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authorJohn W. Linville <linville@tuxdriver.com>2008-01-10 13:28:49 -0500
committerDavid S. Miller <davem@davemloft.net>2008-01-28 15:09:34 -0800
commit3543f8069d3cc932202e64095d1d3986a10d34ed (patch)
tree74c4baeb821e502da1e50216a4b10b5a6509f643 /drivers/net/wireless/b43/pio.h
parent17f65f814fc6144e61b5d19f8e0627cd781486c2 (diff)
b43: finish removal of pio support
As suggested in "b43: Remove PIO support"... Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/b43/pio.h')
-rw-r--r--drivers/net/wireless/b43/pio.h153
1 files changed, 0 insertions, 153 deletions
diff --git a/drivers/net/wireless/b43/pio.h b/drivers/net/wireless/b43/pio.h
deleted file mode 100644
index 3488f2447bbf..000000000000
--- a/drivers/net/wireless/b43/pio.h
+++ /dev/null
@@ -1,153 +0,0 @@
-#ifndef B43_PIO_H_
-#define B43_PIO_H_
-
-#include "b43.h"
-
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <linux/list.h>
-#include <linux/skbuff.h>
-
-#define B43_PIO_TXCTL 0x00
-#define B43_PIO_TXDATA 0x02
-#define B43_PIO_TXQBUFSIZE 0x04
-#define B43_PIO_RXCTL 0x08
-#define B43_PIO_RXDATA 0x0A
-
-#define B43_PIO_TXCTL_WRITELO (1 << 0)
-#define B43_PIO_TXCTL_WRITEHI (1 << 1)
-#define B43_PIO_TXCTL_COMPLETE (1 << 2)
-#define B43_PIO_TXCTL_INIT (1 << 3)
-#define B43_PIO_TXCTL_SUSPEND (1 << 7)
-
-#define B43_PIO_RXCTL_DATAAVAILABLE (1 << 0)
-#define B43_PIO_RXCTL_READY (1 << 1)
-
-/* PIO constants */
-#define B43_PIO_MAXTXDEVQPACKETS 31
-#define B43_PIO_TXQADJUST 80
-
-/* PIO tuning knobs */
-#define B43_PIO_MAXTXPACKETS 256
-
-#ifdef CONFIG_B43_PIO
-
-struct b43_pioqueue;
-struct b43_xmitstatus;
-
-struct b43_pio_txpacket {
- struct b43_pioqueue *queue;
- struct sk_buff *skb;
- struct ieee80211_tx_status txstat;
- struct list_head list;
- u16 index; /* Index in the tx_packets_cache */
-};
-
-struct b43_pioqueue {
- struct b43_wldev *dev;
- u16 mmio_base;
-
- bool tx_suspended;
- bool tx_frozen;
- bool need_workarounds; /* Workarounds needed for core.rev < 3 */
-
- /* Adjusted size of the device internal TX buffer. */
- u16 tx_devq_size;
- /* Used octets of the device internal TX buffer. */
- u16 tx_devq_used;
- /* Used packet slots in the device internal TX buffer. */
- u8 tx_devq_packets;
- /* Packets from the txfree list can
- * be taken on incoming TX requests.
- */
- struct list_head txfree;
- unsigned int nr_txfree;
- /* Packets on the txqueue are queued,
- * but not completely written to the chip, yet.
- */
- struct list_head txqueue;
- /* Packets on the txrunning queue are completely
- * posted to the device. We are waiting for the txstatus.
- */
- struct list_head txrunning;
- /* Total number or packets sent.
- * (This counter can obviously wrap).
- */
- unsigned int nr_tx_packets;
- struct tasklet_struct txtask;
- struct b43_pio_txpacket tx_packets_cache[B43_PIO_MAXTXPACKETS];
-};
-
-static inline u16 b43_pio_read(struct b43_pioqueue *queue, u16 offset)
-{
- return b43_read16(queue->dev, queue->mmio_base + offset);
-}
-
-static inline
- void b43_pio_write(struct b43_pioqueue *queue, u16 offset, u16 value)
-{
- b43_write16(queue->dev, queue->mmio_base + offset, value);
- mmiowb();
-}
-
-int b43_pio_init(struct b43_wldev *dev);
-void b43_pio_free(struct b43_wldev *dev);
-
-int b43_pio_tx(struct b43_wldev *dev,
- struct sk_buff *skb, struct ieee80211_tx_control *ctl);
-void b43_pio_handle_txstatus(struct b43_wldev *dev,
- const struct b43_txstatus *status);
-void b43_pio_get_tx_stats(struct b43_wldev *dev,
- struct ieee80211_tx_queue_stats *stats);
-void b43_pio_rx(struct b43_pioqueue *queue);
-
-/* Suspend TX queue in hardware. */
-void b43_pio_tx_suspend(struct b43_pioqueue *queue);
-void b43_pio_tx_resume(struct b43_pioqueue *queue);
-/* Suspend (freeze) the TX tasklet (software level). */
-void b43_pio_freeze_txqueues(struct b43_wldev *dev);
-void b43_pio_thaw_txqueues(struct b43_wldev *dev);
-
-#else /* CONFIG_B43_PIO */
-
-static inline int b43_pio_init(struct b43_wldev *dev)
-{
- return 0;
-}
-static inline void b43_pio_free(struct b43_wldev *dev)
-{
-}
-static inline
- int b43_pio_tx(struct b43_wldev *dev,
- struct sk_buff *skb, struct ieee80211_tx_control *ctl)
-{
- return 0;
-}
-static inline
- void b43_pio_handle_txstatus(struct b43_wldev *dev,
- const struct b43_txstatus *status)
-{
-}
-static inline
- void b43_pio_get_tx_stats(struct b43_wldev *dev,
- struct ieee80211_tx_queue_stats *stats)
-{
-}
-static inline void b43_pio_rx(struct b43_pioqueue *queue)
-{
-}
-static inline void b43_pio_tx_suspend(struct b43_pioqueue *queue)
-{
-}
-static inline void b43_pio_tx_resume(struct b43_pioqueue *queue)
-{
-}
-static inline void b43_pio_freeze_txqueues(struct b43_wldev *dev)
-{
-}
-static inline void b43_pio_thaw_txqueues(struct b43_wldev *dev)
-{
-}
-
-#endif /* CONFIG_B43_PIO */
-#endif /* B43_PIO_H_ */