Sun Feb 27 14:22:21 2022 UTC ()
drm: Move acpi_check_dsm &c. from intel_acpi.c to new linux_acpi.c.


(riastradh)
diff -r1.6 -r1.7 src/sys/external/bsd/drm2/dist/drm/i915/display/intel_acpi.c
diff -r1.6 -r1.7 src/sys/external/bsd/drm2/include/linux/acpi.h
diff -r1.40 -r1.41 src/sys/external/bsd/drm2/linux/files.drmkms_linux
diff -r0 -r1.1 src/sys/external/bsd/drm2/linux/linux_acpi.c

cvs diff -r1.6 -r1.7 src/sys/external/bsd/drm2/dist/drm/i915/display/intel_acpi.c (expand / switch to context diff)
--- src/sys/external/bsd/drm2/dist/drm/i915/display/intel_acpi.c 2022/02/27 14:20:30 1.6
+++ src/sys/external/bsd/drm2/dist/drm/i915/display/intel_acpi.c 2022/02/27 14:22:21 1.7
@@ -1,4 +1,4 @@
-/*	$NetBSD: intel_acpi.c,v 1.6 2022/02/27 14:20:30 riastradh Exp $	*/
+/*	$NetBSD: intel_acpi.c,v 1.7 2022/02/27 14:22:21 riastradh Exp $	*/
 
 // SPDX-License-Identifier: GPL-2.0
 /*
@@ -8,7 +8,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: intel_acpi.c,v 1.6 2022/02/27 14:20:30 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: intel_acpi.c,v 1.7 2022/02/27 14:22:21 riastradh Exp $");
 
 #include <linux/pci.h>
 #include <linux/acpi.h>
@@ -32,91 +32,6 @@
 #define	package		Package
 #define	pointer		Pointer
 #define	value		Value
-
-static ACPI_OBJECT *
-acpi_evaluate_dsm(ACPI_HANDLE handle, const guid_t *uuid, int rev, int func,
-    ACPI_OBJECT *argv4)
-{
-	ACPI_OBJECT_LIST arg;
-	ACPI_OBJECT params[4];
-	ACPI_BUFFER buf;
-	ACPI_STATUS rv;
-
-	if (handle == NULL)
-		handle = ACPI_ROOT_OBJECT;
-
-	arg.Count = 4;
-	arg.Pointer = params;
-	params[0].Type = ACPI_TYPE_BUFFER;
-	params[0].Buffer.Length = 16;
-	params[0].Buffer.Pointer = (char *)__UNCONST(uuid);
-	params[1].Type = ACPI_TYPE_INTEGER;
-	params[1].Integer.Value = rev;
-	params[2].Type = ACPI_TYPE_INTEGER;
-	params[2].Integer.Value = func;
-	if (argv4 != NULL) {
-		params[3] = *argv4;
-	} else {
-		params[3].Type = ACPI_TYPE_PACKAGE;
-		params[3].Package.Count = 0;
-		params[3].Package.Elements = NULL;
-	}
-
-	buf.Pointer = NULL;
-	buf.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
-
-	rv = AcpiEvaluateObject(handle, "_DSM", &arg, &buf);
-	if (ACPI_SUCCESS(rv))
-		return (ACPI_OBJECT *)buf.Pointer;
-	return NULL;
-}
-
-static inline ACPI_OBJECT *
-acpi_evaluate_dsm_typed(ACPI_HANDLE handle, const guid_t *uuid, int rev,
-    int func, ACPI_OBJECT *argv4, ACPI_OBJECT_TYPE type)
-{
-	ACPI_OBJECT *obj;
-
-	obj = acpi_evaluate_dsm(handle, uuid, rev, func, argv4);
-	if (obj != NULL && obj->Type != type) {
-		ACPI_FREE(obj);
-		obj = NULL;
-	}
-	return obj;
-}
-
-#define	ACPI_INIT_DSM_ARGV4(cnt, eles)		\
-{						\
-	.Package.Type = ACPI_TYPE_PACKAGE,	\
-	.Package.Count = (cnt),			\
-	.Package.Elements = (eles)		\
-}
-
-static bool
-acpi_check_dsm(ACPI_HANDLE handle, const guid_t *uuid, int rev, uint64_t funcs)
-{
-	ACPI_OBJECT *obj;
-	uint64_t mask = 0;
-	int i;
-
-	if (funcs == 0)
-		return false;
-
-	obj = acpi_evaluate_dsm(handle, uuid, rev, 0, NULL);
-	if (obj == NULL)
-		return false;
-
-	if (obj->Type == ACPI_TYPE_INTEGER)
-		mask = obj->Integer.Value;
-	else if (obj->Type == ACPI_TYPE_BUFFER)
-		for (i = 0; i < obj->Buffer.Length && i < 8; i++)
-			mask |= (uint64_t)obj->Buffer.Pointer[i] << (i * 8);
-	ACPI_FREE(obj);
-
-	if ((mask & 0x1) == 0x1 && (mask & funcs) == funcs)
-		return true;
-	return false;
-}
 #endif
 
 #define INTEL_DSM_REVISION_ID 1 /* For Calpella anyway... */

cvs diff -r1.6 -r1.7 src/sys/external/bsd/drm2/include/linux/acpi.h (expand / switch to context diff)
--- src/sys/external/bsd/drm2/include/linux/acpi.h 2021/12/19 11:38:04 1.6
+++ src/sys/external/bsd/drm2/include/linux/acpi.h 2022/02/27 14:22:21 1.7
@@ -1,4 +1,4 @@
-/*	$NetBSD: acpi.h,v 1.6 2021/12/19 11:38:04 riastradh Exp $	*/
+/*	$NetBSD: acpi.h,v 1.7 2022/02/27 14:22:21 riastradh Exp $	*/
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -44,6 +44,21 @@
 #include <dev/acpi/acpivar.h>
 #endif
 
+#include <linux/types.h>
 #include <linux/uuid.h>
+
+typedef ACPI_HANDLE acpi_handle;
+typedef ACPI_OBJECT_TYPE acpi_object_type;
+typedef ACPI_STATUS acpi_status;
+
+#define	acpi_evaluate_dsm	linux_acpi_evaluate_dsm
+#define	acpi_evaluate_dsm_typed	linux_acpi_evaluate_dsm_typed
+#define	acpi_check_dsm		linux_acpi_check_dsm
+
+union acpi_object *acpi_evaluate_dsm(acpi_handle, const guid_t *,
+    uint64_t, uint64_t, union acpi_object *);
+union acpi_object *acpi_evaluate_dsm_typed(acpi_handle, const guid_t *,
+    uint64_t, uint64_t, union acpi_object *, acpi_object_type);
+bool acpi_check_dsm(acpi_handle, const guid_t *, uint64_t, uint64_t);
 
 #endif  /* _LINUX_ACPI_H_ */

cvs diff -r1.40 -r1.41 src/sys/external/bsd/drm2/linux/files.drmkms_linux (expand / switch to context diff)
--- src/sys/external/bsd/drm2/linux/files.drmkms_linux 2021/12/19 12:28:04 1.40
+++ src/sys/external/bsd/drm2/linux/files.drmkms_linux 2022/02/27 14:22:21 1.41
@@ -1,10 +1,11 @@
-#       $NetBSD: files.drmkms_linux,v 1.40 2021/12/19 12:28:04 riastradh Exp $
+#       $NetBSD: files.drmkms_linux,v 1.41 2022/02/27 14:22:21 riastradh Exp $
 
 define	drmkms_linux: i2cexec, i2c_bitbang
 
 makeoptions 	drmkms_linux	"CPPFLAGS.drmkms_linux"+="-I$S/external/bsd/common/include"
 makeoptions 	drmkms_linux	"CPPFLAGS.drmkms_linux"+="-I$S/external/bsd/drm2/include"
 
+file	external/bsd/drm2/linux/linux_acpi.c		drmkms_linux
 file	external/bsd/drm2/linux/linux_atomic64.c	drmkms_linux
 file	external/bsd/drm2/linux/linux_backlight.c	drmkms_linux
 file	external/bsd/drm2/linux/linux_dma_buf.c		drmkms_linux

File Added: src/sys/external/bsd/drm2/linux/linux_acpi.c
/*	$NetBSD: linux_acpi.c,v 1.1 2022/02/27 14:22:21 riastradh Exp $	*/

/*-
 * Copyright (c) 2022 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
 */

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: linux_acpi.c,v 1.1 2022/02/27 14:22:21 riastradh Exp $");

#include <linux/acpi.h>

union acpi_object *
acpi_evaluate_dsm(acpi_handle handle, const guid_t *uuid, u64 rev, u64 func,
    union acpi_object *argv4)
{
	ACPI_OBJECT_LIST arg;
	ACPI_OBJECT params[4];
	ACPI_BUFFER buf;
	ACPI_STATUS rv;

	if (handle == NULL)
		handle = ACPI_ROOT_OBJECT;

	arg.Count = 4;
	arg.Pointer = params;
	params[0].Type = ACPI_TYPE_BUFFER;
	params[0].Buffer.Length = 16;
	params[0].Buffer.Pointer = (char *)__UNCONST(uuid);
	params[1].Type = ACPI_TYPE_INTEGER;
	params[1].Integer.Value = rev;
	params[2].Type = ACPI_TYPE_INTEGER;
	params[2].Integer.Value = func;
	if (argv4 != NULL) {
		params[3] = *argv4;
	} else {
		params[3].Type = ACPI_TYPE_PACKAGE;
		params[3].Package.Count = 0;
		params[3].Package.Elements = NULL;
	}

	buf.Pointer = NULL;
	buf.Length = ACPI_ALLOCATE_LOCAL_BUFFER;

	rv = AcpiEvaluateObject(handle, "_DSM", &arg, &buf);
	if (ACPI_SUCCESS(rv))
		return (ACPI_OBJECT *)buf.Pointer;
	return NULL;
}

union acpi_object *
acpi_evaluate_dsm_typed(acpi_handle handle, const guid_t *uuid, u64 rev,
    u64 func, union acpi_object *argv4, acpi_object_type type)
{
	union acpi_object *obj;

	obj = acpi_evaluate_dsm(handle, uuid, rev, func, argv4);
	if (obj != NULL && obj->Type != type) {
		ACPI_FREE(obj);
		obj = NULL;
	}
	return obj;
}

#define	ACPI_INIT_DSM_ARGV4(cnt, eles)		\
{						\
	.Package.Type = ACPI_TYPE_PACKAGE,	\
	.Package.Count = (cnt),			\
	.Package.Elements = (eles)		\
}

bool
acpi_check_dsm(acpi_handle handle, const guid_t *uuid, u64 rev, u64 funcs)
{
	ACPI_OBJECT *obj;
	uint64_t mask = 0;
	int i;

	if (funcs == 0)
		return false;

	obj = acpi_evaluate_dsm(handle, uuid, rev, 0, NULL);
	if (obj == NULL)
		return false;

	if (obj->Type == ACPI_TYPE_INTEGER)
		mask = obj->Integer.Value;
	else if (obj->Type == ACPI_TYPE_BUFFER)
		for (i = 0; i < obj->Buffer.Length && i < 8; i++)
			mask |= (uint64_t)obj->Buffer.Pointer[i] << (i * 8);
	ACPI_FREE(obj);

	if ((mask & 0x1) == 0x1 && (mask & funcs) == funcs)
		return true;
	return false;
}