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Diffstat (limited to 'drivers/media/usb/em28xx/em28xx-dvb.c')
-rw-r--r--drivers/media/usb/em28xx/em28xx-dvb.c1197
1 files changed, 1197 insertions, 0 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c
new file mode 100644
index 000000000000..a16531fa937a
--- /dev/null
+++ b/drivers/media/usb/em28xx/em28xx-dvb.c
@@ -0,0 +1,1197 @@
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#include "qt1010.h"
48
49MODULE_DESCRIPTION("driver for em28xx based DVB cards");
50MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
51MODULE_LICENSE("GPL");
52
53static unsigned int debug;
54module_param(debug, int, 0644);
55MODULE_PARM_DESC(debug, "enable debug messages [dvb]");
56
57DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
58
59#define dprintk(level, fmt, arg...) do { \
60if (debug >= level) \
61 printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \
62} while (0)
63
64struct em28xx_dvb {
65 struct dvb_frontend *fe[2];
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;
78
79 /* Due to DRX-K - probably need changes */
80 int (*gate_ctrl)(struct dvb_frontend *, int);
81 struct semaphore pll_mutex;
82 bool dont_attach_fe1;
83};
84
85
86static inline void print_err_status(struct em28xx *dev,
87 int packet, int status)
88{
89 char *errmsg = "Unknown";
90
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 {
120 dprintk(1, "URB packet %d, status %d [%s].\n",
121 packet, status, errmsg);
122 }
123}
124
125static inline int em28xx_dvb_isoc_copy(struct em28xx *dev, struct urb *urb)
126{
127 int i;
128
129 if (!dev)
130 return 0;
131
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
158static int em28xx_start_streaming(struct em28xx_dvb *dvb)
159{
160 int rc;
161 struct em28xx *dev = dvb->adapter.priv;
162 int max_dvb_packet_size;
163
164 usb_set_interface(dev->udev, 0, dev->dvb_alt);
165 rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
166 if (rc < 0)
167 return rc;
168
169 max_dvb_packet_size = dev->dvb_max_pkt_size;
170 if (max_dvb_packet_size < 0)
171 return max_dvb_packet_size;
172 dprintk(1, "Using %d buffers each with %d x %d bytes\n",
173 EM28XX_DVB_NUM_BUFS,
174 EM28XX_DVB_MAX_PACKETS,
175 max_dvb_packet_size);
176
177 return em28xx_init_isoc(dev, EM28XX_DIGITAL_MODE,
178 EM28XX_DVB_MAX_PACKETS, EM28XX_DVB_NUM_BUFS,
179 max_dvb_packet_size, em28xx_dvb_isoc_copy);
180}
181
182static int em28xx_stop_streaming(struct em28xx_dvb *dvb)
183{
184 struct em28xx *dev = dvb->adapter.priv;
185
186 em28xx_stop_urbs(dev);
187
188 em28xx_set_mode(dev, EM28XX_SUSPEND);
189
190 return 0;
191}
192
193static int em28xx_start_feed(struct dvb_demux_feed *feed)
194{
195 struct dvb_demux *demux = feed->demux;
196 struct em28xx_dvb *dvb = demux->priv;
197 int rc, ret;
198
199 if (!demux->dmx.frontend)
200 return -EINVAL;
201
202 mutex_lock(&dvb->lock);
203 dvb->nfeeds++;
204 rc = dvb->nfeeds;
205
206 if (dvb->nfeeds == 1) {
207 ret = em28xx_start_streaming(dvb);
208 if (ret < 0)
209 rc = ret;
210 }
211
212 mutex_unlock(&dvb->lock);
213 return rc;
214}
215
216static int em28xx_stop_feed(struct dvb_demux_feed *feed)
217{
218 struct dvb_demux *demux = feed->demux;
219 struct em28xx_dvb *dvb = demux->priv;
220 int err = 0;
221
222 mutex_lock(&dvb->lock);
223 dvb->nfeeds--;
224
225 if (0 == dvb->nfeeds)
226 err = em28xx_stop_streaming(dvb);
227
228 mutex_unlock(&dvb->lock);
229 return err;
230}
231
232
233
234/* ------------------------------------------------------------------ */
235static int em28xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
236{
237 struct em28xx *dev = fe->dvb->priv;
238
239 if (acquire)
240 return em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
241 else
242 return em28xx_set_mode(dev, EM28XX_SUSPEND);
243}
244
245/* ------------------------------------------------------------------ */
246
247static struct lgdt330x_config em2880_lgdt3303_dev = {
248 .demod_address = 0x0e,
249 .demod_chip = LGDT3303,
250};
251
252static struct lgdt3305_config em2870_lgdt3304_dev = {
253 .i2c_addr = 0x0e,
254 .demod_chip = LGDT3304,
255 .spectral_inversion = 1,
256 .deny_i2c_rptr = 1,
257 .mpeg_mode = LGDT3305_MPEG_PARALLEL,
258 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
259 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
260 .vsb_if_khz = 3250,
261 .qam_if_khz = 4000,
262};
263
264static struct s921_config sharp_isdbt = {
265 .demod_address = 0x30 >> 1
266};
267
268static struct zl10353_config em28xx_zl10353_with_xc3028 = {
269 .demod_address = (0x1e >> 1),
270 .no_tuner = 1,
271 .parallel_ts = 1,
272 .if2 = 45600,
273};
274
275static struct s5h1409_config em28xx_s5h1409_with_xc3028 = {
276 .demod_address = 0x32 >> 1,
277 .output_mode = S5H1409_PARALLEL_OUTPUT,
278 .gpio = S5H1409_GPIO_OFF,
279 .inversion = S5H1409_INVERSION_OFF,
280 .status_mode = S5H1409_DEMODLOCKING,
281 .mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK
282};
283
284static struct tda18271_std_map kworld_a340_std_map = {
285 .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 0,
286 .if_lvl = 1, .rfagc_top = 0x37, },
287 .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 1,
288 .if_lvl = 1, .rfagc_top = 0x37, },
289};
290
291static struct tda18271_config kworld_a340_config = {
292 .std_map = &kworld_a340_std_map,
293};
294
295static struct zl10353_config em28xx_zl10353_xc3028_no_i2c_gate = {
296 .demod_address = (0x1e >> 1),
297 .no_tuner = 1,
298 .disable_i2c_gate_ctrl = 1,
299 .parallel_ts = 1,
300 .if2 = 45600,
301};
302
303static struct drxd_config em28xx_drxd = {
304 .demod_address = 0x70,
305 .demod_revision = 0xa2,
306 .pll_type = DRXD_PLL_NONE,
307 .clock = 12000,
308 .insert_rs_byte = 1,
309 .IF = 42800000,
310 .disable_i2c_gate_ctrl = 1,
311};
312
313static struct drxk_config terratec_h5_drxk = {
314 .adr = 0x29,
315 .single_master = 1,
316 .no_i2c_bridge = 1,
317 .microcode_name = "dvb-usb-terratec-h5-drxk.fw",
318 .qam_demod_parameter_count = 2,
319};
320
321static struct drxk_config hauppauge_930c_drxk = {
322 .adr = 0x29,
323 .single_master = 1,
324 .no_i2c_bridge = 1,
325 .microcode_name = "dvb-usb-hauppauge-hvr930c-drxk.fw",
326 .chunk_size = 56,
327 .qam_demod_parameter_count = 2,
328};
329
330struct drxk_config terratec_htc_stick_drxk = {
331 .adr = 0x29,
332 .single_master = 1,
333 .no_i2c_bridge = 1,
334 .microcode_name = "dvb-usb-terratec-htc-stick-drxk.fw",
335 .chunk_size = 54,
336 .qam_demod_parameter_count = 2,
337 /* Required for the antenna_gpio to disable LNA. */
338 .antenna_dvbt = true,
339 /* The windows driver uses the same. This will disable LNA. */
340 .antenna_gpio = 0x6,
341};
342
343static struct drxk_config maxmedia_ub425_tc_drxk = {
344 .adr = 0x29,
345 .single_master = 1,
346 .no_i2c_bridge = 1,
347};
348
349static struct drxk_config pctv_520e_drxk = {
350 .adr = 0x29,
351 .single_master = 1,
352 .microcode_name = "dvb-demod-drxk-pctv.fw",
353 .qam_demod_parameter_count = 2,
354 .chunk_size = 58,
355 .antenna_dvbt = true, /* disable LNA */
356 .antenna_gpio = (1 << 2), /* disable LNA */
357};
358
359static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
360{
361 struct em28xx_dvb *dvb = fe->sec_priv;
362 int status;
363
364 if (!dvb)
365 return -EINVAL;
366
367 if (enable) {
368 down(&dvb->pll_mutex);
369 status = dvb->gate_ctrl(fe, 1);
370 } else {
371 status = dvb->gate_ctrl(fe, 0);
372 up(&dvb->pll_mutex);
373 }
374 return status;
375}
376
377static void hauppauge_hvr930c_init(struct em28xx *dev)
378{
379 int i;
380
381 struct em28xx_reg_seq hauppauge_hvr930c_init[] = {
382 {EM2874_R80_GPIO, 0xff, 0xff, 0x65},
383 {EM2874_R80_GPIO, 0xfb, 0xff, 0x32},
384 {EM2874_R80_GPIO, 0xff, 0xff, 0xb8},
385 { -1, -1, -1, -1},
386 };
387 struct em28xx_reg_seq hauppauge_hvr930c_end[] = {
388 {EM2874_R80_GPIO, 0xef, 0xff, 0x01},
389 {EM2874_R80_GPIO, 0xaf, 0xff, 0x65},
390 {EM2874_R80_GPIO, 0xef, 0xff, 0x76},
391 {EM2874_R80_GPIO, 0xef, 0xff, 0x01},
392 {EM2874_R80_GPIO, 0xcf, 0xff, 0x0b},
393 {EM2874_R80_GPIO, 0xef, 0xff, 0x40},
394
395 {EM2874_R80_GPIO, 0xcf, 0xff, 0x65},
396 {EM2874_R80_GPIO, 0xef, 0xff, 0x65},
397 {EM2874_R80_GPIO, 0xcf, 0xff, 0x0b},
398 {EM2874_R80_GPIO, 0xef, 0xff, 0x65},
399
400 { -1, -1, -1, -1},
401 };
402
403 struct {
404 unsigned char r[4];
405 int len;
406 } regs[] = {
407 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
408 {{ 0x01, 0x02 }, 2},
409 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
410 {{ 0x01, 0x00 }, 2},
411 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
412 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
413 {{ 0x01, 0x00 }, 2},
414 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
415 {{ 0x04, 0x00 }, 2},
416 {{ 0x00, 0x04 }, 2},
417 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
418 {{ 0x04, 0x14 }, 2},
419 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
420 };
421
422 em28xx_gpio_set(dev, hauppauge_hvr930c_init);
423 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
424 msleep(10);
425 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
426 msleep(10);
427
428 dev->i2c_client.addr = 0x82 >> 1;
429
430 for (i = 0; i < ARRAY_SIZE(regs); i++)
431 i2c_master_send(&dev->i2c_client, regs[i].r, regs[i].len);
432 em28xx_gpio_set(dev, hauppauge_hvr930c_end);
433
434 msleep(100);
435
436 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
437 msleep(30);
438
439 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
440 msleep(10);
441
442}
443
444static void terratec_h5_init(struct em28xx *dev)
445{
446 int i;
447 struct em28xx_reg_seq terratec_h5_init[] = {
448 {EM28XX_R08_GPIO, 0xff, 0xff, 10},
449 {EM2874_R80_GPIO, 0xf6, 0xff, 100},
450 {EM2874_R80_GPIO, 0xf2, 0xff, 50},
451 {EM2874_R80_GPIO, 0xf6, 0xff, 100},
452 { -1, -1, -1, -1},
453 };
454 struct em28xx_reg_seq terratec_h5_end[] = {
455 {EM2874_R80_GPIO, 0xe6, 0xff, 100},
456 {EM2874_R80_GPIO, 0xa6, 0xff, 50},
457 {EM2874_R80_GPIO, 0xe6, 0xff, 100},
458 { -1, -1, -1, -1},
459 };
460 struct {
461 unsigned char r[4];
462 int len;
463 } regs[] = {
464 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
465 {{ 0x01, 0x02 }, 2},
466 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
467 {{ 0x01, 0x00 }, 2},
468 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
469 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
470 {{ 0x01, 0x00 }, 2},
471 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
472 {{ 0x04, 0x00 }, 2},
473 {{ 0x00, 0x04 }, 2},
474 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
475 {{ 0x04, 0x14 }, 2},
476 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
477 };
478
479 em28xx_gpio_set(dev, terratec_h5_init);
480 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
481 msleep(10);
482 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
483 msleep(10);
484
485 dev->i2c_client.addr = 0x82 >> 1;
486
487 for (i = 0; i < ARRAY_SIZE(regs); i++)
488 i2c_master_send(&dev->i2c_client, regs[i].r, regs[i].len);
489 em28xx_gpio_set(dev, terratec_h5_end);
490};
491
492static void terratec_htc_stick_init(struct em28xx *dev)
493{
494 int i;
495
496 /*
497 * GPIO configuration:
498 * 0xff: unknown (does not affect DVB-T).
499 * 0xf6: DRX-K (demodulator).
500 * 0xe6: unknown (does not affect DVB-T).
501 * 0xb6: unknown (does not affect DVB-T).
502 */
503 struct em28xx_reg_seq terratec_htc_stick_init[] = {
504 {EM28XX_R08_GPIO, 0xff, 0xff, 10},
505 {EM2874_R80_GPIO, 0xf6, 0xff, 100},
506 {EM2874_R80_GPIO, 0xe6, 0xff, 50},
507 {EM2874_R80_GPIO, 0xf6, 0xff, 100},
508 { -1, -1, -1, -1},
509 };
510 struct em28xx_reg_seq terratec_htc_stick_end[] = {
511 {EM2874_R80_GPIO, 0xb6, 0xff, 100},
512 {EM2874_R80_GPIO, 0xf6, 0xff, 50},
513 { -1, -1, -1, -1},
514 };
515
516 /* Init the analog decoder? */
517 struct {
518 unsigned char r[4];
519 int len;
520 } regs[] = {
521 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
522 {{ 0x01, 0x02 }, 2},
523 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
524 {{ 0x01, 0x00 }, 2},
525 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
526 };
527
528 em28xx_gpio_set(dev, terratec_htc_stick_init);
529
530 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
531 msleep(10);
532 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
533 msleep(10);
534
535 dev->i2c_client.addr = 0x82 >> 1;
536
537 for (i = 0; i < ARRAY_SIZE(regs); i++)
538 i2c_master_send(&dev->i2c_client, regs[i].r, regs[i].len);
539
540 em28xx_gpio_set(dev, terratec_htc_stick_end);
541};
542
543static void pctv_520e_init(struct em28xx *dev)
544{
545 /*
546 * Init AVF4910B analog decoder. Looks like I2C traffic to
547 * digital demodulator and tuner are routed via AVF4910B.
548 */
549 int i;
550 struct {
551 unsigned char r[4];
552 int len;
553 } regs[] = {
554 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
555 {{ 0x01, 0x02 }, 2},
556 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
557 {{ 0x01, 0x00 }, 2},
558 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
559 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
560 {{ 0x01, 0x00 }, 2},
561 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
562 };
563
564 dev->i2c_client.addr = 0x82 >> 1; /* 0x41 */
565
566 for (i = 0; i < ARRAY_SIZE(regs); i++)
567 i2c_master_send(&dev->i2c_client, regs[i].r, regs[i].len);
568};
569
570static int em28xx_mt352_terratec_xs_init(struct dvb_frontend *fe)
571{
572 /* Values extracted from a USB trace of the Terratec Windows driver */
573 static u8 clock_config[] = { CLOCK_CTL, 0x38, 0x2c };
574 static u8 reset[] = { RESET, 0x80 };
575 static u8 adc_ctl_1_cfg[] = { ADC_CTL_1, 0x40 };
576 static u8 agc_cfg[] = { AGC_TARGET, 0x28, 0xa0 };
577 static u8 input_freq_cfg[] = { INPUT_FREQ_1, 0x31, 0xb8 };
578 static u8 rs_err_cfg[] = { RS_ERR_PER_1, 0x00, 0x4d };
579 static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
580 static u8 trl_nom_cfg[] = { TRL_NOMINAL_RATE_1, 0x64, 0x00 };
581 static u8 tps_given_cfg[] = { TPS_GIVEN_1, 0x40, 0x80, 0x50 };
582 static u8 tuner_go[] = { TUNER_GO, 0x01};
583
584 mt352_write(fe, clock_config, sizeof(clock_config));
585 udelay(200);
586 mt352_write(fe, reset, sizeof(reset));
587 mt352_write(fe, adc_ctl_1_cfg, sizeof(adc_ctl_1_cfg));
588 mt352_write(fe, agc_cfg, sizeof(agc_cfg));
589 mt352_write(fe, input_freq_cfg, sizeof(input_freq_cfg));
590 mt352_write(fe, rs_err_cfg, sizeof(rs_err_cfg));
591 mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
592 mt352_write(fe, trl_nom_cfg, sizeof(trl_nom_cfg));
593 mt352_write(fe, tps_given_cfg, sizeof(tps_given_cfg));
594 mt352_write(fe, tuner_go, sizeof(tuner_go));
595 return 0;
596}
597
598static struct mt352_config terratec_xs_mt352_cfg = {
599 .demod_address = (0x1e >> 1),
600 .no_tuner = 1,
601 .if2 = 45600,
602 .demod_init = em28xx_mt352_terratec_xs_init,
603};
604
605static struct tda10023_config em28xx_tda10023_config = {
606 .demod_address = 0x0c,
607 .invert = 1,
608};
609
610static struct cxd2820r_config em28xx_cxd2820r_config = {
611 .i2c_address = (0xd8 >> 1),
612 .ts_mode = CXD2820R_TS_SERIAL,
613
614 /* enable LNA for DVB-T, DVB-T2 and DVB-C */
615 .gpio_dvbt[0] = CXD2820R_GPIO_E | CXD2820R_GPIO_O | CXD2820R_GPIO_L,
616 .gpio_dvbt2[0] = CXD2820R_GPIO_E | CXD2820R_GPIO_O | CXD2820R_GPIO_L,
617 .gpio_dvbc[0] = CXD2820R_GPIO_E | CXD2820R_GPIO_O | CXD2820R_GPIO_L,
618};
619
620static struct tda18271_config em28xx_cxd2820r_tda18271_config = {
621 .output_opt = TDA18271_OUTPUT_LT_OFF,
622 .gate = TDA18271_GATE_DIGITAL,
623};
624
625static const struct tda10071_config em28xx_tda10071_config = {
626 .i2c_address = 0x55, /* (0xaa >> 1) */
627 .i2c_wr_max = 64,
628 .ts_mode = TDA10071_TS_SERIAL,
629 .spec_inv = 0,
630 .xtal = 40444000, /* 40.444 MHz */
631 .pll_multiplier = 20,
632};
633
634static const struct a8293_config em28xx_a8293_config = {
635 .i2c_addr = 0x08, /* (0x10 >> 1) */
636};
637
638static struct zl10353_config em28xx_zl10353_no_i2c_gate_dev = {
639 .demod_address = (0x1e >> 1),
640 .disable_i2c_gate_ctrl = 1,
641 .no_tuner = 1,
642 .parallel_ts = 1,
643};
644static struct qt1010_config em28xx_qt1010_config = {
645 .i2c_address = 0x62
646
647};
648
649/* ------------------------------------------------------------------ */
650
651static int em28xx_attach_xc3028(u8 addr, struct em28xx *dev)
652{
653 struct dvb_frontend *fe;
654 struct xc2028_config cfg;
655
656 memset(&cfg, 0, sizeof(cfg));
657 cfg.i2c_adap = &dev->i2c_adap;
658 cfg.i2c_addr = addr;
659
660 if (!dev->dvb->fe[0]) {
661 em28xx_errdev("/2: dvb frontend not attached. "
662 "Can't attach xc3028\n");
663 return -EINVAL;
664 }
665
666 fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg);
667 if (!fe) {
668 em28xx_errdev("/2: xc3028 attach failed\n");
669 dvb_frontend_detach(dev->dvb->fe[0]);
670 dev->dvb->fe[0] = NULL;
671 return -EINVAL;
672 }
673
674 em28xx_info("%s/2: xc3028 attached\n", dev->name);
675
676 return 0;
677}
678
679/* ------------------------------------------------------------------ */
680
681static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
682 struct em28xx *dev, struct device *device)
683{
684 int result;
685
686 mutex_init(&dvb->lock);
687
688 /* register adapter */
689 result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,
690 adapter_nr);
691 if (result < 0) {
692 printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n",
693 dev->name, result);
694 goto fail_adapter;
695 }
696
697 /* Ensure all frontends negotiate bus access */
698 dvb->fe[0]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
699 if (dvb->fe[1])
700 dvb->fe[1]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
701
702 dvb->adapter.priv = dev;
703
704 /* register frontend */
705 result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]);
706 if (result < 0) {
707 printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n",
708 dev->name, result);
709 goto fail_frontend0;
710 }
711
712 /* register 2nd frontend */
713 if (dvb->fe[1]) {
714 result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]);
715 if (result < 0) {
716 printk(KERN_WARNING "%s: 2nd dvb_register_frontend failed (errno = %d)\n",
717 dev->name, result);
718 goto fail_frontend1;
719 }
720 }
721
722 /* register demux stuff */
723 dvb->demux.dmx.capabilities =
724 DMX_TS_FILTERING | DMX_SECTION_FILTERING |
725 DMX_MEMORY_BASED_FILTERING;
726 dvb->demux.priv = dvb;
727 dvb->demux.filternum = 256;
728 dvb->demux.feednum = 256;
729 dvb->demux.start_feed = em28xx_start_feed;
730 dvb->demux.stop_feed = em28xx_stop_feed;
731
732 result = dvb_dmx_init(&dvb->demux);
733 if (result < 0) {
734 printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n",
735 dev->name, result);
736 goto fail_dmx;
737 }
738
739 dvb->dmxdev.filternum = 256;
740 dvb->dmxdev.demux = &dvb->demux.dmx;
741 dvb->dmxdev.capabilities = 0;
742 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
743 if (result < 0) {
744 printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n",
745 dev->name, result);
746 goto fail_dmxdev;
747 }
748
749 dvb->fe_hw.source = DMX_FRONTEND_0;
750 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
751 if (result < 0) {
752 printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
753 dev->name, result);
754 goto fail_fe_hw;
755 }
756
757 dvb->fe_mem.source = DMX_MEMORY_FE;
758 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
759 if (result < 0) {
760 printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
761 dev->name, result);
762 goto fail_fe_mem;
763 }
764
765 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
766 if (result < 0) {
767 printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n",
768 dev->name, result);
769 goto fail_fe_conn;
770 }
771
772 /* register network adapter */
773 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
774 return 0;
775
776fail_fe_conn:
777 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
778fail_fe_mem:
779 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
780fail_fe_hw:
781 dvb_dmxdev_release(&dvb->dmxdev);
782fail_dmxdev:
783 dvb_dmx_release(&dvb->demux);
784fail_dmx:
785 if (dvb->fe[1])
786 dvb_unregister_frontend(dvb->fe[1]);
787 dvb_unregister_frontend(dvb->fe[0]);
788fail_frontend1:
789 if (dvb->fe[1])
790 dvb_frontend_detach(dvb->fe[1]);
791fail_frontend0:
792 dvb_frontend_detach(dvb->fe[0]);
793 dvb_unregister_adapter(&dvb->adapter);
794fail_adapter:
795 return result;
796}
797
798static void em28xx_unregister_dvb(struct em28xx_dvb *dvb)
799{
800 dvb_net_release(&dvb->net);
801 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
802 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
803 dvb_dmxdev_release(&dvb->dmxdev);
804 dvb_dmx_release(&dvb->demux);
805 if (dvb->fe[1])
806 dvb_unregister_frontend(dvb->fe[1]);
807 dvb_unregister_frontend(dvb->fe[0]);
808 if (dvb->fe[1] && !dvb->dont_attach_fe1)
809 dvb_frontend_detach(dvb->fe[1]);
810 dvb_frontend_detach(dvb->fe[0]);
811 dvb_unregister_adapter(&dvb->adapter);
812}
813
814static int em28xx_dvb_init(struct em28xx *dev)
815{
816 int result = 0, mfe_shared = 0;
817 struct em28xx_dvb *dvb;
818
819 if (!dev->board.has_dvb) {
820 /* This device does not support the extension */
821 printk(KERN_INFO "em28xx_dvb: This device does not support the extension\n");
822 return 0;
823 }
824
825 dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL);
826
827 if (dvb == NULL) {
828 em28xx_info("em28xx_dvb: memory allocation failed\n");
829 return -ENOMEM;
830 }
831 dev->dvb = dvb;
832 dvb->fe[0] = dvb->fe[1] = NULL;
833
834 mutex_lock(&dev->lock);
835 em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
836 /* init frontend */
837 switch (dev->model) {
838 case EM2874_BOARD_LEADERSHIP_ISDBT:
839 dvb->fe[0] = dvb_attach(s921_attach,
840 &sharp_isdbt, &dev->i2c_adap);
841
842 if (!dvb->fe[0]) {
843 result = -EINVAL;
844 goto out_free;
845 }
846
847 break;
848 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850:
849 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950:
850 case EM2880_BOARD_PINNACLE_PCTV_HD_PRO:
851 case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600:
852 dvb->fe[0] = dvb_attach(lgdt330x_attach,
853 &em2880_lgdt3303_dev,
854 &dev->i2c_adap);
855 if (em28xx_attach_xc3028(0x61, dev) < 0) {
856 result = -EINVAL;
857 goto out_free;
858 }
859 break;
860 case EM2880_BOARD_KWORLD_DVB_310U:
861 dvb->fe[0] = dvb_attach(zl10353_attach,
862 &em28xx_zl10353_with_xc3028,
863 &dev->i2c_adap);
864 if (em28xx_attach_xc3028(0x61, dev) < 0) {
865 result = -EINVAL;
866 goto out_free;
867 }
868 break;
869 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
870 case EM2882_BOARD_TERRATEC_HYBRID_XS:
871 case EM2880_BOARD_EMPIRE_DUAL_TV:
872 dvb->fe[0] = dvb_attach(zl10353_attach,
873 &em28xx_zl10353_xc3028_no_i2c_gate,
874 &dev->i2c_adap);
875 if (em28xx_attach_xc3028(0x61, dev) < 0) {
876 result = -EINVAL;
877 goto out_free;
878 }
879 break;
880 case EM2880_BOARD_TERRATEC_HYBRID_XS:
881 case EM2880_BOARD_TERRATEC_HYBRID_XS_FR:
882 case EM2881_BOARD_PINNACLE_HYBRID_PRO:
883 case EM2882_BOARD_DIKOM_DK300:
884 case EM2882_BOARD_KWORLD_VS_DVBT:
885 dvb->fe[0] = dvb_attach(zl10353_attach,
886 &em28xx_zl10353_xc3028_no_i2c_gate,
887 &dev->i2c_adap);
888 if (dvb->fe[0] == NULL) {
889 /* This board could have either a zl10353 or a mt352.
890 If the chip id isn't for zl10353, try mt352 */
891 dvb->fe[0] = dvb_attach(mt352_attach,
892 &terratec_xs_mt352_cfg,
893 &dev->i2c_adap);
894 }
895
896 if (em28xx_attach_xc3028(0x61, dev) < 0) {
897 result = -EINVAL;
898 goto out_free;
899 }
900 break;
901 case EM2870_BOARD_KWORLD_355U:
902 dvb->fe[0] = dvb_attach(zl10353_attach,
903 &em28xx_zl10353_no_i2c_gate_dev,
904 &dev->i2c_adap);
905 if (dvb->fe[0] != NULL)
906 dvb_attach(qt1010_attach, dvb->fe[0],
907 &dev->i2c_adap, &em28xx_qt1010_config);
908 break;
909 case EM2883_BOARD_KWORLD_HYBRID_330U:
910 case EM2882_BOARD_EVGA_INDTUBE:
911 dvb->fe[0] = dvb_attach(s5h1409_attach,
912 &em28xx_s5h1409_with_xc3028,
913 &dev->i2c_adap);
914 if (em28xx_attach_xc3028(0x61, dev) < 0) {
915 result = -EINVAL;
916 goto out_free;
917 }
918 break;
919 case EM2882_BOARD_KWORLD_ATSC_315U:
920 dvb->fe[0] = dvb_attach(lgdt330x_attach,
921 &em2880_lgdt3303_dev,
922 &dev->i2c_adap);
923 if (dvb->fe[0] != NULL) {
924 if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
925 &dev->i2c_adap, 0x61, TUNER_THOMSON_DTT761X)) {
926 result = -EINVAL;
927 goto out_free;
928 }
929 }
930 break;
931 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2:
932 case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E:
933 dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL,
934 &dev->i2c_adap, &dev->udev->dev);
935 if (em28xx_attach_xc3028(0x61, dev) < 0) {
936 result = -EINVAL;
937 goto out_free;
938 }
939 break;
940 case EM2870_BOARD_REDDO_DVB_C_USB_BOX:
941 /* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */
942 dvb->fe[0] = dvb_attach(tda10023_attach,
943 &em28xx_tda10023_config,
944 &dev->i2c_adap, 0x48);
945 if (dvb->fe[0]) {
946 if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
947 &dev->i2c_adap, 0x60, TUNER_PHILIPS_CU1216L)) {
948 result = -EINVAL;
949 goto out_free;
950 }
951 }
952 break;
953 case EM2870_BOARD_KWORLD_A340:
954 dvb->fe[0] = dvb_attach(lgdt3305_attach,
955 &em2870_lgdt3304_dev,
956 &dev->i2c_adap);
957 if (dvb->fe[0] != NULL)
958 dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
959 &dev->i2c_adap, &kworld_a340_config);
960 break;
961 case EM28174_BOARD_PCTV_290E:
962 dvb->fe[0] = dvb_attach(cxd2820r_attach,
963 &em28xx_cxd2820r_config,
964 &dev->i2c_adap);
965 if (dvb->fe[0]) {
966 /* FE 0 attach tuner */
967 if (!dvb_attach(tda18271_attach,
968 dvb->fe[0],
969 0x60,
970 &dev->i2c_adap,
971 &em28xx_cxd2820r_tda18271_config)) {
972
973 dvb_frontend_detach(dvb->fe[0]);
974 result = -EINVAL;
975 goto out_free;
976 }
977 }
978 break;
979 case EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C:
980 {
981 struct xc5000_config cfg;
982 hauppauge_hvr930c_init(dev);
983
984 dvb->fe[0] = dvb_attach(drxk_attach,
985 &hauppauge_930c_drxk, &dev->i2c_adap);
986 if (!dvb->fe[0]) {
987 result = -EINVAL;
988 goto out_free;
989 }
990 /* FIXME: do we need a pll semaphore? */
991 dvb->fe[0]->sec_priv = dvb;
992 sema_init(&dvb->pll_mutex, 1);
993 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
994 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
995
996 /* Attach xc5000 */
997 memset(&cfg, 0, sizeof(cfg));
998 cfg.i2c_address = 0x61;
999 cfg.if_khz = 4000;
1000
1001 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1002 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
1003 if (!dvb_attach(xc5000_attach, dvb->fe[0], &dev->i2c_adap,
1004 &cfg)) {
1005 result = -EINVAL;
1006 goto out_free;
1007 }
1008 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1009 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
1010
1011 break;
1012 }
1013 case EM2884_BOARD_TERRATEC_H5:
1014 terratec_h5_init(dev);
1015
1016 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, &dev->i2c_adap);
1017 if (!dvb->fe[0]) {
1018 result = -EINVAL;
1019 goto out_free;
1020 }
1021 /* FIXME: do we need a pll semaphore? */
1022 dvb->fe[0]->sec_priv = dvb;
1023 sema_init(&dvb->pll_mutex, 1);
1024 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
1025 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
1026
1027 /* Attach tda18271 to DVB-C frontend */
1028 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1029 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
1030 if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], &dev->i2c_adap, 0x60)) {
1031 result = -EINVAL;
1032 goto out_free;
1033 }
1034 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1035 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
1036
1037 break;
1038 case EM28174_BOARD_PCTV_460E:
1039 /* attach demod */
1040 dvb->fe[0] = dvb_attach(tda10071_attach,
1041 &em28xx_tda10071_config, &dev->i2c_adap);
1042
1043 /* attach SEC */
1044 if (dvb->fe[0])
1045 dvb_attach(a8293_attach, dvb->fe[0], &dev->i2c_adap,
1046 &em28xx_a8293_config);
1047 break;
1048 case EM2874_BOARD_MAXMEDIA_UB425_TC:
1049 /* attach demodulator */
1050 dvb->fe[0] = dvb_attach(drxk_attach, &maxmedia_ub425_tc_drxk,
1051 &dev->i2c_adap);
1052
1053 if (dvb->fe[0]) {
1054 /* disable I2C-gate */
1055 dvb->fe[0]->ops.i2c_gate_ctrl = NULL;
1056
1057 /* attach tuner */
1058 if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0],
1059 &dev->i2c_adap, 0x60)) {
1060 dvb_frontend_detach(dvb->fe[0]);
1061 result = -EINVAL;
1062 goto out_free;
1063 }
1064 }
1065
1066 /* TODO: we need drx-3913k firmware in order to support DVB-T */
1067 em28xx_info("MaxMedia UB425-TC: only DVB-C supported by that " \
1068 "driver version\n");
1069
1070 break;
1071 case EM2884_BOARD_PCTV_510E:
1072 case EM2884_BOARD_PCTV_520E:
1073 pctv_520e_init(dev);
1074
1075 /* attach demodulator */
1076 dvb->fe[0] = dvb_attach(drxk_attach, &pctv_520e_drxk,
1077 &dev->i2c_adap);
1078
1079 if (dvb->fe[0]) {
1080 /* attach tuner */
1081 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1082 &dev->i2c_adap,
1083 &em28xx_cxd2820r_tda18271_config)) {
1084 dvb_frontend_detach(dvb->fe[0]);
1085 result = -EINVAL;
1086 goto out_free;
1087 }
1088 }
1089 break;
1090 case EM2884_BOARD_CINERGY_HTC_STICK:
1091 terratec_htc_stick_init(dev);
1092
1093 /* attach demodulator */
1094 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,
1095 &dev->i2c_adap);
1096 if (!dvb->fe[0]) {
1097 result = -EINVAL;
1098 goto out_free;
1099 }
1100
1101 /* Attach the demodulator. */
1102 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1103 &dev->i2c_adap,
1104 &em28xx_cxd2820r_tda18271_config)) {
1105 result = -EINVAL;
1106 goto out_free;
1107 }
1108 break;
1109 default:
1110 em28xx_errdev("/2: The frontend of your DVB/ATSC card"
1111 " isn't supported yet\n");
1112 break;
1113 }
1114 if (NULL == dvb->fe[0]) {
1115 em28xx_errdev("/2: frontend initialization failed\n");
1116 result = -EINVAL;
1117 goto out_free;
1118 }
1119 /* define general-purpose callback pointer */
1120 dvb->fe[0]->callback = em28xx_tuner_callback;
1121 if (dvb->fe[1])
1122 dvb->fe[1]->callback = em28xx_tuner_callback;
1123
1124 /* register everything */
1125 result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
1126
1127 if (result < 0)
1128 goto out_free;
1129
1130 /* MFE lock */
1131 dvb->adapter.mfe_shared = mfe_shared;
1132
1133 em28xx_info("Successfully loaded em28xx-dvb\n");
1134ret:
1135 em28xx_set_mode(dev, EM28XX_SUSPEND);
1136 mutex_unlock(&dev->lock);
1137 return result;
1138
1139out_free:
1140 kfree(dvb);
1141 dev->dvb = NULL;
1142 goto ret;
1143}
1144
1145static inline void prevent_sleep(struct dvb_frontend_ops *ops)
1146{
1147 ops->set_voltage = NULL;
1148 ops->sleep = NULL;
1149 ops->tuner_ops.sleep = NULL;
1150}
1151
1152static int em28xx_dvb_fini(struct em28xx *dev)
1153{
1154 if (!dev->board.has_dvb) {
1155 /* This device does not support the extension */
1156 return 0;
1157 }
1158
1159 if (dev->dvb) {
1160 struct em28xx_dvb *dvb = dev->dvb;
1161
1162 if (dev->state & DEV_DISCONNECTED) {
1163 /* We cannot tell the device to sleep
1164 * once it has been unplugged. */
1165 if (dvb->fe[0])
1166 prevent_sleep(&dvb->fe[0]->ops);
1167 if (dvb->fe[1])
1168 prevent_sleep(&dvb->fe[1]->ops);
1169 }
1170
1171 em28xx_unregister_dvb(dvb);
1172 kfree(dvb);
1173 dev->dvb = NULL;
1174 }
1175
1176 return 0;
1177}
1178
1179static struct em28xx_ops dvb_ops = {
1180 .id = EM28XX_DVB,
1181 .name = "Em28xx dvb Extension",
1182 .init = em28xx_dvb_init,
1183 .fini = em28xx_dvb_fini,
1184};
1185
1186static int __init em28xx_dvb_register(void)
1187{
1188 return em28xx_register_extension(&dvb_ops);
1189}
1190
1191static void __exit em28xx_dvb_unregister(void)
1192{
1193 em28xx_unregister_extension(&dvb_ops);
1194}
1195
1196module_init(em28xx_dvb_register);
1197module_exit(em28xx_dvb_unregister);
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-29 22:09:12 -0500