xref: /linux/drivers/media/pci/cx23885/cx23885-dvb.c (revision 3932b9ca55b0be314a36d3e84faff3e823c081f5)
1 /*
2  *  Driver for the Conexant CX23885 PCIe bridge
3  *
4  *  Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 2 of the License, or
9  *  (at your option) any later version.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *
15  *  GNU General Public License for more details.
16  *
17  *  You should have received a copy of the GNU General Public License
18  *  along with this program; if not, write to the Free Software
19  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20  */
21 
22 #include <linux/module.h>
23 #include <linux/init.h>
24 #include <linux/device.h>
25 #include <linux/fs.h>
26 #include <linux/kthread.h>
27 #include <linux/file.h>
28 #include <linux/suspend.h>
29 
30 #include "cx23885.h"
31 #include <media/v4l2-common.h>
32 
33 #include "dvb_ca_en50221.h"
34 #include "s5h1409.h"
35 #include "s5h1411.h"
36 #include "mt2131.h"
37 #include "tda8290.h"
38 #include "tda18271.h"
39 #include "lgdt330x.h"
40 #include "xc4000.h"
41 #include "xc5000.h"
42 #include "max2165.h"
43 #include "tda10048.h"
44 #include "tuner-xc2028.h"
45 #include "tuner-simple.h"
46 #include "dib7000p.h"
47 #include "dib0070.h"
48 #include "dibx000_common.h"
49 #include "zl10353.h"
50 #include "stv0900.h"
51 #include "stv0900_reg.h"
52 #include "stv6110.h"
53 #include "lnbh24.h"
54 #include "cx24116.h"
55 #include "cx24117.h"
56 #include "cimax2.h"
57 #include "lgs8gxx.h"
58 #include "netup-eeprom.h"
59 #include "netup-init.h"
60 #include "lgdt3305.h"
61 #include "atbm8830.h"
62 #include "ts2020.h"
63 #include "ds3000.h"
64 #include "cx23885-f300.h"
65 #include "altera-ci.h"
66 #include "stv0367.h"
67 #include "drxk.h"
68 #include "mt2063.h"
69 #include "stv090x.h"
70 #include "stb6100.h"
71 #include "stb6100_cfg.h"
72 #include "tda10071.h"
73 #include "a8293.h"
74 #include "mb86a20s.h"
75 #include "si2165.h"
76 
77 static unsigned int debug;
78 
79 #define dprintk(level, fmt, arg...)\
80 	do { if (debug >= level)\
81 		printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\
82 	} while (0)
83 
84 /* ------------------------------------------------------------------ */
85 
86 static unsigned int alt_tuner;
87 module_param(alt_tuner, int, 0644);
88 MODULE_PARM_DESC(alt_tuner, "Enable alternate tuner configuration");
89 
90 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
91 
92 /* ------------------------------------------------------------------ */
93 
94 static int dvb_buf_setup(struct videobuf_queue *q,
95 			 unsigned int *count, unsigned int *size)
96 {
97 	struct cx23885_tsport *port = q->priv_data;
98 
99 	port->ts_packet_size  = 188 * 4;
100 	port->ts_packet_count = 32;
101 
102 	*size  = port->ts_packet_size * port->ts_packet_count;
103 	*count = 32;
104 	return 0;
105 }
106 
107 static int dvb_buf_prepare(struct videobuf_queue *q,
108 			   struct videobuf_buffer *vb, enum v4l2_field field)
109 {
110 	struct cx23885_tsport *port = q->priv_data;
111 	return cx23885_buf_prepare(q, port, (struct cx23885_buffer *)vb, field);
112 }
113 
114 static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
115 {
116 	struct cx23885_tsport *port = q->priv_data;
117 	cx23885_buf_queue(port, (struct cx23885_buffer *)vb);
118 }
119 
120 static void dvb_buf_release(struct videobuf_queue *q,
121 			    struct videobuf_buffer *vb)
122 {
123 	cx23885_free_buffer(q, (struct cx23885_buffer *)vb);
124 }
125 
126 static void cx23885_dvb_gate_ctrl(struct cx23885_tsport  *port, int open)
127 {
128 	struct videobuf_dvb_frontends *f;
129 	struct videobuf_dvb_frontend *fe;
130 
131 	f = &port->frontends;
132 
133 	if (f->gate <= 1) /* undefined or fe0 */
134 		fe = videobuf_dvb_get_frontend(f, 1);
135 	else
136 		fe = videobuf_dvb_get_frontend(f, f->gate);
137 
138 	if (fe && fe->dvb.frontend && fe->dvb.frontend->ops.i2c_gate_ctrl)
139 		fe->dvb.frontend->ops.i2c_gate_ctrl(fe->dvb.frontend, open);
140 }
141 
142 static struct videobuf_queue_ops dvb_qops = {
143 	.buf_setup    = dvb_buf_setup,
144 	.buf_prepare  = dvb_buf_prepare,
145 	.buf_queue    = dvb_buf_queue,
146 	.buf_release  = dvb_buf_release,
147 };
148 
149 static struct s5h1409_config hauppauge_generic_config = {
150 	.demod_address = 0x32 >> 1,
151 	.output_mode   = S5H1409_SERIAL_OUTPUT,
152 	.gpio          = S5H1409_GPIO_ON,
153 	.qam_if        = 44000,
154 	.inversion     = S5H1409_INVERSION_OFF,
155 	.status_mode   = S5H1409_DEMODLOCKING,
156 	.mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
157 };
158 
159 static struct tda10048_config hauppauge_hvr1200_config = {
160 	.demod_address    = 0x10 >> 1,
161 	.output_mode      = TDA10048_SERIAL_OUTPUT,
162 	.fwbulkwritelen   = TDA10048_BULKWRITE_200,
163 	.inversion        = TDA10048_INVERSION_ON,
164 	.dtv6_if_freq_khz = TDA10048_IF_3300,
165 	.dtv7_if_freq_khz = TDA10048_IF_3800,
166 	.dtv8_if_freq_khz = TDA10048_IF_4300,
167 	.clk_freq_khz     = TDA10048_CLK_16000,
168 };
169 
170 static struct tda10048_config hauppauge_hvr1210_config = {
171 	.demod_address    = 0x10 >> 1,
172 	.output_mode      = TDA10048_SERIAL_OUTPUT,
173 	.fwbulkwritelen   = TDA10048_BULKWRITE_200,
174 	.inversion        = TDA10048_INVERSION_ON,
175 	.dtv6_if_freq_khz = TDA10048_IF_3300,
176 	.dtv7_if_freq_khz = TDA10048_IF_3500,
177 	.dtv8_if_freq_khz = TDA10048_IF_4000,
178 	.clk_freq_khz     = TDA10048_CLK_16000,
179 };
180 
181 static struct s5h1409_config hauppauge_ezqam_config = {
182 	.demod_address = 0x32 >> 1,
183 	.output_mode   = S5H1409_SERIAL_OUTPUT,
184 	.gpio          = S5H1409_GPIO_OFF,
185 	.qam_if        = 4000,
186 	.inversion     = S5H1409_INVERSION_ON,
187 	.status_mode   = S5H1409_DEMODLOCKING,
188 	.mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
189 };
190 
191 static struct s5h1409_config hauppauge_hvr1800lp_config = {
192 	.demod_address = 0x32 >> 1,
193 	.output_mode   = S5H1409_SERIAL_OUTPUT,
194 	.gpio          = S5H1409_GPIO_OFF,
195 	.qam_if        = 44000,
196 	.inversion     = S5H1409_INVERSION_OFF,
197 	.status_mode   = S5H1409_DEMODLOCKING,
198 	.mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
199 };
200 
201 static struct s5h1409_config hauppauge_hvr1500_config = {
202 	.demod_address = 0x32 >> 1,
203 	.output_mode   = S5H1409_SERIAL_OUTPUT,
204 	.gpio          = S5H1409_GPIO_OFF,
205 	.inversion     = S5H1409_INVERSION_OFF,
206 	.status_mode   = S5H1409_DEMODLOCKING,
207 	.mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
208 };
209 
210 static struct mt2131_config hauppauge_generic_tunerconfig = {
211 	0x61
212 };
213 
214 static struct lgdt330x_config fusionhdtv_5_express = {
215 	.demod_address = 0x0e,
216 	.demod_chip = LGDT3303,
217 	.serial_mpeg = 0x40,
218 };
219 
220 static struct s5h1409_config hauppauge_hvr1500q_config = {
221 	.demod_address = 0x32 >> 1,
222 	.output_mode   = S5H1409_SERIAL_OUTPUT,
223 	.gpio          = S5H1409_GPIO_ON,
224 	.qam_if        = 44000,
225 	.inversion     = S5H1409_INVERSION_OFF,
226 	.status_mode   = S5H1409_DEMODLOCKING,
227 	.mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
228 };
229 
230 static struct s5h1409_config dvico_s5h1409_config = {
231 	.demod_address = 0x32 >> 1,
232 	.output_mode   = S5H1409_SERIAL_OUTPUT,
233 	.gpio          = S5H1409_GPIO_ON,
234 	.qam_if        = 44000,
235 	.inversion     = S5H1409_INVERSION_OFF,
236 	.status_mode   = S5H1409_DEMODLOCKING,
237 	.mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
238 };
239 
240 static struct s5h1411_config dvico_s5h1411_config = {
241 	.output_mode   = S5H1411_SERIAL_OUTPUT,
242 	.gpio          = S5H1411_GPIO_ON,
243 	.qam_if        = S5H1411_IF_44000,
244 	.vsb_if        = S5H1411_IF_44000,
245 	.inversion     = S5H1411_INVERSION_OFF,
246 	.status_mode   = S5H1411_DEMODLOCKING,
247 	.mpeg_timing   = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
248 };
249 
250 static struct s5h1411_config hcw_s5h1411_config = {
251 	.output_mode   = S5H1411_SERIAL_OUTPUT,
252 	.gpio          = S5H1411_GPIO_OFF,
253 	.vsb_if        = S5H1411_IF_44000,
254 	.qam_if        = S5H1411_IF_4000,
255 	.inversion     = S5H1411_INVERSION_ON,
256 	.status_mode   = S5H1411_DEMODLOCKING,
257 	.mpeg_timing   = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
258 };
259 
260 static struct xc5000_config hauppauge_hvr1500q_tunerconfig = {
261 	.i2c_address      = 0x61,
262 	.if_khz           = 5380,
263 };
264 
265 static struct xc5000_config dvico_xc5000_tunerconfig = {
266 	.i2c_address      = 0x64,
267 	.if_khz           = 5380,
268 };
269 
270 static struct tda829x_config tda829x_no_probe = {
271 	.probe_tuner = TDA829X_DONT_PROBE,
272 };
273 
274 static struct tda18271_std_map hauppauge_tda18271_std_map = {
275 	.atsc_6   = { .if_freq = 5380, .agc_mode = 3, .std = 3,
276 		      .if_lvl = 6, .rfagc_top = 0x37 },
277 	.qam_6    = { .if_freq = 4000, .agc_mode = 3, .std = 0,
278 		      .if_lvl = 6, .rfagc_top = 0x37 },
279 };
280 
281 static struct tda18271_std_map hauppauge_hvr1200_tda18271_std_map = {
282 	.dvbt_6   = { .if_freq = 3300, .agc_mode = 3, .std = 4,
283 		      .if_lvl = 1, .rfagc_top = 0x37, },
284 	.dvbt_7   = { .if_freq = 3800, .agc_mode = 3, .std = 5,
285 		      .if_lvl = 1, .rfagc_top = 0x37, },
286 	.dvbt_8   = { .if_freq = 4300, .agc_mode = 3, .std = 6,
287 		      .if_lvl = 1, .rfagc_top = 0x37, },
288 };
289 
290 static struct tda18271_config hauppauge_tda18271_config = {
291 	.std_map = &hauppauge_tda18271_std_map,
292 	.gate    = TDA18271_GATE_ANALOG,
293 	.output_opt = TDA18271_OUTPUT_LT_OFF,
294 };
295 
296 static struct tda18271_config hauppauge_hvr1200_tuner_config = {
297 	.std_map = &hauppauge_hvr1200_tda18271_std_map,
298 	.gate    = TDA18271_GATE_ANALOG,
299 	.output_opt = TDA18271_OUTPUT_LT_OFF,
300 };
301 
302 static struct tda18271_config hauppauge_hvr1210_tuner_config = {
303 	.gate    = TDA18271_GATE_DIGITAL,
304 	.output_opt = TDA18271_OUTPUT_LT_OFF,
305 };
306 
307 static struct tda18271_config hauppauge_hvr4400_tuner_config = {
308 	.gate    = TDA18271_GATE_DIGITAL,
309 	.output_opt = TDA18271_OUTPUT_LT_OFF,
310 };
311 
312 static struct tda18271_std_map hauppauge_hvr127x_std_map = {
313 	.atsc_6   = { .if_freq = 3250, .agc_mode = 3, .std = 4,
314 		      .if_lvl = 1, .rfagc_top = 0x58 },
315 	.qam_6    = { .if_freq = 4000, .agc_mode = 3, .std = 5,
316 		      .if_lvl = 1, .rfagc_top = 0x58 },
317 };
318 
319 static struct tda18271_config hauppauge_hvr127x_config = {
320 	.std_map = &hauppauge_hvr127x_std_map,
321 	.output_opt = TDA18271_OUTPUT_LT_OFF,
322 };
323 
324 static struct lgdt3305_config hauppauge_lgdt3305_config = {
325 	.i2c_addr           = 0x0e,
326 	.mpeg_mode          = LGDT3305_MPEG_SERIAL,
327 	.tpclk_edge         = LGDT3305_TPCLK_FALLING_EDGE,
328 	.tpvalid_polarity   = LGDT3305_TP_VALID_HIGH,
329 	.deny_i2c_rptr      = 1,
330 	.spectral_inversion = 1,
331 	.qam_if_khz         = 4000,
332 	.vsb_if_khz         = 3250,
333 };
334 
335 static struct dibx000_agc_config xc3028_agc_config = {
336 	BAND_VHF | BAND_UHF,	/* band_caps */
337 
338 	/* P_agc_use_sd_mod1=0, P_agc_use_sd_mod2=0, P_agc_freq_pwm_div=0,
339 	 * P_agc_inv_pwm1=0, P_agc_inv_pwm2=0,
340 	 * P_agc_inh_dc_rv_est=0, P_agc_time_est=3, P_agc_freeze=0,
341 	 * P_agc_nb_est=2, P_agc_write=0
342 	 */
343 	(0 << 15) | (0 << 14) | (0 << 11) | (0 << 10) | (0 << 9) | (0 << 8) |
344 		(3 << 5) | (0 << 4) | (2 << 1) | (0 << 0), /* setup */
345 
346 	712,	/* inv_gain */
347 	21,	/* time_stabiliz */
348 
349 	0,	/* alpha_level */
350 	118,	/* thlock */
351 
352 	0,	/* wbd_inv */
353 	2867,	/* wbd_ref */
354 	0,	/* wbd_sel */
355 	2,	/* wbd_alpha */
356 
357 	0,	/* agc1_max */
358 	0,	/* agc1_min */
359 	39718,	/* agc2_max */
360 	9930,	/* agc2_min */
361 	0,	/* agc1_pt1 */
362 	0,	/* agc1_pt2 */
363 	0,	/* agc1_pt3 */
364 	0,	/* agc1_slope1 */
365 	0,	/* agc1_slope2 */
366 	0,	/* agc2_pt1 */
367 	128,	/* agc2_pt2 */
368 	29,	/* agc2_slope1 */
369 	29,	/* agc2_slope2 */
370 
371 	17,	/* alpha_mant */
372 	27,	/* alpha_exp */
373 	23,	/* beta_mant */
374 	51,	/* beta_exp */
375 
376 	1,	/* perform_agc_softsplit */
377 };
378 
379 /* PLL Configuration for COFDM BW_MHz = 8.000000
380  * With external clock = 30.000000 */
381 static struct dibx000_bandwidth_config xc3028_bw_config = {
382 	60000,	/* internal */
383 	30000,	/* sampling */
384 	1,	/* pll_cfg: prediv */
385 	8,	/* pll_cfg: ratio */
386 	3,	/* pll_cfg: range */
387 	1,	/* pll_cfg: reset */
388 	0,	/* pll_cfg: bypass */
389 	0,	/* misc: refdiv */
390 	0,	/* misc: bypclk_div */
391 	1,	/* misc: IO_CLK_en_core */
392 	1,	/* misc: ADClkSrc */
393 	0,	/* misc: modulo */
394 	(3 << 14) | (1 << 12) | (524 << 0), /* sad_cfg: refsel, sel, freq_15k */
395 	(1 << 25) | 5816102, /* ifreq = 5.200000 MHz */
396 	20452225, /* timf */
397 	30000000  /* xtal_hz */
398 };
399 
400 static struct dib7000p_config hauppauge_hvr1400_dib7000_config = {
401 	.output_mpeg2_in_188_bytes = 1,
402 	.hostbus_diversity = 1,
403 	.tuner_is_baseband = 0,
404 	.update_lna  = NULL,
405 
406 	.agc_config_count = 1,
407 	.agc = &xc3028_agc_config,
408 	.bw  = &xc3028_bw_config,
409 
410 	.gpio_dir = DIB7000P_GPIO_DEFAULT_DIRECTIONS,
411 	.gpio_val = DIB7000P_GPIO_DEFAULT_VALUES,
412 	.gpio_pwm_pos = DIB7000P_GPIO_DEFAULT_PWM_POS,
413 
414 	.pwm_freq_div = 0,
415 	.agc_control  = NULL,
416 	.spur_protect = 0,
417 
418 	.output_mode = OUTMODE_MPEG2_SERIAL,
419 };
420 
421 static struct zl10353_config dvico_fusionhdtv_xc3028 = {
422 	.demod_address = 0x0f,
423 	.if2           = 45600,
424 	.no_tuner      = 1,
425 	.disable_i2c_gate_ctrl = 1,
426 };
427 
428 static struct stv0900_reg stv0900_ts_regs[] = {
429 	{ R0900_TSGENERAL, 0x00 },
430 	{ R0900_P1_TSSPEED, 0x40 },
431 	{ R0900_P2_TSSPEED, 0x40 },
432 	{ R0900_P1_TSCFGM, 0xc0 },
433 	{ R0900_P2_TSCFGM, 0xc0 },
434 	{ R0900_P1_TSCFGH, 0xe0 },
435 	{ R0900_P2_TSCFGH, 0xe0 },
436 	{ R0900_P1_TSCFGL, 0x20 },
437 	{ R0900_P2_TSCFGL, 0x20 },
438 	{ 0xffff, 0xff }, /* terminate */
439 };
440 
441 static struct stv0900_config netup_stv0900_config = {
442 	.demod_address = 0x68,
443 	.demod_mode = 1, /* dual */
444 	.xtal = 8000000,
445 	.clkmode = 3,/* 0-CLKI, 2-XTALI, else AUTO */
446 	.diseqc_mode = 2,/* 2/3 PWM */
447 	.ts_config_regs = stv0900_ts_regs,
448 	.tun1_maddress = 0,/* 0x60 */
449 	.tun2_maddress = 3,/* 0x63 */
450 	.tun1_adc = 1,/* 1 Vpp */
451 	.tun2_adc = 1,/* 1 Vpp */
452 };
453 
454 static struct stv6110_config netup_stv6110_tunerconfig_a = {
455 	.i2c_address = 0x60,
456 	.mclk = 16000000,
457 	.clk_div = 1,
458 	.gain = 8, /* +16 dB  - maximum gain */
459 };
460 
461 static struct stv6110_config netup_stv6110_tunerconfig_b = {
462 	.i2c_address = 0x63,
463 	.mclk = 16000000,
464 	.clk_div = 1,
465 	.gain = 8, /* +16 dB  - maximum gain */
466 };
467 
468 static struct cx24116_config tbs_cx24116_config = {
469 	.demod_address = 0x55,
470 };
471 
472 static struct cx24117_config tbs_cx24117_config = {
473 	.demod_address = 0x55,
474 };
475 
476 static struct ds3000_config tevii_ds3000_config = {
477 	.demod_address = 0x68,
478 };
479 
480 static struct ts2020_config tevii_ts2020_config  = {
481 	.tuner_address = 0x60,
482 	.clk_out_div = 1,
483 	.frequency_div = 1146000,
484 };
485 
486 static struct cx24116_config dvbworld_cx24116_config = {
487 	.demod_address = 0x05,
488 };
489 
490 static struct lgs8gxx_config mygica_x8506_lgs8gl5_config = {
491 	.prod = LGS8GXX_PROD_LGS8GL5,
492 	.demod_address = 0x19,
493 	.serial_ts = 0,
494 	.ts_clk_pol = 1,
495 	.ts_clk_gated = 1,
496 	.if_clk_freq = 30400, /* 30.4 MHz */
497 	.if_freq = 5380, /* 5.38 MHz */
498 	.if_neg_center = 1,
499 	.ext_adc = 0,
500 	.adc_signed = 0,
501 	.if_neg_edge = 0,
502 };
503 
504 static struct xc5000_config mygica_x8506_xc5000_config = {
505 	.i2c_address = 0x61,
506 	.if_khz = 5380,
507 };
508 
509 static struct mb86a20s_config mygica_x8507_mb86a20s_config = {
510 	.demod_address = 0x10,
511 };
512 
513 static struct xc5000_config mygica_x8507_xc5000_config = {
514 	.i2c_address = 0x61,
515 	.if_khz = 4000,
516 };
517 
518 static struct stv090x_config prof_8000_stv090x_config = {
519 	.device                 = STV0903,
520 	.demod_mode             = STV090x_SINGLE,
521 	.clk_mode               = STV090x_CLK_EXT,
522 	.xtal                   = 27000000,
523 	.address                = 0x6A,
524 	.ts1_mode               = STV090x_TSMODE_PARALLEL_PUNCTURED,
525 	.repeater_level         = STV090x_RPTLEVEL_64,
526 	.adc1_range             = STV090x_ADC_2Vpp,
527 	.diseqc_envelope_mode   = false,
528 
529 	.tuner_get_frequency    = stb6100_get_frequency,
530 	.tuner_set_frequency    = stb6100_set_frequency,
531 	.tuner_set_bandwidth    = stb6100_set_bandwidth,
532 	.tuner_get_bandwidth    = stb6100_get_bandwidth,
533 };
534 
535 static struct stb6100_config prof_8000_stb6100_config = {
536 	.tuner_address = 0x60,
537 	.refclock = 27000000,
538 };
539 
540 static int p8000_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
541 {
542 	struct cx23885_tsport *port = fe->dvb->priv;
543 	struct cx23885_dev *dev = port->dev;
544 
545 	if (voltage == SEC_VOLTAGE_18)
546 		cx_write(MC417_RWD, 0x00001e00);
547 	else if (voltage == SEC_VOLTAGE_13)
548 		cx_write(MC417_RWD, 0x00001a00);
549 	else
550 		cx_write(MC417_RWD, 0x00001800);
551 	return 0;
552 }
553 
554 static int cx23885_dvb_set_frontend(struct dvb_frontend *fe)
555 {
556 	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
557 	struct cx23885_tsport *port = fe->dvb->priv;
558 	struct cx23885_dev *dev = port->dev;
559 
560 	switch (dev->board) {
561 	case CX23885_BOARD_HAUPPAUGE_HVR1275:
562 		switch (p->modulation) {
563 		case VSB_8:
564 			cx23885_gpio_clear(dev, GPIO_5);
565 			break;
566 		case QAM_64:
567 		case QAM_256:
568 		default:
569 			cx23885_gpio_set(dev, GPIO_5);
570 			break;
571 		}
572 		break;
573 	case CX23885_BOARD_MYGICA_X8506:
574 	case CX23885_BOARD_MYGICA_X8507:
575 	case CX23885_BOARD_MAGICPRO_PROHDTVE2:
576 		/* Select Digital TV */
577 		cx23885_gpio_set(dev, GPIO_0);
578 		break;
579 	}
580 
581 	/* Call the real set_frontend */
582 	if (port->set_frontend)
583 		return port->set_frontend(fe);
584 
585 	return 0;
586 }
587 
588 static void cx23885_set_frontend_hook(struct cx23885_tsport *port,
589 				     struct dvb_frontend *fe)
590 {
591 	port->set_frontend = fe->ops.set_frontend;
592 	fe->ops.set_frontend = cx23885_dvb_set_frontend;
593 }
594 
595 static struct lgs8gxx_config magicpro_prohdtve2_lgs8g75_config = {
596 	.prod = LGS8GXX_PROD_LGS8G75,
597 	.demod_address = 0x19,
598 	.serial_ts = 0,
599 	.ts_clk_pol = 1,
600 	.ts_clk_gated = 1,
601 	.if_clk_freq = 30400, /* 30.4 MHz */
602 	.if_freq = 6500, /* 6.50 MHz */
603 	.if_neg_center = 1,
604 	.ext_adc = 0,
605 	.adc_signed = 1,
606 	.adc_vpp = 2, /* 1.6 Vpp */
607 	.if_neg_edge = 1,
608 };
609 
610 static struct xc5000_config magicpro_prohdtve2_xc5000_config = {
611 	.i2c_address = 0x61,
612 	.if_khz = 6500,
613 };
614 
615 static struct atbm8830_config mygica_x8558pro_atbm8830_cfg1 = {
616 	.prod = ATBM8830_PROD_8830,
617 	.demod_address = 0x44,
618 	.serial_ts = 0,
619 	.ts_sampling_edge = 1,
620 	.ts_clk_gated = 0,
621 	.osc_clk_freq = 30400, /* in kHz */
622 	.if_freq = 0, /* zero IF */
623 	.zif_swap_iq = 1,
624 	.agc_min = 0x2E,
625 	.agc_max = 0xFF,
626 	.agc_hold_loop = 0,
627 };
628 
629 static struct max2165_config mygic_x8558pro_max2165_cfg1 = {
630 	.i2c_address = 0x60,
631 	.osc_clk = 20
632 };
633 
634 static struct atbm8830_config mygica_x8558pro_atbm8830_cfg2 = {
635 	.prod = ATBM8830_PROD_8830,
636 	.demod_address = 0x44,
637 	.serial_ts = 1,
638 	.ts_sampling_edge = 1,
639 	.ts_clk_gated = 0,
640 	.osc_clk_freq = 30400, /* in kHz */
641 	.if_freq = 0, /* zero IF */
642 	.zif_swap_iq = 1,
643 	.agc_min = 0x2E,
644 	.agc_max = 0xFF,
645 	.agc_hold_loop = 0,
646 };
647 
648 static struct max2165_config mygic_x8558pro_max2165_cfg2 = {
649 	.i2c_address = 0x60,
650 	.osc_clk = 20
651 };
652 static struct stv0367_config netup_stv0367_config[] = {
653 	{
654 		.demod_address = 0x1c,
655 		.xtal = 27000000,
656 		.if_khz = 4500,
657 		.if_iq_mode = 0,
658 		.ts_mode = 1,
659 		.clk_pol = 0,
660 	}, {
661 		.demod_address = 0x1d,
662 		.xtal = 27000000,
663 		.if_khz = 4500,
664 		.if_iq_mode = 0,
665 		.ts_mode = 1,
666 		.clk_pol = 0,
667 	},
668 };
669 
670 static struct xc5000_config netup_xc5000_config[] = {
671 	{
672 		.i2c_address = 0x61,
673 		.if_khz = 4500,
674 	}, {
675 		.i2c_address = 0x64,
676 		.if_khz = 4500,
677 	},
678 };
679 
680 static struct drxk_config terratec_drxk_config[] = {
681 	{
682 		.adr = 0x29,
683 		.no_i2c_bridge = 1,
684 	}, {
685 		.adr = 0x2a,
686 		.no_i2c_bridge = 1,
687 	},
688 };
689 
690 static struct mt2063_config terratec_mt2063_config[] = {
691 	{
692 		.tuner_address = 0x60,
693 	}, {
694 		.tuner_address = 0x67,
695 	},
696 };
697 
698 static const struct tda10071_config hauppauge_tda10071_config = {
699 	.demod_i2c_addr = 0x05,
700 	.tuner_i2c_addr = 0x54,
701 	.i2c_wr_max = 64,
702 	.ts_mode = TDA10071_TS_SERIAL,
703 	.spec_inv = 0,
704 	.xtal = 40444000, /* 40.444 MHz */
705 	.pll_multiplier = 20,
706 };
707 
708 static const struct a8293_config hauppauge_a8293_config = {
709 	.i2c_addr = 0x0b,
710 };
711 
712 static const struct si2165_config hauppauge_hvr4400_si2165_config = {
713 	.i2c_addr	= 0x64,
714 	.chip_mode	= SI2165_MODE_PLL_XTAL,
715 	.ref_freq_Hz	= 16000000,
716 };
717 
718 static int netup_altera_fpga_rw(void *device, int flag, int data, int read)
719 {
720 	struct cx23885_dev *dev = (struct cx23885_dev *)device;
721 	unsigned long timeout = jiffies + msecs_to_jiffies(1);
722 	uint32_t mem = 0;
723 
724 	mem = cx_read(MC417_RWD);
725 	if (read)
726 		cx_set(MC417_OEN, ALT_DATA);
727 	else {
728 		cx_clear(MC417_OEN, ALT_DATA);/* D0-D7 out */
729 		mem &= ~ALT_DATA;
730 		mem |= (data & ALT_DATA);
731 	}
732 
733 	if (flag)
734 		mem |= ALT_AD_RG;
735 	else
736 		mem &= ~ALT_AD_RG;
737 
738 	mem &= ~ALT_CS;
739 	if (read)
740 		mem = (mem & ~ALT_RD) | ALT_WR;
741 	else
742 		mem = (mem & ~ALT_WR) | ALT_RD;
743 
744 	cx_write(MC417_RWD, mem);  /* start RW cycle */
745 
746 	for (;;) {
747 		mem = cx_read(MC417_RWD);
748 		if ((mem & ALT_RDY) == 0)
749 			break;
750 		if (time_after(jiffies, timeout))
751 			break;
752 		udelay(1);
753 	}
754 
755 	cx_set(MC417_RWD, ALT_RD | ALT_WR | ALT_CS);
756 	if (read)
757 		return mem & ALT_DATA;
758 
759 	return 0;
760 };
761 
762 static int dib7070_tuner_reset(struct dvb_frontend *fe, int onoff)
763 {
764 	struct dib7000p_ops *dib7000p_ops = fe->sec_priv;
765 
766 	return dib7000p_ops->set_gpio(fe, 8, 0, !onoff);
767 }
768 
769 static int dib7070_tuner_sleep(struct dvb_frontend *fe, int onoff)
770 {
771 	return 0;
772 }
773 
774 static struct dib0070_config dib7070p_dib0070_config = {
775 	.i2c_address = DEFAULT_DIB0070_I2C_ADDRESS,
776 	.reset = dib7070_tuner_reset,
777 	.sleep = dib7070_tuner_sleep,
778 	.clock_khz = 12000,
779 	.freq_offset_khz_vhf = 550,
780 	/* .flip_chip = 1, */
781 };
782 
783 /* DIB7070 generic */
784 static struct dibx000_agc_config dib7070_agc_config = {
785 	.band_caps = BAND_UHF | BAND_VHF | BAND_LBAND | BAND_SBAND,
786 
787 	/*
788 	 * P_agc_use_sd_mod1=0, P_agc_use_sd_mod2=0, P_agc_freq_pwm_div=5,
789 	 * P_agc_inv_pwm1=0, P_agc_inv_pwm2=0, P_agc_inh_dc_rv_est=0,
790 	 * P_agc_time_est=3, P_agc_freeze=0, P_agc_nb_est=5, P_agc_write=0
791 	 */
792 	.setup = (0 << 15) | (0 << 14) | (5 << 11) | (0 << 10) | (0 << 9) |
793 		 (0 << 8) | (3 << 5) | (0 << 4) | (5 << 1) | (0 << 0),
794 	.inv_gain = 600,
795 	.time_stabiliz = 10,
796 	.alpha_level = 0,
797 	.thlock = 118,
798 	.wbd_inv = 0,
799 	.wbd_ref = 3530,
800 	.wbd_sel = 1,
801 	.wbd_alpha = 5,
802 	.agc1_max = 65535,
803 	.agc1_min = 0,
804 	.agc2_max = 65535,
805 	.agc2_min = 0,
806 	.agc1_pt1 = 0,
807 	.agc1_pt2 = 40,
808 	.agc1_pt3 = 183,
809 	.agc1_slope1 = 206,
810 	.agc1_slope2 = 255,
811 	.agc2_pt1 = 72,
812 	.agc2_pt2 = 152,
813 	.agc2_slope1 = 88,
814 	.agc2_slope2 = 90,
815 	.alpha_mant = 17,
816 	.alpha_exp = 27,
817 	.beta_mant = 23,
818 	.beta_exp = 51,
819 	.perform_agc_softsplit = 0,
820 };
821 
822 static struct dibx000_bandwidth_config dib7070_bw_config_12_mhz = {
823 	.internal = 60000,
824 	.sampling = 15000,
825 	.pll_prediv = 1,
826 	.pll_ratio = 20,
827 	.pll_range = 3,
828 	.pll_reset = 1,
829 	.pll_bypass = 0,
830 	.enable_refdiv = 0,
831 	.bypclk_div = 0,
832 	.IO_CLK_en_core = 1,
833 	.ADClkSrc = 1,
834 	.modulo = 2,
835 	/* refsel, sel, freq_15k */
836 	.sad_cfg = (3 << 14) | (1 << 12) | (524 << 0),
837 	.ifreq = (0 << 25) | 0,
838 	.timf = 20452225,
839 	.xtal_hz = 12000000,
840 };
841 
842 static struct dib7000p_config dib7070p_dib7000p_config = {
843 	/* .output_mode = OUTMODE_MPEG2_FIFO, */
844 	.output_mode = OUTMODE_MPEG2_SERIAL,
845 	/* .output_mode = OUTMODE_MPEG2_PAR_GATED_CLK, */
846 	.output_mpeg2_in_188_bytes = 1,
847 
848 	.agc_config_count = 1,
849 	.agc = &dib7070_agc_config,
850 	.bw  = &dib7070_bw_config_12_mhz,
851 	.tuner_is_baseband = 1,
852 	.spur_protect = 1,
853 
854 	.gpio_dir = 0xfcef, /* DIB7000P_GPIO_DEFAULT_DIRECTIONS, */
855 	.gpio_val = 0x0110, /* DIB7000P_GPIO_DEFAULT_VALUES, */
856 	.gpio_pwm_pos = DIB7000P_GPIO_DEFAULT_PWM_POS,
857 
858 	.hostbus_diversity = 1,
859 };
860 
861 static int dvb_register(struct cx23885_tsport *port)
862 {
863 	struct dib7000p_ops dib7000p_ops;
864 	struct cx23885_dev *dev = port->dev;
865 	struct cx23885_i2c *i2c_bus = NULL, *i2c_bus2 = NULL;
866 	struct videobuf_dvb_frontend *fe0, *fe1 = NULL;
867 	int mfe_shared = 0; /* bus not shared by default */
868 	int ret;
869 
870 	/* Get the first frontend */
871 	fe0 = videobuf_dvb_get_frontend(&port->frontends, 1);
872 	if (!fe0)
873 		return -EINVAL;
874 
875 	/* init struct videobuf_dvb */
876 	fe0->dvb.name = dev->name;
877 
878 	/* multi-frontend gate control is undefined or defaults to fe0 */
879 	port->frontends.gate = 0;
880 
881 	/* Sets the gate control callback to be used by i2c command calls */
882 	port->gate_ctrl = cx23885_dvb_gate_ctrl;
883 
884 	/* init frontend */
885 	switch (dev->board) {
886 	case CX23885_BOARD_HAUPPAUGE_HVR1250:
887 		i2c_bus = &dev->i2c_bus[0];
888 		fe0->dvb.frontend = dvb_attach(s5h1409_attach,
889 						&hauppauge_generic_config,
890 						&i2c_bus->i2c_adap);
891 		if (fe0->dvb.frontend != NULL) {
892 			dvb_attach(mt2131_attach, fe0->dvb.frontend,
893 				   &i2c_bus->i2c_adap,
894 				   &hauppauge_generic_tunerconfig, 0);
895 		}
896 		break;
897 	case CX23885_BOARD_HAUPPAUGE_HVR1270:
898 	case CX23885_BOARD_HAUPPAUGE_HVR1275:
899 		i2c_bus = &dev->i2c_bus[0];
900 		fe0->dvb.frontend = dvb_attach(lgdt3305_attach,
901 					       &hauppauge_lgdt3305_config,
902 					       &i2c_bus->i2c_adap);
903 		if (fe0->dvb.frontend != NULL) {
904 			dvb_attach(tda18271_attach, fe0->dvb.frontend,
905 				   0x60, &dev->i2c_bus[1].i2c_adap,
906 				   &hauppauge_hvr127x_config);
907 		}
908 		if (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1275)
909 			cx23885_set_frontend_hook(port, fe0->dvb.frontend);
910 		break;
911 	case CX23885_BOARD_HAUPPAUGE_HVR1255:
912 	case CX23885_BOARD_HAUPPAUGE_HVR1255_22111:
913 		i2c_bus = &dev->i2c_bus[0];
914 		fe0->dvb.frontend = dvb_attach(s5h1411_attach,
915 					       &hcw_s5h1411_config,
916 					       &i2c_bus->i2c_adap);
917 		if (fe0->dvb.frontend != NULL) {
918 			dvb_attach(tda18271_attach, fe0->dvb.frontend,
919 				   0x60, &dev->i2c_bus[1].i2c_adap,
920 				   &hauppauge_tda18271_config);
921 		}
922 
923 		tda18271_attach(&dev->ts1.analog_fe,
924 			0x60, &dev->i2c_bus[1].i2c_adap,
925 			&hauppauge_tda18271_config);
926 
927 		break;
928 	case CX23885_BOARD_HAUPPAUGE_HVR1800:
929 		i2c_bus = &dev->i2c_bus[0];
930 		switch (alt_tuner) {
931 		case 1:
932 			fe0->dvb.frontend =
933 				dvb_attach(s5h1409_attach,
934 					   &hauppauge_ezqam_config,
935 					   &i2c_bus->i2c_adap);
936 			if (fe0->dvb.frontend != NULL) {
937 				dvb_attach(tda829x_attach, fe0->dvb.frontend,
938 					   &dev->i2c_bus[1].i2c_adap, 0x42,
939 					   &tda829x_no_probe);
940 				dvb_attach(tda18271_attach, fe0->dvb.frontend,
941 					   0x60, &dev->i2c_bus[1].i2c_adap,
942 					   &hauppauge_tda18271_config);
943 			}
944 			break;
945 		case 0:
946 		default:
947 			fe0->dvb.frontend =
948 				dvb_attach(s5h1409_attach,
949 					   &hauppauge_generic_config,
950 					   &i2c_bus->i2c_adap);
951 			if (fe0->dvb.frontend != NULL)
952 				dvb_attach(mt2131_attach, fe0->dvb.frontend,
953 					   &i2c_bus->i2c_adap,
954 					   &hauppauge_generic_tunerconfig, 0);
955 			break;
956 		}
957 		break;
958 	case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
959 		i2c_bus = &dev->i2c_bus[0];
960 		fe0->dvb.frontend = dvb_attach(s5h1409_attach,
961 						&hauppauge_hvr1800lp_config,
962 						&i2c_bus->i2c_adap);
963 		if (fe0->dvb.frontend != NULL) {
964 			dvb_attach(mt2131_attach, fe0->dvb.frontend,
965 				   &i2c_bus->i2c_adap,
966 				   &hauppauge_generic_tunerconfig, 0);
967 		}
968 		break;
969 	case CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP:
970 		i2c_bus = &dev->i2c_bus[0];
971 		fe0->dvb.frontend = dvb_attach(lgdt330x_attach,
972 						&fusionhdtv_5_express,
973 						&i2c_bus->i2c_adap);
974 		if (fe0->dvb.frontend != NULL) {
975 			dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
976 				   &i2c_bus->i2c_adap, 0x61,
977 				   TUNER_LG_TDVS_H06XF);
978 		}
979 		break;
980 	case CX23885_BOARD_HAUPPAUGE_HVR1500Q:
981 		i2c_bus = &dev->i2c_bus[1];
982 		fe0->dvb.frontend = dvb_attach(s5h1409_attach,
983 						&hauppauge_hvr1500q_config,
984 						&dev->i2c_bus[0].i2c_adap);
985 		if (fe0->dvb.frontend != NULL)
986 			dvb_attach(xc5000_attach, fe0->dvb.frontend,
987 				   &i2c_bus->i2c_adap,
988 				   &hauppauge_hvr1500q_tunerconfig);
989 		break;
990 	case CX23885_BOARD_HAUPPAUGE_HVR1500:
991 		i2c_bus = &dev->i2c_bus[1];
992 		fe0->dvb.frontend = dvb_attach(s5h1409_attach,
993 						&hauppauge_hvr1500_config,
994 						&dev->i2c_bus[0].i2c_adap);
995 		if (fe0->dvb.frontend != NULL) {
996 			struct dvb_frontend *fe;
997 			struct xc2028_config cfg = {
998 				.i2c_adap  = &i2c_bus->i2c_adap,
999 				.i2c_addr  = 0x61,
1000 			};
1001 			static struct xc2028_ctrl ctl = {
1002 				.fname       = XC2028_DEFAULT_FIRMWARE,
1003 				.max_len     = 64,
1004 				.demod       = XC3028_FE_OREN538,
1005 			};
1006 
1007 			fe = dvb_attach(xc2028_attach,
1008 					fe0->dvb.frontend, &cfg);
1009 			if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
1010 				fe->ops.tuner_ops.set_config(fe, &ctl);
1011 		}
1012 		break;
1013 	case CX23885_BOARD_HAUPPAUGE_HVR1200:
1014 	case CX23885_BOARD_HAUPPAUGE_HVR1700:
1015 		i2c_bus = &dev->i2c_bus[0];
1016 		fe0->dvb.frontend = dvb_attach(tda10048_attach,
1017 			&hauppauge_hvr1200_config,
1018 			&i2c_bus->i2c_adap);
1019 		if (fe0->dvb.frontend != NULL) {
1020 			dvb_attach(tda829x_attach, fe0->dvb.frontend,
1021 				&dev->i2c_bus[1].i2c_adap, 0x42,
1022 				&tda829x_no_probe);
1023 			dvb_attach(tda18271_attach, fe0->dvb.frontend,
1024 				0x60, &dev->i2c_bus[1].i2c_adap,
1025 				&hauppauge_hvr1200_tuner_config);
1026 		}
1027 		break;
1028 	case CX23885_BOARD_HAUPPAUGE_HVR1210:
1029 		i2c_bus = &dev->i2c_bus[0];
1030 		fe0->dvb.frontend = dvb_attach(tda10048_attach,
1031 			&hauppauge_hvr1210_config,
1032 			&i2c_bus->i2c_adap);
1033 		if (fe0->dvb.frontend != NULL) {
1034 			dvb_attach(tda18271_attach, fe0->dvb.frontend,
1035 				0x60, &dev->i2c_bus[1].i2c_adap,
1036 				&hauppauge_hvr1210_tuner_config);
1037 		}
1038 		break;
1039 	case CX23885_BOARD_HAUPPAUGE_HVR1400:
1040 		i2c_bus = &dev->i2c_bus[0];
1041 
1042 		if (!dvb_attach(dib7000p_attach, &dib7000p_ops))
1043 			return -ENODEV;
1044 
1045 		fe0->dvb.frontend = dib7000p_ops.init(&i2c_bus->i2c_adap,
1046 			0x12, &hauppauge_hvr1400_dib7000_config);
1047 		if (fe0->dvb.frontend != NULL) {
1048 			struct dvb_frontend *fe;
1049 			struct xc2028_config cfg = {
1050 				.i2c_adap  = &dev->i2c_bus[1].i2c_adap,
1051 				.i2c_addr  = 0x64,
1052 			};
1053 			static struct xc2028_ctrl ctl = {
1054 				.fname   = XC3028L_DEFAULT_FIRMWARE,
1055 				.max_len = 64,
1056 				.demod   = XC3028_FE_DIBCOM52,
1057 				/* This is true for all demods with
1058 					v36 firmware? */
1059 				.type    = XC2028_D2633,
1060 			};
1061 
1062 			fe = dvb_attach(xc2028_attach,
1063 					fe0->dvb.frontend, &cfg);
1064 			if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
1065 				fe->ops.tuner_ops.set_config(fe, &ctl);
1066 		}
1067 		break;
1068 	case CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP:
1069 		i2c_bus = &dev->i2c_bus[port->nr - 1];
1070 
1071 		fe0->dvb.frontend = dvb_attach(s5h1409_attach,
1072 						&dvico_s5h1409_config,
1073 						&i2c_bus->i2c_adap);
1074 		if (fe0->dvb.frontend == NULL)
1075 			fe0->dvb.frontend = dvb_attach(s5h1411_attach,
1076 							&dvico_s5h1411_config,
1077 							&i2c_bus->i2c_adap);
1078 		if (fe0->dvb.frontend != NULL)
1079 			dvb_attach(xc5000_attach, fe0->dvb.frontend,
1080 				   &i2c_bus->i2c_adap,
1081 				   &dvico_xc5000_tunerconfig);
1082 		break;
1083 	case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP: {
1084 		i2c_bus = &dev->i2c_bus[port->nr - 1];
1085 
1086 		fe0->dvb.frontend = dvb_attach(zl10353_attach,
1087 					       &dvico_fusionhdtv_xc3028,
1088 					       &i2c_bus->i2c_adap);
1089 		if (fe0->dvb.frontend != NULL) {
1090 			struct dvb_frontend      *fe;
1091 			struct xc2028_config	  cfg = {
1092 				.i2c_adap  = &i2c_bus->i2c_adap,
1093 				.i2c_addr  = 0x61,
1094 			};
1095 			static struct xc2028_ctrl ctl = {
1096 				.fname       = XC2028_DEFAULT_FIRMWARE,
1097 				.max_len     = 64,
1098 				.demod       = XC3028_FE_ZARLINK456,
1099 			};
1100 
1101 			fe = dvb_attach(xc2028_attach, fe0->dvb.frontend,
1102 					&cfg);
1103 			if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
1104 				fe->ops.tuner_ops.set_config(fe, &ctl);
1105 		}
1106 		break;
1107 	}
1108 	case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP2: {
1109 		i2c_bus = &dev->i2c_bus[port->nr - 1];
1110 		/* cxusb_ctrl_msg(adap->dev, CMD_DIGITAL, NULL, 0, NULL, 0); */
1111 		/* cxusb_bluebird_gpio_pulse(adap->dev, 0x02, 1); */
1112 
1113 		if (!dvb_attach(dib7000p_attach, &dib7000p_ops))
1114 			return -ENODEV;
1115 
1116 		if (dib7000p_ops.i2c_enumeration(&i2c_bus->i2c_adap, 1, 0x12, &dib7070p_dib7000p_config) < 0) {
1117 			printk(KERN_WARNING "Unable to enumerate dib7000p\n");
1118 			return -ENODEV;
1119 		}
1120 		fe0->dvb.frontend = dib7000p_ops.init(&i2c_bus->i2c_adap, 0x80, &dib7070p_dib7000p_config);
1121 		if (fe0->dvb.frontend != NULL) {
1122 			struct i2c_adapter *tun_i2c;
1123 
1124 			fe0->dvb.frontend->sec_priv = kmalloc(sizeof(dib7000p_ops), GFP_KERNEL);
1125 			memcpy(fe0->dvb.frontend->sec_priv, &dib7000p_ops, sizeof(dib7000p_ops));
1126 			tun_i2c = dib7000p_ops.get_i2c_master(fe0->dvb.frontend, DIBX000_I2C_INTERFACE_TUNER, 1);
1127 			if (!dvb_attach(dib0070_attach, fe0->dvb.frontend, tun_i2c, &dib7070p_dib0070_config))
1128 				return -ENODEV;
1129 		}
1130 		break;
1131 	}
1132 	case CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H:
1133 	case CX23885_BOARD_COMPRO_VIDEOMATE_E650F:
1134 	case CX23885_BOARD_COMPRO_VIDEOMATE_E800:
1135 		i2c_bus = &dev->i2c_bus[0];
1136 
1137 		fe0->dvb.frontend = dvb_attach(zl10353_attach,
1138 			&dvico_fusionhdtv_xc3028,
1139 			&i2c_bus->i2c_adap);
1140 		if (fe0->dvb.frontend != NULL) {
1141 			struct dvb_frontend      *fe;
1142 			struct xc2028_config	  cfg = {
1143 				.i2c_adap  = &dev->i2c_bus[1].i2c_adap,
1144 				.i2c_addr  = 0x61,
1145 			};
1146 			static struct xc2028_ctrl ctl = {
1147 				.fname       = XC2028_DEFAULT_FIRMWARE,
1148 				.max_len     = 64,
1149 				.demod       = XC3028_FE_ZARLINK456,
1150 			};
1151 
1152 			fe = dvb_attach(xc2028_attach, fe0->dvb.frontend,
1153 				&cfg);
1154 			if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
1155 				fe->ops.tuner_ops.set_config(fe, &ctl);
1156 		}
1157 		break;
1158 	case CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H_XC4000:
1159 		i2c_bus = &dev->i2c_bus[0];
1160 
1161 		fe0->dvb.frontend = dvb_attach(zl10353_attach,
1162 					       &dvico_fusionhdtv_xc3028,
1163 					       &i2c_bus->i2c_adap);
1164 		if (fe0->dvb.frontend != NULL) {
1165 			struct dvb_frontend	*fe;
1166 			struct xc4000_config	cfg = {
1167 				.i2c_address	  = 0x61,
1168 				.default_pm	  = 0,
1169 				.dvb_amplitude	  = 134,
1170 				.set_smoothedcvbs = 1,
1171 				.if_khz		  = 4560
1172 			};
1173 
1174 			fe = dvb_attach(xc4000_attach, fe0->dvb.frontend,
1175 					&dev->i2c_bus[1].i2c_adap, &cfg);
1176 			if (!fe) {
1177 				printk(KERN_ERR "%s/2: xc4000 attach failed\n",
1178 				       dev->name);
1179 				goto frontend_detach;
1180 			}
1181 		}
1182 		break;
1183 	case CX23885_BOARD_TBS_6920:
1184 		i2c_bus = &dev->i2c_bus[1];
1185 
1186 		fe0->dvb.frontend = dvb_attach(cx24116_attach,
1187 					&tbs_cx24116_config,
1188 					&i2c_bus->i2c_adap);
1189 		if (fe0->dvb.frontend != NULL)
1190 			fe0->dvb.frontend->ops.set_voltage = f300_set_voltage;
1191 
1192 		break;
1193 	case CX23885_BOARD_TBS_6980:
1194 	case CX23885_BOARD_TBS_6981:
1195 		i2c_bus = &dev->i2c_bus[1];
1196 
1197 		switch (port->nr) {
1198 		/* PORT B */
1199 		case 1:
1200 			fe0->dvb.frontend = dvb_attach(cx24117_attach,
1201 					&tbs_cx24117_config,
1202 					&i2c_bus->i2c_adap);
1203 			break;
1204 		/* PORT C */
1205 		case 2:
1206 			fe0->dvb.frontend = dvb_attach(cx24117_attach,
1207 					&tbs_cx24117_config,
1208 					&i2c_bus->i2c_adap);
1209 			break;
1210 		}
1211 		break;
1212 	case CX23885_BOARD_TEVII_S470:
1213 		i2c_bus = &dev->i2c_bus[1];
1214 
1215 		fe0->dvb.frontend = dvb_attach(ds3000_attach,
1216 					&tevii_ds3000_config,
1217 					&i2c_bus->i2c_adap);
1218 		if (fe0->dvb.frontend != NULL) {
1219 			dvb_attach(ts2020_attach, fe0->dvb.frontend,
1220 				&tevii_ts2020_config, &i2c_bus->i2c_adap);
1221 			fe0->dvb.frontend->ops.set_voltage = f300_set_voltage;
1222 		}
1223 
1224 		break;
1225 	case CX23885_BOARD_DVBWORLD_2005:
1226 		i2c_bus = &dev->i2c_bus[1];
1227 
1228 		fe0->dvb.frontend = dvb_attach(cx24116_attach,
1229 			&dvbworld_cx24116_config,
1230 			&i2c_bus->i2c_adap);
1231 		break;
1232 	case CX23885_BOARD_NETUP_DUAL_DVBS2_CI:
1233 		i2c_bus = &dev->i2c_bus[0];
1234 		switch (port->nr) {
1235 		/* port B */
1236 		case 1:
1237 			fe0->dvb.frontend = dvb_attach(stv0900_attach,
1238 							&netup_stv0900_config,
1239 							&i2c_bus->i2c_adap, 0);
1240 			if (fe0->dvb.frontend != NULL) {
1241 				if (dvb_attach(stv6110_attach,
1242 						fe0->dvb.frontend,
1243 						&netup_stv6110_tunerconfig_a,
1244 						&i2c_bus->i2c_adap)) {
1245 					if (!dvb_attach(lnbh24_attach,
1246 							fe0->dvb.frontend,
1247 							&i2c_bus->i2c_adap,
1248 							LNBH24_PCL | LNBH24_TTX,
1249 							LNBH24_TEN, 0x09))
1250 						printk(KERN_ERR
1251 							"No LNBH24 found!\n");
1252 
1253 				}
1254 			}
1255 			break;
1256 		/* port C */
1257 		case 2:
1258 			fe0->dvb.frontend = dvb_attach(stv0900_attach,
1259 							&netup_stv0900_config,
1260 							&i2c_bus->i2c_adap, 1);
1261 			if (fe0->dvb.frontend != NULL) {
1262 				if (dvb_attach(stv6110_attach,
1263 						fe0->dvb.frontend,
1264 						&netup_stv6110_tunerconfig_b,
1265 						&i2c_bus->i2c_adap)) {
1266 					if (!dvb_attach(lnbh24_attach,
1267 							fe0->dvb.frontend,
1268 							&i2c_bus->i2c_adap,
1269 							LNBH24_PCL | LNBH24_TTX,
1270 							LNBH24_TEN, 0x0a))
1271 						printk(KERN_ERR
1272 							"No LNBH24 found!\n");
1273 
1274 				}
1275 			}
1276 			break;
1277 		}
1278 		break;
1279 	case CX23885_BOARD_MYGICA_X8506:
1280 		i2c_bus = &dev->i2c_bus[0];
1281 		i2c_bus2 = &dev->i2c_bus[1];
1282 		fe0->dvb.frontend = dvb_attach(lgs8gxx_attach,
1283 			&mygica_x8506_lgs8gl5_config,
1284 			&i2c_bus->i2c_adap);
1285 		if (fe0->dvb.frontend != NULL) {
1286 			dvb_attach(xc5000_attach,
1287 				fe0->dvb.frontend,
1288 				&i2c_bus2->i2c_adap,
1289 				&mygica_x8506_xc5000_config);
1290 		}
1291 		cx23885_set_frontend_hook(port, fe0->dvb.frontend);
1292 		break;
1293 	case CX23885_BOARD_MYGICA_X8507:
1294 		i2c_bus = &dev->i2c_bus[0];
1295 		i2c_bus2 = &dev->i2c_bus[1];
1296 		fe0->dvb.frontend = dvb_attach(mb86a20s_attach,
1297 			&mygica_x8507_mb86a20s_config,
1298 			&i2c_bus->i2c_adap);
1299 		if (fe0->dvb.frontend != NULL) {
1300 			dvb_attach(xc5000_attach,
1301 			fe0->dvb.frontend,
1302 			&i2c_bus2->i2c_adap,
1303 			&mygica_x8507_xc5000_config);
1304 		}
1305 		cx23885_set_frontend_hook(port, fe0->dvb.frontend);
1306 		break;
1307 	case CX23885_BOARD_MAGICPRO_PROHDTVE2:
1308 		i2c_bus = &dev->i2c_bus[0];
1309 		i2c_bus2 = &dev->i2c_bus[1];
1310 		fe0->dvb.frontend = dvb_attach(lgs8gxx_attach,
1311 			&magicpro_prohdtve2_lgs8g75_config,
1312 			&i2c_bus->i2c_adap);
1313 		if (fe0->dvb.frontend != NULL) {
1314 			dvb_attach(xc5000_attach,
1315 				fe0->dvb.frontend,
1316 				&i2c_bus2->i2c_adap,
1317 				&magicpro_prohdtve2_xc5000_config);
1318 		}
1319 		cx23885_set_frontend_hook(port, fe0->dvb.frontend);
1320 		break;
1321 	case CX23885_BOARD_HAUPPAUGE_HVR1850:
1322 		i2c_bus = &dev->i2c_bus[0];
1323 		fe0->dvb.frontend = dvb_attach(s5h1411_attach,
1324 			&hcw_s5h1411_config,
1325 			&i2c_bus->i2c_adap);
1326 		if (fe0->dvb.frontend != NULL)
1327 			dvb_attach(tda18271_attach, fe0->dvb.frontend,
1328 				0x60, &dev->i2c_bus[0].i2c_adap,
1329 				&hauppauge_tda18271_config);
1330 
1331 		tda18271_attach(&dev->ts1.analog_fe,
1332 			0x60, &dev->i2c_bus[1].i2c_adap,
1333 			&hauppauge_tda18271_config);
1334 
1335 		break;
1336 	case CX23885_BOARD_HAUPPAUGE_HVR1290:
1337 		i2c_bus = &dev->i2c_bus[0];
1338 		fe0->dvb.frontend = dvb_attach(s5h1411_attach,
1339 			&hcw_s5h1411_config,
1340 			&i2c_bus->i2c_adap);
1341 		if (fe0->dvb.frontend != NULL)
1342 			dvb_attach(tda18271_attach, fe0->dvb.frontend,
1343 				0x60, &dev->i2c_bus[0].i2c_adap,
1344 				&hauppauge_tda18271_config);
1345 		break;
1346 	case CX23885_BOARD_MYGICA_X8558PRO:
1347 		switch (port->nr) {
1348 		/* port B */
1349 		case 1:
1350 			i2c_bus = &dev->i2c_bus[0];
1351 			fe0->dvb.frontend = dvb_attach(atbm8830_attach,
1352 				&mygica_x8558pro_atbm8830_cfg1,
1353 				&i2c_bus->i2c_adap);
1354 			if (fe0->dvb.frontend != NULL) {
1355 				dvb_attach(max2165_attach,
1356 					fe0->dvb.frontend,
1357 					&i2c_bus->i2c_adap,
1358 					&mygic_x8558pro_max2165_cfg1);
1359 			}
1360 			break;
1361 		/* port C */
1362 		case 2:
1363 			i2c_bus = &dev->i2c_bus[1];
1364 			fe0->dvb.frontend = dvb_attach(atbm8830_attach,
1365 				&mygica_x8558pro_atbm8830_cfg2,
1366 				&i2c_bus->i2c_adap);
1367 			if (fe0->dvb.frontend != NULL) {
1368 				dvb_attach(max2165_attach,
1369 					fe0->dvb.frontend,
1370 					&i2c_bus->i2c_adap,
1371 					&mygic_x8558pro_max2165_cfg2);
1372 			}
1373 			break;
1374 		}
1375 		break;
1376 	case CX23885_BOARD_NETUP_DUAL_DVB_T_C_CI_RF:
1377 		i2c_bus = &dev->i2c_bus[0];
1378 		mfe_shared = 1;/* MFE */
1379 		port->frontends.gate = 0;/* not clear for me yet */
1380 		/* ports B, C */
1381 		/* MFE frontend 1 DVB-T */
1382 		fe0->dvb.frontend = dvb_attach(stv0367ter_attach,
1383 					&netup_stv0367_config[port->nr - 1],
1384 					&i2c_bus->i2c_adap);
1385 		if (fe0->dvb.frontend != NULL) {
1386 			if (NULL == dvb_attach(xc5000_attach,
1387 					fe0->dvb.frontend,
1388 					&i2c_bus->i2c_adap,
1389 					&netup_xc5000_config[port->nr - 1]))
1390 				goto frontend_detach;
1391 			/* load xc5000 firmware */
1392 			fe0->dvb.frontend->ops.tuner_ops.init(fe0->dvb.frontend);
1393 		}
1394 		/* MFE frontend 2 */
1395 		fe1 = videobuf_dvb_get_frontend(&port->frontends, 2);
1396 		if (fe1 == NULL)
1397 			goto frontend_detach;
1398 		/* DVB-C init */
1399 		fe1->dvb.frontend = dvb_attach(stv0367cab_attach,
1400 					&netup_stv0367_config[port->nr - 1],
1401 					&i2c_bus->i2c_adap);
1402 		if (fe1->dvb.frontend != NULL) {
1403 			fe1->dvb.frontend->id = 1;
1404 			if (NULL == dvb_attach(xc5000_attach,
1405 					fe1->dvb.frontend,
1406 					&i2c_bus->i2c_adap,
1407 					&netup_xc5000_config[port->nr - 1]))
1408 				goto frontend_detach;
1409 		}
1410 		break;
1411 	case CX23885_BOARD_TERRATEC_CINERGY_T_PCIE_DUAL:
1412 		i2c_bus = &dev->i2c_bus[0];
1413 		i2c_bus2 = &dev->i2c_bus[1];
1414 
1415 		switch (port->nr) {
1416 		/* port b */
1417 		case 1:
1418 			fe0->dvb.frontend = dvb_attach(drxk_attach,
1419 					&terratec_drxk_config[0],
1420 					&i2c_bus->i2c_adap);
1421 			if (fe0->dvb.frontend != NULL) {
1422 				if (!dvb_attach(mt2063_attach,
1423 						fe0->dvb.frontend,
1424 						&terratec_mt2063_config[0],
1425 						&i2c_bus2->i2c_adap))
1426 					goto frontend_detach;
1427 			}
1428 			break;
1429 		/* port c */
1430 		case 2:
1431 			fe0->dvb.frontend = dvb_attach(drxk_attach,
1432 					&terratec_drxk_config[1],
1433 					&i2c_bus->i2c_adap);
1434 			if (fe0->dvb.frontend != NULL) {
1435 				if (!dvb_attach(mt2063_attach,
1436 						fe0->dvb.frontend,
1437 						&terratec_mt2063_config[1],
1438 						&i2c_bus2->i2c_adap))
1439 					goto frontend_detach;
1440 			}
1441 			break;
1442 		}
1443 		break;
1444 	case CX23885_BOARD_TEVII_S471:
1445 		i2c_bus = &dev->i2c_bus[1];
1446 
1447 		fe0->dvb.frontend = dvb_attach(ds3000_attach,
1448 					&tevii_ds3000_config,
1449 					&i2c_bus->i2c_adap);
1450 		if (fe0->dvb.frontend != NULL) {
1451 			dvb_attach(ts2020_attach, fe0->dvb.frontend,
1452 				&tevii_ts2020_config, &i2c_bus->i2c_adap);
1453 		}
1454 		break;
1455 	case CX23885_BOARD_PROF_8000:
1456 		i2c_bus = &dev->i2c_bus[0];
1457 
1458 		fe0->dvb.frontend = dvb_attach(stv090x_attach,
1459 						&prof_8000_stv090x_config,
1460 						&i2c_bus->i2c_adap,
1461 						STV090x_DEMODULATOR_0);
1462 		if (fe0->dvb.frontend != NULL) {
1463 			if (!dvb_attach(stb6100_attach,
1464 					fe0->dvb.frontend,
1465 					&prof_8000_stb6100_config,
1466 					&i2c_bus->i2c_adap))
1467 				goto frontend_detach;
1468 
1469 			fe0->dvb.frontend->ops.set_voltage = p8000_set_voltage;
1470 		}
1471 		break;
1472 	case CX23885_BOARD_HAUPPAUGE_HVR4400:
1473 		i2c_bus = &dev->i2c_bus[0];
1474 		i2c_bus2 = &dev->i2c_bus[1];
1475 		switch (port->nr) {
1476 		/* port b */
1477 		case 1:
1478 			fe0->dvb.frontend = dvb_attach(tda10071_attach,
1479 						&hauppauge_tda10071_config,
1480 						&i2c_bus->i2c_adap);
1481 			if (fe0->dvb.frontend != NULL) {
1482 				if (!dvb_attach(a8293_attach, fe0->dvb.frontend,
1483 						&i2c_bus->i2c_adap,
1484 						&hauppauge_a8293_config))
1485 					goto frontend_detach;
1486 			}
1487 			break;
1488 		/* port c */
1489 		case 2:
1490 			fe0->dvb.frontend = dvb_attach(si2165_attach,
1491 					&hauppauge_hvr4400_si2165_config,
1492 					&i2c_bus->i2c_adap);
1493 			if (fe0->dvb.frontend != NULL) {
1494 				fe0->dvb.frontend->ops.i2c_gate_ctrl = 0;
1495 				if (!dvb_attach(tda18271_attach,
1496 						fe0->dvb.frontend,
1497 						0x60, &i2c_bus2->i2c_adap,
1498 					  &hauppauge_hvr4400_tuner_config))
1499 					goto frontend_detach;
1500 			}
1501 			break;
1502 		}
1503 		break;
1504 	default:
1505 		printk(KERN_INFO "%s: The frontend of your DVB/ATSC card "
1506 			" isn't supported yet\n",
1507 		       dev->name);
1508 		break;
1509 	}
1510 
1511 	if ((NULL == fe0->dvb.frontend) || (fe1 && NULL == fe1->dvb.frontend)) {
1512 		printk(KERN_ERR "%s: frontend initialization failed\n",
1513 		       dev->name);
1514 		goto frontend_detach;
1515 	}
1516 
1517 	/* define general-purpose callback pointer */
1518 	fe0->dvb.frontend->callback = cx23885_tuner_callback;
1519 	if (fe1)
1520 		fe1->dvb.frontend->callback = cx23885_tuner_callback;
1521 #if 0
1522 	/* Ensure all frontends negotiate bus access */
1523 	fe0->dvb.frontend->ops.ts_bus_ctrl = cx23885_dvb_bus_ctrl;
1524 	if (fe1)
1525 		fe1->dvb.frontend->ops.ts_bus_ctrl = cx23885_dvb_bus_ctrl;
1526 #endif
1527 
1528 	/* Put the analog decoder in standby to keep it quiet */
1529 	call_all(dev, core, s_power, 0);
1530 
1531 	if (fe0->dvb.frontend->ops.analog_ops.standby)
1532 		fe0->dvb.frontend->ops.analog_ops.standby(fe0->dvb.frontend);
1533 
1534 	/* register everything */
1535 	ret = videobuf_dvb_register_bus(&port->frontends, THIS_MODULE, port,
1536 					&dev->pci->dev, adapter_nr, mfe_shared);
1537 	if (ret)
1538 		goto frontend_detach;
1539 
1540 	/* init CI & MAC */
1541 	switch (dev->board) {
1542 	case CX23885_BOARD_NETUP_DUAL_DVBS2_CI: {
1543 		static struct netup_card_info cinfo;
1544 
1545 		netup_get_card_info(&dev->i2c_bus[0].i2c_adap, &cinfo);
1546 		memcpy(port->frontends.adapter.proposed_mac,
1547 				cinfo.port[port->nr - 1].mac, 6);
1548 		printk(KERN_INFO "NetUP Dual DVB-S2 CI card port%d MAC=%pM\n",
1549 			port->nr, port->frontends.adapter.proposed_mac);
1550 
1551 		netup_ci_init(port);
1552 		break;
1553 		}
1554 	case CX23885_BOARD_NETUP_DUAL_DVB_T_C_CI_RF: {
1555 		struct altera_ci_config netup_ci_cfg = {
1556 			.dev = dev,/* magic number to identify*/
1557 			.adapter = &port->frontends.adapter,/* for CI */
1558 			.demux = &fe0->dvb.demux,/* for hw pid filter */
1559 			.fpga_rw = netup_altera_fpga_rw,
1560 		};
1561 
1562 		altera_ci_init(&netup_ci_cfg, port->nr);
1563 		break;
1564 		}
1565 	case CX23885_BOARD_TEVII_S470: {
1566 		u8 eeprom[256]; /* 24C02 i2c eeprom */
1567 
1568 		if (port->nr != 1)
1569 			break;
1570 
1571 		/* Read entire EEPROM */
1572 		dev->i2c_bus[0].i2c_client.addr = 0xa0 >> 1;
1573 		tveeprom_read(&dev->i2c_bus[0].i2c_client, eeprom, sizeof(eeprom));
1574 		printk(KERN_INFO "TeVii S470 MAC= %pM\n", eeprom + 0xa0);
1575 		memcpy(port->frontends.adapter.proposed_mac, eeprom + 0xa0, 6);
1576 		break;
1577 		}
1578 	}
1579 
1580 	return ret;
1581 
1582 frontend_detach:
1583 	port->gate_ctrl = NULL;
1584 	videobuf_dvb_dealloc_frontends(&port->frontends);
1585 	return -EINVAL;
1586 }
1587 
1588 int cx23885_dvb_register(struct cx23885_tsport *port)
1589 {
1590 
1591 	struct videobuf_dvb_frontend *fe0;
1592 	struct cx23885_dev *dev = port->dev;
1593 	int err, i;
1594 
1595 	/* Here we need to allocate the correct number of frontends,
1596 	 * as reflected in the cards struct. The reality is that currently
1597 	 * no cx23885 boards support this - yet. But, if we don't modify this
1598 	 * code then the second frontend would never be allocated (later)
1599 	 * and fail with error before the attach in dvb_register().
1600 	 * Without these changes we risk an OOPS later. The changes here
1601 	 * are for safety, and should provide a good foundation for the
1602 	 * future addition of any multi-frontend cx23885 based boards.
1603 	 */
1604 	printk(KERN_INFO "%s() allocating %d frontend(s)\n", __func__,
1605 		port->num_frontends);
1606 
1607 	for (i = 1; i <= port->num_frontends; i++) {
1608 		if (videobuf_dvb_alloc_frontend(
1609 			&port->frontends, i) == NULL) {
1610 			printk(KERN_ERR "%s() failed to alloc\n", __func__);
1611 			return -ENOMEM;
1612 		}
1613 
1614 		fe0 = videobuf_dvb_get_frontend(&port->frontends, i);
1615 		if (!fe0)
1616 			err = -EINVAL;
1617 
1618 		dprintk(1, "%s\n", __func__);
1619 		dprintk(1, " ->probed by Card=%d Name=%s, PCI %02x:%02x\n",
1620 			dev->board,
1621 			dev->name,
1622 			dev->pci_bus,
1623 			dev->pci_slot);
1624 
1625 		err = -ENODEV;
1626 
1627 		/* dvb stuff */
1628 		/* We have to init the queue for each frontend on a port. */
1629 		printk(KERN_INFO "%s: cx23885 based dvb card\n", dev->name);
1630 		videobuf_queue_sg_init(&fe0->dvb.dvbq, &dvb_qops,
1631 			    &dev->pci->dev, &port->slock,
1632 			    V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP,
1633 			    sizeof(struct cx23885_buffer), port, NULL);
1634 	}
1635 	err = dvb_register(port);
1636 	if (err != 0)
1637 		printk(KERN_ERR "%s() dvb_register failed err = %d\n",
1638 			__func__, err);
1639 
1640 	return err;
1641 }
1642 
1643 int cx23885_dvb_unregister(struct cx23885_tsport *port)
1644 {
1645 	struct videobuf_dvb_frontend *fe0;
1646 
1647 	/* FIXME: in an error condition where the we have
1648 	 * an expected number of frontends (attach problem)
1649 	 * then this might not clean up correctly, if 1
1650 	 * is invalid.
1651 	 * This comment only applies to future boards IF they
1652 	 * implement MFE support.
1653 	 */
1654 	fe0 = videobuf_dvb_get_frontend(&port->frontends, 1);
1655 	if (fe0 && fe0->dvb.frontend)
1656 		videobuf_dvb_unregister_bus(&port->frontends);
1657 
1658 	switch (port->dev->board) {
1659 	case CX23885_BOARD_NETUP_DUAL_DVBS2_CI:
1660 		netup_ci_exit(port);
1661 		break;
1662 	case CX23885_BOARD_NETUP_DUAL_DVB_T_C_CI_RF:
1663 		altera_ci_release(port->dev, port->nr);
1664 		break;
1665 	}
1666 
1667 	port->gate_ctrl = NULL;
1668 
1669 	return 0;
1670 }
1671 
1672