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/* $OpenBSD: if_vicvar.h,v 1.4 2006/03/04 03:33:06 brad Exp $ */
/*
* Copyright (c) 2006 Reyk Floeter <reyk@openbsd.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.
*/
#ifndef _DEV_IC_VICVAR_H
#define _DEV_IC_VICVAR_H
#define VIC_DEBUG 1
#define VIC_BAR0 0x10 /* Base Address Register */
#define VIC_NBUF 100
#define VIC_NBUF_MAX 128
#define VIC_MAX_SCATTER 1 /* 8? */
#define VIC_QUEUE_SIZE VIC_NBUF_MAX
#define VIC_QUEUE2_SIZE 1
#define VIC_INC(_x, _y) (_x) = ((_x) + 1) % (_y)
#define VIC_INC_POS(_x, _y) (_x) = (++(_x)) % (_y) ? (_x) : 1
#define VIC_TX_TIMEOUT 5
#define VIC_TIMER_DELAY 2
#define VIC_TIMER_MS(_ms) (_ms * hz / 1000)
#define VIC_TXURN_WARN(_sc) ((_sc)->sc_txpending >= ((_sc)->sc_ntxbuf - 5))
#define VIC_TXURN(_sc) ((_sc)->sc_txpending >= (_sc)->sc_ntxbuf)
#define VIC_OFF_RXDESC(_n) \
(sizeof(struct vic_data) + ((_n) * sizeof(struct vic_rxdesc)))
#define VIC_OFF_TXDESC(_n) \
(sizeof(struct vic_data) + \
((sc->sc_nrxbuf + VIC_QUEUE2_SIZE) * sizeof(struct vic_rxdesc)) + \
((_n) * sizeof(struct vic_txdesc)))
#define VIC_WRITE(_reg, _val) \
bus_space_write_4(sc->sc_st, sc->sc_sh, (_reg), (_val))
#define VIC_READ(_reg) \
bus_space_read_4(sc->sc_st, sc->sc_sh, (_reg))
#define VIC_WRITE8(_reg, _val) \
bus_space_write_1(sc->sc_st, sc->sc_sh, (_reg), (_val))
#define VIC_READ8(_reg) \
bus_space_read_1(sc->sc_st, sc->sc_sh, (_reg))
struct vic_rxbuf {
bus_dmamap_t rxb_map;
struct mbuf *rxb_m;
};
struct vic_txbuf {
bus_dmamap_t txb_map;
struct mbuf *txb_m;
};
struct vic_softc {
struct device sc_dev;
void *sc_ih;
void *sc_sdhook;
struct arpcom sc_ac;
struct ifmedia sc_media;
struct timeout sc_timer;
struct timeout sc_poll; /* XXX poll */
u_int sc_polling;
int (*sc_enable)(struct vic_softc *);
void (*sc_disable)(struct vic_softc *);
void (*sc_power)(struct vic_softc *, int);
bus_space_tag_t sc_st;
bus_space_handle_t sc_sh;
bus_dma_tag_t sc_dmat;
u_int32_t sc_ver_major, sc_ver_minor;
u_int32_t sc_cap, sc_feature;
u_int8_t sc_lladdr[ETHER_ADDR_LEN];
u_int32_t sc_nrxbuf, sc_ntxbuf;
struct vic_rxdesc *sc_rxq, *sc_rxq2;
struct vic_rxbuf sc_rxbuf[VIC_QUEUE_SIZE];
struct vic_txdesc *sc_txq;
struct vic_txbuf sc_txbuf[VIC_QUEUE_SIZE];
int sc_txpending;
int sc_txtimeout;
struct vic_data *sc_data;
bus_addr_t sc_physaddr;
bus_dmamap_t sc_map;
bus_dma_segment_t sc_seg;
int sc_nsegs;
int sc_size;
};
#endif /* _DEV_IC_VICVAR_H */
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