leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity
0144f31466
linux/drivers/media/dvb/frontends/dib3000mc.c
Tim Schmielau 4e57b68178 [PATCH] fix missing includes 
I recently picked up my older work to remove unnecessary #includes of
sched.h, starting from a patch by Dave Jones to not include sched.h
from module.h. This reduces the number of indirect includes of sched.h
by ~300. Another ~400 pointless direct includes can be removed after
this disentangling (patch to follow later).
However, quite a few indirect includes need to be fixed up for this.

In order to feed the patches through -mm with as little disturbance as
possible, I've split out the fixes I accumulated up to now (complete for
i386 and x86_64, more archs to follow later) and post them before the real
patch.  This way this large part of the patch is kept simple with only
adding #includes, and all hunks are independent of each other.  So if any
hunk rejects or gets in the way of other patches, just drop it.  My scripts
will pick it up again in the next round.

Signed-off-by: Tim Schmielau <tim@physik3.uni-rostock.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-30 17:37:32 -08:00

920 lines
27 KiB
C
Raw Blame History

/*
* Frontend driver for mobile DVB-T demodulator DiBcom 3000P/M-C
* DiBcom (http://www.dibcom.fr/)
*
* Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
*
* based on GPL code from DiBCom, which has
*
* Copyright (C) 2004 Amaury Demol for DiBcom (ademol@dibcom.fr)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, version 2.
*
* Acknowledgements
*
* Amaury Demol (ademol@dibcom.fr) from DiBcom for providing specs and driver
* sources, on which this driver (and the dvb-dibusb) are based.
*
* see Documentation/dvb/README.dibusb for more information
*
*/
#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/string.h>
#include <linux/slab.h>
#include "dib3000-common.h"
#include "dib3000mc_priv.h"
#include "dib3000.h"
/* Version information */
#define DRIVER_VERSION "0.1"
#define DRIVER_DESC "DiBcom 3000M-C DVB-T demodulator"
#define DRIVER_AUTHOR "Patrick Boettcher, patrick.boettcher@desy.de"
#ifdef CONFIG_DVB_DIBCOM_DEBUG
static int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=info,2=xfer,4=setfe,8=getfe,16=stat (|-able)).");
#endif
#define deb_info(args...) dprintk(0x01,args)
#define deb_xfer(args...) dprintk(0x02,args)
#define deb_setf(args...) dprintk(0x04,args)
#define deb_getf(args...) dprintk(0x08,args)
#define deb_stat(args...) dprintk(0x10,args)
static int dib3000mc_set_impulse_noise(struct dib3000_state * state, int mode,
fe_transmit_mode_t transmission_mode, fe_bandwidth_t bandwidth)
{
switch (transmission_mode) {
case TRANSMISSION_MODE_2K:
wr_foreach(dib3000mc_reg_fft,dib3000mc_fft_modes[0]);
break;
case TRANSMISSION_MODE_8K:
wr_foreach(dib3000mc_reg_fft,dib3000mc_fft_modes[1]);
break;
default:
break;
}
switch (bandwidth) {
/* case BANDWIDTH_5_MHZ:
wr_foreach(dib3000mc_reg_impulse_noise,dib3000mc_impluse_noise[0]);
break; */
case BANDWIDTH_6_MHZ:
wr_foreach(dib3000mc_reg_impulse_noise,dib3000mc_impluse_noise[1]);
break;
case BANDWIDTH_7_MHZ:
wr_foreach(dib3000mc_reg_impulse_noise,dib3000mc_impluse_noise[2]);
break;
case BANDWIDTH_8_MHZ:
wr_foreach(dib3000mc_reg_impulse_noise,dib3000mc_impluse_noise[3]);
break;
default:
break;
}
switch (mode) {
case 0: /* no impulse */ /* fall through */
wr_foreach(dib3000mc_reg_imp_noise_ctl,dib3000mc_imp_noise_ctl[0]);
break;
case 1: /* new algo */
wr_foreach(dib3000mc_reg_imp_noise_ctl,dib3000mc_imp_noise_ctl[1]);
set_or(DIB3000MC_REG_IMP_NOISE_55,DIB3000MC_IMP_NEW_ALGO(0)); /* gives 1<<10 */
break;
default: /* old algo */
wr_foreach(dib3000mc_reg_imp_noise_ctl,dib3000mc_imp_noise_ctl[3]);
break;
}
return 0;
}
static int dib3000mc_set_timing(struct dib3000_state *state, int upd_offset,
fe_transmit_mode_t fft, fe_bandwidth_t bw)
{
u16 timf_msb,timf_lsb;
s32 tim_offset,tim_sgn;
u64 comp1,comp2,comp=0;
switch (bw) {
case BANDWIDTH_8_MHZ: comp = DIB3000MC_CLOCK_REF*8; break;
case BANDWIDTH_7_MHZ: comp = DIB3000MC_CLOCK_REF*7; break;
case BANDWIDTH_6_MHZ: comp = DIB3000MC_CLOCK_REF*6; break;
default: err("unknown bandwidth (%d)",bw); break;
}
timf_msb = (comp >> 16) & 0xff;
timf_lsb = (comp & 0xffff);
// Update the timing offset ;
if (upd_offset > 0) {
if (!state->timing_offset_comp_done) {
msleep(200);
state->timing_offset_comp_done = 1;
}
tim_offset = rd(DIB3000MC_REG_TIMING_OFFS_MSB);
if ((tim_offset & 0x2000) == 0x2000)
tim_offset |= 0xC000;
if (fft == TRANSMISSION_MODE_2K)
tim_offset <<= 2;
state->timing_offset += tim_offset;
}
tim_offset = state->timing_offset;
if (tim_offset < 0) {
tim_sgn = 1;
tim_offset = -tim_offset;
} else
tim_sgn = 0;
comp1 = (u32)tim_offset * (u32)timf_lsb ;
comp2 = (u32)tim_offset * (u32)timf_msb ;
comp = ((comp1 >> 16) + comp2) >> 7;
if (tim_sgn == 0)
comp = (u32)(timf_msb << 16) + (u32) timf_lsb + comp;
else
comp = (u32)(timf_msb << 16) + (u32) timf_lsb - comp ;
timf_msb = (comp >> 16) & 0xff;
timf_lsb = comp & 0xffff;
wr(DIB3000MC_REG_TIMING_FREQ_MSB,timf_msb);
wr(DIB3000MC_REG_TIMING_FREQ_LSB,timf_lsb);
return 0;
}
static int dib3000mc_init_auto_scan(struct dib3000_state *state, fe_bandwidth_t bw, int boost)
{
if (boost) {
wr(DIB3000MC_REG_SCAN_BOOST,DIB3000MC_SCAN_BOOST_ON);
} else {
wr(DIB3000MC_REG_SCAN_BOOST,DIB3000MC_SCAN_BOOST_OFF);
}
switch (bw) {
case BANDWIDTH_8_MHZ:
wr_foreach(dib3000mc_reg_bandwidth,dib3000mc_bandwidth_8mhz);
break;
case BANDWIDTH_7_MHZ:
wr_foreach(dib3000mc_reg_bandwidth,dib3000mc_bandwidth_7mhz);
break;
case BANDWIDTH_6_MHZ:
wr_foreach(dib3000mc_reg_bandwidth,dib3000mc_bandwidth_6mhz);
break;
/* case BANDWIDTH_5_MHZ:
wr_foreach(dib3000mc_reg_bandwidth,dib3000mc_bandwidth_5mhz);
break;*/
case BANDWIDTH_AUTO:
return -EOPNOTSUPP;
default:
err("unknown bandwidth value (%d).",bw);
return -EINVAL;
}
if (boost) {
u32 timeout = (rd(DIB3000MC_REG_BW_TIMOUT_MSB) << 16) +
rd(DIB3000MC_REG_BW_TIMOUT_LSB);
timeout *= 85; timeout >>= 7;
wr(DIB3000MC_REG_BW_TIMOUT_MSB,(timeout >> 16) & 0xffff);
wr(DIB3000MC_REG_BW_TIMOUT_LSB,timeout & 0xffff);
}
return 0;
}
static int dib3000mc_set_adp_cfg(struct dib3000_state *state, fe_modulation_t con)
{
switch (con) {
case QAM_64:
wr_foreach(dib3000mc_reg_adp_cfg,dib3000mc_adp_cfg[2]);
break;
case QAM_16:
wr_foreach(dib3000mc_reg_adp_cfg,dib3000mc_adp_cfg[1]);
break;
case QPSK:
wr_foreach(dib3000mc_reg_adp_cfg,dib3000mc_adp_cfg[0]);
break;
case QAM_AUTO:
break;
default:
warn("unkown constellation.");
break;
}
return 0;
}
static int dib3000mc_set_general_cfg(struct dib3000_state *state, struct dvb_frontend_parameters *fep, int *auto_val)
{
struct dvb_ofdm_parameters *ofdm = &fep->u.ofdm;
fe_code_rate_t fe_cr = FEC_NONE;
u8 fft=0, guard=0, qam=0, alpha=0, sel_hp=0, cr=0, hrch=0;
int seq;
switch (ofdm->transmission_mode) {
case TRANSMISSION_MODE_2K: fft = DIB3000_TRANSMISSION_MODE_2K; break;
case TRANSMISSION_MODE_8K: fft = DIB3000_TRANSMISSION_MODE_8K; break;
case TRANSMISSION_MODE_AUTO: break;
default: return -EINVAL;
}
switch (ofdm->guard_interval) {
case GUARD_INTERVAL_1_32: guard = DIB3000_GUARD_TIME_1_32; break;
case GUARD_INTERVAL_1_16: guard = DIB3000_GUARD_TIME_1_16; break;
case GUARD_INTERVAL_1_8: guard = DIB3000_GUARD_TIME_1_8; break;
case GUARD_INTERVAL_1_4: guard = DIB3000_GUARD_TIME_1_4; break;
case GUARD_INTERVAL_AUTO: break;
default: return -EINVAL;
}
switch (ofdm->constellation) {
case QPSK: qam = DIB3000_CONSTELLATION_QPSK; break;
case QAM_16: qam = DIB3000_CONSTELLATION_16QAM; break;
case QAM_64: qam = DIB3000_CONSTELLATION_64QAM; break;
case QAM_AUTO: break;
default: return -EINVAL;
}
switch (ofdm->hierarchy_information) {
case HIERARCHY_NONE: /* fall through */
case HIERARCHY_1: alpha = DIB3000_ALPHA_1; break;
case HIERARCHY_2: alpha = DIB3000_ALPHA_2; break;
case HIERARCHY_4: alpha = DIB3000_ALPHA_4; break;
case HIERARCHY_AUTO: break;
default: return -EINVAL;
}
if (ofdm->hierarchy_information == HIERARCHY_NONE) {
hrch = DIB3000_HRCH_OFF;
sel_hp = DIB3000_SELECT_HP;
fe_cr = ofdm->code_rate_HP;
} else if (ofdm->hierarchy_information != HIERARCHY_AUTO) {
hrch = DIB3000_HRCH_ON;
sel_hp = DIB3000_SELECT_LP;
fe_cr = ofdm->code_rate_LP;
}
switch (fe_cr) {
case FEC_1_2: cr = DIB3000_FEC_1_2; break;
case FEC_2_3: cr = DIB3000_FEC_2_3; break;
case FEC_3_4: cr = DIB3000_FEC_3_4; break;
case FEC_5_6: cr = DIB3000_FEC_5_6; break;
case FEC_7_8: cr = DIB3000_FEC_7_8; break;
case FEC_NONE: break;
case FEC_AUTO: break;
default: return -EINVAL;
}
wr(DIB3000MC_REG_DEMOD_PARM,DIB3000MC_DEMOD_PARM(alpha,qam,guard,fft));
wr(DIB3000MC_REG_HRCH_PARM,DIB3000MC_HRCH_PARM(sel_hp,cr,hrch));
switch (fep->inversion) {
case INVERSION_OFF:
wr(DIB3000MC_REG_SET_DDS_FREQ_MSB,DIB3000MC_DDS_FREQ_MSB_INV_OFF);
break;
case INVERSION_AUTO: /* fall through */
case INVERSION_ON:
wr(DIB3000MC_REG_SET_DDS_FREQ_MSB,DIB3000MC_DDS_FREQ_MSB_INV_ON);
break;
default:
return -EINVAL;
}
seq = dib3000_seq
[ofdm->transmission_mode == TRANSMISSION_MODE_AUTO]
[ofdm->guard_interval == GUARD_INTERVAL_AUTO]
[fep->inversion == INVERSION_AUTO];
deb_setf("seq? %d\n", seq);
wr(DIB3000MC_REG_SEQ_TPS,DIB3000MC_SEQ_TPS(seq,1));
*auto_val = ofdm->constellation == QAM_AUTO ||
ofdm->hierarchy_information == HIERARCHY_AUTO ||
ofdm->guard_interval == GUARD_INTERVAL_AUTO ||
ofdm->transmission_mode == TRANSMISSION_MODE_AUTO ||
fe_cr == FEC_AUTO ||
fep->inversion == INVERSION_AUTO;
return 0;
}
static int dib3000mc_get_frontend(struct dvb_frontend* fe,
struct dvb_frontend_parameters *fep)
{
struct dib3000_state* state = fe->demodulator_priv;
struct dvb_ofdm_parameters *ofdm = &fep->u.ofdm;
fe_code_rate_t *cr;
u16 tps_val,cr_val;
int inv_test1,inv_test2;
u32 dds_val, threshold = 0x1000000;
if (!(rd(DIB3000MC_REG_LOCK_507) & DIB3000MC_LOCK_507))
return 0;
dds_val = (rd(DIB3000MC_REG_DDS_FREQ_MSB) << 16) + rd(DIB3000MC_REG_DDS_FREQ_LSB);
deb_getf("DDS_FREQ: %6x\n",dds_val);
if (dds_val < threshold)
inv_test1 = 0;
else if (dds_val == threshold)
inv_test1 = 1;
else
inv_test1 = 2;
dds_val = (rd(DIB3000MC_REG_SET_DDS_FREQ_MSB) << 16) + rd(DIB3000MC_REG_SET_DDS_FREQ_LSB);
deb_getf("DDS_SET_FREQ: %6x\n",dds_val);
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);
fep->frequency = state->last_tuned_freq;
fep->u.ofdm.bandwidth= state->last_tuned_bw;
tps_val = rd(DIB3000MC_REG_TUNING_PARM);
switch (DIB3000MC_TP_QAM(tps_val)) {
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;
}
if (DIB3000MC_TP_HRCH(tps_val)) {
deb_getf("HRCH ON ");
cr = &ofdm->code_rate_LP;
ofdm->code_rate_HP = FEC_NONE;
switch (DIB3000MC_TP_ALPHA(tps_val)) {
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;
}
cr_val = DIB3000MC_TP_FEC_CR_LP(tps_val);
} else {
deb_getf("HRCH OFF ");
cr = &ofdm->code_rate_HP;
ofdm->code_rate_LP = FEC_NONE;
ofdm->hierarchy_information = HIERARCHY_NONE;
cr_val = DIB3000MC_TP_FEC_CR_HP(tps_val);
}
switch (cr_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;
}
switch (DIB3000MC_TP_GUARD(tps_val)) {
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;
}
switch (DIB3000MC_TP_FFT(tps_val)) {
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("\n");
return 0;
}
static int dib3000mc_set_frontend(struct dvb_frontend* fe,
struct dvb_frontend_parameters *fep, int tuner)
{
struct dib3000_state* state = fe->demodulator_priv;
struct dvb_ofdm_parameters *ofdm = &fep->u.ofdm;
int search_state,auto_val;
u16 val;
if (tuner && state->config.pll_set) { /* initial call from dvb */
state->config.pll_set(fe,fep);
state->last_tuned_freq = fep->frequency;
// if (!scanboost) {
dib3000mc_set_timing(state,0,ofdm->transmission_mode,ofdm->bandwidth);
dib3000mc_init_auto_scan(state, ofdm->bandwidth, 0);
state->last_tuned_bw = ofdm->bandwidth;
wr_foreach(dib3000mc_reg_agc_bandwidth,dib3000mc_agc_bandwidth);
wr(DIB3000MC_REG_RESTART,DIB3000MC_RESTART_AGC);
wr(DIB3000MC_REG_RESTART,DIB3000MC_RESTART_OFF);
/* Default cfg isi offset adp */
wr_foreach(dib3000mc_reg_offset,dib3000mc_offset[0]);
wr(DIB3000MC_REG_ISI,DIB3000MC_ISI_DEFAULT | DIB3000MC_ISI_INHIBIT);
dib3000mc_set_adp_cfg(state,ofdm->constellation);
wr(DIB3000MC_REG_UNK_133,DIB3000MC_UNK_133);
wr_foreach(dib3000mc_reg_bandwidth_general,dib3000mc_bandwidth_general);
/* power smoothing */
if (ofdm->bandwidth != BANDWIDTH_8_MHZ) {
wr_foreach(dib3000mc_reg_bw,dib3000mc_bw[0]);
} else {
wr_foreach(dib3000mc_reg_bw,dib3000mc_bw[3]);
}
auto_val = 0;
dib3000mc_set_general_cfg(state,fep,&auto_val);
dib3000mc_set_impulse_noise(state,0,ofdm->constellation,ofdm->bandwidth);
val = rd(DIB3000MC_REG_DEMOD_PARM);
wr(DIB3000MC_REG_DEMOD_PARM,val|DIB3000MC_DEMOD_RST_DEMOD_ON);
wr(DIB3000MC_REG_DEMOD_PARM,val);
// }
msleep(70);
/* something has to be auto searched */
if (auto_val) {
int as_count=0;
deb_setf("autosearch enabled.\n");
val = rd(DIB3000MC_REG_DEMOD_PARM);
wr(DIB3000MC_REG_DEMOD_PARM,val | DIB3000MC_DEMOD_RST_AUTO_SRCH_ON);
wr(DIB3000MC_REG_DEMOD_PARM,val);
while ((search_state = dib3000_search_status(
rd(DIB3000MC_REG_AS_IRQ),1)) < 0 && as_count++ < 100)
msleep(10);
deb_info("search_state after autosearch %d after %d checks\n",search_state,as_count);
if (search_state == 1) {
struct dvb_frontend_parameters feps;
if (dib3000mc_get_frontend(fe, &feps) == 0) {
deb_setf("reading tuning data from frontend succeeded.\n");
return dib3000mc_set_frontend(fe, &feps, 0);
}
}
} else {
dib3000mc_set_impulse_noise(state,0,ofdm->transmission_mode,ofdm->bandwidth);
wr(DIB3000MC_REG_ISI,DIB3000MC_ISI_DEFAULT|DIB3000MC_ISI_ACTIVATE);
dib3000mc_set_adp_cfg(state,ofdm->constellation);
/* set_offset_cfg */
wr_foreach(dib3000mc_reg_offset,
dib3000mc_offset[(ofdm->transmission_mode == TRANSMISSION_MODE_8K)+1]);
}
} else { /* second call, after autosearch (fka: set_WithKnownParams) */
// dib3000mc_set_timing(state,1,ofdm->transmission_mode,ofdm->bandwidth);
auto_val = 0;
dib3000mc_set_general_cfg(state,fep,&auto_val);
if (auto_val)
deb_info("auto_val is true, even though an auto search was already performed.\n");
dib3000mc_set_impulse_noise(state,0,ofdm->constellation,ofdm->bandwidth);
val = rd(DIB3000MC_REG_DEMOD_PARM);
wr(DIB3000MC_REG_DEMOD_PARM,val | DIB3000MC_DEMOD_RST_AUTO_SRCH_ON);
wr(DIB3000MC_REG_DEMOD_PARM,val);
msleep(30);
wr(DIB3000MC_REG_ISI,DIB3000MC_ISI_DEFAULT|DIB3000MC_ISI_ACTIVATE);
dib3000mc_set_adp_cfg(state,ofdm->constellation);
wr_foreach(dib3000mc_reg_offset,
dib3000mc_offset[(ofdm->transmission_mode == TRANSMISSION_MODE_8K)+1]);
}
return 0;
}
static int dib3000mc_fe_init(struct dvb_frontend* fe, int mobile_mode)
{
struct dib3000_state *state = fe->demodulator_priv;
deb_info("init start\n");
state->timing_offset = 0;
state->timing_offset_comp_done = 0;
wr(DIB3000MC_REG_RESTART,DIB3000MC_RESTART_CONFIG);
wr(DIB3000MC_REG_RESTART,DIB3000MC_RESTART_OFF);
wr(DIB3000MC_REG_CLK_CFG_1,DIB3000MC_CLK_CFG_1_POWER_UP);
wr(DIB3000MC_REG_CLK_CFG_2,DIB3000MC_CLK_CFG_2_PUP_MOBILE);
wr(DIB3000MC_REG_CLK_CFG_3,DIB3000MC_CLK_CFG_3_POWER_UP);
wr(DIB3000MC_REG_CLK_CFG_7,DIB3000MC_CLK_CFG_7_INIT);
wr(DIB3000MC_REG_RST_UNC,DIB3000MC_RST_UNC_OFF);
wr(DIB3000MC_REG_UNK_19,DIB3000MC_UNK_19);
wr(33,5);
wr(36,81);
wr(DIB3000MC_REG_UNK_88,DIB3000MC_UNK_88);
wr(DIB3000MC_REG_UNK_99,DIB3000MC_UNK_99);
wr(DIB3000MC_REG_UNK_111,DIB3000MC_UNK_111_PH_N_MODE_0); /* phase noise algo off */
/* mobile mode - portable reception */
wr_foreach(dib3000mc_reg_mobile_mode,dib3000mc_mobile_mode[1]);
/* TUNER_PANASONIC_ENV57H12D5: */
wr_foreach(dib3000mc_reg_agc_bandwidth,dib3000mc_agc_bandwidth);
wr_foreach(dib3000mc_reg_agc_bandwidth_general,dib3000mc_agc_bandwidth_general);
wr_foreach(dib3000mc_reg_agc,dib3000mc_agc_tuner[1]);
wr(DIB3000MC_REG_UNK_110,DIB3000MC_UNK_110);
wr(26,0x6680);
wr(DIB3000MC_REG_UNK_1,DIB3000MC_UNK_1);
wr(DIB3000MC_REG_UNK_2,DIB3000MC_UNK_2);
wr(DIB3000MC_REG_UNK_3,DIB3000MC_UNK_3);
wr(DIB3000MC_REG_SEQ_TPS,DIB3000MC_SEQ_TPS_DEFAULT);
wr_foreach(dib3000mc_reg_bandwidth,dib3000mc_bandwidth_8mhz);
wr_foreach(dib3000mc_reg_bandwidth_general,dib3000mc_bandwidth_general);
wr(DIB3000MC_REG_UNK_4,DIB3000MC_UNK_4);
wr(DIB3000MC_REG_SET_DDS_FREQ_MSB,DIB3000MC_DDS_FREQ_MSB_INV_OFF);
wr(DIB3000MC_REG_SET_DDS_FREQ_LSB,DIB3000MC_DDS_FREQ_LSB);
dib3000mc_set_timing(state,0,TRANSMISSION_MODE_8K,BANDWIDTH_8_MHZ);
// wr_foreach(dib3000mc_reg_timing_freq,dib3000mc_timing_freq[3]);
wr(DIB3000MC_REG_UNK_120,DIB3000MC_UNK_120);
wr(DIB3000MC_REG_UNK_134,DIB3000MC_UNK_134);
wr(DIB3000MC_REG_FEC_CFG,DIB3000MC_FEC_CFG);
wr(DIB3000MC_REG_DIVERSITY3,DIB3000MC_DIVERSITY3_IN_OFF);
dib3000mc_set_impulse_noise(state,0,TRANSMISSION_MODE_8K,BANDWIDTH_8_MHZ);
/* output mode control, just the MPEG2_SLAVE */
// set_or(DIB3000MC_REG_OUTMODE,DIB3000MC_OM_SLAVE);
wr(DIB3000MC_REG_OUTMODE,DIB3000MC_OM_SLAVE);
wr(DIB3000MC_REG_SMO_MODE,DIB3000MC_SMO_MODE_SLAVE);
wr(DIB3000MC_REG_FIFO_THRESHOLD,DIB3000MC_FIFO_THRESHOLD_SLAVE);
wr(DIB3000MC_REG_ELEC_OUT,DIB3000MC_ELEC_OUT_SLAVE);
/* MPEG2_PARALLEL_CONTINUOUS_CLOCK
wr(DIB3000MC_REG_OUTMODE,
DIB3000MC_SET_OUTMODE(DIB3000MC_OM_PAR_CONT_CLK,
rd(DIB3000MC_REG_OUTMODE)));
wr(DIB3000MC_REG_SMO_MODE,
DIB3000MC_SMO_MODE_DEFAULT |
DIB3000MC_SMO_MODE_188);
wr(DIB3000MC_REG_FIFO_THRESHOLD,DIB3000MC_FIFO_THRESHOLD_DEFAULT);
wr(DIB3000MC_REG_ELEC_OUT,DIB3000MC_ELEC_OUT_DIV_OUT_ON);
*/
/* diversity */
wr(DIB3000MC_REG_DIVERSITY1,DIB3000MC_DIVERSITY1_DEFAULT);
wr(DIB3000MC_REG_DIVERSITY2,DIB3000MC_DIVERSITY2_DEFAULT);
set_and(DIB3000MC_REG_DIVERSITY3,DIB3000MC_DIVERSITY3_IN_OFF);
set_or(DIB3000MC_REG_CLK_CFG_7,DIB3000MC_CLK_CFG_7_DIV_IN_OFF);
if (state->config.pll_init)
state->config.pll_init(fe);
deb_info("init end\n");
return 0;
}
static int dib3000mc_read_status(struct dvb_frontend* fe, fe_status_t *stat)
{
struct dib3000_state* state = fe->demodulator_priv;
u16 lock = rd(DIB3000MC_REG_LOCKING);
*stat = 0;
if (DIB3000MC_AGC_LOCK(lock))
*stat |= FE_HAS_SIGNAL;
if (DIB3000MC_CARRIER_LOCK(lock))
*stat |= FE_HAS_CARRIER;
if (DIB3000MC_TPS_LOCK(lock))
*stat |= FE_HAS_VITERBI;
if (DIB3000MC_MPEG_SYNC_LOCK(lock))
*stat |= (FE_HAS_SYNC | FE_HAS_LOCK);
deb_stat("actual status is %2x fifo_level: %x,244: %x, 206: %x, 207: %x, 1040: %x\n",*stat,rd(510),rd(244),rd(206),rd(207),rd(1040));
return 0;
}
static int dib3000mc_read_ber(struct dvb_frontend* fe, u32 *ber)
{
struct dib3000_state* state = fe->demodulator_priv;
*ber = ((rd(DIB3000MC_REG_BER_MSB) << 16) | rd(DIB3000MC_REG_BER_LSB));
return 0;
}
static int dib3000mc_read_unc_blocks(struct dvb_frontend* fe, u32 *unc)
{
struct dib3000_state* state = fe->demodulator_priv;
*unc = rd(DIB3000MC_REG_PACKET_ERRORS);
return 0;
}
/* see dib3000mb.c for calculation comments */
static int dib3000mc_read_signal_strength(struct dvb_frontend* fe, u16 *strength)
{
struct dib3000_state* state = fe->demodulator_priv;
u16 val = rd(DIB3000MC_REG_SIGNAL_NOISE_LSB);
*strength = (((val >> 6) & 0xff) << 8) + (val & 0x3f);
deb_stat("signal: mantisse = %d, exponent = %d\n",(*strength >> 8) & 0xff, *strength & 0xff);
return 0;
}
/* see dib3000mb.c for calculation comments */
static int dib3000mc_read_snr(struct dvb_frontend* fe, u16 *snr)
{
struct dib3000_state* state = fe->demodulator_priv;
u16 val = rd(DIB3000MC_REG_SIGNAL_NOISE_LSB),
val2 = rd(DIB3000MC_REG_SIGNAL_NOISE_MSB);
u16 sig,noise;
sig = (((val >> 6) & 0xff) << 8) + (val & 0x3f);
noise = (((val >> 4) & 0xff) << 8) + ((val & 0xf) << 2) + ((val2 >> 14) & 0x3);
if (noise == 0)
*snr = 0xffff;
else
*snr = (u16) sig/noise;
deb_stat("signal: mantisse = %d, exponent = %d\n",(sig >> 8) & 0xff, sig & 0xff);
deb_stat("noise: mantisse = %d, exponent = %d\n",(noise >> 8) & 0xff, noise & 0xff);
deb_stat("snr: %d\n",*snr);
return 0;
}
static int dib3000mc_sleep(struct dvb_frontend* fe)
{
struct dib3000_state* state = fe->demodulator_priv;
set_or(DIB3000MC_REG_CLK_CFG_7,DIB3000MC_CLK_CFG_7_PWR_DOWN);
wr(DIB3000MC_REG_CLK_CFG_1,DIB3000MC_CLK_CFG_1_POWER_DOWN);
wr(DIB3000MC_REG_CLK_CFG_2,DIB3000MC_CLK_CFG_2_POWER_DOWN);
wr(DIB3000MC_REG_CLK_CFG_3,DIB3000MC_CLK_CFG_3_POWER_DOWN);
return 0;
}
static int dib3000mc_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune)
{
tune->min_delay_ms = 1000;
return 0;
}
static int dib3000mc_fe_init_nonmobile(struct dvb_frontend* fe)
{
return dib3000mc_fe_init(fe, 0);
}
static int dib3000mc_set_frontend_and_tuner(struct dvb_frontend* fe, struct dvb_frontend_parameters *fep)
{
return dib3000mc_set_frontend(fe, fep, 1);
}
static void dib3000mc_release(struct dvb_frontend* fe)
{
struct dib3000_state *state = fe->demodulator_priv;
kfree(state);
}
/* pid filter and transfer stuff */
static int dib3000mc_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+DIB3000MC_REG_FIRST_PID,pid);
return 0;
}
static int dib3000mc_fifo_control(struct dvb_frontend *fe, int onoff)
{
struct dib3000_state *state = fe->demodulator_priv;
u16 tmp = rd(DIB3000MC_REG_SMO_MODE);
deb_xfer("%s fifo\n",onoff ? "enabling" : "disabling");
if (onoff) {
deb_xfer("%d %x\n",tmp & DIB3000MC_SMO_MODE_FIFO_UNFLUSH,tmp & DIB3000MC_SMO_MODE_FIFO_UNFLUSH);
wr(DIB3000MC_REG_SMO_MODE,tmp & DIB3000MC_SMO_MODE_FIFO_UNFLUSH);
} else {
deb_xfer("%d %x\n",tmp | DIB3000MC_SMO_MODE_FIFO_FLUSH,tmp | DIB3000MC_SMO_MODE_FIFO_FLUSH);
wr(DIB3000MC_REG_SMO_MODE,tmp | DIB3000MC_SMO_MODE_FIFO_FLUSH);
}
return 0;
}
static int dib3000mc_pid_parse(struct dvb_frontend *fe, int onoff)
{
struct dib3000_state *state = fe->demodulator_priv;
u16 tmp = rd(DIB3000MC_REG_SMO_MODE);
deb_xfer("%s pid parsing\n",onoff ? "enabling" : "disabling");
if (onoff) {
wr(DIB3000MC_REG_SMO_MODE,tmp | DIB3000MC_SMO_MODE_PID_PARSE);
} else {
wr(DIB3000MC_REG_SMO_MODE,tmp & DIB3000MC_SMO_MODE_NO_PID_PARSE);
}
return 0;
}
static int dib3000mc_tuner_pass_ctrl(struct dvb_frontend *fe, int onoff, u8 pll_addr)
{
struct dib3000_state *state = fe->demodulator_priv;
if (onoff) {
wr(DIB3000MC_REG_TUNER, DIB3000_TUNER_WRITE_ENABLE(pll_addr));
} else {
wr(DIB3000MC_REG_TUNER, DIB3000_TUNER_WRITE_DISABLE(pll_addr));
}
return 0;
}
static int dib3000mc_demod_init(struct dib3000_state *state)
{
u16 default_addr = 0x0a;
/* first init */
if (state->config.demod_address != default_addr) {
deb_info("initializing the demod the first time. Setting demod addr to 0x%x\n",default_addr);
wr(DIB3000MC_REG_ELEC_OUT,DIB3000MC_ELEC_OUT_DIV_OUT_ON);
wr(DIB3000MC_REG_OUTMODE,DIB3000MC_OM_PAR_CONT_CLK);
wr(DIB3000MC_REG_RST_I2C_ADDR,
DIB3000MC_DEMOD_ADDR(default_addr) |
DIB3000MC_DEMOD_ADDR_ON);
state->config.demod_address = default_addr;
wr(DIB3000MC_REG_RST_I2C_ADDR,
DIB3000MC_DEMOD_ADDR(default_addr));
} else
deb_info("demod is already initialized. Demod addr: 0x%x\n",state->config.demod_address);
return 0;
}
static struct dvb_frontend_ops dib3000mc_ops;
struct dvb_frontend* dib3000mc_attach(const struct dib3000_config* config,
struct i2c_adapter* i2c, struct dib_fe_xfer_ops *xfer_ops)
{
struct dib3000_state* state = NULL;
u16 devid;
/* allocate memory for the internal state */
state = kmalloc(sizeof(struct dib3000_state), GFP_KERNEL);
if (state == NULL)
goto error;
memset(state,0,sizeof(struct dib3000_state));
/* setup the state */
state->i2c = i2c;
memcpy(&state->config,config,sizeof(struct dib3000_config));
memcpy(&state->ops, &dib3000mc_ops, sizeof(struct dvb_frontend_ops));
/* check for the correct demod */
if (rd(DIB3000_REG_MANUFACTOR_ID) != DIB3000_I2C_ID_DIBCOM)
goto error;
devid = rd(DIB3000_REG_DEVICE_ID);
if (devid != DIB3000MC_DEVICE_ID && devid != DIB3000P_DEVICE_ID)
goto error;
switch (devid) {
case DIB3000MC_DEVICE_ID:
info("Found a DiBcom 3000M-C, interesting...");
break;
case DIB3000P_DEVICE_ID:
info("Found a DiBcom 3000P.");
break;
}
/* create dvb_frontend */
state->frontend.ops = &state->ops;
state->frontend.demodulator_priv = state;
/* set the xfer operations */
xfer_ops->pid_parse = dib3000mc_pid_parse;
xfer_ops->fifo_ctrl = dib3000mc_fifo_control;
xfer_ops->pid_ctrl = dib3000mc_pid_control;
xfer_ops->tuner_pass_ctrl = dib3000mc_tuner_pass_ctrl;
dib3000mc_demod_init(state);
return &state->frontend;
error:
kfree(state);
return NULL;
}
static struct dvb_frontend_ops dib3000mc_ops = {
.info = {
.name = "DiBcom 3000P/M-C 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 = dib3000mc_release,
.init = dib3000mc_fe_init_nonmobile,
.sleep = dib3000mc_sleep,
.set_frontend = dib3000mc_set_frontend_and_tuner,
.get_frontend = dib3000mc_get_frontend,
.get_tune_settings = dib3000mc_fe_get_tune_settings,
.read_status = dib3000mc_read_status,
.read_ber = dib3000mc_read_ber,
.read_signal_strength = dib3000mc_read_signal_strength,
.read_snr = dib3000mc_read_snr,
.read_ucblocks = dib3000mc_read_unc_blocks,
};
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
EXPORT_SYMBOL(dib3000mc_attach);
Reference in New Issue View Git Blame Copy Permalink