Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / gpu / drm / nouveau / nvkm / subdev / fb / base.c

diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c b/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c
new file mode 100644 (file)
index 0000000..61fde43
--- /dev/null
+++ b/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c
@@ -0,0 +1,165 @@
+/*
+ * 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;
+
+       if (pfb->ram) {
+               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;
+
+       if (pfb->ram) {
+               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);
+
+       if (pfb->ram) {
+               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;
+
+       if (!impl->ram)
+               return 0;
+
+       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;
+}