xref: /linux/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp102.c (revision a940daa52167e9db8ecce82213813b735a9d9f23)
1 /*
2  * Copyright 2016 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 <bskeggs@redhat.com>
23  */
24 #include "gf100.h"
25 #include "ram.h"
26 
27 #include <engine/nvdec.h>
28 
29 int
gp102_fb_vpr_scrub(struct nvkm_fb * fb)30 gp102_fb_vpr_scrub(struct nvkm_fb *fb)
31 {
32 	return nvkm_falcon_fw_boot(&fb->vpr_scrubber, &fb->subdev, true, NULL, NULL, 0, 0x00000000);
33 }
34 
35 bool
gp102_fb_vpr_scrub_required(struct nvkm_fb * fb)36 gp102_fb_vpr_scrub_required(struct nvkm_fb *fb)
37 {
38 	struct nvkm_device *device = fb->subdev.device;
39 	nvkm_wr32(device, 0x100cd0, 0x2);
40 	return (nvkm_rd32(device, 0x100cd0) & 0x00000010) != 0;
41 }
42 
43 u64
gp102_fb_vidmem_size(struct nvkm_fb * fb)44 gp102_fb_vidmem_size(struct nvkm_fb *fb)
45 {
46 	const u32 data = nvkm_rd32(fb->subdev.device, 0x100ce0);
47 	const u32 lmag = (data & 0x000003f0) >> 4;
48 	const u32 lsca = (data & 0x0000000f);
49 	const u64 size = (u64)lmag << (lsca + 20);
50 
51 	if (data & 0x40000000)
52 		return size / 16 * 15;
53 
54 	return size;
55 }
56 
57 int
gp102_fb_oneinit(struct nvkm_fb * fb)58 gp102_fb_oneinit(struct nvkm_fb *fb)
59 {
60 	struct nvkm_subdev *subdev = &fb->subdev;
61 
62 	nvkm_falcon_fw_ctor_hs(&gm200_flcn_fw, "mem-unlock", subdev, NULL, "nvdec/scrubber",
63 			       0, &subdev->device->nvdec[0]->falcon, &fb->vpr_scrubber);
64 
65 	return gf100_fb_oneinit(fb);
66 }
67 
68 static const struct nvkm_fb_func
69 gp102_fb = {
70 	.dtor = gf100_fb_dtor,
71 	.oneinit = gp102_fb_oneinit,
72 	.init = gm200_fb_init,
73 	.init_remapper = gp100_fb_init_remapper,
74 	.init_page = gm200_fb_init_page,
75 	.sysmem.flush_page_init = gf100_fb_sysmem_flush_page_init,
76 	.vidmem.size = gp102_fb_vidmem_size,
77 	.vpr.scrub_required = gp102_fb_vpr_scrub_required,
78 	.vpr.scrub = gp102_fb_vpr_scrub,
79 	.ram_new = gp102_ram_new,
80 };
81 
82 int
gp102_fb_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_fb ** pfb)83 gp102_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)
84 {
85 	return gf100_fb_new_(&gp102_fb, device, type, inst, pfb);
86 }
87 
88 MODULE_FIRMWARE("nvidia/gp102/nvdec/scrubber.bin");
89 MODULE_FIRMWARE("nvidia/gp104/nvdec/scrubber.bin");
90 MODULE_FIRMWARE("nvidia/gp106/nvdec/scrubber.bin");
91 MODULE_FIRMWARE("nvidia/gp107/nvdec/scrubber.bin");
92 MODULE_FIRMWARE("nvidia/gp108/nvdec/scrubber.bin");
93