#define DIB0070S_P1A 0x02
enum frontend_tune_state {
- CT_TUNER_START = 10,
- CT_TUNER_STEP_0,
- CT_TUNER_STEP_1,
- CT_TUNER_STEP_2,
- CT_TUNER_STEP_3,
- CT_TUNER_STEP_4,
- CT_TUNER_STEP_5,
- CT_TUNER_STEP_6,
- CT_TUNER_STEP_7,
- CT_TUNER_STOP,
+ CT_TUNER_START = 10,
+ CT_TUNER_STEP_0,
+ CT_TUNER_STEP_1,
+ CT_TUNER_STEP_2,
+ CT_TUNER_STEP_3,
+ CT_TUNER_STEP_4,
+ CT_TUNER_STEP_5,
+ CT_TUNER_STEP_6,
+ CT_TUNER_STEP_7,
+ CT_TUNER_STOP,
};
#define FE_CALLBACK_TIME_NEVER 0xffffffff
u16 wbd_ff_offset;
u8 revision;
- enum frontend_tune_state tune_state;
- u32 current_rf;
+ enum frontend_tune_state tune_state;
+ u32 current_rf;
- /* for the captrim binary search */
+ /* for the captrim binary search */
s8 step;
u16 adc_diff;
const struct dib0070_tuning *current_tune_table_index;
const struct dib0070_lna_match *lna_match;
- u8 wbd_gain_current;
+ u8 wbd_gain_current;
u16 wbd_offset_3_3[2];
};
{
u8 b[2];
struct i2c_msg msg[2] = {
- { .addr = state->cfg->i2c_address, .flags = 0, .buf = ®, .len = 1 },
- { .addr = state->cfg->i2c_address, .flags = I2C_M_RD, .buf = b, .len = 2 },
+ {.addr = state->cfg->i2c_address,.flags = 0,.buf = ®,.len = 1},
+ {.addr = state->cfg->i2c_address,.flags = I2C_M_RD,.buf = b,.len = 2},
};
if (i2c_transfer(state->i2c, msg, 2) != 2) {
printk(KERN_WARNING "DiB0070 I2C read failed\n");
static int dib0070_write_reg(struct dib0070_state *state, u8 reg, u16 val)
{
u8 b[3] = { reg, val >> 8, val & 0xff };
- struct i2c_msg msg = { .addr = state->cfg->i2c_address, .flags = 0, .buf = b, .len = 3 };
+ struct i2c_msg msg = {.addr = state->cfg->i2c_address,.flags = 0,.buf = b,.len = 3 };
if (i2c_transfer(state->i2c, &msg, 1) != 1) {
printk(KERN_WARNING "DiB0070 I2C write failed\n");
return -EREMOTEIO;
static int dib0070_set_bandwidth(struct dvb_frontend *fe, struct dvb_frontend_parameters *ch)
{
- struct dib0070_state *st = fe->tuner_priv;
- u16 tmp = dib0070_read_reg(st, 0x02) & 0x3fff;
-
- if (fe->dtv_property_cache.bandwidth_hz/1000 > 7000)
- tmp |= (0 << 14);
- else if (fe->dtv_property_cache.bandwidth_hz/1000 > 6000)
- tmp |= (1 << 14);
- else if (fe->dtv_property_cache.bandwidth_hz/1000 > 5000)
- tmp |= (2 << 14);
- else
- tmp |= (3 << 14);
-
- dib0070_write_reg(st, 0x02, tmp);
-
- /* sharpen the BB filter in ISDB-T to have higher immunity to adjacent channels */
- if (fe->dtv_property_cache.delivery_system == SYS_ISDBT) {
- u16 value = dib0070_read_reg(st, 0x17);
-
- dib0070_write_reg(st, 0x17, value & 0xfffc);
- tmp = dib0070_read_reg(st, 0x01) & 0x01ff;
- dib0070_write_reg(st, 0x01, tmp | (60 << 9));
-
- dib0070_write_reg(st, 0x17, value);
- }
+ struct dib0070_state *state = fe->tuner_priv;
+ u16 tmp = dib0070_read_reg(state, 0x02) & 0x3fff;
+
+ if (state->fe->dtv_property_cache.bandwidth_hz / 1000 > 7000)
+ tmp |= (0 << 14);
+ else if (state->fe->dtv_property_cache.bandwidth_hz / 1000 > 6000)
+ tmp |= (1 << 14);
+ else if (state->fe->dtv_property_cache.bandwidth_hz / 1000 > 5000)
+ tmp |= (2 << 14);
+ else
+ tmp |= (3 << 14);
+
+ dib0070_write_reg(state, 0x02, tmp);
+
+ /* sharpen the BB filter in ISDB-T to have higher immunity to adjacent channels */
+ if (state->fe->dtv_property_cache.delivery_system == SYS_ISDBT) {
+ u16 value = dib0070_read_reg(state, 0x17);
+
+ dib0070_write_reg(state, 0x17, value & 0xfffc);
+ tmp = dib0070_read_reg(state, 0x01) & 0x01ff;
+ dib0070_write_reg(state, 0x01, tmp | (60 << 9));
+
+ dib0070_write_reg(state, 0x17, value);
+ }
return 0;
}
-static int dib0070_captrim(struct dib0070_state *st, enum frontend_tune_state *tune_state)
+static int dib0070_captrim(struct dib0070_state *state, enum frontend_tune_state *tune_state)
{
int8_t step_sign;
u16 adc;
if (*tune_state == CT_TUNER_STEP_0) {
- dib0070_write_reg(st, 0x0f, 0xed10);
- dib0070_write_reg(st, 0x17, 0x0034);
+ dib0070_write_reg(state, 0x0f, 0xed10);
+ dib0070_write_reg(state, 0x17, 0x0034);
- dib0070_write_reg(st, 0x18, 0x0032);
- st->step = st->captrim = st->fcaptrim = 64;
- st->adc_diff = 3000;
+ dib0070_write_reg(state, 0x18, 0x0032);
+ state->step = state->captrim = state->fcaptrim = 64;
+ state->adc_diff = 3000;
ret = 20;
- *tune_state = CT_TUNER_STEP_1;
+ *tune_state = CT_TUNER_STEP_1;
} else if (*tune_state == CT_TUNER_STEP_1) {
- st->step /= 2;
- dib0070_write_reg(st, 0x14, st->lo4 | st->captrim);
+ state->step /= 2;
+ dib0070_write_reg(state, 0x14, state->lo4 | state->captrim);
ret = 15;
*tune_state = CT_TUNER_STEP_2;
} else if (*tune_state == CT_TUNER_STEP_2) {
- adc = dib0070_read_reg(st, 0x19);
+ adc = dib0070_read_reg(state, 0x19);
- dprintk( "CAPTRIM=%hd; ADC = %hd (ADC) & %dmV", st->captrim, adc, (u32) adc*(u32)1800/(u32)1024);
+ dprintk("CAPTRIM=%hd; ADC = %hd (ADC) & %dmV", state->captrim, adc, (u32) adc * (u32) 1800 / (u32) 1024);
if (adc >= 400) {
adc -= 400;
step_sign = 1;
}
- if (adc < st->adc_diff) {
- dprintk( "CAPTRIM=%hd is closer to target (%hd/%hd)", st->captrim, adc, st->adc_diff);
- st->adc_diff = adc;
- st->fcaptrim = st->captrim;
-
-
+ if (adc < state->adc_diff) {
+ dprintk("CAPTRIM=%hd is closer to target (%hd/%hd)", state->captrim, adc, state->adc_diff);
+ state->adc_diff = adc;
+ state->fcaptrim = state->captrim;
}
- st->captrim += (step_sign * st->step);
+ state->captrim += (step_sign * state->step);
- if (st->step >= 1)
+ if (state->step >= 1)
*tune_state = CT_TUNER_STEP_1;
else
*tune_state = CT_TUNER_STEP_3;
} else if (*tune_state == CT_TUNER_STEP_3) {
- dib0070_write_reg(st, 0x14, st->lo4 | st->fcaptrim);
- dib0070_write_reg(st, 0x18, 0x07ff);
+ dib0070_write_reg(state, 0x14, state->lo4 | state->fcaptrim);
+ dib0070_write_reg(state, 0x18, 0x07ff);
*tune_state = CT_TUNER_STEP_4;
}
static int dib0070_set_ctrl_lo5(struct dvb_frontend *fe, u8 vco_bias_trim, u8 hf_div_trim, u8 cp_current, u8 third_order_filt)
{
struct dib0070_state *state = fe->tuner_priv;
- u16 lo5 = (third_order_filt << 14) | (0 << 13) | (1 << 12) | (3 << 9) | (cp_current << 6) | (hf_div_trim << 3) | (vco_bias_trim << 0);
- dprintk( "CTRL_LO5: 0x%x", lo5);
+ u16 lo5 = (third_order_filt << 14) | (0 << 13) | (1 << 12) | (3 << 9) | (cp_current << 6) | (hf_div_trim << 3) | (vco_bias_trim << 0);
+ dprintk("CTRL_LO5: 0x%x", lo5);
return dib0070_write_reg(state, 0x15, lo5);
}
-struct dib0070_tuning
-{
- u32 max_freq; /* for every frequency less than or equal to that field: this information is correct */
- u8 switch_trim;
- u8 vco_band;
- u8 hfdiv;
- u8 vco_multi;
- u8 presc;
- u8 wbdmux;
- u16 tuner_enable;
-};
-
-struct dib0070_lna_match
+void dib0070_ctrl_agc_filter(struct dvb_frontend *fe, u8 open)
{
- u32 max_freq; /* for every frequency less than or equal to that field: this information is correct */
- u8 lna_band;
-};
+ struct dib0070_state *state = fe->tuner_priv;
-static const struct dib0070_tuning dib0070s_tuning_table[] =
+ if (open) {
+ dib0070_write_reg(state, 0x1b, 0xff00);
+ dib0070_write_reg(state, 0x1a, 0x0000);
+ } else {
+ dib0070_write_reg(state, 0x1b, 0x4112);
+ if (state->cfg->vga_filter != 0) {
+ dib0070_write_reg(state, 0x1a, state->cfg->vga_filter);
+ dprintk("vga filter register is set to %x", state->cfg->vga_filter);
+ } else
+ dib0070_write_reg(state, 0x1a, 0x0009);
+ }
+}
-{
- { 570000, 2, 1, 3, 6, 6, 2, 0x4000 | 0x0800 }, /* UHF */
- { 700000, 2, 0, 2, 4, 2, 2, 0x4000 | 0x0800 },
- { 863999, 2, 1, 2, 4, 2, 2, 0x4000 | 0x0800 },
- { 1500000, 0, 1, 1, 2, 2, 4, 0x2000 | 0x0400 }, /* LBAND */
- { 1600000, 0, 1, 1, 2, 2, 4, 0x2000 | 0x0400 },
- { 2000000, 0, 1, 1, 2, 2, 4, 0x2000 | 0x0400 },
- { 0xffffffff, 0, 0, 8, 1, 2, 1, 0x8000 | 0x1000 }, /* SBAND */
+EXPORT_SYMBOL(dib0070_ctrl_agc_filter);
+struct dib0070_tuning {
+ u32 max_freq; /* for every frequency less than or equal to that field: this information is correct */
+ u8 switch_trim;
+ u8 vco_band;
+ u8 hfdiv;
+ u8 vco_multi;
+ u8 presc;
+ u8 wbdmux;
+ u16 tuner_enable;
};
-static const struct dib0070_tuning dib0070_tuning_table[] =
-
-{
- { 115000, 1, 0, 7, 24, 2, 1, 0x8000 | 0x1000 }, /* FM below 92MHz cannot be tuned */
- { 179500, 1, 0, 3, 16, 2, 1, 0x8000 | 0x1000 }, /* VHF */
- { 189999, 1, 1, 3, 16, 2, 1, 0x8000 | 0x1000 },
- { 250000, 1, 0, 6, 12, 2, 1, 0x8000 | 0x1000 },
- { 569999, 2, 1, 5, 6, 2, 2, 0x4000 | 0x0800 }, /* UHF */
- { 699999, 2, 0 ,1, 4, 2, 2, 0x4000 | 0x0800 },
- { 863999, 2, 1, 1, 4, 2, 2, 0x4000 | 0x0800 },
- { 0xffffffff, 0, 1, 0, 2, 2, 4, 0x2000 | 0x0400 }, /* LBAND or everything higher than UHF */
+struct dib0070_lna_match {
+ u32 max_freq; /* for every frequency less than or equal to that field: this information is correct */
+ u8 lna_band;
};
-static const struct dib0070_lna_match dib0070_lna_flip_chip[] =
+static const struct dib0070_tuning dib0070s_tuning_table[] = {
+ {570000, 2, 1, 3, 6, 6, 2, 0x4000 | 0x0800}, /* UHF */
+ {700000, 2, 0, 2, 4, 2, 2, 0x4000 | 0x0800},
+ {863999, 2, 1, 2, 4, 2, 2, 0x4000 | 0x0800},
+ {1500000, 0, 1, 1, 2, 2, 4, 0x2000 | 0x0400}, /* LBAND */
+ {1600000, 0, 1, 1, 2, 2, 4, 0x2000 | 0x0400},
+ {2000000, 0, 1, 1, 2, 2, 4, 0x2000 | 0x0400},
+ {0xffffffff, 0, 0, 8, 1, 2, 1, 0x8000 | 0x1000}, /* SBAND */
+};
-{
- { 180000, 0 }, /* VHF */
- { 188000, 1 },
- { 196400, 2 },
- { 250000, 3 },
- { 550000, 0 }, /* UHF */
- { 590000, 1 },
- { 666000, 3 },
- { 864000, 5 },
- { 1500000, 0 }, /* LBAND or everything higher than UHF */
- { 1600000, 1 },
- { 2000000, 3 },
- { 0xffffffff, 7 },
+static const struct dib0070_tuning dib0070_tuning_table[] = {
+ {115000, 1, 0, 7, 24, 2, 1, 0x8000 | 0x1000}, /* FM below 92MHz cannot be tuned */
+ {179500, 1, 0, 3, 16, 2, 1, 0x8000 | 0x1000}, /* VHF */
+ {189999, 1, 1, 3, 16, 2, 1, 0x8000 | 0x1000},
+ {250000, 1, 0, 6, 12, 2, 1, 0x8000 | 0x1000},
+ {569999, 2, 1, 5, 6, 2, 2, 0x4000 | 0x0800}, /* UHF */
+ {699999, 2, 0, 1, 4, 2, 2, 0x4000 | 0x0800},
+ {863999, 2, 1, 1, 4, 2, 2, 0x4000 | 0x0800},
+ {0xffffffff, 0, 1, 0, 2, 2, 4, 0x2000 | 0x0400}, /* LBAND or everything higher than UHF */
};
-static const struct dib0070_lna_match dib0070_lna[] =
+static const struct dib0070_lna_match dib0070_lna_flip_chip[] = {
+ {180000, 0}, /* VHF */
+ {188000, 1},
+ {196400, 2},
+ {250000, 3},
+ {550000, 0}, /* UHF */
+ {590000, 1},
+ {666000, 3},
+ {864000, 5},
+ {1500000, 0}, /* LBAND or everything higher than UHF */
+ {1600000, 1},
+ {2000000, 3},
+ {0xffffffff, 7},
+};
-{
- { 180000, 0 }, /* VHF */
- { 188000, 1 },
- { 196400, 2 },
- { 250000, 3 },
- { 550000, 2 }, /* UHF */
- { 650000, 3 },
- { 750000, 5 },
- { 850000, 6 },
- { 864000, 7 },
- { 1500000, 0 }, /* LBAND or everything higher than UHF */
- { 1600000, 1 },
- { 2000000, 3 },
- { 0xffffffff, 7 },
+static const struct dib0070_lna_match dib0070_lna[] = {
+ {180000, 0}, /* VHF */
+ {188000, 1},
+ {196400, 2},
+ {250000, 3},
+ {550000, 2}, /* UHF */
+ {650000, 3},
+ {750000, 5},
+ {850000, 6},
+ {864000, 7},
+ {1500000, 0}, /* LBAND or everything higher than UHF */
+ {1600000, 1},
+ {2000000, 3},
+ {0xffffffff, 7},
};
-#define LPF 100 // define for the loop filter 100kHz by default 16-07-06
+#define LPF 100 // define for the loop filter 100kHz by default 16-07-06
static int dib0070_tune_digital(struct dvb_frontend *fe, struct dvb_frontend_parameters *ch)
{
- struct dib0070_state *st = fe->tuner_priv;
-
- const struct dib0070_tuning *tune;
- const struct dib0070_lna_match *lna_match;
-
- enum frontend_tune_state *tune_state = &st->tune_state;
- int ret = 10; /* 1ms is the default delay most of the time */
-
- u8 band = (u8)BAND_OF_FREQUENCY(ch->frequency/1000);
- u32 freq = ch->frequency/1000 + (band == BAND_VHF ? st->cfg->freq_offset_khz_vhf : st->cfg->freq_offset_khz_uhf);
-
-
-
+ struct dib0070_state *state = fe->tuner_priv;
+ const struct dib0070_tuning *tune;
+ const struct dib0070_lna_match *lna_match;
-#ifdef CONFIG_STANDARD_ISDBT
- if (fe->dtv_property_cache.delivery_system == SYS_ISDBT && ch->u.isdbt.sb_mode == 1)
- if ( ( (ch->u.isdbt.sb_conn_total_seg % 2) && (ch->u.isdbt.sb_wanted_seg == ((ch->u.isdbt.sb_conn_total_seg/2) + 1) ) ) ||
- ( ( (ch->u.isdbt.sb_conn_total_seg % 2) == 0) && (ch->u.isdbt.sb_wanted_seg == (ch->u.isdbt.sb_conn_total_seg/2) ) ) ||
- ( ( (ch->u.isdbt.sb_conn_total_seg % 2) == 0) && (ch->u.isdbt.sb_wanted_seg == ((ch->u.isdbt.sb_conn_total_seg/2)+1))) )
- freq += 850;
+ enum frontend_tune_state *tune_state = &state->tune_state;
+ int ret = 10; /* 1ms is the default delay most of the time */
+
+ u8 band = (u8) BAND_OF_FREQUENCY(fe->dtv_property_cache.frequency / 1000);
+ u32 freq = fe->dtv_property_cache.frequency / 1000 + (band == BAND_VHF ? state->cfg->freq_offset_khz_vhf : state->cfg->freq_offset_khz_uhf);
+
+#ifdef CONFIG_SYS_ISDBT
+ if (state->fe->dtv_property_cache.delivery_system == SYS_ISDBT && state->fe->dtv_property_cache.isdbt_sb_mode == 1)
+ if (((state->fe->dtv_property_cache.isdbt_sb_segment_count % 2)
+ && (state->fe->dtv_property_cache.isdbt_sb_segment_idx == ((state->fe->dtv_property_cache.isdbt_sb_segment_count / 2) + 1)))
+ || (((state->fe->dtv_property_cache.isdbt_sb_segment_count % 2) == 0)
+ && (state->fe->dtv_property_cache.isdbt_sb_segment_idx == (state->fe->dtv_property_cache.isdbt_sb_segment_count / 2)))
+ || (((state->fe->dtv_property_cache.isdbt_sb_segment_count % 2) == 0)
+ && (state->fe->dtv_property_cache.isdbt_sb_segment_idx == ((state->fe->dtv_property_cache.isdbt_sb_segment_count / 2) + 1))))
+ freq += 850;
#endif
- if (st->current_rf != freq) {
-
- switch (st->revision) {
- case DIB0070S_P1A:
- tune = dib0070s_tuning_table;
- lna_match = dib0070_lna;
- break;
- default:
- tune = dib0070_tuning_table;
- if (st->cfg->flip_chip)
- lna_match = dib0070_lna_flip_chip;
- else
- lna_match = dib0070_lna;
- break;
- }
- while (freq > tune->max_freq) /* find the right one */
- tune++;
- while (freq > lna_match->max_freq) /* find the right one */
- lna_match++;
-
- st->current_tune_table_index = tune;
- st->lna_match = lna_match;
- }
-
- if (*tune_state == CT_TUNER_START) {
- dprintk( "Tuning for Band: %hd (%d kHz)", band, freq);
- if (st->current_rf != freq) {
- u8 REFDIV;
- u32 FBDiv, Rest, FREF, VCOF_kHz;
- u8 Den;
-
- st->current_rf = freq;
- st->lo4 = (st->current_tune_table_index->vco_band << 11) | (st->current_tune_table_index->hfdiv << 7);
-
-
- dib0070_write_reg(st, 0x17, 0x30);
-
-
- VCOF_kHz = st->current_tune_table_index->vco_multi * freq * 2;
-
- switch (band) {
- case BAND_VHF:
- REFDIV = (u8) ((st->cfg->clock_khz + 9999) / 10000);
- break;
- case BAND_FM:
- REFDIV = (u8) ((st->cfg->clock_khz) / 1000);
- break;
- default:
- REFDIV = (u8) ( st->cfg->clock_khz / 10000);
- break;
- }
- FREF = st->cfg->clock_khz / REFDIV;
-
-
-
- switch (st->revision) {
- case DIB0070S_P1A:
- FBDiv = (VCOF_kHz / st->current_tune_table_index->presc / FREF);
- Rest = (VCOF_kHz / st->current_tune_table_index->presc) - FBDiv * FREF;
- break;
-
- case DIB0070_P1G:
- case DIB0070_P1F:
- default:
- FBDiv = (freq / (FREF / 2));
- Rest = 2 * freq - FBDiv * FREF;
- break;
- }
-
-
- if (Rest < LPF) Rest = 0;
- else if (Rest < 2 * LPF) Rest = 2 * LPF;
- else if (Rest > (FREF - LPF)) { Rest = 0 ; FBDiv += 1; }
- else if (Rest > (FREF - 2 * LPF)) Rest = FREF - 2 * LPF;
- Rest = (Rest * 6528) / (FREF / 10);
-
- Den = 1;
- if (Rest > 0) {
- st->lo4 |= (1 << 14) | (1 << 12);
- Den = 255;
- }
-
-
- dib0070_write_reg(st, 0x11, (u16)FBDiv);
- dib0070_write_reg(st, 0x12, (Den << 8) | REFDIV);
- dib0070_write_reg(st, 0x13, (u16) Rest);
-
- if (st->revision == DIB0070S_P1A) {
-
- if (band == BAND_SBAND) {
- dib0070_set_ctrl_lo5(fe, 2, 4, 3, 0);
- dib0070_write_reg(st, 0x1d,0xFFFF);
- } else
- dib0070_set_ctrl_lo5(fe, 5, 4, 3, 1);
- }
-
+ if (state->current_rf != freq) {
+
+ switch (state->revision) {
+ case DIB0070S_P1A:
+ tune = dib0070s_tuning_table;
+ lna_match = dib0070_lna;
+ break;
+ default:
+ tune = dib0070_tuning_table;
+ if (state->cfg->flip_chip)
+ lna_match = dib0070_lna_flip_chip;
+ else
+ lna_match = dib0070_lna;
+ break;
+ }
+ while (freq > tune->max_freq) /* find the right one */
+ tune++;
+ while (freq > lna_match->max_freq) /* find the right one */
+ lna_match++;
- dib0070_write_reg(st, 0x20, 0x0040 | 0x0020 | 0x0010 | 0x0008 | 0x0002 | 0x0001 | st->current_tune_table_index->tuner_enable);
+ state->current_tune_table_index = tune;
+ state->lna_match = lna_match;
+ }
- dprintk( "REFDIV: %hd, FREF: %d", REFDIV, FREF);
- dprintk( "FBDIV: %d, Rest: %d", FBDiv, Rest);
- dprintk( "Num: %hd, Den: %hd, SD: %hd",(u16) Rest, Den, (st->lo4 >> 12) & 0x1);
- dprintk( "HFDIV code: %hd", st->current_tune_table_index->hfdiv);
- dprintk( "VCO = %hd", st->current_tune_table_index->vco_band);
- dprintk( "VCOF: ((%hd*%d) << 1))", st->current_tune_table_index->vco_multi, freq);
+ if (*tune_state == CT_TUNER_START) {
+ dprintk("Tuning for Band: %hd (%d kHz)", band, freq);
+ if (state->current_rf != freq) {
+ u8 REFDIV;
+ u32 FBDiv, Rest, FREF, VCOF_kHz;
+ u8 Den;
+
+ state->current_rf = freq;
+ state->lo4 = (state->current_tune_table_index->vco_band << 11) | (state->current_tune_table_index->hfdiv << 7);
+
+ dib0070_write_reg(state, 0x17, 0x30);
+
+ VCOF_kHz = state->current_tune_table_index->vco_multi * freq * 2;
+
+ switch (band) {
+ case BAND_VHF:
+ REFDIV = (u8) ((state->cfg->clock_khz + 9999) / 10000);
+ break;
+ case BAND_FM:
+ REFDIV = (u8) ((state->cfg->clock_khz) / 1000);
+ break;
+ default:
+ REFDIV = (u8) (state->cfg->clock_khz / 10000);
+ break;
+ }
+ FREF = state->cfg->clock_khz / REFDIV;
+
+ switch (state->revision) {
+ case DIB0070S_P1A:
+ FBDiv = (VCOF_kHz / state->current_tune_table_index->presc / FREF);
+ Rest = (VCOF_kHz / state->current_tune_table_index->presc) - FBDiv * FREF;
+ break;
+
+ case DIB0070_P1G:
+ case DIB0070_P1F:
+ default:
+ FBDiv = (freq / (FREF / 2));
+ Rest = 2 * freq - FBDiv * FREF;
+ break;
+ }
+
+ if (Rest < LPF)
+ Rest = 0;
+ else if (Rest < 2 * LPF)
+ Rest = 2 * LPF;
+ else if (Rest > (FREF - LPF)) {
+ Rest = 0;
+ FBDiv += 1;
+ } else if (Rest > (FREF - 2 * LPF))
+ Rest = FREF - 2 * LPF;
+ Rest = (Rest * 6528) / (FREF / 10);
+
+ Den = 1;
+ if (Rest > 0) {
+ state->lo4 |= (1 << 14) | (1 << 12);
+ Den = 255;
+ }
+
+ dib0070_write_reg(state, 0x11, (u16) FBDiv);
+ dib0070_write_reg(state, 0x12, (Den << 8) | REFDIV);
+ dib0070_write_reg(state, 0x13, (u16) Rest);
+
+ if (state->revision == DIB0070S_P1A) {
+
+ if (band == BAND_SBAND) {
+ dib0070_set_ctrl_lo5(fe, 2, 4, 3, 0);
+ dib0070_write_reg(state, 0x1d, 0xFFFF);
+ } else
+ dib0070_set_ctrl_lo5(fe, 5, 4, 3, 1);
+ }
+
+ dib0070_write_reg(state, 0x20,
+ 0x0040 | 0x0020 | 0x0010 | 0x0008 | 0x0002 | 0x0001 | state->current_tune_table_index->tuner_enable);
+
+ dprintk("REFDIV: %hd, FREF: %d", REFDIV, FREF);
+ dprintk("FBDIV: %d, Rest: %d", FBDiv, Rest);
+ dprintk("Num: %hd, Den: %hd, SD: %hd", (u16) Rest, Den, (state->lo4 >> 12) & 0x1);
+ dprintk("HFDIV code: %hd", state->current_tune_table_index->hfdiv);
+ dprintk("VCO = %hd", state->current_tune_table_index->vco_band);
+ dprintk("VCOF: ((%hd*%d) << 1))", state->current_tune_table_index->vco_multi, freq);
+
+ *tune_state = CT_TUNER_STEP_0;
+ } else { /* we are already tuned to this frequency - the configuration is correct */
+ ret = 50; /* wakeup time */
+ *tune_state = CT_TUNER_STEP_5;
+ }
+ } else if ((*tune_state > CT_TUNER_START) && (*tune_state < CT_TUNER_STEP_4)) {
+
+ ret = dib0070_captrim(state, tune_state);
+
+ } else if (*tune_state == CT_TUNER_STEP_4) {
+ const struct dib0070_wbd_gain_cfg *tmp = state->cfg->wbd_gain;
+ if (tmp != NULL) {
+ while (freq / 1000 > tmp->freq) /* find the right one */
+ tmp++;
+ dib0070_write_reg(state, 0x0f,
+ (0 << 15) | (1 << 14) | (3 << 12) | (tmp->wbd_gain_val << 9) | (0 << 8) | (1 << 7) | (state->
+ current_tune_table_index->
+ wbdmux << 0));
+ state->wbd_gain_current = tmp->wbd_gain_val;
+ } else {
+ dib0070_write_reg(state, 0x0f,
+ (0 << 15) | (1 << 14) | (3 << 12) | (6 << 9) | (0 << 8) | (1 << 7) | (state->current_tune_table_index->
+ wbdmux << 0));
+ state->wbd_gain_current = 6;
+ }
- *tune_state = CT_TUNER_STEP_0;
- } else { /* we are already tuned to this frequency - the configuration is correct */
- ret = 50; /* wakeup time */
- *tune_state = CT_TUNER_STEP_5;
- }
- } else if ((*tune_state > CT_TUNER_START) && (*tune_state < CT_TUNER_STEP_4)) {
+ dib0070_write_reg(state, 0x06, 0x3fff);
+ dib0070_write_reg(state, 0x07,
+ (state->current_tune_table_index->switch_trim << 11) | (7 << 8) | (state->lna_match->lna_band << 3) | (3 << 0));
+ dib0070_write_reg(state, 0x08, (state->lna_match->lna_band << 10) | (3 << 7) | (127));
+ dib0070_write_reg(state, 0x0d, 0x0d80);
- ret = dib0070_captrim(st, tune_state);
+ dib0070_write_reg(state, 0x18, 0x07ff);
+ dib0070_write_reg(state, 0x17, 0x0033);
- } else if (*tune_state == CT_TUNER_STEP_4) {
- const struct dib0070_wbd_gain_cfg *tmp = st->cfg->wbd_gain;
- if (tmp != NULL) {
- while (freq/1000 > tmp->freq) /* find the right one */
- tmp++;
- dib0070_write_reg(st, 0x0f, (0 << 15) | (1 << 14) | (3 << 12) | (tmp->wbd_gain_val << 9) | (0 << 8) | (1 << 7) | (st->current_tune_table_index->wbdmux << 0));
- st->wbd_gain_current = tmp->wbd_gain_val;
+ *tune_state = CT_TUNER_STEP_5;
+ } else if (*tune_state == CT_TUNER_STEP_5) {
+ dib0070_set_bandwidth(fe, ch);
+ *tune_state = CT_TUNER_STOP;
} else {
- dib0070_write_reg(st, 0x0f, (0 << 15) | (1 << 14) | (3 << 12) | (6 << 9) | (0 << 8) | (1 << 7) | (st->current_tune_table_index->wbdmux << 0));
- st->wbd_gain_current = 6;
+ ret = FE_CALLBACK_TIME_NEVER; /* tuner finished, time to call again infinite */
}
-
- dib0070_write_reg(st, 0x06, 0x3fff);
- dib0070_write_reg(st, 0x07, (st->current_tune_table_index->switch_trim << 11) | (7 << 8) | (st->lna_match->lna_band << 3) | (3 << 0));
- dib0070_write_reg(st, 0x08, (st->lna_match->lna_band << 10) | (3 << 7) | (127));
- dib0070_write_reg(st, 0x0d, 0x0d80);
-
-
- dib0070_write_reg(st, 0x18, 0x07ff);
- dib0070_write_reg(st, 0x17, 0x0033);
-
-
- *tune_state = CT_TUNER_STEP_5;
- } else if (*tune_state == CT_TUNER_STEP_5) {
- dib0070_set_bandwidth(fe, ch);
- *tune_state = CT_TUNER_STOP;
- } else {
- ret = FE_CALLBACK_TIME_NEVER; /* tuner finished, time to call again infinite */
- }
- return ret;
+ return ret;
}
-
static int dib0070_tune(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
{
- struct dib0070_state *state = fe->tuner_priv;
- uint32_t ret;
+ struct dib0070_state *state = fe->tuner_priv;
+ uint32_t ret;
- state->tune_state = CT_TUNER_START;
+ state->tune_state = CT_TUNER_START;
- do {
- ret = dib0070_tune_digital(fe, p);
- if (ret != FE_CALLBACK_TIME_NEVER)
- msleep(ret/10);
- else
- break;
- } while (state->tune_state != CT_TUNER_STOP);
+ do {
+ ret = dib0070_tune_digital(fe, p);
+ if (ret != FE_CALLBACK_TIME_NEVER)
+ msleep(ret / 10);
+ else
+ break;
+ } while (state->tune_state != CT_TUNER_STOP);
- return 0;
+ return 0;
}
static int dib0070_wakeup(struct dvb_frontend *fe)
{
- struct dib0070_state *st = fe->tuner_priv;
- if (st->cfg->sleep)
- st->cfg->sleep(fe, 0);
+ struct dib0070_state *state = fe->tuner_priv;
+ if (state->cfg->sleep)
+ state->cfg->sleep(fe, 0);
return 0;
}
static int dib0070_sleep(struct dvb_frontend *fe)
{
- struct dib0070_state *st = fe->tuner_priv;
- if (st->cfg->sleep)
- st->cfg->sleep(fe, 1);
+ struct dib0070_state *state = fe->tuner_priv;
+ if (state->cfg->sleep)
+ state->cfg->sleep(fe, 1);
return 0;
}
-static const u16 dib0070_p1f_defaults[] =
-
-{
+static const u16 dib0070_p1f_defaults[] = {
7, 0x02,
- 0x0008,
- 0x0000,
- 0x0000,
- 0x0000,
- 0x0000,
- 0x0002,
- 0x0100,
+ 0x0008,
+ 0x0000,
+ 0x0000,
+ 0x0000,
+ 0x0000,
+ 0x0002,
+ 0x0100,
3, 0x0d,
- 0x0d80,
- 0x0001,
- 0x0000,
+ 0x0d80,
+ 0x0001,
+ 0x0000,
4, 0x11,
- 0x0000,
- 0x0103,
- 0x0000,
- 0x0000,
+ 0x0000,
+ 0x0103,
+ 0x0000,
+ 0x0000,
3, 0x16,
- 0x0004 | 0x0040,
- 0x0030,
- 0x07ff,
+ 0x0004 | 0x0040,
+ 0x0030,
+ 0x07ff,
6, 0x1b,
- 0x4112,
- 0xff00,
- 0xc07f,
- 0x0000,
- 0x0180,
- 0x4000 | 0x0800 | 0x0040 | 0x0020 | 0x0010 | 0x0008 | 0x0002 | 0x0001,
+ 0x4112,
+ 0xff00,
+ 0xc07f,
+ 0x0000,
+ 0x0180,
+ 0x4000 | 0x0800 | 0x0040 | 0x0020 | 0x0010 | 0x0008 | 0x0002 | 0x0001,
0,
};
static u16 dib0070_read_wbd_offset(struct dib0070_state *state, u8 gain)
{
- u16 tuner_en = dib0070_read_reg(state, 0x20);
- u16 offset;
-
- dib0070_write_reg(state, 0x18, 0x07ff);
- dib0070_write_reg(state, 0x20, 0x0800 | 0x4000 | 0x0040 | 0x0020 | 0x0010 | 0x0008 | 0x0002 | 0x0001);
- dib0070_write_reg(state, 0x0f, (1 << 14) | (2 << 12) | (gain << 9) | (1 << 8) | (1 << 7) | (0 << 0));
- msleep(9);
- offset = dib0070_read_reg(state, 0x19);
- dib0070_write_reg(state, 0x20, tuner_en);
- return offset;
+ u16 tuner_en = dib0070_read_reg(state, 0x20);
+ u16 offset;
+
+ dib0070_write_reg(state, 0x18, 0x07ff);
+ dib0070_write_reg(state, 0x20, 0x0800 | 0x4000 | 0x0040 | 0x0020 | 0x0010 | 0x0008 | 0x0002 | 0x0001);
+ dib0070_write_reg(state, 0x0f, (1 << 14) | (2 << 12) | (gain << 9) | (1 << 8) | (1 << 7) | (0 << 0));
+ msleep(9);
+ offset = dib0070_read_reg(state, 0x19);
+ dib0070_write_reg(state, 0x20, tuner_en);
+ return offset;
}
static void dib0070_wbd_offset_calibration(struct dib0070_state *state)
{
- u8 gain;
- for (gain = 6; gain < 8; gain++) {
- state->wbd_offset_3_3[gain - 6] = ((dib0070_read_wbd_offset(state, gain) * 8 * 18 / 33 + 1) / 2);
- dprintk( "Gain: %d, WBDOffset (3.3V) = %hd", gain, state->wbd_offset_3_3[gain-6]);
- }
+ u8 gain;
+ for (gain = 6; gain < 8; gain++) {
+ state->wbd_offset_3_3[gain - 6] = ((dib0070_read_wbd_offset(state, gain) * 8 * 18 / 33 + 1) / 2);
+ dprintk("Gain: %d, WBDOffset (3.3V) = %hd", gain, state->wbd_offset_3_3[gain - 6]);
+ }
}
u16 dib0070_wbd_offset(struct dvb_frontend *fe)
{
- struct dib0070_state *st = fe->tuner_priv;
- return st->wbd_offset_3_3[st->wbd_gain_current - 6];
+ struct dib0070_state *state = fe->tuner_priv;
+ const struct dib0070_wbd_gain_cfg *tmp = state->cfg->wbd_gain;
+ u32 freq = fe->dtv_property_cache.frequency / 1000;
+
+ if (tmp != NULL) {
+ while (freq / 1000 > tmp->freq) /* find the right one */
+ tmp++;
+ state->wbd_gain_current = tmp->wbd_gain_val;
+ } else
+ state->wbd_gain_current = 6;
+
+ return state->wbd_offset_3_3[state->wbd_gain_current - 6];
}
EXPORT_SYMBOL(dib0070_wbd_offset);
+
#define pgm_read_word(w) (*w)
static int dib0070_reset(struct dvb_frontend *fe)
{
- struct dib0070_state *state = fe->tuner_priv;
+ struct dib0070_state *state = fe->tuner_priv;
u16 l, r, *n;
HARD_RESET(state);
-
#ifndef FORCE_SBAND_TUNER
if ((dib0070_read_reg(state, 0x22) >> 9) & 0x1)
state->revision = (dib0070_read_reg(state, 0x1f) >> 8) & 0xff;
#else
#warning forcing SBAND
#endif
- state->revision = DIB0070S_P1A;
+ state->revision = DIB0070S_P1A;
/* P1F or not */
- dprintk( "Revision: %x", state->revision);
+ dprintk("Revision: %x", state->revision);
if (state->revision == DIB0070_P1D) {
- dprintk( "Error: this driver is not to be used meant for P1D or earlier");
+ dprintk("Error: this driver is not to be used meant for P1D or earlier");
return -EINVAL;
}
while (l) {
r = pgm_read_word(n++);
do {
- dib0070_write_reg(state, (u8)r, pgm_read_word(n++));
+ dib0070_write_reg(state, (u8) r, pgm_read_word(n++));
r++;
} while (--l);
l = pgm_read_word(n++);
else
r = 2;
-
r |= state->cfg->osc_buffer_state << 3;
dib0070_write_reg(state, 0x10, r);
dib0070_write_reg(state, 0x02, r | (1 << 5));
}
- if (state->revision == DIB0070S_P1A)
- dib0070_set_ctrl_lo5(fe, 2, 4, 3, 0);
- else
+ if (state->revision == DIB0070S_P1A)
+ dib0070_set_ctrl_lo5(fe, 2, 4, 3, 0);
+ else
dib0070_set_ctrl_lo5(fe, 5, 4, state->cfg->charge_pump, state->cfg->enable_third_order_filter);
dib0070_write_reg(state, 0x01, (54 << 9) | 0xc8);
- dib0070_wbd_offset_calibration(state);
+ dib0070_wbd_offset_calibration(state);
- return 0;
+ return 0;
}
-
static int dib0070_release(struct dvb_frontend *fe)
{
kfree(fe->tuner_priv);
static const struct dvb_tuner_ops dib0070_ops = {
.info = {
- .name = "DiBcom DiB0070",
- .frequency_min = 45000000,
- .frequency_max = 860000000,
- .frequency_step = 1000,
- },
- .release = dib0070_release,
-
- .init = dib0070_wakeup,
- .sleep = dib0070_sleep,
- .set_params = dib0070_tune,
-
-// .get_frequency = dib0070_get_frequency,
-// .get_bandwidth = dib0070_get_bandwidth
+ .name = "DiBcom DiB0070",
+ .frequency_min = 45000000,
+ .frequency_max = 860000000,
+ .frequency_step = 1000,
+ },
+ .release = dib0070_release,
+
+ .init = dib0070_wakeup,
+ .sleep = dib0070_sleep,
+ .set_params = dib0070_tune,
+
+// .get_frequency = dib0070_get_frequency,
+// .get_bandwidth = dib0070_get_bandwidth
};
-struct dvb_frontend * dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0070_config *cfg)
+struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0070_config *cfg)
{
struct dib0070_state *state = kzalloc(sizeof(struct dib0070_state), GFP_KERNEL);
if (state == NULL)
state->cfg = cfg;
state->i2c = i2c;
- state->fe = fe;
+ state->fe = fe;
fe->tuner_priv = state;
if (dib0070_reset(fe) != 0)
fe->tuner_priv = state;
return fe;
-free_mem:
+ free_mem:
kfree(state);
fe->tuner_priv = NULL;
return NULL;
}
+
EXPORT_SYMBOL(dib0070_attach);
MODULE_AUTHOR("Patrick Boettcher <pboettcher@dibcom.fr>");
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