net/hamradio/z8530.h

1 /* SPDX-License-Identifier: GPL-2.0 */
6 /* Write Register 0 */
28 #define	RES_RxINT_FC	0x20	/* Reset RxINT on First Character */
37 /* Write Register 1 */
44 #define	RxINT_FCERR	0x8	/* Rx Int on First Character Only or Error */
45 #define	INT_ALL_Rx	0x10	/* Int on all Rx Characters or error */
46 #define	INT_ERR_Rx	0x18	/* Int on error only */
48 #define	WT_RDY_RT	0x20	/* Wait/Ready on R/T */
49 #define	WT_FN_RDYFN	0x40	/* Wait/FN/Ready FN */
50 #define	WT_RDY_ENAB	0x80	/* Wait/Ready Enable */
52 /* Write Register #2 (Interrupt Vector) */
54 /* Write Register 3 */
67 /* Write Register 4 */
87 /* Write Register 5 */
91 #define	SDLC_CRC	0x4	/* SDLC/CRC-16 */
100 /* Write Register 6 (Sync bits 0-7/SDLC Address Field) */
102 /* Write Register 7 (Sync bits 8-15/SDLC 01111110) */
104 /* Write Register 8 (transmit buffer) */
106 /* Write Register 9 (Master interrupt control) */
112 #define	NORESET	0	/* No reset on write to R9 */
117 /* Write Register 10 (misc control bits) */
120 #define	ABUNDER	4	/* Abort/flag on SDLC xmit underrun */
121 #define	MARKIDLE 8	/* Mark/flag on idle */
122 #define	GAOP	0x10	/* Go active on poll */
129 /* Write Register 11 (Clock Mode control) */
145 /* Write Register 12 (lower byte of baud rate generator time constant) */
147 /* Write Register 13 (upper byte of baud rate generator time constant) */
149 /* Write Register 14 (Misc control bits) */
163 /* Write Register 15 (external/status interrupt control) */
199 /* Read Register 2 (channel b only) - Interrupt vector */
212 #define	ONLOOP	2		/* On loop */
225 /* Write Register 7' (SDLC/HDLC Programmable Enhancements) */
230 #define RXFIFOH 0x08		/* Z85230: Int on RX FIFO half full */
233 #define TXFIFOE 0x20		/* Z85230: Int on TX FIFO completely empty */
236 /* Write Register 15 (external/status interrupt control) */