1 /* $NetBSD: haltwovar.h,v 1.8 2011/11/23 23:07:30 jmcneill Exp $ */ 2 3 /* 4 * Copyright (c) 2003 Ilpo Ruotsalainen 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * 29 * <<Id: LICENSE_GC,v 1.1 2001/10/01 23:24:05 cgd Exp>> 30 */ 31 32 #ifndef _ARCH_SGIMIPS_HPC_HALTWOVAR_H_ 33 #define _ARCH_SGIMIPS_HPC_HALTWOVAR_H_ 34 35 /* XXX Quite arbitrary? XXX */ 36 #define HALTWO_MAX_DMASEGS 16 37 38 /* Mixer indices */ 39 #define HALTWO_MASTER_VOL 0 40 #define HALTWO_OUTPUT_CLASS 1 41 42 struct haltwo_dmabuf { 43 bus_dmamap_t dma_map; 44 bus_dma_segment_t dma_segs[HALTWO_MAX_DMASEGS]; 45 int dma_segcount; 46 size_t size; 47 void *kern_addr; 48 49 struct haltwo_dmabuf *next; 50 }; 51 52 struct haltwo_codec { 53 bus_dmamap_t dma_map; 54 bus_dma_segment_t dma_seg; 55 56 struct hpc_dma_desc *dma_descs; 57 58 void (*intr)(void *); 59 void *intr_arg; 60 }; 61 62 struct haltwo_softc { 63 device_t sc_dev; 64 kmutex_t sc_lock; 65 kmutex_t sc_intr_lock; 66 67 bus_space_tag_t sc_st; 68 69 bus_space_handle_t sc_dma_sh; 70 71 bus_dma_tag_t sc_dma_tag; 72 73 struct haltwo_dmabuf *sc_dma_bufs; 74 75 struct haltwo_codec sc_dac; 76 #if 0 77 struct haltwo_codec sc_adc; 78 #endif 79 uint8_t sc_vol_left; 80 uint8_t sc_vol_right; 81 82 bus_space_handle_t sc_ctl_sh; 83 bus_space_handle_t sc_aes_sh; 84 bus_space_handle_t sc_vol_sh; 85 bus_space_handle_t sc_syn_sh; 86 }; 87 88 #endif 89