mirror of
https://github.com/torvalds/linux.git
synced 2024-12-28 13:51:44 +00:00
6c320fef58
It may not be necessary to fail in certain cases (such as failing to idle) on module unload, whereas on suspend it's important to ensure a consistent state can be restored on resume. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
227 lines
6.3 KiB
C
227 lines
6.3 KiB
C
/*
|
|
* Copyright 2011 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 <linux/firmware.h>
|
|
#include "drmP.h"
|
|
#include "nouveau_drv.h"
|
|
#include "nouveau_util.h"
|
|
#include "nouveau_vm.h"
|
|
#include "nouveau_ramht.h"
|
|
#include "nva3_copy.fuc.h"
|
|
|
|
struct nva3_copy_engine {
|
|
struct nouveau_exec_engine base;
|
|
};
|
|
|
|
static int
|
|
nva3_copy_context_new(struct nouveau_channel *chan, int engine)
|
|
{
|
|
struct drm_device *dev = chan->dev;
|
|
struct drm_nouveau_private *dev_priv = dev->dev_private;
|
|
struct nouveau_gpuobj *ramin = chan->ramin;
|
|
struct nouveau_gpuobj *ctx = NULL;
|
|
int ret;
|
|
|
|
NV_DEBUG(dev, "ch%d\n", chan->id);
|
|
|
|
ret = nouveau_gpuobj_new(dev, chan, 256, 0, NVOBJ_FLAG_ZERO_ALLOC |
|
|
NVOBJ_FLAG_ZERO_FREE, &ctx);
|
|
if (ret)
|
|
return ret;
|
|
|
|
nv_wo32(ramin, 0xc0, 0x00190000);
|
|
nv_wo32(ramin, 0xc4, ctx->vinst + ctx->size - 1);
|
|
nv_wo32(ramin, 0xc8, ctx->vinst);
|
|
nv_wo32(ramin, 0xcc, 0x00000000);
|
|
nv_wo32(ramin, 0xd0, 0x00000000);
|
|
nv_wo32(ramin, 0xd4, 0x00000000);
|
|
dev_priv->engine.instmem.flush(dev);
|
|
|
|
atomic_inc(&chan->vm->engref[engine]);
|
|
chan->engctx[engine] = ctx;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
nva3_copy_object_new(struct nouveau_channel *chan, int engine,
|
|
u32 handle, u16 class)
|
|
{
|
|
struct nouveau_gpuobj *ctx = chan->engctx[engine];
|
|
|
|
/* fuc engine doesn't need an object, our ramht code does.. */
|
|
ctx->engine = 3;
|
|
ctx->class = class;
|
|
return nouveau_ramht_insert(chan, handle, ctx);
|
|
}
|
|
|
|
static void
|
|
nva3_copy_context_del(struct nouveau_channel *chan, int engine)
|
|
{
|
|
struct nouveau_gpuobj *ctx = chan->engctx[engine];
|
|
struct drm_device *dev = chan->dev;
|
|
u32 inst;
|
|
|
|
inst = (chan->ramin->vinst >> 12);
|
|
inst |= 0x40000000;
|
|
|
|
/* disable fifo access */
|
|
nv_wr32(dev, 0x104048, 0x00000000);
|
|
/* mark channel as unloaded if it's currently active */
|
|
if (nv_rd32(dev, 0x104050) == inst)
|
|
nv_mask(dev, 0x104050, 0x40000000, 0x00000000);
|
|
/* mark next channel as invalid if it's about to be loaded */
|
|
if (nv_rd32(dev, 0x104054) == inst)
|
|
nv_mask(dev, 0x104054, 0x40000000, 0x00000000);
|
|
/* restore fifo access */
|
|
nv_wr32(dev, 0x104048, 0x00000003);
|
|
|
|
for (inst = 0xc0; inst <= 0xd4; inst += 4)
|
|
nv_wo32(chan->ramin, inst, 0x00000000);
|
|
|
|
nouveau_gpuobj_ref(NULL, &ctx);
|
|
|
|
atomic_dec(&chan->vm->engref[engine]);
|
|
chan->engctx[engine] = ctx;
|
|
}
|
|
|
|
static void
|
|
nva3_copy_tlb_flush(struct drm_device *dev, int engine)
|
|
{
|
|
nv50_vm_flush_engine(dev, 0x0d);
|
|
}
|
|
|
|
static int
|
|
nva3_copy_init(struct drm_device *dev, int engine)
|
|
{
|
|
int i;
|
|
|
|
nv_mask(dev, 0x000200, 0x00002000, 0x00000000);
|
|
nv_mask(dev, 0x000200, 0x00002000, 0x00002000);
|
|
nv_wr32(dev, 0x104014, 0xffffffff); /* disable all interrupts */
|
|
|
|
/* upload ucode */
|
|
nv_wr32(dev, 0x1041c0, 0x01000000);
|
|
for (i = 0; i < sizeof(nva3_pcopy_data) / 4; i++)
|
|
nv_wr32(dev, 0x1041c4, nva3_pcopy_data[i]);
|
|
|
|
nv_wr32(dev, 0x104180, 0x01000000);
|
|
for (i = 0; i < sizeof(nva3_pcopy_code) / 4; i++) {
|
|
if ((i & 0x3f) == 0)
|
|
nv_wr32(dev, 0x104188, i >> 6);
|
|
nv_wr32(dev, 0x104184, nva3_pcopy_code[i]);
|
|
}
|
|
|
|
/* start it running */
|
|
nv_wr32(dev, 0x10410c, 0x00000000);
|
|
nv_wr32(dev, 0x104104, 0x00000000); /* ENTRY */
|
|
nv_wr32(dev, 0x104100, 0x00000002); /* TRIGGER */
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
nva3_copy_fini(struct drm_device *dev, int engine, bool suspend)
|
|
{
|
|
nv_mask(dev, 0x104048, 0x00000003, 0x00000000);
|
|
|
|
/* trigger fuc context unload */
|
|
nv_wait(dev, 0x104008, 0x0000000c, 0x00000000);
|
|
nv_mask(dev, 0x104054, 0x40000000, 0x00000000);
|
|
nv_wr32(dev, 0x104000, 0x00000008);
|
|
nv_wait(dev, 0x104008, 0x00000008, 0x00000000);
|
|
|
|
nv_wr32(dev, 0x104014, 0xffffffff);
|
|
return 0;
|
|
}
|
|
|
|
static struct nouveau_enum nva3_copy_isr_error_name[] = {
|
|
{ 0x0001, "ILLEGAL_MTHD" },
|
|
{ 0x0002, "INVALID_ENUM" },
|
|
{ 0x0003, "INVALID_BITFIELD" },
|
|
{}
|
|
};
|
|
|
|
static void
|
|
nva3_copy_isr(struct drm_device *dev)
|
|
{
|
|
u32 dispatch = nv_rd32(dev, 0x10401c);
|
|
u32 stat = nv_rd32(dev, 0x104008) & dispatch & ~(dispatch >> 16);
|
|
u32 inst = nv_rd32(dev, 0x104050) & 0x3fffffff;
|
|
u32 ssta = nv_rd32(dev, 0x104040) & 0x0000ffff;
|
|
u32 addr = nv_rd32(dev, 0x104040) >> 16;
|
|
u32 mthd = (addr & 0x07ff) << 2;
|
|
u32 subc = (addr & 0x3800) >> 11;
|
|
u32 data = nv_rd32(dev, 0x104044);
|
|
int chid = nv50_graph_isr_chid(dev, inst);
|
|
|
|
if (stat & 0x00000040) {
|
|
NV_INFO(dev, "PCOPY: DISPATCH_ERROR [");
|
|
nouveau_enum_print(nva3_copy_isr_error_name, ssta);
|
|
printk("] ch %d [0x%08x] subc %d mthd 0x%04x data 0x%08x\n",
|
|
chid, inst, subc, mthd, data);
|
|
nv_wr32(dev, 0x104004, 0x00000040);
|
|
stat &= ~0x00000040;
|
|
}
|
|
|
|
if (stat) {
|
|
NV_INFO(dev, "PCOPY: unhandled intr 0x%08x\n", stat);
|
|
nv_wr32(dev, 0x104004, stat);
|
|
}
|
|
nv50_fb_vm_trap(dev, 1);
|
|
}
|
|
|
|
static void
|
|
nva3_copy_destroy(struct drm_device *dev, int engine)
|
|
{
|
|
struct nva3_copy_engine *pcopy = nv_engine(dev, engine);
|
|
|
|
nouveau_irq_unregister(dev, 22);
|
|
|
|
NVOBJ_ENGINE_DEL(dev, COPY0);
|
|
kfree(pcopy);
|
|
}
|
|
|
|
int
|
|
nva3_copy_create(struct drm_device *dev)
|
|
{
|
|
struct nva3_copy_engine *pcopy;
|
|
|
|
pcopy = kzalloc(sizeof(*pcopy), GFP_KERNEL);
|
|
if (!pcopy)
|
|
return -ENOMEM;
|
|
|
|
pcopy->base.destroy = nva3_copy_destroy;
|
|
pcopy->base.init = nva3_copy_init;
|
|
pcopy->base.fini = nva3_copy_fini;
|
|
pcopy->base.context_new = nva3_copy_context_new;
|
|
pcopy->base.context_del = nva3_copy_context_del;
|
|
pcopy->base.object_new = nva3_copy_object_new;
|
|
pcopy->base.tlb_flush = nva3_copy_tlb_flush;
|
|
|
|
nouveau_irq_register(dev, 22, nva3_copy_isr);
|
|
|
|
NVOBJ_ENGINE_ADD(dev, COPY0, &pcopy->base);
|
|
NVOBJ_CLASS(dev, 0x85b5, COPY0);
|
|
return 0;
|
|
}
|