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@xxxxxxxxxxxx>
Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
---
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 5e10fe156926..9b2aee9b6ad7 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@xxxxxxxxx>");
--
2.35.1
