release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/media/dvb/mantis/mantis_vp1033.c

   1 /*
   2         Mantis VP-1033 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 "stv0299.h"
  32 #include "mantis_common.h"
  33 #include "mantis_ioc.h"
  34 #include "mantis_dvb.h"
  35 #include "mantis_vp1033.h"
  36 #include "mantis_reg.h"
  37
  38 u8 lgtdqcs001f_inittab[] = {
  39         0x01, 0x15,
  40         0x02, 0x00,
  41         0x03, 0x00,
  42         0x04, 0x2a,
  43         0x05, 0x85,
  44         0x06, 0x02,
  45         0x07, 0x00,
  46         0x08, 0x00,
  47         0x0c, 0x01,
  48         0x0d, 0x81,
  49         0x0e, 0x44,
  50         0x0f, 0x94,
  51         0x10, 0x3c,
  52         0x11, 0x84,
  53         0x12, 0xb9,
  54         0x13, 0xb5,
  55         0x14, 0x4f,
  56         0x15, 0xc9,
  57         0x16, 0x80,
  58         0x17, 0x36,
  59         0x18, 0xfb,
  60         0x19, 0xcf,
  61         0x1a, 0xbc,
  62         0x1c, 0x2b,
  63         0x1d, 0x27,
  64         0x1e, 0x00,
  65         0x1f, 0x0b,
  66         0x20, 0xa1,
  67         0x21, 0x60,
  68         0x22, 0x00,
  69         0x23, 0x00,
  70         0x28, 0x00,
  71         0x29, 0x28,
  72         0x2a, 0x14,
  73         0x2b, 0x0f,
  74         0x2c, 0x09,
  75         0x2d, 0x05,
  76         0x31, 0x1f,
  77         0x32, 0x19,
  78         0x33, 0xfc,
  79         0x34, 0x13,
  80         0xff, 0xff,
  81 };
  82
  83 #define MANTIS_MODEL_NAME       "VP-1033"
  84 #define MANTIS_DEV_TYPE         "DVB-S/DSS"
  85
  86 int lgtdqcs001f_tuner_set(struct dvb_frontend *fe,
  87                           struct dvb_frontend_parameters *params)
  88 {
  89         struct mantis_pci *mantis       = fe->dvb->priv;
  90         struct i2c_adapter *adapter     = &mantis->adapter;
  91
  92         u8 buf[4];
  93         u32 div;
  94
  95
  96         struct i2c_msg msg = {.addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf)};
  97
  98         div = params->frequency / 250;
  99
 100         buf[0] = (div >> 8) & 0x7f;
 101         buf[1] =  div & 0xff;
 102         buf[2] =  0x83;
 103         buf[3] =  0xc0;
 104
 105         if (params->frequency < 1531000)
 106                 buf[3] |= 0x04;
 107         else
 108                 buf[3] &= ~0x04;
 109         if (i2c_transfer(adapter, &msg, 1) < 0) {
 110                 dprintk(MANTIS_ERROR, 1, "Write: I2C Transfer failed");
 111                 return -EIO;
 112         }
 113         msleep_interruptible(100);
 114
 115         return 0;
 116 }
 117
 118 int lgtdqcs001f_set_symbol_rate(struct dvb_frontend *fe,
 119                                 u32 srate, u32 ratio)
 120 {
 121         u8 aclk = 0;
 122         u8 bclk = 0;
 123
 124         if (srate < 1500000) {
 125                 aclk = 0xb7;
 126                 bclk = 0x47;
 127         } else if (srate < 3000000) {
 128                 aclk = 0xb7;
 129                 bclk = 0x4b;
 130         } else if (srate < 7000000) {
 131                 aclk = 0xb7;
 132                 bclk = 0x4f;
 133         } else if (srate < 14000000) {
 134                 aclk = 0xb7;
 135                 bclk = 0x53;
 136         } else if (srate < 30000000) {
 137                 aclk = 0xb6;
 138                 bclk = 0x53;
 139         } else if (srate < 45000000) {
 140                 aclk = 0xb4;
 141                 bclk = 0x51;
 142         }
 143         stv0299_writereg(fe, 0x13, aclk);
 144         stv0299_writereg(fe, 0x14, bclk);
 145
 146         stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff);
 147         stv0299_writereg(fe, 0x20, (ratio >>  8) & 0xff);
 148         stv0299_writereg(fe, 0x21,  ratio & 0xf0);
 149
 150         return 0;
 151 }
 152
 153 struct stv0299_config lgtdqcs001f_config = {
 154         .demod_address          = 0x68,
 155         .inittab                = lgtdqcs001f_inittab,
 156         .mclk                   = 88000000UL,
 157         .invert                 = 0,
 158         .skip_reinit            = 0,
 159         .volt13_op0_op1         = STV0299_VOLT13_OP0,
 160         .min_delay_ms           = 100,
 161         .set_symbol_rate        = lgtdqcs001f_set_symbol_rate,
 162 };
 163
 164 static int vp1033_frontend_init(struct mantis_pci *mantis, struct dvb_frontend *fe)
 165 {
 166         struct i2c_adapter *adapter     = &mantis->adapter;
 167
 168         int err = 0;
 169
 170         err = mantis_frontend_power(mantis, POWER_ON);
 171         if (err == 0) {
 172                 mantis_frontend_soft_reset(mantis);
 173                 msleep(250);
 174
 175                 dprintk(MANTIS_ERROR, 1, "Probing for STV0299 (DVB-S)");
 176                 fe = stv0299_attach(&lgtdqcs001f_config, adapter);
 177
 178                 if (fe) {
 179                         fe->ops.tuner_ops.set_params = lgtdqcs001f_tuner_set;
 180                         dprintk(MANTIS_ERROR, 1, "found STV0299 DVB-S frontend @ 0x%02x",
 181                                 lgtdqcs001f_config.demod_address);
 182
 183                         dprintk(MANTIS_ERROR, 1, "Mantis DVB-S STV0299 frontend attach success");
 184                 } else {
 185                         return -1;
 186                 }
 187         } else {
 188                 dprintk(MANTIS_ERROR, 1, "Frontend on <%s> POWER ON failed! <%d>",
 189                         adapter->name,
 190                         err);
 191
 192                 return -EIO;
 193         }
 194         mantis->fe = fe;
 195         dprintk(MANTIS_ERROR, 1, "Done!");
 196
 197         return 0;
 198 }
 199
 200 struct mantis_hwconfig vp1033_config = {
 201         .model_name             = MANTIS_MODEL_NAME,
 202         .dev_type               = MANTIS_DEV_TYPE,
 203         .ts_size                = MANTIS_TS_204,
 204
 205         .baud_rate              = MANTIS_BAUD_9600,
 206         .parity                 = MANTIS_PARITY_NONE,
 207         .bytes                  = 0,
 208
 209         .frontend_init          = vp1033_frontend_init,
 210         .power                  = GPIF_A12,
 211         .reset                  = GPIF_A13,
 212 };