/**
* \file drmP.h
* Private header for Direct Rendering Manager
*
* \author Rickard E. (Rik) Faith <faith@valinux.com>
* \author Gareth Hughes <gareth@valinux.com>
*/
/*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* Copyright (c) 2009-2010, Code Aurora Forum.
* 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#ifndef _DRM_P_H_
#define _DRM_P_H_
#if defined(_KERNEL) || defined(__KERNEL__)
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/ktr.h>
#include <sys/module.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/sglist.h>
#include <sys/stat.h>
#include <sys/priv.h>
#include <sys/proc.h>
#include <sys/lock.h>
#include <sys/fcntl.h>
#include <sys/uio.h>
#include <sys/filio.h>
#include <sys/rwlock.h>
#include <sys/selinfo.h>
#include <sys/sysctl.h>
#include <sys/bus.h>
#include <sys/queue.h>
#include <sys/signalvar.h>
#include <sys/poll.h>
#include <sys/sbuf.h>
#include <sys/taskqueue.h>
#include <sys/tree.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <vm/vm_extern.h>
#include <vm/vm_kern.h>
#include <vm/vm_map.h>
#include <vm/vm_object.h>
#include <vm/vm_page.h>
#include <vm/vm_pager.h>
#include <vm/vm_param.h>
#include <vm/vm_phys.h>
#include <machine/param.h>
#include <machine/pmap.h>
#include <machine/bus.h>
#include <machine/resource.h>
#if defined(__i386__) || defined(__amd64__)
#include <machine/specialreg.h>
#endif
#include <machine/sysarch.h>
#include <sys/endian.h>
#include <sys/mman.h>
#include <sys/rman.h>
#include <sys/memrange.h>
#include <dev/agp/agpvar.h>
#include <sys/agpio.h>
#include <sys/mutex.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <sys/selinfo.h>
#include <sys/bus.h>
#include <dev/drm2/drm.h>
#include <dev/drm2/drm_sarea.h>
#include <dev/drm2/drm_atomic.h>
#include <dev/drm2/drm_internal.h>
#include <dev/drm2/drm_linux_list.h>
#include <dev/drm2/drm_gem_names.h>
struct drm_file;
struct drm_device;
#include <dev/drm2/drm_os_freebsd.h>
#include <dev/drm2/drm_hashtab.h>
#include <dev/drm2/drm_mm.h>
#include "opt_compat.h"
#include "opt_drm.h"
#include "opt_syscons.h"
#ifdef DRM_DEBUG
#undef DRM_DEBUG
#define DRM_DEBUG_DEFAULT_ON 1
#endif /* DRM_DEBUG */
#define DRM_DEBUGBITS_DEBUG 0x1
#define DRM_DEBUGBITS_KMS 0x2
#define DRM_DEBUGBITS_FAILED_IOCTL 0x4
#undef DRM_LINUX
#define DRM_LINUX 0
/***********************************************************************/
/** \name DRM template customization defaults */
/*@{*/
/* 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
#define DRIVER_FB_DMA 0x400
#define DRIVER_IRQ_VBL2 0x800
#define DRIVER_GEM 0x1000
#define DRIVER_MODESET 0x2000
#define DRIVER_PRIME 0x4000
#define DRIVER_LOCKLESS_IRQ 0x8000
#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_GEM_MAPPING_MASK (3ULL << 62)
#define DRM_GEM_MAPPING_KEY (2ULL << 62) /* Non-canonical address form */
#define DRM_GEM_MAX_IDX 0x3fffff
#define DRM_GEM_MAPPING_IDX(o) (((o) >> 40) & DRM_GEM_MAX_IDX)
#define DRM_GEM_MAPPING_OFF(i) (((uint64_t)(i)) << 40)
#define DRM_GEM_MAPPING_MAPOFF(o) \
((o) & ~(DRM_GEM_MAPPING_OFF(DRM_GEM_MAX_IDX) | DRM_GEM_MAPPING_KEY))
MALLOC_DECLARE(DRM_MEM_DMA);
MALLOC_DECLARE(DRM_MEM_SAREA);
MALLOC_DECLARE(DRM_MEM_DRIVER);
MALLOC_DECLARE(DRM_MEM_MAGIC);
MALLOC_DECLARE(DRM_MEM_IOCTLS);
MALLOC_DECLARE(DRM_MEM_MAPS);
MALLOC_DECLARE(DRM_MEM_BUFS);
MALLOC_DECLARE(DRM_MEM_SEGS);
MALLOC_DECLARE(DRM_MEM_PAGES);
MALLOC_DECLARE(DRM_MEM_FILES);
MALLOC_DECLARE(DRM_MEM_QUEUES);
MALLOC_DECLARE(DRM_MEM_CMDS);
MALLOC_DECLARE(DRM_MEM_MAPPINGS);
MALLOC_DECLARE(DRM_MEM_BUFLISTS);
MALLOC_DECLARE(DRM_MEM_AGPLISTS);
MALLOC_DECLARE(DRM_MEM_CTXBITMAP);
MALLOC_DECLARE(DRM_MEM_SGLISTS);
MALLOC_DECLARE(DRM_MEM_DRAWABLE);
MALLOC_DECLARE(DRM_MEM_MM);
MALLOC_DECLARE(DRM_MEM_HASHTAB);
MALLOC_DECLARE(DRM_MEM_KMS);
SYSCTL_DECL(_hw_drm);
#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
/***********************************************************************/
/** \name 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_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)
#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_IRQSAVE(l, irqflags) do { \
mtx_lock(l); \
(void)irqflags; \
} while (0)
#define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u)
#define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED)
#define DRM_CURRENTPID curthread->td_proc->p_pid
#define DRM_LOCK(dev) sx_xlock(&(dev)->dev_struct_lock)
#define DRM_UNLOCK(dev) sx_xunlock(&(dev)->dev_struct_lock)
#define DRM_LOCK_SLEEP(dev, chan, flags, msg, timeout) \
(sx_sleep((chan), &(dev)->dev_struct_lock, (flags), (msg), (timeout)))
#if defined(INVARIANTS)
#define DRM_LOCK_ASSERT(dev) sx_assert(&(dev)->dev_struct_lock, SA_XLOCKED)
#define DRM_UNLOCK_ASSERT(dev) sx_assert(&(dev)->dev_struct_lock, SA_UNLOCKED)
#else
#define DRM_LOCK_ASSERT(d)
#define DRM_UNLOCK_ASSERT(d)
#endif
#define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS)
#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
#define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1)
#define PAGE_ALIGN(addr) round_page(addr)
/* DRM_SUSER returns true if the user is superuser */
#define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0)
#define DRM_AGP_FIND_DEVICE() agp_find_device()
#define DRM_MTRR_WC MDF_WRITECOMBINE
#define jiffies ticks
#define jiffies_to_msecs(x) (((int64_t)(x)) * 1000 / hz)
#define msecs_to_jiffies(x) (((int64_t)(x)) * hz / 1000)
#define time_after(a,b) ((long)(b) - (long)(a) < 0)
#define time_after_eq(a,b) ((long)(b) - (long)(a) <= 0)
#define drm_msleep(x, msg) pause((msg), ((int64_t)(x)) * hz / 1000)
/* DRM_READMEMORYBARRIER() prevents reordering of reads.
* DRM_WRITEMEMORYBARRIER() prevents reordering of writes.
* DRM_MEMORYBARRIER() prevents reordering of reads and writes.
*/
#define DRM_READMEMORYBARRIER() rmb()
#define DRM_WRITEMEMORYBARRIER() wmb()
#define DRM_MEMORYBARRIER() mb()
#define DRM_READ8(map, offset) \
*(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \
(vm_offset_t)(offset))
#define DRM_READ16(map, offset) \
le16toh(*(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \
(vm_offset_t)(offset)))
#define DRM_READ32(map, offset) \
le32toh(*(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \
(vm_offset_t)(offset)))
#define DRM_READ64(map, offset) \
le64toh(*(volatile u_int64_t *)(((vm_offset_t)(map)->virtual) + \
(vm_offset_t)(offset)))
#define DRM_WRITE8(map, offset, val) \
*(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \
(vm_offset_t)(offset)) = val
#define DRM_WRITE16(map, offset, val) \
*(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \
(vm_offset_t)(offset)) = htole16(val)
#define DRM_WRITE32(map, offset, val) \
*(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \
(vm_offset_t)(offset)) = htole32(val)
#define DRM_WRITE64(map, offset, val) \
*(volatile u_int64_t *)(((vm_offset_t)(map)->virtual) + \
(vm_offset_t)(offset)) = htole64(val)
#define DRM_VERIFYAREA_READ( uaddr, size ) \
(!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ))
#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)
#define DRM_GET_USER_UNCHECKED(val, uaddr) \
((val) = fuword32(uaddr), 0)
#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \
(_map) = (_dev)->context_sareas[_ctx]; \
} while(0)
#define LOCK_TEST_WITH_RETURN(dev, file_priv) \
do { \
if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \
dev->lock.file_priv != file_priv) { \
DRM_ERROR("%s called without lock held\n", \
__FUNCTION__); \
return EINVAL; \
} \
} while (0)
/* Returns -errno to shared code */
#define DRM_WAIT_ON( ret, queue, timeout, condition ) \
for ( ret = 0 ; !ret && !(condition) ; ) { \
DRM_UNLOCK(dev); \
mtx_lock(&dev->irq_lock); \
if (!(condition)) \
ret = -mtx_sleep(&(queue), &dev->irq_lock, \
PCATCH, "drmwtq", (timeout)); \
mtx_unlock(&dev->irq_lock); \
DRM_LOCK(dev); \
}
#define DRM_ERROR(fmt, ...) \
printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \
DRM_CURRENTPID, __func__ , ##__VA_ARGS__)
#define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__)
#define DRM_DEBUG(fmt, ...) do { \
if ((drm_debug_flag & DRM_DEBUGBITS_DEBUG) != 0) \
printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \
__func__ , ##__VA_ARGS__); \
} while (0)
#define DRM_DEBUG_KMS(fmt, ...) do { \
if ((drm_debug_flag & DRM_DEBUGBITS_KMS) != 0) \
printf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\
__func__ , ##__VA_ARGS__); \
} while (0)
#define DRM_DEBUG_DRIVER(fmt, ...) do { \
if ((drm_debug_flag & DRM_DEBUGBITS_KMS) != 0) \
printf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\
__func__ , ##__VA_ARGS__); \
} while (0)
#define dev_err(dev, fmt, ...) \
device_printf((dev), "error: " fmt, ## __VA_ARGS__)
#define dev_warn(dev, fmt, ...) \
device_printf((dev), "warning: " fmt, ## __VA_ARGS__)
#define dev_info(dev, fmt, ...) \
device_printf((dev), "info: " fmt, ## __VA_ARGS__)
#define dev_dbg(dev, fmt, ...) do { \
if ((drm_debug_flag& DRM_DEBUGBITS_KMS) != 0) { \
device_printf((dev), "debug: " fmt, ## __VA_ARGS__); \
} \
} while (0)
typedef struct drm_pci_id_list
{
int vendor;
int device;
long driver_private;
char *name;
} drm_pci_id_list_t;
struct drm_msi_blacklist_entry
{
int vendor;
int device;
};
#define DRM_AUTH 0x1
#define DRM_MASTER 0x2
#define DRM_ROOT_ONLY 0x4
#define DRM_CONTROL_ALLOW 0x8
#define DRM_UNLOCKED 0x10
typedef struct drm_ioctl_desc {
unsigned long cmd;
int (*func)(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int flags;
unsigned int cmd_drv;
} drm_ioctl_desc_t;
/**
* Creates a driver or general drm_ioctl_desc array entry for the given
* ioctl, for use by drm_ioctl().
*/
#define DRM_IOCTL_DEF(ioctl, func, flags) \
[DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags}
#define DRM_IOCTL_DEF_DRV(ioctl, _func, _flags) \
[DRM_IOCTL_NR(DRM_##ioctl)] = {.cmd = DRM_##ioctl, .func = _func, .flags = _flags, .cmd_drv = DRM_IOCTL_##ioctl}
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 waiting; /**< On kernel DMA queue */
__volatile__ int pending; /**< On hardware DMA queue */
struct drm_file *file_priv; /**< Private of holding file descr */
int context; /**< Kernel queue for this buffer */
int while_locked; /**< Dispatch this buffer while locked */
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 storage */
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;
bus_dma_tag_t tag;
bus_dmamap_t map;
} 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;
/* Event queued up for userspace to read */
struct drm_pending_event {
struct drm_event *event;
struct list_head link;
struct drm_file *file_priv;
pid_t pid; /* pid of requester, no guarantee it's valid by the time
we deliver the event, for tracing only */
void (*destroy)(struct drm_pending_event *event);
};
/* initial implementaton using a linked list - todo hashtab */
struct drm_prime_file_private {
struct list_head head;
#ifdef DUMBBELL_WIP
struct mutex lock;
#endif /* DUMBBELL_WIP */
};
typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t;
struct drm_file {
TAILQ_ENTRY(drm_file) link;
struct drm_device *dev;
int authenticated;
int master;
pid_t pid;
uid_t uid;
drm_magic_t magic;
unsigned long ioctl_count;
void *driver_priv;
struct drm_gem_names object_names;
int is_master;
struct drm_master *masterp;
struct list_head fbs;
struct list_head event_list;
int event_space;
struct selinfo event_poll;
struct drm_prime_file_private prime;
};
typedef struct drm_lock_data {
struct drm_hw_lock *hw_lock; /* Hardware lock */
struct drm_file *file_priv; /* 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 struct drm_device, 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 {
struct drm_buf_entry bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */
int buf_count; /**< total number of buffers */
struct drm_buf **buflist; /**< Vector of pointers into drm_device_dma::bufs */
int seg_count;
int page_count; /**< number of pages */
unsigned long *pagelist; /**< page list */
unsigned long byte_count;
enum {
_DRM_DMA_USE_AGP = 0x01,
_DRM_DMA_USE_SG = 0x02,
_DRM_DMA_USE_FB = 0x04,
_DRM_DMA_USE_PCI_RO = 0x08
} 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 {
vm_offset_t vaddr;
vm_paddr_t *busaddr;
vm_pindex_t pages;
} drm_sg_mem_t;
#define DRM_MAP_HANDLE_BITS (sizeof(void *) == 4 ? 4 : 24)
#define DRM_MAP_HANDLE_SHIFT (sizeof(void *) * 8 - DRM_MAP_HANDLE_BITS)
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) */
enum drm_map_type type; /* Type of memory mapped */
enum drm_map_flags 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 */
void *virtual; /* Kernel-space: kernel-virtual address */
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;
struct drm_vblank_info {
wait_queue_head_t queue; /* vblank wait queue */
atomic_t count; /* number of VBLANK interrupts */
/* (driver must alloc the right number of counters) */
atomic_t refcount; /* number of users of vblank interrupts */
u32 last; /* protected by dev->vbl_lock, used */
/* for wraparound handling */
int enabled; /* so we don't call enable more than */
/* once per disable */
int inmodeset; /* Display driver is setting mode */
};
/* location of GART table */
#define DRM_ATI_GART_MAIN 1
#define DRM_ATI_GART_FB 2
#define DRM_ATI_GART_PCI 1
#define DRM_ATI_GART_PCIE 2
#define DRM_ATI_GART_IGP 3
struct drm_ati_pcigart_info {
int gart_table_location;
int gart_reg_if;
void *addr;
dma_addr_t bus_addr;
dma_addr_t table_mask;
dma_addr_t member_mask;
struct drm_dma_handle *table_handle;
drm_local_map_t mapping;
int table_size;
struct drm_dma_handle *dmah; /* handle for ATI PCIGART table */
};
typedef vm_paddr_t resource_size_t;
/**
* GEM specific mm private for tracking GEM objects
*/
struct drm_gem_mm {
struct drm_open_hash offset_hash; /**< User token hash table for maps */
struct unrhdr *idxunr;
};
struct drm_gem_object {
/** Reference count of this object */
u_int refcount;
/** Handle count of this object. Each handle also holds a reference */
u_int handle_count; /* number of handles on this object */
/** Related drm device */
struct drm_device *dev;
/** File representing the shmem storage: filp in Linux parlance */
vm_object_t vm_obj;
bool on_map;
struct drm_hash_item map_list;
/**
* 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;
#ifdef DUMBBELL_WIP
/* dma buf exported from this GEM object */
struct dma_buf *export_dma_buf;
/* dma buf attachment backing this object */
struct dma_buf_attachment *import_attach;
#endif /* DUMBBELL_WIP */
};
#include "drm_crtc.h"
/* per-master structure */
struct drm_master {
u_int refcount; /* refcount for this master */
struct list_head head; /**< each minor contains a list of masters */
struct drm_minor *minor; /**< link back to minor we are a master for */
char *unique; /**< Unique identifier: e.g., busid */
int unique_len; /**< Length of unique field */
int unique_size; /**< amount allocated */
int blocked; /**< Blocked due to VC switch? */
/** \name Authentication */
/*@{ */
struct drm_open_hash magiclist;
struct list_head magicfree;
/*@} */
struct drm_lock_data lock; /**< Information on hardware lock */
void *driver_priv; /**< Private structure for driver to use */
};
/* Size of ringbuffer for vblank timestamps. Just double-buffer
* in initial implementation.
*/
#define DRM_VBLANKTIME_RBSIZE 2
/* Flags and return codes for get_vblank_timestamp() driver function. */
#define DRM_CALLED_FROM_VBLIRQ 1
#define DRM_VBLANKTIME_SCANOUTPOS_METHOD (1 << 0)
#define DRM_VBLANKTIME_INVBL (1 << 1)
/* get_scanout_position() return flags */
#define DRM_SCANOUTPOS_VALID (1 << 0)
#define DRM_SCANOUTPOS_INVBL (1 << 1)
#define DRM_SCANOUTPOS_ACCURATE (1 << 2)
#ifndef DMA_BIT_MASK
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1)
#endif
#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))
struct drm_driver_info {
int (*load)(struct drm_device *, unsigned long flags);
int (*use_msi)(struct drm_device *, unsigned long flags);
int (*firstopen)(struct drm_device *);
int (*open)(struct drm_device *, struct drm_file *);
void (*preclose)(struct drm_device *, struct drm_file *file_priv);
void (*postclose)(struct drm_device *, struct drm_file *);
void (*lastclose)(struct drm_device *);
int (*unload)(struct drm_device *);
void (*reclaim_buffers_locked)(struct drm_device *,
struct drm_file *file_priv);
int (*dma_ioctl)(struct drm_device *dev, void *data,
struct drm_file *file_priv);
void (*dma_ready)(struct drm_device *);
int (*dma_quiescent)(struct drm_device *);
int (*dma_flush_block_and_flush)(struct drm_device *, int context,
enum drm_lock_flags flags);
int (*dma_flush_unblock)(struct drm_device *, int context,
enum drm_lock_flags 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)(struct drm_device *dev);
int (*irq_postinstall)(struct drm_device *dev);
void (*irq_uninstall)(struct drm_device *dev);
void (*irq_handler)(DRM_IRQ_ARGS);
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);
int (*get_scanout_position)(struct drm_device *dev, int crtc,
int *vpos, int *hpos);
int (*get_vblank_timestamp)(struct drm_device *dev, int crtc,
int *max_error, struct timeval *vblank_time,
unsigned flags);
int (*gem_init_object)(struct drm_gem_object *obj);
void (*gem_free_object)(struct drm_gem_object *obj);
int (*gem_open_object)(struct drm_gem_object *, struct drm_file *);
void (*gem_close_object)(struct drm_gem_object *, struct drm_file *);
struct cdev_pager_ops *gem_pager_ops;
int (*dumb_create)(struct drm_file *file_priv,
struct drm_device *dev, struct drm_mode_create_dumb *args);
int (*dumb_map_offset)(struct drm_file *file_priv,
struct drm_device *dev, uint32_t handle, uint64_t *offset);
int (*dumb_destroy)(struct drm_file *file_priv,
struct drm_device *dev, uint32_t handle);
int (*sysctl_init)(struct drm_device *dev,
struct sysctl_ctx_list *ctx, struct sysctl_oid *top);
void (*sysctl_cleanup)(struct drm_device *dev);
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;
#ifdef COMPAT_FREEBSD32
drm_ioctl_desc_t *compat_ioctls;
int *compat_ioctls_nr;
#endif
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. */
u32 driver_features;
};
/**
* DRM minor structure. This structure represents a drm minor number.
*/
struct drm_minor {
int index; /**< Minor device number */
int type; /**< Control or render */
device_t kdev; /**< OS device */
struct drm_device *dev;
struct drm_master *master; /* currently active master for this node */
struct list_head master_list;
struct drm_mode_group mode_group;
};
/* mode specified on the command line */
struct drm_cmdline_mode {
bool specified;
bool refresh_specified;
bool bpp_specified;
int xres, yres;
int bpp;
int refresh;
bool rb;
bool interlace;
bool cvt;
bool margins;
enum drm_connector_force force;
};
struct drm_pending_vblank_event {
struct drm_pending_event base;
int pipe;
struct drm_event_vblank event;
};
/* Length for the array of resource pointers for drm_get_resource_*. */
#define DRM_MAX_PCI_RESOURCE 6
/**
* DRM device structure. This structure represent a complete card that
* may contain multiple heads.
*/
struct drm_device {
struct drm_driver_info *driver;
drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
uint16_t pci_device; /* PCI device id */
uint16_t pci_vendor; /* PCI vendor id */
uint16_t pci_subdevice; /* PCI subsystem device id */
uint16_t pci_subvendor; /* PCI subsystem vendor id */
char *unique; /* Unique identifier: e.g., busid */
int unique_len; /* Length of unique field */
device_t device; /* Device instance from newbus */
struct cdev *devnode; /* Device number for mknod */
int if_version; /* Highest interface version set */
int flags; /* Flags to open(2) */
/* Locks */
struct mtx dma_lock; /* protects dev->dma */
struct mtx irq_lock; /* protects irq condition checks */
struct mtx dev_lock; /* protects everything else */
struct sx dev_struct_lock;
DRM_SPINTYPE drw_lock;
/* Usage Counters */
int open_count; /* Outstanding files open */
int buf_use; /* Buffers in use -- cannot alloc */
/* Performance counters */
unsigned long counters;
enum drm_stat_type 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;
struct unrhdr *map_unrhdr;
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 */
int msi_enabled; /* MSI enabled */
int irqrid; /* Interrupt used by board */
struct resource *irqr; /* Resource for interrupt used by board */
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 num_crtcs;
struct sigio *buf_sigio; /* Processes waiting for SIGIO */
/* Sysctl support */
struct drm_sysctl_info *sysctl;
int sysctl_node_idx;
drm_agp_head_t *agp;
drm_sg_mem_t *sg; /* Scatter gather memory */
unsigned long *ctx_bitmap;
void *dev_private;
unsigned int agp_buffer_token;
drm_local_map_t *agp_buffer_map;
struct drm_minor *control; /**< Control node for card */
struct drm_minor *primary; /**< render type primary screen head */
void *drm_ttm_bdev;
struct unrhdr *drw_unrhdr;
/* RB tree of drawable infos */
RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head;
int vblank_disable_allowed;
atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */
struct timeval *_vblank_time; /**< timestamp of current vblank_count (drivers must alloc right number of fields) */
struct mtx vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */
struct mtx vbl_lock;
atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */
u32 *last_vblank; /* protected by dev->vbl_lock, used */
/* for wraparound handling */
int *vblank_enabled; /* so we don't call enable more than
once per disable */
int *vblank_inmodeset; /* Display driver is setting mode */
u32 *last_vblank_wait; /* Last vblank seqno waited per CRTC */
struct callout vblank_disable_callout;
u32 max_vblank_count; /**< size of vblank counter register */
struct list_head vblank_event_list;
struct mtx event_lock;
struct drm_mode_config mode_config; /**< Current mode config */
/* GEM part */
struct sx object_name_lock;
struct drm_gem_names object_names;
void *mm_private;
void *sysctl_private;
char busid_str[128];
int modesetting;
int switch_power_state;
};
#define DRM_SWITCH_POWER_ON 0
#define DRM_SWITCH_POWER_OFF 1
#define DRM_SWITCH_POWER_CHANGING 2
static __inline__ int drm_core_check_feature(struct drm_device *dev,
int feature)
{
return ((dev->driver->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
enum dmi_field {
DMI_NONE,
DMI_BIOS_VENDOR,
DMI_BIOS_VERSION,
DMI_BIOS_DATE,
DMI_SYS_VENDOR,
DMI_PRODUCT_NAME,
DMI_PRODUCT_VERSION,
DMI_PRODUCT_SERIAL,
DMI_PRODUCT_UUID,
DMI_BOARD_VENDOR,
DMI_BOARD_NAME,
DMI_BOARD_VERSION,
DMI_BOARD_SERIAL,
DMI_BOARD_ASSET_TAG,
DMI_CHASSIS_VENDOR,
DMI_CHASSIS_TYPE,
DMI_CHASSIS_VERSION,
DMI_CHASSIS_SERIAL,
DMI_CHASSIS_ASSET_TAG,
DMI_STRING_MAX,
};
struct dmi_strmatch {
unsigned char slot;
char substr[79];
};
struct dmi_system_id {
int (*callback)(const struct dmi_system_id *);
const char *ident;
struct dmi_strmatch matches[4];
};
#define DMI_MATCH(a, b) {(a), (b)}
bool dmi_check_system(const struct dmi_system_id *);
extern int drm_debug_flag;
extern int drm_notyet_flag;
extern unsigned int drm_vblank_offdelay;
extern unsigned int drm_timestamp_precision;
extern unsigned int drm_timestamp_monotonic;
/* Device setup support (drm_drv.c) */
int drm_probe(device_t kdev, drm_pci_id_list_t *idlist);
int drm_attach(device_t kdev, drm_pci_id_list_t *idlist);
int drm_create_cdevs(device_t kdev);
void drm_close(void *data);
int drm_detach(device_t kdev);
d_ioctl_t drm_ioctl;
d_open_t drm_open;
d_read_t drm_read;
d_poll_t drm_poll;
d_mmap_t drm_mmap;
extern drm_local_map_t *drm_getsarea(struct drm_device *dev);
void drm_event_wakeup(struct drm_pending_event *e);
int drm_add_busid_modesetting(struct drm_device *dev,
struct sysctl_ctx_list *ctx, struct sysctl_oid *top);
/* File operations helpers (drm_fops.c) */
extern int drm_open_helper(struct cdev *kdev, int flags, int fmt,
DRM_STRUCTPROC *p,
struct drm_device *dev);
#ifdef DUMBBELL_WIP
extern int drm_gem_prime_handle_to_fd(struct drm_device *dev,
struct drm_file *file_priv, uint32_t handle, uint32_t flags,
int *prime_fd);
extern int drm_gem_prime_fd_to_handle(struct drm_device *dev,
struct drm_file *file_priv, int prime_fd, uint32_t *handle);
extern int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
#ifdef DUMBBELL_WIP
/*
* See drm_prime.c
* -- dumbbell@
*/
extern int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, vm_page_t *pages,
dma_addr_t *addrs, int max_pages);
#endif /* DUMBBELL_WIP */
extern struct sg_table *drm_prime_pages_to_sg(vm_page_t *pages, int nr_pages);
extern void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg);
void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
int drm_prime_add_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle);
int drm_prime_lookup_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle);
void drm_prime_remove_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf);
int drm_prime_add_dma_buf(struct drm_device *dev, struct drm_gem_object *obj);
int drm_prime_lookup_obj(struct drm_device *dev, struct dma_buf *buf,
struct drm_gem_object **obj);
#endif /* DUMBBELL_WIP */
/* Memory management support (drm_memory.c) */
void drm_mem_init(void);
void drm_mem_uninit(void);
void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map);
void *drm_ioremap(struct drm_device *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(struct drm_device *dev, int old, int new);
int drm_context_switch_complete(struct drm_device *dev, int new);
int drm_ctxbitmap_init(struct drm_device *dev);
void drm_ctxbitmap_cleanup(struct drm_device *dev);
void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
int drm_ctxbitmap_next(struct drm_device *dev);
/* Locking IOCTL support (drm_lock.c) */
int drm_lock_take(struct drm_lock_data *lock_data,
unsigned int context);
int drm_lock_transfer(struct drm_lock_data *lock_data,
unsigned int context);
int drm_lock_free(struct drm_lock_data *lock_data,
unsigned int context);
/* Buffer management support (drm_bufs.c) */
unsigned long drm_get_resource_start(struct drm_device *dev,
unsigned int resource);
unsigned long drm_get_resource_len(struct drm_device *dev,
unsigned int resource);
void drm_rmmap(struct drm_device *dev, drm_local_map_t *map);
int drm_order(unsigned long size);
int drm_addmap(struct drm_device *dev, unsigned long offset,
unsigned long size,
enum drm_map_type type, enum drm_map_flags flags,
drm_local_map_t **map_ptr);
int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request);
int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request);
int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request);
/* DMA support (drm_dma.c) */
int drm_dma_setup(struct drm_device *dev);
void drm_dma_takedown(struct drm_device *dev);
void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf);
void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv);
#define drm_core_reclaim_buffers drm_reclaim_buffers
/* IRQ support (drm_irq.c) */
int drm_irq_install(struct drm_device *dev);
int drm_irq_uninstall(struct drm_device *dev);
irqreturn_t drm_irq_handler(DRM_IRQ_ARGS);
void drm_driver_irq_preinstall(struct drm_device *dev);
void drm_driver_irq_postinstall(struct drm_device *dev);
void drm_driver_irq_uninstall(struct drm_device *dev);
void drm_vblank_pre_modeset(struct drm_device *dev, int crtc);
void drm_vblank_post_modeset(struct drm_device *dev, int crtc);
int drm_modeset_ctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int drm_vblank_init(struct drm_device *dev, int num_crtcs);
extern int drm_wait_vblank(struct drm_device *dev, void *data,
struct drm_file *filp);
extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
extern u32 drm_vblank_count(struct drm_device *dev, int crtc);
extern u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc,
struct timeval *vblanktime);
extern bool drm_handle_vblank(struct drm_device *dev, int crtc);
void drm_handle_vblank_events(struct drm_device *dev, int crtc);
extern int drm_vblank_get(struct drm_device *dev, int crtc);
extern void drm_vblank_put(struct drm_device *dev, int crtc);
extern void drm_vblank_off(struct drm_device *dev, int crtc);
extern void drm_vblank_cleanup(struct drm_device *dev);
extern u32 drm_get_last_vbltimestamp(struct drm_device *dev, int crtc,
struct timeval *tvblank, unsigned flags);
extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
int crtc, int *max_error,
struct timeval *vblank_time,
unsigned flags,
struct drm_crtc *refcrtc);
extern void drm_calc_timestamping_constants(struct drm_crtc *crtc);
struct timeval ns_to_timeval(const int64_t nsec);
int64_t timeval_to_ns(const struct timeval *tv);
/* AGP/PCI Express/GART support (drm_agpsupport.c) */
int drm_device_is_agp(struct drm_device *dev);
int drm_device_is_pcie(struct drm_device *dev);
drm_agp_head_t *drm_agp_init(void);
int drm_agp_acquire(struct drm_device *dev);
int drm_agp_release(struct drm_device *dev);
int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info);
int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
void *drm_agp_allocate_memory(size_t pages, u32 type);
int drm_agp_free_memory(void *handle);
int drm_agp_bind_memory(void *handle, off_t start);
int drm_agp_unbind_memory(void *handle);
int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
/* Scatter Gather Support (drm_scatter.c) */
void drm_sg_cleanup(drm_sg_mem_t *entry);
int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request);
/* sysctl support (drm_sysctl.h) */
extern int drm_sysctl_init(struct drm_device *dev);
extern int drm_sysctl_cleanup(struct drm_device *dev);
/* ATI PCIGART support (ati_pcigart.c) */
int drm_ati_pcigart_init(struct drm_device *dev,
struct drm_ati_pcigart_info *gart_info);
int drm_ati_pcigart_cleanup(struct drm_device *dev,
struct drm_ati_pcigart_info *gart_info);
/* Cache management (drm_memory.c) */
void drm_clflush_pages(vm_page_t *pages, unsigned long num_pages);
/* Locking IOCTL support (drm_drv.c) */
int drm_lock(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_unlock(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_version(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_setversion(struct drm_device *dev, void *data,
struct drm_file *file_priv);
/* Misc. IOCTL support (drm_ioctl.c) */
int drm_irq_by_busid(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_getunique(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_setunique(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_getmap(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_getclient(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_getstats(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_getcap(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_noop(struct drm_device *dev, void *data,
struct drm_file *file_priv);
/* Context IOCTL support (drm_context.c) */
int drm_resctx(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_addctx(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_modctx(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_getctx(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_switchctx(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_newctx(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_rmctx(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_setsareactx(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_getsareactx(struct drm_device *dev, void *data,
struct drm_file *file_priv);
/* Drawable IOCTL support (drm_drawable.c) */
int drm_adddraw(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_rmdraw(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_update_draw(struct drm_device *dev, void *data,
struct drm_file *file_priv);
struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev,
int handle);
/* Drawable support (drm_drawable.c) */
void drm_drawable_free_all(struct drm_device *dev);
/* Authentication IOCTL support (drm_auth.c) */
int drm_getmagic(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_authmagic(struct drm_device *dev, void *data,
struct drm_file *file_priv);
/* Buffer management support (drm_bufs.c) */
int drm_addmap_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_rmmap_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_addbufs(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_infobufs(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_markbufs(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_freebufs(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_mapbufs(struct drm_device *dev, void *data,
struct drm_file *file_priv);
/* DMA support (drm_dma.c) */
int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv);
/* IRQ support (drm_irq.c) */
int drm_control(struct drm_device *dev, void *data,
struct drm_file *file_priv);
/* AGP/GART support (drm_agpsupport.c) */
int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_agp_release_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_agp_info_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_agp_free_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
/* Stub support (drm_stub.h) */
extern int drm_setmaster_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
/* Scatter Gather Support (drm_scatter.c) */
int drm_sg_alloc_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_sg_free(struct drm_device *dev, void *data,
struct drm_file *file_priv);
/* consistent PCI memory functions (drm_pci.c) */
drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size,
size_t align, dma_addr_t maxaddr);
void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah);
/* Graphics Execution Manager library functions (drm_gem.c) */
int drm_gem_init(struct drm_device *dev);
void drm_gem_destroy(struct drm_device *dev);
int drm_gem_close_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_gem_open_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_gem_handle_create(struct drm_file *file_priv,
struct drm_gem_object *obj,
u32 *handlep);
int drm_gem_handle_delete(struct drm_file *file_priv, uint32_t handle);
void drm_gem_object_handle_reference(struct drm_gem_object *obj);
void drm_gem_object_handle_unreference(struct drm_gem_object *obj);
void drm_gem_object_handle_unreference_unlocked(struct drm_gem_object *obj);
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);
void drm_gem_object_unreference_unlocked(struct drm_gem_object *obj);
void drm_gem_object_release(struct drm_gem_object *obj);
void drm_gem_object_free(struct drm_gem_object *obj);
int drm_gem_object_init(struct drm_device *dev, struct drm_gem_object *obj,
size_t size);
int drm_gem_private_object_init(struct drm_device *dev,
struct drm_gem_object *obj, size_t size);
struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev,
size_t size);
struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev,
struct drm_file *file_priv, uint32_t handle);
void drm_gem_open(struct drm_device *dev, struct drm_file *file_priv);
void drm_gem_release(struct drm_device *dev, struct drm_file *file_priv);
int drm_gem_create_mmap_offset(struct drm_gem_object *obj);
void drm_gem_free_mmap_offset(struct drm_gem_object *obj);
int drm_gem_mmap_single(struct drm_device *dev, vm_ooffset_t *offset,
vm_size_t size, struct vm_object **obj_res, int nprot);
void drm_gem_pager_dtr(void *obj);
struct ttm_bo_device;
int ttm_bo_mmap_single(struct ttm_bo_device *bdev, vm_ooffset_t *offset,
vm_size_t size, struct vm_object **obj_res, int nprot);
struct ttm_buffer_object;
void ttm_bo_release_mmap(struct ttm_buffer_object *bo);
void drm_device_lock_mtx(struct drm_device *dev);
void drm_device_unlock_mtx(struct drm_device *dev);
int drm_device_sleep_mtx(struct drm_device *dev, void *chan, int flags,
const char *msg, int timeout);
void drm_device_assert_mtx_locked(struct drm_device *dev);
void drm_device_assert_mtx_unlocked(struct drm_device *dev);
void drm_device_lock_struct(struct drm_device *dev);
void drm_device_unlock_struct(struct drm_device *dev);
int drm_device_sleep_struct(struct drm_device *dev, void *chan, int flags,
const char *msg, int timeout);
void drm_device_assert_struct_locked(struct drm_device *dev);
void drm_device_assert_struct_unlocked(struct drm_device *dev);
void drm_compat_locking_init(struct drm_device *dev);
void drm_sleep_locking_init(struct drm_device *dev);
/* drm_modes.c */
bool drm_mode_parse_command_line_for_connector(const char *mode_option,
struct drm_connector *connector, struct drm_cmdline_mode *mode);
struct drm_display_mode *drm_mode_create_from_cmdline_mode(
struct drm_device *dev, struct drm_cmdline_mode *cmd);
/* drm_edid.c */
u8 *drm_find_cea_extension(struct edid *edid);
/* Inline replacements for drm_alloc and friends */
static __inline__ void *
drm_alloc(size_t size, struct malloc_type *area)
{
return malloc(size, area, M_NOWAIT);
}
static __inline__ void *
drm_calloc(size_t nmemb, size_t size, struct malloc_type *area)
{
return malloc(size * nmemb, area, M_NOWAIT | M_ZERO);
}
static __inline__ void *
drm_realloc(void *oldpt, size_t oldsize, size_t size,
struct malloc_type *area)
{
return reallocf(oldpt, size, area, M_NOWAIT);
}
static __inline__ void
drm_free(void *pt, size_t size, struct malloc_type *area)
{
free(pt, area);
}
/* Inline replacements for DRM_IOREMAP macros */
static __inline__ void
drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev)
{
map->virtual = drm_ioremap_wc(dev, map);
}
static __inline__ void
drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev)
{
map->virtual = drm_ioremap(dev, map);
}
static __inline__ void
drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev)
{
if ( map->virtual && map->size )
drm_ioremapfree(map);
}
static __inline__ struct drm_local_map *
drm_core_findmap(struct drm_device *dev, unsigned long offset)
{
drm_local_map_t *map;
DRM_LOCK_ASSERT(dev);
TAILQ_FOREACH(map, &dev->maplist, link) {
if (offset == (unsigned long)map->handle)
return map;
}
return NULL;
}
static __inline__ void drm_core_dropmap(struct drm_map *map)
{
}
#define DRM_PCIE_SPEED_25 1
#define DRM_PCIE_SPEED_50 2
#define DRM_PCIE_SPEED_80 4
extern int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask);
#define drm_can_sleep() (DRM_HZ & 1)
#endif /* __KERNEL__ */
#endif /* _DRM_P_H_ */
