2 * Driver for the Siano SMS10xx USB dongle
4 * author: Anatoly Greenblat
6 * Copyright (c), 2005-2008 Siano Mobile Silicon, Inc.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 3 as
10 * published by the Free Software Foundation;
12 * Software distributed under the License is distributed on an "AS IS"
13 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
15 * See the GNU General Public License for more details.
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.
22 #include <linux/module.h>
23 #include <linux/init.h>
25 #include "smscoreapi.h"
27 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
29 struct list_head g_smsdvb_clients;
30 kmutex_t g_smsdvb_clientslock;
32 int smsdvb_onresponse(void *context, smscore_buffer_t *cb)
34 smsdvb_client_t *client = (smsdvb_client_t *) context;
35 SmsMsgHdr_ST *phdr = (SmsMsgHdr_ST *)(((u8*) cb->p) + cb->offset);
39 case MSG_SMS_DVBT_BDA_DATA:
40 dvb_dmx_swfilter(&client->demux, (u8*)(phdr + 1), cb->size - sizeof(SmsMsgHdr_ST));
43 case MSG_SMS_RF_TUNE_RES:
44 complete(&client->tune_done);
47 case MSG_SMS_GET_STATISTICS_RES:
49 SmsMsgStatisticsInfo_ST* p = (SmsMsgStatisticsInfo_ST*)(phdr + 1);
51 if (p->Stat.IsDemodLocked)
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;
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;
62 client->fe_signal_strength = (p->Stat.InBandPwr + 95) * 3 / 2;
66 client->fe_status = 0;
69 client->fe_signal_strength = 0;
72 complete(&client->stat_done);
77 smscore_putbuffer(client->coredev, cb);
82 void smsdvb_unregister_client(smsdvb_client_t *client)
84 // must be called under clientslock
86 list_del(&client->entry);
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);
96 void smsdvb_onremove(void *context)
98 kmutex_lock(&g_smsdvb_clientslock);
100 smsdvb_unregister_client((smsdvb_client_t*) context);
102 kmutex_unlock(&g_smsdvb_clientslock);
105 static int smsdvb_start_feed(struct dvb_demux_feed *feed)
107 smsdvb_client_t *client = container_of(feed->demux, smsdvb_client_t, demux);
108 SmsMsgData_ST PidMsg;
110 printk("%s add pid %d(%x)\n", __func__, feed->pid, feed->pid);
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;
119 return smsclient_sendrequest(client->smsclient, &PidMsg, sizeof(PidMsg));
122 static int smsdvb_stop_feed(struct dvb_demux_feed *feed)
124 smsdvb_client_t *client = container_of(feed->demux, smsdvb_client_t, demux);
125 SmsMsgData_ST PidMsg;
127 printk("%s remove pid %d(%x)\n", __func__, feed->pid, feed->pid);
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;
136 return smsclient_sendrequest(client->smsclient, &PidMsg, sizeof(PidMsg));
139 static int smsdvb_sendrequest_and_wait(smsdvb_client_t *client,
140 void *buffer, size_t size,
141 struct completion *completion)
143 int rc = smsclient_sendrequest(client->smsclient, buffer, size);
147 return wait_for_completion_timeout(completion, msecs_to_jiffies(2000)) ? 0 : -ETIME;
150 static int smsdvb_send_statistics_request(smsdvb_client_t *client)
152 SmsMsgHdr_ST Msg = { MSG_SMS_GET_STATISTICS_REQ, DVBT_BDA_CONTROL_MSG_ID, HIF_TASK, sizeof(SmsMsgHdr_ST), 0 };
153 return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg), &client->stat_done);
156 static int smsdvb_read_status(struct dvb_frontend *fe, fe_status_t *stat)
158 smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend);
159 int rc = smsdvb_send_statistics_request(client);
162 *stat = client->fe_status;
167 static int smsdvb_read_ber(struct dvb_frontend *fe, u32 *ber)
169 smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend);
170 int rc = smsdvb_send_statistics_request(client);
173 *ber = client->fe_ber;
178 static int smsdvb_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
180 smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend);
181 int rc = smsdvb_send_statistics_request(client);
184 *strength = client->fe_signal_strength;
189 static int smsdvb_read_snr(struct dvb_frontend *fe, u16 *snr)
191 smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend);
192 int rc = smsdvb_send_statistics_request(client);
195 *snr = client->fe_snr;
200 static int smsdvb_get_tune_settings(struct dvb_frontend *fe, struct dvb_frontend_tune_settings *tune)
202 printk("%s\n", __func__);
204 tune->min_delay_ms = 400;
205 tune->step_size = 250000;
210 static int smsdvb_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *fep)
212 smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend);
220 Msg.Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
221 Msg.Msg.msgDstId = HIF_TASK;
222 Msg.Msg.msgFlags = 0;
223 Msg.Msg.msgType = MSG_SMS_RF_TUNE_REQ;
224 Msg.Msg.msgLength = sizeof(Msg);
225 Msg.Data[0] = fep->frequency;
226 Msg.Data[2] = 12000000;
228 printk("%s freq %d band %d\n", __func__, fep->frequency, fep->u.ofdm.bandwidth);
230 switch(fep->u.ofdm.bandwidth)
232 case BANDWIDTH_8_MHZ: Msg.Data[1] = BW_8_MHZ; break;
233 case BANDWIDTH_7_MHZ: Msg.Data[1] = BW_7_MHZ; break;
234 case BANDWIDTH_6_MHZ: Msg.Data[1] = BW_6_MHZ; break;
235 // case BANDWIDTH_5_MHZ: Msg.Data[1] = BW_5_MHZ; break;
236 case BANDWIDTH_AUTO: return -EOPNOTSUPP;
237 default: return -EINVAL;
240 return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg), &client->tune_done);
243 static int smsdvb_get_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *fep)
245 smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend);
247 printk("%s\n", __func__);
250 memcpy(fep, &client->fe_params, sizeof(struct dvb_frontend_parameters));
254 static void smsdvb_release(struct dvb_frontend *fe)
259 static struct dvb_frontend_ops smsdvb_fe_ops = {
261 .name = "Siano Mobile Digital SMS10xx",
263 .frequency_min = 44250000,
264 .frequency_max = 867250000,
265 .frequency_stepsize = 250000,
266 .caps = FE_CAN_INVERSION_AUTO |
267 FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
268 FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
269 FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
270 FE_CAN_TRANSMISSION_MODE_AUTO |
271 FE_CAN_GUARD_INTERVAL_AUTO |
273 FE_CAN_HIERARCHY_AUTO,
276 .release = smsdvb_release,
278 .set_frontend = smsdvb_set_frontend,
279 .get_frontend = smsdvb_get_frontend,
280 .get_tune_settings = smsdvb_get_tune_settings,
282 .read_status = smsdvb_read_status,
283 .read_ber = smsdvb_read_ber,
284 .read_signal_strength = smsdvb_read_signal_strength,
285 .read_snr = smsdvb_read_snr,
288 int smsdvb_hotplug(smscore_device_t *coredev, struct device *device,
291 smsclient_params_t params;
292 smsdvb_client_t *client;
295 // device removal handled by onremove callback
299 if (smscore_get_device_mode(coredev) != 4)
301 rc = smscore_set_device_mode(coredev, 4);
306 client = kzalloc(sizeof(smsdvb_client_t), GFP_KERNEL);
309 printk(KERN_INFO "%s kmalloc() failed\n", __func__);
313 // register dvb adapter
314 rc = dvb_register_adapter(&client->adapter, "Siano Digital Receiver", THIS_MODULE, device, adapter_nr);
317 printk("%s dvb_register_adapter() failed %d\n", __func__, rc);
322 client->demux.dmx.capabilities = DMX_TS_FILTERING;
323 client->demux.filternum = 32; // todo: nova ???
324 client->demux.feednum = 32;
325 client->demux.start_feed = smsdvb_start_feed;
326 client->demux.stop_feed = smsdvb_stop_feed;
328 rc = dvb_dmx_init(&client->demux);
331 printk("%s dvb_dmx_init failed %d\n\n", __func__, rc);
336 client->dmxdev.filternum = 32;
337 client->dmxdev.demux = &client->demux.dmx;
338 client->dmxdev.capabilities = 0;
340 rc = dvb_dmxdev_init(&client->dmxdev, &client->adapter);
343 printk("%s dvb_dmxdev_init failed %d\n", __func__, rc);
347 // init and register frontend
348 memcpy(&client->frontend.ops, &smsdvb_fe_ops, sizeof(struct dvb_frontend_ops));
350 rc = dvb_register_frontend(&client->adapter, &client->frontend);
353 printk("%s frontend registration failed %d\n", __func__, rc);
357 params.initial_id = 0;
358 params.data_type = MSG_SMS_DVBT_BDA_DATA;
359 params.onresponse_handler = smsdvb_onresponse;
360 params.onremove_handler = smsdvb_onremove;
361 params.context = client;
363 rc = smscore_register_client(coredev, ¶ms, &client->smsclient);
366 printk(KERN_INFO "%s smscore_register_client() failed %d\n", __func__, rc);
370 client->coredev = coredev;
372 init_completion(&client->tune_done);
373 init_completion(&client->stat_done);
375 kmutex_lock(&g_smsdvb_clientslock);
377 list_add(&client->entry, &g_smsdvb_clients);
379 kmutex_unlock(&g_smsdvb_clientslock);
381 printk(KERN_INFO "%s success\n", __func__);
386 dvb_unregister_frontend(&client->frontend);
389 dvb_dmxdev_release(&client->dmxdev);
392 dvb_dmx_release(&client->demux);
395 dvb_unregister_adapter(&client->adapter);
402 int smsdvb_register(void)
406 INIT_LIST_HEAD(&g_smsdvb_clients);
407 kmutex_init(&g_smsdvb_clientslock);
409 rc = smscore_register_hotplug(smsdvb_hotplug);
411 printk(KERN_INFO "%s\n", __func__);
416 void smsdvb_unregister(void)
418 smscore_unregister_hotplug(smsdvb_hotplug);
420 kmutex_lock(&g_smsdvb_clientslock);
422 while (!list_empty(&g_smsdvb_clients))
423 smsdvb_unregister_client((smsdvb_client_t*) g_smsdvb_clients.next);
425 kmutex_unlock(&g_smsdvb_clientslock);