2 * Copyright 2012 Red Hat Inc.
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5 * copy of this software and associated documentation files (the "Software"),
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9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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25 #include <subdev/bios.h>
26 #include <subdev/bios/M0203.h>
31 nouveau_fb_bios_memtype(struct nouveau_bios *bios)
33 const u8 ramcfg = (nv_rd32(bios, 0x101000) & 0x0000003c) >> 2;
34 struct nvbios_M0203E M0203E;
37 if (nvbios_M0203Em(bios, ramcfg, &ver, &hdr, &M0203E)) {
38 switch (M0203E.type) {
39 case M0203E_TYPE_DDR2 : return NV_MEM_TYPE_DDR2;
40 case M0203E_TYPE_DDR3 : return NV_MEM_TYPE_DDR3;
41 case M0203E_TYPE_GDDR3: return NV_MEM_TYPE_GDDR3;
42 case M0203E_TYPE_GDDR5: return NV_MEM_TYPE_GDDR5;
44 nv_warn(bios, "M0203E type %02x\n", M0203E.type);
45 return NV_MEM_TYPE_UNKNOWN;
49 nv_warn(bios, "M0203E not matched!\n");
50 return NV_MEM_TYPE_UNKNOWN;
54 _nouveau_fb_fini(struct nouveau_object *object, bool suspend)
56 struct nouveau_fb *pfb = (void *)object;
59 ret = nv_ofuncs(pfb->ram)->fini(nv_object(pfb->ram), suspend);
63 return nouveau_subdev_fini(&pfb->base, suspend);
67 _nouveau_fb_init(struct nouveau_object *object)
69 struct nouveau_fb *pfb = (void *)object;
72 ret = nouveau_subdev_init(&pfb->base);
76 ret = nv_ofuncs(pfb->ram)->init(nv_object(pfb->ram));
80 for (i = 0; i < pfb->tile.regions; i++)
81 pfb->tile.prog(pfb, i, &pfb->tile.region[i]);
87 _nouveau_fb_dtor(struct nouveau_object *object)
89 struct nouveau_fb *pfb = (void *)object;
92 for (i = 0; i < pfb->tile.regions; i++)
93 pfb->tile.fini(pfb, i, &pfb->tile.region[i]);
94 nouveau_mm_fini(&pfb->tags);
95 nouveau_mm_fini(&pfb->vram);
97 nouveau_object_ref(NULL, (struct nouveau_object **)&pfb->ram);
98 nouveau_subdev_destroy(&pfb->base);
102 nouveau_fb_create_(struct nouveau_object *parent, struct nouveau_object *engine,
103 struct nouveau_oclass *oclass, int length, void **pobject)
105 struct nouveau_fb_impl *impl = (void *)oclass;
106 static const char *name[] = {
107 [NV_MEM_TYPE_UNKNOWN] = "unknown",
108 [NV_MEM_TYPE_STOLEN ] = "stolen system memory",
109 [NV_MEM_TYPE_SGRAM ] = "SGRAM",
110 [NV_MEM_TYPE_SDRAM ] = "SDRAM",
111 [NV_MEM_TYPE_DDR1 ] = "DDR1",
112 [NV_MEM_TYPE_DDR2 ] = "DDR2",
113 [NV_MEM_TYPE_DDR3 ] = "DDR3",
114 [NV_MEM_TYPE_GDDR2 ] = "GDDR2",
115 [NV_MEM_TYPE_GDDR3 ] = "GDDR3",
116 [NV_MEM_TYPE_GDDR4 ] = "GDDR4",
117 [NV_MEM_TYPE_GDDR5 ] = "GDDR5",
119 struct nouveau_object *ram;
120 struct nouveau_fb *pfb;
123 ret = nouveau_subdev_create_(parent, engine, oclass, 0, "PFB", "fb",
129 pfb->memtype_valid = impl->memtype;
131 ret = nouveau_object_ctor(nv_object(pfb), NULL,
132 impl->ram, NULL, 0, &ram);
134 nv_fatal(pfb, "error detecting memory configuration!!\n");
138 pfb->ram = (void *)ram;
140 if (!nouveau_mm_initialised(&pfb->vram)) {
141 ret = nouveau_mm_init(&pfb->vram, 0, pfb->ram->size >> 12, 1);
146 if (!nouveau_mm_initialised(&pfb->tags)) {
147 ret = nouveau_mm_init(&pfb->tags, 0, pfb->ram->tags ?
148 ++pfb->ram->tags : 0, 1);
153 nv_info(pfb, "RAM type: %s\n", name[pfb->ram->type]);
154 nv_info(pfb, "RAM size: %d MiB\n", (int)(pfb->ram->size >> 20));
155 nv_info(pfb, " ZCOMP: %d tags\n", pfb->ram->tags);