#include <asm/pgalloc.h>
#include "drm.h"
-#include "drm_os_linux.h"
+#define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE)))
+#define __OS_HAS_MTRR (defined(CONFIG_MTRR))
+#include "drm_os_linux.h"
/***********************************************************************/
/** \name DRM template customization defaults */
/*@{*/
-#ifndef __HAVE_AGP
-#define __HAVE_AGP 0
-#endif
-#ifndef __HAVE_MTRR
-#define __HAVE_MTRR 0
-#endif
-#ifndef __HAVE_CTX_BITMAP
-#define __HAVE_CTX_BITMAP 0
-#endif
-#ifndef __HAVE_DMA
-#define __HAVE_DMA 0
-#endif
-#ifndef __HAVE_IRQ
-#define __HAVE_IRQ 0
-#endif
-#ifndef __HAVE_DMA_WAITLIST
-#define __HAVE_DMA_WAITLIST 0
-#endif
-#ifndef __HAVE_DMA_FREELIST
-#define __HAVE_DMA_FREELIST 0
-#endif
-
-#define __REALLY_HAVE_AGP (__HAVE_AGP && (defined(CONFIG_AGP) || \
- defined(CONFIG_AGP_MODULE)))
-#define __REALLY_HAVE_MTRR (__HAVE_MTRR && defined(CONFIG_MTRR))
-#define __REALLY_HAVE_SG (__HAVE_SG)
-
-/*@}*/
-
+/* driver capabilities and requirements mask */
+#define DRIVER_USE_AGP 0x1
+#define DRIVER_REQUIRE_AGP 0x2
+#define DRIVER_USE_MTRR 0x4
+#define DRIVER_PCI_DMA 0x8
+#define DRIVER_SG 0x10
+#define DRIVER_HAVE_DMA 0x20
+#define DRIVER_HAVE_IRQ 0x40
+#define DRIVER_IRQ_SHARED 0x80
+#define DRIVER_IRQ_VBL 0x100
+#define DRIVER_DMA_QUEUE 0x200
/***********************************************************************/
/** \name Begin the DRM... */
/*@}*/
-/***********************************************************************/
-/** \name Mapping helper macros */
-/*@{*/
-
-#define DRM_IOREMAP(map, dev) \
- (map)->handle = DRM(ioremap)( (map)->offset, (map)->size, (dev) )
-
-#define DRM_IOREMAP_NOCACHE(map, dev) \
- (map)->handle = DRM(ioremap_nocache)((map)->offset, (map)->size, (dev))
-
-#define DRM_IOREMAPFREE(map, dev) \
- do { \
- if ( (map)->handle && (map)->size ) \
- DRM(ioremapfree)( (map)->handle, (map)->size, (dev) ); \
- } while (0)
-
-/**
- * Find mapping.
- *
- * \param _map matching mapping if found, untouched otherwise.
- * \param _o offset.
- *
- * Expects the existence of a local variable named \p dev pointing to the
- * drm_device structure.
- */
-#define DRM_FIND_MAP(_map, _o) \
-do { \
- struct list_head *_list; \
- list_for_each( _list, &dev->maplist->head ) { \
- drm_map_list_t *_entry = list_entry( _list, drm_map_list_t, head ); \
- if ( _entry->map && \
- _entry->map->offset == (_o) ) { \
- (_map) = _entry->map; \
- break; \
- } \
- } \
-} while(0)
-
-/**
- * Drop mapping.
- *
- * \sa #DRM_FIND_MAP.
- */
-#define DRM_DROP_MAP(_map)
-
-/*@}*/
-
-
/***********************************************************************/
/** \name Internal types and structures */
/*@{*/
struct drm_device *dev;
int remove_auth_on_close;
unsigned long lock_count;
-#ifdef DRIVER_FILE_FIELDS
- DRIVER_FILE_FIELDS;
-#endif
+ void *driver_priv;
} drm_file_t;
/** Wait queue */
_DRM_DMA_USE_SG = 0x02
} flags;
- /** \name DMA support */
- /*@{*/
- drm_buf_t *this_buffer; /**< Buffer being sent */
- drm_buf_t *next_buffer; /**< Selected buffer to send */
- drm_queue_t *next_queue; /**< Queue from which buffer selected*/
- wait_queue_head_t waiting; /**< Processes waiting on free bufs */
- /*@}*/
} drm_device_dma_t;
-#if __REALLY_HAVE_AGP
/**
* AGP memory entry. Stored as a doubly linked list.
*/
int cant_use_aperture;
unsigned long page_mask;
} drm_agp_head_t;
-#endif
/**
* Scatter-gather memory.
drm_file_t *tag; /**< associated fd private data */
} drm_ctx_list_t;
-#ifdef __HAVE_VBL_IRQ
typedef struct drm_vbl_sig {
struct list_head head;
struct task_struct *task;
} drm_vbl_sig_t;
-#endif
+/**
+ * DRM device functions structure
+ */
+struct drm_device;
+
+struct drm_driver_fn {
+ int (*preinit)(struct drm_device *);
+ int (*postinit)(struct drm_device *);
+ void (*prerelease)(struct drm_device *, struct file *filp);
+ void (*pretakedown)(struct drm_device *);
+ int (*postcleanup)(struct drm_device *);
+ int (*presetup)(struct drm_device *);
+ int (*postsetup)(struct drm_device *);
+ int (*open_helper)(struct drm_device *, drm_file_t *);
+ void (*free_filp_priv)(struct drm_device *, drm_file_t *);
+ void (*release)(struct drm_device *, struct file *filp);
+ void (*dma_ready)(struct drm_device *);
+ int (*dma_quiescent)(struct drm_device *);
+ int (*context_ctor)(struct drm_device *dev, int context);
+ int (*context_dtor)(struct drm_device *dev, int context);
+ int (*kernel_context_switch)(struct drm_device *dev, int old, int new);
+ void (*kernel_context_switch_unlock)(struct drm_device *dev, drm_lock_t *lock);
+ int (*vblank_wait)(struct drm_device *dev, unsigned int *sequence);
+ /* these have to be filled in */
+ irqreturn_t (*irq_handler)( DRM_IRQ_ARGS );
+ void (*irq_preinstall)(struct drm_device *dev);
+ void (*irq_postinstall)(struct drm_device *dev);
+ void (*irq_uninstall)(struct drm_device *dev);
+ void (*reclaim_buffers)(struct file *filp);
+ unsigned long (*get_map_ofs)(drm_map_t *map);
+ unsigned long (*get_reg_ofs)(struct drm_device *dev);
+ void (*set_version)(struct drm_device *dev, drm_set_version_t *sv);
+};
/**
* DRM device structure.
*/
struct work_struct work;
/** \name VBLANK IRQ support */
/*@{*/
-#ifdef __HAVE_VBL_IRQ
+
wait_queue_head_t vbl_queue; /**< VBLANK wait queue */
atomic_t vbl_received;
spinlock_t vbl_lock;
drm_vbl_sig_t vbl_sigs; /**< signal list to send on VBLANK */
unsigned int vbl_pending;
-#endif
+
/*@}*/
cycles_t ctx_start;
cycles_t lck_start;
wait_queue_head_t buf_readers; /**< Processes waiting to read */
wait_queue_head_t buf_writers; /**< Processes waiting to ctx switch */
-#if __REALLY_HAVE_AGP
drm_agp_head_t *agp; /**< AGP data */
-#endif
struct pci_dev *pdev; /**< PCI device structure */
int pci_domain; /**< PCI bus domain number */
void *dev_private; /**< device private data */
drm_sigdata_t sigdata; /**< For block_all_signals */
sigset_t sigmask;
+
+ struct drm_driver_fn fn_tbl;
+ drm_local_map_t *agp_buffer_map;
+ int dev_priv_size;
+ u32 driver_features;
} drm_device_t;
+static __inline__ int drm_core_check_feature(struct drm_device *dev, int feature)
+{
+ return ((dev->driver_features & feature) ? 1 : 0);
+}
+
+#if __OS_HAS_AGP
+static inline int drm_core_has_AGP(struct drm_device *dev)
+{
+ return drm_core_check_feature(dev, DRIVER_USE_AGP);
+}
+#else
+#define drm_core_has_AGP(dev) (0)
+#endif
+
+#if __OS_HAS_MTRR
+static inline int drm_core_has_MTRR(struct drm_device *dev)
+{
+ return drm_core_check_feature(dev, DRIVER_USE_MTRR);
+}
+#else
+#define drm_core_has_MTRR(dev) (0)
+#endif
+
+extern void DRM(driver_register_fns)(struct drm_device *dev);
/******************************************************************/
/** \name Internal function definitions */
drm_device_t *dev);
extern void DRM(ioremapfree)(void *pt, unsigned long size, drm_device_t *dev);
-#if __REALLY_HAVE_AGP
extern DRM_AGP_MEM *DRM(alloc_agp)(int pages, u32 type);
extern int DRM(free_agp)(DRM_AGP_MEM *handle, int pages);
extern int DRM(bind_agp)(DRM_AGP_MEM *handle, unsigned int start);
extern int DRM(unbind_agp)(DRM_AGP_MEM *handle);
-#endif
/* Misc. IOCTL support (drm_ioctl.h) */
extern int DRM(irq_by_busid)(struct inode *inode, struct file *filp,
extern int DRM(context_switch)(drm_device_t *dev, int old, int new);
extern int DRM(context_switch_complete)(drm_device_t *dev, int new);
-#if __HAVE_CTX_BITMAP
extern int DRM(ctxbitmap_init)( drm_device_t *dev );
extern void DRM(ctxbitmap_cleanup)( drm_device_t *dev );
-#endif
extern int DRM(setsareactx)( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg );
unsigned int cmd, unsigned long arg );
extern int DRM(rmmap)( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg );
-#if __HAVE_DMA
extern int DRM(addbufs)( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg );
extern int DRM(infobufs)( struct inode *inode, struct file *filp,
extern void DRM(dma_takedown)(drm_device_t *dev);
extern void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf);
extern void DRM(reclaim_buffers)( struct file *filp );
-#endif /* __HAVE_DMA */
/* IRQ support (drm_irq.h) */
-#if __HAVE_IRQ || __HAVE_DMA
extern int DRM(control)( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg );
-#endif
-#if __HAVE_IRQ
extern int DRM(irq_install)( drm_device_t *dev );
extern int DRM(irq_uninstall)( drm_device_t *dev );
extern irqreturn_t DRM(irq_handler)( DRM_IRQ_ARGS );
extern void DRM(driver_irq_preinstall)( drm_device_t *dev );
extern void DRM(driver_irq_postinstall)( drm_device_t *dev );
extern void DRM(driver_irq_uninstall)( drm_device_t *dev );
-#ifdef __HAVE_VBL_IRQ
+
extern int DRM(wait_vblank)(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int DRM(vblank_wait)(drm_device_t *dev, unsigned int *vbl_seq);
extern void DRM(vbl_send_signals)( drm_device_t *dev );
-#endif
-#ifdef __HAVE_IRQ_BH
-extern void DRM(irq_immediate_bh)( void *dev );
-#endif
-#endif
-
-#if __REALLY_HAVE_AGP
/* AGP/GART support (drm_agpsupport.h) */
extern drm_agp_head_t *DRM(agp_init)(void);
extern void DRM(agp_uninit)(void);
extern int DRM(agp_free_memory)(DRM_AGP_MEM *handle);
extern int DRM(agp_bind_memory)(DRM_AGP_MEM *handle, off_t start);
extern int DRM(agp_unbind_memory)(DRM_AGP_MEM *handle);
-#endif
/* Stub support (drm_stub.h) */
int DRM(stub_register)(const char *name,
struct proc_dir_entry *root,
struct proc_dir_entry *dev_root);
-#ifdef __HAVE_SG
/* Scatter Gather Support (drm_scatter.h) */
extern void DRM(sg_cleanup)(drm_sg_mem_t *entry);
extern int DRM(sg_alloc)(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int DRM(sg_free)(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
-#endif
/* ATI PCIGART support (ati_pcigart.h) */
extern int DRM(ati_pcigart_init)(drm_device_t *dev,
unsigned long addr,
dma_addr_t bus_addr);
+
+/* Inline replacements for DRM_IOREMAP macros */
+static __inline__ void drm_core_ioremap(struct drm_map *map, struct drm_device *dev)
+{
+ map->handle = DRM(ioremap)( map->offset, map->size, dev );
+}
+
+static __inline__ void drm_core_ioremap_nocache(struct drm_map *map, struct drm_device *dev)
+{
+ map->handle = DRM(ioremap_nocache)(map->offset, map->size, dev);
+}
+
+static __inline__ void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev)
+{
+ if ( map->handle && map->size )
+ DRM(ioremapfree)( map->handle, map->size, dev );
+}
+
+static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev, unsigned long offset)
+{
+ struct list_head *_list;
+ list_for_each( _list, &dev->maplist->head ) {
+ drm_map_list_t *_entry = list_entry( _list, drm_map_list_t, head );
+ if ( _entry->map &&
+ _entry->map->offset == offset ) {
+ return _entry->map;
+ }
+ }
+ return NULL;
+}
+
+static __inline__ void drm_core_dropmap(struct drm_map *map)
+{
+}
/*@}*/
+extern unsigned long DRM(core_get_map_ofs)(drm_map_t *map);
+extern unsigned long DRM(core_get_reg_ofs)(struct drm_device *dev);
+
#endif /* __KERNEL__ */
#endif