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/**********************************************************************
*
* Copyright(c) 2008 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. <gpl-support@imgtec.com>
* Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK
*
******************************************************************************/
#ifndef __OMAPLFB_H__
#define __OMAPLFB_H__
/* max number of overlays to which a framebuffer data can be direct */
#define OMAPFB_MAX_OVL_PER_FB 3
extern IMG_BOOL PVRGetDisplayClassJTable(PVRSRV_DC_DISP2SRV_KMJTABLE *psJTable);
typedef void * OMAP_HANDLE;
typedef enum tag_omap_bool
{
OMAP_FALSE = 0,
OMAP_TRUE = 1,
} OMAP_BOOL, *OMAP_PBOOL;
typedef struct OMAPLFB_BUFFER_TAG
{
unsigned long ulBufferSize;
IMG_SYS_PHYADDR sSysAddr;
IMG_CPU_VIRTADDR sCPUVAddr;
PVRSRV_SYNC_DATA* psSyncData;
struct OMAPLFB_BUFFER_TAG* psNext;
} OMAPLFB_BUFFER;
typedef struct OMAPLFB_FLIP_ITEM_TAG
{
OMAP_HANDLE hCmdComplete;
unsigned long ulSwapInterval;
OMAP_BOOL bValid;
OMAP_BOOL bFlipped;
OMAP_BOOL bCmdCompleted;
IMG_SYS_PHYADDR* sSysAddr;
} OMAPLFB_FLIP_ITEM;
typedef struct PVRPDP_SWAPCHAIN_TAG
{
unsigned int uiSwapChainID;
unsigned long ulBufferCount;
OMAPLFB_BUFFER* psBuffer;
OMAPLFB_FLIP_ITEM* psFlipItems;
unsigned long ulInsertIndex;
unsigned long ulRemoveIndex;
PVRSRV_DC_DISP2SRV_KMJTABLE* psPVRJTable;
OMAP_BOOL bFlushCommands;
unsigned long ulSetFlushStateRefCount;
OMAP_BOOL bBlanked;
spinlock_t* psSwapChainLock;
void* pvDevInfo;
} OMAPLFB_SWAPCHAIN;
typedef struct OMAPLFB_FBINFO_TAG
{
unsigned long ulFBSize;
unsigned long ulBufferSize;
unsigned long ulRoundedBufferSize;
unsigned long ulWidth;
unsigned long ulHeight;
unsigned long ulByteStride;
IMG_SYS_PHYADDR sSysAddr;
IMG_CPU_VIRTADDR sCPUVAddr;
PVRSRV_PIXEL_FORMAT ePixelFormat;
int iFBId;
}OMAPLFB_FBINFO;
typedef struct OMAPLFB_DEVINFO_TAG
{
unsigned int uiSwapChainID;
IMG_UINT32 uDeviceID;
OMAPLFB_BUFFER sSystemBuffer;
PVRSRV_DC_DISP2SRV_KMJTABLE sPVRJTable;
PVRSRV_DC_SRV2DISP_KMJTABLE sDCJTable;
OMAPLFB_FBINFO sFBInfo;
OMAPLFB_SWAPCHAIN* psSwapChain;
OMAP_BOOL bFlushCommands;
struct fb_info* psLINFBInfo;
struct notifier_block sLINNotifBlock;
OMAP_BOOL bDeviceSuspended;
struct mutex sSwapChainLockMutex;
IMG_DEV_VIRTADDR sDisplayDevVAddr;
DISPLAY_INFO sDisplayInfo;
DISPLAY_FORMAT sDisplayFormat;
DISPLAY_DIMS sDisplayDim;
struct workqueue_struct* sync_display_wq;
struct work_struct sync_display_work;
#if defined(SUPPORT_DRI_DRM)
OMAP_BOOL bLeaveVT;
#endif
} OMAPLFB_DEVINFO;
typedef enum _OMAP_ERROR_
{
OMAP_OK = 0,
OMAP_ERROR_GENERIC = 1,
OMAP_ERROR_OUT_OF_MEMORY = 2,
OMAP_ERROR_TOO_FEW_BUFFERS = 3,
OMAP_ERROR_INVALID_PARAMS = 4,
OMAP_ERROR_INIT_FAILURE = 5,
OMAP_ERROR_CANT_REGISTER_CALLBACK = 6,
OMAP_ERROR_INVALID_DEVICE = 7,
OMAP_ERROR_DEVICE_REGISTER_FAILED = 8
} OMAP_ERROR;
struct omapfb2_mem_region {
int id;
u32 paddr;
void __iomem *vaddr;
struct vrfb vrfb;
unsigned long size;
u8 type; /* OMAPFB_PLANE_MEM_* */
bool alloc; /* allocated by the driver */
bool map; /* kernel mapped by the driver */
atomic_t map_count;
struct rw_semaphore lock;
atomic_t lock_count;
};
struct omapfb_info {
int id;
struct omapfb2_mem_region *region;
int num_overlays;
struct omap_overlay *overlays[OMAPFB_MAX_OVL_PER_FB];
struct omapfb2_device *fbdev;
enum omap_dss_rotation_type rotation_type;
u8 rotation[OMAPFB_MAX_OVL_PER_FB];
bool mirror;
};
struct omapfb2_device {
struct device *dev;
struct mutex mtx;
u32 pseudo_palette[17];
int state;
unsigned num_fbs;
struct fb_info *fbs[10];
struct omapfb2_mem_region regions[10];
unsigned num_displays;
struct omap_dss_device *displays[10];
unsigned num_overlays;
struct omap_overlay *overlays[10];
unsigned num_managers;
struct omap_overlay_manager *managers[10];
unsigned num_bpp_overrides;
struct {
struct omap_dss_device *dssdev;
u8 bpp;
} bpp_overrides[10];
};
#define OMAPLFB_PAGE_SIZE 4096
#define OMAPLFB_PAGE_MASK (OMAPLFB_PAGE_SIZE - 1)
#define OMAPLFB_PAGE_TRUNC (~OMAPLFB_PAGE_MASK)
#define OMAPLFB_PAGE_ROUNDUP(x) (((x)+OMAPLFB_PAGE_MASK) & OMAPLFB_PAGE_TRUNC)
#define DISPLAY_DEVICE_NAME "PowerVR OMAP Linux Display Driver"
#define DRVNAME "omaplfb"
#define DEVNAME DRVNAME
#define DRIVER_PREFIX DRVNAME
#define FRAMEBUFFER_COUNT num_registered_fb
#define DEBUG
#ifdef DEBUG
#define DEBUG_PRINTK(format, ...) printk(KERN_DEBUG DRIVER_PREFIX \
" (%s %i): " format "\n", __func__, __LINE__, ## __VA_ARGS__)
#else
#define DEBUG_PRINTK(format,...)
#endif
#define WARNING_PRINTK(format, ...) printk(KERN_WARNING DRIVER_PREFIX \
" (%s %i): " format "\n", __func__, __LINE__, ## __VA_ARGS__)
#define ERROR_PRINTK(format, ...) printk(KERN_ERR DRIVER_PREFIX \
" (%s %i): " format "\n", __func__, __LINE__, ## __VA_ARGS__)
#define FB2OFB(fb_info) ((struct omapfb_info *)(fb_info->par))
static inline void omapfb_lock(struct omapfb2_device *fbdev)
{
mutex_lock(&fbdev->mtx);
}
static inline void omapfb_unlock(struct omapfb2_device *fbdev)
{
mutex_unlock(&fbdev->mtx);
}
/* find the display connected to this fb, if any */
static inline struct omap_dss_device *fb2display(struct fb_info *fbi)
{
struct omapfb_info *ofbi = FB2OFB(fbi);
int i;
/* XXX: returns the display connected to first attached overlay */
for (i = 0; i < ofbi->num_overlays; i++) {
if (ofbi->overlays[i]->manager)
return ofbi->overlays[i]->manager->device;
}
return NULL;
}
OMAP_ERROR OMAPLFBInit(void);
OMAP_ERROR OMAPLFBDeinit(void);
OMAP_ERROR UnBlankDisplay(OMAPLFB_DEVINFO *psDevInfo);
void *OMAPLFBAllocKernelMem(unsigned long ulSize);
void OMAPLFBFreeKernelMem(void *pvMem);
void OMAPLFBPresentSync(OMAPLFB_DEVINFO *psDevInfo,
OMAPLFB_FLIP_ITEM *psFlipItem);
void OMAPLFBPresentSyncAddr(OMAPLFB_DEVINFO *psDevInfo, unsigned long aPhyAddr);
OMAP_ERROR OMAPLFBGetLibFuncAddr(char *szFunctionName,
PFN_DC_GET_PVRJTABLE *ppfnFuncTable);
void OMAPLFBFlip(OMAPLFB_SWAPCHAIN *psSwapChain, unsigned long aPhyAddr);
#ifdef LDM_PLATFORM
void OMAPLFBDriverSuspend(void);
void OMAPLFBDriverResume(void);
#endif
#endif
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