1/*-
2 * Copyright (C) Paul Mackerras 2005
3 * Copyright (C) Alan Hourihane 2005
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20 * THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
21 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
23 * IN THE SOFTWARE.
24 *
25 * Authors:
26 *    Paul Mackerras <paulus@samba.org>
27 *    Alan Hourihane <alanh@fairlite.demon.co.uk>
28 */
29
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD$");
32
33#include "opt_compat.h"
34
35#ifdef COMPAT_FREEBSD32
36
37/** @file i915_ioc32.c
38 * 32-bit ioctl compatibility routines for the i915 DRM.
39 */
40
41#include <dev/drm2/drmP.h>
42#include <dev/drm2/drm.h>
43#include <dev/drm2/i915/i915_drm.h>
44#include <dev/drm2/i915/i915_drv.h>
45#include <dev/drm2/i915/intel_drv.h>
46
47typedef struct _drm_i915_batchbuffer32 {
48	int start;		/* agp offset */
49	int used;		/* nr bytes in use */
50	int DR1;		/* hw flags for GFX_OP_DRAWRECT_INFO */
51	int DR4;		/* window origin for GFX_OP_DRAWRECT_INFO */
52	int num_cliprects;	/* mulitpass with multiple cliprects? */
53	u32 cliprects;		/* pointer to userspace cliprects */
54} drm_i915_batchbuffer32_t;
55
56static int compat_i915_batchbuffer(struct drm_device *dev, void *data, struct drm_file *file_priv)
57{
58	drm_i915_batchbuffer32_t *batchbuffer32 = data;
59	drm_i915_batchbuffer_t batchbuffer;
60
61	batchbuffer.start = batchbuffer32->start;
62	batchbuffer.used = batchbuffer32->used;
63	batchbuffer.DR1 = batchbuffer32->DR1;
64	batchbuffer.DR4 = batchbuffer32->DR4;
65	batchbuffer.num_cliprects = batchbuffer32->num_cliprects;
66	batchbuffer.cliprects = (void *)(unsigned long)batchbuffer32->cliprects;
67
68	return i915_batchbuffer(dev, (void *)&batchbuffer, file_priv);
69}
70
71typedef struct _drm_i915_cmdbuffer32 {
72	u32 buf;		/* pointer to userspace command buffer */
73	int sz;			/* nr bytes in buf */
74	int DR1;		/* hw flags for GFX_OP_DRAWRECT_INFO */
75	int DR4;		/* window origin for GFX_OP_DRAWRECT_INFO */
76	int num_cliprects;	/* mulitpass with multiple cliprects? */
77	u32 cliprects;		/* pointer to userspace cliprects */
78} drm_i915_cmdbuffer32_t;
79
80static int compat_i915_cmdbuffer(struct drm_device *dev, void *data, struct drm_file *file_priv)
81{
82	drm_i915_cmdbuffer32_t *cmdbuffer32 = data;
83	drm_i915_cmdbuffer_t cmdbuffer;
84
85	cmdbuffer.sz = cmdbuffer32->sz;
86	cmdbuffer.DR1 = cmdbuffer32->DR1;
87	cmdbuffer.DR4 = cmdbuffer32->DR4;
88	cmdbuffer.num_cliprects = cmdbuffer32->num_cliprects;
89	cmdbuffer.cliprects = (void *)(unsigned long)cmdbuffer32->cliprects;
90
91	return i915_cmdbuffer(dev, (void *)&cmdbuffer, file_priv);
92}
93
94typedef struct drm_i915_irq_emit32 {
95	u32 irq_seq;
96} drm_i915_irq_emit32_t;
97
98static int compat_i915_irq_emit(struct drm_device *dev, void *data, struct drm_file *file_priv)
99{
100	drm_i915_irq_emit32_t *req32 = data;
101	drm_i915_irq_emit_t request;
102
103	request.irq_seq = (int *)(unsigned long)req32->irq_seq;
104
105	return i915_irq_emit(dev, (void *)&request, file_priv);
106}
107typedef struct drm_i915_getparam32 {
108	int param;
109	u32 value;
110} drm_i915_getparam32_t;
111
112static int compat_i915_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv)
113{
114	drm_i915_getparam32_t *req32 = data;
115	drm_i915_getparam_t request;
116
117	request.param = req32->param;
118	request.value = (void *)(unsigned long)req32->value;
119
120	return i915_getparam(dev, (void *)&request, file_priv);
121}
122
123typedef struct drm_i915_mem_alloc32 {
124	int region;
125	int alignment;
126	int size;
127	u32 region_offset;	/* offset from start of fb or agp */
128} drm_i915_mem_alloc32_t;
129
130drm_ioctl_desc_t i915_compat_ioctls[] = {
131	DRM_IOCTL_DEF(DRM_I915_BATCHBUFFER, compat_i915_batchbuffer, DRM_AUTH),
132	DRM_IOCTL_DEF(DRM_I915_CMDBUFFER, compat_i915_cmdbuffer, DRM_AUTH),
133	DRM_IOCTL_DEF(DRM_I915_GETPARAM, compat_i915_getparam, DRM_AUTH),
134	DRM_IOCTL_DEF(DRM_I915_IRQ_EMIT, compat_i915_irq_emit, DRM_AUTH)
135};
136int i915_compat_ioctls_nr = DRM_ARRAY_SIZE(i915_compat_ioctls);
137
138#endif
139