xref: /freebsd/sys/arm/ti/am335x/am335x_dmtreg.h (revision a0ee8cc6)
1 /*-
2  * Copyright (c) 2012 Damjan Marion <dmarion@Freebsd.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #ifndef AM335X_DMTREG_H
30 #define AM335X_DMTREG_H
31 
32 #define	AM335X_NUM_TIMERS	8
33 
34 #define	DMT_TIDR		0x00		/* Identification Register */
35 #define	DMT_TIOCP_CFG		0x10		/* OCP Configuration Reg */
36 #define	  DMT_TIOCP_RESET	  (1 << 0)	/* TIOCP perform soft reset */
37 #define	DMT_IQR_EOI		0x20		/* IRQ End-Of-Interrupt Reg */
38 #define	DMT_IRQSTATUS_RAW	0x24		/* IRQSTATUS Raw Reg */
39 #define	DMT_IRQSTATUS		0x28		/* IRQSTATUS Reg */
40 #define	DMT_IRQENABLE_SET	0x2c		/* IRQSTATUS Set Reg */
41 #define	DMT_IRQENABLE_CLR	0x30		/* IRQSTATUS Clear Reg */
42 #define	DMT_IRQWAKEEN		0x34		/* IRQ Wakeup Enable Reg */
43 #define	  DMT_IRQ_MAT		  (1 << 0)	/* IRQ: Match */
44 #define	  DMT_IRQ_OVF		  (1 << 1)	/* IRQ: Overflow */
45 #define	  DMT_IRQ_TCAR		  (1 << 2)	/* IRQ: Capture */
46 #define	  DMT_IRQ_MASK		  (DMT_IRQ_TCAR | DMT_IRQ_OVF | DMT_IRQ_MAT)
47 #define	DMT_TCLR		0x38		/* Control Register */
48 #define	  DMT_TCLR_START	  (1 << 0)	/* Start timer */
49 #define	  DMT_TCLR_AUTOLOAD	  (1 << 1)	/* Auto-reload on overflow */
50 #define	  DMT_TCLR_PRES_MASK	  (7 << 2)	/* Prescaler mask */
51 #define	  DMT_TCLR_PRES_ENABLE	  (1 << 5)	/* Prescaler enable */
52 #define	  DMT_TCLR_COMP_ENABLE	  (1 << 6)	/* Compare enable */
53 #define	  DMT_TCLR_PWM_HIGH	  (1 << 7)	/* PWM default output high */
54 #define	  DMT_TCLR_CAPTRAN_MASK	  (3 << 8)	/* Capture transition mask */
55 #define	  DMT_TCLR_CAPTRAN_NONE	  (0 << 8)	/* Capture: none */
56 #define	  DMT_TCLR_CAPTRAN_LOHI	  (1 << 8)	/* Capture lo->hi transition */
57 #define	  DMT_TCLR_CAPTRAN_HILO	  (2 << 8)	/* Capture hi->lo transition */
58 #define	  DMT_TCLR_CAPTRAN_BOTH	  (3 << 8)	/* Capture both transitions */
59 #define	  DMT_TCLR_TRGMODE_MASK	  (3 << 10)	/* Trigger output mode mask */
60 #define	  DMT_TCLR_TRGMODE_NONE	  (0 << 10)	/* Trigger off */
61 #define	  DMT_TCLR_TRGMODE_OVFL	  (1 << 10)	/* Trigger on overflow */
62 #define	  DMT_TCLR_TRGMODE_BOTH	  (2 << 10)	/* Trigger on match + ovflow */
63 #define	  DMT_TCLR_PWM_PTOGGLE	  (1 << 12)	/* PWM toggles */
64 #define	  DMT_TCLR_CAP_MODE_2ND	  (1 << 13)	/* Capture second event mode */
65 #define	  DMT_TCLR_GPO_CFG	  (1 << 14)	/* (no descr in datasheet) */
66 #define	DMT_TCRR		0x3C		/* Counter Register */
67 #define	DMT_TLDR		0x40		/* Load Reg */
68 #define	DMT_TTGR		0x44		/* Trigger Reg */
69 #define	DMT_TWPS		0x48		/* Write Posted Status Reg */
70 #define	DMT_TMAR		0x4C		/* Match Reg */
71 #define	DMT_TCAR1		0x50		/* Capture Reg */
72 #define	DMT_TSICR		0x54		/* Synchr. Interface Ctrl Reg */
73 #define	  DMT_TSICR_RESET	  (1 << 1)	/* TSICR perform soft reset */
74 #define	DMT_TCAR2		0x48		/* Capture Reg */
75 
76 #endif /* AM335X_DMTREG_H */
77