Add Maxim/Dallas DS2490 USB 1-Wire adapter driver.

1 files changed, 108 insertions, 0 deletions

diff --git a/sys/dev/usb/uowreg.h b/sys/dev/usb/uowreg.h
new file mode 100644
index 00000000000..57327d0efdd
--- /dev/null
+++ b/sys/dev/usb/uowreg.h
@@ -0,0 +1,108 @@
+/*	$OpenBSD: uowreg.h,v 1.1 2006/09/27 08:54:44 grange Exp $	*/
+
+/*
+ * Copyright (c) 2006 Alexander Yurchenko <grange@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _DEV_USB_UOWREG_H_
+#define _DEV_USB_UOWREG_H_
+
+/*
+ * Maxim/Dallas DS2490 USB 1-Wire adapter register definitions.
+ */
+
+/* USB core interface */
+#define DS2490_USB_CONFIG	1	/* configuration */
+#define DS2490_USB_IFACE	0	/* interface */
+
+/* Command type codes */
+#define DS2490_CONTROL_CMD	0x00	/* control */
+#define DS2490_COMM_CMD		0x01	/* communication */
+#define DS2490_MODE_CMD		0x02	/* mode */
+
+/* Control command codes */
+#define DS2490_CTL_RESET_DEVICE		0x0000
+#define DS2490_CTL_START_EXE		0x0001
+#define DS2490_CTL_RESUME_EXE		0x0002
+#define DS2490_CTL_HALT_EXE_IDLE	0x0003
+#define DS2490_CTL_HALT_EXE_DONE	0x0004
+#define DS2490_CTL_FLUSH_COMM_CMDS	0x0007
+#define DS2490_CTL_FLUSH_RCV_BUFFER	0x0008
+#define DS2490_CTL_FLUSH_XMT_BUFFER	0x0009
+#define DS2490_CTL_GET_COMM_CMDS	0x000a
+
+/* Communication command codes */
+#define DS2490_COMM_SET_DURATION	0x0012
+#define DS2490_COMM_PULSE		0x0030
+#define DS2490_COMM_1WIRE_RESET		0x0042
+#define DS2490_COMM_BIT_IO		0x0020
+
+/* Communication command embedded command parameter bits */
+#define DS2490_BIT_IM			(1 << 0)
+#define DS2490_BIT_D			(1 << 3)
+#define DS2490_BIT_SE			(1 << 3)
+#define DS2490_BIT_TYPE			(1 << 3)
+#define DS2490_BIT_ICP			(1 << 9)
+#define DS2490_BIT_NTF			(1 << 10)
+#define DS2490_BIT_F			(1 << 11)
+#define DS2490_BIT_SPU			(1 << 12)
+#define DS2490_BIT_CIB			(1 << 14)
+#define DS2490_BIT_PST			(1 << 14)
+
+/* Mode command codes */
+#define DS2490_MOD_PULSE_EN		0x0000
+#define DS2490_MOD_SPEED_CHANGE_EN	0x0001
+#define DS2490_MOD_1WIRE_SPEED		0x0002
+#define DS2490_MOD_STRONG_PU_DURATION	0x0003
+#define DS2490_MOD_PULLDOWN_SLEWRATE	0x0004
+#define DS2490_MOD_PROG_PULSE_DURATION	0x0005
+#define DS2490_MOD_WRITE1_LOWTIME	0x0006
+#define DS2490_MOD_DSOW0_TREC		0x0007
+
+/* State registers */
+#define DS2490_ST_BEGIN		0x00
+#define DS2490_ST_ENFL		0x00	/* enabled flags */
+#define DS2490_ST_ENFL_SPUE		(1 << 0)	/* strong pullup */
+#define DS2490_ST_ENFL_PRGE		(1 << 1)	/* programming pulse */
+#define DS2490_ST_ENFL_SPCE		(1 << 2)	/* speed change */
+#define DS2490_ST_SPEED		0x01	/* bus speed */
+#define DS2490_ST_SPUDUR	0x02	/* strong pullup duration */
+#define DS2490_ST_PRGDUR	0x03	/* programming pullup duration */
+#define DS2490_ST_PDSRC		0x04	/* pulldown slew rate control */
+#define DS2490_ST_W1LT		0x05	/* write-1 low time */
+#define DS2490_ST_DSO		0x06	/* data sample offset */
+#define DS2490_ST_STFL		0x08	/* status flags */
+#define DS2490_ST_STFL_SPUA		(1 << 0)	/* strong pullup */
+#define DS2490_ST_STFL_PRGA		(1 << 1)	/* programming pulse */
+#define DS2490_ST_STFL_12VP		(1 << 2)	/* 12V prog voltage */
+#define DS2490_ST_STFL_PMOD		(1 << 3)	/* ext power */
+#define DS2490_ST_STFL_HALT		(1 << 4)	/* halted */
+#define DS2490_ST_STFL_IDLE		(1 << 5)	/* idle */
+#define DS2490_ST_STFL_EP0F		(1 << 7)	/* EP0 FIFO status */
+#define DS2490_ST_CC1		0x09	/* communication command byte 1 */
+#define DS2490_ST_CC2		0x0a	/* communication command byte 2 */
+#define DS2490_ST_CCBUF		0x0b	/* communication command buf status */
+#define DS2490_ST_OBUF		0x0c	/* data out buf status */
+#define DS2490_ST_IBUF		0x0d	/* data in buf status */
+#define DS2490_ST_END		0x0f
+
+/* Result registers */
+#define DS2490_RES_BEGIN	0x10
+#define DS2490_RES_END		0x1f
+#define DS2490_RES_DETECT	0xa5	/* device detect */
+
+#define DS2490_NREGS		(DS2490_RES_END + 1)
+
+#endif	/* !_DEV_USB_UOWREG_H_ */