/*
* Copyright 2012 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.
*
* Authors: Ben Skeggs
*/
#include "nv50.h"
#include "ram.h"
#include <core/client.h>
#include <core/enum.h>
#include <engine/fifo.h>
static int
nv50_fb_ram_new(struct nvkm_fb *base, struct nvkm_ram **pram)
{
struct nv50_fb *fb = nv50_fb(base);
return fb->func->ram_new(&fb->base, pram);
}
static const struct nvkm_enum vm_dispatch_subclients[] = {
{ 0x00000000, "GRCTX" },
{ 0x00000001, "NOTIFY" },
{ 0x00000002, "QUERY" },
{ 0x00000003, "COND" },
{ 0x00000004, "M2M_IN" },
{ 0x00000005, "M2M_OUT" },
{ 0x00000006, "M2M_NOTIFY" },
{}
};
static const struct nvkm_enum vm_ccache_subclients[] = {
{ 0x00000000, "CB" },
{ 0x00000001, "TIC" },
{ 0x00000002, "TSC" },
{}
};
static const struct nvkm_enum vm_prop_subclients[] = {
{ 0x00000000, "RT0" },
{ 0x00000001, "RT1" },
{ 0x00000002, "RT2" },
{ 0x00000003, "RT3" },
{ 0x00000004, "RT4" },
{ 0x00000005, "RT5" },
{ 0x00000006, "RT6" },
{ 0x00000007, "RT7" },
{ 0x00000008, "ZETA" },
{ 0x00000009, "LOCAL" },
{ 0x0000000a, "GLOBAL" },
{ 0x0000000b, "STACK" },
{ 0x0000000c, "DST2D" },
{}
};
static const struct nvkm_enum vm_pfifo_subclients[] = {
{ 0x00000000, "PUSHBUF" },
{ 0x00000001, "SEMAPHORE" },
{}
};
static const struct nvkm_enum vm_bar_subclients[] = {
{ 0x00000000, "FB" },
{ 0x00000001, "IN" },
{}
};
static const struct nvkm_enum vm_client[] = {
{ 0x00000000, "STRMOUT" },
{ 0x00000003, "DISPATCH", vm_dispatch_subclients },
{ 0x00000004, "PFIFO_WRITE" },
{ 0x00000005, "CCACHE", vm_ccache_subclients },
{ 0x00000006, "PMSPPP" },
{ 0x00000007, "CLIPID" },
{ 0x00000008, "PFIFO_READ" },
{ 0x00000009, "VFETCH" },
{ 0x0000000a, "TEXTURE" },
{ 0x0000000b, "PROP", vm_prop_subclients },
{ 0x0000000c, "PVP" },
{ 0x0000000d, "PBSP" },
{ 0x0000000e, "PCRYPT" },
{ 0x0000000f, "PCOUNTER" },
{ 0x00000011, "PDAEMON" },
{}
};
static const struct nvkm_enum vm_engine[] = {
{ 0x00000000, "PGRAPH" },
{ 0x00000001, "PVP" },
{ 0x00000004, "PEEPHOLE" },
{ 0x00000005, "PFIFO", vm_pfifo_subclients },
{ 0x00000006, "BAR", vm_bar_subclients },
{ 0x00000008, "PMSPPP" },
{ 0x00000008, "PMPEG" },
{ 0x00000009, "PBSP" },
{ 0x0000000a, "PCRYPT" },
{ 0x0000000b, "PCOUNTER" },
{ 0x0000000c, "SEMAPHORE_BG" },
{ 0x0000000d, "PCE0" },
{ 0x0000000e, "PMU" },
{}
};
static const struct nvkm_enum vm_fault[] = {
{ 0x00000000, "PT_NOT_PRESENT" },
{ 0x00000001, "PT_TOO_SHORT" },
{ 0x00000002, "PAGE_NOT_PRESENT" },
{ 0x00000003, "PAGE_SYSTEM_ONLY" },
{ 0x00000004, "PAGE_READ_ONLY" },
{ 0x00000006, "NULL_DMAOBJ" },
{ 0x00000007, "WRONG_MEMTYPE" },
{ 0x0000000b, "VRAM_LIMIT" },
{ 0x0000000f, "DMAOBJ_LIMIT" },
{}
};
static void
nv50_fb_intr(struct nvkm_fb *base)
{
struct nv50_fb *fb = nv50_fb(base);
struct nvkm_subdev *subdev = &fb->base.subdev;
struct nvkm_device *device = subdev->device;
struct nvkm_chan *chan;
const struct nvkm_enum *en, *re, *cl, *sc;
u32 trap[6], idx, inst;
u8 st0, st1, st2, st3;
unsigned long flags;
int i;
idx = nvkm_rd32(device, 0x100c90);
if (!(idx & 0x80000000))
return;
idx &= 0x00ffffff;
for (i = 0; i < 6; i++) {
nvkm_wr32(device, 0x100c90, idx | i << 24);
trap[i] = nvkm_rd32(device, 0x100c94);
}
nvkm_wr32(device, 0x100c90, idx | 0x80000000);
/* decode status bits into something more useful */
if (device->chipset < 0xa3 ||
device->chipset == 0xaa || device->chipset == 0xac) {
st0 = (trap[0] & 0x0000000f) >> 0;
st1 = (trap[0] & 0x000000f0) >> 4;
st2 = (trap[0] & 0x00000f00) >> 8;
st3 = (trap[0] & 0x0000f000) >> 12;
} else {
st0 = (trap[0] & 0x000000ff) >> 0;
st1 = (trap[0] & 0x0000ff00) >> 8;
st2 = (trap[0] & 0x00ff0000) >> 16;
st3 = (trap[0] & 0xff000000) >> 24;
}
inst = ((trap[2] << 16) | trap[1]) << 12;
en = nvkm_enum_find(vm_engine, st0);
re = nvkm_enum_find(vm_fault , st1);
cl = nvkm_enum_find(vm_client, st2);
if (cl && cl->data) sc = nvkm_enum_find(cl->data, st3);
else if (en && en->data) sc = nvkm_enum_find(en->data, st3);
else sc = NULL;
chan = nvkm_chan_get_inst(&device->fifo->engine, inst, &flags);
nvkm_error(subdev, "trapped %s at %02x%04x%04x on channel %d [%08x %s] "
"engine %02x [%s] client %02x [%s] "
"subclient %02x [%s] reason %08x [%s]\n",
(trap[5] & 0x00000100) ? "read" : "write",
trap[5] & 0xff, trap[4] & 0xffff, trap[3] & 0xffff,
chan ? chan->id : -1, inst,
chan ? chan->name : "unknown",
st0, en ? en->name : "",
st2, cl ? cl->name : "", st3, sc ? sc->name : "",
st1, re ? re->name : "");
nvkm_chan_put(&chan, flags);
}
static void
nv50_fb_init(struct nvkm_fb *base)
{
struct nv50_fb *fb = nv50_fb(base);
struct nvkm_device *device = fb->base.subdev.device;
/* This is needed to get meaningful information from 100c90
* on traps. No idea what these values mean exactly. */
nvkm_wr32(device, 0x100c90, fb->func->trap);
}
static u32
nv50_fb_tags(struct nvkm_fb *base)
{
struct nv50_fb *fb = nv50_fb(base);
if (fb->func->tags)
return fb->func->tags(&fb->base);
return 0;
}
static void
nv50_fb_sysmem_flush_page_init(struct nvkm_fb *fb)
{
nvkm_wr32(fb->subdev.device, 0x100c08, fb->sysmem.flush_page_addr >> 8);
}
static void *
nv50_fb_dtor(struct nvkm_fb *base)
{
struct nv50_fb *fb = nv50_fb(base);
return fb;
}
static const struct nvkm_fb_func
nv50_fb_ = {
.dtor = nv50_fb_dtor,
.tags = nv50_fb_tags,
.init = nv50_fb_init,
.intr = nv50_fb_intr,
.sysmem.flush_page_init = nv50_fb_sysmem_flush_page_init,
.ram_new = nv50_fb_ram_new,
};
int
nv50_fb_new_(const struct nv50_fb_func *func, struct nvkm_device *device,
enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)
{
struct nv50_fb *fb;
if (!(fb = kzalloc(sizeof(*fb), GFP_KERNEL)))
return -ENOMEM;
nvkm_fb_ctor(&nv50_fb_, device, type, inst, &fb->base);
fb->func = func;
*pfb = &fb->base;
return 0;
}
static const struct nv50_fb_func
nv50_fb = {
.ram_new = nv50_ram_new,
.tags = nv20_fb_tags,
.trap = 0x000707ff,
};
int
nv50_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)
{
return nv50_fb_new_(&nv50_fb, device, type, inst, pfb);
}
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