diff options
Diffstat (limited to 'drivers/net/wireless/bcm43xx/bcm43xx_pio.h')
| -rw-r--r-- | drivers/net/wireless/bcm43xx/bcm43xx_pio.h | 163 |
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_ */ |