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);
67 static unsigned int debug;
68 module_param(debug, int, 0644);
69 MODULE_PARM_DESC(debug, "enable debug messages [dvb]");
71 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
73 #define dprintk(level, fmt, arg...) do { \
75 printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \
79 struct dvb_frontend *fe[2];
81 /* feed count management */
85 /* general boilerplate stuff */
86 struct dvb_adapter adapter;
87 struct dvb_demux demux;
89 struct dmx_frontend fe_hw;
90 struct dmx_frontend fe_mem;
93 /* Due to DRX-K - probably need changes */
94 int (*gate_ctrl)(struct dvb_frontend *, int);
95 struct semaphore pll_mutex;
98 struct i2c_client *i2c_client_demod;
99 struct i2c_client *i2c_client_tuner;
103 static inline void print_err_status(struct em28xx *dev,
104 int packet, int status)
106 char *errmsg = "Unknown";
110 errmsg = "unlinked synchronuously";
113 errmsg = "unlinked asynchronuously";
116 errmsg = "Buffer error (overrun)";
119 errmsg = "Stalled (device not responding)";
122 errmsg = "Babble (bad cable?)";
125 errmsg = "Bit-stuff error (bad cable?)";
128 errmsg = "CRC/Timeout (could be anything)";
131 errmsg = "Device does not respond";
135 dprintk(1, "URB status %d [%s].\n", status, errmsg);
137 dprintk(1, "URB packet %d, status %d [%s].\n",
138 packet, status, errmsg);
142 static inline int em28xx_dvb_urb_data_copy(struct em28xx *dev, struct urb *urb)
144 int xfer_bulk, num_packets, i;
149 if (dev->disconnected)
153 print_err_status(dev, -1, urb->status);
155 xfer_bulk = usb_pipebulk(urb->pipe);
157 if (xfer_bulk) /* bulk */
160 num_packets = urb->number_of_packets;
162 for (i = 0; i < num_packets; i++) {
164 if (urb->status < 0) {
165 print_err_status(dev, i, urb->status);
166 if (urb->status != -EPROTO)
169 if (!urb->actual_length)
171 dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer,
174 if (urb->iso_frame_desc[i].status < 0) {
175 print_err_status(dev, i,
176 urb->iso_frame_desc[i].status);
177 if (urb->iso_frame_desc[i].status != -EPROTO)
180 if (!urb->iso_frame_desc[i].actual_length)
182 dvb_dmx_swfilter(&dev->dvb->demux,
183 urb->transfer_buffer +
184 urb->iso_frame_desc[i].offset,
185 urb->iso_frame_desc[i].actual_length);
192 static int em28xx_start_streaming(struct em28xx_dvb *dvb)
195 struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv;
196 struct em28xx *dev = i2c_bus->dev;
197 int dvb_max_packet_size, packet_multiplier, dvb_alt;
199 if (dev->dvb_xfer_bulk) {
200 if (!dev->dvb_ep_bulk)
202 dvb_max_packet_size = 512; /* USB 2.0 spec */
203 packet_multiplier = EM28XX_DVB_BULK_PACKET_MULTIPLIER;
206 if (!dev->dvb_ep_isoc)
208 dvb_max_packet_size = dev->dvb_max_pkt_size_isoc;
209 if (dvb_max_packet_size < 0)
210 return dvb_max_packet_size;
211 packet_multiplier = EM28XX_DVB_NUM_ISOC_PACKETS;
212 dvb_alt = dev->dvb_alt_isoc;
215 usb_set_interface(dev->udev, dev->ifnum, dvb_alt);
216 rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
220 dprintk(1, "Using %d buffers each with %d x %d bytes, alternate %d\n",
223 dvb_max_packet_size, dvb_alt);
225 return em28xx_init_usb_xfer(dev, EM28XX_DIGITAL_MODE,
230 em28xx_dvb_urb_data_copy);
233 static int em28xx_stop_streaming(struct em28xx_dvb *dvb)
235 struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv;
236 struct em28xx *dev = i2c_bus->dev;
238 em28xx_stop_urbs(dev);
243 static int em28xx_start_feed(struct dvb_demux_feed *feed)
245 struct dvb_demux *demux = feed->demux;
246 struct em28xx_dvb *dvb = demux->priv;
249 if (!demux->dmx.frontend)
252 mutex_lock(&dvb->lock);
256 if (dvb->nfeeds == 1) {
257 ret = em28xx_start_streaming(dvb);
262 mutex_unlock(&dvb->lock);
266 static int em28xx_stop_feed(struct dvb_demux_feed *feed)
268 struct dvb_demux *demux = feed->demux;
269 struct em28xx_dvb *dvb = demux->priv;
272 mutex_lock(&dvb->lock);
275 if (0 == dvb->nfeeds)
276 err = em28xx_stop_streaming(dvb);
278 mutex_unlock(&dvb->lock);
284 /* ------------------------------------------------------------------ */
285 static int em28xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
287 struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
288 struct em28xx *dev = i2c_bus->dev;
291 return em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
293 return em28xx_set_mode(dev, EM28XX_SUSPEND);
296 /* ------------------------------------------------------------------ */
298 static struct lgdt330x_config em2880_lgdt3303_dev = {
299 .demod_address = 0x0e,
300 .demod_chip = LGDT3303,
303 static struct lgdt3305_config em2870_lgdt3304_dev = {
305 .demod_chip = LGDT3304,
306 .spectral_inversion = 1,
308 .mpeg_mode = LGDT3305_MPEG_PARALLEL,
309 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
310 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
315 static struct lgdt3305_config em2874_lgdt3305_dev = {
317 .demod_chip = LGDT3305,
318 .spectral_inversion = 1,
320 .mpeg_mode = LGDT3305_MPEG_SERIAL,
321 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
322 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
327 static struct lgdt3305_config em2874_lgdt3305_nogate_dev = {
329 .demod_chip = LGDT3305,
330 .spectral_inversion = 1,
332 .mpeg_mode = LGDT3305_MPEG_SERIAL,
333 .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
334 .tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
339 static struct s921_config sharp_isdbt = {
340 .demod_address = 0x30 >> 1
343 static struct zl10353_config em28xx_zl10353_with_xc3028 = {
344 .demod_address = (0x1e >> 1),
350 static struct s5h1409_config em28xx_s5h1409_with_xc3028 = {
351 .demod_address = 0x32 >> 1,
352 .output_mode = S5H1409_PARALLEL_OUTPUT,
353 .gpio = S5H1409_GPIO_OFF,
354 .inversion = S5H1409_INVERSION_OFF,
355 .status_mode = S5H1409_DEMODLOCKING,
356 .mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK
359 static struct tda18271_std_map kworld_a340_std_map = {
360 .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 0,
361 .if_lvl = 1, .rfagc_top = 0x37, },
362 .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 1,
363 .if_lvl = 1, .rfagc_top = 0x37, },
366 static struct tda18271_config kworld_a340_config = {
367 .std_map = &kworld_a340_std_map,
370 static struct tda18271_config kworld_ub435q_v2_config = {
371 .std_map = &kworld_a340_std_map,
372 .gate = TDA18271_GATE_DIGITAL,
375 static struct tda18212_config kworld_ub435q_v3_config = {
380 static struct zl10353_config em28xx_zl10353_xc3028_no_i2c_gate = {
381 .demod_address = (0x1e >> 1),
383 .disable_i2c_gate_ctrl = 1,
388 static struct drxd_config em28xx_drxd = {
389 .demod_address = 0x70,
390 .demod_revision = 0xa2,
391 .pll_type = DRXD_PLL_NONE,
395 .disable_i2c_gate_ctrl = 1,
398 static struct drxk_config terratec_h5_drxk = {
402 .microcode_name = "dvb-usb-terratec-h5-drxk.fw",
403 .qam_demod_parameter_count = 2,
406 static struct drxk_config hauppauge_930c_drxk = {
410 .microcode_name = "dvb-usb-hauppauge-hvr930c-drxk.fw",
412 .qam_demod_parameter_count = 2,
415 static struct drxk_config terratec_htc_stick_drxk = {
419 .microcode_name = "dvb-usb-terratec-htc-stick-drxk.fw",
421 .qam_demod_parameter_count = 2,
422 /* Required for the antenna_gpio to disable LNA. */
423 .antenna_dvbt = true,
424 /* The windows driver uses the same. This will disable LNA. */
428 static struct drxk_config maxmedia_ub425_tc_drxk = {
432 .microcode_name = "dvb-demod-drxk-01.fw",
434 .qam_demod_parameter_count = 2,
437 static struct drxk_config pctv_520e_drxk = {
440 .microcode_name = "dvb-demod-drxk-pctv.fw",
441 .qam_demod_parameter_count = 2,
443 .antenna_dvbt = true, /* disable LNA */
444 .antenna_gpio = (1 << 2), /* disable LNA */
447 static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
449 struct em28xx_dvb *dvb = fe->sec_priv;
456 down(&dvb->pll_mutex);
457 status = dvb->gate_ctrl(fe, 1);
459 status = dvb->gate_ctrl(fe, 0);
465 static void hauppauge_hvr930c_init(struct em28xx *dev)
469 struct em28xx_reg_seq hauppauge_hvr930c_init[] = {
470 {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0x65},
471 {EM2874_R80_GPIO_P0_CTRL, 0xfb, 0xff, 0x32},
472 {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0xb8},
475 struct em28xx_reg_seq hauppauge_hvr930c_end[] = {
476 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x01},
477 {EM2874_R80_GPIO_P0_CTRL, 0xaf, 0xff, 0x65},
478 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x76},
479 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x01},
480 {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x0b},
481 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x40},
483 {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x65},
484 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x65},
485 {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x0b},
486 {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x65},
495 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
497 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
499 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
500 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
502 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
505 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
507 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
510 em28xx_gpio_set(dev, hauppauge_hvr930c_init);
511 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
513 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
516 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
518 for (i = 0; i < ARRAY_SIZE(regs); i++)
519 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
520 em28xx_gpio_set(dev, hauppauge_hvr930c_end);
524 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
527 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
532 static void terratec_h5_init(struct em28xx *dev)
535 struct em28xx_reg_seq terratec_h5_init[] = {
536 {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10},
537 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100},
538 {EM2874_R80_GPIO_P0_CTRL, 0xf2, 0xff, 50},
539 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100},
542 struct em28xx_reg_seq terratec_h5_end[] = {
543 {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100},
544 {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 50},
545 {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100},
552 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
554 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
556 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
557 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
559 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
562 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
564 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
567 em28xx_gpio_set(dev, terratec_h5_init);
568 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
570 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
573 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
575 for (i = 0; i < ARRAY_SIZE(regs); i++)
576 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
577 em28xx_gpio_set(dev, terratec_h5_end);
580 static void terratec_htc_stick_init(struct em28xx *dev)
585 * GPIO configuration:
586 * 0xff: unknown (does not affect DVB-T).
587 * 0xf6: DRX-K (demodulator).
588 * 0xe6: unknown (does not affect DVB-T).
589 * 0xb6: unknown (does not affect DVB-T).
591 struct em28xx_reg_seq terratec_htc_stick_init[] = {
592 {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10},
593 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100},
594 {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 50},
595 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100},
598 struct em28xx_reg_seq terratec_htc_stick_end[] = {
599 {EM2874_R80_GPIO_P0_CTRL, 0xb6, 0xff, 100},
600 {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 50},
605 * Init the analog decoder (not yet supported), but
606 * it's probably still a good idea.
612 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
614 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
616 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
619 em28xx_gpio_set(dev, terratec_htc_stick_init);
621 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
623 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
626 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
628 for (i = 0; i < ARRAY_SIZE(regs); i++)
629 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
631 em28xx_gpio_set(dev, terratec_htc_stick_end);
634 static void terratec_htc_usb_xs_init(struct em28xx *dev)
638 struct em28xx_reg_seq terratec_htc_usb_xs_init[] = {
639 {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10},
640 {EM2874_R80_GPIO_P0_CTRL, 0xb2, 0xff, 100},
641 {EM2874_R80_GPIO_P0_CTRL, 0xb2, 0xff, 50},
642 {EM2874_R80_GPIO_P0_CTRL, 0xb6, 0xff, 100},
645 struct em28xx_reg_seq terratec_htc_usb_xs_end[] = {
646 {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 100},
647 {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 50},
648 {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100},
653 * Init the analog decoder (not yet supported), but
654 * it's probably still a good idea.
660 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
662 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
664 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
665 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
667 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
670 {{ 0x00, 0x04, 0x00, 0x0a }, 4},
672 {{ 0x04, 0x14, 0x00, 0x00 }, 4},
675 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
677 em28xx_gpio_set(dev, terratec_htc_usb_xs_init);
679 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
681 em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
684 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
686 for (i = 0; i < ARRAY_SIZE(regs); i++)
687 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
689 em28xx_gpio_set(dev, terratec_htc_usb_xs_end);
692 static void pctv_520e_init(struct em28xx *dev)
695 * Init AVF4910B analog decoder. Looks like I2C traffic to
696 * digital demodulator and tuner are routed via AVF4910B.
703 {{ 0x06, 0x02, 0x00, 0x31 }, 4},
705 {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
707 {{ 0x01, 0x00, 0xff, 0xaf }, 4},
708 {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
710 {{ 0x01, 0x00, 0x73, 0xaf }, 4},
713 dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; /* 0x41 */
715 for (i = 0; i < ARRAY_SIZE(regs); i++)
716 i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
719 static int em28xx_pctv_290e_set_lna(struct dvb_frontend *fe)
721 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
722 struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
723 struct em28xx *dev = i2c_bus->dev;
724 #ifdef CONFIG_GPIOLIB
725 struct em28xx_dvb *dvb = dev->dvb;
730 flags = GPIOF_OUT_INIT_HIGH; /* enable LNA */
732 flags = GPIOF_OUT_INIT_LOW; /* disable LNA */
734 ret = gpio_request_one(dvb->lna_gpio, flags, NULL);
736 em28xx_errdev("gpio request failed %d\n", ret);
738 gpio_free(dvb->lna_gpio);
742 dev_warn(&dev->udev->dev, "%s: LNA control is disabled (lna=%u)\n",
743 KBUILD_MODNAME, c->lna);
748 static int em28xx_pctv_292e_set_lna(struct dvb_frontend *fe)
750 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
751 struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
752 struct em28xx *dev = i2c_bus->dev;
760 return em28xx_write_reg_bits(dev, EM2874_R80_GPIO_P0_CTRL, lna, 0x01);
763 static int em28xx_mt352_terratec_xs_init(struct dvb_frontend *fe)
765 /* Values extracted from a USB trace of the Terratec Windows driver */
766 static u8 clock_config[] = { CLOCK_CTL, 0x38, 0x2c };
767 static u8 reset[] = { RESET, 0x80 };
768 static u8 adc_ctl_1_cfg[] = { ADC_CTL_1, 0x40 };
769 static u8 agc_cfg[] = { AGC_TARGET, 0x28, 0xa0 };
770 static u8 input_freq_cfg[] = { INPUT_FREQ_1, 0x31, 0xb8 };
771 static u8 rs_err_cfg[] = { RS_ERR_PER_1, 0x00, 0x4d };
772 static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
773 static u8 trl_nom_cfg[] = { TRL_NOMINAL_RATE_1, 0x64, 0x00 };
774 static u8 tps_given_cfg[] = { TPS_GIVEN_1, 0x40, 0x80, 0x50 };
775 static u8 tuner_go[] = { TUNER_GO, 0x01};
777 mt352_write(fe, clock_config, sizeof(clock_config));
779 mt352_write(fe, reset, sizeof(reset));
780 mt352_write(fe, adc_ctl_1_cfg, sizeof(adc_ctl_1_cfg));
781 mt352_write(fe, agc_cfg, sizeof(agc_cfg));
782 mt352_write(fe, input_freq_cfg, sizeof(input_freq_cfg));
783 mt352_write(fe, rs_err_cfg, sizeof(rs_err_cfg));
784 mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
785 mt352_write(fe, trl_nom_cfg, sizeof(trl_nom_cfg));
786 mt352_write(fe, tps_given_cfg, sizeof(tps_given_cfg));
787 mt352_write(fe, tuner_go, sizeof(tuner_go));
791 static struct mt352_config terratec_xs_mt352_cfg = {
792 .demod_address = (0x1e >> 1),
795 .demod_init = em28xx_mt352_terratec_xs_init,
798 static struct tda10023_config em28xx_tda10023_config = {
799 .demod_address = 0x0c,
803 static struct cxd2820r_config em28xx_cxd2820r_config = {
804 .i2c_address = (0xd8 >> 1),
805 .ts_mode = CXD2820R_TS_SERIAL,
808 static struct tda18271_config em28xx_cxd2820r_tda18271_config = {
809 .output_opt = TDA18271_OUTPUT_LT_OFF,
810 .gate = TDA18271_GATE_DIGITAL,
813 static const struct tda10071_config em28xx_tda10071_config = {
814 .demod_i2c_addr = 0x55, /* (0xaa >> 1) */
815 .tuner_i2c_addr = 0x14,
817 .ts_mode = TDA10071_TS_SERIAL,
819 .xtal = 40444000, /* 40.444 MHz */
820 .pll_multiplier = 20,
823 static const struct a8293_config em28xx_a8293_config = {
824 .i2c_addr = 0x08, /* (0x10 >> 1) */
827 static struct zl10353_config em28xx_zl10353_no_i2c_gate_dev = {
828 .demod_address = (0x1e >> 1),
829 .disable_i2c_gate_ctrl = 1,
833 static struct qt1010_config em28xx_qt1010_config = {
837 static const struct mb86a20s_config c3tech_duo_mb86a20s_config = {
838 .demod_address = 0x10,
842 static struct tda18271_std_map mb86a20s_tda18271_config = {
843 .dvbt_6 = { .if_freq = 4000, .agc_mode = 3, .std = 4,
844 .if_lvl = 1, .rfagc_top = 0x37, },
847 static struct tda18271_config c3tech_duo_tda18271_config = {
848 .std_map = &mb86a20s_tda18271_config,
849 .gate = TDA18271_GATE_DIGITAL,
850 .small_i2c = TDA18271_03_BYTE_CHUNK_INIT,
853 static const struct m88ds3103_config pctv_461e_m88ds3103_config = {
858 .ts_mode = M88DS3103_TS_PARALLEL,
865 static struct tda18271_std_map drx_j_std_map = {
866 .atsc_6 = { .if_freq = 5000, .agc_mode = 3, .std = 0, .if_lvl = 1,
867 .rfagc_top = 0x37, },
868 .qam_6 = { .if_freq = 5380, .agc_mode = 3, .std = 3, .if_lvl = 1,
869 .rfagc_top = 0x37, },
872 static struct tda18271_config pinnacle_80e_dvb_config = {
873 .std_map = &drx_j_std_map,
874 .gate = TDA18271_GATE_DIGITAL,
875 .role = TDA18271_MASTER,
878 /* ------------------------------------------------------------------ */
880 static int em28xx_attach_xc3028(u8 addr, struct em28xx *dev)
882 struct dvb_frontend *fe;
883 struct xc2028_config cfg;
884 struct xc2028_ctrl ctl;
886 memset(&cfg, 0, sizeof(cfg));
887 cfg.i2c_adap = &dev->i2c_adap[dev->def_i2c_bus];
890 memset(&ctl, 0, sizeof(ctl));
891 em28xx_setup_xc3028(dev, &ctl);
894 if (!dev->dvb->fe[0]) {
895 em28xx_errdev("/2: dvb frontend not attached. "
896 "Can't attach xc3028\n");
900 fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg);
902 em28xx_errdev("/2: xc3028 attach failed\n");
903 dvb_frontend_detach(dev->dvb->fe[0]);
904 dev->dvb->fe[0] = NULL;
908 em28xx_info("%s/2: xc3028 attached\n", dev->name);
913 /* ------------------------------------------------------------------ */
915 static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
916 struct em28xx *dev, struct device *device)
920 mutex_init(&dvb->lock);
922 /* register adapter */
923 result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,
926 printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n",
931 /* Ensure all frontends negotiate bus access */
932 dvb->fe[0]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
934 dvb->fe[1]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
936 dvb->adapter.priv = &dev->i2c_bus[dev->def_i2c_bus];
938 /* register frontend */
939 result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]);
941 printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n",
946 /* register 2nd frontend */
948 result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]);
950 printk(KERN_WARNING "%s: 2nd dvb_register_frontend failed (errno = %d)\n",
956 /* register demux stuff */
957 dvb->demux.dmx.capabilities =
958 DMX_TS_FILTERING | DMX_SECTION_FILTERING |
959 DMX_MEMORY_BASED_FILTERING;
960 dvb->demux.priv = dvb;
961 dvb->demux.filternum = 256;
962 dvb->demux.feednum = 256;
963 dvb->demux.start_feed = em28xx_start_feed;
964 dvb->demux.stop_feed = em28xx_stop_feed;
966 result = dvb_dmx_init(&dvb->demux);
968 printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n",
973 dvb->dmxdev.filternum = 256;
974 dvb->dmxdev.demux = &dvb->demux.dmx;
975 dvb->dmxdev.capabilities = 0;
976 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
978 printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n",
983 dvb->fe_hw.source = DMX_FRONTEND_0;
984 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
986 printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
991 dvb->fe_mem.source = DMX_MEMORY_FE;
992 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
994 printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
999 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
1001 printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n",
1006 /* register network adapter */
1007 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
1011 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
1013 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
1015 dvb_dmxdev_release(&dvb->dmxdev);
1017 dvb_dmx_release(&dvb->demux);
1020 dvb_unregister_frontend(dvb->fe[1]);
1021 dvb_unregister_frontend(dvb->fe[0]);
1024 dvb_frontend_detach(dvb->fe[1]);
1026 dvb_frontend_detach(dvb->fe[0]);
1027 dvb_unregister_adapter(&dvb->adapter);
1032 static void em28xx_unregister_dvb(struct em28xx_dvb *dvb)
1034 dvb_net_release(&dvb->net);
1035 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
1036 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
1037 dvb_dmxdev_release(&dvb->dmxdev);
1038 dvb_dmx_release(&dvb->demux);
1040 dvb_unregister_frontend(dvb->fe[1]);
1041 dvb_unregister_frontend(dvb->fe[0]);
1042 if (dvb->fe[1] && !dvb->dont_attach_fe1)
1043 dvb_frontend_detach(dvb->fe[1]);
1044 dvb_frontend_detach(dvb->fe[0]);
1045 dvb_unregister_adapter(&dvb->adapter);
1048 static int em28xx_dvb_init(struct em28xx *dev)
1050 int result = 0, mfe_shared = 0;
1051 struct em28xx_dvb *dvb;
1053 if (dev->is_audio_only) {
1054 /* Shouldn't initialize IR for this interface */
1058 if (!dev->board.has_dvb) {
1059 /* This device does not support the extension */
1063 em28xx_info("Binding DVB extension\n");
1065 dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL);
1067 em28xx_info("em28xx_dvb: memory allocation failed\n");
1071 dvb->fe[0] = dvb->fe[1] = NULL;
1073 /* pre-allocate DVB usb transfer buffers */
1074 if (dev->dvb_xfer_bulk) {
1075 result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE,
1077 EM28XX_DVB_NUM_BUFS,
1079 EM28XX_DVB_BULK_PACKET_MULTIPLIER);
1081 result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE,
1083 EM28XX_DVB_NUM_BUFS,
1084 dev->dvb_max_pkt_size_isoc,
1085 EM28XX_DVB_NUM_ISOC_PACKETS);
1088 em28xx_errdev("em28xx_dvb: failed to pre-allocate USB transfer buffers for DVB.\n");
1094 mutex_lock(&dev->lock);
1095 em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
1097 switch (dev->model) {
1098 case EM2874_BOARD_LEADERSHIP_ISDBT:
1099 dvb->fe[0] = dvb_attach(s921_attach,
1100 &sharp_isdbt, &dev->i2c_adap[dev->def_i2c_bus]);
1108 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850:
1109 case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950:
1110 case EM2880_BOARD_PINNACLE_PCTV_HD_PRO:
1111 case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600:
1112 dvb->fe[0] = dvb_attach(lgdt330x_attach,
1113 &em2880_lgdt3303_dev,
1114 &dev->i2c_adap[dev->def_i2c_bus]);
1115 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1120 case EM2880_BOARD_KWORLD_DVB_310U:
1121 dvb->fe[0] = dvb_attach(zl10353_attach,
1122 &em28xx_zl10353_with_xc3028,
1123 &dev->i2c_adap[dev->def_i2c_bus]);
1124 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1129 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
1130 case EM2882_BOARD_TERRATEC_HYBRID_XS:
1131 case EM2880_BOARD_EMPIRE_DUAL_TV:
1132 dvb->fe[0] = dvb_attach(zl10353_attach,
1133 &em28xx_zl10353_xc3028_no_i2c_gate,
1134 &dev->i2c_adap[dev->def_i2c_bus]);
1135 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1140 case EM2880_BOARD_TERRATEC_HYBRID_XS:
1141 case EM2880_BOARD_TERRATEC_HYBRID_XS_FR:
1142 case EM2881_BOARD_PINNACLE_HYBRID_PRO:
1143 case EM2882_BOARD_DIKOM_DK300:
1144 case EM2882_BOARD_KWORLD_VS_DVBT:
1145 dvb->fe[0] = dvb_attach(zl10353_attach,
1146 &em28xx_zl10353_xc3028_no_i2c_gate,
1147 &dev->i2c_adap[dev->def_i2c_bus]);
1148 if (dvb->fe[0] == NULL) {
1149 /* This board could have either a zl10353 or a mt352.
1150 If the chip id isn't for zl10353, try mt352 */
1151 dvb->fe[0] = dvb_attach(mt352_attach,
1152 &terratec_xs_mt352_cfg,
1153 &dev->i2c_adap[dev->def_i2c_bus]);
1156 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1161 case EM2870_BOARD_KWORLD_355U:
1162 dvb->fe[0] = dvb_attach(zl10353_attach,
1163 &em28xx_zl10353_no_i2c_gate_dev,
1164 &dev->i2c_adap[dev->def_i2c_bus]);
1165 if (dvb->fe[0] != NULL)
1166 dvb_attach(qt1010_attach, dvb->fe[0],
1167 &dev->i2c_adap[dev->def_i2c_bus], &em28xx_qt1010_config);
1169 case EM2883_BOARD_KWORLD_HYBRID_330U:
1170 case EM2882_BOARD_EVGA_INDTUBE:
1171 dvb->fe[0] = dvb_attach(s5h1409_attach,
1172 &em28xx_s5h1409_with_xc3028,
1173 &dev->i2c_adap[dev->def_i2c_bus]);
1174 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1179 case EM2882_BOARD_KWORLD_ATSC_315U:
1180 dvb->fe[0] = dvb_attach(lgdt330x_attach,
1181 &em2880_lgdt3303_dev,
1182 &dev->i2c_adap[dev->def_i2c_bus]);
1183 if (dvb->fe[0] != NULL) {
1184 if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
1185 &dev->i2c_adap[dev->def_i2c_bus], 0x61, TUNER_THOMSON_DTT761X)) {
1191 case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2:
1192 case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E:
1193 dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL,
1194 &dev->i2c_adap[dev->def_i2c_bus], &dev->udev->dev);
1195 if (em28xx_attach_xc3028(0x61, dev) < 0) {
1200 case EM2870_BOARD_REDDO_DVB_C_USB_BOX:
1201 /* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */
1202 dvb->fe[0] = dvb_attach(tda10023_attach,
1203 &em28xx_tda10023_config,
1204 &dev->i2c_adap[dev->def_i2c_bus], 0x48);
1206 if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
1207 &dev->i2c_adap[dev->def_i2c_bus], 0x60, TUNER_PHILIPS_CU1216L)) {
1213 case EM2870_BOARD_KWORLD_A340:
1214 dvb->fe[0] = dvb_attach(lgdt3305_attach,
1215 &em2870_lgdt3304_dev,
1216 &dev->i2c_adap[dev->def_i2c_bus]);
1221 if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1222 &dev->i2c_adap[dev->def_i2c_bus],
1223 &kworld_a340_config)) {
1224 dvb_frontend_detach(dvb->fe[0]);
1229 case EM28174_BOARD_PCTV_290E:
1230 /* set default GPIO0 for LNA, used if GPIOLIB is undefined */
1231 dvb->lna_gpio = CXD2820R_GPIO_E | CXD2820R_GPIO_O |
1233 dvb->fe[0] = dvb_attach(cxd2820r_attach,
1234 &em28xx_cxd2820r_config,
1235 &dev->i2c_adap[dev->def_i2c_bus],
1238 /* FE 0 attach tuner */
1239 if (!dvb_attach(tda18271_attach,
1242 &dev->i2c_adap[dev->def_i2c_bus],
1243 &em28xx_cxd2820r_tda18271_config)) {
1245 dvb_frontend_detach(dvb->fe[0]);
1250 #ifdef CONFIG_GPIOLIB
1251 /* enable LNA for DVB-T, DVB-T2 and DVB-C */
1252 result = gpio_request_one(dvb->lna_gpio,
1253 GPIOF_OUT_INIT_LOW, NULL);
1255 em28xx_errdev("gpio request failed %d\n",
1258 gpio_free(dvb->lna_gpio);
1260 result = 0; /* continue even set LNA fails */
1262 dvb->fe[0]->ops.set_lna = em28xx_pctv_290e_set_lna;
1266 case EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C:
1268 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 si2168_config.i2c_adapter = &adapter;
1557 si2168_config.fe = &dvb->fe[0];
1558 si2168_config.ts_mode = SI2168_TS_PARALLEL;
1559 memset(&info, 0, sizeof(struct i2c_board_info));
1560 strlcpy(info.type, "si2168", I2C_NAME_SIZE);
1562 info.platform_data = &si2168_config;
1563 request_module(info.type);
1564 client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info);
1565 if (client == NULL || client->dev.driver == NULL) {
1570 if (!try_module_get(client->dev.driver->owner)) {
1571 i2c_unregister_device(client);
1576 dvb->i2c_client_demod = client;
1579 memset(&si2157_config, 0, sizeof(si2157_config));
1580 si2157_config.fe = dvb->fe[0];
1581 memset(&info, 0, sizeof(struct i2c_board_info));
1582 strlcpy(info.type, "si2157", I2C_NAME_SIZE);
1584 info.platform_data = &si2157_config;
1585 request_module(info.type);
1586 client = i2c_new_device(adapter, &info);
1587 if (client == NULL || client->dev.driver == NULL) {
1588 module_put(dvb->i2c_client_demod->dev.driver->owner);
1589 i2c_unregister_device(dvb->i2c_client_demod);
1594 if (!try_module_get(client->dev.driver->owner)) {
1595 i2c_unregister_device(client);
1596 module_put(dvb->i2c_client_demod->dev.driver->owner);
1597 i2c_unregister_device(dvb->i2c_client_demod);
1602 dvb->i2c_client_tuner = client;
1603 dvb->fe[0]->ops.set_lna = em28xx_pctv_292e_set_lna;
1607 em28xx_errdev("/2: The frontend of your DVB/ATSC card"
1608 " isn't supported yet\n");
1611 if (NULL == dvb->fe[0]) {
1612 em28xx_errdev("/2: frontend initialization failed\n");
1616 /* define general-purpose callback pointer */
1617 dvb->fe[0]->callback = em28xx_tuner_callback;
1619 dvb->fe[1]->callback = em28xx_tuner_callback;
1621 /* register everything */
1622 result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
1628 dvb->adapter.mfe_shared = mfe_shared;
1630 em28xx_info("DVB extension successfully initialized\n");
1632 kref_get(&dev->ref);
1635 em28xx_set_mode(dev, EM28XX_SUSPEND);
1636 mutex_unlock(&dev->lock);
1645 static inline void prevent_sleep(struct dvb_frontend_ops *ops)
1647 ops->set_voltage = NULL;
1649 ops->tuner_ops.sleep = NULL;
1652 static int em28xx_dvb_fini(struct em28xx *dev)
1654 struct em28xx_dvb *dvb;
1655 struct i2c_client *client;
1657 if (dev->is_audio_only) {
1658 /* Shouldn't initialize IR for this interface */
1662 if (!dev->board.has_dvb) {
1663 /* This device does not support the extension */
1670 em28xx_info("Closing DVB extension");
1673 client = dvb->i2c_client_tuner;
1675 em28xx_uninit_usb_xfer(dev, EM28XX_DIGITAL_MODE);
1677 if (dev->disconnected) {
1678 /* We cannot tell the device to sleep
1679 * once it has been unplugged. */
1681 prevent_sleep(&dvb->fe[0]->ops);
1682 dvb->fe[0]->exit = DVB_FE_DEVICE_REMOVED;
1685 prevent_sleep(&dvb->fe[1]->ops);
1686 dvb->fe[1]->exit = DVB_FE_DEVICE_REMOVED;
1690 /* remove I2C tuner */
1692 module_put(client->dev.driver->owner);
1693 i2c_unregister_device(client);
1696 /* remove I2C demod */
1697 client = dvb->i2c_client_demod;
1699 module_put(client->dev.driver->owner);
1700 i2c_unregister_device(client);
1703 em28xx_unregister_dvb(dvb);
1706 kref_put(&dev->ref, em28xx_free_device);
1711 static int em28xx_dvb_suspend(struct em28xx *dev)
1715 if (dev->is_audio_only)
1718 if (!dev->board.has_dvb)
1721 em28xx_info("Suspending DVB extension");
1723 struct em28xx_dvb *dvb = dev->dvb;
1726 ret = dvb_frontend_suspend(dvb->fe[0]);
1727 em28xx_info("fe0 suspend %d", ret);
1730 dvb_frontend_suspend(dvb->fe[1]);
1731 em28xx_info("fe1 suspend %d", ret);
1738 static int em28xx_dvb_resume(struct em28xx *dev)
1742 if (dev->is_audio_only)
1745 if (!dev->board.has_dvb)
1748 em28xx_info("Resuming DVB extension");
1750 struct em28xx_dvb *dvb = dev->dvb;
1753 ret = dvb_frontend_resume(dvb->fe[0]);
1754 em28xx_info("fe0 resume %d", ret);
1758 ret = dvb_frontend_resume(dvb->fe[1]);
1759 em28xx_info("fe1 resume %d", ret);
1766 static struct em28xx_ops dvb_ops = {
1768 .name = "Em28xx dvb Extension",
1769 .init = em28xx_dvb_init,
1770 .fini = em28xx_dvb_fini,
1771 .suspend = em28xx_dvb_suspend,
1772 .resume = em28xx_dvb_resume,
1775 static int __init em28xx_dvb_register(void)
1777 return em28xx_register_extension(&dvb_ops);
1780 static void __exit em28xx_dvb_unregister(void)
1782 em28xx_unregister_extension(&dvb_ops);
1785 module_init(em28xx_dvb_register);
1786 module_exit(em28xx_dvb_unregister);