diff options
Diffstat (limited to 'drivers/media/common/tuners/tda18271-fe.c')
-rw-r--r-- | drivers/media/common/tuners/tda18271-fe.c | 53 |
1 files changed, 34 insertions, 19 deletions
diff --git a/drivers/media/common/tuners/tda18271-fe.c b/drivers/media/common/tuners/tda18271-fe.c index 89c01fb..93063c6 100644 --- a/drivers/media/common/tuners/tda18271-fe.c +++ b/drivers/media/common/tuners/tda18271-fe.c @@ -45,6 +45,21 @@ static inline int charge_pump_source(struct dvb_frontend *fe, int force) TDA18271_MAIN_PLL, force); } +static inline void tda18271_set_if_notch(struct dvb_frontend *fe) +{ + struct tda18271_priv *priv = fe->tuner_priv; + unsigned char *regs = priv->tda18271_regs; + + switch (priv->mode) { + case TDA18271_ANALOG: + regs[R_MPD] &= ~0x80; /* IF notch = 0 */ + break; + case TDA18271_DIGITAL: + regs[R_MPD] |= 0x80; /* IF notch = 1 */ + break; + } +} + static int tda18271_channel_configuration(struct dvb_frontend *fe, struct tda18271_std_map_item *map, u32 freq, u32 bw) @@ -60,25 +75,18 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe, regs[R_EP3] &= ~0x1f; /* clear std bits */ regs[R_EP3] |= (map->agc_mode << 3) | map->std; - /* set rfagc to high speed mode */ - regs[R_EP3] &= ~0x04; + if (priv->id == TDA18271HDC2) { + /* set rfagc to high speed mode */ + regs[R_EP3] &= ~0x04; + } /* set cal mode to normal */ regs[R_EP4] &= ~0x03; - /* update IF output level & IF notch frequency */ + /* update IF output level */ regs[R_EP4] &= ~0x1c; /* clear if level bits */ regs[R_EP4] |= (map->if_lvl << 2); - switch (priv->mode) { - case TDA18271_ANALOG: - regs[R_MPD] &= ~0x80; /* IF notch = 0 */ - break; - case TDA18271_DIGITAL: - regs[R_MPD] |= 0x80; /* IF notch = 1 */ - break; - } - /* update FM_RFn */ regs[R_EP4] &= ~0x80; regs[R_EP4] |= map->fm_rfn << 7; @@ -95,6 +103,9 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe, /* disable Power Level Indicator */ regs[R_EP1] |= 0x40; + /* make sure thermometer is off */ + regs[R_TM] &= ~0x10; + /* frequency dependent parameters */ tda18271_calc_ir_measure(fe, &freq); @@ -135,6 +146,7 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe, switch (priv->role) { case TDA18271_MASTER: tda18271_calc_main_pll(fe, N); + tda18271_set_if_notch(fe); tda18271_write_regs(fe, R_MPD, 4); break; case TDA18271_SLAVE: @@ -142,6 +154,7 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe, tda18271_write_regs(fe, R_CPD, 4); regs[R_MPD] = regs[R_CPD] & 0x7f; + tda18271_set_if_notch(fe); tda18271_write_regs(fe, R_MPD, 1); break; } @@ -160,12 +173,14 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe, msleep(20); - /* set rfagc to normal speed mode */ - if (map->fm_rfn) - regs[R_EP3] &= ~0x04; - else - regs[R_EP3] |= 0x04; - ret = tda18271_write_regs(fe, R_EP3, 1); + if (priv->id == TDA18271HDC2) { + /* set rfagc to normal speed mode */ + if (map->fm_rfn) + regs[R_EP3] &= ~0x04; + else + regs[R_EP3] |= 0x04; + ret = tda18271_write_regs(fe, R_EP3, 1); + } fail: return ret; } @@ -507,7 +522,7 @@ static int tda18271_powerscan_init(struct dvb_frontend *fe) /* set cal mode to normal */ regs[R_EP4] &= ~0x03; - /* update IF output level & IF notch frequency */ + /* update IF output level */ regs[R_EP4] &= ~0x1c; /* clear if level bits */ ret = tda18271_write_regs(fe, R_EP3, 2); |