// SPDX-License-Identifier: MIT
#include <drm/drm_crtc.h>
#include "crc.h"
#include "crcc37d.h"
#include "core.h"
#include "disp.h"
#include "head.h"
#include <nvif/pushc37b.h>
#include <nvhw/class /clc37d.h>
static int
crcc37d_set_src(struct nv50_head *head, int or , enum nv50_crc_source_type source,
struct nv50_crc_notifier_ctx *ctx)
{
struct nvif_push *push = &nv50_disp(head->base.base.dev)->core->chan.push;
const int i = head->base.index;
u32 crc_args = NVVAL(NVC37D, HEAD_SET_CRC_CONTROL, CONTROLLING_CHANNEL, i * 4) |
NVDEF(NVC37D, HEAD_SET_CRC_CONTROL, EXPECT_BUFFER_COLLAPSE, FALSE ) |
NVDEF(NVC37D, HEAD_SET_CRC_CONTROL, SECONDARY_CRC, NONE) |
NVDEF(NVC37D, HEAD_SET_CRC_CONTROL, CRC_DURING_SNOOZE, DISABLE);
int ret;
switch (source) {
case NV50_CRC_SOURCE_TYPE_SOR:
crc_args |= NVDEF(NVC37D, HEAD_SET_CRC_CONTROL, PRIMARY_CRC, SOR(or ));
break ;
case NV50_CRC_SOURCE_TYPE_PIOR:
crc_args |= NVDEF(NVC37D, HEAD_SET_CRC_CONTROL, PRIMARY_CRC, PIOR(or ));
break ;
case NV50_CRC_SOURCE_TYPE_SF:
crc_args |= NVDEF(NVC37D, HEAD_SET_CRC_CONTROL, PRIMARY_CRC, SF);
break ;
default :
break ;
}
if ((ret = PUSH_WAIT(push, 4)))
return ret;
if (source) {
PUSH_MTHD(push, NVC37D, HEAD_SET_CONTEXT_DMA_CRC(i), ctx->ntfy.handle);
PUSH_MTHD(push, NVC37D, HEAD_SET_CRC_CONTROL(i), crc_args);
} else {
PUSH_MTHD(push, NVC37D, HEAD_SET_CRC_CONTROL(i), 0);
PUSH_MTHD(push, NVC37D, HEAD_SET_CONTEXT_DMA_CRC(i), 0);
}
return 0;
}
int crcc37d_set_ctx(struct nv50_head *head, struct nv50_crc_notifier_ctx *ctx)
{
struct nvif_push *push = &nv50_disp(head->base.base.dev)->core->chan.push;
const int i = head->base.index;
int ret;
if ((ret = PUSH_WAIT(push, 2)))
return ret;
PUSH_MTHD(push, NVC37D, HEAD_SET_CONTEXT_DMA_CRC(i), ctx ? ctx->ntfy.handle : 0);
return 0;
}
u32 crcc37d_get_entry(struct nv50_head *head, struct nv50_crc_notifier_ctx *ctx,
enum nv50_crc_source source, int idx)
{
struct crcc37d_notifier __iomem *notifier = ctx->mem.object.map.ptr;
struct crcc37d_entry __iomem *entry = ¬ifier->entries[idx];
u32 __iomem *crc_addr;
if (source == NV50_CRC_SOURCE_RG)
crc_addr = &entry->rg_crc;
else
crc_addr = &entry->output_crc[0];
return ioread32_native(crc_addr);
}
bool crcc37d_ctx_finished(struct nv50_head *head, struct nv50_crc_notifier_ctx *ctx)
{
struct nouveau_drm *drm = nouveau_drm(head->base.base.dev);
struct crcc37d_notifier __iomem *notifier = ctx->mem.object.map.ptr;
const u32 status = ioread32_native(¬ifier->status);
const u32 overflow = status & 0x0000007e;
if (!(status & 0x00000001))
return false ;
if (overflow) {
const char *engine = NULL;
switch (overflow) {
case 0x00000004: engine = "Front End" ; break ;
case 0x00000008: engine = "Compositor" ; break ;
case 0x00000010: engine = "RG" ; break ;
case 0x00000020: engine = "CRC output 1" ; break ;
case 0x00000040: engine = "CRC output 2" ; break ;
}
if (engine)
NV_ERROR(drm,
"CRC notifier context for head %d overflowed on %s: %x\n" ,
head->base.index, engine, status);
else
NV_ERROR(drm,
"CRC notifier context for head %d overflowed: %x\n" ,
head->base.index, status);
}
NV_DEBUG(drm, "Head %d CRC context status: %x\n" ,
head->base.index, status);
return true ;
}
const struct nv50_crc_func crcc37d = {
.set_src = crcc37d_set_src,
.set_ctx = crcc37d_set_ctx,
.get_entry = crcc37d_get_entry,
.ctx_finished = crcc37d_ctx_finished,
.flip_threshold = CRCC37D_FLIP_THRESHOLD,
.num_entries = CRCC37D_MAX_ENTRIES,
.notifier_len = sizeof (struct crcc37d_notifier),
};
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