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ydsvar.h revision 1.3 
      1 /*	$NetBSD: ydsvar.h,v 1.3 2004/11/08 12:10:22 kent Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2000, 2001 Kazuki Sakamoto and Minoura Makoto.
      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  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #ifndef _DEV_PCI_YDSVAR_H_
     29 #define	_DEV_PCI_YDSVAR_H_
     30 
     31 #define N_PLAY_SLOTS		2		/* We use only 2 (R and L) */
     32 #define	N_PLAY_SLOT_CTRL	2
     33 #define WORK_SIZE		0x0400
     34 
     35 /*
     36  * softc
     37  */
     38 struct yds_dma {
     39 	bus_dmamap_t map;
     40 	caddr_t addr;			/* VA */
     41 	bus_dma_segment_t segs[1];
     42 	int nsegs;
     43 	size_t size;
     44 	struct yds_dma *next;
     45 };
     46 
     47 struct yds_codec_softc {
     48 	struct device sc_dev;		/* base device */
     49 	struct yds_softc *sc;
     50 	int id;
     51 	int status_data;
     52 	int status_addr;
     53 	struct ac97_host_if host_if;
     54 	struct ac97_codec_if *codec_if;
     55 };
     56 
     57 struct yds_softc {
     58 	struct device		sc_dev;		/* base device */
     59 	pci_chipset_tag_t	sc_pc;
     60 	pcitag_t		sc_pcitag;
     61 	pcireg_t		sc_id;
     62 	int			sc_revision;
     63 	void			*sc_ih;		/* interrupt vectoring */
     64 	bus_space_tag_t		memt;
     65 	bus_space_handle_t	memh;
     66 	bus_dma_tag_t		sc_dmatag;	/* DMA tag */
     67 	u_int			sc_flags;
     68 
     69 	struct yds_codec_softc	sc_codec[2];	/* Primary/Secondary AC97 */
     70 
     71 	struct yds_dma		*sc_dmas;	/* List of DMA handles */
     72 
     73 	/*
     74 	 * Play/record status
     75 	 */
     76 	struct {
     77 		void		(*intr)(void *); /* rint/pint */
     78 		void		*intr_arg;	/* arg for intr */
     79 		u_int		offset;		/* filled up to here */
     80 		u_int		blksize;
     81 		u_int		factor;		/* byte per sample */
     82 		u_int		length;		/* ring buffer length */
     83 		struct yds_dma	*dma;		/* DMA handle for ring buf */
     84 	} sc_play, sc_rec;
     85 
     86 	/*
     87 	 * DSP control data
     88 	 *
     89 	 * Work space, play control data table, play slot control data,
     90 	 * rec slot control data and effect slot control data are
     91 	 * stored in a single memory segment in this order.
     92 	 */
     93 	struct yds_dma			sc_ctrldata;
     94 	/* KVA and offset in buffer of play ctrl data tbl */
     95 	u_int32_t			*ptbl;
     96 	off_t				ptbloff;
     97 	/* KVA and offset in buffer of rec slot ctrl data */
     98 	struct rec_slot_ctrl_bank	*rbank;
     99 	off_t				rbankoff;
    100 	/* Array of KVA pointers and offset of play slot control data */
    101 	struct play_slot_ctrl_bank	*pbankp[N_PLAY_SLOT_CTRL_BANK
    102 					       *N_PLAY_SLOTS];
    103 	off_t				pbankoff;
    104 
    105 	/*
    106 	 * Legacy support
    107 	 */
    108 	bus_space_tag_t		sc_legacy_iot;
    109 	bus_space_handle_t	sc_opl_ioh;
    110 	struct device		*sc_mpu;
    111 	bus_space_handle_t	sc_mpu_ioh;
    112 };
    113 #define sc_opl_iot	sc_legacy_iot
    114 #define sc_mpu_iot	sc_legacy_iot
    115 
    116 #endif /* _DEV_PCI_YDSVAR_H_ */
    117