diff options
Diffstat (limited to 'drivers/media/dvb/frontends/dib3000mc.c')
| -rw-r--r-- | drivers/media/dvb/frontends/dib3000mc.c | 1432 |
1 files changed, 720 insertions, 712 deletions
diff --git a/drivers/media/dvb/frontends/dib3000mc.c b/drivers/media/dvb/frontends/dib3000mc.c index 98673474..cc28417 100644 --- a/drivers/media/dvb/frontends/dib3000mc.c +++ b/drivers/media/dvb/frontends/dib3000mc.c @@ -1,913 +1,921 @@ /* - * Frontend driver for mobile DVB-T demodulator DiBcom 3000P/M-C - * DiBcom (http://www.dibcom.fr/) + * Driver for DiBcom DiB3000MC/P-demodulator. * + * Copyright (C) 2004-6 DiBcom (http://www.dibcom.fr/) * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de) * - * based on GPL code from DiBCom, which has + * This code is partially based on the previous dib3000mc.c . * - * Copyright (C) 2004 Amaury Demol for DiBcom (ademol@dibcom.fr) - * - * This program is free software; you can redistribute it and/or + * 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/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 +#include <linux/i2c.h> +//#include <linux/init.h> +//#include <linux/delay.h> +//#include <linux/string.h> +//#include <linux/slab.h> + +#include "dvb_frontend.h" + +#include "dib3000mc.h" + 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; - } +MODULE_PARM_DESC(debug, "turn on debugging (default: 0)"); - 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; +#define dprintk(args...) do { if (debug) { printk(KERN_DEBUG "DiB3000MC/P:"); printk(args); } } while (0) + +struct dib3000mc_state { + struct dvb_frontend demod; + struct dib3000mc_config *cfg; + + u8 i2c_addr; + struct i2c_adapter *i2c_adap; + + struct dibx000_i2c_master i2c_master; + + fe_bandwidth_t current_bandwidth; + + u16 dev_id; +}; + +static u16 dib3000mc_read_word(struct dib3000mc_state *state, u16 reg) +{ + u8 wb[2] = { (reg >> 8) | 0x80, reg & 0xff }; + u8 rb[2]; + struct i2c_msg msg[2] = { + { .addr = state->i2c_addr >> 1, .flags = 0, .buf = wb, .len = 2 }, + { .addr = state->i2c_addr >> 1, .flags = I2C_M_RD, .buf = rb, .len = 2 }, + }; + + if (i2c_transfer(state->i2c_adap, msg, 2) != 2) + dprintk("i2c read error on %d\n",reg); + + return (rb[0] << 8) | rb[1]; +} + +static int dib3000mc_write_word(struct dib3000mc_state *state, u16 reg, u16 val) +{ + u8 b[4] = { + (reg >> 8) & 0xff, reg & 0xff, + (val >> 8) & 0xff, val & 0xff, + }; + struct i2c_msg msg = { + .addr = state->i2c_addr >> 1, .flags = 0, .buf = b, .len = 4 + }; + return i2c_transfer(state->i2c_adap, &msg, 1) != 1 ? -EREMOTEIO : 0; +} + + +static int dib3000mc_identify(struct dib3000mc_state *state) +{ + u16 value; + if ((value = dib3000mc_read_word(state, 1025)) != 0x01b3) { + dprintk("-E- DiB3000MC/P: wrong Vendor ID (read=0x%x)\n",value); + return -EREMOTEIO; } - 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; + value = dib3000mc_read_word(state, 1026); + if (value != 0x3001 && value != 0x3002) { + dprintk("-E- DiB3000MC/P: wrong Device ID (%x)\n",value); + return -EREMOTEIO; } + state->dev_id = value; + + dprintk("-I- found DiB3000MC/P: %x\n",state->dev_id); + return 0; } -static int dib3000mc_set_timing(struct dib3000_state *state, int upd_offset, - fe_transmit_mode_t fft, fe_bandwidth_t bw) +static int dib3000mc_set_timing(struct dib3000mc_state *state, s16 nfft, u8 bw, u8 update_offset) { - 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); +/* + u32 timf_msb, timf_lsb, i; + int tim_sgn ; + LUInt comp1, comp2, comp ; +// u32 tim_offset ; + comp = 27700 * BW_INDEX_TO_KHZ(bw) / 1000; + timf_msb = (comp >> 16) & 0x00FF; + timf_lsb = comp & 0xFFFF; // Update the timing offset ; - if (upd_offset > 0) { - if (!state->timing_offset_comp_done) { - msleep(200); + if (update_offset) { + if (state->timing_offset_comp_done == 0) { + usleep(200000); state->timing_offset_comp_done = 1; } - tim_offset = rd(DIB3000MC_REG_TIMING_OFFS_MSB); + tim_offset = dib3000mc_read_word(state, 416); if ((tim_offset & 0x2000) == 0x2000) - tim_offset |= 0xC000; - if (fft == TRANSMISSION_MODE_2K) - tim_offset <<= 2; + tim_offset |= 0xC000; // PB: This only works if tim_offset is s16 - weird + + if (nfft == 0) + tim_offset = tim_offset << 2; // PB: Do not store the offset for different things in one variable 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 ; + comp1 = tim_offset * timf_lsb; + comp2 = tim_offset * timf_msb; comp = ((comp1 >> 16) + comp2) >> 7; if (tim_sgn == 0) - comp = (u32)(timf_msb << 16) + (u32) timf_lsb + comp; + comp = timf_msb * (1<<16) + timf_lsb + comp; else - comp = (u32)(timf_msb << 16) + (u32) timf_lsb - comp ; + comp = timf_msb * (1<<16) + timf_lsb - comp; + + timf_msb = (comp>>16)&0xFF ; + timf_lsb = comp&0xFFFF; +*/ + u32 timf = 1384402 * (BW_INDEX_TO_KHZ(bw) / 1000); - timf_msb = (comp >> 16) & 0xff; - timf_lsb = comp & 0xffff; + dib3000mc_write_word(state, 23, timf >> 16); + dib3000mc_write_word(state, 24, timf & 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) +static int dib3000mc_setup_pwm3_state(struct dib3000mc_state *state) { - if (boost) { - wr(DIB3000MC_REG_SCAN_BOOST,DIB3000MC_SCAN_BOOST_ON); + if (state->cfg->pwm3_inversion) { + dib3000mc_write_word(state, 51, (2 << 14) | (0 << 10) | (7 << 6) | (2 << 2) | (2 << 0)); + dib3000mc_write_word(state, 52, (0 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (1 << 2) | (2 << 0)); } 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); + dib3000mc_write_word(state, 51, (2 << 14) | (4 << 10) | (7 << 6) | (2 << 2) | (2 << 0)); + dib3000mc_write_word(state, 52, (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0)); } + + if (state->cfg->use_pwm3) + dib3000mc_write_word(state, 245, (1 << 3) | (1 << 0)); + else + dib3000mc_write_word(state, 245, 0); + + dib3000mc_write_word(state, 1040, 0x3); return 0; } -static int dib3000mc_set_adp_cfg(struct dib3000_state *state, fe_modulation_t con) +static int dib3000mc_set_output_mode(struct dib3000mc_state *state, int mode) { - 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: + int ret = 0; + u16 fifo_threshold = 1792; + u16 outreg = 0; + u16 outmode = 0; + u16 elecout = 1; + u16 smo_reg = dib3000mc_read_word(state, 206) & 0x0010; /* keep the pid_parse bit */ + + dprintk("-I- Setting output mode for demod %p to %d\n", + &state->demod, mode); + + switch (mode) { + case OUTMODE_HIGH_Z: // disable + elecout = 0; + break; + case OUTMODE_MPEG2_PAR_GATED_CLK: // STBs with parallel gated clock + outmode = 0; + break; + case OUTMODE_MPEG2_PAR_CONT_CLK: // STBs with parallel continues clock + outmode = 1; + break; + case OUTMODE_MPEG2_SERIAL: // STBs with serial input + outmode = 2; + break; + case OUTMODE_MPEG2_FIFO: // e.g. USB feeding + elecout = 3; + /*ADDR @ 206 : + P_smo_error_discard [1;6:6] = 0 + P_smo_rs_discard [1;5:5] = 0 + P_smo_pid_parse [1;4:4] = 0 + P_smo_fifo_flush [1;3:3] = 0 + P_smo_mode [2;2:1] = 11 + P_smo_ovf_prot [1;0:0] = 0 + */ + smo_reg |= 3 << 1; + fifo_threshold = 512; + outmode = 5; + break; + case OUTMODE_DIVERSITY: + outmode = 4; + elecout = 1; break; default: - warn("unkown constellation."); + dprintk("Unhandled output_mode passed to be set for demod %p\n",&state->demod); + outmode = 0; break; } - return 0; + + if ((state->cfg->output_mpeg2_in_188_bytes)) + smo_reg |= (1 << 5); // P_smo_rs_discard [1;5:5] = 1 + + outreg = dib3000mc_read_word(state, 244) & 0x07FF; + outreg |= (outmode << 11); + ret |= dib3000mc_write_word(state, 244, outreg); + ret |= dib3000mc_write_word(state, 206, smo_reg); /*smo_ mode*/ + ret |= dib3000mc_write_word(state, 207, fifo_threshold); /* synchronous fread */ + ret |= dib3000mc_write_word(state, 1040, elecout); /* P_out_cfg */ + return ret; } -static int dib3000mc_set_general_cfg(struct dib3000_state *state, struct dvb_frontend_parameters *fep, int *auto_val) +static int dib3000mc_set_bandwidth(struct dvb_frontend *demod, u8 bw) { - 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; + struct dib3000mc_state *state = demod->demodulator_priv; + u16 bw_cfg[6] = { 0 }; + u16 imp_bw_cfg[3] = { 0 }; + u16 reg; - 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; - } +/* settings here are for 27.7MHz */ + switch (bw) { + case BANDWIDTH_8_MHZ: + bw_cfg[0] = 0x0019; bw_cfg[1] = 0x5c30; bw_cfg[2] = 0x0054; bw_cfg[3] = 0x88a0; bw_cfg[4] = 0x01a6; bw_cfg[5] = 0xab20; + imp_bw_cfg[0] = 0x04db; imp_bw_cfg[1] = 0x00db; imp_bw_cfg[2] = 0x00b7; + break; - wr(DIB3000MC_REG_DEMOD_PARM,DIB3000MC_DEMOD_PARM(alpha,qam,guard,fft)); - wr(DIB3000MC_REG_HRCH_PARM,DIB3000MC_HRCH_PARM(sel_hp,cr,hrch)); + case BANDWIDTH_7_MHZ: + bw_cfg[0] = 0x001c; bw_cfg[1] = 0xfba5; bw_cfg[2] = 0x0060; bw_cfg[3] = 0x9c25; bw_cfg[4] = 0x01e3; bw_cfg[5] = 0x0cb7; + imp_bw_cfg[0] = 0x04c0; imp_bw_cfg[1] = 0x00c0; imp_bw_cfg[2] = 0x00a0; + break; - switch (fep->inversion) { - case INVERSION_OFF: - wr(DIB3000MC_REG_SET_DDS_FREQ_MSB,DIB3000MC_DDS_FREQ_MSB_INV_OFF); + case BANDWIDTH_6_MHZ: + bw_cfg[0] = 0x0021; bw_cfg[1] = 0xd040; bw_cfg[2] = 0x0070; bw_cfg[3] = 0xb62b; bw_cfg[4] = 0x0233; bw_cfg[5] = 0x8ed5; + imp_bw_cfg[0] = 0x04a5; imp_bw_cfg[1] = 0x00a5; imp_bw_cfg[2] = 0x0089; break; - case INVERSION_AUTO: /* fall through */ - case INVERSION_ON: - wr(DIB3000MC_REG_SET_DDS_FREQ_MSB,DIB3000MC_DDS_FREQ_MSB_INV_ON); + + case 255 /* BANDWIDTH_5_MHZ */: + bw_cfg[0] = 0x0028; bw_cfg[1] = 0x9380; bw_cfg[2] = 0x0087; bw_cfg[3] = 0x4100; bw_cfg[4] = 0x02a4; bw_cfg[5] = 0x4500; + imp_bw_cfg[0] = 0x0489; imp_bw_cfg[1] = 0x0089; imp_bw_cfg[2] = 0x0072; break; - default: - return -EINVAL; + + 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; -} + for (reg = 6; reg < 12; reg++) + dib3000mc_write_word(state, reg, bw_cfg[reg - 6]); + dib3000mc_write_word(state, 12, 0x0000); + dib3000mc_write_word(state, 13, 0x03e8); + dib3000mc_write_word(state, 14, 0x0000); + dib3000mc_write_word(state, 15, 0x03f2); + dib3000mc_write_word(state, 16, 0x0001); + dib3000mc_write_word(state, 17, 0xb0d0); + // P_sec_len + dib3000mc_write_word(state, 18, 0x0393); + dib3000mc_write_word(state, 19, 0x8700); -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; + for (reg = 55; reg < 58; reg++) + dib3000mc_write_word(state, reg, imp_bw_cfg[reg - 55]); - fep->inversion = - ((inv_test2 == 2) && (inv_test1==1 || inv_test1==0)) || - ((inv_test2 == 0) && (inv_test1==1 || inv_test1==2)) ? - INVERSION_ON : INVERSION_OFF; + // Timing configuration + dib3000mc_set_timing(state, 0, bw, 0); - deb_getf("inversion %d %d, %d\n", inv_test2, inv_test1, fep->inversion); + return 0; +} - fep->frequency = state->last_tuned_freq; - fep->u.ofdm.bandwidth= state->last_tuned_bw; +static u16 impulse_noise_val[29] = - tps_val = rd(DIB3000MC_REG_TUNING_PARM); +{ + 0x38, 0x6d9, 0x3f28, 0x7a7, 0x3a74, 0x196, 0x32a, 0x48c, 0x3ffe, 0x7f3, + 0x2d94, 0x76, 0x53d, 0x3ff8, 0x7e3, 0x3320, 0x76, 0x5b3, 0x3feb, 0x7d2, + 0x365e, 0x76, 0x48c, 0x3ffe, 0x5b3, 0x3feb, 0x76, 0x0000, 0xd +}; - 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; +static void dib3000mc_set_impulse_noise(struct dib3000mc_state *state, u8 mode, s16 nfft) +{ + u16 i; + for (i = 58; i < 87; i++) + dib3000mc_write_word(state, i, impulse_noise_val[i-58]); + + if (nfft == 1) { + dib3000mc_write_word(state, 58, 0x3b); + dib3000mc_write_word(state, 84, 0x00); + dib3000mc_write_word(state, 85, 0x8200); } - 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); + dib3000mc_write_word(state, 34, 0x1294); + dib3000mc_write_word(state, 35, 0x1ff8); + if (mode == 1) + dib3000mc_write_word(state, 55, dib3000mc_read_word(state, 55) | (1 << 10)); +} + +static int dib3000mc_init(struct dvb_frontend *demod) +{ + struct dib3000mc_state *state = demod->demodulator_priv; + struct dibx000_agc_config *agc = state->cfg->agc; + + // Restart Configuration + dib3000mc_write_word(state, 1027, 0x8000); + dib3000mc_write_word(state, 1027, 0x0000); + + // power up the demod + mobility configuration + dib3000mc_write_word(state, 140, 0x0000); + dib3000mc_write_word(state, 1031, 0); + + if (state->cfg->mobile_mode) { + dib3000mc_write_word(state, 139, 0x0000); + dib3000mc_write_word(state, 141, 0x0000); + dib3000mc_write_word(state, 175, 0x0002); + dib3000mc_write_word(state, 1032, 0x0000); } 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); + dib3000mc_write_word(state, 139, 0x0001); + dib3000mc_write_word(state, 141, 0x0000); + dib3000mc_write_word(state, 175, 0x0000); + dib3000mc_write_word(state, 1032, 0x012C); } + dib3000mc_write_word(state, 1033, 0); - 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; - } + // P_clk_cfg + dib3000mc_write_word(state, 1037, 12592); - 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; - } + // other configurations - 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"); + // P_ctrl_sfreq + dib3000mc_write_word(state, 33, (5 << 0)); + dib3000mc_write_word(state, 88, (1 << 10) | (0x10 << 0)); + + // Phase noise control + // P_fft_phacor_inh, P_fft_phacor_cpe, P_fft_powrange + dib3000mc_write_word(state, 99, (1 << 9) | (0x20 << 0)); + + if (state->cfg->phase_noise_mode == 0) + dib3000mc_write_word(state, 111, 0x00); + else + dib3000mc_write_word(state, 111, 0x02); + + // P_agc_global + dib3000mc_write_word(state, 50, 0x8000); + + // agc setup misc + dib3000mc_setup_pwm3_state(state); + + // P_agc_counter_lock + dib3000mc_write_word(state, 53, 0x87); + // P_agc_counter_unlock + dib3000mc_write_word(state, 54, 0x87); + + /* agc */ + dib3000mc_write_word(state, 36, state->cfg->max_time); + dib3000mc_write_word(state, 37, agc->setup); + dib3000mc_write_word(state, 38, state->cfg->pwm3_value); + dib3000mc_write_word(state, 39, state->cfg->ln_adc_level); + + // set_agc_loop_Bw + dib3000mc_write_word(state, 40, 0x0179); + dib3000mc_write_word(state, 41, 0x03f0); + + dib3000mc_write_word(state, 42, agc->agc1_max); + dib3000mc_write_word(state, 43, agc->agc1_min); + dib3000mc_write_word(state, 44, agc->agc2_max); + dib3000mc_write_word(state, 45, agc->agc2_min); + dib3000mc_write_word(state, 46, (agc->agc1_pt1 << 8) | agc->agc1_pt2); + dib3000mc_write_word(state, 47, (agc->agc1_slope1 << 8) | agc->agc1_slope2); + dib3000mc_write_word(state, 48, (agc->agc2_pt1 << 8) | agc->agc2_pt2); + dib3000mc_write_word(state, 49, (agc->agc2_slope1 << 8) | agc->agc2_slope2); + +// Begin: TimeOut registers + // P_pha3_thres + dib3000mc_write_word(state, 110, 3277); + // P_timf_alpha = 6, P_corm_alpha = 6, P_corm_thres = 0x80 + dib3000mc_write_word(state, 26, 0x6680); + // lock_mask0 + dib3000mc_write_word(state, 1, 4); + // lock_mask1 + dib3000mc_write_word(state, 2, 4); + // lock_mask2 + dib3000mc_write_word(state, 3, 0x1000); + // P_search_maxtrial=1 + dib3000mc_write_word(state, 5, 1); + + dib3000mc_set_bandwidth(&state->demod, BANDWIDTH_8_MHZ); + + // div_lock_mask + dib3000mc_write_word(state, 4, 0x814); + + dib3000mc_write_word(state, 21, (1 << 9) | 0x164); + dib3000mc_write_word(state, 22, 0x463d); + + // Spurious rm cfg + // P_cspu_regul, P_cspu_win_cut + dib3000mc_write_word(state, 120, 0x200f); + // P_adp_selec_monit + dib3000mc_write_word(state, 134, 0); + + // Fec cfg + dib3000mc_write_word(state, 195, 0x10); + + // diversity register: P_dvsy_sync_wait.. + dib3000mc_write_word(state, 180, 0x2FF0); + + // Impulse noise configuration + dib3000mc_set_impulse_noise(state, 0, 1); + + // output mode set-up + dib3000mc_set_output_mode(state, OUTMODE_HIGH_Z); + + /* close the i2c-gate */ + dib3000mc_write_word(state, 769, (1 << 7) ); return 0; } -static int dib3000mc_set_frontend(struct dvb_frontend* fe, - struct dvb_frontend_parameters *fep, int tuner) +static int dib3000mc_sleep(struct dvb_frontend *demod) { - struct dib3000_state* state = fe->demodulator_priv; - struct dvb_ofdm_parameters *ofdm = &fep->u.ofdm; - int search_state,auto_val; - u16 val; + struct dib3000mc_state *state = demod->demodulator_priv; - if (tuner && fe->ops.tuner_ops.set_params) { /* initial call from dvb */ - fe->ops.tuner_ops.set_params(fe, fep); - if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0); - - 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); + dib3000mc_write_word(state, 1037, dib3000mc_read_word(state, 1037) | 0x0003); + dib3000mc_write_word(state, 1031, 0xFFFF); + dib3000mc_write_word(state, 1032, 0xFFFF); + dib3000mc_write_word(state, 1033, 0xFFF4); // **** Bin2 - msleep(30); + return 0; +} - 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]); +static void dib3000mc_set_adp_cfg(struct dib3000mc_state *state, s16 qam) +{ + u16 cfg[4] = { 0 },reg; + switch (qam) { + case 0: + cfg[0] = 0x099a; cfg[1] = 0x7fae; cfg[2] = 0x0333; cfg[3] = 0x7ff0; + break; + case 1: + cfg[0] = 0x023d; cfg[1] = 0x7fdf; cfg[2] = 0x00a4; cfg[3] = 0x7ff0; + break; + case 2: + cfg[0] = 0x0148; cfg[1] = 0x7ff0; cfg[2] = 0x00a4; cfg[3] = 0x7ff8; + break; } - return 0; + for (reg = 129; reg < 133; reg++) + dib3000mc_write_word(state, reg, cfg[reg - 129]); } -static int dib3000mc_fe_init(struct dvb_frontend* fe, int mobile_mode) +static void dib3000mc_set_channel_cfg(struct dib3000mc_state *state, struct dibx000_ofdm_channel *chan, u16 seq) { - struct dib3000_state *state = fe->demodulator_priv; - deb_info("init start\n"); - - state->timing_offset = 0; - state->timing_offset_comp_done = 0; + u16 tmp; - 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); + dib3000mc_set_timing(state, chan->nfft, chan->Bw, 0); - wr(DIB3000MC_REG_RST_UNC,DIB3000MC_RST_UNC_OFF); - wr(DIB3000MC_REG_UNK_19,DIB3000MC_UNK_19); +// if (boost) +// dib3000mc_write_word(state, 100, (11 << 6) + 6); +// else + dib3000mc_write_word(state, 100, (16 << 6) + 9); - wr(33,5); - wr(36,81); - wr(DIB3000MC_REG_UNK_88,DIB3000MC_UNK_88); + dib3000mc_write_word(state, 1027, 0x0800); + dib3000mc_write_word(state, 1027, 0x0000); - wr(DIB3000MC_REG_UNK_99,DIB3000MC_UNK_99); - wr(DIB3000MC_REG_UNK_111,DIB3000MC_UNK_111_PH_N_MODE_0); /* phase noise algo off */ + //Default cfg isi offset adp + dib3000mc_write_word(state, 26, 0x6680); + dib3000mc_write_word(state, 29, 0x1273); + dib3000mc_write_word(state, 33, 5); + dib3000mc_set_adp_cfg(state, 1); + dib3000mc_write_word(state, 133, 15564); - /* mobile mode - portable reception */ - wr_foreach(dib3000mc_reg_mobile_mode,dib3000mc_mobile_mode[1]); + dib3000mc_write_word(state, 12 , 0x0); + dib3000mc_write_word(state, 13 , 0x3e8); + dib3000mc_write_word(state, 14 , 0x0); + dib3000mc_write_word(state, 15 , 0x3f2); -/* 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]); + dib3000mc_write_word(state, 93,0); + dib3000mc_write_word(state, 94,0); + dib3000mc_write_word(state, 95,0); + dib3000mc_write_word(state, 96,0); + dib3000mc_write_word(state, 97,0); + dib3000mc_write_word(state, 98,0); - 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); + dib3000mc_set_impulse_noise(state, 0, chan->nfft); - wr_foreach(dib3000mc_reg_bandwidth,dib3000mc_bandwidth_8mhz); - wr_foreach(dib3000mc_reg_bandwidth_general,dib3000mc_bandwidth_general); + tmp = ((chan->nfft & 0x1) << 7) | (chan->guard << 5) | (chan->nqam << 3) | chan->vit_alpha; + dib3000mc_write_word(state, 0, tmp); - wr(DIB3000MC_REG_UNK_4,DIB3000MC_UNK_4); + dib3000mc_write_word(state, 5, seq); - wr(DIB3000MC_REG_SET_DDS_FREQ_MSB,DIB3000MC_DDS_FREQ_MSB_INV_OFF); - wr(DIB3000MC_REG_SET_DDS_FREQ_LSB,DIB3000MC_DDS_FREQ_LSB); + tmp = (chan->vit_hrch << 4) | (chan->vit_select_hp); + if (!chan->vit_hrch || (chan->vit_hrch && chan->vit_select_hp)) + tmp |= chan->vit_code_rate_hp << 1; + else + tmp |= chan->vit_code_rate_lp << 1; + dib3000mc_write_word(state, 181, tmp); - dib3000mc_set_timing(state,0,TRANSMISSION_MODE_8K,BANDWIDTH_8_MHZ); -// wr_foreach(dib3000mc_reg_timing_freq,dib3000mc_timing_freq[3]); + // diversity synchro delay + tmp = dib3000mc_read_word(state, 180) & 0x000f; + tmp |= ((chan->nfft == 0) ? 64 : 256) * ((1 << (chan->guard)) * 3 / 2) << 4; // add 50% SFN margin + dib3000mc_write_word(state, 180, tmp); - wr(DIB3000MC_REG_UNK_120,DIB3000MC_UNK_120); - wr(DIB3000MC_REG_UNK_134,DIB3000MC_UNK_134); - wr(DIB3000MC_REG_FEC_CFG,DIB3000MC_FEC_CFG); + // restart demod + tmp = dib3000mc_read_word(state, 0); + dib3000mc_write_word(state, 0, tmp | (1 << 9)); + dib3000mc_write_word(state, 0, tmp); - wr(DIB3000MC_REG_DIVERSITY3,DIB3000MC_DIVERSITY3_IN_OFF); + msleep(30); - dib3000mc_set_impulse_noise(state,0,TRANSMISSION_MODE_8K,BANDWIDTH_8_MHZ); + dib3000mc_set_impulse_noise(state, state->cfg->impulse_noise_mode, chan->nfft); +} -/* 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); +static int dib3000mc_autosearch_start(struct dvb_frontend *demod, struct dibx000_ofdm_channel *chan) +{ + struct dib3000mc_state *state = demod->demodulator_priv; + u16 reg; +// u32 val; + struct dibx000_ofdm_channel fchan; -/* MPEG2_PARALLEL_CONTINUOUS_CLOCK - wr(DIB3000MC_REG_OUTMODE, - DIB3000MC_SET_OUTMODE(DIB3000MC_OM_PAR_CONT_CLK, - rd(DIB3000MC_REG_OUTMODE))); + INIT_OFDM_CHANNEL(&fchan); + fchan = *chan; - 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); -*/ + /* a channel for autosearch */ + reg = 0; + if (chan->nfft == -1 && chan->guard == -1) reg = 7; + if (chan->nfft == -1 && chan->guard != -1) reg = 2; + if (chan->nfft != -1 && chan->guard == -1) reg = 3; -/* diversity */ - wr(DIB3000MC_REG_DIVERSITY1,DIB3000MC_DIVERSITY1_DEFAULT); - wr(DIB3000MC_REG_DIVERSITY2,DIB3000MC_DIVERSITY2_DEFAULT); + fchan.nfft = 1; fchan.guard = 0; fchan.nqam = 2; + fchan.vit_alpha = 1; fchan.vit_code_rate_hp = 2; fchan.vit_code_rate_lp = 2; + fchan.vit_hrch = 0; fchan.vit_select_hp = 1; - set_and(DIB3000MC_REG_DIVERSITY3,DIB3000MC_DIVERSITY3_IN_OFF); + dib3000mc_set_channel_cfg(state, &fchan, reg); - set_or(DIB3000MC_REG_CLK_CFG_7,DIB3000MC_CLK_CFG_7_DIV_IN_OFF); + reg = dib3000mc_read_word(state, 0); + dib3000mc_write_word(state, 0, reg | (1 << 8)); + dib3000mc_write_word(state, 0, reg); - deb_info("init end\n"); return 0; } -static int dib3000mc_read_status(struct dvb_frontend* fe, fe_status_t *stat) + +static int dib3000mc_autosearch_is_irq(struct dvb_frontend *demod) { - struct dib3000_state* state = fe->demodulator_priv; - u16 lock = rd(DIB3000MC_REG_LOCKING); + struct dib3000mc_state *state = demod->demodulator_priv; + u16 irq_pending = dib3000mc_read_word(state, 511); - *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); + if (irq_pending & 0x1) // failed + return 1; - 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)); + if (irq_pending & 0x2) // succeeded + return 2; - return 0; + return 0; // still pending } -static int dib3000mc_read_ber(struct dvb_frontend* fe, u32 *ber) +static int dib3000mc_tune(struct dvb_frontend *demod, struct dibx000_ofdm_channel *ch) { - struct dib3000_state* state = fe->demodulator_priv; - *ber = ((rd(DIB3000MC_REG_BER_MSB) << 16) | rd(DIB3000MC_REG_BER_LSB)); + struct dib3000mc_state *state = demod->demodulator_priv; + + // ** configure demod ** + dib3000mc_set_channel_cfg(state, ch, 0); + + // activates isi + dib3000mc_write_word(state, 29, 0x1073); + + dib3000mc_set_adp_cfg(state, (u8)ch->nqam); + + if (ch->nfft == 1) { + dib3000mc_write_word(state, 26, 38528); + dib3000mc_write_word(state, 33, 8); + } else { + dib3000mc_write_word(state, 26, 30336); + dib3000mc_write_word(state, 33, 6); + } + + // if (lock) + // dib3000mc_set_timing(state, ch->nfft, ch->Bw, 1); + return 0; } -static int dib3000mc_read_unc_blocks(struct dvb_frontend* fe, u32 *unc) +static int dib3000mc_demod_output_mode(struct dvb_frontend *demod, int mode) { - struct dib3000_state* state = fe->demodulator_priv; - - *unc = rd(DIB3000MC_REG_PACKET_ERRORS); - return 0; + struct dib3000mc_state *state = demod->demodulator_priv; + return dib3000mc_set_output_mode(state, mode); } -/* see dib3000mb.c for calculation comments */ -static int dib3000mc_read_signal_strength(struct dvb_frontend* fe, u16 *strength) +static int dib3000mc_i2c_enumeration(struct dvb_frontend *demod[], int no_of_demods, u8 default_addr) { - struct dib3000_state* state = fe->demodulator_priv; - u16 val = rd(DIB3000MC_REG_SIGNAL_NOISE_LSB); - *strength = (((val >> 6) & 0xff) << 8) + (val & 0x3f); + struct dib3000mc_state *st; + int k,ret=0; + u8 new_addr; + + static u8 DIB3000MC_I2C_ADDRESS[] = {20,22,24,26}; + + for (k = no_of_demods-1; k >= 0; k--) { + st = demod[k]->demodulator_priv; + + /* designated i2c address */ + new_addr = DIB3000MC_I2C_ADDRESS[k]; + + st->i2c_addr = new_addr; + if (dib3000mc_identify(st) != 0) { + st->i2c_addr = default_addr; + if (dib3000mc_identify(st) != 0) { + dprintk("-E- DiB3000P/MC #%d: not identified\n", k); + return -EINVAL; + } + } + + /* turn on div_out */ + dib3000mc_demod_output_mode(demod[k], OUTMODE_MPEG2_PAR_CONT_CLK); + + // set new i2c address and force divstr (Bit 1) to value 0 (Bit 0) + ret |= dib3000mc_write_word(st, 1024, (new_addr << 3) | 0x1); + st->i2c_addr = new_addr; + } + + for (k = 0; k < no_of_demods; k++) { + st = demod[k]->demodulator_priv; + + ret |= dib3000mc_write_word(st, 1024, st->i2c_addr << 3); - deb_stat("signal: mantisse = %d, exponent = %d\n",(*strength >> 8) & 0xff, *strength & 0xff); + /* turn off data output */ + dib3000mc_demod_output_mode(demod[k],OUTMODE_HIGH_Z); + dib3000mc_write_word(st, 769, (1 << 7) ); + + } return 0; } -/* see dib3000mb.c for calculation comments */ -static int dib3000mc_read_snr(struct dvb_frontend* fe, u16 *snr) +struct i2c_adapter * dib3000mc_get_tuner_i2c_master(struct dvb_frontend *demod, int gating) { - 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; + struct dib3000mc_state *st = demod->demodulator_priv; + return dibx000_get_i2c_adapter(&st->i2c_master, DIBX000_I2C_INTERFACE_TUNER, gating); +} - 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; +EXPORT_SYMBOL(dib3000mc_get_tuner_i2c_master); + +static int dib3000mc_get_frontend(struct dvb_frontend* fe, + struct dvb_frontend_parameters *fep) +{ + struct dib3000mc_state *state = fe->demodulator_priv; + u16 tps = dib3000mc_read_word(state,458); + + fep->inversion = INVERSION_AUTO; + + fep->u.ofdm.bandwidth = state->current_bandwidth; + + switch ((tps >> 8) & 0x1) { + case 0: fep->u.ofdm.transmission_mode = TRANSMISSION_MODE_2K; break; + case 1: fep->u.ofdm.transmission_mode = TRANSMISSION_MODE_8K; break; + } + + switch (tps & 0x3) { + case 0: fep->u.ofdm.guard_interval = GUARD_INTERVAL_1_32; break; + case 1: fep->u.ofdm.guard_interval = GUARD_INTERVAL_1_16; break; + case 2: fep->u.ofdm.guard_interval = GUARD_INTERVAL_1_8; break; + case 3: fep->u.ofdm.guard_interval = GUARD_INTERVAL_1_4; break; + } + + switch ((tps >> 13) & 0x3) { + case 0: fep->u.ofdm.constellation = QPSK; break; + case 1: fep->u.ofdm.constellation = QAM_16; break; + case 2: + default: fep->u.ofdm.constellation = QAM_64; break; + } + + /* as long as the frontend_param structure is fixed for hierarchical transmission I refuse to use it */ + /* (tps >> 12) & 0x1 == hrch is used, (tps >> 9) & 0x7 == alpha */ + + fep->u.ofdm.hierarchy_information = HIERARCHY_NONE; + switch ((tps >> 5) & 0x7) { + case 1: fep->u.ofdm.code_rate_HP = FEC_1_2; break; + case 2: fep->u.ofdm.code_rate_HP = FEC_2_3; break; + case 3: fep->u.ofdm.code_rate_HP = FEC_3_4; break; + case 5: fep->u.ofdm.code_rate_HP = FEC_5_6; break; + case 7: + default: fep->u.ofdm.code_rate_HP = FEC_7_8; break; + + } + + switch ((tps >> 2) & 0x7) { + case 1: fep->u.ofdm.code_rate_LP = FEC_1_2; break; + case 2: fep->u.ofdm.code_rate_LP = FEC_2_3; break; + case 3: fep->u.ofdm.code_rate_LP = FEC_3_4; break; + case 5: fep->u.ofdm.code_rate_LP = FEC_5_6; break; + case 7: + default: fep->u.ofdm.code_rate_LP = FEC_7_8; break; + } - 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) +static int dib3000mc_set_frontend(struct dvb_frontend* fe, + struct dvb_frontend_parameters *fep) { - struct dib3000_state* state = fe->demodulator_priv; + struct dib3000mc_state *state = fe->demodulator_priv; + struct dibx000_ofdm_channel ch; - 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; + INIT_OFDM_CHANNEL(&ch); + FEP2DIB(fep,&ch); + + state->current_bandwidth = fep->u.ofdm.bandwidth; + dib3000mc_set_bandwidth(fe, fep->u.ofdm.bandwidth); + + if (fe->ops.tuner_ops.set_params) { + fe->ops.tuner_ops.set_params(fe, fep); + msleep(100); + } + + if (fep->u.ofdm.transmission_mode == TRANSMISSION_MODE_AUTO || + fep->u.ofdm.guard_interval == GUARD_INTERVAL_AUTO || + fep->u.ofdm.constellation == QAM_AUTO || + fep->u.ofdm.code_rate_HP == FEC_AUTO) { + int i = 100, found; + + dib3000mc_autosearch_start(fe, &ch); + do { + msleep(1); + found = dib3000mc_autosearch_is_irq(fe); + } while (found == 0 && i--); + + dprintk("autosearch returns: %d\n",found); + if (found == 0 || found == 1) + return 0; // no channel found + + dib3000mc_get_frontend(fe, fep); + FEP2DIB(fep,&ch); + } + + /* make this a config parameter */ + dib3000mc_set_output_mode(state, OUTMODE_MPEG2_FIFO); + + return dib3000mc_tune(fe, &ch); } -static int dib3000mc_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune) +static int dib3000mc_read_status(struct dvb_frontend *fe, fe_status_t *stat) { - tune->min_delay_ms = 1000; + struct dib3000mc_state *state = fe->demodulator_priv; + u16 lock = dib3000mc_read_word(state, 509); + + *stat = 0; + + if (lock & 0x8000) + *stat |= FE_HAS_SIGNAL; + if (lock & 0x3000) + *stat |= FE_HAS_CARRIER; + if (lock & 0x0100) + *stat |= FE_HAS_VITERBI; + if (lock & 0x0010) + *stat |= FE_HAS_SYNC; + if (lock & 0x0008) + *stat |= FE_HAS_LOCK; + return 0; } -static int dib3000mc_fe_init_nonmobile(struct dvb_frontend* fe) +static int dib3000mc_read_ber(struct dvb_frontend *fe, u32 *ber) { - return dib3000mc_fe_init(fe, 0); + struct dib3000mc_state *state = fe->demodulator_priv; + *ber = (dib3000mc_read_word(state, 500) << 16) | dib3000mc_read_word(state, 501); + return 0; } -static int dib3000mc_set_frontend_and_tuner(struct dvb_frontend* fe, struct dvb_frontend_parameters *fep) +static int dib3000mc_read_unc_blocks(struct dvb_frontend *fe, u32 *unc) { - return dib3000mc_set_frontend(fe, fep, 1); + struct dib3000mc_state *state = fe->demodulator_priv; + *unc = dib3000mc_read_word(state, 508); + return 0; } -static void dib3000mc_release(struct dvb_frontend* fe) +static int dib3000mc_read_signal_strength(struct dvb_frontend *fe, u16 *strength) { - struct dib3000_state *state = fe->demodulator_priv; - kfree(state); + struct dib3000mc_state *state = fe->demodulator_priv; + u16 val = dib3000mc_read_word(state, 392); + *strength = 65535 - val; + return 0; } -/* pid filter and transfer stuff */ -static int dib3000mc_pid_control(struct dvb_frontend *fe,int index, int pid,int onoff) +static int dib3000mc_read_snr(struct dvb_frontend* fe, u16 *snr) { - struct dib3000_state *state = fe->demodulator_priv; - pid = (onoff ? pid | DIB3000_ACTIVATE_PID_FILTERING : 0); - wr(index+DIB3000MC_REG_FIRST_PID,pid); + *snr = 0x0000; return 0; } -static int dib3000mc_fifo_control(struct dvb_frontend *fe, int onoff) +static int dib3000mc_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune) { - 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); - } + tune->min_delay_ms = 1000; return 0; } -static int dib3000mc_pid_parse(struct dvb_frontend *fe, int onoff) +static void dib3000mc_release(struct dvb_frontend *fe) { - 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; + struct dib3000mc_state *state = fe->demodulator_priv; + dibx000_exit_i2c_master(&state->i2c_master); + kfree(state); } -static int dib3000mc_tuner_pass_ctrl(struct dvb_frontend *fe, int onoff, u8 pll_addr) +int dib3000mc_pid_control(struct dvb_frontend *fe, int index, int pid,int onoff) { - 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)); - } + struct dib3000mc_state *state = fe->demodulator_priv; + dib3000mc_write_word(state, 212 + index, onoff ? (1 << 13) | pid : 0); return 0; } +EXPORT_SYMBOL(dib3000mc_pid_control); -static int dib3000mc_demod_init(struct dib3000_state *state) +int dib3000mc_pid_parse(struct dvb_frontend *fe, int onoff) { - 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; + struct dib3000mc_state *state = fe->demodulator_priv; + u16 tmp = dib3000mc_read_word(state, 206) & ~(1 << 4); + tmp |= (onoff << 4); + return dib3000mc_write_word(state, 206, tmp); } +EXPORT_SYMBOL(dib3000mc_pid_parse); +void dib3000mc_set_config(struct dvb_frontend *fe, struct dib3000mc_config *cfg) +{ + struct dib3000mc_state *state = fe->demodulator_priv; + state->cfg = cfg; +} +EXPORT_SYMBOL(dib3000mc_set_config); 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) +int dib3000mc_attach(struct i2c_adapter *i2c_adap, int no_of_demods, u8 default_addr, u8 do_i2c_enum, struct dib3000mc_config cfg[], struct dvb_frontend *demod[]) { - struct dib3000_state* state = NULL; - u16 devid; + struct dib3000mc_state *st; + int k, num=0; - /* allocate memory for the internal state */ - state = kzalloc(sizeof(struct dib3000_state), GFP_KERNEL); - if (state == NULL) - goto error; + if (no_of_demods < 1) + return -EINVAL; - /* setup the state */ - state->i2c = i2c; - memcpy(&state->config,config,sizeof(struct dib3000_config)); + for (k = 0; k < no_of_demods; k++) { + st = kzalloc(sizeof(struct dib3000mc_state), GFP_KERNEL); + if (st == NULL) + goto error; - /* check for the correct demod */ - if (rd(DIB3000_REG_MANUFACTOR_ID) != DIB3000_I2C_ID_DIBCOM) - goto error; + num++; - devid = rd(DIB3000_REG_DEVICE_ID); - if (devid != DIB3000MC_DEVICE_ID && devid != DIB3000P_DEVICE_ID) - goto error; + st->cfg = &cfg[k]; + // st->gpio_val = cfg[k].gpio_val; + // st->gpio_dir = cfg[k].gpio_dir; + st->i2c_adap = i2c_adap; - switch (devid) { - case DIB3000MC_DEVICE_ID: - info("Found a DiBcom 3000M-C, interesting..."); - break; - case DIB3000P_DEVICE_ID: - info("Found a DiBcom 3000P."); - break; - } + demod[k] = &st->demod; + demod[k]->demodulator_priv = st; + memcpy(&st->demod.ops, &dib3000mc_ops, sizeof(struct dvb_frontend_ops)); - /* create dvb_frontend */ - memcpy(&state->frontend.ops, &dib3000mc_ops, sizeof(struct dvb_frontend_ops)); - state->frontend.demodulator_priv = state; +// INIT_COMPONENT_REGISTER_ACCESS(&st->register_access, 12, 16, dib7000p_register_read, dib7000p_register_write, st); +// demod[k]->register_access = &st->register_access; + } - /* 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; + if (do_i2c_enum) { + if (dib3000mc_i2c_enumeration(demod,no_of_demods,default_addr) != 0) + goto error; + } else { + st = demod[0]->demodulator_priv; + st->i2c_addr = default_addr; + if (dib3000mc_identify(st) != 0) + goto error; + } - dib3000mc_demod_init(state); + for (k = 0; k < num; k++) { + st = demod[k]->demodulator_priv; + dibx000_init_i2c_master(&st->i2c_master, DIB3000MC, st->i2c_adap, st->i2c_addr); + } - return &state->frontend; + return 0; error: - kfree(state); - return NULL; + for (k = 0; k < num; k++) { + kfree(demod[k]->demodulator_priv); + demod[k] = NULL; + } + return -EINVAL; } + EXPORT_SYMBOL(dib3000mc_attach); 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, + .name = "DiBcom 3000MC/P", + .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, + 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, + .release = dib3000mc_release, - .init = dib3000mc_fe_init_nonmobile, - .sleep = dib3000mc_sleep, + .init = dib3000mc_init, + .sleep = dib3000mc_sleep, - .set_frontend = dib3000mc_set_frontend_and_tuner, - .get_frontend = dib3000mc_get_frontend, - .get_tune_settings = dib3000mc_fe_get_tune_settings, + .set_frontend = dib3000mc_set_frontend, + .get_tune_settings = dib3000mc_fe_get_tune_settings, + .get_frontend = dib3000mc_get_frontend, - .read_status = dib3000mc_read_status, - .read_ber = dib3000mc_read_ber, + .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, + .read_snr = dib3000mc_read_snr, + .read_ucblocks = dib3000mc_read_unc_blocks, }; -MODULE_AUTHOR(DRIVER_AUTHOR); -MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_AUTHOR("Patrick Boettcher <pboettcher@dibcom.fr>"); +MODULE_DESCRIPTION("Driver for the DiBcom 3000MC/P COFDM demodulator"); MODULE_LICENSE("GPL"); |