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[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>
This commit is contained in:
Antti Palosaari 2012-09-11 22:27:04 -03:00 committed by Mauro Carvalho Chehab
parent c2d246d1f0
commit 832cc7cdfb
4 changed files with 63 additions and 38 deletions
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58
drivers/media/dvb-frontends/rtl2832.c
View File

@ -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)

5
drivers/media/dvb-frontends/rtl2832.h
View File

@ -44,11 +44,14 @@ struct rtl2832_config {
u32 if_dvbt;
/*
* tuner
* XXX: This must be keep sync with dvb_usb_rtl28xxu demod driver.
*/
#define RTL2832_TUNER_FC0012 0x26
#define RTL2832_TUNER_FC0013 0x29
u8 tuner;
};
#if defined(CONFIG_DVB_RTL2832) || \
(defined(CONFIG_DVB_RTL2832_MODULE) && defined(MODULE))
extern struct dvb_frontend *rtl2832_attach(

33
drivers/media/dvb-frontends/rtl2832_priv.h
View File

@ -257,4 +257,37 @@ enum DVBT_REG_BIT_NAME {
DVBT_REG_BIT_NAME_ITEM_TERMINATOR,
};
static const struct rtl2832_reg_value rtl2832_tuner_init_fc0012[] = {
{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},
};
#endif /* RTL2832_PRIV_H */

5
drivers/media/usb/dvb-usb-v2/rtl28xxu.h
View File

@ -63,14 +63,15 @@ enum rtl28xxu_chip_id {
CHIP_ID_RTL2832U,
};
/* XXX: Hack. This must be keep sync with rtl2832 demod driver. */
enum rtl28xxu_tuner {
TUNER_NONE,
TUNER_RTL2830_QT1010,
TUNER_RTL2830_QT1010 = 0x10,
TUNER_RTL2830_MT2060,
TUNER_RTL2830_MXL5005S,
TUNER_RTL2832_MT2266,
TUNER_RTL2832_MT2266 = 0x20,
TUNER_RTL2832_FC2580,
TUNER_RTL2832_MT2063,
TUNER_RTL2832_MAX3543,