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[src/trunk]: src/sys/arch/arc split pccons driver into "pccons" and "opms",
details: https://anonhg.NetBSD.org/src/rev/4ef6d1001616
branches: trunk
changeset: 511131:4ef6d1001616
user: soda <soda%NetBSD.org@localhost>
date: Wed Jun 13 15:05:43 2001 +0000
description:
split pccons driver into "pccons" and "opms",
also split into bus-dependent frontend and bus-independent backend.
diffstat:
sys/arch/arc/dev/opms.c | 416 ++++++++++++++++++
sys/arch/arc/dev/opmsvar.h | 66 ++
sys/arch/arc/dev/pccons.c | 783 ++++++----------------------------
sys/arch/arc/dev/pcconsvar.h | 113 +++++
sys/arch/arc/include/pccons.h | 6 +-
sys/arch/arc/isa/opms_isa.c | 105 ++++
sys/arch/arc/isa/pccons_isa.c | 122 +++++
sys/arch/arc/isa/pccons_isavar.h | 33 +
sys/arch/arc/jazz/opms_jazzio.c | 80 +++
sys/arch/arc/jazz/pccons_jazzio.c | 166 +++++++
sys/arch/arc/jazz/pccons_jazziovar.h | 33 +
11 files changed, 1277 insertions(+), 646 deletions(-)
diffs (truncated from 2251 to 300 lines):
diff -r b87906002216 -r 4ef6d1001616 sys/arch/arc/dev/opms.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/arc/dev/opms.c Wed Jun 13 15:05:43 2001 +0000
@@ -0,0 +1,416 @@
+/* $NetBSD: opms.c,v 1.1 2001/06/13 15:05:43 soda Exp $ */
+/* $OpenBSD: pccons.c,v 1.22 1999/01/30 22:39:37 imp Exp $ */
+/* NetBSD: pms.c,v 1.21 1995/04/18 02:25:18 mycroft Exp */
+
+/*-
+ * Copyright (c) 1993, 1994, 1995 Charles M. Hannum. All rights reserved.
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz and Don Ahn.
+ *
+ * Copyright (c) 1994 Charles M. Hannum.
+ * Copyright (c) 1992, 1993 Erik Forsberg.
+ *
+ * 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 the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
+ *
+ * @(#)pccons.c 5.11 (Berkeley) 5/21/91
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/vnode.h>
+#include <sys/poll.h>
+#include <sys/tty.h>
+#include <sys/device.h>
+
+#include <machine/bus.h>
+#include <machine/kbdreg.h>
+#include <machine/mouse.h>
+
+#include <arc/dev/pcconsvar.h>
+#include <arc/dev/opmsvar.h>
+
+#define PMSUNIT(dev) (minor(dev))
+
+/* status bits */
+#define PMS_OBUF_FULL 0x01
+#define PMS_IBUF_FULL 0x02
+
+/* controller commands */
+#define PMS_INT_ENABLE 0x47 /* enable controller interrupts */
+#define PMS_INT_DISABLE 0x65 /* disable controller interrupts */
+#define PMS_AUX_ENABLE 0xa7 /* enable auxiliary port */
+#define PMS_AUX_DISABLE 0xa8 /* disable auxiliary port */
+#define PMS_MAGIC_1 0xa9 /* XXX */
+
+#define PMS_8042_CMD 0x65
+
+/* mouse commands */
+#define PMS_SET_SCALE11 0xe6 /* set scaling 1:1 */
+#define PMS_SET_SCALE21 0xe7 /* set scaling 2:1 */
+#define PMS_SET_RES 0xe8 /* set resolution */
+#define PMS_GET_SCALE 0xe9 /* get scaling factor */
+#define PMS_SET_STREAM 0xea /* set streaming mode */
+#define PMS_SET_SAMPLE 0xf3 /* set sampling rate */
+#define PMS_DEV_ENABLE 0xf4 /* mouse on */
+#define PMS_DEV_DISABLE 0xf5 /* mouse off */
+#define PMS_RESET 0xff /* reset */
+
+#define PMS_CHUNK 128 /* chunk size for read */
+#define PMS_BSIZE 1020 /* buffer size */
+
+#define FLUSHQ(q) { if((q)->c_cc) ndflush(q, (q)->c_cc); }
+
+extern struct cfdriver opms_cd;
+
+int opmsopen __P((dev_t, int));
+int opmsclose __P((dev_t, int));
+int opmsread __P((dev_t, struct uio *, int));
+int opmsioctl __P((dev_t, u_long, caddr_t, int));
+int opmsselect __P((dev_t, int, struct proc *));
+int opmspoll __P((dev_t, int, struct proc *));
+static __inline void pms_dev_cmd __P((u_char));
+static __inline void pms_aux_cmd __P((u_char));
+static __inline void pms_pit_cmd __P((u_char));
+
+static __inline void
+pms_dev_cmd(value)
+ u_char value;
+{
+ kbd_flush_input();
+ kbd_cmd_write_1(0xd4);
+ kbd_flush_input();
+ kbd_data_write_1(value);
+}
+
+static __inline void
+pms_aux_cmd(value)
+ u_char value;
+{
+ kbd_flush_input();
+ kbd_cmd_write_1(value);
+}
+
+static __inline void
+pms_pit_cmd(value)
+ u_char value;
+{
+ kbd_flush_input();
+ kbd_cmd_write_1(0x60);
+ kbd_flush_input();
+ kbd_data_write_1(value);
+}
+
+int opms_common_match(kbd_iot, config)
+ bus_space_tag_t kbd_iot;
+ struct pccons_config *config;
+{
+ u_char x;
+
+ kbd_context_init(kbd_iot, config);
+
+ pms_dev_cmd(KBC_RESET);
+ pms_aux_cmd(PMS_MAGIC_1);
+ delay(10000);
+ x = kbd_data_read_1();
+ pms_pit_cmd(PMS_INT_DISABLE);
+ if (x & 0x04)
+ return 0;
+
+ return 1;
+}
+
+void
+opms_common_attach(sc, opms_iot, config)
+ struct opms_softc *sc;
+ bus_space_tag_t opms_iot;
+ struct pccons_config *config;
+{
+ kbd_context_init(opms_iot, config);
+
+ /* Other initialization was done by opmsprobe. */
+ sc->sc_state = 0;
+}
+
+int
+opmsopen(dev, flag)
+ dev_t dev;
+ int flag;
+{
+ int unit = PMSUNIT(dev);
+ struct opms_softc *sc;
+
+ if (unit >= opms_cd.cd_ndevs)
+ return ENXIO;
+ sc = opms_cd.cd_devs[unit];
+ if (!sc)
+ return ENXIO;
+
+ if (sc->sc_state & PMS_OPEN)
+ return EBUSY;
+
+ if (clalloc(&sc->sc_q, PMS_BSIZE, 0) == -1)
+ return ENOMEM;
+
+ sc->sc_state |= PMS_OPEN;
+ sc->sc_status = 0;
+ sc->sc_x = sc->sc_y = 0;
+
+ /* Enable interrupts. */
+ pms_dev_cmd(PMS_DEV_ENABLE);
+ pms_aux_cmd(PMS_AUX_ENABLE);
+ pms_dev_cmd(PMS_SET_RES);
+ pms_dev_cmd(3); /* 8 counts/mm */
+ pms_dev_cmd(PMS_SET_SCALE21);
+#if 0
+ pms_dev_cmd(PMS_SET_SAMPLE);
+ pms_dev_cmd(100); /* 100 samples/sec */
+ pms_dev_cmd(PMS_SET_STREAM);
+#endif
+ pms_pit_cmd(PMS_INT_ENABLE);
+
+ return 0;
+}
+
+int
+opmsclose(dev, flag)
+ dev_t dev;
+ int flag;
+{
+ struct opms_softc *sc = opms_cd.cd_devs[PMSUNIT(dev)];
+
+ /* Disable interrupts. */
+ pms_dev_cmd(PMS_DEV_DISABLE);
+ pms_pit_cmd(PMS_INT_DISABLE);
+ pms_aux_cmd(PMS_AUX_DISABLE);
+
+ sc->sc_state &= ~PMS_OPEN;
+
+ clfree(&sc->sc_q);
+
+ return 0;
+}
+
+int
+opmsread(dev, uio, flag)
+ dev_t dev;
+ struct uio *uio;
+ int flag;
+{
+ struct opms_softc *sc = opms_cd.cd_devs[PMSUNIT(dev)];
+ int s;
+ int error = 0;
+ size_t length;
+ u_char buffer[PMS_CHUNK];
+
+ /* Block until mouse activity occured. */
+
+ s = spltty();
+ while (sc->sc_q.c_cc == 0) {
+ if (flag & IO_NDELAY) {
+ splx(s);
+ return EWOULDBLOCK;
+ }
+ sc->sc_state |= PMS_ASLP;
+ error = tsleep((caddr_t)sc, PZERO | PCATCH, "pmsrea", 0);
+ if (error) {
+ sc->sc_state &= ~PMS_ASLP;
+ splx(s);
+ return error;
+ }
+ }
+ splx(s);
+
+ /* Transfer as many chunks as possible. */
+
+ while (sc->sc_q.c_cc > 0 && uio->uio_resid > 0) {
+ length = min(sc->sc_q.c_cc, uio->uio_resid);
+ if (length > sizeof(buffer))
+ length = sizeof(buffer);
+
+ /* Remove a small chunk from the input queue. */
+ (void) q_to_b(&sc->sc_q, buffer, length);
+
+ /* Copy the data to the user process. */
+ error = uiomove(buffer, length, uio);
+ if (error)
+ break;
+ }
+
+ return error;
+}
+
+int
+opmsioctl(dev, cmd, addr, flag)
+ dev_t dev;
+ u_long cmd;
+ caddr_t addr;
+ int flag;
+{
+ struct opms_softc *sc = opms_cd.cd_devs[PMSUNIT(dev)];
+ struct mouseinfo info;
+ int s;
+ int error;
+
+ switch (cmd) {
+ case MOUSEIOCREAD:
+ s = spltty();
+
+ info.status = sc->sc_status;
+ if (sc->sc_x || sc->sc_y)
+ info.status |= MOVEMENT;
+
+ if (sc->sc_x > 127)
+ info.xmotion = 127;
+ else if (sc->sc_x < -127)
+ /* Bounding at -127 avoids a bug in XFree86. */
+ info.xmotion = -127;
+ else
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