git://git.onelab.eu
/
linux-2.6.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
fedora core 6 1.2949 + vserver 2.2.0
[linux-2.6.git]
/
include
/
asm-sh
/
dma.h
diff --git
a/include/asm-sh/dma.h
b/include/asm-sh/dma.h
index
a118a0d
..
faf3051
100644
(file)
--- a/
include/asm-sh/dma.h
+++ b/
include/asm-sh/dma.h
@@
-11,13
+11,10
@@
#define __ASM_SH_DMA_H
#ifdef __KERNEL__
#define __ASM_SH_DMA_H
#ifdef __KERNEL__
-#include <linux/config.h>
#include <linux/spinlock.h>
#include <linux/wait.h>
#include <linux/sysdev.h>
#include <linux/spinlock.h>
#include <linux/wait.h>
#include <linux/sysdev.h>
-#include <linux/device.h>
#include <asm/cpu/dma.h>
#include <asm/cpu/dma.h>
-#include <asm/semaphore.h>
/* The maximum address that we can perform a DMA transfer to on this platform */
/* Don't define MAX_DMA_ADDRESS; it's useless on the SuperH and any
/* The maximum address that we can perform a DMA transfer to on this platform */
/* Don't define MAX_DMA_ADDRESS; it's useless on the SuperH and any
@@
-47,16
+44,21
@@
* DMAC (dma_info) flags
*/
enum {
* DMAC (dma_info) flags
*/
enum {
- DMAC_CHANNELS_CONFIGURED = 0x0
0
,
- DMAC_CHANNELS_TEI_CAPABLE = 0x0
1,
+ DMAC_CHANNELS_CONFIGURED = 0x0
1
,
+ DMAC_CHANNELS_TEI_CAPABLE = 0x0
2, /* Transfer end interrupt */
};
/*
* DMA channel capabilities / flags
*/
enum {
};
/*
* DMA channel capabilities / flags
*/
enum {
- DMA_TEI_CAPABLE = 0x01,
- DMA_CONFIGURED = 0x02,
+ DMA_CONFIGURED = 0x01,
+
+ /*
+ * Transfer end interrupt, inherited from DMAC.
+ * wait_queue used in dma_wait_for_completion.
+ */
+ DMA_TEI_CAPABLE = 0x02,
};
extern spinlock_t dma_spin_lock;
};
extern spinlock_t dma_spin_lock;
@@
-69,27
+71,31
@@
struct dma_ops {
int (*get_residue)(struct dma_channel *chan);
int (*xfer)(struct dma_channel *chan);
int (*get_residue)(struct dma_channel *chan);
int (*xfer)(struct dma_channel *chan);
- void (*configure)(struct dma_channel *chan, unsigned long flags);
+ int (*configure)(struct dma_channel *chan, unsigned long flags);
+ int (*extend)(struct dma_channel *chan, unsigned long op, void *param);
};
struct dma_channel {
};
struct dma_channel {
- char dev_id[16];
+ char dev_id[16];
/* unique name per DMAC of channel */
- unsigned int chan; /*
Physical
channel number */
+ unsigned int chan; /*
DMAC
channel number */
unsigned int vchan; /* Virtual channel number */
unsigned int vchan; /* Virtual channel number */
+
unsigned int mode;
unsigned int count;
unsigned long sar;
unsigned long dar;
unsigned int mode;
unsigned int count;
unsigned long sar;
unsigned long dar;
+ const char **caps;
+
unsigned long flags;
atomic_t busy;
unsigned long flags;
atomic_t busy;
- struct semaphore sem;
wait_queue_head_t wait_queue;
struct sys_device dev;
wait_queue_head_t wait_queue;
struct sys_device dev;
+ void *priv_data;
};
struct dma_info {
};
struct dma_info {
@@
-103,6
+109,12
@@
struct dma_info {
struct dma_channel *channels;
struct list_head list;
struct dma_channel *channels;
struct list_head list;
+ int first_channel_nr;
+};
+
+struct dma_chan_caps {
+ int ch_num;
+ const char **caplist;
};
#define to_dma_channel(channel) container_of(channel, struct dma_channel, dev)
};
#define to_dma_channel(channel) container_of(channel, struct dma_channel, dev)
@@
-121,6
+133,8
@@
extern int dma_xfer(unsigned int chan, unsigned long from,
#define dma_read_page(chan, from, to) \
dma_read(chan, from, to, PAGE_SIZE)
#define dma_read_page(chan, from, to) \
dma_read(chan, from, to, PAGE_SIZE)
+extern int request_dma_bycap(const char **dmac, const char **caps,
+ const char *dev_id);
extern int request_dma(unsigned int chan, const char *dev_id);
extern void free_dma(unsigned int chan);
extern int get_dma_residue(unsigned int chan);
extern int request_dma(unsigned int chan, const char *dev_id);
extern void free_dma(unsigned int chan);
extern int get_dma_residue(unsigned int chan);
@@
-131,6
+145,10
@@
extern void dma_configure_channel(unsigned int chan, unsigned long flags);
extern int register_dmac(struct dma_info *info);
extern void unregister_dmac(struct dma_info *info);
extern int register_dmac(struct dma_info *info);
extern void unregister_dmac(struct dma_info *info);
+extern struct dma_info *get_dma_info_by_name(const char *dmac_name);
+
+extern int dma_extend(unsigned int chan, unsigned long op, void *param);
+extern int register_chan_caps(const char *dmac, struct dma_chan_caps *capslist);
#ifdef CONFIG_SYSFS
/* arch/sh/drivers/dma/dma-sysfs.c */
#ifdef CONFIG_SYSFS
/* arch/sh/drivers/dma/dma-sysfs.c */