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Commit | Line | Data |
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8d4f9d0e | 1 | /* |
85447060 MK |
2 | * Siano core API module |
3 | * | |
4 | * This file contains implementation for the interface to sms core component | |
5 | * | |
e0f14c25 | 6 | * author: Uri Shkolnik |
8d4f9d0e | 7 | * |
85447060 | 8 | * Copyright (c), 2005-2008 Siano Mobile Silicon, Inc. |
8d4f9d0e ST |
9 | * |
10 | * This program is free software; you can redistribute it and/or modify | |
09a29b77 | 11 | * it under the terms of the GNU General Public License version 2 as |
85447060 | 12 | * published by the Free Software Foundation; |
8d4f9d0e | 13 | * |
85447060 MK |
14 | * Software distributed under the License is distributed on an "AS IS" |
15 | * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. | |
8d4f9d0e | 16 | * |
85447060 | 17 | * See the GNU General Public License for more details. |
8d4f9d0e ST |
18 | * |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
22 | */ | |
23 | ||
2e5c1ec8 MK |
24 | #include <linux/kernel.h> |
25 | #include <linux/init.h> | |
26 | #include <linux/module.h> | |
27 | #include <linux/moduleparam.h> | |
28 | #include <linux/dma-mapping.h> | |
29 | #include <linux/delay.h> | |
f1f74aa2 | 30 | #include <linux/io.h> |
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 | } | |
18245e18 MK |
119 | entry = (struct smscore_registry_entry_t *) |
120 | kmalloc(sizeof(struct smscore_registry_entry_t), | |
121 | GFP_KERNEL); | |
82237416 | 122 | if (entry) { |
2e5c1ec8 MK |
123 | entry->mode = default_mode; |
124 | strcpy(entry->devpath, devpath); | |
2e5c1ec8 | 125 | list_add(&entry->entry, &g_smscore_registry); |
82237416 | 126 | } else |
a0c0abcb | 127 | sms_err("failed to create smscore_registry."); |
2e5c1ec8 | 128 | kmutex_unlock(&g_smscore_registrylock); |
f17407a8 MK |
129 | return entry; |
130 | } | |
2e5c1ec8 | 131 | |
82237416 | 132 | int smscore_registry_getmode(char *devpath) |
f17407a8 | 133 | { |
18245e18 | 134 | struct smscore_registry_entry_t *entry; |
f17407a8 | 135 | |
82237416 MK |
136 | entry = smscore_find_registry(devpath); |
137 | if (entry) | |
f17407a8 | 138 | return entry->mode; |
f17407a8 | 139 | else |
a0c0abcb | 140 | sms_err("No registry found."); |
82237416 | 141 | |
2e5c1ec8 MK |
142 | return default_mode; |
143 | } | |
a0beec8f | 144 | EXPORT_SYMBOL_GPL(smscore_registry_getmode); |
2e5c1ec8 | 145 | |
0c071f37 | 146 | static enum sms_device_type_st smscore_registry_gettype(char *devpath) |
2e5c1ec8 | 147 | { |
18245e18 | 148 | struct smscore_registry_entry_t *entry; |
2e5c1ec8 | 149 | |
82237416 MK |
150 | entry = smscore_find_registry(devpath); |
151 | if (entry) | |
f17407a8 | 152 | return entry->type; |
f17407a8 | 153 | else |
a0c0abcb | 154 | sms_err("No registry found."); |
82237416 | 155 | |
f17407a8 MK |
156 | return -1; |
157 | } | |
2e5c1ec8 | 158 | |
82237416 MK |
159 | void smscore_registry_setmode(char *devpath, int mode) |
160 | { | |
18245e18 | 161 | struct smscore_registry_entry_t *entry; |
2e5c1ec8 | 162 | |
82237416 MK |
163 | entry = smscore_find_registry(devpath); |
164 | if (entry) | |
165 | entry->mode = mode; | |
f17407a8 | 166 | else |
a0c0abcb | 167 | sms_err("No registry found."); |
82237416 | 168 | } |
2e5c1ec8 | 169 | |
0c071f37 MK |
170 | static void smscore_registry_settype(char *devpath, |
171 | enum sms_device_type_st type) | |
f17407a8 | 172 | { |
18245e18 | 173 | struct smscore_registry_entry_t *entry; |
f17407a8 | 174 | |
82237416 MK |
175 | entry = smscore_find_registry(devpath); |
176 | if (entry) | |
f17407a8 | 177 | entry->type = type; |
f17407a8 | 178 | else |
a0c0abcb | 179 | sms_err("No registry found."); |
2e5c1ec8 MK |
180 | } |
181 | ||
182 | ||
0c071f37 MK |
183 | static void list_add_locked(struct list_head *new, struct list_head *head, |
184 | spinlock_t *lock) | |
2e5c1ec8 MK |
185 | { |
186 | unsigned long flags; | |
187 | ||
188 | spin_lock_irqsave(lock, flags); | |
189 | ||
190 | list_add(new, head); | |
191 | ||
192 | spin_unlock_irqrestore(lock, flags); | |
193 | } | |
194 | ||
195 | /** | |
196 | * register a client callback that called when device plugged in/unplugged | |
197 | * NOTE: if devices exist callback is called immediately for each device | |
198 | * | |
199 | * @param hotplug callback | |
200 | * | |
201 | * @return 0 on success, <0 on error. | |
202 | */ | |
203 | int smscore_register_hotplug(hotplug_t hotplug) | |
204 | { | |
18245e18 | 205 | struct smscore_device_notifyee_t *notifyee; |
2e5c1ec8 MK |
206 | struct list_head *next, *first; |
207 | int rc = 0; | |
208 | ||
209 | kmutex_lock(&g_smscore_deviceslock); | |
210 | ||
18245e18 MK |
211 | notifyee = kmalloc(sizeof(struct smscore_device_notifyee_t), |
212 | GFP_KERNEL); | |
82237416 MK |
213 | if (notifyee) { |
214 | /* now notify callback about existing devices */ | |
2e5c1ec8 | 215 | first = &g_smscore_devices; |
82237416 MK |
216 | for (next = first->next; |
217 | next != first && !rc; | |
218 | next = next->next) { | |
18245e18 MK |
219 | struct smscore_device_t *coredev = |
220 | (struct smscore_device_t *) next; | |
2e5c1ec8 MK |
221 | rc = hotplug(coredev, coredev->device, 1); |
222 | } | |
223 | ||
82237416 | 224 | if (rc >= 0) { |
2e5c1ec8 MK |
225 | notifyee->hotplug = hotplug; |
226 | list_add(¬ifyee->entry, &g_smscore_notifyees); | |
82237416 | 227 | } else |
2e5c1ec8 | 228 | kfree(notifyee); |
82237416 | 229 | } else |
2e5c1ec8 MK |
230 | rc = -ENOMEM; |
231 | ||
232 | kmutex_unlock(&g_smscore_deviceslock); | |
233 | ||
234 | return rc; | |
235 | } | |
a0beec8f | 236 | EXPORT_SYMBOL_GPL(smscore_register_hotplug); |
2e5c1ec8 MK |
237 | |
238 | /** | |
239 | * unregister a client callback that called when device plugged in/unplugged | |
240 | * | |
241 | * @param hotplug callback | |
242 | * | |
243 | */ | |
244 | void smscore_unregister_hotplug(hotplug_t hotplug) | |
245 | { | |
246 | struct list_head *next, *first; | |
247 | ||
248 | kmutex_lock(&g_smscore_deviceslock); | |
249 | ||
250 | first = &g_smscore_notifyees; | |
251 | ||
82237416 | 252 | for (next = first->next; next != first;) { |
18245e18 MK |
253 | struct smscore_device_notifyee_t *notifyee = |
254 | (struct smscore_device_notifyee_t *) next; | |
2e5c1ec8 MK |
255 | next = next->next; |
256 | ||
82237416 | 257 | if (notifyee->hotplug == hotplug) { |
2e5c1ec8 MK |
258 | list_del(¬ifyee->entry); |
259 | kfree(notifyee); | |
260 | } | |
261 | } | |
262 | ||
263 | kmutex_unlock(&g_smscore_deviceslock); | |
264 | } | |
a0beec8f | 265 | EXPORT_SYMBOL_GPL(smscore_unregister_hotplug); |
2e5c1ec8 | 266 | |
0c071f37 | 267 | static void smscore_notify_clients(struct smscore_device_t *coredev) |
2e5c1ec8 | 268 | { |
18245e18 | 269 | struct smscore_client_t *client; |
2e5c1ec8 | 270 | |
82237416 MK |
271 | /* the client must call smscore_unregister_client from remove handler */ |
272 | while (!list_empty(&coredev->clients)) { | |
18245e18 | 273 | client = (struct smscore_client_t *) coredev->clients.next; |
2e5c1ec8 MK |
274 | client->onremove_handler(client->context); |
275 | } | |
276 | } | |
277 | ||
0c071f37 MK |
278 | static int smscore_notify_callbacks(struct smscore_device_t *coredev, |
279 | struct device *device, int arrival) | |
2e5c1ec8 MK |
280 | { |
281 | struct list_head *next, *first; | |
282 | int rc = 0; | |
283 | ||
82237416 | 284 | /* note: must be called under g_deviceslock */ |
2e5c1ec8 MK |
285 | |
286 | first = &g_smscore_notifyees; | |
287 | ||
82237416 | 288 | for (next = first->next; next != first; next = next->next) { |
18245e18 | 289 | rc = ((struct smscore_device_notifyee_t *) next)-> |
59bf6b8e | 290 | hotplug(coredev, device, arrival); |
2e5c1ec8 MK |
291 | if (rc < 0) |
292 | break; | |
293 | } | |
294 | ||
295 | return rc; | |
296 | } | |
297 | ||
0c071f37 MK |
298 | static struct |
299 | smscore_buffer_t *smscore_createbuffer(u8 *buffer, void *common_buffer, | |
a83ccdd6 | 300 | dma_addr_t common_buffer_phys) |
2e5c1ec8 | 301 | { |
18245e18 MK |
302 | struct smscore_buffer_t *cb = |
303 | kmalloc(sizeof(struct smscore_buffer_t), GFP_KERNEL); | |
82237416 | 304 | if (!cb) { |
a0c0abcb | 305 | sms_info("kmalloc(...) failed"); |
2e5c1ec8 MK |
306 | return NULL; |
307 | } | |
308 | ||
309 | cb->p = buffer; | |
494d24c5 | 310 | cb->offset_in_common = buffer - (u8 *) common_buffer; |
2e5c1ec8 MK |
311 | cb->phys = common_buffer_phys + cb->offset_in_common; |
312 | ||
313 | return cb; | |
314 | } | |
315 | ||
316 | /** | |
82237416 MK |
317 | * creates coredev object for a device, prepares buffers, |
318 | * creates buffer mappings, notifies registered hotplugs about new device. | |
2e5c1ec8 | 319 | * |
59bf6b8e MK |
320 | * @param params device pointer to struct with device specific parameters |
321 | * and handlers | |
2e5c1ec8 MK |
322 | * @param coredev pointer to a value that receives created coredev object |
323 | * | |
324 | * @return 0 on success, <0 on error. | |
325 | */ | |
18245e18 MK |
326 | int smscore_register_device(struct smsdevice_params_t *params, |
327 | struct smscore_device_t **coredev) | |
2e5c1ec8 | 328 | { |
18245e18 | 329 | struct smscore_device_t *dev; |
2e5c1ec8 MK |
330 | u8 *buffer; |
331 | ||
18245e18 | 332 | dev = kzalloc(sizeof(struct smscore_device_t), GFP_KERNEL); |
82237416 | 333 | if (!dev) { |
a0c0abcb | 334 | sms_info("kzalloc(...) failed"); |
2e5c1ec8 MK |
335 | return -ENOMEM; |
336 | } | |
337 | ||
82237416 | 338 | /* init list entry so it could be safe in smscore_unregister_device */ |
2e5c1ec8 MK |
339 | INIT_LIST_HEAD(&dev->entry); |
340 | ||
82237416 | 341 | /* init queues */ |
2e5c1ec8 | 342 | INIT_LIST_HEAD(&dev->clients); |
2e5c1ec8 MK |
343 | INIT_LIST_HEAD(&dev->buffers); |
344 | ||
82237416 | 345 | /* init locks */ |
2e5c1ec8 MK |
346 | spin_lock_init(&dev->clientslock); |
347 | spin_lock_init(&dev->bufferslock); | |
348 | ||
82237416 | 349 | /* init completion events */ |
2e5c1ec8 MK |
350 | init_completion(&dev->version_ex_done); |
351 | init_completion(&dev->data_download_done); | |
352 | init_completion(&dev->trigger_done); | |
353 | init_completion(&dev->init_device_done); | |
354 | init_completion(&dev->reload_start_done); | |
355 | init_completion(&dev->resume_done); | |
34601caa US |
356 | init_completion(&dev->gpio_configuration_done); |
357 | init_completion(&dev->gpio_set_level_done); | |
358 | init_completion(&dev->gpio_get_level_done); | |
a804800a | 359 | init_completion(&dev->ir_init_done); |
2e5c1ec8 | 360 | |
a9349315 US |
361 | /* Buffer management */ |
362 | init_waitqueue_head(&dev->buffer_mng_waitq); | |
363 | ||
82237416 | 364 | /* alloc common buffer */ |
2e5c1ec8 | 365 | dev->common_buffer_size = params->buffer_size * params->num_buffers; |
82237416 MK |
366 | dev->common_buffer = dma_alloc_coherent(NULL, dev->common_buffer_size, |
367 | &dev->common_buffer_phys, | |
368 | GFP_KERNEL | GFP_DMA); | |
369 | if (!dev->common_buffer) { | |
2e5c1ec8 MK |
370 | smscore_unregister_device(dev); |
371 | return -ENOMEM; | |
372 | } | |
373 | ||
82237416 MK |
374 | /* prepare dma buffers */ |
375 | for (buffer = dev->common_buffer; | |
376 | dev->num_buffers < params->num_buffers; | |
fa830e8a | 377 | dev->num_buffers++, buffer += params->buffer_size) { |
18245e18 | 378 | struct smscore_buffer_t *cb = |
59bf6b8e MK |
379 | smscore_createbuffer(buffer, dev->common_buffer, |
380 | dev->common_buffer_phys); | |
82237416 | 381 | if (!cb) { |
2e5c1ec8 MK |
382 | smscore_unregister_device(dev); |
383 | return -ENOMEM; | |
384 | } | |
385 | ||
386 | smscore_putbuffer(dev, cb); | |
387 | } | |
388 | ||
a0c0abcb | 389 | sms_info("allocated %d buffers", dev->num_buffers); |
2e5c1ec8 MK |
390 | |
391 | dev->mode = DEVICE_MODE_NONE; | |
392 | dev->context = params->context; | |
393 | dev->device = params->device; | |
394 | dev->setmode_handler = params->setmode_handler; | |
395 | dev->detectmode_handler = params->detectmode_handler; | |
396 | dev->sendrequest_handler = params->sendrequest_handler; | |
397 | dev->preload_handler = params->preload_handler; | |
398 | dev->postload_handler = params->postload_handler; | |
399 | ||
400 | dev->device_flags = params->flags; | |
401 | strcpy(dev->devpath, params->devpath); | |
402 | ||
82237416 | 403 | smscore_registry_settype(dev->devpath, params->device_type); |
f17407a8 | 404 | |
82237416 | 405 | /* add device to devices list */ |
2e5c1ec8 MK |
406 | kmutex_lock(&g_smscore_deviceslock); |
407 | list_add(&dev->entry, &g_smscore_devices); | |
408 | kmutex_unlock(&g_smscore_deviceslock); | |
409 | ||
410 | *coredev = dev; | |
411 | ||
a0c0abcb | 412 | sms_info("device %p created", dev); |
2e5c1ec8 MK |
413 | |
414 | return 0; | |
415 | } | |
a0beec8f | 416 | EXPORT_SYMBOL_GPL(smscore_register_device); |
2e5c1ec8 | 417 | |
a804800a US |
418 | |
419 | static int smscore_sendrequest_and_wait(struct smscore_device_t *coredev, | |
420 | void *buffer, size_t size, struct completion *completion) { | |
421 | int rc = coredev->sendrequest_handler(coredev->context, buffer, size); | |
422 | if (rc < 0) { | |
423 | sms_info("sendrequest returned error %d", rc); | |
424 | return rc; | |
425 | } | |
426 | ||
427 | return wait_for_completion_timeout(completion, | |
428 | msecs_to_jiffies(SMS_PROTOCOL_MAX_RAOUNDTRIP_MS)) ? | |
429 | 0 : -ETIME; | |
430 | } | |
431 | ||
432 | /** | |
433 | * Starts & enables IR operations | |
434 | * | |
435 | * @return 0 on success, < 0 on error. | |
436 | */ | |
437 | static int smscore_init_ir(struct smscore_device_t *coredev) | |
438 | { | |
439 | int ir_io; | |
440 | int rc; | |
441 | void *buffer; | |
442 | ||
443 | coredev->ir.input_dev = NULL; | |
444 | ir_io = sms_get_board(smscore_get_board_id(coredev))->board_cfg.ir; | |
445 | if (ir_io) {/* only if IR port exist we use IR sub-module */ | |
446 | sms_info("IR loading"); | |
447 | rc = sms_ir_init(coredev); | |
448 | ||
449 | if (rc != 0) | |
450 | sms_err("Error initialization DTV IR sub-module"); | |
451 | else { | |
452 | buffer = kmalloc(sizeof(struct SmsMsgData_ST2) + | |
453 | SMS_DMA_ALIGNMENT, | |
454 | GFP_KERNEL | GFP_DMA); | |
455 | if (buffer) { | |
456 | struct SmsMsgData_ST2 *msg = | |
457 | (struct SmsMsgData_ST2 *) | |
458 | SMS_ALIGN_ADDRESS(buffer); | |
459 | ||
460 | SMS_INIT_MSG(&msg->xMsgHeader, | |
461 | MSG_SMS_START_IR_REQ, | |
462 | sizeof(struct SmsMsgData_ST2)); | |
463 | msg->msgData[0] = coredev->ir.controller; | |
464 | msg->msgData[1] = coredev->ir.timeout; | |
465 | ||
466 | smsendian_handle_tx_message( | |
467 | (struct SmsMsgHdr_ST2 *)msg); | |
468 | rc = smscore_sendrequest_and_wait(coredev, msg, | |
469 | msg->xMsgHeader. msgLength, | |
470 | &coredev->ir_init_done); | |
471 | ||
472 | kfree(buffer); | |
473 | } else | |
474 | sms_err | |
475 | ("Sending IR initialization message failed"); | |
476 | } | |
477 | } else | |
478 | sms_info("IR port has not been detected"); | |
479 | ||
480 | return 0; | |
481 | } | |
482 | ||
2e5c1ec8 MK |
483 | /** |
484 | * sets initial device mode and notifies client hotplugs that device is ready | |
485 | * | |
59bf6b8e MK |
486 | * @param coredev pointer to a coredev object returned by |
487 | * smscore_register_device | |
2e5c1ec8 MK |
488 | * |
489 | * @return 0 on success, <0 on error. | |
490 | */ | |
18245e18 | 491 | int smscore_start_device(struct smscore_device_t *coredev) |
2e5c1ec8 | 492 | { |
59bf6b8e MK |
493 | int rc = smscore_set_device_mode( |
494 | coredev, smscore_registry_getmode(coredev->devpath)); | |
82237416 | 495 | if (rc < 0) { |
a0c0abcb | 496 | sms_info("set device mode faile , rc %d", rc); |
2e5c1ec8 | 497 | return rc; |
f17407a8 | 498 | } |
2e5c1ec8 MK |
499 | |
500 | kmutex_lock(&g_smscore_deviceslock); | |
501 | ||
502 | rc = smscore_notify_callbacks(coredev, coredev->device, 1); | |
a804800a | 503 | smscore_init_ir(coredev); |
2e5c1ec8 | 504 | |
a0c0abcb | 505 | sms_info("device %p started, rc %d", coredev, rc); |
2e5c1ec8 MK |
506 | |
507 | kmutex_unlock(&g_smscore_deviceslock); | |
508 | ||
509 | return rc; | |
510 | } | |
a0beec8f | 511 | EXPORT_SYMBOL_GPL(smscore_start_device); |
2e5c1ec8 | 512 | |
2e5c1ec8 | 513 | |
0c071f37 MK |
514 | static int smscore_load_firmware_family2(struct smscore_device_t *coredev, |
515 | void *buffer, size_t size) | |
2e5c1ec8 | 516 | { |
18245e18 MK |
517 | struct SmsFirmware_ST *firmware = (struct SmsFirmware_ST *) buffer; |
518 | struct SmsMsgHdr_ST *msg; | |
01abc0b0 | 519 | u32 mem_address; |
a83ccdd6 | 520 | u8 *payload = firmware->Payload; |
2e5c1ec8 | 521 | int rc = 0; |
01abc0b0 US |
522 | firmware->StartAddress = le32_to_cpu(firmware->StartAddress); |
523 | firmware->Length = le32_to_cpu(firmware->Length); | |
524 | ||
525 | mem_address = firmware->StartAddress; | |
2e5c1ec8 | 526 | |
a0c0abcb MK |
527 | sms_info("loading FW to addr 0x%x size %d", |
528 | mem_address, firmware->Length); | |
82237416 | 529 | if (coredev->preload_handler) { |
2e5c1ec8 MK |
530 | rc = coredev->preload_handler(coredev->context); |
531 | if (rc < 0) | |
532 | return rc; | |
533 | } | |
534 | ||
82237416 | 535 | /* PAGE_SIZE buffer shall be enough and dma aligned */ |
e080842c | 536 | msg = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA); |
2e5c1ec8 MK |
537 | if (!msg) |
538 | return -ENOMEM; | |
539 | ||
82237416 | 540 | if (coredev->mode != DEVICE_MODE_NONE) { |
2522dc13 | 541 | sms_debug("sending reload command."); |
82237416 | 542 | SMS_INIT_MSG(msg, MSG_SW_RELOAD_START_REQ, |
18245e18 | 543 | sizeof(struct SmsMsgHdr_ST)); |
82237416 MK |
544 | rc = smscore_sendrequest_and_wait(coredev, msg, |
545 | msg->msgLength, | |
546 | &coredev->reload_start_done); | |
f0333e3d | 547 | mem_address = *(u32 *) &payload[20]; |
2e5c1ec8 MK |
548 | } |
549 | ||
fa830e8a | 550 | while (size && rc >= 0) { |
18245e18 MK |
551 | struct SmsDataDownload_ST *DataMsg = |
552 | (struct SmsDataDownload_ST *) msg; | |
2e5c1ec8 MK |
553 | int payload_size = min((int) size, SMS_MAX_PAYLOAD_SIZE); |
554 | ||
82237416 | 555 | SMS_INIT_MSG(msg, MSG_SMS_DATA_DOWNLOAD_REQ, |
18245e18 | 556 | (u16)(sizeof(struct SmsMsgHdr_ST) + |
f0333e3d | 557 | sizeof(u32) + payload_size)); |
2e5c1ec8 MK |
558 | |
559 | DataMsg->MemAddr = mem_address; | |
560 | memcpy(DataMsg->Payload, payload, payload_size); | |
561 | ||
82237416 MK |
562 | if ((coredev->device_flags & SMS_ROM_NO_RESPONSE) && |
563 | (coredev->mode == DEVICE_MODE_NONE)) | |
59bf6b8e MK |
564 | rc = coredev->sendrequest_handler( |
565 | coredev->context, DataMsg, | |
566 | DataMsg->xMsgHeader.msgLength); | |
2e5c1ec8 | 567 | else |
59bf6b8e MK |
568 | rc = smscore_sendrequest_and_wait( |
569 | coredev, DataMsg, | |
570 | DataMsg->xMsgHeader.msgLength, | |
571 | &coredev->data_download_done); | |
2e5c1ec8 MK |
572 | |
573 | payload += payload_size; | |
574 | size -= payload_size; | |
575 | mem_address += payload_size; | |
576 | } | |
577 | ||
82237416 MK |
578 | if (rc >= 0) { |
579 | if (coredev->mode == DEVICE_MODE_NONE) { | |
18245e18 MK |
580 | struct SmsMsgData_ST *TriggerMsg = |
581 | (struct SmsMsgData_ST *) msg; | |
2e5c1ec8 | 582 | |
82237416 | 583 | SMS_INIT_MSG(msg, MSG_SMS_SWDOWNLOAD_TRIGGER_REQ, |
18245e18 | 584 | sizeof(struct SmsMsgHdr_ST) + |
f0333e3d | 585 | sizeof(u32) * 5); |
2e5c1ec8 | 586 | |
59bf6b8e MK |
587 | TriggerMsg->msgData[0] = firmware->StartAddress; |
588 | /* Entry point */ | |
fa830e8a MK |
589 | TriggerMsg->msgData[1] = 5; /* Priority */ |
590 | TriggerMsg->msgData[2] = 0x200; /* Stack size */ | |
591 | TriggerMsg->msgData[3] = 0; /* Parameter */ | |
592 | TriggerMsg->msgData[4] = 4; /* Task ID */ | |
2e5c1ec8 | 593 | |
82237416 | 594 | if (coredev->device_flags & SMS_ROM_NO_RESPONSE) { |
59bf6b8e MK |
595 | rc = coredev->sendrequest_handler( |
596 | coredev->context, TriggerMsg, | |
597 | TriggerMsg->xMsgHeader.msgLength); | |
2e5c1ec8 | 598 | msleep(100); |
82237416 | 599 | } else |
59bf6b8e MK |
600 | rc = smscore_sendrequest_and_wait( |
601 | coredev, TriggerMsg, | |
602 | TriggerMsg->xMsgHeader.msgLength, | |
603 | &coredev->trigger_done); | |
82237416 MK |
604 | } else { |
605 | SMS_INIT_MSG(msg, MSG_SW_RELOAD_EXEC_REQ, | |
18245e18 | 606 | sizeof(struct SmsMsgHdr_ST)); |
2e5c1ec8 | 607 | |
82237416 MK |
608 | rc = coredev->sendrequest_handler(coredev->context, |
609 | msg, msg->msgLength); | |
2e5c1ec8 | 610 | } |
82237416 | 611 | msleep(500); |
2e5c1ec8 MK |
612 | } |
613 | ||
a0c0abcb | 614 | sms_debug("rc=%d, postload=%p ", rc, |
068d6c0f | 615 | coredev->postload_handler); |
2e5c1ec8 MK |
616 | |
617 | kfree(msg); | |
618 | ||
f17407a8 | 619 | return ((rc >= 0) && coredev->postload_handler) ? |
2e5c1ec8 MK |
620 | coredev->postload_handler(coredev->context) : |
621 | rc; | |
622 | } | |
623 | ||
624 | /** | |
625 | * loads specified firmware into a buffer and calls device loadfirmware_handler | |
626 | * | |
59bf6b8e MK |
627 | * @param coredev pointer to a coredev object returned by |
628 | * smscore_register_device | |
2e5c1ec8 MK |
629 | * @param filename null-terminated string specifies firmware file name |
630 | * @param loadfirmware_handler device handler that loads firmware | |
631 | * | |
632 | * @return 0 on success, <0 on error. | |
633 | */ | |
0c071f37 MK |
634 | static int smscore_load_firmware_from_file(struct smscore_device_t *coredev, |
635 | char *filename, | |
636 | loadfirmware_t loadfirmware_handler) | |
2e5c1ec8 MK |
637 | { |
638 | int rc = -ENOENT; | |
2e5c1ec8 | 639 | const struct firmware *fw; |
a83ccdd6 | 640 | u8 *fw_buffer; |
2e5c1ec8 | 641 | |
82237416 MK |
642 | if (loadfirmware_handler == NULL && !(coredev->device_flags & |
643 | SMS_DEVICE_FAMILY2)) | |
2e5c1ec8 MK |
644 | return -EINVAL; |
645 | ||
646 | rc = request_firmware(&fw, filename, coredev->device); | |
82237416 | 647 | if (rc < 0) { |
a0c0abcb | 648 | sms_info("failed to open \"%s\"", filename); |
2e5c1ec8 MK |
649 | return rc; |
650 | } | |
0f2a1ee1 | 651 | sms_info("read FW %s, size=%zd", filename, fw->size); |
82237416 MK |
652 | fw_buffer = kmalloc(ALIGN(fw->size, SMS_ALLOC_ALIGNMENT), |
653 | GFP_KERNEL | GFP_DMA); | |
654 | if (fw_buffer) { | |
2e5c1ec8 MK |
655 | memcpy(fw_buffer, fw->data, fw->size); |
656 | ||
657 | rc = (coredev->device_flags & SMS_DEVICE_FAMILY2) ? | |
59bf6b8e MK |
658 | smscore_load_firmware_family2(coredev, |
659 | fw_buffer, | |
660 | fw->size) : | |
661 | loadfirmware_handler(coredev->context, | |
662 | fw_buffer, fw->size); | |
2e5c1ec8 MK |
663 | |
664 | kfree(fw_buffer); | |
82237416 | 665 | } else { |
a0c0abcb | 666 | sms_info("failed to allocate firmware buffer"); |
2e5c1ec8 MK |
667 | rc = -ENOMEM; |
668 | } | |
669 | ||
670 | release_firmware(fw); | |
671 | ||
672 | return rc; | |
673 | } | |
674 | ||
675 | /** | |
59bf6b8e MK |
676 | * notifies all clients registered with the device, notifies hotplugs, |
677 | * frees all buffers and coredev object | |
2e5c1ec8 | 678 | * |
59bf6b8e MK |
679 | * @param coredev pointer to a coredev object returned by |
680 | * smscore_register_device | |
2e5c1ec8 MK |
681 | * |
682 | * @return 0 on success, <0 on error. | |
683 | */ | |
18245e18 | 684 | void smscore_unregister_device(struct smscore_device_t *coredev) |
2e5c1ec8 | 685 | { |
18245e18 | 686 | struct smscore_buffer_t *cb; |
2e5c1ec8 | 687 | int num_buffers = 0; |
f17407a8 | 688 | int retry = 0; |
2e5c1ec8 MK |
689 | |
690 | kmutex_lock(&g_smscore_deviceslock); | |
691 | ||
a804800a US |
692 | /* Release input device (IR) resources */ |
693 | sms_ir_exit(coredev); | |
694 | ||
2e5c1ec8 MK |
695 | smscore_notify_clients(coredev); |
696 | smscore_notify_callbacks(coredev, NULL, 0); | |
697 | ||
82237416 MK |
698 | /* at this point all buffers should be back |
699 | * onresponse must no longer be called */ | |
2e5c1ec8 | 700 | |
82237416 | 701 | while (1) { |
a9349315 US |
702 | while (!list_empty(&coredev->buffers)) { |
703 | cb = (struct smscore_buffer_t *) coredev->buffers.next; | |
704 | list_del(&cb->entry); | |
2e5c1ec8 | 705 | kfree(cb); |
fa830e8a | 706 | num_buffers++; |
2e5c1ec8 | 707 | } |
2e5c1ec8 MK |
708 | if (num_buffers == coredev->num_buffers) |
709 | break; | |
82237416 | 710 | if (++retry > 10) { |
a0c0abcb MK |
711 | sms_info("exiting although " |
712 | "not all buffers released."); | |
f17407a8 MK |
713 | break; |
714 | } | |
2e5c1ec8 | 715 | |
a0c0abcb | 716 | sms_info("waiting for %d buffer(s)", |
068d6c0f | 717 | coredev->num_buffers - num_buffers); |
2e5c1ec8 MK |
718 | msleep(100); |
719 | } | |
720 | ||
a0c0abcb | 721 | sms_info("freed %d buffers", num_buffers); |
2e5c1ec8 MK |
722 | |
723 | if (coredev->common_buffer) | |
82237416 | 724 | dma_free_coherent(NULL, coredev->common_buffer_size, |
a9349315 US |
725 | coredev->common_buffer, coredev->common_buffer_phys); |
726 | ||
727 | if (coredev->fw_buf != NULL) | |
728 | kfree(coredev->fw_buf); | |
2e5c1ec8 MK |
729 | |
730 | list_del(&coredev->entry); | |
731 | kfree(coredev); | |
732 | ||
733 | kmutex_unlock(&g_smscore_deviceslock); | |
734 | ||
a0c0abcb | 735 | sms_info("device %p destroyed", coredev); |
2e5c1ec8 | 736 | } |
a0beec8f | 737 | EXPORT_SYMBOL_GPL(smscore_unregister_device); |
2e5c1ec8 | 738 | |
0c071f37 | 739 | static int smscore_detect_mode(struct smscore_device_t *coredev) |
2e5c1ec8 | 740 | { |
18245e18 | 741 | void *buffer = kmalloc(sizeof(struct SmsMsgHdr_ST) + SMS_DMA_ALIGNMENT, |
82237416 | 742 | GFP_KERNEL | GFP_DMA); |
18245e18 MK |
743 | struct SmsMsgHdr_ST *msg = |
744 | (struct SmsMsgHdr_ST *) SMS_ALIGN_ADDRESS(buffer); | |
2e5c1ec8 MK |
745 | int rc; |
746 | ||
747 | if (!buffer) | |
748 | return -ENOMEM; | |
749 | ||
18245e18 MK |
750 | SMS_INIT_MSG(msg, MSG_SMS_GET_VERSION_EX_REQ, |
751 | sizeof(struct SmsMsgHdr_ST)); | |
2e5c1ec8 | 752 | |
82237416 MK |
753 | rc = smscore_sendrequest_and_wait(coredev, msg, msg->msgLength, |
754 | &coredev->version_ex_done); | |
755 | if (rc == -ETIME) { | |
a0c0abcb | 756 | sms_err("MSG_SMS_GET_VERSION_EX_REQ failed first try"); |
2e5c1ec8 | 757 | |
82237416 MK |
758 | if (wait_for_completion_timeout(&coredev->resume_done, |
759 | msecs_to_jiffies(5000))) { | |
59bf6b8e MK |
760 | rc = smscore_sendrequest_and_wait( |
761 | coredev, msg, msg->msgLength, | |
762 | &coredev->version_ex_done); | |
2e5c1ec8 | 763 | if (rc < 0) |
a0c0abcb MK |
764 | sms_err("MSG_SMS_GET_VERSION_EX_REQ failed " |
765 | "second try, rc %d", rc); | |
82237416 | 766 | } else |
2e5c1ec8 MK |
767 | rc = -ETIME; |
768 | } | |
769 | ||
770 | kfree(buffer); | |
771 | ||
772 | return rc; | |
773 | } | |
774 | ||
0c071f37 | 775 | static char *smscore_fw_lkup[][SMS_NUM_OF_DEVICE_TYPES] = { |
fbd05c82 MK |
776 | /*Stellar NOVA A0 Nova B0 VEGA*/ |
777 | /*DVBT*/ | |
778 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, | |
779 | /*DVBH*/ | |
780 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, | |
781 | /*TDMB*/ | |
e0f14c25 | 782 | {"none", "tdmb_nova_12mhz.inp", "tdmb_nova_12mhz_b0.inp", "none"}, |
fbd05c82 MK |
783 | /*DABIP*/ |
784 | {"none", "none", "none", "none"}, | |
785 | /*BDA*/ | |
786 | {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, | |
787 | /*ISDBT*/ | |
8cc8ef26 | 788 | {"none", "isdbt_nova_12mhz.inp", "isdbt_nova_12mhz_b0.inp", "none"}, |
fbd05c82 MK |
789 | /*ISDBTBDA*/ |
790 | {"none", "isdbt_nova_12mhz.inp", "isdbt_nova_12mhz_b0.inp", "none"}, | |
791 | /*CMMB*/ | |
792 | {"none", "none", "none", "cmmb_vega_12mhz.inp"} | |
2e5c1ec8 MK |
793 | }; |
794 | ||
02aea4fb MK |
795 | static inline char *sms_get_fw_name(struct smscore_device_t *coredev, |
796 | int mode, enum sms_device_type_st type) | |
797 | { | |
798 | char **fw = sms_get_board(smscore_get_board_id(coredev))->fw; | |
799 | return (fw && fw[mode]) ? fw[mode] : smscore_fw_lkup[mode][type]; | |
800 | } | |
f17407a8 | 801 | |
2e5c1ec8 MK |
802 | /** |
803 | * calls device handler to change mode of operation | |
804 | * NOTE: stellar/usb may disconnect when changing mode | |
805 | * | |
59bf6b8e MK |
806 | * @param coredev pointer to a coredev object returned by |
807 | * smscore_register_device | |
2e5c1ec8 MK |
808 | * @param mode requested mode of operation |
809 | * | |
810 | * @return 0 on success, <0 on error. | |
811 | */ | |
18245e18 | 812 | int smscore_set_device_mode(struct smscore_device_t *coredev, int mode) |
2e5c1ec8 MK |
813 | { |
814 | void *buffer; | |
815 | int rc = 0; | |
18245e18 | 816 | enum sms_device_type_st type; |
2e5c1ec8 | 817 | |
2522dc13 | 818 | sms_debug("set device mode to %d", mode); |
82237416 | 819 | if (coredev->device_flags & SMS_DEVICE_FAMILY2) { |
08b39642 | 820 | if (mode < DEVICE_MODE_DVBT || mode >= DEVICE_MODE_RAW_TUNER) { |
eb250942 | 821 | sms_err("invalid mode specified %d", mode); |
2e5c1ec8 MK |
822 | return -EINVAL; |
823 | } | |
824 | ||
f17407a8 MK |
825 | smscore_registry_setmode(coredev->devpath, mode); |
826 | ||
82237416 | 827 | if (!(coredev->device_flags & SMS_DEVICE_NOT_READY)) { |
2e5c1ec8 | 828 | rc = smscore_detect_mode(coredev); |
82237416 | 829 | if (rc < 0) { |
eb250942 | 830 | sms_err("mode detect failed %d", rc); |
2e5c1ec8 | 831 | return rc; |
82237416 | 832 | } |
f17407a8 | 833 | } |
2e5c1ec8 | 834 | |
82237416 | 835 | if (coredev->mode == mode) { |
a0c0abcb | 836 | sms_info("device mode %d already set", mode); |
2e5c1ec8 MK |
837 | return 0; |
838 | } | |
839 | ||
82237416 | 840 | if (!(coredev->modes_supported & (1 << mode))) { |
02aea4fb MK |
841 | char *fw_filename; |
842 | ||
82237416 | 843 | type = smscore_registry_gettype(coredev->devpath); |
02aea4fb MK |
844 | fw_filename = sms_get_fw_name(coredev, mode, type); |
845 | ||
846 | rc = smscore_load_firmware_from_file(coredev, | |
847 | fw_filename, NULL); | |
82237416 | 848 | if (rc < 0) { |
5068b7a4 MK |
849 | sms_warn("error %d loading firmware: %s, " |
850 | "trying again with default firmware", | |
851 | rc, fw_filename); | |
02aea4fb MK |
852 | |
853 | /* try again with the default firmware */ | |
5068b7a4 | 854 | fw_filename = smscore_fw_lkup[mode][type]; |
02aea4fb | 855 | rc = smscore_load_firmware_from_file(coredev, |
5068b7a4 | 856 | fw_filename, NULL); |
02aea4fb MK |
857 | |
858 | if (rc < 0) { | |
5068b7a4 MK |
859 | sms_warn("error %d loading " |
860 | "firmware: %s", rc, | |
861 | fw_filename); | |
02aea4fb MK |
862 | return rc; |
863 | } | |
82237416 | 864 | } |
5068b7a4 | 865 | sms_log("firmware download success: %s", fw_filename); |
82237416 | 866 | } else |
a0c0abcb MK |
867 | sms_info("mode %d supported by running " |
868 | "firmware", mode); | |
2e5c1ec8 | 869 | |
18245e18 MK |
870 | buffer = kmalloc(sizeof(struct SmsMsgData_ST) + |
871 | SMS_DMA_ALIGNMENT, GFP_KERNEL | GFP_DMA); | |
82237416 | 872 | if (buffer) { |
18245e18 MK |
873 | struct SmsMsgData_ST *msg = |
874 | (struct SmsMsgData_ST *) | |
875 | SMS_ALIGN_ADDRESS(buffer); | |
2e5c1ec8 | 876 | |
59bf6b8e | 877 | SMS_INIT_MSG(&msg->xMsgHeader, MSG_SMS_INIT_DEVICE_REQ, |
18245e18 | 878 | sizeof(struct SmsMsgData_ST)); |
2e5c1ec8 MK |
879 | msg->msgData[0] = mode; |
880 | ||
59bf6b8e MK |
881 | rc = smscore_sendrequest_and_wait( |
882 | coredev, msg, msg->xMsgHeader.msgLength, | |
883 | &coredev->init_device_done); | |
2e5c1ec8 MK |
884 | |
885 | kfree(buffer); | |
82237416 | 886 | } else { |
eb250942 MK |
887 | sms_err("Could not allocate buffer for " |
888 | "init device message."); | |
2e5c1ec8 | 889 | rc = -ENOMEM; |
82237416 MK |
890 | } |
891 | } else { | |
892 | if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) { | |
eb250942 | 893 | sms_err("invalid mode specified %d", mode); |
f17407a8 MK |
894 | return -EINVAL; |
895 | } | |
896 | ||
897 | smscore_registry_setmode(coredev->devpath, mode); | |
898 | ||
2e5c1ec8 | 899 | if (coredev->detectmode_handler) |
82237416 MK |
900 | coredev->detectmode_handler(coredev->context, |
901 | &coredev->mode); | |
2e5c1ec8 MK |
902 | |
903 | if (coredev->mode != mode && coredev->setmode_handler) | |
904 | rc = coredev->setmode_handler(coredev->context, mode); | |
905 | } | |
906 | ||
82237416 | 907 | if (rc >= 0) { |
2e5c1ec8 MK |
908 | coredev->mode = mode; |
909 | coredev->device_flags &= ~SMS_DEVICE_NOT_READY; | |
910 | } | |
911 | ||
5d2387e3 | 912 | if (rc < 0) |
eb250942 | 913 | sms_err("return error code %d.", rc); |
2e5c1ec8 MK |
914 | return rc; |
915 | } | |
916 | ||
917 | /** | |
918 | * calls device handler to get current mode of operation | |
919 | * | |
59bf6b8e MK |
920 | * @param coredev pointer to a coredev object returned by |
921 | * smscore_register_device | |
2e5c1ec8 MK |
922 | * |
923 | * @return current mode | |
924 | */ | |
18245e18 | 925 | int smscore_get_device_mode(struct smscore_device_t *coredev) |
2e5c1ec8 MK |
926 | { |
927 | return coredev->mode; | |
928 | } | |
a0beec8f | 929 | EXPORT_SYMBOL_GPL(smscore_get_device_mode); |
2e5c1ec8 | 930 | |
f17407a8 MK |
931 | /** |
932 | * find client by response id & type within the clients list. | |
933 | * return client handle or NULL. | |
934 | * | |
59bf6b8e MK |
935 | * @param coredev pointer to a coredev object returned by |
936 | * smscore_register_device | |
f17407a8 | 937 | * @param data_type client data type (SMS_DONT_CARE for all types) |
82237416 | 938 | * @param id client id (SMS_DONT_CARE for all id) |
f17407a8 MK |
939 | * |
940 | */ | |
0c071f37 MK |
941 | static struct |
942 | smscore_client_t *smscore_find_client(struct smscore_device_t *coredev, | |
59bf6b8e | 943 | int data_type, int id) |
2e5c1ec8 | 944 | { |
18245e18 | 945 | struct smscore_client_t *client = NULL; |
2e5c1ec8 MK |
946 | struct list_head *next, *first; |
947 | unsigned long flags; | |
f17407a8 | 948 | struct list_head *firstid, *nextid; |
2e5c1ec8 | 949 | |
2e5c1ec8 MK |
950 | |
951 | spin_lock_irqsave(&coredev->clientslock, flags); | |
2e5c1ec8 | 952 | first = &coredev->clients; |
82237416 MK |
953 | for (next = first->next; |
954 | (next != first) && !client; | |
955 | next = next->next) { | |
18245e18 | 956 | firstid = &((struct smscore_client_t *)next)->idlist; |
82237416 MK |
957 | for (nextid = firstid->next; |
958 | nextid != firstid; | |
959 | nextid = nextid->next) { | |
18245e18 MK |
960 | if ((((struct smscore_idlist_t *)nextid)->id == id) && |
961 | (((struct smscore_idlist_t *)nextid)->data_type == data_type || | |
962 | (((struct smscore_idlist_t *)nextid)->data_type == 0))) { | |
963 | client = (struct smscore_client_t *) next; | |
82237416 MK |
964 | break; |
965 | } | |
2e5c1ec8 MK |
966 | } |
967 | } | |
2e5c1ec8 | 968 | spin_unlock_irqrestore(&coredev->clientslock, flags); |
2e5c1ec8 MK |
969 | return client; |
970 | } | |
971 | ||
972 | /** | |
973 | * find client by response id/type, call clients onresponse handler | |
974 | * return buffer to pool on error | |
975 | * | |
59bf6b8e MK |
976 | * @param coredev pointer to a coredev object returned by |
977 | * smscore_register_device | |
2e5c1ec8 MK |
978 | * @param cb pointer to response buffer descriptor |
979 | * | |
980 | */ | |
18245e18 | 981 | void smscore_onresponse(struct smscore_device_t *coredev, |
793786d1 US |
982 | struct smscore_buffer_t *cb) { |
983 | struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) ((u8 *) cb->p | |
984 | + cb->offset); | |
985 | struct smscore_client_t *client; | |
2e5c1ec8 | 986 | int rc = -EBUSY; |
fbd05c82 MK |
987 | static unsigned long last_sample_time; /* = 0; */ |
988 | static int data_total; /* = 0; */ | |
2e5c1ec8 MK |
989 | unsigned long time_now = jiffies_to_msecs(jiffies); |
990 | ||
991 | if (!last_sample_time) | |
992 | last_sample_time = time_now; | |
993 | ||
fa830e8a | 994 | if (time_now - last_sample_time > 10000) { |
a0c0abcb | 995 | sms_debug("\ndata rate %d bytes/secs", |
068d6c0f MK |
996 | (int)((data_total * 1000) / |
997 | (time_now - last_sample_time))); | |
2e5c1ec8 MK |
998 | |
999 | last_sample_time = time_now; | |
1000 | data_total = 0; | |
1001 | } | |
1002 | ||
1003 | data_total += cb->size; | |
793786d1 US |
1004 | /* Do we need to re-route? */ |
1005 | if ((phdr->msgType == MSG_SMS_HO_PER_SLICES_IND) || | |
1006 | (phdr->msgType == MSG_SMS_TRANSMISSION_IND)) { | |
1007 | if (coredev->mode == DEVICE_MODE_DVBT_BDA) | |
1008 | phdr->msgDstId = DVBT_BDA_CONTROL_MSG_ID; | |
1009 | } | |
1010 | ||
1011 | ||
1012 | client = smscore_find_client(coredev, phdr->msgType, phdr->msgDstId); | |
1013 | ||
82237416 MK |
1014 | /* If no client registered for type & id, |
1015 | * check for control client where type is not registered */ | |
2e5c1ec8 MK |
1016 | if (client) |
1017 | rc = client->onresponse_handler(client->context, cb); | |
1018 | ||
82237416 MK |
1019 | if (rc < 0) { |
1020 | switch (phdr->msgType) { | |
1021 | case MSG_SMS_GET_VERSION_EX_RES: | |
2e5c1ec8 | 1022 | { |
18245e18 MK |
1023 | struct SmsVersionRes_ST *ver = |
1024 | (struct SmsVersionRes_ST *) phdr; | |
a0c0abcb MK |
1025 | sms_debug("MSG_SMS_GET_VERSION_EX_RES " |
1026 | "id %d prots 0x%x ver %d.%d", | |
068d6c0f MK |
1027 | ver->FirmwareId, ver->SupportedProtocols, |
1028 | ver->RomVersionMajor, ver->RomVersionMinor); | |
2e5c1ec8 | 1029 | |
82237416 MK |
1030 | coredev->mode = ver->FirmwareId == 255 ? |
1031 | DEVICE_MODE_NONE : ver->FirmwareId; | |
1032 | coredev->modes_supported = ver->SupportedProtocols; | |
2e5c1ec8 | 1033 | |
82237416 MK |
1034 | complete(&coredev->version_ex_done); |
1035 | break; | |
1036 | } | |
1037 | case MSG_SMS_INIT_DEVICE_RES: | |
a0c0abcb | 1038 | sms_debug("MSG_SMS_INIT_DEVICE_RES"); |
82237416 MK |
1039 | complete(&coredev->init_device_done); |
1040 | break; | |
1041 | case MSG_SW_RELOAD_START_RES: | |
a0c0abcb | 1042 | sms_debug("MSG_SW_RELOAD_START_RES"); |
82237416 MK |
1043 | complete(&coredev->reload_start_done); |
1044 | break; | |
1045 | case MSG_SMS_DATA_DOWNLOAD_RES: | |
1046 | complete(&coredev->data_download_done); | |
1047 | break; | |
1048 | case MSG_SW_RELOAD_EXEC_RES: | |
a0c0abcb | 1049 | sms_debug("MSG_SW_RELOAD_EXEC_RES"); |
82237416 MK |
1050 | break; |
1051 | case MSG_SMS_SWDOWNLOAD_TRIGGER_RES: | |
a0c0abcb | 1052 | sms_debug("MSG_SMS_SWDOWNLOAD_TRIGGER_RES"); |
82237416 MK |
1053 | complete(&coredev->trigger_done); |
1054 | break; | |
1055 | case MSG_SMS_SLEEP_RESUME_COMP_IND: | |
1056 | complete(&coredev->resume_done); | |
1057 | break; | |
34601caa US |
1058 | case MSG_SMS_GPIO_CONFIG_EX_RES: |
1059 | sms_debug("MSG_SMS_GPIO_CONFIG_EX_RES"); | |
1060 | complete(&coredev->gpio_configuration_done); | |
1061 | break; | |
1062 | case MSG_SMS_GPIO_SET_LEVEL_RES: | |
1063 | sms_debug("MSG_SMS_GPIO_SET_LEVEL_RES"); | |
1064 | complete(&coredev->gpio_set_level_done); | |
1065 | break; | |
1066 | case MSG_SMS_GPIO_GET_LEVEL_RES: | |
1067 | { | |
1068 | u32 *msgdata = (u32 *) phdr; | |
1069 | coredev->gpio_get_res = msgdata[1]; | |
1070 | sms_debug("MSG_SMS_GPIO_GET_LEVEL_RES gpio level %d", | |
1071 | coredev->gpio_get_res); | |
1072 | complete(&coredev->gpio_get_level_done); | |
1073 | break; | |
1074 | } | |
a804800a US |
1075 | case MSG_SMS_START_IR_RES: |
1076 | complete(&coredev->ir_init_done); | |
1077 | break; | |
1078 | case MSG_SMS_IR_SAMPLES_IND: | |
1079 | sms_ir_event(coredev, | |
1080 | (const char *) | |
1081 | ((char *)phdr | |
1082 | + sizeof(struct SmsMsgHdr_ST)), | |
1083 | (int)phdr->msgLength | |
1084 | - sizeof(struct SmsMsgHdr_ST)); | |
1085 | break; | |
1086 | ||
82237416 MK |
1087 | default: |
1088 | break; | |
2e5c1ec8 | 1089 | } |
2e5c1ec8 MK |
1090 | smscore_putbuffer(coredev, cb); |
1091 | } | |
1092 | } | |
a0beec8f | 1093 | EXPORT_SYMBOL_GPL(smscore_onresponse); |
2e5c1ec8 MK |
1094 | |
1095 | /** | |
1096 | * return pointer to next free buffer descriptor from core pool | |
1097 | * | |
59bf6b8e MK |
1098 | * @param coredev pointer to a coredev object returned by |
1099 | * smscore_register_device | |
2e5c1ec8 MK |
1100 | * |
1101 | * @return pointer to descriptor on success, NULL on error. | |
1102 | */ | |
18245e18 | 1103 | struct smscore_buffer_t *smscore_getbuffer(struct smscore_device_t *coredev) |
2e5c1ec8 | 1104 | { |
18245e18 | 1105 | struct smscore_buffer_t *cb = NULL; |
2e5c1ec8 MK |
1106 | unsigned long flags; |
1107 | ||
a9349315 US |
1108 | DEFINE_WAIT(wait); |
1109 | ||
2e5c1ec8 MK |
1110 | spin_lock_irqsave(&coredev->bufferslock, flags); |
1111 | ||
a9349315 US |
1112 | /* This function must return a valid buffer, since the buffer list is |
1113 | * finite, we check that there is an available buffer, if not, we wait | |
1114 | * until such buffer become available. | |
1115 | */ | |
1116 | ||
1117 | prepare_to_wait(&coredev->buffer_mng_waitq, &wait, TASK_INTERRUPTIBLE); | |
1118 | ||
1119 | if (list_empty(&coredev->buffers)) | |
1120 | schedule(); | |
1121 | ||
1122 | finish_wait(&coredev->buffer_mng_waitq, &wait); | |
1123 | ||
1124 | cb = (struct smscore_buffer_t *) coredev->buffers.next; | |
1125 | list_del(&cb->entry); | |
2e5c1ec8 MK |
1126 | |
1127 | spin_unlock_irqrestore(&coredev->bufferslock, flags); | |
1128 | ||
1129 | return cb; | |
1130 | } | |
a0beec8f | 1131 | EXPORT_SYMBOL_GPL(smscore_getbuffer); |
2e5c1ec8 MK |
1132 | |
1133 | /** | |
1134 | * return buffer descriptor to a pool | |
1135 | * | |
59bf6b8e MK |
1136 | * @param coredev pointer to a coredev object returned by |
1137 | * smscore_register_device | |
2e5c1ec8 MK |
1138 | * @param cb pointer buffer descriptor |
1139 | * | |
1140 | */ | |
18245e18 | 1141 | void smscore_putbuffer(struct smscore_device_t *coredev, |
a9349315 US |
1142 | struct smscore_buffer_t *cb) { |
1143 | wake_up_interruptible(&coredev->buffer_mng_waitq); | |
2e5c1ec8 MK |
1144 | list_add_locked(&cb->entry, &coredev->buffers, &coredev->bufferslock); |
1145 | } | |
a0beec8f | 1146 | EXPORT_SYMBOL_GPL(smscore_putbuffer); |
2e5c1ec8 | 1147 | |
0c071f37 MK |
1148 | static int smscore_validate_client(struct smscore_device_t *coredev, |
1149 | struct smscore_client_t *client, | |
1150 | int data_type, int id) | |
2e5c1ec8 | 1151 | { |
18245e18 MK |
1152 | struct smscore_idlist_t *listentry; |
1153 | struct smscore_client_t *registered_client; | |
2e5c1ec8 | 1154 | |
82237416 | 1155 | if (!client) { |
2522dc13 | 1156 | sms_err("bad parameter."); |
f17407a8 MK |
1157 | return -EFAULT; |
1158 | } | |
1159 | registered_client = smscore_find_client(coredev, data_type, id); | |
fa830e8a | 1160 | if (registered_client == client) |
2e5c1ec8 | 1161 | return 0; |
fa830e8a | 1162 | |
82237416 | 1163 | if (registered_client) { |
2522dc13 | 1164 | sms_err("The msg ID already registered to another client."); |
f17407a8 MK |
1165 | return -EEXIST; |
1166 | } | |
18245e18 | 1167 | listentry = kzalloc(sizeof(struct smscore_idlist_t), GFP_KERNEL); |
82237416 | 1168 | if (!listentry) { |
2522dc13 | 1169 | sms_err("Can't allocate memory for client id."); |
2e5c1ec8 | 1170 | return -ENOMEM; |
f17407a8 MK |
1171 | } |
1172 | listentry->id = id; | |
1173 | listentry->data_type = data_type; | |
82237416 MK |
1174 | list_add_locked(&listentry->entry, &client->idlist, |
1175 | &coredev->clientslock); | |
2e5c1ec8 MK |
1176 | return 0; |
1177 | } | |
1178 | ||
1179 | /** | |
1180 | * creates smsclient object, check that id is taken by another client | |
1181 | * | |
1182 | * @param coredev pointer to a coredev object from clients hotplug | |
1183 | * @param initial_id all messages with this id would be sent to this client | |
1184 | * @param data_type all messages of this type would be sent to this client | |
ca783736 MK |
1185 | * @param onresponse_handler client handler that is called to |
1186 | * process incoming messages | |
2e5c1ec8 MK |
1187 | * @param onremove_handler client handler that is called when device is removed |
1188 | * @param context client-specific context | |
1189 | * @param client pointer to a value that receives created smsclient object | |
1190 | * | |
1191 | * @return 0 on success, <0 on error. | |
1192 | */ | |
18245e18 MK |
1193 | int smscore_register_client(struct smscore_device_t *coredev, |
1194 | struct smsclient_params_t *params, | |
1195 | struct smscore_client_t **client) | |
2e5c1ec8 | 1196 | { |
18245e18 | 1197 | struct smscore_client_t *newclient; |
82237416 MK |
1198 | /* check that no other channel with same parameters exists */ |
1199 | if (smscore_find_client(coredev, params->data_type, | |
1200 | params->initial_id)) { | |
2522dc13 | 1201 | sms_err("Client already exist."); |
2e5c1ec8 | 1202 | return -EEXIST; |
f17407a8 | 1203 | } |
2e5c1ec8 | 1204 | |
18245e18 | 1205 | newclient = kzalloc(sizeof(struct smscore_client_t), GFP_KERNEL); |
82237416 | 1206 | if (!newclient) { |
2522dc13 | 1207 | sms_err("Failed to allocate memory for client."); |
f17407a8 | 1208 | return -ENOMEM; |
2e5c1ec8 MK |
1209 | } |
1210 | ||
82237416 | 1211 | INIT_LIST_HEAD(&newclient->idlist); |
2e5c1ec8 | 1212 | newclient->coredev = coredev; |
2e5c1ec8 MK |
1213 | newclient->onresponse_handler = params->onresponse_handler; |
1214 | newclient->onremove_handler = params->onremove_handler; | |
1215 | newclient->context = params->context; | |
82237416 MK |
1216 | list_add_locked(&newclient->entry, &coredev->clients, |
1217 | &coredev->clientslock); | |
1218 | smscore_validate_client(coredev, newclient, params->data_type, | |
1219 | params->initial_id); | |
2e5c1ec8 | 1220 | *client = newclient; |
2522dc13 MK |
1221 | sms_debug("%p %d %d", params->context, params->data_type, |
1222 | params->initial_id); | |
2e5c1ec8 MK |
1223 | |
1224 | return 0; | |
1225 | } | |
a0beec8f | 1226 | EXPORT_SYMBOL_GPL(smscore_register_client); |
2e5c1ec8 MK |
1227 | |
1228 | /** | |
1229 | * frees smsclient object and all subclients associated with it | |
1230 | * | |
59bf6b8e MK |
1231 | * @param client pointer to smsclient object returned by |
1232 | * smscore_register_client | |
2e5c1ec8 MK |
1233 | * |
1234 | */ | |
18245e18 | 1235 | void smscore_unregister_client(struct smscore_client_t *client) |
2e5c1ec8 | 1236 | { |
18245e18 | 1237 | struct smscore_device_t *coredev = client->coredev; |
2e5c1ec8 MK |
1238 | unsigned long flags; |
1239 | ||
1240 | spin_lock_irqsave(&coredev->clientslock, flags); | |
1241 | ||
2e5c1ec8 | 1242 | |
82237416 | 1243 | while (!list_empty(&client->idlist)) { |
18245e18 MK |
1244 | struct smscore_idlist_t *identry = |
1245 | (struct smscore_idlist_t *) client->idlist.next; | |
82237416 MK |
1246 | list_del(&identry->entry); |
1247 | kfree(identry); | |
2e5c1ec8 MK |
1248 | } |
1249 | ||
a0c0abcb | 1250 | sms_info("%p", client->context); |
2e5c1ec8 MK |
1251 | |
1252 | list_del(&client->entry); | |
1253 | kfree(client); | |
1254 | ||
1255 | spin_unlock_irqrestore(&coredev->clientslock, flags); | |
1256 | } | |
a0beec8f | 1257 | EXPORT_SYMBOL_GPL(smscore_unregister_client); |
2e5c1ec8 MK |
1258 | |
1259 | /** | |
1260 | * verifies that source id is not taken by another client, | |
1261 | * calls device handler to send requests to the device | |
1262 | * | |
59bf6b8e MK |
1263 | * @param client pointer to smsclient object returned by |
1264 | * smscore_register_client | |
2e5c1ec8 MK |
1265 | * @param buffer pointer to a request buffer |
1266 | * @param size size (in bytes) of request buffer | |
1267 | * | |
1268 | * @return 0 on success, <0 on error. | |
1269 | */ | |
18245e18 MK |
1270 | int smsclient_sendrequest(struct smscore_client_t *client, |
1271 | void *buffer, size_t size) | |
2e5c1ec8 | 1272 | { |
18245e18 MK |
1273 | struct smscore_device_t *coredev; |
1274 | struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) buffer; | |
f17407a8 MK |
1275 | int rc; |
1276 | ||
82237416 | 1277 | if (client == NULL) { |
a0c0abcb | 1278 | sms_err("Got NULL client"); |
f17407a8 MK |
1279 | return -EINVAL; |
1280 | } | |
1281 | ||
1282 | coredev = client->coredev; | |
2e5c1ec8 | 1283 | |
82237416 MK |
1284 | /* check that no other channel with same id exists */ |
1285 | if (coredev == NULL) { | |
a0c0abcb | 1286 | sms_err("Got NULL coredev"); |
f17407a8 MK |
1287 | return -EINVAL; |
1288 | } | |
1289 | ||
82237416 MK |
1290 | rc = smscore_validate_client(client->coredev, client, 0, |
1291 | phdr->msgSrcId); | |
2e5c1ec8 MK |
1292 | if (rc < 0) |
1293 | return rc; | |
1294 | ||
1295 | return coredev->sendrequest_handler(coredev->context, buffer, size); | |
1296 | } | |
a0beec8f | 1297 | EXPORT_SYMBOL_GPL(smsclient_sendrequest); |
2e5c1ec8 | 1298 | |
2e5c1ec8 | 1299 | |
7c4ca79f | 1300 | /* old GPIO managments implementation */ |
76052bc8 | 1301 | int smscore_configure_gpio(struct smscore_device_t *coredev, u32 pin, |
7c4ca79f | 1302 | struct smscore_config_gpio *pinconfig) |
76052bc8 MK |
1303 | { |
1304 | struct { | |
1305 | struct SmsMsgHdr_ST hdr; | |
1306 | u32 data[6]; | |
1307 | } msg; | |
1308 | ||
1309 | if (coredev->device_flags & SMS_DEVICE_FAMILY2) { | |
1310 | msg.hdr.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; | |
1311 | msg.hdr.msgDstId = HIF_TASK; | |
1312 | msg.hdr.msgFlags = 0; | |
1313 | msg.hdr.msgType = MSG_SMS_GPIO_CONFIG_EX_REQ; | |
1314 | msg.hdr.msgLength = sizeof(msg); | |
1315 | ||
1316 | msg.data[0] = pin; | |
1317 | msg.data[1] = pinconfig->pullupdown; | |
1318 | ||
1319 | /* Convert slew rate for Nova: Fast(0) = 3 / Slow(1) = 0; */ | |
1320 | msg.data[2] = pinconfig->outputslewrate == 0 ? 3 : 0; | |
1321 | ||
1322 | switch (pinconfig->outputdriving) { | |
1323 | case SMS_GPIO_OUTPUTDRIVING_16mA: | |
1324 | msg.data[3] = 7; /* Nova - 16mA */ | |
1325 | break; | |
1326 | case SMS_GPIO_OUTPUTDRIVING_12mA: | |
1327 | msg.data[3] = 5; /* Nova - 11mA */ | |
1328 | break; | |
1329 | case SMS_GPIO_OUTPUTDRIVING_8mA: | |
1330 | msg.data[3] = 3; /* Nova - 7mA */ | |
1331 | break; | |
1332 | case SMS_GPIO_OUTPUTDRIVING_4mA: | |
1333 | default: | |
1334 | msg.data[3] = 2; /* Nova - 4mA */ | |
1335 | break; | |
1336 | } | |
1337 | ||
1338 | msg.data[4] = pinconfig->direction; | |
1339 | msg.data[5] = 0; | |
1340 | } else /* TODO: SMS_DEVICE_FAMILY1 */ | |
1341 | return -EINVAL; | |
1342 | ||
1343 | return coredev->sendrequest_handler(coredev->context, | |
1344 | &msg, sizeof(msg)); | |
1345 | } | |
1346 | ||
1347 | int smscore_set_gpio(struct smscore_device_t *coredev, u32 pin, int level) | |
1348 | { | |
1349 | struct { | |
1350 | struct SmsMsgHdr_ST hdr; | |
1351 | u32 data[3]; | |
1352 | } msg; | |
1353 | ||
1354 | if (pin > MAX_GPIO_PIN_NUMBER) | |
1355 | return -EINVAL; | |
1356 | ||
1357 | msg.hdr.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; | |
1358 | msg.hdr.msgDstId = HIF_TASK; | |
1359 | msg.hdr.msgFlags = 0; | |
1360 | msg.hdr.msgType = MSG_SMS_GPIO_SET_LEVEL_REQ; | |
1361 | msg.hdr.msgLength = sizeof(msg); | |
1362 | ||
1363 | msg.data[0] = pin; | |
1364 | msg.data[1] = level ? 1 : 0; | |
1365 | msg.data[2] = 0; | |
1366 | ||
1367 | return coredev->sendrequest_handler(coredev->context, | |
1368 | &msg, sizeof(msg)); | |
1369 | } | |
1370 | ||
3dbda77e | 1371 | /* new GPIO management implementation */ |
7c4ca79f US |
1372 | static int GetGpioPinParams(u32 PinNum, u32 *pTranslatedPinNum, |
1373 | u32 *pGroupNum, u32 *pGroupCfg) { | |
1374 | ||
1375 | *pGroupCfg = 1; | |
1376 | ||
f14a2972 | 1377 | if (PinNum <= 1) { |
7c4ca79f US |
1378 | *pTranslatedPinNum = 0; |
1379 | *pGroupNum = 9; | |
1380 | *pGroupCfg = 2; | |
1381 | } else if (PinNum >= 2 && PinNum <= 6) { | |
1382 | *pTranslatedPinNum = 2; | |
1383 | *pGroupNum = 0; | |
1384 | *pGroupCfg = 2; | |
1385 | } else if (PinNum >= 7 && PinNum <= 11) { | |
1386 | *pTranslatedPinNum = 7; | |
1387 | *pGroupNum = 1; | |
1388 | } else if (PinNum >= 12 && PinNum <= 15) { | |
1389 | *pTranslatedPinNum = 12; | |
1390 | *pGroupNum = 2; | |
1391 | *pGroupCfg = 3; | |
1392 | } else if (PinNum == 16) { | |
1393 | *pTranslatedPinNum = 16; | |
1394 | *pGroupNum = 23; | |
1395 | } else if (PinNum >= 17 && PinNum <= 24) { | |
1396 | *pTranslatedPinNum = 17; | |
1397 | *pGroupNum = 3; | |
1398 | } else if (PinNum == 25) { | |
1399 | *pTranslatedPinNum = 25; | |
1400 | *pGroupNum = 6; | |
1401 | } else if (PinNum >= 26 && PinNum <= 28) { | |
1402 | *pTranslatedPinNum = 26; | |
1403 | *pGroupNum = 4; | |
1404 | } else if (PinNum == 29) { | |
1405 | *pTranslatedPinNum = 29; | |
1406 | *pGroupNum = 5; | |
1407 | *pGroupCfg = 2; | |
1408 | } else if (PinNum == 30) { | |
1409 | *pTranslatedPinNum = 30; | |
1410 | *pGroupNum = 8; | |
1411 | } else if (PinNum == 31) { | |
1412 | *pTranslatedPinNum = 31; | |
1413 | *pGroupNum = 17; | |
1414 | } else | |
1415 | return -1; | |
1416 | ||
1417 | *pGroupCfg <<= 24; | |
1418 | ||
1419 | return 0; | |
1420 | } | |
1421 | ||
1422 | int smscore_gpio_configure(struct smscore_device_t *coredev, u8 PinNum, | |
1423 | struct smscore_gpio_config *pGpioConfig) { | |
1424 | ||
1425 | u32 totalLen; | |
be5daa9b HV |
1426 | u32 TranslatedPinNum = 0; |
1427 | u32 GroupNum = 0; | |
7c4ca79f US |
1428 | u32 ElectricChar; |
1429 | u32 groupCfg; | |
1430 | void *buffer; | |
1431 | int rc; | |
1432 | ||
1433 | struct SetGpioMsg { | |
1434 | struct SmsMsgHdr_ST xMsgHeader; | |
1435 | u32 msgData[6]; | |
1436 | } *pMsg; | |
1437 | ||
1438 | ||
1439 | if (PinNum > MAX_GPIO_PIN_NUMBER) | |
1440 | return -EINVAL; | |
1441 | ||
1442 | if (pGpioConfig == NULL) | |
1443 | return -EINVAL; | |
1444 | ||
1445 | totalLen = sizeof(struct SmsMsgHdr_ST) + (sizeof(u32) * 6); | |
1446 | ||
1447 | buffer = kmalloc(totalLen + SMS_DMA_ALIGNMENT, | |
1448 | GFP_KERNEL | GFP_DMA); | |
1449 | if (!buffer) | |
1450 | return -ENOMEM; | |
1451 | ||
1452 | pMsg = (struct SetGpioMsg *) SMS_ALIGN_ADDRESS(buffer); | |
1453 | ||
1454 | pMsg->xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; | |
1455 | pMsg->xMsgHeader.msgDstId = HIF_TASK; | |
1456 | pMsg->xMsgHeader.msgFlags = 0; | |
1457 | pMsg->xMsgHeader.msgLength = (u16) totalLen; | |
1458 | pMsg->msgData[0] = PinNum; | |
1459 | ||
1460 | if (!(coredev->device_flags & SMS_DEVICE_FAMILY2)) { | |
1461 | pMsg->xMsgHeader.msgType = MSG_SMS_GPIO_CONFIG_REQ; | |
1462 | if (GetGpioPinParams(PinNum, &TranslatedPinNum, &GroupNum, | |
b46d37e6 JS |
1463 | &groupCfg) != 0) { |
1464 | rc = -EINVAL; | |
1465 | goto free; | |
1466 | } | |
7c4ca79f US |
1467 | |
1468 | pMsg->msgData[1] = TranslatedPinNum; | |
1469 | pMsg->msgData[2] = GroupNum; | |
1470 | ElectricChar = (pGpioConfig->PullUpDown) | |
1471 | | (pGpioConfig->InputCharacteristics << 2) | |
1472 | | (pGpioConfig->OutputSlewRate << 3) | |
1473 | | (pGpioConfig->OutputDriving << 4); | |
1474 | pMsg->msgData[3] = ElectricChar; | |
1475 | pMsg->msgData[4] = pGpioConfig->Direction; | |
1476 | pMsg->msgData[5] = groupCfg; | |
1477 | } else { | |
1478 | pMsg->xMsgHeader.msgType = MSG_SMS_GPIO_CONFIG_EX_REQ; | |
1479 | pMsg->msgData[1] = pGpioConfig->PullUpDown; | |
1480 | pMsg->msgData[2] = pGpioConfig->OutputSlewRate; | |
1481 | pMsg->msgData[3] = pGpioConfig->OutputDriving; | |
1482 | pMsg->msgData[4] = pGpioConfig->Direction; | |
1483 | pMsg->msgData[5] = 0; | |
1484 | } | |
1485 | ||
1486 | smsendian_handle_tx_message((struct SmsMsgHdr_ST *)pMsg); | |
1487 | rc = smscore_sendrequest_and_wait(coredev, pMsg, totalLen, | |
1488 | &coredev->gpio_configuration_done); | |
1489 | ||
1490 | if (rc != 0) { | |
1491 | if (rc == -ETIME) | |
1492 | sms_err("smscore_gpio_configure timeout"); | |
1493 | else | |
1494 | sms_err("smscore_gpio_configure error"); | |
1495 | } | |
b46d37e6 | 1496 | free: |
7c4ca79f US |
1497 | kfree(buffer); |
1498 | ||
1499 | return rc; | |
1500 | } | |
1501 | ||
1502 | int smscore_gpio_set_level(struct smscore_device_t *coredev, u8 PinNum, | |
1503 | u8 NewLevel) { | |
1504 | ||
1505 | u32 totalLen; | |
1506 | int rc; | |
1507 | void *buffer; | |
1508 | ||
1509 | struct SetGpioMsg { | |
1510 | struct SmsMsgHdr_ST xMsgHeader; | |
1511 | u32 msgData[3]; /* keep it 3 ! */ | |
1512 | } *pMsg; | |
1513 | ||
1514 | if ((NewLevel > 1) || (PinNum > MAX_GPIO_PIN_NUMBER) || | |
1515 | (PinNum > MAX_GPIO_PIN_NUMBER)) | |
1516 | return -EINVAL; | |
1517 | ||
1518 | totalLen = sizeof(struct SmsMsgHdr_ST) + | |
1519 | (3 * sizeof(u32)); /* keep it 3 ! */ | |
1520 | ||
1521 | buffer = kmalloc(totalLen + SMS_DMA_ALIGNMENT, | |
1522 | GFP_KERNEL | GFP_DMA); | |
1523 | if (!buffer) | |
1524 | return -ENOMEM; | |
1525 | ||
1526 | pMsg = (struct SetGpioMsg *) SMS_ALIGN_ADDRESS(buffer); | |
1527 | ||
1528 | pMsg->xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; | |
1529 | pMsg->xMsgHeader.msgDstId = HIF_TASK; | |
1530 | pMsg->xMsgHeader.msgFlags = 0; | |
1531 | pMsg->xMsgHeader.msgType = MSG_SMS_GPIO_SET_LEVEL_REQ; | |
1532 | pMsg->xMsgHeader.msgLength = (u16) totalLen; | |
1533 | pMsg->msgData[0] = PinNum; | |
1534 | pMsg->msgData[1] = NewLevel; | |
1535 | ||
1536 | /* Send message to SMS */ | |
1537 | smsendian_handle_tx_message((struct SmsMsgHdr_ST *)pMsg); | |
1538 | rc = smscore_sendrequest_and_wait(coredev, pMsg, totalLen, | |
1539 | &coredev->gpio_set_level_done); | |
1540 | ||
1541 | if (rc != 0) { | |
1542 | if (rc == -ETIME) | |
1543 | sms_err("smscore_gpio_set_level timeout"); | |
1544 | else | |
1545 | sms_err("smscore_gpio_set_level error"); | |
1546 | } | |
1547 | kfree(buffer); | |
1548 | ||
1549 | return rc; | |
1550 | } | |
1551 | ||
1552 | int smscore_gpio_get_level(struct smscore_device_t *coredev, u8 PinNum, | |
1553 | u8 *level) { | |
1554 | ||
1555 | u32 totalLen; | |
1556 | int rc; | |
1557 | void *buffer; | |
1558 | ||
1559 | struct SetGpioMsg { | |
1560 | struct SmsMsgHdr_ST xMsgHeader; | |
1561 | u32 msgData[2]; | |
1562 | } *pMsg; | |
1563 | ||
1564 | ||
1565 | if (PinNum > MAX_GPIO_PIN_NUMBER) | |
1566 | return -EINVAL; | |
1567 | ||
1568 | totalLen = sizeof(struct SmsMsgHdr_ST) + (2 * sizeof(u32)); | |
1569 | ||
1570 | buffer = kmalloc(totalLen + SMS_DMA_ALIGNMENT, | |
1571 | GFP_KERNEL | GFP_DMA); | |
1572 | if (!buffer) | |
1573 | return -ENOMEM; | |
1574 | ||
1575 | pMsg = (struct SetGpioMsg *) SMS_ALIGN_ADDRESS(buffer); | |
1576 | ||
1577 | pMsg->xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; | |
1578 | pMsg->xMsgHeader.msgDstId = HIF_TASK; | |
1579 | pMsg->xMsgHeader.msgFlags = 0; | |
1580 | pMsg->xMsgHeader.msgType = MSG_SMS_GPIO_GET_LEVEL_REQ; | |
1581 | pMsg->xMsgHeader.msgLength = (u16) totalLen; | |
1582 | pMsg->msgData[0] = PinNum; | |
1583 | pMsg->msgData[1] = 0; | |
1584 | ||
1585 | /* Send message to SMS */ | |
1586 | smsendian_handle_tx_message((struct SmsMsgHdr_ST *)pMsg); | |
1587 | rc = smscore_sendrequest_and_wait(coredev, pMsg, totalLen, | |
1588 | &coredev->gpio_get_level_done); | |
1589 | ||
1590 | if (rc != 0) { | |
1591 | if (rc == -ETIME) | |
1592 | sms_err("smscore_gpio_get_level timeout"); | |
1593 | else | |
1594 | sms_err("smscore_gpio_get_level error"); | |
1595 | } | |
1596 | kfree(buffer); | |
1597 | ||
1598 | /* Its a race between other gpio_get_level() and the copy of the single | |
1599 | * global 'coredev->gpio_get_res' to the function's variable 'level' | |
1600 | */ | |
1601 | *level = coredev->gpio_get_res; | |
1602 | ||
1603 | return rc; | |
1604 | } | |
1605 | ||
c5e0bd1a | 1606 | static int __init smscore_module_init(void) |
2e5c1ec8 | 1607 | { |
c6465799 | 1608 | int rc = 0; |
2e5c1ec8 MK |
1609 | |
1610 | INIT_LIST_HEAD(&g_smscore_notifyees); | |
1611 | INIT_LIST_HEAD(&g_smscore_devices); | |
1612 | kmutex_init(&g_smscore_deviceslock); | |
1613 | ||
1614 | INIT_LIST_HEAD(&g_smscore_registry); | |
1615 | kmutex_init(&g_smscore_registrylock); | |
1616 | ||
2e5c1ec8 MK |
1617 | return rc; |
1618 | } | |
1619 | ||
c5e0bd1a | 1620 | static void __exit smscore_module_exit(void) |
2e5c1ec8 | 1621 | { |
2e5c1ec8 | 1622 | kmutex_lock(&g_smscore_deviceslock); |
82237416 | 1623 | while (!list_empty(&g_smscore_notifyees)) { |
18245e18 MK |
1624 | struct smscore_device_notifyee_t *notifyee = |
1625 | (struct smscore_device_notifyee_t *) | |
1626 | g_smscore_notifyees.next; | |
2e5c1ec8 MK |
1627 | |
1628 | list_del(¬ifyee->entry); | |
1629 | kfree(notifyee); | |
1630 | } | |
1631 | kmutex_unlock(&g_smscore_deviceslock); | |
1632 | ||
1633 | kmutex_lock(&g_smscore_registrylock); | |
82237416 | 1634 | while (!list_empty(&g_smscore_registry)) { |
18245e18 MK |
1635 | struct smscore_registry_entry_t *entry = |
1636 | (struct smscore_registry_entry_t *) | |
1637 | g_smscore_registry.next; | |
2e5c1ec8 MK |
1638 | |
1639 | list_del(&entry->entry); | |
1640 | kfree(entry); | |
1641 | } | |
1642 | kmutex_unlock(&g_smscore_registrylock); | |
1643 | ||
a0c0abcb | 1644 | sms_debug(""); |
2e5c1ec8 MK |
1645 | } |
1646 | ||
1647 | module_init(smscore_module_init); | |
1648 | module_exit(smscore_module_exit); | |
1649 | ||
e0f14c25 US |
1650 | MODULE_DESCRIPTION("Siano MDTV Core module"); |
1651 | MODULE_AUTHOR("Siano Mobile Silicon, Inc. (uris@siano-ms.com)"); | |
2e5c1ec8 | 1652 | MODULE_LICENSE("GPL"); |