/*
* Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
* Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
* Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan.
*
* 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, sub license,
* 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 (including the
* next paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL
* VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS 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 "drmP.h"
#include "via_ds.h"
extern unsigned int VIA_DEBUG;
set_t *via_setInit(void)
{
int i;
set_t *set;
set = (set_t *) drm_alloc(sizeof(set_t), DRM_MEM_DRIVER);
for (i = 0; i < SET_SIZE; i++) {
set->list[i].free_next = i + 1;
set->list[i].alloc_next = -1;
}
set->list[SET_SIZE - 1].free_next = -1;
set->free = 0;
set->alloc = -1;
set->trace = -1;
return set;
}
int via_setAdd(set_t * set, ITEM_TYPE item)
{
int free = set->free;
if (free != -1) {
set->list[free].val = item;
set->free = set->list[free].free_next;
} else {
return 0;
}
set->list[free].alloc_next = set->alloc;
set->alloc = free;
set->list[free].free_next = -1;
return 1;
}
int via_setDel(set_t * set, ITEM_TYPE item)
{
int alloc = set->alloc;
int prev = -1;
while (alloc != -1) {
if (set->list[alloc].val == item) {
if (prev != -1)
set->list[prev].alloc_next =
set->list[alloc].alloc_next;
else
set->alloc = set->list[alloc].alloc_next;
break;
}
prev = alloc;
alloc = set->list[alloc].alloc_next;
}
if (alloc == -1)
return 0;
set->list[alloc].free_next = set->free;
set->free = alloc;
set->list[alloc].alloc_next = -1;
return 1;
}
/* setFirst -> setAdd -> setNext is wrong */
int via_setFirst(set_t * set, ITEM_TYPE * item)
{
if (set->alloc == -1)
return 0;
*item = set->list[set->alloc].val;
set->trace = set->list[set->alloc].alloc_next;
return 1;
}
int via_setNext(set_t * set, ITEM_TYPE * item)
{
if (set->trace == -1)
return 0;
*item = set->list[set->trace].val;
set->trace = set->list[set->trace].alloc_next;
return 1;
}
int via_setDestroy(set_t * set)
{
drm_free(set, sizeof(set_t), DRM_MEM_DRIVER);
return 1;
}
#define ISFREE(bptr) ((bptr)->free)
#define fprintf(fmt, arg...) do{}while(0)
memHeap_t *via_mmInit(int ofs, int size)
{
PMemBlock blocks;
if (size <= 0)
return NULL;
blocks = (TMemBlock *) drm_calloc(1, sizeof(TMemBlock), DRM_MEM_DRIVER);
if (blocks) {
blocks->ofs = ofs;
blocks->size = size;
blocks->free = 1;
return (memHeap_t *) blocks;
} else
return NULL;
}
static TMemBlock *SliceBlock(TMemBlock * p,
int startofs, int size,
int reserved, int alignment)
{
TMemBlock *newblock;
/* break left */
if (startofs > p->ofs) {
newblock =
(TMemBlock *) drm_calloc(1, sizeof(TMemBlock),
DRM_MEM_DRIVER);
newblock->ofs = startofs;
newblock->size = p->size - (startofs - p->ofs);
newblock->free = 1;
newblock->next = p->next;
p->size -= newblock->size;
p->next = newblock;
p = newblock;
}
/* break right */
if (size < p->size) {
newblock =
(TMemBlock *) drm_calloc(1, sizeof(TMemBlock),
DRM_MEM_DRIVER);
newblock->ofs = startofs + size;
newblock->size = p->size - size;
newblock->free = 1;
newblock->next = p->next;
p->size = size;
p->next = newblock;
}
/* p = middle block */
p->align = alignment;
p->free = 0;
p->reserved = reserved;
return p;
}
PMemBlock via_mmAllocMem(memHeap_t * heap, int size, int align2,
int startSearch)
{
int mask, startofs, endofs;
TMemBlock *p;
if (!heap || align2 < 0 || size <= 0)
return NULL;
mask = (1 << align2) - 1;
startofs = 0;
p = (TMemBlock *) heap;
while (p) {
if (ISFREE(p)) {
startofs = (p->ofs + mask) & ~mask;
if (startofs < startSearch)
startofs = startSearch;
endofs = startofs + size;
if (endofs <= (p->ofs + p->size))
break;
}
p = p->next;
}
if (!p)
return NULL;
p = SliceBlock(p, startofs, size, 0, mask + 1);
p->heap = heap;
return p;
}
static __inline__ int Join2Blocks(TMemBlock * p)
{
if (p->free && p->next && p->next->free) {
TMemBlock *q = p->next;
p->size += q->size;
p->next = q->next;
drm_free(q, sizeof(TMemBlock), DRM_MEM_DRIVER);
return 1;
}
return 0;
}
int via_mmFreeMem(PMemBlock b)
{
TMemBlock *p, *prev;
if (!b)
return 0;
if (!b->heap) {
fprintf(stderr, "no heap\n");
return -1;
}
p = b->heap;
prev = NULL;
while (p && p != b) {
prev = p;
p = p->next;
}
if (!p || p->free || p->reserved) {
if (!p)
fprintf(stderr, "block not found in heap\n");
else if (p->free)
fprintf(stderr, "block already free\n");
else
fprintf(stderr, "block is reserved\n");
return -1;
}
p->free = 1;
Join2Blocks(p);
if (prev)
Join2Blocks(prev);
return 0;
}
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/*
* Copyright (C) 2007 Ben Skeggs.
* 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 (including the
* next paragraph) 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 OWNER(S) AND/OR ITS SUPPLIERS 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 "drmP.h"
#include "drm.h"
#include "nouveau_drv.h"
#define RAMFC_WR(offset,val) INSTANCE_WR(chan->ramfc->gpuobj, \
NV10_RAMFC_##offset/4, (val))
#define RAMFC_RD(offset) INSTANCE_RD(chan->ramfc->gpuobj, \
NV10_RAMFC_##offset/4)
#define NV10_RAMFC(c) (dev_priv->ramfc_offset + ((c) * NV10_RAMFC__SIZE))
#define NV10_RAMFC__SIZE ((dev_priv->chipset) >= 0x17 ? 64 : 32)
int
nv10_fifo_channel_id(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
return (NV_READ(NV03_PFIFO_CACHE1_PUSH1) &
NV10_PFIFO_CACHE1_PUSH1_CHID_MASK);
}
int
nv10_fifo_create_context(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
int ret;
if ((ret = nouveau_gpuobj_new_fake(dev, NV10_RAMFC(chan->id), ~0,
NV10_RAMFC__SIZE,
NVOBJ_FLAG_ZERO_ALLOC |
NVOBJ_FLAG_ZERO_FREE,
NULL, &chan->ramfc)))
return ret;
/* Fill entries that are seen filled in dumps of nvidia driver just
* after channel's is put into DMA mode
*/
RAMFC_WR(DMA_PUT , chan->pushbuf_base);
RAMFC_WR(DMA_GET , chan->pushbuf_base);
RAMFC_WR(DMA_INSTANCE , chan->pushbuf->instance >> 4);
RAMFC_WR(DMA_FETCH , NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES |
NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8 |
#ifdef __BIG_ENDIAN
NV_PFIFO_CACHE1_BIG_ENDIAN |
#endif
0);
/* enable the fifo dma operation */
NV_WRITE(NV04_PFIFO_MODE,NV_READ(NV04_PFIFO_MODE)|(1<<chan->id));
return 0;
}
void
nv10_fifo_destroy_context(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
NV_WRITE(NV04_PFIFO_MODE, NV_READ(NV04_PFIFO_MODE)&~(1<<chan->id));
nouveau_gpuobj_ref_del(dev, &chan->ramfc);
}
int
nv10_fifo_load_context(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
uint32_t tmp;
NV_WRITE(NV03_PFIFO_CACHE1_PUSH1,
NV03_PFIFO_CACHE1_PUSH1_DMA | chan->id);
NV_WRITE(NV04_PFIFO_CACHE1_DMA_GET , RAMFC_RD(DMA_GET));
NV_WRITE(NV04_PFIFO_CACHE1_DMA_PUT , RAMFC_RD(DMA_PUT));
NV_WRITE(NV10_PFIFO_CACHE1_REF_CNT , RAMFC_RD(REF_CNT));
tmp = RAMFC_RD(DMA_INSTANCE);
NV_WRITE(NV04_PFIFO_CACHE1_DMA_INSTANCE , tmp & 0xFFFF);
NV_WRITE(NV04_PFIFO_CACHE1_DMA_DCOUNT , tmp >> 16);
NV_WRITE(NV04_PFIFO_CACHE1_DMA_STATE , RAMFC_RD(DMA_STATE));
NV_WRITE(NV04_PFIFO_CACHE1_DMA_FETCH , RAMFC_RD(DMA_FETCH));
NV_WRITE(NV04_PFIFO_CACHE1_ENGINE , RAMFC_RD(ENGINE));
NV_WRITE(NV04_PFIFO_CACHE1_PULL1 , RAMFC_RD(PULL1_ENGINE));
if (dev_priv->chipset >= 0x17) {
NV_WRITE(NV10_PFIFO_CACHE1_ACQUIRE_VALUE,
RAMFC_RD(ACQUIRE_VALUE));
NV_WRITE(NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP,
RAMFC_RD(ACQUIRE_TIMESTAMP));
NV_WRITE(NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT,
RAMFC_RD(ACQUIRE_TIMEOUT));
NV_WRITE(NV10_PFIFO_CACHE1_SEMAPHORE,
RAMFC_RD(SEMAPHORE));
NV_WRITE(NV10_PFIFO_CACHE1_DMA_SUBROUTINE,
RAMFC_RD(DMA_SUBROUTINE));
}
/* Reset NV04_PFIFO_CACHE1_DMA_CTL_AT_INFO to INVALID */
tmp = NV_READ(NV04_PFIFO_CACHE1_DMA_CTL) & ~(1<<31);
NV_WRITE(NV04_PFIFO_CACHE1_DMA_CTL, tmp);
return 0;
}
int
nv10_fifo_save_context(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
uint32_t tmp;
RAMFC_WR(DMA_PUT , NV_READ(NV04_PFIFO_CACHE1_DMA_PUT));
RAMFC_WR(DMA_GET , NV_READ(NV04_PFIFO_CACHE1_DMA_GET));
RAMFC_WR(REF_CNT , NV_READ(NV10_PFIFO_CACHE1_REF_CNT));
tmp = NV_READ(NV04_PFIFO_CACHE1_DMA_INSTANCE) & 0xFFFF;
tmp |= (NV_READ(NV04_PFIFO_CACHE1_DMA_DCOUNT) << 16);
RAMFC_WR(DMA_INSTANCE , tmp);
RAMFC_WR(DMA_STATE , NV_READ(NV04_PFIFO_CACHE1_DMA_STATE));
RAMFC_WR(DMA_FETCH , NV_READ(NV04_PFIFO_CACHE1_DMA_FETCH));
RAMFC_WR(ENGINE , NV_READ(NV04_PFIFO_CACHE1_ENGINE));
RAMFC_WR(PULL1_ENGINE , NV_READ(NV04_PFIFO_CACHE1_PULL1));
if (dev_priv->chipset >= 0x17) {
RAMFC_WR(ACQUIRE_VALUE,
NV_READ(NV10_PFIFO_CACHE1_ACQUIRE_VALUE));
RAMFC_WR(ACQUIRE_TIMESTAMP,
NV_READ(NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP));
RAMFC_WR(ACQUIRE_TIMEOUT,
NV_READ(NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT));
RAMFC_WR(SEMAPHORE,
NV_READ(NV10_PFIFO_CACHE1_SEMAPHORE));
RAMFC_WR(DMA_SUBROUTINE,
NV_READ(NV04_PFIFO_CACHE1_DMA_GET));
}
return 0;
}
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