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irqchip/s3c24xx: Mark init_eint as __maybe_unused
[linux/fpc-iii.git] / drivers / media / usb / em28xx / em28xx-dvb.c
blob357be76c7a5523e7e9ff0a11c7f70f1a35571a94
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 "drx39xyj/drx39xxj.h"
45 #include "tda18271.h"
46 #include "s921.h"
47 #include "drxd.h"
48 #include "cxd2820r.h"
49 #include "tda18271c2dd.h"
50 #include "drxk.h"
51 #include "tda10071.h"
52 #include "tda18212.h"
53 #include "a8293.h"
54 #include "qt1010.h"
55 #include "mb86a20s.h"
56 #include "m88ds3103.h"
57 #include "ts2020.h"
58 #include "si2168.h"
59 #include "si2157.h"
60
61 MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
62 MODULE_LICENSE("GPL");
63 MODULE_DESCRIPTION(DRIVER_DESC " - digital TV interface");
64 MODULE_VERSION(EM28XX_VERSION);
65
66 static unsigned int debug;
67 module_param(debug, int, 0644);
68 MODULE_PARM_DESC(debug, "enable debug messages [dvb]");
69
70 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
71
72 #define dprintk(level, fmt, arg...) do { \
73 if (debug >= level) \
74 printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \
75 } while (0)
76
77 struct em28xx_dvb {
78 struct dvb_frontend *fe[2];
79
80 /* feed count management */
81 struct mutex lock;
82 int nfeeds;
83
84 /* general boilerplate stuff */
85 struct dvb_adapter adapter;
86 struct dvb_demux demux;
87 struct dmxdev dmxdev;
88 struct dmx_frontend fe_hw;
89 struct dmx_frontend fe_mem;
90 struct dvb_net net;
91
92 /* Due to DRX-K - probably need changes */
93 int (*gate_ctrl)(struct dvb_frontend *, int);
94 struct semaphore pll_mutex;
95 bool dont_attach_fe1;
96 int lna_gpio;
97 struct i2c_client *i2c_client_demod;
98 struct i2c_client *i2c_client_tuner;
99 struct i2c_client *i2c_client_sec;
100 };
101
102 static inline void print_err_status(struct em28xx *dev,
103 int packet, int status)
104 {
105 char *errmsg = "Unknown";
106
107 switch (status) {
108 case -ENOENT:
109 errmsg = "unlinked synchronuously";
110 break;
111 case -ECONNRESET:
112 errmsg = "unlinked asynchronuously";
113 break;
114 case -ENOSR:
115 errmsg = "Buffer error (overrun)";
116 break;
117 case -EPIPE:
118 errmsg = "Stalled (device not responding)";
119 break;
120 case -EOVERFLOW:
121 errmsg = "Babble (bad cable?)";
122 break;
123 case -EPROTO:
124 errmsg = "Bit-stuff error (bad cable?)";
125 break;
126 case -EILSEQ:
127 errmsg = "CRC/Timeout (could be anything)";
128 break;
129 case -ETIME:
130 errmsg = "Device does not respond";
131 break;
132 }
133 if (packet < 0) {
134 dprintk(1, "URB status %d [%s].\n", status, errmsg);
135 } else {
136 dprintk(1, "URB packet %d, status %d [%s].\n",
137 packet, status, errmsg);
138 }
139 }
140
141 static inline int em28xx_dvb_urb_data_copy(struct em28xx *dev, struct urb *urb)
142 {
143 int xfer_bulk, num_packets, i;
144
145 if (!dev)
146 return 0;
147
148 if (dev->disconnected)
149 return 0;
150
151 if (urb->status < 0)
152 print_err_status(dev, -1, urb->status);
153
154 xfer_bulk = usb_pipebulk(urb->pipe);
155
156 if (xfer_bulk) /* bulk */
157 num_packets = 1;
158 else /* isoc */
159 num_packets = urb->number_of_packets;
160
161 for (i = 0; i < num_packets; i++) {
162 if (xfer_bulk) {
163 if (urb->status < 0) {
164 print_err_status(dev, i, urb->status);
165 if (urb->status != -EPROTO)
166 continue;
167 }
168 if (!urb->actual_length)
169 continue;
170 dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer,
171 urb->actual_length);
172 } else {
173 if (urb->iso_frame_desc[i].status < 0) {
174 print_err_status(dev, i,
175 urb->iso_frame_desc[i].status);
176 if (urb->iso_frame_desc[i].status != -EPROTO)
177 continue;
178 }
179 if (!urb->iso_frame_desc[i].actual_length)
180 continue;
181 dvb_dmx_swfilter(&dev->dvb->demux,
182 urb->transfer_buffer +
183 urb->iso_frame_desc[i].offset,
184 urb->iso_frame_desc[i].actual_length);
185 }
186 }
187
188 return 0;
189 }
190
191 static int em28xx_start_streaming(struct em28xx_dvb *dvb)
192 {
193 int rc;
194 struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv;
195 struct em28xx *dev = i2c_bus->dev;
196 int dvb_max_packet_size, packet_multiplier, dvb_alt;
197
198 if (dev->dvb_xfer_bulk) {
199 if (!dev->dvb_ep_bulk)
200 return -ENODEV;
201 dvb_max_packet_size = 512; /* USB 2.0 spec */
202 packet_multiplier = EM28XX_DVB_BULK_PACKET_MULTIPLIER;
203 dvb_alt = 0;
204 } else { /* isoc */
205 if (!dev->dvb_ep_isoc)
206 return -ENODEV;
207 dvb_max_packet_size = dev->dvb_max_pkt_size_isoc;
208 if (dvb_max_packet_size < 0)
209 return dvb_max_packet_size;
210 packet_multiplier = EM28XX_DVB_NUM_ISOC_PACKETS;
211 dvb_alt = dev->dvb_alt_isoc;
212 }
213
214 usb_set_interface(dev->udev, dev->ifnum, dvb_alt);
215 rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
216 if (rc < 0)
217 return rc;
218
219 dprintk(1, "Using %d buffers each with %d x %d bytes, alternate %d\n",
220 EM28XX_DVB_NUM_BUFS,
221 packet_multiplier,
222 dvb_max_packet_size, dvb_alt);
223
224 return em28xx_init_usb_xfer(dev, EM28XX_DIGITAL_MODE,
225 dev->dvb_xfer_bulk,
226 EM28XX_DVB_NUM_BUFS,
227 dvb_max_packet_size,
228 packet_multiplier,
229 em28xx_dvb_urb_data_copy);
230 }
231
232 static int em28xx_stop_streaming(struct em28xx_dvb *dvb)
233 {
234 struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv;
235 struct em28xx *dev = i2c_bus->dev;
236
237 em28xx_stop_urbs(dev);
238
239 return 0;
240 }
241
242 static int em28xx_start_feed(struct dvb_demux_feed *feed)
243 {
244 struct dvb_demux *demux = feed->demux;
245 struct em28xx_dvb *dvb = demux->priv;
246 int rc, ret;
247
248 if (!demux->dmx.frontend)
249 return -EINVAL;
250
251 mutex_lock(&dvb->lock);
252 dvb->nfeeds++;
253 rc = dvb->nfeeds;
254
255 if (dvb->nfeeds == 1) {
256 ret = em28xx_start_streaming(dvb);
257 if (ret < 0)
258 rc = ret;
259 }
260
261 mutex_unlock(&dvb->lock);
262 return rc;
263 }
264
265 static int em28xx_stop_feed(struct dvb_demux_feed *feed)
266 {
267 struct dvb_demux *demux = feed->demux;
268 struct em28xx_dvb *dvb = demux->priv;
269 int err = 0;
270
271 mutex_lock(&dvb->lock);
272 dvb->nfeeds--;
273
274 if (0 == dvb->nfeeds)
275 err = em28xx_stop_streaming(dvb);
276
277 mutex_unlock(&dvb->lock);
278 return err;
279 }
280
281
282 /* ------------------------------------------------------------------ */
283 static int em28xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
284 {
285 struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
286 struct em28xx *dev = i2c_bus->dev;
287
288 if (acquire)
289 return em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
290 else
291 return em28xx_set_mode(dev, EM28XX_SUSPEND);
292 }
293
294 /* ------------------------------------------------------------------ */
295
296 static struct lgdt330x_config em2880_lgdt3303_dev = {
297 .demod_address = 0x0e,
298 .demod_chip = LGDT3303,
299 };
300
301 static struct lgdt3305_config em2870_lgdt3304_dev = {
302 .i2c_addr = 0x0e,
303 .demod_chip = LGDT3304,
304 .spectral_inversion = 1,
305 .deny_i2c_rptr = 1,
306 .mpeg_mode = LGDT3305_MPEG_PARALLEL,
307 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
308 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
309 .vsb_if_khz = 3250,
310 .qam_if_khz = 4000,
311 };
312
313 static struct lgdt3305_config em2874_lgdt3305_dev = {
314 .i2c_addr = 0x0e,
315 .demod_chip = LGDT3305,
316 .spectral_inversion = 1,
317 .deny_i2c_rptr = 0,
318 .mpeg_mode = LGDT3305_MPEG_SERIAL,
319 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
320 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
321 .vsb_if_khz = 3250,
322 .qam_if_khz = 4000,
323 };
324
325 static struct lgdt3305_config em2874_lgdt3305_nogate_dev = {
326 .i2c_addr = 0x0e,
327 .demod_chip = LGDT3305,
328 .spectral_inversion = 1,
329 .deny_i2c_rptr = 1,
330 .mpeg_mode = LGDT3305_MPEG_SERIAL,
331 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
332 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
333 .vsb_if_khz = 3600,
334 .qam_if_khz = 3600,
335 };
336
337 static struct s921_config sharp_isdbt = {
338 .demod_address = 0x30 >> 1
339 };
340
341 static struct zl10353_config em28xx_zl10353_with_xc3028 = {
342 .demod_address = (0x1e >> 1),
343 .no_tuner = 1,
344 .parallel_ts = 1,
345 .if2 = 45600,
346 };
347
348 static struct s5h1409_config em28xx_s5h1409_with_xc3028 = {
349 .demod_address = 0x32 >> 1,
350 .output_mode = S5H1409_PARALLEL_OUTPUT,
351 .gpio = S5H1409_GPIO_OFF,
352 .inversion = S5H1409_INVERSION_OFF,
353 .status_mode = S5H1409_DEMODLOCKING,
354 .mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK
355 };
356
357 static struct tda18271_std_map kworld_a340_std_map = {
358 .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 0,
359 .if_lvl = 1, .rfagc_top = 0x37, },
360 .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 1,
361 .if_lvl = 1, .rfagc_top = 0x37, },
362 };
363
364 static struct tda18271_config kworld_a340_config = {
365 .std_map = &kworld_a340_std_map,
366 };
367
368 static struct tda18271_config kworld_ub435q_v2_config = {
369 .std_map = &kworld_a340_std_map,
370 .gate = TDA18271_GATE_DIGITAL,
371 };
372
373 static struct tda18212_config kworld_ub435q_v3_config = {
374 .if_atsc_vsb = 3600,
375 .if_atsc_qam = 3600,
376 };
377
378 static struct zl10353_config em28xx_zl10353_xc3028_no_i2c_gate = {
379 .demod_address = (0x1e >> 1),
380 .no_tuner = 1,
381 .disable_i2c_gate_ctrl = 1,
382 .parallel_ts = 1,
383 .if2 = 45600,
384 };
385
386 static struct drxd_config em28xx_drxd = {
387 .demod_address = 0x70,
388 .demod_revision = 0xa2,
389 .pll_type = DRXD_PLL_NONE,
390 .clock = 12000,
391 .insert_rs_byte = 1,
392 .IF = 42800000,
393 .disable_i2c_gate_ctrl = 1,
394 };
395
396 static struct drxk_config terratec_h5_drxk = {
397 .adr = 0x29,
398 .single_master = 1,
399 .no_i2c_bridge = 1,
400 .microcode_name = "dvb-usb-terratec-h5-drxk.fw",
401 .qam_demod_parameter_count = 2,
402 };
403
404 static struct drxk_config hauppauge_930c_drxk = {
405 .adr = 0x29,
406 .single_master = 1,
407 .no_i2c_bridge = 1,
408 .microcode_name = "dvb-usb-hauppauge-hvr930c-drxk.fw",
409 .chunk_size = 56,
410 .qam_demod_parameter_count = 2,
411 };
412
413 static struct drxk_config terratec_htc_stick_drxk = {
414 .adr = 0x29,
415 .single_master = 1,
416 .no_i2c_bridge = 1,
417 .microcode_name = "dvb-usb-terratec-htc-stick-drxk.fw",
418 .chunk_size = 54,
419 .qam_demod_parameter_count = 2,
420 /* Required for the antenna_gpio to disable LNA. */
421 .antenna_dvbt = true,
422 /* The windows driver uses the same. This will disable LNA. */
423 .antenna_gpio = 0x6,
424 };
425
426 static struct drxk_config maxmedia_ub425_tc_drxk = {
427 .adr = 0x29,
428 .single_master = 1,
429 .no_i2c_bridge = 1,
430 .microcode_name = "dvb-demod-drxk-01.fw",
431 .chunk_size = 62,
432 .qam_demod_parameter_count = 2,
433 };
434
435 static struct drxk_config pctv_520e_drxk = {
436 .adr = 0x29,
437 .single_master = 1,
438 .microcode_name = "dvb-demod-drxk-pctv.fw",
439 .qam_demod_parameter_count = 2,
440 .chunk_size = 58,
441 .antenna_dvbt = true, /* disable LNA */
442 .antenna_gpio = (1 << 2), /* disable LNA */
443 };
444
445 static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
446 {
447 struct em28xx_dvb *dvb = fe->sec_priv;
448 int status;
449
450 if (!dvb)
451 return -EINVAL;
452
453 if (enable) {
454 down(&dvb->pll_mutex);
455 status = dvb->gate_ctrl(fe, 1);
456 } else {
457 status = dvb->gate_ctrl(fe, 0);
458 up(&dvb->pll_mutex);
459 }
460 return status;
461 }
462
463 static void hauppauge_hvr930c_init(struct em28xx *dev)
464 {
465 int i;
466
467 struct em28xx_reg_seq hauppauge_hvr930c_init[] = {
468 {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0x65},
469 {EM2874_R80_GPIO_P0_CTRL, 0xfb, 0xff, 0x32},
470 {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0xb8},
471 { -1, -1, -1, -1},
472 };
473 struct em28xx_reg_seq hauppauge_hvr930c_end[] = {
474 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x01},
475 {EM2874_R80_GPIO_P0_CTRL, 0xaf, 0xff, 0x65},
476 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x76},
477 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x01},
478 {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x0b},
479 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x40},
480
481 {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x65},
482 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x65},
483 {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x0b},
484 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x65},
485
486 { -1, -1, -1, -1},
487 };
488
489 struct {
490 unsigned char r[4];
491 int len;
492 } regs[] = {
493 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
494 {{ 0x01, 0x02 }, 2},
495 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
496 {{ 0x01, 0x00 }, 2},
497 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
498 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
499 {{ 0x01, 0x00 }, 2},
500 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
501 {{ 0x04, 0x00 }, 2},
502 {{ 0x00, 0x04 }, 2},
503 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
504 {{ 0x04, 0x14 }, 2},
505 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
506 };
507
508 em28xx_gpio_set(dev, hauppauge_hvr930c_init);
509 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
510 msleep(10);
511 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
512 msleep(10);
513
514 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
515
516 for (i = 0; i < ARRAY_SIZE(regs); i++)
517 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
518 em28xx_gpio_set(dev, hauppauge_hvr930c_end);
519
520 msleep(100);
521
522 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
523 msleep(30);
524
525 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
526 msleep(10);
527
528 }
529
530 static void terratec_h5_init(struct em28xx *dev)
531 {
532 int i;
533 struct em28xx_reg_seq terratec_h5_init[] = {
534 {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10},
535 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100},
536 {EM2874_R80_GPIO_P0_CTRL, 0xf2, 0xff, 50},
537 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100},
538 { -1, -1, -1, -1},
539 };
540 struct em28xx_reg_seq terratec_h5_end[] = {
541 {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100},
542 {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 50},
543 {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100},
544 { -1, -1, -1, -1},
545 };
546 struct {
547 unsigned char r[4];
548 int len;
549 } regs[] = {
550 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
551 {{ 0x01, 0x02 }, 2},
552 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
553 {{ 0x01, 0x00 }, 2},
554 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
555 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
556 {{ 0x01, 0x00 }, 2},
557 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
558 {{ 0x04, 0x00 }, 2},
559 {{ 0x00, 0x04 }, 2},
560 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
561 {{ 0x04, 0x14 }, 2},
562 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
563 };
564
565 em28xx_gpio_set(dev, terratec_h5_init);
566 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
567 msleep(10);
568 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
569 msleep(10);
570
571 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
572
573 for (i = 0; i < ARRAY_SIZE(regs); i++)
574 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
575 em28xx_gpio_set(dev, terratec_h5_end);
576 };
577
578 static void terratec_htc_stick_init(struct em28xx *dev)
579 {
580 int i;
581
582 /*
583 * GPIO configuration:
584 * 0xff: unknown (does not affect DVB-T).
585 * 0xf6: DRX-K (demodulator).
586 * 0xe6: unknown (does not affect DVB-T).
587 * 0xb6: unknown (does not affect DVB-T).
588 */
589 struct em28xx_reg_seq terratec_htc_stick_init[] = {
590 {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10},
591 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100},
592 {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 50},
593 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100},
594 { -1, -1, -1, -1},
595 };
596 struct em28xx_reg_seq terratec_htc_stick_end[] = {
597 {EM2874_R80_GPIO_P0_CTRL, 0xb6, 0xff, 100},
598 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 50},
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 };
616
617 em28xx_gpio_set(dev, terratec_htc_stick_init);
618
619 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
620 msleep(10);
621 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
622 msleep(10);
623
624 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
625
626 for (i = 0; i < ARRAY_SIZE(regs); i++)
627 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
628
629 em28xx_gpio_set(dev, terratec_htc_stick_end);
630 };
631
632 static void terratec_htc_usb_xs_init(struct em28xx *dev)
633 {
634 int i;
635
636 struct em28xx_reg_seq terratec_htc_usb_xs_init[] = {
637 {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10},
638 {EM2874_R80_GPIO_P0_CTRL, 0xb2, 0xff, 100},
639 {EM2874_R80_GPIO_P0_CTRL, 0xb2, 0xff, 50},
640 {EM2874_R80_GPIO_P0_CTRL, 0xb6, 0xff, 100},
641 { -1, -1, -1, -1},
642 };
643 struct em28xx_reg_seq terratec_htc_usb_xs_end[] = {
644 {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 100},
645 {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 50},
646 {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100},
647 { -1, -1, -1, -1},
648 };
649
650 /*
651 * Init the analog decoder (not yet supported), but
652 * it's probably still a good idea.
653 */
654 struct {
655 unsigned char r[4];
656 int len;
657 } regs[] = {
658 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
659 {{ 0x01, 0x02 }, 2},
660 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
661 {{ 0x01, 0x00 }, 2},
662 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
663 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
664 {{ 0x01, 0x00 }, 2},
665 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
666 {{ 0x04, 0x00 }, 2},
667 {{ 0x00, 0x04 }, 2},
668 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
669 {{ 0x04, 0x14 }, 2},
670 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
671 };
672
673 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
674
675 em28xx_gpio_set(dev, terratec_htc_usb_xs_init);
676
677 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
678 msleep(10);
679 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
680 msleep(10);
681
682 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
683
684 for (i = 0; i < ARRAY_SIZE(regs); i++)
685 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
686
687 em28xx_gpio_set(dev, terratec_htc_usb_xs_end);
688 };
689
690 static void pctv_520e_init(struct em28xx *dev)
691 {
692 /*
693 * Init AVF4910B analog decoder. Looks like I2C traffic to
694 * digital demodulator and tuner are routed via AVF4910B.
695 */
696 int i;
697 struct {
698 unsigned char r[4];
699 int len;
700 } regs[] = {
701 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
702 {{ 0x01, 0x02 }, 2},
703 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
704 {{ 0x01, 0x00 }, 2},
705 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
706 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
707 {{ 0x01, 0x00 }, 2},
708 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
709 };
710
711 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; /* 0x41 */
712
713 for (i = 0; i < ARRAY_SIZE(regs); i++)
714 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
715 };
716
717 static int em28xx_pctv_290e_set_lna(struct dvb_frontend *fe)
718 {
719 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
720 struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
721 struct em28xx *dev = i2c_bus->dev;
722 #ifdef CONFIG_GPIOLIB
723 struct em28xx_dvb *dvb = dev->dvb;
724 int ret;
725 unsigned long flags;
726
727 if (c->lna == 1)
728 flags = GPIOF_OUT_INIT_HIGH; /* enable LNA */
729 else
730 flags = GPIOF_OUT_INIT_LOW; /* disable LNA */
731
732 ret = gpio_request_one(dvb->lna_gpio, flags, NULL);
733 if (ret)
734 em28xx_errdev("gpio request failed %d\n", ret);
735 else
736 gpio_free(dvb->lna_gpio);
737
738 return ret;
739 #else
740 dev_warn(&dev->udev->dev, "%s: LNA control is disabled (lna=%u)\n",
741 KBUILD_MODNAME, c->lna);
742 return 0;
743 #endif
744 }
745
746 static int em28xx_pctv_292e_set_lna(struct dvb_frontend *fe)
747 {
748 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
749 struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
750 struct em28xx *dev = i2c_bus->dev;
751 u8 lna;
752
753 if (c->lna == 1)
754 lna = 0x01;
755 else
756 lna = 0x00;
757
758 return em28xx_write_reg_bits(dev, EM2874_R80_GPIO_P0_CTRL, lna, 0x01);
759 }
760
761 static int em28xx_mt352_terratec_xs_init(struct dvb_frontend *fe)
762 {
763 /* Values extracted from a USB trace of the Terratec Windows driver */
764 static u8 clock_config[] = { CLOCK_CTL, 0x38, 0x2c };
765 static u8 reset[] = { RESET, 0x80 };
766 static u8 adc_ctl_1_cfg[] = { ADC_CTL_1, 0x40 };
767 static u8 agc_cfg[] = { AGC_TARGET, 0x28, 0xa0 };
768 static u8 input_freq_cfg[] = { INPUT_FREQ_1, 0x31, 0xb8 };
769 static u8 rs_err_cfg[] = { RS_ERR_PER_1, 0x00, 0x4d };
770 static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
771 static u8 trl_nom_cfg[] = { TRL_NOMINAL_RATE_1, 0x64, 0x00 };
772 static u8 tps_given_cfg[] = { TPS_GIVEN_1, 0x40, 0x80, 0x50 };
773 static u8 tuner_go[] = { TUNER_GO, 0x01};
774
775 mt352_write(fe, clock_config, sizeof(clock_config));
776 udelay(200);
777 mt352_write(fe, reset, sizeof(reset));
778 mt352_write(fe, adc_ctl_1_cfg, sizeof(adc_ctl_1_cfg));
779 mt352_write(fe, agc_cfg, sizeof(agc_cfg));
780 mt352_write(fe, input_freq_cfg, sizeof(input_freq_cfg));
781 mt352_write(fe, rs_err_cfg, sizeof(rs_err_cfg));
782 mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
783 mt352_write(fe, trl_nom_cfg, sizeof(trl_nom_cfg));
784 mt352_write(fe, tps_given_cfg, sizeof(tps_given_cfg));
785 mt352_write(fe, tuner_go, sizeof(tuner_go));
786 return 0;
787 }
788
789 static struct mt352_config terratec_xs_mt352_cfg = {
790 .demod_address = (0x1e >> 1),
791 .no_tuner = 1,
792 .if2 = 45600,
793 .demod_init = em28xx_mt352_terratec_xs_init,
794 };
795
796 static struct tda10023_config em28xx_tda10023_config = {
797 .demod_address = 0x0c,
798 .invert = 1,
799 };
800
801 static struct cxd2820r_config em28xx_cxd2820r_config = {
802 .i2c_address = (0xd8 >> 1),
803 .ts_mode = CXD2820R_TS_SERIAL,
804 };
805
806 static struct tda18271_config em28xx_cxd2820r_tda18271_config = {
807 .output_opt = TDA18271_OUTPUT_LT_OFF,
808 .gate = TDA18271_GATE_DIGITAL,
809 };
810
811 static struct zl10353_config em28xx_zl10353_no_i2c_gate_dev = {
812 .demod_address = (0x1e >> 1),
813 .disable_i2c_gate_ctrl = 1,
814 .no_tuner = 1,
815 .parallel_ts = 1,
816 };
817
818 static struct qt1010_config em28xx_qt1010_config = {
819 .i2c_address = 0x62
820 };
821
822 static const struct mb86a20s_config c3tech_duo_mb86a20s_config = {
823 .demod_address = 0x10,
824 .is_serial = true,
825 };
826
827 static struct tda18271_std_map mb86a20s_tda18271_config = {
828 .dvbt_6 = { .if_freq = 4000, .agc_mode = 3, .std = 4,
829 .if_lvl = 1, .rfagc_top = 0x37, },
830 };
831
832 static struct tda18271_config c3tech_duo_tda18271_config = {
833 .std_map = &mb86a20s_tda18271_config,
834 .gate = TDA18271_GATE_DIGITAL,
835 .small_i2c = TDA18271_03_BYTE_CHUNK_INIT,
836 };
837
838 static const struct m88ds3103_config pctv_461e_m88ds3103_config = {
839 .i2c_addr = 0x68,
840 .clock = 27000000,
841 .i2c_wr_max = 33,
842 .clock_out = 0,
843 .ts_mode = M88DS3103_TS_PARALLEL,
844 .ts_clk = 16000,
845 .ts_clk_pol = 1,
846 .agc = 0x99,
847 };
848
849 static struct tda18271_std_map drx_j_std_map = {
850 .atsc_6 = { .if_freq = 5000, .agc_mode = 3, .std = 0, .if_lvl = 1,
851 .rfagc_top = 0x37, },
852 .qam_6 = { .if_freq = 5380, .agc_mode = 3, .std = 3, .if_lvl = 1,
853 .rfagc_top = 0x37, },
854 };
855
856 static struct tda18271_config pinnacle_80e_dvb_config = {
857 .std_map = &drx_j_std_map,
858 .gate = TDA18271_GATE_DIGITAL,
859 .role = TDA18271_MASTER,
860 };
861
862 /* ------------------------------------------------------------------ */
863
864 static int em28xx_attach_xc3028(u8 addr, struct em28xx *dev)
865 {
866 struct dvb_frontend *fe;
867 struct xc2028_config cfg;
868 struct xc2028_ctrl ctl;
869
870 memset(&cfg, 0, sizeof(cfg));
871 cfg.i2c_adap = &dev->i2c_adap[dev->def_i2c_bus];
872 cfg.i2c_addr = addr;
873
874 memset(&ctl, 0, sizeof(ctl));
875 em28xx_setup_xc3028(dev, &ctl);
876 cfg.ctrl = &ctl;
877
878 if (!dev->dvb->fe[0]) {
879 em28xx_errdev("/2: dvb frontend not attached. "
880 "Can't attach xc3028\n");
881 return -EINVAL;
882 }
883
884 fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg);
885 if (!fe) {
886 em28xx_errdev("/2: xc3028 attach failed\n");
887 dvb_frontend_detach(dev->dvb->fe[0]);
888 dev->dvb->fe[0] = NULL;
889 return -EINVAL;
890 }
891
892 em28xx_info("%s/2: xc3028 attached\n", dev->name);
893
894 return 0;
895 }
896
897 /* ------------------------------------------------------------------ */
898
899 static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
900 struct em28xx *dev, struct device *device)
901 {
902 int result;
903
904 mutex_init(&dvb->lock);
905
906 /* register adapter */
907 result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,
908 adapter_nr);
909 if (result < 0) {
910 printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n",
911 dev->name, result);
912 goto fail_adapter;
913 }
914
915 /* Ensure all frontends negotiate bus access */
916 dvb->fe[0]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
917 if (dvb->fe[1])
918 dvb->fe[1]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
919
920 dvb->adapter.priv = &dev->i2c_bus[dev->def_i2c_bus];
921
922 /* register frontend */
923 result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]);
924 if (result < 0) {
925 printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n",
926 dev->name, result);
927 goto fail_frontend0;
928 }
929
930 /* register 2nd frontend */
931 if (dvb->fe[1]) {
932 result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]);
933 if (result < 0) {
934 printk(KERN_WARNING "%s: 2nd dvb_register_frontend failed (errno = %d)\n",
935 dev->name, result);
936 goto fail_frontend1;
937 }
938 }
939
940 /* register demux stuff */
941 dvb->demux.dmx.capabilities =
942 DMX_TS_FILTERING | DMX_SECTION_FILTERING |
943 DMX_MEMORY_BASED_FILTERING;
944 dvb->demux.priv = dvb;
945 dvb->demux.filternum = 256;
946 dvb->demux.feednum = 256;
947 dvb->demux.start_feed = em28xx_start_feed;
948 dvb->demux.stop_feed = em28xx_stop_feed;
949
950 result = dvb_dmx_init(&dvb->demux);
951 if (result < 0) {
952 printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n",
953 dev->name, result);
954 goto fail_dmx;
955 }
956
957 dvb->dmxdev.filternum = 256;
958 dvb->dmxdev.demux = &dvb->demux.dmx;
959 dvb->dmxdev.capabilities = 0;
960 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
961 if (result < 0) {
962 printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n",
963 dev->name, result);
964 goto fail_dmxdev;
965 }
966
967 dvb->fe_hw.source = DMX_FRONTEND_0;
968 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
969 if (result < 0) {
970 printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
971 dev->name, result);
972 goto fail_fe_hw;
973 }
974
975 dvb->fe_mem.source = DMX_MEMORY_FE;
976 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
977 if (result < 0) {
978 printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
979 dev->name, result);
980 goto fail_fe_mem;
981 }
982
983 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
984 if (result < 0) {
985 printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n",
986 dev->name, result);
987 goto fail_fe_conn;
988 }
989
990 /* register network adapter */
991 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
992 return 0;
993
994 fail_fe_conn:
995 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
996 fail_fe_mem:
997 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
998 fail_fe_hw:
999 dvb_dmxdev_release(&dvb->dmxdev);
1000 fail_dmxdev:
1001 dvb_dmx_release(&dvb->demux);
1002 fail_dmx:
1003 if (dvb->fe[1])
1004 dvb_unregister_frontend(dvb->fe[1]);
1005 dvb_unregister_frontend(dvb->fe[0]);
1006 fail_frontend1:
1007 if (dvb->fe[1])
1008 dvb_frontend_detach(dvb->fe[1]);
1009 fail_frontend0:
1010 dvb_frontend_detach(dvb->fe[0]);
1011 dvb_unregister_adapter(&dvb->adapter);
1012 fail_adapter:
1013 return result;
1014 }
1015
1016 static void em28xx_unregister_dvb(struct em28xx_dvb *dvb)
1017 {
1018 dvb_net_release(&dvb->net);
1019 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
1020 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
1021 dvb_dmxdev_release(&dvb->dmxdev);
1022 dvb_dmx_release(&dvb->demux);
1023 if (dvb->fe[1])
1024 dvb_unregister_frontend(dvb->fe[1]);
1025 dvb_unregister_frontend(dvb->fe[0]);
1026 if (dvb->fe[1] && !dvb->dont_attach_fe1)
1027 dvb_frontend_detach(dvb->fe[1]);
1028 dvb_frontend_detach(dvb->fe[0]);
1029 dvb_unregister_adapter(&dvb->adapter);
1030 }
1031
1032 static int em28xx_dvb_init(struct em28xx *dev)
1033 {
1034 int result = 0;
1035 struct em28xx_dvb *dvb;
1036
1037 if (dev->is_audio_only) {
1038 /* Shouldn't initialize IR for this interface */
1039 return 0;
1040 }
1041
1042 if (!dev->board.has_dvb) {
1043 /* This device does not support the extension */
1044 return 0;
1045 }
1046
1047 em28xx_info("Binding DVB extension\n");
1048
1049 dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL);
1050 if (dvb == NULL) {
1051 em28xx_info("em28xx_dvb: memory allocation failed\n");
1052 return -ENOMEM;
1053 }
1054 dev->dvb = dvb;
1055 dvb->fe[0] = dvb->fe[1] = NULL;
1056
1057 /* pre-allocate DVB usb transfer buffers */
1058 if (dev->dvb_xfer_bulk) {
1059 result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE,
1060 dev->dvb_xfer_bulk,
1061 EM28XX_DVB_NUM_BUFS,
1062 512,
1063 EM28XX_DVB_BULK_PACKET_MULTIPLIER);
1064 } else {
1065 result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE,
1066 dev->dvb_xfer_bulk,
1067 EM28XX_DVB_NUM_BUFS,
1068 dev->dvb_max_pkt_size_isoc,
1069 EM28XX_DVB_NUM_ISOC_PACKETS);
1070 }
1071 if (result) {
1072 em28xx_errdev("em28xx_dvb: failed to pre-allocate USB transfer buffers for DVB.\n");
1073 kfree(dvb);
1074 dev->dvb = NULL;
1075 return result;
1076 }
1077
1078 mutex_lock(&dev->lock);
1079 em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
1080 /* init frontend */
1081 switch (dev->model) {
1082 case EM2874_BOARD_LEADERSHIP_ISDBT:
1083 dvb->fe[0] = dvb_attach(s921_attach,
1084 &sharp_isdbt, &dev->i2c_adap[dev->def_i2c_bus]);
1085
1086 if (!dvb->fe[0]) {
1087 result = -EINVAL;
1088 goto out_free;
1089 }
1090
1091 break;
1092 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850:
1093 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950:
1094 case EM2880_BOARD_PINNACLE_PCTV_HD_PRO:
1095 case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600:
1096 dvb->fe[0] = dvb_attach(lgdt330x_attach,
1097 &em2880_lgdt3303_dev,
1098 &dev->i2c_adap[dev->def_i2c_bus]);
1099 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1100 result = -EINVAL;
1101 goto out_free;
1102 }
1103 break;
1104 case EM2880_BOARD_KWORLD_DVB_310U:
1105 dvb->fe[0] = dvb_attach(zl10353_attach,
1106 &em28xx_zl10353_with_xc3028,
1107 &dev->i2c_adap[dev->def_i2c_bus]);
1108 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1109 result = -EINVAL;
1110 goto out_free;
1111 }
1112 break;
1113 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
1114 case EM2882_BOARD_TERRATEC_HYBRID_XS:
1115 case EM2880_BOARD_EMPIRE_DUAL_TV:
1116 dvb->fe[0] = dvb_attach(zl10353_attach,
1117 &em28xx_zl10353_xc3028_no_i2c_gate,
1118 &dev->i2c_adap[dev->def_i2c_bus]);
1119 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1120 result = -EINVAL;
1121 goto out_free;
1122 }
1123 break;
1124 case EM2880_BOARD_TERRATEC_HYBRID_XS:
1125 case EM2880_BOARD_TERRATEC_HYBRID_XS_FR:
1126 case EM2881_BOARD_PINNACLE_HYBRID_PRO:
1127 case EM2882_BOARD_DIKOM_DK300:
1128 case EM2882_BOARD_KWORLD_VS_DVBT:
1129 dvb->fe[0] = dvb_attach(zl10353_attach,
1130 &em28xx_zl10353_xc3028_no_i2c_gate,
1131 &dev->i2c_adap[dev->def_i2c_bus]);
1132 if (dvb->fe[0] == NULL) {
1133 /* This board could have either a zl10353 or a mt352.
1134 If the chip id isn't for zl10353, try mt352 */
1135 dvb->fe[0] = dvb_attach(mt352_attach,
1136 &terratec_xs_mt352_cfg,
1137 &dev->i2c_adap[dev->def_i2c_bus]);
1138 }
1139
1140 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1141 result = -EINVAL;
1142 goto out_free;
1143 }
1144 break;
1145 case EM2870_BOARD_KWORLD_355U:
1146 dvb->fe[0] = dvb_attach(zl10353_attach,
1147 &em28xx_zl10353_no_i2c_gate_dev,
1148 &dev->i2c_adap[dev->def_i2c_bus]);
1149 if (dvb->fe[0] != NULL)
1150 dvb_attach(qt1010_attach, dvb->fe[0],
1151 &dev->i2c_adap[dev->def_i2c_bus], &em28xx_qt1010_config);
1152 break;
1153 case EM2883_BOARD_KWORLD_HYBRID_330U:
1154 case EM2882_BOARD_EVGA_INDTUBE:
1155 dvb->fe[0] = dvb_attach(s5h1409_attach,
1156 &em28xx_s5h1409_with_xc3028,
1157 &dev->i2c_adap[dev->def_i2c_bus]);
1158 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1159 result = -EINVAL;
1160 goto out_free;
1161 }
1162 break;
1163 case EM2882_BOARD_KWORLD_ATSC_315U:
1164 dvb->fe[0] = dvb_attach(lgdt330x_attach,
1165 &em2880_lgdt3303_dev,
1166 &dev->i2c_adap[dev->def_i2c_bus]);
1167 if (dvb->fe[0] != NULL) {
1168 if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
1169 &dev->i2c_adap[dev->def_i2c_bus],
1170 0x61, TUNER_THOMSON_DTT761X)) {
1171 result = -EINVAL;
1172 goto out_free;
1173 }
1174 }
1175 break;
1176 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2:
1177 case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E:
1178 dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL,
1179 &dev->i2c_adap[dev->def_i2c_bus], &dev->udev->dev);
1180 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1181 result = -EINVAL;
1182 goto out_free;
1183 }
1184 break;
1185 case EM2870_BOARD_REDDO_DVB_C_USB_BOX:
1186 /* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */
1187 dvb->fe[0] = dvb_attach(tda10023_attach,
1188 &em28xx_tda10023_config,
1189 &dev->i2c_adap[dev->def_i2c_bus], 0x48);
1190 if (dvb->fe[0]) {
1191 if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
1192 &dev->i2c_adap[dev->def_i2c_bus],
1193 0x60, TUNER_PHILIPS_CU1216L)) {
1194 result = -EINVAL;
1195 goto out_free;
1196 }
1197 }
1198 break;
1199 case EM2870_BOARD_KWORLD_A340:
1200 dvb->fe[0] = dvb_attach(lgdt3305_attach,
1201 &em2870_lgdt3304_dev,
1202 &dev->i2c_adap[dev->def_i2c_bus]);
1203 if (!dvb->fe[0]) {
1204 result = -EINVAL;
1205 goto out_free;
1206 }
1207 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1208 &dev->i2c_adap[dev->def_i2c_bus],
1209 &kworld_a340_config)) {
1210 dvb_frontend_detach(dvb->fe[0]);
1211 result = -EINVAL;
1212 goto out_free;
1213 }
1214 break;
1215 case EM28174_BOARD_PCTV_290E:
1216 /* set default GPIO0 for LNA, used if GPIOLIB is undefined */
1217 dvb->lna_gpio = CXD2820R_GPIO_E | CXD2820R_GPIO_O |
1218 CXD2820R_GPIO_L;
1219 dvb->fe[0] = dvb_attach(cxd2820r_attach,
1220 &em28xx_cxd2820r_config,
1221 &dev->i2c_adap[dev->def_i2c_bus],
1222 &dvb->lna_gpio);
1223 if (dvb->fe[0]) {
1224 /* FE 0 attach tuner */
1225 if (!dvb_attach(tda18271_attach,
1226 dvb->fe[0],
1227 0x60,
1228 &dev->i2c_adap[dev->def_i2c_bus],
1229 &em28xx_cxd2820r_tda18271_config)) {
1230
1231 dvb_frontend_detach(dvb->fe[0]);
1232 result = -EINVAL;
1233 goto out_free;
1234 }
1235
1236 #ifdef CONFIG_GPIOLIB
1237 /* enable LNA for DVB-T, DVB-T2 and DVB-C */
1238 result = gpio_request_one(dvb->lna_gpio,
1239 GPIOF_OUT_INIT_LOW, NULL);
1240 if (result)
1241 em28xx_errdev("gpio request failed %d\n",
1242 result);
1243 else
1244 gpio_free(dvb->lna_gpio);
1245
1246 result = 0; /* continue even set LNA fails */
1247 #endif
1248 dvb->fe[0]->ops.set_lna = em28xx_pctv_290e_set_lna;
1249 }
1250
1251 break;
1252 case EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C:
1253 {
1254 struct xc5000_config cfg;
1255
1256 hauppauge_hvr930c_init(dev);
1257
1258 dvb->fe[0] = dvb_attach(drxk_attach,
1259 &hauppauge_930c_drxk, &dev->i2c_adap[dev->def_i2c_bus]);
1260 if (!dvb->fe[0]) {
1261 result = -EINVAL;
1262 goto out_free;
1263 }
1264 /* FIXME: do we need a pll semaphore? */
1265 dvb->fe[0]->sec_priv = dvb;
1266 sema_init(&dvb->pll_mutex, 1);
1267 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
1268 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
1269
1270 /* Attach xc5000 */
1271 memset(&cfg, 0, sizeof(cfg));
1272 cfg.i2c_address = 0x61;
1273 cfg.if_khz = 4000;
1274
1275 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1276 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
1277 if (!dvb_attach(xc5000_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus],
1278 &cfg)) {
1279 result = -EINVAL;
1280 goto out_free;
1281 }
1282 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1283 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
1284
1285 break;
1286 }
1287 case EM2884_BOARD_TERRATEC_H5:
1288 terratec_h5_init(dev);
1289
1290 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, &dev->i2c_adap[dev->def_i2c_bus]);
1291 if (!dvb->fe[0]) {
1292 result = -EINVAL;
1293 goto out_free;
1294 }
1295 /* FIXME: do we need a pll semaphore? */
1296 dvb->fe[0]->sec_priv = dvb;
1297 sema_init(&dvb->pll_mutex, 1);
1298 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
1299 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
1300
1301 /* Attach tda18271 to DVB-C frontend */
1302 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1303 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
1304 if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus], 0x60)) {
1305 result = -EINVAL;
1306 goto out_free;
1307 }
1308 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1309 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
1310
1311 break;
1312 case EM2884_BOARD_C3TECH_DIGITAL_DUO:
1313 dvb->fe[0] = dvb_attach(mb86a20s_attach,
1314 &c3tech_duo_mb86a20s_config,
1315 &dev->i2c_adap[dev->def_i2c_bus]);
1316 if (dvb->fe[0] != NULL)
1317 dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1318 &dev->i2c_adap[dev->def_i2c_bus],
1319 &c3tech_duo_tda18271_config);
1320 break;
1321 case EM28174_BOARD_PCTV_460E: {
1322 struct i2c_client *client;
1323 struct i2c_board_info board_info;
1324 struct tda10071_platform_data tda10071_pdata = {};
1325 struct a8293_platform_data a8293_pdata = {};
1326
1327 /* attach demod + tuner combo */
1328 tda10071_pdata.clk = 40444000, /* 40.444 MHz */
1329 tda10071_pdata.i2c_wr_max = 64,
1330 tda10071_pdata.ts_mode = TDA10071_TS_SERIAL,
1331 tda10071_pdata.pll_multiplier = 20,
1332 tda10071_pdata.tuner_i2c_addr = 0x14,
1333 memset(&board_info, 0, sizeof(board_info));
1334 strlcpy(board_info.type, "tda10071_cx24118", I2C_NAME_SIZE);
1335 board_info.addr = 0x55;
1336 board_info.platform_data = &tda10071_pdata;
1337 request_module("tda10071");
1338 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info);
1339 if (client == NULL || client->dev.driver == NULL) {
1340 result = -ENODEV;
1341 goto out_free;
1342 }
1343 if (!try_module_get(client->dev.driver->owner)) {
1344 i2c_unregister_device(client);
1345 result = -ENODEV;
1346 goto out_free;
1347 }
1348 dvb->fe[0] = tda10071_pdata.get_dvb_frontend(client);
1349 dvb->i2c_client_demod = client;
1350
1351 /* attach SEC */
1352 a8293_pdata.dvb_frontend = dvb->fe[0];
1353 memset(&board_info, 0, sizeof(board_info));
1354 strlcpy(board_info.type, "a8293", I2C_NAME_SIZE);
1355 board_info.addr = 0x08;
1356 board_info.platform_data = &a8293_pdata;
1357 request_module("a8293");
1358 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info);
1359 if (client == NULL || client->dev.driver == NULL) {
1360 module_put(dvb->i2c_client_demod->dev.driver->owner);
1361 i2c_unregister_device(dvb->i2c_client_demod);
1362 result = -ENODEV;
1363 goto out_free;
1364 }
1365 if (!try_module_get(client->dev.driver->owner)) {
1366 i2c_unregister_device(client);
1367 module_put(dvb->i2c_client_demod->dev.driver->owner);
1368 i2c_unregister_device(dvb->i2c_client_demod);
1369 result = -ENODEV;
1370 goto out_free;
1371 }
1372 dvb->i2c_client_sec = client;
1373 break;
1374 }
1375 case EM2874_BOARD_DELOCK_61959:
1376 case EM2874_BOARD_MAXMEDIA_UB425_TC:
1377 /* attach demodulator */
1378 dvb->fe[0] = dvb_attach(drxk_attach, &maxmedia_ub425_tc_drxk,
1379 &dev->i2c_adap[dev->def_i2c_bus]);
1380
1381 if (dvb->fe[0]) {
1382 /* disable I2C-gate */
1383 dvb->fe[0]->ops.i2c_gate_ctrl = NULL;
1384
1385 /* attach tuner */
1386 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1387 &dev->i2c_adap[dev->def_i2c_bus],
1388 &em28xx_cxd2820r_tda18271_config)) {
1389 dvb_frontend_detach(dvb->fe[0]);
1390 result = -EINVAL;
1391 goto out_free;
1392 }
1393 }
1394 break;
1395 case EM2884_BOARD_PCTV_510E:
1396 case EM2884_BOARD_PCTV_520E:
1397 pctv_520e_init(dev);
1398
1399 /* attach demodulator */
1400 dvb->fe[0] = dvb_attach(drxk_attach, &pctv_520e_drxk,
1401 &dev->i2c_adap[dev->def_i2c_bus]);
1402
1403 if (dvb->fe[0]) {
1404 /* attach tuner */
1405 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1406 &dev->i2c_adap[dev->def_i2c_bus],
1407 &em28xx_cxd2820r_tda18271_config)) {
1408 dvb_frontend_detach(dvb->fe[0]);
1409 result = -EINVAL;
1410 goto out_free;
1411 }
1412 }
1413 break;
1414 case EM2884_BOARD_ELGATO_EYETV_HYBRID_2008:
1415 case EM2884_BOARD_CINERGY_HTC_STICK:
1416 terratec_htc_stick_init(dev);
1417
1418 /* attach demodulator */
1419 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,
1420 &dev->i2c_adap[dev->def_i2c_bus]);
1421 if (!dvb->fe[0]) {
1422 result = -EINVAL;
1423 goto out_free;
1424 }
1425
1426 /* Attach the demodulator. */
1427 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1428 &dev->i2c_adap[dev->def_i2c_bus],
1429 &em28xx_cxd2820r_tda18271_config)) {
1430 result = -EINVAL;
1431 goto out_free;
1432 }
1433 break;
1434 case EM2884_BOARD_TERRATEC_HTC_USB_XS:
1435 terratec_htc_usb_xs_init(dev);
1436
1437 /* attach demodulator */
1438 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,
1439 &dev->i2c_adap[dev->def_i2c_bus]);
1440 if (!dvb->fe[0]) {
1441 result = -EINVAL;
1442 goto out_free;
1443 }
1444
1445 /* Attach the demodulator. */
1446 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1447 &dev->i2c_adap[dev->def_i2c_bus],
1448 &em28xx_cxd2820r_tda18271_config)) {
1449 result = -EINVAL;
1450 goto out_free;
1451 }
1452 break;
1453 case EM2874_BOARD_KWORLD_UB435Q_V2:
1454 dvb->fe[0] = dvb_attach(lgdt3305_attach,
1455 &em2874_lgdt3305_dev,
1456 &dev->i2c_adap[dev->def_i2c_bus]);
1457 if (!dvb->fe[0]) {
1458 result = -EINVAL;
1459 goto out_free;
1460 }
1461
1462 /* Attach the demodulator. */
1463 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1464 &dev->i2c_adap[dev->def_i2c_bus],
1465 &kworld_ub435q_v2_config)) {
1466 result = -EINVAL;
1467 goto out_free;
1468 }
1469 break;
1470 case EM2874_BOARD_KWORLD_UB435Q_V3:
1471 {
1472 struct i2c_client *client;
1473 struct i2c_adapter *adapter = &dev->i2c_adap[dev->def_i2c_bus];
1474 struct i2c_board_info board_info = {
1475 .type = "tda18212",
1476 .addr = 0x60,
1477 .platform_data = &kworld_ub435q_v3_config,
1478 };
1479
1480 dvb->fe[0] = dvb_attach(lgdt3305_attach,
1481 &em2874_lgdt3305_nogate_dev,
1482 &dev->i2c_adap[dev->def_i2c_bus]);
1483 if (!dvb->fe[0]) {
1484 result = -EINVAL;
1485 goto out_free;
1486 }
1487
1488 /* attach tuner */
1489 kworld_ub435q_v3_config.fe = dvb->fe[0];
1490 request_module("tda18212");
1491 client = i2c_new_device(adapter, &board_info);
1492 if (client == NULL || client->dev.driver == NULL) {
1493 dvb_frontend_detach(dvb->fe[0]);
1494 result = -ENODEV;
1495 goto out_free;
1496 }
1497
1498 if (!try_module_get(client->dev.driver->owner)) {
1499 i2c_unregister_device(client);
1500 dvb_frontend_detach(dvb->fe[0]);
1501 result = -ENODEV;
1502 goto out_free;
1503 }
1504
1505 dvb->i2c_client_tuner = client;
1506 break;
1507 }
1508 case EM2874_BOARD_PCTV_HD_MINI_80E:
1509 dvb->fe[0] = dvb_attach(drx39xxj_attach, &dev->i2c_adap[dev->def_i2c_bus]);
1510 if (dvb->fe[0] != NULL) {
1511 dvb->fe[0] = dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1512 &dev->i2c_adap[dev->def_i2c_bus],
1513 &pinnacle_80e_dvb_config);
1514 if (!dvb->fe[0]) {
1515 result = -EINVAL;
1516 goto out_free;
1517 }
1518 }
1519 break;
1520 case EM28178_BOARD_PCTV_461E: {
1521 struct i2c_client *client;
1522 struct i2c_adapter *i2c_adapter;
1523 struct i2c_board_info board_info;
1524 struct m88ds3103_platform_data m88ds3103_pdata = {};
1525 struct ts2020_config ts2020_config = {};
1526 struct a8293_platform_data a8293_pdata = {};
1527
1528 /* attach demod */
1529 m88ds3103_pdata.clk = 27000000;
1530 m88ds3103_pdata.i2c_wr_max = 33;
1531 m88ds3103_pdata.ts_mode = M88DS3103_TS_PARALLEL;
1532 m88ds3103_pdata.ts_clk = 16000;
1533 m88ds3103_pdata.ts_clk_pol = 1;
1534 m88ds3103_pdata.agc = 0x99;
1535 memset(&board_info, 0, sizeof(board_info));
1536 strlcpy(board_info.type, "m88ds3103", I2C_NAME_SIZE);
1537 board_info.addr = 0x68;
1538 board_info.platform_data = &m88ds3103_pdata;
1539 request_module("m88ds3103");
1540 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info);
1541 if (client == NULL || client->dev.driver == NULL) {
1542 result = -ENODEV;
1543 goto out_free;
1544 }
1545 if (!try_module_get(client->dev.driver->owner)) {
1546 i2c_unregister_device(client);
1547 result = -ENODEV;
1548 goto out_free;
1549 }
1550 dvb->fe[0] = m88ds3103_pdata.get_dvb_frontend(client);
1551 i2c_adapter = m88ds3103_pdata.get_i2c_adapter(client);
1552 dvb->i2c_client_demod = client;
1553
1554 /* attach tuner */
1555 ts2020_config.fe = dvb->fe[0];
1556 memset(&board_info, 0, sizeof(board_info));
1557 strlcpy(board_info.type, "ts2022", I2C_NAME_SIZE);
1558 board_info.addr = 0x60;
1559 board_info.platform_data = &ts2020_config;
1560 request_module("ts2020");
1561 client = i2c_new_device(i2c_adapter, &board_info);
1562 if (client == NULL || client->dev.driver == NULL) {
1563 module_put(dvb->i2c_client_demod->dev.driver->owner);
1564 i2c_unregister_device(dvb->i2c_client_demod);
1565 result = -ENODEV;
1566 goto out_free;
1567 }
1568 if (!try_module_get(client->dev.driver->owner)) {
1569 i2c_unregister_device(client);
1570 module_put(dvb->i2c_client_demod->dev.driver->owner);
1571 i2c_unregister_device(dvb->i2c_client_demod);
1572 result = -ENODEV;
1573 goto out_free;
1574 }
1575 dvb->i2c_client_tuner = client;
1576 /* delegate signal strength measurement to tuner */
1577 dvb->fe[0]->ops.read_signal_strength =
1578 dvb->fe[0]->ops.tuner_ops.get_rf_strength;
1579
1580 /* attach SEC */
1581 a8293_pdata.dvb_frontend = dvb->fe[0];
1582 memset(&board_info, 0, sizeof(board_info));
1583 strlcpy(board_info.type, "a8293", I2C_NAME_SIZE);
1584 board_info.addr = 0x08;
1585 board_info.platform_data = &a8293_pdata;
1586 request_module("a8293");
1587 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info);
1588 if (client == NULL || client->dev.driver == NULL) {
1589 module_put(dvb->i2c_client_tuner->dev.driver->owner);
1590 i2c_unregister_device(dvb->i2c_client_tuner);
1591 module_put(dvb->i2c_client_demod->dev.driver->owner);
1592 i2c_unregister_device(dvb->i2c_client_demod);
1593 result = -ENODEV;
1594 goto out_free;
1595 }
1596 if (!try_module_get(client->dev.driver->owner)) {
1597 i2c_unregister_device(client);
1598 module_put(dvb->i2c_client_tuner->dev.driver->owner);
1599 i2c_unregister_device(dvb->i2c_client_tuner);
1600 module_put(dvb->i2c_client_demod->dev.driver->owner);
1601 i2c_unregister_device(dvb->i2c_client_demod);
1602 result = -ENODEV;
1603 goto out_free;
1604 }
1605 dvb->i2c_client_sec = client;
1606 break;
1607 }
1608 case EM28178_BOARD_PCTV_292E:
1609 {
1610 struct i2c_adapter *adapter;
1611 struct i2c_client *client;
1612 struct i2c_board_info info;
1613 struct si2168_config si2168_config;
1614 struct si2157_config si2157_config;
1615
1616 /* attach demod */
1617 memset(&si2168_config, 0, sizeof(si2168_config));
1618 si2168_config.i2c_adapter = &adapter;
1619 si2168_config.fe = &dvb->fe[0];
1620 si2168_config.ts_mode = SI2168_TS_PARALLEL;
1621 memset(&info, 0, sizeof(struct i2c_board_info));
1622 strlcpy(info.type, "si2168", I2C_NAME_SIZE);
1623 info.addr = 0x64;
1624 info.platform_data = &si2168_config;
1625 request_module(info.type);
1626 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info);
1627 if (client == NULL || client->dev.driver == NULL) {
1628 result = -ENODEV;
1629 goto out_free;
1630 }
1631
1632 if (!try_module_get(client->dev.driver->owner)) {
1633 i2c_unregister_device(client);
1634 result = -ENODEV;
1635 goto out_free;
1636 }
1637
1638 dvb->i2c_client_demod = client;
1639
1640 /* attach tuner */
1641 memset(&si2157_config, 0, sizeof(si2157_config));
1642 si2157_config.fe = dvb->fe[0];
1643 si2157_config.if_port = 1;
1644 memset(&info, 0, sizeof(struct i2c_board_info));
1645 strlcpy(info.type, "si2157", I2C_NAME_SIZE);
1646 info.addr = 0x60;
1647 info.platform_data = &si2157_config;
1648 request_module(info.type);
1649 client = i2c_new_device(adapter, &info);
1650 if (client == NULL || client->dev.driver == NULL) {
1651 module_put(dvb->i2c_client_demod->dev.driver->owner);
1652 i2c_unregister_device(dvb->i2c_client_demod);
1653 result = -ENODEV;
1654 goto out_free;
1655 }
1656
1657 if (!try_module_get(client->dev.driver->owner)) {
1658 i2c_unregister_device(client);
1659 module_put(dvb->i2c_client_demod->dev.driver->owner);
1660 i2c_unregister_device(dvb->i2c_client_demod);
1661 result = -ENODEV;
1662 goto out_free;
1663 }
1664
1665 dvb->i2c_client_tuner = client;
1666 dvb->fe[0]->ops.set_lna = em28xx_pctv_292e_set_lna;
1667 }
1668 break;
1669 case EM28178_BOARD_TERRATEC_T2_STICK_HD:
1670 {
1671 struct i2c_adapter *adapter;
1672 struct i2c_client *client;
1673 struct i2c_board_info info;
1674 struct si2168_config si2168_config;
1675 struct si2157_config si2157_config;
1676
1677 /* attach demod */
1678 memset(&si2168_config, 0, sizeof(si2168_config));
1679 si2168_config.i2c_adapter = &adapter;
1680 si2168_config.fe = &dvb->fe[0];
1681 si2168_config.ts_mode = SI2168_TS_PARALLEL;
1682 memset(&info, 0, sizeof(struct i2c_board_info));
1683 strlcpy(info.type, "si2168", I2C_NAME_SIZE);
1684 info.addr = 0x64;
1685 info.platform_data = &si2168_config;
1686 request_module(info.type);
1687 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info);
1688 if (client == NULL || client->dev.driver == NULL) {
1689 result = -ENODEV;
1690 goto out_free;
1691 }
1692
1693 if (!try_module_get(client->dev.driver->owner)) {
1694 i2c_unregister_device(client);
1695 result = -ENODEV;
1696 goto out_free;
1697 }
1698
1699 dvb->i2c_client_demod = client;
1700
1701 /* attach tuner */
1702 memset(&si2157_config, 0, sizeof(si2157_config));
1703 si2157_config.fe = dvb->fe[0];
1704 si2157_config.if_port = 0;
1705 memset(&info, 0, sizeof(struct i2c_board_info));
1706 strlcpy(info.type, "si2146", I2C_NAME_SIZE);
1707 info.addr = 0x60;
1708 info.platform_data = &si2157_config;
1709 request_module("si2157");
1710 client = i2c_new_device(adapter, &info);
1711 if (client == NULL || client->dev.driver == NULL) {
1712 module_put(dvb->i2c_client_demod->dev.driver->owner);
1713 i2c_unregister_device(dvb->i2c_client_demod);
1714 result = -ENODEV;
1715 goto out_free;
1716 }
1717
1718 if (!try_module_get(client->dev.driver->owner)) {
1719 i2c_unregister_device(client);
1720 module_put(dvb->i2c_client_demod->dev.driver->owner);
1721 i2c_unregister_device(dvb->i2c_client_demod);
1722 result = -ENODEV;
1723 goto out_free;
1724 }
1725
1726 dvb->i2c_client_tuner = client;
1727 }
1728 break;
1729 default:
1730 em28xx_errdev("/2: The frontend of your DVB/ATSC card"
1731 " isn't supported yet\n");
1732 break;
1733 }
1734 if (NULL == dvb->fe[0]) {
1735 em28xx_errdev("/2: frontend initialization failed\n");
1736 result = -EINVAL;
1737 goto out_free;
1738 }
1739 /* define general-purpose callback pointer */
1740 dvb->fe[0]->callback = em28xx_tuner_callback;
1741 if (dvb->fe[1])
1742 dvb->fe[1]->callback = em28xx_tuner_callback;
1743
1744 /* register everything */
1745 result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
1746
1747 if (result < 0)
1748 goto out_free;
1749
1750 em28xx_info("DVB extension successfully initialized\n");
1751
1752 kref_get(&dev->ref);
1753
1754 ret:
1755 em28xx_set_mode(dev, EM28XX_SUSPEND);
1756 mutex_unlock(&dev->lock);
1757 return result;
1758
1759 out_free:
1760 kfree(dvb);
1761 dev->dvb = NULL;
1762 goto ret;
1763 }
1764
1765 static inline void prevent_sleep(struct dvb_frontend_ops *ops)
1766 {
1767 ops->set_voltage = NULL;
1768 ops->sleep = NULL;
1769 ops->tuner_ops.sleep = NULL;
1770 }
1771
1772 static int em28xx_dvb_fini(struct em28xx *dev)
1773 {
1774 struct em28xx_dvb *dvb;
1775 struct i2c_client *client;
1776
1777 if (dev->is_audio_only) {
1778 /* Shouldn't initialize IR for this interface */
1779 return 0;
1780 }
1781
1782 if (!dev->board.has_dvb) {
1783 /* This device does not support the extension */
1784 return 0;
1785 }
1786
1787 if (!dev->dvb)
1788 return 0;
1789
1790 em28xx_info("Closing DVB extension\n");
1791
1792 dvb = dev->dvb;
1793
1794 em28xx_uninit_usb_xfer(dev, EM28XX_DIGITAL_MODE);
1795
1796 if (dev->disconnected) {
1797 /* We cannot tell the device to sleep
1798 * once it has been unplugged. */
1799 if (dvb->fe[0]) {
1800 prevent_sleep(&dvb->fe[0]->ops);
1801 dvb->fe[0]->exit = DVB_FE_DEVICE_REMOVED;
1802 }
1803 if (dvb->fe[1]) {
1804 prevent_sleep(&dvb->fe[1]->ops);
1805 dvb->fe[1]->exit = DVB_FE_DEVICE_REMOVED;
1806 }
1807 }
1808
1809 /* remove I2C SEC */
1810 client = dvb->i2c_client_sec;
1811 if (client) {
1812 module_put(client->dev.driver->owner);
1813 i2c_unregister_device(client);
1814 }
1815
1816 /* remove I2C tuner */
1817 client = dvb->i2c_client_tuner;
1818 if (client) {
1819 module_put(client->dev.driver->owner);
1820 i2c_unregister_device(client);
1821 }
1822
1823 /* remove I2C demod */
1824 client = dvb->i2c_client_demod;
1825 if (client) {
1826 module_put(client->dev.driver->owner);
1827 i2c_unregister_device(client);
1828 }
1829
1830 em28xx_unregister_dvb(dvb);
1831 kfree(dvb);
1832 dev->dvb = NULL;
1833 kref_put(&dev->ref, em28xx_free_device);
1834
1835 return 0;
1836 }
1837
1838 static int em28xx_dvb_suspend(struct em28xx *dev)
1839 {
1840 int ret = 0;
1841
1842 if (dev->is_audio_only)
1843 return 0;
1844
1845 if (!dev->board.has_dvb)
1846 return 0;
1847
1848 em28xx_info("Suspending DVB extension\n");
1849 if (dev->dvb) {
1850 struct em28xx_dvb *dvb = dev->dvb;
1851
1852 if (dvb->fe[0]) {
1853 ret = dvb_frontend_suspend(dvb->fe[0]);
1854 em28xx_info("fe0 suspend %d\n", ret);
1855 }
1856 if (dvb->fe[1]) {
1857 dvb_frontend_suspend(dvb->fe[1]);
1858 em28xx_info("fe1 suspend %d\n", ret);
1859 }
1860 }
1861
1862 return 0;
1863 }
1864
1865 static int em28xx_dvb_resume(struct em28xx *dev)
1866 {
1867 int ret = 0;
1868
1869 if (dev->is_audio_only)
1870 return 0;
1871
1872 if (!dev->board.has_dvb)
1873 return 0;
1874
1875 em28xx_info("Resuming DVB extension\n");
1876 if (dev->dvb) {
1877 struct em28xx_dvb *dvb = dev->dvb;
1878
1879 if (dvb->fe[0]) {
1880 ret = dvb_frontend_resume(dvb->fe[0]);
1881 em28xx_info("fe0 resume %d\n", ret);
1882 }
1883
1884 if (dvb->fe[1]) {
1885 ret = dvb_frontend_resume(dvb->fe[1]);
1886 em28xx_info("fe1 resume %d\n", ret);
1887 }
1888 }
1889
1890 return 0;
1891 }
1892
1893 static struct em28xx_ops dvb_ops = {
1894 .id = EM28XX_DVB,
1895 .name = "Em28xx dvb Extension",
1896 .init = em28xx_dvb_init,
1897 .fini = em28xx_dvb_fini,
1898 .suspend = em28xx_dvb_suspend,
1899 .resume = em28xx_dvb_resume,
1900 };
1901
1902 static int __init em28xx_dvb_register(void)
1903 {
1904 return em28xx_register_extension(&dvb_ops);
1905 }
1906
1907 static void __exit em28xx_dvb_unregister(void)
1908 {
1909 em28xx_unregister_extension(&dvb_ops);
1910 }
1911
1912 module_init(em28xx_dvb_register);
1913 module_exit(em28xx_dvb_unregister);
Linux with added FPC-III support