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Wrap all agp/gart module functions in DRM API

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This commit is contained in:
Rik Faith 1999-12-17 17:20:31 +00:00
parent 5cce83d838
commit 4302fe7ce0
8 changed files with 428 additions and 60 deletions
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42
linux-core/drmP.h
View file

@ -1,6 +1,6 @@
/* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*-
* Created: Mon Jan 4 10:05:05 1999 by faith@dict.org
* Revised: Mon Dec 13 14:18:42 1999 by faith@dict.org
* Revised: Fri Dec 17 06:22:04 1999 by faith@dict.org
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* All rights reserved.
@ -390,15 +390,23 @@ typedef struct drm_device_dma {
#ifdef DRM_AGP
typedef struct drm_agp_mem {
agp_memory *handle;
unsigned long handle;
agp_memory *memory;
unsigned long bound; /* address */
int pages;
struct drm_agp_mem *prev;
struct drm_agp_mem *next;
} drm_agp_mem_t;
typedef struct drm_agp_info {
agp_kern_info agp_info;
const char *chipset;
drm_agp_mem_t *memory;
} drm_agp_info_t;
typedef struct drm_agp_head {
agp_kern_info agp_info;
const char *chipset;
drm_agp_mem_t *memory;
unsigned long mode;
int enabled;
int acquired;
unsigned long base;
} drm_agp_head_t;
typedef struct {
void (*free_memory)(agp_memory *);
@ -494,7 +502,7 @@ typedef struct drm_device {
wait_queue_head_t buf_writers; /* Processes waiting to ctx switch */
#ifdef DRM_AGP
drm_agp_info_t *agp;
drm_agp_head_t *agp;
#endif
} drm_device_t;
@ -686,7 +694,23 @@ extern int drm_flush_block_and_flush(drm_device_t *dev, int context,
#ifdef DRM_AGP
/* AGP/GART support (agpsupport.c) */
extern drm_agp_info_t *drm_agp_init(void);
extern drm_agp_head_t *drm_agp_init(void);
extern int drm_agp_acquire(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_release(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_enable(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_info(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_alloc(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_free(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_unbind(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_bind(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
#endif
#endif
#endif

9
linux-core/r128_drv.c
View file

@ -1,6 +1,6 @@
/* r128_drv.c -- ATI Rage 128 driver -*- linux-c -*-
* Created: Mon Dec 13 09:47:27 1999 by faith@precisioninsight.com
* Revised: Mon Dec 13 14:12:33 1999 by faith@precisioninsight.com
* Revised: Fri Dec 17 06:23:07 1999 by faith@precisioninsight.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* All Rights Reserved.
@ -228,6 +228,13 @@ static int r128_takedown(drm_device_t *dev)
}
dev->magiclist[i].head = dev->magiclist[i].tail = NULL;
}
/* Clear AGP information */
if (dev->agp) {
/* FIXME -- free other information, too */
drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS);
dev->agp = NULL;
}
/* Clear vma list (only built for debugging) */
if (dev->vmalist) {

248
linux/agpsupport.c
View file

@ -1,6 +1,6 @@
/* agpsupport.c -- DRM support for AGP/GART backend -*- linux-c -*-
* Created: Mon Dec 13 09:56:45 1999 by faith@precisioninsight.com
* Revised: Mon Dec 13 15:26:28 1999 by faith@precisioninsight.com
* Revised: Fri Dec 17 06:22:05 1999 by faith@precisioninsight.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* All Rights Reserved.
@ -34,6 +34,9 @@
drm_agp_func_t drm_agp = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL };
/* The C standard says that 'void *' is not guaranteed to hold a function
pointer, so we use this union to define a generic pointer that is
guaranteed to hold any of the function pointers we care about. */
typedef union {
void (*free_memory)(agp_memory *);
agp_memory *(*allocate_memory)(size_t, u32);
@ -63,29 +66,200 @@ static drm_agp_fill_t drm_agp_fill[] = {
{ NULL, NULL }
};
int drm_agp_free(agp_memory *handle)
int drm_agp_info(struct inode *inode, struct file *filp, unsigned int cmd,
unsigned long arg)
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
agp_kern_info *kern;
drm_agp_info_t info;
if (!dev->agp->acquired || !drm_agp.copy_info) return -EINVAL;
kern = &dev->agp->agp_info;
info.agp_version_major = kern->version.major;
info.agp_version_minor = kern->version.minor;
info.mode = kern->mode;
info.aperture_base = kern->aper_base;
info.aperture_size = kern->aper_size * 1024 * 1024;
info.memory_allowed = kern->max_memory << PAGE_SHIFT;
info.memory_used = kern->current_memory << PAGE_SHIFT;
info.id_vendor = kern->device->vendor;
info.id_device = kern->device->device;
copy_to_user_ret((drm_agp_info_t *)arg, &info, sizeof(info), -EFAULT);
return 0;
}
agp_memory *allocate_memory(size_t page_count, u32 type) { return NULL; }
int bind_memory(agp_memory *curr, off_t pg_start) { return -EINVAL; }
int unbind_memory(agp_memory *curr) { return -EINVAL; }
void enable(u32 mode) { return; }
int acquire(void);
void (*release)(void);
void (*copy_info)(agp_kern_info *);
unsigned long drm_agp_alloc(unsigned long page_count)
int drm_agp_acquire(struct inode *inode, struct file *filp, unsigned int cmd,
unsigned long arg)
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
int retcode;
if (dev->agp->acquired || !drm_agp.acquire) return -EINVAL;
if ((retcode = (*drm_agp.acquire)())) return retcode;
dev->agp->acquired = 1;
return 0;
}
int drm_agp_release(struct inode *inode, struct file *filp, unsigned int cmd,
unsigned long arg)
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_agp_info_t *drm_agp_init(void)
if (!dev->agp->acquired || !drm_agp.release) return -EINVAL;
(*drm_agp.release)();
dev->agp->acquired = 0;
return 0;
}
int drm_agp_enable(struct inode *inode, struct file *filp, unsigned int cmd,
unsigned long arg)
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_agp_mode_t mode;
if (!dev->agp->acquired || !drm_agp.enable) return -EINVAL;
copy_from_user_ret(&mode, (drm_agp_mode_t *)arg, sizeof(mode),
-EFAULT);
dev->agp->mode = mode.mode;
(*drm_agp.enable)(mode.mode);
dev->agp->base = dev->agp->agp_info.aper_base;
dev->agp->enabled = 1;
return 0;
}
int drm_agp_alloc(struct inode *inode, struct file *filp, unsigned int cmd,
unsigned long arg)
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_agp_buffer_t request;
drm_agp_mem_t *entry;
agp_memory *memory;
unsigned long pages;
if (!dev->agp->acquired) return -EINVAL;
copy_from_user_ret(&request, (drm_agp_buffer_t *)arg, sizeof(request),
-EFAULT);
if (!(entry = drm_alloc(sizeof(*entry), DRM_MEM_AGPLISTS)))
return -ENOMEM;
pages = (request.size + PAGE_SIZE - 1) / PAGE_SIZE;
if (!(memory = drm_alloc_agp(request.size))) {
drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS);
return -ENOMEM;
}
entry->handle = (unsigned long)memory->memory;
entry->memory = memory;
entry->bound = 0;
entry->pages = pages;
entry->prev = NULL;
entry->next = dev->agp->memory;
if (dev->agp->memory) dev->agp->memory->prev = entry;
dev->agp->memory = entry;
request.handle = entry->handle;
if (copy_to_user((drm_agp_buffer_t *)arg, &request, sizeof(request))) {
dev->agp->memory = entry->next;
dev->agp->memory->prev = NULL;
drm_free_agp(memory, request.size);
drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS);
return -EFAULT;
}
return 0;
}
static drm_agp_mem_t *drm_agp_lookup_entry(drm_device_t *dev,
unsigned long handle)
{
drm_agp_mem_t *entry;
for (entry = dev->agp->memory; entry; entry = entry->next) {
if (entry->handle == handle) return entry;
}
return NULL;
}
static int drm_agp_unbind_entry(drm_device_t *dev, drm_agp_mem_t *entry)
{
if (!dev->agp->acquired || !drm_agp.unbind_memory) return -EINVAL;
return (*drm_agp.unbind_memory)(entry->memory);
}
int drm_agp_unbind(struct inode *inode, struct file *filp, unsigned int cmd,
unsigned long arg)
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_agp_binding_t request;
drm_agp_mem_t *entry;
if (!dev->agp->acquired) return -EINVAL;
copy_from_user_ret(&request, (drm_agp_binding_t *)arg, sizeof(request),
-EFAULT);
if (!(entry = drm_agp_lookup_entry(dev, request.handle)))
return -EINVAL;
if (!entry->bound) return -EINVAL;
return drm_agp_unbind_entry(dev, entry);
}
int drm_agp_bind(struct inode *inode, struct file *filp, unsigned int cmd,
unsigned long arg)
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_agp_binding_t request;
drm_agp_mem_t *entry;
int retcode;
int page;
if (!dev->agp->acquired || !drm_agp.bind_memory) return -EINVAL;
copy_from_user_ret(&request, (drm_agp_binding_t *)arg, sizeof(request),
-EFAULT);
if (!(entry = drm_agp_lookup_entry(dev, request.handle)))
return -EINVAL;
if (entry->bound) return -EINVAL;
page = (request.offset + PAGE_SIZE - 1) / PAGE_SIZE;
if ((retcode = (*drm_agp.bind_memory)(entry->memory, page)))
return retcode;
entry->bound = dev->agp->base + (page << PAGE_SHIFT);
return 0;
}
int drm_agp_free(struct inode *inode, struct file *filp, unsigned int cmd,
unsigned long arg)
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_agp_buffer_t request;
drm_agp_mem_t *entry;
if (!dev->agp->acquired) return -EINVAL;
copy_from_user_ret(&request, (drm_agp_buffer_t *)arg, sizeof(request),
-EFAULT);
if (!(entry = drm_agp_lookup_entry(dev, request.handle)))
return -EINVAL;
drm_agp_unbind_entry(dev, entry);
entry->prev->next = entry->next;
entry->next->prev = entry->prev;
drm_free_agp(entry->memory, entry->pages);
drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS);
return 0;
}
drm_agp_head_t *drm_agp_init(void)
{
drm_agp_fill_t *fill;
drm_agp_info_t *info = NULL;
drm_agp_head_t *head = NULL;
int agp_available = 1;
for (fill = &drm_agp_fill[0]; fill->name; fill++) {
@ -96,33 +270,33 @@ drm_agp_info_t *drm_agp_init(void)
}
if (agp_available) {
if (!(info = drm_alloc(sizeof(*info), DRM_MEM_AGPLISTS)))
if (!(head = drm_alloc(sizeof(*head), DRM_MEM_AGPLISTS)))
return NULL;
(*drm_agp.copy_info)(&info->agp_info);
info->memory = NULL;
switch (info->agp_info.chipset) {
case INTEL_GENERIC: info->chipset = "Intel"; break;
case INTEL_LX: info->chipset = "Intel 440LX"; break;
case INTEL_BX: info->chipset = "Intel 440BX"; break;
case INTEL_GX: info->chipset = "Intel 440GX"; break;
case INTEL_I810: info->chipset = "Intel i810"; break;
case VIA_GENERIC: info->chipset = "VIA"; break;
case VIA_VP3: info->chipset = "VIA VP3"; break;
case VIA_MVP3: info->chipset = "VIA MVP3"; break;
case VIA_APOLLO_PRO: info->chipset = "VIA Apollo Pro"; break;
case SIS_GENERIC: info->chipset = "SiS"; break;
case AMD_GENERIC: info->chipset = "AMD"; break;
case AMD_IRONGATE: info->chipset = "AMD Irongate"; break;
case ALI_GENERIC: info->chipset = "ALi"; break;
case ALI_M1541: info->chipset = "ALi M1541"; break;
(*drm_agp.copy_info)(&head->agp_info);
head->memory = NULL;
switch (head->agp_info.chipset) {
case INTEL_GENERIC: head->chipset = "Intel"; break;
case INTEL_LX: head->chipset = "Intel 440LX"; break;
case INTEL_BX: head->chipset = "Intel 440BX"; break;
case INTEL_GX: head->chipset = "Intel 440GX"; break;
case INTEL_I810: head->chipset = "Intel i810"; break;
case VIA_GENERIC: head->chipset = "VIA"; break;
case VIA_VP3: head->chipset = "VIA VP3"; break;
case VIA_MVP3: head->chipset = "VIA MVP3"; break;
case VIA_APOLLO_PRO: head->chipset = "VIA Apollo Pro"; break;
case SIS_GENERIC: head->chipset = "SiS"; break;
case AMD_GENERIC: head->chipset = "AMD"; break;
case AMD_IRONGATE: head->chipset = "AMD Irongate"; break;
case ALI_GENERIC: head->chipset = "ALi"; break;
case ALI_M1541: head->chipset = "ALi M1541"; break;
default:
}
DRM_INFO("AGP %d.%d on %s @ 0x%08lx %dMB\n",
info->agp_info.version.major,
info->agp_info.version.minor,
info->chipset,
info->agp_info.aper_base,
info->agp_info.aper_size);
head->agp_info.version.major,
head->agp_info.version.minor,
head->chipset,
head->agp_info.aper_base,
head->agp_info.aper_size);
}
return info;
return head;
}

46
linux/drm.h
View file

@ -1,6 +1,6 @@
/* drm.h -- Header for Direct Rendering Manager -*- linux-c -*-
* Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com
* Revised: Mon Dec 6 17:11:19 1999 by faith@precisioninsight.com
* Revised: Fri Dec 17 06:09:37 1999 by faith@precisioninsight.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* All rights reserved.
@ -238,6 +238,42 @@ typedef struct drm_irq_busid {
int funcnum;
} drm_irq_busid_t;
typedef struct drm_agp_mode {
unsigned long mode;
} drm_agp_mode_t;
/* For drm_agp_alloc -- allocated a buffer */
typedef struct drm_agp_buffer {
unsigned long size; /* In bytes -- will round to page boundary */
unsigned long handle; /* Used for BIND/UNBIND ioctls */
} drm_agp_buffer_t;
/* For drm_agp_bind */
typedef struct drm_agp_binding {
unsigned long handle; /* From drm_agp_buffer */
unsigned long offset; /* In bytes -- will round to page boundary */
} drm_agp_binding_t;
/* For drm_addmap */
typedef struct drm_agp_region {
unsigned long size; /* In bytes -- will round to page boundary */
unsigned long handle; /* Used for mmap */
} drm_agp_region_t;
typedef struct drm_agp_info {
int agp_version_major;
int agp_version_minor;
unsigned long mode;
unsigned long aperture_base; /* physical address */
unsigned long aperture_size; /* bytes */
unsigned long memory_allowed; /* bytes */
unsigned long memory_used;
/* PCI information */
unsigned short id_vendor;
unsigned short id_device;
} drm_agp_info_t;
#define DRM_IOCTL_BASE 'd'
#define DRM_IOCTL_NR(n) _IOC_NR(n)
#define DRM_IO(nr) _IO(DRM_IOCTL_BASE,nr)
@ -277,4 +313,12 @@ typedef struct drm_irq_busid {
#define DRM_IOCTL_UNLOCK DRM_IOW( 0x2b, drm_lock_t)
#define DRM_IOCTL_FINISH DRM_IOW( 0x2c, drm_lock_t)
#define DRM_IOCTL_AGP_ACQUIRE DRM_IO( 0x30)
#define DRM_IOCTL_AGP_RELEASE DRM_IO( 0x31)
#define DRM_IOCTL_AGP_ENABLE DRM_IOR( 0x32, drm_agp_mode_t)
#define DRM_IOCTL_AGP_ALLOC DRM_IOWR(0x33, drm_agp_buffer_t)
#define DRM_IOCTL_AGP_FREE DRM_IOW( 0x34, drm_agp_buffer_t)
#define DRM_IOCTL_AGP_BIND DRM_IOWR(0x35, drm_agp_region_t)
#define DRM_IOCTL_AGP_UNBIND DRM_IOW( 0x36, drm_agp_region_t)
#endif

42
linux/drmP.h
View file

@ -1,6 +1,6 @@
/* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*-
* Created: Mon Jan 4 10:05:05 1999 by faith@dict.org
* Revised: Mon Dec 13 14:18:42 1999 by faith@dict.org
* Revised: Fri Dec 17 06:22:04 1999 by faith@dict.org
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* All rights reserved.
@ -390,15 +390,23 @@ typedef struct drm_device_dma {
#ifdef DRM_AGP
typedef struct drm_agp_mem {
agp_memory *handle;
unsigned long handle;
agp_memory *memory;
unsigned long bound; /* address */
int pages;
struct drm_agp_mem *prev;
struct drm_agp_mem *next;
} drm_agp_mem_t;
typedef struct drm_agp_info {
agp_kern_info agp_info;
const char *chipset;
drm_agp_mem_t *memory;
} drm_agp_info_t;
typedef struct drm_agp_head {
agp_kern_info agp_info;
const char *chipset;
drm_agp_mem_t *memory;
unsigned long mode;
int enabled;
int acquired;
unsigned long base;
} drm_agp_head_t;
typedef struct {
void (*free_memory)(agp_memory *);
@ -494,7 +502,7 @@ typedef struct drm_device {
wait_queue_head_t buf_writers; /* Processes waiting to ctx switch */
#ifdef DRM_AGP
drm_agp_info_t *agp;
drm_agp_head_t *agp;
#endif
} drm_device_t;
@ -686,7 +694,23 @@ extern int drm_flush_block_and_flush(drm_device_t *dev, int context,
#ifdef DRM_AGP
/* AGP/GART support (agpsupport.c) */
extern drm_agp_info_t *drm_agp_init(void);
extern drm_agp_head_t *drm_agp_init(void);
extern int drm_agp_acquire(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_release(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_enable(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_info(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_alloc(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_free(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_unbind(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_bind(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
#endif
#endif
#endif

9
linux/r128_drv.c
View file

@ -1,6 +1,6 @@
/* r128_drv.c -- ATI Rage 128 driver -*- linux-c -*-
* Created: Mon Dec 13 09:47:27 1999 by faith@precisioninsight.com
* Revised: Mon Dec 13 14:12:33 1999 by faith@precisioninsight.com
* Revised: Fri Dec 17 06:23:07 1999 by faith@precisioninsight.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* All Rights Reserved.
@ -228,6 +228,13 @@ static int r128_takedown(drm_device_t *dev)
}
dev->magiclist[i].head = dev->magiclist[i].tail = NULL;
}
/* Clear AGP information */
if (dev->agp) {
/* FIXME -- free other information, too */
drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS);
dev->agp = NULL;
}
/* Clear vma list (only built for debugging) */
if (dev->vmalist) {

46
shared-core/drm.h
View file

@ -1,6 +1,6 @@
/* drm.h -- Header for Direct Rendering Manager -*- linux-c -*-
* Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com
* Revised: Mon Dec 6 17:11:19 1999 by faith@precisioninsight.com
* Revised: Fri Dec 17 06:09:37 1999 by faith@precisioninsight.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* All rights reserved.
@ -238,6 +238,42 @@ typedef struct drm_irq_busid {
int funcnum;
} drm_irq_busid_t;
typedef struct drm_agp_mode {
unsigned long mode;
} drm_agp_mode_t;
/* For drm_agp_alloc -- allocated a buffer */
typedef struct drm_agp_buffer {
unsigned long size; /* In bytes -- will round to page boundary */
unsigned long handle; /* Used for BIND/UNBIND ioctls */
} drm_agp_buffer_t;
/* For drm_agp_bind */
typedef struct drm_agp_binding {
unsigned long handle; /* From drm_agp_buffer */
unsigned long offset; /* In bytes -- will round to page boundary */
} drm_agp_binding_t;
/* For drm_addmap */
typedef struct drm_agp_region {
unsigned long size; /* In bytes -- will round to page boundary */
unsigned long handle; /* Used for mmap */
} drm_agp_region_t;
typedef struct drm_agp_info {
int agp_version_major;
int agp_version_minor;
unsigned long mode;
unsigned long aperture_base; /* physical address */
unsigned long aperture_size; /* bytes */
unsigned long memory_allowed; /* bytes */
unsigned long memory_used;
/* PCI information */
unsigned short id_vendor;
unsigned short id_device;
} drm_agp_info_t;
#define DRM_IOCTL_BASE 'd'
#define DRM_IOCTL_NR(n) _IOC_NR(n)
#define DRM_IO(nr) _IO(DRM_IOCTL_BASE,nr)
@ -277,4 +313,12 @@ typedef struct drm_irq_busid {
#define DRM_IOCTL_UNLOCK DRM_IOW( 0x2b, drm_lock_t)
#define DRM_IOCTL_FINISH DRM_IOW( 0x2c, drm_lock_t)
#define DRM_IOCTL_AGP_ACQUIRE DRM_IO( 0x30)
#define DRM_IOCTL_AGP_RELEASE DRM_IO( 0x31)
#define DRM_IOCTL_AGP_ENABLE DRM_IOR( 0x32, drm_agp_mode_t)
#define DRM_IOCTL_AGP_ALLOC DRM_IOWR(0x33, drm_agp_buffer_t)
#define DRM_IOCTL_AGP_FREE DRM_IOW( 0x34, drm_agp_buffer_t)
#define DRM_IOCTL_AGP_BIND DRM_IOWR(0x35, drm_agp_region_t)
#define DRM_IOCTL_AGP_UNBIND DRM_IOW( 0x36, drm_agp_region_t)
#endif

46
shared/drm.h
View file

@ -1,6 +1,6 @@
/* drm.h -- Header for Direct Rendering Manager -*- linux-c -*-
* Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com
* Revised: Mon Dec 6 17:11:19 1999 by faith@precisioninsight.com
* Revised: Fri Dec 17 06:09:37 1999 by faith@precisioninsight.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* All rights reserved.
@ -238,6 +238,42 @@ typedef struct drm_irq_busid {
int funcnum;
} drm_irq_busid_t;
typedef struct drm_agp_mode {
unsigned long mode;
} drm_agp_mode_t;
/* For drm_agp_alloc -- allocated a buffer */
typedef struct drm_agp_buffer {
unsigned long size; /* In bytes -- will round to page boundary */
unsigned long handle; /* Used for BIND/UNBIND ioctls */
} drm_agp_buffer_t;
/* For drm_agp_bind */
typedef struct drm_agp_binding {
unsigned long handle; /* From drm_agp_buffer */
unsigned long offset; /* In bytes -- will round to page boundary */
} drm_agp_binding_t;
/* For drm_addmap */
typedef struct drm_agp_region {
unsigned long size; /* In bytes -- will round to page boundary */
unsigned long handle; /* Used for mmap */
} drm_agp_region_t;
typedef struct drm_agp_info {
int agp_version_major;
int agp_version_minor;
unsigned long mode;
unsigned long aperture_base; /* physical address */
unsigned long aperture_size; /* bytes */
unsigned long memory_allowed; /* bytes */
unsigned long memory_used;
/* PCI information */
unsigned short id_vendor;
unsigned short id_device;
} drm_agp_info_t;
#define DRM_IOCTL_BASE 'd'
#define DRM_IOCTL_NR(n) _IOC_NR(n)
#define DRM_IO(nr) _IO(DRM_IOCTL_BASE,nr)
@ -277,4 +313,12 @@ typedef struct drm_irq_busid {
#define DRM_IOCTL_UNLOCK DRM_IOW( 0x2b, drm_lock_t)
#define DRM_IOCTL_FINISH DRM_IOW( 0x2c, drm_lock_t)
#define DRM_IOCTL_AGP_ACQUIRE DRM_IO( 0x30)
#define DRM_IOCTL_AGP_RELEASE DRM_IO( 0x31)
#define DRM_IOCTL_AGP_ENABLE DRM_IOR( 0x32, drm_agp_mode_t)
#define DRM_IOCTL_AGP_ALLOC DRM_IOWR(0x33, drm_agp_buffer_t)
#define DRM_IOCTL_AGP_FREE DRM_IOW( 0x34, drm_agp_buffer_t)
#define DRM_IOCTL_AGP_BIND DRM_IOWR(0x35, drm_agp_region_t)
#define DRM_IOCTL_AGP_UNBIND DRM_IOW( 0x36, drm_agp_region_t)
#endif