Port of Iain Hibbert's magma driver to sparc64

1 files changed, 236 insertions, 0 deletions

diff --git a/sys/dev/sbus/magmareg.h b/sys/dev/sbus/magmareg.h
new file mode 100644
index 00000000000..e4228dd930a
--- /dev/null
+++ b/sys/dev/sbus/magmareg.h
@@ -0,0 +1,236 @@
+/*	$OpenBSD: magmareg.h,v 1.1 2002/01/12 20:19:40 jason Exp $	*/
+
+/* magmareg.h
+ *
+ *  Copyright (c) 1998 Iain Hibbert
+ *  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by Iain Hibbert
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifdef MAGMA_DEBUG
+#define dprintf(x) printf x
+#else
+#define dprintf(x)
+#endif
+
+/*  The mapping of minor device number -> card and port is done as
+ * follows by default:
+ *
+ *  +---+---+---+---+---+---+---+---+
+ *  | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
+ *  +---+---+---+---+---+---+---+---+
+ *    |   |   |   |   |   |   |   |
+ *    |   |   |   |   +---+---+---+---> port number
+ *    |   |   |   |
+ *    |   |   |   +-------------------> dialout (on tty ports)
+ *    |   |   |
+ *    |   |   +-----------------------> unused
+ *    |   |
+ *    +---+---------------------------> card number
+ *
+ */
+
+#define MAGMA_MAX_CARDS		4
+#define MAGMA_MAX_TTY		16
+#define MAGMA_MAX_BPP		2
+#define MAGMA_MAX_CD1400	4
+#define MAGMA_MAX_CD1190	2
+
+#define MAGMA_CARD(x)	((minor(x) >> 6) & 0x03)
+#define MAGMA_PORT(x)	(minor(x) & 0x0f)
+
+#define MTTY_DIALOUT(x) (minor(x) & 0x10)
+
+/*
+ * Supported Card Types
+ */
+struct magma_board_info {
+	char *mb_name;			/* cardname to match against */
+	char *mb_realname;		/* english card name */
+	int mb_nser;			/* number of serial ports */
+	int mb_npar;			/* number of parallel ports */
+	int mb_ncd1400;			/* number of CD1400 chips */
+	int mb_svcackr;			/* svcackr offset */
+	int mb_svcackt;			/* svcackt offset */
+	int mb_svcackm;			/* svcackm offset */
+	int mb_cd1400[MAGMA_MAX_CD1400];/* cd1400 chip register offsets */
+	int mb_ncd1190;			/* number of CD1190 chips */
+	int mb_cd1190[MAGMA_MAX_CD1190];/* cd1190 chip register offsets */
+};
+
+/*
+ * cd1400 chip data
+ */
+struct cd1400 {
+	bus_space_handle_t cd_regh;	/* chip register handle */
+	bus_space_tag_t cd_regt;	/* chip register tag */
+	int cd_chiprev;			/* chip revision */
+	int cd_clock;			/* clock speed in Mhz */
+	int cd_parmode;			/* parallel mode operation */
+};
+
+/*
+ * cd1190 chip data
+ */
+struct cd1190 {
+	__volatile u_char *cd_reg;	/* chip registers */
+	int cd_chiprev;			/* chip revision */
+};
+
+/* software state for each card */
+struct magma_softc {
+	struct device ms_dev;		/* required. must be first in softc */
+
+	/* cd1400 chip info */
+	int ms_ncd1400;
+	struct cd1400 ms_cd1400[MAGMA_MAX_CD1400];
+	void *sc_ih;			/* interrupt vector */
+	void *sc_sih;			/* softintr vector */
+	bus_space_tag_t sc_bustag;
+	bus_space_handle_t sc_iohandle;	/* whole card registers */
+	bus_space_handle_t sc_svcackrh;	/* CD1400 service acknowledge receive */
+	bus_space_handle_t sc_svcackth;	/* CD1400 service acknowledge transmit */
+	bus_space_handle_t sc_svcackmh;	/* CD1400 service acknowledge modem */
+
+	/* cd1190 chip info */
+	int ms_ncd1190;
+	struct cd1190 ms_cd1190[MAGMA_MAX_CD1190];
+
+	struct magma_board_info *ms_board;	/* what am I? */
+
+	struct mtty_softc *ms_mtty;
+	struct mbpp_softc *ms_mbpp;
+
+	struct intrhand ms_hardint;	/* hard interrupt handler */
+	struct intrhand ms_softint;	/* soft interrupt handler */
+};
+
+#define MTTY_RBUF_SIZE		(2 * 512)
+#define MTTY_RX_FIFO_THRESHOLD	6
+#define MTTY_RX_DTR_THRESHOLD	9
+
+struct mtty_port {
+	struct cd1400 *mp_cd1400;	/* ptr to chip */
+	int mp_channel;			/* and channel */
+	struct tty *mp_tty;
+
+	int mp_openflags;	/* default tty flags */
+	int mp_flags;		/* port flags */
+	int mp_carrier;		/* state of carrier */
+
+	u_char *mp_rbuf;	/* ring buffer start */
+	u_char *mp_rend;	/* ring buffer end */
+	u_char *mp_rget;	/* ring buffer read pointer */
+	u_char *mp_rput;	/* ring buffer write pointer */
+
+	u_char *mp_txp;		/* transmit character pointer */
+	int mp_txc;		/* transmit character counter */
+};
+
+#define MTTYF_CARRIER_CHANGED	(1<<0)
+#define MTTYF_SET_BREAK		(1<<1)
+#define MTTYF_CLR_BREAK		(1<<2)
+#define MTTYF_DONE		(1<<3)
+#define MTTYF_STOP		(1<<4)
+#define MTTYF_RING_OVERFLOW	(1<<5)
+
+struct mtty_softc {
+	struct device ms_dev;		/* device info */
+	int ms_nports;			/* tty ports */
+	struct mtty_port ms_port[MAGMA_MAX_TTY];
+};
+
+#define MBPP_RX_FIFO_THRESHOLD	25
+
+struct mbpp_port {
+	struct cd1400 *mp_cd1400;	/* for LC2+1Sp card */
+	struct cd1190 *mp_cd1190;	/* all the others   */
+
+	int mp_flags;
+
+	struct bpp_param mp_param;
+#define mp_burst mp_param.bp_burst
+#define mp_timeout mp_param.bp_timeout
+#define mp_delay mp_param.bp_delay
+
+	u_char *mp_ptr;			/* pointer to io data */
+	int mp_cnt;			/* count of io chars */
+
+	struct timeout mp_timeout_tmo;	/* for mbpp_timeout() */
+	struct timeout mp_start_tmo;	/* for mbpp_start() */
+};
+
+#define MBPPF_OPEN	(1<<0)
+#define MBPPF_TIMEOUT	(1<<1)
+#define MBPPF_UIO	(1<<2)
+#define MBPPF_DELAY	(1<<3)
+#define MBPPF_WAKEUP	(1<<4)
+
+struct mbpp_softc {
+	struct device ms_dev;		/* device info */
+	int ms_nports;			/* parallel ports */
+	struct mbpp_port ms_port[MAGMA_MAX_BPP];
+};
+
+/*
+ * useful macros
+ */
+#define SET(t, f)	((t) |= (f))
+#define CLR(t, f)	((t) &= ~(f))
+#define ISSET(t, f)	((t) & (f))
+
+/* internal function prototypes */
+
+int cd1400_compute_baud __P((speed_t, int, int *, int *));
+__inline void cd1400_write_ccr __P((struct cd1400 *, u_char));
+__inline u_char cd1400_read_reg __P((struct cd1400 *, int));
+__inline void cd1400_write_reg __P((struct cd1400 *, int, u_char));
+void cd1400_enable_transmitter __P((struct cd1400 *, int));
+
+int magma_match __P((struct device *, void *, void *));
+void magma_attach __P((struct device *, struct device *, void *));
+int magma_hard __P((void *));
+void magma_soft __P((void *));
+
+int mtty_match __P((struct device *, void *, void *));
+void mtty_attach __P((struct device *, struct device *, void *));
+int mtty_modem_control __P((struct mtty_port *, int, int));
+int mtty_param __P((struct tty *, struct termios *));
+void mtty_start __P((struct tty *));
+
+int mbpp_match __P((struct device *, void *, void *));
+void mbpp_attach __P((struct device *, struct device *, void *));
+int mbpp_rw __P((dev_t, struct uio *));
+void mbpp_timeout __P((void *));
+void mbpp_start __P((void *));
+int mbpp_send __P((struct mbpp_port *, caddr_t, int));
+int mbpp_recv __P((struct mbpp_port *, caddr_t, int));
+int mbpp_hztoms __P((int));
+int mbpp_mstohz __P((int));
+
+#define	CD1400_REGMAPSIZE	0x80