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wifi: mt76: mt792x: introduce mt792x-usb module

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Add usb shared code between mt7921 and mt7925 chipset to mt792x-usb module.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi
2023-06-28 15:07:19 +08:00
committed by Felix Fietkau
parent 29f5a494f7
commit d28e1a4895
8 changed files with 208 additions and 188 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/wireless/mediatek/mt76/Kconfig
View File

@@ -33,6 +33,10 @@ config MT792x_LIB
tristate
select MT76_CONNAC_LIB
config MT792x_USB
tristate
select MT76_USB
source "drivers/net/wireless/mediatek/mt76/mt76x0/Kconfig"
source "drivers/net/wireless/mediatek/mt76/mt76x2/Kconfig"
source "drivers/net/wireless/mediatek/mt76/mt7603/Kconfig"

2
drivers/net/wireless/mediatek/mt76/Makefile
View File

@@ -6,6 +6,7 @@ obj-$(CONFIG_MT76x02_LIB) += mt76x02-lib.o
obj-$(CONFIG_MT76x02_USB) += mt76x02-usb.o
obj-$(CONFIG_MT76_CONNAC_LIB) += mt76-connac-lib.o
obj-$(CONFIG_MT792x_LIB) += mt792x-lib.o
obj-$(CONFIG_MT792x_USB) += mt792x-usb.o
mt76-y := \
mmio.o util.o trace.o dma.o mac80211.o debugfs.o eeprom.o \
@@ -34,6 +35,7 @@ mt76-connac-lib-y := mt76_connac_mcu.o mt76_connac_mac.o mt76_connac3_mac.o
mt792x-lib-y := mt792x_core.o mt792x_mac.o mt792x_trace.o \
mt792x_debugfs.o mt792x_dma.o
mt792x-lib-$(CONFIG_ACPI) += mt792x_acpi_sar.o
mt792x-usb-y := mt792x_usb.o
obj-$(CONFIG_MT76x0_COMMON) += mt76x0/
obj-$(CONFIG_MT76x2_COMMON) += mt76x2/

2
drivers/net/wireless/mediatek/mt76/mt7921/Kconfig
View File

@@ -27,7 +27,7 @@ config MT7921S
config MT7921U
tristate "MediaTek MT7921U (USB) support"
select MT76_USB
select MT792x_USB
select MT7921_COMMON
depends on MAC80211
depends on USB

2
drivers/net/wireless/mediatek/mt76/mt7921/Makefile
View File

@@ -9,4 +9,4 @@ mt7921-common-y := mac.o mcu.o main.o init.o debugfs.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
mt7921u-y := usb.o

8
drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
View File

@@ -332,14 +332,6 @@ void mt7921_usb_sdio_tx_complete_skb(struct mt76_dev *mdev,
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 mt792x_dev *dev);
int mt7921u_wfsys_reset(struct mt792x_dev *dev);
int mt7921u_dma_init(struct mt792x_dev *dev, bool resume);
int mt7921u_init_reset(struct mt792x_dev *dev);
int mt7921u_mac_reset(struct mt792x_dev *dev);
int mt7921_mcu_uni_add_beacon_offload(struct mt792x_dev *dev,
struct ieee80211_hw *hw,
struct ieee80211_vif *vif,

162
drivers/net/wireless/mediatek/mt76/mt7921/usb.c
View File

@@ -24,83 +24,6 @@ static const struct usb_device_id mt7921u_device_table[] = {
{ },
};
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 mt792x_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)
@@ -155,6 +78,63 @@ static int mt7921u_mcu_init(struct mt792x_dev *dev)
return 0;
}
static int mt7921u_mac_reset(struct mt792x_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);
skb_queue_purge(&dev->mt76.mcu.res_q);
mt76u_stop_rx(&dev->mt76);
mt76u_stop_tx(&dev->mt76);
mt792xu_wfsys_reset(dev);
clear_bit(MT76_MCU_RESET, &dev->mphy.state);
err = mt76u_resume_rx(&dev->mt76);
if (err)
goto out;
err = mt792xu_mcu_power_on(dev);
if (err)
goto out;
err = mt792xu_dma_init(dev, false);
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;
}
static void mt7921u_stop(struct ieee80211_hw *hw)
{
struct mt792x_dev *dev = mt792x_hw_dev(hw);
@@ -163,14 +143,6 @@ static void mt7921u_stop(struct ieee80211_hw *hw)
mt7921_stop(hw);
}
static void mt7921u_cleanup(struct mt792x_dev *dev)
{
clear_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
mt7921u_wfsys_reset(dev);
skb_queue_purge(&dev->mt76.mcu.res_q);
mt76u_queues_deinit(&dev->mt76);
}
static int mt7921u_probe(struct usb_interface *usb_intf,
const struct usb_device_id *id)
{
@@ -193,15 +165,15 @@ static int mt7921u_probe(struct usb_interface *usb_intf,
};
static const struct mt792x_hif_ops hif_ops = {
.mcu_init = mt7921u_mcu_init,
.init_reset = mt7921u_init_reset,
.init_reset = mt792xu_init_reset,
.reset = mt7921u_mac_reset,
};
static struct mt76_bus_ops bus_ops = {
.rr = mt7921u_rr,
.wr = mt7921u_wr,
.rmw = mt7921u_rmw,
.rr = mt792xu_rr,
.wr = mt792xu_wr,
.rmw = mt792xu_rmw,
.read_copy = mt76u_read_copy,
.write_copy = mt7921u_copy,
.write_copy = mt792xu_copy,
.type = MT76_BUS_USB,
};
struct usb_device *udev = interface_to_usbdev(usb_intf);
@@ -240,12 +212,12 @@ static int mt7921u_probe(struct usb_interface *usb_intf,
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);
ret = mt792xu_wfsys_reset(dev);
if (ret)
goto error;
}
ret = mt7921u_mcu_power_on(dev);
ret = mt792xu_mcu_power_on(dev);
if (ret)
goto error;
@@ -257,7 +229,7 @@ static int mt7921u_probe(struct usb_interface *usb_intf,
if (ret)
goto error;
ret = mt7921u_dma_init(dev, false);
ret = mt792xu_dma_init(dev, false);
if (ret)
goto error;
@@ -291,7 +263,7 @@ static void mt7921u_disconnect(struct usb_interface *usb_intf)
return;
mt76_unregister_device(&dev->mt76);
mt7921u_cleanup(dev);
mt792xu_cleanup(dev);
usb_set_intfdata(usb_intf, NULL);
usb_put_dev(interface_to_usbdev(usb_intf));
@@ -350,7 +322,7 @@ static int mt7921u_resume(struct usb_interface *intf)
}
if (reinit || mt792x_dma_need_reinit(dev)) {
err = mt7921u_dma_init(dev, true);
err = mt792xu_dma_init(dev, true);
if (err)
goto failed;
}

13
drivers/net/wireless/mediatek/mt76/mt792x.h
View File

@@ -294,6 +294,19 @@ int mt792x_init_wcid(struct mt792x_dev *dev);
int mt792x_mcu_drv_pmctrl(struct mt792x_dev *dev);
int mt792x_mcu_fw_pmctrl(struct mt792x_dev *dev);
/* usb */
#define MT_USB_TYPE_VENDOR (USB_TYPE_VENDOR | 0x1f)
#define MT_USB_TYPE_UHW_VENDOR (USB_TYPE_VENDOR | 0x1e)
int mt792xu_dma_init(struct mt792x_dev *dev, bool resume);
int mt792xu_mcu_power_on(struct mt792x_dev *dev);
int mt792xu_wfsys_reset(struct mt792x_dev *dev);
int mt792xu_init_reset(struct mt792x_dev *dev);
u32 mt792xu_rr(struct mt76_dev *dev, u32 addr);
void mt792xu_wr(struct mt76_dev *dev, u32 addr, u32 val);
u32 mt792xu_rmw(struct mt76_dev *dev, u32 addr, u32 mask, u32 val);
void mt792xu_copy(struct mt76_dev *dev, u32 offset, const void *data, int len);
void mt792xu_cleanup(struct mt792x_dev *dev);
int __mt792xe_mcu_drv_pmctrl(struct mt792x_dev *dev);
int mt792xe_mcu_drv_pmctrl(struct mt792x_dev *dev);
int mt792xe_mcu_fw_pmctrl(struct mt792x_dev *dev);

203
drivers/net/wireless/mediatek/mt76/mt7921/usb_mac.c → drivers/net/wireless/mediatek/mt76/mt792x_usb.c
View File

@@ -1,5 +1,5 @@
// SPDX-License-Identifier: ISC
/* Copyright (C) 2022 MediaTek Inc.
/* Copyright (C) 2023 MediaTek Inc.
*
* Author: Lorenzo Bianconi <lorenzo@kernel.org>
*/
@@ -8,11 +8,99 @@
#include <linux/module.h>
#include <linux/usb.h>
#include "mt7921.h"
#include "mcu.h"
#include "../mt76_connac2_mac.h"
#include "mt792x.h"
#include "mt76_connac2_mac.h"
static u32 mt7921u_uhw_rr(struct mt76_dev *dev, u32 addr)
u32 mt792xu_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;
}
EXPORT_SYMBOL_GPL(mt792xu_rr);
void mt792xu_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);
}
EXPORT_SYMBOL_GPL(mt792xu_wr);
u32 mt792xu_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;
}
EXPORT_SYMBOL_GPL(mt792xu_rmw);
void mt792xu_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);
}
EXPORT_SYMBOL_GPL(mt792xu_copy);
int mt792xu_mcu_power_on(struct mt792x_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;
}
EXPORT_SYMBOL_GPL(mt792xu_mcu_power_on);
void mt792xu_cleanup(struct mt792x_dev *dev)
{
clear_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
mt792xu_wfsys_reset(dev);
skb_queue_purge(&dev->mt76.mcu.res_q);
mt76u_queues_deinit(&dev->mt76);
}
EXPORT_SYMBOL_GPL(mt792xu_cleanup);
static u32 mt792xu_uhw_rr(struct mt76_dev *dev, u32 addr)
{
u32 ret;
@@ -24,7 +112,7 @@ static u32 mt7921u_uhw_rr(struct mt76_dev *dev, u32 addr)
return ret;
}
static void mt7921u_uhw_wr(struct mt76_dev *dev, u32 addr, u32 val)
static void mt792xu_uhw_wr(struct mt76_dev *dev, u32 addr, u32 val)
{
mutex_lock(&dev->usb.usb_ctrl_mtx);
___mt76u_wr(dev, MT_VEND_WRITE,
@@ -32,7 +120,7 @@ static void mt7921u_uhw_wr(struct mt76_dev *dev, u32 addr, u32 val)
mutex_unlock(&dev->usb.usb_ctrl_mtx);
}
static void mt7921u_dma_prefetch(struct mt792x_dev *dev)
static void mt792xu_dma_prefetch(struct mt792x_dev *dev)
{
mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(0),
MT_WPDMA0_MAX_CNT_MASK, 4);
@@ -70,9 +158,9 @@ static void mt7921u_dma_prefetch(struct mt792x_dev *dev)
MT_WPDMA0_BASE_PTR_MASK, 0x2c0);
}
static void mt7921u_wfdma_init(struct mt792x_dev *dev)
static void mt792xu_wfdma_init(struct mt792x_dev *dev)
{
mt7921u_dma_prefetch(dev);
mt792xu_dma_prefetch(dev);
mt76_clear(dev, MT_UWFDMA0_GLO_CFG, MT_WFDMA0_GLO_CFG_OMIT_RX_INFO);
mt76_set(dev, MT_UWFDMA0_GLO_CFG,
@@ -90,7 +178,7 @@ static void mt7921u_wfdma_init(struct mt792x_dev *dev)
mt76_set(dev, MT_WFDMA_DUMMY_CR, MT_WFDMA_NEED_REINIT);
}
static int mt7921u_dma_rx_evt_ep4(struct mt792x_dev *dev)
static int mt792xu_dma_rx_evt_ep4(struct mt792x_dev *dev)
{
if (!mt76_poll(dev, MT_UWFDMA0_GLO_CFG,
MT_WFDMA0_GLO_CFG_RX_DMA_BUSY, 0, 1000))
@@ -104,7 +192,7 @@ static int mt7921u_dma_rx_evt_ep4(struct mt792x_dev *dev)
return 0;
}
static void mt7921u_epctl_rst_opt(struct mt792x_dev *dev, bool reset)
static void mt792xu_epctl_rst_opt(struct mt792x_dev *dev, bool reset)
{
u32 val;
@@ -113,19 +201,19 @@ static void mt7921u_epctl_rst_opt(struct mt792x_dev *dev, bool reset)
* 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);
val = mt792xu_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);
mt792xu_uhw_wr(&dev->mt76, MT_SSUSB_EPCTL_CSR_EP_RST_OPT, val);
}
int mt7921u_dma_init(struct mt792x_dev *dev, bool resume)
int mt792xu_dma_init(struct mt792x_dev *dev, bool resume)
{
int err;
mt7921u_wfdma_init(dev);
mt792xu_wfdma_init(dev);
mt76_clear(dev, MT_UDMA_WLCFG_0, MT_WL_RX_FLUSH);
@@ -139,35 +227,36 @@ int mt7921u_dma_init(struct mt792x_dev *dev, bool resume)
if (resume)
return 0;
err = mt7921u_dma_rx_evt_ep4(dev);
err = mt792xu_dma_rx_evt_ep4(dev);
if (err)
return err;
mt7921u_epctl_rst_opt(dev, false);
mt792xu_epctl_rst_opt(dev, false);
return 0;
}
EXPORT_SYMBOL_GPL(mt792xu_dma_init);
int mt7921u_wfsys_reset(struct mt792x_dev *dev)
int mt792xu_wfsys_reset(struct mt792x_dev *dev)
{
u32 val;
int i;
mt7921u_epctl_rst_opt(dev, false);
mt792xu_epctl_rst_opt(dev, false);
val = mt7921u_uhw_rr(&dev->mt76, MT_CBTOP_RGU_WF_SUBSYS_RST);
val = mt792xu_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);
mt792xu_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 = mt792xu_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);
mt792xu_uhw_wr(&dev->mt76, MT_CBTOP_RGU_WF_SUBSYS_RST, val);
mt7921u_uhw_wr(&dev->mt76, MT_UDMA_CONN_INFRA_STATUS_SEL, 0);
mt792xu_uhw_wr(&dev->mt76, MT_UDMA_CONN_INFRA_STATUS_SEL, 0);
for (i = 0; i < MT792x_WFSYS_INIT_RETRY_COUNT; i++) {
val = mt7921u_uhw_rr(&dev->mt76, MT_UDMA_CONN_INFRA_STATUS);
val = mt792xu_uhw_rr(&dev->mt76, MT_UDMA_CONN_INFRA_STATUS);
if (val & MT_UDMA_CONN_WFSYS_INIT_DONE)
break;
@@ -179,8 +268,9 @@ int mt7921u_wfsys_reset(struct mt792x_dev *dev)
return 0;
}
EXPORT_SYMBOL_GPL(mt792xu_wfsys_reset);
int mt7921u_init_reset(struct mt792x_dev *dev)
int mt792xu_init_reset(struct mt792x_dev *dev)
{
set_bit(MT76_RESET, &dev->mphy.state);
@@ -190,66 +280,13 @@ int mt7921u_init_reset(struct mt792x_dev *dev)
mt76u_stop_rx(&dev->mt76);
mt76u_stop_tx(&dev->mt76);
mt7921u_wfsys_reset(dev);
mt792xu_wfsys_reset(dev);
clear_bit(MT76_RESET, &dev->mphy.state);
return mt76u_resume_rx(&dev->mt76);
}
EXPORT_SYMBOL_GPL(mt792xu_init_reset);
int mt7921u_mac_reset(struct mt792x_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);
skb_queue_purge(&dev->mt76.mcu.res_q);
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, false);
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;
}
MODULE_LICENSE("Dual BSD/GPL");
MODULE_AUTHOR("Lorenzo Bianconi <lorenzo@kernel.org>");