release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/media/dvb/mantis/mantis_vp3030.c

   1 /*
   2         Mantis VP-3030 driver
   3
   4         Copyright (C) Manu Abraham (abraham.manu@gmail.com)
   5
   6         This program is free software; you can redistribute it and/or modify
   7         it under the terms of the GNU General Public License as published by
   8         the Free Software Foundation; either version 2 of the License, or
   9         (at your option) any later version.
  10
  11         This program is distributed in the hope that it will be useful,
  12         but WITHOUT ANY WARRANTY; without even the implied warranty of
  13         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14         GNU General Public License for more details.
  15
  16         You should have received a copy of the GNU General Public License
  17         along with this program; if not, write to the Free Software
  18         Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21 #include <linux/signal.h>
  22 #include <linux/sched.h>
  23 #include <linux/interrupt.h>
  24
  25 #include "dmxdev.h"
  26 #include "dvbdev.h"
  27 #include "dvb_demux.h"
  28 #include "dvb_frontend.h"
  29 #include "dvb_net.h"
  30
  31 #include "zl10353.h"
  32 #include "tda665x.h"
  33 #include "mantis_common.h"
  34 #include "mantis_ioc.h"
  35 #include "mantis_dvb.h"
  36 #include "mantis_vp3030.h"
  37
  38 struct zl10353_config mantis_vp3030_config = {
  39         .demod_address          = 0x0f,
  40 };
  41
  42 struct tda665x_config env57h12d5_config = {
  43         .name                   = "ENV57H12D5 (ET-50DT)",
  44         .addr                   = 0x60,
  45         .frequency_min          =  47000000,
  46         .frequency_max          = 862000000,
  47         .frequency_offst        =   3616667,
  48         .ref_multiplier         = 6, /* 1/6 MHz */
  49         .ref_divider            = 100000, /* 1/6 MHz */
  50 };
  51
  52 #define MANTIS_MODEL_NAME       "VP-3030"
  53 #define MANTIS_DEV_TYPE         "DVB-T"
  54
  55
  56 static int vp3030_frontend_init(struct mantis_pci *mantis, struct dvb_frontend *fe)
  57 {
  58         struct i2c_adapter *adapter     = &mantis->adapter;
  59         struct mantis_hwconfig *config  = mantis->hwconfig;
  60         int err = 0;
  61
  62         gpio_set_bits(mantis, config->reset, 0);
  63         msleep(100);
  64         err = mantis_frontend_power(mantis, POWER_ON);
  65         msleep(100);
  66         gpio_set_bits(mantis, config->reset, 1);
  67
  68         if (err == 0) {
  69                 msleep(250);
  70                 dprintk(MANTIS_ERROR, 1, "Probing for 10353 (DVB-T)");
  71                 fe = zl10353_attach(&mantis_vp3030_config, adapter);
  72
  73                 if (!fe)
  74                         return -1;
  75
  76                 tda665x_attach(fe, &env57h12d5_config, adapter);
  77         } else {
  78                 dprintk(MANTIS_ERROR, 1, "Frontend on <%s> POWER ON failed! <%d>",
  79                         adapter->name,
  80                         err);
  81
  82                 return -EIO;
  83
  84         }
  85         mantis->fe = fe;
  86         dprintk(MANTIS_ERROR, 1, "Done!");
  87
  88         return 0;
  89 }
  90
  91 struct mantis_hwconfig vp3030_config = {
  92         .model_name     = MANTIS_MODEL_NAME,
  93         .dev_type       = MANTIS_DEV_TYPE,
  94         .ts_size        = MANTIS_TS_188,
  95
  96         .baud_rate      = MANTIS_BAUD_9600,
  97         .parity         = MANTIS_PARITY_NONE,
  98         .bytes          = 0,
  99
 100         .frontend_init  = vp3030_frontend_init,
 101         .power          = GPIF_A12,
 102         .reset          = GPIF_A13,
 103
 104         .i2c_mode       = MANTIS_BYTE_MODE
 105 };