media: af9013: dvbv5 ber and per
Implement dvbv5 ber and per. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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@ -47,6 +47,7 @@ struct af9013_state {
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unsigned long read_status_jiffies;
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unsigned long strength_jiffies;
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unsigned long cnr_jiffies;
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unsigned long ber_ucb_jiffies;
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bool first_tune;
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bool i2c_gate_state;
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unsigned int statistics_step:3;
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@ -754,7 +755,7 @@ static int af9013_read_status(struct dvb_frontend *fe, enum fe_status *status)
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struct dtv_frontend_properties *c = &fe->dtv_property_cache;
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int ret, stmp1;
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unsigned int utmp, utmp1, utmp2, utmp3, utmp4;
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u8 buf[3];
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u8 buf[7];
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dev_dbg(&client->dev, "\n");
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@ -947,6 +948,72 @@ static int af9013_read_status(struct dvb_frontend *fe, enum fe_status *status)
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break;
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}
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/* BER / PER */
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switch (state->fe_status & FE_HAS_SYNC) {
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case FE_HAS_SYNC:
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if (time_is_after_jiffies(state->ber_ucb_jiffies + msecs_to_jiffies(2000)))
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break;
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/* Check if ber / ucb is ready */
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ret = regmap_read(state->regmap, 0xd391, &utmp);
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if (ret)
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goto err;
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if (!((utmp >> 4) & 0x01)) {
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dev_dbg(&client->dev, "ber not ready\n");
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break;
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}
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/* Read value */
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ret = regmap_bulk_read(state->regmap, 0xd385, buf, 7);
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if (ret)
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goto err;
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utmp1 = buf[4] << 16 | buf[3] << 8 | buf[2] << 0;
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utmp2 = (buf[1] << 8 | buf[0] << 0) * 204 * 8;
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utmp3 = buf[6] << 8 | buf[5] << 0;
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utmp4 = buf[1] << 8 | buf[0] << 0;
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/* Use 10000 TS packets for measure */
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if (utmp4 != 10000) {
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buf[0] = (10000 >> 0) & 0xff;
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buf[1] = (10000 >> 8) & 0xff;
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ret = regmap_bulk_write(state->regmap, 0xd385, buf, 2);
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if (ret)
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goto err;
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}
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/* Reset ber / ucb counter */
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ret = regmap_update_bits(state->regmap, 0xd391, 0x20, 0x20);
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if (ret)
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goto err;
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dev_dbg(&client->dev, "post_bit_error %u, post_bit_count %u\n",
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utmp1, utmp2);
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dev_dbg(&client->dev, "block_error %u, block_count %u\n",
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utmp3, utmp4);
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state->ber_ucb_jiffies = jiffies;
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c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
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c->post_bit_error.stat[0].uvalue += utmp1;
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c->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
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c->post_bit_count.stat[0].uvalue += utmp2;
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c->block_error.stat[0].scale = FE_SCALE_COUNTER;
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c->block_error.stat[0].uvalue += utmp3;
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c->block_count.stat[0].scale = FE_SCALE_COUNTER;
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c->block_count.stat[0].uvalue += utmp4;
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break;
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default:
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c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
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c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
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c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
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c->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
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break;
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}
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return 0;
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err:
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dev_dbg(&client->dev, "failed %d\n", ret);
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@ -1670,6 +1737,10 @@ static int af9013_probe(struct i2c_client *client,
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c = &state->fe.dtv_property_cache;
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c->strength.len = 1;
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c->cnr.len = 1;
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c->post_bit_error.len = 1;
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c->post_bit_count.len = 1;
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c->block_error.len = 1;
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c->block_count.len = 1;
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dev_info(&client->dev, "Afatech AF9013 successfully attached\n");
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dev_info(&client->dev, "firmware version: %d.%d.%d.%d\n",
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