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Annotation of sys/arch/arm/xscale/pxa2x0_i2s.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: pxa2x0_i2s.h,v 1.3 2006/04/04 11:45:40 pascoe Exp $   */
                      2:
                      3: /*
                      4:  * Copyright (c) 2005 Uwe Stuehler <uwe@bsdx.de>
                      5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
                     18:
                     19: #ifndef _PXA2X0_I2S_H_
                     20: #define _PXA2X0_I2S_H_
                     21:
                     22: #include <machine/bus.h>
                     23:
                     24: struct pxa2x0_i2s_dma;
                     25:
                     26: struct pxa2x0_i2s_softc {
                     27:        bus_space_tag_t sc_iot;
                     28:        bus_space_handle_t sc_ioh;
                     29:        bus_size_t sc_size;
                     30:        bus_dma_tag_t sc_dmat;
                     31:
                     32:        int sc_open;
                     33:        u_int32_t sc_sadiv;
                     34:
                     35:        struct pxa2x0_i2s_dma *sc_dmas;
                     36: };
                     37:
                     38: void   pxa2x0_i2s_init(struct pxa2x0_i2s_softc *sc);
                     39: int    pxa2x0_i2s_attach_sub(struct pxa2x0_i2s_softc *);
                     40: int    pxa2x0_i2s_detach_sub(struct pxa2x0_i2s_softc *);
                     41: void   pxa2x0_i2s_open(struct pxa2x0_i2s_softc *);
                     42: void   pxa2x0_i2s_close(struct pxa2x0_i2s_softc *);
                     43: void   pxa2x0_i2s_write(struct pxa2x0_i2s_softc *, u_int32_t);
                     44:
                     45: void   pxa2x0_i2s_setspeed(struct pxa2x0_i2s_softc *, u_long *);
                     46:
                     47: void * pxa2x0_i2s_allocm(void *, int, size_t, int, int);
                     48: void   pxa2x0_i2s_freem(void  *, void *, int);
                     49: paddr_t        pxa2x0_i2s_mappage(void *, void *, off_t, int);
                     50: int    pxa2x0_i2s_round_blocksize(void *, int);
                     51: size_t pxa2x0_i2s_round_buffersize(void *, int, size_t);
                     52:
                     53: int    pxa2x0_i2s_start_output(struct pxa2x0_i2s_softc *, void *, int,
                     54:            void (*)(void *), void *);
                     55: int    pxa2x0_i2s_start_input(struct pxa2x0_i2s_softc *, void *, int,
                     56:            void (*)(void *), void *);
                     57:
                     58: #endif