Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/borntraeger...
[firefly-linux-kernel-4.4.55.git] / drivers / media / usb / dvb-usb-v2 / dvbsky.c
1 /*
2  * Driver for DVBSky USB2.0 receiver
3  *
4  * Copyright (C) 2013 Max nibble <nibble.max@gmail.com>
5  *
6  *    This program is free software; you can redistribute it and/or modify
7  *    it under the terms of the GNU General Public License as published by
8  *    the Free Software Foundation; either version 2 of the License, or
9  *    (at your option) any later version.
10  *
11  *    This program is distributed in the hope that it will be useful,
12  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *    GNU General Public License for more details.
15  *
16  *    You should have received a copy of the GNU General Public License
17  *    along with this program; if not, write to the Free Software
18  *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19  */
20
21 #include "dvb_usb.h"
22 #include "m88ds3103.h"
23 #include "m88ts2022.h"
24 #include "sp2.h"
25 #include "si2168.h"
26 #include "si2157.h"
27
28 #define DVBSKY_MSG_DELAY        0/*2000*/
29 #define DVBSKY_BUF_LEN  64
30
31 static int dvb_usb_dvbsky_disable_rc;
32 module_param_named(disable_rc, dvb_usb_dvbsky_disable_rc, int, 0644);
33 MODULE_PARM_DESC(disable_rc, "Disable inbuilt IR receiver.");
34
35 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
36
37 struct dvbsky_state {
38         struct mutex stream_mutex;
39         u8 ibuf[DVBSKY_BUF_LEN];
40         u8 obuf[DVBSKY_BUF_LEN];
41         u8 last_lock;
42         struct i2c_client *i2c_client_demod;
43         struct i2c_client *i2c_client_tuner;
44         struct i2c_client *i2c_client_ci;
45
46         /* fe hook functions*/
47         int (*fe_set_voltage)(struct dvb_frontend *fe,
48                 fe_sec_voltage_t voltage);
49         int (*fe_read_status)(struct dvb_frontend *fe,
50                 fe_status_t *status);
51 };
52
53 static int dvbsky_usb_generic_rw(struct dvb_usb_device *d,
54                 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
55 {
56         int ret;
57         struct dvbsky_state *state = d_to_priv(d);
58
59         mutex_lock(&d->usb_mutex);
60         if (wlen != 0)
61                 memcpy(state->obuf, wbuf, wlen);
62
63         ret = dvb_usbv2_generic_rw_locked(d, state->obuf, wlen,
64                         state->ibuf, rlen);
65
66         if (!ret && (rlen != 0))
67                 memcpy(rbuf, state->ibuf, rlen);
68
69         mutex_unlock(&d->usb_mutex);
70         return ret;
71 }
72
73 static int dvbsky_stream_ctrl(struct dvb_usb_device *d, u8 onoff)
74 {
75         struct dvbsky_state *state = d_to_priv(d);
76         int ret;
77         u8 obuf_pre[3] = { 0x37, 0, 0 };
78         u8 obuf_post[3] = { 0x36, 3, 0 };
79
80         mutex_lock(&state->stream_mutex);
81         ret = dvbsky_usb_generic_rw(d, obuf_pre, 3, NULL, 0);
82         if (!ret && onoff) {
83                 msleep(20);
84                 ret = dvbsky_usb_generic_rw(d, obuf_post, 3, NULL, 0);
85         }
86         mutex_unlock(&state->stream_mutex);
87         return ret;
88 }
89
90 static int dvbsky_streaming_ctrl(struct dvb_frontend *fe, int onoff)
91 {
92         struct dvb_usb_device *d = fe_to_d(fe);
93
94         return dvbsky_stream_ctrl(d, (onoff == 0) ? 0 : 1);
95 }
96
97 /* GPIO */
98 static int dvbsky_gpio_ctrl(struct dvb_usb_device *d, u8 gport, u8 value)
99 {
100         int ret;
101         u8 obuf[3], ibuf[2];
102
103         obuf[0] = 0x0e;
104         obuf[1] = gport;
105         obuf[2] = value;
106         ret = dvbsky_usb_generic_rw(d, obuf, 3, ibuf, 1);
107         if (ret)
108                 dev_err(&d->udev->dev, "failed=%d\n", ret);
109         return ret;
110 }
111
112 /* I2C */
113 static int dvbsky_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
114         int num)
115 {
116         struct dvb_usb_device *d = i2c_get_adapdata(adap);
117         int ret = 0;
118         u8 ibuf[64], obuf[64];
119
120         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
121                 return -EAGAIN;
122
123         if (num > 2) {
124                 dev_err(&d->udev->dev,
125                 "too many i2c messages[%d], max 2.", num);
126                 ret = -EOPNOTSUPP;
127                 goto i2c_error;
128         }
129
130         if (num == 1) {
131                 if (msg[0].len > 60) {
132                         dev_err(&d->udev->dev,
133                         "too many i2c bytes[%d], max 60.",
134                         msg[0].len);
135                         ret = -EOPNOTSUPP;
136                         goto i2c_error;
137                 }
138                 if (msg[0].flags & I2C_M_RD) {
139                         /* single read */
140                         obuf[0] = 0x09;
141                         obuf[1] = 0;
142                         obuf[2] = msg[0].len;
143                         obuf[3] = msg[0].addr;
144                         ret = dvbsky_usb_generic_rw(d, obuf, 4,
145                                         ibuf, msg[0].len + 1);
146                         if (ret)
147                                 dev_err(&d->udev->dev, "failed=%d\n", ret);
148                         if (!ret)
149                                 memcpy(msg[0].buf, &ibuf[1], msg[0].len);
150                 } else {
151                         /* write */
152                         obuf[0] = 0x08;
153                         obuf[1] = msg[0].addr;
154                         obuf[2] = msg[0].len;
155                         memcpy(&obuf[3], msg[0].buf, msg[0].len);
156                         ret = dvbsky_usb_generic_rw(d, obuf,
157                                         msg[0].len + 3, ibuf, 1);
158                         if (ret)
159                                 dev_err(&d->udev->dev, "failed=%d\n", ret);
160                 }
161         } else {
162                 if ((msg[0].len > 60) || (msg[1].len > 60)) {
163                         dev_err(&d->udev->dev,
164                         "too many i2c bytes[w-%d][r-%d], max 60.",
165                         msg[0].len, msg[1].len);
166                         ret = -EOPNOTSUPP;
167                         goto i2c_error;
168                 }
169                 /* write then read */
170                 obuf[0] = 0x09;
171                 obuf[1] = msg[0].len;
172                 obuf[2] = msg[1].len;
173                 obuf[3] = msg[0].addr;
174                 memcpy(&obuf[4], msg[0].buf, msg[0].len);
175                 ret = dvbsky_usb_generic_rw(d, obuf,
176                         msg[0].len + 4, ibuf, msg[1].len + 1);
177                 if (ret)
178                         dev_err(&d->udev->dev, "failed=%d\n", ret);
179
180                 if (!ret)
181                         memcpy(msg[1].buf, &ibuf[1], msg[1].len);
182         }
183 i2c_error:
184         mutex_unlock(&d->i2c_mutex);
185         return (ret) ? ret : num;
186 }
187
188 static u32 dvbsky_i2c_func(struct i2c_adapter *adapter)
189 {
190         return I2C_FUNC_I2C;
191 }
192
193 static struct i2c_algorithm dvbsky_i2c_algo = {
194         .master_xfer   = dvbsky_i2c_xfer,
195         .functionality = dvbsky_i2c_func,
196 };
197
198 #if IS_ENABLED(CONFIG_RC_CORE)
199 static int dvbsky_rc_query(struct dvb_usb_device *d)
200 {
201         u32 code = 0xffff, scancode;
202         u8 rc5_command, rc5_system;
203         u8 obuf[2], ibuf[2], toggle;
204         int ret;
205
206         obuf[0] = 0x10;
207         ret = dvbsky_usb_generic_rw(d, obuf, 1, ibuf, 2);
208         if (ret)
209                 dev_err(&d->udev->dev, "failed=%d\n", ret);
210         if (ret == 0)
211                 code = (ibuf[0] << 8) | ibuf[1];
212         if (code != 0xffff) {
213                 dev_dbg(&d->udev->dev, "rc code: %x\n", code);
214                 rc5_command = code & 0x3F;
215                 rc5_system = (code & 0x7C0) >> 6;
216                 toggle = (code & 0x800) ? 1 : 0;
217                 scancode = rc5_system << 8 | rc5_command;
218                 rc_keydown(d->rc_dev, RC_TYPE_RC5, scancode, toggle);
219         }
220         return 0;
221 }
222
223 static int dvbsky_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
224 {
225         if (dvb_usb_dvbsky_disable_rc) {
226                 rc->map_name = NULL;
227                 return 0;
228         }
229
230         rc->allowed_protos = RC_BIT_RC5;
231         rc->query          = dvbsky_rc_query;
232         rc->interval       = 300;
233         return 0;
234 }
235 #else
236         #define dvbsky_get_rc_config NULL
237 #endif
238
239 static int dvbsky_usb_set_voltage(struct dvb_frontend *fe,
240         fe_sec_voltage_t voltage)
241 {
242         struct dvb_usb_device *d = fe_to_d(fe);
243         struct dvbsky_state *state = d_to_priv(d);
244         u8 value;
245
246         if (voltage == SEC_VOLTAGE_OFF)
247                 value = 0;
248         else
249                 value = 1;
250         dvbsky_gpio_ctrl(d, 0x80, value);
251
252         return state->fe_set_voltage(fe, voltage);
253 }
254
255 static int dvbsky_read_mac_addr(struct dvb_usb_adapter *adap, u8 mac[6])
256 {
257         struct dvb_usb_device *d = adap_to_d(adap);
258         u8 obuf[] = { 0x1e, 0x00 };
259         u8 ibuf[6] = { 0 };
260         struct i2c_msg msg[] = {
261                 {
262                         .addr = 0x51,
263                         .flags = 0,
264                         .buf = obuf,
265                         .len = 2,
266                 }, {
267                         .addr = 0x51,
268                         .flags = I2C_M_RD,
269                         .buf = ibuf,
270                         .len = 6,
271                 }
272         };
273
274         if (i2c_transfer(&d->i2c_adap, msg, 2) == 2)
275                 memcpy(mac, ibuf, 6);
276
277         return 0;
278 }
279
280 static int dvbsky_usb_read_status(struct dvb_frontend *fe, fe_status_t *status)
281 {
282         struct dvb_usb_device *d = fe_to_d(fe);
283         struct dvbsky_state *state = d_to_priv(d);
284         int ret;
285
286         ret = state->fe_read_status(fe, status);
287
288         /* it need resync slave fifo when signal change from unlock to lock.*/
289         if ((*status & FE_HAS_LOCK) && (!state->last_lock))
290                 dvbsky_stream_ctrl(d, 1);
291
292         state->last_lock = (*status & FE_HAS_LOCK) ? 1 : 0;
293         return ret;
294 }
295
296 static const struct m88ds3103_config dvbsky_s960_m88ds3103_config = {
297         .i2c_addr = 0x68,
298         .clock = 27000000,
299         .i2c_wr_max = 33,
300         .clock_out = 0,
301         .ts_mode = M88DS3103_TS_CI,
302         .ts_clk = 16000,
303         .ts_clk_pol = 0,
304         .agc = 0x99,
305         .lnb_hv_pol = 1,
306         .lnb_en_pol = 1,
307 };
308
309 static int dvbsky_s960_attach(struct dvb_usb_adapter *adap)
310 {
311         struct dvbsky_state *state = adap_to_priv(adap);
312         struct dvb_usb_device *d = adap_to_d(adap);
313         int ret = 0;
314         /* demod I2C adapter */
315         struct i2c_adapter *i2c_adapter;
316         struct i2c_client *client;
317         struct i2c_board_info info;
318         struct m88ts2022_config m88ts2022_config = {
319                         .clock = 27000000,
320                 };
321         memset(&info, 0, sizeof(struct i2c_board_info));
322
323         /* attach demod */
324         adap->fe[0] = dvb_attach(m88ds3103_attach,
325                         &dvbsky_s960_m88ds3103_config,
326                         &d->i2c_adap,
327                         &i2c_adapter);
328         if (!adap->fe[0]) {
329                 dev_err(&d->udev->dev, "dvbsky_s960_attach fail.\n");
330                 ret = -ENODEV;
331                 goto fail_attach;
332         }
333
334         /* attach tuner */
335         m88ts2022_config.fe = adap->fe[0];
336         strlcpy(info.type, "m88ts2022", I2C_NAME_SIZE);
337         info.addr = 0x60;
338         info.platform_data = &m88ts2022_config;
339         request_module("m88ts2022");
340         client = i2c_new_device(i2c_adapter, &info);
341         if (client == NULL || client->dev.driver == NULL) {
342                 dvb_frontend_detach(adap->fe[0]);
343                 ret = -ENODEV;
344                 goto fail_attach;
345         }
346
347         if (!try_module_get(client->dev.driver->owner)) {
348                 i2c_unregister_device(client);
349                 dvb_frontend_detach(adap->fe[0]);
350                 ret = -ENODEV;
351                 goto fail_attach;
352         }
353
354         /* delegate signal strength measurement to tuner */
355         adap->fe[0]->ops.read_signal_strength =
356                         adap->fe[0]->ops.tuner_ops.get_rf_strength;
357
358         /* hook fe: need to resync the slave fifo when signal locks. */
359         state->fe_read_status = adap->fe[0]->ops.read_status;
360         adap->fe[0]->ops.read_status = dvbsky_usb_read_status;
361
362         /* hook fe: LNB off/on is control by Cypress usb chip. */
363         state->fe_set_voltage = adap->fe[0]->ops.set_voltage;
364         adap->fe[0]->ops.set_voltage = dvbsky_usb_set_voltage;
365
366         state->i2c_client_tuner = client;
367
368 fail_attach:
369         return ret;
370 }
371
372 static int dvbsky_usb_ci_set_voltage(struct dvb_frontend *fe,
373         fe_sec_voltage_t voltage)
374 {
375         struct dvb_usb_device *d = fe_to_d(fe);
376         struct dvbsky_state *state = d_to_priv(d);
377         u8 value;
378
379         if (voltage == SEC_VOLTAGE_OFF)
380                 value = 0;
381         else
382                 value = 1;
383         dvbsky_gpio_ctrl(d, 0x00, value);
384
385         return state->fe_set_voltage(fe, voltage);
386 }
387
388 static int dvbsky_ci_ctrl(void *priv, u8 read, int addr,
389                                         u8 data, int *mem)
390 {
391         struct dvb_usb_device *d = priv;
392         int ret = 0;
393         u8 command[4], respond[2], command_size, respond_size;
394
395         command[1] = (u8)((addr >> 8) & 0xff); /*high part of address*/
396         command[2] = (u8)(addr & 0xff); /*low part of address*/
397         if (read) {
398                 command[0] = 0x71;
399                 command_size = 3;
400                 respond_size = 2;
401         } else {
402                 command[0] = 0x70;
403                 command[3] = data;
404                 command_size = 4;
405                 respond_size = 1;
406         }
407         ret = dvbsky_usb_generic_rw(d, command, command_size,
408                         respond, respond_size);
409         if (ret)
410                 goto err;
411         if (read)
412                 *mem = respond[1];
413         return ret;
414 err:
415         dev_err(&d->udev->dev, "ci control failed=%d\n", ret);
416         return ret;
417 }
418
419 static const struct m88ds3103_config dvbsky_s960c_m88ds3103_config = {
420         .i2c_addr = 0x68,
421         .clock = 27000000,
422         .i2c_wr_max = 33,
423         .clock_out = 0,
424         .ts_mode = M88DS3103_TS_CI,
425         .ts_clk = 10000,
426         .ts_clk_pol = 1,
427         .agc = 0x99,
428         .lnb_hv_pol = 0,
429         .lnb_en_pol = 1,
430 };
431
432 static int dvbsky_s960c_attach(struct dvb_usb_adapter *adap)
433 {
434         struct dvbsky_state *state = adap_to_priv(adap);
435         struct dvb_usb_device *d = adap_to_d(adap);
436         int ret = 0;
437         /* demod I2C adapter */
438         struct i2c_adapter *i2c_adapter;
439         struct i2c_client *client_tuner, *client_ci;
440         struct i2c_board_info info;
441         struct sp2_config sp2_config;
442         struct m88ts2022_config m88ts2022_config = {
443                         .clock = 27000000,
444                 };
445         memset(&info, 0, sizeof(struct i2c_board_info));
446
447         /* attach demod */
448         adap->fe[0] = dvb_attach(m88ds3103_attach,
449                         &dvbsky_s960c_m88ds3103_config,
450                         &d->i2c_adap,
451                         &i2c_adapter);
452         if (!adap->fe[0]) {
453                 dev_err(&d->udev->dev, "dvbsky_s960ci_attach fail.\n");
454                 ret = -ENODEV;
455                 goto fail_attach;
456         }
457
458         /* attach tuner */
459         m88ts2022_config.fe = adap->fe[0];
460         strlcpy(info.type, "m88ts2022", I2C_NAME_SIZE);
461         info.addr = 0x60;
462         info.platform_data = &m88ts2022_config;
463         request_module("m88ts2022");
464         client_tuner = i2c_new_device(i2c_adapter, &info);
465         if (client_tuner == NULL || client_tuner->dev.driver == NULL) {
466                 ret = -ENODEV;
467                 goto fail_tuner_device;
468         }
469
470         if (!try_module_get(client_tuner->dev.driver->owner)) {
471                 ret = -ENODEV;
472                 goto fail_tuner_module;
473         }
474
475         /* attach ci controller */
476         memset(&sp2_config, 0, sizeof(sp2_config));
477         sp2_config.dvb_adap = &adap->dvb_adap;
478         sp2_config.priv = d;
479         sp2_config.ci_control = dvbsky_ci_ctrl;
480         memset(&info, 0, sizeof(struct i2c_board_info));
481         strlcpy(info.type, "sp2", I2C_NAME_SIZE);
482         info.addr = 0x40;
483         info.platform_data = &sp2_config;
484         request_module("sp2");
485         client_ci = i2c_new_device(&d->i2c_adap, &info);
486         if (client_ci == NULL || client_ci->dev.driver == NULL) {
487                 ret = -ENODEV;
488                 goto fail_ci_device;
489         }
490
491         if (!try_module_get(client_ci->dev.driver->owner)) {
492                 ret = -ENODEV;
493                 goto fail_ci_module;
494         }
495
496         /* delegate signal strength measurement to tuner */
497         adap->fe[0]->ops.read_signal_strength =
498                         adap->fe[0]->ops.tuner_ops.get_rf_strength;
499
500         /* hook fe: need to resync the slave fifo when signal locks. */
501         state->fe_read_status = adap->fe[0]->ops.read_status;
502         adap->fe[0]->ops.read_status = dvbsky_usb_read_status;
503
504         /* hook fe: LNB off/on is control by Cypress usb chip. */
505         state->fe_set_voltage = adap->fe[0]->ops.set_voltage;
506         adap->fe[0]->ops.set_voltage = dvbsky_usb_ci_set_voltage;
507
508         state->i2c_client_tuner = client_tuner;
509         state->i2c_client_ci = client_ci;
510         return ret;
511 fail_ci_module:
512         i2c_unregister_device(client_ci);
513 fail_ci_device:
514         module_put(client_tuner->dev.driver->owner);
515 fail_tuner_module:
516         i2c_unregister_device(client_tuner);
517 fail_tuner_device:
518         dvb_frontend_detach(adap->fe[0]);
519 fail_attach:
520         return ret;
521 }
522
523 static int dvbsky_t680c_attach(struct dvb_usb_adapter *adap)
524 {
525         struct dvbsky_state *state = adap_to_priv(adap);
526         struct dvb_usb_device *d = adap_to_d(adap);
527         int ret = 0;
528         struct i2c_adapter *i2c_adapter;
529         struct i2c_client *client_demod, *client_tuner, *client_ci;
530         struct i2c_board_info info;
531         struct si2168_config si2168_config;
532         struct si2157_config si2157_config;
533         struct sp2_config sp2_config;
534
535         /* attach demod */
536         memset(&si2168_config, 0, sizeof(si2168_config));
537         si2168_config.i2c_adapter = &i2c_adapter;
538         si2168_config.fe = &adap->fe[0];
539         si2168_config.ts_mode = SI2168_TS_PARALLEL;
540         memset(&info, 0, sizeof(struct i2c_board_info));
541         strlcpy(info.type, "si2168", I2C_NAME_SIZE);
542         info.addr = 0x64;
543         info.platform_data = &si2168_config;
544
545         request_module(info.type);
546         client_demod = i2c_new_device(&d->i2c_adap, &info);
547         if (client_demod == NULL ||
548                         client_demod->dev.driver == NULL)
549                 goto fail_demod_device;
550         if (!try_module_get(client_demod->dev.driver->owner))
551                 goto fail_demod_module;
552
553         /* attach tuner */
554         memset(&si2157_config, 0, sizeof(si2157_config));
555         si2157_config.fe = adap->fe[0];
556         memset(&info, 0, sizeof(struct i2c_board_info));
557         strlcpy(info.type, "si2157", I2C_NAME_SIZE);
558         info.addr = 0x60;
559         info.platform_data = &si2157_config;
560
561         request_module(info.type);
562         client_tuner = i2c_new_device(i2c_adapter, &info);
563         if (client_tuner == NULL ||
564                         client_tuner->dev.driver == NULL)
565                 goto fail_tuner_device;
566         if (!try_module_get(client_tuner->dev.driver->owner))
567                 goto fail_tuner_module;
568
569         /* attach ci controller */
570         memset(&sp2_config, 0, sizeof(sp2_config));
571         sp2_config.dvb_adap = &adap->dvb_adap;
572         sp2_config.priv = d;
573         sp2_config.ci_control = dvbsky_ci_ctrl;
574         memset(&info, 0, sizeof(struct i2c_board_info));
575         strlcpy(info.type, "sp2", I2C_NAME_SIZE);
576         info.addr = 0x40;
577         info.platform_data = &sp2_config;
578
579         request_module(info.type);
580         client_ci = i2c_new_device(&d->i2c_adap, &info);
581
582         if (client_ci == NULL || client_ci->dev.driver == NULL)
583                 goto fail_ci_device;
584
585         if (!try_module_get(client_ci->dev.driver->owner))
586                 goto fail_ci_module;
587
588         state->i2c_client_demod = client_demod;
589         state->i2c_client_tuner = client_tuner;
590         state->i2c_client_ci = client_ci;
591         return ret;
592 fail_ci_module:
593         i2c_unregister_device(client_ci);
594 fail_ci_device:
595         module_put(client_tuner->dev.driver->owner);
596 fail_tuner_module:
597         i2c_unregister_device(client_tuner);
598 fail_tuner_device:
599         module_put(client_demod->dev.driver->owner);
600 fail_demod_module:
601         i2c_unregister_device(client_demod);
602 fail_demod_device:
603         ret = -ENODEV;
604         return ret;
605 }
606
607 static int dvbsky_t330_attach(struct dvb_usb_adapter *adap)
608 {
609         struct dvbsky_state *state = adap_to_priv(adap);
610         struct dvb_usb_device *d = adap_to_d(adap);
611         int ret = 0;
612         struct i2c_adapter *i2c_adapter;
613         struct i2c_client *client_demod, *client_tuner;
614         struct i2c_board_info info;
615         struct si2168_config si2168_config;
616         struct si2157_config si2157_config;
617
618         /* attach demod */
619         memset(&si2168_config, 0, sizeof(si2168_config));
620         si2168_config.i2c_adapter = &i2c_adapter;
621         si2168_config.fe = &adap->fe[0];
622         si2168_config.ts_mode = SI2168_TS_PARALLEL | 0x40;
623         memset(&info, 0, sizeof(struct i2c_board_info));
624         strlcpy(info.type, "si2168", I2C_NAME_SIZE);
625         info.addr = 0x64;
626         info.platform_data = &si2168_config;
627
628         request_module(info.type);
629         client_demod = i2c_new_device(&d->i2c_adap, &info);
630         if (client_demod == NULL ||
631                         client_demod->dev.driver == NULL)
632                 goto fail_demod_device;
633         if (!try_module_get(client_demod->dev.driver->owner))
634                 goto fail_demod_module;
635
636         /* attach tuner */
637         memset(&si2157_config, 0, sizeof(si2157_config));
638         si2157_config.fe = adap->fe[0];
639         memset(&info, 0, sizeof(struct i2c_board_info));
640         strlcpy(info.type, "si2157", I2C_NAME_SIZE);
641         info.addr = 0x60;
642         info.platform_data = &si2157_config;
643
644         request_module(info.type);
645         client_tuner = i2c_new_device(i2c_adapter, &info);
646         if (client_tuner == NULL ||
647                         client_tuner->dev.driver == NULL)
648                 goto fail_tuner_device;
649         if (!try_module_get(client_tuner->dev.driver->owner))
650                 goto fail_tuner_module;
651
652         state->i2c_client_demod = client_demod;
653         state->i2c_client_tuner = client_tuner;
654         return ret;
655 fail_tuner_module:
656         i2c_unregister_device(client_tuner);
657 fail_tuner_device:
658         module_put(client_demod->dev.driver->owner);
659 fail_demod_module:
660         i2c_unregister_device(client_demod);
661 fail_demod_device:
662         ret = -ENODEV;
663         return ret;
664 }
665
666 static int dvbsky_identify_state(struct dvb_usb_device *d, const char **name)
667 {
668         dvbsky_gpio_ctrl(d, 0x04, 1);
669         msleep(20);
670         dvbsky_gpio_ctrl(d, 0x83, 0);
671         dvbsky_gpio_ctrl(d, 0xc0, 1);
672         msleep(100);
673         dvbsky_gpio_ctrl(d, 0x83, 1);
674         dvbsky_gpio_ctrl(d, 0xc0, 0);
675         msleep(50);
676
677         return WARM;
678 }
679
680 static int dvbsky_init(struct dvb_usb_device *d)
681 {
682         struct dvbsky_state *state = d_to_priv(d);
683
684         /* use default interface */
685         /*
686         ret = usb_set_interface(d->udev, 0, 0);
687         if (ret)
688                 return ret;
689         */
690         mutex_init(&state->stream_mutex);
691
692         state->last_lock = 0;
693
694         return 0;
695 }
696
697 static void dvbsky_exit(struct dvb_usb_device *d)
698 {
699         struct dvbsky_state *state = d_to_priv(d);
700         struct i2c_client *client;
701
702         client = state->i2c_client_tuner;
703         /* remove I2C tuner */
704         if (client) {
705                 module_put(client->dev.driver->owner);
706                 i2c_unregister_device(client);
707         }
708         client = state->i2c_client_demod;
709         /* remove I2C demod */
710         if (client) {
711                 module_put(client->dev.driver->owner);
712                 i2c_unregister_device(client);
713         }
714         client = state->i2c_client_ci;
715         /* remove I2C ci */
716         if (client) {
717                 module_put(client->dev.driver->owner);
718                 i2c_unregister_device(client);
719         }
720 }
721
722 /* DVB USB Driver stuff */
723 static struct dvb_usb_device_properties dvbsky_s960_props = {
724         .driver_name = KBUILD_MODNAME,
725         .owner = THIS_MODULE,
726         .adapter_nr = adapter_nr,
727         .size_of_priv = sizeof(struct dvbsky_state),
728
729         .generic_bulk_ctrl_endpoint = 0x01,
730         .generic_bulk_ctrl_endpoint_response = 0x81,
731         .generic_bulk_ctrl_delay = DVBSKY_MSG_DELAY,
732
733         .i2c_algo         = &dvbsky_i2c_algo,
734         .frontend_attach  = dvbsky_s960_attach,
735         .init             = dvbsky_init,
736         .get_rc_config    = dvbsky_get_rc_config,
737         .streaming_ctrl   = dvbsky_streaming_ctrl,
738         .identify_state   = dvbsky_identify_state,
739         .exit             = dvbsky_exit,
740         .read_mac_address = dvbsky_read_mac_addr,
741
742         .num_adapters = 1,
743         .adapter = {
744                 {
745                         .stream = DVB_USB_STREAM_BULK(0x82, 8, 4096),
746                 }
747         }
748 };
749
750 static struct dvb_usb_device_properties dvbsky_s960c_props = {
751         .driver_name = KBUILD_MODNAME,
752         .owner = THIS_MODULE,
753         .adapter_nr = adapter_nr,
754         .size_of_priv = sizeof(struct dvbsky_state),
755
756         .generic_bulk_ctrl_endpoint = 0x01,
757         .generic_bulk_ctrl_endpoint_response = 0x81,
758         .generic_bulk_ctrl_delay = DVBSKY_MSG_DELAY,
759
760         .i2c_algo         = &dvbsky_i2c_algo,
761         .frontend_attach  = dvbsky_s960c_attach,
762         .init             = dvbsky_init,
763         .get_rc_config    = dvbsky_get_rc_config,
764         .streaming_ctrl   = dvbsky_streaming_ctrl,
765         .identify_state   = dvbsky_identify_state,
766         .exit             = dvbsky_exit,
767         .read_mac_address = dvbsky_read_mac_addr,
768
769         .num_adapters = 1,
770         .adapter = {
771                 {
772                         .stream = DVB_USB_STREAM_BULK(0x82, 8, 4096),
773                 }
774         }
775 };
776
777 static struct dvb_usb_device_properties dvbsky_t680c_props = {
778         .driver_name = KBUILD_MODNAME,
779         .owner = THIS_MODULE,
780         .adapter_nr = adapter_nr,
781         .size_of_priv = sizeof(struct dvbsky_state),
782
783         .generic_bulk_ctrl_endpoint = 0x01,
784         .generic_bulk_ctrl_endpoint_response = 0x81,
785         .generic_bulk_ctrl_delay = DVBSKY_MSG_DELAY,
786
787         .i2c_algo         = &dvbsky_i2c_algo,
788         .frontend_attach  = dvbsky_t680c_attach,
789         .init             = dvbsky_init,
790         .get_rc_config    = dvbsky_get_rc_config,
791         .streaming_ctrl   = dvbsky_streaming_ctrl,
792         .identify_state   = dvbsky_identify_state,
793         .exit             = dvbsky_exit,
794         .read_mac_address = dvbsky_read_mac_addr,
795
796         .num_adapters = 1,
797         .adapter = {
798                 {
799                         .stream = DVB_USB_STREAM_BULK(0x82, 8, 4096),
800                 }
801         }
802 };
803
804 static struct dvb_usb_device_properties dvbsky_t330_props = {
805         .driver_name = KBUILD_MODNAME,
806         .owner = THIS_MODULE,
807         .adapter_nr = adapter_nr,
808         .size_of_priv = sizeof(struct dvbsky_state),
809
810         .generic_bulk_ctrl_endpoint = 0x01,
811         .generic_bulk_ctrl_endpoint_response = 0x81,
812         .generic_bulk_ctrl_delay = DVBSKY_MSG_DELAY,
813
814         .i2c_algo         = &dvbsky_i2c_algo,
815         .frontend_attach  = dvbsky_t330_attach,
816         .init             = dvbsky_init,
817         .get_rc_config    = dvbsky_get_rc_config,
818         .streaming_ctrl   = dvbsky_streaming_ctrl,
819         .identify_state   = dvbsky_identify_state,
820         .exit             = dvbsky_exit,
821         .read_mac_address = dvbsky_read_mac_addr,
822
823         .num_adapters = 1,
824         .adapter = {
825                 {
826                         .stream = DVB_USB_STREAM_BULK(0x82, 8, 4096),
827                 }
828         }
829 };
830
831 static const struct usb_device_id dvbsky_id_table[] = {
832         { DVB_USB_DEVICE(0x0572, 0x6831,
833                 &dvbsky_s960_props, "DVBSky S960/S860", RC_MAP_DVBSKY) },
834         { DVB_USB_DEVICE(0x0572, 0x960c,
835                 &dvbsky_s960c_props, "DVBSky S960CI", RC_MAP_DVBSKY) },
836         { DVB_USB_DEVICE(0x0572, 0x680c,
837                 &dvbsky_t680c_props, "DVBSky T680CI", RC_MAP_DVBSKY) },
838         { DVB_USB_DEVICE(0x0572, 0x0320,
839                 &dvbsky_t330_props, "DVBSky T330", RC_MAP_DVBSKY) },
840         { DVB_USB_DEVICE(USB_VID_TECHNOTREND,
841                 USB_PID_TECHNOTREND_TVSTICK_CT2_4400,
842                 &dvbsky_t330_props, "TechnoTrend TVStick CT2-4400",
843                 RC_MAP_TT_1500) },
844         { DVB_USB_DEVICE(USB_VID_TECHNOTREND,
845                 USB_PID_TECHNOTREND_CONNECT_CT2_4650_CI,
846                 &dvbsky_t680c_props, "TechnoTrend TT-connect CT2-4650 CI",
847                 RC_MAP_TT_1500) },
848         { }
849 };
850 MODULE_DEVICE_TABLE(usb, dvbsky_id_table);
851
852 static struct usb_driver dvbsky_usb_driver = {
853         .name = KBUILD_MODNAME,
854         .id_table = dvbsky_id_table,
855         .probe = dvb_usbv2_probe,
856         .disconnect = dvb_usbv2_disconnect,
857         .suspend = dvb_usbv2_suspend,
858         .resume = dvb_usbv2_resume,
859         .reset_resume = dvb_usbv2_reset_resume,
860         .no_dynamic_id = 1,
861         .soft_unbind = 1,
862 };
863
864 module_usb_driver(dvbsky_usb_driver);
865
866 MODULE_AUTHOR("Max nibble <nibble.max@gmail.com>");
867 MODULE_DESCRIPTION("Driver for DVBSky USB");
868 MODULE_LICENSE("GPL");