drivers/media/dvb/mantis/mantis_vp1033.c

   1 /*
   2         Mantis VP-1033 driver
   3
   4         Copyright (C) 2005, 2006 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 "mantis_common.h"
  22 #include "mantis_vp1033.h"
  23
  24 u8 lgtdqcs001f_inittab[] = {
  25         0x01, 0x15,
  26         0x02, 0x00,
  27         0x03, 0x00,
  28         0x04, 0x2a,
  29         0x05, 0x85,
  30         0x06, 0x02,
  31         0x07, 0x00,
  32         0x08, 0x00,
  33         0x0c, 0x01,
  34         0x0d, 0x81,
  35         0x0e, 0x44,
  36         0x0f, 0x94,
  37         0x10, 0x3c,
  38         0x11, 0x84,
  39         0x12, 0xb9,
  40         0x13, 0xb5,
  41         0x14, 0x4f,
  42         0x15, 0xc9,
  43         0x16, 0x80,
  44         0x17, 0x36,
  45         0x18, 0xfb,
  46         0x19, 0xcf,
  47         0x1a, 0xbc,
  48         0x1c, 0x2b,
  49         0x1d, 0x27,
  50         0x1e, 0x00,
  51         0x1f, 0x0b,
  52         0x20, 0xa1,
  53         0x21, 0x60,
  54         0x22, 0x00,
  55         0x23, 0x00,
  56         0x28, 0x00,
  57         0x29, 0x28,
  58         0x2a, 0x14,
  59         0x2b, 0x0f,
  60         0x2c, 0x09,
  61         0x2d, 0x05,
  62         0x31, 0x1f,
  63         0x32, 0x19,
  64         0x33, 0xfc,
  65         0x34, 0x13,
  66         0xff, 0xff,
  67 };
  68
  69 struct stv0299_config lgtdqcs001f_config = {
  70         .demod_address          = 0x68,
  71         .inittab                = lgtdqcs001f_inittab,
  72         .mclk                   = 88000000UL,
  73 //      .invert = 0,
  74         .invert                 = 1,
  75 //      .enhanced_tuning = 0,
  76         .skip_reinit            = 0,
  77 //      .lock_output            = STV0229_LOCKOUTPUT_0,
  78         .volt13_op0_op1         = STV0299_VOLT13_OP0,
  79         .min_delay_ms           = 100,
  80         .set_symbol_rate        = lgtdqcs001f_set_symbol_rate,
  81 //      .pll_set                = lgtdqcs001f_pll_set,
  82 };
  83
  84 #define MANTIS_MODEL_NAME       "VP-1033"
  85 #define MANTIS_DEV_TYPE         "DVB-S/DSS"
  86
  87 struct mantis_hwconfig vp1033_mantis_config = {
  88         .model_name             = MANTIS_MODEL_NAME,
  89         .dev_type               = MANTIS_DEV_TYPE,
  90         .ts_size                = MANTIS_TS_204,
  91 };
  92
  93 int lgtdqcs001f_tuner_set(struct dvb_frontend *fe,
  94                           struct dvb_frontend_parameters *params)
  95 {
  96         u8 buf[4];
  97         u32 div;
  98
  99         struct mantis_pci *mantis = fe->dvb->priv;
 100
 101         struct i2c_msg msg = {
 102                 .addr = 0x61,
 103                 .flags = 0,
 104                 .buf = buf,
 105                 .len = sizeof (buf)
 106         };
 107         div = params->frequency / 250;
 108
 109         buf[0] = (div >> 8) & 0x7f;
 110         buf[1] =  div & 0xff;
 111         buf[2] =  0x83;
 112         buf[3] =  0xc0;
 113
 114         if (params->frequency < 1531000)
 115                 buf[3] |= 0x04;
 116         else
 117                 buf[3] &= ~0x04;
 118         if (i2c_transfer(&mantis->adapter, &msg, 1) < 0) {
 119                 dprintk(verbose, MANTIS_ERROR, 1, "Write: I2C Transfer failed");
 120                 return -EIO;
 121         }
 122         msleep_interruptible(100);
 123
 124         return 0;
 125 }
 126
 127 int lgtdqcs001f_set_symbol_rate(struct dvb_frontend *fe,
 128                                 u32 srate, u32 ratio)
 129 {
 130         u8 aclk = 0;
 131         u8 bclk = 0;
 132
 133         if (srate < 1500000) {
 134                 aclk = 0xb7;
 135                 bclk = 0x47;
 136         } else if (srate < 3000000) {
 137                 aclk = 0xb7;
 138                 bclk = 0x4b;
 139         } else if (srate < 7000000) {
 140                 aclk = 0xb7;
 141                 bclk = 0x4f;
 142         } else if (srate < 14000000) {
 143                 aclk = 0xb7;
 144                 bclk = 0x53;
 145         } else if (srate < 30000000) {
 146                 aclk = 0xb6;
 147                 bclk = 0x53;
 148         } else if (srate < 45000000) {
 149                 aclk = 0xb4;
 150                 bclk = 0x51;
 151         }
 152         stv0299_writereg (fe, 0x13, aclk);
 153         stv0299_writereg (fe, 0x14, bclk);
 154
 155         stv0299_writereg (fe, 0x1f, (ratio >> 16) & 0xff);
 156         stv0299_writereg (fe, 0x20, (ratio >>  8) & 0xff);
 157         stv0299_writereg (fe, 0x21, (ratio      ) & 0xf0);
 158
 159         return 0;
 160 }