diff options
Diffstat (limited to 'drivers/media/dvb/frontends/dib3000mc.c')
| -rw-r--r-- | drivers/media/dvb/frontends/dib3000mc.c | 919 |
1 files changed, 0 insertions, 919 deletions
diff --git a/drivers/media/dvb/frontends/dib3000mc.c b/drivers/media/dvb/frontends/dib3000mc.c deleted file mode 100644 index c024fad1733..00000000000 --- a/drivers/media/dvb/frontends/dib3000mc.c +++ /dev/null @@ -1,919 +0,0 @@ -/* - * 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); |