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      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