[deliverable/linux.git] / drivers / gpu / drm / nouveau / core / subdev / fb / ramnv4e.c

/*
 * Copyright 2013 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 "priv.h"

static int
nv4e_ram_create(struct nouveau_object *parent, struct nouveau_object *engine,
		struct nouveau_oclass *oclass, void *data, u32 size,
		struct nouveau_object **pobject)
{
	struct nouveau_fb *pfb = nouveau_fb(parent);
	struct nouveau_ram *ram;
	int ret;

	ret = nouveau_ram_create(parent, engine, oclass, &ram);
	*pobject = nv_object(ram);
	if (ret)
		return ret;

	ram->size = nv_rd32(pfb, 0x10020c) & 0xff000000;
	ram->type = NV_MEM_TYPE_STOLEN;
	return 0;
}

struct nouveau_oclass
nv4e_ram_oclass = {
	.handle = 0,
	.ofuncs = &(struct nouveau_ofuncs) {
		.ctor = nv4e_ram_create,
		.dtor = _nouveau_ram_dtor,
		.init = _nouveau_ram_init,
		.fini = _nouveau_ram_fini,
	}
};
Commit	Line	Data
dceef5d8 BS	1	/*
	2	* Copyright 2013 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
	23	*/
	24
	25	#include "priv.h"
	26
	27	static int
	28	nv4e_ram_create(struct nouveau_object parent, struct nouveau_object engine,
	29	struct nouveau_oclass oclass, void data, u32 size,
	30	struct nouveau_object **pobject)
	31	{
	32	struct nouveau_fb *pfb = nouveau_fb(parent);
	33	struct nouveau_ram *ram;
	34	int ret;
	35
	36	ret = nouveau_ram_create(parent, engine, oclass, &ram);
	37	*pobject = nv_object(ram);
	38	if (ret)
	39	return ret;
	40
6284bf41 IM	41	ram->size = nv_rd32(pfb, 0x10020c) & 0xff000000;
6284bf41 IM	42	ram->type = NV_MEM_TYPE_STOLEN;
dceef5d8 BS	43	return 0;
	44	}
	45
	46	struct nouveau_oclass
	47	nv4e_ram_oclass = {
	48	.handle = 0,
	49	.ofuncs = &(struct nouveau_ofuncs) {
	50	.ctor = nv4e_ram_create,
	51	.dtor = _nouveau_ram_dtor,
	52	.init = _nouveau_ram_init,
	53	.fini = _nouveau_ram_fini,
	54	}
	55	};