2023-04-21 02:49:02

by Ping-Ke Shih

[permalink] [raw]
Subject: [PATCH 4/8] wifi: rtw89: add CFO XTAL registers field to support 8851B

From: Chia-Yuan Li <[email protected]>

Since CFO XTAL registers of 8851B is different from 8852A, add a chip_info
field to define their difference. Other chips use another interface, so
fill NULL to this field.

Signed-off-by: Chia-Yuan Li <[email protected]>
Signed-off-by: Ping-Ke Shih <[email protected]>
---
drivers/net/wireless/realtek/rtw89/core.h | 7 +++++++
drivers/net/wireless/realtek/rtw89/phy.c | 16 +++++++++-------
drivers/net/wireless/realtek/rtw89/reg.h | 6 ++++++
drivers/net/wireless/realtek/rtw89/rtw8851b.c | 7 +++++++
drivers/net/wireless/realtek/rtw89/rtw8852a.c | 7 +++++++
drivers/net/wireless/realtek/rtw89/rtw8852b.c | 1 +
drivers/net/wireless/realtek/rtw89/rtw8852c.c | 1 +
7 files changed, 38 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h
index 890ecb533372c..43ac7b65d8665 100644
--- a/drivers/net/wireless/realtek/rtw89/core.h
+++ b/drivers/net/wireless/realtek/rtw89/core.h
@@ -3090,6 +3090,12 @@ struct rtw89_imr_info {
u32 tmac_imr_set;
};

+struct rtw89_xtal_info {
+ u32 xcap_reg;
+ u32 sc_xo_mask;
+ u32 sc_xi_mask;
+};
+
struct rtw89_rrsr_cfgs {
struct rtw89_reg3_def ref_rate;
struct rtw89_reg3_def rsc;
@@ -3216,6 +3222,7 @@ struct rtw89_chip_info {
u32 dma_ch_mask;
u32 edcca_lvl_reg;
const struct wiphy_wowlan_support *wowlan_stub;
+ const struct rtw89_xtal_info *xtal_info;
};

union rtw89_bus_info {
diff --git a/drivers/net/wireless/realtek/rtw89/phy.c b/drivers/net/wireless/realtek/rtw89/phy.c
index 96fa9f159d0ce..11611ba6c3ecd 100644
--- a/drivers/net/wireless/realtek/rtw89/phy.c
+++ b/drivers/net/wireless/realtek/rtw89/phy.c
@@ -2342,27 +2342,29 @@ void rtw89_phy_c2h_handle(struct rtw89_dev *rtwdev, struct sk_buff *skb,

static u8 rtw89_phy_cfo_get_xcap_reg(struct rtw89_dev *rtwdev, bool sc_xo)
{
+ const struct rtw89_xtal_info *xtal = rtwdev->chip->xtal_info;
u32 reg_mask;

if (sc_xo)
- reg_mask = B_AX_XTAL_SC_XO_MASK;
+ reg_mask = xtal->sc_xo_mask;
else
- reg_mask = B_AX_XTAL_SC_XI_MASK;
+ reg_mask = xtal->sc_xi_mask;

- return (u8)rtw89_read32_mask(rtwdev, R_AX_XTAL_ON_CTRL0, reg_mask);
+ return (u8)rtw89_read32_mask(rtwdev, xtal->xcap_reg, reg_mask);
}

static void rtw89_phy_cfo_set_xcap_reg(struct rtw89_dev *rtwdev, bool sc_xo,
u8 val)
{
+ const struct rtw89_xtal_info *xtal = rtwdev->chip->xtal_info;
u32 reg_mask;

if (sc_xo)
- reg_mask = B_AX_XTAL_SC_XO_MASK;
+ reg_mask = xtal->sc_xo_mask;
else
- reg_mask = B_AX_XTAL_SC_XI_MASK;
+ reg_mask = xtal->sc_xi_mask;

- rtw89_write32_mask(rtwdev, R_AX_XTAL_ON_CTRL0, reg_mask, val);
+ rtw89_write32_mask(rtwdev, xtal->xcap_reg, reg_mask, val);
}

static void rtw89_phy_cfo_set_crystal_cap(struct rtw89_dev *rtwdev,
@@ -2375,7 +2377,7 @@ static void rtw89_phy_cfo_set_crystal_cap(struct rtw89_dev *rtwdev,
if (!force && cfo->crystal_cap == crystal_cap)
return;
crystal_cap = clamp_t(u8, crystal_cap, 0, 127);
- if (chip->chip_id == RTL8852A) {
+ if (chip->chip_id == RTL8852A || chip->chip_id == RTL8851B) {
rtw89_phy_cfo_set_xcap_reg(rtwdev, true, crystal_cap);
rtw89_phy_cfo_set_xcap_reg(rtwdev, false, crystal_cap);
sc_xo_val = rtw89_phy_cfo_get_xcap_reg(rtwdev, true);
diff --git a/drivers/net/wireless/realtek/rtw89/reg.h b/drivers/net/wireless/realtek/rtw89/reg.h
index 266e4231b5f34..733447d2a160e 100644
--- a/drivers/net/wireless/realtek/rtw89/reg.h
+++ b/drivers/net/wireless/realtek/rtw89/reg.h
@@ -243,6 +243,12 @@
#define B_AX_XTAL_SC_XI_MASK GENMASK(16, 10)
#define B_AX_XTAL_SC_MASK GENMASK(6, 0)

+#define R_AX_XTAL_ON_CTRL3 0x028C
+#define B_AX_XTAL_SC_INIT_A_BLOCK_MASK GENMASK(30, 24)
+#define B_AX_XTAL_SC_LPS_A_BLOCK_MASK GENMASK(22, 16)
+#define B_AX_XTAL_SC_XO_A_BLOCK_MASK GENMASK(14, 8)
+#define B_AX_XTAL_SC_XI_A_BLOCK_MASK GENMASK(6, 0)
+
#define R_AX_GPIO0_7_FUNC_SEL 0x02D0

#define R_AX_EECS_EESK_FUNC_SEL 0x02D8
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8851b.c b/drivers/net/wireless/realtek/rtw89/rtw8851b.c
index a67a43303592c..cc47bcbabfc97 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8851b.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8851b.c
@@ -18,6 +18,12 @@
#define RTW8851B_MODULE_FIRMWARE \
RTW8851B_FW_BASENAME ".bin"

+static const struct rtw89_xtal_info rtw8851b_xtal_info = {
+ .xcap_reg = R_AX_XTAL_ON_CTRL3,
+ .sc_xo_mask = B_AX_XTAL_SC_XO_A_BLOCK_MASK,
+ .sc_xi_mask = B_AX_XTAL_SC_XI_A_BLOCK_MASK,
+};
+
static const struct rtw89_chip_ops rtw8851b_chip_ops = {
.fem_setup = NULL,
.fill_txdesc = rtw89_core_fill_txdesc,
@@ -94,6 +100,7 @@ const struct rtw89_chip_info rtw8851b_chip_info = {
BIT(RTW89_DMA_ACH6) | BIT(RTW89_DMA_ACH7) |
BIT(RTW89_DMA_B1MG) | BIT(RTW89_DMA_B1HI),
.edcca_lvl_reg = R_SEG0R_EDCCA_LVL_V1,
+ .xtal_info = &rtw8851b_xtal_info,
};
EXPORT_SYMBOL(rtw8851b_chip_info);

diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852a.c b/drivers/net/wireless/realtek/rtw89/rtw8852a.c
index 1e1e6d0af5517..bd417c60171a0 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852a.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852a.c
@@ -463,6 +463,12 @@ static const struct rtw89_imr_info rtw8852a_imr_info = {
.tmac_imr_set = B_AX_TMAC_IMR_SET,
};

+static const struct rtw89_xtal_info rtw8852a_xtal_info = {
+ .xcap_reg = R_AX_XTAL_ON_CTRL0,
+ .sc_xo_mask = B_AX_XTAL_SC_XO_MASK,
+ .sc_xi_mask = B_AX_XTAL_SC_XI_MASK,
+};
+
static const struct rtw89_rrsr_cfgs rtw8852a_rrsr_cfgs = {
.ref_rate = {R_AX_TRXPTCL_RRSR_CTL_0, B_AX_WMAC_RESP_REF_RATE_SEL, 0},
.rsc = {R_AX_TRXPTCL_RRSR_CTL_0, B_AX_WMAC_RESP_RSC_MASK, 2},
@@ -2160,6 +2166,7 @@ const struct rtw89_chip_info rtw8852a_chip_info = {
#ifdef CONFIG_PM
.wowlan_stub = &rtw_wowlan_stub_8852a,
#endif
+ .xtal_info = &rtw8852a_xtal_info,
};
EXPORT_SYMBOL(rtw8852a_chip_info);

diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b.c b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
index f12d250f03127..af74d0feeccb9 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852b.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
@@ -2599,6 +2599,7 @@ const struct rtw89_chip_info rtw8852b_chip_info = {
#ifdef CONFIG_PM
.wowlan_stub = &rtw_wowlan_stub_8852b,
#endif
+ .xtal_info = NULL,
};
EXPORT_SYMBOL(rtw8852b_chip_info);

diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c.c b/drivers/net/wireless/realtek/rtw89/rtw8852c.c
index 347a19b8eaa05..3268be8fea6cc 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852c.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852c.c
@@ -2898,6 +2898,7 @@ const struct rtw89_chip_info rtw8852c_chip_info = {
#ifdef CONFIG_PM
.wowlan_stub = &rtw_wowlan_stub_8852c,
#endif
+ .xtal_info = NULL,
};
EXPORT_SYMBOL(rtw8852c_chip_info);

--
2.25.1