| Message ID | 20221227233020.284266-7-martin.blumenstingl@googlemail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | rtw88: Add SDIO support | expand |
> -----Original Message----- > From: Martin Blumenstingl <martin.blumenstingl@googlemail.com> > Sent: Wednesday, December 28, 2022 7:30 AM > To: linux-wireless@vger.kernel.org > Cc: Yan-Hsuan Chuang <tony0620emma@gmail.com>; Kalle Valo <kvalo@kernel.org>; Ulf Hansson > <ulf.hansson@linaro.org>; linux-kernel@vger.kernel.org; netdev@vger.kernel.org; > linux-mmc@vger.kernel.org; Chris Morgan <macroalpha82@gmail.com>; Nitin Gupta <nitin.gupta981@gmail.com>; > Neo Jou <neojou@gmail.com>; Ping-Ke Shih <pkshih@realtek.com>; Jernej Skrabec <jernej.skrabec@gmail.com>; > Martin Blumenstingl <martin.blumenstingl@googlemail.com> > Subject: [RFC PATCH v1 06/19] rtw88: rtw8821c: Add support for parsing the RTL8821CS (SDIO) efuse > > 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> > --- > 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..dd01b22f9770 100644 > --- a/drivers/net/wireless/realtek/rtw88/rtw8821c.c > +++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.c > @@ -26,6 +26,12 @@ static void rtw8821ce_efuse_parsing(struct rtw_efuse *efuse, > ether_addr_copy(efuse->addr, map->e.mac_addr); > } > > +static void rtw8821cs_efuse_parsing(struct rtw_efuse *efuse, > + struct rtw8821c_efuse *map) > +{ > + ether_addr_copy(efuse->addr, map->s.mac_addr); > +} > + > static void rtw8821cu_efuse_parsing(struct rtw_efuse *efuse, > struct rtw8821c_efuse *map) > { > @@ -74,6 +80,9 @@ static int rtw8821c_read_efuse(struct rtw_dev *rtwdev, u8 *log_map) > case RTW_HCI_TYPE_PCIE: > rtw8821ce_efuse_parsing(efuse, map); > break; > + case RTW_HCI_TYPE_SDIO: > + rtw8821cs_efuse_parsing(efuse, map); > + break; > case RTW_HCI_TYPE_USB: > rtw8821cu_efuse_parsing(efuse, map); > break; > diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.h > b/drivers/net/wireless/realtek/rtw88/rtw8821c.h > index 1c81260f3a54..1deea54575b5 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 */ > +}; > + This struct should be __packed, as well as rtw8821c_efuse. Would you mind to create additional patch to add __packed to these struct of efuse layout? > struct rtw8821c_efuse { > __le16 rtl_id; > u8 res0[0x0e]; > @@ -93,6 +98,7 @@ struct rtw8821c_efuse { > u8 res[3]; > union { > struct rtw8821ce_efuse e; > + struct rtw8821cs_efuse s; > struct rtw8821cu_efuse u; > }; > }; > -- > 2.39.0
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.c b/drivers/net/wireless/realtek/rtw88/rtw8821c.c index 17f800f6efbd..dd01b22f9770 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8821c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.c @@ -26,6 +26,12 @@ static void rtw8821ce_efuse_parsing(struct rtw_efuse *efuse, ether_addr_copy(efuse->addr, map->e.mac_addr); } +static void rtw8821cs_efuse_parsing(struct rtw_efuse *efuse, + struct rtw8821c_efuse *map) +{ + ether_addr_copy(efuse->addr, map->s.mac_addr); +} + static void rtw8821cu_efuse_parsing(struct rtw_efuse *efuse, struct rtw8821c_efuse *map) { @@ -74,6 +80,9 @@ static int rtw8821c_read_efuse(struct rtw_dev *rtwdev, u8 *log_map) case RTW_HCI_TYPE_PCIE: rtw8821ce_efuse_parsing(efuse, map); break; + case RTW_HCI_TYPE_SDIO: + rtw8821cs_efuse_parsing(efuse, map); + break; case RTW_HCI_TYPE_USB: rtw8821cu_efuse_parsing(efuse, map); break; diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.h b/drivers/net/wireless/realtek/rtw88/rtw8821c.h index 1c81260f3a54..1deea54575b5 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 */ +}; + struct rtw8821c_efuse { __le16 rtl_id; u8 res0[0x0e]; @@ -93,6 +98,7 @@ struct rtw8821c_efuse { u8 res[3]; union { struct rtw8821ce_efuse e; + struct rtw8821cs_efuse s; struct rtw8821cu_efuse u; }; };
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> --- drivers/net/wireless/realtek/rtw88/rtw8821c.c | 9 +++++++++ drivers/net/wireless/realtek/rtw88/rtw8821c.h | 6 ++++++ 2 files changed, 15 insertions(+)