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,enum nvkm_subdev_type type,int inst,struct nvkm_fb ** pfb)116 gp102_fb_new_(const struct nvkm_fb_func *func, struct nvkm_device *device,
117 	      enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)
118 {
119 	int ret = gf100_fb_new_(func, device, type, inst, 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,enum nvkm_subdev_type type,int inst,struct nvkm_fb ** pfb)129 gp102_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)
130 {
131 	return gp102_fb_new_(&gp102_fb, device, type, inst, 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