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[MIPS] kpsd and other AP/SP improvements.

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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle
2006-04-05 09:45:45 +01:00
parent bce1a28686
commit 2600990e64
9 changed files with 1315 additions and 402 deletions
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38
include/asm-mips/rtlx.h
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@@ -3,32 +3,46 @@
*
*/
#ifndef _RTLX_H
#define _RTLX_H_
#ifndef __ASM_RTLX_H
#define __ASM_RTLX_H_
#define LX_NODE_BASE 10
#define MIPSCPU_INT_BASE 16
#define MIPS_CPU_RTLX_IRQ 0
#define RTLX_VERSION 1
#define RTLX_VERSION 2
#define RTLX_xID 0x12345600
#define RTLX_ID (RTLX_xID | RTLX_VERSION)
#define RTLX_CHANNELS 8
#define RTLX_BUFFER_SIZE 1024
#define RTLX_CHANNEL_STDIO 0
#define RTLX_CHANNEL_DBG 1
#define RTLX_CHANNEL_SYSIO 2
/*
* lx_state bits
*/
#define RTLX_STATE_OPENED 1UL
extern int rtlx_open(int index, int can_sleep);
extern int rtlx_release(int index);
extern ssize_t rtlx_read(int index, void *buff, size_t count, int user);
extern ssize_t rtlx_write(int index, void *buffer, size_t count, int user);
extern unsigned int rtlx_read_poll(int index, int can_sleep);
extern unsigned int rtlx_write_poll(int index);
enum rtlx_state {
RTLX_STATE_UNUSED,
RTLX_STATE_INITIALISED,
RTLX_STATE_REMOTE_READY,
RTLX_STATE_OPENED
};
#define RTLX_BUFFER_SIZE 1024
/* each channel supports read and write.
linux (vpe0) reads lx_buffer and writes rt_buffer
SP (vpe1) reads rt_buffer and writes lx_buffer
*/
struct rtlx_channel {
unsigned long lx_state;
enum rtlx_state rt_state;
enum rtlx_state lx_state;
int buffer_size;
@@ -38,15 +52,13 @@ struct rtlx_channel {
int lx_write, lx_read;
char *lx_buffer;
void *queues;
};
struct rtlx_info {
unsigned long id;
enum rtlx_state state;
struct rtlx_channel channel[RTLX_CHANNELS];
};
#endif /* _RTLX_H_ */
#endif /* __ASM_RTLX_H_ */