diff options
author | Ben Dooks <ben-linux@fluff.org> | 2010-01-29 09:02:15 +0000 |
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committer | Ben Dooks <ben-linux@fluff.org> | 2010-02-23 00:03:43 +0000 |
commit | 2c420fe22f3d526691773288807d010068ce3033 (patch) | |
tree | 8e2605d8ec4cc6f076d7a04f2aa9e3e2727d976d /arch/arm/plat-s3c/dma.c | |
parent | 806c17b5497f62faa65a1fdd235b7fa2df17d704 (diff) |
ARM: SAMSUNG: Move DMA support to plat-samsung
Move the core of the DMA support to plat-samsung for everyone to use.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/plat-s3c/dma.c')
-rw-r--r-- | arch/arm/plat-s3c/dma.c | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/arch/arm/plat-s3c/dma.c b/arch/arm/plat-s3c/dma.c deleted file mode 100644 index 606db1af5fe..00000000000 --- a/arch/arm/plat-s3c/dma.c +++ /dev/null @@ -1,84 +0,0 @@ -/* linux/arch/arm/plat-s3c/dma.c - * - * Copyright (c) 2003-2009 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * http://armlinux.simtec.co.uk/ - * - * S3C DMA core - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -struct s3c2410_dma_buf; - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/errno.h> - -#include <mach/dma.h> -#include <mach/irqs.h> - -/* dma channel state information */ -struct s3c2410_dma_chan s3c2410_chans[S3C_DMA_CHANNELS]; -struct s3c2410_dma_chan *s3c_dma_chan_map[DMACH_MAX]; - -/* s3c_dma_lookup_channel - * - * change the dma channel number given into a real dma channel id -*/ - -struct s3c2410_dma_chan *s3c_dma_lookup_channel(unsigned int channel) -{ - if (channel & DMACH_LOW_LEVEL) - return &s3c2410_chans[channel & ~DMACH_LOW_LEVEL]; - else - return s3c_dma_chan_map[channel]; -} - -/* do we need to protect the settings of the fields from - * irq? -*/ - -int s3c2410_dma_set_opfn(unsigned int channel, s3c2410_dma_opfn_t rtn) -{ - struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); - - if (chan == NULL) - return -EINVAL; - - pr_debug("%s: chan=%p, op rtn=%p\n", __func__, chan, rtn); - - chan->op_fn = rtn; - - return 0; -} -EXPORT_SYMBOL(s3c2410_dma_set_opfn); - -int s3c2410_dma_set_buffdone_fn(unsigned int channel, s3c2410_dma_cbfn_t rtn) -{ - struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); - - if (chan == NULL) - return -EINVAL; - - pr_debug("%s: chan=%p, callback rtn=%p\n", __func__, chan, rtn); - - chan->callback_fn = rtn; - - return 0; -} -EXPORT_SYMBOL(s3c2410_dma_set_buffdone_fn); - -int s3c2410_dma_setflags(unsigned int channel, unsigned int flags) -{ - struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); - - if (chan == NULL) - return -EINVAL; - - chan->flags = flags; - return 0; -} -EXPORT_SYMBOL(s3c2410_dma_setflags); |