patch-2.1.15 linux/drivers/char/esp.h

• Lines: 102
• Date: Wed Dec 11 17:16:07 1996
• Orig file: v2.1.14/linux/drivers/char/esp.h
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v2.1.14/linux/drivers/char/esp.h linux/drivers/char/esp.h
@@ -0,0 +1,101 @@
+#ifndef ESP_H
+#define ESP_H
+
+#define ESP_IN_MAJOR	57	/* major dev # for dial in */
+#define ESP_OUT_MAJOR	58	/* major dev # for dial out */
+#define ESPC_SCALE 	3
+#define UART_ESI_BASE	0x00
+#define UART_ESI_SID	0x01
+#define UART_ESI_RX	0x02
+#define UART_ESI_TX	0x02
+#define UART_ESI_CMD1	0x04
+#define UART_ESI_CMD2	0x05
+#define UART_ESI_STAT1	0x04
+#define UART_ESI_STAT2	0x05
+#define UART_ESI_RWS	0x07
+
+#define UART_IER_DMA_TMOUT	0x80
+#define UART_IER_DMA_TC		0x08
+
+#define ESI_SET_IRQ		0x04
+#define ESI_SET_DMA_TMOUT	0x05
+#define ESI_SET_SRV_MASK	0x06
+#define ESI_SET_ERR_MASK	0x07
+#define ESI_SET_FLOW_CNTL	0x08
+#define ESI_SET_FLOW_CHARS	0x09
+#define ESI_SET_FLOW_LVL	0x0a
+#define ESI_SET_TRIGGER		0x0b
+#define ESI_SET_RX_TIMEOUT	0x0c
+#define ESI_SET_FLOW_TMOUT	0x0d
+#define ESI_WRITE_UART		0x0e
+#define ESI_READ_UART		0x0f
+#define ESI_SET_MODE		0x10
+#define ESI_GET_ERR_STAT	0x12
+#define ESI_GET_UART_STAT	0x13
+#define ESI_GET_RX_AVAIL	0x14
+#define ESI_GET_TX_AVAIL	0x15
+#define ESI_START_DMA_RX	0x16
+#define ESI_START_DMA_TX	0x17
+#define ESI_ISSUE_BREAK		0x1a
+#define ESI_FLUSH_RX		0x1b
+#define ESI_FLUSH_TX		0x1c
+#define ESI_SET_BAUD		0x1d
+#define ESI_SET_ENH_IRQ		0x1f
+#define ESI_SET_REINTR		0x20
+#define ESI_SET_PRESCALAR	0x23
+#define ESI_NO_COMMAND		0xff
+
+#define STAT_RX_TIMEOUT		0x01
+#define STAT_NEED_DMA		0x02
+
+#define ESP_EVENT_WRITE_WAKEUP	0
+#define ESP_MAGIC		0x53ee
+#define ESP_XMIT_SIZE		4096
+
+struct esp_struct {
+	int			magic;
+	int			baud_base;
+	int			port;
+	int			irq;
+	int			flags; 		/* defined in tty.h */
+	int			type; 		/* UART type */
+	struct tty_struct 	*tty;
+	int			read_status_mask;
+	int			ignore_status_mask;
+	int			timeout;
+	int			stat_flags;
+	int			custom_divisor;
+	int			close_delay;
+	unsigned short		closing_wait;
+	unsigned short		closing_wait2;
+	int			IER; 	/* Interrupt Enable Register */
+	int			MCR; 	/* Modem control register */
+	int			MCR_noint; /* MCR with interrupts off */
+	unsigned long		event;
+	unsigned long		last_active;
+	int			line;
+	int			count;	    /* # of fd on device */
+	int			blocked_open; /* # of blocked opens */
+	long			session; /* Session of opening process */
+	long			pgrp; /* pgrp of opening process */
+	unsigned char 		*xmit_buf;
+	int			xmit_head;
+	int			xmit_tail;
+	int			xmit_cnt;
+	struct tty_flip_buffer	*tty_buf;
+	struct tq_struct	tqueue;
+	struct tq_struct	tqueue_hangup;
+	struct termios		normal_termios;
+	struct termios		callout_termios;
+	struct wait_queue	*open_wait;
+	struct wait_queue	*close_wait;
+	struct wait_queue	*delta_msr_wait;
+	struct wait_queue	*break_wait;
+	struct async_icount	icount;	/* kernel counters for the 4 input interrupts */
+	struct esp_struct	*next_port; /* For the linked list */
+	struct esp_struct	*prev_port;
+};
+
+
+#endif /* ESP_H */
+