1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /* Copyright(c) 2018-2019 Realtek Corporation
8 #define RTK_PCI_DEVICE(vend, dev, hw_config) \
9 PCI_DEVICE(vend, dev), \
10 .driver_data = (kernel_ulong_t)&(hw_config),
12 #define RTK_DEFAULT_TX_DESC_NUM 128
13 #define RTK_BEQ_TX_DESC_NUM 256
15 #define RTK_MAX_RX_DESC_NUM 512
16 /* 8K + rx desc size */
17 #define RTK_PCI_RX_BUF_SIZE (8192 + 24)
19 #define RTK_PCI_CTRL 0x300
20 #define BIT_RST_TRXDMA_INTF BIT(20)
21 #define BIT_RX_TAG_EN BIT(15)
22 #define REG_DBI_WDATA_V1 0x03E8
23 #define REG_DBI_FLAG_V1 0x03F0
24 #define REG_MDIO_V1 0x03F4
25 #define REG_PCIE_MIX_CFG 0x03F8
26 #define BIT_MDIO_WFLAG_V1 BIT(5)
28 #define BIT_PCI_BCNQ_FLAG BIT(4)
29 #define RTK_PCI_TXBD_DESA_BCNQ 0x308
30 #define RTK_PCI_TXBD_DESA_H2CQ 0x1320
31 #define RTK_PCI_TXBD_DESA_MGMTQ 0x310
32 #define RTK_PCI_TXBD_DESA_BKQ 0x330
33 #define RTK_PCI_TXBD_DESA_BEQ 0x328
34 #define RTK_PCI_TXBD_DESA_VIQ 0x320
35 #define RTK_PCI_TXBD_DESA_VOQ 0x318
36 #define RTK_PCI_TXBD_DESA_HI0Q 0x340
37 #define RTK_PCI_RXBD_DESA_MPDUQ 0x338
39 /* BCNQ is specialized for rsvd page, does not need to specify a number */
40 #define RTK_PCI_TXBD_NUM_H2CQ 0x1328
41 #define RTK_PCI_TXBD_NUM_MGMTQ 0x380
42 #define RTK_PCI_TXBD_NUM_BKQ 0x38A
43 #define RTK_PCI_TXBD_NUM_BEQ 0x388
44 #define RTK_PCI_TXBD_NUM_VIQ 0x386
45 #define RTK_PCI_TXBD_NUM_VOQ 0x384
46 #define RTK_PCI_TXBD_NUM_HI0Q 0x38C
47 #define RTK_PCI_RXBD_NUM_MPDUQ 0x382
48 #define RTK_PCI_TXBD_IDX_H2CQ 0x132C
49 #define RTK_PCI_TXBD_IDX_MGMTQ 0x3B0
50 #define RTK_PCI_TXBD_IDX_BKQ 0x3AC
51 #define RTK_PCI_TXBD_IDX_BEQ 0x3A8
52 #define RTK_PCI_TXBD_IDX_VIQ 0x3A4
53 #define RTK_PCI_TXBD_IDX_VOQ 0x3A0
54 #define RTK_PCI_TXBD_IDX_HI0Q 0x3B8
55 #define RTK_PCI_RXBD_IDX_MPDUQ 0x3B4
57 #define RTK_PCI_TXBD_RWPTR_CLR 0x39C
58 #define RTK_PCI_TXBD_H2CQ_CSR 0x1330
60 #define BIT_CLR_H2CQ_HOST_IDX BIT(16)
61 #define BIT_CLR_H2CQ_HW_IDX BIT(8)
63 #define RTK_PCI_HIMR0 0x0B0
64 #define RTK_PCI_HISR0 0x0B4
65 #define RTK_PCI_HIMR1 0x0B8
66 #define RTK_PCI_HISR1 0x0BC
67 #define RTK_PCI_HIMR2 0x10B0
68 #define RTK_PCI_HISR2 0x10B4
69 #define RTK_PCI_HIMR3 0x10B8
70 #define RTK_PCI_HISR3 0x10BC
72 #define IMR_TIMER2 BIT(31)
73 #define IMR_TIMER1 BIT(30)
74 #define IMR_PSTIMEOUT BIT(29)
75 #define IMR_GTINT4 BIT(28)
76 #define IMR_GTINT3 BIT(27)
77 #define IMR_TBDER BIT(26)
78 #define IMR_TBDOK BIT(25)
79 #define IMR_TSF_BIT32_TOGGLE BIT(24)
80 #define IMR_BCNDMAINT0 BIT(20)
81 #define IMR_BCNDOK0 BIT(16)
82 #define IMR_HSISR_IND_ON_INT BIT(15)
83 #define IMR_BCNDMAINT_E BIT(14)
84 #define IMR_ATIMEND BIT(12)
85 #define IMR_HISR1_IND_INT BIT(11)
86 #define IMR_C2HCMD BIT(10)
87 #define IMR_CPWM2 BIT(9)
88 #define IMR_CPWM BIT(8)
89 #define IMR_HIGHDOK BIT(7)
90 #define IMR_MGNTDOK BIT(6)
91 #define IMR_BKDOK BIT(5)
92 #define IMR_BEDOK BIT(4)
93 #define IMR_VIDOK BIT(3)
94 #define IMR_VODOK BIT(2)
95 #define IMR_RDU BIT(1)
96 #define IMR_ROK BIT(0)
98 #define IMR_TXFIFO_TH_INT BIT(30)
99 #define IMR_BTON_STS_UPDATE BIT(29)
100 #define IMR_MCUERR BIT(28)
101 #define IMR_BCNDMAINT7 BIT(27)
102 #define IMR_BCNDMAINT6 BIT(26)
103 #define IMR_BCNDMAINT5 BIT(25)
104 #define IMR_BCNDMAINT4 BIT(24)
105 #define IMR_BCNDMAINT3 BIT(23)
106 #define IMR_BCNDMAINT2 BIT(22)
107 #define IMR_BCNDMAINT1 BIT(21)
108 #define IMR_BCNDOK7 BIT(20)
109 #define IMR_BCNDOK6 BIT(19)
110 #define IMR_BCNDOK5 BIT(18)
111 #define IMR_BCNDOK4 BIT(17)
112 #define IMR_BCNDOK3 BIT(16)
113 #define IMR_BCNDOK2 BIT(15)
114 #define IMR_BCNDOK1 BIT(14)
115 #define IMR_ATIMEND_E BIT(13)
116 #define IMR_ATIMEND BIT(12)
117 #define IMR_TXERR BIT(11)
118 #define IMR_RXERR BIT(10)
119 #define IMR_TXFOVW BIT(9)
120 #define IMR_RXFOVW BIT(8)
121 #define IMR_CPU_MGQ_TXDONE BIT(5)
122 #define IMR_PS_TIMER_C BIT(4)
123 #define IMR_PS_TIMER_B BIT(3)
124 #define IMR_PS_TIMER_A BIT(2)
125 #define IMR_CPUMGQ_TX_TIMER BIT(1)
127 #define IMR_H2CDOK BIT(16)
129 /* one element is reserved to know if the ring is closed */
130 static inline int avail_desc(u32 wp, u32 rp, u32 len)
135 return len - wp + rp - 1;
138 #define RTK_PCI_TXBD_OWN_OFFSET 15
139 #define RTK_PCI_TXBD_BCN_WORK 0x383
141 struct rtw_pci_tx_buffer_desc {
147 struct rtw_pci_tx_data {
152 struct rtw_pci_ring {
163 struct rtw_pci_tx_ring {
164 struct rtw_pci_ring r;
165 struct sk_buff_head queue;
169 struct rtw_pci_rx_buffer_desc {
171 __le16 total_pkt_size;
175 struct rtw_pci_rx_ring {
176 struct rtw_pci_ring r;
177 struct sk_buff *buf[RTK_MAX_RX_DESC_NUM];
180 #define RX_TAG_MAX 8192
183 struct pci_dev *pdev;
185 /* used for pci interrupt */
191 struct rtw_pci_tx_ring tx_rings[RTK_MAX_TX_QUEUE_NUM];
192 struct rtw_pci_rx_ring rx_rings[RTK_MAX_RX_QUEUE_NUM];
197 static u32 max_num_of_tx_queue(u8 queue)
202 case RTW_TX_QUEUE_BE:
203 max_num = RTK_BEQ_TX_DESC_NUM;
205 case RTW_TX_QUEUE_BCN:
209 max_num = RTK_DEFAULT_TX_DESC_NUM;
217 rtw_pci_tx_data *rtw_pci_get_tx_data(struct sk_buff *skb)
219 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
221 BUILD_BUG_ON(sizeof(struct rtw_pci_tx_data) >
222 sizeof(info->status.status_driver_data));
224 return (struct rtw_pci_tx_data *)info->status.status_driver_data;
228 struct rtw_pci_tx_buffer_desc *get_tx_buffer_desc(struct rtw_pci_tx_ring *ring,
233 buf_desc = ring->r.head + ring->r.wp * size;
234 return (struct rtw_pci_tx_buffer_desc *)buf_desc;