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-rw-r--r--drivers/media/dvb/frontends/Kconfig8
-rw-r--r--drivers/media/dvb/frontends/Makefile1
-rw-r--r--drivers/media/dvb/frontends/au8522_decoder.c5
-rw-r--r--drivers/media/dvb/frontends/dib0070.c803
-rw-r--r--drivers/media/dvb/frontends/dib0070.h30
-rw-r--r--drivers/media/dvb/frontends/dib7000p.c33
-rw-r--r--drivers/media/dvb/frontends/dib8000.c2277
-rw-r--r--drivers/media/dvb/frontends/dib8000.h79
-rw-r--r--drivers/media/dvb/frontends/dibx000_common.c95
-rw-r--r--drivers/media/dvb/frontends/dibx000_common.h31
-rw-r--r--drivers/media/dvb/frontends/lgdt3304.c2
-rw-r--r--drivers/media/dvb/frontends/s921_module.c2
12 files changed, 2968 insertions, 398 deletions
diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig
index b794e86..d7c4837 100644
--- a/drivers/media/dvb/frontends/Kconfig
+++ b/drivers/media/dvb/frontends/Kconfig
@@ -484,6 +484,14 @@ config DVB_S921
AN ISDB-T DQPSK, QPSK, 16QAM and 64QAM 1seg tuner module.
Say Y when you want to support this frontend.
+config DVB_DIB8000
+ tristate "DiBcom 8000MB/MC"
+ depends on DVB_CORE && I2C
+ default m if DVB_FE_CUSTOMISE
+ help
+ A driver for DiBcom's DiB8000 ISDB-T/ISDB-Tsb demodulator.
+ Say Y when you want to support this frontend.
+
comment "Digital terrestrial only tuners/PLL"
depends on DVB_CORE
diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile
index 3b49d37..3523767 100644
--- a/drivers/media/dvb/frontends/Makefile
+++ b/drivers/media/dvb/frontends/Makefile
@@ -23,6 +23,7 @@ obj-$(CONFIG_DVB_DIB3000MB) += dib3000mb.o
obj-$(CONFIG_DVB_DIB3000MC) += dib3000mc.o dibx000_common.o
obj-$(CONFIG_DVB_DIB7000M) += dib7000m.o dibx000_common.o
obj-$(CONFIG_DVB_DIB7000P) += dib7000p.o dibx000_common.o
+obj-$(CONFIG_DVB_DIB8000) += dib8000.o dibx000_common.o
obj-$(CONFIG_DVB_MT312) += mt312.o
obj-$(CONFIG_DVB_VES1820) += ves1820.o
obj-$(CONFIG_DVB_VES1X93) += ves1x93.o
diff --git a/drivers/media/dvb/frontends/au8522_decoder.c b/drivers/media/dvb/frontends/au8522_decoder.c
index 9e9a755..74981ee 100644
--- a/drivers/media/dvb/frontends/au8522_decoder.c
+++ b/drivers/media/dvb/frontends/au8522_decoder.c
@@ -792,6 +792,11 @@ static int au8522_probe(struct i2c_client *client,
}
demod_config = kzalloc(sizeof(struct au8522_config), GFP_KERNEL);
+ if (demod_config == NULL) {
+ if (instance == 1)
+ kfree(state);
+ return -ENOMEM;
+ }
demod_config->demod_address = 0x8e >> 1;
state->config = demod_config;
diff --git a/drivers/media/dvb/frontends/dib0070.c b/drivers/media/dvb/frontends/dib0070.c
index da92cbe..2be17b9 100644
--- a/drivers/media/dvb/frontends/dib0070.c
+++ b/drivers/media/dvb/frontends/dib0070.c
@@ -1,12 +1,29 @@
/*
* Linux-DVB Driver for DiBcom's DiB0070 base-band RF Tuner.
*
- * Copyright (C) 2005-7 DiBcom (http://www.dibcom.fr/)
+ * Copyright (C) 2005-9 DiBcom (http://www.dibcom.fr/)
*
* This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, version 2.
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *
+ * This code is more or less generated from another driver, please
+ * excuse some codingstyle oddities.
+ *
*/
+
#include <linux/kernel.h>
#include <linux/i2c.h>
@@ -19,27 +36,65 @@ static int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "turn on debugging (default: 0)");
-#define dprintk(args...) do { if (debug) { printk(KERN_DEBUG "DiB0070: "); printk(args); printk("\n"); } } while (0)
+#define dprintk(args...) do { \
+ if (debug) { \
+ printk(KERN_DEBUG "DiB0070: "); \
+ printk(args); \
+ printk("\n"); \
+ } \
+} while (0)
#define DIB0070_P1D 0x00
#define DIB0070_P1F 0x01
#define DIB0070_P1G 0x03
#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,
+};
+
+#define FE_CALLBACK_TIME_NEVER 0xffffffff
+
struct dib0070_state {
struct i2c_adapter *i2c;
struct dvb_frontend *fe;
const struct dib0070_config *cfg;
u16 wbd_ff_offset;
u8 revision;
+
+ enum frontend_tune_state tune_state;
+ u32 current_rf;
+
+ /* for the captrim binary search */
+ s8 step;
+ u16 adc_diff;
+
+ s8 captrim;
+ s8 fcaptrim;
+ u16 lo4;
+
+ const struct dib0070_tuning *current_tune_table_index;
+ const struct dib0070_lna_match *lna_match;
+
+ u8 wbd_gain_current;
+ u16 wbd_offset_3_3[2];
};
static uint16_t dib0070_read_reg(struct dib0070_state *state, u8 reg)
{
u8 b[2];
struct i2c_msg msg[2] = {
- { .addr = state->cfg->i2c_address, .flags = 0, .buf = &reg, .len = 1 },
- { .addr = state->cfg->i2c_address, .flags = I2C_M_RD, .buf = b, .len = 2 },
+ {.addr = state->cfg->i2c_address,.flags = 0,.buf = &reg,.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");
@@ -51,7 +106,7 @@ static uint16_t dib0070_read_reg(struct dib0070_state *state, u8 reg)
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;
@@ -59,55 +114,71 @@ static int dib0070_write_reg(struct dib0070_state *state, u8 reg, u16 val)
return 0;
}
-#define HARD_RESET(state) do { if (state->cfg->reset) { state->cfg->reset(state->fe,1); msleep(10); state->cfg->reset(state->fe,0); msleep(10); } } while (0)
+#define HARD_RESET(state) do { \
+ state->cfg->sleep(state->fe, 0); \
+ if (state->cfg->reset) { \
+ state->cfg->reset(state->fe,1); msleep(10); \
+ state->cfg->reset(state->fe,0); msleep(10); \
+ } \
+} while (0)
static int dib0070_set_bandwidth(struct dvb_frontend *fe, struct dvb_frontend_parameters *ch)
{
- struct dib0070_state *st = fe->tuner_priv;
- u16 tmp = 0;
- tmp = dib0070_read_reg(st, 0x02) & 0x3fff;
+ 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);
- switch(BANDWIDTH_TO_KHZ(ch->u.ofdm.bandwidth)) {
- case 8000:
- tmp |= (0 << 14);
- break;
- case 7000:
- tmp |= (1 << 14);
- break;
- case 6000:
- tmp |= (2 << 14);
- break;
- case 5000:
- default:
- tmp |= (3 << 14);
- break;
+ 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);
}
- dib0070_write_reg(st, 0x02, tmp);
return 0;
}
-static void dib0070_captrim(struct dib0070_state *st, u16 LO4)
+static int dib0070_captrim(struct dib0070_state *state, enum frontend_tune_state *tune_state)
{
- int8_t captrim, fcaptrim, step_sign, step;
- u16 adc, adc_diff = 3000;
+ int8_t step_sign;
+ u16 adc;
+ int ret = 0;
+ if (*tune_state == CT_TUNER_STEP_0) {
+ dib0070_write_reg(state, 0x0f, 0xed10);
+ dib0070_write_reg(state, 0x17, 0x0034);
- dib0070_write_reg(st, 0x0f, 0xed10);
- dib0070_write_reg(st, 0x17, 0x0034);
+ dib0070_write_reg(state, 0x18, 0x0032);
+ state->step = state->captrim = state->fcaptrim = 64;
+ state->adc_diff = 3000;
+ ret = 20;
- dib0070_write_reg(st, 0x18, 0x0032);
- msleep(2);
+ *tune_state = CT_TUNER_STEP_1;
+ } else if (*tune_state == CT_TUNER_STEP_1) {
+ state->step /= 2;
+ dib0070_write_reg(state, 0x14, state->lo4 | state->captrim);
+ ret = 15;
- step = captrim = fcaptrim = 64;
+ *tune_state = CT_TUNER_STEP_2;
+ } else if (*tune_state == CT_TUNER_STEP_2) {
- do {
- step /= 2;
- dib0070_write_reg(st, 0x14, LO4 | captrim);
- msleep(1);
- adc = dib0070_read_reg(st, 0x19);
+ adc = dib0070_read_reg(state, 0x19);
- dprintk( "CAPTRIM=%hd; ADC = %hd (ADC) & %dmV", 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;
@@ -117,379 +188,430 @@ static void dib0070_captrim(struct dib0070_state *st, u16 LO4)
step_sign = 1;
}
- if (adc < adc_diff) {
- dprintk( "CAPTRIM=%hd is closer to target (%hd/%hd)", captrim, adc, adc_diff);
- adc_diff = adc;
- fcaptrim = 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;
+ }
+ state->captrim += (step_sign * state->step);
+ if (state->step >= 1)
+ *tune_state = CT_TUNER_STEP_1;
+ else
+ *tune_state = CT_TUNER_STEP_3;
- }
- captrim += (step_sign * step);
- } while (step >= 1);
+ } else if (*tune_state == CT_TUNER_STEP_3) {
+ dib0070_write_reg(state, 0x14, state->lo4 | state->fcaptrim);
+ dib0070_write_reg(state, 0x18, 0x07ff);
+ *tune_state = CT_TUNER_STEP_4;
+ }
- dib0070_write_reg(st, 0x14, LO4 | fcaptrim);
- dib0070_write_reg(st, 0x18, 0x07ff);
+ return ret;
}
-#define LPF 100 // define for the loop filter 100kHz by default 16-07-06
-#define LO4_SET_VCO_HFDIV(l, v, h) l |= ((v) << 11) | ((h) << 7)
-#define LO4_SET_SD(l, s) l |= ((s) << 14) | ((s) << 12)
-#define LO4_SET_CTRIM(l, c) l |= (c) << 10
-static int dib0070_tune_digital(struct dvb_frontend *fe, struct dvb_frontend_parameters *ch)
+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 *st = fe->tuner_priv;
- u32 freq = ch->frequency/1000 + (BAND_OF_FREQUENCY(ch->frequency/1000) == BAND_VHF ? st->cfg->freq_offset_khz_vhf : st->cfg->freq_offset_khz_uhf);
-
- u8 band = BAND_OF_FREQUENCY(freq), c;
+ 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);
+ return dib0070_write_reg(state, 0x15, lo5);
+}
- /*******************VCO***********************************/
- u16 lo4 = 0;
+void dib0070_ctrl_agc_filter(struct dvb_frontend *fe, u8 open)
+{
+ struct dib0070_state *state = fe->tuner_priv;
- u8 REFDIV, PRESC = 2;
- u32 FBDiv, Rest, FREF, VCOF_kHz;
- u16 Num, Den;
- /*******************FrontEnd******************************/
- u16 value = 0;
+ 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);
+ }
+}
- dprintk( "Tuning for Band: %hd (%d kHz)", band, freq);
+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;
+};
+struct dib0070_lna_match {
+ u32 max_freq; /* for every frequency less than or equal to that field: this information is correct */
+ u8 lna_band;
+};
- dib0070_write_reg(st, 0x17, 0x30);
+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 */
+};
- dib0070_set_bandwidth(fe, ch); /* c is used as HF */
- switch (st->revision) {
- case DIB0070S_P1A:
- switch (band) {
- case BAND_LBAND:
- LO4_SET_VCO_HFDIV(lo4, 1, 1);
- c = 2;
- break;
- case BAND_SBAND:
- LO4_SET_VCO_HFDIV(lo4, 0, 0);
- LO4_SET_CTRIM(lo4, 1);
- c = 1;
- break;
- case BAND_UHF:
- default:
- if (freq < 570000) {
- LO4_SET_VCO_HFDIV(lo4, 1, 3);
- PRESC = 6; c = 6;
- } else if (freq < 680000) {
- LO4_SET_VCO_HFDIV(lo4, 0, 2);
- c = 4;
- } else {
- LO4_SET_VCO_HFDIV(lo4, 1, 2);
- c = 4;
- }
- break;
- } break;
-
- case DIB0070_P1G:
- case DIB0070_P1F:
- default:
- switch (band) {
- case BAND_FM:
- LO4_SET_VCO_HFDIV(lo4, 0, 7);
- c = 24;
- break;
- case BAND_LBAND:
- LO4_SET_VCO_HFDIV(lo4, 1, 0);
- c = 2;
- break;
- case BAND_VHF:
- if (freq < 180000) {
- LO4_SET_VCO_HFDIV(lo4, 0, 3);
- c = 16;
- } else if (freq < 190000) {
- LO4_SET_VCO_HFDIV(lo4, 1, 3);
- c = 16;
- } else {
- LO4_SET_VCO_HFDIV(lo4, 0, 6);
- c = 12;
- }
- break;
-
- case BAND_UHF:
- default:
- if (freq < 570000) {
- LO4_SET_VCO_HFDIV(lo4, 1, 5);
- c = 6;
- } else if (freq < 700000) {
- LO4_SET_VCO_HFDIV(lo4, 0, 1);
- c = 4;
- } else {
- LO4_SET_VCO_HFDIV(lo4, 1, 1);
- c = 4;
- }
- break;
- }
- break;
- }
+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 */
+};
- dprintk( "HFDIV code: %hd", (lo4 >> 7) & 0xf);
- dprintk( "VCO = %hd", (lo4 >> 11) & 0x3);
+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},
+};
+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},
+};
- VCOF_kHz = (c * freq) * 2;
- dprintk( "VCOF in kHz: %d ((%hd*%d) << 1))",VCOF_kHz, c, freq);
+#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 *state = fe->tuner_priv;
- 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;
+ const struct dib0070_tuning *tune;
+ const struct dib0070_lna_match *lna_match;
- dprintk( "REFDIV: %hd, FREF: %d", REFDIV, FREF);
+ 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 (state->current_rf != freq) {
- switch (st->revision) {
+ switch (state->revision) {
case DIB0070S_P1A:
- FBDiv = (VCOF_kHz / PRESC / FREF);
- Rest = (VCOF_kHz / PRESC) - FBDiv * FREF;
+ tune = dib0070s_tuning_table;
+ lna_match = dib0070_lna;
break;
-
- case DIB0070_P1G:
- case DIB0070_P1F:
default:
- FBDiv = (freq / (FREF / 2));
- Rest = 2 * freq - FBDiv * FREF;
+ tune = dib0070_tuning_table;
+ if (state->cfg->flip_chip)
+ lna_match = dib0070_lna_flip_chip;
+ else
+ lna_match = dib0070_lna;
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);
- dprintk( "FBDIV: %d, Rest: %d", FBDiv, Rest);
-
- Num = 0;
- Den = 1;
+ }
+ while (freq > tune->max_freq) /* find the right one */
+ tune++;
+ while (freq > lna_match->max_freq) /* find the right one */
+ lna_match++;
- if (Rest > 0) {
- LO4_SET_SD(lo4, 1);
- Den = 255;
- Num = (u16)Rest;
+ state->current_tune_table_index = tune;
+ state->lna_match = lna_match;
}
- dprintk( "Num: %hd, Den: %hd, SD: %hd",Num, Den, (lo4 >> 12) & 0x1);
+ 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(st, 0x11, (u16)FBDiv);
+ dib0070_write_reg(state, 0x17, 0x30);
+ VCOF_kHz = state->current_tune_table_index->vco_multi * freq * 2;
- dib0070_write_reg(st, 0x12, (Den << 8) | REFDIV);
-
+ 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;
+ }
- dib0070_write_reg(st, 0x13, Num);
+ 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);
- value = 0x0040 | 0x0020 | 0x0010 | 0x0008 | 0x0002 | 0x0001;
+ if (state->revision == DIB0070S_P1A) {
- switch (band) {
- case BAND_UHF: value |= 0x4000 | 0x0800; break;
- case BAND_LBAND: value |= 0x2000 | 0x0400; break;
- default: value |= 0x8000 | 0x1000; break;
- }
- dib0070_write_reg(st, 0x20, value);
+ 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_captrim(st, lo4);
- if (st->revision == DIB0070S_P1A) {
- if (band == BAND_SBAND)
- dib0070_write_reg(st, 0x15, 0x16e2);
- else
- dib0070_write_reg(st, 0x15, 0x56e5);
- }
+ 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;
+ }
- switch (band) {
- case BAND_UHF: value = 0x7c82; break;
- case BAND_LBAND: value = 0x7c84; break;
- default: value = 0x7c81; break;
- }
- dib0070_write_reg(st, 0x0f, value);
- dib0070_write_reg(st, 0x06, 0x3fff);
-
- /* Front End */
- /* c == TUNE, value = SWITCH */
- c = 0;
- value = 0;
- switch (band) {
- case BAND_FM:
- c = 0; value = 1;
- break;
-
- case BAND_VHF:
- if (freq <= 180000) c = 0;
- else if (freq <= 188200) c = 1;
- else if (freq <= 196400) c = 2;
- else c = 3;
- value = 1;
- break;
-
- case BAND_LBAND:
- if (freq <= 1500000) c = 0;
- else if (freq <= 1600000) c = 1;
- else c = 3;
- break;
-
- case BAND_SBAND:
- c = 7;
- dib0070_write_reg(st, 0x1d,0xFFFF);
- break;
-
- case BAND_UHF:
- default:
- if (st->cfg->flip_chip) {
- if (freq <= 550000) c = 0;
- else if (freq <= 590000) c = 1;
- else if (freq <= 666000) c = 3;
- else c = 5;
- } else {
- if (freq <= 550000) c = 2;
- else if (freq <= 650000) c = 3;
- else if (freq <= 750000) c = 5;
- else if (freq <= 850000) c = 6;
- else c = 7;
- }
- value = 2;
- break;
+ 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);
+
+ dib0070_write_reg(state, 0x18, 0x07ff);
+ dib0070_write_reg(state, 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;
+}
- /* default: LNA_MATCH=7, BIAS=3 */
- dib0070_write_reg(st, 0x07, (value << 11) | (7 << 8) | (c << 3) | (3 << 0));
- dib0070_write_reg(st, 0x08, (c << 10) | (3 << 7) | (127));
- dib0070_write_reg(st, 0x0d, 0x0d80);
+static int dib0070_tune(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
+{
+ struct dib0070_state *state = fe->tuner_priv;
+ uint32_t ret;
+ state->tune_state = CT_TUNER_START;
- dib0070_write_reg(st, 0x18, 0x07ff);
- dib0070_write_reg(st, 0x17, 0x0033);
+ 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;
}
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 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 void dib0070_wbd_calibration(struct dvb_frontend *fe)
+static u16 dib0070_read_wbd_offset(struct dib0070_state *state, u8 gain)
{
- u16 wbd_offs;
- struct dib0070_state *state = fe->tuner_priv;
-
- if (state->cfg->sleep)
- state->cfg->sleep(fe, 0);
+ u16 tuner_en = dib0070_read_reg(state, 0x20);
+ u16 offset;
- dib0070_write_reg(state, 0x0f, 0x6d81);
- dib0070_write_reg(state, 0x20, 0x0040 | 0x0020 | 0x0010 | 0x0008 | 0x0002 | 0x0001);
+ 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);
- wbd_offs = dib0070_read_reg(state, 0x19);
- dib0070_write_reg(state, 0x20, 0);
- state->wbd_ff_offset = ((wbd_offs * 8 * 18 / 33 + 1) / 2);
- dprintk( "WBDStart = %d (Vargen) - FF = %hd", (u32) wbd_offs * 1800/1024, state->wbd_ff_offset);
-
- if (state->cfg->sleep)
- state->cfg->sleep(fe, 1);
-
+ offset = dib0070_read_reg(state, 0x19);
+ dib0070_write_reg(state, 0x20, tuner_en);
+ return offset;
}
-u16 dib0070_wbd_offset(struct dvb_frontend *fe)
+static void dib0070_wbd_offset_calibration(struct dib0070_state *state)
{
- struct dib0070_state *st = fe->tuner_priv;
- return st->wbd_ff_offset;
+ 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]);
+ }
}
-EXPORT_SYMBOL(dib0070_wbd_offset);
-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)
+u16 dib0070_wbd_offset(struct dvb_frontend *fe)
{
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);
- return dib0070_write_reg(state, 0x15, lo5);
+ 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 dib0070_state *state)
+static int dib0070_reset(struct dvb_frontend *fe)
{
+ 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
+#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;
}
@@ -498,7 +620,7 @@ static int dib0070_reset(struct dib0070_state *state)
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++);
@@ -514,24 +636,25 @@ static int dib0070_reset(struct dib0070_state *state)
r |= state->cfg->osc_buffer_state << 3;
dib0070_write_reg(state, 0x10, r);
- dib0070_write_reg(state, 0x1f, (1 << 8) | ((state->cfg->clock_pad_drive & 0xf) << 4));
+ dib0070_write_reg(state, 0x1f, (1 << 8) | ((state->cfg->clock_pad_drive & 0xf) << 5));
if (state->cfg->invert_iq) {
r = dib0070_read_reg(state, 0x02) & 0xffdf;
dib0070_write_reg(state, 0x02, r | (1 << 5));
}
-
if (state->revision == DIB0070S_P1A)
- dib0070_set_ctrl_lo5(state->fe, 4, 7, 3, 1);
+ dib0070_set_ctrl_lo5(fe, 2, 4, 3, 0);
else
- dib0070_set_ctrl_lo5(state->fe, 4, 4, 2, 0);
+ 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);
+
return 0;
}
-
static int dib0070_release(struct dvb_frontend *fe)
{
kfree(fe->tuner_priv);
@@ -539,23 +662,24 @@ static int dib0070_release(struct dvb_frontend *fe)
return 0;
}
-static struct dvb_tuner_ops dib0070_ops = {
+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_digital,
-// .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)
@@ -563,25 +687,24 @@ struct dvb_frontend * dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter
state->cfg = cfg;
state->i2c = i2c;
- state->fe = fe;
+ state->fe = fe;
fe->tuner_priv = state;
- if (dib0070_reset(state) != 0)
+ if (dib0070_reset(fe) != 0)
goto free_mem;
- dib0070_wbd_calibration(fe);
-
printk(KERN_INFO "DiB0070: successfully identified\n");
memcpy(&fe->ops.tuner_ops, &dib0070_ops, sizeof(struct dvb_tuner_ops));
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>");
diff --git a/drivers/media/dvb/frontends/dib0070.h b/drivers/media/dvb/frontends/dib0070.h
index 9670f5d..8a2e1e7 100644
--- a/drivers/media/dvb/frontends/dib0070.h
+++ b/drivers/media/dvb/frontends/dib0070.h
@@ -15,6 +15,11 @@ struct i2c_adapter;
#define DEFAULT_DIB0070_I2C_ADDRESS 0x60
+struct dib0070_wbd_gain_cfg {
+ u16 freq;
+ u16 wbd_gain_val;
+};
+
struct dib0070_config {
u8 i2c_address;
@@ -26,26 +31,28 @@ struct dib0070_config {
int freq_offset_khz_uhf;
int freq_offset_khz_vhf;
- u8 osc_buffer_state; /* 0= normal, 1= tri-state */
- u32 clock_khz;
- u8 clock_pad_drive; /* (Drive + 1) * 2mA */
+ u8 osc_buffer_state; /* 0= normal, 1= tri-state */
+ u32 clock_khz;
+ u8 clock_pad_drive; /* (Drive + 1) * 2mA */
- u8 invert_iq; /* invert Q - in case I or Q is inverted on the board */
+ u8 invert_iq; /* invert Q - in case I or Q is inverted on the board */
- u8 force_crystal_mode; /* if == 0 -> decision is made in the driver default: <24 -> 2, >=24 -> 1 */
+ u8 force_crystal_mode; /* if == 0 -> decision is made in the driver default: <24 -> 2, >=24 -> 1 */
u8 flip_chip;
+ u8 enable_third_order_filter;
+ u8 charge_pump;
+
+ const struct dib0070_wbd_gain_cfg *wbd_gain;
+
+ u8 vga_filter;
};
#if defined(CONFIG_DVB_TUNER_DIB0070) || (defined(CONFIG_DVB_TUNER_DIB0070_MODULE) && defined(MODULE))
-extern struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe,
- struct i2c_adapter *i2c,
- struct dib0070_config *cfg);
+extern struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0070_config *cfg);
extern u16 dib0070_wbd_offset(struct dvb_frontend *);
#else
-static inline struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe,
- struct i2c_adapter *i2c,
- struct dib0070_config *cfg)
+static inline struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0070_config *cfg)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
@@ -57,5 +64,6 @@ static inline u16 dib0070_wbd_offset(struct dvb_frontend *fe)
return -ENODEV;
}
#endif
+extern void dib0070_ctrl_agc_filter(struct dvb_frontend *, u8 open);
#endif
diff --git a/drivers/media/dvb/frontends/dib7000p.c b/drivers/media/dvb/frontends/dib7000p.c
index fc96fbf..55ef6eeb 100644
--- a/drivers/media/dvb/frontends/dib7000p.c
+++ b/drivers/media/dvb/frontends/dib7000p.c
@@ -10,6 +10,7 @@
#include <linux/kernel.h>
#include <linux/i2c.h>
+#include "dvb_math.h"
#include "dvb_frontend.h"
#include "dib7000p.h"
@@ -1217,7 +1218,37 @@ static int dib7000p_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
static int dib7000p_read_snr(struct dvb_frontend* fe, u16 *snr)
{
- *snr = 0x0000;
+ struct dib7000p_state *state = fe->demodulator_priv;
+ u16 val;
+ s32 signal_mant, signal_exp, noise_mant, noise_exp;
+ u32 result = 0;
+
+ val = dib7000p_read_word(state, 479);
+ noise_mant = (val >> 4) & 0xff;
+ noise_exp = ((val & 0xf) << 2);
+ val = dib7000p_read_word(state, 480);
+ noise_exp += ((val >> 14) & 0x3);
+ if ((noise_exp & 0x20) != 0)
+ noise_exp -= 0x40;
+
+ signal_mant = (val >> 6) & 0xFF;
+ signal_exp = (val & 0x3F);
+ if ((signal_exp & 0x20) != 0)
+ signal_exp -= 0x40;
+
+ if (signal_mant != 0)
+ result = intlog10(2) * 10 * signal_exp + 10 *
+ intlog10(signal_mant);
+ else
+ result = intlog10(2) * 10 * signal_exp - 100;
+
+ if (noise_mant != 0)
+ result -= intlog10(2) * 10 * noise_exp + 10 *
+ intlog10(noise_mant);
+ else
+ result -= intlog10(2) * 10 * noise_exp - 100;
+
+ *snr = result / ((1 << 24) / 10);
return 0;
}
diff --git a/drivers/media/dvb/frontends/dib8000.c b/drivers/media/dvb/frontends/dib8000.c
new file mode 100644
index 0000000..852c790
--- /dev/null
+++ b/drivers/media/dvb/frontends/dib8000.c
@@ -0,0 +1,2277 @@
+/*
+ * Linux-DVB Driver for DiBcom's DiB8000 chip (ISDB-T).
+ *
+ * Copyright (C) 2009 DiBcom (http://www.dibcom.fr/)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, version 2.
+ */
+#include <linux/kernel.h>
+#include <linux/i2c.h>
+#include "dvb_math.h"
+
+#include "dvb_frontend.h"
+
+#include "dib8000.h"
+
+#define LAYER_ALL -1
+#define LAYER_A 1
+#define LAYER_B 2
+#define LAYER_C 3
+
+#define FE_CALLBACK_TIME_NEVER 0xffffffff
+
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "turn on debugging (default: 0)");
+
+#define dprintk(args...) do { if (debug) { printk(KERN_DEBUG "DiB8000: "); printk(args); printk("\n"); } } while (0)
+
+enum frontend_tune_state {
+ CT_AGC_START = 20,
+ CT_AGC_STEP_0,
+ CT_AGC_STEP_1,
+ CT_AGC_STEP_2,
+ CT_AGC_STEP_3,
+ CT_AGC_STEP_4,
+ CT_AGC_STOP,
+
+ CT_DEMOD_START = 30,
+};
+
+#define FE_STATUS_TUNE_FAILED 0
+
+struct i2c_device {
+ struct i2c_adapter *adap;
+ u8 addr;
+};
+
+struct dib8000_state {
+ struct dvb_frontend fe;
+ struct dib8000_config cfg;
+
+ struct i2c_device i2c;
+
+ struct dibx000_i2c_master i2c_master;
+
+ u16 wbd_ref;
+
+ u8 current_band;
+ u32 current_bandwidth;
+ struct dibx000_agc_config *current_agc;
+ u32 timf;
+ u32 timf_default;
+
+ u8 div_force_off:1;
+ u8 div_state:1;
+ u16 div_sync_wait;
+
+ u8 agc_state;
+ u8 differential_constellation;
+ u8 diversity_onoff;
+
+ s16 ber_monitored_layer;
+ u16 gpio_dir;
+ u16 gpio_val;
+
+ u16 revision;
+ u8 isdbt_cfg_loaded;
+ enum frontend_tune_state tune_state;
+ u32 status;
+};
+
+enum dib8000_power_mode {
+ DIB8000M_POWER_ALL = 0,
+ DIB8000M_POWER_INTERFACE_ONLY,
+};
+
+static u16 dib8000_i2c_read16(struct i2c_device *i2c, u16 reg)
+{
+ u8 wb[2] = { reg >> 8, reg & 0xff };
+ u8 rb[2];
+ struct i2c_msg msg[2] = {
+ {.addr = i2c->addr >> 1,.flags = 0,.buf = wb,.len = 2},
+ {.addr = i2c->addr >> 1,.flags = I2C_M_RD,.buf = rb,.len = 2},
+ };
+
+ if (i2c_transfer(i2c->adap, msg, 2) != 2)
+ dprintk("i2c read error on %d", reg);
+
+ return (rb[0] << 8) | rb[1];
+}
+
+static u16 dib8000_read_word(struct dib8000_state *state, u16 reg)
+{
+ return dib8000_i2c_read16(&state->i2c, reg);
+}
+
+static u32 dib8000_read32(struct dib8000_state *state, u16 reg)
+{
+ u16 rw[2];
+
+ rw[0] = dib8000_read_word(state, reg + 0);
+ rw[1] = dib8000_read_word(state, reg + 1);
+
+ return ((rw[0] << 16) | (rw[1]));
+}
+
+static int dib8000_i2c_write16(struct i2c_device *i2c, u16 reg, u16 val)
+{
+ u8 b[4] = {
+ (reg >> 8) & 0xff, reg & 0xff,
+ (val >> 8) & 0xff, val & 0xff,
+ };
+ struct i2c_msg msg = {
+ .addr = i2c->addr >> 1,.flags = 0,.buf = b,.len = 4
+ };
+ return i2c_transfer(i2c->adap, &msg, 1) != 1 ? -EREMOTEIO : 0;
+}
+
+static int dib8000_write_word(struct dib8000_state *state, u16 reg, u16 val)
+{
+ return dib8000_i2c_write16(&state->i2c, reg, val);
+}
+
+const int16_t coeff_2k_sb_1seg_dqpsk[8] = {
+ (769 << 5) | 0x0a, (745 << 5) | 0x03, (595 << 5) | 0x0d, (769 << 5) | 0x0a, (920 << 5) | 0x09, (784 << 5) | 0x02, (519 << 5) | 0x0c,
+ (920 << 5) | 0x09
+};
+
+const int16_t coeff_2k_sb_1seg[8] = {
+ (692 << 5) | 0x0b, (683 << 5) | 0x01, (519 << 5) | 0x09, (692 << 5) | 0x0b, 0 | 0x1f, 0 | 0x1f, 0 | 0x1f, 0 | 0x1f
+};
+
+const int16_t coeff_2k_sb_3seg_0dqpsk_1dqpsk[8] = {
+ (832 << 5) | 0x10, (912 << 5) | 0x05, (900 << 5) | 0x12, (832 << 5) | 0x10, (-931 << 5) | 0x0f, (912 << 5) | 0x04, (807 << 5) | 0x11,
+ (-931 << 5) | 0x0f
+};
+
+const int16_t coeff_2k_sb_3seg_0dqpsk[8] = {
+ (622 << 5) | 0x0c, (941 << 5) | 0x04, (796 << 5) | 0x10, (622 << 5) | 0x0c, (982 << 5) | 0x0c, (519 << 5) | 0x02, (572 << 5) | 0x0e,
+ (982 << 5) | 0x0c
+};
+
+const int16_t coeff_2k_sb_3seg_1dqpsk[8] = {
+ (699 << 5) | 0x14, (607 << 5) | 0x04, (944 << 5) | 0x13, (699 << 5) | 0x14, (-720 << 5) | 0x0d, (640 << 5) | 0x03, (866 << 5) | 0x12,
+ (-720 << 5) | 0x0d
+};
+
+const int16_t coeff_2k_sb_3seg[8] = {
+ (664 << 5) | 0x0c, (925 << 5) | 0x03, (937 << 5) | 0x10, (664 << 5) | 0x0c, (-610 << 5) | 0x0a, (697 << 5) | 0x01, (836 << 5) | 0x0e,
+ (-610 << 5) | 0x0a
+};
+
+const int16_t coeff_4k_sb_1seg_dqpsk[8] = {
+ (-955 << 5) | 0x0e, (687 << 5) | 0x04, (818 << 5) | 0x10, (-955 << 5) | 0x0e, (-922 << 5) | 0x0d, (750 << 5) | 0x03, (665 << 5) | 0x0f,
+ (-922 << 5) | 0x0d
+};
+
+const int16_t coeff_4k_sb_1seg[8] = {
+ (638 << 5) | 0x0d, (683 << 5) | 0x02, (638 << 5) | 0x0d, (638 << 5) | 0x0d, (-655 << 5) | 0x0a, (517 << 5) | 0x00, (698 << 5) | 0x0d,
+ (-655 << 5) | 0x0a
+};
+
+const int16_t coeff_4k_sb_3seg_0dqpsk_1dqpsk[8] = {
+ (-707 << 5) | 0x14, (910 << 5) | 0x06, (889 << 5) | 0x16, (-707 << 5) | 0x14, (-958 << 5) | 0x13, (993 << 5) | 0x05, (523 << 5) | 0x14,
+ (-958 << 5) | 0x13
+};
+
+const int16_t coeff_4k_sb_3seg_0dqpsk[8] = {
+ (-723 << 5) | 0x13, (910 << 5) | 0x05, (777 << 5) | 0x14, (-723 << 5) | 0x13, (-568 << 5) | 0x0f, (547 << 5) | 0x03, (696 << 5) | 0x12,
+ (-568 << 5) | 0x0f
+};
+
+const int16_t coeff_4k_sb_3seg_1dqpsk[8] = {
+ (-940 << 5) | 0x15, (607 << 5) | 0x05, (915 << 5) | 0x16, (-940 << 5) | 0x15, (-848 << 5) | 0x13, (683 << 5) | 0x04, (543 << 5) | 0x14,
+ (-848 << 5) | 0x13
+};
+
+const int16_t coeff_4k_sb_3seg[8] = {
+ (612 << 5) | 0x12, (910 << 5) | 0x04, (864 << 5) | 0x14, (612 << 5) | 0x12, (-869 << 5) | 0x13, (683 << 5) | 0x02, (869 << 5) | 0x12,
+ (-869 << 5) | 0x13
+};
+
+const int16_t coeff_8k_sb_1seg_dqpsk[8] = {
+ (-835 << 5) | 0x12, (684 << 5) | 0x05, (735 << 5) | 0x14, (-835 << 5) | 0x12, (-598 << 5) | 0x10, (781 << 5) | 0x04, (739 << 5) | 0x13,
+ (-598 << 5) | 0x10
+};
+
+const int16_t coeff_8k_sb_1seg[8] = {
+ (673 << 5) | 0x0f, (683 << 5) | 0x03, (808 << 5) | 0x12, (673 << 5) | 0x0f, (585 << 5) | 0x0f, (512 << 5) | 0x01, (780 << 5) | 0x0f,
+ (585 << 5) | 0x0f
+};
+
+const int16_t coeff_8k_sb_3seg_0dqpsk_1dqpsk[8] = {
+ (863 << 5) | 0x17, (930 << 5) | 0x07, (878 << 5) | 0x19, (863 << 5) | 0x17, (0 << 5) | 0x14, (521 << 5) | 0x05, (980 << 5) | 0x18,
+ (0 << 5) | 0x14
+};
+
+const int16_t coeff_8k_sb_3seg_0dqpsk[8] = {
+ (-924 << 5) | 0x17, (910 << 5) | 0x06, (774 << 5) | 0x17, (-924 << 5) | 0x17, (-877 << 5) | 0x15, (565 << 5) | 0x04, (553 << 5) | 0x15,
+ (-877 << 5) | 0x15
+};
+
+const int16_t coeff_8k_sb_3seg_1dqpsk[8] = {
+ (-921 << 5) | 0x19, (607 << 5) | 0x06, (881 << 5) | 0x19, (-921 << 5) | 0x19, (-921 << 5) | 0x14, (713 << 5) | 0x05, (1018 << 5) | 0x18,
+ (-921 << 5) | 0x14
+};
+
+const int16_t coeff_8k_sb_3seg[8] = {
+ (514 << 5) | 0x14, (910 << 5) | 0x05, (861 << 5) | 0x17, (514 << 5) | 0x14, (690 << 5) | 0x14, (683 << 5) | 0x03, (662 << 5) | 0x15,
+ (690 << 5) | 0x14
+};
+
+const int16_t ana_fe_coeff_3seg[24] = {
+ 81, 80, 78, 74, 68, 61, 54, 45, 37, 28, 19, 11, 4, 1022, 1017, 1013, 1010, 1008, 1008, 1008, 1008, 1010, 1014, 1017
+};
+
+const int16_t ana_fe_coeff_1seg[24] = {
+ 249, 226, 164, 82, 5, 981, 970, 988, 1018, 20, 31, 26, 8, 1012, 1000, 1018, 1012, 8, 15, 14, 9, 3, 1017, 1003
+};
+
+const int16_t ana_fe_coeff_13seg[24] = {
+ 396, 305, 105, -51, -77, -12, 41, 31, -11, -30, -11, 14, 15, -2, -13, -7, 5, 8, 1, -6, -7, -3, 0, 1
+};
+
+static u16 fft_to_mode(struct dib8000_state *state)
+{
+ u16 mode;
+ switch (state->fe.dtv_property_cache.transmission_mode) {
+ case TRANSMISSION_MODE_2K:
+ mode = 1;
+ break;
+ case TRANSMISSION_MODE_4K:
+ mode = 2;
+ break;
+ default:
+ case TRANSMISSION_MODE_AUTO:
+ case TRANSMISSION_MODE_8K:
+ mode = 3;
+ break;
+ }
+ return mode;
+}
+
+static void dib8000_set_acquisition_mode(struct dib8000_state *state)
+{
+ u16 nud = dib8000_read_word(state, 298);
+ nud |= (1 << 3) | (1 << 0);
+ dprintk("acquisition mode activated");
+ dib8000_write_word(state, 298, nud);
+}
+
+static int dib8000_set_output_mode(struct dib8000_state *state, int mode)
+{
+ u16 outreg, fifo_threshold, smo_mode, sram = 0x0205; /* by default SDRAM deintlv is enabled */
+
+ outreg = 0;
+ fifo_threshold = 1792;
+ smo_mode = (dib8000_read_word(state, 299) & 0x0050) | (1 << 1);
+
+ dprintk("-I- Setting output mode for demod %p to %d", &state->fe, mode);
+
+ switch (mode) {
+ case OUTMODE_MPEG2_PAR_GATED_CLK: // STBs with parallel gated clock
+ outreg = (1 << 10); /* 0x0400 */
+ break;
+ case OUTMODE_MPEG2_PAR_CONT_CLK: // STBs with parallel continues clock
+ outreg = (1 << 10) | (1 << 6); /* 0x0440 */
+ break;
+ case OUTMODE_MPEG2_SERIAL: // STBs with serial input
+ outreg = (1 << 10) | (2 << 6) | (0 << 1); /* 0x0482 */
+ break;
+ case OUTMODE_DIVERSITY:
+ if (state->cfg.hostbus_diversity) {
+ outreg = (1 << 10) | (4 << 6); /* 0x0500 */
+ sram &= 0xfdff;
+ } else
+ sram |= 0x0c00;
+ break;
+ case OUTMODE_MPEG2_FIFO: // e.g. USB feeding
+ smo_mode |= (3 << 1);
+ fifo_threshold = 512;
+ outreg = (1 << 10) | (5 << 6);
+ break;
+ case OUTMODE_HIGH_Z: // disable
+ outreg = 0;
+ break;
+
+ case OUTMODE_ANALOG_ADC:
+ outreg = (1 << 10) | (3 << 6);
+ dib8000_set_acquisition_mode(state);
+ break;
+
+ default:
+ dprintk("Unhandled output_mode passed to be set for demod %p", &state->fe);
+ return -EINVAL;
+ }
+
+ if (state->cfg.output_mpeg2_in_188_bytes)
+ smo_mode |= (1 << 5);
+
+ dib8000_write_word(state, 299, smo_mode);
+ dib8000_write_word(state, 300, fifo_threshold); /* synchronous fread */
+ dib8000_write_word(state, 1286, outreg);
+ dib8000_write_word(state, 1291, sram);
+
+ return 0;
+}
+
+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;
+
+ 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
+ } else {
+ dib8000_write_word(state, 272, 0); //dvsy_off_lmod4 = 0
+ dib8000_write_word(state, 273, sync_wait); // sync_enable = 0; comb_mode = 0
+ }
+ state->diversity_onoff = onoff;
+
+ switch (onoff) {
+ case 0: /* only use the internal way - not the diversity input */
+ dib8000_write_word(state, 270, 1);
+ dib8000_write_word(state, 271, 0);
+ break;
+ case 1: /* both ways */
+ dib8000_write_word(state, 270, 6);
+ dib8000_write_word(state, 271, 6);
+ break;
+ case 2: /* only the diversity input */
+ dib8000_write_word(state, 270, 0);
+ dib8000_write_word(state, 271, 1);
+ break;
+ }
+ return 0;
+}
+
+static void dib8000_set_power_mode(struct dib8000_state *state, enum dib8000_power_mode mode)
+{
+ /* by default everything is going to be powered off */
+ u16 reg_774 = 0x3fff, reg_775 = 0xffff, reg_776 = 0xffff,
+ reg_900 = (dib8000_read_word(state, 900) & 0xfffc) | 0x3, reg_1280 = (dib8000_read_word(state, 1280) & 0x00ff) | 0xff00;
+
+ /* now, depending on the requested mode, we power on */
+ switch (mode) {
+ /* power up everything in the demod */
+ case DIB8000M_POWER_ALL:
+ reg_774 = 0x0000;
+ reg_775 = 0x0000;
+ reg_776 = 0x0000;
+ reg_900 &= 0xfffc;
+ reg_1280 &= 0x00ff;
+ break;
+ case DIB8000M_POWER_INTERFACE_ONLY:
+ reg_1280 &= 0x00ff;
+ break;
+ }
+
+ dprintk("powermode : 774 : %x ; 775 : %x; 776 : %x ; 900 : %x; 1280 : %x", reg_774, reg_775, reg_776, reg_900, reg_1280);
+ dib8000_write_word(state, 774, reg_774);
+ dib8000_write_word(state, 775, reg_775);
+ dib8000_write_word(state, 776, reg_776);
+ dib8000_write_word(state, 900, reg_900);
+ dib8000_write_word(state, 1280, reg_1280);
+}
+
+static int dib8000_set_adc_state(struct dib8000_state *state, enum dibx000_adc_states no)
+{
+ int ret = 0;
+ u16 reg_907 = dib8000_read_word(state, 907), reg_908 = dib8000_read_word(state, 908);
+
+ switch (no) {
+ case DIBX000_SLOW_ADC_ON:
+ reg_908 |= (1 << 1) | (1 << 0);
+ ret |= dib8000_write_word(state, 908, reg_908);
+ reg_908 &= ~(1 << 1);
+ break;
+
+ case DIBX000_SLOW_ADC_OFF:
+ reg_908 |= (1 << 1) | (1 << 0);
+ break;
+
+ case DIBX000_ADC_ON:
+ reg_907 &= 0x0fff;
+ reg_908 &= 0x0003;
+ break;
+
+ case DIBX000_ADC_OFF: // leave the VBG voltage on
+ reg_907 |= (1 << 14) | (1 << 13) | (1 << 12);
+ reg_908 |= (1 << 5) | (1 << 4) | (1 << 3) | (1 << 2);
+ break;
+
+ case DIBX000_VBG_ENABLE:
+ reg_907 &= ~(1 << 15);
+ break;
+
+ case DIBX000_VBG_DISABLE:
+ reg_907 |= (1 << 15);
+ break;
+
+ default:
+ break;
+ }
+
+ ret |= dib8000_write_word(state, 907, reg_907);
+ ret |= dib8000_write_word(state, 908, reg_908);
+
+ return ret;
+}
+
+static int dib8000_set_bandwidth(struct dib8000_state *state, u32 bw)
+{
+ u32 timf;
+
+ if (bw == 0)
+ bw = 6000;
+
+ if (state->timf == 0) {
+ dprintk("using default timf");
+ timf = state->timf_default;
+ } else {
+ dprintk("using updated timf");
+ timf = state->timf;
+ }
+
+ dib8000_write_word(state, 29, (u16) ((timf >> 16) & 0xffff));
+ dib8000_write_word(state, 30, (u16) ((timf) & 0xffff));
+
+ return 0;
+}
+
+static int dib8000_sad_calib(struct dib8000_state *state)
+{
+/* internal */
+ dib8000_write_word(state, 923, (0 << 1) | (0 << 0));
+ dib8000_write_word(state, 924, 776); // 0.625*3.3 / 4096
+
+ /* do the calibration */
+ dib8000_write_word(state, 923, (1 << 0));
+ dib8000_write_word(state, 923, (0 << 0));
+
+ msleep(1);
+ return 0;
+}
+
+int dib8000_set_wbd_ref(struct dvb_frontend *fe, u16 value)
+{
+ struct dib8000_state *state = fe->demodulator_priv;
+ if (value > 4095)
+ value = 4095;
+ 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);
+ dib8000_write_word(state, 23, (u16) (((bw->internal * 1000) >> 16) & 0xffff)); /* P_sec_len */
+ dib8000_write_word(state, 24, (u16) ((bw->internal * 1000) & 0xffff));
+ dib8000_write_word(state, 27, (u16) ((bw->ifreq >> 16) & 0x01ff));
+ dib8000_write_word(state, 28, (u16) (bw->ifreq & 0xffff));
+ dib8000_write_word(state, 26, (u16) ((bw->ifreq >> 25) & 0x0003));
+
+ dib8000_write_word(state, 922, bw->sad_cfg);
+}
+
+static void dib8000_reset_pll(struct dib8000_state *state)
+{
+ const struct dibx000_bandwidth_config *pll = state->cfg.pll;
+ u16 clk_cfg1;
+
+ // clk_cfg0
+ dib8000_write_word(state, 901, (pll->pll_prediv << 8) | (pll->pll_ratio << 0));
+
+ // clk_cfg1
+ clk_cfg1 = (1 << 10) | (0 << 9) | (pll->IO_CLK_en_core << 8) |
+ (pll->bypclk_div << 5) | (pll->enable_refdiv << 4) | (1 << 3) | (pll->pll_range << 1) | (pll->pll_reset << 0);
+
+ dib8000_write_word(state, 902, clk_cfg1);
+ clk_cfg1 = (clk_cfg1 & 0xfff7) | (pll->pll_bypass << 3);
+ dib8000_write_word(state, 902, clk_cfg1);
+
+ dprintk("clk_cfg1: 0x%04x", clk_cfg1); /* 0x507 1 0 1 000 0 0 11 1 */
+
+ /* smpl_cfg: P_refclksel=2, P_ensmplsel=1 nodivsmpl=1 */
+ if (state->cfg.pll->ADClkSrc == 0)
+ dib8000_write_word(state, 904, (0 << 15) | (0 << 12) | (0 << 10) | (pll->modulo << 8) | (pll->ADClkSrc << 7) | (0 << 1));
+ else if (state->cfg.refclksel != 0)
+ dib8000_write_word(state, 904,
+ (0 << 15) | (1 << 12) | ((state->cfg.refclksel & 0x3) << 10) | (pll->modulo << 8) | (pll->
+ ADClkSrc << 7) | (0 << 1));
+ else
+ dib8000_write_word(state, 904, (0 << 15) | (1 << 12) | (3 << 10) | (pll->modulo << 8) | (pll->ADClkSrc << 7) | (0 << 1));
+
+ dib8000_reset_pll_common(state, pll);
+}
+
+static int dib8000_reset_gpio(struct dib8000_state *st)
+{
+ /* reset the GPIOs */
+ dib8000_write_word(st, 1029, st->cfg.gpio_dir);
+ dib8000_write_word(st, 1030, st->cfg.gpio_val);
+
+ /* TODO 782 is P_gpio_od */
+
+ dib8000_write_word(st, 1032, st->cfg.gpio_pwm_pos);
+
+ dib8000_write_word(st, 1037, st->cfg.pwm_freq_div);
+ return 0;
+}
+
+static int dib8000_cfg_gpio(struct dib8000_state *st, u8 num, u8 dir, u8 val)
+{
+ st->cfg.gpio_dir = dib8000_read_word(st, 1029);
+ st->cfg.gpio_dir &= ~(1 << num); /* reset the direction bit */
+ st->cfg.gpio_dir |= (dir & 0x1) << num; /* set the new direction */
+ dib8000_write_word(st, 1029, st->cfg.gpio_dir);
+
+ st->cfg.gpio_val = dib8000_read_word(st, 1030);
+ st->cfg.gpio_val &= ~(1 << num); /* reset the direction bit */
+ st->cfg.gpio_val |= (val & 0x01) << num; /* set the new value */
+ dib8000_write_word(st, 1030, st->cfg.gpio_val);
+
+ dprintk("gpio dir: %x: gpio val: %x", st->cfg.gpio_dir, st->cfg.gpio_val);
+
+ return 0;
+}
+
+int dib8000_set_gpio(struct dvb_frontend *fe, u8 num, u8 dir, u8 val)
+{
+ struct dib8000_state *state = fe->demodulator_priv;
+ return dib8000_cfg_gpio(state, num, dir, val);
+}
+
+EXPORT_SYMBOL(dib8000_set_gpio);
+static const u16 dib8000_defaults[] = {
+ /* auto search configuration - lock0 by default waiting
+ * for cpil_lock; lock1 cpil_lock; lock2 tmcc_sync_lock */
+ 3, 7,
+ 0x0004,
+ 0x0400,
+ 0x0814,
+
+ 12, 11,
+ 0x001b,
+ 0x7740,
+ 0x005b,
+ 0x8d80,
+ 0x01c9,
+ 0xc380,
+ 0x0000,
+ 0x0080,
+ 0x0000,
+ 0x0090,
+ 0x0001,
+ 0xd4c0,
+
+ /*1, 32,
+ 0x6680 // P_corm_thres Lock algorithms configuration */
+
+ 11, 80, /* set ADC level to -16 */
+ (1 << 13) - 825 - 117,
+ (1 << 13) - 837 - 117,
+ (1 << 13) - 811 - 117,
+ (1 << 13) - 766 - 117,
+ (1 << 13) - 737 - 117,
+ (1 << 13) - 693 - 117,
+ (1 << 13) - 648 - 117,
+ (1 << 13) - 619 - 117,
+ (1 << 13) - 575 - 117,
+ (1 << 13) - 531 - 117,
+ (1 << 13) - 501 - 117,
+
+ 4, 108,
+ 0,
+ 0,
+ 0,
+ 0,
+
+ 1, 175,
+ 0x0410,
+ 1, 179,
+ 8192, // P_fft_nb_to_cut
+
+ 6, 181,
+ 0x2800, // P_coff_corthres_ ( 2k 4k 8k ) 0x2800
+ 0x2800,
+ 0x2800,
+ 0x2800, // P_coff_cpilthres_ ( 2k 4k 8k ) 0x2800
+ 0x2800,
+ 0x2800,
+
+ 2, 193,
+ 0x0666, // P_pha3_thres
+ 0x0000, // P_cti_use_cpe, P_cti_use_prog
+
+ 2, 205,
+ 0x200f, // P_cspu_regul, P_cspu_win_cut
+ 0x000f, // P_des_shift_work
+
+ 5, 215,
+ 0x023d, // P_adp_regul_cnt
+ 0x00a4, // P_adp_noise_cnt
+ 0x00a4, // P_adp_regul_ext
+ 0x7ff0, // P_adp_noise_ext
+ 0x3ccc, // P_adp_fil
+
+ 1, 230,
+ 0x0000, // P_2d_byp_ti_num
+
+ 1, 263,
+ 0x800, //P_equal_thres_wgn
+
+ 1, 268,
+ (2 << 9) | 39, // P_equal_ctrl_synchro, P_equal_speedmode
+
+ 1, 270,
+ 0x0001, // P_div_lock0_wait
+ 1, 285,
+ 0x0020, //p_fec_
+ 1, 299,
+ 0x0062, // P_smo_mode, P_smo_rs_discard, P_smo_fifo_flush, P_smo_pid_parse, P_smo_error_discard
+
+ 1, 338,
+ (1 << 12) | // P_ctrl_corm_thres4pre_freq_inh=1
+ (1 << 10) | // P_ctrl_pre_freq_mode_sat=1
+ (0 << 9) | // P_ctrl_pre_freq_inh=0
+ (3 << 5) | // P_ctrl_pre_freq_step=3
+ (1 << 0), // P_pre_freq_win_len=1
+
+ 1, 903,
+ (0 << 4) | 2, // P_divclksel=0 P_divbitsel=2 (was clk=3,bit=1 for MPW)
+
+ 0,
+};
+
+static u16 dib8000_identify(struct i2c_device *client)
+{
+ u16 value;
+
+ //because of glitches sometimes
+ value = dib8000_i2c_read16(client, 896);
+
+ if ((value = dib8000_i2c_read16(client, 896)) != 0x01b3) {
+ dprintk("wrong Vendor ID (read=0x%x)", value);
+ return 0;
+ }
+
+ value = dib8000_i2c_read16(client, 897);
+ if (value != 0x8000 && value != 0x8001 && value != 0x8002) {
+ dprintk("wrong Device ID (%x)", value);
+ return 0;
+ }
+
+ switch (value) {
+ case 0x8000:
+ dprintk("found DiB8000A");
+ break;
+ case 0x8001:
+ dprintk("found DiB8000B");
+ break;
+ case 0x8002:
+ dprintk("found DiB8000C");
+ break;
+ }
+ return value;
+}
+
+static int dib8000_reset(struct dvb_frontend *fe)
+{
+ struct dib8000_state *state = fe->demodulator_priv;
+
+ dib8000_write_word(state, 1287, 0x0003); /* sram lead in, rdy */
+
+ if ((state->revision = dib8000_identify(&state->i2c)) == 0)
+ return -EINVAL;
+
+ if (state->revision == 0x8000)
+ dprintk("error : dib8000 MA not supported");
+
+ dibx000_reset_i2c_master(&state->i2c_master);
+
+ dib8000_set_power_mode(state, DIB8000M_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);
+
+ /* restart all parts */
+ dib8000_write_word(state, 770, 0xffff);
+ dib8000_write_word(state, 771, 0xffff);
+ dib8000_write_word(state, 772, 0xfffc);
+ dib8000_write_word(state, 898, 0x000c); // sad
+ dib8000_write_word(state, 1280, 0x004d);
+ dib8000_write_word(state, 1281, 0x000c);
+
+ dib8000_write_word(state, 770, 0x0000);
+ dib8000_write_word(state, 771, 0x0000);
+ dib8000_write_word(state, 772, 0x0000);
+ dib8000_write_word(state, 898, 0x0004); // sad
+ dib8000_write_word(state, 1280, 0x0000);
+ dib8000_write_word(state, 1281, 0x0000);
+
+ /* drives */
+ if (state->cfg.drives)
+ dib8000_write_word(state, 906, state->cfg.drives);
+ else {
+ dprintk("using standard PAD-drive-settings, please adjust settings in config-struct to be optimal.");
+ dib8000_write_word(state, 906, 0x2d98); // min drive SDRAM - not optimal - adjust
+ }
+
+ dib8000_reset_pll(state);
+
+ if (dib8000_reset_gpio(state) != 0)
+ dprintk("GPIO reset was not successful.");
+
+ if (dib8000_set_output_mode(state, OUTMODE_HIGH_Z) != 0)
+ dprintk("OUTPUT_MODE could not be resetted.");
+
+ state->current_agc = NULL;
+
+ // P_iqc_alpha_pha, P_iqc_alpha_amp, P_iqc_dcc_alpha, ...
+ /* P_iqc_ca2 = 0; P_iqc_impnc_on = 0; P_iqc_mode = 0; */
+ if (state->cfg.pll->ifreq == 0)
+ dib8000_write_word(state, 40, 0x0755); /* P_iqc_corr_inh = 0 enable IQcorr block */
+ else
+ dib8000_write_word(state, 40, 0x1f55); /* P_iqc_corr_inh = 1 disable IQcorr block */
+
+ {
+ u16 l = 0, r;
+ const u16 *n;
+ n = dib8000_defaults;
+ l = *n++;
+ while (l) {
+ r = *n++;
+ do {
+ dib8000_write_word(state, r, *n++);
+ r++;
+ } while (--l);
+ l = *n++;
+ }
+ }
+ state->isdbt_cfg_loaded = 0;
+
+ //div_cfg override for special configs
+ if (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_write_word(state, 1285, dib8000_read_word(state, 1285) & ~(1 << 1));
+
+ dib8000_set_bandwidth(state, 6000);
+
+ dib8000_set_adc_state(state, DIBX000_SLOW_ADC_ON);
+ dib8000_sad_calib(state);
+ dib8000_set_adc_state(state, DIBX000_SLOW_ADC_OFF);
+
+ dib8000_set_power_mode(state, DIB8000M_POWER_INTERFACE_ONLY);
+
+ return 0;
+}
+
+static void dib8000_restart_agc(struct dib8000_state *state)
+{
+ // P_restart_iqc & P_restart_agc
+ dib8000_write_word(state, 770, 0x0a00);
+ dib8000_write_word(state, 770, 0x0000);
+}
+
+static int dib8000_update_lna(struct dib8000_state *state)
+{
+ u16 dyn_gain;
+
+ if (state->cfg.update_lna) {
+ // read dyn_gain here (because it is demod-dependent and not tuner)
+ dyn_gain = dib8000_read_word(state, 390);
+
+ if (state->cfg.update_lna(&state->fe, dyn_gain)) { // LNA has changed
+ dib8000_restart_agc(state);
+ return 1;
+ }
+ }
+ return 0;
+}
+
+static int dib8000_set_agc_config(struct dib8000_state *state, u8 band)
+{
+ struct dibx000_agc_config *agc = NULL;
+ int i;
+ if (state->current_band == band && state->current_agc != NULL)
+ return 0;
+ state->current_band = band;
+
+ for (i = 0; i < state->cfg.agc_config_count; i++)
+ if (state->cfg.agc[i].band_caps & band) {
+ agc = &state->cfg.agc[i];
+ break;
+ }
+
+ if (agc == NULL) {
+ dprintk("no valid AGC configuration found for band 0x%02x", band);
+ return -EINVAL;
+ }
+
+ state->current_agc = agc;
+
+ /* AGC */
+ dib8000_write_word(state, 76, agc->setup);
+ dib8000_write_word(state, 77, agc->inv_gain);
+ dib8000_write_word(state, 78, agc->time_stabiliz);
+ dib8000_write_word(state, 101, (agc->alpha_level << 12) | agc->thlock);
+
+ // Demod AGC loop configuration
+ dib8000_write_word(state, 102, (agc->alpha_mant << 5) | agc->alpha_exp);
+ dib8000_write_word(state, 103, (agc->beta_mant << 6) | agc->beta_exp);
+
+ dprintk("WBD: ref: %d, sel: %d, active: %d, alpha: %d",
+ state->wbd_ref != 0 ? state->wbd_ref : agc->wbd_ref, agc->wbd_sel, !agc->perform_agc_softsplit, agc->wbd_sel);
+
+ /* AGC continued */
+ if (state->wbd_ref != 0)
+ dib8000_write_word(state, 106, state->wbd_ref);
+ else // use default
+ dib8000_write_word(state, 106, agc->wbd_ref);
+ dib8000_write_word(state, 107, (agc->wbd_alpha << 9) | (agc->perform_agc_softsplit << 8));
+ dib8000_write_word(state, 108, agc->agc1_max);
+ dib8000_write_word(state, 109, agc->agc1_min);
+ dib8000_write_word(state, 110, agc->agc2_max);
+ dib8000_write_word(state, 111, agc->agc2_min);
+ dib8000_write_word(state, 112, (agc->agc1_pt1 << 8) | agc->agc1_pt2);
+ dib8000_write_word(state, 113, (agc->agc1_slope1 << 8) | agc->agc1_slope2);
+ dib8000_write_word(state, 114, (agc->agc2_pt1 << 8) | agc->agc2_pt2);
+ dib8000_write_word(state, 115, (agc->agc2_slope1 << 8) | agc->agc2_slope2);
+
+ dib8000_write_word(state, 75, agc->agc1_pt3);
+ dib8000_write_word(state, 923, (dib8000_read_word(state, 923) & 0xffe3) | (agc->wbd_inv << 4) | (agc->wbd_sel << 2)); /*LB : 929 -> 923 */
+
+ return 0;
+}
+
+static int dib8000_agc_soft_split(struct dib8000_state *state)
+{
+ u16 agc, split_offset;
+
+ if (!state->current_agc || !state->current_agc->perform_agc_softsplit || state->current_agc->split.max == 0)
+ return FE_CALLBACK_TIME_NEVER;
+
+ // n_agc_global
+ agc = dib8000_read_word(state, 390);
+
+ if (agc > state->current_agc->split.min_thres)
+ split_offset = state->current_agc->split.min;
+ else if (agc < state->current_agc->split.max_thres)
+ split_offset = state->current_agc->split.max;
+ else
+ split_offset = state->current_agc->split.max *
+ (agc - state->current_agc->split.min_thres) / (state->current_agc->split.max_thres - state->current_agc->split.min_thres);
+
+ dprintk("AGC split_offset: %d", split_offset);
+
+ // P_agc_force_split and P_agc_split_offset
+ dib8000_write_word(state, 107, (dib8000_read_word(state, 107) & 0xff00) | split_offset);
+ return 5000;
+}
+
+static int dib8000_agc_startup(struct dvb_frontend *fe)
+{
+ struct dib8000_state *state = fe->demodulator_priv;
+ enum frontend_tune_state *tune_state = &state->tune_state;
+
+ int ret = 0;
+
+ switch (*tune_state) {
+ case CT_AGC_START:
+ // set power-up level: interf+analog+AGC
+
+ dib8000_set_adc_state(state, DIBX000_ADC_ON);
+
+ if (dib8000_set_agc_config(state, (unsigned char)(BAND_OF_FREQUENCY(fe->dtv_property_cache.frequency / 1000))) != 0) {
+ *tune_state = CT_AGC_STOP;
+ state->status = FE_STATUS_TUNE_FAILED;
+ break;
+ }
+
+ ret = 70;
+ *tune_state = CT_AGC_STEP_0;
+ break;
+
+ case CT_AGC_STEP_0:
+ //AGC initialization
+ if (state->cfg.agc_control)
+ state->cfg.agc_control(&state->fe, 1);
+
+ dib8000_restart_agc(state);
+
+ // wait AGC rough lock time
+ ret = 50;
+ *tune_state = CT_AGC_STEP_1;
+ break;
+
+ case CT_AGC_STEP_1:
+ // wait AGC accurate lock time
+ ret = 70;
+
+ if (dib8000_update_lna(state))
+ // wait only AGC rough lock time
+ ret = 50;
+ else
+ *tune_state = CT_AGC_STEP_2;
+ break;
+
+ case CT_AGC_STEP_2:
+ dib8000_agc_soft_split(state);
+
+ if (state->cfg.agc_control)
+ state->cfg.agc_control(&state->fe, 0);
+
+ *tune_state = CT_AGC_STOP;
+ break;
+ default:
+ ret = dib8000_agc_soft_split(state);
+ break;
+ }
+ return ret;
+
+}
+
+static void dib8000_update_timf(struct dib8000_state *state)
+{
+ u32 timf = state->timf = dib8000_read32(state, 435);
+
+ dib8000_write_word(state, 29, (u16) (timf >> 16));
+ dib8000_write_word(state, 30, (u16) (timf & 0xffff));
+ dprintk("Updated timing frequency: %d (default: %d)", state->timf, state->timf_default);
+}
+
+static void dib8000_set_channel(struct dib8000_state *state, u8 seq, u8 autosearching)
+{
+ u16 mode, max_constellation, seg_diff_mask = 0, nbseg_diff = 0;
+ u8 guard, crate, constellation, timeI;
+ u8 permu_seg[] = { 6, 5, 7, 4, 8, 3, 9, 2, 10, 1, 11, 0, 12 };
+ u16 i, coeff[4], P_cfr_left_edge = 0, P_cfr_right_edge = 0, seg_mask13 = 0x1fff; // All 13 segments enabled
+ const s16 *ncoeff, *ana_fe;
+ u16 tmcc_pow = 0;
+ u16 coff_pow = 0x2800;
+ u16 init_prbs = 0xfff;
+ u16 ana_gain = 0;
+ u16 adc_target_16dB[11] = {
+ (1 << 13) - 825 - 117,
+ (1 << 13) - 837 - 117,
+ (1 << 13) - 811 - 117,
+ (1 << 13) - 766 - 117,
+ (1 << 13) - 737 - 117,
+ (1 << 13) - 693 - 117,
+ (1 << 13) - 648 - 117,
+ (1 << 13) - 619 - 117,
+ (1 << 13) - 575 - 117,
+ (1 << 13) - 531 - 117,
+ (1 << 13) - 501 - 117
+ };
+
+ 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.dtv_property_cache.inversion ^ i);
+
+ if (state->fe.dtv_property_cache.isdbt_sb_mode) {
+ //compute new dds_freq for the seg and adjust prbs
+ int seg_offset =
+ 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);
+ 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.dtv_property_cache.isdbt_sb_segment_count % 2) == 0) // if even
+ dds_offset -= (int)(segtodds / 2);
+
+ if (state->cfg.pll->ifreq == 0) {
+ if ((state->fe.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.dtv_property_cache.delivery_system == SYS_ISDBT) && (state->fe.dtv_property_cache.isdbt_sb_mode == 1)
+ &&
+ (((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)))
+ )) {
+ new_dds -= ((u32) (850 << 22) / clk) << 4; // new_dds = 850 (freq shift in KHz) / Fclk * pow(2,26)
+ }
+ } else {
+ if ((state->fe.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.dtv_property_cache.isdbt_sb_segment_count % 2) // if odd
+ sub_channel = ((state->fe.dtv_property_cache.isdbt_sb_subchannel + (3 * seg_offset) + 1) % 41) / 3;
+ else // if even
+ sub_channel = ((state->fe.dtv_property_cache.isdbt_sb_subchannel + (3 * seg_offset)) % 41) / 3;
+ sub_channel -= 6;
+
+ if (state->fe.dtv_property_cache.transmission_mode == TRANSMISSION_MODE_2K
+ || state->fe.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.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 { // if not state->fe.dtv_property_cache.isdbt_sb_mode
+ 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.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
+
+ max_constellation = DQPSK;
+ for (i = 0; i < 3; i++) {
+ switch (state->fe.dtv_property_cache.layer[i].modulation) {
+ case DQPSK:
+ constellation = 0;
+ break;
+ case QPSK:
+ constellation = 1;
+ break;
+ case QAM_16:
+ constellation = 2;
+ break;
+ case QAM_64:
+ default:
+ constellation = 3;
+ break;
+ }
+
+ switch (state->fe.dtv_property_cache.layer[i].fec) {
+ case FEC_1_2:
+ crate = 1;
+ break;
+ case FEC_2_3:
+ crate = 2;
+ break;
+ case FEC_3_4:
+ crate = 3;
+ break;
+ case FEC_5_6:
+ crate = 5;
+ break;
+ case FEC_7_8:
+ default:
+ crate = 7;
+ break;
+ }
+
+ if ((state->fe.dtv_property_cache.layer[i].interleaving > 0) &&
+ ((state->fe.dtv_property_cache.layer[i].interleaving <= 3) ||
+ (state->fe.dtv_property_cache.layer[i].interleaving == 4 && state->fe.dtv_property_cache.isdbt_sb_mode == 1))
+ )
+ timeI = state->fe.dtv_property_cache.layer[i].interleaving;
+ else
+ timeI = 0;
+ dib8000_write_word(state, 2 + i, (constellation << 10) | ((state->fe.dtv_property_cache.layer[i].segment_count & 0xf) << 6) |
+ (crate << 3) | timeI);
+ if (state->fe.dtv_property_cache.layer[i].segment_count > 0) {
+ switch (max_constellation) {
+ case DQPSK:
+ case QPSK:
+ if (state->fe.dtv_property_cache.layer[i].modulation == QAM_16 ||
+ state->fe.dtv_property_cache.layer[i].modulation == QAM_64)
+ max_constellation = state->fe.dtv_property_cache.layer[i].modulation;
+ break;
+ case QAM_16:
+ if (state->fe.dtv_property_cache.layer[i].modulation == QAM_64)
+ max_constellation = state->fe.dtv_property_cache.layer[i].modulation;
+ break;
+ }
+ }
+ }
+
+ mode = fft_to_mode(state);
+
+ //dib8000_write_word(state, 5, 13); /*p_last_seg = 13*/
+
+ dib8000_write_word(state, 274, (dib8000_read_word(state, 274) & 0xffcf) |
+ ((state->fe.dtv_property_cache.isdbt_partial_reception & 1) << 5) | ((state->fe.dtv_property_cache.
+ isdbt_sb_mode & 1) << 4));
+
+ dprintk("mode = %d ; guard = %d", mode, state->fe.dtv_property_cache.guard_interval);
+
+ /* signal optimization parameter */
+
+ if (state->fe.dtv_property_cache.isdbt_partial_reception) {
+ seg_diff_mask = (state->fe.dtv_property_cache.layer[0].modulation == DQPSK) << permu_seg[0];
+ for (i = 1; i < 3; i++)
+ nbseg_diff +=
+ (state->fe.dtv_property_cache.layer[i].modulation == DQPSK) * state->fe.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.dtv_property_cache.layer[i].modulation == DQPSK) * state->fe.dtv_property_cache.layer[i].segment_count;
+ for (i = 0; i < nbseg_diff; i++)
+ seg_diff_mask |= 1 << permu_seg[i];
+ }
+ dprintk("nbseg_diff = %X (%d)", seg_diff_mask, seg_diff_mask);
+
+ state->differential_constellation = (seg_diff_mask != 0);
+ dib8000_set_diversity_in(&state->fe, state->diversity_onoff);
+
+ if (state->fe.dtv_property_cache.isdbt_sb_mode == 1) { // ISDB-Tsb
+ if (state->fe.dtv_property_cache.isdbt_partial_reception == 1) // 3-segments
+ seg_mask13 = 0x00E0;
+ else // 1-segment
+ seg_mask13 = 0x0040;
+ } else
+ seg_mask13 = 0x1fff;
+
+ // WRITE: Mode & Diff mask
+ dib8000_write_word(state, 0, (mode << 13) | seg_diff_mask);
+
+ if ((seg_diff_mask) || (state->fe.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
+
+ // ---- SMALL ----
+ // P_small_seg_diff
+ dib8000_write_word(state, 352, seg_diff_mask); // ADDR 352
+
+ dib8000_write_word(state, 353, seg_mask13); // ADDR 353
+
+/* // P_small_narrow_band=0, P_small_last_seg=13, P_small_offset_num_car=5 */
+ // dib8000_write_word(state, 351, (state->fe.dtv_property_cache.isdbt_sb_mode << 8) | (13 << 4) | 5 );
+
+ // ---- SMALL ----
+ if (state->fe.dtv_property_cache.isdbt_sb_mode == 1) {
+ switch (state->fe.dtv_property_cache.transmission_mode) {
+ case TRANSMISSION_MODE_2K:
+ if (state->fe.dtv_property_cache.isdbt_partial_reception == 0) { // 1-seg
+ if (state->fe.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.dtv_property_cache.layer[0].modulation == DQPSK) { // DQPSK on central segment
+ if (state->fe.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.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;
+
+ case TRANSMISSION_MODE_4K:
+ if (state->fe.dtv_property_cache.isdbt_partial_reception == 0) { // 1-seg
+ if (state->fe.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.dtv_property_cache.layer[0].modulation == DQPSK) { // DQPSK on central segment
+ if (state->fe.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.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;
+ }
+ }
+ break;
+
+ case TRANSMISSION_MODE_AUTO:
+ case TRANSMISSION_MODE_8K:
+ default:
+ if (state->fe.dtv_property_cache.isdbt_partial_reception == 0) { // 1-seg
+ if (state->fe.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.dtv_property_cache.layer[0].modulation == DQPSK) { // DQPSK on central segment
+ if (state->fe.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.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;
+ }
+ }
+ break;
+ }
+ }
+ if (state->fe.dtv_property_cache.isdbt_sb_mode == 1)
+ 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.dtv_property_cache.isdbt_sb_mode << 9) | (state->fe.dtv_property_cache.isdbt_sb_mode << 8) | (13 << 4) | 5);
+
+ // ---- COFF ----
+ // Carloff, the most robust
+ if (state->fe.dtv_property_cache.isdbt_sb_mode == 1) { // Sound Broadcasting mode - use both TMCC and AC pilots
+
+ // 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.dtv_property_cache.isdbt_partial_reception & 1) << 2)
+ | 0x3);
+
+/* // P_small_coef_ext_enable = 1 */
+/* dib8000_write_word(state, 351, dib8000_read_word(state, 351) | 0x200); */
+
+ if (state->fe.dtv_property_cache.isdbt_partial_reception == 0) { // Sound Broadcasting mode 1 seg
+
+ // 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);
+ }
+
+ } 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);
+
+ // 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_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));
+ }
+ // ---- FFT ----
+ if (state->fe.dtv_property_cache.isdbt_sb_mode == 1 && state->fe.dtv_property_cache.isdbt_partial_reception == 0) // 1-seg
+ 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
+ * 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.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.dtv_property_cache.isdbt_sb_mode == 1) {
+ if (state->fe.dtv_property_cache.isdbt_partial_reception == 0) // Sound Broadcasting mode 1 seg
+ /* 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.dtv_property_cache.isdbt_sb_mode == 1) {
+ if (state->fe.dtv_property_cache.isdbt_partial_reception == 0) // Sound Broadcasting mode 1 seg
+ /* 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.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
+ 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);
+
+ /* 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]);
+
+ // 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);
+ }
+
+ // ---- ANA_FE ----
+ if (state->fe.dtv_property_cache.isdbt_sb_mode) {
+ if (state->fe.dtv_property_cache.isdbt_partial_reception == 1) // 3-segments
+ 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.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]);
+
+ // ---- 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));
+ }
+ }
+ 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.dtv_property_cache.isdbt_sb_mode == 1) { // ISDB-Tsb
+ 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.dtv_property_cache.isdbt_partial_reception == 0 // 1-segment
+ && state->fe.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 ----
+ for (i = 0; i < 3; i++)
+ tmcc_pow +=
+ (((state->fe.dtv_property_cache.layer[i].modulation == DQPSK) * 4 + 1) * state->fe.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 */
+
+ if (state->fe.dtv_property_cache.isdbt_sb_mode == 1)
+ state->isdbt_cfg_loaded = 0;
+ else
+ state->isdbt_cfg_loaded = 1;
+
+}
+
+static int dib8000_autosearch_start(struct dvb_frontend *fe)
+{
+ u8 factor;
+ u32 value;
+ struct dib8000_state *state = fe->demodulator_priv;
+
+ int slist = 0;
+
+ state->fe.dtv_property_cache.inversion = 0;
+ if (!state->fe.dtv_property_cache.isdbt_sb_mode)
+ state->fe.dtv_property_cache.layer[0].segment_count = 13;
+ state->fe.dtv_property_cache.layer[0].modulation = QAM_64;
+ state->fe.dtv_property_cache.layer[0].fec = FEC_2_3;
+ state->fe.dtv_property_cache.layer[0].interleaving = 0;
+
+ //choose the right list, in sb, always do everything
+ if (state->fe.dtv_property_cache.isdbt_sb_mode) {
+ state->fe.dtv_property_cache.transmission_mode = TRANSMISSION_MODE_8K;
+ state->fe.dtv_property_cache.guard_interval = GUARD_INTERVAL_1_8;
+ slist = 7;
+ dib8000_write_word(state, 0, (dib8000_read_word(state, 0) & 0x9fff) | (1 << 13));
+ } else {
+ if (state->fe.dtv_property_cache.guard_interval == GUARD_INTERVAL_AUTO) {
+ if (state->fe.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;
+ } else {
+ if (state->fe.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.dtv_property_cache.transmission_mode == TRANSMISSION_MODE_AUTO)
+ state->fe.dtv_property_cache.transmission_mode = TRANSMISSION_MODE_8K;
+ if (state->fe.dtv_property_cache.guard_interval == GUARD_INTERVAL_AUTO)
+ state->fe.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
+
+ factor = 1;
+
+ //set lock_mask values
+ dib8000_write_word(state, 6, 0x4);
+ 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
+
+ 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);
+
+ }
+
+ return 0;
+}
+
+static int dib8000_autosearch_irq(struct dvb_frontend *fe)
+{
+ 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 (irq_pending & 0x2) { // succeeded
+ dprintk("dib8000_autosearch_irq succeeded");
+ return 2;
+ }
+
+ return 0; // still pending
+}
+
+static int dib8000_tune(struct dvb_frontend *fe)
+{
+ struct dib8000_state *state = fe->demodulator_priv;
+ int ret = 0;
+ u16 value, mode = fft_to_mode(state);
+
+ // we are already tuned - just resuming from suspend
+ if (state == NULL)
+ return -EINVAL;
+
+ dib8000_set_bandwidth(state, state->fe.dtv_property_cache.bandwidth_hz / 1000);
+ dib8000_set_channel(state, 0, 0);
+
+ // restart demod
+ ret |= dib8000_write_word(state, 770, 0x4000);
+ ret |= dib8000_write_word(state, 770, 0x0000);
+ msleep(45);
+
+ /* 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 */
+
+ // never achieved a lock before - wait for timfreq to update
+ if (state->timf == 0) {
+ if (state->fe.dtv_property_cache.isdbt_sb_mode == 1) {
+ if (state->fe.dtv_property_cache.isdbt_partial_reception == 0) // Sound Broadcasting mode 1 seg
+ msleep(300);
+ else // Sound Broadcasting mode 3 seg
+ msleep(500);
+ } else // 13 seg
+ msleep(200);
+ }
+ //dump_reg(state);
+ if (state->fe.dtv_property_cache.isdbt_sb_mode == 1) {
+ if (state->fe.dtv_property_cache.isdbt_partial_reception == 0) { // Sound Broadcasting mode 1 seg
+
+ /* 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);
+
+ /* 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));
+
+ } else { // Sound Broadcasting mode 3 seg
+
+ /* 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);
+
+ ret |= dib8000_write_word(state, 37, (11 - mode) | ((5 + mode) << 5));
+ }
+
+ } 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);
+
+ ret |= dib8000_write_word(state, 37, (10 - mode) | ((5 + mode) << 5));
+
+ }
+
+ // we achieved a coff_cpil_lock - it's time to update the timf
+ if ((dib8000_read_word(state, 568) >> 11) & 0x1)
+ dib8000_update_timf(state);
+
+ //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);
+
+ 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));
+ }
+
+ return ret;
+}
+
+static int dib8000_wakeup(struct dvb_frontend *fe)
+{
+ struct dib8000_state *state = fe->demodulator_priv;
+
+ dib8000_set_power_mode(state, DIB8000M_POWER_ALL);
+ dib8000_set_adc_state(state, DIBX000_ADC_ON);
+ if (dib8000_set_adc_state(state, DIBX000_SLOW_ADC_ON) != 0)
+ dprintk("could not start Slow ADC");
+
+ return 0;
+}
+
+static int dib8000_sleep(struct dvb_frontend *fe)
+{
+ struct dib8000_state *st = fe->demodulator_priv;
+ if (1) {
+ dib8000_set_output_mode(st, OUTMODE_HIGH_Z);
+ dib8000_set_power_mode(st, DIB8000M_POWER_INTERFACE_ONLY);
+ return dib8000_set_adc_state(st, DIBX000_SLOW_ADC_OFF) | dib8000_set_adc_state(st, DIBX000_ADC_OFF);
+ } else {
+
+ return 0;
+ }
+}
+
+static int dib8000_get_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *fep)
+{
+ struct dib8000_state *state = fe->demodulator_priv;
+ u16 i, val = 0;
+
+ fe->dtv_property_cache.bandwidth_hz = 6000000;
+
+ fe->dtv_property_cache.isdbt_sb_mode = dib8000_read_word(state, 508) & 0x1;
+
+ val = dib8000_read_word(state, 570);
+ fe->dtv_property_cache.inversion = (val & 0x40) >> 6;
+ switch ((val & 0x30) >> 4) {
+ case 1:
+ fe->dtv_property_cache.transmission_mode = TRANSMISSION_MODE_2K;
+ break;
+ case 3:
+ default:
+ fe->dtv_property_cache.transmission_mode = TRANSMISSION_MODE_8K;
+ break;
+ }
+
+ switch (val & 0x3) {
+ case 0:
+ fe->dtv_property_cache.guard_interval = GUARD_INTERVAL_1_32;
+ dprintk("dib8000_get_frontend GI = 1/32 ");
+ break;
+ case 1:
+ fe->dtv_property_cache.guard_interval = GUARD_INTERVAL_1_16;
+ dprintk("dib8000_get_frontend GI = 1/16 ");
+ break;
+ case 2:
+ dprintk("dib8000_get_frontend GI = 1/8 ");
+ fe->dtv_property_cache.guard_interval = GUARD_INTERVAL_1_8;
+ break;
+ case 3:
+ dprintk("dib8000_get_frontend GI = 1/4 ");
+ fe->dtv_property_cache.guard_interval = GUARD_INTERVAL_1_4;
+ break;
+ }
+
+ val = dib8000_read_word(state, 505);
+ fe->dtv_property_cache.isdbt_partial_reception = val & 1;
+ dprintk("dib8000_get_frontend : partial_reception = %d ", fe->dtv_property_cache.isdbt_partial_reception);
+
+ for (i = 0; i < 3; i++) {
+ val = dib8000_read_word(state, 493 + i);
+ fe->dtv_property_cache.layer[i].segment_count = val & 0x0F;
+ dprintk("dib8000_get_frontend : Layer %d segments = %d ", i, fe->dtv_property_cache.layer[i].segment_count);
+
+ val = dib8000_read_word(state, 499 + i);
+ fe->dtv_property_cache.layer[i].interleaving = val & 0x3;
+ dprintk("dib8000_get_frontend : Layer %d time_intlv = %d ", i, fe->dtv_property_cache.layer[i].interleaving);
+
+ val = dib8000_read_word(state, 481 + i);
+ switch (val & 0x7) {
+ case 1:
+ fe->dtv_property_cache.layer[i].fec = FEC_1_2;
+ dprintk("dib8000_get_frontend : Layer %d Code Rate = 1/2 ", i);
+ break;
+ case 2:
+ fe->dtv_property_cache.layer[i].fec = FEC_2_3;
+ dprintk("dib8000_get_frontend : Layer %d Code Rate = 2/3 ", i);
+ break;
+ case 3:
+ fe->dtv_property_cache.layer[i].fec = FEC_3_4;
+ dprintk("dib8000_get_frontend : Layer %d Code Rate = 3/4 ", i);
+ break;
+ case 5:
+ fe->dtv_property_cache.layer[i].fec = FEC_5_6;
+ dprintk("dib8000_get_frontend : Layer %d Code Rate = 5/6 ", i);
+ break;
+ default:
+ fe->dtv_property_cache.layer[i].fec = FEC_7_8;
+ dprintk("dib8000_get_frontend : Layer %d Code Rate = 7/8 ", i);
+ break;
+ }
+
+ val = dib8000_read_word(state, 487 + i);
+ switch (val & 0x3) {
+ case 0:
+ dprintk("dib8000_get_frontend : Layer %d DQPSK ", i);
+ fe->dtv_property_cache.layer[i].modulation = DQPSK;
+ break;
+ case 1:
+ fe->dtv_property_cache.layer[i].modulation = QPSK;
+ dprintk("dib8000_get_frontend : Layer %d QPSK ", i);
+ break;
+ case 2:
+ fe->dtv_property_cache.layer[i].modulation = QAM_16;
+ dprintk("dib8000_get_frontend : Layer %d QAM16 ", i);
+ break;
+ case 3:
+ default:
+ dprintk("dib8000_get_frontend : Layer %d QAM64 ", i);
+ fe->dtv_property_cache.layer[i].modulation = QAM_64;
+ break;
+ }
+ }
+ return 0;
+}
+
+static int dib8000_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *fep)
+{
+ struct dib8000_state *state = fe->demodulator_priv;
+ int time, ret;
+
+ dib8000_set_output_mode(state, OUTMODE_HIGH_Z);
+
+ if (fe->ops.tuner_ops.set_params)
+ fe->ops.tuner_ops.set_params(fe, fep);
+
+ /* start up the AGC */
+ state->tune_state = CT_AGC_START;
+ do {
+ time = dib8000_agc_startup(fe);
+ if (time != FE_CALLBACK_TIME_NEVER)
+ msleep(time / 10);
+ else
+ break;
+ } while (state->tune_state != CT_AGC_STOP);
+
+ if (state->fe.dtv_property_cache.frequency == 0) {
+ dprintk("dib8000: must at least specify frequency ");
+ return 0;
+ }
+
+ if (state->fe.dtv_property_cache.bandwidth_hz == 0) {
+ dprintk("dib8000: no bandwidth specified, set to default ");
+ state->fe.dtv_property_cache.bandwidth_hz = 6000000;
+ }
+
+ state->tune_state = CT_DEMOD_START;
+
+ if ((state->fe.dtv_property_cache.delivery_system != SYS_ISDBT) ||
+ (state->fe.dtv_property_cache.inversion == INVERSION_AUTO) ||
+ (state->fe.dtv_property_cache.transmission_mode == TRANSMISSION_MODE_AUTO) ||
+ (state->fe.dtv_property_cache.guard_interval == GUARD_INTERVAL_AUTO) ||
+ (((state->fe.dtv_property_cache.isdbt_layer_enabled & (1 << 0)) != 0) &&
+ (state->fe.dtv_property_cache.layer[0].segment_count != 0xff) &&
+ (state->fe.dtv_property_cache.layer[0].segment_count != 0) &&
+ ((state->fe.dtv_property_cache.layer[0].modulation == QAM_AUTO) ||
+ (state->fe.dtv_property_cache.layer[0].fec == FEC_AUTO))) ||
+ (((state->fe.dtv_property_cache.isdbt_layer_enabled & (1 << 1)) != 0) &&
+ (state->fe.dtv_property_cache.layer[1].segment_count != 0xff) &&
+ (state->fe.dtv_property_cache.layer[1].segment_count != 0) &&
+ ((state->fe.dtv_property_cache.layer[1].modulation == QAM_AUTO) ||
+ (state->fe.dtv_property_cache.layer[1].fec == FEC_AUTO))) ||
+ (((state->fe.dtv_property_cache.isdbt_layer_enabled & (1 << 2)) != 0) &&
+ (state->fe.dtv_property_cache.layer[2].segment_count != 0xff) &&
+ (state->fe.dtv_property_cache.layer[2].segment_count != 0) &&
+ ((state->fe.dtv_property_cache.layer[2].modulation == QAM_AUTO) ||
+ (state->fe.dtv_property_cache.layer[2].fec == FEC_AUTO))) ||
+ (((state->fe.dtv_property_cache.layer[0].segment_count == 0) ||
+ ((state->fe.dtv_property_cache.isdbt_layer_enabled & (1 << 0)) == 0)) &&
+ ((state->fe.dtv_property_cache.layer[1].segment_count == 0) ||
+ ((state->fe.dtv_property_cache.isdbt_layer_enabled & (2 << 0)) == 0)) &&
+ ((state->fe.dtv_property_cache.layer[2].segment_count == 0) || ((state->fe.dtv_property_cache.isdbt_layer_enabled & (3 << 0)) == 0)))) {
+ int i = 800, found;
+
+ dib8000_set_bandwidth(state, fe->dtv_property_cache.bandwidth_hz / 1000);
+ dib8000_autosearch_start(fe);
+ do {
+ msleep(10);
+ found = dib8000_autosearch_irq(fe);
+ } while (found == 0 && i--);
+
+ dprintk("Frequency %d Hz, autosearch returns: %d", fep->frequency, found);
+
+ if (found == 0 || found == 1)
+ return 0; // no channel found
+
+ dib8000_get_frontend(fe, fep);
+ }
+
+ ret = dib8000_tune(fe);
+
+ /* make this a config parameter */
+ dib8000_set_output_mode(state, state->cfg.output_mode);
+
+ return ret;
+}
+
+static int dib8000_read_status(struct dvb_frontend *fe, fe_status_t * stat)
+{
+ struct dib8000_state *state = fe->demodulator_priv;
+ u16 lock = dib8000_read_word(state, 568);
+
+ *stat = 0;
+
+ if ((lock >> 14) & 1) // AGC
+ *stat |= FE_HAS_SIGNAL;
+
+ if ((lock >> 8) & 1) // Equal
+ *stat |= FE_HAS_CARRIER;
+
+ if ((lock >> 3) & 1) // TMCC_SYNC
+ *stat |= FE_HAS_SYNC;
+
+ if ((lock >> 5) & 7) // FEC MPEG
+ *stat |= FE_HAS_LOCK;
+
+ lock = dib8000_read_word(state, 554); // Viterbi Layer A
+ if (lock & 0x01)
+ *stat |= FE_HAS_VITERBI;
+
+ lock = dib8000_read_word(state, 555); // Viterbi Layer B
+ if (lock & 0x01)
+ *stat |= FE_HAS_VITERBI;
+
+ lock = dib8000_read_word(state, 556); // Viterbi Layer C
+ if (lock & 0x01)
+ *stat |= FE_HAS_VITERBI;
+
+ return 0;
+}
+
+static int dib8000_read_ber(struct dvb_frontend *fe, u32 * ber)
+{
+ struct dib8000_state *state = fe->demodulator_priv;
+ *ber = (dib8000_read_word(state, 560) << 16) | dib8000_read_word(state, 561); // 13 segments
+ return 0;
+}
+
+static int dib8000_read_unc_blocks(struct dvb_frontend *fe, u32 * unc)
+{
+ struct dib8000_state *state = fe->demodulator_priv;
+ *unc = dib8000_read_word(state, 565); // packet error on 13 seg
+ return 0;
+}
+
+static int dib8000_read_signal_strength(struct dvb_frontend *fe, u16 * strength)
+{
+ struct dib8000_state *state = fe->demodulator_priv;
+ u16 val = dib8000_read_word(state, 390);
+ *strength = 65535 - val;
+ return 0;
+}
+
+static int dib8000_read_snr(struct dvb_frontend *fe, u16 * snr)
+{
+ struct dib8000_state *state = fe->demodulator_priv;
+ u16 val;
+ s32 signal_mant, signal_exp, noise_mant, noise_exp;
+ u32 result = 0;
+
+ val = dib8000_read_word(state, 542);
+ noise_mant = (val >> 6) & 0xff;
+ noise_exp = (val & 0x3f);
+
+ val = dib8000_read_word(state, 543);
+ signal_mant = (val >> 6) & 0xff;
+ signal_exp = (val & 0x3f);
+
+ if ((noise_exp & 0x20) != 0)
+ noise_exp -= 0x40;
+ if ((signal_exp & 0x20) != 0)
+ signal_exp -= 0x40;
+
+ if (signal_mant != 0)
+ result = intlog10(2) * 10 * signal_exp + 10 * intlog10(signal_mant);
+ else
+ result = intlog10(2) * 10 * signal_exp - 100;
+ if (noise_mant != 0)
+ result -= intlog10(2) * 10 * noise_exp + 10 * intlog10(noise_mant);
+ else
+ result -= intlog10(2) * 10 * noise_exp - 100;
+
+ *snr = result / (1 << 24);
+ return 0;
+}
+
+int dib8000_i2c_enumeration(struct i2c_adapter *host, int no_of_demods, u8 default_addr, u8 first_addr)
+{
+ int k = 0;
+ u8 new_addr = 0;
+ struct i2c_device client = {.adap = host };
+
+ for (k = no_of_demods - 1; k >= 0; k--) {
+ /* designated i2c address */
+ new_addr = first_addr + (k << 1);
+
+ client.addr = new_addr;
+ dib8000_i2c_write16(&client, 1287, 0x0003); /* sram lead in, rdy */
+ if (dib8000_identify(&client) == 0) {
+ dib8000_i2c_write16(&client, 1287, 0x0003); /* sram lead in, rdy */
+ client.addr = default_addr;
+ if (dib8000_identify(&client) == 0) {
+ dprintk("#%d: not identified", k);
+ return -EINVAL;
+ }
+ }
+
+ /* start diversity to pull_down div_str - just for i2c-enumeration */
+ dib8000_i2c_write16(&client, 1286, (1 << 10) | (4 << 6));
+
+ /* set new i2c address and force divstart */
+ dib8000_i2c_write16(&client, 1285, (new_addr << 2) | 0x2);
+ client.addr = new_addr;
+ dib8000_identify(&client);
+
+ dprintk("IC %d initialized (to i2c_address 0x%x)", k, new_addr);
+ }
+
+ for (k = 0; k < no_of_demods; k++) {
+ new_addr = first_addr | (k << 1);
+ client.addr = new_addr;
+
+ // unforce divstr
+ dib8000_i2c_write16(&client, 1285, new_addr << 2);
+
+ /* deactivate div - it was just for i2c-enumeration */
+ dib8000_i2c_write16(&client, 1286, 0);
+ }
+
+ return 0;
+}
+
+EXPORT_SYMBOL(dib8000_i2c_enumeration);
+static int dib8000_fe_get_tune_settings(struct dvb_frontend *fe, struct dvb_frontend_tune_settings *tune)
+{
+ tune->min_delay_ms = 1000;
+ tune->step_size = 0;
+ tune->max_drift = 0;
+ return 0;
+}
+
+static void dib8000_release(struct dvb_frontend *fe)
+{
+ struct dib8000_state *st = fe->demodulator_priv;
+ dibx000_exit_i2c_master(&st->i2c_master);
+ kfree(st);
+}
+
+struct i2c_adapter *dib8000_get_i2c_master(struct dvb_frontend *fe, enum dibx000_i2c_interface intf, int gating)
+{
+ struct dib8000_state *st = fe->demodulator_priv;
+ return dibx000_get_i2c_adapter(&st->i2c_master, intf, gating);
+}
+
+EXPORT_SYMBOL(dib8000_get_i2c_master);
+
+static const struct dvb_frontend_ops dib8000_ops = {
+ .info = {
+ .name = "DiBcom 8000 ISDB-T",
+ .type = FE_OFDM,
+ .frequency_min = 44250000,
+ .frequency_max = 867250000,
+ .frequency_stepsize = 62500,
+ .caps = FE_CAN_INVERSION_AUTO |
+ FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
+ FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
+ FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
+ FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO | FE_CAN_RECOVER | FE_CAN_HIERARCHY_AUTO,
+ },
+
+ .release = dib8000_release,
+
+ .init = dib8000_wakeup,
+ .sleep = dib8000_sleep,
+
+ .set_frontend = dib8000_set_frontend,
+ .get_tune_settings = dib8000_fe_get_tune_settings,
+ .get_frontend = dib8000_get_frontend,
+
+ .read_status = dib8000_read_status,
+ .read_ber = dib8000_read_ber,
+ .read_signal_strength = dib8000_read_signal_strength,
+ .read_snr = dib8000_read_snr,
+ .read_ucblocks = dib8000_read_unc_blocks,
+};
+
+struct dvb_frontend *dib8000_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib8000_config *cfg)
+{
+ struct dvb_frontend *fe;
+ struct dib8000_state *state;
+
+ dprintk("dib8000_attach");
+
+ state = kzalloc(sizeof(struct dib8000_state), GFP_KERNEL);
+ if (state == NULL)
+ return NULL;
+
+ memcpy(&state->cfg, cfg, sizeof(struct dib8000_config));
+ state->i2c.adap = i2c_adap;
+ state->i2c.addr = i2c_addr;
+ state->gpio_val = cfg->gpio_val;
+ state->gpio_dir = cfg->gpio_dir;
+
+ /* Ensure the output mode remains at the previous default if it's
+ * not specifically set by the caller.
+ */
+ if ((state->cfg.output_mode != OUTMODE_MPEG2_SERIAL) && (state->cfg.output_mode != OUTMODE_MPEG2_PAR_GATED_CLK))
+ state->cfg.output_mode = OUTMODE_MPEG2_FIFO;
+
+ fe = &state->fe;
+ fe->demodulator_priv = state;
+ memcpy(&state->fe.ops, &dib8000_ops, sizeof(struct dvb_frontend_ops));
+
+ state->timf_default = cfg->pll->timf;
+
+ if (dib8000_identify(&state->i2c) == 0)
+ goto error;
+
+ dibx000_init_i2c_master(&state->i2c_master, DIB8000, state->i2c.adap, state->i2c.addr);
+
+ dib8000_reset(fe);
+
+ dib8000_write_word(state, 285, (dib8000_read_word(state, 285) & ~0x60) | (3 << 5)); /* ber_rs_len = 3 */
+
+ return fe;
+
+ error:
+ kfree(state);
+ return NULL;
+}
+
+EXPORT_SYMBOL(dib8000_attach);
+
+MODULE_AUTHOR("Olivier Grenie <Olivier.Grenie@dibcom.fr, " "Patrick Boettcher <pboettcher@dibcom.fr>");
+MODULE_DESCRIPTION("Driver for the DiBcom 8000 ISDB-T demodulator");
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/dvb/frontends/dib8000.h b/drivers/media/dvb/frontends/dib8000.h
new file mode 100644
index 0000000..a86de34
--- /dev/null
+++ b/drivers/media/dvb/frontends/dib8000.h
@@ -0,0 +1,79 @@
+#ifndef DIB8000_H
+#define DIB8000_H
+
+#include "dibx000_common.h"
+
+struct dib8000_config {
+ u8 output_mpeg2_in_188_bytes;
+ u8 hostbus_diversity;
+ u8 tuner_is_baseband;
+ int (*update_lna) (struct dvb_frontend *, u16 agc_global);
+
+ u8 agc_config_count;
+ struct dibx000_agc_config *agc;
+ struct dibx000_bandwidth_config *pll;
+
+#define DIB8000_GPIO_DEFAULT_DIRECTIONS 0xffff
+ u16 gpio_dir;
+#define DIB8000_GPIO_DEFAULT_VALUES 0x0000
+ u16 gpio_val;
+#define DIB8000_GPIO_PWM_POS0(v) ((v & 0xf) << 12)
+#define DIB8000_GPIO_PWM_POS1(v) ((v & 0xf) << 8 )
+#define DIB8000_GPIO_PWM_POS2(v) ((v & 0xf) << 4 )
+#define DIB8000_GPIO_PWM_POS3(v) (v & 0xf)
+#define DIB8000_GPIO_DEFAULT_PWM_POS 0xffff
+ u16 gpio_pwm_pos;
+ u16 pwm_freq_div;
+
+ void (*agc_control) (struct dvb_frontend *, u8 before);
+
+ u16 drives;
+ u16 diversity_delay;
+ u8 div_cfg;
+ u8 output_mode;
+ u8 refclksel;
+};
+
+#define DEFAULT_DIB8000_I2C_ADDRESS 18
+
+#if defined(CONFIG_DVB_DIB8000) || (defined(CONFIG_DVB_DIB8000_MODULE) && defined(MODULE))
+extern struct dvb_frontend *dib8000_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib8000_config *cfg);
+extern struct i2c_adapter *dib8000_get_i2c_master(struct dvb_frontend *, enum dibx000_i2c_interface, int);
+
+extern int dib8000_i2c_enumeration(struct i2c_adapter *host, int no_of_demods, u8 default_addr, u8 first_addr);
+
+extern int dib8000_set_gpio(struct dvb_frontend *, u8 num, u8 dir, u8 val);
+extern int dib8000_set_wbd_ref(struct dvb_frontend *, u16 value);
+#else
+static inline struct dvb_frontend *dib8000_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib8000_config *cfg)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+
+static inline struct i2c_adapter *dib8000_get_i2c_master(struct dvb_frontend *fe, enum dibx000_i2c_interface i, int x)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+
+int dib8000_i2c_enumeration(struct i2c_adapter *host, int no_of_demods, u8 default_addr, u8 first_addr)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return -ENODEV;
+}
+
+int dib8000_set_gpio(struct dvb_frontend *fe, u8 num, u8 dir, u8 val)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return -ENODEV;
+}
+
+int dib8000_set_wbd_ref(struct dvb_frontend *fe, u16 value)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return -ENODEV;
+}
+#endif
+
+#endif
diff --git a/drivers/media/dvb/frontends/dibx000_common.c b/drivers/media/dvb/frontends/dibx000_common.c
index 315e09e..4efca30 100644
--- a/drivers/media/dvb/frontends/dibx000_common.c
+++ b/drivers/media/dvb/frontends/dibx000_common.c
@@ -15,29 +15,31 @@ static int dibx000_write_word(struct dibx000_i2c_master *mst, u16 reg, u16 val)
(val >> 8) & 0xff, val & 0xff,
};
struct i2c_msg msg = {
- .addr = mst->i2c_addr, .flags = 0, .buf = b, .len = 4
+ .addr = mst->i2c_addr,.flags = 0,.buf = b,.len = 4
};
return i2c_transfer(mst->i2c_adap, &msg, 1) != 1 ? -EREMOTEIO : 0;
}
-static int dibx000_i2c_select_interface(struct dibx000_i2c_master *mst, enum dibx000_i2c_interface intf)
+static int dibx000_i2c_select_interface(struct dibx000_i2c_master *mst,
+ enum dibx000_i2c_interface intf)
{
if (mst->device_rev > DIB3000MC && mst->selected_interface != intf) {
- dprintk("selecting interface: %d\n",intf);
+ dprintk("selecting interface: %d\n", intf);
mst->selected_interface = intf;
return dibx000_write_word(mst, mst->base_reg + 4, intf);
}
return 0;
}
-static int dibx000_i2c_gate_ctrl(struct dibx000_i2c_master *mst, u8 tx[4], u8 addr, int onoff)
+static int dibx000_i2c_gate_ctrl(struct dibx000_i2c_master *mst, u8 tx[4],
+ u8 addr, int onoff)
{
u16 val;
if (onoff)
- val = addr << 8; // bit 7 = use master or not, if 0, the gate is open
+ val = addr << 8; // bit 7 = use master or not, if 0, the gate is open
else
val = 1 << 7;
@@ -45,7 +47,7 @@ static int dibx000_i2c_gate_ctrl(struct dibx000_i2c_master *mst, u8 tx[4], u8 ad
val <<= 1;
tx[0] = (((mst->base_reg + 1) >> 8) & 0xff);
- tx[1] = ( (mst->base_reg + 1) & 0xff);
+ tx[1] = ((mst->base_reg + 1) & 0xff);
tx[2] = val >> 8;
tx[3] = val & 0xff;
@@ -57,59 +59,78 @@ static u32 dibx000_i2c_func(struct i2c_adapter *adapter)
return I2C_FUNC_I2C;
}
-static int dibx000_i2c_gated_tuner_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msg[], int num)
+static int dibx000_i2c_gated_tuner_xfer(struct i2c_adapter *i2c_adap,
+ struct i2c_msg msg[], int num)
{
struct dibx000_i2c_master *mst = i2c_get_adapdata(i2c_adap);
struct i2c_msg m[2 + num];
u8 tx_open[4], tx_close[4];
- memset(m,0, sizeof(struct i2c_msg) * (2 + num));
+ memset(m, 0, sizeof(struct i2c_msg) * (2 + num));
dibx000_i2c_select_interface(mst, DIBX000_I2C_INTERFACE_TUNER);
- dibx000_i2c_gate_ctrl(mst, tx_open, msg[0].addr, 1);
+ dibx000_i2c_gate_ctrl(mst, tx_open, msg[0].addr, 1);
m[0].addr = mst->i2c_addr;
- m[0].buf = tx_open;
- m[0].len = 4;
+ m[0].buf = tx_open;
+ m[0].len = 4;
memcpy(&m[1], msg, sizeof(struct i2c_msg) * num);
dibx000_i2c_gate_ctrl(mst, tx_close, 0, 0);
- m[num+1].addr = mst->i2c_addr;
- m[num+1].buf = tx_close;
- m[num+1].len = 4;
+ m[num + 1].addr = mst->i2c_addr;
+ m[num + 1].buf = tx_close;
+ m[num + 1].len = 4;
- return i2c_transfer(mst->i2c_adap, m, 2+num) == 2 + num ? num : -EIO;
+ return i2c_transfer(mst->i2c_adap, m, 2 + num) == 2 + num ? num : -EIO;
}
static struct i2c_algorithm dibx000_i2c_gated_tuner_algo = {
- .master_xfer = dibx000_i2c_gated_tuner_xfer,
+ .master_xfer = dibx000_i2c_gated_tuner_xfer,
.functionality = dibx000_i2c_func,
};
-struct i2c_adapter * dibx000_get_i2c_adapter(struct dibx000_i2c_master *mst, enum dibx000_i2c_interface intf, int gating)
+struct i2c_adapter *dibx000_get_i2c_adapter(struct dibx000_i2c_master *mst,
+ enum dibx000_i2c_interface intf,
+ int gating)
{
struct i2c_adapter *i2c = NULL;
switch (intf) {
- case DIBX000_I2C_INTERFACE_TUNER:
- if (gating)
- i2c = &mst->gated_tuner_i2c_adap;
- break;
- default:
- printk(KERN_ERR "DiBX000: incorrect I2C interface selected\n");
- break;
+ case DIBX000_I2C_INTERFACE_TUNER:
+ if (gating)
+ i2c = &mst->gated_tuner_i2c_adap;
+ break;
+ default:
+ printk(KERN_ERR "DiBX000: incorrect I2C interface selected\n");
+ break;
}
return i2c;
}
+
EXPORT_SYMBOL(dibx000_get_i2c_adapter);
-static int i2c_adapter_init(struct i2c_adapter *i2c_adap, struct i2c_algorithm *algo, const char *name, struct dibx000_i2c_master *mst)
+void dibx000_reset_i2c_master(struct dibx000_i2c_master *mst)
+{
+ /* initialize the i2c-master by closing the gate */
+ u8 tx[4];
+ struct i2c_msg m = {.addr = mst->i2c_addr,.buf = tx,.len = 4 };
+
+ dibx000_i2c_gate_ctrl(mst, tx, 0, 0);
+ i2c_transfer(mst->i2c_adap, &m, 1);
+ mst->selected_interface = 0xff; // the first time force a select of the I2C
+ dibx000_i2c_select_interface(mst, DIBX000_I2C_INTERFACE_TUNER);
+}
+
+EXPORT_SYMBOL(dibx000_reset_i2c_master);
+
+static int i2c_adapter_init(struct i2c_adapter *i2c_adap,
+ struct i2c_algorithm *algo, const char *name,
+ struct dibx000_i2c_master *mst)
{
strncpy(i2c_adap->name, name, sizeof(i2c_adap->name));
- i2c_adap->class = I2C_CLASS_TV_DIGITAL,
- i2c_adap->algo = algo;
+ i2c_adap->class = I2C_CLASS_TV_DIGITAL, i2c_adap->algo = algo;
i2c_adap->algo_data = NULL;
i2c_set_adapdata(i2c_adap, mst);
if (i2c_add_adapter(i2c_adap) < 0)
@@ -117,34 +138,40 @@ static int i2c_adapter_init(struct i2c_adapter *i2c_adap, struct i2c_algorithm *
return 0;
}
-int dibx000_init_i2c_master(struct dibx000_i2c_master *mst, u16 device_rev, struct i2c_adapter *i2c_adap, u8 i2c_addr)
+int dibx000_init_i2c_master(struct dibx000_i2c_master *mst, u16 device_rev,
+ struct i2c_adapter *i2c_adap, u8 i2c_addr)
{
u8 tx[4];
- struct i2c_msg m = { .addr = i2c_addr >> 1, .buf = tx, .len = 4 };
+ struct i2c_msg m = {.addr = i2c_addr >> 1,.buf = tx,.len = 4 };
mst->device_rev = device_rev;
- mst->i2c_adap = i2c_adap;
- mst->i2c_addr = i2c_addr >> 1;
+ mst->i2c_adap = i2c_adap;
+ mst->i2c_addr = i2c_addr >> 1;
- if (device_rev == DIB7000P)
+ if (device_rev == DIB7000P || device_rev == DIB8000)
mst->base_reg = 1024;
else
mst->base_reg = 768;
- if (i2c_adapter_init(&mst->gated_tuner_i2c_adap, &dibx000_i2c_gated_tuner_algo, "DiBX000 tuner I2C bus", mst) != 0)
- printk(KERN_ERR "DiBX000: could not initialize the tuner i2c_adapter\n");
+ if (i2c_adapter_init
+ (&mst->gated_tuner_i2c_adap, &dibx000_i2c_gated_tuner_algo,
+ "DiBX000 tuner I2C bus", mst) != 0)
+ printk(KERN_ERR
+ "DiBX000: could not initialize the tuner i2c_adapter\n");
/* initialize the i2c-master by closing the gate */
dibx000_i2c_gate_ctrl(mst, tx, 0, 0);
return i2c_transfer(i2c_adap, &m, 1) == 1;
}
+
EXPORT_SYMBOL(dibx000_init_i2c_master);
void dibx000_exit_i2c_master(struct dibx000_i2c_master *mst)
{
i2c_del_adapter(&mst->gated_tuner_i2c_adap);
}
+
EXPORT_SYMBOL(dibx000_exit_i2c_master);
MODULE_AUTHOR("Patrick Boettcher <pboettcher@dibcom.fr>");
diff --git a/drivers/media/dvb/frontends/dibx000_common.h b/drivers/media/dvb/frontends/dibx000_common.h
index 84e4d53..5be10ec 100644
--- a/drivers/media/dvb/frontends/dibx000_common.h
+++ b/drivers/media/dvb/frontends/dibx000_common.h
@@ -2,7 +2,7 @@
#define DIBX000_COMMON_H
enum dibx000_i2c_interface {
- DIBX000_I2C_INTERFACE_TUNER = 0,
+ DIBX000_I2C_INTERFACE_TUNER = 0,
DIBX000_I2C_INTERFACE_GPIO_1_2 = 1,
DIBX000_I2C_INTERFACE_GPIO_3_4 = 2
};
@@ -12,22 +12,29 @@ struct dibx000_i2c_master {
#define DIB7000 2
#define DIB7000P 11
#define DIB7000MC 12
+#define DIB8000 13
u16 device_rev;
enum dibx000_i2c_interface selected_interface;
-// struct i2c_adapter tuner_i2c_adap;
- struct i2c_adapter gated_tuner_i2c_adap;
+// struct i2c_adapter tuner_i2c_adap;
+ struct i2c_adapter gated_tuner_i2c_adap;
struct i2c_adapter *i2c_adap;
- u8 i2c_addr;
+ u8 i2c_addr;
u16 base_reg;
};
-extern int dibx000_init_i2c_master(struct dibx000_i2c_master *mst, u16 device_rev, struct i2c_adapter *i2c_adap, u8 i2c_addr);
-extern struct i2c_adapter * dibx000_get_i2c_adapter(struct dibx000_i2c_master *mst, enum dibx000_i2c_interface intf, int gating);
+extern int dibx000_init_i2c_master(struct dibx000_i2c_master *mst,
+ u16 device_rev, struct i2c_adapter *i2c_adap,
+ u8 i2c_addr);
+extern struct i2c_adapter *dibx000_get_i2c_adapter(struct dibx000_i2c_master
+ *mst,
+ enum dibx000_i2c_interface
+ intf, int gating);
extern void dibx000_exit_i2c_master(struct dibx000_i2c_master *mst);
+extern void dibx000_reset_i2c_master(struct dibx000_i2c_master *mst);
#define BAND_LBAND 0x01
#define BAND_UHF 0x02
@@ -41,18 +48,18 @@ extern void dibx000_exit_i2c_master(struct dibx000_i2c_master *mst);
(freq_kHz) <= 2000000 ? BAND_LBAND : BAND_SBAND )
struct dibx000_agc_config {
- /* defines the capabilities of this AGC-setting - using the BAND_-defines*/
- u8 band_caps;
+ /* defines the capabilities of this AGC-setting - using the BAND_-defines */
+ u8 band_caps;
u16 setup;
u16 inv_gain;
u16 time_stabiliz;
- u8 alpha_level;
+ u8 alpha_level;
u16 thlock;
- u8 wbd_inv;
+ u8 wbd_inv;
u16 wbd_ref;
u8 wbd_sel;
u8 wbd_alpha;
@@ -92,8 +99,8 @@ struct dibx000_agc_config {
};
struct dibx000_bandwidth_config {
- u32 internal;
- u32 sampling;
+ u32 internal;
+ u32 sampling;
u8 pll_prediv;
u8 pll_ratio;
diff --git a/drivers/media/dvb/frontends/lgdt3304.c b/drivers/media/dvb/frontends/lgdt3304.c
index eb72a98..e334b5d 100644
--- a/drivers/media/dvb/frontends/lgdt3304.c
+++ b/drivers/media/dvb/frontends/lgdt3304.c
@@ -363,6 +363,8 @@ struct dvb_frontend* lgdt3304_attach(const struct lgdt3304_config *config,
struct lgdt3304_state *state;
state = kzalloc(sizeof(struct lgdt3304_state), GFP_KERNEL);
+ if (state == NULL)
+ return NULL;
state->addr = config->i2c_address;
state->i2c = i2c;
diff --git a/drivers/media/dvb/frontends/s921_module.c b/drivers/media/dvb/frontends/s921_module.c
index 3f5a0e1..3156b64 100644
--- a/drivers/media/dvb/frontends/s921_module.c
+++ b/drivers/media/dvb/frontends/s921_module.c
@@ -169,6 +169,8 @@ struct dvb_frontend* s921_attach(const struct s921_config *config,
struct s921_state *state;
state = kzalloc(sizeof(struct s921_state), GFP_KERNEL);
+ if (state == NULL)
+ return NULL;
state->addr = config->i2c_address;
state->i2c = i2c;
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