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| author | Antti Palosaari <crope@iki.fi> | 2012-09-11 22:27:04 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-09-23 17:31:57 -0300 |
| commit | 832cc7cdfb8ba78e03cf5c8c0ad9701ed0e20fb6 (patch) | |
| tree | a4c64c9fdf4096557ead4e655c1eb153cc555b61 /drivers/media/dvb-frontends/rtl2832.c | |
| parent | c2d246d1f0302fb4b390c06b73ca4f0ec6553bc6 (diff) | |
| download | lwn-832cc7cdfb8ba78e03cf5c8c0ad9701ed0e20fb6.tar.gz lwn-832cc7cdfb8ba78e03cf5c8c0ad9701ed0e20fb6.zip | |
[media] rtl2832: separate tuner specific init from general
It is first step closer to support multiple tuners.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb-frontends/rtl2832.c')
| -rw-r--r-- | drivers/media/dvb-frontends/rtl2832.c | 58 |
1 files changed, 23 insertions, 35 deletions
diff --git a/drivers/media/dvb-frontends/rtl2832.c b/drivers/media/dvb-frontends/rtl2832.c index 4d40b4f42a1f..d670fe76860d 100644 --- a/drivers/media/dvb-frontends/rtl2832.c +++ b/drivers/media/dvb-frontends/rtl2832.c @@ -382,10 +382,10 @@ err: static int rtl2832_init(struct dvb_frontend *fe) { struct rtl2832_priv *priv = fe->demodulator_priv; - int i, ret; - + int i, ret, len; u8 en_bbin; u64 pset_iffreq; + const struct rtl2832_reg_value *init; /* initialization values for the demodulator registers */ struct rtl2832_reg_value rtl2832_initial_regs[] = { @@ -432,39 +432,8 @@ static int rtl2832_init(struct dvb_frontend *fe) {DVBT_TRK_KC_I2, 0x5}, {DVBT_CR_THD_SET2, 0x1}, {DVBT_SPEC_INV, 0x0}, - {DVBT_DAGC_TRG_VAL, 0x5a}, - {DVBT_AGC_TARG_VAL_0, 0x0}, - {DVBT_AGC_TARG_VAL_8_1, 0x5a}, - {DVBT_AAGC_LOOP_GAIN, 0x16}, - {DVBT_LOOP_GAIN2_3_0, 0x6}, - {DVBT_LOOP_GAIN2_4, 0x1}, - {DVBT_LOOP_GAIN3, 0x16}, - {DVBT_VTOP1, 0x35}, - {DVBT_VTOP2, 0x21}, - {DVBT_VTOP3, 0x21}, - {DVBT_KRF1, 0x0}, - {DVBT_KRF2, 0x40}, - {DVBT_KRF3, 0x10}, - {DVBT_KRF4, 0x10}, - {DVBT_IF_AGC_MIN, 0x80}, - {DVBT_IF_AGC_MAX, 0x7f}, - {DVBT_RF_AGC_MIN, 0x80}, - {DVBT_RF_AGC_MAX, 0x7f}, - {DVBT_POLAR_RF_AGC, 0x0}, - {DVBT_POLAR_IF_AGC, 0x0}, - {DVBT_AD7_SETTING, 0xe9bf}, - {DVBT_EN_GI_PGA, 0x0}, - {DVBT_THD_LOCK_UP, 0x0}, - {DVBT_THD_LOCK_DW, 0x0}, - {DVBT_THD_UP1, 0x11}, - {DVBT_THD_DW1, 0xef}, - {DVBT_INTER_CNT_LEN, 0xc}, - {DVBT_GI_PGA_STATE, 0x0}, - {DVBT_EN_AGC_PGA, 0x1}, - {DVBT_IF_AGC_MAN, 0x0}, }; - dbg("%s", __func__); en_bbin = (priv->cfg.if_dvbt == 0 ? 0x1 : 0x0); @@ -478,8 +447,6 @@ static int rtl2832_init(struct dvb_frontend *fe) pset_iffreq = div_u64(pset_iffreq, priv->cfg.xtal); pset_iffreq = pset_iffreq & 0x3fffff; - - for (i = 0; i < ARRAY_SIZE(rtl2832_initial_regs); i++) { ret = rtl2832_wr_demod_reg(priv, rtl2832_initial_regs[i].reg, rtl2832_initial_regs[i].value); @@ -487,6 +454,27 @@ static int rtl2832_init(struct dvb_frontend *fe) goto err; } + /* load tuner specific settings */ + dbg("%s: load settings for tuner=%02x", __func__, priv->cfg.tuner); + switch (priv->cfg.tuner) { + case RTL2832_TUNER_FC0012: + case RTL2832_TUNER_FC0013: + len = ARRAY_SIZE(rtl2832_tuner_init_fc0012); + init = rtl2832_tuner_init_fc0012; + break; + default: + ret = -EINVAL; + goto err; + } + + for (i = 0; i < len; i++) { + ret = rtl2832_wr_demod_reg(priv, + rtl2832_tuner_init_fc0012[i].reg, + rtl2832_tuner_init_fc0012[i].value); + if (ret) + goto err; + } + /* if frequency settings */ ret = rtl2832_wr_demod_reg(priv, DVBT_EN_BBIN, en_bbin); if (ret) |