drivers/gpu/pvr/omap4/syslocal.h - kernel/omap - Git at Google

 /**********************************************************************
  *
  * Copyright (C) Imagination Technologies Ltd. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
  * version 2, as published by the Free Software Foundation.
  *
  * This program is distributed in the hope it will be useful but, except
  * as otherwise stated in writing, 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 St - Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * The full GNU General Public License is included in this distribution in
  * the file called "COPYING".
  *
  * Contact Information:
  * Imagination Technologies Ltd. <[email protected]>
  * Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK
  *
  ******************************************************************************/

 #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
 #include <asm/semaphore.h>
 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,22))
 #include <asm/arch/resource.h>
 #endif
 #endif


 #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)
 #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(PVR_NO_OMAP_TIMER)
 #define PVR_OMAP_TIMER_BASE_IN_SYS_SPEC_DATA
 #endif
 #endif

 #if !defined(NO_HARDWARE) && \
      defined(SYS_USING_INTERRUPTS)
 #define SGX_OCP_REGS_ENABLED
 #endif

 #if defined(__linux__)
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) && defined(SGX_OCP_REGS_ENABLED)
 #if !defined(SGX544)
 #define SGX_OCP_NO_INT_BYPASS
 #endif
 #endif
 #endif

 #if defined (__cplusplus)
 extern "C" {
 #endif


 IMG_VOID DisableSystemClocks(SYS_DATA *psSysData);
 PVRSRV_ERROR EnableSystemClocks(SYS_DATA *psSysData);

 IMG_VOID DisableSGXClocks(SYS_DATA *psSysData);
 PVRSRV_ERROR EnableSGXClocks(SYS_DATA *psSysData);

 #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
 	IMG_UINT32 ui32SGXFreqListSize;
 	IMG_UINT32 *pui32SGXFreqList;
 	IMG_UINT32 ui32SGXFreqListIndex;
 #endif
 } 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(void);
 PVRSRV_ERROR SysPMRuntimeUnregister(void);

 PVRSRV_ERROR SysDvfsInitialize(SYS_SPECIFIC_DATA *psSysSpecificData);
 PVRSRV_ERROR SysDvfsDeinitialize(SYS_SPECIFIC_DATA *psSysSpecificData);

 #else

 #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;
 }

 #endif

 #if defined(__cplusplus)
 }
 #endif

 #endif
	/**********************************************************************
	*
	* Copyright (C) Imagination Technologies Ltd. All rights reserved.
	*
	* This program is free software; you can redistribute it and/or modify it
	* under the terms and conditions of the GNU General Public License,
	* version 2, as published by the Free Software Foundation.
	*
	* This program is distributed in the hope it will be useful but, except
	* as otherwise stated in writing, 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 St - Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* The full GNU General Public License is included in this distribution in
	* the file called "COPYING".
	*
	* Contact Information:
	* Imagination Technologies Ltd. <[email protected]>
	* Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK
	*
	******************************************************************************/

	#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
	#include <asm/semaphore.h>
	#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,22))
	#include <asm/arch/resource.h>
	#endif
	#endif


	#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)
	#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(PVR_NO_OMAP_TIMER)
	#define PVR_OMAP_TIMER_BASE_IN_SYS_SPEC_DATA
	#endif
	#endif

	#if !defined(NO_HARDWARE) && \
	defined(SYS_USING_INTERRUPTS)
	#define SGX_OCP_REGS_ENABLED
	#endif

	#if defined(__linux__)
	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) && defined(SGX_OCP_REGS_ENABLED)
	#if !defined(SGX544)
	#define SGX_OCP_NO_INT_BYPASS
	#endif
	#endif
	#endif

	#if defined (__cplusplus)
	extern "C" {
	#endif



	IMG_VOID DisableSystemClocks(SYS_DATA *psSysData);
	PVRSRV_ERROR EnableSystemClocks(SYS_DATA *psSysData);

	IMG_VOID DisableSGXClocks(SYS_DATA *psSysData);
	PVRSRV_ERROR EnableSGXClocks(SYS_DATA *psSysData);

	#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
	IMG_UINT32 ui32SGXFreqListSize;
	IMG_UINT32 *pui32SGXFreqList;
	IMG_UINT32 ui32SGXFreqListIndex;
	#endif
	} 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(void);
	PVRSRV_ERROR SysPMRuntimeUnregister(void);

	PVRSRV_ERROR SysDvfsInitialize(SYS_SPECIFIC_DATA *psSysSpecificData);
	PVRSRV_ERROR SysDvfsDeinitialize(SYS_SPECIFIC_DATA *psSysSpecificData);

	#else

	#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;
	}

	#endif

	#if defined(__cplusplus)
	}
	#endif

	#endif