1 /*
2 * Copyright 2012 Red Hat Inc.
3 *
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:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
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.
21 *
22 * Authors: Ben Skeggs
23 */
24 #include "priv.h"
25 #include "ram.h"
26
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>
33
34 void
nvkm_fb_tile_fini(struct nvkm_fb * fb,int region,struct nvkm_fb_tile * tile)35 nvkm_fb_tile_fini(struct nvkm_fb *fb, int region, struct nvkm_fb_tile *tile)
36 {
37 fb->func->tile.fini(fb, region, tile);
38 }
39
40 void
nvkm_fb_tile_init(struct nvkm_fb * fb,int region,u32 addr,u32 size,u32 pitch,u32 flags,struct nvkm_fb_tile * 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)
43 {
44 fb->func->tile.init(fb, region, addr, size, pitch, flags, tile);
45 }
46
47 void
nvkm_fb_tile_prog(struct nvkm_fb * fb,int region,struct nvkm_fb_tile * tile)48 nvkm_fb_tile_prog(struct nvkm_fb *fb, int region, struct nvkm_fb_tile *tile)
49 {
50 struct nvkm_device *device = fb->subdev.device;
51 if (fb->func->tile.prog) {
52 fb->func->tile.prog(fb, region, tile);
53 if (device->gr)
54 nvkm_engine_tile(&device->gr->engine, region);
55 if (device->mpeg)
56 nvkm_engine_tile(device->mpeg, region);
57 }
58 }
59
60 int
nvkm_fb_bios_memtype(struct nvkm_bios * bios)61 nvkm_fb_bios_memtype(struct nvkm_bios *bios)
62 {
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;
67 u8 ver, hdr;
68
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;
75 case M0203E_TYPE_GDDR5X: return NVKM_RAM_TYPE_GDDR5X;
76 case M0203E_TYPE_GDDR6 : return NVKM_RAM_TYPE_GDDR6;
77 case M0203E_TYPE_HBM2 : return NVKM_RAM_TYPE_HBM2;
78 default:
79 nvkm_warn(subdev, "M0203E type %02x\n", M0203E.type);
80 return NVKM_RAM_TYPE_UNKNOWN;
81 }
82 }
83
84 nvkm_warn(subdev, "M0203E not matched!\n");
85 return NVKM_RAM_TYPE_UNKNOWN;
86 }
87
88 static void
nvkm_fb_intr(struct nvkm_subdev * subdev)89 nvkm_fb_intr(struct nvkm_subdev *subdev)
90 {
91 struct nvkm_fb *fb = nvkm_fb(subdev);
92 if (fb->func->intr)
93 fb->func->intr(fb);
94 }
95
96 static int
nvkm_fb_oneinit(struct nvkm_subdev * subdev)97 nvkm_fb_oneinit(struct nvkm_subdev *subdev)
98 {
99 struct nvkm_fb *fb = nvkm_fb(subdev);
100 u32 tags = 0;
101
102 if (fb->func->ram_new) {
103 int ret = fb->func->ram_new(fb, &fb->ram);
104 if (ret) {
105 nvkm_error(subdev, "vram setup failed, %d\n", ret);
106 return ret;
107 }
108 }
109
110 if (fb->func->oneinit) {
111 int ret = fb->func->oneinit(fb);
112 if (ret)
113 return ret;
114 }
115
116 /* Initialise compression tag allocator.
117 *
118 * LTC oneinit() will override this on Fermi and newer.
119 */
120 if (fb->func->tags) {
121 tags = fb->func->tags(fb);
122 nvkm_debug(subdev, "%d comptags\n", tags);
123 }
124
125 return nvkm_mm_init(&fb->tags.mm, 0, 0, tags, 1);
126 }
127
128 static int
nvkm_fb_init_scrub_vpr(struct nvkm_fb * fb)129 nvkm_fb_init_scrub_vpr(struct nvkm_fb *fb)
130 {
131 struct nvkm_subdev *subdev = &fb->subdev;
132 int ret;
133
134 nvkm_debug(subdev, "VPR locked, running scrubber binary\n");
135
136 if (!fb->vpr_scrubber.size) {
137 nvkm_warn(subdev, "VPR locked, but no scrubber binary!\n");
138 return 0;
139 }
140
141 ret = fb->func->vpr.scrub(fb);
142 if (ret) {
143 nvkm_error(subdev, "VPR scrubber binary failed\n");
144 return ret;
145 }
146
147 if (fb->func->vpr.scrub_required(fb)) {
148 nvkm_error(subdev, "VPR still locked after scrub!\n");
149 return -EIO;
150 }
151
152 nvkm_debug(subdev, "VPR scrubber binary successful\n");
153 return 0;
154 }
155
156 static int
nvkm_fb_init(struct nvkm_subdev * subdev)157 nvkm_fb_init(struct nvkm_subdev *subdev)
158 {
159 struct nvkm_fb *fb = nvkm_fb(subdev);
160 int ret, i;
161
162 if (fb->ram) {
163 ret = nvkm_ram_init(fb->ram);
164 if (ret)
165 return ret;
166 }
167
168 for (i = 0; i < fb->tile.regions; i++)
169 fb->func->tile.prog(fb, i, &fb->tile.region[i]);
170
171 if (fb->func->init)
172 fb->func->init(fb);
173
174 if (fb->func->init_remapper)
175 fb->func->init_remapper(fb);
176
177 if (fb->func->init_page) {
178 ret = fb->func->init_page(fb);
179 if (WARN_ON(ret))
180 return ret;
181 }
182
183 if (fb->func->init_unkn)
184 fb->func->init_unkn(fb);
185
186 if (fb->func->vpr.scrub_required &&
187 fb->func->vpr.scrub_required(fb)) {
188 ret = nvkm_fb_init_scrub_vpr(fb);
189 if (ret)
190 return ret;
191 }
192
193 return 0;
194 }
195
196 static void *
nvkm_fb_dtor(struct nvkm_subdev * subdev)197 nvkm_fb_dtor(struct nvkm_subdev *subdev)
198 {
199 struct nvkm_fb *fb = nvkm_fb(subdev);
200 int i;
201
202 nvkm_memory_unref(&fb->mmu_wr);
203 nvkm_memory_unref(&fb->mmu_rd);
204
205 for (i = 0; i < fb->tile.regions; i++)
206 fb->func->tile.fini(fb, i, &fb->tile.region[i]);
207
208 nvkm_mm_fini(&fb->tags.mm);
209 mutex_destroy(&fb->tags.mutex);
210
211 nvkm_ram_del(&fb->ram);
212
213 nvkm_blob_dtor(&fb->vpr_scrubber);
214
215 if (fb->func->dtor)
216 return fb->func->dtor(fb);
217 return fb;
218 }
219
220 static const struct nvkm_subdev_func
221 nvkm_fb = {
222 .dtor = nvkm_fb_dtor,
223 .oneinit = nvkm_fb_oneinit,
224 .init = nvkm_fb_init,
225 .intr = nvkm_fb_intr,
226 };
227
228 void
nvkm_fb_ctor(const struct nvkm_fb_func * func,struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_fb * fb)229 nvkm_fb_ctor(const struct nvkm_fb_func *func, struct nvkm_device *device,
230 enum nvkm_subdev_type type, int inst, struct nvkm_fb *fb)
231 {
232 nvkm_subdev_ctor(&nvkm_fb, device, type, inst, &fb->subdev);
233 fb->func = func;
234 fb->tile.regions = fb->func->tile.regions;
235 fb->page = nvkm_longopt(device->cfgopt, "NvFbBigPage", fb->func->default_bigpage);
236 mutex_init(&fb->tags.mutex);
237 }
238
239 int
nvkm_fb_new_(const struct nvkm_fb_func * func,struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_fb ** pfb)240 nvkm_fb_new_(const struct nvkm_fb_func *func, struct nvkm_device *device,
241 enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)
242 {
243 if (!(*pfb = kzalloc(sizeof(**pfb), GFP_KERNEL)))
244 return -ENOMEM;
245 nvkm_fb_ctor(func, device, type, inst, *pfb);
246 return 0;
247 }
248