diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c new file mode 100644 index 000000000000..16589fa613cd --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c @@ -0,0 +1,155 @@ +/* + * Copyright 2012 Red Hat Inc. + * + * 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 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 HOLDER(S) OR AUTHOR(S) 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. + * + * Authors: Ben Skeggs + */ +#include "priv.h" + +#include <subdev/bios.h> +#include <subdev/bios/M0203.h> + +int +nvkm_fb_bios_memtype(struct nvkm_bios *bios) +{ + const u8 ramcfg = (nv_rd32(bios, 0x101000) & 0x0000003c) >> 2; + struct nvbios_M0203E M0203E; + u8 ver, hdr; + + if (nvbios_M0203Em(bios, ramcfg, &ver, &hdr, &M0203E)) { + switch (M0203E.type) { + case M0203E_TYPE_DDR2 : return NV_MEM_TYPE_DDR2; + case M0203E_TYPE_DDR3 : return NV_MEM_TYPE_DDR3; + case M0203E_TYPE_GDDR3: return NV_MEM_TYPE_GDDR3; + case M0203E_TYPE_GDDR5: return NV_MEM_TYPE_GDDR5; + default: + nv_warn(bios, "M0203E type %02x\n", M0203E.type); + return NV_MEM_TYPE_UNKNOWN; + } + } + + nv_warn(bios, "M0203E not matched!\n"); + return NV_MEM_TYPE_UNKNOWN; +} + +int +_nvkm_fb_fini(struct nvkm_object *object, bool suspend) +{ + struct nvkm_fb *pfb = (void *)object; + int ret; + + ret = nv_ofuncs(pfb->ram)->fini(nv_object(pfb->ram), suspend); + if (ret && suspend) + return ret; + + return nvkm_subdev_fini(&pfb->base, suspend); +} + +int +_nvkm_fb_init(struct nvkm_object *object) +{ + struct nvkm_fb *pfb = (void *)object; + int ret, i; + + ret = nvkm_subdev_init(&pfb->base); + if (ret) + return ret; + + ret = nv_ofuncs(pfb->ram)->init(nv_object(pfb->ram)); + if (ret) + return ret; + + for (i = 0; i < pfb->tile.regions; i++) + pfb->tile.prog(pfb, i, &pfb->tile.region[i]); + + return 0; +} + +void +_nvkm_fb_dtor(struct nvkm_object *object) +{ + struct nvkm_fb *pfb = (void *)object; + int i; + + for (i = 0; i < pfb->tile.regions; i++) + pfb->tile.fini(pfb, i, &pfb->tile.region[i]); + nvkm_mm_fini(&pfb->tags); + nvkm_mm_fini(&pfb->vram); + + nvkm_object_ref(NULL, (struct nvkm_object **)&pfb->ram); + nvkm_subdev_destroy(&pfb->base); +} + +int +nvkm_fb_create_(struct nvkm_object *parent, struct nvkm_object *engine, + struct nvkm_oclass *oclass, int length, void **pobject) +{ + struct nvkm_fb_impl *impl = (void *)oclass; + static const char *name[] = { + [NV_MEM_TYPE_UNKNOWN] = "unknown", + [NV_MEM_TYPE_STOLEN ] = "stolen system memory", + [NV_MEM_TYPE_SGRAM ] = "SGRAM", + [NV_MEM_TYPE_SDRAM ] = "SDRAM", + [NV_MEM_TYPE_DDR1 ] = "DDR1", + [NV_MEM_TYPE_DDR2 ] = "DDR2", + [NV_MEM_TYPE_DDR3 ] = "DDR3", + [NV_MEM_TYPE_GDDR2 ] = "GDDR2", + [NV_MEM_TYPE_GDDR3 ] = "GDDR3", + [NV_MEM_TYPE_GDDR4 ] = "GDDR4", + [NV_MEM_TYPE_GDDR5 ] = "GDDR5", + }; + struct nvkm_object *ram; + struct nvkm_fb *pfb; + int ret; + + ret = nvkm_subdev_create_(parent, engine, oclass, 0, "PFB", "fb", + length, pobject); + pfb = *pobject; + if (ret) + return ret; + + pfb->memtype_valid = impl->memtype; + + ret = nvkm_object_ctor(nv_object(pfb), NULL, impl->ram, NULL, 0, &ram); + if (ret) { + nv_fatal(pfb, "error detecting memory configuration!!\n"); + return ret; + } + + pfb->ram = (void *)ram; + + if (!nvkm_mm_initialised(&pfb->vram)) { + ret = nvkm_mm_init(&pfb->vram, 0, pfb->ram->size >> 12, 1); + if (ret) + return ret; + } + + if (!nvkm_mm_initialised(&pfb->tags)) { + ret = nvkm_mm_init(&pfb->tags, 0, pfb->ram->tags ? + ++pfb->ram->tags : 0, 1); + if (ret) + return ret; + } + + nv_info(pfb, "RAM type: %s\n", name[pfb->ram->type]); + nv_info(pfb, "RAM size: %d MiB\n", (int)(pfb->ram->size >> 20)); + nv_info(pfb, " ZCOMP: %d tags\n", pfb->ram->tags); + return 0; +} |