1/* SPDX-License-Identifier: GPL-2.0-only */
2#ifndef P54PCI_H
3#define P54PCI_H
4#include <linux/interrupt.h>
5
6/*
7 * Defines for PCI based mac80211 Prism54 driver
8 *
9 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
10 *
11 * Based on the islsm (softmac prism54) driver, which is:
12 * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
13 */
14
15/* Device Interrupt register bits */
16#define ISL38XX_DEV_INT_RESET 0x0001
17#define ISL38XX_DEV_INT_UPDATE 0x0002
18#define ISL38XX_DEV_INT_WAKEUP 0x0008
19#define ISL38XX_DEV_INT_SLEEP 0x0010
20#define ISL38XX_DEV_INT_ABORT 0x0020
21/* these two only used in USB */
22#define ISL38XX_DEV_INT_DATA 0x0040
23#define ISL38XX_DEV_INT_MGMT 0x0080
24
25#define ISL38XX_DEV_INT_PCIUART_CTS 0x4000
26#define ISL38XX_DEV_INT_PCIUART_DR 0x8000
27
28/* Interrupt Identification/Acknowledge/Enable register bits */
29#define ISL38XX_INT_IDENT_UPDATE 0x0002
30#define ISL38XX_INT_IDENT_INIT 0x0004
31#define ISL38XX_INT_IDENT_WAKEUP 0x0008
32#define ISL38XX_INT_IDENT_SLEEP 0x0010
33#define ISL38XX_INT_IDENT_PCIUART_CTS 0x4000
34#define ISL38XX_INT_IDENT_PCIUART_DR 0x8000
35
36/* Control/Status register bits */
37#define ISL38XX_CTRL_STAT_SLEEPMODE 0x00000200
38#define ISL38XX_CTRL_STAT_CLKRUN 0x00800000
39#define ISL38XX_CTRL_STAT_RESET 0x10000000
40#define ISL38XX_CTRL_STAT_RAMBOOT 0x20000000
41#define ISL38XX_CTRL_STAT_STARTHALTED 0x40000000
42#define ISL38XX_CTRL_STAT_HOST_OVERRIDE 0x80000000
43
44struct p54p_csr {
45 __le32 dev_int;
46 u8 unused_1[12];
47 __le32 int_ident;
48 __le32 int_ack;
49 __le32 int_enable;
50 u8 unused_2[4];
51 union {
52 __le32 ring_control_base;
53 __le32 gen_purp_com[2];
54 };
55 u8 unused_3[8];
56 __le32 direct_mem_base;
57 u8 unused_4[44];
58 __le32 dma_addr;
59 __le32 dma_len;
60 __le32 dma_ctrl;
61 u8 unused_5[12];
62 __le32 ctrl_stat;
63 u8 unused_6[1924];
64 u8 cardbus_cis[0x800];
65 u8 direct_mem_win[0x1000];
66} __packed;
67
68/* usb backend only needs the register defines above */
69#ifndef P54USB_H
70struct p54p_desc {
71 __le32 host_addr;
72 __le32 device_addr;
73 __le16 len;
74 __le16 flags;
75} __packed;
76
77struct p54p_ring_control {
78 __le32 host_idx[4];
79 __le32 device_idx[4];
80 struct p54p_desc rx_data[8];
81 struct p54p_desc tx_data[32];
82 struct p54p_desc rx_mgmt[4];
83 struct p54p_desc tx_mgmt[4];
84} __packed;
85
86#define P54P_READ(r) (__force __le32)__raw_readl(&priv->map->r)
87#define P54P_WRITE(r, val) __raw_writel((__force u32)(__le32)(val), &priv->map->r)
88
89struct p54p_priv {
90 struct p54_common common;
91 struct pci_dev *pdev;
92 struct p54p_csr __iomem *map;
93 struct tasklet_struct tasklet;
94 const struct firmware *firmware;
95 spinlock_t lock;
96 struct p54p_ring_control *ring_control;
97 dma_addr_t ring_control_dma;
98 u32 rx_idx_data, tx_idx_data;
99 u32 rx_idx_mgmt, tx_idx_mgmt;
100 struct sk_buff *rx_buf_data[8];
101 struct sk_buff *rx_buf_mgmt[4];
102 struct sk_buff *tx_buf_data[32];
103 struct sk_buff *tx_buf_mgmt[4];
104 struct completion boot_comp;
105 struct completion fw_loaded;
106};
107
108#endif /* P54USB_H */
109#endif /* P54PCI_H */
110

source code of linux/drivers/net/wireless/intersil/p54/p54pci.h