1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright (c) 2000 by Sun Microsystems, Inc. 24*0Sstevel@tonic-gate * All rights reserved. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #ifndef _SYS_ISADMA_H 28*0Sstevel@tonic-gate #define _SYS_ISADMA_H 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #ifdef __cplusplus 33*0Sstevel@tonic-gate extern "C" { 34*0Sstevel@tonic-gate #endif 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate /* 37*0Sstevel@tonic-gate * definition of ebus reg spec entry: 38*0Sstevel@tonic-gate */ 39*0Sstevel@tonic-gate typedef struct { 40*0Sstevel@tonic-gate uint32_t ebus_addr_hi; 41*0Sstevel@tonic-gate uint32_t ebus_addr_low; 42*0Sstevel@tonic-gate uint32_t ebus_size; 43*0Sstevel@tonic-gate } ebus_regspec_t; 44*0Sstevel@tonic-gate 45*0Sstevel@tonic-gate /* 46*0Sstevel@tonic-gate * driver soft state structure: 47*0Sstevel@tonic-gate */ 48*0Sstevel@tonic-gate typedef struct { 49*0Sstevel@tonic-gate dev_info_t *isadma_dip; /* Our dip */ 50*0Sstevel@tonic-gate ebus_regspec_t *isadma_regp; /* Our cached registers */ 51*0Sstevel@tonic-gate int32_t isadma_reglen; /* reg len */ 52*0Sstevel@tonic-gate kmutex_t isadma_access_lock; /* PIO/DMA lock */ 53*0Sstevel@tonic-gate kcondvar_t isadma_access_cv; /* cv to prevent PIO's */ 54*0Sstevel@tonic-gate dev_info_t *isadma_ldip; /* DMA lock dip */ 55*0Sstevel@tonic-gate int isadma_want; /* Want state flag */ 56*0Sstevel@tonic-gate } isadma_devstate_t; 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate /* 59*0Sstevel@tonic-gate * Lower bound and upper bound of DMA address space hole. Registers 60*0Sstevel@tonic-gate * in this hole belong to our childs devices. 61*0Sstevel@tonic-gate */ 62*0Sstevel@tonic-gate #define LO_BOUND DMAC2_ALLMASK 63*0Sstevel@tonic-gate #define HI_BOUND DMA_0XCNT 64*0Sstevel@tonic-gate #define IN_CHILD_SPACE(o) ((o) > LO_BOUND && (o) < HI_BOUND) 65*0Sstevel@tonic-gate #define IN_16BIT_SPACE(o) ((((o) >= DMA_0ADR) && (o) <= DMA_3WCNT) || \ 66*0Sstevel@tonic-gate (((o) >= DMA_4ADR) && ((o) <= DMA_7WCNT))) 67*0Sstevel@tonic-gate #define IS_SEQREG(o) (((o) == DMAC1_CLFF) || ((o) == DMAC2_CLFF)) 68*0Sstevel@tonic-gate #define HDL_TO_SEQREG_ADDR(h, o) \ 69*0Sstevel@tonic-gate ((((o) >= DMA_0ADR) && ((o) <= DMA_3WCNT)) ? \ 70*0Sstevel@tonic-gate (h)->ahi_common.ah_addr + DMAC1_CLFF : \ 71*0Sstevel@tonic-gate (h)->ahi_common.ah_addr + DMAC2_CLFF) 72*0Sstevel@tonic-gate 73*0Sstevel@tonic-gate #define BEGIN_ISADMA(o, v) ((o) == DMAC1_ALLMASK && (v)) 74*0Sstevel@tonic-gate #define END_ISADMA(o, v) ((o) == DMAC1_ALLMASK && (v) == 0) 75*0Sstevel@tonic-gate 76*0Sstevel@tonic-gate #ifdef __cplusplus 77*0Sstevel@tonic-gate } 78*0Sstevel@tonic-gate #endif 79*0Sstevel@tonic-gate 80*0Sstevel@tonic-gate #endif /* _SYS_ISADMA_H */ 81