24bd18327aa0f50b924bdf69527a5e373937c7fb
[linux-2.6.git] / 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 };
193
194 static struct xc5000_config dvico_xc5000_tunerconfig = {
195         .i2c_address      = 0x64,
196         .if_khz           = 5380,
197 };
198
199 static struct tda829x_config tda829x_no_probe = {
200         .probe_tuner = TDA829X_DONT_PROBE,
201 };
202
203 static struct tda18271_std_map hauppauge_tda18271_std_map = {
204         .atsc_6   = { .if_freq = 5380, .agc_mode = 3, .std = 3,
205                       .if_lvl = 6, .rfagc_top = 0x37 },
206         .qam_6    = { .if_freq = 4000, .agc_mode = 3, .std = 0,
207                       .if_lvl = 6, .rfagc_top = 0x37 },
208 };
209
210 static struct tda18271_config hauppauge_tda18271_config = {
211         .std_map = &hauppauge_tda18271_std_map,
212         .gate    = TDA18271_GATE_ANALOG,
213 };
214
215 static struct tda18271_config hauppauge_hvr1200_tuner_config = {
216         .gate    = TDA18271_GATE_ANALOG,
217 };
218
219 static struct dibx000_agc_config xc3028_agc_config = {
220         BAND_VHF | BAND_UHF,    /* band_caps */
221
222         /* P_agc_use_sd_mod1=0, P_agc_use_sd_mod2=0, P_agc_freq_pwm_div=0,
223          * P_agc_inv_pwm1=0, P_agc_inv_pwm2=0,
224          * P_agc_inh_dc_rv_est=0, P_agc_time_est=3, P_agc_freeze=0,
225          * P_agc_nb_est=2, P_agc_write=0
226          */
227         (0 << 15) | (0 << 14) | (0 << 11) | (0 << 10) | (0 << 9) | (0 << 8) |
228                 (3 << 5) | (0 << 4) | (2 << 1) | (0 << 0), /* setup */
229
230         712,    /* inv_gain */
231         21,     /* time_stabiliz */
232
233         0,      /* alpha_level */
234         118,    /* thlock */
235
236         0,      /* wbd_inv */
237         2867,   /* wbd_ref */
238         0,      /* wbd_sel */
239         2,      /* wbd_alpha */
240
241         0,      /* agc1_max */
242         0,      /* agc1_min */
243         39718,  /* agc2_max */
244         9930,   /* agc2_min */
245         0,      /* agc1_pt1 */
246         0,      /* agc1_pt2 */
247         0,      /* agc1_pt3 */
248         0,      /* agc1_slope1 */
249         0,      /* agc1_slope2 */
250         0,      /* agc2_pt1 */
251         128,    /* agc2_pt2 */
252         29,     /* agc2_slope1 */
253         29,     /* agc2_slope2 */
254
255         17,     /* alpha_mant */
256         27,     /* alpha_exp */
257         23,     /* beta_mant */
258         51,     /* beta_exp */
259
260         1,      /* perform_agc_softsplit */
261 };
262
263 /* PLL Configuration for COFDM BW_MHz = 8.000000
264  * With external clock = 30.000000 */
265 static struct dibx000_bandwidth_config xc3028_bw_config = {
266         60000,  /* internal */
267         30000,  /* sampling */
268         1,      /* pll_cfg: prediv */
269         8,      /* pll_cfg: ratio */
270         3,      /* pll_cfg: range */
271         1,      /* pll_cfg: reset */
272         0,      /* pll_cfg: bypass */
273         0,      /* misc: refdiv */
274         0,      /* misc: bypclk_div */
275         1,      /* misc: IO_CLK_en_core */
276         1,      /* misc: ADClkSrc */
277         0,      /* misc: modulo */
278         (3 << 14) | (1 << 12) | (524 << 0), /* sad_cfg: refsel, sel, freq_15k */
279         (1 << 25) | 5816102, /* ifreq = 5.200000 MHz */
280         20452225, /* timf */
281         30000000  /* xtal_hz */
282 };
283
284 static struct dib7000p_config hauppauge_hvr1400_dib7000_config = {
285         .output_mpeg2_in_188_bytes = 1,
286         .hostbus_diversity = 1,
287         .tuner_is_baseband = 0,
288         .update_lna  = NULL,
289
290         .agc_config_count = 1,
291         .agc = &xc3028_agc_config,
292         .bw  = &xc3028_bw_config,
293
294         .gpio_dir = DIB7000P_GPIO_DEFAULT_DIRECTIONS,
295         .gpio_val = DIB7000P_GPIO_DEFAULT_VALUES,
296         .gpio_pwm_pos = DIB7000P_GPIO_DEFAULT_PWM_POS,
297
298         .pwm_freq_div = 0,
299         .agc_control  = NULL,
300         .spur_protect = 0,
301
302         .output_mode = OUTMODE_MPEG2_SERIAL,
303 };
304
305 static struct zl10353_config dvico_fusionhdtv_xc3028 = {
306         .demod_address = 0x0f,
307         .if2           = 45600,
308         .no_tuner      = 1,
309 };
310
311 static int dvb_register(struct cx23885_tsport *port)
312 {
313         struct cx23885_dev *dev = port->dev;
314         struct cx23885_i2c *i2c_bus = NULL;
315
316         /* init struct videobuf_dvb */
317         port->dvb.name = dev->name;
318
319         /* init frontend */
320         switch (dev->board) {
321         case CX23885_BOARD_HAUPPAUGE_HVR1250:
322                 i2c_bus = &dev->i2c_bus[0];
323                 port->dvb.frontend = dvb_attach(s5h1409_attach,
324                                                 &hauppauge_generic_config,
325                                                 &i2c_bus->i2c_adap);
326                 if (port->dvb.frontend != NULL) {
327                         dvb_attach(mt2131_attach, port->dvb.frontend,
328                                    &i2c_bus->i2c_adap,
329                                    &hauppauge_generic_tunerconfig, 0);
330                 }
331                 break;
332         case CX23885_BOARD_HAUPPAUGE_HVR1800:
333                 i2c_bus = &dev->i2c_bus[0];
334                 switch (alt_tuner) {
335                 case 1:
336                         port->dvb.frontend =
337                                 dvb_attach(s5h1409_attach,
338                                            &hauppauge_ezqam_config,
339                                            &i2c_bus->i2c_adap);
340                         if (port->dvb.frontend != NULL) {
341                                 dvb_attach(tda829x_attach, port->dvb.frontend,
342                                            &dev->i2c_bus[1].i2c_adap, 0x42,
343                                            &tda829x_no_probe);
344                                 dvb_attach(tda18271_attach, port->dvb.frontend,
345                                            0x60, &dev->i2c_bus[1].i2c_adap,
346                                            &hauppauge_tda18271_config);
347                         }
348                         break;
349                 case 0:
350                 default:
351                         port->dvb.frontend =
352                                 dvb_attach(s5h1409_attach,
353                                            &hauppauge_generic_config,
354                                            &i2c_bus->i2c_adap);
355                         if (port->dvb.frontend != NULL)
356                                 dvb_attach(mt2131_attach, port->dvb.frontend,
357                                            &i2c_bus->i2c_adap,
358                                            &hauppauge_generic_tunerconfig, 0);
359                         break;
360                 }
361                 break;
362         case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
363                 i2c_bus = &dev->i2c_bus[0];
364                 port->dvb.frontend = dvb_attach(s5h1409_attach,
365                                                 &hauppauge_hvr1800lp_config,
366                                                 &i2c_bus->i2c_adap);
367                 if (port->dvb.frontend != NULL) {
368                         dvb_attach(mt2131_attach, port->dvb.frontend,
369                                    &i2c_bus->i2c_adap,
370                                    &hauppauge_generic_tunerconfig, 0);
371                 }
372                 break;
373         case CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP:
374                 i2c_bus = &dev->i2c_bus[0];
375                 port->dvb.frontend = dvb_attach(lgdt330x_attach,
376                                                 &fusionhdtv_5_express,
377                                                 &i2c_bus->i2c_adap);
378                 if (port->dvb.frontend != NULL) {
379                         dvb_attach(simple_tuner_attach, port->dvb.frontend,
380                                    &i2c_bus->i2c_adap, 0x61,
381                                    TUNER_LG_TDVS_H06XF);
382                 }
383                 break;
384         case CX23885_BOARD_HAUPPAUGE_HVR1500Q:
385                 i2c_bus = &dev->i2c_bus[1];
386                 port->dvb.frontend = dvb_attach(s5h1409_attach,
387                                                 &hauppauge_hvr1500q_config,
388                                                 &dev->i2c_bus[0].i2c_adap);
389                 if (port->dvb.frontend != NULL)
390                         dvb_attach(xc5000_attach, port->dvb.frontend,
391                                    &i2c_bus->i2c_adap,
392                                    &hauppauge_hvr1500q_tunerconfig);
393                 break;
394         case CX23885_BOARD_HAUPPAUGE_HVR1500:
395                 i2c_bus = &dev->i2c_bus[1];
396                 port->dvb.frontend = dvb_attach(s5h1409_attach,
397                                                 &hauppauge_hvr1500_config,
398                                                 &dev->i2c_bus[0].i2c_adap);
399                 if (port->dvb.frontend != NULL) {
400                         struct dvb_frontend *fe;
401                         struct xc2028_config cfg = {
402                                 .i2c_adap  = &i2c_bus->i2c_adap,
403                                 .i2c_addr  = 0x61,
404                         };
405                         static struct xc2028_ctrl ctl = {
406                                 .fname       = XC2028_DEFAULT_FIRMWARE,
407                                 .max_len     = 64,
408                                 .scode_table = XC3028_FE_OREN538,
409                         };
410
411                         fe = dvb_attach(xc2028_attach,
412                                         port->dvb.frontend, &cfg);
413                         if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
414                                 fe->ops.tuner_ops.set_config(fe, &ctl);
415                 }
416                 break;
417         case CX23885_BOARD_HAUPPAUGE_HVR1200:
418         case CX23885_BOARD_HAUPPAUGE_HVR1700:
419                 i2c_bus = &dev->i2c_bus[0];
420                 port->dvb.frontend = dvb_attach(tda10048_attach,
421                         &hauppauge_hvr1200_config,
422                         &i2c_bus->i2c_adap);
423                 if (port->dvb.frontend != NULL) {
424                         dvb_attach(tda829x_attach, port->dvb.frontend,
425                                 &dev->i2c_bus[1].i2c_adap, 0x42,
426                                 &tda829x_no_probe);
427                         dvb_attach(tda18271_attach, port->dvb.frontend,
428                                 0x60, &dev->i2c_bus[1].i2c_adap,
429                                 &hauppauge_hvr1200_tuner_config);
430                 }
431                 break;
432         case CX23885_BOARD_HAUPPAUGE_HVR1400:
433                 i2c_bus = &dev->i2c_bus[0];
434                 port->dvb.frontend = dvb_attach(dib7000p_attach,
435                         &i2c_bus->i2c_adap,
436                         0x12, &hauppauge_hvr1400_dib7000_config);
437                 if (port->dvb.frontend != NULL) {
438                         struct dvb_frontend *fe;
439                         struct xc2028_config cfg = {
440                                 .i2c_adap  = &dev->i2c_bus[1].i2c_adap,
441                                 .i2c_addr  = 0x64,
442                         };
443                         static struct xc2028_ctrl ctl = {
444                                 .fname   = XC3028L_DEFAULT_FIRMWARE,
445                                 .max_len = 64,
446                                 .demod   = 5000,
447                                 /* This is true for all demods with v36 firmware? */
448                                 .type    = XC2028_D2633,
449                         };
450
451                         fe = dvb_attach(xc2028_attach,
452                                         port->dvb.frontend, &cfg);
453                         if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
454                                 fe->ops.tuner_ops.set_config(fe, &ctl);
455                 }
456                 break;
457         case CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP:
458                 i2c_bus = &dev->i2c_bus[port->nr - 1];
459
460                 port->dvb.frontend = dvb_attach(s5h1409_attach,
461                                                 &dvico_s5h1409_config,
462                                                 &i2c_bus->i2c_adap);
463                 if (port->dvb.frontend == NULL)
464                         port->dvb.frontend = dvb_attach(s5h1411_attach,
465                                                         &dvico_s5h1411_config,
466                                                         &i2c_bus->i2c_adap);
467                 if (port->dvb.frontend != NULL)
468                         dvb_attach(xc5000_attach, port->dvb.frontend,
469                                    &i2c_bus->i2c_adap,
470                                    &dvico_xc5000_tunerconfig);
471                 break;
472         case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP: {
473                 i2c_bus = &dev->i2c_bus[port->nr - 1];
474
475                 port->dvb.frontend = dvb_attach(zl10353_attach,
476                                                &dvico_fusionhdtv_xc3028,
477                                                &i2c_bus->i2c_adap);
478                 if (port->dvb.frontend != NULL) {
479                         struct dvb_frontend      *fe;
480                         struct xc2028_config      cfg = {
481                                 .i2c_adap  = &i2c_bus->i2c_adap,
482                                 .i2c_addr  = 0x61,
483                         };
484                         static struct xc2028_ctrl ctl = {
485                                 .fname       = XC2028_DEFAULT_FIRMWARE,
486                                 .max_len     = 64,
487                                 .demod       = XC3028_FE_ZARLINK456,
488                         };
489
490                         fe = dvb_attach(xc2028_attach, port->dvb.frontend,
491                                         &cfg);
492                         if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
493                                 fe->ops.tuner_ops.set_config(fe, &ctl);
494                 }
495                 break;
496         }
497         case CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H:
498                 i2c_bus = &dev->i2c_bus[0];
499
500                 port->dvb.frontend = dvb_attach(zl10353_attach,
501                         &dvico_fusionhdtv_xc3028,
502                         &i2c_bus->i2c_adap);
503                 if (port->dvb.frontend != NULL) {
504                         struct dvb_frontend      *fe;
505                         struct xc2028_config      cfg = {
506                                 .i2c_adap  = &dev->i2c_bus[1].i2c_adap,
507                                 .i2c_addr  = 0x61,
508                         };
509                         static struct xc2028_ctrl ctl = {
510                                 .fname       = XC2028_DEFAULT_FIRMWARE,
511                                 .max_len     = 64,
512                                 .demod       = XC3028_FE_ZARLINK456,
513                         };
514
515                         fe = dvb_attach(xc2028_attach, port->dvb.frontend,
516                                 &cfg);
517                         if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
518                                 fe->ops.tuner_ops.set_config(fe, &ctl);
519                 }
520                 break;
521         default:
522                 printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
523                        dev->name);
524                 break;
525         }
526         if (NULL == port->dvb.frontend) {
527                 printk("%s: frontend initialization failed\n", dev->name);
528                 return -1;
529         }
530         /* define general-purpose callback pointer */
531         port->dvb.frontend->callback = cx23885_tuner_callback;
532
533         /* Put the analog decoder in standby to keep it quiet */
534         cx23885_call_i2c_clients(i2c_bus, TUNER_SET_STANDBY, NULL);
535
536         if (port->dvb.frontend->ops.analog_ops.standby)
537                 port->dvb.frontend->ops.analog_ops.standby(port->dvb.frontend);
538
539         /* register everything */
540         return videobuf_dvb_register(&port->dvb, THIS_MODULE, port,
541                                      &dev->pci->dev, adapter_nr);
542 }
543
544 int cx23885_dvb_register(struct cx23885_tsport *port)
545 {
546         struct cx23885_dev *dev = port->dev;
547         int err;
548
549         dprintk(1, "%s\n", __func__);
550         dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
551                 dev->board,
552                 dev->name,
553                 dev->pci_bus,
554                 dev->pci_slot);
555
556         err = -ENODEV;
557
558         /* dvb stuff */
559         printk("%s: cx23885 based dvb card\n", dev->name);
560         videobuf_queue_sg_init(&port->dvb.dvbq, &dvb_qops, &dev->pci->dev, &port->slock,
561                             V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP,
562                             sizeof(struct cx23885_buffer), port);
563         err = dvb_register(port);
564         if (err != 0)
565                 printk("%s() dvb_register failed err = %d\n", __func__, err);
566
567         return err;
568 }
569
570 int cx23885_dvb_unregister(struct cx23885_tsport *port)
571 {
572         /* dvb */
573         if(port->dvb.frontend)
574                 videobuf_dvb_unregister(&port->dvb);
575
576         return 0;
577 }
578
579 /*
580  * Local variables:
581  * c-basic-offset: 8
582  * End:
583  * 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
584 */