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Quelle  cx23885-dvb.c

  Sprache: C
 

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  Driver for the Conexant CX23885 PCIe bridge
 *
 *  Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
 */


#include "cx23885.h"

#include <linux/module.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/fs.h>
#include <linux/kthread.h>
#include <linux/file.h>
#include <linux/suspend.h>

#include <media/v4l2-common.h>

#include <media/dvb_ca_en50221.h>
#include "s5h1409.h"
#include "s5h1411.h"
#include "mt2131.h"
#include "tda8290.h"
#include "tda18271.h"
#include "lgdt330x.h"
#include "xc4000.h"
#include "xc5000.h"
#include "max2165.h"
#include "tda10048.h"
#include "xc2028.h"
#include "tuner-simple.h"
#include "dib7000p.h"
#include "dib0070.h"
#include "dibx000_common.h"
#include "zl10353.h"
#include "stv0900.h"
#include "stv0900_reg.h"
#include "stv6110.h"
#include "lnbh24.h"
#include "cx24116.h"
#include "cx24117.h"
#include "cimax2.h"
#include "lgs8gxx.h"
#include "netup-eeprom.h"
#include "netup-init.h"
#include "lgdt3305.h"
#include "atbm8830.h"
#include "ts2020.h"
#include "ds3000.h"
#include "cx23885-f300.h"
#include "altera-ci.h"
#include "stv0367.h"
#include "drxk.h"
#include "mt2063.h"
#include "stv090x.h"
#include "stb6100.h"
#include "stb6100_cfg.h"
#include "tda10071.h"
#include "a8293.h"
#include "mb86a20s.h"
#include "si2165.h"
#include "si2168.h"
#include "si2157.h"
#include "sp2.h"
#include "m88ds3103.h"
#include "m88rs6000t.h"
#include "lgdt3306a.h"

static unsigned int debug;

#define dprintk(level, fmt, arg...)\
 do { if (debug >= level)\
  printk(KERN_DEBUG pr_fmt("%s dvb: " fmt), \
   __func__, ##arg); \
 } while (0)

/* ------------------------------------------------------------------ */

static unsigned int alt_tuner;
module_param(alt_tuner, int0644);
MODULE_PARM_DESC(alt_tuner, "Enable alternate tuner configuration");

DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

/* ------------------------------------------------------------------ */

static int queue_setup(struct vb2_queue *q,
      unsigned int *num_buffers, unsigned int *num_planes,
      unsigned int sizes[], struct device *alloc_devs[])
{
 struct cx23885_tsport *port = q->drv_priv;

 port->ts_packet_size  = 188 * 4;
 port->ts_packet_count = 32;
 *num_planes = 1;
 sizes[0] = port->ts_packet_size * port->ts_packet_count;
 *num_buffers = 32;
 return 0;
}


static int buffer_prepare(struct vb2_buffer *vb)
{
 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 struct cx23885_tsport *port = vb->vb2_queue->drv_priv;
 struct cx23885_buffer *buf =
  container_of(vbuf, struct cx23885_buffer, vb);

 return cx23885_buf_prepare(buf, port);
}

static void buffer_finish(struct vb2_buffer *vb)
{
 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 struct cx23885_tsport *port = vb->vb2_queue->drv_priv;
 struct cx23885_dev *dev = port->dev;
 struct cx23885_buffer *buf = container_of(vbuf,
  struct cx23885_buffer, vb);

 cx23885_free_buffer(dev, buf);
}

static void buffer_queue(struct vb2_buffer *vb)
{
 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 struct cx23885_tsport *port = vb->vb2_queue->drv_priv;
 struct cx23885_buffer   *buf = container_of(vbuf,
  struct cx23885_buffer, vb);

 cx23885_buf_queue(port, buf);
}

static void cx23885_dvb_gate_ctrl(struct cx23885_tsport  *port, int open)
{
 struct vb2_dvb_frontends *f;
 struct vb2_dvb_frontend *fe;

 f = &port->frontends;

 if (f->gate <= 1/* undefined or fe0 */
  fe = vb2_dvb_get_frontend(f, 1);
 else
  fe = vb2_dvb_get_frontend(f, f->gate);

 if (fe && fe->dvb.frontend && fe->dvb.frontend->ops.i2c_gate_ctrl)
  fe->dvb.frontend->ops.i2c_gate_ctrl(fe->dvb.frontend, open);
}

static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count)
{
 struct cx23885_tsport *port = q->drv_priv;
 struct cx23885_dmaqueue *dmaq = &port->mpegq;
 struct cx23885_buffer *buf = list_entry(dmaq->active.next,
   struct cx23885_buffer, queue);

 cx23885_start_dma(port, dmaq, buf);
 return 0;
}

static void cx23885_stop_streaming(struct vb2_queue *q)
{
 struct cx23885_tsport *port = q->drv_priv;

 cx23885_cancel_buffers(port);
}

static const struct vb2_ops dvb_qops = {
 .queue_setup    = queue_setup,
 .buf_prepare  = buffer_prepare,
 .buf_finish = buffer_finish,
 .buf_queue    = buffer_queue,
 .start_streaming = cx23885_start_streaming,
 .stop_streaming = cx23885_stop_streaming,
};

static struct s5h1409_config hauppauge_generic_config = {
 .demod_address = 0x32 >> 1,
 .output_mode   = S5H1409_SERIAL_OUTPUT,
 .gpio          = S5H1409_GPIO_ON,
 .qam_if        = 44000,
 .inversion     = S5H1409_INVERSION_OFF,
 .status_mode   = S5H1409_DEMODLOCKING,
 .mpeg_timing   = S5H1409_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK,
};

static struct tda10048_config hauppauge_hvr1200_config = {
 .demod_address    = 0x10 >> 1,
 .output_mode      = TDA10048_SERIAL_OUTPUT,
 .fwbulkwritelen   = TDA10048_BULKWRITE_200,
 .inversion        = TDA10048_INVERSION_ON,
 .dtv6_if_freq_khz = TDA10048_IF_3300,
 .dtv7_if_freq_khz = TDA10048_IF_3800,
 .dtv8_if_freq_khz = TDA10048_IF_4300,
 .clk_freq_khz     = TDA10048_CLK_16000,
};

static struct tda10048_config hauppauge_hvr1210_config = {
 .demod_address    = 0x10 >> 1,
 .output_mode      = TDA10048_SERIAL_OUTPUT,
 .fwbulkwritelen   = TDA10048_BULKWRITE_200,
 .inversion        = TDA10048_INVERSION_ON,
 .dtv6_if_freq_khz = TDA10048_IF_3300,
 .dtv7_if_freq_khz = TDA10048_IF_3500,
 .dtv8_if_freq_khz = TDA10048_IF_4000,
 .clk_freq_khz     = TDA10048_CLK_16000,
};

static struct s5h1409_config hauppauge_ezqam_config = {
 .demod_address = 0x32 >> 1,
 .output_mode   = S5H1409_SERIAL_OUTPUT,
 .gpio          = S5H1409_GPIO_OFF,
 .qam_if        = 4000,
 .inversion     = S5H1409_INVERSION_ON,
 .status_mode   = S5H1409_DEMODLOCKING,
 .mpeg_timing   = S5H1409_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK,
};

static struct s5h1409_config hauppauge_hvr1800lp_config = {
 .demod_address = 0x32 >> 1,
 .output_mode   = S5H1409_SERIAL_OUTPUT,
 .gpio          = S5H1409_GPIO_OFF,
 .qam_if        = 44000,
 .inversion     = S5H1409_INVERSION_OFF,
 .status_mode   = S5H1409_DEMODLOCKING,
 .mpeg_timing   = S5H1409_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK,
};

static struct s5h1409_config hauppauge_hvr1500_config = {
 .demod_address = 0x32 >> 1,
 .output_mode   = S5H1409_SERIAL_OUTPUT,
 .gpio          = S5H1409_GPIO_OFF,
 .inversion     = S5H1409_INVERSION_OFF,
 .status_mode   = S5H1409_DEMODLOCKING,
 .mpeg_timing   = S5H1409_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK,
};

static struct mt2131_config hauppauge_generic_tunerconfig = {
 0x61
};

static struct lgdt330x_config fusionhdtv_5_express = {
 .demod_chip = LGDT3303,
 .serial_mpeg = 0x40,
};

static struct s5h1409_config hauppauge_hvr1500q_config = {
 .demod_address = 0x32 >> 1,
 .output_mode   = S5H1409_SERIAL_OUTPUT,
 .gpio          = S5H1409_GPIO_ON,
 .qam_if        = 44000,
 .inversion     = S5H1409_INVERSION_OFF,
 .status_mode   = S5H1409_DEMODLOCKING,
 .mpeg_timing   = S5H1409_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK,
};

static struct s5h1409_config dvico_s5h1409_config = {
 .demod_address = 0x32 >> 1,
 .output_mode   = S5H1409_SERIAL_OUTPUT,
 .gpio          = S5H1409_GPIO_ON,
 .qam_if        = 44000,
 .inversion     = S5H1409_INVERSION_OFF,
 .status_mode   = S5H1409_DEMODLOCKING,
 .mpeg_timing   = S5H1409_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK,
};

static struct s5h1411_config dvico_s5h1411_config = {
 .output_mode   = S5H1411_SERIAL_OUTPUT,
 .gpio          = S5H1411_GPIO_ON,
 .qam_if        = S5H1411_IF_44000,
 .vsb_if        = S5H1411_IF_44000,
 .inversion     = S5H1411_INVERSION_OFF,
 .status_mode   = S5H1411_DEMODLOCKING,
 .mpeg_timing   = S5H1411_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK,
};

static struct s5h1411_config hcw_s5h1411_config = {
 .output_mode   = S5H1411_SERIAL_OUTPUT,
 .gpio          = S5H1411_GPIO_OFF,
 .vsb_if        = S5H1411_IF_44000,
 .qam_if        = S5H1411_IF_4000,
 .inversion     = S5H1411_INVERSION_ON,
 .status_mode   = S5H1411_DEMODLOCKING,
 .mpeg_timing   = S5H1411_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK,
};

static struct xc5000_config hauppauge_hvr1500q_tunerconfig = {
 .i2c_address      = 0x61,
 .if_khz           = 5380,
};

static struct xc5000_config dvico_xc5000_tunerconfig = {
 .i2c_address      = 0x64,
 .if_khz           = 5380,
};

static struct tda829x_config tda829x_no_probe = {
 .probe_tuner = TDA829X_DONT_PROBE,
};

static struct tda18271_std_map hauppauge_tda18271_std_map = {
 .atsc_6   = { .if_freq = 5380, .agc_mode = 3, .std = 3,
        .if_lvl = 6, .rfagc_top = 0x37 },
 .qam_6    = { .if_freq = 4000, .agc_mode = 3, .std = 0,
        .if_lvl = 6, .rfagc_top = 0x37 },
};

static struct tda18271_std_map hauppauge_hvr1200_tda18271_std_map = {
 .dvbt_6   = { .if_freq = 3300, .agc_mode = 3, .std = 4,
        .if_lvl = 1, .rfagc_top = 0x37, },
 .dvbt_7   = { .if_freq = 3800, .agc_mode = 3, .std = 5,
        .if_lvl = 1, .rfagc_top = 0x37, },
 .dvbt_8   = { .if_freq = 4300, .agc_mode = 3, .std = 6,
        .if_lvl = 1, .rfagc_top = 0x37, },
};

static struct tda18271_config hauppauge_tda18271_config = {
 .std_map = &hauppauge_tda18271_std_map,
 .gate    = TDA18271_GATE_ANALOG,
 .output_opt = TDA18271_OUTPUT_LT_OFF,
};

static struct tda18271_config hauppauge_hvr1200_tuner_config = {
 .std_map = &hauppauge_hvr1200_tda18271_std_map,
 .gate    = TDA18271_GATE_ANALOG,
 .output_opt = TDA18271_OUTPUT_LT_OFF,
};

static struct tda18271_config hauppauge_hvr1210_tuner_config = {
 .gate    = TDA18271_GATE_DIGITAL,
 .output_opt = TDA18271_OUTPUT_LT_OFF,
};

static struct tda18271_config hauppauge_hvr4400_tuner_config = {
 .gate    = TDA18271_GATE_DIGITAL,
 .output_opt = TDA18271_OUTPUT_LT_OFF,
};

static struct tda18271_std_map hauppauge_hvr127x_std_map = {
 .atsc_6   = { .if_freq = 3250, .agc_mode = 3, .std = 4,
        .if_lvl = 1, .rfagc_top = 0x58 },
 .qam_6    = { .if_freq = 4000, .agc_mode = 3, .std = 5,
        .if_lvl = 1, .rfagc_top = 0x58 },
};

static struct tda18271_config hauppauge_hvr127x_config = {
 .std_map = &hauppauge_hvr127x_std_map,
 .output_opt = TDA18271_OUTPUT_LT_OFF,
};

static struct lgdt3305_config hauppauge_lgdt3305_config = {
 .i2c_addr           = 0x0e,
 .mpeg_mode          = LGDT3305_MPEG_SERIAL,
 .tpclk_edge         = LGDT3305_TPCLK_FALLING_EDGE,
 .tpvalid_polarity   = LGDT3305_TP_VALID_HIGH,
 .deny_i2c_rptr      = 1,
 .spectral_inversion = 1,
 .qam_if_khz         = 4000,
 .vsb_if_khz         = 3250,
};

static struct dibx000_agc_config xc3028_agc_config = {
 BAND_VHF | BAND_UHF, /* band_caps */

 /* P_agc_use_sd_mod1=0, P_agc_use_sd_mod2=0, P_agc_freq_pwm_div=0,
 * P_agc_inv_pwm1=0, P_agc_inv_pwm2=0,
 * P_agc_inh_dc_rv_est=0, P_agc_time_est=3, P_agc_freeze=0,
 * P_agc_nb_est=2, P_agc_write=0
 */

 (0 << 15) | (0 << 14) | (0 << 11) | (0 << 10) | (0 << 9) | (0 << 8) |
  (3 << 5) | (0 << 4) | (2 << 1) | (0 << 0), /* setup */

 712/* inv_gain */
 21/* time_stabiliz */

 0/* alpha_level */
 118/* thlock */

 0/* wbd_inv */
 2867/* wbd_ref */
 0/* wbd_sel */
 2/* wbd_alpha */

 0/* agc1_max */
 0/* agc1_min */
 39718/* agc2_max */
 9930/* agc2_min */
 0/* agc1_pt1 */
 0/* agc1_pt2 */
 0/* agc1_pt3 */
 0/* agc1_slope1 */
 0/* agc1_slope2 */
 0/* agc2_pt1 */
 128/* agc2_pt2 */
 29/* agc2_slope1 */
 29/* agc2_slope2 */

 17/* alpha_mant */
 27/* alpha_exp */
 23/* beta_mant */
 51/* beta_exp */

 1/* perform_agc_softsplit */
};

/* PLL Configuration for COFDM BW_MHz = 8.000000
 * With external clock = 30.000000 */

static struct dibx000_bandwidth_config xc3028_bw_config = {
 60000/* internal */
 30000/* sampling */
 1/* pll_cfg: prediv */
 8/* pll_cfg: ratio */
 3/* pll_cfg: range */
 1/* pll_cfg: reset */
 0/* pll_cfg: bypass */
 0/* misc: refdiv */
 0/* misc: bypclk_div */
 1/* misc: IO_CLK_en_core */
 1/* misc: ADClkSrc */
 0/* misc: modulo */
 (3 << 14) | (1 << 12) | (524 << 0), /* sad_cfg: refsel, sel, freq_15k */
 (1 << 25) | 5816102/* ifreq = 5.200000 MHz */
 20452225/* timf */
 30000000  /* xtal_hz */
};

static struct dib7000p_config hauppauge_hvr1400_dib7000_config = {
 .output_mpeg2_in_188_bytes = 1,
 .hostbus_diversity = 1,
 .tuner_is_baseband = 0,
 .update_lna  = NULL,

 .agc_config_count = 1,
 .agc = &xc3028_agc_config,
 .bw  = &xc3028_bw_config,

 .gpio_dir = DIB7000P_GPIO_DEFAULT_DIRECTIONS,
 .gpio_val = DIB7000P_GPIO_DEFAULT_VALUES,
 .gpio_pwm_pos = DIB7000P_GPIO_DEFAULT_PWM_POS,

 .pwm_freq_div = 0,
 .agc_control  = NULL,
 .spur_protect = 0,

 .output_mode = OUTMODE_MPEG2_SERIAL,
};

static struct zl10353_config dvico_fusionhdtv_xc3028 = {
 .demod_address = 0x0f,
 .if2           = 45600,
 .no_tuner      = 1,
 .disable_i2c_gate_ctrl = 1,
};

static struct stv0900_reg stv0900_ts_regs[] = {
 { R0900_TSGENERAL, 0x00 },
 { R0900_P1_TSSPEED, 0x40 },
 { R0900_P2_TSSPEED, 0x40 },
 { R0900_P1_TSCFGM, 0xc0 },
 { R0900_P2_TSCFGM, 0xc0 },
 { R0900_P1_TSCFGH, 0xe0 },
 { R0900_P2_TSCFGH, 0xe0 },
 { R0900_P1_TSCFGL, 0x20 },
 { R0900_P2_TSCFGL, 0x20 },
 { 0xffff, 0xff }, /* terminate */
};

static struct stv0900_config netup_stv0900_config = {
 .demod_address = 0x68,
 .demod_mode = 1/* dual */
 .xtal = 8000000,
 .clkmode = 3,/* 0-CLKI, 2-XTALI, else AUTO */
 .diseqc_mode = 2,/* 2/3 PWM */
 .ts_config_regs = stv0900_ts_regs,
 .tun1_maddress = 0,/* 0x60 */
 .tun2_maddress = 3,/* 0x63 */
 .tun1_adc = 1,/* 1 Vpp */
 .tun2_adc = 1,/* 1 Vpp */
};

static struct stv6110_config netup_stv6110_tunerconfig_a = {
 .i2c_address = 0x60,
 .mclk = 16000000,
 .clk_div = 1,
 .gain = 8/* +16 dB  - maximum gain */
};

static struct stv6110_config netup_stv6110_tunerconfig_b = {
 .i2c_address = 0x63,
 .mclk = 16000000,
 .clk_div = 1,
 .gain = 8/* +16 dB  - maximum gain */
};

static struct cx24116_config tbs_cx24116_config = {
 .demod_address = 0x55,
};

static struct cx24117_config tbs_cx24117_config = {
 .demod_address = 0x55,
};

static struct ds3000_config tevii_ds3000_config = {
 .demod_address = 0x68,
};

static struct ts2020_config tevii_ts2020_config  = {
 .tuner_address = 0x60,
 .clk_out_div = 1,
 .frequency_div = 1146000,
};

static struct cx24116_config dvbworld_cx24116_config = {
 .demod_address = 0x05,
};

static struct lgs8gxx_config mygica_x8506_lgs8gl5_config = {
 .prod = LGS8GXX_PROD_LGS8GL5,
 .demod_address = 0x19,
 .serial_ts = 0,
 .ts_clk_pol = 1,
 .ts_clk_gated = 1,
 .if_clk_freq = 30400/* 30.4 MHz */
 .if_freq = 5380/* 5.38 MHz */
 .if_neg_center = 1,
 .ext_adc = 0,
 .adc_signed = 0,
 .if_neg_edge = 0,
};

static struct xc5000_config mygica_x8506_xc5000_config = {
 .i2c_address = 0x61,
 .if_khz = 5380,
};

static struct mb86a20s_config mygica_x8507_mb86a20s_config = {
 .demod_address = 0x10,
};

static struct xc5000_config mygica_x8507_xc5000_config = {
 .i2c_address = 0x61,
 .if_khz = 4000,
};

static struct stv090x_config prof_8000_stv090x_config = {
 .device                 = STV0903,
 .demod_mode             = STV090x_SINGLE,
 .clk_mode               = STV090x_CLK_EXT,
 .xtal                   = 27000000,
 .address                = 0x6A,
 .ts1_mode               = STV090x_TSMODE_PARALLEL_PUNCTURED,
 .repeater_level         = STV090x_RPTLEVEL_64,
 .adc1_range             = STV090x_ADC_2Vpp,
 .diseqc_envelope_mode   = false,

 .tuner_get_frequency    = stb6100_get_frequency,
 .tuner_set_frequency    = stb6100_set_frequency,
 .tuner_set_bandwidth    = stb6100_set_bandwidth,
 .tuner_get_bandwidth    = stb6100_get_bandwidth,
};

static struct stb6100_config prof_8000_stb6100_config = {
 .tuner_address = 0x60,
 .refclock = 27000000,
};

static struct lgdt3306a_config hauppauge_quadHD_ATSC_a_config = {
 .i2c_addr               = 0x59,
 .qam_if_khz             = 4000,
 .vsb_if_khz             = 3250,
 .deny_i2c_rptr          = 1/* Disabled */
 .spectral_inversion     = 0/* Disabled */
 .mpeg_mode              = LGDT3306A_MPEG_SERIAL,
 .tpclk_edge             = LGDT3306A_TPCLK_RISING_EDGE,
 .tpvalid_polarity       = LGDT3306A_TP_VALID_HIGH,
 .xtalMHz                = 25/* 24 or 25 */
};

static struct lgdt3306a_config hauppauge_quadHD_ATSC_b_config = {
 .i2c_addr               = 0x0e,
 .qam_if_khz             = 4000,
 .vsb_if_khz             = 3250,
 .deny_i2c_rptr          = 1/* Disabled */
 .spectral_inversion     = 0/* Disabled */
 .mpeg_mode              = LGDT3306A_MPEG_SERIAL,
 .tpclk_edge             = LGDT3306A_TPCLK_RISING_EDGE,
 .tpvalid_polarity       = LGDT3306A_TP_VALID_HIGH,
 .xtalMHz                = 25/* 24 or 25 */
};

static int p8000_set_voltage(struct dvb_frontend *fe,
        enum fe_sec_voltage voltage)
{
 struct cx23885_tsport *port = fe->dvb->priv;
 struct cx23885_dev *dev = port->dev;

 if (voltage == SEC_VOLTAGE_18)
  cx_write(MC417_RWD, 0x00001e00);
 else if (voltage == SEC_VOLTAGE_13)
  cx_write(MC417_RWD, 0x00001a00);
 else
  cx_write(MC417_RWD, 0x00001800);
 return 0;
}

static int dvbsky_t9580_set_voltage(struct dvb_frontend *fe,
     enum fe_sec_voltage voltage)
{
 struct cx23885_tsport *port = fe->dvb->priv;
 struct cx23885_dev *dev = port->dev;

 cx23885_gpio_enable(dev, GPIO_0 | GPIO_1, 1);

 switch (voltage) {
 case SEC_VOLTAGE_13:
  cx23885_gpio_set(dev, GPIO_1);
  cx23885_gpio_clear(dev, GPIO_0);
  break;
 case SEC_VOLTAGE_18:
  cx23885_gpio_set(dev, GPIO_1);
  cx23885_gpio_set(dev, GPIO_0);
  break;
 case SEC_VOLTAGE_OFF:
  cx23885_gpio_clear(dev, GPIO_1);
  cx23885_gpio_clear(dev, GPIO_0);
  break;
 }

 /* call the frontend set_voltage function */
 port->fe_set_voltage(fe, voltage);

 return 0;
}

static int dvbsky_s952_portc_set_voltage(struct dvb_frontend *fe,
     enum fe_sec_voltage voltage)
{
 struct cx23885_tsport *port = fe->dvb->priv;
 struct cx23885_dev *dev = port->dev;

 cx23885_gpio_enable(dev, GPIO_12 | GPIO_13, 1);

 switch (voltage) {
 case SEC_VOLTAGE_13:
  cx23885_gpio_set(dev, GPIO_13);
  cx23885_gpio_clear(dev, GPIO_12);
  break;
 case SEC_VOLTAGE_18:
  cx23885_gpio_set(dev, GPIO_13);
  cx23885_gpio_set(dev, GPIO_12);
  break;
 case SEC_VOLTAGE_OFF:
  cx23885_gpio_clear(dev, GPIO_13);
  cx23885_gpio_clear(dev, GPIO_12);
  break;
 }
 /* call the frontend set_voltage function */
 return port->fe_set_voltage(fe, voltage);
}

static int cx23885_sp2_ci_ctrl(void *priv, u8 read, int addr,
    u8 data, int *mem)
{
 /* MC417 */
 #define SP2_DATA              0x000000ff
 #define SP2_WR                0x00008000
 #define SP2_RD                0x00004000
 #define SP2_ACK               0x00001000
 #define SP2_ADHI              0x00000800
 #define SP2_ADLO              0x00000400
 #define SP2_CS1               0x00000200
 #define SP2_CS0               0x00000100
 #define SP2_EN_ALL            0x00001000
 #define SP2_CTRL_OFF          (SP2_CS1 | SP2_CS0 | SP2_WR | SP2_RD)

 struct cx23885_tsport *port = priv;
 struct cx23885_dev *dev = port->dev;
 int ret;
 int tmp = 0;
 unsigned long timeout;

 mutex_lock(&dev->gpio_lock);

 /* write addr */
 cx_write(MC417_OEN, SP2_EN_ALL);
 cx_write(MC417_RWD, SP2_CTRL_OFF |
    SP2_ADLO | (0xff & addr));
 cx_clear(MC417_RWD, SP2_ADLO);
 cx_write(MC417_RWD, SP2_CTRL_OFF |
    SP2_ADHI | (0xff & (addr >> 8)));
 cx_clear(MC417_RWD, SP2_ADHI);

 if (read)
  /* data in */
  cx_write(MC417_OEN, SP2_EN_ALL | SP2_DATA);
 else
  /* data out */
  cx_write(MC417_RWD, SP2_CTRL_OFF | data);

 /* chip select 0 */
 cx_clear(MC417_RWD, SP2_CS0);

 /* read/write */
 cx_clear(MC417_RWD, (read) ? SP2_RD : SP2_WR);

 /* wait for a maximum of 1 msec */
 timeout = jiffies + msecs_to_jiffies(1);
 while (!time_after(jiffies, timeout)) {
  tmp = cx_read(MC417_RWD);
  if ((tmp & SP2_ACK) == 0)
   break;
  usleep_range(50100);
 }

 cx_set(MC417_RWD, SP2_CTRL_OFF);
 *mem = tmp & 0xff;

 mutex_unlock(&dev->gpio_lock);

 if (!read) {
  if (*mem < 0) {
   ret = -EREMOTEIO;
   goto err;
  }
 }

 return 0;
err:
 return ret;
}

static int cx23885_dvb_set_frontend(struct dvb_frontend *fe)
{
 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
 struct cx23885_tsport *port = fe->dvb->priv;
 struct cx23885_dev *dev = port->dev;

 switch (dev->board) {
 case CX23885_BOARD_HAUPPAUGE_HVR1275:
  switch (p->modulation) {
  case VSB_8:
   cx23885_gpio_clear(dev, GPIO_5);
   break;
  case QAM_64:
  case QAM_256:
  default:
   cx23885_gpio_set(dev, GPIO_5);
   break;
  }
  break;
 case CX23885_BOARD_MYGICA_X8506:
 case CX23885_BOARD_MYGICA_X8507:
 case CX23885_BOARD_MAGICPRO_PROHDTVE2:
  /* Select Digital TV */
  cx23885_gpio_set(dev, GPIO_0);
  break;
 }

 /* Call the real set_frontend */
 if (port->set_frontend)
  return port->set_frontend(fe);

 return 0;
}

static void cx23885_set_frontend_hook(struct cx23885_tsport *port,
         struct dvb_frontend *fe)
{
 port->set_frontend = fe->ops.set_frontend;
 fe->ops.set_frontend = cx23885_dvb_set_frontend;
}

static struct lgs8gxx_config magicpro_prohdtve2_lgs8g75_config = {
 .prod = LGS8GXX_PROD_LGS8G75,
 .demod_address = 0x19,
 .serial_ts = 0,
 .ts_clk_pol = 1,
 .ts_clk_gated = 1,
 .if_clk_freq = 30400/* 30.4 MHz */
 .if_freq = 6500/* 6.50 MHz */
 .if_neg_center = 1,
 .ext_adc = 0,
 .adc_signed = 1,
 .adc_vpp = 2/* 1.6 Vpp */
 .if_neg_edge = 1,
};

static struct xc5000_config magicpro_prohdtve2_xc5000_config = {
 .i2c_address = 0x61,
 .if_khz = 6500,
};

static struct atbm8830_config mygica_x8558pro_atbm8830_cfg1 = {
 .prod = ATBM8830_PROD_8830,
 .demod_address = 0x44,
 .serial_ts = 0,
 .ts_sampling_edge = 1,
 .ts_clk_gated = 0,
 .osc_clk_freq = 30400/* in kHz */
 .if_freq = 0/* zero IF */
 .zif_swap_iq = 1,
 .agc_min = 0x2E,
 .agc_max = 0xFF,
 .agc_hold_loop = 0,
};

static struct max2165_config mygic_x8558pro_max2165_cfg1 = {
 .i2c_address = 0x60,
 .osc_clk = 20
};

static struct atbm8830_config mygica_x8558pro_atbm8830_cfg2 = {
 .prod = ATBM8830_PROD_8830,
 .demod_address = 0x44,
 .serial_ts = 1,
 .ts_sampling_edge = 1,
 .ts_clk_gated = 0,
 .osc_clk_freq = 30400/* in kHz */
 .if_freq = 0/* zero IF */
 .zif_swap_iq = 1,
 .agc_min = 0x2E,
 .agc_max = 0xFF,
 .agc_hold_loop = 0,
};

static struct max2165_config mygic_x8558pro_max2165_cfg2 = {
 .i2c_address = 0x60,
 .osc_clk = 20
};
static struct stv0367_config netup_stv0367_config[] = {
 {
  .demod_address = 0x1c,
  .xtal = 27000000,
  .if_khz = 4500,
  .if_iq_mode = 0,
  .ts_mode = 1,
  .clk_pol = 0,
 }, {
  .demod_address = 0x1d,
  .xtal = 27000000,
  .if_khz = 4500,
  .if_iq_mode = 0,
  .ts_mode = 1,
  .clk_pol = 0,
 },
};

static struct xc5000_config netup_xc5000_config[] = {
 {
  .i2c_address = 0x61,
  .if_khz = 4500,
 }, {
  .i2c_address = 0x64,
  .if_khz = 4500,
 },
};

static struct drxk_config terratec_drxk_config[] = {
 {
  .adr = 0x29,
  .no_i2c_bridge = 1,
 }, {
  .adr = 0x2a,
  .no_i2c_bridge = 1,
 },
};

static struct mt2063_config terratec_mt2063_config[] = {
 {
  .tuner_address = 0x60,
 }, {
  .tuner_address = 0x67,
 },
};

static const struct tda10071_platform_data hauppauge_tda10071_pdata = {
 .clk = 40444000/* 40.444 MHz */
 .i2c_wr_max = 64,
 .ts_mode = TDA10071_TS_SERIAL,
 .pll_multiplier = 20,
 .tuner_i2c_addr = 0x54,
};

static const struct m88ds3103_config dvbsky_t9580_m88ds3103_config = {
 .i2c_addr = 0x68,
 .clock = 27000000,
 .i2c_wr_max = 33,
 .clock_out = 0,
 .ts_mode = M88DS3103_TS_PARALLEL,
 .ts_clk = 16000,
 .ts_clk_pol = 1,
 .lnb_en_pol = 1,
 .lnb_hv_pol = 0,
 .agc = 0x99,
};

static const struct m88ds3103_config dvbsky_s950c_m88ds3103_config = {
 .i2c_addr = 0x68,
 .clock = 27000000,
 .i2c_wr_max = 33,
 .clock_out = 0,
 .ts_mode = M88DS3103_TS_CI,
 .ts_clk = 10000,
 .ts_clk_pol = 1,
 .lnb_en_pol = 1,
 .lnb_hv_pol = 0,
 .agc = 0x99,
};

static const struct m88ds3103_config hauppauge_hvr5525_m88ds3103_config = {
 .i2c_addr = 0x69,
 .clock = 27000000,
 .i2c_wr_max = 33,
 .ts_mode = M88DS3103_TS_PARALLEL,
 .ts_clk = 16000,
 .ts_clk_pol = 1,
 .agc = 0x99,
};

static struct lgdt3306a_config hauppauge_hvr1265k4_config = {
 .i2c_addr               = 0x59,
 .qam_if_khz             = 4000,
 .vsb_if_khz             = 3250,
 .deny_i2c_rptr          = 1/* Disabled */
 .spectral_inversion     = 0/* Disabled */
 .mpeg_mode              = LGDT3306A_MPEG_SERIAL,
 .tpclk_edge             = LGDT3306A_TPCLK_RISING_EDGE,
 .tpvalid_polarity       = LGDT3306A_TP_VALID_HIGH,
 .xtalMHz                = 25/* 24 or 25 */
};

static int netup_altera_fpga_rw(void *device, int flag, int data, int read)
{
 struct cx23885_dev *dev = (struct cx23885_dev *)device;
 unsigned long timeout = jiffies + msecs_to_jiffies(1);
 uint32_t mem = 0;

 mem = cx_read(MC417_RWD);
 if (read)
  cx_set(MC417_OEN, ALT_DATA);
 else {
  cx_clear(MC417_OEN, ALT_DATA);/* D0-D7 out */
  mem &= ~ALT_DATA;
  mem |= (data & ALT_DATA);
 }

 if (flag)
  mem |= ALT_AD_RG;
 else
  mem &= ~ALT_AD_RG;

 mem &= ~ALT_CS;
 if (read)
  mem = (mem & ~ALT_RD) | ALT_WR;
 else
  mem = (mem & ~ALT_WR) | ALT_RD;

 cx_write(MC417_RWD, mem);  /* start RW cycle */

 for (;;) {
  mem = cx_read(MC417_RWD);
  if ((mem & ALT_RDY) == 0)
   break;
  if (time_after(jiffies, timeout))
   break;
  udelay(1);
 }

 cx_set(MC417_RWD, ALT_RD | ALT_WR | ALT_CS);
 if (read)
  return mem & ALT_DATA;

 return 0;
};

static int dib7070_tuner_reset(struct dvb_frontend *fe, int onoff)
{
 struct dib7000p_ops *dib7000p_ops = fe->sec_priv;

 return dib7000p_ops->set_gpio(fe, 80, !onoff);
}

static int dib7070_tuner_sleep(struct dvb_frontend *fe, int onoff)
{
 return 0;
}

static struct dib0070_config dib7070p_dib0070_config = {
 .i2c_address = DEFAULT_DIB0070_I2C_ADDRESS,
 .reset = dib7070_tuner_reset,
 .sleep = dib7070_tuner_sleep,
 .clock_khz = 12000,
 .freq_offset_khz_vhf = 550,
 /* .flip_chip = 1, */
};

/* DIB7070 generic */
static struct dibx000_agc_config dib7070_agc_config = {
 .band_caps = BAND_UHF | BAND_VHF | BAND_LBAND | BAND_SBAND,

 /*
 * P_agc_use_sd_mod1=0, P_agc_use_sd_mod2=0, P_agc_freq_pwm_div=5,
 * P_agc_inv_pwm1=0, P_agc_inv_pwm2=0, P_agc_inh_dc_rv_est=0,
 * P_agc_time_est=3, P_agc_freeze=0, P_agc_nb_est=5, P_agc_write=0
 */

 .setup = (0 << 15) | (0 << 14) | (5 << 11) | (0 << 10) | (0 << 9) |
   (0 << 8) | (3 << 5) | (0 << 4) | (5 << 1) | (0 << 0),
 .inv_gain = 600,
 .time_stabiliz = 10,
 .alpha_level = 0,
 .thlock = 118,
 .wbd_inv = 0,
 .wbd_ref = 3530,
 .wbd_sel = 1,
 .wbd_alpha = 5,
 .agc1_max = 65535,
 .agc1_min = 0,
 .agc2_max = 65535,
 .agc2_min = 0,
 .agc1_pt1 = 0,
 .agc1_pt2 = 40,
 .agc1_pt3 = 183,
 .agc1_slope1 = 206,
 .agc1_slope2 = 255,
 .agc2_pt1 = 72,
 .agc2_pt2 = 152,
 .agc2_slope1 = 88,
 .agc2_slope2 = 90,
 .alpha_mant = 17,
 .alpha_exp = 27,
 .beta_mant = 23,
 .beta_exp = 51,
 .perform_agc_softsplit = 0,
};

static struct dibx000_bandwidth_config dib7070_bw_config_12_mhz = {
 .internal = 60000,
 .sampling = 15000,
 .pll_prediv = 1,
 .pll_ratio = 20,
 .pll_range = 3,
 .pll_reset = 1,
 .pll_bypass = 0,
 .enable_refdiv = 0,
 .bypclk_div = 0,
 .IO_CLK_en_core = 1,
 .ADClkSrc = 1,
 .modulo = 2,
 /* refsel, sel, freq_15k */
 .sad_cfg = (3 << 14) | (1 << 12) | (524 << 0),
 .ifreq = (0 << 25) | 0,
 .timf = 20452225,
 .xtal_hz = 12000000,
};

static struct dib7000p_config dib7070p_dib7000p_config = {
 /* .output_mode = OUTMODE_MPEG2_FIFO, */
 .output_mode = OUTMODE_MPEG2_SERIAL,
 /* .output_mode = OUTMODE_MPEG2_PAR_GATED_CLK, */
 .output_mpeg2_in_188_bytes = 1,

 .agc_config_count = 1,
 .agc = &dib7070_agc_config,
 .bw  = &dib7070_bw_config_12_mhz,
 .tuner_is_baseband = 1,
 .spur_protect = 1,

 .gpio_dir = 0xfcef, /* DIB7000P_GPIO_DEFAULT_DIRECTIONS, */
 .gpio_val = 0x0110, /* DIB7000P_GPIO_DEFAULT_VALUES, */
 .gpio_pwm_pos = DIB7000P_GPIO_DEFAULT_PWM_POS,

 .hostbus_diversity = 1,
};

static int dvb_register_ci_mac(struct cx23885_tsport *port)
{
 struct cx23885_dev *dev = port->dev;
 struct i2c_client *client_ci = NULL;
 struct vb2_dvb_frontend *fe0;

 fe0 = vb2_dvb_get_frontend(&port->frontends, 1);
 if (!fe0)
  return -EINVAL;

 switch (dev->board) {
 case CX23885_BOARD_NETUP_DUAL_DVBS2_CI: {
  static struct netup_card_info cinfo;

  netup_get_card_info(&dev->i2c_bus[0].i2c_adap, &cinfo);
  memcpy(port->frontends.adapter.proposed_mac,
    cinfo.port[port->nr - 1].mac, 6);
  pr_info("NetUP Dual DVB-S2 CI card port%d MAC=%pM\n",
   port->nr, port->frontends.adapter.proposed_mac);

  netup_ci_init(port);
  return 0;
  }
 case CX23885_BOARD_NETUP_DUAL_DVB_T_C_CI_RF: {
  struct altera_ci_config netup_ci_cfg = {
   .dev = dev,/* magic number to identify*/
   .adapter = &port->frontends.adapter,/* for CI */
   .demux = &fe0->dvb.demux,/* for hw pid filter */
   .fpga_rw = netup_altera_fpga_rw,
  };

  altera_ci_init(&netup_ci_cfg, port->nr);
  return 0;
  }
 case CX23885_BOARD_TEVII_S470: {
  u8 eeprom[256]; /* 24C02 i2c eeprom */

  if (port->nr != 1)
   return 0;

  /* Read entire EEPROM */
  dev->i2c_bus[0].i2c_client.addr = 0xa0 >> 1;
  tveeprom_read(&dev->i2c_bus[0].i2c_client, eeprom, sizeof(eeprom));
  pr_info("TeVii S470 MAC= %pM\n", eeprom + 0xa0);
  memcpy(port->frontends.adapter.proposed_mac, eeprom + 0xa0, 6);
  return 0;
  }
 case CX23885_BOARD_DVBSKY_T9580:
 case CX23885_BOARD_DVBSKY_S950:
 case CX23885_BOARD_DVBSKY_S952:
 case CX23885_BOARD_DVBSKY_T982: {
  u8 eeprom[256]; /* 24C02 i2c eeprom */

  if (port->nr > 2)
   return 0;

  /* Read entire EEPROM */
  dev->i2c_bus[0].i2c_client.addr = 0xa0 >> 1;
  tveeprom_read(&dev->i2c_bus[0].i2c_client, eeprom,
    sizeof(eeprom));
  pr_info("%s port %d MAC address: %pM\n",
   cx23885_boards[dev->board].name, port->nr,
   eeprom + 0xc0 + (port->nr-1) * 8);
  memcpy(port->frontends.adapter.proposed_mac, eeprom + 0xc0 +
   (port->nr-1) * 86);
  return 0;
  }
 case CX23885_BOARD_DVBSKY_S950C:
 case CX23885_BOARD_DVBSKY_T980C:
 case CX23885_BOARD_TT_CT2_4500_CI: {
  u8 eeprom[256]; /* 24C02 i2c eeprom */
  struct sp2_config sp2_config;
  struct i2c_board_info info;
  struct cx23885_i2c *i2c_bus = &dev->i2c_bus[0];

  /* attach CI */
  memset(&sp2_config, 0sizeof(sp2_config));
  sp2_config.dvb_adap = &port->frontends.adapter;
  sp2_config.priv = port;
  sp2_config.ci_control = cx23885_sp2_ci_ctrl;
  memset(&info, 0sizeof(struct i2c_board_info));
  strscpy(info.type, "sp2", I2C_NAME_SIZE);
  info.addr = 0x40;
  info.platform_data = &sp2_config;
  request_module(info.type);
  client_ci = i2c_new_client_device(&i2c_bus->i2c_adap, &info);
  if (!i2c_client_has_driver(client_ci))
   return -ENODEV;
  if (!try_module_get(client_ci->dev.driver->owner)) {
   i2c_unregister_device(client_ci);
   return -ENODEV;
  }
  port->i2c_client_ci = client_ci;

  if (port->nr != 1)
   return 0;

  /* Read entire EEPROM */
  dev->i2c_bus[0].i2c_client.addr = 0xa0 >> 1;
  tveeprom_read(&dev->i2c_bus[0].i2c_client, eeprom,
    sizeof(eeprom));
  pr_info("%s MAC address: %pM\n",
   cx23885_boards[dev->board].name, eeprom + 0xc0);
  memcpy(port->frontends.adapter.proposed_mac, eeprom + 0xc0, 6);
  return 0;
  }
 }
 return 0;
}

static int dvb_register(struct cx23885_tsport *port)
{
 struct dib7000p_ops dib7000p_ops;
 struct cx23885_dev *dev = port->dev;
 struct cx23885_i2c *i2c_bus = NULL, *i2c_bus2 = NULL;
 struct vb2_dvb_frontend *fe0, *fe1 = NULL;
 struct si2168_config si2168_config;
 struct si2165_platform_data si2165_pdata;
 struct si2157_config si2157_config;
 struct ts2020_config ts2020_config;
 struct m88ds3103_platform_data m88ds3103_pdata;
 struct m88rs6000t_config m88rs6000t_config = {};
 struct a8293_platform_data a8293_pdata = {};
 struct i2c_board_info info;
 struct i2c_adapter *adapter;
 struct i2c_client *client_demod = NULL, *client_tuner = NULL;
 struct i2c_client *client_sec = NULL;
 int (*p_set_voltage)(struct dvb_frontend *fe,
        enum fe_sec_voltage voltage) = NULL;
 int mfe_shared = 0/* bus not shared by default */
 int ret;

 /* Get the first frontend */
 fe0 = vb2_dvb_get_frontend(&port->frontends, 1);
 if (!fe0)
  return -EINVAL;

 /* init struct vb2_dvb */
 fe0->dvb.name = dev->name;

 /* multi-frontend gate control is undefined or defaults to fe0 */
 port->frontends.gate = 0;

 /* Sets the gate control callback to be used by i2c command calls */
 port->gate_ctrl = cx23885_dvb_gate_ctrl;

 /* init frontend */
 switch (dev->board) {
 case CX23885_BOARD_HAUPPAUGE_HVR1250:
  i2c_bus = &dev->i2c_bus[0];
  fe0->dvb.frontend = dvb_attach(s5h1409_attach,
      &hauppauge_generic_config,
      &i2c_bus->i2c_adap);
  if (fe0->dvb.frontend == NULL)
   break;
  dvb_attach(mt2131_attach, fe0->dvb.frontend,
      &i2c_bus->i2c_adap,
      &hauppauge_generic_tunerconfig, 0);
  break;
 case CX23885_BOARD_HAUPPAUGE_HVR1270:
 case CX23885_BOARD_HAUPPAUGE_HVR1275:
  i2c_bus = &dev->i2c_bus[0];
  fe0->dvb.frontend = dvb_attach(lgdt3305_attach,
            &hauppauge_lgdt3305_config,
            &i2c_bus->i2c_adap);
  if (fe0->dvb.frontend == NULL)
   break;
  dvb_attach(tda18271_attach, fe0->dvb.frontend,
      0x60, &dev->i2c_bus[1].i2c_adap,
      &hauppauge_hvr127x_config);
  if (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1275)
   cx23885_set_frontend_hook(port, fe0->dvb.frontend);
  break;
 case CX23885_BOARD_HAUPPAUGE_HVR1255:
 case CX23885_BOARD_HAUPPAUGE_HVR1255_22111:
  i2c_bus = &dev->i2c_bus[0];
  fe0->dvb.frontend = dvb_attach(s5h1411_attach,
            &hcw_s5h1411_config,
            &i2c_bus->i2c_adap);
  if (fe0->dvb.frontend == NULL)
   break;

  dvb_attach(tda18271_attach, fe0->dvb.frontend,
      0x60, &dev->i2c_bus[1].i2c_adap,
      &hauppauge_tda18271_config);

  tda18271_attach(&dev->ts1.analog_fe,
   0x60, &dev->i2c_bus[1].i2c_adap,
   &hauppauge_tda18271_config);

  break;
 case CX23885_BOARD_HAUPPAUGE_HVR1800:
  i2c_bus = &dev->i2c_bus[0];
  switch (alt_tuner) {
  case 1:
   fe0->dvb.frontend =
    dvb_attach(s5h1409_attach,
        &hauppauge_ezqam_config,
        &i2c_bus->i2c_adap);
   if (fe0->dvb.frontend == NULL)
    break;

   dvb_attach(tda829x_attach, fe0->dvb.frontend,
       &dev->i2c_bus[1].i2c_adap, 0x42,
       &tda829x_no_probe);
   dvb_attach(tda18271_attach, fe0->dvb.frontend,
       0x60, &dev->i2c_bus[1].i2c_adap,
       &hauppauge_tda18271_config);
   break;
  case 0:
  default:
   fe0->dvb.frontend =
    dvb_attach(s5h1409_attach,
        &hauppauge_generic_config,
        &i2c_bus->i2c_adap);
   if (fe0->dvb.frontend == NULL)
    break;
   dvb_attach(mt2131_attach, fe0->dvb.frontend,
       &i2c_bus->i2c_adap,
       &hauppauge_generic_tunerconfig, 0);
  }
  break;
 case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
  i2c_bus = &dev->i2c_bus[0];
  fe0->dvb.frontend = dvb_attach(s5h1409_attach,
      &hauppauge_hvr1800lp_config,
      &i2c_bus->i2c_adap);
  if (fe0->dvb.frontend == NULL)
   break;
  dvb_attach(mt2131_attach, fe0->dvb.frontend,
      &i2c_bus->i2c_adap,
      &hauppauge_generic_tunerconfig, 0);
  break;
 case CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP:
  i2c_bus = &dev->i2c_bus[0];
  fe0->dvb.frontend = dvb_attach(lgdt330x_attach,
            &fusionhdtv_5_express,
            0x0e,
            &i2c_bus->i2c_adap);
  if (fe0->dvb.frontend == NULL)
   break;
  dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
      &i2c_bus->i2c_adap, 0x61,
      TUNER_LG_TDVS_H06XF);
  break;
 case CX23885_BOARD_HAUPPAUGE_HVR1500Q:
  i2c_bus = &dev->i2c_bus[1];
  fe0->dvb.frontend = dvb_attach(s5h1409_attach,
      &hauppauge_hvr1500q_config,
      &dev->i2c_bus[0].i2c_adap);
  if (fe0->dvb.frontend == NULL)
   break;
  dvb_attach(xc5000_attach, fe0->dvb.frontend,
      &i2c_bus->i2c_adap,
      &hauppauge_hvr1500q_tunerconfig);
  break;
 case CX23885_BOARD_HAUPPAUGE_HVR1500:
  i2c_bus = &dev->i2c_bus[1];
  fe0->dvb.frontend = dvb_attach(s5h1409_attach,
      &hauppauge_hvr1500_config,
      &dev->i2c_bus[0].i2c_adap);
  if (fe0->dvb.frontend != NULL) {
   struct dvb_frontend *fe;
   struct xc2028_config cfg = {
    .i2c_adap  = &i2c_bus->i2c_adap,
    .i2c_addr  = 0x61,
   };
   static struct xc2028_ctrl ctl = {
    .fname       = XC2028_DEFAULT_FIRMWARE,
    .max_len     = 64,
    .demod       = XC3028_FE_OREN538,
   };

   fe = dvb_attach(xc2028_attach,
     fe0->dvb.frontend, &cfg);
   if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
    fe->ops.tuner_ops.set_config(fe, &ctl);
  }
  break;
 case CX23885_BOARD_HAUPPAUGE_HVR1200:
 case CX23885_BOARD_HAUPPAUGE_HVR1700:
  i2c_bus = &dev->i2c_bus[0];
  fe0->dvb.frontend = dvb_attach(tda10048_attach,
   &hauppauge_hvr1200_config,
   &i2c_bus->i2c_adap);
  if (fe0->dvb.frontend == NULL)
   break;
  dvb_attach(tda829x_attach, fe0->dvb.frontend,
      &dev->i2c_bus[1].i2c_adap, 0x42,
      &tda829x_no_probe);
  dvb_attach(tda18271_attach, fe0->dvb.frontend,
      0x60, &dev->i2c_bus[1].i2c_adap,
      &hauppauge_hvr1200_tuner_config);
  break;
 case CX23885_BOARD_HAUPPAUGE_HVR1210:
  i2c_bus = &dev->i2c_bus[0];
  fe0->dvb.frontend = dvb_attach(tda10048_attach,
   &hauppauge_hvr1210_config,
   &i2c_bus->i2c_adap);
  if (fe0->dvb.frontend != NULL) {
   dvb_attach(tda18271_attach, fe0->dvb.frontend,
    0x60, &dev->i2c_bus[1].i2c_adap,
    &hauppauge_hvr1210_tuner_config);
  }
  break;
 case CX23885_BOARD_HAUPPAUGE_HVR1400:
  i2c_bus = &dev->i2c_bus[0];

  if (!dvb_attach(dib7000p_attach, &dib7000p_ops))
   return -ENODEV;

  fe0->dvb.frontend = dib7000p_ops.init(&i2c_bus->i2c_adap,
   0x12, &hauppauge_hvr1400_dib7000_config);
  if (fe0->dvb.frontend != NULL) {
   struct dvb_frontend *fe;
   struct xc2028_config cfg = {
    .i2c_adap  = &dev->i2c_bus[1].i2c_adap,
    .i2c_addr  = 0x64,
   };
   static struct xc2028_ctrl ctl = {
    .fname   = XC3028L_DEFAULT_FIRMWARE,
    .max_len = 64,
    .demod   = XC3028_FE_DIBCOM52,
    /* This is true for all demods with
v36 firmware? */

    .type    = XC2028_D2633,
   };

   fe = dvb_attach(xc2028_attach,
     fe0->dvb.frontend, &cfg);
   if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
    fe->ops.tuner_ops.set_config(fe, &ctl);
  }
  break;
 case CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP:
  i2c_bus = &dev->i2c_bus[port->nr - 1];

  fe0->dvb.frontend = dvb_attach(s5h1409_attach,
      &dvico_s5h1409_config,
      &i2c_bus->i2c_adap);
  if (fe0->dvb.frontend == NULL)
   fe0->dvb.frontend = dvb_attach(s5h1411_attach,
       &dvico_s5h1411_config,
       &i2c_bus->i2c_adap);
  if (fe0->dvb.frontend != NULL)
   dvb_attach(xc5000_attach, fe0->dvb.frontend,
       &i2c_bus->i2c_adap,
       &dvico_xc5000_tunerconfig);
  break;
 case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP: {
  i2c_bus = &dev->i2c_bus[port->nr - 1];

  fe0->dvb.frontend = dvb_attach(zl10353_attach,
            &dvico_fusionhdtv_xc3028,
            &i2c_bus->i2c_adap);
  if (fe0->dvb.frontend != NULL) {
   struct dvb_frontend      *fe;
   struct xc2028_config   cfg = {
    .i2c_adap  = &i2c_bus->i2c_adap,
    .i2c_addr  = 0x61,
   };
   static struct xc2028_ctrl ctl = {
    .fname       = XC2028_DEFAULT_FIRMWARE,
    .max_len     = 64,
    .demod       = XC3028_FE_ZARLINK456,
   };

   fe = dvb_attach(xc2028_attach, fe0->dvb.frontend,
     &cfg);
   if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
    fe->ops.tuner_ops.set_config(fe, &ctl);
  }
  break;
 }
 case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP2: {
  i2c_bus = &dev->i2c_bus[port->nr - 1];
  /* cxusb_ctrl_msg(adap->dev, CMD_DIGITAL, NULL, 0, NULL, 0); */
  /* cxusb_bluebird_gpio_pulse(adap->dev, 0x02, 1); */

  if (!dvb_attach(dib7000p_attach, &dib7000p_ops))
   return -ENODEV;

  if (dib7000p_ops.i2c_enumeration(&i2c_bus->i2c_adap, 10x12, &dib7070p_dib7000p_config) < 0) {
   pr_warn("Unable to enumerate dib7000p\n");
   return -ENODEV;
  }
  fe0->dvb.frontend = dib7000p_ops.init(&i2c_bus->i2c_adap, 0x80, &dib7070p_dib7000p_config);
  if (fe0->dvb.frontend != NULL) {
   struct i2c_adapter *tun_i2c;

   fe0->dvb.frontend->sec_priv = kmemdup(&dib7000p_ops, sizeof(dib7000p_ops), GFP_KERNEL);
   if (!fe0->dvb.frontend->sec_priv)
    return -ENOMEM;
   tun_i2c = dib7000p_ops.get_i2c_master(fe0->dvb.frontend, DIBX000_I2C_INTERFACE_TUNER1);
   if (!dvb_attach(dib0070_attach, fe0->dvb.frontend, tun_i2c, &dib7070p_dib0070_config))
    return -ENODEV;
  }
  break;
 }
 case CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H:
 case CX23885_BOARD_COMPRO_VIDEOMATE_E650F:
 case CX23885_BOARD_COMPRO_VIDEOMATE_E800:
  i2c_bus = &dev->i2c_bus[0];

  fe0->dvb.frontend = dvb_attach(zl10353_attach,
   &dvico_fusionhdtv_xc3028,
   &i2c_bus->i2c_adap);
  if (fe0->dvb.frontend != NULL) {
   struct dvb_frontend      *fe;
   struct xc2028_config   cfg = {
    .i2c_adap  = &dev->i2c_bus[1].i2c_adap,
    .i2c_addr  = 0x61,
   };
   static struct xc2028_ctrl ctl = {
    .fname       = XC2028_DEFAULT_FIRMWARE,
    .max_len     = 64,
    .demod       = XC3028_FE_ZARLINK456,
   };

   fe = dvb_attach(xc2028_attach, fe0->dvb.frontend,
    &cfg);
   if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
    fe->ops.tuner_ops.set_config(fe, &ctl);
  }
  break;
 case CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H_XC4000:
  i2c_bus = &dev->i2c_bus[0];

  fe0->dvb.frontend = dvb_attach(zl10353_attach,
            &dvico_fusionhdtv_xc3028,
            &i2c_bus->i2c_adap);
  if (fe0->dvb.frontend != NULL) {
   struct dvb_frontend *fe;
   struct xc4000_config cfg = {
    .i2c_address   = 0x61,
    .default_pm   = 0,
    .dvb_amplitude   = 134,
    .set_smoothedcvbs = 1,
    .if_khz    = 4560
   };

   fe = dvb_attach(xc4000_attach, fe0->dvb.frontend,
     &dev->i2c_bus[1].i2c_adap, &cfg);
   if (!fe) {
    pr_err("%s/2: xc4000 attach failed\n",
           dev->name);
    goto frontend_detach;
   }
  }
  break;
 case CX23885_BOARD_TBS_6920:
  i2c_bus = &dev->i2c_bus[1];

  fe0->dvb.frontend = dvb_attach(cx24116_attach,
     &tbs_cx24116_config,
     &i2c_bus->i2c_adap);
  if (fe0->dvb.frontend != NULL)
   fe0->dvb.frontend->ops.set_voltage = f300_set_voltage;

  break;
 case CX23885_BOARD_TBS_6980:
 case CX23885_BOARD_TBS_6981:
  i2c_bus = &dev->i2c_bus[1];

  switch (port->nr) {
  /* PORT B */
  case 1:
   fe0->dvb.frontend = dvb_attach(cx24117_attach,
     &tbs_cx24117_config,
     &i2c_bus->i2c_adap);
   break;
  /* PORT C */
  case 2:
   fe0->dvb.frontend = dvb_attach(cx24117_attach,
     &tbs_cx24117_config,
     &i2c_bus->i2c_adap);
   break;
  }
  break;
 case CX23885_BOARD_TEVII_S470:
  i2c_bus = &dev->i2c_bus[1];

  fe0->dvb.frontend = dvb_attach(ds3000_attach,
     &tevii_ds3000_config,
     &i2c_bus->i2c_adap);
  if (fe0->dvb.frontend != NULL) {
   dvb_attach(ts2020_attach, fe0->dvb.frontend,
    &tevii_ts2020_config, &i2c_bus->i2c_adap);
   fe0->dvb.frontend->ops.set_voltage = f300_set_voltage;
  }

  break;
 case CX23885_BOARD_DVBWORLD_2005:
  i2c_bus = &dev->i2c_bus[1];

  fe0->dvb.frontend = dvb_attach(cx24116_attach,
   &dvbworld_cx24116_config,
   &i2c_bus->i2c_adap);
  break;
 case CX23885_BOARD_NETUP_DUAL_DVBS2_CI:
  i2c_bus = &dev->i2c_bus[0];
  switch (port->nr) {
  /* port B */
  case 1:
   fe0->dvb.frontend = dvb_attach(stv0900_attach,
       &netup_stv0900_config,
       &i2c_bus->i2c_adap, 0);
   if (fe0->dvb.frontend != NULL) {
    if (dvb_attach(stv6110_attach,
      fe0->dvb.frontend,
      &netup_stv6110_tunerconfig_a,
      &i2c_bus->i2c_adap)) {
     if (!dvb_attach(lnbh24_attach,
       fe0->dvb.frontend,
       &i2c_bus->i2c_adap,
       LNBH24_PCL | LNBH24_TTX,
       LNBH24_TEN, 0x09))
      pr_err("No LNBH24 found!\n");

    }
   }
   break;
  /* port C */
  case 2:
   fe0->dvb.frontend = dvb_attach(stv0900_attach,
       &netup_stv0900_config,
       &i2c_bus->i2c_adap, 1);
   if (fe0->dvb.frontend != NULL) {
    if (dvb_attach(stv6110_attach,
      fe0->dvb.frontend,
      &netup_stv6110_tunerconfig_b,
      &i2c_bus->i2c_adap)) {
     if (!dvb_attach(lnbh24_attach,
       fe0->dvb.frontend,
       &i2c_bus->i2c_adap,
       LNBH24_PCL | LNBH24_TTX,
       LNBH24_TEN, 0x0a))
      pr_err("No LNBH24 found!\n");

    }
   }
   break;
  }
  break;
 case CX23885_BOARD_MYGICA_X8506:
  i2c_bus = &dev->i2c_bus[0];
  i2c_bus2 = &dev->i2c_bus[1];
  fe0->dvb.frontend = dvb_attach(lgs8gxx_attach,
   &mygica_x8506_lgs8gl5_config,
   &i2c_bus->i2c_adap);
  if (fe0->dvb.frontend == NULL)
   break;
  dvb_attach(xc5000_attach, fe0->dvb.frontend,
      &i2c_bus2->i2c_adap, &mygica_x8506_xc5000_config);
  cx23885_set_frontend_hook(port, fe0->dvb.frontend);
  break;
 case CX23885_BOARD_MYGICA_X8507:
  i2c_bus = &dev->i2c_bus[0];
  i2c_bus2 = &dev->i2c_bus[1];
  fe0->dvb.frontend = dvb_attach(mb86a20s_attach,
   &mygica_x8507_mb86a20s_config,
   &i2c_bus->i2c_adap);
  if (fe0->dvb.frontend == NULL)
   break;

  dvb_attach(xc5000_attach, fe0->dvb.frontend,
      &i2c_bus2->i2c_adap,
      &mygica_x8507_xc5000_config);
  cx23885_set_frontend_hook(port, fe0->dvb.frontend);
  break;
 case CX23885_BOARD_MAGICPRO_PROHDTVE2:
  i2c_bus = &dev->i2c_bus[0];
  i2c_bus2 = &dev->i2c_bus[1];
  fe0->dvb.frontend = dvb_attach(lgs8gxx_attach,
   &magicpro_prohdtve2_lgs8g75_config,
   &i2c_bus->i2c_adap);
  if (fe0->dvb.frontend == NULL)
   break;
  dvb_attach(xc5000_attach, fe0->dvb.frontend,
      &i2c_bus2->i2c_adap,
      &magicpro_prohdtve2_xc5000_config);
  cx23885_set_frontend_hook(port, fe0->dvb.frontend);
  break;
 case CX23885_BOARD_HAUPPAUGE_HVR1850:
  i2c_bus = &dev->i2c_bus[0];
  fe0->dvb.frontend = dvb_attach(s5h1411_attach,
   &hcw_s5h1411_config,
   &i2c_bus->i2c_adap);
  if (fe0->dvb.frontend == NULL)
   break;
  dvb_attach(tda18271_attach, fe0->dvb.frontend,
      0x60, &dev->i2c_bus[0].i2c_adap,
      &hauppauge_tda18271_config);

  tda18271_attach(&dev->ts1.analog_fe,
   0x60, &dev->i2c_bus[1].i2c_adap,
   &hauppauge_tda18271_config);

  break;
 case CX23885_BOARD_HAUPPAUGE_HVR1290:
  i2c_bus = &dev->i2c_bus[0];
  fe0->dvb.frontend = dvb_attach(s5h1411_attach,
   &hcw_s5h1411_config,
   &i2c_bus->i2c_adap);
  if (fe0->dvb.frontend == NULL)
   break;
  dvb_attach(tda18271_attach, fe0->dvb.frontend,
      0x60, &dev->i2c_bus[0].i2c_adap,
      &hauppauge_tda18271_config);
  break;
 case CX23885_BOARD_MYGICA_X8558PRO:
  switch (port->nr) {
  /* port B */
  case 1:
   i2c_bus = &dev->i2c_bus[0];
   fe0->dvb.frontend = dvb_attach(atbm8830_attach,
    &mygica_x8558pro_atbm8830_cfg1,
    &i2c_bus->i2c_adap);
   if (fe0->dvb.frontend == NULL)
    break;
   dvb_attach(max2165_attach, fe0->dvb.frontend,
       &i2c_bus->i2c_adap,
       &mygic_x8558pro_max2165_cfg1);
   break;
  /* port C */
  case 2:
   i2c_bus = &dev->i2c_bus[1];
   fe0->dvb.frontend = dvb_attach(atbm8830_attach,
    &mygica_x8558pro_atbm8830_cfg2,
    &i2c_bus->i2c_adap);
   if (fe0->dvb.frontend == NULL)
    break;
   dvb_attach(max2165_attach, fe0->dvb.frontend,
       &i2c_bus->i2c_adap,
       &mygic_x8558pro_max2165_cfg2);
  }
  break;
 case CX23885_BOARD_NETUP_DUAL_DVB_T_C_CI_RF:
  if (port->nr > 2)
   return 0;

  i2c_bus = &dev->i2c_bus[0];
  mfe_shared = 1;/* MFE */
  port->frontends.gate = 0;/* not clear for me yet */
  /* ports B, C */
  /* MFE frontend 1 DVB-T */
  fe0->dvb.frontend = dvb_attach(stv0367ter_attach,
     &netup_stv0367_config[port->nr - 1],
     &i2c_bus->i2c_adap);
  if (fe0->dvb.frontend == NULL)
   break;
  if (NULL == dvb_attach(xc5000_attach, fe0->dvb.frontend,
     &i2c_bus->i2c_adap,
     &netup_xc5000_config[port->nr - 1]))
   goto frontend_detach;
  /* load xc5000 firmware */
  fe0->dvb.frontend->ops.tuner_ops.init(fe0->dvb.frontend);

  /* MFE frontend 2 */
  fe1 = vb2_dvb_get_frontend(&port->frontends, 2);
  if (fe1 == NULL)
   goto frontend_detach;
  /* DVB-C init */
  fe1->dvb.frontend = dvb_attach(stv0367cab_attach,
     &netup_stv0367_config[port->nr - 1],
     &i2c_bus->i2c_adap);
  if (fe1->dvb.frontend == NULL)
   break;

  fe1->dvb.frontend->id = 1;
  if (NULL == dvb_attach(xc5000_attach,
           fe1->dvb.frontend,
           &i2c_bus->i2c_adap,
           &netup_xc5000_config[port->nr - 1]))
   goto frontend_detach;
  break;
 case CX23885_BOARD_TERRATEC_CINERGY_T_PCIE_DUAL:
  i2c_bus = &dev->i2c_bus[0];
  i2c_bus2 = &dev->i2c_bus[1];

  switch (port->nr) {
  /* port b */
  case 1:
   fe0->dvb.frontend = dvb_attach(drxk_attach,
     &terratec_drxk_config[0],
     &i2c_bus->i2c_adap);
   if (fe0->dvb.frontend == NULL)
    break;
   if (!dvb_attach(mt2063_attach,
     fe0->dvb.frontend,
     &terratec_mt2063_config[0],
     &i2c_bus2->i2c_adap))
    goto frontend_detach;
   break;
  /* port c */
  case 2:
   fe0->dvb.frontend = dvb_attach(drxk_attach,
     &terratec_drxk_config[1],
     &i2c_bus->i2c_adap);
   if (fe0->dvb.frontend == NULL)
    break;
   if (!dvb_attach(mt2063_attach,
     fe0->dvb.frontend,
     &terratec_mt2063_config[1],
     &i2c_bus2->i2c_adap))
    goto frontend_detach;
   break;
  }
  break;
 case CX23885_BOARD_TEVII_S471:
  i2c_bus = &dev->i2c_bus[1];

  fe0->dvb.frontend = dvb_attach(ds3000_attach,
     &tevii_ds3000_config,
     &i2c_bus->i2c_adap);
  if (fe0->dvb.frontend == NULL)
   break;
  dvb_attach(ts2020_attach, fe0->dvb.frontend,
      &tevii_ts2020_config, &i2c_bus->i2c_adap);
  break;
 case CX23885_BOARD_PROF_8000:
  i2c_bus = &dev->i2c_bus[0];

  fe0->dvb.frontend = dvb_attach(stv090x_attach,
      &prof_8000_stv090x_config,
      &i2c_bus->i2c_adap,
      STV090x_DEMODULATOR_0);
  if (fe0->dvb.frontend == NULL)
   break;
  if (!dvb_attach(stb6100_attach,
    fe0->dvb.frontend,
    &prof_8000_stb6100_config,
    &i2c_bus->i2c_adap))
   goto frontend_detach;

  fe0->dvb.frontend->ops.set_voltage = p8000_set_voltage;
  break;
 case CX23885_BOARD_HAUPPAUGE_HVR4400: {
  struct tda10071_platform_data tda10071_pdata = hauppauge_tda10071_pdata;
  struct a8293_platform_data a8293_pdata = {};

  i2c_bus = &dev->i2c_bus[0];
  i2c_bus2 = &dev->i2c_bus[1];
  switch (port->nr) {
  /* port b */
  case 1:
   /* attach demod + tuner combo */
   memset(&info, 0sizeof(info));
   strscpy(info.type, "tda10071_cx24118", I2C_NAME_SIZE);
   info.addr = 0x05;
   info.platform_data = &tda10071_pdata;
   request_module("tda10071");
   client_demod = i2c_new_client_device(&i2c_bus->i2c_adap, &info);
   if (!i2c_client_has_driver(client_demod))
    goto frontend_detach;
   if (!try_module_get(client_demod->dev.driver->owner)) {
    i2c_unregister_device(client_demod);
    goto frontend_detach;
   }
   fe0->dvb.frontend = tda10071_pdata.get_dvb_frontend(client_demod);
   port->i2c_client_demod = client_demod;

   /* attach SEC */
   a8293_pdata.dvb_frontend = fe0->dvb.frontend;
   memset(&info, 0sizeof(info));
   strscpy(info.type, "a8293", I2C_NAME_SIZE);
   info.addr = 0x0b;
   info.platform_data = &a8293_pdata;
   request_module("a8293");
   client_sec = i2c_new_client_device(&i2c_bus->i2c_adap, &info);
   if (!i2c_client_has_driver(client_sec))
    goto frontend_detach;
   if (!try_module_get(client_sec->dev.driver->owner)) {
    i2c_unregister_device(client_sec);
    goto frontend_detach;
   }
   port->i2c_client_sec = client_sec;
   break;
  /* port c */
  case 2:
   /* attach frontend */
   memset(&si2165_pdata, 0sizeof(si2165_pdata));
   si2165_pdata.fe = &fe0->dvb.frontend;
   si2165_pdata.chip_mode = SI2165_MODE_PLL_XTAL;
   si2165_pdata.ref_freq_hz = 16000000;
   memset(&info, 0sizeof(struct i2c_board_info));
   strscpy(info.type, "si2165", I2C_NAME_SIZE);
   info.addr = 0x64;
   info.platform_data = &si2165_pdata;
   request_module(info.type);
   client_demod = i2c_new_client_device(&i2c_bus->i2c_adap, &info);
   if (!i2c_client_has_driver(client_demod))
    goto frontend_detach;
   if (!try_module_get(client_demod->dev.driver->owner)) {
    i2c_unregister_device(client_demod);
    goto frontend_detach;
   }
   port->i2c_client_demod = client_demod;

   if (fe0->dvb.frontend == NULL)
    break;
   fe0->dvb.frontend->ops.i2c_gate_ctrl = NULL;
   if (!dvb_attach(tda18271_attach,
     fe0->dvb.frontend,
     0x60, &i2c_bus2->i2c_adap,
      &hauppauge_hvr4400_tuner_config))
    goto frontend_detach;
   break;
  }
  break;
 }
 case CX23885_BOARD_HAUPPAUGE_STARBURST: {
  struct tda10071_platform_data tda10071_pdata = hauppauge_tda10071_pdata;
  struct a8293_platform_data a8293_pdata = {};

  i2c_bus = &dev->i2c_bus[0];

  /* attach demod + tuner combo */
  memset(&info, 0sizeof(info));
  strscpy(info.type, "tda10071_cx24118", I2C_NAME_SIZE);
  info.addr = 0x05;
  info.platform_data = &tda10071_pdata;
  request_module("tda10071");
  client_demod = i2c_new_client_device(&i2c_bus->i2c_adap, &info);
  if (!i2c_client_has_driver(client_demod))
   goto frontend_detach;
  if (!try_module_get(client_demod->dev.driver->owner)) {
   i2c_unregister_device(client_demod);
   goto frontend_detach;
  }
  fe0->dvb.frontend = tda10071_pdata.get_dvb_frontend(client_demod);
  port->i2c_client_demod = client_demod;

  /* attach SEC */
  a8293_pdata.dvb_frontend = fe0->dvb.frontend;
  memset(&info, 0sizeof(info));
  strscpy(info.type, "a8293", I2C_NAME_SIZE);
  info.addr = 0x0b;
  info.platform_data = &a8293_pdata;
  request_module("a8293");
  client_sec = i2c_new_client_device(&i2c_bus->i2c_adap, &info);
  if (!i2c_client_has_driver(client_sec))
   goto frontend_detach;
  if (!try_module_get(client_sec->dev.driver->owner)) {
   i2c_unregister_device(client_sec);
   goto frontend_detach;
  }
  port->i2c_client_sec = client_sec;
  break;
 }
 case CX23885_BOARD_DVBSKY_T9580:
 case CX23885_BOARD_DVBSKY_S950:
  i2c_bus = &dev->i2c_bus[0];
  i2c_bus2 = &dev->i2c_bus[1];
  switch (port->nr) {
  /* port b - satellite */
  case 1:
   /* attach frontend */
   fe0->dvb.frontend = dvb_attach(m88ds3103_attach,
     &dvbsky_t9580_m88ds3103_config,
     &i2c_bus2->i2c_adap, &adapter);
   if (fe0->dvb.frontend == NULL)
    break;

   /* attach tuner */
   memset(&ts2020_config, 0sizeof(ts2020_config));
   ts2020_config.fe = fe0->dvb.frontend;
   ts2020_config.get_agc_pwm = m88ds3103_get_agc_pwm;
   memset(&info, 0sizeof(struct i2c_board_info));
   strscpy(info.type, "ts2020", I2C_NAME_SIZE);
   info.addr = 0x60;
   info.platform_data = &ts2020_config;
   request_module(info.type);
   client_tuner = i2c_new_client_device(adapter, &info);
   if (!i2c_client_has_driver(client_tuner))
    goto frontend_detach;
   if (!try_module_get(client_tuner->dev.driver->owner)) {
    i2c_unregister_device(client_tuner);
    goto frontend_detach;
   }

   /* delegate signal strength measurement to tuner */
   fe0->dvb.frontend->ops.read_signal_strength =
    fe0->dvb.frontend->ops.tuner_ops.get_rf_strength;

   /*
 * for setting the voltage we need to set GPIOs on
 * the card.
 */

   port->fe_set_voltage =
    fe0->dvb.frontend->ops.set_voltage;
   fe0->dvb.frontend->ops.set_voltage =
    dvbsky_t9580_set_voltage;

   port->i2c_client_tuner = client_tuner;

   break;
  /* port c - terrestrial/cable */
  case 2:
   /* attach frontend */
   memset(&si2168_config, 0sizeof(si2168_config));
   si2168_config.i2c_adapter = &adapter;
   si2168_config.fe = &fe0->dvb.frontend;
   si2168_config.ts_mode = SI2168_TS_SERIAL;
   memset(&info, 0sizeof(struct i2c_board_info));
   strscpy(info.type, "si2168", I2C_NAME_SIZE);
   info.addr = 0x64;
   info.platform_data = &si2168_config;
   request_module(info.type);
   client_demod = i2c_new_client_device(&i2c_bus->i2c_adap, &info);
   if (!i2c_client_has_driver(client_demod))
    goto frontend_detach;
   if (!try_module_get(client_demod->dev.driver->owner)) {
    i2c_unregister_device(client_demod);
    goto frontend_detach;
   }
   port->i2c_client_demod = client_demod;

   /* attach tuner */
   memset(&si2157_config, 0sizeof(si2157_config));
   si2157_config.fe = fe0->dvb.frontend;
   si2157_config.if_port = 1;
   memset(&info, 0sizeof(struct i2c_board_info));
   strscpy(info.type, "si2157", I2C_NAME_SIZE);
   info.addr = 0x60;
   info.platform_data = &si2157_config;
   request_module(info.type);
   client_tuner = i2c_new_client_device(adapter, &info);
   if (!i2c_client_has_driver(client_tuner))
    goto frontend_detach;

   if (!try_module_get(client_tuner->dev.driver->owner)) {
    i2c_unregister_device(client_tuner);
    goto frontend_detach;
   }
   port->i2c_client_tuner = client_tuner;
   break;
  }
  break;
 case CX23885_BOARD_DVBSKY_T980C:
 case CX23885_BOARD_TT_CT2_4500_CI:
  i2c_bus = &dev->i2c_bus[0];
  i2c_bus2 = &dev->i2c_bus[1];

  /* attach frontend */
  memset(&si2168_config, 0sizeof(si2168_config));
  si2168_config.i2c_adapter = &adapter;
  si2168_config.fe = &fe0->dvb.frontend;
  si2168_config.ts_mode = SI2168_TS_PARALLEL;
  memset(&info, 0sizeof(struct i2c_board_info));
  strscpy(info.type, "si2168", I2C_NAME_SIZE);
  info.addr = 0x64;
  info.platform_data = &si2168_config;
  request_module(info.type);
  client_demod = i2c_new_client_device(&i2c_bus2->i2c_adap, &info);
  if (!i2c_client_has_driver(client_demod))
   goto frontend_detach;
  if (!try_module_get(client_demod->dev.driver->owner)) {
   i2c_unregister_device(client_demod);
   goto frontend_detach;
  }
  port->i2c_client_demod = client_demod;

  /* attach tuner */
  memset(&si2157_config, 0sizeof(si2157_config));
  si2157_config.fe = fe0->dvb.frontend;
  si2157_config.if_port = 1;
  memset(&info, 0sizeof(struct i2c_board_info));
  strscpy(info.type, "si2157", I2C_NAME_SIZE);
  info.addr = 0x60;
  info.platform_data = &si2157_config;
  request_module(info.type);
  client_tuner = i2c_new_client_device(adapter, &info);
  if (!i2c_client_has_driver(client_tuner))
   goto frontend_detach;
  if (!try_module_get(client_tuner->dev.driver->owner)) {
   i2c_unregister_device(client_tuner);
   goto frontend_detach;
  }
  port->i2c_client_tuner = client_tuner;
  break;
 case CX23885_BOARD_DVBSKY_S950C:
  i2c_bus = &dev->i2c_bus[0];
  i2c_bus2 = &dev->i2c_bus[1];

  /* attach frontend */
  fe0->dvb.frontend = dvb_attach(m88ds3103_attach,
    &dvbsky_s950c_m88ds3103_config,
    &i2c_bus2->i2c_adap, &adapter);
  if (fe0->dvb.frontend == NULL)
   break;

  /* attach tuner */
  memset(&ts2020_config, 0sizeof(ts2020_config));
  ts2020_config.fe = fe0->dvb.frontend;
  ts2020_config.get_agc_pwm = m88ds3103_get_agc_pwm;
  memset(&info, 0sizeof(struct i2c_board_info));
  strscpy(info.type, "ts2020", I2C_NAME_SIZE);
  info.addr = 0x60;
  info.platform_data = &ts2020_config;
  request_module(info.type);
  client_tuner = i2c_new_client_device(adapter, &info);
  if (!i2c_client_has_driver(client_tuner))
   goto frontend_detach;
  if (!try_module_get(client_tuner->dev.driver->owner)) {
   i2c_unregister_device(client_tuner);
   goto frontend_detach;
  }

  /* delegate signal strength measurement to tuner */
  fe0->dvb.frontend->ops.read_signal_strength =
   fe0->dvb.frontend->ops.tuner_ops.get_rf_strength;

  port->i2c_client_tuner = client_tuner;
  break;
 case CX23885_BOARD_DVBSKY_S952:
  /* attach frontend */
  memset(&m88ds3103_pdata, 0sizeof(m88ds3103_pdata));
  m88ds3103_pdata.clk = 27000000;
  m88ds3103_pdata.i2c_wr_max = 33;
  m88ds3103_pdata.agc = 0x99;
  m88ds3103_pdata.clk_out = M88DS3103_CLOCK_OUT_DISABLED;
  m88ds3103_pdata.lnb_en_pol = 1;

  switch (port->nr) {
  /* port b */
  case 1:
   i2c_bus = &dev->i2c_bus[1];
   m88ds3103_pdata.ts_mode = M88DS3103_TS_PARALLEL;
   m88ds3103_pdata.ts_clk = 16000;
   m88ds3103_pdata.ts_clk_pol = 1;
   p_set_voltage = dvbsky_t9580_set_voltage;
   break;
  /* port c */
  case 2:
   i2c_bus = &dev->i2c_bus[0];
   m88ds3103_pdata.ts_mode = M88DS3103_TS_SERIAL;
   m88ds3103_pdata.ts_clk = 96000;
   m88ds3103_pdata.ts_clk_pol = 0;
   p_set_voltage = dvbsky_s952_portc_set_voltage;
   break;
  default:
   return 0;
  }

  memset(&info, 0sizeof(info));
  strscpy(info.type, "m88ds3103", I2C_NAME_SIZE);
  info.addr = 0x68;
  info.platform_data = &m88ds3103_pdata;
  request_module(info.type);
  client_demod = i2c_new_client_device(&i2c_bus->i2c_adap, &info);
  if (!i2c_client_has_driver(client_demod))
   goto frontend_detach;
  if (!try_module_get(client_demod->dev.driver->owner)) {
   i2c_unregister_device(client_demod);
   goto frontend_detach;
  }
  port->i2c_client_demod = client_demod;
  adapter = m88ds3103_pdata.get_i2c_adapter(client_demod);
  fe0->dvb.frontend = m88ds3103_pdata.get_dvb_frontend(client_demod);

  /* attach tuner */
  memset(&ts2020_config, 0sizeof(ts2020_config));
  ts2020_config.fe = fe0->dvb.frontend;
  ts2020_config.get_agc_pwm = m88ds3103_get_agc_pwm;
  memset(&info, 0sizeof(struct i2c_board_info));
  strscpy(info.type, "ts2020", I2C_NAME_SIZE);
  info.addr = 0x60;
  info.platform_data = &ts2020_config;
  request_module(info.type);
  client_tuner = i2c_new_client_device(adapter, &info);
  if (!i2c_client_has_driver(client_tuner))
   goto frontend_detach;
  if (!try_module_get(client_tuner->dev.driver->owner)) {
   i2c_unregister_device(client_tuner);
   goto frontend_detach;
  }

  /* delegate signal strength measurement to tuner */
  fe0->dvb.frontend->ops.read_signal_strength =
   fe0->dvb.frontend->ops.tuner_ops.get_rf_strength;

  /*
 * for setting the voltage we need to set GPIOs on
 * the card.
 */

  port->fe_set_voltage =
   fe0->dvb.frontend->ops.set_voltage;
  fe0->dvb.frontend->ops.set_voltage = p_set_voltage;

  port->i2c_client_tuner = client_tuner;
  break;
 case CX23885_BOARD_DVBSKY_T982:
  memset(&si2168_config, 0sizeof(si2168_config));
  switch (port->nr) {
  /* port b */
  case 1:
   i2c_bus = &dev->i2c_bus[1];
   si2168_config.ts_mode = SI2168_TS_PARALLEL;
   break;
  /* port c */
  case 2:
   i2c_bus = &dev->i2c_bus[0];
   si2168_config.ts_mode = SI2168_TS_SERIAL;
   break;
  }

  /* attach frontend */
  si2168_config.i2c_adapter = &adapter;
  si2168_config.fe = &fe0->dvb.frontend;
  memset(&info, 0sizeof(struct i2c_board_info));
  strscpy(info.type, "si2168", I2C_NAME_SIZE);
  info.addr = 0x64;
  info.platform_data = &si2168_config;
  request_module(info.type);
  client_demod = i2c_new_client_device(&i2c_bus->i2c_adap, &info);
  if (!i2c_client_has_driver(client_demod))
   goto frontend_detach;
  if (!try_module_get(client_demod->dev.driver->owner)) {
   i2c_unregister_device(client_demod);
   goto frontend_detach;
  }
  port->i2c_client_demod = client_demod;

  /* attach tuner */
  memset(&si2157_config, 0sizeof(si2157_config));
  si2157_config.fe = fe0->dvb.frontend;
  si2157_config.if_port = 1;
  memset(&info, 0sizeof(struct i2c_board_info));
  strscpy(info.type, "si2157", I2C_NAME_SIZE);
  info.addr = 0x60;
  info.platform_data = &si2157_config;
  request_module(info.type);
  client_tuner = i2c_new_client_device(adapter, &info);
  if (!i2c_client_has_driver(client_tuner))
   goto frontend_detach;
  if (!try_module_get(client_tuner->dev.driver->owner)) {
   i2c_unregister_device(client_tuner);
   goto frontend_detach;
  }
  port->i2c_client_tuner = client_tuner;
  break;
 case CX23885_BOARD_HAUPPAUGE_STARBURST2:
 case CX23885_BOARD_HAUPPAUGE_HVR5525:
  i2c_bus = &dev->i2c_bus[0];
  i2c_bus2 = &dev->i2c_bus[1];

  switch (port->nr) {

  /* port b - satellite */
  case 1:
   /* attach frontend */
   fe0->dvb.frontend = dvb_attach(m88ds3103_attach,
     &hauppauge_hvr5525_m88ds3103_config,
     &i2c_bus->i2c_adap, &adapter);
   if (fe0->dvb.frontend == NULL)
    break;

   /* attach SEC */
   a8293_pdata.dvb_frontend = fe0->dvb.frontend;
   memset(&info, 0sizeof(info));
   strscpy(info.type, "a8293", I2C_NAME_SIZE);
   info.addr = 0x0b;
   info.platform_data = &a8293_pdata;
   request_module("a8293");
   client_sec = i2c_new_client_device(&i2c_bus->i2c_adap, &info);
   if (!i2c_client_has_driver(client_sec))
    goto frontend_detach;
   if (!try_module_get(client_sec->dev.driver->owner)) {
    i2c_unregister_device(client_sec);
    goto frontend_detach;
   }
   port->i2c_client_sec = client_sec;

   /* attach tuner */
   memset(&m88rs6000t_config, 0sizeof(m88rs6000t_config));
   m88rs6000t_config.fe = fe0->dvb.frontend;
   memset(&info, 0sizeof(struct i2c_board_info));
   strscpy(info.type, "m88rs6000t", I2C_NAME_SIZE);
   info.addr = 0x21;
   info.platform_data = &m88rs6000t_config;
   request_module("%s", info.type);
   client_tuner = i2c_new_client_device(adapter, &info);
   if (!i2c_client_has_driver(client_tuner))
    goto frontend_detach;
   if (!try_module_get(client_tuner->dev.driver->owner)) {
    i2c_unregister_device(client_tuner);
    goto frontend_detach;
   }
   port->i2c_client_tuner = client_tuner;

   /* delegate signal strength measurement to tuner */
   fe0->dvb.frontend->ops.read_signal_strength =
    fe0->dvb.frontend->ops.tuner_ops.get_rf_strength;
   break;
  /* port c - terrestrial/cable */
  case 2:
   /* attach frontend */
   memset(&si2168_config, 0sizeof(si2168_config));
   si2168_config.i2c_adapter = &adapter;
   si2168_config.fe = &fe0->dvb.frontend;
   si2168_config.ts_mode = SI2168_TS_SERIAL;
   memset(&info, 0sizeof(struct i2c_board_info));
   strscpy(info.type, "si2168", I2C_NAME_SIZE);
   info.addr = 0x64;
   info.platform_data = &si2168_config;
   request_module("%s", info.type);
   client_demod = i2c_new_client_device(&i2c_bus->i2c_adap, &info);
   if (!i2c_client_has_driver(client_demod))
    goto frontend_detach;
   if (!try_module_get(client_demod->dev.driver->owner)) {
    i2c_unregister_device(client_demod);
    goto frontend_detach;
   }
   port->i2c_client_demod = client_demod;

   /* attach tuner */
   memset(&si2157_config, 0sizeof(si2157_config));
   si2157_config.fe = fe0->dvb.frontend;
   si2157_config.if_port = 1;
   memset(&info, 0sizeof(struct i2c_board_info));
   strscpy(info.type, "si2157", I2C_NAME_SIZE);
   info.addr = 0x60;
   info.platform_data = &si2157_config;
   request_module("%s", info.type);
   client_tuner = i2c_new_client_device(&i2c_bus2->i2c_adap, &info);
   if (!i2c_client_has_driver(client_tuner)) {
    module_put(client_demod->dev.driver->owner);
    i2c_unregister_device(client_demod);
    port->i2c_client_demod = NULL;
    goto frontend_detach;
   }
   if (!try_module_get(client_tuner->dev.driver->owner)) {
    i2c_unregister_device(client_tuner);
    module_put(client_demod->dev.driver->owner);
    i2c_unregister_device(client_demod);
    port->i2c_client_demod = NULL;
    goto frontend_detach;
   }
   port->i2c_client_tuner = client_tuner;

   dev->ts1.analog_fe.tuner_priv = client_tuner;
   memcpy(&dev->ts1.analog_fe.ops.tuner_ops,
          &fe0->dvb.frontend->ops.tuner_ops,
          sizeof(struct dvb_tuner_ops));

   break;
  }
  break;
 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB_885:
  pr_info("%s(): board=%d port=%d\n", __func__,
   dev->board, port->nr);
  switch (port->nr) {
  /* port b - Terrestrial/cable */
  case 1:
   /* attach frontend */
   memset(&si2168_config, 0sizeof(si2168_config));
   si2168_config.i2c_adapter = &adapter;
   si2168_config.fe = &fe0->dvb.frontend;
   si2168_config.ts_mode = SI2168_TS_SERIAL;
   memset(&info, 0sizeof(struct i2c_board_info));
   strscpy(info.type, "si2168", I2C_NAME_SIZE);
   info.addr = 0x64;
   info.platform_data = &si2168_config;
   request_module("%s", info.type);
   client_demod = i2c_new_client_device(&dev->i2c_bus[0].i2c_adap, &info);
   if (!i2c_client_has_driver(client_demod))
    goto frontend_detach;
   if (!try_module_get(client_demod->dev.driver->owner)) {
    i2c_unregister_device(client_demod);
    goto frontend_detach;
   }
   port->i2c_client_demod = client_demod;

   /* attach tuner */
   memset(&si2157_config, 0sizeof(si2157_config));
   si2157_config.fe = fe0->dvb.frontend;
   si2157_config.if_port = 1;
   memset(&info, 0sizeof(struct i2c_board_info));
   strscpy(info.type, "si2157", I2C_NAME_SIZE);
   info.addr = 0x60;
   info.platform_data = &si2157_config;
   request_module("%s", info.type);
   client_tuner = i2c_new_client_device(&dev->i2c_bus[1].i2c_adap, &info);
   if (!i2c_client_has_driver(client_tuner)) {
    module_put(client_demod->dev.driver->owner);
    i2c_unregister_device(client_demod);
    port->i2c_client_demod = NULL;
    goto frontend_detach;
   }
   if (!try_module_get(client_tuner->dev.driver->owner)) {
    i2c_unregister_device(client_tuner);
    module_put(client_demod->dev.driver->owner);
    i2c_unregister_device(client_demod);
    port->i2c_client_demod = NULL;
    goto frontend_detach;
   }
   port->i2c_client_tuner = client_tuner;

   /* we only attach tuner for analog on the 888 version */
   if (dev->board == CX23885_BOARD_HAUPPAUGE_QUADHD_DVB) {
    pr_info("%s(): QUADHD_DVB analog setup\n",
     __func__);
    dev->ts1.analog_fe.tuner_priv = client_tuner;
    memcpy(&dev->ts1.analog_fe.ops.tuner_ops,
           &fe0->dvb.frontend->ops.tuner_ops,
           sizeof(struct dvb_tuner_ops));
   }
   break;

  /* port c - terrestrial/cable */
  case 2:
   /* attach frontend */
   memset(&si2168_config, 0sizeof(si2168_config));
   si2168_config.i2c_adapter = &adapter;
   si2168_config.fe = &fe0->dvb.frontend;
   si2168_config.ts_mode = SI2168_TS_SERIAL;
   memset(&info, 0sizeof(struct i2c_board_info));
   strscpy(info.type, "si2168", I2C_NAME_SIZE);
   info.addr = 0x66;
   info.platform_data = &si2168_config;
   request_module("%s", info.type);
   client_demod = i2c_new_client_device(&dev->i2c_bus[0].i2c_adap, &info);
   if (!i2c_client_has_driver(client_demod))
    goto frontend_detach;
   if (!try_module_get(client_demod->dev.driver->owner)) {
    i2c_unregister_device(client_demod);
    goto frontend_detach;
   }
   port->i2c_client_demod = client_demod;

   /* attach tuner */
   memset(&si2157_config, 0sizeof(si2157_config));
   si2157_config.fe = fe0->dvb.frontend;
   si2157_config.if_port = 1;
   memset(&info, 0sizeof(struct i2c_board_info));
   strscpy(info.type, "si2157", I2C_NAME_SIZE);
   info.addr = 0x62;
   info.platform_data = &si2157_config;
   request_module("%s", info.type);
   client_tuner = i2c_new_client_device(&dev->i2c_bus[1].i2c_adap, &info);
   if (!i2c_client_has_driver(client_tuner)) {
    module_put(client_demod->dev.driver->owner);
    i2c_unregister_device(client_demod);
    port->i2c_client_demod = NULL;
    goto frontend_detach;
   }
   if (!try_module_get(client_tuner->dev.driver->owner)) {
    i2c_unregister_device(client_tuner);
    module_put(client_demod->dev.driver->owner);
    i2c_unregister_device(client_demod);
    port->i2c_client_demod = NULL;
    goto frontend_detach;
   }
   port->i2c_client_tuner = client_tuner;
   break;
  }
  break;
 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC_885:
  pr_info("%s(): board=%d port=%d\n", __func__,
   dev->board, port->nr);
  switch (port->nr) {
  /* port b - Terrestrial/cable */
  case 1:
   /* attach frontend */
   i2c_bus = &dev->i2c_bus[0];
   fe0->dvb.frontend = dvb_attach(lgdt3306a_attach,
    &hauppauge_quadHD_ATSC_a_config, &i2c_bus->i2c_adap);
   if (fe0->dvb.frontend == NULL)
    break;

   /* attach tuner */
   memset(&si2157_config, 0sizeof(si2157_config));
   si2157_config.fe = fe0->dvb.frontend;
   si2157_config.if_port = 1;
   si2157_config.inversion = 1;
   memset(&info, 0sizeof(struct i2c_board_info));
   strscpy(info.type, "si2157", I2C_NAME_SIZE);
   info.addr = 0x60;
   info.platform_data = &si2157_config;
   request_module("%s", info.type);
   client_tuner = i2c_new_client_device(&dev->i2c_bus[1].i2c_adap, &info);
   if (!i2c_client_has_driver(client_tuner)) {
    goto frontend_detach;
   }
   if (!try_module_get(client_tuner->dev.driver->owner)) {
    i2c_unregister_device(client_tuner);
    goto frontend_detach;
   }
   port->i2c_client_tuner = client_tuner;

   /* we only attach tuner for analog on the 888 version */
   if (dev->board == CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC) {
    pr_info("%s(): QUADHD_ATSC analog setup\n",
     __func__);
    dev->ts1.analog_fe.tuner_priv = client_tuner;
    memcpy(&dev->ts1.analog_fe.ops.tuner_ops,
           &fe0->dvb.frontend->ops.tuner_ops,
           sizeof(struct dvb_tuner_ops));
   }
   break;

  /* port c - terrestrial/cable */
  case 2:
   /* attach frontend */
   i2c_bus = &dev->i2c_bus[0];
   fe0->dvb.frontend = dvb_attach(lgdt3306a_attach,
    &hauppauge_quadHD_ATSC_b_config, &i2c_bus->i2c_adap);
   if (fe0->dvb.frontend == NULL)
    break;

   /* attach tuner */
   memset(&si2157_config, 0sizeof(si2157_config));
   si2157_config.fe = fe0->dvb.frontend;
   si2157_config.if_port = 1;
   si2157_config.inversion = 1;
   memset(&info, 0sizeof(struct i2c_board_info));
   strscpy(info.type, "si2157", I2C_NAME_SIZE);
   info.addr = 0x62;
   info.platform_data = &si2157_config;
   request_module("%s", info.type);
   client_tuner = i2c_new_client_device(&dev->i2c_bus[1].i2c_adap, &info);
   if (!i2c_client_has_driver(client_tuner)) {
    goto frontend_detach;
   }
   if (!try_module_get(client_tuner->dev.driver->owner)) {
    i2c_unregister_device(client_tuner);
    goto frontend_detach;
   }
   port->i2c_client_tuner = client_tuner;
   break;
  }
  break;
 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
  switch (port->nr) {
  /* port c - Terrestrial/cable */
  case 2:
   /* attach frontend */
   i2c_bus = &dev->i2c_bus[0];
   fe0->dvb.frontend = dvb_attach(lgdt3306a_attach,
     &hauppauge_hvr1265k4_config,
     &i2c_bus->i2c_adap);
   if (fe0->dvb.frontend == NULL)
    break;

   /* attach tuner */
   memset(&si2157_config, 0sizeof(si2157_config));
   si2157_config.fe = fe0->dvb.frontend;
   si2157_config.if_port = 1;
   si2157_config.inversion = 1;
   memset(&info, 0sizeof(struct i2c_board_info));
   strscpy(info.type, "si2157", I2C_NAME_SIZE);
   info.addr = 0x60;
   info.platform_data = &si2157_config;
   request_module("%s", info.type);
   client_tuner = i2c_new_client_device(&dev->i2c_bus[1].i2c_adap, &info);
   if (!i2c_client_has_driver(client_tuner))
    goto frontend_detach;

   if (!try_module_get(client_tuner->dev.driver->owner)) {
    i2c_unregister_device(client_tuner);
    client_tuner = NULL;
    goto frontend_detach;
   }
   port->i2c_client_tuner = client_tuner;

   dev->ts1.analog_fe.tuner_priv = client_tuner;
   memcpy(&dev->ts1.analog_fe.ops.tuner_ops,
          &fe0->dvb.frontend->ops.tuner_ops,
          sizeof(struct dvb_tuner_ops));
   break;
  }
  break;
 default:
  pr_info("%s: The frontend of your DVB/ATSC card  isn't supported yet\n",
   dev->name);
  break;
 }

 if ((NULL == fe0->dvb.frontend) || (fe1 && NULL == fe1->dvb.frontend)) {
  pr_err("%s: frontend initialization failed\n",
         dev->name);
  goto frontend_detach;
 }

 /* define general-purpose callback pointer */
 fe0->dvb.frontend->callback = cx23885_tuner_callback;
 if (fe1)
  fe1->dvb.frontend->callback = cx23885_tuner_callback;
#if 0
 /* Ensure all frontends negotiate bus access */
 fe0->dvb.frontend->ops.ts_bus_ctrl = cx23885_dvb_bus_ctrl;
 if (fe1)
  fe1->dvb.frontend->ops.ts_bus_ctrl = cx23885_dvb_bus_ctrl;
#endif

 /* Put the tuner in standby to keep it quiet */
 call_all(dev, tuner, standby);

 if (fe0->dvb.frontend->ops.analog_ops.standby)
  fe0->dvb.frontend->ops.analog_ops.standby(fe0->dvb.frontend);

 /* register everything */
 ret = vb2_dvb_register_bus(&port->frontends, THIS_MODULE, port,
       &dev->pci->dev, NULL,
       adapter_nr, mfe_shared);
 if (ret)
  goto frontend_detach;

 ret = dvb_register_ci_mac(port);
 if (ret)
  goto frontend_detach;

 return 0;

frontend_detach:
 /* remove I2C client for SEC */
 client_sec = port->i2c_client_sec;
 if (client_sec) {
  module_put(client_sec->dev.driver->owner);
  i2c_unregister_device(client_sec);
  port->i2c_client_sec = NULL;
 }

 /* remove I2C client for tuner */
 client_tuner = port->i2c_client_tuner;
 if (client_tuner) {
  module_put(client_tuner->dev.driver->owner);
  i2c_unregister_device(client_tuner);
  port->i2c_client_tuner = NULL;
 }

 /* remove I2C client for demodulator */
 client_demod = port->i2c_client_demod;
 if (client_demod) {
  module_put(client_demod->dev.driver->owner);
  i2c_unregister_device(client_demod);
  port->i2c_client_demod = NULL;
 }

 port->gate_ctrl = NULL;
 vb2_dvb_dealloc_frontends(&port->frontends);
 return -EINVAL;
}

int cx23885_dvb_register(struct cx23885_tsport *port)
{

 struct vb2_dvb_frontend *fe0;
 struct cx23885_dev *dev = port->dev;
 int err, i;

 /* Here we need to allocate the correct number of frontends,
 * as reflected in the cards struct. The reality is that currently
 * no cx23885 boards support this - yet. But, if we don't modify this
 * code then the second frontend would never be allocated (later)
 * and fail with error before the attach in dvb_register().
 * Without these changes we risk an OOPS later. The changes here
 * are for safety, and should provide a good foundation for the
 * future addition of any multi-frontend cx23885 based boards.
 */

 pr_info("%s() allocating %d frontend(s)\n", __func__,
  port->num_frontends);

 for (i = 1; i <= port->num_frontends; i++) {
  struct vb2_queue *q;

  if (vb2_dvb_alloc_frontend(
   &port->frontends, i) == NULL) {
   pr_err("%s() failed to alloc\n", __func__);
   return -ENOMEM;
  }

  fe0 = vb2_dvb_get_frontend(&port->frontends, i);
  if (!fe0)
   return -EINVAL;

  dprintk(1"%s\n", __func__);
  dprintk(1" ->probed by Card=%d Name=%s, PCI %02x:%02x\n",
   dev->board,
   dev->name,
   dev->pci_bus,
   dev->pci_slot);

  /* dvb stuff */
  /* We have to init the queue for each frontend on a port. */
  pr_info("%s: cx23885 based dvb card\n", dev->name);
  q = &fe0->dvb.dvbq;
  q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
  q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
  q->gfp_flags = GFP_DMA32;
  q->min_queued_buffers = 2;
  q->drv_priv = port;
  q->buf_struct_size = sizeof(struct cx23885_buffer);
  q->ops = &dvb_qops;
  q->mem_ops = &vb2_dma_sg_memops;
  q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
  q->lock = &dev->lock;
  q->dev = &dev->pci->dev;

  err = vb2_queue_init(q);
  if (err < 0)
   return err;
 }
 err = dvb_register(port);
 if (err != 0)
  pr_err("%s() dvb_register failed err = %d\n",
         __func__, err);

 return err;
}

int cx23885_dvb_unregister(struct cx23885_tsport *port)
{
 struct vb2_dvb_frontend *fe0;
 struct i2c_client *client;

 fe0 = vb2_dvb_get_frontend(&port->frontends, 1);

 if (fe0 && fe0->dvb.frontend)
  vb2_dvb_unregister_bus(&port->frontends);

 /* remove I2C client for CI */
 client = port->i2c_client_ci;
 if (client) {
  module_put(client->dev.driver->owner);
  i2c_unregister_device(client);
 }

 /* remove I2C client for SEC */
 client = port->i2c_client_sec;
 if (client) {
  module_put(client->dev.driver->owner);
  i2c_unregister_device(client);
 }

 /* remove I2C client for tuner */
 client = port->i2c_client_tuner;
 if (client) {
  module_put(client->dev.driver->owner);
  i2c_unregister_device(client);
 }

 /* remove I2C client for demodulator */
 client = port->i2c_client_demod;
 if (client) {
  module_put(client->dev.driver->owner);
  i2c_unregister_device(client);
 }

 switch (port->dev->board) {
 case CX23885_BOARD_NETUP_DUAL_DVBS2_CI:
  netup_ci_exit(port);
  break;
 case CX23885_BOARD_NETUP_DUAL_DVB_T_C_CI_RF:
  altera_ci_release(port->dev, port->nr);
  break;
 }

 port->gate_ctrl = NULL;

 return 0;
}

Messung V0.5 in Prozent
C=94 H=93 G=93

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