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[media] cx231xx: Use symbolic constants for i2c ports instead of numbers
[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
22#include <linux/kernel.h>
5a0e3ad6 23#include <linux/slab.h>
e0d3bafd
SD		 24#include <linux/usb.h>
25
26#include "cx231xx.h"
27#include <media/v4l2-common.h>
28#include <media/videobuf-vmalloc.h>
29
30#include "xc5000.h"
64fbf444
PB		 31#include "s5h1432.h"
32#include "tda18271.h"
33#include "s5h1411.h"
1a50fdde 34#include "lgdt3305.h"
dd2e7dd2 35#include "si2165.h"
ede676c7 36#include "mb86a20s.h"
9e49f7c3 37#include "si2157.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
49#define dprintk(level, fmt, arg...) do { \
50if (debug >= level) \
51 printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \
52} while (0)
53
54#define CX231XX_DVB_NUM_BUFS 5
55#define CX231XX_DVB_MAX_PACKETSIZE 564
56#define CX231XX_DVB_MAX_PACKETS 64
57
58struct cx231xx_dvb {
84b5dbf3 59 struct dvb_frontend *frontend;
e0d3bafd
SD		 60
61 /* feed count management */
84b5dbf3
MCC		 62 struct mutex lock;
63 int nfeeds;
e0d3bafd
SD		 64
65 /* general boilerplate stuff */
84b5dbf3
MCC		 66 struct dvb_adapter adapter;
67 struct dvb_demux demux;
68 struct dmxdev dmxdev;
69 struct dmx_frontend fe_hw;
70 struct dmx_frontend fe_mem;
71 struct dvb_net net;
6d3debaf 72 struct i2c_client *i2c_client_tuner;
e0d3bafd
SD		 73};
74
64fbf444
PB		 75static struct s5h1432_config dvico_s5h1432_config = {
76 .output_mode = S5H1432_SERIAL_OUTPUT,
77 .gpio = S5H1432_GPIO_ON,
78 .qam_if = S5H1432_IF_4000,
79 .vsb_if = S5H1432_IF_4000,
80 .inversion = S5H1432_INVERSION_OFF,
81 .status_mode = S5H1432_DEMODLOCKING,
82 .mpeg_timing = S5H1432_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
83};
84
85static struct tda18271_std_map cnxt_rde253s_tda18271_std_map = {
86 .dvbt_6 = { .if_freq = 4000, .agc_mode = 3, .std = 4,
87 .if_lvl = 1, .rfagc_top = 0x37, },
88 .dvbt_7 = { .if_freq = 4000, .agc_mode = 3, .std = 5,
89 .if_lvl = 1, .rfagc_top = 0x37, },
90 .dvbt_8 = { .if_freq = 4000, .agc_mode = 3, .std = 6,
91 .if_lvl = 1, .rfagc_top = 0x37, },
92};
93
ede676c7 94static struct tda18271_std_map mb86a20s_tda18271_config = {
84c09d72
MCC		 95 .dvbt_6 = { .if_freq = 4000, .agc_mode = 3, .std = 4,
96 .if_lvl = 0, .rfagc_top = 0x37, },
ede676c7
MCC		 97};
98
64fbf444
PB		 99static struct tda18271_config cnxt_rde253s_tunerconfig = {
100 .std_map = &cnxt_rde253s_tda18271_std_map,
101 .gate = TDA18271_GATE_ANALOG,
102};
103
104static struct s5h1411_config tda18271_s5h1411_config = {
105 .output_mode = S5H1411_SERIAL_OUTPUT,
106 .gpio = S5H1411_GPIO_OFF,
107 .vsb_if = S5H1411_IF_3250,
108 .qam_if = S5H1411_IF_4000,
109 .inversion = S5H1411_INVERSION_ON,
110 .status_mode = S5H1411_DEMODLOCKING,
111 .mpeg_timing = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
112};
113static struct s5h1411_config xc5000_s5h1411_config = {
114 .output_mode = S5H1411_SERIAL_OUTPUT,
115 .gpio = S5H1411_GPIO_OFF,
116 .vsb_if = S5H1411_IF_3250,
117 .qam_if = S5H1411_IF_3250,
118 .inversion = S5H1411_INVERSION_OFF,
119 .status_mode = S5H1411_DEMODLOCKING,
120 .mpeg_timing = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
121};
1a50fdde
MK		 122
123static struct lgdt3305_config hcw_lgdt3305_config = {
124 .i2c_addr = 0x0e,
125 .mpeg_mode = LGDT3305_MPEG_SERIAL,
126 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
127 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
128 .deny_i2c_rptr = 1,
129 .spectral_inversion = 1,
130 .qam_if_khz = 4000,
131 .vsb_if_khz = 3250,
132};
133
134static struct tda18271_std_map hauppauge_tda18271_std_map = {
135 .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 4,
136 .if_lvl = 1, .rfagc_top = 0x58, },
137 .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 5,
138 .if_lvl = 1, .rfagc_top = 0x58, },
139};
140
141static struct tda18271_config hcw_tda18271_config = {
142 .std_map = &hauppauge_tda18271_std_map,
143 .gate = TDA18271_GATE_DIGITAL,
144};
145
ede676c7
MCC		 146static const struct mb86a20s_config pv_mb86a20s_config = {
147 .demod_address = 0x10,
7572f9c5 148 .is_serial = true,
ede676c7
MCC		 149};
150
151static struct tda18271_config pv_tda18271_config = {
152 .std_map = &mb86a20s_tda18271_config,
153 .gate = TDA18271_GATE_DIGITAL,
154 .small_i2c = TDA18271_03_BYTE_CHUNK_INIT,
155};
156
dd2e7dd2
MS		 157static const struct si2165_config hauppauge_930C_HD_1113xx_si2165_config = {
158 .i2c_addr = 0x64,
159 .chip_mode = SI2165_MODE_PLL_XTAL,
160 .ref_freq_Hz = 16000000,
161};
162
9e49f7c3
MS		 163static const struct si2165_config pctv_quatro_stick_1114xx_si2165_config = {
164 .i2c_addr = 0x64,
165 .chip_mode = SI2165_MODE_PLL_EXT,
166 .ref_freq_Hz = 24000000,
167};
168
84b5dbf3 169static inline void print_err_status(struct cx231xx *dev, int packet, int status)
e0d3bafd
SD		 170{
171 char *errmsg = "Unknown";
172
173 switch (status) {
174 case -ENOENT:
175 errmsg = "unlinked synchronuously";
176 break;
177 case -ECONNRESET:
178 errmsg = "unlinked asynchronuously";
179 break;
180 case -ENOSR:
181 errmsg = "Buffer error (overrun)";
182 break;
183 case -EPIPE:
184 errmsg = "Stalled (device not responding)";
185 break;
186 case -EOVERFLOW:
187 errmsg = "Babble (bad cable?)";
188 break;
189 case -EPROTO:
190 errmsg = "Bit-stuff error (bad cable?)";
191 break;
192 case -EILSEQ:
193 errmsg = "CRC/Timeout (could be anything)";
194 break;
195 case -ETIME:
196 errmsg = "Device does not respond";
197 break;
198 }
199 if (packet < 0) {
200 dprintk(1, "URB status %d [%s].\n", status, errmsg);
201 } else {
202 dprintk(1, "URB packet %d, status %d [%s].\n",
203 packet, status, errmsg);
204 }
205}
206
207static inline int dvb_isoc_copy(struct cx231xx *dev, struct urb *urb)
208{
209 int i;
210
211 if (!dev)
212 return 0;
213
990862a2 214 if (dev->state & DEV_DISCONNECTED)
e0d3bafd
SD		 215 return 0;
216
217 if (urb->status < 0) {
218 print_err_status(dev, -1, urb->status);
219 if (urb->status == -ENOENT)
220 return 0;
221 }
222
223 for (i = 0; i < urb->number_of_packets; i++) {
224 int status = urb->iso_frame_desc[i].status;
225
226 if (status < 0) {
227 print_err_status(dev, i, status);
228 if (urb->iso_frame_desc[i].status != -EPROTO)
229 continue;
230 }
231
64fbf444
PB		 232 dvb_dmx_swfilter(&dev->dvb->demux,
233 urb->transfer_buffer +
234 urb->iso_frame_desc[i].offset,
235 urb->iso_frame_desc[i].actual_length);
e0d3bafd
SD		 236 }
237
238 return 0;
239}
240
64fbf444
PB		 241static inline int dvb_bulk_copy(struct cx231xx *dev, struct urb *urb)
242{
64fbf444
PB		 243 if (!dev)
244 return 0;
245
990862a2 246 if (dev->state & DEV_DISCONNECTED)
64fbf444
PB		 247 return 0;
248
249 if (urb->status < 0) {
250 print_err_status(dev, -1, urb->status);
251 if (urb->status == -ENOENT)
252 return 0;
253 }
254
255 /* Feed the transport payload into the kernel demux */
256 dvb_dmx_swfilter(&dev->dvb->demux,
257 urb->transfer_buffer, urb->actual_length);
258
259 return 0;
260}
261
e0d3bafd
SD		 262static int start_streaming(struct cx231xx_dvb *dvb)
263{
264 int rc;
265 struct cx231xx *dev = dvb->adapter.priv;
266
64fbf444
PB		 267 if (dev->USE_ISO) {
268 cx231xx_info("DVB transfer mode is ISO.\n");
a6f6fb9c
MCC		 269 mutex_lock(&dev->i2c_lock);
270 cx231xx_enable_i2c_port_3(dev, false);
64fbf444 271 cx231xx_set_alt_setting(dev, INDEX_TS1, 4);
a6f6fb9c
MCC		 272 cx231xx_enable_i2c_port_3(dev, true);
273 mutex_unlock(&dev->i2c_lock);
64fbf444
PB		 274 rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
275 if (rc < 0)
276 return rc;
277 dev->mode_tv = 1;
278 return cx231xx_init_isoc(dev, CX231XX_DVB_MAX_PACKETS,
279 CX231XX_DVB_NUM_BUFS,
280 dev->ts1_mode.max_pkt_size,
281 dvb_isoc_copy);
282 } else {
283 cx231xx_info("DVB transfer mode is BULK.\n");
284 cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
285 rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
286 if (rc < 0)
287 return rc;
288 dev->mode_tv = 1;
289 return cx231xx_init_bulk(dev, CX231XX_DVB_MAX_PACKETS,
290 CX231XX_DVB_NUM_BUFS,
291 dev->ts1_mode.max_pkt_size,
292 dvb_bulk_copy);
293 }
e0d3bafd 294
e0d3bafd
SD		 295}
296
297static int stop_streaming(struct cx231xx_dvb *dvb)
298{
299 struct cx231xx *dev = dvb->adapter.priv;
300
64fbf444
PB		 301 if (dev->USE_ISO)
302 cx231xx_uninit_isoc(dev);
303 else
304 cx231xx_uninit_bulk(dev);
e0d3bafd
SD		 305
306 cx231xx_set_mode(dev, CX231XX_SUSPEND);
307
308 return 0;
309}
310
311static int start_feed(struct dvb_demux_feed *feed)
312{
84b5dbf3 313 struct dvb_demux *demux = feed->demux;
e0d3bafd
SD		 314 struct cx231xx_dvb *dvb = demux->priv;
315 int rc, ret;
316
317 if (!demux->dmx.frontend)
318 return -EINVAL;
319
320 mutex_lock(&dvb->lock);
321 dvb->nfeeds++;
322 rc = dvb->nfeeds;
323
324 if (dvb->nfeeds == 1) {
325 ret = start_streaming(dvb);
326 if (ret < 0)
327 rc = ret;
328 }
329
330 mutex_unlock(&dvb->lock);
331 return rc;
332}
333
334static int stop_feed(struct dvb_demux_feed *feed)
335{
84b5dbf3 336 struct dvb_demux *demux = feed->demux;
e0d3bafd
SD		 337 struct cx231xx_dvb *dvb = demux->priv;
338 int err = 0;
339
340 mutex_lock(&dvb->lock);
341 dvb->nfeeds--;
342
343 if (0 == dvb->nfeeds)
344 err = stop_streaming(dvb);
345
346 mutex_unlock(&dvb->lock);
347 return err;
348}
349
e0d3bafd
SD		 350/* ------------------------------------------------------------------ */
351static int cx231xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
352{
353 struct cx231xx *dev = fe->dvb->priv;
354
355 if (acquire)
356 return cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
357 else
358 return cx231xx_set_mode(dev, CX231XX_SUSPEND);
359}
360
361/* ------------------------------------------------------------------ */
362
e0d3bafd 363static struct xc5000_config cnxt_rde250_tunerconfig = {
84b5dbf3 364 .i2c_address = 0x61,
64fbf444
PB		 365 .if_khz = 4000,
366};
367static struct xc5000_config cnxt_rdu250_tunerconfig = {
368 .i2c_address = 0x61,
369 .if_khz = 3250,
e0d3bafd
SD		 370};
371
e0d3bafd
SD		 372/* ------------------------------------------------------------------ */
373#if 0
374static int attach_xc5000(u8 addr, struct cx231xx *dev)
375{
376
377 struct dvb_frontend *fe;
378 struct xc5000_config cfg;
379
380 memset(&cfg, 0, sizeof(cfg));
1a4aa920 381 cfg.i2c_adap = &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap;
84b5dbf3 382 cfg.i2c_addr = addr;
e0d3bafd
SD		 383
384 if (!dev->dvb->frontend) {
385 printk(KERN_ERR "%s/2: dvb frontend not attached. "
84b5dbf3 386 "Can't attach xc5000\n", dev->name);
e0d3bafd
SD		 387 return -EINVAL;
388 }
389
390 fe = dvb_attach(xc5000_attach, dev->dvb->frontend, &cfg);
391 if (!fe) {
392 printk(KERN_ERR "%s/2: xc5000 attach failed\n", dev->name);
393 dvb_frontend_detach(dev->dvb->frontend);
394 dev->dvb->frontend = NULL;
395 return -EINVAL;
396 }
397
398 printk(KERN_INFO "%s/2: xc5000 attached\n", dev->name);
399
400 return 0;
401}
402#endif
403
84b5dbf3 404int cx231xx_set_analog_freq(struct cx231xx *dev, u32 freq)
e0d3bafd 405{
84b5dbf3 406 if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) {
e0d3bafd 407
84b5dbf3 408 struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops;
e0d3bafd 409
84b5dbf3
MCC		 410 if (dops->set_analog_params != NULL) {
411 struct analog_parameters params;
e0d3bafd 412
84b5dbf3
MCC		 413 params.frequency = freq;
414 params.std = dev->norm;
415 params.mode = 0; /* 0- Air; 1 - cable */
416 /*params.audmode = ; */
e0d3bafd 417
84b5dbf3 418 /* Set the analog parameters to set the frequency */
84b5dbf3 419 dops->set_analog_params(dev->dvb->frontend, &params);
e0d3bafd
SD		 420 }
421
84b5dbf3
MCC		 422 }
423
ea21f702 424 return 0;
e0d3bafd
SD		 425}
426
427int cx231xx_reset_analog_tuner(struct cx231xx *dev)
428{
84b5dbf3 429 int status = 0;
e0d3bafd 430
84b5dbf3 431 if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) {
e0d3bafd 432
84b5dbf3 433 struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops;
e0d3bafd 434
84b5dbf3 435 if (dops->init != NULL && !dev->xc_fw_load_done) {
e0d3bafd 436
84b5dbf3
MCC		 437 cx231xx_info("Reloading firmware for XC5000\n");
438 status = dops->init(dev->dvb->frontend);
439 if (status == 0) {
440 dev->xc_fw_load_done = 1;
441 cx231xx_info
442 ("XC5000 firmware download completed\n");
443 } else {
444 dev->xc_fw_load_done = 0;
445 cx231xx_info
446 ("XC5000 firmware download failed !!!\n");
e0d3bafd 447 }
e0d3bafd
SD		 448 }
449
84b5dbf3
MCC		 450 }
451
e0d3bafd
SD		 452 return status;
453}
454
e0d3bafd
SD		 455/* ------------------------------------------------------------------ */
456
457static int register_dvb(struct cx231xx_dvb *dvb,
84b5dbf3
MCC		 458 struct module *module,
459 struct cx231xx *dev, struct device *device)
e0d3bafd
SD		 460{
461 int result;
462
463 mutex_init(&dvb->lock);
464
465 /* register adapter */
466 result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,
467 adapter_nr);
468 if (result < 0) {
84b5dbf3
MCC		 469 printk(KERN_WARNING
470 "%s: dvb_register_adapter failed (errno = %d)\n",
e0d3bafd
SD		 471 dev->name, result);
472 goto fail_adapter;
473 }
474
475 /* Ensure all frontends negotiate bus access */
476 dvb->frontend->ops.ts_bus_ctrl = cx231xx_dvb_bus_ctrl;
477
478 dvb->adapter.priv = dev;
479
480 /* register frontend */
481 result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
482 if (result < 0) {
84b5dbf3
MCC		 483 printk(KERN_WARNING
484 "%s: dvb_register_frontend failed (errno = %d)\n",
e0d3bafd
SD		 485 dev->name, result);
486 goto fail_frontend;
487 }
488
489 /* register demux stuff */
490 dvb->demux.dmx.capabilities =
84b5dbf3
MCC		 491 DMX_TS_FILTERING | DMX_SECTION_FILTERING |
492 DMX_MEMORY_BASED_FILTERING;
493 dvb->demux.priv = dvb;
494 dvb->demux.filternum = 256;
495 dvb->demux.feednum = 256;
e0d3bafd 496 dvb->demux.start_feed = start_feed;
84b5dbf3 497 dvb->demux.stop_feed = stop_feed;
e0d3bafd
SD		 498
499 result = dvb_dmx_init(&dvb->demux);
500 if (result < 0) {
501 printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n",
502 dev->name, result);
503 goto fail_dmx;
504 }
505
84b5dbf3
MCC		 506 dvb->dmxdev.filternum = 256;
507 dvb->dmxdev.demux = &dvb->demux.dmx;
e0d3bafd
SD		 508 dvb->dmxdev.capabilities = 0;
509 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
510 if (result < 0) {
511 printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n",
512 dev->name, result);
513 goto fail_dmxdev;
514 }
515
516 dvb->fe_hw.source = DMX_FRONTEND_0;
517 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
518 if (result < 0) {
84b5dbf3
MCC		 519 printk(KERN_WARNING
520 "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
e0d3bafd
SD		 521 dev->name, result);
522 goto fail_fe_hw;
523 }
524
525 dvb->fe_mem.source = DMX_MEMORY_FE;
526 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
527 if (result < 0) {
84b5dbf3
MCC		 528 printk(KERN_WARNING
529 "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
e0d3bafd
SD		 530 dev->name, result);
531 goto fail_fe_mem;
532 }
533
534 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
535 if (result < 0) {
84b5dbf3
MCC		 536 printk(KERN_WARNING
537 "%s: connect_frontend failed (errno = %d)\n", dev->name,
538 result);
e0d3bafd
SD		 539 goto fail_fe_conn;
540 }
541
542 /* register network adapter */
543 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
544 return 0;
545
b9255176 546fail_fe_conn:
e0d3bafd 547 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
b9255176 548fail_fe_mem:
e0d3bafd 549 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
b9255176 550fail_fe_hw:
e0d3bafd 551 dvb_dmxdev_release(&dvb->dmxdev);
b9255176 552fail_dmxdev:
e0d3bafd 553 dvb_dmx_release(&dvb->demux);
b9255176 554fail_dmx:
e0d3bafd 555 dvb_unregister_frontend(dvb->frontend);
b9255176 556fail_frontend:
e0d3bafd
SD		 557 dvb_frontend_detach(dvb->frontend);
558 dvb_unregister_adapter(&dvb->adapter);
b9255176 559fail_adapter:
e0d3bafd
SD		 560 return result;
561}
562
563static void unregister_dvb(struct cx231xx_dvb *dvb)
564{
6d3debaf 565 struct i2c_client *client;
e0d3bafd
SD		 566 dvb_net_release(&dvb->net);
567 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
568 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
569 dvb_dmxdev_release(&dvb->dmxdev);
570 dvb_dmx_release(&dvb->demux);
6d3debaf
MS		 571 client = dvb->i2c_client_tuner;
572 /* remove I2C tuner */
573 if (client) {
574 module_put(client->dev.driver->owner);
575 i2c_unregister_device(client);
576 }
e0d3bafd
SD		 577 dvb_unregister_frontend(dvb->frontend);
578 dvb_frontend_detach(dvb->frontend);
579 dvb_unregister_adapter(&dvb->adapter);
580}
581
e0d3bafd
SD		 582static int dvb_init(struct cx231xx *dev)
583{
584 int result = 0;
585 struct cx231xx_dvb *dvb;
586
587 if (!dev->board.has_dvb) {
588 /* This device does not support the extension */
589 return 0;
590 }
591
592 dvb = kzalloc(sizeof(struct cx231xx_dvb), GFP_KERNEL);
593
594 if (dvb == NULL) {
595 printk(KERN_INFO "cx231xx_dvb: memory allocation failed\n");
596 return -ENOMEM;
597 }
598 dev->dvb = dvb;
599 dev->cx231xx_set_analog_freq = cx231xx_set_analog_freq;
84b5dbf3 600 dev->cx231xx_reset_analog_tuner = cx231xx_reset_analog_tuner;
e0d3bafd 601
761f6cf6 602 mutex_lock(&dev->lock);
e0d3bafd 603 cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
64fbf444 604 cx231xx_demod_reset(dev);
e0d3bafd
SD		 605 /* init frontend */
606 switch (dev->model) {
64fbf444 607 case CX231XX_BOARD_CNXT_CARRAERA:
84b5dbf3
MCC		 608 case CX231XX_BOARD_CNXT_RDE_250:
609
64fbf444
PB		 610 dev->dvb->frontend = dvb_attach(s5h1432_attach,
611 &dvico_s5h1432_config,
1a4aa920 612 &dev->i2c_bus[dev->board.demod_i2c_master].i2c_adap);
84b5dbf3
MCC		 613
614 if (dev->dvb->frontend == NULL) {
615 printk(DRIVER_NAME
64fbf444 616 ": Failed to attach s5h1432 front end\n");
84b5dbf3
MCC		 617 result = -EINVAL;
618 goto out_free;
619 }
620
621 /* define general-purpose callback pointer */
622 dvb->frontend->callback = cx231xx_tuner_callback;
623
d5abcc78 624 if (!dvb_attach(xc5000_attach, dev->dvb->frontend,
1a4aa920 625 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap,
d5abcc78 626 &cnxt_rde250_tunerconfig)) {
84b5dbf3
MCC		 627 result = -EINVAL;
628 goto out_free;
629 }
630
631 break;
64fbf444 632 case CX231XX_BOARD_CNXT_SHELBY:
84b5dbf3
MCC		 633 case CX231XX_BOARD_CNXT_RDU_250:
634
64fbf444
PB		 635 dev->dvb->frontend = dvb_attach(s5h1411_attach,
636 &xc5000_s5h1411_config,
1a4aa920 637 &dev->i2c_bus[dev->board.demod_i2c_master].i2c_adap);
84b5dbf3
MCC		 638
639 if (dev->dvb->frontend == NULL) {
640 printk(DRIVER_NAME
e95342f1 641 ": Failed to attach s5h1411 front end\n");
84b5dbf3
MCC		 642 result = -EINVAL;
643 goto out_free;
644 }
645
646 /* define general-purpose callback pointer */
647 dvb->frontend->callback = cx231xx_tuner_callback;
648
d5abcc78 649 if (!dvb_attach(xc5000_attach, dev->dvb->frontend,
1a4aa920 650 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap,
64fbf444
PB		 651 &cnxt_rdu250_tunerconfig)) {
652 result = -EINVAL;
653 goto out_free;
654 }
655 break;
656 case CX231XX_BOARD_CNXT_RDE_253S:
657
658 dev->dvb->frontend = dvb_attach(s5h1432_attach,
659 &dvico_s5h1432_config,
1a4aa920 660 &dev->i2c_bus[dev->board.demod_i2c_master].i2c_adap);
64fbf444
PB		 661
662 if (dev->dvb->frontend == NULL) {
663 printk(DRIVER_NAME
664 ": Failed to attach s5h1432 front end\n");
665 result = -EINVAL;
666 goto out_free;
667 }
668
669 /* define general-purpose callback pointer */
670 dvb->frontend->callback = cx231xx_tuner_callback;
671
672 if (!dvb_attach(tda18271_attach, dev->dvb->frontend,
1a4aa920 673 0x60, &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap,
64fbf444
PB		 674 &cnxt_rde253s_tunerconfig)) {
675 result = -EINVAL;
676 goto out_free;
677 }
678 break;
679 case CX231XX_BOARD_CNXT_RDU_253S:
8b1255a2 680 case CX231XX_BOARD_KWORLD_UB445_USB_HYBRID:
64fbf444
PB		 681
682 dev->dvb->frontend = dvb_attach(s5h1411_attach,
683 &tda18271_s5h1411_config,
1a4aa920 684 &dev->i2c_bus[dev->board.demod_i2c_master].i2c_adap);
64fbf444
PB		 685
686 if (dev->dvb->frontend == NULL) {
687 printk(DRIVER_NAME
e95342f1 688 ": Failed to attach s5h1411 front end\n");
64fbf444
PB		 689 result = -EINVAL;
690 goto out_free;
691 }
692
693 /* define general-purpose callback pointer */
694 dvb->frontend->callback = cx231xx_tuner_callback;
695
696 if (!dvb_attach(tda18271_attach, dev->dvb->frontend,
1a4aa920 697 0x60, &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap,
64fbf444 698 &cnxt_rde253s_tunerconfig)) {
84b5dbf3
MCC		 699 result = -EINVAL;
700 goto out_free;
701 }
702 break;
1a50fdde
MK		 703 case CX231XX_BOARD_HAUPPAUGE_EXETER:
704
705 printk(KERN_INFO "%s: looking for tuner / demod on i2c bus: %d\n",
1a4aa920 706 __func__, i2c_adapter_id(&dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap));
1a50fdde
MK		 707
708 dev->dvb->frontend = dvb_attach(lgdt3305_attach,
709 &hcw_lgdt3305_config,
1a4aa920 710 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap);
1a50fdde
MK		 711
712 if (dev->dvb->frontend == NULL) {
713 printk(DRIVER_NAME
714 ": Failed to attach LG3305 front end\n");
715 result = -EINVAL;
716 goto out_free;
717 }
718
719 /* define general-purpose callback pointer */
720 dvb->frontend->callback = cx231xx_tuner_callback;
721
722 dvb_attach(tda18271_attach, dev->dvb->frontend,
1a4aa920 723 0x60, &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap,
1a50fdde
MK		 724 &hcw_tda18271_config);
725 break;
726
dd2e7dd2
MS		 727 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx:
728
729 dev->dvb->frontend = dvb_attach(si2165_attach,
730 &hauppauge_930C_HD_1113xx_si2165_config,
731 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap
732 );
733
734 if (dev->dvb->frontend == NULL) {
735 printk(DRIVER_NAME
736 ": Failed to attach SI2165 front end\n");
737 result = -EINVAL;
738 goto out_free;
739 }
740
3f9280a8 741 dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
dd2e7dd2
MS		 742
743 /* define general-purpose callback pointer */
744 dvb->frontend->callback = cx231xx_tuner_callback;
745
746 dvb_attach(tda18271_attach, dev->dvb->frontend,
747 0x60,
748 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap,
749 &hcw_tda18271_config);
750
751 dev->cx231xx_reset_analog_tuner = NULL;
752 break;
753
9e49f7c3
MS		 754 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx:
755 {
756 struct i2c_client *client;
757 struct i2c_board_info info;
758 struct si2157_config si2157_config;
759
760 memset(&info, 0, sizeof(struct i2c_board_info));
761
762 dev->dvb->frontend = dvb_attach(si2165_attach,
763 &pctv_quatro_stick_1114xx_si2165_config,
764 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap
765 );
766
767 if (dev->dvb->frontend == NULL) {
768 printk(DRIVER_NAME
769 ": Failed to attach SI2165 front end\n");
770 result = -EINVAL;
771 goto out_free;
772 }
773
3f9280a8 774 dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
9e49f7c3
MS		 775
776 /* define general-purpose callback pointer */
777 dvb->frontend->callback = cx231xx_tuner_callback;
778
779 /* attach tuner */
780 memset(&si2157_config, 0, sizeof(si2157_config));
781 si2157_config.fe = dev->dvb->frontend;
782 si2157_config.inversion = true;
783 strlcpy(info.type, "si2157", I2C_NAME_SIZE);
784 info.addr = 0x60;
785 info.platform_data = &si2157_config;
786 request_module("si2157");
787
788 client = i2c_new_device(
789 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap,
790 &info);
791 if (client == NULL || client->dev.driver == NULL) {
792 dvb_frontend_detach(dev->dvb->frontend);
793 result = -ENODEV;
794 goto out_free;
795 }
796
797 if (!try_module_get(client->dev.driver->owner)) {
798 i2c_unregister_device(client);
799 dvb_frontend_detach(dev->dvb->frontend);
800 result = -ENODEV;
801 goto out_free;
802 }
803
804 dev->cx231xx_reset_analog_tuner = NULL;
805
806 dev->dvb->i2c_client_tuner = client;
807 break;
808 }
809
ede676c7 810 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
eeaaf817 811 case CX231XX_BOARD_KWORLD_UB430_USB_HYBRID:
ede676c7
MCC		 812
813 printk(KERN_INFO "%s: looking for demod on i2c bus: %d\n",
814 __func__, i2c_adapter_id(&dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap));
815
816 dev->dvb->frontend = dvb_attach(mb86a20s_attach,
817 &pv_mb86a20s_config,
818 &dev->i2c_bus[dev->board.demod_i2c_master].i2c_adap);
819
820 if (dev->dvb->frontend == NULL) {
821 printk(DRIVER_NAME
822 ": Failed to attach mb86a20s demod\n");
823 result = -EINVAL;
824 goto out_free;
825 }
826
827 /* define general-purpose callback pointer */
828 dvb->frontend->callback = cx231xx_tuner_callback;
829
830 dvb_attach(tda18271_attach, dev->dvb->frontend,
831 0x60, &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap,
832 &pv_tda18271_config);
833 break;
e0d3bafd
SD		 834
835 default:
836 printk(KERN_ERR "%s/2: The frontend of your DVB/ATSC card"
84b5dbf3 837 " isn't supported yet\n", dev->name);
e0d3bafd
SD		 838 break;
839 }
840 if (NULL == dvb->frontend) {
841 printk(KERN_ERR
84b5dbf3 842 "%s/2: frontend initialization failed\n", dev->name);
e0d3bafd
SD		 843 result = -EINVAL;
844 goto out_free;
845 }
846
e0d3bafd
SD		 847 /* register everything */
848 result = register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
849
850 if (result < 0)
851 goto out_free;
852
761f6cf6 853
e0d3bafd 854 printk(KERN_INFO "Successfully loaded cx231xx-dvb\n");
e0d3bafd 855
761f6cf6 856ret:
e0d3bafd 857 cx231xx_set_mode(dev, CX231XX_SUSPEND);
761f6cf6
DH		 858 mutex_unlock(&dev->lock);
859 return result;
860
861out_free:
e0d3bafd
SD		 862 kfree(dvb);
863 dev->dvb = NULL;
761f6cf6 864 goto ret;
e0d3bafd
SD		 865}
866
867static int dvb_fini(struct cx231xx *dev)
868{
869 if (!dev->board.has_dvb) {
870 /* This device does not support the extension */
871 return 0;
872 }
873
874 if (dev->dvb) {
875 unregister_dvb(dev->dvb);
876 dev->dvb = NULL;
877 }
878
879 return 0;
880}
881
882static struct cx231xx_ops dvb_ops = {
84b5dbf3 883 .id = CX231XX_DVB,
e0d3bafd
SD		 884 .name = "Cx231xx dvb Extension",
885 .init = dvb_init,
886 .fini = dvb_fini,
887};
888
889static int __init cx231xx_dvb_register(void)
890{
891 return cx231xx_register_extension(&dvb_ops);
892}
893
894static void __exit cx231xx_dvb_unregister(void)
895{
896 cx231xx_unregister_extension(&dvb_ops);
897}
898
899module_init(cx231xx_dvb_register);
900module_exit(cx231xx_dvb_unregister);
Linux 6.x block layer and io_uring tree(s)