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 <core/firmware.h>
28 #include <core/memory.h>
29 #include <nvfw/fw.h>
30 #include <nvfw/hs.h>
31 #include <engine/nvdec.h>
32
33 int
gp102_fb_vpr_scrub(struct nvkm_fb * fb)34 gp102_fb_vpr_scrub(struct nvkm_fb *fb)
35 {
36 struct nvkm_subdev *subdev = &fb->subdev;
37 struct nvkm_device *device = subdev->device;
38 struct nvkm_falcon *falcon = &device->nvdec[0]->falcon;
39 struct nvkm_blob *blob = &fb->vpr_scrubber;
40 const struct nvfw_bin_hdr *hsbin_hdr;
41 const struct nvfw_hs_header *fw_hdr;
42 const struct nvfw_hs_load_header *lhdr;
43 void *scrub_data;
44 u32 patch_loc, patch_sig;
45 int ret;
46
47 nvkm_falcon_get(falcon, subdev);
48
49 hsbin_hdr = nvfw_bin_hdr(subdev, blob->data);
50 fw_hdr = nvfw_hs_header(subdev, blob->data + hsbin_hdr->header_offset);
51 lhdr = nvfw_hs_load_header(subdev, blob->data + fw_hdr->hdr_offset);
52 scrub_data = blob->data + hsbin_hdr->data_offset;
53
54 patch_loc = *(u32 *)(blob->data + fw_hdr->patch_loc);
55 patch_sig = *(u32 *)(blob->data + fw_hdr->patch_sig);
56 if (falcon->debug) {
57 memcpy(scrub_data + patch_loc,
58 blob->data + fw_hdr->sig_dbg_offset + patch_sig,
59 fw_hdr->sig_dbg_size);
60 } else {
61 memcpy(scrub_data + patch_loc,
62 blob->data + fw_hdr->sig_prod_offset + patch_sig,
63 fw_hdr->sig_prod_size);
64 }
65
66 nvkm_falcon_reset(falcon);
67 nvkm_falcon_bind_context(falcon, NULL);
68
69 nvkm_falcon_load_imem(falcon, scrub_data, lhdr->non_sec_code_off,
70 lhdr->non_sec_code_size,
71 lhdr->non_sec_code_off >> 8, 0, false);
72 nvkm_falcon_load_imem(falcon, scrub_data + lhdr->apps[0],
73 ALIGN(lhdr->apps[0], 0x100),
74 lhdr->apps[1],
75 lhdr->apps[0] >> 8, 0, true);
76 nvkm_falcon_load_dmem(falcon, scrub_data + lhdr->data_dma_base, 0,
77 lhdr->data_size, 0);
78
79 nvkm_falcon_set_start_addr(falcon, 0x0);
80 nvkm_falcon_start(falcon);
81
82 ret = nvkm_falcon_wait_for_halt(falcon, 500);
83 if (ret < 0) {
84 ret = -ETIMEDOUT;
85 goto end;
86 }
87
88 /* put nvdec in clean state - without reset it will remain in HS mode */
89 nvkm_falcon_reset(falcon);
90 end:
91 nvkm_falcon_put(falcon, subdev);
92 return ret;
93 }
94
95 bool
gp102_fb_vpr_scrub_required(struct nvkm_fb * fb)96 gp102_fb_vpr_scrub_required(struct nvkm_fb *fb)
97 {
98 struct nvkm_device *device = fb->subdev.device;
99 nvkm_wr32(device, 0x100cd0, 0x2);
100 return (nvkm_rd32(device, 0x100cd0) & 0x00000010) != 0;
101 }
102
103 static const struct nvkm_fb_func
104 gp102_fb = {
105 .dtor = gf100_fb_dtor,
106 .oneinit = gf100_fb_oneinit,
107 .init = gp100_fb_init,
108 .init_remapper = gp100_fb_init_remapper,
109 .init_page = gm200_fb_init_page,
110 .vpr.scrub_required = gp102_fb_vpr_scrub_required,
111 .vpr.scrub = gp102_fb_vpr_scrub,
112 .ram_new = gp100_ram_new,
113 };
114
115 int
gp102_fb_new_(const struct nvkm_fb_func * func,struct nvkm_device * device,int index,struct nvkm_fb ** pfb)116 gp102_fb_new_(const struct nvkm_fb_func *func, struct nvkm_device *device,
117 int index, struct nvkm_fb **pfb)
118 {
119 int ret = gf100_fb_new_(func, device, index, pfb);
120 if (ret)
121 return ret;
122
123 nvkm_firmware_load_blob(&(*pfb)->subdev, "nvdec/scrubber", "", 0,
124 &(*pfb)->vpr_scrubber);
125 return 0;
126 }
127
128 int
gp102_fb_new(struct nvkm_device * device,int index,struct nvkm_fb ** pfb)129 gp102_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
130 {
131 return gp102_fb_new_(&gp102_fb, device, index, pfb);
132 }
133
134 MODULE_FIRMWARE("nvidia/gp102/nvdec/scrubber.bin");
135 MODULE_FIRMWARE("nvidia/gp104/nvdec/scrubber.bin");
136 MODULE_FIRMWARE("nvidia/gp106/nvdec/scrubber.bin");
137 MODULE_FIRMWARE("nvidia/gp107/nvdec/scrubber.bin");
138 MODULE_FIRMWARE("nvidia/gp108/nvdec/scrubber.bin");
139