1// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2/* Copyright(c) 2020-2022 Realtek Corporation
3 */
4
5#include <linux/module.h>
6#include <linux/pci.h>
7
8#include "pci.h"
9#include "reg.h"
10#include "rtw8852b.h"
11
12static const struct rtw89_pci_info rtw8852b_pci_info = {
13 .gen_def = &rtw89_pci_gen_ax,
14 .txbd_trunc_mode = MAC_AX_BD_TRUNC,
15 .rxbd_trunc_mode = MAC_AX_BD_TRUNC,
16 .rxbd_mode = MAC_AX_RXBD_PKT,
17 .tag_mode = MAC_AX_TAG_MULTI,
18 .tx_burst = MAC_AX_TX_BURST_2048B,
19 .rx_burst = MAC_AX_RX_BURST_128B,
20 .wd_dma_idle_intvl = MAC_AX_WD_DMA_INTVL_256NS,
21 .wd_dma_act_intvl = MAC_AX_WD_DMA_INTVL_256NS,
22 .multi_tag_num = MAC_AX_TAG_NUM_8,
23 .lbc_en = MAC_AX_PCIE_ENABLE,
24 .lbc_tmr = MAC_AX_LBC_TMR_2MS,
25 .autok_en = MAC_AX_PCIE_DISABLE,
26 .io_rcy_en = MAC_AX_PCIE_DISABLE,
27 .io_rcy_tmr = MAC_AX_IO_RCY_ANA_TMR_6MS,
28 .rx_ring_eq_is_full = false,
29 .check_rx_tag = false,
30
31 .init_cfg_reg = R_AX_PCIE_INIT_CFG1,
32 .txhci_en_bit = B_AX_TXHCI_EN,
33 .rxhci_en_bit = B_AX_RXHCI_EN,
34 .rxbd_mode_bit = B_AX_RXBD_MODE,
35 .exp_ctrl_reg = R_AX_PCIE_EXP_CTRL,
36 .max_tag_num_mask = B_AX_MAX_TAG_NUM,
37 .rxbd_rwptr_clr_reg = R_AX_RXBD_RWPTR_CLR,
38 .txbd_rwptr_clr2_reg = 0,
39 .dma_io_stop = {R_AX_PCIE_DMA_STOP1, B_AX_STOP_PCIEIO},
40 .dma_stop1 = {R_AX_PCIE_DMA_STOP1, B_AX_TX_STOP1_MASK_V1},
41 .dma_stop2 = {0},
42 .dma_busy1 = {R_AX_PCIE_DMA_BUSY1, DMA_BUSY1_CHECK_V1},
43 .dma_busy2_reg = 0,
44 .dma_busy3_reg = R_AX_PCIE_DMA_BUSY1,
45
46 .rpwm_addr = R_AX_PCIE_HRPWM,
47 .cpwm_addr = R_AX_CPWM,
48 .mit_addr = R_AX_INT_MIT_RX,
49 .tx_dma_ch_mask = BIT(RTW89_TXCH_ACH4) | BIT(RTW89_TXCH_ACH5) |
50 BIT(RTW89_TXCH_ACH6) | BIT(RTW89_TXCH_ACH7) |
51 BIT(RTW89_TXCH_CH10) | BIT(RTW89_TXCH_CH11),
52 .bd_idx_addr_low_power = NULL,
53 .dma_addr_set = &rtw89_pci_ch_dma_addr_set,
54 .bd_ram_table = &rtw89_bd_ram_table_single,
55
56 .ltr_set = rtw89_pci_ltr_set,
57 .fill_txaddr_info = rtw89_pci_fill_txaddr_info,
58 .config_intr_mask = rtw89_pci_config_intr_mask,
59 .enable_intr = rtw89_pci_enable_intr,
60 .disable_intr = rtw89_pci_disable_intr,
61 .recognize_intrs = rtw89_pci_recognize_intrs,
62};
63
64static const struct rtw89_driver_info rtw89_8852be_info = {
65 .chip = &rtw8852b_chip_info,
66 .bus = {
67 .pci = &rtw8852b_pci_info,
68 },
69};
70
71static const struct pci_device_id rtw89_8852be_id_table[] = {
72 {
73 PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0xb852),
74 .driver_data = (kernel_ulong_t)&rtw89_8852be_info,
75 },
76 {
77 PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0xb85b),
78 .driver_data = (kernel_ulong_t)&rtw89_8852be_info,
79 },
80 {},
81};
82MODULE_DEVICE_TABLE(pci, rtw89_8852be_id_table);
83
84static struct pci_driver rtw89_8852be_driver = {
85 .name = "rtw89_8852be",
86 .id_table = rtw89_8852be_id_table,
87 .probe = rtw89_pci_probe,
88 .remove = rtw89_pci_remove,
89 .driver.pm = &rtw89_pm_ops,
90};
91module_pci_driver(rtw89_8852be_driver);
92
93MODULE_AUTHOR("Realtek Corporation");
94MODULE_DESCRIPTION("Realtek 802.11ax wireless 8852BE driver");
95MODULE_LICENSE("Dual BSD/GPL");
96

source code of linux/drivers/net/wireless/realtek/rtw89/rtw8852be.c