/* * 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. * Copyright (c) 2009, Intel Corporation. * 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 * Gareth Hughes * */ /* * Copyright 2010 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _DRMP_H #define _DRMP_H #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "drm_atomic.h" #include "drm.h" #include "queue.h" #include "drm_linux_list.h" #ifndef __inline__ #define __inline__ inline #endif #if !defined(__FUNCTION__) #if defined(C99) #define __FUNCTION__ __func__ #else #define __FUNCTION__ " " #endif #endif /* DRM space units */ #define DRM_PAGE_SHIFT PAGESHIFT #define DRM_PAGE_SIZE (1 << DRM_PAGE_SHIFT) #define DRM_PAGE_OFFSET (DRM_PAGE_SIZE - 1) #define DRM_PAGE_MASK ~(DRM_PAGE_SIZE - 1) #define DRM_MB2PAGES(x) ((x) << 8) #define DRM_PAGES2BYTES(x) ((x) << DRM_PAGE_SHIFT) #define DRM_BYTES2PAGES(x) ((x) >> DRM_PAGE_SHIFT) #define DRM_PAGES2KB(x) ((x) << 2) #define DRM_ALIGNED(offset) (((offset) & DRM_PAGE_OFFSET) == 0) #define PAGE_SHIFT DRM_PAGE_SHIFT #define PAGE_SIZE DRM_PAGE_SIZE #define DRM_MAX_INSTANCES 8 #define DRM_DEVNODE "drm" #define DRM_UNOPENED 0 #define DRM_OPENED 1 #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_DRMLISTS 14 #define DRM_MEM_TOTALDRM 15 #define DRM_MEM_BOUNDDRM 16 #define DRM_MEM_CTXBITMAP 17 #define DRM_MEM_STUB 18 #define DRM_MEM_SGLISTS 19 #define DRM_MEM_AGPLISTS 20 #define DRM_MEM_CTXLIST 21 #define DRM_MEM_MM 22 #define DRM_MEM_HASHTAB 23 #define DRM_MEM_OBJECTS 24 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) #define DRM_MAP_HASH_OFFSET 0x10000000 #define DRM_MAP_HASH_ORDER 12 #define DRM_OBJECT_HASH_ORDER 12 #define DRM_FILE_PAGE_OFFSET_START ((0xFFFFFFFFUL >> PAGE_SHIFT) + 1) #define DRM_FILE_PAGE_OFFSET_SIZE ((0xFFFFFFFFUL >> PAGE_SHIFT) * 16) #define DRM_MM_INIT_MAX_PAGES 256 /* 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 __OS_HAS_AGP 1 #define DRM_DEV_MOD (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) #define DRM_DEV_UID 0 #define DRM_DEV_GID 0 #define DRM_CURRENTPID ddi_get_pid() #define DRM_SPINLOCK(l) mutex_enter(l) #define DRM_SPINUNLOCK(u) mutex_exit(u) #define DRM_SPINLOCK_ASSERT(l) #define DRM_LOCK() mutex_enter(&dev->dev_lock) #define DRM_UNLOCK() mutex_exit(&dev->dev_lock) #define DRM_LOCK_OWNED() ASSERT(mutex_owned(&dev->dev_lock)) #define spin_lock_irqsave(l, flag) mutex_enter(l) #define spin_unlock_irqrestore(u, flag) mutex_exit(u) #define spin_lock(l) mutex_enter(l) #define spin_unlock(u) mutex_exit(u) #define DRM_UDELAY(sec) delay(drv_usectohz(sec *1000)) #define DRM_MEMORYBARRIER() typedef struct drm_file drm_file_t; typedef struct drm_device drm_device_t; typedef struct drm_driver_info drm_driver_t; #define DRM_DEVICE drm_device_t *dev = dev1 #define DRM_IOCTL_ARGS \ drm_device_t *dev1, intptr_t data, drm_file_t *fpriv, int mode #define DRM_COPYFROM_WITH_RETURN(dest, src, size) \ if (ddi_copyin((src), (dest), (size), 0)) { \ DRM_ERROR("%s: copy from user failed", __func__); \ return (EFAULT); \ } #define DRM_COPYTO_WITH_RETURN(dest, src, size) \ if (ddi_copyout((src), (dest), (size), 0)) { \ DRM_ERROR("%s: copy to user failed", __func__); \ return (EFAULT); \ } #define DRM_COPY_FROM_USER(dest, src, size) \ ddi_copyin((src), (dest), (size), 0) /* flag for src */ #define DRM_COPY_TO_USER(dest, src, size) \ ddi_copyout((src), (dest), (size), 0) /* flags for dest */ #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ ddi_copyin((arg2), (arg1), (arg3), 0) #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ ddi_copyout((arg2), arg1, arg3, 0) #define DRM_READ8(map, offset) \ *(volatile uint8_t *)((uintptr_t)((map)->dev_addr) + (offset)) #define DRM_READ16(map, offset) \ *(volatile uint16_t *)((uintptr_t)((map)->dev_addr) + (offset)) #define DRM_READ32(map, offset) \ *(volatile uint32_t *)((uintptr_t)((map)->dev_addr) + (offset)) #define DRM_WRITE8(map, offset, val) \ *(volatile uint8_t *)((uintptr_t)((map)->dev_addr) + (offset)) = (val) #define DRM_WRITE16(map, offset, val) \ *(volatile uint16_t *)((uintptr_t)((map)->dev_addr) + (offset)) = (val) #define DRM_WRITE32(map, offset, val) \ *(volatile uint32_t *)((uintptr_t)((map)->dev_addr) + (offset)) = (val) typedef struct drm_wait_queue { kcondvar_t cv; kmutex_t lock; }wait_queue_head_t; #define DRM_INIT_WAITQUEUE(q, pri) \ { \ mutex_init(&(q)->lock, NULL, MUTEX_DRIVER, pri); \ cv_init(&(q)->cv, NULL, CV_DRIVER, NULL); \ } #define DRM_FINI_WAITQUEUE(q) \ { \ mutex_destroy(&(q)->lock); \ cv_destroy(&(q)->cv); \ } #define DRM_WAKEUP(q) \ { \ mutex_enter(&(q)->lock); \ cv_broadcast(&(q)->cv); \ mutex_exit(&(q)->lock); \ } #define jiffies ddi_get_lbolt() #define DRM_WAIT_ON(ret, q, timeout, condition) \ mutex_enter(&(q)->lock); \ while (!(condition)) { \ ret = cv_reltimedwait_sig(&(q)->cv, &(q)->lock, timeout,\ TR_CLOCK_TICK); \ if (ret == -1) { \ ret = EBUSY; \ break; \ } else if (ret == 0) { \ ret = EINTR; \ break; \ } else { \ ret = 0; \ } \ } \ mutex_exit(&(q)->lock); #define DRM_WAIT(ret, q, condition) \ mutex_enter(&(q)->lock); \ if (!(condition)) { \ ret = cv_timedwait_sig(&(q)->cv, &(q)->lock, jiffies + 30 * DRM_HZ); \ if (ret == -1) { \ /* gfx maybe hang */ \ if (!(condition)) \ ret = -2; \ } else { \ ret = 0; \ } \ } \ mutex_exit(&(q)->lock); #define DRM_GETSAREA() \ { \ 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; \ } \ } \ } #define LOCK_TEST_WITH_RETURN(dev, fpriv) \ if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ dev->lock.filp != fpriv) { \ DRM_DEBUG("%s called without lock held", __func__); \ return (EINVAL); \ } #define DRM_IRQ_ARGS caddr_t arg #define IRQ_HANDLED DDI_INTR_CLAIMED #define IRQ_NONE DDI_INTR_UNCLAIMED enum { DRM_IS_NOT_AGP, DRM_IS_AGP, DRM_MIGHT_BE_AGP }; /* 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 #define PAGE_ALIGN(addr) (((addr) + DRM_PAGE_SIZE - 1) & DRM_PAGE_MASK) #define DRM_SUSER(p) (crgetsgid(p) == 0 || crgetsuid(p) == 0) #define DRM_GEM_OBJIDR_HASHNODE 1024 #define idr_list_for_each(entry, head) \ for (int key = 0; key < DRM_GEM_OBJIDR_HASHNODE; key++) \ list_for_each(entry, &(head)->next[key]) /* * wait for 400 milliseconds */ #define DRM_HZ drv_usectohz(400000) typedef unsigned long dma_addr_t; typedef uint64_t u64; typedef uint32_t u32; typedef uint16_t u16; typedef uint8_t u8; typedef uint_t irqreturn_t; #define DRM_SUPPORT 1 #define DRM_UNSUPPORT 0 #define __OS_HAS_AGP 1 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 int drm_ioctl_t(DRM_IOCTL_ARGS); 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 */ drm_file_t *filp; /* Uniq. 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 */ uint32_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; uint32_t *seglist; unsigned long *seglist_bus; drm_freelist_t freelist; } drm_buf_entry_t; typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; /* BEGIN CSTYLED */ 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 */ int kernel_owned; /* Boolean: 1= initmapped, 0= addmapped */ caddr_t dev_addr; /* base device address */ ddi_acc_handle_t dev_handle; /* The data access handle */ ddi_umem_cookie_t drm_umem_cookie; /* For SAREA alloc and free */ TAILQ_ENTRY(drm_local_map) link; } drm_local_map_t; /* END CSTYLED */ /* * This structure defines the drm_mm memory object, which will be used by the * DRM for its buffer objects. */ struct drm_gem_object { /* Reference count of this object */ atomic_t refcount; /* Handle count of this object. Each handle also holds a reference */ atomic_t handlecount; /* Related drm device */ struct drm_device *dev; int flink; /* * Size of the object, in bytes. Immutable over the object's * lifetime. */ size_t size; /* * Global name for this object, starts at 1. 0 means unnamed. * Access is covered by the object_name_lock in the related drm_device */ int name; /* * Memory domains. These monitor which caches contain read/write data * related to the object. When transitioning from one set of domains * to another, the driver is called to ensure that caches are suitably * flushed and invalidated */ uint32_t read_domains; uint32_t write_domain; /* * While validating an exec operation, the * new read/write domain values are computed here. * They will be transferred to the above values * at the point that any cache flushing occurs */ uint32_t pending_read_domains; uint32_t pending_write_domain; void *driver_private; drm_local_map_t *map; ddi_dma_handle_t dma_hdl; ddi_acc_handle_t acc_hdl; caddr_t kaddr; size_t real_size; /* real size of memory */ pfn_t *pfnarray; }; struct idr_list { struct idr_list *next, *prev; struct drm_gem_object *obj; uint32_t handle; caddr_t contain_ptr; }; 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; /* Mapping of mm object handles to object pointers. */ struct idr_list object_idr; /* Lock for synchronization of access to object_idr. */ kmutex_t table_lock; dev_t dev; cred_t *credp; }; typedef struct drm_lock_data { drm_hw_lock_t *hw_lock; /* Hardware lock */ drm_file_t *filp; /* Uniq. identifier of holding process */ kcondvar_t lock_cv; /* lock queue - SOLARIS Specific */ kmutex_t lock_mutex; /* lock - SOLARIS Specific */ unsigned long lock_time; /* Time of last lock in clock ticks */ } drm_lock_data_t; /* * This structure, in 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; caddr_t phys_addr; struct drm_agp_mem *prev; struct drm_agp_mem *next; } drm_agp_mem_t; typedef struct drm_agp_head { agp_info_t agp_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; ldi_ident_t agpgart_li; ldi_handle_t agpgart_lh; } drm_agp_head_t; typedef struct drm_dma_handle { ddi_dma_handle_t dma_hdl; ddi_acc_handle_t acc_hdl; ddi_dma_cookie_t cookie; uint_t cookie_num; uintptr_t vaddr; /* virtual addr */ uintptr_t paddr; /* physical addr */ size_t real_sz; /* real size of memory */ } drm_dma_handle_t; typedef struct drm_sg_mem { unsigned long handle; void *virtual; int pages; dma_addr_t *busaddr; ddi_umem_cookie_t *umem_cookie; drm_dma_handle_t *dmah_sg; drm_dma_handle_t *dmah_gart; /* Handle to PCI memory */ } drm_sg_mem_t; /* * Generic memory manager structs */ struct drm_mm_node { struct list_head fl_entry; struct list_head ml_entry; int free; unsigned long start; unsigned long size; struct drm_mm *mm; void *private; }; struct drm_mm { struct list_head fl_entry; struct list_head ml_entry; }; typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; typedef TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig) drm_vbl_sig_list_t; typedef struct drm_vbl_sig { TAILQ_ENTRY(drm_vbl_sig) link; unsigned int sequence; int signo; int pid; } drm_vbl_sig_t; /* used for clone device */ typedef TAILQ_HEAD(drm_cminor_list, drm_cminor) drm_cminor_list_t; typedef struct drm_cminor { TAILQ_ENTRY(drm_cminor) link; drm_file_t *fpriv; int minor; } drm_cminor_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; /* DRM device structure */ struct drm_device; struct drm_driver_info { int (*load)(struct drm_device *, unsigned long); int (*firstopen)(struct drm_device *); int (*open)(struct drm_device *, drm_file_t *); void (*preclose)(struct drm_device *, drm_file_t *); 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 *, drm_file_t *); 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 *, void *); 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, drm_lock_flags_t); int (*dma_flush_unblock)(struct drm_device *, int, drm_lock_flags_t); int (*context_ctor)(struct drm_device *, int); int (*context_dtor)(struct drm_device *, int); int (*kernel_context_switch)(struct drm_device *, int, int); int (*kernel_context_switch_unlock)(struct drm_device *); int (*device_is_agp) (struct drm_device *); int (*irq_preinstall)(struct drm_device *); void (*irq_postinstall)(struct drm_device *); void (*irq_uninstall)(struct drm_device *dev); uint_t (*irq_handler)(DRM_IRQ_ARGS); int (*vblank_wait)(struct drm_device *, unsigned int *); int (*vblank_wait2)(struct drm_device *, unsigned int *); /* added for intel minimized vblank */ u32 (*get_vblank_counter)(struct drm_device *dev, int crtc); int (*enable_vblank)(struct drm_device *dev, int crtc); void (*disable_vblank)(struct drm_device *dev, int crtc); /* * Driver-specific constructor for drm_gem_objects, to set up * obj->driver_private. * * Returns 0 on success. */ int (*gem_init_object) (struct drm_gem_object *obj); void (*gem_free_object) (struct drm_gem_object *obj); drm_ioctl_desc_t *driver_ioctls; int max_driver_ioctl; int buf_priv_size; int driver_major; int driver_minor; int driver_patchlevel; const char *driver_name; /* Simple driver name */ const char *driver_desc; /* Longer driver name */ const char *driver_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_vbl_irq2 :1; unsigned use_mtrr :1; unsigned use_gem; }; /* * hardware-specific code needs to initialize mutexes which * can be used in interrupt context, so they need to know * the interrupt priority. Interrupt cookie in drm_device * structure is the intr_block field. */ #define DRM_INTR_PRI(dev) \ DDI_INTR_PRI((dev)->intr_block) struct drm_device { drm_driver_t *driver; drm_cminor_list_t minordevs; dev_info_t *dip; void *drm_handle; int drm_supported; const char *desc; /* current driver description */ kmutex_t *irq_mutex; kcondvar_t *irq_cv; ddi_iblock_cookie_t intr_block; uint32_t pci_device; /* PCI device id */ uint32_t pci_vendor; char *unique; /* Unique identifier: e.g., busid */ int unique_len; /* Length of unique field */ int if_version; /* Highest interface version set */ int flags; /* Flags to open(2) */ /* Locks */ kmutex_t vbl_lock; /* protects vblank operations */ kmutex_t dma_lock; /* protects dev->dma */ kmutex_t irq_lock; /* protects irq condition checks */ kmutex_t dev_lock; /* protects everything else */ drm_lock_data_t lock; /* Information on hardware lock */ kmutex_t struct_mutex; /* < For others */ /* 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]; uint32_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; /* 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 */ 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 */ /* Only used for Radeon */ atomic_t vbl_received; atomic_t vbl_received2; drm_vbl_sig_list_t vbl_sig_list; drm_vbl_sig_list_t vbl_sig_list2; /* * At load time, disabling the vblank interrupt won't be allowed since * old clients may not call the modeset ioctl and therefore misbehave. * Once the modeset ioctl *has* been called though, we can safely * disable them when unused. */ int vblank_disable_allowed; wait_queue_head_t vbl_queue; /* vbl wait channel */ /* vbl wait channel array */ wait_queue_head_t *vbl_queues; /* number of VBLANK interrupts */ /* (driver must alloc the right number of counters) */ atomic_t *_vblank_count; /* signal list to send on VBLANK */ struct drm_vbl_sig_list *vbl_sigs; /* number of signals pending on all crtcs */ atomic_t vbl_signal_pending; /* number of users of vblank interrupts per crtc */ atomic_t *vblank_refcount; /* protected by dev->vbl_lock, used for wraparound handling */ u32 *last_vblank; /* so we don't call enable more than */ atomic_t *vblank_enabled; /* Display driver is setting mode */ int *vblank_inmodeset; /* Don't wait while crtc is likely disabled */ int *vblank_suspend; /* size of vblank counter register */ u32 max_vblank_count; int num_crtcs; kmutex_t tasklet_lock; void (*locked_tasklet_func)(struct drm_device *dev); pid_t buf_pgid; drm_agp_head_t *agp; drm_sg_mem_t *sg; /* Scatter gather memory */ uint32_t *ctx_bitmap; void *dev_private; unsigned int agp_buffer_token; drm_local_map_t *agp_buffer_map; kstat_t *asoft_ksp; /* kstat support */ /* name Drawable information */ kmutex_t drw_lock; unsigned int drw_bitfield_length; u32 *drw_bitfield; unsigned int drw_info_length; drm_drawable_info_t **drw_info; /* \name GEM information */ /* @{ */ kmutex_t object_name_lock; struct idr_list object_name_idr; atomic_t object_count; atomic_t object_memory; atomic_t pin_count; atomic_t pin_memory; atomic_t gtt_count; atomic_t gtt_memory; uint32_t gtt_total; uint32_t invalidate_domains; /* domains pending invalidation */ uint32_t flush_domains; /* domains pending flush */ /* @} */ /* * Saving S3 context */ void *s3_private; }; /* Memory management support (drm_memory.c) */ void drm_mem_init(void); void drm_mem_uninit(void); void *drm_alloc(size_t, int); void *drm_calloc(size_t, size_t, int); void *drm_realloc(void *, size_t, size_t, int); void drm_free(void *, size_t, int); int drm_ioremap(drm_device_t *, drm_local_map_t *); void drm_ioremapfree(drm_local_map_t *); void drm_core_ioremap(struct drm_local_map *, struct drm_device *); void drm_core_ioremapfree(struct drm_local_map *, struct drm_device *); void drm_pci_free(drm_device_t *, drm_dma_handle_t *); void *drm_pci_alloc(drm_device_t *, size_t, size_t, dma_addr_t, int); struct drm_local_map *drm_core_findmap(struct drm_device *, unsigned long); int drm_context_switch(drm_device_t *, int, int); int drm_context_switch_complete(drm_device_t *, int); int drm_ctxbitmap_init(drm_device_t *); void drm_ctxbitmap_cleanup(drm_device_t *); void drm_ctxbitmap_free(drm_device_t *, int); int drm_ctxbitmap_next(drm_device_t *); /* Locking IOCTL support (drm_lock.c) */ int drm_lock_take(drm_lock_data_t *, unsigned int); int drm_lock_transfer(drm_device_t *, drm_lock_data_t *, unsigned int); int drm_lock_free(drm_device_t *, volatile unsigned int *, unsigned int); /* Buffer management support (drm_bufs.c) */ unsigned long drm_get_resource_start(drm_device_t *, unsigned int); unsigned long drm_get_resource_len(drm_device_t *, unsigned int); int drm_initmap(drm_device_t *, unsigned long, unsigned long, unsigned int, int, int); void drm_rmmap(drm_device_t *, drm_local_map_t *); int drm_addmap(drm_device_t *, unsigned long, unsigned long, drm_map_type_t, drm_map_flags_t, drm_local_map_t **); int drm_order(unsigned long); /* DMA support (drm_dma.c) */ int drm_dma_setup(drm_device_t *); void drm_dma_takedown(drm_device_t *); void drm_free_buffer(drm_device_t *, drm_buf_t *); void drm_reclaim_buffers(drm_device_t *, drm_file_t *); #define drm_core_reclaim_buffers drm_reclaim_buffers /* IRQ support (drm_irq.c) */ int drm_irq_install(drm_device_t *); int drm_irq_uninstall(drm_device_t *); uint_t drm_irq_handler(DRM_IRQ_ARGS); void drm_driver_irq_preinstall(drm_device_t *); void drm_driver_irq_postinstall(drm_device_t *); void drm_driver_irq_uninstall(drm_device_t *); int drm_vblank_wait(drm_device_t *, unsigned int *); void drm_vbl_send_signals(drm_device_t *); void drm_handle_vblank(struct drm_device *dev, int crtc); u32 drm_vblank_count(struct drm_device *dev, int crtc); int drm_vblank_get(struct drm_device *dev, int crtc); void drm_vblank_put(struct drm_device *dev, int crtc); int drm_vblank_init(struct drm_device *dev, int num_crtcs); void drm_vblank_cleanup(struct drm_device *dev); int drm_modeset_ctl(DRM_IOCTL_ARGS); /* AGP/GART support (drm_agpsupport.c) */ int drm_device_is_agp(drm_device_t *); int drm_device_is_pcie(drm_device_t *); drm_agp_head_t *drm_agp_init(drm_device_t *); void drm_agp_fini(drm_device_t *); int drm_agp_do_release(drm_device_t *); void *drm_agp_allocate_memory(size_t pages, uint32_t type, drm_device_t *dev); int drm_agp_free_memory(agp_allocate_t *handle, drm_device_t *dev); int drm_agp_bind_memory(unsigned int, uint32_t, drm_device_t *); int drm_agp_unbind_memory(unsigned long, drm_device_t *); int drm_agp_bind_pages(drm_device_t *dev, pfn_t *pages, unsigned long num_pages, uint32_t gtt_offset); int drm_agp_unbind_pages(drm_device_t *dev, unsigned long num_pages, uint32_t gtt_offset, uint32_t type); void drm_agp_chipset_flush(struct drm_device *dev); void drm_agp_rebind(struct drm_device *dev); /* kstat support (drm_kstats.c) */ int drm_init_kstats(drm_device_t *); void drm_fini_kstats(drm_device_t *); /* Scatter Gather Support (drm_scatter.c) */ void drm_sg_cleanup(drm_device_t *, drm_sg_mem_t *); /* ATI PCIGART support (ati_pcigart.c) */ int drm_ati_pcigart_init(drm_device_t *, drm_ati_pcigart_info *); int drm_ati_pcigart_cleanup(drm_device_t *, drm_ati_pcigart_info *); /* Locking IOCTL support (drm_drv.c) */ int drm_lock(DRM_IOCTL_ARGS); int drm_unlock(DRM_IOCTL_ARGS); int drm_version(DRM_IOCTL_ARGS); int drm_setversion(DRM_IOCTL_ARGS); /* Cache management (drm_cache.c) */ void drm_clflush_pages(caddr_t *pages, unsigned long num_pages); /* Misc. IOCTL support (drm_ioctl.c) */ int drm_irq_by_busid(DRM_IOCTL_ARGS); int drm_getunique(DRM_IOCTL_ARGS); int drm_setunique(DRM_IOCTL_ARGS); int drm_getmap(DRM_IOCTL_ARGS); int drm_getclient(DRM_IOCTL_ARGS); int drm_getstats(DRM_IOCTL_ARGS); int drm_noop(DRM_IOCTL_ARGS); /* Context IOCTL support (drm_context.c) */ int drm_resctx(DRM_IOCTL_ARGS); int drm_addctx(DRM_IOCTL_ARGS); int drm_modctx(DRM_IOCTL_ARGS); int drm_getctx(DRM_IOCTL_ARGS); int drm_switchctx(DRM_IOCTL_ARGS); int drm_newctx(DRM_IOCTL_ARGS); int drm_rmctx(DRM_IOCTL_ARGS); int drm_setsareactx(DRM_IOCTL_ARGS); int drm_getsareactx(DRM_IOCTL_ARGS); /* Drawable IOCTL support (drm_drawable.c) */ int drm_adddraw(DRM_IOCTL_ARGS); int drm_rmdraw(DRM_IOCTL_ARGS); int drm_update_draw(DRM_IOCTL_ARGS); /* Authentication IOCTL support (drm_auth.c) */ int drm_getmagic(DRM_IOCTL_ARGS); int drm_authmagic(DRM_IOCTL_ARGS); int drm_remove_magic(drm_device_t *, drm_magic_t); drm_file_t *drm_find_file(drm_device_t *, drm_magic_t); /* Buffer management support (drm_bufs.c) */ int drm_addmap_ioctl(DRM_IOCTL_ARGS); int drm_rmmap_ioctl(DRM_IOCTL_ARGS); int drm_addbufs_ioctl(DRM_IOCTL_ARGS); int drm_infobufs(DRM_IOCTL_ARGS); int drm_markbufs(DRM_IOCTL_ARGS); int drm_freebufs(DRM_IOCTL_ARGS); int drm_mapbufs(DRM_IOCTL_ARGS); /* DMA support (drm_dma.c) */ int drm_dma(DRM_IOCTL_ARGS); /* IRQ support (drm_irq.c) */ int drm_control(DRM_IOCTL_ARGS); int drm_wait_vblank(DRM_IOCTL_ARGS); /* AGP/GART support (drm_agpsupport.c) */ int drm_agp_acquire(DRM_IOCTL_ARGS); int drm_agp_release(DRM_IOCTL_ARGS); int drm_agp_enable(DRM_IOCTL_ARGS); int drm_agp_info(DRM_IOCTL_ARGS); int drm_agp_alloc(DRM_IOCTL_ARGS); int drm_agp_free(DRM_IOCTL_ARGS); int drm_agp_unbind(DRM_IOCTL_ARGS); int drm_agp_bind(DRM_IOCTL_ARGS); /* Scatter Gather Support (drm_scatter.c) */ int drm_sg_alloc(DRM_IOCTL_ARGS); int drm_sg_free(DRM_IOCTL_ARGS); /* drm_mm.c */ struct drm_mm_node *drm_mm_get_block(struct drm_mm_node *parent, unsigned long size, unsigned alignment); struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm, unsigned long size, unsigned alignment, int best_match); extern void drm_mm_clean_ml(const struct drm_mm *mm); extern int drm_debug_flag; /* We add function to support DRM_DEBUG,DRM_ERROR,DRM_INFO */ extern void drm_debug(const char *fmt, ...); extern void drm_error(const char *fmt, ...); extern void drm_info(const char *fmt, ...); #ifdef DEBUG #define DRM_DEBUG if (drm_debug_flag >= 2) drm_debug #define DRM_INFO if (drm_debug_flag >= 1) drm_info #else #define DRM_DEBUG(...) #define DRM_INFO(...) #endif #define DRM_ERROR drm_error #define MAX_INSTNUMS 16 extern int drm_dev_to_instance(dev_t); extern int drm_dev_to_minor(dev_t); extern void *drm_supp_register(dev_info_t *, drm_device_t *); extern int drm_supp_unregister(void *); extern int drm_open(drm_device_t *, drm_cminor_t *, int, int, cred_t *); extern int drm_close(drm_device_t *, int, int, int, cred_t *); extern int drm_attach(drm_device_t *); extern int drm_detach(drm_device_t *); extern int drm_probe(drm_device_t *, drm_pci_id_list_t *); extern int drm_pci_init(drm_device_t *); extern void drm_pci_end(drm_device_t *); extern int pci_get_info(drm_device_t *, int *, int *, int *); extern int pci_get_irq(drm_device_t *); extern int pci_get_vendor(drm_device_t *); extern int pci_get_device(drm_device_t *); extern struct drm_drawable_info *drm_get_drawable_info(drm_device_t *, drm_drawable_t); /* File Operations helpers (drm_fops.c) */ extern drm_file_t *drm_find_file_by_proc(drm_device_t *, cred_t *); extern drm_cminor_t *drm_find_file_by_minor(drm_device_t *, int); extern int drm_open_helper(drm_device_t *, drm_cminor_t *, int, int, cred_t *); /* Graphics Execution Manager library functions (drm_gem.c) */ int drm_gem_init(struct drm_device *dev); void drm_gem_object_free(struct drm_gem_object *obj); struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev, size_t size); void drm_gem_object_handle_free(struct drm_gem_object *obj); void drm_gem_object_reference(struct drm_gem_object *obj); void drm_gem_object_unreference(struct drm_gem_object *obj); int drm_gem_handle_create(struct drm_file *file_priv, struct drm_gem_object *obj, int *handlep); void drm_gem_object_handle_reference(struct drm_gem_object *obj); void drm_gem_object_handle_unreference(struct drm_gem_object *obj); struct drm_gem_object *drm_gem_object_lookup(struct drm_file *filp, int handle); int drm_gem_close_ioctl(DRM_IOCTL_ARGS); int drm_gem_flink_ioctl(DRM_IOCTL_ARGS); int drm_gem_open_ioctl(DRM_IOCTL_ARGS); void drm_gem_open(struct drm_file *file_private); void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); #endif /* _DRMP_H */