wifi: mt76: mt7921: add MT7902 MCU support

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>

diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac.h b/drivers/net/wireless/mediatek/mt76/mt76_connac.h
index d868bb7c7ab8916d80ecae6a4b3f830e511066d5..51423c7740bd2bc8bf77f06abcbecd0aa827a550 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac.h
@@ -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)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
index 29732315af1cd05f07d6836f8c359bed73e483a9..8e779070219187d1c0dc65e3b143b1fe3b0c95e1 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
@@ -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;

diff --git a/drivers/net/wireless/mediatek/mt76/mt792x.h b/drivers/net/wireless/mediatek/mt76/mt792x.h
index 8388638ed550aace7df2119d14f8c8322bbaa3eb..1f381ab356bc09ca3720415c8abb6e721bc0e93a 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt792x.h
+++ b/drivers/net/wireless/mediatek/mt76/mt792x.h
@@ -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: