From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv44.c | 77 +++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv44.c (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv44.c') diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv44.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv44.c new file mode 100644 index 000000000..20b97c83c --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv44.c @@ -0,0 +1,77 @@ +/* + * 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 "nv04.h" + +static void +nv44_fb_tile_init(struct nvkm_fb *pfb, int i, u32 addr, u32 size, u32 pitch, + u32 flags, struct nvkm_fb_tile *tile) +{ + tile->addr = 0x00000001; /* mode = vram */ + tile->addr |= addr; + tile->limit = max(1u, addr + size) - 1; + tile->pitch = pitch; +} + +void +nv44_fb_tile_prog(struct nvkm_fb *pfb, int i, struct nvkm_fb_tile *tile) +{ + nv_wr32(pfb, 0x100604 + (i * 0x10), tile->limit); + nv_wr32(pfb, 0x100608 + (i * 0x10), tile->pitch); + nv_wr32(pfb, 0x100600 + (i * 0x10), tile->addr); + nv_rd32(pfb, 0x100600 + (i * 0x10)); +} + +int +nv44_fb_init(struct nvkm_object *object) +{ + struct nv04_fb_priv *priv = (void *)object; + int ret; + + ret = nvkm_fb_init(&priv->base); + if (ret) + return ret; + + nv_wr32(priv, 0x100850, 0x80000000); + nv_wr32(priv, 0x100800, 0x00000001); + return 0; +} + +struct nvkm_oclass * +nv44_fb_oclass = &(struct nv04_fb_impl) { + .base.base.handle = NV_SUBDEV(FB, 0x44), + .base.base.ofuncs = &(struct nvkm_ofuncs) { + .ctor = nv04_fb_ctor, + .dtor = _nvkm_fb_dtor, + .init = nv44_fb_init, + .fini = _nvkm_fb_fini, + }, + .base.memtype = nv04_fb_memtype_valid, + .base.ram = &nv44_ram_oclass, + .tile.regions = 12, + .tile.init = nv44_fb_tile_init, + .tile.fini = nv20_fb_tile_fini, + .tile.prog = nv44_fb_tile_prog, +}.base.base; -- cgit v1.2.3-54-g00ecf