diff options
| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1998-07-25 16:53:21 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1998-07-25 16:53:21 +0000 |
| commit | 70a94515a7f0e6de540894beae14fb9534cdc21e (patch) | |
| tree | 882c6eead3c679b983e391ea53239b21da37475d /c/src/libchip/serial/ns16550_p.h | |
| parent | Removed TX ring buffer. (diff) | |
| download | rtems-70a94515a7f0e6de540894beae14fb9534cdc21e.tar.bz2 | |
Rewrote NS16550 TX interrupt processing to use termios for the buffer
and manage the interrupt sources like the other drivers. This
let use remove the ns16550_flush() routine.
Diffstat (limited to '')
| -rw-r--r-- | c/src/libchip/serial/ns16550_p.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/c/src/libchip/serial/ns16550_p.h b/c/src/libchip/serial/ns16550_p.h index 95d4ec77b1..1ffd0725c7 100644 --- a/c/src/libchip/serial/ns16550_p.h +++ b/c/src/libchip/serial/ns16550_p.h @@ -82,6 +82,10 @@ typedef volatile struct _SP_WRITE_REGISTERS { #define SP_INT_LS_ENABLE 0x04 #define SP_INT_MS_ENABLE 0x08 +#define NS16550_ENABLE_ALL_INTR (SP_INT_RX_ENABLE | SP_INT_TX_ENABLE) +#define NS16550_DISABLE_ALL_INTR 0x00 +#define NS16550_ENABLE_ALL_INTR_EXCEPT_TX (SP_INT_RX_ENABLE) + /* * Define serial port interrupt id register structure. */ @@ -201,8 +205,6 @@ NS16550_STATIC int ns16550_negate_DTR( NS16550_STATIC void ns16550_initialize_interrupts(int minor); -NS16550_STATIC int ns16550_flush(int major, int minor, void *arg); - NS16550_STATIC int ns16550_write_support_int( int minor, const char *buf, @@ -219,6 +221,11 @@ NS16550_STATIC int ns16550_inbyte_nonblocking_polled( int minor ); +NS16550_STATIC void ns16550_enable_interrupts( + int minor, + int mask +); + #ifdef __cplusplus } #endif |