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Diffstat (limited to 'package/b43/src/pio.h')
| -rw-r--r-- | package/b43/src/pio.h | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/package/b43/src/pio.h b/package/b43/src/pio.h index 6c174c91ca..e69de29bb2 100644 --- a/package/b43/src/pio.h +++ b/package/b43/src/pio.h @@ -1,216 +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> - - -/*** Registers for PIO queues up to revision 7. ***/ -/* TX queue. */ -#define B43_PIO_TXCTL 0x00 -#define B43_PIO_TXCTL_WRITELO 0x0001 -#define B43_PIO_TXCTL_WRITEHI 0x0002 -#define B43_PIO_TXCTL_EOF 0x0004 -#define B43_PIO_TXCTL_FREADY 0x0008 -#define B43_PIO_TXCTL_FLUSHREQ 0x0020 -#define B43_PIO_TXCTL_FLUSHPEND 0x0040 -#define B43_PIO_TXCTL_SUSPREQ 0x0080 -#define B43_PIO_TXCTL_QSUSP 0x0100 -#define B43_PIO_TXCTL_COMMCNT 0xFC00 -#define B43_PIO_TXCTL_COMMCNT_SHIFT 10 -#define B43_PIO_TXDATA 0x02 -#define B43_PIO_TXQBUFSIZE 0x04 -/* RX queue. */ -#define B43_PIO_RXCTL 0x00 -#define B43_PIO_RXCTL_FRAMERDY 0x0001 -#define B43_PIO_RXCTL_DATARDY 0x0002 -#define B43_PIO_RXDATA 0x02 - -/*** Registers for PIO queues revision 8 and later. ***/ -/* TX queue */ -#define B43_PIO8_TXCTL 0x00 -#define B43_PIO8_TXCTL_0_7 0x00000001 -#define B43_PIO8_TXCTL_8_15 0x00000002 -#define B43_PIO8_TXCTL_16_23 0x00000004 -#define B43_PIO8_TXCTL_24_31 0x00000008 -#define B43_PIO8_TXCTL_EOF 0x00000010 -#define B43_PIO8_TXCTL_FREADY 0x00000080 -#define B43_PIO8_TXCTL_SUSPREQ 0x00000100 -#define B43_PIO8_TXCTL_QSUSP 0x00000200 -#define B43_PIO8_TXCTL_FLUSHREQ 0x00000400 -#define B43_PIO8_TXCTL_FLUSHPEND 0x00000800 -#define B43_PIO8_TXDATA 0x04 -/* RX queue */ -#define B43_PIO8_RXCTL 0x00 -#define B43_PIO8_RXCTL_FRAMERDY 0x00000001 -#define B43_PIO8_RXCTL_DATARDY 0x00000002 -#define B43_PIO8_RXDATA 0x04 - - -/* The maximum number of TX-packets the HW can handle. */ -#define B43_PIO_MAX_NR_TXPACKETS 32 - - -#ifdef CONFIG_B43_PIO - -struct b43_pio_txpacket { - /* Pointer to the TX queue we belong to. */ - struct b43_pio_txqueue *queue; - /* The TX data packet. */ - struct sk_buff *skb; - /* Index in the (struct b43_pio_txqueue)->packets array. */ - u8 index; - - struct list_head list; -}; - -struct b43_pio_txqueue { - struct b43_wldev *dev; - spinlock_t lock; - u16 mmio_base; - - /* The device queue buffer size in bytes. */ - u16 buffer_size; - /* The number of used bytes in the device queue buffer. */ - u16 buffer_used; - /* The number of packets that can still get queued. - * This is decremented on queueing a packet and incremented - * after receiving the transmit status. */ - u16 free_packet_slots; - - /* True, if the mac80211 queue was stopped due to overflow at TX. */ - bool stopped; - /* Our b43 queue index number */ - u8 index; - /* The mac80211 QoS queue priority. */ - u8 queue_prio; - - /* Buffer for TX packet meta data. */ - struct b43_pio_txpacket packets[B43_PIO_MAX_NR_TXPACKETS]; - struct list_head packets_list; - - /* Total number of transmitted packets. */ - unsigned int nr_tx_packets; - - /* Shortcut to the 802.11 core revision. This is to - * avoid horrible pointer dereferencing in the fastpaths. */ - u8 rev; -}; - -struct b43_pio_rxqueue { - struct b43_wldev *dev; - spinlock_t lock; - u16 mmio_base; - - /* Work to reduce latency issues on RX. */ - struct work_struct rx_work; - - /* Shortcut to the 802.11 core revision. This is to - * avoid horrible pointer dereferencing in the fastpaths. */ - u8 rev; -}; - - -static inline u16 b43_piotx_read16(struct b43_pio_txqueue *q, u16 offset) -{ - return b43_read16(q->dev, q->mmio_base + offset); -} - -static inline u32 b43_piotx_read32(struct b43_pio_txqueue *q, u16 offset) -{ - return b43_read32(q->dev, q->mmio_base + offset); -} - -static inline void b43_piotx_write16(struct b43_pio_txqueue *q, - u16 offset, u16 value) -{ - b43_write16(q->dev, q->mmio_base + offset, value); -} - -static inline void b43_piotx_write32(struct b43_pio_txqueue *q, - u16 offset, u32 value) -{ - b43_write32(q->dev, q->mmio_base + offset, value); -} - - -static inline u16 b43_piorx_read16(struct b43_pio_rxqueue *q, u16 offset) -{ - return b43_read16(q->dev, q->mmio_base + offset); -} - -static inline u32 b43_piorx_read32(struct b43_pio_rxqueue *q, u16 offset) -{ - return b43_read32(q->dev, q->mmio_base + offset); -} - -static inline void b43_piorx_write16(struct b43_pio_rxqueue *q, - u16 offset, u16 value) -{ - b43_write16(q->dev, q->mmio_base + offset, value); -} - -static inline void b43_piorx_write32(struct b43_pio_rxqueue *q, - u16 offset, u32 value) -{ - b43_write32(q->dev, q->mmio_base + offset, value); -} - - -int b43_pio_init(struct b43_wldev *dev); -void b43_pio_stop(struct b43_wldev *dev); -void b43_pio_free(struct b43_wldev *dev); - -int b43_pio_tx(struct b43_wldev *dev, struct sk_buff *skb); -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_pio_rxqueue *q); - -void b43_pio_tx_suspend(struct b43_wldev *dev); -void b43_pio_tx_resume(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 void b43_pio_stop(struct b43_wldev *dev) -{ -} -static inline int b43_pio_tx(struct b43_wldev *dev, - struct sk_buff *skb) -{ - 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_pio_rxqueue *q) -{ -} -static inline void b43_pio_tx_suspend(struct b43_wldev *dev) -{ -} -static inline void b43_pio_tx_resume(struct b43_wldev *dev) -{ -} - -#endif /* CONFIG_B43_PIO */ -#endif /* B43_PIO_H_ */ |