diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/core/client.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/core/client.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/client.c b/drivers/gpu/drm/nouveau/nvkm/core/client.c new file mode 100644 index 000000000..ebdeb8eb9 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/core/client.c @@ -0,0 +1,187 @@ +/* + * Copyright 2012 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs + */ +#include <core/client.h> +#include <core/device.h> +#include <core/option.h> + +#include <nvif/class.h> +#include <nvif/event.h> +#include <nvif/if0000.h> +#include <nvif/unpack.h> + +static int +nvkm_uclient_new(const struct nvkm_oclass *oclass, void *argv, u32 argc, + struct nvkm_object **pobject) +{ + union { + struct nvif_client_v0 v0; + } *args = argv; + struct nvkm_client *client; + int ret = -ENOSYS; + + if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))){ + args->v0.name[sizeof(args->v0.name) - 1] = 0; + ret = nvkm_client_new(args->v0.name, args->v0.device, NULL, + NULL, oclass->client->event, &client); + if (ret) + return ret; + } else + return ret; + + client->object.client = oclass->client; + client->object.handle = oclass->handle; + client->object.route = oclass->route; + client->object.token = oclass->token; + client->object.object = oclass->object; + client->debug = oclass->client->debug; + *pobject = &client->object; + return 0; +} + +static const struct nvkm_sclass +nvkm_uclient_sclass = { + .oclass = NVIF_CLASS_CLIENT, + .minver = 0, + .maxver = 0, + .ctor = nvkm_uclient_new, +}; + +static const struct nvkm_object_func nvkm_client; +struct nvkm_client * +nvkm_client_search(struct nvkm_client *client, u64 handle) +{ + struct nvkm_object *object; + + object = nvkm_object_search(client, handle, &nvkm_client); + if (IS_ERR(object)) + return (void *)object; + + return nvkm_client(object); +} + +static int +nvkm_client_mthd_devlist(struct nvkm_client *client, void *data, u32 size) +{ + union { + struct nvif_client_devlist_v0 v0; + } *args = data; + int ret = -ENOSYS; + + nvif_ioctl(&client->object, "client devlist size %d\n", size); + if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) { + nvif_ioctl(&client->object, "client devlist vers %d count %d\n", + args->v0.version, args->v0.count); + if (size == sizeof(args->v0.device[0]) * args->v0.count) { + ret = nvkm_device_list(args->v0.device, args->v0.count); + if (ret >= 0) { + args->v0.count = ret; + ret = 0; + } + } else { + ret = -EINVAL; + } + } + + return ret; +} + +static int +nvkm_client_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size) +{ + struct nvkm_client *client = nvkm_client(object); + switch (mthd) { + case NVIF_CLIENT_V0_DEVLIST: + return nvkm_client_mthd_devlist(client, data, size); + default: + break; + } + return -EINVAL; +} + +static int +nvkm_client_child_new(const struct nvkm_oclass *oclass, + void *data, u32 size, struct nvkm_object **pobject) +{ + return oclass->base.ctor(oclass, data, size, pobject); +} + +static int +nvkm_client_child_get(struct nvkm_object *object, int index, + struct nvkm_oclass *oclass) +{ + const struct nvkm_sclass *sclass; + + switch (index) { + case 0: sclass = &nvkm_uclient_sclass; break; + case 1: sclass = &nvkm_udevice_sclass; break; + default: + return -EINVAL; + } + + oclass->ctor = nvkm_client_child_new; + oclass->base = *sclass; + return 0; +} + +static int +nvkm_client_fini(struct nvkm_object *object, bool suspend) +{ + return 0; +} + +static void * +nvkm_client_dtor(struct nvkm_object *object) +{ + return nvkm_client(object); +} + +static const struct nvkm_object_func +nvkm_client = { + .dtor = nvkm_client_dtor, + .fini = nvkm_client_fini, + .mthd = nvkm_client_mthd, + .sclass = nvkm_client_child_get, +}; + +int +nvkm_client_new(const char *name, u64 device, const char *cfg, const char *dbg, + int (*event)(u64, void *, u32), struct nvkm_client **pclient) +{ + struct nvkm_oclass oclass = { .base = nvkm_uclient_sclass }; + struct nvkm_client *client; + + if (!(client = *pclient = kzalloc(sizeof(*client), GFP_KERNEL))) + return -ENOMEM; + oclass.client = client; + + nvkm_object_ctor(&nvkm_client, &oclass, &client->object); + snprintf(client->name, sizeof(client->name), "%s", name); + client->device = device; + client->debug = nvkm_dbgopt(dbg, "CLIENT"); + client->objroot = RB_ROOT; + client->event = event; + INIT_LIST_HEAD(&client->umem); + spin_lock_init(&client->lock); + return 0; +} |