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auixpvar.h revision 1.8.42.1 
      1 /* $NetBSD: auixpvar.h,v 1.8.42.1 2019/04/21 05:11:22 isaki Exp $*/
      2 
      3 /*
      4  * Copyright (c) 2004, 2005 Reinoud Zandijk <reinoud (at) netbsd.org>
      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. The name of the author may not be used to endorse or promote products
     13  *    derived from this software without specific prior written permission.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed by the NetBSD
     17  *	Foundation, Inc. and its contributors.
     18  * 4. Neither the name of The NetBSD Foundation nor the names of its
     19  *    contributors may be used to endorse or promote products derived
     20  *    from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  * SUCH DAMAGE.
     33  */
     34 
     35 
     36 /*
     37  * NetBSD audio driver for ATI IXP-{150,200,...} audio driver hardware.
     38  */
     39 
     40 #define DMA_DESC_CHAIN	255
     41 
     42 
     43 /* audio format structure describing our hardware capabilities */
     44 /* XXX min and max sample rates are for AD1888 codec XXX */
     45 #define AUIXP_NFORMATS 6
     46 
     47 
     48 #define AUIXP_MINRATE  7000
     49 #define AUIXP_MAXRATE 48000
     50 
     51 
     52 /* current AC'97 driver only supports SPDIF outputting channel 3&4 i.e. STEREO */
     53 #define AUIXP_FORMAT(aumode, prec, ch, chmask) \
     54 	{ \
     55 		.mode		= (aumode), \
     56 		.encoding	= AUDIO_ENCODING_SLINEAR_LE, \
     57 		.validbits	= (prec), \
     58 		.precision	= (prec), \
     59 		.channels	= (ch), \
     60 		.channel_mask	= (chmask), \
     61 		.frequency_type	= 0, \
     62 		.frequency	= { 7000, 48000 }, \
     63 	}
     64 static const struct audio_format auixp_formats[AUIXP_NFORMATS] = {
     65 	AUIXP_FORMAT(AUMODE_PLAY | AUMODE_RECORD, 16, 2, AUFMT_STEREO),
     66 	AUIXP_FORMAT(AUMODE_PLAY | AUMODE_RECORD, 32, 2, AUFMT_STEREO),
     67 	AUIXP_FORMAT(AUMODE_PLAY                , 16, 4, AUFMT_SURROUND4),
     68 	AUIXP_FORMAT(AUMODE_PLAY                , 32, 4, AUFMT_SURROUND4),
     69 	AUIXP_FORMAT(AUMODE_PLAY                , 16, 6, AUFMT_DOLBY_5_1),
     70 	AUIXP_FORMAT(AUMODE_PLAY                , 32, 6, AUFMT_DOLBY_5_1),
     71 };
     72 
     73 
     74 /* auixp structures; used to record alloced DMA space */
     75 struct auixp_dma {
     76 	/* bus mappings */
     77 	bus_dmamap_t		 map;
     78 	void *			 addr;
     79 	bus_dma_segment_t	 segs[1];
     80 	int			 nsegs;
     81 	size_t			 size;
     82 
     83 	/* audio feeder */
     84 	void			 (*intr)(void *);	/* function to call when there is space */
     85 	void			*intrarg;
     86 
     87 	/* status and setup bits */
     88 	int			 running;
     89 	uint32_t		 linkptr;
     90 	uint32_t		 dma_enable_bit;
     91 
     92 	/* linked list of all mapped area's */
     93 	SLIST_ENTRY(auixp_dma)	 dma_chain;
     94 };
     95 
     96 
     97 struct auixp_codec {
     98 	struct auixp_softc	*sc;
     99 
    100 	int			 present;
    101 	int			 codec_nr;
    102 
    103 	struct ac97_codec_if	*codec_if;
    104 	struct ac97_host_if	 host_if;
    105 	enum ac97_host_flags	 codec_flags;
    106 };
    107 
    108 
    109 struct auixp_softc {
    110 	device_t		sc_dev;
    111 	kmutex_t		sc_lock;
    112 	kmutex_t		sc_intr_lock;
    113 
    114 	/* card id */
    115 	int			type;
    116 	int			delay1, delay2;		/* nessisary? */
    117 
    118 	/* card properties */
    119 	int			has_4ch, has_6ch, is_fixed, has_spdif;
    120 
    121 	/* bus tags */
    122 	bus_space_tag_t		sc_iot;
    123 	bus_space_handle_t	sc_ioh;
    124 	bus_addr_t		sc_iob;
    125 	bus_size_t		sc_ios;
    126 
    127 	pcitag_t		sc_tag;
    128 	pci_chipset_tag_t	sc_pct;
    129 
    130 	bus_dma_tag_t		sc_dmat;
    131 
    132 	/* interrupts */
    133 	void			*sc_ih;
    134 
    135 	/* DMA business */
    136 	struct auixp_dma	*sc_output_dma;		/* contains dma-safe chain */
    137 	struct auixp_dma	*sc_input_dma;
    138 
    139 	/* list of allocated DMA pieces */
    140 	SLIST_HEAD(auixp_dma_list, auixp_dma) sc_dma_list;
    141 
    142 	/* audio formats supported */
    143 	struct audio_format sc_formats[AUIXP_NFORMATS];
    144 	struct audio_encoding_set *sc_encodings;
    145 
    146 	/* codecs */
    147 	int			sc_num_codecs;
    148 	struct auixp_codec	sc_codec[ATI_IXP_CODECS];
    149 	int			sc_codec_not_ready_bits;
    150 
    151 	/* last set audio parameters */
    152 	struct audio_params	sc_play_params;
    153 	struct audio_params	sc_rec_params;
    154 };
    155 
    156 
    157