diff options
| author | Yan-Hsuan Chuang <yhchuang@realtek.com> | 2020-03-13 06:30:06 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-03-26 12:41:48 +0300 |
| commit | 1fe188da9de58c1021aedb9ea1e7a3d95895ea5c (patch) | |
| tree | 19019f813b68e8dbfe6ce2adf55487d196c7799e /drivers/net/wireless/realtek/rtw88/rtw8822b.c | |
| parent | cd556e40fdf3b09e229097021a9148ecb6e7725e (diff) | |
| download | linux-1fe188da9de58c1021aedb9ea1e7a3d95895ea5c.tar.xz | |
rtw88: add a debugfs entry to dump coex's info
Add a new entry "coex_info" in debugfs to dump coex's states for
us to debug on coex's issues.
The basic concept for co-existence (coex, usually for WiFi + BT)
is to decide a strategy based on the current status of WiFi and
BT. So, it means the WiFi driver requires to gather information
from BT side and choose a strategy (TDMA/table/HW settings).
Althrough we can easily check the current status of WiFi, e.g.,
from kernel log or just dump the hardware registers, it is still
very difficult for us to gather so many different types of WiFi
states (such as RFE config, antenna, channel/band, TRX, Power
save). Also we will need BT's information that is stored in
"struct rtw_coex". So it is necessary for us to have a debugfs
that can dump all of the WiFi/BT information required.
Note that to debug on coex related issues, we usually need a
longer period of time of coex_info dump every 2 seconds (for
example, 30 secs, so we should have 15 times of coex_info's
dump).
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Reviewed-by: Chris Chiu <chiu@endlessm.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200313033008.20070-2-yhchuang@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/rtw8822b.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/rtw8822b.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822b.c b/drivers/net/wireless/realtek/rtw88/rtw8822b.c index 96aa332fb28d..4dd7d4143b04 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8822b.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8822b.c @@ -2371,6 +2371,33 @@ static const struct rtw_pwr_track_tbl rtw8822b_rtw_pwr_track_tbl = { .pwrtrk_2g_ccka_p = rtw8822b_pwrtrk_2g_cck_a_p, }; +static const struct rtw_reg_domain coex_info_hw_regs_8822b[] = { + {0xcb0, MASKDWORD, RTW_REG_DOMAIN_MAC32}, + {0xcb4, MASKDWORD, RTW_REG_DOMAIN_MAC32}, + {0xcba, MASKBYTE0, RTW_REG_DOMAIN_MAC8}, + {0xcbd, MASKBYTE0, RTW_REG_DOMAIN_MAC8}, + {0xc58, MASKBYTE0, RTW_REG_DOMAIN_MAC8}, + {0xcbd, BIT(0), RTW_REG_DOMAIN_MAC8}, + {0, 0, RTW_REG_DOMAIN_NL}, + {0x430, MASKDWORD, RTW_REG_DOMAIN_MAC32}, + {0x434, MASKDWORD, RTW_REG_DOMAIN_MAC32}, + {0x42a, MASKLWORD, RTW_REG_DOMAIN_MAC16}, + {0x426, MASKBYTE0, RTW_REG_DOMAIN_MAC8}, + {0x45e, BIT(3), RTW_REG_DOMAIN_MAC8}, + {0x454, MASKLWORD, RTW_REG_DOMAIN_MAC16}, + {0, 0, RTW_REG_DOMAIN_NL}, + {0x4c, BIT(24) | BIT(23), RTW_REG_DOMAIN_MAC32}, + {0x64, BIT(0), RTW_REG_DOMAIN_MAC8}, + {0x4c6, BIT(4), RTW_REG_DOMAIN_MAC8}, + {0x40, BIT(5), RTW_REG_DOMAIN_MAC8}, + {0x1, RFREG_MASK, RTW_REG_DOMAIN_RF_B}, + {0, 0, RTW_REG_DOMAIN_NL}, + {0x550, MASKDWORD, RTW_REG_DOMAIN_MAC32}, + {0x522, MASKBYTE0, RTW_REG_DOMAIN_MAC8}, + {0x953, BIT(1), RTW_REG_DOMAIN_MAC8}, + {0xc50, MASKBYTE0, RTW_REG_DOMAIN_MAC8}, +}; + struct rtw_chip_info rtw8822b_hw_spec = { .ops = &rtw8822b_ops, .id = RTW_CHIP_TYPE_8822B, @@ -2439,6 +2466,9 @@ struct rtw_chip_info rtw8822b_hw_spec = { .bt_afh_span_bw40 = 0x36, .afh_5g_num = ARRAY_SIZE(afh_5g_8822b), .afh_5g = afh_5g_8822b, + + .coex_info_hw_regs_num = ARRAY_SIZE(coex_info_hw_regs_8822b), + .coex_info_hw_regs = coex_info_hw_regs_8822b, }; EXPORT_SYMBOL(rtw8822b_hw_spec); |