[2/3] wifi: rtw89: correct enable functions of HCI/PCI DMA

Message ID	20220912071706.13619-3-pkshih@realtek.com
State	New
Headers	show Return-Path: <linux-wireless-owner@kernel.org> Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.77 with qID 28C7HLAF0019163, This message is accepted by code: ctloc85258 From: Ping-Ke Shih <pkshih@realtek.com> To: <kvalo@kernel.org> CC: <timlee@realtek.com>, <kevin_yang@realtek.com>, <linux-wireless@vger.kernel.org> Subject: [PATCH 2/3] wifi: rtw89: correct enable functions of HCI/PCI DMA Date: Mon, 12 Sep 2022 15:17:05 +0800 Message-ID: <20220912071706.13619-3-pkshih@realtek.com> In-Reply-To: <20220912071706.13619-1-pkshih@realtek.com> References: <20220912071706.13619-1-pkshih@realtek.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII Precedence: bulk
Series	wifi: rtw89: some fixes of PCI code \| expand [0/3] wifi: rtw89: some fixes of PCI code [1/3] wifi: rtw89: 8852c: L1 DMA reset has offloaded to FW [2/3] wifi: rtw89: correct enable functions of HCI/PCI DMA [3/3] wifi: rtw89: pci: concentrate control function of TX DMA channel

diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c index f5bae0b282082..526078513eea8 100644 --- a/drivers/net/wireless/realtek/rtw89/mac.c +++ b/drivers/net/wireless/realtek/rtw89/mac.c @@ -3129,14 +3129,6 @@ static int rtw89_mac_dmac_pre_init(struct rtw89_dev *rtwdev) return ret; } -static void rtw89_mac_hci_func_en(struct rtw89_dev *rtwdev) -{ - const struct rtw89_chip_info *chip = rtwdev->chip; - - rtw89_write32_set(rtwdev, chip->hci_func_en_addr, - B_AX_HCI_TXDMA_EN | B_AX_HCI_RXDMA_EN); -} - int rtw89_mac_enable_bb_rf(struct rtw89_dev *rtwdev) { rtw89_write8_set(rtwdev, R_AX_SYS_FUNC_EN, @@ -3173,7 +3165,7 @@ int rtw89_mac_partial_init(struct rtw89_dev *rtwdev) return ret; } - rtw89_mac_hci_func_en(rtwdev); + rtw89_mac_ctrl_hci_dma_trx(rtwdev, true); ret = rtw89_mac_dmac_pre_init(rtwdev); if (ret) diff --git a/drivers/net/wireless/realtek/rtw89/mac.h b/drivers/net/wireless/realtek/rtw89/mac.h index 986e359a82237..cacf867a4f031 100644 --- a/drivers/net/wireless/realtek/rtw89/mac.h +++ b/drivers/net/wireless/realtek/rtw89/mac.h @@ -6,6 +6,7 @@ #define __RTW89_MAC_H__ #include "core.h" +#include "reg.h" #define MAC_MEM_DUMP_PAGE_SIZE 0x40000 #define ADDR_CAM_ENT_SIZE 0x40 @@ -912,6 +913,45 @@ static inline int rtw89_mac_txpwr_write32_mask(struct rtw89_dev *rtwdev, return 0; } +static inline void rtw89_mac_ctrl_hci_dma_tx(struct rtw89_dev *rtwdev, + bool enable) +{ + const struct rtw89_chip_info *chip = rtwdev->chip; + + if (enable) + rtw89_write32_set(rtwdev, chip->hci_func_en_addr, + B_AX_HCI_TXDMA_EN); + else + rtw89_write32_clr(rtwdev, chip->hci_func_en_addr, + B_AX_HCI_TXDMA_EN); +} + +static inline void rtw89_mac_ctrl_hci_dma_rx(struct rtw89_dev *rtwdev, + bool enable) +{ + const struct rtw89_chip_info *chip = rtwdev->chip; + + if (enable) + rtw89_write32_set(rtwdev, chip->hci_func_en_addr, + B_AX_HCI_RXDMA_EN); + else + rtw89_write32_clr(rtwdev, chip->hci_func_en_addr, + B_AX_HCI_RXDMA_EN); +} + +static inline void rtw89_mac_ctrl_hci_dma_trx(struct rtw89_dev *rtwdev, + bool enable) +{ + const struct rtw89_chip_info *chip = rtwdev->chip; + + if (enable) + rtw89_write32_set(rtwdev, chip->hci_func_en_addr, + B_AX_HCI_TXDMA_EN | B_AX_HCI_RXDMA_EN); + else + rtw89_write32_clr(rtwdev, chip->hci_func_en_addr, + B_AX_HCI_TXDMA_EN | B_AX_HCI_RXDMA_EN); +} + int rtw89_mac_set_tx_time(struct rtw89_dev *rtwdev, struct rtw89_sta *rtwsta, bool resume, u32 tx_time); int rtw89_mac_get_tx_time(struct rtw89_dev *rtwdev, struct rtw89_sta *rtwsta, diff --git a/drivers/net/wireless/realtek/rtw89/pci.c b/drivers/net/wireless/realtek/rtw89/pci.c index 2c59ae06e4db9..7f348bcf640c8 100644 --- a/drivers/net/wireless/realtek/rtw89/pci.c +++ b/drivers/net/wireless/realtek/rtw89/pci.c @@ -1607,35 +1607,41 @@ static void rtw89_pci_ops_write32(struct rtw89_dev *rtwdev, u32 addr, u32 data) writel(data, rtwpci->mmap + addr); } -static void rtw89_pci_ctrl_dma_all(struct rtw89_dev *rtwdev, bool enable) +static void rtw89_pci_ctrl_dma_trx(struct rtw89_dev *rtwdev, bool enable) { - enum rtw89_core_chip_id chip_id = rtwdev->chip->chip_id; const struct rtw89_pci_info *info = rtwdev->pci_info; - u32 txhci_en = info->txhci_en_bit; - u32 rxhci_en = info->rxhci_en_bit; - if (enable) { - if (chip_id != RTL8852C) - rtw89_write32_clr(rtwdev, info->dma_stop1_reg, - B_AX_STOP_PCIEIO); - rtw89_write32_set(rtwdev, R_AX_PCIE_INIT_CFG1, - txhci_en | rxhci_en); - if (chip_id == RTL8852C) - rtw89_write32_clr(rtwdev, R_AX_PCIE_INIT_CFG1, - B_AX_STOP_AXI_MST); + if (enable) + rtw89_write32_set(rtwdev, info->init_cfg_reg, + info->rxhci_en_bit | info->txhci_en_bit); + else + rtw89_write32_clr(rtwdev, info->init_cfg_reg, + info->rxhci_en_bit | info->txhci_en_bit); +} + +static void rtw89_pci_ctrl_dma_io(struct rtw89_dev *rtwdev, bool enable) +{ + enum rtw89_core_chip_id chip_id = rtwdev->chip->chip_id; + u32 reg, mask; + + if (chip_id == RTL8852C) { + reg = R_AX_HAXI_INIT_CFG1; + mask = B_AX_STOP_AXI_MST; } else { - if (chip_id != RTL8852C) - rtw89_write32_set(rtwdev, info->dma_stop1_reg, - B_AX_STOP_PCIEIO); - else - rtw89_write32_clr(rtwdev, R_AX_PCIE_INIT_CFG1, - B_AX_STOP_AXI_MST); - rtw89_write32_clr(rtwdev, R_AX_PCIE_INIT_CFG1, - txhci_en | rxhci_en); - if (chip_id == RTL8852C) - rtw89_write32_set(rtwdev, R_AX_PCIE_INIT_CFG1, - B_AX_STOP_AXI_MST); + reg = R_AX_PCIE_DMA_STOP1; + mask = B_AX_STOP_PCIEIO; } + + if (enable) + rtw89_write32_clr(rtwdev, reg, mask); + else + rtw89_write32_set(rtwdev, reg, mask); +} + +static void rtw89_pci_ctrl_dma_all(struct rtw89_dev *rtwdev, bool enable) +{ + rtw89_pci_ctrl_dma_io(rtwdev, enable); + rtw89_pci_ctrl_dma_trx(rtwdev, enable); } static int rtw89_pci_check_mdio(struct rtw89_dev *rtwdev, u8 addr, u8 speed, u16 rw_bit) @@ -3478,26 +3484,6 @@ static void rtw89_pci_l1ss_cfg(struct rtw89_dev *rtwdev) rtw89_pci_l1ss_set(rtwdev, true); } -static void rtw89_pci_ctrl_dma_all_pcie(struct rtw89_dev *rtwdev, u8 en) -{ - const struct rtw89_pci_info *info = rtwdev->pci_info; - u32 val32; - - if (en == MAC_AX_FUNC_EN) { - val32 = B_AX_STOP_PCIEIO; - rtw89_write32_clr(rtwdev, info->dma_stop1_reg, val32); - - val32 = B_AX_TXHCI_EN | B_AX_RXHCI_EN; - rtw89_write32_set(rtwdev, R_AX_PCIE_INIT_CFG1, val32); - } else { - val32 = B_AX_STOP_PCIEIO; - rtw89_write32_set(rtwdev, info->dma_stop1_reg, val32); - - val32 = B_AX_TXHCI_EN | B_AX_RXHCI_EN; - rtw89_write32_clr(rtwdev, R_AX_PCIE_INIT_CFG1, val32); - } -} - static int rtw89_pci_poll_io_idle(struct rtw89_dev *rtwdev) { int ret = 0; @@ -3517,13 +3503,13 @@ static int rtw89_pci_poll_io_idle(struct rtw89_dev *rtwdev) static int rtw89_pci_lv1rst_stop_dma(struct rtw89_dev *rtwdev) { - u32 val, dma_rst = 0; + u32 val; int ret; if (rtwdev->chip->chip_id == RTL8852C) return 0; - rtw89_pci_ctrl_dma_all_pcie(rtwdev, MAC_AX_FUNC_DIS); + rtw89_pci_ctrl_dma_all(rtwdev, false); ret = rtw89_pci_poll_io_idle(rtwdev); if (ret) { val = rtw89_read32(rtwdev, R_AX_DBG_ERR_FLAG); @@ -3531,12 +3517,10 @@ static int rtw89_pci_lv1rst_stop_dma(struct rtw89_dev *rtwdev) "[PCIe] poll_io_idle fail, before 0x%08x: 0x%08x\n", R_AX_DBG_ERR_FLAG, val); if (val & B_AX_TX_STUCK || val & B_AX_PCIE_TXBD_LEN0) - dma_rst |= B_AX_HCI_TXDMA_EN; + rtw89_mac_ctrl_hci_dma_tx(rtwdev, false); if (val & B_AX_RX_STUCK) - dma_rst |= B_AX_HCI_RXDMA_EN; - val = rtw89_read32(rtwdev, R_AX_HCI_FUNC_EN); - rtw89_write32(rtwdev, R_AX_HCI_FUNC_EN, val & ~dma_rst); - rtw89_write32(rtwdev, R_AX_HCI_FUNC_EN, val | dma_rst); + rtw89_mac_ctrl_hci_dma_rx(rtwdev, false); + rtw89_mac_ctrl_hci_dma_trx(rtwdev, true); ret = rtw89_pci_poll_io_idle(rtwdev); val = rtw89_read32(rtwdev, R_AX_DBG_ERR_FLAG); rtw89_debug(rtwdev, RTW89_DBG_HCI, @@ -3547,18 +3531,7 @@ static int rtw89_pci_lv1rst_stop_dma(struct rtw89_dev *rtwdev) return ret; } -static void rtw89_pci_ctrl_hci_dma_en(struct rtw89_dev *rtwdev, u8 en) -{ - u32 val32; - if (en == MAC_AX_FUNC_EN) { - val32 = B_AX_HCI_TXDMA_EN | B_AX_HCI_RXDMA_EN; - rtw89_write32_set(rtwdev, R_AX_HCI_FUNC_EN, val32); - } else { - val32 = B_AX_HCI_TXDMA_EN | B_AX_HCI_RXDMA_EN; - rtw89_write32_clr(rtwdev, R_AX_HCI_FUNC_EN, val32); - } -} static int rtw89_pci_rst_bdram(struct rtw89_dev *rtwdev) { @@ -3581,15 +3554,15 @@ static int rtw89_pci_lv1rst_start_dma(struct rtw89_dev *rtwdev) if (rtwdev->chip->chip_id == RTL8852C) return 0; - rtw89_pci_ctrl_hci_dma_en(rtwdev, MAC_AX_FUNC_DIS); - rtw89_pci_ctrl_hci_dma_en(rtwdev, MAC_AX_FUNC_EN); + rtw89_mac_ctrl_hci_dma_trx(rtwdev, false); + rtw89_mac_ctrl_hci_dma_trx(rtwdev, true); rtw89_pci_clr_idx_all(rtwdev); ret = rtw89_pci_rst_bdram(rtwdev); if (ret) return ret; - rtw89_pci_ctrl_dma_all_pcie(rtwdev, MAC_AX_FUNC_EN); + rtw89_pci_ctrl_dma_all(rtwdev, true); return ret; } diff --git a/drivers/net/wireless/realtek/rtw89/pci.h b/drivers/net/wireless/realtek/rtw89/pci.h index 63dc6d4db6022..1365bbb547989 100644 --- a/drivers/net/wireless/realtek/rtw89/pci.h +++ b/drivers/net/wireless/realtek/rtw89/pci.h @@ -564,11 +564,6 @@ enum rtw89_pcie_phy { PCIE_PHY_GEN1_UNDEFINE = 0x7F, }; -enum mac_ax_func_sw { - MAC_AX_FUNC_DIS, - MAC_AX_FUNC_EN, -}; - enum rtw89_pcie_l0sdly { PCIE_L0SDLY_1US = 0, PCIE_L0SDLY_2US = 1,

[2/3] wifi: rtw89: correct enable functions of HCI/PCI DMA

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