576 lines
16 KiB
C
576 lines
16 KiB
C
/****************************************************************************
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2014 - 2019 Vivante Corporation
|
|
*
|
|
* 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.
|
|
*
|
|
*****************************************************************************
|
|
*
|
|
* The GPL License (GPL)
|
|
*
|
|
* Copyright (C) 2014 - 2019 Vivante Corporation
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
*****************************************************************************
|
|
*
|
|
* Note: This software is released under dual MIT and GPL licenses. A
|
|
* recipient may use this file under the terms of either the MIT license or
|
|
* GPL License. If you wish to use only one license not the other, you can
|
|
* indicate your decision by deleting one of the above license notices in your
|
|
* version of this file.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
|
|
#include "gc_hal_kernel_linux.h"
|
|
|
|
#define _GC_OBJ_ZONE gcvZONE_KERNEL
|
|
|
|
/******************************************************************************\
|
|
******************************* gckKERNEL API Code ******************************
|
|
\******************************************************************************/
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** gckKERNEL_QueryVideoMemory
|
|
**
|
|
** Query the amount of video memory.
|
|
**
|
|
** INPUT:
|
|
**
|
|
** gckKERNEL Kernel
|
|
** Pointer to an gckKERNEL object.
|
|
**
|
|
** OUTPUT:
|
|
**
|
|
** gcsHAL_INTERFACE * Interface
|
|
** Pointer to an gcsHAL_INTERFACE structure that will be filled in with
|
|
** the memory information.
|
|
*/
|
|
gceSTATUS
|
|
gckKERNEL_QueryVideoMemory(
|
|
IN gckKERNEL Kernel,
|
|
OUT gcsHAL_INTERFACE * Interface
|
|
)
|
|
{
|
|
gckGALDEVICE device;
|
|
|
|
gcmkHEADER_ARG("Kernel=%p", Kernel);
|
|
|
|
/* Verify the arguments. */
|
|
gcmkVERIFY_OBJECT(Kernel, gcvOBJ_KERNEL);
|
|
gcmkVERIFY_ARGUMENT(Interface != NULL);
|
|
|
|
/* Extract the pointer to the gckGALDEVICE class. */
|
|
device = (gckGALDEVICE) Kernel->context;
|
|
|
|
/* Get internal memory size and physical address. */
|
|
Interface->u.QueryVideoMemory.internalSize = device->internalSize;
|
|
Interface->u.QueryVideoMemory.internalPhysName = device->internalPhysName;
|
|
|
|
/* Get external memory size and physical address. */
|
|
Interface->u.QueryVideoMemory.externalSize = device->externalSize;
|
|
Interface->u.QueryVideoMemory.externalPhysName = device->externalPhysName;
|
|
|
|
/* Get contiguous memory size and physical address. */
|
|
Interface->u.QueryVideoMemory.contiguousSize = device->contiguousSize;
|
|
Interface->u.QueryVideoMemory.contiguousPhysName = device->contiguousPhysName;
|
|
|
|
/* Success. */
|
|
gcmkFOOTER_NO();
|
|
return gcvSTATUS_OK;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** gckKERNEL_GetVideoMemoryPool
|
|
**
|
|
** Get the gckVIDMEM object belonging to the specified pool.
|
|
**
|
|
** INPUT:
|
|
**
|
|
** gckKERNEL Kernel
|
|
** Pointer to an gckKERNEL object.
|
|
**
|
|
** gcePOOL Pool
|
|
** Pool to query gckVIDMEM object for.
|
|
**
|
|
** OUTPUT:
|
|
**
|
|
** gckVIDMEM * VideoMemory
|
|
** Pointer to a variable that will hold the pointer to the gckVIDMEM
|
|
** object belonging to the requested pool.
|
|
*/
|
|
gceSTATUS
|
|
gckKERNEL_GetVideoMemoryPool(
|
|
IN gckKERNEL Kernel,
|
|
IN gcePOOL Pool,
|
|
OUT gckVIDMEM * VideoMemory
|
|
)
|
|
{
|
|
gckGALDEVICE device;
|
|
gckVIDMEM videoMemory;
|
|
|
|
gcmkHEADER_ARG("Kernel=%p Pool=%d", Kernel, Pool);
|
|
|
|
/* Verify the arguments. */
|
|
gcmkVERIFY_OBJECT(Kernel, gcvOBJ_KERNEL);
|
|
gcmkVERIFY_ARGUMENT(VideoMemory != NULL);
|
|
|
|
/* Extract the pointer to the gckGALDEVICE class. */
|
|
device = (gckGALDEVICE) Kernel->context;
|
|
|
|
/* Dispatch on pool. */
|
|
switch (Pool)
|
|
{
|
|
case gcvPOOL_LOCAL_INTERNAL:
|
|
/* Internal memory. */
|
|
videoMemory = device->internalVidMem;
|
|
break;
|
|
|
|
case gcvPOOL_LOCAL_EXTERNAL:
|
|
/* External memory. */
|
|
videoMemory = device->externalVidMem;
|
|
break;
|
|
|
|
case gcvPOOL_SYSTEM:
|
|
/* System memory. */
|
|
videoMemory = device->contiguousVidMem;
|
|
break;
|
|
|
|
case gcvPOOL_INTERNAL_SRAM:
|
|
/* Internal SRAM memory. */
|
|
videoMemory = Kernel->sRAMVidMem[Kernel->sRAMIndex];
|
|
break;
|
|
|
|
case gcvPOOL_EXTERNAL_SRAM:
|
|
/* External SRAM memory. */
|
|
videoMemory = device->extSRAMVidMem[Kernel->extSRAMIndex];
|
|
break;
|
|
|
|
default:
|
|
/* Unknown pool. */
|
|
videoMemory = NULL;
|
|
}
|
|
|
|
/* Return pointer to the gckVIDMEM object. */
|
|
*VideoMemory = videoMemory;
|
|
|
|
/* Return status. */
|
|
gcmkFOOTER_ARG("*VideoMemory=%p", *VideoMemory);
|
|
return (videoMemory == NULL) ? gcvSTATUS_OUT_OF_MEMORY : gcvSTATUS_OK;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** gckKERNEL_MapMemory
|
|
**
|
|
** Map video memory into the current process space.
|
|
**
|
|
** INPUT:
|
|
**
|
|
** gckKERNEL Kernel
|
|
** Pointer to an gckKERNEL object.
|
|
**
|
|
** gctPHYS_ADDR Physical
|
|
** Physical address of video memory to map.
|
|
**
|
|
** gctSIZE_T Bytes
|
|
** Number of bytes to map.
|
|
**
|
|
** OUTPUT:
|
|
**
|
|
** gctPOINTER * Logical
|
|
** Pointer to a variable that will hold the base address of the mapped
|
|
** memory region.
|
|
*/
|
|
gceSTATUS
|
|
gckKERNEL_MapMemory(
|
|
IN gckKERNEL Kernel,
|
|
IN gctPHYS_ADDR Physical,
|
|
IN gctSIZE_T Bytes,
|
|
OUT gctPOINTER * Logical
|
|
)
|
|
{
|
|
gckKERNEL kernel = Kernel;
|
|
gctPHYS_ADDR physical = gcmNAME_TO_PTR(Physical);
|
|
|
|
return gckOS_MapMemory(Kernel->os, physical, Bytes, Logical);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** gckKERNEL_UnmapMemory
|
|
**
|
|
** Unmap video memory from the current process space.
|
|
**
|
|
** INPUT:
|
|
**
|
|
** gckKERNEL Kernel
|
|
** Pointer to an gckKERNEL object.
|
|
**
|
|
** gctPHYS_ADDR Physical
|
|
** Physical address of video memory to map.
|
|
**
|
|
** gctSIZE_T Bytes
|
|
** Number of bytes to map.
|
|
**
|
|
** gctPOINTER Logical
|
|
** Base address of the mapped memory region.
|
|
**
|
|
** OUTPUT:
|
|
**
|
|
** Nothing.
|
|
*/
|
|
gceSTATUS
|
|
gckKERNEL_UnmapMemory(
|
|
IN gckKERNEL Kernel,
|
|
IN gctPHYS_ADDR Physical,
|
|
IN gctSIZE_T Bytes,
|
|
IN gctPOINTER Logical,
|
|
IN gctUINT32 ProcessID
|
|
)
|
|
{
|
|
gckKERNEL kernel = Kernel;
|
|
gctPHYS_ADDR physical = gcmNAME_TO_PTR(Physical);
|
|
|
|
return gckOS_UnmapMemoryEx(Kernel->os, physical, Bytes, Logical, ProcessID);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** gckKERNEL_MapVideoMemory
|
|
**
|
|
** Get the logical address for a hardware specific memory address for the
|
|
** current process.
|
|
**
|
|
** INPUT:
|
|
**
|
|
** gckKERNEL Kernel
|
|
** Pointer to an gckKERNEL object.
|
|
**
|
|
** gctBOOL InUserSpace
|
|
** gcvTRUE to map the memory into the user space.
|
|
**
|
|
** gcePOOL Pool
|
|
** Specify pool type.
|
|
**
|
|
** gctUINT32 Offset
|
|
** Offset to pool start.
|
|
**
|
|
** gctUINT32 Bytes
|
|
** Number of bytes to map.
|
|
**
|
|
** OUTPUT:
|
|
**
|
|
** gctPOINTER * Logical
|
|
** Pointer to a variable that will hold the logical address of the
|
|
** specified memory address.
|
|
*/
|
|
gceSTATUS
|
|
gckKERNEL_MapVideoMemory(
|
|
IN gckKERNEL Kernel,
|
|
IN gctBOOL InUserSpace,
|
|
IN gcePOOL Pool,
|
|
IN gctPHYS_ADDR Physical,
|
|
IN gctUINT32 Offset,
|
|
IN gctUINT32 Bytes,
|
|
OUT gctPOINTER * Logical
|
|
)
|
|
{
|
|
gckGALDEVICE device = gcvNULL;
|
|
gctSIZE_T bytes = 0;
|
|
gctPHYS_ADDR physHandle = gcvNULL;
|
|
gceSTATUS status = gcvSTATUS_OK;
|
|
gctPOINTER logical = gcvNULL;
|
|
gctUINT64 mappingInOne = 1;
|
|
|
|
gcmkHEADER_ARG("Kernel=%p InUserSpace=%d Pool=%d Offset=%X Bytes=%X",
|
|
Kernel, InUserSpace, Pool, Offset, Bytes);
|
|
|
|
/* Verify the arguments. */
|
|
gcmkVERIFY_OBJECT(Kernel, gcvOBJ_KERNEL);
|
|
gcmkVERIFY_ARGUMENT(Logical != NULL);
|
|
|
|
if (Physical)
|
|
{
|
|
gcmkONERROR(gckOS_QueryOption(Kernel->os, "allMapInOne", &mappingInOne));
|
|
}
|
|
|
|
if (mappingInOne)
|
|
{
|
|
/* Extract the pointer to the gckGALDEVICE class. */
|
|
device = (gckGALDEVICE) Kernel->context;
|
|
|
|
/* Dispatch on pool. */
|
|
switch (Pool)
|
|
{
|
|
case gcvPOOL_LOCAL_INTERNAL:
|
|
physHandle = (PLINUX_MDL)device->internalPhysical;
|
|
bytes = device->internalSize;
|
|
break;
|
|
|
|
case gcvPOOL_LOCAL_EXTERNAL:
|
|
physHandle = (PLINUX_MDL)device->externalPhysical;
|
|
bytes = device->externalSize;
|
|
break;
|
|
|
|
case gcvPOOL_SYSTEM:
|
|
/* System memory. */
|
|
physHandle = (PLINUX_MDL)device->contiguousPhysical;
|
|
bytes = device->contiguousSize;
|
|
break;
|
|
|
|
case gcvPOOL_EXTERNAL_SRAM:
|
|
/* External shared SRAM memory. */
|
|
physHandle = (PLINUX_MDL)device->extSRAMPhysical[Kernel->extSRAMIndex];
|
|
bytes = device->extSRAMSizes[Kernel->extSRAMIndex];
|
|
break;
|
|
|
|
case gcvPOOL_INTERNAL_SRAM:
|
|
/* Per core SRAM reserved usage. */
|
|
if (Kernel->sRAMPhysFaked[Kernel->sRAMIndex])
|
|
{
|
|
*Logical = gcvNULL;
|
|
|
|
gcmkFOOTER_NO();
|
|
return gcvSTATUS_OK;
|
|
}
|
|
/* Per core SRAM memory block. */
|
|
else
|
|
{
|
|
physHandle = (PLINUX_MDL)Kernel->sRAMPhysical[Kernel->sRAMIndex];
|
|
bytes = Kernel->sRAMSizes[Kernel->sRAMIndex];
|
|
break;
|
|
}
|
|
|
|
default:
|
|
/* Invalid memory pool. */
|
|
gcmkONERROR(gcvSTATUS_INVALID_ARGUMENT);
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
physHandle = (PLINUX_MDL)Physical;
|
|
bytes = Bytes;
|
|
Offset = 0;
|
|
}
|
|
|
|
gcmkONERROR(gckOS_LockPages(Kernel->os, physHandle, bytes, gcvFALSE, &logical));
|
|
/* Build logical address of specified address. */
|
|
*Logical = (gctPOINTER)((gctUINT8_PTR)logical + Offset);
|
|
OnError:
|
|
/* Retunn the status. */
|
|
gcmkFOOTER_ARG("*Logical=%p", gcmOPT_POINTER(Logical));
|
|
return status;
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** gckKERNEL_UnmapVideoMemory
|
|
**
|
|
** Unmap video memory for the current process.
|
|
**
|
|
** INPUT:
|
|
**
|
|
** gckKERNEL Kernel
|
|
** Pointer to an gckKERNEL object.
|
|
**
|
|
** gcePOOL Pool
|
|
** Specify pool type.
|
|
|
|
** gctUINT32 Address
|
|
** Hardware specific memory address.
|
|
**
|
|
** gctUINT32 Pid
|
|
** Process ID of the current process.
|
|
**
|
|
** gctSIZE_T Bytes
|
|
** Number of bytes to map.
|
|
**
|
|
** OUTPUT:
|
|
**
|
|
** Nothing.
|
|
*/
|
|
gceSTATUS
|
|
gckKERNEL_UnmapVideoMemory(
|
|
IN gckKERNEL Kernel,
|
|
IN gcePOOL Pool,
|
|
IN gctPHYS_ADDR Physical,
|
|
IN gctPOINTER Logical,
|
|
IN gctUINT32 Pid,
|
|
IN gctSIZE_T Bytes
|
|
)
|
|
{
|
|
gceSTATUS status = gcvSTATUS_OK;
|
|
gckGALDEVICE device = gcvNULL;
|
|
gctSIZE_T bytes = 0;
|
|
gctPHYS_ADDR physHandle = gcvNULL;
|
|
gctUINT64 mappingInOne = 1;
|
|
|
|
gcmkHEADER_ARG("Logical=0x%08x pid=%u Bytes=%u",
|
|
Logical, Pid, Bytes);
|
|
|
|
/* Verify the arguments. */
|
|
gcmkVERIFY_OBJECT(Kernel, gcvOBJ_KERNEL);
|
|
|
|
if (Logical == gcvNULL)
|
|
{
|
|
return gcvSTATUS_OK;
|
|
}
|
|
|
|
if (Physical)
|
|
{
|
|
gcmkONERROR(gckOS_QueryOption(Kernel->os, "allMapInOne", &mappingInOne));
|
|
}
|
|
|
|
if (mappingInOne)
|
|
{
|
|
/* Extract the pointer to the gckGALDEVICE class. */
|
|
device = (gckGALDEVICE) Kernel->context;
|
|
|
|
/* Dispatch on pool. */
|
|
switch (Pool)
|
|
{
|
|
case gcvPOOL_LOCAL_INTERNAL:
|
|
physHandle = (PLINUX_MDL)device->internalPhysical;
|
|
bytes = device->internalSize;
|
|
break;
|
|
|
|
case gcvPOOL_LOCAL_EXTERNAL:
|
|
physHandle = (PLINUX_MDL)device->externalPhysical;
|
|
bytes = device->externalSize;
|
|
break;
|
|
|
|
case gcvPOOL_SYSTEM:
|
|
/* System memory. */
|
|
physHandle = (PLINUX_MDL)device->contiguousPhysical;
|
|
bytes = device->contiguousSize;
|
|
break;
|
|
|
|
case gcvPOOL_EXTERNAL_SRAM:
|
|
/* External shared SRAM memory. */
|
|
physHandle = (PLINUX_MDL)device->extSRAMPhysical[Kernel->extSRAMIndex];
|
|
bytes = device->extSRAMSizes[Kernel->extSRAMIndex];
|
|
break;
|
|
|
|
case gcvPOOL_INTERNAL_SRAM:
|
|
/* Per core SRAM reserved usage. */
|
|
if (Kernel->sRAMPhysFaked[Kernel->sRAMIndex])
|
|
{
|
|
gcmkFOOTER_NO();
|
|
return gcvSTATUS_OK;
|
|
}
|
|
/* Per core SRAM memory block. */
|
|
else
|
|
{
|
|
physHandle = (PLINUX_MDL)Kernel->sRAMPhysical[Kernel->sRAMIndex];
|
|
bytes = Kernel->sRAMSizes[Kernel->sRAMIndex];
|
|
break;
|
|
}
|
|
|
|
default:
|
|
/* Invalid memory pool. */
|
|
gcmkONERROR(gcvSTATUS_INVALID_ARGUMENT);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
physHandle = (PLINUX_MDL)Physical;
|
|
bytes = Bytes;
|
|
}
|
|
|
|
gcmkONERROR(gckOS_UnlockPages(Kernel->os, physHandle, bytes, Logical));
|
|
|
|
OnError:
|
|
/* Retunn the status. */
|
|
gcmkFOOTER_NO();
|
|
return status;
|
|
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** gckKERNEL_Notify
|
|
**
|
|
** This function iscalled by clients to notify the gckKERNRL object of an event.
|
|
**
|
|
** INPUT:
|
|
**
|
|
** gckKERNEL Kernel
|
|
** Pointer to an gckKERNEL object.
|
|
**
|
|
** gceNOTIFY Notification
|
|
** Notification event.
|
|
**
|
|
** OUTPUT:
|
|
**
|
|
** Nothing.
|
|
*/
|
|
gceSTATUS
|
|
gckKERNEL_Notify(
|
|
IN gckKERNEL Kernel,
|
|
IN gceNOTIFY Notification
|
|
)
|
|
{
|
|
gceSTATUS status = gcvSTATUS_OK;
|
|
|
|
gcmkHEADER_ARG("Kernel=%p Notification=%d", Kernel, Notification);
|
|
|
|
/* Verify the arguments. */
|
|
gcmkVERIFY_OBJECT(Kernel, gcvOBJ_KERNEL);
|
|
|
|
/* Dispatch on notifcation. */
|
|
switch (Notification)
|
|
{
|
|
case gcvNOTIFY_INTERRUPT:
|
|
/* Process the interrupt. */
|
|
#if COMMAND_PROCESSOR_VERSION > 1
|
|
status = gckINTERRUPT_Notify(Kernel->interrupt, 0);
|
|
#else
|
|
status = gckHARDWARE_Notify(Kernel->hardware);
|
|
#endif
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/* Success. */
|
|
gcmkFOOTER();
|
|
return status;
|
|
}
|