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> |
5a0e3ad6 | 31 | #include <linux/slab.h> |
2e5c1ec8 | 32 | |
2e5c1ec8 | 33 | #include <linux/firmware.h> |
a9349315 | 34 | #include <linux/wait.h> |
01abc0b0 | 35 | #include <asm/byteorder.h> |
2e5c1ec8 MK |
36 | |
37 | #include "smscoreapi.h" | |
02aea4fb | 38 | #include "sms-cards.h" |
a804800a US |
39 | #include "smsir.h" |
40 | #include "smsendian.h" | |
2e5c1ec8 | 41 | |
0d02efe4 | 42 | static int sms_dbg; |
b9391f41 | 43 | module_param_named(debug, sms_dbg, int, 0644); |
f14d56a9 MK |
44 | MODULE_PARM_DESC(debug, "set debug level (info=1, adv=2 (or-able))"); |
45 | ||
18245e18 | 46 | struct smscore_device_notifyee_t { |
2e5c1ec8 MK |
47 | struct list_head entry; |
48 | hotplug_t hotplug; | |
18245e18 | 49 | }; |
2e5c1ec8 | 50 | |
18245e18 | 51 | struct smscore_idlist_t { |
f17407a8 MK |
52 | struct list_head entry; |
53 | int id; | |
54 | int data_type; | |
18245e18 | 55 | }; |
f17407a8 | 56 | |
18245e18 | 57 | struct smscore_client_t { |
2e5c1ec8 | 58 | struct list_head entry; |
18245e18 | 59 | struct smscore_device_t *coredev; |
2e5c1ec8 | 60 | void *context; |
f17407a8 | 61 | struct list_head idlist; |
2e5c1ec8 MK |
62 | onresponse_t onresponse_handler; |
63 | onremove_t onremove_handler; | |
18245e18 | 64 | }; |
2e5c1ec8 | 65 | |
1c11d546 MK |
66 | void smscore_set_board_id(struct smscore_device_t *core, int id) |
67 | { | |
68 | core->board_id = id; | |
69 | } | |
70 | ||
7b29e10d MK |
71 | int smscore_led_state(struct smscore_device_t *core, int led) |
72 | { | |
73 | if (led >= 0) | |
74 | core->led_state = led; | |
75 | return core->led_state; | |
76 | } | |
a0beec8f | 77 | EXPORT_SYMBOL_GPL(smscore_set_board_id); |
7b29e10d | 78 | |
1c11d546 MK |
79 | int smscore_get_board_id(struct smscore_device_t *core) |
80 | { | |
81 | return core->board_id; | |
82 | } | |
a0beec8f | 83 | EXPORT_SYMBOL_GPL(smscore_get_board_id); |
1c11d546 | 84 | |
18245e18 | 85 | struct smscore_registry_entry_t { |
2e5c1ec8 MK |
86 | struct list_head entry; |
87 | char devpath[32]; | |
88 | int mode; | |
18245e18 MK |
89 | enum sms_device_type_st type; |
90 | }; | |
2e5c1ec8 | 91 | |
c5e0bd1a AB |
92 | static struct list_head g_smscore_notifyees; |
93 | static struct list_head g_smscore_devices; | |
94 | static struct mutex g_smscore_deviceslock; | |
2e5c1ec8 | 95 | |
c5e0bd1a AB |
96 | static struct list_head g_smscore_registry; |
97 | static struct mutex g_smscore_registrylock; | |
2e5c1ec8 | 98 | |
dd5b2a5c | 99 | static int default_mode = 4; |
f17407a8 | 100 | |
2e5c1ec8 MK |
101 | module_param(default_mode, int, 0644); |
102 | MODULE_PARM_DESC(default_mode, "default firmware id (device mode)"); | |
103 | ||
18245e18 | 104 | static struct smscore_registry_entry_t *smscore_find_registry(char *devpath) |
2e5c1ec8 | 105 | { |
18245e18 | 106 | struct smscore_registry_entry_t *entry; |
2e5c1ec8 MK |
107 | struct list_head *next; |
108 | ||
109 | kmutex_lock(&g_smscore_registrylock); | |
82237416 MK |
110 | for (next = g_smscore_registry.next; |
111 | next != &g_smscore_registry; | |
112 | next = next->next) { | |
18245e18 | 113 | entry = (struct smscore_registry_entry_t *) next; |
82237416 | 114 | if (!strcmp(entry->devpath, devpath)) { |
2e5c1ec8 | 115 | kmutex_unlock(&g_smscore_registrylock); |
f17407a8 | 116 | return entry; |
2e5c1ec8 MK |
117 | } |
118 | } | |
806ec0fb | 119 | entry = kmalloc(sizeof(struct smscore_registry_entry_t), GFP_KERNEL); |
82237416 | 120 | if (entry) { |
2e5c1ec8 MK |
121 | entry->mode = default_mode; |
122 | strcpy(entry->devpath, devpath); | |
2e5c1ec8 | 123 | list_add(&entry->entry, &g_smscore_registry); |
82237416 | 124 | } else |
a0c0abcb | 125 | sms_err("failed to create smscore_registry."); |
2e5c1ec8 | 126 | kmutex_unlock(&g_smscore_registrylock); |
f17407a8 MK |
127 | return entry; |
128 | } | |
2e5c1ec8 | 129 | |
82237416 | 130 | int smscore_registry_getmode(char *devpath) |
f17407a8 | 131 | { |
18245e18 | 132 | struct smscore_registry_entry_t *entry; |
f17407a8 | 133 | |
82237416 MK |
134 | entry = smscore_find_registry(devpath); |
135 | if (entry) | |
f17407a8 | 136 | return entry->mode; |
f17407a8 | 137 | else |
a0c0abcb | 138 | sms_err("No registry found."); |
82237416 | 139 | |
2e5c1ec8 MK |
140 | return default_mode; |
141 | } | |
a0beec8f | 142 | EXPORT_SYMBOL_GPL(smscore_registry_getmode); |
2e5c1ec8 | 143 | |
0c071f37 | 144 | static enum sms_device_type_st smscore_registry_gettype(char *devpath) |
2e5c1ec8 | 145 | { |
18245e18 | 146 | struct smscore_registry_entry_t *entry; |
2e5c1ec8 | 147 | |
82237416 MK |
148 | entry = smscore_find_registry(devpath); |
149 | if (entry) | |
f17407a8 | 150 | return entry->type; |
f17407a8 | 151 | else |
a0c0abcb | 152 | sms_err("No registry found."); |
82237416 | 153 | |
f17407a8 MK |
154 | return -1; |
155 | } | |
2e5c1ec8 | 156 | |
82237416 MK |
157 | void smscore_registry_setmode(char *devpath, int mode) |
158 | { | |
18245e18 | 159 | struct smscore_registry_entry_t *entry; |
2e5c1ec8 | 160 | |
82237416 MK |
161 | entry = smscore_find_registry(devpath); |
162 | if (entry) | |
163 | entry->mode = mode; | |
f17407a8 | 164 | else |
a0c0abcb | 165 | sms_err("No registry found."); |
82237416 | 166 | } |
2e5c1ec8 | 167 | |
0c071f37 MK |
168 | static void smscore_registry_settype(char *devpath, |
169 | enum sms_device_type_st type) | |
f17407a8 | 170 | { |
18245e18 | 171 | struct smscore_registry_entry_t *entry; |
f17407a8 | 172 | |
82237416 MK |
173 | entry = smscore_find_registry(devpath); |
174 | if (entry) | |
f17407a8 | 175 | entry->type = type; |
f17407a8 | 176 | else |
a0c0abcb | 177 | sms_err("No registry found."); |
2e5c1ec8 MK |
178 | } |
179 | ||
180 | ||
0c071f37 MK |
181 | static void list_add_locked(struct list_head *new, struct list_head *head, |
182 | spinlock_t *lock) | |
2e5c1ec8 MK |
183 | { |
184 | unsigned long flags; | |
185 | ||
186 | spin_lock_irqsave(lock, flags); | |
187 | ||
188 | list_add(new, head); | |
189 | ||
190 | spin_unlock_irqrestore(lock, flags); | |
191 | } | |
192 | ||
193 | /** | |
194 | * register a client callback that called when device plugged in/unplugged | |
195 | * NOTE: if devices exist callback is called immediately for each device | |
196 | * | |
197 | * @param hotplug callback | |
198 | * | |
199 | * @return 0 on success, <0 on error. | |
200 | */ | |
201 | int smscore_register_hotplug(hotplug_t hotplug) | |
202 | { | |
18245e18 | 203 | struct smscore_device_notifyee_t *notifyee; |
2e5c1ec8 MK |
204 | struct list_head *next, *first; |
205 | int rc = 0; | |
206 | ||
207 | kmutex_lock(&g_smscore_deviceslock); | |
208 | ||
18245e18 MK |
209 | notifyee = kmalloc(sizeof(struct smscore_device_notifyee_t), |
210 | GFP_KERNEL); | |
82237416 MK |
211 | if (notifyee) { |
212 | /* now notify callback about existing devices */ | |
2e5c1ec8 | 213 | first = &g_smscore_devices; |
82237416 MK |
214 | for (next = first->next; |
215 | next != first && !rc; | |
216 | next = next->next) { | |
18245e18 MK |
217 | struct smscore_device_t *coredev = |
218 | (struct smscore_device_t *) next; | |
2e5c1ec8 MK |
219 | rc = hotplug(coredev, coredev->device, 1); |
220 | } | |
221 | ||
82237416 | 222 | if (rc >= 0) { |
2e5c1ec8 MK |
223 | notifyee->hotplug = hotplug; |
224 | list_add(¬ifyee->entry, &g_smscore_notifyees); | |
82237416 | 225 | } else |
2e5c1ec8 | 226 | kfree(notifyee); |
82237416 | 227 | } else |
2e5c1ec8 MK |
228 | rc = -ENOMEM; |
229 | ||
230 | kmutex_unlock(&g_smscore_deviceslock); | |
231 | ||
232 | return rc; | |
233 | } | |
a0beec8f | 234 | EXPORT_SYMBOL_GPL(smscore_register_hotplug); |
2e5c1ec8 MK |
235 | |
236 | /** | |
237 | * unregister a client callback that called when device plugged in/unplugged | |
238 | * | |
239 | * @param hotplug callback | |
240 | * | |
241 | */ | |
242 | void smscore_unregister_hotplug(hotplug_t hotplug) | |
243 | { | |
244 | struct list_head *next, *first; | |
245 | ||
246 | kmutex_lock(&g_smscore_deviceslock); | |
247 | ||
248 | first = &g_smscore_notifyees; | |
249 | ||
82237416 | 250 | for (next = first->next; next != first;) { |
18245e18 MK |
251 | struct smscore_device_notifyee_t *notifyee = |
252 | (struct smscore_device_notifyee_t *) next; | |
2e5c1ec8 MK |
253 | next = next->next; |
254 | ||
82237416 | 255 | if (notifyee->hotplug == hotplug) { |
2e5c1ec8 MK |
256 | list_del(¬ifyee->entry); |
257 | kfree(notifyee); | |
258 | } | |
259 | } | |
260 | ||
261 | kmutex_unlock(&g_smscore_deviceslock); | |
262 | } | |
a0beec8f | 263 | EXPORT_SYMBOL_GPL(smscore_unregister_hotplug); |
2e5c1ec8 | 264 | |
0c071f37 | 265 | static void smscore_notify_clients(struct smscore_device_t *coredev) |
2e5c1ec8 | 266 | { |
18245e18 | 267 | struct smscore_client_t *client; |
2e5c1ec8 | 268 | |
82237416 MK |
269 | /* the client must call smscore_unregister_client from remove handler */ |
270 | while (!list_empty(&coredev->clients)) { | |
18245e18 | 271 | client = (struct smscore_client_t *) coredev->clients.next; |
2e5c1ec8 MK |
272 | client->onremove_handler(client->context); |
273 | } | |
274 | } | |
275 | ||
0c071f37 MK |
276 | static int smscore_notify_callbacks(struct smscore_device_t *coredev, |
277 | struct device *device, int arrival) | |
2e5c1ec8 MK |
278 | { |
279 | struct list_head *next, *first; | |
280 | int rc = 0; | |
281 | ||
82237416 | 282 | /* note: must be called under g_deviceslock */ |
2e5c1ec8 MK |
283 | |
284 | first = &g_smscore_notifyees; | |
285 | ||
82237416 | 286 | for (next = first->next; next != first; next = next->next) { |
18245e18 | 287 | rc = ((struct smscore_device_notifyee_t *) next)-> |
59bf6b8e | 288 | hotplug(coredev, device, arrival); |
2e5c1ec8 MK |
289 | if (rc < 0) |
290 | break; | |
291 | } | |
292 | ||
293 | return rc; | |
294 | } | |
295 | ||
0c071f37 MK |
296 | static struct |
297 | smscore_buffer_t *smscore_createbuffer(u8 *buffer, void *common_buffer, | |
a83ccdd6 | 298 | dma_addr_t common_buffer_phys) |
2e5c1ec8 | 299 | { |
18245e18 MK |
300 | struct smscore_buffer_t *cb = |
301 | kmalloc(sizeof(struct smscore_buffer_t), GFP_KERNEL); | |
82237416 | 302 | if (!cb) { |
a0c0abcb | 303 | sms_info("kmalloc(...) failed"); |
2e5c1ec8 MK |
304 | return NULL; |
305 | } | |
306 | ||
307 | cb->p = buffer; | |
494d24c5 | 308 | cb->offset_in_common = buffer - (u8 *) common_buffer; |
2e5c1ec8 MK |
309 | cb->phys = common_buffer_phys + cb->offset_in_common; |
310 | ||
311 | return cb; | |
312 | } | |
313 | ||
314 | /** | |
82237416 MK |
315 | * creates coredev object for a device, prepares buffers, |
316 | * creates buffer mappings, notifies registered hotplugs about new device. | |
2e5c1ec8 | 317 | * |
59bf6b8e MK |
318 | * @param params device pointer to struct with device specific parameters |
319 | * and handlers | |
2e5c1ec8 MK |
320 | * @param coredev pointer to a value that receives created coredev object |
321 | * | |
322 | * @return 0 on success, <0 on error. | |
323 | */ | |
18245e18 MK |
324 | int smscore_register_device(struct smsdevice_params_t *params, |
325 | struct smscore_device_t **coredev) | |
2e5c1ec8 | 326 | { |
18245e18 | 327 | struct smscore_device_t *dev; |
2e5c1ec8 MK |
328 | u8 *buffer; |
329 | ||
18245e18 | 330 | dev = kzalloc(sizeof(struct smscore_device_t), GFP_KERNEL); |
82237416 | 331 | if (!dev) { |
a0c0abcb | 332 | sms_info("kzalloc(...) failed"); |
2e5c1ec8 MK |
333 | return -ENOMEM; |
334 | } | |
335 | ||
82237416 | 336 | /* init list entry so it could be safe in smscore_unregister_device */ |
2e5c1ec8 MK |
337 | INIT_LIST_HEAD(&dev->entry); |
338 | ||
82237416 | 339 | /* init queues */ |
2e5c1ec8 | 340 | INIT_LIST_HEAD(&dev->clients); |
2e5c1ec8 MK |
341 | INIT_LIST_HEAD(&dev->buffers); |
342 | ||
82237416 | 343 | /* init locks */ |
2e5c1ec8 MK |
344 | spin_lock_init(&dev->clientslock); |
345 | spin_lock_init(&dev->bufferslock); | |
346 | ||
82237416 | 347 | /* init completion events */ |
2e5c1ec8 MK |
348 | init_completion(&dev->version_ex_done); |
349 | init_completion(&dev->data_download_done); | |
350 | init_completion(&dev->trigger_done); | |
351 | init_completion(&dev->init_device_done); | |
352 | init_completion(&dev->reload_start_done); | |
353 | init_completion(&dev->resume_done); | |
34601caa US |
354 | init_completion(&dev->gpio_configuration_done); |
355 | init_completion(&dev->gpio_set_level_done); | |
356 | init_completion(&dev->gpio_get_level_done); | |
a804800a | 357 | init_completion(&dev->ir_init_done); |
2e5c1ec8 | 358 | |
a9349315 US |
359 | /* Buffer management */ |
360 | init_waitqueue_head(&dev->buffer_mng_waitq); | |
361 | ||
82237416 | 362 | /* alloc common buffer */ |
2e5c1ec8 | 363 | dev->common_buffer_size = params->buffer_size * params->num_buffers; |
82237416 MK |
364 | dev->common_buffer = dma_alloc_coherent(NULL, dev->common_buffer_size, |
365 | &dev->common_buffer_phys, | |
366 | GFP_KERNEL | GFP_DMA); | |
367 | if (!dev->common_buffer) { | |
2e5c1ec8 MK |
368 | smscore_unregister_device(dev); |
369 | return -ENOMEM; | |
370 | } | |
371 | ||
82237416 MK |
372 | /* prepare dma buffers */ |
373 | for (buffer = dev->common_buffer; | |
374 | dev->num_buffers < params->num_buffers; | |
fa830e8a | 375 | dev->num_buffers++, buffer += params->buffer_size) { |
18245e18 | 376 | struct smscore_buffer_t *cb = |
59bf6b8e MK |
377 | smscore_createbuffer(buffer, dev->common_buffer, |
378 | dev->common_buffer_phys); | |
82237416 | 379 | if (!cb) { |
2e5c1ec8 MK |
380 | smscore_unregister_device(dev); |
381 | return -ENOMEM; | |
382 | } | |
383 | ||
384 | smscore_putbuffer(dev, cb); | |
385 | } | |
386 | ||
a0c0abcb | 387 | sms_info("allocated %d buffers", dev->num_buffers); |
2e5c1ec8 MK |
388 | |
389 | dev->mode = DEVICE_MODE_NONE; | |
390 | dev->context = params->context; | |
391 | dev->device = params->device; | |
392 | dev->setmode_handler = params->setmode_handler; | |
393 | dev->detectmode_handler = params->detectmode_handler; | |
394 | dev->sendrequest_handler = params->sendrequest_handler; | |
395 | dev->preload_handler = params->preload_handler; | |
396 | dev->postload_handler = params->postload_handler; | |
397 | ||
398 | dev->device_flags = params->flags; | |
399 | strcpy(dev->devpath, params->devpath); | |
400 | ||
82237416 | 401 | smscore_registry_settype(dev->devpath, params->device_type); |
f17407a8 | 402 | |
82237416 | 403 | /* add device to devices list */ |
2e5c1ec8 MK |
404 | kmutex_lock(&g_smscore_deviceslock); |
405 | list_add(&dev->entry, &g_smscore_devices); | |
406 | kmutex_unlock(&g_smscore_deviceslock); | |
407 | ||
408 | *coredev = dev; | |
409 | ||
a0c0abcb | 410 | sms_info("device %p created", dev); |
2e5c1ec8 MK |
411 | |
412 | return 0; | |
413 | } | |
a0beec8f | 414 | EXPORT_SYMBOL_GPL(smscore_register_device); |
2e5c1ec8 | 415 | |
a804800a US |
416 | |
417 | static int smscore_sendrequest_and_wait(struct smscore_device_t *coredev, | |
418 | void *buffer, size_t size, struct completion *completion) { | |
419 | int rc = coredev->sendrequest_handler(coredev->context, buffer, size); | |
420 | if (rc < 0) { | |
421 | sms_info("sendrequest returned error %d", rc); | |
422 | return rc; | |
423 | } | |
424 | ||
425 | return wait_for_completion_timeout(completion, | |
426 | msecs_to_jiffies(SMS_PROTOCOL_MAX_RAOUNDTRIP_MS)) ? | |
427 | 0 : -ETIME; | |
428 | } | |
429 | ||
430 | /** | |
431 | * Starts & enables IR operations | |
432 | * | |
433 | * @return 0 on success, < 0 on error. | |
434 | */ | |
435 | static int smscore_init_ir(struct smscore_device_t *coredev) | |
436 | { | |
437 | int ir_io; | |
438 | int rc; | |
439 | void *buffer; | |
440 | ||
441 | coredev->ir.input_dev = NULL; | |
442 | ir_io = sms_get_board(smscore_get_board_id(coredev))->board_cfg.ir; | |
443 | if (ir_io) {/* only if IR port exist we use IR sub-module */ | |
444 | sms_info("IR loading"); | |
445 | rc = sms_ir_init(coredev); | |
446 | ||
447 | if (rc != 0) | |
448 | sms_err("Error initialization DTV IR sub-module"); | |
449 | else { | |
450 | buffer = kmalloc(sizeof(struct SmsMsgData_ST2) + | |
451 | SMS_DMA_ALIGNMENT, | |
452 | GFP_KERNEL | GFP_DMA); | |
453 | if (buffer) { | |
454 | struct SmsMsgData_ST2 *msg = | |
455 | (struct SmsMsgData_ST2 *) | |
456 | SMS_ALIGN_ADDRESS(buffer); | |
457 | ||
458 | SMS_INIT_MSG(&msg->xMsgHeader, | |
459 | MSG_SMS_START_IR_REQ, | |
460 | sizeof(struct SmsMsgData_ST2)); | |
461 | msg->msgData[0] = coredev->ir.controller; | |
462 | msg->msgData[1] = coredev->ir.timeout; | |
463 | ||
464 | smsendian_handle_tx_message( | |
465 | (struct SmsMsgHdr_ST2 *)msg); | |
466 | rc = smscore_sendrequest_and_wait(coredev, msg, | |
467 | msg->xMsgHeader. msgLength, | |
468 | &coredev->ir_init_done); | |
469 | ||
470 | kfree(buffer); | |
471 | } else | |
472 | sms_err | |
473 | ("Sending IR initialization message failed"); | |
474 | } | |
475 | } else | |
476 | sms_info("IR port has not been detected"); | |
477 | ||
478 | return 0; | |
479 | } | |
480 | ||
2e5c1ec8 MK |
481 | /** |
482 | * sets initial device mode and notifies client hotplugs that device is ready | |
483 | * | |
59bf6b8e MK |
484 | * @param coredev pointer to a coredev object returned by |
485 | * smscore_register_device | |
2e5c1ec8 MK |
486 | * |
487 | * @return 0 on success, <0 on error. | |
488 | */ | |
18245e18 | 489 | int smscore_start_device(struct smscore_device_t *coredev) |
2e5c1ec8 | 490 | { |
59bf6b8e MK |
491 | int rc = smscore_set_device_mode( |
492 | coredev, smscore_registry_getmode(coredev->devpath)); | |
82237416 | 493 | if (rc < 0) { |
a0c0abcb | 494 | sms_info("set device mode faile , rc %d", rc); |
2e5c1ec8 | 495 | return rc; |
f17407a8 | 496 | } |
2e5c1ec8 MK |
497 | |
498 | kmutex_lock(&g_smscore_deviceslock); | |
499 | ||
500 | rc = smscore_notify_callbacks(coredev, coredev->device, 1); | |
a804800a | 501 | smscore_init_ir(coredev); |
2e5c1ec8 | 502 | |
a0c0abcb | 503 | sms_info("device %p started, rc %d", coredev, rc); |
2e5c1ec8 MK |
504 | |
505 | kmutex_unlock(&g_smscore_deviceslock); | |
506 | ||
507 | return rc; | |
508 | } | |
a0beec8f | 509 | EXPORT_SYMBOL_GPL(smscore_start_device); |
2e5c1ec8 | 510 | |
2e5c1ec8 | 511 | |
0c071f37 MK |
512 | static int smscore_load_firmware_family2(struct smscore_device_t *coredev, |
513 | void *buffer, size_t size) | |
2e5c1ec8 | 514 | { |
18245e18 MK |
515 | struct SmsFirmware_ST *firmware = (struct SmsFirmware_ST *) buffer; |
516 | struct SmsMsgHdr_ST *msg; | |
01abc0b0 | 517 | u32 mem_address; |
a83ccdd6 | 518 | u8 *payload = firmware->Payload; |
2e5c1ec8 | 519 | int rc = 0; |
01abc0b0 US |
520 | firmware->StartAddress = le32_to_cpu(firmware->StartAddress); |
521 | firmware->Length = le32_to_cpu(firmware->Length); | |
522 | ||
523 | mem_address = firmware->StartAddress; | |
2e5c1ec8 | 524 | |
a0c0abcb MK |
525 | sms_info("loading FW to addr 0x%x size %d", |
526 | mem_address, firmware->Length); | |
82237416 | 527 | if (coredev->preload_handler) { |
2e5c1ec8 MK |
528 | rc = coredev->preload_handler(coredev->context); |
529 | if (rc < 0) | |
530 | return rc; | |
531 | } | |
532 | ||
82237416 | 533 | /* PAGE_SIZE buffer shall be enough and dma aligned */ |
e080842c | 534 | msg = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA); |
2e5c1ec8 MK |
535 | if (!msg) |
536 | return -ENOMEM; | |
537 | ||
82237416 | 538 | if (coredev->mode != DEVICE_MODE_NONE) { |
2522dc13 | 539 | sms_debug("sending reload command."); |
82237416 | 540 | SMS_INIT_MSG(msg, MSG_SW_RELOAD_START_REQ, |
18245e18 | 541 | sizeof(struct SmsMsgHdr_ST)); |
82237416 MK |
542 | rc = smscore_sendrequest_and_wait(coredev, msg, |
543 | msg->msgLength, | |
544 | &coredev->reload_start_done); | |
f0333e3d | 545 | mem_address = *(u32 *) &payload[20]; |
2e5c1ec8 MK |
546 | } |
547 | ||
fa830e8a | 548 | while (size && rc >= 0) { |
18245e18 MK |
549 | struct SmsDataDownload_ST *DataMsg = |
550 | (struct SmsDataDownload_ST *) msg; | |
2e5c1ec8 MK |
551 | int payload_size = min((int) size, SMS_MAX_PAYLOAD_SIZE); |
552 | ||
82237416 | 553 | SMS_INIT_MSG(msg, MSG_SMS_DATA_DOWNLOAD_REQ, |
18245e18 | 554 | (u16)(sizeof(struct SmsMsgHdr_ST) + |
f0333e3d | 555 | sizeof(u32) + payload_size)); |
2e5c1ec8 MK |
556 | |
557 | DataMsg->MemAddr = mem_address; | |
558 | memcpy(DataMsg->Payload, payload, payload_size); | |
559 | ||
82237416 MK |
560 | if ((coredev->device_flags & SMS_ROM_NO_RESPONSE) && |
561 | (coredev->mode == DEVICE_MODE_NONE)) | |
59bf6b8e MK |
562 | rc = coredev->sendrequest_handler( |
563 | coredev->context, DataMsg, | |
564 | DataMsg->xMsgHeader.msgLength); | |
2e5c1ec8 | 565 | else |
59bf6b8e MK |
566 | rc = smscore_sendrequest_and_wait( |
567 | coredev, DataMsg, | |
568 | DataMsg->xMsgHeader.msgLength, | |
569 | &coredev->data_download_done); | |
2e5c1ec8 MK |
570 | |
571 | payload += payload_size; | |
572 | size -= payload_size; | |
573 | mem_address += payload_size; | |
574 | } | |
575 | ||
82237416 MK |
576 | if (rc >= 0) { |
577 | if (coredev->mode == DEVICE_MODE_NONE) { | |
18245e18 MK |
578 | struct SmsMsgData_ST *TriggerMsg = |
579 | (struct SmsMsgData_ST *) msg; | |
2e5c1ec8 | 580 | |
82237416 | 581 | SMS_INIT_MSG(msg, MSG_SMS_SWDOWNLOAD_TRIGGER_REQ, |
18245e18 | 582 | sizeof(struct SmsMsgHdr_ST) + |
f0333e3d | 583 | sizeof(u32) * 5); |
2e5c1ec8 | 584 | |
59bf6b8e MK |
585 | TriggerMsg->msgData[0] = firmware->StartAddress; |
586 | /* Entry point */ | |
fa830e8a MK |
587 | TriggerMsg->msgData[1] = 5; /* Priority */ |
588 | TriggerMsg->msgData[2] = 0x200; /* Stack size */ | |
589 | TriggerMsg->msgData[3] = 0; /* Parameter */ | |
590 | TriggerMsg->msgData[4] = 4; /* Task ID */ | |
2e5c1ec8 | 591 | |
82237416 | 592 | if (coredev->device_flags & SMS_ROM_NO_RESPONSE) { |
59bf6b8e MK |
593 | rc = coredev->sendrequest_handler( |
594 | coredev->context, TriggerMsg, | |
595 | TriggerMsg->xMsgHeader.msgLength); | |
2e5c1ec8 | 596 | msleep(100); |
82237416 | 597 | } else |
59bf6b8e MK |
598 | rc = smscore_sendrequest_and_wait( |
599 | coredev, TriggerMsg, | |
600 | TriggerMsg->xMsgHeader.msgLength, | |
601 | &coredev->trigger_done); | |
82237416 MK |
602 | } else { |
603 | SMS_INIT_MSG(msg, MSG_SW_RELOAD_EXEC_REQ, | |
18245e18 | 604 | sizeof(struct SmsMsgHdr_ST)); |
2e5c1ec8 | 605 | |
82237416 MK |
606 | rc = coredev->sendrequest_handler(coredev->context, |
607 | msg, msg->msgLength); | |
2e5c1ec8 | 608 | } |
82237416 | 609 | msleep(500); |
2e5c1ec8 MK |
610 | } |
611 | ||
a0c0abcb | 612 | sms_debug("rc=%d, postload=%p ", rc, |
068d6c0f | 613 | coredev->postload_handler); |
2e5c1ec8 MK |
614 | |
615 | kfree(msg); | |
616 | ||
f17407a8 | 617 | return ((rc >= 0) && coredev->postload_handler) ? |
2e5c1ec8 MK |
618 | coredev->postload_handler(coredev->context) : |
619 | rc; | |
620 | } | |
621 | ||
622 | /** | |
623 | * loads specified firmware into a buffer and calls device loadfirmware_handler | |
624 | * | |
59bf6b8e MK |
625 | * @param coredev pointer to a coredev object returned by |
626 | * smscore_register_device | |
2e5c1ec8 MK |
627 | * @param filename null-terminated string specifies firmware file name |
628 | * @param loadfirmware_handler device handler that loads firmware | |
629 | * | |
630 | * @return 0 on success, <0 on error. | |
631 | */ | |
0c071f37 MK |
632 | static int smscore_load_firmware_from_file(struct smscore_device_t *coredev, |
633 | char *filename, | |
634 | loadfirmware_t loadfirmware_handler) | |
2e5c1ec8 MK |
635 | { |
636 | int rc = -ENOENT; | |
2e5c1ec8 | 637 | const struct firmware *fw; |
a83ccdd6 | 638 | u8 *fw_buffer; |
2e5c1ec8 | 639 | |
82237416 MK |
640 | if (loadfirmware_handler == NULL && !(coredev->device_flags & |
641 | SMS_DEVICE_FAMILY2)) | |
2e5c1ec8 MK |
642 | return -EINVAL; |
643 | ||
644 | rc = request_firmware(&fw, filename, coredev->device); | |
82237416 | 645 | if (rc < 0) { |
a0c0abcb | 646 | sms_info("failed to open \"%s\"", filename); |
2e5c1ec8 MK |
647 | return rc; |
648 | } | |
0f2a1ee1 | 649 | sms_info("read FW %s, size=%zd", filename, fw->size); |
82237416 MK |
650 | fw_buffer = kmalloc(ALIGN(fw->size, SMS_ALLOC_ALIGNMENT), |
651 | GFP_KERNEL | GFP_DMA); | |
652 | if (fw_buffer) { | |
2e5c1ec8 MK |
653 | memcpy(fw_buffer, fw->data, fw->size); |
654 | ||
655 | rc = (coredev->device_flags & SMS_DEVICE_FAMILY2) ? | |
59bf6b8e MK |
656 | smscore_load_firmware_family2(coredev, |
657 | fw_buffer, | |
658 | fw->size) : | |
659 | loadfirmware_handler(coredev->context, | |
660 | fw_buffer, fw->size); | |
2e5c1ec8 MK |
661 | |
662 | kfree(fw_buffer); | |
82237416 | 663 | } else { |
a0c0abcb | 664 | sms_info("failed to allocate firmware buffer"); |
2e5c1ec8 MK |
665 | rc = -ENOMEM; |
666 | } | |
667 | ||
668 | release_firmware(fw); | |
669 | ||
670 | return rc; | |
671 | } | |
672 | ||
673 | /** | |
59bf6b8e MK |
674 | * notifies all clients registered with the device, notifies hotplugs, |
675 | * frees all buffers and coredev object | |
2e5c1ec8 | 676 | * |
59bf6b8e MK |
677 | * @param coredev pointer to a coredev object returned by |
678 | * smscore_register_device | |
2e5c1ec8 MK |
679 | * |
680 | * @return 0 on success, <0 on error. | |
681 | */ | |
18245e18 | 682 | void smscore_unregister_device(struct smscore_device_t *coredev) |
2e5c1ec8 | 683 | { |
18245e18 | 684 | struct smscore_buffer_t *cb; |
2e5c1ec8 | 685 | int num_buffers = 0; |
f17407a8 | 686 | int retry = 0; |
2e5c1ec8 MK |
687 | |
688 | kmutex_lock(&g_smscore_deviceslock); | |
689 | ||
a804800a US |
690 | /* Release input device (IR) resources */ |
691 | sms_ir_exit(coredev); | |
692 | ||
2e5c1ec8 MK |
693 | smscore_notify_clients(coredev); |
694 | smscore_notify_callbacks(coredev, NULL, 0); | |
695 | ||
82237416 MK |
696 | /* at this point all buffers should be back |
697 | * onresponse must no longer be called */ | |
2e5c1ec8 | 698 | |
82237416 | 699 | while (1) { |
a9349315 US |
700 | while (!list_empty(&coredev->buffers)) { |
701 | cb = (struct smscore_buffer_t *) coredev->buffers.next; | |
702 | list_del(&cb->entry); | |
2e5c1ec8 | 703 | kfree(cb); |
fa830e8a | 704 | num_buffers++; |
2e5c1ec8 | 705 | } |
2e5c1ec8 MK |
706 | if (num_buffers == coredev->num_buffers) |
707 | break; | |
82237416 | 708 | if (++retry > 10) { |
a0c0abcb MK |
709 | sms_info("exiting although " |
710 | "not all buffers released."); | |
f17407a8 MK |
711 | break; |
712 | } | |
2e5c1ec8 | 713 | |
a0c0abcb | 714 | sms_info("waiting for %d buffer(s)", |
068d6c0f | 715 | coredev->num_buffers - num_buffers); |
2e5c1ec8 MK |
716 | msleep(100); |
717 | } | |
718 | ||
a0c0abcb | 719 | sms_info("freed %d buffers", num_buffers); |
2e5c1ec8 MK |
720 | |
721 | if (coredev->common_buffer) | |
82237416 | 722 | dma_free_coherent(NULL, coredev->common_buffer_size, |
a9349315 US |
723 | coredev->common_buffer, coredev->common_buffer_phys); |
724 | ||
725 | if (coredev->fw_buf != NULL) | |
726 | kfree(coredev->fw_buf); | |
2e5c1ec8 MK |
727 | |
728 | list_del(&coredev->entry); | |
729 | kfree(coredev); | |
730 | ||
731 | kmutex_unlock(&g_smscore_deviceslock); | |
732 | ||
a0c0abcb | 733 | sms_info("device %p destroyed", coredev); |
2e5c1ec8 | 734 | } |
a0beec8f | 735 | EXPORT_SYMBOL_GPL(smscore_unregister_device); |
2e5c1ec8 | 736 | |
0c071f37 | 737 | static int smscore_detect_mode(struct smscore_device_t *coredev) |
2e5c1ec8 | 738 | { |
18245e18 | 739 | void *buffer = kmalloc(sizeof(struct SmsMsgHdr_ST) + SMS_DMA_ALIGNMENT, |
82237416 | 740 | GFP_KERNEL | GFP_DMA); |
18245e18 MK |
741 | struct SmsMsgHdr_ST *msg = |
742 | (struct SmsMsgHdr_ST *) SMS_ALIGN_ADDRESS(buffer); | |
2e5c1ec8 MK |
743 | int rc; |
744 | ||
745 | if (!buffer) | |
746 | return -ENOMEM; | |
747 | ||
18245e18 MK |
748 | SMS_INIT_MSG(msg, MSG_SMS_GET_VERSION_EX_REQ, |
749 | sizeof(struct SmsMsgHdr_ST)); | |
2e5c1ec8 | 750 | |
82237416 MK |
751 | rc = smscore_sendrequest_and_wait(coredev, msg, msg->msgLength, |
752 | &coredev->version_ex_done); | |
753 | if (rc == -ETIME) { | |
a0c0abcb | 754 | sms_err("MSG_SMS_GET_VERSION_EX_REQ failed first try"); |
2e5c1ec8 | 755 | |
82237416 MK |
756 | if (wait_for_completion_timeout(&coredev->resume_done, |
757 | msecs_to_jiffies(5000))) { | |
59bf6b8e MK |
758 | rc = smscore_sendrequest_and_wait( |
759 | coredev, msg, msg->msgLength, | |
760 | &coredev->version_ex_done); | |
2e5c1ec8 | 761 | if (rc < 0) |
a0c0abcb MK |
762 | sms_err("MSG_SMS_GET_VERSION_EX_REQ failed " |
763 | "second try, rc %d", rc); | |
82237416 | 764 | } else |
2e5c1ec8 MK |
765 | rc = -ETIME; |
766 | } | |
767 | ||
768 | kfree(buffer); | |
769 | ||
770 | return rc; | |
771 | } | |
772 | ||
0c071f37 | 773 | static char *smscore_fw_lkup[][SMS_NUM_OF_DEVICE_TYPES] = { |
fbd05c82 MK |
774 | /*Stellar NOVA A0 Nova B0 VEGA*/ |
775 | /*DVBT*/ | |
776 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, | |
777 | /*DVBH*/ | |
778 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, | |
779 | /*TDMB*/ | |
e0f14c25 | 780 | {"none", "tdmb_nova_12mhz.inp", "tdmb_nova_12mhz_b0.inp", "none"}, |
fbd05c82 MK |
781 | /*DABIP*/ |
782 | {"none", "none", "none", "none"}, | |
783 | /*BDA*/ | |
784 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, | |
785 | /*ISDBT*/ | |
8cc8ef26 | 786 | {"none", "isdbt_nova_12mhz.inp", "isdbt_nova_12mhz_b0.inp", "none"}, |
fbd05c82 MK |
787 | /*ISDBTBDA*/ |
788 | {"none", "isdbt_nova_12mhz.inp", "isdbt_nova_12mhz_b0.inp", "none"}, | |
789 | /*CMMB*/ | |
790 | {"none", "none", "none", "cmmb_vega_12mhz.inp"} | |
2e5c1ec8 MK |
791 | }; |
792 | ||
02aea4fb MK |
793 | static inline char *sms_get_fw_name(struct smscore_device_t *coredev, |
794 | int mode, enum sms_device_type_st type) | |
795 | { | |
796 | char **fw = sms_get_board(smscore_get_board_id(coredev))->fw; | |
797 | return (fw && fw[mode]) ? fw[mode] : smscore_fw_lkup[mode][type]; | |
798 | } | |
f17407a8 | 799 | |
2e5c1ec8 MK |
800 | /** |
801 | * calls device handler to change mode of operation | |
802 | * NOTE: stellar/usb may disconnect when changing mode | |
803 | * | |
59bf6b8e MK |
804 | * @param coredev pointer to a coredev object returned by |
805 | * smscore_register_device | |
2e5c1ec8 MK |
806 | * @param mode requested mode of operation |
807 | * | |
808 | * @return 0 on success, <0 on error. | |
809 | */ | |
18245e18 | 810 | int smscore_set_device_mode(struct smscore_device_t *coredev, int mode) |
2e5c1ec8 MK |
811 | { |
812 | void *buffer; | |
813 | int rc = 0; | |
18245e18 | 814 | enum sms_device_type_st type; |
2e5c1ec8 | 815 | |
2522dc13 | 816 | sms_debug("set device mode to %d", mode); |
82237416 | 817 | if (coredev->device_flags & SMS_DEVICE_FAMILY2) { |
08b39642 | 818 | if (mode < DEVICE_MODE_DVBT || mode >= DEVICE_MODE_RAW_TUNER) { |
eb250942 | 819 | sms_err("invalid mode specified %d", mode); |
2e5c1ec8 MK |
820 | return -EINVAL; |
821 | } | |
822 | ||
f17407a8 MK |
823 | smscore_registry_setmode(coredev->devpath, mode); |
824 | ||
82237416 | 825 | if (!(coredev->device_flags & SMS_DEVICE_NOT_READY)) { |
2e5c1ec8 | 826 | rc = smscore_detect_mode(coredev); |
82237416 | 827 | if (rc < 0) { |
eb250942 | 828 | sms_err("mode detect failed %d", rc); |
2e5c1ec8 | 829 | return rc; |
82237416 | 830 | } |
f17407a8 | 831 | } |
2e5c1ec8 | 832 | |
82237416 | 833 | if (coredev->mode == mode) { |
a0c0abcb | 834 | sms_info("device mode %d already set", mode); |
2e5c1ec8 MK |
835 | return 0; |
836 | } | |
837 | ||
82237416 | 838 | if (!(coredev->modes_supported & (1 << mode))) { |
02aea4fb MK |
839 | char *fw_filename; |
840 | ||
82237416 | 841 | type = smscore_registry_gettype(coredev->devpath); |
02aea4fb MK |
842 | fw_filename = sms_get_fw_name(coredev, mode, type); |
843 | ||
844 | rc = smscore_load_firmware_from_file(coredev, | |
845 | fw_filename, NULL); | |
82237416 | 846 | if (rc < 0) { |
5068b7a4 MK |
847 | sms_warn("error %d loading firmware: %s, " |
848 | "trying again with default firmware", | |
849 | rc, fw_filename); | |
02aea4fb MK |
850 | |
851 | /* try again with the default firmware */ | |
5068b7a4 | 852 | fw_filename = smscore_fw_lkup[mode][type]; |
02aea4fb | 853 | rc = smscore_load_firmware_from_file(coredev, |
5068b7a4 | 854 | fw_filename, NULL); |
02aea4fb MK |
855 | |
856 | if (rc < 0) { | |
5068b7a4 MK |
857 | sms_warn("error %d loading " |
858 | "firmware: %s", rc, | |
859 | fw_filename); | |
02aea4fb MK |
860 | return rc; |
861 | } | |
82237416 | 862 | } |
5068b7a4 | 863 | sms_log("firmware download success: %s", fw_filename); |
82237416 | 864 | } else |
a0c0abcb MK |
865 | sms_info("mode %d supported by running " |
866 | "firmware", mode); | |
2e5c1ec8 | 867 | |
18245e18 MK |
868 | buffer = kmalloc(sizeof(struct SmsMsgData_ST) + |
869 | SMS_DMA_ALIGNMENT, GFP_KERNEL | GFP_DMA); | |
82237416 | 870 | if (buffer) { |
18245e18 MK |
871 | struct SmsMsgData_ST *msg = |
872 | (struct SmsMsgData_ST *) | |
873 | SMS_ALIGN_ADDRESS(buffer); | |
2e5c1ec8 | 874 | |
59bf6b8e | 875 | SMS_INIT_MSG(&msg->xMsgHeader, MSG_SMS_INIT_DEVICE_REQ, |
18245e18 | 876 | sizeof(struct SmsMsgData_ST)); |
2e5c1ec8 MK |
877 | msg->msgData[0] = mode; |
878 | ||
59bf6b8e MK |
879 | rc = smscore_sendrequest_and_wait( |
880 | coredev, msg, msg->xMsgHeader.msgLength, | |
881 | &coredev->init_device_done); | |
2e5c1ec8 MK |
882 | |
883 | kfree(buffer); | |
82237416 | 884 | } else { |
eb250942 MK |
885 | sms_err("Could not allocate buffer for " |
886 | "init device message."); | |
2e5c1ec8 | 887 | rc = -ENOMEM; |
82237416 MK |
888 | } |
889 | } else { | |
890 | if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) { | |
eb250942 | 891 | sms_err("invalid mode specified %d", mode); |
f17407a8 MK |
892 | return -EINVAL; |
893 | } | |
894 | ||
895 | smscore_registry_setmode(coredev->devpath, mode); | |
896 | ||
2e5c1ec8 | 897 | if (coredev->detectmode_handler) |
82237416 MK |
898 | coredev->detectmode_handler(coredev->context, |
899 | &coredev->mode); | |
2e5c1ec8 MK |
900 | |
901 | if (coredev->mode != mode && coredev->setmode_handler) | |
902 | rc = coredev->setmode_handler(coredev->context, mode); | |
903 | } | |
904 | ||
82237416 | 905 | if (rc >= 0) { |
2e5c1ec8 MK |
906 | coredev->mode = mode; |
907 | coredev->device_flags &= ~SMS_DEVICE_NOT_READY; | |
908 | } | |
909 | ||
5d2387e3 | 910 | if (rc < 0) |
eb250942 | 911 | sms_err("return error code %d.", rc); |
2e5c1ec8 MK |
912 | return rc; |
913 | } | |
914 | ||
915 | /** | |
916 | * calls device handler to get current mode of operation | |
917 | * | |
59bf6b8e MK |
918 | * @param coredev pointer to a coredev object returned by |
919 | * smscore_register_device | |
2e5c1ec8 MK |
920 | * |
921 | * @return current mode | |
922 | */ | |
18245e18 | 923 | int smscore_get_device_mode(struct smscore_device_t *coredev) |
2e5c1ec8 MK |
924 | { |
925 | return coredev->mode; | |
926 | } | |
a0beec8f | 927 | EXPORT_SYMBOL_GPL(smscore_get_device_mode); |
2e5c1ec8 | 928 | |
f17407a8 MK |
929 | /** |
930 | * find client by response id & type within the clients list. | |
931 | * return client handle or NULL. | |
932 | * | |
59bf6b8e MK |
933 | * @param coredev pointer to a coredev object returned by |
934 | * smscore_register_device | |
f17407a8 | 935 | * @param data_type client data type (SMS_DONT_CARE for all types) |
82237416 | 936 | * @param id client id (SMS_DONT_CARE for all id) |
f17407a8 MK |
937 | * |
938 | */ | |
0c071f37 MK |
939 | static struct |
940 | smscore_client_t *smscore_find_client(struct smscore_device_t *coredev, | |
59bf6b8e | 941 | int data_type, int id) |
2e5c1ec8 | 942 | { |
18245e18 | 943 | struct smscore_client_t *client = NULL; |
2e5c1ec8 MK |
944 | struct list_head *next, *first; |
945 | unsigned long flags; | |
f17407a8 | 946 | struct list_head *firstid, *nextid; |
2e5c1ec8 | 947 | |
2e5c1ec8 MK |
948 | |
949 | spin_lock_irqsave(&coredev->clientslock, flags); | |
2e5c1ec8 | 950 | first = &coredev->clients; |
82237416 MK |
951 | for (next = first->next; |
952 | (next != first) && !client; | |
953 | next = next->next) { | |
18245e18 | 954 | firstid = &((struct smscore_client_t *)next)->idlist; |
82237416 MK |
955 | for (nextid = firstid->next; |
956 | nextid != firstid; | |
957 | nextid = nextid->next) { | |
18245e18 MK |
958 | if ((((struct smscore_idlist_t *)nextid)->id == id) && |
959 | (((struct smscore_idlist_t *)nextid)->data_type == data_type || | |
960 | (((struct smscore_idlist_t *)nextid)->data_type == 0))) { | |
961 | client = (struct smscore_client_t *) next; | |
82237416 MK |
962 | break; |
963 | } | |
2e5c1ec8 MK |
964 | } |
965 | } | |
2e5c1ec8 | 966 | spin_unlock_irqrestore(&coredev->clientslock, flags); |
2e5c1ec8 MK |
967 | return client; |
968 | } | |
969 | ||
970 | /** | |
971 | * find client by response id/type, call clients onresponse handler | |
972 | * return buffer to pool on error | |
973 | * | |
59bf6b8e MK |
974 | * @param coredev pointer to a coredev object returned by |
975 | * smscore_register_device | |
2e5c1ec8 MK |
976 | * @param cb pointer to response buffer descriptor |
977 | * | |
978 | */ | |
18245e18 | 979 | void smscore_onresponse(struct smscore_device_t *coredev, |
793786d1 US |
980 | struct smscore_buffer_t *cb) { |
981 | struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) ((u8 *) cb->p | |
982 | + cb->offset); | |
983 | struct smscore_client_t *client; | |
2e5c1ec8 | 984 | int rc = -EBUSY; |
fbd05c82 MK |
985 | static unsigned long last_sample_time; /* = 0; */ |
986 | static int data_total; /* = 0; */ | |
2e5c1ec8 MK |
987 | unsigned long time_now = jiffies_to_msecs(jiffies); |
988 | ||
989 | if (!last_sample_time) | |
990 | last_sample_time = time_now; | |
991 | ||
fa830e8a | 992 | if (time_now - last_sample_time > 10000) { |
a0c0abcb | 993 | sms_debug("\ndata rate %d bytes/secs", |
068d6c0f MK |
994 | (int)((data_total * 1000) / |
995 | (time_now - last_sample_time))); | |
2e5c1ec8 MK |
996 | |
997 | last_sample_time = time_now; | |
998 | data_total = 0; | |
999 | } | |
1000 | ||
1001 | data_total += cb->size; | |
793786d1 US |
1002 | /* Do we need to re-route? */ |
1003 | if ((phdr->msgType == MSG_SMS_HO_PER_SLICES_IND) || | |
1004 | (phdr->msgType == MSG_SMS_TRANSMISSION_IND)) { | |
1005 | if (coredev->mode == DEVICE_MODE_DVBT_BDA) | |
1006 | phdr->msgDstId = DVBT_BDA_CONTROL_MSG_ID; | |
1007 | } | |
1008 | ||
1009 | ||
1010 | client = smscore_find_client(coredev, phdr->msgType, phdr->msgDstId); | |
1011 | ||
82237416 MK |
1012 | /* If no client registered for type & id, |
1013 | * check for control client where type is not registered */ | |
2e5c1ec8 MK |
1014 | if (client) |
1015 | rc = client->onresponse_handler(client->context, cb); | |
1016 | ||
82237416 MK |
1017 | if (rc < 0) { |
1018 | switch (phdr->msgType) { | |
1019 | case MSG_SMS_GET_VERSION_EX_RES: | |
2e5c1ec8 | 1020 | { |
18245e18 MK |
1021 | struct SmsVersionRes_ST *ver = |
1022 | (struct SmsVersionRes_ST *) phdr; | |
a0c0abcb MK |
1023 | sms_debug("MSG_SMS_GET_VERSION_EX_RES " |
1024 | "id %d prots 0x%x ver %d.%d", | |
068d6c0f MK |
1025 | ver->FirmwareId, ver->SupportedProtocols, |
1026 | ver->RomVersionMajor, ver->RomVersionMinor); | |
2e5c1ec8 | 1027 | |
82237416 MK |
1028 | coredev->mode = ver->FirmwareId == 255 ? |
1029 | DEVICE_MODE_NONE : ver->FirmwareId; | |
1030 | coredev->modes_supported = ver->SupportedProtocols; | |
2e5c1ec8 | 1031 | |
82237416 MK |
1032 | complete(&coredev->version_ex_done); |
1033 | break; | |
1034 | } | |
1035 | case MSG_SMS_INIT_DEVICE_RES: | |
a0c0abcb | 1036 | sms_debug("MSG_SMS_INIT_DEVICE_RES"); |
82237416 MK |
1037 | complete(&coredev->init_device_done); |
1038 | break; | |
1039 | case MSG_SW_RELOAD_START_RES: | |
a0c0abcb | 1040 | sms_debug("MSG_SW_RELOAD_START_RES"); |
82237416 MK |
1041 | complete(&coredev->reload_start_done); |
1042 | break; | |
1043 | case MSG_SMS_DATA_DOWNLOAD_RES: | |
1044 | complete(&coredev->data_download_done); | |
1045 | break; | |
1046 | case MSG_SW_RELOAD_EXEC_RES: | |
a0c0abcb | 1047 | sms_debug("MSG_SW_RELOAD_EXEC_RES"); |
82237416 MK |
1048 | break; |
1049 | case MSG_SMS_SWDOWNLOAD_TRIGGER_RES: | |
a0c0abcb | 1050 | sms_debug("MSG_SMS_SWDOWNLOAD_TRIGGER_RES"); |
82237416 MK |
1051 | complete(&coredev->trigger_done); |
1052 | break; | |
1053 | case MSG_SMS_SLEEP_RESUME_COMP_IND: | |
1054 | complete(&coredev->resume_done); | |
1055 | break; | |
34601caa US |
1056 | case MSG_SMS_GPIO_CONFIG_EX_RES: |
1057 | sms_debug("MSG_SMS_GPIO_CONFIG_EX_RES"); | |
1058 | complete(&coredev->gpio_configuration_done); | |
1059 | break; | |
1060 | case MSG_SMS_GPIO_SET_LEVEL_RES: | |
1061 | sms_debug("MSG_SMS_GPIO_SET_LEVEL_RES"); | |
1062 | complete(&coredev->gpio_set_level_done); | |
1063 | break; | |
1064 | case MSG_SMS_GPIO_GET_LEVEL_RES: | |
1065 | { | |
1066 | u32 *msgdata = (u32 *) phdr; | |
1067 | coredev->gpio_get_res = msgdata[1]; | |
1068 | sms_debug("MSG_SMS_GPIO_GET_LEVEL_RES gpio level %d", | |
1069 | coredev->gpio_get_res); | |
1070 | complete(&coredev->gpio_get_level_done); | |
1071 | break; | |
1072 | } | |
a804800a US |
1073 | case MSG_SMS_START_IR_RES: |
1074 | complete(&coredev->ir_init_done); | |
1075 | break; | |
1076 | case MSG_SMS_IR_SAMPLES_IND: | |
1077 | sms_ir_event(coredev, | |
1078 | (const char *) | |
1079 | ((char *)phdr | |
1080 | + sizeof(struct SmsMsgHdr_ST)), | |
1081 | (int)phdr->msgLength | |
1082 | - sizeof(struct SmsMsgHdr_ST)); | |
1083 | break; | |
1084 | ||
82237416 MK |
1085 | default: |
1086 | break; | |
2e5c1ec8 | 1087 | } |
2e5c1ec8 MK |
1088 | smscore_putbuffer(coredev, cb); |
1089 | } | |
1090 | } | |
a0beec8f | 1091 | EXPORT_SYMBOL_GPL(smscore_onresponse); |
2e5c1ec8 MK |
1092 | |
1093 | /** | |
1094 | * return pointer to next free buffer descriptor from core pool | |
1095 | * | |
59bf6b8e MK |
1096 | * @param coredev pointer to a coredev object returned by |
1097 | * smscore_register_device | |
2e5c1ec8 MK |
1098 | * |
1099 | * @return pointer to descriptor on success, NULL on error. | |
1100 | */ | |
3cdadc50 RZ |
1101 | |
1102 | struct smscore_buffer_t *get_entry(struct smscore_device_t *coredev) | |
2e5c1ec8 | 1103 | { |
18245e18 | 1104 | struct smscore_buffer_t *cb = NULL; |
2e5c1ec8 MK |
1105 | unsigned long flags; |
1106 | ||
1107 | spin_lock_irqsave(&coredev->bufferslock, flags); | |
3cdadc50 RZ |
1108 | if (!list_empty(&coredev->buffers)) { |
1109 | cb = (struct smscore_buffer_t *) coredev->buffers.next; | |
1110 | list_del(&cb->entry); | |
d0a38ce2 | 1111 | } |
3cdadc50 RZ |
1112 | spin_unlock_irqrestore(&coredev->bufferslock, flags); |
1113 | return cb; | |
1114 | } | |
a9349315 | 1115 | |
3cdadc50 RZ |
1116 | struct smscore_buffer_t *smscore_getbuffer(struct smscore_device_t *coredev) |
1117 | { | |
1118 | struct smscore_buffer_t *cb = NULL; | |
2e5c1ec8 | 1119 | |
3cdadc50 | 1120 | wait_event(coredev->buffer_mng_waitq, (cb = get_entry(coredev))); |
2e5c1ec8 MK |
1121 | |
1122 | return cb; | |
1123 | } | |
a0beec8f | 1124 | EXPORT_SYMBOL_GPL(smscore_getbuffer); |
2e5c1ec8 MK |
1125 | |
1126 | /** | |
1127 | * return buffer descriptor to a pool | |
1128 | * | |
59bf6b8e MK |
1129 | * @param coredev pointer to a coredev object returned by |
1130 | * smscore_register_device | |
2e5c1ec8 MK |
1131 | * @param cb pointer buffer descriptor |
1132 | * | |
1133 | */ | |
18245e18 | 1134 | void smscore_putbuffer(struct smscore_device_t *coredev, |
a9349315 US |
1135 | struct smscore_buffer_t *cb) { |
1136 | wake_up_interruptible(&coredev->buffer_mng_waitq); | |
2e5c1ec8 MK |
1137 | list_add_locked(&cb->entry, &coredev->buffers, &coredev->bufferslock); |
1138 | } | |
a0beec8f | 1139 | EXPORT_SYMBOL_GPL(smscore_putbuffer); |
2e5c1ec8 | 1140 | |
0c071f37 MK |
1141 | static int smscore_validate_client(struct smscore_device_t *coredev, |
1142 | struct smscore_client_t *client, | |
1143 | int data_type, int id) | |
2e5c1ec8 | 1144 | { |
18245e18 MK |
1145 | struct smscore_idlist_t *listentry; |
1146 | struct smscore_client_t *registered_client; | |
2e5c1ec8 | 1147 | |
82237416 | 1148 | if (!client) { |
2522dc13 | 1149 | sms_err("bad parameter."); |
f17407a8 MK |
1150 | return -EFAULT; |
1151 | } | |
1152 | registered_client = smscore_find_client(coredev, data_type, id); | |
fa830e8a | 1153 | if (registered_client == client) |
2e5c1ec8 | 1154 | return 0; |
fa830e8a | 1155 | |
82237416 | 1156 | if (registered_client) { |
2522dc13 | 1157 | sms_err("The msg ID already registered to another client."); |
f17407a8 MK |
1158 | return -EEXIST; |
1159 | } | |
18245e18 | 1160 | listentry = kzalloc(sizeof(struct smscore_idlist_t), GFP_KERNEL); |
82237416 | 1161 | if (!listentry) { |
2522dc13 | 1162 | sms_err("Can't allocate memory for client id."); |
2e5c1ec8 | 1163 | return -ENOMEM; |
f17407a8 MK |
1164 | } |
1165 | listentry->id = id; | |
1166 | listentry->data_type = data_type; | |
82237416 MK |
1167 | list_add_locked(&listentry->entry, &client->idlist, |
1168 | &coredev->clientslock); | |
2e5c1ec8 MK |
1169 | return 0; |
1170 | } | |
1171 | ||
1172 | /** | |
1173 | * creates smsclient object, check that id is taken by another client | |
1174 | * | |
1175 | * @param coredev pointer to a coredev object from clients hotplug | |
1176 | * @param initial_id all messages with this id would be sent to this client | |
1177 | * @param data_type all messages of this type would be sent to this client | |
ca783736 MK |
1178 | * @param onresponse_handler client handler that is called to |
1179 | * process incoming messages | |
2e5c1ec8 MK |
1180 | * @param onremove_handler client handler that is called when device is removed |
1181 | * @param context client-specific context | |
1182 | * @param client pointer to a value that receives created smsclient object | |
1183 | * | |
1184 | * @return 0 on success, <0 on error. | |
1185 | */ | |
18245e18 MK |
1186 | int smscore_register_client(struct smscore_device_t *coredev, |
1187 | struct smsclient_params_t *params, | |
1188 | struct smscore_client_t **client) | |
2e5c1ec8 | 1189 | { |
18245e18 | 1190 | struct smscore_client_t *newclient; |
82237416 MK |
1191 | /* check that no other channel with same parameters exists */ |
1192 | if (smscore_find_client(coredev, params->data_type, | |
1193 | params->initial_id)) { | |
2522dc13 | 1194 | sms_err("Client already exist."); |
2e5c1ec8 | 1195 | return -EEXIST; |
f17407a8 | 1196 | } |
2e5c1ec8 | 1197 | |
18245e18 | 1198 | newclient = kzalloc(sizeof(struct smscore_client_t), GFP_KERNEL); |
82237416 | 1199 | if (!newclient) { |
2522dc13 | 1200 | sms_err("Failed to allocate memory for client."); |
f17407a8 | 1201 | return -ENOMEM; |
2e5c1ec8 MK |
1202 | } |
1203 | ||
82237416 | 1204 | INIT_LIST_HEAD(&newclient->idlist); |
2e5c1ec8 | 1205 | newclient->coredev = coredev; |
2e5c1ec8 MK |
1206 | newclient->onresponse_handler = params->onresponse_handler; |
1207 | newclient->onremove_handler = params->onremove_handler; | |
1208 | newclient->context = params->context; | |
82237416 MK |
1209 | list_add_locked(&newclient->entry, &coredev->clients, |
1210 | &coredev->clientslock); | |
1211 | smscore_validate_client(coredev, newclient, params->data_type, | |
1212 | params->initial_id); | |
2e5c1ec8 | 1213 | *client = newclient; |
2522dc13 MK |
1214 | sms_debug("%p %d %d", params->context, params->data_type, |
1215 | params->initial_id); | |
2e5c1ec8 MK |
1216 | |
1217 | return 0; | |
1218 | } | |
a0beec8f | 1219 | EXPORT_SYMBOL_GPL(smscore_register_client); |
2e5c1ec8 MK |
1220 | |
1221 | /** | |
1222 | * frees smsclient object and all subclients associated with it | |
1223 | * | |
59bf6b8e MK |
1224 | * @param client pointer to smsclient object returned by |
1225 | * smscore_register_client | |
2e5c1ec8 MK |
1226 | * |
1227 | */ | |
18245e18 | 1228 | void smscore_unregister_client(struct smscore_client_t *client) |
2e5c1ec8 | 1229 | { |
18245e18 | 1230 | struct smscore_device_t *coredev = client->coredev; |
2e5c1ec8 MK |
1231 | unsigned long flags; |
1232 | ||
1233 | spin_lock_irqsave(&coredev->clientslock, flags); | |
1234 | ||
2e5c1ec8 | 1235 | |
82237416 | 1236 | while (!list_empty(&client->idlist)) { |
18245e18 MK |
1237 | struct smscore_idlist_t *identry = |
1238 | (struct smscore_idlist_t *) client->idlist.next; | |
82237416 MK |
1239 | list_del(&identry->entry); |
1240 | kfree(identry); | |
2e5c1ec8 MK |
1241 | } |
1242 | ||
a0c0abcb | 1243 | sms_info("%p", client->context); |
2e5c1ec8 MK |
1244 | |
1245 | list_del(&client->entry); | |
1246 | kfree(client); | |
1247 | ||
1248 | spin_unlock_irqrestore(&coredev->clientslock, flags); | |
1249 | } | |
a0beec8f | 1250 | EXPORT_SYMBOL_GPL(smscore_unregister_client); |
2e5c1ec8 MK |
1251 | |
1252 | /** | |
1253 | * verifies that source id is not taken by another client, | |
1254 | * calls device handler to send requests to the device | |
1255 | * | |
59bf6b8e MK |
1256 | * @param client pointer to smsclient object returned by |
1257 | * smscore_register_client | |
2e5c1ec8 MK |
1258 | * @param buffer pointer to a request buffer |
1259 | * @param size size (in bytes) of request buffer | |
1260 | * | |
1261 | * @return 0 on success, <0 on error. | |
1262 | */ | |
18245e18 MK |
1263 | int smsclient_sendrequest(struct smscore_client_t *client, |
1264 | void *buffer, size_t size) | |
2e5c1ec8 | 1265 | { |
18245e18 MK |
1266 | struct smscore_device_t *coredev; |
1267 | struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) buffer; | |
f17407a8 MK |
1268 | int rc; |
1269 | ||
82237416 | 1270 | if (client == NULL) { |
a0c0abcb | 1271 | sms_err("Got NULL client"); |
f17407a8 MK |
1272 | return -EINVAL; |
1273 | } | |
1274 | ||
1275 | coredev = client->coredev; | |
2e5c1ec8 | 1276 | |
82237416 MK |
1277 | /* check that no other channel with same id exists */ |
1278 | if (coredev == NULL) { | |
a0c0abcb | 1279 | sms_err("Got NULL coredev"); |
f17407a8 MK |
1280 | return -EINVAL; |
1281 | } | |
1282 | ||
82237416 MK |
1283 | rc = smscore_validate_client(client->coredev, client, 0, |
1284 | phdr->msgSrcId); | |
2e5c1ec8 MK |
1285 | if (rc < 0) |
1286 | return rc; | |
1287 | ||
1288 | return coredev->sendrequest_handler(coredev->context, buffer, size); | |
1289 | } | |
a0beec8f | 1290 | EXPORT_SYMBOL_GPL(smsclient_sendrequest); |
2e5c1ec8 | 1291 | |
2e5c1ec8 | 1292 | |
65155b37 | 1293 | /* old GPIO managements implementation */ |
76052bc8 | 1294 | int smscore_configure_gpio(struct smscore_device_t *coredev, u32 pin, |
7c4ca79f | 1295 | struct smscore_config_gpio *pinconfig) |
76052bc8 MK |
1296 | { |
1297 | struct { | |
1298 | struct SmsMsgHdr_ST hdr; | |
1299 | u32 data[6]; | |
1300 | } msg; | |
1301 | ||
1302 | if (coredev->device_flags & SMS_DEVICE_FAMILY2) { | |
1303 | msg.hdr.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; | |
1304 | msg.hdr.msgDstId = HIF_TASK; | |
1305 | msg.hdr.msgFlags = 0; | |
1306 | msg.hdr.msgType = MSG_SMS_GPIO_CONFIG_EX_REQ; | |
1307 | msg.hdr.msgLength = sizeof(msg); | |
1308 | ||
1309 | msg.data[0] = pin; | |
1310 | msg.data[1] = pinconfig->pullupdown; | |
1311 | ||
1312 | /* Convert slew rate for Nova: Fast(0) = 3 / Slow(1) = 0; */ | |
1313 | msg.data[2] = pinconfig->outputslewrate == 0 ? 3 : 0; | |
1314 | ||
1315 | switch (pinconfig->outputdriving) { | |
1316 | case SMS_GPIO_OUTPUTDRIVING_16mA: | |
1317 | msg.data[3] = 7; /* Nova - 16mA */ | |
1318 | break; | |
1319 | case SMS_GPIO_OUTPUTDRIVING_12mA: | |
1320 | msg.data[3] = 5; /* Nova - 11mA */ | |
1321 | break; | |
1322 | case SMS_GPIO_OUTPUTDRIVING_8mA: | |
1323 | msg.data[3] = 3; /* Nova - 7mA */ | |
1324 | break; | |
1325 | case SMS_GPIO_OUTPUTDRIVING_4mA: | |
1326 | default: | |
1327 | msg.data[3] = 2; /* Nova - 4mA */ | |
1328 | break; | |
1329 | } | |
1330 | ||
1331 | msg.data[4] = pinconfig->direction; | |
1332 | msg.data[5] = 0; | |
1333 | } else /* TODO: SMS_DEVICE_FAMILY1 */ | |
1334 | return -EINVAL; | |
1335 | ||
1336 | return coredev->sendrequest_handler(coredev->context, | |
1337 | &msg, sizeof(msg)); | |
1338 | } | |
1339 | ||
1340 | int smscore_set_gpio(struct smscore_device_t *coredev, u32 pin, int level) | |
1341 | { | |
1342 | struct { | |
1343 | struct SmsMsgHdr_ST hdr; | |
1344 | u32 data[3]; | |
1345 | } msg; | |
1346 | ||
1347 | if (pin > MAX_GPIO_PIN_NUMBER) | |
1348 | return -EINVAL; | |
1349 | ||
1350 | msg.hdr.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; | |
1351 | msg.hdr.msgDstId = HIF_TASK; | |
1352 | msg.hdr.msgFlags = 0; | |
1353 | msg.hdr.msgType = MSG_SMS_GPIO_SET_LEVEL_REQ; | |
1354 | msg.hdr.msgLength = sizeof(msg); | |
1355 | ||
1356 | msg.data[0] = pin; | |
1357 | msg.data[1] = level ? 1 : 0; | |
1358 | msg.data[2] = 0; | |
1359 | ||
1360 | return coredev->sendrequest_handler(coredev->context, | |
1361 | &msg, sizeof(msg)); | |
1362 | } | |
1363 | ||
3dbda77e | 1364 | /* new GPIO management implementation */ |
7c4ca79f US |
1365 | static int GetGpioPinParams(u32 PinNum, u32 *pTranslatedPinNum, |
1366 | u32 *pGroupNum, u32 *pGroupCfg) { | |
1367 | ||
1368 | *pGroupCfg = 1; | |
1369 | ||
f14a2972 | 1370 | if (PinNum <= 1) { |
7c4ca79f US |
1371 | *pTranslatedPinNum = 0; |
1372 | *pGroupNum = 9; | |
1373 | *pGroupCfg = 2; | |
1374 | } else if (PinNum >= 2 && PinNum <= 6) { | |
1375 | *pTranslatedPinNum = 2; | |
1376 | *pGroupNum = 0; | |
1377 | *pGroupCfg = 2; | |
1378 | } else if (PinNum >= 7 && PinNum <= 11) { | |
1379 | *pTranslatedPinNum = 7; | |
1380 | *pGroupNum = 1; | |
1381 | } else if (PinNum >= 12 && PinNum <= 15) { | |
1382 | *pTranslatedPinNum = 12; | |
1383 | *pGroupNum = 2; | |
1384 | *pGroupCfg = 3; | |
1385 | } else if (PinNum == 16) { | |
1386 | *pTranslatedPinNum = 16; | |
1387 | *pGroupNum = 23; | |
1388 | } else if (PinNum >= 17 && PinNum <= 24) { | |
1389 | *pTranslatedPinNum = 17; | |
1390 | *pGroupNum = 3; | |
1391 | } else if (PinNum == 25) { | |
1392 | *pTranslatedPinNum = 25; | |
1393 | *pGroupNum = 6; | |
1394 | } else if (PinNum >= 26 && PinNum <= 28) { | |
1395 | *pTranslatedPinNum = 26; | |
1396 | *pGroupNum = 4; | |
1397 | } else if (PinNum == 29) { | |
1398 | *pTranslatedPinNum = 29; | |
1399 | *pGroupNum = 5; | |
1400 | *pGroupCfg = 2; | |
1401 | } else if (PinNum == 30) { | |
1402 | *pTranslatedPinNum = 30; | |
1403 | *pGroupNum = 8; | |
1404 | } else if (PinNum == 31) { | |
1405 | *pTranslatedPinNum = 31; | |
1406 | *pGroupNum = 17; | |
1407 | } else | |
1408 | return -1; | |
1409 | ||
1410 | *pGroupCfg <<= 24; | |
1411 | ||
1412 | return 0; | |
1413 | } | |
1414 | ||
1415 | int smscore_gpio_configure(struct smscore_device_t *coredev, u8 PinNum, | |
1416 | struct smscore_gpio_config *pGpioConfig) { | |
1417 | ||
1418 | u32 totalLen; | |
be5daa9b HV |
1419 | u32 TranslatedPinNum = 0; |
1420 | u32 GroupNum = 0; | |
7c4ca79f US |
1421 | u32 ElectricChar; |
1422 | u32 groupCfg; | |
1423 | void *buffer; | |
1424 | int rc; | |
1425 | ||
1426 | struct SetGpioMsg { | |
1427 | struct SmsMsgHdr_ST xMsgHeader; | |
1428 | u32 msgData[6]; | |
1429 | } *pMsg; | |
1430 | ||
1431 | ||
1432 | if (PinNum > MAX_GPIO_PIN_NUMBER) | |
1433 | return -EINVAL; | |
1434 | ||
1435 | if (pGpioConfig == NULL) | |
1436 | return -EINVAL; | |
1437 | ||
1438 | totalLen = sizeof(struct SmsMsgHdr_ST) + (sizeof(u32) * 6); | |
1439 | ||
1440 | buffer = kmalloc(totalLen + SMS_DMA_ALIGNMENT, | |
1441 | GFP_KERNEL | GFP_DMA); | |
1442 | if (!buffer) | |
1443 | return -ENOMEM; | |
1444 | ||
1445 | pMsg = (struct SetGpioMsg *) SMS_ALIGN_ADDRESS(buffer); | |
1446 | ||
1447 | pMsg->xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; | |
1448 | pMsg->xMsgHeader.msgDstId = HIF_TASK; | |
1449 | pMsg->xMsgHeader.msgFlags = 0; | |
1450 | pMsg->xMsgHeader.msgLength = (u16) totalLen; | |
1451 | pMsg->msgData[0] = PinNum; | |
1452 | ||
1453 | if (!(coredev->device_flags & SMS_DEVICE_FAMILY2)) { | |
1454 | pMsg->xMsgHeader.msgType = MSG_SMS_GPIO_CONFIG_REQ; | |
1455 | if (GetGpioPinParams(PinNum, &TranslatedPinNum, &GroupNum, | |
b46d37e6 JS |
1456 | &groupCfg) != 0) { |
1457 | rc = -EINVAL; | |
1458 | goto free; | |
1459 | } | |
7c4ca79f US |
1460 | |
1461 | pMsg->msgData[1] = TranslatedPinNum; | |
1462 | pMsg->msgData[2] = GroupNum; | |
1463 | ElectricChar = (pGpioConfig->PullUpDown) | |
1464 | | (pGpioConfig->InputCharacteristics << 2) | |
1465 | | (pGpioConfig->OutputSlewRate << 3) | |
1466 | | (pGpioConfig->OutputDriving << 4); | |
1467 | pMsg->msgData[3] = ElectricChar; | |
1468 | pMsg->msgData[4] = pGpioConfig->Direction; | |
1469 | pMsg->msgData[5] = groupCfg; | |
1470 | } else { | |
1471 | pMsg->xMsgHeader.msgType = MSG_SMS_GPIO_CONFIG_EX_REQ; | |
1472 | pMsg->msgData[1] = pGpioConfig->PullUpDown; | |
1473 | pMsg->msgData[2] = pGpioConfig->OutputSlewRate; | |
1474 | pMsg->msgData[3] = pGpioConfig->OutputDriving; | |
1475 | pMsg->msgData[4] = pGpioConfig->Direction; | |
1476 | pMsg->msgData[5] = 0; | |
1477 | } | |
1478 | ||
1479 | smsendian_handle_tx_message((struct SmsMsgHdr_ST *)pMsg); | |
1480 | rc = smscore_sendrequest_and_wait(coredev, pMsg, totalLen, | |
1481 | &coredev->gpio_configuration_done); | |
1482 | ||
1483 | if (rc != 0) { | |
1484 | if (rc == -ETIME) | |
1485 | sms_err("smscore_gpio_configure timeout"); | |
1486 | else | |
1487 | sms_err("smscore_gpio_configure error"); | |
1488 | } | |
b46d37e6 | 1489 | free: |
7c4ca79f US |
1490 | kfree(buffer); |
1491 | ||
1492 | return rc; | |
1493 | } | |
1494 | ||
1495 | int smscore_gpio_set_level(struct smscore_device_t *coredev, u8 PinNum, | |
1496 | u8 NewLevel) { | |
1497 | ||
1498 | u32 totalLen; | |
1499 | int rc; | |
1500 | void *buffer; | |
1501 | ||
1502 | struct SetGpioMsg { | |
1503 | struct SmsMsgHdr_ST xMsgHeader; | |
1504 | u32 msgData[3]; /* keep it 3 ! */ | |
1505 | } *pMsg; | |
1506 | ||
f78729b4 | 1507 | if ((NewLevel > 1) || (PinNum > MAX_GPIO_PIN_NUMBER)) |
7c4ca79f US |
1508 | return -EINVAL; |
1509 | ||
1510 | totalLen = sizeof(struct SmsMsgHdr_ST) + | |
1511 | (3 * sizeof(u32)); /* keep it 3 ! */ | |
1512 | ||
1513 | buffer = kmalloc(totalLen + SMS_DMA_ALIGNMENT, | |
1514 | GFP_KERNEL | GFP_DMA); | |
1515 | if (!buffer) | |
1516 | return -ENOMEM; | |
1517 | ||
1518 | pMsg = (struct SetGpioMsg *) SMS_ALIGN_ADDRESS(buffer); | |
1519 | ||
1520 | pMsg->xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; | |
1521 | pMsg->xMsgHeader.msgDstId = HIF_TASK; | |
1522 | pMsg->xMsgHeader.msgFlags = 0; | |
1523 | pMsg->xMsgHeader.msgType = MSG_SMS_GPIO_SET_LEVEL_REQ; | |
1524 | pMsg->xMsgHeader.msgLength = (u16) totalLen; | |
1525 | pMsg->msgData[0] = PinNum; | |
1526 | pMsg->msgData[1] = NewLevel; | |
1527 | ||
1528 | /* Send message to SMS */ | |
1529 | smsendian_handle_tx_message((struct SmsMsgHdr_ST *)pMsg); | |
1530 | rc = smscore_sendrequest_and_wait(coredev, pMsg, totalLen, | |
1531 | &coredev->gpio_set_level_done); | |
1532 | ||
1533 | if (rc != 0) { | |
1534 | if (rc == -ETIME) | |
1535 | sms_err("smscore_gpio_set_level timeout"); | |
1536 | else | |
1537 | sms_err("smscore_gpio_set_level error"); | |
1538 | } | |
1539 | kfree(buffer); | |
1540 | ||
1541 | return rc; | |
1542 | } | |
1543 | ||
1544 | int smscore_gpio_get_level(struct smscore_device_t *coredev, u8 PinNum, | |
1545 | u8 *level) { | |
1546 | ||
1547 | u32 totalLen; | |
1548 | int rc; | |
1549 | void *buffer; | |
1550 | ||
1551 | struct SetGpioMsg { | |
1552 | struct SmsMsgHdr_ST xMsgHeader; | |
1553 | u32 msgData[2]; | |
1554 | } *pMsg; | |
1555 | ||
1556 | ||
1557 | if (PinNum > MAX_GPIO_PIN_NUMBER) | |
1558 | return -EINVAL; | |
1559 | ||
1560 | totalLen = sizeof(struct SmsMsgHdr_ST) + (2 * sizeof(u32)); | |
1561 | ||
1562 | buffer = kmalloc(totalLen + SMS_DMA_ALIGNMENT, | |
1563 | GFP_KERNEL | GFP_DMA); | |
1564 | if (!buffer) | |
1565 | return -ENOMEM; | |
1566 | ||
1567 | pMsg = (struct SetGpioMsg *) SMS_ALIGN_ADDRESS(buffer); | |
1568 | ||
1569 | pMsg->xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; | |
1570 | pMsg->xMsgHeader.msgDstId = HIF_TASK; | |
1571 | pMsg->xMsgHeader.msgFlags = 0; | |
1572 | pMsg->xMsgHeader.msgType = MSG_SMS_GPIO_GET_LEVEL_REQ; | |
1573 | pMsg->xMsgHeader.msgLength = (u16) totalLen; | |
1574 | pMsg->msgData[0] = PinNum; | |
1575 | pMsg->msgData[1] = 0; | |
1576 | ||
1577 | /* Send message to SMS */ | |
1578 | smsendian_handle_tx_message((struct SmsMsgHdr_ST *)pMsg); | |
1579 | rc = smscore_sendrequest_and_wait(coredev, pMsg, totalLen, | |
1580 | &coredev->gpio_get_level_done); | |
1581 | ||
1582 | if (rc != 0) { | |
1583 | if (rc == -ETIME) | |
1584 | sms_err("smscore_gpio_get_level timeout"); | |
1585 | else | |
1586 | sms_err("smscore_gpio_get_level error"); | |
1587 | } | |
1588 | kfree(buffer); | |
1589 | ||
1590 | /* Its a race between other gpio_get_level() and the copy of the single | |
1591 | * global 'coredev->gpio_get_res' to the function's variable 'level' | |
1592 | */ | |
1593 | *level = coredev->gpio_get_res; | |
1594 | ||
1595 | return rc; | |
1596 | } | |
1597 | ||
c5e0bd1a | 1598 | static int __init smscore_module_init(void) |
2e5c1ec8 | 1599 | { |
c6465799 | 1600 | int rc = 0; |
2e5c1ec8 MK |
1601 | |
1602 | INIT_LIST_HEAD(&g_smscore_notifyees); | |
1603 | INIT_LIST_HEAD(&g_smscore_devices); | |
1604 | kmutex_init(&g_smscore_deviceslock); | |
1605 | ||
1606 | INIT_LIST_HEAD(&g_smscore_registry); | |
1607 | kmutex_init(&g_smscore_registrylock); | |
1608 | ||
2e5c1ec8 MK |
1609 | return rc; |
1610 | } | |
1611 | ||
c5e0bd1a | 1612 | static void __exit smscore_module_exit(void) |
2e5c1ec8 | 1613 | { |
2e5c1ec8 | 1614 | kmutex_lock(&g_smscore_deviceslock); |
82237416 | 1615 | while (!list_empty(&g_smscore_notifyees)) { |
18245e18 MK |
1616 | struct smscore_device_notifyee_t *notifyee = |
1617 | (struct smscore_device_notifyee_t *) | |
1618 | g_smscore_notifyees.next; | |
2e5c1ec8 MK |
1619 | |
1620 | list_del(¬ifyee->entry); | |
1621 | kfree(notifyee); | |
1622 | } | |
1623 | kmutex_unlock(&g_smscore_deviceslock); | |
1624 | ||
1625 | kmutex_lock(&g_smscore_registrylock); | |
82237416 | 1626 | while (!list_empty(&g_smscore_registry)) { |
18245e18 MK |
1627 | struct smscore_registry_entry_t *entry = |
1628 | (struct smscore_registry_entry_t *) | |
1629 | g_smscore_registry.next; | |
2e5c1ec8 MK |
1630 | |
1631 | list_del(&entry->entry); | |
1632 | kfree(entry); | |
1633 | } | |
1634 | kmutex_unlock(&g_smscore_registrylock); | |
1635 | ||
a0c0abcb | 1636 | sms_debug(""); |
2e5c1ec8 MK |
1637 | } |
1638 | ||
1639 | module_init(smscore_module_init); | |
1640 | module_exit(smscore_module_exit); | |
1641 | ||
e0f14c25 US |
1642 | MODULE_DESCRIPTION("Siano MDTV Core module"); |
1643 | MODULE_AUTHOR("Siano Mobile Silicon, Inc. (uris@siano-ms.com)"); | |
2e5c1ec8 | 1644 | MODULE_LICENSE("GPL"); |