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authorMauro Carvalho Chehab <mchehab@s-opensource.com>2018-03-09 16:53:33 +0100
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2018-05-04 17:10:57 +0200
commit53d41728f2a81212d17bbc2ee932a7ce33c72965 (patch)
tree5f82ce2a92eb153f22c0f2e8db55f826d61c22f2 /drivers/media/dvb-frontends
parentmedia: lgdt330x: constify several register init arrays (diff)
downloadlinux-53d41728f2a81212d17bbc2ee932a7ce33c72965.tar.xz
linux-53d41728f2a81212d17bbc2ee932a7ce33c72965.zip
media: lgdt330x: move *read_status functions
In preparation to implement DVBv5 stats on this driver, move the *read_status functions to happen after SNR and signal strength routines. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/dvb-frontends')
-rw-r--r--drivers/media/dvb-frontends/lgdt330x.c255
1 files changed, 128 insertions, 127 deletions
diff --git a/drivers/media/dvb-frontends/lgdt330x.c b/drivers/media/dvb-frontends/lgdt330x.c
index c7355282bb3e..bb61b4fb1df1 100644
--- a/drivers/media/dvb-frontends/lgdt330x.c
+++ b/drivers/media/dvb-frontends/lgdt330x.c
@@ -472,133 +472,6 @@ static int lgdt330x_get_frontend(struct dvb_frontend *fe,
return 0;
}
-static int lgdt3302_read_status(struct dvb_frontend *fe,
- enum fe_status *status)
-{
- struct lgdt330x_state *state = fe->demodulator_priv;
- u8 buf[3];
-
- *status = 0; /* Reset status result */
-
- /* AGC status register */
- i2c_read_demod_bytes(state, AGC_STATUS, buf, 1);
- dprintk(state, "AGC_STATUS = 0x%02x\n", buf[0]);
- if ((buf[0] & 0x0c) == 0x8) {
- /*
- * Test signal does not exist flag
- * as well as the AGC lock flag.
- */
- *status |= FE_HAS_SIGNAL;
- }
-
- /*
- * You must set the Mask bits to 1 in the IRQ_MASK in order
- * to see that status bit in the IRQ_STATUS register.
- * This is done in SwReset();
- */
-
- /* signal status */
- i2c_read_demod_bytes(state, TOP_CONTROL, buf, sizeof(buf));
- dprintk(state,
- "TOP_CONTROL = 0x%02x, IRO_MASK = 0x%02x, IRQ_STATUS = 0x%02x\n",
- buf[0], buf[1], buf[2]);
-
- /* sync status */
- if ((buf[2] & 0x03) == 0x01)
- *status |= FE_HAS_SYNC;
-
- /* FEC error status */
- if ((buf[2] & 0x0c) == 0x08)
- *status |= FE_HAS_LOCK | FE_HAS_VITERBI;
-
- /* Carrier Recovery Lock Status Register */
- i2c_read_demod_bytes(state, CARRIER_LOCK, buf, 1);
- dprintk(state, "CARRIER_LOCK = 0x%02x\n", buf[0]);
- switch (state->current_modulation) {
- case QAM_256:
- case QAM_64:
- /* Need to understand why there are 3 lock levels here */
- if ((buf[0] & 0x07) == 0x07)
- *status |= FE_HAS_CARRIER;
- break;
- case VSB_8:
- if ((buf[0] & 0x80) == 0x80)
- *status |= FE_HAS_CARRIER;
- break;
- default:
- dev_warn(&state->client->dev,
- "%s: Modulation set to unsupported value\n",
- __func__);
- }
-
- return 0;
-}
-
-static int lgdt3303_read_status(struct dvb_frontend *fe,
- enum fe_status *status)
-{
- struct lgdt330x_state *state = fe->demodulator_priv;
- int err;
- u8 buf[3];
-
- *status = 0; /* Reset status result */
-
- /* lgdt3303 AGC status register */
- err = i2c_read_demod_bytes(state, 0x58, buf, 1);
- if (err < 0)
- return err;
-
- dprintk(state, "AGC_STATUS = 0x%02x\n", buf[0]);
- if ((buf[0] & 0x21) == 0x01) {
- /*
- * Test input signal does not exist flag
- * as well as the AGC lock flag.
- */
- *status |= FE_HAS_SIGNAL;
- }
-
- /* Carrier Recovery Lock Status Register */
- i2c_read_demod_bytes(state, CARRIER_LOCK, buf, 1);
- dprintk(state, "CARRIER_LOCK = 0x%02x\n", buf[0]);
- switch (state->current_modulation) {
- case QAM_256:
- case QAM_64:
- /* Need to understand why there are 3 lock levels here */
- if ((buf[0] & 0x07) == 0x07)
- *status |= FE_HAS_CARRIER;
- else
- break;
- i2c_read_demod_bytes(state, 0x8a, buf, 1);
- dprintk(state, "QAM LOCK = 0x%02x\n", buf[0]);
-
- if ((buf[0] & 0x04) == 0x04)
- *status |= FE_HAS_SYNC;
- if ((buf[0] & 0x01) == 0x01)
- *status |= FE_HAS_LOCK;
- if ((buf[0] & 0x08) == 0x08)
- *status |= FE_HAS_VITERBI;
- break;
- case VSB_8:
- if ((buf[0] & 0x80) == 0x80)
- *status |= FE_HAS_CARRIER;
- else
- break;
- i2c_read_demod_bytes(state, 0x38, buf, 1);
- dprintk(state, "8-VSB LOCK = 0x%02x\n", buf[0]);
-
- if ((buf[0] & 0x02) == 0x00)
- *status |= FE_HAS_SYNC;
- if ((buf[0] & 0xfd) == 0x01)
- *status |= FE_HAS_VITERBI | FE_HAS_LOCK;
- break;
- default:
- dev_warn(&state->client->dev,
- "%s: Modulation set to unsupported value\n",
- __func__);
- }
- return 0;
-}
-
/*
* Calculate SNR estimation (scaled by 2^24)
*
@@ -754,6 +627,134 @@ static int lgdt330x_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
return 0;
}
+
+static int lgdt3302_read_status(struct dvb_frontend *fe,
+ enum fe_status *status)
+{
+ struct lgdt330x_state *state = fe->demodulator_priv;
+ u8 buf[3];
+
+ *status = 0; /* Reset status result */
+
+ /* AGC status register */
+ i2c_read_demod_bytes(state, AGC_STATUS, buf, 1);
+ dprintk(state, "AGC_STATUS = 0x%02x\n", buf[0]);
+ if ((buf[0] & 0x0c) == 0x8) {
+ /*
+ * Test signal does not exist flag
+ * as well as the AGC lock flag.
+ */
+ *status |= FE_HAS_SIGNAL;
+ }
+
+ /*
+ * You must set the Mask bits to 1 in the IRQ_MASK in order
+ * to see that status bit in the IRQ_STATUS register.
+ * This is done in SwReset();
+ */
+
+ /* signal status */
+ i2c_read_demod_bytes(state, TOP_CONTROL, buf, sizeof(buf));
+ dprintk(state,
+ "TOP_CONTROL = 0x%02x, IRO_MASK = 0x%02x, IRQ_STATUS = 0x%02x\n",
+ buf[0], buf[1], buf[2]);
+
+ /* sync status */
+ if ((buf[2] & 0x03) == 0x01)
+ *status |= FE_HAS_SYNC;
+
+ /* FEC error status */
+ if ((buf[2] & 0x0c) == 0x08)
+ *status |= FE_HAS_LOCK | FE_HAS_VITERBI;
+
+ /* Carrier Recovery Lock Status Register */
+ i2c_read_demod_bytes(state, CARRIER_LOCK, buf, 1);
+ dprintk(state, "CARRIER_LOCK = 0x%02x\n", buf[0]);
+ switch (state->current_modulation) {
+ case QAM_256:
+ case QAM_64:
+ /* Need to understand why there are 3 lock levels here */
+ if ((buf[0] & 0x07) == 0x07)
+ *status |= FE_HAS_CARRIER;
+ break;
+ case VSB_8:
+ if ((buf[0] & 0x80) == 0x80)
+ *status |= FE_HAS_CARRIER;
+ break;
+ default:
+ dev_warn(&state->client->dev,
+ "%s: Modulation set to unsupported value\n",
+ __func__);
+ }
+
+ return 0;
+}
+
+static int lgdt3303_read_status(struct dvb_frontend *fe,
+ enum fe_status *status)
+{
+ struct lgdt330x_state *state = fe->demodulator_priv;
+ int err;
+ u8 buf[3];
+
+ *status = 0; /* Reset status result */
+
+ /* lgdt3303 AGC status register */
+ err = i2c_read_demod_bytes(state, 0x58, buf, 1);
+ if (err < 0)
+ return err;
+
+ dprintk(state, "AGC_STATUS = 0x%02x\n", buf[0]);
+ if ((buf[0] & 0x21) == 0x01) {
+ /*
+ * Test input signal does not exist flag
+ * as well as the AGC lock flag.
+ */
+ *status |= FE_HAS_SIGNAL;
+ }
+
+ /* Carrier Recovery Lock Status Register */
+ i2c_read_demod_bytes(state, CARRIER_LOCK, buf, 1);
+ dprintk(state, "CARRIER_LOCK = 0x%02x\n", buf[0]);
+ switch (state->current_modulation) {
+ case QAM_256:
+ case QAM_64:
+ /* Need to understand why there are 3 lock levels here */
+ if ((buf[0] & 0x07) == 0x07)
+ *status |= FE_HAS_CARRIER;
+ else
+ break;
+ i2c_read_demod_bytes(state, 0x8a, buf, 1);
+ dprintk(state, "QAM LOCK = 0x%02x\n", buf[0]);
+
+ if ((buf[0] & 0x04) == 0x04)
+ *status |= FE_HAS_SYNC;
+ if ((buf[0] & 0x01) == 0x01)
+ *status |= FE_HAS_LOCK;
+ if ((buf[0] & 0x08) == 0x08)
+ *status |= FE_HAS_VITERBI;
+ break;
+ case VSB_8:
+ if ((buf[0] & 0x80) == 0x80)
+ *status |= FE_HAS_CARRIER;
+ else
+ break;
+ i2c_read_demod_bytes(state, 0x38, buf, 1);
+ dprintk(state, "8-VSB LOCK = 0x%02x\n", buf[0]);
+
+ if ((buf[0] & 0x02) == 0x00)
+ *status |= FE_HAS_SYNC;
+ if ((buf[0] & 0xfd) == 0x01)
+ *status |= FE_HAS_VITERBI | FE_HAS_LOCK;
+ break;
+ default:
+ dev_warn(&state->client->dev,
+ "%s: Modulation set to unsupported value\n",
+ __func__);
+ }
+ return 0;
+}
+
static int
lgdt330x_get_tune_settings(struct dvb_frontend *fe,
struct dvb_frontend_tune_settings *fe_tune_settings)