1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24#include <linux/kernel.h>
25#include <linux/slab.h>
26#include <linux/usb.h>
27
28#include "em28xx.h"
29#include <media/v4l2-common.h>
30#include <dvb_demux.h>
31#include <dvb_net.h>
32#include <dmxdev.h>
33#include <media/tuner.h>
34#include "tuner-simple.h"
35#include <linux/gpio.h>
36
37#include "lgdt330x.h"
38#include "lgdt3305.h"
39#include "zl10353.h"
40#include "s5h1409.h"
41#include "mt2060.h"
42#include "mt352.h"
43#include "mt352_priv.h"
44#include "tda1002x.h"
45#include "drx39xyj/drx39xxj.h"
46#include "tda18271.h"
47#include "s921.h"
48#include "drxd.h"
49#include "cxd2820r.h"
50#include "tda18271c2dd.h"
51#include "drxk.h"
52#include "tda10071.h"
53#include "tda18212.h"
54#include "a8293.h"
55#include "qt1010.h"
56#include "mb86a20s.h"
57#include "m88ds3103.h"
58#include "ts2020.h"
59#include "si2168.h"
60#include "si2157.h"
61
62MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
63MODULE_LICENSE("GPL");
64MODULE_DESCRIPTION(DRIVER_DESC " - digital TV interface");
65MODULE_VERSION(EM28XX_VERSION);
66
67static unsigned int debug;
68module_param(debug, int, 0644);
69MODULE_PARM_DESC(debug, "enable debug messages [dvb]");
70
71DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
72
73#define dprintk(level, fmt, arg...) do { \
74if (debug >= level) \
75 printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \
76} while (0)
77
78struct em28xx_dvb {
79 struct dvb_frontend *fe[2];
80
81
82 struct mutex lock;
83 int nfeeds;
84
85
86 struct dvb_adapter adapter;
87 struct dvb_demux demux;
88 struct dmxdev dmxdev;
89 struct dmx_frontend fe_hw;
90 struct dmx_frontend fe_mem;
91 struct dvb_net net;
92
93
94 int (*gate_ctrl)(struct dvb_frontend *, int);
95 struct semaphore pll_mutex;
96 bool dont_attach_fe1;
97 int lna_gpio;
98 struct i2c_client *i2c_client_demod;
99 struct i2c_client *i2c_client_tuner;
100 struct i2c_client *i2c_client_sec;
101};
102
103static inline void print_err_status(struct em28xx *dev,
104 int packet, int status)
105{
106 char *errmsg = "Unknown";
107
108 switch (status) {
109 case -ENOENT:
110 errmsg = "unlinked synchronuously";
111 break;
112 case -ECONNRESET:
113 errmsg = "unlinked asynchronuously";
114 break;
115 case -ENOSR:
116 errmsg = "Buffer error (overrun)";
117 break;
118 case -EPIPE:
119 errmsg = "Stalled (device not responding)";
120 break;
121 case -EOVERFLOW:
122 errmsg = "Babble (bad cable?)";
123 break;
124 case -EPROTO:
125 errmsg = "Bit-stuff error (bad cable?)";
126 break;
127 case -EILSEQ:
128 errmsg = "CRC/Timeout (could be anything)";
129 break;
130 case -ETIME:
131 errmsg = "Device does not respond";
132 break;
133 }
134 if (packet < 0) {
135 dprintk(1, "URB status %d [%s].\n", status, errmsg);
136 } else {
137 dprintk(1, "URB packet %d, status %d [%s].\n",
138 packet, status, errmsg);
139 }
140}
141
142static inline int em28xx_dvb_urb_data_copy(struct em28xx *dev, struct urb *urb)
143{
144 int xfer_bulk, num_packets, i;
145
146 if (!dev)
147 return 0;
148
149 if (dev->disconnected)
150 return 0;
151
152 if (urb->status < 0)
153 print_err_status(dev, -1, urb->status);
154
155 xfer_bulk = usb_pipebulk(urb->pipe);
156
157 if (xfer_bulk)
158 num_packets = 1;
159 else
160 num_packets = urb->number_of_packets;
161
162 for (i = 0; i < num_packets; i++) {
163 if (xfer_bulk) {
164 if (urb->status < 0) {
165 print_err_status(dev, i, urb->status);
166 if (urb->status != -EPROTO)
167 continue;
168 }
169 if (!urb->actual_length)
170 continue;
171 dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer,
172 urb->actual_length);
173 } else {
174 if (urb->iso_frame_desc[i].status < 0) {
175 print_err_status(dev, i,
176 urb->iso_frame_desc[i].status);
177 if (urb->iso_frame_desc[i].status != -EPROTO)
178 continue;
179 }
180 if (!urb->iso_frame_desc[i].actual_length)
181 continue;
182 dvb_dmx_swfilter(&dev->dvb->demux,
183 urb->transfer_buffer +
184 urb->iso_frame_desc[i].offset,
185 urb->iso_frame_desc[i].actual_length);
186 }
187 }
188
189 return 0;
190}
191
192static int em28xx_start_streaming(struct em28xx_dvb *dvb)
193{
194 int rc;
195 struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv;
196 struct em28xx *dev = i2c_bus->dev;
197 int dvb_max_packet_size, packet_multiplier, dvb_alt;
198
199 if (dev->dvb_xfer_bulk) {
200 if (!dev->dvb_ep_bulk)
201 return -ENODEV;
202 dvb_max_packet_size = 512;
203 packet_multiplier = EM28XX_DVB_BULK_PACKET_MULTIPLIER;
204 dvb_alt = 0;
205 } else {
206 if (!dev->dvb_ep_isoc)
207 return -ENODEV;
208 dvb_max_packet_size = dev->dvb_max_pkt_size_isoc;
209 if (dvb_max_packet_size < 0)
210 return dvb_max_packet_size;
211 packet_multiplier = EM28XX_DVB_NUM_ISOC_PACKETS;
212 dvb_alt = dev->dvb_alt_isoc;
213 }
214
215 usb_set_interface(dev->udev, dev->ifnum, dvb_alt);
216 rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
217 if (rc < 0)
218 return rc;
219
220 dprintk(1, "Using %d buffers each with %d x %d bytes, alternate %d\n",
221 EM28XX_DVB_NUM_BUFS,
222 packet_multiplier,
223 dvb_max_packet_size, dvb_alt);
224
225 return em28xx_init_usb_xfer(dev, EM28XX_DIGITAL_MODE,
226 dev->dvb_xfer_bulk,
227 EM28XX_DVB_NUM_BUFS,
228 dvb_max_packet_size,
229 packet_multiplier,
230 em28xx_dvb_urb_data_copy);
231}
232
233static int em28xx_stop_streaming(struct em28xx_dvb *dvb)
234{
235 struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv;
236 struct em28xx *dev = i2c_bus->dev;
237
238 em28xx_stop_urbs(dev);
239
240 return 0;
241}
242
243static int em28xx_start_feed(struct dvb_demux_feed *feed)
244{
245 struct dvb_demux *demux = feed->demux;
246 struct em28xx_dvb *dvb = demux->priv;
247 int rc, ret;
248
249 if (!demux->dmx.frontend)
250 return -EINVAL;
251
252 mutex_lock(&dvb->lock);
253 dvb->nfeeds++;
254 rc = dvb->nfeeds;
255
256 if (dvb->nfeeds == 1) {
257 ret = em28xx_start_streaming(dvb);
258 if (ret < 0)
259 rc = ret;
260 }
261
262 mutex_unlock(&dvb->lock);
263 return rc;
264}
265
266static int em28xx_stop_feed(struct dvb_demux_feed *feed)
267{
268 struct dvb_demux *demux = feed->demux;
269 struct em28xx_dvb *dvb = demux->priv;
270 int err = 0;
271
272 mutex_lock(&dvb->lock);
273 dvb->nfeeds--;
274
275 if (0 == dvb->nfeeds)
276 err = em28xx_stop_streaming(dvb);
277
278 mutex_unlock(&dvb->lock);
279 return err;
280}
281
282
283
284static int em28xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
285{
286 struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
287 struct em28xx *dev = i2c_bus->dev;
288
289 if (acquire)
290 return em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
291 else
292 return em28xx_set_mode(dev, EM28XX_SUSPEND);
293}
294
295
296
297static struct lgdt330x_config em2880_lgdt3303_dev = {
298 .demod_address = 0x0e,
299 .demod_chip = LGDT3303,
300};
301
302static struct lgdt3305_config em2870_lgdt3304_dev = {
303 .i2c_addr = 0x0e,
304 .demod_chip = LGDT3304,
305 .spectral_inversion = 1,
306 .deny_i2c_rptr = 1,
307 .mpeg_mode = LGDT3305_MPEG_PARALLEL,
308 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
309 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
310 .vsb_if_khz = 3250,
311 .qam_if_khz = 4000,
312};
313
314static struct lgdt3305_config em2874_lgdt3305_dev = {
315 .i2c_addr = 0x0e,
316 .demod_chip = LGDT3305,
317 .spectral_inversion = 1,
318 .deny_i2c_rptr = 0,
319 .mpeg_mode = LGDT3305_MPEG_SERIAL,
320 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
321 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
322 .vsb_if_khz = 3250,
323 .qam_if_khz = 4000,
324};
325
326static struct lgdt3305_config em2874_lgdt3305_nogate_dev = {
327 .i2c_addr = 0x0e,
328 .demod_chip = LGDT3305,
329 .spectral_inversion = 1,
330 .deny_i2c_rptr = 1,
331 .mpeg_mode = LGDT3305_MPEG_SERIAL,
332 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
333 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
334 .vsb_if_khz = 3600,
335 .qam_if_khz = 3600,
336};
337
338static struct s921_config sharp_isdbt = {
339 .demod_address = 0x30 >> 1
340};
341
342static struct zl10353_config em28xx_zl10353_with_xc3028 = {
343 .demod_address = (0x1e >> 1),
344 .no_tuner = 1,
345 .parallel_ts = 1,
346 .if2 = 45600,
347};
348
349static struct s5h1409_config em28xx_s5h1409_with_xc3028 = {
350 .demod_address = 0x32 >> 1,
351 .output_mode = S5H1409_PARALLEL_OUTPUT,
352 .gpio = S5H1409_GPIO_OFF,
353 .inversion = S5H1409_INVERSION_OFF,
354 .status_mode = S5H1409_DEMODLOCKING,
355 .mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK
356};
357
358static struct tda18271_std_map kworld_a340_std_map = {
359 .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 0,
360 .if_lvl = 1, .rfagc_top = 0x37, },
361 .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 1,
362 .if_lvl = 1, .rfagc_top = 0x37, },
363};
364
365static struct tda18271_config kworld_a340_config = {
366 .std_map = &kworld_a340_std_map,
367};
368
369static struct tda18271_config kworld_ub435q_v2_config = {
370 .std_map = &kworld_a340_std_map,
371 .gate = TDA18271_GATE_DIGITAL,
372};
373
374static struct tda18212_config kworld_ub435q_v3_config = {
375 .if_atsc_vsb = 3600,
376 .if_atsc_qam = 3600,
377};
378
379static struct zl10353_config em28xx_zl10353_xc3028_no_i2c_gate = {
380 .demod_address = (0x1e >> 1),
381 .no_tuner = 1,
382 .disable_i2c_gate_ctrl = 1,
383 .parallel_ts = 1,
384 .if2 = 45600,
385};
386
387static struct drxd_config em28xx_drxd = {
388 .demod_address = 0x70,
389 .demod_revision = 0xa2,
390 .pll_type = DRXD_PLL_NONE,
391 .clock = 12000,
392 .insert_rs_byte = 1,
393 .IF = 42800000,
394 .disable_i2c_gate_ctrl = 1,
395};
396
397static struct drxk_config terratec_h5_drxk = {
398 .adr = 0x29,
399 .single_master = 1,
400 .no_i2c_bridge = 1,
401 .microcode_name = "dvb-usb-terratec-h5-drxk.fw",
402 .qam_demod_parameter_count = 2,
403};
404
405static struct drxk_config hauppauge_930c_drxk = {
406 .adr = 0x29,
407 .single_master = 1,
408 .no_i2c_bridge = 1,
409 .microcode_name = "dvb-usb-hauppauge-hvr930c-drxk.fw",
410 .chunk_size = 56,
411 .qam_demod_parameter_count = 2,
412};
413
414static struct drxk_config terratec_htc_stick_drxk = {
415 .adr = 0x29,
416 .single_master = 1,
417 .no_i2c_bridge = 1,
418 .microcode_name = "dvb-usb-terratec-htc-stick-drxk.fw",
419 .chunk_size = 54,
420 .qam_demod_parameter_count = 2,
421
422 .antenna_dvbt = true,
423
424 .antenna_gpio = 0x6,
425};
426
427static struct drxk_config maxmedia_ub425_tc_drxk = {
428 .adr = 0x29,
429 .single_master = 1,
430 .no_i2c_bridge = 1,
431 .microcode_name = "dvb-demod-drxk-01.fw",
432 .chunk_size = 62,
433 .qam_demod_parameter_count = 2,
434};
435
436static struct drxk_config pctv_520e_drxk = {
437 .adr = 0x29,
438 .single_master = 1,
439 .microcode_name = "dvb-demod-drxk-pctv.fw",
440 .qam_demod_parameter_count = 2,
441 .chunk_size = 58,
442 .antenna_dvbt = true,
443 .antenna_gpio = (1 << 2),
444};
445
446static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
447{
448 struct em28xx_dvb *dvb = fe->sec_priv;
449 int status;
450
451 if (!dvb)
452 return -EINVAL;
453
454 if (enable) {
455 down(&dvb->pll_mutex);
456 status = dvb->gate_ctrl(fe, 1);
457 } else {
458 status = dvb->gate_ctrl(fe, 0);
459 up(&dvb->pll_mutex);
460 }
461 return status;
462}
463
464static void hauppauge_hvr930c_init(struct em28xx *dev)
465{
466 int i;
467
468 struct em28xx_reg_seq hauppauge_hvr930c_init[] = {
469 {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0x65},
470 {EM2874_R80_GPIO_P0_CTRL, 0xfb, 0xff, 0x32},
471 {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0xb8},
472 { -1, -1, -1, -1},
473 };
474 struct em28xx_reg_seq hauppauge_hvr930c_end[] = {
475 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x01},
476 {EM2874_R80_GPIO_P0_CTRL, 0xaf, 0xff, 0x65},
477 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x76},
478 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x01},
479 {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x0b},
480 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x40},
481
482 {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x65},
483 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x65},
484 {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x0b},
485 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x65},
486
487 { -1, -1, -1, -1},
488 };
489
490 struct {
491 unsigned char r[4];
492 int len;
493 } regs[] = {
494 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
495 {{ 0x01, 0x02 }, 2},
496 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
497 {{ 0x01, 0x00 }, 2},
498 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
499 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
500 {{ 0x01, 0x00 }, 2},
501 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
502 {{ 0x04, 0x00 }, 2},
503 {{ 0x00, 0x04 }, 2},
504 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
505 {{ 0x04, 0x14 }, 2},
506 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
507 };
508
509 em28xx_gpio_set(dev, hauppauge_hvr930c_init);
510 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
511 msleep(10);
512 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
513 msleep(10);
514
515 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
516
517 for (i = 0; i < ARRAY_SIZE(regs); i++)
518 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
519 em28xx_gpio_set(dev, hauppauge_hvr930c_end);
520
521 msleep(100);
522
523 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
524 msleep(30);
525
526 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
527 msleep(10);
528
529}
530
531static void terratec_h5_init(struct em28xx *dev)
532{
533 int i;
534 struct em28xx_reg_seq terratec_h5_init[] = {
535 {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10},
536 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100},
537 {EM2874_R80_GPIO_P0_CTRL, 0xf2, 0xff, 50},
538 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100},
539 { -1, -1, -1, -1},
540 };
541 struct em28xx_reg_seq terratec_h5_end[] = {
542 {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100},
543 {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 50},
544 {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100},
545 { -1, -1, -1, -1},
546 };
547 struct {
548 unsigned char r[4];
549 int len;
550 } regs[] = {
551 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
552 {{ 0x01, 0x02 }, 2},
553 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
554 {{ 0x01, 0x00 }, 2},
555 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
556 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
557 {{ 0x01, 0x00 }, 2},
558 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
559 {{ 0x04, 0x00 }, 2},
560 {{ 0x00, 0x04 }, 2},
561 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
562 {{ 0x04, 0x14 }, 2},
563 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
564 };
565
566 em28xx_gpio_set(dev, terratec_h5_init);
567 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
568 msleep(10);
569 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
570 msleep(10);
571
572 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
573
574 for (i = 0; i < ARRAY_SIZE(regs); i++)
575 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
576 em28xx_gpio_set(dev, terratec_h5_end);
577};
578
579static void terratec_htc_stick_init(struct em28xx *dev)
580{
581 int i;
582
583
584
585
586
587
588
589
590 struct em28xx_reg_seq terratec_htc_stick_init[] = {
591 {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10},
592 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100},
593 {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 50},
594 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100},
595 { -1, -1, -1, -1},
596 };
597 struct em28xx_reg_seq terratec_htc_stick_end[] = {
598 {EM2874_R80_GPIO_P0_CTRL, 0xb6, 0xff, 100},
599 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 50},
600 { -1, -1, -1, -1},
601 };
602
603
604
605
606
607 struct {
608 unsigned char r[4];
609 int len;
610 } regs[] = {
611 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
612 {{ 0x01, 0x02 }, 2},
613 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
614 {{ 0x01, 0x00 }, 2},
615 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
616 };
617
618 em28xx_gpio_set(dev, terratec_htc_stick_init);
619
620 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
621 msleep(10);
622 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
623 msleep(10);
624
625 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
626
627 for (i = 0; i < ARRAY_SIZE(regs); i++)
628 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
629
630 em28xx_gpio_set(dev, terratec_htc_stick_end);
631};
632
633static void terratec_htc_usb_xs_init(struct em28xx *dev)
634{
635 int i;
636
637 struct em28xx_reg_seq terratec_htc_usb_xs_init[] = {
638 {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10},
639 {EM2874_R80_GPIO_P0_CTRL, 0xb2, 0xff, 100},
640 {EM2874_R80_GPIO_P0_CTRL, 0xb2, 0xff, 50},
641 {EM2874_R80_GPIO_P0_CTRL, 0xb6, 0xff, 100},
642 { -1, -1, -1, -1},
643 };
644 struct em28xx_reg_seq terratec_htc_usb_xs_end[] = {
645 {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 100},
646 {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 50},
647 {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100},
648 { -1, -1, -1, -1},
649 };
650
651
652
653
654
655 struct {
656 unsigned char r[4];
657 int len;
658 } regs[] = {
659 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
660 {{ 0x01, 0x02 }, 2},
661 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
662 {{ 0x01, 0x00 }, 2},
663 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
664 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
665 {{ 0x01, 0x00 }, 2},
666 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
667 {{ 0x04, 0x00 }, 2},
668 {{ 0x00, 0x04 }, 2},
669 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
670 {{ 0x04, 0x14 }, 2},
671 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
672 };
673
674 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
675
676 em28xx_gpio_set(dev, terratec_htc_usb_xs_init);
677
678 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
679 msleep(10);
680 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
681 msleep(10);
682
683 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
684
685 for (i = 0; i < ARRAY_SIZE(regs); i++)
686 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
687
688 em28xx_gpio_set(dev, terratec_htc_usb_xs_end);
689};
690
691static void pctv_520e_init(struct em28xx *dev)
692{
693
694
695
696
697 int i;
698 struct {
699 unsigned char r[4];
700 int len;
701 } regs[] = {
702 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
703 {{ 0x01, 0x02 }, 2},
704 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
705 {{ 0x01, 0x00 }, 2},
706 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
707 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
708 {{ 0x01, 0x00 }, 2},
709 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
710 };
711
712 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
713
714 for (i = 0; i < ARRAY_SIZE(regs); i++)
715 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
716};
717
718static int em28xx_pctv_290e_set_lna(struct dvb_frontend *fe)
719{
720 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
721 struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
722 struct em28xx *dev = i2c_bus->dev;
723#ifdef CONFIG_GPIOLIB
724 struct em28xx_dvb *dvb = dev->dvb;
725 int ret;
726 unsigned long flags;
727
728 if (c->lna == 1)
729 flags = GPIOF_OUT_INIT_HIGH;
730 else
731 flags = GPIOF_OUT_INIT_LOW;
732
733 ret = gpio_request_one(dvb->lna_gpio, flags, NULL);
734 if (ret)
735 em28xx_errdev("gpio request failed %d\n", ret);
736 else
737 gpio_free(dvb->lna_gpio);
738
739 return ret;
740#else
741 dev_warn(&dev->udev->dev, "%s: LNA control is disabled (lna=%u)\n",
742 KBUILD_MODNAME, c->lna);
743 return 0;
744#endif
745}
746
747static int em28xx_pctv_292e_set_lna(struct dvb_frontend *fe)
748{
749 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
750 struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
751 struct em28xx *dev = i2c_bus->dev;
752 u8 lna;
753
754 if (c->lna == 1)
755 lna = 0x01;
756 else
757 lna = 0x00;
758
759 return em28xx_write_reg_bits(dev, EM2874_R80_GPIO_P0_CTRL, lna, 0x01);
760}
761
762static int em28xx_mt352_terratec_xs_init(struct dvb_frontend *fe)
763{
764
765 static u8 clock_config[] = { CLOCK_CTL, 0x38, 0x2c };
766 static u8 reset[] = { RESET, 0x80 };
767 static u8 adc_ctl_1_cfg[] = { ADC_CTL_1, 0x40 };
768 static u8 agc_cfg[] = { AGC_TARGET, 0x28, 0xa0 };
769 static u8 input_freq_cfg[] = { INPUT_FREQ_1, 0x31, 0xb8 };
770 static u8 rs_err_cfg[] = { RS_ERR_PER_1, 0x00, 0x4d };
771 static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
772 static u8 trl_nom_cfg[] = { TRL_NOMINAL_RATE_1, 0x64, 0x00 };
773 static u8 tps_given_cfg[] = { TPS_GIVEN_1, 0x40, 0x80, 0x50 };
774 static u8 tuner_go[] = { TUNER_GO, 0x01};
775
776 mt352_write(fe, clock_config, sizeof(clock_config));
777 udelay(200);
778 mt352_write(fe, reset, sizeof(reset));
779 mt352_write(fe, adc_ctl_1_cfg, sizeof(adc_ctl_1_cfg));
780 mt352_write(fe, agc_cfg, sizeof(agc_cfg));
781 mt352_write(fe, input_freq_cfg, sizeof(input_freq_cfg));
782 mt352_write(fe, rs_err_cfg, sizeof(rs_err_cfg));
783 mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
784 mt352_write(fe, trl_nom_cfg, sizeof(trl_nom_cfg));
785 mt352_write(fe, tps_given_cfg, sizeof(tps_given_cfg));
786 mt352_write(fe, tuner_go, sizeof(tuner_go));
787 return 0;
788}
789
790static struct mt352_config terratec_xs_mt352_cfg = {
791 .demod_address = (0x1e >> 1),
792 .no_tuner = 1,
793 .if2 = 45600,
794 .demod_init = em28xx_mt352_terratec_xs_init,
795};
796
797static struct tda10023_config em28xx_tda10023_config = {
798 .demod_address = 0x0c,
799 .invert = 1,
800};
801
802static struct cxd2820r_config em28xx_cxd2820r_config = {
803 .i2c_address = (0xd8 >> 1),
804 .ts_mode = CXD2820R_TS_SERIAL,
805};
806
807static struct tda18271_config em28xx_cxd2820r_tda18271_config = {
808 .output_opt = TDA18271_OUTPUT_LT_OFF,
809 .gate = TDA18271_GATE_DIGITAL,
810};
811
812static struct zl10353_config em28xx_zl10353_no_i2c_gate_dev = {
813 .demod_address = (0x1e >> 1),
814 .disable_i2c_gate_ctrl = 1,
815 .no_tuner = 1,
816 .parallel_ts = 1,
817};
818
819static struct mt2060_config em28xx_mt2060_config = {
820 .i2c_address = 0x60,
821};
822
823static struct qt1010_config em28xx_qt1010_config = {
824 .i2c_address = 0x62
825};
826
827static const struct mb86a20s_config c3tech_duo_mb86a20s_config = {
828 .demod_address = 0x10,
829 .is_serial = true,
830};
831
832static struct tda18271_std_map mb86a20s_tda18271_config = {
833 .dvbt_6 = { .if_freq = 4000, .agc_mode = 3, .std = 4,
834 .if_lvl = 1, .rfagc_top = 0x37, },
835};
836
837static struct tda18271_config c3tech_duo_tda18271_config = {
838 .std_map = &mb86a20s_tda18271_config,
839 .gate = TDA18271_GATE_DIGITAL,
840 .small_i2c = TDA18271_03_BYTE_CHUNK_INIT,
841};
842
843static const struct m88ds3103_config pctv_461e_m88ds3103_config = {
844 .i2c_addr = 0x68,
845 .clock = 27000000,
846 .i2c_wr_max = 33,
847 .clock_out = 0,
848 .ts_mode = M88DS3103_TS_PARALLEL,
849 .ts_clk = 16000,
850 .ts_clk_pol = 1,
851 .agc = 0x99,
852};
853
854static struct tda18271_std_map drx_j_std_map = {
855 .atsc_6 = { .if_freq = 5000, .agc_mode = 3, .std = 0, .if_lvl = 1,
856 .rfagc_top = 0x37, },
857 .qam_6 = { .if_freq = 5380, .agc_mode = 3, .std = 3, .if_lvl = 1,
858 .rfagc_top = 0x37, },
859};
860
861static struct tda18271_config pinnacle_80e_dvb_config = {
862 .std_map = &drx_j_std_map,
863 .gate = TDA18271_GATE_DIGITAL,
864 .role = TDA18271_MASTER,
865};
866
867
868
869static int em28xx_attach_xc3028(u8 addr, struct em28xx *dev)
870{
871 struct dvb_frontend *fe;
872 struct xc2028_config cfg;
873 struct xc2028_ctrl ctl;
874
875 memset(&cfg, 0, sizeof(cfg));
876 cfg.i2c_adap = &dev->i2c_adap[dev->def_i2c_bus];
877 cfg.i2c_addr = addr;
878
879 memset(&ctl, 0, sizeof(ctl));
880 em28xx_setup_xc3028(dev, &ctl);
881 cfg.ctrl = &ctl;
882
883 if (!dev->dvb->fe[0]) {
884 em28xx_errdev("/2: dvb frontend not attached. "
885 "Can't attach xc3028\n");
886 return -EINVAL;
887 }
888
889 fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg);
890 if (!fe) {
891 em28xx_errdev("/2: xc3028 attach failed\n");
892 dvb_frontend_detach(dev->dvb->fe[0]);
893 dev->dvb->fe[0] = NULL;
894 return -EINVAL;
895 }
896
897 em28xx_info("%s/2: xc3028 attached\n", dev->name);
898
899 return 0;
900}
901
902
903
904static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
905 struct em28xx *dev, struct device *device)
906{
907 int result;
908 bool create_rf_connector = false;
909
910 mutex_init(&dvb->lock);
911
912
913 result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,
914 adapter_nr);
915 if (result < 0) {
916 printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n",
917 dev->name, result);
918 goto fail_adapter;
919 }
920#ifdef CONFIG_MEDIA_CONTROLLER_DVB
921 dvb->adapter.mdev = dev->media_dev;
922#endif
923
924
925 dvb->fe[0]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
926 if (dvb->fe[1])
927 dvb->fe[1]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
928
929 dvb->adapter.priv = &dev->i2c_bus[dev->def_i2c_bus];
930
931
932 result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]);
933 if (result < 0) {
934 printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n",
935 dev->name, result);
936 goto fail_frontend0;
937 }
938
939
940 if (dvb->fe[1]) {
941 result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]);
942 if (result < 0) {
943 printk(KERN_WARNING "%s: 2nd dvb_register_frontend failed (errno = %d)\n",
944 dev->name, result);
945 goto fail_frontend1;
946 }
947 }
948
949
950 dvb->demux.dmx.capabilities =
951 DMX_TS_FILTERING | DMX_SECTION_FILTERING |
952 DMX_MEMORY_BASED_FILTERING;
953 dvb->demux.priv = dvb;
954 dvb->demux.filternum = 256;
955 dvb->demux.feednum = 256;
956 dvb->demux.start_feed = em28xx_start_feed;
957 dvb->demux.stop_feed = em28xx_stop_feed;
958
959 result = dvb_dmx_init(&dvb->demux);
960 if (result < 0) {
961 printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n",
962 dev->name, result);
963 goto fail_dmx;
964 }
965
966 dvb->dmxdev.filternum = 256;
967 dvb->dmxdev.demux = &dvb->demux.dmx;
968 dvb->dmxdev.capabilities = 0;
969 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
970 if (result < 0) {
971 printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n",
972 dev->name, result);
973 goto fail_dmxdev;
974 }
975
976 dvb->fe_hw.source = DMX_FRONTEND_0;
977 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
978 if (result < 0) {
979 printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
980 dev->name, result);
981 goto fail_fe_hw;
982 }
983
984 dvb->fe_mem.source = DMX_MEMORY_FE;
985 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
986 if (result < 0) {
987 printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
988 dev->name, result);
989 goto fail_fe_mem;
990 }
991
992 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
993 if (result < 0) {
994 printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n",
995 dev->name, result);
996 goto fail_fe_conn;
997 }
998
999
1000 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
1001
1002
1003 if (!dev->has_video || (dev->tuner_type == TUNER_ABSENT))
1004 create_rf_connector = true;
1005
1006 result = dvb_create_media_graph(&dvb->adapter, create_rf_connector);
1007 if (result < 0)
1008 goto fail_create_graph;
1009
1010 return 0;
1011
1012fail_create_graph:
1013 dvb_net_release(&dvb->net);
1014fail_fe_conn:
1015 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
1016fail_fe_mem:
1017 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
1018fail_fe_hw:
1019 dvb_dmxdev_release(&dvb->dmxdev);
1020fail_dmxdev:
1021 dvb_dmx_release(&dvb->demux);
1022fail_dmx:
1023 if (dvb->fe[1])
1024 dvb_unregister_frontend(dvb->fe[1]);
1025 dvb_unregister_frontend(dvb->fe[0]);
1026fail_frontend1:
1027 if (dvb->fe[1])
1028 dvb_frontend_detach(dvb->fe[1]);
1029fail_frontend0:
1030 dvb_frontend_detach(dvb->fe[0]);
1031 dvb_unregister_adapter(&dvb->adapter);
1032fail_adapter:
1033 return result;
1034}
1035
1036static void em28xx_unregister_dvb(struct em28xx_dvb *dvb)
1037{
1038 dvb_net_release(&dvb->net);
1039 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
1040 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
1041 dvb_dmxdev_release(&dvb->dmxdev);
1042 dvb_dmx_release(&dvb->demux);
1043 if (dvb->fe[1])
1044 dvb_unregister_frontend(dvb->fe[1]);
1045 dvb_unregister_frontend(dvb->fe[0]);
1046 if (dvb->fe[1] && !dvb->dont_attach_fe1)
1047 dvb_frontend_detach(dvb->fe[1]);
1048 dvb_frontend_detach(dvb->fe[0]);
1049 dvb_unregister_adapter(&dvb->adapter);
1050}
1051
1052static int em28xx_dvb_init(struct em28xx *dev)
1053{
1054 int result = 0;
1055 struct em28xx_dvb *dvb;
1056
1057 if (dev->is_audio_only) {
1058
1059 return 0;
1060 }
1061
1062 if (!dev->board.has_dvb) {
1063
1064 return 0;
1065 }
1066
1067 em28xx_info("Binding DVB extension\n");
1068
1069 dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL);
1070 if (dvb == NULL) {
1071 em28xx_info("em28xx_dvb: memory allocation failed\n");
1072 return -ENOMEM;
1073 }
1074 dev->dvb = dvb;
1075 dvb->fe[0] = dvb->fe[1] = NULL;
1076
1077
1078 if (dev->dvb_xfer_bulk) {
1079 result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE,
1080 dev->dvb_xfer_bulk,
1081 EM28XX_DVB_NUM_BUFS,
1082 512,
1083 EM28XX_DVB_BULK_PACKET_MULTIPLIER);
1084 } else {
1085 result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE,
1086 dev->dvb_xfer_bulk,
1087 EM28XX_DVB_NUM_BUFS,
1088 dev->dvb_max_pkt_size_isoc,
1089 EM28XX_DVB_NUM_ISOC_PACKETS);
1090 }
1091 if (result) {
1092 em28xx_errdev("em28xx_dvb: failed to pre-allocate USB transfer buffers for DVB.\n");
1093 kfree(dvb);
1094 dev->dvb = NULL;
1095 return result;
1096 }
1097
1098 mutex_lock(&dev->lock);
1099 em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
1100
1101 switch (dev->model) {
1102 case EM2874_BOARD_LEADERSHIP_ISDBT:
1103 dvb->fe[0] = dvb_attach(s921_attach,
1104 &sharp_isdbt, &dev->i2c_adap[dev->def_i2c_bus]);
1105
1106 if (!dvb->fe[0]) {
1107 result = -EINVAL;
1108 goto out_free;
1109 }
1110
1111 break;
1112 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850:
1113 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950:
1114 case EM2880_BOARD_PINNACLE_PCTV_HD_PRO:
1115 case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600:
1116 dvb->fe[0] = dvb_attach(lgdt330x_attach,
1117 &em2880_lgdt3303_dev,
1118 &dev->i2c_adap[dev->def_i2c_bus]);
1119 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1120 result = -EINVAL;
1121 goto out_free;
1122 }
1123 break;
1124 case EM2880_BOARD_KWORLD_DVB_310U:
1125 dvb->fe[0] = dvb_attach(zl10353_attach,
1126 &em28xx_zl10353_with_xc3028,
1127 &dev->i2c_adap[dev->def_i2c_bus]);
1128 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1129 result = -EINVAL;
1130 goto out_free;
1131 }
1132 break;
1133 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
1134 case EM2882_BOARD_TERRATEC_HYBRID_XS:
1135 case EM2880_BOARD_EMPIRE_DUAL_TV:
1136 dvb->fe[0] = dvb_attach(zl10353_attach,
1137 &em28xx_zl10353_xc3028_no_i2c_gate,
1138 &dev->i2c_adap[dev->def_i2c_bus]);
1139 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1140 result = -EINVAL;
1141 goto out_free;
1142 }
1143 break;
1144 case EM2880_BOARD_TERRATEC_HYBRID_XS:
1145 case EM2880_BOARD_TERRATEC_HYBRID_XS_FR:
1146 case EM2881_BOARD_PINNACLE_HYBRID_PRO:
1147 case EM2882_BOARD_DIKOM_DK300:
1148 case EM2882_BOARD_KWORLD_VS_DVBT:
1149 dvb->fe[0] = dvb_attach(zl10353_attach,
1150 &em28xx_zl10353_xc3028_no_i2c_gate,
1151 &dev->i2c_adap[dev->def_i2c_bus]);
1152 if (dvb->fe[0] == NULL) {
1153
1154
1155 dvb->fe[0] = dvb_attach(mt352_attach,
1156 &terratec_xs_mt352_cfg,
1157 &dev->i2c_adap[dev->def_i2c_bus]);
1158 }
1159
1160 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1161 result = -EINVAL;
1162 goto out_free;
1163 }
1164 break;
1165 case EM2870_BOARD_TERRATEC_XS_MT2060:
1166 dvb->fe[0] = dvb_attach(zl10353_attach,
1167 &em28xx_zl10353_no_i2c_gate_dev,
1168 &dev->i2c_adap[dev->def_i2c_bus]);
1169 if (dvb->fe[0] != NULL) {
1170 dvb_attach(mt2060_attach, dvb->fe[0],
1171 &dev->i2c_adap[dev->def_i2c_bus],
1172 &em28xx_mt2060_config, 1220);
1173 }
1174 break;
1175 case EM2870_BOARD_KWORLD_355U:
1176 dvb->fe[0] = dvb_attach(zl10353_attach,
1177 &em28xx_zl10353_no_i2c_gate_dev,
1178 &dev->i2c_adap[dev->def_i2c_bus]);
1179 if (dvb->fe[0] != NULL)
1180 dvb_attach(qt1010_attach, dvb->fe[0],
1181 &dev->i2c_adap[dev->def_i2c_bus], &em28xx_qt1010_config);
1182 break;
1183 case EM2883_BOARD_KWORLD_HYBRID_330U:
1184 case EM2882_BOARD_EVGA_INDTUBE:
1185 dvb->fe[0] = dvb_attach(s5h1409_attach,
1186 &em28xx_s5h1409_with_xc3028,
1187 &dev->i2c_adap[dev->def_i2c_bus]);
1188 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1189 result = -EINVAL;
1190 goto out_free;
1191 }
1192 break;
1193 case EM2882_BOARD_KWORLD_ATSC_315U:
1194 dvb->fe[0] = dvb_attach(lgdt330x_attach,
1195 &em2880_lgdt3303_dev,
1196 &dev->i2c_adap[dev->def_i2c_bus]);
1197 if (dvb->fe[0] != NULL) {
1198 if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
1199 &dev->i2c_adap[dev->def_i2c_bus],
1200 0x61, TUNER_THOMSON_DTT761X)) {
1201 result = -EINVAL;
1202 goto out_free;
1203 }
1204 }
1205 break;
1206 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2:
1207 case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E:
1208 dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL,
1209 &dev->i2c_adap[dev->def_i2c_bus], &dev->udev->dev);
1210 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1211 result = -EINVAL;
1212 goto out_free;
1213 }
1214 break;
1215 case EM2870_BOARD_REDDO_DVB_C_USB_BOX:
1216
1217 dvb->fe[0] = dvb_attach(tda10023_attach,
1218 &em28xx_tda10023_config,
1219 &dev->i2c_adap[dev->def_i2c_bus], 0x48);
1220 if (dvb->fe[0]) {
1221 if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
1222 &dev->i2c_adap[dev->def_i2c_bus],
1223 0x60, TUNER_PHILIPS_CU1216L)) {
1224 result = -EINVAL;
1225 goto out_free;
1226 }
1227 }
1228 break;
1229 case EM2870_BOARD_KWORLD_A340:
1230 dvb->fe[0] = dvb_attach(lgdt3305_attach,
1231 &em2870_lgdt3304_dev,
1232 &dev->i2c_adap[dev->def_i2c_bus]);
1233 if (!dvb->fe[0]) {
1234 result = -EINVAL;
1235 goto out_free;
1236 }
1237 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1238 &dev->i2c_adap[dev->def_i2c_bus],
1239 &kworld_a340_config)) {
1240 dvb_frontend_detach(dvb->fe[0]);
1241 result = -EINVAL;
1242 goto out_free;
1243 }
1244 break;
1245 case EM28174_BOARD_PCTV_290E:
1246
1247 dvb->lna_gpio = CXD2820R_GPIO_E | CXD2820R_GPIO_O |
1248 CXD2820R_GPIO_L;
1249 dvb->fe[0] = dvb_attach(cxd2820r_attach,
1250 &em28xx_cxd2820r_config,
1251 &dev->i2c_adap[dev->def_i2c_bus],
1252 &dvb->lna_gpio);
1253 if (dvb->fe[0]) {
1254
1255 if (!dvb_attach(tda18271_attach,
1256 dvb->fe[0],
1257 0x60,
1258 &dev->i2c_adap[dev->def_i2c_bus],
1259 &em28xx_cxd2820r_tda18271_config)) {
1260
1261 dvb_frontend_detach(dvb->fe[0]);
1262 result = -EINVAL;
1263 goto out_free;
1264 }
1265
1266#ifdef CONFIG_GPIOLIB
1267
1268 result = gpio_request_one(dvb->lna_gpio,
1269 GPIOF_OUT_INIT_LOW, NULL);
1270 if (result)
1271 em28xx_errdev("gpio request failed %d\n",
1272 result);
1273 else
1274 gpio_free(dvb->lna_gpio);
1275
1276 result = 0;
1277#endif
1278 dvb->fe[0]->ops.set_lna = em28xx_pctv_290e_set_lna;
1279 }
1280
1281 break;
1282 case EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C:
1283 {
1284 struct xc5000_config cfg;
1285
1286 hauppauge_hvr930c_init(dev);
1287
1288 dvb->fe[0] = dvb_attach(drxk_attach,
1289 &hauppauge_930c_drxk, &dev->i2c_adap[dev->def_i2c_bus]);
1290 if (!dvb->fe[0]) {
1291 result = -EINVAL;
1292 goto out_free;
1293 }
1294
1295 dvb->fe[0]->sec_priv = dvb;
1296 sema_init(&dvb->pll_mutex, 1);
1297 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
1298 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
1299
1300
1301 memset(&cfg, 0, sizeof(cfg));
1302 cfg.i2c_address = 0x61;
1303 cfg.if_khz = 4000;
1304
1305 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1306 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
1307 if (!dvb_attach(xc5000_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus],
1308 &cfg)) {
1309 result = -EINVAL;
1310 goto out_free;
1311 }
1312 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1313 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
1314
1315 break;
1316 }
1317 case EM2884_BOARD_TERRATEC_H5:
1318 terratec_h5_init(dev);
1319
1320 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, &dev->i2c_adap[dev->def_i2c_bus]);
1321 if (!dvb->fe[0]) {
1322 result = -EINVAL;
1323 goto out_free;
1324 }
1325
1326 dvb->fe[0]->sec_priv = dvb;
1327 sema_init(&dvb->pll_mutex, 1);
1328 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
1329 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
1330
1331
1332 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1333 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
1334 if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus], 0x60)) {
1335 result = -EINVAL;
1336 goto out_free;
1337 }
1338 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1339 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
1340
1341 break;
1342 case EM2884_BOARD_C3TECH_DIGITAL_DUO:
1343 dvb->fe[0] = dvb_attach(mb86a20s_attach,
1344 &c3tech_duo_mb86a20s_config,
1345 &dev->i2c_adap[dev->def_i2c_bus]);
1346 if (dvb->fe[0] != NULL)
1347 dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1348 &dev->i2c_adap[dev->def_i2c_bus],
1349 &c3tech_duo_tda18271_config);
1350 break;
1351 case EM28174_BOARD_PCTV_460E: {
1352 struct i2c_client *client;
1353 struct i2c_board_info board_info;
1354 struct tda10071_platform_data tda10071_pdata = {};
1355 struct a8293_platform_data a8293_pdata = {};
1356
1357
1358 tda10071_pdata.clk = 40444000,
1359 tda10071_pdata.i2c_wr_max = 64,
1360 tda10071_pdata.ts_mode = TDA10071_TS_SERIAL,
1361 tda10071_pdata.pll_multiplier = 20,
1362 tda10071_pdata.tuner_i2c_addr = 0x14,
1363 memset(&board_info, 0, sizeof(board_info));
1364 strlcpy(board_info.type, "tda10071_cx24118", I2C_NAME_SIZE);
1365 board_info.addr = 0x55;
1366 board_info.platform_data = &tda10071_pdata;
1367 request_module("tda10071");
1368 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info);
1369 if (client == NULL || client->dev.driver == NULL) {
1370 result = -ENODEV;
1371 goto out_free;
1372 }
1373 if (!try_module_get(client->dev.driver->owner)) {
1374 i2c_unregister_device(client);
1375 result = -ENODEV;
1376 goto out_free;
1377 }
1378 dvb->fe[0] = tda10071_pdata.get_dvb_frontend(client);
1379 dvb->i2c_client_demod = client;
1380
1381
1382 a8293_pdata.dvb_frontend = dvb->fe[0];
1383 memset(&board_info, 0, sizeof(board_info));
1384 strlcpy(board_info.type, "a8293", I2C_NAME_SIZE);
1385 board_info.addr = 0x08;
1386 board_info.platform_data = &a8293_pdata;
1387 request_module("a8293");
1388 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info);
1389 if (client == NULL || client->dev.driver == NULL) {
1390 module_put(dvb->i2c_client_demod->dev.driver->owner);
1391 i2c_unregister_device(dvb->i2c_client_demod);
1392 result = -ENODEV;
1393 goto out_free;
1394 }
1395 if (!try_module_get(client->dev.driver->owner)) {
1396 i2c_unregister_device(client);
1397 module_put(dvb->i2c_client_demod->dev.driver->owner);
1398 i2c_unregister_device(dvb->i2c_client_demod);
1399 result = -ENODEV;
1400 goto out_free;
1401 }
1402 dvb->i2c_client_sec = client;
1403 break;
1404 }
1405 case EM2874_BOARD_DELOCK_61959:
1406 case EM2874_BOARD_MAXMEDIA_UB425_TC:
1407
1408 dvb->fe[0] = dvb_attach(drxk_attach, &maxmedia_ub425_tc_drxk,
1409 &dev->i2c_adap[dev->def_i2c_bus]);
1410
1411 if (dvb->fe[0]) {
1412
1413 dvb->fe[0]->ops.i2c_gate_ctrl = NULL;
1414
1415
1416 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1417 &dev->i2c_adap[dev->def_i2c_bus],
1418 &em28xx_cxd2820r_tda18271_config)) {
1419 dvb_frontend_detach(dvb->fe[0]);
1420 result = -EINVAL;
1421 goto out_free;
1422 }
1423 }
1424 break;
1425 case EM2884_BOARD_PCTV_510E:
1426 case EM2884_BOARD_PCTV_520E:
1427 pctv_520e_init(dev);
1428
1429
1430 dvb->fe[0] = dvb_attach(drxk_attach, &pctv_520e_drxk,
1431 &dev->i2c_adap[dev->def_i2c_bus]);
1432
1433 if (dvb->fe[0]) {
1434
1435 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1436 &dev->i2c_adap[dev->def_i2c_bus],
1437 &em28xx_cxd2820r_tda18271_config)) {
1438 dvb_frontend_detach(dvb->fe[0]);
1439 result = -EINVAL;
1440 goto out_free;
1441 }
1442 }
1443 break;
1444 case EM2884_BOARD_ELGATO_EYETV_HYBRID_2008:
1445 case EM2884_BOARD_CINERGY_HTC_STICK:
1446 terratec_htc_stick_init(dev);
1447
1448
1449 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,
1450 &dev->i2c_adap[dev->def_i2c_bus]);
1451 if (!dvb->fe[0]) {
1452 result = -EINVAL;
1453 goto out_free;
1454 }
1455
1456
1457 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1458 &dev->i2c_adap[dev->def_i2c_bus],
1459 &em28xx_cxd2820r_tda18271_config)) {
1460 result = -EINVAL;
1461 goto out_free;
1462 }
1463 break;
1464 case EM2884_BOARD_TERRATEC_HTC_USB_XS:
1465 terratec_htc_usb_xs_init(dev);
1466
1467
1468 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,
1469 &dev->i2c_adap[dev->def_i2c_bus]);
1470 if (!dvb->fe[0]) {
1471 result = -EINVAL;
1472 goto out_free;
1473 }
1474
1475
1476 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1477 &dev->i2c_adap[dev->def_i2c_bus],
1478 &em28xx_cxd2820r_tda18271_config)) {
1479 result = -EINVAL;
1480 goto out_free;
1481 }
1482 break;
1483 case EM2874_BOARD_KWORLD_UB435Q_V2:
1484 dvb->fe[0] = dvb_attach(lgdt3305_attach,
1485 &em2874_lgdt3305_dev,
1486 &dev->i2c_adap[dev->def_i2c_bus]);
1487 if (!dvb->fe[0]) {
1488 result = -EINVAL;
1489 goto out_free;
1490 }
1491
1492
1493 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1494 &dev->i2c_adap[dev->def_i2c_bus],
1495 &kworld_ub435q_v2_config)) {
1496 result = -EINVAL;
1497 goto out_free;
1498 }
1499 break;
1500 case EM2874_BOARD_KWORLD_UB435Q_V3:
1501 {
1502 struct i2c_client *client;
1503 struct i2c_adapter *adapter = &dev->i2c_adap[dev->def_i2c_bus];
1504 struct i2c_board_info board_info = {
1505 .type = "tda18212",
1506 .addr = 0x60,
1507 .platform_data = &kworld_ub435q_v3_config,
1508 };
1509
1510 dvb->fe[0] = dvb_attach(lgdt3305_attach,
1511 &em2874_lgdt3305_nogate_dev,
1512 &dev->i2c_adap[dev->def_i2c_bus]);
1513 if (!dvb->fe[0]) {
1514 result = -EINVAL;
1515 goto out_free;
1516 }
1517
1518
1519 kworld_ub435q_v3_config.fe = dvb->fe[0];
1520 request_module("tda18212");
1521 client = i2c_new_device(adapter, &board_info);
1522 if (client == NULL || client->dev.driver == NULL) {
1523 dvb_frontend_detach(dvb->fe[0]);
1524 result = -ENODEV;
1525 goto out_free;
1526 }
1527
1528 if (!try_module_get(client->dev.driver->owner)) {
1529 i2c_unregister_device(client);
1530 dvb_frontend_detach(dvb->fe[0]);
1531 result = -ENODEV;
1532 goto out_free;
1533 }
1534
1535 dvb->i2c_client_tuner = client;
1536 break;
1537 }
1538 case EM2874_BOARD_PCTV_HD_MINI_80E:
1539 dvb->fe[0] = dvb_attach(drx39xxj_attach, &dev->i2c_adap[dev->def_i2c_bus]);
1540 if (dvb->fe[0] != NULL) {
1541 dvb->fe[0] = dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1542 &dev->i2c_adap[dev->def_i2c_bus],
1543 &pinnacle_80e_dvb_config);
1544 if (!dvb->fe[0]) {
1545 result = -EINVAL;
1546 goto out_free;
1547 }
1548 }
1549 break;
1550 case EM28178_BOARD_PCTV_461E: {
1551 struct i2c_client *client;
1552 struct i2c_adapter *i2c_adapter;
1553 struct i2c_board_info board_info;
1554 struct m88ds3103_platform_data m88ds3103_pdata = {};
1555 struct ts2020_config ts2020_config = {};
1556 struct a8293_platform_data a8293_pdata = {};
1557
1558
1559 m88ds3103_pdata.clk = 27000000;
1560 m88ds3103_pdata.i2c_wr_max = 33;
1561 m88ds3103_pdata.ts_mode = M88DS3103_TS_PARALLEL;
1562 m88ds3103_pdata.ts_clk = 16000;
1563 m88ds3103_pdata.ts_clk_pol = 1;
1564 m88ds3103_pdata.agc = 0x99;
1565 memset(&board_info, 0, sizeof(board_info));
1566 strlcpy(board_info.type, "m88ds3103", I2C_NAME_SIZE);
1567 board_info.addr = 0x68;
1568 board_info.platform_data = &m88ds3103_pdata;
1569 request_module("m88ds3103");
1570 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info);
1571 if (client == NULL || client->dev.driver == NULL) {
1572 result = -ENODEV;
1573 goto out_free;
1574 }
1575 if (!try_module_get(client->dev.driver->owner)) {
1576 i2c_unregister_device(client);
1577 result = -ENODEV;
1578 goto out_free;
1579 }
1580 dvb->fe[0] = m88ds3103_pdata.get_dvb_frontend(client);
1581 i2c_adapter = m88ds3103_pdata.get_i2c_adapter(client);
1582 dvb->i2c_client_demod = client;
1583
1584
1585 ts2020_config.fe = dvb->fe[0];
1586 memset(&board_info, 0, sizeof(board_info));
1587 strlcpy(board_info.type, "ts2022", I2C_NAME_SIZE);
1588 board_info.addr = 0x60;
1589 board_info.platform_data = &ts2020_config;
1590 request_module("ts2020");
1591 client = i2c_new_device(i2c_adapter, &board_info);
1592 if (client == NULL || client->dev.driver == NULL) {
1593 module_put(dvb->i2c_client_demod->dev.driver->owner);
1594 i2c_unregister_device(dvb->i2c_client_demod);
1595 result = -ENODEV;
1596 goto out_free;
1597 }
1598 if (!try_module_get(client->dev.driver->owner)) {
1599 i2c_unregister_device(client);
1600 module_put(dvb->i2c_client_demod->dev.driver->owner);
1601 i2c_unregister_device(dvb->i2c_client_demod);
1602 result = -ENODEV;
1603 goto out_free;
1604 }
1605 dvb->i2c_client_tuner = client;
1606
1607 dvb->fe[0]->ops.read_signal_strength =
1608 dvb->fe[0]->ops.tuner_ops.get_rf_strength;
1609
1610
1611 a8293_pdata.dvb_frontend = dvb->fe[0];
1612 memset(&board_info, 0, sizeof(board_info));
1613 strlcpy(board_info.type, "a8293", I2C_NAME_SIZE);
1614 board_info.addr = 0x08;
1615 board_info.platform_data = &a8293_pdata;
1616 request_module("a8293");
1617 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info);
1618 if (client == NULL || client->dev.driver == NULL) {
1619 module_put(dvb->i2c_client_tuner->dev.driver->owner);
1620 i2c_unregister_device(dvb->i2c_client_tuner);
1621 module_put(dvb->i2c_client_demod->dev.driver->owner);
1622 i2c_unregister_device(dvb->i2c_client_demod);
1623 result = -ENODEV;
1624 goto out_free;
1625 }
1626 if (!try_module_get(client->dev.driver->owner)) {
1627 i2c_unregister_device(client);
1628 module_put(dvb->i2c_client_tuner->dev.driver->owner);
1629 i2c_unregister_device(dvb->i2c_client_tuner);
1630 module_put(dvb->i2c_client_demod->dev.driver->owner);
1631 i2c_unregister_device(dvb->i2c_client_demod);
1632 result = -ENODEV;
1633 goto out_free;
1634 }
1635 dvb->i2c_client_sec = client;
1636 break;
1637 }
1638 case EM28178_BOARD_PCTV_292E:
1639 {
1640 struct i2c_adapter *adapter;
1641 struct i2c_client *client;
1642 struct i2c_board_info info;
1643 struct si2168_config si2168_config;
1644 struct si2157_config si2157_config;
1645
1646
1647 memset(&si2168_config, 0, sizeof(si2168_config));
1648 si2168_config.i2c_adapter = &adapter;
1649 si2168_config.fe = &dvb->fe[0];
1650 si2168_config.ts_mode = SI2168_TS_PARALLEL;
1651 memset(&info, 0, sizeof(struct i2c_board_info));
1652 strlcpy(info.type, "si2168", I2C_NAME_SIZE);
1653 info.addr = 0x64;
1654 info.platform_data = &si2168_config;
1655 request_module(info.type);
1656 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info);
1657 if (client == NULL || client->dev.driver == NULL) {
1658 result = -ENODEV;
1659 goto out_free;
1660 }
1661
1662 if (!try_module_get(client->dev.driver->owner)) {
1663 i2c_unregister_device(client);
1664 result = -ENODEV;
1665 goto out_free;
1666 }
1667
1668 dvb->i2c_client_demod = client;
1669
1670
1671 memset(&si2157_config, 0, sizeof(si2157_config));
1672 si2157_config.fe = dvb->fe[0];
1673 si2157_config.if_port = 1;
1674#ifdef CONFIG_MEDIA_CONTROLLER_DVB
1675 si2157_config.mdev = dev->media_dev;
1676#endif
1677 memset(&info, 0, sizeof(struct i2c_board_info));
1678 strlcpy(info.type, "si2157", I2C_NAME_SIZE);
1679 info.addr = 0x60;
1680 info.platform_data = &si2157_config;
1681 request_module(info.type);
1682 client = i2c_new_device(adapter, &info);
1683 if (client == NULL || client->dev.driver == NULL) {
1684 module_put(dvb->i2c_client_demod->dev.driver->owner);
1685 i2c_unregister_device(dvb->i2c_client_demod);
1686 result = -ENODEV;
1687 goto out_free;
1688 }
1689
1690 if (!try_module_get(client->dev.driver->owner)) {
1691 i2c_unregister_device(client);
1692 module_put(dvb->i2c_client_demod->dev.driver->owner);
1693 i2c_unregister_device(dvb->i2c_client_demod);
1694 result = -ENODEV;
1695 goto out_free;
1696 }
1697
1698 dvb->i2c_client_tuner = client;
1699 dvb->fe[0]->ops.set_lna = em28xx_pctv_292e_set_lna;
1700 }
1701 break;
1702 case EM28178_BOARD_TERRATEC_T2_STICK_HD:
1703 {
1704 struct i2c_adapter *adapter;
1705 struct i2c_client *client;
1706 struct i2c_board_info info;
1707 struct si2168_config si2168_config;
1708 struct si2157_config si2157_config;
1709
1710
1711 memset(&si2168_config, 0, sizeof(si2168_config));
1712 si2168_config.i2c_adapter = &adapter;
1713 si2168_config.fe = &dvb->fe[0];
1714 si2168_config.ts_mode = SI2168_TS_PARALLEL;
1715 memset(&info, 0, sizeof(struct i2c_board_info));
1716 strlcpy(info.type, "si2168", I2C_NAME_SIZE);
1717 info.addr = 0x64;
1718 info.platform_data = &si2168_config;
1719 request_module(info.type);
1720 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info);
1721 if (client == NULL || client->dev.driver == NULL) {
1722 result = -ENODEV;
1723 goto out_free;
1724 }
1725
1726 if (!try_module_get(client->dev.driver->owner)) {
1727 i2c_unregister_device(client);
1728 result = -ENODEV;
1729 goto out_free;
1730 }
1731
1732 dvb->i2c_client_demod = client;
1733
1734
1735 memset(&si2157_config, 0, sizeof(si2157_config));
1736 si2157_config.fe = dvb->fe[0];
1737 si2157_config.if_port = 0;
1738#ifdef CONFIG_MEDIA_CONTROLLER_DVB
1739 si2157_config.mdev = dev->media_dev;
1740#endif
1741 memset(&info, 0, sizeof(struct i2c_board_info));
1742 strlcpy(info.type, "si2146", I2C_NAME_SIZE);
1743 info.addr = 0x60;
1744 info.platform_data = &si2157_config;
1745 request_module("si2157");
1746 client = i2c_new_device(adapter, &info);
1747 if (client == NULL || client->dev.driver == NULL) {
1748 module_put(dvb->i2c_client_demod->dev.driver->owner);
1749 i2c_unregister_device(dvb->i2c_client_demod);
1750 result = -ENODEV;
1751 goto out_free;
1752 }
1753
1754 if (!try_module_get(client->dev.driver->owner)) {
1755 i2c_unregister_device(client);
1756 module_put(dvb->i2c_client_demod->dev.driver->owner);
1757 i2c_unregister_device(dvb->i2c_client_demod);
1758 result = -ENODEV;
1759 goto out_free;
1760 }
1761
1762 dvb->i2c_client_tuner = client;
1763 }
1764 break;
1765 default:
1766 em28xx_errdev("/2: The frontend of your DVB/ATSC card"
1767 " isn't supported yet\n");
1768 break;
1769 }
1770 if (NULL == dvb->fe[0]) {
1771 em28xx_errdev("/2: frontend initialization failed\n");
1772 result = -EINVAL;
1773 goto out_free;
1774 }
1775
1776 dvb->fe[0]->callback = em28xx_tuner_callback;
1777 if (dvb->fe[1])
1778 dvb->fe[1]->callback = em28xx_tuner_callback;
1779
1780
1781 result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
1782
1783 if (result < 0)
1784 goto out_free;
1785
1786 em28xx_info("DVB extension successfully initialized\n");
1787
1788 kref_get(&dev->ref);
1789
1790ret:
1791 em28xx_set_mode(dev, EM28XX_SUSPEND);
1792 mutex_unlock(&dev->lock);
1793 return result;
1794
1795out_free:
1796 kfree(dvb);
1797 dev->dvb = NULL;
1798 goto ret;
1799}
1800
1801static inline void prevent_sleep(struct dvb_frontend_ops *ops)
1802{
1803 ops->set_voltage = NULL;
1804 ops->sleep = NULL;
1805 ops->tuner_ops.sleep = NULL;
1806}
1807
1808static int em28xx_dvb_fini(struct em28xx *dev)
1809{
1810 struct em28xx_dvb *dvb;
1811 struct i2c_client *client;
1812
1813 if (dev->is_audio_only) {
1814
1815 return 0;
1816 }
1817
1818 if (!dev->board.has_dvb) {
1819
1820 return 0;
1821 }
1822
1823 if (!dev->dvb)
1824 return 0;
1825
1826 em28xx_info("Closing DVB extension\n");
1827
1828 dvb = dev->dvb;
1829
1830 em28xx_uninit_usb_xfer(dev, EM28XX_DIGITAL_MODE);
1831
1832 if (dev->disconnected) {
1833
1834
1835 if (dvb->fe[0]) {
1836 prevent_sleep(&dvb->fe[0]->ops);
1837 dvb->fe[0]->exit = DVB_FE_DEVICE_REMOVED;
1838 }
1839 if (dvb->fe[1]) {
1840 prevent_sleep(&dvb->fe[1]->ops);
1841 dvb->fe[1]->exit = DVB_FE_DEVICE_REMOVED;
1842 }
1843 }
1844
1845
1846 client = dvb->i2c_client_sec;
1847 if (client) {
1848 module_put(client->dev.driver->owner);
1849 i2c_unregister_device(client);
1850 }
1851
1852
1853 client = dvb->i2c_client_tuner;
1854 if (client) {
1855 module_put(client->dev.driver->owner);
1856 i2c_unregister_device(client);
1857 }
1858
1859
1860 client = dvb->i2c_client_demod;
1861 if (client) {
1862 module_put(client->dev.driver->owner);
1863 i2c_unregister_device(client);
1864 }
1865
1866 em28xx_unregister_dvb(dvb);
1867 kfree(dvb);
1868 dev->dvb = NULL;
1869 kref_put(&dev->ref, em28xx_free_device);
1870
1871 return 0;
1872}
1873
1874static int em28xx_dvb_suspend(struct em28xx *dev)
1875{
1876 int ret = 0;
1877
1878 if (dev->is_audio_only)
1879 return 0;
1880
1881 if (!dev->board.has_dvb)
1882 return 0;
1883
1884 em28xx_info("Suspending DVB extension\n");
1885 if (dev->dvb) {
1886 struct em28xx_dvb *dvb = dev->dvb;
1887
1888 if (dvb->fe[0]) {
1889 ret = dvb_frontend_suspend(dvb->fe[0]);
1890 em28xx_info("fe0 suspend %d\n", ret);
1891 }
1892 if (dvb->fe[1]) {
1893 dvb_frontend_suspend(dvb->fe[1]);
1894 em28xx_info("fe1 suspend %d\n", ret);
1895 }
1896 }
1897
1898 return 0;
1899}
1900
1901static int em28xx_dvb_resume(struct em28xx *dev)
1902{
1903 int ret = 0;
1904
1905 if (dev->is_audio_only)
1906 return 0;
1907
1908 if (!dev->board.has_dvb)
1909 return 0;
1910
1911 em28xx_info("Resuming DVB extension\n");
1912 if (dev->dvb) {
1913 struct em28xx_dvb *dvb = dev->dvb;
1914
1915 if (dvb->fe[0]) {
1916 ret = dvb_frontend_resume(dvb->fe[0]);
1917 em28xx_info("fe0 resume %d\n", ret);
1918 }
1919
1920 if (dvb->fe[1]) {
1921 ret = dvb_frontend_resume(dvb->fe[1]);
1922 em28xx_info("fe1 resume %d\n", ret);
1923 }
1924 }
1925
1926 return 0;
1927}
1928
1929static struct em28xx_ops dvb_ops = {
1930 .id = EM28XX_DVB,
1931 .name = "Em28xx dvb Extension",
1932 .init = em28xx_dvb_init,
1933 .fini = em28xx_dvb_fini,
1934 .suspend = em28xx_dvb_suspend,
1935 .resume = em28xx_dvb_resume,
1936};
1937
1938static int __init em28xx_dvb_register(void)
1939{
1940 return em28xx_register_extension(&dvb_ops);
1941}
1942
1943static void __exit em28xx_dvb_unregister(void)
1944{
1945 em28xx_unregister_extension(&dvb_ops);
1946}
1947
1948module_init(em28xx_dvb_register);
1949module_exit(em28xx_dvb_unregister);
1950
