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/* $OpenBSD: if_rtwnreg.h,v 1.3 2015/06/14 08:02:47 stsp Exp $ */
/*-
* Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr>
* Copyright (c) 2015 Stefan Sperling <stsp@openbsd.org>
* Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $FreeBSD$
*/
#ifndef RTWN_PCI_VAR_H
#define RTWN_PCI_VAR_H
#define RTWN_PCI_RX_LIST_COUNT 256
#define RTWN_PCI_TX_LIST_COUNT 256
struct rtwn_rx_data {
bus_dmamap_t map;
struct mbuf *m;
bus_addr_t paddr;
};
struct rtwn_rx_ring {
struct rtwn_rx_stat_pci *desc;
bus_addr_t paddr;
bus_dma_tag_t desc_dmat;
bus_dmamap_t desc_map;
bus_dma_tag_t data_dmat;
bus_dma_segment_t seg;
struct rtwn_rx_data rx_data[RTWN_PCI_RX_LIST_COUNT];
int cur;
};
struct rtwn_tx_data {
bus_dmamap_t map;
struct mbuf *m;
struct ieee80211_node *ni;
};
struct rtwn_tx_ring {
bus_addr_t paddr;
bus_dma_tag_t desc_dmat;
bus_dmamap_t desc_map;
bus_dma_tag_t data_dmat;
bus_dma_segment_t seg;
void *desc;
struct rtwn_tx_data tx_data[RTWN_PCI_TX_LIST_COUNT];
int queued;
int cur;
int last;
};
/*
* TX queue indices.
*/
enum {
RTWN_PCI_BK_QUEUE,
RTWN_PCI_BE_QUEUE,
RTWN_PCI_VI_QUEUE,
RTWN_PCI_VO_QUEUE,
RTWN_PCI_BEACON_QUEUE,
RTWN_PCI_TXCMD_QUEUE,
RTWN_PCI_MGNT_QUEUE,
RTWN_PCI_HIGH_QUEUE,
RTWN_PCI_HCCA_QUEUE,
RTWN_PCI_NTXQUEUES
};
/*
* Interrupt events.
*/
enum {
RTWN_PCI_INTR_RX_ERROR = 0x00000001,
RTWN_PCI_INTR_RX_OVERFLOW = 0x00000002,
RTWN_PCI_INTR_RX_DESC_UNAVAIL = 0x00000004,
RTWN_PCI_INTR_RX_DONE = 0x00000008,
RTWN_PCI_INTR_TX_ERROR = 0x00000010,
RTWN_PCI_INTR_TX_OVERFLOW = 0x00000020,
RTWN_PCI_INTR_TX_REPORT = 0x00000040,
RTWN_PCI_INTR_PS_TIMEOUT = 0x00000080
};
/* Shortcuts */
/* Vendor driver treats RX errors like ROK... */
#define RTWN_PCI_INTR_RX \
(RTWN_PCI_INTR_RX_OVERFLOW | RTWN_PCI_INTR_RX_DESC_UNAVAIL | \
RTWN_PCI_INTR_RX_DONE)
struct rtwn_pci_softc {
struct rtwn_softc pc_sc; /* must be the first */
struct resource *irq;
struct resource *mem;
bus_space_tag_t pc_st;
bus_space_handle_t pc_sh;
void *pc_ih;
bus_size_t pc_mapsize;
struct rtwn_rx_ring rx_ring;
struct rtwn_tx_ring tx_ring[RTWN_PCI_NTXQUEUES];
/* must be set by the driver. */
uint16_t pc_qmap;
uint32_t tcr;
void (*pc_setup_tx_desc)(struct rtwn_pci_softc *,
void *, uint32_t);
void (*pc_tx_postsetup)(struct rtwn_pci_softc *,
void *, bus_dma_segment_t *);
void (*pc_copy_tx_desc)(void *, const void *);
void (*pc_enable_intr)(struct rtwn_pci_softc *);
};
#define RTWN_PCI_SOFTC(sc) ((struct rtwn_pci_softc *)(sc))
#define rtwn_pci_setup_tx_desc(_pc, _desc, _addr) \
(((_pc)->pc_setup_tx_desc)((_pc), (_desc), (_addr)))
#define rtwn_pci_tx_postsetup(_pc, _txd, _segs) \
(((_pc)->pc_tx_postsetup)((_pc), (_txd), (_segs)))
#define rtwn_pci_copy_tx_desc(_pc, _dest, _src) \
(((_pc)->pc_copy_tx_desc)((_dest), (_src)))
#define rtwn_pci_enable_intr(_pc) \
(((_pc)->pc_enable_intr)((_pc)))
#endif /* RTWN_PCI_VAR_H */
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