diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/fb/nv40.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/fb/nv40.c | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/nv40.c b/drivers/gpu/drm/nouveau/core/subdev/fb/nv40.c new file mode 100644 index 00000000000..347a496fcad --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/nv40.c @@ -0,0 +1,178 @@ +/* + * 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 <subdev/fb.h> + +struct nv40_fb_priv { + struct nouveau_fb base; +}; + +static inline int +nv44_graph_class(struct nouveau_device *device) +{ + if ((device->chipset & 0xf0) == 0x60) + return 1; + + return !(0x0baf & (1 << (device->chipset & 0x0f))); +} + +static void +nv40_fb_tile_prog(struct nouveau_fb *pfb, int i, struct nouveau_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); +} + +static void +nv40_fb_init_gart(struct nv40_fb_priv *priv) +{ + nv_wr32(priv, 0x100800, 0x00000001); +} + +static void +nv44_fb_init_gart(struct nv40_fb_priv *priv) +{ + nv_wr32(priv, 0x100850, 0x80000000); + nv_wr32(priv, 0x100800, 0x00000001); +} + +static int +nv40_fb_init(struct nouveau_object *object) +{ + struct nv40_fb_priv *priv = (void *)object; + int ret; + + ret = nouveau_fb_init(&priv->base); + if (ret) + return ret; + + switch (nv_device(priv)->chipset) { + case 0x40: + case 0x45: + nv_mask(priv, 0x10033c, 0x00008000, 0x00000000); + break; + default: + if (nv44_graph_class(nv_device(priv))) + nv44_fb_init_gart(priv); + else + nv40_fb_init_gart(priv); + break; + } + + return 0; +} + +static int +nv40_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nouveau_device *device = nv_device(parent); + struct nv40_fb_priv *priv; + int ret; + + ret = nouveau_fb_create(parent, engine, oclass, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + /* 0x001218 is actually present on a few other NV4X I looked at, + * and even contains sane values matching 0x100474. From looking + * at various vbios images however, this isn't the case everywhere. + * So, I chose to use the same regs I've seen NVIDIA reading around + * the memory detection, hopefully that'll get us the right numbers + */ + if (device->chipset == 0x40) { + u32 pbus1218 = nv_rd32(priv, 0x001218); + switch (pbus1218 & 0x00000300) { + case 0x00000000: priv->base.ram.type = NV_MEM_TYPE_SDRAM; break; + case 0x00000100: priv->base.ram.type = NV_MEM_TYPE_DDR1; break; + case 0x00000200: priv->base.ram.type = NV_MEM_TYPE_GDDR3; break; + case 0x00000300: priv->base.ram.type = NV_MEM_TYPE_DDR2; break; + } + } else + if (device->chipset == 0x49 || device->chipset == 0x4b) { + u32 pfb914 = nv_rd32(priv, 0x100914); + switch (pfb914 & 0x00000003) { + case 0x00000000: priv->base.ram.type = NV_MEM_TYPE_DDR1; break; + case 0x00000001: priv->base.ram.type = NV_MEM_TYPE_DDR2; break; + case 0x00000002: priv->base.ram.type = NV_MEM_TYPE_GDDR3; break; + case 0x00000003: break; + } + } else + if (device->chipset != 0x4e) { + u32 pfb474 = nv_rd32(priv, 0x100474); + if (pfb474 & 0x00000004) + priv->base.ram.type = NV_MEM_TYPE_GDDR3; + if (pfb474 & 0x00000002) + priv->base.ram.type = NV_MEM_TYPE_DDR2; + if (pfb474 & 0x00000001) + priv->base.ram.type = NV_MEM_TYPE_DDR1; + } else { + priv->base.ram.type = NV_MEM_TYPE_STOLEN; + } + + priv->base.ram.size = nv_rd32(priv, 0x10020c) & 0xff000000; + + priv->base.memtype_valid = nv04_fb_memtype_valid; + switch (device->chipset) { + case 0x40: + case 0x45: + priv->base.tile.regions = 8; + break; + case 0x46: + case 0x47: + case 0x49: + case 0x4b: + case 0x4c: + priv->base.tile.regions = 15; + break; + default: + priv->base.tile.regions = 12; + break; + } + priv->base.tile.init = nv30_fb_tile_init; + priv->base.tile.fini = nv30_fb_tile_fini; + if (device->chipset == 0x40) + priv->base.tile.prog = nv10_fb_tile_prog; + else + priv->base.tile.prog = nv40_fb_tile_prog; + + return nouveau_fb_created(&priv->base); +} + + +struct nouveau_oclass +nv40_fb_oclass = { + .handle = NV_SUBDEV(FB, 0x40), + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nv40_fb_ctor, + .dtor = _nouveau_fb_dtor, + .init = nv40_fb_init, + .fini = _nouveau_fb_fini, + }, +}; |