Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / staging / dgnc / dgnc_cls.h

diff --git a/kernel/drivers/staging/dgnc/dgnc_cls.h b/kernel/drivers/staging/dgnc/dgnc_cls.h
new file mode 100644 (file)
index 0000000..2597e36
--- /dev/null
+++ b/kernel/drivers/staging/dgnc/dgnc_cls.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright 2003 Digi International (www.digi.com)
+ *     Scott H Kilau <Scott_Kilau at digi dot com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED; without even the
+ * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ */
+
+#ifndef __DGNC_CLS_H
+#define __DGNC_CLS_H
+
+/************************************************************************
+ * Per channel/port Classic UART structure                             *
+ ************************************************************************
+ *             Base Structure Entries Usage Meanings to Host           *
+ *                                                                     *
+ *     W = read write          R = read only                           *
+ *                     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;
+       u8 ier;
+       u8 isr_fcr;
+       u8 lcr;
+       u8 mcr;
+       u8 lsr;
+       u8 msr;
+       u8 spr;
+};
+
+/* Where to read the interrupt register (8bits) */
+#define        UART_CLASSIC_POLL_ADDR_OFFSET   0x40
+
+#define UART_EXAR654_ENHANCED_REGISTER_SET 0xBF
+
+#define UART_16654_FCR_TXTRIGGER_16    0x10
+#define UART_16654_FCR_RXTRIGGER_16    0x40
+#define UART_16654_FCR_RXTRIGGER_56    0x80
+
+/* 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
+ * Enable Register.
+ */
+#define UART_EXAR654_EFR_ECB      0x10    /* Enhanced control bit */
+#define UART_EXAR654_EFR_IXON     0x2     /* Receiver compares Xon1/Xoff1 */
+#define UART_EXAR654_EFR_IXOFF    0x8     /* Transmit Xon1/Xoff1 */
+#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_IER_XOFF     0x20    /* Xoff Interrupt Enable */
+#define UART_EXAR654_IER_RTSDTR   0x40    /* Output Interrupt Enable */
+#define UART_EXAR654_IER_CTSDSR   0x80    /* Input Interrupt Enable */
+
+/*
+ * Our Global Variables
+ */
+extern struct board_ops dgnc_cls_ops;
+
+#endif