root/drivers/media/pci/mantis/hopper_vp3028.c

DEFINITIONS

1. vp3028_frontend_init

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3         Hopper VP-3028 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 "mantis_common.h"
  21 #include "mantis_ioc.h"
  22 #include "mantis_dvb.h"
  23 #include "hopper_vp3028.h"
  24 
  25 static struct zl10353_config hopper_vp3028_config = {
  26         .demod_address  = 0x0f,
  27 };
  28 
  29 #define MANTIS_MODEL_NAME       "VP-3028"
  30 #define MANTIS_DEV_TYPE         "DVB-T"
  31 
  32 static int vp3028_frontend_init(struct mantis_pci *mantis, struct dvb_frontend *fe)
  33 {
  34         struct i2c_adapter *adapter     = &mantis->adapter;
  35         struct mantis_hwconfig *config  = mantis->hwconfig;
  36         int err = 0;
  37 
  38         mantis_gpio_set_bits(mantis, config->reset, 0);
  39         msleep(100);
  40         err = mantis_frontend_power(mantis, POWER_ON);
  41         msleep(100);
  42         mantis_gpio_set_bits(mantis, config->reset, 1);
  43 
  44         err = mantis_frontend_power(mantis, POWER_ON);
  45         if (err == 0) {
  46                 msleep(250);
  47                 dprintk(MANTIS_ERROR, 1, "Probing for 10353 (DVB-T)");
  48                 fe = dvb_attach(zl10353_attach, &hopper_vp3028_config, adapter);
  49 
  50                 if (!fe)
  51                         return -1;
  52         } else {
  53                 dprintk(MANTIS_ERROR, 1, "Frontend on <%s> POWER ON failed! <%d>",
  54                         adapter->name,
  55                         err);
  56 
  57                 return -EIO;
  58         }
  59         dprintk(MANTIS_ERROR, 1, "Done!");
  60 
  61         return 0;
  62 }
  63 
  64 struct mantis_hwconfig vp3028_config = {
  65         .model_name     = MANTIS_MODEL_NAME,
  66         .dev_type       = MANTIS_DEV_TYPE,
  67         .ts_size        = MANTIS_TS_188,
  68 
  69         .baud_rate      = MANTIS_BAUD_9600,
  70         .parity         = MANTIS_PARITY_NONE,
  71         .bytes          = 0,
  72 
  73         .frontend_init  = vp3028_frontend_init,
  74         .power          = GPIF_A00,
  75         .reset          = GPIF_A03,
  76 };