diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/dvb-frontends/m88ds3103.c | 165 | ||||
| -rw-r--r-- | drivers/media/dvb-frontends/m88ds3103_priv.h | 4 |
2 files changed, 94 insertions, 75 deletions
diff --git a/drivers/media/dvb-frontends/m88ds3103.c b/drivers/media/dvb-frontends/m88ds3103.c index 381a8ad173b5..33d8c190661e 100644 --- a/drivers/media/dvb-frontends/m88ds3103.c +++ b/drivers/media/dvb-frontends/m88ds3103.c @@ -305,6 +305,92 @@ static int m88ds3103_read_status(struct dvb_frontend *fe, fe_status_t *status) c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; } + /* BER */ + if (priv->fe_status & FE_HAS_LOCK) { + unsigned int utmp, post_bit_error, post_bit_count; + + switch (c->delivery_system) { + case SYS_DVBS: + ret = m88ds3103_wr_reg(priv, 0xf9, 0x04); + if (ret) + goto err; + + ret = m88ds3103_rd_reg(priv, 0xf8, &u8tmp); + if (ret) + goto err; + + /* measurement ready? */ + if (!(u8tmp & 0x10)) { + ret = m88ds3103_rd_regs(priv, 0xf6, buf, 2); + if (ret) + goto err; + + post_bit_error = buf[1] << 8 | buf[0] << 0; + post_bit_count = 0x800000; + priv->post_bit_error += post_bit_error; + priv->post_bit_count += post_bit_count; + priv->dvbv3_ber = post_bit_error; + + /* restart measurement */ + u8tmp |= 0x10; + ret = m88ds3103_wr_reg(priv, 0xf8, u8tmp); + if (ret) + goto err; + } + break; + case SYS_DVBS2: + ret = m88ds3103_rd_regs(priv, 0xd5, buf, 3); + if (ret) + goto err; + + utmp = buf[2] << 16 | buf[1] << 8 | buf[0] << 0; + + /* enough data? */ + if (utmp > 4000) { + ret = m88ds3103_rd_regs(priv, 0xf7, buf, 2); + if (ret) + goto err; + + post_bit_error = buf[1] << 8 | buf[0] << 0; + post_bit_count = 32 * utmp; /* TODO: FEC */ + priv->post_bit_error += post_bit_error; + priv->post_bit_count += post_bit_count; + priv->dvbv3_ber = post_bit_error; + + /* restart measurement */ + ret = m88ds3103_wr_reg(priv, 0xd1, 0x01); + if (ret) + goto err; + + ret = m88ds3103_wr_reg(priv, 0xf9, 0x01); + if (ret) + goto err; + + ret = m88ds3103_wr_reg(priv, 0xf9, 0x00); + if (ret) + goto err; + + ret = m88ds3103_wr_reg(priv, 0xd1, 0x00); + if (ret) + goto err; + } + break; + default: + dev_dbg(&priv->i2c->dev, + "%s: invalid delivery_system\n", __func__); + ret = -EINVAL; + goto err; + } + + c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER; + c->post_bit_error.stat[0].uvalue = priv->post_bit_error; + c->post_bit_count.stat[0].scale = FE_SCALE_COUNTER; + c->post_bit_count.stat[0].uvalue = priv->post_bit_count; + } else { + c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + } + return 0; err: dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); @@ -760,6 +846,10 @@ skip_fw_download: /* init stats here in order signal app which stats are supported */ c->cnr.len = 1; c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + c->post_bit_error.len = 1; + c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + c->post_bit_count.len = 1; + c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; return 0; error_fw_release: @@ -997,83 +1087,10 @@ static int m88ds3103_read_snr(struct dvb_frontend *fe, u16 *snr) static int m88ds3103_read_ber(struct dvb_frontend *fe, u32 *ber) { struct m88ds3103_priv *priv = fe->demodulator_priv; - struct dtv_frontend_properties *c = &fe->dtv_property_cache; - int ret; - unsigned int utmp; - u8 buf[3], u8tmp; - dev_dbg(&priv->i2c->dev, "%s:\n", __func__); - - switch (c->delivery_system) { - case SYS_DVBS: - ret = m88ds3103_wr_reg(priv, 0xf9, 0x04); - if (ret) - goto err; - - ret = m88ds3103_rd_reg(priv, 0xf8, &u8tmp); - if (ret) - goto err; - - if (!(u8tmp & 0x10)) { - u8tmp |= 0x10; - - ret = m88ds3103_rd_regs(priv, 0xf6, buf, 2); - if (ret) - goto err; - - priv->ber = (buf[1] << 8) | (buf[0] << 0); - - /* restart counters */ - ret = m88ds3103_wr_reg(priv, 0xf8, u8tmp); - if (ret) - goto err; - } - break; - case SYS_DVBS2: - ret = m88ds3103_rd_regs(priv, 0xd5, buf, 3); - if (ret) - goto err; - - utmp = (buf[2] << 16) | (buf[1] << 8) | (buf[0] << 0); - - if (utmp > 3000) { - ret = m88ds3103_rd_regs(priv, 0xf7, buf, 2); - if (ret) - goto err; - - priv->ber = (buf[1] << 8) | (buf[0] << 0); - - /* restart counters */ - ret = m88ds3103_wr_reg(priv, 0xd1, 0x01); - if (ret) - goto err; - - ret = m88ds3103_wr_reg(priv, 0xf9, 0x01); - if (ret) - goto err; - - ret = m88ds3103_wr_reg(priv, 0xf9, 0x00); - if (ret) - goto err; - - ret = m88ds3103_wr_reg(priv, 0xd1, 0x00); - if (ret) - goto err; - } - break; - default: - dev_dbg(&priv->i2c->dev, "%s: invalid delivery_system\n", - __func__); - ret = -EINVAL; - goto err; - } - - *ber = priv->ber; + *ber = priv->dvbv3_ber; return 0; -err: - dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); - return ret; } static int m88ds3103_set_tone(struct dvb_frontend *fe, diff --git a/drivers/media/dvb-frontends/m88ds3103_priv.h b/drivers/media/dvb-frontends/m88ds3103_priv.h index a2c0958111f8..78e58e3c8c24 100644 --- a/drivers/media/dvb-frontends/m88ds3103_priv.h +++ b/drivers/media/dvb-frontends/m88ds3103_priv.h @@ -38,13 +38,15 @@ struct m88ds3103_priv { struct dvb_frontend fe; fe_delivery_system_t delivery_system; fe_status_t fe_status; - u32 ber; + u32 dvbv3_ber; /* for old DVBv3 API read_ber */ bool warm; /* FW running */ struct i2c_adapter *i2c_adapter; /* auto detect chip id to do different config */ u8 chip_id; /* main mclk is calculated for M88RS6000 dynamically */ u32 mclk_khz; + u64 post_bit_error; + u64 post_bit_count; }; struct m88ds3103_reg_val { |