1 files changed, 41 insertions, 49 deletions

diff --git a/include/asm-arm/arch-s3c2410/dma.h b/include/asm-arm/arch-s3c2410/dma.h
index 46e65409fcc5..3661e465b0a5 100644
--- a/include/asm-arm/arch-s3c2410/dma.h
+++ b/include/asm-arm/arch-s3c2410/dma.h
@@ -1,18 +1,13 @@
-/* linux/include/asm-arm/arch-bast/dma.h
+/* linux/include/asm-arm/arch-s3c2410/dma.h
  *
- * Copyright (C) 2003,2004 Simtec Electronics
+ * Copyright (C) 2003,2004,2006 Simtec Electronics
  *      Ben Dooks <ben@simtec.co.uk>
  *
- * Samsung S3C2410X DMA support
+ * Samsung S3C241XX 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.
- *
- * Changelog:
- *  ??-May-2003 BJD   Created file
- *  ??-Jun-2003 BJD   Added more dma functionality to go with arch
- *  10-Nov-2004 BJD   Added sys_device support
 */
 
 #ifndef __ASM_ARCH_DMA_H
@@ -21,15 +16,13 @@
 #include <linux/sysdev.h>
 #include "hardware.h"
 
-
 /*
  * This is the maximum DMA address(physical address) that can be DMAd to.
  *
  */
-#define MAX_DMA_ADDRESS         0x20000000
+#define MAX_DMA_ADDRESS         0x40000000
 #define MAX_DMA_TRANSFER_SIZE   0x100000 /* Data Unit is half word  */
 
-
 /* we have 4 dma channels */
 #define S3C2410_DMA_CHANNELS        (4)
 
@@ -83,10 +76,9 @@ enum s3c2410_dma_buffresult {
         S3C2410_RES_ABORT
 };
 
-
 enum s3c2410_dmasrc {
-        S3C2410_DMASRC_HW,      /* source is memory */
-        S3C2410_DMASRC_MEM      /* source is hardware */
+        S3C2410_DMASRC_HW,              /* source is memory */
+        S3C2410_DMASRC_MEM              /* source is hardware */
 };
 
 /* enum s3c2410_chan_op
@@ -101,7 +93,7 @@ enum s3c2410_chan_op {
         S3C2410_DMAOP_PAUSE,
         S3C2410_DMAOP_RESUME,
         S3C2410_DMAOP_FLUSH,
-        S3C2410_DMAOP_TIMEOUT,           /* internal signal to handler */
+        S3C2410_DMAOP_TIMEOUT,          /* internal signal to handler */
         S3C2410_DMAOP_STARTED,          /* indicate channel started */
 };
 
@@ -125,12 +117,12 @@ struct s3c2410_dma_client {
 
 struct s3c2410_dma_buf;
 struct s3c2410_dma_buf {
-        struct s3c2410_dma_buf   *next;
-        int                  magic;        /* magic */
-        int                  size;         /* buffer size in bytes */
-        dma_addr_t           data;         /* start of DMA data */
-        dma_addr_t           ptr;          /* where the DMA got to [1] */
-        void                *id;           /* client's id */
+        struct s3c2410_dma_buf  *next;
+        int                      magic;         /* magic */
+        int                      size;          /* buffer size in bytes */
+        dma_addr_t               data;          /* start of DMA data */
+        dma_addr_t               ptr;           /* where the DMA got to [1] */
+        void                    *id;            /* client's id */
 };
 
 /* [1] is this updated for both recv/send modes? */
@@ -150,11 +142,11 @@ 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;
-        unsigned long          timeout_shortest;
-        unsigned long          timeout_avg;
-        unsigned long          timeout_failed;
+        unsigned long           loads;
+        unsigned long           timeout_longest;
+        unsigned long           timeout_shortest;
+        unsigned long           timeout_avg;
+        unsigned long           timeout_failed;
 };
 
 /* struct s3c2410_dma_chan
@@ -164,42 +156,42 @@ struct s3c2410_dma_stats {
 
 struct s3c2410_dma_chan {
         /* channel state flags and information */
-        unsigned char          number;      /* number of this dma channel */
-        unsigned char          in_use;      /* channel allocated */
-        unsigned char          irq_claimed; /* irq claimed for channel */
-        unsigned char          irq_enabled; /* irq enabled for channel */
-        unsigned char          xfer_unit;   /* size of an transfer */
+        unsigned char            number;      /* number of this dma channel */
+        unsigned char            in_use;      /* channel allocated */
+        unsigned char            irq_claimed; /* irq claimed for channel */
+        unsigned char            irq_enabled; /* irq enabled for channel */
+        unsigned char            xfer_unit;   /* size of an transfer */
 
         /* channel state */
 
-        enum s3c2410_dma_state    state;
-        enum s3c2410_dma_loadst   load_state;
-        struct s3c2410_dma_client  *client;
+        enum s3c2410_dma_state   state;
+        enum s3c2410_dma_loadst  load_state;
+        struct s3c2410_dma_client *client;
 
         /* channel configuration */
-        enum s3c2410_dmasrc       source;
-        unsigned long          dev_addr;
-        unsigned long          load_timeout;
-        unsigned int           flags;        /* channel flags */
+        enum s3c2410_dmasrc      source;
+        unsigned long            dev_addr;
+        unsigned long            load_timeout;
+        unsigned int             flags;         /* channel flags */
 
         /* channel's hardware position and configuration */
-        void __iomem           *regs;        /* channels registers */
-        void __iomem           *addr_reg;    /* data address register */
-        unsigned int           irq;          /* channel irq */
-        unsigned long          dcon;         /* default value of DCON */
+        void __iomem            *regs;          /* channels registers */
+        void __iomem            *addr_reg;      /* data address register */
+        unsigned int             irq;           /* channel irq */
+        unsigned long            dcon;          /* default value of DCON */
 
         /* driver handles */
-        s3c2410_dma_cbfn_t     callback_fn;  /* buffer done callback */
-        s3c2410_dma_opfn_t     op_fn;        /* channel operation callback */
+        s3c2410_dma_cbfn_t       callback_fn;   /* buffer done callback */
+        s3c2410_dma_opfn_t       op_fn;         /* channel op callback */
 
         /* stats gathering */
-        struct s3c2410_dma_stats   *stats;
-        struct s3c2410_dma_stats    stats_store;
+        struct s3c2410_dma_stats *stats;
+        struct s3c2410_dma_stats  stats_store;
 
         /* buffer list and information */
-        struct s3c2410_dma_buf      *curr;        /* current dma buffer */
-        struct s3c2410_dma_buf      *next;        /* next buffer to load */
-        struct s3c2410_dma_buf      *end;         /* end of queue */
+        struct s3c2410_dma_buf  *curr;          /* current dma buffer */
+        struct s3c2410_dma_buf  *next;          /* next buffer to load */
+        struct s3c2410_dma_buf  *end;           /* end of queue */
 
         /* system device */
         struct sys_device       dev;