提交 0f0d1a39 编写于 作者: M Mauro Carvalho Chehab

[media] tda10048: convert set_fontend to use DVBv5 parameters

Instead of using dvb_frontend_parameters struct, that were
designed for a subset of the supported standards, use the DVBv5
cache information.

Also, fill the supported delivery systems at dvb_frontend_ops
struct.
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>
上级 285d55ad
......@@ -341,21 +341,14 @@ static int tda10048_set_wref(struct dvb_frontend *fe, u32 sample_freq_hz,
{
struct tda10048_state *state = fe->demodulator_priv;
u64 t, z;
u32 b = 8000000;
dprintk(1, "%s()\n", __func__);
if (sample_freq_hz == 0)
return -EINVAL;
if (bw == BANDWIDTH_6_MHZ)
b = 6000000;
else
if (bw == BANDWIDTH_7_MHZ)
b = 7000000;
/* WREF = (B / (7 * fs)) * 2^31 */
t = b * 10;
t = bw * 10;
/* avoid warning: this decimal constant is unsigned only in ISO C90 */
/* t *= 2147483648 on 32bit platforms */
t *= (2048 * 1024);
......@@ -378,25 +371,18 @@ static int tda10048_set_invwref(struct dvb_frontend *fe, u32 sample_freq_hz,
{
struct tda10048_state *state = fe->demodulator_priv;
u64 t;
u32 b = 8000000;
dprintk(1, "%s()\n", __func__);
if (sample_freq_hz == 0)
return -EINVAL;
if (bw == BANDWIDTH_6_MHZ)
b = 6000000;
else
if (bw == BANDWIDTH_7_MHZ)
b = 7000000;
/* INVWREF = ((7 * fs) / B) * 2^5 */
t = sample_freq_hz;
t *= 7;
t *= 32;
t *= 10;
do_div(t, b);
do_div(t, bw);
t += 5;
do_div(t, 10);
......@@ -407,16 +393,16 @@ static int tda10048_set_invwref(struct dvb_frontend *fe, u32 sample_freq_hz,
}
static int tda10048_set_bandwidth(struct dvb_frontend *fe,
enum fe_bandwidth bw)
u32 bw)
{
struct tda10048_state *state = fe->demodulator_priv;
dprintk(1, "%s(bw=%d)\n", __func__, bw);
/* Bandwidth setting may need to be adjusted */
switch (bw) {
case BANDWIDTH_6_MHZ:
case BANDWIDTH_7_MHZ:
case BANDWIDTH_8_MHZ:
case 6000000:
case 7000000:
case 8000000:
tda10048_set_wref(fe, state->sample_freq, bw);
tda10048_set_invwref(fe, state->sample_freq, bw);
break;
......@@ -430,7 +416,7 @@ static int tda10048_set_bandwidth(struct dvb_frontend *fe,
return 0;
}
static int tda10048_set_if(struct dvb_frontend *fe, enum fe_bandwidth bw)
static int tda10048_set_if(struct dvb_frontend *fe, u32 bw)
{
struct tda10048_state *state = fe->demodulator_priv;
struct tda10048_config *config = &state->config;
......@@ -441,13 +427,13 @@ static int tda10048_set_if(struct dvb_frontend *fe, enum fe_bandwidth bw)
/* based on target bandwidth and clk we calculate pll factors */
switch (bw) {
case BANDWIDTH_6_MHZ:
case 6000000:
if_freq_khz = config->dtv6_if_freq_khz;
break;
case BANDWIDTH_7_MHZ:
case 7000000:
if_freq_khz = config->dtv7_if_freq_khz;
break;
case BANDWIDTH_8_MHZ:
case 8000000:
if_freq_khz = config->dtv8_if_freq_khz;
break;
default:
......@@ -601,7 +587,7 @@ static int tda10048_set_inversion(struct dvb_frontend *fe, int inversion)
/* Retrieve the demod settings */
static int tda10048_get_tps(struct tda10048_state *state,
struct dvb_ofdm_parameters *p)
struct dtv_frontend_properties *p)
{
u8 val;
......@@ -612,27 +598,27 @@ static int tda10048_get_tps(struct tda10048_state *state,
val = tda10048_readreg(state, TDA10048_OUT_CONF2);
switch ((val & 0x60) >> 5) {
case 0:
p->constellation = QPSK;
p->modulation = QPSK;
break;
case 1:
p->constellation = QAM_16;
p->modulation = QAM_16;
break;
case 2:
p->constellation = QAM_64;
p->modulation = QAM_64;
break;
}
switch ((val & 0x18) >> 3) {
case 0:
p->hierarchy_information = HIERARCHY_NONE;
p->hierarchy = HIERARCHY_NONE;
break;
case 1:
p->hierarchy_information = HIERARCHY_1;
p->hierarchy = HIERARCHY_1;
break;
case 2:
p->hierarchy_information = HIERARCHY_2;
p->hierarchy = HIERARCHY_2;
break;
case 3:
p->hierarchy_information = HIERARCHY_4;
p->hierarchy = HIERARCHY_4;
break;
}
switch (val & 0x07) {
......@@ -738,17 +724,17 @@ static int tda10048_output_mode(struct dvb_frontend *fe, int serial)
/* Talk to the demod, set the FEC, GUARD, QAM settings etc */
/* TODO: Support manual tuning with specific params */
static int tda10048_set_frontend(struct dvb_frontend *fe,
struct dvb_frontend_parameters *p)
static int tda10048_set_frontend(struct dvb_frontend *fe)
{
struct dtv_frontend_properties *p = &fe->dtv_property_cache;
struct tda10048_state *state = fe->demodulator_priv;
dprintk(1, "%s(frequency=%d)\n", __func__, p->frequency);
/* Update the I/F pll's if the bandwidth changes */
if (p->u.ofdm.bandwidth != state->bandwidth) {
tda10048_set_if(fe, p->u.ofdm.bandwidth);
tda10048_set_bandwidth(fe, p->u.ofdm.bandwidth);
if (p->bandwidth_hz != state->bandwidth) {
tda10048_set_if(fe, p->bandwidth_hz);
tda10048_set_bandwidth(fe, p->bandwidth_hz);
}
if (fe->ops.tuner_ops.set_params) {
......@@ -797,8 +783,8 @@ static int tda10048_init(struct dvb_frontend *fe)
tda10048_set_inversion(fe, config->inversion);
/* Establish default RF values */
tda10048_set_if(fe, BANDWIDTH_8_MHZ);
tda10048_set_bandwidth(fe, BANDWIDTH_8_MHZ);
tda10048_set_if(fe, 8000000);
tda10048_set_bandwidth(fe, 8000000);
/* Ensure we leave the gate closed */
tda10048_i2c_gate_ctrl(fe, 0);
......@@ -1043,7 +1029,7 @@ static int tda10048_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
}
static int tda10048_get_frontend(struct dvb_frontend *fe,
struct dvb_frontend_parameters *p)
struct dtv_frontend_properties *p)
{
struct tda10048_state *state = fe->demodulator_priv;
......@@ -1052,7 +1038,7 @@ static int tda10048_get_frontend(struct dvb_frontend *fe,
p->inversion = tda10048_readreg(state, TDA10048_CONF_C1_1)
& 0x20 ? INVERSION_ON : INVERSION_OFF;
return tda10048_get_tps(state, &p->u.ofdm);
return tda10048_get_tps(state, p);
}
static int tda10048_get_tune_settings(struct dvb_frontend *fe,
......@@ -1126,7 +1112,7 @@ struct dvb_frontend *tda10048_attach(const struct tda10048_config *config,
memcpy(&state->config, config, sizeof(*config));
state->i2c = i2c;
state->fwloaded = config->no_firmware;
state->bandwidth = BANDWIDTH_8_MHZ;
state->bandwidth = 8000000;
/* check if the demod is present */
if (tda10048_readreg(state, TDA10048_IDENTITY) != 0x048)
......@@ -1152,11 +1138,11 @@ struct dvb_frontend *tda10048_attach(const struct tda10048_config *config,
tda10048_establish_defaults(&state->frontend);
/* Set the xtal and freq defaults */
if (tda10048_set_if(&state->frontend, BANDWIDTH_8_MHZ) != 0)
if (tda10048_set_if(&state->frontend, 8000000) != 0)
goto error;
/* Default bandwidth */
if (tda10048_set_bandwidth(&state->frontend, BANDWIDTH_8_MHZ) != 0)
if (tda10048_set_bandwidth(&state->frontend, 8000000) != 0)
goto error;
/* Leave the gate closed */
......@@ -1188,8 +1174,8 @@ static struct dvb_frontend_ops tda10048_ops = {
.release = tda10048_release,
.init = tda10048_init,
.i2c_gate_ctrl = tda10048_i2c_gate_ctrl,
.set_frontend_legacy = tda10048_set_frontend,
.get_frontend_legacy = tda10048_get_frontend,
.set_frontend = tda10048_set_frontend,
.get_frontend = tda10048_get_frontend,
.get_tune_settings = tda10048_get_tune_settings,
.read_status = tda10048_read_status,
.read_ber = tda10048_read_ber,
......
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