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p54pci.h
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1 #ifndef P54PCI_H
2 #define P54PCI_H
3 #include <linux/interrupt.h>
4 
5 /*
6  * Defines for PCI based mac80211 Prism54 driver
7  *
8  * Copyright (c) 2006, Michael Wu <[email protected]>
9  *
10  * Based on the islsm (softmac prism54) driver, which is:
11  * Copyright 2004-2006 Jean-Baptiste Note <[email protected]>, et al.
12  *
13  * This program is free software; you can redistribute it and/or modify
14  * it under the terms of the GNU General Public License version 2 as
15  * published by the Free Software Foundation.
16  */
17 
18 /* Device Interrupt register bits */
19 #define ISL38XX_DEV_INT_RESET 0x0001
20 #define ISL38XX_DEV_INT_UPDATE 0x0002
21 #define ISL38XX_DEV_INT_WAKEUP 0x0008
22 #define ISL38XX_DEV_INT_SLEEP 0x0010
23 #define ISL38XX_DEV_INT_ABORT 0x0020
24 /* these two only used in USB */
25 #define ISL38XX_DEV_INT_DATA 0x0040
26 #define ISL38XX_DEV_INT_MGMT 0x0080
27 
28 #define ISL38XX_DEV_INT_PCIUART_CTS 0x4000
29 #define ISL38XX_DEV_INT_PCIUART_DR 0x8000
30 
31 /* Interrupt Identification/Acknowledge/Enable register bits */
32 #define ISL38XX_INT_IDENT_UPDATE 0x0002
33 #define ISL38XX_INT_IDENT_INIT 0x0004
34 #define ISL38XX_INT_IDENT_WAKEUP 0x0008
35 #define ISL38XX_INT_IDENT_SLEEP 0x0010
36 #define ISL38XX_INT_IDENT_PCIUART_CTS 0x4000
37 #define ISL38XX_INT_IDENT_PCIUART_DR 0x8000
38 
39 /* Control/Status register bits */
40 #define ISL38XX_CTRL_STAT_SLEEPMODE 0x00000200
41 #define ISL38XX_CTRL_STAT_CLKRUN 0x00800000
42 #define ISL38XX_CTRL_STAT_RESET 0x10000000
43 #define ISL38XX_CTRL_STAT_RAMBOOT 0x20000000
44 #define ISL38XX_CTRL_STAT_STARTHALTED 0x40000000
45 #define ISL38XX_CTRL_STAT_HOST_OVERRIDE 0x80000000
46 
47 struct p54p_csr {
48  __le32 dev_int;
49  u8 unused_1[12];
50  __le32 int_ident;
51  __le32 int_ack;
52  __le32 int_enable;
53  u8 unused_2[4];
54  union {
55  __le32 ring_control_base;
56  __le32 gen_purp_com[2];
57  };
58  u8 unused_3[8];
59  __le32 direct_mem_base;
60  u8 unused_4[44];
61  __le32 dma_addr;
62  __le32 dma_len;
63  __le32 dma_ctrl;
64  u8 unused_5[12];
65  __le32 ctrl_stat;
66  u8 unused_6[1924];
67  u8 cardbus_cis[0x800];
68  u8 direct_mem_win[0x1000];
69 } __packed;
70 
71 /* usb backend only needs the register defines above */
72 #ifndef P54USB_H
73 struct p54p_desc {
74  __le32 host_addr;
75  __le32 device_addr;
76  __le16 len;
77  __le16 flags;
78 } __packed;
79 
80 struct p54p_ring_control {
81  __le32 host_idx[4];
82  __le32 device_idx[4];
83  struct p54p_desc rx_data[8];
84  struct p54p_desc tx_data[32];
85  struct p54p_desc rx_mgmt[4];
86  struct p54p_desc tx_mgmt[4];
87 } __packed;
88 
89 #define P54P_READ(r) (__force __le32)__raw_readl(&priv->map->r)
90 #define P54P_WRITE(r, val) __raw_writel((__force u32)(__le32)(val), &priv->map->r)
91 
92 struct p54p_priv {
93  struct p54_common common;
94  struct pci_dev *pdev;
95  struct p54p_csr __iomem *map;
96  struct tasklet_struct tasklet;
97  const struct firmware *firmware;
98  spinlock_t lock;
99  struct p54p_ring_control *ring_control;
100  dma_addr_t ring_control_dma;
101  u32 rx_idx_data, tx_idx_data;
102  u32 rx_idx_mgmt, tx_idx_mgmt;
103  struct sk_buff *rx_buf_data[8];
104  struct sk_buff *rx_buf_mgmt[4];
105  struct sk_buff *tx_buf_data[32];
106  struct sk_buff *tx_buf_mgmt[4];
107  struct completion boot_comp;
108  struct completion fw_loaded;
109 };
110 
111 #endif /* P54USB_H */
112 #endif /* P54PCI_H */
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