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/*
* 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 <subdev/timer.h>
#include <nvif/class.h>
static const struct nvkm_bitfield nv50_gr_status[] = {
{ 0x00000001, "BUSY" }, /* set when any bit is set */
{ 0x00000002, "DISPATCH" },
{ 0x00000004, "UNK2" },
{ 0x00000008, "UNK3" },
{ 0x00000010, "UNK4" },
{ 0x00000020, "UNK5" },
{ 0x00000040, "M2MF" },
{ 0x00000080, "UNK7" },
{ 0x00000100, "CTXPROG" },
{ 0x00000200, "VFETCH" },
{ 0x00000400, "CCACHE_PREGEOM" },
{ 0x00000800, "STRMOUT_VATTR_POSTGEOM" },
{ 0x00001000, "VCLIP" },
{ 0x00002000, "RATTR_APLANE" },
{ 0x00004000, "TRAST" },
{ 0x00008000, "CLIPID" },
{ 0x00010000, "ZCULL" },
{ 0x00020000, "ENG2D" },
{ 0x00040000, "RMASK" },
{ 0x00080000, "TPC_RAST" },
{ 0x00100000, "TPC_PROP" },
{ 0x00200000, "TPC_TEX" },
{ 0x00400000, "TPC_GEOM" },
{ 0x00800000, "TPC_MP" },
{ 0x01000000, "ROP" },
{}
};
static const struct nvkm_bitfield
nv50_gr_vstatus_0[] = {
{ 0x01, "VFETCH" },
{ 0x02, "CCACHE" },
{ 0x04, "PREGEOM" },
{ 0x08, "POSTGEOM" },
{ 0x10, "VATTR" },
{ 0x20, "STRMOUT" },
{ 0x40, "VCLIP" },
{}
};
static const struct nvkm_bitfield
nv50_gr_vstatus_1[] = {
{ 0x01, "TPC_RAST" },
{ 0x02, "TPC_PROP" },
{ 0x04, "TPC_TEX" },
{ 0x08, "TPC_GEOM" },
{ 0x10, "TPC_MP" },
{}
};
static const struct nvkm_bitfield
nv50_gr_vstatus_2[] = {
{ 0x01, "RATTR" },
{ 0x02, "APLANE" },
{ 0x04, "TRAST" },
{ 0x08, "CLIPID" },
{ 0x10, "ZCULL" },
{ 0x20, "ENG2D" },
{ 0x40, "RMASK" },
{ 0x80, "ROP" },
{}
};
static void
nvkm_gr_vstatus_print(struct nv50_gr *gr, int r,
const struct nvkm_bitfield *units, u32 status)
{
struct nvkm_subdev *subdev = &gr->base.engine.subdev;
u32 stat = status;
u8 mask = 0x00;
char msg[64];
int i;
for (i = 0; units[i].name && status; i++) {
if ((status & 7) == 1)
mask |= (1 << i);
status >>= 3;
}
nvkm_snprintbf(msg, sizeof(msg), units, mask);
nvkm_error(subdev, "PGRAPH_VSTATUS%d: %08x [%s]\n", r, stat, msg);
}
int
g84_gr_tlb_flush(struct nvkm_gr *base)
{
struct nv50_gr *gr = nv50_gr(base);
struct nvkm_subdev *subdev = &gr->base.engine.subdev;
struct nvkm_device *device = subdev->device;
struct nvkm_timer *tmr = device->timer;
bool idle, timeout = false;
unsigned long flags;
char status[128];
u64 start;
u32 tmp;
spin_lock_irqsave(&gr->lock, flags);
nvkm_mask(device, 0x400500, 0x00000001, 0x00000000);
start = nvkm_timer_read(tmr);
do {
idle = true;
for (tmp = nvkm_rd32(device, 0x400380); tmp && idle; tmp >>= 3) {
if ((tmp & 7) == 1)
idle = false;
}
for (tmp = nvkm_rd32(device, 0x400384); tmp && idle; tmp >>= 3) {
if ((tmp & 7) == 1)
idle = false;
}
for (tmp = nvkm_rd32(device, 0x400388); tmp && idle; tmp >>= 3) {
if ((tmp & 7) == 1)
idle = false;
}
} while (!idle &&
!(timeout = nvkm_timer_read(tmr) - start > 2000000000));
if (timeout) {
nvkm_error(subdev, "PGRAPH TLB flush idle timeout fail\n");
tmp = nvkm_rd32(device, 0x400700);
nvkm_snprintbf(status, sizeof(status), nv50_gr_status, tmp);
nvkm_error(subdev, "PGRAPH_STATUS %08x [%s]\n", tmp, status);
nvkm_gr_vstatus_print(gr, 0, nv50_gr_vstatus_0,
nvkm_rd32(device, 0x400380));
nvkm_gr_vstatus_print(gr, 1, nv50_gr_vstatus_1,
nvkm_rd32(device, 0x400384));
nvkm_gr_vstatus_print(gr, 2, nv50_gr_vstatus_2,
nvkm_rd32(device, 0x400388));
}
nvkm_wr32(device, 0x100c80, 0x00000001);
nvkm_msec(device, 2000,
if (!(nvkm_rd32(device, 0x100c80) & 0x00000001))
break;
);
nvkm_mask(device, 0x400500, 0x00000001, 0x00000001);
spin_unlock_irqrestore(&gr->lock, flags);
return timeout ? -EBUSY : 0;
}
static const struct nvkm_gr_func
g84_gr = {
.init = nv50_gr_init,
.intr = nv50_gr_intr,
.chan_new = nv50_gr_chan_new,
.tlb_flush = g84_gr_tlb_flush,
.units = nv50_gr_units,
.sclass = {
{ -1, -1, NV_NULL_CLASS, &nv50_gr_object },
{ -1, -1, NV50_TWOD, &nv50_gr_object },
{ -1, -1, NV50_MEMORY_TO_MEMORY_FORMAT, &nv50_gr_object },
{ -1, -1, NV50_COMPUTE, &nv50_gr_object },
{ -1, -1, G82_TESLA, &nv50_gr_object },
{}
}
};
int
g84_gr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_gr **pgr)
{
return nv50_gr_new_(&g84_gr, device, type, inst, pgr);
}