| Message ID | 20230218152944.48842-4-martin.blumenstingl@googlemail.com |
|---|---|
| State | New |
| Headers | show |
| Series | rtw88: Add additional SDIO support bits | expand |
> -----Original Message----- > From: Martin Blumenstingl <martin.blumenstingl@googlemail.com> > Sent: Saturday, February 18, 2023 11:30 PM > To: linux-wireless@vger.kernel.org > Cc: tony0620emma@gmail.com; kvalo@kernel.org; netdev@vger.kernel.org; linux-kernel@vger.kernel.org; Neo > Jou <neojou@gmail.com>; Jernej Skrabec <jernej.skrabec@gmail.com>; Ping-Ke Shih <pkshih@realtek.com>; > Martin Blumenstingl <martin.blumenstingl@googlemail.com> > Subject: [PATCH v2 3/5] wifi: rtw88: rtw8821c: Implement RTL8821CS (SDIO) efuse parsing > > The efuse of the SDIO RTL8821CS chip has only one known member: the mac > address is at offset 0x11a. Add a struct rtw8821cs_efuse describing this > and use it for copying the mac address when the SDIO bus is used. > > Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Reviewed-by: Ping-Ke Shih <pkshih@realtek.com> > --- > changes from v1 -> v2: > - add the new function/union member/case statement last (after USB) > > > drivers/net/wireless/realtek/rtw88/rtw8821c.c | 9 +++++++++ > drivers/net/wireless/realtek/rtw88/rtw8821c.h | 6 ++++++ > 2 files changed, 15 insertions(+) > > diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.c > b/drivers/net/wireless/realtek/rtw88/rtw8821c.c > index 17f800f6efbd..7ae0541d7b99 100644 > --- a/drivers/net/wireless/realtek/rtw88/rtw8821c.c > +++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.c > @@ -32,6 +32,12 @@ static void rtw8821cu_efuse_parsing(struct rtw_efuse *efuse, > ether_addr_copy(efuse->addr, map->u.mac_addr); > } > > +static void rtw8821cs_efuse_parsing(struct rtw_efuse *efuse, > + struct rtw8821c_efuse *map) > +{ > + ether_addr_copy(efuse->addr, map->s.mac_addr); > +} > + > enum rtw8821ce_rf_set { > SWITCH_TO_BTG, > SWITCH_TO_WLG, > @@ -77,6 +83,9 @@ static int rtw8821c_read_efuse(struct rtw_dev *rtwdev, u8 *log_map) > case RTW_HCI_TYPE_USB: > rtw8821cu_efuse_parsing(efuse, map); > break; > + case RTW_HCI_TYPE_SDIO: > + rtw8821cs_efuse_parsing(efuse, map); > + break; > default: > /* unsupported now */ > return -ENOTSUPP; > diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.h > b/drivers/net/wireless/realtek/rtw88/rtw8821c.h > index 1c81260f3a54..fcff31688c45 100644 > --- a/drivers/net/wireless/realtek/rtw88/rtw8821c.h > +++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.h > @@ -65,6 +65,11 @@ struct rtw8821ce_efuse { > u8 res7; > }; > > +struct rtw8821cs_efuse { > + u8 res4[0x4a]; /* 0xd0 */ > + u8 mac_addr[ETH_ALEN]; /* 0x11a */ > +} __packed; > + > struct rtw8821c_efuse { > __le16 rtl_id; > u8 res0[0x0e]; > @@ -94,6 +99,7 @@ struct rtw8821c_efuse { > union { > struct rtw8821ce_efuse e; > struct rtw8821cu_efuse u; > + struct rtw8821cs_efuse s; > }; > }; > > -- > 2.39.2
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.c b/drivers/net/wireless/realtek/rtw88/rtw8821c.c index 17f800f6efbd..7ae0541d7b99 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8821c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.c @@ -32,6 +32,12 @@ static void rtw8821cu_efuse_parsing(struct rtw_efuse *efuse, ether_addr_copy(efuse->addr, map->u.mac_addr); } +static void rtw8821cs_efuse_parsing(struct rtw_efuse *efuse, + struct rtw8821c_efuse *map) +{ + ether_addr_copy(efuse->addr, map->s.mac_addr); +} + enum rtw8821ce_rf_set { SWITCH_TO_BTG, SWITCH_TO_WLG, @@ -77,6 +83,9 @@ static int rtw8821c_read_efuse(struct rtw_dev *rtwdev, u8 *log_map) case RTW_HCI_TYPE_USB: rtw8821cu_efuse_parsing(efuse, map); break; + case RTW_HCI_TYPE_SDIO: + rtw8821cs_efuse_parsing(efuse, map); + break; default: /* unsupported now */ return -ENOTSUPP; diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.h b/drivers/net/wireless/realtek/rtw88/rtw8821c.h index 1c81260f3a54..fcff31688c45 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8821c.h +++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.h @@ -65,6 +65,11 @@ struct rtw8821ce_efuse { u8 res7; }; +struct rtw8821cs_efuse { + u8 res4[0x4a]; /* 0xd0 */ + u8 mac_addr[ETH_ALEN]; /* 0x11a */ +} __packed; + struct rtw8821c_efuse { __le16 rtl_id; u8 res0[0x0e]; @@ -94,6 +99,7 @@ struct rtw8821c_efuse { union { struct rtw8821ce_efuse e; struct rtw8821cu_efuse u; + struct rtw8821cs_efuse s; }; };
The efuse of the SDIO RTL8821CS chip has only one known member: the mac address is at offset 0x11a. Add a struct rtw8821cs_efuse describing this and use it for copying the mac address when the SDIO bus is used. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> --- changes from v1 -> v2: - add the new function/union member/case statement last (after USB) drivers/net/wireless/realtek/rtw88/rtw8821c.c | 9 +++++++++ drivers/net/wireless/realtek/rtw88/rtw8821c.h | 6 ++++++ 2 files changed, 15 insertions(+)