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      1 /* $NetBSD: gtmr_var.h,v 1.16 2022/11/19 12:12:25 skrll Exp $ */
      2 /*-
      3  * Copyright (c) 2013 The NetBSD Foundation, Inc.
      4  * All rights reserved.
      5  *
      6  * This code is derived from software contributed to The NetBSD Foundation
      7  * by Matt Thomas of 3am Software Foundry.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     28  * POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef _ARM_CORTEX_GTMR_VAR_
     32 #define _ARM_CORTEX_GTMR_VAR_
     33 
     34 #include <sys/percpu.h>
     35 
     36 struct gtmr_softc {
     37 	device_t sc_dev;
     38 	struct evcnt sc_ev_missing_ticks;
     39 	uint32_t sc_freq;
     40 	uint32_t sc_flags;
     41 #define	GTMR_FLAG_SUN50I_A64_UNSTABLE_TIMER		__BIT(0)
     42 #define	GTMR_FLAG_CPU_REGISTERS_NOT_FW_CONFIGURED	__BIT(1)
     43 	u_long sc_autoinc;
     44 	bool sc_physical;
     45 	void *sc_global_ih;
     46 #ifdef DIAGNOSTIC
     47 	percpu_t *sc_percpu;
     48 #endif
     49 };
     50 
     51 #ifdef _KERNEL
     52 #include "opt_arm_timer.h"
     53 struct cpu_info;
     54 int	gtmr_intr(void *);
     55 void	gtmr_init_cpu_clock(struct cpu_info *);
     56 void	gtmr_delay(unsigned int n);
     57 #ifdef __HAVE_GENERIC_CPU_INITCLOCKS
     58 void	gtmr_cpu_initclocks(void);
     59 #else
     60 #define gtmr_cpu_initclocks	cpu_initclocks
     61 #endif
     62 #endif
     63 
     64 #endif /* _ARM_CORTEX_GTMR_VAR_ */
     65