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[media] cx231xx: use dev_foo instead of printk
[linux-2.6-block.git] / drivers / media / usb / cx231xx / cx231xx-dvb.c
CommitLineData
e0d3bafd
SD		 1/*
2 DVB device driver for cx231xx
3
4 Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
b9255176 5 Based on em28xx driver
e0d3bafd
SD		 6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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
589dadf2 22#include "cx231xx.h"
e0d3bafd 23#include <linux/kernel.h>
5a0e3ad6 24#include <linux/slab.h>
e0d3bafd 25
e0d3bafd
SD		 26#include <media/v4l2-common.h>
27#include <media/videobuf-vmalloc.h>
28
29#include "xc5000.h"
64fbf444
PB		 30#include "s5h1432.h"
31#include "tda18271.h"
32#include "s5h1411.h"
1a50fdde 33#include "lgdt3305.h"
dd2e7dd2 34#include "si2165.h"
ede676c7 35#include "mb86a20s.h"
9e49f7c3 36#include "si2157.h"
e0d3bafd 37
e0d3bafd
SD		 38MODULE_DESCRIPTION("driver for cx231xx based DVB cards");
39MODULE_AUTHOR("Srinivasa Deevi <srinivasa.deevi@conexant.com>");
40MODULE_LICENSE("GPL");
41
42static unsigned int debug;
43module_param(debug, int, 0644);
44MODULE_PARM_DESC(debug, "enable debug messages [dvb]");
45
46DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
47
e0d3bafd
SD		 48#define CX231XX_DVB_NUM_BUFS 5
49#define CX231XX_DVB_MAX_PACKETSIZE 564
50#define CX231XX_DVB_MAX_PACKETS 64
51
52struct cx231xx_dvb {
84b5dbf3 53 struct dvb_frontend *frontend;
e0d3bafd
SD		 54
55 /* feed count management */
84b5dbf3
MCC		 56 struct mutex lock;
57 int nfeeds;
e0d3bafd
SD		 58
59 /* general boilerplate stuff */
84b5dbf3
MCC		 60 struct dvb_adapter adapter;
61 struct dvb_demux demux;
62 struct dmxdev dmxdev;
63 struct dmx_frontend fe_hw;
64 struct dmx_frontend fe_mem;
65 struct dvb_net net;
6d3debaf 66 struct i2c_client *i2c_client_tuner;
e0d3bafd
SD		 67};
68
64fbf444
PB		 69static struct s5h1432_config dvico_s5h1432_config = {
70 .output_mode = S5H1432_SERIAL_OUTPUT,
71 .gpio = S5H1432_GPIO_ON,
72 .qam_if = S5H1432_IF_4000,
73 .vsb_if = S5H1432_IF_4000,
74 .inversion = S5H1432_INVERSION_OFF,
75 .status_mode = S5H1432_DEMODLOCKING,
76 .mpeg_timing = S5H1432_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
77};
78
79static struct tda18271_std_map cnxt_rde253s_tda18271_std_map = {
80 .dvbt_6 = { .if_freq = 4000, .agc_mode = 3, .std = 4,
81 .if_lvl = 1, .rfagc_top = 0x37, },
82 .dvbt_7 = { .if_freq = 4000, .agc_mode = 3, .std = 5,
83 .if_lvl = 1, .rfagc_top = 0x37, },
84 .dvbt_8 = { .if_freq = 4000, .agc_mode = 3, .std = 6,
85 .if_lvl = 1, .rfagc_top = 0x37, },
86};
87
ede676c7 88static struct tda18271_std_map mb86a20s_tda18271_config = {
84c09d72
MCC		 89 .dvbt_6 = { .if_freq = 4000, .agc_mode = 3, .std = 4,
90 .if_lvl = 0, .rfagc_top = 0x37, },
ede676c7
MCC		 91};
92
64fbf444
PB		 93static struct tda18271_config cnxt_rde253s_tunerconfig = {
94 .std_map = &cnxt_rde253s_tda18271_std_map,
95 .gate = TDA18271_GATE_ANALOG,
96};
97
98static struct s5h1411_config tda18271_s5h1411_config = {
99 .output_mode = S5H1411_SERIAL_OUTPUT,
100 .gpio = S5H1411_GPIO_OFF,
101 .vsb_if = S5H1411_IF_3250,
102 .qam_if = S5H1411_IF_4000,
103 .inversion = S5H1411_INVERSION_ON,
104 .status_mode = S5H1411_DEMODLOCKING,
105 .mpeg_timing = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
106};
107static struct s5h1411_config xc5000_s5h1411_config = {
108 .output_mode = S5H1411_SERIAL_OUTPUT,
109 .gpio = S5H1411_GPIO_OFF,
110 .vsb_if = S5H1411_IF_3250,
111 .qam_if = S5H1411_IF_3250,
112 .inversion = S5H1411_INVERSION_OFF,
113 .status_mode = S5H1411_DEMODLOCKING,
114 .mpeg_timing = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
115};
1a50fdde
MK		 116
117static struct lgdt3305_config hcw_lgdt3305_config = {
118 .i2c_addr = 0x0e,
119 .mpeg_mode = LGDT3305_MPEG_SERIAL,
120 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
121 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
122 .deny_i2c_rptr = 1,
123 .spectral_inversion = 1,
124 .qam_if_khz = 4000,
125 .vsb_if_khz = 3250,
126};
127
128static struct tda18271_std_map hauppauge_tda18271_std_map = {
129 .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 4,
130 .if_lvl = 1, .rfagc_top = 0x58, },
131 .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 5,
132 .if_lvl = 1, .rfagc_top = 0x58, },
133};
134
135static struct tda18271_config hcw_tda18271_config = {
136 .std_map = &hauppauge_tda18271_std_map,
137 .gate = TDA18271_GATE_DIGITAL,
138};
139
ede676c7
MCC		 140static const struct mb86a20s_config pv_mb86a20s_config = {
141 .demod_address = 0x10,
7572f9c5 142 .is_serial = true,
ede676c7
MCC		 143};
144
145static struct tda18271_config pv_tda18271_config = {
146 .std_map = &mb86a20s_tda18271_config,
147 .gate = TDA18271_GATE_DIGITAL,
148 .small_i2c = TDA18271_03_BYTE_CHUNK_INIT,
149};
150
dd2e7dd2
MS		 151static const struct si2165_config hauppauge_930C_HD_1113xx_si2165_config = {
152 .i2c_addr = 0x64,
153 .chip_mode = SI2165_MODE_PLL_XTAL,
154 .ref_freq_Hz = 16000000,
155};
156
9e49f7c3
MS		 157static const struct si2165_config pctv_quatro_stick_1114xx_si2165_config = {
158 .i2c_addr = 0x64,
159 .chip_mode = SI2165_MODE_PLL_EXT,
160 .ref_freq_Hz = 24000000,
161};
162
84b5dbf3 163static inline void print_err_status(struct cx231xx *dev, int packet, int status)
e0d3bafd
SD		 164{
165 char *errmsg = "Unknown";
166
167 switch (status) {
168 case -ENOENT:
169 errmsg = "unlinked synchronuously";
170 break;
171 case -ECONNRESET:
172 errmsg = "unlinked asynchronuously";
173 break;
174 case -ENOSR:
175 errmsg = "Buffer error (overrun)";
176 break;
177 case -EPIPE:
178 errmsg = "Stalled (device not responding)";
179 break;
180 case -EOVERFLOW:
181 errmsg = "Babble (bad cable?)";
182 break;
183 case -EPROTO:
184 errmsg = "Bit-stuff error (bad cable?)";
185 break;
186 case -EILSEQ:
187 errmsg = "CRC/Timeout (could be anything)";
188 break;
189 case -ETIME:
190 errmsg = "Device does not respond";
191 break;
192 }
193 if (packet < 0) {
3b795d01
MCC		 194 dev_dbg(&dev->udev->dev,
195 "URB status %d [%s].\n", status, errmsg);
e0d3bafd 196 } else {
3b795d01
MCC		 197 dev_dbg(&dev->udev->dev,
198 "URB packet %d, status %d [%s].\n",
e0d3bafd
SD		 199 packet, status, errmsg);
200 }
201}
202
203static inline int dvb_isoc_copy(struct cx231xx *dev, struct urb *urb)
204{
205 int i;
206
207 if (!dev)
208 return 0;
209
990862a2 210 if (dev->state & DEV_DISCONNECTED)
e0d3bafd
SD		 211 return 0;
212
213 if (urb->status < 0) {
214 print_err_status(dev, -1, urb->status);
215 if (urb->status == -ENOENT)
216 return 0;
217 }
218
219 for (i = 0; i < urb->number_of_packets; i++) {
220 int status = urb->iso_frame_desc[i].status;
221
222 if (status < 0) {
223 print_err_status(dev, i, status);
224 if (urb->iso_frame_desc[i].status != -EPROTO)
225 continue;
226 }
227
64fbf444
PB		 228 dvb_dmx_swfilter(&dev->dvb->demux,
229 urb->transfer_buffer +
230 urb->iso_frame_desc[i].offset,
231 urb->iso_frame_desc[i].actual_length);
e0d3bafd
SD		 232 }
233
234 return 0;
235}
236
64fbf444
PB		 237static inline int dvb_bulk_copy(struct cx231xx *dev, struct urb *urb)
238{
64fbf444
PB		 239 if (!dev)
240 return 0;
241
990862a2 242 if (dev->state & DEV_DISCONNECTED)
64fbf444
PB		 243 return 0;
244
245 if (urb->status < 0) {
246 print_err_status(dev, -1, urb->status);
247 if (urb->status == -ENOENT)
248 return 0;
249 }
250
251 /* Feed the transport payload into the kernel demux */
252 dvb_dmx_swfilter(&dev->dvb->demux,
253 urb->transfer_buffer, urb->actual_length);
254
255 return 0;
256}
257
e0d3bafd
SD		 258static int start_streaming(struct cx231xx_dvb *dvb)
259{
260 int rc;
261 struct cx231xx *dev = dvb->adapter.priv;
262
64fbf444 263 if (dev->USE_ISO) {
b7085c08 264 dev_dbg(&dev->udev->dev, "DVB transfer mode is ISO.\n");
64fbf444 265 cx231xx_set_alt_setting(dev, INDEX_TS1, 4);
64fbf444
PB		 266 rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
267 if (rc < 0)
268 return rc;
269 dev->mode_tv = 1;
270 return cx231xx_init_isoc(dev, CX231XX_DVB_MAX_PACKETS,
271 CX231XX_DVB_NUM_BUFS,
272 dev->ts1_mode.max_pkt_size,
273 dvb_isoc_copy);
274 } else {
b7085c08 275 dev_dbg(&dev->udev->dev, "DVB transfer mode is BULK.\n");
64fbf444
PB		 276 cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
277 rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
278 if (rc < 0)
279 return rc;
280 dev->mode_tv = 1;
281 return cx231xx_init_bulk(dev, CX231XX_DVB_MAX_PACKETS,
282 CX231XX_DVB_NUM_BUFS,
283 dev->ts1_mode.max_pkt_size,
284 dvb_bulk_copy);
285 }
e0d3bafd 286
e0d3bafd
SD		 287}
288
289static int stop_streaming(struct cx231xx_dvb *dvb)
290{
291 struct cx231xx *dev = dvb->adapter.priv;
292
64fbf444
PB		 293 if (dev->USE_ISO)
294 cx231xx_uninit_isoc(dev);
295 else
296 cx231xx_uninit_bulk(dev);
e0d3bafd
SD		 297
298 cx231xx_set_mode(dev, CX231XX_SUSPEND);
299
300 return 0;
301}
302
303static int start_feed(struct dvb_demux_feed *feed)
304{
84b5dbf3 305 struct dvb_demux *demux = feed->demux;
e0d3bafd
SD		 306 struct cx231xx_dvb *dvb = demux->priv;
307 int rc, ret;
308
309 if (!demux->dmx.frontend)
310 return -EINVAL;
311
312 mutex_lock(&dvb->lock);
313 dvb->nfeeds++;
314 rc = dvb->nfeeds;
315
316 if (dvb->nfeeds == 1) {
317 ret = start_streaming(dvb);
318 if (ret < 0)
319 rc = ret;
320 }
321
322 mutex_unlock(&dvb->lock);
323 return rc;
324}
325
326static int stop_feed(struct dvb_demux_feed *feed)
327{
84b5dbf3 328 struct dvb_demux *demux = feed->demux;
e0d3bafd
SD		 329 struct cx231xx_dvb *dvb = demux->priv;
330 int err = 0;
331
332 mutex_lock(&dvb->lock);
333 dvb->nfeeds--;
334
335 if (0 == dvb->nfeeds)
336 err = stop_streaming(dvb);
337
338 mutex_unlock(&dvb->lock);
339 return err;
340}
341
e0d3bafd
SD		 342/* ------------------------------------------------------------------ */
343static int cx231xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
344{
345 struct cx231xx *dev = fe->dvb->priv;
346
347 if (acquire)
348 return cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
349 else
350 return cx231xx_set_mode(dev, CX231XX_SUSPEND);
351}
352
353/* ------------------------------------------------------------------ */
354
e0d3bafd 355static struct xc5000_config cnxt_rde250_tunerconfig = {
84b5dbf3 356 .i2c_address = 0x61,
64fbf444
PB		 357 .if_khz = 4000,
358};
359static struct xc5000_config cnxt_rdu250_tunerconfig = {
360 .i2c_address = 0x61,
361 .if_khz = 3250,
e0d3bafd
SD		 362};
363
e0d3bafd
SD		 364/* ------------------------------------------------------------------ */
365#if 0
366static int attach_xc5000(u8 addr, struct cx231xx *dev)
367{
368
369 struct dvb_frontend *fe;
370 struct xc5000_config cfg;
371
372 memset(&cfg, 0, sizeof(cfg));
c3c3f1ae 373 cfg.i2c_adap = cx231xx_get_i2c_adap(dev, dev->board.tuner_i2c_master);
84b5dbf3 374 cfg.i2c_addr = addr;
e0d3bafd
SD		 375
376 if (!dev->dvb->frontend) {
3b795d01 377 dev_err(&dev->udev->dev, "%s/2: dvb frontend not attached. "
84b5dbf3 378 "Can't attach xc5000\n", dev->name);
e0d3bafd
SD		 379 return -EINVAL;
380 }
381
382 fe = dvb_attach(xc5000_attach, dev->dvb->frontend, &cfg);
383 if (!fe) {
3b795d01
MCC		 384 dev_err(&dev->udev->dev,
385 "%s/2: xc5000 attach failed\n", dev->name);
e0d3bafd
SD		 386 dvb_frontend_detach(dev->dvb->frontend);
387 dev->dvb->frontend = NULL;
388 return -EINVAL;
389 }
390
3b795d01 391 dev_info(&dev->udev->dev, "%s/2: xc5000 attached\n", dev->name);
e0d3bafd
SD		 392
393 return 0;
394}
395#endif
396
84b5dbf3 397int cx231xx_set_analog_freq(struct cx231xx *dev, u32 freq)
e0d3bafd 398{
84b5dbf3 399 if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) {
e0d3bafd 400
84b5dbf3 401 struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops;
e0d3bafd 402
84b5dbf3
MCC		 403 if (dops->set_analog_params != NULL) {
404 struct analog_parameters params;
e0d3bafd 405
84b5dbf3
MCC		 406 params.frequency = freq;
407 params.std = dev->norm;
408 params.mode = 0; /* 0- Air; 1 - cable */
409 /*params.audmode = ; */
e0d3bafd 410
84b5dbf3 411 /* Set the analog parameters to set the frequency */
84b5dbf3 412 dops->set_analog_params(dev->dvb->frontend, &params);
e0d3bafd
SD		 413 }
414
84b5dbf3
MCC		 415 }
416
ea21f702 417 return 0;
e0d3bafd
SD		 418}
419
420int cx231xx_reset_analog_tuner(struct cx231xx *dev)
421{
84b5dbf3 422 int status = 0;
e0d3bafd 423
84b5dbf3 424 if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) {
e0d3bafd 425
84b5dbf3 426 struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops;
e0d3bafd 427
84b5dbf3 428 if (dops->init != NULL && !dev->xc_fw_load_done) {
e0d3bafd 429
b7085c08
MCC		 430 dev_dbg(&dev->udev->dev,
431 "Reloading firmware for XC5000\n");
84b5dbf3
MCC		 432 status = dops->init(dev->dvb->frontend);
433 if (status == 0) {
434 dev->xc_fw_load_done = 1;
b7085c08
MCC		 435 dev_dbg(&dev->udev->dev,
436 "XC5000 firmware download completed\n");
84b5dbf3
MCC		 437 } else {
438 dev->xc_fw_load_done = 0;
b7085c08
MCC		 439 dev_dbg(&dev->udev->dev,
440 "XC5000 firmware download failed !!!\n");
e0d3bafd 441 }
e0d3bafd
SD		 442 }
443
84b5dbf3
MCC		 444 }
445
e0d3bafd
SD		 446 return status;
447}
448
e0d3bafd
SD		 449/* ------------------------------------------------------------------ */
450
451static int register_dvb(struct cx231xx_dvb *dvb,
84b5dbf3
MCC		 452 struct module *module,
453 struct cx231xx *dev, struct device *device)
e0d3bafd
SD		 454{
455 int result;
456
457 mutex_init(&dvb->lock);
458
459 /* register adapter */
460 result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,
461 adapter_nr);
462 if (result < 0) {
3b795d01 463 dev_warn(&dev->udev->dev,
84b5dbf3 464 "%s: dvb_register_adapter failed (errno = %d)\n",
e0d3bafd
SD		 465 dev->name, result);
466 goto fail_adapter;
467 }
468
469 /* Ensure all frontends negotiate bus access */
470 dvb->frontend->ops.ts_bus_ctrl = cx231xx_dvb_bus_ctrl;
471
472 dvb->adapter.priv = dev;
473
474 /* register frontend */
475 result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
476 if (result < 0) {
3b795d01 477 dev_warn(&dev->udev->dev,
84b5dbf3 478 "%s: dvb_register_frontend failed (errno = %d)\n",
e0d3bafd
SD		 479 dev->name, result);
480 goto fail_frontend;
481 }
482
483 /* register demux stuff */
484 dvb->demux.dmx.capabilities =
84b5dbf3
MCC		 485 DMX_TS_FILTERING | DMX_SECTION_FILTERING |
486 DMX_MEMORY_BASED_FILTERING;
487 dvb->demux.priv = dvb;
488 dvb->demux.filternum = 256;
489 dvb->demux.feednum = 256;
e0d3bafd 490 dvb->demux.start_feed = start_feed;
84b5dbf3 491 dvb->demux.stop_feed = stop_feed;
e0d3bafd
SD		 492
493 result = dvb_dmx_init(&dvb->demux);
494 if (result < 0) {
3b795d01
MCC		 495 dev_warn(&dev->udev->dev,
496 "%s: dvb_dmx_init failed (errno = %d)\n",
e0d3bafd
SD		 497 dev->name, result);
498 goto fail_dmx;
499 }
500
84b5dbf3
MCC		 501 dvb->dmxdev.filternum = 256;
502 dvb->dmxdev.demux = &dvb->demux.dmx;
e0d3bafd
SD		 503 dvb->dmxdev.capabilities = 0;
504 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
505 if (result < 0) {
3b795d01
MCC		 506 dev_warn(&dev->udev->dev,
507 "%s: dvb_dmxdev_init failed (errno = %d)\n",
508 dev->name, result);
e0d3bafd
SD		 509 goto fail_dmxdev;
510 }
511
512 dvb->fe_hw.source = DMX_FRONTEND_0;
513 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
514 if (result < 0) {
3b795d01 515 dev_warn(&dev->udev->dev,
84b5dbf3 516 "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
e0d3bafd
SD		 517 dev->name, result);
518 goto fail_fe_hw;
519 }
520
521 dvb->fe_mem.source = DMX_MEMORY_FE;
522 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
523 if (result < 0) {
3b795d01
MCC		 524 dev_warn(&dev->udev->dev,
525 "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
526 dev->name, result);
e0d3bafd
SD		 527 goto fail_fe_mem;
528 }
529
530 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
531 if (result < 0) {
3b795d01
MCC		 532 dev_warn(&dev->udev->dev,
533 "%s: connect_frontend failed (errno = %d)\n",
534 dev->name, result);
e0d3bafd
SD		 535 goto fail_fe_conn;
536 }
537
538 /* register network adapter */
539 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
540 return 0;
541
b9255176 542fail_fe_conn:
e0d3bafd 543 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
b9255176 544fail_fe_mem:
e0d3bafd 545 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
b9255176 546fail_fe_hw:
e0d3bafd 547 dvb_dmxdev_release(&dvb->dmxdev);
b9255176 548fail_dmxdev:
e0d3bafd 549 dvb_dmx_release(&dvb->demux);
b9255176 550fail_dmx:
e0d3bafd 551 dvb_unregister_frontend(dvb->frontend);
b9255176 552fail_frontend:
e0d3bafd
SD		 553 dvb_frontend_detach(dvb->frontend);
554 dvb_unregister_adapter(&dvb->adapter);
b9255176 555fail_adapter:
e0d3bafd
SD		 556 return result;
557}
558
559static void unregister_dvb(struct cx231xx_dvb *dvb)
560{
6d3debaf 561 struct i2c_client *client;
e0d3bafd
SD		 562 dvb_net_release(&dvb->net);
563 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
564 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
565 dvb_dmxdev_release(&dvb->dmxdev);
566 dvb_dmx_release(&dvb->demux);
6d3debaf
MS		 567 client = dvb->i2c_client_tuner;
568 /* remove I2C tuner */
569 if (client) {
570 module_put(client->dev.driver->owner);
571 i2c_unregister_device(client);
572 }
e0d3bafd
SD		 573 dvb_unregister_frontend(dvb->frontend);
574 dvb_frontend_detach(dvb->frontend);
575 dvb_unregister_adapter(&dvb->adapter);
576}
577
e0d3bafd
SD		 578static int dvb_init(struct cx231xx *dev)
579{
580 int result = 0;
581 struct cx231xx_dvb *dvb;
c3c3f1ae
MS		 582 struct i2c_adapter *tuner_i2c;
583 struct i2c_adapter *demod_i2c;
e0d3bafd
SD		 584
585 if (!dev->board.has_dvb) {
586 /* This device does not support the extension */
587 return 0;
588 }
589
590 dvb = kzalloc(sizeof(struct cx231xx_dvb), GFP_KERNEL);
591
592 if (dvb == NULL) {
3b795d01
MCC		 593 dev_info(&dev->udev->dev,
594 "cx231xx_dvb: memory allocation failed\n");
e0d3bafd
SD		 595 return -ENOMEM;
596 }
597 dev->dvb = dvb;
598 dev->cx231xx_set_analog_freq = cx231xx_set_analog_freq;
84b5dbf3 599 dev->cx231xx_reset_analog_tuner = cx231xx_reset_analog_tuner;
e0d3bafd 600
c3c3f1ae
MS		 601 tuner_i2c = cx231xx_get_i2c_adap(dev, dev->board.tuner_i2c_master);
602 demod_i2c = cx231xx_get_i2c_adap(dev, dev->board.demod_i2c_master);
761f6cf6 603 mutex_lock(&dev->lock);
e0d3bafd 604 cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
64fbf444 605 cx231xx_demod_reset(dev);
e0d3bafd
SD		 606 /* init frontend */
607 switch (dev->model) {
64fbf444 608 case CX231XX_BOARD_CNXT_CARRAERA:
84b5dbf3
MCC		 609 case CX231XX_BOARD_CNXT_RDE_250:
610
64fbf444
PB		 611 dev->dvb->frontend = dvb_attach(s5h1432_attach,
612 &dvico_s5h1432_config,
c3c3f1ae 613 demod_i2c);
84b5dbf3
MCC		 614
615 if (dev->dvb->frontend == NULL) {
3b795d01
MCC		 616 dev_err(&dev->udev->dev,
617 "Failed to attach s5h1432 front end\n");
84b5dbf3
MCC		 618 result = -EINVAL;
619 goto out_free;
620 }
621
622 /* define general-purpose callback pointer */
623 dvb->frontend->callback = cx231xx_tuner_callback;
624
d5abcc78 625 if (!dvb_attach(xc5000_attach, dev->dvb->frontend,
c3c3f1ae 626 tuner_i2c,
d5abcc78 627 &cnxt_rde250_tunerconfig)) {
84b5dbf3
MCC		 628 result = -EINVAL;
629 goto out_free;
630 }
631
632 break;
64fbf444 633 case CX231XX_BOARD_CNXT_SHELBY:
84b5dbf3
MCC		 634 case CX231XX_BOARD_CNXT_RDU_250:
635
64fbf444
PB		 636 dev->dvb->frontend = dvb_attach(s5h1411_attach,
637 &xc5000_s5h1411_config,
c3c3f1ae 638 demod_i2c);
84b5dbf3
MCC		 639
640 if (dev->dvb->frontend == NULL) {
3b795d01
MCC		 641 dev_err(&dev->udev->dev,
642 "Failed to attach s5h1411 front end\n");
84b5dbf3
MCC		 643 result = -EINVAL;
644 goto out_free;
645 }
646
647 /* define general-purpose callback pointer */
648 dvb->frontend->callback = cx231xx_tuner_callback;
649
d5abcc78 650 if (!dvb_attach(xc5000_attach, dev->dvb->frontend,
c3c3f1ae 651 tuner_i2c,
64fbf444
PB		 652 &cnxt_rdu250_tunerconfig)) {
653 result = -EINVAL;
654 goto out_free;
655 }
656 break;
657 case CX231XX_BOARD_CNXT_RDE_253S:
658
659 dev->dvb->frontend = dvb_attach(s5h1432_attach,
660 &dvico_s5h1432_config,
c3c3f1ae 661 demod_i2c);
64fbf444
PB		 662
663 if (dev->dvb->frontend == NULL) {
3b795d01
MCC		 664 dev_err(&dev->udev->dev,
665 "Failed to attach s5h1432 front end\n");
64fbf444
PB		 666 result = -EINVAL;
667 goto out_free;
668 }
669
670 /* define general-purpose callback pointer */
671 dvb->frontend->callback = cx231xx_tuner_callback;
672
673 if (!dvb_attach(tda18271_attach, dev->dvb->frontend,
c3c3f1ae 674 0x60, tuner_i2c,
64fbf444
PB		 675 &cnxt_rde253s_tunerconfig)) {
676 result = -EINVAL;
677 goto out_free;
678 }
679 break;
680 case CX231XX_BOARD_CNXT_RDU_253S:
8b1255a2 681 case CX231XX_BOARD_KWORLD_UB445_USB_HYBRID:
64fbf444
PB		 682
683 dev->dvb->frontend = dvb_attach(s5h1411_attach,
684 &tda18271_s5h1411_config,
c3c3f1ae 685 demod_i2c);
64fbf444
PB		 686
687 if (dev->dvb->frontend == NULL) {
3b795d01
MCC		 688 dev_err(&dev->udev->dev,
689 "Failed to attach s5h1411 front end\n");
64fbf444
PB		 690 result = -EINVAL;
691 goto out_free;
692 }
693
694 /* define general-purpose callback pointer */
695 dvb->frontend->callback = cx231xx_tuner_callback;
696
697 if (!dvb_attach(tda18271_attach, dev->dvb->frontend,
c3c3f1ae 698 0x60, tuner_i2c,
64fbf444 699 &cnxt_rde253s_tunerconfig)) {
84b5dbf3
MCC		 700 result = -EINVAL;
701 goto out_free;
702 }
703 break;
1a50fdde
MK		 704 case CX231XX_BOARD_HAUPPAUGE_EXETER:
705
3b795d01
MCC		 706 dev_info(&dev->udev->dev,
707 "%s: looking for tuner / demod on i2c bus: %d\n",
c3c3f1ae 708 __func__, i2c_adapter_id(tuner_i2c));
1a50fdde
MK		 709
710 dev->dvb->frontend = dvb_attach(lgdt3305_attach,
711 &hcw_lgdt3305_config,
c3c3f1ae 712 tuner_i2c);
1a50fdde
MK		 713
714 if (dev->dvb->frontend == NULL) {
3b795d01
MCC		 715 dev_err(&dev->udev->dev,
716 "Failed to attach LG3305 front end\n");
1a50fdde
MK		 717 result = -EINVAL;
718 goto out_free;
719 }
720
721 /* define general-purpose callback pointer */
722 dvb->frontend->callback = cx231xx_tuner_callback;
723
724 dvb_attach(tda18271_attach, dev->dvb->frontend,
c3c3f1ae 725 0x60, tuner_i2c,
1a50fdde
MK		 726 &hcw_tda18271_config);
727 break;
728
dd2e7dd2
MS		 729 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx:
730
731 dev->dvb->frontend = dvb_attach(si2165_attach,
732 &hauppauge_930C_HD_1113xx_si2165_config,
c3c3f1ae 733 tuner_i2c
dd2e7dd2
MS		 734 );
735
736 if (dev->dvb->frontend == NULL) {
3b795d01
MCC		 737 dev_err(&dev->udev->dev,
738 "Failed to attach SI2165 front end\n");
dd2e7dd2
MS		 739 result = -EINVAL;
740 goto out_free;
741 }
742
3f9280a8 743 dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
dd2e7dd2
MS		 744
745 /* define general-purpose callback pointer */
746 dvb->frontend->callback = cx231xx_tuner_callback;
747
748 dvb_attach(tda18271_attach, dev->dvb->frontend,
749 0x60,
c3c3f1ae 750 tuner_i2c,
dd2e7dd2
MS		 751 &hcw_tda18271_config);
752
753 dev->cx231xx_reset_analog_tuner = NULL;
754 break;
755
9e49f7c3
MS		 756 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx:
757 {
758 struct i2c_client *client;
759 struct i2c_board_info info;
760 struct si2157_config si2157_config;
761
762 memset(&info, 0, sizeof(struct i2c_board_info));
763
764 dev->dvb->frontend = dvb_attach(si2165_attach,
765 &pctv_quatro_stick_1114xx_si2165_config,
c3c3f1ae 766 tuner_i2c
9e49f7c3
MS		 767 );
768
769 if (dev->dvb->frontend == NULL) {
3b795d01
MCC		 770 dev_err(&dev->udev->dev,
771 "Failed to attach SI2165 front end\n");
9e49f7c3
MS		 772 result = -EINVAL;
773 goto out_free;
774 }
775
3f9280a8 776 dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
9e49f7c3
MS		 777
778 /* define general-purpose callback pointer */
779 dvb->frontend->callback = cx231xx_tuner_callback;
780
781 /* attach tuner */
782 memset(&si2157_config, 0, sizeof(si2157_config));
783 si2157_config.fe = dev->dvb->frontend;
784 si2157_config.inversion = true;
785 strlcpy(info.type, "si2157", I2C_NAME_SIZE);
786 info.addr = 0x60;
787 info.platform_data = &si2157_config;
788 request_module("si2157");
789
790 client = i2c_new_device(
c3c3f1ae 791 tuner_i2c,
9e49f7c3
MS		 792 &info);
793 if (client == NULL || client->dev.driver == NULL) {
794 dvb_frontend_detach(dev->dvb->frontend);
795 result = -ENODEV;
796 goto out_free;
797 }
798
799 if (!try_module_get(client->dev.driver->owner)) {
800 i2c_unregister_device(client);
801 dvb_frontend_detach(dev->dvb->frontend);
802 result = -ENODEV;
803 goto out_free;
804 }
805
806 dev->cx231xx_reset_analog_tuner = NULL;
807
808 dev->dvb->i2c_client_tuner = client;
809 break;
810 }
811
ede676c7 812 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
eeaaf817 813 case CX231XX_BOARD_KWORLD_UB430_USB_HYBRID:
ede676c7 814
3b795d01
MCC		 815 dev_info(&dev->udev->dev,
816 "%s: looking for demod on i2c bus: %d\n",
817 __func__, i2c_adapter_id(tuner_i2c));
ede676c7
MCC		 818
819 dev->dvb->frontend = dvb_attach(mb86a20s_attach,
820 &pv_mb86a20s_config,
c3c3f1ae 821 demod_i2c);
ede676c7
MCC		 822
823 if (dev->dvb->frontend == NULL) {
3b795d01
MCC		 824 dev_err(&dev->udev->dev,
825 "Failed to attach mb86a20s demod\n");
ede676c7
MCC		 826 result = -EINVAL;
827 goto out_free;
828 }
829
830 /* define general-purpose callback pointer */
831 dvb->frontend->callback = cx231xx_tuner_callback;
832
833 dvb_attach(tda18271_attach, dev->dvb->frontend,
c3c3f1ae 834 0x60, tuner_i2c,
ede676c7
MCC		 835 &pv_tda18271_config);
836 break;
e0d3bafd
SD		 837
838 default:
3b795d01
MCC		 839 dev_err(&dev->udev->dev,
840 "%s/2: The frontend of your DVB/ATSC card isn't supported yet\n",
841 dev->name);
e0d3bafd
SD		 842 break;
843 }
844 if (NULL == dvb->frontend) {
3b795d01 845 dev_err(&dev->udev->dev,
84b5dbf3 846 "%s/2: frontend initialization failed\n", dev->name);
e0d3bafd
SD		 847 result = -EINVAL;
848 goto out_free;
849 }
850
e0d3bafd
SD		 851 /* register everything */
852 result = register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
853
854 if (result < 0)
855 goto out_free;
856
761f6cf6 857
3b795d01 858 dev_info(&dev->udev->dev, "Successfully loaded cx231xx-dvb\n");
e0d3bafd 859
761f6cf6 860ret:
e0d3bafd 861 cx231xx_set_mode(dev, CX231XX_SUSPEND);
761f6cf6
DH		 862 mutex_unlock(&dev->lock);
863 return result;
864
865out_free:
e0d3bafd
SD		 866 kfree(dvb);
867 dev->dvb = NULL;
761f6cf6 868 goto ret;
e0d3bafd
SD		 869}
870
871static int dvb_fini(struct cx231xx *dev)
872{
873 if (!dev->board.has_dvb) {
874 /* This device does not support the extension */
875 return 0;
876 }
877
878 if (dev->dvb) {
879 unregister_dvb(dev->dvb);
880 dev->dvb = NULL;
881 }
882
883 return 0;
884}
885
886static struct cx231xx_ops dvb_ops = {
84b5dbf3 887 .id = CX231XX_DVB,
e0d3bafd
SD		 888 .name = "Cx231xx dvb Extension",
889 .init = dvb_init,
890 .fini = dvb_fini,
891};
892
893static int __init cx231xx_dvb_register(void)
894{
895 return cx231xx_register_extension(&dvb_ops);
896}
897
898static void __exit cx231xx_dvb_unregister(void)
899{
900 cx231xx_unregister_extension(&dvb_ops);
901}
902
903module_init(cx231xx_dvb_register);
904module_exit(cx231xx_dvb_unregister);
Linux 6.x block layer and io_uring tree(s)