root/drivers/media/pci/mantis/mantis_vp3030.c

DEFINITIONS

1. vp3030_frontend_init

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3         Mantis VP-3030 driver
   4 
   5         Copyright (C) Manu Abraham (abraham.manu@gmail.com)
   6 
   7 */
   8 
   9 #include <linux/signal.h>
  10 #include <linux/sched.h>
  11 #include <linux/interrupt.h>
  12 
  13 #include <media/dmxdev.h>
  14 #include <media/dvbdev.h>
  15 #include <media/dvb_demux.h>
  16 #include <media/dvb_frontend.h>
  17 #include <media/dvb_net.h>
  18 
  19 #include "zl10353.h"
  20 #include "tda665x.h"
  21 #include "mantis_common.h"
  22 #include "mantis_ioc.h"
  23 #include "mantis_dvb.h"
  24 #include "mantis_vp3030.h"
  25 
  26 static struct zl10353_config mantis_vp3030_config = {
  27         .demod_address          = 0x0f,
  28 };
  29 
  30 static struct tda665x_config env57h12d5_config = {
  31         .name                   = "ENV57H12D5 (ET-50DT)",
  32         .addr                   = 0x60,
  33         .frequency_min          =  47 * MHz,
  34         .frequency_max          = 862 * MHz,
  35         .frequency_offst        =   3616667,
  36         .ref_multiplier         = 6, /* 1/6 MHz */
  37         .ref_divider            = 100000, /* 1/6 MHz */
  38 };
  39 
  40 #define MANTIS_MODEL_NAME       "VP-3030"
  41 #define MANTIS_DEV_TYPE         "DVB-T"
  42 
  43 
  44 static int vp3030_frontend_init(struct mantis_pci *mantis, struct dvb_frontend *fe)
  45 {
  46         struct i2c_adapter *adapter     = &mantis->adapter;
  47         struct mantis_hwconfig *config  = mantis->hwconfig;
  48         int err = 0;
  49 
  50         mantis_gpio_set_bits(mantis, config->reset, 0);
  51         msleep(100);
  52         err = mantis_frontend_power(mantis, POWER_ON);
  53         msleep(100);
  54         mantis_gpio_set_bits(mantis, config->reset, 1);
  55 
  56         if (err == 0) {
  57                 msleep(250);
  58                 dprintk(MANTIS_ERROR, 1, "Probing for 10353 (DVB-T)");
  59                 fe = dvb_attach(zl10353_attach, &mantis_vp3030_config, adapter);
  60 
  61                 if (!fe)
  62                         return -1;
  63 
  64                 dvb_attach(tda665x_attach, fe, &env57h12d5_config, adapter);
  65         } else {
  66                 dprintk(MANTIS_ERROR, 1, "Frontend on <%s> POWER ON failed! <%d>",
  67                         adapter->name,
  68                         err);
  69 
  70                 return -EIO;
  71 
  72         }
  73         mantis->fe = fe;
  74         dprintk(MANTIS_ERROR, 1, "Done!");
  75 
  76         return 0;
  77 }
  78 
  79 struct mantis_hwconfig vp3030_config = {
  80         .model_name     = MANTIS_MODEL_NAME,
  81         .dev_type       = MANTIS_DEV_TYPE,
  82         .ts_size        = MANTIS_TS_188,
  83 
  84         .baud_rate      = MANTIS_BAUD_9600,
  85         .parity         = MANTIS_PARITY_NONE,
  86         .bytes          = 0,
  87 
  88         .frontend_init  = vp3030_frontend_init,
  89         .power          = GPIF_A12,
  90         .reset          = GPIF_A13,
  91 
  92         .i2c_mode       = MANTIS_BYTE_MODE
  93 };