| Message ID | 20230512061220.16544-2-pkshih@realtek.com |
|---|---|
| State | New |
| Headers | show |
| Series | wifi: rtw89: 8851b: add more chip_ops to support 8851b | expand |
Ping-Ke Shih <pkshih@realtek.com> wrote: > 8851B hardware version A and B use different firmware, but register version > code of these two are the same, so add this helper to read efuse version to > determine which version is installed. > > Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> 6 patches applied to wireless-next.git, thanks. 40bb2ab49c36 wifi: rtw89: 8851b: add to read efuse version to recognize hardware version B f03bd0429f9b wifi: rtw89: 8851b: configure GPIO according to RFE type 4885b17ebb92 wifi: rtw89: 8851b: add BT coexistence support function 31df6df89f93 wifi: rtw89: 8851b: add basic power on function e948213fb856 wifi: rtw89: 8851b: add set channel function f4244d7fbc91 wifi: rtw89: 8851b: add to parse efuse content
diff --git a/drivers/net/wireless/realtek/rtw89/efuse.c b/drivers/net/wireless/realtek/rtw89/efuse.c index 7bd4f8558e03b..2aaf4d013e464 100644 --- a/drivers/net/wireless/realtek/rtw89/efuse.c +++ b/drivers/net/wireless/realtek/rtw89/efuse.c @@ -7,6 +7,10 @@ #include "mac.h" #include "reg.h" +#define EF_FV_OFSET 0x5ea +#define EF_CV_MASK GENMASK(7, 4) +#define EF_CV_INV 15 + enum rtw89_efuse_bank { RTW89_EFUSE_BANK_WIFI, RTW89_EFUSE_BANK_BT, @@ -328,3 +332,20 @@ int rtw89_parse_phycap_map(struct rtw89_dev *rtwdev) return ret; } + +int rtw89_read_efuse_ver(struct rtw89_dev *rtwdev, u8 *ecv) +{ + int ret; + u8 val; + + ret = rtw89_dump_physical_efuse_map(rtwdev, &val, EF_FV_OFSET, 1, false); + if (ret) + return ret; + + *ecv = u8_get_bits(val, EF_CV_MASK); + if (*ecv == EF_CV_INV) + return -ENOENT; + + return 0; +} +EXPORT_SYMBOL(rtw89_read_efuse_ver); diff --git a/drivers/net/wireless/realtek/rtw89/efuse.h b/drivers/net/wireless/realtek/rtw89/efuse.h index 622ff95e74763..79071aff28de3 100644 --- a/drivers/net/wireless/realtek/rtw89/efuse.h +++ b/drivers/net/wireless/realtek/rtw89/efuse.h @@ -9,5 +9,6 @@ int rtw89_parse_efuse_map(struct rtw89_dev *rtwdev); int rtw89_parse_phycap_map(struct rtw89_dev *rtwdev); +int rtw89_read_efuse_ver(struct rtw89_dev *rtwdev, u8 *efv); #endif
8851B hardware version A and B use different firmware, but register version code of these two are the same, so add this helper to read efuse version to determine which version is installed. Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> --- drivers/net/wireless/realtek/rtw89/efuse.c | 21 +++++++++++++++++++++ drivers/net/wireless/realtek/rtw89/efuse.h | 1 + 2 files changed, 22 insertions(+)