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path: root/drivers/tty/serial/8250.h
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Diffstat (limited to 'drivers/tty/serial/8250.h')
-rw-r--r--drivers/tty/serial/8250.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/tty/serial/8250.h b/drivers/tty/serial/8250.h
index 6edf4a6a22d4..ae027be57e25 100644
--- a/drivers/tty/serial/8250.h
+++ b/drivers/tty/serial/8250.h
@@ -13,6 +13,32 @@
#include <linux/serial_8250.h>
+struct uart_8250_port {
+ struct uart_port port;
+ struct timer_list timer; /* "no irq" timer */
+ struct list_head list; /* ports on this IRQ */
+ unsigned short capabilities; /* port capabilities */
+ unsigned short bugs; /* port bugs */
+ unsigned int tx_loadsz; /* transmit fifo load size */
+ unsigned char acr;
+ unsigned char ier;
+ unsigned char lcr;
+ unsigned char mcr;
+ unsigned char mcr_mask; /* mask of user bits */
+ unsigned char mcr_force; /* mask of forced bits */
+ unsigned char cur_iotype; /* Running I/O type */
+
+ /*
+ * Some bits in registers are cleared on a read, so they must
+ * be saved whenever the register is read but the bits will not
+ * be immediately processed.
+ */
+#define LSR_SAVE_FLAGS UART_LSR_BRK_ERROR_BITS
+ unsigned char lsr_saved_flags;
+#define MSR_SAVE_FLAGS UART_MSR_ANY_DELTA
+ unsigned char msr_saved_flags;
+};
+
struct old_serial_port {
unsigned int uart;
unsigned int baud_base;