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authorJohn W. Linville <linville@tuxdriver.com>2006-01-23 16:59:58 -0500
committerJohn W. Linville <linville@tuxdriver.com>2006-03-27 11:18:23 -0500
commitf222313a61a5e134de80767b35c672b91e78383c (patch)
treec3a8dca8a021bd88f58112e70ce52cfb28e99ff1 /drivers/net/wireless/bcm43xx/bcm43xx_pio.h
parent5d5d7727a8cde78f798ecf04bac8031eff536f9d (diff)
[PATCH] wireless: import bcm43xx sources
Import the bcm43xx driver from the upstream sources here: ftp://ftp.berlios.de/pub/bcm43xx/snapshots/bcm43xx/bcm43xx-20060123.tar.bz2 Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/bcm43xx/bcm43xx_pio.h')
-rw-r--r--drivers/net/wireless/bcm43xx/bcm43xx_pio.h88
1 files changed, 88 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_pio.h b/drivers/net/wireless/bcm43xx/bcm43xx_pio.h
new file mode 100644
index 000000000000..71b92ee34169
--- /dev/null
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_pio.h
@@ -0,0 +1,88 @@
1#ifndef BCM43xx_PIO_H_
2#define BCM43xx_PIO_H_
3
4#include "bcm43xx.h"
5
6#include <linux/list.h>
7#include <linux/spinlock.h>
8#include <linux/workqueue.h>
9#include <linux/skbuff.h>
10
11
12#define BCM43xx_PIO_TXCTL 0x00
13#define BCM43xx_PIO_TXDATA 0x02
14#define BCM43xx_PIO_TXQBUFSIZE 0x04
15#define BCM43xx_PIO_RXCTL 0x08
16#define BCM43xx_PIO_RXDATA 0x0A
17
18#define BCM43xx_PIO_TXCTL_WRITEHI (1 << 0)
19#define BCM43xx_PIO_TXCTL_WRITELO (1 << 1)
20#define BCM43xx_PIO_TXCTL_COMPLETE (1 << 2)
21#define BCM43xx_PIO_TXCTL_INIT (1 << 3)
22#define BCM43xx_PIO_TXCTL_SUSPEND (1 << 7)
23
24#define BCM43xx_PIO_RXCTL_DATAAVAILABLE (1 << 0)
25#define BCM43xx_PIO_RXCTL_READY (1 << 1)
26
27/* PIO constants */
28#define BCM43xx_PIO_MAXTXDEVQPACKETS 31
29#define BCM43xx_PIO_TXQADJUST 80
30
31/* PIO tuning knobs */
32#define BCM43xx_PIO_MAXTXPACKETS 256
33
34
35struct bcm43xx_pioqueue;
36struct bcm43xx_xmitstatus;
37
38struct bcm43xx_pio_txpacket {
39 struct bcm43xx_pioqueue *queue;
40 struct ieee80211_txb *txb;
41 struct list_head list;
42
43 u8 xmitted_frags;
44 u16 xmitted_octets;
45};
46
47#define pio_txpacket_getindex(packet) ((int)((packet) - (packet)->queue->__tx_packets_cache))
48
49struct bcm43xx_pioqueue {
50 struct bcm43xx_private *bcm;
51 u16 mmio_base;
52
53 u8 tx_suspended:1;
54
55 /* Adjusted size of the device internal TX buffer. */
56 u16 tx_devq_size;
57 /* Used octets of the device internal TX buffer. */
58 u16 tx_devq_used;
59 /* Used packet slots in the device internal TX buffer. */
60 u8 tx_devq_packets;
61 /* Packets from the txfree list can
62 * be taken on incoming TX requests.
63 */
64 struct list_head txfree;
65 /* Packets on the txqueue are queued,
66 * but not completely written to the chip, yet.
67 */
68 struct list_head txqueue;
69 /* Packets on the txrunning queue are completely
70 * posted to the device. We are waiting for the txstatus.
71 */
72 struct list_head txrunning;
73 /* Locking of the TX queues and the accounting. */
74 spinlock_t txlock;
75 struct work_struct txwork;
76 struct bcm43xx_pio_txpacket __tx_packets_cache[BCM43xx_PIO_MAXTXPACKETS];
77};
78
79int bcm43xx_pio_init(struct bcm43xx_private *bcm);
80void bcm43xx_pio_free(struct bcm43xx_private *bcm);
81
82int FASTCALL(bcm43xx_pio_transfer_txb(struct bcm43xx_private *bcm,
83 struct ieee80211_txb *txb));
84void FASTCALL(bcm43xx_pio_handle_xmitstatus(struct bcm43xx_private *bcm,
85 struct bcm43xx_xmitstatus *status));
86
87void FASTCALL(bcm43xx_pio_rx(struct bcm43xx_pioqueue *queue));
88#endif /* BCM43xx_PIO_H_ */