smsdvb-main.c 31 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120112111221123112411251126112711281129113011311132113311341135113611371138113911401141114211431144114511461147114811491150115111521153115411551156115711581159116011611162116311641165116611671168116911701171117211731174117511761177117811791180118111821183118411851186118711881189
  1. /****************************************************************
  2. Siano Mobile Silicon, Inc.
  3. MDTV receiver kernel modules.
  4. Copyright (C) 2006-2008, Uri Shkolnik
  5. This program is free software: you can redistribute it and/or modify
  6. it under the terms of the GNU General Public License as published by
  7. the Free Software Foundation, either version 2 of the License, or
  8. (at your option) any later version.
  9. This program is distributed in the hope that it will be useful,
  10. but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. GNU General Public License for more details.
  13. You should have received a copy of the GNU General Public License
  14. along with this program. If not, see <http://www.gnu.org/licenses/>.
  15. ****************************************************************/
  16. #include <linux/module.h>
  17. #include <linux/slab.h>
  18. #include <linux/init.h>
  19. #include "dmxdev.h"
  20. #include "dvbdev.h"
  21. #include "dvb_demux.h"
  22. #include "dvb_frontend.h"
  23. #include "smscoreapi.h"
  24. #include "sms-cards.h"
  25. #include "smsdvb.h"
  26. DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  27. static struct list_head g_smsdvb_clients;
  28. static struct mutex g_smsdvb_clientslock;
  29. static int sms_dbg;
  30. module_param_named(debug, sms_dbg, int, 0644);
  31. MODULE_PARM_DESC(debug, "set debug level (info=1, adv=2 (or-able))");
  32. u32 sms_to_bw_table[] = {
  33. [BW_8_MHZ] = 8000000,
  34. [BW_7_MHZ] = 7000000,
  35. [BW_6_MHZ] = 6000000,
  36. [BW_5_MHZ] = 5000000,
  37. [BW_2_MHZ] = 2000000,
  38. [BW_1_5_MHZ] = 1500000,
  39. [BW_ISDBT_1SEG] = 6000000,
  40. [BW_ISDBT_3SEG] = 6000000,
  41. [BW_ISDBT_13SEG] = 6000000,
  42. };
  43. u32 sms_to_guard_interval_table[] = {
  44. [0] = GUARD_INTERVAL_1_32,
  45. [1] = GUARD_INTERVAL_1_16,
  46. [2] = GUARD_INTERVAL_1_8,
  47. [3] = GUARD_INTERVAL_1_4,
  48. };
  49. u32 sms_to_code_rate_table[] = {
  50. [0] = FEC_1_2,
  51. [1] = FEC_2_3,
  52. [2] = FEC_3_4,
  53. [3] = FEC_5_6,
  54. [4] = FEC_7_8,
  55. };
  56. u32 sms_to_hierarchy_table[] = {
  57. [0] = HIERARCHY_NONE,
  58. [1] = HIERARCHY_1,
  59. [2] = HIERARCHY_2,
  60. [3] = HIERARCHY_4,
  61. };
  62. u32 sms_to_modulation_table[] = {
  63. [0] = QPSK,
  64. [1] = QAM_16,
  65. [2] = QAM_64,
  66. [3] = DQPSK,
  67. };
  68. /* Events that may come from DVB v3 adapter */
  69. static void sms_board_dvb3_event(struct smsdvb_client_t *client,
  70. enum SMS_DVB3_EVENTS event) {
  71. struct smscore_device_t *coredev = client->coredev;
  72. switch (event) {
  73. case DVB3_EVENT_INIT:
  74. sms_debug("DVB3_EVENT_INIT");
  75. sms_board_event(coredev, BOARD_EVENT_BIND);
  76. break;
  77. case DVB3_EVENT_SLEEP:
  78. sms_debug("DVB3_EVENT_SLEEP");
  79. sms_board_event(coredev, BOARD_EVENT_POWER_SUSPEND);
  80. break;
  81. case DVB3_EVENT_HOTPLUG:
  82. sms_debug("DVB3_EVENT_HOTPLUG");
  83. sms_board_event(coredev, BOARD_EVENT_POWER_INIT);
  84. break;
  85. case DVB3_EVENT_FE_LOCK:
  86. if (client->event_fe_state != DVB3_EVENT_FE_LOCK) {
  87. client->event_fe_state = DVB3_EVENT_FE_LOCK;
  88. sms_debug("DVB3_EVENT_FE_LOCK");
  89. sms_board_event(coredev, BOARD_EVENT_FE_LOCK);
  90. }
  91. break;
  92. case DVB3_EVENT_FE_UNLOCK:
  93. if (client->event_fe_state != DVB3_EVENT_FE_UNLOCK) {
  94. client->event_fe_state = DVB3_EVENT_FE_UNLOCK;
  95. sms_debug("DVB3_EVENT_FE_UNLOCK");
  96. sms_board_event(coredev, BOARD_EVENT_FE_UNLOCK);
  97. }
  98. break;
  99. case DVB3_EVENT_UNC_OK:
  100. if (client->event_unc_state != DVB3_EVENT_UNC_OK) {
  101. client->event_unc_state = DVB3_EVENT_UNC_OK;
  102. sms_debug("DVB3_EVENT_UNC_OK");
  103. sms_board_event(coredev, BOARD_EVENT_MULTIPLEX_OK);
  104. }
  105. break;
  106. case DVB3_EVENT_UNC_ERR:
  107. if (client->event_unc_state != DVB3_EVENT_UNC_ERR) {
  108. client->event_unc_state = DVB3_EVENT_UNC_ERR;
  109. sms_debug("DVB3_EVENT_UNC_ERR");
  110. sms_board_event(coredev, BOARD_EVENT_MULTIPLEX_ERRORS);
  111. }
  112. break;
  113. default:
  114. sms_err("Unknown dvb3 api event");
  115. break;
  116. }
  117. }
  118. static void smsdvb_stats_not_ready(struct dvb_frontend *fe)
  119. {
  120. struct smsdvb_client_t *client =
  121. container_of(fe, struct smsdvb_client_t, frontend);
  122. struct smscore_device_t *coredev = client->coredev;
  123. struct dtv_frontend_properties *c = &fe->dtv_property_cache;
  124. int i, n_layers;
  125. switch (smscore_get_device_mode(coredev)) {
  126. case DEVICE_MODE_ISDBT:
  127. case DEVICE_MODE_ISDBT_BDA:
  128. n_layers = 4;
  129. default:
  130. n_layers = 1;
  131. }
  132. /* Fill the length of each status counter */
  133. /* Only global stats */
  134. c->strength.len = 1;
  135. c->cnr.len = 1;
  136. /* Per-layer stats */
  137. c->post_bit_error.len = n_layers;
  138. c->post_bit_count.len = n_layers;
  139. c->block_error.len = n_layers;
  140. c->block_count.len = n_layers;
  141. /* Signal is always available */
  142. c->strength.stat[0].scale = FE_SCALE_RELATIVE;
  143. c->strength.stat[0].uvalue = 0;
  144. /* Put all of them at FE_SCALE_NOT_AVAILABLE */
  145. for (i = 0; i < n_layers; i++) {
  146. c->cnr.stat[i].scale = FE_SCALE_NOT_AVAILABLE;
  147. c->post_bit_error.stat[i].scale = FE_SCALE_NOT_AVAILABLE;
  148. c->post_bit_count.stat[i].scale = FE_SCALE_NOT_AVAILABLE;
  149. c->block_error.stat[i].scale = FE_SCALE_NOT_AVAILABLE;
  150. c->block_count.stat[i].scale = FE_SCALE_NOT_AVAILABLE;
  151. }
  152. }
  153. static inline int sms_to_mode(u32 mode)
  154. {
  155. switch (mode) {
  156. case 2:
  157. return TRANSMISSION_MODE_2K;
  158. case 4:
  159. return TRANSMISSION_MODE_4K;
  160. case 8:
  161. return TRANSMISSION_MODE_8K;
  162. }
  163. return TRANSMISSION_MODE_AUTO;
  164. }
  165. static inline int sms_to_status(u32 is_demod_locked, u32 is_rf_locked)
  166. {
  167. if (is_demod_locked)
  168. return FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI |
  169. FE_HAS_SYNC | FE_HAS_LOCK;
  170. if (is_rf_locked)
  171. return FE_HAS_SIGNAL | FE_HAS_CARRIER;
  172. return 0;
  173. }
  174. #define convert_from_table(value, table, defval) ({ \
  175. u32 __ret; \
  176. if (value < ARRAY_SIZE(table)) \
  177. __ret = table[value]; \
  178. else \
  179. __ret = defval; \
  180. __ret; \
  181. })
  182. #define sms_to_bw(value) \
  183. convert_from_table(value, sms_to_bw_table, 0);
  184. #define sms_to_guard_interval(value) \
  185. convert_from_table(value, sms_to_guard_interval_table, \
  186. GUARD_INTERVAL_AUTO);
  187. #define sms_to_code_rate(value) \
  188. convert_from_table(value, sms_to_code_rate_table, \
  189. FEC_NONE);
  190. #define sms_to_hierarchy(value) \
  191. convert_from_table(value, sms_to_hierarchy_table, \
  192. FEC_NONE);
  193. #define sms_to_modulation(value) \
  194. convert_from_table(value, sms_to_modulation_table, \
  195. FEC_NONE);
  196. static void smsdvb_update_tx_params(struct smsdvb_client_t *client,
  197. struct TRANSMISSION_STATISTICS_S *p)
  198. {
  199. struct dvb_frontend *fe = &client->frontend;
  200. struct dtv_frontend_properties *c = &fe->dtv_property_cache;
  201. c->frequency = p->Frequency;
  202. client->fe_status = sms_to_status(p->IsDemodLocked, 0);
  203. c->bandwidth_hz = sms_to_bw(p->Bandwidth);
  204. c->transmission_mode = sms_to_mode(p->TransmissionMode);
  205. c->guard_interval = sms_to_guard_interval(p->GuardInterval);
  206. c->code_rate_HP = sms_to_code_rate(p->CodeRate);
  207. c->code_rate_LP = sms_to_code_rate(p->LPCodeRate);
  208. c->hierarchy = sms_to_hierarchy(p->Hierarchy);
  209. c->modulation = sms_to_modulation(p->Constellation);
  210. }
  211. static void smsdvb_update_per_slices(struct smsdvb_client_t *client,
  212. struct RECEPTION_STATISTICS_PER_SLICES_S *p)
  213. {
  214. struct dvb_frontend *fe = &client->frontend;
  215. struct dtv_frontend_properties *c = &fe->dtv_property_cache;
  216. client->fe_status = sms_to_status(p->IsDemodLocked, p->IsRfLocked);
  217. c->modulation = sms_to_modulation(p->constellation);
  218. /* TS PER */
  219. client->last_per = c->block_error.stat[0].uvalue;
  220. c->block_error.stat[0].scale = FE_SCALE_COUNTER;
  221. c->block_count.stat[0].scale = FE_SCALE_COUNTER;
  222. c->block_error.stat[0].uvalue += p->etsPackets;
  223. c->block_count.stat[0].uvalue += p->etsPackets + p->tsPackets;
  224. /* BER */
  225. c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
  226. c->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
  227. c->post_bit_error.stat[0].uvalue += p->BERErrorCount;
  228. c->post_bit_count.stat[0].uvalue += p->BERBitCount;
  229. /* Legacy PER/BER */
  230. client->legacy_per = (p->etsPackets * 65535) /
  231. (p->tsPackets + p->etsPackets);
  232. /* Signal Strength, in DBm */
  233. c->strength.stat[0].uvalue = p->RSSI * 1000;
  234. /* Carrier to Noise ratio, in DB */
  235. c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
  236. c->cnr.stat[0].svalue = p->snr * 1000;
  237. }
  238. static void smsdvb_update_dvb_stats(struct smsdvb_client_t *client,
  239. struct SMSHOSTLIB_STATISTICS_ST *p)
  240. {
  241. struct dvb_frontend *fe = &client->frontend;
  242. struct dtv_frontend_properties *c = &fe->dtv_property_cache;
  243. if (client->prt_dvb_stats)
  244. client->prt_dvb_stats(client->debug_data, p);
  245. client->fe_status = sms_to_status(p->IsDemodLocked, p->IsRfLocked);
  246. /* Update DVB modulation parameters */
  247. c->frequency = p->Frequency;
  248. client->fe_status = sms_to_status(p->IsDemodLocked, 0);
  249. c->bandwidth_hz = sms_to_bw(p->Bandwidth);
  250. c->transmission_mode = sms_to_mode(p->TransmissionMode);
  251. c->guard_interval = sms_to_guard_interval(p->GuardInterval);
  252. c->code_rate_HP = sms_to_code_rate(p->CodeRate);
  253. c->code_rate_LP = sms_to_code_rate(p->LPCodeRate);
  254. c->hierarchy = sms_to_hierarchy(p->Hierarchy);
  255. c->modulation = sms_to_modulation(p->Constellation);
  256. /* update reception data */
  257. c->lna = p->IsExternalLNAOn ? 1 : 0;
  258. /* Carrier to Noise ratio, in DB */
  259. c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
  260. c->cnr.stat[0].svalue = p->SNR * 1000;
  261. /* Signal Strength, in DBm */
  262. c->strength.stat[0].uvalue = p->RSSI * 1000;
  263. /* TS PER */
  264. client->last_per = c->block_error.stat[0].uvalue;
  265. c->block_error.stat[0].scale = FE_SCALE_COUNTER;
  266. c->block_count.stat[0].scale = FE_SCALE_COUNTER;
  267. c->block_error.stat[0].uvalue += p->ErrorTSPackets;
  268. c->block_count.stat[0].uvalue += p->TotalTSPackets;
  269. /* BER */
  270. c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
  271. c->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
  272. c->post_bit_error.stat[0].uvalue += p->BERErrorCount;
  273. c->post_bit_count.stat[0].uvalue += p->BERBitCount;
  274. /* Legacy PER/BER */
  275. client->legacy_ber = p->BER;
  276. };
  277. static void smsdvb_update_isdbt_stats(struct smsdvb_client_t *client,
  278. struct SMSHOSTLIB_STATISTICS_ISDBT_ST *p)
  279. {
  280. struct dvb_frontend *fe = &client->frontend;
  281. struct dtv_frontend_properties *c = &fe->dtv_property_cache;
  282. struct SMSHOSTLIB_ISDBT_LAYER_STAT_ST *lr;
  283. int i, n_layers;
  284. if (client->prt_isdb_stats)
  285. client->prt_isdb_stats(client->debug_data, p);
  286. /* Update ISDB-T transmission parameters */
  287. c->frequency = p->Frequency;
  288. client->fe_status = sms_to_status(p->IsDemodLocked, 0);
  289. c->bandwidth_hz = sms_to_bw(p->Bandwidth);
  290. c->transmission_mode = sms_to_mode(p->TransmissionMode);
  291. c->guard_interval = sms_to_guard_interval(p->GuardInterval);
  292. c->isdbt_partial_reception = p->PartialReception ? 1 : 0;
  293. n_layers = p->NumOfLayers;
  294. if (n_layers < 1)
  295. n_layers = 1;
  296. if (n_layers > 3)
  297. n_layers = 3;
  298. c->isdbt_layer_enabled = 0;
  299. /* update reception data */
  300. c->lna = p->IsExternalLNAOn ? 1 : 0;
  301. /* Carrier to Noise ratio, in DB */
  302. c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
  303. c->cnr.stat[0].svalue = p->SNR * 1000;
  304. /* Signal Strength, in DBm */
  305. c->strength.stat[0].uvalue = p->RSSI * 1000;
  306. client->last_per = c->block_error.stat[0].uvalue;
  307. /* Clears global counters, as the code below will sum it again */
  308. c->block_error.stat[0].uvalue = 0;
  309. c->block_count.stat[0].uvalue = 0;
  310. c->post_bit_error.stat[0].uvalue = 0;
  311. c->post_bit_count.stat[0].uvalue = 0;
  312. for (i = 0; i < n_layers; i++) {
  313. lr = &p->LayerInfo[i];
  314. /* Update per-layer transmission parameters */
  315. if (lr->NumberOfSegments > 0 && lr->NumberOfSegments < 13) {
  316. c->isdbt_layer_enabled |= 1 << i;
  317. c->layer[i].segment_count = lr->NumberOfSegments;
  318. } else {
  319. continue;
  320. }
  321. c->layer[i].modulation = sms_to_modulation(lr->Constellation);
  322. /* TS PER */
  323. c->block_error.stat[i].scale = FE_SCALE_COUNTER;
  324. c->block_count.stat[i].scale = FE_SCALE_COUNTER;
  325. c->block_error.stat[i].uvalue += lr->ErrorTSPackets;
  326. c->block_count.stat[i].uvalue += lr->TotalTSPackets;
  327. /* Update global PER counter */
  328. c->block_error.stat[0].uvalue += lr->ErrorTSPackets;
  329. c->block_count.stat[0].uvalue += lr->TotalTSPackets;
  330. /* BER */
  331. c->post_bit_error.stat[i].scale = FE_SCALE_COUNTER;
  332. c->post_bit_count.stat[i].scale = FE_SCALE_COUNTER;
  333. c->post_bit_error.stat[i].uvalue += lr->BERErrorCount;
  334. c->post_bit_count.stat[i].uvalue += lr->BERBitCount;
  335. /* Update global BER counter */
  336. c->post_bit_error.stat[0].uvalue += lr->BERErrorCount;
  337. c->post_bit_count.stat[0].uvalue += lr->BERBitCount;
  338. }
  339. }
  340. static void smsdvb_update_isdbt_stats_ex(struct smsdvb_client_t *client,
  341. struct SMSHOSTLIB_STATISTICS_ISDBT_EX_ST *p)
  342. {
  343. struct dvb_frontend *fe = &client->frontend;
  344. struct dtv_frontend_properties *c = &fe->dtv_property_cache;
  345. struct SMSHOSTLIB_ISDBT_LAYER_STAT_ST *lr;
  346. int i, n_layers;
  347. if (client->prt_isdb_stats_ex)
  348. client->prt_isdb_stats_ex(client->debug_data, p);
  349. /* Update ISDB-T transmission parameters */
  350. c->frequency = p->Frequency;
  351. client->fe_status = sms_to_status(p->IsDemodLocked, 0);
  352. c->bandwidth_hz = sms_to_bw(p->Bandwidth);
  353. c->transmission_mode = sms_to_mode(p->TransmissionMode);
  354. c->guard_interval = sms_to_guard_interval(p->GuardInterval);
  355. c->isdbt_partial_reception = p->PartialReception ? 1 : 0;
  356. n_layers = p->NumOfLayers;
  357. if (n_layers < 1)
  358. n_layers = 1;
  359. if (n_layers > 3)
  360. n_layers = 3;
  361. c->isdbt_layer_enabled = 0;
  362. /* update reception data */
  363. c->lna = p->IsExternalLNAOn ? 1 : 0;
  364. /* Carrier to Noise ratio, in DB */
  365. c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
  366. c->cnr.stat[0].svalue = p->SNR * 1000;
  367. /* Signal Strength, in DBm */
  368. c->strength.stat[0].uvalue = p->RSSI * 1000;
  369. client->last_per = c->block_error.stat[0].uvalue;
  370. /* Clears global counters, as the code below will sum it again */
  371. c->block_error.stat[0].uvalue = 0;
  372. c->block_count.stat[0].uvalue = 0;
  373. c->post_bit_error.stat[0].uvalue = 0;
  374. c->post_bit_count.stat[0].uvalue = 0;
  375. for (i = 0; i < n_layers; i++) {
  376. lr = &p->LayerInfo[i];
  377. /* Update per-layer transmission parameters */
  378. if (lr->NumberOfSegments > 0 && lr->NumberOfSegments < 13) {
  379. c->isdbt_layer_enabled |= 1 << i;
  380. c->layer[i].segment_count = lr->NumberOfSegments;
  381. } else {
  382. continue;
  383. }
  384. c->layer[i].modulation = sms_to_modulation(lr->Constellation);
  385. /* TS PER */
  386. c->block_error.stat[i].scale = FE_SCALE_COUNTER;
  387. c->block_count.stat[i].scale = FE_SCALE_COUNTER;
  388. c->block_error.stat[i].uvalue += lr->ErrorTSPackets;
  389. c->block_count.stat[i].uvalue += lr->TotalTSPackets;
  390. /* Update global PER counter */
  391. c->block_error.stat[0].uvalue += lr->ErrorTSPackets;
  392. c->block_count.stat[0].uvalue += lr->TotalTSPackets;
  393. /* BER */
  394. c->post_bit_error.stat[i].scale = FE_SCALE_COUNTER;
  395. c->post_bit_count.stat[i].scale = FE_SCALE_COUNTER;
  396. c->post_bit_error.stat[i].uvalue += lr->BERErrorCount;
  397. c->post_bit_count.stat[i].uvalue += lr->BERBitCount;
  398. /* Update global BER counter */
  399. c->post_bit_error.stat[0].uvalue += lr->BERErrorCount;
  400. c->post_bit_count.stat[0].uvalue += lr->BERBitCount;
  401. }
  402. }
  403. static int smsdvb_onresponse(void *context, struct smscore_buffer_t *cb)
  404. {
  405. struct smsdvb_client_t *client = (struct smsdvb_client_t *) context;
  406. struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) (((u8 *) cb->p)
  407. + cb->offset);
  408. void *p = phdr + 1;
  409. struct dvb_frontend *fe = &client->frontend;
  410. struct dtv_frontend_properties *c = &fe->dtv_property_cache;
  411. bool is_status_update = false;
  412. switch (phdr->msgType) {
  413. case MSG_SMS_DVBT_BDA_DATA:
  414. dvb_dmx_swfilter(&client->demux, p,
  415. cb->size - sizeof(struct SmsMsgHdr_ST));
  416. break;
  417. case MSG_SMS_RF_TUNE_RES:
  418. case MSG_SMS_ISDBT_TUNE_RES:
  419. complete(&client->tune_done);
  420. break;
  421. case MSG_SMS_SIGNAL_DETECTED_IND:
  422. client->fe_status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
  423. FE_HAS_VITERBI | FE_HAS_SYNC |
  424. FE_HAS_LOCK;
  425. is_status_update = true;
  426. break;
  427. case MSG_SMS_NO_SIGNAL_IND:
  428. client->fe_status = 0;
  429. is_status_update = true;
  430. break;
  431. case MSG_SMS_TRANSMISSION_IND:
  432. smsdvb_update_tx_params(client, p);
  433. is_status_update = true;
  434. break;
  435. case MSG_SMS_HO_PER_SLICES_IND:
  436. smsdvb_update_per_slices(client, p);
  437. is_status_update = true;
  438. break;
  439. case MSG_SMS_GET_STATISTICS_RES:
  440. switch (smscore_get_device_mode(client->coredev)) {
  441. case DEVICE_MODE_ISDBT:
  442. case DEVICE_MODE_ISDBT_BDA:
  443. smsdvb_update_isdbt_stats(client, p);
  444. break;
  445. default:
  446. /* Skip SmsMsgStatisticsInfo_ST:RequestResult field */
  447. smsdvb_update_dvb_stats(client, p + sizeof(u32));
  448. }
  449. is_status_update = true;
  450. break;
  451. /* Only for ISDB-T */
  452. case MSG_SMS_GET_STATISTICS_EX_RES:
  453. /* Skip SmsMsgStatisticsInfo_ST:RequestResult field? */
  454. smsdvb_update_isdbt_stats_ex(client, p + sizeof(u32));
  455. is_status_update = true;
  456. break;
  457. default:
  458. sms_info("message not handled");
  459. }
  460. smscore_putbuffer(client->coredev, cb);
  461. if (is_status_update) {
  462. if (client->fe_status == FE_HAS_LOCK) {
  463. sms_board_dvb3_event(client, DVB3_EVENT_FE_LOCK);
  464. if (client->last_per == c->block_error.stat[0].uvalue)
  465. sms_board_dvb3_event(client, DVB3_EVENT_UNC_OK);
  466. else
  467. sms_board_dvb3_event(client, DVB3_EVENT_UNC_ERR);
  468. } else {
  469. smsdvb_stats_not_ready(fe);
  470. sms_board_dvb3_event(client, DVB3_EVENT_FE_UNLOCK);
  471. }
  472. complete(&client->stats_done);
  473. }
  474. return 0;
  475. }
  476. static void smsdvb_unregister_client(struct smsdvb_client_t *client)
  477. {
  478. /* must be called under clientslock */
  479. list_del(&client->entry);
  480. smsdvb_debugfs_release(client);
  481. smscore_unregister_client(client->smsclient);
  482. dvb_unregister_frontend(&client->frontend);
  483. dvb_dmxdev_release(&client->dmxdev);
  484. dvb_dmx_release(&client->demux);
  485. dvb_unregister_adapter(&client->adapter);
  486. kfree(client);
  487. }
  488. static void smsdvb_onremove(void *context)
  489. {
  490. kmutex_lock(&g_smsdvb_clientslock);
  491. smsdvb_unregister_client((struct smsdvb_client_t *) context);
  492. kmutex_unlock(&g_smsdvb_clientslock);
  493. }
  494. static int smsdvb_start_feed(struct dvb_demux_feed *feed)
  495. {
  496. struct smsdvb_client_t *client =
  497. container_of(feed->demux, struct smsdvb_client_t, demux);
  498. struct SmsMsgData_ST PidMsg;
  499. sms_debug("add pid %d(%x)",
  500. feed->pid, feed->pid);
  501. PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
  502. PidMsg.xMsgHeader.msgDstId = HIF_TASK;
  503. PidMsg.xMsgHeader.msgFlags = 0;
  504. PidMsg.xMsgHeader.msgType = MSG_SMS_ADD_PID_FILTER_REQ;
  505. PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
  506. PidMsg.msgData[0] = feed->pid;
  507. return smsclient_sendrequest(client->smsclient,
  508. &PidMsg, sizeof(PidMsg));
  509. }
  510. static int smsdvb_stop_feed(struct dvb_demux_feed *feed)
  511. {
  512. struct smsdvb_client_t *client =
  513. container_of(feed->demux, struct smsdvb_client_t, demux);
  514. struct SmsMsgData_ST PidMsg;
  515. sms_debug("remove pid %d(%x)",
  516. feed->pid, feed->pid);
  517. PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
  518. PidMsg.xMsgHeader.msgDstId = HIF_TASK;
  519. PidMsg.xMsgHeader.msgFlags = 0;
  520. PidMsg.xMsgHeader.msgType = MSG_SMS_REMOVE_PID_FILTER_REQ;
  521. PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
  522. PidMsg.msgData[0] = feed->pid;
  523. return smsclient_sendrequest(client->smsclient,
  524. &PidMsg, sizeof(PidMsg));
  525. }
  526. static int smsdvb_sendrequest_and_wait(struct smsdvb_client_t *client,
  527. void *buffer, size_t size,
  528. struct completion *completion)
  529. {
  530. int rc;
  531. rc = smsclient_sendrequest(client->smsclient, buffer, size);
  532. if (rc < 0)
  533. return rc;
  534. return wait_for_completion_timeout(completion,
  535. msecs_to_jiffies(2000)) ?
  536. 0 : -ETIME;
  537. }
  538. static int smsdvb_send_statistics_request(struct smsdvb_client_t *client)
  539. {
  540. int rc;
  541. struct SmsMsgHdr_ST Msg;
  542. /* Don't request stats too fast */
  543. if (client->get_stats_jiffies &&
  544. (!time_after(jiffies, client->get_stats_jiffies)))
  545. return 0;
  546. client->get_stats_jiffies = jiffies + msecs_to_jiffies(100);
  547. Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
  548. Msg.msgDstId = HIF_TASK;
  549. Msg.msgFlags = 0;
  550. Msg.msgLength = sizeof(Msg);
  551. switch (smscore_get_device_mode(client->coredev)) {
  552. case DEVICE_MODE_ISDBT:
  553. case DEVICE_MODE_ISDBT_BDA:
  554. /*
  555. * Check for firmware version, to avoid breaking for old cards
  556. */
  557. if (client->coredev->fw_version >= 0x800)
  558. Msg.msgType = MSG_SMS_GET_STATISTICS_EX_REQ;
  559. else
  560. Msg.msgType = MSG_SMS_GET_STATISTICS_REQ;
  561. break;
  562. default:
  563. Msg.msgType = MSG_SMS_GET_STATISTICS_REQ;
  564. }
  565. rc = smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
  566. &client->stats_done);
  567. return rc;
  568. }
  569. static inline int led_feedback(struct smsdvb_client_t *client)
  570. {
  571. if (!(client->fe_status & FE_HAS_LOCK))
  572. return sms_board_led_feedback(client->coredev, SMS_LED_OFF);
  573. return sms_board_led_feedback(client->coredev,
  574. (client->legacy_ber == 0) ?
  575. SMS_LED_HI : SMS_LED_LO);
  576. }
  577. static int smsdvb_read_status(struct dvb_frontend *fe, fe_status_t *stat)
  578. {
  579. int rc;
  580. struct smsdvb_client_t *client;
  581. client = container_of(fe, struct smsdvb_client_t, frontend);
  582. rc = smsdvb_send_statistics_request(client);
  583. *stat = client->fe_status;
  584. led_feedback(client);
  585. return rc;
  586. }
  587. static int smsdvb_read_ber(struct dvb_frontend *fe, u32 *ber)
  588. {
  589. int rc;
  590. struct smsdvb_client_t *client;
  591. client = container_of(fe, struct smsdvb_client_t, frontend);
  592. rc = smsdvb_send_statistics_request(client);
  593. *ber = client->legacy_ber;
  594. led_feedback(client);
  595. return rc;
  596. }
  597. static int smsdvb_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
  598. {
  599. struct dtv_frontend_properties *c = &fe->dtv_property_cache;
  600. int rc;
  601. s32 power = (s32) c->strength.stat[0].uvalue;
  602. struct smsdvb_client_t *client;
  603. client = container_of(fe, struct smsdvb_client_t, frontend);
  604. rc = smsdvb_send_statistics_request(client);
  605. if (power < -95)
  606. *strength = 0;
  607. else if (power > -29)
  608. *strength = 65535;
  609. else
  610. *strength = (power + 95) * 65535 / 66;
  611. led_feedback(client);
  612. return rc;
  613. }
  614. static int smsdvb_read_snr(struct dvb_frontend *fe, u16 *snr)
  615. {
  616. struct dtv_frontend_properties *c = &fe->dtv_property_cache;
  617. int rc;
  618. struct smsdvb_client_t *client;
  619. client = container_of(fe, struct smsdvb_client_t, frontend);
  620. rc = smsdvb_send_statistics_request(client);
  621. /* Preferred scale for SNR with legacy API: 0.1 dB */
  622. *snr = c->cnr.stat[0].svalue / 100;
  623. led_feedback(client);
  624. return rc;
  625. }
  626. static int smsdvb_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
  627. {
  628. int rc;
  629. struct dtv_frontend_properties *c = &fe->dtv_property_cache;
  630. struct smsdvb_client_t *client;
  631. client = container_of(fe, struct smsdvb_client_t, frontend);
  632. rc = smsdvb_send_statistics_request(client);
  633. *ucblocks = c->block_error.stat[0].uvalue;
  634. led_feedback(client);
  635. return rc;
  636. }
  637. static int smsdvb_get_tune_settings(struct dvb_frontend *fe,
  638. struct dvb_frontend_tune_settings *tune)
  639. {
  640. sms_debug("");
  641. tune->min_delay_ms = 400;
  642. tune->step_size = 250000;
  643. tune->max_drift = 0;
  644. return 0;
  645. }
  646. static int smsdvb_dvbt_set_frontend(struct dvb_frontend *fe)
  647. {
  648. struct dtv_frontend_properties *c = &fe->dtv_property_cache;
  649. struct smsdvb_client_t *client =
  650. container_of(fe, struct smsdvb_client_t, frontend);
  651. struct {
  652. struct SmsMsgHdr_ST Msg;
  653. u32 Data[3];
  654. } Msg;
  655. int ret;
  656. client->fe_status = 0;
  657. client->event_fe_state = -1;
  658. client->event_unc_state = -1;
  659. fe->dtv_property_cache.delivery_system = SYS_DVBT;
  660. Msg.Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
  661. Msg.Msg.msgDstId = HIF_TASK;
  662. Msg.Msg.msgFlags = 0;
  663. Msg.Msg.msgType = MSG_SMS_RF_TUNE_REQ;
  664. Msg.Msg.msgLength = sizeof(Msg);
  665. Msg.Data[0] = c->frequency;
  666. Msg.Data[2] = 12000000;
  667. sms_info("%s: freq %d band %d", __func__, c->frequency,
  668. c->bandwidth_hz);
  669. switch (c->bandwidth_hz / 1000000) {
  670. case 8:
  671. Msg.Data[1] = BW_8_MHZ;
  672. break;
  673. case 7:
  674. Msg.Data[1] = BW_7_MHZ;
  675. break;
  676. case 6:
  677. Msg.Data[1] = BW_6_MHZ;
  678. break;
  679. case 0:
  680. return -EOPNOTSUPP;
  681. default:
  682. return -EINVAL;
  683. }
  684. /* Disable LNA, if any. An error is returned if no LNA is present */
  685. ret = sms_board_lna_control(client->coredev, 0);
  686. if (ret == 0) {
  687. fe_status_t status;
  688. /* tune with LNA off at first */
  689. ret = smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
  690. &client->tune_done);
  691. smsdvb_read_status(fe, &status);
  692. if (status & FE_HAS_LOCK)
  693. return ret;
  694. /* previous tune didn't lock - enable LNA and tune again */
  695. sms_board_lna_control(client->coredev, 1);
  696. }
  697. return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
  698. &client->tune_done);
  699. }
  700. static int smsdvb_isdbt_set_frontend(struct dvb_frontend *fe)
  701. {
  702. struct dtv_frontend_properties *c = &fe->dtv_property_cache;
  703. struct smsdvb_client_t *client =
  704. container_of(fe, struct smsdvb_client_t, frontend);
  705. int board_id = smscore_get_board_id(client->coredev);
  706. struct sms_board *board = sms_get_board(board_id);
  707. enum sms_device_type_st type = board->type;
  708. int ret;
  709. struct {
  710. struct SmsMsgHdr_ST Msg;
  711. u32 Data[4];
  712. } Msg;
  713. fe->dtv_property_cache.delivery_system = SYS_ISDBT;
  714. Msg.Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
  715. Msg.Msg.msgDstId = HIF_TASK;
  716. Msg.Msg.msgFlags = 0;
  717. Msg.Msg.msgType = MSG_SMS_ISDBT_TUNE_REQ;
  718. Msg.Msg.msgLength = sizeof(Msg);
  719. if (c->isdbt_sb_segment_idx == -1)
  720. c->isdbt_sb_segment_idx = 0;
  721. if (!c->isdbt_layer_enabled)
  722. c->isdbt_layer_enabled = 7;
  723. Msg.Data[0] = c->frequency;
  724. Msg.Data[1] = BW_ISDBT_1SEG;
  725. Msg.Data[2] = 12000000;
  726. Msg.Data[3] = c->isdbt_sb_segment_idx;
  727. if (c->isdbt_partial_reception) {
  728. if ((type == SMS_PELE || type == SMS_RIO) &&
  729. c->isdbt_sb_segment_count > 3)
  730. Msg.Data[1] = BW_ISDBT_13SEG;
  731. else if (c->isdbt_sb_segment_count > 1)
  732. Msg.Data[1] = BW_ISDBT_3SEG;
  733. } else if (type == SMS_PELE || type == SMS_RIO)
  734. Msg.Data[1] = BW_ISDBT_13SEG;
  735. c->bandwidth_hz = 6000000;
  736. sms_info("%s: freq %d segwidth %d segindex %d\n", __func__,
  737. c->frequency, c->isdbt_sb_segment_count,
  738. c->isdbt_sb_segment_idx);
  739. /* Disable LNA, if any. An error is returned if no LNA is present */
  740. ret = sms_board_lna_control(client->coredev, 0);
  741. if (ret == 0) {
  742. fe_status_t status;
  743. /* tune with LNA off at first */
  744. ret = smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
  745. &client->tune_done);
  746. smsdvb_read_status(fe, &status);
  747. if (status & FE_HAS_LOCK)
  748. return ret;
  749. /* previous tune didn't lock - enable LNA and tune again */
  750. sms_board_lna_control(client->coredev, 1);
  751. }
  752. return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
  753. &client->tune_done);
  754. }
  755. static int smsdvb_set_frontend(struct dvb_frontend *fe)
  756. {
  757. struct smsdvb_client_t *client =
  758. container_of(fe, struct smsdvb_client_t, frontend);
  759. struct smscore_device_t *coredev = client->coredev;
  760. smsdvb_stats_not_ready(fe);
  761. switch (smscore_get_device_mode(coredev)) {
  762. case DEVICE_MODE_DVBT:
  763. case DEVICE_MODE_DVBT_BDA:
  764. return smsdvb_dvbt_set_frontend(fe);
  765. case DEVICE_MODE_ISDBT:
  766. case DEVICE_MODE_ISDBT_BDA:
  767. return smsdvb_isdbt_set_frontend(fe);
  768. default:
  769. return -EINVAL;
  770. }
  771. }
  772. /* Nothing to do here, as stats are automatically updated */
  773. static int smsdvb_get_frontend(struct dvb_frontend *fe)
  774. {
  775. return 0;
  776. }
  777. static int smsdvb_init(struct dvb_frontend *fe)
  778. {
  779. struct smsdvb_client_t *client =
  780. container_of(fe, struct smsdvb_client_t, frontend);
  781. sms_board_power(client->coredev, 1);
  782. sms_board_dvb3_event(client, DVB3_EVENT_INIT);
  783. return 0;
  784. }
  785. static int smsdvb_sleep(struct dvb_frontend *fe)
  786. {
  787. struct smsdvb_client_t *client =
  788. container_of(fe, struct smsdvb_client_t, frontend);
  789. sms_board_led_feedback(client->coredev, SMS_LED_OFF);
  790. sms_board_power(client->coredev, 0);
  791. sms_board_dvb3_event(client, DVB3_EVENT_SLEEP);
  792. return 0;
  793. }
  794. static void smsdvb_release(struct dvb_frontend *fe)
  795. {
  796. /* do nothing */
  797. }
  798. static struct dvb_frontend_ops smsdvb_fe_ops = {
  799. .info = {
  800. .name = "Siano Mobile Digital MDTV Receiver",
  801. .frequency_min = 44250000,
  802. .frequency_max = 867250000,
  803. .frequency_stepsize = 250000,
  804. .caps = FE_CAN_INVERSION_AUTO |
  805. FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
  806. FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
  807. FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 |
  808. FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO |
  809. FE_CAN_GUARD_INTERVAL_AUTO |
  810. FE_CAN_RECOVER |
  811. FE_CAN_HIERARCHY_AUTO,
  812. },
  813. .release = smsdvb_release,
  814. .set_frontend = smsdvb_set_frontend,
  815. .get_frontend = smsdvb_get_frontend,
  816. .get_tune_settings = smsdvb_get_tune_settings,
  817. .read_status = smsdvb_read_status,
  818. .read_ber = smsdvb_read_ber,
  819. .read_signal_strength = smsdvb_read_signal_strength,
  820. .read_snr = smsdvb_read_snr,
  821. .read_ucblocks = smsdvb_read_ucblocks,
  822. .init = smsdvb_init,
  823. .sleep = smsdvb_sleep,
  824. };
  825. static int smsdvb_hotplug(struct smscore_device_t *coredev,
  826. struct device *device, int arrival)
  827. {
  828. struct smsclient_params_t params;
  829. struct smsdvb_client_t *client;
  830. int rc;
  831. /* device removal handled by onremove callback */
  832. if (!arrival)
  833. return 0;
  834. client = kzalloc(sizeof(struct smsdvb_client_t), GFP_KERNEL);
  835. if (!client) {
  836. sms_err("kmalloc() failed");
  837. return -ENOMEM;
  838. }
  839. /* register dvb adapter */
  840. rc = dvb_register_adapter(&client->adapter,
  841. sms_get_board(
  842. smscore_get_board_id(coredev))->name,
  843. THIS_MODULE, device, adapter_nr);
  844. if (rc < 0) {
  845. sms_err("dvb_register_adapter() failed %d", rc);
  846. goto adapter_error;
  847. }
  848. /* init dvb demux */
  849. client->demux.dmx.capabilities = DMX_TS_FILTERING;
  850. client->demux.filternum = 32; /* todo: nova ??? */
  851. client->demux.feednum = 32;
  852. client->demux.start_feed = smsdvb_start_feed;
  853. client->demux.stop_feed = smsdvb_stop_feed;
  854. rc = dvb_dmx_init(&client->demux);
  855. if (rc < 0) {
  856. sms_err("dvb_dmx_init failed %d", rc);
  857. goto dvbdmx_error;
  858. }
  859. /* init dmxdev */
  860. client->dmxdev.filternum = 32;
  861. client->dmxdev.demux = &client->demux.dmx;
  862. client->dmxdev.capabilities = 0;
  863. rc = dvb_dmxdev_init(&client->dmxdev, &client->adapter);
  864. if (rc < 0) {
  865. sms_err("dvb_dmxdev_init failed %d", rc);
  866. goto dmxdev_error;
  867. }
  868. /* init and register frontend */
  869. memcpy(&client->frontend.ops, &smsdvb_fe_ops,
  870. sizeof(struct dvb_frontend_ops));
  871. switch (smscore_get_device_mode(coredev)) {
  872. case DEVICE_MODE_DVBT:
  873. case DEVICE_MODE_DVBT_BDA:
  874. client->frontend.ops.delsys[0] = SYS_DVBT;
  875. break;
  876. case DEVICE_MODE_ISDBT:
  877. case DEVICE_MODE_ISDBT_BDA:
  878. client->frontend.ops.delsys[0] = SYS_ISDBT;
  879. break;
  880. }
  881. rc = dvb_register_frontend(&client->adapter, &client->frontend);
  882. if (rc < 0) {
  883. sms_err("frontend registration failed %d", rc);
  884. goto frontend_error;
  885. }
  886. params.initial_id = 1;
  887. params.data_type = MSG_SMS_DVBT_BDA_DATA;
  888. params.onresponse_handler = smsdvb_onresponse;
  889. params.onremove_handler = smsdvb_onremove;
  890. params.context = client;
  891. rc = smscore_register_client(coredev, &params, &client->smsclient);
  892. if (rc < 0) {
  893. sms_err("smscore_register_client() failed %d", rc);
  894. goto client_error;
  895. }
  896. client->coredev = coredev;
  897. init_completion(&client->tune_done);
  898. init_completion(&client->stats_done);
  899. kmutex_lock(&g_smsdvb_clientslock);
  900. list_add(&client->entry, &g_smsdvb_clients);
  901. kmutex_unlock(&g_smsdvb_clientslock);
  902. client->event_fe_state = -1;
  903. client->event_unc_state = -1;
  904. sms_board_dvb3_event(client, DVB3_EVENT_HOTPLUG);
  905. sms_info("success");
  906. sms_board_setup(coredev);
  907. if (smsdvb_debugfs_create(client) < 0)
  908. sms_info("failed to create debugfs node");
  909. return 0;
  910. client_error:
  911. dvb_unregister_frontend(&client->frontend);
  912. frontend_error:
  913. dvb_dmxdev_release(&client->dmxdev);
  914. dmxdev_error:
  915. dvb_dmx_release(&client->demux);
  916. dvbdmx_error:
  917. dvb_unregister_adapter(&client->adapter);
  918. adapter_error:
  919. kfree(client);
  920. return rc;
  921. }
  922. static int __init smsdvb_module_init(void)
  923. {
  924. int rc;
  925. INIT_LIST_HEAD(&g_smsdvb_clients);
  926. kmutex_init(&g_smsdvb_clientslock);
  927. smsdvb_debugfs_register();
  928. rc = smscore_register_hotplug(smsdvb_hotplug);
  929. sms_debug("");
  930. return rc;
  931. }
  932. static void __exit smsdvb_module_exit(void)
  933. {
  934. smscore_unregister_hotplug(smsdvb_hotplug);
  935. kmutex_lock(&g_smsdvb_clientslock);
  936. while (!list_empty(&g_smsdvb_clients))
  937. smsdvb_unregister_client((struct smsdvb_client_t *)g_smsdvb_clients.next);
  938. smsdvb_debugfs_unregister();
  939. kmutex_unlock(&g_smsdvb_clientslock);
  940. }
  941. module_init(smsdvb_module_init);
  942. module_exit(smsdvb_module_exit);
  943. MODULE_DESCRIPTION("SMS DVB subsystem adaptation module");
  944. MODULE_AUTHOR("Siano Mobile Silicon, Inc. (uris@siano-ms.com)");
  945. MODULE_LICENSE("GPL");