 | * @return 0 on success, <0 on error. | |
201 | */ | |
202 | int smscore_register_hotplug(hotplug_t hotplug) | |
203 | { | |
18245e18 | 204 | struct smscore_device_notifyee_t *notifyee; |
2e5c1ec8 MK |
205 | struct list_head *next, *first; |
206 | int rc = 0; | |
207 | ||
208 | kmutex_lock(&g_smscore_deviceslock); | |
209 | ||
18245e18 MK |
210 | notifyee = kmalloc(sizeof(struct smscore_device_notifyee_t), |
211 | GFP_KERNEL); | |
82237416 MK |
212 | if (notifyee) { |
213 | /* now notify callback about existing devices */ | |
2e5c1ec8 | 214 | first = &g_smscore_devices; |
82237416 MK |
215 | for (next = first->next; |
216 | next != first && !rc; | |
217 | next = next->next) { | |
18245e18 MK |
218 | struct smscore_device_t *coredev = |
219 | (struct smscore_device_t *) next; | |
2e5c1ec8 MK |
220 | rc = hotplug(coredev, coredev->device, 1); |
221 | } | |
222 | ||
82237416 | 223 | if (rc >= 0) { |
2e5c1ec8 MK |
224 | notifyee->hotplug = hotplug; |
225 | list_add(¬ifyee->entry, &g_smscore_notifyees); | |
82237416 | 226 | } else |
2e5c1ec8 | 227 | kfree(notifyee); |
82237416 | 228 | } else |
2e5c1ec8 MK |
229 | rc = -ENOMEM; |
230 | ||
231 | kmutex_unlock(&g_smscore_deviceslock); | |
232 | ||
233 | return rc; | |
234 | } | |
a0beec8f | 235 | EXPORT_SYMBOL_GPL(smscore_register_hotplug); |
2e5c1ec8 MK |
236 | |
237 | /** | |
238 | * unregister a client callback that called when device plugged in/unplugged | |
239 | * | |
240 | * @param hotplug callback | |
241 | * | |
242 | */ | |
243 | void smscore_unregister_hotplug(hotplug_t hotplug) | |
244 | { | |
245 | struct list_head *next, *first; | |
246 | ||
247 | kmutex_lock(&g_smscore_deviceslock); | |
248 | ||
249 | first = &g_smscore_notifyees; | |
250 | ||
82237416 | 251 | for (next = first->next; next != first;) { |
18245e18 MK |
252 | struct smscore_device_notifyee_t *notifyee = |
253 | (struct smscore_device_notifyee_t *) next; | |
2e5c1ec8 MK |
254 | next = next->next; |
255 | ||
82237416 | 256 | if (notifyee->hotplug == hotplug) { |
2e5c1ec8 MK |
257 | list_del(¬ifyee->entry); |
258 | kfree(notifyee); | |
259 | } | |
260 | } | |
261 | ||
262 | kmutex_unlock(&g_smscore_deviceslock); | |
263 | } | |
a0beec8f | 264 | EXPORT_SYMBOL_GPL(smscore_unregister_hotplug); |
2e5c1ec8 | 265 | |
0c071f37 | 266 | static void smscore_notify_clients(struct smscore_device_t *coredev) |
2e5c1ec8 | 267 | { |
18245e18 | 268 | struct smscore_client_t *client; |
2e5c1ec8 | 269 | |
82237416 MK |
270 | /* the client must call smscore_unregister_client from remove handler */ |
271 | while (!list_empty(&coredev->clients)) { | |
18245e18 | 272 | client = (struct smscore_client_t *) coredev->clients.next; |
2e5c1ec8 MK |
273 | client->onremove_handler(client->context); |
274 | } | |
275 | } | |
276 | ||
0c071f37 MK |
277 | static int smscore_notify_callbacks(struct smscore_device_t *coredev, |
278 | struct device *device, int arrival) | |
2e5c1ec8 MK |
279 | { |
280 | struct list_head *next, *first; | |
281 | int rc = 0; | |
282 | ||
82237416 | 283 | /* note: must be called under g_deviceslock */ |
2e5c1ec8 MK |
284 | |
285 | first = &g_smscore_notifyees; | |
286 | ||
82237416 | 287 | for (next = first->next; next != first; next = next->next) { |
18245e18 | 288 | rc = ((struct smscore_device_notifyee_t *) next)-> |
59bf6b8e | 289 | hotplug(coredev, device, arrival); |
2e5c1ec8 MK |
290 | if (rc < 0) |
291 | break; | |
292 | } | |
293 | ||
294 | return rc; | |
295 | } | |
296 | ||
0c071f37 MK |
297 | static struct |
298 | smscore_buffer_t *smscore_createbuffer(u8 *buffer, void *common_buffer, | |
a83ccdd6 | 299 | dma_addr_t common_buffer_phys) |
2e5c1ec8 | 300 | { |
18245e18 MK |
301 | struct smscore_buffer_t *cb = |
302 | kmalloc(sizeof(struct smscore_buffer_t), GFP_KERNEL); | |
82237416 | 303 | if (!cb) { |
a0c0abcb | 304 | sms_info("kmalloc(...) failed"); |
2e5c1ec8 MK |
305 | return NULL; |
306 | } | |
307 | ||
308 | cb->p = buffer; | |
494d24c5 | 309 | cb->offset_in_common = buffer - (u8 *) common_buffer; |
2e5c1ec8 MK |
310 | cb->phys = common_buffer_phys + cb->offset_in_common; |
311 | ||
312 | return cb; | |
313 | } | |
314 | ||
315 | /** | |
82237416 MK |
316 | * creates coredev object for a device, prepares buffers, |
317 | * creates buffer mappings, notifies registered hotplugs about new device. | |
2e5c1ec8 | 318 | * |
59bf6b8e MK |
319 | * @param params device pointer to struct with device specific parameters |
320 | * and handlers | |
2e5c1ec8 MK |
321 | * @param coredev pointer to a value that receives created coredev object |
322 | * | |
323 | * @return 0 on success, <0 on error. | |
324 | */ | |
18245e18 MK |
325 | int smscore_register_device(struct smsdevice_params_t *params, |
326 | struct smscore_device_t **coredev) | |
2e5c1ec8 | 327 | { |
18245e18 | 328 | struct smscore_device_t *dev; |
2e5c1ec8 MK |
329 | u8 *buffer; |
330 | ||
18245e18 | 331 | dev = kzalloc(sizeof(struct smscore_device_t), GFP_KERNEL); |
82237416 | 332 | if (!dev) { |
a0c0abcb | 333 | sms_info("kzalloc(...) failed"); |
2e5c1ec8 MK |
334 | return -ENOMEM; |
335 | } | |
336 | ||
82237416 | 337 | /* init list entry so it could be safe in smscore_unregister_device */ |
2e5c1ec8 MK |
338 | INIT_LIST_HEAD(&dev->entry); |
339 | ||
82237416 | 340 | /* init queues */ |
2e5c1ec8 | 341 | INIT_LIST_HEAD(&dev->clients); |
2e5c1ec8 MK |
342 | INIT_LIST_HEAD(&dev->buffers); |
343 | ||
82237416 | 344 | /* init locks */ |
2e5c1ec8 MK |
345 | spin_lock_init(&dev->clientslock); |
346 | spin_lock_init(&dev->bufferslock); | |
347 | ||
82237416 | 348 | /* init completion events */ |
2e5c1ec8 MK |
349 | init_completion(&dev->version_ex_done); |
350 | init_completion(&dev->data_download_done); | |
351 | init_completion(&dev->trigger_done); | |
352 | init_completion(&dev->init_device_done); | |
353 | init_completion(&dev->reload_start_done); | |
354 | init_completion(&dev->resume_done); | |
34601caa US |
355 | init_completion(&dev->gpio_configuration_done); |
356 | init_completion(&dev->gpio_set_level_done); | |
357 | init_completion(&dev->gpio_get_level_done); | |
a804800a | 358 | init_completion(&dev->ir_init_done); |
2e5c1ec8 | 359 | |
a9349315 US |
360 | /* Buffer management */ |
361 | init_waitqueue_head(&dev->buffer_mng_waitq); | |
362 | ||
82237416 | 363 | /* alloc common buffer */ |
2e5c1ec8 | 364 | dev->common_buffer_size = params->buffer_size * params->num_buffers; |
82237416 MK |
365 | dev->common_buffer = dma_alloc_coherent(NULL, dev->common_buffer_size, |
366 | &dev->common_buffer_phys, | |
367 | GFP_KERNEL | GFP_DMA); | |
368 | if (!dev->common_buffer) { | |
2e5c1ec8 MK |
369 | smscore_unregister_device(dev); |
370 | return -ENOMEM; | |
371 | } | |
372 | ||
82237416 MK |
373 | /* prepare dma buffers */ |
374 | for (buffer = dev->common_buffer; | |
375 | dev->num_buffers < params->num_buffers; | |
fa830e8a | 376 | dev->num_buffers++, buffer += params->buffer_size) { |
18245e18 | 377 | struct smscore_buffer_t *cb = |
59bf6b8e MK |
378 | smscore_createbuffer(buffer, dev->common_buffer, |
379 | dev->common_buffer_phys); | |
82237416 | 380 | if (!cb) { |
2e5c1ec8 MK |
381 | smscore_unregister_device(dev); |
382 | return -ENOMEM; | |
383 | } | |
384 | ||
385 | smscore_putbuffer(dev, cb); | |
386 | } | |
387 | ||
a0c0abcb | 388 | sms_info("allocated %d buffers", dev->num_buffers); |
2e5c1ec8 MK |
389 | |
390 | dev->mode = DEVICE_MODE_NONE; | |
391 | dev->context = params->context; | |
392 | dev->device = params->device; | |
393 | dev->setmode_handler = params->setmode_handler; | |
394 | dev->detectmode_handler = params->detectmode_handler; | |
395 | dev->sendrequest_handler = params->sendrequest_handler; | |
396 | dev->preload_handler = params->preload_handler; | |
397 | dev->postload_handler = params->postload_handler; | |
398 | ||
399 | dev->device_flags = params->flags; | |
400 | strcpy(dev->devpath, params->devpath); | |
401 | ||
82237416 | 402 | smscore_registry_settype(dev->devpath, params->device_type); |
f17407a8 | 403 | |
82237416 | 404 | /* add device to devices list */ |
2e5c1ec8 MK |
405 | kmutex_lock(&g_smscore_deviceslock); |
406 | list_add(&dev->entry, &g_smscore_devices); | |
407 | kmutex_unlock(&g_smscore_deviceslock); | |
408 | ||
409 | *coredev = dev; | |
410 | ||
a0c0abcb | 411 | sms_info("device %p created", dev); |
2e5c1ec8 MK |
412 | |
413 | return 0; | |
414 | } | |
a0beec8f | 415 | EXPORT_SYMBOL_GPL(smscore_register_device); |
2e5c1ec8 | 416 | |
a804800a US |
417 | |
418 | static int smscore_sendrequest_and_wait(struct smscore_device_t *coredev, | |
419 | void *buffer, size_t size, struct completion *completion) { | |
420 | int rc = coredev->sendrequest_handler(coredev->context, buffer, size); | |
421 | if (rc < 0) { | |
422 | sms_info("sendrequest returned error %d", rc); | |
423 | return rc; | |
424 | } | |
425 | ||
426 | return wait_for_completion_timeout(completion, | |
427 | msecs_to_jiffies(SMS_PROTOCOL_MAX_RAOUNDTRIP_MS)) ? | |
428 | 0 : -ETIME; | |
429 | } | |
430 | ||
431 | /** | |
432 | * Starts & enables IR operations | |
433 | * | |
434 | * @return 0 on success, < 0 on error. | |
435 | */ | |
436 | static int smscore_init_ir(struct smscore_device_t *coredev) | |
437 | { | |
438 | int ir_io; | |
439 | int rc; | |
440 | void *buffer; | |
441 | ||
442 | coredev->ir.input_dev = NULL; | |
443 | ir_io = sms_get_board(smscore_get_board_id(coredev))->board_cfg.ir; | |
444 | if (ir_io) {/* only if IR port exist we use IR sub-module */ | |
445 | sms_info("IR loading"); | |
446 | rc = sms_ir_init(coredev); | |
447 | ||
448 | if (rc != 0) | |
449 | sms_err("Error initialization DTV IR sub-module"); | |
450 | else { | |
451 | buffer = kmalloc(sizeof(struct SmsMsgData_ST2) + | |
452 | SMS_DMA_ALIGNMENT, | |
453 | GFP_KERNEL | GFP_DMA); | |
454 | if (buffer) { | |
455 | struct SmsMsgData_ST2 *msg = | |
456 | (struct SmsMsgData_ST2 *) | |
457 | SMS_ALIGN_ADDRESS(buffer); | |
458 | ||
459 | SMS_INIT_MSG(&msg->xMsgHeader, | |
460 | MSG_SMS_START_IR_REQ, | |
461 | sizeof(struct SmsMsgData_ST2)); | |
462 | msg->msgData[0] = coredev->ir.controller; | |
463 | msg->msgData[1] = coredev->ir.timeout; | |
464 | ||
465 | smsendian_handle_tx_message( | |
466 | (struct SmsMsgHdr_ST2 *)msg); | |
467 | rc = smscore_sendrequest_and_wait(coredev, msg, | |
468 | msg->xMsgHeader. msgLength, | |
469 | &coredev->ir_init_done); | |
470 | ||
471 | kfree(buffer); | |
472 | } else | |
473 | sms_err | |
474 | ("Sending IR initialization message failed"); | |
475 | } | |
476 | } else | |
477 | sms_info("IR port has not been detected"); | |
478 | ||
479 | return 0; | |
480 | } | |
481 | ||
2e5c1ec8 MK |
482 | /** |
483 | * sets initial device mode and notifies client hotplugs that device is ready | |
484 | * | |
59bf6b8e MK |
485 | * @param coredev pointer to a coredev object returned by |
486 | * smscore_register_device | |
2e5c1ec8 MK |
487 | * |
488 | * @return 0 on success, <0 on error. | |
489 | */ | |
18245e18 | 490 | int smscore_start_device(struct smscore_device_t *coredev) |
2e5c1ec8 | 491 | { |
59bf6b8e MK |
492 | int rc = smscore_set_device_mode( |
493 | coredev, smscore_registry_getmode(coredev->devpath)); | |
82237416 | 494 | if (rc < 0) { |
a0c0abcb | 495 | sms_info("set device mode faile , rc %d", rc); |
2e5c1ec8 | 496 | return rc; |
f17407a8 | 497 | } |
2e5c1ec8 MK |
498 | |
499 | kmutex_lock(&g_smscore_deviceslock); | |
500 | ||
501 | rc = smscore_notify_callbacks(coredev, coredev->device, 1); | |
a804800a | 502 | smscore_init_ir(coredev); |
2e5c1ec8 | 503 | |
a0c0abcb | 504 | sms_info("device %p started, rc %d", coredev, rc); |
2e5c1ec8 MK |
505 | |
506 | kmutex_unlock(&g_smscore_deviceslock); | |
507 | ||
508 | return rc; | |
509 | } | |
a0beec8f | 510 | EXPORT_SYMBOL_GPL(smscore_start_device); |
2e5c1ec8 | 511 | |
2e5c1ec8 | 512 | |
0c071f37 MK |
513 | static int smscore_load_firmware_family2(struct smscore_device_t *coredev, |
514 | void *buffer, size_t size) | |
2e5c1ec8 | 515 | { |
18245e18 MK |
516 | struct SmsFirmware_ST *firmware = (struct SmsFirmware_ST *) buffer; |
517 | struct SmsMsgHdr_ST *msg; | |
01abc0b0 | 518 | u32 mem_address; |
a83ccdd6 | 519 | u8 *payload = firmware->Payload; |
2e5c1ec8 | 520 | int rc = 0; |
01abc0b0 US |
521 | firmware->StartAddress = le32_to_cpu(firmware->StartAddress); |
522 | firmware->Length = le32_to_cpu(firmware->Length); | |
523 | ||
524 | mem_address = firmware->StartAddress; | |
2e5c1ec8 | 525 | |
a0c0abcb MK |
526 | sms_info("loading FW to addr 0x%x size %d", |
527 | mem_address, firmware->Length); | |
82237416 | 528 | if (coredev->preload_handler) { |
2e5c1ec8 MK |
529 | rc = coredev->preload_handler(coredev->context); |
530 | if (rc < 0) | |
531 | return rc; | |
532 | } | |
533 | ||
82237416 | 534 | /* PAGE_SIZE buffer shall be enough and dma aligned */ |
e080842c | 535 | msg = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA); |
2e5c1ec8 MK |
536 | if (!msg) |
537 | return -ENOMEM; | |
538 | ||
82237416 | 539 | if (coredev->mode != DEVICE_MODE_NONE) { |
2522dc13 | 540 | sms_debug("sending reload command."); |
82237416 | 541 | SMS_INIT_MSG(msg, MSG_SW_RELOAD_START_REQ, |
18245e18 | 542 | sizeof(struct SmsMsgHdr_ST)); |
82237416 MK |
543 | rc = smscore_sendrequest_and_wait(coredev, msg, |
544 | msg->msgLength, | |
545 | &coredev->reload_start_done); | |
f0333e3d | 546 | mem_address = *(u32 *) &payload[20]; |
2e5c1ec8 MK |
547 | } |
548 | ||
fa830e8a | 549 | while (size && rc >= 0) { |
18245e18 MK |
550 | struct SmsDataDownload_ST *DataMsg = |
551 | (struct SmsDataDownload_ST *) msg; | |
2e5c1ec8 MK |
552 | int payload_size = min((int) size, SMS_MAX_PAYLOAD_SIZE); |
553 | ||
82237416 | 554 | SMS_INIT_MSG(msg, MSG_SMS_DATA_DOWNLOAD_REQ, |
18245e18 | 555 | (u16)(sizeof(struct SmsMsgHdr_ST) + |
f0333e3d | 556 | sizeof(u32) + payload_size)); |
2e5c1ec8 MK |
557 | |
558 | DataMsg->MemAddr = mem_address; | |
559 | memcpy(DataMsg->Payload, payload, payload_size); | |
560 | ||
82237416 MK |
561 | if ((coredev->device_flags & SMS_ROM_NO_RESPONSE) && |
562 | (coredev->mode == DEVICE_MODE_NONE)) | |
59bf6b8e MK |
563 | rc = coredev->sendrequest_handler( |
564 | coredev->context, DataMsg, | |
565 | DataMsg->xMsgHeader.msgLength); | |
2e5c1ec8 | 566 | else |
59bf6b8e MK |
567 | rc = smscore_sendrequest_and_wait( |
568 | coredev, DataMsg, | |
569 | DataMsg->xMsgHeader.msgLength, | |
570 | &coredev->data_download_done); | |
2e5c1ec8 MK |
571 | |
572 | payload += payload_size; | |
573 | size -= payload_size; | |
574 | mem_address += payload_size; | |
575 | } | |
576 | ||
82237416 MK |
577 | if (rc >= 0) { |
578 | if (coredev->mode == DEVICE_MODE_NONE) { | |
18245e18 MK |
579 | struct SmsMsgData_ST *TriggerMsg = |
580 | (struct SmsMsgData_ST *) msg; | |
2e5c1ec8 | 581 | |
82237416 | 582 | SMS_INIT_MSG(msg, MSG_SMS_SWDOWNLOAD_TRIGGER_REQ, |
18245e18 | 583 | sizeof(struct SmsMsgHdr_ST) + |
f0333e3d | 584 | sizeof(u32) * 5); |
2e5c1ec8 | 585 | |
59bf6b8e MK |
586 | TriggerMsg->msgData[0] = firmware->StartAddress; |
587 | /* Entry point */ | |
fa830e8a MK |
588 | TriggerMsg->msgData[1] = 5; /* Priority */ |
589 | TriggerMsg->msgData[2] = 0x200; /* Stack size */ | |
590 | TriggerMsg->msgData[3] = 0; /* Parameter */ | |
591 | TriggerMsg->msgData[4] = 4; /* Task ID */ | |
2e5c1ec8 | 592 | |
82237416 | 593 | if (coredev->device_flags & SMS_ROM_NO_RESPONSE) { |
59bf6b8e MK |
594 | rc = coredev->sendrequest_handler( |
595 | coredev->context, TriggerMsg, | |
596 | TriggerMsg->xMsgHeader.msgLength); | |
2e5c1ec8 | 597 | msleep(100); |
82237416 | 598 | } else |
59bf6b8e MK |
599 | rc = smscore_sendrequest_and_wait( |
600 | coredev, TriggerMsg, | |
601 | TriggerMsg->xMsgHeader.msgLength, | |
602 | &coredev->trigger_done); | |
82237416 MK |
603 | } else { |
604 | SMS_INIT_MSG(msg, MSG_SW_RELOAD_EXEC_REQ, | |
18245e18 | 605 | sizeof(struct SmsMsgHdr_ST)); |
2e5c1ec8 | 606 | |
82237416 MK |
607 | rc = coredev->sendrequest_handler(coredev->context, |
608 | msg, msg->msgLength); | |
2e5c1ec8 | 609 | } |
82237416 | 610 | msleep(500); |
2e5c1ec8 MK |
611 | } |
612 | ||
a0c0abcb | 613 | sms_debug("rc=%d, postload=%p ", rc, |
068d6c0f | 614 | coredev->postload_handler); |
2e5c1ec8 MK |
615 | |
616 | kfree(msg); | |
617 | ||
f17407a8 | 618 | return ((rc >= 0) && coredev->postload_handler) ? |
2e5c1ec8 MK |
619 | coredev->postload_handler(coredev->context) : |
620 | rc; | |
621 | } | |
622 | ||
623 | /** | |
624 | * loads specified firmware into a buffer and calls device loadfirmware_handler | |
625 | * | |
59bf6b8e MK |
626 | * @param coredev pointer to a coredev object returned by |
627 | * smscore_register_device | |
2e5c1ec8 MK |
628 | * @param filename null-terminated string specifies firmware file name |
629 | * @param loadfirmware_handler device handler that loads firmware | |
630 | * | |
631 | * @return 0 on success, <0 on error. | |
632 | */ | |
0c071f37 MK |
633 | static int smscore_load_firmware_from_file(struct smscore_device_t *coredev, |
634 | char *filename, | |
635 | loadfirmware_t loadfirmware_handler) | |
2e5c1ec8 MK |
636 | { |
637 | int rc = -ENOENT; | |
2e5c1ec8 | 638 | const struct firmware *fw; |
a83ccdd6 | 639 | u8 *fw_buffer; |
2e5c1ec8 | 640 | |
82237416 MK |
641 | if (loadfirmware_handler == NULL && !(coredev->device_flags & |
642 | SMS_DEVICE_FAMILY2)) | |
2e5c1ec8 MK |
643 | return -EINVAL; |
644 | ||
645 | rc = request_firmware(&fw, filename, coredev->device); | |
82237416 | 646 | if (rc < 0) { |
a0c0abcb | 647 | sms_info("failed to open \"%s\"", filename); |
2e5c1ec8 MK |
648 | return rc; |
649 | } | |
0f2a1ee1 | 650 | sms_info("read FW %s, size=%zd", filename, fw->size); |
82237416 MK |
651 | fw_buffer = kmalloc(ALIGN(fw->size, SMS_ALLOC_ALIGNMENT), |
652 | GFP_KERNEL | GFP_DMA); | |
653 | if (fw_buffer) { | |
2e5c1ec8 MK |
654 | memcpy(fw_buffer, fw->data, fw->size); |
655 | ||
656 | rc = (coredev->device_flags & SMS_DEVICE_FAMILY2) ? | |
59bf6b8e MK |
657 | smscore_load_firmware_family2(coredev, |
658 | fw_buffer, | |
659 | fw->size) : | |
660 | loadfirmware_handler(coredev->context, | |
661 | fw_buffer, fw->size); | |
2e5c1ec8 MK |
662 | |
663 | kfree(fw_buffer); | |
82237416 | 664 | } else { |
a0c0abcb | 665 | sms_info("failed to allocate firmware buffer"); |
2e5c1ec8 MK |
666 | rc = -ENOMEM; |
667 | } | |
668 | ||
669 | release_firmware(fw); | |
670 | ||
671 | return rc; | |
672 | } | |
673 | ||
674 | /** | |
59bf6b8e MK |
675 | * notifies all clients registered with the device, notifies hotplugs, |
676 | * frees all buffers and coredev object | |
2e5c1ec8 | 677 | * |
59bf6b8e MK |
678 | * @param coredev pointer to a coredev object returned by |
679 | * smscore_register_device | |
2e5c1ec8 MK |
680 | * |
681 | * @return 0 on success, <0 on error. | |
682 | */ | |
18245e18 | 683 | void smscore_unregister_device(struct smscore_device_t *coredev) |
2e5c1ec8 | 684 | { |
18245e18 | 685 | struct smscore_buffer_t *cb; |
2e5c1ec8 | 686 | int num_buffers = 0; |
f17407a8 | 687 | int retry = 0; |
2e5c1ec8 MK |
688 | |
689 | kmutex_lock(&g_smscore_deviceslock); | |
690 | ||
a804800a US |
691 | /* Release input device (IR) resources */ |
692 | sms_ir_exit(coredev); | |
693 | ||
2e5c1ec8 MK |
694 | smscore_notify_clients(coredev); |
695 | smscore_notify_callbacks(coredev, NULL, 0); | |
696 | ||
82237416 MK |
697 | /* at this point all buffers should be back |
698 | * onresponse must no longer be called */ | |
2e5c1ec8 | 699 | |
82237416 | 700 | while (1) { |
a9349315 US |
701 | while (!list_empty(&coredev->buffers)) { |
702 | cb = (struct smscore_buffer_t *) coredev->buffers.next; | |
703 | list_del(&cb->entry); | |
2e5c1ec8 | 704 | kfree(cb); |
fa830e8a | 705 | num_buffers++; |
2e5c1ec8 | 706 | } |
2e5c1ec8 MK |
707 | if (num_buffers == coredev->num_buffers) |
708 | break; | |
82237416 | 709 | if (++retry > 10) { |
a0c0abcb MK |
710 | sms_info("exiting although " |
711 | "not all buffers released."); | |
f17407a8 MK |
712 | break; |
713 | } | |
2e5c1ec8 | 714 | |
a0c0abcb | 715 | sms_info("waiting for %d buffer(s)", |
068d6c0f | 716 | coredev->num_buffers - num_buffers); |
2e5c1ec8 MK |
717 | msleep(100); |
718 | } | |
719 | ||
a0c0abcb | 720 | sms_info("freed %d buffers", num_buffers); |
2e5c1ec8 MK |
721 | |
722 | if (coredev->common_buffer) | |
82237416 | 723 | dma_free_coherent(NULL, coredev->common_buffer_size, |
a9349315 US |
724 | coredev->common_buffer, coredev->common_buffer_phys); |
725 | ||
726 | if (coredev->fw_buf != NULL) | |
727 | kfree(coredev->fw_buf); | |
2e5c1ec8 MK |
728 | |
729 | list_del(&coredev->entry); | |
730 | kfree(coredev); | |
731 | ||
732 | kmutex_unlock(&g_smscore_deviceslock); | |
733 | ||
a0c0abcb | 734 | sms_info("device %p destroyed", coredev); |
2e5c1ec8 | 735 | } |
a0beec8f | 736 | EXPORT_SYMBOL_GPL(smscore_unregister_device); |
2e5c1ec8 | 737 | |
0c071f37 | 738 | static int smscore_detect_mode(struct smscore_device_t *coredev) |
2e5c1ec8 | 739 | { |
18245e18 | 740 | void *buffer = kmalloc(sizeof(struct SmsMsgHdr_ST) + SMS_DMA_ALIGNMENT, |
82237416 | 741 | GFP_KERNEL | GFP_DMA); |
18245e18 MK |
742 | struct SmsMsgHdr_ST *msg = |
743 | (struct SmsMsgHdr_ST *) SMS_ALIGN_ADDRESS(buffer); | |
2e5c1ec8 MK |
744 | int rc; |
745 | ||
746 | if (!buffer) | |
747 | return -ENOMEM; | |
748 | ||
18245e18 MK |
749 | SMS_INIT_MSG(msg, MSG_SMS_GET_VERSION_EX_REQ, |
750 | sizeof(struct SmsMsgHdr_ST)); | |
2e5c1ec8 | 751 | |
82237416 MK |
752 | rc = smscore_sendrequest_and_wait(coredev, msg, msg->msgLength, |
753 | &coredev->version_ex_done); | |
754 | if (rc == -ETIME) { | |
a0c0abcb | 755 | sms_err("MSG_SMS_GET_VERSION_EX_REQ failed first try"); |
2e5c1ec8 | 756 | |
82237416 MK |
757 | if (wait_for_completion_timeout(&coredev->resume_done, |
758 | msecs_to_jiffies(5000))) { | |
59bf6b8e MK |
759 | rc = smscore_sendrequest_and_wait( |
760 | coredev, msg, msg->msgLength, | |
761 | &coredev->version_ex_done); | |
2e5c1ec8 | 762 | if (rc < 0) |
a0c0abcb MK |
763 | sms_err("MSG_SMS_GET_VERSION_EX_REQ failed " |
764 | "second try, rc %d", rc); | |
82237416 | 765 | } else |
2e5c1ec8 MK |
766 | rc = -ETIME; |
767 | } | |
768 | ||
769 | kfree(buffer); | |
770 | ||
771 | return rc; | |
772 | } | |
773 | ||
0c071f37 | 774 | static char *smscore_fw_lkup[][SMS_NUM_OF_DEVICE_TYPES] = { |
fbd05c82 MK |
775 | /*Stellar NOVA A0 Nova B0 VEGA*/ |
776 | /*DVBT*/ | |
777 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, | |
778 | /*DVBH*/ | |
779 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, | |
780 | /*TDMB*/ | |
e0f14c25 | 781 | {"none", "tdmb_nova_12mhz.inp", "tdmb_nova_12mhz_b0.inp", "none"}, |
fbd05c82 MK |
782 | /*DABIP*/ |
783 | {"none", "none", "none", "none"}, | |
784 | /*BDA*/ | |
785 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, | |
786 | /*ISDBT*/ | |
8cc8ef26 | 787 | {"none", "isdbt_nova_12mhz.inp", "isdbt_nova_12mhz_b0.inp", "none"}, |
fbd05c82 MK |
788 | /*ISDBTBDA*/ |
789 | {"none", "isdbt_nova_12mhz.inp", "isdbt_nova_12mhz_b0.inp", "none"}, | |
790 | /*CMMB*/ | |
791 | {"none", "none", "none", "cmmb_vega_12mhz.inp"} | |
2e5c1ec8 MK |
792 | }; |
793 | ||
02aea4fb MK |
794 | static inline char *sms_get_fw_name(struct smscore_device_t *coredev, |
795 | int mode, enum sms_device_type_st type) | |
796 | { | |
797 | char **fw = sms_get_board(smscore_get_board_id(coredev))->fw; | |
798 | return (fw && fw[mode]) ? fw[mode] : smscore_fw_lkup[mode][type]; | |
799 | } | |
f17407a8 | 800 | |
2e5c1ec8 MK |
801 | /** |
802 | * calls device handler to change mode of operation | |
803 | * NOTE: stellar/usb may disconnect when changing mode | |
804 | * | |
59bf6b8e MK |
805 | * @param coredev pointer to a coredev object returned by |
806 | * smscore_register_device | |
2e5c1ec8 MK |
807 | * @param mode requested mode of operation |
808 | * | |
809 | * @return 0 on success, <0 on error. | |
810 | */ | |
18245e18 | 811 | int smscore_set_device_mode(struct smscore_device_t *coredev, int mode) |
2e5c1ec8 MK |
812 | { |
813 | void *buffer; | |
814 | int rc = 0; | |
18245e18 | 815 | enum sms_device_type_st type; |
2e5c1ec8 | 816 | |
2522dc13 | 817 | sms_debug("set device mode to %d", mode); |
82237416 | 818 | if (coredev->device_flags & SMS_DEVICE_FAMILY2) { |
08b39642 | 819 | if (mode < DEVICE_MODE_DVBT || mode >= DEVICE_MODE_RAW_TUNER) { |
eb250942 | 820 | sms_err("invalid mode specified %d", mode); |
2e5c1ec8 MK |
821 | return -EINVAL; |
822 | } | |
823 | ||
f17407a8 MK |
824 | smscore_registry_setmode(coredev->devpath, mode); |
825 | ||
82237416 | 826 | if (!(coredev->device_flags & SMS_DEVICE_NOT_READY)) { |
2e5c1ec8 | 827 | rc = smscore_detect_mode(coredev); |
82237416 | 828 | if (rc < 0) { |
eb250942 | 829 | sms_err("mode detect failed %d", rc); |
2e5c1ec8 | 830 | return rc; |
82237416 | 831 | } |
f17407a8 | 832 | } |
2e5c1ec8 | 833 | |
82237416 | 834 | if (coredev->mode == mode) { |
a0c0abcb | 835 | sms_info("device mode %d already set", mode); |
2e5c1ec8 MK |
836 | return 0; |
837 | } | |
838 | ||
82237416 | 839 | if (!(coredev->modes_supported & (1 << mode))) { |
02aea4fb MK |
840 | char *fw_filename; |
841 | ||
82237416 | 842 | type = smscore_registry_gettype(coredev->devpath); |
02aea4fb MK |
843 | fw_filename = sms_get_fw_name(coredev, mode, type); |
844 | ||
845 | rc = smscore_load_firmware_from_file(coredev, | |
846 | fw_filename, NULL); | |
82237416 | 847 | if (rc < 0) { |
5068b7a4 MK |
848 | sms_warn("error %d loading firmware: %s, " |
849 | "trying again with default firmware", | |
850 | rc, fw_filename); | |
02aea4fb MK |
851 | |
852 | /* try again with the default firmware */ | |
5068b7a4 | 853 | fw_filename = smscore_fw_lkup[mode][type]; |
02aea4fb | 854 | rc = smscore_load_firmware_from_file(coredev, |
5068b7a4 | 855 | fw_filename, NULL); |
02aea4fb MK |
856 | |
857 | if (rc < 0) { | |
5068b7a4 MK |
858 | sms_warn("error %d loading " |
859 | "firmware: %s", rc, | |
860 | fw_filename); | |
02aea4fb MK |
861 | return rc; |
862 | } | |
82237416 | 863 | } |
5068b7a4 | 864 | sms_log("firmware download success: %s", fw_filename); |
82237416 | 865 | } else |
a0c0abcb MK |
866 | sms_info("mode %d supported by running " |
867 | "firmware", mode); | |
2e5c1ec8 | 868 | |
18245e18 MK |
869 | buffer = kmalloc(sizeof(struct SmsMsgData_ST) + |
870 | SMS_DMA_ALIGNMENT, GFP_KERNEL | GFP_DMA); | |
82237416 | 871 | if (buffer) { |
18245e18 MK |
872 | struct SmsMsgData_ST *msg = |
873 | (struct SmsMsgData_ST *) | |
874 | SMS_ALIGN_ADDRESS(buffer); | |
2e5c1ec8 | 875 | |
59bf6b8e | 876 | SMS_INIT_MSG(&msg->xMsgHeader, MSG_SMS_INIT_DEVICE_REQ, |
18245e18 | 877 | sizeof(struct SmsMsgData_ST)); |
2e5c1ec8 MK |
878 | msg->msgData[0] = mode; |
879 | ||
59bf6b8e MK |
880 | rc = smscore_sendrequest_and_wait( |
881 | coredev, msg, msg->xMsgHeader.msgLength, | |
882 | &coredev->init_device_done); | |
2e5c1ec8 MK |
883 | |
884 | kfree(buffer); | |
82237416 | 885 | } else { |
eb250942 MK |
886 | sms_err("Could not allocate buffer for " |
887 | "init device message."); | |
2e5c1ec8 | 888 | rc = -ENOMEM; |
82237416 MK |
889 | } |
890 | } else { | |
891 | if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) { | |
eb250942 | 892 | sms_err("invalid mode specified %d", mode); |
f17407a8 MK |
893 | return -EINVAL; |
894 | } | |
895 | ||
896 | smscore_registry_setmode(coredev->devpath, mode); | |
897 | ||
2e5c1ec8 | 898 | if (coredev->detectmode_handler) |
82237416 MK |
899 | coredev->detectmode_handler(coredev->context, |
900 | &coredev->mode); | |
2e5c1ec8 MK |
901 | |
902 | if (coredev->mode != mode && coredev->setmode_handler) | |
903 | rc = coredev->setmode_handler(coredev->context, mode); | |
904 | } | |
905 | ||
82237416 | 906 | if (rc >= 0) { |
2e5c1ec8 MK |
907 | coredev->mode = mode; |
908 | coredev->device_flags &= ~SMS_DEVICE_NOT_READY; | |
909 | } | |
910 | ||
5d2387e3 | 911 | if (rc < 0) |
eb250942 | 912 | sms_err("return error code %d.", rc); |
2e5c1ec8 MK |
913 | return rc; |
914 | } | |
915 | ||
916 | /** | |
917 | * calls device handler to get current mode of operation | |
918 | * | |
59bf6b8e MK |
919 | * @param coredev pointer to a coredev object returned by |
920 | * smscore_register_device | |
2e5c1ec8 MK |
921 | * |
922 | * @return current mode | |
923 | */ | |
18245e18 | 924 | int smscore_get_device_mode(struct smscore_device_t *coredev) |
2e5c1ec8 MK |
925 | { |
926 | return coredev->mode; | |
927 | } | |
a0beec8f | 928 | EXPORT_SYMBOL_GPL(smscore_get_device_mode); |
2e5c1ec8 | 929 | |
f17407a8 MK |
930 | /** |
931 | * find client by response id & type within the clients list. | |
932 | * return client handle or NULL. | |
933 | * | |
59bf6b8e MK |
934 | * @param coredev pointer to a coredev object returned by |
935 | * smscore_register_device | |
f17407a8 | 936 | * @param data_type client data type (SMS_DONT_CARE for all types) |
82237416 | 937 | * @param id client id (SMS_DONT_CARE for all id) |
f17407a8 MK |
938 | * |
939 | */ | |
0c071f37 MK |
940 | static struct |
941 | smscore_client_t *smscore_find_client(struct smscore_device_t *coredev, | |
59bf6b8e | 942 | int data_type, int id) |
2e5c1ec8 | 943 | { |
18245e18 | 944 | struct smscore_client_t *client = NULL; |
2e5c1ec8 MK |
945 | struct list_head *next, *first; |
946 | unsigned long flags; | |
f17407a8 | 947 | struct list_head *firstid, *nextid; |
2e5c1ec8 | 948 | |
2e5c1ec8 MK |
949 | |
950 | spin_lock_irqsave(&coredev->clientslock, flags); | |
2e5c1ec8 | 951 | first = &coredev->clients; |
82237416 MK |
952 | for (next = first->next; |
953 | (next != first) && !client; | |
954 | next = next->next) { | |
18245e18 | 955 | firstid = &((struct smscore_client_t *)next)->idlist; |
82237416 MK |
956 | for (nextid = firstid->next; |
957 | nextid != firstid; | |
958 | nextid = nextid->next) { | |
18245e18 MK |
959 | if ((((struct smscore_idlist_t *)nextid)->id == id) && |
960 | (((struct smscore_idlist_t *)nextid)->data_type == data_type || | |
961 | (((struct smscore_idlist_t *)nextid)->data_type == 0))) { | |
962 | client = (struct smscore_client_t *) next; | |
82237416 MK |
963 | break; |
964 | } | |
2e5c1ec8 MK |
965 | } |
966 | } | |
2e5c1ec8 | 967 | spin_unlock_irqrestore(&coredev->clientslock, flags); |
2e5c1ec8 MK |
968 | return client; |
969 | } | |
970 | ||
971 | /** | |
972 | * find client by response id/type, call clients onresponse handler | |
973 | * return buffer to pool on error | |
974 | * | |
59bf6b8e MK |
975 | * @param coredev pointer to a coredev object returned by |
976 | * smscore_register_device | |
2e5c1ec8 MK |
977 | * @param cb pointer to response buffer descriptor |
978 | * | |
979 | */ | |
18245e18 | 980 | void smscore_onresponse(struct smscore_device_t *coredev, |
793786d1 US |
981 | struct smscore_buffer_t *cb) { |
982 | struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) ((u8 *) cb->p | |
983 | + cb->offset); | |
984 | struct smscore_client_t *client; | |
2e5c1ec8 | 985 | int rc = -EBUSY; |
fbd05c82 MK |
986 | static unsigned long last_sample_time; /* = 0; */ |
987 | static int data_total; /* = 0; */ | |
2e5c1ec8 MK |
988 | unsigned long time_now = jiffies_to_msecs(jiffies); |
989 | ||
990 | if (!last_sample_time) | |
991 | last_sample_time = time_now; | |
992 | ||
fa830e8a | 993 | if (time_now - last_sample_time > 10000) { |
a0c0abcb | 994 | sms_debug("\ndata rate %d bytes/secs", |
068d6c0f MK |
995 | (int)((data_total * 1000) / |
996 | (time_now - last_sample_time))); | |
2e5c1ec8 MK |
997 | |
998 | last_sample_time = time_now; | |
999 | data_total = 0; | |
1000 | } | |
1001 | ||
1002 | data_total += cb->size; | |
793786d1 US |
1003 | /* Do we need to re-route? */ |
1004 | if ((phdr->msgType == MSG_SMS_HO_PER_SLICES_IND) || | |
1005 | (phdr->msgType == MSG_SMS_TRANSMISSION_IND)) { | |
1006 | if (coredev->mode == DEVICE_MODE_DVBT_BDA) | |
1007 | phdr->msgDstId = DVBT_BDA_CONTROL_MSG_ID; | |
1008 | } | |
1009 | ||
1010 | ||
1011 | client = smscore_find_client(coredev, phdr->msgType, phdr->msgDstId); | |
1012 | ||
82237416 MK |
1013 | /* If no client registered for type & id, |
1014 | * check for control client where type is not registered */ | |
2e5c1ec8 MK |
1015 | if (client) |
1016 | rc = client->onresponse_handler(client->context, cb); | |
1017 | ||
82237416 MK |
1018 | if (rc < 0) { |
1019 | switch (phdr->msgType) { | |
1020 | case MSG_SMS_GET_VERSION_EX_RES: | |
2e5c1ec8 | 1021 | { |
18245e18 MK |
1022 | struct SmsVersionRes_ST *ver = |
1023 | (struct SmsVersionRes_ST *) phdr; | |
a0c0abcb MK |
1024 | sms_debug("MSG_SMS_GET_VERSION_EX_RES " |
1025 | "id %d prots 0x%x ver %d.%d", | |
068d6c0f MK |
1026 | ver->FirmwareId, ver->SupportedProtocols, |
1027 | ver->RomVersionMajor, ver->RomVersionMinor); | |
2e5c1ec8 | 1028 | |
82237416 MK |
1029 | coredev->mode = ver->FirmwareId == 255 ? |
1030 | DEVICE_MODE_NONE : ver->FirmwareId; | |
1031 | coredev->modes_supported = ver->SupportedProtocols; | |
2e5c1ec8 | 1032 | |
82237416 MK |
1033 | complete(&coredev->version_ex_done); |
1034 | break; | |
1035 | } | |
1036 | case MSG_SMS_INIT_DEVICE_RES: | |
a0c0abcb | 1037 | sms_debug("MSG_SMS_INIT_DEVICE_RES"); |
82237416 MK |
1038 | complete(&coredev->init_device_done); |
1039 | break; | |
1040 | case MSG_SW_RELOAD_START_RES: | |
a0c0abcb | 1041 | sms_debug("MSG_SW_RELOAD_START_RES"); |
82237416 MK |
1042 | complete(&coredev->reload_start_done); |
1043 | break; | |
1044 | case MSG_SMS_DATA_DOWNLOAD_RES: | |
1045 | complete(&coredev->data_download_done); | |
1046 | break; | |
1047 | case MSG_SW_RELOAD_EXEC_RES: | |
a0c0abcb | 1048 | sms_debug("MSG_SW_RELOAD_EXEC_RES"); |
82237416 MK |
1049 | break; |
1050 | case MSG_SMS_SWDOWNLOAD_TRIGGER_RES: | |
a0c0abcb | 1051 | sms_debug("MSG_SMS_SWDOWNLOAD_TRIGGER_RES"); |
82237416 MK |
1052 | complete(&coredev->trigger_done); |
1053 | break; | |
1054 | case MSG_SMS_SLEEP_RESUME_COMP_IND: | |
1055 | complete(&coredev->resume_done); | |
1056 | break; | |
34601caa US |
1057 | case MSG_SMS_GPIO_CONFIG_EX_RES: |
1058 | sms_debug("MSG_SMS_GPIO_CONFIG_EX_RES"); | |
1059 | complete(&coredev->gpio_configuration_done); | |
1060 | break; | |
1061 | case MSG_SMS_GPIO_SET_LEVEL_RES: | |
1062 | sms_debug("MSG_SMS_GPIO_SET_LEVEL_RES"); | |
1063 | complete(&coredev->gpio_set_level_done); | |
1064 | break; | |
1065 | case MSG_SMS_GPIO_GET_LEVEL_RES: | |
1066 | { | |
1067 | u32 *msgdata = (u32 *) phdr; | |
1068 | coredev->gpio_get_res = msgdata[1]; | |
1069 | sms_debug("MSG_SMS_GPIO_GET_LEVEL_RES gpio level %d", | |
1070 | coredev->gpio_get_res); | |
1071 | complete(&coredev->gpio_get_level_done); | |
1072 | break; | |
1073 | } | |
a804800a US |
1074 | case MSG_SMS_START_IR_RES: |
1075 | complete(&coredev->ir_init_done); | |
1076 | break; | |
1077 | case MSG_SMS_IR_SAMPLES_IND: | |
1078 | sms_ir_event(coredev, | |
1079 | (const char *) | |
1080 | ((char *)phdr | |
1081 | + sizeof(struct SmsMsgHdr_ST)), | |
1082 | (int)phdr->msgLength | |
1083 | - sizeof(struct SmsMsgHdr_ST)); | |
1084 | break; | |
1085 | ||
82237416 MK |
1086 | default: |
1087 | break; | |
2e5c1ec8 | 1088 | } |
2e5c1ec8 MK |
1089 | smscore_putbuffer(coredev, cb); |
1090 | } | |
1091 | } | |
a0beec8f | 1092 | EXPORT_SYMBOL_GPL(smscore_onresponse); |
2e5c1ec8 MK |
1093 | |
1094 | /** | |
1095 | * return pointer to next free buffer descriptor from core pool | |
1096 | * | |
59bf6b8e MK |
1097 | * @param coredev pointer to a coredev object returned by |
1098 | * smscore_register_device | |
2e5c1ec8 MK |
1099 | * |
1100 | * @return pointer to descriptor on success, NULL on error. | |
1101 | */ | |
18245e18 | 1102 | struct smscore_buffer_t *smscore_getbuffer(struct smscore_device_t *coredev) |
2e5c1ec8 | 1103 | { |
18245e18 | 1104 | struct smscore_buffer_t *cb = NULL; |
2e5c1ec8 MK |
1105 | unsigned long flags; |
1106 | ||
a9349315 US |
1107 | DEFINE_WAIT(wait); |
1108 | ||
2e5c1ec8 MK |
1109 | spin_lock_irqsave(&coredev->bufferslock, flags); |
1110 | ||
a9349315 US |
1111 | /* This function must return a valid buffer, since the buffer list is |
1112 | * finite, we check that there is an available buffer, if not, we wait | |
1113 | * until such buffer become available. | |
1114 | */ | |
1115 | ||
1116 | prepare_to_wait(&coredev->buffer_mng_waitq, &wait, TASK_INTERRUPTIBLE); | |
1117 | ||
1118 | if (list_empty(&coredev->buffers)) | |
1119 | schedule(); | |
1120 | ||
1121 | finish_wait(&coredev->buffer_mng_waitq, &wait); | |
1122 | ||
1123 | cb = (struct smscore_buffer_t *) coredev->buffers.next; | |
1124 | list_del(&cb->entry); | |
2e5c1ec8 MK |
1125 | |
1126 | spin_unlock_irqrestore(&coredev->bufferslock, flags); | |
1127 | ||
1128 | return cb; | |
1129 | } | |
a0beec8f | 1130 | EXPORT_SYMBOL_GPL(smscore_getbuffer); |
2e5c1ec8 MK |
1131 | |
1132 | /** | |
1133 | * return buffer descriptor to a pool | |
1134 | * | |
59bf6b8e MK |
1135 | * @param coredev pointer to a coredev object returned by |
1136 | * smscore_register_device | |
2e5c1ec8 MK |
1137 | * @param cb pointer buffer descriptor |
1138 | * | |
1139 | */ | |
18245e18 | 1140 | void smscore_putbuffer(struct smscore_device_t *coredev, |
a9349315 US |
1141 | struct smscore_buffer_t *cb) { |
1142 | wake_up_interruptible(&coredev->buffer_mng_waitq); | |
2e5c1ec8 MK |
1143 | list_add_locked(&cb->entry, &coredev->buffers, &coredev->bufferslock); |
1144 | } | |
a0beec8f | 1145 | EXPORT_SYMBOL_GPL(smscore_putbuffer); |
2e5c1ec8 | 1146 | |
0c071f37 MK |
1147 | static int smscore_validate_client(struct smscore_device_t *coredev, |
1148 | struct smscore_client_t *client, | |
1149 | int data_type, int id) | |
2e5c1ec8 | 1150 | { |
18245e18 MK |
1151 | struct smscore_idlist_t *listentry; |
1152 | struct smscore_client_t *registered_client; | |
2e5c1ec8 | 1153 | |
82237416 | 1154 | if (!client) { |
2522dc13 | 1155 | sms_err("bad parameter."); |
f17407a8 MK |
1156 | return -EFAULT; |
1157 | } | |
1158 | registered_client = smscore_find_client(coredev, data_type, id); | |
fa830e8a | 1159 | if (registered_client == client) |
2e5c1ec8 | 1160 | return 0; |
fa830e8a | 1161 | |
82237416 | 1162 | if (registered_client) { |
2522dc13 | 1163 | sms_err("The msg ID already registered to another client."); |
f17407a8 MK |
1164 | return -EEXIST; |
1165 | } | |
18245e18 | 1166 | listentry = kzalloc(sizeof(struct smscore_idlist_t), GFP_KERNEL); |
82237416 | 1167 | if (!listentry) { |
2522dc13 | 1168 | sms_err("Can't allocate memory for client id."); |
2e5c1ec8 | 1169 | return -ENOMEM; |
f17407a8 MK |
1170 | } |
1171 | listentry->id = id; | |
1172 | listentry->data_type = data_type; | |
82237416 MK |
1173 | list_add_locked(&listentry->entry, &client->idlist, |
1174 | &coredev->clientslock); | |
2e5c1ec8 MK |
1175 | return 0; |
1176 | } | |
1177 | ||
1178 | /** | |
1179 | * creates smsclient object, check that id is taken by another client | |
1180 | * | |
1181 | * @param coredev pointer to a coredev object from clients hotplug | |
1182 | * @param initial_id all messages with this id would be sent to this client | |
1183 | * @param data_type all messages of this type would be sent to this client | |
ca783736 MK |
1184 | * @param onresponse_handler client handler that is called to |
1185 | * process incoming messages | |
2e5c1ec8 MK |
1186 | * @param onremove_handler client handler that is called when device is removed |
1187 | * @param context client-specific context | |
1188 | * @param client pointer to a value that receives created smsclient object | |
1189 | * | |
1190 | * @return 0 on success, <0 on error. | |
1191 | */ | |
18245e18 MK |
1192 | int smscore_register_client(struct smscore_device_t *coredev, |
1193 | struct smsclient_params_t *params, | |
1194 | struct smscore_client_t **client) | |
2e5c1ec8 | 1195 | { |
18245e18 | 1196 | struct smscore_client_t *newclient; |
82237416 MK |
1197 | /* check that no other channel with same parameters exists */ |
1198 | if (smscore_find_client(coredev, params->data_type, | |
1199 | params->initial_id)) { | |
2522dc13 | 1200 | sms_err("Client already exist."); |
2e5c1ec8 | 1201 | return -EEXIST; |
f17407a8 | 1202 | } |
2e5c1ec8 | 1203 | |
18245e18 | 1204 | newclient = kzalloc(sizeof(struct smscore_client_t), GFP_KERNEL); |
82237416 | 1205 | if (!newclient) { |
2522dc13 | 1206 | sms_err("Failed to allocate memory for client."); |
f17407a8 | 1207 | return -ENOMEM; |
2e5c1ec8 MK |
1208 | } |
1209 | ||
82237416 | 1210 | INIT_LIST_HEAD(&newclient->idlist); |
2e5c1ec8 | 1211 | newclient->coredev = coredev; |
2e5c1ec8 MK |
1212 | newclient->onresponse_handler = params->onresponse_handler; |
1213 | newclient->onremove_handler = params->onremove_handler; | |
1214 | newclient->context = params->context; | |
82237416 MK |
1215 | list_add_locked(&newclient->entry, &coredev->clients, |
1216 | &coredev->clientslock); | |
1217 | smscore_validate_client(coredev, newclient, params->data_type, | |
1218 | params->initial_id); | |
2e5c1ec8 | 1219 | *client = newclient; |
2522dc13 MK |
1220 | sms_debug("%p %d %d", params->context, params->data_type, |
1221 | params->initial_id); | |
2e5c1ec8 MK |
1222 | |
1223 | return 0; | |
1224 | } | |
a0beec8f | 1225 | EXPORT_SYMBOL_GPL(smscore_register_client); |
2e5c1ec8 MK |
1226 | |
1227 | /** | |
1228 | * frees smsclient object and all subclients associated with it | |
1229 | * | |
59bf6b8e MK |
1230 | * @param client pointer to smsclient object returned by |
1231 | * smscore_register_client | |
2e5c1ec8 MK |
1232 | * |
1233 | */ | |
18245e18 | 1234 | void smscore_unregister_client(struct smscore_client_t *client) |
2e5c1ec8 | 1235 | { |
18245e18 | 1236 | struct smscore_device_t *coredev = client->coredev; |
2e5c1ec8 MK |
1237 | unsigned long flags; |
1238 | ||
1239 | spin_lock_irqsave(&coredev->clientslock, flags); | |
1240 | ||
2e5c1ec8 | 1241 | |
82237416 | 1242 | while (!list_empty(&client->idlist)) { |
18245e18 MK |
1243 | struct smscore_idlist_t *identry = |
1244 | (struct smscore_idlist_t *) client->idlist.next; | |
82237416 MK |
1245 | list_del(&identry->entry); |
1246 | kfree(identry); | |
2e5c1ec8 MK |
1247 | } |
1248 | ||
a0c0abcb | 1249 | sms_info("%p", client->context); |
2e5c1ec8 MK |
1250 | |
1251 | list_del(&client->entry); | |
1252 | kfree(client); | |
1253 | ||
1254 | spin_unlock_irqrestore(&coredev->clientslock, flags); | |
1255 | } | |
a0beec8f | 1256 | EXPORT_SYMBOL_GPL(smscore_unregister_client); |
2e5c1ec8 MK |
1257 | |
1258 | /** | |
1259 | * verifies that source id is not taken by another client, | |
1260 | * calls device handler to send requests to the device | |
1261 | * | |
59bf6b8e MK |
1262 | * @param client pointer to smsclient object returned by |
1263 | * smscore_register_client | |
2e5c1ec8 MK |
1264 | * @param buffer pointer to a request buffer |
1265 | * @param size size (in bytes) of request buffer | |
1266 | * | |
1267 | * @return 0 on success, <0 on error. | |
1268 | */ | |
18245e18 MK |
1269 | int smsclient_sendrequest(struct smscore_client_t *client, |
1270 | void *buffer, size_t size) | |
2e5c1ec8 | 1271 | { |
18245e18 MK |
1272 | struct smscore_device_t *coredev; |
1273 | struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) buffer; | |
f17407a8 MK |
1274 | int rc; |
1275 | ||
82237416 | 1276 | if (client == NULL) { |
a0c0abcb | 1277 | sms_err("Got NULL client"); |
f17407a8 MK |
1278 | return -EINVAL; |
1279 | } | |
1280 | ||
1281 | coredev = client->coredev; | |
2e5c1ec8 | 1282 | |
82237416 MK |
1283 | /* check that no other channel with same id exists */ |
1284 | if (coredev == NULL) { | |
a0c0abcb | 1285 | sms_err("Got NULL coredev"); |
f17407a8 MK |
1286 | return -EINVAL; |
1287 | } | |
1288 | ||
82237416 MK |
1289 | rc = smscore_validate_client(client->coredev, client, 0, |
1290 | phdr->msgSrcId); | |
2e5c1ec8 MK |
1291 | if (rc < 0) |
1292 | return rc; | |
1293 | ||
1294 | return coredev->sendrequest_handler(coredev->context, buffer, size); | |
1295 | } | |
a0beec8f | 1296 | EXPORT_SYMBOL_GPL(smsclient_sendrequest); |
2e5c1ec8 | 1297 | |
2e5c1ec8 | 1298 | |
7c4ca79f | 1299 | /* old GPIO managments implementation */ |
76052bc8 | 1300 | int smscore_configure_gpio(struct smscore_device_t *coredev, u32 pin, |
7c4ca79f | 1301 | struct smscore_config_gpio *pinconfig) |
76052bc8 MK |
1302 | { |
1303 | struct { | |
1304 | struct SmsMsgHdr_ST hdr; | |
1305 | u32 data[6]; | |
1306 | } msg; | |
1307 | ||
1308 | if (coredev->device_flags & SMS_DEVICE_FAMILY2) { | |
1309 | msg.hdr.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; | |
1310 | msg.hdr.msgDstId = HIF_TASK; | |
1311 | msg.hdr.msgFlags = 0; | |
1312 | msg.hdr.msgType = MSG_SMS_GPIO_CONFIG_EX_REQ; | |
1313 | msg.hdr.msgLength = sizeof(msg); | |
1314 | ||
1315 | msg.data[0] = pin; | |
1316 | msg.data[1] = pinconfig->pullupdown; | |
1317 | ||
1318 | /* Convert slew rate for Nova: Fast(0) = 3 / Slow(1) = 0; */ | |
1319 | msg.data[2] = pinconfig->outputslewrate == 0 ? 3 : 0; | |
1320 | ||
1321 | switch (pinconfig->outputdriving) { | |
1322 | case SMS_GPIO_OUTPUTDRIVING_16mA: | |
1323 | msg.data[3] = 7; /* Nova - 16mA */ | |
1324 | break; | |
1325 | case SMS_GPIO_OUTPUTDRIVING_12mA: | |
1326 | msg.data[3] = 5; /* Nova - 11mA */ | |
1327 | break; | |
1328 | case SMS_GPIO_OUTPUTDRIVING_8mA: | |
1329 | msg.data[3] = 3; /* Nova - 7mA */ | |
1330 | break; | |
1331 | case SMS_GPIO_OUTPUTDRIVING_4mA: | |
1332 | default: | |
1333 | msg.data[3] = 2; /* Nova - 4mA */ | |
1334 | break; | |
1335 | } | |
1336 | ||
1337 | msg.data[4] = pinconfig->direction; | |
1338 | msg.data[5] = 0; | |
1339 | } else /* TODO: SMS_DEVICE_FAMILY1 */ | |
1340 | return -EINVAL; | |
1341 | ||
1342 | return coredev->sendrequest_handler(coredev->context, | |
1343 | &msg, sizeof(msg)); | |
1344 | } | |
1345 | ||
1346 | int smscore_set_gpio(struct smscore_device_t *coredev, u32 pin, int level) | |
1347 | { | |
1348 | struct { | |
1349 | struct SmsMsgHdr_ST hdr; | |
1350 | u32 data[3]; | |
1351 | } msg; | |
1352 | ||
1353 | if (pin > MAX_GPIO_PIN_NUMBER) | |
1354 | return -EINVAL; | |
1355 | ||
1356 | msg.hdr.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; | |
1357 | msg.hdr.msgDstId = HIF_TASK; | |
1358 | msg.hdr.msgFlags = 0; | |
1359 | msg.hdr.msgType = MSG_SMS_GPIO_SET_LEVEL_REQ; | |
1360 | msg.hdr.msgLength = sizeof(msg); | |
1361 | ||
1362 | msg.data[0] = pin; | |
1363 | msg.data[1] = level ? 1 : 0; | |
1364 | msg.data[2] = 0; | |
1365 | ||
1366 | return coredev->sendrequest_handler(coredev->context, | |
1367 | &msg, sizeof(msg)); | |
1368 | } | |
1369 | ||
7c4ca79f US |
1370 | /* new GPIO managment implementation */ |
1371 | static int GetGpioPinParams(u32 PinNum, u32 *pTranslatedPinNum, | |
1372 | u32 *pGroupNum, u32 *pGroupCfg) { | |
1373 | ||
1374 | *pGroupCfg = 1; | |
1375 | ||
1376 | if (PinNum >= 0 && PinNum <= 1) { | |
1377 | *pTranslatedPinNum = 0; | |
1378 | *pGroupNum = 9; | |
1379 | *pGroupCfg = 2; | |
1380 | } else if (PinNum >= 2 && PinNum <= 6) { | |
1381 | *pTranslatedPinNum = 2; | |
1382 | *pGroupNum = 0; | |
1383 | *pGroupCfg = 2; | |
1384 | } else if (PinNum >= 7 && PinNum <= 11) { | |
1385 | *pTranslatedPinNum = 7; | |
1386 | *pGroupNum = 1; | |
1387 | } else if (PinNum >= 12 && PinNum <= 15) { | |
1388 | *pTranslatedPinNum = 12; | |
1389 | *pGroupNum = 2; | |
1390 | *pGroupCfg = 3; | |
1391 | } else if (PinNum == 16) { | |
1392 | *pTranslatedPinNum = 16; | |
1393 | *pGroupNum = 23; | |
1394 | } else if (PinNum >= 17 && PinNum <= 24) { | |
1395 | *pTranslatedPinNum = 17; | |
1396 | *pGroupNum = 3; | |
1397 | } else if (PinNum == 25) { | |
1398 | *pTranslatedPinNum = 25; | |
1399 | *pGroupNum = 6; | |
1400 | } else if (PinNum >= 26 && PinNum <= 28) { | |
1401 | *pTranslatedPinNum = 26; | |
1402 | *pGroupNum = 4; | |
1403 | } else if (PinNum == 29) { | |
1404 | *pTranslatedPinNum = 29; | |
1405 | *pGroupNum = 5; | |
1406 | *pGroupCfg = 2; | |
1407 | } else if (PinNum == 30) { | |
1408 | *pTranslatedPinNum = 30; | |
1409 | *pGroupNum = 8; | |
1410 | } else if (PinNum == 31) { | |
1411 | *pTranslatedPinNum = 31; | |
1412 | *pGroupNum = 17; | |
1413 | } else | |
1414 | return -1; | |
1415 | ||
1416 | *pGroupCfg <<= 24; | |
1417 | ||
1418 | return 0; | |
1419 | } | |
1420 | ||
1421 | int smscore_gpio_configure(struct smscore_device_t *coredev, u8 PinNum, | |
1422 | struct smscore_gpio_config *pGpioConfig) { | |
1423 | ||
1424 | u32 totalLen; | |
be5daa9b HV |
1425 | u32 TranslatedPinNum = 0; |
1426 | u32 GroupNum = 0; | |
7c4ca79f US |
1427 | u32 ElectricChar; |
1428 | u32 groupCfg; | |
1429 | void *buffer; | |
1430 | int rc; | |
1431 | ||
1432 | struct SetGpioMsg { | |
1433 | struct SmsMsgHdr_ST xMsgHeader; | |
1434 | u32 msgData[6]; | |
1435 | } *pMsg; | |
1436 | ||
1437 | ||
1438 | if (PinNum > MAX_GPIO_PIN_NUMBER) | |
1439 | return -EINVAL; | |
1440 | ||
1441 | if (pGpioConfig == NULL) | |
1442 | return -EINVAL; | |
1443 | ||
1444 | totalLen = sizeof(struct SmsMsgHdr_ST) + (sizeof(u32) * 6); | |
1445 | ||
1446 | buffer = kmalloc(totalLen + SMS_DMA_ALIGNMENT, | |
1447 | GFP_KERNEL | GFP_DMA); | |
1448 | if (!buffer) | |
1449 | return -ENOMEM; | |
1450 | ||
1451 | pMsg = (struct SetGpioMsg *) SMS_ALIGN_ADDRESS(buffer); | |
1452 | ||
1453 | pMsg->xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; | |
1454 | pMsg->xMsgHeader.msgDstId = HIF_TASK; | |
1455 | pMsg->xMsgHeader.msgFlags = 0; | |
1456 | pMsg->xMsgHeader.msgLength = (u16) totalLen; | |
1457 | pMsg->msgData[0] = PinNum; | |
1458 | ||
1459 | if (!(coredev->device_flags & SMS_DEVICE_FAMILY2)) { | |
1460 | pMsg->xMsgHeader.msgType = MSG_SMS_GPIO_CONFIG_REQ; | |
1461 | if (GetGpioPinParams(PinNum, &TranslatedPinNum, &GroupNum, | |
1462 | &groupCfg) != 0) | |
1463 | return -EINVAL; | |
1464 | ||
1465 | pMsg->msgData[1] = TranslatedPinNum; | |
1466 | pMsg->msgData[2] = GroupNum; | |
1467 | ElectricChar = (pGpioConfig->PullUpDown) | |
1468 | | (pGpioConfig->InputCharacteristics << 2) | |
1469 | | (pGpioConfig->OutputSlewRate << 3) | |
1470 | | (pGpioConfig->OutputDriving << 4); | |
1471 | pMsg->msgData[3] = ElectricChar; | |
1472 | pMsg->msgData[4] = pGpioConfig->Direction; | |
1473 | pMsg->msgData[5] = groupCfg; | |
1474 | } else { | |
1475 | pMsg->xMsgHeader.msgType = MSG_SMS_GPIO_CONFIG_EX_REQ; | |
1476 | pMsg->msgData[1] = pGpioConfig->PullUpDown; | |
1477 | pMsg->msgData[2] = pGpioConfig->OutputSlewRate; | |
1478 | pMsg->msgData[3] = pGpioConfig->OutputDriving; | |
1479 | pMsg->msgData[4] = pGpioConfig->Direction; | |
1480 | pMsg->msgData[5] = 0; | |
1481 | } | |
1482 | ||
1483 | smsendian_handle_tx_message((struct SmsMsgHdr_ST *)pMsg); | |
1484 | rc = smscore_sendrequest_and_wait(coredev, pMsg, totalLen, | |
1485 | &coredev->gpio_configuration_done); | |
1486 | ||
1487 | if (rc != 0) { | |
1488 | if (rc == -ETIME) | |
1489 | sms_err("smscore_gpio_configure timeout"); | |
1490 | else | |
1491 | sms_err("smscore_gpio_configure error"); | |
1492 | } | |
1493 | kfree(buffer); | |
1494 | ||
1495 | return rc; | |
1496 | } | |
1497 | ||
1498 | int smscore_gpio_set_level(struct smscore_device_t *coredev, u8 PinNum, | |
1499 | u8 NewLevel) { | |
1500 | ||
1501 | u32 totalLen; | |
1502 | int rc; | |
1503 | void *buffer; | |
1504 | ||
1505 | struct SetGpioMsg { | |
1506 | struct SmsMsgHdr_ST xMsgHeader; | |
1507 | u32 msgData[3]; /* keep it 3 ! */ | |
1508 | } *pMsg; | |
1509 | ||
1510 | if ((NewLevel > 1) || (PinNum > MAX_GPIO_PIN_NUMBER) || | |
1511 | (PinNum > MAX_GPIO_PIN_NUMBER)) | |
1512 | return -EINVAL; | |
1513 | ||
1514 | totalLen = sizeof(struct SmsMsgHdr_ST) + | |
1515 | (3 * sizeof(u32)); /* keep it 3 ! */ | |
1516 | ||
1517 | buffer = kmalloc(totalLen + SMS_DMA_ALIGNMENT, | |
1518 | GFP_KERNEL | GFP_DMA); | |
1519 | if (!buffer) | |
1520 | return -ENOMEM; | |
1521 | ||
1522 | pMsg = (struct SetGpioMsg *) SMS_ALIGN_ADDRESS(buffer); | |
1523 | ||
1524 | pMsg->xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; | |
1525 | pMsg->xMsgHeader.msgDstId = HIF_TASK; | |
1526 | pMsg->xMsgHeader.msgFlags = 0; | |
1527 | pMsg->xMsgHeader.msgType = MSG_SMS_GPIO_SET_LEVEL_REQ; | |
1528 | pMsg->xMsgHeader.msgLength = (u16) totalLen; | |
1529 | pMsg->msgData[0] = PinNum; | |
1530 | pMsg->msgData[1] = NewLevel; | |
1531 | ||
1532 | /* Send message to SMS */ | |
1533 | smsendian_handle_tx_message((struct SmsMsgHdr_ST *)pMsg); | |
1534 | rc = smscore_sendrequest_and_wait(coredev, pMsg, totalLen, | |
1535 | &coredev->gpio_set_level_done); | |
1536 | ||
1537 | if (rc != 0) { | |
1538 | if (rc == -ETIME) | |
1539 | sms_err("smscore_gpio_set_level timeout"); | |
1540 | else | |
1541 | sms_err("smscore_gpio_set_level error"); | |
1542 | } | |
1543 | kfree(buffer); | |
1544 | ||
1545 | return rc; | |
1546 | } | |
1547 | ||
1548 | int smscore_gpio_get_level(struct smscore_device_t *coredev, u8 PinNum, | |
1549 | u8 *level) { | |
1550 | ||
1551 | u32 totalLen; | |
1552 | int rc; | |
1553 | void *buffer; | |
1554 | ||
1555 | struct SetGpioMsg { | |
1556 | struct SmsMsgHdr_ST xMsgHeader; | |
1557 | u32 msgData[2]; | |
1558 | } *pMsg; | |
1559 | ||
1560 | ||
1561 | if (PinNum > MAX_GPIO_PIN_NUMBER) | |
1562 | return -EINVAL; | |
1563 | ||
1564 | totalLen = sizeof(struct SmsMsgHdr_ST) + (2 * sizeof(u32)); | |
1565 | ||
1566 | buffer = kmalloc(totalLen + SMS_DMA_ALIGNMENT, | |
1567 | GFP_KERNEL | GFP_DMA); | |
1568 | if (!buffer) | |
1569 | return -ENOMEM; | |
1570 | ||
1571 | pMsg = (struct SetGpioMsg *) SMS_ALIGN_ADDRESS(buffer); | |
1572 | ||
1573 | pMsg->xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; | |
1574 | pMsg->xMsgHeader.msgDstId = HIF_TASK; | |
1575 | pMsg->xMsgHeader.msgFlags = 0; | |
1576 | pMsg->xMsgHeader.msgType = MSG_SMS_GPIO_GET_LEVEL_REQ; | |
1577 | pMsg->xMsgHeader.msgLength = (u16) totalLen; | |
1578 | pMsg->msgData[0] = PinNum; | |
1579 | pMsg->msgData[1] = 0; | |
1580 | ||
1581 | /* Send message to SMS */ | |
1582 | smsendian_handle_tx_message((struct SmsMsgHdr_ST *)pMsg); | |
1583 | rc = smscore_sendrequest_and_wait(coredev, pMsg, totalLen, | |
1584 | &coredev->gpio_get_level_done); | |
1585 | ||
1586 | if (rc != 0) { | |
1587 | if (rc == -ETIME) | |
1588 | sms_err("smscore_gpio_get_level timeout"); | |
1589 | else | |
1590 | sms_err("smscore_gpio_get_level error"); | |
1591 | } | |
1592 | kfree(buffer); | |
1593 | ||
1594 | /* Its a race between other gpio_get_level() and the copy of the single | |
1595 | * global 'coredev->gpio_get_res' to the function's variable 'level' | |
1596 | */ | |
1597 | *level = coredev->gpio_get_res; | |
1598 | ||
1599 | return rc; | |
1600 | } | |
1601 | ||
c5e0bd1a | 1602 | static int __init smscore_module_init(void) |
2e5c1ec8 | 1603 | { |
c6465799 | 1604 | int rc = 0; |
2e5c1ec8 MK |
1605 | |
1606 | INIT_LIST_HEAD(&g_smscore_notifyees); | |
1607 | INIT_LIST_HEAD(&g_smscore_devices); | |
1608 | kmutex_init(&g_smscore_deviceslock); | |
1609 | ||
1610 | INIT_LIST_HEAD(&g_smscore_registry); | |
1611 | kmutex_init(&g_smscore_registrylock); | |
1612 | ||
2e5c1ec8 MK |
1613 | return rc; |
1614 | } | |
1615 | ||
c5e0bd1a | 1616 | static void __exit smscore_module_exit(void) |
2e5c1ec8 | 1617 | { |
2e5c1ec8 | 1618 | kmutex_lock(&g_smscore_deviceslock); |
82237416 | 1619 | while (!list_empty(&g_smscore_notifyees)) { |
18245e18 MK |
1620 | struct smscore_device_notifyee_t *notifyee = |
1621 | (struct smscore_device_notifyee_t *) | |
1622 | g_smscore_notifyees.next; | |
2e5c1ec8 MK |
1623 | |
1624 | list_del(¬ifyee->entry); | |
1625 | kfree(notifyee); | |
1626 | } | |
1627 | kmutex_unlock(&g_smscore_deviceslock); | |
1628 | ||
1629 | kmutex_lock(&g_smscore_registrylock); | |
82237416 | 1630 | while (!list_empty(&g_smscore_registry)) { |
18245e18 MK |
1631 | struct smscore_registry_entry_t *entry = |
1632 | (struct smscore_registry_entry_t *) | |
1633 | g_smscore_registry.next; | |
2e5c1ec8 MK |
1634 | |
1635 | list_del(&entry->entry); | |
1636 | kfree(entry); | |
1637 | } | |
1638 | kmutex_unlock(&g_smscore_registrylock); | |
1639 | ||
a0c0abcb | 1640 | sms_debug(""); |
2e5c1ec8 MK |
1641 | } |
1642 | ||
1643 | module_init(smscore_module_init); | |
1644 | module_exit(smscore_module_exit); | |
1645 | ||
e0f14c25 US |
1646 | MODULE_DESCRIPTION("Siano MDTV Core module"); |
1647 | MODULE_AUTHOR("Siano Mobile Silicon, Inc. (uris@siano-ms.com)"); | |
2e5c1ec8 | 1648 | MODULE_LICENSE("GPL"); |