[][MAC80211][WiFi6][app][Add atenl support for cheetah]

[Description]
Add atenl support for cheetah

[Release-log]
N/A

Change-Id: I0e543c138c9d7a189acb10efb97c9066a93909b8
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/8188100
diff --git a/feed/atenl/src/atenl.h b/feed/atenl/src/atenl.h
index 60feaf4..a5f9fbb 100644
--- a/feed/atenl/src/atenl.h
+++ b/feed/atenl/src/atenl.h
@@ -270,7 +270,7 @@
 	MT_EE_BAND_SEL_DUAL,
 };
 
-/* for mt7916/mt7986 */
+/* for mt7916/mt7981/mt7986 */
 enum {
 	MT_EE_BAND_SEL_2G,
 	MT_EE_BAND_SEL_5G,
@@ -400,6 +400,11 @@
 	return (an->chip_id == 0x7916) || (an->chip_id == 0x7906);
 }
 
+static inline bool is_mt7981(struct atenl *an)
+{
+	return an->chip_id == 0x7981;
+}
+
 static inline bool is_mt7986(struct atenl *an)
 {
 	return an->chip_id == 0x7986;
diff --git a/feed/atenl/src/eeprom.c b/feed/atenl/src/eeprom.c
index 706a7b0..d7a2467 100644
--- a/feed/atenl/src/eeprom.c
+++ b/feed/atenl/src/eeprom.c
@@ -117,7 +117,7 @@
 
 	if (is_mt7915(an)) {
 		an->adie_id = 0x7975;
-	} else if (is_mt7916(an)) {
+	} else if (is_mt7916(an) || is_mt7981(an)) {
 		an->adie_id = 0x7976;
 	} else if (is_mt7986(an)) {
 		bool is_7975 = false;
@@ -164,6 +164,7 @@
 		break;
 	case 0x7906:
 	case 0x7916:
+	case 0x7981:
 	case 0x7986:
 		an->eeprom_size = 4096;
 		an->eeprom_prek_offs = 0x19a;
@@ -209,7 +210,7 @@
 			anb->valid = true;
 			anb->cap = BAND_TYPE_5G;
 		}
-	} else if (is_mt7916(an) || is_mt7986(an)) {
+	} else if (is_mt7916(an) || is_mt7981(an) || is_mt7986(an)) {
 		struct atenl_band *anb;
 		u8 val, band_sel;
 		int i;
@@ -316,6 +317,10 @@
 		an->anb[0].chainmask = 0x3;
 		an->anb[1].chainmask = 0x3;
 		break;
+	case 0x7981:
+		an->anb[0].chainmask = 0x3;
+		an->anb[1].chainmask = 0x7;
+		break;
 	case 0x7986:
 		an->anb[0].chainmask = 0xf;
 		an->anb[1].chainmask = 0xf;