gp100.c

  1/*
  2 * Copyright 2012 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
 23 */
 24#include "priv.h"
 25
 26#include <subdev/gsp.h>
 27
 28const struct nvkm_intr_data
 29gp100_mc_intrs[] = {
 30	{ NVKM_ENGINE_DISP    , 0, 0, 0x04000000, true },
 31	{ NVKM_ENGINE_FIFO    , 0, 0, 0x00000100 },
 32	{ NVKM_SUBDEV_FAULT   , 0, 0, 0x00000200, true },
 33	{ NVKM_SUBDEV_PRIVRING, 0, 0, 0x40000000, true },
 34	{ NVKM_SUBDEV_BUS     , 0, 0, 0x10000000, true },
 35	{ NVKM_SUBDEV_FB      , 0, 0, 0x08002000, true },
 36	{ NVKM_SUBDEV_LTC     , 0, 0, 0x02000000, true },
 37	{ NVKM_SUBDEV_PMU     , 0, 0, 0x01000000, true },
 38	{ NVKM_SUBDEV_GPIO    , 0, 0, 0x00200000, true },
 39	{ NVKM_SUBDEV_I2C     , 0, 0, 0x00200000, true },
 40	{ NVKM_SUBDEV_TIMER   , 0, 0, 0x00100000, true },
 41	{ NVKM_SUBDEV_THERM   , 0, 0, 0x00040000, true },
 42	{ NVKM_SUBDEV_TOP     , 0, 0, 0x00009000 },
 43	{ NVKM_SUBDEV_TOP     , 0, 0, 0xffff6fff, true },
 44	{},
 45};
 46
 47static void
 48gp100_mc_intr_allow(struct nvkm_intr *intr, int leaf, u32 mask)
 49{
 50	struct nvkm_mc *mc = container_of(intr, typeof(*mc), intr);
 51
 52	nvkm_wr32(mc->subdev.device, 0x000160 + (leaf * 4), mask);
 53}
 54
 55static void
 56gp100_mc_intr_block(struct nvkm_intr *intr, int leaf, u32 mask)
 57{
 58	struct nvkm_mc *mc = container_of(intr, typeof(*mc), intr);
 59
 60	nvkm_wr32(mc->subdev.device, 0x000180 + (leaf * 4), mask);
 61}
 62
 63static void
 64gp100_mc_intr_rearm(struct nvkm_intr *intr)
 65{
 66	int i;
 67
 68	for (i = 0; i < intr->leaves; i++)
 69		intr->func->allow(intr, i, intr->mask[i]);
 70}
 71
 72static void
 73gp100_mc_intr_unarm(struct nvkm_intr *intr)
 74{
 75	int i;
 76
 77	for (i = 0; i < intr->leaves; i++)
 78		intr->func->block(intr, i, 0xffffffff);
 79}
 80
 81const struct nvkm_intr_func
 82gp100_mc_intr = {
 83	.pending = nv04_mc_intr_pending,
 84	.unarm = gp100_mc_intr_unarm,
 85	.rearm = gp100_mc_intr_rearm,
 86	.block = gp100_mc_intr_block,
 87	.allow = gp100_mc_intr_allow,
 88};
 89
 90static const struct nvkm_mc_func
 91gp100_mc = {
 92	.init = nv50_mc_init,
 93	.intr = &gp100_mc_intr,
 94	.intrs = gp100_mc_intrs,
 95	.intr_nonstall = true,
 96	.device = &nv04_mc_device,
 97	.reset = gk104_mc_reset,
 98};
 99
100int
101gp100_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
102{
103	if (nvkm_gsp_rm(device->gsp))
104		return -ENODEV;
105
106	return nvkm_mc_new_(&gp100_mc, device, type, inst, pmc);
107}