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      1 /*	$NetBSD: vsvar.h,v 1.20 2024/01/07 07:58:33 isaki Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2001 Tetsuya Isaki. All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     20  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     21  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     22  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     23  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     25  * SUCH DAMAGE.
     26  */
     27 
     28 /*
     29  * OKI MSM6258V ADPCM voice synthesizer device driver.
     30  */
     31 
     32 #define VS_ADDR		(0xe92000)
     33 #define VS_DMA		(3)
     34 #define VS_DMAINTR	(0x6a)
     35 
     36 /* XXX: PPI should be defined elsewhere */
     37 #define PPI_ADDR		(0x00e9a000)
     38 #define PPI_MAPSIZE		(0x00002000)
     39 #define PPI_PORTA		0
     40 #define PPI_PORTB		1
     41 #define PPI_PORTC		2
     42 #define PPI_CTRL		3
     43 
     44 #define VS_RATE_15K	(15625)
     45 #define VS_RATE_10K	(10417)
     46 #define VS_RATE_7K	 (7813)
     47 #define VS_RATE_5K	 (5208)
     48 #define VS_RATE_3K	 (3906)
     49 
     50 #define VS_SRATE_1024	(0x00)
     51 #define VS_SRATE_768	(0x04)
     52 #define VS_SRATE_512	(0x08)
     53 
     54 #define VS_PANOUT_LR	(0x00)
     55 #define VS_PANOUT_R	(0x01)
     56 #define VS_PANOUT_L	(0x02)
     57 #define VS_PANOUT_OFF	(0x03)
     58 
     59 #define VS_MAX_BUFSIZE	(65536*4) /* XXX: enough? */
     60 
     61 /* XXX: msm6258vreg.h */
     62 #define MSM6258_CMD	0		/* W */
     63 #define MSM6258_CMD_STOP	(0x01)
     64 #define MSM6258_CMD_PLAY_START	(0x02)
     65 #define MSM6258_CMD_REC_START	(0x04)
     66 #define MSM6258_STAT	0		/* R */
     67 #define MSM6258_DATA	1		/* R/W */
     68 
     69 struct vs_dma {
     70 	bus_dma_tag_t		vd_dmat;
     71 	bus_dmamap_t		vd_map;
     72 	void *			vd_addr;
     73 	bus_dma_segment_t	vd_segs[1];
     74 	int			vd_nsegs;
     75 	size_t			vd_size;
     76 	struct vs_dma		*vd_next;
     77 };
     78 #define KVADDR(dma)	((void *)(dma)->vd_addr)
     79 #define KVADDR_END(dma) ((void *)((size_t)KVADDR(dma) + (dma)->vd_size)))
     80 #define DMAADDR(dma)	((dma)->vd_map->dm_segs[0].ds_addr)
     81 
     82 struct vs_softc {
     83 	device_t sc_dev;
     84 	kmutex_t sc_lock;
     85 	kmutex_t sc_intr_lock;
     86 
     87 	bus_space_tag_t sc_iot;
     88 	bus_space_handle_t sc_ioh;
     89 	bus_space_handle_t sc_ppi; /* XXX */
     90 	uint8_t *sc_addr;
     91 
     92 	bus_dma_tag_t sc_dmat;
     93 	struct dmac_channel_stat *sc_dma_ch;
     94 	struct vs_dma *sc_dmas;
     95 	struct vs_dma *sc_prev_vd;
     96 
     97 	struct {
     98 		struct dmac_dma_xfer *xfer;
     99 		int rate;
    100 	} sc_current;
    101 
    102 	void (*sc_pintr)(void *);
    103 	void (*sc_rintr)(void *);
    104 	void *sc_parg;
    105 	void *sc_rarg;
    106 
    107 	struct msm6258_codecvar sc_codecvar;
    108 };
    109