V4L/DVB (8951): xc5000: dont pass devptr in xc5000_attach()
[linux-2.6] / drivers / media / video / cx23885 / cx23885-dvb.c
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 "s5h1409.h"
34 #include "s5h1411.h"
35 #include "mt2131.h"
36 #include "tda8290.h"
37 #include "tda18271.h"
38 #include "lgdt330x.h"
39 #include "xc5000.h"
40 #include "tda10048.h"
41 #include "tuner-xc2028.h"
42 #include "tuner-simple.h"
43 #include "dib7000p.h"
44 #include "dibx000_common.h"
45 #include "zl10353.h"
46
47 static unsigned int debug;
48
49 #define dprintk(level, fmt, arg...)\
50         do { if (debug >= level)\
51                 printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\
52         } while (0)
53
54 /* ------------------------------------------------------------------ */
55
56 static unsigned int alt_tuner;
57 module_param(alt_tuner, int, 0644);
58 MODULE_PARM_DESC(alt_tuner, "Enable alternate tuner configuration");
59
60 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
61
62 /* ------------------------------------------------------------------ */
63
64 static int dvb_buf_setup(struct videobuf_queue *q,
65                          unsigned int *count, unsigned int *size)
66 {
67         struct cx23885_tsport *port = q->priv_data;
68
69         port->ts_packet_size  = 188 * 4;
70         port->ts_packet_count = 32;
71
72         *size  = port->ts_packet_size * port->ts_packet_count;
73         *count = 32;
74         return 0;
75 }
76
77 static int dvb_buf_prepare(struct videobuf_queue *q,
78                            struct videobuf_buffer *vb, enum v4l2_field field)
79 {
80         struct cx23885_tsport *port = q->priv_data;
81         return cx23885_buf_prepare(q, port, (struct cx23885_buffer*)vb, field);
82 }
83
84 static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
85 {
86         struct cx23885_tsport *port = q->priv_data;
87         cx23885_buf_queue(port, (struct cx23885_buffer*)vb);
88 }
89
90 static void dvb_buf_release(struct videobuf_queue *q,
91                             struct videobuf_buffer *vb)
92 {
93         cx23885_free_buffer(q, (struct cx23885_buffer*)vb);
94 }
95
96 static struct videobuf_queue_ops dvb_qops = {
97         .buf_setup    = dvb_buf_setup,
98         .buf_prepare  = dvb_buf_prepare,
99         .buf_queue    = dvb_buf_queue,
100         .buf_release  = dvb_buf_release,
101 };
102
103 static struct s5h1409_config hauppauge_generic_config = {
104         .demod_address = 0x32 >> 1,
105         .output_mode   = S5H1409_SERIAL_OUTPUT,
106         .gpio          = S5H1409_GPIO_ON,
107         .qam_if        = 44000,
108         .inversion     = S5H1409_INVERSION_OFF,
109         .status_mode   = S5H1409_DEMODLOCKING,
110         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
111 };
112
113 static struct tda10048_config hauppauge_hvr1200_config = {
114         .demod_address    = 0x10 >> 1,
115         .output_mode      = TDA10048_SERIAL_OUTPUT,
116         .fwbulkwritelen   = TDA10048_BULKWRITE_200,
117         .inversion        = TDA10048_INVERSION_ON
118 };
119
120 static struct s5h1409_config hauppauge_ezqam_config = {
121         .demod_address = 0x32 >> 1,
122         .output_mode   = S5H1409_SERIAL_OUTPUT,
123         .gpio          = S5H1409_GPIO_OFF,
124         .qam_if        = 4000,
125         .inversion     = S5H1409_INVERSION_ON,
126         .status_mode   = S5H1409_DEMODLOCKING,
127         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
128 };
129
130 static struct s5h1409_config hauppauge_hvr1800lp_config = {
131         .demod_address = 0x32 >> 1,
132         .output_mode   = S5H1409_SERIAL_OUTPUT,
133         .gpio          = S5H1409_GPIO_OFF,
134         .qam_if        = 44000,
135         .inversion     = S5H1409_INVERSION_OFF,
136         .status_mode   = S5H1409_DEMODLOCKING,
137         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
138 };
139
140 static struct s5h1409_config hauppauge_hvr1500_config = {
141         .demod_address = 0x32 >> 1,
142         .output_mode   = S5H1409_SERIAL_OUTPUT,
143         .gpio          = S5H1409_GPIO_OFF,
144         .inversion     = S5H1409_INVERSION_OFF,
145         .status_mode   = S5H1409_DEMODLOCKING,
146         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
147 };
148
149 static struct mt2131_config hauppauge_generic_tunerconfig = {
150         0x61
151 };
152
153 static struct lgdt330x_config fusionhdtv_5_express = {
154         .demod_address = 0x0e,
155         .demod_chip = LGDT3303,
156         .serial_mpeg = 0x40,
157 };
158
159 static struct s5h1409_config hauppauge_hvr1500q_config = {
160         .demod_address = 0x32 >> 1,
161         .output_mode   = S5H1409_SERIAL_OUTPUT,
162         .gpio          = S5H1409_GPIO_ON,
163         .qam_if        = 44000,
164         .inversion     = S5H1409_INVERSION_OFF,
165         .status_mode   = S5H1409_DEMODLOCKING,
166         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
167 };
168
169 static struct s5h1409_config dvico_s5h1409_config = {
170         .demod_address = 0x32 >> 1,
171         .output_mode   = S5H1409_SERIAL_OUTPUT,
172         .gpio          = S5H1409_GPIO_ON,
173         .qam_if        = 44000,
174         .inversion     = S5H1409_INVERSION_OFF,
175         .status_mode   = S5H1409_DEMODLOCKING,
176         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
177 };
178
179 static struct s5h1411_config dvico_s5h1411_config = {
180         .output_mode   = S5H1411_SERIAL_OUTPUT,
181         .gpio          = S5H1411_GPIO_ON,
182         .qam_if        = S5H1411_IF_44000,
183         .vsb_if        = S5H1411_IF_44000,
184         .inversion     = S5H1411_INVERSION_OFF,
185         .status_mode   = S5H1411_DEMODLOCKING,
186         .mpeg_timing   = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
187 };
188
189 static struct xc5000_config hauppauge_hvr1500q_tunerconfig = {
190         .i2c_address      = 0x61,
191         .if_khz           = 5380,
192         .tuner_callback   = cx23885_tuner_callback,
193 };
194
195 static struct xc5000_config dvico_xc5000_tunerconfig = {
196         .i2c_address      = 0x64,
197         .if_khz           = 5380,
198         .tuner_callback   = cx23885_tuner_callback,
199 };
200
201 static struct tda829x_config tda829x_no_probe = {
202         .probe_tuner = TDA829X_DONT_PROBE,
203 };
204
205 static struct tda18271_std_map hauppauge_tda18271_std_map = {
206         .atsc_6   = { .if_freq = 5380, .agc_mode = 3, .std = 3,
207                       .if_lvl = 6, .rfagc_top = 0x37 },
208         .qam_6    = { .if_freq = 4000, .agc_mode = 3, .std = 0,
209                       .if_lvl = 6, .rfagc_top = 0x37 },
210 };
211
212 static struct tda18271_config hauppauge_tda18271_config = {
213         .std_map = &hauppauge_tda18271_std_map,
214         .gate    = TDA18271_GATE_ANALOG,
215 };
216
217 static struct tda18271_config hauppauge_hvr1200_tuner_config = {
218         .gate    = TDA18271_GATE_ANALOG,
219 };
220
221 static struct dibx000_agc_config xc3028_agc_config = {
222         BAND_VHF | BAND_UHF,    /* band_caps */
223
224         /* P_agc_use_sd_mod1=0, P_agc_use_sd_mod2=0, P_agc_freq_pwm_div=0,
225          * P_agc_inv_pwm1=0, P_agc_inv_pwm2=0,
226          * P_agc_inh_dc_rv_est=0, P_agc_time_est=3, P_agc_freeze=0,
227          * P_agc_nb_est=2, P_agc_write=0
228          */
229         (0 << 15) | (0 << 14) | (0 << 11) | (0 << 10) | (0 << 9) | (0 << 8) |
230                 (3 << 5) | (0 << 4) | (2 << 1) | (0 << 0), /* setup */
231
232         712,    /* inv_gain */
233         21,     /* time_stabiliz */
234
235         0,      /* alpha_level */
236         118,    /* thlock */
237
238         0,      /* wbd_inv */
239         2867,   /* wbd_ref */
240         0,      /* wbd_sel */
241         2,      /* wbd_alpha */
242
243         0,      /* agc1_max */
244         0,      /* agc1_min */
245         39718,  /* agc2_max */
246         9930,   /* agc2_min */
247         0,      /* agc1_pt1 */
248         0,      /* agc1_pt2 */
249         0,      /* agc1_pt3 */
250         0,      /* agc1_slope1 */
251         0,      /* agc1_slope2 */
252         0,      /* agc2_pt1 */
253         128,    /* agc2_pt2 */
254         29,     /* agc2_slope1 */
255         29,     /* agc2_slope2 */
256
257         17,     /* alpha_mant */
258         27,     /* alpha_exp */
259         23,     /* beta_mant */
260         51,     /* beta_exp */
261
262         1,      /* perform_agc_softsplit */
263 };
264
265 /* PLL Configuration for COFDM BW_MHz = 8.000000
266  * With external clock = 30.000000 */
267 static struct dibx000_bandwidth_config xc3028_bw_config = {
268         60000,  /* internal */
269         30000,  /* sampling */
270         1,      /* pll_cfg: prediv */
271         8,      /* pll_cfg: ratio */
272         3,      /* pll_cfg: range */
273         1,      /* pll_cfg: reset */
274         0,      /* pll_cfg: bypass */
275         0,      /* misc: refdiv */
276         0,      /* misc: bypclk_div */
277         1,      /* misc: IO_CLK_en_core */
278         1,      /* misc: ADClkSrc */
279         0,      /* misc: modulo */
280         (3 << 14) | (1 << 12) | (524 << 0), /* sad_cfg: refsel, sel, freq_15k */
281         (1 << 25) | 5816102, /* ifreq = 5.200000 MHz */
282         20452225, /* timf */
283         30000000  /* xtal_hz */
284 };
285
286 static struct dib7000p_config hauppauge_hvr1400_dib7000_config = {
287         .output_mpeg2_in_188_bytes = 1,
288         .hostbus_diversity = 1,
289         .tuner_is_baseband = 0,
290         .update_lna  = NULL,
291
292         .agc_config_count = 1,
293         .agc = &xc3028_agc_config,
294         .bw  = &xc3028_bw_config,
295
296         .gpio_dir = DIB7000P_GPIO_DEFAULT_DIRECTIONS,
297         .gpio_val = DIB7000P_GPIO_DEFAULT_VALUES,
298         .gpio_pwm_pos = DIB7000P_GPIO_DEFAULT_PWM_POS,
299
300         .pwm_freq_div = 0,
301         .agc_control  = NULL,
302         .spur_protect = 0,
303
304         .output_mode = OUTMODE_MPEG2_SERIAL,
305 };
306
307 static struct zl10353_config dvico_fusionhdtv_xc3028 = {
308         .demod_address = 0x0f,
309         .if2           = 45600,
310         .no_tuner      = 1,
311 };
312
313 static int dvb_register(struct cx23885_tsport *port)
314 {
315         struct cx23885_dev *dev = port->dev;
316         struct cx23885_i2c *i2c_bus = NULL;
317
318         /* init struct videobuf_dvb */
319         port->dvb.name = dev->name;
320
321         /* init frontend */
322         switch (dev->board) {
323         case CX23885_BOARD_HAUPPAUGE_HVR1250:
324                 i2c_bus = &dev->i2c_bus[0];
325                 port->dvb.frontend = dvb_attach(s5h1409_attach,
326                                                 &hauppauge_generic_config,
327                                                 &i2c_bus->i2c_adap);
328                 if (port->dvb.frontend != NULL) {
329                         dvb_attach(mt2131_attach, port->dvb.frontend,
330                                    &i2c_bus->i2c_adap,
331                                    &hauppauge_generic_tunerconfig, 0);
332                 }
333                 break;
334         case CX23885_BOARD_HAUPPAUGE_HVR1800:
335                 i2c_bus = &dev->i2c_bus[0];
336                 switch (alt_tuner) {
337                 case 1:
338                         port->dvb.frontend =
339                                 dvb_attach(s5h1409_attach,
340                                            &hauppauge_ezqam_config,
341                                            &i2c_bus->i2c_adap);
342                         if (port->dvb.frontend != NULL) {
343                                 dvb_attach(tda829x_attach, port->dvb.frontend,
344                                            &dev->i2c_bus[1].i2c_adap, 0x42,
345                                            &tda829x_no_probe);
346                                 dvb_attach(tda18271_attach, port->dvb.frontend,
347                                            0x60, &dev->i2c_bus[1].i2c_adap,
348                                            &hauppauge_tda18271_config);
349                         }
350                         break;
351                 case 0:
352                 default:
353                         port->dvb.frontend =
354                                 dvb_attach(s5h1409_attach,
355                                            &hauppauge_generic_config,
356                                            &i2c_bus->i2c_adap);
357                         if (port->dvb.frontend != NULL)
358                                 dvb_attach(mt2131_attach, port->dvb.frontend,
359                                            &i2c_bus->i2c_adap,
360                                            &hauppauge_generic_tunerconfig, 0);
361                         break;
362                 }
363                 break;
364         case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
365                 i2c_bus = &dev->i2c_bus[0];
366                 port->dvb.frontend = dvb_attach(s5h1409_attach,
367                                                 &hauppauge_hvr1800lp_config,
368                                                 &i2c_bus->i2c_adap);
369                 if (port->dvb.frontend != NULL) {
370                         dvb_attach(mt2131_attach, port->dvb.frontend,
371                                    &i2c_bus->i2c_adap,
372                                    &hauppauge_generic_tunerconfig, 0);
373                 }
374                 break;
375         case CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP:
376                 i2c_bus = &dev->i2c_bus[0];
377                 port->dvb.frontend = dvb_attach(lgdt330x_attach,
378                                                 &fusionhdtv_5_express,
379                                                 &i2c_bus->i2c_adap);
380                 if (port->dvb.frontend != NULL) {
381                         dvb_attach(simple_tuner_attach, port->dvb.frontend,
382                                    &i2c_bus->i2c_adap, 0x61,
383                                    TUNER_LG_TDVS_H06XF);
384                 }
385                 break;
386         case CX23885_BOARD_HAUPPAUGE_HVR1500Q:
387                 i2c_bus = &dev->i2c_bus[1];
388                 port->dvb.frontend = dvb_attach(s5h1409_attach,
389                                                 &hauppauge_hvr1500q_config,
390                                                 &dev->i2c_bus[0].i2c_adap);
391                 if (port->dvb.frontend != NULL)
392                         dvb_attach(xc5000_attach, port->dvb.frontend,
393                                    &i2c_bus->i2c_adap,
394                                    &hauppauge_hvr1500q_tunerconfig);
395                 break;
396         case CX23885_BOARD_HAUPPAUGE_HVR1500:
397                 i2c_bus = &dev->i2c_bus[1];
398                 port->dvb.frontend = dvb_attach(s5h1409_attach,
399                                                 &hauppauge_hvr1500_config,
400                                                 &dev->i2c_bus[0].i2c_adap);
401                 if (port->dvb.frontend != NULL) {
402                         struct dvb_frontend *fe;
403                         struct xc2028_config cfg = {
404                                 .i2c_adap  = &i2c_bus->i2c_adap,
405                                 .i2c_addr  = 0x61,
406                                 .video_dev = port,
407                                 .callback  = cx23885_tuner_callback,
408                         };
409                         static struct xc2028_ctrl ctl = {
410                                 .fname       = "xc3028-v27.fw",
411                                 .max_len     = 64,
412                                 .scode_table = XC3028_FE_OREN538,
413                         };
414
415                         fe = dvb_attach(xc2028_attach,
416                                         port->dvb.frontend, &cfg);
417                         if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
418                                 fe->ops.tuner_ops.set_config(fe, &ctl);
419                 }
420                 break;
421         case CX23885_BOARD_HAUPPAUGE_HVR1200:
422         case CX23885_BOARD_HAUPPAUGE_HVR1700:
423                 i2c_bus = &dev->i2c_bus[0];
424                 port->dvb.frontend = dvb_attach(tda10048_attach,
425                         &hauppauge_hvr1200_config,
426                         &i2c_bus->i2c_adap);
427                 if (port->dvb.frontend != NULL) {
428                         dvb_attach(tda829x_attach, port->dvb.frontend,
429                                 &dev->i2c_bus[1].i2c_adap, 0x42,
430                                 &tda829x_no_probe);
431                         dvb_attach(tda18271_attach, port->dvb.frontend,
432                                 0x60, &dev->i2c_bus[1].i2c_adap,
433                                 &hauppauge_hvr1200_tuner_config);
434                 }
435                 break;
436         case CX23885_BOARD_HAUPPAUGE_HVR1400:
437                 i2c_bus = &dev->i2c_bus[0];
438                 port->dvb.frontend = dvb_attach(dib7000p_attach,
439                         &i2c_bus->i2c_adap,
440                         0x12, &hauppauge_hvr1400_dib7000_config);
441                 if (port->dvb.frontend != NULL) {
442                         struct dvb_frontend *fe;
443                         struct xc2028_config cfg = {
444                                 .i2c_adap  = &dev->i2c_bus[1].i2c_adap,
445                                 .i2c_addr  = 0x64,
446                                 .video_dev = port,
447                                 .callback  = cx23885_tuner_callback,
448                         };
449                         static struct xc2028_ctrl ctl = {
450                                 .fname   = "xc3028L-v36.fw",
451                                 .max_len = 64,
452                                 .demod   = 5000,
453                                 .d2633   = 1
454                         };
455
456                         fe = dvb_attach(xc2028_attach,
457                                         port->dvb.frontend, &cfg);
458                         if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
459                                 fe->ops.tuner_ops.set_config(fe, &ctl);
460                 }
461                 break;
462         case CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP:
463                 i2c_bus = &dev->i2c_bus[port->nr - 1];
464
465                 port->dvb.frontend = dvb_attach(s5h1409_attach,
466                                                 &dvico_s5h1409_config,
467                                                 &i2c_bus->i2c_adap);
468                 if (port->dvb.frontend == NULL)
469                         port->dvb.frontend = dvb_attach(s5h1411_attach,
470                                                         &dvico_s5h1411_config,
471                                                         &i2c_bus->i2c_adap);
472                 if (port->dvb.frontend != NULL)
473                         dvb_attach(xc5000_attach, port->dvb.frontend,
474                                    &i2c_bus->i2c_adap,
475                                    &dvico_xc5000_tunerconfig);
476                 break;
477         case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP: {
478                 i2c_bus = &dev->i2c_bus[port->nr - 1];
479
480                 port->dvb.frontend = dvb_attach(zl10353_attach,
481                                                &dvico_fusionhdtv_xc3028,
482                                                &i2c_bus->i2c_adap);
483                 if (port->dvb.frontend != NULL) {
484                         struct dvb_frontend      *fe;
485                         struct xc2028_config      cfg = {
486                                 .i2c_adap  = &i2c_bus->i2c_adap,
487                                 .i2c_addr  = 0x61,
488                                 .video_dev = port,
489                                 .callback  = cx23885_tuner_callback,
490                         };
491                         static struct xc2028_ctrl ctl = {
492                                 .fname       = "xc3028-v27.fw",
493                                 .max_len     = 64,
494                                 .demod       = XC3028_FE_ZARLINK456,
495                         };
496
497                         fe = dvb_attach(xc2028_attach, port->dvb.frontend,
498                                         &cfg);
499                         if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
500                                 fe->ops.tuner_ops.set_config(fe, &ctl);
501                 }
502                 break;
503         }
504         case CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H:
505                 i2c_bus = &dev->i2c_bus[0];
506
507                 port->dvb.frontend = dvb_attach(zl10353_attach,
508                         &dvico_fusionhdtv_xc3028,
509                         &i2c_bus->i2c_adap);
510                 if (port->dvb.frontend != NULL) {
511                         struct dvb_frontend      *fe;
512                         struct xc2028_config      cfg = {
513                                 .i2c_adap  = &dev->i2c_bus[1].i2c_adap,
514                                 .i2c_addr  = 0x61,
515                                 .video_dev = port,
516                                 .callback  = cx23885_tuner_callback,
517                         };
518                         static struct xc2028_ctrl ctl = {
519                                 .fname       = "xc3028-v27.fw",
520                                 .max_len     = 64,
521                                 .demod       = XC3028_FE_ZARLINK456,
522                         };
523
524                         fe = dvb_attach(xc2028_attach, port->dvb.frontend,
525                                 &cfg);
526                         if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
527                                 fe->ops.tuner_ops.set_config(fe, &ctl);
528                 }
529                 break;
530         default:
531                 printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
532                        dev->name);
533                 break;
534         }
535         if (NULL == port->dvb.frontend) {
536                 printk("%s: frontend initialization failed\n", dev->name);
537                 return -1;
538         }
539
540         /* Put the analog decoder in standby to keep it quiet */
541         cx23885_call_i2c_clients(i2c_bus, TUNER_SET_STANDBY, NULL);
542
543         if (port->dvb.frontend->ops.analog_ops.standby)
544                 port->dvb.frontend->ops.analog_ops.standby(port->dvb.frontend);
545
546         /* register everything */
547         return videobuf_dvb_register(&port->dvb, THIS_MODULE, port,
548                                      &dev->pci->dev, adapter_nr);
549 }
550
551 int cx23885_dvb_register(struct cx23885_tsport *port)
552 {
553         struct cx23885_dev *dev = port->dev;
554         int err;
555
556         dprintk(1, "%s\n", __func__);
557         dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
558                 dev->board,
559                 dev->name,
560                 dev->pci_bus,
561                 dev->pci_slot);
562
563         err = -ENODEV;
564
565         /* dvb stuff */
566         printk("%s: cx23885 based dvb card\n", dev->name);
567         videobuf_queue_sg_init(&port->dvb.dvbq, &dvb_qops, &dev->pci->dev, &port->slock,
568                             V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP,
569                             sizeof(struct cx23885_buffer), port);
570         err = dvb_register(port);
571         if (err != 0)
572                 printk("%s() dvb_register failed err = %d\n", __func__, err);
573
574         return err;
575 }
576
577 int cx23885_dvb_unregister(struct cx23885_tsport *port)
578 {
579         /* dvb */
580         if(port->dvb.frontend)
581                 videobuf_dvb_unregister(&port->dvb);
582
583         return 0;
584 }
585
586 /*
587  * Local variables:
588  * c-basic-offset: 8
589  * End:
590  * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
591 */