[MIPS] kpsd and other AP/SP improvements.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/include/asm-mips/rtlx.h b/include/asm-mips/rtlx.h
index 1298c3f..76cd51c 100644
--- a/include/asm-mips/rtlx.h
+++ b/include/asm-mips/rtlx.h
@@ -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 @@
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_ */