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wifi: mt76: mt7921: add MT7902 MCU support

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Add MCU support for the MT7902 chipset.

runtime pm is not yet supported by the driver, but normal mac80211
operation is unaffected.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Link: https://patch.msgid.link/20260219004007.19733-8-sean.wang@kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Sean Wang 2026-02-18 18:40:04 -06:00 committed by Felix Fietkau
parent 9eef868b86
commit 6d32fb2576
3 changed files with 16 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/net/wireless/mediatek/mt76/mt76_connac.h
View File

@ -182,6 +182,11 @@ static inline bool is_mt7920(struct mt76_dev *dev)
return mt76_chip(dev) == 0x7920;
}
static inline bool is_mt7902(struct mt76_dev *dev)
{
return mt76_chip(dev) == 0x7902;
}
static inline bool is_mt7922(struct mt76_dev *dev)
{
return mt76_chip(dev) == 0x7922;
@ -189,7 +194,8 @@ static inline bool is_mt7922(struct mt76_dev *dev)
static inline bool is_connac2(struct mt76_dev *dev)
{
return mt76_chip(dev) == 0x7961 || is_mt7922(dev) || is_mt7920(dev);
return mt76_chip(dev) == 0x7961 || is_mt7922(dev) || is_mt7920(dev) ||
is_mt7902(dev);
}
static inline bool is_mt7663(struct mt76_dev *dev)

4
drivers/net/wireless/mediatek/mt76/mt7921/init.c
View File

@ -302,7 +302,9 @@ int mt7921_register_device(struct mt792x_dev *dev)
dev->pm.idle_timeout = MT792x_PM_TIMEOUT;
dev->pm.stats.last_wake_event = jiffies;
dev->pm.stats.last_doze_event = jiffies;
if (!mt76_is_usb(&dev->mt76)) {
if (!mt76_is_usb(&dev->mt76) &&
!is_mt7902(&dev->mt76)) {
dev->pm.enable_user = true;
dev->pm.enable = true;
dev->pm.ds_enable_user = true;

6
drivers/net/wireless/mediatek/mt76/mt792x.h
View File

@ -41,11 +41,13 @@
#define MT792x_MCU_INIT_RETRY_COUNT 10
#define MT792x_WFSYS_INIT_RETRY_COUNT 2
#define MT7902_FIRMWARE_WM "mediatek/WIFI_RAM_CODE_MT7902_1.bin"
#define MT7920_FIRMWARE_WM "mediatek/WIFI_RAM_CODE_MT7961_1a.bin"
#define MT7921_FIRMWARE_WM "mediatek/WIFI_RAM_CODE_MT7961_1.bin"
#define MT7922_FIRMWARE_WM "mediatek/WIFI_RAM_CODE_MT7922_1.bin"
#define MT7925_FIRMWARE_WM "mediatek/mt7925/WIFI_RAM_CODE_MT7925_1_1.bin"
#define MT7902_ROM_PATCH "mediatek/WIFI_MT7902_patch_mcu_1_1_hdr.bin"
#define MT7920_ROM_PATCH "mediatek/WIFI_MT7961_patch_mcu_1a_2_hdr.bin"
#define MT7921_ROM_PATCH "mediatek/WIFI_MT7961_patch_mcu_1_2_hdr.bin"
#define MT7922_ROM_PATCH "mediatek/WIFI_MT7922_patch_mcu_1_1_hdr.bin"
@ -448,6 +450,8 @@ void mt792x_config_mac_addr_list(struct mt792x_dev *dev);
static inline char *mt792x_ram_name(struct mt792x_dev *dev)
{
switch (mt76_chip(&dev->mt76)) {
case 0x7902:
return MT7902_FIRMWARE_WM;
case 0x7920:
return MT7920_FIRMWARE_WM;
case 0x7922:
@ -462,6 +466,8 @@ static inline char *mt792x_ram_name(struct mt792x_dev *dev)
static inline char *mt792x_patch_name(struct mt792x_dev *dev)
{
switch (mt76_chip(&dev->mt76)) {
case 0x7902:
return MT7902_ROM_PATCH;
case 0x7920:
return MT7920_ROM_PATCH;
case 0x7922: