net/hamradio/z8530.h

1 /* SPDX-License-Identifier: GPL-2.0 */
33 #define	RES_Rx_CRC	0x40	/* Reset Rx CRC Checker */
43 #define	RxINT_DISAB	0	/* Rx Int Disable */
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 */
56 #define	RxENABLE	0x1	/* Rx Enable */
58 #define	ADD_SM		0x4	/* Address Search Mode (SDLC) */
59 #define	RxCRC_ENAB	0x8	/* Rx CRC Enable */
60 #define	ENT_HM		0x10	/* Enter Hunt Mode */
62 #define	Rx5		0x0	/* Rx 5 Bits/Character */
63 #define	Rx7		0x40	/* Rx 7 Bits/Character */
64 #define	Rx6		0x80	/* Rx 6 Bits/Character */
65 #define	Rx8		0xc0	/* Rx 8 Bits/Character */
79 #define	SDLC		0x20	/* SDLC Mode (01111110 Sync Flag) */
80 #define	EXTSYNC		0x30	/* External Sync Mode */
82 #define	X1CLK		0x0	/* x1 clock mode */
83 #define	X16CLK		0x40	/* x16 clock mode */
84 #define	X32CLK		0x80	/* x32 clock mode */
85 #define	X64CLK		0xC0	/* x64 clock mode */
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) */
119 #define	LOOPMODE 2	/* SDLC Loop mode */
123 #define	NRZ	0	/* NRZ mode */
124 #define	NRZI	0x20	/* NRZI mode */
129 /* Write Register 11 (Clock Mode control) */
155 #define	SEARCH	0x20	/* Enter search mode */
160 #define	SFMM	0xc0	/* Set FM mode */
161 #define	SNRZI	0xe0	/* Set NRZI mode */
173 #define	Rx_CH_AV	0x1	/* Rx Character Available */
184 /* Residue Data for 8 Rx bits/char programmed */
193 /* Special Rx Condition Interrupts */
195 #define	Rx_OVR		0x20	/* Rx Overrun Error */
199 /* Read Register 2 (channel b only) - Interrupt vector */
204 #define	CHBRxIP	0x4		/* Channel B Rx IP */
207 #define	CHARxIP	0x20		/* Channel A Rx IP */
229 #define TXDNRZI 0x08		/* TxD Pulled High in SDLC NRZI mode */
230 #define RXFIFOH 0x08		/* Z85230: Int on RX FIFO half full */
231 #define FASTDTR 0x10		/* Fast DTR/REQ Mode */