/drivers/media/video/em28xx/em28xx-dvb.c
C | 757 lines | 605 code | 103 blank | 49 comment | 67 complexity | 33300a6a1a0f3a61d0f0d8b25b014189 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
1/*
2 DVB device driver for em28xx
3
4 (c) 2008 Mauro Carvalho Chehab <mchehab@infradead.org>
5
6 (c) 2008 Devin Heitmueller <devin.heitmueller@gmail.com>
7 - Fixes for the driver to properly work with HVR-950
8 - Fixes for the driver to properly work with Pinnacle PCTV HD Pro Stick
9 - Fixes for the driver to properly work with AMD ATI TV Wonder HD 600
10
11 (c) 2008 Aidan Thornton <makosoft@googlemail.com>
12
13 Based on cx88-dvb, saa7134-dvb and videobuf-dvb originally written by:
14 (c) 2004, 2005 Chris Pascoe <c.pascoe@itee.uq.edu.au>
15 (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
16
17 This program is free software; you can redistribute it and/or modify
18 it under the terms of the GNU General Public License as published by
19 the Free Software Foundation; either version 2 of the License.
20 */
21
22#include <linux/kernel.h>
23#include <linux/slab.h>
24#include <linux/usb.h>
25
26#include "em28xx.h"
27#include <media/v4l2-common.h>
28#include <media/videobuf-vmalloc.h>
29#include <media/tuner.h>
30#include "tuner-simple.h"
31
32#include "lgdt330x.h"
33#include "lgdt3305.h"
34#include "zl10353.h"
35#include "s5h1409.h"
36#include "mt352.h"
37#include "mt352_priv.h" /* FIXME */
38#include "tda1002x.h"
39#include "tda18271.h"
40#include "s921.h"
41#include "drxd.h"
42#include "cxd2820r.h"
43
44MODULE_DESCRIPTION("driver for em28xx based DVB cards");
45MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
46MODULE_LICENSE("GPL");
47
48static unsigned int debug;
49module_param(debug, int, 0644);
50MODULE_PARM_DESC(debug, "enable debug messages [dvb]");
51
52DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
53
54#define dprintk(level, fmt, arg...) do { \
55if (debug >= level) \
56 printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \
57} while (0)
58
59#define EM28XX_DVB_NUM_BUFS 5
60#define EM28XX_DVB_MAX_PACKETS 64
61
62struct em28xx_dvb {
63 struct dvb_frontend *fe[2];
64
65 /* feed count management */
66 struct mutex lock;
67 int nfeeds;
68
69 /* general boilerplate stuff */
70 struct dvb_adapter adapter;
71 struct dvb_demux demux;
72 struct dmxdev dmxdev;
73 struct dmx_frontend fe_hw;
74 struct dmx_frontend fe_mem;
75 struct dvb_net net;
76};
77
78
79static inline void print_err_status(struct em28xx *dev,
80 int packet, int status)
81{
82 char *errmsg = "Unknown";
83
84 switch (status) {
85 case -ENOENT:
86 errmsg = "unlinked synchronuously";
87 break;
88 case -ECONNRESET:
89 errmsg = "unlinked asynchronuously";
90 break;
91 case -ENOSR:
92 errmsg = "Buffer error (overrun)";
93 break;
94 case -EPIPE:
95 errmsg = "Stalled (device not responding)";
96 break;
97 case -EOVERFLOW:
98 errmsg = "Babble (bad cable?)";
99 break;
100 case -EPROTO:
101 errmsg = "Bit-stuff error (bad cable?)";
102 break;
103 case -EILSEQ:
104 errmsg = "CRC/Timeout (could be anything)";
105 break;
106 case -ETIME:
107 errmsg = "Device does not respond";
108 break;
109 }
110 if (packet < 0) {
111 dprintk(1, "URB status %d [%s].\n", status, errmsg);
112 } else {
113 dprintk(1, "URB packet %d, status %d [%s].\n",
114 packet, status, errmsg);
115 }
116}
117
118static inline int dvb_isoc_copy(struct em28xx *dev, struct urb *urb)
119{
120 int i;
121
122 if (!dev)
123 return 0;
124
125 if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED))
126 return 0;
127
128 if (urb->status < 0) {
129 print_err_status(dev, -1, urb->status);
130 if (urb->status == -ENOENT)
131 return 0;
132 }
133
134 for (i = 0; i < urb->number_of_packets; i++) {
135 int status = urb->iso_frame_desc[i].status;
136
137 if (status < 0) {
138 print_err_status(dev, i, status);
139 if (urb->iso_frame_desc[i].status != -EPROTO)
140 continue;
141 }
142
143 dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer +
144 urb->iso_frame_desc[i].offset,
145 urb->iso_frame_desc[i].actual_length);
146 }
147
148 return 0;
149}
150
151static int start_streaming(struct em28xx_dvb *dvb)
152{
153 int rc;
154 struct em28xx *dev = dvb->adapter.priv;
155 int max_dvb_packet_size;
156
157 usb_set_interface(dev->udev, 0, 1);
158 rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
159 if (rc < 0)
160 return rc;
161
162 max_dvb_packet_size = em28xx_isoc_dvb_max_packetsize(dev);
163
164 return em28xx_init_isoc(dev, EM28XX_DVB_MAX_PACKETS,
165 EM28XX_DVB_NUM_BUFS, max_dvb_packet_size,
166 dvb_isoc_copy);
167}
168
169static int stop_streaming(struct em28xx_dvb *dvb)
170{
171 struct em28xx *dev = dvb->adapter.priv;
172
173 em28xx_uninit_isoc(dev);
174
175 em28xx_set_mode(dev, EM28XX_SUSPEND);
176
177 return 0;
178}
179
180static int start_feed(struct dvb_demux_feed *feed)
181{
182 struct dvb_demux *demux = feed->demux;
183 struct em28xx_dvb *dvb = demux->priv;
184 int rc, ret;
185
186 if (!demux->dmx.frontend)
187 return -EINVAL;
188
189 mutex_lock(&dvb->lock);
190 dvb->nfeeds++;
191 rc = dvb->nfeeds;
192
193 if (dvb->nfeeds == 1) {
194 ret = start_streaming(dvb);
195 if (ret < 0)
196 rc = ret;
197 }
198
199 mutex_unlock(&dvb->lock);
200 return rc;
201}
202
203static int stop_feed(struct dvb_demux_feed *feed)
204{
205 struct dvb_demux *demux = feed->demux;
206 struct em28xx_dvb *dvb = demux->priv;
207 int err = 0;
208
209 mutex_lock(&dvb->lock);
210 dvb->nfeeds--;
211
212 if (0 == dvb->nfeeds)
213 err = stop_streaming(dvb);
214
215 mutex_unlock(&dvb->lock);
216 return err;
217}
218
219
220
221/* ------------------------------------------------------------------ */
222static int em28xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
223{
224 struct em28xx *dev = fe->dvb->priv;
225
226 if (acquire)
227 return em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
228 else
229 return em28xx_set_mode(dev, EM28XX_SUSPEND);
230}
231
232/* ------------------------------------------------------------------ */
233
234static struct lgdt330x_config em2880_lgdt3303_dev = {
235 .demod_address = 0x0e,
236 .demod_chip = LGDT3303,
237};
238
239static struct lgdt3305_config em2870_lgdt3304_dev = {
240 .i2c_addr = 0x0e,
241 .demod_chip = LGDT3304,
242 .spectral_inversion = 1,
243 .deny_i2c_rptr = 1,
244 .mpeg_mode = LGDT3305_MPEG_PARALLEL,
245 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
246 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
247 .vsb_if_khz = 3250,
248 .qam_if_khz = 4000,
249};
250
251static struct s921_config sharp_isdbt = {
252 .demod_address = 0x30 >> 1
253};
254
255static struct zl10353_config em28xx_zl10353_with_xc3028 = {
256 .demod_address = (0x1e >> 1),
257 .no_tuner = 1,
258 .parallel_ts = 1,
259 .if2 = 45600,
260};
261
262static struct s5h1409_config em28xx_s5h1409_with_xc3028 = {
263 .demod_address = 0x32 >> 1,
264 .output_mode = S5H1409_PARALLEL_OUTPUT,
265 .gpio = S5H1409_GPIO_OFF,
266 .inversion = S5H1409_INVERSION_OFF,
267 .status_mode = S5H1409_DEMODLOCKING,
268 .mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK
269};
270
271static struct tda18271_std_map kworld_a340_std_map = {
272 .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 0,
273 .if_lvl = 1, .rfagc_top = 0x37, },
274 .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 1,
275 .if_lvl = 1, .rfagc_top = 0x37, },
276};
277
278static struct tda18271_config kworld_a340_config = {
279 .std_map = &kworld_a340_std_map,
280};
281
282static struct zl10353_config em28xx_zl10353_xc3028_no_i2c_gate = {
283 .demod_address = (0x1e >> 1),
284 .no_tuner = 1,
285 .disable_i2c_gate_ctrl = 1,
286 .parallel_ts = 1,
287 .if2 = 45600,
288};
289
290static struct drxd_config em28xx_drxd = {
291 .index = 0, .demod_address = 0x70, .demod_revision = 0xa2,
292 .demoda_address = 0x00, .pll_address = 0x00,
293 .pll_type = DRXD_PLL_NONE, .clock = 12000, .insert_rs_byte = 1,
294 .pll_set = NULL, .osc_deviation = NULL, .IF = 42800000,
295 .disable_i2c_gate_ctrl = 1,
296};
297
298static int mt352_terratec_xs_init(struct dvb_frontend *fe)
299{
300 /* Values extracted from a USB trace of the Terratec Windows driver */
301 static u8 clock_config[] = { CLOCK_CTL, 0x38, 0x2c };
302 static u8 reset[] = { RESET, 0x80 };
303 static u8 adc_ctl_1_cfg[] = { ADC_CTL_1, 0x40 };
304 static u8 agc_cfg[] = { AGC_TARGET, 0x28, 0xa0 };
305 static u8 input_freq_cfg[] = { INPUT_FREQ_1, 0x31, 0xb8 };
306 static u8 rs_err_cfg[] = { RS_ERR_PER_1, 0x00, 0x4d };
307 static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
308 static u8 trl_nom_cfg[] = { TRL_NOMINAL_RATE_1, 0x64, 0x00 };
309 static u8 tps_given_cfg[] = { TPS_GIVEN_1, 0x40, 0x80, 0x50 };
310 static u8 tuner_go[] = { TUNER_GO, 0x01};
311
312 mt352_write(fe, clock_config, sizeof(clock_config));
313 udelay(200);
314 mt352_write(fe, reset, sizeof(reset));
315 mt352_write(fe, adc_ctl_1_cfg, sizeof(adc_ctl_1_cfg));
316 mt352_write(fe, agc_cfg, sizeof(agc_cfg));
317 mt352_write(fe, input_freq_cfg, sizeof(input_freq_cfg));
318 mt352_write(fe, rs_err_cfg, sizeof(rs_err_cfg));
319 mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
320 mt352_write(fe, trl_nom_cfg, sizeof(trl_nom_cfg));
321 mt352_write(fe, tps_given_cfg, sizeof(tps_given_cfg));
322 mt352_write(fe, tuner_go, sizeof(tuner_go));
323 return 0;
324}
325
326static struct mt352_config terratec_xs_mt352_cfg = {
327 .demod_address = (0x1e >> 1),
328 .no_tuner = 1,
329 .if2 = 45600,
330 .demod_init = mt352_terratec_xs_init,
331};
332
333static struct tda10023_config em28xx_tda10023_config = {
334 .demod_address = 0x0c,
335 .invert = 1,
336};
337
338static struct cxd2820r_config em28xx_cxd2820r_config = {
339 .i2c_address = (0xd8 >> 1),
340 .ts_mode = CXD2820R_TS_SERIAL,
341 .if_dvbt_6 = 3300,
342 .if_dvbt_7 = 3500,
343 .if_dvbt_8 = 4000,
344 .if_dvbt2_6 = 3300,
345 .if_dvbt2_7 = 3500,
346 .if_dvbt2_8 = 4000,
347 .if_dvbc = 5000,
348
349 /* enable LNA for DVB-T2 and DVB-C */
350 .gpio_dvbt2[0] = CXD2820R_GPIO_E | CXD2820R_GPIO_O | CXD2820R_GPIO_L,
351 .gpio_dvbc[0] = CXD2820R_GPIO_E | CXD2820R_GPIO_O | CXD2820R_GPIO_L,
352};
353
354static struct tda18271_config em28xx_cxd2820r_tda18271_config = {
355 .output_opt = TDA18271_OUTPUT_LT_OFF,
356};
357
358/* ------------------------------------------------------------------ */
359
360static int attach_xc3028(u8 addr, struct em28xx *dev)
361{
362 struct dvb_frontend *fe;
363 struct xc2028_config cfg;
364
365 memset(&cfg, 0, sizeof(cfg));
366 cfg.i2c_adap = &dev->i2c_adap;
367 cfg.i2c_addr = addr;
368
369 if (!dev->dvb->fe[0]) {
370 em28xx_errdev("/2: dvb frontend not attached. "
371 "Can't attach xc3028\n");
372 return -EINVAL;
373 }
374
375 fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg);
376 if (!fe) {
377 em28xx_errdev("/2: xc3028 attach failed\n");
378 dvb_frontend_detach(dev->dvb->fe[0]);
379 dev->dvb->fe[0] = NULL;
380 return -EINVAL;
381 }
382
383 em28xx_info("%s/2: xc3028 attached\n", dev->name);
384
385 return 0;
386}
387
388/* ------------------------------------------------------------------ */
389
390static int register_dvb(struct em28xx_dvb *dvb,
391 struct module *module,
392 struct em28xx *dev,
393 struct device *device)
394{
395 int result;
396
397 mutex_init(&dvb->lock);
398
399 /* register adapter */
400 result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,
401 adapter_nr);
402 if (result < 0) {
403 printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n",
404 dev->name, result);
405 goto fail_adapter;
406 }
407
408 /* Ensure all frontends negotiate bus access */
409 dvb->fe[0]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
410 if (dvb->fe[1])
411 dvb->fe[1]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
412
413 dvb->adapter.priv = dev;
414
415 /* register frontend */
416 result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]);
417 if (result < 0) {
418 printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n",
419 dev->name, result);
420 goto fail_frontend0;
421 }
422
423 /* register 2nd frontend */
424 if (dvb->fe[1]) {
425 result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]);
426 if (result < 0) {
427 printk(KERN_WARNING "%s: 2nd dvb_register_frontend failed (errno = %d)\n",
428 dev->name, result);
429 goto fail_frontend1;
430 }
431 }
432
433 /* register demux stuff */
434 dvb->demux.dmx.capabilities =
435 DMX_TS_FILTERING | DMX_SECTION_FILTERING |
436 DMX_MEMORY_BASED_FILTERING;
437 dvb->demux.priv = dvb;
438 dvb->demux.filternum = 256;
439 dvb->demux.feednum = 256;
440 dvb->demux.start_feed = start_feed;
441 dvb->demux.stop_feed = stop_feed;
442
443 result = dvb_dmx_init(&dvb->demux);
444 if (result < 0) {
445 printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n",
446 dev->name, result);
447 goto fail_dmx;
448 }
449
450 dvb->dmxdev.filternum = 256;
451 dvb->dmxdev.demux = &dvb->demux.dmx;
452 dvb->dmxdev.capabilities = 0;
453 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
454 if (result < 0) {
455 printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n",
456 dev->name, result);
457 goto fail_dmxdev;
458 }
459
460 dvb->fe_hw.source = DMX_FRONTEND_0;
461 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
462 if (result < 0) {
463 printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
464 dev->name, result);
465 goto fail_fe_hw;
466 }
467
468 dvb->fe_mem.source = DMX_MEMORY_FE;
469 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
470 if (result < 0) {
471 printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
472 dev->name, result);
473 goto fail_fe_mem;
474 }
475
476 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
477 if (result < 0) {
478 printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n",
479 dev->name, result);
480 goto fail_fe_conn;
481 }
482
483 /* register network adapter */
484 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
485 return 0;
486
487fail_fe_conn:
488 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
489fail_fe_mem:
490 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
491fail_fe_hw:
492 dvb_dmxdev_release(&dvb->dmxdev);
493fail_dmxdev:
494 dvb_dmx_release(&dvb->demux);
495fail_dmx:
496 if (dvb->fe[1])
497 dvb_unregister_frontend(dvb->fe[1]);
498 dvb_unregister_frontend(dvb->fe[0]);
499fail_frontend1:
500 if (dvb->fe[1])
501 dvb_frontend_detach(dvb->fe[1]);
502fail_frontend0:
503 dvb_frontend_detach(dvb->fe[0]);
504 dvb_unregister_adapter(&dvb->adapter);
505fail_adapter:
506 return result;
507}
508
509static void unregister_dvb(struct em28xx_dvb *dvb)
510{
511 dvb_net_release(&dvb->net);
512 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
513 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
514 dvb_dmxdev_release(&dvb->dmxdev);
515 dvb_dmx_release(&dvb->demux);
516 if (dvb->fe[1])
517 dvb_unregister_frontend(dvb->fe[1]);
518 dvb_unregister_frontend(dvb->fe[0]);
519 if (dvb->fe[1])
520 dvb_frontend_detach(dvb->fe[1]);
521 dvb_frontend_detach(dvb->fe[0]);
522 dvb_unregister_adapter(&dvb->adapter);
523}
524
525static int dvb_init(struct em28xx *dev)
526{
527 int result = 0;
528 struct em28xx_dvb *dvb;
529
530 if (!dev->board.has_dvb) {
531 /* This device does not support the extension */
532 printk(KERN_INFO "em28xx_dvb: This device does not support the extension\n");
533 return 0;
534 }
535
536 dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL);
537
538 if (dvb == NULL) {
539 em28xx_info("em28xx_dvb: memory allocation failed\n");
540 return -ENOMEM;
541 }
542 dev->dvb = dvb;
543 dvb->fe[0] = dvb->fe[1] = NULL;
544
545 mutex_lock(&dev->lock);
546 em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
547 /* init frontend */
548 switch (dev->model) {
549 case EM2874_LEADERSHIP_ISDBT:
550 dvb->fe[0] = dvb_attach(s921_attach,
551 &sharp_isdbt, &dev->i2c_adap);
552
553 if (!dvb->fe[0]) {
554 result = -EINVAL;
555 goto out_free;
556 }
557
558 break;
559 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850:
560 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950:
561 case EM2880_BOARD_PINNACLE_PCTV_HD_PRO:
562 case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600:
563 dvb->fe[0] = dvb_attach(lgdt330x_attach,
564 &em2880_lgdt3303_dev,
565 &dev->i2c_adap);
566 if (attach_xc3028(0x61, dev) < 0) {
567 result = -EINVAL;
568 goto out_free;
569 }
570 break;
571 case EM2880_BOARD_KWORLD_DVB_310U:
572 dvb->fe[0] = dvb_attach(zl10353_attach,
573 &em28xx_zl10353_with_xc3028,
574 &dev->i2c_adap);
575 if (attach_xc3028(0x61, dev) < 0) {
576 result = -EINVAL;
577 goto out_free;
578 }
579 break;
580 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
581 case EM2882_BOARD_TERRATEC_HYBRID_XS:
582 case EM2880_BOARD_EMPIRE_DUAL_TV:
583 dvb->fe[0] = dvb_attach(zl10353_attach,
584 &em28xx_zl10353_xc3028_no_i2c_gate,
585 &dev->i2c_adap);
586 if (attach_xc3028(0x61, dev) < 0) {
587 result = -EINVAL;
588 goto out_free;
589 }
590 break;
591 case EM2880_BOARD_TERRATEC_HYBRID_XS:
592 case EM2880_BOARD_TERRATEC_HYBRID_XS_FR:
593 case EM2881_BOARD_PINNACLE_HYBRID_PRO:
594 case EM2882_BOARD_DIKOM_DK300:
595 case EM2882_BOARD_KWORLD_VS_DVBT:
596 dvb->fe[0] = dvb_attach(zl10353_attach,
597 &em28xx_zl10353_xc3028_no_i2c_gate,
598 &dev->i2c_adap);
599 if (dvb->fe[0] == NULL) {
600 /* This board could have either a zl10353 or a mt352.
601 If the chip id isn't for zl10353, try mt352 */
602 dvb->fe[0] = dvb_attach(mt352_attach,
603 &terratec_xs_mt352_cfg,
604 &dev->i2c_adap);
605 }
606
607 if (attach_xc3028(0x61, dev) < 0) {
608 result = -EINVAL;
609 goto out_free;
610 }
611 break;
612 case EM2883_BOARD_KWORLD_HYBRID_330U:
613 case EM2882_BOARD_EVGA_INDTUBE:
614 dvb->fe[0] = dvb_attach(s5h1409_attach,
615 &em28xx_s5h1409_with_xc3028,
616 &dev->i2c_adap);
617 if (attach_xc3028(0x61, dev) < 0) {
618 result = -EINVAL;
619 goto out_free;
620 }
621 break;
622 case EM2882_BOARD_KWORLD_ATSC_315U:
623 dvb->fe[0] = dvb_attach(lgdt330x_attach,
624 &em2880_lgdt3303_dev,
625 &dev->i2c_adap);
626 if (dvb->fe[0] != NULL) {
627 if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
628 &dev->i2c_adap, 0x61, TUNER_THOMSON_DTT761X)) {
629 result = -EINVAL;
630 goto out_free;
631 }
632 }
633 break;
634 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2:
635 case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E:
636 dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL,
637 &dev->i2c_adap, &dev->udev->dev);
638 if (attach_xc3028(0x61, dev) < 0) {
639 result = -EINVAL;
640 goto out_free;
641 }
642 break;
643 case EM2870_BOARD_REDDO_DVB_C_USB_BOX:
644 /* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */
645 dvb->fe[0] = dvb_attach(tda10023_attach,
646 &em28xx_tda10023_config,
647 &dev->i2c_adap, 0x48);
648 if (dvb->fe[0]) {
649 if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
650 &dev->i2c_adap, 0x60, TUNER_PHILIPS_CU1216L)) {
651 result = -EINVAL;
652 goto out_free;
653 }
654 }
655 break;
656 case EM2870_BOARD_KWORLD_A340:
657 dvb->fe[0] = dvb_attach(lgdt3305_attach,
658 &em2870_lgdt3304_dev,
659 &dev->i2c_adap);
660 if (dvb->fe[0] != NULL)
661 dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
662 &dev->i2c_adap, &kworld_a340_config);
663 break;
664 case EM28174_BOARD_PCTV_290E:
665 /* MFE
666 * FE 0 = DVB-T/T2 + FE 1 = DVB-C, both sharing same tuner. */
667 /* FE 0 */
668 dvb->fe[0] = dvb_attach(cxd2820r_attach,
669 &em28xx_cxd2820r_config, &dev->i2c_adap, NULL);
670 if (dvb->fe[0]) {
671 struct i2c_adapter *i2c_tuner;
672 i2c_tuner = cxd2820r_get_tuner_i2c_adapter(dvb->fe[0]);
673 /* FE 0 attach tuner */
674 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
675 i2c_tuner, &em28xx_cxd2820r_tda18271_config)) {
676 dvb_frontend_detach(dvb->fe[0]);
677 result = -EINVAL;
678 goto out_free;
679 }
680 /* FE 1. This dvb_attach() cannot fail. */
681 dvb->fe[1] = dvb_attach(cxd2820r_attach, NULL, NULL,
682 dvb->fe[0]);
683 dvb->fe[1]->id = 1;
684 /* FE 1 attach tuner */
685 if (!dvb_attach(tda18271_attach, dvb->fe[1], 0x60,
686 i2c_tuner, &em28xx_cxd2820r_tda18271_config)) {
687 dvb_frontend_detach(dvb->fe[1]);
688 /* leave FE 0 still active */
689 }
690 }
691 break;
692 default:
693 em28xx_errdev("/2: The frontend of your DVB/ATSC card"
694 " isn't supported yet\n");
695 break;
696 }
697 if (NULL == dvb->fe[0]) {
698 em28xx_errdev("/2: frontend initialization failed\n");
699 result = -EINVAL;
700 goto out_free;
701 }
702 /* define general-purpose callback pointer */
703 dvb->fe[0]->callback = em28xx_tuner_callback;
704
705 /* register everything */
706 result = register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
707
708 if (result < 0)
709 goto out_free;
710
711 em28xx_info("Successfully loaded em28xx-dvb\n");
712ret:
713 em28xx_set_mode(dev, EM28XX_SUSPEND);
714 mutex_unlock(&dev->lock);
715 return result;
716
717out_free:
718 kfree(dvb);
719 dev->dvb = NULL;
720 goto ret;
721}
722
723static int dvb_fini(struct em28xx *dev)
724{
725 if (!dev->board.has_dvb) {
726 /* This device does not support the extension */
727 return 0;
728 }
729
730 if (dev->dvb) {
731 unregister_dvb(dev->dvb);
732 kfree(dev->dvb);
733 dev->dvb = NULL;
734 }
735
736 return 0;
737}
738
739static struct em28xx_ops dvb_ops = {
740 .id = EM28XX_DVB,
741 .name = "Em28xx dvb Extension",
742 .init = dvb_init,
743 .fini = dvb_fini,
744};
745
746static int __init em28xx_dvb_register(void)
747{
748 return em28xx_register_extension(&dvb_ops);
749}
750
751static void __exit em28xx_dvb_unregister(void)
752{
753 em28xx_unregister_extension(&dvb_ops);
754}
755
756module_init(em28xx_dvb_register);
757module_exit(em28xx_dvb_unregister);