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Annotation of sys/arch/macppc/dev/i2svar.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: i2svar.h,v 1.3 2005/11/19 01:07:00 kettenis Exp $     */
                      2: /*     $Id: i2svar.h,v 1.3 2005/11/19 01:07:00 kettenis Exp $  */
                      3:
                      4: /*-
                      5:  * Copyright (c) 2001,2003 Tsubai Masanari.  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
                     27:  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     28:  */
                     29:
                     30: #if !defined(I2S_H_INCLUDE)
                     31: #define I2S_H_INCLUDE
                     32:
                     33: #define I2S_DMALIST_MAX                32
                     34: #define I2S_DMASEG_MAX         NBPG
                     35:
                     36: struct i2s_dma {
                     37:        bus_dmamap_t map;
                     38:        caddr_t addr;
                     39:        bus_dma_segment_t segs[I2S_DMALIST_MAX];
                     40:        int nsegs;
                     41:        size_t size;
                     42:        struct i2s_dma *next;
                     43: };
                     44:
                     45: struct i2s_softc {
                     46:        struct device sc_dev;
                     47:        int sc_flags;
                     48:        int sc_node;
                     49:        u_int sc_baseaddr;
                     50:
                     51:        void (*sc_ointr)(void *);       /* dma completion intr handler */
                     52:        void *sc_oarg;                  /* arg for sc_ointr() */
                     53:        int sc_opages;                  /* # of output pages */
                     54:
                     55:        void (*sc_iintr)(void *);       /* dma completion intr handler */
                     56:        void *sc_iarg;                  /* arg for sc_iintr() */
                     57:
                     58:        u_int sc_record_source;         /* recording source mask */
                     59:        u_int sc_output_mask;           /* output source mask */
                     60:
                     61:        void (*sc_setvolume)(struct i2s_softc *, int, int);
                     62:        void (*sc_setbass)(struct i2s_softc *, int);
                     63:        void (*sc_settreble)(struct i2s_softc *, int);
                     64:
                     65:        u_char *sc_reg;
                     66:        void *sc_i2c;
                     67:
                     68:        u_int sc_rate;
                     69:        u_int sc_vol_l;
                     70:        u_int sc_vol_r;
                     71:        u_int sc_bass;
                     72:        u_int sc_treble;
                     73:
                     74:        bus_dma_tag_t sc_dmat;
                     75:        dbdma_regmap_t *sc_odma;
                     76:        dbdma_regmap_t *sc_idma;
                     77:        struct dbdma_command *sc_odmacmd, *sc_odmap;
                     78:        struct dbdma_command *sc_idmacmd, *sc_idmap;
                     79:        dbdma_t sc_odbdma, sc_idbdma;
                     80:
                     81:        struct i2s_dma *sc_dmas;
                     82: };
                     83:
                     84: void i2s_attach(struct device *, struct i2s_softc *, struct confargs *);
                     85: int i2s_intr(void *);
                     86: int i2s_open(void *, int);
                     87: void i2s_close(void *);
                     88: int i2s_query_encoding(void *, struct audio_encoding *);
                     89: int i2s_set_params(void *, int, int, struct audio_params *, struct audio_params *);
                     90: int i2s_round_blocksize(void *, int);
                     91: int i2s_halt_output(void *);
                     92: int i2s_halt_input(void *);
                     93: int i2s_set_port(void *, mixer_ctrl_t *);
                     94: int i2s_get_port(void *, mixer_ctrl_t *);
                     95: int i2s_query_devinfo(void *, mixer_devinfo_t *);
                     96: size_t i2s_round_buffersize(void *, int, size_t);
                     97: paddr_t i2s_mappage(void *, void *, off_t, int);
                     98: int i2s_get_props(void *);
                     99: int i2s_trigger_output(void *, void *, void *, int, void (*)(void *),
                    100:     void *, struct audio_params *);
                    101: int i2s_trigger_input(void *, void *, void *, int, void (*)(void *),
                    102:     void *, struct audio_params *);
                    103: int i2s_set_rate(struct i2s_softc *, int);
                    104: void i2s_gpio_init(struct i2s_softc *, int, struct device *);
                    105: void *i2s_allocm(void *, int, size_t, int, int);
                    106: int deq_reset(struct i2s_softc *);
                    107:
                    108: #endif