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);
37 switch (phdr->msgType) {
38 case MSG_SMS_DVBT_BDA_DATA:
39 dvb_dmx_swfilter(&client->demux, (u8 *)(phdr + 1),
40 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 =
50 (SmsMsgStatisticsInfo_ST *)(phdr + 1);
52 if (p->Stat.IsDemodLocked) {
53 client->fe_status = FE_HAS_SIGNAL |
59 client->fe_snr = p->Stat.SNR;
60 client->fe_ber = p->Stat.BER;
62 if (p->Stat.InBandPwr < -95)
63 client->fe_signal_strength = 0;
64 else if (p->Stat.InBandPwr > -29)
65 client->fe_signal_strength = 100;
67 client->fe_signal_strength =
68 (p->Stat.InBandPwr + 95) * 3 / 2;
70 client->fe_status = 0;
73 client->fe_signal_strength = 0;
76 complete(&client->stat_done);
80 smscore_putbuffer(client->coredev, cb);
85 void smsdvb_unregister_client(smsdvb_client_t *client)
87 /* must be called under clientslock */
89 list_del(&client->entry);
91 smscore_unregister_client(client->smsclient);
92 dvb_unregister_frontend(&client->frontend);
93 dvb_dmxdev_release(&client->dmxdev);
94 dvb_dmx_release(&client->demux);
95 dvb_unregister_adapter(&client->adapter);
99 void smsdvb_onremove(void *context)
101 kmutex_lock(&g_smsdvb_clientslock);
103 smsdvb_unregister_client((smsdvb_client_t *) context);
105 kmutex_unlock(&g_smsdvb_clientslock);
108 static int smsdvb_start_feed(struct dvb_demux_feed *feed)
110 smsdvb_client_t *client =
111 container_of(feed->demux, smsdvb_client_t, demux);
112 SmsMsgData_ST PidMsg;
114 printk("%s add pid %d(%x)\n", __func__, feed->pid, feed->pid);
116 PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
117 PidMsg.xMsgHeader.msgDstId = HIF_TASK;
118 PidMsg.xMsgHeader.msgFlags = 0;
119 PidMsg.xMsgHeader.msgType = MSG_SMS_ADD_PID_FILTER_REQ;
120 PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
121 PidMsg.msgData[0] = feed->pid;
123 return smsclient_sendrequest(client->smsclient,
124 &PidMsg, sizeof(PidMsg));
127 static int smsdvb_stop_feed(struct dvb_demux_feed *feed)
129 smsdvb_client_t *client =
130 container_of(feed->demux, smsdvb_client_t, demux);
131 SmsMsgData_ST PidMsg;
133 printk("%s remove pid %d(%x)\n", __func__, feed->pid, feed->pid);
135 PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
136 PidMsg.xMsgHeader.msgDstId = HIF_TASK;
137 PidMsg.xMsgHeader.msgFlags = 0;
138 PidMsg.xMsgHeader.msgType = MSG_SMS_REMOVE_PID_FILTER_REQ;
139 PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
140 PidMsg.msgData[0] = feed->pid;
142 return smsclient_sendrequest(client->smsclient,
143 &PidMsg, sizeof(PidMsg));
146 static int smsdvb_sendrequest_and_wait(smsdvb_client_t *client,
147 void *buffer, size_t size,
148 struct completion *completion)
150 int rc = smsclient_sendrequest(client->smsclient, buffer, size);
154 return wait_for_completion_timeout(completion,
155 msecs_to_jiffies(2000)) ?
159 static int smsdvb_send_statistics_request(smsdvb_client_t *client)
161 SmsMsgHdr_ST Msg = { MSG_SMS_GET_STATISTICS_REQ,
162 DVBT_BDA_CONTROL_MSG_ID,
163 HIF_TASK, sizeof(SmsMsgHdr_ST), 0 };
164 return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
168 static int smsdvb_read_status(struct dvb_frontend *fe, fe_status_t *stat)
170 smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend);
171 int rc = smsdvb_send_statistics_request(client);
174 *stat = client->fe_status;
179 static int smsdvb_read_ber(struct dvb_frontend *fe, u32 *ber)
181 smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend);
182 int rc = smsdvb_send_statistics_request(client);
185 *ber = client->fe_ber;
190 static int smsdvb_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
192 smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend);
193 int rc = smsdvb_send_statistics_request(client);
196 *strength = client->fe_signal_strength;
201 static int smsdvb_read_snr(struct dvb_frontend *fe, u16 *snr)
203 smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend);
204 int rc = smsdvb_send_statistics_request(client);
207 *snr = client->fe_snr;
212 static int smsdvb_get_tune_settings(struct dvb_frontend *fe,
213 struct dvb_frontend_tune_settings *tune)
215 printk("%s\n", __func__);
217 tune->min_delay_ms = 400;
218 tune->step_size = 250000;
223 static int smsdvb_set_frontend(struct dvb_frontend *fe,
224 struct dvb_frontend_parameters *fep)
226 smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend);
234 Msg.Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
235 Msg.Msg.msgDstId = HIF_TASK;
236 Msg.Msg.msgFlags = 0;
237 Msg.Msg.msgType = MSG_SMS_RF_TUNE_REQ;
238 Msg.Msg.msgLength = sizeof(Msg);
239 Msg.Data[0] = fep->frequency;
240 Msg.Data[2] = 12000000;
242 printk("%s freq %d band %d\n", __func__,
243 fep->frequency, fep->u.ofdm.bandwidth);
245 switch (fep->u.ofdm.bandwidth) {
246 case BANDWIDTH_8_MHZ: Msg.Data[1] = BW_8_MHZ; break;
247 case BANDWIDTH_7_MHZ: Msg.Data[1] = BW_7_MHZ; break;
248 case BANDWIDTH_6_MHZ: Msg.Data[1] = BW_6_MHZ; break;
249 case BANDWIDTH_AUTO: return -EOPNOTSUPP;
250 default: return -EINVAL;
253 return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
257 static int smsdvb_get_frontend(struct dvb_frontend *fe,
258 struct dvb_frontend_parameters *fep)
260 smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend);
262 printk("%s\n", __func__);
265 memcpy(fep, &client->fe_params,
266 sizeof(struct dvb_frontend_parameters));
270 static void smsdvb_release(struct dvb_frontend *fe)
275 static struct dvb_frontend_ops smsdvb_fe_ops = {
277 .name = "Siano Mobile Digital SMS10xx",
279 .frequency_min = 44250000,
280 .frequency_max = 867250000,
281 .frequency_stepsize = 250000,
282 .caps = FE_CAN_INVERSION_AUTO |
283 FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
284 FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
285 FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 |
286 FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO |
287 FE_CAN_GUARD_INTERVAL_AUTO |
289 FE_CAN_HIERARCHY_AUTO,
292 .release = smsdvb_release,
294 .set_frontend = smsdvb_set_frontend,
295 .get_frontend = smsdvb_get_frontend,
296 .get_tune_settings = smsdvb_get_tune_settings,
298 .read_status = smsdvb_read_status,
299 .read_ber = smsdvb_read_ber,
300 .read_signal_strength = smsdvb_read_signal_strength,
301 .read_snr = smsdvb_read_snr,
304 int smsdvb_hotplug(smscore_device_t *coredev,
305 struct device *device, int arrival)
307 smsclient_params_t params;
308 smsdvb_client_t *client;
311 /* device removal handled by onremove callback */
315 if (smscore_get_device_mode(coredev) != 4) {
316 printk(KERN_ERR "%sSMS Device mode is not set for DVB operation.\n", __func__);
320 client = kzalloc(sizeof(smsdvb_client_t), GFP_KERNEL);
322 printk(KERN_INFO "%s kmalloc() failed\n", __func__);
326 /* register dvb adapter */
327 rc = dvb_register_adapter(&client->adapter, "Siano Digital Receiver",
328 THIS_MODULE, device, adapter_nr);
330 printk("%s dvb_register_adapter() failed %d\n", __func__, rc);
335 client->demux.dmx.capabilities = DMX_TS_FILTERING;
336 client->demux.filternum = 32; /* todo: nova ??? */
337 client->demux.feednum = 32;
338 client->demux.start_feed = smsdvb_start_feed;
339 client->demux.stop_feed = smsdvb_stop_feed;
341 rc = dvb_dmx_init(&client->demux);
343 printk("%s dvb_dmx_init failed %d\n\n", __func__, rc);
348 client->dmxdev.filternum = 32;
349 client->dmxdev.demux = &client->demux.dmx;
350 client->dmxdev.capabilities = 0;
352 rc = dvb_dmxdev_init(&client->dmxdev, &client->adapter);
354 printk("%s dvb_dmxdev_init failed %d\n", __func__, rc);
358 /* init and register frontend */
359 memcpy(&client->frontend.ops, &smsdvb_fe_ops,
360 sizeof(struct dvb_frontend_ops));
362 rc = dvb_register_frontend(&client->adapter, &client->frontend);
364 printk("%s frontend registration failed %d\n", __func__, rc);
368 params.initial_id = 1;
369 params.data_type = MSG_SMS_DVBT_BDA_DATA;
370 params.onresponse_handler = smsdvb_onresponse;
371 params.onremove_handler = smsdvb_onremove;
372 params.context = client;
374 rc = smscore_register_client(coredev, ¶ms, &client->smsclient);
376 printk(KERN_INFO "%s smscore_register_client() failed %d\n",
381 client->coredev = coredev;
383 init_completion(&client->tune_done);
384 init_completion(&client->stat_done);
386 kmutex_lock(&g_smsdvb_clientslock);
388 list_add(&client->entry, &g_smsdvb_clients);
390 kmutex_unlock(&g_smsdvb_clientslock);
392 printk(KERN_INFO "%s success\n", __func__);
397 dvb_unregister_frontend(&client->frontend);
400 dvb_dmxdev_release(&client->dmxdev);
403 dvb_dmx_release(&client->demux);
406 dvb_unregister_adapter(&client->adapter);
413 int smsdvb_register(void)
417 INIT_LIST_HEAD(&g_smsdvb_clients);
418 kmutex_init(&g_smsdvb_clientslock);
420 rc = smscore_register_hotplug(smsdvb_hotplug);
422 printk(KERN_INFO "%s\n", __func__);
427 void smsdvb_unregister(void)
429 smscore_unregister_hotplug(smsdvb_hotplug);
431 kmutex_lock(&g_smsdvb_clientslock);
433 while (!list_empty(&g_smsdvb_clients))
434 smsdvb_unregister_client(
435 (smsdvb_client_t *) g_smsdvb_clients.next);
437 kmutex_unlock(&g_smsdvb_clientslock);