2 DVB device driver for em28xx
4 (c) 2008-2011 Mauro Carvalho Chehab <mchehab@infradead.org>
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
11 (c) 2008 Aidan Thornton <makosoft@googlemail.com>
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]
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.
22 #include <linux/kernel.h>
23 #include <linux/slab.h>
24 #include <linux/usb.h>
27 #include <media/v4l2-common.h>
28 #include <media/videobuf-vmalloc.h>
29 #include <media/tuner.h>
30 #include "tuner-simple.h"
37 #include "mt352_priv.h" /* FIXME */
43 #include "tda18271c2dd.h"
46 MODULE_DESCRIPTION("driver for em28xx based DVB cards");
47 MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
48 MODULE_LICENSE("GPL");
50 static unsigned int debug;
51 module_param(debug, int, 0644);
52 MODULE_PARM_DESC(debug, "enable debug messages [dvb]");
54 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
56 #define dprintk(level, fmt, arg...) do { \
58 printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \
61 #define EM28XX_DVB_NUM_BUFS 5
62 #define EM28XX_DVB_MAX_PACKETS 64
65 struct dvb_frontend *fe[2];
67 /* feed count management */
71 /* general boilerplate stuff */
72 struct dvb_adapter adapter;
73 struct dvb_demux demux;
75 struct dmx_frontend fe_hw;
76 struct dmx_frontend fe_mem;
79 /* Due to DRX-K - probably need changes */
80 int (*gate_ctrl)(struct dvb_frontend *, int);
81 struct semaphore pll_mutex;
86 static inline void print_err_status(struct em28xx *dev,
87 int packet, int status)
89 char *errmsg = "Unknown";
93 errmsg = "unlinked synchronuously";
96 errmsg = "unlinked asynchronuously";
99 errmsg = "Buffer error (overrun)";
102 errmsg = "Stalled (device not responding)";
105 errmsg = "Babble (bad cable?)";
108 errmsg = "Bit-stuff error (bad cable?)";
111 errmsg = "CRC/Timeout (could be anything)";
114 errmsg = "Device does not respond";
118 dprintk(1, "URB status %d [%s].\n", status, errmsg);
120 dprintk(1, "URB packet %d, status %d [%s].\n",
121 packet, status, errmsg);
125 static inline int em28xx_dvb_isoc_copy(struct em28xx *dev, struct urb *urb)
132 if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED))
135 if (urb->status < 0) {
136 print_err_status(dev, -1, urb->status);
137 if (urb->status == -ENOENT)
141 for (i = 0; i < urb->number_of_packets; i++) {
142 int status = urb->iso_frame_desc[i].status;
145 print_err_status(dev, i, status);
146 if (urb->iso_frame_desc[i].status != -EPROTO)
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);
158 static int em28xx_start_streaming(struct em28xx_dvb *dvb)
161 struct em28xx *dev = dvb->adapter.priv;
162 int max_dvb_packet_size;
164 usb_set_interface(dev->udev, 0, 1);
165 rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
169 max_dvb_packet_size = em28xx_isoc_dvb_max_packetsize(dev);
170 if (max_dvb_packet_size < 0)
171 return max_dvb_packet_size;
172 dprintk(1, "Using %d buffers each with %d bytes\n",
174 max_dvb_packet_size);
176 return em28xx_init_isoc(dev, EM28XX_DVB_MAX_PACKETS,
177 EM28XX_DVB_NUM_BUFS, max_dvb_packet_size,
178 em28xx_dvb_isoc_copy);
181 static int em28xx_stop_streaming(struct em28xx_dvb *dvb)
183 struct em28xx *dev = dvb->adapter.priv;
185 em28xx_uninit_isoc(dev);
187 em28xx_set_mode(dev, EM28XX_SUSPEND);
192 static int em28xx_start_feed(struct dvb_demux_feed *feed)
194 struct dvb_demux *demux = feed->demux;
195 struct em28xx_dvb *dvb = demux->priv;
198 if (!demux->dmx.frontend)
201 mutex_lock(&dvb->lock);
205 if (dvb->nfeeds == 1) {
206 ret = em28xx_start_streaming(dvb);
211 mutex_unlock(&dvb->lock);
215 static int em28xx_stop_feed(struct dvb_demux_feed *feed)
217 struct dvb_demux *demux = feed->demux;
218 struct em28xx_dvb *dvb = demux->priv;
221 mutex_lock(&dvb->lock);
224 if (0 == dvb->nfeeds)
225 err = em28xx_stop_streaming(dvb);
227 mutex_unlock(&dvb->lock);
233 /* ------------------------------------------------------------------ */
234 static int em28xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
236 struct em28xx *dev = fe->dvb->priv;
239 return em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
241 return em28xx_set_mode(dev, EM28XX_SUSPEND);
244 /* ------------------------------------------------------------------ */
246 static struct lgdt330x_config em2880_lgdt3303_dev = {
247 .demod_address = 0x0e,
248 .demod_chip = LGDT3303,
251 static struct lgdt3305_config em2870_lgdt3304_dev = {
253 .demod_chip = LGDT3304,
254 .spectral_inversion = 1,
256 .mpeg_mode = LGDT3305_MPEG_PARALLEL,
257 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
258 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
263 static struct s921_config sharp_isdbt = {
264 .demod_address = 0x30 >> 1
267 static struct zl10353_config em28xx_zl10353_with_xc3028 = {
268 .demod_address = (0x1e >> 1),
274 static 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
283 static 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, },
290 static struct tda18271_config kworld_a340_config = {
291 .std_map = &kworld_a340_std_map,
294 static struct zl10353_config em28xx_zl10353_xc3028_no_i2c_gate = {
295 .demod_address = (0x1e >> 1),
297 .disable_i2c_gate_ctrl = 1,
302 static 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,
307 .disable_i2c_gate_ctrl = 1,
310 struct drxk_config terratec_h5_drxk = {
314 .microcode_name = "dvb-usb-terratec-h5-drxk.fw",
317 static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
319 struct em28xx_dvb *dvb = fe->sec_priv;
326 down(&dvb->pll_mutex);
327 status = dvb->gate_ctrl(fe, 1);
329 status = dvb->gate_ctrl(fe, 0);
335 static void terratec_h5_init(struct em28xx *dev)
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},
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},
355 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
357 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
359 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
360 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
362 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
365 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
367 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
370 em28xx_gpio_set(dev, terratec_h5_init);
371 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
373 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
376 dev->i2c_client.addr = 0x82 >> 1;
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);
383 static int em28xx_mt352_terratec_xs_init(struct dvb_frontend *fe)
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 };
395 static u8 tuner_go[] = { TUNER_GO, 0x01};
397 mt352_write(fe, clock_config, sizeof(clock_config));
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));
411 static struct mt352_config terratec_xs_mt352_cfg = {
412 .demod_address = (0x1e >> 1),
415 .demod_init = em28xx_mt352_terratec_xs_init,
418 static struct tda10023_config em28xx_tda10023_config = {
419 .demod_address = 0x0c,
423 static struct cxd2820r_config em28xx_cxd2820r_config = {
424 .i2c_address = (0xd8 >> 1),
425 .ts_mode = CXD2820R_TS_SERIAL,
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,
439 static struct tda18271_config em28xx_cxd2820r_tda18271_config = {
440 .output_opt = TDA18271_OUTPUT_LT_OFF,
443 /* ------------------------------------------------------------------ */
445 static int em28xx_attach_xc3028(u8 addr, struct em28xx *dev)
447 struct dvb_frontend *fe;
448 struct xc2028_config cfg;
450 memset(&cfg, 0, sizeof(cfg));
451 cfg.i2c_adap = &dev->i2c_adap;
454 if (!dev->dvb->fe[0]) {
455 em28xx_errdev("/2: dvb frontend not attached. "
456 "Can't attach xc3028\n");
460 fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg);
462 em28xx_errdev("/2: xc3028 attach failed\n");
463 dvb_frontend_detach(dev->dvb->fe[0]);
464 dev->dvb->fe[0] = NULL;
468 em28xx_info("%s/2: xc3028 attached\n", dev->name);
473 /* ------------------------------------------------------------------ */
475 static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
476 struct em28xx *dev, struct device *device)
480 mutex_init(&dvb->lock);
482 /* register adapter */
483 result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,
486 printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n",
491 /* Ensure all frontends negotiate bus access */
492 dvb->fe[0]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
494 dvb->fe[1]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
496 dvb->adapter.priv = dev;
498 /* register frontend */
499 result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]);
501 printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n",
506 /* register 2nd frontend */
508 result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]);
510 printk(KERN_WARNING "%s: 2nd dvb_register_frontend failed (errno = %d)\n",
516 /* register demux stuff */
517 dvb->demux.dmx.capabilities =
518 DMX_TS_FILTERING | DMX_SECTION_FILTERING |
519 DMX_MEMORY_BASED_FILTERING;
520 dvb->demux.priv = dvb;
521 dvb->demux.filternum = 256;
522 dvb->demux.feednum = 256;
523 dvb->demux.start_feed = em28xx_start_feed;
524 dvb->demux.stop_feed = em28xx_stop_feed;
526 result = dvb_dmx_init(&dvb->demux);
528 printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n",
533 dvb->dmxdev.filternum = 256;
534 dvb->dmxdev.demux = &dvb->demux.dmx;
535 dvb->dmxdev.capabilities = 0;
536 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
538 printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n",
543 dvb->fe_hw.source = DMX_FRONTEND_0;
544 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
546 printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
551 dvb->fe_mem.source = DMX_MEMORY_FE;
552 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
554 printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
559 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
561 printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n",
566 /* register network adapter */
567 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
571 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
573 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
575 dvb_dmxdev_release(&dvb->dmxdev);
577 dvb_dmx_release(&dvb->demux);
580 dvb_unregister_frontend(dvb->fe[1]);
581 dvb_unregister_frontend(dvb->fe[0]);
584 dvb_frontend_detach(dvb->fe[1]);
586 dvb_frontend_detach(dvb->fe[0]);
587 dvb_unregister_adapter(&dvb->adapter);
592 static void em28xx_unregister_dvb(struct em28xx_dvb *dvb)
594 dvb_net_release(&dvb->net);
595 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
596 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
597 dvb_dmxdev_release(&dvb->dmxdev);
598 dvb_dmx_release(&dvb->demux);
600 dvb_unregister_frontend(dvb->fe[1]);
601 dvb_unregister_frontend(dvb->fe[0]);
602 if (dvb->fe[1] && !dvb->dont_attach_fe1)
603 dvb_frontend_detach(dvb->fe[1]);
604 dvb_frontend_detach(dvb->fe[0]);
605 dvb_unregister_adapter(&dvb->adapter);
608 static int em28xx_dvb_init(struct em28xx *dev)
610 int result = 0, mfe_shared = 0;
611 struct em28xx_dvb *dvb;
613 if (!dev->board.has_dvb) {
614 /* This device does not support the extension */
615 printk(KERN_INFO "em28xx_dvb: This device does not support the extension\n");
619 dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL);
622 em28xx_info("em28xx_dvb: memory allocation failed\n");
626 dvb->fe[0] = dvb->fe[1] = NULL;
628 mutex_lock(&dev->lock);
629 em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
631 switch (dev->model) {
632 case EM2874_BOARD_LEADERSHIP_ISDBT:
633 dvb->fe[0] = dvb_attach(s921_attach,
634 &sharp_isdbt, &dev->i2c_adap);
642 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850:
643 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950:
644 case EM2880_BOARD_PINNACLE_PCTV_HD_PRO:
645 case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600:
646 dvb->fe[0] = dvb_attach(lgdt330x_attach,
647 &em2880_lgdt3303_dev,
649 if (em28xx_attach_xc3028(0x61, dev) < 0) {
654 case EM2880_BOARD_KWORLD_DVB_310U:
655 dvb->fe[0] = dvb_attach(zl10353_attach,
656 &em28xx_zl10353_with_xc3028,
658 if (em28xx_attach_xc3028(0x61, dev) < 0) {
663 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
664 case EM2882_BOARD_TERRATEC_HYBRID_XS:
665 case EM2880_BOARD_EMPIRE_DUAL_TV:
666 dvb->fe[0] = dvb_attach(zl10353_attach,
667 &em28xx_zl10353_xc3028_no_i2c_gate,
669 if (em28xx_attach_xc3028(0x61, dev) < 0) {
674 case EM2880_BOARD_TERRATEC_HYBRID_XS:
675 case EM2880_BOARD_TERRATEC_HYBRID_XS_FR:
676 case EM2881_BOARD_PINNACLE_HYBRID_PRO:
677 case EM2882_BOARD_DIKOM_DK300:
678 case EM2882_BOARD_KWORLD_VS_DVBT:
679 dvb->fe[0] = dvb_attach(zl10353_attach,
680 &em28xx_zl10353_xc3028_no_i2c_gate,
682 if (dvb->fe[0] == NULL) {
683 /* This board could have either a zl10353 or a mt352.
684 If the chip id isn't for zl10353, try mt352 */
685 dvb->fe[0] = dvb_attach(mt352_attach,
686 &terratec_xs_mt352_cfg,
690 if (em28xx_attach_xc3028(0x61, dev) < 0) {
695 case EM2883_BOARD_KWORLD_HYBRID_330U:
696 case EM2882_BOARD_EVGA_INDTUBE:
697 dvb->fe[0] = dvb_attach(s5h1409_attach,
698 &em28xx_s5h1409_with_xc3028,
700 if (em28xx_attach_xc3028(0x61, dev) < 0) {
705 case EM2882_BOARD_KWORLD_ATSC_315U:
706 dvb->fe[0] = dvb_attach(lgdt330x_attach,
707 &em2880_lgdt3303_dev,
709 if (dvb->fe[0] != NULL) {
710 if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
711 &dev->i2c_adap, 0x61, TUNER_THOMSON_DTT761X)) {
717 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2:
718 case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E:
719 dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL,
720 &dev->i2c_adap, &dev->udev->dev);
721 if (em28xx_attach_xc3028(0x61, dev) < 0) {
726 case EM2870_BOARD_REDDO_DVB_C_USB_BOX:
727 /* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */
728 dvb->fe[0] = dvb_attach(tda10023_attach,
729 &em28xx_tda10023_config,
730 &dev->i2c_adap, 0x48);
732 if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
733 &dev->i2c_adap, 0x60, TUNER_PHILIPS_CU1216L)) {
739 case EM2870_BOARD_KWORLD_A340:
740 dvb->fe[0] = dvb_attach(lgdt3305_attach,
741 &em2870_lgdt3304_dev,
743 if (dvb->fe[0] != NULL)
744 dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
745 &dev->i2c_adap, &kworld_a340_config);
747 case EM28174_BOARD_PCTV_290E:
749 * FE 0 = DVB-T/T2 + FE 1 = DVB-C, both sharing same tuner. */
751 dvb->fe[0] = dvb_attach(cxd2820r_attach,
752 &em28xx_cxd2820r_config, &dev->i2c_adap, NULL);
754 struct i2c_adapter *i2c_tuner;
755 i2c_tuner = cxd2820r_get_tuner_i2c_adapter(dvb->fe[0]);
756 /* FE 0 attach tuner */
757 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
758 i2c_tuner, &em28xx_cxd2820r_tda18271_config)) {
759 dvb_frontend_detach(dvb->fe[0]);
763 /* FE 1. This dvb_attach() cannot fail. */
764 dvb->fe[1] = dvb_attach(cxd2820r_attach, NULL, NULL,
767 /* FE 1 attach tuner */
768 if (!dvb_attach(tda18271_attach, dvb->fe[1], 0x60,
769 i2c_tuner, &em28xx_cxd2820r_tda18271_config)) {
770 dvb_frontend_detach(dvb->fe[1]);
771 /* leave FE 0 still active */
777 case EM2884_BOARD_TERRATEC_H5:
778 terratec_h5_init(dev);
780 dvb->dont_attach_fe1 = 1;
782 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, &dev->i2c_adap, &dvb->fe[1]);
788 /* FIXME: do we need a pll semaphore? */
789 dvb->fe[0]->sec_priv = dvb;
790 sema_init(&dvb->pll_mutex, 1);
791 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
792 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
795 /* Attach tda18271 to DVB-C frontend */
796 if (dvb->fe[0]->ops.i2c_gate_ctrl)
797 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
798 if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], &dev->i2c_adap, 0x60)) {
802 if (dvb->fe[0]->ops.i2c_gate_ctrl)
803 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
805 /* Hack - needed by drxk/tda18271c2dd */
806 dvb->fe[1]->tuner_priv = dvb->fe[0]->tuner_priv;
807 memcpy(&dvb->fe[1]->ops.tuner_ops,
808 &dvb->fe[0]->ops.tuner_ops,
809 sizeof(dvb->fe[0]->ops.tuner_ops));
813 em28xx_errdev("/2: The frontend of your DVB/ATSC card"
814 " isn't supported yet\n");
817 if (NULL == dvb->fe[0]) {
818 em28xx_errdev("/2: frontend initialization failed\n");
822 /* define general-purpose callback pointer */
823 dvb->fe[0]->callback = em28xx_tuner_callback;
825 /* register everything */
826 result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
832 dvb->adapter.mfe_shared = mfe_shared;
834 em28xx_info("Successfully loaded em28xx-dvb\n");
836 em28xx_set_mode(dev, EM28XX_SUSPEND);
837 mutex_unlock(&dev->lock);
846 static int em28xx_dvb_fini(struct em28xx *dev)
848 if (!dev->board.has_dvb) {
849 /* This device does not support the extension */
854 em28xx_unregister_dvb(dev->dvb);
862 static struct em28xx_ops dvb_ops = {
864 .name = "Em28xx dvb Extension",
865 .init = em28xx_dvb_init,
866 .fini = em28xx_dvb_fini,
869 static int __init em28xx_dvb_register(void)
871 return em28xx_register_extension(&dvb_ops);
874 static void __exit em28xx_dvb_unregister(void)
876 em28xx_unregister_extension(&dvb_ops);
879 module_init(em28xx_dvb_register);
880 module_exit(em28xx_dvb_unregister);