gk104.c

  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 "priv.h"
 25
 26#include <subdev/gsp.h>
 27
 28static int
 29gk104_top_parse(struct nvkm_top *top)
 30{
 31	struct nvkm_subdev *subdev = &top->subdev;
 32	struct nvkm_device *device = subdev->device;
 33	struct nvkm_top_device *info = NULL;
 34	u32 data, type, inst;
 35	int i;
 36
 37	for (i = 0; i < 64; i++) {
 38		if (!info) {
 39			if (!(info = nvkm_top_device_new(top)))
 40				return -ENOMEM;
 41			type = ~0;
 42			inst = 0;
 43		}
 44
 45		data = nvkm_rd32(device, 0x022700 + (i * 0x04));
 46		nvkm_trace(subdev, "%02x: %08x\n", i, data);
 47		switch (data & 0x00000003) {
 48		case 0x00000000: /* NOT_VALID */
 49			continue;
 50		case 0x00000001: /* DATA */
 51			inst        = (data & 0x3c000000) >> 26;
 52			info->addr  = (data & 0x00fff000);
 53			if (data & 0x00000004)
 54				info->fault = (data & 0x000003f8) >> 3;
 55			break;
 56		case 0x00000002: /* ENUM */
 57			if (data & 0x00000020)
 58				info->engine  = (data & 0x3c000000) >> 26;
 59			if (data & 0x00000010)
 60				info->runlist = (data & 0x01e00000) >> 21;
 61			if (data & 0x00000008)
 62				info->intr    = (data & 0x000f8000) >> 15;
 63			if (data & 0x00000004)
 64				info->reset   = (data & 0x00003e00) >> 9;
 65			break;
 66		case 0x00000003: /* ENGINE_TYPE */
 67			type = (data & 0x7ffffffc) >> 2;
 68			break;
 69		}
 70
 71		if (data & 0x80000000)
 72			continue;
 73
 74		/* Translate engine type to NVKM engine identifier. */
 75#define I_(T,I) do { info->type = (T); info->inst = (I); } while(0)
 76#define O_(T,I) do { WARN_ON(inst); I_(T, I); } while (0)
 77		switch (type) {
 78		case 0x00000000: O_(NVKM_ENGINE_GR    ,    0); break;
 79		case 0x00000001: O_(NVKM_ENGINE_CE    ,    0); break;
 80		case 0x00000002: O_(NVKM_ENGINE_CE    ,    1); break;
 81		case 0x00000003: O_(NVKM_ENGINE_CE    ,    2); break;
 82		case 0x00000008: O_(NVKM_ENGINE_MSPDEC,    0); break;
 83		case 0x00000009: O_(NVKM_ENGINE_MSPPP ,    0); break;
 84		case 0x0000000a: O_(NVKM_ENGINE_MSVLD ,    0); break;
 85		case 0x0000000b: O_(NVKM_ENGINE_MSENC ,    0); break;
 86		case 0x0000000c: O_(NVKM_ENGINE_VIC   ,    0); break;
 87		case 0x0000000d: O_(NVKM_ENGINE_SEC2  ,    0); break;
 88		case 0x0000000e: I_(NVKM_ENGINE_NVENC , inst); break;
 89		case 0x0000000f: O_(NVKM_ENGINE_NVENC ,    1); break;
 90		case 0x00000010: I_(NVKM_ENGINE_NVDEC , inst); break;
 91		case 0x00000012: I_(NVKM_SUBDEV_IOCTRL, inst); break;
 92		case 0x00000013: I_(NVKM_ENGINE_CE    , inst); break;
 93		case 0x00000014: O_(NVKM_SUBDEV_GSP   ,    0); break;
 94		case 0x00000015: I_(NVKM_ENGINE_NVJPG , inst); break;
 95		default:
 96			break;
 97		}
 98
 99		nvkm_debug(subdev, "%02x.%d (%8s): addr %06x fault %2d "
100				   "engine %2d runlist %2d intr %2d "
101				   "reset %2d\n", type, inst,
102			   info->type == NVKM_SUBDEV_NR ? "????????" : nvkm_subdev_type[info->type],
103			   info->addr, info->fault, info->engine, info->runlist,
104			   info->intr, info->reset);
105		info = NULL;
106	}
107
108	return 0;
109}
110
111static const struct nvkm_top_func
112gk104_top = {
113	.parse = gk104_top_parse,
114};
115
116int
117gk104_top_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
118	      struct nvkm_top **ptop)
119{
120	if (nvkm_gsp_rm(device->gsp))
121		return -ENODEV;
122
123	return nvkm_top_new_(&gk104_top, device, type, inst, ptop);
124}