* [PATCH v5 1/9] mt76: usb: add req_type to ___mt76u_rr signature
2022-03-14 15:10 [PATCH v5 0/9] introduce mt7921u driver Lorenzo Bianconi
@ 2022-03-14 15:10 ` Lorenzo Bianconi
2022-03-14 15:10 ` [PATCH v5 2/9] mt76: usb: add req_type to ___mt76u_wr signature Lorenzo Bianconi
` (7 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: Lorenzo Bianconi @ 2022-03-14 15:10 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, lorenzo.bianconi, sean.wang, deren.wu,
linux-mediatek
This is a preliminary patch to add usb support to mt7921 driver.
Tested-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
drivers/net/wireless/mediatek/mt76/usb.c | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/usb.c b/drivers/net/wireless/mediatek/mt76/usb.c
index 0a7006c8959b..1b0435e0ea33 100644
--- a/drivers/net/wireless/mediatek/mt76/usb.c
+++ b/drivers/net/wireless/mediatek/mt76/usb.c
@@ -62,16 +62,15 @@ int mt76u_vendor_request(struct mt76_dev *dev, u8 req,
}
EXPORT_SYMBOL_GPL(mt76u_vendor_request);
-static u32 ___mt76u_rr(struct mt76_dev *dev, u8 req, u32 addr)
+static u32 ___mt76u_rr(struct mt76_dev *dev, u8 req, u8 req_type,
+ u32 addr)
{
struct mt76_usb *usb = &dev->usb;
u32 data = ~0;
int ret;
- ret = __mt76u_vendor_request(dev, req,
- USB_DIR_IN | USB_TYPE_VENDOR,
- addr >> 16, addr, usb->data,
- sizeof(__le32));
+ ret = __mt76u_vendor_request(dev, req, req_type, addr >> 16,
+ addr, usb->data, sizeof(__le32));
if (ret == sizeof(__le32))
data = get_unaligned_le32(usb->data);
trace_usb_reg_rr(dev, addr, data);
@@ -95,7 +94,8 @@ static u32 __mt76u_rr(struct mt76_dev *dev, u32 addr)
break;
}
- return ___mt76u_rr(dev, req, addr & ~MT_VEND_TYPE_MASK);
+ return ___mt76u_rr(dev, req, USB_DIR_IN | USB_TYPE_VENDOR,
+ addr & ~MT_VEND_TYPE_MASK);
}
static u32 mt76u_rr(struct mt76_dev *dev, u32 addr)
@@ -114,7 +114,8 @@ static u32 mt76u_rr_ext(struct mt76_dev *dev, u32 addr)
u32 ret;
mutex_lock(&dev->usb.usb_ctrl_mtx);
- ret = ___mt76u_rr(dev, MT_VEND_READ_EXT, addr);
+ ret = ___mt76u_rr(dev, MT_VEND_READ_EXT,
+ USB_DIR_IN | USB_TYPE_VENDOR, addr);
mutex_unlock(&dev->usb.usb_ctrl_mtx);
return ret;
@@ -177,7 +178,8 @@ static u32 mt76u_rmw_ext(struct mt76_dev *dev, u32 addr,
u32 mask, u32 val)
{
mutex_lock(&dev->usb.usb_ctrl_mtx);
- val |= ___mt76u_rr(dev, MT_VEND_READ_EXT, addr) & ~mask;
+ val |= ___mt76u_rr(dev, MT_VEND_READ_EXT,
+ USB_DIR_IN | USB_TYPE_VENDOR, addr) & ~mask;
___mt76u_wr(dev, MT_VEND_WRITE_EXT, addr, val);
mutex_unlock(&dev->usb.usb_ctrl_mtx);
--
2.35.1
^ permalink raw reply related [flat|nested] 10+ messages in thread* [PATCH v5 2/9] mt76: usb: add req_type to ___mt76u_wr signature
2022-03-14 15:10 [PATCH v5 0/9] introduce mt7921u driver Lorenzo Bianconi
2022-03-14 15:10 ` [PATCH v5 1/9] mt76: usb: add req_type to ___mt76u_rr signature Lorenzo Bianconi
@ 2022-03-14 15:10 ` Lorenzo Bianconi
2022-03-14 15:10 ` [PATCH v5 3/9] mt76: usb: introduce __mt76u_init utility routine Lorenzo Bianconi
` (6 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: Lorenzo Bianconi @ 2022-03-14 15:10 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, lorenzo.bianconi, sean.wang, deren.wu,
linux-mediatek
This is a preliminary patch to add usb support to mt7921 driver.
Tested-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
drivers/net/wireless/mediatek/mt76/usb.c | 17 +++++++++--------
1 file changed, 9 insertions(+), 8 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/usb.c b/drivers/net/wireless/mediatek/mt76/usb.c
index 1b0435e0ea33..4b7a816f1b93 100644
--- a/drivers/net/wireless/mediatek/mt76/usb.c
+++ b/drivers/net/wireless/mediatek/mt76/usb.c
@@ -121,16 +121,14 @@ static u32 mt76u_rr_ext(struct mt76_dev *dev, u32 addr)
return ret;
}
-static void ___mt76u_wr(struct mt76_dev *dev, u8 req,
+static void ___mt76u_wr(struct mt76_dev *dev, u8 req, u8 req_type,
u32 addr, u32 val)
{
struct mt76_usb *usb = &dev->usb;
put_unaligned_le32(val, usb->data);
- __mt76u_vendor_request(dev, req,
- USB_DIR_OUT | USB_TYPE_VENDOR,
- addr >> 16, addr, usb->data,
- sizeof(__le32));
+ __mt76u_vendor_request(dev, req, req_type, addr >> 16,
+ addr, usb->data, sizeof(__le32));
trace_usb_reg_wr(dev, addr, val);
}
@@ -146,7 +144,8 @@ static void __mt76u_wr(struct mt76_dev *dev, u32 addr, u32 val)
req = MT_VEND_MULTI_WRITE;
break;
}
- ___mt76u_wr(dev, req, addr & ~MT_VEND_TYPE_MASK, val);
+ ___mt76u_wr(dev, req, USB_DIR_OUT | USB_TYPE_VENDOR,
+ addr & ~MT_VEND_TYPE_MASK, val);
}
static void mt76u_wr(struct mt76_dev *dev, u32 addr, u32 val)
@@ -159,7 +158,8 @@ static void mt76u_wr(struct mt76_dev *dev, u32 addr, u32 val)
static void mt76u_wr_ext(struct mt76_dev *dev, u32 addr, u32 val)
{
mutex_lock(&dev->usb.usb_ctrl_mtx);
- ___mt76u_wr(dev, MT_VEND_WRITE_EXT, addr, val);
+ ___mt76u_wr(dev, MT_VEND_WRITE_EXT,
+ USB_DIR_OUT | USB_TYPE_VENDOR, addr, val);
mutex_unlock(&dev->usb.usb_ctrl_mtx);
}
@@ -180,7 +180,8 @@ static u32 mt76u_rmw_ext(struct mt76_dev *dev, u32 addr,
mutex_lock(&dev->usb.usb_ctrl_mtx);
val |= ___mt76u_rr(dev, MT_VEND_READ_EXT,
USB_DIR_IN | USB_TYPE_VENDOR, addr) & ~mask;
- ___mt76u_wr(dev, MT_VEND_WRITE_EXT, addr, val);
+ ___mt76u_wr(dev, MT_VEND_WRITE_EXT,
+ USB_DIR_OUT | USB_TYPE_VENDOR, addr, val);
mutex_unlock(&dev->usb.usb_ctrl_mtx);
return val;
--
2.35.1
^ permalink raw reply related [flat|nested] 10+ messages in thread* [PATCH v5 3/9] mt76: usb: introduce __mt76u_init utility routine
2022-03-14 15:10 [PATCH v5 0/9] introduce mt7921u driver Lorenzo Bianconi
2022-03-14 15:10 ` [PATCH v5 1/9] mt76: usb: add req_type to ___mt76u_rr signature Lorenzo Bianconi
2022-03-14 15:10 ` [PATCH v5 2/9] mt76: usb: add req_type to ___mt76u_wr signature Lorenzo Bianconi
@ 2022-03-14 15:10 ` Lorenzo Bianconi
2022-03-14 15:10 ` [PATCH v5 4/9] mt76: mt7921: disable runtime pm for usb Lorenzo Bianconi
` (5 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: Lorenzo Bianconi @ 2022-03-14 15:10 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, lorenzo.bianconi, sean.wang, deren.wu,
linux-mediatek
Introduce __mt76u_init unitility routine and move mt7615 usb bus ops
into mt7615 module in order to allow specifying driver specific
parameter.
This is a preliminary patch to add usb support to mt7921 driver.
Tested-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
drivers/net/wireless/mediatek/mt76/mt76.h | 12 +-
.../net/wireless/mediatek/mt76/mt7615/usb.c | 68 ++++++++++-
.../net/wireless/mediatek/mt76/mt76x0/usb.c | 2 +-
.../net/wireless/mediatek/mt76/mt76x2/usb.c | 2 +-
drivers/net/wireless/mediatek/mt76/usb.c | 112 +++++-------------
5 files changed, 110 insertions(+), 86 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index 81078be3bd07..882fb5d2517f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -1274,13 +1274,21 @@ mt76u_bulk_msg(struct mt76_dev *dev, void *data, int len, int *actual_len,
void mt76_ethtool_worker(struct mt76_ethtool_worker_info *wi,
struct mt76_sta_stats *stats);
int mt76_skb_adjust_pad(struct sk_buff *skb, int pad);
+int __mt76u_vendor_request(struct mt76_dev *dev, u8 req, u8 req_type,
+ u16 val, u16 offset, void *buf, size_t len);
int mt76u_vendor_request(struct mt76_dev *dev, u8 req,
u8 req_type, u16 val, u16 offset,
void *buf, size_t len);
void mt76u_single_wr(struct mt76_dev *dev, const u8 req,
const u16 offset, const u32 val);
-int mt76u_init(struct mt76_dev *dev, struct usb_interface *intf,
- bool ext);
+void mt76u_read_copy(struct mt76_dev *dev, u32 offset,
+ void *data, int len);
+u32 ___mt76u_rr(struct mt76_dev *dev, u8 req, u8 req_type, u32 addr);
+void ___mt76u_wr(struct mt76_dev *dev, u8 req, u8 req_type,
+ u32 addr, u32 val);
+int __mt76u_init(struct mt76_dev *dev, struct usb_interface *intf,
+ struct mt76_bus_ops *ops);
+int mt76u_init(struct mt76_dev *dev, struct usb_interface *intf);
int mt76u_alloc_mcu_queue(struct mt76_dev *dev);
int mt76u_alloc_queues(struct mt76_dev *dev);
void mt76u_stop_tx(struct mt76_dev *dev);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/usb.c b/drivers/net/wireless/mediatek/mt76/mt7615/usb.c
index aeeba7c72f14..967641aebf5f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/usb.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/usb.c
@@ -21,6 +21,64 @@ static const struct usb_device_id mt7615_device_table[] = {
{ },
};
+static u32 mt7663u_rr(struct mt76_dev *dev, u32 addr)
+{
+ u32 ret;
+
+ mutex_lock(&dev->usb.usb_ctrl_mtx);
+ ret = ___mt76u_rr(dev, MT_VEND_READ_EXT,
+ USB_DIR_IN | USB_TYPE_VENDOR, addr);
+ mutex_unlock(&dev->usb.usb_ctrl_mtx);
+
+ return ret;
+}
+
+static void mt7663u_wr(struct mt76_dev *dev, u32 addr, u32 val)
+{
+ mutex_lock(&dev->usb.usb_ctrl_mtx);
+ ___mt76u_wr(dev, MT_VEND_WRITE_EXT,
+ USB_DIR_OUT | USB_TYPE_VENDOR, addr, val);
+ mutex_unlock(&dev->usb.usb_ctrl_mtx);
+}
+
+static u32 mt7663u_rmw(struct mt76_dev *dev, u32 addr,
+ u32 mask, u32 val)
+{
+ mutex_lock(&dev->usb.usb_ctrl_mtx);
+ val |= ___mt76u_rr(dev, MT_VEND_READ_EXT,
+ USB_DIR_IN | USB_TYPE_VENDOR, addr) & ~mask;
+ ___mt76u_wr(dev, MT_VEND_WRITE_EXT,
+ USB_DIR_OUT | USB_TYPE_VENDOR, addr, val);
+ mutex_unlock(&dev->usb.usb_ctrl_mtx);
+
+ return val;
+}
+
+static void mt7663u_copy(struct mt76_dev *dev, u32 offset,
+ const void *data, int len)
+{
+ struct mt76_usb *usb = &dev->usb;
+ int ret, i = 0, batch_len;
+ const u8 *val = data;
+
+ len = round_up(len, 4);
+
+ mutex_lock(&usb->usb_ctrl_mtx);
+ while (i < len) {
+ batch_len = min_t(int, usb->data_len, len - i);
+ memcpy(usb->data, val + i, batch_len);
+ ret = __mt76u_vendor_request(dev, MT_VEND_WRITE_EXT,
+ USB_DIR_OUT | USB_TYPE_VENDOR,
+ (offset + i) >> 16, offset + i,
+ usb->data, batch_len);
+ if (ret < 0)
+ break;
+
+ i += batch_len;
+ }
+ mutex_unlock(&usb->usb_ctrl_mtx);
+}
+
static void mt7663u_stop(struct ieee80211_hw *hw)
{
struct mt7615_phy *phy = mt7615_hw_phy(hw);
@@ -66,6 +124,14 @@ static int mt7663u_probe(struct usb_interface *usb_intf,
.sta_remove = mt7615_mac_sta_remove,
.update_survey = mt7615_update_channel,
};
+ static struct mt76_bus_ops bus_ops = {
+ .rr = mt7663u_rr,
+ .wr = mt7663u_wr,
+ .rmw = mt7663u_rmw,
+ .read_copy = mt76u_read_copy,
+ .write_copy = mt7663u_copy,
+ .type = MT76_BUS_USB,
+ };
struct usb_device *udev = interface_to_usbdev(usb_intf);
struct ieee80211_ops *ops;
struct mt7615_dev *dev;
@@ -92,7 +158,7 @@ static int mt7663u_probe(struct usb_interface *usb_intf,
INIT_WORK(&dev->mcu_work, mt7663u_init_work);
dev->reg_map = mt7663_usb_sdio_reg_map;
dev->ops = ops;
- ret = mt76u_init(mdev, usb_intf, true);
+ ret = __mt76u_init(mdev, usb_intf, &bus_ops);
if (ret < 0)
goto error;
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c
index 436daf6d6d86..0422c332354a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c
@@ -245,7 +245,7 @@ static int mt76x0u_probe(struct usb_interface *usb_intf,
usb_set_intfdata(usb_intf, dev);
mt76x02u_init_mcu(mdev);
- ret = mt76u_init(mdev, usb_intf, false);
+ ret = mt76u_init(mdev, usb_intf);
if (ret)
goto err;
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c b/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c
index 2575369e44e2..55068f3252ef 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c
@@ -57,7 +57,7 @@ static int mt76x2u_probe(struct usb_interface *intf,
usb_set_intfdata(intf, dev);
mt76x02u_init_mcu(mdev);
- err = mt76u_init(mdev, intf, false);
+ err = mt76u_init(mdev, intf);
if (err < 0)
goto err;
diff --git a/drivers/net/wireless/mediatek/mt76/usb.c b/drivers/net/wireless/mediatek/mt76/usb.c
index 4b7a816f1b93..a85e192c9d59 100644
--- a/drivers/net/wireless/mediatek/mt76/usb.c
+++ b/drivers/net/wireless/mediatek/mt76/usb.c
@@ -15,9 +15,8 @@ static bool disable_usb_sg;
module_param_named(disable_usb_sg, disable_usb_sg, bool, 0644);
MODULE_PARM_DESC(disable_usb_sg, "Disable usb scatter-gather support");
-static int __mt76u_vendor_request(struct mt76_dev *dev, u8 req,
- u8 req_type, u16 val, u16 offset,
- void *buf, size_t len)
+int __mt76u_vendor_request(struct mt76_dev *dev, u8 req, u8 req_type,
+ u16 val, u16 offset, void *buf, size_t len)
{
struct usb_interface *uintf = to_usb_interface(dev->dev);
struct usb_device *udev = interface_to_usbdev(uintf);
@@ -45,6 +44,7 @@ static int __mt76u_vendor_request(struct mt76_dev *dev, u8 req,
req, offset, ret);
return ret;
}
+EXPORT_SYMBOL_GPL(__mt76u_vendor_request);
int mt76u_vendor_request(struct mt76_dev *dev, u8 req,
u8 req_type, u16 val, u16 offset,
@@ -62,8 +62,7 @@ int mt76u_vendor_request(struct mt76_dev *dev, u8 req,
}
EXPORT_SYMBOL_GPL(mt76u_vendor_request);
-static u32 ___mt76u_rr(struct mt76_dev *dev, u8 req, u8 req_type,
- u32 addr)
+u32 ___mt76u_rr(struct mt76_dev *dev, u8 req, u8 req_type, u32 addr)
{
struct mt76_usb *usb = &dev->usb;
u32 data = ~0;
@@ -77,6 +76,7 @@ static u32 ___mt76u_rr(struct mt76_dev *dev, u8 req, u8 req_type,
return data;
}
+EXPORT_SYMBOL_GPL(___mt76u_rr);
static u32 __mt76u_rr(struct mt76_dev *dev, u32 addr)
{
@@ -109,20 +109,8 @@ static u32 mt76u_rr(struct mt76_dev *dev, u32 addr)
return ret;
}
-static u32 mt76u_rr_ext(struct mt76_dev *dev, u32 addr)
-{
- u32 ret;
-
- mutex_lock(&dev->usb.usb_ctrl_mtx);
- ret = ___mt76u_rr(dev, MT_VEND_READ_EXT,
- USB_DIR_IN | USB_TYPE_VENDOR, addr);
- mutex_unlock(&dev->usb.usb_ctrl_mtx);
-
- return ret;
-}
-
-static void ___mt76u_wr(struct mt76_dev *dev, u8 req, u8 req_type,
- u32 addr, u32 val)
+void ___mt76u_wr(struct mt76_dev *dev, u8 req, u8 req_type,
+ u32 addr, u32 val)
{
struct mt76_usb *usb = &dev->usb;
@@ -131,6 +119,7 @@ static void ___mt76u_wr(struct mt76_dev *dev, u8 req, u8 req_type,
addr, usb->data, sizeof(__le32));
trace_usb_reg_wr(dev, addr, val);
}
+EXPORT_SYMBOL_GPL(___mt76u_wr);
static void __mt76u_wr(struct mt76_dev *dev, u32 addr, u32 val)
{
@@ -155,14 +144,6 @@ static void mt76u_wr(struct mt76_dev *dev, u32 addr, u32 val)
mutex_unlock(&dev->usb.usb_ctrl_mtx);
}
-static void mt76u_wr_ext(struct mt76_dev *dev, u32 addr, u32 val)
-{
- mutex_lock(&dev->usb.usb_ctrl_mtx);
- ___mt76u_wr(dev, MT_VEND_WRITE_EXT,
- USB_DIR_OUT | USB_TYPE_VENDOR, addr, val);
- mutex_unlock(&dev->usb.usb_ctrl_mtx);
-}
-
static u32 mt76u_rmw(struct mt76_dev *dev, u32 addr,
u32 mask, u32 val)
{
@@ -174,19 +155,6 @@ static u32 mt76u_rmw(struct mt76_dev *dev, u32 addr,
return val;
}
-static u32 mt76u_rmw_ext(struct mt76_dev *dev, u32 addr,
- u32 mask, u32 val)
-{
- mutex_lock(&dev->usb.usb_ctrl_mtx);
- val |= ___mt76u_rr(dev, MT_VEND_READ_EXT,
- USB_DIR_IN | USB_TYPE_VENDOR, addr) & ~mask;
- ___mt76u_wr(dev, MT_VEND_WRITE_EXT,
- USB_DIR_OUT | USB_TYPE_VENDOR, addr, val);
- mutex_unlock(&dev->usb.usb_ctrl_mtx);
-
- return val;
-}
-
static void mt76u_copy(struct mt76_dev *dev, u32 offset,
const void *data, int len)
{
@@ -219,33 +187,8 @@ static void mt76u_copy(struct mt76_dev *dev, u32 offset,
mutex_unlock(&usb->usb_ctrl_mtx);
}
-static void mt76u_copy_ext(struct mt76_dev *dev, u32 offset,
- const void *data, int len)
-{
- struct mt76_usb *usb = &dev->usb;
- int ret, i = 0, batch_len;
- const u8 *val = data;
-
- len = round_up(len, 4);
- mutex_lock(&usb->usb_ctrl_mtx);
- while (i < len) {
- batch_len = min_t(int, usb->data_len, len - i);
- memcpy(usb->data, val + i, batch_len);
- ret = __mt76u_vendor_request(dev, MT_VEND_WRITE_EXT,
- USB_DIR_OUT | USB_TYPE_VENDOR,
- (offset + i) >> 16, offset + i,
- usb->data, batch_len);
- if (ret < 0)
- break;
-
- i += batch_len;
- }
- mutex_unlock(&usb->usb_ctrl_mtx);
-}
-
-static void
-mt76u_read_copy_ext(struct mt76_dev *dev, u32 offset,
- void *data, int len)
+void mt76u_read_copy(struct mt76_dev *dev, u32 offset,
+ void *data, int len)
{
struct mt76_usb *usb = &dev->usb;
int i = 0, batch_len, ret;
@@ -267,6 +210,7 @@ mt76u_read_copy_ext(struct mt76_dev *dev, u32 offset,
}
mutex_unlock(&usb->usb_ctrl_mtx);
}
+EXPORT_SYMBOL_GPL(mt76u_read_copy);
void mt76u_single_wr(struct mt76_dev *dev, const u8 req,
const u16 offset, const u32 val)
@@ -1115,24 +1059,13 @@ static const struct mt76_queue_ops usb_queue_ops = {
.kick = mt76u_tx_kick,
};
-int mt76u_init(struct mt76_dev *dev,
- struct usb_interface *intf, bool ext)
+int __mt76u_init(struct mt76_dev *dev, struct usb_interface *intf,
+ struct mt76_bus_ops *ops)
{
- static struct mt76_bus_ops mt76u_ops = {
- .read_copy = mt76u_read_copy_ext,
- .wr_rp = mt76u_wr_rp,
- .rd_rp = mt76u_rd_rp,
- .type = MT76_BUS_USB,
- };
struct usb_device *udev = interface_to_usbdev(intf);
struct mt76_usb *usb = &dev->usb;
int err;
- mt76u_ops.rr = ext ? mt76u_rr_ext : mt76u_rr;
- mt76u_ops.wr = ext ? mt76u_wr_ext : mt76u_wr;
- mt76u_ops.rmw = ext ? mt76u_rmw_ext : mt76u_rmw;
- mt76u_ops.write_copy = ext ? mt76u_copy_ext : mt76u_copy;
-
INIT_WORK(&usb->stat_work, mt76u_tx_status_data);
usb->data_len = usb_maxpacket(udev, usb_sndctrlpipe(udev, 0), 1);
@@ -1144,7 +1077,7 @@ int mt76u_init(struct mt76_dev *dev,
return -ENOMEM;
mutex_init(&usb->usb_ctrl_mtx);
- dev->bus = &mt76u_ops;
+ dev->bus = ops;
dev->queue_ops = &usb_queue_ops;
dev_set_drvdata(&udev->dev, dev);
@@ -1170,6 +1103,23 @@ int mt76u_init(struct mt76_dev *dev,
return 0;
}
+EXPORT_SYMBOL_GPL(__mt76u_init);
+
+int mt76u_init(struct mt76_dev *dev, struct usb_interface *intf)
+{
+ static struct mt76_bus_ops bus_ops = {
+ .rr = mt76u_rr,
+ .wr = mt76u_wr,
+ .rmw = mt76u_rmw,
+ .read_copy = mt76u_read_copy,
+ .write_copy = mt76u_copy,
+ .wr_rp = mt76u_wr_rp,
+ .rd_rp = mt76u_rd_rp,
+ .type = MT76_BUS_USB,
+ };
+
+ return __mt76u_init(dev, intf, &bus_ops);
+}
EXPORT_SYMBOL_GPL(mt76u_init);
MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>");
--
2.35.1
^ permalink raw reply related [flat|nested] 10+ messages in thread* [PATCH v5 4/9] mt76: mt7921: disable runtime pm for usb
2022-03-14 15:10 [PATCH v5 0/9] introduce mt7921u driver Lorenzo Bianconi
` (2 preceding siblings ...)
2022-03-14 15:10 ` [PATCH v5 3/9] mt76: usb: introduce __mt76u_init utility routine Lorenzo Bianconi
@ 2022-03-14 15:10 ` Lorenzo Bianconi
2022-03-14 15:10 ` [PATCH v5 5/9] mt76: mt7921: update mt7921_skb_add_usb_sdio_hdr to support usb Lorenzo Bianconi
` (4 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: Lorenzo Bianconi @ 2022-03-14 15:10 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, lorenzo.bianconi, sean.wang, deren.wu,
linux-mediatek
Runtime-pm is not currently supported by usb driver
Tested-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c | 6 ++++++
drivers/net/wireless/mediatek/mt76/mt7921/init.c | 10 ++++++----
2 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
index 32004b55a360..bce76417f95d 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
@@ -267,6 +267,9 @@ mt7921_pm_set(void *data, u64 val)
struct mt7921_dev *dev = data;
struct mt76_connac_pm *pm = &dev->pm;
+ if (mt76_is_usb(&dev->mt76))
+ return -EOPNOTSUPP;
+
mutex_lock(&dev->mt76.mutex);
if (val == pm->enable_user)
@@ -311,6 +314,9 @@ mt7921_deep_sleep_set(void *data, u64 val)
bool monitor = !!(dev->mphy.hw->conf.flags & IEEE80211_CONF_MONITOR);
bool enable = !!val;
+ if (mt76_is_usb(&dev->mt76))
+ return -EOPNOTSUPP;
+
mt7921_mutex_acquire(dev);
if (pm->ds_enable_user == enable)
goto out;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
index fa6af85bba7b..54f51e7b48a0 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
@@ -226,10 +226,12 @@ int mt7921_register_device(struct mt7921_dev *dev)
dev->pm.idle_timeout = MT7921_PM_TIMEOUT;
dev->pm.stats.last_wake_event = jiffies;
dev->pm.stats.last_doze_event = jiffies;
- dev->pm.enable_user = true;
- dev->pm.enable = true;
- dev->pm.ds_enable_user = true;
- dev->pm.ds_enable = true;
+ if (!mt76_is_usb(&dev->mt76)) {
+ dev->pm.enable_user = true;
+ dev->pm.enable = true;
+ dev->pm.ds_enable_user = true;
+ dev->pm.ds_enable = true;
+ }
if (mt76_is_sdio(&dev->mt76))
hw->extra_tx_headroom += MT_SDIO_TXD_SIZE + MT_SDIO_HDR_SIZE;
--
2.35.1
^ permalink raw reply related [flat|nested] 10+ messages in thread* [PATCH v5 5/9] mt76: mt7921: update mt7921_skb_add_usb_sdio_hdr to support usb
2022-03-14 15:10 [PATCH v5 0/9] introduce mt7921u driver Lorenzo Bianconi
` (3 preceding siblings ...)
2022-03-14 15:10 ` [PATCH v5 4/9] mt76: mt7921: disable runtime pm for usb Lorenzo Bianconi
@ 2022-03-14 15:10 ` Lorenzo Bianconi
2022-03-14 15:10 ` [PATCH v5 6/9] mt76: mt7921: move mt7921_usb_sdio_tx_prepare_skb in common mac code Lorenzo Bianconi
` (3 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: Lorenzo Bianconi @ 2022-03-14 15:10 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, lorenzo.bianconi, sean.wang, deren.wu,
linux-mediatek
This is a preliminary patch to add mt7921u driver support.
Tested-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h | 10 ++++++----
drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c | 2 +-
drivers/net/wireless/mediatek/mt76/mt7921/sdio_mcu.c | 2 +-
3 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
index 3952247659fa..39ad75af988c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
@@ -352,12 +352,14 @@ static inline void mt7921_mcu_tx_cleanup(struct mt7921_dev *dev)
mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_WA], false);
}
-static inline void mt7921_skb_add_sdio_hdr(struct sk_buff *skb,
- enum mt7921_sdio_pkt_type type)
+static inline void
+mt7921_skb_add_usb_sdio_hdr(struct mt7921_dev *dev, struct sk_buff *skb,
+ int type)
{
- u32 hdr;
+ u32 hdr, len;
- hdr = FIELD_PREP(MT7921_SDIO_HDR_TX_BYTES, skb->len + sizeof(hdr)) |
+ len = mt76_is_usb(&dev->mt76) ? skb->len : skb->len + sizeof(hdr);
+ hdr = FIELD_PREP(MT7921_SDIO_HDR_TX_BYTES, len) |
FIELD_PREP(MT7921_SDIO_HDR_PKT_TYPE, type);
put_unaligned_le32(hdr, skb_push(skb, sizeof(hdr)));
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c
index 09bcabd6cb8a..248d3f3cdb08 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c
@@ -183,7 +183,7 @@ int mt7921s_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
pktid = mt76_tx_status_skb_add(&dev->mt76, wcid, skb);
mt7921s_write_txwi(dev, wcid, qid, sta, key, pktid, skb);
- mt7921_skb_add_sdio_hdr(skb, MT7921_SDIO_DATA);
+ mt7921_skb_add_usb_sdio_hdr(dev, skb, MT7921_SDIO_DATA);
pad = round_up(skb->len, 4) - skb->len;
err = mt76_skb_adjust_pad(skb, pad);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mcu.c
index 5d8af18c7026..54a5c712a3c3 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mcu.c
@@ -36,7 +36,7 @@ mt7921s_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
if (cmd == MCU_CMD(FW_SCATTER))
type = MT7921_SDIO_FWDL;
- mt7921_skb_add_sdio_hdr(skb, type);
+ mt7921_skb_add_usb_sdio_hdr(dev, skb, type);
pad = round_up(skb->len, 4) - skb->len;
__skb_put_zero(skb, pad);
--
2.35.1
^ permalink raw reply related [flat|nested] 10+ messages in thread* [PATCH v5 6/9] mt76: mt7921: move mt7921_usb_sdio_tx_prepare_skb in common mac code
2022-03-14 15:10 [PATCH v5 0/9] introduce mt7921u driver Lorenzo Bianconi
` (4 preceding siblings ...)
2022-03-14 15:10 ` [PATCH v5 5/9] mt76: mt7921: update mt7921_skb_add_usb_sdio_hdr to support usb Lorenzo Bianconi
@ 2022-03-14 15:10 ` Lorenzo Bianconi
2022-03-14 15:10 ` [PATCH v5 7/9] mt76: mt7921: move mt7921_usb_sdio_tx_complete_skb " Lorenzo Bianconi
` (2 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: Lorenzo Bianconi @ 2022-03-14 15:10 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, lorenzo.bianconi, sean.wang, deren.wu,
linux-mediatek
This is a preliminary patch to add mt7921u driver support.
Tested-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
.../net/wireless/mediatek/mt76/mt7921/mac.c | 58 +++++++++++++++++++
.../wireless/mediatek/mt76/mt7921/mt7921.h | 9 +--
.../net/wireless/mediatek/mt76/mt7921/sdio.c | 2 +-
.../wireless/mediatek/mt76/mt7921/sdio_mac.c | 53 -----------------
4 files changed, 64 insertions(+), 58 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
index 8bd8b4fe1047..dd1a241c45d6 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
@@ -1622,3 +1622,61 @@ void mt7921_coredump_work(struct work_struct *work)
mt7921_reset(&dev->mt76);
}
+
+/* usb_sdio */
+static void
+mt7921_usb_sdio_write_txwi(struct mt7921_dev *dev, struct mt76_wcid *wcid,
+ enum mt76_txq_id qid, struct ieee80211_sta *sta,
+ struct ieee80211_key_conf *key, int pid,
+ struct sk_buff *skb)
+{
+ __le32 *txwi = (__le32 *)(skb->data - MT_SDIO_TXD_SIZE);
+
+ memset(txwi, 0, MT_SDIO_TXD_SIZE);
+ mt7921_mac_write_txwi(dev, txwi, skb, wcid, key, pid, false);
+ skb_push(skb, MT_SDIO_TXD_SIZE);
+}
+
+int mt7921_usb_sdio_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
+ enum mt76_txq_id qid, struct mt76_wcid *wcid,
+ struct ieee80211_sta *sta,
+ struct mt76_tx_info *tx_info)
+{
+ struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb);
+ struct ieee80211_key_conf *key = info->control.hw_key;
+ struct sk_buff *skb = tx_info->skb;
+ int err, pad, pktid, type;
+
+ if (unlikely(tx_info->skb->len <= ETH_HLEN))
+ return -EINVAL;
+
+ if (!wcid)
+ wcid = &dev->mt76.global_wcid;
+
+ if (sta) {
+ struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
+
+ if (time_after(jiffies, msta->last_txs + HZ / 4)) {
+ info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
+ msta->last_txs = jiffies;
+ }
+ }
+
+ pktid = mt76_tx_status_skb_add(&dev->mt76, wcid, skb);
+ mt7921_usb_sdio_write_txwi(dev, wcid, qid, sta, key, pktid, skb);
+
+ type = mt76_is_sdio(mdev) ? MT7921_SDIO_DATA : 0;
+ mt7921_skb_add_usb_sdio_hdr(dev, skb, type);
+ pad = round_up(skb->len, 4) - skb->len;
+ if (mt76_is_usb(mdev))
+ pad += 4;
+
+ err = mt76_skb_adjust_pad(skb, pad);
+ if (err)
+ /* Release pktid in case of error. */
+ idr_remove(&wcid->pktid, pktid);
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(mt7921_usb_sdio_tx_prepare_skb);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
index 39ad75af988c..06db3e1f39a2 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
@@ -444,14 +444,15 @@ int mt7921e_mcu_fw_pmctrl(struct mt7921_dev *dev);
int mt7921s_mcu_init(struct mt7921_dev *dev);
int mt7921s_mcu_drv_pmctrl(struct mt7921_dev *dev);
int mt7921s_mcu_fw_pmctrl(struct mt7921_dev *dev);
-int mt7921s_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
- enum mt76_txq_id qid, struct mt76_wcid *wcid,
- struct ieee80211_sta *sta,
- struct mt76_tx_info *tx_info);
void mt7921s_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e);
bool mt7921s_tx_status_data(struct mt76_dev *mdev, u8 *update);
void mt7921_mac_add_txs(struct mt7921_dev *dev, void *data);
void mt7921_set_runtime_pm(struct mt7921_dev *dev);
int mt7921_mcu_set_sniffer(struct mt7921_dev *dev, struct ieee80211_vif *vif,
bool enable);
+
+int mt7921_usb_sdio_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
+ enum mt76_txq_id qid, struct mt76_wcid *wcid,
+ struct ieee80211_sta *sta,
+ struct mt76_tx_info *tx_info);
#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c b/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c
index a6ae29c97e0e..fc6499640a1c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c
@@ -91,7 +91,7 @@ static int mt7921s_probe(struct sdio_func *func,
.survey_flags = SURVEY_INFO_TIME_TX |
SURVEY_INFO_TIME_RX |
SURVEY_INFO_TIME_BSS_RX,
- .tx_prepare_skb = mt7921s_tx_prepare_skb,
+ .tx_prepare_skb = mt7921_usb_sdio_tx_prepare_skb,
.tx_complete_skb = mt7921s_tx_complete_skb,
.tx_status_data = mt7921s_tx_status_data,
.rx_skb = mt7921_queue_rx_skb,
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c
index 248d3f3cdb08..d741a58c1260 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c
@@ -141,59 +141,6 @@ int mt7921s_mac_reset(struct mt7921_dev *dev)
return err;
}
-static void
-mt7921s_write_txwi(struct mt7921_dev *dev, struct mt76_wcid *wcid,
- enum mt76_txq_id qid, struct ieee80211_sta *sta,
- struct ieee80211_key_conf *key, int pid,
- struct sk_buff *skb)
-{
- __le32 *txwi = (__le32 *)(skb->data - MT_SDIO_TXD_SIZE);
-
- memset(txwi, 0, MT_SDIO_TXD_SIZE);
- mt7921_mac_write_txwi(dev, txwi, skb, wcid, key, pid, false);
- skb_push(skb, MT_SDIO_TXD_SIZE);
-}
-
-int mt7921s_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
- enum mt76_txq_id qid, struct mt76_wcid *wcid,
- struct ieee80211_sta *sta,
- struct mt76_tx_info *tx_info)
-{
- struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb);
- struct ieee80211_key_conf *key = info->control.hw_key;
- struct sk_buff *skb = tx_info->skb;
- int err, pad, pktid;
-
- if (unlikely(tx_info->skb->len <= ETH_HLEN))
- return -EINVAL;
-
- if (!wcid)
- wcid = &dev->mt76.global_wcid;
-
- if (sta) {
- struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
-
- if (time_after(jiffies, msta->last_txs + HZ / 4)) {
- info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
- msta->last_txs = jiffies;
- }
- }
-
- pktid = mt76_tx_status_skb_add(&dev->mt76, wcid, skb);
- mt7921s_write_txwi(dev, wcid, qid, sta, key, pktid, skb);
-
- mt7921_skb_add_usb_sdio_hdr(dev, skb, MT7921_SDIO_DATA);
- pad = round_up(skb->len, 4) - skb->len;
-
- err = mt76_skb_adjust_pad(skb, pad);
- if (err)
- /* Release pktid in case of error. */
- idr_remove(&wcid->pktid, pktid);
-
- return err;
-}
-
void mt7921s_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e)
{
__le32 *txwi = (__le32 *)(e->skb->data + MT_SDIO_HDR_SIZE);
--
2.35.1
^ permalink raw reply related [flat|nested] 10+ messages in thread* [PATCH v5 7/9] mt76: mt7921: move mt7921_usb_sdio_tx_complete_skb in common mac code.
2022-03-14 15:10 [PATCH v5 0/9] introduce mt7921u driver Lorenzo Bianconi
` (5 preceding siblings ...)
2022-03-14 15:10 ` [PATCH v5 6/9] mt76: mt7921: move mt7921_usb_sdio_tx_prepare_skb in common mac code Lorenzo Bianconi
@ 2022-03-14 15:10 ` Lorenzo Bianconi
2022-03-14 15:10 ` [PATCH v5 8/9] mt76: mt7921: move mt7921_usb_sdio_tx_status_data in mac common code Lorenzo Bianconi
2022-03-14 15:10 ` [PATCH v5 9/9] mt76: mt7921: add mt7921u driver Lorenzo Bianconi
8 siblings, 0 replies; 10+ messages in thread
From: Lorenzo Bianconi @ 2022-03-14 15:10 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, lorenzo.bianconi, sean.wang, deren.wu,
linux-mediatek
This is a preliminary patch to add mt7921u driver support.
Tested-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
.../net/wireless/mediatek/mt76/mt7921/mac.c | 21 +++++++++++++++++++
.../wireless/mediatek/mt76/mt7921/mt7921.h | 3 ++-
.../net/wireless/mediatek/mt76/mt7921/sdio.c | 2 +-
.../wireless/mediatek/mt76/mt7921/sdio_mac.c | 19 -----------------
4 files changed, 24 insertions(+), 21 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
index dd1a241c45d6..0c1b65653102 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
@@ -1680,3 +1680,24 @@ int mt7921_usb_sdio_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
return err;
}
EXPORT_SYMBOL_GPL(mt7921_usb_sdio_tx_prepare_skb);
+
+void mt7921_usb_sdio_tx_complete_skb(struct mt76_dev *mdev,
+ struct mt76_queue_entry *e)
+{
+ __le32 *txwi = (__le32 *)(e->skb->data + MT_SDIO_HDR_SIZE);
+ unsigned int headroom = MT_SDIO_TXD_SIZE + MT_SDIO_HDR_SIZE;
+ struct ieee80211_sta *sta;
+ struct mt76_wcid *wcid;
+ u16 idx;
+
+ idx = le32_get_bits(txwi[1], MT_TXD1_WLAN_IDX);
+ wcid = rcu_dereference(mdev->wcid[idx]);
+ sta = wcid_to_sta(wcid);
+
+ if (sta && likely(e->skb->protocol != cpu_to_be16(ETH_P_PAE)))
+ mt7921_tx_check_aggr(sta, txwi);
+
+ skb_pull(e->skb, headroom);
+ mt76_tx_complete_skb(mdev, e->wcid, e->skb);
+}
+EXPORT_SYMBOL_GPL(mt7921_usb_sdio_tx_complete_skb);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
index 06db3e1f39a2..32b77fe49abd 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
@@ -444,7 +444,6 @@ int mt7921e_mcu_fw_pmctrl(struct mt7921_dev *dev);
int mt7921s_mcu_init(struct mt7921_dev *dev);
int mt7921s_mcu_drv_pmctrl(struct mt7921_dev *dev);
int mt7921s_mcu_fw_pmctrl(struct mt7921_dev *dev);
-void mt7921s_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e);
bool mt7921s_tx_status_data(struct mt76_dev *mdev, u8 *update);
void mt7921_mac_add_txs(struct mt7921_dev *dev, void *data);
void mt7921_set_runtime_pm(struct mt7921_dev *dev);
@@ -455,4 +454,6 @@ int mt7921_usb_sdio_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
enum mt76_txq_id qid, struct mt76_wcid *wcid,
struct ieee80211_sta *sta,
struct mt76_tx_info *tx_info);
+void mt7921_usb_sdio_tx_complete_skb(struct mt76_dev *mdev,
+ struct mt76_queue_entry *e);
#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c b/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c
index fc6499640a1c..507bd550b063 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c
@@ -92,7 +92,7 @@ static int mt7921s_probe(struct sdio_func *func,
SURVEY_INFO_TIME_RX |
SURVEY_INFO_TIME_BSS_RX,
.tx_prepare_skb = mt7921_usb_sdio_tx_prepare_skb,
- .tx_complete_skb = mt7921s_tx_complete_skb,
+ .tx_complete_skb = mt7921_usb_sdio_tx_complete_skb,
.tx_status_data = mt7921s_tx_status_data,
.rx_skb = mt7921_queue_rx_skb,
.sta_ps = mt7921_sta_ps,
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c
index d741a58c1260..fa9db21bb3e8 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c
@@ -141,25 +141,6 @@ int mt7921s_mac_reset(struct mt7921_dev *dev)
return err;
}
-void mt7921s_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e)
-{
- __le32 *txwi = (__le32 *)(e->skb->data + MT_SDIO_HDR_SIZE);
- unsigned int headroom = MT_SDIO_TXD_SIZE + MT_SDIO_HDR_SIZE;
- struct ieee80211_sta *sta;
- struct mt76_wcid *wcid;
- u16 idx;
-
- idx = le32_get_bits(txwi[1], MT_TXD1_WLAN_IDX);
- wcid = rcu_dereference(mdev->wcid[idx]);
- sta = wcid_to_sta(wcid);
-
- if (sta && likely(e->skb->protocol != cpu_to_be16(ETH_P_PAE)))
- mt7921_tx_check_aggr(sta, txwi);
-
- skb_pull(e->skb, headroom);
- mt76_tx_complete_skb(mdev, e->wcid, e->skb);
-}
-
bool mt7921s_tx_status_data(struct mt76_dev *mdev, u8 *update)
{
struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
--
2.35.1
^ permalink raw reply related [flat|nested] 10+ messages in thread* [PATCH v5 8/9] mt76: mt7921: move mt7921_usb_sdio_tx_status_data in mac common code.
2022-03-14 15:10 [PATCH v5 0/9] introduce mt7921u driver Lorenzo Bianconi
` (6 preceding siblings ...)
2022-03-14 15:10 ` [PATCH v5 7/9] mt76: mt7921: move mt7921_usb_sdio_tx_complete_skb " Lorenzo Bianconi
@ 2022-03-14 15:10 ` Lorenzo Bianconi
2022-03-14 15:10 ` [PATCH v5 9/9] mt76: mt7921: add mt7921u driver Lorenzo Bianconi
8 siblings, 0 replies; 10+ messages in thread
From: Lorenzo Bianconi @ 2022-03-14 15:10 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, lorenzo.bianconi, sean.wang, deren.wu,
linux-mediatek
This is a preliminary patch to add mt7921u driver support.
Tested-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
drivers/net/wireless/mediatek/mt76/mt7921/mac.c | 12 ++++++++++++
drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h | 2 +-
drivers/net/wireless/mediatek/mt76/mt7921/sdio.c | 2 +-
drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c | 11 -----------
4 files changed, 14 insertions(+), 13 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
index 0c1b65653102..263ac62d88b7 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
@@ -1701,3 +1701,15 @@ void mt7921_usb_sdio_tx_complete_skb(struct mt76_dev *mdev,
mt76_tx_complete_skb(mdev, e->wcid, e->skb);
}
EXPORT_SYMBOL_GPL(mt7921_usb_sdio_tx_complete_skb);
+
+bool mt7921_usb_sdio_tx_status_data(struct mt76_dev *mdev, u8 *update)
+{
+ struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
+
+ mt7921_mutex_acquire(dev);
+ mt7921_mac_sta_poll(dev);
+ mt7921_mutex_release(dev);
+
+ return false;
+}
+EXPORT_SYMBOL_GPL(mt7921_usb_sdio_tx_status_data);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
index 32b77fe49abd..e0d67756673f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
@@ -444,7 +444,6 @@ int mt7921e_mcu_fw_pmctrl(struct mt7921_dev *dev);
int mt7921s_mcu_init(struct mt7921_dev *dev);
int mt7921s_mcu_drv_pmctrl(struct mt7921_dev *dev);
int mt7921s_mcu_fw_pmctrl(struct mt7921_dev *dev);
-bool mt7921s_tx_status_data(struct mt76_dev *mdev, u8 *update);
void mt7921_mac_add_txs(struct mt7921_dev *dev, void *data);
void mt7921_set_runtime_pm(struct mt7921_dev *dev);
int mt7921_mcu_set_sniffer(struct mt7921_dev *dev, struct ieee80211_vif *vif,
@@ -456,4 +455,5 @@ int mt7921_usb_sdio_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
struct mt76_tx_info *tx_info);
void mt7921_usb_sdio_tx_complete_skb(struct mt76_dev *mdev,
struct mt76_queue_entry *e);
+bool mt7921_usb_sdio_tx_status_data(struct mt76_dev *mdev, u8 *update);
#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c b/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c
index 507bd550b063..9b2bc0b11492 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/sdio.c
@@ -93,7 +93,7 @@ static int mt7921s_probe(struct sdio_func *func,
SURVEY_INFO_TIME_BSS_RX,
.tx_prepare_skb = mt7921_usb_sdio_tx_prepare_skb,
.tx_complete_skb = mt7921_usb_sdio_tx_complete_skb,
- .tx_status_data = mt7921s_tx_status_data,
+ .tx_status_data = mt7921_usb_sdio_tx_status_data,
.rx_skb = mt7921_queue_rx_skb,
.sta_ps = mt7921_sta_ps,
.sta_add = mt7921_mac_sta_add,
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c
index fa9db21bb3e8..1b3adb3d91e8 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c
@@ -140,14 +140,3 @@ int mt7921s_mac_reset(struct mt7921_dev *dev)
return err;
}
-
-bool mt7921s_tx_status_data(struct mt76_dev *mdev, u8 *update)
-{
- struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
-
- mt7921_mutex_acquire(dev);
- mt7921_mac_sta_poll(dev);
- mt7921_mutex_release(dev);
-
- return false;
-}
--
2.35.1
^ permalink raw reply related [flat|nested] 10+ messages in thread* [PATCH v5 9/9] mt76: mt7921: add mt7921u driver
2022-03-14 15:10 [PATCH v5 0/9] introduce mt7921u driver Lorenzo Bianconi
` (7 preceding siblings ...)
2022-03-14 15:10 ` [PATCH v5 8/9] mt76: mt7921: move mt7921_usb_sdio_tx_status_data in mac common code Lorenzo Bianconi
@ 2022-03-14 15:10 ` Lorenzo Bianconi
8 siblings, 0 replies; 10+ messages in thread
From: Lorenzo Bianconi @ 2022-03-14 15:10 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, lorenzo.bianconi, sean.wang, deren.wu,
linux-mediatek
Introduce support for MT7921U 802.11ax 2x2:2SS wireless devices.
Tested-by: Sean Wang <sean.wang@mediatek.com>
Tested-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
.../net/wireless/mediatek/mt76/mt7921/Kconfig | 11 +
.../wireless/mediatek/mt76/mt7921/Makefile | 2 +
.../net/wireless/mediatek/mt76/mt7921/init.c | 2 +-
.../net/wireless/mediatek/mt76/mt7921/mac.h | 1 +
.../net/wireless/mediatek/mt76/mt7921/main.c | 3 +-
.../wireless/mediatek/mt76/mt7921/mt7921.h | 12 +
.../net/wireless/mediatek/mt76/mt7921/regs.h | 50 ++-
.../net/wireless/mediatek/mt76/mt7921/usb.c | 305 ++++++++++++++++++
.../wireless/mediatek/mt76/mt7921/usb_mac.c | 252 +++++++++++++++
9 files changed, 635 insertions(+), 3 deletions(-)
create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/usb.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/usb_mac.c
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/Kconfig b/drivers/net/wireless/mediatek/mt76/mt7921/Kconfig
index 71154fc2a87c..adff2d7350b5 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/Kconfig
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/Kconfig
@@ -24,3 +24,14 @@ config MT7921S
This adds support for MT7921S 802.11ax 2x2:2SS wireless devices.
To compile this driver as a module, choose M here.
+
+config MT7921U
+ tristate "MediaTek MT7921U (USB) support"
+ select MT76_USB
+ select MT7921_COMMON
+ depends on MAC80211
+ depends on USB
+ help
+ This adds support for MT7921U 802.11ax 2x2:2SS wireless devices.
+
+ To compile this driver as a module, choose M here.
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/Makefile b/drivers/net/wireless/mediatek/mt76/mt7921/Makefile
index 1187acedfeda..0a146818c623 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/Makefile
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/Makefile
@@ -3,6 +3,7 @@
obj-$(CONFIG_MT7921_COMMON) += mt7921-common.o
obj-$(CONFIG_MT7921E) += mt7921e.o
obj-$(CONFIG_MT7921S) += mt7921s.o
+obj-$(CONFIG_MT7921U) += mt7921u.o
CFLAGS_trace.o := -I$(src)
@@ -10,3 +11,4 @@ mt7921-common-y := mac.o mcu.o main.o init.o debugfs.o trace.o
mt7921-common-$(CONFIG_NL80211_TESTMODE) += testmode.o
mt7921e-y := pci.o pci_mac.o pci_mcu.o dma.o
mt7921s-y := sdio.o sdio_mac.o sdio_mcu.o
+mt7921u-y := usb.o usb_mac.o
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
index 54f51e7b48a0..ceb22653e4bb 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
@@ -233,7 +233,7 @@ int mt7921_register_device(struct mt7921_dev *dev)
dev->pm.ds_enable = true;
}
- if (mt76_is_sdio(&dev->mt76))
+ if (!mt76_is_mmio(&dev->mt76))
hw->extra_tx_headroom += MT_SDIO_TXD_SIZE + MT_SDIO_HDR_SIZE;
ret = mt7921_init_hardware(dev);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.h b/drivers/net/wireless/mediatek/mt76/mt7921/mac.h
index 12e1cf8abe6e..79447e2d0143 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.h
@@ -202,6 +202,7 @@ enum tx_mcu_port_q_idx {
#define MT_SDIO_TXD_SIZE (MT_TXD_SIZE + 8 * 4)
#define MT_SDIO_TAIL_SIZE 8
#define MT_SDIO_HDR_SIZE 4
+#define MT_USB_TAIL_SIZE 4
#define MT_TXD0_Q_IDX GENMASK(31, 25)
#define MT_TXD0_PKT_FMT GENMASK(24, 23)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
index e5dcf1615f17..3a16a966d9d3 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
@@ -264,7 +264,7 @@ static int mt7921_start(struct ieee80211_hw *hw)
return err;
}
-static void mt7921_stop(struct ieee80211_hw *hw)
+void mt7921_stop(struct ieee80211_hw *hw)
{
struct mt7921_dev *dev = mt7921_hw_dev(hw);
struct mt7921_phy *phy = mt7921_hw_phy(hw);
@@ -281,6 +281,7 @@ static void mt7921_stop(struct ieee80211_hw *hw)
mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, false, false);
mt7921_mutex_release(dev);
}
+EXPORT_SYMBOL_GPL(mt7921_stop);
static int mt7921_add_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
index e0d67756673f..1ea781429d49 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
@@ -30,6 +30,7 @@
#define MT7921_DRV_OWN_RETRY_COUNT 10
#define MT7921_MCU_INIT_RETRY_COUNT 10
+#define MT7921_WFSYS_INIT_RETRY_COUNT 2
#define MT7921_FIRMWARE_WM "mediatek/WIFI_RAM_CODE_MT7961_1.bin"
#define MT7921_ROM_PATCH "mediatek/WIFI_MT7961_patch_mcu_1_2_hdr.bin"
@@ -365,6 +366,7 @@ mt7921_skb_add_usb_sdio_hdr(struct mt7921_dev *dev, struct sk_buff *skb,
put_unaligned_le32(hdr, skb_push(skb, sizeof(hdr)));
}
+void mt7921_stop(struct ieee80211_hw *hw);
int 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);
@@ -456,4 +458,14 @@ int mt7921_usb_sdio_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
void mt7921_usb_sdio_tx_complete_skb(struct mt76_dev *mdev,
struct mt76_queue_entry *e);
bool mt7921_usb_sdio_tx_status_data(struct mt76_dev *mdev, u8 *update);
+
+/* usb */
+#define MT_USB_TYPE_VENDOR (USB_TYPE_VENDOR | 0x1f)
+#define MT_USB_TYPE_UHW_VENDOR (USB_TYPE_VENDOR | 0x1e)
+
+int mt7921u_mcu_power_on(struct mt7921_dev *dev);
+int mt7921u_wfsys_reset(struct mt7921_dev *dev);
+int mt7921u_dma_init(struct mt7921_dev *dev);
+int mt7921u_init_reset(struct mt7921_dev *dev);
+int mt7921u_mac_reset(struct mt7921_dev *dev);
#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/regs.h b/drivers/net/wireless/mediatek/mt76/mt7921/regs.h
index 33578e0dfde3..6712ff60c722 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/regs.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/regs.h
@@ -353,6 +353,7 @@
#define MT_WFDMA0_GLO_CFG_RX_DMA_EN BIT(2)
#define MT_WFDMA0_GLO_CFG_RX_DMA_BUSY BIT(3)
#define MT_WFDMA0_GLO_CFG_TX_WB_DDONE BIT(6)
+#define MT_WFDMA0_GLO_CFG_FW_DWLD_BYPASS_DMASHDL BIT(9)
#define MT_WFDMA0_GLO_CFG_FIFO_LITTLE_ENDIAN BIT(12)
#define MT_WFDMA0_GLO_CFG_CSR_DISP_BASE_PTR_CHAIN_EN BIT(15)
#define MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2 BIT(21)
@@ -377,6 +378,9 @@
#define MT_WFDMA0_TX_RING16_EXT_CTRL MT_WFDMA0(0x640)
#define MT_WFDMA0_TX_RING17_EXT_CTRL MT_WFDMA0(0x644)
+#define MT_WPDMA0_MAX_CNT_MASK GENMASK(7, 0)
+#define MT_WPDMA0_BASE_PTR_MASK GENMASK(31, 16)
+
#define MT_WFDMA0_RX_RING0_EXT_CTRL MT_WFDMA0(0x680)
#define MT_WFDMA0_RX_RING1_EXT_CTRL MT_WFDMA0(0x684)
#define MT_WFDMA0_RX_RING2_EXT_CTRL MT_WFDMA0(0x688)
@@ -425,6 +429,10 @@
#define MT_WFDMA_DUMMY_CR MT_MCU_WPDMA0(0x120)
#define MT_WFDMA_NEED_REINIT BIT(1)
+#define MT_CBTOP_RGU(ofs) (0x70002000 + (ofs))
+#define MT_CBTOP_RGU_WF_SUBSYS_RST MT_CBTOP_RGU(0x600)
+#define MT_CBTOP_RGU_WF_SUBSYS_RST_WF_WHOLE_PATH BIT(0)
+
#define MT_HW_BOUND 0x70010020
#define MT_HW_CHIPID 0x70010200
#define MT_HW_REV 0x70010204
@@ -433,12 +441,14 @@
#define MT_PCIE_MAC(ofs) (MT_PCIE_MAC_BASE + (ofs))
#define MT_PCIE_MAC_INT_ENABLE MT_PCIE_MAC(0x188)
-#define MT_DMA_SHDL(ofs) (0xd6000 + (ofs))
+#define MT_DMA_SHDL(ofs) (0x7c026000 + (ofs))
#define MT_DMASHDL_SW_CONTROL MT_DMA_SHDL(0x004)
#define MT_DMASHDL_DMASHDL_BYPASS BIT(28)
#define MT_DMASHDL_OPTIONAL MT_DMA_SHDL(0x008)
#define MT_DMASHDL_PAGE MT_DMA_SHDL(0x00c)
+#define MT_DMASHDL_GROUP_SEQ_ORDER BIT(16)
#define MT_DMASHDL_REFILL MT_DMA_SHDL(0x010)
+#define MT_DMASHDL_REFILL_MASK GENMASK(31, 16)
#define MT_DMASHDL_PKT_MAX_SIZE MT_DMA_SHDL(0x01c)
#define MT_DMASHDL_PKT_MAX_SIZE_PLE GENMASK(11, 0)
#define MT_DMASHDL_PKT_MAX_SIZE_PSE GENMASK(27, 16)
@@ -453,6 +463,43 @@
#define MT_DMASHDL_SCHED_SET(_n) MT_DMA_SHDL(0x070 + ((_n) << 2))
+#define MT_WFDMA_HOST_CONFIG 0x7c027030
+#define MT_WFDMA_HOST_CONFIG_USB_RXEVT_EP4_EN BIT(6)
+
+#define MT_UMAC(ofs) (0x74000000 + (ofs))
+#define MT_UDMA_TX_QSEL MT_UMAC(0x008)
+#define MT_FW_DL_EN BIT(3)
+
+#define MT_UDMA_WLCFG_1 MT_UMAC(0x00c)
+#define MT_WL_RX_AGG_PKT_LMT GENMASK(7, 0)
+#define MT_WL_TX_TMOUT_LMT GENMASK(27, 8)
+
+#define MT_UDMA_WLCFG_0 MT_UMAC(0x18)
+#define MT_WL_RX_AGG_TO GENMASK(7, 0)
+#define MT_WL_RX_AGG_LMT GENMASK(15, 8)
+#define MT_WL_TX_TMOUT_FUNC_EN BIT(16)
+#define MT_WL_TX_DPH_CHK_EN BIT(17)
+#define MT_WL_RX_MPSZ_PAD0 BIT(18)
+#define MT_WL_RX_FLUSH BIT(19)
+#define MT_TICK_1US_EN BIT(20)
+#define MT_WL_RX_AGG_EN BIT(21)
+#define MT_WL_RX_EN BIT(22)
+#define MT_WL_TX_EN BIT(23)
+#define MT_WL_RX_BUSY BIT(30)
+#define MT_WL_TX_BUSY BIT(31)
+
+#define MT_UDMA_CONN_INFRA_STATUS MT_UMAC(0xa20)
+#define MT_UDMA_CONN_WFSYS_INIT_DONE BIT(22)
+#define MT_UDMA_CONN_INFRA_STATUS_SEL MT_UMAC(0xa24)
+
+#define MT_SSUSB_EPCTL_CSR(ofs) (0x74011800 + (ofs))
+#define MT_SSUSB_EPCTL_CSR_EP_RST_OPT MT_SSUSB_EPCTL_CSR(0x090)
+
+#define MT_UWFDMA0(ofs) (0x7c024000 + (ofs))
+#define MT_UWFDMA0_GLO_CFG MT_UWFDMA0(0x208)
+#define MT_UWFDMA0_GLO_CFG_EXT0 MT_UWFDMA0(0x2b0)
+#define MT_UWFDMA0_TX_RING_EXT_CTRL(_n) MT_UWFDMA0(0x600 + ((_n) << 2))
+
#define MT_CONN_STATUS 0x7c053c10
#define MT_WIFI_PATCH_DL_STATE BIT(0)
@@ -466,6 +513,7 @@
#define WFSYS_SW_INIT_DONE BIT(4)
#define MT_CONN_ON_MISC 0x7c0600f0
+#define MT_TOP_MISC2_FW_PWR_ON BIT(0)
#define MT_TOP_MISC2_FW_N9_RDY GENMASK(1, 0)
#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/usb.c b/drivers/net/wireless/mediatek/mt76/mt7921/usb.c
new file mode 100644
index 000000000000..0f99d059d319
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/usb.c
@@ -0,0 +1,305 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2022 MediaTek Inc.
+ *
+ * Author: Lorenzo Bianconi <lorenzo@kernel.org>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+
+#include "mt7921.h"
+#include "mcu.h"
+#include "mac.h"
+
+static const struct usb_device_id mt7921u_device_table[] = {
+ { USB_DEVICE_AND_INTERFACE_INFO(0x0e8d, 0x7961, 0xff, 0xff, 0xff) },
+ { },
+};
+
+static u32 mt7921u_rr(struct mt76_dev *dev, u32 addr)
+{
+ u32 ret;
+
+ mutex_lock(&dev->usb.usb_ctrl_mtx);
+ ret = ___mt76u_rr(dev, MT_VEND_READ_EXT,
+ USB_DIR_IN | MT_USB_TYPE_VENDOR, addr);
+ mutex_unlock(&dev->usb.usb_ctrl_mtx);
+
+ return ret;
+}
+
+static void mt7921u_wr(struct mt76_dev *dev, u32 addr, u32 val)
+{
+ mutex_lock(&dev->usb.usb_ctrl_mtx);
+ ___mt76u_wr(dev, MT_VEND_WRITE_EXT,
+ USB_DIR_OUT | MT_USB_TYPE_VENDOR, addr, val);
+ mutex_unlock(&dev->usb.usb_ctrl_mtx);
+}
+
+static u32 mt7921u_rmw(struct mt76_dev *dev, u32 addr,
+ u32 mask, u32 val)
+{
+ mutex_lock(&dev->usb.usb_ctrl_mtx);
+ val |= ___mt76u_rr(dev, MT_VEND_READ_EXT,
+ USB_DIR_IN | MT_USB_TYPE_VENDOR, addr) & ~mask;
+ ___mt76u_wr(dev, MT_VEND_WRITE_EXT,
+ USB_DIR_OUT | MT_USB_TYPE_VENDOR, addr, val);
+ mutex_unlock(&dev->usb.usb_ctrl_mtx);
+
+ return val;
+}
+
+static void mt7921u_copy(struct mt76_dev *dev, u32 offset,
+ const void *data, int len)
+{
+ struct mt76_usb *usb = &dev->usb;
+ int ret, i = 0, batch_len;
+ const u8 *val = data;
+
+ len = round_up(len, 4);
+
+ mutex_lock(&usb->usb_ctrl_mtx);
+ while (i < len) {
+ batch_len = min_t(int, usb->data_len, len - i);
+ memcpy(usb->data, val + i, batch_len);
+ ret = __mt76u_vendor_request(dev, MT_VEND_WRITE_EXT,
+ USB_DIR_OUT | MT_USB_TYPE_VENDOR,
+ (offset + i) >> 16, offset + i,
+ usb->data, batch_len);
+ if (ret < 0)
+ break;
+
+ i += batch_len;
+ }
+ mutex_unlock(&usb->usb_ctrl_mtx);
+}
+
+int mt7921u_mcu_power_on(struct mt7921_dev *dev)
+{
+ int ret;
+
+ ret = mt76u_vendor_request(&dev->mt76, MT_VEND_POWER_ON,
+ USB_DIR_OUT | MT_USB_TYPE_VENDOR,
+ 0x0, 0x1, NULL, 0);
+ if (ret)
+ return ret;
+
+ if (!mt76_poll_msec(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_PWR_ON,
+ MT_TOP_MISC2_FW_PWR_ON, 500)) {
+ dev_err(dev->mt76.dev, "Timeout for power on\n");
+ ret = -EIO;
+ }
+
+ return ret;
+}
+
+static int
+mt7921u_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
+ int cmd, int *seq)
+{
+ struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
+ u32 pad, ep;
+ int ret;
+
+ ret = mt7921_mcu_fill_message(mdev, skb, cmd, seq);
+ if (ret)
+ return ret;
+
+ if (cmd != MCU_CMD(FW_SCATTER))
+ ep = MT_EP_OUT_INBAND_CMD;
+ else
+ ep = MT_EP_OUT_AC_BE;
+
+ mt7921_skb_add_usb_sdio_hdr(dev, skb, 0);
+ pad = round_up(skb->len, 4) + 4 - skb->len;
+ __skb_put_zero(skb, pad);
+
+ ret = mt76u_bulk_msg(&dev->mt76, skb->data, skb->len, NULL,
+ 1000, ep);
+ dev_kfree_skb(skb);
+
+ return ret;
+}
+
+static int mt7921u_mcu_init(struct mt7921_dev *dev)
+{
+ static const struct mt76_mcu_ops mcu_ops = {
+ .headroom = MT_SDIO_HDR_SIZE + sizeof(struct mt7921_mcu_txd),
+ .tailroom = MT_USB_TAIL_SIZE,
+ .mcu_skb_send_msg = mt7921u_mcu_send_message,
+ .mcu_parse_response = mt7921_mcu_parse_response,
+ .mcu_restart = mt76_connac_mcu_restart,
+ };
+ int ret;
+
+ dev->mt76.mcu_ops = &mcu_ops;
+
+ mt76_set(dev, MT_UDMA_TX_QSEL, MT_FW_DL_EN);
+ ret = mt7921_run_firmware(dev);
+ if (ret)
+ return ret;
+
+ set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
+ mt76_clear(dev, MT_UDMA_TX_QSEL, MT_FW_DL_EN);
+
+ return 0;
+}
+
+static void mt7921u_stop(struct ieee80211_hw *hw)
+{
+ struct mt7921_dev *dev = mt7921_hw_dev(hw);
+
+ mt76u_stop_tx(&dev->mt76);
+ mt7921_stop(hw);
+}
+
+static void mt7921u_cleanup(struct mt7921_dev *dev)
+{
+ clear_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
+ mt7921u_wfsys_reset(dev);
+ mt7921_mcu_exit(dev);
+ mt76u_queues_deinit(&dev->mt76);
+}
+
+static int mt7921u_probe(struct usb_interface *usb_intf,
+ const struct usb_device_id *id)
+{
+ static const struct mt76_driver_ops drv_ops = {
+ .txwi_size = MT_SDIO_TXD_SIZE,
+ .drv_flags = MT_DRV_RX_DMA_HDR | MT_DRV_HW_MGMT_TXQ,
+ .survey_flags = SURVEY_INFO_TIME_TX |
+ SURVEY_INFO_TIME_RX |
+ SURVEY_INFO_TIME_BSS_RX,
+ .tx_prepare_skb = mt7921_usb_sdio_tx_prepare_skb,
+ .tx_complete_skb = mt7921_usb_sdio_tx_complete_skb,
+ .tx_status_data = mt7921_usb_sdio_tx_status_data,
+ .rx_skb = mt7921_queue_rx_skb,
+ .sta_ps = mt7921_sta_ps,
+ .sta_add = mt7921_mac_sta_add,
+ .sta_assoc = mt7921_mac_sta_assoc,
+ .sta_remove = mt7921_mac_sta_remove,
+ .update_survey = mt7921_update_channel,
+ };
+ static const struct mt7921_hif_ops hif_ops = {
+ .mcu_init = mt7921u_mcu_init,
+ .init_reset = mt7921u_init_reset,
+ .reset = mt7921u_mac_reset,
+ };
+ static struct mt76_bus_ops bus_ops = {
+ .rr = mt7921u_rr,
+ .wr = mt7921u_wr,
+ .rmw = mt7921u_rmw,
+ .read_copy = mt76u_read_copy,
+ .write_copy = mt7921u_copy,
+ .type = MT76_BUS_USB,
+ };
+ struct usb_device *udev = interface_to_usbdev(usb_intf);
+ struct ieee80211_ops *ops;
+ struct ieee80211_hw *hw;
+ struct mt7921_dev *dev;
+ struct mt76_dev *mdev;
+ int ret;
+
+ ops = devm_kmemdup(&usb_intf->dev, &mt7921_ops, sizeof(mt7921_ops),
+ GFP_KERNEL);
+ if (!ops)
+ return -ENOMEM;
+
+ ops->stop = mt7921u_stop;
+
+ mdev = mt76_alloc_device(&usb_intf->dev, sizeof(*dev), ops, &drv_ops);
+ if (!mdev)
+ return -ENOMEM;
+
+ dev = container_of(mdev, struct mt7921_dev, mt76);
+ dev->hif_ops = &hif_ops;
+
+ udev = usb_get_dev(udev);
+ usb_reset_device(udev);
+
+ usb_set_intfdata(usb_intf, dev);
+
+ ret = __mt76u_init(mdev, usb_intf, &bus_ops);
+ if (ret < 0)
+ goto error;
+
+ mdev->rev = (mt76_rr(dev, MT_HW_CHIPID) << 16) |
+ (mt76_rr(dev, MT_HW_REV) & 0xff);
+ dev_dbg(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
+
+ if (mt76_get_field(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_N9_RDY)) {
+ ret = mt7921u_wfsys_reset(dev);
+ if (ret)
+ goto error;
+ }
+
+ ret = mt7921u_mcu_power_on(dev);
+ if (ret)
+ goto error;
+
+ ret = mt76u_alloc_mcu_queue(&dev->mt76);
+ if (ret)
+ goto error;
+
+ ret = mt76u_alloc_queues(&dev->mt76);
+ if (ret)
+ goto error;
+
+ ret = mt7921u_dma_init(dev);
+ if (ret)
+ return ret;
+
+ hw = mt76_hw(dev);
+ /* check hw sg support in order to enable AMSDU */
+ hw->max_tx_fragments = mdev->usb.sg_en ? MT_HW_TXP_MAX_BUF_NUM : 1;
+
+ ret = mt7921_register_device(dev);
+ if (ret)
+ goto error;
+
+ return 0;
+
+error:
+ mt76u_queues_deinit(&dev->mt76);
+
+ usb_set_intfdata(usb_intf, NULL);
+ usb_put_dev(interface_to_usbdev(usb_intf));
+
+ mt76_free_device(&dev->mt76);
+
+ return ret;
+}
+
+static void mt7921u_disconnect(struct usb_interface *usb_intf)
+{
+ struct mt7921_dev *dev = usb_get_intfdata(usb_intf);
+
+ if (!test_bit(MT76_STATE_INITIALIZED, &dev->mphy.state))
+ return;
+
+ mt76_unregister_device(&dev->mt76);
+ mt7921u_cleanup(dev);
+
+ usb_set_intfdata(usb_intf, NULL);
+ usb_put_dev(interface_to_usbdev(usb_intf));
+
+ mt76_free_device(&dev->mt76);
+}
+
+MODULE_DEVICE_TABLE(usb, mt7921u_device_table);
+MODULE_FIRMWARE(MT7921_FIRMWARE_WM);
+MODULE_FIRMWARE(MT7921_ROM_PATCH);
+
+static struct usb_driver mt7921u_driver = {
+ .name = KBUILD_MODNAME,
+ .id_table = mt7921u_device_table,
+ .probe = mt7921u_probe,
+ .disconnect = mt7921u_disconnect,
+ .soft_unbind = 1,
+ .disable_hub_initiated_lpm = 1,
+};
+module_usb_driver(mt7921u_driver);
+
+MODULE_AUTHOR("Lorenzo Bianconi <lorenzo@kernel.org>");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/usb_mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/usb_mac.c
new file mode 100644
index 000000000000..99bcbd858b65
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/usb_mac.c
@@ -0,0 +1,252 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2022 MediaTek Inc.
+ *
+ * Author: Lorenzo Bianconi <lorenzo@kernel.org>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+
+#include "mt7921.h"
+#include "mcu.h"
+#include "mac.h"
+
+static u32 mt7921u_uhw_rr(struct mt76_dev *dev, u32 addr)
+{
+ u32 ret;
+
+ mutex_lock(&dev->usb.usb_ctrl_mtx);
+ ret = ___mt76u_rr(dev, MT_VEND_DEV_MODE,
+ USB_DIR_IN | MT_USB_TYPE_UHW_VENDOR, addr);
+ mutex_unlock(&dev->usb.usb_ctrl_mtx);
+
+ return ret;
+}
+
+static void mt7921u_uhw_wr(struct mt76_dev *dev, u32 addr, u32 val)
+{
+ mutex_lock(&dev->usb.usb_ctrl_mtx);
+ ___mt76u_wr(dev, MT_VEND_WRITE,
+ USB_DIR_OUT | MT_USB_TYPE_UHW_VENDOR, addr, val);
+ mutex_unlock(&dev->usb.usb_ctrl_mtx);
+}
+
+static void mt7921u_dma_prefetch(struct mt7921_dev *dev)
+{
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(0),
+ MT_WPDMA0_MAX_CNT_MASK, 4);
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(0),
+ MT_WPDMA0_BASE_PTR_MASK, 0x80);
+
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(1),
+ MT_WPDMA0_MAX_CNT_MASK, 4);
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(1),
+ MT_WPDMA0_BASE_PTR_MASK, 0xc0);
+
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(2),
+ MT_WPDMA0_MAX_CNT_MASK, 4);
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(2),
+ MT_WPDMA0_BASE_PTR_MASK, 0x100);
+
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(3),
+ MT_WPDMA0_MAX_CNT_MASK, 4);
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(3),
+ MT_WPDMA0_BASE_PTR_MASK, 0x140);
+
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(4),
+ MT_WPDMA0_MAX_CNT_MASK, 4);
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(4),
+ MT_WPDMA0_BASE_PTR_MASK, 0x180);
+
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(16),
+ MT_WPDMA0_MAX_CNT_MASK, 4);
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(16),
+ MT_WPDMA0_BASE_PTR_MASK, 0x280);
+
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(17),
+ MT_WPDMA0_MAX_CNT_MASK, 4);
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(17),
+ MT_WPDMA0_BASE_PTR_MASK, 0x2c0);
+}
+
+static void mt7921u_wfdma_init(struct mt7921_dev *dev)
+{
+ mt7921u_dma_prefetch(dev);
+
+ mt76_clear(dev, MT_UWFDMA0_GLO_CFG, MT_WFDMA0_GLO_CFG_OMIT_RX_INFO);
+ mt76_set(dev, MT_UWFDMA0_GLO_CFG,
+ MT_WFDMA0_GLO_CFG_OMIT_TX_INFO |
+ MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2 |
+ MT_WFDMA0_GLO_CFG_FW_DWLD_BYPASS_DMASHDL |
+ MT_WFDMA0_GLO_CFG_TX_DMA_EN |
+ MT_WFDMA0_GLO_CFG_RX_DMA_EN);
+
+ /* disable dmashdl */
+ mt76_clear(dev, MT_UWFDMA0_GLO_CFG_EXT0,
+ MT_WFDMA0_CSR_TX_DMASHDL_ENABLE);
+ mt76_set(dev, MT_DMASHDL_SW_CONTROL, MT_DMASHDL_DMASHDL_BYPASS);
+
+ mt76_set(dev, MT_WFDMA_DUMMY_CR, MT_WFDMA_NEED_REINIT);
+}
+
+static int mt7921u_dma_rx_evt_ep4(struct mt7921_dev *dev)
+{
+ if (!mt76_poll(dev, MT_UWFDMA0_GLO_CFG,
+ MT_WFDMA0_GLO_CFG_RX_DMA_BUSY, 0, 1000))
+ return -ETIMEDOUT;
+
+ mt76_clear(dev, MT_UWFDMA0_GLO_CFG, MT_WFDMA0_GLO_CFG_RX_DMA_EN);
+ mt76_set(dev, MT_WFDMA_HOST_CONFIG,
+ MT_WFDMA_HOST_CONFIG_USB_RXEVT_EP4_EN);
+ mt76_set(dev, MT_UWFDMA0_GLO_CFG, MT_WFDMA0_GLO_CFG_RX_DMA_EN);
+
+ return 0;
+}
+
+static void mt7921u_epctl_rst_opt(struct mt7921_dev *dev, bool reset)
+{
+ u32 val;
+
+ /* usb endpoint reset opt
+ * bits[4,9]: out blk ep 4-9
+ * bits[20,21]: in blk ep 4-5
+ * bits[22]: in int ep 6
+ */
+ val = mt7921u_uhw_rr(&dev->mt76, MT_SSUSB_EPCTL_CSR_EP_RST_OPT);
+ if (reset)
+ val |= GENMASK(9, 4) | GENMASK(22, 20);
+ else
+ val &= ~(GENMASK(9, 4) | GENMASK(22, 20));
+ mt7921u_uhw_wr(&dev->mt76, MT_SSUSB_EPCTL_CSR_EP_RST_OPT, val);
+}
+
+int mt7921u_dma_init(struct mt7921_dev *dev)
+{
+ int err;
+
+ mt7921u_wfdma_init(dev);
+
+ mt76_clear(dev, MT_UDMA_WLCFG_0, MT_WL_RX_FLUSH);
+
+ mt76_set(dev, MT_UDMA_WLCFG_0,
+ MT_WL_RX_EN | MT_WL_TX_EN |
+ MT_WL_RX_MPSZ_PAD0 | MT_TICK_1US_EN);
+ mt76_clear(dev, MT_UDMA_WLCFG_0,
+ MT_WL_RX_AGG_TO | MT_WL_RX_AGG_LMT);
+ mt76_clear(dev, MT_UDMA_WLCFG_1, MT_WL_RX_AGG_PKT_LMT);
+
+ err = mt7921u_dma_rx_evt_ep4(dev);
+ if (err)
+ return err;
+
+ mt7921u_epctl_rst_opt(dev, false);
+
+ return 0;
+}
+
+int mt7921u_wfsys_reset(struct mt7921_dev *dev)
+{
+ u32 val;
+ int i;
+
+ mt7921u_epctl_rst_opt(dev, false);
+
+ val = mt7921u_uhw_rr(&dev->mt76, MT_CBTOP_RGU_WF_SUBSYS_RST);
+ val |= MT_CBTOP_RGU_WF_SUBSYS_RST_WF_WHOLE_PATH;
+ mt7921u_uhw_wr(&dev->mt76, MT_CBTOP_RGU_WF_SUBSYS_RST, val);
+
+ usleep_range(10, 20);
+
+ val = mt7921u_uhw_rr(&dev->mt76, MT_CBTOP_RGU_WF_SUBSYS_RST);
+ val &= ~MT_CBTOP_RGU_WF_SUBSYS_RST_WF_WHOLE_PATH;
+ mt7921u_uhw_wr(&dev->mt76, MT_CBTOP_RGU_WF_SUBSYS_RST, val);
+
+ mt7921u_uhw_wr(&dev->mt76, MT_UDMA_CONN_INFRA_STATUS_SEL, 0);
+ for (i = 0; i < MT7921_WFSYS_INIT_RETRY_COUNT; i++) {
+ val = mt7921u_uhw_rr(&dev->mt76, MT_UDMA_CONN_INFRA_STATUS);
+ if (val & MT_UDMA_CONN_WFSYS_INIT_DONE)
+ break;
+
+ msleep(100);
+ }
+
+ if (i == MT7921_WFSYS_INIT_RETRY_COUNT)
+ return -ETIMEDOUT;
+
+ return 0;
+}
+
+int mt7921u_init_reset(struct mt7921_dev *dev)
+{
+ set_bit(MT76_RESET, &dev->mphy.state);
+
+ wake_up(&dev->mt76.mcu.wait);
+ mt7921_mcu_exit(dev);
+
+ mt76u_stop_rx(&dev->mt76);
+ mt76u_stop_tx(&dev->mt76);
+
+ mt7921u_wfsys_reset(dev);
+
+ clear_bit(MT76_RESET, &dev->mphy.state);
+
+ return mt76u_resume_rx(&dev->mt76);
+}
+
+int mt7921u_mac_reset(struct mt7921_dev *dev)
+{
+ int err;
+
+ mt76_txq_schedule_all(&dev->mphy);
+ mt76_worker_disable(&dev->mt76.tx_worker);
+
+ set_bit(MT76_RESET, &dev->mphy.state);
+ set_bit(MT76_MCU_RESET, &dev->mphy.state);
+
+ wake_up(&dev->mt76.mcu.wait);
+ mt7921_mcu_exit(dev);
+
+ mt76u_stop_rx(&dev->mt76);
+ mt76u_stop_tx(&dev->mt76);
+
+ mt7921u_wfsys_reset(dev);
+
+ clear_bit(MT76_MCU_RESET, &dev->mphy.state);
+ err = mt76u_resume_rx(&dev->mt76);
+ if (err)
+ goto out;
+
+ err = mt7921u_mcu_power_on(dev);
+ if (err)
+ goto out;
+
+ err = mt7921u_dma_init(dev);
+ if (err)
+ goto out;
+
+ mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE);
+ mt76_set(dev, MT_UDMA_TX_QSEL, MT_FW_DL_EN);
+
+ err = mt7921_run_firmware(dev);
+ if (err)
+ goto out;
+
+ mt76_clear(dev, MT_UDMA_TX_QSEL, MT_FW_DL_EN);
+
+ err = mt7921_mcu_set_eeprom(dev);
+ if (err)
+ goto out;
+
+ err = mt7921_mac_init(dev);
+ if (err)
+ goto out;
+
+ err = __mt7921_start(&dev->phy);
+out:
+ clear_bit(MT76_RESET, &dev->mphy.state);
+
+ mt76_worker_enable(&dev->mt76.tx_worker);
+
+ return err;
+}
--
2.35.1
^ permalink raw reply related [flat|nested] 10+ messages in thread