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/* $OpenBSD: drm_linux.h,v 1.93 2019/04/14 10:14:51 jsg Exp $ */
/*
* Copyright (c) 2013, 2014, 2015 Mark Kettenis
* Copyright (c) 2017 Martin Pieuchot
*
* 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 _DRM_LINUX_H_
#define _DRM_LINUX_H_
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/stdint.h>
#include <sys/systm.h>
#include <dev/pci/pcivar.h>
#include <linux/kconfig.h>
/* The Linux code doesn't meet our usual standards! */
#ifdef __clang__
#pragma clang diagnostic ignored "-Wenum-conversion"
#pragma clang diagnostic ignored "-Winitializer-overrides"
#pragma clang diagnostic ignored "-Wtautological-compare"
#pragma clang diagnostic ignored "-Wunneeded-internal-declaration"
#pragma clang diagnostic ignored "-Wunused-const-variable"
#pragma clang diagnostic ignored "-Wincompatible-pointer-types-discards-qualifiers"
#pragma clang diagnostic ignored "-Wunused-function"
#pragma clang diagnostic ignored "-Wunused-variable"
#pragma clang diagnostic ignored "-Wparentheses-equality"
#pragma clang diagnostic ignored "-Wmissing-braces"
#else
#pragma GCC diagnostic ignored "-Wformat-zero-length"
#endif
#define STUB() do { printf("%s: stub\n", __func__); } while(0)
#define KBUILD_MODNAME "drm"
#define KHZ2PICOS(a) (1000000000UL/(a))
#ifndef PCI_MEM_START
#define PCI_MEM_START 0
#endif
#ifndef PCI_MEM_END
#define PCI_MEM_END 0xffffffff
#endif
#ifndef PCI_MEM64_END
#define PCI_MEM64_END 0xffffffffffffffff
#endif
#define roundup2(x, y) (((x)+((y)-1))&(~((y)-1))) /* if y is powers of two */
#ifdef __macppc__
static inline int
of_machine_is_compatible(const char *model)
{
extern char *hw_prod;
return (strcmp(model, hw_prod) == 0);
}
#endif
#define POISON_INUSE 0xdb
#if defined(__amd64__) || defined(__i386__)
#define X86_FEATURE_CLFLUSH 1
#define X86_FEATURE_XMM4_1 2
#define X86_FEATURE_PAT 3
#define X86_FEATURE_HYPERVISOR 4
static inline bool
static_cpu_has(uint16_t f)
{
switch (f) {
case X86_FEATURE_CLFLUSH:
return curcpu()->ci_cflushsz != 0;
case X86_FEATURE_XMM4_1:
return (cpu_ecxfeature & CPUIDECX_SSE41) != 0;
case X86_FEATURE_PAT:
return (curcpu()->ci_feature_flags & CPUID_PAT) != 0;
case X86_FEATURE_HYPERVISOR:
return (cpu_ecxfeature & CPUIDECX_HV) != 0;
default:
return false;
}
}
#define boot_cpu_has(x) static_cpu_has(x)
#endif
#endif
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