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* [PATCH 0/4] rt2800: more register programing tweaks
@ 2018-10-10 15:46 Stanislaw Gruszka
  2018-10-10 15:46 ` [PATCH 1/4] rt2800: enable TX_PIN_CFG_LNA_PE_ bits per band Stanislaw Gruszka
                   ` (4 more replies)
  0 siblings, 5 replies; 8+ messages in thread
From: Stanislaw Gruszka @ 2018-10-10 15:46 UTC (permalink / raw)
  To: linux-wireless
  Cc: Daniel Golle, Mathias Kresin, Felix Fietkau, Tomislav Požega

This is on top of previous post:
https://marc.info/?l=linux-wireless&m=153908617400582&w=2

Stanislaw Gruszka (4):
  rt2800: enable TX_PIN_CFG_LNA_PE_ bits per band
  rt2800: enable TX_PIN_CFG_RFRX_EN only for MT7620
  rt2800: remove unneeded RT6352 check
  rt2800: comment and simplify AGC init for RT6352

 drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 37 ++++++++++++++++----------
 1 file changed, 23 insertions(+), 14 deletions(-)

-- 
2.7.5


^ permalink raw reply	[flat|nested] 8+ messages in thread

* [PATCH 1/4] rt2800: enable TX_PIN_CFG_LNA_PE_ bits per band
  2018-10-10 15:46 [PATCH 0/4] rt2800: more register programing tweaks Stanislaw Gruszka
@ 2018-10-10 15:46 ` Stanislaw Gruszka
  2018-10-10 15:46 ` [PATCH 2/4] rt2800: enable TX_PIN_CFG_RFRX_EN only for MT7620 Stanislaw Gruszka
                   ` (3 subsequent siblings)
  4 siblings, 0 replies; 8+ messages in thread
From: Stanislaw Gruszka @ 2018-10-10 15:46 UTC (permalink / raw)
  To: linux-wireless
  Cc: Daniel Golle, Mathias Kresin, Felix Fietkau, Tomislav Požega

Do not enable TX_PIN_CFG_LNA_PE_A* bits for 2.4GHz band and
vice versa TX_PIN_CFG_LNA_PE_G* bits for 5GHz.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
---
 drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
index 170e7c87f7bc..44b94120053b 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -3891,18 +3891,24 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
 	switch (rt2x00dev->default_ant.rx_chain_num) {
 	case 3:
 		/* Turn on tertiary LNAs */
-		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A2_EN, 1);
-		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G2_EN, 1);
+		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A2_EN,
+				   rf->channel > 14);
+		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G2_EN,
+				   rf->channel <= 14);
 		/* fall-through */
 	case 2:
 		/* Turn on secondary LNAs */
-		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
-		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
+		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN,
+				   rf->channel > 14);
+		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN,
+				   rf->channel <= 14);
 		/* fall-through */
 	case 1:
 		/* Turn on primary LNAs */
-		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
-		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
+		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN,
+				   rf->channel > 14);
+		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN,
+				   rf->channel <= 14);
 		break;
 	}
 
-- 
2.7.5


^ permalink raw reply related	[flat|nested] 8+ messages in thread

* [PATCH 2/4] rt2800: enable TX_PIN_CFG_RFRX_EN only for MT7620
  2018-10-10 15:46 [PATCH 0/4] rt2800: more register programing tweaks Stanislaw Gruszka
  2018-10-10 15:46 ` [PATCH 1/4] rt2800: enable TX_PIN_CFG_LNA_PE_ bits per band Stanislaw Gruszka
@ 2018-10-10 15:46 ` Stanislaw Gruszka
  2018-10-10 15:46 ` [PATCH 3/4] rt2800: remove unneeded RT6352 check Stanislaw Gruszka
                   ` (2 subsequent siblings)
  4 siblings, 0 replies; 8+ messages in thread
From: Stanislaw Gruszka @ 2018-10-10 15:46 UTC (permalink / raw)
  To: linux-wireless
  Cc: Daniel Golle, Mathias Kresin, Felix Fietkau, Tomislav Požega

The TX_PIN_CFG_RFRX_EN bit was not set on other devices than MT7620,
restore old behavaviour since setting this bit maight not be
correct for older devices.

Fixes: 41977e86c984 ("rt2x00: add support for MT7620")
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
---
 drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
index 44b94120053b..acbd9d4a8a3a 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -3856,10 +3856,12 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
 	if (rt2x00_rt(rt2x00dev, RT3572))
 		rt2800_rfcsr_write(rt2x00dev, 8, 0);
 
-	if (rt2x00_rt(rt2x00dev, RT6352))
+	if (rt2x00_rt(rt2x00dev, RT6352)) {
 		tx_pin = rt2800_register_read(rt2x00dev, TX_PIN_CFG);
-	else
+		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFRX_EN, 1);
+	} else {
 		tx_pin = 0;
+	}
 
 	switch (rt2x00dev->default_ant.tx_chain_num) {
 	case 3:
@@ -3914,7 +3916,6 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
 
 	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
 	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
-	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFRX_EN, 1); /* mt7620 */
 
 	rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
 
-- 
2.7.5


^ permalink raw reply related	[flat|nested] 8+ messages in thread

* [PATCH 3/4] rt2800: remove unneeded RT6352 check
  2018-10-10 15:46 [PATCH 0/4] rt2800: more register programing tweaks Stanislaw Gruszka
  2018-10-10 15:46 ` [PATCH 1/4] rt2800: enable TX_PIN_CFG_LNA_PE_ bits per band Stanislaw Gruszka
  2018-10-10 15:46 ` [PATCH 2/4] rt2800: enable TX_PIN_CFG_RFRX_EN only for MT7620 Stanislaw Gruszka
@ 2018-10-10 15:46 ` Stanislaw Gruszka
  2018-10-10 15:46 ` [PATCH 4/4] rt2800: comment and simplify AGC init for RT6352 Stanislaw Gruszka
  2018-10-11 10:07 ` [PATCH 0/4] rt2800: more register programing tweaks Stanislaw Gruszka
  4 siblings, 0 replies; 8+ messages in thread
From: Stanislaw Gruszka @ 2018-10-10 15:46 UTC (permalink / raw)
  To: linux-wireless
  Cc: Daniel Golle, Mathias Kresin, Felix Fietkau, Tomislav Požega

Remove rt2x00_rt(rt2x00dev, RT6352)) check from
rt2800_config_channel_rf53xx() which is not called for RT6352 devices.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
---
 drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
index acbd9d4a8a3a..a2cdd3a5034a 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -3037,8 +3037,7 @@ static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev,
 			rt2800_rfcsr_write(rt2x00dev, 59,
 					   r59_nonbt_rev[idx]);
 		} else if (rt2x00_rt(rt2x00dev, RT5390) ||
-			   rt2x00_rt(rt2x00dev, RT5392) ||
-			   rt2x00_rt(rt2x00dev, RT6352)) {
+			   rt2x00_rt(rt2x00dev, RT5392)) {
 			static const char r59_non_bt[] = {0x8f, 0x8f,
 				0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8d,
 				0x8a, 0x88, 0x88, 0x87, 0x87, 0x86};
-- 
2.7.5


^ permalink raw reply related	[flat|nested] 8+ messages in thread

* [PATCH 4/4] rt2800: comment and simplify AGC init for RT6352
  2018-10-10 15:46 [PATCH 0/4] rt2800: more register programing tweaks Stanislaw Gruszka
                   ` (2 preceding siblings ...)
  2018-10-10 15:46 ` [PATCH 3/4] rt2800: remove unneeded RT6352 check Stanislaw Gruszka
@ 2018-10-10 15:46 ` Stanislaw Gruszka
  2018-10-10 20:09   ` Tom Psyborg
  2018-10-11 10:07 ` [PATCH 0/4] rt2800: more register programing tweaks Stanislaw Gruszka
  4 siblings, 1 reply; 8+ messages in thread
From: Stanislaw Gruszka @ 2018-10-10 15:46 UTC (permalink / raw)
  To: linux-wireless
  Cc: Daniel Golle, Mathias Kresin, Felix Fietkau, Tomislav Požega

We do not need separate lines for calculating register values.
Also add comment that value is different than in vendor driver.

Suggested-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
---
 drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
index a2cdd3a5034a..7b6effaa0740 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -3986,9 +3986,12 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
 		rt2800_bbp_write(rt2x00dev, 195, 141);
 		rt2800_bbp_write(rt2x00dev, 196, reg);
 
-		/* AGC init */
-		reg = rf->channel <= 14 ? 0x1c : 0x24;
-		reg += 2 * rt2x00dev->lna_gain;
+		/* AGC init.
+		 * Despite the vendor driver using different values here for
+		 * RT6362 chip, we use 0x1c for now. This may have to be changed
+		 * once TSSI got implemented.
+		 */
+		reg = (rf->channel <= 14 ? 0x1c : 0x24) + 2*rt2x00dev->lna_gain;
 		rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
 
 		rt2800_iq_calibrate(rt2x00dev, rf->channel);
-- 
2.7.5


^ permalink raw reply related	[flat|nested] 8+ messages in thread

* Re: [PATCH 4/4] rt2800: comment and simplify AGC init for RT6352
  2018-10-10 15:46 ` [PATCH 4/4] rt2800: comment and simplify AGC init for RT6352 Stanislaw Gruszka
@ 2018-10-10 20:09   ` Tom Psyborg
  2018-10-10 20:11     ` Daniel Golle
  0 siblings, 1 reply; 8+ messages in thread
From: Tom Psyborg @ 2018-10-10 20:09 UTC (permalink / raw)
  To: Stanislaw Gruszka
  Cc: linux-wireless, Daniel Golle, Mathias Kresin, Felix Fietkau

it's 6352 dude

On 10/10/2018, Stanislaw Gruszka <sgruszka@redhat.com> wrote:
> We do not need separate lines for calculating register values.
> Also add comment that value is different than in vendor driver.
>
> Suggested-by: Daniel Golle <daniel@makrotopia.org>
> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
> ---
>  drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 9 ++++++---
>  1 file changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
> b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
> index a2cdd3a5034a..7b6effaa0740 100644
> --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
> +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
> @@ -3986,9 +3986,12 @@ static void rt2800_config_channel(struct rt2x00_dev
> *rt2x00dev,
>  		rt2800_bbp_write(rt2x00dev, 195, 141);
>  		rt2800_bbp_write(rt2x00dev, 196, reg);
>
> -		/* AGC init */
> -		reg = rf->channel <= 14 ? 0x1c : 0x24;
> -		reg += 2 * rt2x00dev->lna_gain;
> +		/* AGC init.
> +		 * Despite the vendor driver using different values here for
> +		 * RT6362 chip, we use 0x1c for now. This may have to be changed
> +		 * once TSSI got implemented.
> +		 */
> +		reg = (rf->channel <= 14 ? 0x1c : 0x24) + 2*rt2x00dev->lna_gain;
>  		rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
>
>  		rt2800_iq_calibrate(rt2x00dev, rf->channel);
> --
> 2.7.5
>
>

^ permalink raw reply	[flat|nested] 8+ messages in thread

* Re: [PATCH 4/4] rt2800: comment and simplify AGC init for RT6352
  2018-10-10 20:09   ` Tom Psyborg
@ 2018-10-10 20:11     ` Daniel Golle
  0 siblings, 0 replies; 8+ messages in thread
From: Daniel Golle @ 2018-10-10 20:11 UTC (permalink / raw)
  To: Tom Psyborg
  Cc: Stanislaw Gruszka, linux-wireless, Mathias Kresin, Felix Fietkau

On Wed, Oct 10, 2018 at 10:09:14PM +0200, Tom Psyborg wrote:
> it's 6352 dude

true. thanks for the review!

> 
> On 10/10/2018, Stanislaw Gruszka <sgruszka@redhat.com> wrote:
> > We do not need separate lines for calculating register values.
> > Also add comment that value is different than in vendor driver.
> >
> > Suggested-by: Daniel Golle <daniel@makrotopia.org>
> > Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
> > ---
> >  drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 9 ++++++---
> >  1 file changed, 6 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
> > b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
> > index a2cdd3a5034a..7b6effaa0740 100644
> > --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
> > +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
> > @@ -3986,9 +3986,12 @@ static void rt2800_config_channel(struct rt2x00_dev
> > *rt2x00dev,
> >  		rt2800_bbp_write(rt2x00dev, 195, 141);
> >  		rt2800_bbp_write(rt2x00dev, 196, reg);
> >
> > -		/* AGC init */
> > -		reg = rf->channel <= 14 ? 0x1c : 0x24;
> > -		reg += 2 * rt2x00dev->lna_gain;
> > +		/* AGC init.
> > +		 * Despite the vendor driver using different values here for
> > +		 * RT6362 chip, we use 0x1c for now. This may have to be changed
> > +		 * once TSSI got implemented.
> > +		 */
> > +		reg = (rf->channel <= 14 ? 0x1c : 0x24) + 2*rt2x00dev->lna_gain;
> >  		rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
> >
> >  		rt2800_iq_calibrate(rt2x00dev, rf->channel);
> > --
> > 2.7.5
> >
> >

^ permalink raw reply	[flat|nested] 8+ messages in thread

* Re: [PATCH 0/4] rt2800: more register programing tweaks
  2018-10-10 15:46 [PATCH 0/4] rt2800: more register programing tweaks Stanislaw Gruszka
                   ` (3 preceding siblings ...)
  2018-10-10 15:46 ` [PATCH 4/4] rt2800: comment and simplify AGC init for RT6352 Stanislaw Gruszka
@ 2018-10-11 10:07 ` Stanislaw Gruszka
  4 siblings, 0 replies; 8+ messages in thread
From: Stanislaw Gruszka @ 2018-10-11 10:07 UTC (permalink / raw)
  To: linux-wireless, Kalle Valo
  Cc: Daniel Golle, Mathias Kresin, Felix Fietkau, Tomislav Požega

On Wed, Oct 10, 2018 at 05:46:16PM +0200, Stanislaw Gruszka wrote:
> This is on top of previous post:
> https://marc.info/?l=linux-wireless&m=153908617400582&w=2
> 
> Stanislaw Gruszka (4):
>   rt2800: enable TX_PIN_CFG_LNA_PE_ bits per band
>   rt2800: enable TX_PIN_CFG_RFRX_EN only for MT7620
>   rt2800: remove unneeded RT6352 check
>   rt2800: comment and simplify AGC init for RT6352
> 
>  drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 37 ++++++++++++++++----------
>  1 file changed, 23 insertions(+), 14 deletions(-)

and drop this one as well.

Thanks
Stanislaw

^ permalink raw reply	[flat|nested] 8+ messages in thread

end of thread, other threads:[~2018-10-11 10:07 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-10-10 15:46 [PATCH 0/4] rt2800: more register programing tweaks Stanislaw Gruszka
2018-10-10 15:46 ` [PATCH 1/4] rt2800: enable TX_PIN_CFG_LNA_PE_ bits per band Stanislaw Gruszka
2018-10-10 15:46 ` [PATCH 2/4] rt2800: enable TX_PIN_CFG_RFRX_EN only for MT7620 Stanislaw Gruszka
2018-10-10 15:46 ` [PATCH 3/4] rt2800: remove unneeded RT6352 check Stanislaw Gruszka
2018-10-10 15:46 ` [PATCH 4/4] rt2800: comment and simplify AGC init for RT6352 Stanislaw Gruszka
2018-10-10 20:09   ` Tom Psyborg
2018-10-10 20:11     ` Daniel Golle
2018-10-11 10:07 ` [PATCH 0/4] rt2800: more register programing tweaks Stanislaw Gruszka

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