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/*************************************************************************/ /*!
@Title Local system definitions
@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
@Description This header provides local system declarations and macros
@License Dual MIT/GPLv2
The contents of this file are subject to the MIT license as set out below.
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.
Alternatively, the contents of this file may be used under the terms of
the GNU General Public License Version 2 ("GPL") in which case the provisions
of GPL are applicable instead of those above.
If you wish to allow use of your version of this file only under the terms of
GPL, and not to allow others to use your version of this file under the terms
of the MIT license, indicate your decision by deleting the provisions above
and replace them with the notice and other provisions required by GPL as set
out in the file called "GPL-COPYING" included in this distribution. If you do
not delete the provisions above, a recipient may use your version of this file
under the terms of either the MIT license or GPL.
This License is also included in this distribution in the file called
"MIT-COPYING".
EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) 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; AND (B) 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.
*/ /**************************************************************************/
#if !defined(__SYSLOCAL_H__)
#define __SYSLOCAL_H__
#if defined(__linux__)
#include <linux/version.h>
#include <linux/clk.h>
#if defined(PVR_LINUX_USING_WORKQUEUES)
#include <linux/mutex.h>
#else
#include <linux/spinlock.h>
#endif
#include <asm/atomic.h>
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,26))
#include <linux/semaphore.h>
#include <linux/resource.h>
#else /* (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,26)) */
#include <asm/semaphore.h>
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,22))
#include <asm/arch/resource.h>
#endif /* (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,22)) */
#endif /* (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,26)) */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
#if !defined(LDM_PLATFORM)
#error "LDM_PLATFORM must be set"
#endif
#define PVR_LINUX_DYNAMIC_SGX_RESOURCE_INFO
#include <linux/platform_device.h>
#endif
#if ((defined(DEBUG) || defined(TIMING)) && \
(LINUX_VERSION_CODE == KERNEL_VERSION(2,6,34))) && \
!defined(PVR_NO_OMAP_TIMER)
/*
* We need to explicitly enable the GPTIMER11 clocks, or we'll get an
* abort when we try to access the timer registers.
*/
#define PVR_OMAP4_TIMING_PRCM
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
#include <plat/gpu.h>
#if !defined(PVR_NO_OMAP_TIMER)
#define PVR_OMAP_USE_DM_TIMER_API
#include <plat/dmtimer.h>
#endif
#endif
#if defined(CONFIG_HAS_WAKELOCK)
#include <linux/wakelock.h>
#endif
#if !defined(PVR_NO_OMAP_TIMER)
#define PVR_OMAP_TIMER_BASE_IN_SYS_SPEC_DATA
#endif
#endif /* defined(__linux__) */
#if !defined(NO_HARDWARE) && \
defined(SYS_USING_INTERRUPTS)
#define SGX_OCP_REGS_ENABLED
#endif
#if defined(__linux__)
#if defined(SGX_OCP_REGS_ENABLED)
#define SGX_OCP_NO_INT_BYPASS
#endif
#endif
#if defined (__cplusplus)
extern "C" {
#endif
/*****************************************************************************
* system specific data structures
*****************************************************************************/
/*****************************************************************************
* system specific function prototypes
*****************************************************************************/
IMG_VOID DisableSystemClocks(SYS_DATA *psSysData);
PVRSRV_ERROR EnableSystemClocks(SYS_DATA *psSysData);
IMG_VOID DisableSGXClocks(SYS_DATA *psSysData);
PVRSRV_ERROR EnableSGXClocks(SYS_DATA *psSysData);
/*
* Various flags to indicate what has been initialised, and what
* has been temporarily deinitialised for power management purposes.
*/
#define SYS_SPECIFIC_DATA_ENABLE_SYSCLOCKS 0x00000001
#define SYS_SPECIFIC_DATA_ENABLE_LISR 0x00000002
#define SYS_SPECIFIC_DATA_ENABLE_MISR 0x00000004
#define SYS_SPECIFIC_DATA_ENABLE_ENVDATA 0x00000008
#define SYS_SPECIFIC_DATA_ENABLE_LOCDEV 0x00000010
#define SYS_SPECIFIC_DATA_ENABLE_REGDEV 0x00000020
#define SYS_SPECIFIC_DATA_ENABLE_PDUMPINIT 0x00000040
#define SYS_SPECIFIC_DATA_ENABLE_INITDEV 0x00000080
#define SYS_SPECIFIC_DATA_ENABLE_LOCATEDEV 0x00000100
#define SYS_SPECIFIC_DATA_PM_UNINSTALL_LISR 0x00000200
#define SYS_SPECIFIC_DATA_PM_DISABLE_SYSCLOCKS 0x00000400
#define SYS_SPECIFIC_DATA_ENABLE_OCPREGS 0x00000800
#define SYS_SPECIFIC_DATA_ENABLE_PM_RUNTIME 0x00001000
#define SYS_SPECIFIC_DATA_IRQ_ENABLED 0x00002000
#define SYS_SPECIFIC_DATA_DVFS_INIT 0x00004000
#define SYS_SPECIFIC_DATA_SET(psSysSpecData, flag) ((IMG_VOID)((psSysSpecData)->ui32SysSpecificData |= (flag)))
#define SYS_SPECIFIC_DATA_CLEAR(psSysSpecData, flag) ((IMG_VOID)((psSysSpecData)->ui32SysSpecificData &= ~(flag)))
#define SYS_SPECIFIC_DATA_TEST(psSysSpecData, flag) (((psSysSpecData)->ui32SysSpecificData & (flag)) != 0)
typedef struct _SYS_SPECIFIC_DATA_TAG_
{
IMG_UINT32 ui32SysSpecificData;
PVRSRV_DEVICE_NODE *psSGXDevNode;
IMG_BOOL bSGXInitComplete;
#if defined(PVR_OMAP_TIMER_BASE_IN_SYS_SPEC_DATA)
IMG_CPU_PHYADDR sTimerRegPhysBase;
#endif
#if !defined(__linux__)
IMG_BOOL bSGXClocksEnabled;
#endif
IMG_UINT32 ui32SrcClockDiv;
#if defined(__linux__)
IMG_BOOL bSysClocksOneTimeInit;
atomic_t sSGXClocksEnabled;
#if defined(PVR_LINUX_USING_WORKQUEUES)
struct mutex sPowerLock;
#else
IMG_BOOL bConstraintNotificationsEnabled;
spinlock_t sPowerLock;
atomic_t sPowerLockCPU;
spinlock_t sNotifyLock;
atomic_t sNotifyLockCPU;
IMG_BOOL bCallVDD2PostFunc;
#endif
#if defined(DEBUG) || defined(TIMING)
struct clk *psGPT11_FCK;
struct clk *psGPT11_ICK;
#endif
#if defined(PVR_OMAP_USE_DM_TIMER_API)
struct omap_dm_timer *psGPTimer;
#endif
#if defined(CONFIG_HAS_WAKELOCK)
struct wake_lock wake_lock;
#endif /* CONFIG_HAS_WAKELOCK */
#endif /* defined(__linux__) */
} SYS_SPECIFIC_DATA;
extern SYS_SPECIFIC_DATA *gpsSysSpecificData;
#if defined(SGX_OCP_REGS_ENABLED) && defined(SGX_OCP_NO_INT_BYPASS)
IMG_VOID SysEnableSGXInterrupts(SYS_DATA* psSysData);
IMG_VOID SysDisableSGXInterrupts(SYS_DATA* psSysData);
#else
#define SysEnableSGXInterrupts(psSysData)
#define SysDisableSGXInterrupts(psSysData)
#endif
#if defined(SYS_CUSTOM_POWERLOCK_WRAP)
IMG_BOOL WrapSystemPowerChange(SYS_SPECIFIC_DATA *psSysSpecData);
IMG_VOID UnwrapSystemPowerChange(SYS_SPECIFIC_DATA *psSysSpecData);
#endif
#if defined(__linux__)
PVRSRV_ERROR SysPMRuntimeRegister(SYS_SPECIFIC_DATA *psSysSpecificData);
PVRSRV_ERROR SysPMRuntimeUnregister(SYS_SPECIFIC_DATA *psSysSpecificData);
PVRSRV_ERROR SysDvfsInitialize(SYS_SPECIFIC_DATA *psSysSpecificData);
PVRSRV_ERROR SysDvfsDeinitialize(SYS_SPECIFIC_DATA *psSysSpecificData);
int pvr_access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len, int write);
#else /* defined(__linux__) */
#ifdef INLINE_IS_PRAGMA
#pragma inline(SysPMRuntimeRegister)
#endif
static INLINE PVRSRV_ERROR SysPMRuntimeRegister(void)
{
return PVRSRV_OK;
}
#ifdef INLINE_IS_PRAGMA
#pragma inline(SysPMRuntimeUnregister)
#endif
static INLINE PVRSRV_ERROR SysPMRuntimeUnregister(void)
{
return PVRSRV_OK;
}
#ifdef INLINE_IS_PRAGMA
#pragma inline(SysDvfsInitialize)
#endif
static INLINE PVRSRV_ERROR SysDvfsInitialize(void)
{
return PVRSRV_OK;
}
#ifdef INLINE_IS_PRAGMA
#pragma inline(SysDvfsDeinitialize)
#endif
static INLINE PVRSRV_ERROR SysDvfsDeinitialize(void)
{
return PVRSRV_OK;
}
#define pvr_access_process_vm(tsk, addr, buf, len, write) -1
#endif /* defined(__linux__) */
#if defined(__cplusplus)
}
#endif
#endif /* __SYSLOCAL_H__ */
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