diff options
Diffstat (limited to 'drivers/net/wireless/b43legacy/pio.h')
| -rw-r--r-- | drivers/net/wireless/b43legacy/pio.h | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/drivers/net/wireless/b43legacy/pio.h b/drivers/net/wireless/b43legacy/pio.h deleted file mode 100644 index 8e6773ea6..000000000 --- a/drivers/net/wireless/b43legacy/pio.h +++ /dev/null @@ -1,158 +0,0 @@ -#ifndef B43legacy_PIO_H_ -#define B43legacy_PIO_H_ - -#include "b43legacy.h" - -#include <linux/interrupt.h> -#include <linux/list.h> -#include <linux/skbuff.h> - - -#define B43legacy_PIO_TXCTL 0x00 -#define B43legacy_PIO_TXDATA 0x02 -#define B43legacy_PIO_TXQBUFSIZE 0x04 -#define B43legacy_PIO_RXCTL 0x08 -#define B43legacy_PIO_RXDATA 0x0A - -#define B43legacy_PIO_TXCTL_WRITELO (1 << 0) -#define B43legacy_PIO_TXCTL_WRITEHI (1 << 1) -#define B43legacy_PIO_TXCTL_COMPLETE (1 << 2) -#define B43legacy_PIO_TXCTL_INIT (1 << 3) -#define B43legacy_PIO_TXCTL_SUSPEND (1 << 7) - -#define B43legacy_PIO_RXCTL_DATAAVAILABLE (1 << 0) -#define B43legacy_PIO_RXCTL_READY (1 << 1) - -/* PIO constants */ -#define B43legacy_PIO_MAXTXDEVQPACKETS 31 -#define B43legacy_PIO_TXQADJUST 80 - -/* PIO tuning knobs */ -#define B43legacy_PIO_MAXTXPACKETS 256 - - - -#ifdef CONFIG_B43LEGACY_PIO - - -struct b43legacy_pioqueue; -struct b43legacy_xmitstatus; - -struct b43legacy_pio_txpacket { - struct b43legacy_pioqueue *queue; - struct sk_buff *skb; - struct list_head list; -}; - -#define pio_txpacket_getindex(packet) ((int)((packet) - \ - (packet)->queue->tx_packets_cache)) - -struct b43legacy_pioqueue { - struct b43legacy_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; - struct tasklet_struct txtask; - struct b43legacy_pio_txpacket - tx_packets_cache[B43legacy_PIO_MAXTXPACKETS]; -}; - -static inline -u16 b43legacy_pio_read(struct b43legacy_pioqueue *queue, - u16 offset) -{ - return b43legacy_read16(queue->dev, queue->mmio_base + offset); -} - -static inline -void b43legacy_pio_write(struct b43legacy_pioqueue *queue, - u16 offset, u16 value) -{ - b43legacy_write16(queue->dev, queue->mmio_base + offset, value); - mmiowb(); -} - - -int b43legacy_pio_init(struct b43legacy_wldev *dev); -void b43legacy_pio_free(struct b43legacy_wldev *dev); - -int b43legacy_pio_tx(struct b43legacy_wldev *dev, - struct sk_buff *skb); -void b43legacy_pio_handle_txstatus(struct b43legacy_wldev *dev, - const struct b43legacy_txstatus *status); -void b43legacy_pio_rx(struct b43legacy_pioqueue *queue); - -/* Suspend TX queue in hardware. */ -void b43legacy_pio_tx_suspend(struct b43legacy_pioqueue *queue); -void b43legacy_pio_tx_resume(struct b43legacy_pioqueue *queue); -/* Suspend (freeze) the TX tasklet (software level). */ -void b43legacy_pio_freeze_txqueues(struct b43legacy_wldev *dev); -void b43legacy_pio_thaw_txqueues(struct b43legacy_wldev *dev); - -#else /* CONFIG_B43LEGACY_PIO */ - -static inline -int b43legacy_pio_init(struct b43legacy_wldev *dev) -{ - return 0; -} -static inline -void b43legacy_pio_free(struct b43legacy_wldev *dev) -{ -} -static inline -int b43legacy_pio_tx(struct b43legacy_wldev *dev, - struct sk_buff *skb) -{ - return 0; -} -static inline -void b43legacy_pio_handle_txstatus(struct b43legacy_wldev *dev, - const struct b43legacy_txstatus *status) -{ -} -static inline -void b43legacy_pio_rx(struct b43legacy_pioqueue *queue) -{ -} -static inline -void b43legacy_pio_tx_suspend(struct b43legacy_pioqueue *queue) -{ -} -static inline -void b43legacy_pio_tx_resume(struct b43legacy_pioqueue *queue) -{ -} -static inline -void b43legacy_pio_freeze_txqueues(struct b43legacy_wldev *dev) -{ -} -static inline -void b43legacy_pio_thaw_txqueues(struct b43legacy_wldev *dev) -{ -} - -#endif /* CONFIG_B43LEGACY_PIO */ -#endif /* B43legacy_PIO_H_ */ |