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Annotation of sys/dev/pci/auixpvar.h, Revision 1.1.1.1

1.1       nbrk        1: /* $OpenBSD: auixpvar.h,v 1.1 2005/08/07 20:08:45 mickey Exp $ */
                      2: /* $NetBSD: auixpvar.h,v 1.3 2005/01/12 15:54:34 kent Exp $*/
                      3:
                      4: /*
                      5:  * Copyright (c) 2004, 2005 Reinoud Zandijk <reinoud@netbsd.org>
                      6:  * All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. The name of the author may not be used to endorse or promote products
                     14:  *    derived from this software without specific prior written permission.
                     15:  * 3. All advertising materials mentioning features or use of this software
                     16:  *    must display the following acknowledgement:
                     17:  *     This product includes software developed by the NetBSD
                     18:  *     Foundation, Inc. and its contributors.
                     19:  * 4. Neither the name of The NetBSD Foundation nor the names of its
                     20:  *    contributors may be used to endorse or promote products derived
                     21:  *    from this software without specific prior written permission.
                     22:  *
                     23:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     24:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     25:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     26:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     27:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
                     28:  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
                     29:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
                     30:  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
                     31:  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     32:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     33:  * SUCH DAMAGE.
                     34:  */
                     35:
                     36:
                     37: /*
                     38:  * NetBSD audio driver for ATI IXP-{150,200,...} audio driver hardware.
                     39:  */
                     40:
                     41: #define DMA_DESC_CHAIN 255
                     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: #define AUIXP_MINRATE  7000
                     48: #define AUIXP_MAXRATE 48000
                     49:
                     50: /* auixp structures; used to record alloced DMA space */
                     51: struct auixp_dma {
                     52:        /* bus mappings */
                     53:        bus_dmamap_t             map;
                     54:        caddr_t                  addr;
                     55:        bus_dma_segment_t        segs[1];
                     56:        int                      nsegs;
                     57:        size_t                   size;
                     58:
                     59:        /* audio feeder */
                     60:        void                     (*intr)(void *);
                     61:        void                    *intrarg;
                     62:
                     63:        /* status and setup bits */
                     64:        int                      running;
                     65:        u_int32_t                linkptr;
                     66:        u_int32_t                dma_enable_bit;
                     67:
                     68:        /* linked list of all mapped area's */
                     69:        SLIST_ENTRY(auixp_dma)   dma_chain;
                     70: };
                     71:
                     72: struct auixp_codec {
                     73:        struct auixp_softc      *sc;
                     74:
                     75:        int                      present;
                     76:        int                      codec_nr;
                     77:
                     78:        struct ac97_codec_if    *codec_if;
                     79:        struct ac97_host_if      host_if;
                     80:        enum ac97_host_flags     codec_flags;
                     81: };
                     82:
                     83: struct auixp_softc {
                     84:        struct device           sc_dev;
                     85:        audio_device_t          sc_audev;
                     86:        void                    *sc_ih;
                     87:
                     88:        /* card properties */
                     89:        int                     has_4ch, has_6ch, is_fixed, has_spdif;
                     90:
                     91:        /* bus tags */
                     92:        bus_space_tag_t         sc_iot;
                     93:        bus_space_handle_t      sc_ioh;
                     94:        bus_addr_t              sc_iob;
                     95:        bus_size_t              sc_ios;
                     96:
                     97:        pcitag_t                sc_tag;
                     98:        pci_chipset_tag_t       sc_pct;
                     99:
                    100:        bus_dma_tag_t           sc_dmat;
                    101:
                    102:        /* DMA business */
                    103:        struct auixp_dma        *sc_output_dma;
                    104:        struct auixp_dma        *sc_input_dma;
                    105:
                    106:        /* list of allocated DMA pieces */
                    107:        SLIST_HEAD(auixp_dma_list, auixp_dma) sc_dma_list;
                    108:
                    109:        /* codecs */
                    110:        int                     sc_num_codecs;
                    111:        struct auixp_codec      sc_codec[ATI_IXP_CODECS];
                    112:        int                     sc_codec_not_ready_bits;
                    113:
                    114:        /* last set audio parameters */
                    115:        struct audio_params     sc_play_params;
                    116:        struct audio_params     sc_rec_params;
                    117:
                    118:        /* suspend/resume */
                    119:        void                    *powerhook;
                    120:        u_int16_t               *savemem;
                    121: };