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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 "priv.h"
#include "ram.h"
#include <core/memory.h>
#include <core/option.h>
#include <subdev/bios.h>
#include <subdev/bios/M0203.h>
#include <engine/gr.h>
#include <engine/mpeg.h>
void
nvkm_fb_tile_fini(struct nvkm_fb *fb, int region, struct nvkm_fb_tile *tile)
{
fb->func->tile.fini(fb, region, tile);
}
void
nvkm_fb_tile_init(struct nvkm_fb *fb, int region, u32 addr, u32 size,
u32 pitch, u32 flags, struct nvkm_fb_tile *tile)
{
fb->func->tile.init(fb, region, addr, size, pitch, flags, tile);
}
void
nvkm_fb_tile_prog(struct nvkm_fb *fb, int region, struct nvkm_fb_tile *tile)
{
struct nvkm_device *device = fb->subdev.device;
if (fb->func->tile.prog) {
fb->func->tile.prog(fb, region, tile);
if (device->gr)
nvkm_engine_tile(&device->gr->engine, region);
if (device->mpeg)
nvkm_engine_tile(device->mpeg, region);
}
}
int
nvkm_fb_bios_memtype(struct nvkm_bios *bios)
{
struct nvkm_subdev *subdev = &bios->subdev;
struct nvkm_device *device = subdev->device;
const u8 ramcfg = (nvkm_rd32(device, 0x101000) & 0x0000003c) >> 2;
struct nvbios_M0203E M0203E;
u8 ver, hdr;
if (nvbios_M0203Em(bios, ramcfg, &ver, &hdr, &M0203E)) {
switch (M0203E.type) {
case M0203E_TYPE_DDR2 : return NVKM_RAM_TYPE_DDR2;
case M0203E_TYPE_DDR3 : return NVKM_RAM_TYPE_DDR3;
case M0203E_TYPE_GDDR3 : return NVKM_RAM_TYPE_GDDR3;
case M0203E_TYPE_GDDR5 : return NVKM_RAM_TYPE_GDDR5;
case M0203E_TYPE_GDDR5X: return NVKM_RAM_TYPE_GDDR5X;
case M0203E_TYPE_GDDR6 : return NVKM_RAM_TYPE_GDDR6;
case M0203E_TYPE_HBM2 : return NVKM_RAM_TYPE_HBM2;
default:
nvkm_warn(subdev, "M0203E type %02x\n", M0203E.type);
return NVKM_RAM_TYPE_UNKNOWN;
}
}
nvkm_warn(subdev, "M0203E not matched!\n");
return NVKM_RAM_TYPE_UNKNOWN;
}
static void
nvkm_fb_intr(struct nvkm_subdev *subdev)
{
struct nvkm_fb *fb = nvkm_fb(subdev);
if (fb->func->intr)
fb->func->intr(fb);
}
static int
nvkm_fb_oneinit(struct nvkm_subdev *subdev)
{
struct nvkm_fb *fb = nvkm_fb(subdev);
u32 tags = 0;
if (fb->func->ram_new) {
int ret = fb->func->ram_new(fb, &fb->ram);
if (ret) {
nvkm_error(subdev, "vram setup failed, %d\n", ret);
return ret;
}
}
if (fb->func->oneinit) {
int ret = fb->func->oneinit(fb);
if (ret)
return ret;
}
/* Initialise compression tag allocator.
*
* LTC oneinit() will override this on Fermi and newer.
*/
if (fb->func->tags) {
tags = fb->func->tags(fb);
nvkm_debug(subdev, "%d comptags\n", tags);
}
return nvkm_mm_init(&fb->tags.mm, 0, 0, tags, 1);
}
static int
nvkm_fb_init_scrub_vpr(struct nvkm_fb *fb)
{
struct nvkm_subdev *subdev = &fb->subdev;
int ret;
nvkm_debug(subdev, "VPR locked, running scrubber binary\n");
if (!fb->vpr_scrubber.size) {
nvkm_warn(subdev, "VPR locked, but no scrubber binary!\n");
return 0;
}
ret = fb->func->vpr.scrub(fb);
if (ret) {
nvkm_error(subdev, "VPR scrubber binary failed\n");
return ret;
}
if (fb->func->vpr.scrub_required(fb)) {
nvkm_error(subdev, "VPR still locked after scrub!\n");
return -EIO;
}
nvkm_debug(subdev, "VPR scrubber binary successful\n");
return 0;
}
static int
nvkm_fb_init(struct nvkm_subdev *subdev)
{
struct nvkm_fb *fb = nvkm_fb(subdev);
int ret, i;
if (fb->ram) {
ret = nvkm_ram_init(fb->ram);
if (ret)
return ret;
}
for (i = 0; i < fb->tile.regions; i++)
fb->func->tile.prog(fb, i, &fb->tile.region[i]);
if (fb->func->init)
fb->func->init(fb);
if (fb->func->init_remapper)
fb->func->init_remapper(fb);
if (fb->func->init_page) {
ret = fb->func->init_page(fb);
if (WARN_ON(ret))
return ret;
}
if (fb->func->init_unkn)
fb->func->init_unkn(fb);
if (fb->func->vpr.scrub_required &&
fb->func->vpr.scrub_required(fb)) {
ret = nvkm_fb_init_scrub_vpr(fb);
if (ret)
return ret;
}
return 0;
}
static void *
nvkm_fb_dtor(struct nvkm_subdev *subdev)
{
struct nvkm_fb *fb = nvkm_fb(subdev);
int i;
nvkm_memory_unref(&fb->mmu_wr);
nvkm_memory_unref(&fb->mmu_rd);
for (i = 0; i < fb->tile.regions; i++)
fb->func->tile.fini(fb, i, &fb->tile.region[i]);
nvkm_mm_fini(&fb->tags.mm);
mutex_destroy(&fb->tags.mutex);
nvkm_ram_del(&fb->ram);
nvkm_blob_dtor(&fb->vpr_scrubber);
if (fb->func->dtor)
return fb->func->dtor(fb);
return fb;
}
static const struct nvkm_subdev_func
nvkm_fb = {
.dtor = nvkm_fb_dtor,
.oneinit = nvkm_fb_oneinit,
.init = nvkm_fb_init,
.intr = nvkm_fb_intr,
};
void
nvkm_fb_ctor(const struct nvkm_fb_func *func, struct nvkm_device *device,
enum nvkm_subdev_type type, int inst, struct nvkm_fb *fb)
{
nvkm_subdev_ctor(&nvkm_fb, device, type, inst, &fb->subdev);
fb->func = func;
fb->tile.regions = fb->func->tile.regions;
fb->page = nvkm_longopt(device->cfgopt, "NvFbBigPage", fb->func->default_bigpage);
mutex_init(&fb->tags.mutex);
}
int
nvkm_fb_new_(const struct nvkm_fb_func *func, struct nvkm_device *device,
enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)
{
if (!(*pfb = kzalloc(sizeof(**pfb), GFP_KERNEL)))
return -ENOMEM;
nvkm_fb_ctor(func, device, type, inst, *pfb);
return 0;
}
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