From 4aa4fd86bca5769c9884838501454ef4c486936d Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Tue, 9 Aug 2016 14:58:21 -0300 Subject: [PATCH] [media] cxd2820r: wrap legacy DVBv3 statistics via DVBv5 statistics Return DVBv5 statistics via legacy DVBv3 API. Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb-frontends/cxd2820r_c.c | 108 -------------------- drivers/media/dvb-frontends/cxd2820r_core.c | 85 ++++----------- drivers/media/dvb-frontends/cxd2820r_priv.h | 25 +---- drivers/media/dvb-frontends/cxd2820r_t.c | 94 ----------------- drivers/media/dvb-frontends/cxd2820r_t2.c | 87 ---------------- 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; -- 2.30.2