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path: root/drivers/net/wireless/realtek/rtw88
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Diffstat (limited to 'drivers/net/wireless/realtek/rtw88')
-rw-r--r--drivers/net/wireless/realtek/rtw88/regd.c8
-rw-r--r--drivers/net/wireless/realtek/rtw88/regd.h2
-rw-r--r--drivers/net/wireless/realtek/rtw88/rtw8821c.c67
-rw-r--r--drivers/net/wireless/realtek/rtw88/rtw8821c.h1
4 files changed, 78 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/regd.c b/drivers/net/wireless/realtek/rtw88/regd.c
index 124fc7ae6a14..7f3b2ea3f2a5 100644
--- a/drivers/net/wireless/realtek/rtw88/regd.c
+++ b/drivers/net/wireless/realtek/rtw88/regd.c
@@ -502,6 +502,14 @@ u8 rtw_regd_get(struct rtw_dev *rtwdev)
}
EXPORT_SYMBOL(rtw_regd_get);
+bool rtw_regd_srrc(struct rtw_dev *rtwdev)
+{
+ struct rtw_regd *regd = &rtwdev->regd;
+
+ return rtw_reg_match(regd->regulatory, "CN");
+}
+EXPORT_SYMBOL(rtw_regd_srrc);
+
struct rtw_regd_alternative_t {
bool set;
u8 alt;
diff --git a/drivers/net/wireless/realtek/rtw88/regd.h b/drivers/net/wireless/realtek/rtw88/regd.h
index 34cb13d0cd9e..3c5a6fd8e6dd 100644
--- a/drivers/net/wireless/realtek/rtw88/regd.h
+++ b/drivers/net/wireless/realtek/rtw88/regd.h
@@ -68,4 +68,6 @@ int rtw_regd_init(struct rtw_dev *rtwdev);
int rtw_regd_hint(struct rtw_dev *rtwdev);
u8 rtw_regd_get(struct rtw_dev *rtwdev);
bool rtw_regd_has_alt(u8 regd, u8 *regd_alt);
+bool rtw_regd_srrc(struct rtw_dev *rtwdev);
+
#endif
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.c b/drivers/net/wireless/realtek/rtw88/rtw8821c.c
index adf224618a2a..429bb420b056 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8821c.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.c
@@ -381,6 +381,65 @@ static void rtw8821c_set_channel_rxdfir(struct rtw_dev *rtwdev, u8 bw)
}
}
+static void rtw8821c_cck_tx_filter_srrc(struct rtw_dev *rtwdev, u8 channel, u8 bw)
+{
+ struct rtw_hal *hal = &rtwdev->hal;
+
+ if (channel == 14) {
+ rtw_write32_mask(rtwdev, REG_CCA_FLTR, MASKHWORD, 0xe82c);
+ rtw_write32_mask(rtwdev, REG_TXSF2, MASKDWORD, 0x0000b81c);
+ rtw_write32_mask(rtwdev, REG_TXSF6, MASKLWORD, 0x0000);
+ rtw_write32_mask(rtwdev, REG_TXFILTER, MASKDWORD, 0x00003667);
+
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWE2, RFREG_MASK, 0x00002);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWA, RFREG_MASK, 0x0001e);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWD0, RFREG_MASK, 0x00000);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWA, RFREG_MASK, 0x0001c);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWD0, RFREG_MASK, 0x00000);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWA, RFREG_MASK, 0x0000e);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWD0, RFREG_MASK, 0x00000);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWA, RFREG_MASK, 0x0000c);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWD0, RFREG_MASK, 0x00000);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWE2, RFREG_MASK, 0x00000);
+ } else if (channel == 13 ||
+ (channel == 11 && bw == RTW_CHANNEL_WIDTH_40)) {
+ rtw_write32_mask(rtwdev, REG_CCA_FLTR, MASKHWORD, 0xf8fe);
+ rtw_write32_mask(rtwdev, REG_TXSF2, MASKDWORD, 0x64b80c1c);
+ rtw_write32_mask(rtwdev, REG_TXSF6, MASKLWORD, 0x8810);
+ rtw_write32_mask(rtwdev, REG_TXFILTER, MASKDWORD, 0x01235667);
+
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWE2, RFREG_MASK, 0x00002);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWA, RFREG_MASK, 0x0001e);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWD0, RFREG_MASK, 0x00027);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWA, RFREG_MASK, 0x0001c);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWD0, RFREG_MASK, 0x00027);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWA, RFREG_MASK, 0x0000e);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWD0, RFREG_MASK, 0x00029);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWA, RFREG_MASK, 0x0000c);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWD0, RFREG_MASK, 0x00026);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWE2, RFREG_MASK, 0x00000);
+ } else {
+ rtw_write32_mask(rtwdev, REG_CCA_FLTR, MASKHWORD, 0xe82c);
+ rtw_write32_mask(rtwdev, REG_TXSF2, MASKDWORD,
+ hal->ch_param[0]);
+ rtw_write32_mask(rtwdev, REG_TXSF6, MASKLWORD,
+ hal->ch_param[1] & MASKLWORD);
+ rtw_write32_mask(rtwdev, REG_TXFILTER, MASKDWORD,
+ hal->ch_param[2]);
+
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWE2, RFREG_MASK, 0x00002);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWA, RFREG_MASK, 0x0001e);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWD0, RFREG_MASK, 0x00000);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWA, RFREG_MASK, 0x0001c);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWD0, RFREG_MASK, 0x00000);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWA, RFREG_MASK, 0x0000e);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWD0, RFREG_MASK, 0x00000);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWA, RFREG_MASK, 0x0000c);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWD0, RFREG_MASK, 0x00000);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWE2, RFREG_MASK, 0x00000);
+ }
+}
+
static void rtw8821c_set_channel_bb(struct rtw_dev *rtwdev, u8 channel, u8 bw,
u8 primary_ch_idx)
{
@@ -395,6 +454,13 @@ static void rtw8821c_set_channel_bb(struct rtw_dev *rtwdev, u8 channel, u8 bw,
rtw_write32_mask(rtwdev, REG_TXSCALE_A, 0xf00, 0x0);
rtw_write32_mask(rtwdev, REG_CLKTRK, 0x1ffe0000, 0x96a);
+
+ if (rtw_regd_srrc(rtwdev)) {
+ rtw8821c_cck_tx_filter_srrc(rtwdev, channel, bw);
+ goto set_bw;
+ }
+
+ /* CCK TX filter parameters for default case */
if (channel == 14) {
rtw_write32_mask(rtwdev, REG_TXSF2, MASKDWORD, 0x0000b81c);
rtw_write32_mask(rtwdev, REG_TXSF6, MASKLWORD, 0x0000);
@@ -430,6 +496,7 @@ static void rtw8821c_set_channel_bb(struct rtw_dev *rtwdev, u8 channel, u8 bw,
rtw_write32_mask(rtwdev, REG_CLKTRK, 0x1ffe0000, 0x412);
}
+set_bw:
switch (bw) {
case RTW_CHANNEL_WIDTH_20:
default:
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.h b/drivers/net/wireless/realtek/rtw88/rtw8821c.h
index fcff31688c45..91ed921407bb 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8821c.h
+++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.h
@@ -238,6 +238,7 @@ extern const struct rtw_chip_info rtw8821c_hw_spec;
#define REG_RXSB 0xa00
#define REG_ADCINI 0xa04
#define REG_PWRTH 0xa08
+#define REG_CCA_FLTR 0xa20
#define REG_TXSF2 0xa24
#define REG_TXSF6 0xa28
#define REG_FA_CCK 0xa5c
generated by cgit v1.2.3 (git 2.39.0) at 2024-09-10 05:04:39 +0300