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[media] em28xx: Prepare to support 2 different I2C buses
[deliverable/linux.git] / drivers / media / usb / em28xx / em28xx-dvb.c
1 /*
2 DVB device driver for em28xx
3
4 (c) 2008-2011 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 (c) 2012 Frank Schäfer <fschaefer.oss@googlemail.com>
14
15 Based on cx88-dvb, saa7134-dvb and videobuf-dvb originally written by:
16 (c) 2004, 2005 Chris Pascoe <c.pascoe@itee.uq.edu.au>
17 (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
18
19 This program is free software; you can redistribute it and/or modify
20 it under the terms of the GNU General Public License as published by
21 the Free Software Foundation; either version 2 of the License.
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 "mt352.h"
42 #include "mt352_priv.h" /* FIXME */
43 #include "tda1002x.h"
44 #include "tda18271.h"
45 #include "s921.h"
46 #include "drxd.h"
47 #include "cxd2820r.h"
48 #include "tda18271c2dd.h"
49 #include "drxk.h"
50 #include "tda10071.h"
51 #include "a8293.h"
52 #include "qt1010.h"
53
54 MODULE_DESCRIPTION("driver for em28xx based DVB cards");
55 MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
56 MODULE_LICENSE("GPL");
57
58 static unsigned int debug;
59 module_param(debug, int, 0644);
60 MODULE_PARM_DESC(debug, "enable debug messages [dvb]");
61
62 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
63
64 #define dprintk(level, fmt, arg...) do { \
65 if (debug >= level) \
66 printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \
67 } while (0)
68
69 struct em28xx_dvb {
70 struct dvb_frontend *fe[2];
71
72 /* feed count management */
73 struct mutex lock;
74 int nfeeds;
75
76 /* general boilerplate stuff */
77 struct dvb_adapter adapter;
78 struct dvb_demux demux;
79 struct dmxdev dmxdev;
80 struct dmx_frontend fe_hw;
81 struct dmx_frontend fe_mem;
82 struct dvb_net net;
83
84 /* Due to DRX-K - probably need changes */
85 int (*gate_ctrl)(struct dvb_frontend *, int);
86 struct semaphore pll_mutex;
87 bool dont_attach_fe1;
88 int lna_gpio;
89 };
90
91
92 static inline void print_err_status(struct em28xx *dev,
93 int packet, int status)
94 {
95 char *errmsg = "Unknown";
96
97 switch (status) {
98 case -ENOENT:
99 errmsg = "unlinked synchronuously";
100 break;
101 case -ECONNRESET:
102 errmsg = "unlinked asynchronuously";
103 break;
104 case -ENOSR:
105 errmsg = "Buffer error (overrun)";
106 break;
107 case -EPIPE:
108 errmsg = "Stalled (device not responding)";
109 break;
110 case -EOVERFLOW:
111 errmsg = "Babble (bad cable?)";
112 break;
113 case -EPROTO:
114 errmsg = "Bit-stuff error (bad cable?)";
115 break;
116 case -EILSEQ:
117 errmsg = "CRC/Timeout (could be anything)";
118 break;
119 case -ETIME:
120 errmsg = "Device does not respond";
121 break;
122 }
123 if (packet < 0) {
124 dprintk(1, "URB status %d [%s].\n", status, errmsg);
125 } else {
126 dprintk(1, "URB packet %d, status %d [%s].\n",
127 packet, status, errmsg);
128 }
129 }
130
131 static inline int em28xx_dvb_urb_data_copy(struct em28xx *dev, struct urb *urb)
132 {
133 int xfer_bulk, num_packets, i;
134
135 if (!dev)
136 return 0;
137
138 if (dev->disconnected)
139 return 0;
140
141 if (urb->status < 0)
142 print_err_status(dev, -1, urb->status);
143
144 xfer_bulk = usb_pipebulk(urb->pipe);
145
146 if (xfer_bulk) /* bulk */
147 num_packets = 1;
148 else /* isoc */
149 num_packets = urb->number_of_packets;
150
151 for (i = 0; i < num_packets; i++) {
152 if (xfer_bulk) {
153 if (urb->status < 0) {
154 print_err_status(dev, i, urb->status);
155 if (urb->status != -EPROTO)
156 continue;
157 }
158 dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer,
159 urb->actual_length);
160 } else {
161 if (urb->iso_frame_desc[i].status < 0) {
162 print_err_status(dev, i,
163 urb->iso_frame_desc[i].status);
164 if (urb->iso_frame_desc[i].status != -EPROTO)
165 continue;
166 }
167 dvb_dmx_swfilter(&dev->dvb->demux,
168 urb->transfer_buffer +
169 urb->iso_frame_desc[i].offset,
170 urb->iso_frame_desc[i].actual_length);
171 }
172 }
173
174 return 0;
175 }
176
177 static int em28xx_start_streaming(struct em28xx_dvb *dvb)
178 {
179 int rc;
180 struct em28xx *dev = dvb->adapter.priv;
181 int dvb_max_packet_size, packet_multiplier, dvb_alt;
182
183 if (dev->dvb_xfer_bulk) {
184 if (!dev->dvb_ep_bulk)
185 return -ENODEV;
186 dvb_max_packet_size = 512; /* USB 2.0 spec */
187 packet_multiplier = EM28XX_DVB_BULK_PACKET_MULTIPLIER;
188 dvb_alt = 0;
189 } else { /* isoc */
190 if (!dev->dvb_ep_isoc)
191 return -ENODEV;
192 dvb_max_packet_size = dev->dvb_max_pkt_size_isoc;
193 if (dvb_max_packet_size < 0)
194 return dvb_max_packet_size;
195 packet_multiplier = EM28XX_DVB_NUM_ISOC_PACKETS;
196 dvb_alt = dev->dvb_alt_isoc;
197 }
198
199 usb_set_interface(dev->udev, 0, dvb_alt);
200 rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
201 if (rc < 0)
202 return rc;
203
204 dprintk(1, "Using %d buffers each with %d x %d bytes\n",
205 EM28XX_DVB_NUM_BUFS,
206 packet_multiplier,
207 dvb_max_packet_size);
208
209 return em28xx_init_usb_xfer(dev, EM28XX_DIGITAL_MODE,
210 dev->dvb_xfer_bulk,
211 EM28XX_DVB_NUM_BUFS,
212 dvb_max_packet_size,
213 packet_multiplier,
214 em28xx_dvb_urb_data_copy);
215 }
216
217 static int em28xx_stop_streaming(struct em28xx_dvb *dvb)
218 {
219 struct em28xx *dev = dvb->adapter.priv;
220
221 em28xx_stop_urbs(dev);
222
223 return 0;
224 }
225
226 static int em28xx_start_feed(struct dvb_demux_feed *feed)
227 {
228 struct dvb_demux *demux = feed->demux;
229 struct em28xx_dvb *dvb = demux->priv;
230 int rc, ret;
231
232 if (!demux->dmx.frontend)
233 return -EINVAL;
234
235 mutex_lock(&dvb->lock);
236 dvb->nfeeds++;
237 rc = dvb->nfeeds;
238
239 if (dvb->nfeeds == 1) {
240 ret = em28xx_start_streaming(dvb);
241 if (ret < 0)
242 rc = ret;
243 }
244
245 mutex_unlock(&dvb->lock);
246 return rc;
247 }
248
249 static int em28xx_stop_feed(struct dvb_demux_feed *feed)
250 {
251 struct dvb_demux *demux = feed->demux;
252 struct em28xx_dvb *dvb = demux->priv;
253 int err = 0;
254
255 mutex_lock(&dvb->lock);
256 dvb->nfeeds--;
257
258 if (0 == dvb->nfeeds)
259 err = em28xx_stop_streaming(dvb);
260
261 mutex_unlock(&dvb->lock);
262 return err;
263 }
264
265
266
267 /* ------------------------------------------------------------------ */
268 static int em28xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
269 {
270 struct em28xx *dev = fe->dvb->priv;
271
272 if (acquire)
273 return em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
274 else
275 return em28xx_set_mode(dev, EM28XX_SUSPEND);
276 }
277
278 /* ------------------------------------------------------------------ */
279
280 static struct lgdt330x_config em2880_lgdt3303_dev = {
281 .demod_address = 0x0e,
282 .demod_chip = LGDT3303,
283 };
284
285 static struct lgdt3305_config em2870_lgdt3304_dev = {
286 .i2c_addr = 0x0e,
287 .demod_chip = LGDT3304,
288 .spectral_inversion = 1,
289 .deny_i2c_rptr = 1,
290 .mpeg_mode = LGDT3305_MPEG_PARALLEL,
291 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
292 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
293 .vsb_if_khz = 3250,
294 .qam_if_khz = 4000,
295 };
296
297 static struct s921_config sharp_isdbt = {
298 .demod_address = 0x30 >> 1
299 };
300
301 static struct zl10353_config em28xx_zl10353_with_xc3028 = {
302 .demod_address = (0x1e >> 1),
303 .no_tuner = 1,
304 .parallel_ts = 1,
305 .if2 = 45600,
306 };
307
308 static struct s5h1409_config em28xx_s5h1409_with_xc3028 = {
309 .demod_address = 0x32 >> 1,
310 .output_mode = S5H1409_PARALLEL_OUTPUT,
311 .gpio = S5H1409_GPIO_OFF,
312 .inversion = S5H1409_INVERSION_OFF,
313 .status_mode = S5H1409_DEMODLOCKING,
314 .mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK
315 };
316
317 static struct tda18271_std_map kworld_a340_std_map = {
318 .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 0,
319 .if_lvl = 1, .rfagc_top = 0x37, },
320 .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 1,
321 .if_lvl = 1, .rfagc_top = 0x37, },
322 };
323
324 static struct tda18271_config kworld_a340_config = {
325 .std_map = &kworld_a340_std_map,
326 };
327
328 static struct zl10353_config em28xx_zl10353_xc3028_no_i2c_gate = {
329 .demod_address = (0x1e >> 1),
330 .no_tuner = 1,
331 .disable_i2c_gate_ctrl = 1,
332 .parallel_ts = 1,
333 .if2 = 45600,
334 };
335
336 static struct drxd_config em28xx_drxd = {
337 .demod_address = 0x70,
338 .demod_revision = 0xa2,
339 .pll_type = DRXD_PLL_NONE,
340 .clock = 12000,
341 .insert_rs_byte = 1,
342 .IF = 42800000,
343 .disable_i2c_gate_ctrl = 1,
344 };
345
346 static struct drxk_config terratec_h5_drxk = {
347 .adr = 0x29,
348 .single_master = 1,
349 .no_i2c_bridge = 1,
350 .microcode_name = "dvb-usb-terratec-h5-drxk.fw",
351 .qam_demod_parameter_count = 2,
352 .load_firmware_sync = true,
353 };
354
355 static struct drxk_config hauppauge_930c_drxk = {
356 .adr = 0x29,
357 .single_master = 1,
358 .no_i2c_bridge = 1,
359 .microcode_name = "dvb-usb-hauppauge-hvr930c-drxk.fw",
360 .chunk_size = 56,
361 .qam_demod_parameter_count = 2,
362 .load_firmware_sync = true,
363 };
364
365 static struct drxk_config terratec_htc_stick_drxk = {
366 .adr = 0x29,
367 .single_master = 1,
368 .no_i2c_bridge = 1,
369 .microcode_name = "dvb-usb-terratec-htc-stick-drxk.fw",
370 .chunk_size = 54,
371 .qam_demod_parameter_count = 2,
372 /* Required for the antenna_gpio to disable LNA. */
373 .antenna_dvbt = true,
374 /* The windows driver uses the same. This will disable LNA. */
375 .antenna_gpio = 0x6,
376 .load_firmware_sync = true,
377 };
378
379 static struct drxk_config maxmedia_ub425_tc_drxk = {
380 .adr = 0x29,
381 .single_master = 1,
382 .no_i2c_bridge = 1,
383 .load_firmware_sync = true,
384 };
385
386 static struct drxk_config pctv_520e_drxk = {
387 .adr = 0x29,
388 .single_master = 1,
389 .microcode_name = "dvb-demod-drxk-pctv.fw",
390 .qam_demod_parameter_count = 2,
391 .chunk_size = 58,
392 .antenna_dvbt = true, /* disable LNA */
393 .antenna_gpio = (1 << 2), /* disable LNA */
394 .load_firmware_sync = true,
395 };
396
397 static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
398 {
399 struct em28xx_dvb *dvb = fe->sec_priv;
400 int status;
401
402 if (!dvb)
403 return -EINVAL;
404
405 if (enable) {
406 down(&dvb->pll_mutex);
407 status = dvb->gate_ctrl(fe, 1);
408 } else {
409 status = dvb->gate_ctrl(fe, 0);
410 up(&dvb->pll_mutex);
411 }
412 return status;
413 }
414
415 static void hauppauge_hvr930c_init(struct em28xx *dev)
416 {
417 int i;
418
419 struct em28xx_reg_seq hauppauge_hvr930c_init[] = {
420 {EM2874_R80_GPIO, 0xff, 0xff, 0x65},
421 {EM2874_R80_GPIO, 0xfb, 0xff, 0x32},
422 {EM2874_R80_GPIO, 0xff, 0xff, 0xb8},
423 { -1, -1, -1, -1},
424 };
425 struct em28xx_reg_seq hauppauge_hvr930c_end[] = {
426 {EM2874_R80_GPIO, 0xef, 0xff, 0x01},
427 {EM2874_R80_GPIO, 0xaf, 0xff, 0x65},
428 {EM2874_R80_GPIO, 0xef, 0xff, 0x76},
429 {EM2874_R80_GPIO, 0xef, 0xff, 0x01},
430 {EM2874_R80_GPIO, 0xcf, 0xff, 0x0b},
431 {EM2874_R80_GPIO, 0xef, 0xff, 0x40},
432
433 {EM2874_R80_GPIO, 0xcf, 0xff, 0x65},
434 {EM2874_R80_GPIO, 0xef, 0xff, 0x65},
435 {EM2874_R80_GPIO, 0xcf, 0xff, 0x0b},
436 {EM2874_R80_GPIO, 0xef, 0xff, 0x65},
437
438 { -1, -1, -1, -1},
439 };
440
441 struct {
442 unsigned char r[4];
443 int len;
444 } regs[] = {
445 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
446 {{ 0x01, 0x02 }, 2},
447 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
448 {{ 0x01, 0x00 }, 2},
449 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
450 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
451 {{ 0x01, 0x00 }, 2},
452 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
453 {{ 0x04, 0x00 }, 2},
454 {{ 0x00, 0x04 }, 2},
455 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
456 {{ 0x04, 0x14 }, 2},
457 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
458 };
459
460 em28xx_gpio_set(dev, hauppauge_hvr930c_init);
461 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
462 msleep(10);
463 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
464 msleep(10);
465
466 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
467
468 for (i = 0; i < ARRAY_SIZE(regs); i++)
469 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
470 em28xx_gpio_set(dev, hauppauge_hvr930c_end);
471
472 msleep(100);
473
474 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
475 msleep(30);
476
477 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
478 msleep(10);
479
480 }
481
482 static void terratec_h5_init(struct em28xx *dev)
483 {
484 int i;
485 struct em28xx_reg_seq terratec_h5_init[] = {
486 {EM28XX_R08_GPIO, 0xff, 0xff, 10},
487 {EM2874_R80_GPIO, 0xf6, 0xff, 100},
488 {EM2874_R80_GPIO, 0xf2, 0xff, 50},
489 {EM2874_R80_GPIO, 0xf6, 0xff, 100},
490 { -1, -1, -1, -1},
491 };
492 struct em28xx_reg_seq terratec_h5_end[] = {
493 {EM2874_R80_GPIO, 0xe6, 0xff, 100},
494 {EM2874_R80_GPIO, 0xa6, 0xff, 50},
495 {EM2874_R80_GPIO, 0xe6, 0xff, 100},
496 { -1, -1, -1, -1},
497 };
498 struct {
499 unsigned char r[4];
500 int len;
501 } regs[] = {
502 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
503 {{ 0x01, 0x02 }, 2},
504 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
505 {{ 0x01, 0x00 }, 2},
506 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
507 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
508 {{ 0x01, 0x00 }, 2},
509 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
510 {{ 0x04, 0x00 }, 2},
511 {{ 0x00, 0x04 }, 2},
512 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
513 {{ 0x04, 0x14 }, 2},
514 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
515 };
516
517 em28xx_gpio_set(dev, terratec_h5_init);
518 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
519 msleep(10);
520 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
521 msleep(10);
522
523 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
524
525 for (i = 0; i < ARRAY_SIZE(regs); i++)
526 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
527 em28xx_gpio_set(dev, terratec_h5_end);
528 };
529
530 static void terratec_htc_stick_init(struct em28xx *dev)
531 {
532 int i;
533
534 /*
535 * GPIO configuration:
536 * 0xff: unknown (does not affect DVB-T).
537 * 0xf6: DRX-K (demodulator).
538 * 0xe6: unknown (does not affect DVB-T).
539 * 0xb6: unknown (does not affect DVB-T).
540 */
541 struct em28xx_reg_seq terratec_htc_stick_init[] = {
542 {EM28XX_R08_GPIO, 0xff, 0xff, 10},
543 {EM2874_R80_GPIO, 0xf6, 0xff, 100},
544 {EM2874_R80_GPIO, 0xe6, 0xff, 50},
545 {EM2874_R80_GPIO, 0xf6, 0xff, 100},
546 { -1, -1, -1, -1},
547 };
548 struct em28xx_reg_seq terratec_htc_stick_end[] = {
549 {EM2874_R80_GPIO, 0xb6, 0xff, 100},
550 {EM2874_R80_GPIO, 0xf6, 0xff, 50},
551 { -1, -1, -1, -1},
552 };
553
554 /*
555 * Init the analog decoder (not yet supported), but
556 * it's probably still a good idea.
557 */
558 struct {
559 unsigned char r[4];
560 int len;
561 } regs[] = {
562 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
563 {{ 0x01, 0x02 }, 2},
564 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
565 {{ 0x01, 0x00 }, 2},
566 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
567 };
568
569 em28xx_gpio_set(dev, terratec_htc_stick_init);
570
571 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
572 msleep(10);
573 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
574 msleep(10);
575
576 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
577
578 for (i = 0; i < ARRAY_SIZE(regs); i++)
579 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
580
581 em28xx_gpio_set(dev, terratec_htc_stick_end);
582 };
583
584 static void terratec_htc_usb_xs_init(struct em28xx *dev)
585 {
586 int i;
587
588 struct em28xx_reg_seq terratec_htc_usb_xs_init[] = {
589 {EM28XX_R08_GPIO, 0xff, 0xff, 10},
590 {EM2874_R80_GPIO, 0xb2, 0xff, 100},
591 {EM2874_R80_GPIO, 0xb2, 0xff, 50},
592 {EM2874_R80_GPIO, 0xb6, 0xff, 100},
593 { -1, -1, -1, -1},
594 };
595 struct em28xx_reg_seq terratec_htc_usb_xs_end[] = {
596 {EM2874_R80_GPIO, 0xa6, 0xff, 100},
597 {EM2874_R80_GPIO, 0xa6, 0xff, 50},
598 {EM2874_R80_GPIO, 0xe6, 0xff, 100},
599 { -1, -1, -1, -1},
600 };
601
602 /*
603 * Init the analog decoder (not yet supported), but
604 * it's probably still a good idea.
605 */
606 struct {
607 unsigned char r[4];
608 int len;
609 } regs[] = {
610 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
611 {{ 0x01, 0x02 }, 2},
612 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
613 {{ 0x01, 0x00 }, 2},
614 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
615 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
616 {{ 0x01, 0x00 }, 2},
617 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
618 {{ 0x04, 0x00 }, 2},
619 {{ 0x00, 0x04 }, 2},
620 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
621 {{ 0x04, 0x14 }, 2},
622 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
623 };
624
625 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
626
627 em28xx_gpio_set(dev, terratec_htc_usb_xs_init);
628
629 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
630 msleep(10);
631 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
632 msleep(10);
633
634 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
635
636 for (i = 0; i < ARRAY_SIZE(regs); i++)
637 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
638
639 em28xx_gpio_set(dev, terratec_htc_usb_xs_end);
640 };
641
642 static void pctv_520e_init(struct em28xx *dev)
643 {
644 /*
645 * Init AVF4910B analog decoder. Looks like I2C traffic to
646 * digital demodulator and tuner are routed via AVF4910B.
647 */
648 int i;
649 struct {
650 unsigned char r[4];
651 int len;
652 } regs[] = {
653 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
654 {{ 0x01, 0x02 }, 2},
655 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
656 {{ 0x01, 0x00 }, 2},
657 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
658 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
659 {{ 0x01, 0x00 }, 2},
660 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
661 };
662
663 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; /* 0x41 */
664
665 for (i = 0; i < ARRAY_SIZE(regs); i++)
666 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
667 };
668
669 static int em28xx_pctv_290e_set_lna(struct dvb_frontend *fe)
670 {
671 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
672 struct em28xx *dev = fe->dvb->priv;
673 #ifdef CONFIG_GPIOLIB
674 struct em28xx_dvb *dvb = dev->dvb;
675 int ret;
676 unsigned long flags;
677
678 if (c->lna == 1)
679 flags = GPIOF_OUT_INIT_HIGH; /* enable LNA */
680 else
681 flags = GPIOF_OUT_INIT_LOW; /* disable LNA */
682
683 ret = gpio_request_one(dvb->lna_gpio, flags, NULL);
684 if (ret)
685 em28xx_errdev("gpio request failed %d\n", ret);
686 else
687 gpio_free(dvb->lna_gpio);
688
689 return ret;
690 #else
691 dev_warn(&dev->udev->dev, "%s: LNA control is disabled (lna=%u)\n",
692 KBUILD_MODNAME, c->lna);
693 return 0;
694 #endif
695 }
696
697 static int em28xx_mt352_terratec_xs_init(struct dvb_frontend *fe)
698 {
699 /* Values extracted from a USB trace of the Terratec Windows driver */
700 static u8 clock_config[] = { CLOCK_CTL, 0x38, 0x2c };
701 static u8 reset[] = { RESET, 0x80 };
702 static u8 adc_ctl_1_cfg[] = { ADC_CTL_1, 0x40 };
703 static u8 agc_cfg[] = { AGC_TARGET, 0x28, 0xa0 };
704 static u8 input_freq_cfg[] = { INPUT_FREQ_1, 0x31, 0xb8 };
705 static u8 rs_err_cfg[] = { RS_ERR_PER_1, 0x00, 0x4d };
706 static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
707 static u8 trl_nom_cfg[] = { TRL_NOMINAL_RATE_1, 0x64, 0x00 };
708 static u8 tps_given_cfg[] = { TPS_GIVEN_1, 0x40, 0x80, 0x50 };
709 static u8 tuner_go[] = { TUNER_GO, 0x01};
710
711 mt352_write(fe, clock_config, sizeof(clock_config));
712 udelay(200);
713 mt352_write(fe, reset, sizeof(reset));
714 mt352_write(fe, adc_ctl_1_cfg, sizeof(adc_ctl_1_cfg));
715 mt352_write(fe, agc_cfg, sizeof(agc_cfg));
716 mt352_write(fe, input_freq_cfg, sizeof(input_freq_cfg));
717 mt352_write(fe, rs_err_cfg, sizeof(rs_err_cfg));
718 mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
719 mt352_write(fe, trl_nom_cfg, sizeof(trl_nom_cfg));
720 mt352_write(fe, tps_given_cfg, sizeof(tps_given_cfg));
721 mt352_write(fe, tuner_go, sizeof(tuner_go));
722 return 0;
723 }
724
725 static struct mt352_config terratec_xs_mt352_cfg = {
726 .demod_address = (0x1e >> 1),
727 .no_tuner = 1,
728 .if2 = 45600,
729 .demod_init = em28xx_mt352_terratec_xs_init,
730 };
731
732 static struct tda10023_config em28xx_tda10023_config = {
733 .demod_address = 0x0c,
734 .invert = 1,
735 };
736
737 static struct cxd2820r_config em28xx_cxd2820r_config = {
738 .i2c_address = (0xd8 >> 1),
739 .ts_mode = CXD2820R_TS_SERIAL,
740 };
741
742 static struct tda18271_config em28xx_cxd2820r_tda18271_config = {
743 .output_opt = TDA18271_OUTPUT_LT_OFF,
744 .gate = TDA18271_GATE_DIGITAL,
745 };
746
747 static const struct tda10071_config em28xx_tda10071_config = {
748 .demod_i2c_addr = 0x55, /* (0xaa >> 1) */
749 .tuner_i2c_addr = 0x14,
750 .i2c_wr_max = 64,
751 .ts_mode = TDA10071_TS_SERIAL,
752 .spec_inv = 0,
753 .xtal = 40444000, /* 40.444 MHz */
754 .pll_multiplier = 20,
755 };
756
757 static const struct a8293_config em28xx_a8293_config = {
758 .i2c_addr = 0x08, /* (0x10 >> 1) */
759 };
760
761 static struct zl10353_config em28xx_zl10353_no_i2c_gate_dev = {
762 .demod_address = (0x1e >> 1),
763 .disable_i2c_gate_ctrl = 1,
764 .no_tuner = 1,
765 .parallel_ts = 1,
766 };
767 static struct qt1010_config em28xx_qt1010_config = {
768 .i2c_address = 0x62
769
770 };
771
772 /* ------------------------------------------------------------------ */
773
774 static int em28xx_attach_xc3028(u8 addr, struct em28xx *dev)
775 {
776 struct dvb_frontend *fe;
777 struct xc2028_config cfg;
778
779 memset(&cfg, 0, sizeof(cfg));
780 cfg.i2c_adap = &dev->i2c_adap[dev->def_i2c_bus];
781 cfg.i2c_addr = addr;
782
783 if (!dev->dvb->fe[0]) {
784 em28xx_errdev("/2: dvb frontend not attached. "
785 "Can't attach xc3028\n");
786 return -EINVAL;
787 }
788
789 fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg);
790 if (!fe) {
791 em28xx_errdev("/2: xc3028 attach failed\n");
792 dvb_frontend_detach(dev->dvb->fe[0]);
793 dev->dvb->fe[0] = NULL;
794 return -EINVAL;
795 }
796
797 em28xx_info("%s/2: xc3028 attached\n", dev->name);
798
799 return 0;
800 }
801
802 /* ------------------------------------------------------------------ */
803
804 static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
805 struct em28xx *dev, struct device *device)
806 {
807 int result;
808
809 mutex_init(&dvb->lock);
810
811 /* register adapter */
812 result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,
813 adapter_nr);
814 if (result < 0) {
815 printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n",
816 dev->name, result);
817 goto fail_adapter;
818 }
819
820 /* Ensure all frontends negotiate bus access */
821 dvb->fe[0]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
822 if (dvb->fe[1])
823 dvb->fe[1]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
824
825 dvb->adapter.priv = dev;
826
827 /* register frontend */
828 result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]);
829 if (result < 0) {
830 printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n",
831 dev->name, result);
832 goto fail_frontend0;
833 }
834
835 /* register 2nd frontend */
836 if (dvb->fe[1]) {
837 result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]);
838 if (result < 0) {
839 printk(KERN_WARNING "%s: 2nd dvb_register_frontend failed (errno = %d)\n",
840 dev->name, result);
841 goto fail_frontend1;
842 }
843 }
844
845 /* register demux stuff */
846 dvb->demux.dmx.capabilities =
847 DMX_TS_FILTERING | DMX_SECTION_FILTERING |
848 DMX_MEMORY_BASED_FILTERING;
849 dvb->demux.priv = dvb;
850 dvb->demux.filternum = 256;
851 dvb->demux.feednum = 256;
852 dvb->demux.start_feed = em28xx_start_feed;
853 dvb->demux.stop_feed = em28xx_stop_feed;
854
855 result = dvb_dmx_init(&dvb->demux);
856 if (result < 0) {
857 printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n",
858 dev->name, result);
859 goto fail_dmx;
860 }
861
862 dvb->dmxdev.filternum = 256;
863 dvb->dmxdev.demux = &dvb->demux.dmx;
864 dvb->dmxdev.capabilities = 0;
865 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
866 if (result < 0) {
867 printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n",
868 dev->name, result);
869 goto fail_dmxdev;
870 }
871
872 dvb->fe_hw.source = DMX_FRONTEND_0;
873 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
874 if (result < 0) {
875 printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
876 dev->name, result);
877 goto fail_fe_hw;
878 }
879
880 dvb->fe_mem.source = DMX_MEMORY_FE;
881 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
882 if (result < 0) {
883 printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
884 dev->name, result);
885 goto fail_fe_mem;
886 }
887
888 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
889 if (result < 0) {
890 printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n",
891 dev->name, result);
892 goto fail_fe_conn;
893 }
894
895 /* register network adapter */
896 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
897 return 0;
898
899 fail_fe_conn:
900 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
901 fail_fe_mem:
902 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
903 fail_fe_hw:
904 dvb_dmxdev_release(&dvb->dmxdev);
905 fail_dmxdev:
906 dvb_dmx_release(&dvb->demux);
907 fail_dmx:
908 if (dvb->fe[1])
909 dvb_unregister_frontend(dvb->fe[1]);
910 dvb_unregister_frontend(dvb->fe[0]);
911 fail_frontend1:
912 if (dvb->fe[1])
913 dvb_frontend_detach(dvb->fe[1]);
914 fail_frontend0:
915 dvb_frontend_detach(dvb->fe[0]);
916 dvb_unregister_adapter(&dvb->adapter);
917 fail_adapter:
918 return result;
919 }
920
921 static void em28xx_unregister_dvb(struct em28xx_dvb *dvb)
922 {
923 dvb_net_release(&dvb->net);
924 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
925 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
926 dvb_dmxdev_release(&dvb->dmxdev);
927 dvb_dmx_release(&dvb->demux);
928 if (dvb->fe[1])
929 dvb_unregister_frontend(dvb->fe[1]);
930 dvb_unregister_frontend(dvb->fe[0]);
931 if (dvb->fe[1] && !dvb->dont_attach_fe1)
932 dvb_frontend_detach(dvb->fe[1]);
933 dvb_frontend_detach(dvb->fe[0]);
934 dvb_unregister_adapter(&dvb->adapter);
935 }
936
937 static int em28xx_dvb_init(struct em28xx *dev)
938 {
939 int result = 0, mfe_shared = 0;
940 struct em28xx_dvb *dvb;
941
942 if (!dev->board.has_dvb) {
943 /* This device does not support the extension */
944 printk(KERN_INFO "em28xx_dvb: This device does not support the extension\n");
945 return 0;
946 }
947
948 dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL);
949
950 if (dvb == NULL) {
951 em28xx_info("em28xx_dvb: memory allocation failed\n");
952 return -ENOMEM;
953 }
954 dev->dvb = dvb;
955 dvb->fe[0] = dvb->fe[1] = NULL;
956
957 mutex_lock(&dev->lock);
958 em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
959 /* init frontend */
960 switch (dev->model) {
961 case EM2874_BOARD_LEADERSHIP_ISDBT:
962 dvb->fe[0] = dvb_attach(s921_attach,
963 &sharp_isdbt, &dev->i2c_adap[dev->def_i2c_bus]);
964
965 if (!dvb->fe[0]) {
966 result = -EINVAL;
967 goto out_free;
968 }
969
970 break;
971 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850:
972 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950:
973 case EM2880_BOARD_PINNACLE_PCTV_HD_PRO:
974 case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600:
975 dvb->fe[0] = dvb_attach(lgdt330x_attach,
976 &em2880_lgdt3303_dev,
977 &dev->i2c_adap[dev->def_i2c_bus]);
978 if (em28xx_attach_xc3028(0x61, dev) < 0) {
979 result = -EINVAL;
980 goto out_free;
981 }
982 break;
983 case EM2880_BOARD_KWORLD_DVB_310U:
984 dvb->fe[0] = dvb_attach(zl10353_attach,
985 &em28xx_zl10353_with_xc3028,
986 &dev->i2c_adap[dev->def_i2c_bus]);
987 if (em28xx_attach_xc3028(0x61, dev) < 0) {
988 result = -EINVAL;
989 goto out_free;
990 }
991 break;
992 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
993 case EM2882_BOARD_TERRATEC_HYBRID_XS:
994 case EM2880_BOARD_EMPIRE_DUAL_TV:
995 dvb->fe[0] = dvb_attach(zl10353_attach,
996 &em28xx_zl10353_xc3028_no_i2c_gate,
997 &dev->i2c_adap[dev->def_i2c_bus]);
998 if (em28xx_attach_xc3028(0x61, dev) < 0) {
999 result = -EINVAL;
1000 goto out_free;
1001 }
1002 break;
1003 case EM2880_BOARD_TERRATEC_HYBRID_XS:
1004 case EM2880_BOARD_TERRATEC_HYBRID_XS_FR:
1005 case EM2881_BOARD_PINNACLE_HYBRID_PRO:
1006 case EM2882_BOARD_DIKOM_DK300:
1007 case EM2882_BOARD_KWORLD_VS_DVBT:
1008 dvb->fe[0] = dvb_attach(zl10353_attach,
1009 &em28xx_zl10353_xc3028_no_i2c_gate,
1010 &dev->i2c_adap[dev->def_i2c_bus]);
1011 if (dvb->fe[0] == NULL) {
1012 /* This board could have either a zl10353 or a mt352.
1013 If the chip id isn't for zl10353, try mt352 */
1014 dvb->fe[0] = dvb_attach(mt352_attach,
1015 &terratec_xs_mt352_cfg,
1016 &dev->i2c_adap[dev->def_i2c_bus]);
1017 }
1018
1019 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1020 result = -EINVAL;
1021 goto out_free;
1022 }
1023 break;
1024 case EM2870_BOARD_KWORLD_355U:
1025 dvb->fe[0] = dvb_attach(zl10353_attach,
1026 &em28xx_zl10353_no_i2c_gate_dev,
1027 &dev->i2c_adap[dev->def_i2c_bus]);
1028 if (dvb->fe[0] != NULL)
1029 dvb_attach(qt1010_attach, dvb->fe[0],
1030 &dev->i2c_adap[dev->def_i2c_bus], &em28xx_qt1010_config);
1031 break;
1032 case EM2883_BOARD_KWORLD_HYBRID_330U:
1033 case EM2882_BOARD_EVGA_INDTUBE:
1034 dvb->fe[0] = dvb_attach(s5h1409_attach,
1035 &em28xx_s5h1409_with_xc3028,
1036 &dev->i2c_adap[dev->def_i2c_bus]);
1037 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1038 result = -EINVAL;
1039 goto out_free;
1040 }
1041 break;
1042 case EM2882_BOARD_KWORLD_ATSC_315U:
1043 dvb->fe[0] = dvb_attach(lgdt330x_attach,
1044 &em2880_lgdt3303_dev,
1045 &dev->i2c_adap[dev->def_i2c_bus]);
1046 if (dvb->fe[0] != NULL) {
1047 if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
1048 &dev->i2c_adap[dev->def_i2c_bus], 0x61, TUNER_THOMSON_DTT761X)) {
1049 result = -EINVAL;
1050 goto out_free;
1051 }
1052 }
1053 break;
1054 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2:
1055 case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E:
1056 dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL,
1057 &dev->i2c_adap[dev->def_i2c_bus], &dev->udev->dev);
1058 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1059 result = -EINVAL;
1060 goto out_free;
1061 }
1062 break;
1063 case EM2870_BOARD_REDDO_DVB_C_USB_BOX:
1064 /* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */
1065 dvb->fe[0] = dvb_attach(tda10023_attach,
1066 &em28xx_tda10023_config,
1067 &dev->i2c_adap[dev->def_i2c_bus], 0x48);
1068 if (dvb->fe[0]) {
1069 if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
1070 &dev->i2c_adap[dev->def_i2c_bus], 0x60, TUNER_PHILIPS_CU1216L)) {
1071 result = -EINVAL;
1072 goto out_free;
1073 }
1074 }
1075 break;
1076 case EM2870_BOARD_KWORLD_A340:
1077 dvb->fe[0] = dvb_attach(lgdt3305_attach,
1078 &em2870_lgdt3304_dev,
1079 &dev->i2c_adap[dev->def_i2c_bus]);
1080 if (dvb->fe[0] != NULL)
1081 dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1082 &dev->i2c_adap[dev->def_i2c_bus], &kworld_a340_config);
1083 break;
1084 case EM28174_BOARD_PCTV_290E:
1085 /* set default GPIO0 for LNA, used if GPIOLIB is undefined */
1086 dvb->lna_gpio = CXD2820R_GPIO_E | CXD2820R_GPIO_O |
1087 CXD2820R_GPIO_L;
1088 dvb->fe[0] = dvb_attach(cxd2820r_attach,
1089 &em28xx_cxd2820r_config,
1090 &dev->i2c_adap[dev->def_i2c_bus],
1091 &dvb->lna_gpio);
1092 if (dvb->fe[0]) {
1093 /* FE 0 attach tuner */
1094 if (!dvb_attach(tda18271_attach,
1095 dvb->fe[0],
1096 0x60,
1097 &dev->i2c_adap[dev->def_i2c_bus],
1098 &em28xx_cxd2820r_tda18271_config)) {
1099
1100 dvb_frontend_detach(dvb->fe[0]);
1101 result = -EINVAL;
1102 goto out_free;
1103 }
1104
1105 #ifdef CONFIG_GPIOLIB
1106 /* enable LNA for DVB-T, DVB-T2 and DVB-C */
1107 result = gpio_request_one(dvb->lna_gpio,
1108 GPIOF_OUT_INIT_LOW, NULL);
1109 if (result)
1110 em28xx_errdev("gpio request failed %d\n",
1111 result);
1112 else
1113 gpio_free(dvb->lna_gpio);
1114
1115 result = 0; /* continue even set LNA fails */
1116 #endif
1117 dvb->fe[0]->ops.set_lna = em28xx_pctv_290e_set_lna;
1118 }
1119
1120 break;
1121 case EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C:
1122 {
1123 struct xc5000_config cfg;
1124 hauppauge_hvr930c_init(dev);
1125
1126 dvb->fe[0] = dvb_attach(drxk_attach,
1127 &hauppauge_930c_drxk, &dev->i2c_adap[dev->def_i2c_bus]);
1128 if (!dvb->fe[0]) {
1129 result = -EINVAL;
1130 goto out_free;
1131 }
1132 /* FIXME: do we need a pll semaphore? */
1133 dvb->fe[0]->sec_priv = dvb;
1134 sema_init(&dvb->pll_mutex, 1);
1135 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
1136 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
1137
1138 /* Attach xc5000 */
1139 memset(&cfg, 0, sizeof(cfg));
1140 cfg.i2c_address = 0x61;
1141 cfg.if_khz = 4000;
1142
1143 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1144 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
1145 if (!dvb_attach(xc5000_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus],
1146 &cfg)) {
1147 result = -EINVAL;
1148 goto out_free;
1149 }
1150 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1151 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
1152
1153 break;
1154 }
1155 case EM2884_BOARD_TERRATEC_H5:
1156 terratec_h5_init(dev);
1157
1158 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, &dev->i2c_adap[dev->def_i2c_bus]);
1159 if (!dvb->fe[0]) {
1160 result = -EINVAL;
1161 goto out_free;
1162 }
1163 /* FIXME: do we need a pll semaphore? */
1164 dvb->fe[0]->sec_priv = dvb;
1165 sema_init(&dvb->pll_mutex, 1);
1166 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
1167 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
1168
1169 /* Attach tda18271 to DVB-C frontend */
1170 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1171 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
1172 if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus], 0x60)) {
1173 result = -EINVAL;
1174 goto out_free;
1175 }
1176 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1177 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
1178
1179 break;
1180 case EM28174_BOARD_PCTV_460E:
1181 /* attach demod */
1182 dvb->fe[0] = dvb_attach(tda10071_attach,
1183 &em28xx_tda10071_config, &dev->i2c_adap[dev->def_i2c_bus]);
1184
1185 /* attach SEC */
1186 if (dvb->fe[0])
1187 dvb_attach(a8293_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus],
1188 &em28xx_a8293_config);
1189 break;
1190 case EM2874_BOARD_MAXMEDIA_UB425_TC:
1191 /* attach demodulator */
1192 dvb->fe[0] = dvb_attach(drxk_attach, &maxmedia_ub425_tc_drxk,
1193 &dev->i2c_adap[dev->def_i2c_bus]);
1194
1195 if (dvb->fe[0]) {
1196 /* disable I2C-gate */
1197 dvb->fe[0]->ops.i2c_gate_ctrl = NULL;
1198
1199 /* attach tuner */
1200 if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0],
1201 &dev->i2c_adap[dev->def_i2c_bus], 0x60)) {
1202 dvb_frontend_detach(dvb->fe[0]);
1203 result = -EINVAL;
1204 goto out_free;
1205 }
1206 }
1207
1208 /* TODO: we need drx-3913k firmware in order to support DVB-T */
1209 em28xx_info("MaxMedia UB425-TC: only DVB-C supported by that " \
1210 "driver version\n");
1211
1212 break;
1213 case EM2884_BOARD_PCTV_510E:
1214 case EM2884_BOARD_PCTV_520E:
1215 pctv_520e_init(dev);
1216
1217 /* attach demodulator */
1218 dvb->fe[0] = dvb_attach(drxk_attach, &pctv_520e_drxk,
1219 &dev->i2c_adap[dev->def_i2c_bus]);
1220
1221 if (dvb->fe[0]) {
1222 /* attach tuner */
1223 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1224 &dev->i2c_adap[dev->def_i2c_bus],
1225 &em28xx_cxd2820r_tda18271_config)) {
1226 dvb_frontend_detach(dvb->fe[0]);
1227 result = -EINVAL;
1228 goto out_free;
1229 }
1230 }
1231 break;
1232 case EM2884_BOARD_CINERGY_HTC_STICK:
1233 terratec_htc_stick_init(dev);
1234
1235 /* attach demodulator */
1236 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,
1237 &dev->i2c_adap[dev->def_i2c_bus]);
1238 if (!dvb->fe[0]) {
1239 result = -EINVAL;
1240 goto out_free;
1241 }
1242
1243 /* Attach the demodulator. */
1244 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1245 &dev->i2c_adap[dev->def_i2c_bus],
1246 &em28xx_cxd2820r_tda18271_config)) {
1247 result = -EINVAL;
1248 goto out_free;
1249 }
1250 break;
1251 case EM2884_BOARD_TERRATEC_HTC_USB_XS:
1252 terratec_htc_usb_xs_init(dev);
1253
1254 /* attach demodulator */
1255 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,
1256 &dev->i2c_adap[dev->def_i2c_bus]);
1257 if (!dvb->fe[0]) {
1258 result = -EINVAL;
1259 goto out_free;
1260 }
1261
1262 /* Attach the demodulator. */
1263 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1264 &dev->i2c_adap[dev->def_i2c_bus],
1265 &em28xx_cxd2820r_tda18271_config)) {
1266 result = -EINVAL;
1267 goto out_free;
1268 }
1269 break;
1270 default:
1271 em28xx_errdev("/2: The frontend of your DVB/ATSC card"
1272 " isn't supported yet\n");
1273 break;
1274 }
1275 if (NULL == dvb->fe[0]) {
1276 em28xx_errdev("/2: frontend initialization failed\n");
1277 result = -EINVAL;
1278 goto out_free;
1279 }
1280 /* define general-purpose callback pointer */
1281 dvb->fe[0]->callback = em28xx_tuner_callback;
1282 if (dvb->fe[1])
1283 dvb->fe[1]->callback = em28xx_tuner_callback;
1284
1285 /* register everything */
1286 result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
1287
1288 if (result < 0)
1289 goto out_free;
1290
1291 /* MFE lock */
1292 dvb->adapter.mfe_shared = mfe_shared;
1293
1294 em28xx_info("Successfully loaded em28xx-dvb\n");
1295 ret:
1296 em28xx_set_mode(dev, EM28XX_SUSPEND);
1297 mutex_unlock(&dev->lock);
1298 return result;
1299
1300 out_free:
1301 kfree(dvb);
1302 dev->dvb = NULL;
1303 goto ret;
1304 }
1305
1306 static inline void prevent_sleep(struct dvb_frontend_ops *ops)
1307 {
1308 ops->set_voltage = NULL;
1309 ops->sleep = NULL;
1310 ops->tuner_ops.sleep = NULL;
1311 }
1312
1313 static int em28xx_dvb_fini(struct em28xx *dev)
1314 {
1315 if (!dev->board.has_dvb) {
1316 /* This device does not support the extension */
1317 return 0;
1318 }
1319
1320 if (dev->dvb) {
1321 struct em28xx_dvb *dvb = dev->dvb;
1322
1323 if (dev->disconnected) {
1324 /* We cannot tell the device to sleep
1325 * once it has been unplugged. */
1326 if (dvb->fe[0])
1327 prevent_sleep(&dvb->fe[0]->ops);
1328 if (dvb->fe[1])
1329 prevent_sleep(&dvb->fe[1]->ops);
1330 }
1331
1332 em28xx_unregister_dvb(dvb);
1333 kfree(dvb);
1334 dev->dvb = NULL;
1335 }
1336
1337 return 0;
1338 }
1339
1340 static struct em28xx_ops dvb_ops = {
1341 .id = EM28XX_DVB,
1342 .name = "Em28xx dvb Extension",
1343 .init = em28xx_dvb_init,
1344 .fini = em28xx_dvb_fini,
1345 };
1346
1347 static int __init em28xx_dvb_register(void)
1348 {
1349 return em28xx_register_extension(&dvb_ops);
1350 }
1351
1352 static void __exit em28xx_dvb_unregister(void)
1353 {
1354 em28xx_unregister_extension(&dvb_ops);
1355 }
1356
1357 module_init(em28xx_dvb_register);
1358 module_exit(em28xx_dvb_unregister);
Linux kernel - Deliverables
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