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/*
* Copyright 2021 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include "priv.h"
#include <subdev/gsp.h>
static int
ga100_top_parse(struct nvkm_top *top)
{
struct nvkm_subdev *subdev = &top->subdev;
struct nvkm_device *device = subdev->device;
struct nvkm_top_device *info = NULL;
u32 data, type, inst;
int i, n, size = nvkm_rd32(device, 0x0224fc) >> 20;
for (i = 0, n = 0; i < size; i++) {
if (!info) {
if (!(info = nvkm_top_device_new(top)))
return -ENOMEM;
type = ~0;
inst = 0;
}
data = nvkm_rd32(device, 0x022800 + (i * 0x04));
nvkm_trace(subdev, "%02x: %08x\n", i, data);
if (!data && n == 0)
continue;
switch (n++) {
case 0:
type = (data & 0x3f000000) >> 24;
inst = (data & 0x000f0000) >> 16;
info->fault = (data & 0x0000007f);
break;
case 1:
info->addr = (data & 0x00fff000);
info->reset = (data & 0x0000001f);
break;
case 2:
info->runlist = (data & 0x00fffc00);
info->engine = (data & 0x00000003);
break;
default:
break;
}
if (data & 0x80000000)
continue;
n = 0;
/* Translate engine type to NVKM engine identifier. */
#define I_(T,I) do { info->type = (T); info->inst = (I); } while(0)
#define O_(T,I) do { WARN_ON(inst); I_(T, I); } while (0)
switch (type) {
case 0x00000000: O_(NVKM_ENGINE_GR , 0); break;
case 0x0000000d: O_(NVKM_ENGINE_SEC2 , 0); break;
case 0x0000000e: I_(NVKM_ENGINE_NVENC , inst); break;
case 0x00000010: I_(NVKM_ENGINE_NVDEC , inst); break;
case 0x00000012: I_(NVKM_SUBDEV_IOCTRL, inst); break;
case 0x00000013: I_(NVKM_ENGINE_CE , inst); break;
case 0x00000014: O_(NVKM_SUBDEV_GSP , 0); break;
case 0x00000015: I_(NVKM_ENGINE_NVJPG , inst); break;
case 0x00000016: O_(NVKM_ENGINE_OFA , 0); break;
case 0x00000017: O_(NVKM_SUBDEV_FLA , 0); break;
break;
default:
break;
}
nvkm_debug(subdev, "%02x.%d (%8s): addr %06x fault %2d "
"runlist %6x engine %2d reset %2d\n", type, inst,
info->type == NVKM_SUBDEV_NR ? "????????" : nvkm_subdev_type[info->type],
info->addr, info->fault, info->runlist < 0 ? 0 : info->runlist,
info->engine, info->reset);
info = NULL;
}
return 0;
}
static const struct nvkm_top_func
ga100_top = {
.parse = ga100_top_parse,
};
int
ga100_top_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
struct nvkm_top **ptop)
{
if (nvkm_gsp_rm(device->gsp))
return -ENODEV;
return nvkm_top_new_(&ga100_top, device, type, inst, ptop);
}
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