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8d4f9d0e ST |
1 | /* |
2 | * Driver for the Siano SMS10xx USB dongle | |
3 | * | |
85447060 MK |
4 | * author: Anatoly Greenblat |
5 | * | |
6 | * Copyright (c), 2005-2008 Siano Mobile Silicon, Inc. | |
8d4f9d0e ST |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify | |
85447060 MK |
9 | * it under the terms of the GNU General Public License version 3 as |
10 | * published by the Free Software Foundation; | |
8d4f9d0e | 11 | * |
85447060 MK |
12 | * Software distributed under the License is distributed on an "AS IS" |
13 | * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. | |
8d4f9d0e | 14 | * |
85447060 | 15 | * See the GNU General Public License for more details. |
8d4f9d0e ST |
16 | * |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
20 | */ | |
21 | ||
2e5c1ec8 MK |
22 | #include <linux/module.h> |
23 | #include <linux/init.h> | |
24 | ||
2e5c1ec8 | 25 | #include "smscoreapi.h" |
2e5c1ec8 | 26 | |
9c59f968 MK |
27 | DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); |
28 | ||
2e5c1ec8 MK |
29 | struct list_head g_smsdvb_clients; |
30 | kmutex_t g_smsdvb_clientslock; | |
31 | ||
32 | int smsdvb_onresponse(void *context, smscore_buffer_t *cb) | |
33 | { | |
34 | smsdvb_client_t *client = (smsdvb_client_t *) context; | |
35 | SmsMsgHdr_ST *phdr = (SmsMsgHdr_ST *)(((u8*) cb->p) + cb->offset); | |
36 | ||
37 | switch(phdr->msgType) | |
38 | { | |
39 | case MSG_SMS_DVBT_BDA_DATA: | |
40 | dvb_dmx_swfilter(&client->demux, (u8*)(phdr + 1), cb->size - sizeof(SmsMsgHdr_ST)); | |
41 | break; | |
42 | ||
43 | case MSG_SMS_RF_TUNE_RES: | |
44 | complete(&client->tune_done); | |
45 | break; | |
46 | ||
47 | case MSG_SMS_GET_STATISTICS_RES: | |
48 | { | |
49 | SmsMsgStatisticsInfo_ST* p = (SmsMsgStatisticsInfo_ST*)(phdr + 1); | |
50 | ||
51 | if (p->Stat.IsDemodLocked) | |
52 | { | |
53 | client->fe_status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK; | |
54 | client->fe_snr = p->Stat.SNR; | |
55 | client->fe_ber = p->Stat.BER; | |
56 | ||
57 | if (p->Stat.InBandPwr < -95) | |
58 | client->fe_signal_strength = 0; | |
59 | else if (p->Stat.InBandPwr > -29) | |
60 | client->fe_signal_strength = 100; | |
61 | else | |
62 | client->fe_signal_strength = (p->Stat.InBandPwr + 95) * 3 / 2; | |
63 | } | |
64 | else | |
65 | { | |
66 | client->fe_status = 0; | |
67 | client->fe_snr = | |
68 | client->fe_ber = | |
69 | client->fe_signal_strength = 0; | |
70 | } | |
71 | ||
72 | complete(&client->stat_done); | |
73 | break; | |
74 | } | |
75 | } | |
76 | ||
77 | smscore_putbuffer(client->coredev, cb); | |
78 | ||
79 | return 0; | |
80 | } | |
81 | ||
82 | void smsdvb_unregister_client(smsdvb_client_t* client) | |
83 | { | |
84 | // must be called under clientslock | |
85 | ||
86 | list_del(&client->entry); | |
87 | ||
88 | smscore_unregister_client(client->smsclient); | |
89 | dvb_unregister_frontend(&client->frontend); | |
90 | dvb_dmxdev_release(&client->dmxdev); | |
91 | dvb_dmx_release(&client->demux); | |
92 | dvb_unregister_adapter(&client->adapter); | |
93 | kfree(client); | |
94 | } | |
95 | ||
96 | void smsdvb_onremove(void *context) | |
97 | { | |
98 | kmutex_lock(&g_smsdvb_clientslock); | |
99 | ||
100 | smsdvb_unregister_client((smsdvb_client_t*) context); | |
101 | ||
102 | kmutex_unlock(&g_smsdvb_clientslock); | |
103 | } | |
104 | ||
105 | static int smsdvb_start_feed(struct dvb_demux_feed *feed) | |
106 | { | |
107 | smsdvb_client_t *client = container_of(feed->demux, smsdvb_client_t, demux); | |
108 | SmsMsgData_ST PidMsg; | |
109 | ||
18658117 | 110 | printk("%s add pid %d(%x)\n", __func__, feed->pid, feed->pid); |
2e5c1ec8 MK |
111 | |
112 | PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; | |
113 | PidMsg.xMsgHeader.msgDstId = HIF_TASK; | |
114 | PidMsg.xMsgHeader.msgFlags = 0; | |
115 | PidMsg.xMsgHeader.msgType = MSG_SMS_ADD_PID_FILTER_REQ; | |
116 | PidMsg.xMsgHeader.msgLength = sizeof(PidMsg); | |
117 | PidMsg.msgData[0] = feed->pid; | |
118 | ||
119 | return smsclient_sendrequest(client->smsclient, &PidMsg, sizeof(PidMsg)); | |
120 | } | |
121 | ||
122 | static int smsdvb_stop_feed(struct dvb_demux_feed *feed) | |
123 | { | |
124 | smsdvb_client_t *client = container_of(feed->demux, smsdvb_client_t, demux); | |
125 | SmsMsgData_ST PidMsg; | |
126 | ||
18658117 | 127 | printk("%s remove pid %d(%x)\n", __func__, feed->pid, feed->pid); |
2e5c1ec8 MK |
128 | |
129 | PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; | |
130 | PidMsg.xMsgHeader.msgDstId = HIF_TASK; | |
131 | PidMsg.xMsgHeader.msgFlags = 0; | |
132 | PidMsg.xMsgHeader.msgType = MSG_SMS_REMOVE_PID_FILTER_REQ; | |
133 | PidMsg.xMsgHeader.msgLength = sizeof(PidMsg); | |
134 | PidMsg.msgData[0] = feed->pid; | |
135 | ||
136 | return smsclient_sendrequest(client->smsclient, &PidMsg, sizeof(PidMsg)); | |
137 | } | |
138 | ||
139 | static int smsdvb_sendrequest_and_wait(smsdvb_client_t *client, void* buffer, size_t size, struct completion *completion) | |
140 | { | |
141 | int rc = smsclient_sendrequest(client->smsclient, buffer, size); | |
142 | if (rc < 0) | |
143 | return rc; | |
144 | ||
145 | return wait_for_completion_timeout(completion, msecs_to_jiffies(2000)) ? 0 : -ETIME; | |
146 | } | |
147 | ||
148 | static int smsdvb_send_statistics_request(smsdvb_client_t *client) | |
149 | { | |
150 | SmsMsgHdr_ST Msg = { MSG_SMS_GET_STATISTICS_REQ, DVBT_BDA_CONTROL_MSG_ID, HIF_TASK, sizeof(SmsMsgHdr_ST), 0 }; | |
151 | return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg), &client->stat_done); | |
152 | } | |
153 | ||
154 | static int smsdvb_read_status(struct dvb_frontend *fe, fe_status_t *stat) | |
155 | { | |
156 | smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend); | |
157 | int rc = smsdvb_send_statistics_request(client); | |
158 | ||
159 | if (!rc) | |
160 | *stat = client->fe_status; | |
161 | ||
162 | return rc; | |
163 | } | |
164 | ||
165 | static int smsdvb_read_ber(struct dvb_frontend *fe, u32 *ber) | |
166 | { | |
167 | smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend); | |
168 | int rc = smsdvb_send_statistics_request(client); | |
169 | ||
170 | if (!rc) | |
171 | *ber = client->fe_ber; | |
172 | ||
173 | return rc; | |
174 | } | |
175 | ||
176 | static int smsdvb_read_signal_strength(struct dvb_frontend *fe, u16 *strength) | |
177 | { | |
178 | smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend); | |
179 | int rc = smsdvb_send_statistics_request(client); | |
180 | ||
181 | if (!rc) | |
182 | *strength = client->fe_signal_strength; | |
183 | ||
184 | return rc; | |
185 | } | |
186 | ||
187 | static int smsdvb_read_snr(struct dvb_frontend *fe, u16 *snr) | |
188 | { | |
189 | smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend); | |
190 | int rc = smsdvb_send_statistics_request(client); | |
191 | ||
192 | if (!rc) | |
193 | *snr = client->fe_snr; | |
194 | ||
195 | return rc; | |
196 | } | |
197 | ||
198 | static int smsdvb_get_tune_settings(struct dvb_frontend *fe, struct dvb_frontend_tune_settings *tune) | |
199 | { | |
18658117 | 200 | printk("%s\n", __func__); |
2e5c1ec8 MK |
201 | |
202 | tune->min_delay_ms = 400; | |
203 | tune->step_size = 250000; | |
204 | tune->max_drift = 0; | |
205 | return 0; | |
206 | } | |
207 | ||
208 | static int smsdvb_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *fep) | |
209 | { | |
210 | smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend); | |
211 | ||
212 | struct | |
213 | { | |
214 | SmsMsgHdr_ST Msg; | |
215 | u32 Data[3]; | |
216 | } Msg; | |
217 | ||
218 | Msg.Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; | |
219 | Msg.Msg.msgDstId = HIF_TASK; | |
220 | Msg.Msg.msgFlags = 0; | |
221 | Msg.Msg.msgType = MSG_SMS_RF_TUNE_REQ; | |
222 | Msg.Msg.msgLength = sizeof(Msg); | |
223 | Msg.Data[0] = fep->frequency; | |
224 | Msg.Data[2] = 12000000; | |
225 | ||
18658117 | 226 | printk("%s freq %d band %d\n", __func__, fep->frequency, fep->u.ofdm.bandwidth); |
2e5c1ec8 MK |
227 | |
228 | switch(fep->u.ofdm.bandwidth) | |
229 | { | |
230 | case BANDWIDTH_8_MHZ: Msg.Data[1] = BW_8_MHZ; break; | |
231 | case BANDWIDTH_7_MHZ: Msg.Data[1] = BW_7_MHZ; break; | |
232 | case BANDWIDTH_6_MHZ: Msg.Data[1] = BW_6_MHZ; break; | |
233 | // case BANDWIDTH_5_MHZ: Msg.Data[1] = BW_5_MHZ; break; | |
234 | case BANDWIDTH_AUTO: return -EOPNOTSUPP; | |
235 | default: return -EINVAL; | |
236 | } | |
237 | ||
238 | return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg), &client->tune_done); | |
239 | } | |
240 | ||
241 | static int smsdvb_get_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *fep) | |
242 | { | |
243 | smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend); | |
244 | ||
18658117 | 245 | printk("%s\n", __func__); |
2e5c1ec8 MK |
246 | |
247 | // todo: | |
248 | memcpy(fep, &client->fe_params, sizeof(struct dvb_frontend_parameters)); | |
249 | return 0; | |
250 | } | |
251 | ||
252 | static void smsdvb_release(struct dvb_frontend *fe) | |
253 | { | |
254 | // do nothing | |
255 | } | |
256 | ||
257 | static struct dvb_frontend_ops smsdvb_fe_ops = { | |
258 | .info = { | |
259 | .name = "Siano Mobile Digital SMS10xx", | |
260 | .type = FE_OFDM, | |
261 | .frequency_min = 44250000, | |
262 | .frequency_max = 867250000, | |
263 | .frequency_stepsize = 250000, | |
264 | .caps = FE_CAN_INVERSION_AUTO | | |
265 | FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | | |
266 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | | |
267 | FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO | | |
268 | FE_CAN_TRANSMISSION_MODE_AUTO | | |
269 | FE_CAN_GUARD_INTERVAL_AUTO | | |
270 | FE_CAN_RECOVER | | |
271 | FE_CAN_HIERARCHY_AUTO, | |
272 | }, | |
273 | ||
274 | .release = smsdvb_release, | |
275 | ||
276 | .set_frontend = smsdvb_set_frontend, | |
277 | .get_frontend = smsdvb_get_frontend, | |
278 | .get_tune_settings = smsdvb_get_tune_settings, | |
279 | ||
280 | .read_status = smsdvb_read_status, | |
281 | .read_ber = smsdvb_read_ber, | |
282 | .read_signal_strength = smsdvb_read_signal_strength, | |
283 | .read_snr = smsdvb_read_snr, | |
284 | }; | |
285 | ||
286 | int smsdvb_hotplug(smscore_device_t *coredev, struct device* device, int arrival) | |
287 | { | |
288 | smsclient_params_t params; | |
289 | smsdvb_client_t* client; | |
290 | int rc; | |
291 | ||
292 | // device removal handled by onremove callback | |
293 | if (!arrival) | |
294 | return 0; | |
295 | ||
296 | if (smscore_get_device_mode(coredev) != 4) | |
297 | { | |
298 | rc = smscore_set_device_mode(coredev, 4); | |
299 | if (rc < 0) | |
300 | return rc; | |
301 | } | |
302 | ||
303 | client = kzalloc(sizeof(smsdvb_client_t), GFP_KERNEL); | |
304 | if (!client) | |
305 | { | |
18658117 | 306 | printk(KERN_INFO "%s kmalloc() failed\n", __func__); |
2e5c1ec8 MK |
307 | return -ENOMEM; |
308 | } | |
309 | ||
310 | // register dvb adapter | |
9c59f968 | 311 | rc = dvb_register_adapter(&client->adapter, "Siano Digital Receiver", THIS_MODULE, device, adapter_nr); |
2e5c1ec8 MK |
312 | if (rc < 0) |
313 | { | |
314 | printk("%s dvb_register_adapter() failed %d\n", __func__, rc); | |
315 | goto adapter_error; | |
316 | } | |
317 | ||
318 | // init dvb demux | |
319 | client->demux.dmx.capabilities = DMX_TS_FILTERING; | |
320 | client->demux.filternum = 32; // todo: nova ??? | |
321 | client->demux.feednum = 32; | |
322 | client->demux.start_feed = smsdvb_start_feed; | |
323 | client->demux.stop_feed = smsdvb_stop_feed; | |
324 | ||
325 | rc = dvb_dmx_init(&client->demux); | |
326 | if (rc < 0) | |
327 | { | |
18658117 | 328 | printk("%s dvb_dmx_init failed %d\n\n", __func__, rc); |
2e5c1ec8 MK |
329 | goto dvbdmx_error; |
330 | } | |
331 | ||
332 | // init dmxdev | |
333 | client->dmxdev.filternum = 32; | |
334 | client->dmxdev.demux = &client->demux.dmx; | |
335 | client->dmxdev.capabilities = 0; | |
336 | ||
337 | rc = dvb_dmxdev_init(&client->dmxdev, &client->adapter); | |
338 | if (rc < 0) | |
339 | { | |
18658117 | 340 | printk("%s dvb_dmxdev_init failed %d\n", __func__, rc); |
2e5c1ec8 MK |
341 | goto dmxdev_error; |
342 | } | |
343 | ||
344 | // init and register frontend | |
345 | memcpy(&client->frontend.ops, &smsdvb_fe_ops, sizeof(struct dvb_frontend_ops)); | |
346 | ||
347 | rc = dvb_register_frontend(&client->adapter, &client->frontend); | |
348 | if (rc < 0) | |
349 | { | |
18658117 | 350 | printk("%s frontend registration failed %d\n", __func__, rc); |
2e5c1ec8 MK |
351 | goto frontend_error; |
352 | } | |
353 | ||
354 | params.initial_id = 0; | |
355 | params.data_type = MSG_SMS_DVBT_BDA_DATA; | |
356 | params.onresponse_handler = smsdvb_onresponse; | |
357 | params.onremove_handler = smsdvb_onremove; | |
358 | params.context = client; | |
359 | ||
360 | rc = smscore_register_client(coredev, ¶ms, &client->smsclient); | |
361 | if (rc < 0) | |
362 | { | |
18658117 | 363 | printk(KERN_INFO "%s smscore_register_client() failed %d\n", __func__, rc); |
2e5c1ec8 MK |
364 | goto client_error; |
365 | } | |
366 | ||
367 | client->coredev = coredev; | |
368 | ||
369 | init_completion(&client->tune_done); | |
370 | init_completion(&client->stat_done); | |
371 | ||
372 | kmutex_lock(&g_smsdvb_clientslock); | |
373 | ||
374 | list_add(&client->entry, &g_smsdvb_clients); | |
375 | ||
376 | kmutex_unlock(&g_smsdvb_clientslock); | |
377 | ||
18658117 | 378 | printk(KERN_INFO "%s success\n", __func__); |
2e5c1ec8 MK |
379 | |
380 | return 0; | |
381 | ||
382 | client_error: | |
383 | dvb_unregister_frontend(&client->frontend); | |
384 | ||
385 | frontend_error: | |
386 | dvb_dmxdev_release(&client->dmxdev); | |
387 | ||
388 | dmxdev_error: | |
389 | dvb_dmx_release(&client->demux); | |
390 | ||
391 | dvbdmx_error: | |
392 | dvb_unregister_adapter(&client->adapter); | |
393 | ||
394 | adapter_error: | |
395 | kfree(client); | |
396 | return rc; | |
397 | } | |
398 | ||
eae55660 ST |
399 | int smsdvb_register(void) |
400 | { | |
401 | int rc; | |
402 | ||
403 | INIT_LIST_HEAD(&g_smsdvb_clients); | |
404 | kmutex_init(&g_smsdvb_clientslock); | |
405 | ||
406 | rc = smscore_register_hotplug(smsdvb_hotplug); | |
407 | ||
18658117 | 408 | printk(KERN_INFO "%s\n", __func__); |
eae55660 ST |
409 | |
410 | return rc; | |
411 | } | |
412 | ||
413 | void smsdvb_unregister(void) | |
414 | { | |
415 | smscore_unregister_hotplug(smsdvb_hotplug); | |
416 | ||
417 | kmutex_lock(&g_smsdvb_clientslock); | |
418 | ||
419 | while (!list_empty(&g_smsdvb_clients)) | |
420 | smsdvb_unregister_client((smsdvb_client_t*) g_smsdvb_clients.next); | |
421 | ||
422 | kmutex_unlock(&g_smsdvb_clientslock); | |
423 | ||
424 | } | |
425 |