1 /*
2 DVB device driver for cx231xx
3
4 Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
5 Based on em28xx driver
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
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
22 #include "cx231xx.h"
23 #include <linux/kernel.h>
24 #include <linux/slab.h>
25
26 #include <media/v4l2-common.h>
27 #include <media/videobuf-vmalloc.h>
28
29 #include "xc5000.h"
30 #include "s5h1432.h"
31 #include "tda18271.h"
32 #include "s5h1411.h"
33 #include "lgdt3305.h"
34 #include "si2165.h"
35 #include "mb86a20s.h"
36 #include "si2157.h"
37 #include "lgdt3306a.h"
38
39 MODULE_DESCRIPTION("driver for cx231xx based DVB cards");
40 MODULE_AUTHOR("Srinivasa Deevi <srinivasa.deevi@conexant.com>");
41 MODULE_LICENSE("GPL");
42
43 static unsigned int debug;
44 module_param(debug, int, 0644);
45 MODULE_PARM_DESC(debug, "enable debug messages [dvb]");
46
47 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
48
49 #define CX231XX_DVB_NUM_BUFS 5
50 #define CX231XX_DVB_MAX_PACKETSIZE 564
51 #define CX231XX_DVB_MAX_PACKETS 64
52
53 struct cx231xx_dvb {
54 struct dvb_frontend *frontend;
55
56 /* feed count management */
57 struct mutex lock;
58 int nfeeds;
59
60 /* general boilerplate stuff */
61 struct dvb_adapter adapter;
62 struct dvb_demux demux;
63 struct dmxdev dmxdev;
64 struct dmx_frontend fe_hw;
65 struct dmx_frontend fe_mem;
66 struct dvb_net net;
67 struct i2c_client *i2c_client_tuner;
68 };
69
70 static struct s5h1432_config dvico_s5h1432_config = {
71 .output_mode = S5H1432_SERIAL_OUTPUT,
72 .gpio = S5H1432_GPIO_ON,
73 .qam_if = S5H1432_IF_4000,
74 .vsb_if = S5H1432_IF_4000,
75 .inversion = S5H1432_INVERSION_OFF,
76 .status_mode = S5H1432_DEMODLOCKING,
77 .mpeg_timing = S5H1432_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
78 };
79
80 static struct tda18271_std_map cnxt_rde253s_tda18271_std_map = {
81 .dvbt_6 = { .if_freq = 4000, .agc_mode = 3, .std = 4,
82 .if_lvl = 1, .rfagc_top = 0x37, },
83 .dvbt_7 = { .if_freq = 4000, .agc_mode = 3, .std = 5,
84 .if_lvl = 1, .rfagc_top = 0x37, },
85 .dvbt_8 = { .if_freq = 4000, .agc_mode = 3, .std = 6,
86 .if_lvl = 1, .rfagc_top = 0x37, },
87 };
88
89 static struct tda18271_std_map mb86a20s_tda18271_config = {
90 .dvbt_6 = { .if_freq = 4000, .agc_mode = 3, .std = 4,
91 .if_lvl = 0, .rfagc_top = 0x37, },
92 };
93
94 static struct tda18271_config cnxt_rde253s_tunerconfig = {
95 .std_map = &cnxt_rde253s_tda18271_std_map,
96 .gate = TDA18271_GATE_ANALOG,
97 };
98
99 static struct s5h1411_config tda18271_s5h1411_config = {
100 .output_mode = S5H1411_SERIAL_OUTPUT,
101 .gpio = S5H1411_GPIO_OFF,
102 .vsb_if = S5H1411_IF_3250,
103 .qam_if = S5H1411_IF_4000,
104 .inversion = S5H1411_INVERSION_ON,
105 .status_mode = S5H1411_DEMODLOCKING,
106 .mpeg_timing = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
107 };
108 static struct s5h1411_config xc5000_s5h1411_config = {
109 .output_mode = S5H1411_SERIAL_OUTPUT,
110 .gpio = S5H1411_GPIO_OFF,
111 .vsb_if = S5H1411_IF_3250,
112 .qam_if = S5H1411_IF_3250,
113 .inversion = S5H1411_INVERSION_OFF,
114 .status_mode = S5H1411_DEMODLOCKING,
115 .mpeg_timing = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
116 };
117
118 static struct lgdt3305_config hcw_lgdt3305_config = {
119 .i2c_addr = 0x0e,
120 .mpeg_mode = LGDT3305_MPEG_SERIAL,
121 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
122 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
123 .deny_i2c_rptr = 1,
124 .spectral_inversion = 1,
125 .qam_if_khz = 4000,
126 .vsb_if_khz = 3250,
127 };
128
129 static struct tda18271_std_map hauppauge_tda18271_std_map = {
130 .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 4,
131 .if_lvl = 1, .rfagc_top = 0x58, },
132 .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 5,
133 .if_lvl = 1, .rfagc_top = 0x58, },
134 };
135
136 static struct tda18271_config hcw_tda18271_config = {
137 .std_map = &hauppauge_tda18271_std_map,
138 .gate = TDA18271_GATE_DIGITAL,
139 };
140
141 static const struct mb86a20s_config pv_mb86a20s_config = {
142 .demod_address = 0x10,
143 .is_serial = true,
144 };
145
146 static struct tda18271_config pv_tda18271_config = {
147 .std_map = &mb86a20s_tda18271_config,
148 .gate = TDA18271_GATE_DIGITAL,
149 .small_i2c = TDA18271_03_BYTE_CHUNK_INIT,
150 };
151
152 static const struct si2165_config hauppauge_930C_HD_1113xx_si2165_config = {
153 .i2c_addr = 0x64,
154 .chip_mode = SI2165_MODE_PLL_XTAL,
155 .ref_freq_Hz = 16000000,
156 };
157
158 static const struct si2165_config pctv_quatro_stick_1114xx_si2165_config = {
159 .i2c_addr = 0x64,
160 .chip_mode = SI2165_MODE_PLL_EXT,
161 .ref_freq_Hz = 24000000,
162 };
163
164 static struct lgdt3306a_config hauppauge_955q_lgdt3306a_config = {
165 .i2c_addr = 0x59,
166 .qam_if_khz = 4000,
167 .vsb_if_khz = 3250,
168 .deny_i2c_rptr = 1,
169 .spectral_inversion = 1,
170 .mpeg_mode = LGDT3306A_MPEG_SERIAL,
171 .tpclk_edge = LGDT3306A_TPCLK_RISING_EDGE,
172 .tpvalid_polarity = LGDT3306A_TP_VALID_HIGH,
173 .xtalMHz = 25,
174 };
175
print_err_status(struct cx231xx * dev,int packet,int status)176 static inline void print_err_status(struct cx231xx *dev, int packet, int status)
177 {
178 char *errmsg = "Unknown";
179
180 switch (status) {
181 case -ENOENT:
182 errmsg = "unlinked synchronuously";
183 break;
184 case -ECONNRESET:
185 errmsg = "unlinked asynchronuously";
186 break;
187 case -ENOSR:
188 errmsg = "Buffer error (overrun)";
189 break;
190 case -EPIPE:
191 errmsg = "Stalled (device not responding)";
192 break;
193 case -EOVERFLOW:
194 errmsg = "Babble (bad cable?)";
195 break;
196 case -EPROTO:
197 errmsg = "Bit-stuff error (bad cable?)";
198 break;
199 case -EILSEQ:
200 errmsg = "CRC/Timeout (could be anything)";
201 break;
202 case -ETIME:
203 errmsg = "Device does not respond";
204 break;
205 }
206 if (packet < 0) {
207 dev_dbg(dev->dev,
208 "URB status %d [%s].\n", status, errmsg);
209 } else {
210 dev_dbg(dev->dev,
211 "URB packet %d, status %d [%s].\n",
212 packet, status, errmsg);
213 }
214 }
215
dvb_isoc_copy(struct cx231xx * dev,struct urb * urb)216 static inline int dvb_isoc_copy(struct cx231xx *dev, struct urb *urb)
217 {
218 int i;
219
220 if (!dev)
221 return 0;
222
223 if (dev->state & DEV_DISCONNECTED)
224 return 0;
225
226 if (urb->status < 0) {
227 print_err_status(dev, -1, urb->status);
228 if (urb->status == -ENOENT)
229 return 0;
230 }
231
232 for (i = 0; i < urb->number_of_packets; i++) {
233 int status = urb->iso_frame_desc[i].status;
234
235 if (status < 0) {
236 print_err_status(dev, i, status);
237 if (urb->iso_frame_desc[i].status != -EPROTO)
238 continue;
239 }
240
241 dvb_dmx_swfilter(&dev->dvb->demux,
242 urb->transfer_buffer +
243 urb->iso_frame_desc[i].offset,
244 urb->iso_frame_desc[i].actual_length);
245 }
246
247 return 0;
248 }
249
dvb_bulk_copy(struct cx231xx * dev,struct urb * urb)250 static inline int dvb_bulk_copy(struct cx231xx *dev, struct urb *urb)
251 {
252 if (!dev)
253 return 0;
254
255 if (dev->state & DEV_DISCONNECTED)
256 return 0;
257
258 if (urb->status < 0) {
259 print_err_status(dev, -1, urb->status);
260 if (urb->status == -ENOENT)
261 return 0;
262 }
263
264 /* Feed the transport payload into the kernel demux */
265 dvb_dmx_swfilter(&dev->dvb->demux,
266 urb->transfer_buffer, urb->actual_length);
267
268 return 0;
269 }
270
start_streaming(struct cx231xx_dvb * dvb)271 static int start_streaming(struct cx231xx_dvb *dvb)
272 {
273 int rc;
274 struct cx231xx *dev = dvb->adapter.priv;
275
276 if (dev->USE_ISO) {
277 dev_dbg(dev->dev, "DVB transfer mode is ISO.\n");
278 cx231xx_set_alt_setting(dev, INDEX_TS1, 4);
279 rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
280 if (rc < 0)
281 return rc;
282 dev->mode_tv = 1;
283 return cx231xx_init_isoc(dev, CX231XX_DVB_MAX_PACKETS,
284 CX231XX_DVB_NUM_BUFS,
285 dev->ts1_mode.max_pkt_size,
286 dvb_isoc_copy);
287 } else {
288 dev_dbg(dev->dev, "DVB transfer mode is BULK.\n");
289 cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
290 rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
291 if (rc < 0)
292 return rc;
293 dev->mode_tv = 1;
294 return cx231xx_init_bulk(dev, CX231XX_DVB_MAX_PACKETS,
295 CX231XX_DVB_NUM_BUFS,
296 dev->ts1_mode.max_pkt_size,
297 dvb_bulk_copy);
298 }
299
300 }
301
stop_streaming(struct cx231xx_dvb * dvb)302 static int stop_streaming(struct cx231xx_dvb *dvb)
303 {
304 struct cx231xx *dev = dvb->adapter.priv;
305
306 if (dev->USE_ISO)
307 cx231xx_uninit_isoc(dev);
308 else
309 cx231xx_uninit_bulk(dev);
310
311 cx231xx_set_mode(dev, CX231XX_SUSPEND);
312
313 return 0;
314 }
315
start_feed(struct dvb_demux_feed * feed)316 static int start_feed(struct dvb_demux_feed *feed)
317 {
318 struct dvb_demux *demux = feed->demux;
319 struct cx231xx_dvb *dvb = demux->priv;
320 int rc, ret;
321
322 if (!demux->dmx.frontend)
323 return -EINVAL;
324
325 mutex_lock(&dvb->lock);
326 dvb->nfeeds++;
327 rc = dvb->nfeeds;
328
329 if (dvb->nfeeds == 1) {
330 ret = start_streaming(dvb);
331 if (ret < 0)
332 rc = ret;
333 }
334
335 mutex_unlock(&dvb->lock);
336 return rc;
337 }
338
stop_feed(struct dvb_demux_feed * feed)339 static int stop_feed(struct dvb_demux_feed *feed)
340 {
341 struct dvb_demux *demux = feed->demux;
342 struct cx231xx_dvb *dvb = demux->priv;
343 int err = 0;
344
345 mutex_lock(&dvb->lock);
346 dvb->nfeeds--;
347
348 if (0 == dvb->nfeeds)
349 err = stop_streaming(dvb);
350
351 mutex_unlock(&dvb->lock);
352 return err;
353 }
354
355 /* ------------------------------------------------------------------ */
cx231xx_dvb_bus_ctrl(struct dvb_frontend * fe,int acquire)356 static int cx231xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
357 {
358 struct cx231xx *dev = fe->dvb->priv;
359
360 if (acquire)
361 return cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
362 else
363 return cx231xx_set_mode(dev, CX231XX_SUSPEND);
364 }
365
366 /* ------------------------------------------------------------------ */
367
368 static struct xc5000_config cnxt_rde250_tunerconfig = {
369 .i2c_address = 0x61,
370 .if_khz = 4000,
371 };
372 static struct xc5000_config cnxt_rdu250_tunerconfig = {
373 .i2c_address = 0x61,
374 .if_khz = 3250,
375 };
376
377 /* ------------------------------------------------------------------ */
378 #if 0
379 static int attach_xc5000(u8 addr, struct cx231xx *dev)
380 {
381
382 struct dvb_frontend *fe;
383 struct xc5000_config cfg;
384
385 memset(&cfg, 0, sizeof(cfg));
386 cfg.i2c_adap = cx231xx_get_i2c_adap(dev, dev->board.tuner_i2c_master);
387 cfg.i2c_addr = addr;
388
389 if (!dev->dvb->frontend) {
390 dev_err(dev->dev, "%s/2: dvb frontend not attached. "
391 "Can't attach xc5000\n", dev->name);
392 return -EINVAL;
393 }
394
395 fe = dvb_attach(xc5000_attach, dev->dvb->frontend, &cfg);
396 if (!fe) {
397 dev_err(dev->dev, "%s/2: xc5000 attach failed\n", dev->name);
398 dvb_frontend_detach(dev->dvb->frontend);
399 dev->dvb->frontend = NULL;
400 return -EINVAL;
401 }
402
403 dev_info(dev->dev, "%s/2: xc5000 attached\n", dev->name);
404
405 return 0;
406 }
407 #endif
408
cx231xx_set_analog_freq(struct cx231xx * dev,u32 freq)409 int cx231xx_set_analog_freq(struct cx231xx *dev, u32 freq)
410 {
411 if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) {
412
413 struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops;
414
415 if (dops->set_analog_params != NULL) {
416 struct analog_parameters params;
417
418 params.frequency = freq;
419 params.std = dev->norm;
420 params.mode = 0; /* 0- Air; 1 - cable */
421 /*params.audmode = ; */
422
423 /* Set the analog parameters to set the frequency */
424 dops->set_analog_params(dev->dvb->frontend, ¶ms);
425 }
426
427 }
428
429 return 0;
430 }
431
cx231xx_reset_analog_tuner(struct cx231xx * dev)432 int cx231xx_reset_analog_tuner(struct cx231xx *dev)
433 {
434 int status = 0;
435
436 if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) {
437
438 struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops;
439
440 if (dops->init != NULL && !dev->xc_fw_load_done) {
441
442 dev_dbg(dev->dev,
443 "Reloading firmware for XC5000\n");
444 status = dops->init(dev->dvb->frontend);
445 if (status == 0) {
446 dev->xc_fw_load_done = 1;
447 dev_dbg(dev->dev,
448 "XC5000 firmware download completed\n");
449 } else {
450 dev->xc_fw_load_done = 0;
451 dev_dbg(dev->dev,
452 "XC5000 firmware download failed !!!\n");
453 }
454 }
455
456 }
457
458 return status;
459 }
460
461 /* ------------------------------------------------------------------ */
462
register_dvb(struct cx231xx_dvb * dvb,struct module * module,struct cx231xx * dev,struct device * device)463 static int register_dvb(struct cx231xx_dvb *dvb,
464 struct module *module,
465 struct cx231xx *dev, struct device *device)
466 {
467 int result;
468
469 mutex_init(&dvb->lock);
470
471
472 /* register adapter */
473 result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,
474 adapter_nr);
475 if (result < 0) {
476 dev_warn(dev->dev,
477 "%s: dvb_register_adapter failed (errno = %d)\n",
478 dev->name, result);
479 goto fail_adapter;
480 }
481 dvb_register_media_controller(&dvb->adapter, dev->media_dev);
482
483 /* Ensure all frontends negotiate bus access */
484 dvb->frontend->ops.ts_bus_ctrl = cx231xx_dvb_bus_ctrl;
485
486 dvb->adapter.priv = dev;
487
488 /* register frontend */
489 result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
490 if (result < 0) {
491 dev_warn(dev->dev,
492 "%s: dvb_register_frontend failed (errno = %d)\n",
493 dev->name, result);
494 goto fail_frontend;
495 }
496
497 /* register demux stuff */
498 dvb->demux.dmx.capabilities =
499 DMX_TS_FILTERING | DMX_SECTION_FILTERING |
500 DMX_MEMORY_BASED_FILTERING;
501 dvb->demux.priv = dvb;
502 dvb->demux.filternum = 256;
503 dvb->demux.feednum = 256;
504 dvb->demux.start_feed = start_feed;
505 dvb->demux.stop_feed = stop_feed;
506
507 result = dvb_dmx_init(&dvb->demux);
508 if (result < 0) {
509 dev_warn(dev->dev,
510 "%s: dvb_dmx_init failed (errno = %d)\n",
511 dev->name, result);
512 goto fail_dmx;
513 }
514
515 dvb->dmxdev.filternum = 256;
516 dvb->dmxdev.demux = &dvb->demux.dmx;
517 dvb->dmxdev.capabilities = 0;
518 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
519 if (result < 0) {
520 dev_warn(dev->dev,
521 "%s: dvb_dmxdev_init failed (errno = %d)\n",
522 dev->name, result);
523 goto fail_dmxdev;
524 }
525
526 dvb->fe_hw.source = DMX_FRONTEND_0;
527 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
528 if (result < 0) {
529 dev_warn(dev->dev,
530 "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
531 dev->name, result);
532 goto fail_fe_hw;
533 }
534
535 dvb->fe_mem.source = DMX_MEMORY_FE;
536 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
537 if (result < 0) {
538 dev_warn(dev->dev,
539 "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
540 dev->name, result);
541 goto fail_fe_mem;
542 }
543
544 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
545 if (result < 0) {
546 dev_warn(dev->dev,
547 "%s: connect_frontend failed (errno = %d)\n",
548 dev->name, result);
549 goto fail_fe_conn;
550 }
551
552 /* register network adapter */
553 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
554 dvb_create_media_graph(&dvb->adapter);
555
556 return 0;
557
558 fail_fe_conn:
559 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
560 fail_fe_mem:
561 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
562 fail_fe_hw:
563 dvb_dmxdev_release(&dvb->dmxdev);
564 fail_dmxdev:
565 dvb_dmx_release(&dvb->demux);
566 fail_dmx:
567 dvb_unregister_frontend(dvb->frontend);
568 fail_frontend:
569 dvb_frontend_detach(dvb->frontend);
570 dvb_unregister_adapter(&dvb->adapter);
571 fail_adapter:
572 return result;
573 }
574
unregister_dvb(struct cx231xx_dvb * dvb)575 static void unregister_dvb(struct cx231xx_dvb *dvb)
576 {
577 struct i2c_client *client;
578 dvb_net_release(&dvb->net);
579 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
580 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
581 dvb_dmxdev_release(&dvb->dmxdev);
582 dvb_dmx_release(&dvb->demux);
583 client = dvb->i2c_client_tuner;
584 /* remove I2C tuner */
585 if (client) {
586 module_put(client->dev.driver->owner);
587 i2c_unregister_device(client);
588 }
589 dvb_unregister_frontend(dvb->frontend);
590 dvb_frontend_detach(dvb->frontend);
591 dvb_unregister_adapter(&dvb->adapter);
592 }
593
dvb_init(struct cx231xx * dev)594 static int dvb_init(struct cx231xx *dev)
595 {
596 int result = 0;
597 struct cx231xx_dvb *dvb;
598 struct i2c_adapter *tuner_i2c;
599 struct i2c_adapter *demod_i2c;
600
601 if (!dev->board.has_dvb) {
602 /* This device does not support the extension */
603 return 0;
604 }
605
606 dvb = kzalloc(sizeof(struct cx231xx_dvb), GFP_KERNEL);
607
608 if (dvb == NULL) {
609 dev_info(dev->dev,
610 "cx231xx_dvb: memory allocation failed\n");
611 return -ENOMEM;
612 }
613 dev->dvb = dvb;
614 dev->cx231xx_set_analog_freq = cx231xx_set_analog_freq;
615 dev->cx231xx_reset_analog_tuner = cx231xx_reset_analog_tuner;
616
617 tuner_i2c = cx231xx_get_i2c_adap(dev, dev->board.tuner_i2c_master);
618 demod_i2c = cx231xx_get_i2c_adap(dev, dev->board.demod_i2c_master);
619 mutex_lock(&dev->lock);
620 cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
621 cx231xx_demod_reset(dev);
622 /* init frontend */
623 switch (dev->model) {
624 case CX231XX_BOARD_CNXT_CARRAERA:
625 case CX231XX_BOARD_CNXT_RDE_250:
626
627 dev->dvb->frontend = dvb_attach(s5h1432_attach,
628 &dvico_s5h1432_config,
629 demod_i2c);
630
631 if (dev->dvb->frontend == NULL) {
632 dev_err(dev->dev,
633 "Failed to attach s5h1432 front end\n");
634 result = -EINVAL;
635 goto out_free;
636 }
637
638 /* define general-purpose callback pointer */
639 dvb->frontend->callback = cx231xx_tuner_callback;
640
641 if (!dvb_attach(xc5000_attach, dev->dvb->frontend,
642 tuner_i2c,
643 &cnxt_rde250_tunerconfig)) {
644 result = -EINVAL;
645 goto out_free;
646 }
647
648 break;
649 case CX231XX_BOARD_CNXT_SHELBY:
650 case CX231XX_BOARD_CNXT_RDU_250:
651
652 dev->dvb->frontend = dvb_attach(s5h1411_attach,
653 &xc5000_s5h1411_config,
654 demod_i2c);
655
656 if (dev->dvb->frontend == NULL) {
657 dev_err(dev->dev,
658 "Failed to attach s5h1411 front end\n");
659 result = -EINVAL;
660 goto out_free;
661 }
662
663 /* define general-purpose callback pointer */
664 dvb->frontend->callback = cx231xx_tuner_callback;
665
666 if (!dvb_attach(xc5000_attach, dev->dvb->frontend,
667 tuner_i2c,
668 &cnxt_rdu250_tunerconfig)) {
669 result = -EINVAL;
670 goto out_free;
671 }
672 break;
673 case CX231XX_BOARD_CNXT_RDE_253S:
674
675 dev->dvb->frontend = dvb_attach(s5h1432_attach,
676 &dvico_s5h1432_config,
677 demod_i2c);
678
679 if (dev->dvb->frontend == NULL) {
680 dev_err(dev->dev,
681 "Failed to attach s5h1432 front end\n");
682 result = -EINVAL;
683 goto out_free;
684 }
685
686 /* define general-purpose callback pointer */
687 dvb->frontend->callback = cx231xx_tuner_callback;
688
689 if (!dvb_attach(tda18271_attach, dev->dvb->frontend,
690 0x60, tuner_i2c,
691 &cnxt_rde253s_tunerconfig)) {
692 result = -EINVAL;
693 goto out_free;
694 }
695 break;
696 case CX231XX_BOARD_CNXT_RDU_253S:
697 case CX231XX_BOARD_KWORLD_UB445_USB_HYBRID:
698
699 dev->dvb->frontend = dvb_attach(s5h1411_attach,
700 &tda18271_s5h1411_config,
701 demod_i2c);
702
703 if (dev->dvb->frontend == NULL) {
704 dev_err(dev->dev,
705 "Failed to attach s5h1411 front end\n");
706 result = -EINVAL;
707 goto out_free;
708 }
709
710 /* define general-purpose callback pointer */
711 dvb->frontend->callback = cx231xx_tuner_callback;
712
713 if (!dvb_attach(tda18271_attach, dev->dvb->frontend,
714 0x60, tuner_i2c,
715 &cnxt_rde253s_tunerconfig)) {
716 result = -EINVAL;
717 goto out_free;
718 }
719 break;
720 case CX231XX_BOARD_HAUPPAUGE_EXETER:
721
722 dev_info(dev->dev,
723 "%s: looking for tuner / demod on i2c bus: %d\n",
724 __func__, i2c_adapter_id(tuner_i2c));
725
726 dev->dvb->frontend = dvb_attach(lgdt3305_attach,
727 &hcw_lgdt3305_config,
728 tuner_i2c);
729
730 if (dev->dvb->frontend == NULL) {
731 dev_err(dev->dev,
732 "Failed to attach LG3305 front end\n");
733 result = -EINVAL;
734 goto out_free;
735 }
736
737 /* define general-purpose callback pointer */
738 dvb->frontend->callback = cx231xx_tuner_callback;
739
740 dvb_attach(tda18271_attach, dev->dvb->frontend,
741 0x60, tuner_i2c,
742 &hcw_tda18271_config);
743 break;
744
745 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx:
746
747 dev->dvb->frontend = dvb_attach(si2165_attach,
748 &hauppauge_930C_HD_1113xx_si2165_config,
749 tuner_i2c
750 );
751
752 if (dev->dvb->frontend == NULL) {
753 dev_err(dev->dev,
754 "Failed to attach SI2165 front end\n");
755 result = -EINVAL;
756 goto out_free;
757 }
758
759 dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
760
761 /* define general-purpose callback pointer */
762 dvb->frontend->callback = cx231xx_tuner_callback;
763
764 dvb_attach(tda18271_attach, dev->dvb->frontend,
765 0x60,
766 tuner_i2c,
767 &hcw_tda18271_config);
768
769 dev->cx231xx_reset_analog_tuner = NULL;
770 break;
771
772 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx:
773 {
774 struct i2c_client *client;
775 struct i2c_board_info info;
776 struct si2157_config si2157_config;
777
778 memset(&info, 0, sizeof(struct i2c_board_info));
779
780 dev->dvb->frontend = dvb_attach(si2165_attach,
781 &pctv_quatro_stick_1114xx_si2165_config,
782 tuner_i2c
783 );
784
785 if (dev->dvb->frontend == NULL) {
786 dev_err(dev->dev,
787 "Failed to attach SI2165 front end\n");
788 result = -EINVAL;
789 goto out_free;
790 }
791
792 dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
793
794 /* define general-purpose callback pointer */
795 dvb->frontend->callback = cx231xx_tuner_callback;
796
797 /* attach tuner */
798 memset(&si2157_config, 0, sizeof(si2157_config));
799 si2157_config.fe = dev->dvb->frontend;
800 si2157_config.if_port = 1;
801 si2157_config.inversion = true;
802 strlcpy(info.type, "si2157", I2C_NAME_SIZE);
803 info.addr = 0x60;
804 info.platform_data = &si2157_config;
805 request_module("si2157");
806
807 client = i2c_new_device(
808 tuner_i2c,
809 &info);
810 if (client == NULL || client->dev.driver == NULL) {
811 dvb_frontend_detach(dev->dvb->frontend);
812 result = -ENODEV;
813 goto out_free;
814 }
815
816 if (!try_module_get(client->dev.driver->owner)) {
817 i2c_unregister_device(client);
818 dvb_frontend_detach(dev->dvb->frontend);
819 result = -ENODEV;
820 goto out_free;
821 }
822
823 dev->cx231xx_reset_analog_tuner = NULL;
824
825 dev->dvb->i2c_client_tuner = client;
826 break;
827 }
828 case CX231XX_BOARD_HAUPPAUGE_955Q:
829 {
830 struct i2c_client *client;
831 struct i2c_board_info info;
832 struct si2157_config si2157_config;
833
834 memset(&info, 0, sizeof(struct i2c_board_info));
835
836 dev->dvb->frontend = dvb_attach(lgdt3306a_attach,
837 &hauppauge_955q_lgdt3306a_config,
838 tuner_i2c
839 );
840
841 if (dev->dvb->frontend == NULL) {
842 dev_err(dev->dev,
843 "Failed to attach LGDT3306A frontend.\n");
844 result = -EINVAL;
845 goto out_free;
846 }
847
848 dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
849
850 /* define general-purpose callback pointer */
851 dvb->frontend->callback = cx231xx_tuner_callback;
852
853 /* attach tuner */
854 memset(&si2157_config, 0, sizeof(si2157_config));
855 si2157_config.fe = dev->dvb->frontend;
856 si2157_config.if_port = 1;
857 si2157_config.inversion = true;
858 strlcpy(info.type, "si2157", I2C_NAME_SIZE);
859 info.addr = 0x60;
860 info.platform_data = &si2157_config;
861 request_module("si2157");
862
863 client = i2c_new_device(
864 tuner_i2c,
865 &info);
866 if (client == NULL || client->dev.driver == NULL) {
867 dvb_frontend_detach(dev->dvb->frontend);
868 result = -ENODEV;
869 goto out_free;
870 }
871
872 if (!try_module_get(client->dev.driver->owner)) {
873 i2c_unregister_device(client);
874 dvb_frontend_detach(dev->dvb->frontend);
875 result = -ENODEV;
876 goto out_free;
877 }
878
879 dev->cx231xx_reset_analog_tuner = NULL;
880
881 dev->dvb->i2c_client_tuner = client;
882 break;
883 }
884 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
885 case CX231XX_BOARD_KWORLD_UB430_USB_HYBRID:
886
887 dev_info(dev->dev,
888 "%s: looking for demod on i2c bus: %d\n",
889 __func__, i2c_adapter_id(tuner_i2c));
890
891 dev->dvb->frontend = dvb_attach(mb86a20s_attach,
892 &pv_mb86a20s_config,
893 demod_i2c);
894
895 if (dev->dvb->frontend == NULL) {
896 dev_err(dev->dev,
897 "Failed to attach mb86a20s demod\n");
898 result = -EINVAL;
899 goto out_free;
900 }
901
902 /* define general-purpose callback pointer */
903 dvb->frontend->callback = cx231xx_tuner_callback;
904
905 dvb_attach(tda18271_attach, dev->dvb->frontend,
906 0x60, tuner_i2c,
907 &pv_tda18271_config);
908 break;
909
910 default:
911 dev_err(dev->dev,
912 "%s/2: The frontend of your DVB/ATSC card isn't supported yet\n",
913 dev->name);
914 break;
915 }
916 if (NULL == dvb->frontend) {
917 dev_err(dev->dev,
918 "%s/2: frontend initialization failed\n", dev->name);
919 result = -EINVAL;
920 goto out_free;
921 }
922
923 /* register everything */
924 result = register_dvb(dvb, THIS_MODULE, dev, dev->dev);
925
926 if (result < 0)
927 goto out_free;
928
929
930 dev_info(dev->dev, "Successfully loaded cx231xx-dvb\n");
931
932 ret:
933 cx231xx_set_mode(dev, CX231XX_SUSPEND);
934 mutex_unlock(&dev->lock);
935 return result;
936
937 out_free:
938 kfree(dvb);
939 dev->dvb = NULL;
940 goto ret;
941 }
942
dvb_fini(struct cx231xx * dev)943 static int dvb_fini(struct cx231xx *dev)
944 {
945 if (!dev->board.has_dvb) {
946 /* This device does not support the extension */
947 return 0;
948 }
949
950 if (dev->dvb) {
951 unregister_dvb(dev->dvb);
952 dev->dvb = NULL;
953 }
954
955 return 0;
956 }
957
958 static struct cx231xx_ops dvb_ops = {
959 .id = CX231XX_DVB,
960 .name = "Cx231xx dvb Extension",
961 .init = dvb_init,
962 .fini = dvb_fini,
963 };
964
cx231xx_dvb_register(void)965 static int __init cx231xx_dvb_register(void)
966 {
967 return cx231xx_register_extension(&dvb_ops);
968 }
969
cx231xx_dvb_unregister(void)970 static void __exit cx231xx_dvb_unregister(void)
971 {
972 cx231xx_unregister_extension(&dvb_ops);
973 }
974
975 module_init(cx231xx_dvb_register);
976 module_exit(cx231xx_dvb_unregister);
977