tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef PRISM54PCI_H
2#define PRISM54PCI_H
3
4/*
5 * Defines for PCI based mac80211 Prism54 driver
6 *
7 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
8 *
9 * Based on the islsm (softmac prism54) driver, which is:
10 * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
15 */
16
17/* Device Interrupt register bits */
18#define ISL38XX_DEV_INT_RESET 0x0001
19#define ISL38XX_DEV_INT_UPDATE 0x0002
20#define ISL38XX_DEV_INT_WAKEUP 0x0008
21#define ISL38XX_DEV_INT_SLEEP 0x0010
22#define ISL38XX_DEV_INT_ABORT 0x0020
23/* these two only used in USB */
24#define ISL38XX_DEV_INT_DATA 0x0040
25#define ISL38XX_DEV_INT_MGMT 0x0080
26
27#define ISL38XX_DEV_INT_PCIUART_CTS 0x4000
28#define ISL38XX_DEV_INT_PCIUART_DR 0x8000
29
30/* Interrupt Identification/Acknowledge/Enable register bits */
31#define ISL38XX_INT_IDENT_UPDATE 0x0002
32#define ISL38XX_INT_IDENT_INIT 0x0004
33#define ISL38XX_INT_IDENT_WAKEUP 0x0008
34#define ISL38XX_INT_IDENT_SLEEP 0x0010
35#define ISL38XX_INT_IDENT_PCIUART_CTS 0x4000
36#define ISL38XX_INT_IDENT_PCIUART_DR 0x8000
37
38/* Control/Status register bits */
39#define ISL38XX_CTRL_STAT_SLEEPMODE 0x00000200
40#define ISL38XX_CTRL_STAT_CLKRUN 0x00800000
41#define ISL38XX_CTRL_STAT_RESET 0x10000000
42#define ISL38XX_CTRL_STAT_RAMBOOT 0x20000000
43#define ISL38XX_CTRL_STAT_STARTHALTED 0x40000000
44#define ISL38XX_CTRL_STAT_HOST_OVERRIDE 0x80000000
45
46struct p54p_csr {
47 __le32 dev_int;
48 u8 unused_1[12];
49 __le32 int_ident;
50 __le32 int_ack;
51 __le32 int_enable;
52 u8 unused_2[4];
53 union {
54 __le32 ring_control_base;
55 __le32 gen_purp_com[2];
56 };
57 u8 unused_3[8];
58 __le32 direct_mem_base;
59 u8 unused_4[44];
60 __le32 dma_addr;
61 __le32 dma_len;
62 __le32 dma_ctrl;
63 u8 unused_5[12];
64 __le32 ctrl_stat;
65 u8 unused_6[1924];
66 u8 cardbus_cis[0x800];
67 u8 direct_mem_win[0x1000];
68} __attribute__ ((packed));
69
70/* usb backend only needs the register defines above */
71#ifndef PRISM54USB_H
72struct p54p_desc {
73 __le32 host_addr;
74 __le32 device_addr;
75 __le16 len;
76 __le16 flags;
77} __attribute__ ((packed));
78
79struct p54p_ring_control {
80 __le32 host_idx[4];
81 __le32 device_idx[4];
82 struct p54p_desc rx_data[8];
83 struct p54p_desc tx_data[32];
84 struct p54p_desc rx_mgmt[4];
85 struct p54p_desc tx_mgmt[4];
86} __attribute__ ((packed));
87
88#define P54P_READ(r) (__force __le32)__raw_readl(&priv->map->r)
89#define P54P_WRITE(r, val) __raw_writel((__force u32)(__le32)(val), &priv->map->r)
90
91struct p54p_priv {
92 struct p54_common common;
93 struct pci_dev *pdev;
94 struct p54p_csr __iomem *map;
95
96 spinlock_t lock;
97 struct p54p_ring_control *ring_control;
98 dma_addr_t ring_control_dma;
99 u32 rx_idx, tx_idx;
100 struct sk_buff *rx_buf[8];
101 void *tx_buf[32];
102 struct completion boot_comp;
103};
104
105#endif /* PRISM54USB_H */
106#endif /* PRISM54PCI_H */