From 5eda8ffc6c56571d04a6926ad6b24cd256922a2b Mon Sep 17 00:00:00 2001 From: macallan Date: Wed, 7 Jul 2010 22:53:44 +0000 Subject: [PATCH] bus_dma, straight from arm32. Will probably need adjustments. --- sys/arch/arm/omap/files.omap2 | 6 +++- sys/arch/arm/omap/omap_dma.c | 61 +++++++++++++++++++++++++++++++++++ 2 files changed, 66 insertions(+), 1 deletion(-) create mode 100644 sys/arch/arm/omap/omap_dma.c diff --git a/sys/arch/arm/omap/files.omap2 b/sys/arch/arm/omap/files.omap2 index 6a07b77ac734..1d99dbb5fa9a 100644 --- a/sys/arch/arm/omap/files.omap2 +++ b/sys/arch/arm/omap/files.omap2 @@ -1,4 +1,4 @@ -# $NetBSD: files.omap2,v 1.3 2008/08/27 11:03:10 matt Exp $ +# $NetBSD: files.omap2,v 1.4 2010/07/07 22:53:44 macallan Exp $ # # Configuration info for Texas Instruments OMAP2/OMAP3 CPU support # Based on xscale/files.pxa2x0 @@ -7,6 +7,7 @@ include "arch/arm/pic/files.pic" file arch/arm/arm32/irq_dispatch.S +file arch/arm/omap/omap_dma.c # Memory size in megabytes defparam opt_omap.h MEMSIZE @@ -83,6 +84,9 @@ file arch/arm/omap/omap2_gpmc.c gpmc attach ohci at obio with obioohci file arch/arm/omap/obio_ohci.c obioohci +device omapfb: rasops16, rasops8, wsemuldisplaydev, vcons +attach omapfb at obio +file arch/arm/omap/omapfb.c omapfb # these bus space methods are not bus-specific ... # diff --git a/sys/arch/arm/omap/omap_dma.c b/sys/arch/arm/omap/omap_dma.c new file mode 100644 index 000000000000..2e232dfc1955 --- /dev/null +++ b/sys/arch/arm/omap/omap_dma.c @@ -0,0 +1,61 @@ +/* $NetBSD: omap_dma.c,v 1.2 2010/07/07 22:53:44 macallan Exp $ */ + +/* + * Copyright (c) 2010 Michael Lorenz + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include +__KERNEL_RCSID(0, "$NetBSD: omap_dma.c,v 1.2 2010/07/07 22:53:44 macallan Exp $"); + +#include +#include +#include +#include +#include + +#include + +#define _ARM32_BUS_DMA_PRIVATE +#include + +struct arm32_bus_dma_tag omap_bus_dma_tag = { + 0, + 0, + NULL, /* _cookie */ + _bus_dmamap_create, + _bus_dmamap_destroy, + _bus_dmamap_load, + _bus_dmamap_load_mbuf, + _bus_dmamap_load_uio, + _bus_dmamap_load_raw, + _bus_dmamap_unload, + _bus_dmamap_sync, + NULL, /* sync_post */ + _bus_dmamem_alloc, + _bus_dmamem_free, + _bus_dmamem_map, + _bus_dmamem_unmap, + _bus_dmamem_mmap +}; +