diff options
Diffstat (limited to 'drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_linux.c')
| -rw-r--r-- | drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_linux.c | 470 |
1 files changed, 470 insertions, 0 deletions
diff --git a/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_linux.c b/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_linux.c new file mode 100644 index 000000000000..497cf5571d85 --- /dev/null +++ b/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_linux.c @@ -0,0 +1,470 @@ +/**************************************************************************** +* +* Copyright (C) 2005 - 2011 by Vivante Corp. +* +* 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., 675 Mass Ave, Cambridge, MA 02139, USA. +* +*****************************************************************************/ + + + + +#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.internalPhysical = device->internalPhysical; + + /* Get external memory size and physical address. */ + Interface->u.QueryVideoMemory.externalSize = device->externalSize; + Interface->u.QueryVideoMemory.externalPhysical = device->externalPhysical; + + /* Get contiguous memory size and physical address. */ + Interface->u.QueryVideoMemory.contiguousSize = device->contiguousSize; + Interface->u.QueryVideoMemory.contiguousPhysical = device->contiguousPhysical; + + /* 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; + + 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 + ) +{ + 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 + ) +{ + return gckOS_UnmapMemory(Kernel->os, Physical, Bytes, Logical); +} + +/******************************************************************************* +** +** 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. +** +** gctUINT32 Address +** Hardware specific memory address. +** +** OUTPUT: +** +** gctPOINTER * Logical +** Pointer to a variable that will hold the logical address of the +** specified memory address. +*/ +gceSTATUS +gckKERNEL_MapVideoMemoryEx( + IN gckKERNEL Kernel, + IN gceCORE Core, + IN gctBOOL InUserSpace, + IN gctUINT32 Address, + OUT gctPOINTER * Logical + ) +{ + gckGALDEVICE device; + PLINUX_MDL mdl; + PLINUX_MDL_MAP mdlMap; + gcePOOL pool; + gctUINT32 offset, base; + gceSTATUS status; + gctPOINTER logical; + + gcmkHEADER_ARG("Kernel=%p InUserSpace=%d Address=%08x", + Kernel, InUserSpace, Address); + + /* Verify the arguments. */ + gcmkVERIFY_OBJECT(Kernel, gcvOBJ_KERNEL); + gcmkVERIFY_ARGUMENT(Logical != NULL); + + /* Extract the pointer to the gckGALDEVICE class. */ + device = (gckGALDEVICE) Kernel->context; + +#if gcdENABLE_VG + if (Core == gcvCORE_VG) + { + /* Split the memory address into a pool type and offset. */ + gcmkONERROR( + gckVGHARDWARE_SplitMemory(Kernel->vg->hardware, Address, &pool, &offset)); + } + else +#endif + { + /* Split the memory address into a pool type and offset. */ + gcmkONERROR( + gckHARDWARE_SplitMemory(Kernel->hardware, Address, &pool, &offset)); + } + + /* Dispatch on pool. */ + switch (pool) + { + case gcvPOOL_LOCAL_INTERNAL: + /* Internal memory. */ + logical = device->internalLogical; + break; + + case gcvPOOL_LOCAL_EXTERNAL: + /* External memory. */ + logical = device->externalLogical; + break; + + case gcvPOOL_SYSTEM: + /* System memory. */ + if (device->contiguousMapped) + { + logical = device->contiguousBase; + } + else + { + gctINT processID; + gckOS_GetProcessID(&processID); + + mdl = (PLINUX_MDL) device->contiguousPhysical; + + mdlMap = FindMdlMap(mdl, processID); + gcmkASSERT(mdlMap); + + logical = (gctPOINTER) mdlMap->vmaAddr; + } +#if gcdENABLE_VG + if (Core == gcvCORE_VG) + { + gcmkVERIFY_OK( + gckVGHARDWARE_SplitMemory(Kernel->vg->hardware, + device->contiguousVidMem->baseAddress, + &pool, + &base)); + } + else +#endif + { + gcmkVERIFY_OK( + gckHARDWARE_SplitMemory(Kernel->hardware, + device->contiguousVidMem->baseAddress, + &pool, + &base)); + } + offset -= base; + break; + + default: + /* Invalid memory pool. */ + gcmkONERROR(gcvSTATUS_INVALID_ARGUMENT); + } + + /* Build logical address of specified address. */ + *Logical = (gctPOINTER) ((gctUINT8_PTR) logical + offset); + + /* Success. */ + gcmkFOOTER_ARG("*Logical=%p", *Logical); + return gcvSTATUS_OK; + +OnError: + /* Retunn the status. */ + gcmkFOOTER(); + return status; +} + +/******************************************************************************* +** +** 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. +** +** gctUINT32 Address +** Hardware specific memory address. +** +** 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 gctUINT32 Address, + OUT gctPOINTER * Logical + ) +{ + return gckKERNEL_MapVideoMemoryEx(Kernel, gcvCORE_MAJOR, InUserSpace, Address, Logical); +} +/******************************************************************************* +** +** 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, + IN gctBOOL Data + ) +{ + gceSTATUS status; + + gcmkHEADER_ARG("Kernel=%p Notification=%d Data=%d", + Kernel, Notification, Data); + + /* 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, Data); +#else + status = gckHARDWARE_Interrupt(Kernel->hardware, Data); +#endif + break; + + default: + status = gcvSTATUS_OK; + break; + } + + /* Success. */ + gcmkFOOTER(); + return status; +} + +gceSTATUS +gckKERNEL_QuerySettings( + IN gckKERNEL Kernel, + OUT gcsKERNEL_SETTINGS * Settings + ) +{ + gckGALDEVICE device; + + gcmkHEADER_ARG("Kernel=%p", Kernel); + + /* Verify the arguments. */ + gcmkVERIFY_OBJECT(Kernel, gcvOBJ_KERNEL); + gcmkVERIFY_ARGUMENT(Settings != gcvNULL); + + /* Extract the pointer to the gckGALDEVICE class. */ + device = (gckGALDEVICE) Kernel->context; + + /* Fill in signal. */ + Settings->signal = device->signal; + + /* Success. */ + gcmkFOOTER_ARG("Settings->signal=%d", Settings->signal); + return gcvSTATUS_OK; +} |