1/* $NetBSD: nouveau_nvkm_subdev_fb_nv46.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_nv46.c,v 1.3 2021/12/18 23:45:39 riastradh Exp $"); 30 31#include "priv.h" 32#include "ram.h" 33 34void 35nv46_fb_tile_init(struct nvkm_fb *fb, int i, u32 addr, u32 size, u32 pitch, 36 u32 flags, struct nvkm_fb_tile *tile) 37{ 38 /* for performance, select alternate bank offset for zeta */ 39 if (!(flags & 4)) tile->addr = (0 << 3); 40 else tile->addr = (1 << 3); 41 42 tile->addr |= 0x00000001; /* mode = vram */ 43 tile->addr |= addr; 44 tile->limit = max(1u, addr + size) - 1; 45 tile->pitch = pitch; 46} 47 48static const struct nvkm_fb_func 49nv46_fb = { 50 .init = nv44_fb_init, 51 .tile.regions = 15, 52 .tile.init = nv46_fb_tile_init, 53 .tile.fini = nv20_fb_tile_fini, 54 .tile.prog = nv44_fb_tile_prog, 55 .ram_new = nv44_ram_new, 56}; 57 58int 59nv46_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb) 60{ 61 return nvkm_fb_new_(&nv46_fb, device, index, pfb); 62} 63