blob: 7ffb8a626196c82975bbf423e74ac6a9abf0c18f [file] [log] [blame]
/*
* Copyright (c) 2014-2015, NVIDIA CORPORATION. All rights reserved.
*
* 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 AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#include "gf100.h"
#include "ctxgf100.h"
#include <subdev/timer.h>
#include <nvif/class.h>
struct gk20a_fw_av
{
u32 addr;
u32 data;
};
int
gk20a_gr_av_to_init(struct gf100_gr *gr, const char *fw_name,
struct gf100_gr_pack **ppack)
{
struct gf100_gr_fuc fuc;
struct gf100_gr_init *init;
struct gf100_gr_pack *pack;
int nent;
int ret;
int i;
ret = gf100_gr_ctor_fw(gr, fw_name, &fuc);
if (ret)
return ret;
nent = (fuc.size / sizeof(struct gk20a_fw_av));
pack = vzalloc((sizeof(*pack) * 2) + (sizeof(*init) * (nent + 1)));
if (!pack) {
ret = -ENOMEM;
goto end;
}
init = (void *)(pack + 2);
pack[0].init = init;
for (i = 0; i < nent; i++) {
struct gf100_gr_init *ent = &init[i];
struct gk20a_fw_av *av = &((struct gk20a_fw_av *)fuc.data)[i];
ent->addr = av->addr;
ent->data = av->data;
ent->count = 1;
ent->pitch = 1;
}
*ppack = pack;
end:
gf100_gr_dtor_fw(&fuc);
return ret;
}
struct gk20a_fw_aiv
{
u32 addr;
u32 index;
u32 data;
};
int
gk20a_gr_aiv_to_init(struct gf100_gr *gr, const char *fw_name,
struct gf100_gr_pack **ppack)
{
struct gf100_gr_fuc fuc;
struct gf100_gr_init *init;
struct gf100_gr_pack *pack;
int nent;
int ret;
int i;
ret = gf100_gr_ctor_fw(gr, fw_name, &fuc);
if (ret)
return ret;
nent = (fuc.size / sizeof(struct gk20a_fw_aiv));
pack = vzalloc((sizeof(*pack) * 2) + (sizeof(*init) * (nent + 1)));
if (!pack) {
ret = -ENOMEM;
goto end;
}
init = (void *)(pack + 2);
pack[0].init = init;
for (i = 0; i < nent; i++) {
struct gf100_gr_init *ent = &init[i];
struct gk20a_fw_aiv *av = &((struct gk20a_fw_aiv *)fuc.data)[i];
ent->addr = av->addr;
ent->data = av->data;
ent->count = 1;
ent->pitch = 1;
}
*ppack = pack;
end:
gf100_gr_dtor_fw(&fuc);
return ret;
}
int
gk20a_gr_av_to_method(struct gf100_gr *gr, const char *fw_name,
struct gf100_gr_pack **ppack)
{
struct gf100_gr_fuc fuc;
struct gf100_gr_init *init;
struct gf100_gr_pack *pack;
/* We don't suppose we will initialize more than 16 classes here... */
static const unsigned int max_classes = 16;
u32 classidx = 0, prevclass = 0;
int nent;
int ret;
int i;
ret = gf100_gr_ctor_fw(gr, fw_name, &fuc);
if (ret)
return ret;
nent = (fuc.size / sizeof(struct gk20a_fw_av));
pack = vzalloc((sizeof(*pack) * max_classes) +
(sizeof(*init) * (nent + 1)));
if (!pack) {
ret = -ENOMEM;
goto end;
}
init = (void *)(pack + max_classes);
for (i = 0; i < nent; i++) {
struct gf100_gr_init *ent = &init[i];
struct gk20a_fw_av *av = &((struct gk20a_fw_av *)fuc.data)[i];
u32 class = av->addr & 0xffff;
u32 addr = (av->addr & 0xffff0000) >> 14;
if (prevclass != class) {
pack[classidx].init = ent;
pack[classidx].type = class;
prevclass = class;
if (++classidx >= max_classes) {
vfree(pack);
ret = -ENOSPC;
goto end;
}
}
ent->addr = addr;
ent->data = av->data;
ent->count = 1;
ent->pitch = 1;
}
*ppack = pack;
end:
gf100_gr_dtor_fw(&fuc);
return ret;
}
static int
gk20a_gr_wait_mem_scrubbing(struct gf100_gr *gr)
{
struct nvkm_subdev *subdev = &gr->base.engine.subdev;
struct nvkm_device *device = subdev->device;
if (nvkm_msec(device, 2000,
if (!(nvkm_rd32(device, 0x40910c) & 0x00000006))
break;
) < 0) {
nvkm_error(subdev, "FECS mem scrubbing timeout\n");
return -ETIMEDOUT;
}
if (nvkm_msec(device, 2000,
if (!(nvkm_rd32(device, 0x41a10c) & 0x00000006))
break;
) < 0) {
nvkm_error(subdev, "GPCCS mem scrubbing timeout\n");
return -ETIMEDOUT;
}
return 0;
}
static void
gk20a_gr_set_hww_esr_report_mask(struct gf100_gr *gr)
{
struct nvkm_device *device = gr->base.engine.subdev.device;
nvkm_wr32(device, 0x419e44, 0x1ffffe);
nvkm_wr32(device, 0x419e4c, 0x7f);
}
int
gk20a_gr_init(struct gf100_gr *gr)
{
struct nvkm_device *device = gr->base.engine.subdev.device;
const u32 magicgpc918 = DIV_ROUND_UP(0x00800000, gr->tpc_total);
u32 data[TPC_MAX / 8] = {};
u8 tpcnr[GPC_MAX];
int gpc, tpc;
int ret, i;
/* Clear SCC RAM */
nvkm_wr32(device, 0x40802c, 0x1);
gf100_gr_mmio(gr, gr->fuc_sw_nonctx);
ret = gk20a_gr_wait_mem_scrubbing(gr);
if (ret)
return ret;
ret = gf100_gr_wait_idle(gr);
if (ret)
return ret;
/* MMU debug buffer */
nvkm_wr32(device, 0x100cc8, nvkm_memory_addr(gr->unk4188b4) >> 8);
nvkm_wr32(device, 0x100ccc, nvkm_memory_addr(gr->unk4188b8) >> 8);
if (gr->func->init_gpc_mmu)
gr->func->init_gpc_mmu(gr);
/* Set the PE as stream master */
nvkm_mask(device, 0x503018, 0x1, 0x1);
/* Zcull init */
memset(data, 0x00, sizeof(data));
memcpy(tpcnr, gr->tpc_nr, sizeof(gr->tpc_nr));
for (i = 0, gpc = -1; i < gr->tpc_total; i++) {
do {
gpc = (gpc + 1) % gr->gpc_nr;
} while (!tpcnr[gpc]);
tpc = gr->tpc_nr[gpc] - tpcnr[gpc]--;
data[i / 8] |= tpc << ((i % 8) * 4);
}
nvkm_wr32(device, GPC_BCAST(0x0980), data[0]);
nvkm_wr32(device, GPC_BCAST(0x0984), data[1]);
nvkm_wr32(device, GPC_BCAST(0x0988), data[2]);
nvkm_wr32(device, GPC_BCAST(0x098c), data[3]);
for (gpc = 0; gpc < gr->gpc_nr; gpc++) {
nvkm_wr32(device, GPC_UNIT(gpc, 0x0914),
gr->magic_not_rop_nr << 8 | gr->tpc_nr[gpc]);
nvkm_wr32(device, GPC_UNIT(gpc, 0x0910), 0x00040000 |
gr->tpc_total);
nvkm_wr32(device, GPC_UNIT(gpc, 0x0918), magicgpc918);
}
nvkm_wr32(device, GPC_BCAST(0x3fd4), magicgpc918);
/* Enable FIFO access */
nvkm_wr32(device, 0x400500, 0x00010001);
/* Enable interrupts */
nvkm_wr32(device, 0x400100, 0xffffffff);
nvkm_wr32(device, 0x40013c, 0xffffffff);
/* Enable FECS error interrupts */
nvkm_wr32(device, 0x409c24, 0x000f0000);
/* Enable hardware warning exceptions */
nvkm_wr32(device, 0x404000, 0xc0000000);
nvkm_wr32(device, 0x404600, 0xc0000000);
if (gr->func->set_hww_esr_report_mask)
gr->func->set_hww_esr_report_mask(gr);
/* Enable TPC exceptions per GPC */
nvkm_wr32(device, 0x419d0c, 0x2);
nvkm_wr32(device, 0x41ac94, (((1 << gr->tpc_total) - 1) & 0xff) << 16);
/* Reset and enable all exceptions */
nvkm_wr32(device, 0x400108, 0xffffffff);
nvkm_wr32(device, 0x400138, 0xffffffff);
nvkm_wr32(device, 0x400118, 0xffffffff);
nvkm_wr32(device, 0x400130, 0xffffffff);
nvkm_wr32(device, 0x40011c, 0xffffffff);
nvkm_wr32(device, 0x400134, 0xffffffff);
gf100_gr_zbc_init(gr);
return gf100_gr_init_ctxctl(gr);
}
static const struct gf100_gr_func
gk20a_gr = {
.init = gk20a_gr_init,
.set_hww_esr_report_mask = gk20a_gr_set_hww_esr_report_mask,
.ppc_nr = 1,
.grctx = &gk20a_grctx,
.sclass = {
{ -1, -1, FERMI_TWOD_A },
{ -1, -1, KEPLER_INLINE_TO_MEMORY_A },
{ -1, -1, KEPLER_C, &gf100_fermi },
{ -1, -1, KEPLER_COMPUTE_A },
{}
}
};
int
gk20a_gr_new(struct nvkm_device *device, int index, struct nvkm_gr **pgr)
{
struct gf100_gr *gr;
int ret;
if (!(gr = kzalloc(sizeof(*gr), GFP_KERNEL)))
return -ENOMEM;
*pgr = &gr->base;
ret = gf100_gr_ctor(&gk20a_gr, device, index, gr);
if (ret)
return ret;
if (gf100_gr_ctor_fw(gr, "fecs_inst", &gr->fuc409c) ||
gf100_gr_ctor_fw(gr, "fecs_data", &gr->fuc409d) ||
gf100_gr_ctor_fw(gr, "gpccs_inst", &gr->fuc41ac) ||
gf100_gr_ctor_fw(gr, "gpccs_data", &gr->fuc41ad))
return -ENODEV;
ret = gk20a_gr_av_to_init(gr, "sw_nonctx", &gr->fuc_sw_nonctx);
if (ret)
return ret;
ret = gk20a_gr_aiv_to_init(gr, "sw_ctx", &gr->fuc_sw_ctx);
if (ret)
return ret;
ret = gk20a_gr_av_to_init(gr, "sw_bundle_init", &gr->fuc_bundle);
if (ret)
return ret;
ret = gk20a_gr_av_to_method(gr, "sw_method_init", &gr->fuc_method);
if (ret)
return ret;
return 0;
}