#define LAYER_B 2
#define LAYER_C 3
-#define FE_CALLBACK_TIME_NEVER 0xffffffff
#define MAX_NUMBER_OF_FRONTENDS 6
+/* #define DIB8000_AGC_FREEZE */
static int debug;
module_param(debug, int, 0644);
#define dprintk(args...) do { if (debug) { printk(KERN_DEBUG "DiB8000: "); printk(args); printk("\n"); } } while (0)
-#define FE_STATUS_TUNE_FAILED 0
-
struct i2c_device {
struct i2c_adapter *adap;
u8 addr;
struct mutex *i2c_buffer_lock;
};
+enum param_loop_step {
+ LOOP_TUNE_1,
+ LOOP_TUNE_2
+};
+
+enum dib8000_autosearch_step {
+ AS_START = 0,
+ AS_SEARCHING_FFT,
+ AS_SEARCHING_GUARD,
+ AS_DONE = 100,
+};
+
+enum timeout_mode {
+ SYMBOL_DEPENDENT_OFF = 0,
+ SYMBOL_DEPENDENT_ON,
+};
+
struct dib8000_state {
struct dib8000_config cfg;
u16 revision;
u8 isdbt_cfg_loaded;
enum frontend_tune_state tune_state;
- u32 status;
+ s32 status;
struct dvb_frontend *fe[MAX_NUMBER_OF_FRONTENDS];
u16 tuner_enable;
struct i2c_adapter dib8096p_tuner_adap;
+ u16 current_demod_bw;
+
+ u16 seg_mask;
+ u16 seg_diff_mask;
+ u16 mode;
+ u8 layer_b_nb_seg;
+ u8 layer_c_nb_seg;
+
+ u8 channel_parameters_set;
+ u16 autosearch_state;
+ u16 found_nfft;
+ u16 found_guard;
+ u8 subchannel;
+ u8 symbol_duration;
+ u32 timeout;
+ u8 longest_intlv_layer;
+ u16 output_mode;
+
+#ifdef DIB8000_AGC_FREEZE
+ u16 agc1_max;
+ u16 agc1_min;
+ u16 agc2_max;
+ u16 agc2_min;
+#endif
};
enum dib8000_power_mode {
static int dib8000_set_output_mode(struct dvb_frontend *fe, int mode)
{
struct dib8000_state *state = fe->demodulator_priv;
-
u16 outreg, fifo_threshold, smo_mode, sram = 0x0205; /* by default SDRAM deintlv is enabled */
+ state->output_mode = mode;
outreg = 0;
fifo_threshold = 1792;
smo_mode = (dib8000_read_word(state, 299) & 0x0050) | (1 << 1);
static int dib8000_set_diversity_in(struct dvb_frontend *fe, int onoff)
{
struct dib8000_state *state = fe->demodulator_priv;
- u16 sync_wait = dib8000_read_word(state, 273) & 0xfff0;
+ u16 tmp, sync_wait = dib8000_read_word(state, 273) & 0xfff0;
+ dprintk("set diversity input to %i", onoff);
if (!state->differential_constellation) {
dib8000_write_word(state, 272, 1 << 9); //dvsy_off_lmod4 = 1
dib8000_write_word(state, 273, sync_wait | (1 << 2) | 2); // sync_enable = 1; comb_mode = 2
dib8000_write_word(state, 271, 1);
break;
}
+
+ if (state->revision == 0x8002) {
+ tmp = dib8000_read_word(state, 903);
+ dib8000_write_word(state, 903, tmp & ~(1 << 3));
+ msleep(30);
+ dib8000_write_word(state, 903, tmp | (1 << 3));
+ }
return 0;
}
dib8000_write_word(state, 1280, reg_1280);
}
-static int dib8000_init_sdram(struct dib8000_state *state)
-{
- u16 reg = 0;
- dprintk("Init sdram");
-
- reg = dib8000_read_word(state, 274)&0xfff0;
- /* P_dintlv_delay_ram = 7 because of MobileSdram */
- dib8000_write_word(state, 274, reg | 0x7);
-
- dib8000_write_word(state, 1803, (7<<2));
-
- reg = dib8000_read_word(state, 1280);
- /* force restart P_restart_sdram */
- dib8000_write_word(state, 1280, reg | (1<<2));
-
- /* release restart P_restart_sdram */
- dib8000_write_word(state, 1280, reg);
-
- return 0;
-}
-
static int dib8000_set_adc_state(struct dib8000_state *state, enum dibx000_adc_states no)
{
int ret = 0;
static int dib8000_sad_calib(struct dib8000_state *state)
{
+ u8 sad_sel = 3;
+
if (state->revision == 0x8090) {
- dprintk("%s: the sad calibration is not needed for the dib8096P",
- __func__);
- return 0;
- }
- /* internal */
- dib8000_write_word(state, 923, (0 << 1) | (0 << 0));
- dib8000_write_word(state, 924, 776); // 0.625*3.3 / 4096
+ dib8000_write_word(state, 922, (sad_sel << 2));
+ dib8000_write_word(state, 923, 2048);
+
+ dib8000_write_word(state, 922, (sad_sel << 2) | 0x1);
+ dib8000_write_word(state, 922, (sad_sel << 2));
+ } else {
+ /* internal */
+ dib8000_write_word(state, 923, (0 << 1) | (0 << 0));
+ dib8000_write_word(state, 924, 776);
- /* do the calibration */
- dib8000_write_word(state, 923, (1 << 0));
- dib8000_write_word(state, 923, (0 << 0));
+ /* do the calibration */
+ dib8000_write_word(state, 923, (1 << 0));
+ dib8000_write_word(state, 923, (0 << 0));
+ }
msleep(1);
return 0;
state->wbd_ref = value;
return dib8000_write_word(state, 106, value);
}
-
EXPORT_SYMBOL(dib8000_set_wbd_ref);
+
static void dib8000_reset_pll_common(struct dib8000_state *state, const struct dibx000_bandwidth_config *bw)
{
dprintk("ifreq: %d %x, inversion: %d", bw->ifreq, bw->ifreq, bw->ifreq >> 25);
}
int dib8000_update_pll(struct dvb_frontend *fe,
- struct dibx000_bandwidth_config *pll)
+ struct dibx000_bandwidth_config *pll, u32 bw, u8 ratio)
{
struct dib8000_state *state = fe->demodulator_priv;
u16 reg_1857, reg_1856 = dib8000_read_word(state, 1856);
- u8 loopdiv, prediv;
+ u8 loopdiv, prediv, oldprediv = state->cfg.pll->pll_prediv ;
u32 internal, xtal;
/* get back old values */
prediv = reg_1856 & 0x3f;
loopdiv = (reg_1856 >> 6) & 0x3f;
- if ((pll != NULL) && (pll->pll_prediv != prediv ||
- pll->pll_ratio != loopdiv)) {
- dprintk("Updating pll (prediv: old = %d new = %d ; loopdiv : old = %d new = %d)", prediv, pll->pll_prediv, loopdiv, pll->pll_ratio);
+ if ((pll == NULL) || (pll->pll_prediv == prediv &&
+ pll->pll_ratio == loopdiv))
+ return -EINVAL;
+
+ dprintk("Updating pll (prediv: old = %d new = %d ; loopdiv : old = %d new = %d)", prediv, pll->pll_prediv, loopdiv, pll->pll_ratio);
+ if (state->revision == 0x8090) {
reg_1856 &= 0xf000;
reg_1857 = dib8000_read_word(state, 1857);
/* disable PLL */
reg_1856 = dib8000_read_word(state, 1856);
dprintk("PLL Updated with prediv = %d and loopdiv = %d",
reg_1856&0x3f, (reg_1856>>6)&0x3f);
+ } else {
+ if (bw != state->current_demod_bw) {
+ /** Bandwidth change => force PLL update **/
+ dprintk("PLL: Bandwidth Change %d MHz -> %d MHz (prediv: %d->%d)", state->current_demod_bw / 1000, bw / 1000, oldprediv, state->cfg.pll->pll_prediv);
+
+ if (state->cfg.pll->pll_prediv != oldprediv) {
+ /** Full PLL change only if prediv is changed **/
+
+ /** full update => bypass and reconfigure **/
+ dprintk("PLL: New Setting for %d MHz Bandwidth (prediv: %d, ratio: %d)", bw/1000, state->cfg.pll->pll_prediv, state->cfg.pll->pll_ratio);
+ dib8000_write_word(state, 902, dib8000_read_word(state, 902) | (1<<3)); /* bypass PLL */
+ dib8000_reset_pll(state);
+ dib8000_write_word(state, 898, 0x0004); /* sad */
+ } else
+ ratio = state->cfg.pll->pll_ratio;
- return 0;
- }
- return -EINVAL;
+ state->current_demod_bw = bw;
+ }
+
+ if (ratio != 0) {
+ /** ratio update => only change ratio **/
+ dprintk("PLL: Update ratio (prediv: %d, ratio: %d)", state->cfg.pll->pll_prediv, ratio);
+ dib8000_write_word(state, 901, (state->cfg.pll->pll_prediv << 8) | (ratio << 0)); /* only the PLL ratio is updated. */
+ }
+}
+
+ return 0;
}
EXPORT_SYMBOL(dib8000_update_pll);
dib8000_set_power_mode(state, DIB8000_POWER_ALL);
/* always leave the VBG voltage on - it consumes almost nothing but takes a long time to start */
- dib8000_set_adc_state(state, DIBX000_VBG_ENABLE);
+ dib8000_set_adc_state(state, DIBX000_ADC_OFF);
/* restart all parts */
dib8000_write_word(state, 770, 0xffff);
l = *n++;
}
}
- if (state->revision != 0x8090)
- dib8000_write_word(state, 903, (0 << 4) | 2);
+
state->isdbt_cfg_loaded = 0;
//div_cfg override for special configs
- if (state->cfg.div_cfg != 0)
+ if ((state->revision != 8090) && (state->cfg.div_cfg != 0))
dib8000_write_word(state, 903, state->cfg.div_cfg);
/* unforce divstr regardless whether i2c enumeration was done or not */
dib8000_set_bandwidth(fe, 6000);
dib8000_set_adc_state(state, DIBX000_SLOW_ADC_ON);
- if (state->revision != 0x8090) {
- dib8000_sad_calib(state);
+ dib8000_sad_calib(state);
+ if (state->revision != 0x8090)
dib8000_set_adc_state(state, DIBX000_SLOW_ADC_OFF);
- }
+
+ /* ber_rs_len = 3 */
+ dib8000_write_word(state, 285, (dib8000_read_word(state, 285) & ~0x60) | (3 << 5));
dib8000_set_power_mode(state, DIB8000_POWER_INTERFACE_ONLY);
u8 prefer_mpeg_mux_use = 1;
int ret = 0;
+ state->output_mode = mode;
dib8096p_host_bus_drive(state, 1);
fifo_threshold = 1792;
};
static const u8 permu_seg[] = { 6, 5, 7, 4, 8, 3, 9, 2, 10, 1, 11, 0, 12 };
-static void dib8000_set_channel(struct dib8000_state *state, u8 seq, u8 autosearching)
+static u16 dib8000_set_layer(struct dib8000_state *state, u8 layer_index, u16 max_constellation)
{
- u16 mode, max_constellation, seg_diff_mask = 0, nbseg_diff = 0;
- u8 guard, crate, constellation, timeI;
- u16 i, coeff[4], P_cfr_left_edge = 0, P_cfr_right_edge = 0, seg_mask13 = 0x1fff; // All 13 segments enabled
- const s16 *ncoeff = NULL, *ana_fe;
- u16 tmcc_pow = 0;
- u16 coff_pow = 0x2800;
- u16 init_prbs = 0xfff;
- u16 ana_gain = 0;
-
- if (state->revision == 0x8090)
- dib8000_init_sdram(state);
-
- if (state->ber_monitored_layer != LAYER_ALL)
- dib8000_write_word(state, 285, (dib8000_read_word(state, 285) & 0x60) | state->ber_monitored_layer);
- else
- dib8000_write_word(state, 285, dib8000_read_word(state, 285) & 0x60);
-
- i = dib8000_read_word(state, 26) & 1; // P_dds_invspec
- dib8000_write_word(state, 26, state->fe[0]->dtv_property_cache.inversion^i);
-
- if (state->fe[0]->dtv_property_cache.isdbt_sb_mode) {
- //compute new dds_freq for the seg and adjust prbs
- int seg_offset =
- state->fe[0]->dtv_property_cache.isdbt_sb_segment_idx -
- (state->fe[0]->dtv_property_cache.isdbt_sb_segment_count / 2) -
- (state->fe[0]->dtv_property_cache.isdbt_sb_segment_count % 2);
- int clk = state->cfg.pll->internal;
- u32 segtodds = ((u32) (430 << 23) / clk) << 3; // segtodds = SegBW / Fclk * pow(2,26)
- int dds_offset = seg_offset * segtodds;
- int new_dds, sub_channel;
- if ((state->fe[0]->dtv_property_cache.isdbt_sb_segment_count % 2) == 0)
- dds_offset -= (int)(segtodds / 2);
-
- if (state->cfg.pll->ifreq == 0) {
- if ((state->fe[0]->dtv_property_cache.inversion ^ i) == 0) {
- dib8000_write_word(state, 26, dib8000_read_word(state, 26) | 1);
- new_dds = dds_offset;
- } else
- new_dds = dds_offset;
-
- // We shift tuning frequency if the wanted segment is :
- // - the segment of center frequency with an odd total number of segments
- // - the segment to the left of center frequency with an even total number of segments
- // - the segment to the right of center frequency with an even total number of segments
- if ((state->fe[0]->dtv_property_cache.delivery_system == SYS_ISDBT)
- && (state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1)
- && (((state->fe[0]->dtv_property_cache.isdbt_sb_segment_count % 2)
- && (state->fe[0]->dtv_property_cache.isdbt_sb_segment_idx ==
- ((state->fe[0]->dtv_property_cache.isdbt_sb_segment_count / 2) + 1)))
- || (((state->fe[0]->dtv_property_cache.isdbt_sb_segment_count % 2) == 0)
- && (state->fe[0]->dtv_property_cache.isdbt_sb_segment_idx == (state->fe[0]->dtv_property_cache.isdbt_sb_segment_count / 2)))
- || (((state->fe[0]->dtv_property_cache.isdbt_sb_segment_count % 2) == 0)
- && (state->fe[0]->dtv_property_cache.isdbt_sb_segment_idx ==
- ((state->fe[0]->dtv_property_cache.isdbt_sb_segment_count / 2) + 1)))
- )) {
- new_dds -= ((u32) (850 << 22) / clk) << 4; // new_dds = 850 (freq shift in KHz) / Fclk * pow(2,26)
- }
- } else {
- if ((state->fe[0]->dtv_property_cache.inversion ^ i) == 0)
- new_dds = state->cfg.pll->ifreq - dds_offset;
- else
- new_dds = state->cfg.pll->ifreq + dds_offset;
- }
- dib8000_write_word(state, 27, (u16) ((new_dds >> 16) & 0x01ff));
- dib8000_write_word(state, 28, (u16) (new_dds & 0xffff));
- if (state->fe[0]->dtv_property_cache.isdbt_sb_segment_count % 2)
- sub_channel = ((state->fe[0]->dtv_property_cache.isdbt_sb_subchannel + (3 * seg_offset) + 1) % 41) / 3;
- else
- sub_channel = ((state->fe[0]->dtv_property_cache.isdbt_sb_subchannel + (3 * seg_offset)) % 41) / 3;
- sub_channel -= 6;
-
- if (state->fe[0]->dtv_property_cache.transmission_mode == TRANSMISSION_MODE_2K
- || state->fe[0]->dtv_property_cache.transmission_mode == TRANSMISSION_MODE_4K) {
- dib8000_write_word(state, 219, dib8000_read_word(state, 219) | 0x1); //adp_pass =1
- dib8000_write_word(state, 190, dib8000_read_word(state, 190) | (0x1 << 14)); //pha3_force_pha_shift = 1
- } else {
- dib8000_write_word(state, 219, dib8000_read_word(state, 219) & 0xfffe); //adp_pass =0
- dib8000_write_word(state, 190, dib8000_read_word(state, 190) & 0xbfff); //pha3_force_pha_shift = 0
- }
-
- switch (state->fe[0]->dtv_property_cache.transmission_mode) {
- case TRANSMISSION_MODE_2K:
- switch (sub_channel) {
- case -6:
- init_prbs = 0x0;
- break; // 41, 0, 1
- case -5:
- init_prbs = 0x423;
- break; // 02~04
- case -4:
- init_prbs = 0x9;
- break; // 05~07
- case -3:
- init_prbs = 0x5C7;
- break; // 08~10
- case -2:
- init_prbs = 0x7A6;
- break; // 11~13
- case -1:
- init_prbs = 0x3D8;
- break; // 14~16
- case 0:
- init_prbs = 0x527;
- break; // 17~19
- case 1:
- init_prbs = 0x7FF;
- break; // 20~22
- case 2:
- init_prbs = 0x79B;
- break; // 23~25
- case 3:
- init_prbs = 0x3D6;
- break; // 26~28
- case 4:
- init_prbs = 0x3A2;
- break; // 29~31
- case 5:
- init_prbs = 0x53B;
- break; // 32~34
- case 6:
- init_prbs = 0x2F4;
- break; // 35~37
- default:
- case 7:
- init_prbs = 0x213;
- break; // 38~40
- }
- break;
-
- case TRANSMISSION_MODE_4K:
- switch (sub_channel) {
- case -6:
- init_prbs = 0x0;
- break; // 41, 0, 1
- case -5:
- init_prbs = 0x208;
- break; // 02~04
- case -4:
- init_prbs = 0xC3;
- break; // 05~07
- case -3:
- init_prbs = 0x7B9;
- break; // 08~10
- case -2:
- init_prbs = 0x423;
- break; // 11~13
- case -1:
- init_prbs = 0x5C7;
- break; // 14~16
- case 0:
- init_prbs = 0x3D8;
- break; // 17~19
- case 1:
- init_prbs = 0x7FF;
- break; // 20~22
- case 2:
- init_prbs = 0x3D6;
- break; // 23~25
- case 3:
- init_prbs = 0x53B;
- break; // 26~28
- case 4:
- init_prbs = 0x213;
- break; // 29~31
- case 5:
- init_prbs = 0x29;
- break; // 32~34
- case 6:
- init_prbs = 0xD0;
- break; // 35~37
- default:
- case 7:
- init_prbs = 0x48E;
- break; // 38~40
- }
- break;
-
- default:
- case TRANSMISSION_MODE_8K:
- switch (sub_channel) {
- case -6:
- init_prbs = 0x0;
- break; // 41, 0, 1
- case -5:
- init_prbs = 0x740;
- break; // 02~04
- case -4:
- init_prbs = 0x069;
- break; // 05~07
- case -3:
- init_prbs = 0x7DD;
- break; // 08~10
- case -2:
- init_prbs = 0x208;
- break; // 11~13
- case -1:
- init_prbs = 0x7B9;
- break; // 14~16
- case 0:
- init_prbs = 0x5C7;
- break; // 17~19
- case 1:
- init_prbs = 0x7FF;
- break; // 20~22
- case 2:
- init_prbs = 0x53B;
- break; // 23~25
- case 3:
- init_prbs = 0x29;
- break; // 26~28
- case 4:
- init_prbs = 0x48E;
- break; // 29~31
- case 5:
- init_prbs = 0x4C4;
- break; // 32~34
- case 6:
- init_prbs = 0x367;
- break; // 33~37
- default:
- case 7:
- init_prbs = 0x684;
- break; // 38~40
- }
- break;
- }
- } else {
- dib8000_write_word(state, 27, (u16) ((state->cfg.pll->ifreq >> 16) & 0x01ff));
- dib8000_write_word(state, 28, (u16) (state->cfg.pll->ifreq & 0xffff));
- dib8000_write_word(state, 26, (u16) ((state->cfg.pll->ifreq >> 25) & 0x0003));
- }
- /*P_mode == ?? */
- dib8000_write_word(state, 10, (seq << 4));
- // dib8000_write_word(state, 287, (dib8000_read_word(state, 287) & 0xe000) | 0x1000);
-
- switch (state->fe[0]->dtv_property_cache.guard_interval) {
- case GUARD_INTERVAL_1_32:
- guard = 0;
- break;
- case GUARD_INTERVAL_1_16:
- guard = 1;
- break;
- case GUARD_INTERVAL_1_8:
- guard = 2;
- break;
- case GUARD_INTERVAL_1_4:
- default:
- guard = 3;
- break;
- }
-
- dib8000_write_word(state, 1, (init_prbs << 2) | (guard & 0x3)); // ADDR 1
+ u8 cr, constellation, time_intlv;
- max_constellation = DQPSK;
- for (i = 0; i < 3; i++) {
- switch (state->fe[0]->dtv_property_cache.layer[i].modulation) {
- case DQPSK:
+ switch (state->fe[0]->dtv_property_cache.layer[layer_index].modulation) {
+ case DQPSK:
constellation = 0;
break;
- case QPSK:
+ case QPSK:
constellation = 1;
break;
- case QAM_16:
+ case QAM_16:
constellation = 2;
break;
- case QAM_64:
- default:
+ case QAM_64:
+ default:
constellation = 3;
break;
- }
+ }
- switch (state->fe[0]->dtv_property_cache.layer[i].fec) {
- case FEC_1_2:
- crate = 1;
+ switch (state->fe[0]->dtv_property_cache.layer[layer_index].fec) {
+ case FEC_1_2:
+ cr = 1;
break;
- case FEC_2_3:
- crate = 2;
+ case FEC_2_3:
+ cr = 2;
break;
- case FEC_3_4:
- crate = 3;
+ case FEC_3_4:
+ cr = 3;
break;
- case FEC_5_6:
- crate = 5;
+ case FEC_5_6:
+ cr = 5;
break;
- case FEC_7_8:
- default:
- crate = 7;
+ case FEC_7_8:
+ default:
+ cr = 7;
break;
- }
+ }
- if ((state->fe[0]->dtv_property_cache.layer[i].interleaving > 0) &&
- ((state->fe[0]->dtv_property_cache.layer[i].interleaving <= 3) ||
- (state->fe[0]->dtv_property_cache.layer[i].interleaving == 4 && state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1))
- )
- timeI = state->fe[0]->dtv_property_cache.layer[i].interleaving;
- else
- timeI = 0;
- dib8000_write_word(state, 2 + i, (constellation << 10) | ((state->fe[0]->dtv_property_cache.layer[i].segment_count & 0xf) << 6) |
- (crate << 3) | timeI);
- if (state->fe[0]->dtv_property_cache.layer[i].segment_count > 0) {
- switch (max_constellation) {
- case DQPSK:
- case QPSK:
- if (state->fe[0]->dtv_property_cache.layer[i].modulation == QAM_16 ||
- state->fe[0]->dtv_property_cache.layer[i].modulation == QAM_64)
- max_constellation = state->fe[0]->dtv_property_cache.layer[i].modulation;
+ if ((state->fe[0]->dtv_property_cache.layer[layer_index].interleaving > 0) && ((state->fe[0]->dtv_property_cache.layer[layer_index].interleaving <= 3) || (state->fe[0]->dtv_property_cache.layer[layer_index].interleaving == 4 && state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1)))
+ time_intlv = state->fe[0]->dtv_property_cache.layer[layer_index].interleaving;
+ else
+ time_intlv = 0;
+
+ dib8000_write_word(state, 2 + layer_index, (constellation << 10) | ((state->fe[0]->dtv_property_cache.layer[layer_index].segment_count & 0xf) << 6) | (cr << 3) | time_intlv);
+ if (state->fe[0]->dtv_property_cache.layer[layer_index].segment_count > 0) {
+ switch (max_constellation) {
+ case DQPSK:
+ case QPSK:
+ if (state->fe[0]->dtv_property_cache.layer[layer_index].modulation == QAM_16 || state->fe[0]->dtv_property_cache.layer[layer_index].modulation == QAM_64)
+ max_constellation = state->fe[0]->dtv_property_cache.layer[layer_index].modulation;
break;
- case QAM_16:
- if (state->fe[0]->dtv_property_cache.layer[i].modulation == QAM_64)
- max_constellation = state->fe[0]->dtv_property_cache.layer[i].modulation;
+ case QAM_16:
+ if (state->fe[0]->dtv_property_cache.layer[layer_index].modulation == QAM_64)
+ max_constellation = state->fe[0]->dtv_property_cache.layer[layer_index].modulation;
break;
- }
}
}
- mode = fft_to_mode(state);
+ return max_constellation;
+}
+
+static const u16 adp_Q64[4] = {0x0148, 0xfff0, 0x00a4, 0xfff8}; /* P_adp_regul_cnt 0.04, P_adp_noise_cnt -0.002, P_adp_regul_ext 0.02, P_adp_noise_ext -0.001 */
+static const u16 adp_Q16[4] = {0x023d, 0xffdf, 0x00a4, 0xfff0}; /* P_adp_regul_cnt 0.07, P_adp_noise_cnt -0.004, P_adp_regul_ext 0.02, P_adp_noise_ext -0.002 */
+static const u16 adp_Qdefault[4] = {0x099a, 0xffae, 0x0333, 0xfff8}; /* P_adp_regul_cnt 0.3, P_adp_noise_cnt -0.01, P_adp_regul_ext 0.1, P_adp_noise_ext -0.002 */
+static u16 dib8000_adp_fine_tune(struct dib8000_state *state, u16 max_constellation)
+{
+ u16 i, ana_gain = 0;
+ const u16 *adp;
+
+ /* channel estimation fine configuration */
+ switch (max_constellation) {
+ case QAM_64:
+ ana_gain = 0x7;
+ adp = &adp_Q64[0];
+ break;
+ case QAM_16:
+ ana_gain = 0x7;
+ adp = &adp_Q16[0];
+ break;
+ default:
+ ana_gain = 0;
+ adp = &adp_Qdefault[0];
+ break;
+ }
+
+ for (i = 0; i < 4; i++)
+ dib8000_write_word(state, 215 + i, adp[i]);
- //dib8000_write_word(state, 5, 13); /*p_last_seg = 13*/
+ return ana_gain;
+}
- dib8000_write_word(state, 274, (dib8000_read_word(state, 274) & 0xffcf) |
- ((state->fe[0]->dtv_property_cache.isdbt_partial_reception & 1) << 5) | ((state->fe[0]->dtv_property_cache.
- isdbt_sb_mode & 1) << 4));
+static void dib8000_update_ana_gain(struct dib8000_state *state, u16 ana_gain)
+{
+ u16 i;
- dprintk("mode = %d ; guard = %d", mode, state->fe[0]->dtv_property_cache.guard_interval);
+ dib8000_write_word(state, 116, ana_gain);
- /* signal optimization parameter */
+ /* update ADC target depending on ana_gain */
+ if (ana_gain) { /* set -16dB ADC target for ana_gain=-1 */
+ for (i = 0; i < 10; i++)
+ dib8000_write_word(state, 80 + i, adc_target_16dB[i]);
+ } else { /* set -22dB ADC target for ana_gain=0 */
+ for (i = 0; i < 10; i++)
+ dib8000_write_word(state, 80 + i, adc_target_16dB[i] - 355);
+ }
+}
- if (state->fe[0]->dtv_property_cache.isdbt_partial_reception) {
- seg_diff_mask = (state->fe[0]->dtv_property_cache.layer[0].modulation == DQPSK) << permu_seg[0];
- for (i = 1; i < 3; i++)
- nbseg_diff +=
- (state->fe[0]->dtv_property_cache.layer[i].modulation == DQPSK) * state->fe[0]->dtv_property_cache.layer[i].segment_count;
- for (i = 0; i < nbseg_diff; i++)
- seg_diff_mask |= 1 << permu_seg[i + 1];
- } else {
- for (i = 0; i < 3; i++)
- nbseg_diff +=
- (state->fe[0]->dtv_property_cache.layer[i].modulation == DQPSK) * state->fe[0]->dtv_property_cache.layer[i].segment_count;
- for (i = 0; i < nbseg_diff; i++)
- seg_diff_mask |= 1 << permu_seg[i];
+static void dib8000_load_ana_fe_coefs(struct dib8000_state *state, const s16 *ana_fe)
+{
+ u16 mode = 0;
+
+ if (state->isdbt_cfg_loaded == 0)
+ for (mode = 0; mode < 24; mode++)
+ dib8000_write_word(state, 117 + mode, ana_fe[mode]);
+}
+
+static const u16 lut_prbs_2k[14] = {
+ 0, 0x423, 0x009, 0x5C7, 0x7A6, 0x3D8, 0x527, 0x7FF, 0x79B, 0x3D6, 0x3A2, 0x53B, 0x2F4, 0x213
+};
+static const u16 lut_prbs_4k[14] = {
+ 0, 0x208, 0x0C3, 0x7B9, 0x423, 0x5C7, 0x3D8, 0x7FF, 0x3D6, 0x53B, 0x213, 0x029, 0x0D0, 0x48E
+};
+static const u16 lut_prbs_8k[14] = {
+ 0, 0x740, 0x069, 0x7DD, 0x208, 0x7B9, 0x5C7, 0x7FF, 0x53B, 0x029, 0x48E, 0x4C4, 0x367, 0x684
+};
+
+static u16 dib8000_get_init_prbs(struct dib8000_state *state, u16 subchannel)
+{
+ int sub_channel_prbs_group = 0;
+
+ sub_channel_prbs_group = (subchannel / 3) + 1;
+ dprintk("sub_channel_prbs_group = %d , subchannel =%d prbs = 0x%04x", sub_channel_prbs_group, subchannel, lut_prbs_8k[sub_channel_prbs_group]);
+
+ switch (state->fe[0]->dtv_property_cache.transmission_mode) {
+ case TRANSMISSION_MODE_2K:
+ return lut_prbs_2k[sub_channel_prbs_group];
+ case TRANSMISSION_MODE_4K:
+ return lut_prbs_4k[sub_channel_prbs_group];
+ default:
+ case TRANSMISSION_MODE_8K:
+ return lut_prbs_8k[sub_channel_prbs_group];
}
- dprintk("nbseg_diff = %X (%d)", seg_diff_mask, seg_diff_mask);
+}
- state->differential_constellation = (seg_diff_mask != 0);
- if (state->revision != 0x8090)
- dib8000_set_diversity_in(state->fe[0], state->diversity_onoff);
- else
- dib8096p_set_diversity_in(state->fe[0], state->diversity_onoff);
+static void dib8000_set_13seg_channel(struct dib8000_state *state)
+{
+ u16 i;
+ u16 coff_pow = 0x2800;
+
+ state->seg_mask = 0x1fff; /* All 13 segments enabled */
- if (state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1) {
- if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 1)
- seg_mask13 = 0x00E0;
- else // 1-segment
- seg_mask13 = 0x0040;
- } else
- seg_mask13 = 0x1fff;
+ /* ---- COFF ---- Carloff, the most robust --- */
+ if (state->isdbt_cfg_loaded == 0) { /* if not Sound Broadcasting mode : put default values for 13 segments */
+ dib8000_write_word(state, 180, (16 << 6) | 9);
+ dib8000_write_word(state, 187, (4 << 12) | (8 << 5) | 0x2);
+ coff_pow = 0x2800;
+ for (i = 0; i < 6; i++)
+ dib8000_write_word(state, 181+i, coff_pow);
- // WRITE: Mode & Diff mask
- dib8000_write_word(state, 0, (mode << 13) | seg_diff_mask);
+ /* P_ctrl_corm_thres4pre_freq_inh=1, P_ctrl_pre_freq_mode_sat=1 */
+ /* P_ctrl_pre_freq_mode_sat=1, P_ctrl_pre_freq_inh=0, P_ctrl_pre_freq_step = 3, P_pre_freq_win_len=1 */
+ dib8000_write_word(state, 338, (1 << 12) | (1 << 10) | (0 << 9) | (3 << 5) | 1);
- if ((seg_diff_mask) || (state->fe[0]->dtv_property_cache.isdbt_sb_mode))
- dib8000_write_word(state, 268, (dib8000_read_word(state, 268) & 0xF9FF) | 0x0200);
- else
- dib8000_write_word(state, 268, (2 << 9) | 39); //init value
+ /* P_ctrl_pre_freq_win_len=8, P_ctrl_pre_freq_thres_lockin=6 */
+ dib8000_write_word(state, 340, (8 << 6) | (6 << 0));
+ /* P_ctrl_pre_freq_thres_lockout=4, P_small_use_tmcc/ac/cp=1 */
+ dib8000_write_word(state, 341, (4 << 3) | (1 << 2) | (1 << 1) | (1 << 0));
+
+ dib8000_write_word(state, 228, 0); /* default value */
+ dib8000_write_word(state, 265, 31); /* default value */
+ dib8000_write_word(state, 205, 0x200f); /* init value */
+ }
+
+ /*
+ * make the cpil_coff_lock more robust but slower p_coff_winlen
+ * 6bits; p_coff_thres_lock 6bits (for coff lock if needed)
+ */
+
+ if (state->cfg.pll->ifreq == 0)
+ dib8000_write_word(state, 266, ~state->seg_mask | state->seg_diff_mask | 0x40); /* P_equal_noise_seg_inh */
- // ---- SMALL ----
- // P_small_seg_diff
- dib8000_write_word(state, 352, seg_diff_mask); // ADDR 352
+ dib8000_load_ana_fe_coefs(state, ana_fe_coeff_13seg);
+}
+
+static void dib8000_set_subchannel_prbs(struct dib8000_state *state, u16 init_prbs)
+{
+ u16 reg_1;
+
+ reg_1 = dib8000_read_word(state, 1);
+ dib8000_write_word(state, 1, (init_prbs << 2) | (reg_1 & 0x3)); /* ADDR 1 */
+}
+
+static void dib8000_small_fine_tune(struct dib8000_state *state)
+{
+ u16 i;
+ const s16 *ncoeff;
- dib8000_write_word(state, 353, seg_mask13); // ADDR 353
+ dib8000_write_word(state, 352, state->seg_diff_mask);
+ dib8000_write_word(state, 353, state->seg_mask);
-/* // P_small_narrow_band=0, P_small_last_seg=13, P_small_offset_num_car=5 */
+ /* P_small_coef_ext_enable=ISDB-Tsb, P_small_narrow_band=ISDB-Tsb, P_small_last_seg=13, P_small_offset_num_car=5 */
+ dib8000_write_word(state, 351, (state->fe[0]->dtv_property_cache.isdbt_sb_mode << 9) | (state->fe[0]->dtv_property_cache.isdbt_sb_mode << 8) | (13 << 4) | 5);
- // ---- SMALL ----
- if (state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1) {
+ if (state->fe[0]->dtv_property_cache.isdbt_sb_mode) {
+ /* ---- SMALL ---- */
switch (state->fe[0]->dtv_property_cache.transmission_mode) {
case TRANSMISSION_MODE_2K:
- if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0) {
- if (state->fe[0]->dtv_property_cache.layer[0].modulation == DQPSK)
- ncoeff = coeff_2k_sb_1seg_dqpsk;
- else // QPSK or QAM
- ncoeff = coeff_2k_sb_1seg;
- } else { // 3-segments
- if (state->fe[0]->dtv_property_cache.layer[0].modulation == DQPSK) {
- if (state->fe[0]->dtv_property_cache.layer[1].modulation == DQPSK)
- ncoeff = coeff_2k_sb_3seg_0dqpsk_1dqpsk;
- else // QPSK or QAM on external segments
- ncoeff = coeff_2k_sb_3seg_0dqpsk;
- } else { // QPSK or QAM on central segment
- if (state->fe[0]->dtv_property_cache.layer[1].modulation == DQPSK)
- ncoeff = coeff_2k_sb_3seg_1dqpsk;
- else // QPSK or QAM on external segments
- ncoeff = coeff_2k_sb_3seg;
+ if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0) { /* 1-seg */
+ if (state->fe[0]->dtv_property_cache.layer[0].modulation == DQPSK) /* DQPSK */
+ ncoeff = coeff_2k_sb_1seg_dqpsk;
+ else /* QPSK or QAM */
+ ncoeff = coeff_2k_sb_1seg;
+ } else { /* 3-segments */
+ if (state->fe[0]->dtv_property_cache.layer[0].modulation == DQPSK) { /* DQPSK on central segment */
+ if (state->fe[0]->dtv_property_cache.layer[1].modulation == DQPSK) /* DQPSK on external segments */
+ ncoeff = coeff_2k_sb_3seg_0dqpsk_1dqpsk;
+ else /* QPSK or QAM on external segments */
+ ncoeff = coeff_2k_sb_3seg_0dqpsk;
+ } else { /* QPSK or QAM on central segment */
+ if (state->fe[0]->dtv_property_cache.layer[1].modulation == DQPSK) /* DQPSK on external segments */
+ ncoeff = coeff_2k_sb_3seg_1dqpsk;
+ else /* QPSK or QAM on external segments */
+ ncoeff = coeff_2k_sb_3seg;
+ }
}
- }
- break;
-
+ break;
case TRANSMISSION_MODE_4K:
- if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0) {
- if (state->fe[0]->dtv_property_cache.layer[0].modulation == DQPSK)
- ncoeff = coeff_4k_sb_1seg_dqpsk;
- else // QPSK or QAM
- ncoeff = coeff_4k_sb_1seg;
- } else { // 3-segments
- if (state->fe[0]->dtv_property_cache.layer[0].modulation == DQPSK) {
- if (state->fe[0]->dtv_property_cache.layer[1].modulation == DQPSK) {
- ncoeff = coeff_4k_sb_3seg_0dqpsk_1dqpsk;
- } else { // QPSK or QAM on external segments
- ncoeff = coeff_4k_sb_3seg_0dqpsk;
+ if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0) { /* 1-seg */
+ if (state->fe[0]->dtv_property_cache.layer[0].modulation == DQPSK) /* DQPSK */
+ ncoeff = coeff_4k_sb_1seg_dqpsk;
+ else /* QPSK or QAM */
+ ncoeff = coeff_4k_sb_1seg;
+ } else { /* 3-segments */
+ if (state->fe[0]->dtv_property_cache.layer[0].modulation == DQPSK) { /* DQPSK on central segment */
+ if (state->fe[0]->dtv_property_cache.layer[1].modulation == DQPSK) /* DQPSK on external segments */
+ ncoeff = coeff_4k_sb_3seg_0dqpsk_1dqpsk;
+ else /* QPSK or QAM on external segments */
+ ncoeff = coeff_4k_sb_3seg_0dqpsk;
+ } else { /* QPSK or QAM on central segment */
+ if (state->fe[0]->dtv_property_cache.layer[1].modulation == DQPSK) /* DQPSK on external segments */
+ ncoeff = coeff_4k_sb_3seg_1dqpsk;
+ else /* QPSK or QAM on external segments */
+ ncoeff = coeff_4k_sb_3seg;
}
- } else { // QPSK or QAM on central segment
- if (state->fe[0]->dtv_property_cache.layer[1].modulation == DQPSK) {
- ncoeff = coeff_4k_sb_3seg_1dqpsk;
- } else // QPSK or QAM on external segments
- ncoeff = coeff_4k_sb_3seg;
}
- }
- break;
-
+ break;
case TRANSMISSION_MODE_AUTO:
case TRANSMISSION_MODE_8K:
default:
- if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0) {
- if (state->fe[0]->dtv_property_cache.layer[0].modulation == DQPSK)
- ncoeff = coeff_8k_sb_1seg_dqpsk;
- else // QPSK or QAM
- ncoeff = coeff_8k_sb_1seg;
- } else { // 3-segments
- if (state->fe[0]->dtv_property_cache.layer[0].modulation == DQPSK) {
- if (state->fe[0]->dtv_property_cache.layer[1].modulation == DQPSK) {
- ncoeff = coeff_8k_sb_3seg_0dqpsk_1dqpsk;
- } else { // QPSK or QAM on external segments
- ncoeff = coeff_8k_sb_3seg_0dqpsk;
+ if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0) { /* 1-seg */
+ if (state->fe[0]->dtv_property_cache.layer[0].modulation == DQPSK) /* DQPSK */
+ ncoeff = coeff_8k_sb_1seg_dqpsk;
+ else /* QPSK or QAM */
+ ncoeff = coeff_8k_sb_1seg;
+ } else { /* 3-segments */
+ if (state->fe[0]->dtv_property_cache.layer[0].modulation == DQPSK) { /* DQPSK on central segment */
+ if (state->fe[0]->dtv_property_cache.layer[1].modulation == DQPSK) /* DQPSK on external segments */
+ ncoeff = coeff_8k_sb_3seg_0dqpsk_1dqpsk;
+ else /* QPSK or QAM on external segments */
+ ncoeff = coeff_8k_sb_3seg_0dqpsk;
+ } else { /* QPSK or QAM on central segment */
+ if (state->fe[0]->dtv_property_cache.layer[1].modulation == DQPSK) /* DQPSK on external segments */
+ ncoeff = coeff_8k_sb_3seg_1dqpsk;
+ else /* QPSK or QAM on external segments */
+ ncoeff = coeff_8k_sb_3seg;
}
- } else { // QPSK or QAM on central segment
- if (state->fe[0]->dtv_property_cache.layer[1].modulation == DQPSK) {
- ncoeff = coeff_8k_sb_3seg_1dqpsk;
- } else // QPSK or QAM on external segments
- ncoeff = coeff_8k_sb_3seg;
}
- }
- break;
+ break;
}
+
for (i = 0; i < 8; i++)
dib8000_write_word(state, 343 + i, ncoeff[i]);
}
+}
- // P_small_coef_ext_enable=ISDB-Tsb, P_small_narrow_band=ISDB-Tsb, P_small_last_seg=13, P_small_offset_num_car=5
- dib8000_write_word(state, 351,
- (state->fe[0]->dtv_property_cache.isdbt_sb_mode << 9) | (state->fe[0]->dtv_property_cache.isdbt_sb_mode << 8) | (13 << 4) | 5);
+static const u16 coff_thres_1seg[3] = {300, 150, 80};
+static const u16 coff_thres_3seg[3] = {350, 300, 250};
+static void dib8000_set_sb_channel(struct dib8000_state *state)
+{
+ const u16 *coff;
+ u16 i;
- // ---- COFF ----
- // Carloff, the most robust
- if (state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1) {
+ if (state->fe[0]->dtv_property_cache.transmission_mode == TRANSMISSION_MODE_2K || state->fe[0]->dtv_property_cache.transmission_mode == TRANSMISSION_MODE_4K) {
+ dib8000_write_word(state, 219, dib8000_read_word(state, 219) | 0x1); /* adp_pass =1 */
+ dib8000_write_word(state, 190, dib8000_read_word(state, 190) | (0x1 << 14)); /* pha3_force_pha_shift = 1 */
+ } else {
+ dib8000_write_word(state, 219, dib8000_read_word(state, 219) & 0xfffe); /* adp_pass =0 */
+ dib8000_write_word(state, 190, dib8000_read_word(state, 190) & 0xbfff); /* pha3_force_pha_shift = 0 */
+ }
- // P_coff_cpil_alpha=4, P_coff_inh=0, P_coff_cpil_winlen=64
- // P_coff_narrow_band=1, P_coff_square_val=1, P_coff_one_seg=~partial_rcpt, P_coff_use_tmcc=1, P_coff_use_ac=1
- dib8000_write_word(state, 187,
- (4 << 12) | (0 << 11) | (63 << 5) | (0x3 << 3) | ((~state->fe[0]->dtv_property_cache.isdbt_partial_reception & 1) << 2)
- | 0x3);
+ if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 1) /* 3-segments */
+ state->seg_mask = 0x00E0;
+ else /* 1-segment */
+ state->seg_mask = 0x0040;
-/* // P_small_coef_ext_enable = 1 */
-/* dib8000_write_word(state, 351, dib8000_read_word(state, 351) | 0x200); */
+ dib8000_write_word(state, 268, (dib8000_read_word(state, 268) & 0xF9FF) | 0x0200);
- if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0) {
+ /* ---- COFF ---- Carloff, the most robust --- */
+ /* P_coff_cpil_alpha=4, P_coff_inh=0, P_coff_cpil_winlen=64, P_coff_narrow_band=1, P_coff_square_val=1, P_coff_one_seg=~partial_rcpt, P_coff_use_tmcc=1, P_coff_use_ac=1 */
+ dib8000_write_word(state, 187, (4 << 12) | (0 << 11) | (63 << 5) | (0x3 << 3) | ((~state->fe[0]->dtv_property_cache.isdbt_partial_reception & 1) << 2) | 0x3);
- // P_coff_winlen=63, P_coff_thres_lock=15, P_coff_one_seg_width= (P_mode == 3) , P_coff_one_seg_sym= (P_mode-1)
- if (mode == 3)
- dib8000_write_word(state, 180, 0x1fcf | ((mode - 1) << 14));
- else
- dib8000_write_word(state, 180, 0x0fcf | ((mode - 1) << 14));
- // P_ctrl_corm_thres4pre_freq_inh=1,P_ctrl_pre_freq_mode_sat=1,
- // P_ctrl_pre_freq_inh=0, P_ctrl_pre_freq_step = 5, P_pre_freq_win_len=4
- dib8000_write_word(state, 338, (1 << 12) | (1 << 10) | (0 << 9) | (5 << 5) | 4);
- // P_ctrl_pre_freq_win_len=16, P_ctrl_pre_freq_thres_lockin=8
- dib8000_write_word(state, 340, (16 << 6) | (8 << 0));
- // P_ctrl_pre_freq_thres_lockout=6, P_small_use_tmcc/ac/cp=1
- dib8000_write_word(state, 341, (6 << 3) | (1 << 2) | (1 << 1) | (1 << 0));
-
- // P_coff_corthres_8k, 4k, 2k and P_coff_cpilthres_8k, 4k, 2k
- dib8000_write_word(state, 181, 300);
- dib8000_write_word(state, 182, 150);
- dib8000_write_word(state, 183, 80);
- dib8000_write_word(state, 184, 300);
- dib8000_write_word(state, 185, 150);
- dib8000_write_word(state, 186, 80);
- } else { // Sound Broadcasting mode 3 seg
- // P_coff_one_seg_sym= 1, P_coff_one_seg_width= 1, P_coff_winlen=63, P_coff_thres_lock=15
- /* if (mode == 3) */
- /* dib8000_write_word(state, 180, 0x2fca | ((0) << 14)); */
- /* else */
- /* dib8000_write_word(state, 180, 0x2fca | ((1) << 14)); */
- dib8000_write_word(state, 180, 0x1fcf | (1 << 14));
-
- // P_ctrl_corm_thres4pre_freq_inh = 1, P_ctrl_pre_freq_mode_sat=1,
- // P_ctrl_pre_freq_inh=0, P_ctrl_pre_freq_step = 4, P_pre_freq_win_len=4
- dib8000_write_word(state, 338, (1 << 12) | (1 << 10) | (0 << 9) | (4 << 5) | 4);
- // P_ctrl_pre_freq_win_len=16, P_ctrl_pre_freq_thres_lockin=8
- dib8000_write_word(state, 340, (16 << 6) | (8 << 0));
- //P_ctrl_pre_freq_thres_lockout=6, P_small_use_tmcc/ac/cp=1
- dib8000_write_word(state, 341, (6 << 3) | (1 << 2) | (1 << 1) | (1 << 0));
-
- // P_coff_corthres_8k, 4k, 2k and P_coff_cpilthres_8k, 4k, 2k
- dib8000_write_word(state, 181, 350);
- dib8000_write_word(state, 182, 300);
- dib8000_write_word(state, 183, 250);
- dib8000_write_word(state, 184, 350);
- dib8000_write_word(state, 185, 300);
- dib8000_write_word(state, 186, 250);
- }
+ dib8000_write_word(state, 340, (16 << 6) | (8 << 0)); /* P_ctrl_pre_freq_win_len=16, P_ctrl_pre_freq_thres_lockin=8 */
+ dib8000_write_word(state, 341, (6 << 3) | (1 << 2) | (1 << 1) | (1 << 0));/* P_ctrl_pre_freq_thres_lockout=6, P_small_use_tmcc/ac/cp=1 */
- } else if (state->isdbt_cfg_loaded == 0) { // if not Sound Broadcasting mode : put default values for 13 segments
- dib8000_write_word(state, 180, (16 << 6) | 9);
- dib8000_write_word(state, 187, (4 << 12) | (8 << 5) | 0x2);
- coff_pow = 0x2800;
- for (i = 0; i < 6; i++)
- dib8000_write_word(state, 181 + i, coff_pow);
+ /* Sound Broadcasting mode 1 seg */
+ if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0) {
+ /* P_coff_winlen=63, P_coff_thres_lock=15, P_coff_one_seg_width = (P_mode == 3) , P_coff_one_seg_sym = (P_mode-1) */
+ if (state->mode == 3)
+ dib8000_write_word(state, 180, 0x1fcf | ((state->mode - 1) << 14));
+ else
+ dib8000_write_word(state, 180, 0x0fcf | ((state->mode - 1) << 14));
- // P_ctrl_corm_thres4pre_freq_inh=1, P_ctrl_pre_freq_mode_sat=1,
- // P_ctrl_pre_freq_mode_sat=1, P_ctrl_pre_freq_inh=0, P_ctrl_pre_freq_step = 3, P_pre_freq_win_len=1
- dib8000_write_word(state, 338, (1 << 12) | (1 << 10) | (0 << 9) | (3 << 5) | 1);
+ /* P_ctrl_corm_thres4pre_freq_inh=1,P_ctrl_pre_freq_mode_sat=1, P_ctrl_pre_freq_inh=0, P_ctrl_pre_freq_step = 5, P_pre_freq_win_len=4 */
+ dib8000_write_word(state, 338, (1 << 12) | (1 << 10) | (0 << 9) | (5 << 5) | 4);
+ coff = &coff_thres_1seg[0];
+ } else { /* Sound Broadcasting mode 3 seg */
+ dib8000_write_word(state, 180, 0x1fcf | (1 << 14));
+ /* P_ctrl_corm_thres4pre_freq_inh = 1, P_ctrl_pre_freq_mode_sat=1, P_ctrl_pre_freq_inh=0, P_ctrl_pre_freq_step = 4, P_pre_freq_win_len=4 */
+ dib8000_write_word(state, 338, (1 << 12) | (1 << 10) | (0 << 9) | (4 << 5) | 4);
+ coff = &coff_thres_3seg[0];
+ }
- // P_ctrl_pre_freq_win_len=8, P_ctrl_pre_freq_thres_lockin=6
- dib8000_write_word(state, 340, (8 << 6) | (6 << 0));
- // P_ctrl_pre_freq_thres_lockout=4, P_small_use_tmcc/ac/cp=1
- dib8000_write_word(state, 341, (4 << 3) | (1 << 2) | (1 << 1) | (1 << 0));
+ dib8000_write_word(state, 228, 1); /* P_2d_mode_byp=1 */
+ dib8000_write_word(state, 205, dib8000_read_word(state, 205) & 0xfff0); /* P_cspu_win_cut = 0 */
+
+ if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0 && state->fe[0]->dtv_property_cache.transmission_mode == TRANSMISSION_MODE_2K)
+ dib8000_write_word(state, 265, 15); /* P_equal_noise_sel = 15 */
+
+ /* Write COFF thres */
+ for (i = 0 ; i < 3; i++) {
+ dib8000_write_word(state, 181+i, coff[i]);
+ dib8000_write_word(state, 184+i, coff[i]);
}
- // ---- FFT ----
- if (state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1 && state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0)
- dib8000_write_word(state, 178, 64); // P_fft_powrange=64
- else
- dib8000_write_word(state, 178, 32); // P_fft_powrange=32
- /* make the cpil_coff_lock more robust but slower p_coff_winlen
+ /*
+ * make the cpil_coff_lock more robust but slower p_coff_winlen
* 6bits; p_coff_thres_lock 6bits (for coff lock if needed)
*/
- /* if ( ( nbseg_diff>0)&&(nbseg_diff<13))
- dib8000_write_word(state, 187, (dib8000_read_word(state, 187) & 0xfffb) | (1 << 3)); */
-
- dib8000_write_word(state, 189, ~seg_mask13 | seg_diff_mask); /* P_lmod4_seg_inh */
- dib8000_write_word(state, 192, ~seg_mask13 | seg_diff_mask); /* P_pha3_seg_inh */
- dib8000_write_word(state, 225, ~seg_mask13 | seg_diff_mask); /* P_tac_seg_inh */
- if ((!state->fe[0]->dtv_property_cache.isdbt_sb_mode) && (state->cfg.pll->ifreq == 0))
- dib8000_write_word(state, 266, ~seg_mask13 | seg_diff_mask | 0x40); /* P_equal_noise_seg_inh */
- else
- dib8000_write_word(state, 266, ~seg_mask13 | seg_diff_mask); /* P_equal_noise_seg_inh */
- dib8000_write_word(state, 287, ~seg_mask13 | 0x1000); /* P_tmcc_seg_inh */
- //dib8000_write_word(state, 288, ~seg_mask13 | seg_diff_mask); /* P_tmcc_seg_eq_inh */
- if (!autosearching)
- dib8000_write_word(state, 288, (~seg_mask13 | seg_diff_mask) & 0x1fff); /* P_tmcc_seg_eq_inh */
- else
- dib8000_write_word(state, 288, 0x1fff); //disable equalisation of the tmcc when autosearch to be able to find the DQPSK channels.
- dprintk("287 = %X (%d)", ~seg_mask13 | 0x1000, ~seg_mask13 | 0x1000);
-
- dib8000_write_word(state, 211, seg_mask13 & (~seg_diff_mask)); /* P_des_seg_enabled */
-
- /* offset loop parameters */
- if (state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1) {
- if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0)
- /* P_timf_alpha = (11-P_mode), P_corm_alpha=6, P_corm_thres=0x80 */
- dib8000_write_word(state, 32, ((11 - mode) << 12) | (6 << 8) | 0x40);
-
- else // Sound Broadcasting mode 3 seg
- /* P_timf_alpha = (10-P_mode), P_corm_alpha=6, P_corm_thres=0x80 */
- dib8000_write_word(state, 32, ((10 - mode) << 12) | (6 << 8) | 0x60);
- } else
- // TODO in 13 seg, timf_alpha can always be the same or not ?
- /* P_timf_alpha = (9-P_mode, P_corm_alpha=6, P_corm_thres=0x80 */
- dib8000_write_word(state, 32, ((9 - mode) << 12) | (6 << 8) | 0x80);
-
- if (state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1) {
- if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0)
- /* P_ctrl_pha_off_max=3 P_ctrl_sfreq_inh =0 P_ctrl_sfreq_step = (11-P_mode) */
- dib8000_write_word(state, 37, (3 << 5) | (0 << 4) | (10 - mode));
-
- else // Sound Broadcasting mode 3 seg
- /* P_ctrl_pha_off_max=3 P_ctrl_sfreq_inh =0 P_ctrl_sfreq_step = (10-P_mode) */
- dib8000_write_word(state, 37, (3 << 5) | (0 << 4) | (9 - mode));
- } else
- /* P_ctrl_pha_off_max=3 P_ctrl_sfreq_inh =0 P_ctrl_sfreq_step = 9 */
- dib8000_write_word(state, 37, (3 << 5) | (0 << 4) | (8 - mode));
- /* P_dvsy_sync_wait - reuse mode */
- switch (state->fe[0]->dtv_property_cache.transmission_mode) {
- case TRANSMISSION_MODE_8K:
- mode = 256;
- break;
- case TRANSMISSION_MODE_4K:
- mode = 128;
- break;
- default:
- case TRANSMISSION_MODE_2K:
- mode = 64;
- break;
- }
- if (state->cfg.diversity_delay == 0)
- mode = (mode * (1 << (guard)) * 3) / 2 + 48; // add 50% SFN margin + compensate for one DVSY-fifo
+ dib8000_write_word(state, 266, ~state->seg_mask | state->seg_diff_mask); /* P_equal_noise_seg_inh */
+
+ if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0)
+ dib8000_write_word(state, 178, 64); /* P_fft_powrange = 64 */
else
- mode = (mode * (1 << (guard)) * 3) / 2 + state->cfg.diversity_delay; // add 50% SFN margin + compensate for DVSY-fifo
- mode <<= 4;
- dib8000_write_word(state, 273, (dib8000_read_word(state, 273) & 0x000f) | mode);
+ dib8000_write_word(state, 178, 32); /* P_fft_powrange = 32 */
+}
- /* channel estimation fine configuration */
- switch (max_constellation) {
- case QAM_64:
- ana_gain = 0x7; // -1 : avoid def_est saturation when ADC target is -16dB
- coeff[0] = 0x0148; /* P_adp_regul_cnt 0.04 */
- coeff[1] = 0xfff0; /* P_adp_noise_cnt -0.002 */
- coeff[2] = 0x00a4; /* P_adp_regul_ext 0.02 */
- coeff[3] = 0xfff8; /* P_adp_noise_ext -0.001 */
- //if (!state->cfg.hostbus_diversity) //if diversity, we should prehaps use the configuration of the max_constallation -1
- break;
- case QAM_16:
- ana_gain = 0x7; // -1 : avoid def_est saturation when ADC target is -16dB
- coeff[0] = 0x023d; /* P_adp_regul_cnt 0.07 */
- coeff[1] = 0xffdf; /* P_adp_noise_cnt -0.004 */
- coeff[2] = 0x00a4; /* P_adp_regul_ext 0.02 */
- coeff[3] = 0xfff0; /* P_adp_noise_ext -0.002 */
- //if (!((state->cfg.hostbus_diversity) && (max_constellation == QAM_16)))
- break;
- default:
- ana_gain = 0; // 0 : goes along with ADC target at -22dB to keep good mobile performance and lock at sensitivity level
- coeff[0] = 0x099a; /* P_adp_regul_cnt 0.3 */
- coeff[1] = 0xffae; /* P_adp_noise_cnt -0.01 */
- coeff[2] = 0x0333; /* P_adp_regul_ext 0.1 */
- coeff[3] = 0xfff8; /* P_adp_noise_ext -0.002 */
- break;
- }
- for (mode = 0; mode < 4; mode++)
- dib8000_write_word(state, 215 + mode, coeff[mode]);
+static void dib8000_set_isdbt_common_channel(struct dib8000_state *state, u8 seq, u8 autosearching)
+{
+ u16 p_cfr_left_edge = 0, p_cfr_right_edge = 0;
+ u16 tmcc_pow = 0, ana_gain = 0, tmp = 0, i = 0, nbseg_diff = 0 ;
+ u16 max_constellation = DQPSK;
+ int init_prbs;
- // update ana_gain depending on max constellation
- dib8000_write_word(state, 116, ana_gain);
- // update ADC target depending on ana_gain
- if (ana_gain) { // set -16dB ADC target for ana_gain=-1
- for (i = 0; i < 10; i++)
- dib8000_write_word(state, 80 + i, adc_target_16dB[i]);
- } else { // set -22dB ADC target for ana_gain=0
- for (i = 0; i < 10; i++)
- dib8000_write_word(state, 80 + i, adc_target_16dB[i] - 355);
+ /* P_mode */
+ dib8000_write_word(state, 10, (seq << 4));
+
+ /* init mode */
+ state->mode = fft_to_mode(state);
+
+ /* set guard */
+ tmp = dib8000_read_word(state, 1);
+ dib8000_write_word(state, 1, (tmp&0xfffc) | (state->fe[0]->dtv_property_cache.guard_interval & 0x3));
+
+ dib8000_write_word(state, 274, (dib8000_read_word(state, 274) & 0xffcf) | ((state->fe[0]->dtv_property_cache.isdbt_partial_reception & 1) << 5) | ((state->fe[0]->dtv_property_cache.isdbt_sb_mode & 1) << 4));
+
+ /* signal optimization parameter */
+ if (state->fe[0]->dtv_property_cache.isdbt_partial_reception) {
+ state->seg_diff_mask = (state->fe[0]->dtv_property_cache.layer[0].modulation == DQPSK) << permu_seg[0];
+ for (i = 1; i < 3; i++)
+ nbseg_diff += (state->fe[0]->dtv_property_cache.layer[i].modulation == DQPSK) * state->fe[0]->dtv_property_cache.layer[i].segment_count;
+ for (i = 0; i < nbseg_diff; i++)
+ state->seg_diff_mask |= 1 << permu_seg[i+1];
+ } else {
+ for (i = 0; i < 3; i++)
+ nbseg_diff += (state->fe[0]->dtv_property_cache.layer[i].modulation == DQPSK) * state->fe[0]->dtv_property_cache.layer[i].segment_count;
+ for (i = 0; i < nbseg_diff; i++)
+ state->seg_diff_mask |= 1 << permu_seg[i];
+ }
+
+ if (state->seg_diff_mask)
+ dib8000_write_word(state, 268, (dib8000_read_word(state, 268) & 0xF9FF) | 0x0200);
+ else
+ dib8000_write_word(state, 268, (2 << 9) | 39); /*init value */
+
+ for (i = 0; i < 3; i++)
+ max_constellation = dib8000_set_layer(state, i, max_constellation);
+ if (autosearching == 0) {
+ state->layer_b_nb_seg = state->fe[0]->dtv_property_cache.layer[1].segment_count;
+ state->layer_c_nb_seg = state->fe[0]->dtv_property_cache.layer[2].segment_count;
}
- // ---- ANA_FE ----
+ /* WRITE: Mode & Diff mask */
+ dib8000_write_word(state, 0, (state->mode << 13) | state->seg_diff_mask);
+
+ state->differential_constellation = (state->seg_diff_mask != 0);
+
+ /* channel estimation fine configuration */
+ ana_gain = dib8000_adp_fine_tune(state, max_constellation);
+
+ /* update ana_gain depending on max constellation */
+ dib8000_update_ana_gain(state, ana_gain);
+
+ /* ---- ANA_FE ---- */
+ if (state->fe[0]->dtv_property_cache.isdbt_partial_reception) /* 3-segments */
+ dib8000_load_ana_fe_coefs(state, ana_fe_coeff_3seg);
+ else
+ dib8000_load_ana_fe_coefs(state, ana_fe_coeff_1seg); /* 1-segment */
+
+ /* TSB or ISDBT ? apply it now */
if (state->fe[0]->dtv_property_cache.isdbt_sb_mode) {
- if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 1)
- ana_fe = ana_fe_coeff_3seg;
- else // 1-segment
- ana_fe = ana_fe_coeff_1seg;
- } else
- ana_fe = ana_fe_coeff_13seg;
-
- if (state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1 || state->isdbt_cfg_loaded == 0)
- for (mode = 0; mode < 24; mode++)
- dib8000_write_word(state, 117 + mode, ana_fe[mode]);
+ dib8000_set_sb_channel(state);
+ if (state->fe[0]->dtv_property_cache.isdbt_sb_subchannel != -1)
+ init_prbs = dib8000_get_init_prbs(state, state->fe[0]->dtv_property_cache.isdbt_sb_subchannel);
+ else
+ init_prbs = 0;
+ } else {
+ dib8000_set_13seg_channel(state);
+ init_prbs = 0xfff;
+ }
+
+ /* SMALL */
+ dib8000_small_fine_tune(state);
+
+ dib8000_set_subchannel_prbs(state, init_prbs);
- // ---- CHAN_BLK ----
+ /* ---- CHAN_BLK ---- */
for (i = 0; i < 13; i++) {
- if ((((~seg_diff_mask) >> i) & 1) == 1) {
- P_cfr_left_edge += (1 << i) * ((i == 0) || ((((seg_mask13 & (~seg_diff_mask)) >> (i - 1)) & 1) == 0));
- P_cfr_right_edge += (1 << i) * ((i == 12) || ((((seg_mask13 & (~seg_diff_mask)) >> (i + 1)) & 1) == 0));
+ if ((((~state->seg_diff_mask) >> i) & 1) == 1) {
+ p_cfr_left_edge += (1 << i) * ((i == 0) || ((((state->seg_mask & (~state->seg_diff_mask)) >> (i - 1)) & 1) == 0));
+ p_cfr_right_edge += (1 << i) * ((i == 12) || ((((state->seg_mask & (~state->seg_diff_mask)) >> (i + 1)) & 1) == 0));
}
}
- dib8000_write_word(state, 222, P_cfr_left_edge); // P_cfr_left_edge
- dib8000_write_word(state, 223, P_cfr_right_edge); // P_cfr_right_edge
- // "P_cspu_left_edge" not used => do not care
- // "P_cspu_right_edge" not used => do not care
-
- if (state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1) {
- dib8000_write_word(state, 228, 1); // P_2d_mode_byp=1
- dib8000_write_word(state, 205, dib8000_read_word(state, 205) & 0xfff0); // P_cspu_win_cut = 0
- if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0
- && state->fe[0]->dtv_property_cache.transmission_mode == TRANSMISSION_MODE_2K) {
- //dib8000_write_word(state, 219, dib8000_read_word(state, 219) & 0xfffe); // P_adp_pass = 0
- dib8000_write_word(state, 265, 15); // P_equal_noise_sel = 15
- }
- } else if (state->isdbt_cfg_loaded == 0) {
- dib8000_write_word(state, 228, 0); // default value
- dib8000_write_word(state, 265, 31); // default value
- dib8000_write_word(state, 205, 0x200f); // init value
- }
- // ---- TMCC ----
+ dib8000_write_word(state, 222, p_cfr_left_edge); /* p_cfr_left_edge */
+ dib8000_write_word(state, 223, p_cfr_right_edge); /* p_cfr_right_edge */
+ /* "P_cspu_left_edge" & "P_cspu_right_edge" not used => do not care */
+
+ dib8000_write_word(state, 189, ~state->seg_mask | state->seg_diff_mask); /* P_lmod4_seg_inh */
+ dib8000_write_word(state, 192, ~state->seg_mask | state->seg_diff_mask); /* P_pha3_seg_inh */
+ dib8000_write_word(state, 225, ~state->seg_mask | state->seg_diff_mask); /* P_tac_seg_inh */
+
+ if (!autosearching)
+ dib8000_write_word(state, 288, (~state->seg_mask | state->seg_diff_mask) & 0x1fff); /* P_tmcc_seg_eq_inh */
+ else
+ dib8000_write_word(state, 288, 0x1fff); /*disable equalisation of the tmcc when autosearch to be able to find the DQPSK channels. */
+
+ dib8000_write_word(state, 211, state->seg_mask & (~state->seg_diff_mask)); /* P_des_seg_enabled */
+ dib8000_write_word(state, 287, ~state->seg_mask | 0x1000); /* P_tmcc_seg_inh */
+
+ dib8000_write_word(state, 178, 32); /* P_fft_powrange = 32 */
+
+ /* ---- TMCC ---- */
for (i = 0; i < 3; i++)
- tmcc_pow +=
- (((state->fe[0]->dtv_property_cache.layer[i].modulation == DQPSK) * 4 + 1) * state->fe[0]->dtv_property_cache.layer[i].segment_count);
- // Quantif of "P_tmcc_dec_thres_?k" is (0, 5+mode, 9);
- // Threshold is set at 1/4 of max power.
- tmcc_pow *= (1 << (9 - 2));
-
- dib8000_write_word(state, 290, tmcc_pow); // P_tmcc_dec_thres_2k
- dib8000_write_word(state, 291, tmcc_pow); // P_tmcc_dec_thres_4k
- dib8000_write_word(state, 292, tmcc_pow); // P_tmcc_dec_thres_8k
- //dib8000_write_word(state, 287, (1 << 13) | 0x1000 );
- // ---- PHA3 ----
+ tmcc_pow += (((state->fe[0]->dtv_property_cache.layer[i].modulation == DQPSK) * 4 + 1) * state->fe[0]->dtv_property_cache.layer[i].segment_count) ;
+
+ /* Quantif of "P_tmcc_dec_thres_?k" is (0, 5+mode, 9); */
+ /* Threshold is set at 1/4 of max power. */
+ tmcc_pow *= (1 << (9-2));
+ dib8000_write_word(state, 290, tmcc_pow); /* P_tmcc_dec_thres_2k */
+ dib8000_write_word(state, 291, tmcc_pow); /* P_tmcc_dec_thres_4k */
+ dib8000_write_word(state, 292, tmcc_pow); /* P_tmcc_dec_thres_8k */
+ /*dib8000_write_word(state, 287, (1 << 13) | 0x1000 ); */
+ /* ---- PHA3 ---- */
if (state->isdbt_cfg_loaded == 0)
- dib8000_write_word(state, 250, 3285); /*p_2d_hspeed_thr0 */
+ dib8000_write_word(state, 250, 3285); /* p_2d_hspeed_thr0 */
- if (state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1)
- state->isdbt_cfg_loaded = 0;
- else
- state->isdbt_cfg_loaded = 1;
+ state->isdbt_cfg_loaded = 0;
+}
+
+u32 dib8000_wait_lock(struct dib8000_state *state, u32 internal, u32 wait0_ms, u32 wait1_ms, u32 wait2_ms)
+{
+ u32 value;
+ u16 reg = 11; /* P_search_end0 start addr */
+ for (reg = 11; reg < 16; reg += 2) {
+ if (reg == 11) {
+ if (state->revision == 0x8090)
+ value = internal * wait1_ms; /* P_search_end0 wait time */
+ else
+ value = internal * wait0_ms; /* P_search_end0 wait time */
+ } else if (reg == 13)
+ value = internal * wait1_ms; /* P_search_end0 wait time */
+ else if (reg == 15)
+ value = internal * wait2_ms; /* P_search_end0 wait time */
+ dib8000_write_word(state, reg, (u16)((value >> 16) & 0xffff));
+ dib8000_write_word(state, (reg + 1), (u16)(value & 0xffff));
+ }
+ return value;
}
static int dib8000_autosearch_start(struct dvb_frontend *fe)
{
- u8 factor;
- u32 value;
struct dib8000_state *state = fe->demodulator_priv;
+ u8 slist = 0;
+ u32 value, internal = state->cfg.pll->internal;
- int slist = 0;
+ if (state->revision == 0x8090)
+ internal = dib8000_read32(state, 23) / 1000;
- state->fe[0]->dtv_property_cache.inversion = 0;
- if (!state->fe[0]->dtv_property_cache.isdbt_sb_mode)
- state->fe[0]->dtv_property_cache.layer[0].segment_count = 13;
- state->fe[0]->dtv_property_cache.layer[0].modulation = QAM_64;
- state->fe[0]->dtv_property_cache.layer[0].fec = FEC_2_3;
- state->fe[0]->dtv_property_cache.layer[0].interleaving = 0;
+ if (state->autosearch_state == AS_SEARCHING_FFT) {
+ dib8000_write_word(state, 37, 0x0065); /* P_ctrl_pha_off_max default values */
+ dib8000_write_word(state, 116, 0x0000); /* P_ana_gain to 0 */
- //choose the right list, in sb, always do everything
- if (state->fe[0]->dtv_property_cache.isdbt_sb_mode) {
+ dib8000_write_word(state, 0, (dib8000_read_word(state, 0) & 0x1fff) | (0 << 13) | (1 << 15)); /* P_mode = 0, P_restart_search=1 */
+ dib8000_write_word(state, 1, (dib8000_read_word(state, 1) & 0xfffc) | 0); /* P_guard = 0 */
+ dib8000_write_word(state, 6, 0); /* P_lock0_mask = 0 */
+ dib8000_write_word(state, 7, 0); /* P_lock1_mask = 0 */
+ dib8000_write_word(state, 8, 0); /* P_lock2_mask = 0 */
+ dib8000_write_word(state, 10, (dib8000_read_word(state, 10) & 0x200) | (16 << 4) | (0 << 0)); /* P_search_list=16, P_search_maxtrial=0 */
+
+ if (state->revision == 0x8090)
+ value = dib8000_wait_lock(state, internal, 10, 10, 10); /* time in ms configure P_search_end0 P_search_end1 P_search_end2 */
+ else
+ value = dib8000_wait_lock(state, internal, 20, 20, 20); /* time in ms configure P_search_end0 P_search_end1 P_search_end2 */
+
+ dib8000_write_word(state, 17, 0);
+ dib8000_write_word(state, 18, 200); /* P_search_rstst = 200 */
+ dib8000_write_word(state, 19, 0);
+ dib8000_write_word(state, 20, 400); /* P_search_rstend = 400 */
+ dib8000_write_word(state, 21, (value >> 16) & 0xffff); /* P_search_checkst */
+ dib8000_write_word(state, 22, value & 0xffff);
+
+ if (state->revision == 0x8090)
+ dib8000_write_word(state, 32, (dib8000_read_word(state, 32) & 0xf0ff) | (0 << 8)); /* P_corm_alpha = 0 */
+ else
+ dib8000_write_word(state, 32, (dib8000_read_word(state, 32) & 0xf0ff) | (9 << 8)); /* P_corm_alpha = 3 */
+ dib8000_write_word(state, 355, 2); /* P_search_param_max = 2 */
+
+ /* P_search_param_select = (1 | 1<<4 | 1 << 8) */
+ dib8000_write_word(state, 356, 0);
+ dib8000_write_word(state, 357, 0x111);
+
+ dib8000_write_word(state, 770, (dib8000_read_word(state, 770) & 0xdfff) | (1 << 13)); /* P_restart_ccg = 1 */
+ dib8000_write_word(state, 770, (dib8000_read_word(state, 770) & 0xdfff) | (0 << 13)); /* P_restart_ccg = 0 */
+ dib8000_write_word(state, 0, (dib8000_read_word(state, 0) & 0x7ff) | (0 << 15) | (1 << 13)); /* P_restart_search = 0; */
+ } else if (state->autosearch_state == AS_SEARCHING_GUARD) {
state->fe[0]->dtv_property_cache.transmission_mode = TRANSMISSION_MODE_8K;
state->fe[0]->dtv_property_cache.guard_interval = GUARD_INTERVAL_1_8;
- slist = 7;
- dib8000_write_word(state, 0, (dib8000_read_word(state, 0) & 0x9fff) | (1 << 13));
+ state->fe[0]->dtv_property_cache.inversion = 0;
+ state->fe[0]->dtv_property_cache.layer[0].modulation = QAM_64;
+ state->fe[0]->dtv_property_cache.layer[0].fec = FEC_2_3;
+ state->fe[0]->dtv_property_cache.layer[0].interleaving = 0;
+ state->fe[0]->dtv_property_cache.layer[0].segment_count = 13;
+
+ slist = 16;
+ state->fe[0]->dtv_property_cache.transmission_mode = state->found_nfft;
+
+ dib8000_set_isdbt_common_channel(state, slist, 1);
+
+ /* set lock_mask values */
+ dib8000_write_word(state, 6, 0x4);
+ if (state->revision == 0x8090)
+ dib8000_write_word(state, 7, ((1 << 12) | (1 << 11) | (1 << 10)));/* tmcc_dec_lock, tmcc_sync_lock, tmcc_data_lock, tmcc_bch_uncor */
+ else
+ dib8000_write_word(state, 7, 0x8);
+ dib8000_write_word(state, 8, 0x1000);
+
+ /* set lock_mask wait time values */
+ if (state->revision == 0x8090)
+ dib8000_wait_lock(state, internal, 50, 100, 1000); /* time in ms configure P_search_end0 P_search_end1 P_search_end2 */
+ else
+ dib8000_wait_lock(state, internal, 50, 200, 1000); /* time in ms configure P_search_end0 P_search_end1 P_search_end2 */
+
+ dib8000_write_word(state, 355, 3); /* P_search_param_max = 3 */
+
+ /* P_search_param_select = 0xf; look for the 4 different guard intervals */
+ dib8000_write_word(state, 356, 0);
+ dib8000_write_word(state, 357, 0xf);
+
+ value = dib8000_read_word(state, 0);
+ dib8000_write_word(state, 0, (u16)((1 << 15) | value));
+ dib8000_read_word(state, 1284); /* reset the INT. n_irq_pending */
+ dib8000_write_word(state, 0, (u16)value);
} else {
- if (state->fe[0]->dtv_property_cache.guard_interval == GUARD_INTERVAL_AUTO) {
- if (state->fe[0]->dtv_property_cache.transmission_mode == TRANSMISSION_MODE_AUTO) {
- slist = 7;
- dib8000_write_word(state, 0, (dib8000_read_word(state, 0) & 0x9fff) | (1 << 13)); // P_mode = 1 to have autosearch start ok with mode2
- } else
- slist = 3;
+ state->fe[0]->dtv_property_cache.inversion = 0;
+ state->fe[0]->dtv_property_cache.layer[0].modulation = QAM_64;
+ state->fe[0]->dtv_property_cache.layer[0].fec = FEC_2_3;
+ state->fe[0]->dtv_property_cache.layer[0].interleaving = 0;
+ state->fe[0]->dtv_property_cache.layer[0].segment_count = 13;
+ if (!state->fe[0]->dtv_property_cache.isdbt_sb_mode)
+ state->fe[0]->dtv_property_cache.layer[0].segment_count = 13;
+
+ /* choose the right list, in sb, always do everything */
+ if (state->fe[0]->dtv_property_cache.isdbt_sb_mode) {
+ slist = 7;
+ dib8000_write_word(state, 0, (dib8000_read_word(state, 0) & 0x9fff) | (1 << 13));
} else {
- if (state->fe[0]->dtv_property_cache.transmission_mode == TRANSMISSION_MODE_AUTO) {
- slist = 2;
- dib8000_write_word(state, 0, (dib8000_read_word(state, 0) & 0x9fff) | (1 << 13)); // P_mode = 1
- } else
- slist = 0;
+ if (state->fe[0]->dtv_property_cache.guard_interval == GUARD_INTERVAL_AUTO) {
+ if (state->fe[0]->dtv_property_cache.transmission_mode == TRANSMISSION_MODE_AUTO) {
+ state->fe[0]->dtv_property_cache.transmission_mode = TRANSMISSION_MODE_8K;
+ state->fe[0]->dtv_property_cache.guard_interval = GUARD_INTERVAL_1_8;
+ slist = 7;
+ dib8000_write_word(state, 0, (dib8000_read_word(state, 0) & 0x9fff) | (1 << 13)); /* P_mode = 1 to have autosearch start ok with mode2 */
+ } else {
+ state->fe[0]->dtv_property_cache.guard_interval = GUARD_INTERVAL_1_8;
+ slist = 3;
+ }
+ } else {
+ if (state->fe[0]->dtv_property_cache.transmission_mode == TRANSMISSION_MODE_AUTO) {
+ state->fe[0]->dtv_property_cache.transmission_mode = TRANSMISSION_MODE_8K;
+ slist = 2;
+ dib8000_write_word(state, 0, (dib8000_read_word(state, 0) & 0x9fff) | (1 << 13)); /* P_mode = 1 */
+ } else
+ slist = 0;
+ }
}
+ dprintk("Using list for autosearch : %d", slist);
- if (state->fe[0]->dtv_property_cache.transmission_mode == TRANSMISSION_MODE_AUTO)
- state->fe[0]->dtv_property_cache.transmission_mode = TRANSMISSION_MODE_8K;
- if (state->fe[0]->dtv_property_cache.guard_interval == GUARD_INTERVAL_AUTO)
- state->fe[0]->dtv_property_cache.guard_interval = GUARD_INTERVAL_1_8;
-
- dprintk("using list for autosearch : %d", slist);
- dib8000_set_channel(state, (unsigned char)slist, 1);
- //dib8000_write_word(state, 0, (dib8000_read_word(state, 0) & 0x9fff) | (1 << 13)); // P_mode = 1
+ dib8000_set_isdbt_common_channel(state, slist, 1);
- factor = 1;
-
- //set lock_mask values
+ /* set lock_mask values */
dib8000_write_word(state, 6, 0x4);
- dib8000_write_word(state, 7, 0x8);
+ if (state->revision == 0x8090)
+ dib8000_write_word(state, 7, (1 << 12) | (1 << 11) | (1 << 10));
+ else
+ dib8000_write_word(state, 7, 0x8);
dib8000_write_word(state, 8, 0x1000);
- //set lock_mask wait time values
- value = 50 * state->cfg.pll->internal * factor;
- dib8000_write_word(state, 11, (u16) ((value >> 16) & 0xffff)); // lock0 wait time
- dib8000_write_word(state, 12, (u16) (value & 0xffff)); // lock0 wait time
- value = 100 * state->cfg.pll->internal * factor;
- dib8000_write_word(state, 13, (u16) ((value >> 16) & 0xffff)); // lock1 wait time
- dib8000_write_word(state, 14, (u16) (value & 0xffff)); // lock1 wait time
- value = 1000 * state->cfg.pll->internal * factor;
- dib8000_write_word(state, 15, (u16) ((value >> 16) & 0xffff)); // lock2 wait time
- dib8000_write_word(state, 16, (u16) (value & 0xffff)); // lock2 wait time
+ /* set lock_mask wait time values */
+ if (state->revision == 0x8090)
+ dib8000_wait_lock(state, internal, 50, 200, 1000); /* time in ms configure P_search_end0 P_search_end1 P_search_end2 */
+ else
+ dib8000_wait_lock(state, internal, 50, 100, 1000); /* time in ms configure P_search_end0 P_search_end1 P_search_end2 */
value = dib8000_read_word(state, 0);
- dib8000_write_word(state, 0, (u16) ((1 << 15) | value));
- dib8000_read_word(state, 1284); // reset the INT. n_irq_pending
- dib8000_write_word(state, 0, (u16) value);
-
+ dib8000_write_word(state, 0, (u16)((1 << 15) | value));
+ dib8000_read_word(state, 1284); /* reset the INT. n_irq_pending */
+ dib8000_write_word(state, 0, (u16)value);
}
-
return 0;
}
struct dib8000_state *state = fe->demodulator_priv;
u16 irq_pending = dib8000_read_word(state, 1284);
- if (irq_pending & 0x1) { // failed
- dprintk("dib8000_autosearch_irq failed");
- return 1;
- }
+ if (state->autosearch_state == AS_SEARCHING_FFT) {
+ if (irq_pending & 0x1) {
+ dprintk("dib8000_autosearch_irq: max correlation result available");
+ return 3;
+ }
+ } else {
+ if (irq_pending & 0x1) { /* failed */
+ dprintk("dib8000_autosearch_irq failed");
+ return 1;
+ }
- if (irq_pending & 0x2) { // succeeded
- dprintk("dib8000_autosearch_irq succeeded");
- return 2;
+ if (irq_pending & 0x2) { /* succeeded */
+ dprintk("dib8000_autosearch_irq succeeded");
+ return 2;
+ }
}
return 0; // still pending
}
-static int dib8000_tune(struct dvb_frontend *fe)
+static void dib8000_viterbi_state(struct dib8000_state *state, u8 onoff)
{
- struct dib8000_state *state = fe->demodulator_priv;
- int ret = 0;
- u16 lock, value, mode;
+ u16 tmp;
- // we are already tuned - just resuming from suspend
- if (state == NULL)
- return -EINVAL;
+ tmp = dib8000_read_word(state, 771);
+ if (onoff) /* start P_restart_chd : channel_decoder */
+ dib8000_write_word(state, 771, tmp & 0xfffd);
+ else /* stop P_restart_chd : channel_decoder */
+ dib8000_write_word(state, 771, tmp | (1<<1));
+}
- mode = fft_to_mode(state);
+static void dib8000_set_dds(struct dib8000_state *state, s32 offset_khz)
+{
+ s16 unit_khz_dds_val;
+ u32 abs_offset_khz = ABS(offset_khz);
+ u32 dds = state->cfg.pll->ifreq & 0x1ffffff;
+ u8 invert = !!(state->cfg.pll->ifreq & (1 << 25));
+ u8 ratio;
- dib8000_set_bandwidth(fe, state->fe[0]->dtv_property_cache.bandwidth_hz / 1000);
- dib8000_set_channel(state, 0, 0);
+ if (state->revision == 0x8090) {
+ ratio = 4;
+ unit_khz_dds_val = (1<<26) / (dib8000_read32(state, 23) / 1000);
+ if (offset_khz < 0)
+ dds = (1 << 26) - (abs_offset_khz * unit_khz_dds_val);
+ else
+ dds = (abs_offset_khz * unit_khz_dds_val);
- // restart demod
- ret |= dib8000_write_word(state, 770, 0x4000);
- ret |= dib8000_write_word(state, 770, 0x0000);
- msleep(45);
+ if (invert)
+ dds = (1<<26) - dds;
+ } else {
+ ratio = 2;
+ unit_khz_dds_val = (u16) (67108864 / state->cfg.pll->internal);
- /* P_ctrl_inh_cor=0, P_ctrl_alpha_cor=4, P_ctrl_inh_isi=0, P_ctrl_alpha_isi=3 */
- /* ret |= dib8000_write_word(state, 29, (0 << 9) | (4 << 5) | (0 << 4) | (3 << 0) ); workaround inh_isi stays at 1 */
+ if (offset_khz < 0)
+ unit_khz_dds_val *= -1;
- // never achieved a lock before - wait for timfreq to update
- if (state->timf == 0) {
- if (state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1) {
- if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0)
- msleep(300);
- else // Sound Broadcasting mode 3 seg
- msleep(500);
- } else // 13 seg
- msleep(200);
+ /* IF tuner */
+ if (invert)
+ dds -= abs_offset_khz * unit_khz_dds_val;
+ else
+ dds += abs_offset_khz * unit_khz_dds_val;
}
- if (state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1) {
- if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0) {
- /* P_timf_alpha = (13-P_mode) , P_corm_alpha=6, P_corm_thres=0x40 alpha to check on board */
- dib8000_write_word(state, 32, ((13 - mode) << 12) | (6 << 8) | 0x40);
- //dib8000_write_word(state, 32, (8 << 12) | (6 << 8) | 0x80);
+ dprintk("setting a DDS frequency offset of %c%dkHz", invert ? '-' : ' ', dds / unit_khz_dds_val);
- /* P_ctrl_sfreq_step= (12-P_mode) P_ctrl_sfreq_inh =0 P_ctrl_pha_off_max */
- ret |= dib8000_write_word(state, 37, (12 - mode) | ((5 + mode) << 5));
+ if (abs_offset_khz <= (state->cfg.pll->internal / ratio)) {
+ /* Max dds offset is the half of the demod freq */
+ dib8000_write_word(state, 26, invert);
+ dib8000_write_word(state, 27, (u16)(dds >> 16) & 0x1ff);
+ dib8000_write_word(state, 28, (u16)(dds & 0xffff));
+ }
+}
- } else { // Sound Broadcasting mode 3 seg
+static void dib8000_set_frequency_offset(struct dib8000_state *state)
+{
+ int i;
+ u32 current_rf;
+ int total_dds_offset_khz;
+
+ if (state->fe[0]->ops.tuner_ops.get_frequency)
+ state->fe[0]->ops.tuner_ops.get_frequency(state->fe[0], ¤t_rf);
+ else
+ current_rf = state->fe[0]->dtv_property_cache.frequency;
+ current_rf /= 1000;
+ total_dds_offset_khz = (int)current_rf - (int)state->fe[0]->dtv_property_cache.frequency / 1000;
+
+ if (state->fe[0]->dtv_property_cache.isdbt_sb_mode) {
+ state->subchannel = state->fe[0]->dtv_property_cache.isdbt_sb_subchannel;
- /* P_timf_alpha = (12-P_mode) , P_corm_alpha=6, P_corm_thres=0x60 alpha to check on board */
- dib8000_write_word(state, 32, ((12 - mode) << 12) | (6 << 8) | 0x60);
+ i = dib8000_read_word(state, 26) & 1; /* P_dds_invspec */
+ dib8000_write_word(state, 26, state->fe[0]->dtv_property_cache.inversion ^ i);
- ret |= dib8000_write_word(state, 37, (11 - mode) | ((5 + mode) << 5));
+ if (state->cfg.pll->ifreq == 0) { /* low if tuner */
+ if ((state->fe[0]->dtv_property_cache.inversion ^ i) == 0)
+ dib8000_write_word(state, 26, dib8000_read_word(state, 26) | 1);
+ } else {
+ if ((state->fe[0]->dtv_property_cache.inversion ^ i) == 0)
+ total_dds_offset_khz *= -1;
}
+ }
+
+ dprintk("%dkhz tuner offset (frequency = %dHz & current_rf = %dHz) total_dds_offset_hz = %d", state->fe[0]->dtv_property_cache.frequency - current_rf, state->fe[0]->dtv_property_cache.frequency, current_rf, total_dds_offset_khz);
+
+ /* apply dds offset now */
+ dib8000_set_dds(state, total_dds_offset_khz);
+}
+
+static u16 LUT_isdbt_symbol_duration[4] = { 26, 101, 63 };
+u32 dib8000_get_symbol_duration(struct dib8000_state *state)
+{
+ u16 i;
+
+ switch (state->fe[0]->dtv_property_cache.transmission_mode) {
+ case TRANSMISSION_MODE_2K:
+ i = 0;
+ break;
+ case TRANSMISSION_MODE_4K:
+ i = 2;
+ break;
+ default:
+ case TRANSMISSION_MODE_AUTO:
+ case TRANSMISSION_MODE_8K:
+ i = 1;
+ break;
+ }
- } else { // 13 seg
- /* P_timf_alpha = 8 , P_corm_alpha=6, P_corm_thres=0x80 alpha to check on board */
- dib8000_write_word(state, 32, ((11 - mode) << 12) | (6 << 8) | 0x80);
+ return (LUT_isdbt_symbol_duration[i] / (state->fe[0]->dtv_property_cache.bandwidth_hz / 1000)) + 1;
+}
- ret |= dib8000_write_word(state, 37, (10 - mode) | ((5 + mode) << 5));
+static void dib8000_set_isdbt_loop_params(struct dib8000_state *state, enum param_loop_step loop_step)
+{
+ u16 reg_32 = 0, reg_37 = 0;
+ switch (loop_step) {
+ case LOOP_TUNE_1:
+ if (state->fe[0]->dtv_property_cache.isdbt_sb_mode) {
+ if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0) {
+ reg_32 = ((11 - state->mode) << 12) | (6 << 8) | 0x40; /* P_timf_alpha = (11-P_mode), P_corm_alpha=6, P_corm_thres=0x40 */
+ reg_37 = (3 << 5) | (0 << 4) | (10 - state->mode); /* P_ctrl_pha_off_max=3 P_ctrl_sfreq_inh =0 P_ctrl_sfreq_step = (10-P_mode) */
+ } else { /* Sound Broadcasting mode 3 seg */
+ reg_32 = ((10 - state->mode) << 12) | (6 << 8) | 0x60; /* P_timf_alpha = (10-P_mode), P_corm_alpha=6, P_corm_thres=0x60 */
+ reg_37 = (3 << 5) | (0 << 4) | (9 - state->mode); /* P_ctrl_pha_off_max=3 P_ctrl_sfreq_inh =0 P_ctrl_sfreq_step = (9-P_mode) */
+ }
+ } else { /* 13-seg start conf offset loop parameters */
+ reg_32 = ((9 - state->mode) << 12) | (6 << 8) | 0x80; /* P_timf_alpha = (9-P_mode, P_corm_alpha=6, P_corm_thres=0x80 */
+ reg_37 = (3 << 5) | (0 << 4) | (8 - state->mode); /* P_ctrl_pha_off_max=3 P_ctrl_sfreq_inh =0 P_ctrl_sfreq_step = 9 */
+ }
+ break;
+ case LOOP_TUNE_2:
+ if (state->fe[0]->dtv_property_cache.isdbt_sb_mode) {
+ if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0) { /* Sound Broadcasting mode 1 seg */
+ reg_32 = ((13-state->mode) << 12) | (6 << 8) | 0x40; /* P_timf_alpha = (13-P_mode) , P_corm_alpha=6, P_corm_thres=0x40*/
+ reg_37 = (12-state->mode) | ((5 + state->mode) << 5);
+ } else { /* Sound Broadcasting mode 3 seg */
+ reg_32 = ((12-state->mode) << 12) | (6 << 8) | 0x60; /* P_timf_alpha = (12-P_mode) , P_corm_alpha=6, P_corm_thres=0x60 */
+ reg_37 = (11-state->mode) | ((5 + state->mode) << 5);
+ }
+ } else { /* 13 seg */
+ reg_32 = ((11-state->mode) << 12) | (6 << 8) | 0x80; /* P_timf_alpha = 8 , P_corm_alpha=6, P_corm_thres=0x80 */
+ reg_37 = ((5+state->mode) << 5) | (10 - state->mode);
+ }
+ break;
}
+ dib8000_write_word(state, 32, reg_32);
+ dib8000_write_word(state, 37, reg_37);
+}
- // we achieved a coff_cpil_lock - it's time to update the timf
- if (state->revision != 0x8090)
- lock = dib8000_read_word(state, 568);
+static void dib8000_demod_restart(struct dib8000_state *state)
+{
+ dib8000_write_word(state, 770, 0x4000);
+ dib8000_write_word(state, 770, 0x0000);
+ return;
+}
+
+static void dib8000_set_sync_wait(struct dib8000_state *state)
+{
+ u16 sync_wait = 64;
+
+ /* P_dvsy_sync_wait - reuse mode */
+ switch (state->fe[0]->dtv_property_cache.transmission_mode) {
+ case TRANSMISSION_MODE_8K:
+ sync_wait = 256;
+ break;
+ case TRANSMISSION_MODE_4K:
+ sync_wait = 128;
+ break;
+ default:
+ case TRANSMISSION_MODE_2K:
+ sync_wait = 64;
+ break;
+ }
+
+ if (state->cfg.diversity_delay == 0)
+ sync_wait = (sync_wait * (1 << (state->fe[0]->dtv_property_cache.guard_interval)) * 3) / 2 + 48; /* add 50% SFN margin + compensate for one DVSY-fifo */
+ else
+ sync_wait = (sync_wait * (1 << (state->fe[0]->dtv_property_cache.guard_interval)) * 3) / 2 + state->cfg.diversity_delay; /* add 50% SFN margin + compensate for DVSY-fifo */
+
+ dib8000_write_word(state, 273, (dib8000_read_word(state, 273) & 0x000f) | (sync_wait << 4));
+}
+
+static u32 dib8000_get_timeout(struct dib8000_state *state, u32 delay, enum timeout_mode mode)
+{
+ if (mode == SYMBOL_DEPENDENT_ON)
+ return systime() + (delay * state->symbol_duration);
else
- lock = dib8000_read_word(state, 570);
- if ((lock >> 11) & 0x1)
- dib8000_update_timf(state);
+ return systime() + delay;
+}
- //now that tune is finished, lock0 should lock on fec_mpeg to output this lock on MP_LOCK. It's changed in autosearch start
- dib8000_write_word(state, 6, 0x200);
+static s32 dib8000_get_status(struct dvb_frontend *fe)
+{
+ struct dib8000_state *state = fe->demodulator_priv;
+ return state->status;
+}
- if (state->revision == 0x8002) {
- value = dib8000_read_word(state, 903);
- dib8000_write_word(state, 903, value & ~(1 << 3));
- msleep(1);
- dib8000_write_word(state, 903, value | (1 << 3));
+enum frontend_tune_state dib8000_get_tune_state(struct dvb_frontend *fe)
+{
+ struct dib8000_state *state = fe->demodulator_priv;
+ return state->tune_state;
+}
+EXPORT_SYMBOL(dib8000_get_tune_state);
+
+int dib8000_set_tune_state(struct dvb_frontend *fe, enum frontend_tune_state tune_state)
+{
+ struct dib8000_state *state = fe->demodulator_priv;
+
+ state->tune_state = tune_state;
+ return 0;
+}
+EXPORT_SYMBOL(dib8000_set_tune_state);
+
+static int dib8000_tune_restart_from_demod(struct dvb_frontend *fe)
+{
+ struct dib8000_state *state = fe->demodulator_priv;
+
+ state->status = FE_STATUS_TUNE_PENDING;
+ state->tune_state = CT_DEMOD_START;
+ return 0;
+}
+
+static u16 dib8000_read_lock(struct dvb_frontend *fe)
+{
+ struct dib8000_state *state = fe->demodulator_priv;
+
+ if (state->revision == 0x8090)
+ return dib8000_read_word(state, 570);
+ return dib8000_read_word(state, 568);
+}
+
+static int dib8090p_init_sdram(struct dib8000_state *state)
+{
+ u16 reg = 0;
+ dprintk("init sdram");
+
+ reg = dib8000_read_word(state, 274) & 0xfff0;
+ dib8000_write_word(state, 274, reg | 0x7); /* P_dintlv_delay_ram = 7 because of MobileSdram */
+
+ dib8000_write_word(state, 1803, (7 << 2));
+
+ reg = dib8000_read_word(state, 1280);
+ dib8000_write_word(state, 1280, reg | (1 << 2)); /* force restart P_restart_sdram */
+ dib8000_write_word(state, 1280, reg); /* release restart P_restart_sdram */
+
+ return 0;
+}
+
+static int dib8000_tune(struct dvb_frontend *fe)
+{
+ struct dib8000_state *state = fe->demodulator_priv;
+ enum frontend_tune_state *tune_state = &state->tune_state;
+
+ u16 locks, deeper_interleaver = 0, i;
+ int ret = 1; /* 1 symbol duration (in 100us unit) delay most of the time */
+
+ u32 *timeout = &state->timeout;
+ u32 now = systime();
+#ifdef DIB8000_AGC_FREEZE
+ u16 agc1, agc2;
+#endif
+
+ u32 corm[4] = {0, 0, 0, 0};
+ u8 find_index, max_value;
+
+#if 0
+ if (*tune_state < CT_DEMOD_STOP)
+ dprintk("IN: context status = %d, TUNE_STATE %d autosearch step = %u systime = %u", state->channel_parameters_set, *tune_state, state->autosearch_state, now);
+#endif
+
+ switch (*tune_state) {
+ case CT_DEMOD_START: /* 30 */
+ if (state->revision == 0x8090)
+ dib8090p_init_sdram(state);
+ state->status = FE_STATUS_TUNE_PENDING;
+ if ((state->fe[0]->dtv_property_cache.delivery_system != SYS_ISDBT) ||
+ (state->fe[0]->dtv_property_cache.inversion == INVERSION_AUTO) ||
+ (state->fe[0]->dtv_property_cache.transmission_mode == TRANSMISSION_MODE_AUTO) ||
+ (state->fe[0]->dtv_property_cache.guard_interval == GUARD_INTERVAL_AUTO) ||
+ (((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (1 << 0)) != 0) &&
+ (state->fe[0]->dtv_property_cache.layer[0].segment_count != 0xff) &&
+ (state->fe[0]->dtv_property_cache.layer[0].segment_count != 0) &&
+ ((state->fe[0]->dtv_property_cache.layer[0].modulation == QAM_AUTO) ||
+ (state->fe[0]->dtv_property_cache.layer[0].fec == FEC_AUTO))) ||
+ (((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (1 << 1)) != 0) &&
+ (state->fe[0]->dtv_property_cache.layer[1].segment_count != 0xff) &&
+ (state->fe[0]->dtv_property_cache.layer[1].segment_count != 0) &&
+ ((state->fe[0]->dtv_property_cache.layer[1].modulation == QAM_AUTO) ||
+ (state->fe[0]->dtv_property_cache.layer[1].fec == FEC_AUTO))) ||
+ (((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (1 << 2)) != 0) &&
+ (state->fe[0]->dtv_property_cache.layer[2].segment_count != 0xff) &&
+ (state->fe[0]->dtv_property_cache.layer[2].segment_count != 0) &&
+ ((state->fe[0]->dtv_property_cache.layer[2].modulation == QAM_AUTO) ||
+ (state->fe[0]->dtv_property_cache.layer[2].fec == FEC_AUTO))) ||
+ (((state->fe[0]->dtv_property_cache.layer[0].segment_count == 0) ||
+ ((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (1 << 0)) == 0)) &&
+ ((state->fe[0]->dtv_property_cache.layer[1].segment_count == 0) ||
+ ((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (2 << 0)) == 0)) &&
+ ((state->fe[0]->dtv_property_cache.layer[2].segment_count == 0) || ((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (3 << 0)) == 0))))
+ state->channel_parameters_set = 0; /* auto search */
+ else
+ state->channel_parameters_set = 1; /* channel parameters are known */
+
+ dib8000_viterbi_state(state, 0); /* force chan dec in restart */
+
+ /* Layer monit */
+ dib8000_write_word(state, 285, dib8000_read_word(state, 285) & 0x60);
+
+ dib8000_set_frequency_offset(state);
+ dib8000_set_bandwidth(fe, state->fe[0]->dtv_property_cache.bandwidth_hz / 1000);
+
+ if (state->channel_parameters_set == 0) { /* The channel struct is unknown, search it ! */
+#ifdef DIB8000_AGC_FREEZE
+ if (state->revision != 0x8090) {
+ state->agc1_max = dib8000_read_word(state, 108);
+ state->agc1_min = dib8000_read_word(state, 109);
+ state->agc2_max = dib8000_read_word(state, 110);
+ state->agc2_min = dib8000_read_word(state, 111);
+ agc1 = dib8000_read_word(state, 388);
+ agc2 = dib8000_read_word(state, 389);
+ dib8000_write_word(state, 108, agc1);
+ dib8000_write_word(state, 109, agc1);
+ dib8000_write_word(state, 110, agc2);
+ dib8000_write_word(state, 111, agc2);
+ }
+#endif
+ state->autosearch_state = AS_SEARCHING_FFT;
+ state->found_nfft = TRANSMISSION_MODE_AUTO;
+ state->found_guard = GUARD_INTERVAL_AUTO;
+ *tune_state = CT_DEMOD_SEARCH_NEXT;
+ } else { /* we already know the channel struct so TUNE only ! */
+ state->autosearch_state = AS_DONE;
+ *tune_state = CT_DEMOD_STEP_3;
+ }
+ state->symbol_duration = dib8000_get_symbol_duration(state);
+ break;
+
+ case CT_DEMOD_SEARCH_NEXT: /* 51 */
+ dib8000_autosearch_start(fe);
+ if (state->revision == 0x8090)
+ ret = 50;
+ else
+ ret = 15;
+ *tune_state = CT_DEMOD_STEP_1;
+ break;
+
+ case CT_DEMOD_STEP_1: /* 31 */
+ switch (dib8000_autosearch_irq(fe)) {
+ case 1: /* fail */
+ state->status = FE_STATUS_TUNE_FAILED;
+ state->autosearch_state = AS_DONE;
+ *tune_state = CT_DEMOD_STOP; /* else we are done here */
+ break;
+ case 2: /* Succes */
+ state->status = FE_STATUS_FFT_SUCCESS; /* signal to the upper layer, that there was a channel found and the parameters can be read */
+ *tune_state = CT_DEMOD_STEP_3;
+ if (state->autosearch_state == AS_SEARCHING_GUARD)
+ *tune_state = CT_DEMOD_STEP_2;
+ else
+ state->autosearch_state = AS_DONE;
+ break;
+ case 3: /* Autosearch FFT max correlation endded */
+ *tune_state = CT_DEMOD_STEP_2;
+ break;
+ }
+ break;
+
+ case CT_DEMOD_STEP_2:
+ switch (state->autosearch_state) {
+ case AS_SEARCHING_FFT:
+ /* searching for the correct FFT */
+ if (state->revision == 0x8090) {
+ corm[2] = (dib8000_read_word(state, 596) << 16) | (dib8000_read_word(state, 597));
+ corm[1] = (dib8000_read_word(state, 598) << 16) | (dib8000_read_word(state, 599));
+ corm[0] = (dib8000_read_word(state, 600) << 16) | (dib8000_read_word(state, 601));
+ } else {
+ corm[2] = (dib8000_read_word(state, 594) << 16) | (dib8000_read_word(state, 595));
+ corm[1] = (dib8000_read_word(state, 596) << 16) | (dib8000_read_word(state, 597));
+ corm[0] = (dib8000_read_word(state, 598) << 16) | (dib8000_read_word(state, 599));
+ }
+ /* dprintk("corm fft: %u %u %u", corm[0], corm[1], corm[2]); */
+
+ max_value = 0;
+ for (find_index = 1 ; find_index < 3 ; find_index++) {
+ if (corm[max_value] < corm[find_index])
+ max_value = find_index ;
+ }
+
+ switch (max_value) {
+ case 0:
+ state->found_nfft = TRANSMISSION_MODE_2K;
+ break;
+ case 1:
+ state->found_nfft = TRANSMISSION_MODE_4K;
+ break;
+ case 2:
+ default:
+ state->found_nfft = TRANSMISSION_MODE_8K;
+ break;
+ }
+ /* dprintk("Autosearch FFT has found Mode %d", max_value + 1); */
+
+ *tune_state = CT_DEMOD_SEARCH_NEXT;
+ state->autosearch_state = AS_SEARCHING_GUARD;
+ if (state->revision == 0x8090)
+ ret = 50;
+ else
+ ret = 10;
+ break;
+ case AS_SEARCHING_GUARD:
+ /* searching for the correct guard interval */
+ if (state->revision == 0x8090)
+ state->found_guard = dib8000_read_word(state, 572) & 0x3;
+ else
+ state->found_guard = dib8000_read_word(state, 570) & 0x3;
+ /* dprintk("guard interval found=%i", state->found_guard); */
+
+ *tune_state = CT_DEMOD_STEP_3;
+ break;
+ default:
+ /* the demod should never be in this state */
+ state->status = FE_STATUS_TUNE_FAILED;
+ state->autosearch_state = AS_DONE;
+ *tune_state = CT_DEMOD_STOP; /* else we are done here */
+ break;
+ }
+ break;
+
+ case CT_DEMOD_STEP_3: /* 33 */
+ state->symbol_duration = dib8000_get_symbol_duration(state);
+ dib8000_set_isdbt_loop_params(state, LOOP_TUNE_1);
+ dib8000_set_isdbt_common_channel(state, 0, 0);/* setting the known channel parameters here */
+ *tune_state = CT_DEMOD_STEP_4;
+ break;
+
+ case CT_DEMOD_STEP_4: /* (34) */
+ dib8000_demod_restart(state);
+
+ dib8000_set_sync_wait(state);
+ dib8000_set_diversity_in(state->fe[0], state->diversity_onoff);
+
+ locks = (dib8000_read_word(state, 180) >> 6) & 0x3f; /* P_coff_winlen ? */
+ /* coff should lock over P_coff_winlen ofdm symbols : give 3 times this lenght to lock */
+ *timeout = dib8000_get_timeout(state, 2 * locks, SYMBOL_DEPENDENT_ON);
+ *tune_state = CT_DEMOD_STEP_5;
+ break;
+
+ case CT_DEMOD_STEP_5: /* (35) */
+ locks = dib8000_read_lock(fe);
+ if (locks & (0x3 << 11)) { /* coff-lock and off_cpil_lock achieved */
+ dib8000_update_timf(state); /* we achieved a coff_cpil_lock - it's time to update the timf */
+ if (!state->differential_constellation) {
+ /* 2 times lmod4_win_len + 10 symbols (pipe delay after coff + nb to compute a 1st correlation) */
+ *timeout = dib8000_get_timeout(state, (20 * ((dib8000_read_word(state, 188)>>5)&0x1f)), SYMBOL_DEPENDENT_ON);
+ *tune_state = CT_DEMOD_STEP_7;
+ } else {
+ *tune_state = CT_DEMOD_STEP_8;
+ }
+ } else if (now > *timeout) {
+ *tune_state = CT_DEMOD_STEP_6; /* goto check for diversity input connection */
+ }
+ break;
+
+ case CT_DEMOD_STEP_6: /* (36) if there is an input (diversity) */
+ if ((state->fe[1] != NULL) && (state->output_mode != OUTMODE_DIVERSITY)) {
+ /* if there is a diversity fe in input and this fe is has not already failled : wait here until this this fe has succedeed or failled */
+ if (dib8000_get_status(state->fe[1]) <= FE_STATUS_STD_SUCCESS) /* Something is locked on the input fe */
+ *tune_state = CT_DEMOD_STEP_8; /* go for mpeg */
+ else if (dib8000_get_status(state->fe[1]) >= FE_STATUS_TUNE_TIME_TOO_SHORT) { /* fe in input failled also, break the current one */
+ *tune_state = CT_DEMOD_STOP; /* else we are done here ; step 8 will close the loops and exit */
+ dib8000_viterbi_state(state, 1); /* start viterbi chandec */
+ dib8000_set_isdbt_loop_params(state, LOOP_TUNE_2);
+ state->status = FE_STATUS_TUNE_FAILED;
+ }
+ } else {
+ dib8000_viterbi_state(state, 1); /* start viterbi chandec */
+ dib8000_set_isdbt_loop_params(state, LOOP_TUNE_2);
+ *tune_state = CT_DEMOD_STOP; /* else we are done here ; step 8 will close the loops and exit */
+ state->status = FE_STATUS_TUNE_FAILED;
+ }
+ break;
+
+ case CT_DEMOD_STEP_7: /* 37 */
+ locks = dib8000_read_lock(fe);
+ if (locks & (1<<10)) { /* lmod4_lock */
+ ret = 14; /* wait for 14 symbols */
+ *tune_state = CT_DEMOD_STEP_8;
+ } else if (now > *timeout)
+ *tune_state = CT_DEMOD_STEP_6; /* goto check for diversity input connection */
+ break;
+
+ case CT_DEMOD_STEP_8: /* 38 */
+ dib8000_viterbi_state(state, 1); /* start viterbi chandec */
+ dib8000_set_isdbt_loop_params(state, LOOP_TUNE_2);
+
+ /* mpeg will never lock on this condition because init_prbs is not set : search for it !*/
+ if (state->fe[0]->dtv_property_cache.isdbt_sb_mode && state->fe[0]->dtv_property_cache.isdbt_sb_subchannel == -1 && !state->differential_constellation) {
+ state->subchannel = 0;
+ *tune_state = CT_DEMOD_STEP_11;
+ } else {
+ *tune_state = CT_DEMOD_STEP_9;
+ state->status = FE_STATUS_LOCKED;
+ }
+ break;
+
+ case CT_DEMOD_STEP_9: /* 39 */
+ if ((state->revision == 0x8090) || ((dib8000_read_word(state, 1291) >> 9) & 0x1)) { /* fe capable of deinterleaving : esram */
+ /* defines timeout for mpeg lock depending on interleaver lenght of longest layer */
+ for (i = 0; i < 3; i++) {
+ if (state->fe[0]->dtv_property_cache.layer[i].interleaving >= deeper_interleaver) {
+ dprintk("layer%i: time interleaver = %d ", i, state->fe[0]->dtv_property_cache.layer[i].interleaving);
+ if (state->fe[0]->dtv_property_cache.layer[i].segment_count > 0) { /* valid layer */
+ deeper_interleaver = state->fe[0]->dtv_property_cache.layer[0].interleaving;
+ state->longest_intlv_layer = i;
+ }
+ }
+ }
+
+ if (deeper_interleaver == 0)
+ locks = 2; /* locks is the tmp local variable name */
+ else if (deeper_interleaver == 3)
+ locks = 8;
+ else
+ locks = 2 * deeper_interleaver;
+
+ if (state->diversity_onoff != 0) /* because of diversity sync */
+ locks *= 2;
+
+ *timeout = now + (2000 * locks); /* give the mpeg lock 800ms if sram is present */
+ dprintk("Deeper interleaver mode = %d on layer %d : timeout mult factor = %d => will use timeout = %d", deeper_interleaver, state->longest_intlv_layer, locks, *timeout);
+
+ *tune_state = CT_DEMOD_STEP_10;
+ } else
+ *tune_state = CT_DEMOD_STOP;
+ break;
+
+ case CT_DEMOD_STEP_10: /* 40 */
+ locks = dib8000_read_lock(fe);
+ if (locks&(1<<(7-state->longest_intlv_layer))) { /* mpeg lock : check the longest one */
+ dprintk("Mpeg locks [ L0 : %d | L1 : %d | L2 : %d ]", (locks>>7)&0x1, (locks>>6)&0x1, (locks>>5)&0x1);
+ if (state->fe[0]->dtv_property_cache.isdbt_sb_mode && state->fe[0]->dtv_property_cache.isdbt_sb_subchannel == -1 && !state->differential_constellation)
+ /* signal to the upper layer, that there was a channel found and the parameters can be read */
+ state->status = FE_STATUS_DEMOD_SUCCESS;
+ else
+ state->status = FE_STATUS_DATA_LOCKED;
+ *tune_state = CT_DEMOD_STOP;
+ } else if (now > *timeout) {
+ if (state->fe[0]->dtv_property_cache.isdbt_sb_mode && state->fe[0]->dtv_property_cache.isdbt_sb_subchannel == -1 && !state->differential_constellation) { /* continue to try init prbs autosearch */
+ state->subchannel += 3;
+ *tune_state = CT_DEMOD_STEP_11;
+ } else { /* we are done mpeg of the longest interleaver xas not locking but let's try if an other layer has locked in the same time */
+ if (locks & (0x7<<5)) {
+ dprintk("Mpeg locks [ L0 : %d | L1 : %d | L2 : %d ]", (locks>>7)&0x1, (locks>>6)&0x1, (locks>>5)&0x1);
+ state->status = FE_STATUS_DATA_LOCKED;
+ } else
+ state->status = FE_STATUS_TUNE_FAILED;
+ *tune_state = CT_DEMOD_STOP;
+ }
+ }
+ break;
+
+ case CT_DEMOD_STEP_11: /* 41 : init prbs autosearch */
+ if (state->subchannel <= 41) {
+ dib8000_set_subchannel_prbs(state, dib8000_get_init_prbs(state, state->subchannel));
+ *tune_state = CT_DEMOD_STEP_9;
+ } else {
+ *tune_state = CT_DEMOD_STOP;
+ state->status = FE_STATUS_TUNE_FAILED;
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ /* tuning is finished - cleanup the demod */
+ switch (*tune_state) {
+ case CT_DEMOD_STOP: /* (42) */
+#ifdef DIB8000_AGC_FREEZE
+ if ((state->revision != 0x8090) && (state->agc1_max != 0)) {
+ dib8000_write_word(state, 108, state->agc1_max);
+ dib8000_write_word(state, 109, state->agc1_min);
+ dib8000_write_word(state, 110, state->agc2_max);
+ dib8000_write_word(state, 111, state->agc2_min);
+ state->agc1_max = 0;
+ state->agc1_min = 0;
+ state->agc2_max = 0;
+ state->agc2_min = 0;
+ }
+#endif
+ ret = FE_CALLBACK_TIME_NEVER;
+ break;
+ default:
+ break;
}
+ if ((ret > 0) && (*tune_state > CT_DEMOD_STEP_3))
+ return ret * state->symbol_duration;
+ if ((ret > 0) && (ret < state->symbol_duration))
+ return state->symbol_duration; /* at least one symbol */
return ret;
}
if (dib8000_set_adc_state(state, DIBX000_SLOW_ADC_ON) != 0)
dprintk("could not start Slow ADC");
- if (state->revision != 0x8090)
+ if (state->revision == 0x8090)
dib8000_sad_calib(state);
for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
return dib8000_set_adc_state(state, DIBX000_SLOW_ADC_OFF) | dib8000_set_adc_state(state, DIBX000_ADC_OFF);
}
-enum frontend_tune_state dib8000_get_tune_state(struct dvb_frontend *fe)
-{
- struct dib8000_state *state = fe->demodulator_priv;
- return state->tune_state;
-}
-EXPORT_SYMBOL(dib8000_get_tune_state);
-
-int dib8000_set_tune_state(struct dvb_frontend *fe, enum frontend_tune_state tune_state)
-{
- struct dib8000_state *state = fe->demodulator_priv;
- state->tune_state = tune_state;
- return 0;
-}
-EXPORT_SYMBOL(dib8000_set_tune_state);
-
static int dib8000_get_frontend(struct dvb_frontend *fe)
{
struct dib8000_state *state = fe->demodulator_priv;
static int dib8000_set_frontend(struct dvb_frontend *fe)
{
struct dib8000_state *state = fe->demodulator_priv;
- u8 nbr_pending, exit_condition, index_frontend;
- s8 index_frontend_success = -1;
- int time, ret;
- int time_slave = FE_CALLBACK_TIME_NEVER;
+ int l, i, active, time, ret, time_slave = FE_CALLBACK_TIME_NEVER;
+ u8 exit_condition, index_frontend;
+ u32 delay, callback_time;
if (state->fe[0]->dtv_property_cache.frequency == 0) {
dprintk("dib8000: must at least specify frequency ");
state->fe[index_frontend]->dtv_property_cache.delivery_system = SYS_ISDBT;
memcpy(&state->fe[index_frontend]->dtv_property_cache, &fe->dtv_property_cache, sizeof(struct dtv_frontend_properties));
- if (state->revision != 0x8090)
- dib8000_set_output_mode(state->fe[index_frontend],
- OUTMODE_HIGH_Z);
- else
- dib8096p_set_output_mode(state->fe[index_frontend],
- OUTMODE_HIGH_Z);
+ /* set output mode and diversity input */
+ if (state->revision != 0x8090) {
+ dib8000_set_diversity_in(state->fe[index_frontend], 1);
+ if (index_frontend != 0)
+ dib8000_set_output_mode(state->fe[index_frontend],
+ OUTMODE_DIVERSITY);
+ else
+ dib8000_set_output_mode(state->fe[0], OUTMODE_HIGH_Z);
+ } else {
+ dib8096p_set_diversity_in(state->fe[index_frontend], 1);
+ if (index_frontend != 0)
+ dib8096p_set_output_mode(state->fe[index_frontend],
+ OUTMODE_DIVERSITY);
+ else
+ dib8096p_set_output_mode(state->fe[0], OUTMODE_HIGH_Z);
+ }
+
+ /* tune the tuner */
if (state->fe[index_frontend]->ops.tuner_ops.set_params)
state->fe[index_frontend]->ops.tuner_ops.set_params(state->fe[index_frontend]);
dib8000_set_tune_state(state->fe[index_frontend], CT_AGC_START);
}
+ /* turn off the diversity of the last chip */
+ if (state->revision != 0x8090)
+ dib8000_set_diversity_in(state->fe[index_frontend - 1], 0);
+ else
+ dib8096p_set_diversity_in(state->fe[index_frontend - 1], 0);
+
/* start up the AGC */
do {
time = dib8000_agc_startup(state->fe[0]);
for (index_frontend = 0; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++)
dib8000_set_tune_state(state->fe[index_frontend], CT_DEMOD_START);
- if ((state->fe[0]->dtv_property_cache.delivery_system != SYS_ISDBT) ||
- (state->fe[0]->dtv_property_cache.inversion == INVERSION_AUTO) ||
- (state->fe[0]->dtv_property_cache.transmission_mode == TRANSMISSION_MODE_AUTO) ||
- (state->fe[0]->dtv_property_cache.guard_interval == GUARD_INTERVAL_AUTO) ||
- (((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (1 << 0)) != 0) &&
- (state->fe[0]->dtv_property_cache.layer[0].segment_count != 0xff) &&
- (state->fe[0]->dtv_property_cache.layer[0].segment_count != 0) &&
- ((state->fe[0]->dtv_property_cache.layer[0].modulation == QAM_AUTO) ||
- (state->fe[0]->dtv_property_cache.layer[0].fec == FEC_AUTO))) ||
- (((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (1 << 1)) != 0) &&
- (state->fe[0]->dtv_property_cache.layer[1].segment_count != 0xff) &&
- (state->fe[0]->dtv_property_cache.layer[1].segment_count != 0) &&
- ((state->fe[0]->dtv_property_cache.layer[1].modulation == QAM_AUTO) ||
- (state->fe[0]->dtv_property_cache.layer[1].fec == FEC_AUTO))) ||
- (((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (1 << 2)) != 0) &&
- (state->fe[0]->dtv_property_cache.layer[2].segment_count != 0xff) &&
- (state->fe[0]->dtv_property_cache.layer[2].segment_count != 0) &&
- ((state->fe[0]->dtv_property_cache.layer[2].modulation == QAM_AUTO) ||
- (state->fe[0]->dtv_property_cache.layer[2].fec == FEC_AUTO))) ||
- (((state->fe[0]->dtv_property_cache.layer[0].segment_count == 0) ||
- ((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (1 << 0)) == 0)) &&
- ((state->fe[0]->dtv_property_cache.layer[1].segment_count == 0) ||
- ((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (2 << 0)) == 0)) &&
- ((state->fe[0]->dtv_property_cache.layer[2].segment_count == 0) || ((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (3 << 0)) == 0)))) {
- int i = 100;
- u8 found = 0;
- u8 tune_failed = 0;
-
+ active = 1;
+ do {
+ callback_time = FE_CALLBACK_TIME_NEVER;
for (index_frontend = 0; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
- dib8000_set_bandwidth(state->fe[index_frontend], fe->dtv_property_cache.bandwidth_hz / 1000);
- dib8000_autosearch_start(state->fe[index_frontend]);
- }
-
- do {
- msleep(20);
- nbr_pending = 0;
- exit_condition = 0; /* 0: tune pending; 1: tune failed; 2:tune success */
- for (index_frontend = 0; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
- if (((tune_failed >> index_frontend) & 0x1) == 0) {
- found = dib8000_autosearch_irq(state->fe[index_frontend]);
- switch (found) {
- case 0: /* tune pending */
- nbr_pending++;
- break;
- case 2:
- dprintk("autosearch succeed on the frontend%i", index_frontend);
- exit_condition = 2;
- index_frontend_success = index_frontend;
- break;
- default:
- dprintk("unhandled autosearch result");
- case 1:
- tune_failed |= (1 << index_frontend);
- dprintk("autosearch failed for the frontend%i", index_frontend);
- break;
+ delay = dib8000_tune(state->fe[index_frontend]);
+ if (delay != FE_CALLBACK_TIME_NEVER)
+ delay += systime();
+
+ /* we are in autosearch */
+ if (state->channel_parameters_set == 0) { /* searching */
+ if ((dib8000_get_status(state->fe[index_frontend]) == FE_STATUS_DEMOD_SUCCESS) || (dib8000_get_status(state->fe[index_frontend]) == FE_STATUS_FFT_SUCCESS)) {
+ dprintk("autosearch succeeded on fe%i", index_frontend);
+ dib8000_get_frontend(state->fe[index_frontend]); /* we read the channel parameters from the frontend which was successful */
+ state->channel_parameters_set = 1;
+
+ for (l = 0; (l < MAX_NUMBER_OF_FRONTENDS) && (state->fe[l] != NULL); l++) {
+ if (l != index_frontend) { /* and for all frontend except the successful one */
+ dib8000_tune_restart_from_demod(state->fe[l]);
+
+ state->fe[l]->dtv_property_cache.isdbt_sb_mode = state->fe[index_frontend]->dtv_property_cache.isdbt_sb_mode;
+ state->fe[l]->dtv_property_cache.inversion = state->fe[index_frontend]->dtv_property_cache.inversion;
+ state->fe[l]->dtv_property_cache.transmission_mode = state->fe[index_frontend]->dtv_property_cache.transmission_mode;
+ state->fe[l]->dtv_property_cache.guard_interval = state->fe[index_frontend]->dtv_property_cache.guard_interval;
+ state->fe[l]->dtv_property_cache.isdbt_partial_reception = state->fe[index_frontend]->dtv_property_cache.isdbt_partial_reception;
+ for (i = 0; i < 3; i++) {
+ state->fe[l]->dtv_property_cache.layer[i].segment_count = state->fe[index_frontend]->dtv_property_cache.layer[i].segment_count;
+ state->fe[l]->dtv_property_cache.layer[i].interleaving = state->fe[index_frontend]->dtv_property_cache.layer[i].interleaving;
+ state->fe[l]->dtv_property_cache.layer[i].fec = state->fe[index_frontend]->dtv_property_cache.layer[i].fec;
+ state->fe[l]->dtv_property_cache.layer[i].modulation = state->fe[index_frontend]->dtv_property_cache.layer[i].modulation;
+ }
+
+ }
}
}
}
-
- /* if all tune are done and no success, exit: tune failed */
- if ((nbr_pending == 0) && (exit_condition == 0))
- exit_condition = 1;
- } while ((exit_condition == 0) && i--);
-
- if (exit_condition == 1) { /* tune failed */
- dprintk("tune failed");
- return 0;
+ if (delay < callback_time)
+ callback_time = delay;
+ }
+ /* tuning is done when the master frontend is done (failed or success) */
+ if (dib8000_get_status(state->fe[0]) == FE_STATUS_TUNE_FAILED ||
+ dib8000_get_status(state->fe[0]) == FE_STATUS_LOCKED ||
+ dib8000_get_status(state->fe[0]) == FE_STATUS_DATA_LOCKED) {
+ active = 0;
+ /* we need to wait for all frontends to be finished */
+ for (index_frontend = 0; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
+ if (dib8000_get_tune_state(state->fe[index_frontend]) != CT_DEMOD_STOP)
+ active = 1;
+ }
+ if (active == 0)
+ dprintk("tuning done with status %d", dib8000_get_status(state->fe[0]));
}
- dprintk("tune success on frontend%i", index_frontend_success);
-
- dib8000_get_frontend(fe);
- }
+ if ((active == 1) && (callback_time == FE_CALLBACK_TIME_NEVER)) {
+ dprintk("strange callback time something went wrong");
+ active = 0;
+ }
- for (index_frontend = 0, ret = 0; (ret >= 0) && (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++)
- ret = dib8000_tune(state->fe[index_frontend]);
+ while ((active == 1) && (systime() < callback_time))
+ msleep(100);
+ } while (active);
- /* set output mode and diversity input */
- if (state->revision != 0x8090) {
+ /* set output mode */
+ if (state->revision != 0x8090)
dib8000_set_output_mode(state->fe[0], state->cfg.output_mode);
- for (index_frontend = 1;
- (index_frontend < MAX_NUMBER_OF_FRONTENDS) &&
- (state->fe[index_frontend] != NULL);
- index_frontend++) {
- dib8000_set_output_mode(state->fe[index_frontend],
- OUTMODE_DIVERSITY);
- dib8000_set_diversity_in(state->fe[index_frontend-1], 1);
- }
-
- /* turn off the diversity of the last chip */
- dib8000_set_diversity_in(state->fe[index_frontend-1], 0);
- } else {
+ else {
dib8096p_set_output_mode(state->fe[0], state->cfg.output_mode);
if (state->cfg.enMpegOutput == 0) {
dib8096p_setDibTxMux(state, MPEG_ON_DIBTX);
dib8096p_setHostBusMux(state, DIBTX_ON_HOSTBUS);
}
- for (index_frontend = 1;
- (index_frontend < MAX_NUMBER_OF_FRONTENDS) &&
- (state->fe[index_frontend] != NULL);
- index_frontend++) {
- dib8096p_set_output_mode(state->fe[index_frontend],
- OUTMODE_DIVERSITY);
- dib8096p_set_diversity_in(state->fe[index_frontend-1], 1);
- }
-
- /* turn off the diversity of the last chip */
- dib8096p_set_diversity_in(state->fe[index_frontend-1], 0);
}
return ret;
}
-static u16 dib8000_read_lock(struct dvb_frontend *fe)
-{
- struct dib8000_state *state = fe->demodulator_priv;
-
- if (state->revision == 0x8090)
- return dib8000_read_word(state, 570);
- return dib8000_read_word(state, 568);
-}
-
static int dib8000_read_status(struct dvb_frontend *fe, fe_status_t * stat)
{
struct dib8000_state *state = fe->demodulator_priv;
u16 lock_slave = 0, lock;
u8 index_frontend;
- if (state->revision == 0x8090)
- lock = dib8000_read_word(state, 570);
- else
- lock = dib8000_read_word(state, 568);
-
+ lock = dib8000_read_lock(fe);
for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++)
lock_slave |= dib8000_read_lock(state->fe[index_frontend]);
dib8000_reset(fe);
dib8000_write_word(state, 285, (dib8000_read_word(state, 285) & ~0x60) | (3 << 5)); /* ber_rs_len = 3 */
+ state->current_demod_bw = 6000;
return fe;
- error:
+error:
kfree(state);
return NULL;
}
projects / linux-beck.git / commitdiff