1 /* $Id: at91emacvar.h,v 1.4 2022/09/17 19:32:01 thorpej Exp $ */ 2 /* $NetBSD: at91emacvar.h,v 1.4 2022/09/17 19:32:01 thorpej Exp $ */ 3 /*- 4 * Copyright (c) 2007 Embedtronics Oy 5 * All rights reserved 6 * 7 * Based on arch/arm/ep93xx/epevar.h 8 * 9 * Copyright (c) 2004 Jesse Off 10 * All rights reserved 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 */ 34 35 #ifndef _AT91EMACVAR_H_ 36 #define _AT91EMACVAR_H_ 37 38 #define RX_QLEN 64 39 #define TX_QLEN 2 /* I'm very sorry but that's where we can get */ 40 41 struct emac_qmeta { 42 struct mbuf *m; 43 bus_dmamap_t m_dmamap; 44 }; 45 46 struct emac_softc { 47 device_t sc_dev; 48 bus_space_tag_t sc_iot; 49 bus_space_handle_t sc_ioh; 50 bus_dma_tag_t sc_dmat; 51 int sc_pid; 52 uint8_t sc_enaddr[ETHER_ADDR_LEN]; 53 struct ethercom sc_ec; 54 mii_data_t sc_mii; 55 void *rbqpage; 56 unsigned rbqlen; 57 bus_addr_t rbqpage_dsaddr; 58 bus_dmamap_t rbqpage_dmamap; 59 60 volatile struct eth_rdsc *RDSC; 61 int rxqi; 62 struct emac_qmeta rxq[RX_QLEN]; 63 int txqi, txqc; 64 struct emac_qmeta txq[TX_QLEN]; 65 callout_t emac_tick_ch; 66 bool tx_busy; 67 }; 68 69 #endif /* _AT91EMACVAR_H_ */ 70