|  | // SPDX-License-Identifier: GPL-2.0 | 
|  | // | 
|  | // DVB device driver for em28xx | 
|  | // | 
|  | // (c) 2008-2011 Mauro Carvalho Chehab <[email protected]> | 
|  | // | 
|  | // (c) 2008 Devin Heitmueller <[email protected]> | 
|  | //	- Fixes for the driver to properly work with HVR-950 | 
|  | //	- Fixes for the driver to properly work with Pinnacle PCTV HD Pro Stick | 
|  | //	- Fixes for the driver to properly work with AMD ATI TV Wonder HD 600 | 
|  | // | 
|  | // (c) 2008 Aidan Thornton <[email protected]> | 
|  | // | 
|  | // (c) 2012 Frank Schäfer <[email protected]> | 
|  | // | 
|  | // Based on cx88-dvb, saa7134-dvb and videobuf-dvb originally written by: | 
|  | //	(c) 2004, 2005 Chris Pascoe <[email protected]> | 
|  | //	(c) 2004 Gerd Knorr <[email protected]> [SuSE Labs] | 
|  | // | 
|  | // This program is free software; you can redistribute it and/or modify | 
|  | // it under the terms of the GNU General Public License as published by | 
|  | // the Free Software Foundation version 2 of the License. | 
|  |  | 
|  | #include "em28xx.h" | 
|  |  | 
|  | #include <linux/kernel.h> | 
|  | #include <linux/slab.h> | 
|  | #include <linux/usb.h> | 
|  |  | 
|  | #include <media/v4l2-common.h> | 
|  | #include <media/dvb_demux.h> | 
|  | #include <media/dvb_net.h> | 
|  | #include <media/dmxdev.h> | 
|  | #include <media/tuner.h> | 
|  | #include "tuner-simple.h" | 
|  | #include <linux/gpio.h> | 
|  |  | 
|  | #include "lgdt330x.h" | 
|  | #include "lgdt3305.h" | 
|  | #include "lgdt3306a.h" | 
|  | #include "zl10353.h" | 
|  | #include "s5h1409.h" | 
|  | #include "mt2060.h" | 
|  | #include "mt352.h" | 
|  | #include "mt352_priv.h" /* FIXME */ | 
|  | #include "tda1002x.h" | 
|  | #include "drx39xyj/drx39xxj.h" | 
|  | #include "tda18271.h" | 
|  | #include "s921.h" | 
|  | #include "drxd.h" | 
|  | #include "cxd2820r.h" | 
|  | #include "tda18271c2dd.h" | 
|  | #include "drxk.h" | 
|  | #include "tda10071.h" | 
|  | #include "tda18212.h" | 
|  | #include "a8293.h" | 
|  | #include "qt1010.h" | 
|  | #include "mb86a20s.h" | 
|  | #include "m88ds3103.h" | 
|  | #include "ts2020.h" | 
|  | #include "si2168.h" | 
|  | #include "si2157.h" | 
|  | #include "tc90522.h" | 
|  | #include "qm1d1c0042.h" | 
|  |  | 
|  | MODULE_AUTHOR("Mauro Carvalho Chehab <[email protected]>"); | 
|  | MODULE_LICENSE("GPL v2"); | 
|  | MODULE_DESCRIPTION(DRIVER_DESC " - digital TV interface"); | 
|  | MODULE_VERSION(EM28XX_VERSION); | 
|  |  | 
|  | static unsigned int debug; | 
|  | module_param(debug, int, 0644); | 
|  | MODULE_PARM_DESC(debug, "enable debug messages [dvb]"); | 
|  |  | 
|  | DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); | 
|  |  | 
|  | #define dprintk(level, fmt, arg...) do {				\ | 
|  | if (debug >= level)						\ | 
|  | dev_printk(KERN_DEBUG, &dev->intf->dev,			\ | 
|  | "dvb: " fmt, ## arg);			\ | 
|  | } while (0) | 
|  |  | 
|  | struct em28xx_dvb { | 
|  | struct dvb_frontend        *fe[2]; | 
|  |  | 
|  | /* feed count management */ | 
|  | struct mutex               lock; | 
|  | int                        nfeeds; | 
|  |  | 
|  | /* general boilerplate stuff */ | 
|  | struct dvb_adapter         adapter; | 
|  | struct dvb_demux           demux; | 
|  | struct dmxdev              dmxdev; | 
|  | struct dmx_frontend        fe_hw; | 
|  | struct dmx_frontend        fe_mem; | 
|  | struct dvb_net             net; | 
|  |  | 
|  | /* Due to DRX-K - probably need changes */ | 
|  | int (*gate_ctrl)(struct dvb_frontend *fe, int gate); | 
|  | struct semaphore      pll_mutex; | 
|  | bool			dont_attach_fe1; | 
|  | int			lna_gpio; | 
|  | struct i2c_client	*i2c_client_demod; | 
|  | struct i2c_client	*i2c_client_tuner; | 
|  | struct i2c_client	*i2c_client_sec; | 
|  | }; | 
|  |  | 
|  | static inline void print_err_status(struct em28xx *dev, | 
|  | int packet, int status) | 
|  | { | 
|  | char *errmsg = "Unknown"; | 
|  |  | 
|  | switch (status) { | 
|  | case -ENOENT: | 
|  | errmsg = "unlinked synchronously"; | 
|  | break; | 
|  | case -ECONNRESET: | 
|  | errmsg = "unlinked asynchronously"; | 
|  | break; | 
|  | case -ENOSR: | 
|  | errmsg = "Buffer error (overrun)"; | 
|  | break; | 
|  | case -EPIPE: | 
|  | errmsg = "Stalled (device not responding)"; | 
|  | break; | 
|  | case -EOVERFLOW: | 
|  | errmsg = "Babble (bad cable?)"; | 
|  | break; | 
|  | case -EPROTO: | 
|  | errmsg = "Bit-stuff error (bad cable?)"; | 
|  | break; | 
|  | case -EILSEQ: | 
|  | errmsg = "CRC/Timeout (could be anything)"; | 
|  | break; | 
|  | case -ETIME: | 
|  | errmsg = "Device does not respond"; | 
|  | break; | 
|  | } | 
|  | if (packet < 0) { | 
|  | dprintk(1, "URB status %d [%s].\n", status, errmsg); | 
|  | } else { | 
|  | dprintk(1, "URB packet %d, status %d [%s].\n", | 
|  | packet, status, errmsg); | 
|  | } | 
|  | } | 
|  |  | 
|  | static inline int em28xx_dvb_urb_data_copy(struct em28xx *dev, struct urb *urb) | 
|  | { | 
|  | int xfer_bulk, num_packets, i; | 
|  |  | 
|  | if (!dev) | 
|  | return 0; | 
|  |  | 
|  | if (dev->disconnected) | 
|  | return 0; | 
|  |  | 
|  | if (urb->status < 0) | 
|  | print_err_status(dev, -1, urb->status); | 
|  |  | 
|  | xfer_bulk = usb_pipebulk(urb->pipe); | 
|  |  | 
|  | if (xfer_bulk) /* bulk */ | 
|  | num_packets = 1; | 
|  | else /* isoc */ | 
|  | num_packets = urb->number_of_packets; | 
|  |  | 
|  | for (i = 0; i < num_packets; i++) { | 
|  | if (xfer_bulk) { | 
|  | if (urb->status < 0) { | 
|  | print_err_status(dev, i, urb->status); | 
|  | if (urb->status != -EPROTO) | 
|  | continue; | 
|  | } | 
|  | if (!urb->actual_length) | 
|  | continue; | 
|  | dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer, | 
|  | urb->actual_length); | 
|  | } else { | 
|  | if (urb->iso_frame_desc[i].status < 0) { | 
|  | print_err_status(dev, i, | 
|  | urb->iso_frame_desc[i].status); | 
|  | if (urb->iso_frame_desc[i].status != -EPROTO) | 
|  | continue; | 
|  | } | 
|  | if (!urb->iso_frame_desc[i].actual_length) | 
|  | continue; | 
|  | dvb_dmx_swfilter(&dev->dvb->demux, | 
|  | urb->transfer_buffer + | 
|  | urb->iso_frame_desc[i].offset, | 
|  | urb->iso_frame_desc[i].actual_length); | 
|  | } | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int em28xx_start_streaming(struct em28xx_dvb *dvb) | 
|  | { | 
|  | int rc; | 
|  | struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv; | 
|  | struct em28xx *dev = i2c_bus->dev; | 
|  | struct usb_device *udev = interface_to_usbdev(dev->intf); | 
|  | int dvb_max_packet_size, packet_multiplier, dvb_alt; | 
|  |  | 
|  | if (dev->dvb_xfer_bulk) { | 
|  | if (!dev->dvb_ep_bulk) | 
|  | return -ENODEV; | 
|  | dvb_max_packet_size = 512; /* USB 2.0 spec */ | 
|  | packet_multiplier = EM28XX_DVB_BULK_PACKET_MULTIPLIER; | 
|  | dvb_alt = 0; | 
|  | } else { /* isoc */ | 
|  | if (!dev->dvb_ep_isoc) | 
|  | return -ENODEV; | 
|  | dvb_max_packet_size = dev->dvb_max_pkt_size_isoc; | 
|  | if (dvb_max_packet_size < 0) | 
|  | return dvb_max_packet_size; | 
|  | packet_multiplier = EM28XX_DVB_NUM_ISOC_PACKETS; | 
|  | dvb_alt = dev->dvb_alt_isoc; | 
|  | } | 
|  |  | 
|  | if (!dev->board.has_dual_ts) | 
|  | usb_set_interface(udev, dev->ifnum, dvb_alt); | 
|  |  | 
|  | rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); | 
|  | if (rc < 0) | 
|  | return rc; | 
|  |  | 
|  | dprintk(1, "Using %d buffers each with %d x %d bytes, alternate %d\n", | 
|  | EM28XX_DVB_NUM_BUFS, | 
|  | packet_multiplier, | 
|  | dvb_max_packet_size, dvb_alt); | 
|  |  | 
|  | return em28xx_init_usb_xfer(dev, EM28XX_DIGITAL_MODE, | 
|  | dev->dvb_xfer_bulk, | 
|  | EM28XX_DVB_NUM_BUFS, | 
|  | dvb_max_packet_size, | 
|  | packet_multiplier, | 
|  | em28xx_dvb_urb_data_copy); | 
|  | } | 
|  |  | 
|  | static int em28xx_stop_streaming(struct em28xx_dvb *dvb) | 
|  | { | 
|  | struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv; | 
|  | struct em28xx *dev = i2c_bus->dev; | 
|  |  | 
|  | em28xx_stop_urbs(dev); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int em28xx_start_feed(struct dvb_demux_feed *feed) | 
|  | { | 
|  | struct dvb_demux *demux  = feed->demux; | 
|  | struct em28xx_dvb *dvb = demux->priv; | 
|  | int rc, ret; | 
|  |  | 
|  | if (!demux->dmx.frontend) | 
|  | return -EINVAL; | 
|  |  | 
|  | mutex_lock(&dvb->lock); | 
|  | dvb->nfeeds++; | 
|  | rc = dvb->nfeeds; | 
|  |  | 
|  | if (dvb->nfeeds == 1) { | 
|  | ret = em28xx_start_streaming(dvb); | 
|  | if (ret < 0) | 
|  | rc = ret; | 
|  | } | 
|  |  | 
|  | mutex_unlock(&dvb->lock); | 
|  | return rc; | 
|  | } | 
|  |  | 
|  | static int em28xx_stop_feed(struct dvb_demux_feed *feed) | 
|  | { | 
|  | struct dvb_demux *demux  = feed->demux; | 
|  | struct em28xx_dvb *dvb = demux->priv; | 
|  | int err = 0; | 
|  |  | 
|  | mutex_lock(&dvb->lock); | 
|  | dvb->nfeeds--; | 
|  |  | 
|  | if (!dvb->nfeeds) | 
|  | err = em28xx_stop_streaming(dvb); | 
|  |  | 
|  | mutex_unlock(&dvb->lock); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | /* ------------------------------------------------------------------ */ | 
|  | static int em28xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire) | 
|  | { | 
|  | struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv; | 
|  | struct em28xx *dev = i2c_bus->dev; | 
|  |  | 
|  | if (acquire) | 
|  | return em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); | 
|  | else | 
|  | return em28xx_set_mode(dev, EM28XX_SUSPEND); | 
|  | } | 
|  |  | 
|  | /* ------------------------------------------------------------------ */ | 
|  |  | 
|  | static struct lgdt330x_config em2880_lgdt3303_dev = { | 
|  | .demod_chip = LGDT3303, | 
|  | }; | 
|  |  | 
|  | static struct lgdt3305_config em2870_lgdt3304_dev = { | 
|  | .i2c_addr           = 0x0e, | 
|  | .demod_chip         = LGDT3304, | 
|  | .spectral_inversion = 1, | 
|  | .deny_i2c_rptr      = 1, | 
|  | .mpeg_mode          = LGDT3305_MPEG_PARALLEL, | 
|  | .tpclk_edge         = LGDT3305_TPCLK_FALLING_EDGE, | 
|  | .tpvalid_polarity   = LGDT3305_TP_VALID_HIGH, | 
|  | .vsb_if_khz         = 3250, | 
|  | .qam_if_khz         = 4000, | 
|  | }; | 
|  |  | 
|  | static struct lgdt3305_config em2874_lgdt3305_dev = { | 
|  | .i2c_addr           = 0x0e, | 
|  | .demod_chip         = LGDT3305, | 
|  | .spectral_inversion = 1, | 
|  | .deny_i2c_rptr      = 0, | 
|  | .mpeg_mode          = LGDT3305_MPEG_SERIAL, | 
|  | .tpclk_edge         = LGDT3305_TPCLK_FALLING_EDGE, | 
|  | .tpvalid_polarity   = LGDT3305_TP_VALID_HIGH, | 
|  | .vsb_if_khz         = 3250, | 
|  | .qam_if_khz         = 4000, | 
|  | }; | 
|  |  | 
|  | static struct lgdt3305_config em2874_lgdt3305_nogate_dev = { | 
|  | .i2c_addr           = 0x0e, | 
|  | .demod_chip         = LGDT3305, | 
|  | .spectral_inversion = 1, | 
|  | .deny_i2c_rptr      = 1, | 
|  | .mpeg_mode          = LGDT3305_MPEG_SERIAL, | 
|  | .tpclk_edge         = LGDT3305_TPCLK_FALLING_EDGE, | 
|  | .tpvalid_polarity   = LGDT3305_TP_VALID_HIGH, | 
|  | .vsb_if_khz         = 3600, | 
|  | .qam_if_khz         = 3600, | 
|  | }; | 
|  |  | 
|  | static struct s921_config sharp_isdbt = { | 
|  | .demod_address = 0x30 >> 1 | 
|  | }; | 
|  |  | 
|  | static struct zl10353_config em28xx_zl10353_with_xc3028 = { | 
|  | .demod_address = (0x1e >> 1), | 
|  | .no_tuner = 1, | 
|  | .parallel_ts = 1, | 
|  | .if2 = 45600, | 
|  | }; | 
|  |  | 
|  | static struct s5h1409_config em28xx_s5h1409_with_xc3028 = { | 
|  | .demod_address = 0x32 >> 1, | 
|  | .output_mode   = S5H1409_PARALLEL_OUTPUT, | 
|  | .gpio          = S5H1409_GPIO_OFF, | 
|  | .inversion     = S5H1409_INVERSION_OFF, | 
|  | .status_mode   = S5H1409_DEMODLOCKING, | 
|  | .mpeg_timing   = S5H1409_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK | 
|  | }; | 
|  |  | 
|  | static struct tda18271_std_map kworld_a340_std_map = { | 
|  | .atsc_6   = { .if_freq = 3250, .agc_mode = 3, .std = 0, | 
|  | .if_lvl = 1, .rfagc_top = 0x37, }, | 
|  | .qam_6    = { .if_freq = 4000, .agc_mode = 3, .std = 1, | 
|  | .if_lvl = 1, .rfagc_top = 0x37, }, | 
|  | }; | 
|  |  | 
|  | static struct tda18271_config kworld_a340_config = { | 
|  | .std_map           = &kworld_a340_std_map, | 
|  | }; | 
|  |  | 
|  | static struct tda18271_config kworld_ub435q_v2_config = { | 
|  | .std_map	= &kworld_a340_std_map, | 
|  | .gate		= TDA18271_GATE_DIGITAL, | 
|  | }; | 
|  |  | 
|  | static struct tda18212_config kworld_ub435q_v3_config = { | 
|  | .if_atsc_vsb	= 3600, | 
|  | .if_atsc_qam	= 3600, | 
|  | }; | 
|  |  | 
|  | static struct zl10353_config em28xx_zl10353_xc3028_no_i2c_gate = { | 
|  | .demod_address = (0x1e >> 1), | 
|  | .no_tuner = 1, | 
|  | .disable_i2c_gate_ctrl = 1, | 
|  | .parallel_ts = 1, | 
|  | .if2 = 45600, | 
|  | }; | 
|  |  | 
|  | static struct drxd_config em28xx_drxd = { | 
|  | .demod_address = 0x70, | 
|  | .demod_revision = 0xa2, | 
|  | .pll_type = DRXD_PLL_NONE, | 
|  | .clock = 12000, | 
|  | .insert_rs_byte = 1, | 
|  | .IF = 42800000, | 
|  | .disable_i2c_gate_ctrl = 1, | 
|  | }; | 
|  |  | 
|  | static struct drxk_config terratec_h5_drxk = { | 
|  | .adr = 0x29, | 
|  | .single_master = 1, | 
|  | .no_i2c_bridge = 1, | 
|  | .microcode_name = "dvb-usb-terratec-h5-drxk.fw", | 
|  | .qam_demod_parameter_count = 2, | 
|  | }; | 
|  |  | 
|  | static struct drxk_config hauppauge_930c_drxk = { | 
|  | .adr = 0x29, | 
|  | .single_master = 1, | 
|  | .no_i2c_bridge = 1, | 
|  | .microcode_name = "dvb-usb-hauppauge-hvr930c-drxk.fw", | 
|  | .chunk_size = 56, | 
|  | .qam_demod_parameter_count = 2, | 
|  | }; | 
|  |  | 
|  | static struct drxk_config terratec_htc_stick_drxk = { | 
|  | .adr = 0x29, | 
|  | .single_master = 1, | 
|  | .no_i2c_bridge = 1, | 
|  | .microcode_name = "dvb-usb-terratec-htc-stick-drxk.fw", | 
|  | .chunk_size = 54, | 
|  | .qam_demod_parameter_count = 2, | 
|  | /* Required for the antenna_gpio to disable LNA. */ | 
|  | .antenna_dvbt = true, | 
|  | /* The windows driver uses the same. This will disable LNA. */ | 
|  | .antenna_gpio = 0x6, | 
|  | }; | 
|  |  | 
|  | static struct drxk_config maxmedia_ub425_tc_drxk = { | 
|  | .adr = 0x29, | 
|  | .single_master = 1, | 
|  | .no_i2c_bridge = 1, | 
|  | .microcode_name = "dvb-demod-drxk-01.fw", | 
|  | .chunk_size = 62, | 
|  | .qam_demod_parameter_count = 2, | 
|  | }; | 
|  |  | 
|  | static struct drxk_config pctv_520e_drxk = { | 
|  | .adr = 0x29, | 
|  | .single_master = 1, | 
|  | .microcode_name = "dvb-demod-drxk-pctv.fw", | 
|  | .qam_demod_parameter_count = 2, | 
|  | .chunk_size = 58, | 
|  | .antenna_dvbt = true, /* disable LNA */ | 
|  | .antenna_gpio = (1 << 2), /* disable LNA */ | 
|  | }; | 
|  |  | 
|  | static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable) | 
|  | { | 
|  | struct em28xx_dvb *dvb = fe->sec_priv; | 
|  | int status; | 
|  |  | 
|  | if (!dvb) | 
|  | return -EINVAL; | 
|  |  | 
|  | if (enable) { | 
|  | down(&dvb->pll_mutex); | 
|  | status = dvb->gate_ctrl(fe, 1); | 
|  | } else { | 
|  | status = dvb->gate_ctrl(fe, 0); | 
|  | up(&dvb->pll_mutex); | 
|  | } | 
|  | return status; | 
|  | } | 
|  |  | 
|  | static void hauppauge_hvr930c_init(struct em28xx *dev) | 
|  | { | 
|  | int i; | 
|  |  | 
|  | static const struct em28xx_reg_seq hauppauge_hvr930c_init[] = { | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xff,	0xff,	0x65}, | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xfb,	0xff,	0x32}, | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xff,	0xff,	0xb8}, | 
|  | {	-1,			-1,	-1,	-1}, | 
|  | }; | 
|  | static const struct em28xx_reg_seq hauppauge_hvr930c_end[] = { | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xef,	0xff,	0x01}, | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xaf,	0xff,	0x65}, | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xef,	0xff,	0x76}, | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xef,	0xff,	0x01}, | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xcf,	0xff,	0x0b}, | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xef,	0xff,	0x40}, | 
|  |  | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xcf,	0xff,	0x65}, | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xef,	0xff,	0x65}, | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xcf,	0xff,	0x0b}, | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xef,	0xff,	0x65}, | 
|  |  | 
|  | {	-1,			-1,	-1,	-1}, | 
|  | }; | 
|  |  | 
|  | static const struct { | 
|  | unsigned char r[4]; | 
|  | int len; | 
|  | } regs[] = { | 
|  | {{ 0x06, 0x02, 0x00, 0x31 }, 4}, | 
|  | {{ 0x01, 0x02 }, 2}, | 
|  | {{ 0x01, 0x02, 0x00, 0xc6 }, 4}, | 
|  | {{ 0x01, 0x00 }, 2}, | 
|  | {{ 0x01, 0x00, 0xff, 0xaf }, 4}, | 
|  | {{ 0x01, 0x00, 0x03, 0xa0 }, 4}, | 
|  | {{ 0x01, 0x00 }, 2}, | 
|  | {{ 0x01, 0x00, 0x73, 0xaf }, 4}, | 
|  | {{ 0x04, 0x00 }, 2}, | 
|  | {{ 0x00, 0x04 }, 2}, | 
|  | {{ 0x00, 0x04, 0x00, 0x0a }, 4}, | 
|  | {{ 0x04, 0x14 }, 2}, | 
|  | {{ 0x04, 0x14, 0x00, 0x00 }, 4}, | 
|  | }; | 
|  |  | 
|  | em28xx_gpio_set(dev, hauppauge_hvr930c_init); | 
|  | em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); | 
|  | usleep_range(10000, 11000); | 
|  | em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44); | 
|  | usleep_range(10000, 11000); | 
|  |  | 
|  | dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; | 
|  |  | 
|  | for (i = 0; i < ARRAY_SIZE(regs); i++) | 
|  | i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], | 
|  | regs[i].r, regs[i].len); | 
|  | em28xx_gpio_set(dev, hauppauge_hvr930c_end); | 
|  |  | 
|  | msleep(100); | 
|  |  | 
|  | em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44); | 
|  | msleep(30); | 
|  |  | 
|  | em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45); | 
|  | usleep_range(10000, 11000); | 
|  | } | 
|  |  | 
|  | static void terratec_h5_init(struct em28xx *dev) | 
|  | { | 
|  | int i; | 
|  | static const struct em28xx_reg_seq terratec_h5_init[] = { | 
|  | {EM2820_R08_GPIO_CTRL,		0xff,	0xff,	10}, | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xf6,	0xff,	100}, | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xf2,	0xff,	50}, | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xf6,	0xff,	100}, | 
|  | {	-1,			-1,	-1,	-1}, | 
|  | }; | 
|  | static const struct em28xx_reg_seq terratec_h5_end[] = { | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xe6,	0xff,	100}, | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xa6,	0xff,	50}, | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xe6,	0xff,	100}, | 
|  | {	-1,			-1,	-1,	-1}, | 
|  | }; | 
|  | static const struct { | 
|  | unsigned char r[4]; | 
|  | int len; | 
|  | } regs[] = { | 
|  | {{ 0x06, 0x02, 0x00, 0x31 }, 4}, | 
|  | {{ 0x01, 0x02 }, 2}, | 
|  | {{ 0x01, 0x02, 0x00, 0xc6 }, 4}, | 
|  | {{ 0x01, 0x00 }, 2}, | 
|  | {{ 0x01, 0x00, 0xff, 0xaf }, 4}, | 
|  | {{ 0x01, 0x00, 0x03, 0xa0 }, 4}, | 
|  | {{ 0x01, 0x00 }, 2}, | 
|  | {{ 0x01, 0x00, 0x73, 0xaf }, 4}, | 
|  | {{ 0x04, 0x00 }, 2}, | 
|  | {{ 0x00, 0x04 }, 2}, | 
|  | {{ 0x00, 0x04, 0x00, 0x0a }, 4}, | 
|  | {{ 0x04, 0x14 }, 2}, | 
|  | {{ 0x04, 0x14, 0x00, 0x00 }, 4}, | 
|  | }; | 
|  |  | 
|  | em28xx_gpio_set(dev, terratec_h5_init); | 
|  | em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); | 
|  | usleep_range(10000, 11000); | 
|  | em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45); | 
|  | usleep_range(10000, 11000); | 
|  |  | 
|  | dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; | 
|  |  | 
|  | for (i = 0; i < ARRAY_SIZE(regs); i++) | 
|  | i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], | 
|  | regs[i].r, regs[i].len); | 
|  | em28xx_gpio_set(dev, terratec_h5_end); | 
|  | }; | 
|  |  | 
|  | static void terratec_htc_stick_init(struct em28xx *dev) | 
|  | { | 
|  | int i; | 
|  |  | 
|  | /* | 
|  | * GPIO configuration: | 
|  | * 0xff: unknown (does not affect DVB-T). | 
|  | * 0xf6: DRX-K (demodulator). | 
|  | * 0xe6: unknown (does not affect DVB-T). | 
|  | * 0xb6: unknown (does not affect DVB-T). | 
|  | */ | 
|  | static const struct em28xx_reg_seq terratec_htc_stick_init[] = { | 
|  | {EM2820_R08_GPIO_CTRL,		0xff,	0xff,	10}, | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xf6,	0xff,	100}, | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xe6,	0xff,	50}, | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xf6,	0xff,	100}, | 
|  | {	-1,			-1,	-1,	-1}, | 
|  | }; | 
|  | static const struct em28xx_reg_seq terratec_htc_stick_end[] = { | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xb6,	0xff,	100}, | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xf6,	0xff,	50}, | 
|  | {	-1,			-1,	-1,	-1}, | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * Init the analog decoder (not yet supported), but | 
|  | * it's probably still a good idea. | 
|  | */ | 
|  | static const struct { | 
|  | unsigned char r[4]; | 
|  | int len; | 
|  | } regs[] = { | 
|  | {{ 0x06, 0x02, 0x00, 0x31 }, 4}, | 
|  | {{ 0x01, 0x02 }, 2}, | 
|  | {{ 0x01, 0x02, 0x00, 0xc6 }, 4}, | 
|  | {{ 0x01, 0x00 }, 2}, | 
|  | {{ 0x01, 0x00, 0xff, 0xaf }, 4}, | 
|  | }; | 
|  |  | 
|  | em28xx_gpio_set(dev, terratec_htc_stick_init); | 
|  |  | 
|  | em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); | 
|  | usleep_range(10000, 11000); | 
|  | em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44); | 
|  | usleep_range(10000, 11000); | 
|  |  | 
|  | dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; | 
|  |  | 
|  | for (i = 0; i < ARRAY_SIZE(regs); i++) | 
|  | i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], | 
|  | regs[i].r, regs[i].len); | 
|  |  | 
|  | em28xx_gpio_set(dev, terratec_htc_stick_end); | 
|  | }; | 
|  |  | 
|  | static void terratec_htc_usb_xs_init(struct em28xx *dev) | 
|  | { | 
|  | int i; | 
|  |  | 
|  | static const struct em28xx_reg_seq terratec_htc_usb_xs_init[] = { | 
|  | {EM2820_R08_GPIO_CTRL,		0xff,	0xff,	10}, | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xb2,	0xff,	100}, | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xb2,	0xff,	50}, | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xb6,	0xff,	100}, | 
|  | {	-1,			-1,	-1,	-1}, | 
|  | }; | 
|  | static const struct em28xx_reg_seq terratec_htc_usb_xs_end[] = { | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xa6,	0xff,	100}, | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xa6,	0xff,	50}, | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xe6,	0xff,	100}, | 
|  | {	-1,			-1,	-1,	-1}, | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * Init the analog decoder (not yet supported), but | 
|  | * it's probably still a good idea. | 
|  | */ | 
|  | static const struct { | 
|  | unsigned char r[4]; | 
|  | int len; | 
|  | } regs[] = { | 
|  | {{ 0x06, 0x02, 0x00, 0x31 }, 4}, | 
|  | {{ 0x01, 0x02 }, 2}, | 
|  | {{ 0x01, 0x02, 0x00, 0xc6 }, 4}, | 
|  | {{ 0x01, 0x00 }, 2}, | 
|  | {{ 0x01, 0x00, 0xff, 0xaf }, 4}, | 
|  | {{ 0x01, 0x00, 0x03, 0xa0 }, 4}, | 
|  | {{ 0x01, 0x00 }, 2}, | 
|  | {{ 0x01, 0x00, 0x73, 0xaf }, 4}, | 
|  | {{ 0x04, 0x00 }, 2}, | 
|  | {{ 0x00, 0x04 }, 2}, | 
|  | {{ 0x00, 0x04, 0x00, 0x0a }, 4}, | 
|  | {{ 0x04, 0x14 }, 2}, | 
|  | {{ 0x04, 0x14, 0x00, 0x00 }, 4}, | 
|  | }; | 
|  |  | 
|  | em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); | 
|  |  | 
|  | em28xx_gpio_set(dev, terratec_htc_usb_xs_init); | 
|  |  | 
|  | em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); | 
|  | usleep_range(10000, 11000); | 
|  | em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44); | 
|  | usleep_range(10000, 11000); | 
|  |  | 
|  | dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; | 
|  |  | 
|  | for (i = 0; i < ARRAY_SIZE(regs); i++) | 
|  | i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], | 
|  | regs[i].r, regs[i].len); | 
|  |  | 
|  | em28xx_gpio_set(dev, terratec_htc_usb_xs_end); | 
|  | }; | 
|  |  | 
|  | static void pctv_520e_init(struct em28xx *dev) | 
|  | { | 
|  | /* | 
|  | * Init AVF4910B analog decoder. Looks like I2C traffic to | 
|  | * digital demodulator and tuner are routed via AVF4910B. | 
|  | */ | 
|  | int i; | 
|  | static const struct { | 
|  | unsigned char r[4]; | 
|  | int len; | 
|  | } regs[] = { | 
|  | {{ 0x06, 0x02, 0x00, 0x31 }, 4}, | 
|  | {{ 0x01, 0x02 }, 2}, | 
|  | {{ 0x01, 0x02, 0x00, 0xc6 }, 4}, | 
|  | {{ 0x01, 0x00 }, 2}, | 
|  | {{ 0x01, 0x00, 0xff, 0xaf }, 4}, | 
|  | {{ 0x01, 0x00, 0x03, 0xa0 }, 4}, | 
|  | {{ 0x01, 0x00 }, 2}, | 
|  | {{ 0x01, 0x00, 0x73, 0xaf }, 4}, | 
|  | }; | 
|  |  | 
|  | dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; /* 0x41 */ | 
|  |  | 
|  | for (i = 0; i < ARRAY_SIZE(regs); i++) | 
|  | i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], | 
|  | regs[i].r, regs[i].len); | 
|  | }; | 
|  |  | 
|  | static int em28xx_pctv_290e_set_lna(struct dvb_frontend *fe) | 
|  | { | 
|  | struct dtv_frontend_properties *c = &fe->dtv_property_cache; | 
|  | struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv; | 
|  | struct em28xx *dev = i2c_bus->dev; | 
|  | #ifdef CONFIG_GPIOLIB | 
|  | struct em28xx_dvb *dvb = dev->dvb; | 
|  | int ret; | 
|  | unsigned long flags; | 
|  |  | 
|  | if (c->lna == 1) | 
|  | flags = GPIOF_OUT_INIT_HIGH; /* enable LNA */ | 
|  | else | 
|  | flags = GPIOF_OUT_INIT_LOW; /* disable LNA */ | 
|  |  | 
|  | ret = gpio_request_one(dvb->lna_gpio, flags, NULL); | 
|  | if (ret) | 
|  | dev_err(&dev->intf->dev, "gpio request failed %d\n", ret); | 
|  | else | 
|  | gpio_free(dvb->lna_gpio); | 
|  |  | 
|  | return ret; | 
|  | #else | 
|  | dev_warn(&dev->intf->dev, "%s: LNA control is disabled (lna=%u)\n", | 
|  | KBUILD_MODNAME, c->lna); | 
|  | return 0; | 
|  | #endif | 
|  | } | 
|  |  | 
|  | static int em28xx_pctv_292e_set_lna(struct dvb_frontend *fe) | 
|  | { | 
|  | struct dtv_frontend_properties *c = &fe->dtv_property_cache; | 
|  | struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv; | 
|  | struct em28xx *dev = i2c_bus->dev; | 
|  | u8 lna; | 
|  |  | 
|  | if (c->lna == 1) | 
|  | lna = 0x01; | 
|  | else | 
|  | lna = 0x00; | 
|  |  | 
|  | return em28xx_write_reg_bits(dev, EM2874_R80_GPIO_P0_CTRL, lna, 0x01); | 
|  | } | 
|  |  | 
|  | static int em28xx_mt352_terratec_xs_init(struct dvb_frontend *fe) | 
|  | { | 
|  | /* Values extracted from a USB trace of the Terratec Windows driver */ | 
|  | static u8 clock_config[]   = { CLOCK_CTL,  0x38, 0x2c }; | 
|  | static u8 reset[]          = { RESET,      0x80 }; | 
|  | static u8 adc_ctl_1_cfg[]  = { ADC_CTL_1,  0x40 }; | 
|  | static u8 agc_cfg[]        = { AGC_TARGET, 0x28, 0xa0 }; | 
|  | static u8 input_freq_cfg[] = { INPUT_FREQ_1, 0x31, 0xb8 }; | 
|  | static u8 rs_err_cfg[]     = { RS_ERR_PER_1, 0x00, 0x4d }; | 
|  | static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 }; | 
|  | static u8 trl_nom_cfg[]    = { TRL_NOMINAL_RATE_1, 0x64, 0x00 }; | 
|  | static u8 tps_given_cfg[]  = { TPS_GIVEN_1, 0x40, 0x80, 0x50 }; | 
|  | static u8 tuner_go[]       = { TUNER_GO, 0x01}; | 
|  |  | 
|  | mt352_write(fe, clock_config,   sizeof(clock_config)); | 
|  | usleep_range(200, 250); | 
|  | mt352_write(fe, reset,          sizeof(reset)); | 
|  | mt352_write(fe, adc_ctl_1_cfg,  sizeof(adc_ctl_1_cfg)); | 
|  | mt352_write(fe, agc_cfg,        sizeof(agc_cfg)); | 
|  | mt352_write(fe, input_freq_cfg, sizeof(input_freq_cfg)); | 
|  | mt352_write(fe, rs_err_cfg,     sizeof(rs_err_cfg)); | 
|  | mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg)); | 
|  | mt352_write(fe, trl_nom_cfg,    sizeof(trl_nom_cfg)); | 
|  | mt352_write(fe, tps_given_cfg,  sizeof(tps_given_cfg)); | 
|  | mt352_write(fe, tuner_go,       sizeof(tuner_go)); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void px_bcud_init(struct em28xx *dev) | 
|  | { | 
|  | int i; | 
|  | static const struct { | 
|  | unsigned char r[4]; | 
|  | int len; | 
|  | } regs1[] = { | 
|  | {{ 0x0e, 0x77 }, 2}, | 
|  | {{ 0x0f, 0x77 }, 2}, | 
|  | {{ 0x03, 0x90 }, 2}, | 
|  | }, regs2[] = { | 
|  | {{ 0x07, 0x01 }, 2}, | 
|  | {{ 0x08, 0x10 }, 2}, | 
|  | {{ 0x13, 0x00 }, 2}, | 
|  | {{ 0x17, 0x00 }, 2}, | 
|  | {{ 0x03, 0x01 }, 2}, | 
|  | {{ 0x10, 0xb1 }, 2}, | 
|  | {{ 0x11, 0x40 }, 2}, | 
|  | {{ 0x85, 0x7a }, 2}, | 
|  | {{ 0x87, 0x04 }, 2}, | 
|  | }; | 
|  | static const struct em28xx_reg_seq gpio[] = { | 
|  | {EM28XX_R06_I2C_CLK,		0x40,	0xff,	300}, | 
|  | {EM2874_R80_GPIO_P0_CTRL,	0xfd,	0xff,	60}, | 
|  | {EM28XX_R15_RGAIN,		0x20,	0xff,	0}, | 
|  | {EM28XX_R16_GGAIN,		0x20,	0xff,	0}, | 
|  | {EM28XX_R17_BGAIN,		0x20,	0xff,	0}, | 
|  | {EM28XX_R18_ROFFSET,		0x00,	0xff,	0}, | 
|  | {EM28XX_R19_GOFFSET,		0x00,	0xff,	0}, | 
|  | {EM28XX_R1A_BOFFSET,		0x00,	0xff,	0}, | 
|  | {EM28XX_R23_UOFFSET,		0x00,	0xff,	0}, | 
|  | {EM28XX_R24_VOFFSET,		0x00,	0xff,	0}, | 
|  | {EM28XX_R26_COMPR,		0x00,	0xff,	0}, | 
|  | {0x13,				0x08,	0xff,	0}, | 
|  | {EM28XX_R12_VINENABLE,		0x27,	0xff,	0}, | 
|  | {EM28XX_R0C_USBSUSP,		0x10,	0xff,	0}, | 
|  | {EM28XX_R27_OUTFMT,		0x00,	0xff,	0}, | 
|  | {EM28XX_R10_VINMODE,		0x00,	0xff,	0}, | 
|  | {EM28XX_R11_VINCTRL,		0x11,	0xff,	0}, | 
|  | {EM2874_R50_IR_CONFIG,		0x01,	0xff,	0}, | 
|  | {EM2874_R5F_TS_ENABLE,		0x80,	0xff,	0}, | 
|  | {EM28XX_R06_I2C_CLK,		0x46,	0xff,	0}, | 
|  | }; | 
|  | em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x46); | 
|  | /* sleeping ISDB-T */ | 
|  | dev->dvb->i2c_client_demod->addr = 0x14; | 
|  | for (i = 0; i < ARRAY_SIZE(regs1); i++) | 
|  | i2c_master_send(dev->dvb->i2c_client_demod, | 
|  | regs1[i].r, regs1[i].len); | 
|  | /* sleeping ISDB-S */ | 
|  | dev->dvb->i2c_client_demod->addr = 0x15; | 
|  | for (i = 0; i < ARRAY_SIZE(regs2); i++) | 
|  | i2c_master_send(dev->dvb->i2c_client_demod, regs2[i].r, | 
|  | regs2[i].len); | 
|  | for (i = 0; i < ARRAY_SIZE(gpio); i++) { | 
|  | em28xx_write_reg_bits(dev, gpio[i].reg, gpio[i].val, | 
|  | gpio[i].mask); | 
|  | if (gpio[i].sleep > 0) | 
|  | msleep(gpio[i].sleep); | 
|  | } | 
|  | }; | 
|  |  | 
|  | static struct mt352_config terratec_xs_mt352_cfg = { | 
|  | .demod_address = (0x1e >> 1), | 
|  | .no_tuner = 1, | 
|  | .if2 = 45600, | 
|  | .demod_init = em28xx_mt352_terratec_xs_init, | 
|  | }; | 
|  |  | 
|  | static struct tda10023_config em28xx_tda10023_config = { | 
|  | .demod_address = 0x0c, | 
|  | .invert = 1, | 
|  | }; | 
|  |  | 
|  | static struct cxd2820r_config em28xx_cxd2820r_config = { | 
|  | .i2c_address = (0xd8 >> 1), | 
|  | .ts_mode = CXD2820R_TS_SERIAL, | 
|  | }; | 
|  |  | 
|  | static struct tda18271_config em28xx_cxd2820r_tda18271_config = { | 
|  | .output_opt = TDA18271_OUTPUT_LT_OFF, | 
|  | .gate = TDA18271_GATE_DIGITAL, | 
|  | }; | 
|  |  | 
|  | static struct zl10353_config em28xx_zl10353_no_i2c_gate_dev = { | 
|  | .demod_address = (0x1e >> 1), | 
|  | .disable_i2c_gate_ctrl = 1, | 
|  | .no_tuner = 1, | 
|  | .parallel_ts = 1, | 
|  | }; | 
|  |  | 
|  | static struct mt2060_config em28xx_mt2060_config = { | 
|  | .i2c_address = 0x60, | 
|  | }; | 
|  |  | 
|  | static struct qt1010_config em28xx_qt1010_config = { | 
|  | .i2c_address = 0x62 | 
|  | }; | 
|  |  | 
|  | static const struct mb86a20s_config c3tech_duo_mb86a20s_config = { | 
|  | .demod_address = 0x10, | 
|  | .is_serial = true, | 
|  | }; | 
|  |  | 
|  | static struct tda18271_std_map mb86a20s_tda18271_config = { | 
|  | .dvbt_6   = { .if_freq = 4000, .agc_mode = 3, .std = 4, | 
|  | .if_lvl = 1, .rfagc_top = 0x37, }, | 
|  | }; | 
|  |  | 
|  | static struct tda18271_config c3tech_duo_tda18271_config = { | 
|  | .std_map = &mb86a20s_tda18271_config, | 
|  | .gate    = TDA18271_GATE_DIGITAL, | 
|  | .small_i2c = TDA18271_03_BYTE_CHUNK_INIT, | 
|  | }; | 
|  |  | 
|  | static struct tda18271_std_map drx_j_std_map = { | 
|  | .atsc_6   = { .if_freq = 5000, .agc_mode = 3, .std = 0, .if_lvl = 1, | 
|  | .rfagc_top = 0x37, }, | 
|  | .qam_6    = { .if_freq = 5380, .agc_mode = 3, .std = 3, .if_lvl = 1, | 
|  | .rfagc_top = 0x37, }, | 
|  | }; | 
|  |  | 
|  | static struct tda18271_config pinnacle_80e_dvb_config = { | 
|  | .std_map = &drx_j_std_map, | 
|  | .gate    = TDA18271_GATE_DIGITAL, | 
|  | .role    = TDA18271_MASTER, | 
|  | }; | 
|  |  | 
|  | static struct lgdt3306a_config hauppauge_01595_lgdt3306a_config = { | 
|  | .qam_if_khz         = 4000, | 
|  | .vsb_if_khz         = 3250, | 
|  | .spectral_inversion = 0, | 
|  | .deny_i2c_rptr      = 0, | 
|  | .mpeg_mode          = LGDT3306A_MPEG_SERIAL, | 
|  | .tpclk_edge         = LGDT3306A_TPCLK_RISING_EDGE, | 
|  | .tpvalid_polarity   = LGDT3306A_TP_VALID_HIGH, | 
|  | .xtalMHz            = 25, | 
|  | }; | 
|  |  | 
|  | /* ------------------------------------------------------------------ */ | 
|  |  | 
|  | static noinline_for_stack int em28xx_attach_xc3028(u8 addr, struct em28xx *dev) | 
|  | { | 
|  | struct dvb_frontend *fe; | 
|  | struct xc2028_config cfg; | 
|  | struct xc2028_ctrl ctl; | 
|  |  | 
|  | memset(&cfg, 0, sizeof(cfg)); | 
|  | cfg.i2c_adap  = &dev->i2c_adap[dev->def_i2c_bus]; | 
|  | cfg.i2c_addr  = addr; | 
|  |  | 
|  | memset(&ctl, 0, sizeof(ctl)); | 
|  | em28xx_setup_xc3028(dev, &ctl); | 
|  | cfg.ctrl  = &ctl; | 
|  |  | 
|  | if (!dev->dvb->fe[0]) { | 
|  | dev_err(&dev->intf->dev, | 
|  | "dvb frontend not attached. Can't attach xc3028\n"); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg); | 
|  | if (!fe) { | 
|  | dev_err(&dev->intf->dev, "xc3028 attach failed\n"); | 
|  | dvb_frontend_detach(dev->dvb->fe[0]); | 
|  | dev->dvb->fe[0] = NULL; | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | dev_info(&dev->intf->dev, "xc3028 attached\n"); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* ------------------------------------------------------------------ */ | 
|  |  | 
|  | static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module, | 
|  | struct em28xx *dev, struct device *device) | 
|  | { | 
|  | int result; | 
|  | bool create_rf_connector = false; | 
|  |  | 
|  | mutex_init(&dvb->lock); | 
|  |  | 
|  | /* register adapter */ | 
|  | result = dvb_register_adapter(&dvb->adapter, | 
|  | dev_name(&dev->intf->dev), module, | 
|  | device, adapter_nr); | 
|  | if (result < 0) { | 
|  | dev_warn(&dev->intf->dev, | 
|  | "dvb_register_adapter failed (errno = %d)\n", | 
|  | result); | 
|  | goto fail_adapter; | 
|  | } | 
|  | #ifdef CONFIG_MEDIA_CONTROLLER_DVB | 
|  | dvb->adapter.mdev = dev->media_dev; | 
|  | #endif | 
|  |  | 
|  | /* Ensure all frontends negotiate bus access */ | 
|  | dvb->fe[0]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl; | 
|  | if (dvb->fe[1]) | 
|  | dvb->fe[1]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl; | 
|  |  | 
|  | dvb->adapter.priv = &dev->i2c_bus[dev->def_i2c_bus]; | 
|  |  | 
|  | /* register frontend */ | 
|  | result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]); | 
|  | if (result < 0) { | 
|  | dev_warn(&dev->intf->dev, | 
|  | "dvb_register_frontend failed (errno = %d)\n", | 
|  | result); | 
|  | goto fail_frontend0; | 
|  | } | 
|  |  | 
|  | /* register 2nd frontend */ | 
|  | if (dvb->fe[1]) { | 
|  | result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]); | 
|  | if (result < 0) { | 
|  | dev_warn(&dev->intf->dev, | 
|  | "2nd dvb_register_frontend failed (errno = %d)\n", | 
|  | result); | 
|  | goto fail_frontend1; | 
|  | } | 
|  | } | 
|  |  | 
|  | /* register demux stuff */ | 
|  | dvb->demux.dmx.capabilities = | 
|  | DMX_TS_FILTERING | DMX_SECTION_FILTERING | | 
|  | DMX_MEMORY_BASED_FILTERING; | 
|  | dvb->demux.priv       = dvb; | 
|  | dvb->demux.filternum  = 256; | 
|  | dvb->demux.feednum    = 256; | 
|  | dvb->demux.start_feed = em28xx_start_feed; | 
|  | dvb->demux.stop_feed  = em28xx_stop_feed; | 
|  |  | 
|  | result = dvb_dmx_init(&dvb->demux); | 
|  | if (result < 0) { | 
|  | dev_warn(&dev->intf->dev, | 
|  | "dvb_dmx_init failed (errno = %d)\n", | 
|  | result); | 
|  | goto fail_dmx; | 
|  | } | 
|  |  | 
|  | dvb->dmxdev.filternum    = 256; | 
|  | dvb->dmxdev.demux        = &dvb->demux.dmx; | 
|  | dvb->dmxdev.capabilities = 0; | 
|  | result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter); | 
|  | if (result < 0) { | 
|  | dev_warn(&dev->intf->dev, | 
|  | "dvb_dmxdev_init failed (errno = %d)\n", | 
|  | result); | 
|  | goto fail_dmxdev; | 
|  | } | 
|  |  | 
|  | dvb->fe_hw.source = DMX_FRONTEND_0; | 
|  | result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw); | 
|  | if (result < 0) { | 
|  | dev_warn(&dev->intf->dev, | 
|  | "add_frontend failed (DMX_FRONTEND_0, errno = %d)\n", | 
|  | result); | 
|  | goto fail_fe_hw; | 
|  | } | 
|  |  | 
|  | dvb->fe_mem.source = DMX_MEMORY_FE; | 
|  | result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem); | 
|  | if (result < 0) { | 
|  | dev_warn(&dev->intf->dev, | 
|  | "add_frontend failed (DMX_MEMORY_FE, errno = %d)\n", | 
|  | result); | 
|  | goto fail_fe_mem; | 
|  | } | 
|  |  | 
|  | result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw); | 
|  | if (result < 0) { | 
|  | dev_warn(&dev->intf->dev, | 
|  | "connect_frontend failed (errno = %d)\n", | 
|  | result); | 
|  | goto fail_fe_conn; | 
|  | } | 
|  |  | 
|  | /* register network adapter */ | 
|  | dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx); | 
|  |  | 
|  | /* If the analog part won't create RF connectors, DVB will do it */ | 
|  | if (!dev->has_video || dev->tuner_type == TUNER_ABSENT) | 
|  | create_rf_connector = true; | 
|  |  | 
|  | result = dvb_create_media_graph(&dvb->adapter, create_rf_connector); | 
|  | if (result < 0) | 
|  | goto fail_create_graph; | 
|  |  | 
|  | return 0; | 
|  |  | 
|  | fail_create_graph: | 
|  | dvb_net_release(&dvb->net); | 
|  | fail_fe_conn: | 
|  | dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); | 
|  | fail_fe_mem: | 
|  | dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); | 
|  | fail_fe_hw: | 
|  | dvb_dmxdev_release(&dvb->dmxdev); | 
|  | fail_dmxdev: | 
|  | dvb_dmx_release(&dvb->demux); | 
|  | fail_dmx: | 
|  | if (dvb->fe[1]) | 
|  | dvb_unregister_frontend(dvb->fe[1]); | 
|  | dvb_unregister_frontend(dvb->fe[0]); | 
|  | fail_frontend1: | 
|  | if (dvb->fe[1]) | 
|  | dvb_frontend_detach(dvb->fe[1]); | 
|  | fail_frontend0: | 
|  | dvb_frontend_detach(dvb->fe[0]); | 
|  | dvb_unregister_adapter(&dvb->adapter); | 
|  | fail_adapter: | 
|  | return result; | 
|  | } | 
|  |  | 
|  | static void em28xx_unregister_dvb(struct em28xx_dvb *dvb) | 
|  | { | 
|  | dvb_net_release(&dvb->net); | 
|  | dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); | 
|  | dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); | 
|  | dvb_dmxdev_release(&dvb->dmxdev); | 
|  | dvb_dmx_release(&dvb->demux); | 
|  | if (dvb->fe[1]) | 
|  | dvb_unregister_frontend(dvb->fe[1]); | 
|  | dvb_unregister_frontend(dvb->fe[0]); | 
|  | if (dvb->fe[1] && !dvb->dont_attach_fe1) | 
|  | dvb_frontend_detach(dvb->fe[1]); | 
|  | dvb_frontend_detach(dvb->fe[0]); | 
|  | dvb_unregister_adapter(&dvb->adapter); | 
|  | } | 
|  |  | 
|  | static int em28174_dvb_init_pctv_460e(struct em28xx *dev) | 
|  | { | 
|  | struct em28xx_dvb *dvb = dev->dvb; | 
|  | struct tda10071_platform_data tda10071_pdata = {}; | 
|  | struct a8293_platform_data a8293_pdata = {}; | 
|  |  | 
|  | /* attach demod + tuner combo */ | 
|  | tda10071_pdata.clk = 40444000; /* 40.444 MHz */ | 
|  | tda10071_pdata.i2c_wr_max = 64; | 
|  | tda10071_pdata.ts_mode = TDA10071_TS_SERIAL; | 
|  | tda10071_pdata.pll_multiplier = 20; | 
|  | tda10071_pdata.tuner_i2c_addr = 0x14; | 
|  |  | 
|  | dvb->i2c_client_demod = dvb_module_probe("tda10071", "tda10071_cx24118", | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | 0x55, &tda10071_pdata); | 
|  | if (!dvb->i2c_client_demod) | 
|  | return -ENODEV; | 
|  |  | 
|  | dvb->fe[0] = tda10071_pdata.get_dvb_frontend(dvb->i2c_client_demod); | 
|  |  | 
|  | /* attach SEC */ | 
|  | a8293_pdata.dvb_frontend = dvb->fe[0]; | 
|  |  | 
|  | dvb->i2c_client_sec = dvb_module_probe("a8293", NULL, | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | 0x08, &a8293_pdata); | 
|  | if (!dvb->i2c_client_sec) { | 
|  | dvb_module_release(dvb->i2c_client_demod); | 
|  | return -ENODEV; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int em28178_dvb_init_pctv_461e(struct em28xx *dev) | 
|  | { | 
|  | struct em28xx_dvb *dvb = dev->dvb; | 
|  | struct i2c_adapter *i2c_adapter; | 
|  | struct m88ds3103_platform_data m88ds3103_pdata = {}; | 
|  | struct ts2020_config ts2020_config = {}; | 
|  | struct a8293_platform_data a8293_pdata = {}; | 
|  |  | 
|  | /* attach demod */ | 
|  | m88ds3103_pdata.clk = 27000000; | 
|  | m88ds3103_pdata.i2c_wr_max = 33; | 
|  | m88ds3103_pdata.ts_mode = M88DS3103_TS_PARALLEL; | 
|  | m88ds3103_pdata.ts_clk = 16000; | 
|  | m88ds3103_pdata.ts_clk_pol = 1; | 
|  | m88ds3103_pdata.agc = 0x99; | 
|  |  | 
|  | dvb->i2c_client_demod = dvb_module_probe("m88ds3103", NULL, | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | 0x68, &m88ds3103_pdata); | 
|  | if (!dvb->i2c_client_demod) | 
|  | return -ENODEV; | 
|  |  | 
|  | dvb->fe[0] = m88ds3103_pdata.get_dvb_frontend(dvb->i2c_client_demod); | 
|  | i2c_adapter = m88ds3103_pdata.get_i2c_adapter(dvb->i2c_client_demod); | 
|  |  | 
|  | /* attach tuner */ | 
|  | ts2020_config.fe = dvb->fe[0]; | 
|  |  | 
|  | dvb->i2c_client_tuner = dvb_module_probe("ts2020", "ts2022", | 
|  | i2c_adapter, | 
|  | 0x60, &ts2020_config); | 
|  | if (!dvb->i2c_client_tuner) { | 
|  | dvb_module_release(dvb->i2c_client_demod); | 
|  | return -ENODEV; | 
|  | } | 
|  |  | 
|  | /* delegate signal strength measurement to tuner */ | 
|  | dvb->fe[0]->ops.read_signal_strength = | 
|  | dvb->fe[0]->ops.tuner_ops.get_rf_strength; | 
|  |  | 
|  | /* attach SEC */ | 
|  | a8293_pdata.dvb_frontend = dvb->fe[0]; | 
|  | dvb->i2c_client_sec = dvb_module_probe("a8293", NULL, | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | 0x08, &a8293_pdata); | 
|  | if (!dvb->i2c_client_sec) { | 
|  | dvb_module_release(dvb->i2c_client_tuner); | 
|  | dvb_module_release(dvb->i2c_client_demod); | 
|  | return -ENODEV; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int em28178_dvb_init_pctv_461e_v2(struct em28xx *dev) | 
|  | { | 
|  | struct em28xx_dvb *dvb = dev->dvb; | 
|  | struct i2c_adapter *i2c_adapter; | 
|  | struct m88ds3103_platform_data m88ds3103_pdata = {}; | 
|  | struct ts2020_config ts2020_config = {}; | 
|  | struct a8293_platform_data a8293_pdata = {}; | 
|  |  | 
|  | /* attach demod */ | 
|  | m88ds3103_pdata.clk = 27000000; | 
|  | m88ds3103_pdata.i2c_wr_max = 33; | 
|  | m88ds3103_pdata.ts_mode = M88DS3103_TS_PARALLEL; | 
|  | m88ds3103_pdata.ts_clk = 16000; | 
|  | m88ds3103_pdata.ts_clk_pol = 0; | 
|  | m88ds3103_pdata.agc = 0x99; | 
|  | m88ds3103_pdata.agc_inv = 0; | 
|  | m88ds3103_pdata.spec_inv = 0; | 
|  | dvb->i2c_client_demod = dvb_module_probe("m88ds3103", "m88ds3103b", | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | 0x6a, &m88ds3103_pdata); | 
|  |  | 
|  | if (!dvb->i2c_client_demod) | 
|  | return -ENODEV; | 
|  |  | 
|  | dvb->fe[0] = m88ds3103_pdata.get_dvb_frontend(dvb->i2c_client_demod); | 
|  | i2c_adapter = m88ds3103_pdata.get_i2c_adapter(dvb->i2c_client_demod); | 
|  |  | 
|  | /* attach tuner */ | 
|  | ts2020_config.fe = dvb->fe[0]; | 
|  | dvb->i2c_client_tuner = dvb_module_probe("ts2020", "ts2022", | 
|  | i2c_adapter, | 
|  | 0x60, &ts2020_config); | 
|  | if (!dvb->i2c_client_tuner) { | 
|  | dvb_module_release(dvb->i2c_client_demod); | 
|  | return -ENODEV; | 
|  | } | 
|  |  | 
|  | /* delegate signal strength measurement to tuner */ | 
|  | dvb->fe[0]->ops.read_signal_strength = | 
|  | dvb->fe[0]->ops.tuner_ops.get_rf_strength; | 
|  |  | 
|  | /* attach SEC */ | 
|  | a8293_pdata.dvb_frontend = dvb->fe[0]; | 
|  | dvb->i2c_client_sec = dvb_module_probe("a8293", NULL, | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | 0x08, &a8293_pdata); | 
|  | if (!dvb->i2c_client_sec) { | 
|  | dvb_module_release(dvb->i2c_client_tuner); | 
|  | dvb_module_release(dvb->i2c_client_demod); | 
|  | return -ENODEV; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int em28178_dvb_init_pctv_292e(struct em28xx *dev) | 
|  | { | 
|  | struct em28xx_dvb *dvb = dev->dvb; | 
|  | struct i2c_adapter *adapter; | 
|  | struct si2168_config si2168_config = {}; | 
|  | struct si2157_config si2157_config = {}; | 
|  |  | 
|  | /* attach demod */ | 
|  | si2168_config.i2c_adapter = &adapter; | 
|  | si2168_config.fe = &dvb->fe[0]; | 
|  | si2168_config.ts_mode = SI2168_TS_PARALLEL; | 
|  | si2168_config.spectral_inversion = true; | 
|  |  | 
|  | dvb->i2c_client_demod = dvb_module_probe("si2168", NULL, | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | 0x64, &si2168_config); | 
|  | if (!dvb->i2c_client_demod) | 
|  | return -ENODEV; | 
|  |  | 
|  | /* attach tuner */ | 
|  | si2157_config.fe = dvb->fe[0]; | 
|  | si2157_config.if_port = 1; | 
|  | #ifdef CONFIG_MEDIA_CONTROLLER_DVB | 
|  | si2157_config.mdev = dev->media_dev; | 
|  | #endif | 
|  | dvb->i2c_client_tuner = dvb_module_probe("si2157", NULL, | 
|  | adapter, | 
|  | 0x60, &si2157_config); | 
|  | if (!dvb->i2c_client_tuner) { | 
|  | dvb_module_release(dvb->i2c_client_demod); | 
|  | return -ENODEV; | 
|  | } | 
|  | dvb->fe[0]->ops.set_lna = em28xx_pctv_292e_set_lna; | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int em28178_dvb_init_terratec_t2_stick_hd(struct em28xx *dev) | 
|  | { | 
|  | struct em28xx_dvb *dvb = dev->dvb; | 
|  | struct i2c_adapter *adapter; | 
|  | struct si2168_config si2168_config = {}; | 
|  | struct si2157_config si2157_config = {}; | 
|  |  | 
|  | /* attach demod */ | 
|  | si2168_config.i2c_adapter = &adapter; | 
|  | si2168_config.fe = &dvb->fe[0]; | 
|  | si2168_config.ts_mode = SI2168_TS_PARALLEL; | 
|  |  | 
|  | dvb->i2c_client_demod = dvb_module_probe("si2168", NULL, | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | 0x64, &si2168_config); | 
|  | if (!dvb->i2c_client_demod) | 
|  | return -ENODEV; | 
|  |  | 
|  | /* attach tuner */ | 
|  | memset(&si2157_config, 0, sizeof(si2157_config)); | 
|  | si2157_config.fe = dvb->fe[0]; | 
|  | si2157_config.if_port = 0; | 
|  | #ifdef CONFIG_MEDIA_CONTROLLER_DVB | 
|  | si2157_config.mdev = dev->media_dev; | 
|  | #endif | 
|  | dvb->i2c_client_tuner = dvb_module_probe("si2157", "si2146", | 
|  | adapter, | 
|  | 0x60, &si2157_config); | 
|  | if (!dvb->i2c_client_tuner) { | 
|  | dvb_module_release(dvb->i2c_client_demod); | 
|  | return -ENODEV; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int em28178_dvb_init_plex_px_bcud(struct em28xx *dev) | 
|  | { | 
|  | struct em28xx_dvb *dvb = dev->dvb; | 
|  | struct tc90522_config tc90522_config = {}; | 
|  | struct qm1d1c0042_config qm1d1c0042_config = {}; | 
|  |  | 
|  | /* attach demod */ | 
|  | dvb->i2c_client_demod = dvb_module_probe("tc90522", "tc90522sat", | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | 0x15, &tc90522_config); | 
|  | if (!dvb->i2c_client_demod) | 
|  | return -ENODEV; | 
|  |  | 
|  | /* attach tuner */ | 
|  | qm1d1c0042_config.fe = tc90522_config.fe; | 
|  | qm1d1c0042_config.lpf = 1; | 
|  |  | 
|  | dvb->i2c_client_tuner = dvb_module_probe("qm1d1c0042", NULL, | 
|  | tc90522_config.tuner_i2c, | 
|  | 0x61, &qm1d1c0042_config); | 
|  | if (!dvb->i2c_client_tuner) { | 
|  | dvb_module_release(dvb->i2c_client_demod); | 
|  | return -ENODEV; | 
|  | } | 
|  |  | 
|  | dvb->fe[0] = tc90522_config.fe; | 
|  | px_bcud_init(dev); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int em28174_dvb_init_hauppauge_wintv_dualhd_dvb(struct em28xx *dev) | 
|  | { | 
|  | struct em28xx_dvb *dvb = dev->dvb; | 
|  | struct i2c_adapter *adapter; | 
|  | struct si2168_config si2168_config = {}; | 
|  | struct si2157_config si2157_config = {}; | 
|  | unsigned char addr; | 
|  |  | 
|  | /* attach demod */ | 
|  | si2168_config.i2c_adapter = &adapter; | 
|  | si2168_config.fe = &dvb->fe[0]; | 
|  | si2168_config.ts_mode = SI2168_TS_SERIAL; | 
|  | si2168_config.spectral_inversion = true; | 
|  | addr = (dev->ts == PRIMARY_TS) ? 0x64 : 0x67; | 
|  |  | 
|  | dvb->i2c_client_demod = dvb_module_probe("si2168", NULL, | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | addr, &si2168_config); | 
|  | if (!dvb->i2c_client_demod) | 
|  | return -ENODEV; | 
|  |  | 
|  | /* attach tuner */ | 
|  | memset(&si2157_config, 0, sizeof(si2157_config)); | 
|  | si2157_config.fe = dvb->fe[0]; | 
|  | si2157_config.if_port = 1; | 
|  | #ifdef CONFIG_MEDIA_CONTROLLER_DVB | 
|  | si2157_config.mdev = dev->media_dev; | 
|  | #endif | 
|  | addr = (dev->ts == PRIMARY_TS) ? 0x60 : 0x63; | 
|  |  | 
|  | dvb->i2c_client_tuner = dvb_module_probe("si2157", NULL, | 
|  | adapter, | 
|  | addr, &si2157_config); | 
|  | if (!dvb->i2c_client_tuner) { | 
|  | dvb_module_release(dvb->i2c_client_demod); | 
|  | return -ENODEV; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int em28174_dvb_init_hauppauge_wintv_dualhd_01595(struct em28xx *dev) | 
|  | { | 
|  | struct em28xx_dvb *dvb = dev->dvb; | 
|  | struct i2c_adapter *adapter; | 
|  | struct lgdt3306a_config lgdt3306a_config =  {}; | 
|  | struct si2157_config si2157_config = {}; | 
|  | unsigned char addr; | 
|  |  | 
|  | /* attach demod */ | 
|  | lgdt3306a_config = hauppauge_01595_lgdt3306a_config; | 
|  | lgdt3306a_config.fe = &dvb->fe[0]; | 
|  | lgdt3306a_config.i2c_adapter = &adapter; | 
|  | addr = (dev->ts == PRIMARY_TS) ? 0x59 : 0x0e; | 
|  |  | 
|  | dvb->i2c_client_demod = dvb_module_probe("lgdt3306a", NULL, | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | addr, &lgdt3306a_config); | 
|  | if (!dvb->i2c_client_demod) | 
|  | return -ENODEV; | 
|  |  | 
|  | /* attach tuner */ | 
|  | si2157_config.fe = dvb->fe[0]; | 
|  | si2157_config.if_port = 1; | 
|  | si2157_config.inversion = 1; | 
|  | #ifdef CONFIG_MEDIA_CONTROLLER_DVB | 
|  | si2157_config.mdev = dev->media_dev; | 
|  | #endif | 
|  | addr = (dev->ts == PRIMARY_TS) ? 0x60 : 0x62; | 
|  |  | 
|  | dvb->i2c_client_tuner = dvb_module_probe("si2157", NULL, | 
|  | adapter, | 
|  | addr, &si2157_config); | 
|  | if (!dvb->i2c_client_tuner) { | 
|  | dvb_module_release(dvb->i2c_client_demod); | 
|  | return -ENODEV; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int em28xx_dvb_init(struct em28xx *dev) | 
|  | { | 
|  | int result = 0, dvb_alt = 0; | 
|  | struct em28xx_dvb *dvb; | 
|  | struct usb_device *udev; | 
|  |  | 
|  | if (dev->is_audio_only) { | 
|  | /* Shouldn't initialize IR for this interface */ | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | if (!dev->board.has_dvb) { | 
|  | /* This device does not support the extension */ | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | dev_info(&dev->intf->dev, "Binding DVB extension\n"); | 
|  |  | 
|  | dvb = kzalloc(sizeof(*dvb), GFP_KERNEL); | 
|  | if (!dvb) | 
|  | return -ENOMEM; | 
|  |  | 
|  | dev->dvb = dvb; | 
|  | dvb->fe[0] = NULL; | 
|  | dvb->fe[1] = NULL; | 
|  |  | 
|  | /* pre-allocate DVB usb transfer buffers */ | 
|  | if (dev->dvb_xfer_bulk) { | 
|  | result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE, | 
|  | dev->dvb_xfer_bulk, | 
|  | EM28XX_DVB_NUM_BUFS, | 
|  | 512, | 
|  | EM28XX_DVB_BULK_PACKET_MULTIPLIER); | 
|  | } else { | 
|  | result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE, | 
|  | dev->dvb_xfer_bulk, | 
|  | EM28XX_DVB_NUM_BUFS, | 
|  | dev->dvb_max_pkt_size_isoc, | 
|  | EM28XX_DVB_NUM_ISOC_PACKETS); | 
|  | } | 
|  | if (result) { | 
|  | dev_err(&dev->intf->dev, | 
|  | "failed to pre-allocate USB transfer buffers for DVB.\n"); | 
|  | kfree(dvb); | 
|  | dev->dvb = NULL; | 
|  | return result; | 
|  | } | 
|  |  | 
|  | mutex_lock(&dev->lock); | 
|  | em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); | 
|  | /* init frontend */ | 
|  | switch (dev->model) { | 
|  | case EM2874_BOARD_LEADERSHIP_ISDBT: | 
|  | dvb->fe[0] = dvb_attach(s921_attach, | 
|  | &sharp_isdbt, | 
|  | &dev->i2c_adap[dev->def_i2c_bus]); | 
|  |  | 
|  | if (!dvb->fe[0]) { | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  |  | 
|  | break; | 
|  | case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850: | 
|  | case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950: | 
|  | case EM2880_BOARD_PINNACLE_PCTV_HD_PRO: | 
|  | case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600: | 
|  | dvb->fe[0] = dvb_attach(lgdt330x_attach, | 
|  | &em2880_lgdt3303_dev, | 
|  | 0x0e, | 
|  | &dev->i2c_adap[dev->def_i2c_bus]); | 
|  | if (em28xx_attach_xc3028(0x61, dev) < 0) { | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  | break; | 
|  | case EM2880_BOARD_KWORLD_DVB_310U: | 
|  | dvb->fe[0] = dvb_attach(zl10353_attach, | 
|  | &em28xx_zl10353_with_xc3028, | 
|  | &dev->i2c_adap[dev->def_i2c_bus]); | 
|  | if (em28xx_attach_xc3028(0x61, dev) < 0) { | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  | break; | 
|  | case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900: | 
|  | case EM2882_BOARD_TERRATEC_HYBRID_XS: | 
|  | case EM2880_BOARD_EMPIRE_DUAL_TV: | 
|  | case EM2882_BOARD_ZOLID_HYBRID_TV_STICK: | 
|  | dvb->fe[0] = dvb_attach(zl10353_attach, | 
|  | &em28xx_zl10353_xc3028_no_i2c_gate, | 
|  | &dev->i2c_adap[dev->def_i2c_bus]); | 
|  | if (em28xx_attach_xc3028(0x61, dev) < 0) { | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  | break; | 
|  | case EM2880_BOARD_TERRATEC_HYBRID_XS: | 
|  | case EM2880_BOARD_TERRATEC_HYBRID_XS_FR: | 
|  | case EM2881_BOARD_PINNACLE_HYBRID_PRO: | 
|  | case EM2882_BOARD_DIKOM_DK300: | 
|  | case EM2882_BOARD_KWORLD_VS_DVBT: | 
|  | /* | 
|  | * Those boards could have either a zl10353 or a mt352. | 
|  | * If the chip id isn't for zl10353, try mt352. | 
|  | */ | 
|  | dvb->fe[0] = dvb_attach(zl10353_attach, | 
|  | &em28xx_zl10353_xc3028_no_i2c_gate, | 
|  | &dev->i2c_adap[dev->def_i2c_bus]); | 
|  | if (!dvb->fe[0]) | 
|  | dvb->fe[0] = dvb_attach(mt352_attach, | 
|  | &terratec_xs_mt352_cfg, | 
|  | &dev->i2c_adap[dev->def_i2c_bus]); | 
|  |  | 
|  | if (em28xx_attach_xc3028(0x61, dev) < 0) { | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  | break; | 
|  | case EM2870_BOARD_TERRATEC_XS_MT2060: | 
|  | dvb->fe[0] = dvb_attach(zl10353_attach, | 
|  | &em28xx_zl10353_no_i2c_gate_dev, | 
|  | &dev->i2c_adap[dev->def_i2c_bus]); | 
|  | if (dvb->fe[0]) { | 
|  | dvb_attach(mt2060_attach, dvb->fe[0], | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | &em28xx_mt2060_config, 1220); | 
|  | } | 
|  | break; | 
|  | case EM2870_BOARD_KWORLD_355U: | 
|  | dvb->fe[0] = dvb_attach(zl10353_attach, | 
|  | &em28xx_zl10353_no_i2c_gate_dev, | 
|  | &dev->i2c_adap[dev->def_i2c_bus]); | 
|  | if (dvb->fe[0]) | 
|  | dvb_attach(qt1010_attach, dvb->fe[0], | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | &em28xx_qt1010_config); | 
|  | break; | 
|  | case EM2883_BOARD_KWORLD_HYBRID_330U: | 
|  | case EM2882_BOARD_EVGA_INDTUBE: | 
|  | dvb->fe[0] = dvb_attach(s5h1409_attach, | 
|  | &em28xx_s5h1409_with_xc3028, | 
|  | &dev->i2c_adap[dev->def_i2c_bus]); | 
|  | if (em28xx_attach_xc3028(0x61, dev) < 0) { | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  | break; | 
|  | case EM2882_BOARD_KWORLD_ATSC_315U: | 
|  | dvb->fe[0] = dvb_attach(lgdt330x_attach, | 
|  | &em2880_lgdt3303_dev, | 
|  | 0x0e, | 
|  | &dev->i2c_adap[dev->def_i2c_bus]); | 
|  | if (dvb->fe[0]) { | 
|  | if (!dvb_attach(simple_tuner_attach, dvb->fe[0], | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | 0x61, TUNER_THOMSON_DTT761X)) { | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  | } | 
|  | break; | 
|  | case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2: | 
|  | case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E: | 
|  | dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL, | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | &dev->intf->dev); | 
|  | if (em28xx_attach_xc3028(0x61, dev) < 0) { | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  | break; | 
|  | case EM2870_BOARD_REDDO_DVB_C_USB_BOX: | 
|  | /* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */ | 
|  | dvb->fe[0] = dvb_attach(tda10023_attach, | 
|  | &em28xx_tda10023_config, | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | 0x48); | 
|  | if (dvb->fe[0]) { | 
|  | if (!dvb_attach(simple_tuner_attach, dvb->fe[0], | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | 0x60, TUNER_PHILIPS_CU1216L)) { | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  | } | 
|  | break; | 
|  | case EM2870_BOARD_KWORLD_A340: | 
|  | dvb->fe[0] = dvb_attach(lgdt3305_attach, | 
|  | &em2870_lgdt3304_dev, | 
|  | &dev->i2c_adap[dev->def_i2c_bus]); | 
|  | if (!dvb->fe[0]) { | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  | if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | &kworld_a340_config)) { | 
|  | dvb_frontend_detach(dvb->fe[0]); | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  | break; | 
|  | case EM28174_BOARD_PCTV_290E: | 
|  | /* set default GPIO0 for LNA, used if GPIOLIB is undefined */ | 
|  | dvb->lna_gpio = CXD2820R_GPIO_E | CXD2820R_GPIO_O | | 
|  | CXD2820R_GPIO_L; | 
|  | dvb->fe[0] = dvb_attach(cxd2820r_attach, | 
|  | &em28xx_cxd2820r_config, | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | &dvb->lna_gpio); | 
|  | if (dvb->fe[0]) { | 
|  | /* FE 0 attach tuner */ | 
|  | if (!dvb_attach(tda18271_attach, | 
|  | dvb->fe[0], | 
|  | 0x60, | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | &em28xx_cxd2820r_tda18271_config)) { | 
|  | dvb_frontend_detach(dvb->fe[0]); | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  |  | 
|  | #ifdef CONFIG_GPIOLIB | 
|  | /* enable LNA for DVB-T, DVB-T2 and DVB-C */ | 
|  | result = gpio_request_one(dvb->lna_gpio, | 
|  | GPIOF_OUT_INIT_LOW, NULL); | 
|  | if (result) | 
|  | dev_err(&dev->intf->dev, | 
|  | "gpio request failed %d\n", | 
|  | result); | 
|  | else | 
|  | gpio_free(dvb->lna_gpio); | 
|  |  | 
|  | result = 0; /* continue even set LNA fails */ | 
|  | #endif | 
|  | dvb->fe[0]->ops.set_lna = em28xx_pctv_290e_set_lna; | 
|  | } | 
|  |  | 
|  | break; | 
|  | case EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C: | 
|  | { | 
|  | struct xc5000_config cfg = {}; | 
|  |  | 
|  | hauppauge_hvr930c_init(dev); | 
|  |  | 
|  | dvb->fe[0] = dvb_attach(drxk_attach, | 
|  | &hauppauge_930c_drxk, | 
|  | &dev->i2c_adap[dev->def_i2c_bus]); | 
|  | if (!dvb->fe[0]) { | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  | /* FIXME: do we need a pll semaphore? */ | 
|  | dvb->fe[0]->sec_priv = dvb; | 
|  | sema_init(&dvb->pll_mutex, 1); | 
|  | dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl; | 
|  | dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl; | 
|  |  | 
|  | /* Attach xc5000 */ | 
|  | cfg.i2c_address  = 0x61; | 
|  | cfg.if_khz = 4000; | 
|  |  | 
|  | if (dvb->fe[0]->ops.i2c_gate_ctrl) | 
|  | dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1); | 
|  | if (!dvb_attach(xc5000_attach, dvb->fe[0], | 
|  | &dev->i2c_adap[dev->def_i2c_bus], &cfg)) { | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  | if (dvb->fe[0]->ops.i2c_gate_ctrl) | 
|  | dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0); | 
|  |  | 
|  | break; | 
|  | } | 
|  | case EM2884_BOARD_TERRATEC_H5: | 
|  | terratec_h5_init(dev); | 
|  |  | 
|  | dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, | 
|  | &dev->i2c_adap[dev->def_i2c_bus]); | 
|  | if (!dvb->fe[0]) { | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  | /* FIXME: do we need a pll semaphore? */ | 
|  | dvb->fe[0]->sec_priv = dvb; | 
|  | sema_init(&dvb->pll_mutex, 1); | 
|  | dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl; | 
|  | dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl; | 
|  |  | 
|  | /* Attach tda18271 to DVB-C frontend */ | 
|  | if (dvb->fe[0]->ops.i2c_gate_ctrl) | 
|  | dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1); | 
|  | if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], | 
|  | &dev->i2c_adap[dev->def_i2c_bus], 0x60)) { | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  | if (dvb->fe[0]->ops.i2c_gate_ctrl) | 
|  | dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0); | 
|  |  | 
|  | break; | 
|  | case EM2884_BOARD_C3TECH_DIGITAL_DUO: | 
|  | dvb->fe[0] = dvb_attach(mb86a20s_attach, | 
|  | &c3tech_duo_mb86a20s_config, | 
|  | &dev->i2c_adap[dev->def_i2c_bus]); | 
|  | if (dvb->fe[0]) | 
|  | dvb_attach(tda18271_attach, dvb->fe[0], 0x60, | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | &c3tech_duo_tda18271_config); | 
|  | break; | 
|  | case EM28174_BOARD_PCTV_460E: | 
|  | result = em28174_dvb_init_pctv_460e(dev); | 
|  | if (result) | 
|  | goto out_free; | 
|  | break; | 
|  | case EM2874_BOARD_DELOCK_61959: | 
|  | case EM2874_BOARD_MAXMEDIA_UB425_TC: | 
|  | /* attach demodulator */ | 
|  | dvb->fe[0] = dvb_attach(drxk_attach, &maxmedia_ub425_tc_drxk, | 
|  | &dev->i2c_adap[dev->def_i2c_bus]); | 
|  |  | 
|  | if (dvb->fe[0]) { | 
|  | /* disable I2C-gate */ | 
|  | dvb->fe[0]->ops.i2c_gate_ctrl = NULL; | 
|  |  | 
|  | /* attach tuner */ | 
|  | if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | &em28xx_cxd2820r_tda18271_config)) { | 
|  | dvb_frontend_detach(dvb->fe[0]); | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  | } | 
|  | break; | 
|  | case EM2884_BOARD_PCTV_510E: | 
|  | case EM2884_BOARD_PCTV_520E: | 
|  | pctv_520e_init(dev); | 
|  |  | 
|  | /* attach demodulator */ | 
|  | dvb->fe[0] = dvb_attach(drxk_attach, &pctv_520e_drxk, | 
|  | &dev->i2c_adap[dev->def_i2c_bus]); | 
|  |  | 
|  | if (dvb->fe[0]) { | 
|  | /* attach tuner */ | 
|  | if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | &em28xx_cxd2820r_tda18271_config)) { | 
|  | dvb_frontend_detach(dvb->fe[0]); | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  | } | 
|  | break; | 
|  | case EM2884_BOARD_ELGATO_EYETV_HYBRID_2008: | 
|  | case EM2884_BOARD_CINERGY_HTC_STICK: | 
|  | case EM2884_BOARD_TERRATEC_H6: | 
|  | terratec_htc_stick_init(dev); | 
|  |  | 
|  | /* attach demodulator */ | 
|  | dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk, | 
|  | &dev->i2c_adap[dev->def_i2c_bus]); | 
|  | if (!dvb->fe[0]) { | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  |  | 
|  | /* Attach the demodulator. */ | 
|  | if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | &em28xx_cxd2820r_tda18271_config)) { | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  | break; | 
|  | case EM2884_BOARD_TERRATEC_HTC_USB_XS: | 
|  | terratec_htc_usb_xs_init(dev); | 
|  |  | 
|  | /* attach demodulator */ | 
|  | dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk, | 
|  | &dev->i2c_adap[dev->def_i2c_bus]); | 
|  | if (!dvb->fe[0]) { | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  |  | 
|  | /* Attach the demodulator. */ | 
|  | if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | &em28xx_cxd2820r_tda18271_config)) { | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  | break; | 
|  | case EM2874_BOARD_KWORLD_UB435Q_V2: | 
|  | dvb->fe[0] = dvb_attach(lgdt3305_attach, | 
|  | &em2874_lgdt3305_dev, | 
|  | &dev->i2c_adap[dev->def_i2c_bus]); | 
|  | if (!dvb->fe[0]) { | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  |  | 
|  | /* Attach the demodulator. */ | 
|  | if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | &kworld_ub435q_v2_config)) { | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  | break; | 
|  | case EM2874_BOARD_KWORLD_UB435Q_V3: | 
|  | { | 
|  | struct i2c_adapter *adapter = &dev->i2c_adap[dev->def_i2c_bus]; | 
|  |  | 
|  | dvb->fe[0] = dvb_attach(lgdt3305_attach, | 
|  | &em2874_lgdt3305_nogate_dev, | 
|  | &dev->i2c_adap[dev->def_i2c_bus]); | 
|  | if (!dvb->fe[0]) { | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  |  | 
|  | /* attach tuner */ | 
|  | kworld_ub435q_v3_config.fe = dvb->fe[0]; | 
|  |  | 
|  | dvb->i2c_client_tuner = dvb_module_probe("tda18212", NULL, | 
|  | adapter, 0x60, | 
|  | &kworld_ub435q_v3_config); | 
|  | if (!dvb->i2c_client_tuner) { | 
|  | dvb_frontend_detach(dvb->fe[0]); | 
|  | result = -ENODEV; | 
|  | goto out_free; | 
|  | } | 
|  | break; | 
|  | } | 
|  | case EM2874_BOARD_PCTV_HD_MINI_80E: | 
|  | dvb->fe[0] = dvb_attach(drx39xxj_attach, | 
|  | &dev->i2c_adap[dev->def_i2c_bus]); | 
|  | if (dvb->fe[0]) { | 
|  | dvb->fe[0] = dvb_attach(tda18271_attach, dvb->fe[0], | 
|  | 0x60, | 
|  | &dev->i2c_adap[dev->def_i2c_bus], | 
|  | &pinnacle_80e_dvb_config); | 
|  | if (!dvb->fe[0]) { | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  | } | 
|  | break; | 
|  | case EM28178_BOARD_PCTV_461E: | 
|  | result = em28178_dvb_init_pctv_461e(dev); | 
|  | if (result) | 
|  | goto out_free; | 
|  | break; | 
|  | case EM28178_BOARD_PCTV_461E_V2: | 
|  | result = em28178_dvb_init_pctv_461e_v2(dev); | 
|  | if (result) | 
|  | goto out_free; | 
|  | break; | 
|  | case EM28178_BOARD_PCTV_292E: | 
|  | result = em28178_dvb_init_pctv_292e(dev); | 
|  | if (result) | 
|  | goto out_free; | 
|  | break; | 
|  | case EM28178_BOARD_TERRATEC_T2_STICK_HD: | 
|  | result = em28178_dvb_init_terratec_t2_stick_hd(dev); | 
|  | if (result) | 
|  | goto out_free; | 
|  | break; | 
|  | case EM28178_BOARD_PLEX_PX_BCUD: | 
|  | result = em28178_dvb_init_plex_px_bcud(dev); | 
|  | if (result) | 
|  | goto out_free; | 
|  | break; | 
|  | case EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_DVB: | 
|  | result = em28174_dvb_init_hauppauge_wintv_dualhd_dvb(dev); | 
|  | if (result) | 
|  | goto out_free; | 
|  | break; | 
|  | case EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_01595: | 
|  | result = em28174_dvb_init_hauppauge_wintv_dualhd_01595(dev); | 
|  | if (result) | 
|  | goto out_free; | 
|  | break; | 
|  | default: | 
|  | dev_err(&dev->intf->dev, | 
|  | "The frontend of your DVB/ATSC card isn't supported yet\n"); | 
|  | break; | 
|  | } | 
|  | if (!dvb->fe[0]) { | 
|  | dev_err(&dev->intf->dev, "frontend initialization failed\n"); | 
|  | result = -EINVAL; | 
|  | goto out_free; | 
|  | } | 
|  | /* define general-purpose callback pointer */ | 
|  | dvb->fe[0]->callback = em28xx_tuner_callback; | 
|  | if (dvb->fe[1]) | 
|  | dvb->fe[1]->callback = em28xx_tuner_callback; | 
|  |  | 
|  | /* register everything */ | 
|  | result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->intf->dev); | 
|  |  | 
|  | if (result < 0) | 
|  | goto out_free; | 
|  |  | 
|  | if (dev->dvb_xfer_bulk) { | 
|  | dvb_alt = 0; | 
|  | } else { /* isoc */ | 
|  | dvb_alt = dev->dvb_alt_isoc; | 
|  | } | 
|  |  | 
|  | udev = interface_to_usbdev(dev->intf); | 
|  | usb_set_interface(udev, dev->ifnum, dvb_alt); | 
|  | dev_info(&dev->intf->dev, "DVB extension successfully initialized\n"); | 
|  |  | 
|  | kref_get(&dev->ref); | 
|  |  | 
|  | ret: | 
|  | em28xx_set_mode(dev, EM28XX_SUSPEND); | 
|  | mutex_unlock(&dev->lock); | 
|  | return result; | 
|  |  | 
|  | out_free: | 
|  | kfree(dvb); | 
|  | dev->dvb = NULL; | 
|  | goto ret; | 
|  | } | 
|  |  | 
|  | static inline void prevent_sleep(struct dvb_frontend_ops *ops) | 
|  | { | 
|  | ops->set_voltage = NULL; | 
|  | ops->sleep = NULL; | 
|  | ops->tuner_ops.sleep = NULL; | 
|  | } | 
|  |  | 
|  | static int em28xx_dvb_fini(struct em28xx *dev) | 
|  | { | 
|  | struct em28xx_dvb *dvb; | 
|  |  | 
|  | if (dev->is_audio_only) { | 
|  | /* Shouldn't initialize IR for this interface */ | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | if (!dev->board.has_dvb) { | 
|  | /* This device does not support the extension */ | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | if (!dev->dvb) | 
|  | return 0; | 
|  |  | 
|  | dev_info(&dev->intf->dev, "Closing DVB extension\n"); | 
|  |  | 
|  | dvb = dev->dvb; | 
|  |  | 
|  | em28xx_uninit_usb_xfer(dev, EM28XX_DIGITAL_MODE); | 
|  |  | 
|  | if (dev->disconnected) { | 
|  | /* | 
|  | * We cannot tell the device to sleep | 
|  | * once it has been unplugged. | 
|  | */ | 
|  | if (dvb->fe[0]) { | 
|  | prevent_sleep(&dvb->fe[0]->ops); | 
|  | dvb->fe[0]->exit = DVB_FE_DEVICE_REMOVED; | 
|  | } | 
|  | if (dvb->fe[1]) { | 
|  | prevent_sleep(&dvb->fe[1]->ops); | 
|  | dvb->fe[1]->exit = DVB_FE_DEVICE_REMOVED; | 
|  | } | 
|  | } | 
|  |  | 
|  | em28xx_unregister_dvb(dvb); | 
|  |  | 
|  | /* release I2C module bindings */ | 
|  | dvb_module_release(dvb->i2c_client_sec); | 
|  | dvb_module_release(dvb->i2c_client_tuner); | 
|  | dvb_module_release(dvb->i2c_client_demod); | 
|  |  | 
|  | kfree(dvb); | 
|  | dev->dvb = NULL; | 
|  | kref_put(&dev->ref, em28xx_free_device); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int em28xx_dvb_suspend(struct em28xx *dev) | 
|  | { | 
|  | int ret = 0; | 
|  |  | 
|  | if (dev->is_audio_only) | 
|  | return 0; | 
|  |  | 
|  | if (!dev->board.has_dvb) | 
|  | return 0; | 
|  |  | 
|  | dev_info(&dev->intf->dev, "Suspending DVB extension\n"); | 
|  | if (dev->dvb) { | 
|  | struct em28xx_dvb *dvb = dev->dvb; | 
|  |  | 
|  | if (dvb->fe[0]) { | 
|  | ret = dvb_frontend_suspend(dvb->fe[0]); | 
|  | dev_info(&dev->intf->dev, "fe0 suspend %d\n", ret); | 
|  | } | 
|  | if (dvb->fe[1]) { | 
|  | dvb_frontend_suspend(dvb->fe[1]); | 
|  | dev_info(&dev->intf->dev, "fe1 suspend %d\n", ret); | 
|  | } | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int em28xx_dvb_resume(struct em28xx *dev) | 
|  | { | 
|  | int ret = 0; | 
|  |  | 
|  | if (dev->is_audio_only) | 
|  | return 0; | 
|  |  | 
|  | if (!dev->board.has_dvb) | 
|  | return 0; | 
|  |  | 
|  | dev_info(&dev->intf->dev, "Resuming DVB extension\n"); | 
|  | if (dev->dvb) { | 
|  | struct em28xx_dvb *dvb = dev->dvb; | 
|  |  | 
|  | if (dvb->fe[0]) { | 
|  | ret = dvb_frontend_resume(dvb->fe[0]); | 
|  | dev_info(&dev->intf->dev, "fe0 resume %d\n", ret); | 
|  | } | 
|  |  | 
|  | if (dvb->fe[1]) { | 
|  | ret = dvb_frontend_resume(dvb->fe[1]); | 
|  | dev_info(&dev->intf->dev, "fe1 resume %d\n", ret); | 
|  | } | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static struct em28xx_ops dvb_ops = { | 
|  | .id   = EM28XX_DVB, | 
|  | .name = "Em28xx dvb Extension", | 
|  | .init = em28xx_dvb_init, | 
|  | .fini = em28xx_dvb_fini, | 
|  | .suspend = em28xx_dvb_suspend, | 
|  | .resume = em28xx_dvb_resume, | 
|  | }; | 
|  |  | 
|  | static int __init em28xx_dvb_register(void) | 
|  | { | 
|  | return em28xx_register_extension(&dvb_ops); | 
|  | } | 
|  |  | 
|  | static void __exit em28xx_dvb_unregister(void) | 
|  | { | 
|  | em28xx_unregister_extension(&dvb_ops); | 
|  | } | 
|  |  | 
|  | module_init(em28xx_dvb_register); | 
|  | module_exit(em28xx_dvb_unregister); |