[mirror_ubuntu-bionic-kernel.git] / drivers / gpu / drm / nouveau / nvkm / subdev / fb / nv25.c

/*
 * Copyright (C) 2010 Francisco Jerez.
 * All Rights Reserved.
 *
 * 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 (including the
 * next paragraph) 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 OWNER(S) AND/OR ITS SUPPLIERS 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.
 *
 */
#include "priv.h"
#include "ram.h"

static void
nv25_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
		  struct nvkm_fb_tile *tile)
{
	u32 tiles = DIV_ROUND_UP(size, 0x40);
	u32 tags  = round_up(tiles / fb->ram->parts, 0x40);
	if (!nvkm_mm_head(&fb->tags, 0, 1, tags, tags, 1, &tile->tag)) {
		if (!(flags & 2)) tile->zcomp = 0x00100000; /* Z16 */
		else              tile->zcomp = 0x00200000; /* Z24S8 */
		tile->zcomp |= tile->tag->offset;
#ifdef __BIG_ENDIAN
		tile->zcomp |= 0x01000000;
#endif
	}
}

static const struct nvkm_fb_func
nv25_fb = {
	.tags = nv20_fb_tags,
	.tile.regions = 8,
	.tile.init = nv20_fb_tile_init,
	.tile.comp = nv25_fb_tile_comp,
	.tile.fini = nv20_fb_tile_fini,
	.tile.prog = nv20_fb_tile_prog,
	.ram_new = nv20_ram_new,
};

int
nv25_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
{
	return nvkm_fb_new_(&nv25_fb, device, index, pfb);
}
Commit	Line	Data
a8749af1 BS	1	/*
	2	* Copyright (C) 2010 Francisco Jerez.
	3	* All Rights Reserved.
	4	*
	5	* Permission is hereby granted, free of charge, to any person obtaining
	6	* a copy of this software and associated documentation files (the
	7	* "Software"), to deal in the Software without restriction, including
	8	* without limitation the rights to use, copy, modify, merge, publish,
	9	* distribute, sublicense, and/or sell copies of the Software, and to
	10	* permit persons to whom the Software is furnished to do so, subject to
	11	* the following conditions:
	12	*
	13	* The above copyright notice and this permission notice (including the
	14	* next paragraph) shall be included in all copies or substantial
	15	* portions of the Software.
	16	*
	17	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	18	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	19	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
	20	* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
	21	* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
	22	* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
	23	* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
	24	*
	25	*/
03c8952f	26	#include "priv.h"
d36a99d2	27	#include "ram.h"
a8749af1 BS	28
a8749af1 BS	29	static void
b1e4553c	30	nv25_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
639c308e	31	struct nvkm_fb_tile *tile)
a8749af1	32	{
fd3a5225	33	u32 tiles = DIV_ROUND_UP(size, 0x40);
b1e4553c	34	u32 tags = round_up(tiles / fb->ram->parts, 0x40);
7ef44bee	35	if (!nvkm_mm_head(&fb->tags, 0, 1, tags, tags, 1, &tile->tag)) {
fd3a5225 BS	36	if (!(flags & 2)) tile->zcomp = 0x00100000; /* Z16 */
	37	else tile->zcomp = 0x00200000; /* Z24S8 */
	38	tile->zcomp \|= tile->tag->offset;
d33db63b BS	39	#ifdef __BIG_ENDIAN
	40	tile->zcomp \|= 0x01000000;
	41	#endif
a8749af1 BS	42	}
	43	}
	44
03c8952f BS	45	static const struct nvkm_fb_func
03c8952f BS	46	nv25_fb = {
af793b8c	47	.tags = nv20_fb_tags,
20cdeaf9 BS	48	.tile.regions = 8,
	49	.tile.init = nv20_fb_tile_init,
	50	.tile.comp = nv25_fb_tile_comp,
	51	.tile.fini = nv20_fb_tile_fini,
	52	.tile.prog = nv20_fb_tile_prog,
03c8952f	53	.ram_new = nv20_ram_new,
03c8952f BS	54	};
	55
	56	int
	57	nv25_fb_new(struct nvkm_device device, int index, struct nvkm_fb *pfb)
	58	{
	59	return nvkm_fb_new_(&nv25_fb, device, index, pfb);
	60	}