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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00pci.h')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00pci.h127
1 files changed, 127 insertions, 0 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.h b/drivers/net/wireless/rt2x00/rt2x00pci.h
new file mode 100644
index 000000000000..82adeac061d0
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.h
@@ -0,0 +1,127 @@
1/*
2 Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
3 <http://rt2x00.serialmonkey.com>
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the
17 Free Software Foundation, Inc.,
18 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 */
20
21/*
22 Module: rt2x00pci
23 Abstract: Data structures for the rt2x00pci module.
24 */
25
26#ifndef RT2X00PCI_H
27#define RT2X00PCI_H
28
29#include <linux/io.h>
30
31/*
32 * This variable should be used with the
33 * pci_driver structure initialization.
34 */
35#define PCI_DEVICE_DATA(__ops) .driver_data = (kernel_ulong_t)(__ops)
36
37/*
38 * Register defines.
39 * Some registers require multiple attempts before success,
40 * in those cases REGISTER_BUSY_COUNT attempts should be
41 * taken with a REGISTER_BUSY_DELAY interval.
42 */
43#define REGISTER_BUSY_COUNT 5
44#define REGISTER_BUSY_DELAY 100
45
46/*
47 * Descriptor availability flags.
48 * All PCI device descriptors have these 2 flags
49 * with the exact same definition.
50 * By storing them here we can use them inside rt2x00pci
51 * for some simple entry availability checking.
52 */
53#define TXD_ENTRY_OWNER_NIC FIELD32(0x00000001)
54#define TXD_ENTRY_VALID FIELD32(0x00000002)
55#define RXD_ENTRY_OWNER_NIC FIELD32(0x00000001)
56
57/*
58 * Register access.
59 */
60static inline void rt2x00pci_register_read(const struct rt2x00_dev *rt2x00dev,
61 const unsigned long offset,
62 u32 *value)
63{
64 *value = readl(rt2x00dev->csr_addr + offset);
65}
66
67static inline void
68rt2x00pci_register_multiread(const struct rt2x00_dev *rt2x00dev,
69 const unsigned long offset,
70 void *value, const u16 length)
71{
72 memcpy_fromio(value, rt2x00dev->csr_addr + offset, length);
73}
74
75static inline void rt2x00pci_register_write(const struct rt2x00_dev *rt2x00dev,
76 const unsigned long offset,
77 u32 value)
78{
79 writel(value, rt2x00dev->csr_addr + offset);
80}
81
82static inline void
83rt2x00pci_register_multiwrite(const struct rt2x00_dev *rt2x00dev,
84 const unsigned long offset,
85 void *value, const u16 length)
86{
87 memcpy_toio(rt2x00dev->csr_addr + offset, value, length);
88}
89
90/*
91 * Beacon handlers.
92 */
93int rt2x00pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
94 struct ieee80211_tx_control *control);
95
96/*
97 * TX data handlers.
98 */
99int rt2x00pci_write_tx_data(struct rt2x00_dev *rt2x00dev,
100 struct data_ring *ring, struct sk_buff *skb,
101 struct ieee80211_tx_control *control);
102
103/*
104 * RX data handlers.
105 */
106void rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev);
107
108/*
109 * Device initialization handlers.
110 */
111int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev);
112void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev);
113
114/*
115 * PCI driver handlers.
116 */
117int rt2x00pci_probe(struct pci_dev *pci_dev, const struct pci_device_id *id);
118void rt2x00pci_remove(struct pci_dev *pci_dev);
119#ifdef CONFIG_PM
120int rt2x00pci_suspend(struct pci_dev *pci_dev, pm_message_t state);
121int rt2x00pci_resume(struct pci_dev *pci_dev);
122#else
123#define rt2x00pci_suspend NULL
124#define rt2x00pci_resume NULL
125#endif /* CONFIG_PM */
126
127#endif /* RT2X00PCI_H */