diff options
Diffstat (limited to 'drivers/media/common/tuners/tuner-simple.c')
| -rw-r--r-- | drivers/media/common/tuners/tuner-simple.c | 68 |
1 files changed, 46 insertions, 22 deletions
diff --git a/drivers/media/common/tuners/tuner-simple.c b/drivers/media/common/tuners/tuner-simple.c index f8ee29e6059c..39e7e583c8c0 100644 --- a/drivers/media/common/tuners/tuner-simple.c +++ b/drivers/media/common/tuners/tuner-simple.c @@ -751,6 +751,17 @@ static int simple_set_radio_freq(struct dvb_frontend *fe, if (4 != rc) tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc); + /* Write AUX byte */ + switch (priv->type) { + case TUNER_PHILIPS_FM1216ME_MK3: + buffer[2] = 0x98; + buffer[3] = 0x20; /* set TOP AGC */ + rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4); + if (4 != rc) + tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc); + break; + } + return 0; } @@ -780,24 +791,26 @@ static int simple_set_params(struct dvb_frontend *fe, } static void simple_set_dvb(struct dvb_frontend *fe, u8 *buf, - const struct dvb_frontend_parameters *params) + const u32 delsys, + const u32 frequency, + const u32 bandwidth) { struct tuner_simple_priv *priv = fe->tuner_priv; switch (priv->type) { case TUNER_PHILIPS_FMD1216ME_MK3: case TUNER_PHILIPS_FMD1216MEX_MK3: - if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ && - params->frequency >= 158870000) + if (bandwidth == 8000000 && + frequency >= 158870000) buf[3] |= 0x08; break; case TUNER_PHILIPS_TD1316: /* determine band */ - buf[3] |= (params->frequency < 161000000) ? 1 : - (params->frequency < 444000000) ? 2 : 4; + buf[3] |= (frequency < 161000000) ? 1 : + (frequency < 444000000) ? 2 : 4; /* setup PLL filter */ - if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) + if (bandwidth == 8000000) buf[3] |= 1 << 3; break; case TUNER_PHILIPS_TUV1236D: @@ -808,12 +821,11 @@ static void simple_set_dvb(struct dvb_frontend *fe, u8 *buf, if (dtv_input[priv->nr]) new_rf = dtv_input[priv->nr]; else - switch (params->u.vsb.modulation) { - case QAM_64: - case QAM_256: + switch (delsys) { + case SYS_DVBC_ANNEX_B: new_rf = 1; break; - case VSB_8: + case SYS_ATSC: default: new_rf = 0; break; @@ -827,7 +839,9 @@ static void simple_set_dvb(struct dvb_frontend *fe, u8 *buf, } static u32 simple_dvb_configure(struct dvb_frontend *fe, u8 *buf, - const struct dvb_frontend_parameters *params) + const u32 delsys, + const u32 freq, + const u32 bw) { /* This function returns the tuned frequency on success, 0 on error */ struct tuner_simple_priv *priv = fe->tuner_priv; @@ -836,7 +850,7 @@ static u32 simple_dvb_configure(struct dvb_frontend *fe, u8 *buf, u8 config, cb; u32 div; int ret; - unsigned frequency = params->frequency / 62500; + u32 frequency = freq / 62500; if (!tun->stepsize) { /* tuner-core was loaded before the digital tuner was @@ -860,7 +874,7 @@ static u32 simple_dvb_configure(struct dvb_frontend *fe, u8 *buf, buf[2] = config; buf[3] = cb; - simple_set_dvb(fe, buf, params); + simple_set_dvb(fe, buf, delsys, freq, bw); tuner_dbg("%s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n", tun->name, div, buf[0], buf[1], buf[2], buf[3]); @@ -870,32 +884,37 @@ static u32 simple_dvb_configure(struct dvb_frontend *fe, u8 *buf, } static int simple_dvb_calc_regs(struct dvb_frontend *fe, - struct dvb_frontend_parameters *params, u8 *buf, int buf_len) { + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + u32 delsys = c->delivery_system; + u32 bw = c->bandwidth_hz; struct tuner_simple_priv *priv = fe->tuner_priv; u32 frequency; if (buf_len < 5) return -EINVAL; - frequency = simple_dvb_configure(fe, buf+1, params); + frequency = simple_dvb_configure(fe, buf+1, delsys, c->frequency, bw); if (frequency == 0) return -EINVAL; buf[0] = priv->i2c_props.addr; priv->frequency = frequency; - priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? - params->u.ofdm.bandwidth : 0; + priv->bandwidth = c->bandwidth_hz; return 5; } -static int simple_dvb_set_params(struct dvb_frontend *fe, - struct dvb_frontend_parameters *params) +static int simple_dvb_set_params(struct dvb_frontend *fe) { + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + u32 delsys = c->delivery_system; + u32 bw = c->bandwidth_hz; + u32 freq = c->frequency; struct tuner_simple_priv *priv = fe->tuner_priv; + u32 frequency; u32 prev_freq, prev_bw; int ret; u8 buf[5]; @@ -906,9 +925,14 @@ static int simple_dvb_set_params(struct dvb_frontend *fe, prev_freq = priv->frequency; prev_bw = priv->bandwidth; - ret = simple_dvb_calc_regs(fe, params, buf, 5); - if (ret != 5) - goto fail; + frequency = simple_dvb_configure(fe, buf+1, delsys, freq, bw); + if (frequency == 0) + return -EINVAL; + + buf[0] = priv->i2c_props.addr; + + priv->frequency = frequency; + priv->bandwidth = bw; /* put analog demod in standby when tuning digital */ if (fe->ops.analog_ops.standby) |