aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--drivers/media/dvb-frontends/cxd2820r_c.c108
-rw-r--r--drivers/media/dvb-frontends/cxd2820r_core.c85
-rw-r--r--drivers/media/dvb-frontends/cxd2820r_priv.h25
-rw-r--r--drivers/media/dvb-frontends/cxd2820r_t.c94
-rw-r--r--drivers/media/dvb-frontends/cxd2820r_t2.c87
5 files changed, 22 insertions, 377 deletions
diff --git a/drivers/media/dvb-frontends/cxd2820r_c.c b/drivers/media/dvb-frontends/cxd2820r_c.c
index 7cdcd5535d06..82df94413aeb 100644
--- a/drivers/media/dvb-frontends/cxd2820r_c.c
+++ b/drivers/media/dvb-frontends/cxd2820r_c.c
@@ -149,114 +149,6 @@ error:
return ret;
}
-int cxd2820r_read_ber_c(struct dvb_frontend *fe, u32 *ber)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
- u8 buf[3], start_ber = 0;
- *ber = 0;
-
- if (priv->ber_running) {
- ret = cxd2820r_rd_regs(priv, 0x10076, buf, sizeof(buf));
- if (ret)
- goto error;
-
- if ((buf[2] >> 7) & 0x01 || (buf[2] >> 4) & 0x01) {
- *ber = (buf[2] & 0x0f) << 16 | buf[1] << 8 | buf[0];
- start_ber = 1;
- }
- } else {
- priv->ber_running = true;
- start_ber = 1;
- }
-
- if (start_ber) {
- /* (re)start BER */
- ret = cxd2820r_wr_reg(priv, 0x10079, 0x01);
- if (ret)
- goto error;
- }
-
- return ret;
-error:
- dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
- return ret;
-}
-
-int cxd2820r_read_signal_strength_c(struct dvb_frontend *fe,
- u16 *strength)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
- u8 buf[2];
- u16 tmp;
-
- ret = cxd2820r_rd_regs(priv, 0x10049, buf, sizeof(buf));
- if (ret)
- goto error;
-
- tmp = (buf[0] & 0x03) << 8 | buf[1];
- tmp = (~tmp & 0x03ff);
-
- if (tmp == 512)
- /* ~no signal */
- tmp = 0;
- else if (tmp > 350)
- tmp = 350;
-
- /* scale value to 0x0000-0xffff */
- *strength = tmp * 0xffff / (350-0);
-
- return ret;
-error:
- dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
- return ret;
-}
-
-int cxd2820r_read_snr_c(struct dvb_frontend *fe, u16 *snr)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
- u8 tmp;
- unsigned int A, B;
- /* report SNR in dB * 10 */
-
- ret = cxd2820r_rd_reg(priv, 0x10019, &tmp);
- if (ret)
- goto error;
-
- if (((tmp >> 0) & 0x03) % 2) {
- A = 875;
- B = 650;
- } else {
- A = 950;
- B = 760;
- }
-
- ret = cxd2820r_rd_reg(priv, 0x1004d, &tmp);
- if (ret)
- goto error;
-
- #define CXD2820R_LOG2_E_24 24204406 /* log2(e) << 24 */
- if (tmp)
- *snr = A * (intlog2(B / tmp) >> 5) / (CXD2820R_LOG2_E_24 >> 5)
- / 10;
- else
- *snr = 0;
-
- return ret;
-error:
- dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
- return ret;
-}
-
-int cxd2820r_read_ucblocks_c(struct dvb_frontend *fe, u32 *ucblocks)
-{
- *ucblocks = 0;
- /* no way to read ? */
- return 0;
-}
-
int cxd2820r_read_status_c(struct dvb_frontend *fe, enum fe_status *status)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
diff --git a/drivers/media/dvb-frontends/cxd2820r_core.c b/drivers/media/dvb-frontends/cxd2820r_core.c
index 314d3b8c1080..66da8212cb60 100644
--- a/drivers/media/dvb-frontends/cxd2820r_core.c
+++ b/drivers/media/dvb-frontends/cxd2820r_core.c
@@ -345,101 +345,58 @@ static int cxd2820r_get_frontend(struct dvb_frontend *fe,
static int cxd2820r_read_ber(struct dvb_frontend *fe, u32 *ber)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
dev_dbg(&priv->i2c->dev, "%s: delsys=%d\n", __func__,
fe->dtv_property_cache.delivery_system);
- switch (fe->dtv_property_cache.delivery_system) {
- case SYS_DVBT:
- ret = cxd2820r_read_ber_t(fe, ber);
- break;
- case SYS_DVBT2:
- ret = cxd2820r_read_ber_t2(fe, ber);
- break;
- case SYS_DVBC_ANNEX_A:
- ret = cxd2820r_read_ber_c(fe, ber);
- break;
- default:
- ret = -EINVAL;
- break;
- }
- return ret;
+ *ber = (priv->post_bit_error - priv->post_bit_error_prev_dvbv3);
+ priv->post_bit_error_prev_dvbv3 = priv->post_bit_error;
+
+ return 0;
}
static int cxd2820r_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
dev_dbg(&priv->i2c->dev, "%s: delsys=%d\n", __func__,
fe->dtv_property_cache.delivery_system);
- switch (fe->dtv_property_cache.delivery_system) {
- case SYS_DVBT:
- ret = cxd2820r_read_signal_strength_t(fe, strength);
- break;
- case SYS_DVBT2:
- ret = cxd2820r_read_signal_strength_t2(fe, strength);
- break;
- case SYS_DVBC_ANNEX_A:
- ret = cxd2820r_read_signal_strength_c(fe, strength);
- break;
- default:
- ret = -EINVAL;
- break;
- }
- return ret;
+ if (c->strength.stat[0].scale == FE_SCALE_RELATIVE)
+ *strength = c->strength.stat[0].uvalue;
+ else
+ *strength = 0;
+
+ return 0;
}
static int cxd2820r_read_snr(struct dvb_frontend *fe, u16 *snr)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
dev_dbg(&priv->i2c->dev, "%s: delsys=%d\n", __func__,
fe->dtv_property_cache.delivery_system);
- switch (fe->dtv_property_cache.delivery_system) {
- case SYS_DVBT:
- ret = cxd2820r_read_snr_t(fe, snr);
- break;
- case SYS_DVBT2:
- ret = cxd2820r_read_snr_t2(fe, snr);
- break;
- case SYS_DVBC_ANNEX_A:
- ret = cxd2820r_read_snr_c(fe, snr);
- break;
- default:
- ret = -EINVAL;
- break;
- }
- return ret;
+ if (c->cnr.stat[0].scale == FE_SCALE_DECIBEL)
+ *snr = div_s64(c->cnr.stat[0].svalue, 100);
+ else
+ *snr = 0;
+
+ return 0;
}
static int cxd2820r_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
dev_dbg(&priv->i2c->dev, "%s: delsys=%d\n", __func__,
fe->dtv_property_cache.delivery_system);
- switch (fe->dtv_property_cache.delivery_system) {
- case SYS_DVBT:
- ret = cxd2820r_read_ucblocks_t(fe, ucblocks);
- break;
- case SYS_DVBT2:
- ret = cxd2820r_read_ucblocks_t2(fe, ucblocks);
- break;
- case SYS_DVBC_ANNEX_A:
- ret = cxd2820r_read_ucblocks_c(fe, ucblocks);
- break;
- default:
- ret = -EINVAL;
- break;
- }
- return ret;
+ *ucblocks = 0;
+
+ return 0;
}
static int cxd2820r_init(struct dvb_frontend *fe)
diff --git a/drivers/media/dvb-frontends/cxd2820r_priv.h b/drivers/media/dvb-frontends/cxd2820r_priv.h
index a97570b7fa1d..66b19dd1f186 100644
--- a/drivers/media/dvb-frontends/cxd2820r_priv.h
+++ b/drivers/media/dvb-frontends/cxd2820r_priv.h
@@ -41,6 +41,7 @@ struct cxd2820r_priv {
struct i2c_adapter *i2c;
struct dvb_frontend fe;
struct cxd2820r_config cfg;
+ u64 post_bit_error_prev_dvbv3;
u64 post_bit_error;
bool ber_running;
@@ -87,14 +88,6 @@ int cxd2820r_set_frontend_c(struct dvb_frontend *fe);
int cxd2820r_read_status_c(struct dvb_frontend *fe, enum fe_status *status);
-int cxd2820r_read_ber_c(struct dvb_frontend *fe, u32 *ber);
-
-int cxd2820r_read_signal_strength_c(struct dvb_frontend *fe, u16 *strength);
-
-int cxd2820r_read_snr_c(struct dvb_frontend *fe, u16 *snr);
-
-int cxd2820r_read_ucblocks_c(struct dvb_frontend *fe, u32 *ucblocks);
-
int cxd2820r_init_c(struct dvb_frontend *fe);
int cxd2820r_sleep_c(struct dvb_frontend *fe);
@@ -111,14 +104,6 @@ int cxd2820r_set_frontend_t(struct dvb_frontend *fe);
int cxd2820r_read_status_t(struct dvb_frontend *fe, enum fe_status *status);
-int cxd2820r_read_ber_t(struct dvb_frontend *fe, u32 *ber);
-
-int cxd2820r_read_signal_strength_t(struct dvb_frontend *fe, u16 *strength);
-
-int cxd2820r_read_snr_t(struct dvb_frontend *fe, u16 *snr);
-
-int cxd2820r_read_ucblocks_t(struct dvb_frontend *fe, u32 *ucblocks);
-
int cxd2820r_init_t(struct dvb_frontend *fe);
int cxd2820r_sleep_t(struct dvb_frontend *fe);
@@ -135,14 +120,6 @@ int cxd2820r_set_frontend_t2(struct dvb_frontend *fe);
int cxd2820r_read_status_t2(struct dvb_frontend *fe, enum fe_status *status);
-int cxd2820r_read_ber_t2(struct dvb_frontend *fe, u32 *ber);
-
-int cxd2820r_read_signal_strength_t2(struct dvb_frontend *fe, u16 *strength);
-
-int cxd2820r_read_snr_t2(struct dvb_frontend *fe, u16 *snr);
-
-int cxd2820r_read_ucblocks_t2(struct dvb_frontend *fe, u32 *ucblocks);
-
int cxd2820r_init_t2(struct dvb_frontend *fe);
int cxd2820r_sleep_t2(struct dvb_frontend *fe);
diff --git a/drivers/media/dvb-frontends/cxd2820r_t.c b/drivers/media/dvb-frontends/cxd2820r_t.c
index d402ab68368b..ddd8e46511a9 100644
--- a/drivers/media/dvb-frontends/cxd2820r_t.c
+++ b/drivers/media/dvb-frontends/cxd2820r_t.c
@@ -254,100 +254,6 @@ error:
return ret;
}
-int cxd2820r_read_ber_t(struct dvb_frontend *fe, u32 *ber)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
- u8 buf[3], start_ber = 0;
- *ber = 0;
-
- if (priv->ber_running) {
- ret = cxd2820r_rd_regs(priv, 0x00076, buf, sizeof(buf));
- if (ret)
- goto error;
-
- if ((buf[2] >> 7) & 0x01 || (buf[2] >> 4) & 0x01) {
- *ber = (buf[2] & 0x0f) << 16 | buf[1] << 8 | buf[0];
- start_ber = 1;
- }
- } else {
- priv->ber_running = true;
- start_ber = 1;
- }
-
- if (start_ber) {
- /* (re)start BER */
- ret = cxd2820r_wr_reg(priv, 0x00079, 0x01);
- if (ret)
- goto error;
- }
-
- return ret;
-error:
- dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
- return ret;
-}
-
-int cxd2820r_read_signal_strength_t(struct dvb_frontend *fe,
- u16 *strength)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
- u8 buf[2];
- u16 tmp;
-
- ret = cxd2820r_rd_regs(priv, 0x00026, buf, sizeof(buf));
- if (ret)
- goto error;
-
- tmp = (buf[0] & 0x0f) << 8 | buf[1];
- tmp = ~tmp & 0x0fff;
-
- /* scale value to 0x0000-0xffff from 0x0000-0x0fff */
- *strength = tmp * 0xffff / 0x0fff;
-
- return ret;
-error:
- dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
- return ret;
-}
-
-int cxd2820r_read_snr_t(struct dvb_frontend *fe, u16 *snr)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
- u8 buf[2];
- u16 tmp;
- /* report SNR in dB * 10 */
-
- ret = cxd2820r_rd_regs(priv, 0x00028, buf, sizeof(buf));
- if (ret)
- goto error;
-
- tmp = (buf[0] & 0x1f) << 8 | buf[1];
- #define CXD2820R_LOG10_8_24 15151336 /* log10(8) << 24 */
- if (tmp)
- *snr = (intlog10(tmp) - CXD2820R_LOG10_8_24) / ((1 << 24)
- / 100);
- else
- *snr = 0;
-
- dev_dbg(&priv->i2c->dev, "%s: dBx10=%d val=%04x\n", __func__, *snr,
- tmp);
-
- return ret;
-error:
- dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
- return ret;
-}
-
-int cxd2820r_read_ucblocks_t(struct dvb_frontend *fe, u32 *ucblocks)
-{
- *ucblocks = 0;
- /* no way to read ? */
- return 0;
-}
-
int cxd2820r_read_status_t(struct dvb_frontend *fe, enum fe_status *status)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
diff --git a/drivers/media/dvb-frontends/cxd2820r_t2.c b/drivers/media/dvb-frontends/cxd2820r_t2.c
index e2875f2655bd..e09f1527ef0c 100644
--- a/drivers/media/dvb-frontends/cxd2820r_t2.c
+++ b/drivers/media/dvb-frontends/cxd2820r_t2.c
@@ -387,93 +387,6 @@ error:
return ret;
}
-int cxd2820r_read_ber_t2(struct dvb_frontend *fe, u32 *ber)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
- u8 buf[4];
- unsigned int errbits;
- *ber = 0;
- /* FIXME: correct calculation */
-
- ret = cxd2820r_rd_regs(priv, 0x02039, buf, sizeof(buf));
- if (ret)
- goto error;
-
- if ((buf[0] >> 4) & 0x01) {
- errbits = (buf[0] & 0x0f) << 24 | buf[1] << 16 |
- buf[2] << 8 | buf[3];
-
- if (errbits)
- *ber = errbits * 64 / 16588800;
- }
-
- return ret;
-error:
- dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
- return ret;
-}
-
-int cxd2820r_read_signal_strength_t2(struct dvb_frontend *fe,
- u16 *strength)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
- u8 buf[2];
- u16 tmp;
-
- ret = cxd2820r_rd_regs(priv, 0x02026, buf, sizeof(buf));
- if (ret)
- goto error;
-
- tmp = (buf[0] & 0x0f) << 8 | buf[1];
- tmp = ~tmp & 0x0fff;
-
- /* scale value to 0x0000-0xffff from 0x0000-0x0fff */
- *strength = tmp * 0xffff / 0x0fff;
-
- return ret;
-error:
- dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
- return ret;
-}
-
-int cxd2820r_read_snr_t2(struct dvb_frontend *fe, u16 *snr)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
- u8 buf[2];
- u16 tmp;
- /* report SNR in dB * 10 */
-
- ret = cxd2820r_rd_regs(priv, 0x02028, buf, sizeof(buf));
- if (ret)
- goto error;
-
- tmp = (buf[0] & 0x0f) << 8 | buf[1];
- #define CXD2820R_LOG10_8_24 15151336 /* log10(8) << 24 */
- if (tmp)
- *snr = (intlog10(tmp) - CXD2820R_LOG10_8_24) / ((1 << 24)
- / 100);
- else
- *snr = 0;
-
- dev_dbg(&priv->i2c->dev, "%s: dBx10=%d val=%04x\n", __func__, *snr,
- tmp);
-
- return ret;
-error:
- dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
- return ret;
-}
-
-int cxd2820r_read_ucblocks_t2(struct dvb_frontend *fe, u32 *ucblocks)
-{
- *ucblocks = 0;
- /* no way to read ? */
- return 0;
-}
-
int cxd2820r_sleep_t2(struct dvb_frontend *fe)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 02:11:34 +0000