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[media] em28xx: Fix CodingStyle issues introduced by changeset 82e7dbb
[deliverable/linux.git] / drivers / media / video / em28xx / em28xx-dvb.c
1 /*
2 DVB device driver for em28xx
3
4 (c) 2008-2011 Mauro Carvalho Chehab <mchehab@infradead.org>
5
6 (c) 2008 Devin Heitmueller <devin.heitmueller@gmail.com>
7 - Fixes for the driver to properly work with HVR-950
8 - Fixes for the driver to properly work with Pinnacle PCTV HD Pro Stick
9 - Fixes for the driver to properly work with AMD ATI TV Wonder HD 600
10
11 (c) 2008 Aidan Thornton <makosoft@googlemail.com>
12
13 Based on cx88-dvb, saa7134-dvb and videobuf-dvb originally written by:
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>
23 #include <linux/slab.h>
24 #include <linux/usb.h>
25
26 #include "em28xx.h"
27 #include <media/v4l2-common.h>
28 #include <media/videobuf-vmalloc.h>
29 #include <media/tuner.h>
30 #include "tuner-simple.h"
31
32 #include "lgdt330x.h"
33 #include "lgdt3305.h"
34 #include "zl10353.h"
35 #include "s5h1409.h"
36 #include "mt352.h"
37 #include "mt352_priv.h" /* FIXME */
38 #include "tda1002x.h"
39 #include "tda18271.h"
40 #include "s921.h"
41 #include "drxd.h"
42 #include "cxd2820r.h"
43 #include "tda18271c2dd.h"
44 #include "drxk.h"
45 #include "tda10071.h"
46 #include "a8293.h"
47
48 MODULE_DESCRIPTION("driver for em28xx based DVB cards");
49 MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
50 MODULE_LICENSE("GPL");
51
52 static unsigned int debug;
53 module_param(debug, int, 0644);
54 MODULE_PARM_DESC(debug, "enable debug messages [dvb]");
55
56 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
57
58 #define dprintk(level, fmt, arg...) do { \
59 if (debug >= level) \
60 printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \
61 } while (0)
62
63 #define EM28XX_DVB_NUM_BUFS 5
64 #define EM28XX_DVB_MAX_PACKETS 64
65
66 struct em28xx_dvb {
67 struct dvb_frontend *fe[2];
68
69 /* feed count management */
70 struct mutex lock;
71 int nfeeds;
72
73 /* general boilerplate stuff */
74 struct dvb_adapter adapter;
75 struct dvb_demux demux;
76 struct dmxdev dmxdev;
77 struct dmx_frontend fe_hw;
78 struct dmx_frontend fe_mem;
79 struct dvb_net net;
80
81 /* Due to DRX-K - probably need changes */
82 int (*gate_ctrl)(struct dvb_frontend *, int);
83 struct semaphore pll_mutex;
84 bool dont_attach_fe1;
85 };
86
87
88 static inline void print_err_status(struct em28xx *dev,
89 int packet, int status)
90 {
91 char *errmsg = "Unknown";
92
93 switch (status) {
94 case -ENOENT:
95 errmsg = "unlinked synchronuously";
96 break;
97 case -ECONNRESET:
98 errmsg = "unlinked asynchronuously";
99 break;
100 case -ENOSR:
101 errmsg = "Buffer error (overrun)";
102 break;
103 case -EPIPE:
104 errmsg = "Stalled (device not responding)";
105 break;
106 case -EOVERFLOW:
107 errmsg = "Babble (bad cable?)";
108 break;
109 case -EPROTO:
110 errmsg = "Bit-stuff error (bad cable?)";
111 break;
112 case -EILSEQ:
113 errmsg = "CRC/Timeout (could be anything)";
114 break;
115 case -ETIME:
116 errmsg = "Device does not respond";
117 break;
118 }
119 if (packet < 0) {
120 dprintk(1, "URB status %d [%s].\n", status, errmsg);
121 } else {
122 dprintk(1, "URB packet %d, status %d [%s].\n",
123 packet, status, errmsg);
124 }
125 }
126
127 static inline int em28xx_dvb_isoc_copy(struct em28xx *dev, struct urb *urb)
128 {
129 int i;
130
131 if (!dev)
132 return 0;
133
134 if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED))
135 return 0;
136
137 if (urb->status < 0) {
138 print_err_status(dev, -1, urb->status);
139 if (urb->status == -ENOENT)
140 return 0;
141 }
142
143 for (i = 0; i < urb->number_of_packets; i++) {
144 int status = urb->iso_frame_desc[i].status;
145
146 if (status < 0) {
147 print_err_status(dev, i, status);
148 if (urb->iso_frame_desc[i].status != -EPROTO)
149 continue;
150 }
151
152 dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer +
153 urb->iso_frame_desc[i].offset,
154 urb->iso_frame_desc[i].actual_length);
155 }
156
157 return 0;
158 }
159
160 static int em28xx_start_streaming(struct em28xx_dvb *dvb)
161 {
162 int rc;
163 struct em28xx *dev = dvb->adapter.priv;
164 int max_dvb_packet_size;
165
166 usb_set_interface(dev->udev, 0, 1);
167 rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
168 if (rc < 0)
169 return rc;
170
171 max_dvb_packet_size = em28xx_isoc_dvb_max_packetsize(dev);
172 if (max_dvb_packet_size < 0)
173 return max_dvb_packet_size;
174 dprintk(1, "Using %d buffers each with %d bytes\n",
175 EM28XX_DVB_NUM_BUFS,
176 max_dvb_packet_size);
177
178 return em28xx_init_isoc(dev, EM28XX_DVB_MAX_PACKETS,
179 EM28XX_DVB_NUM_BUFS, max_dvb_packet_size,
180 em28xx_dvb_isoc_copy);
181 }
182
183 static int em28xx_stop_streaming(struct em28xx_dvb *dvb)
184 {
185 struct em28xx *dev = dvb->adapter.priv;
186
187 em28xx_uninit_isoc(dev);
188
189 em28xx_set_mode(dev, EM28XX_SUSPEND);
190
191 return 0;
192 }
193
194 static int em28xx_start_feed(struct dvb_demux_feed *feed)
195 {
196 struct dvb_demux *demux = feed->demux;
197 struct em28xx_dvb *dvb = demux->priv;
198 int rc, ret;
199
200 if (!demux->dmx.frontend)
201 return -EINVAL;
202
203 mutex_lock(&dvb->lock);
204 dvb->nfeeds++;
205 rc = dvb->nfeeds;
206
207 if (dvb->nfeeds == 1) {
208 ret = em28xx_start_streaming(dvb);
209 if (ret < 0)
210 rc = ret;
211 }
212
213 mutex_unlock(&dvb->lock);
214 return rc;
215 }
216
217 static int em28xx_stop_feed(struct dvb_demux_feed *feed)
218 {
219 struct dvb_demux *demux = feed->demux;
220 struct em28xx_dvb *dvb = demux->priv;
221 int err = 0;
222
223 mutex_lock(&dvb->lock);
224 dvb->nfeeds--;
225
226 if (0 == dvb->nfeeds)
227 err = em28xx_stop_streaming(dvb);
228
229 mutex_unlock(&dvb->lock);
230 return err;
231 }
232
233
234
235 /* ------------------------------------------------------------------ */
236 static int em28xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
237 {
238 struct em28xx *dev = fe->dvb->priv;
239
240 if (acquire)
241 return em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
242 else
243 return em28xx_set_mode(dev, EM28XX_SUSPEND);
244 }
245
246 /* ------------------------------------------------------------------ */
247
248 static struct lgdt330x_config em2880_lgdt3303_dev = {
249 .demod_address = 0x0e,
250 .demod_chip = LGDT3303,
251 };
252
253 static struct lgdt3305_config em2870_lgdt3304_dev = {
254 .i2c_addr = 0x0e,
255 .demod_chip = LGDT3304,
256 .spectral_inversion = 1,
257 .deny_i2c_rptr = 1,
258 .mpeg_mode = LGDT3305_MPEG_PARALLEL,
259 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
260 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
261 .vsb_if_khz = 3250,
262 .qam_if_khz = 4000,
263 };
264
265 static struct s921_config sharp_isdbt = {
266 .demod_address = 0x30 >> 1
267 };
268
269 static struct zl10353_config em28xx_zl10353_with_xc3028 = {
270 .demod_address = (0x1e >> 1),
271 .no_tuner = 1,
272 .parallel_ts = 1,
273 .if2 = 45600,
274 };
275
276 static struct s5h1409_config em28xx_s5h1409_with_xc3028 = {
277 .demod_address = 0x32 >> 1,
278 .output_mode = S5H1409_PARALLEL_OUTPUT,
279 .gpio = S5H1409_GPIO_OFF,
280 .inversion = S5H1409_INVERSION_OFF,
281 .status_mode = S5H1409_DEMODLOCKING,
282 .mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK
283 };
284
285 static struct tda18271_std_map kworld_a340_std_map = {
286 .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 0,
287 .if_lvl = 1, .rfagc_top = 0x37, },
288 .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 1,
289 .if_lvl = 1, .rfagc_top = 0x37, },
290 };
291
292 static struct tda18271_config kworld_a340_config = {
293 .std_map = &kworld_a340_std_map,
294 };
295
296 static struct zl10353_config em28xx_zl10353_xc3028_no_i2c_gate = {
297 .demod_address = (0x1e >> 1),
298 .no_tuner = 1,
299 .disable_i2c_gate_ctrl = 1,
300 .parallel_ts = 1,
301 .if2 = 45600,
302 };
303
304 static struct drxd_config em28xx_drxd = {
305 .index = 0, .demod_address = 0x70, .demod_revision = 0xa2,
306 .demoda_address = 0x00, .pll_address = 0x00,
307 .pll_type = DRXD_PLL_NONE, .clock = 12000, .insert_rs_byte = 1,
308 .pll_set = NULL, .osc_deviation = NULL, .IF = 42800000,
309 .disable_i2c_gate_ctrl = 1,
310 };
311
312 struct drxk_config terratec_h5_drxk = {
313 .adr = 0x29,
314 .single_master = 1,
315 .no_i2c_bridge = 1,
316 .microcode_name = "dvb-usb-terratec-h5-drxk.fw",
317 };
318
319 struct drxk_config hauppauge_930c_drxk = {
320 .adr = 0x29,
321 .single_master = 1,
322 .no_i2c_bridge = 1,
323 .microcode_name = "dvb-usb-hauppauge-hvr930c-drxk.fw",
324 .chunk_size = 56,
325 };
326
327 static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
328 {
329 struct em28xx_dvb *dvb = fe->sec_priv;
330 int status;
331
332 if (!dvb)
333 return -EINVAL;
334
335 if (enable) {
336 down(&dvb->pll_mutex);
337 status = dvb->gate_ctrl(fe, 1);
338 } else {
339 status = dvb->gate_ctrl(fe, 0);
340 up(&dvb->pll_mutex);
341 }
342 return status;
343 }
344
345 static void hauppauge_hvr930c_init(struct em28xx *dev)
346 {
347 int i;
348
349 struct em28xx_reg_seq hauppauge_hvr930c_init[] = {
350 {EM2874_R80_GPIO, 0xff, 0xff, 0x65},
351 {EM2874_R80_GPIO, 0xfb, 0xff, 0x32},
352 {EM2874_R80_GPIO, 0xff, 0xff, 0xb8},
353 { -1, -1, -1, -1},
354 };
355 struct em28xx_reg_seq hauppauge_hvr930c_end[] = {
356 {EM2874_R80_GPIO, 0xef, 0xff, 0x01},
357 {EM2874_R80_GPIO, 0xaf, 0xff, 0x65},
358 {EM2874_R80_GPIO, 0xef, 0xff, 0x76},
359 {EM2874_R80_GPIO, 0xef, 0xff, 0x01},
360 {EM2874_R80_GPIO, 0xcf, 0xff, 0x0b},
361 {EM2874_R80_GPIO, 0xef, 0xff, 0x40},
362
363 {EM2874_R80_GPIO, 0xcf, 0xff, 0x65},
364 {EM2874_R80_GPIO, 0xef, 0xff, 0x65},
365 {EM2874_R80_GPIO, 0xcf, 0xff, 0x0b},
366 {EM2874_R80_GPIO, 0xef, 0xff, 0x65},
367
368 { -1, -1, -1, -1},
369 };
370
371 struct {
372 unsigned char r[4];
373 int len;
374 } regs[] = {
375 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
376 {{ 0x01, 0x02 }, 2},
377 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
378 {{ 0x01, 0x00 }, 2},
379 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
380 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
381 {{ 0x01, 0x00 }, 2},
382 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
383 {{ 0x04, 0x00 }, 2},
384 {{ 0x00, 0x04 }, 2},
385 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
386 {{ 0x04, 0x14 }, 2},
387 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
388 };
389
390 em28xx_gpio_set(dev, hauppauge_hvr930c_init);
391 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
392 msleep(10);
393 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
394 msleep(10);
395
396 dev->i2c_client.addr = 0x82 >> 1;
397
398 for (i = 0; i < ARRAY_SIZE(regs); i++)
399 i2c_master_send(&dev->i2c_client, regs[i].r, regs[i].len);
400 em28xx_gpio_set(dev, hauppauge_hvr930c_end);
401
402 msleep(100);
403
404 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
405 msleep(30);
406
407 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
408 msleep(10);
409
410 }
411
412 static void terratec_h5_init(struct em28xx *dev)
413 {
414 int i;
415 struct em28xx_reg_seq terratec_h5_init[] = {
416 {EM28XX_R08_GPIO, 0xff, 0xff, 10},
417 {EM2874_R80_GPIO, 0xf6, 0xff, 100},
418 {EM2874_R80_GPIO, 0xf2, 0xff, 50},
419 {EM2874_R80_GPIO, 0xf6, 0xff, 100},
420 { -1, -1, -1, -1},
421 };
422 struct em28xx_reg_seq terratec_h5_end[] = {
423 {EM2874_R80_GPIO, 0xe6, 0xff, 100},
424 {EM2874_R80_GPIO, 0xa6, 0xff, 50},
425 {EM2874_R80_GPIO, 0xe6, 0xff, 100},
426 { -1, -1, -1, -1},
427 };
428 struct {
429 unsigned char r[4];
430 int len;
431 } regs[] = {
432 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
433 {{ 0x01, 0x02 }, 2},
434 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
435 {{ 0x01, 0x00 }, 2},
436 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
437 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
438 {{ 0x01, 0x00 }, 2},
439 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
440 {{ 0x04, 0x00 }, 2},
441 {{ 0x00, 0x04 }, 2},
442 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
443 {{ 0x04, 0x14 }, 2},
444 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
445 };
446
447 em28xx_gpio_set(dev, terratec_h5_init);
448 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
449 msleep(10);
450 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
451 msleep(10);
452
453 dev->i2c_client.addr = 0x82 >> 1;
454
455 for (i = 0; i < ARRAY_SIZE(regs); i++)
456 i2c_master_send(&dev->i2c_client, regs[i].r, regs[i].len);
457 em28xx_gpio_set(dev, terratec_h5_end);
458 };
459
460 static int em28xx_mt352_terratec_xs_init(struct dvb_frontend *fe)
461 {
462 /* Values extracted from a USB trace of the Terratec Windows driver */
463 static u8 clock_config[] = { CLOCK_CTL, 0x38, 0x2c };
464 static u8 reset[] = { RESET, 0x80 };
465 static u8 adc_ctl_1_cfg[] = { ADC_CTL_1, 0x40 };
466 static u8 agc_cfg[] = { AGC_TARGET, 0x28, 0xa0 };
467 static u8 input_freq_cfg[] = { INPUT_FREQ_1, 0x31, 0xb8 };
468 static u8 rs_err_cfg[] = { RS_ERR_PER_1, 0x00, 0x4d };
469 static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
470 static u8 trl_nom_cfg[] = { TRL_NOMINAL_RATE_1, 0x64, 0x00 };
471 static u8 tps_given_cfg[] = { TPS_GIVEN_1, 0x40, 0x80, 0x50 };
472 static u8 tuner_go[] = { TUNER_GO, 0x01};
473
474 mt352_write(fe, clock_config, sizeof(clock_config));
475 udelay(200);
476 mt352_write(fe, reset, sizeof(reset));
477 mt352_write(fe, adc_ctl_1_cfg, sizeof(adc_ctl_1_cfg));
478 mt352_write(fe, agc_cfg, sizeof(agc_cfg));
479 mt352_write(fe, input_freq_cfg, sizeof(input_freq_cfg));
480 mt352_write(fe, rs_err_cfg, sizeof(rs_err_cfg));
481 mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
482 mt352_write(fe, trl_nom_cfg, sizeof(trl_nom_cfg));
483 mt352_write(fe, tps_given_cfg, sizeof(tps_given_cfg));
484 mt352_write(fe, tuner_go, sizeof(tuner_go));
485 return 0;
486 }
487
488 static struct mt352_config terratec_xs_mt352_cfg = {
489 .demod_address = (0x1e >> 1),
490 .no_tuner = 1,
491 .if2 = 45600,
492 .demod_init = em28xx_mt352_terratec_xs_init,
493 };
494
495 static struct tda10023_config em28xx_tda10023_config = {
496 .demod_address = 0x0c,
497 .invert = 1,
498 };
499
500 static struct cxd2820r_config em28xx_cxd2820r_config = {
501 .i2c_address = (0xd8 >> 1),
502 .ts_mode = CXD2820R_TS_SERIAL,
503 .if_dvbt_6 = 3300,
504 .if_dvbt_7 = 3500,
505 .if_dvbt_8 = 4000,
506 .if_dvbt2_6 = 3300,
507 .if_dvbt2_7 = 3500,
508 .if_dvbt2_8 = 4000,
509 .if_dvbc = 5000,
510
511 /* enable LNA for DVB-T2 and DVB-C */
512 .gpio_dvbt2[0] = CXD2820R_GPIO_E | CXD2820R_GPIO_O | CXD2820R_GPIO_L,
513 .gpio_dvbc[0] = CXD2820R_GPIO_E | CXD2820R_GPIO_O | CXD2820R_GPIO_L,
514 };
515
516 static struct tda18271_config em28xx_cxd2820r_tda18271_config = {
517 .output_opt = TDA18271_OUTPUT_LT_OFF,
518 .gate = TDA18271_GATE_DIGITAL,
519 };
520
521 static const struct tda10071_config em28xx_tda10071_config = {
522 .i2c_address = 0x55, /* (0xaa >> 1) */
523 .i2c_wr_max = 64,
524 .ts_mode = TDA10071_TS_SERIAL,
525 .spec_inv = 0,
526 .xtal = 40444000, /* 40.444 MHz */
527 .pll_multiplier = 20,
528 };
529
530 static const struct a8293_config em28xx_a8293_config = {
531 .i2c_addr = 0x08, /* (0x10 >> 1) */
532 };
533
534 /* ------------------------------------------------------------------ */
535
536 static int em28xx_attach_xc3028(u8 addr, struct em28xx *dev)
537 {
538 struct dvb_frontend *fe;
539 struct xc2028_config cfg;
540
541 memset(&cfg, 0, sizeof(cfg));
542 cfg.i2c_adap = &dev->i2c_adap;
543 cfg.i2c_addr = addr;
544
545 if (!dev->dvb->fe[0]) {
546 em28xx_errdev("/2: dvb frontend not attached. "
547 "Can't attach xc3028\n");
548 return -EINVAL;
549 }
550
551 fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg);
552 if (!fe) {
553 em28xx_errdev("/2: xc3028 attach failed\n");
554 dvb_frontend_detach(dev->dvb->fe[0]);
555 dev->dvb->fe[0] = NULL;
556 return -EINVAL;
557 }
558
559 em28xx_info("%s/2: xc3028 attached\n", dev->name);
560
561 return 0;
562 }
563
564 /* ------------------------------------------------------------------ */
565
566 static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
567 struct em28xx *dev, struct device *device)
568 {
569 int result;
570
571 mutex_init(&dvb->lock);
572
573 /* register adapter */
574 result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,
575 adapter_nr);
576 if (result < 0) {
577 printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n",
578 dev->name, result);
579 goto fail_adapter;
580 }
581
582 /* Ensure all frontends negotiate bus access */
583 dvb->fe[0]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
584 if (dvb->fe[1])
585 dvb->fe[1]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
586
587 dvb->adapter.priv = dev;
588
589 /* register frontend */
590 result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]);
591 if (result < 0) {
592 printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n",
593 dev->name, result);
594 goto fail_frontend0;
595 }
596
597 /* register 2nd frontend */
598 if (dvb->fe[1]) {
599 result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]);
600 if (result < 0) {
601 printk(KERN_WARNING "%s: 2nd dvb_register_frontend failed (errno = %d)\n",
602 dev->name, result);
603 goto fail_frontend1;
604 }
605 }
606
607 /* register demux stuff */
608 dvb->demux.dmx.capabilities =
609 DMX_TS_FILTERING | DMX_SECTION_FILTERING |
610 DMX_MEMORY_BASED_FILTERING;
611 dvb->demux.priv = dvb;
612 dvb->demux.filternum = 256;
613 dvb->demux.feednum = 256;
614 dvb->demux.start_feed = em28xx_start_feed;
615 dvb->demux.stop_feed = em28xx_stop_feed;
616
617 result = dvb_dmx_init(&dvb->demux);
618 if (result < 0) {
619 printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n",
620 dev->name, result);
621 goto fail_dmx;
622 }
623
624 dvb->dmxdev.filternum = 256;
625 dvb->dmxdev.demux = &dvb->demux.dmx;
626 dvb->dmxdev.capabilities = 0;
627 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
628 if (result < 0) {
629 printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n",
630 dev->name, result);
631 goto fail_dmxdev;
632 }
633
634 dvb->fe_hw.source = DMX_FRONTEND_0;
635 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
636 if (result < 0) {
637 printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
638 dev->name, result);
639 goto fail_fe_hw;
640 }
641
642 dvb->fe_mem.source = DMX_MEMORY_FE;
643 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
644 if (result < 0) {
645 printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
646 dev->name, result);
647 goto fail_fe_mem;
648 }
649
650 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
651 if (result < 0) {
652 printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n",
653 dev->name, result);
654 goto fail_fe_conn;
655 }
656
657 /* register network adapter */
658 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
659 return 0;
660
661 fail_fe_conn:
662 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
663 fail_fe_mem:
664 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
665 fail_fe_hw:
666 dvb_dmxdev_release(&dvb->dmxdev);
667 fail_dmxdev:
668 dvb_dmx_release(&dvb->demux);
669 fail_dmx:
670 if (dvb->fe[1])
671 dvb_unregister_frontend(dvb->fe[1]);
672 dvb_unregister_frontend(dvb->fe[0]);
673 fail_frontend1:
674 if (dvb->fe[1])
675 dvb_frontend_detach(dvb->fe[1]);
676 fail_frontend0:
677 dvb_frontend_detach(dvb->fe[0]);
678 dvb_unregister_adapter(&dvb->adapter);
679 fail_adapter:
680 return result;
681 }
682
683 static void em28xx_unregister_dvb(struct em28xx_dvb *dvb)
684 {
685 dvb_net_release(&dvb->net);
686 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
687 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
688 dvb_dmxdev_release(&dvb->dmxdev);
689 dvb_dmx_release(&dvb->demux);
690 if (dvb->fe[1])
691 dvb_unregister_frontend(dvb->fe[1]);
692 dvb_unregister_frontend(dvb->fe[0]);
693 if (dvb->fe[1] && !dvb->dont_attach_fe1)
694 dvb_frontend_detach(dvb->fe[1]);
695 dvb_frontend_detach(dvb->fe[0]);
696 dvb_unregister_adapter(&dvb->adapter);
697 }
698
699 static int em28xx_dvb_init(struct em28xx *dev)
700 {
701 int result = 0, mfe_shared = 0;
702 struct em28xx_dvb *dvb;
703
704 if (!dev->board.has_dvb) {
705 /* This device does not support the extension */
706 printk(KERN_INFO "em28xx_dvb: This device does not support the extension\n");
707 return 0;
708 }
709
710 dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL);
711
712 if (dvb == NULL) {
713 em28xx_info("em28xx_dvb: memory allocation failed\n");
714 return -ENOMEM;
715 }
716 dev->dvb = dvb;
717 dvb->fe[0] = dvb->fe[1] = NULL;
718
719 mutex_lock(&dev->lock);
720 em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
721 /* init frontend */
722 switch (dev->model) {
723 case EM2874_BOARD_LEADERSHIP_ISDBT:
724 dvb->fe[0] = dvb_attach(s921_attach,
725 &sharp_isdbt, &dev->i2c_adap);
726
727 if (!dvb->fe[0]) {
728 result = -EINVAL;
729 goto out_free;
730 }
731
732 break;
733 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850:
734 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950:
735 case EM2880_BOARD_PINNACLE_PCTV_HD_PRO:
736 case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600:
737 dvb->fe[0] = dvb_attach(lgdt330x_attach,
738 &em2880_lgdt3303_dev,
739 &dev->i2c_adap);
740 if (em28xx_attach_xc3028(0x61, dev) < 0) {
741 result = -EINVAL;
742 goto out_free;
743 }
744 break;
745 case EM2880_BOARD_KWORLD_DVB_310U:
746 dvb->fe[0] = dvb_attach(zl10353_attach,
747 &em28xx_zl10353_with_xc3028,
748 &dev->i2c_adap);
749 if (em28xx_attach_xc3028(0x61, dev) < 0) {
750 result = -EINVAL;
751 goto out_free;
752 }
753 break;
754 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
755 case EM2882_BOARD_TERRATEC_HYBRID_XS:
756 case EM2880_BOARD_EMPIRE_DUAL_TV:
757 dvb->fe[0] = dvb_attach(zl10353_attach,
758 &em28xx_zl10353_xc3028_no_i2c_gate,
759 &dev->i2c_adap);
760 if (em28xx_attach_xc3028(0x61, dev) < 0) {
761 result = -EINVAL;
762 goto out_free;
763 }
764 break;
765 case EM2880_BOARD_TERRATEC_HYBRID_XS:
766 case EM2880_BOARD_TERRATEC_HYBRID_XS_FR:
767 case EM2881_BOARD_PINNACLE_HYBRID_PRO:
768 case EM2882_BOARD_DIKOM_DK300:
769 case EM2882_BOARD_KWORLD_VS_DVBT:
770 dvb->fe[0] = dvb_attach(zl10353_attach,
771 &em28xx_zl10353_xc3028_no_i2c_gate,
772 &dev->i2c_adap);
773 if (dvb->fe[0] == NULL) {
774 /* This board could have either a zl10353 or a mt352.
775 If the chip id isn't for zl10353, try mt352 */
776 dvb->fe[0] = dvb_attach(mt352_attach,
777 &terratec_xs_mt352_cfg,
778 &dev->i2c_adap);
779 }
780
781 if (em28xx_attach_xc3028(0x61, dev) < 0) {
782 result = -EINVAL;
783 goto out_free;
784 }
785 break;
786 case EM2883_BOARD_KWORLD_HYBRID_330U:
787 case EM2882_BOARD_EVGA_INDTUBE:
788 dvb->fe[0] = dvb_attach(s5h1409_attach,
789 &em28xx_s5h1409_with_xc3028,
790 &dev->i2c_adap);
791 if (em28xx_attach_xc3028(0x61, dev) < 0) {
792 result = -EINVAL;
793 goto out_free;
794 }
795 break;
796 case EM2882_BOARD_KWORLD_ATSC_315U:
797 dvb->fe[0] = dvb_attach(lgdt330x_attach,
798 &em2880_lgdt3303_dev,
799 &dev->i2c_adap);
800 if (dvb->fe[0] != NULL) {
801 if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
802 &dev->i2c_adap, 0x61, TUNER_THOMSON_DTT761X)) {
803 result = -EINVAL;
804 goto out_free;
805 }
806 }
807 break;
808 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2:
809 case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E:
810 dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL,
811 &dev->i2c_adap, &dev->udev->dev);
812 if (em28xx_attach_xc3028(0x61, dev) < 0) {
813 result = -EINVAL;
814 goto out_free;
815 }
816 break;
817 case EM2870_BOARD_REDDO_DVB_C_USB_BOX:
818 /* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */
819 dvb->fe[0] = dvb_attach(tda10023_attach,
820 &em28xx_tda10023_config,
821 &dev->i2c_adap, 0x48);
822 if (dvb->fe[0]) {
823 if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
824 &dev->i2c_adap, 0x60, TUNER_PHILIPS_CU1216L)) {
825 result = -EINVAL;
826 goto out_free;
827 }
828 }
829 break;
830 case EM2870_BOARD_KWORLD_A340:
831 dvb->fe[0] = dvb_attach(lgdt3305_attach,
832 &em2870_lgdt3304_dev,
833 &dev->i2c_adap);
834 if (dvb->fe[0] != NULL)
835 dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
836 &dev->i2c_adap, &kworld_a340_config);
837 break;
838 case EM28174_BOARD_PCTV_290E:
839 /* MFE
840 * FE 0 = DVB-T/T2 + FE 1 = DVB-C, both sharing same tuner. */
841 /* FE 0 */
842 dvb->fe[0] = dvb_attach(cxd2820r_attach,
843 &em28xx_cxd2820r_config, &dev->i2c_adap, NULL);
844 if (dvb->fe[0]) {
845 /* FE 0 attach tuner */
846 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
847 &dev->i2c_adap, &em28xx_cxd2820r_tda18271_config)) {
848 dvb_frontend_detach(dvb->fe[0]);
849 result = -EINVAL;
850 goto out_free;
851 }
852 /* FE 1. This dvb_attach() cannot fail. */
853 dvb->fe[1] = dvb_attach(cxd2820r_attach, NULL, NULL,
854 dvb->fe[0]);
855 dvb->fe[1]->id = 1;
856 /* FE 1 attach tuner */
857 if (!dvb_attach(tda18271_attach, dvb->fe[1], 0x60,
858 &dev->i2c_adap, &em28xx_cxd2820r_tda18271_config)) {
859 dvb_frontend_detach(dvb->fe[1]);
860 /* leave FE 0 still active */
861 }
862
863 mfe_shared = 1;
864 }
865 break;
866 case EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C:
867 hauppauge_hvr930c_init(dev);
868
869 dvb->dont_attach_fe1 = 1;
870
871 dvb->fe[0] = dvb_attach(drxk_attach,
872 &hauppauge_930c_drxk, &dev->i2c_adap,
873 &dvb->fe[1]);
874 if (!dvb->fe[0]) {
875 result = -EINVAL;
876 goto out_free;
877 }
878 /* FIXME: do we need a pll semaphore? */
879 dvb->fe[0]->sec_priv = dvb;
880 sema_init(&dvb->pll_mutex, 1);
881 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
882 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
883 dvb->fe[1]->id = 1;
884
885 /* Attach xc5000 */
886 struct xc5000_config cfg;
887 memset(&cfg, 0, sizeof(cfg));
888 cfg.i2c_address = 0x61;
889 cfg.if_khz = 4000;
890
891 if (dvb->fe[0]->ops.i2c_gate_ctrl)
892 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
893 if (!dvb_attach(xc5000_attach, dvb->fe[0], &dev->i2c_adap,
894 &cfg)) {
895 result = -EINVAL;
896 goto out_free;
897 }
898
899 if (dvb->fe[0]->ops.i2c_gate_ctrl)
900 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
901
902 /* Hack - needed by drxk/tda18271c2dd */
903 dvb->fe[1]->tuner_priv = dvb->fe[0]->tuner_priv;
904 memcpy(&dvb->fe[1]->ops.tuner_ops,
905 &dvb->fe[0]->ops.tuner_ops,
906 sizeof(dvb->fe[0]->ops.tuner_ops));
907
908 break;
909 case EM2884_BOARD_TERRATEC_H5:
910 terratec_h5_init(dev);
911
912 dvb->dont_attach_fe1 = 1;
913
914 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, &dev->i2c_adap, &dvb->fe[1]);
915 if (!dvb->fe[0]) {
916 result = -EINVAL;
917 goto out_free;
918 }
919 /* FIXME: do we need a pll semaphore? */
920 dvb->fe[0]->sec_priv = dvb;
921 sema_init(&dvb->pll_mutex, 1);
922 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
923 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
924 dvb->fe[1]->id = 1;
925
926 /* Attach tda18271 to DVB-C frontend */
927 if (dvb->fe[0]->ops.i2c_gate_ctrl)
928 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
929 if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], &dev->i2c_adap, 0x60)) {
930 result = -EINVAL;
931 goto out_free;
932 }
933 if (dvb->fe[0]->ops.i2c_gate_ctrl)
934 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
935
936 /* Hack - needed by drxk/tda18271c2dd */
937 dvb->fe[1]->tuner_priv = dvb->fe[0]->tuner_priv;
938 memcpy(&dvb->fe[1]->ops.tuner_ops,
939 &dvb->fe[0]->ops.tuner_ops,
940 sizeof(dvb->fe[0]->ops.tuner_ops));
941
942 break;
943 case EM28174_BOARD_PCTV_460E:
944 /* attach demod */
945 dvb->fe[0] = dvb_attach(tda10071_attach,
946 &em28xx_tda10071_config, &dev->i2c_adap);
947
948 /* attach SEC */
949 if (dvb->fe[0])
950 dvb_attach(a8293_attach, dvb->fe[0], &dev->i2c_adap,
951 &em28xx_a8293_config);
952 break;
953 default:
954 em28xx_errdev("/2: The frontend of your DVB/ATSC card"
955 " isn't supported yet\n");
956 break;
957 }
958 if (NULL == dvb->fe[0]) {
959 em28xx_errdev("/2: frontend initialization failed\n");
960 result = -EINVAL;
961 goto out_free;
962 }
963 /* define general-purpose callback pointer */
964 dvb->fe[0]->callback = em28xx_tuner_callback;
965 if (dvb->fe[1])
966 dvb->fe[1]->callback = em28xx_tuner_callback;
967
968 /* register everything */
969 result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
970
971 if (result < 0)
972 goto out_free;
973
974 /* MFE lock */
975 dvb->adapter.mfe_shared = mfe_shared;
976
977 em28xx_info("Successfully loaded em28xx-dvb\n");
978 ret:
979 em28xx_set_mode(dev, EM28XX_SUSPEND);
980 mutex_unlock(&dev->lock);
981 return result;
982
983 out_free:
984 kfree(dvb);
985 dev->dvb = NULL;
986 goto ret;
987 }
988
989 static inline void prevent_sleep(struct dvb_frontend_ops *ops)
990 {
991 ops->set_voltage = NULL;
992 ops->sleep = NULL;
993 ops->tuner_ops.sleep = NULL;
994 }
995
996 static int em28xx_dvb_fini(struct em28xx *dev)
997 {
998 if (!dev->board.has_dvb) {
999 /* This device does not support the extension */
1000 return 0;
1001 }
1002
1003 if (dev->dvb) {
1004 struct em28xx_dvb *dvb = dev->dvb;
1005
1006 if (dev->state & DEV_DISCONNECTED) {
1007 /* We cannot tell the device to sleep
1008 * once it has been unplugged. */
1009 if (dvb->fe[0])
1010 prevent_sleep(&dvb->fe[0]->ops);
1011 if (dvb->fe[1])
1012 prevent_sleep(&dvb->fe[1]->ops);
1013 }
1014
1015 em28xx_unregister_dvb(dvb);
1016 kfree(dvb);
1017 dev->dvb = NULL;
1018 }
1019
1020 return 0;
1021 }
1022
1023 static struct em28xx_ops dvb_ops = {
1024 .id = EM28XX_DVB,
1025 .name = "Em28xx dvb Extension",
1026 .init = em28xx_dvb_init,
1027 .fini = em28xx_dvb_fini,
1028 };
1029
1030 static int __init em28xx_dvb_register(void)
1031 {
1032 return em28xx_register_extension(&dvb_ops);
1033 }
1034
1035 static void __exit em28xx_dvb_unregister(void)
1036 {
1037 em28xx_unregister_extension(&dvb_ops);
1038 }
1039
1040 module_init(em28xx_dvb_register);
1041 module_exit(em28xx_dvb_unregister);
Linux kernel - Deliverables
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