From: Kuan-Chung Chen Date: Wed, 24 Jul 2024 05:26:24 +0000 (+0800) Subject: wifi: rtw89: add support for hardware rfkill X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=0b38e6277aed8a59ccb64fcc1172d962c1f11b4c;p=linux-2.6-block.git wifi: rtw89: add support for hardware rfkill Add support for ieee80211::rfkill_poll ops. This enables periodic monitoring of the hardware rfkill state, triggering updates when the status changes. Signed-off-by: Kuan-Chung Chen Signed-off-by: Ping-Ke Shih Link: https://patch.msgid.link/20240724052626.12774-3-pkshih@realtek.com --- diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c index 86b6febedc25..45952994ffa6 100644 --- a/drivers/net/wireless/realtek/rtw89/core.c +++ b/drivers/net/wireless/realtek/rtw89/core.c @@ -3217,6 +3217,7 @@ static void rtw89_track_work(struct work_struct *work) rtw89_phy_edcca_track(rtwdev); rtw89_tas_track(rtwdev); rtw89_chanctx_track(rtwdev); + rtw89_core_rfkill_poll(rtwdev, false); if (rtwdev->lps_enabled && !rtwdev->btc.lps) rtw89_enter_lps_track(rtwdev); @@ -4499,6 +4500,70 @@ static int rtw89_chip_board_info_setup(struct rtw89_dev *rtwdev) return 0; } +static bool rtw89_chip_has_rfkill(struct rtw89_dev *rtwdev) +{ + return !!rtwdev->chip->rfkill_init; +} + +static void rtw89_core_rfkill_init(struct rtw89_dev *rtwdev) +{ + const struct rtw89_rfkill_regs *regs = rtwdev->chip->rfkill_init; + + rtw89_write16_mask(rtwdev, regs->pinmux.addr, + regs->pinmux.mask, regs->pinmux.data); + rtw89_write16_mask(rtwdev, regs->mode.addr, + regs->mode.mask, regs->mode.data); +} + +static bool rtw89_core_rfkill_get(struct rtw89_dev *rtwdev) +{ + const struct rtw89_reg_def *reg = &rtwdev->chip->rfkill_get; + + return !rtw89_read8_mask(rtwdev, reg->addr, reg->mask); +} + +static void rtw89_rfkill_polling_init(struct rtw89_dev *rtwdev) +{ + if (!rtw89_chip_has_rfkill(rtwdev)) + return; + + rtw89_core_rfkill_init(rtwdev); + rtw89_core_rfkill_poll(rtwdev, true); + wiphy_rfkill_start_polling(rtwdev->hw->wiphy); +} + +static void rtw89_rfkill_polling_deinit(struct rtw89_dev *rtwdev) +{ + if (!rtw89_chip_has_rfkill(rtwdev)) + return; + + wiphy_rfkill_stop_polling(rtwdev->hw->wiphy); +} + +void rtw89_core_rfkill_poll(struct rtw89_dev *rtwdev, bool force) +{ + bool prev, blocked; + + if (!rtw89_chip_has_rfkill(rtwdev)) + return; + + prev = test_bit(RTW89_FLAG_HW_RFKILL_STATE, rtwdev->flags); + blocked = rtw89_core_rfkill_get(rtwdev); + + if (!force && prev == blocked) + return; + + rtw89_info(rtwdev, "rfkill hardware state changed to %s\n", + blocked ? "disable" : "enable"); + + if (blocked) + set_bit(RTW89_FLAG_HW_RFKILL_STATE, rtwdev->flags); + else + clear_bit(RTW89_FLAG_HW_RFKILL_STATE, rtwdev->flags); + + wiphy_rfkill_set_hw_state(rtwdev->hw->wiphy, blocked); +} + int rtw89_chip_info_setup(struct rtw89_dev *rtwdev) { int ret; @@ -4654,6 +4719,8 @@ static int rtw89_core_register_hw(struct rtw89_dev *rtwdev) goto err_unregister_hw; } + rtw89_rfkill_polling_init(rtwdev); + return 0; err_unregister_hw: @@ -4668,6 +4735,7 @@ static void rtw89_core_unregister_hw(struct rtw89_dev *rtwdev) { struct ieee80211_hw *hw = rtwdev->hw; + rtw89_rfkill_polling_deinit(rtwdev); ieee80211_unregister_hw(hw); rtw89_core_clr_supported_band(rtwdev); } diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h index 0a09360515dc..a0d0bf53d961 100644 --- a/drivers/net/wireless/realtek/rtw89/core.h +++ b/drivers/net/wireless/realtek/rtw89/core.h @@ -4069,6 +4069,11 @@ struct rtw89_rrsr_cfgs { struct rtw89_reg3_def rsc; }; +struct rtw89_rfkill_regs { + struct rtw89_reg3_def pinmux; + struct rtw89_reg3_def mode; +}; + struct rtw89_dig_regs { u32 seg0_pd_reg; u32 pd_lower_bound_mask; @@ -4260,6 +4265,8 @@ struct rtw89_chip_info { const struct rtw89_rrsr_cfgs *rrsr_cfgs; struct rtw89_reg_def bss_clr_vld; u32 bss_clr_map_reg; + const struct rtw89_rfkill_regs *rfkill_init; + struct rtw89_reg_def rfkill_get; u32 dma_ch_mask; const struct rtw89_edcca_regs *edcca_regs; const struct wiphy_wowlan_support *wowlan_stub; @@ -4618,6 +4625,7 @@ enum rtw89_flags { RTW89_FLAG_WOWLAN, RTW89_FLAG_FORBIDDEN_TRACK_WROK, RTW89_FLAG_CHANGING_INTERFACE, + RTW89_FLAG_HW_RFKILL_STATE, NUM_OF_RTW89_FLAGS, }; @@ -6506,6 +6514,7 @@ int rtw89_core_sta_remove(struct rtw89_dev *rtwdev, void rtw89_core_set_tid_config(struct rtw89_dev *rtwdev, struct ieee80211_sta *sta, struct cfg80211_tid_config *tid_config); +void rtw89_core_rfkill_poll(struct rtw89_dev *rtwdev, bool force); void rtw89_check_quirks(struct rtw89_dev *rtwdev, const struct dmi_system_id *quirks); int rtw89_core_init(struct rtw89_dev *rtwdev); void rtw89_core_deinit(struct rtw89_dev *rtwdev); diff --git a/drivers/net/wireless/realtek/rtw89/mac80211.c b/drivers/net/wireless/realtek/rtw89/mac80211.c index 1508693032cb..b95fa288c5f5 100644 --- a/drivers/net/wireless/realtek/rtw89/mac80211.c +++ b/drivers/net/wireless/realtek/rtw89/mac80211.c @@ -1147,6 +1147,22 @@ static void rtw89_set_rekey_data(struct ieee80211_hw *hw, } #endif +static void rtw89_ops_rfkill_poll(struct ieee80211_hw *hw) +{ + struct rtw89_dev *rtwdev = hw->priv; + + mutex_lock(&rtwdev->mutex); + + /* wl_disable GPIO get floating when entering LPS */ + if (test_bit(RTW89_FLAG_RUNNING, rtwdev->flags)) + goto out; + + rtw89_core_rfkill_poll(rtwdev, false); + +out: + mutex_unlock(&rtwdev->mutex); +} + const struct ieee80211_ops rtw89_ops = { .tx = rtw89_ops_tx, .wake_tx_queue = rtw89_ops_wake_tx_queue, @@ -1193,5 +1209,6 @@ const struct ieee80211_ops rtw89_ops = { .set_wakeup = rtw89_ops_set_wakeup, .set_rekey_data = rtw89_set_rekey_data, #endif + .rfkill_poll = rtw89_ops_rfkill_poll, }; EXPORT_SYMBOL(rtw89_ops); diff --git a/drivers/net/wireless/realtek/rtw89/reg.h b/drivers/net/wireless/realtek/rtw89/reg.h index 15b17e2cf99b..7afec48c4056 100644 --- a/drivers/net/wireless/realtek/rtw89/reg.h +++ b/drivers/net/wireless/realtek/rtw89/reg.h @@ -107,6 +107,15 @@ #define B_AX_DBG_SEL0_16BIT BIT(11) #define B_AX_DBG_SEL0 GENMASK(7, 0) +#define R_AX_GPIO_EXT_CTRL 0x0060 +#define B_AX_GPIO_MOD_15_TO_8_MASK GENMASK(31, 24) +#define B_AX_GPIO_MOD_9 BIT(25) +#define B_AX_GPIO_IO_SEL_15_TO_8_MASK GENMASK(23, 16) +#define B_AX_GPIO_IO_SEL_9 BIT(17) +#define B_AX_GPIO_OUT_15_TO_8_MASK GENMASK(15, 8) +#define B_AX_GPIO_IN_15_TO_8_MASK GENMASK(7, 0) +#define B_AX_GPIO_IN_9 BIT(1) + #define R_AX_SYS_SDIO_CTRL 0x0070 #define B_AX_PCIE_DIS_L2_CTRL_LDO_HCI BIT(15) #define B_AX_PCIE_DIS_WLSUS_AFT_PDN BIT(14) @@ -267,6 +276,9 @@ #define R_AX_GPIO0_7_FUNC_SEL 0x02D0 +#define R_AX_GPIO8_15_FUNC_SEL 0x02D4 +#define B_AX_PINMUX_GPIO9_FUNC_SEL_MASK GENMASK(7, 4) + #define R_AX_EECS_EESK_FUNC_SEL 0x02D8 #define B_AX_PINMUX_EESK_FUNC_SEL_MASK GENMASK(7, 4) @@ -3910,6 +3922,15 @@ #define R_BE_EFUSE_CTRL_1_V1 0x0034 #define B_BE_EF_DATA_MASK GENMASK(31, 0) +#define R_BE_GPIO_EXT_CTRL 0x0060 +#define B_BE_GPIO_MOD_15_TO_8_MASK GENMASK(31, 24) +#define B_BE_GPIO_MOD_9 BIT(25) +#define B_BE_GPIO_IO_SEL_15_TO_8_MASK GENMASK(23, 16) +#define B_BE_GPIO_IO_SEL_9 BIT(17) +#define B_BE_GPIO_OUT_15_TO_8_MASK GENMASK(15, 8) +#define B_BE_GPIO_IN_15_TO_8_MASK GENMASK(7, 0) +#define B_BE_GPIO_IN_9 BIT(1) + #define R_BE_WL_BT_PWR_CTRL 0x0068 #define B_BE_ISO_BD2PP BIT(31) #define B_BE_LDOV12B_EN BIT(30) @@ -4355,6 +4376,9 @@ #define B_BE_REG_CK40M_EN BIT(1) #define B_BE_REG_CK640M_EN BIT(0) +#define R_BE_GPIO8_15_FUNC_SEL 0x02D4 +#define B_BE_PINMUX_GPIO9_FUNC_SEL_MASK GENMASK(7, 4) + #define R_BE_WLAN_XTAL_SI_CTRL 0x0270 #define B_BE_WL_XTAL_SI_CMD_POLL BIT(31) #define B_BE_WL_XTAL_SI_CHIPID_MASK GENMASK(30, 28) diff --git a/drivers/net/wireless/realtek/rtw89/rtw8851b.c b/drivers/net/wireless/realtek/rtw89/rtw8851b.c index 40cf84a79c46..b8f57a602dcf 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8851b.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8851b.c @@ -185,6 +185,15 @@ static const struct rtw89_rrsr_cfgs rtw8851b_rrsr_cfgs = { .rsc = {R_AX_TRXPTCL_RRSR_CTL_0, B_AX_WMAC_RESP_RSC_MASK, 2}, }; +static const struct rtw89_rfkill_regs rtw8851b_rfkill_regs = { + .pinmux = {R_AX_GPIO8_15_FUNC_SEL, + B_AX_PINMUX_GPIO9_FUNC_SEL_MASK, + 0xf}, + .mode = {R_AX_GPIO_EXT_CTRL + 2, + (B_AX_GPIO_MOD_9 | B_AX_GPIO_IO_SEL_9) >> 16, + 0x0}, +}; + static const struct rtw89_dig_regs rtw8851b_dig_regs = { .seg0_pd_reg = R_SEG0R_PD_V1, .pd_lower_bound_mask = B_SEG0R_PD_LOWER_BOUND_MSK, @@ -2524,6 +2533,8 @@ const struct rtw89_chip_info rtw8851b_chip_info = { .rrsr_cfgs = &rtw8851b_rrsr_cfgs, .bss_clr_vld = {R_BSS_CLR_MAP_V1, B_BSS_CLR_MAP_VLD0}, .bss_clr_map_reg = R_BSS_CLR_MAP_V1, + .rfkill_init = &rtw8851b_rfkill_regs, + .rfkill_get = {R_AX_GPIO_EXT_CTRL, B_AX_GPIO_IN_9}, .dma_ch_mask = BIT(RTW89_DMA_ACH4) | BIT(RTW89_DMA_ACH5) | BIT(RTW89_DMA_ACH6) | BIT(RTW89_DMA_ACH7) | BIT(RTW89_DMA_B1MG) | BIT(RTW89_DMA_B1HI), diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852a.c b/drivers/net/wireless/realtek/rtw89/rtw8852a.c index 08e148328c62..88f8f2f4c6e2 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852a.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852a.c @@ -478,6 +478,15 @@ static const struct rtw89_rrsr_cfgs rtw8852a_rrsr_cfgs = { .rsc = {R_AX_TRXPTCL_RRSR_CTL_0, B_AX_WMAC_RESP_RSC_MASK, 2}, }; +static const struct rtw89_rfkill_regs rtw8852a_rfkill_regs = { + .pinmux = {R_AX_GPIO8_15_FUNC_SEL, + B_AX_PINMUX_GPIO9_FUNC_SEL_MASK, + 0xf}, + .mode = {R_AX_GPIO_EXT_CTRL + 2, + (B_AX_GPIO_MOD_9 | B_AX_GPIO_IO_SEL_9) >> 16, + 0x0}, +}; + static const struct rtw89_dig_regs rtw8852a_dig_regs = { .seg0_pd_reg = R_SEG0R_PD, .pd_lower_bound_mask = B_SEG0R_PD_LOWER_BOUND_MSK, @@ -2240,6 +2249,8 @@ const struct rtw89_chip_info rtw8852a_chip_info = { .rrsr_cfgs = &rtw8852a_rrsr_cfgs, .bss_clr_vld = {R_BSS_CLR_MAP, B_BSS_CLR_MAP_VLD0}, .bss_clr_map_reg = R_BSS_CLR_MAP, + .rfkill_init = &rtw8852a_rfkill_regs, + .rfkill_get = {R_AX_GPIO_EXT_CTRL, B_AX_GPIO_IN_9}, .dma_ch_mask = 0, .edcca_regs = &rtw8852a_edcca_regs, #ifdef CONFIG_PM diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b.c b/drivers/net/wireless/realtek/rtw89/rtw8852b.c index a22847a311ad..ef888545d988 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852b.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852b.c @@ -150,6 +150,15 @@ static const struct rtw89_rrsr_cfgs rtw8852b_rrsr_cfgs = { .rsc = {R_AX_TRXPTCL_RRSR_CTL_0, B_AX_WMAC_RESP_RSC_MASK, 2}, }; +static const struct rtw89_rfkill_regs rtw8852b_rfkill_regs = { + .pinmux = {R_AX_GPIO8_15_FUNC_SEL, + B_AX_PINMUX_GPIO9_FUNC_SEL_MASK, + 0xf}, + .mode = {R_AX_GPIO_EXT_CTRL + 2, + (B_AX_GPIO_MOD_9 | B_AX_GPIO_IO_SEL_9) >> 16, + 0x0}, +}; + static const struct rtw89_dig_regs rtw8852b_dig_regs = { .seg0_pd_reg = R_SEG0R_PD_V1, .pd_lower_bound_mask = B_SEG0R_PD_LOWER_BOUND_MSK, @@ -880,6 +889,8 @@ const struct rtw89_chip_info rtw8852b_chip_info = { .rrsr_cfgs = &rtw8852b_rrsr_cfgs, .bss_clr_vld = {R_BSS_CLR_MAP_V1, B_BSS_CLR_MAP_VLD0}, .bss_clr_map_reg = R_BSS_CLR_MAP_V1, + .rfkill_init = &rtw8852b_rfkill_regs, + .rfkill_get = {R_AX_GPIO_EXT_CTRL, B_AX_GPIO_IN_9}, .dma_ch_mask = BIT(RTW89_DMA_ACH4) | BIT(RTW89_DMA_ACH5) | BIT(RTW89_DMA_ACH6) | BIT(RTW89_DMA_ACH7) | BIT(RTW89_DMA_B1MG) | BIT(RTW89_DMA_B1HI), diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852bt.c b/drivers/net/wireless/realtek/rtw89/rtw8852bt.c index dd9fbddc411a..8173063bcc8e 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852bt.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852bt.c @@ -148,6 +148,15 @@ static const struct rtw89_rrsr_cfgs rtw8852bt_rrsr_cfgs = { .rsc = {R_AX_TRXPTCL_RRSR_CTL_0, B_AX_WMAC_RESP_RSC_MASK, 2}, }; +static const struct rtw89_rfkill_regs rtw8852bt_rfkill_regs = { + .pinmux = {R_AX_GPIO8_15_FUNC_SEL, + B_AX_PINMUX_GPIO9_FUNC_SEL_MASK, + 0xf}, + .mode = {R_AX_GPIO_EXT_CTRL + 2, + (B_AX_GPIO_MOD_9 | B_AX_GPIO_IO_SEL_9) >> 16, + 0x0}, +}; + static const struct rtw89_dig_regs rtw8852bt_dig_regs = { .seg0_pd_reg = R_SEG0R_PD_V1, .pd_lower_bound_mask = B_SEG0R_PD_LOWER_BOUND_MSK, @@ -813,6 +822,8 @@ const struct rtw89_chip_info rtw8852bt_chip_info = { .rrsr_cfgs = &rtw8852bt_rrsr_cfgs, .bss_clr_vld = {R_BSS_CLR_MAP_V1, B_BSS_CLR_MAP_VLD0}, .bss_clr_map_reg = R_BSS_CLR_MAP_V1, + .rfkill_init = &rtw8852bt_rfkill_regs, + .rfkill_get = {R_AX_GPIO_EXT_CTRL, B_AX_GPIO_IN_9}, .dma_ch_mask = BIT(RTW89_DMA_ACH4) | BIT(RTW89_DMA_ACH5) | BIT(RTW89_DMA_ACH6) | BIT(RTW89_DMA_ACH7) | BIT(RTW89_DMA_B1MG) | BIT(RTW89_DMA_B1HI), diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c.c b/drivers/net/wireless/realtek/rtw89/rtw8852c.c index 193168dc7b6c..8e500d0eb70b 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852c.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852c.c @@ -147,6 +147,15 @@ static const struct rtw89_rrsr_cfgs rtw8852c_rrsr_cfgs = { .rsc = {R_AX_PTCL_RRSR1, B_AX_RSC_MASK, 2}, }; +static const struct rtw89_rfkill_regs rtw8852c_rfkill_regs = { + .pinmux = {R_AX_GPIO8_15_FUNC_SEL, + B_AX_PINMUX_GPIO9_FUNC_SEL_MASK, + 0xf}, + .mode = {R_AX_GPIO_EXT_CTRL + 2, + (B_AX_GPIO_MOD_9 | B_AX_GPIO_IO_SEL_9) >> 16, + 0x0}, +}; + static const struct rtw89_dig_regs rtw8852c_dig_regs = { .seg0_pd_reg = R_SEG0R_PD, .pd_lower_bound_mask = B_SEG0R_PD_LOWER_BOUND_MSK, @@ -3022,6 +3031,8 @@ const struct rtw89_chip_info rtw8852c_chip_info = { .rrsr_cfgs = &rtw8852c_rrsr_cfgs, .bss_clr_vld = {R_BSS_CLR_MAP, B_BSS_CLR_MAP_VLD0}, .bss_clr_map_reg = R_BSS_CLR_MAP, + .rfkill_init = &rtw8852c_rfkill_regs, + .rfkill_get = {R_AX_GPIO_EXT_CTRL, B_AX_GPIO_IN_9}, .dma_ch_mask = 0, .edcca_regs = &rtw8852c_edcca_regs, #ifdef CONFIG_PM diff --git a/drivers/net/wireless/realtek/rtw89/rtw8922a.c b/drivers/net/wireless/realtek/rtw89/rtw8922a.c index 2af568a3264d..c763b14d43e9 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8922a.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8922a.c @@ -165,6 +165,15 @@ static const struct rtw89_rrsr_cfgs rtw8922a_rrsr_cfgs = { .rsc = {R_BE_PTCL_RRSR1, B_BE_RSC_MASK, 2}, }; +static const struct rtw89_rfkill_regs rtw8922a_rfkill_regs = { + .pinmux = {R_BE_GPIO8_15_FUNC_SEL, + B_BE_PINMUX_GPIO9_FUNC_SEL_MASK, + 0xf}, + .mode = {R_BE_GPIO_EXT_CTRL + 2, + (B_BE_GPIO_MOD_9 | B_BE_GPIO_IO_SEL_9) >> 16, + 0x0}, +}; + static const struct rtw89_dig_regs rtw8922a_dig_regs = { .seg0_pd_reg = R_SEG0R_PD_V2, .pd_lower_bound_mask = B_SEG0R_PD_LOWER_BOUND_MSK, @@ -2624,6 +2633,8 @@ const struct rtw89_chip_info rtw8922a_chip_info = { .rrsr_cfgs = &rtw8922a_rrsr_cfgs, .bss_clr_vld = {R_BSS_CLR_VLD_V2, B_BSS_CLR_VLD0_V2}, .bss_clr_map_reg = R_BSS_CLR_MAP_V2, + .rfkill_init = &rtw8922a_rfkill_regs, + .rfkill_get = {R_BE_GPIO_EXT_CTRL, B_BE_GPIO_IN_9}, .dma_ch_mask = 0, .edcca_regs = &rtw8922a_edcca_regs, #ifdef CONFIG_PM