[deliverable/linux.git] / drivers / gpu / drm / nouveau / nvkm / core / oproxy.c

/*
 * Copyright 2015 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 <bskeggs@redhat.com>
 */
#include <core/oproxy.h>

static int
nvkm_oproxy_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
{
	return nvkm_object_mthd(nvkm_oproxy(object)->object, mthd, data, size);
}

static int
nvkm_oproxy_ntfy(struct nvkm_object *object, u32 mthd,
		 struct nvkm_event **pevent)
{
	return nvkm_object_ntfy(nvkm_oproxy(object)->object, mthd, pevent);
}

static int
nvkm_oproxy_map(struct nvkm_object *object, u64 *addr, u32 *size)
{
	return nvkm_object_map(nvkm_oproxy(object)->object, addr, size);
}

static int
nvkm_oproxy_rd08(struct nvkm_object *object, u64 addr, u8 *data)
{
	return nvkm_object_rd08(nvkm_oproxy(object)->object, addr, data);
}

static int
nvkm_oproxy_rd16(struct nvkm_object *object, u64 addr, u16 *data)
{
	return nvkm_object_rd16(nvkm_oproxy(object)->object, addr, data);
}

static int
nvkm_oproxy_rd32(struct nvkm_object *object, u64 addr, u32 *data)
{
	return nvkm_object_rd32(nvkm_oproxy(object)->object, addr, data);
}

static int
nvkm_oproxy_wr08(struct nvkm_object *object, u64 addr, u8 data)
{
	return nvkm_object_wr08(nvkm_oproxy(object)->object, addr, data);
}

static int
nvkm_oproxy_wr16(struct nvkm_object *object, u64 addr, u16 data)
{
	return nvkm_object_wr16(nvkm_oproxy(object)->object, addr, data);
}

static int
nvkm_oproxy_wr32(struct nvkm_object *object, u64 addr, u32 data)
{
	return nvkm_object_wr32(nvkm_oproxy(object)->object, addr, data);
}

static int
nvkm_oproxy_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent,
		 int align, struct nvkm_gpuobj **pgpuobj)
{
	return nvkm_object_bind(nvkm_oproxy(object)->object,
				parent, align, pgpuobj);
}

static int
nvkm_oproxy_sclass(struct nvkm_object *object, int index,
		   struct nvkm_oclass *oclass)
{
	struct nvkm_oproxy *oproxy = nvkm_oproxy(object);
	oclass->parent = oproxy->object;
	if (!oproxy->object->func->sclass)
		return -ENODEV;
	return oproxy->object->func->sclass(oproxy->object, index, oclass);
}

static int
nvkm_oproxy_fini(struct nvkm_object *object, bool suspend)
{
	struct nvkm_oproxy *oproxy = nvkm_oproxy(object);
	int ret;

	if (oproxy->func->fini[0]) {
		ret = oproxy->func->fini[0](oproxy, suspend);
		if (ret && suspend)
			return ret;
	}

	if (oproxy->object->func->fini) {
		ret = oproxy->object->func->fini(oproxy->object, suspend);
		if (ret && suspend)
			return ret;
	}

	if (oproxy->func->fini[1]) {
		ret = oproxy->func->fini[1](oproxy, suspend);
		if (ret && suspend)
			return ret;
	}

	return 0;
}

static int
nvkm_oproxy_init(struct nvkm_object *object)
{
	struct nvkm_oproxy *oproxy = nvkm_oproxy(object);
	int ret;

	if (oproxy->func->init[0]) {
		ret = oproxy->func->init[0](oproxy);
		if (ret)
			return ret;
	}

	if (oproxy->object->func->init) {
		ret = oproxy->object->func->init(oproxy->object);
		if (ret)
			return ret;
	}

	if (oproxy->func->init[1]) {
		ret = oproxy->func->init[1](oproxy);
		if (ret)
			return ret;
	}

	return 0;
}

static void *
nvkm_oproxy_dtor(struct nvkm_object *object)
{
	struct nvkm_oproxy *oproxy = nvkm_oproxy(object);
	if (oproxy->func->dtor[0])
		oproxy->func->dtor[0](oproxy);
	nvkm_object_del(&oproxy->object);
	if (oproxy->func->dtor[1])
		oproxy->func->dtor[1](oproxy);
	return oproxy;
}

static const struct nvkm_object_func
nvkm_oproxy_func = {
	.dtor = nvkm_oproxy_dtor,
	.init = nvkm_oproxy_init,
	.fini = nvkm_oproxy_fini,
	.mthd = nvkm_oproxy_mthd,
	.ntfy = nvkm_oproxy_ntfy,
	.map = nvkm_oproxy_map,
	.rd08 = nvkm_oproxy_rd08,
	.rd16 = nvkm_oproxy_rd16,
	.rd32 = nvkm_oproxy_rd32,
	.wr08 = nvkm_oproxy_wr08,
	.wr16 = nvkm_oproxy_wr16,
	.wr32 = nvkm_oproxy_wr32,
	.bind = nvkm_oproxy_bind,
	.sclass = nvkm_oproxy_sclass,
};

void
nvkm_oproxy_ctor(const struct nvkm_oproxy_func *func,
		 const struct nvkm_oclass *oclass, struct nvkm_oproxy *oproxy)
{
	nvkm_object_ctor(&nvkm_oproxy_func, oclass, &oproxy->base);
	oproxy->func = func;
}

int
nvkm_oproxy_new_(const struct nvkm_oproxy_func *func,
		 const struct nvkm_oclass *oclass, struct nvkm_oproxy **poproxy)
{
	if (!(*poproxy = kzalloc(sizeof(**poproxy), GFP_KERNEL)))
		return -ENOMEM;
	nvkm_oproxy_ctor(func, oclass, *poproxy);
	return 0;
}
Commit	Line	Data
0ce41e3c BS	1	/*
	2	* Copyright 2015 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	#include <core/oproxy.h>
	25
	26	static int
	27	nvkm_oproxy_mthd(struct nvkm_object object, u32 mthd, void data, u32 size)
	28	{
	29	return nvkm_object_mthd(nvkm_oproxy(object)->object, mthd, data, size);
	30	}
	31
	32	static int
	33	nvkm_oproxy_ntfy(struct nvkm_object *object, u32 mthd,
	34	struct nvkm_event **pevent)
	35	{
	36	return nvkm_object_ntfy(nvkm_oproxy(object)->object, mthd, pevent);
	37	}
	38
	39	static int
	40	nvkm_oproxy_map(struct nvkm_object object, u64 addr, u32 *size)
	41	{
	42	return nvkm_object_map(nvkm_oproxy(object)->object, addr, size);
	43	}
	44
	45	static int
	46	nvkm_oproxy_rd08(struct nvkm_object object, u64 addr, u8 data)
	47	{
	48	return nvkm_object_rd08(nvkm_oproxy(object)->object, addr, data);
	49	}
	50
	51	static int
	52	nvkm_oproxy_rd16(struct nvkm_object object, u64 addr, u16 data)
	53	{
	54	return nvkm_object_rd16(nvkm_oproxy(object)->object, addr, data);
	55	}
	56
	57	static int
	58	nvkm_oproxy_rd32(struct nvkm_object object, u64 addr, u32 data)
	59	{
	60	return nvkm_object_rd32(nvkm_oproxy(object)->object, addr, data);
	61	}
	62
	63	static int
	64	nvkm_oproxy_wr08(struct nvkm_object *object, u64 addr, u8 data)
65	{
66	return nvkm_object_wr08(nvkm_oproxy(object)->object, addr, data);
67	}
68
69	static int
70	nvkm_oproxy_wr16(struct nvkm_object *object, u64 addr, u16 data)
71	{
72	return nvkm_object_wr16(nvkm_oproxy(object)->object, addr, data);
73	}
74
75	static int
76	nvkm_oproxy_wr32(struct nvkm_object *object, u64 addr, u32 data)
77	{
78	return nvkm_object_wr32(nvkm_oproxy(object)->object, addr, data);
79	}
80
81	static int
82	nvkm_oproxy_bind(struct nvkm_object object, struct nvkm_gpuobj parent,
83	int align, struct nvkm_gpuobj **pgpuobj)
84	{
85	return nvkm_object_bind(nvkm_oproxy(object)->object,
86	parent, align, pgpuobj);
87	}
88
89	static int
90	nvkm_oproxy_sclass(struct nvkm_object *object, int index,
91	struct nvkm_oclass *oclass)
92	{
93	struct nvkm_oproxy *oproxy = nvkm_oproxy(object);
94	oclass->parent = oproxy->object;
0ce41e3c BS	95	if (!oproxy->object->func->sclass)
	96	return -ENODEV;
	97	return oproxy->object->func->sclass(oproxy->object, index, oclass);
	98	}
	99
	100	static int
	101	nvkm_oproxy_fini(struct nvkm_object *object, bool suspend)
	102	{
	103	struct nvkm_oproxy *oproxy = nvkm_oproxy(object);
	104	int ret;
	105
	106	if (oproxy->func->fini[0]) {
	107	ret = oproxy->func->fini[0](oproxy, suspend);
	108	if (ret && suspend)
	109	return ret;
	110	}
	111
fbd58ebd BS	112	if (oproxy->object->func->fini) {
	113	ret = oproxy->object->func->fini(oproxy->object, suspend);
	114	if (ret && suspend)
	115	return ret;
	116	}
0ce41e3c BS	117
	118	if (oproxy->func->fini[1]) {
	119	ret = oproxy->func->fini[1](oproxy, suspend);
	120	if (ret && suspend)
	121	return ret;
	122	}
	123
	124	return 0;
	125	}
	126
	127	static int
	128	nvkm_oproxy_init(struct nvkm_object *object)
	129	{
	130	struct nvkm_oproxy *oproxy = nvkm_oproxy(object);
	131	int ret;
	132
	133	if (oproxy->func->init[0]) {
	134	ret = oproxy->func->init[0](oproxy);
	135	if (ret)
	136	return ret;
	137	}
	138
fbd58ebd BS	139	if (oproxy->object->func->init) {
	140	ret = oproxy->object->func->init(oproxy->object);
	141	if (ret)
	142	return ret;
	143	}
0ce41e3c BS	144
	145	if (oproxy->func->init[1]) {
	146	ret = oproxy->func->init[1](oproxy);
	147	if (ret)
	148	return ret;
	149	}
	150
	151	return 0;
	152	}
	153
	154	static void *
	155	nvkm_oproxy_dtor(struct nvkm_object *object)
	156	{
	157	struct nvkm_oproxy *oproxy = nvkm_oproxy(object);
	158	if (oproxy->func->dtor[0])
	159	oproxy->func->dtor[0](oproxy);
fbd58ebd	160	nvkm_object_del(&oproxy->object);
0ce41e3c BS	161	if (oproxy->func->dtor[1])
	162	oproxy->func->dtor[1](oproxy);
	163	return oproxy;
	164	}
	165
	166	static const struct nvkm_object_func
	167	nvkm_oproxy_func = {
	168	.dtor = nvkm_oproxy_dtor,
	169	.init = nvkm_oproxy_init,
	170	.fini = nvkm_oproxy_fini,
	171	.mthd = nvkm_oproxy_mthd,
	172	.ntfy = nvkm_oproxy_ntfy,
	173	.map = nvkm_oproxy_map,
	174	.rd08 = nvkm_oproxy_rd08,
	175	.rd16 = nvkm_oproxy_rd16,
	176	.rd32 = nvkm_oproxy_rd32,
	177	.wr08 = nvkm_oproxy_wr08,
	178	.wr16 = nvkm_oproxy_wr16,
	179	.wr32 = nvkm_oproxy_wr32,
	180	.bind = nvkm_oproxy_bind,
	181	.sclass = nvkm_oproxy_sclass,
	182	};
	183
	184	void
	185	nvkm_oproxy_ctor(const struct nvkm_oproxy_func *func,
	186	const struct nvkm_oclass oclass, struct nvkm_oproxy oproxy)
	187	{
	188	nvkm_object_ctor(&nvkm_oproxy_func, oclass, &oproxy->base);
	189	oproxy->func = func;
	190	}
	191
	192	int
	193	nvkm_oproxy_new_(const struct nvkm_oproxy_func *func,
	194	const struct nvkm_oclass oclass, struct nvkm_oproxy *poproxy)
	195	{
	196	if (!(poproxy = kzalloc(sizeof(*poproxy), GFP_KERNEL)))
	197	return -ENOMEM;
	198	nvkm_oproxy_ctor(func, oclass, *poproxy);
	199	return 0;
	200	}