diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw89/pci.h')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/pci.h | 630 |
1 files changed, 630 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/pci.h b/drivers/net/wireless/realtek/rtw89/pci.h new file mode 100644 index 000000000000..20e6767ea5c4 --- /dev/null +++ b/drivers/net/wireless/realtek/rtw89/pci.h @@ -0,0 +1,630 @@ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ +/* Copyright(c) 2020 Realtek Corporation + */ + +#ifndef __RTW89_PCI_H__ +#define __RTW89_PCI_H__ + +#include "txrx.h" + +#define MDIO_PG0_G1 0 +#define MDIO_PG1_G1 1 +#define MDIO_PG0_G2 2 +#define MDIO_PG1_G2 3 +#define RAC_ANA10 0x10 +#define RAC_ANA19 0x19 +#define RAC_ANA1F 0x1F +#define RAC_ANA24 0x24 +#define B_AX_DEGLITCH GENMASK(11, 8) +#define RAC_ANA26 0x26 +#define B_AX_RXEN GENMASK(15, 14) +#define RAC_CTRL_PPR_V1 0x30 +#define B_AX_CLK_CALIB_EN BIT(12) +#define B_AX_CALIB_EN BIT(13) +#define B_AX_DIV GENMASK(15, 14) +#define RAC_SET_PPR_V1 0x31 + +#define R_AX_DBI_FLAG 0x1090 +#define B_AX_DBI_RFLAG BIT(17) +#define B_AX_DBI_WFLAG BIT(16) +#define B_AX_DBI_WREN_MSK GENMASK(15, 12) +#define B_AX_DBI_ADDR_MSK GENMASK(11, 2) +#define R_AX_DBI_WDATA 0x1094 +#define R_AX_DBI_RDATA 0x1098 + +#define R_AX_MDIO_WDATA 0x10A4 +#define R_AX_MDIO_RDATA 0x10A6 + +#define RTW89_PCI_WR_RETRY_CNT 20 + +/* Interrupts */ +#define R_AX_HIMR0 0x01A0 +#define B_AX_HALT_C2H_INT_EN BIT(21) +#define R_AX_HISR0 0x01A4 + +#define R_AX_MDIO_CFG 0x10A0 +#define B_AX_MDIO_PHY_ADDR_MASK GENMASK(13, 12) +#define B_AX_MDIO_RFLAG BIT(9) +#define B_AX_MDIO_WFLAG BIT(8) +#define B_AX_MDIO_ADDR_MASK GENMASK(4, 0) + +#define R_AX_PCIE_HIMR00 0x10B0 +#define B_AX_HC00ISR_IND_INT_EN BIT(27) +#define B_AX_HD1ISR_IND_INT_EN BIT(26) +#define B_AX_HD0ISR_IND_INT_EN BIT(25) +#define B_AX_HS0ISR_IND_INT_EN BIT(24) +#define B_AX_RETRAIN_INT_EN BIT(21) +#define B_AX_RPQBD_FULL_INT_EN BIT(20) +#define B_AX_RDU_INT_EN BIT(19) +#define B_AX_RXDMA_STUCK_INT_EN BIT(18) +#define B_AX_TXDMA_STUCK_INT_EN BIT(17) +#define B_AX_PCIE_HOTRST_INT_EN BIT(16) +#define B_AX_PCIE_FLR_INT_EN BIT(15) +#define B_AX_PCIE_PERST_INT_EN BIT(14) +#define B_AX_TXDMA_CH12_INT_EN BIT(13) +#define B_AX_TXDMA_CH9_INT_EN BIT(12) +#define B_AX_TXDMA_CH8_INT_EN BIT(11) +#define B_AX_TXDMA_ACH7_INT_EN BIT(10) +#define B_AX_TXDMA_ACH6_INT_EN BIT(9) +#define B_AX_TXDMA_ACH5_INT_EN BIT(8) +#define B_AX_TXDMA_ACH4_INT_EN BIT(7) +#define B_AX_TXDMA_ACH3_INT_EN BIT(6) +#define B_AX_TXDMA_ACH2_INT_EN BIT(5) +#define B_AX_TXDMA_ACH1_INT_EN BIT(4) +#define B_AX_TXDMA_ACH0_INT_EN BIT(3) +#define B_AX_RPQDMA_INT_EN BIT(2) +#define B_AX_RXP1DMA_INT_EN BIT(1) +#define B_AX_RXDMA_INT_EN BIT(0) + +#define R_AX_PCIE_HISR00 0x10B4 +#define B_AX_HC00ISR_IND_INT BIT(27) +#define B_AX_HD1ISR_IND_INT BIT(26) +#define B_AX_HD0ISR_IND_INT BIT(25) +#define B_AX_HS0ISR_IND_INT BIT(24) +#define B_AX_RETRAIN_INT BIT(21) +#define B_AX_RPQBD_FULL_INT BIT(20) +#define B_AX_RDU_INT BIT(19) +#define B_AX_RXDMA_STUCK_INT BIT(18) +#define B_AX_TXDMA_STUCK_INT BIT(17) +#define B_AX_PCIE_HOTRST_INT BIT(16) +#define B_AX_PCIE_FLR_INT BIT(15) +#define B_AX_PCIE_PERST_INT BIT(14) +#define B_AX_TXDMA_CH12_INT BIT(13) +#define B_AX_TXDMA_CH9_INT BIT(12) +#define B_AX_TXDMA_CH8_INT BIT(11) +#define B_AX_TXDMA_ACH7_INT BIT(10) +#define B_AX_TXDMA_ACH6_INT BIT(9) +#define B_AX_TXDMA_ACH5_INT BIT(8) +#define B_AX_TXDMA_ACH4_INT BIT(7) +#define B_AX_TXDMA_ACH3_INT BIT(6) +#define B_AX_TXDMA_ACH2_INT BIT(5) +#define B_AX_TXDMA_ACH1_INT BIT(4) +#define B_AX_TXDMA_ACH0_INT BIT(3) +#define B_AX_RPQDMA_INT BIT(2) +#define B_AX_RXP1DMA_INT BIT(1) +#define B_AX_RXDMA_INT BIT(0) + +#define R_AX_PCIE_HIMR10 0x13B0 +#define B_AX_HC10ISR_IND_INT_EN BIT(28) +#define B_AX_TXDMA_CH11_INT_EN BIT(12) +#define B_AX_TXDMA_CH10_INT_EN BIT(11) + +#define R_AX_PCIE_HISR10 0x13B4 +#define B_AX_HC10ISR_IND_INT BIT(28) +#define B_AX_TXDMA_CH11_INT BIT(12) +#define B_AX_TXDMA_CH10_INT BIT(11) + +/* TX/RX */ +#define R_AX_RXQ_RXBD_IDX 0x1050 +#define R_AX_RPQ_RXBD_IDX 0x1054 +#define R_AX_ACH0_TXBD_IDX 0x1058 +#define R_AX_ACH1_TXBD_IDX 0x105C +#define R_AX_ACH2_TXBD_IDX 0x1060 +#define R_AX_ACH3_TXBD_IDX 0x1064 +#define R_AX_ACH4_TXBD_IDX 0x1068 +#define R_AX_ACH5_TXBD_IDX 0x106C +#define R_AX_ACH6_TXBD_IDX 0x1070 +#define R_AX_ACH7_TXBD_IDX 0x1074 +#define R_AX_CH8_TXBD_IDX 0x1078 /* Management Queue band 0 */ +#define R_AX_CH9_TXBD_IDX 0x107C /* HI Queue band 0 */ +#define R_AX_CH10_TXBD_IDX 0x137C /* Management Queue band 1 */ +#define R_AX_CH11_TXBD_IDX 0x1380 /* HI Queue band 1 */ +#define R_AX_CH12_TXBD_IDX 0x1080 /* FWCMD Queue */ +#define TXBD_HW_IDX_MASK GENMASK(27, 16) +#define TXBD_HOST_IDX_MASK GENMASK(11, 0) + +#define R_AX_ACH0_TXBD_DESA_L 0x1110 +#define R_AX_ACH0_TXBD_DESA_H 0x1114 +#define R_AX_ACH1_TXBD_DESA_L 0x1118 +#define R_AX_ACH1_TXBD_DESA_H 0x111C +#define R_AX_ACH2_TXBD_DESA_L 0x1120 +#define R_AX_ACH2_TXBD_DESA_H 0x1124 +#define R_AX_ACH3_TXBD_DESA_L 0x1128 +#define R_AX_ACH3_TXBD_DESA_H 0x112C +#define R_AX_ACH4_TXBD_DESA_L 0x1130 +#define R_AX_ACH4_TXBD_DESA_H 0x1134 +#define R_AX_ACH5_TXBD_DESA_L 0x1138 +#define R_AX_ACH5_TXBD_DESA_H 0x113C +#define R_AX_ACH6_TXBD_DESA_L 0x1140 +#define R_AX_ACH6_TXBD_DESA_H 0x1144 +#define R_AX_ACH7_TXBD_DESA_L 0x1148 +#define R_AX_ACH7_TXBD_DESA_H 0x114C +#define R_AX_CH8_TXBD_DESA_L 0x1150 +#define R_AX_CH8_TXBD_DESA_H 0x1154 +#define R_AX_CH9_TXBD_DESA_L 0x1158 +#define R_AX_CH9_TXBD_DESA_H 0x115C +#define R_AX_CH10_TXBD_DESA_L 0x1358 +#define R_AX_CH10_TXBD_DESA_H 0x135C +#define R_AX_CH11_TXBD_DESA_L 0x1360 +#define R_AX_CH11_TXBD_DESA_H 0x1364 +#define R_AX_CH12_TXBD_DESA_L 0x1160 +#define R_AX_CH12_TXBD_DESA_H 0x1164 +#define R_AX_RXQ_RXBD_DESA_L 0x1100 +#define R_AX_RXQ_RXBD_DESA_H 0x1104 +#define R_AX_RPQ_RXBD_DESA_L 0x1108 +#define R_AX_RPQ_RXBD_DESA_H 0x110C +#define B_AX_DESC_NUM_MSK GENMASK(11, 0) + +#define R_AX_RXQ_RXBD_NUM 0x1020 +#define R_AX_RPQ_RXBD_NUM 0x1022 +#define R_AX_ACH0_TXBD_NUM 0x1024 +#define R_AX_ACH1_TXBD_NUM 0x1026 +#define R_AX_ACH2_TXBD_NUM 0x1028 +#define R_AX_ACH3_TXBD_NUM 0x102A +#define R_AX_ACH4_TXBD_NUM 0x102C +#define R_AX_ACH5_TXBD_NUM 0x102E +#define R_AX_ACH6_TXBD_NUM 0x1030 +#define R_AX_ACH7_TXBD_NUM 0x1032 +#define R_AX_CH8_TXBD_NUM 0x1034 +#define R_AX_CH9_TXBD_NUM 0x1036 +#define R_AX_CH10_TXBD_NUM 0x1338 +#define R_AX_CH11_TXBD_NUM 0x133A +#define R_AX_CH12_TXBD_NUM 0x1038 + +#define R_AX_ACH0_BDRAM_CTRL 0x1200 +#define R_AX_ACH1_BDRAM_CTRL 0x1204 +#define R_AX_ACH2_BDRAM_CTRL 0x1208 +#define R_AX_ACH3_BDRAM_CTRL 0x120C +#define R_AX_ACH4_BDRAM_CTRL 0x1210 +#define R_AX_ACH5_BDRAM_CTRL 0x1214 +#define R_AX_ACH6_BDRAM_CTRL 0x1218 +#define R_AX_ACH7_BDRAM_CTRL 0x121C +#define R_AX_CH8_BDRAM_CTRL 0x1220 +#define R_AX_CH9_BDRAM_CTRL 0x1224 +#define R_AX_CH10_BDRAM_CTRL 0x1320 +#define R_AX_CH11_BDRAM_CTRL 0x1324 +#define R_AX_CH12_BDRAM_CTRL 0x1228 +#define BDRAM_SIDX_MASK GENMASK(7, 0) +#define BDRAM_MAX_MASK GENMASK(15, 8) +#define BDRAM_MIN_MASK GENMASK(23, 16) + +#define R_AX_PCIE_INIT_CFG1 0x1000 +#define B_AX_PCIE_RXRST_KEEP_REG BIT(23) +#define B_AX_PCIE_TXRST_KEEP_REG BIT(22) +#define B_AX_PCIE_PERST_KEEP_REG BIT(21) +#define B_AX_PCIE_FLR_KEEP_REG BIT(20) +#define B_AX_PCIE_TRAIN_KEEP_REG BIT(19) +#define B_AX_RXBD_MODE BIT(18) +#define B_AX_PCIE_MAX_RXDMA_MASK GENMASK(16, 14) +#define B_AX_RXHCI_EN BIT(13) +#define B_AX_LATENCY_CONTROL BIT(12) +#define B_AX_TXHCI_EN BIT(11) +#define B_AX_PCIE_MAX_TXDMA_MASK GENMASK(10, 8) +#define B_AX_TX_TRUNC_MODE BIT(5) +#define B_AX_RX_TRUNC_MODE BIT(4) +#define B_AX_RST_BDRAM BIT(3) +#define B_AX_DIS_RXDMA_PRE BIT(2) + +#define R_AX_TXDMA_ADDR_H 0x10F0 +#define R_AX_RXDMA_ADDR_H 0x10F4 + +#define R_AX_PCIE_DMA_STOP1 0x1010 +#define B_AX_STOP_PCIEIO BIT(20) +#define B_AX_STOP_WPDMA BIT(19) +#define B_AX_STOP_CH12 BIT(18) +#define B_AX_STOP_CH9 BIT(17) +#define B_AX_STOP_CH8 BIT(16) +#define B_AX_STOP_ACH7 BIT(15) +#define B_AX_STOP_ACH6 BIT(14) +#define B_AX_STOP_ACH5 BIT(13) +#define B_AX_STOP_ACH4 BIT(12) +#define B_AX_STOP_ACH3 BIT(11) +#define B_AX_STOP_ACH2 BIT(10) +#define B_AX_STOP_ACH1 BIT(9) +#define B_AX_STOP_ACH0 BIT(8) +#define B_AX_STOP_RPQ BIT(1) +#define B_AX_STOP_RXQ BIT(0) +#define B_AX_TX_STOP1_ALL GENMASK(18, 8) + +#define R_AX_PCIE_DMA_STOP2 0x1310 +#define B_AX_STOP_CH11 BIT(1) +#define B_AX_STOP_CH10 BIT(0) +#define B_AX_TX_STOP2_ALL GENMASK(1, 0) + +#define R_AX_TXBD_RWPTR_CLR1 0x1014 +#define B_AX_CLR_CH12_IDX BIT(10) +#define B_AX_CLR_CH9_IDX BIT(9) +#define B_AX_CLR_CH8_IDX BIT(8) +#define B_AX_CLR_ACH7_IDX BIT(7) +#define B_AX_CLR_ACH6_IDX BIT(6) +#define B_AX_CLR_ACH5_IDX BIT(5) +#define B_AX_CLR_ACH4_IDX BIT(4) +#define B_AX_CLR_ACH3_IDX BIT(3) +#define B_AX_CLR_ACH2_IDX BIT(2) +#define B_AX_CLR_ACH1_IDX BIT(1) +#define B_AX_CLR_ACH0_IDX BIT(0) +#define B_AX_TXBD_CLR1_ALL GENMASK(10, 0) + +#define R_AX_RXBD_RWPTR_CLR 0x1018 +#define B_AX_CLR_RPQ_IDX BIT(1) +#define B_AX_CLR_RXQ_IDX BIT(0) +#define B_AX_RXBD_CLR_ALL GENMASK(1, 0) + +#define R_AX_TXBD_RWPTR_CLR2 0x1314 +#define B_AX_CLR_CH11_IDX BIT(1) +#define B_AX_CLR_CH10_IDX BIT(0) +#define B_AX_TXBD_CLR2_ALL GENMASK(1, 0) + +#define R_AX_PCIE_DMA_BUSY1 0x101C +#define B_AX_PCIEIO_RX_BUSY BIT(22) +#define B_AX_PCIEIO_TX_BUSY BIT(21) +#define B_AX_PCIEIO_BUSY BIT(20) +#define B_AX_WPDMA_BUSY BIT(19) + +#define R_AX_PCIE_DMA_BUSY2 0x131C +#define B_AX_CH11_BUSY BIT(1) +#define B_AX_CH10_BUSY BIT(0) + +/* Configure */ +#define R_AX_PCIE_INIT_CFG2 0x1004 +#define B_AX_WD_ITVL_IDLE GENMASK(27, 24) +#define B_AX_WD_ITVL_ACT GENMASK(19, 16) + +#define R_AX_PCIE_PS_CTRL 0x1008 +#define B_AX_L1OFF_PWR_OFF_EN BIT(5) + +#define R_AX_INT_MIT_RX 0x10D4 +#define B_AX_RXMIT_RXP2_SEL BIT(19) +#define B_AX_RXMIT_RXP1_SEL BIT(18) +#define B_AX_RXTIMER_UNIT_MASK GENMASK(17, 16) +#define AX_RXTIMER_UNIT_64US 0 +#define AX_RXTIMER_UNIT_128US 1 +#define AX_RXTIMER_UNIT_256US 2 +#define AX_RXTIMER_UNIT_512US 3 +#define B_AX_RXCOUNTER_MATCH_MASK GENMASK(15, 8) +#define B_AX_RXTIMER_MATCH_MASK GENMASK(7, 0) + +#define R_AX_DBG_ERR_FLAG 0x11C4 +#define B_AX_PCIE_RPQ_FULL BIT(29) +#define B_AX_PCIE_RXQ_FULL BIT(28) +#define B_AX_CPL_STATUS_MASK GENMASK(27, 25) +#define B_AX_RX_STUCK BIT(22) +#define B_AX_TX_STUCK BIT(21) +#define B_AX_PCIEDBG_TXERR0 BIT(16) +#define B_AX_PCIE_RXP1_ERR0 BIT(4) +#define B_AX_PCIE_TXBD_LEN0 BIT(1) +#define B_AX_PCIE_TXBD_4KBOUD_LENERR BIT(0) + +#define R_AX_LBC_WATCHDOG 0x11D8 +#define B_AX_LBC_TIMER GENMASK(7, 4) +#define B_AX_LBC_FLAG BIT(1) +#define B_AX_LBC_EN BIT(0) + +#define R_AX_PCIE_EXP_CTRL 0x13F0 +#define B_AX_EN_CHKDSC_NO_RX_STUCK BIT(20) +#define B_AX_MAX_TAG_NUM GENMASK(18, 16) +#define B_AX_SIC_EN_FORCE_CLKREQ BIT(4) + +#define R_AX_PCIE_RX_PREF_ADV 0x13F4 +#define B_AX_RXDMA_PREF_ADV_EN BIT(0) + +#define RTW89_PCI_TXBD_NUM_MAX 256 +#define RTW89_PCI_RXBD_NUM_MAX 256 +#define RTW89_PCI_TXWD_NUM_MAX 512 +#define RTW89_PCI_TXWD_PAGE_SIZE 128 +#define RTW89_PCI_ADDRINFO_MAX 4 +#define RTW89_PCI_RX_BUF_SIZE 11460 + +#define RTW89_PCI_POLL_BDRAM_RST_CNT 100 +#define RTW89_PCI_MULTITAG 8 + +/* PCIE CFG register */ +#define RTW89_PCIE_ASPM_CTRL 0x070F +#define RTW89_L1DLY_MASK GENMASK(5, 3) +#define RTW89_L0DLY_MASK GENMASK(2, 0) +#define RTW89_PCIE_TIMER_CTRL 0x0718 +#define RTW89_PCIE_BIT_L1SUB BIT(5) +#define RTW89_PCIE_L1_CTRL 0x0719 +#define RTW89_PCIE_BIT_CLK BIT(4) +#define RTW89_PCIE_BIT_L1 BIT(3) +#define RTW89_PCIE_CLK_CTRL 0x0725 +#define RTW89_PCIE_RST_MSTATE 0x0B48 +#define RTW89_PCIE_BIT_CFG_RST_MSTATE BIT(0) +#define RTW89_PCIE_PHY_RATE 0x82 +#define RTW89_PCIE_PHY_RATE_MASK GENMASK(1, 0) +#define INTF_INTGRA_MINREF_V1 90 +#define INTF_INTGRA_HOSTREF_V1 100 + +enum rtw89_pcie_phy { + PCIE_PHY_GEN1, + PCIE_PHY_GEN2, + 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, + PCIE_L0SDLY_3US = 2, + PCIE_L0SDLY_4US = 3, + PCIE_L0SDLY_5US = 4, + PCIE_L0SDLY_6US = 5, + PCIE_L0SDLY_7US = 6, +}; + +enum rtw89_pcie_l1dly { + PCIE_L1DLY_16US = 4, + PCIE_L1DLY_32US = 5, + PCIE_L1DLY_64US = 6, + PCIE_L1DLY_HW_INFI = 7, +}; + +enum rtw89_pcie_clkdly_hw { + PCIE_CLKDLY_HW_0 = 0, + PCIE_CLKDLY_HW_30US = 0x1, + PCIE_CLKDLY_HW_50US = 0x2, + PCIE_CLKDLY_HW_100US = 0x3, + PCIE_CLKDLY_HW_150US = 0x4, + PCIE_CLKDLY_HW_200US = 0x5, +}; + +struct rtw89_pci_bd_ram { + u8 start_idx; + u8 max_num; + u8 min_num; +}; + +struct rtw89_pci_tx_data { + dma_addr_t dma; +}; + +struct rtw89_pci_rx_info { + dma_addr_t dma; + u32 fs:1, ls:1, tag:11, len:14; +}; + +#define RTW89_PCI_TXBD_OPTION_LS BIT(14) + +struct rtw89_pci_tx_bd_32 { + __le16 length; + __le16 option; + __le32 dma; +} __packed; + +#define RTW89_PCI_TXWP_VALID BIT(15) + +struct rtw89_pci_tx_wp_info { + __le16 seq0; + __le16 seq1; + __le16 seq2; + __le16 seq3; +} __packed; + +#define RTW89_PCI_ADDR_MSDU_LS BIT(15) +#define RTW89_PCI_ADDR_LS BIT(14) +#define RTW89_PCI_ADDR_HIGH(a) (((a) << 6) & GENMASK(13, 6)) +#define RTW89_PCI_ADDR_NUM(x) ((x) & GENMASK(5, 0)) + +struct rtw89_pci_tx_addr_info_32 { + __le16 length; + __le16 option; + __le32 dma; +} __packed; + +#define RTW89_PCI_RPP_POLLUTED BIT(31) +#define RTW89_PCI_RPP_SEQ GENMASK(30, 16) +#define RTW89_PCI_RPP_TX_STATUS GENMASK(15, 13) +#define RTW89_TX_DONE 0x0 +#define RTW89_TX_RETRY_LIMIT 0x1 +#define RTW89_TX_LIFE_TIME 0x2 +#define RTW89_TX_MACID_DROP 0x3 +#define RTW89_PCI_RPP_QSEL GENMASK(12, 8) +#define RTW89_PCI_RPP_MACID GENMASK(7, 0) + +struct rtw89_pci_rpp_fmt { + __le32 dword; +} __packed; + +struct rtw89_pci_rx_bd_32 { + __le16 buf_size; + __le16 rsvd; + __le32 dma; +} __packed; + +#define RTW89_PCI_RXBD_FS BIT(15) +#define RTW89_PCI_RXBD_LS BIT(14) +#define RTW89_PCI_RXBD_WRITE_SIZE GENMASK(13, 0) +#define RTW89_PCI_RXBD_TAG GENMASK(28, 16) + +struct rtw89_pci_rxbd_info { + __le32 dword; +}; + +struct rtw89_pci_tx_wd { + struct list_head list; + struct sk_buff_head queue; + + void *vaddr; + dma_addr_t paddr; + u32 len; + u32 seq; +}; + +struct rtw89_pci_dma_ring { + void *head; + u8 desc_size; + dma_addr_t dma; + + u32 addr_num; + u32 addr_idx; + u32 addr_bdram; + u32 addr_desa_l; + u32 addr_desa_h; + + u32 len; + u32 wp; /* host idx */ + u32 rp; /* hw idx */ +}; + +struct rtw89_pci_tx_wd_ring { + void *head; + dma_addr_t dma; + + struct rtw89_pci_tx_wd pages[RTW89_PCI_TXWD_NUM_MAX]; + struct list_head free_pages; + + u32 page_size; + u32 page_num; + u32 curr_num; +}; + +#define RTW89_RX_TAG_MAX 0x1fff + +struct rtw89_pci_tx_ring { + struct rtw89_pci_tx_wd_ring wd_ring; + struct rtw89_pci_dma_ring bd_ring; + struct list_head busy_pages; + u8 txch; + bool dma_enabled; + u16 tag; /* range from 0x0001 ~ 0x1fff */ + + u64 tx_cnt; + u64 tx_acked; + u64 tx_retry_lmt; + u64 tx_life_time; + u64 tx_mac_id_drop; +}; + +struct rtw89_pci_rx_ring { + struct rtw89_pci_dma_ring bd_ring; + struct sk_buff *buf[RTW89_PCI_RXBD_NUM_MAX]; + u32 buf_sz; + struct sk_buff *diliver_skb; + struct rtw89_rx_desc_info diliver_desc; +}; + +struct rtw89_pci_isrs { + u32 halt_c2h_isrs; + u32 isrs[2]; +}; + +struct rtw89_pci { + struct pci_dev *pdev; + + /* protect HW irq related registers */ + spinlock_t irq_lock; + /* protect TRX resources (exclude RXQ) */ + spinlock_t trx_lock; + bool running; + struct rtw89_pci_tx_ring tx_rings[RTW89_TXCH_NUM]; + struct rtw89_pci_rx_ring rx_rings[RTW89_RXCH_NUM]; + struct sk_buff_head h2c_queue; + struct sk_buff_head h2c_release_queue; + + u32 halt_c2h_intrs; + u32 intrs[2]; + void __iomem *mmap; +}; + +static inline struct rtw89_pci_rx_info *RTW89_PCI_RX_SKB_CB(struct sk_buff *skb) +{ + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + + BUILD_BUG_ON(sizeof(struct rtw89_pci_tx_data) > + sizeof(info->status.status_driver_data)); + + return (struct rtw89_pci_rx_info *)skb->cb; +} + +static inline struct rtw89_pci_rx_bd_32 * +RTW89_PCI_RX_BD(struct rtw89_pci_rx_ring *rx_ring, u32 idx) +{ + struct rtw89_pci_dma_ring *bd_ring = &rx_ring->bd_ring; + u8 *head = bd_ring->head; + u32 desc_size = bd_ring->desc_size; + u32 offset = idx * desc_size; + + return (struct rtw89_pci_rx_bd_32 *)(head + offset); +} + +static inline void +rtw89_pci_rxbd_increase(struct rtw89_pci_rx_ring *rx_ring, u32 cnt) +{ + struct rtw89_pci_dma_ring *bd_ring = &rx_ring->bd_ring; + + bd_ring->wp += cnt; + + if (bd_ring->wp >= bd_ring->len) + bd_ring->wp -= bd_ring->len; +} + +static inline struct rtw89_pci_tx_data *RTW89_PCI_TX_SKB_CB(struct sk_buff *skb) +{ + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + + return (struct rtw89_pci_tx_data *)info->status.status_driver_data; +} + +static inline struct rtw89_pci_tx_bd_32 * +rtw89_pci_get_next_txbd(struct rtw89_pci_tx_ring *tx_ring) +{ + struct rtw89_pci_dma_ring *bd_ring = &tx_ring->bd_ring; + struct rtw89_pci_tx_bd_32 *tx_bd, *head; + + head = bd_ring->head; + tx_bd = head + bd_ring->wp; + + return tx_bd; +} + +static inline struct rtw89_pci_tx_wd * +rtw89_pci_dequeue_txwd(struct rtw89_pci_tx_ring *tx_ring) +{ + struct rtw89_pci_tx_wd_ring *wd_ring = &tx_ring->wd_ring; + struct rtw89_pci_tx_wd *txwd; + + txwd = list_first_entry_or_null(&wd_ring->free_pages, + struct rtw89_pci_tx_wd, list); + if (!txwd) + return NULL; + + list_del_init(&txwd->list); + txwd->len = 0; + wd_ring->curr_num--; + + return txwd; +} + +static inline void +rtw89_pci_enqueue_txwd(struct rtw89_pci_tx_ring *tx_ring, + struct rtw89_pci_tx_wd *txwd) +{ + struct rtw89_pci_tx_wd_ring *wd_ring = &tx_ring->wd_ring; + + memset(txwd->vaddr, 0, wd_ring->page_size); + list_add_tail(&txwd->list, &wd_ring->free_pages); + wd_ring->curr_num++; +} + +static inline bool rtw89_pci_ltr_is_err_reg_val(u32 val) +{ + return val == 0xffffffff || val == 0xeaeaeaea; +} + +extern const struct dev_pm_ops rtw89_pm_ops; + +#endif |