Commit Graph

17 Commits

Author SHA1 Message Date
Ping-Ke Shih
0daa521a1c wifi: rtw88: add __packed attribute to efuse layout struct
The layout struct of efuse should not do address alignment by compiler.
Otherwise it leads unexpected layout and size for certain arch suc as arm.
In x86-64, the results are identical before and after this patch.

Also adjust bit-field to prevent over adjacent byte to avoid warning:
  rtw88/rtw8822b.h:66:1: note: offset of packed bit-field `res2` has changed in GCC 4.4
   66 | } __packed;
      | ^

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202412120131.qk0x6OhE-lkp@intel.com/
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20241212054203.135046-1-pkshih@realtek.com
2024-12-23 15:49:03 +08:00
Bitterblue Smith
d12722830e wifi: rtw88: Add some definitions for RTL8821AU/RTL8812AU
Add 8821A and 8812A chip type enums.

Add cck_high_power member to struct rtw_hal. This will be used to
calculate the RX signal strength of RTL8812AU.

Add various register definitions which will be used by the new drivers.

Move some existing register definitions from rtw8821c.h and rtw8822b.h.
They were duplicated in those headers and will also be used by the new
drivers.

Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/9279a9cd-6f86-4dc3-a095-7c36cb9b9d06@gmail.com
2024-10-29 11:53:54 +08:00
Zong-Zhe Yang
14a5b11532 wifi: rtw88: 8821c: tweak CCK TX filter setting for SRRC regulation
Since new criterion released by SRRC (State Radio Regulatory Commission,
China) is stricter, we have adjusted TX power limit tables for it. But,
due to RTL8821C HW characteristic, we still need to use specific parameter
in CCK TX filter when set channel to avoid violations in some corner cases.

Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20231004085051.205683-6-pkshih@realtek.com
2023-10-09 09:55:03 +03:00
Martin Blumenstingl
64e9d56465 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>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230218152944.48842-4-martin.blumenstingl@googlemail.com
2023-02-22 14:31:37 +02:00
Sascha Hauer
aff5ffd718 wifi: rtw88: Add rtw8821cu chipset support
Add support for the rtw8821cu chipset based on
https://github.com/ulli-kroll/rtw88-usb.git

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20221202081224.2779981-9-s.hauer@pengutronix.de
2022-12-08 16:48:42 +02:00
Larry Finger
89d8f53ff6 wifi: rtw88: Fix Sparse warning for rtw8821c_hw_spec
Sparse lists the following:

  CHECK   drivers/net/wireless/realtek/rtw88/rtw8821c.c
drivers/net/wireless/realtek/rtw88/rtw8821c.c:1880:22: warning: symbol 'rtw8821c_hw_spec' was not declared. Should it be static?

The warning arises because the external declaration for rtw8821c_hw_spec
occurs in rtw8821ce.h, which is not included in rtw8821c.h. That line is
moved, and the now empty file rtw8821ce.h is deleted.

Symbol 'rtw8821c_hw_spec' can be made constant.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220524153716.20450-1-Larry.Finger@lwfinger.net
2022-05-30 14:06:27 +03:00
Po-Hao Huang
c1afb26727 rtw88: 8822c: update rx settings to prevent potential hw deadlock
These settings enables mac to detect and recover when rx fifo
circuit deadlock occurs. Previous version missed this, so we fix it.

Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20211217012708.8623-1-pkshih@realtek.com
2021-12-20 20:50:13 +02:00
Guo-Feng Fan
5d6651fe85 rtw88: 8821c: support RFE type2 wifi NIC
RFE type2 is a new NIC which has one RF antenna shares with BT.
Update phy parameter to verstion V57 to allow initial procedure
to load extra AGC table for sharing antenna NIC.

Signed-off-by: Guo-Feng Fan <vincent_fann@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210202055012.8296-4-pkshih@realtek.com
2021-02-08 12:51:39 +02:00
Guo-Feng Fan
b0d3016f42 rtw88: 8821c: Correct CCK RSSI
Incorrect CCK RSSI may cause periodically scan from upper layer.

8821c phy status does NOT has actual value of CCK power. It provides only
lna and vga index. Driver have to use these indexes to calculate
actual RSSI.

Signed-off-by: Guo-Feng Fan <vincent_fann@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210202055012.8296-3-pkshih@realtek.com
2021-02-08 12:51:33 +02:00
Ching-Te Ku
3f3fef5f6a rtw88: coex: fixed some wrong register definition and setting
Some register definition and bit definition were incorrect.
e.g. REG_BT_COEX_V2 should be word alignment to meet the coding style.
e.g. set REG_BT_TDMA_TIME[5:0]=0x5,
But the original is to set REG_BT_TDMA_TIME[7:0]=0x5.
This will cause unexpected hardware behavior.

Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201109085909.9143-2-pkshih@realtek.com
2020-11-10 20:58:08 +02:00
Ping-Cheng Chen
7b080e0859 rtw88: 8821c: coex: add functions and parameters
Without this patch, RTL8821CE will not have coex support,
and will crash the system because of the NULL pointers
for the coex functions.

While RTL8822C series are WiFi + BT combo chips, it needs
the co-existence mechanism for the device to work on both
WiFi and BT without interfering each other. And the coex
support has already been added before, most of the mechanisms
are implemented. The driver should just add corresponding
functions to operate on different types of chips and its
coex parameters.

Fixes: f745eb9ca5 ("rtw88: 8821c: Add 8821CE to Kconfig and Makefile")
Signed-off-by: Ping-Cheng Chen <pc.chen@realtek.com>
Signed-off-by: Tzu-En Huang <tehuang@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200724054208.31115-1-yhchuang@realtek.com
2020-08-02 18:06:51 +03:00
Tzu-En Huang
3a4312828c rtw88: 8821c: add power tracking
The TX power requires to be adjusted based on the thermal value.
The actual power will decrease if the thermal value raised, and
will increase if the thermal value lowered. Driver comapres the
thermal value, as moving averages. If it changes over a limit,
driver will modify the TX power index to compensate.

Implement rtw_chip_ops::pwr_track() for 8821c.

Signed-off-by: Tzu-En Huang <tehuang@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200603094218.19942-3-yhchuang@realtek.com
2020-07-15 12:08:12 +03:00
Tzu-En Huang
11fcb119a7 rtw88: 8821c: add cck pd settings
CCK PD can reduce the number of false alarm of the CCK rates.
It dynamically adjusts the power threshold and CS ratio.
The values are compared to the values of the previous level, if
the level is changed, set new values of power threshold and CS
ratio.

Implement rtw_chip_ops::cck_pd_set() for 8821c.

Signed-off-by: Tzu-En Huang <tehuang@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200603094218.19942-2-yhchuang@realtek.com
2020-07-15 12:08:11 +03:00
Tzu-En Huang
960361238b rtw88: 8821c: add false alarm statistics
False alarm statistics can be used to adjust the RX gain. This
helps the driver to adapt to different circumstances.

Implement rtw_chip_ops::false_alarm_statistics() for 8821c.

Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Tzu-En Huang <tehuang@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200616091625.26489-7-yhchuang@realtek.com
2020-07-15 12:06:57 +03:00
Tzu-En Huang
d19040618a rtw88: 8821c: add query rx desc support
Some RX packets contain also information about environment status.

Implement rtw_chip_ops::query_rx_desc() for 8821c. Parse the RX
descriptor which describes the current condition of the received
packet.

Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Tzu-En Huang <tehuang@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200616091625.26489-6-yhchuang@realtek.com
2020-07-15 12:06:56 +03:00
Tzu-En Huang
58eb40c921 rtw88: 8821c: add set channel support
8821c is capable of 2.4G and 5G.

Implement rtw_chip_ops::set_channel() to set 2G and 5G channels.
This includes MAC, BB and RF related settings.

Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Tzu-En Huang <tehuang@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200616091625.26489-5-yhchuang@realtek.com
2020-07-15 12:06:55 +03:00
Tzu-En Huang
769a29ce2a rtw88: 8821c: add basic functions
RTL8821CE chipsets are 802.11ac dual-band WiFi + BT combo chips.
This patch adds the basic functions such as parameter tables, chip
information, power on flow.

Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Tzu-En Huang <tehuang@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200616091625.26489-2-yhchuang@realtek.com
2020-07-15 12:06:51 +03:00