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