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 (c) 2012 Frank Schäfer <fschaefer.oss@googlemail.com>
15 Based on cx88-dvb, saa7134-dvb and videobuf-dvb originally written by:
16 (c) 2004, 2005 Chris Pascoe <c.pascoe@itee.uq.edu.au>
17 (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
19 This program is free software; you can redistribute it and/or modify
20 it under the terms of the GNU General Public License as published by
21 the Free Software Foundation; either version 2 of the License.
24 #include <linux/kernel.h>
25 #include <linux/slab.h>
26 #include <linux/usb.h>
29 #include <media/v4l2-common.h>
30 #include <dvb_demux.h>
33 #include <media/tuner.h>
34 #include "tuner-simple.h"
35 #include <linux/gpio.h>
42 #include "mt352_priv.h" /* FIXME */
44 #include "drx39xyj/drx39xxj.h"
49 #include "tda18271c2dd.h"
56 #include "m88ds3103.h"
57 #include "m88ts2022.h"
61 MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
62 MODULE_LICENSE("GPL");
63 MODULE_DESCRIPTION(DRIVER_DESC " - digital TV interface");
64 MODULE_VERSION(EM28XX_VERSION);
66 static unsigned int debug;
67 module_param(debug, int, 0644);
68 MODULE_PARM_DESC(debug, "enable debug messages [dvb]");
70 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
72 #define dprintk(level, fmt, arg...) do { \
74 printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \
78 struct dvb_frontend *fe[2];
80 /* feed count management */
84 /* general boilerplate stuff */
85 struct dvb_adapter adapter;
86 struct dvb_demux demux;
88 struct dmx_frontend fe_hw;
89 struct dmx_frontend fe_mem;
92 /* Due to DRX-K - probably need changes */
93 int (*gate_ctrl)(struct dvb_frontend *, int);
94 struct semaphore pll_mutex;
97 struct i2c_client *i2c_client_demod;
98 struct i2c_client *i2c_client_tuner;
101 static inline void print_err_status(struct em28xx *dev,
102 int packet, int status)
104 char *errmsg = "Unknown";
108 errmsg = "unlinked synchronuously";
111 errmsg = "unlinked asynchronuously";
114 errmsg = "Buffer error (overrun)";
117 errmsg = "Stalled (device not responding)";
120 errmsg = "Babble (bad cable?)";
123 errmsg = "Bit-stuff error (bad cable?)";
126 errmsg = "CRC/Timeout (could be anything)";
129 errmsg = "Device does not respond";
133 dprintk(1, "URB status %d [%s].\n", status, errmsg);
135 dprintk(1, "URB packet %d, status %d [%s].\n",
136 packet, status, errmsg);
140 static inline int em28xx_dvb_urb_data_copy(struct em28xx *dev, struct urb *urb)
142 int xfer_bulk, num_packets, i;
147 if (dev->disconnected)
151 print_err_status(dev, -1, urb->status);
153 xfer_bulk = usb_pipebulk(urb->pipe);
155 if (xfer_bulk) /* bulk */
158 num_packets = urb->number_of_packets;
160 for (i = 0; i < num_packets; i++) {
162 if (urb->status < 0) {
163 print_err_status(dev, i, urb->status);
164 if (urb->status != -EPROTO)
167 if (!urb->actual_length)
169 dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer,
172 if (urb->iso_frame_desc[i].status < 0) {
173 print_err_status(dev, i,
174 urb->iso_frame_desc[i].status);
175 if (urb->iso_frame_desc[i].status != -EPROTO)
178 if (!urb->iso_frame_desc[i].actual_length)
180 dvb_dmx_swfilter(&dev->dvb->demux,
181 urb->transfer_buffer +
182 urb->iso_frame_desc[i].offset,
183 urb->iso_frame_desc[i].actual_length);
190 static int em28xx_start_streaming(struct em28xx_dvb *dvb)
193 struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv;
194 struct em28xx *dev = i2c_bus->dev;
195 int dvb_max_packet_size, packet_multiplier, dvb_alt;
197 if (dev->dvb_xfer_bulk) {
198 if (!dev->dvb_ep_bulk)
200 dvb_max_packet_size = 512; /* USB 2.0 spec */
201 packet_multiplier = EM28XX_DVB_BULK_PACKET_MULTIPLIER;
204 if (!dev->dvb_ep_isoc)
206 dvb_max_packet_size = dev->dvb_max_pkt_size_isoc;
207 if (dvb_max_packet_size < 0)
208 return dvb_max_packet_size;
209 packet_multiplier = EM28XX_DVB_NUM_ISOC_PACKETS;
210 dvb_alt = dev->dvb_alt_isoc;
213 usb_set_interface(dev->udev, dev->ifnum, dvb_alt);
214 rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
218 dprintk(1, "Using %d buffers each with %d x %d bytes, alternate %d\n",
221 dvb_max_packet_size, dvb_alt);
223 return em28xx_init_usb_xfer(dev, EM28XX_DIGITAL_MODE,
228 em28xx_dvb_urb_data_copy);
231 static int em28xx_stop_streaming(struct em28xx_dvb *dvb)
233 struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv;
234 struct em28xx *dev = i2c_bus->dev;
236 em28xx_stop_urbs(dev);
241 static int em28xx_start_feed(struct dvb_demux_feed *feed)
243 struct dvb_demux *demux = feed->demux;
244 struct em28xx_dvb *dvb = demux->priv;
247 if (!demux->dmx.frontend)
250 mutex_lock(&dvb->lock);
254 if (dvb->nfeeds == 1) {
255 ret = em28xx_start_streaming(dvb);
260 mutex_unlock(&dvb->lock);
264 static int em28xx_stop_feed(struct dvb_demux_feed *feed)
266 struct dvb_demux *demux = feed->demux;
267 struct em28xx_dvb *dvb = demux->priv;
270 mutex_lock(&dvb->lock);
273 if (0 == dvb->nfeeds)
274 err = em28xx_stop_streaming(dvb);
276 mutex_unlock(&dvb->lock);
281 /* ------------------------------------------------------------------ */
282 static int em28xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
284 struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
285 struct em28xx *dev = i2c_bus->dev;
288 return em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
290 return em28xx_set_mode(dev, EM28XX_SUSPEND);
293 /* ------------------------------------------------------------------ */
295 static struct lgdt330x_config em2880_lgdt3303_dev = {
296 .demod_address = 0x0e,
297 .demod_chip = LGDT3303,
300 static struct lgdt3305_config em2870_lgdt3304_dev = {
302 .demod_chip = LGDT3304,
303 .spectral_inversion = 1,
305 .mpeg_mode = LGDT3305_MPEG_PARALLEL,
306 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
307 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
312 static struct lgdt3305_config em2874_lgdt3305_dev = {
314 .demod_chip = LGDT3305,
315 .spectral_inversion = 1,
317 .mpeg_mode = LGDT3305_MPEG_SERIAL,
318 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
319 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
324 static struct lgdt3305_config em2874_lgdt3305_nogate_dev = {
326 .demod_chip = LGDT3305,
327 .spectral_inversion = 1,
329 .mpeg_mode = LGDT3305_MPEG_SERIAL,
330 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
331 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
336 static struct s921_config sharp_isdbt = {
337 .demod_address = 0x30 >> 1
340 static struct zl10353_config em28xx_zl10353_with_xc3028 = {
341 .demod_address = (0x1e >> 1),
347 static struct s5h1409_config em28xx_s5h1409_with_xc3028 = {
348 .demod_address = 0x32 >> 1,
349 .output_mode = S5H1409_PARALLEL_OUTPUT,
350 .gpio = S5H1409_GPIO_OFF,
351 .inversion = S5H1409_INVERSION_OFF,
352 .status_mode = S5H1409_DEMODLOCKING,
353 .mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK
356 static struct tda18271_std_map kworld_a340_std_map = {
357 .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 0,
358 .if_lvl = 1, .rfagc_top = 0x37, },
359 .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 1,
360 .if_lvl = 1, .rfagc_top = 0x37, },
363 static struct tda18271_config kworld_a340_config = {
364 .std_map = &kworld_a340_std_map,
367 static struct tda18271_config kworld_ub435q_v2_config = {
368 .std_map = &kworld_a340_std_map,
369 .gate = TDA18271_GATE_DIGITAL,
372 static struct tda18212_config kworld_ub435q_v3_config = {
377 static struct zl10353_config em28xx_zl10353_xc3028_no_i2c_gate = {
378 .demod_address = (0x1e >> 1),
380 .disable_i2c_gate_ctrl = 1,
385 static struct drxd_config em28xx_drxd = {
386 .demod_address = 0x70,
387 .demod_revision = 0xa2,
388 .pll_type = DRXD_PLL_NONE,
392 .disable_i2c_gate_ctrl = 1,
395 static struct drxk_config terratec_h5_drxk = {
399 .microcode_name = "dvb-usb-terratec-h5-drxk.fw",
400 .qam_demod_parameter_count = 2,
403 static struct drxk_config hauppauge_930c_drxk = {
407 .microcode_name = "dvb-usb-hauppauge-hvr930c-drxk.fw",
409 .qam_demod_parameter_count = 2,
412 static struct drxk_config terratec_htc_stick_drxk = {
416 .microcode_name = "dvb-usb-terratec-htc-stick-drxk.fw",
418 .qam_demod_parameter_count = 2,
419 /* Required for the antenna_gpio to disable LNA. */
420 .antenna_dvbt = true,
421 /* The windows driver uses the same. This will disable LNA. */
425 static struct drxk_config maxmedia_ub425_tc_drxk = {
429 .microcode_name = "dvb-demod-drxk-01.fw",
431 .qam_demod_parameter_count = 2,
434 static struct drxk_config pctv_520e_drxk = {
437 .microcode_name = "dvb-demod-drxk-pctv.fw",
438 .qam_demod_parameter_count = 2,
440 .antenna_dvbt = true, /* disable LNA */
441 .antenna_gpio = (1 << 2), /* disable LNA */
444 static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
446 struct em28xx_dvb *dvb = fe->sec_priv;
453 down(&dvb->pll_mutex);
454 status = dvb->gate_ctrl(fe, 1);
456 status = dvb->gate_ctrl(fe, 0);
462 static void hauppauge_hvr930c_init(struct em28xx *dev)
466 struct em28xx_reg_seq hauppauge_hvr930c_init[] = {
467 {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0x65},
468 {EM2874_R80_GPIO_P0_CTRL, 0xfb, 0xff, 0x32},
469 {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0xb8},
472 struct em28xx_reg_seq hauppauge_hvr930c_end[] = {
473 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x01},
474 {EM2874_R80_GPIO_P0_CTRL, 0xaf, 0xff, 0x65},
475 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x76},
476 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x01},
477 {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x0b},
478 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x40},
480 {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x65},
481 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x65},
482 {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x0b},
483 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x65},
492 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
494 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
496 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
497 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
499 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
502 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
504 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
507 em28xx_gpio_set(dev, hauppauge_hvr930c_init);
508 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
510 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
513 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
515 for (i = 0; i < ARRAY_SIZE(regs); i++)
516 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
517 em28xx_gpio_set(dev, hauppauge_hvr930c_end);
521 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
524 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
529 static void terratec_h5_init(struct em28xx *dev)
532 struct em28xx_reg_seq terratec_h5_init[] = {
533 {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10},
534 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100},
535 {EM2874_R80_GPIO_P0_CTRL, 0xf2, 0xff, 50},
536 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100},
539 struct em28xx_reg_seq terratec_h5_end[] = {
540 {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100},
541 {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 50},
542 {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100},
549 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
551 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
553 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
554 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
556 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
559 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
561 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
564 em28xx_gpio_set(dev, terratec_h5_init);
565 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
567 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
570 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
572 for (i = 0; i < ARRAY_SIZE(regs); i++)
573 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
574 em28xx_gpio_set(dev, terratec_h5_end);
577 static void terratec_htc_stick_init(struct em28xx *dev)
582 * GPIO configuration:
583 * 0xff: unknown (does not affect DVB-T).
584 * 0xf6: DRX-K (demodulator).
585 * 0xe6: unknown (does not affect DVB-T).
586 * 0xb6: unknown (does not affect DVB-T).
588 struct em28xx_reg_seq terratec_htc_stick_init[] = {
589 {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10},
590 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100},
591 {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 50},
592 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100},
595 struct em28xx_reg_seq terratec_htc_stick_end[] = {
596 {EM2874_R80_GPIO_P0_CTRL, 0xb6, 0xff, 100},
597 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 50},
602 * Init the analog decoder (not yet supported), but
603 * it's probably still a good idea.
609 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
611 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
613 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
616 em28xx_gpio_set(dev, terratec_htc_stick_init);
618 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
620 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
623 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
625 for (i = 0; i < ARRAY_SIZE(regs); i++)
626 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
628 em28xx_gpio_set(dev, terratec_htc_stick_end);
631 static void terratec_htc_usb_xs_init(struct em28xx *dev)
635 struct em28xx_reg_seq terratec_htc_usb_xs_init[] = {
636 {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10},
637 {EM2874_R80_GPIO_P0_CTRL, 0xb2, 0xff, 100},
638 {EM2874_R80_GPIO_P0_CTRL, 0xb2, 0xff, 50},
639 {EM2874_R80_GPIO_P0_CTRL, 0xb6, 0xff, 100},
642 struct em28xx_reg_seq terratec_htc_usb_xs_end[] = {
643 {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 100},
644 {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 50},
645 {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100},
650 * Init the analog decoder (not yet supported), but
651 * it's probably still a good idea.
657 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
659 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
661 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
662 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
664 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
667 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
669 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
672 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
674 em28xx_gpio_set(dev, terratec_htc_usb_xs_init);
676 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
678 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
681 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
683 for (i = 0; i < ARRAY_SIZE(regs); i++)
684 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
686 em28xx_gpio_set(dev, terratec_htc_usb_xs_end);
689 static void pctv_520e_init(struct em28xx *dev)
692 * Init AVF4910B analog decoder. Looks like I2C traffic to
693 * digital demodulator and tuner are routed via AVF4910B.
700 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
702 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
704 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
705 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
707 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
710 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; /* 0x41 */
712 for (i = 0; i < ARRAY_SIZE(regs); i++)
713 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
716 static int em28xx_pctv_290e_set_lna(struct dvb_frontend *fe)
718 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
719 struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
720 struct em28xx *dev = i2c_bus->dev;
721 #ifdef CONFIG_GPIOLIB
722 struct em28xx_dvb *dvb = dev->dvb;
727 flags = GPIOF_OUT_INIT_HIGH; /* enable LNA */
729 flags = GPIOF_OUT_INIT_LOW; /* disable LNA */
731 ret = gpio_request_one(dvb->lna_gpio, flags, NULL);
733 em28xx_errdev("gpio request failed %d\n", ret);
735 gpio_free(dvb->lna_gpio);
739 dev_warn(&dev->udev->dev, "%s: LNA control is disabled (lna=%u)\n",
740 KBUILD_MODNAME, c->lna);
745 static int em28xx_pctv_292e_set_lna(struct dvb_frontend *fe)
747 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
748 struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
749 struct em28xx *dev = i2c_bus->dev;
757 return em28xx_write_reg_bits(dev, EM2874_R80_GPIO_P0_CTRL, lna, 0x01);
760 static int em28xx_mt352_terratec_xs_init(struct dvb_frontend *fe)
762 /* Values extracted from a USB trace of the Terratec Windows driver */
763 static u8 clock_config[] = { CLOCK_CTL, 0x38, 0x2c };
764 static u8 reset[] = { RESET, 0x80 };
765 static u8 adc_ctl_1_cfg[] = { ADC_CTL_1, 0x40 };
766 static u8 agc_cfg[] = { AGC_TARGET, 0x28, 0xa0 };
767 static u8 input_freq_cfg[] = { INPUT_FREQ_1, 0x31, 0xb8 };
768 static u8 rs_err_cfg[] = { RS_ERR_PER_1, 0x00, 0x4d };
769 static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
770 static u8 trl_nom_cfg[] = { TRL_NOMINAL_RATE_1, 0x64, 0x00 };
771 static u8 tps_given_cfg[] = { TPS_GIVEN_1, 0x40, 0x80, 0x50 };
772 static u8 tuner_go[] = { TUNER_GO, 0x01};
774 mt352_write(fe, clock_config, sizeof(clock_config));
776 mt352_write(fe, reset, sizeof(reset));
777 mt352_write(fe, adc_ctl_1_cfg, sizeof(adc_ctl_1_cfg));
778 mt352_write(fe, agc_cfg, sizeof(agc_cfg));
779 mt352_write(fe, input_freq_cfg, sizeof(input_freq_cfg));
780 mt352_write(fe, rs_err_cfg, sizeof(rs_err_cfg));
781 mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
782 mt352_write(fe, trl_nom_cfg, sizeof(trl_nom_cfg));
783 mt352_write(fe, tps_given_cfg, sizeof(tps_given_cfg));
784 mt352_write(fe, tuner_go, sizeof(tuner_go));
788 static struct mt352_config terratec_xs_mt352_cfg = {
789 .demod_address = (0x1e >> 1),
792 .demod_init = em28xx_mt352_terratec_xs_init,
795 static struct tda10023_config em28xx_tda10023_config = {
796 .demod_address = 0x0c,
800 static struct cxd2820r_config em28xx_cxd2820r_config = {
801 .i2c_address = (0xd8 >> 1),
802 .ts_mode = CXD2820R_TS_SERIAL,
805 static struct tda18271_config em28xx_cxd2820r_tda18271_config = {
806 .output_opt = TDA18271_OUTPUT_LT_OFF,
807 .gate = TDA18271_GATE_DIGITAL,
810 static const struct tda10071_config em28xx_tda10071_config = {
811 .demod_i2c_addr = 0x55, /* (0xaa >> 1) */
812 .tuner_i2c_addr = 0x14,
814 .ts_mode = TDA10071_TS_SERIAL,
816 .xtal = 40444000, /* 40.444 MHz */
817 .pll_multiplier = 20,
820 static const struct a8293_config em28xx_a8293_config = {
821 .i2c_addr = 0x08, /* (0x10 >> 1) */
824 static struct zl10353_config em28xx_zl10353_no_i2c_gate_dev = {
825 .demod_address = (0x1e >> 1),
826 .disable_i2c_gate_ctrl = 1,
831 static struct qt1010_config em28xx_qt1010_config = {
835 static const struct mb86a20s_config c3tech_duo_mb86a20s_config = {
836 .demod_address = 0x10,
840 static struct tda18271_std_map mb86a20s_tda18271_config = {
841 .dvbt_6 = { .if_freq = 4000, .agc_mode = 3, .std = 4,
842 .if_lvl = 1, .rfagc_top = 0x37, },
845 static struct tda18271_config c3tech_duo_tda18271_config = {
846 .std_map = &mb86a20s_tda18271_config,
847 .gate = TDA18271_GATE_DIGITAL,
848 .small_i2c = TDA18271_03_BYTE_CHUNK_INIT,
851 static const struct m88ds3103_config pctv_461e_m88ds3103_config = {
856 .ts_mode = M88DS3103_TS_PARALLEL,
862 static struct tda18271_std_map drx_j_std_map = {
863 .atsc_6 = { .if_freq = 5000, .agc_mode = 3, .std = 0, .if_lvl = 1,
864 .rfagc_top = 0x37, },
865 .qam_6 = { .if_freq = 5380, .agc_mode = 3, .std = 3, .if_lvl = 1,
866 .rfagc_top = 0x37, },
869 static struct tda18271_config pinnacle_80e_dvb_config = {
870 .std_map = &drx_j_std_map,
871 .gate = TDA18271_GATE_DIGITAL,
872 .role = TDA18271_MASTER,
875 /* ------------------------------------------------------------------ */
877 static int em28xx_attach_xc3028(u8 addr, struct em28xx *dev)
879 struct dvb_frontend *fe;
880 struct xc2028_config cfg;
881 struct xc2028_ctrl ctl;
883 memset(&cfg, 0, sizeof(cfg));
884 cfg.i2c_adap = &dev->i2c_adap[dev->def_i2c_bus];
887 memset(&ctl, 0, sizeof(ctl));
888 em28xx_setup_xc3028(dev, &ctl);
891 if (!dev->dvb->fe[0]) {
892 em28xx_errdev("/2: dvb frontend not attached. "
893 "Can't attach xc3028\n");
897 fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg);
899 em28xx_errdev("/2: xc3028 attach failed\n");
900 dvb_frontend_detach(dev->dvb->fe[0]);
901 dev->dvb->fe[0] = NULL;
905 em28xx_info("%s/2: xc3028 attached\n", dev->name);
910 /* ------------------------------------------------------------------ */
912 static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
913 struct em28xx *dev, struct device *device)
917 mutex_init(&dvb->lock);
919 /* register adapter */
920 result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,
923 printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n",
928 /* Ensure all frontends negotiate bus access */
929 dvb->fe[0]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
931 dvb->fe[1]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
933 dvb->adapter.priv = &dev->i2c_bus[dev->def_i2c_bus];
935 /* register frontend */
936 result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]);
938 printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n",
943 /* register 2nd frontend */
945 result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]);
947 printk(KERN_WARNING "%s: 2nd dvb_register_frontend failed (errno = %d)\n",
953 /* register demux stuff */
954 dvb->demux.dmx.capabilities =
955 DMX_TS_FILTERING | DMX_SECTION_FILTERING |
956 DMX_MEMORY_BASED_FILTERING;
957 dvb->demux.priv = dvb;
958 dvb->demux.filternum = 256;
959 dvb->demux.feednum = 256;
960 dvb->demux.start_feed = em28xx_start_feed;
961 dvb->demux.stop_feed = em28xx_stop_feed;
963 result = dvb_dmx_init(&dvb->demux);
965 printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n",
970 dvb->dmxdev.filternum = 256;
971 dvb->dmxdev.demux = &dvb->demux.dmx;
972 dvb->dmxdev.capabilities = 0;
973 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
975 printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n",
980 dvb->fe_hw.source = DMX_FRONTEND_0;
981 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
983 printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
988 dvb->fe_mem.source = DMX_MEMORY_FE;
989 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
991 printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
996 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
998 printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n",
1003 /* register network adapter */
1004 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
1008 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
1010 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
1012 dvb_dmxdev_release(&dvb->dmxdev);
1014 dvb_dmx_release(&dvb->demux);
1017 dvb_unregister_frontend(dvb->fe[1]);
1018 dvb_unregister_frontend(dvb->fe[0]);
1021 dvb_frontend_detach(dvb->fe[1]);
1023 dvb_frontend_detach(dvb->fe[0]);
1024 dvb_unregister_adapter(&dvb->adapter);
1029 static void em28xx_unregister_dvb(struct em28xx_dvb *dvb)
1031 dvb_net_release(&dvb->net);
1032 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
1033 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
1034 dvb_dmxdev_release(&dvb->dmxdev);
1035 dvb_dmx_release(&dvb->demux);
1037 dvb_unregister_frontend(dvb->fe[1]);
1038 dvb_unregister_frontend(dvb->fe[0]);
1039 if (dvb->fe[1] && !dvb->dont_attach_fe1)
1040 dvb_frontend_detach(dvb->fe[1]);
1041 dvb_frontend_detach(dvb->fe[0]);
1042 dvb_unregister_adapter(&dvb->adapter);
1045 static int em28xx_dvb_init(struct em28xx *dev)
1048 struct em28xx_dvb *dvb;
1050 if (dev->is_audio_only) {
1051 /* Shouldn't initialize IR for this interface */
1055 if (!dev->board.has_dvb) {
1056 /* This device does not support the extension */
1060 em28xx_info("Binding DVB extension\n");
1062 dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL);
1064 em28xx_info("em28xx_dvb: memory allocation failed\n");
1068 dvb->fe[0] = dvb->fe[1] = NULL;
1070 /* pre-allocate DVB usb transfer buffers */
1071 if (dev->dvb_xfer_bulk) {
1072 result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE,
1074 EM28XX_DVB_NUM_BUFS,
1076 EM28XX_DVB_BULK_PACKET_MULTIPLIER);
1078 result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE,
1080 EM28XX_DVB_NUM_BUFS,
1081 dev->dvb_max_pkt_size_isoc,
1082 EM28XX_DVB_NUM_ISOC_PACKETS);
1085 em28xx_errdev("em28xx_dvb: failed to pre-allocate USB transfer buffers for DVB.\n");
1091 mutex_lock(&dev->lock);
1092 em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
1094 switch (dev->model) {
1095 case EM2874_BOARD_LEADERSHIP_ISDBT:
1096 dvb->fe[0] = dvb_attach(s921_attach,
1097 &sharp_isdbt, &dev->i2c_adap[dev->def_i2c_bus]);
1105 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850:
1106 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950:
1107 case EM2880_BOARD_PINNACLE_PCTV_HD_PRO:
1108 case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600:
1109 dvb->fe[0] = dvb_attach(lgdt330x_attach,
1110 &em2880_lgdt3303_dev,
1111 &dev->i2c_adap[dev->def_i2c_bus]);
1112 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1117 case EM2880_BOARD_KWORLD_DVB_310U:
1118 dvb->fe[0] = dvb_attach(zl10353_attach,
1119 &em28xx_zl10353_with_xc3028,
1120 &dev->i2c_adap[dev->def_i2c_bus]);
1121 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1126 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
1127 case EM2882_BOARD_TERRATEC_HYBRID_XS:
1128 case EM2880_BOARD_EMPIRE_DUAL_TV:
1129 dvb->fe[0] = dvb_attach(zl10353_attach,
1130 &em28xx_zl10353_xc3028_no_i2c_gate,
1131 &dev->i2c_adap[dev->def_i2c_bus]);
1132 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1137 case EM2880_BOARD_TERRATEC_HYBRID_XS:
1138 case EM2880_BOARD_TERRATEC_HYBRID_XS_FR:
1139 case EM2881_BOARD_PINNACLE_HYBRID_PRO:
1140 case EM2882_BOARD_DIKOM_DK300:
1141 case EM2882_BOARD_KWORLD_VS_DVBT:
1142 dvb->fe[0] = dvb_attach(zl10353_attach,
1143 &em28xx_zl10353_xc3028_no_i2c_gate,
1144 &dev->i2c_adap[dev->def_i2c_bus]);
1145 if (dvb->fe[0] == NULL) {
1146 /* This board could have either a zl10353 or a mt352.
1147 If the chip id isn't for zl10353, try mt352 */
1148 dvb->fe[0] = dvb_attach(mt352_attach,
1149 &terratec_xs_mt352_cfg,
1150 &dev->i2c_adap[dev->def_i2c_bus]);
1153 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1158 case EM2870_BOARD_KWORLD_355U:
1159 dvb->fe[0] = dvb_attach(zl10353_attach,
1160 &em28xx_zl10353_no_i2c_gate_dev,
1161 &dev->i2c_adap[dev->def_i2c_bus]);
1162 if (dvb->fe[0] != NULL)
1163 dvb_attach(qt1010_attach, dvb->fe[0],
1164 &dev->i2c_adap[dev->def_i2c_bus], &em28xx_qt1010_config);
1166 case EM2883_BOARD_KWORLD_HYBRID_330U:
1167 case EM2882_BOARD_EVGA_INDTUBE:
1168 dvb->fe[0] = dvb_attach(s5h1409_attach,
1169 &em28xx_s5h1409_with_xc3028,
1170 &dev->i2c_adap[dev->def_i2c_bus]);
1171 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1176 case EM2882_BOARD_KWORLD_ATSC_315U:
1177 dvb->fe[0] = dvb_attach(lgdt330x_attach,
1178 &em2880_lgdt3303_dev,
1179 &dev->i2c_adap[dev->def_i2c_bus]);
1180 if (dvb->fe[0] != NULL) {
1181 if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
1182 &dev->i2c_adap[dev->def_i2c_bus],
1183 0x61, TUNER_THOMSON_DTT761X)) {
1189 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2:
1190 case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E:
1191 dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL,
1192 &dev->i2c_adap[dev->def_i2c_bus], &dev->udev->dev);
1193 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1198 case EM2870_BOARD_REDDO_DVB_C_USB_BOX:
1199 /* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */
1200 dvb->fe[0] = dvb_attach(tda10023_attach,
1201 &em28xx_tda10023_config,
1202 &dev->i2c_adap[dev->def_i2c_bus], 0x48);
1204 if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
1205 &dev->i2c_adap[dev->def_i2c_bus],
1206 0x60, TUNER_PHILIPS_CU1216L)) {
1212 case EM2870_BOARD_KWORLD_A340:
1213 dvb->fe[0] = dvb_attach(lgdt3305_attach,
1214 &em2870_lgdt3304_dev,
1215 &dev->i2c_adap[dev->def_i2c_bus]);
1220 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1221 &dev->i2c_adap[dev->def_i2c_bus],
1222 &kworld_a340_config)) {
1223 dvb_frontend_detach(dvb->fe[0]);
1228 case EM28174_BOARD_PCTV_290E:
1229 /* set default GPIO0 for LNA, used if GPIOLIB is undefined */
1230 dvb->lna_gpio = CXD2820R_GPIO_E | CXD2820R_GPIO_O |
1232 dvb->fe[0] = dvb_attach(cxd2820r_attach,
1233 &em28xx_cxd2820r_config,
1234 &dev->i2c_adap[dev->def_i2c_bus],
1237 /* FE 0 attach tuner */
1238 if (!dvb_attach(tda18271_attach,
1241 &dev->i2c_adap[dev->def_i2c_bus],
1242 &em28xx_cxd2820r_tda18271_config)) {
1244 dvb_frontend_detach(dvb->fe[0]);
1249 #ifdef CONFIG_GPIOLIB
1250 /* enable LNA for DVB-T, DVB-T2 and DVB-C */
1251 result = gpio_request_one(dvb->lna_gpio,
1252 GPIOF_OUT_INIT_LOW, NULL);
1254 em28xx_errdev("gpio request failed %d\n",
1257 gpio_free(dvb->lna_gpio);
1259 result = 0; /* continue even set LNA fails */
1261 dvb->fe[0]->ops.set_lna = em28xx_pctv_290e_set_lna;
1265 case EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C:
1267 struct xc5000_config cfg;
1269 hauppauge_hvr930c_init(dev);
1271 dvb->fe[0] = dvb_attach(drxk_attach,
1272 &hauppauge_930c_drxk, &dev->i2c_adap[dev->def_i2c_bus]);
1277 /* FIXME: do we need a pll semaphore? */
1278 dvb->fe[0]->sec_priv = dvb;
1279 sema_init(&dvb->pll_mutex, 1);
1280 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
1281 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
1284 memset(&cfg, 0, sizeof(cfg));
1285 cfg.i2c_address = 0x61;
1288 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1289 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
1290 if (!dvb_attach(xc5000_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus],
1295 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1296 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
1300 case EM2884_BOARD_TERRATEC_H5:
1301 terratec_h5_init(dev);
1303 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, &dev->i2c_adap[dev->def_i2c_bus]);
1308 /* FIXME: do we need a pll semaphore? */
1309 dvb->fe[0]->sec_priv = dvb;
1310 sema_init(&dvb->pll_mutex, 1);
1311 dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
1312 dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
1314 /* Attach tda18271 to DVB-C frontend */
1315 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1316 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
1317 if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus], 0x60)) {
1321 if (dvb->fe[0]->ops.i2c_gate_ctrl)
1322 dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
1325 case EM2884_BOARD_C3TECH_DIGITAL_DUO:
1326 dvb->fe[0] = dvb_attach(mb86a20s_attach,
1327 &c3tech_duo_mb86a20s_config,
1328 &dev->i2c_adap[dev->def_i2c_bus]);
1329 if (dvb->fe[0] != NULL)
1330 dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1331 &dev->i2c_adap[dev->def_i2c_bus],
1332 &c3tech_duo_tda18271_config);
1334 case EM28174_BOARD_PCTV_460E:
1336 dvb->fe[0] = dvb_attach(tda10071_attach,
1337 &em28xx_tda10071_config, &dev->i2c_adap[dev->def_i2c_bus]);
1341 dvb_attach(a8293_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus],
1342 &em28xx_a8293_config);
1344 case EM2874_BOARD_DELOCK_61959:
1345 case EM2874_BOARD_MAXMEDIA_UB425_TC:
1346 /* attach demodulator */
1347 dvb->fe[0] = dvb_attach(drxk_attach, &maxmedia_ub425_tc_drxk,
1348 &dev->i2c_adap[dev->def_i2c_bus]);
1351 /* disable I2C-gate */
1352 dvb->fe[0]->ops.i2c_gate_ctrl = NULL;
1355 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1356 &dev->i2c_adap[dev->def_i2c_bus],
1357 &em28xx_cxd2820r_tda18271_config)) {
1358 dvb_frontend_detach(dvb->fe[0]);
1364 case EM2884_BOARD_PCTV_510E:
1365 case EM2884_BOARD_PCTV_520E:
1366 pctv_520e_init(dev);
1368 /* attach demodulator */
1369 dvb->fe[0] = dvb_attach(drxk_attach, &pctv_520e_drxk,
1370 &dev->i2c_adap[dev->def_i2c_bus]);
1374 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1375 &dev->i2c_adap[dev->def_i2c_bus],
1376 &em28xx_cxd2820r_tda18271_config)) {
1377 dvb_frontend_detach(dvb->fe[0]);
1383 case EM2884_BOARD_CINERGY_HTC_STICK:
1384 terratec_htc_stick_init(dev);
1386 /* attach demodulator */
1387 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,
1388 &dev->i2c_adap[dev->def_i2c_bus]);
1394 /* Attach the demodulator. */
1395 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1396 &dev->i2c_adap[dev->def_i2c_bus],
1397 &em28xx_cxd2820r_tda18271_config)) {
1402 case EM2884_BOARD_TERRATEC_HTC_USB_XS:
1403 terratec_htc_usb_xs_init(dev);
1405 /* attach demodulator */
1406 dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,
1407 &dev->i2c_adap[dev->def_i2c_bus]);
1413 /* Attach the demodulator. */
1414 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1415 &dev->i2c_adap[dev->def_i2c_bus],
1416 &em28xx_cxd2820r_tda18271_config)) {
1421 case EM2874_BOARD_KWORLD_UB435Q_V2:
1422 dvb->fe[0] = dvb_attach(lgdt3305_attach,
1423 &em2874_lgdt3305_dev,
1424 &dev->i2c_adap[dev->def_i2c_bus]);
1430 /* Attach the demodulator. */
1431 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1432 &dev->i2c_adap[dev->def_i2c_bus],
1433 &kworld_ub435q_v2_config)) {
1438 case EM2874_BOARD_KWORLD_UB435Q_V3:
1440 struct i2c_client *client;
1441 struct i2c_adapter *adapter = &dev->i2c_adap[dev->def_i2c_bus];
1442 struct i2c_board_info board_info = {
1445 .platform_data = &kworld_ub435q_v3_config,
1448 dvb->fe[0] = dvb_attach(lgdt3305_attach,
1449 &em2874_lgdt3305_nogate_dev,
1450 &dev->i2c_adap[dev->def_i2c_bus]);
1457 kworld_ub435q_v3_config.fe = dvb->fe[0];
1458 request_module("tda18212");
1459 client = i2c_new_device(adapter, &board_info);
1460 if (client == NULL || client->dev.driver == NULL) {
1461 dvb_frontend_detach(dvb->fe[0]);
1466 if (!try_module_get(client->dev.driver->owner)) {
1467 i2c_unregister_device(client);
1468 dvb_frontend_detach(dvb->fe[0]);
1473 dvb->i2c_client_tuner = client;
1476 case EM2874_BOARD_PCTV_HD_MINI_80E:
1477 dvb->fe[0] = dvb_attach(drx39xxj_attach, &dev->i2c_adap[dev->def_i2c_bus]);
1478 if (dvb->fe[0] != NULL) {
1479 dvb->fe[0] = dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1480 &dev->i2c_adap[dev->def_i2c_bus],
1481 &pinnacle_80e_dvb_config);
1488 case EM28178_BOARD_PCTV_461E:
1490 /* demod I2C adapter */
1491 struct i2c_adapter *i2c_adapter;
1492 struct i2c_client *client;
1493 struct i2c_board_info info;
1494 struct m88ts2022_config m88ts2022_config = {
1497 memset(&info, 0, sizeof(struct i2c_board_info));
1500 dvb->fe[0] = dvb_attach(m88ds3103_attach,
1501 &pctv_461e_m88ds3103_config,
1502 &dev->i2c_adap[dev->def_i2c_bus],
1504 if (dvb->fe[0] == NULL) {
1510 m88ts2022_config.fe = dvb->fe[0];
1511 strlcpy(info.type, "m88ts2022", I2C_NAME_SIZE);
1513 info.platform_data = &m88ts2022_config;
1514 request_module("m88ts2022");
1515 client = i2c_new_device(i2c_adapter, &info);
1516 if (client == NULL || client->dev.driver == NULL) {
1517 dvb_frontend_detach(dvb->fe[0]);
1522 if (!try_module_get(client->dev.driver->owner)) {
1523 i2c_unregister_device(client);
1524 dvb_frontend_detach(dvb->fe[0]);
1529 /* delegate signal strength measurement to tuner */
1530 dvb->fe[0]->ops.read_signal_strength =
1531 dvb->fe[0]->ops.tuner_ops.get_rf_strength;
1534 if (!dvb_attach(a8293_attach, dvb->fe[0],
1535 &dev->i2c_adap[dev->def_i2c_bus],
1536 &em28xx_a8293_config)) {
1537 module_put(client->dev.driver->owner);
1538 i2c_unregister_device(client);
1539 dvb_frontend_detach(dvb->fe[0]);
1544 dvb->i2c_client_tuner = client;
1547 case EM28178_BOARD_PCTV_292E:
1549 struct i2c_adapter *adapter;
1550 struct i2c_client *client;
1551 struct i2c_board_info info;
1552 struct si2168_config si2168_config;
1553 struct si2157_config si2157_config;
1556 memset(&si2168_config, 0, sizeof(si2168_config));
1557 si2168_config.i2c_adapter = &adapter;
1558 si2168_config.fe = &dvb->fe[0];
1559 si2168_config.ts_mode = SI2168_TS_PARALLEL;
1560 memset(&info, 0, sizeof(struct i2c_board_info));
1561 strlcpy(info.type, "si2168", I2C_NAME_SIZE);
1563 info.platform_data = &si2168_config;
1564 request_module(info.type);
1565 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info);
1566 if (client == NULL || client->dev.driver == NULL) {
1571 if (!try_module_get(client->dev.driver->owner)) {
1572 i2c_unregister_device(client);
1577 dvb->i2c_client_demod = client;
1580 memset(&si2157_config, 0, sizeof(si2157_config));
1581 si2157_config.fe = dvb->fe[0];
1582 memset(&info, 0, sizeof(struct i2c_board_info));
1583 strlcpy(info.type, "si2157", I2C_NAME_SIZE);
1585 info.platform_data = &si2157_config;
1586 request_module(info.type);
1587 client = i2c_new_device(adapter, &info);
1588 if (client == NULL || client->dev.driver == NULL) {
1589 module_put(dvb->i2c_client_demod->dev.driver->owner);
1590 i2c_unregister_device(dvb->i2c_client_demod);
1595 if (!try_module_get(client->dev.driver->owner)) {
1596 i2c_unregister_device(client);
1597 module_put(dvb->i2c_client_demod->dev.driver->owner);
1598 i2c_unregister_device(dvb->i2c_client_demod);
1603 dvb->i2c_client_tuner = client;
1604 dvb->fe[0]->ops.set_lna = em28xx_pctv_292e_set_lna;
1607 case EM28178_BOARD_TERRATEC_T2_STICK_HD:
1609 struct i2c_adapter *adapter;
1610 struct i2c_client *client;
1611 struct i2c_board_info info;
1612 struct si2168_config si2168_config;
1613 struct si2157_config si2157_config;
1616 memset(&si2168_config, 0, sizeof(si2168_config));
1617 si2168_config.i2c_adapter = &adapter;
1618 si2168_config.fe = &dvb->fe[0];
1619 si2168_config.ts_mode = SI2168_TS_PARALLEL;
1620 memset(&info, 0, sizeof(struct i2c_board_info));
1621 strlcpy(info.type, "si2168", I2C_NAME_SIZE);
1623 info.platform_data = &si2168_config;
1624 request_module(info.type);
1625 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info);
1626 if (client == NULL || client->dev.driver == NULL) {
1631 if (!try_module_get(client->dev.driver->owner)) {
1632 i2c_unregister_device(client);
1637 dvb->i2c_client_demod = client;
1640 memset(&si2157_config, 0, sizeof(si2157_config));
1641 si2157_config.fe = dvb->fe[0];
1642 memset(&info, 0, sizeof(struct i2c_board_info));
1643 strlcpy(info.type, "si2146", I2C_NAME_SIZE);
1645 info.platform_data = &si2157_config;
1646 request_module("si2157");
1647 client = i2c_new_device(adapter, &info);
1648 if (client == NULL || client->dev.driver == NULL) {
1649 module_put(dvb->i2c_client_demod->dev.driver->owner);
1650 i2c_unregister_device(dvb->i2c_client_demod);
1655 if (!try_module_get(client->dev.driver->owner)) {
1656 i2c_unregister_device(client);
1657 module_put(dvb->i2c_client_demod->dev.driver->owner);
1658 i2c_unregister_device(dvb->i2c_client_demod);
1663 dvb->i2c_client_tuner = client;
1667 em28xx_errdev("/2: The frontend of your DVB/ATSC card"
1668 " isn't supported yet\n");
1671 if (NULL == dvb->fe[0]) {
1672 em28xx_errdev("/2: frontend initialization failed\n");
1676 /* define general-purpose callback pointer */
1677 dvb->fe[0]->callback = em28xx_tuner_callback;
1679 dvb->fe[1]->callback = em28xx_tuner_callback;
1681 /* register everything */
1682 result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
1687 em28xx_info("DVB extension successfully initialized\n");
1689 kref_get(&dev->ref);
1692 em28xx_set_mode(dev, EM28XX_SUSPEND);
1693 mutex_unlock(&dev->lock);
1702 static inline void prevent_sleep(struct dvb_frontend_ops *ops)
1704 ops->set_voltage = NULL;
1706 ops->tuner_ops.sleep = NULL;
1709 static int em28xx_dvb_fini(struct em28xx *dev)
1711 struct em28xx_dvb *dvb;
1712 struct i2c_client *client;
1714 if (dev->is_audio_only) {
1715 /* Shouldn't initialize IR for this interface */
1719 if (!dev->board.has_dvb) {
1720 /* This device does not support the extension */
1727 em28xx_info("Closing DVB extension");
1730 client = dvb->i2c_client_tuner;
1732 em28xx_uninit_usb_xfer(dev, EM28XX_DIGITAL_MODE);
1734 if (dev->disconnected) {
1735 /* We cannot tell the device to sleep
1736 * once it has been unplugged. */
1738 prevent_sleep(&dvb->fe[0]->ops);
1739 dvb->fe[0]->exit = DVB_FE_DEVICE_REMOVED;
1742 prevent_sleep(&dvb->fe[1]->ops);
1743 dvb->fe[1]->exit = DVB_FE_DEVICE_REMOVED;
1747 /* remove I2C tuner */
1749 module_put(client->dev.driver->owner);
1750 i2c_unregister_device(client);
1753 /* remove I2C demod */
1754 client = dvb->i2c_client_demod;
1756 module_put(client->dev.driver->owner);
1757 i2c_unregister_device(client);
1760 em28xx_unregister_dvb(dvb);
1763 kref_put(&dev->ref, em28xx_free_device);
1768 static int em28xx_dvb_suspend(struct em28xx *dev)
1772 if (dev->is_audio_only)
1775 if (!dev->board.has_dvb)
1778 em28xx_info("Suspending DVB extension");
1780 struct em28xx_dvb *dvb = dev->dvb;
1783 ret = dvb_frontend_suspend(dvb->fe[0]);
1784 em28xx_info("fe0 suspend %d", ret);
1787 dvb_frontend_suspend(dvb->fe[1]);
1788 em28xx_info("fe1 suspend %d", ret);
1795 static int em28xx_dvb_resume(struct em28xx *dev)
1799 if (dev->is_audio_only)
1802 if (!dev->board.has_dvb)
1805 em28xx_info("Resuming DVB extension");
1807 struct em28xx_dvb *dvb = dev->dvb;
1810 ret = dvb_frontend_resume(dvb->fe[0]);
1811 em28xx_info("fe0 resume %d", ret);
1815 ret = dvb_frontend_resume(dvb->fe[1]);
1816 em28xx_info("fe1 resume %d", ret);
1823 static struct em28xx_ops dvb_ops = {
1825 .name = "Em28xx dvb Extension",
1826 .init = em28xx_dvb_init,
1827 .fini = em28xx_dvb_fini,
1828 .suspend = em28xx_dvb_suspend,
1829 .resume = em28xx_dvb_resume,
1832 static int __init em28xx_dvb_register(void)
1834 return em28xx_register_extension(&dvb_ops);
1837 static void __exit em28xx_dvb_unregister(void)
1839 em28xx_unregister_extension(&dvb_ops);
1842 module_init(em28xx_dvb_register);
1843 module_exit(em28xx_dvb_unregister);