Pileus Git - ~andy/linux/blob - 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 <asm/irq.h>
  22 #include <linux/signal.h>
  23 #include <linux/sched.h>
  24 #include <linux/interrupt.h>
  25
  26 #include "dmxdev.h"
  27 #include "dvbdev.h"
  28 #include "dvb_demux.h"
  29 #include "dvb_frontend.h"
  30 #include "dvb_net.h"
  31
  32 #include "stv0299.h"
  33 #include "mantis_common.h"
  34 #include "mantis_vp1033.h"
  35
  36 u8 lgtdqcs001f_inittab[] = {
  37         0x01, 0x15,
  38         0x02, 0x00,
  39         0x03, 0x00,
  40         0x04, 0x2a,
  41         0x05, 0x85,
  42         0x06, 0x02,
  43         0x07, 0x00,
  44         0x08, 0x00,
  45         0x0c, 0x01,
  46         0x0d, 0x81,
  47         0x0e, 0x44,
  48         0x0f, 0x94,
  49         0x10, 0x3c,
  50         0x11, 0x84,
  51         0x12, 0xb9,
  52         0x13, 0xb5,
  53         0x14, 0x4f,
  54         0x15, 0xc9,
  55         0x16, 0x80,
  56         0x17, 0x36,
  57         0x18, 0xfb,
  58         0x19, 0xcf,
  59         0x1a, 0xbc,
  60         0x1c, 0x2b,
  61         0x1d, 0x27,
  62         0x1e, 0x00,
  63         0x1f, 0x0b,
  64         0x20, 0xa1,
  65         0x21, 0x60,
  66         0x22, 0x00,
  67         0x23, 0x00,
  68         0x28, 0x00,
  69         0x29, 0x28,
  70         0x2a, 0x14,
  71         0x2b, 0x0f,
  72         0x2c, 0x09,
  73         0x2d, 0x05,
  74         0x31, 0x1f,
  75         0x32, 0x19,
  76         0x33, 0xfc,
  77         0x34, 0x13,
  78         0xff, 0xff,
  79 };
  80
  81 #define MANTIS_MODEL_NAME       "VP-1033"
  82 #define MANTIS_DEV_TYPE         "DVB-S/DSS"
  83
  84 int lgtdqcs001f_tuner_set(struct dvb_frontend *fe,
  85                           struct dvb_frontend_parameters *params)
  86 {
  87         struct mantis_pci *mantis       = fe->dvb->priv;
  88         struct i2c_adapter *adapter     = &mantis->adapter;
  89
  90         u8 buf[4];
  91         u32 div;
  92
  93
  94         struct i2c_msg msg = {.addr = 0x61, .flags = 0, .buf = buf, .len = sizeof (buf) };
  95
  96         div = params->frequency / 250;
  97
  98         buf[0] = (div >> 8) & 0x7f;
  99         buf[1] =  div & 0xff;
 100         buf[2] =  0x83;
 101         buf[3] =  0xc0;
 102
 103         if (params->frequency < 1531000)
 104                 buf[3] |= 0x04;
 105         else
 106                 buf[3] &= ~0x04;
 107         if (i2c_transfer(adapter, &msg, 1) < 0) {
 108                 dprintk(MANTIS_ERROR, 1, "Write: I2C Transfer failed");
 109                 return -EIO;
 110         }
 111         msleep_interruptible(100);
 112
 113         return 0;
 114 }
 115
 116 int lgtdqcs001f_set_symbol_rate(struct dvb_frontend *fe,
 117                                 u32 srate, u32 ratio)
 118 {
 119         u8 aclk = 0;
 120         u8 bclk = 0;
 121
 122         if (srate < 1500000) {
 123                 aclk = 0xb7;
 124                 bclk = 0x47;
 125         } else if (srate < 3000000) {
 126                 aclk = 0xb7;
 127                 bclk = 0x4b;
 128         } else if (srate < 7000000) {
 129                 aclk = 0xb7;
 130                 bclk = 0x4f;
 131         } else if (srate < 14000000) {
 132                 aclk = 0xb7;
 133                 bclk = 0x53;
 134         } else if (srate < 30000000) {
 135                 aclk = 0xb6;
 136                 bclk = 0x53;
 137         } else if (srate < 45000000) {
 138                 aclk = 0xb4;
 139                 bclk = 0x51;
 140         }
 141         stv0299_writereg (fe, 0x13, aclk);
 142         stv0299_writereg (fe, 0x14, bclk);
 143
 144         stv0299_writereg (fe, 0x1f, (ratio >> 16) & 0xff);
 145         stv0299_writereg (fe, 0x20, (ratio >>  8) & 0xff);
 146         stv0299_writereg (fe, 0x21, (ratio      ) & 0xf0);
 147
 148         return 0;
 149 }
 150
 151 struct stv0299_config lgtdqcs001f_config = {
 152         .demod_address          = 0x68,
 153         .inittab                = lgtdqcs001f_inittab,
 154         .mclk                   = 88000000UL,
 155         .invert                 = 0,
 156         .skip_reinit            = 0,
 157         .volt13_op0_op1         = STV0299_VOLT13_OP0,
 158         .min_delay_ms           = 100,
 159         .set_symbol_rate        = lgtdqcs001f_set_symbol_rate,
 160 };
 161
 162 static int vp1033_frontend_init(struct mantis_pci *mantis, struct dvb_frontend *fe)
 163 {
 164         struct i2c_adapter *adapter     = &mantis->adapter;
 165
 166         dprintk(MANTIS_ERROR, 1, "Probing for STV0299 (DVB-S)");
 167         fe = stv0299_attach(&lgtdqcs001f_config, adapter);
 168
 169         if (fe) {
 170                 fe->ops.tuner_ops.set_params = lgtdqcs001f_tuner_set;
 171                 dprintk(MANTIS_ERROR, 1, "found STV0299 DVB-S frontend @ 0x%02x",
 172                         lgtdqcs001f_config.demod_address);
 173
 174                 dprintk(MANTIS_ERROR, 1, "Mantis DVB-S STV0299 frontend attach success");
 175         } else {
 176                 return -1;
 177         }
 178
 179         mantis->fe = fe;
 180         dprintk(MANTIS_ERROR, 1, "Done!");
 181
 182         return 0;
 183 }
 184
 185 struct mantis_hwconfig vp1033_config = {
 186         .model_name             = MANTIS_MODEL_NAME,
 187         .dev_type               = MANTIS_DEV_TYPE,
 188         .ts_size                = MANTIS_TS_204,
 189
 190         .baud_rate              = MANTIS_BAUD_9600,
 191         .parity                 = MANTIS_PARITY_NONE,
 192         .bytes                  = 0,
 193
 194         .frontend_init          = vp1033_frontend_init,
 195 };