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86 lines
2.9 KiB
C
86 lines
2.9 KiB
C
/* $NetBSD: awin_dma.h,v 1.2 2014/12/05 18:54:35 jmcneill Exp $ */
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/*-
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* Copyright (c) 2014 Jared D. McNeill <jmcneill@invisible.ca>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _ARM_ALLWINNER_AWIN_DMA_H
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#define _ARM_ALLWINNER_AWIN_DMA_H
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#include "opt_ddb.h"
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#include "opt_allwinner.h"
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: awin_dma.h,v 1.2 2014/12/05 18:54:35 jmcneill Exp $");
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <sys/device.h>
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#include <sys/intr.h>
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#include <sys/systm.h>
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#include <sys/mutex.h>
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#include <arm/allwinner/awin_reg.h>
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#include <arm/allwinner/awin_var.h>
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struct awin_dma_softc;
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struct awin_dma_controller {
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void *(*dma_alloc)(struct awin_dma_softc *, const char *,
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void (*)(void *), void *);
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void (*dma_free)(void *);
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uint32_t (*dma_get_config)(void *);
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void (*dma_set_config)(void *, uint32_t);
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int (*dma_transfer)(void *, paddr_t, paddr_t, size_t);
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void (*dma_halt)(void *);
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};
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struct awin_dma_softc {
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device_t sc_dev;
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bus_space_tag_t sc_bst;
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bus_space_handle_t sc_bsh;
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bus_dma_tag_t sc_dmat;
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const struct awin_dma_controller *sc_dc;
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void *sc_ih;
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};
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#if defined(ALLWINNER_A10) || defined(ALLWINNER_A20)
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void awin_dma_a10_attach(struct awin_dma_softc *, struct awinio_attach_args *,
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const struct awin_locators * const);
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#if defined(DDB)
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void awin_dma_a10_dump_regs(struct awin_dma_softc *);
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#endif
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#endif
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#if defined(ALLWINNER_A31) || defined(ALLWINNER_A80)
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void awin_dma_a31_attach(struct awin_dma_softc *, struct awinio_attach_args *,
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const struct awin_locators * const);
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#if defined(DDB)
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void awin_dma_a31_dump_regs(struct awin_dma_softc *);
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#endif
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#endif
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#endif /* !_ARM_ALLWINNER_AWIN_DMA_H */
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