diff options
author | Arnd Bergmann <arnd@arndb.de> | 2015-01-24 07:09:54 +0300 |
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committer | Kukjin Kim <kgene@kernel.org> | 2015-01-24 07:09:54 +0300 |
commit | d50b9e2e788dce9b120b5ac1140f0cdd1bf905eb (patch) | |
tree | b34a10958fc998b0718f720289d3e40049584b58 /arch/arm/plat-samsung/include/plat/dma.h | |
parent | 32b0aa9aaeb4a493135ea6368a614aa89c3c5488 (diff) | |
download | linux-d50b9e2e788dce9b120b5ac1140f0cdd1bf905eb.tar.xz |
ARM: SAMSUNG: remove unused DMA infrastructure
Everything uses dmaengine now, so there is no reason to
keep this around any longer. Thanks to everyone who was involved
in moving the users over to use the dmaengine APIs.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
Diffstat (limited to 'arch/arm/plat-samsung/include/plat/dma.h')
-rw-r--r-- | arch/arm/plat-samsung/include/plat/dma.h | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/arch/arm/plat-samsung/include/plat/dma.h b/arch/arm/plat-samsung/include/plat/dma.h deleted file mode 100644 index 7b02143ccd9a..000000000000 --- a/arch/arm/plat-samsung/include/plat/dma.h +++ /dev/null @@ -1,130 +0,0 @@ -/* arch/arm/plat-samsung/include/plat/dma.h - * - * Copyright (C) 2003-2006 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * Samsung S3C DMA support - * - * 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. -*/ - -#ifndef __PLAT_DMA_H -#define __PLAT_DMA_H - -#include <linux/dma-mapping.h> - -enum s3c2410_dma_buffresult { - S3C2410_RES_OK, - S3C2410_RES_ERR, - S3C2410_RES_ABORT -}; - -/* enum s3c2410_chan_op - * - * operation codes passed to the DMA code by the user, and also used - * to inform the current channel owner of any changes to the system state -*/ - -enum s3c2410_chan_op { - S3C2410_DMAOP_START, - S3C2410_DMAOP_STOP, - S3C2410_DMAOP_PAUSE, - S3C2410_DMAOP_RESUME, - S3C2410_DMAOP_FLUSH, - S3C2410_DMAOP_TIMEOUT, /* internal signal to handler */ - S3C2410_DMAOP_STARTED, /* indicate channel started */ -}; - -struct s3c2410_dma_client { - char *name; -}; - -struct s3c2410_dma_chan; -enum dma_ch; - -/* s3c2410_dma_cbfn_t - * - * buffer callback routine type -*/ - -typedef void (*s3c2410_dma_cbfn_t)(struct s3c2410_dma_chan *, - void *buf, int size, - enum s3c2410_dma_buffresult result); - -typedef int (*s3c2410_dma_opfn_t)(struct s3c2410_dma_chan *, - enum s3c2410_chan_op ); - - - -/* s3c2410_dma_request - * - * request a dma channel exclusivley -*/ - -extern int s3c2410_dma_request(enum dma_ch channel, - struct s3c2410_dma_client *, void *dev); - - -/* s3c2410_dma_ctrl - * - * change the state of the dma channel -*/ - -extern int s3c2410_dma_ctrl(enum dma_ch channel, enum s3c2410_chan_op op); - -/* s3c2410_dma_setflags - * - * set the channel's flags to a given state -*/ - -extern int s3c2410_dma_setflags(enum dma_ch channel, - unsigned int flags); - -/* s3c2410_dma_free - * - * free the dma channel (will also abort any outstanding operations) -*/ - -extern int s3c2410_dma_free(enum dma_ch channel, struct s3c2410_dma_client *); - -/* s3c2410_dma_enqueue - * - * place the given buffer onto the queue of operations for the channel. - * The buffer must be allocated from dma coherent memory, or the Dcache/WB - * drained before the buffer is given to the DMA system. -*/ - -extern int s3c2410_dma_enqueue(enum dma_ch channel, void *id, - dma_addr_t data, int size); - -/* s3c2410_dma_config - * - * configure the dma channel -*/ - -extern int s3c2410_dma_config(enum dma_ch channel, int xferunit); - -/* s3c2410_dma_devconfig - * - * configure the device we're talking to -*/ - -extern int s3c2410_dma_devconfig(enum dma_ch channel, - enum dma_data_direction source, unsigned long devaddr); - -/* s3c2410_dma_getposition - * - * get the position that the dma transfer is currently at -*/ - -extern int s3c2410_dma_getposition(enum dma_ch channel, - dma_addr_t *src, dma_addr_t *dest); - -extern int s3c2410_dma_set_opfn(enum dma_ch, s3c2410_dma_opfn_t rtn); -extern int s3c2410_dma_set_buffdone_fn(enum dma_ch, s3c2410_dma_cbfn_t rtn); - -#include <plat/dma-ops.h> - -#endif |