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path: root/drivers/net/wireless/bcm43xx/bcm43xx_pio.h
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Diffstat (limited to 'drivers/net/wireless/bcm43xx/bcm43xx_pio.h')
-rw-r--r--drivers/net/wireless/bcm43xx/bcm43xx_pio.h163
1 files changed, 0 insertions, 163 deletions
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_pio.h b/drivers/net/wireless/bcm43xx/bcm43xx_pio.h
deleted file mode 100644
index bc78a3c2caf..00000000000
--- a/drivers/net/wireless/bcm43xx/bcm43xx_pio.h
+++ /dev/null
@@ -1,163 +0,0 @@
-#ifndef BCM43xx_PIO_H_
-#define BCM43xx_PIO_H_
-
-#include "bcm43xx.h"
-
-#include <linux/interrupt.h>
-#include <linux/list.h>
-#include <linux/skbuff.h>
-
-
-#define BCM43xx_PIO_TXCTL 0x00
-#define BCM43xx_PIO_TXDATA 0x02
-#define BCM43xx_PIO_TXQBUFSIZE 0x04
-#define BCM43xx_PIO_RXCTL 0x08
-#define BCM43xx_PIO_RXDATA 0x0A
-
-#define BCM43xx_PIO_TXCTL_WRITELO (1 << 0)
-#define BCM43xx_PIO_TXCTL_WRITEHI (1 << 1)
-#define BCM43xx_PIO_TXCTL_COMPLETE (1 << 2)
-#define BCM43xx_PIO_TXCTL_INIT (1 << 3)
-#define BCM43xx_PIO_TXCTL_SUSPEND (1 << 7)
-
-#define BCM43xx_PIO_RXCTL_DATAAVAILABLE (1 << 0)
-#define BCM43xx_PIO_RXCTL_READY (1 << 1)
-
-/* PIO constants */
-#define BCM43xx_PIO_MAXTXDEVQPACKETS 31
-#define BCM43xx_PIO_TXQADJUST 80
-
-/* PIO tuning knobs */
-#define BCM43xx_PIO_MAXTXPACKETS 256
-
-
-
-#ifdef CONFIG_BCM43XX_PIO
-
-
-struct bcm43xx_pioqueue;
-struct bcm43xx_xmitstatus;
-
-struct bcm43xx_pio_txpacket {
- struct bcm43xx_pioqueue *queue;
- struct ieee80211_txb *txb;
- struct list_head list;
-
- u8 xmitted_frags;
- u16 xmitted_octets;
-};
-
-#define pio_txpacket_getindex(packet) ((int)((packet) - (packet)->queue->tx_packets_cache))
-
-struct bcm43xx_pioqueue {
- struct bcm43xx_private *bcm;
- u16 mmio_base;
-
- u8 tx_suspended:1,
- tx_frozen:1,
- need_workarounds:1; /* 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 bcm43xx_pio_txpacket tx_packets_cache[BCM43xx_PIO_MAXTXPACKETS];
-};
-
-static inline
-u16 bcm43xx_pio_read(struct bcm43xx_pioqueue *queue,
- u16 offset)
-{
- return bcm43xx_read16(queue->bcm, queue->mmio_base + offset);
-}
-
-static inline
-void bcm43xx_pio_write(struct bcm43xx_pioqueue *queue,
- u16 offset, u16 value)
-{
- bcm43xx_write16(queue->bcm, queue->mmio_base + offset, value);
- mmiowb();
-}
-
-
-int bcm43xx_pio_init(struct bcm43xx_private *bcm);
-void bcm43xx_pio_free(struct bcm43xx_private *bcm);
-
-int bcm43xx_pio_tx(struct bcm43xx_private *bcm,
- struct ieee80211_txb *txb);
-void bcm43xx_pio_handle_xmitstatus(struct bcm43xx_private *bcm,
- struct bcm43xx_xmitstatus *status);
-void bcm43xx_pio_rx(struct bcm43xx_pioqueue *queue);
-
-/* Suspend a TX queue on hardware level. */
-void bcm43xx_pio_tx_suspend(struct bcm43xx_pioqueue *queue);
-void bcm43xx_pio_tx_resume(struct bcm43xx_pioqueue *queue);
-/* Suspend (freeze) the TX tasklet (software level). */
-void bcm43xx_pio_freeze_txqueues(struct bcm43xx_private *bcm);
-void bcm43xx_pio_thaw_txqueues(struct bcm43xx_private *bcm);
-
-#else /* CONFIG_BCM43XX_PIO */
-
-static inline
-int bcm43xx_pio_init(struct bcm43xx_private *bcm)
-{
- return 0;
-}
-static inline
-void bcm43xx_pio_free(struct bcm43xx_private *bcm)
-{
-}
-static inline
-int bcm43xx_pio_tx(struct bcm43xx_private *bcm,
- struct ieee80211_txb *txb)
-{
- return 0;
-}
-static inline
-void bcm43xx_pio_handle_xmitstatus(struct bcm43xx_private *bcm,
- struct bcm43xx_xmitstatus *status)
-{
-}
-static inline
-void bcm43xx_pio_rx(struct bcm43xx_pioqueue *queue)
-{
-}
-static inline
-void bcm43xx_pio_tx_suspend(struct bcm43xx_pioqueue *queue)
-{
-}
-static inline
-void bcm43xx_pio_tx_resume(struct bcm43xx_pioqueue *queue)
-{
-}
-static inline
-void bcm43xx_pio_freeze_txqueues(struct bcm43xx_private *bcm)
-{
-}
-static inline
-void bcm43xx_pio_thaw_txqueues(struct bcm43xx_private *bcm)
-{
-}
-
-#endif /* CONFIG_BCM43XX_PIO */
-#endif /* BCM43xx_PIO_H_ */