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

diff options

Diffstat (limited to 'bsd/drm')

0 files changed, 0 insertions, 0 deletions

/* 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__) typedef struct drm_device drm_device_t; typedef struct drm_file drm_file_t; #include <sys/param.h> #include <sys/queue.h> #include <sys/malloc.h> #include <sys/kernel.h> #include <sys/module.h> #include <sys/systm.h> #include <sys/conf.h> #include <sys/stat.h> #include <sys/proc.h> #include <sys/lock.h> #include <sys/fcntl.h> #include <sys/uio.h> #include <sys/filio.h> #include <sys/sysctl.h> #include <sys/bus.h> #include <sys/signalvar.h> #include <sys/poll.h> #include <vm/vm.h> #include <vm/pmap.h> #include <vm/vm_extern.h> #include <vm/vm_map.h> #include <vm/vm_param.h> #include <machine/param.h> #include <machine/pmap.h> #include <machine/bus.h> #include <machine/resource.h> #include <machine/sysarch.h> #include <sys/endian.h> #include <sys/mman.h> #if defined(__FreeBSD__) #include <sys/rman.h> #include <sys/memrange.h> #include <pci/agpvar.h> #include <sys/agpio.h> #if __FreeBSD_version >= 500000 #include <sys/mutex.h> #include <dev/pci/pcivar.h> #include <sys/selinfo.h> #else /* __FreeBSD_version >= 500000 */ #include <pci/pcivar.h> #include <sys/select.h> #endif /* __FreeBSD_version < 500000 */ #elif defined(__NetBSD__) #include <machine/mtrr.h> #include <sys/vnode.h> #include <sys/select.h> #include <sys/device.h> #include <sys/resourcevar.h> #include <sys/lkm.h> #include <sys/agpio.h> #include <sys/ttycom.h> #include <uvm/uvm.h> #include <dev/pci/pcireg.h> #include <dev/pci/pcivar.h> #include <dev/pci/agpvar.h> #elif defined(__OpenBSD__) #include <sys/lkm.h> #include <uvm/uvm.h> #endif #include <sys/bus.h> #include "drm.h" #include "drm_linux_list.h" #include "drm_atomic.h" #ifdef __FreeBSD__ #include <opt_drm.h> #ifdef DRM_DEBUG #undef DRM_DEBUG #define DRM_DEBUG_DEFAULT_ON 1 #endif /* DRM_DEBUG */ #endif #if defined(DRM_LINUX) && DRM_LINUX && !defined(__amd64__) #include <sys/file.h> #include <sys/proc.h> #include <machine/../linux/linux.h> #include <machine/../linux/linux_proto.h> #else /* Either it was defined when it shouldn't be (FreeBSD amd64) or it isn't * supported on this OS yet. */ #undef DRM_LINUX #define DRM_LINUX 0 #endif #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_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) MALLOC_DECLARE(M_DRM); #define __OS_HAS_AGP 1 #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) #define DRM_DEV_UID 0 #define DRM_DEV_GID 0 #define wait_queue_head_t atomic_t #define DRM_WAKEUP(w) wakeup((void *)w) #define DRM_WAKEUP_INT(w) wakeup(w) #define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0) #if defined(__FreeBSD__) && __FreeBSD_version < 502109 #define bus_alloc_resource_any(dev, type, rid, flags) \ bus_alloc_resource(dev, type, rid, 0ul, ~0ul, 1, flags) #endif #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 #define DRM_CURPROC curthread #define DRM_STRUCTPROC struct thread #define DRM_SPINTYPE struct mtx #define DRM_SPININIT(l,name) mtx_init(&l, name, NULL, MTX_DEF) #define DRM_SPINUNINIT(l) mtx_destroy(&l) #define DRM_SPINLOCK(l) mtx_lock(l) #define DRM_SPINUNLOCK(u) mtx_unlock(u); #define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED) #define DRM_CURRENTPID curthread->td_proc->p_pid #define DRM_LOCK() mtx_lock(&dev->dev_lock) #define DRM_UNLOCK() mtx_unlock(&dev->dev_lock) #define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS) #else /* __FreeBSD__ && __FreeBSD_version >= 500000 */ #define DRM_CURPROC curproc #define DRM_STRUCTPROC struct proc #define DRM_SPINTYPE struct simplelock #define DRM_SPININIT(l,name) #define DRM_SPINUNINIT(l) #define DRM_SPINLOCK(l) #define DRM_SPINUNLOCK(u) #define DRM_SPINLOCK_ASSERT(l) #define DRM_CURRENTPID curproc->p_pid #define DRM_LOCK() #define DRM_UNLOCK() #define DRM_SYSCTL_HANDLER_ARGS SYSCTL_HANDLER_ARGS #define spldrm() spltty() #endif /* __NetBSD__ || __OpenBSD__ */ /* Currently our DRMFILE (filp) is a void * which is actually the pid * of the current process. It should be a per-open unique pointer, but * code for that is not yet written */ #define DRMFILE void * #define DRM_IRQ_ARGS void *arg typedef void irqreturn_t; #define IRQ_HANDLED /* nothing */ #define IRQ_NONE /* nothing */ enum { DRM_IS_NOT_AGP, DRM_IS_AGP, DRM_MIGHT_BE_AGP }; #define DRM_AGP_MEM struct agp_memory_info #if defined(__FreeBSD__) #define DRM_DEVICE \ drm_device_t *dev = kdev->si_drv1 #define DRM_IOCTL_ARGS struct cdev *kdev, u_long cmd, caddr_t data, \ int flags, DRM_STRUCTPROC *p, DRMFILE filp #define PAGE_ALIGN(addr) round_page(addr) /* DRM_SUSER returns true if the user is superuser */ #define DRM_SUSER(p) (suser(p) == 0) #define DRM_AGP_FIND_DEVICE() agp_find_device() #define DRM_MTRR_WC MDF_WRITECOMBINE #define jiffies ticks #else /* __FreeBSD__ */ #if defined(__NetBSD__) #define DRM_DEVICE \ drm_device_t *dev = device_lookup(&drm_cd, minor(kdev)) #elif defined(__OpenBSD__) #define DRM_DEVICE \ drm_device_t *dev = (device_lookup(&drm_cd, \ minor(kdev)))->dv_cfdata->cf_driver->cd_devs[minor(kdev)] #endif /* __OpenBSD__ */ #define DRM_IOCTL_ARGS dev_t kdev, u_long cmd, caddr_t data, \ int flags, DRM_STRUCTPROC *p, DRMFILE filp #define CDEV_MAJOR 34 #define PAGE_ALIGN(addr) (((addr) + PAGE_SIZE - 1) & PAGE_MASK) /* DRM_SUSER returns true if the user is superuser */ #define DRM_SUSER(p) (suser(p->p_ucred, &p->p_acflag) == 0) #define DRM_AGP_FIND_DEVICE() agp_find_device(0) #define DRM_MTRR_WC MTRR_TYPE_WC #define jiffies hardclock_ticks typedef drm_device_t *device_t; extern struct cfdriver drm_cd; #endif /* !__FreeBSD__ */ /* Capabilities taken from src/sys/dev/pci/pcireg.h. */ #ifndef PCIY_AGP #define PCIY_AGP 0x02 #endif #ifndef PCIY_EXPRESS #define PCIY_EXPRESS 0x10 #endif typedef unsigned long dma_addr_t; typedef u_int64_t u64; typedef u_int32_t u32; typedef u_int16_t u16; typedef u_int8_t u8; /* DRM_READMEMORYBARRIER() prevents reordering of reads. * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. * DRM_MEMORYBARRIER() prevents reordering of reads and writes. */ #if defined(__i386__) #define DRM_READMEMORYBARRIER() __asm __volatile( \ "lock; addl $0,0(%%esp)" : : : "memory"); #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); #define DRM_MEMORYBARRIER() __asm __volatile( \ "lock; addl $0,0(%%esp)" : : : "memory"); #elif defined(__alpha__) #define DRM_READMEMORYBARRIER() alpha_mb(); #define DRM_WRITEMEMORYBARRIER() alpha_wmb(); #define DRM_MEMORYBARRIER() alpha_mb(); #elif defined(__amd64__) #define DRM_READMEMORYBARRIER() __asm __volatile( \ "lock; addl $0,0(%%rsp)" : : : "memory"); #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); #define DRM_MEMORYBARRIER() __asm __volatile( \ "lock; addl $0,0(%%rsp)" : : : "memory"); #endif #ifdef __FreeBSD__ #define DRM_READ8(map, offset) \ *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) #define DRM_READ16(map, offset) \ *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) #define DRM_READ32(map, offset) \ *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) #define DRM_WRITE8(map, offset, val) \ *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) = val #define DRM_WRITE16(map, offset, val) \ *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) = val #define DRM_WRITE32(map, offset, val) \ *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) = val #define DRM_VERIFYAREA_READ( uaddr, size ) \ (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) #else /* __FreeBSD__ */ typedef vaddr_t vm_offset_t; #define DRM_READ8(map, offset) \ bus_space_read_1( (map)->bst, (map)->bsh, (offset)) #define DRM_READ16(map, offset) \ bus_space_read_2( (map)->bst, (map)->bsh, (offset)) #define DRM_READ32(map, offset) \ bus_space_read_4( (map)->bst, (map)->bsh, (offset)) #define DRM_WRITE8(map, offset, val) \ bus_space_write_1((map)->bst, (map)->bsh, (offset), (val)) #define DRM_WRITE16(map, offset, val) \ bus_space_write_2((map)->bst, (map)->bsh, (offset), (val)) #define DRM_WRITE32(map, offset, val) \ bus_space_write_4((map)->bst, (map)->bsh, (offset), (val)) #define DRM_VERIFYAREA_READ( uaddr, size ) \ (!uvm_useracc((caddr_t)uaddr, size, VM_PROT_READ)) #endif /* !__FreeBSD__ */ #define DRM_COPY_TO_USER_IOCTL(user, kern, size) \ if ( IOCPARM_LEN(cmd) != size) \ return EINVAL; \ *user = kern; #define DRM_COPY_FROM_USER_IOCTL(kern, user, size) \ if ( IOCPARM_LEN(cmd) != size) \ return EINVAL; \ kern = *user; #define DRM_COPY_TO_USER(user, kern, size) \ copyout(kern, user, size) #define DRM_COPY_FROM_USER(kern, user, size) \ copyin(user, kern, size) #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ copyin(arg2, arg1, arg3) #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ copyout(arg2, arg1, arg3) #if __FreeBSD_version > 500000 #define DRM_GET_USER_UNCHECKED(val, uaddr) \ ((val) = fuword32(uaddr), 0) #else #define DRM_GET_USER_UNCHECKED(val, uaddr) \ ((val) = fuword(uaddr), 0) #endif #define cpu_to_le32(x) htole32(x) #define le32_to_cpu(x) le32toh(x) #define DRM_ERR(v) v #define DRM_HZ hz #define DRM_UDELAY(udelay) DELAY(udelay) #define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */ #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ (_map) = (_dev)->context_sareas[_ctx]; \ } while(0) #define DRM_GET_PRIV_WITH_RETURN(_priv, _filp) \ do { \ if (_filp != (DRMFILE)(intptr_t)DRM_CURRENTPID) { \ DRM_ERROR("filp doesn't match curproc\n"); \ return EINVAL; \ } \ _priv = drm_find_file_by_proc(dev, DRM_CURPROC); \ if (_priv == NULL) { \ DRM_ERROR("can't find authenticator\n"); \ return EINVAL; \ } \ } while (0) #define LOCK_TEST_WITH_RETURN(dev, filp) \ do { \ if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ dev->lock.filp != filp) { \ DRM_ERROR("%s called without lock held\n", \ __FUNCTION__); \ return EINVAL; \ } \ } while (0) #define DRM_GETSAREA() \ do { \ drm_local_map_t *map; \ DRM_SPINLOCK_ASSERT(&dev->dev_lock); \ TAILQ_FOREACH(map, &dev->maplist, link) { \ if (map->type == _DRM_SHM && \ map->flags & _DRM_CONTAINS_LOCK) { \ dev_priv->sarea = map; \ break; \ } \ } \ } while (0) #if defined(__FreeBSD__) && __FreeBSD_version > 500000 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ for ( ret = 0 ; !ret && !(condition) ; ) { \ DRM_UNLOCK(); \ mtx_lock(&dev->irq_lock); \ if (!(condition)) \ ret = msleep(&(queue), &dev->irq_lock, \ PZERO | PCATCH, "drmwtq", (timeout)); \ mtx_unlock(&dev->irq_lock); \ DRM_LOCK(); \ } #else #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ for ( ret = 0 ; !ret && !(condition) ; ) { \ int s = spldrm(); \ if (!(condition)) \ ret = tsleep( &(queue), PZERO | PCATCH, \ "drmwtq", (timeout) ); \ splx(s); \ } #endif #define DRM_ERROR(fmt, arg...) \ printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ DRM_CURRENTPID, __func__ , ## arg) #define DRM_INFO(fmt, arg...) printf("info: [" DRM_NAME "] " fmt , ## arg) #define DRM_DEBUG(fmt, arg...) do { \ if (drm_debug_flag) \ printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ __func__ , ## arg); \ } while (0) typedef struct drm_pci_id_list { int vendor; int device; long driver_private; char *name; } drm_pci_id_list_t; #define DRM_AUTH 0x1 #define DRM_MASTER 0x2 #define DRM_ROOT_ONLY 0x4 typedef struct drm_ioctl_desc { int (*func)(DRM_IOCTL_ARGS); int flags; } 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_dma_handle { void *vaddr; bus_addr_t busaddr; #if defined(__FreeBSD__) bus_dma_tag_t tag; bus_dmamap_t map; #elif defined(__NetBSD__) bus_dma_segment_t seg; #endif } drm_dma_handle_t; typedef struct drm_buf_entry { int buf_size; int buf_count; drm_buf_t *buflist; int seg_count; drm_dma_handle_t **seglist; int page_order; 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 master; int minor; pid_t pid; uid_t uid; int refs; drm_magic_t magic; unsigned long ioctl_count; void *driver_priv; }; 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; } drm_device_dma_t; 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; typedef struct drm_sg_mem { unsigned long handle; void *virtual; int pages; dma_addr_t *busaddr; drm_dma_handle_t *dmah; /* Handle to PCI memory for ATI PCIGART table */ } drm_sg_mem_t; typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_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 */ int rid; /* PCI resource ID for bus_space */ struct resource *bsr; bus_space_tag_t bst; bus_space_handle_t bsh; drm_dma_handle_t *dmah; TAILQ_ENTRY(drm_local_map) link; } drm_local_map_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; /* location of GART table */ #define DRM_ATI_GART_MAIN 1 #define DRM_ATI_GART_FB 2 typedef struct ati_pcigart_info { int gart_table_location; int is_pcie; void *addr; dma_addr_t bus_addr; drm_local_map_t mapping; } drm_ati_pcigart_info; struct drm_driver_info { int (*load)(struct drm_device *, unsigned long flags); int (*firstopen)(struct drm_device *); int (*open)(struct drm_device *, drm_file_t *); void (*preclose)(struct drm_device *, void *filp); void (*postclose)(struct drm_device *, drm_file_t *); void (*lastclose)(struct drm_device *); int (*unload)(struct drm_device *); void (*reclaim_buffers_locked)(struct drm_device *, void *filp); int (*dma_ioctl)(DRM_IOCTL_ARGS); 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); void (*irq_preinstall)(drm_device_t *dev); void (*irq_postinstall)(drm_device_t *dev); void (*irq_uninstall)(drm_device_t *dev); void (*irq_handler)(DRM_IRQ_ARGS); int (*vblank_wait)(drm_device_t *dev, unsigned int *sequence); drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ /** * Called by \c drm_device_is_agp. Typically used to determine if a * card is really attached to AGP or not. * * \param dev DRM device handle * * \returns * One of three values is returned depending on whether or not the * card is absolutely \b not AGP (return of 0), absolutely \b is AGP * (return of 1), or may or may not be AGP (return of 2). */ int (*device_is_agp) (struct drm_device * dev); drm_ioctl_desc_t *ioctls; int max_ioctl; int buf_priv_size; int major; int minor; int patchlevel; const char *name; /* Simple driver name */ const char *desc; /* Longer driver name */ const char *date; /* Date of last major changes. */ unsigned use_agp :1; unsigned require_agp :1; unsigned use_sg :1; unsigned use_dma :1; unsigned use_pci_dma :1; unsigned use_dma_queue :1; unsigned use_irq :1; unsigned use_vbl_irq :1; unsigned use_mtrr :1; }; /* Length for the array of resource pointers for drm_get_resource_*. */ #define DRM_MAX_PCI_RESOURCE 3 /** * DRM device functions structure */ struct drm_device { #if defined(__NetBSD__) || defined(__OpenBSD__) struct device device; /* softc is an extension of struct device */ #endif struct drm_driver_info driver; drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ u_int16_t pci_device; /* PCI device id */ u_int16_t pci_vendor; /* PCI vendor id */ 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 struct mtx dma_lock; /* protects dev->dma */ struct mtx irq_lock; /* protects irq condition checks */ 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__) || defined(__OpenBSD__) struct pci_attach_args pa; #endif void *irqh; /* Handle from bus_setup_intr */ /* Storage of resource pointers for drm_get_resource_* */ struct resource *pcir[DRM_MAX_PCI_RESOURCE]; int pcirid[DRM_MAX_PCI_RESOURCE]; 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 */ int vbl_queue; /* vbl wait channel */ atomic_t vbl_received; #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; drm_agp_head_t *agp; drm_sg_mem_t *sg; /* Scatter gather memory */ atomic_t *ctx_bitmap; void *dev_private; unsigned int agp_buffer_token; drm_local_map_t *agp_buffer_map; }; extern int drm_debug_flag; /* Device setup support (drm_drv.c) */ #ifdef __FreeBSD__ int drm_probe(device_t nbdev, drm_pci_id_list_t *idlist); int drm_attach(device_t nbdev, drm_pci_id_list_t *idlist); int drm_detach(device_t nbdev); d_ioctl_t drm_ioctl; d_open_t drm_open; d_close_t drm_close; d_read_t drm_read; d_poll_t drm_poll; d_mmap_t drm_mmap; #elif defined(__NetBSD__) || defined(__OpenBSD__) int drm_probe(struct pci_attach_args *pa, drm_pci_id_list_t *idlist); int drm_attach(struct pci_attach_args *pa, dev_t kdev, drm_pci_id_list_t *idlist); dev_type_ioctl(drm_ioctl); dev_type_open(drm_open); dev_type_close(drm_close); dev_type_read(drm_read); dev_type_poll(drm_poll); dev_type_mmap(drm_mmap); #endif /* File operations helpers (drm_fops.c) */ #ifdef __FreeBSD__ extern int drm_open_helper(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p, drm_device_t *dev); extern drm_file_t *drm_find_file_by_proc(drm_device_t *dev, DRM_STRUCTPROC *p); #elif defined(__NetBSD__) || defined(__OpenBSD__) extern int drm_open_helper(dev_t kdev, int flags, int fmt, DRM_STRUCTPROC *p, drm_device_t *dev); extern drm_file_t *drm_find_file_by_proc(drm_device_t *dev, DRM_STRUCTPROC *p); #endif /* __NetBSD__ || __OpenBSD__ */ /* Memory management support (drm_memory.c) */ void drm_mem_init(void); void drm_mem_uninit(void); void *drm_alloc(size_t size, int area); void *drm_calloc(size_t nmemb, size_t size, int area); void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area); void drm_free(void *pt, size_t size, int area); void *drm_ioremap(drm_device_t *dev, drm_local_map_t *map); void drm_ioremapfree(drm_local_map_t *map); int drm_mtrr_add(unsigned long offset, size_t size, int flags); int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags); int drm_context_switch(drm_device_t *dev, int old, int new); int drm_context_switch_complete(drm_device_t *dev, int new); int drm_ctxbitmap_init(drm_device_t *dev); void drm_ctxbitmap_cleanup(drm_device_t *dev); void drm_ctxbitmap_free(drm_device_t *dev, int ctx_handle); int drm_ctxbitmap_next(drm_device_t *dev); /* Locking IOCTL support (drm_lock.c) */ int drm_lock_take(__volatile__ unsigned int *lock, unsigned int context); int drm_lock_transfer(drm_device_t *dev, __volatile__ unsigned int *lock, unsigned int context); int drm_lock_free(drm_device_t *dev, __volatile__ unsigned int *lock, unsigned int context); /* Buffer management support (drm_bufs.c) */ unsigned long drm_get_resource_start(drm_device_t *dev, unsigned int resource); unsigned long drm_get_resource_len(drm_device_t *dev, unsigned int resource);


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