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1/*
2 * Copyright 2014 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Ben Skeggs <bskeggs@redhat.com>
23 */
24
25/*******************************************************************************
26 * NVIF client driver - NVKM directly linked
27 ******************************************************************************/
28
29#include <core/client.h>
30#include <core/notify.h>
31#include <core/ioctl.h>
32
33#include <nvif/client.h>
34#include <nvif/driver.h>
35#include <nvif/notify.h>
36#include <nvif/event.h>
37#include <nvif/ioctl.h>
38
39#include "nouveau_drm.h"
40#include "nouveau_usif.h"
41
42static void
43nvkm_client_unmap(void *priv, void __iomem *ptr, u32 size)
44{
45 iounmap(ptr);
46}
47
48static void __iomem *
49nvkm_client_map(void *priv, u64 handle, u32 size)
50{
51 return ioremap(handle, size);
52}
53
54static int
55nvkm_client_ioctl(void *priv, bool super, void *data, u32 size, void **hack)
56{
57 return nvkm_ioctl(priv, super, data, size, hack);
58}
59
60static int
61nvkm_client_resume(void *priv)
62{
63 return nvkm_client_init(priv);
64}
65
66static int
67nvkm_client_suspend(void *priv)
68{
69 return nvkm_client_fini(priv, true);
70}
71
72static void
73nvkm_client_driver_fini(void *priv)
74{
75 struct nvkm_client *client = priv;
76 nvkm_client_del(&client);
77}
78
79static int
80nvkm_client_ntfy(const void *header, u32 length, const void *data, u32 size)
81{
82 const union {
83 struct nvif_notify_req_v0 v0;
84 } *args = header;
85 u8 route;
86
87 if (length == sizeof(args->v0) && args->v0.version == 0) {
88 route = args->v0.route;
89 } else {
90 WARN_ON(1);
91 return NVKM_NOTIFY_DROP;
92 }
93
94 switch (route) {
95 case NVDRM_NOTIFY_NVIF:
96 return nvif_notify(header, length, data, size);
97 case NVDRM_NOTIFY_USIF:
98 return usif_notify(header, length, data, size);
99 default:
100 WARN_ON(1);
101 break;
102 }
103
104 return NVKM_NOTIFY_DROP;
105}
106
107static int
108nvkm_client_driver_init(const char *name, u64 device, const char *cfg,
109 const char *dbg, void **ppriv)
110{
111 struct nvkm_client *client;
112 int ret;
113
114 ret = nvkm_client_new(name, device, cfg, dbg, &client);
115 *ppriv = client;
116 if (ret)
117 return ret;
118
119 client->ntfy = nvkm_client_ntfy;
120 return 0;
121}
122
123const struct nvif_driver
124nvif_driver_nvkm = {
125 .name = "nvkm",
126 .init = nvkm_client_driver_init,
127 .fini = nvkm_client_driver_fini,
128 .suspend = nvkm_client_suspend,
129 .resume = nvkm_client_resume,
130 .ioctl = nvkm_client_ioctl,
131 .map = nvkm_client_map,
132 .unmap = nvkm_client_unmap,
133 .keep = false,
134};
1/*
2 * Copyright 2014 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Ben Skeggs <bskeggs@redhat.com>
23 */
24
25/*******************************************************************************
26 * NVIF client driver - NVKM directly linked
27 ******************************************************************************/
28
29#include <core/client.h>
30#include <core/ioctl.h>
31
32#include <nvif/client.h>
33#include <nvif/driver.h>
34#include <nvif/event.h>
35#include <nvif/ioctl.h>
36
37#include "nouveau_drv.h"
38
39static void
40nvkm_client_unmap(void *priv, void __iomem *ptr, u32 size)
41{
42 iounmap(ptr);
43}
44
45static void __iomem *
46nvkm_client_map(void *priv, u64 handle, u32 size)
47{
48 return ioremap(handle, size);
49}
50
51static int
52nvkm_client_ioctl(void *priv, void *data, u32 size, void **hack)
53{
54 return nvkm_ioctl(priv, data, size, hack);
55}
56
57static int
58nvkm_client_resume(void *priv)
59{
60 struct nvkm_client *client = priv;
61 return nvkm_object_init(&client->object);
62}
63
64static int
65nvkm_client_suspend(void *priv)
66{
67 struct nvkm_client *client = priv;
68 return nvkm_object_fini(&client->object, true);
69}
70
71static int
72nvkm_client_event(u64 token, void *repv, u32 repc)
73{
74 struct nvif_object *object = (void *)(unsigned long)token;
75 struct nvif_event *event = container_of(object, typeof(*event), object);
76
77 if (event->func(event, repv, repc) == NVIF_EVENT_KEEP)
78 return NVKM_EVENT_KEEP;
79
80 return NVKM_EVENT_DROP;
81}
82
83static int
84nvkm_client_driver_init(const char *name, u64 device, const char *cfg,
85 const char *dbg, void **ppriv)
86{
87 return nvkm_client_new(name, device, cfg, dbg, nvkm_client_event,
88 (struct nvkm_client **)ppriv);
89}
90
91const struct nvif_driver
92nvif_driver_nvkm = {
93 .name = "nvkm",
94 .init = nvkm_client_driver_init,
95 .suspend = nvkm_client_suspend,
96 .resume = nvkm_client_resume,
97 .ioctl = nvkm_client_ioctl,
98 .map = nvkm_client_map,
99 .unmap = nvkm_client_unmap,
100};