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
dvb_buf_setup(struct videobuf_queue * q,unsigned int * count,unsigned int * size)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
dvb_buf_prepare(struct videobuf_queue * q,struct videobuf_buffer * vb,enum v4l2_field field)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
dvb_buf_queue(struct videobuf_queue * q,struct videobuf_buffer * vb)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
dvb_buf_release(struct videobuf_queue * q,struct videobuf_buffer * vb)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
dvb_register(struct cx23885_tsport * port)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 struct videobuf_dvb_frontend *fe0;
316
317 /* Get the first frontend */
318 fe0 = videobuf_dvb_get_frontend(&port->frontends, 1);
319 if (!fe0)
320 return -EINVAL;
321
322 /* init struct videobuf_dvb */
323 fe0->dvb.name = dev->name;
324
325 /* init frontend */
326 switch (dev->board) {
327 case CX23885_BOARD_HAUPPAUGE_HVR1250:
328 i2c_bus = &dev->i2c_bus[0];
329 fe0->dvb.frontend = dvb_attach(s5h1409_attach,
330 &hauppauge_generic_config,
331 &i2c_bus->i2c_adap);
332 if (fe0->dvb.frontend != NULL) {
333 dvb_attach(mt2131_attach, fe0->dvb.frontend,
334 &i2c_bus->i2c_adap,
335 &hauppauge_generic_tunerconfig, 0);
336 }
337 break;
338 case CX23885_BOARD_HAUPPAUGE_HVR1800:
339 i2c_bus = &dev->i2c_bus[0];
340 switch (alt_tuner) {
341 case 1:
342 fe0->dvb.frontend =
343 dvb_attach(s5h1409_attach,
344 &hauppauge_ezqam_config,
345 &i2c_bus->i2c_adap);
346 if (fe0->dvb.frontend != NULL) {
347 dvb_attach(tda829x_attach, fe0->dvb.frontend,
348 &dev->i2c_bus[1].i2c_adap, 0x42,
349 &tda829x_no_probe);
350 dvb_attach(tda18271_attach, fe0->dvb.frontend,
351 0x60, &dev->i2c_bus[1].i2c_adap,
352 &hauppauge_tda18271_config);
353 }
354 break;
355 case 0:
356 default:
357 fe0->dvb.frontend =
358 dvb_attach(s5h1409_attach,
359 &hauppauge_generic_config,
360 &i2c_bus->i2c_adap);
361 if (fe0->dvb.frontend != NULL)
362 dvb_attach(mt2131_attach, fe0->dvb.frontend,
363 &i2c_bus->i2c_adap,
364 &hauppauge_generic_tunerconfig, 0);
365 break;
366 }
367 break;
368 case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
369 i2c_bus = &dev->i2c_bus[0];
370 fe0->dvb.frontend = dvb_attach(s5h1409_attach,
371 &hauppauge_hvr1800lp_config,
372 &i2c_bus->i2c_adap);
373 if (fe0->dvb.frontend != NULL) {
374 dvb_attach(mt2131_attach, fe0->dvb.frontend,
375 &i2c_bus->i2c_adap,
376 &hauppauge_generic_tunerconfig, 0);
377 }
378 break;
379 case CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP:
380 i2c_bus = &dev->i2c_bus[0];
381 fe0->dvb.frontend = dvb_attach(lgdt330x_attach,
382 &fusionhdtv_5_express,
383 &i2c_bus->i2c_adap);
384 if (fe0->dvb.frontend != NULL) {
385 dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
386 &i2c_bus->i2c_adap, 0x61,
387 TUNER_LG_TDVS_H06XF);
388 }
389 break;
390 case CX23885_BOARD_HAUPPAUGE_HVR1500Q:
391 i2c_bus = &dev->i2c_bus[1];
392 fe0->dvb.frontend = dvb_attach(s5h1409_attach,
393 &hauppauge_hvr1500q_config,
394 &dev->i2c_bus[0].i2c_adap);
395 if (fe0->dvb.frontend != NULL)
396 dvb_attach(xc5000_attach, fe0->dvb.frontend,
397 &i2c_bus->i2c_adap,
398 &hauppauge_hvr1500q_tunerconfig);
399 break;
400 case CX23885_BOARD_HAUPPAUGE_HVR1500:
401 i2c_bus = &dev->i2c_bus[1];
402 fe0->dvb.frontend = dvb_attach(s5h1409_attach,
403 &hauppauge_hvr1500_config,
404 &dev->i2c_bus[0].i2c_adap);
405 if (fe0->dvb.frontend != NULL) {
406 struct dvb_frontend *fe;
407 struct xc2028_config cfg = {
408 .i2c_adap = &i2c_bus->i2c_adap,
409 .i2c_addr = 0x61,
410 };
411 static struct xc2028_ctrl ctl = {
412 .fname = XC2028_DEFAULT_FIRMWARE,
413 .max_len = 64,
414 .scode_table = XC3028_FE_OREN538,
415 };
416
417 fe = dvb_attach(xc2028_attach,
418 fe0->dvb.frontend, &cfg);
419 if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
420 fe->ops.tuner_ops.set_config(fe, &ctl);
421 }
422 break;
423 case CX23885_BOARD_HAUPPAUGE_HVR1200:
424 case CX23885_BOARD_HAUPPAUGE_HVR1700:
425 i2c_bus = &dev->i2c_bus[0];
426 fe0->dvb.frontend = dvb_attach(tda10048_attach,
427 &hauppauge_hvr1200_config,
428 &i2c_bus->i2c_adap);
429 if (fe0->dvb.frontend != NULL) {
430 dvb_attach(tda829x_attach, fe0->dvb.frontend,
431 &dev->i2c_bus[1].i2c_adap, 0x42,
432 &tda829x_no_probe);
433 dvb_attach(tda18271_attach, fe0->dvb.frontend,
434 0x60, &dev->i2c_bus[1].i2c_adap,
435 &hauppauge_hvr1200_tuner_config);
436 }
437 break;
438 case CX23885_BOARD_HAUPPAUGE_HVR1400:
439 i2c_bus = &dev->i2c_bus[0];
440 fe0->dvb.frontend = dvb_attach(dib7000p_attach,
441 &i2c_bus->i2c_adap,
442 0x12, &hauppauge_hvr1400_dib7000_config);
443 if (fe0->dvb.frontend != NULL) {
444 struct dvb_frontend *fe;
445 struct xc2028_config cfg = {
446 .i2c_adap = &dev->i2c_bus[1].i2c_adap,
447 .i2c_addr = 0x64,
448 };
449 static struct xc2028_ctrl ctl = {
450 .fname = XC3028L_DEFAULT_FIRMWARE,
451 .max_len = 64,
452 .demod = 5000,
453 /* This is true for all demods with
454 v36 firmware? */
455 .type = XC2028_D2633,
456 };
457
458 fe = dvb_attach(xc2028_attach,
459 fe0->dvb.frontend, &cfg);
460 if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
461 fe->ops.tuner_ops.set_config(fe, &ctl);
462 }
463 break;
464 case CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP:
465 i2c_bus = &dev->i2c_bus[port->nr - 1];
466
467 fe0->dvb.frontend = dvb_attach(s5h1409_attach,
468 &dvico_s5h1409_config,
469 &i2c_bus->i2c_adap);
470 if (fe0->dvb.frontend == NULL)
471 fe0->dvb.frontend = dvb_attach(s5h1411_attach,
472 &dvico_s5h1411_config,
473 &i2c_bus->i2c_adap);
474 if (fe0->dvb.frontend != NULL)
475 dvb_attach(xc5000_attach, fe0->dvb.frontend,
476 &i2c_bus->i2c_adap,
477 &dvico_xc5000_tunerconfig);
478 break;
479 case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP: {
480 i2c_bus = &dev->i2c_bus[port->nr - 1];
481
482 fe0->dvb.frontend = dvb_attach(zl10353_attach,
483 &dvico_fusionhdtv_xc3028,
484 &i2c_bus->i2c_adap);
485 if (fe0->dvb.frontend != NULL) {
486 struct dvb_frontend *fe;
487 struct xc2028_config cfg = {
488 .i2c_adap = &i2c_bus->i2c_adap,
489 .i2c_addr = 0x61,
490 };
491 static struct xc2028_ctrl ctl = {
492 .fname = XC2028_DEFAULT_FIRMWARE,
493 .max_len = 64,
494 .demod = XC3028_FE_ZARLINK456,
495 };
496
497 fe = dvb_attach(xc2028_attach, fe0->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 case CX23885_BOARD_COMPRO_VIDEOMATE_E650F:
506 i2c_bus = &dev->i2c_bus[0];
507
508 fe0->dvb.frontend = dvb_attach(zl10353_attach,
509 &dvico_fusionhdtv_xc3028,
510 &i2c_bus->i2c_adap);
511 if (fe0->dvb.frontend != NULL) {
512 struct dvb_frontend *fe;
513 struct xc2028_config cfg = {
514 .i2c_adap = &dev->i2c_bus[1].i2c_adap,
515 .i2c_addr = 0x61,
516 };
517 static struct xc2028_ctrl ctl = {
518 .fname = XC2028_DEFAULT_FIRMWARE,
519 .max_len = 64,
520 .demod = XC3028_FE_ZARLINK456,
521 };
522
523 fe = dvb_attach(xc2028_attach, fe0->dvb.frontend,
524 &cfg);
525 if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
526 fe->ops.tuner_ops.set_config(fe, &ctl);
527 }
528 break;
529 default:
530 printk(KERN_INFO "%s: The frontend of your DVB/ATSC card "
531 " isn't supported yet\n",
532 dev->name);
533 break;
534 }
535 if (NULL == fe0->dvb.frontend) {
536 printk(KERN_ERR "%s: frontend initialization failed\n",
537 dev->name);
538 return -1;
539 }
540 /* define general-purpose callback pointer */
541 fe0->dvb.frontend->callback = cx23885_tuner_callback;
542
543 /* Put the analog decoder in standby to keep it quiet */
544 cx23885_call_i2c_clients(i2c_bus, TUNER_SET_STANDBY, NULL);
545
546 if (fe0->dvb.frontend->ops.analog_ops.standby)
547 fe0->dvb.frontend->ops.analog_ops.standby(fe0->dvb.frontend);
548
549 /* register everything */
550 return videobuf_dvb_register_bus(&port->frontends, THIS_MODULE, port,
551 &dev->pci->dev, adapter_nr, 0);
552
553 }
554
cx23885_dvb_register(struct cx23885_tsport * port)555 int cx23885_dvb_register(struct cx23885_tsport *port)
556 {
557
558 struct videobuf_dvb_frontend *fe0;
559 struct cx23885_dev *dev = port->dev;
560 int err, i;
561
562 /* Here we need to allocate the correct number of frontends,
563 * as reflected in the cards struct. The reality is that currrently
564 * no cx23885 boards support this - yet. But, if we don't modify this
565 * code then the second frontend would never be allocated (later)
566 * and fail with error before the attach in dvb_register().
567 * Without these changes we risk an OOPS later. The changes here
568 * are for safety, and should provide a good foundation for the
569 * future addition of any multi-frontend cx23885 based boards.
570 */
571 printk(KERN_INFO "%s() allocating %d frontend(s)\n", __func__,
572 port->num_frontends);
573
574 for (i = 1; i <= port->num_frontends; i++) {
575 if (videobuf_dvb_alloc_frontend(
576 &port->frontends, i) == NULL) {
577 printk(KERN_ERR "%s() failed to alloc\n", __func__);
578 return -ENOMEM;
579 }
580
581 fe0 = videobuf_dvb_get_frontend(&port->frontends, i);
582 if (!fe0)
583 err = -EINVAL;
584
585 dprintk(1, "%s\n", __func__);
586 dprintk(1, " ->probed by Card=%d Name=%s, PCI %02x:%02x\n",
587 dev->board,
588 dev->name,
589 dev->pci_bus,
590 dev->pci_slot);
591
592 err = -ENODEV;
593
594 /* dvb stuff */
595 /* We have to init the queue for each frontend on a port. */
596 printk(KERN_INFO "%s: cx23885 based dvb card\n", dev->name);
597 videobuf_queue_sg_init(&fe0->dvb.dvbq, &dvb_qops,
598 &dev->pci->dev, &port->slock,
599 V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP,
600 sizeof(struct cx23885_buffer), port);
601 }
602 err = dvb_register(port);
603 if (err != 0)
604 printk(KERN_ERR "%s() dvb_register failed err = %d\n",
605 __func__, err);
606
607 return err;
608 }
609
cx23885_dvb_unregister(struct cx23885_tsport * port)610 int cx23885_dvb_unregister(struct cx23885_tsport *port)
611 {
612 struct videobuf_dvb_frontend *fe0;
613
614 /* FIXME: in an error condition where the we have
615 * an expected number of frontends (attach problem)
616 * then this might not clean up correctly, if 1
617 * is invalid.
618 * This comment only applies to future boards IF they
619 * implement MFE support.
620 */
621 fe0 = videobuf_dvb_get_frontend(&port->frontends, 1);
622 if (fe0->dvb.frontend)
623 videobuf_dvb_unregister_bus(&port->frontends);
624
625 return 0;
626 }
627
628