Em Fri, 13 Nov 2015 23:54:58 +0100
Matthias Schwarzott <z...@gentoo.org> 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 <z...@gentoo.org>
> ---
> 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 & 0x3fffffff;
>
> - /* oversamp, usbdump contained 0x03100000; */
> + 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, 0xf4000000);
> + 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, 0x0000);
> + si2165_writereg16(state, 0x027c, 0x0000);
> + 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)
> ret = si2165_write_reg_list(state, agc_rewrite,
> ARRAY_SIZE(agc_rewrite));
> if (ret < 0)
> - goto error;
> + return ret;
>
> /* start_synchro */
> ret = si2165_writereg8(state, 0x02e0, 0x01);
> @@ -927,7 +1029,12 @@ static void si2165_release(struct dvb_frontend *fe)
> static struct dvb_frontend_ops si2165_ops = {
> .info = {
> .name = "Silicon Labs ",
> - .caps = FE_CAN_FEC_1_2 |
> + /* For DVB-C */
> + .symbol_rate_min = 1000000,
> + .symbol_rate_max = 7200000,
> + /* For DVB-T */
> + .frequency_stepsize = 166667,
> + .caps = FE_CAN_FEC_1_2 |
> FE_CAN_FEC_2_3 |
> FE_CAN_FEC_3_4 |
> FE_CAN_FEC_5_6 |
> @@ -940,7 +1047,6 @@ static struct dvb_frontend_ops si2165_ops = {
> FE_CAN_QAM_128 |
> FE_CAN_QAM_256 |
> FE_CAN_QAM_AUTO |
> - FE_CAN_TRANSMISSION_MODE_AUTO |
> FE_CAN_GUARD_INTERVAL_AUTO |
> FE_CAN_HIERARCHY_AUTO |
> FE_CAN_MUTE_TS |
> @@ -953,7 +1059,7 @@ static struct dvb_frontend_ops si2165_ops = {
> .init = si2165_init,
> .sleep = si2165_sleep,
>
> - .set_frontend = si2165_set_parameters,
> + .set_frontend = si2165_set_frontend,
> .read_status = si2165_read_status,
>
> .release = si2165_release,
> @@ -1052,9 +1158,11 @@ struct dvb_frontend *si2165_attach(const struct
> si2165_config *config,
> strlcat(state->frontend.ops.info.name, " DVB-T",
> sizeof(state->frontend.ops.info.name));
> }
> - if (state->has_dvbc)
> - dev_warn(&state->i2c->dev, "%s: DVB-C is not yet supported.\n",
> - KBUILD_MODNAME);
> + if (state->has_dvbc) {
> + state->frontend.ops.delsys[n++] = SYS_DVBC_ANNEX_A;
> + strlcat(state->frontend.ops.info.name, " DVB-C",
> + sizeof(state->frontend.ops.info.name));
> + }
>
> return &state->frontend;
>
--
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