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[media] redrat3: remove unused dev struct members
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / video / em28xx / em28xx-dvb.c
CommitLineData
3aefb79a
MCC		 1/*
2 DVB device driver for em28xx
3
fec528b7 4 (c) 2008-2011 Mauro Carvalho Chehab <mchehab@infradead.org>
3aefb79a 5
bdfbf952
DH		 6 (c) 2008 Devin Heitmueller <devin.heitmueller@gmail.com>
7 - Fixes for the driver to properly work with HVR-950
4fd305b2 8 - Fixes for the driver to properly work with Pinnacle PCTV HD Pro Stick
e14b3658 9 - Fixes for the driver to properly work with AMD ATI TV Wonder HD 600
bdfbf952 10
3421b778
AT		 11 (c) 2008 Aidan Thornton <makosoft@googlemail.com>
12
13 Based on cx88-dvb, saa7134-dvb and videobuf-dvb originally written by:
3aefb79a
MCC		 14 (c) 2004, 2005 Chris Pascoe <c.pascoe@itee.uq.edu.au>
15 (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
16
17 This program is free software; you can redistribute it and/or modify
18 it under the terms of the GNU General Public License as published by
19 the Free Software Foundation; either version 2 of the License.
20 */
21
22#include <linux/kernel.h>
5a0e3ad6 23#include <linux/slab.h>
3aefb79a
MCC		 24#include <linux/usb.h>
25
26#include "em28xx.h"
27#include <media/v4l2-common.h>
28#include <media/videobuf-vmalloc.h>
d7de5d8f
FM		 29#include <media/tuner.h>
30#include "tuner-simple.h"
3aefb79a
MCC		 31
32#include "lgdt330x.h"
7e48b30a 33#include "lgdt3305.h"
7e6388a1 34#include "zl10353.h"
6e7b9ea0 35#include "s5h1409.h"
4fb202a8
DH		 36#include "mt352.h"
37#include "mt352_priv.h" /* FIXME */
285eb1a4 38#include "tda1002x.h"
7e48b30a 39#include "tda18271.h"
ca3dfd6a 40#include "s921.h"
75e2b869 41#include "drxd.h"
d6a5f921 42#include "cxd2820r.h"
fec528b7
MCC		 43#include "tda18271c2dd.h"
44#include "drxk.h"
3aefb79a
MCC		 45
46MODULE_DESCRIPTION("driver for em28xx based DVB cards");
47MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
48MODULE_LICENSE("GPL");
49
50static unsigned int debug;
51module_param(debug, int, 0644);
52MODULE_PARM_DESC(debug, "enable debug messages [dvb]");
53
54DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
55
56#define dprintk(level, fmt, arg...) do { \
57if (debug >= level) \
3421b778 58 printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \
3aefb79a
MCC		 59} while (0)
60
3421b778 61#define EM28XX_DVB_NUM_BUFS 5
3421b778
AT		 62#define EM28XX_DVB_MAX_PACKETS 64
63
64struct em28xx_dvb {
f71095be 65 struct dvb_frontend *fe[2];
3421b778
AT		 66
67 /* feed count management */
68 struct mutex lock;
69 int nfeeds;
70
71 /* general boilerplate stuff */
72 struct dvb_adapter adapter;
73 struct dvb_demux demux;
74 struct dmxdev dmxdev;
75 struct dmx_frontend fe_hw;
76 struct dmx_frontend fe_mem;
77 struct dvb_net net;
fec528b7 78
c4c3a3d3 79 /* Due to DRX-K - probably need changes */
fec528b7
MCC		 80 int (*gate_ctrl)(struct dvb_frontend *, int);
81 struct semaphore pll_mutex;
c4c3a3d3 82 bool dont_attach_fe1;
3421b778
AT		 83};
84
85
86static inline void print_err_status(struct em28xx *dev,
87 int packet, int status)
3aefb79a 88{
3421b778 89 char *errmsg = "Unknown";
3aefb79a 90
3421b778
AT		 91 switch (status) {
92 case -ENOENT:
93 errmsg = "unlinked synchronuously";
94 break;
95 case -ECONNRESET:
96 errmsg = "unlinked asynchronuously";
97 break;
98 case -ENOSR:
99 errmsg = "Buffer error (overrun)";
100 break;
101 case -EPIPE:
102 errmsg = "Stalled (device not responding)";
103 break;
104 case -EOVERFLOW:
105 errmsg = "Babble (bad cable?)";
106 break;
107 case -EPROTO:
108 errmsg = "Bit-stuff error (bad cable?)";
109 break;
110 case -EILSEQ:
111 errmsg = "CRC/Timeout (could be anything)";
112 break;
113 case -ETIME:
114 errmsg = "Device does not respond";
115 break;
116 }
117 if (packet < 0) {
118 dprintk(1, "URB status %d [%s].\n", status, errmsg);
119 } else {
6ea54d93
DSL		 120 dprintk(1, "URB packet %d, status %d [%s].\n",
121 packet, status, errmsg);
3421b778
AT		 122 }
123}
3aefb79a 124
3421b778
AT		 125static inline int dvb_isoc_copy(struct em28xx *dev, struct urb *urb)
126{
127 int i;
3aefb79a 128
3421b778
AT		 129 if (!dev)
130 return 0;
3aefb79a 131
3421b778
AT		 132 if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED))
133 return 0;
134
135 if (urb->status < 0) {
136 print_err_status(dev, -1, urb->status);
137 if (urb->status == -ENOENT)
138 return 0;
139 }
140
141 for (i = 0; i < urb->number_of_packets; i++) {
142 int status = urb->iso_frame_desc[i].status;
143
144 if (status < 0) {
145 print_err_status(dev, i, status);
146 if (urb->iso_frame_desc[i].status != -EPROTO)
147 continue;
148 }
149
150 dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer +
151 urb->iso_frame_desc[i].offset,
152 urb->iso_frame_desc[i].actual_length);
153 }
154
155 return 0;
156}
157
6ea54d93
DSL		 158static int start_streaming(struct em28xx_dvb *dvb)
159{
c67ec53f 160 int rc;
3421b778 161 struct em28xx *dev = dvb->adapter.priv;
d18e2fda 162 int max_dvb_packet_size;
3421b778
AT		 163
164 usb_set_interface(dev->udev, 0, 1);
c67ec53f
MCC		 165 rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
166 if (rc < 0)
167 return rc;
3421b778 168
d18e2fda 169 max_dvb_packet_size = em28xx_isoc_dvb_max_packetsize(dev);
f7acc4bb
MCC		 170 if (max_dvb_packet_size < 0)
171 return max_dvb_packet_size;
172 dprintk(1, "Using %d buffers each with %d bytes\n",
173 EM28XX_DVB_NUM_BUFS,
174 max_dvb_packet_size);
d18e2fda 175
3421b778 176 return em28xx_init_isoc(dev, EM28XX_DVB_MAX_PACKETS,
d18e2fda 177 EM28XX_DVB_NUM_BUFS, max_dvb_packet_size,
c67ec53f 178 dvb_isoc_copy);
3421b778
AT		 179}
180
6ea54d93
DSL		 181static int stop_streaming(struct em28xx_dvb *dvb)
182{
3421b778
AT		 183 struct em28xx *dev = dvb->adapter.priv;
184
185 em28xx_uninit_isoc(dev);
c67ec53f 186
2fe3e2ee 187 em28xx_set_mode(dev, EM28XX_SUSPEND);
c67ec53f 188
3aefb79a
MCC		 189 return 0;
190}
191
3421b778
AT		 192static int start_feed(struct dvb_demux_feed *feed)
193{
194 struct dvb_demux *demux = feed->demux;
195 struct em28xx_dvb *dvb = demux->priv;
196 int rc, ret;
197
198 if (!demux->dmx.frontend)
199 return -EINVAL;
200
201 mutex_lock(&dvb->lock);
202 dvb->nfeeds++;
203 rc = dvb->nfeeds;
204
205 if (dvb->nfeeds == 1) {
206 ret = start_streaming(dvb);
6ea54d93
DSL		 207 if (ret < 0)
208 rc = ret;
3421b778
AT		 209 }
210
211 mutex_unlock(&dvb->lock);
212 return rc;
213}
214
215static int stop_feed(struct dvb_demux_feed *feed)
216{
217 struct dvb_demux *demux = feed->demux;
218 struct em28xx_dvb *dvb = demux->priv;
219 int err = 0;
220
221 mutex_lock(&dvb->lock);
222 dvb->nfeeds--;
6ea54d93
DSL		 223
224 if (0 == dvb->nfeeds)
3421b778 225 err = stop_streaming(dvb);
6ea54d93 226
3421b778
AT		 227 mutex_unlock(&dvb->lock);
228 return err;
229}
230
231
e3569abc
MCC		 232
233/* ------------------------------------------------------------------ */
234static int em28xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
235{
236 struct em28xx *dev = fe->dvb->priv;
237
238 if (acquire)
239 return em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
240 else
2fe3e2ee 241 return em28xx_set_mode(dev, EM28XX_SUSPEND);
e3569abc
MCC		 242}
243
3aefb79a
MCC		 244/* ------------------------------------------------------------------ */
245
227ad4ab
MCC		 246static struct lgdt330x_config em2880_lgdt3303_dev = {
247 .demod_address = 0x0e,
248 .demod_chip = LGDT3303,
249};
3aefb79a 250
7e48b30a
JW		 251static struct lgdt3305_config em2870_lgdt3304_dev = {
252 .i2c_addr = 0x0e,
253 .demod_chip = LGDT3304,
254 .spectral_inversion = 1,
255 .deny_i2c_rptr = 1,
256 .mpeg_mode = LGDT3305_MPEG_PARALLEL,
257 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
258 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
259 .vsb_if_khz = 3250,
260 .qam_if_khz = 4000,
261};
262
ca3dfd6a
MCC		 263static struct s921_config sharp_isdbt = {
264 .demod_address = 0x30 >> 1
265};
266
7e6388a1
AT		 267static struct zl10353_config em28xx_zl10353_with_xc3028 = {
268 .demod_address = (0x1e >> 1),
269 .no_tuner = 1,
270 .parallel_ts = 1,
271 .if2 = 45600,
272};
273
6e7b9ea0
RK		 274static struct s5h1409_config em28xx_s5h1409_with_xc3028 = {
275 .demod_address = 0x32 >> 1,
276 .output_mode = S5H1409_PARALLEL_OUTPUT,
277 .gpio = S5H1409_GPIO_OFF,
278 .inversion = S5H1409_INVERSION_OFF,
279 .status_mode = S5H1409_DEMODLOCKING,
280 .mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK
281};
282
7e48b30a
JW		 283static struct tda18271_std_map kworld_a340_std_map = {
284 .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 0,
285 .if_lvl = 1, .rfagc_top = 0x37, },
286 .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 1,
287 .if_lvl = 1, .rfagc_top = 0x37, },
288};
289
290static struct tda18271_config kworld_a340_config = {
291 .std_map = &kworld_a340_std_map,
292};
293
a84f79ae 294static struct zl10353_config em28xx_zl10353_xc3028_no_i2c_gate = {
f797608c
DH		 295 .demod_address = (0x1e >> 1),
296 .no_tuner = 1,
297 .disable_i2c_gate_ctrl = 1,
298 .parallel_ts = 1,
299 .if2 = 45600,
300};
301
75e2b869
DH		 302static struct drxd_config em28xx_drxd = {
303 .index = 0, .demod_address = 0x70, .demod_revision = 0xa2,
304 .demoda_address = 0x00, .pll_address = 0x00,
305 .pll_type = DRXD_PLL_NONE, .clock = 12000, .insert_rs_byte = 1,
306 .pll_set = NULL, .osc_deviation = NULL, .IF = 42800000,
6b142b3c 307 .disable_i2c_gate_ctrl = 1,
17d9d558 308};
17d9d558 309
fec528b7
MCC		 310struct drxk_config terratec_h5_drxk = {
311 .adr = 0x29,
e4f4f875 312 .single_master = 1,
f1fe1b75 313 .no_i2c_bridge = 1,
8b9456ae 314 .microcode_name = "dvb-usb-terratec-h5-drxk.fw",
fec528b7
MCC		 315};
316
317static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
318{
319 struct em28xx_dvb *dvb = fe->sec_priv;
320 int status;
321
322 if (!dvb)
323 return -EINVAL;
324
325 if (enable) {
326 down(&dvb->pll_mutex);
327 status = dvb->gate_ctrl(fe, 1);
328 } else {
329 status = dvb->gate_ctrl(fe, 0);
330 up(&dvb->pll_mutex);
331 }
332 return status;
333}
334
335static void terratec_h5_init(struct em28xx *dev)
336{
337 int i;
338 struct em28xx_reg_seq terratec_h5_init[] = {
339 {EM28XX_R08_GPIO, 0xff, 0xff, 10},
340 {EM2874_R80_GPIO, 0xf6, 0xff, 100},
341 {EM2874_R80_GPIO, 0xf2, 0xff, 50},
342 {EM2874_R80_GPIO, 0xf6, 0xff, 100},
343 { -1, -1, -1, -1},
344 };
345 struct em28xx_reg_seq terratec_h5_end[] = {
346 {EM2874_R80_GPIO, 0xe6, 0xff, 100},
347 {EM2874_R80_GPIO, 0xa6, 0xff, 50},
348 {EM2874_R80_GPIO, 0xe6, 0xff, 100},
349 { -1, -1, -1, -1},
350 };
351 struct {
352 unsigned char r[4];
353 int len;
354 } regs[] = {
355 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
356 {{ 0x01, 0x02 }, 2},
357 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
358 {{ 0x01, 0x00 }, 2},
359 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
360 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
361 {{ 0x01, 0x00 }, 2},
362 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
363 {{ 0x04, 0x00 }, 2},
364 {{ 0x00, 0x04 }, 2},
365 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
366 {{ 0x04, 0x14 }, 2},
367 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
368 };
369
370 em28xx_gpio_set(dev, terratec_h5_init);
371 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
372 msleep(10);
373 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
374 msleep(10);
375
376 dev->i2c_client.addr = 0x82 >> 1;
377
378 for (i = 0; i < ARRAY_SIZE(regs); i++)
379 i2c_master_send(&dev->i2c_client, regs[i].r, regs[i].len);
380 em28xx_gpio_set(dev, terratec_h5_end);
381};
382
4fb202a8
DH		 383static int mt352_terratec_xs_init(struct dvb_frontend *fe)
384{
385 /* Values extracted from a USB trace of the Terratec Windows driver */
386 static u8 clock_config[] = { CLOCK_CTL, 0x38, 0x2c };
387 static u8 reset[] = { RESET, 0x80 };
388 static u8 adc_ctl_1_cfg[] = { ADC_CTL_1, 0x40 };
389 static u8 agc_cfg[] = { AGC_TARGET, 0x28, 0xa0 };
390 static u8 input_freq_cfg[] = { INPUT_FREQ_1, 0x31, 0xb8 };
391 static u8 rs_err_cfg[] = { RS_ERR_PER_1, 0x00, 0x4d };
392 static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
393 static u8 trl_nom_cfg[] = { TRL_NOMINAL_RATE_1, 0x64, 0x00 };
394 static u8 tps_given_cfg[] = { TPS_GIVEN_1, 0x40, 0x80, 0x50 };
ff69786b 395 static u8 tuner_go[] = { TUNER_GO, 0x01};
4fb202a8
DH		 396
397 mt352_write(fe, clock_config, sizeof(clock_config));
398 udelay(200);
399 mt352_write(fe, reset, sizeof(reset));
400 mt352_write(fe, adc_ctl_1_cfg, sizeof(adc_ctl_1_cfg));
401 mt352_write(fe, agc_cfg, sizeof(agc_cfg));
402 mt352_write(fe, input_freq_cfg, sizeof(input_freq_cfg));
403 mt352_write(fe, rs_err_cfg, sizeof(rs_err_cfg));
404 mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
405 mt352_write(fe, trl_nom_cfg, sizeof(trl_nom_cfg));
406 mt352_write(fe, tps_given_cfg, sizeof(tps_given_cfg));
407 mt352_write(fe, tuner_go, sizeof(tuner_go));
408 return 0;
409}
410
411static struct mt352_config terratec_xs_mt352_cfg = {
412 .demod_address = (0x1e >> 1),
413 .no_tuner = 1,
414 .if2 = 45600,
415 .demod_init = mt352_terratec_xs_init,
416};
417
285eb1a4
AP		 418static struct tda10023_config em28xx_tda10023_config = {
419 .demod_address = 0x0c,
420 .invert = 1,
421};
422
d6a5f921
AP		 423static struct cxd2820r_config em28xx_cxd2820r_config = {
424 .i2c_address = (0xd8 >> 1),
425 .ts_mode = CXD2820R_TS_SERIAL,
426 .if_dvbt_6 = 3300,
427 .if_dvbt_7 = 3500,
428 .if_dvbt_8 = 4000,
429 .if_dvbt2_6 = 3300,
430 .if_dvbt2_7 = 3500,
431 .if_dvbt2_8 = 4000,
432 .if_dvbc = 5000,
433
434 /* enable LNA for DVB-T2 and DVB-C */
435 .gpio_dvbt2[0] = CXD2820R_GPIO_E | CXD2820R_GPIO_O | CXD2820R_GPIO_L,
436 .gpio_dvbc[0] = CXD2820R_GPIO_E | CXD2820R_GPIO_O | CXD2820R_GPIO_L,
437};
438
439static struct tda18271_config em28xx_cxd2820r_tda18271_config = {
440 .output_opt = TDA18271_OUTPUT_LT_OFF,
441};
442
3aefb79a
MCC		 443/* ------------------------------------------------------------------ */
444
445static int attach_xc3028(u8 addr, struct em28xx *dev)
446{
447 struct dvb_frontend *fe;
3ca9c093
MCC		 448 struct xc2028_config cfg;
449
6ea54d93 450 memset(&cfg, 0, sizeof(cfg));
3ca9c093
MCC		 451 cfg.i2c_adap = &dev->i2c_adap;
452 cfg.i2c_addr = addr;
3ca9c093 453
f71095be 454 if (!dev->dvb->fe[0]) {
480be185
FR		 455 em28xx_errdev("/2: dvb frontend not attached. "
456 "Can't attach xc3028\n");
3aefb79a
MCC		 457 return -EINVAL;
458 }
459
f71095be 460 fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg);
3aefb79a 461 if (!fe) {
480be185 462 em28xx_errdev("/2: xc3028 attach failed\n");
f71095be
AP		 463 dvb_frontend_detach(dev->dvb->fe[0]);
464 dev->dvb->fe[0] = NULL;
3aefb79a
MCC		 465 return -EINVAL;
466 }
467
480be185 468 em28xx_info("%s/2: xc3028 attached\n", dev->name);
3aefb79a
MCC		 469
470 return 0;
471}
472
3421b778
AT		 473/* ------------------------------------------------------------------ */
474
d45b9b8a 475static int register_dvb(struct em28xx_dvb *dvb,
3421b778
AT		 476 struct module *module,
477 struct em28xx *dev,
478 struct device *device)
3aefb79a 479{
3421b778 480 int result;
3aefb79a 481
3421b778 482 mutex_init(&dvb->lock);
3aefb79a 483
3421b778
AT		 484 /* register adapter */
485 result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,
486 adapter_nr);
487 if (result < 0) {
488 printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n",
489 dev->name, result);
490 goto fail_adapter;
491 }
e3569abc
MCC		 492
493 /* Ensure all frontends negotiate bus access */
f71095be
AP		 494 dvb->fe[0]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
495 if (dvb->fe[1])
496 dvb->fe[1]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
e3569abc 497
3421b778
AT		 498 dvb->adapter.priv = dev;
499
500 /* register frontend */
f71095be 501 result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]);
3421b778
AT		 502 if (result < 0) {
503 printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n",
504 dev->name, result);
f71095be
AP		 505 goto fail_frontend0;
506 }
507
508 /* register 2nd frontend */
509 if (dvb->fe[1]) {
510 result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]);
511 if (result < 0) {
512 printk(KERN_WARNING "%s: 2nd dvb_register_frontend failed (errno = %d)\n",
513 dev->name, result);
514 goto fail_frontend1;
515 }
3421b778
AT		 516 }
517
518 /* register demux stuff */
519 dvb->demux.dmx.capabilities =
520 DMX_TS_FILTERING | DMX_SECTION_FILTERING |
521 DMX_MEMORY_BASED_FILTERING;
522 dvb->demux.priv = dvb;
523 dvb->demux.filternum = 256;
524 dvb->demux.feednum = 256;
525 dvb->demux.start_feed = start_feed;
526 dvb->demux.stop_feed = stop_feed;
e3569abc 527
3421b778
AT		 528 result = dvb_dmx_init(&dvb->demux);
529 if (result < 0) {
530 printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n",
531 dev->name, result);
532 goto fail_dmx;
533 }
534
535 dvb->dmxdev.filternum = 256;
536 dvb->dmxdev.demux = &dvb->demux.dmx;
537 dvb->dmxdev.capabilities = 0;
538 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
539 if (result < 0) {
540 printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n",
541 dev->name, result);
542 goto fail_dmxdev;
543 }
52284c3e 544
3421b778
AT		 545 dvb->fe_hw.source = DMX_FRONTEND_0;
546 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
547 if (result < 0) {
548 printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
549 dev->name, result);
550 goto fail_fe_hw;
551 }
552
553 dvb->fe_mem.source = DMX_MEMORY_FE;
554 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
555 if (result < 0) {
556 printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
557 dev->name, result);
558 goto fail_fe_mem;
559 }
560
561 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
562 if (result < 0) {
563 printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n",
564 dev->name, result);
565 goto fail_fe_conn;
566 }
567
568 /* register network adapter */
569 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
570 return 0;
571
572fail_fe_conn:
573 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
574fail_fe_mem:
575 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
576fail_fe_hw:
577 dvb_dmxdev_release(&dvb->dmxdev);
578fail_dmxdev:
579 dvb_dmx_release(&dvb->demux);
580fail_dmx:
f71095be
AP		 581 if (dvb->fe[1])
582 dvb_unregister_frontend(dvb->fe[1]);
583 dvb_unregister_frontend(dvb->fe[0]);
584fail_frontend1:
585 if (dvb->fe[1])
586 dvb_frontend_detach(dvb->fe[1]);
587fail_frontend0:
588 dvb_frontend_detach(dvb->fe[0]);
3421b778
AT		 589 dvb_unregister_adapter(&dvb->adapter);
590fail_adapter:
591 return result;
592}
593
594static void unregister_dvb(struct em28xx_dvb *dvb)
595{
596 dvb_net_release(&dvb->net);
597 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
598 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
599 dvb_dmxdev_release(&dvb->dmxdev);
600 dvb_dmx_release(&dvb->demux);
f71095be
AP		 601 if (dvb->fe[1])
602 dvb_unregister_frontend(dvb->fe[1]);
603 dvb_unregister_frontend(dvb->fe[0]);
c4c3a3d3 604 if (dvb->fe[1] && !dvb->dont_attach_fe1)
f71095be
AP		 605 dvb_frontend_detach(dvb->fe[1]);
606 dvb_frontend_detach(dvb->fe[0]);
3421b778
AT		 607 dvb_unregister_adapter(&dvb->adapter);
608}
609
3421b778
AT		 610static int dvb_init(struct em28xx *dev)
611{
e3645437 612 int result = 0, mfe_shared = 0;
3421b778
AT		 613 struct em28xx_dvb *dvb;
614
505b6d0b 615 if (!dev->board.has_dvb) {
df619181 616 /* This device does not support the extension */
ca3dfd6a 617 printk(KERN_INFO "em28xx_dvb: This device does not support the extension\n");
df619181
DH		 618 return 0;
619 }
620
3421b778 621 dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL);
6ea54d93
DSL		 622
623 if (dvb == NULL) {
480be185 624 em28xx_info("em28xx_dvb: memory allocation failed\n");
3421b778
AT		 625 return -ENOMEM;
626 }
627 dev->dvb = dvb;
f71095be 628 dvb->fe[0] = dvb->fe[1] = NULL;
3aefb79a 629
5013318c 630 mutex_lock(&dev->lock);
c67ec53f 631 em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
3aefb79a
MCC		 632 /* init frontend */
633 switch (dev->model) {
ebaefdb7 634 case EM2874_BOARD_LEADERSHIP_ISDBT:
f71095be 635 dvb->fe[0] = dvb_attach(s921_attach,
ca3dfd6a
MCC		 636 &sharp_isdbt, &dev->i2c_adap);
637
f71095be 638 if (!dvb->fe[0]) {
ca3dfd6a
MCC		 639 result = -EINVAL;
640 goto out_free;
641 }
642
643 break;
f89bc329 644 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850:
10ac6603 645 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950:
4fd305b2 646 case EM2880_BOARD_PINNACLE_PCTV_HD_PRO:
e14b3658 647 case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600:
f71095be 648 dvb->fe[0] = dvb_attach(lgdt330x_attach,
3421b778
AT		 649 &em2880_lgdt3303_dev,
650 &dev->i2c_adap);
651 if (attach_xc3028(0x61, dev) < 0) {
652 result = -EINVAL;
653 goto out_free;
654 }
227ad4ab 655 break;
46510b56 656 case EM2880_BOARD_KWORLD_DVB_310U:
f71095be 657 dvb->fe[0] = dvb_attach(zl10353_attach,
3421b778
AT		 658 &em28xx_zl10353_with_xc3028,
659 &dev->i2c_adap);
660 if (attach_xc3028(0x61, dev) < 0) {
661 result = -EINVAL;
662 goto out_free;
663 }
7e6388a1 664 break;
a84f79ae 665 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
ec994d05 666 case EM2882_BOARD_TERRATEC_HYBRID_XS:
01a5fd6f 667 case EM2880_BOARD_EMPIRE_DUAL_TV:
f71095be 668 dvb->fe[0] = dvb_attach(zl10353_attach,
a84f79ae
DH		 669 &em28xx_zl10353_xc3028_no_i2c_gate,
670 &dev->i2c_adap);
671 if (attach_xc3028(0x61, dev) < 0) {
672 result = -EINVAL;
673 goto out_free;
674 }
675 break;
f797608c 676 case EM2880_BOARD_TERRATEC_HYBRID_XS:
65638011 677 case EM2880_BOARD_TERRATEC_HYBRID_XS_FR:
d5b3ba9c 678 case EM2881_BOARD_PINNACLE_HYBRID_PRO:
7ca7ef60 679 case EM2882_BOARD_DIKOM_DK300:
811fab62 680 case EM2882_BOARD_KWORLD_VS_DVBT:
f71095be 681 dvb->fe[0] = dvb_attach(zl10353_attach,
a84f79ae 682 &em28xx_zl10353_xc3028_no_i2c_gate,
f797608c 683 &dev->i2c_adap);
f71095be 684 if (dvb->fe[0] == NULL) {
f797608c
DH		 685 /* This board could have either a zl10353 or a mt352.
686 If the chip id isn't for zl10353, try mt352 */
f71095be 687 dvb->fe[0] = dvb_attach(mt352_attach,
4fb202a8
DH		 688 &terratec_xs_mt352_cfg,
689 &dev->i2c_adap);
f797608c 690 }
4fb202a8 691
f797608c
DH		 692 if (attach_xc3028(0x61, dev) < 0) {
693 result = -EINVAL;
694 goto out_free;
695 }
696 break;
6e7b9ea0 697 case EM2883_BOARD_KWORLD_HYBRID_330U:
19859229 698 case EM2882_BOARD_EVGA_INDTUBE:
f71095be 699 dvb->fe[0] = dvb_attach(s5h1409_attach,
6e7b9ea0
RK		 700 &em28xx_s5h1409_with_xc3028,
701 &dev->i2c_adap);
702 if (attach_xc3028(0x61, dev) < 0) {
703 result = -EINVAL;
704 goto out_free;
705 }
706 break;
d7de5d8f 707 case EM2882_BOARD_KWORLD_ATSC_315U:
f71095be 708 dvb->fe[0] = dvb_attach(lgdt330x_attach,
d7de5d8f
FM		 709 &em2880_lgdt3303_dev,
710 &dev->i2c_adap);
f71095be
AP		 711 if (dvb->fe[0] != NULL) {
712 if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
d7de5d8f
FM		 713 &dev->i2c_adap, 0x61, TUNER_THOMSON_DTT761X)) {
714 result = -EINVAL;
715 goto out_free;
716 }
717 }
718 break;
17d9d558 719 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2:
ad9b4bb2 720 case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E:
f71095be 721 dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL,
75e2b869 722 &dev->i2c_adap, &dev->udev->dev);
17d9d558
DH		 723 if (attach_xc3028(0x61, dev) < 0) {
724 result = -EINVAL;
725 goto out_free;
726 }
727 break;
285eb1a4
AP		 728 case EM2870_BOARD_REDDO_DVB_C_USB_BOX:
729 /* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */
f71095be 730 dvb->fe[0] = dvb_attach(tda10023_attach,
285eb1a4
AP		 731 &em28xx_tda10023_config,
732 &dev->i2c_adap, 0x48);
f71095be
AP		 733 if (dvb->fe[0]) {
734 if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
285eb1a4
AP		 735 &dev->i2c_adap, 0x60, TUNER_PHILIPS_CU1216L)) {
736 result = -EINVAL;
737 goto out_free;
738 }
739 }
740 break;
7e48b30a 741 case EM2870_BOARD_KWORLD_A340:
f71095be 742 dvb->fe[0] = dvb_attach(lgdt3305_attach,
7e48b30a
JW		 743 &em2870_lgdt3304_dev,
744 &dev->i2c_adap);
f71095be
AP		 745 if (dvb->fe[0] != NULL)
746 dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
7e48b30a
JW		 747 &dev->i2c_adap, &kworld_a340_config);
748 break;
d6a5f921
AP		 749 case EM28174_BOARD_PCTV_290E:
750 /* MFE
751 * FE 0 = DVB-T/T2 + FE 1 = DVB-C, both sharing same tuner. */
752 /* FE 0 */
753 dvb->fe[0] = dvb_attach(cxd2820r_attach,
754 &em28xx_cxd2820r_config, &dev->i2c_adap, NULL);
755 if (dvb->fe[0]) {
756 struct i2c_adapter *i2c_tuner;
757 i2c_tuner = cxd2820r_get_tuner_i2c_adapter(dvb->fe[0]);
758 /* FE 0 attach tuner */
759 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
760 i2c_tuner, &em28xx_cxd2820r_tda18271_config)) {
761 dvb_frontend_detach(dvb->fe[0]);
762 result = -EINVAL;
763 goto out_free;
764 }
765 /* FE 1. This dvb_attach() cannot fail. */
766 dvb->fe[1] = dvb_attach(cxd2820r_attach, NULL, NULL,
767 dvb->fe[0]);
768 dvb->fe[1]->id = 1;
769 /* FE 1 attach tuner */
770 if (!dvb_attach(tda18271_attach, dvb->fe[1], 0x60,
771 i2c_tuner, &em28xx_cxd2820r_tda18271_config)) {
772 dvb_frontend_detach(dvb->fe[1]);
773 /* leave FE 0 still active */
774 }
e3645437
AP		 775
776 mfe_shared = 1;
d6a5f921 777 }
fec528b7
MCC		 778 break;
779 case EM2884_BOARD_TERRATEC_H5:
780 terratec_h5_init(dev);
781
c4c3a3d3
MCC		 782 dvb->dont_attach_fe1 = 1;
783
fec528b7 784 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, &dev->i2c_adap, &dvb->fe[1]);
c4c3a3d3 785 if (!dvb->fe[0]) {
fec528b7
MCC		 786 result = -EINVAL;
787 goto out_free;
788 }
c4c3a3d3 789
fec528b7
MCC		 790 /* FIXME: do we need a pll semaphore? */
791 dvb->fe[0]->sec_priv = dvb;
792 sema_init(&dvb->pll_mutex, 1);
793 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
794 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
fec528b7
MCC		 795 dvb->fe[1]->id = 1;
796
c4c3a3d3 797 /* Attach tda18271 to DVB-C frontend */
fec528b7
MCC		 798 if (dvb->fe[0]->ops.i2c_gate_ctrl)
799 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
800 if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], &dev->i2c_adap, 0x60)) {
801 result = -EINVAL;
802 goto out_free;
803 }
804 if (dvb->fe[0]->ops.i2c_gate_ctrl)
805 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
c4c3a3d3
MCC		 806
807 /* Hack - needed by drxk/tda18271c2dd */
808 dvb->fe[1]->tuner_priv = dvb->fe[0]->tuner_priv;
809 memcpy(&dvb->fe[1]->ops.tuner_ops,
810 &dvb->fe[0]->ops.tuner_ops,
811 sizeof(dvb->fe[0]->ops.tuner_ops));
fec528b7 812
d6a5f921 813 break;
3aefb79a 814 default:
480be185
FR		 815 em28xx_errdev("/2: The frontend of your DVB/ATSC card"
816 " isn't supported yet\n");
3aefb79a
MCC		 817 break;
818 }
f71095be 819 if (NULL == dvb->fe[0]) {
480be185 820 em28xx_errdev("/2: frontend initialization failed\n");
3421b778
AT		 821 result = -EINVAL;
822 goto out_free;
3aefb79a 823 }
d7cba043 824 /* define general-purpose callback pointer */
f71095be 825 dvb->fe[0]->callback = em28xx_tuner_callback;
3aefb79a
MCC		 826
827 /* register everything */
3421b778
AT		 828 result = register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
829
6ea54d93 830 if (result < 0)
3421b778 831 goto out_free;
3421b778 832
e3645437
AP		 833 /* MFE lock */
834 dvb->adapter.mfe_shared = mfe_shared;
835
480be185 836 em28xx_info("Successfully loaded em28xx-dvb\n");
5013318c
MCC		 837ret:
838 em28xx_set_mode(dev, EM28XX_SUSPEND);
839 mutex_unlock(&dev->lock);
840 return result;
3421b778
AT		 841
842out_free:
843 kfree(dvb);
844 dev->dvb = NULL;
5013318c 845 goto ret;
3aefb79a
MCC		 846}
847
848static int dvb_fini(struct em28xx *dev)
849{
505b6d0b 850 if (!dev->board.has_dvb) {
df619181
DH		 851 /* This device does not support the extension */
852 return 0;
853 }
854
3421b778
AT		 855 if (dev->dvb) {
856 unregister_dvb(dev->dvb);
19f48cb1 857 kfree(dev->dvb);
3421b778
AT		 858 dev->dvb = NULL;
859 }
3aefb79a
MCC		 860
861 return 0;
862}
863
864static struct em28xx_ops dvb_ops = {
865 .id = EM28XX_DVB,
866 .name = "Em28xx dvb Extension",
867 .init = dvb_init,
868 .fini = dvb_fini,
869};
870
871static int __init em28xx_dvb_register(void)
872{
873 return em28xx_register_extension(&dvb_ops);
874}
875
876static void __exit em28xx_dvb_unregister(void)
877{
878 em28xx_unregister_extension(&dvb_ops);
879}
880
881module_init(em28xx_dvb_register);
882module_exit(em28xx_dvb_unregister);
kernel source for telekom puls (alcatel/mediatek)