* U = Unused. *
************************************************************************/
+/*
+ * txrx : WR RHR/THR - Holding reg
+ * ier : WR IER - Interrupt Enable Reg
+ * isr_fcr : WR ISR/FCR - Interrupt Status Reg/Fifo Control Reg
+ * lcr : WR LCR - Line Control Reg
+ * mcr : WR MCR - Modem Control Reg
+ * lsr : WR LSR - Line Status Reg
+ * msr : WR MSG - Modem Status Reg
+ * spr : WR SPR - Scratch pad Reg
+ */
struct cls_uart_struct {
- u8 txrx; /* WR RHR/THR - Holding Reg */
- u8 ier; /* WR IER - Interrupt Enable Reg */
- u8 isr_fcr; /* WR ISR/FCR - Interrupt Status Reg/Fifo Control Reg */
- u8 lcr; /* WR LCR - Line Control Reg */
- u8 mcr; /* WR MCR - Modem Control Reg */
- u8 lsr; /* WR LSR - Line Status Reg */
- u8 msr; /* WR MSR - Modem Status Reg */
- u8 spr; /* WR SPR - Scratch Pad Reg */
+ u8 txrx;
+ u8 ier;
+ u8 isr_fcr;
+ u8 lcr;
+ u8 mcr;
+ u8 lsr;
+ u8 msr;
+ u8 spr;
};
/* Where to read the interrupt register (8bits) */
#define UART_16654_FCR_RXTRIGGER_56 0x80
#define UART_16654_FCR_RXTRIGGER_60 0xC0
-#define UART_IIR_CTSRTS 0x20 /* Received CTS/RTS change of state */
-#define UART_IIR_RDI_TIMEOUT 0x0C /* Receiver data TIMEOUT */
+/* Received CTS/RTS change of state */
+#define UART_IIR_CTSRTS 0x20
+
+/* Receiver data TIMEOUT */
+#define UART_IIR_RDI_TIMEOUT 0x0C
/*
* These are the EXTENDED definitions for the Exar 654's Interrupt
#define UART_EXAR654_EFR_RTSDTR 0x40 /* Auto RTS/DTR Flow Control Enable */
#define UART_EXAR654_EFR_CTSDSR 0x80 /* Auto CTS/DSR Flow COntrol Enable */
-#define UART_EXAR654_XOFF_DETECT 0x1 /* Indicates whether chip saw an incoming XOFF char */
-#define UART_EXAR654_XON_DETECT 0x2 /* Indicates whether chip saw an incoming XON char */
+/* Indicates whether chip saw an incoming XOFF char */
+#define UART_EXAR654_XOFF_DETECT 0x1
+
+/* Indicates whether chip saw an incoming XON char */
+#define UART_EXAR654_XON_DETECT 0x2
#define UART_EXAR654_IER_XOFF 0x20 /* Xoff Interrupt Enable */
#define UART_EXAR654_IER_RTSDTR 0x40 /* Output Interrupt Enable */