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[src/trunk]: src/sys/external/bsd/drm2/include/drm Move old DRM_READn definit...
details: https://anonhg.NetBSD.org/src/rev/ed743e63dae1
branches: trunk
changeset: 834761:ed743e63dae1
user: riastradh <riastradh%NetBSD.org@localhost>
date: Mon Aug 27 05:34:49 2018 +0000
description:
Move old DRM_READn definitions into new drm_iomap_netbsd.h
These got deleted from drmP.h.
diffstat:
sys/external/bsd/drm2/include/drm/drm_iomap_netbsd.h | 185 +++++++++++++++++++
sys/external/bsd/drm2/include/drm/drm_os_netbsd.h | 3 +-
2 files changed, 187 insertions(+), 1 deletions(-)
diffs (206 lines):
diff -r c3fb701fafea -r ed743e63dae1 sys/external/bsd/drm2/include/drm/drm_iomap_netbsd.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/external/bsd/drm2/include/drm/drm_iomap_netbsd.h Mon Aug 27 05:34:49 2018 +0000
@@ -0,0 +1,185 @@
+/* $NetBSD: drm_iomap_netbsd.h,v 1.1 2018/08/27 05:34:49 riastradh Exp $ */
+
+/*-
+ * Copyright (c) 2013 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Taylor R. Campbell.
+ *
+ * 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.
+ */
+
+#ifndef _DRM_DRM_IOMAP_NETBSD_H_
+#define _DRM_DRM_IOMAP_NETBSD_H_
+
+#include <sys/bus.h>
+#include <sys/endian.h>
+
+#include <drm/drm_legacy.h>
+
+static inline bool
+DRM_IS_BUS_SPACE(struct drm_local_map *map)
+{
+ switch (map->type) {
+ case _DRM_FRAME_BUFFER:
+ panic("I don't know how to access drm frame buffer memory!");
+
+ case _DRM_REGISTERS:
+ return true;
+
+ case _DRM_SHM:
+ panic("I don't know how to access drm shared memory!");
+
+ case _DRM_AGP:
+ panic("I don't know how to access drm agp memory!");
+
+ case _DRM_SCATTER_GATHER:
+ panic("I don't know how to access drm scatter-gather memory!");
+
+ case _DRM_CONSISTENT:
+ /*
+ * XXX Old drm uses bus space access for this, but
+ * consistent maps don't have bus space handles! They
+ * do, however, have kernel virtual addresses in the
+ * map->handle, so maybe that's right.
+ */
+#if 0
+ return false;
+#endif
+ panic("I don't know how to access drm consistent memory!");
+
+ default:
+ panic("I don't know what kind of memory you mean!");
+ }
+}
+
+static inline uint8_t
+DRM_READ8(struct drm_local_map *map, bus_size_t offset)
+{
+ if (DRM_IS_BUS_SPACE(map))
+ return bus_space_read_1(map->lm_data.bus_space.bst,
+ map->lm_data.bus_space.bsh, offset);
+ else
+ return *(volatile uint8_t *)((vaddr_t)map->handle + offset);
+}
+
+static inline uint16_t
+DRM_READ16(struct drm_local_map *map, bus_size_t offset)
+{
+ if (DRM_IS_BUS_SPACE(map))
+ return bus_space_read_2(map->lm_data.bus_space.bst,
+ map->lm_data.bus_space.bsh, offset);
+ else
+ return *(volatile uint16_t *)((vaddr_t)map->handle + offset);
+}
+
+static inline uint32_t
+DRM_READ32(struct drm_local_map *map, bus_size_t offset)
+{
+ if (DRM_IS_BUS_SPACE(map))
+ return bus_space_read_4(map->lm_data.bus_space.bst,
+ map->lm_data.bus_space.bsh, offset);
+ else
+ return *(volatile uint32_t *)((vaddr_t)map->handle + offset);
+}
+
+static inline uint64_t
+DRM_READ64(struct drm_local_map *map, bus_size_t offset)
+{
+ if (DRM_IS_BUS_SPACE(map)) {
+#if _LP64 /* XXX How to detect bus_space_read_8? */
+ return bus_space_read_8(map->lm_data.bus_space.bst,
+ map->lm_data.bus_space.bsh, offset);
+#elif _BYTE_ORDER == _LITTLE_ENDIAN
+ /* XXX Yes, this is sketchy. */
+ return bus_space_read_4(map->lm_data.bus_space.bst,
+ map->lm_data.bus_space.bsh, offset) |
+ ((uint64_t)bus_space_read_4(map->lm_data.bus_space.bst,
+ map->lm_data.bus_space.bsh, (offset + 4)) << 32);
+#else
+ /* XXX Yes, this is sketchy. */
+ return bus_space_read_4(map->lm_data.bus_space.bst,
+ map->lm_data.bus_space.bsh, (offset + 4)) |
+ ((uint64_t)bus_space_read_4(map->lm_data.bus_space.bst,
+ map->lm_data.bus_space.bsh, offset) << 32);
+#endif
+ } else {
+ return *(volatile uint64_t *)((vaddr_t)map->handle + offset);
+ }
+}
+
+static inline void
+DRM_WRITE8(struct drm_local_map *map, bus_size_t offset, uint8_t value)
+{
+ if (DRM_IS_BUS_SPACE(map))
+ bus_space_write_1(map->lm_data.bus_space.bst,
+ map->lm_data.bus_space.bsh, offset, value);
+ else
+ *(volatile uint8_t *)((vaddr_t)map->handle + offset) = value;
+}
+
+static inline void
+DRM_WRITE16(struct drm_local_map *map, bus_size_t offset, uint16_t value)
+{
+ if (DRM_IS_BUS_SPACE(map))
+ bus_space_write_2(map->lm_data.bus_space.bst,
+ map->lm_data.bus_space.bsh, offset, value);
+ else
+ *(volatile uint16_t *)((vaddr_t)map->handle + offset) = value;
+}
+
+static inline void
+DRM_WRITE32(struct drm_local_map *map, bus_size_t offset, uint32_t value)
+{
+ if (DRM_IS_BUS_SPACE(map))
+ bus_space_write_4(map->lm_data.bus_space.bst,
+ map->lm_data.bus_space.bsh, offset, value);
+ else
+ *(volatile uint32_t *)((vaddr_t)map->handle + offset) = value;
+}
+
+static inline void
+DRM_WRITE64(struct drm_local_map *map, bus_size_t offset, uint64_t value)
+{
+ if (DRM_IS_BUS_SPACE(map)) {
+#if _LP64 /* XXX How to detect bus_space_write_8? */
+ bus_space_write_8(map->lm_data.bus_space.bst,
+ map->lm_data.bus_space.bsh, offset, value);
+#elif _BYTE_ORDER == _LITTLE_ENDIAN
+ bus_space_write_4(map->lm_data.bus_space.bst,
+ map->lm_data.bus_space.bsh, offset, (value & 0xffffffffU));
+ bus_space_write_4(map->lm_data.bus_space.bst,
+ map->lm_data.bus_space.bsh, (offset + 4), (value >> 32));
+#else
+ bus_space_write_4(map->lm_data.bus_space.bst,
+ map->lm_data.bus_space.bsh, offset, (value >> 32));
+ bus_space_write_4(map->lm_data.bus_space.bst,
+ map->lm_data.bus_space.bsh, (offset + 4),
+ (value & 0xffffffffU));
+#endif
+ } else {
+ *(volatile uint64_t *)((vaddr_t)map->handle + offset) = value;
+ }
+}
+
+#endif /* _DRM_DRM_IOMAP_NETBSD_H_ */
diff -r c3fb701fafea -r ed743e63dae1 sys/external/bsd/drm2/include/drm/drm_os_netbsd.h
--- a/sys/external/bsd/drm2/include/drm/drm_os_netbsd.h Mon Aug 27 04:58:19 2018 +0000
+++ b/sys/external/bsd/drm2/include/drm/drm_os_netbsd.h Mon Aug 27 05:34:49 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: drm_os_netbsd.h,v 1.3 2014/07/26 18:13:44 riastradh Exp $ */
+/* $NetBSD: drm_os_netbsd.h,v 1.4 2018/08/27 05:34:49 riastradh Exp $ */
/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -47,6 +47,7 @@
#include <drm/drm_agp_netbsd.h>
#include <drm/drm_auth_netbsd.h>
#include <drm/drm_copy_netbsd.h>
+#include <drm/drm_iomap_netbsd.h>
#include <drm/drm_irq_netbsd.h>
#include <drm/drm_wait_netbsd.h>
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