diff options
Diffstat (limited to 'drivers/media/dvb/frontends/dib7000m.c')
| -rw-r--r-- | drivers/media/dvb/frontends/dib7000m.c | 727 |
1 files changed, 469 insertions, 258 deletions
diff --git a/drivers/media/dvb/frontends/dib7000m.c b/drivers/media/dvb/frontends/dib7000m.c index f64546c6aeb5..fb18441a8c57 100644 --- a/drivers/media/dvb/frontends/dib7000m.c +++ b/drivers/media/dvb/frontends/dib7000m.c @@ -2,7 +2,7 @@ * Linux-DVB Driver for DiBcom's DiB7000M and * first generation DiB7000P-demodulator-family. * - * Copyright (C) 2005-6 DiBcom (http://www.dibcom.fr/) + * Copyright (C) 2005-7 DiBcom (http://www.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 @@ -19,7 +19,7 @@ static int debug; module_param(debug, int, 0644); MODULE_PARM_DESC(debug, "turn on debugging (default: 0)"); -#define dprintk(args...) do { if (debug) { printk(KERN_DEBUG "DiB7000M:"); printk(args); } } while (0) +#define dprintk(args...) do { if (debug) { printk(KERN_DEBUG "DiB7000M: "); printk(args); printk("\n"); } } while (0) struct dib7000m_state { struct dvb_frontend demod; @@ -39,8 +39,16 @@ struct dib7000m_state { fe_bandwidth_t current_bandwidth; struct dibx000_agc_config *current_agc; u32 timf; + u32 timf_default; + u32 internal_clk; + + u8 div_force_off : 1; + u8 div_state : 1; + u16 div_sync_wait; u16 revision; + + u8 agc_state; }; enum dib7000m_power_mode { @@ -63,7 +71,7 @@ static u16 dib7000m_read_word(struct dib7000m_state *state, u16 reg) }; if (i2c_transfer(state->i2c_adap, msg, 2) != 2) - dprintk("i2c read error on %d\n",reg); + dprintk("i2c read error on %d",reg); return (rb[0] << 8) | rb[1]; } @@ -79,6 +87,25 @@ static int dib7000m_write_word(struct dib7000m_state *state, u16 reg, u16 val) }; return i2c_transfer(state->i2c_adap, &msg, 1) != 1 ? -EREMOTEIO : 0; } +static void dib7000m_write_tab(struct dib7000m_state *state, u16 *buf) +{ + u16 l = 0, r, *n; + n = buf; + l = *n++; + while (l) { + r = *n++; + + if (state->reg_offs && (r >= 112 && r <= 331)) // compensate for 7000MC + r++; + + do { + dib7000m_write_word(state, r, *n++); + r++; + } while (--l); + l = *n++; + } +} + static int dib7000m_set_output_mode(struct dib7000m_state *state, int mode) { int ret = 0; @@ -89,8 +116,7 @@ static int dib7000m_set_output_mode(struct dib7000m_state *state, int mode) fifo_threshold = 1792; smo_mode = (dib7000m_read_word(state, 294 + state->reg_offs) & 0x0010) | (1 << 1); - dprintk("-I- Setting output mode for demod %p to %d\n", - &state->demod, mode); + dprintk( "setting output mode for demod %p to %d", &state->demod, mode); switch (mode) { case OUTMODE_MPEG2_PAR_GATED_CLK: // STBs with parallel gated clock @@ -117,7 +143,7 @@ static int dib7000m_set_output_mode(struct dib7000m_state *state, int mode) outreg = 0; break; default: - dprintk("Unhandled output_mode passed to be set for demod %p\n",&state->demod); + dprintk( "Unhandled output_mode passed to be set for demod %p",&state->demod); break; } @@ -129,13 +155,20 @@ static int dib7000m_set_output_mode(struct dib7000m_state *state, int mode) ret |= dib7000m_write_word(state, 1795, outreg); ret |= dib7000m_write_word(state, 1805, sram); + if (state->revision == 0x4003) { + u16 clk_cfg1 = dib7000m_read_word(state, 909) & 0xfffd; + if (mode == OUTMODE_DIVERSITY) + clk_cfg1 |= (1 << 1); // P_O_CLK_en + dib7000m_write_word(state, 909, clk_cfg1); + } return ret; } -static int dib7000m_set_power_mode(struct dib7000m_state *state, enum dib7000m_power_mode mode) +static void dib7000m_set_power_mode(struct dib7000m_state *state, enum dib7000m_power_mode mode) { /* by default everything is going to be powered off */ u16 reg_903 = 0xffff, reg_904 = 0xffff, reg_905 = 0xffff, reg_906 = 0x3fff; + u8 offset = 0; /* now, depending on the requested mode, we power on */ switch (mode) { @@ -170,16 +203,17 @@ static int dib7000m_set_power_mode(struct dib7000m_state *state, enum dib7000m_p if (!state->cfg.mobile_mode) reg_904 |= (1 << 7) | (1 << 6) | (1 << 4) | (1 << 2) | (1 << 1); - /* P_sdio_select_clk = 0 on MC */ + /* P_sdio_select_clk = 0 on MC and after*/ if (state->revision != 0x4000) reg_906 <<= 1; - dib7000m_write_word(state, 903, reg_903); - dib7000m_write_word(state, 904, reg_904); - dib7000m_write_word(state, 905, reg_905); - dib7000m_write_word(state, 906, reg_906); + if (state->revision == 0x4003) + offset = 1; - return 0; + dib7000m_write_word(state, 903 + offset, reg_903); + dib7000m_write_word(state, 904 + offset, reg_904); + dib7000m_write_word(state, 905 + offset, reg_905); + dib7000m_write_word(state, 906 + offset, reg_906); } static int dib7000m_set_adc_state(struct dib7000m_state *state, enum dibx000_adc_states no) @@ -230,34 +264,55 @@ static int dib7000m_set_adc_state(struct dib7000m_state *state, enum dibx000_adc break; } -// dprintk("-D- 913: %x, 914: %x\n", reg_913, reg_914); - +// dprintk( "913: %x, 914: %x", reg_913, reg_914); ret |= dib7000m_write_word(state, 913, reg_913); ret |= dib7000m_write_word(state, 914, reg_914); return ret; } -static int dib7000m_set_bandwidth(struct dvb_frontend *demod, u8 bw_idx) +static int dib7000m_set_bandwidth(struct dib7000m_state *state, u32 bw) { - struct dib7000m_state *state = demod->demodulator_priv; u32 timf; // store the current bandwidth for later use - state->current_bandwidth = bw_idx; + state->current_bandwidth = bw; if (state->timf == 0) { - dprintk("-D- Using default timf\n"); - timf = state->cfg.bw->timf; + dprintk( "using default timf"); + timf = state->timf_default; } else { - dprintk("-D- Using updated timf\n"); + dprintk( "using updated timf"); timf = state->timf; } - timf = timf * (BW_INDEX_TO_KHZ(bw_idx) / 100) / 80; + timf = timf * (bw / 50) / 160; - dib7000m_write_word(state, 23, (timf >> 16) & 0xffff); - dib7000m_write_word(state, 24, (timf ) & 0xffff); + dib7000m_write_word(state, 23, (u16) ((timf >> 16) & 0xffff)); + dib7000m_write_word(state, 24, (u16) ((timf ) & 0xffff)); + + return 0; +} + +static int dib7000m_set_diversity_in(struct dvb_frontend *demod, int onoff) +{ + struct dib7000m_state *state = demod->demodulator_priv; + + if (state->div_force_off) { + dprintk( "diversity combination deactivated - forced by COFDM parameters"); + onoff = 0; + } + state->div_state = (u8)onoff; + + if (onoff) { + dib7000m_write_word(state, 263 + state->reg_offs, 6); + dib7000m_write_word(state, 264 + state->reg_offs, 6); + dib7000m_write_word(state, 266 + state->reg_offs, (state->div_sync_wait << 4) | (1 << 2) | (2 << 0)); + } else { + dib7000m_write_word(state, 263 + state->reg_offs, 1); + dib7000m_write_word(state, 264 + state->reg_offs, 0); + dib7000m_write_word(state, 266 + state->reg_offs, 0); + } return 0; } @@ -266,7 +321,7 @@ static int dib7000m_sad_calib(struct dib7000m_state *state) { /* internal */ -// dib7000m_write_word(state, 928, (3 << 14) | (1 << 12) | (524 << 0)); // sampling clock of the SAD is written in set_bandwidth +// dib7000m_write_word(state, 928, (3 << 14) | (1 << 12) | (524 << 0)); // sampling clock of the SAD is writting in set_bandwidth dib7000m_write_word(state, 929, (0 << 1) | (0 << 0)); dib7000m_write_word(state, 930, 776); // 0.625*3.3 / 4096 @@ -281,10 +336,10 @@ static int dib7000m_sad_calib(struct dib7000m_state *state) static void dib7000m_reset_pll_common(struct dib7000m_state *state, const struct dibx000_bandwidth_config *bw) { - dib7000m_write_word(state, 18, ((bw->internal*1000) >> 16) & 0xffff); - dib7000m_write_word(state, 19, (bw->internal*1000) & 0xffff); - dib7000m_write_word(state, 21, (bw->ifreq >> 16) & 0xffff); - dib7000m_write_word(state, 22, bw->ifreq & 0xffff); + dib7000m_write_word(state, 18, (u16) (((bw->internal*1000) >> 16) & 0xffff)); + dib7000m_write_word(state, 19, (u16) ( (bw->internal*1000) & 0xffff)); + dib7000m_write_word(state, 21, (u16) ( (bw->ifreq >> 16) & 0xffff)); + dib7000m_write_word(state, 22, (u16) ( bw->ifreq & 0xffff)); dib7000m_write_word(state, 928, bw->sad_cfg); } @@ -325,15 +380,19 @@ static void dib7000m_reset_pll(struct dib7000m_state *state) static void dib7000mc_reset_pll(struct dib7000m_state *state) { const struct dibx000_bandwidth_config *bw = state->cfg.bw; + u16 clk_cfg1; // clk_cfg0 dib7000m_write_word(state, 907, (bw->pll_prediv << 8) | (bw->pll_ratio << 0)); // clk_cfg1 //dib7000m_write_word(state, 908, (1 << 14) | (3 << 12) |(0 << 11) | - dib7000m_write_word(state, 908, (0 << 14) | (3 << 12) |(0 << 11) | + clk_cfg1 = (0 << 14) | (3 << 12) |(0 << 11) | (bw->IO_CLK_en_core << 10) | (bw->bypclk_div << 5) | (bw->enable_refdiv << 4) | - (bw->pll_bypass << 3) | (bw->pll_range << 1) | (bw->pll_reset << 0)); + (1 << 3) | (bw->pll_range << 1) | (bw->pll_reset << 0); + dib7000m_write_word(state, 908, clk_cfg1); + clk_cfg1 = (clk_cfg1 & 0xfff7) | (bw->pll_bypass << 3); + dib7000m_write_word(state, 908, clk_cfg1); // smpl_cfg dib7000m_write_word(state, 910, (1 << 12) | (2 << 10) | (bw->modulo << 8) | (bw->ADClkSrc << 7)); @@ -344,9 +403,6 @@ static void dib7000mc_reset_pll(struct dib7000m_state *state) static int dib7000m_reset_gpio(struct dib7000m_state *st) { /* reset the GPIOs */ - dprintk("-D- gpio dir: %x: gpio val: %x, gpio pwm pos: %x\n", - st->cfg.gpio_dir, st->cfg.gpio_val,st->cfg.gpio_pwm_pos); - dib7000m_write_word(st, 773, st->cfg.gpio_dir); dib7000m_write_word(st, 774, st->cfg.gpio_val); @@ -358,6 +414,107 @@ static int dib7000m_reset_gpio(struct dib7000m_state *st) return 0; } +static u16 dib7000m_defaults_common[] = + +{ + // auto search configuration + 3, 2, + 0x0004, + 0x1000, + 0x0814, + + 12, 6, + 0x001b, + 0x7740, + 0x005b, + 0x8d80, + 0x01c9, + 0xc380, + 0x0000, + 0x0080, + 0x0000, + 0x0090, + 0x0001, + 0xd4c0, + + 1, 26, + 0x6680, // P_corm_thres Lock algorithms configuration + + 1, 170, + 0x0410, // P_palf_alpha_regul, P_palf_filter_freeze, P_palf_filter_on + + 8, 173, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + + 1, 182, + 8192, // P_fft_nb_to_cut + + 2, 195, + 0x0ccd, // P_pha3_thres + 0, // P_cti_use_cpe, P_cti_use_prog + + 1, 205, + 0x200f, // P_cspu_regul, P_cspu_win_cut + + 5, 214, + 0x023d, // P_adp_regul_cnt + 0x00a4, // P_adp_noise_cnt + 0x00a4, // P_adp_regul_ext + 0x7ff0, // P_adp_noise_ext + 0x3ccc, // P_adp_fil + + 1, 226, + 0, // P_2d_byp_ti_num + + 1, 255, + 0x800, // P_equal_thres_wgn + + 1, 263, + 0x0001, + + 1, 281, + 0x0010, // P_fec_* + + 1, 294, + 0x0062, // P_smo_mode, P_smo_rs_discard, P_smo_fifo_flush, P_smo_pid_parse, P_smo_error_discard + + 0 +}; + +static u16 dib7000m_defaults[] = + +{ + /* set ADC level to -16 */ + 11, 76, + (1 << 13) - 825 - 117, + (1 << 13) - 837 - 117, + (1 << 13) - 811 - 117, + (1 << 13) - 766 - 117, + (1 << 13) - 737 - 117, + (1 << 13) - 693 - 117, + (1 << 13) - 648 - 117, + (1 << 13) - 619 - 117, + (1 << 13) - 575 - 117, + (1 << 13) - 531 - 117, + (1 << 13) - 501 - 117, + + // Tuner IO bank: max drive (14mA) + 1, 912, + 0x2c8a, + + 1, 1817, + 1, + + 0, +}; + static int dib7000m_demod_reset(struct dib7000m_state *state) { dib7000m_set_power_mode(state, DIB7000M_POWER_ALL); @@ -382,22 +539,47 @@ static int dib7000m_demod_reset(struct dib7000m_state *state) dib7000mc_reset_pll(state); if (dib7000m_reset_gpio(state) != 0) - dprintk("-E- GPIO reset was not successful.\n"); + dprintk( "GPIO reset was not successful."); if (dib7000m_set_output_mode(state, OUTMODE_HIGH_Z) != 0) - dprintk("-E- OUTPUT_MODE could not be resetted.\n"); + dprintk( "OUTPUT_MODE could not be reset."); /* unforce divstr regardless whether i2c enumeration was done or not */ dib7000m_write_word(state, 1794, dib7000m_read_word(state, 1794) & ~(1 << 1) ); - dib7000m_set_bandwidth(&state->demod, BANDWIDTH_8_MHZ); + dib7000m_set_bandwidth(state, 8000); dib7000m_set_adc_state(state, DIBX000_SLOW_ADC_ON); dib7000m_sad_calib(state); dib7000m_set_adc_state(state, DIBX000_SLOW_ADC_OFF); + if (state->cfg.dvbt_mode) + dib7000m_write_word(state, 1796, 0x0); // select DVB-T output + + if (state->cfg.mobile_mode) + dib7000m_write_word(state, 261 + state->reg_offs, 2); + else + dib7000m_write_word(state, 224 + state->reg_offs, 1); + + // P_iqc_alpha_pha, P_iqc_alpha_amp, P_iqc_dcc_alpha, ... + if(state->cfg.tuner_is_baseband) + dib7000m_write_word(state, 36, 0x0755); + else + dib7000m_write_word(state, 36, 0x1f55); + + // P_divclksel=3 P_divbitsel=1 + if (state->revision == 0x4000) + dib7000m_write_word(state, 909, (3 << 10) | (1 << 6)); + else + dib7000m_write_word(state, 909, (3 << 4) | 1); + + dib7000m_write_tab(state, dib7000m_defaults_common); + dib7000m_write_tab(state, dib7000m_defaults); + dib7000m_set_power_mode(state, DIB7000M_POWER_INTERFACE_ONLY); + state->internal_clk = state->cfg.bw->internal; + return 0; } @@ -427,7 +609,7 @@ static int dib7000m_agc_soft_split(struct dib7000m_state *state) (agc - state->current_agc->split.min_thres) / (state->current_agc->split.max_thres - state->current_agc->split.min_thres); - dprintk("AGC split_offset: %d\n",split_offset); + dprintk( "AGC split_offset: %d",split_offset); // P_agc_force_split and P_agc_split_offset return dib7000m_write_word(state, 103, (dib7000m_read_word(state, 103) & 0xff00) | split_offset); @@ -435,35 +617,26 @@ static int dib7000m_agc_soft_split(struct dib7000m_state *state) static int dib7000m_update_lna(struct dib7000m_state *state) { - int i; u16 dyn_gain; - // when there is no LNA to program return immediatly - if (state->cfg.update_lna == NULL) - return 0; - - msleep(60); - for (i = 0; i < 20; i++) { - // read dyn_gain here (because it is demod-dependent and not tuner) + if (state->cfg.update_lna) { + // read dyn_gain here (because it is demod-dependent and not fe) dyn_gain = dib7000m_read_word(state, 390); - dprintk("agc global: %d\n", dyn_gain); - if (state->cfg.update_lna(&state->demod,dyn_gain)) { // LNA has changed dib7000m_restart_agc(state); - msleep(60); - } else - break; + return 1; + } } return 0; } -static void dib7000m_set_agc_config(struct dib7000m_state *state, u8 band) +static int dib7000m_set_agc_config(struct dib7000m_state *state, u8 band) { struct dibx000_agc_config *agc = NULL; int i; - if (state->current_band == band) - return; + if (state->current_band == band && state->current_agc != NULL) + return 0; state->current_band = band; for (i = 0; i < state->cfg.agc_config_count; i++) @@ -473,8 +646,8 @@ static void dib7000m_set_agc_config(struct dib7000m_state *state, u8 band) } if (agc == NULL) { - dprintk("-E- No valid AGC configuration found for band 0x%02x\n",band); - return; + dprintk( "no valid AGC configuration found for band 0x%02x",band); + return -EINVAL; } state->current_agc = agc; @@ -489,7 +662,7 @@ static void dib7000m_set_agc_config(struct dib7000m_state *state, u8 band) dib7000m_write_word(state, 98, (agc->alpha_mant << 5) | agc->alpha_exp); dib7000m_write_word(state, 99, (agc->beta_mant << 6) | agc->beta_exp); - dprintk("-D- WBD: ref: %d, sel: %d, active: %d, alpha: %d\n", + dprintk( "WBD: ref: %d, sel: %d, active: %d, alpha: %d", state->wbd_ref != 0 ? state->wbd_ref : agc->wbd_ref, agc->wbd_sel, !agc->perform_agc_softsplit, agc->wbd_sel); /* AGC continued */ @@ -510,7 +683,7 @@ static void dib7000m_set_agc_config(struct dib7000m_state *state, u8 band) if (state->revision > 0x4000) { // settings for the MC dib7000m_write_word(state, 71, agc->agc1_pt3); -// dprintk("-D- 929: %x %d %d\n", +// dprintk( "929: %x %d %d", // (dib7000m_read_word(state, 929) & 0xffe3) | (agc->wbd_inv << 4) | (agc->wbd_sel << 2), agc->wbd_inv, agc->wbd_sel); dib7000m_write_word(state, 929, (dib7000m_read_word(state, 929) & 0xffe3) | (agc->wbd_inv << 4) | (agc->wbd_sel << 2)); } else { @@ -519,33 +692,160 @@ static void dib7000m_set_agc_config(struct dib7000m_state *state, u8 band) for (i = 0; i < 9; i++) dib7000m_write_word(state, 88 + i, b[i]); } + return 0; } -static void dib7000m_update_timf_freq(struct dib7000m_state *state) +static void dib7000m_update_timf(struct dib7000m_state *state) { u32 timf = (dib7000m_read_word(state, 436) << 16) | dib7000m_read_word(state, 437); - state->timf = timf * 80 / (BW_INDEX_TO_KHZ(state->current_bandwidth) / 100); + state->timf = timf * 160 / (state->current_bandwidth / 50); dib7000m_write_word(state, 23, (u16) (timf >> 16)); dib7000m_write_word(state, 24, (u16) (timf & 0xffff)); - dprintk("-D- Updated timf_frequency: %d (default: %d)\n",state->timf, state->cfg.bw->timf); + dprintk( "updated timf_frequency: %d (default: %d)",state->timf, state->timf_default); +} + +static int dib7000m_agc_startup(struct dvb_frontend *demod, struct dvb_frontend_parameters *ch) +{ + struct dib7000m_state *state = demod->demodulator_priv; + u16 cfg_72 = dib7000m_read_word(state, 72); + int ret = -1; + u8 *agc_state = &state->agc_state; + u8 agc_split; + + switch (state->agc_state) { + case 0: + // set power-up level: interf+analog+AGC + dib7000m_set_power_mode(state, DIB7000M_POWER_INTERF_ANALOG_AGC); + dib7000m_set_adc_state(state, DIBX000_ADC_ON); + + if (dib7000m_set_agc_config(state, BAND_OF_FREQUENCY(ch->frequency/1000)) != 0) + return -1; + + ret = 7; /* ADC power up */ + (*agc_state)++; + break; + + case 1: + /* AGC initialization */ + if (state->cfg.agc_control) + state->cfg.agc_control(&state->demod, 1); + + dib7000m_write_word(state, 75, 32768); + if (!state->current_agc->perform_agc_softsplit) { + /* we are using the wbd - so slow AGC startup */ + dib7000m_write_word(state, 103, 1 << 8); /* force 0 split on WBD and restart AGC */ + (*agc_state)++; + ret = 5; + } else { + /* default AGC startup */ + (*agc_state) = 4; + /* wait AGC rough lock time */ + ret = 7; + } + + dib7000m_restart_agc(state); + break; + + case 2: /* fast split search path after 5sec */ + dib7000m_write_word(state, 72, cfg_72 | (1 << 4)); /* freeze AGC loop */ + dib7000m_write_word(state, 103, 2 << 9); /* fast split search 0.25kHz */ + (*agc_state)++; + ret = 14; + break; + + case 3: /* split search ended */ + agc_split = (u8)dib7000m_read_word(state, 392); /* store the split value for the next time */ + dib7000m_write_word(state, 75, dib7000m_read_word(state, 390)); /* set AGC gain start value */ + + dib7000m_write_word(state, 72, cfg_72 & ~(1 << 4)); /* std AGC loop */ + dib7000m_write_word(state, 103, (state->current_agc->wbd_alpha << 9) | agc_split); /* standard split search */ + + dib7000m_restart_agc(state); + + dprintk( "SPLIT %p: %hd", demod, agc_split); + + (*agc_state)++; + ret = 5; + break; + + case 4: /* LNA startup */ + /* wait AGC accurate lock time */ + ret = 7; + + if (dib7000m_update_lna(state)) + // wait only AGC rough lock time + ret = 5; + else + (*agc_state)++; + break; + + case 5: + dib7000m_agc_soft_split(state); + + if (state->cfg.agc_control) + state->cfg.agc_control(&state->demod, 0); + + (*agc_state)++; + break; + + default: + break; + } + return ret; } -static void dib7000m_set_channel(struct dib7000m_state *state, struct dibx000_ofdm_channel *ch, u8 seq) +static void dib7000m_set_channel(struct dib7000m_state *state, struct dvb_frontend_parameters *ch, u8 seq) { u16 value, est[4]; - dib7000m_set_agc_config(state, BAND_OF_FREQUENCY(ch->RF_kHz)); + dib7000m_set_bandwidth(state, BANDWIDTH_TO_KHZ(ch->u.ofdm.bandwidth)); /* nfft, guard, qam, alpha */ - dib7000m_write_word(state, 0, (ch->nfft << 7) | (ch->guard << 5) | (ch->nqam << 3) | (ch->vit_alpha)); + value = 0; + switch (ch->u.ofdm.transmission_mode) { + case TRANSMISSION_MODE_2K: value |= (0 << 7); break; + case /* 4K MODE */ 255: value |= (2 << 7); break; + default: + case TRANSMISSION_MODE_8K: value |= (1 << 7); break; + } + switch (ch->u.ofdm.guard_interval) { + case GUARD_INTERVAL_1_32: value |= (0 << 5); break; + case GUARD_INTERVAL_1_16: value |= (1 << 5); break; + case GUARD_INTERVAL_1_4: value |= (3 << 5); break; + default: + case GUARD_INTERVAL_1_8: value |= (2 << 5); break; + } + switch (ch->u.ofdm.constellation) { + case QPSK: value |= (0 << 3); break; + case QAM_16: value |= (1 << 3); break; + default: + case QAM_64: value |= (2 << 3); break; + } + switch (HIERARCHY_1) { + case HIERARCHY_2: value |= 2; break; + case HIERARCHY_4: value |= 4; break; + default: + case HIERARCHY_1: value |= 1; break; + } + dib7000m_write_word(state, 0, value); dib7000m_write_word(state, 5, (seq << 4)); - /* P_dintl_native, P_dintlv_inv, P_vit_hrch, P_vit_code_rate, P_vit_select_hp */ - value = (ch->intlv_native << 6) | (ch->vit_hrch << 4) | (ch->vit_select_hp & 0x1); - if (ch->vit_hrch == 0 || ch->vit_select_hp == 1) - value |= (ch->vit_code_rate_hp << 1); - else - value |= (ch->vit_code_rate_lp << 1); + /* P_dintl_native, P_dintlv_inv, P_hrch, P_code_rate, P_select_hp */ + value = 0; + if (1 != 0) + value |= (1 << 6); + if (ch->u.ofdm.hierarchy_information == 1) + value |= (1 << 4); + if (1 == 1) + value |= 1; + switch ((ch->u.ofdm.hierarchy_information == 0 || 1 == 1) ? ch->u.ofdm.code_rate_HP : ch->u.ofdm.code_rate_LP) { + case FEC_2_3: value |= (2 << 1); break; + case FEC_3_4: value |= (3 << 1); break; + case FEC_5_6: value |= (5 << 1); break; + case FEC_7_8: value |= (7 << 1); break; + default: + case FEC_1_2: value |= (1 << 1); break; + } dib7000m_write_word(state, 267 + state->reg_offs, value); /* offset loop parameters */ @@ -563,32 +863,38 @@ static void dib7000m_set_channel(struct dib7000m_state *state, struct dibx000_of dib7000m_write_word(state, 33, (0 << 4) | 0x5); /* P_dvsy_sync_wait */ - switch (ch->nfft) { - case 1: value = 256; break; - case 2: value = 128; break; - case 0: + switch (ch->u.ofdm.transmission_mode) { + case TRANSMISSION_MODE_8K: value = 256; break; + case /* 4K MODE */ 255: value = 128; break; + case TRANSMISSION_MODE_2K: default: value = 64; break; } - value *= ((1 << (ch->guard)) * 3 / 2); // add 50% SFN margin - value <<= 4; + switch (ch->u.ofdm.guard_interval) { + case GUARD_INTERVAL_1_16: value *= 2; break; + case GUARD_INTERVAL_1_8: value *= 4; break; + case GUARD_INTERVAL_1_4: value *= 8; break; + default: + case GUARD_INTERVAL_1_32: value *= 1; break; + } + state->div_sync_wait = (value * 3) / 2 + 32; // add 50% SFN margin + compensate for one DVSY-fifo TODO /* deactive the possibility of diversity reception if extended interleave - not for 7000MC */ /* P_dvsy_sync_mode = 0, P_dvsy_sync_enable=1, P_dvcb_comb_mode=2 */ - if (ch->intlv_native || state->revision > 0x4000) - value |= (1 << 2) | (2 << 0); + if (1 == 1 || state->revision > 0x4000) + state->div_force_off = 0; else - value |= 0; - dib7000m_write_word(state, 266 + state->reg_offs, value); + state->div_force_off = 1; + dib7000m_set_diversity_in(&state->demod, state->div_state); /* channel estimation fine configuration */ - switch (ch->nqam) { - case 2: + switch (ch->u.ofdm.constellation) { + case QAM_64: est[0] = 0x0148; /* P_adp_regul_cnt 0.04 */ est[1] = 0xfff0; /* P_adp_noise_cnt -0.002 */ est[2] = 0x00a4; /* P_adp_regul_ext 0.02 */ est[3] = 0xfff8; /* P_adp_noise_ext -0.001 */ break; - case 1: + case QAM_16: est[0] = 0x023d; /* P_adp_regul_cnt 0.07 */ est[1] = 0xffdf; /* P_adp_noise_cnt -0.004 */ est[2] = 0x00a4; /* P_adp_regul_ext 0.02 */ @@ -604,70 +910,48 @@ static void dib7000m_set_channel(struct dib7000m_state *state, struct dibx000_of for (value = 0; value < 4; value++) dib7000m_write_word(state, 214 + value + state->reg_offs, est[value]); - // set power-up level: interf+analog+AGC - dib7000m_set_power_mode(state, DIB7000M_POWER_INTERF_ANALOG_AGC); - dib7000m_set_adc_state(state, DIBX000_ADC_ON); - - msleep(7); - - //AGC initialization - if (state->cfg.agc_control) - state->cfg.agc_control(&state->demod, 1); - - dib7000m_restart_agc(state); - - // wait AGC rough lock time - msleep(5); - - dib7000m_update_lna(state); - dib7000m_agc_soft_split(state); - - // wait AGC accurate lock time - msleep(7); - - if (state->cfg.agc_control) - state->cfg.agc_control(&state->demod, 0); - // set power-up level: autosearch dib7000m_set_power_mode(state, DIB7000M_POWER_COR4_DINTLV_ICIRM_EQUAL_CFROD); } -static int dib7000m_autosearch_start(struct dvb_frontend *demod, struct dibx000_ofdm_channel *ch) +static int dib7000m_autosearch_start(struct dvb_frontend *demod, struct dvb_frontend_parameters *ch) { struct dib7000m_state *state = demod->demodulator_priv; - struct dibx000_ofdm_channel auto_ch; + struct dvb_frontend_parameters schan; int ret = 0; - u32 value; - - INIT_OFDM_CHANNEL(&auto_ch); - auto_ch.RF_kHz = ch->RF_kHz; - auto_ch.Bw = ch->Bw; - auto_ch.nqam = 2; - auto_ch.guard = 0; - auto_ch.nfft = 1; - auto_ch.vit_alpha = 1; - auto_ch.vit_select_hp = 1; - auto_ch.vit_code_rate_hp = 2; - auto_ch.vit_code_rate_lp = 3; - auto_ch.vit_hrch = 0; - auto_ch.intlv_native = 1; - - dib7000m_set_channel(state, &auto_ch, 7); + u32 value, factor; + + schan = *ch; + + schan.u.ofdm.constellation = QAM_64; + schan.u.ofdm.guard_interval = GUARD_INTERVAL_1_32; + schan.u.ofdm.transmission_mode = TRANSMISSION_MODE_8K; + schan.u.ofdm.code_rate_HP = FEC_2_3; + schan.u.ofdm.code_rate_LP = FEC_3_4; + schan.u.ofdm.hierarchy_information = 0; + + dib7000m_set_channel(state, &schan, 7); + + factor = BANDWIDTH_TO_KHZ(ch->u.ofdm.bandwidth); + if (factor >= 5000) + factor = 1; + else + factor = 6; // always use the setting for 8MHz here lock_time for 7,6 MHz are longer - value = 30 * state->cfg.bw->internal; + value = 30 * state->internal_clk * factor; ret |= dib7000m_write_word(state, 6, (u16) ((value >> 16) & 0xffff)); // lock0 wait time ret |= dib7000m_write_word(state, 7, (u16) (value & 0xffff)); // lock0 wait time - value = 100 * state->cfg.bw->internal; + value = 100 * state->internal_clk * factor; ret |= dib7000m_write_word(state, 8, (u16) ((value >> 16) & 0xffff)); // lock1 wait time ret |= dib7000m_write_word(state, 9, (u16) (value & 0xffff)); // lock1 wait time - value = 500 * state->cfg.bw->internal; + value = 500 * state->internal_clk * factor; ret |= dib7000m_write_word(state, 10, (u16) ((value >> 16) & 0xffff)); // lock2 wait time ret |= dib7000m_write_word(state, 11, (u16) (value & 0xffff)); // lock2 wait time // start search value = dib7000m_read_word(state, 0); - ret |= dib7000m_write_word(state, 0, value | (1 << 9)); + ret |= dib7000m_write_word(state, 0, (u16) (value | (1 << 9))); /* clear n_irq_pending */ if (state->revision == 0x4000) @@ -685,12 +969,12 @@ static int dib7000m_autosearch_irq(struct dib7000m_state *state, u16 reg) u16 irq_pending = dib7000m_read_word(state, reg); if (irq_pending & 0x1) { // failed - dprintk("#\n"); + dprintk( "autosearch failed"); return 1; } if (irq_pending & 0x2) { // succeeded - dprintk("!\n"); + dprintk( "autosearch succeeded"); return 2; } return 0; // still pending @@ -705,7 +989,7 @@ static int dib7000m_autosearch_is_irq(struct dvb_frontend *demod) return dib7000m_autosearch_irq(state, 537); } -static int dib7000m_tune(struct dvb_frontend *demod, struct dibx000_ofdm_channel *ch) +static int dib7000m_tune(struct dvb_frontend *demod, struct dvb_frontend_parameters *ch) { struct dib7000m_state *state = demod->demodulator_priv; int ret = 0; @@ -722,182 +1006,103 @@ static int dib7000m_tune(struct dvb_frontend *demod, struct dibx000_ofdm_channel ret |= dib7000m_write_word(state, 898, 0x0000); msleep(45); - ret |= dib7000m_set_power_mode(state, DIB7000M_POWER_COR4_CRY_ESRAM_MOUT_NUD); + dib7000m_set_power_mode(state, DIB7000M_POWER_COR4_CRY_ESRAM_MOUT_NUD); /* P_ctrl_inh_cor=0, P_ctrl_alpha_cor=4, P_ctrl_inh_isi=0, P_ctrl_alpha_isi=3, P_ctrl_inh_cor4=1, P_ctrl_alpha_cor4=3 */ ret |= dib7000m_write_word(state, 29, (0 << 14) | (4 << 10) | (0 << 9) | (3 << 5) | (1 << 4) | (0x3)); - // never achieved a lock with that bandwidth so far - wait for timfreq to update + // never achieved a lock before - wait for timfreq to update if (state->timf == 0) msleep(200); //dump_reg(state); /* P_timf_alpha, P_corm_alpha=6, P_corm_thres=0x80 */ value = (6 << 8) | 0x80; - switch (ch->nfft) { - case 0: value |= (7 << 12); break; - case 1: value |= (9 << 12); break; - case 2: value |= (8 << 12); break; + switch (ch->u.ofdm.transmission_mode) { + case TRANSMISSION_MODE_2K: value |= (7 << 12); break; + case /* 4K MODE */ 255: value |= (8 << 12); break; + default: + case TRANSMISSION_MODE_8K: value |= (9 << 12); break; } ret |= dib7000m_write_word(state, 26, value); /* P_ctrl_freeze_pha_shift=0, P_ctrl_pha_off_max */ value = (0 << 4); - switch (ch->nfft) { - case 0: value |= 0x6; break; - case 1: value |= 0x8; break; - case 2: value |= 0x7; break; + switch (ch->u.ofdm.transmission_mode) { + case TRANSMISSION_MODE_2K: value |= 0x6; break; + case /* 4K MODE */ 255: value |= 0x7; break; + default: + case TRANSMISSION_MODE_8K: value |= 0x8; break; } ret |= dib7000m_write_word(state, 32, value); /* P_ctrl_sfreq_inh=0, P_ctrl_sfreq_step */ value = (0 << 4); - switch (ch->nfft) { - case 0: value |= 0x6; break; - case 1: value |= 0x8; break; - case 2: value |= 0x7; break; + switch (ch->u.ofdm.transmission_mode) { + case TRANSMISSION_MODE_2K: value |= 0x6; break; + case /* 4K MODE */ 255: value |= 0x7; break; + default: + case TRANSMISSION_MODE_8K: value |= 0x8; break; } ret |= dib7000m_write_word(state, 33, value); - // we achieved a lock - it's time to update the osc freq + // we achieved a lock - it's time to update the timf freq if ((dib7000m_read_word(state, 535) >> 6) & 0x1) - dib7000m_update_timf_freq(state); + dib7000m_update_timf(state); + dib7000m_set_bandwidth(state, BANDWIDTH_TO_KHZ(ch->u.ofdm.bandwidth)); return ret; } -static int dib7000m_init(struct dvb_frontend *demod) +static int dib7000m_wakeup(struct dvb_frontend *demod) { struct dib7000m_state *state = demod->demodulator_priv; - int ret = 0; - u8 o = state->reg_offs; dib7000m_set_power_mode(state, DIB7000M_POWER_ALL); if (dib7000m_set_adc_state(state, DIBX000_SLOW_ADC_ON) != 0) - dprintk("-E- could not start Slow ADC\n"); - - if (state->cfg.dvbt_mode) - dib7000m_write_word(state, 1796, 0x0); // select DVB-T output - - if (state->cfg.mobile_mode) - ret |= dib7000m_write_word(state, 261 + o, 2); - else - ret |= dib7000m_write_word(state, 224 + o, 1); - - ret |= dib7000m_write_word(state, 173 + o, 0); - ret |= dib7000m_write_word(state, 174 + o, 0); - ret |= dib7000m_write_word(state, 175 + o, 0); - ret |= dib7000m_write_word(state, 176 + o, 0); - ret |= dib7000m_write_word(state, 177 + o, 0); - ret |= dib7000m_write_word(state, 178 + o, 0); - ret |= dib7000m_write_word(state, 179 + o, 0); - ret |= dib7000m_write_word(state, 180 + o, 0); - - // P_corm_thres Lock algorithms configuration - ret |= dib7000m_write_word(state, 26, 0x6680); - - // P_palf_alpha_regul, P_palf_filter_freeze, P_palf_filter_on - ret |= dib7000m_write_word(state, 170 + o, 0x0410); - // P_fft_nb_to_cut - ret |= dib7000m_write_word(state, 182 + o, 8192); - // P_pha3_thres - ret |= dib7000m_write_word(state, 195 + o, 0x0ccd); - // P_cti_use_cpe, P_cti_use_prog - ret |= dib7000m_write_word(state, 196 + o, 0); - // P_cspu_regul, P_cspu_win_cut - ret |= dib7000m_write_word(state, 205 + o, 0x200f); - // P_adp_regul_cnt - ret |= dib7000m_write_word(state, 214 + o, 0x023d); - // P_adp_noise_cnt - ret |= dib7000m_write_word(state, 215 + o, 0x00a4); - // P_adp_regul_ext - ret |= dib7000m_write_word(state, 216 + o, 0x00a4); - // P_adp_noise_ext - ret |= dib7000m_write_word(state, 217 + o, 0x7ff0); - // P_adp_fil - ret |= dib7000m_write_word(state, 218 + o, 0x3ccc); - - // P_2d_byp_ti_num - ret |= dib7000m_write_word(state, 226 + o, 0); - - // P_fec_* - ret |= dib7000m_write_word(state, 281 + o, 0x0010); - // P_smo_mode, P_smo_rs_discard, P_smo_fifo_flush, P_smo_pid_parse, P_smo_error_discard - ret |= dib7000m_write_word(state, 294 + o,0x0062); - - // P_iqc_alpha_pha, P_iqc_alpha_amp, P_iqc_dcc_alpha, ... - if(state->cfg.tuner_is_baseband) - ret |= dib7000m_write_word(state, 36, 0x0755); - else - ret |= dib7000m_write_word(state, 36, 0x1f55); - - // auto search configuration - ret |= dib7000m_write_word(state, 2, 0x0004); - ret |= dib7000m_write_word(state, 3, 0x1000); - ret |= dib7000m_write_word(state, 4, 0x0814); - ret |= dib7000m_write_word(state, 6, 0x001b); - ret |= dib7000m_write_word(state, 7, 0x7740); - ret |= dib7000m_write_word(state, 8, 0x005b); - ret |= dib7000m_write_word(state, 9, 0x8d80); - ret |= dib7000m_write_word(state, 10, 0x01c9); - ret |= dib7000m_write_word(state, 11, 0xc380); - ret |= dib7000m_write_word(state, 12, 0x0000); - ret |= dib7000m_write_word(state, 13, 0x0080); - ret |= dib7000m_write_word(state, 14, 0x0000); - ret |= dib7000m_write_word(state, 15, 0x0090); - ret |= dib7000m_write_word(state, 16, 0x0001); - ret |= dib7000m_write_word(state, 17, 0xd4c0); - ret |= dib7000m_write_word(state, 263 + o,0x0001); - - // P_divclksel=3 P_divbitsel=1 - if (state->revision == 0x4000) - dib7000m_write_word(state, 909, (3 << 10) | (1 << 6)); - else - dib7000m_write_word(state, 909, (3 << 4) | 1); - - // Tuner IO bank: max drive (14mA) - ret |= dib7000m_write_word(state, 912 ,0x2c8a); + dprintk( "could not start Slow ADC"); - ret |= dib7000m_write_word(state, 1817, 1); - - return ret; + return 0; } static int dib7000m_sleep(struct dvb_frontend *demod) { struct dib7000m_state *st = demod->demodulator_priv; dib7000m_set_output_mode(st, OUTMODE_HIGH_Z); - return dib7000m_set_power_mode(st, DIB7000M_POWER_INTERFACE_ONLY) | - dib7000m_set_adc_state(st, DIBX000_SLOW_ADC_OFF) | + dib7000m_set_power_mode(st, DIB7000M_POWER_INTERFACE_ONLY); + return dib7000m_set_adc_state(st, DIBX000_SLOW_ADC_OFF) | dib7000m_set_adc_state(st, DIBX000_ADC_OFF); } static int dib7000m_identify(struct dib7000m_state *state) { u16 value; + if ((value = dib7000m_read_word(state, 896)) != 0x01b3) { - dprintk("-E- DiB7000M: wrong Vendor ID (read=0x%x)\n",value); + dprintk( "wrong Vendor ID (0x%x)",value); return -EREMOTEIO; } state->revision = dib7000m_read_word(state, 897); if (state->revision != 0x4000 && state->revision != 0x4001 && - state->revision != 0x4002) { - dprintk("-E- DiB7000M: wrong Device ID (%x)\n",value); + state->revision != 0x4002 && + state->revision != 0x4003) { + dprintk( "wrong Device ID (0x%x)",value); return -EREMOTEIO; } /* protect this driver to be used with 7000PC */ if (state->revision == 0x4000 && dib7000m_read_word(state, 769) == 0x4000) { - dprintk("-E- DiB7000M: this driver does not work with DiB7000PC\n"); + dprintk( "this driver does not work with DiB7000PC"); return -EREMOTEIO; } switch (state->revision) { - case 0x4000: dprintk("-I- found DiB7000MA/PA/MB/PB\n"); break; - case 0x4001: state->reg_offs = 1; dprintk("-I- found DiB7000HC\n"); break; - case 0x4002: state->reg_offs = 1; dprintk("-I- found DiB7000MC\n"); break; + case 0x4000: dprintk( "found DiB7000MA/PA/MB/PB"); break; + case 0x4001: state->reg_offs = 1; dprintk( "found DiB7000HC"); break; + case 0x4002: state->reg_offs = 1; dprintk( "found DiB7000MC"); break; + case 0x4003: state->reg_offs = 1; dprintk( "found DiB9000"); break; } return 0; @@ -966,41 +1171,45 @@ static int dib7000m_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *fep) { struct dib7000m_state *state = fe->demodulator_priv; - struct dibx000_ofdm_channel ch; - - INIT_OFDM_CHANNEL(&ch); - FEP2DIB(fep,&ch); + int time; state->current_bandwidth = fep->u.ofdm.bandwidth; - dib7000m_set_bandwidth(fe, fep->u.ofdm.bandwidth); + dib7000m_set_bandwidth(state, BANDWIDTH_TO_KHZ(fep->u.ofdm.bandwidth)); if (fe->ops.tuner_ops.set_params) fe->ops.tuner_ops.set_params(fe, fep); + /* start up the AGC */ + state->agc_state = 0; + do { + time = dib7000m_agc_startup(fe, fep); + if (time != -1) + msleep(time); + } while (time != -1); + 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 = 800, found; - dib7000m_autosearch_start(fe, &ch); + dib7000m_autosearch_start(fe, fep); do { msleep(1); found = dib7000m_autosearch_is_irq(fe); } while (found == 0 && i--); - dprintk("autosearch returns: %d\n",found); + dprintk("autosearch returns: %d",found); if (found == 0 || found == 1) return 0; // no channel found dib7000m_get_frontend(fe, fep); - FEP2DIB(fep, &ch); } /* make this a config parameter */ dib7000m_set_output_mode(state, OUTMODE_MPEG2_FIFO); - return dib7000m_tune(fe, &ch); + return dib7000m_tune(fe, fep); } static int dib7000m_read_status(struct dvb_frontend *fe, fe_status_t *stat) @@ -1087,7 +1296,7 @@ int dib7000m_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, u8 defau if (dib7000m_identify(&st) != 0) { st.i2c_addr = default_addr; if (dib7000m_identify(&st) != 0) { - dprintk("DiB7000M #%d: not identified\n", k); + dprintk("DiB7000M #%d: not identified", k); return -EIO; } } @@ -1100,7 +1309,7 @@ int dib7000m_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, u8 defau /* set new i2c address and force divstart */ dib7000m_write_word(&st, 1794, (new_addr << 2) | 0x2); - dprintk("IC %d initialized (to i2c_address 0x%x)\n", k, new_addr); + dprintk("IC %d initialized (to i2c_address 0x%x)", k, new_addr); } for (k = 0; k < no_of_demods; k++) { @@ -1135,6 +1344,8 @@ struct dvb_frontend * dib7000m_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr, demod->demodulator_priv = st; memcpy(&st->demod.ops, &dib7000m_ops, sizeof(struct dvb_frontend_ops)); + st->timf_default = cfg->bw->timf; + if (dib7000m_identify(st) != 0) goto error; @@ -1172,7 +1383,7 @@ static struct dvb_frontend_ops dib7000m_ops = { .release = dib7000m_release, - .init = dib7000m_init, + .init = dib7000m_wakeup, .sleep = dib7000m_sleep, .set_frontend = dib7000m_set_frontend, |