diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw89/rtw8852b.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/rtw8852b.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b.c b/drivers/net/wireless/realtek/rtw89/rtw8852b.c new file mode 100644 index 000000000..9f9908418 --- /dev/null +++ b/drivers/net/wireless/realtek/rtw89/rtw8852b.c @@ -0,0 +1,94 @@ +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +/* Copyright(c) 2019-2022 Realtek Corporation + */ + +#include "core.h" +#include "mac.h" +#include "reg.h" + +static const struct rtw89_dle_mem rtw8852b_dle_mem_pcie[] = { + [RTW89_QTA_SCC] = {RTW89_QTA_SCC, &rtw89_mac_size.wde_size6, + &rtw89_mac_size.ple_size6, &rtw89_mac_size.wde_qt6, + &rtw89_mac_size.wde_qt6, &rtw89_mac_size.ple_qt18, + &rtw89_mac_size.ple_qt58}, + [RTW89_QTA_DLFW] = {RTW89_QTA_DLFW, &rtw89_mac_size.wde_size9, + &rtw89_mac_size.ple_size8, &rtw89_mac_size.wde_qt4, + &rtw89_mac_size.wde_qt4, &rtw89_mac_size.ple_qt13, + &rtw89_mac_size.ple_qt13}, + [RTW89_QTA_INVALID] = {RTW89_QTA_INVALID, NULL, NULL, NULL, NULL, NULL, + NULL}, +}; + +static int rtw8852b_mac_enable_bb_rf(struct rtw89_dev *rtwdev) +{ + int ret; + + rtw89_write8_set(rtwdev, R_AX_SYS_FUNC_EN, + B_AX_FEN_BBRSTB | B_AX_FEN_BB_GLB_RSTN); + rtw89_write32_mask(rtwdev, R_AX_SPS_DIG_ON_CTRL0, B_AX_REG_ZCDC_H_MASK, 0x1); + rtw89_write32_set(rtwdev, R_AX_WLRF_CTRL, B_AX_AFC_AFEDIG); + rtw89_write32_clr(rtwdev, R_AX_WLRF_CTRL, B_AX_AFC_AFEDIG); + rtw89_write32_set(rtwdev, R_AX_WLRF_CTRL, B_AX_AFC_AFEDIG); + + ret = rtw89_mac_write_xtal_si(rtwdev, XTAL_SI_WL_RFC_S0, 0xC7, + FULL_BIT_MASK); + if (ret) + return ret; + + ret = rtw89_mac_write_xtal_si(rtwdev, XTAL_SI_WL_RFC_S1, 0xC7, + FULL_BIT_MASK); + if (ret) + return ret; + + rtw89_write8(rtwdev, R_AX_PHYREG_SET, PHYREG_SET_XYN_CYCLE); + + return 0; +} + +static int rtw8852b_mac_disable_bb_rf(struct rtw89_dev *rtwdev) +{ + u8 wl_rfc_s0; + u8 wl_rfc_s1; + int ret; + + rtw89_write8_clr(rtwdev, R_AX_SYS_FUNC_EN, + B_AX_FEN_BBRSTB | B_AX_FEN_BB_GLB_RSTN); + + ret = rtw89_mac_read_xtal_si(rtwdev, XTAL_SI_WL_RFC_S0, &wl_rfc_s0); + if (ret) + return ret; + wl_rfc_s0 &= ~XTAL_SI_RF00S_EN; + ret = rtw89_mac_write_xtal_si(rtwdev, XTAL_SI_WL_RFC_S0, wl_rfc_s0, + FULL_BIT_MASK); + if (ret) + return ret; + + ret = rtw89_mac_read_xtal_si(rtwdev, XTAL_SI_WL_RFC_S1, &wl_rfc_s1); + if (ret) + return ret; + wl_rfc_s1 &= ~XTAL_SI_RF10S_EN; + ret = rtw89_mac_write_xtal_si(rtwdev, XTAL_SI_WL_RFC_S1, wl_rfc_s1, + FULL_BIT_MASK); + return ret; +} + +static const struct rtw89_chip_ops rtw8852b_chip_ops = { + .enable_bb_rf = rtw8852b_mac_enable_bb_rf, + .disable_bb_rf = rtw8852b_mac_disable_bb_rf, +}; + +const struct rtw89_chip_info rtw8852b_chip_info = { + .chip_id = RTL8852B, + .fifo_size = 196608, + .dle_scc_rsvd_size = 98304, + .dle_mem = rtw8852b_dle_mem_pcie, + .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), +}; +EXPORT_SYMBOL(rtw8852b_chip_info); + +MODULE_FIRMWARE("rtw89/rtw8852b_fw.bin"); +MODULE_AUTHOR("Realtek Corporation"); +MODULE_DESCRIPTION("Realtek 802.11ax wireless 8852B driver"); +MODULE_LICENSE("Dual BSD/GPL"); |