projects / deliverable / linux.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
[media] em28xx: fix oops at em28xx_dvb_bus_ctrl()
[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 #include "mb86a20s.h"
54
55 MODULE_DESCRIPTION("driver for em28xx based DVB cards");
56 MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
57 MODULE_LICENSE("GPL");
58
59 static unsigned int debug;
60 module_param(debug, int, 0644);
61 MODULE_PARM_DESC(debug, "enable debug messages [dvb]");
62
63 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
64
65 #define dprintk(level, fmt, arg...) do { \
66 if (debug >= level) \
67 printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \
68 } while (0)
69
70 struct em28xx_dvb {
71 struct dvb_frontend *fe[2];
72
73 /* feed count management */
74 struct mutex lock;
75 int nfeeds;
76
77 /* general boilerplate stuff */
78 struct dvb_adapter adapter;
79 struct dvb_demux demux;
80 struct dmxdev dmxdev;
81 struct dmx_frontend fe_hw;
82 struct dmx_frontend fe_mem;
83 struct dvb_net net;
84
85 /* Due to DRX-K - probably need changes */
86 int (*gate_ctrl)(struct dvb_frontend *, int);
87 struct semaphore pll_mutex;
88 bool dont_attach_fe1;
89 int lna_gpio;
90 };
91
92
93 static inline void print_err_status(struct em28xx *dev,
94 int packet, int status)
95 {
96 char *errmsg = "Unknown";
97
98 switch (status) {
99 case -ENOENT:
100 errmsg = "unlinked synchronuously";
101 break;
102 case -ECONNRESET:
103 errmsg = "unlinked asynchronuously";
104 break;
105 case -ENOSR:
106 errmsg = "Buffer error (overrun)";
107 break;
108 case -EPIPE:
109 errmsg = "Stalled (device not responding)";
110 break;
111 case -EOVERFLOW:
112 errmsg = "Babble (bad cable?)";
113 break;
114 case -EPROTO:
115 errmsg = "Bit-stuff error (bad cable?)";
116 break;
117 case -EILSEQ:
118 errmsg = "CRC/Timeout (could be anything)";
119 break;
120 case -ETIME:
121 errmsg = "Device does not respond";
122 break;
123 }
124 if (packet < 0) {
125 dprintk(1, "URB status %d [%s].\n", status, errmsg);
126 } else {
127 dprintk(1, "URB packet %d, status %d [%s].\n",
128 packet, status, errmsg);
129 }
130 }
131
132 static inline int em28xx_dvb_urb_data_copy(struct em28xx *dev, struct urb *urb)
133 {
134 int xfer_bulk, num_packets, i;
135
136 if (!dev)
137 return 0;
138
139 if (dev->disconnected)
140 return 0;
141
142 if (urb->status < 0)
143 print_err_status(dev, -1, urb->status);
144
145 xfer_bulk = usb_pipebulk(urb->pipe);
146
147 if (xfer_bulk) /* bulk */
148 num_packets = 1;
149 else /* isoc */
150 num_packets = urb->number_of_packets;
151
152 for (i = 0; i < num_packets; i++) {
153 if (xfer_bulk) {
154 if (urb->status < 0) {
155 print_err_status(dev, i, urb->status);
156 if (urb->status != -EPROTO)
157 continue;
158 }
159 dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer,
160 urb->actual_length);
161 } else {
162 if (urb->iso_frame_desc[i].status < 0) {
163 print_err_status(dev, i,
164 urb->iso_frame_desc[i].status);
165 if (urb->iso_frame_desc[i].status != -EPROTO)
166 continue;
167 }
168 dvb_dmx_swfilter(&dev->dvb->demux,
169 urb->transfer_buffer +
170 urb->iso_frame_desc[i].offset,
171 urb->iso_frame_desc[i].actual_length);
172 }
173 }
174
175 return 0;
176 }
177
178 static int em28xx_start_streaming(struct em28xx_dvb *dvb)
179 {
180 int rc;
181 struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv;
182 struct em28xx *dev = i2c_bus->dev;
183 int dvb_max_packet_size, packet_multiplier, dvb_alt;
184
185 if (dev->dvb_xfer_bulk) {
186 if (!dev->dvb_ep_bulk)
187 return -ENODEV;
188 dvb_max_packet_size = 512; /* USB 2.0 spec */
189 packet_multiplier = EM28XX_DVB_BULK_PACKET_MULTIPLIER;
190 dvb_alt = 0;
191 } else { /* isoc */
192 if (!dev->dvb_ep_isoc)
193 return -ENODEV;
194 dvb_max_packet_size = dev->dvb_max_pkt_size_isoc;
195 if (dvb_max_packet_size < 0)
196 return dvb_max_packet_size;
197 packet_multiplier = EM28XX_DVB_NUM_ISOC_PACKETS;
198 dvb_alt = dev->dvb_alt_isoc;
199 }
200
201 usb_set_interface(dev->udev, 0, dvb_alt);
202 rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
203 if (rc < 0)
204 return rc;
205
206 dprintk(1, "Using %d buffers each with %d x %d bytes\n",
207 EM28XX_DVB_NUM_BUFS,
208 packet_multiplier,
209 dvb_max_packet_size);
210
211 return em28xx_init_usb_xfer(dev, EM28XX_DIGITAL_MODE,
212 dev->dvb_xfer_bulk,
213 EM28XX_DVB_NUM_BUFS,
214 dvb_max_packet_size,
215 packet_multiplier,
216 em28xx_dvb_urb_data_copy);
217 }
218
219 static int em28xx_stop_streaming(struct em28xx_dvb *dvb)
220 {
221 struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv;
222 struct em28xx *dev = i2c_bus->dev;
223
224 em28xx_stop_urbs(dev);
225
226 return 0;
227 }
228
229 static int em28xx_start_feed(struct dvb_demux_feed *feed)
230 {
231 struct dvb_demux *demux = feed->demux;
232 struct em28xx_dvb *dvb = demux->priv;
233 int rc, ret;
234
235 if (!demux->dmx.frontend)
236 return -EINVAL;
237
238 mutex_lock(&dvb->lock);
239 dvb->nfeeds++;
240 rc = dvb->nfeeds;
241
242 if (dvb->nfeeds == 1) {
243 ret = em28xx_start_streaming(dvb);
244 if (ret < 0)
245 rc = ret;
246 }
247
248 mutex_unlock(&dvb->lock);
249 return rc;
250 }
251
252 static int em28xx_stop_feed(struct dvb_demux_feed *feed)
253 {
254 struct dvb_demux *demux = feed->demux;
255 struct em28xx_dvb *dvb = demux->priv;
256 int err = 0;
257
258 mutex_lock(&dvb->lock);
259 dvb->nfeeds--;
260
261 if (0 == dvb->nfeeds)
262 err = em28xx_stop_streaming(dvb);
263
264 mutex_unlock(&dvb->lock);
265 return err;
266 }
267
268
269
270 /* ------------------------------------------------------------------ */
271 static int em28xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
272 {
273 struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
274 struct em28xx *dev = i2c_bus->dev;
275
276 if (acquire)
277 return em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
278 else
279 return em28xx_set_mode(dev, EM28XX_SUSPEND);
280 }
281
282 /* ------------------------------------------------------------------ */
283
284 static struct lgdt330x_config em2880_lgdt3303_dev = {
285 .demod_address = 0x0e,
286 .demod_chip = LGDT3303,
287 };
288
289 static struct lgdt3305_config em2870_lgdt3304_dev = {
290 .i2c_addr = 0x0e,
291 .demod_chip = LGDT3304,
292 .spectral_inversion = 1,
293 .deny_i2c_rptr = 1,
294 .mpeg_mode = LGDT3305_MPEG_PARALLEL,
295 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
296 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
297 .vsb_if_khz = 3250,
298 .qam_if_khz = 4000,
299 };
300
301 static struct s921_config sharp_isdbt = {
302 .demod_address = 0x30 >> 1
303 };
304
305 static struct zl10353_config em28xx_zl10353_with_xc3028 = {
306 .demod_address = (0x1e >> 1),
307 .no_tuner = 1,
308 .parallel_ts = 1,
309 .if2 = 45600,
310 };
311
312 static struct s5h1409_config em28xx_s5h1409_with_xc3028 = {
313 .demod_address = 0x32 >> 1,
314 .output_mode = S5H1409_PARALLEL_OUTPUT,
315 .gpio = S5H1409_GPIO_OFF,
316 .inversion = S5H1409_INVERSION_OFF,
317 .status_mode = S5H1409_DEMODLOCKING,
318 .mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK
319 };
320
321 static struct tda18271_std_map kworld_a340_std_map = {
322 .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 0,
323 .if_lvl = 1, .rfagc_top = 0x37, },
324 .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 1,
325 .if_lvl = 1, .rfagc_top = 0x37, },
326 };
327
328 static struct tda18271_config kworld_a340_config = {
329 .std_map = &kworld_a340_std_map,
330 };
331
332 static struct zl10353_config em28xx_zl10353_xc3028_no_i2c_gate = {
333 .demod_address = (0x1e >> 1),
334 .no_tuner = 1,
335 .disable_i2c_gate_ctrl = 1,
336 .parallel_ts = 1,
337 .if2 = 45600,
338 };
339
340 static struct drxd_config em28xx_drxd = {
341 .demod_address = 0x70,
342 .demod_revision = 0xa2,
343 .pll_type = DRXD_PLL_NONE,
344 .clock = 12000,
345 .insert_rs_byte = 1,
346 .IF = 42800000,
347 .disable_i2c_gate_ctrl = 1,
348 };
349
350 static struct drxk_config terratec_h5_drxk = {
351 .adr = 0x29,
352 .single_master = 1,
353 .no_i2c_bridge = 1,
354 .microcode_name = "dvb-usb-terratec-h5-drxk.fw",
355 .qam_demod_parameter_count = 2,
356 .load_firmware_sync = true,
357 };
358
359 static struct drxk_config hauppauge_930c_drxk = {
360 .adr = 0x29,
361 .single_master = 1,
362 .no_i2c_bridge = 1,
363 .microcode_name = "dvb-usb-hauppauge-hvr930c-drxk.fw",
364 .chunk_size = 56,
365 .qam_demod_parameter_count = 2,
366 .load_firmware_sync = true,
367 };
368
369 static struct drxk_config terratec_htc_stick_drxk = {
370 .adr = 0x29,
371 .single_master = 1,
372 .no_i2c_bridge = 1,
373 .microcode_name = "dvb-usb-terratec-htc-stick-drxk.fw",
374 .chunk_size = 54,
375 .qam_demod_parameter_count = 2,
376 /* Required for the antenna_gpio to disable LNA. */
377 .antenna_dvbt = true,
378 /* The windows driver uses the same. This will disable LNA. */
379 .antenna_gpio = 0x6,
380 .load_firmware_sync = true,
381 };
382
383 static struct drxk_config maxmedia_ub425_tc_drxk = {
384 .adr = 0x29,
385 .single_master = 1,
386 .no_i2c_bridge = 1,
387 .load_firmware_sync = true,
388 };
389
390 static struct drxk_config pctv_520e_drxk = {
391 .adr = 0x29,
392 .single_master = 1,
393 .microcode_name = "dvb-demod-drxk-pctv.fw",
394 .qam_demod_parameter_count = 2,
395 .chunk_size = 58,
396 .antenna_dvbt = true, /* disable LNA */
397 .antenna_gpio = (1 << 2), /* disable LNA */
398 .load_firmware_sync = true,
399 };
400
401 static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
402 {
403 struct em28xx_dvb *dvb = fe->sec_priv;
404 int status;
405
406 if (!dvb)
407 return -EINVAL;
408
409 if (enable) {
410 down(&dvb->pll_mutex);
411 status = dvb->gate_ctrl(fe, 1);
412 } else {
413 status = dvb->gate_ctrl(fe, 0);
414 up(&dvb->pll_mutex);
415 }
416 return status;
417 }
418
419 static void hauppauge_hvr930c_init(struct em28xx *dev)
420 {
421 int i;
422
423 struct em28xx_reg_seq hauppauge_hvr930c_init[] = {
424 {EM2874_R80_GPIO, 0xff, 0xff, 0x65},
425 {EM2874_R80_GPIO, 0xfb, 0xff, 0x32},
426 {EM2874_R80_GPIO, 0xff, 0xff, 0xb8},
427 { -1, -1, -1, -1},
428 };
429 struct em28xx_reg_seq hauppauge_hvr930c_end[] = {
430 {EM2874_R80_GPIO, 0xef, 0xff, 0x01},
431 {EM2874_R80_GPIO, 0xaf, 0xff, 0x65},
432 {EM2874_R80_GPIO, 0xef, 0xff, 0x76},
433 {EM2874_R80_GPIO, 0xef, 0xff, 0x01},
434 {EM2874_R80_GPIO, 0xcf, 0xff, 0x0b},
435 {EM2874_R80_GPIO, 0xef, 0xff, 0x40},
436
437 {EM2874_R80_GPIO, 0xcf, 0xff, 0x65},
438 {EM2874_R80_GPIO, 0xef, 0xff, 0x65},
439 {EM2874_R80_GPIO, 0xcf, 0xff, 0x0b},
440 {EM2874_R80_GPIO, 0xef, 0xff, 0x65},
441
442 { -1, -1, -1, -1},
443 };
444
445 struct {
446 unsigned char r[4];
447 int len;
448 } regs[] = {
449 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
450 {{ 0x01, 0x02 }, 2},
451 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
452 {{ 0x01, 0x00 }, 2},
453 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
454 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
455 {{ 0x01, 0x00 }, 2},
456 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
457 {{ 0x04, 0x00 }, 2},
458 {{ 0x00, 0x04 }, 2},
459 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
460 {{ 0x04, 0x14 }, 2},
461 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
462 };
463
464 em28xx_gpio_set(dev, hauppauge_hvr930c_init);
465 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
466 msleep(10);
467 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
468 msleep(10);
469
470 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
471
472 for (i = 0; i < ARRAY_SIZE(regs); i++)
473 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
474 em28xx_gpio_set(dev, hauppauge_hvr930c_end);
475
476 msleep(100);
477
478 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
479 msleep(30);
480
481 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
482 msleep(10);
483
484 }
485
486 static void terratec_h5_init(struct em28xx *dev)
487 {
488 int i;
489 struct em28xx_reg_seq terratec_h5_init[] = {
490 {EM28XX_R08_GPIO, 0xff, 0xff, 10},
491 {EM2874_R80_GPIO, 0xf6, 0xff, 100},
492 {EM2874_R80_GPIO, 0xf2, 0xff, 50},
493 {EM2874_R80_GPIO, 0xf6, 0xff, 100},
494 { -1, -1, -1, -1},
495 };
496 struct em28xx_reg_seq terratec_h5_end[] = {
497 {EM2874_R80_GPIO, 0xe6, 0xff, 100},
498 {EM2874_R80_GPIO, 0xa6, 0xff, 50},
499 {EM2874_R80_GPIO, 0xe6, 0xff, 100},
500 { -1, -1, -1, -1},
501 };
502 struct {
503 unsigned char r[4];
504 int len;
505 } regs[] = {
506 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
507 {{ 0x01, 0x02 }, 2},
508 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
509 {{ 0x01, 0x00 }, 2},
510 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
511 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
512 {{ 0x01, 0x00 }, 2},
513 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
514 {{ 0x04, 0x00 }, 2},
515 {{ 0x00, 0x04 }, 2},
516 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
517 {{ 0x04, 0x14 }, 2},
518 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
519 };
520
521 em28xx_gpio_set(dev, terratec_h5_init);
522 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
523 msleep(10);
524 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
525 msleep(10);
526
527 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
528
529 for (i = 0; i < ARRAY_SIZE(regs); i++)
530 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
531 em28xx_gpio_set(dev, terratec_h5_end);
532 };
533
534 static void terratec_htc_stick_init(struct em28xx *dev)
535 {
536 int i;
537
538 /*
539 * GPIO configuration:
540 * 0xff: unknown (does not affect DVB-T).
541 * 0xf6: DRX-K (demodulator).
542 * 0xe6: unknown (does not affect DVB-T).
543 * 0xb6: unknown (does not affect DVB-T).
544 */
545 struct em28xx_reg_seq terratec_htc_stick_init[] = {
546 {EM28XX_R08_GPIO, 0xff, 0xff, 10},
547 {EM2874_R80_GPIO, 0xf6, 0xff, 100},
548 {EM2874_R80_GPIO, 0xe6, 0xff, 50},
549 {EM2874_R80_GPIO, 0xf6, 0xff, 100},
550 { -1, -1, -1, -1},
551 };
552 struct em28xx_reg_seq terratec_htc_stick_end[] = {
553 {EM2874_R80_GPIO, 0xb6, 0xff, 100},
554 {EM2874_R80_GPIO, 0xf6, 0xff, 50},
555 { -1, -1, -1, -1},
556 };
557
558 /*
559 * Init the analog decoder (not yet supported), but
560 * it's probably still a good idea.
561 */
562 struct {
563 unsigned char r[4];
564 int len;
565 } regs[] = {
566 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
567 {{ 0x01, 0x02 }, 2},
568 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
569 {{ 0x01, 0x00 }, 2},
570 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
571 };
572
573 em28xx_gpio_set(dev, terratec_htc_stick_init);
574
575 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
576 msleep(10);
577 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
578 msleep(10);
579
580 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
581
582 for (i = 0; i < ARRAY_SIZE(regs); i++)
583 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
584
585 em28xx_gpio_set(dev, terratec_htc_stick_end);
586 };
587
588 static void terratec_htc_usb_xs_init(struct em28xx *dev)
589 {
590 int i;
591
592 struct em28xx_reg_seq terratec_htc_usb_xs_init[] = {
593 {EM28XX_R08_GPIO, 0xff, 0xff, 10},
594 {EM2874_R80_GPIO, 0xb2, 0xff, 100},
595 {EM2874_R80_GPIO, 0xb2, 0xff, 50},
596 {EM2874_R80_GPIO, 0xb6, 0xff, 100},
597 { -1, -1, -1, -1},
598 };
599 struct em28xx_reg_seq terratec_htc_usb_xs_end[] = {
600 {EM2874_R80_GPIO, 0xa6, 0xff, 100},
601 {EM2874_R80_GPIO, 0xa6, 0xff, 50},
602 {EM2874_R80_GPIO, 0xe6, 0xff, 100},
603 { -1, -1, -1, -1},
604 };
605
606 /*
607 * Init the analog decoder (not yet supported), but
608 * it's probably still a good idea.
609 */
610 struct {
611 unsigned char r[4];
612 int len;
613 } regs[] = {
614 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
615 {{ 0x01, 0x02 }, 2},
616 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
617 {{ 0x01, 0x00 }, 2},
618 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
619 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
620 {{ 0x01, 0x00 }, 2},
621 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
622 {{ 0x04, 0x00 }, 2},
623 {{ 0x00, 0x04 }, 2},
624 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
625 {{ 0x04, 0x14 }, 2},
626 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
627 };
628
629 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
630
631 em28xx_gpio_set(dev, terratec_htc_usb_xs_init);
632
633 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
634 msleep(10);
635 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
636 msleep(10);
637
638 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
639
640 for (i = 0; i < ARRAY_SIZE(regs); i++)
641 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
642
643 em28xx_gpio_set(dev, terratec_htc_usb_xs_end);
644 };
645
646 static void pctv_520e_init(struct em28xx *dev)
647 {
648 /*
649 * Init AVF4910B analog decoder. Looks like I2C traffic to
650 * digital demodulator and tuner are routed via AVF4910B.
651 */
652 int i;
653 struct {
654 unsigned char r[4];
655 int len;
656 } regs[] = {
657 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
658 {{ 0x01, 0x02 }, 2},
659 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
660 {{ 0x01, 0x00 }, 2},
661 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
662 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
663 {{ 0x01, 0x00 }, 2},
664 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
665 };
666
667 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; /* 0x41 */
668
669 for (i = 0; i < ARRAY_SIZE(regs); i++)
670 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
671 };
672
673 static int em28xx_pctv_290e_set_lna(struct dvb_frontend *fe)
674 {
675 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
676 struct em28xx *dev = fe->dvb->priv;
677 #ifdef CONFIG_GPIOLIB
678 struct em28xx_dvb *dvb = dev->dvb;
679 int ret;
680 unsigned long flags;
681
682 if (c->lna == 1)
683 flags = GPIOF_OUT_INIT_HIGH; /* enable LNA */
684 else
685 flags = GPIOF_OUT_INIT_LOW; /* disable LNA */
686
687 ret = gpio_request_one(dvb->lna_gpio, flags, NULL);
688 if (ret)
689 em28xx_errdev("gpio request failed %d\n", ret);
690 else
691 gpio_free(dvb->lna_gpio);
692
693 return ret;
694 #else
695 dev_warn(&dev->udev->dev, "%s: LNA control is disabled (lna=%u)\n",
696 KBUILD_MODNAME, c->lna);
697 return 0;
698 #endif
699 }
700
701 static int em28xx_mt352_terratec_xs_init(struct dvb_frontend *fe)
702 {
703 /* Values extracted from a USB trace of the Terratec Windows driver */
704 static u8 clock_config[] = { CLOCK_CTL, 0x38, 0x2c };
705 static u8 reset[] = { RESET, 0x80 };
706 static u8 adc_ctl_1_cfg[] = { ADC_CTL_1, 0x40 };
707 static u8 agc_cfg[] = { AGC_TARGET, 0x28, 0xa0 };
708 static u8 input_freq_cfg[] = { INPUT_FREQ_1, 0x31, 0xb8 };
709 static u8 rs_err_cfg[] = { RS_ERR_PER_1, 0x00, 0x4d };
710 static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
711 static u8 trl_nom_cfg[] = { TRL_NOMINAL_RATE_1, 0x64, 0x00 };
712 static u8 tps_given_cfg[] = { TPS_GIVEN_1, 0x40, 0x80, 0x50 };
713 static u8 tuner_go[] = { TUNER_GO, 0x01};
714
715 mt352_write(fe, clock_config, sizeof(clock_config));
716 udelay(200);
717 mt352_write(fe, reset, sizeof(reset));
718 mt352_write(fe, adc_ctl_1_cfg, sizeof(adc_ctl_1_cfg));
719 mt352_write(fe, agc_cfg, sizeof(agc_cfg));
720 mt352_write(fe, input_freq_cfg, sizeof(input_freq_cfg));
721 mt352_write(fe, rs_err_cfg, sizeof(rs_err_cfg));
722 mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
723 mt352_write(fe, trl_nom_cfg, sizeof(trl_nom_cfg));
724 mt352_write(fe, tps_given_cfg, sizeof(tps_given_cfg));
725 mt352_write(fe, tuner_go, sizeof(tuner_go));
726 return 0;
727 }
728
729 static struct mt352_config terratec_xs_mt352_cfg = {
730 .demod_address = (0x1e >> 1),
731 .no_tuner = 1,
732 .if2 = 45600,
733 .demod_init = em28xx_mt352_terratec_xs_init,
734 };
735
736 static struct tda10023_config em28xx_tda10023_config = {
737 .demod_address = 0x0c,
738 .invert = 1,
739 };
740
741 static struct cxd2820r_config em28xx_cxd2820r_config = {
742 .i2c_address = (0xd8 >> 1),
743 .ts_mode = CXD2820R_TS_SERIAL,
744 };
745
746 static struct tda18271_config em28xx_cxd2820r_tda18271_config = {
747 .output_opt = TDA18271_OUTPUT_LT_OFF,
748 .gate = TDA18271_GATE_DIGITAL,
749 };
750
751 static const struct tda10071_config em28xx_tda10071_config = {
752 .demod_i2c_addr = 0x55, /* (0xaa >> 1) */
753 .tuner_i2c_addr = 0x14,
754 .i2c_wr_max = 64,
755 .ts_mode = TDA10071_TS_SERIAL,
756 .spec_inv = 0,
757 .xtal = 40444000, /* 40.444 MHz */
758 .pll_multiplier = 20,
759 };
760
761 static const struct a8293_config em28xx_a8293_config = {
762 .i2c_addr = 0x08, /* (0x10 >> 1) */
763 };
764
765 static struct zl10353_config em28xx_zl10353_no_i2c_gate_dev = {
766 .demod_address = (0x1e >> 1),
767 .disable_i2c_gate_ctrl = 1,
768 .no_tuner = 1,
769 .parallel_ts = 1,
770 };
771 static struct qt1010_config em28xx_qt1010_config = {
772 .i2c_address = 0x62
773 };
774
775 static const struct mb86a20s_config c3tech_duo_mb86a20s_config = {
776 .demod_address = 0x10,
777 .is_serial = true,
778 };
779
780 static struct tda18271_std_map mb86a20s_tda18271_config = {
781 .dvbt_6 = { .if_freq = 4000, .agc_mode = 3, .std = 4,
782 .if_lvl = 1, .rfagc_top = 0x37, },
783 };
784
785 static struct tda18271_config c3tech_duo_tda18271_config = {
786 .std_map = &mb86a20s_tda18271_config,
787 .gate = TDA18271_GATE_DIGITAL,
788 .small_i2c = TDA18271_03_BYTE_CHUNK_INIT,
789 };
790
791
792 /* ------------------------------------------------------------------ */
793
794 static int em28xx_attach_xc3028(u8 addr, struct em28xx *dev)
795 {
796 struct dvb_frontend *fe;
797 struct xc2028_config cfg;
798
799 memset(&cfg, 0, sizeof(cfg));
800 cfg.i2c_adap = &dev->i2c_adap[dev->def_i2c_bus];
801 cfg.i2c_addr = addr;
802
803 if (!dev->dvb->fe[0]) {
804 em28xx_errdev("/2: dvb frontend not attached. "
805 "Can't attach xc3028\n");
806 return -EINVAL;
807 }
808
809 fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg);
810 if (!fe) {
811 em28xx_errdev("/2: xc3028 attach failed\n");
812 dvb_frontend_detach(dev->dvb->fe[0]);
813 dev->dvb->fe[0] = NULL;
814 return -EINVAL;
815 }
816
817 em28xx_info("%s/2: xc3028 attached\n", dev->name);
818
819 return 0;
820 }
821
822 /* ------------------------------------------------------------------ */
823
824 static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
825 struct em28xx *dev, struct device *device)
826 {
827 int result;
828
829 mutex_init(&dvb->lock);
830
831 /* register adapter */
832 result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,
833 adapter_nr);
834 if (result < 0) {
835 printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n",
836 dev->name, result);
837 goto fail_adapter;
838 }
839
840 /* Ensure all frontends negotiate bus access */
841 dvb->fe[0]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
842 if (dvb->fe[1])
843 dvb->fe[1]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
844
845 dvb->adapter.priv = &dev->i2c_bus[dev->def_i2c_bus];
846
847 /* register frontend */
848 result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]);
849 if (result < 0) {
850 printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n",
851 dev->name, result);
852 goto fail_frontend0;
853 }
854
855 /* register 2nd frontend */
856 if (dvb->fe[1]) {
857 result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]);
858 if (result < 0) {
859 printk(KERN_WARNING "%s: 2nd dvb_register_frontend failed (errno = %d)\n",
860 dev->name, result);
861 goto fail_frontend1;
862 }
863 }
864
865 /* register demux stuff */
866 dvb->demux.dmx.capabilities =
867 DMX_TS_FILTERING | DMX_SECTION_FILTERING |
868 DMX_MEMORY_BASED_FILTERING;
869 dvb->demux.priv = dvb;
870 dvb->demux.filternum = 256;
871 dvb->demux.feednum = 256;
872 dvb->demux.start_feed = em28xx_start_feed;
873 dvb->demux.stop_feed = em28xx_stop_feed;
874
875 result = dvb_dmx_init(&dvb->demux);
876 if (result < 0) {
877 printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n",
878 dev->name, result);
879 goto fail_dmx;
880 }
881
882 dvb->dmxdev.filternum = 256;
883 dvb->dmxdev.demux = &dvb->demux.dmx;
884 dvb->dmxdev.capabilities = 0;
885 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
886 if (result < 0) {
887 printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n",
888 dev->name, result);
889 goto fail_dmxdev;
890 }
891
892 dvb->fe_hw.source = DMX_FRONTEND_0;
893 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
894 if (result < 0) {
895 printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
896 dev->name, result);
897 goto fail_fe_hw;
898 }
899
900 dvb->fe_mem.source = DMX_MEMORY_FE;
901 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
902 if (result < 0) {
903 printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
904 dev->name, result);
905 goto fail_fe_mem;
906 }
907
908 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
909 if (result < 0) {
910 printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n",
911 dev->name, result);
912 goto fail_fe_conn;
913 }
914
915 /* register network adapter */
916 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
917 return 0;
918
919 fail_fe_conn:
920 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
921 fail_fe_mem:
922 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
923 fail_fe_hw:
924 dvb_dmxdev_release(&dvb->dmxdev);
925 fail_dmxdev:
926 dvb_dmx_release(&dvb->demux);
927 fail_dmx:
928 if (dvb->fe[1])
929 dvb_unregister_frontend(dvb->fe[1]);
930 dvb_unregister_frontend(dvb->fe[0]);
931 fail_frontend1:
932 if (dvb->fe[1])
933 dvb_frontend_detach(dvb->fe[1]);
934 fail_frontend0:
935 dvb_frontend_detach(dvb->fe[0]);
936 dvb_unregister_adapter(&dvb->adapter);
937 fail_adapter:
938 return result;
939 }
940
941 static void em28xx_unregister_dvb(struct em28xx_dvb *dvb)
942 {
943 dvb_net_release(&dvb->net);
944 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
945 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
946 dvb_dmxdev_release(&dvb->dmxdev);
947 dvb_dmx_release(&dvb->demux);
948 if (dvb->fe[1])
949 dvb_unregister_frontend(dvb->fe[1]);
950 dvb_unregister_frontend(dvb->fe[0]);
951 if (dvb->fe[1] && !dvb->dont_attach_fe1)
952 dvb_frontend_detach(dvb->fe[1]);
953 dvb_frontend_detach(dvb->fe[0]);
954 dvb_unregister_adapter(&dvb->adapter);
955 }
956
957 static int em28xx_dvb_init(struct em28xx *dev)
958 {
959 int result = 0, mfe_shared = 0;
960 struct em28xx_dvb *dvb;
961
962 if (!dev->board.has_dvb) {
963 /* This device does not support the extension */
964 printk(KERN_INFO "em28xx_dvb: This device does not support the extension\n");
965 return 0;
966 }
967
968 dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL);
969
970 if (dvb == NULL) {
971 em28xx_info("em28xx_dvb: memory allocation failed\n");
972 return -ENOMEM;
973 }
974 dev->dvb = dvb;
975 dvb->fe[0] = dvb->fe[1] = NULL;
976
977 mutex_lock(&dev->lock);
978 em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
979 /* init frontend */
980 switch (dev->model) {
981 case EM2874_BOARD_LEADERSHIP_ISDBT:
982 dvb->fe[0] = dvb_attach(s921_attach,
983 &sharp_isdbt, &dev->i2c_adap[dev->def_i2c_bus]);
984
985 if (!dvb->fe[0]) {
986 result = -EINVAL;
987 goto out_free;
988 }
989
990 break;
991 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850:
992 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950:
993 case EM2880_BOARD_PINNACLE_PCTV_HD_PRO:
994 case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600:
995 dvb->fe[0] = dvb_attach(lgdt330x_attach,
996 &em2880_lgdt3303_dev,
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_KWORLD_DVB_310U:
1004 dvb->fe[0] = dvb_attach(zl10353_attach,
1005 &em28xx_zl10353_with_xc3028,
1006 &dev->i2c_adap[dev->def_i2c_bus]);
1007 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1008 result = -EINVAL;
1009 goto out_free;
1010 }
1011 break;
1012 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
1013 case EM2882_BOARD_TERRATEC_HYBRID_XS:
1014 case EM2880_BOARD_EMPIRE_DUAL_TV:
1015 dvb->fe[0] = dvb_attach(zl10353_attach,
1016 &em28xx_zl10353_xc3028_no_i2c_gate,
1017 &dev->i2c_adap[dev->def_i2c_bus]);
1018 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1019 result = -EINVAL;
1020 goto out_free;
1021 }
1022 break;
1023 case EM2880_BOARD_TERRATEC_HYBRID_XS:
1024 case EM2880_BOARD_TERRATEC_HYBRID_XS_FR:
1025 case EM2881_BOARD_PINNACLE_HYBRID_PRO:
1026 case EM2882_BOARD_DIKOM_DK300:
1027 case EM2882_BOARD_KWORLD_VS_DVBT:
1028 dvb->fe[0] = dvb_attach(zl10353_attach,
1029 &em28xx_zl10353_xc3028_no_i2c_gate,
1030 &dev->i2c_adap[dev->def_i2c_bus]);
1031 if (dvb->fe[0] == NULL) {
1032 /* This board could have either a zl10353 or a mt352.
1033 If the chip id isn't for zl10353, try mt352 */
1034 dvb->fe[0] = dvb_attach(mt352_attach,
1035 &terratec_xs_mt352_cfg,
1036 &dev->i2c_adap[dev->def_i2c_bus]);
1037 }
1038
1039 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1040 result = -EINVAL;
1041 goto out_free;
1042 }
1043 break;
1044 case EM2870_BOARD_KWORLD_355U:
1045 dvb->fe[0] = dvb_attach(zl10353_attach,
1046 &em28xx_zl10353_no_i2c_gate_dev,
1047 &dev->i2c_adap[dev->def_i2c_bus]);
1048 if (dvb->fe[0] != NULL)
1049 dvb_attach(qt1010_attach, dvb->fe[0],
1050 &dev->i2c_adap[dev->def_i2c_bus], &em28xx_qt1010_config);
1051 break;
1052 case EM2883_BOARD_KWORLD_HYBRID_330U:
1053 case EM2882_BOARD_EVGA_INDTUBE:
1054 dvb->fe[0] = dvb_attach(s5h1409_attach,
1055 &em28xx_s5h1409_with_xc3028,
1056 &dev->i2c_adap[dev->def_i2c_bus]);
1057 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1058 result = -EINVAL;
1059 goto out_free;
1060 }
1061 break;
1062 case EM2882_BOARD_KWORLD_ATSC_315U:
1063 dvb->fe[0] = dvb_attach(lgdt330x_attach,
1064 &em2880_lgdt3303_dev,
1065 &dev->i2c_adap[dev->def_i2c_bus]);
1066 if (dvb->fe[0] != NULL) {
1067 if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
1068 &dev->i2c_adap[dev->def_i2c_bus], 0x61, TUNER_THOMSON_DTT761X)) {
1069 result = -EINVAL;
1070 goto out_free;
1071 }
1072 }
1073 break;
1074 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2:
1075 case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E:
1076 dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL,
1077 &dev->i2c_adap[dev->def_i2c_bus], &dev->udev->dev);
1078 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1079 result = -EINVAL;
1080 goto out_free;
1081 }
1082 break;
1083 case EM2870_BOARD_REDDO_DVB_C_USB_BOX:
1084 /* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */
1085 dvb->fe[0] = dvb_attach(tda10023_attach,
1086 &em28xx_tda10023_config,
1087 &dev->i2c_adap[dev->def_i2c_bus], 0x48);
1088 if (dvb->fe[0]) {
1089 if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
1090 &dev->i2c_adap[dev->def_i2c_bus], 0x60, TUNER_PHILIPS_CU1216L)) {
1091 result = -EINVAL;
1092 goto out_free;
1093 }
1094 }
1095 break;
1096 case EM2870_BOARD_KWORLD_A340:
1097 dvb->fe[0] = dvb_attach(lgdt3305_attach,
1098 &em2870_lgdt3304_dev,
1099 &dev->i2c_adap[dev->def_i2c_bus]);
1100 if (dvb->fe[0] != NULL)
1101 dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1102 &dev->i2c_adap[dev->def_i2c_bus], &kworld_a340_config);
1103 break;
1104 case EM28174_BOARD_PCTV_290E:
1105 /* set default GPIO0 for LNA, used if GPIOLIB is undefined */
1106 dvb->lna_gpio = CXD2820R_GPIO_E | CXD2820R_GPIO_O |
1107 CXD2820R_GPIO_L;
1108 dvb->fe[0] = dvb_attach(cxd2820r_attach,
1109 &em28xx_cxd2820r_config,
1110 &dev->i2c_adap[dev->def_i2c_bus],
1111 &dvb->lna_gpio);
1112 if (dvb->fe[0]) {
1113 /* FE 0 attach tuner */
1114 if (!dvb_attach(tda18271_attach,
1115 dvb->fe[0],
1116 0x60,
1117 &dev->i2c_adap[dev->def_i2c_bus],
1118 &em28xx_cxd2820r_tda18271_config)) {
1119
1120 dvb_frontend_detach(dvb->fe[0]);
1121 result = -EINVAL;
1122 goto out_free;
1123 }
1124
1125 #ifdef CONFIG_GPIOLIB
1126 /* enable LNA for DVB-T, DVB-T2 and DVB-C */
1127 result = gpio_request_one(dvb->lna_gpio,
1128 GPIOF_OUT_INIT_LOW, NULL);
1129 if (result)
1130 em28xx_errdev("gpio request failed %d\n",
1131 result);
1132 else
1133 gpio_free(dvb->lna_gpio);
1134
1135 result = 0; /* continue even set LNA fails */
1136 #endif
1137 dvb->fe[0]->ops.set_lna = em28xx_pctv_290e_set_lna;
1138 }
1139
1140 break;
1141 case EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C:
1142 {
1143 struct xc5000_config cfg;
1144 hauppauge_hvr930c_init(dev);
1145
1146 dvb->fe[0] = dvb_attach(drxk_attach,
1147 &hauppauge_930c_drxk, &dev->i2c_adap[dev->def_i2c_bus]);
1148 if (!dvb->fe[0]) {
1149 result = -EINVAL;
1150 goto out_free;
1151 }
1152 /* FIXME: do we need a pll semaphore? */
1153 dvb->fe[0]->sec_priv = dvb;
1154 sema_init(&dvb->pll_mutex, 1);
1155 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
1156 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
1157
1158 /* Attach xc5000 */
1159 memset(&cfg, 0, sizeof(cfg));
1160 cfg.i2c_address = 0x61;
1161 cfg.if_khz = 4000;
1162
1163 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1164 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
1165 if (!dvb_attach(xc5000_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus],
1166 &cfg)) {
1167 result = -EINVAL;
1168 goto out_free;
1169 }
1170 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1171 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
1172
1173 break;
1174 }
1175 case EM2884_BOARD_TERRATEC_H5:
1176 terratec_h5_init(dev);
1177
1178 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, &dev->i2c_adap[dev->def_i2c_bus]);
1179 if (!dvb->fe[0]) {
1180 result = -EINVAL;
1181 goto out_free;
1182 }
1183 /* FIXME: do we need a pll semaphore? */
1184 dvb->fe[0]->sec_priv = dvb;
1185 sema_init(&dvb->pll_mutex, 1);
1186 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
1187 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
1188
1189 /* Attach tda18271 to DVB-C frontend */
1190 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1191 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
1192 if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus], 0x60)) {
1193 result = -EINVAL;
1194 goto out_free;
1195 }
1196 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1197 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
1198
1199 break;
1200 case EM2884_BOARD_C3TECH_DIGITAL_DUO:
1201 dvb->fe[0] = dvb_attach(mb86a20s_attach,
1202 &c3tech_duo_mb86a20s_config,
1203 &dev->i2c_adap[dev->def_i2c_bus]);
1204 if (dvb->fe[0] != NULL)
1205 dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1206 &dev->i2c_adap[dev->def_i2c_bus],
1207 &c3tech_duo_tda18271_config);
1208 break;
1209 case EM28174_BOARD_PCTV_460E:
1210 /* attach demod */
1211 dvb->fe[0] = dvb_attach(tda10071_attach,
1212 &em28xx_tda10071_config, &dev->i2c_adap[dev->def_i2c_bus]);
1213
1214 /* attach SEC */
1215 if (dvb->fe[0])
1216 dvb_attach(a8293_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus],
1217 &em28xx_a8293_config);
1218 break;
1219 case EM2874_BOARD_MAXMEDIA_UB425_TC:
1220 /* attach demodulator */
1221 dvb->fe[0] = dvb_attach(drxk_attach, &maxmedia_ub425_tc_drxk,
1222 &dev->i2c_adap[dev->def_i2c_bus]);
1223
1224 if (dvb->fe[0]) {
1225 /* disable I2C-gate */
1226 dvb->fe[0]->ops.i2c_gate_ctrl = NULL;
1227
1228 /* attach tuner */
1229 if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0],
1230 &dev->i2c_adap[dev->def_i2c_bus], 0x60)) {
1231 dvb_frontend_detach(dvb->fe[0]);
1232 result = -EINVAL;
1233 goto out_free;
1234 }
1235 }
1236
1237 /* TODO: we need drx-3913k firmware in order to support DVB-T */
1238 em28xx_info("MaxMedia UB425-TC: only DVB-C supported by that " \
1239 "driver version\n");
1240
1241 break;
1242 case EM2884_BOARD_PCTV_510E:
1243 case EM2884_BOARD_PCTV_520E:
1244 pctv_520e_init(dev);
1245
1246 /* attach demodulator */
1247 dvb->fe[0] = dvb_attach(drxk_attach, &pctv_520e_drxk,
1248 &dev->i2c_adap[dev->def_i2c_bus]);
1249
1250 if (dvb->fe[0]) {
1251 /* attach tuner */
1252 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1253 &dev->i2c_adap[dev->def_i2c_bus],
1254 &em28xx_cxd2820r_tda18271_config)) {
1255 dvb_frontend_detach(dvb->fe[0]);
1256 result = -EINVAL;
1257 goto out_free;
1258 }
1259 }
1260 break;
1261 case EM2884_BOARD_CINERGY_HTC_STICK:
1262 terratec_htc_stick_init(dev);
1263
1264 /* attach demodulator */
1265 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,
1266 &dev->i2c_adap[dev->def_i2c_bus]);
1267 if (!dvb->fe[0]) {
1268 result = -EINVAL;
1269 goto out_free;
1270 }
1271
1272 /* Attach the demodulator. */
1273 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1274 &dev->i2c_adap[dev->def_i2c_bus],
1275 &em28xx_cxd2820r_tda18271_config)) {
1276 result = -EINVAL;
1277 goto out_free;
1278 }
1279 break;
1280 case EM2884_BOARD_TERRATEC_HTC_USB_XS:
1281 terratec_htc_usb_xs_init(dev);
1282
1283 /* attach demodulator */
1284 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,
1285 &dev->i2c_adap[dev->def_i2c_bus]);
1286 if (!dvb->fe[0]) {
1287 result = -EINVAL;
1288 goto out_free;
1289 }
1290
1291 /* Attach the demodulator. */
1292 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1293 &dev->i2c_adap[dev->def_i2c_bus],
1294 &em28xx_cxd2820r_tda18271_config)) {
1295 result = -EINVAL;
1296 goto out_free;
1297 }
1298 break;
1299 default:
1300 em28xx_errdev("/2: The frontend of your DVB/ATSC card"
1301 " isn't supported yet\n");
1302 break;
1303 }
1304 if (NULL == dvb->fe[0]) {
1305 em28xx_errdev("/2: frontend initialization failed\n");
1306 result = -EINVAL;
1307 goto out_free;
1308 }
1309 /* define general-purpose callback pointer */
1310 dvb->fe[0]->callback = em28xx_tuner_callback;
1311 if (dvb->fe[1])
1312 dvb->fe[1]->callback = em28xx_tuner_callback;
1313
1314 /* register everything */
1315 result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
1316
1317 if (result < 0)
1318 goto out_free;
1319
1320 /* MFE lock */
1321 dvb->adapter.mfe_shared = mfe_shared;
1322
1323 em28xx_info("Successfully loaded em28xx-dvb\n");
1324 ret:
1325 em28xx_set_mode(dev, EM28XX_SUSPEND);
1326 mutex_unlock(&dev->lock);
1327 return result;
1328
1329 out_free:
1330 kfree(dvb);
1331 dev->dvb = NULL;
1332 goto ret;
1333 }
1334
1335 static inline void prevent_sleep(struct dvb_frontend_ops *ops)
1336 {
1337 ops->set_voltage = NULL;
1338 ops->sleep = NULL;
1339 ops->tuner_ops.sleep = NULL;
1340 }
1341
1342 static int em28xx_dvb_fini(struct em28xx *dev)
1343 {
1344 if (!dev->board.has_dvb) {
1345 /* This device does not support the extension */
1346 return 0;
1347 }
1348
1349 if (dev->dvb) {
1350 struct em28xx_dvb *dvb = dev->dvb;
1351
1352 if (dev->disconnected) {
1353 /* We cannot tell the device to sleep
1354 * once it has been unplugged. */
1355 if (dvb->fe[0])
1356 prevent_sleep(&dvb->fe[0]->ops);
1357 if (dvb->fe[1])
1358 prevent_sleep(&dvb->fe[1]->ops);
1359 }
1360
1361 em28xx_unregister_dvb(dvb);
1362 kfree(dvb);
1363 dev->dvb = NULL;
1364 }
1365
1366 return 0;
1367 }
1368
1369 static struct em28xx_ops dvb_ops = {
1370 .id = EM28XX_DVB,
1371 .name = "Em28xx dvb Extension",
1372 .init = em28xx_dvb_init,
1373 .fini = em28xx_dvb_fini,
1374 };
1375
1376 static int __init em28xx_dvb_register(void)
1377 {
1378 return em28xx_register_extension(&dvb_ops);
1379 }
1380
1381 static void __exit em28xx_dvb_unregister(void)
1382 {
1383 em28xx_unregister_extension(&dvb_ops);
1384 }
1385
1386 module_init(em28xx_dvb_register);
1387 module_exit(em28xx_dvb_unregister);
Linux kernel - Deliverables
This page took 0.098577 seconds and 5 git commands to generate.