diff options
author | John W. Linville <linville@tuxdriver.com> | 2006-01-23 16:59:58 -0500 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2006-03-27 11:18:23 -0500 |
commit | f222313a61a5e134de80767b35c672b91e78383c (patch) | |
tree | c3a8dca8a021bd88f58112e70ce52cfb28e99ff1 /drivers/net/wireless/bcm43xx/bcm43xx_pio.h | |
parent | 5d5d7727a8cde78f798ecf04bac8031eff536f9d (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.h | 88 |
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 | |||
35 | struct bcm43xx_pioqueue; | ||
36 | struct bcm43xx_xmitstatus; | ||
37 | |||
38 | struct 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 | |||
49 | struct 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 | |||
79 | int bcm43xx_pio_init(struct bcm43xx_private *bcm); | ||
80 | void bcm43xx_pio_free(struct bcm43xx_private *bcm); | ||
81 | |||
82 | int FASTCALL(bcm43xx_pio_transfer_txb(struct bcm43xx_private *bcm, | ||
83 | struct ieee80211_txb *txb)); | ||
84 | void FASTCALL(bcm43xx_pio_handle_xmitstatus(struct bcm43xx_private *bcm, | ||
85 | struct bcm43xx_xmitstatus *status)); | ||
86 | |||
87 | void FASTCALL(bcm43xx_pio_rx(struct bcm43xx_pioqueue *queue)); | ||
88 | #endif /* BCM43xx_PIO_H_ */ | ||