diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00pci.h')
-rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00pci.h | 127 |
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 | */ | ||
60 | static 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 | |||
67 | static inline void | ||
68 | rt2x00pci_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 | |||
75 | static 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 | |||
82 | static inline void | ||
83 | rt2x00pci_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 | */ | ||
93 | int rt2x00pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb, | ||
94 | struct ieee80211_tx_control *control); | ||
95 | |||
96 | /* | ||
97 | * TX data handlers. | ||
98 | */ | ||
99 | int 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 | */ | ||
106 | void rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev); | ||
107 | |||
108 | /* | ||
109 | * Device initialization handlers. | ||
110 | */ | ||
111 | int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev); | ||
112 | void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev); | ||
113 | |||
114 | /* | ||
115 | * PCI driver handlers. | ||
116 | */ | ||
117 | int rt2x00pci_probe(struct pci_dev *pci_dev, const struct pci_device_id *id); | ||
118 | void rt2x00pci_remove(struct pci_dev *pci_dev); | ||
119 | #ifdef CONFIG_PM | ||
120 | int rt2x00pci_suspend(struct pci_dev *pci_dev, pm_message_t state); | ||
121 | int 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 */ | ||