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      1 /*	$NetBSD: nouveau_nvkm_subdev_fb_nv41.c,v 1.3 2021/12/18 23:45:39 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright (C) 2010 Francisco Jerez.
      5  * All Rights Reserved.
      6  *
      7  * Permission is hereby granted, free of charge, to any person obtaining
      8  * a copy of this software and associated documentation files (the
      9  * "Software"), to deal in the Software without restriction, including
     10  * without limitation the rights to use, copy, modify, merge, publish,
     11  * distribute, sublicense, and/or sell copies of the Software, and to
     12  * permit persons to whom the Software is furnished to do so, subject to
     13  * the following conditions:
     14  *
     15  * The above copyright notice and this permission notice (including the
     16  * next paragraph) shall be included in all copies or substantial
     17  * portions of the Software.
     18  *
     19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     20  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
     22  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
     23  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
     24  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
     25  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     26  *
     27  */
     28 #include <sys/cdefs.h>
     29 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_subdev_fb_nv41.c,v 1.3 2021/12/18 23:45:39 riastradh Exp $");
     30 
     31 #include "priv.h"
     32 #include "ram.h"
     33 
     34 void
     35 nv41_fb_tile_prog(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile)
     36 {
     37 	struct nvkm_device *device = fb->subdev.device;
     38 	nvkm_wr32(device, 0x100604 + (i * 0x10), tile->limit);
     39 	nvkm_wr32(device, 0x100608 + (i * 0x10), tile->pitch);
     40 	nvkm_wr32(device, 0x100600 + (i * 0x10), tile->addr);
     41 	nvkm_rd32(device, 0x100600 + (i * 0x10));
     42 	nvkm_wr32(device, 0x100700 + (i * 0x04), tile->zcomp);
     43 }
     44 
     45 void
     46 nv41_fb_init(struct nvkm_fb *fb)
     47 {
     48 	nvkm_wr32(fb->subdev.device, 0x100800, 0x00000001);
     49 }
     50 
     51 static const struct nvkm_fb_func
     52 nv41_fb = {
     53 	.tags = nv20_fb_tags,
     54 	.init = nv41_fb_init,
     55 	.tile.regions = 12,
     56 	.tile.init = nv30_fb_tile_init,
     57 	.tile.comp = nv40_fb_tile_comp,
     58 	.tile.fini = nv20_fb_tile_fini,
     59 	.tile.prog = nv41_fb_tile_prog,
     60 	.ram_new = nv41_ram_new,
     61 };
     62 
     63 int
     64 nv41_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
     65 {
     66 	return nvkm_fb_new_(&nv41_fb, device, index, pfb);
     67 }
     68