X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Farm%2Fmach-s3c2410%2Finclude%2Fmach%2Fdma.h;h=c3a2629e0ded67443455dcb3508fb3842845e473;hb=385861206c21364c01dcfdda5064643ce111d517;hp=6cefa56e6a1f86498f44e0875a521e1d27dbb00a;hpb=44dc94045f6ddbc07db3e0eb3448c2efc13ac2cf;p=pandora-kernel.git diff --git a/arch/arm/mach-s3c2410/include/mach/dma.h b/arch/arm/mach-s3c2410/include/mach/dma.h index 6cefa56e6a1f..c3a2629e0ded 100644 --- a/arch/arm/mach-s3c2410/include/mach/dma.h +++ b/arch/arm/mach-s3c2410/include/mach/dma.h @@ -13,8 +13,8 @@ #ifndef __ASM_ARCH_DMA_H #define __ASM_ARCH_DMA_H __FILE__ +#include #include -#include #define MAX_DMA_TRANSFER_SIZE 0x100000 /* Data Unit is half word */ @@ -55,9 +55,9 @@ enum dma_ch { /* we have 4 dma channels */ #ifndef CONFIG_CPU_S3C2443 -#define S3C2410_DMA_CHANNELS (4) +#define S3C_DMA_CHANNELS (4) #else -#define S3C2410_DMA_CHANNELS (6) +#define S3C_DMA_CHANNELS (6) #endif /* types */ @@ -103,32 +103,6 @@ enum s3c2410_dma_loadst { S3C2410_DMALOAD_1LOADED_1RUNNING, }; -enum s3c2410_dma_buffresult { - S3C2410_RES_OK, - S3C2410_RES_ERR, - S3C2410_RES_ABORT -}; - -enum s3c2410_dmasrc { - S3C2410_DMASRC_HW, /* source is memory */ - S3C2410_DMASRC_MEM /* source is hardware */ -}; - -/* 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 */ -}; /* flags */ @@ -138,17 +112,14 @@ enum s3c2410_chan_op { /* dma buffer */ -struct s3c2410_dma_client { - char *name; -}; +struct s3c2410_dma_buf; -/* s3c2410_dma_buf_s +/* s3c2410_dma_buf * * internally used buffer structure to describe a queued or running * buffer. */ -struct s3c2410_dma_buf; struct s3c2410_dma_buf { struct s3c2410_dma_buf *next; int magic; /* magic */ @@ -160,20 +131,6 @@ struct s3c2410_dma_buf { /* [1] is this updated for both recv/send modes? */ -struct s3c2410_dma_chan; - -/* 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 ); - struct s3c2410_dma_stats { unsigned long loads; unsigned long timeout_longest; @@ -235,79 +192,6 @@ struct s3c2410_dma_chan { struct sys_device dev; }; -/* the currently allocated channel information */ -extern struct s3c2410_dma_chan s3c2410_chans[]; - -/* note, we don't really use dma_device_t at the moment */ typedef unsigned long dma_device_t; -/* functions --------------------------------------------------------------- */ - -/* s3c2410_dma_request - * - * request a dma channel exclusivley -*/ - -extern int s3c2410_dma_request(unsigned int channel, - struct s3c2410_dma_client *, void *dev); - - -/* s3c2410_dma_ctrl - * - * change the state of the dma channel -*/ - -extern int s3c2410_dma_ctrl(unsigned int channel, enum s3c2410_chan_op op); - -/* s3c2410_dma_setflags - * - * set the channel's flags to a given state -*/ - -extern int s3c2410_dma_setflags(unsigned int channel, - unsigned int flags); - -/* s3c2410_dma_free - * - * free the dma channel (will also abort any outstanding operations) -*/ - -extern int s3c2410_dma_free(unsigned int 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(unsigned int channel, void *id, - dma_addr_t data, int size); - -/* s3c2410_dma_config - * - * configure the dma channel -*/ - -extern int s3c2410_dma_config(unsigned int channel, int xferunit); - -/* s3c2410_dma_devconfig - * - * configure the device we're talking to -*/ - -extern int s3c2410_dma_devconfig(int channel, enum s3c2410_dmasrc source, - unsigned long devaddr); - -/* s3c2410_dma_getposition - * - * get the position that the dma transfer is currently at -*/ - -extern int s3c2410_dma_getposition(unsigned int channel, - dma_addr_t *src, dma_addr_t *dest); - -extern int s3c2410_dma_set_opfn(unsigned int, s3c2410_dma_opfn_t rtn); -extern int s3c2410_dma_set_buffdone_fn(unsigned int, s3c2410_dma_cbfn_t rtn); - #endif /* __ASM_ARCH_DMA_H */