* Re: [PATCH 4/6] mt76: mt7921: introduce mt7921_wpdma_reinit_cond utility routine
[not found] <YHxi1+jRHIfAuKJa@lore-desk--annotate>
@ 2021-04-19 3:04 ` sean.wang
0 siblings, 0 replies; 6+ messages in thread
From: sean.wang @ 2021-04-19 3:04 UTC (permalink / raw)
To: nbd, lorenzo.bianconi
Cc: sean.wang, Soul.Huang, YN.Chen, Leon.Yen, Deren.Wu, km.lin,
robin.chiu, ch.yeh, posh.sun, Eric.Liang, Stella.Chang,
linux-wireless, linux-mediatek
From: Sean Wang <sean.wang@mediatek.com>
>> From: Sean Wang <sean.wang@mediatek.com>
>
>I guess here we should use my 'From' tag
That is my fault, I'll change it in the next version.
>
>Regards,
>Lorenzo
>
>>
>> Add mt7921_wpdma_reinit_cond to check dummy reg if driver needs to
>> reinitialized WPDMA after driver_own operation
>>
>> Co-developed-by: Leon Yen <leon.yen@mediatek.com>
>> Signed-off-by: Leon Yen <leon.yen@mediatek.com>
>> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
>> Signed-off-by: Sean Wang <sean.wang@mediatek.com>
>> ---
>> .../net/wireless/mediatek/mt76/mt76_connac.h | 4 +++
>> .../wireless/mediatek/mt76/mt7921/debugfs.c | 13 ++++++++++
>> .../net/wireless/mediatek/mt76/mt7921/dma.c | 25 +++++++++++++++++++
>> .../wireless/mediatek/mt76/mt7921/mt7921.h | 6 +++++
>> 4 files changed, 48 insertions(+)
>>
>> diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac.h
>> b/drivers/net/wireless/mediatek/mt76/mt76_connac.h
>> index b811f3c410a1..3b5bff80a462 100644
>> --- a/drivers/net/wireless/mediatek/mt76/mt76_connac.h
>> +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac.h
>> @@ -58,6 +58,10 @@ struct mt76_connac_pm {
>> struct delayed_work ps_work;
>> unsigned long last_activity;
>> unsigned long idle_timeout;
>> +
>> + struct {
>> + unsigned int lp_wake;
>> + } stats;
>> };
>>
>> struct mt76_connac_coredump {
>> diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
>> b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
>> index 5a54cd8d2ce4..bd2aca654767 100644
>> --- a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
>> +++ b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
>> @@ -256,6 +256,17 @@ mt7921_pm_get(void *data, u64 *val)
>>
>> DEFINE_DEBUGFS_ATTRIBUTE(fops_pm, mt7921_pm_get, mt7921_pm_set,
>> "%lld\n");
>>
>> +static int
>> +mt7921_pm_stats(struct seq_file *s, void *data) {
>> + struct mt7921_dev *dev = dev_get_drvdata(s->private);
>> + struct mt76_connac_pm *pm = &dev->pm;
>> +
>> + seq_printf(s, "low power wakes: %9d\n", pm->stats.lp_wake);
>> +
>> + return 0;
>> +}
>> +
>> static int
>> mt7921_pm_idle_timeout_set(void *data, u64 val) { @@ -322,6 +333,8
>> @@ int mt7921_init_debugfs(struct mt7921_dev *dev)
>> debugfs_create_file("idle-timeout", 0600, dir, dev,
>> &fops_pm_idle_timeout);
>> debugfs_create_file("chip_reset", 0600, dir, dev, &fops_reset);
>> + debugfs_create_devm_seqfile(dev->mt76.dev, "runtime_pm_stats", dir,
>> + mt7921_pm_stats);
>>
>> return 0;
>> }
>> diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
>> b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
>> index 8c556ff3ae93..72f5704f8f11 100644
>> --- a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
>> +++ b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
>> @@ -329,6 +329,31 @@ int mt7921_wpdma_reset(struct mt7921_dev *dev, bool force)
>> return 0;
>> }
>>
>
<snip>
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH 4/6] mt76: mt7921: introduce mt7921_wpdma_reinit_cond utility routine
@ 2021-04-19 3:04 ` sean.wang
0 siblings, 0 replies; 6+ messages in thread
From: sean.wang @ 2021-04-19 3:04 UTC (permalink / raw)
To: nbd, lorenzo.bianconi
Cc: sean.wang, Soul.Huang, YN.Chen, Leon.Yen, Deren.Wu, km.lin,
robin.chiu, ch.yeh, posh.sun, Eric.Liang, Stella.Chang,
linux-wireless, linux-mediatek
From: Sean Wang <sean.wang@mediatek.com>
>> From: Sean Wang <sean.wang@mediatek.com>
>
>I guess here we should use my 'From' tag
That is my fault, I'll change it in the next version.
>
>Regards,
>Lorenzo
>
>>
>> Add mt7921_wpdma_reinit_cond to check dummy reg if driver needs to
>> reinitialized WPDMA after driver_own operation
>>
>> Co-developed-by: Leon Yen <leon.yen@mediatek.com>
>> Signed-off-by: Leon Yen <leon.yen@mediatek.com>
>> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
>> Signed-off-by: Sean Wang <sean.wang@mediatek.com>
>> ---
>> .../net/wireless/mediatek/mt76/mt76_connac.h | 4 +++
>> .../wireless/mediatek/mt76/mt7921/debugfs.c | 13 ++++++++++
>> .../net/wireless/mediatek/mt76/mt7921/dma.c | 25 +++++++++++++++++++
>> .../wireless/mediatek/mt76/mt7921/mt7921.h | 6 +++++
>> 4 files changed, 48 insertions(+)
>>
>> diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac.h
>> b/drivers/net/wireless/mediatek/mt76/mt76_connac.h
>> index b811f3c410a1..3b5bff80a462 100644
>> --- a/drivers/net/wireless/mediatek/mt76/mt76_connac.h
>> +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac.h
>> @@ -58,6 +58,10 @@ struct mt76_connac_pm {
>> struct delayed_work ps_work;
>> unsigned long last_activity;
>> unsigned long idle_timeout;
>> +
>> + struct {
>> + unsigned int lp_wake;
>> + } stats;
>> };
>>
>> struct mt76_connac_coredump {
>> diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
>> b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
>> index 5a54cd8d2ce4..bd2aca654767 100644
>> --- a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
>> +++ b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
>> @@ -256,6 +256,17 @@ mt7921_pm_get(void *data, u64 *val)
>>
>> DEFINE_DEBUGFS_ATTRIBUTE(fops_pm, mt7921_pm_get, mt7921_pm_set,
>> "%lld\n");
>>
>> +static int
>> +mt7921_pm_stats(struct seq_file *s, void *data) {
>> + struct mt7921_dev *dev = dev_get_drvdata(s->private);
>> + struct mt76_connac_pm *pm = &dev->pm;
>> +
>> + seq_printf(s, "low power wakes: %9d\n", pm->stats.lp_wake);
>> +
>> + return 0;
>> +}
>> +
>> static int
>> mt7921_pm_idle_timeout_set(void *data, u64 val) { @@ -322,6 +333,8
>> @@ int mt7921_init_debugfs(struct mt7921_dev *dev)
>> debugfs_create_file("idle-timeout", 0600, dir, dev,
>> &fops_pm_idle_timeout);
>> debugfs_create_file("chip_reset", 0600, dir, dev, &fops_reset);
>> + debugfs_create_devm_seqfile(dev->mt76.dev, "runtime_pm_stats", dir,
>> + mt7921_pm_stats);
>>
>> return 0;
>> }
>> diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
>> b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
>> index 8c556ff3ae93..72f5704f8f11 100644
>> --- a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
>> +++ b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
>> @@ -329,6 +329,31 @@ int mt7921_wpdma_reset(struct mt7921_dev *dev, bool force)
>> return 0;
>> }
>>
>
<snip>
_______________________________________________
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Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH 4/6] mt76: mt7921: introduce mt7921_wpdma_reinit_cond utility routine
2021-04-18 16:36 ` sean.wang
@ 2021-04-18 16:48 ` Lorenzo Bianconi
-1 siblings, 0 replies; 6+ messages in thread
From: Lorenzo Bianconi @ 2021-04-18 16:48 UTC (permalink / raw)
To: sean.wang
Cc: nbd, lorenzo.bianconi, Soul.Huang, YN.Chen, Leon.Yen, Deren.Wu,
km.lin, robin.chiu, ch.yeh, posh.sun, Eric.Liang, Stella.Chang,
linux-wireless, linux-mediatek
[-- Attachment #1: Type: text/plain, Size: 4942 bytes --]
> From: Sean Wang <sean.wang@mediatek.com>
I guess here we should use my 'From' tag
Regards,
Lorenzo
>
> Add mt7921_wpdma_reinit_cond to check dummy reg if driver needs to
> reinitialized WPDMA after driver_own operation
>
> Co-developed-by: Leon Yen <leon.yen@mediatek.com>
> Signed-off-by: Leon Yen <leon.yen@mediatek.com>
> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
> Signed-off-by: Sean Wang <sean.wang@mediatek.com>
> ---
> .../net/wireless/mediatek/mt76/mt76_connac.h | 4 +++
> .../wireless/mediatek/mt76/mt7921/debugfs.c | 13 ++++++++++
> .../net/wireless/mediatek/mt76/mt7921/dma.c | 25 +++++++++++++++++++
> .../wireless/mediatek/mt76/mt7921/mt7921.h | 6 +++++
> 4 files changed, 48 insertions(+)
>
> diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac.h b/drivers/net/wireless/mediatek/mt76/mt76_connac.h
> index b811f3c410a1..3b5bff80a462 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt76_connac.h
> +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac.h
> @@ -58,6 +58,10 @@ struct mt76_connac_pm {
> struct delayed_work ps_work;
> unsigned long last_activity;
> unsigned long idle_timeout;
> +
> + struct {
> + unsigned int lp_wake;
> + } stats;
> };
>
> struct mt76_connac_coredump {
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
> index 5a54cd8d2ce4..bd2aca654767 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
> @@ -256,6 +256,17 @@ mt7921_pm_get(void *data, u64 *val)
>
> DEFINE_DEBUGFS_ATTRIBUTE(fops_pm, mt7921_pm_get, mt7921_pm_set, "%lld\n");
>
> +static int
> +mt7921_pm_stats(struct seq_file *s, void *data)
> +{
> + struct mt7921_dev *dev = dev_get_drvdata(s->private);
> + struct mt76_connac_pm *pm = &dev->pm;
> +
> + seq_printf(s, "low power wakes: %9d\n", pm->stats.lp_wake);
> +
> + return 0;
> +}
> +
> static int
> mt7921_pm_idle_timeout_set(void *data, u64 val)
> {
> @@ -322,6 +333,8 @@ int mt7921_init_debugfs(struct mt7921_dev *dev)
> debugfs_create_file("idle-timeout", 0600, dir, dev,
> &fops_pm_idle_timeout);
> debugfs_create_file("chip_reset", 0600, dir, dev, &fops_reset);
> + debugfs_create_devm_seqfile(dev->mt76.dev, "runtime_pm_stats", dir,
> + mt7921_pm_stats);
>
> return 0;
> }
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
> index 8c556ff3ae93..72f5704f8f11 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
> @@ -329,6 +329,31 @@ int mt7921_wpdma_reset(struct mt7921_dev *dev, bool force)
> return 0;
> }
>
> +int mt7921_wpdma_reinit_cond(struct mt7921_dev *dev)
> +{
> + struct mt76_connac_pm *pm = &dev->pm;
> + int err;
> +
> + /* check if the wpdma must be reinitialized */
> + if (mt7921_dma_need_reinit(dev)) {
> + /* disable interrutpts */
> + mt76_wr(dev, MT_WFDMA0_HOST_INT_ENA, 0);
> + mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0x0);
> +
> + err = mt7921_wpdma_reset(dev, false);
> + if (err) {
> + dev_err(dev->mt76.dev, "wpdma reset failed\n");
> + return err;
> + }
> +
> + /* enable interrutpts */
> + mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff);
> + pm->stats.lp_wake++;
> + }
> +
> + return 0;
> +}
> +
> int mt7921_dma_init(struct mt7921_dev *dev)
> {
> /* Increase buffer size to receive large VHT/HE MPDUs */
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
> index 06a85d2d1c6f..bb4961d3969a 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
> +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
> @@ -254,6 +254,7 @@ int mt7921_eeprom_get_target_power(struct mt7921_dev *dev,
> void mt7921_eeprom_init_sku(struct mt7921_dev *dev);
> int mt7921_dma_init(struct mt7921_dev *dev);
> int mt7921_wpdma_reset(struct mt7921_dev *dev, bool force);
> +int mt7921_wpdma_reinit_cond(struct mt7921_dev *dev);
> void mt7921_dma_cleanup(struct mt7921_dev *dev);
> int mt7921_run_firmware(struct mt7921_dev *dev);
> int mt7921_mcu_init(struct mt7921_dev *dev);
> @@ -317,6 +318,11 @@ mt7921_l1_rmw(struct mt7921_dev *dev, u32 addr, u32 mask, u32 val)
> #define mt7921_l1_set(dev, addr, val) mt7921_l1_rmw(dev, addr, 0, val)
> #define mt7921_l1_clear(dev, addr, val) mt7921_l1_rmw(dev, addr, val, 0)
>
> +static inline bool mt7921_dma_need_reinit(struct mt7921_dev *dev)
> +{
> + return !mt76_get_field(dev, MT_WFDMA_DUMMY_CR, MT_WFDMA_NEED_REINIT);
> +}
> +
> void mt7921_mac_init(struct mt7921_dev *dev);
> bool mt7921_mac_wtbl_update(struct mt7921_dev *dev, int idx, u32 mask);
> void mt7921_mac_reset_counters(struct mt7921_phy *phy);
> --
> 2.25.1
>
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH 4/6] mt76: mt7921: introduce mt7921_wpdma_reinit_cond utility routine
@ 2021-04-18 16:48 ` Lorenzo Bianconi
0 siblings, 0 replies; 6+ messages in thread
From: Lorenzo Bianconi @ 2021-04-18 16:48 UTC (permalink / raw)
To: sean.wang
Cc: nbd, lorenzo.bianconi, Soul.Huang, YN.Chen, Leon.Yen, Deren.Wu,
km.lin, robin.chiu, ch.yeh, posh.sun, Eric.Liang, Stella.Chang,
linux-wireless, linux-mediatek
[-- Attachment #1.1: Type: text/plain, Size: 4942 bytes --]
> From: Sean Wang <sean.wang@mediatek.com>
I guess here we should use my 'From' tag
Regards,
Lorenzo
>
> Add mt7921_wpdma_reinit_cond to check dummy reg if driver needs to
> reinitialized WPDMA after driver_own operation
>
> Co-developed-by: Leon Yen <leon.yen@mediatek.com>
> Signed-off-by: Leon Yen <leon.yen@mediatek.com>
> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
> Signed-off-by: Sean Wang <sean.wang@mediatek.com>
> ---
> .../net/wireless/mediatek/mt76/mt76_connac.h | 4 +++
> .../wireless/mediatek/mt76/mt7921/debugfs.c | 13 ++++++++++
> .../net/wireless/mediatek/mt76/mt7921/dma.c | 25 +++++++++++++++++++
> .../wireless/mediatek/mt76/mt7921/mt7921.h | 6 +++++
> 4 files changed, 48 insertions(+)
>
> diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac.h b/drivers/net/wireless/mediatek/mt76/mt76_connac.h
> index b811f3c410a1..3b5bff80a462 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt76_connac.h
> +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac.h
> @@ -58,6 +58,10 @@ struct mt76_connac_pm {
> struct delayed_work ps_work;
> unsigned long last_activity;
> unsigned long idle_timeout;
> +
> + struct {
> + unsigned int lp_wake;
> + } stats;
> };
>
> struct mt76_connac_coredump {
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
> index 5a54cd8d2ce4..bd2aca654767 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
> @@ -256,6 +256,17 @@ mt7921_pm_get(void *data, u64 *val)
>
> DEFINE_DEBUGFS_ATTRIBUTE(fops_pm, mt7921_pm_get, mt7921_pm_set, "%lld\n");
>
> +static int
> +mt7921_pm_stats(struct seq_file *s, void *data)
> +{
> + struct mt7921_dev *dev = dev_get_drvdata(s->private);
> + struct mt76_connac_pm *pm = &dev->pm;
> +
> + seq_printf(s, "low power wakes: %9d\n", pm->stats.lp_wake);
> +
> + return 0;
> +}
> +
> static int
> mt7921_pm_idle_timeout_set(void *data, u64 val)
> {
> @@ -322,6 +333,8 @@ int mt7921_init_debugfs(struct mt7921_dev *dev)
> debugfs_create_file("idle-timeout", 0600, dir, dev,
> &fops_pm_idle_timeout);
> debugfs_create_file("chip_reset", 0600, dir, dev, &fops_reset);
> + debugfs_create_devm_seqfile(dev->mt76.dev, "runtime_pm_stats", dir,
> + mt7921_pm_stats);
>
> return 0;
> }
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
> index 8c556ff3ae93..72f5704f8f11 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
> @@ -329,6 +329,31 @@ int mt7921_wpdma_reset(struct mt7921_dev *dev, bool force)
> return 0;
> }
>
> +int mt7921_wpdma_reinit_cond(struct mt7921_dev *dev)
> +{
> + struct mt76_connac_pm *pm = &dev->pm;
> + int err;
> +
> + /* check if the wpdma must be reinitialized */
> + if (mt7921_dma_need_reinit(dev)) {
> + /* disable interrutpts */
> + mt76_wr(dev, MT_WFDMA0_HOST_INT_ENA, 0);
> + mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0x0);
> +
> + err = mt7921_wpdma_reset(dev, false);
> + if (err) {
> + dev_err(dev->mt76.dev, "wpdma reset failed\n");
> + return err;
> + }
> +
> + /* enable interrutpts */
> + mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff);
> + pm->stats.lp_wake++;
> + }
> +
> + return 0;
> +}
> +
> int mt7921_dma_init(struct mt7921_dev *dev)
> {
> /* Increase buffer size to receive large VHT/HE MPDUs */
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
> index 06a85d2d1c6f..bb4961d3969a 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
> +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
> @@ -254,6 +254,7 @@ int mt7921_eeprom_get_target_power(struct mt7921_dev *dev,
> void mt7921_eeprom_init_sku(struct mt7921_dev *dev);
> int mt7921_dma_init(struct mt7921_dev *dev);
> int mt7921_wpdma_reset(struct mt7921_dev *dev, bool force);
> +int mt7921_wpdma_reinit_cond(struct mt7921_dev *dev);
> void mt7921_dma_cleanup(struct mt7921_dev *dev);
> int mt7921_run_firmware(struct mt7921_dev *dev);
> int mt7921_mcu_init(struct mt7921_dev *dev);
> @@ -317,6 +318,11 @@ mt7921_l1_rmw(struct mt7921_dev *dev, u32 addr, u32 mask, u32 val)
> #define mt7921_l1_set(dev, addr, val) mt7921_l1_rmw(dev, addr, 0, val)
> #define mt7921_l1_clear(dev, addr, val) mt7921_l1_rmw(dev, addr, val, 0)
>
> +static inline bool mt7921_dma_need_reinit(struct mt7921_dev *dev)
> +{
> + return !mt76_get_field(dev, MT_WFDMA_DUMMY_CR, MT_WFDMA_NEED_REINIT);
> +}
> +
> void mt7921_mac_init(struct mt7921_dev *dev);
> bool mt7921_mac_wtbl_update(struct mt7921_dev *dev, int idx, u32 mask);
> void mt7921_mac_reset_counters(struct mt7921_phy *phy);
> --
> 2.25.1
>
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_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek
^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH 4/6] mt76: mt7921: introduce mt7921_wpdma_reinit_cond utility routine
2021-04-18 16:36 [PATCH 0/6] enable deep sleep mode when mt7921e suspends sean.wang
@ 2021-04-18 16:36 ` sean.wang
0 siblings, 0 replies; 6+ messages in thread
From: sean.wang @ 2021-04-18 16:36 UTC (permalink / raw)
To: nbd, lorenzo.bianconi
Cc: sean.wang, Soul.Huang, YN.Chen, Leon.Yen, Deren.Wu, km.lin,
robin.chiu, ch.yeh, posh.sun, Eric.Liang, Stella.Chang,
linux-wireless, linux-mediatek, Leon Yen, Lorenzo Bianconi
From: Sean Wang <sean.wang@mediatek.com>
Add mt7921_wpdma_reinit_cond to check dummy reg if driver needs to
reinitialized WPDMA after driver_own operation
Co-developed-by: Leon Yen <leon.yen@mediatek.com>
Signed-off-by: Leon Yen <leon.yen@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
---
.../net/wireless/mediatek/mt76/mt76_connac.h | 4 +++
.../wireless/mediatek/mt76/mt7921/debugfs.c | 13 ++++++++++
.../net/wireless/mediatek/mt76/mt7921/dma.c | 25 +++++++++++++++++++
.../wireless/mediatek/mt76/mt7921/mt7921.h | 6 +++++
4 files changed, 48 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac.h b/drivers/net/wireless/mediatek/mt76/mt76_connac.h
index b811f3c410a1..3b5bff80a462 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac.h
@@ -58,6 +58,10 @@ struct mt76_connac_pm {
struct delayed_work ps_work;
unsigned long last_activity;
unsigned long idle_timeout;
+
+ struct {
+ unsigned int lp_wake;
+ } stats;
};
struct mt76_connac_coredump {
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
index 5a54cd8d2ce4..bd2aca654767 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
@@ -256,6 +256,17 @@ mt7921_pm_get(void *data, u64 *val)
DEFINE_DEBUGFS_ATTRIBUTE(fops_pm, mt7921_pm_get, mt7921_pm_set, "%lld\n");
+static int
+mt7921_pm_stats(struct seq_file *s, void *data)
+{
+ struct mt7921_dev *dev = dev_get_drvdata(s->private);
+ struct mt76_connac_pm *pm = &dev->pm;
+
+ seq_printf(s, "low power wakes: %9d\n", pm->stats.lp_wake);
+
+ return 0;
+}
+
static int
mt7921_pm_idle_timeout_set(void *data, u64 val)
{
@@ -322,6 +333,8 @@ int mt7921_init_debugfs(struct mt7921_dev *dev)
debugfs_create_file("idle-timeout", 0600, dir, dev,
&fops_pm_idle_timeout);
debugfs_create_file("chip_reset", 0600, dir, dev, &fops_reset);
+ debugfs_create_devm_seqfile(dev->mt76.dev, "runtime_pm_stats", dir,
+ mt7921_pm_stats);
return 0;
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
index 8c556ff3ae93..72f5704f8f11 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
@@ -329,6 +329,31 @@ int mt7921_wpdma_reset(struct mt7921_dev *dev, bool force)
return 0;
}
+int mt7921_wpdma_reinit_cond(struct mt7921_dev *dev)
+{
+ struct mt76_connac_pm *pm = &dev->pm;
+ int err;
+
+ /* check if the wpdma must be reinitialized */
+ if (mt7921_dma_need_reinit(dev)) {
+ /* disable interrutpts */
+ mt76_wr(dev, MT_WFDMA0_HOST_INT_ENA, 0);
+ mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0x0);
+
+ err = mt7921_wpdma_reset(dev, false);
+ if (err) {
+ dev_err(dev->mt76.dev, "wpdma reset failed\n");
+ return err;
+ }
+
+ /* enable interrutpts */
+ mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff);
+ pm->stats.lp_wake++;
+ }
+
+ return 0;
+}
+
int mt7921_dma_init(struct mt7921_dev *dev)
{
/* Increase buffer size to receive large VHT/HE MPDUs */
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
index 06a85d2d1c6f..bb4961d3969a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
@@ -254,6 +254,7 @@ int mt7921_eeprom_get_target_power(struct mt7921_dev *dev,
void mt7921_eeprom_init_sku(struct mt7921_dev *dev);
int mt7921_dma_init(struct mt7921_dev *dev);
int mt7921_wpdma_reset(struct mt7921_dev *dev, bool force);
+int mt7921_wpdma_reinit_cond(struct mt7921_dev *dev);
void mt7921_dma_cleanup(struct mt7921_dev *dev);
int mt7921_run_firmware(struct mt7921_dev *dev);
int mt7921_mcu_init(struct mt7921_dev *dev);
@@ -317,6 +318,11 @@ mt7921_l1_rmw(struct mt7921_dev *dev, u32 addr, u32 mask, u32 val)
#define mt7921_l1_set(dev, addr, val) mt7921_l1_rmw(dev, addr, 0, val)
#define mt7921_l1_clear(dev, addr, val) mt7921_l1_rmw(dev, addr, val, 0)
+static inline bool mt7921_dma_need_reinit(struct mt7921_dev *dev)
+{
+ return !mt76_get_field(dev, MT_WFDMA_DUMMY_CR, MT_WFDMA_NEED_REINIT);
+}
+
void mt7921_mac_init(struct mt7921_dev *dev);
bool mt7921_mac_wtbl_update(struct mt7921_dev *dev, int idx, u32 mask);
void mt7921_mac_reset_counters(struct mt7921_phy *phy);
--
2.25.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH 4/6] mt76: mt7921: introduce mt7921_wpdma_reinit_cond utility routine
@ 2021-04-18 16:36 ` sean.wang
0 siblings, 0 replies; 6+ messages in thread
From: sean.wang @ 2021-04-18 16:36 UTC (permalink / raw)
To: nbd, lorenzo.bianconi
Cc: sean.wang, Soul.Huang, YN.Chen, Leon.Yen, Deren.Wu, km.lin,
robin.chiu, ch.yeh, posh.sun, Eric.Liang, Stella.Chang,
linux-wireless, linux-mediatek, Leon Yen, Lorenzo Bianconi
From: Sean Wang <sean.wang@mediatek.com>
Add mt7921_wpdma_reinit_cond to check dummy reg if driver needs to
reinitialized WPDMA after driver_own operation
Co-developed-by: Leon Yen <leon.yen@mediatek.com>
Signed-off-by: Leon Yen <leon.yen@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
---
.../net/wireless/mediatek/mt76/mt76_connac.h | 4 +++
.../wireless/mediatek/mt76/mt7921/debugfs.c | 13 ++++++++++
.../net/wireless/mediatek/mt76/mt7921/dma.c | 25 +++++++++++++++++++
.../wireless/mediatek/mt76/mt7921/mt7921.h | 6 +++++
4 files changed, 48 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac.h b/drivers/net/wireless/mediatek/mt76/mt76_connac.h
index b811f3c410a1..3b5bff80a462 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac.h
@@ -58,6 +58,10 @@ struct mt76_connac_pm {
struct delayed_work ps_work;
unsigned long last_activity;
unsigned long idle_timeout;
+
+ struct {
+ unsigned int lp_wake;
+ } stats;
};
struct mt76_connac_coredump {
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
index 5a54cd8d2ce4..bd2aca654767 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
@@ -256,6 +256,17 @@ mt7921_pm_get(void *data, u64 *val)
DEFINE_DEBUGFS_ATTRIBUTE(fops_pm, mt7921_pm_get, mt7921_pm_set, "%lld\n");
+static int
+mt7921_pm_stats(struct seq_file *s, void *data)
+{
+ struct mt7921_dev *dev = dev_get_drvdata(s->private);
+ struct mt76_connac_pm *pm = &dev->pm;
+
+ seq_printf(s, "low power wakes: %9d\n", pm->stats.lp_wake);
+
+ return 0;
+}
+
static int
mt7921_pm_idle_timeout_set(void *data, u64 val)
{
@@ -322,6 +333,8 @@ int mt7921_init_debugfs(struct mt7921_dev *dev)
debugfs_create_file("idle-timeout", 0600, dir, dev,
&fops_pm_idle_timeout);
debugfs_create_file("chip_reset", 0600, dir, dev, &fops_reset);
+ debugfs_create_devm_seqfile(dev->mt76.dev, "runtime_pm_stats", dir,
+ mt7921_pm_stats);
return 0;
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
index 8c556ff3ae93..72f5704f8f11 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
@@ -329,6 +329,31 @@ int mt7921_wpdma_reset(struct mt7921_dev *dev, bool force)
return 0;
}
+int mt7921_wpdma_reinit_cond(struct mt7921_dev *dev)
+{
+ struct mt76_connac_pm *pm = &dev->pm;
+ int err;
+
+ /* check if the wpdma must be reinitialized */
+ if (mt7921_dma_need_reinit(dev)) {
+ /* disable interrutpts */
+ mt76_wr(dev, MT_WFDMA0_HOST_INT_ENA, 0);
+ mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0x0);
+
+ err = mt7921_wpdma_reset(dev, false);
+ if (err) {
+ dev_err(dev->mt76.dev, "wpdma reset failed\n");
+ return err;
+ }
+
+ /* enable interrutpts */
+ mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff);
+ pm->stats.lp_wake++;
+ }
+
+ return 0;
+}
+
int mt7921_dma_init(struct mt7921_dev *dev)
{
/* Increase buffer size to receive large VHT/HE MPDUs */
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
index 06a85d2d1c6f..bb4961d3969a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
@@ -254,6 +254,7 @@ int mt7921_eeprom_get_target_power(struct mt7921_dev *dev,
void mt7921_eeprom_init_sku(struct mt7921_dev *dev);
int mt7921_dma_init(struct mt7921_dev *dev);
int mt7921_wpdma_reset(struct mt7921_dev *dev, bool force);
+int mt7921_wpdma_reinit_cond(struct mt7921_dev *dev);
void mt7921_dma_cleanup(struct mt7921_dev *dev);
int mt7921_run_firmware(struct mt7921_dev *dev);
int mt7921_mcu_init(struct mt7921_dev *dev);
@@ -317,6 +318,11 @@ mt7921_l1_rmw(struct mt7921_dev *dev, u32 addr, u32 mask, u32 val)
#define mt7921_l1_set(dev, addr, val) mt7921_l1_rmw(dev, addr, 0, val)
#define mt7921_l1_clear(dev, addr, val) mt7921_l1_rmw(dev, addr, val, 0)
+static inline bool mt7921_dma_need_reinit(struct mt7921_dev *dev)
+{
+ return !mt76_get_field(dev, MT_WFDMA_DUMMY_CR, MT_WFDMA_NEED_REINIT);
+}
+
void mt7921_mac_init(struct mt7921_dev *dev);
bool mt7921_mac_wtbl_update(struct mt7921_dev *dev, int idx, u32 mask);
void mt7921_mac_reset_counters(struct mt7921_phy *phy);
--
2.25.1
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^ permalink raw reply related [flat|nested] 6+ messages in thread
end of thread, other threads:[~2021-04-19 3:06 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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[not found] <YHxi1+jRHIfAuKJa@lore-desk--annotate>
2021-04-19 3:04 ` [PATCH 4/6] mt76: mt7921: introduce mt7921_wpdma_reinit_cond utility routine sean.wang
2021-04-19 3:04 ` sean.wang
2021-04-18 16:36 [PATCH 0/6] enable deep sleep mode when mt7921e suspends sean.wang
2021-04-18 16:36 ` [PATCH 4/6] mt76: mt7921: introduce mt7921_wpdma_reinit_cond utility routine sean.wang
2021-04-18 16:36 ` sean.wang
2021-04-18 16:48 ` Lorenzo Bianconi
2021-04-18 16:48 ` Lorenzo Bianconi
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