renesas/drm.git - libdrm, cloned from git://anongit.freedesktop.org/mesa/drm

Age	Commit message (Expand)	Author
2004-09-30	Remove DRM() macros from core ffb driver. DaveA says he'll make it compile	Jon Smirl
2004-09-30	Lindent of core build. Drivers checked for no binary diffs. A few files	Jon Smirl
2004-09-27	First check in for DRM that splits core from personality modules	Jon Smirl
2004-08-17	Merged drmfntbl-0-0-1	Dave Airlie
2004-04-22	add sparc ffb files from kernel just to keep things in sync	Dave Airlie

/* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*- * Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * All rights reserved. * * 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 (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * 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. IN NO EVENT SHALL * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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. * * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> * Gareth Hughes <gareth@valinux.com> * */ #ifndef _DRM_P_H_ #define _DRM_P_H_ #if defined(_KERNEL) || defined(__KERNEL__) /* 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 #define DRM_DEBUG_CODE 0 /* Include debugging code (if > 1, then also include looping detection. */ typedef struct drm_device drm_device_t; typedef struct drm_file drm_file_t; /* There's undoubtably more of this file to go into these OS dependent ones. */ #ifdef __FreeBSD__ #include "drm_os_freebsd.h" #elif defined __NetBSD__ #include "drm_os_netbsd.h" #endif #include "drm.h" /* Begin the DRM... */ #define DRM_HASH_SIZE 16 /* Size of key hash table */ #define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ #define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */ #define DRM_FLAG_DEBUG 0x01 #define DRM_MEM_DMA 0 #define DRM_MEM_SAREA 1 #define DRM_MEM_DRIVER 2 #define DRM_MEM_MAGIC 3 #define DRM_MEM_IOCTLS 4 #define DRM_MEM_MAPS 5 #define DRM_MEM_BUFS 6 #define DRM_MEM_SEGS 7 #define DRM_MEM_PAGES 8 #define DRM_MEM_FILES 9 #define DRM_MEM_QUEUES 10 #define DRM_MEM_CMDS 11 #define DRM_MEM_MAPPINGS 12 #define DRM_MEM_BUFLISTS 13 #define DRM_MEM_AGPLISTS 14 #define DRM_MEM_TOTALAGP 15 #define DRM_MEM_BOUNDAGP 16 #define DRM_MEM_CTXBITMAP 17 #define DRM_MEM_STUB 18 #define DRM_MEM_SGLISTS 19 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) /* Internal types and structures */ #define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) #define DRM_MIN(a,b) ((a)<(b)?(a):(b)) #define DRM_MAX(a,b) ((a)>(b)?(a):(b)) #define DRM_IF_VERSION(maj, min) (maj << 16 | min) #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ (_map) = (_dev)->context_sareas[_ctx]; \ } while(0) typedef struct drm_pci_id_list { int vendor; int device; long driver_private; char *name; } drm_pci_id_list_t; typedef struct drm_ioctl_desc { int (*func)(DRM_IOCTL_ARGS); int auth_needed; int root_only; } drm_ioctl_desc_t; typedef struct drm_magic_entry { drm_magic_t magic; struct drm_file *priv; struct drm_magic_entry *next; } drm_magic_entry_t; typedef struct drm_magic_head { struct drm_magic_entry *head; struct drm_magic_entry *tail; } drm_magic_head_t; typedef struct drm_buf { int idx; /* Index into master buflist */ int total; /* Buffer size */ int order; /* log-base-2(total) */ int used; /* Amount of buffer in use (for DMA) */ unsigned long offset; /* Byte offset (used internally) */ void *address; /* Address of buffer */ unsigned long bus_address; /* Bus address of buffer */ struct drm_buf *next; /* Kernel-only: used for free list */ __volatile__ int pending; /* On hardware DMA queue */ DRMFILE filp; /* Unique identifier of holding process */ int context; /* Kernel queue for this buffer */ enum { DRM_LIST_NONE = 0, DRM_LIST_FREE = 1, DRM_LIST_WAIT = 2, DRM_LIST_PEND = 3, DRM_LIST_PRIO = 4, DRM_LIST_RECLAIM = 5 } list; /* Which list we're on */ int dev_priv_size; /* Size of buffer private stoarge */ void *dev_private; /* Per-buffer private storage */ } drm_buf_t; typedef struct drm_freelist { int initialized; /* Freelist in use */ atomic_t count; /* Number of free buffers */ drm_buf_t *next; /* End pointer */ int low_mark; /* Low water mark */ int high_mark; /* High water mark */ } drm_freelist_t; typedef struct drm_buf_entry { int buf_size; int buf_count; drm_buf_t *buflist; int seg_count; int page_order; vm_offset_t *seglist; dma_addr_t *seglist_bus; drm_freelist_t freelist; } drm_buf_entry_t; typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; struct drm_file { TAILQ_ENTRY(drm_file) link; int authenticated; int minor; pid_t pid; uid_t uid; int refs; drm_magic_t magic; unsigned long ioctl_count; struct drm_device *devXX; #ifdef DRIVER_FILE_FIELDS DRIVER_FILE_FIELDS; #endif }; typedef struct drm_lock_data { drm_hw_lock_t *hw_lock; /* Hardware lock */ DRMFILE filp; /* Unique identifier of holding process (NULL is kernel)*/ int lock_queue; /* Queue of blocked processes */ unsigned long lock_time; /* Time of last lock in jiffies */ } drm_lock_data_t; /* This structure, in the drm_device_t, is always initialized while the device * is open. dev->dma_lock protects the incrementing of dev->buf_use, which * when set marks that no further bufs may be allocated until device teardown * occurs (when the last open of the device has closed). The high/low * watermarks of bufs are only touched by the X Server, and thus not * concurrently accessed, so no locking is needed. */ typedef struct drm_device_dma { drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; int buf_count; drm_buf_t **buflist; /* Vector of pointers info bufs */ int seg_count; int page_count; unsigned long *pagelist; unsigned long byte_count; enum { _DRM_DMA_USE_AGP = 0x01, _DRM_DMA_USE_SG = 0x02 } flags; /* DMA support */ drm_buf_t *this_buffer; /* Buffer being sent */ drm_buf_t *next_buffer; /* Selected buffer to send */ } drm_device_dma_t; #if __REALLY_HAVE_AGP typedef struct drm_agp_mem { void *handle; unsigned long bound; /* address */ int pages; struct drm_agp_mem *prev; struct drm_agp_mem *next; } drm_agp_mem_t; typedef struct drm_agp_head { device_t agpdev; struct agp_info info; const char *chipset; drm_agp_mem_t *memory; unsigned long mode; int enabled; int acquired; unsigned long base; int mtrr; int cant_use_aperture; unsigned long page_mask; } drm_agp_head_t; #endif typedef struct drm_sg_mem { unsigned long handle; void *virtual; int pages; dma_addr_t *busaddr; } drm_sg_mem_t; typedef struct drm_local_map { unsigned long offset; /* Physical address (0 for SAREA)*/ unsigned long size; /* Physical size (bytes) */ drm_map_type_t type; /* Type of memory mapped */ drm_map_flags_t flags; /* Flags */ void *handle; /* User-space: "Handle" to pass to mmap */ /* Kernel-space: kernel-virtual address */ int mtrr; /* Boolean: MTRR used */ /* Private data */ bus_space_tag_t iot; bus_space_handle_t ioh; } drm_local_map_t; typedef TAILQ_HEAD(drm_map_list, drm_map_list_entry) drm_map_list_t; typedef struct drm_map_list_entry { TAILQ_ENTRY(drm_map_list_entry) link; drm_local_map_t *map; } drm_map_list_entry_t; TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig); typedef struct drm_vbl_sig { TAILQ_ENTRY(drm_vbl_sig) link; unsigned int sequence; int signo; int pid; } drm_vbl_sig_t; /** * DRM device functions structure */ struct drm_device; struct drm_driver_fn { int (*preinit)(struct drm_device *, unsigned long flags); int (*postinit)(struct drm_device *, unsigned long flags); void (*prerelease)(struct drm_device *, void *filp); void (*pretakedown)(struct drm_device *); int (*postcleanup)(struct drm_device *); int (*presetup)(struct drm_device *); int (*postsetup)(struct drm_device *); void (*open_helper)(struct drm_device *, drm_file_t *); void (*release)(struct drm_device *, void *filp); void (*dma_ready)(struct drm_device *); int (*dma_quiescent)(struct drm_device *); int (*dma_flush_block_and_flush)(struct drm_device *, int context, drm_lock_flags_t flags); int (*dma_flush_unblock)(struct drm_device *, int context, drm_lock_flags_t flags); 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); int (*kernel_context_switch_unlock)(struct drm_device *dev); int (*dma_schedule)(struct drm_device *dev, int locked); }; struct drm_device { #ifdef __NetBSD__ struct device device; /* NetBSD's softc is an extension of struct device */ #endif const char *name; /* Simple driver name */ char *unique; /* Unique identifier: e.g., busid */ int unique_len; /* Length of unique field */ #ifdef __FreeBSD__ device_t device; /* Device instance from newbus */ #endif struct cdev *devnode; /* Device number for mknod */ int if_version; /* Highest interface version set */ int flags; /* Flags to open(2) */ /* Locks */ #if defined(__FreeBSD__) && __FreeBSD_version > 500000 #if __HAVE_DMA struct mtx dma_lock; /* protects dev->dma */ #endif #if __HAVE_IRQ struct mtx irq_lock; /* protects irq condition checks */ #endif struct mtx dev_lock; /* protects everything else */ #endif /* Usage Counters */ int open_count; /* Outstanding files open */ int buf_use; /* Buffers in use -- cannot alloc */ /* Performance counters */ unsigned long counters; drm_stat_type_t types[15]; atomic_t counts[15]; /* Authentication */ drm_file_list_t files; drm_magic_head_t magiclist[DRM_HASH_SIZE]; /* Linked list of mappable regions. Protected by dev_lock */ drm_map_list_t *maplist; drm_local_map_t **context_sareas; int max_context; drm_lock_data_t lock; /* Information on hardware lock */ /* DMA queues (contexts) */ drm_device_dma_t *dma; /* Optional pointer for DMA support */ /* Context support */ int irq; /* Interrupt used by board */ int irq_enabled; /* True if the irq handler is enabled */ #ifdef __FreeBSD__ int irqrid; /* Interrupt used by board */ struct resource *irqr; /* Resource for interrupt used by board */ #elif defined(__NetBSD__) struct pci_attach_args pa; pci_intr_handle_t ih; #endif void *irqh; /* Handle from bus_setup_intr */ int pci_domain; int pci_bus; int pci_slot; int pci_func; atomic_t context_flag; /* Context swapping flag */ int last_context; /* Last current context */ #if __FreeBSD_version >= 400005 struct task task; #endif #if __HAVE_VBL_IRQ int vbl_queue; /* vbl wait channel */ atomic_t vbl_received; #endif #ifdef __FreeBSD__ struct sigio *buf_sigio; /* Processes waiting for SIGIO */ #elif defined(__NetBSD__) pid_t buf_pgid; #endif /* Sysctl support */ struct drm_sysctl_info *sysctl; #if __REALLY_HAVE_AGP drm_agp_head_t *agp; #endif drm_sg_mem_t *sg; /* Scatter gather memory */ atomic_t *ctx_bitmap; void *dev_private; struct drm_driver_fn fn_tbl; drm_local_map_t *agp_buffer_map; int dev_priv_size; }; extern void DRM(driver_register_fns)(struct drm_device *dev); extern int DRM(flags); /* Memory management support (drm_memory.h) */ extern void DRM(mem_init)(void); extern void DRM(mem_uninit)(void); extern void *DRM(alloc)(size_t size, int area); extern void *DRM(calloc)(size_t nmemb, size_t size, int area); extern void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, int area); extern void DRM(free)(void *pt, size_t size, int area); extern void *DRM(ioremap)(drm_device_t *dev, drm_local_map_t *map); extern void DRM(ioremapfree)(drm_local_map_t *map); extern int DRM(mtrr_add)(unsigned long offset, size_t size, int flags); extern int DRM(mtrr_del)(unsigned long offset, size_t size, int flags); #if __REALLY_HAVE_AGP extern agp_memory *DRM(alloc_agp)(int pages, u32 type); extern int DRM(free_agp)(agp_memory *handle, int pages); extern int DRM(bind_agp)(agp_memory *handle, unsigned int start); extern int DRM(unbind_agp)(agp_memory *handle); #endif 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 ); extern void DRM(ctxbitmap_free)( drm_device_t *dev, int ctx_handle ); extern int DRM(ctxbitmap_next)( drm_device_t *dev ); #endif /* Locking IOCTL support (drm_lock.h) */ extern int DRM(lock_take)(__volatile__ unsigned int *lock, unsigned int context); extern int DRM(lock_transfer)(drm_device_t *dev, __volatile__ unsigned int *lock, unsigned int context); extern int DRM(lock_free)(drm_device_t *dev, __volatile__ unsigned int *lock, unsigned int context); /* Buffer management support (drm_bufs.h) */ extern int DRM(order)( unsigned long size ); #if __HAVE_DMA /* DMA support (drm_dma.h) */ extern int DRM(dma_setup)(drm_device_t *dev); 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)(drm_device_t *dev, DRMFILE filp); #endif #if __HAVE_IRQ /* IRQ support (drm_irq.h) */ 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 ); #if __HAVE_IRQ_BH extern void DRM(irq_immediate_bh)( DRM_TASKQUEUE_ARGS ); #endif #endif #if __HAVE_VBL_IRQ extern int DRM(vblank_wait)(drm_device_t *dev, unsigned int *vbl_seq); extern void DRM(vbl_send_signals)( drm_device_t *dev ); #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 void DRM(agp_do_release)(void); extern agp_memory *DRM(agp_allocate_memory)(size_t pages, u32 type); extern int DRM(agp_free_memory)(agp_memory *handle); extern int DRM(agp_bind_memory)(agp_memory *handle, off_t start); extern int DRM(agp_unbind_memory)(agp_memory *handle); #endif #if __HAVE_SG /* Scatter Gather Support (drm_scatter.h) */ extern void DRM(sg_cleanup)(drm_sg_mem_t *entry); #endif #if __REALLY_HAVE_SG /* ATI PCIGART support (ati_pcigart.h) */ extern int DRM(ati_pcigart_init)(drm_device_t *dev, unsigned long *addr, dma_addr_t *bus_addr); extern int DRM(ati_pcigart_cleanup)(drm_device_t *dev, unsigned long addr, dma_addr_t bus_addr); #endif /* Locking IOCTL support (drm_drv.h) */ extern int DRM(lock)(DRM_IOCTL_ARGS); extern int DRM(unlock)(DRM_IOCTL_ARGS); extern int DRM(version)( DRM_IOCTL_ARGS ); extern int DRM(setversion)( DRM_IOCTL_ARGS ); /* Misc. IOCTL support (drm_ioctl.h) */ extern int DRM(irq_by_busid)(DRM_IOCTL_ARGS); extern int DRM(getunique)(DRM_IOCTL_ARGS); extern int DRM(setunique)(DRM_IOCTL_ARGS); extern int DRM(getmap)(DRM_IOCTL_ARGS); extern int DRM(getclient)(DRM_IOCTL_ARGS); extern int DRM(getstats)(DRM_IOCTL_ARGS); extern int DRM(noop)(DRM_IOCTL_ARGS); /* Context IOCTL support (drm_context.h) */ extern int DRM(resctx)(DRM_IOCTL_ARGS); extern int DRM(addctx)(DRM_IOCTL_ARGS); extern int DRM(modctx)(DRM_IOCTL_ARGS); extern int DRM(getctx)(DRM_IOCTL_ARGS); extern int DRM(switchctx)(DRM_IOCTL_ARGS); extern int DRM(newctx)(DRM_IOCTL_ARGS); extern int DRM(rmctx)(DRM_IOCTL_ARGS); extern int DRM(setsareactx)(DRM_IOCTL_ARGS); extern int DRM(getsareactx)(DRM_IOCTL_ARGS); /* Drawable IOCTL support (drm_drawable.h) */ extern int DRM(adddraw)(DRM_IOCTL_ARGS); extern int DRM(rmdraw)(DRM_IOCTL_ARGS); /* Authentication IOCTL support (drm_auth.h) */ extern int DRM(getmagic)(DRM_IOCTL_ARGS); extern int DRM(authmagic)(DRM_IOCTL_ARGS); /* Buffer management support (drm_bufs.h) */ extern int DRM(addmap)(DRM_IOCTL_ARGS); extern int DRM(rmmap)(DRM_IOCTL_ARGS); #if __HAVE_DMA extern int DRM(addbufs)(DRM_IOCTL_ARGS); extern int DRM(infobufs)(DRM_IOCTL_ARGS); extern int DRM(markbufs)(DRM_IOCTL_ARGS); extern int DRM(freebufs)(DRM_IOCTL_ARGS); extern int DRM(mapbufs)(DRM_IOCTL_ARGS); #endif /* IRQ support (drm_irq.h) */ #if __HAVE_IRQ || __HAVE_DMA extern int DRM(control)(DRM_IOCTL_ARGS); #endif #if __HAVE_VBL_IRQ extern int DRM(wait_vblank)(DRM_IOCTL_ARGS); #endif /* AGP/GART support (drm_agpsupport.h) */ #if __REALLY_HAVE_AGP extern int DRM(agp_acquire)(DRM_IOCTL_ARGS); extern int DRM(agp_release)(DRM_IOCTL_ARGS); extern int DRM(agp_enable)(DRM_IOCTL_ARGS); extern int DRM(agp_info)(DRM_IOCTL_ARGS); extern int DRM(agp_alloc)(DRM_IOCTL_ARGS); extern int DRM(agp_free)(DRM_IOCTL_ARGS); extern int DRM(agp_unbind)(DRM_IOCTL_ARGS); extern int DRM(agp_bind)(DRM_IOCTL_ARGS); #endif /* Scatter Gather Support (drm_scatter.h) */ #if __HAVE_SG extern int DRM(sg_alloc)(DRM_IOCTL_ARGS); extern int DRM(sg_free)(DRM_IOCTL_ARGS); #endif /* consistent PCI memory functions (drm_pci.h) */ extern void *DRM(pci_alloc)(drm_device_t *dev, size_t size, size_t align, dma_addr_t maxaddr, dma_addr_t *busaddr); extern void DRM(pci_free)(drm_device_t *dev, size_t size, void *vaddr, dma_addr_t busaddr); /* Inline replacements for DRM_IOREMAP macros */ static __inline__ void drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) { map->handle = DRM(ioremap)( dev, map ); } #if 0 static __inline__ void drm_core_ioremap_nocache(struct drm_map *map, struct drm_device *dev) { map->handle = DRM(ioremap_nocache)(dev, map); } #endif static __inline__ void drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev) { if ( map->handle && map->size ) DRM(ioremapfree)( map ); } static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev, unsigned long offset) {