Displaying 1 result from an estimated 1 matches for "iir_msi".
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iir_lsi
2013 Jul 16
0
[PATCH] xen: extract register definitions from ns16550 into a separated header
...0x01 /* no interrupt pending */
-#define IIR_IMASK 0x06 /* interrupt identity: */
-#define IIR_LSI 0x06 /* - rx line status */
-#define IIR_RDAI 0x04 /* - rx data recv''d */
-#define IIR_THREI 0x02 /* - tx reg. empty */
-#define IIR_MSI 0x00 /* - MODEM status */
-
-/* FIFO Control Register */
-#define FCR_ENABLE 0x01 /* enable FIFO */
-#define FCR_CLRX 0x02 /* clear Rx FIFO */
-#define FCR_CLTX 0x04 /* clear Tx FIFO */
-#define FCR_DMA 0x10 /* enter DMA...