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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"
38#include "tda1002x.h"
39#include "tda18271.h"
40#include "s921.h"
41#include "drxd.h"
42#include "cxd2820r.h"
43#include "tda18271c2dd.h"
44#include "drxk.h"
45#include "tda10071.h"
46#include "a8293.h"
47#include "qt1010.h"
48
49MODULE_DESCRIPTION("driver for em28xx based DVB cards");
50MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
51MODULE_LICENSE("GPL");
52
53static unsigned int debug;
54module_param(debug, int, 0644);
55MODULE_PARM_DESC(debug, "enable debug messages [dvb]");
56
57DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
58
59#define dprintk(level, fmt, arg...) do { \
60if (debug >= level) \
61 printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \
62} while (0)
63
64struct em28xx_dvb {
65 struct dvb_frontend *fe[2];
66
67
68 struct mutex lock;
69 int nfeeds;
70
71
72 struct dvb_adapter adapter;
73 struct dvb_demux demux;
74 struct dmxdev dmxdev;
75 struct dmx_frontend fe_hw;
76 struct dmx_frontend fe_mem;
77 struct dvb_net net;
78
79
80 int (*gate_ctrl)(struct dvb_frontend *, int);
81 struct semaphore pll_mutex;
82 bool dont_attach_fe1;
83};
84
85
86static inline void print_err_status(struct em28xx *dev,
87 int packet, int status)
88{
89 char *errmsg = "Unknown";
90
91 switch (status) {
92 case -ENOENT:
93 errmsg = "unlinked synchronuously";
94 break;
95 case -ECONNRESET:
96 errmsg = "unlinked asynchronuously";
97 break;
98 case -ENOSR:
99 errmsg = "Buffer error (overrun)";
100 break;
101 case -EPIPE:
102 errmsg = "Stalled (device not responding)";
103 break;
104 case -EOVERFLOW:
105 errmsg = "Babble (bad cable?)";
106 break;
107 case -EPROTO:
108 errmsg = "Bit-stuff error (bad cable?)";
109 break;
110 case -EILSEQ:
111 errmsg = "CRC/Timeout (could be anything)";
112 break;
113 case -ETIME:
114 errmsg = "Device does not respond";
115 break;
116 }
117 if (packet < 0) {
118 dprintk(1, "URB status %d [%s].\n", status, errmsg);
119 } else {
120 dprintk(1, "URB packet %d, status %d [%s].\n",
121 packet, status, errmsg);
122 }
123}
124
125static inline int em28xx_dvb_isoc_copy(struct em28xx *dev, struct urb *urb)
126{
127 int i;
128
129 if (!dev)
130 return 0;
131
132 if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED))
133 return 0;
134
135 if (urb->status < 0) {
136 print_err_status(dev, -1, urb->status);
137 if (urb->status == -ENOENT)
138 return 0;
139 }
140
141 for (i = 0; i < urb->number_of_packets; i++) {
142 int status = urb->iso_frame_desc[i].status;
143
144 if (status < 0) {
145 print_err_status(dev, i, status);
146 if (urb->iso_frame_desc[i].status != -EPROTO)
147 continue;
148 }
149
150 dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer +
151 urb->iso_frame_desc[i].offset,
152 urb->iso_frame_desc[i].actual_length);
153 }
154
155 return 0;
156}
157
158static int em28xx_start_streaming(struct em28xx_dvb *dvb)
159{
160 int rc;
161 struct em28xx *dev = dvb->adapter.priv;
162 int max_dvb_packet_size;
163
164 usb_set_interface(dev->udev, 0, dev->dvb_alt);
165 rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
166 if (rc < 0)
167 return rc;
168
169 max_dvb_packet_size = dev->dvb_max_pkt_size;
170 if (max_dvb_packet_size < 0)
171 return max_dvb_packet_size;
172 dprintk(1, "Using %d buffers each with %d x %d bytes\n",
173 EM28XX_DVB_NUM_BUFS,
174 EM28XX_DVB_MAX_PACKETS,
175 max_dvb_packet_size);
176
177 return em28xx_init_isoc(dev, EM28XX_DIGITAL_MODE,
178 EM28XX_DVB_MAX_PACKETS, EM28XX_DVB_NUM_BUFS,
179 max_dvb_packet_size, em28xx_dvb_isoc_copy);
180}
181
182static int em28xx_stop_streaming(struct em28xx_dvb *dvb)
183{
184 struct em28xx *dev = dvb->adapter.priv;
185
186 em28xx_capture_start(dev, 0);
187
188 em28xx_set_mode(dev, EM28XX_SUSPEND);
189
190 return 0;
191}
192
193static int em28xx_start_feed(struct dvb_demux_feed *feed)
194{
195 struct dvb_demux *demux = feed->demux;
196 struct em28xx_dvb *dvb = demux->priv;
197 int rc, ret;
198
199 if (!demux->dmx.frontend)
200 return -EINVAL;
201
202 mutex_lock(&dvb->lock);
203 dvb->nfeeds++;
204 rc = dvb->nfeeds;
205
206 if (dvb->nfeeds == 1) {
207 ret = em28xx_start_streaming(dvb);
208 if (ret < 0)
209 rc = ret;
210 }
211
212 mutex_unlock(&dvb->lock);
213 return rc;
214}
215
216static int em28xx_stop_feed(struct dvb_demux_feed *feed)
217{
218 struct dvb_demux *demux = feed->demux;
219 struct em28xx_dvb *dvb = demux->priv;
220 int err = 0;
221
222 mutex_lock(&dvb->lock);
223 dvb->nfeeds--;
224
225 if (0 == dvb->nfeeds)
226 err = em28xx_stop_streaming(dvb);
227
228 mutex_unlock(&dvb->lock);
229 return err;
230}
231
232
233
234
235static int em28xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
236{
237 struct em28xx *dev = fe->dvb->priv;
238
239 if (acquire)
240 return em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
241 else
242 return em28xx_set_mode(dev, EM28XX_SUSPEND);
243}
244
245
246
247static struct lgdt330x_config em2880_lgdt3303_dev = {
248 .demod_address = 0x0e,
249 .demod_chip = LGDT3303,
250};
251
252static struct lgdt3305_config em2870_lgdt3304_dev = {
253 .i2c_addr = 0x0e,
254 .demod_chip = LGDT3304,
255 .spectral_inversion = 1,
256 .deny_i2c_rptr = 1,
257 .mpeg_mode = LGDT3305_MPEG_PARALLEL,
258 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
259 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
260 .vsb_if_khz = 3250,
261 .qam_if_khz = 4000,
262};
263
264static struct s921_config sharp_isdbt = {
265 .demod_address = 0x30 >> 1
266};
267
268static struct zl10353_config em28xx_zl10353_with_xc3028 = {
269 .demod_address = (0x1e >> 1),
270 .no_tuner = 1,
271 .parallel_ts = 1,
272 .if2 = 45600,
273};
274
275static struct s5h1409_config em28xx_s5h1409_with_xc3028 = {
276 .demod_address = 0x32 >> 1,
277 .output_mode = S5H1409_PARALLEL_OUTPUT,
278 .gpio = S5H1409_GPIO_OFF,
279 .inversion = S5H1409_INVERSION_OFF,
280 .status_mode = S5H1409_DEMODLOCKING,
281 .mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK
282};
283
284static struct tda18271_std_map kworld_a340_std_map = {
285 .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 0,
286 .if_lvl = 1, .rfagc_top = 0x37, },
287 .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 1,
288 .if_lvl = 1, .rfagc_top = 0x37, },
289};
290
291static struct tda18271_config kworld_a340_config = {
292 .std_map = &kworld_a340_std_map,
293};
294
295static struct zl10353_config em28xx_zl10353_xc3028_no_i2c_gate = {
296 .demod_address = (0x1e >> 1),
297 .no_tuner = 1,
298 .disable_i2c_gate_ctrl = 1,
299 .parallel_ts = 1,
300 .if2 = 45600,
301};
302
303static struct drxd_config em28xx_drxd = {
304 .demod_address = 0x70,
305 .demod_revision = 0xa2,
306 .pll_type = DRXD_PLL_NONE,
307 .clock = 12000,
308 .insert_rs_byte = 1,
309 .IF = 42800000,
310 .disable_i2c_gate_ctrl = 1,
311};
312
313struct drxk_config terratec_h5_drxk = {
314 .adr = 0x29,
315 .single_master = 1,
316 .no_i2c_bridge = 1,
317 .microcode_name = "dvb-usb-terratec-h5-drxk.fw",
318};
319
320struct drxk_config hauppauge_930c_drxk = {
321 .adr = 0x29,
322 .single_master = 1,
323 .no_i2c_bridge = 1,
324 .microcode_name = "dvb-usb-hauppauge-hvr930c-drxk.fw",
325 .chunk_size = 56,
326};
327
328struct drxk_config maxmedia_ub425_tc_drxk = {
329 .adr = 0x29,
330 .single_master = 1,
331 .no_i2c_bridge = 1,
332};
333
334struct drxk_config pctv_520e_drxk = {
335 .adr = 0x29,
336 .single_master = 1,
337 .microcode_name = "dvb-demod-drxk-pctv.fw",
338 .chunk_size = 58,
339};
340
341static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
342{
343 struct em28xx_dvb *dvb = fe->sec_priv;
344 int status;
345
346 if (!dvb)
347 return -EINVAL;
348
349 if (enable) {
350 down(&dvb->pll_mutex);
351 status = dvb->gate_ctrl(fe, 1);
352 } else {
353 status = dvb->gate_ctrl(fe, 0);
354 up(&dvb->pll_mutex);
355 }
356 return status;
357}
358
359static void hauppauge_hvr930c_init(struct em28xx *dev)
360{
361 int i;
362
363 struct em28xx_reg_seq hauppauge_hvr930c_init[] = {
364 {EM2874_R80_GPIO, 0xff, 0xff, 0x65},
365 {EM2874_R80_GPIO, 0xfb, 0xff, 0x32},
366 {EM2874_R80_GPIO, 0xff, 0xff, 0xb8},
367 { -1, -1, -1, -1},
368 };
369 struct em28xx_reg_seq hauppauge_hvr930c_end[] = {
370 {EM2874_R80_GPIO, 0xef, 0xff, 0x01},
371 {EM2874_R80_GPIO, 0xaf, 0xff, 0x65},
372 {EM2874_R80_GPIO, 0xef, 0xff, 0x76},
373 {EM2874_R80_GPIO, 0xef, 0xff, 0x01},
374 {EM2874_R80_GPIO, 0xcf, 0xff, 0x0b},
375 {EM2874_R80_GPIO, 0xef, 0xff, 0x40},
376
377 {EM2874_R80_GPIO, 0xcf, 0xff, 0x65},
378 {EM2874_R80_GPIO, 0xef, 0xff, 0x65},
379 {EM2874_R80_GPIO, 0xcf, 0xff, 0x0b},
380 {EM2874_R80_GPIO, 0xef, 0xff, 0x65},
381
382 { -1, -1, -1, -1},
383 };
384
385 struct {
386 unsigned char r[4];
387 int len;
388 } regs[] = {
389 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
390 {{ 0x01, 0x02 }, 2},
391 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
392 {{ 0x01, 0x00 }, 2},
393 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
394 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
395 {{ 0x01, 0x00 }, 2},
396 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
397 {{ 0x04, 0x00 }, 2},
398 {{ 0x00, 0x04 }, 2},
399 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
400 {{ 0x04, 0x14 }, 2},
401 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
402 };
403
404 em28xx_gpio_set(dev, hauppauge_hvr930c_init);
405 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
406 msleep(10);
407 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
408 msleep(10);
409
410 dev->i2c_client.addr = 0x82 >> 1;
411
412 for (i = 0; i < ARRAY_SIZE(regs); i++)
413 i2c_master_send(&dev->i2c_client, regs[i].r, regs[i].len);
414 em28xx_gpio_set(dev, hauppauge_hvr930c_end);
415
416 msleep(100);
417
418 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
419 msleep(30);
420
421 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
422 msleep(10);
423
424}
425
426static void terratec_h5_init(struct em28xx *dev)
427{
428 int i;
429 struct em28xx_reg_seq terratec_h5_init[] = {
430 {EM28XX_R08_GPIO, 0xff, 0xff, 10},
431 {EM2874_R80_GPIO, 0xf6, 0xff, 100},
432 {EM2874_R80_GPIO, 0xf2, 0xff, 50},
433 {EM2874_R80_GPIO, 0xf6, 0xff, 100},
434 { -1, -1, -1, -1},
435 };
436 struct em28xx_reg_seq terratec_h5_end[] = {
437 {EM2874_R80_GPIO, 0xe6, 0xff, 100},
438 {EM2874_R80_GPIO, 0xa6, 0xff, 50},
439 {EM2874_R80_GPIO, 0xe6, 0xff, 100},
440 { -1, -1, -1, -1},
441 };
442 struct {
443 unsigned char r[4];
444 int len;
445 } regs[] = {
446 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
447 {{ 0x01, 0x02 }, 2},
448 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
449 {{ 0x01, 0x00 }, 2},
450 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
451 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
452 {{ 0x01, 0x00 }, 2},
453 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
454 {{ 0x04, 0x00 }, 2},
455 {{ 0x00, 0x04 }, 2},
456 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
457 {{ 0x04, 0x14 }, 2},
458 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
459 };
460
461 em28xx_gpio_set(dev, terratec_h5_init);
462 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
463 msleep(10);
464 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
465 msleep(10);
466
467 dev->i2c_client.addr = 0x82 >> 1;
468
469 for (i = 0; i < ARRAY_SIZE(regs); i++)
470 i2c_master_send(&dev->i2c_client, regs[i].r, regs[i].len);
471 em28xx_gpio_set(dev, terratec_h5_end);
472};
473
474static void pctv_520e_init(struct em28xx *dev)
475{
476
477
478
479
480 int i;
481 struct {
482 unsigned char r[4];
483 int len;
484 } regs[] = {
485 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
486 {{ 0x01, 0x02 }, 2},
487 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
488 {{ 0x01, 0x00 }, 2},
489 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
490 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
491 {{ 0x01, 0x00 }, 2},
492 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
493 };
494
495 dev->i2c_client.addr = 0x82 >> 1;
496
497 for (i = 0; i < ARRAY_SIZE(regs); i++)
498 i2c_master_send(&dev->i2c_client, regs[i].r, regs[i].len);
499};
500
501static int em28xx_mt352_terratec_xs_init(struct dvb_frontend *fe)
502{
503
504 static u8 clock_config[] = { CLOCK_CTL, 0x38, 0x2c };
505 static u8 reset[] = { RESET, 0x80 };
506 static u8 adc_ctl_1_cfg[] = { ADC_CTL_1, 0x40 };
507 static u8 agc_cfg[] = { AGC_TARGET, 0x28, 0xa0 };
508 static u8 input_freq_cfg[] = { INPUT_FREQ_1, 0x31, 0xb8 };
509 static u8 rs_err_cfg[] = { RS_ERR_PER_1, 0x00, 0x4d };
510 static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
511 static u8 trl_nom_cfg[] = { TRL_NOMINAL_RATE_1, 0x64, 0x00 };
512 static u8 tps_given_cfg[] = { TPS_GIVEN_1, 0x40, 0x80, 0x50 };
513 static u8 tuner_go[] = { TUNER_GO, 0x01};
514
515 mt352_write(fe, clock_config, sizeof(clock_config));
516 udelay(200);
517 mt352_write(fe, reset, sizeof(reset));
518 mt352_write(fe, adc_ctl_1_cfg, sizeof(adc_ctl_1_cfg));
519 mt352_write(fe, agc_cfg, sizeof(agc_cfg));
520 mt352_write(fe, input_freq_cfg, sizeof(input_freq_cfg));
521 mt352_write(fe, rs_err_cfg, sizeof(rs_err_cfg));
522 mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
523 mt352_write(fe, trl_nom_cfg, sizeof(trl_nom_cfg));
524 mt352_write(fe, tps_given_cfg, sizeof(tps_given_cfg));
525 mt352_write(fe, tuner_go, sizeof(tuner_go));
526 return 0;
527}
528
529static struct mt352_config terratec_xs_mt352_cfg = {
530 .demod_address = (0x1e >> 1),
531 .no_tuner = 1,
532 .if2 = 45600,
533 .demod_init = em28xx_mt352_terratec_xs_init,
534};
535
536static struct tda10023_config em28xx_tda10023_config = {
537 .demod_address = 0x0c,
538 .invert = 1,
539};
540
541static struct cxd2820r_config em28xx_cxd2820r_config = {
542 .i2c_address = (0xd8 >> 1),
543 .ts_mode = CXD2820R_TS_SERIAL,
544
545
546 .gpio_dvbt2[0] = CXD2820R_GPIO_E | CXD2820R_GPIO_O | CXD2820R_GPIO_L,
547 .gpio_dvbc[0] = CXD2820R_GPIO_E | CXD2820R_GPIO_O | CXD2820R_GPIO_L,
548};
549
550static struct tda18271_config em28xx_cxd2820r_tda18271_config = {
551 .output_opt = TDA18271_OUTPUT_LT_OFF,
552 .gate = TDA18271_GATE_DIGITAL,
553};
554
555static const struct tda10071_config em28xx_tda10071_config = {
556 .i2c_address = 0x55,
557 .i2c_wr_max = 64,
558 .ts_mode = TDA10071_TS_SERIAL,
559 .spec_inv = 0,
560 .xtal = 40444000,
561 .pll_multiplier = 20,
562};
563
564static const struct a8293_config em28xx_a8293_config = {
565 .i2c_addr = 0x08,
566};
567
568static struct zl10353_config em28xx_zl10353_no_i2c_gate_dev = {
569 .demod_address = (0x1e >> 1),
570 .disable_i2c_gate_ctrl = 1,
571 .no_tuner = 1,
572 .parallel_ts = 1,
573};
574static struct qt1010_config em28xx_qt1010_config = {
575 .i2c_address = 0x62
576
577};
578
579
580
581static int em28xx_attach_xc3028(u8 addr, struct em28xx *dev)
582{
583 struct dvb_frontend *fe;
584 struct xc2028_config cfg;
585
586 memset(&cfg, 0, sizeof(cfg));
587 cfg.i2c_adap = &dev->i2c_adap;
588 cfg.i2c_addr = addr;
589
590 if (!dev->dvb->fe[0]) {
591 em28xx_errdev("/2: dvb frontend not attached. "
592 "Can't attach xc3028\n");
593 return -EINVAL;
594 }
595
596 fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg);
597 if (!fe) {
598 em28xx_errdev("/2: xc3028 attach failed\n");
599 dvb_frontend_detach(dev->dvb->fe[0]);
600 dev->dvb->fe[0] = NULL;
601 return -EINVAL;
602 }
603
604 em28xx_info("%s/2: xc3028 attached\n", dev->name);
605
606 return 0;
607}
608
609
610
611static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
612 struct em28xx *dev, struct device *device)
613{
614 int result;
615
616 mutex_init(&dvb->lock);
617
618
619 result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,
620 adapter_nr);
621 if (result < 0) {
622 printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n",
623 dev->name, result);
624 goto fail_adapter;
625 }
626
627
628 dvb->fe[0]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
629 if (dvb->fe[1])
630 dvb->fe[1]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
631
632 dvb->adapter.priv = dev;
633
634
635 result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]);
636 if (result < 0) {
637 printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n",
638 dev->name, result);
639 goto fail_frontend0;
640 }
641
642
643 if (dvb->fe[1]) {
644 result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]);
645 if (result < 0) {
646 printk(KERN_WARNING "%s: 2nd dvb_register_frontend failed (errno = %d)\n",
647 dev->name, result);
648 goto fail_frontend1;
649 }
650 }
651
652
653 dvb->demux.dmx.capabilities =
654 DMX_TS_FILTERING | DMX_SECTION_FILTERING |
655 DMX_MEMORY_BASED_FILTERING;
656 dvb->demux.priv = dvb;
657 dvb->demux.filternum = 256;
658 dvb->demux.feednum = 256;
659 dvb->demux.start_feed = em28xx_start_feed;
660 dvb->demux.stop_feed = em28xx_stop_feed;
661
662 result = dvb_dmx_init(&dvb->demux);
663 if (result < 0) {
664 printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n",
665 dev->name, result);
666 goto fail_dmx;
667 }
668
669 dvb->dmxdev.filternum = 256;
670 dvb->dmxdev.demux = &dvb->demux.dmx;
671 dvb->dmxdev.capabilities = 0;
672 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
673 if (result < 0) {
674 printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n",
675 dev->name, result);
676 goto fail_dmxdev;
677 }
678
679 dvb->fe_hw.source = DMX_FRONTEND_0;
680 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
681 if (result < 0) {
682 printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
683 dev->name, result);
684 goto fail_fe_hw;
685 }
686
687 dvb->fe_mem.source = DMX_MEMORY_FE;
688 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
689 if (result < 0) {
690 printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
691 dev->name, result);
692 goto fail_fe_mem;
693 }
694
695 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
696 if (result < 0) {
697 printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n",
698 dev->name, result);
699 goto fail_fe_conn;
700 }
701
702
703 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
704 return 0;
705
706fail_fe_conn:
707 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
708fail_fe_mem:
709 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
710fail_fe_hw:
711 dvb_dmxdev_release(&dvb->dmxdev);
712fail_dmxdev:
713 dvb_dmx_release(&dvb->demux);
714fail_dmx:
715 if (dvb->fe[1])
716 dvb_unregister_frontend(dvb->fe[1]);
717 dvb_unregister_frontend(dvb->fe[0]);
718fail_frontend1:
719 if (dvb->fe[1])
720 dvb_frontend_detach(dvb->fe[1]);
721fail_frontend0:
722 dvb_frontend_detach(dvb->fe[0]);
723 dvb_unregister_adapter(&dvb->adapter);
724fail_adapter:
725 return result;
726}
727
728static void em28xx_unregister_dvb(struct em28xx_dvb *dvb)
729{
730 dvb_net_release(&dvb->net);
731 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
732 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
733 dvb_dmxdev_release(&dvb->dmxdev);
734 dvb_dmx_release(&dvb->demux);
735 if (dvb->fe[1])
736 dvb_unregister_frontend(dvb->fe[1]);
737 dvb_unregister_frontend(dvb->fe[0]);
738 if (dvb->fe[1] && !dvb->dont_attach_fe1)
739 dvb_frontend_detach(dvb->fe[1]);
740 dvb_frontend_detach(dvb->fe[0]);
741 dvb_unregister_adapter(&dvb->adapter);
742}
743
744static int em28xx_dvb_init(struct em28xx *dev)
745{
746 int result = 0, mfe_shared = 0;
747 struct em28xx_dvb *dvb;
748
749 if (!dev->board.has_dvb) {
750
751 printk(KERN_INFO "em28xx_dvb: This device does not support the extension\n");
752 return 0;
753 }
754
755 dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL);
756
757 if (dvb == NULL) {
758 em28xx_info("em28xx_dvb: memory allocation failed\n");
759 return -ENOMEM;
760 }
761 dev->dvb = dvb;
762 dvb->fe[0] = dvb->fe[1] = NULL;
763
764 mutex_lock(&dev->lock);
765 em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
766
767 switch (dev->model) {
768 case EM2874_BOARD_LEADERSHIP_ISDBT:
769 dvb->fe[0] = dvb_attach(s921_attach,
770 &sharp_isdbt, &dev->i2c_adap);
771
772 if (!dvb->fe[0]) {
773 result = -EINVAL;
774 goto out_free;
775 }
776
777 break;
778 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850:
779 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950:
780 case EM2880_BOARD_PINNACLE_PCTV_HD_PRO:
781 case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600:
782 dvb->fe[0] = dvb_attach(lgdt330x_attach,
783 &em2880_lgdt3303_dev,
784 &dev->i2c_adap);
785 if (em28xx_attach_xc3028(0x61, dev) < 0) {
786 result = -EINVAL;
787 goto out_free;
788 }
789 break;
790 case EM2880_BOARD_KWORLD_DVB_310U:
791 dvb->fe[0] = dvb_attach(zl10353_attach,
792 &em28xx_zl10353_with_xc3028,
793 &dev->i2c_adap);
794 if (em28xx_attach_xc3028(0x61, dev) < 0) {
795 result = -EINVAL;
796 goto out_free;
797 }
798 break;
799 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
800 case EM2882_BOARD_TERRATEC_HYBRID_XS:
801 case EM2880_BOARD_EMPIRE_DUAL_TV:
802 dvb->fe[0] = dvb_attach(zl10353_attach,
803 &em28xx_zl10353_xc3028_no_i2c_gate,
804 &dev->i2c_adap);
805 if (em28xx_attach_xc3028(0x61, dev) < 0) {
806 result = -EINVAL;
807 goto out_free;
808 }
809 break;
810 case EM2880_BOARD_TERRATEC_HYBRID_XS:
811 case EM2880_BOARD_TERRATEC_HYBRID_XS_FR:
812 case EM2881_BOARD_PINNACLE_HYBRID_PRO:
813 case EM2882_BOARD_DIKOM_DK300:
814 case EM2882_BOARD_KWORLD_VS_DVBT:
815 dvb->fe[0] = dvb_attach(zl10353_attach,
816 &em28xx_zl10353_xc3028_no_i2c_gate,
817 &dev->i2c_adap);
818 if (dvb->fe[0] == NULL) {
819
820
821 dvb->fe[0] = dvb_attach(mt352_attach,
822 &terratec_xs_mt352_cfg,
823 &dev->i2c_adap);
824 }
825
826 if (em28xx_attach_xc3028(0x61, dev) < 0) {
827 result = -EINVAL;
828 goto out_free;
829 }
830 break;
831 case EM2870_BOARD_KWORLD_355U:
832 dvb->fe[0] = dvb_attach(zl10353_attach,
833 &em28xx_zl10353_no_i2c_gate_dev,
834 &dev->i2c_adap);
835 if (dvb->fe[0] != NULL)
836 dvb_attach(qt1010_attach, dvb->fe[0],
837 &dev->i2c_adap, &em28xx_qt1010_config);
838 break;
839 case EM2883_BOARD_KWORLD_HYBRID_330U:
840 case EM2882_BOARD_EVGA_INDTUBE:
841 dvb->fe[0] = dvb_attach(s5h1409_attach,
842 &em28xx_s5h1409_with_xc3028,
843 &dev->i2c_adap);
844 if (em28xx_attach_xc3028(0x61, dev) < 0) {
845 result = -EINVAL;
846 goto out_free;
847 }
848 break;
849 case EM2882_BOARD_KWORLD_ATSC_315U:
850 dvb->fe[0] = dvb_attach(lgdt330x_attach,
851 &em2880_lgdt3303_dev,
852 &dev->i2c_adap);
853 if (dvb->fe[0] != NULL) {
854 if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
855 &dev->i2c_adap, 0x61, TUNER_THOMSON_DTT761X)) {
856 result = -EINVAL;
857 goto out_free;
858 }
859 }
860 break;
861 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2:
862 case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E:
863 dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL,
864 &dev->i2c_adap, &dev->udev->dev);
865 if (em28xx_attach_xc3028(0x61, dev) < 0) {
866 result = -EINVAL;
867 goto out_free;
868 }
869 break;
870 case EM2870_BOARD_REDDO_DVB_C_USB_BOX:
871
872 dvb->fe[0] = dvb_attach(tda10023_attach,
873 &em28xx_tda10023_config,
874 &dev->i2c_adap, 0x48);
875 if (dvb->fe[0]) {
876 if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
877 &dev->i2c_adap, 0x60, TUNER_PHILIPS_CU1216L)) {
878 result = -EINVAL;
879 goto out_free;
880 }
881 }
882 break;
883 case EM2870_BOARD_KWORLD_A340:
884 dvb->fe[0] = dvb_attach(lgdt3305_attach,
885 &em2870_lgdt3304_dev,
886 &dev->i2c_adap);
887 if (dvb->fe[0] != NULL)
888 dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
889 &dev->i2c_adap, &kworld_a340_config);
890 break;
891 case EM28174_BOARD_PCTV_290E:
892 dvb->fe[0] = dvb_attach(cxd2820r_attach,
893 &em28xx_cxd2820r_config,
894 &dev->i2c_adap);
895 if (dvb->fe[0]) {
896
897 if (!dvb_attach(tda18271_attach,
898 dvb->fe[0],
899 0x60,
900 &dev->i2c_adap,
901 &em28xx_cxd2820r_tda18271_config)) {
902
903 dvb_frontend_detach(dvb->fe[0]);
904 result = -EINVAL;
905 goto out_free;
906 }
907 }
908 break;
909 case EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C:
910 {
911 struct xc5000_config cfg;
912 hauppauge_hvr930c_init(dev);
913
914 dvb->fe[0] = dvb_attach(drxk_attach,
915 &hauppauge_930c_drxk, &dev->i2c_adap);
916 if (!dvb->fe[0]) {
917 result = -EINVAL;
918 goto out_free;
919 }
920
921 dvb->fe[0]->sec_priv = dvb;
922 sema_init(&dvb->pll_mutex, 1);
923 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
924 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
925
926
927 memset(&cfg, 0, sizeof(cfg));
928 cfg.i2c_address = 0x61;
929 cfg.if_khz = 4000;
930
931 if (dvb->fe[0]->ops.i2c_gate_ctrl)
932 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
933 if (!dvb_attach(xc5000_attach, dvb->fe[0], &dev->i2c_adap,
934 &cfg)) {
935 result = -EINVAL;
936 goto out_free;
937 }
938 if (dvb->fe[0]->ops.i2c_gate_ctrl)
939 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
940
941 break;
942 }
943 case EM2884_BOARD_TERRATEC_H5:
944 case EM2884_BOARD_CINERGY_HTC_STICK:
945 terratec_h5_init(dev);
946
947 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, &dev->i2c_adap);
948 if (!dvb->fe[0]) {
949 result = -EINVAL;
950 goto out_free;
951 }
952
953 dvb->fe[0]->sec_priv = dvb;
954 sema_init(&dvb->pll_mutex, 1);
955 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
956 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
957
958
959 if (dvb->fe[0]->ops.i2c_gate_ctrl)
960 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
961 if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], &dev->i2c_adap, 0x60)) {
962 result = -EINVAL;
963 goto out_free;
964 }
965 if (dvb->fe[0]->ops.i2c_gate_ctrl)
966 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
967
968 break;
969 case EM28174_BOARD_PCTV_460E:
970
971 dvb->fe[0] = dvb_attach(tda10071_attach,
972 &em28xx_tda10071_config, &dev->i2c_adap);
973
974
975 if (dvb->fe[0])
976 dvb_attach(a8293_attach, dvb->fe[0], &dev->i2c_adap,
977 &em28xx_a8293_config);
978 break;
979 case EM2874_BOARD_MAXMEDIA_UB425_TC:
980
981 dvb->fe[0] = dvb_attach(drxk_attach, &maxmedia_ub425_tc_drxk,
982 &dev->i2c_adap);
983
984 if (dvb->fe[0]) {
985
986 dvb->fe[0]->ops.i2c_gate_ctrl = NULL;
987
988
989 if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0],
990 &dev->i2c_adap, 0x60)) {
991 dvb_frontend_detach(dvb->fe[0]);
992 result = -EINVAL;
993 goto out_free;
994 }
995 }
996
997
998 em28xx_info("MaxMedia UB425-TC: only DVB-C supported by that " \
999 "driver version\n");
1000
1001 break;
1002 case EM2884_BOARD_PCTV_510E:
1003 case EM2884_BOARD_PCTV_520E:
1004 pctv_520e_init(dev);
1005
1006
1007 dvb->fe[0] = dvb_attach(drxk_attach, &pctv_520e_drxk,
1008 &dev->i2c_adap);
1009
1010 if (dvb->fe[0]) {
1011
1012 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1013 &dev->i2c_adap,
1014 &em28xx_cxd2820r_tda18271_config)) {
1015 dvb_frontend_detach(dvb->fe[0]);
1016 result = -EINVAL;
1017 goto out_free;
1018 }
1019 }
1020 break;
1021 default:
1022 em28xx_errdev("/2: The frontend of your DVB/ATSC card"
1023 " isn't supported yet\n");
1024 break;
1025 }
1026 if (NULL == dvb->fe[0]) {
1027 em28xx_errdev("/2: frontend initialization failed\n");
1028 result = -EINVAL;
1029 goto out_free;
1030 }
1031
1032 dvb->fe[0]->callback = em28xx_tuner_callback;
1033 if (dvb->fe[1])
1034 dvb->fe[1]->callback = em28xx_tuner_callback;
1035
1036
1037 result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
1038
1039 if (result < 0)
1040 goto out_free;
1041
1042
1043 dvb->adapter.mfe_shared = mfe_shared;
1044
1045 em28xx_info("Successfully loaded em28xx-dvb\n");
1046ret:
1047 em28xx_set_mode(dev, EM28XX_SUSPEND);
1048 mutex_unlock(&dev->lock);
1049 return result;
1050
1051out_free:
1052 kfree(dvb);
1053 dev->dvb = NULL;
1054 goto ret;
1055}
1056
1057static inline void prevent_sleep(struct dvb_frontend_ops *ops)
1058{
1059 ops->set_voltage = NULL;
1060 ops->sleep = NULL;
1061 ops->tuner_ops.sleep = NULL;
1062}
1063
1064static int em28xx_dvb_fini(struct em28xx *dev)
1065{
1066 if (!dev->board.has_dvb) {
1067
1068 return 0;
1069 }
1070
1071 if (dev->dvb) {
1072 struct em28xx_dvb *dvb = dev->dvb;
1073
1074 if (dev->state & DEV_DISCONNECTED) {
1075
1076
1077 if (dvb->fe[0])
1078 prevent_sleep(&dvb->fe[0]->ops);
1079 if (dvb->fe[1])
1080 prevent_sleep(&dvb->fe[1]->ops);
1081 }
1082
1083 em28xx_unregister_dvb(dvb);
1084 kfree(dvb);
1085 dev->dvb = NULL;
1086 }
1087
1088 return 0;
1089}
1090
1091static struct em28xx_ops dvb_ops = {
1092 .id = EM28XX_DVB,
1093 .name = "Em28xx dvb Extension",
1094 .init = em28xx_dvb_init,
1095 .fini = em28xx_dvb_fini,
1096};
1097
1098static int __init em28xx_dvb_register(void)
1099{
1100 return em28xx_register_extension(&dvb_ops);
1101}
1102
1103static void __exit em28xx_dvb_unregister(void)
1104{
1105 em28xx_unregister_extension(&dvb_ops);
1106}
1107
1108module_init(em28xx_dvb_register);
1109module_exit(em28xx_dvb_unregister);
1110
