Re: [PATCH 4/4] si2165: Add DVB-C support for HVR-4400/HVR-5500
Am 19.11.2015 um 14:28 schrieb Mauro Carvalho Chehab: > Em Fri, 13 Nov 2015 23:54:58 +0100 > Matthias Schwarzott escreveu: > >> It works only for HVR-4400/HVR-5500. >> For WinTV-HVR-930C-HD it fails with bad/no reception >> for unknown reasons. > > Patch 3/4 of this series is broken. As this one depends on it, please > resend both patches 3 and 4 on your next patch series. > > Regards, > Mauro > > PS.: patches 1 and 2 are ok and got applied upstream already. > > Hi Mauro, if you did not notice, I split the patches down into more parts, improved them a bit and sent them with subject "si2165: Add simple DVB-C support". Regards Matthias -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH 4/4] si2165: Add DVB-C support for HVR-4400/HVR-5500
Em Fri, 13 Nov 2015 23:54:58 +0100 Matthias Schwarzott escreveu: > It works only for HVR-4400/HVR-5500. > For WinTV-HVR-930C-HD it fails with bad/no reception > for unknown reasons. Patch 3/4 of this series is broken. As this one depends on it, please resend both patches 3 and 4 on your next patch series. Regards, Mauro PS.: patches 1 and 2 are ok and got applied upstream already. > > Signed-off-by: Matthias Schwarzott > --- > drivers/media/dvb-frontends/si2165.c | 132 > +++ > 1 file changed, 120 insertions(+), 12 deletions(-) > > diff --git a/drivers/media/dvb-frontends/si2165.c > b/drivers/media/dvb-frontends/si2165.c > index c87d927..97a6eac 100644 > --- a/drivers/media/dvb-frontends/si2165.c > +++ b/drivers/media/dvb-frontends/si2165.c > @@ -760,7 +760,7 @@ static int si2165_set_oversamp(struct si2165_state > *state, u32 dvb_rate) > do_div(oversamp, dvb_rate); > reg_value = oversamp & 0x3fff; > > - /* oversamp, usbdump contained 0x0310; */ > + dprintk("%s: Write oversamp=%#x\n", __func__, reg_value); > return si2165_writereg32(state, 0x00e4, reg_value); > } > > @@ -823,7 +823,7 @@ static const struct si2165_reg_value_pair dvbt_regs[] = { > { 0x0387, 0x00 } > }; > > -static int si2165_set_parameters(struct dvb_frontend *fe) > +static int si2165_set_frontend_dvbt(struct dvb_frontend *fe) > { > int ret; > struct dtv_frontend_properties *p = &fe->dtv_property_cache; > @@ -851,9 +851,6 @@ static int si2165_set_parameters(struct dvb_frontend *fe) > if (ret < 0) > return ret; > > - ret = si2165_set_if_freq_shift(state); > - if (ret < 0) > - return ret; > ret = si2165_writereg8(state, 0x08f8, 0x00); > if (ret < 0) > return ret; > @@ -874,6 +871,110 @@ static int si2165_set_parameters(struct dvb_frontend > *fe) > if (ret < 0) > return ret; > > + return 0; > +} > + > +static const struct si2165_reg_value_pair dvbc_regs[] = { > + /* agc2 */ > + { 0x016e, 0x50 }, > + { 0x016c, 0x0e }, > + { 0x016d, 0x10 }, > + /* agc */ > + { 0x015b, 0x03 }, > + { 0x0150, 0x68 }, > + /* agc */ > + { 0x01a0, 0x68 }, > + { 0x01c8, 0x50 }, > + > + { 0x0278, 0x0d }, > + > + { 0x023a, 0x05 }, > + { 0x0261, 0x09 }, > + REG16(0x0350, 0x3e80), > + { 0x02f4, 0x00 } > +}; > + > +static int si2165_set_frontend_dvbc(struct dvb_frontend *fe) > +{ > + struct si2165_state *state = fe->demodulator_priv; > + int ret; > + struct dtv_frontend_properties *p = &fe->dtv_property_cache; > + const u32 dvb_rate = p->symbol_rate; > + const u32 bw_hz = p->bandwidth_hz; > + > + if (!state->has_dvbc) > + return -EINVAL; > + > + if (dvb_rate == 0) > + return -EINVAL; > + > + /* standard = DVB-C */ > + ret = si2165_writereg8(state, 0x00ec, 0x05); > + if (ret < 0) > + return ret; > + ret = si2165_adjust_pll_divl(state, 14); > + if (ret < 0) > + return ret; > + > + ret = si2165_writereg8(state, 0x08f8, 0x00); > + if (ret < 0) > + return ret; > + > + /* Oversampling */ > + ret = si2165_set_oversamp(state, dvb_rate); > + if (ret < 0) > + return ret; > + > + ret = si2165_write_reg_list(state, dvbc_regs, ARRAY_SIZE(dvbc_regs)); > + if (ret < 0) > + return ret; > + > + /* dsp_addr_jump */ > + ret = si2165_writereg32(state, 0x0348, 0xf400); > + if (ret < 0) > + return ret; > + > + si2165_writereg32(state, 0x00c4, bw_hz); > + si2165_writereg8(state, 0x00cb, 0x01); > + si2165_writereg8(state, 0x00c0, 0x00); > + si2165_writereg16(state, 0x024c, 0x); > + si2165_writereg16(state, 0x027c, 0x); > + si2165_writereg8(state, 0x0232, 0x03); > + si2165_writereg8(state, 0x02f4, 0x0b); > + si2165_writereg8(state, 0x00c0, 0x00); > + si2165_writereg8(state, 0x018b, 0x00); > + > + return 0; > +} > + > +static int si2165_set_frontend(struct dvb_frontend *fe) > +{ > + struct si2165_state *state = fe->demodulator_priv; > + struct dtv_frontend_properties *p = &fe->dtv_property_cache; > + u32 delsys = p->delivery_system; > + int ret; > + u8 val[3]; > + > + /* initial setting of if freq shift */ > + ret = si2165_set_if_freq_shift(state); > + if (ret < 0) > + return ret; > + > + switch (delsys) { > + case SYS_DVBT: > + ret = si2165_set_frontend_dvbt(fe); > + if (ret < 0) > + return ret; > + break; > + case SYS_DVBC_ANNEX_A: > + ret = si2165_set_frontend_dvbc(fe); > + if (ret < 0) > + return ret; > + break; > + default: > + return -EINVAL; > + } > + > if (fe->ops.tuner_ops.set_params) > fe->ops.tuner
[PATCH 4/4] si2165: Add DVB-C support for HVR-4400/HVR-5500
It works only for HVR-4400/HVR-5500. For WinTV-HVR-930C-HD it fails with bad/no reception for unknown reasons. Signed-off-by: Matthias Schwarzott --- drivers/media/dvb-frontends/si2165.c | 132 +++ 1 file changed, 120 insertions(+), 12 deletions(-) diff --git a/drivers/media/dvb-frontends/si2165.c b/drivers/media/dvb-frontends/si2165.c index c87d927..97a6eac 100644 --- a/drivers/media/dvb-frontends/si2165.c +++ b/drivers/media/dvb-frontends/si2165.c @@ -760,7 +760,7 @@ static int si2165_set_oversamp(struct si2165_state *state, u32 dvb_rate) do_div(oversamp, dvb_rate); reg_value = oversamp & 0x3fff; - /* oversamp, usbdump contained 0x0310; */ + dprintk("%s: Write oversamp=%#x\n", __func__, reg_value); return si2165_writereg32(state, 0x00e4, reg_value); } @@ -823,7 +823,7 @@ static const struct si2165_reg_value_pair dvbt_regs[] = { { 0x0387, 0x00 } }; -static int si2165_set_parameters(struct dvb_frontend *fe) +static int si2165_set_frontend_dvbt(struct dvb_frontend *fe) { int ret; struct dtv_frontend_properties *p = &fe->dtv_property_cache; @@ -851,9 +851,6 @@ static int si2165_set_parameters(struct dvb_frontend *fe) if (ret < 0) return ret; - ret = si2165_set_if_freq_shift(state); - if (ret < 0) - return ret; ret = si2165_writereg8(state, 0x08f8, 0x00); if (ret < 0) return ret; @@ -874,6 +871,110 @@ static int si2165_set_parameters(struct dvb_frontend *fe) if (ret < 0) return ret; + return 0; +} + +static const struct si2165_reg_value_pair dvbc_regs[] = { + /* agc2 */ + { 0x016e, 0x50 }, + { 0x016c, 0x0e }, + { 0x016d, 0x10 }, + /* agc */ + { 0x015b, 0x03 }, + { 0x0150, 0x68 }, + /* agc */ + { 0x01a0, 0x68 }, + { 0x01c8, 0x50 }, + + { 0x0278, 0x0d }, + + { 0x023a, 0x05 }, + { 0x0261, 0x09 }, + REG16(0x0350, 0x3e80), + { 0x02f4, 0x00 } +}; + +static int si2165_set_frontend_dvbc(struct dvb_frontend *fe) +{ + struct si2165_state *state = fe->demodulator_priv; + int ret; + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + const u32 dvb_rate = p->symbol_rate; + const u32 bw_hz = p->bandwidth_hz; + + if (!state->has_dvbc) + return -EINVAL; + + if (dvb_rate == 0) + return -EINVAL; + + /* standard = DVB-C */ + ret = si2165_writereg8(state, 0x00ec, 0x05); + if (ret < 0) + return ret; + ret = si2165_adjust_pll_divl(state, 14); + if (ret < 0) + return ret; + + ret = si2165_writereg8(state, 0x08f8, 0x00); + if (ret < 0) + return ret; + + /* Oversampling */ + ret = si2165_set_oversamp(state, dvb_rate); + if (ret < 0) + return ret; + + ret = si2165_write_reg_list(state, dvbc_regs, ARRAY_SIZE(dvbc_regs)); + if (ret < 0) + return ret; + + /* dsp_addr_jump */ + ret = si2165_writereg32(state, 0x0348, 0xf400); + if (ret < 0) + return ret; + + si2165_writereg32(state, 0x00c4, bw_hz); + si2165_writereg8(state, 0x00cb, 0x01); + si2165_writereg8(state, 0x00c0, 0x00); + si2165_writereg16(state, 0x024c, 0x); + si2165_writereg16(state, 0x027c, 0x); + si2165_writereg8(state, 0x0232, 0x03); + si2165_writereg8(state, 0x02f4, 0x0b); + si2165_writereg8(state, 0x00c0, 0x00); + si2165_writereg8(state, 0x018b, 0x00); + + return 0; +} + +static int si2165_set_frontend(struct dvb_frontend *fe) +{ + struct si2165_state *state = fe->demodulator_priv; + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + u32 delsys = p->delivery_system; + int ret; + u8 val[3]; + + /* initial setting of if freq shift */ + ret = si2165_set_if_freq_shift(state); + if (ret < 0) + return ret; + + switch (delsys) { + case SYS_DVBT: + ret = si2165_set_frontend_dvbt(fe); + if (ret < 0) + return ret; + break; + case SYS_DVBC_ANNEX_A: + ret = si2165_set_frontend_dvbc(fe); + if (ret < 0) + return ret; + break; + default: + return -EINVAL; + } + if (fe->ops.tuner_ops.set_params) fe->ops.tuner_ops.set_params(fe); @@ -889,6 +990,7 @@ static int si2165_set_parameters(struct dvb_frontend *fe) ret = si2165_writereg8(state, 0x0341, 0x00); if (ret < 0) return ret; + /* reset all */ ret = si2165_writereg8(state, 0x00c0, 0x00); if (ret < 0) @@ -902,7 +1004,7 @@ static int si2165_set_parameters(struct dvb_frontend *fe)