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authorTheo de Raadt <deraadt@cvs.openbsd.org>1998-05-20 19:29:24 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>1998-05-20 19:29:24 +0000
commit8a5605dfa8bd4a2a688dcbcb23aa39ddd44b6e34 (patch)
treef0c323102b9810d5165c7860482098b1af2de7b9 /sys/arch/sparc/dev/magmareg.h
parente41fd09bed15d859e78608f801a2e9f765cb2647 (diff)
magma serial driver; plunky@skate.demon.co.uk
Diffstat (limited to 'sys/arch/sparc/dev/magmareg.h')
-rw-r--r--sys/arch/sparc/dev/magmareg.h217
1 files changed, 217 insertions, 0 deletions
diff --git a/sys/arch/sparc/dev/magmareg.h b/sys/arch/sparc/dev/magmareg.h
new file mode 100644
index 00000000000..97857dd5a7a
--- /dev/null
+++ b/sys/arch/sparc/dev/magmareg.h
@@ -0,0 +1,217 @@
+/* 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 {
+ __volatile u_char *cd_reg; /* chip registers */
+ 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];
+ __volatile u_char *ms_svcackr; /* CD1400 service acknowledge receive */
+ __volatile u_char *ms_svcackt; /* CD1400 service acknowledge transmit */
+ __volatile u_char *ms_svcackm; /* 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_TXBUF_SIZE (CD1400_PAR_FIFO_SIZE * 10)
+
+struct mbpp_port {
+ struct cd1400 *mp_cd1400; /* for LC2+1Sp card */
+ struct cd1190 *mp_cd1190; /* all the others */
+
+ int mp_flags;
+
+ int mp_read_strobe; /* strobe width in ns */
+ int mp_read_timeout; /* timeout after this many seconds */
+
+ int mp_write_strobe; /* strobe width in ns */
+ int mp_write_timeout; /* timeout after this many seconds */
+
+ u_char *mp_txbuf; /* transmit buffer */
+ u_char *mp_txp; /* transmit pointer */
+ int mp_txc; /* transmit counter */
+};
+
+#define MBPPF_OPEN (1<<0)
+#define MBPPF_DONE (1<<1)
+
+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))
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+
+/* 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 *));
+int 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 *));