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Merge branch 'cpuidle' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux...
[deliverable/linux.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"
809abdbf 37#include "lgdt3306a.h"
e0d3bafd 38
e0d3bafd
SD		 39MODULE_DESCRIPTION("driver for cx231xx based DVB cards");
40MODULE_AUTHOR("Srinivasa Deevi <srinivasa.deevi@conexant.com>");
41MODULE_LICENSE("GPL");
42
43static unsigned int debug;
44module_param(debug, int, 0644);
45MODULE_PARM_DESC(debug, "enable debug messages [dvb]");
46
47DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
48
e0d3bafd
SD		 49#define CX231XX_DVB_NUM_BUFS 5
50#define CX231XX_DVB_MAX_PACKETSIZE 564
51#define CX231XX_DVB_MAX_PACKETS 64
52
53struct cx231xx_dvb {
84b5dbf3 54 struct dvb_frontend *frontend;
e0d3bafd
SD		 55
56 /* feed count management */
84b5dbf3
MCC		 57 struct mutex lock;
58 int nfeeds;
e0d3bafd
SD		 59
60 /* general boilerplate stuff */
84b5dbf3
MCC		 61 struct dvb_adapter adapter;
62 struct dvb_demux demux;
63 struct dmxdev dmxdev;
64 struct dmx_frontend fe_hw;
65 struct dmx_frontend fe_mem;
66 struct dvb_net net;
6d3debaf 67 struct i2c_client *i2c_client_tuner;
e0d3bafd
SD		 68};
69
64fbf444
PB		 70static struct s5h1432_config dvico_s5h1432_config = {
71 .output_mode = S5H1432_SERIAL_OUTPUT,
72 .gpio = S5H1432_GPIO_ON,
73 .qam_if = S5H1432_IF_4000,
74 .vsb_if = S5H1432_IF_4000,
75 .inversion = S5H1432_INVERSION_OFF,
76 .status_mode = S5H1432_DEMODLOCKING,
77 .mpeg_timing = S5H1432_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
78};
79
80static struct tda18271_std_map cnxt_rde253s_tda18271_std_map = {
81 .dvbt_6 = { .if_freq = 4000, .agc_mode = 3, .std = 4,
82 .if_lvl = 1, .rfagc_top = 0x37, },
83 .dvbt_7 = { .if_freq = 4000, .agc_mode = 3, .std = 5,
84 .if_lvl = 1, .rfagc_top = 0x37, },
85 .dvbt_8 = { .if_freq = 4000, .agc_mode = 3, .std = 6,
86 .if_lvl = 1, .rfagc_top = 0x37, },
87};
88
ede676c7 89static struct tda18271_std_map mb86a20s_tda18271_config = {
84c09d72
MCC		 90 .dvbt_6 = { .if_freq = 4000, .agc_mode = 3, .std = 4,
91 .if_lvl = 0, .rfagc_top = 0x37, },
ede676c7
MCC		 92};
93
64fbf444
PB		 94static struct tda18271_config cnxt_rde253s_tunerconfig = {
95 .std_map = &cnxt_rde253s_tda18271_std_map,
96 .gate = TDA18271_GATE_ANALOG,
97};
98
99static struct s5h1411_config tda18271_s5h1411_config = {
100 .output_mode = S5H1411_SERIAL_OUTPUT,
101 .gpio = S5H1411_GPIO_OFF,
102 .vsb_if = S5H1411_IF_3250,
103 .qam_if = S5H1411_IF_4000,
104 .inversion = S5H1411_INVERSION_ON,
105 .status_mode = S5H1411_DEMODLOCKING,
106 .mpeg_timing = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
107};
108static struct s5h1411_config xc5000_s5h1411_config = {
109 .output_mode = S5H1411_SERIAL_OUTPUT,
110 .gpio = S5H1411_GPIO_OFF,
111 .vsb_if = S5H1411_IF_3250,
112 .qam_if = S5H1411_IF_3250,
113 .inversion = S5H1411_INVERSION_OFF,
114 .status_mode = S5H1411_DEMODLOCKING,
115 .mpeg_timing = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
116};
1a50fdde
MK		 117
118static struct lgdt3305_config hcw_lgdt3305_config = {
119 .i2c_addr = 0x0e,
120 .mpeg_mode = LGDT3305_MPEG_SERIAL,
121 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
122 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
123 .deny_i2c_rptr = 1,
124 .spectral_inversion = 1,
125 .qam_if_khz = 4000,
126 .vsb_if_khz = 3250,
127};
128
129static struct tda18271_std_map hauppauge_tda18271_std_map = {
130 .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 4,
131 .if_lvl = 1, .rfagc_top = 0x58, },
132 .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 5,
133 .if_lvl = 1, .rfagc_top = 0x58, },
134};
135
136static struct tda18271_config hcw_tda18271_config = {
137 .std_map = &hauppauge_tda18271_std_map,
138 .gate = TDA18271_GATE_DIGITAL,
139};
140
ede676c7
MCC		 141static const struct mb86a20s_config pv_mb86a20s_config = {
142 .demod_address = 0x10,
7572f9c5 143 .is_serial = true,
ede676c7
MCC		 144};
145
146static struct tda18271_config pv_tda18271_config = {
147 .std_map = &mb86a20s_tda18271_config,
148 .gate = TDA18271_GATE_DIGITAL,
149 .small_i2c = TDA18271_03_BYTE_CHUNK_INIT,
150};
151
dd2e7dd2
MS		 152static const struct si2165_config hauppauge_930C_HD_1113xx_si2165_config = {
153 .i2c_addr = 0x64,
154 .chip_mode = SI2165_MODE_PLL_XTAL,
155 .ref_freq_Hz = 16000000,
156};
157
9e49f7c3
MS		 158static const struct si2165_config pctv_quatro_stick_1114xx_si2165_config = {
159 .i2c_addr = 0x64,
160 .chip_mode = SI2165_MODE_PLL_EXT,
161 .ref_freq_Hz = 24000000,
162};
163
809abdbf
OS		 164static struct lgdt3306a_config hauppauge_955q_lgdt3306a_config = {
165 .i2c_addr = 0x59,
166 .qam_if_khz = 4000,
167 .vsb_if_khz = 3250,
168 .deny_i2c_rptr = 1,
169 .spectral_inversion = 1,
170 .mpeg_mode = LGDT3306A_MPEG_SERIAL,
171 .tpclk_edge = LGDT3306A_TPCLK_RISING_EDGE,
172 .tpvalid_polarity = LGDT3306A_TP_VALID_HIGH,
173 .xtalMHz = 25,
174};
175
84b5dbf3 176static inline void print_err_status(struct cx231xx *dev, int packet, int status)
e0d3bafd
SD		 177{
178 char *errmsg = "Unknown";
179
180 switch (status) {
181 case -ENOENT:
182 errmsg = "unlinked synchronuously";
183 break;
184 case -ECONNRESET:
185 errmsg = "unlinked asynchronuously";
186 break;
187 case -ENOSR:
188 errmsg = "Buffer error (overrun)";
189 break;
190 case -EPIPE:
191 errmsg = "Stalled (device not responding)";
192 break;
193 case -EOVERFLOW:
194 errmsg = "Babble (bad cable?)";
195 break;
196 case -EPROTO:
197 errmsg = "Bit-stuff error (bad cable?)";
198 break;
199 case -EILSEQ:
200 errmsg = "CRC/Timeout (could be anything)";
201 break;
202 case -ETIME:
203 errmsg = "Device does not respond";
204 break;
205 }
206 if (packet < 0) {
336fea92 207 dev_dbg(dev->dev,
3b795d01 208 "URB status %d [%s].\n", status, errmsg);
e0d3bafd 209 } else {
336fea92 210 dev_dbg(dev->dev,
3b795d01 211 "URB packet %d, status %d [%s].\n",
e0d3bafd
SD		 212 packet, status, errmsg);
213 }
214}
215
216static inline int dvb_isoc_copy(struct cx231xx *dev, struct urb *urb)
217{
218 int i;
219
220 if (!dev)
221 return 0;
222
990862a2 223 if (dev->state & DEV_DISCONNECTED)
e0d3bafd
SD		 224 return 0;
225
226 if (urb->status < 0) {
227 print_err_status(dev, -1, urb->status);
228 if (urb->status == -ENOENT)
229 return 0;
230 }
231
232 for (i = 0; i < urb->number_of_packets; i++) {
233 int status = urb->iso_frame_desc[i].status;
234
235 if (status < 0) {
236 print_err_status(dev, i, status);
237 if (urb->iso_frame_desc[i].status != -EPROTO)
238 continue;
239 }
240
64fbf444
PB		 241 dvb_dmx_swfilter(&dev->dvb->demux,
242 urb->transfer_buffer +
243 urb->iso_frame_desc[i].offset,
244 urb->iso_frame_desc[i].actual_length);
e0d3bafd
SD		 245 }
246
247 return 0;
248}
249
64fbf444
PB		 250static inline int dvb_bulk_copy(struct cx231xx *dev, struct urb *urb)
251{
64fbf444
PB		 252 if (!dev)
253 return 0;
254
990862a2 255 if (dev->state & DEV_DISCONNECTED)
64fbf444
PB		 256 return 0;
257
258 if (urb->status < 0) {
259 print_err_status(dev, -1, urb->status);
260 if (urb->status == -ENOENT)
261 return 0;
262 }
263
264 /* Feed the transport payload into the kernel demux */
265 dvb_dmx_swfilter(&dev->dvb->demux,
266 urb->transfer_buffer, urb->actual_length);
267
268 return 0;
269}
270
e0d3bafd
SD		 271static int start_streaming(struct cx231xx_dvb *dvb)
272{
273 int rc;
274 struct cx231xx *dev = dvb->adapter.priv;
275
64fbf444 276 if (dev->USE_ISO) {
336fea92 277 dev_dbg(dev->dev, "DVB transfer mode is ISO.\n");
64fbf444 278 cx231xx_set_alt_setting(dev, INDEX_TS1, 4);
64fbf444
PB		 279 rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
280 if (rc < 0)
281 return rc;
282 dev->mode_tv = 1;
283 return cx231xx_init_isoc(dev, CX231XX_DVB_MAX_PACKETS,
284 CX231XX_DVB_NUM_BUFS,
285 dev->ts1_mode.max_pkt_size,
286 dvb_isoc_copy);
287 } else {
336fea92 288 dev_dbg(dev->dev, "DVB transfer mode is BULK.\n");
64fbf444
PB		 289 cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
290 rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
291 if (rc < 0)
292 return rc;
293 dev->mode_tv = 1;
294 return cx231xx_init_bulk(dev, CX231XX_DVB_MAX_PACKETS,
295 CX231XX_DVB_NUM_BUFS,
296 dev->ts1_mode.max_pkt_size,
297 dvb_bulk_copy);
298 }
e0d3bafd 299
e0d3bafd
SD		 300}
301
302static int stop_streaming(struct cx231xx_dvb *dvb)
303{
304 struct cx231xx *dev = dvb->adapter.priv;
305
64fbf444
PB		 306 if (dev->USE_ISO)
307 cx231xx_uninit_isoc(dev);
308 else
309 cx231xx_uninit_bulk(dev);
e0d3bafd
SD		 310
311 cx231xx_set_mode(dev, CX231XX_SUSPEND);
312
313 return 0;
314}
315
316static int start_feed(struct dvb_demux_feed *feed)
317{
84b5dbf3 318 struct dvb_demux *demux = feed->demux;
e0d3bafd
SD		 319 struct cx231xx_dvb *dvb = demux->priv;
320 int rc, ret;
321
322 if (!demux->dmx.frontend)
323 return -EINVAL;
324
325 mutex_lock(&dvb->lock);
326 dvb->nfeeds++;
327 rc = dvb->nfeeds;
328
329 if (dvb->nfeeds == 1) {
330 ret = start_streaming(dvb);
331 if (ret < 0)
332 rc = ret;
333 }
334
335 mutex_unlock(&dvb->lock);
336 return rc;
337}
338
339static int stop_feed(struct dvb_demux_feed *feed)
340{
84b5dbf3 341 struct dvb_demux *demux = feed->demux;
e0d3bafd
SD		 342 struct cx231xx_dvb *dvb = demux->priv;
343 int err = 0;
344
345 mutex_lock(&dvb->lock);
346 dvb->nfeeds--;
347
348 if (0 == dvb->nfeeds)
349 err = stop_streaming(dvb);
350
351 mutex_unlock(&dvb->lock);
352 return err;
353}
354
e0d3bafd
SD		 355/* ------------------------------------------------------------------ */
356static int cx231xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
357{
358 struct cx231xx *dev = fe->dvb->priv;
359
360 if (acquire)
361 return cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
362 else
363 return cx231xx_set_mode(dev, CX231XX_SUSPEND);
364}
365
366/* ------------------------------------------------------------------ */
367
e0d3bafd 368static struct xc5000_config cnxt_rde250_tunerconfig = {
84b5dbf3 369 .i2c_address = 0x61,
64fbf444
PB		 370 .if_khz = 4000,
371};
372static struct xc5000_config cnxt_rdu250_tunerconfig = {
373 .i2c_address = 0x61,
374 .if_khz = 3250,
e0d3bafd
SD		 375};
376
e0d3bafd
SD		 377/* ------------------------------------------------------------------ */
378#if 0
379static int attach_xc5000(u8 addr, struct cx231xx *dev)
380{
381
382 struct dvb_frontend *fe;
383 struct xc5000_config cfg;
384
385 memset(&cfg, 0, sizeof(cfg));
c3c3f1ae 386 cfg.i2c_adap = cx231xx_get_i2c_adap(dev, dev->board.tuner_i2c_master);
84b5dbf3 387 cfg.i2c_addr = addr;
e0d3bafd
SD		 388
389 if (!dev->dvb->frontend) {
336fea92 390 dev_err(dev->dev, "%s/2: dvb frontend not attached. "
84b5dbf3 391 "Can't attach xc5000\n", dev->name);
e0d3bafd
SD		 392 return -EINVAL;
393 }
394
395 fe = dvb_attach(xc5000_attach, dev->dvb->frontend, &cfg);
396 if (!fe) {
336fea92 397 dev_err(dev->dev, "%s/2: xc5000 attach failed\n", dev->name);
e0d3bafd
SD		 398 dvb_frontend_detach(dev->dvb->frontend);
399 dev->dvb->frontend = NULL;
400 return -EINVAL;
401 }
402
336fea92 403 dev_info(dev->dev, "%s/2: xc5000 attached\n", dev->name);
e0d3bafd
SD		 404
405 return 0;
406}
407#endif
408
84b5dbf3 409int cx231xx_set_analog_freq(struct cx231xx *dev, u32 freq)
e0d3bafd 410{
84b5dbf3 411 if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) {
e0d3bafd 412
84b5dbf3 413 struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops;
e0d3bafd 414
84b5dbf3
MCC		 415 if (dops->set_analog_params != NULL) {
416 struct analog_parameters params;
e0d3bafd 417
84b5dbf3
MCC		 418 params.frequency = freq;
419 params.std = dev->norm;
420 params.mode = 0; /* 0- Air; 1 - cable */
421 /*params.audmode = ; */
e0d3bafd 422
84b5dbf3 423 /* Set the analog parameters to set the frequency */
84b5dbf3 424 dops->set_analog_params(dev->dvb->frontend, &params);
e0d3bafd
SD		 425 }
426
84b5dbf3
MCC		 427 }
428
ea21f702 429 return 0;
e0d3bafd
SD		 430}
431
432int cx231xx_reset_analog_tuner(struct cx231xx *dev)
433{
84b5dbf3 434 int status = 0;
e0d3bafd 435
84b5dbf3 436 if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) {
e0d3bafd 437
84b5dbf3 438 struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops;
e0d3bafd 439
84b5dbf3 440 if (dops->init != NULL && !dev->xc_fw_load_done) {
e0d3bafd 441
336fea92 442 dev_dbg(dev->dev,
b7085c08 443 "Reloading firmware for XC5000\n");
84b5dbf3
MCC		 444 status = dops->init(dev->dvb->frontend);
445 if (status == 0) {
446 dev->xc_fw_load_done = 1;
336fea92 447 dev_dbg(dev->dev,
b7085c08 448 "XC5000 firmware download completed\n");
84b5dbf3
MCC		 449 } else {
450 dev->xc_fw_load_done = 0;
336fea92 451 dev_dbg(dev->dev,
b7085c08 452 "XC5000 firmware download failed !!!\n");
e0d3bafd 453 }
e0d3bafd
SD		 454 }
455
84b5dbf3
MCC		 456 }
457
e0d3bafd
SD		 458 return status;
459}
460
e0d3bafd
SD		 461/* ------------------------------------------------------------------ */
462
463static int register_dvb(struct cx231xx_dvb *dvb,
84b5dbf3
MCC		 464 struct module *module,
465 struct cx231xx *dev, struct device *device)
e0d3bafd
SD		 466{
467 int result;
468
469 mutex_init(&dvb->lock);
470
1d058bdc 471
e0d3bafd
SD		 472 /* register adapter */
473 result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,
474 adapter_nr);
475 if (result < 0) {
336fea92 476 dev_warn(dev->dev,
84b5dbf3 477 "%s: dvb_register_adapter failed (errno = %d)\n",
e0d3bafd
SD		 478 dev->name, result);
479 goto fail_adapter;
480 }
89a2c1d6 481 dvb_register_media_controller(&dvb->adapter, dev->media_dev);
e0d3bafd
SD		 482
483 /* Ensure all frontends negotiate bus access */
484 dvb->frontend->ops.ts_bus_ctrl = cx231xx_dvb_bus_ctrl;
485
486 dvb->adapter.priv = dev;
487
488 /* register frontend */
489 result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
490 if (result < 0) {
336fea92 491 dev_warn(dev->dev,
84b5dbf3 492 "%s: dvb_register_frontend failed (errno = %d)\n",
e0d3bafd
SD		 493 dev->name, result);
494 goto fail_frontend;
495 }
496
497 /* register demux stuff */
498 dvb->demux.dmx.capabilities =
84b5dbf3
MCC		 499 DMX_TS_FILTERING | DMX_SECTION_FILTERING |
500 DMX_MEMORY_BASED_FILTERING;
501 dvb->demux.priv = dvb;
502 dvb->demux.filternum = 256;
503 dvb->demux.feednum = 256;
e0d3bafd 504 dvb->demux.start_feed = start_feed;
84b5dbf3 505 dvb->demux.stop_feed = stop_feed;
e0d3bafd
SD		 506
507 result = dvb_dmx_init(&dvb->demux);
508 if (result < 0) {
336fea92 509 dev_warn(dev->dev,
3b795d01 510 "%s: dvb_dmx_init failed (errno = %d)\n",
e0d3bafd
SD		 511 dev->name, result);
512 goto fail_dmx;
513 }
514
84b5dbf3
MCC		 515 dvb->dmxdev.filternum = 256;
516 dvb->dmxdev.demux = &dvb->demux.dmx;
e0d3bafd
SD		 517 dvb->dmxdev.capabilities = 0;
518 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
519 if (result < 0) {
336fea92 520 dev_warn(dev->dev,
3b795d01
MCC		 521 "%s: dvb_dmxdev_init failed (errno = %d)\n",
522 dev->name, result);
e0d3bafd
SD		 523 goto fail_dmxdev;
524 }
525
526 dvb->fe_hw.source = DMX_FRONTEND_0;
527 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
528 if (result < 0) {
336fea92 529 dev_warn(dev->dev,
84b5dbf3 530 "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
e0d3bafd
SD		 531 dev->name, result);
532 goto fail_fe_hw;
533 }
534
535 dvb->fe_mem.source = DMX_MEMORY_FE;
536 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
537 if (result < 0) {
336fea92 538 dev_warn(dev->dev,
3b795d01
MCC		 539 "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
540 dev->name, result);
e0d3bafd
SD		 541 goto fail_fe_mem;
542 }
543
544 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
545 if (result < 0) {
336fea92 546 dev_warn(dev->dev,
3b795d01
MCC		 547 "%s: connect_frontend failed (errno = %d)\n",
548 dev->name, result);
e0d3bafd
SD		 549 goto fail_fe_conn;
550 }
551
552 /* register network adapter */
553 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
0230d60e 554 result = dvb_create_media_graph(&dvb->adapter, false);
0d3ab841
MCC		 555 if (result < 0)
556 goto fail_create_graph;
480884b6 557
e0d3bafd
SD		 558 return 0;
559
0d3ab841
MCC		 560fail_create_graph:
561 dvb_net_release(&dvb->net);
b9255176 562fail_fe_conn:
e0d3bafd 563 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
b9255176 564fail_fe_mem:
e0d3bafd 565 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
b9255176 566fail_fe_hw:
e0d3bafd 567 dvb_dmxdev_release(&dvb->dmxdev);
b9255176 568fail_dmxdev:
e0d3bafd 569 dvb_dmx_release(&dvb->demux);
b9255176 570fail_dmx:
e0d3bafd 571 dvb_unregister_frontend(dvb->frontend);
b9255176 572fail_frontend:
e0d3bafd
SD		 573 dvb_frontend_detach(dvb->frontend);
574 dvb_unregister_adapter(&dvb->adapter);
b9255176 575fail_adapter:
e0d3bafd
SD		 576 return result;
577}
578
579static void unregister_dvb(struct cx231xx_dvb *dvb)
580{
6d3debaf 581 struct i2c_client *client;
e0d3bafd
SD		 582 dvb_net_release(&dvb->net);
583 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
584 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
585 dvb_dmxdev_release(&dvb->dmxdev);
586 dvb_dmx_release(&dvb->demux);
6d3debaf
MS		 587 client = dvb->i2c_client_tuner;
588 /* remove I2C tuner */
589 if (client) {
590 module_put(client->dev.driver->owner);
591 i2c_unregister_device(client);
592 }
e0d3bafd
SD		 593 dvb_unregister_frontend(dvb->frontend);
594 dvb_frontend_detach(dvb->frontend);
595 dvb_unregister_adapter(&dvb->adapter);
596}
597
e0d3bafd
SD		 598static int dvb_init(struct cx231xx *dev)
599{
600 int result = 0;
601 struct cx231xx_dvb *dvb;
c3c3f1ae
MS		 602 struct i2c_adapter *tuner_i2c;
603 struct i2c_adapter *demod_i2c;
e0d3bafd
SD		 604
605 if (!dev->board.has_dvb) {
606 /* This device does not support the extension */
607 return 0;
608 }
609
610 dvb = kzalloc(sizeof(struct cx231xx_dvb), GFP_KERNEL);
611
612 if (dvb == NULL) {
336fea92 613 dev_info(dev->dev,
3b795d01 614 "cx231xx_dvb: memory allocation failed\n");
e0d3bafd
SD		 615 return -ENOMEM;
616 }
617 dev->dvb = dvb;
618 dev->cx231xx_set_analog_freq = cx231xx_set_analog_freq;
84b5dbf3 619 dev->cx231xx_reset_analog_tuner = cx231xx_reset_analog_tuner;
e0d3bafd 620
c3c3f1ae
MS		 621 tuner_i2c = cx231xx_get_i2c_adap(dev, dev->board.tuner_i2c_master);
622 demod_i2c = cx231xx_get_i2c_adap(dev, dev->board.demod_i2c_master);
761f6cf6 623 mutex_lock(&dev->lock);
e0d3bafd 624 cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
64fbf444 625 cx231xx_demod_reset(dev);
e0d3bafd
SD		 626 /* init frontend */
627 switch (dev->model) {
64fbf444 628 case CX231XX_BOARD_CNXT_CARRAERA:
84b5dbf3
MCC		 629 case CX231XX_BOARD_CNXT_RDE_250:
630
64fbf444
PB		 631 dev->dvb->frontend = dvb_attach(s5h1432_attach,
632 &dvico_s5h1432_config,
c3c3f1ae 633 demod_i2c);
84b5dbf3
MCC		 634
635 if (dev->dvb->frontend == NULL) {
336fea92 636 dev_err(dev->dev,
3b795d01 637 "Failed to attach s5h1432 front end\n");
84b5dbf3
MCC		 638 result = -EINVAL;
639 goto out_free;
640 }
641
642 /* define general-purpose callback pointer */
643 dvb->frontend->callback = cx231xx_tuner_callback;
644
d5abcc78 645 if (!dvb_attach(xc5000_attach, dev->dvb->frontend,
c3c3f1ae 646 tuner_i2c,
d5abcc78 647 &cnxt_rde250_tunerconfig)) {
84b5dbf3
MCC		 648 result = -EINVAL;
649 goto out_free;
650 }
651
652 break;
64fbf444 653 case CX231XX_BOARD_CNXT_SHELBY:
84b5dbf3
MCC		 654 case CX231XX_BOARD_CNXT_RDU_250:
655
64fbf444
PB		 656 dev->dvb->frontend = dvb_attach(s5h1411_attach,
657 &xc5000_s5h1411_config,
c3c3f1ae 658 demod_i2c);
84b5dbf3
MCC		 659
660 if (dev->dvb->frontend == NULL) {
336fea92 661 dev_err(dev->dev,
3b795d01 662 "Failed to attach s5h1411 front end\n");
84b5dbf3
MCC		 663 result = -EINVAL;
664 goto out_free;
665 }
666
667 /* define general-purpose callback pointer */
668 dvb->frontend->callback = cx231xx_tuner_callback;
669
d5abcc78 670 if (!dvb_attach(xc5000_attach, dev->dvb->frontend,
c3c3f1ae 671 tuner_i2c,
64fbf444
PB		 672 &cnxt_rdu250_tunerconfig)) {
673 result = -EINVAL;
674 goto out_free;
675 }
676 break;
677 case CX231XX_BOARD_CNXT_RDE_253S:
678
679 dev->dvb->frontend = dvb_attach(s5h1432_attach,
680 &dvico_s5h1432_config,
c3c3f1ae 681 demod_i2c);
64fbf444
PB		 682
683 if (dev->dvb->frontend == NULL) {
336fea92 684 dev_err(dev->dev,
3b795d01 685 "Failed to attach s5h1432 front end\n");
64fbf444
PB		 686 result = -EINVAL;
687 goto out_free;
688 }
689
690 /* define general-purpose callback pointer */
691 dvb->frontend->callback = cx231xx_tuner_callback;
692
693 if (!dvb_attach(tda18271_attach, dev->dvb->frontend,
c3c3f1ae 694 0x60, tuner_i2c,
64fbf444
PB		 695 &cnxt_rde253s_tunerconfig)) {
696 result = -EINVAL;
697 goto out_free;
698 }
699 break;
700 case CX231XX_BOARD_CNXT_RDU_253S:
8b1255a2 701 case CX231XX_BOARD_KWORLD_UB445_USB_HYBRID:
64fbf444
PB		 702
703 dev->dvb->frontend = dvb_attach(s5h1411_attach,
704 &tda18271_s5h1411_config,
c3c3f1ae 705 demod_i2c);
64fbf444
PB		 706
707 if (dev->dvb->frontend == NULL) {
336fea92 708 dev_err(dev->dev,
3b795d01 709 "Failed to attach s5h1411 front end\n");
64fbf444
PB		 710 result = -EINVAL;
711 goto out_free;
712 }
713
714 /* define general-purpose callback pointer */
715 dvb->frontend->callback = cx231xx_tuner_callback;
716
717 if (!dvb_attach(tda18271_attach, dev->dvb->frontend,
c3c3f1ae 718 0x60, tuner_i2c,
64fbf444 719 &cnxt_rde253s_tunerconfig)) {
84b5dbf3
MCC		 720 result = -EINVAL;
721 goto out_free;
722 }
723 break;
1a50fdde
MK		 724 case CX231XX_BOARD_HAUPPAUGE_EXETER:
725
336fea92 726 dev_info(dev->dev,
3b795d01 727 "%s: looking for tuner / demod on i2c bus: %d\n",
c3c3f1ae 728 __func__, i2c_adapter_id(tuner_i2c));
1a50fdde
MK		 729
730 dev->dvb->frontend = dvb_attach(lgdt3305_attach,
731 &hcw_lgdt3305_config,
599bedb7 732 demod_i2c);
1a50fdde
MK		 733
734 if (dev->dvb->frontend == NULL) {
336fea92 735 dev_err(dev->dev,
3b795d01 736 "Failed to attach LG3305 front end\n");
1a50fdde
MK		 737 result = -EINVAL;
738 goto out_free;
739 }
740
741 /* define general-purpose callback pointer */
742 dvb->frontend->callback = cx231xx_tuner_callback;
743
744 dvb_attach(tda18271_attach, dev->dvb->frontend,
c3c3f1ae 745 0x60, tuner_i2c,
1a50fdde
MK		 746 &hcw_tda18271_config);
747 break;
748
dd2e7dd2
MS		 749 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx:
750
751 dev->dvb->frontend = dvb_attach(si2165_attach,
752 &hauppauge_930C_HD_1113xx_si2165_config,
599bedb7 753 demod_i2c
dd2e7dd2
MS		 754 );
755
756 if (dev->dvb->frontend == NULL) {
336fea92 757 dev_err(dev->dev,
3b795d01 758 "Failed to attach SI2165 front end\n");
dd2e7dd2
MS		 759 result = -EINVAL;
760 goto out_free;
761 }
762
3f9280a8 763 dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
dd2e7dd2
MS		 764
765 /* define general-purpose callback pointer */
766 dvb->frontend->callback = cx231xx_tuner_callback;
767
768 dvb_attach(tda18271_attach, dev->dvb->frontend,
769 0x60,
c3c3f1ae 770 tuner_i2c,
dd2e7dd2
MS		 771 &hcw_tda18271_config);
772
773 dev->cx231xx_reset_analog_tuner = NULL;
774 break;
775
9e49f7c3
MS		 776 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx:
777 {
778 struct i2c_client *client;
779 struct i2c_board_info info;
780 struct si2157_config si2157_config;
781
782 memset(&info, 0, sizeof(struct i2c_board_info));
783
784 dev->dvb->frontend = dvb_attach(si2165_attach,
785 &pctv_quatro_stick_1114xx_si2165_config,
599bedb7 786 demod_i2c
9e49f7c3
MS		 787 );
788
789 if (dev->dvb->frontend == NULL) {
336fea92 790 dev_err(dev->dev,
3b795d01 791 "Failed to attach SI2165 front end\n");
9e49f7c3
MS		 792 result = -EINVAL;
793 goto out_free;
794 }
795
3f9280a8 796 dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
9e49f7c3
MS		 797
798 /* define general-purpose callback pointer */
799 dvb->frontend->callback = cx231xx_tuner_callback;
800
801 /* attach tuner */
802 memset(&si2157_config, 0, sizeof(si2157_config));
803 si2157_config.fe = dev->dvb->frontend;
ee3c3e46 804 si2157_config.if_port = 1;
9e49f7c3
MS		 805 si2157_config.inversion = true;
806 strlcpy(info.type, "si2157", I2C_NAME_SIZE);
807 info.addr = 0x60;
808 info.platform_data = &si2157_config;
809 request_module("si2157");
810
811 client = i2c_new_device(
c3c3f1ae 812 tuner_i2c,
9e49f7c3
MS		 813 &info);
814 if (client == NULL || client->dev.driver == NULL) {
815 dvb_frontend_detach(dev->dvb->frontend);
816 result = -ENODEV;
817 goto out_free;
818 }
819
820 if (!try_module_get(client->dev.driver->owner)) {
821 i2c_unregister_device(client);
822 dvb_frontend_detach(dev->dvb->frontend);
823 result = -ENODEV;
824 goto out_free;
825 }
826
827 dev->cx231xx_reset_analog_tuner = NULL;
828
829 dev->dvb->i2c_client_tuner = client;
830 break;
831 }
809abdbf
OS		 832 case CX231XX_BOARD_HAUPPAUGE_955Q:
833 {
834 struct i2c_client *client;
835 struct i2c_board_info info;
836 struct si2157_config si2157_config;
837
838 memset(&info, 0, sizeof(struct i2c_board_info));
839
840 dev->dvb->frontend = dvb_attach(lgdt3306a_attach,
841 &hauppauge_955q_lgdt3306a_config,
599bedb7 842 demod_i2c
809abdbf
OS		 843 );
844
845 if (dev->dvb->frontend == NULL) {
846 dev_err(dev->dev,
847 "Failed to attach LGDT3306A frontend.\n");
848 result = -EINVAL;
849 goto out_free;
850 }
851
852 dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
853
854 /* define general-purpose callback pointer */
855 dvb->frontend->callback = cx231xx_tuner_callback;
856
857 /* attach tuner */
858 memset(&si2157_config, 0, sizeof(si2157_config));
859 si2157_config.fe = dev->dvb->frontend;
ee3c3e46 860 si2157_config.if_port = 1;
809abdbf
OS		 861 si2157_config.inversion = true;
862 strlcpy(info.type, "si2157", I2C_NAME_SIZE);
863 info.addr = 0x60;
864 info.platform_data = &si2157_config;
865 request_module("si2157");
866
867 client = i2c_new_device(
868 tuner_i2c,
869 &info);
870 if (client == NULL || client->dev.driver == NULL) {
871 dvb_frontend_detach(dev->dvb->frontend);
872 result = -ENODEV;
873 goto out_free;
874 }
875
876 if (!try_module_get(client->dev.driver->owner)) {
877 i2c_unregister_device(client);
878 dvb_frontend_detach(dev->dvb->frontend);
879 result = -ENODEV;
880 goto out_free;
881 }
882
883 dev->cx231xx_reset_analog_tuner = NULL;
9e49f7c3 884
809abdbf
OS		 885 dev->dvb->i2c_client_tuner = client;
886 break;
887 }
ede676c7 888 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
eeaaf817 889 case CX231XX_BOARD_KWORLD_UB430_USB_HYBRID:
ede676c7 890
336fea92 891 dev_info(dev->dev,
3b795d01
MCC		 892 "%s: looking for demod on i2c bus: %d\n",
893 __func__, i2c_adapter_id(tuner_i2c));
ede676c7
MCC		 894
895 dev->dvb->frontend = dvb_attach(mb86a20s_attach,
896 &pv_mb86a20s_config,
c3c3f1ae 897 demod_i2c);
ede676c7
MCC		 898
899 if (dev->dvb->frontend == NULL) {
336fea92 900 dev_err(dev->dev,
3b795d01 901 "Failed to attach mb86a20s demod\n");
ede676c7
MCC		 902 result = -EINVAL;
903 goto out_free;
904 }
905
906 /* define general-purpose callback pointer */
907 dvb->frontend->callback = cx231xx_tuner_callback;
908
909 dvb_attach(tda18271_attach, dev->dvb->frontend,
c3c3f1ae 910 0x60, tuner_i2c,
ede676c7
MCC		 911 &pv_tda18271_config);
912 break;
e0d3bafd
SD		 913
914 default:
336fea92 915 dev_err(dev->dev,
3b795d01
MCC		 916 "%s/2: The frontend of your DVB/ATSC card isn't supported yet\n",
917 dev->name);
e0d3bafd
SD		 918 break;
919 }
920 if (NULL == dvb->frontend) {
336fea92 921 dev_err(dev->dev,
84b5dbf3 922 "%s/2: frontend initialization failed\n", dev->name);
e0d3bafd
SD		 923 result = -EINVAL;
924 goto out_free;
925 }
926
e0d3bafd 927 /* register everything */
336fea92 928 result = register_dvb(dvb, THIS_MODULE, dev, dev->dev);
e0d3bafd
SD		 929
930 if (result < 0)
931 goto out_free;
932
761f6cf6 933
336fea92 934 dev_info(dev->dev, "Successfully loaded cx231xx-dvb\n");
e0d3bafd 935
761f6cf6 936ret:
e0d3bafd 937 cx231xx_set_mode(dev, CX231XX_SUSPEND);
761f6cf6
DH		 938 mutex_unlock(&dev->lock);
939 return result;
940
941out_free:
e0d3bafd
SD		 942 kfree(dvb);
943 dev->dvb = NULL;
761f6cf6 944 goto ret;
e0d3bafd
SD		 945}
946
947static int dvb_fini(struct cx231xx *dev)
948{
949 if (!dev->board.has_dvb) {
950 /* This device does not support the extension */
951 return 0;
952 }
953
954 if (dev->dvb) {
955 unregister_dvb(dev->dvb);
956 dev->dvb = NULL;
957 }
958
959 return 0;
960}
961
962static struct cx231xx_ops dvb_ops = {
84b5dbf3 963 .id = CX231XX_DVB,
e0d3bafd
SD		 964 .name = "Cx231xx dvb Extension",
965 .init = dvb_init,
966 .fini = dvb_fini,
967};
968
969static int __init cx231xx_dvb_register(void)
970{
971 return cx231xx_register_extension(&dvb_ops);
972}
973
974static void __exit cx231xx_dvb_unregister(void)
975{
976 cx231xx_unregister_extension(&dvb_ops);
977}
978
979module_init(cx231xx_dvb_register);
980module_exit(cx231xx_dvb_unregister);
Linux kernel - Deliverables
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