diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/dvb/frontends/Makefile | 2 | ||||
| -rw-r--r-- | drivers/media/dvb/frontends/tda18271-common.c | 619 | ||||
| -rw-r--r-- | drivers/media/dvb/frontends/tda18271-fe.c | 583 | ||||
| -rw-r--r-- | drivers/media/dvb/frontends/tda18271-priv.h | 19 | ||||
| -rw-r--r-- | drivers/media/dvb/frontends/tda18271-tables.c | 2 | ||||
| -rw-r--r-- | drivers/media/dvb/frontends/tda18271.h | 2 |
6 files changed, 641 insertions, 586 deletions
diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile index 1c082a6..16bd107 100644 --- a/drivers/media/dvb/frontends/Makefile +++ b/drivers/media/dvb/frontends/Makefile @@ -5,7 +5,7 @@ EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core/ EXTRA_CFLAGS += -Idrivers/media/video/ -tda18271-objs := tda18271-tables.o tda18271-fe.o +tda18271-objs := tda18271-tables.o tda18271-common.o tda18271-fe.o obj-$(CONFIG_DVB_PLL) += dvb-pll.o obj-$(CONFIG_DVB_STV0299) += stv0299.o diff --git a/drivers/media/dvb/frontends/tda18271-common.c b/drivers/media/dvb/frontends/tda18271-common.c new file mode 100644 index 0000000..4adc739 --- /dev/null +++ b/drivers/media/dvb/frontends/tda18271-common.c @@ -0,0 +1,619 @@ +/* + tda18271-common.c - driver for the Philips / NXP TDA18271 silicon tuner + + Copyright (C) 2007, 2008 Michael Krufky <mkrufky@linuxtv.org> + + 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; 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. +*/ + +#include "tda18271-priv.h" + +static int tda18271_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) +{ + struct tda18271_priv *priv = fe->tuner_priv; + enum tda18271_i2c_gate gate; + int ret = 0; + + switch (priv->gate) { + case TDA18271_GATE_DIGITAL: + case TDA18271_GATE_ANALOG: + gate = priv->gate; + break; + case TDA18271_GATE_AUTO: + default: + switch (priv->mode) { + case TDA18271_DIGITAL: + gate = TDA18271_GATE_DIGITAL; + break; + case TDA18271_ANALOG: + default: + gate = TDA18271_GATE_ANALOG; + break; + } + } + + switch (gate) { + case TDA18271_GATE_ANALOG: + if (fe->ops.analog_ops.i2c_gate_ctrl) + ret = fe->ops.analog_ops.i2c_gate_ctrl(fe, enable); + break; + case TDA18271_GATE_DIGITAL: + if (fe->ops.i2c_gate_ctrl) + ret = fe->ops.i2c_gate_ctrl(fe, enable); + break; + default: + ret = -EINVAL; + break; + } + + return ret; +}; + +/*---------------------------------------------------------------------*/ + +static void tda18271_dump_regs(struct dvb_frontend *fe, int extended) +{ + struct tda18271_priv *priv = fe->tuner_priv; + unsigned char *regs = priv->tda18271_regs; + + tda_reg("=== TDA18271 REG DUMP ===\n"); + tda_reg("ID_BYTE = 0x%02x\n", 0xff & regs[R_ID]); + tda_reg("THERMO_BYTE = 0x%02x\n", 0xff & regs[R_TM]); + tda_reg("POWER_LEVEL_BYTE = 0x%02x\n", 0xff & regs[R_PL]); + tda_reg("EASY_PROG_BYTE_1 = 0x%02x\n", 0xff & regs[R_EP1]); + tda_reg("EASY_PROG_BYTE_2 = 0x%02x\n", 0xff & regs[R_EP2]); + tda_reg("EASY_PROG_BYTE_3 = 0x%02x\n", 0xff & regs[R_EP3]); + tda_reg("EASY_PROG_BYTE_4 = 0x%02x\n", 0xff & regs[R_EP4]); + tda_reg("EASY_PROG_BYTE_5 = 0x%02x\n", 0xff & regs[R_EP5]); + tda_reg("CAL_POST_DIV_BYTE = 0x%02x\n", 0xff & regs[R_CPD]); + tda_reg("CAL_DIV_BYTE_1 = 0x%02x\n", 0xff & regs[R_CD1]); + tda_reg("CAL_DIV_BYTE_2 = 0x%02x\n", 0xff & regs[R_CD2]); + tda_reg("CAL_DIV_BYTE_3 = 0x%02x\n", 0xff & regs[R_CD3]); + tda_reg("MAIN_POST_DIV_BYTE = 0x%02x\n", 0xff & regs[R_MPD]); + tda_reg("MAIN_DIV_BYTE_1 = 0x%02x\n", 0xff & regs[R_MD1]); + tda_reg("MAIN_DIV_BYTE_2 = 0x%02x\n", 0xff & regs[R_MD2]); + tda_reg("MAIN_DIV_BYTE_3 = 0x%02x\n", 0xff & regs[R_MD3]); + + /* only dump extended regs if DBG_ADV is set */ + if (!(tda18271_debug & DBG_ADV)) + return; + + /* W indicates write-only registers. + * Register dump for write-only registers shows last value written. */ + + tda_reg("EXTENDED_BYTE_1 = 0x%02x\n", 0xff & regs[R_EB1]); + tda_reg("EXTENDED_BYTE_2 = 0x%02x\n", 0xff & regs[R_EB2]); + tda_reg("EXTENDED_BYTE_3 = 0x%02x\n", 0xff & regs[R_EB3]); + tda_reg("EXTENDED_BYTE_4 = 0x%02x\n", 0xff & regs[R_EB4]); + tda_reg("EXTENDED_BYTE_5 = 0x%02x\n", 0xff & regs[R_EB5]); + tda_reg("EXTENDED_BYTE_6 = 0x%02x\n", 0xff & regs[R_EB6]); + tda_reg("EXTENDED_BYTE_7 = 0x%02x\n", 0xff & regs[R_EB7]); + tda_reg("EXTENDED_BYTE_8 = 0x%02x\n", 0xff & regs[R_EB8]); + tda_reg("EXTENDED_BYTE_9 W = 0x%02x\n", 0xff & regs[R_EB9]); + tda_reg("EXTENDED_BYTE_10 = 0x%02x\n", 0xff & regs[R_EB10]); + tda_reg("EXTENDED_BYTE_11 = 0x%02x\n", 0xff & regs[R_EB11]); + tda_reg("EXTENDED_BYTE_12 = 0x%02x\n", 0xff & regs[R_EB12]); + tda_reg("EXTENDED_BYTE_13 = 0x%02x\n", 0xff & regs[R_EB13]); + tda_reg("EXTENDED_BYTE_14 = 0x%02x\n", 0xff & regs[R_EB14]); + tda_reg("EXTENDED_BYTE_15 = 0x%02x\n", 0xff & regs[R_EB15]); + tda_reg("EXTENDED_BYTE_16 W = 0x%02x\n", 0xff & regs[R_EB16]); + tda_reg("EXTENDED_BYTE_17 W = 0x%02x\n", 0xff & regs[R_EB17]); + tda_reg("EXTENDED_BYTE_18 = 0x%02x\n", 0xff & regs[R_EB18]); + tda_reg("EXTENDED_BYTE_19 W = 0x%02x\n", 0xff & regs[R_EB19]); + tda_reg("EXTENDED_BYTE_20 W = 0x%02x\n", 0xff & regs[R_EB20]); + tda_reg("EXTENDED_BYTE_21 = 0x%02x\n", 0xff & regs[R_EB21]); + tda_reg("EXTENDED_BYTE_22 = 0x%02x\n", 0xff & regs[R_EB22]); + tda_reg("EXTENDED_BYTE_23 = 0x%02x\n", 0xff & regs[R_EB23]); +} + +int tda18271_read_regs(struct dvb_frontend *fe) +{ + struct tda18271_priv *priv = fe->tuner_priv; + unsigned char *regs = priv->tda18271_regs; + unsigned char buf = 0x00; + int ret; + struct i2c_msg msg[] = { + { .addr = priv->i2c_addr, .flags = 0, + .buf = &buf, .len = 1 }, + { .addr = priv->i2c_addr, .flags = I2C_M_RD, + .buf = regs, .len = 16 } + }; + + tda18271_i2c_gate_ctrl(fe, 1); + + /* read all registers */ + ret = i2c_transfer(priv->i2c_adap, msg, 2); + + tda18271_i2c_gate_ctrl(fe, 0); + + if (ret != 2) + tda_err("ERROR: i2c_transfer returned: %d\n", ret); + + if (tda18271_debug & DBG_REG) + tda18271_dump_regs(fe, 0); + + return (ret == 2 ? 0 : ret); +} + +int tda18271_read_extended(struct dvb_frontend *fe) +{ + struct tda18271_priv *priv = fe->tuner_priv; + unsigned char *regs = priv->tda18271_regs; + unsigned char regdump[TDA18271_NUM_REGS]; + unsigned char buf = 0x00; + int ret, i; + struct i2c_msg msg[] = { + { .addr = priv->i2c_addr, .flags = 0, + .buf = &buf, .len = 1 }, + { .addr = priv->i2c_addr, .flags = I2C_M_RD, + .buf = regdump, .len = TDA18271_NUM_REGS } + }; + + tda18271_i2c_gate_ctrl(fe, 1); + + /* read all registers */ + ret = i2c_transfer(priv->i2c_adap, msg, 2); + + tda18271_i2c_gate_ctrl(fe, 0); + + if (ret != 2) + tda_err("ERROR: i2c_transfer returned: %d\n", ret); + + for (i = 0; i <= TDA18271_NUM_REGS; i++) { + /* don't update write-only registers */ + if ((i != R_EB9) && + (i != R_EB16) && + (i != R_EB17) && + (i != R_EB19) && + (i != R_EB20)) + regs[i] = regdump[i]; + } + + if (tda18271_debug & DBG_REG) + tda18271_dump_regs(fe, 1); + + return (ret == 2 ? 0 : ret); +} + +int tda18271_write_regs(struct dvb_frontend *fe, int idx, int len) +{ + struct tda18271_priv *priv = fe->tuner_priv; + unsigned char *regs = priv->tda18271_regs; + unsigned char buf[TDA18271_NUM_REGS + 1]; + struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0, + .buf = buf, .len = len + 1 }; + int i, ret; + + BUG_ON((len == 0) || (idx + len > sizeof(buf))); + + buf[0] = idx; + for (i = 1; i <= len; i++) + buf[i] = regs[idx - 1 + i]; + + tda18271_i2c_gate_ctrl(fe, 1); + + /* write registers */ + ret = i2c_transfer(priv->i2c_adap, &msg, 1); + + tda18271_i2c_gate_ctrl(fe, 0); + + if (ret != 1) + tda_err("ERROR: i2c_transfer returned: %d\n", ret); + + return (ret == 1 ? 0 : ret); +} + +/*---------------------------------------------------------------------*/ + +int tda18271_init_regs(struct dvb_frontend *fe) +{ + struct tda18271_priv *priv = fe->tuner_priv; + unsigned char *regs = priv->tda18271_regs; + + tda_dbg("initializing registers for device @ %d-%04x\n", + i2c_adapter_id(priv->i2c_adap), priv->i2c_addr); + + /* initialize registers */ + switch (priv->id) { + case TDA18271HDC1: + regs[R_ID] = 0x83; + break; + case TDA18271HDC2: + regs[R_ID] = 0x84; + break; + }; + + regs[R_TM] = 0x08; + regs[R_PL] = 0x80; + regs[R_EP1] = 0xc6; + regs[R_EP2] = 0xdf; + regs[R_EP3] = 0x16; + regs[R_EP4] = 0x60; + regs[R_EP5] = 0x80; + regs[R_CPD] = 0x80; + regs[R_CD1] = 0x00; + regs[R_CD2] = 0x00; + regs[R_CD3] = 0x00; + regs[R_MPD] = 0x00; + regs[R_MD1] = 0x00; + regs[R_MD2] = 0x00; + regs[R_MD3] = 0x00; + + switch (priv->id) { + case TDA18271HDC1: + regs[R_EB1] = 0xff; + break; + case TDA18271HDC2: + regs[R_EB1] = 0xfc; + break; + }; + + regs[R_EB2] = 0x01; + regs[R_EB3] = 0x84; + regs[R_EB4] = 0x41; + regs[R_EB5] = 0x01; + regs[R_EB6] = 0x84; + regs[R_EB7] = 0x40; + regs[R_EB8] = 0x07; + regs[R_EB9] = 0x00; + regs[R_EB10] = 0x00; + regs[R_EB11] = 0x96; + + switch (priv->id) { + case TDA18271HDC1: + regs[R_EB12] = 0x0f; + break; + case TDA18271HDC2: + regs[R_EB12] = 0x33; + break; + }; + + regs[R_EB13] = 0xc1; + regs[R_EB14] = 0x00; + regs[R_EB15] = 0x8f; + regs[R_EB16] = 0x00; + regs[R_EB17] = 0x00; + + switch (priv->id) { + case TDA18271HDC1: + regs[R_EB18] = 0x00; + break; + case TDA18271HDC2: + regs[R_EB18] = 0x8c; + break; + }; + + regs[R_EB19] = 0x00; + regs[R_EB20] = 0x20; + + switch (priv->id) { + case TDA18271HDC1: + regs[R_EB21] = 0x33; + break; + case TDA18271HDC2: + regs[R_EB21] = 0xb3; + break; + }; + + regs[R_EB22] = 0x48; + regs[R_EB23] = 0xb0; + + tda18271_write_regs(fe, 0x00, TDA18271_NUM_REGS); + + /* setup agc1 gain */ + regs[R_EB17] = 0x00; + tda18271_write_regs(fe, R_EB17, 1); + regs[R_EB17] = 0x03; + tda18271_write_regs(fe, R_EB17, 1); + regs[R_EB17] = 0x43; + tda18271_write_regs(fe, R_EB17, 1); + regs[R_EB17] = 0x4c; + tda18271_write_regs(fe, R_EB17, 1); + + /* setup agc2 gain */ + if ((priv->id) == TDA18271HDC1) { + regs[R_EB20] = 0xa0; + tda18271_write_regs(fe, R_EB20, 1); + regs[R_EB20] = 0xa7; + tda18271_write_regs(fe, R_EB20, 1); + regs[R_EB20] = 0xe7; + tda18271_write_regs(fe, R_EB20, 1); + regs[R_EB20] = 0xec; + tda18271_write_regs(fe, R_EB20, 1); + } + + /* image rejection calibration */ + + /* low-band */ + regs[R_EP3] = 0x1f; + regs[R_EP4] = 0x66; + regs[R_EP5] = 0x81; + regs[R_CPD] = 0xcc; + regs[R_CD1] = 0x6c; + regs[R_CD2] = 0x00; + regs[R_CD3] = 0x00; + regs[R_MPD] = 0xcd; + regs[R_MD1] = 0x77; + regs[R_MD2] = 0x08; + regs[R_MD3] = 0x00; + + switch (priv->id) { + case TDA18271HDC1: + tda18271_write_regs(fe, R_EP3, 11); + break; + case TDA18271HDC2: + tda18271_write_regs(fe, R_EP3, 12); + break; + }; + + if ((priv->id) == TDA18271HDC2) { + /* main pll cp source on */ + regs[R_EB4] = 0x61; + tda18271_write_regs(fe, R_EB4, 1); + msleep(1); + + /* main pll cp source off */ + regs[R_EB4] = 0x41; + tda18271_write_regs(fe, R_EB4, 1); + } + + msleep(5); /* pll locking */ + + /* launch detector */ + tda18271_write_regs(fe, R_EP1, 1); + msleep(5); /* wanted low measurement */ + + regs[R_EP5] = 0x85; + regs[R_CPD] = 0xcb; + regs[R_CD1] = 0x66; + regs[R_CD2] = 0x70; + + tda18271_write_regs(fe, R_EP3, 7); + msleep(5); /* pll locking */ + + /* launch optimization algorithm */ + tda18271_write_regs(fe, R_EP2, 1); + msleep(30); /* image low optimization completion */ + + /* mid-band */ + regs[R_EP5] = 0x82; + regs[R_CPD] = 0xa8; + regs[R_CD2] = 0x00; + regs[R_MPD] = 0xa9; + regs[R_MD1] = 0x73; + regs[R_MD2] = 0x1a; + + tda18271_write_regs(fe, R_EP3, 11); + msleep(5); /* pll locking */ + + tda18271_write_regs(fe, R_EP1, 1); + msleep(5); /* wanted mid measurement */ + + regs[R_EP5] = 0x86; + regs[R_CPD] = 0xa8; + regs[R_CD1] = 0x66; + regs[R_CD2] = 0xa0; + + tda18271_write_regs(fe, R_EP3, 7); + msleep(5); /* pll locking */ + + /* launch optimization algorithm */ + tda18271_write_regs(fe, R_EP2, 1); + msleep(30); /* image mid optimization completion */ + + /* high-band */ + regs[R_EP5] = 0x83; + regs[R_CPD] = 0x98; + regs[R_CD1] = 0x65; + regs[R_CD2] = 0x00; + regs[R_MPD] = 0x99; + regs[R_MD1] = 0x71; + regs[R_MD2] = 0xcd; + + tda18271_write_regs(fe, R_EP3, 11); + msleep(5); /* pll locking */ + + /* launch detector */ + tda18271_write_regs(fe, R_EP1, 1); + msleep(5); /* wanted high measurement */ + + regs[R_EP5] = 0x87; + regs[R_CD1] = 0x65; + regs[R_CD2] = 0x50; + + tda18271_write_regs(fe, R_EP3, 7); + msleep(5); /* pll locking */ + + /* launch optimization algorithm */ + tda18271_write_regs(fe, R_EP2, 1); + msleep(30); /* image high optimization completion */ + + /* return to normal mode */ + regs[R_EP4] = 0x64; + tda18271_write_regs(fe, R_EP4, 1); + + /* synchronize */ + tda18271_write_regs(fe, R_EP1, 1); + + return 0; +} + +/*---------------------------------------------------------------------*/ + +int tda18271_calc_main_pll(struct dvb_frontend *fe, u32 freq) +{ + /* sets main post divider & divider bytes, but does not write them */ + struct tda18271_priv *priv = fe->tuner_priv; + unsigned char *regs = priv->tda18271_regs; + u8 d, pd; + u32 div; + + int ret = tda18271_lookup_pll_map(fe, MAIN_PLL, &freq, &pd, &d); + if (ret < 0) + goto fail; + + regs[R_MPD] = (0x77 & pd); + + switch (priv->mode) { + case TDA18271_ANALOG: + regs[R_MPD] &= ~0x08; + break; + case TDA18271_DIGITAL: + regs[R_MPD] |= 0x08; + break; + } + + div = ((d * (freq / 1000)) << 7) / 125; + + regs[R_MD1] = 0x7f & (div >> 16); + regs[R_MD2] = 0xff & (div >> 8); + regs[R_MD3] = 0xff & div; +fail: + return ret; +} + +int tda18271_calc_cal_pll(struct dvb_frontend *fe, u32 freq) +{ + /* sets cal post divider & divider bytes, but does not write them */ + struct tda18271_priv *priv = fe->tuner_priv; + unsigned char *regs = priv->tda18271_regs; + u8 d, pd; + u32 div; + + int ret = tda18271_lookup_pll_map(fe, CAL_PLL, &freq, &pd, &d); + if (ret < 0) + goto fail; + + regs[R_CPD] = pd; + + div = ((d * (freq / 1000)) << 7) / 125; + + regs[R_CD1] = 0x7f & (div >> 16); + regs[R_CD2] = 0xff & (div >> 8); + regs[R_CD3] = 0xff & div; +fail: + return ret; +} + +/*---------------------------------------------------------------------*/ + +int tda18271_calc_bp_filter(struct dvb_frontend *fe, u32 *freq) +{ + /* sets bp filter bits, but does not write them */ + struct tda18271_priv *priv = fe->tuner_priv; + unsigned char *regs = priv->tda18271_regs; + u8 val; + + int ret = tda18271_lookup_map(fe, BP_FILTER, freq, &val); + if (ret < 0) + goto fail; + + regs[R_EP1] &= ~0x07; /* clear bp filter bits */ + regs[R_EP1] |= (0x07 & val); +fail: + return ret; +} + +int tda18271_calc_km(struct dvb_frontend *fe, u32 *freq) +{ + /* sets K & M bits, but does not write them */ + struct tda18271_priv *priv = fe->tuner_priv; + unsigned char *regs = priv->tda18271_regs; + u8 val; + + int ret = tda18271_lookup_map(fe, RF_CAL_KMCO, freq, &val); + if (ret < 0) + goto fail; + + regs[R_EB13] &= ~0x7c; /* clear k & m bits */ + regs[R_EB13] |= (0x7c & val); +fail: + return ret; +} + +int tda18271_calc_rf_band(struct dvb_frontend *fe, u32 *freq) +{ + /* sets rf band bits, but does not write them */ + struct tda18271_priv *priv = fe->tuner_priv; + unsigned char *regs = priv->tda18271_regs; + u8 val; + + int ret = tda18271_lookup_map(fe, RF_BAND, freq, &val); + if (ret < 0) + goto fail; + + regs[R_EP2] &= ~0xe0; /* clear rf band bits */ + regs[R_EP2] |= (0xe0 & (val << 5)); +fail: + return ret; +} + +int tda18271_calc_gain_taper(struct dvb_frontend *fe, u32 *freq) +{ + /* sets gain taper bits, but does not write them */ + struct tda18271_priv *priv = fe->tuner_priv; + unsigned char *regs = priv->tda18271_regs; + u8 val; + + int ret = tda18271_lookup_map(fe, GAIN_TAPER, freq, &val); + if (ret < 0) + goto fail; + + regs[R_EP2] &= ~0x1f; /* clear gain taper bits */ + regs[R_EP2] |= (0x1f & val); +fail: + return ret; +} + +int tda18271_calc_ir_measure(struct dvb_frontend *fe, u32 *freq) +{ + /* sets IR Meas bits, but does not write them */ + struct tda18271_priv *priv = fe->tuner_priv; + unsigned char *regs = priv->tda18271_regs; + u8 val; + + int ret = tda18271_lookup_map(fe, IR_MEASURE, freq, &val); + if (ret < 0) + goto fail; + + regs[R_EP5] &= ~0x07; + regs[R_EP5] |= (0x07 & val); +fail: + return ret; +} + +int tda18271_calc_rf_cal(struct dvb_frontend *fe, u32 *freq) +{ + /* sets rf cal byte (RFC_Cprog), but does not write it */ + struct tda18271_priv *priv = fe->tuner_priv; + unsigned char *regs = priv->tda18271_regs; + u8 val; + + int ret = tda18271_lookup_map(fe, RF_CAL, freq, &val); + if (ret < 0) + goto fail; + + regs[R_EB14] = val; +fail: + return ret; +} + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * --------------------------------------------------------------------------- + * Local variables: + * c-basic-offset: 8 + * End: + */ diff --git a/drivers/media/dvb/frontends/tda18271-fe.c b/drivers/media/dvb/frontends/tda18271-fe.c index 4b53baf..537d520 100644 --- a/drivers/media/dvb/frontends/tda18271-fe.c +++ b/drivers/media/dvb/frontends/tda18271-fe.c @@ -1,7 +1,7 @@ /* tda18271-fe.c - driver for the Philips / NXP TDA18271 silicon tuner - Copyright (C) 2007 Michael Krufky (mkrufky@linuxtv.org) + Copyright (C) 2007, 2008 Michael Krufky <mkrufky@linuxtv.org> 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 @@ -28,431 +28,6 @@ MODULE_PARM_DESC(debug, "set debug level (info=1, map=2, reg=4 (or-able))"); /*---------------------------------------------------------------------*/ -static int tda18271_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) -{ - struct tda18271_priv *priv = fe->tuner_priv; - enum tda18271_i2c_gate gate; - int ret = 0; - - switch (priv->gate) { - case TDA18271_GATE_DIGITAL: - case TDA18271_GATE_ANALOG: - gate = priv->gate; - break; - case TDA18271_GATE_AUTO: - default: - switch (priv->mode) { - case TDA18271_DIGITAL: - gate = TDA18271_GATE_DIGITAL; - break; - case TDA18271_ANALOG: - default: - gate = TDA18271_GATE_ANALOG; - break; - } - } - - switch (gate) { - case TDA18271_GATE_ANALOG: - if (fe->ops.analog_ops.i2c_gate_ctrl) - ret = fe->ops.analog_ops.i2c_gate_ctrl(fe, enable); - break; - case TDA18271_GATE_DIGITAL: - if (fe->ops.i2c_gate_ctrl) - ret = fe->ops.i2c_gate_ctrl(fe, enable); - break; - default: - ret = -EINVAL; - break; - } - - return ret; -}; - -/*---------------------------------------------------------------------*/ - -static void tda18271_dump_regs(struct dvb_frontend *fe, int extended) -{ - struct tda18271_priv *priv = fe->tuner_priv; - unsigned char *regs = priv->tda18271_regs; - - tda_reg("=== TDA18271 REG DUMP ===\n"); - tda_reg("ID_BYTE = 0x%02x\n", 0xff & regs[R_ID]); - tda_reg("THERMO_BYTE = 0x%02x\n", 0xff & regs[R_TM]); - tda_reg("POWER_LEVEL_BYTE = 0x%02x\n", 0xff & regs[R_PL]); - tda_reg("EASY_PROG_BYTE_1 = 0x%02x\n", 0xff & regs[R_EP1]); - tda_reg("EASY_PROG_BYTE_2 = 0x%02x\n", 0xff & regs[R_EP2]); - tda_reg("EASY_PROG_BYTE_3 = 0x%02x\n", 0xff & regs[R_EP3]); - tda_reg("EASY_PROG_BYTE_4 = 0x%02x\n", 0xff & regs[R_EP4]); - tda_reg("EASY_PROG_BYTE_5 = 0x%02x\n", 0xff & regs[R_EP5]); - tda_reg("CAL_POST_DIV_BYTE = 0x%02x\n", 0xff & regs[R_CPD]); - tda_reg("CAL_DIV_BYTE_1 = 0x%02x\n", 0xff & regs[R_CD1]); - tda_reg("CAL_DIV_BYTE_2 = 0x%02x\n", 0xff & regs[R_CD2]); - tda_reg("CAL_DIV_BYTE_3 = 0x%02x\n", 0xff & regs[R_CD3]); - tda_reg("MAIN_POST_DIV_BYTE = 0x%02x\n", 0xff & regs[R_MPD]); - tda_reg("MAIN_DIV_BYTE_1 = 0x%02x\n", 0xff & regs[R_MD1]); - tda_reg("MAIN_DIV_BYTE_2 = 0x%02x\n", 0xff & regs[R_MD2]); - tda_reg("MAIN_DIV_BYTE_3 = 0x%02x\n", 0xff & regs[R_MD3]); - - /* only dump extended regs if DBG_ADV is set */ - if (!(tda18271_debug & DBG_ADV)) - return; - - /* W indicates write-only registers. - * Register dump for write-only registers shows last value written. */ - - tda_reg("EXTENDED_BYTE_1 = 0x%02x\n", 0xff & regs[R_EB1]); - tda_reg("EXTENDED_BYTE_2 = 0x%02x\n", 0xff & regs[R_EB2]); - tda_reg("EXTENDED_BYTE_3 = 0x%02x\n", 0xff & regs[R_EB3]); - tda_reg("EXTENDED_BYTE_4 = 0x%02x\n", 0xff & regs[R_EB4]); - tda_reg("EXTENDED_BYTE_5 = 0x%02x\n", 0xff & regs[R_EB5]); - tda_reg("EXTENDED_BYTE_6 = 0x%02x\n", 0xff & regs[R_EB6]); - tda_reg("EXTENDED_BYTE_7 = 0x%02x\n", 0xff & regs[R_EB7]); - tda_reg("EXTENDED_BYTE_8 = 0x%02x\n", 0xff & regs[R_EB8]); - tda_reg("EXTENDED_BYTE_9 W = 0x%02x\n", 0xff & regs[R_EB9]); - tda_reg("EXTENDED_BYTE_10 = 0x%02x\n", 0xff & regs[R_EB10]); - tda_reg("EXTENDED_BYTE_11 = 0x%02x\n", 0xff & regs[R_EB11]); - tda_reg("EXTENDED_BYTE_12 = 0x%02x\n", 0xff & regs[R_EB12]); - tda_reg("EXTENDED_BYTE_13 = 0x%02x\n", 0xff & regs[R_EB13]); - tda_reg("EXTENDED_BYTE_14 = 0x%02x\n", 0xff & regs[R_EB14]); - tda_reg("EXTENDED_BYTE_15 = 0x%02x\n", 0xff & regs[R_EB15]); - tda_reg("EXTENDED_BYTE_16 W = 0x%02x\n", 0xff & regs[R_EB16]); - tda_reg("EXTENDED_BYTE_17 W = 0x%02x\n", 0xff & regs[R_EB17]); - tda_reg("EXTENDED_BYTE_18 = 0x%02x\n", 0xff & regs[R_EB18]); - tda_reg("EXTENDED_BYTE_19 W = 0x%02x\n", 0xff & regs[R_EB19]); - tda_reg("EXTENDED_BYTE_20 W = 0x%02x\n", 0xff & regs[R_EB20]); - tda_reg("EXTENDED_BYTE_21 = 0x%02x\n", 0xff & regs[R_EB21]); - tda_reg("EXTENDED_BYTE_22 = 0x%02x\n", 0xff & regs[R_EB22]); - tda_reg("EXTENDED_BYTE_23 = 0x%02x\n", 0xff & regs[R_EB23]); -} - -static void tda18271_read_regs(struct dvb_frontend *fe) -{ - struct tda18271_priv *priv = fe->tuner_priv; - unsigned char *regs = priv->tda18271_regs; - unsigned char buf = 0x00; - int ret; - struct i2c_msg msg[] = { - { .addr = priv->i2c_addr, .flags = 0, - .buf = &buf, .len = 1 }, - { .addr = priv->i2c_addr, .flags = I2C_M_RD, - .buf = regs, .len = 16 } - }; - - tda18271_i2c_gate_ctrl(fe, 1); - - /* read all registers */ - ret = i2c_transfer(priv->i2c_adap, msg, 2); - - tda18271_i2c_gate_ctrl(fe, 0); - - if (ret != 2) - tda_err("ERROR: i2c_transfer returned: %d\n", ret); - - if (tda18271_debug & DBG_REG) - tda18271_dump_regs(fe, 0); -} - -static void tda18271_read_extended(struct dvb_frontend *fe) -{ - struct tda18271_priv *priv = fe->tuner_priv; - unsigned char *regs = priv->tda18271_regs; - unsigned char regdump[TDA18271_NUM_REGS]; - unsigned char buf = 0x00; - int ret, i; - struct i2c_msg msg[] = { - { .addr = priv->i2c_addr, .flags = 0, - .buf = &buf, .len = 1 }, - { .addr = priv->i2c_addr, .flags = I2C_M_RD, - .buf = regdump, .len = TDA18271_NUM_REGS } - }; - - tda18271_i2c_gate_ctrl(fe, 1); - - /* read all registers */ - ret = i2c_transfer(priv->i2c_adap, msg, 2); - - tda18271_i2c_gate_ctrl(fe, 0); - - if (ret != 2) - tda_err("ERROR: i2c_transfer returned: %d\n", ret); - - for (i = 0; i <= TDA18271_NUM_REGS; i++) { - /* don't update write-only registers */ - if ((i != R_EB9) && - (i != R_EB16) && - (i != R_EB17) && - (i != R_EB19) && - (i != R_EB20)) - regs[i] = regdump[i]; - } - - if (tda18271_debug & DBG_REG) - tda18271_dump_regs(fe, 1); -} - -static void tda18271_write_regs(struct dvb_frontend *fe, int idx, int len) -{ - struct tda18271_priv *priv = fe->tuner_priv; - unsigned char *regs = priv->tda18271_regs; - unsigned char buf[TDA18271_NUM_REGS+1]; - struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0, - .buf = buf, .len = len+1 }; - int i, ret; - - BUG_ON((len == 0) || (idx+len > sizeof(buf))); - - buf[0] = idx; - for (i = 1; i <= len; i++) { - buf[i] = regs[idx-1+i]; - } - - tda18271_i2c_gate_ctrl(fe, 1); - - /* write registers */ - ret = i2c_transfer(priv->i2c_adap, &msg, 1); - - tda18271_i2c_gate_ctrl(fe, 0); - - if (ret != 1) - tda_err("ERROR: i2c_transfer returned: %d\n", ret); -} - -/*---------------------------------------------------------------------*/ - -static int tda18271_init_regs(struct dvb_frontend *fe) -{ - struct tda18271_priv *priv = fe->tuner_priv; - unsigned char *regs = priv->tda18271_regs; - - tda_dbg("initializing registers for device @ %d-%04x\n", - i2c_adapter_id(priv->i2c_adap), priv->i2c_addr); - - /* initialize registers */ - switch (priv->id) { - case TDA18271HDC1: - regs[R_ID] = 0x83; - break; - case TDA18271HDC2: - regs[R_ID] = 0x84; - break; - }; - - regs[R_TM] = 0x08; - regs[R_PL] = 0x80; - regs[R_EP1] = 0xc6; - regs[R_EP2] = 0xdf; - regs[R_EP3] = 0x16; - regs[R_EP4] = 0x60; - regs[R_EP5] = 0x80; - regs[R_CPD] = 0x80; - regs[R_CD1] = 0x00; - regs[R_CD2] = 0x00; - regs[R_CD3] = 0x00; - regs[R_MPD] = 0x00; - regs[R_MD1] = 0x00; - regs[R_MD2] = 0x00; - regs[R_MD3] = 0x00; - - switch (priv->id) { - case TDA18271HDC1: - regs[R_EB1] = 0xff; - break; - case TDA18271HDC2: - regs[R_EB1] = 0xfc; - break; - }; - - regs[R_EB2] = 0x01; - regs[R_EB3] = 0x84; - regs[R_EB4] = 0x41; - regs[R_EB5] = 0x01; - regs[R_EB6] = 0x84; - regs[R_EB7] = 0x40; - regs[R_EB8] = 0x07; - regs[R_EB9] = 0x00; - regs[R_EB10] = 0x00; - regs[R_EB11] = 0x96; - - switch (priv->id) { - case TDA18271HDC1: - regs[R_EB12] = 0x0f; - break; - case TDA18271HDC2: - regs[R_EB12] = 0x33; - break; - }; - - regs[R_EB13] = 0xc1; - regs[R_EB14] = 0x00; - regs[R_EB15] = 0x8f; - regs[R_EB16] = 0x00; - regs[R_EB17] = 0x00; - - switch (priv->id) { - case TDA18271HDC1: - regs[R_EB18] = 0x00; - break; - case TDA18271HDC2: - regs[R_EB18] = 0x8c; - break; - }; - - regs[R_EB19] = 0x00; - regs[R_EB20] = 0x20; - - switch (priv->id) { - case TDA18271HDC1: - regs[R_EB21] = 0x33; - break; - case TDA18271HDC2: - regs[R_EB21] = 0xb3; - break; - }; - - regs[R_EB22] = 0x48; - regs[R_EB23] = 0xb0; - - tda18271_write_regs(fe, 0x00, TDA18271_NUM_REGS); - - /* setup agc1 gain */ - regs[R_EB17] = 0x00; - tda18271_write_regs(fe, R_EB17, 1); - regs[R_EB17] = 0x03; - tda18271_write_regs(fe, R_EB17, 1); - regs[R_EB17] = 0x43; - tda18271_write_regs(fe, R_EB17, 1); - regs[R_EB17] = 0x4c; - tda18271_write_regs(fe, R_EB17, 1); - - /* setup agc2 gain */ - if ((priv->id) == TDA18271HDC1) { - regs[R_EB20] = 0xa0; - tda18271_write_regs(fe, R_EB20, 1); - regs[R_EB20] = 0xa7; - tda18271_write_regs(fe, R_EB20, 1); - regs[R_EB20] = 0xe7; - tda18271_write_regs(fe, R_EB20, 1); - regs[R_EB20] = 0xec; - tda18271_write_regs(fe, R_EB20, 1); - } - - /* image rejection calibration */ - - /* low-band */ - regs[R_EP3] = 0x1f; - regs[R_EP4] = 0x66; - regs[R_EP5] = 0x81; - regs[R_CPD] = 0xcc; - regs[R_CD1] = 0x6c; - regs[R_CD2] = 0x00; - regs[R_CD3] = 0x00; - regs[R_MPD] = 0xcd; - regs[R_MD1] = 0x77; - regs[R_MD2] = 0x08; - regs[R_MD3] = 0x00; - - switch (priv->id) { - case TDA18271HDC1: - tda18271_write_regs(fe, R_EP3, 11); - break; - case TDA18271HDC2: - tda18271_write_regs(fe, R_EP3, 12); - break; - }; - - if ((priv->id) == TDA18271HDC2) { - /* main pll cp source on */ - regs[R_EB4] = 0x61; - tda18271_write_regs(fe, R_EB4, 1); - msleep(1); - - /* main pll cp source off */ - regs[R_EB4] = 0x41; - tda18271_write_regs(fe, R_EB4, 1); - } - - msleep(5); /* pll locking */ - - /* launch detector */ - tda18271_write_regs(fe, R_EP1, 1); - msleep(5); /* wanted low measurement */ - - regs[R_EP5] = 0x85; - regs[R_CPD] = 0xcb; - regs[R_CD1] = 0x66; - regs[R_CD2] = 0x70; - - tda18271_write_regs(fe, R_EP3, 7); - msleep(5); /* pll locking */ - - /* launch optimization algorithm */ - tda18271_write_regs(fe, R_EP2, 1); - msleep(30); /* image low optimization completion */ - - /* mid-band */ - regs[R_EP5] = 0x82; - regs[R_CPD] = 0xa8; - regs[R_CD2] = 0x00; - regs[R_MPD] = 0xa9; - regs[R_MD1] = 0x73; - regs[R_MD2] = 0x1a; - - tda18271_write_regs(fe, R_EP3, 11); - msleep(5); /* pll locking */ - - tda18271_write_regs(fe, R_EP1, 1); - msleep(5); /* wanted mid measurement */ - - regs[R_EP5] = 0x86; - regs[R_CPD] = 0xa8; - regs[R_CD1] = 0x66; - regs[R_CD2] = 0xa0; - - tda18271_write_regs(fe, R_EP3, 7); - msleep(5); /* pll locking */ - - /* launch optimization algorithm */ - tda18271_write_regs(fe, R_EP2, 1); - msleep(30); /* image mid optimization completion */ - - /* high-band */ - regs[R_EP5] = 0x83; - regs[R_CPD] = 0x98; - regs[R_CD1] = 0x65; - regs[R_CD2] = 0x00; - regs[R_MPD] = 0x99; - regs[R_MD1] = 0x71; - regs[R_MD2] = 0xcd; - - tda18271_write_regs(fe, R_EP3, 11); - msleep(5); /* pll locking */ - - /* launch detector */ - tda18271_write_regs(fe, R_EP1, 1); - msleep(5); /* wanted high measurement */ - - regs[R_EP5] = 0x87; - regs[R_CD1] = 0x65; - regs[R_CD2] = 0x50; - - tda18271_write_regs(fe, R_EP3, 7); - msleep(5); /* pll locking */ - - /* launch optimization algorithm */ - tda18271_write_regs(fe, R_EP2, 1); - msleep(30); /* image high optimization completion */ - - /* return to normal mode */ - regs[R_EP4] = 0x64; - tda18271_write_regs(fe, R_EP4, 1); - - /* synchronize */ - tda18271_write_regs(fe, R_EP1, 1); - - return 0; -} - static int tda18271_init(struct dvb_frontend *fe) { struct tda18271_priv *priv = fe->tuner_priv; @@ -467,162 +42,6 @@ static int tda18271_init(struct dvb_frontend *fe) return 0; } -static int tda18271_calc_main_pll(struct dvb_frontend *fe, u32 freq) -{ - /* Sets Main Post-Divider & Divider bytes, but does not write them */ - struct tda18271_priv *priv = fe->tuner_priv; - unsigned char *regs = priv->tda18271_regs; - u8 d, pd; - u32 div; - - int ret = tda18271_lookup_pll_map(fe, MAIN_PLL, &freq, &pd, &d); - if (ret < 0) - goto fail; - - regs[R_MPD] = (0x77 & pd); - - switch (priv->mode) { - case TDA18271_ANALOG: - regs[R_MPD] &= ~0x08; - break; - case TDA18271_DIGITAL: - regs[R_MPD] |= 0x08; - break; - } - - div = ((d * (freq / 1000)) << 7) / 125; - - regs[R_MD1] = 0x7f & (div >> 16); - regs[R_MD2] = 0xff & (div >> 8); - regs[R_MD3] = 0xff & div; -fail: - return ret; -} - -static int tda18271_calc_cal_pll(struct dvb_frontend *fe, u32 freq) -{ - /* Sets Cal Post-Divider & Divider bytes, but does not write them */ - struct tda18271_priv *priv = fe->tuner_priv; - unsigned char *regs = priv->tda18271_regs; - u8 d, pd; - u32 div; - - int ret = tda18271_lookup_pll_map(fe, CAL_PLL, &freq, &pd, &d); - if (ret < 0) - goto fail; - - regs[R_CPD] = pd; - - div = ((d * (freq / 1000)) << 7) / 125; - - regs[R_CD1] = 0x7f & (div >> 16); - regs[R_CD2] = 0xff & (div >> 8); - regs[R_CD3] = 0xff & div; -fail: - return ret; -} - -static int tda18271_calc_bp_filter(struct dvb_frontend *fe, u32 *freq) -{ - /* Sets BP filter bits, but does not write them */ - struct tda18271_priv *priv = fe->tuner_priv; - unsigned char *regs = priv->tda18271_regs; - u8 val; - - int ret = tda18271_lookup_map(fe, BP_FILTER, freq, &val); - if (ret < 0) - goto fail; - - regs[R_EP1] &= ~0x07; /* clear bp filter bits */ - regs[R_EP1] |= (0x07 & val); -fail: - return ret; -} - -static int tda18271_calc_km(struct dvb_frontend *fe, u32 *freq) -{ - /* Sets K & M bits, but does not write them */ - struct tda18271_priv *priv = fe->tuner_priv; - unsigned char *regs = priv->tda18271_regs; - u8 val; - - int ret = tda18271_lookup_map(fe, RF_CAL_KMCO, freq, &val); - if (ret < 0) - goto fail; - - regs[R_EB13] &= ~0x7c; /* clear k & m bits */ - regs[R_EB13] |= (0x7c & val); -fail: - return ret; -} - -static int tda18271_calc_rf_band(struct dvb_frontend *fe, u32 *freq) -{ - /* Sets RF Band bits, but does not write them */ - struct tda18271_priv *priv = fe->tuner_priv; - unsigned char *regs = priv->tda18271_regs; - u8 val; - - int ret = tda18271_lookup_map(fe, RF_BAND, freq, &val); - if (ret < 0) - goto fail; - - regs[R_EP2] &= ~0xe0; /* clear rf band bits */ - regs[R_EP2] |= (0xe0 & (val << 5)); -fail: - return ret; -} - -static int tda18271_calc_gain_taper(struct dvb_frontend *fe, u32 *freq) -{ - /* Sets Gain Taper bits, but does not write them */ - struct tda18271_priv *priv = fe->tuner_priv; - unsigned char *regs = priv->tda18271_regs; - u8 val; - - int ret = tda18271_lookup_map(fe, GAIN_TAPER, freq, &val); - if (ret < 0) - goto fail; - - regs[R_EP2] &= ~0x1f; /* clear gain taper bits */ - regs[R_EP2] |= (0x1f & val); -fail: - return ret; -} - -static int tda18271_calc_ir_measure(struct dvb_frontend *fe, u32 *freq) -{ - /* Sets IR Meas bits, but does not write them */ - struct tda18271_priv *priv = fe->tuner_priv; - unsigned char *regs = priv->tda18271_regs; - u8 val; - - int ret = tda18271_lookup_map(fe, IR_MEASURE, freq, &val); - if (ret < 0) - goto fail; - - regs[R_EP5] &= ~0x07; - regs[R_EP5] |= (0x07 & val); -fail: - return ret; -} - -static int tda18271_calc_rf_cal(struct dvb_frontend *fe, u32 *freq) -{ - /* Sets RF Cal bits, but does not write them */ - struct tda18271_priv *priv = fe->tuner_priv; - unsigned char *regs = priv->tda18271_regs; - u8 val; - - int ret = tda18271_lookup_map(fe, RF_CAL, freq, &val); - if (ret < 0) - goto fail; - - regs[R_EB14] = val; -fail: - return ret; -} - /* ------------------------------------------------------------------ */ static int tda18271_channel_configuration(struct dvb_frontend *fe, diff --git a/drivers/media/dvb/frontends/tda18271-priv.h b/drivers/media/dvb/frontends/tda18271-priv.h index 8552c6a..deb375e 100644 --- a/drivers/media/dvb/frontends/tda18271-priv.h +++ b/drivers/media/dvb/frontends/tda18271-priv.h @@ -1,7 +1,7 @@ /* tda18271-priv.h - private header for the NXP TDA18271 silicon tuner - Copyright (C) 2007 Michael Krufky (mkrufky@linuxtv.org) + Copyright (C) 2007, 2008 Michael Krufky <mkrufky@linuxtv.org> 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 @@ -196,6 +196,23 @@ extern int tda18271_lookup_cid_target(struct dvb_frontend *fe, extern int tda18271_assign_map_layout(struct dvb_frontend *fe); +/*---------------------------------------------------------------------*/ + +extern int tda18271_read_regs(struct dvb_frontend *fe); +extern int tda18271_read_extended(struct dvb_frontend *fe); +extern int tda18271_write_regs(struct dvb_frontend *fe, int idx, int len); +extern int tda18271_init_regs(struct dvb_frontend *fe); + +extern int tda18271_calc_main_pll(struct dvb_frontend *fe, u32 freq); +extern int tda18271_calc_cal_pll(struct dvb_frontend *fe, u32 freq); + +extern int tda18271_calc_bp_filter(struct dvb_frontend *fe, u32 *freq); +extern int tda18271_calc_km(struct dvb_frontend *fe, u32 *freq); +extern int tda18271_calc_rf_band(struct dvb_frontend *fe, u32 *freq); +extern int tda18271_calc_gain_taper(struct dvb_frontend *fe, u32 *freq); +extern int tda18271_calc_ir_measure(struct dvb_frontend *fe, u32 *freq); +extern int tda18271_calc_rf_cal(struct dvb_frontend *fe, u32 *freq); + #endif /* __TDA18271_PRIV_H__ */ /* diff --git a/drivers/media/dvb/frontends/tda18271-tables.c b/drivers/media/dvb/frontends/tda18271-tables.c index 3042e5c..46f1d4dd 100644 --- a/drivers/media/dvb/frontends/tda18271-tables.c +++ b/drivers/media/dvb/frontends/tda18271-tables.c @@ -1,7 +1,7 @@ /* tda18271-tables.c - driver for the Philips / NXP TDA18271 silicon tuner - Copyright (C) 2007 Michael Krufky (mkrufky@linuxtv.org) + Copyright (C) 2007, 2008 Michael Krufky <mkrufky@linuxtv.org> 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 diff --git a/drivers/media/dvb/frontends/tda18271.h b/drivers/media/dvb/frontends/tda18271.h index b98a933..f535681 100644 --- a/drivers/media/dvb/frontends/tda18271.h +++ b/drivers/media/dvb/frontends/tda18271.h @@ -1,7 +1,7 @@ /* tda18271.h - header for the Philips / NXP TDA18271 silicon tuner - Copyright (C) 2007 Michael Krufky (mkrufky@linuxtv.org) + Copyright (C) 2007, 2008 Michael Krufky <mkrufky@linuxtv.org> 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 |