2 * Copyright 2012 Red Hat Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
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.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
27 #include <core/memory.h>
28 #include <core/option.h>
29 #include <subdev/bios.h>
30 #include <subdev/bios/M0203.h>
31 #include <engine/gr.h>
32 #include <engine/mpeg.h>
35 nvkm_fb_tile_fini(struct nvkm_fb *fb, int region, struct nvkm_fb_tile *tile)
37 fb->func->tile.fini(fb, region, tile);
41 nvkm_fb_tile_init(struct nvkm_fb *fb, int region, u32 addr, u32 size,
42 u32 pitch, u32 flags, struct nvkm_fb_tile *tile)
44 fb->func->tile.init(fb, region, addr, size, pitch, flags, tile);
48 nvkm_fb_tile_prog(struct nvkm_fb *fb, int region, struct nvkm_fb_tile *tile)
50 struct nvkm_device *device = fb->subdev.device;
51 if (fb->func->tile.prog) {
52 fb->func->tile.prog(fb, region, tile);
54 nvkm_engine_tile(&device->gr->engine, region);
56 nvkm_engine_tile(device->mpeg, region);
61 nvkm_fb_bios_memtype(struct nvkm_bios *bios)
63 struct nvkm_subdev *subdev = &bios->subdev;
64 struct nvkm_device *device = subdev->device;
65 const u8 ramcfg = (nvkm_rd32(device, 0x101000) & 0x0000003c) >> 2;
66 struct nvbios_M0203E M0203E;
69 if (nvbios_M0203Em(bios, ramcfg, &ver, &hdr, &M0203E)) {
70 switch (M0203E.type) {
71 case M0203E_TYPE_DDR2 : return NVKM_RAM_TYPE_DDR2;
72 case M0203E_TYPE_DDR3 : return NVKM_RAM_TYPE_DDR3;
73 case M0203E_TYPE_GDDR3: return NVKM_RAM_TYPE_GDDR3;
74 case M0203E_TYPE_GDDR5: return NVKM_RAM_TYPE_GDDR5;
76 nvkm_warn(subdev, "M0203E type %02x\n", M0203E.type);
77 return NVKM_RAM_TYPE_UNKNOWN;
81 nvkm_warn(subdev, "M0203E not matched!\n");
82 return NVKM_RAM_TYPE_UNKNOWN;
86 nvkm_fb_intr(struct nvkm_subdev *subdev)
88 struct nvkm_fb *fb = nvkm_fb(subdev);
94 nvkm_fb_oneinit(struct nvkm_subdev *subdev)
96 struct nvkm_fb *fb = nvkm_fb(subdev);
99 if (fb->func->ram_new) {
100 int ret = fb->func->ram_new(fb, &fb->ram);
102 nvkm_error(subdev, "vram setup failed, %d\n", ret);
107 if (fb->func->oneinit) {
108 int ret = fb->func->oneinit(fb);
113 /* Initialise compression tag allocator.
115 * LTC oneinit() will override this on Fermi and newer.
117 if (fb->func->tags) {
118 tags = fb->func->tags(fb);
119 nvkm_debug(subdev, "%d comptags\n", tags);
122 return nvkm_mm_init(&fb->tags, 0, 0, tags, 1);
126 nvkm_fb_init(struct nvkm_subdev *subdev)
128 struct nvkm_fb *fb = nvkm_fb(subdev);
132 ret = nvkm_ram_init(fb->ram);
137 for (i = 0; i < fb->tile.regions; i++)
138 fb->func->tile.prog(fb, i, &fb->tile.region[i]);
143 if (fb->func->init_page) {
144 ret = fb->func->init_page(fb);
149 if (fb->func->init_unkn)
150 fb->func->init_unkn(fb);
155 nvkm_fb_dtor(struct nvkm_subdev *subdev)
157 struct nvkm_fb *fb = nvkm_fb(subdev);
160 nvkm_memory_unref(&fb->mmu_wr);
161 nvkm_memory_unref(&fb->mmu_rd);
163 for (i = 0; i < fb->tile.regions; i++)
164 fb->func->tile.fini(fb, i, &fb->tile.region[i]);
166 nvkm_mm_fini(&fb->tags);
167 nvkm_ram_del(&fb->ram);
170 return fb->func->dtor(fb);
174 static const struct nvkm_subdev_func
176 .dtor = nvkm_fb_dtor,
177 .oneinit = nvkm_fb_oneinit,
178 .init = nvkm_fb_init,
179 .intr = nvkm_fb_intr,
183 nvkm_fb_ctor(const struct nvkm_fb_func *func, struct nvkm_device *device,
184 int index, struct nvkm_fb *fb)
186 nvkm_subdev_ctor(&nvkm_fb, device, index, &fb->subdev);
188 fb->tile.regions = fb->func->tile.regions;
189 fb->page = nvkm_longopt(device->cfgopt, "NvFbBigPage",
190 fb->func->default_bigpage);
194 nvkm_fb_new_(const struct nvkm_fb_func *func, struct nvkm_device *device,
195 int index, struct nvkm_fb **pfb)
197 if (!(*pfb = kzalloc(sizeof(**pfb), GFP_KERNEL)))
199 nvkm_fb_ctor(func, device, index, *pfb);