2005-04-17 00:20:36 +02:00
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/*
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* Frontend driver for mobile DVB-T demodulator DiBcom 3000M-B
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* DiBcom (http://www.dibcom.fr/)
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*
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* Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
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*
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* based on GPL code from DibCom, which has
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*
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* Copyright (C) 2004 Amaury Demol for DiBcom (ademol@dibcom.fr)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, version 2.
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*
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* Acknowledgements
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*
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* Amaury Demol (ademol@dibcom.fr) from DiBcom for providing specs and driver
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* sources, on which this driver (and the dvb-dibusb) are based.
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*
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* see Documentation/dvb/README.dibusb for more information
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*
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/delay.h>
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2005-10-31 00:03:48 +01:00
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#include <linux/string.h>
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#include <linux/slab.h>
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2005-04-17 00:20:36 +02:00
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2006-07-04 18:47:16 +02:00
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#include "dvb_frontend.h"
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2005-04-17 00:20:36 +02:00
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#include "dib3000.h"
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2006-07-04 18:47:16 +02:00
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#include "dib3000mb_priv.h"
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2005-04-17 00:20:36 +02:00
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/* Version information */
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#define DRIVER_VERSION "0.1"
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#define DRIVER_DESC "DiBcom 3000M-B DVB-T demodulator"
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#define DRIVER_AUTHOR "Patrick Boettcher, patrick.boettcher@desy.de"
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#ifdef CONFIG_DVB_DIBCOM_DEBUG
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static int debug;
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module_param(debug, int, 0644);
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MODULE_PARM_DESC(debug, "set debugging level (1=info,2=xfer,4=setfe,8=getfe (|-able)).");
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#endif
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#define deb_info(args...) dprintk(0x01,args)
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2006-07-04 18:47:16 +02:00
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#define deb_i2c(args...) dprintk(0x02,args)
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#define deb_srch(args...) dprintk(0x04,args)
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#define deb_info(args...) dprintk(0x01,args)
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2005-04-17 00:20:36 +02:00
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#define deb_xfer(args...) dprintk(0x02,args)
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#define deb_setf(args...) dprintk(0x04,args)
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#define deb_getf(args...) dprintk(0x08,args)
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2006-07-04 18:47:16 +02:00
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#ifdef CONFIG_DVB_DIBCOM_DEBUG
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static int debug;
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module_param(debug, int, 0644);
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MODULE_PARM_DESC(debug, "set debugging level (1=info,2=i2c,4=srch (|-able)).");
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#endif
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static int dib3000_read_reg(struct dib3000_state *state, u16 reg)
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{
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u8 wb[] = { ((reg >> 8) | 0x80) & 0xff, reg & 0xff };
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u8 rb[2];
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struct i2c_msg msg[] = {
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{ .addr = state->config.demod_address, .flags = 0, .buf = wb, .len = 2 },
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{ .addr = state->config.demod_address, .flags = I2C_M_RD, .buf = rb, .len = 2 },
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};
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if (i2c_transfer(state->i2c, msg, 2) != 2)
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deb_i2c("i2c read error\n");
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deb_i2c("reading i2c bus (reg: %5d 0x%04x, val: %5d 0x%04x)\n",reg,reg,
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(rb[0] << 8) | rb[1],(rb[0] << 8) | rb[1]);
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return (rb[0] << 8) | rb[1];
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}
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static int dib3000_write_reg(struct dib3000_state *state, u16 reg, u16 val)
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{
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u8 b[] = {
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(reg >> 8) & 0xff, reg & 0xff,
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(val >> 8) & 0xff, val & 0xff,
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};
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struct i2c_msg msg[] = {
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{ .addr = state->config.demod_address, .flags = 0, .buf = b, .len = 4 }
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};
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deb_i2c("writing i2c bus (reg: %5d 0x%04x, val: %5d 0x%04x)\n",reg,reg,val,val);
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return i2c_transfer(state->i2c,msg, 1) != 1 ? -EREMOTEIO : 0;
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}
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static int dib3000_search_status(u16 irq,u16 lock)
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{
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if (irq & 0x02) {
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if (lock & 0x01) {
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deb_srch("auto search succeeded\n");
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return 1; // auto search succeeded
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} else {
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deb_srch("auto search not successful\n");
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return 0; // auto search failed
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}
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} else if (irq & 0x01) {
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deb_srch("auto search failed\n");
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return 0; // auto search failed
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}
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return -1; // try again
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}
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/* for auto search */
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static u16 dib3000_seq[2][2][2] = /* fft,gua, inv */
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{ /* fft */
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{ /* gua */
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{ 0, 1 }, /* 0 0 { 0,1 } */
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{ 3, 9 }, /* 0 1 { 0,1 } */
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},
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{
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{ 2, 5 }, /* 1 0 { 0,1 } */
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{ 6, 11 }, /* 1 1 { 0,1 } */
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}
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};
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2005-04-17 00:20:36 +02:00
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static int dib3000mb_get_frontend(struct dvb_frontend* fe,
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struct dvb_frontend_parameters *fep);
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static int dib3000mb_set_frontend(struct dvb_frontend* fe,
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struct dvb_frontend_parameters *fep, int tuner)
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{
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2005-05-17 06:54:31 +02:00
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struct dib3000_state* state = fe->demodulator_priv;
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2005-04-17 00:20:36 +02:00
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struct dvb_ofdm_parameters *ofdm = &fep->u.ofdm;
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fe_code_rate_t fe_cr = FEC_NONE;
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int search_state, seq;
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2006-05-14 10:01:31 +02:00
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if (tuner && fe->ops.tuner_ops.set_params) {
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fe->ops.tuner_ops.set_params(fe, fep);
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if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0);
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2005-04-17 00:20:36 +02:00
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deb_setf("bandwidth: ");
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switch (ofdm->bandwidth) {
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case BANDWIDTH_8_MHZ:
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deb_setf("8 MHz\n");
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wr_foreach(dib3000mb_reg_timing_freq, dib3000mb_timing_freq[2]);
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wr_foreach(dib3000mb_reg_bandwidth, dib3000mb_bandwidth_8mhz);
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break;
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case BANDWIDTH_7_MHZ:
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deb_setf("7 MHz\n");
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wr_foreach(dib3000mb_reg_timing_freq, dib3000mb_timing_freq[1]);
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wr_foreach(dib3000mb_reg_bandwidth, dib3000mb_bandwidth_7mhz);
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break;
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case BANDWIDTH_6_MHZ:
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deb_setf("6 MHz\n");
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wr_foreach(dib3000mb_reg_timing_freq, dib3000mb_timing_freq[0]);
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wr_foreach(dib3000mb_reg_bandwidth, dib3000mb_bandwidth_6mhz);
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break;
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case BANDWIDTH_AUTO:
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return -EOPNOTSUPP;
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default:
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err("unkown bandwidth value.");
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return -EINVAL;
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}
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}
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wr(DIB3000MB_REG_LOCK1_MASK, DIB3000MB_LOCK1_SEARCH_4);
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deb_setf("transmission mode: ");
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switch (ofdm->transmission_mode) {
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case TRANSMISSION_MODE_2K:
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deb_setf("2k\n");
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wr(DIB3000MB_REG_FFT, DIB3000_TRANSMISSION_MODE_2K);
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break;
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case TRANSMISSION_MODE_8K:
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deb_setf("8k\n");
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wr(DIB3000MB_REG_FFT, DIB3000_TRANSMISSION_MODE_8K);
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break;
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case TRANSMISSION_MODE_AUTO:
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deb_setf("auto\n");
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break;
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default:
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return -EINVAL;
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}
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deb_setf("guard: ");
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switch (ofdm->guard_interval) {
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case GUARD_INTERVAL_1_32:
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deb_setf("1_32\n");
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wr(DIB3000MB_REG_GUARD_TIME, DIB3000_GUARD_TIME_1_32);
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break;
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case GUARD_INTERVAL_1_16:
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deb_setf("1_16\n");
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wr(DIB3000MB_REG_GUARD_TIME, DIB3000_GUARD_TIME_1_16);
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break;
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case GUARD_INTERVAL_1_8:
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deb_setf("1_8\n");
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wr(DIB3000MB_REG_GUARD_TIME, DIB3000_GUARD_TIME_1_8);
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break;
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case GUARD_INTERVAL_1_4:
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deb_setf("1_4\n");
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wr(DIB3000MB_REG_GUARD_TIME, DIB3000_GUARD_TIME_1_4);
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break;
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case GUARD_INTERVAL_AUTO:
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deb_setf("auto\n");
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break;
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default:
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return -EINVAL;
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}
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deb_setf("inversion: ");
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switch (fep->inversion) {
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case INVERSION_OFF:
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deb_setf("off\n");
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wr(DIB3000MB_REG_DDS_INV, DIB3000_DDS_INVERSION_OFF);
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break;
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case INVERSION_AUTO:
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deb_setf("auto ");
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break;
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case INVERSION_ON:
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deb_setf("on\n");
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wr(DIB3000MB_REG_DDS_INV, DIB3000_DDS_INVERSION_ON);
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break;
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default:
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return -EINVAL;
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}
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deb_setf("constellation: ");
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switch (ofdm->constellation) {
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case QPSK:
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deb_setf("qpsk\n");
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wr(DIB3000MB_REG_QAM, DIB3000_CONSTELLATION_QPSK);
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break;
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case QAM_16:
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deb_setf("qam16\n");
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wr(DIB3000MB_REG_QAM, DIB3000_CONSTELLATION_16QAM);
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break;
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case QAM_64:
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deb_setf("qam64\n");
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wr(DIB3000MB_REG_QAM, DIB3000_CONSTELLATION_64QAM);
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break;
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case QAM_AUTO:
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break;
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default:
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return -EINVAL;
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}
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2007-02-17 19:23:03 +01:00
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deb_setf("hierarchy: ");
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2005-04-17 00:20:36 +02:00
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switch (ofdm->hierarchy_information) {
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case HIERARCHY_NONE:
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deb_setf("none ");
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/* fall through */
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case HIERARCHY_1:
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deb_setf("alpha=1\n");
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wr(DIB3000MB_REG_VIT_ALPHA, DIB3000_ALPHA_1);
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break;
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case HIERARCHY_2:
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deb_setf("alpha=2\n");
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wr(DIB3000MB_REG_VIT_ALPHA, DIB3000_ALPHA_2);
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break;
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case HIERARCHY_4:
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deb_setf("alpha=4\n");
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wr(DIB3000MB_REG_VIT_ALPHA, DIB3000_ALPHA_4);
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break;
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case HIERARCHY_AUTO:
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deb_setf("alpha=auto\n");
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break;
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default:
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return -EINVAL;
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}
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deb_setf("hierarchy: ");
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if (ofdm->hierarchy_information == HIERARCHY_NONE) {
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deb_setf("none\n");
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wr(DIB3000MB_REG_VIT_HRCH, DIB3000_HRCH_OFF);
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wr(DIB3000MB_REG_VIT_HP, DIB3000_SELECT_HP);
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fe_cr = ofdm->code_rate_HP;
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} else if (ofdm->hierarchy_information != HIERARCHY_AUTO) {
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deb_setf("on\n");
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wr(DIB3000MB_REG_VIT_HRCH, DIB3000_HRCH_ON);
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wr(DIB3000MB_REG_VIT_HP, DIB3000_SELECT_LP);
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fe_cr = ofdm->code_rate_LP;
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}
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deb_setf("fec: ");
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switch (fe_cr) {
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case FEC_1_2:
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deb_setf("1_2\n");
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wr(DIB3000MB_REG_VIT_CODE_RATE, DIB3000_FEC_1_2);
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break;
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case FEC_2_3:
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deb_setf("2_3\n");
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wr(DIB3000MB_REG_VIT_CODE_RATE, DIB3000_FEC_2_3);
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break;
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case FEC_3_4:
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deb_setf("3_4\n");
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wr(DIB3000MB_REG_VIT_CODE_RATE, DIB3000_FEC_3_4);
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break;
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case FEC_5_6:
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deb_setf("5_6\n");
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wr(DIB3000MB_REG_VIT_CODE_RATE, DIB3000_FEC_5_6);
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break;
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case FEC_7_8:
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deb_setf("7_8\n");
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wr(DIB3000MB_REG_VIT_CODE_RATE, DIB3000_FEC_7_8);
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break;
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case FEC_NONE:
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deb_setf("none ");
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break;
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case FEC_AUTO:
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deb_setf("auto\n");
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break;
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default:
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return -EINVAL;
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}
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seq = dib3000_seq
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[ofdm->transmission_mode == TRANSMISSION_MODE_AUTO]
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[ofdm->guard_interval == GUARD_INTERVAL_AUTO]
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[fep->inversion == INVERSION_AUTO];
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deb_setf("seq? %d\n", seq);
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wr(DIB3000MB_REG_SEQ, seq);
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wr(DIB3000MB_REG_ISI, seq ? DIB3000MB_ISI_INHIBIT : DIB3000MB_ISI_ACTIVATE);
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if (ofdm->transmission_mode == TRANSMISSION_MODE_2K) {
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if (ofdm->guard_interval == GUARD_INTERVAL_1_8) {
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wr(DIB3000MB_REG_SYNC_IMPROVEMENT, DIB3000MB_SYNC_IMPROVE_2K_1_8);
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} else {
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wr(DIB3000MB_REG_SYNC_IMPROVEMENT, DIB3000MB_SYNC_IMPROVE_DEFAULT);
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}
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wr(DIB3000MB_REG_UNK_121, DIB3000MB_UNK_121_2K);
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} else {
|
|
|
|
wr(DIB3000MB_REG_UNK_121, DIB3000MB_UNK_121_DEFAULT);
|
|
|
|
}
|
|
|
|
|
|
|
|
wr(DIB3000MB_REG_MOBILE_ALGO, DIB3000MB_MOBILE_ALGO_OFF);
|
|
|
|
wr(DIB3000MB_REG_MOBILE_MODE_QAM, DIB3000MB_MOBILE_MODE_QAM_OFF);
|
|
|
|
wr(DIB3000MB_REG_MOBILE_MODE, DIB3000MB_MOBILE_MODE_OFF);
|
|
|
|
|
|
|
|
wr_foreach(dib3000mb_reg_agc_bandwidth, dib3000mb_agc_bandwidth_high);
|
|
|
|
|
|
|
|
wr(DIB3000MB_REG_ISI, DIB3000MB_ISI_ACTIVATE);
|
|
|
|
|
|
|
|
wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_AGC + DIB3000MB_RESTART_CTRL);
|
|
|
|
wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_OFF);
|
|
|
|
|
|
|
|
/* wait for AGC lock */
|
|
|
|
msleep(70);
|
|
|
|
|
|
|
|
wr_foreach(dib3000mb_reg_agc_bandwidth, dib3000mb_agc_bandwidth_low);
|
|
|
|
|
|
|
|
/* something has to be auto searched */
|
|
|
|
if (ofdm->constellation == QAM_AUTO ||
|
|
|
|
ofdm->hierarchy_information == HIERARCHY_AUTO ||
|
|
|
|
fe_cr == FEC_AUTO ||
|
|
|
|
fep->inversion == INVERSION_AUTO) {
|
|
|
|
int as_count=0;
|
|
|
|
|
|
|
|
deb_setf("autosearch enabled.\n");
|
|
|
|
|
|
|
|
wr(DIB3000MB_REG_ISI, DIB3000MB_ISI_INHIBIT);
|
|
|
|
|
|
|
|
wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_AUTO_SEARCH);
|
|
|
|
wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_OFF);
|
|
|
|
|
|
|
|
while ((search_state =
|
|
|
|
dib3000_search_status(
|
|
|
|
rd(DIB3000MB_REG_AS_IRQ_PENDING),
|
|
|
|
rd(DIB3000MB_REG_LOCK2_VALUE))) < 0 && as_count++ < 100)
|
|
|
|
msleep(1);
|
|
|
|
|
|
|
|
deb_setf("search_state after autosearch %d after %d checks\n",search_state,as_count);
|
|
|
|
|
|
|
|
if (search_state == 1) {
|
|
|
|
struct dvb_frontend_parameters feps;
|
|
|
|
if (dib3000mb_get_frontend(fe, &feps) == 0) {
|
|
|
|
deb_setf("reading tuning data from frontend succeeded.\n");
|
|
|
|
return dib3000mb_set_frontend(fe, &feps, 0);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
} else {
|
|
|
|
wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_CTRL);
|
|
|
|
wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_OFF);
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int dib3000mb_fe_init(struct dvb_frontend* fe, int mobile_mode)
|
|
|
|
{
|
2005-05-17 06:54:31 +02:00
|
|
|
struct dib3000_state* state = fe->demodulator_priv;
|
2005-04-17 00:20:36 +02:00
|
|
|
|
|
|
|
deb_info("dib3000mb is getting up.\n");
|
|
|
|
wr(DIB3000MB_REG_POWER_CONTROL, DIB3000MB_POWER_UP);
|
|
|
|
|
|
|
|
wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_AGC);
|
|
|
|
|
|
|
|
wr(DIB3000MB_REG_RESET_DEVICE, DIB3000MB_RESET_DEVICE);
|
|
|
|
wr(DIB3000MB_REG_RESET_DEVICE, DIB3000MB_RESET_DEVICE_RST);
|
|
|
|
|
|
|
|
wr(DIB3000MB_REG_CLOCK, DIB3000MB_CLOCK_DEFAULT);
|
|
|
|
|
|
|
|
wr(DIB3000MB_REG_ELECT_OUT_MODE, DIB3000MB_ELECT_OUT_MODE_ON);
|
|
|
|
|
|
|
|
wr(DIB3000MB_REG_DDS_FREQ_MSB, DIB3000MB_DDS_FREQ_MSB);
|
|
|
|
wr(DIB3000MB_REG_DDS_FREQ_LSB, DIB3000MB_DDS_FREQ_LSB);
|
|
|
|
|
|
|
|
wr_foreach(dib3000mb_reg_timing_freq, dib3000mb_timing_freq[2]);
|
|
|
|
|
|
|
|
wr_foreach(dib3000mb_reg_impulse_noise,
|
|
|
|
dib3000mb_impulse_noise_values[DIB3000MB_IMPNOISE_OFF]);
|
|
|
|
|
|
|
|
wr_foreach(dib3000mb_reg_agc_gain, dib3000mb_default_agc_gain);
|
|
|
|
|
|
|
|
wr(DIB3000MB_REG_PHASE_NOISE, DIB3000MB_PHASE_NOISE_DEFAULT);
|
|
|
|
|
|
|
|
wr_foreach(dib3000mb_reg_phase_noise, dib3000mb_default_noise_phase);
|
|
|
|
|
|
|
|
wr_foreach(dib3000mb_reg_lock_duration, dib3000mb_default_lock_duration);
|
|
|
|
|
|
|
|
wr_foreach(dib3000mb_reg_agc_bandwidth, dib3000mb_agc_bandwidth_low);
|
|
|
|
|
|
|
|
wr(DIB3000MB_REG_LOCK0_MASK, DIB3000MB_LOCK0_DEFAULT);
|
|
|
|
wr(DIB3000MB_REG_LOCK1_MASK, DIB3000MB_LOCK1_SEARCH_4);
|
|
|
|
wr(DIB3000MB_REG_LOCK2_MASK, DIB3000MB_LOCK2_DEFAULT);
|
|
|
|
wr(DIB3000MB_REG_SEQ, dib3000_seq[1][1][1]);
|
|
|
|
|
|
|
|
wr_foreach(dib3000mb_reg_bandwidth, dib3000mb_bandwidth_8mhz);
|
|
|
|
|
|
|
|
wr(DIB3000MB_REG_UNK_68, DIB3000MB_UNK_68);
|
|
|
|
wr(DIB3000MB_REG_UNK_69, DIB3000MB_UNK_69);
|
|
|
|
wr(DIB3000MB_REG_UNK_71, DIB3000MB_UNK_71);
|
|
|
|
wr(DIB3000MB_REG_UNK_77, DIB3000MB_UNK_77);
|
|
|
|
wr(DIB3000MB_REG_UNK_78, DIB3000MB_UNK_78);
|
|
|
|
wr(DIB3000MB_REG_ISI, DIB3000MB_ISI_INHIBIT);
|
|
|
|
wr(DIB3000MB_REG_UNK_92, DIB3000MB_UNK_92);
|
|
|
|
wr(DIB3000MB_REG_UNK_96, DIB3000MB_UNK_96);
|
|
|
|
wr(DIB3000MB_REG_UNK_97, DIB3000MB_UNK_97);
|
|
|
|
wr(DIB3000MB_REG_UNK_106, DIB3000MB_UNK_106);
|
|
|
|
wr(DIB3000MB_REG_UNK_107, DIB3000MB_UNK_107);
|
|
|
|
wr(DIB3000MB_REG_UNK_108, DIB3000MB_UNK_108);
|
|
|
|
wr(DIB3000MB_REG_UNK_122, DIB3000MB_UNK_122);
|
|
|
|
wr(DIB3000MB_REG_MOBILE_MODE_QAM, DIB3000MB_MOBILE_MODE_QAM_OFF);
|
|
|
|
wr(DIB3000MB_REG_BERLEN, DIB3000MB_BERLEN_DEFAULT);
|
|
|
|
|
|
|
|
wr_foreach(dib3000mb_reg_filter_coeffs, dib3000mb_filter_coeffs);
|
|
|
|
|
|
|
|
wr(DIB3000MB_REG_MOBILE_ALGO, DIB3000MB_MOBILE_ALGO_ON);
|
|
|
|
wr(DIB3000MB_REG_MULTI_DEMOD_MSB, DIB3000MB_MULTI_DEMOD_MSB);
|
|
|
|
wr(DIB3000MB_REG_MULTI_DEMOD_LSB, DIB3000MB_MULTI_DEMOD_LSB);
|
|
|
|
|
|
|
|
wr(DIB3000MB_REG_OUTPUT_MODE, DIB3000MB_OUTPUT_MODE_SLAVE);
|
|
|
|
|
|
|
|
wr(DIB3000MB_REG_FIFO_142, DIB3000MB_FIFO_142);
|
|
|
|
wr(DIB3000MB_REG_MPEG2_OUT_MODE, DIB3000MB_MPEG2_OUT_MODE_188);
|
|
|
|
wr(DIB3000MB_REG_PID_PARSE, DIB3000MB_PID_PARSE_ACTIVATE);
|
|
|
|
wr(DIB3000MB_REG_FIFO, DIB3000MB_FIFO_INHIBIT);
|
|
|
|
wr(DIB3000MB_REG_FIFO_146, DIB3000MB_FIFO_146);
|
|
|
|
wr(DIB3000MB_REG_FIFO_147, DIB3000MB_FIFO_147);
|
|
|
|
|
|
|
|
wr(DIB3000MB_REG_DATA_IN_DIVERSITY, DIB3000MB_DATA_DIVERSITY_IN_OFF);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int dib3000mb_get_frontend(struct dvb_frontend* fe,
|
|
|
|
struct dvb_frontend_parameters *fep)
|
|
|
|
{
|
2005-05-17 06:54:31 +02:00
|
|
|
struct dib3000_state* state = fe->demodulator_priv;
|
2005-04-17 00:20:36 +02:00
|
|
|
struct dvb_ofdm_parameters *ofdm = &fep->u.ofdm;
|
|
|
|
fe_code_rate_t *cr;
|
|
|
|
u16 tps_val;
|
|
|
|
int inv_test1,inv_test2;
|
|
|
|
u32 dds_val, threshold = 0x800000;
|
|
|
|
|
|
|
|
if (!rd(DIB3000MB_REG_TPS_LOCK))
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
dds_val = ((rd(DIB3000MB_REG_DDS_VALUE_MSB) & 0xff) << 16) + rd(DIB3000MB_REG_DDS_VALUE_LSB);
|
|
|
|
deb_getf("DDS_VAL: %x %x %x",dds_val, rd(DIB3000MB_REG_DDS_VALUE_MSB), rd(DIB3000MB_REG_DDS_VALUE_LSB));
|
|
|
|
if (dds_val < threshold)
|
|
|
|
inv_test1 = 0;
|
|
|
|
else if (dds_val == threshold)
|
|
|
|
inv_test1 = 1;
|
|
|
|
else
|
|
|
|
inv_test1 = 2;
|
|
|
|
|
|
|
|
dds_val = ((rd(DIB3000MB_REG_DDS_FREQ_MSB) & 0xff) << 16) + rd(DIB3000MB_REG_DDS_FREQ_LSB);
|
|
|
|
deb_getf("DDS_FREQ: %x %x %x",dds_val, rd(DIB3000MB_REG_DDS_FREQ_MSB), rd(DIB3000MB_REG_DDS_FREQ_LSB));
|
|
|
|
if (dds_val < threshold)
|
|
|
|
inv_test2 = 0;
|
|
|
|
else if (dds_val == threshold)
|
|
|
|
inv_test2 = 1;
|
|
|
|
else
|
|
|
|
inv_test2 = 2;
|
|
|
|
|
|
|
|
fep->inversion =
|
|
|
|
((inv_test2 == 2) && (inv_test1==1 || inv_test1==0)) ||
|
|
|
|
((inv_test2 == 0) && (inv_test1==1 || inv_test1==2)) ?
|
|
|
|
INVERSION_ON : INVERSION_OFF;
|
|
|
|
|
|
|
|
deb_getf("inversion %d %d, %d\n", inv_test2, inv_test1, fep->inversion);
|
|
|
|
|
|
|
|
switch ((tps_val = rd(DIB3000MB_REG_TPS_QAM))) {
|
|
|
|
case DIB3000_CONSTELLATION_QPSK:
|
|
|
|
deb_getf("QPSK ");
|
|
|
|
ofdm->constellation = QPSK;
|
|
|
|
break;
|
|
|
|
case DIB3000_CONSTELLATION_16QAM:
|
|
|
|
deb_getf("QAM16 ");
|
|
|
|
ofdm->constellation = QAM_16;
|
|
|
|
break;
|
|
|
|
case DIB3000_CONSTELLATION_64QAM:
|
|
|
|
deb_getf("QAM64 ");
|
|
|
|
ofdm->constellation = QAM_64;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
err("Unexpected constellation returned by TPS (%d)", tps_val);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
deb_getf("TPS: %d\n", tps_val);
|
|
|
|
|
|
|
|
if (rd(DIB3000MB_REG_TPS_HRCH)) {
|
|
|
|
deb_getf("HRCH ON\n");
|
|
|
|
cr = &ofdm->code_rate_LP;
|
|
|
|
ofdm->code_rate_HP = FEC_NONE;
|
|
|
|
switch ((tps_val = rd(DIB3000MB_REG_TPS_VIT_ALPHA))) {
|
|
|
|
case DIB3000_ALPHA_0:
|
|
|
|
deb_getf("HIERARCHY_NONE ");
|
|
|
|
ofdm->hierarchy_information = HIERARCHY_NONE;
|
|
|
|
break;
|
|
|
|
case DIB3000_ALPHA_1:
|
|
|
|
deb_getf("HIERARCHY_1 ");
|
|
|
|
ofdm->hierarchy_information = HIERARCHY_1;
|
|
|
|
break;
|
|
|
|
case DIB3000_ALPHA_2:
|
|
|
|
deb_getf("HIERARCHY_2 ");
|
|
|
|
ofdm->hierarchy_information = HIERARCHY_2;
|
|
|
|
break;
|
|
|
|
case DIB3000_ALPHA_4:
|
|
|
|
deb_getf("HIERARCHY_4 ");
|
|
|
|
ofdm->hierarchy_information = HIERARCHY_4;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
err("Unexpected ALPHA value returned by TPS (%d)", tps_val);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
deb_getf("TPS: %d\n", tps_val);
|
|
|
|
|
|
|
|
tps_val = rd(DIB3000MB_REG_TPS_CODE_RATE_LP);
|
|
|
|
} else {
|
|
|
|
deb_getf("HRCH OFF\n");
|
|
|
|
cr = &ofdm->code_rate_HP;
|
|
|
|
ofdm->code_rate_LP = FEC_NONE;
|
|
|
|
ofdm->hierarchy_information = HIERARCHY_NONE;
|
|
|
|
|
|
|
|
tps_val = rd(DIB3000MB_REG_TPS_CODE_RATE_HP);
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (tps_val) {
|
|
|
|
case DIB3000_FEC_1_2:
|
|
|
|
deb_getf("FEC_1_2 ");
|
|
|
|
*cr = FEC_1_2;
|
|
|
|
break;
|
|
|
|
case DIB3000_FEC_2_3:
|
|
|
|
deb_getf("FEC_2_3 ");
|
|
|
|
*cr = FEC_2_3;
|
|
|
|
break;
|
|
|
|
case DIB3000_FEC_3_4:
|
|
|
|
deb_getf("FEC_3_4 ");
|
|
|
|
*cr = FEC_3_4;
|
|
|
|
break;
|
|
|
|
case DIB3000_FEC_5_6:
|
|
|
|
deb_getf("FEC_5_6 ");
|
|
|
|
*cr = FEC_4_5;
|
|
|
|
break;
|
|
|
|
case DIB3000_FEC_7_8:
|
|
|
|
deb_getf("FEC_7_8 ");
|
|
|
|
*cr = FEC_7_8;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
err("Unexpected FEC returned by TPS (%d)", tps_val);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
deb_getf("TPS: %d\n",tps_val);
|
|
|
|
|
|
|
|
switch ((tps_val = rd(DIB3000MB_REG_TPS_GUARD_TIME))) {
|
|
|
|
case DIB3000_GUARD_TIME_1_32:
|
|
|
|
deb_getf("GUARD_INTERVAL_1_32 ");
|
|
|
|
ofdm->guard_interval = GUARD_INTERVAL_1_32;
|
|
|
|
break;
|
|
|
|
case DIB3000_GUARD_TIME_1_16:
|
|
|
|
deb_getf("GUARD_INTERVAL_1_16 ");
|
|
|
|
ofdm->guard_interval = GUARD_INTERVAL_1_16;
|
|
|
|
break;
|
|
|
|
case DIB3000_GUARD_TIME_1_8:
|
|
|
|
deb_getf("GUARD_INTERVAL_1_8 ");
|
|
|
|
ofdm->guard_interval = GUARD_INTERVAL_1_8;
|
|
|
|
break;
|
|
|
|
case DIB3000_GUARD_TIME_1_4:
|
|
|
|
deb_getf("GUARD_INTERVAL_1_4 ");
|
|
|
|
ofdm->guard_interval = GUARD_INTERVAL_1_4;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
err("Unexpected Guard Time returned by TPS (%d)", tps_val);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
deb_getf("TPS: %d\n", tps_val);
|
|
|
|
|
|
|
|
switch ((tps_val = rd(DIB3000MB_REG_TPS_FFT))) {
|
|
|
|
case DIB3000_TRANSMISSION_MODE_2K:
|
|
|
|
deb_getf("TRANSMISSION_MODE_2K ");
|
|
|
|
ofdm->transmission_mode = TRANSMISSION_MODE_2K;
|
|
|
|
break;
|
|
|
|
case DIB3000_TRANSMISSION_MODE_8K:
|
|
|
|
deb_getf("TRANSMISSION_MODE_8K ");
|
|
|
|
ofdm->transmission_mode = TRANSMISSION_MODE_8K;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
err("unexpected transmission mode return by TPS (%d)", tps_val);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
deb_getf("TPS: %d\n", tps_val);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int dib3000mb_read_status(struct dvb_frontend* fe, fe_status_t *stat)
|
|
|
|
{
|
2005-05-17 06:54:31 +02:00
|
|
|
struct dib3000_state* state = fe->demodulator_priv;
|
2005-04-17 00:20:36 +02:00
|
|
|
|
|
|
|
*stat = 0;
|
|
|
|
|
|
|
|
if (rd(DIB3000MB_REG_AGC_LOCK))
|
|
|
|
*stat |= FE_HAS_SIGNAL;
|
|
|
|
if (rd(DIB3000MB_REG_CARRIER_LOCK))
|
|
|
|
*stat |= FE_HAS_CARRIER;
|
|
|
|
if (rd(DIB3000MB_REG_VIT_LCK))
|
|
|
|
*stat |= FE_HAS_VITERBI;
|
|
|
|
if (rd(DIB3000MB_REG_TS_SYNC_LOCK))
|
|
|
|
*stat |= (FE_HAS_SYNC | FE_HAS_LOCK);
|
|
|
|
|
|
|
|
deb_getf("actual status is %2x\n",*stat);
|
|
|
|
|
|
|
|
deb_getf("autoval: tps: %d, qam: %d, hrch: %d, alpha: %d, hp: %d, lp: %d, guard: %d, fft: %d cell: %d\n",
|
|
|
|
rd(DIB3000MB_REG_TPS_LOCK),
|
|
|
|
rd(DIB3000MB_REG_TPS_QAM),
|
|
|
|
rd(DIB3000MB_REG_TPS_HRCH),
|
|
|
|
rd(DIB3000MB_REG_TPS_VIT_ALPHA),
|
|
|
|
rd(DIB3000MB_REG_TPS_CODE_RATE_HP),
|
|
|
|
rd(DIB3000MB_REG_TPS_CODE_RATE_LP),
|
|
|
|
rd(DIB3000MB_REG_TPS_GUARD_TIME),
|
|
|
|
rd(DIB3000MB_REG_TPS_FFT),
|
|
|
|
rd(DIB3000MB_REG_TPS_CELL_ID));
|
|
|
|
|
|
|
|
//*stat = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int dib3000mb_read_ber(struct dvb_frontend* fe, u32 *ber)
|
|
|
|
{
|
2005-05-17 06:54:31 +02:00
|
|
|
struct dib3000_state* state = fe->demodulator_priv;
|
2005-04-17 00:20:36 +02:00
|
|
|
|
|
|
|
*ber = ((rd(DIB3000MB_REG_BER_MSB) << 16) | rd(DIB3000MB_REG_BER_LSB));
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* see dib3000-watch dvb-apps for exact calcuations of signal_strength and snr */
|
|
|
|
static int dib3000mb_read_signal_strength(struct dvb_frontend* fe, u16 *strength)
|
|
|
|
{
|
2005-05-17 06:54:31 +02:00
|
|
|
struct dib3000_state* state = fe->demodulator_priv;
|
2005-04-17 00:20:36 +02:00
|
|
|
|
|
|
|
*strength = rd(DIB3000MB_REG_SIGNAL_POWER) * 0xffff / 0x170;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int dib3000mb_read_snr(struct dvb_frontend* fe, u16 *snr)
|
|
|
|
{
|
2005-05-17 06:54:31 +02:00
|
|
|
struct dib3000_state* state = fe->demodulator_priv;
|
2005-04-17 00:20:36 +02:00
|
|
|
short sigpow = rd(DIB3000MB_REG_SIGNAL_POWER);
|
|
|
|
int icipow = ((rd(DIB3000MB_REG_NOISE_POWER_MSB) & 0xff) << 16) |
|
|
|
|
rd(DIB3000MB_REG_NOISE_POWER_LSB);
|
|
|
|
*snr = (sigpow << 8) / ((icipow > 0) ? icipow : 1);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int dib3000mb_read_unc_blocks(struct dvb_frontend* fe, u32 *unc)
|
|
|
|
{
|
2005-05-17 06:54:31 +02:00
|
|
|
struct dib3000_state* state = fe->demodulator_priv;
|
2005-04-17 00:20:36 +02:00
|
|
|
|
2005-06-24 07:02:35 +02:00
|
|
|
*unc = rd(DIB3000MB_REG_PACKET_ERROR_RATE);
|
2005-04-17 00:20:36 +02:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int dib3000mb_sleep(struct dvb_frontend* fe)
|
|
|
|
{
|
2005-05-17 06:54:31 +02:00
|
|
|
struct dib3000_state* state = fe->demodulator_priv;
|
2005-04-17 00:20:36 +02:00
|
|
|
deb_info("dib3000mb is going to bed.\n");
|
|
|
|
wr(DIB3000MB_REG_POWER_CONTROL, DIB3000MB_POWER_DOWN);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int dib3000mb_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune)
|
|
|
|
{
|
|
|
|
tune->min_delay_ms = 800;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int dib3000mb_fe_init_nonmobile(struct dvb_frontend* fe)
|
|
|
|
{
|
|
|
|
return dib3000mb_fe_init(fe, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int dib3000mb_set_frontend_and_tuner(struct dvb_frontend* fe, struct dvb_frontend_parameters *fep)
|
|
|
|
{
|
|
|
|
return dib3000mb_set_frontend(fe, fep, 1);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void dib3000mb_release(struct dvb_frontend* fe)
|
|
|
|
{
|
2005-05-17 06:54:31 +02:00
|
|
|
struct dib3000_state *state = fe->demodulator_priv;
|
2005-04-17 00:20:36 +02:00
|
|
|
kfree(state);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* pid filter and transfer stuff */
|
|
|
|
static int dib3000mb_pid_control(struct dvb_frontend *fe,int index, int pid,int onoff)
|
|
|
|
{
|
|
|
|
struct dib3000_state *state = fe->demodulator_priv;
|
|
|
|
pid = (onoff ? pid | DIB3000_ACTIVATE_PID_FILTERING : 0);
|
|
|
|
wr(index+DIB3000MB_REG_FIRST_PID,pid);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int dib3000mb_fifo_control(struct dvb_frontend *fe, int onoff)
|
|
|
|
{
|
2005-05-17 06:54:31 +02:00
|
|
|
struct dib3000_state *state = fe->demodulator_priv;
|
2005-04-17 00:20:36 +02:00
|
|
|
|
|
|
|
deb_xfer("%s fifo\n",onoff ? "enabling" : "disabling");
|
|
|
|
if (onoff) {
|
|
|
|
wr(DIB3000MB_REG_FIFO, DIB3000MB_FIFO_ACTIVATE);
|
|
|
|
} else {
|
|
|
|
wr(DIB3000MB_REG_FIFO, DIB3000MB_FIFO_INHIBIT);
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int dib3000mb_pid_parse(struct dvb_frontend *fe, int onoff)
|
|
|
|
{
|
|
|
|
struct dib3000_state *state = fe->demodulator_priv;
|
|
|
|
deb_xfer("%s pid parsing\n",onoff ? "enabling" : "disabling");
|
|
|
|
wr(DIB3000MB_REG_PID_PARSE,onoff);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int dib3000mb_tuner_pass_ctrl(struct dvb_frontend *fe, int onoff, u8 pll_addr)
|
|
|
|
{
|
2005-05-17 06:54:31 +02:00
|
|
|
struct dib3000_state *state = fe->demodulator_priv;
|
2005-04-17 00:20:36 +02:00
|
|
|
if (onoff) {
|
|
|
|
wr(DIB3000MB_REG_TUNER, DIB3000_TUNER_WRITE_ENABLE(pll_addr));
|
|
|
|
} else {
|
|
|
|
wr(DIB3000MB_REG_TUNER, DIB3000_TUNER_WRITE_DISABLE(pll_addr));
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct dvb_frontend_ops dib3000mb_ops;
|
|
|
|
|
|
|
|
struct dvb_frontend* dib3000mb_attach(const struct dib3000_config* config,
|
|
|
|
struct i2c_adapter* i2c, struct dib_fe_xfer_ops *xfer_ops)
|
|
|
|
{
|
|
|
|
struct dib3000_state* state = NULL;
|
|
|
|
|
|
|
|
/* allocate memory for the internal state */
|
2006-01-11 22:40:56 +01:00
|
|
|
state = kzalloc(sizeof(struct dib3000_state), GFP_KERNEL);
|
2005-04-17 00:20:36 +02:00
|
|
|
if (state == NULL)
|
|
|
|
goto error;
|
|
|
|
|
|
|
|
/* setup the state */
|
|
|
|
state->i2c = i2c;
|
|
|
|
memcpy(&state->config,config,sizeof(struct dib3000_config));
|
|
|
|
|
|
|
|
/* check for the correct demod */
|
|
|
|
if (rd(DIB3000_REG_MANUFACTOR_ID) != DIB3000_I2C_ID_DIBCOM)
|
|
|
|
goto error;
|
|
|
|
|
|
|
|
if (rd(DIB3000_REG_DEVICE_ID) != DIB3000MB_DEVICE_ID)
|
|
|
|
goto error;
|
|
|
|
|
|
|
|
/* create dvb_frontend */
|
2006-05-14 10:01:31 +02:00
|
|
|
memcpy(&state->frontend.ops, &dib3000mb_ops, sizeof(struct dvb_frontend_ops));
|
2005-04-17 00:20:36 +02:00
|
|
|
state->frontend.demodulator_priv = state;
|
|
|
|
|
|
|
|
/* set the xfer operations */
|
|
|
|
xfer_ops->pid_parse = dib3000mb_pid_parse;
|
|
|
|
xfer_ops->fifo_ctrl = dib3000mb_fifo_control;
|
|
|
|
xfer_ops->pid_ctrl = dib3000mb_pid_control;
|
|
|
|
xfer_ops->tuner_pass_ctrl = dib3000mb_tuner_pass_ctrl;
|
|
|
|
|
|
|
|
return &state->frontend;
|
|
|
|
|
|
|
|
error:
|
|
|
|
kfree(state);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct dvb_frontend_ops dib3000mb_ops = {
|
|
|
|
|
|
|
|
.info = {
|
|
|
|
.name = "DiBcom 3000M-B DVB-T",
|
|
|
|
.type = FE_OFDM,
|
|
|
|
.frequency_min = 44250000,
|
|
|
|
.frequency_max = 867250000,
|
|
|
|
.frequency_stepsize = 62500,
|
|
|
|
.caps = FE_CAN_INVERSION_AUTO |
|
|
|
|
FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
|
|
|
|
FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
|
|
|
|
FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
|
|
|
|
FE_CAN_TRANSMISSION_MODE_AUTO |
|
|
|
|
FE_CAN_GUARD_INTERVAL_AUTO |
|
|
|
|
FE_CAN_RECOVER |
|
|
|
|
FE_CAN_HIERARCHY_AUTO,
|
|
|
|
},
|
|
|
|
|
|
|
|
.release = dib3000mb_release,
|
|
|
|
|
|
|
|
.init = dib3000mb_fe_init_nonmobile,
|
|
|
|
.sleep = dib3000mb_sleep,
|
|
|
|
|
|
|
|
.set_frontend = dib3000mb_set_frontend_and_tuner,
|
|
|
|
.get_frontend = dib3000mb_get_frontend,
|
|
|
|
.get_tune_settings = dib3000mb_fe_get_tune_settings,
|
|
|
|
|
|
|
|
.read_status = dib3000mb_read_status,
|
|
|
|
.read_ber = dib3000mb_read_ber,
|
|
|
|
.read_signal_strength = dib3000mb_read_signal_strength,
|
|
|
|
.read_snr = dib3000mb_read_snr,
|
|
|
|
.read_ucblocks = dib3000mb_read_unc_blocks,
|
|
|
|
};
|
|
|
|
|
|
|
|
MODULE_AUTHOR(DRIVER_AUTHOR);
|
|
|
|
MODULE_DESCRIPTION(DRIVER_DESC);
|
|
|
|
MODULE_LICENSE("GPL");
|
|
|
|
|
|
|
|
EXPORT_SYMBOL(dib3000mb_attach);
|