geemili
/
drm
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Import of XFree86 4.2.0

main
David Dawes 2002-01-27 18:23:04 +00:00
parent 16bd14926e
commit 14945ada16
23 changed files with 3227 additions and 1008 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

326
bsd-core/drm_agpsupport.c Normal file
View File

@ -0,0 +1,326 @@
/* drm_agpsupport.h -- DRM support for AGP/GART backend -*- linux-c -*-
* Created: Mon Dec 13 09:56:45 1999 by faith@precisioninsight.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Author:
* Rickard E. (Rik) Faith <faith@valinux.com>
* Gareth Hughes <gareth@valinux.com>
*/
#include "drmP.h"
#include <vm/vm.h>
#include <vm/pmap.h>
#if __REALLY_HAVE_AGP
#include <sys/agpio.h>
#endif
int DRM(agp_info)(DRM_OS_IOCTL)
{
drm_device_t *dev = kdev->si_drv1;
struct agp_info *kern;
drm_agp_info_t info;
if (!dev->agp || !dev->agp->acquired) return EINVAL;
kern = &dev->agp->info;
agp_get_info(dev->agp->agpdev, kern);
info.agp_version_major = 1;
info.agp_version_minor = 0;
info.mode = kern->ai_mode;
info.aperture_base = kern->ai_aperture_base;
info.aperture_size = kern->ai_aperture_size;
info.memory_allowed = kern->ai_memory_allowed;
info.memory_used = kern->ai_memory_used;
info.id_vendor = kern->ai_devid & 0xffff;
info.id_device = kern->ai_devid >> 16;
*(drm_agp_info_t *) data = info;
return 0;
}
int DRM(agp_acquire)(DRM_OS_IOCTL)
{
drm_device_t *dev = kdev->si_drv1;
int retcode;
if (!dev->agp || dev->agp->acquired) return EINVAL;
retcode = agp_acquire(dev->agp->agpdev);
if (retcode) return retcode;
dev->agp->acquired = 1;
return 0;
}
int DRM(agp_release)(DRM_OS_IOCTL)
{
drm_device_t *dev = kdev->si_drv1;
if (!dev->agp || !dev->agp->acquired)
return EINVAL;
agp_release(dev->agp->agpdev);
dev->agp->acquired = 0;
return 0;
}
void DRM(agp_do_release)(void)
{
device_t agpdev;
agpdev = agp_find_device();
if (agpdev)
agp_release(agpdev);
}
int DRM(agp_enable)(DRM_OS_IOCTL)
{
drm_device_t *dev = kdev->si_drv1;
drm_agp_mode_t mode;
if (!dev->agp || !dev->agp->acquired) return EINVAL;
mode = *(drm_agp_mode_t *) data;
dev->agp->mode = mode.mode;
agp_enable(dev->agp->agpdev, mode.mode);
dev->agp->base = dev->agp->info.ai_aperture_base;
dev->agp->enabled = 1;
return 0;
}
int DRM(agp_alloc)(DRM_OS_IOCTL)
{
drm_device_t *dev = kdev->si_drv1;
drm_agp_buffer_t request;
drm_agp_mem_t *entry;
void *handle;
unsigned long pages;
u_int32_t type;
struct agp_memory_info info;
if (!dev->agp || !dev->agp->acquired) return EINVAL;
request = *(drm_agp_buffer_t *) data;
if (!(entry = DRM(alloc)(sizeof(*entry), DRM_MEM_AGPLISTS)))
return ENOMEM;
bzero(entry, sizeof(*entry));
pages = (request.size + PAGE_SIZE - 1) / PAGE_SIZE;
type = (u_int32_t) request.type;
if (!(handle = DRM(alloc_agp)(pages, type))) {
DRM(free)(entry, sizeof(*entry), DRM_MEM_AGPLISTS);
return ENOMEM;
}
entry->handle = handle;
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;
agp_memory_info(dev->agp->agpdev, entry->handle, &info);
request.handle = (unsigned long) entry->handle;
request.physical = info.ami_physical;
*(drm_agp_buffer_t *) data = request;
return 0;
}
static drm_agp_mem_t * DRM(agp_lookup_entry)(drm_device_t *dev, void *handle)
{
drm_agp_mem_t *entry;
for (entry = dev->agp->memory; entry; entry = entry->next) {
if (entry->handle == handle) return entry;
}
return NULL;
}
int DRM(agp_unbind)(DRM_OS_IOCTL)
{
drm_device_t *dev = kdev->si_drv1;
drm_agp_binding_t request;
drm_agp_mem_t *entry;
int retcode;
if (!dev->agp || !dev->agp->acquired) return EINVAL;
request = *(drm_agp_binding_t *) data;
if (!(entry = DRM(agp_lookup_entry)(dev, (void *) request.handle)))
return EINVAL;
if (!entry->bound) return EINVAL;
retcode=DRM(unbind_agp)(entry->handle);
if (!retcode)
{
entry->bound=0;
return 0;
}
else
return retcode;
}
int DRM(agp_bind)(DRM_OS_IOCTL)
{
drm_device_t *dev = kdev->si_drv1;
drm_agp_binding_t request;
drm_agp_mem_t *entry;
int retcode;
int page;
DRM_DEBUG("agp_bind, page_size=%x\n", PAGE_SIZE);
if (!dev->agp || !dev->agp->acquired)
return EINVAL;
request = *(drm_agp_binding_t *) data;
if (!(entry = DRM(agp_lookup_entry)(dev, (void *) request.handle)))
return EINVAL;
if (entry->bound) return EINVAL;
page = (request.offset + PAGE_SIZE - 1) / PAGE_SIZE;
if ((retcode = DRM(bind_agp)(entry->handle, page)))
return retcode;
entry->bound = dev->agp->base + (page << PAGE_SHIFT);
return 0;
}
int DRM(agp_free)(DRM_OS_IOCTL)
{
drm_device_t *dev = kdev->si_drv1;
drm_agp_buffer_t request;
drm_agp_mem_t *entry;
if (!dev->agp || !dev->agp->acquired) return EINVAL;
request = *(drm_agp_buffer_t *) data;
if (!(entry = DRM(agp_lookup_entry)(dev, (void*) request.handle)))
return EINVAL;
if (entry->bound) DRM(unbind_agp)(entry->handle);
if (entry->prev) entry->prev->next = entry->next;
else dev->agp->memory = entry->next;
if (entry->next) entry->next->prev = entry->prev;
DRM(free_agp)(entry->handle, entry->pages);
DRM(free)(entry, sizeof(*entry), DRM_MEM_AGPLISTS);
return 0;
}
drm_agp_head_t *DRM(agp_init)(void)
{
device_t agpdev;
drm_agp_head_t *head = NULL;
int agp_available = 1;
agpdev = agp_find_device();
if (!agpdev)
agp_available = 0;
DRM_DEBUG("agp_available = %d\n", agp_available);
if (agp_available) {
if (!(head = DRM(alloc)(sizeof(*head), DRM_MEM_AGPLISTS)))
return NULL;
bzero((void *)head, sizeof(*head));
head->agpdev = agpdev;
agp_get_info(agpdev, &head->info);
head->memory = NULL;
#if 0 /* bogus */
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:
}
#endif
DRM_INFO("AGP at 0x%08x %dMB\n",
head->info.ai_aperture_base,
head->info.ai_aperture_size >> 20);
}
return head;
}
void DRM(agp_uninit)(void)
{
/* FIXME: What goes here */
}
agp_memory *DRM(agp_allocate_memory)(size_t pages, u32 type)
{
device_t agpdev;
agpdev = agp_find_device();
if (!agpdev)
return NULL;
return agp_alloc_memory(agpdev, type, pages << AGP_PAGE_SHIFT);
}
int DRM(agp_free_memory)(agp_memory *handle)
{
device_t agpdev;
agpdev = agp_find_device();
if (!agpdev || !handle)
return 0;
agp_free_memory(agpdev, handle);
return 1;
}
int DRM(agp_bind_memory)(agp_memory *handle, off_t start)
{
device_t agpdev;
agpdev = agp_find_device();
if (!agpdev || !handle)
return EINVAL;
return agp_bind_memory(agpdev, handle, start * PAGE_SIZE);
}
int DRM(agp_unbind_memory)(agp_memory *handle)
{
device_t agpdev;
agpdev = agp_find_device();
if (!agpdev || !handle)
return EINVAL;
return agp_unbind_memory(agpdev, handle);
}

375
bsd-core/drm_os_freebsd.h Normal file
View File

@ -0,0 +1,375 @@
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/stat.h>
#include <sys/proc.h>
#include <sys/lock.h>
#include <sys/fcntl.h>
#include <sys/uio.h>
#include <sys/filio.h>
#include <sys/sysctl.h>
#include <sys/select.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <machine/pmap.h>
#if __FreeBSD_version >= 500000
#include <sys/selinfo.h>
#endif
#include <sys/bus.h>
#if __FreeBSD_version >= 400005
#include <sys/taskqueue.h>
#endif
#if __FreeBSD_version >= 500000
#include <sys/mutex.h>
#endif
#if __FreeBSD_version >= 400006
#define __REALLY_HAVE_AGP __HAVE_AGP
#endif
#define __REALLY_HAVE_MTRR 0
#define __REALLY_HAVE_SG 0
#if __REALLY_HAVE_AGP
#include <pci/agpvar.h>
#endif
#define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */
#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
#define DRM_DEV_UID 0
#define DRM_DEV_GID 0
#if __FreeBSD_version >= 500000
#define DRM_OS_SPINTYPE struct mtx
#define DRM_OS_SPININIT(l,name) mtx_init(&l, name, MTX_DEF)
#define DRM_OS_SPINLOCK(l) mtx_lock(l)
#define DRM_OS_SPINUNLOCK(u) mtx_unlock(u);
#define DRM_OS_LOCK lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, curthread)
#define DRM_OS_UNLOCK lockmgr(&dev->dev_lock, LK_RELEASE, 0, curthread)
#define DRM_OS_CURPROC curthread
#define DRM_OS_STRUCTPROC struct thread
#define DRM_OS_CURRENTPID curthread->td_proc->p_pid
#define DRM_OS_IOCTL dev_t kdev, u_long cmd, caddr_t data, int flags, struct thread *p
#define DRM_OS_CHECKSUSER suser(p->td_proc)
#else
#define DRM_OS_CURPROC curproc
#define DRM_OS_STRUCTPROC struct proc
#define DRM_OS_SPINTYPE struct simplelock
#define DRM_OS_SPININIT(l,name) simple_lock_init(&l)
#define DRM_OS_SPINLOCK(l) simple_lock(l)
#define DRM_OS_SPINUNLOCK(u) simple_unlock(u);
#define DRM_OS_IOCTL dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p
#define DRM_OS_LOCK lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, curproc)
#define DRM_OS_UNLOCK lockmgr(&dev->dev_lock, LK_RELEASE, 0, curproc)
#define DRM_OS_CURRENTPID curproc->p_pid
#define DRM_OS_CHECKSUSER suser(p)
#endif
#define DRM_OS_TASKQUEUE_ARGS void *dev, int pending
#define DRM_OS_IRQ_ARGS void *device
#define DRM_OS_DEVICE drm_device_t *dev = kdev->si_drv1
#define DRM_OS_MALLOC(size) malloc( size, DRM(M_DRM), M_NOWAIT )
#define DRM_OS_FREE(pt) free( pt, DRM(M_DRM) )
#define DRM_OS_VTOPHYS(addr) vtophys(addr)
#define DRM_OS_PRIV \
drm_file_t *priv = (drm_file_t *) DRM(find_file_by_proc)(dev, p); \
if (!priv) { \
DRM_DEBUG("can't find authenticator\n"); \
return EINVAL; \
}
#define DRM_OS_DELAY( udelay ) \
do { \
struct timeval tv1, tv2; \
microtime(&tv1); \
do { \
microtime(&tv2); \
} \
while (((tv2.tv_sec-tv1.tv_sec)*1000000 + tv2.tv_usec - tv1.tv_usec) < udelay ); \
} while (0)
#define DRM_OS_RETURN(v) return v;
#define DRM_OS_KRNTOUSR(arg1, arg2, arg3) \
*arg1 = arg2
#define DRM_OS_KRNFROMUSR(arg1, arg2, arg3) \
arg1 = *arg2
#define DRM_OS_COPYTOUSR(arg1, arg2, arg3) \
copyout(arg2, arg1, arg3)
#define DRM_OS_COPYFROMUSR(arg1, arg2, arg3) \
copyin(arg2, arg1, arg3)
#define DRM_OS_READMEMORYBARRIER \
{ \
int xchangeDummy; \
DRM_DEBUG("%s\n", __FUNCTION__); \
__asm__ volatile(" push %%eax ; xchg %%eax, %0 ; pop %%eax" : : "m" (xchangeDummy)); \
__asm__ volatile(" push %%eax ; push %%ebx ; push %%ecx ; push %%edx ;" \
" movl $0,%%eax ; cpuid ; pop %%edx ; pop %%ecx ; pop %%ebx ;" \
" pop %%eax" : /* no outputs */ : /* no inputs */ ); \
} while (0);
#define DRM_OS_WRITEMEMORYBARRIER DRM_OS_READMEMORYBARRIER
#define DRM_OS_WAKEUP(w) wakeup(w)
#define DRM_OS_WAKEUP_INT(w) wakeup(w)
#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK)
#define malloctype DRM(M_DRM)
/* The macros confliced in the MALLOC_DEFINE */
MALLOC_DECLARE(malloctype);
#undef malloctype
typedef struct drm_chipinfo
{
int vendor;
int device;
int supported;
char *name;
} drm_chipinfo_t;
typedef unsigned long atomic_t;
typedef u_int32_t cycles_t;
typedef u_int32_t spinlock_t;
typedef u_int32_t u32;
typedef u_int16_t u16;
typedef u_int8_t u8;
#define atomic_set(p, v) (*(p) = (v))
#define atomic_read(p) (*(p))
#define atomic_inc(p) atomic_add_long(p, 1)
#define atomic_dec(p) atomic_subtract_long(p, 1)
#define atomic_add(n, p) atomic_add_long(p, n)
#define atomic_sub(n, p) atomic_subtract_long(p, n)
/* Fake this */
static __inline unsigned int
test_and_set_bit(int b, volatile unsigned long *p)
{
int s = splhigh();
unsigned int m = 1<<b;
unsigned int r = *p & m;
*p |= m;
splx(s);
return r;
}
static __inline void
clear_bit(int b, volatile unsigned long *p)
{
atomic_clear_long(p + (b >> 5), 1 << (b & 0x1f));
}
static __inline void
set_bit(int b, volatile unsigned long *p)
{
atomic_set_long(p + (b >> 5), 1 << (b & 0x1f));
}
static __inline int
test_bit(int b, volatile unsigned long *p)
{
return p[b >> 5] & (1 << (b & 0x1f));
}
static __inline int
find_first_zero_bit(volatile unsigned long *p, int max)
{
int b;
for (b = 0; b < max; b += 32) {
if (p[b >> 5] != ~0) {
for (;;) {
if ((p[b >> 5] & (1 << (b & 0x1f))) == 0)
return b;
b++;
}
}
}
return max;
}
#define spldrm() spltty()
#define memset(p, v, s) bzero(p, s)
/*
* Fake out the module macros for versions of FreeBSD where they don't
* exist.
*/
#if (__FreeBSD_version < 500002 && __FreeBSD_version > 500000) || __FreeBSD_version < 420000
/* FIXME: again, what's the exact date? */
#define MODULE_VERSION(a,b) struct __hack
#define MODULE_DEPEND(a,b,c,d,e) struct __hack
#endif
#define __drm_dummy_lock(lock) (*(__volatile__ unsigned int *)lock)
#define _DRM_CAS(lock,old,new,__ret) \
do { \
int __dummy; /* Can't mark eax as clobbered */ \
__asm__ __volatile__( \
"lock ; cmpxchg %4,%1\n\t" \
"setnz %0" \
: "=d" (__ret), \
"=m" (__drm_dummy_lock(lock)), \
"=a" (__dummy) \
: "2" (old), \
"r" (new)); \
} while (0)
/* Redefinitions to make templating easy */
#define wait_queue_head_t long
#define agp_memory void
#define jiffies ticks
/* Macros to make printf easier */
#define DRM_ERROR(fmt, arg...) \
printf("error: " "[" DRM_NAME ":" __FUNCTION__ "] *ERROR* " fmt , ##arg)
#define DRM_MEM_ERROR(area, fmt, arg...) \
printf("error: " "[" DRM_NAME ":" __FUNCTION__ ":%s] *ERROR* " fmt , \
DRM(mem_stats)[area].name , ##arg)
#define DRM_INFO(fmt, arg...) printf("info: " "[" DRM_NAME "] " fmt , ##arg)
#if DRM_DEBUG_CODE
#define DRM_DEBUG(fmt, arg...) \
do { \
if (DRM(flags) & DRM_FLAG_DEBUG) \
printf("[" DRM_NAME ":" __FUNCTION__ "] " fmt , \
##arg); \
} while (0)
#else
#define DRM_DEBUG(fmt, arg...) do { } while (0)
#endif
#define DRM_PROC_LIMIT (PAGE_SIZE-80)
#if (__FreeBSD_version >= 500000) || ((__FreeBSD_version < 500000) && (__FreeBSD_version >= 410002))
#define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS)
#else
#define DRM_SYSCTL_HANDLER_ARGS SYSCTL_HANDLER_ARGS
#endif
#define DRM_SYSCTL_PRINT(fmt, arg...) \
snprintf(buf, sizeof(buf), fmt, ##arg); \
error = SYSCTL_OUT(req, buf, strlen(buf)); \
if (error) return error;
#define DRM_SYSCTL_PRINT_RET(ret, fmt, arg...) \
snprintf(buf, sizeof(buf), fmt, ##arg); \
error = SYSCTL_OUT(req, buf, strlen(buf)); \
if (error) { ret; return error; }
#define DRM_FIND_MAP(dest, o) \
do { \
drm_map_list_entry_t *listentry; \
TAILQ_FOREACH(listentry, dev->maplist, link) { \
if ( listentry->map->offset == o ) { \
dest = listentry->map; \
break; \
} \
} \
} while (0)
/* Internal functions */
/* drm_drv.h */
extern d_ioctl_t DRM(ioctl);
extern d_ioctl_t DRM(lock);
extern d_ioctl_t DRM(unlock);
extern d_open_t DRM(open);
extern d_close_t DRM(close);
extern d_read_t DRM(read);
extern d_write_t DRM(write);
extern d_poll_t DRM(poll);
extern d_mmap_t DRM(mmap);
extern int DRM(open_helper)(dev_t kdev, int flags, int fmt,
DRM_OS_STRUCTPROC *p, drm_device_t *dev);
extern drm_file_t *DRM(find_file_by_proc)(drm_device_t *dev,
DRM_OS_STRUCTPROC *p);
/* Misc. IOCTL support (drm_ioctl.h) */
extern d_ioctl_t DRM(irq_busid);
extern d_ioctl_t DRM(getunique);
extern d_ioctl_t DRM(setunique);
extern d_ioctl_t DRM(getmap);
extern d_ioctl_t DRM(getclient);
extern d_ioctl_t DRM(getstats);
/* Context IOCTL support (drm_context.h) */
extern d_ioctl_t DRM(resctx);
extern d_ioctl_t DRM(addctx);
extern d_ioctl_t DRM(modctx);
extern d_ioctl_t DRM(getctx);
extern d_ioctl_t DRM(switchctx);
extern d_ioctl_t DRM(newctx);
extern d_ioctl_t DRM(rmctx);
extern d_ioctl_t DRM(setsareactx);
extern d_ioctl_t DRM(getsareactx);
/* Drawable IOCTL support (drm_drawable.h) */
extern d_ioctl_t DRM(adddraw);
extern d_ioctl_t DRM(rmdraw);
/* Authentication IOCTL support (drm_auth.h) */
extern d_ioctl_t DRM(getmagic);
extern d_ioctl_t DRM(authmagic);
/* Locking IOCTL support (drm_lock.h) */
extern d_ioctl_t DRM(block);
extern d_ioctl_t DRM(unblock);
extern d_ioctl_t DRM(finish);
/* Buffer management support (drm_bufs.h) */
extern d_ioctl_t DRM(addmap);
extern d_ioctl_t DRM(rmmap);
#if __HAVE_DMA
extern d_ioctl_t DRM(addbufs_agp);
extern d_ioctl_t DRM(addbufs_pci);
extern d_ioctl_t DRM(addbufs_sg);
extern d_ioctl_t DRM(addbufs);
extern d_ioctl_t DRM(infobufs);
extern d_ioctl_t DRM(markbufs);
extern d_ioctl_t DRM(freebufs);
extern d_ioctl_t DRM(mapbufs);
#endif
/* Memory management support (drm_memory.h) */
extern int DRM(mem_info) DRM_SYSCTL_HANDLER_ARGS;
/* DMA support (drm_dma.h) */
#if __HAVE_DMA_IRQ
extern d_ioctl_t DRM(control);
#endif
/* AGP/GART support (drm_agpsupport.h) */
#if __REALLY_HAVE_AGP
extern d_ioctl_t DRM(agp_acquire);
extern d_ioctl_t DRM(agp_release);
extern d_ioctl_t DRM(agp_enable);
extern d_ioctl_t DRM(agp_info);
extern d_ioctl_t DRM(agp_alloc);
extern d_ioctl_t DRM(agp_free);
extern d_ioctl_t DRM(agp_unbind);
extern d_ioctl_t DRM(agp_bind);
#endif
/* Scatter Gather Support (drm_scatter.h) */
#if __HAVE_SG
extern d_ioctl_t DRM(sg_alloc);
extern d_ioctl_t DRM(sg_free);
#endif
/* SysCtl Support (drm_sysctl.h) */
extern int DRM(sysctl_init)(drm_device_t *dev);
extern int DRM(sysctl_cleanup)(drm_device_t *dev);

523
bsd-core/drm_sysctl.c Normal file
View File

@ -0,0 +1,523 @@
SYSCTL_NODE(_hw, OID_AUTO, dri, CTLFLAG_RW, 0, "DRI Graphics");
static int DRM(name_info)DRM_SYSCTL_HANDLER_ARGS;
static int DRM(vm_info)DRM_SYSCTL_HANDLER_ARGS;
static int DRM(clients_info)DRM_SYSCTL_HANDLER_ARGS;
static int DRM(queues_info)DRM_SYSCTL_HANDLER_ARGS;
static int DRM(bufs_info)DRM_SYSCTL_HANDLER_ARGS;
#if DRM_DEBUG_CODExx
static int DRM(vma_info)DRM_SYSCTL_HANDLER_ARGS;
#endif
#if DRM_DMA_HISTOGRAM
static int DRM(histo_info)DRM_SYSCTL_HANDLER_ARGS;
#endif
struct DRM(sysctl_list) {
const char *name;
int (*f) DRM_SYSCTL_HANDLER_ARGS;
} DRM(sysctl_list)[] = {
{ "name", DRM(name_info) },
{ "mem", DRM(mem_info) },
{ "vm", DRM(vm_info) },
{ "clients", DRM(clients_info) },
{ "queues", DRM(queues_info) },
{ "bufs", DRM(bufs_info) },
#if DRM_DEBUG_CODExx
{ "vma", DRM(vma_info) },
#endif
#if DRM_DMA_HISTOGRAM
{ "histo", drm_histo_info) },
#endif
};
#define DRM_SYSCTL_ENTRIES (sizeof(DRM(sysctl_list))/sizeof(DRM(sysctl_list)[0]))
struct drm_sysctl_info {
struct sysctl_oid oids[DRM_SYSCTL_ENTRIES + 1];
struct sysctl_oid_list list;
char name[2];
};
int DRM(sysctl_init)(drm_device_t *dev)
{
struct drm_sysctl_info *info;
struct sysctl_oid *oid;
struct sysctl_oid *top;
int i;
/* Find the next free slot under hw.graphics */
i = 0;
SLIST_FOREACH(oid, &sysctl__hw_dri_children, oid_link) {
if (i <= oid->oid_arg2)
i = oid->oid_arg2 + 1;
}
info = DRM(alloc)(sizeof *info, DRM_MEM_DRIVER);
dev->sysctl = info;
/* Construct the node under hw.graphics */
info->name[0] = '0' + i;
info->name[1] = 0;
oid = &info->oids[DRM_SYSCTL_ENTRIES];
bzero(oid, sizeof(*oid));
oid->oid_parent = &sysctl__hw_dri_children;
oid->oid_number = OID_AUTO;
oid->oid_kind = CTLTYPE_NODE | CTLFLAG_RW;
oid->oid_arg1 = &info->list;
oid->oid_arg2 = i;
oid->oid_name = info->name;
oid->oid_handler = 0;
oid->oid_fmt = "N";
SLIST_INIT(&info->list);
sysctl_register_oid(oid);
top = oid;
for (i = 0; i < DRM_SYSCTL_ENTRIES; i++) {
oid = &info->oids[i];
bzero(oid, sizeof(*oid));
oid->oid_parent = top->oid_arg1;
oid->oid_number = OID_AUTO;
oid->oid_kind = CTLTYPE_INT | CTLFLAG_RD;
oid->oid_arg1 = dev;
oid->oid_arg2 = 0;
oid->oid_name = DRM(sysctl_list)[i].name;
oid->oid_handler = DRM(sysctl_list[)i].f;
oid->oid_fmt = "A";
sysctl_register_oid(oid);
}
return 0;
}
int DRM(sysctl_cleanup)(drm_device_t *dev)
{
int i;
DRM_DEBUG("dev->sysctl=%p\n", dev->sysctl);
for (i = 0; i < DRM_SYSCTL_ENTRIES + 1; i++)
sysctl_unregister_oid(&dev->sysctl->oids[i]);
DRM(free)(dev->sysctl, sizeof *dev->sysctl, DRM_MEM_DRIVER);
dev->sysctl = NULL;
return 0;
}
static int DRM(name_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
char buf[128];
int error;
if (dev->unique) {
DRM_SYSCTL_PRINT("%s 0x%x %s\n",
dev->name, dev2udev(dev->devnode), dev->unique);
} else {
DRM_SYSCTL_PRINT("%s 0x%x\n", dev->name, dev2udev(dev->devnode));
}
SYSCTL_OUT(req, "", 1);
return 0;
}
static int DRM(_vm_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
drm_map_t *map;
drm_map_list_entry_t *listentry;
const char *types[] = { "FB", "REG", "SHM" };
const char *type;
int i=0;
char buf[128];
int error;
DRM_SYSCTL_PRINT("slot offset size type flags "
"address mtrr\n\n");
error = SYSCTL_OUT(req, buf, strlen(buf));
if (error) return error;
if (dev->maplist != NULL) {
TAILQ_FOREACH(listentry, dev->maplist, link) {
map = listentry->map;
if (map->type < 0 || map->type > 2) type = "??";
else type = types[map->type];
DRM_SYSCTL_PRINT("%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08lx ",
i,
map->offset,
map->size,
type,
map->flags,
(unsigned long)map->handle);
if (map->mtrr < 0) {
DRM_SYSCTL_PRINT("none\n");
} else {
DRM_SYSCTL_PRINT("%4d\n", map->mtrr);
}
i++;
}
}
SYSCTL_OUT(req, "", 1);
return 0;
}
static int DRM(vm_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
int ret;
DRM_OS_LOCK;
ret = DRM(_vm_info)(oidp, arg1, arg2, req);
DRM_OS_UNLOCK;
return ret;
}
static int DRM(_queues_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
int i;
drm_queue_t *q;
char buf[128];
int error;
DRM_SYSCTL_PRINT(" ctx/flags use fin"
" blk/rw/rwf wait flushed queued"
" locks\n\n");
for (i = 0; i < dev->queue_count; i++) {
q = dev->queuelist[i];
atomic_inc(&q->use_count);
DRM_SYSCTL_PRINT_RET(atomic_dec(&q->use_count),
"%5d/0x%03x %5ld %5ld"
" %5ld/%c%c/%c%c%c %5d %10ld %10ld %10ld\n",
i,
q->flags,
atomic_read(&q->use_count),
atomic_read(&q->finalization),
atomic_read(&q->block_count),
atomic_read(&q->block_read) ? 'r' : '-',
atomic_read(&q->block_write) ? 'w' : '-',
q->read_queue ? 'r':'-',
q->write_queue ? 'w':'-',
q->flush_queue ? 'f':'-',
DRM_BUFCOUNT(&q->waitlist),
atomic_read(&q->total_flushed),
atomic_read(&q->total_queued),
atomic_read(&q->total_locks));
atomic_dec(&q->use_count);
}
SYSCTL_OUT(req, "", 1);
return 0;
}
static int DRM(queues_info) DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
int ret;
DRM_OS_LOCK;
ret = DRM(_queues_info)(oidp, arg1, arg2, req);
DRM_OS_UNLOCK;
return ret;
}
/* drm_bufs_info is called whenever a process reads
hw.dri.0.bufs. */
static int DRM(_bufs_info) DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
drm_device_dma_t *dma = dev->dma;
int i;
char buf[128];
int error;
if (!dma) return 0;
DRM_SYSCTL_PRINT(" o size count free segs pages kB\n\n");
for (i = 0; i <= DRM_MAX_ORDER; i++) {
if (dma->bufs[i].buf_count)
DRM_SYSCTL_PRINT("%2d %8d %5d %5ld %5d %5d %5d\n",
i,
dma->bufs[i].buf_size,
dma->bufs[i].buf_count,
atomic_read(&dma->bufs[i]
.freelist.count),
dma->bufs[i].seg_count,
dma->bufs[i].seg_count
*(1 << dma->bufs[i].page_order),
(dma->bufs[i].seg_count
* (1 << dma->bufs[i].page_order))
* PAGE_SIZE / 1024);
}
DRM_SYSCTL_PRINT("\n");
for (i = 0; i < dma->buf_count; i++) {
if (i && !(i%32)) DRM_SYSCTL_PRINT("\n");
DRM_SYSCTL_PRINT(" %d", dma->buflist[i]->list);
}
DRM_SYSCTL_PRINT("\n");
SYSCTL_OUT(req, "", 1);
return 0;
}
static int DRM(bufs_info) DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
int ret;
DRM_OS_LOCK;
ret = DRM(_bufs_info)(oidp, arg1, arg2, req);
DRM_OS_UNLOCK;
return ret;
}
static int DRM(_clients_info) DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
drm_file_t *priv;
char buf[128];
int error;
DRM_SYSCTL_PRINT("a dev pid uid magic ioctls\n\n");
TAILQ_FOREACH(priv, &dev->files, link) {
DRM_SYSCTL_PRINT("%c %3d %5d %5d %10u %10lu\n",
priv->authenticated ? 'y' : 'n',
priv->minor,
priv->pid,
priv->uid,
priv->magic,
priv->ioctl_count);
}
SYSCTL_OUT(req, "", 1);
return 0;
}
static int DRM(clients_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
int ret;
DRM_OS_LOCK;
ret = DRM(_clients_info)(oidp, arg1, arg2, req);
DRM_OS_UNLOCK;
return ret;
}
#if DRM_DEBUG_CODExx
static int DRM(_vma_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
drm_vma_entry_t *pt;
pgd_t *pgd;
pmd_t *pmd;
pte_t *pte;
unsigned long i;
struct vm_area_struct *vma;
unsigned long address;
#if defined(__i386__)
unsigned int pgprot;
#endif
char buf[128];
int error;
DRM_SYSCTL_PRINT("vma use count: %d, high_memory = %p, 0x%08lx\n",
atomic_read(&dev->vma_count),
high_memory, virt_to_phys(high_memory));
for (pt = dev->vmalist; pt; pt = pt->next) {
if (!(vma = pt->vma)) continue;
DRM_SYSCTL_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx",
pt->pid,
vma->vm_start,
vma->vm_end,
vma->vm_flags & VM_READ ? 'r' : '-',
vma->vm_flags & VM_WRITE ? 'w' : '-',
vma->vm_flags & VM_EXEC ? 'x' : '-',
vma->vm_flags & VM_MAYSHARE ? 's' : 'p',
vma->vm_flags & VM_LOCKED ? 'l' : '-',
vma->vm_flags & VM_IO ? 'i' : '-',
vma->vm_offset );
#if defined(__i386__)
pgprot = pgprot_val(vma->vm_page_prot);
DRM_SYSCTL_PRINT(" %c%c%c%c%c%c%c%c%c",
pgprot & _PAGE_PRESENT ? 'p' : '-',
pgprot & _PAGE_RW ? 'w' : 'r',
pgprot & _PAGE_USER ? 'u' : 's',
pgprot & _PAGE_PWT ? 't' : 'b',
pgprot & _PAGE_PCD ? 'u' : 'c',
pgprot & _PAGE_ACCESSED ? 'a' : '-',
pgprot & _PAGE_DIRTY ? 'd' : '-',
pgprot & _PAGE_4M ? 'm' : 'k',
pgprot & _PAGE_GLOBAL ? 'g' : 'l' );
#endif
DRM_SYSCTL_PRINT("\n");
for (i = vma->vm_start; i < vma->vm_end; i += PAGE_SIZE) {
pgd = pgd_offset(vma->vm_mm, i);
pmd = pmd_offset(pgd, i);
pte = pte_offset(pmd, i);
if (pte_present(*pte)) {
address = __pa(pte_page(*pte))
+ (i & (PAGE_SIZE-1));
DRM_SYSCTL_PRINT(" 0x%08lx -> 0x%08lx"
" %c%c%c%c%c\n",
i,
address,
pte_read(*pte) ? 'r' : '-',
pte_write(*pte) ? 'w' : '-',
pte_exec(*pte) ? 'x' : '-',
pte_dirty(*pte) ? 'd' : '-',
pte_young(*pte) ? 'a' : '-' );
} else {
DRM_SYSCTL_PRINT(" 0x%08lx\n", i);
}
}
}
SYSCTL_OUT(req, "", 1);
return 0;
}
static int DRM(vma_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
int ret;
DRM_OS_LOCK;
ret = DRM(_vma_info)(oidp, arg1, arg2, req);
DRM_OS_UNLOCK;
return ret;
}
#endif
#if DRM_DMA_HISTOGRAM
static int DRM(_histo_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
drm_device_dma_t *dma = dev->dma;
int i;
unsigned long slot_value = DRM_DMA_HISTOGRAM_INITIAL;
unsigned long prev_value = 0;
drm_buf_t *buffer;
char buf[128];
int error;
DRM_SYSCTL_PRINT("general statistics:\n");
DRM_SYSCTL_PRINT("total %10u\n", atomic_read(&dev->histo.total));
DRM_SYSCTL_PRINT("open %10u\n", atomic_read(&dev->total_open));
DRM_SYSCTL_PRINT("close %10u\n", atomic_read(&dev->total_close));
DRM_SYSCTL_PRINT("ioctl %10u\n", atomic_read(&dev->total_ioctl));
DRM_SYSCTL_PRINT("irq %10u\n", atomic_read(&dev->total_irq));
DRM_SYSCTL_PRINT("ctx %10u\n", atomic_read(&dev->total_ctx));
DRM_SYSCTL_PRINT("\nlock statistics:\n");
DRM_SYSCTL_PRINT("locks %10u\n", atomic_read(&dev->total_locks));
DRM_SYSCTL_PRINT("unlocks %10u\n", atomic_read(&dev->total_unlocks));
DRM_SYSCTL_PRINT("contends %10u\n", atomic_read(&dev->total_contends));
DRM_SYSCTL_PRINT("sleeps %10u\n", atomic_read(&dev->total_sleeps));
if (dma) {
DRM_SYSCTL_PRINT("\ndma statistics:\n");
DRM_SYSCTL_PRINT("prio %10u\n",
atomic_read(&dma->total_prio));
DRM_SYSCTL_PRINT("bytes %10u\n",
atomic_read(&dma->total_bytes));
DRM_SYSCTL_PRINT("dmas %10u\n",
atomic_read(&dma->total_dmas));
DRM_SYSCTL_PRINT("missed:\n");
DRM_SYSCTL_PRINT(" dma %10u\n",
atomic_read(&dma->total_missed_dma));
DRM_SYSCTL_PRINT(" lock %10u\n",
atomic_read(&dma->total_missed_lock));
DRM_SYSCTL_PRINT(" free %10u\n",
atomic_read(&dma->total_missed_free));
DRM_SYSCTL_PRINT(" sched %10u\n",
atomic_read(&dma->total_missed_sched));
DRM_SYSCTL_PRINT("tried %10u\n",
atomic_read(&dma->total_tried));
DRM_SYSCTL_PRINT("hit %10u\n",
atomic_read(&dma->total_hit));
DRM_SYSCTL_PRINT("lost %10u\n",
atomic_read(&dma->total_lost));
buffer = dma->next_buffer;
if (buffer) {
DRM_SYSCTL_PRINT("next_buffer %7d\n", buffer->idx);
} else {
DRM_SYSCTL_PRINT("next_buffer none\n");
}
buffer = dma->this_buffer;
if (buffer) {
DRM_SYSCTL_PRINT("this_buffer %7d\n", buffer->idx);
} else {
DRM_SYSCTL_PRINT("this_buffer none\n");
}
}
DRM_SYSCTL_PRINT("\nvalues:\n");
if (dev->lock.hw_lock) {
DRM_SYSCTL_PRINT("lock 0x%08x\n",
dev->lock.hw_lock->lock);
} else {
DRM_SYSCTL_PRINT("lock none\n");
}
DRM_SYSCTL_PRINT("context_flag 0x%08x\n", dev->context_flag);
DRM_SYSCTL_PRINT("interrupt_flag 0x%08x\n", dev->interrupt_flag);
DRM_SYSCTL_PRINT("dma_flag 0x%08x\n", dev->dma_flag);
DRM_SYSCTL_PRINT("queue_count %10d\n", dev->queue_count);
DRM_SYSCTL_PRINT("last_context %10d\n", dev->last_context);
DRM_SYSCTL_PRINT("last_switch %10u\n", dev->last_switch);
DRM_SYSCTL_PRINT("last_checked %10d\n", dev->last_checked);
DRM_SYSCTL_PRINT("\n q2d d2c c2f"
" q2c q2f dma sch"
" ctx lacq lhld\n\n");
for (i = 0; i < DRM_DMA_HISTOGRAM_SLOTS; i++) {
DRM_SYSCTL_PRINT("%s %10lu %10u %10u %10u %10u %10u"
" %10u %10u %10u %10u %10u\n",
i == DRM_DMA_HISTOGRAM_SLOTS - 1 ? ">=" : "< ",
i == DRM_DMA_HISTOGRAM_SLOTS - 1
? prev_value : slot_value ,
atomic_read(&dev->histo
.queued_to_dispatched[i]),
atomic_read(&dev->histo
.dispatched_to_completed[i]),
atomic_read(&dev->histo
.completed_to_freed[i]),
atomic_read(&dev->histo
.queued_to_completed[i]),
atomic_read(&dev->histo
.queued_to_freed[i]),
atomic_read(&dev->histo.dma[i]),
atomic_read(&dev->histo.schedule[i]),
atomic_read(&dev->histo.ctx[i]),
atomic_read(&dev->histo.lacq[i]),
atomic_read(&dev->histo.lhld[i]));
prev_value = slot_value;
slot_value = DRM_DMA_HISTOGRAM_NEXT(slot_value);
}
SYSCTL_OUT(req, "", 1);
return 0;
}
static int DRM(histo_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
int ret;
DRM_OS_LOCK;
ret = _drm_histo_info(oidp, arg1, arg2, req);
DRM_OS_UNLOCK;
return ret;
}
#endif

81
bsd-core/drm_vm.c Normal file
View File

@ -0,0 +1,81 @@
#include <vm/vm.h>
#include <vm/pmap.h>
static int DRM(dma_mmap)(dev_t kdev, vm_offset_t offset, int prot)
{
drm_device_t *dev = kdev->si_drv1;
drm_device_dma_t *dma = dev->dma;
unsigned long physical;
unsigned long page;
if (!dma) return -1; /* Error */
if (!dma->pagelist) return -1; /* Nothing allocated */
page = offset >> PAGE_SHIFT;
physical = dma->pagelist[page];
DRM_DEBUG("0x%08x (page %lu) => 0x%08lx\n", offset, page, physical);
return atop(physical);
}
int DRM(mmap)(dev_t kdev, vm_offset_t offset, int prot)
{
drm_device_t *dev = kdev->si_drv1;
drm_map_t *map = NULL;
drm_map_list_entry_t *listentry=NULL;
/*drm_file_t *priv;*/
/* DRM_DEBUG("offset = 0x%x\n", offset);*/
/*XXX Fixme */
/*priv = DRM(find_file_by_proc)(dev, p);
if (!priv) {
DRM_DEBUG("can't find authenticator\n");
return EINVAL;
}
if (!priv->authenticated) DRM_OS_RETURN(EACCES);*/
if (dev->dma
&& offset >= 0
&& offset < ptoa(dev->dma->page_count))
return DRM(dma_mmap)(kdev, offset, prot);
/* A sequential search of a linked list is
fine here because: 1) there will only be
about 5-10 entries in the list and, 2) a
DRI client only has to do this mapping
once, so it doesn't have to be optimized
for performance, even if the list was a
bit longer. */
TAILQ_FOREACH(listentry, dev->maplist, link) {
map = listentry->map;
/* DRM_DEBUG("considering 0x%x..0x%x\n", map->offset, map->offset + map->size - 1);*/
if (offset >= map->offset
&& offset < map->offset + map->size) break;
}
if (!listentry) {
DRM_DEBUG("can't find map\n");
return -1;
}
if (((map->flags&_DRM_RESTRICTED) && suser(curproc))) {
DRM_DEBUG("restricted map\n");
return -1;
}
switch (map->type) {
case _DRM_FRAME_BUFFER:
case _DRM_REGISTERS:
case _DRM_AGP:
return atop(offset);
case _DRM_SHM:
return atop(vtophys(offset));
default:
return -1; /* This should never happen. */
}
DRM_DEBUG("bailing out\n");
return -1;
}

21
bsd-core/mga/Makefile
View File

@ -1,11 +1,10 @@
# $FreeBSD$
KMOD = mga
SRCS = mga_drv.c mga_context.c mga_state.c mga_bufs.c mga_dma.c
SRCS += device_if.h bus_if.h pci_if.h
CFLAGS += ${DEBUG_FLAGS} -I..
KERN = /usr/src/sys
KMODDEPS = drm
KMOD= mga
NOMAN= YES
SRCS= mga_drv.c mga_state.c mga_warp.c mga_dma.c
SRCS+= device_if.h bus_if.h pci_if.h opt_drm_linux.h
CFLAGS+= ${DEBUG_FLAGS} -I. -I..
@:
ln -sf /sys @
@ -13,4 +12,14 @@ KMODDEPS = drm
machine:
ln -sf /sys/i386/include machine
.if ${MACHINE_ARCH} == "i386"
# This line enables linux ioctl handling
# If you want support for this uncomment this line
#MGA_OPTS= "\#define DRM_LINUX" 1
.endif
opt_drm_linux.h:
touch opt_drm_linux.h
echo $(MGA_OPTS) >> opt_drm_linux.h
.include <bsd.kmod.mk>

25
bsd-core/r128/Makefile Normal file
View File

@ -0,0 +1,25 @@
# $FreeBSD$
KMOD = r128
NOMAN= YES
SRCS = r128_cce.c r128_drv.c r128_state.c
SRCS += device_if.h bus_if.h pci_if.h opt_drm_linux.h
CFLAGS += ${DEBUG_FLAGS} -I. -I..
@:
ln -sf /sys @
machine:
ln -sf /sys/i386/include machine
.if ${MACHINE_ARCH} == "i386"
# This line enables linux ioctl handling
# If you want support for this uncomment this line
#R128_OPTS= "\#define DRM_LINUX" 1
.endif
opt_drm_linux.h:
touch opt_drm_linux.h
echo $(R128_OPTS) >> opt_drm_linux.h
.include <bsd.kmod.mk>

25
bsd-core/radeon/Makefile Normal file
View File

@ -0,0 +1,25 @@
# $FreeBSD$
KMOD = radeon
NOMAN= YES
SRCS = radeon_cp.c radeon_drv.c radeon_state.c
SRCS += device_if.h bus_if.h pci_if.h opt_drm_linux.h
CFLAGS += ${DEBUG_FLAGS} -I. -I..
@:
ln -sf /sys @
machine:
ln -sf /sys/i386/include machine
.if ${MACHINE_ARCH} == "i386"
# This line enables linux ioctl handling
# If you want support for this uncomment this line
#RADEON_OPTS= "\#define DRM_LINUX" 1
.endif
opt_drm_linux.h:
touch opt_drm_linux.h
echo $(RADEON_OPTS) >> opt_drm_linux.h
.include <bsd.kmod.mk>

25
bsd-core/sis/Makefile Normal file
View File

@ -0,0 +1,25 @@
# $FreeBSD$
KMOD= sis
NOMAN= YES
SRCS= sis_drv.c sis_ds.c sis_mm.c
SRCS+= device_if.h bus_if.h pci_if.h opt_drm_linux.h
CFLAGS+= ${DEBUG_FLAGS} -I. -I..
@:
ln -sf /sys @
machine:
ln -sf /sys/i386/include machine
.if ${MACHINE_ARCH} == "i386"
# This line enables linux ioctl handling
# If you want support for this uncomment this line
#SIS_OPTS= "\#define DRM_LINUX" 1
.endif
opt_drm_linux.h:
touch opt_drm_linux.h
echo $(SIS_OPTS) >> opt_drm_linux.h
.include <bsd.kmod.mk>

326
bsd/drm_agpsupport.h Normal file
View File

@ -0,0 +1,326 @@
/* drm_agpsupport.h -- DRM support for AGP/GART backend -*- linux-c -*-
* Created: Mon Dec 13 09:56:45 1999 by faith@precisioninsight.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Author:
* Rickard E. (Rik) Faith <faith@valinux.com>
* Gareth Hughes <gareth@valinux.com>
*/
#include "drmP.h"
#include <vm/vm.h>
#include <vm/pmap.h>
#if __REALLY_HAVE_AGP
#include <sys/agpio.h>
#endif
int DRM(agp_info)(DRM_OS_IOCTL)
{
drm_device_t *dev = kdev->si_drv1;
struct agp_info *kern;
drm_agp_info_t info;
if (!dev->agp || !dev->agp->acquired) return EINVAL;
kern = &dev->agp->info;
agp_get_info(dev->agp->agpdev, kern);
info.agp_version_major = 1;
info.agp_version_minor = 0;
info.mode = kern->ai_mode;
info.aperture_base = kern->ai_aperture_base;
info.aperture_size = kern->ai_aperture_size;
info.memory_allowed = kern->ai_memory_allowed;
info.memory_used = kern->ai_memory_used;
info.id_vendor = kern->ai_devid & 0xffff;
info.id_device = kern->ai_devid >> 16;
*(drm_agp_info_t *) data = info;
return 0;
}
int DRM(agp_acquire)(DRM_OS_IOCTL)
{
drm_device_t *dev = kdev->si_drv1;
int retcode;
if (!dev->agp || dev->agp->acquired) return EINVAL;
retcode = agp_acquire(dev->agp->agpdev);
if (retcode) return retcode;
dev->agp->acquired = 1;
return 0;
}
int DRM(agp_release)(DRM_OS_IOCTL)
{
drm_device_t *dev = kdev->si_drv1;
if (!dev->agp || !dev->agp->acquired)
return EINVAL;
agp_release(dev->agp->agpdev);
dev->agp->acquired = 0;
return 0;
}
void DRM(agp_do_release)(void)
{
device_t agpdev;
agpdev = agp_find_device();
if (agpdev)
agp_release(agpdev);
}
int DRM(agp_enable)(DRM_OS_IOCTL)
{
drm_device_t *dev = kdev->si_drv1;
drm_agp_mode_t mode;
if (!dev->agp || !dev->agp->acquired) return EINVAL;
mode = *(drm_agp_mode_t *) data;
dev->agp->mode = mode.mode;
agp_enable(dev->agp->agpdev, mode.mode);
dev->agp->base = dev->agp->info.ai_aperture_base;
dev->agp->enabled = 1;
return 0;
}
int DRM(agp_alloc)(DRM_OS_IOCTL)
{
drm_device_t *dev = kdev->si_drv1;
drm_agp_buffer_t request;
drm_agp_mem_t *entry;
void *handle;
unsigned long pages;
u_int32_t type;
struct agp_memory_info info;
if (!dev->agp || !dev->agp->acquired) return EINVAL;
request = *(drm_agp_buffer_t *) data;
if (!(entry = DRM(alloc)(sizeof(*entry), DRM_MEM_AGPLISTS)))
return ENOMEM;
bzero(entry, sizeof(*entry));
pages = (request.size + PAGE_SIZE - 1) / PAGE_SIZE;
type = (u_int32_t) request.type;
if (!(handle = DRM(alloc_agp)(pages, type))) {
DRM(free)(entry, sizeof(*entry), DRM_MEM_AGPLISTS);
return ENOMEM;
}
entry->handle = handle;
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;
agp_memory_info(dev->agp->agpdev, entry->handle, &info);
request.handle = (unsigned long) entry->handle;
request.physical = info.ami_physical;
*(drm_agp_buffer_t *) data = request;
return 0;
}
static drm_agp_mem_t * DRM(agp_lookup_entry)(drm_device_t *dev, void *handle)
{
drm_agp_mem_t *entry;
for (entry = dev->agp->memory; entry; entry = entry->next) {
if (entry->handle == handle) return entry;
}
return NULL;
}
int DRM(agp_unbind)(DRM_OS_IOCTL)
{
drm_device_t *dev = kdev->si_drv1;
drm_agp_binding_t request;
drm_agp_mem_t *entry;
int retcode;
if (!dev->agp || !dev->agp->acquired) return EINVAL;
request = *(drm_agp_binding_t *) data;
if (!(entry = DRM(agp_lookup_entry)(dev, (void *) request.handle)))
return EINVAL;
if (!entry->bound) return EINVAL;
retcode=DRM(unbind_agp)(entry->handle);
if (!retcode)
{
entry->bound=0;
return 0;
}
else
return retcode;
}
int DRM(agp_bind)(DRM_OS_IOCTL)
{
drm_device_t *dev = kdev->si_drv1;
drm_agp_binding_t request;
drm_agp_mem_t *entry;
int retcode;
int page;
DRM_DEBUG("agp_bind, page_size=%x\n", PAGE_SIZE);
if (!dev->agp || !dev->agp->acquired)
return EINVAL;
request = *(drm_agp_binding_t *) data;
if (!(entry = DRM(agp_lookup_entry)(dev, (void *) request.handle)))
return EINVAL;
if (entry->bound) return EINVAL;
page = (request.offset + PAGE_SIZE - 1) / PAGE_SIZE;
if ((retcode = DRM(bind_agp)(entry->handle, page)))
return retcode;
entry->bound = dev->agp->base + (page << PAGE_SHIFT);
return 0;
}
int DRM(agp_free)(DRM_OS_IOCTL)
{
drm_device_t *dev = kdev->si_drv1;
drm_agp_buffer_t request;
drm_agp_mem_t *entry;
if (!dev->agp || !dev->agp->acquired) return EINVAL;
request = *(drm_agp_buffer_t *) data;
if (!(entry = DRM(agp_lookup_entry)(dev, (void*) request.handle)))
return EINVAL;
if (entry->bound) DRM(unbind_agp)(entry->handle);
if (entry->prev) entry->prev->next = entry->next;
else dev->agp->memory = entry->next;
if (entry->next) entry->next->prev = entry->prev;
DRM(free_agp)(entry->handle, entry->pages);
DRM(free)(entry, sizeof(*entry), DRM_MEM_AGPLISTS);
return 0;
}
drm_agp_head_t *DRM(agp_init)(void)
{
device_t agpdev;
drm_agp_head_t *head = NULL;
int agp_available = 1;
agpdev = agp_find_device();
if (!agpdev)
agp_available = 0;
DRM_DEBUG("agp_available = %d\n", agp_available);
if (agp_available) {
if (!(head = DRM(alloc)(sizeof(*head), DRM_MEM_AGPLISTS)))
return NULL;
bzero((void *)head, sizeof(*head));
head->agpdev = agpdev;
agp_get_info(agpdev, &head->info);
head->memory = NULL;
#if 0 /* bogus */
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:
}
#endif
DRM_INFO("AGP at 0x%08x %dMB\n",
head->info.ai_aperture_base,
head->info.ai_aperture_size >> 20);
}
return head;
}
void DRM(agp_uninit)(void)
{
/* FIXME: What goes here */
}
agp_memory *DRM(agp_allocate_memory)(size_t pages, u32 type)
{
device_t agpdev;
agpdev = agp_find_device();
if (!agpdev)
return NULL;
return agp_alloc_memory(agpdev, type, pages << AGP_PAGE_SHIFT);
}
int DRM(agp_free_memory)(agp_memory *handle)
{
device_t agpdev;
agpdev = agp_find_device();
if (!agpdev || !handle)
return 0;
agp_free_memory(agpdev, handle);
return 1;
}
int DRM(agp_bind_memory)(agp_memory *handle, off_t start)
{
device_t agpdev;
agpdev = agp_find_device();
if (!agpdev || !handle)
return EINVAL;
return agp_bind_memory(agpdev, handle, start * PAGE_SIZE);
}
int DRM(agp_unbind_memory)(agp_memory *handle)
{
device_t agpdev;
agpdev = agp_find_device();
if (!agpdev || !handle)
return EINVAL;
return agp_unbind_memory(agpdev, handle);
}

158
bsd/drm_linux.h Normal file
View File

@ -0,0 +1,158 @@
/*
* Copyright (c) 2000 by Coleman Kane <cokane@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Gardner Buchanan.
* 4. The name of Gardner Buchanan may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD: src/sys/dev/tdfx/tdfx_linux.h,v 1.4 2000/08/22 05:57:55 marcel Exp $
*/
/* FIXME: There are IOCTLS to merge in here, see drm.h*/
/* Query IOCTLs */
/* XFree86 4.1.x DRI support */
#define LINUX_DRM_IOCTL_VERSION 0x6400
#define LINUX_DRM_IOCTL_GET_UNIQUE 0x6401
#define LINUX_DRM_IOCTL_GET_MAGIC 0x6402
#define LINUX_DRM_IOCTL_IRQ_BUSID 0x6403
#define LINUX_DRM_IOCTL_GET_MAP 0x6404
#define LINUX_DRM_IOCTL_GET_CLIENT 0x6405
#define LINUX_DRM_IOCTL_GET_STATS 0x6406
#define LINUX_DRM_IOCTL_SET_UNIQUE 0x6410
#define LINUX_DRM_IOCTL_AUTH_MAGIC 0x6411
#define LINUX_DRM_IOCTL_BLOCK 0x6412
#define LINUX_DRM_IOCTL_UNBLOCK 0x6413
#define LINUX_DRM_IOCTL_CONTROL 0x6414
#define LINUX_DRM_IOCTL_ADD_MAP 0x6415
#define LINUX_DRM_IOCTL_ADD_BUFS 0x6416
#define LINUX_DRM_IOCTL_MARK_BUFS 0x6417
#define LINUX_DRM_IOCTL_INFO_BUFS 0x6418
#define LINUX_DRM_IOCTL_MAP_BUFS 0x6419
#define LINUX_DRM_IOCTL_FREE_BUFS 0x641a
#define LINUX_DRM_IOCTL_RM_MAP 0x641b
#define LINUX_DRM_IOCTL_SET_SAREA_CTX 0x641c
#define LINUX_DRM_IOCTL_GET_SAREA_CTX 0x641d
#define LINUX_DRM_IOCTL_ADD_CTX 0x6420
#define LINUX_DRM_IOCTL_RM_CTX 0x6421
#define LINUX_DRM_IOCTL_MOD_CTX 0x6422
#define LINUX_DRM_IOCTL_GET_CTX 0x6423
#define LINUX_DRM_IOCTL_SWITCH_CTX 0x6424
#define LINUX_DRM_IOCTL_NEW_CTX 0x6425
#define LINUX_DRM_IOCTL_RES_CTX 0x6426
#define LINUX_DRM_IOCTL_ADD_DRAW 0x6427
#define LINUX_DRM_IOCTL_RM_DRAW 0x6428
#define LINUX_DRM_IOCTL_DMA 0x6429
#define LINUX_DRM_IOCTL_LOCK 0x642a
#define LINUX_DRM_IOCTL_UNLOCK 0x642b
#define LINUX_DRM_IOCTL_FINISH 0x642c
#define LINUX_DRM_IOCTL_AGP_ACQUIRE 0x6430
#define LINUX_DRM_IOCTL_AGP_RELEASE 0x6431
#define LINUX_DRM_IOCTL_AGP_ENABLE 0x6432
#define LINUX_DRM_IOCTL_AGP_INFO 0x6433
#define LINUX_DRM_IOCTL_AGP_ALLOC 0x6434
#define LINUX_DRM_IOCTL_AGP_FREE 0x6435
#define LINUX_DRM_IOCTL_AGP_BIND 0x6436
#define LINUX_DRM_IOCTL_AGP_UNBIND 0x6437
#define LINUX_DRM_IOCTL_SG_ALLOC 0x6438
#define LINUX_DRM_IOCTL_SG_FREE 0x6439
/* MGA specific ioctls */
#define LINUX_DRM_IOCTL_MGA_INIT 0x6440
#define LINUX_DRM_IOCTL_MGA_FLUSH 0x6441
#define LINUX_DRM_IOCTL_MGA_RESET 0x6442
#define LINUX_DRM_IOCTL_MGA_SWAP 0x6443
#define LINUX_DRM_IOCTL_MGA_CLEAR 0x6444
#define LINUX_DRM_IOCTL_MGA_VERTEX 0x6445
#define LINUX_DRM_IOCTL_MGA_INDICES 0x6446
#define LINUX_DRM_IOCTL_MGA_ILOAD 0x6447
#define LINUX_DRM_IOCTL_MGA_BLIT 0x6448
/* i810 specific ioctls */
#define LINUX_DRM_IOCTL_I810_INIT 0x6440
#define LINUX_DRM_IOCTL_I810_VERTEX 0x6441
#define LINUX_DRM_IOCTL_I810_CLEAR 0x6442
#define LINUX_DRM_IOCTL_I810_FLUSH 0x6443
#define LINUX_DRM_IOCTL_I810_GETAGE 0x6444
#define LINUX_DRM_IOCTL_I810_GETBUF 0x6445
#define LINUX_DRM_IOCTL_I810_SWAP 0x6446
#define LINUX_DRM_IOCTL_I810_COPY 0x6447
#define LINUX_DRM_IOCTL_I810_DOCOPY 0x6448
/* I830 specific ioctls */
#define LINUX_DRM_IOCTL_I830_INIT 0x6440
#define LINUX_DRM_IOCTL_I830_VERTEX 0x6441
#define LINUX_DRM_IOCTL_I830_CLEAR 0x6442
#define LINUX_DRM_IOCTL_I830_FLUSH 0x6443
#define LINUX_DRM_IOCTL_I830_GETAGE 0x6444
#define LINUX_DRM_IOCTL_I830_GETBUF 0x6445
#define LINUX_DRM_IOCTL_I830_SWAP 0x6446
#define LINUX_DRM_IOCTL_I830_COPY 0x6447
#define LINUX_DRM_IOCTL_I830_DOCOPY 0x6448
/* Rage 128 specific ioctls */
#define LINUX_DRM_IOCTL_R128_INIT 0x6440
#define LINUX_DRM_IOCTL_R128_CCE_START 0x6441
#define LINUX_DRM_IOCTL_R128_CCE_STOP 0x6442
#define LINUX_DRM_IOCTL_R128_CCE_RESET 0x6443
#define LINUX_DRM_IOCTL_R128_CCE_IDLE 0x6444
#define LINUX_DRM_IOCTL_R128_RESET 0x6446
#define LINUX_DRM_IOCTL_R128_SWAP 0x6447
#define LINUX_DRM_IOCTL_R128_CLEAR 0x6448
#define LINUX_DRM_IOCTL_R128_VERTEX 0x6449
#define LINUX_DRM_IOCTL_R128_INDICES 0x644a
#define LINUX_DRM_IOCTL_R128_BLIT 0x644b
#define LINUX_DRM_IOCTL_R128_DEPTH 0x644c
#define LINUX_DRM_IOCTL_R128_STIPPLE 0x644d
#define LINUX_DRM_IOCTL_R128_INDIRECT 0x644f
#define LINUX_DRM_IOCTL_R128_FULLSCREEN 0x6450
/* Radeon specific ioctls */
#define LINUX_DRM_IOCTL_RADEON_CP_INIT 0x6440
#define LINUX_DRM_IOCTL_RADEON_CP_START 0x6441
#define LINUX_DRM_IOCTL_RADEON_CP_STOP 0x6442
#define LINUX_DRM_IOCTL_RADEON_CP_RESET 0x6443
#define LINUX_DRM_IOCTL_RADEON_CP_IDLE 0x6444
#define LINUX_DRM_IOCTL_RADEON_RESET 0x6445
#define LINUX_DRM_IOCTL_RADEON_FULLSCREEN 0x6446
#define LINUX_DRM_IOCTL_RADEON_SWAP 0x6447
#define LINUX_DRM_IOCTL_RADEON_CLEAR 0x6448
#define LINUX_DRM_IOCTL_RADEON_VERTEX 0x6449
#define LINUX_DRM_IOCTL_RADEON_INDICES 0x644a
#define LINUX_DRM_IOCTL_RADEON_STIPPLE 0x644c
#define LINUX_DRM_IOCTL_RADEON_INDIRECT 0x644d
#define LINUX_DRM_IOCTL_RADEON_TEXTURE 0x644e
/* card specific ioctls may increase the DRM_MAX */
#define LINUX_IOCTL_DRM_MIN LINUX_DRM_IOCTL_VERSION
#define LINUX_IOCTL_DRM_MAX LINUX_DRM_IOCTL_R128_FULLSCREEN

375
bsd/drm_os_freebsd.h Normal file
View File

@ -0,0 +1,375 @@
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/stat.h>
#include <sys/proc.h>
#include <sys/lock.h>
#include <sys/fcntl.h>
#include <sys/uio.h>
#include <sys/filio.h>
#include <sys/sysctl.h>
#include <sys/select.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <machine/pmap.h>
#if __FreeBSD_version >= 500000
#include <sys/selinfo.h>
#endif
#include <sys/bus.h>
#if __FreeBSD_version >= 400005
#include <sys/taskqueue.h>
#endif
#if __FreeBSD_version >= 500000
#include <sys/mutex.h>
#endif
#if __FreeBSD_version >= 400006
#define __REALLY_HAVE_AGP __HAVE_AGP
#endif
#define __REALLY_HAVE_MTRR 0
#define __REALLY_HAVE_SG 0
#if __REALLY_HAVE_AGP
#include <pci/agpvar.h>
#endif
#define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */
#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
#define DRM_DEV_UID 0
#define DRM_DEV_GID 0
#if __FreeBSD_version >= 500000
#define DRM_OS_SPINTYPE struct mtx
#define DRM_OS_SPININIT(l,name) mtx_init(&l, name, MTX_DEF)
#define DRM_OS_SPINLOCK(l) mtx_lock(l)
#define DRM_OS_SPINUNLOCK(u) mtx_unlock(u);
#define DRM_OS_LOCK lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, curthread)
#define DRM_OS_UNLOCK lockmgr(&dev->dev_lock, LK_RELEASE, 0, curthread)
#define DRM_OS_CURPROC curthread
#define DRM_OS_STRUCTPROC struct thread
#define DRM_OS_CURRENTPID curthread->td_proc->p_pid
#define DRM_OS_IOCTL dev_t kdev, u_long cmd, caddr_t data, int flags, struct thread *p
#define DRM_OS_CHECKSUSER suser(p->td_proc)
#else
#define DRM_OS_CURPROC curproc
#define DRM_OS_STRUCTPROC struct proc
#define DRM_OS_SPINTYPE struct simplelock
#define DRM_OS_SPININIT(l,name) simple_lock_init(&l)
#define DRM_OS_SPINLOCK(l) simple_lock(l)
#define DRM_OS_SPINUNLOCK(u) simple_unlock(u);
#define DRM_OS_IOCTL dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p
#define DRM_OS_LOCK lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, curproc)
#define DRM_OS_UNLOCK lockmgr(&dev->dev_lock, LK_RELEASE, 0, curproc)
#define DRM_OS_CURRENTPID curproc->p_pid
#define DRM_OS_CHECKSUSER suser(p)
#endif
#define DRM_OS_TASKQUEUE_ARGS void *dev, int pending
#define DRM_OS_IRQ_ARGS void *device
#define DRM_OS_DEVICE drm_device_t *dev = kdev->si_drv1
#define DRM_OS_MALLOC(size) malloc( size, DRM(M_DRM), M_NOWAIT )
#define DRM_OS_FREE(pt) free( pt, DRM(M_DRM) )
#define DRM_OS_VTOPHYS(addr) vtophys(addr)
#define DRM_OS_PRIV \
drm_file_t *priv = (drm_file_t *) DRM(find_file_by_proc)(dev, p); \
if (!priv) { \
DRM_DEBUG("can't find authenticator\n"); \
return EINVAL; \
}
#define DRM_OS_DELAY( udelay ) \
do { \
struct timeval tv1, tv2; \
microtime(&tv1); \
do { \
microtime(&tv2); \
} \
while (((tv2.tv_sec-tv1.tv_sec)*1000000 + tv2.tv_usec - tv1.tv_usec) < udelay ); \
} while (0)
#define DRM_OS_RETURN(v) return v;
#define DRM_OS_KRNTOUSR(arg1, arg2, arg3) \
*arg1 = arg2
#define DRM_OS_KRNFROMUSR(arg1, arg2, arg3) \
arg1 = *arg2
#define DRM_OS_COPYTOUSR(arg1, arg2, arg3) \
copyout(arg2, arg1, arg3)
#define DRM_OS_COPYFROMUSR(arg1, arg2, arg3) \
copyin(arg2, arg1, arg3)
#define DRM_OS_READMEMORYBARRIER \
{ \
int xchangeDummy; \
DRM_DEBUG("%s\n", __FUNCTION__); \
__asm__ volatile(" push %%eax ; xchg %%eax, %0 ; pop %%eax" : : "m" (xchangeDummy)); \
__asm__ volatile(" push %%eax ; push %%ebx ; push %%ecx ; push %%edx ;" \
" movl $0,%%eax ; cpuid ; pop %%edx ; pop %%ecx ; pop %%ebx ;" \
" pop %%eax" : /* no outputs */ : /* no inputs */ ); \
} while (0);
#define DRM_OS_WRITEMEMORYBARRIER DRM_OS_READMEMORYBARRIER
#define DRM_OS_WAKEUP(w) wakeup(w)
#define DRM_OS_WAKEUP_INT(w) wakeup(w)
#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK)
#define malloctype DRM(M_DRM)
/* The macros confliced in the MALLOC_DEFINE */
MALLOC_DECLARE(malloctype);
#undef malloctype
typedef struct drm_chipinfo
{
int vendor;
int device;
int supported;
char *name;
} drm_chipinfo_t;
typedef unsigned long atomic_t;
typedef u_int32_t cycles_t;
typedef u_int32_t spinlock_t;
typedef u_int32_t u32;
typedef u_int16_t u16;
typedef u_int8_t u8;
#define atomic_set(p, v) (*(p) = (v))
#define atomic_read(p) (*(p))
#define atomic_inc(p) atomic_add_long(p, 1)
#define atomic_dec(p) atomic_subtract_long(p, 1)
#define atomic_add(n, p) atomic_add_long(p, n)
#define atomic_sub(n, p) atomic_subtract_long(p, n)
/* Fake this */
static __inline unsigned int
test_and_set_bit(int b, volatile unsigned long *p)
{
int s = splhigh();
unsigned int m = 1<<b;
unsigned int r = *p & m;
*p |= m;
splx(s);
return r;
}
static __inline void
clear_bit(int b, volatile unsigned long *p)
{
atomic_clear_long(p + (b >> 5), 1 << (b & 0x1f));
}
static __inline void
set_bit(int b, volatile unsigned long *p)
{
atomic_set_long(p + (b >> 5), 1 << (b & 0x1f));
}
static __inline int
test_bit(int b, volatile unsigned long *p)
{
return p[b >> 5] & (1 << (b & 0x1f));
}
static __inline int
find_first_zero_bit(volatile unsigned long *p, int max)
{
int b;
for (b = 0; b < max; b += 32) {
if (p[b >> 5] != ~0) {
for (;;) {
if ((p[b >> 5] & (1 << (b & 0x1f))) == 0)
return b;
b++;
}
}
}
return max;
}
#define spldrm() spltty()
#define memset(p, v, s) bzero(p, s)
/*
* Fake out the module macros for versions of FreeBSD where they don't
* exist.
*/
#if (__FreeBSD_version < 500002 && __FreeBSD_version > 500000) || __FreeBSD_version < 420000
/* FIXME: again, what's the exact date? */
#define MODULE_VERSION(a,b) struct __hack
#define MODULE_DEPEND(a,b,c,d,e) struct __hack
#endif
#define __drm_dummy_lock(lock) (*(__volatile__ unsigned int *)lock)
#define _DRM_CAS(lock,old,new,__ret) \
do { \
int __dummy; /* Can't mark eax as clobbered */ \
__asm__ __volatile__( \
"lock ; cmpxchg %4,%1\n\t" \
"setnz %0" \
: "=d" (__ret), \
"=m" (__drm_dummy_lock(lock)), \
"=a" (__dummy) \
: "2" (old), \
"r" (new)); \
} while (0)
/* Redefinitions to make templating easy */
#define wait_queue_head_t long
#define agp_memory void
#define jiffies ticks
/* Macros to make printf easier */
#define DRM_ERROR(fmt, arg...) \
printf("error: " "[" DRM_NAME ":" __FUNCTION__ "] *ERROR* " fmt , ##arg)
#define DRM_MEM_ERROR(area, fmt, arg...) \
printf("error: " "[" DRM_NAME ":" __FUNCTION__ ":%s] *ERROR* " fmt , \
DRM(mem_stats)[area].name , ##arg)
#define DRM_INFO(fmt, arg...) printf("info: " "[" DRM_NAME "] " fmt , ##arg)
#if DRM_DEBUG_CODE
#define DRM_DEBUG(fmt, arg...) \
do { \
if (DRM(flags) & DRM_FLAG_DEBUG) \
printf("[" DRM_NAME ":" __FUNCTION__ "] " fmt , \
##arg); \
} while (0)
#else
#define DRM_DEBUG(fmt, arg...) do { } while (0)
#endif
#define DRM_PROC_LIMIT (PAGE_SIZE-80)
#if (__FreeBSD_version >= 500000) || ((__FreeBSD_version < 500000) && (__FreeBSD_version >= 410002))
#define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS)
#else
#define DRM_SYSCTL_HANDLER_ARGS SYSCTL_HANDLER_ARGS
#endif
#define DRM_SYSCTL_PRINT(fmt, arg...) \
snprintf(buf, sizeof(buf), fmt, ##arg); \
error = SYSCTL_OUT(req, buf, strlen(buf)); \
if (error) return error;
#define DRM_SYSCTL_PRINT_RET(ret, fmt, arg...) \
snprintf(buf, sizeof(buf), fmt, ##arg); \
error = SYSCTL_OUT(req, buf, strlen(buf)); \
if (error) { ret; return error; }
#define DRM_FIND_MAP(dest, o) \
do { \
drm_map_list_entry_t *listentry; \
TAILQ_FOREACH(listentry, dev->maplist, link) { \
if ( listentry->map->offset == o ) { \
dest = listentry->map; \
break; \
} \
} \
} while (0)
/* Internal functions */
/* drm_drv.h */
extern d_ioctl_t DRM(ioctl);
extern d_ioctl_t DRM(lock);
extern d_ioctl_t DRM(unlock);
extern d_open_t DRM(open);
extern d_close_t DRM(close);
extern d_read_t DRM(read);
extern d_write_t DRM(write);
extern d_poll_t DRM(poll);
extern d_mmap_t DRM(mmap);
extern int DRM(open_helper)(dev_t kdev, int flags, int fmt,
DRM_OS_STRUCTPROC *p, drm_device_t *dev);
extern drm_file_t *DRM(find_file_by_proc)(drm_device_t *dev,
DRM_OS_STRUCTPROC *p);
/* Misc. IOCTL support (drm_ioctl.h) */
extern d_ioctl_t DRM(irq_busid);
extern d_ioctl_t DRM(getunique);
extern d_ioctl_t DRM(setunique);
extern d_ioctl_t DRM(getmap);
extern d_ioctl_t DRM(getclient);
extern d_ioctl_t DRM(getstats);
/* Context IOCTL support (drm_context.h) */
extern d_ioctl_t DRM(resctx);
extern d_ioctl_t DRM(addctx);
extern d_ioctl_t DRM(modctx);
extern d_ioctl_t DRM(getctx);
extern d_ioctl_t DRM(switchctx);
extern d_ioctl_t DRM(newctx);
extern d_ioctl_t DRM(rmctx);
extern d_ioctl_t DRM(setsareactx);
extern d_ioctl_t DRM(getsareactx);
/* Drawable IOCTL support (drm_drawable.h) */
extern d_ioctl_t DRM(adddraw);
extern d_ioctl_t DRM(rmdraw);
/* Authentication IOCTL support (drm_auth.h) */
extern d_ioctl_t DRM(getmagic);
extern d_ioctl_t DRM(authmagic);
/* Locking IOCTL support (drm_lock.h) */
extern d_ioctl_t DRM(block);
extern d_ioctl_t DRM(unblock);
extern d_ioctl_t DRM(finish);
/* Buffer management support (drm_bufs.h) */
extern d_ioctl_t DRM(addmap);
extern d_ioctl_t DRM(rmmap);
#if __HAVE_DMA
extern d_ioctl_t DRM(addbufs_agp);
extern d_ioctl_t DRM(addbufs_pci);
extern d_ioctl_t DRM(addbufs_sg);
extern d_ioctl_t DRM(addbufs);
extern d_ioctl_t DRM(infobufs);
extern d_ioctl_t DRM(markbufs);
extern d_ioctl_t DRM(freebufs);
extern d_ioctl_t DRM(mapbufs);
#endif
/* Memory management support (drm_memory.h) */
extern int DRM(mem_info) DRM_SYSCTL_HANDLER_ARGS;
/* DMA support (drm_dma.h) */
#if __HAVE_DMA_IRQ
extern d_ioctl_t DRM(control);
#endif
/* AGP/GART support (drm_agpsupport.h) */
#if __REALLY_HAVE_AGP
extern d_ioctl_t DRM(agp_acquire);
extern d_ioctl_t DRM(agp_release);
extern d_ioctl_t DRM(agp_enable);
extern d_ioctl_t DRM(agp_info);
extern d_ioctl_t DRM(agp_alloc);
extern d_ioctl_t DRM(agp_free);
extern d_ioctl_t DRM(agp_unbind);
extern d_ioctl_t DRM(agp_bind);
#endif
/* Scatter Gather Support (drm_scatter.h) */
#if __HAVE_SG
extern d_ioctl_t DRM(sg_alloc);
extern d_ioctl_t DRM(sg_free);
#endif
/* SysCtl Support (drm_sysctl.h) */
extern int DRM(sysctl_init)(drm_device_t *dev);
extern int DRM(sysctl_cleanup)(drm_device_t *dev);

523
bsd/drm_sysctl.h Normal file
View File

@ -0,0 +1,523 @@
SYSCTL_NODE(_hw, OID_AUTO, dri, CTLFLAG_RW, 0, "DRI Graphics");
static int DRM(name_info)DRM_SYSCTL_HANDLER_ARGS;
static int DRM(vm_info)DRM_SYSCTL_HANDLER_ARGS;
static int DRM(clients_info)DRM_SYSCTL_HANDLER_ARGS;
static int DRM(queues_info)DRM_SYSCTL_HANDLER_ARGS;
static int DRM(bufs_info)DRM_SYSCTL_HANDLER_ARGS;
#if DRM_DEBUG_CODExx
static int DRM(vma_info)DRM_SYSCTL_HANDLER_ARGS;
#endif
#if DRM_DMA_HISTOGRAM
static int DRM(histo_info)DRM_SYSCTL_HANDLER_ARGS;
#endif
struct DRM(sysctl_list) {
const char *name;
int (*f) DRM_SYSCTL_HANDLER_ARGS;
} DRM(sysctl_list)[] = {
{ "name", DRM(name_info) },
{ "mem", DRM(mem_info) },
{ "vm", DRM(vm_info) },
{ "clients", DRM(clients_info) },
{ "queues", DRM(queues_info) },
{ "bufs", DRM(bufs_info) },
#if DRM_DEBUG_CODExx
{ "vma", DRM(vma_info) },
#endif
#if DRM_DMA_HISTOGRAM
{ "histo", drm_histo_info) },
#endif
};
#define DRM_SYSCTL_ENTRIES (sizeof(DRM(sysctl_list))/sizeof(DRM(sysctl_list)[0]))
struct drm_sysctl_info {
struct sysctl_oid oids[DRM_SYSCTL_ENTRIES + 1];
struct sysctl_oid_list list;
char name[2];
};
int DRM(sysctl_init)(drm_device_t *dev)
{
struct drm_sysctl_info *info;
struct sysctl_oid *oid;
struct sysctl_oid *top;
int i;
/* Find the next free slot under hw.graphics */
i = 0;
SLIST_FOREACH(oid, &sysctl__hw_dri_children, oid_link) {
if (i <= oid->oid_arg2)
i = oid->oid_arg2 + 1;
}
info = DRM(alloc)(sizeof *info, DRM_MEM_DRIVER);
dev->sysctl = info;
/* Construct the node under hw.graphics */
info->name[0] = '0' + i;
info->name[1] = 0;
oid = &info->oids[DRM_SYSCTL_ENTRIES];
bzero(oid, sizeof(*oid));
oid->oid_parent = &sysctl__hw_dri_children;
oid->oid_number = OID_AUTO;
oid->oid_kind = CTLTYPE_NODE | CTLFLAG_RW;
oid->oid_arg1 = &info->list;
oid->oid_arg2 = i;
oid->oid_name = info->name;
oid->oid_handler = 0;
oid->oid_fmt = "N";
SLIST_INIT(&info->list);
sysctl_register_oid(oid);
top = oid;
for (i = 0; i < DRM_SYSCTL_ENTRIES; i++) {
oid = &info->oids[i];
bzero(oid, sizeof(*oid));
oid->oid_parent = top->oid_arg1;
oid->oid_number = OID_AUTO;
oid->oid_kind = CTLTYPE_INT | CTLFLAG_RD;
oid->oid_arg1 = dev;
oid->oid_arg2 = 0;
oid->oid_name = DRM(sysctl_list)[i].name;
oid->oid_handler = DRM(sysctl_list[)i].f;
oid->oid_fmt = "A";
sysctl_register_oid(oid);
}
return 0;
}
int DRM(sysctl_cleanup)(drm_device_t *dev)
{
int i;
DRM_DEBUG("dev->sysctl=%p\n", dev->sysctl);
for (i = 0; i < DRM_SYSCTL_ENTRIES + 1; i++)
sysctl_unregister_oid(&dev->sysctl->oids[i]);
DRM(free)(dev->sysctl, sizeof *dev->sysctl, DRM_MEM_DRIVER);
dev->sysctl = NULL;
return 0;
}
static int DRM(name_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
char buf[128];
int error;
if (dev->unique) {
DRM_SYSCTL_PRINT("%s 0x%x %s\n",
dev->name, dev2udev(dev->devnode), dev->unique);
} else {
DRM_SYSCTL_PRINT("%s 0x%x\n", dev->name, dev2udev(dev->devnode));
}
SYSCTL_OUT(req, "", 1);
return 0;
}
static int DRM(_vm_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
drm_map_t *map;
drm_map_list_entry_t *listentry;
const char *types[] = { "FB", "REG", "SHM" };
const char *type;
int i=0;
char buf[128];
int error;
DRM_SYSCTL_PRINT("slot offset size type flags "
"address mtrr\n\n");
error = SYSCTL_OUT(req, buf, strlen(buf));
if (error) return error;
if (dev->maplist != NULL) {
TAILQ_FOREACH(listentry, dev->maplist, link) {
map = listentry->map;
if (map->type < 0 || map->type > 2) type = "??";
else type = types[map->type];
DRM_SYSCTL_PRINT("%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08lx ",
i,
map->offset,
map->size,
type,
map->flags,
(unsigned long)map->handle);
if (map->mtrr < 0) {
DRM_SYSCTL_PRINT("none\n");
} else {
DRM_SYSCTL_PRINT("%4d\n", map->mtrr);
}
i++;
}
}
SYSCTL_OUT(req, "", 1);
return 0;
}
static int DRM(vm_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
int ret;
DRM_OS_LOCK;
ret = DRM(_vm_info)(oidp, arg1, arg2, req);
DRM_OS_UNLOCK;
return ret;
}
static int DRM(_queues_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
int i;
drm_queue_t *q;
char buf[128];
int error;
DRM_SYSCTL_PRINT(" ctx/flags use fin"
" blk/rw/rwf wait flushed queued"
" locks\n\n");
for (i = 0; i < dev->queue_count; i++) {
q = dev->queuelist[i];
atomic_inc(&q->use_count);
DRM_SYSCTL_PRINT_RET(atomic_dec(&q->use_count),
"%5d/0x%03x %5ld %5ld"
" %5ld/%c%c/%c%c%c %5d %10ld %10ld %10ld\n",
i,
q->flags,
atomic_read(&q->use_count),
atomic_read(&q->finalization),
atomic_read(&q->block_count),
atomic_read(&q->block_read) ? 'r' : '-',
atomic_read(&q->block_write) ? 'w' : '-',
q->read_queue ? 'r':'-',
q->write_queue ? 'w':'-',
q->flush_queue ? 'f':'-',
DRM_BUFCOUNT(&q->waitlist),
atomic_read(&q->total_flushed),
atomic_read(&q->total_queued),
atomic_read(&q->total_locks));
atomic_dec(&q->use_count);
}
SYSCTL_OUT(req, "", 1);
return 0;
}
static int DRM(queues_info) DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
int ret;
DRM_OS_LOCK;
ret = DRM(_queues_info)(oidp, arg1, arg2, req);
DRM_OS_UNLOCK;
return ret;
}
/* drm_bufs_info is called whenever a process reads
hw.dri.0.bufs. */
static int DRM(_bufs_info) DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
drm_device_dma_t *dma = dev->dma;
int i;
char buf[128];
int error;
if (!dma) return 0;
DRM_SYSCTL_PRINT(" o size count free segs pages kB\n\n");
for (i = 0; i <= DRM_MAX_ORDER; i++) {
if (dma->bufs[i].buf_count)
DRM_SYSCTL_PRINT("%2d %8d %5d %5ld %5d %5d %5d\n",
i,
dma->bufs[i].buf_size,
dma->bufs[i].buf_count,
atomic_read(&dma->bufs[i]
.freelist.count),
dma->bufs[i].seg_count,
dma->bufs[i].seg_count
*(1 << dma->bufs[i].page_order),
(dma->bufs[i].seg_count
* (1 << dma->bufs[i].page_order))
* PAGE_SIZE / 1024);
}
DRM_SYSCTL_PRINT("\n");
for (i = 0; i < dma->buf_count; i++) {
if (i && !(i%32)) DRM_SYSCTL_PRINT("\n");
DRM_SYSCTL_PRINT(" %d", dma->buflist[i]->list);
}
DRM_SYSCTL_PRINT("\n");
SYSCTL_OUT(req, "", 1);
return 0;
}
static int DRM(bufs_info) DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
int ret;
DRM_OS_LOCK;
ret = DRM(_bufs_info)(oidp, arg1, arg2, req);
DRM_OS_UNLOCK;
return ret;
}
static int DRM(_clients_info) DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
drm_file_t *priv;
char buf[128];
int error;
DRM_SYSCTL_PRINT("a dev pid uid magic ioctls\n\n");
TAILQ_FOREACH(priv, &dev->files, link) {
DRM_SYSCTL_PRINT("%c %3d %5d %5d %10u %10lu\n",
priv->authenticated ? 'y' : 'n',
priv->minor,
priv->pid,
priv->uid,
priv->magic,
priv->ioctl_count);
}
SYSCTL_OUT(req, "", 1);
return 0;
}
static int DRM(clients_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
int ret;
DRM_OS_LOCK;
ret = DRM(_clients_info)(oidp, arg1, arg2, req);
DRM_OS_UNLOCK;
return ret;
}
#if DRM_DEBUG_CODExx
static int DRM(_vma_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
drm_vma_entry_t *pt;
pgd_t *pgd;
pmd_t *pmd;
pte_t *pte;
unsigned long i;
struct vm_area_struct *vma;
unsigned long address;
#if defined(__i386__)
unsigned int pgprot;
#endif
char buf[128];
int error;
DRM_SYSCTL_PRINT("vma use count: %d, high_memory = %p, 0x%08lx\n",
atomic_read(&dev->vma_count),
high_memory, virt_to_phys(high_memory));
for (pt = dev->vmalist; pt; pt = pt->next) {
if (!(vma = pt->vma)) continue;
DRM_SYSCTL_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx",
pt->pid,
vma->vm_start,
vma->vm_end,
vma->vm_flags & VM_READ ? 'r' : '-',
vma->vm_flags & VM_WRITE ? 'w' : '-',
vma->vm_flags & VM_EXEC ? 'x' : '-',
vma->vm_flags & VM_MAYSHARE ? 's' : 'p',
vma->vm_flags & VM_LOCKED ? 'l' : '-',
vma->vm_flags & VM_IO ? 'i' : '-',
vma->vm_offset );
#if defined(__i386__)
pgprot = pgprot_val(vma->vm_page_prot);
DRM_SYSCTL_PRINT(" %c%c%c%c%c%c%c%c%c",
pgprot & _PAGE_PRESENT ? 'p' : '-',
pgprot & _PAGE_RW ? 'w' : 'r',
pgprot & _PAGE_USER ? 'u' : 's',
pgprot & _PAGE_PWT ? 't' : 'b',
pgprot & _PAGE_PCD ? 'u' : 'c',
pgprot & _PAGE_ACCESSED ? 'a' : '-',
pgprot & _PAGE_DIRTY ? 'd' : '-',
pgprot & _PAGE_4M ? 'm' : 'k',
pgprot & _PAGE_GLOBAL ? 'g' : 'l' );
#endif
DRM_SYSCTL_PRINT("\n");
for (i = vma->vm_start; i < vma->vm_end; i += PAGE_SIZE) {
pgd = pgd_offset(vma->vm_mm, i);
pmd = pmd_offset(pgd, i);
pte = pte_offset(pmd, i);
if (pte_present(*pte)) {
address = __pa(pte_page(*pte))
+ (i & (PAGE_SIZE-1));
DRM_SYSCTL_PRINT(" 0x%08lx -> 0x%08lx"
" %c%c%c%c%c\n",
i,
address,
pte_read(*pte) ? 'r' : '-',
pte_write(*pte) ? 'w' : '-',
pte_exec(*pte) ? 'x' : '-',
pte_dirty(*pte) ? 'd' : '-',
pte_young(*pte) ? 'a' : '-' );
} else {
DRM_SYSCTL_PRINT(" 0x%08lx\n", i);
}
}
}
SYSCTL_OUT(req, "", 1);
return 0;
}
static int DRM(vma_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
int ret;
DRM_OS_LOCK;
ret = DRM(_vma_info)(oidp, arg1, arg2, req);
DRM_OS_UNLOCK;
return ret;
}
#endif
#if DRM_DMA_HISTOGRAM
static int DRM(_histo_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
drm_device_dma_t *dma = dev->dma;
int i;
unsigned long slot_value = DRM_DMA_HISTOGRAM_INITIAL;
unsigned long prev_value = 0;
drm_buf_t *buffer;
char buf[128];
int error;
DRM_SYSCTL_PRINT("general statistics:\n");
DRM_SYSCTL_PRINT("total %10u\n", atomic_read(&dev->histo.total));
DRM_SYSCTL_PRINT("open %10u\n", atomic_read(&dev->total_open));
DRM_SYSCTL_PRINT("close %10u\n", atomic_read(&dev->total_close));
DRM_SYSCTL_PRINT("ioctl %10u\n", atomic_read(&dev->total_ioctl));
DRM_SYSCTL_PRINT("irq %10u\n", atomic_read(&dev->total_irq));
DRM_SYSCTL_PRINT("ctx %10u\n", atomic_read(&dev->total_ctx));
DRM_SYSCTL_PRINT("\nlock statistics:\n");
DRM_SYSCTL_PRINT("locks %10u\n", atomic_read(&dev->total_locks));
DRM_SYSCTL_PRINT("unlocks %10u\n", atomic_read(&dev->total_unlocks));
DRM_SYSCTL_PRINT("contends %10u\n", atomic_read(&dev->total_contends));
DRM_SYSCTL_PRINT("sleeps %10u\n", atomic_read(&dev->total_sleeps));
if (dma) {
DRM_SYSCTL_PRINT("\ndma statistics:\n");
DRM_SYSCTL_PRINT("prio %10u\n",
atomic_read(&dma->total_prio));
DRM_SYSCTL_PRINT("bytes %10u\n",
atomic_read(&dma->total_bytes));
DRM_SYSCTL_PRINT("dmas %10u\n",
atomic_read(&dma->total_dmas));
DRM_SYSCTL_PRINT("missed:\n");
DRM_SYSCTL_PRINT(" dma %10u\n",
atomic_read(&dma->total_missed_dma));
DRM_SYSCTL_PRINT(" lock %10u\n",
atomic_read(&dma->total_missed_lock));
DRM_SYSCTL_PRINT(" free %10u\n",
atomic_read(&dma->total_missed_free));
DRM_SYSCTL_PRINT(" sched %10u\n",
atomic_read(&dma->total_missed_sched));
DRM_SYSCTL_PRINT("tried %10u\n",
atomic_read(&dma->total_tried));
DRM_SYSCTL_PRINT("hit %10u\n",
atomic_read(&dma->total_hit));
DRM_SYSCTL_PRINT("lost %10u\n",
atomic_read(&dma->total_lost));
buffer = dma->next_buffer;
if (buffer) {
DRM_SYSCTL_PRINT("next_buffer %7d\n", buffer->idx);
} else {
DRM_SYSCTL_PRINT("next_buffer none\n");
}
buffer = dma->this_buffer;
if (buffer) {
DRM_SYSCTL_PRINT("this_buffer %7d\n", buffer->idx);
} else {
DRM_SYSCTL_PRINT("this_buffer none\n");
}
}
DRM_SYSCTL_PRINT("\nvalues:\n");
if (dev->lock.hw_lock) {
DRM_SYSCTL_PRINT("lock 0x%08x\n",
dev->lock.hw_lock->lock);
} else {
DRM_SYSCTL_PRINT("lock none\n");
}
DRM_SYSCTL_PRINT("context_flag 0x%08x\n", dev->context_flag);
DRM_SYSCTL_PRINT("interrupt_flag 0x%08x\n", dev->interrupt_flag);
DRM_SYSCTL_PRINT("dma_flag 0x%08x\n", dev->dma_flag);
DRM_SYSCTL_PRINT("queue_count %10d\n", dev->queue_count);
DRM_SYSCTL_PRINT("last_context %10d\n", dev->last_context);
DRM_SYSCTL_PRINT("last_switch %10u\n", dev->last_switch);
DRM_SYSCTL_PRINT("last_checked %10d\n", dev->last_checked);
DRM_SYSCTL_PRINT("\n q2d d2c c2f"
" q2c q2f dma sch"
" ctx lacq lhld\n\n");
for (i = 0; i < DRM_DMA_HISTOGRAM_SLOTS; i++) {
DRM_SYSCTL_PRINT("%s %10lu %10u %10u %10u %10u %10u"
" %10u %10u %10u %10u %10u\n",
i == DRM_DMA_HISTOGRAM_SLOTS - 1 ? ">=" : "< ",
i == DRM_DMA_HISTOGRAM_SLOTS - 1
? prev_value : slot_value ,
atomic_read(&dev->histo
.queued_to_dispatched[i]),
atomic_read(&dev->histo
.dispatched_to_completed[i]),
atomic_read(&dev->histo
.completed_to_freed[i]),
atomic_read(&dev->histo
.queued_to_completed[i]),
atomic_read(&dev->histo
.queued_to_freed[i]),
atomic_read(&dev->histo.dma[i]),
atomic_read(&dev->histo.schedule[i]),
atomic_read(&dev->histo.ctx[i]),
atomic_read(&dev->histo.lacq[i]),
atomic_read(&dev->histo.lhld[i]));
prev_value = slot_value;
slot_value = DRM_DMA_HISTOGRAM_NEXT(slot_value);
}
SYSCTL_OUT(req, "", 1);
return 0;
}
static int DRM(histo_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
int ret;
DRM_OS_LOCK;
ret = _drm_histo_info(oidp, arg1, arg2, req);
DRM_OS_UNLOCK;
return ret;
}
#endif

81
bsd/drm_vm.h Normal file
View File

@ -0,0 +1,81 @@
#include <vm/vm.h>
#include <vm/pmap.h>
static int DRM(dma_mmap)(dev_t kdev, vm_offset_t offset, int prot)
{
drm_device_t *dev = kdev->si_drv1;
drm_device_dma_t *dma = dev->dma;
unsigned long physical;
unsigned long page;
if (!dma) return -1; /* Error */
if (!dma->pagelist) return -1; /* Nothing allocated */
page = offset >> PAGE_SHIFT;
physical = dma->pagelist[page];
DRM_DEBUG("0x%08x (page %lu) => 0x%08lx\n", offset, page, physical);
return atop(physical);
}
int DRM(mmap)(dev_t kdev, vm_offset_t offset, int prot)
{
drm_device_t *dev = kdev->si_drv1;
drm_map_t *map = NULL;
drm_map_list_entry_t *listentry=NULL;
/*drm_file_t *priv;*/
/* DRM_DEBUG("offset = 0x%x\n", offset);*/
/*XXX Fixme */
/*priv = DRM(find_file_by_proc)(dev, p);
if (!priv) {
DRM_DEBUG("can't find authenticator\n");
return EINVAL;
}
if (!priv->authenticated) DRM_OS_RETURN(EACCES);*/
if (dev->dma
&& offset >= 0
&& offset < ptoa(dev->dma->page_count))
return DRM(dma_mmap)(kdev, offset, prot);
/* A sequential search of a linked list is
fine here because: 1) there will only be
about 5-10 entries in the list and, 2) a
DRI client only has to do this mapping
once, so it doesn't have to be optimized
for performance, even if the list was a
bit longer. */
TAILQ_FOREACH(listentry, dev->maplist, link) {
map = listentry->map;
/* DRM_DEBUG("considering 0x%x..0x%x\n", map->offset, map->offset + map->size - 1);*/
if (offset >= map->offset
&& offset < map->offset + map->size) break;
}
if (!listentry) {
DRM_DEBUG("can't find map\n");
return -1;
}
if (((map->flags&_DRM_RESTRICTED) && suser(curproc))) {
DRM_DEBUG("restricted map\n");
return -1;
}
switch (map->type) {
case _DRM_FRAME_BUFFER:
case _DRM_REGISTERS:
case _DRM_AGP:
return atop(offset);
case _DRM_SHM:
return atop(vtophys(offset));
default:
return -1; /* This should never happen. */
}
DRM_DEBUG("bailing out\n");
return -1;
}

524
bsd/gamma/gamma_dma.c
View File

@ -1,4 +1,4 @@
/* gamma_dma.c -- DMA support for GMX 2000 -*- c -*-
/* gamma_dma.c -- DMA support for GMX 2000 -*- linux-c -*-
* Created: Fri Mar 19 14:30:16 1999 by faith@precisioninsight.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
@ -11,11 +11,11 @@
* 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
@ -23,77 +23,36 @@
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*
* Authors:
* Rickard E. (Rik) Faith <faith@valinux.com>
*
*/
#define __NO_VERSION__
#include "gamma.h"
#include "drmP.h"
#include "gamma_drv.h"
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <vm/vm.h>
#include <vm/pmap.h>
/* WARNING!!! MAGIC NUMBER!!! The number of regions already added to the
kernel must be specified here. Currently, the number is 2. This must
match the order the X server uses for instantiating register regions ,
or must be passed in a new ioctl. */
#define GAMMA_REG(reg) \
(2 \
+ ((reg < 0x1000) \
? 0 \
: ((reg < 0x10000) ? 1 : ((reg < 0x11000) ? 2 : 3))))
#define GAMMA_OFF(reg) \
((reg < 0x1000) \
? reg \
: ((reg < 0x10000) \
? (reg - 0x1000) \
: ((reg < 0x11000) \
? (reg - 0x10000) \
: (reg - 0x11000))))
#define GAMMA_BASE(reg) ((unsigned long)dev->maplist[GAMMA_REG(reg)]->handle)
#define GAMMA_ADDR(reg) (GAMMA_BASE(reg) + GAMMA_OFF(reg))
#define GAMMA_DEREF(reg) *(__volatile__ int *)GAMMA_ADDR(reg)
#define GAMMA_READ(reg) GAMMA_DEREF(reg)
#define GAMMA_WRITE(reg,val) do { GAMMA_DEREF(reg) = val; } while (0)
#define GAMMA_BROADCASTMASK 0x9378
#define GAMMA_COMMANDINTENABLE 0x0c48
#define GAMMA_DMAADDRESS 0x0028
#define GAMMA_DMACOUNT 0x0030
#define GAMMA_FILTERMODE 0x8c00
#define GAMMA_GCOMMANDINTFLAGS 0x0c50
#define GAMMA_GCOMMANDMODE 0x0c40
#define GAMMA_GCOMMANDSTATUS 0x0c60
#define GAMMA_GDELAYTIMER 0x0c38
#define GAMMA_GDMACONTROL 0x0060
#define GAMMA_GINTENABLE 0x0808
#define GAMMA_GINTFLAGS 0x0810
#define GAMMA_INFIFOSPACE 0x0018
#define GAMMA_OUTFIFOWORDS 0x0020
#define GAMMA_OUTPUTFIFO 0x2000
#define GAMMA_SYNC 0x8c40
#define GAMMA_SYNC_TAG 0x0188
static __inline void gamma_dma_dispatch(drm_device_t *dev,
vm_offset_t address,
vm_size_t length)
static __inline__ void gamma_dma_dispatch(drm_device_t *dev, unsigned long address,
unsigned long length)
{
GAMMA_WRITE(GAMMA_DMAADDRESS, vtophys(address));
drm_gamma_private_t *dev_priv =
(drm_gamma_private_t *)dev->dev_private;
GAMMA_WRITE(GAMMA_DMAADDRESS, DRM_OS_VTOPHYS((void *)address));
while (GAMMA_READ(GAMMA_GCOMMANDSTATUS) != 4)
;
GAMMA_WRITE(GAMMA_DMACOUNT, length / 4);
}
static __inline void gamma_dma_quiescent_single(drm_device_t *dev)
void gamma_dma_quiescent_single(drm_device_t *dev)
{
drm_gamma_private_t *dev_priv =
(drm_gamma_private_t *)dev->dev_private;
while (GAMMA_READ(GAMMA_DMACOUNT))
;
while (GAMMA_READ(GAMMA_INFIFOSPACE) < 3)
@ -101,15 +60,18 @@ static __inline void gamma_dma_quiescent_single(drm_device_t *dev)
GAMMA_WRITE(GAMMA_FILTERMODE, 1 << 10);
GAMMA_WRITE(GAMMA_SYNC, 0);
do {
while (!GAMMA_READ(GAMMA_OUTFIFOWORDS))
;
} while (GAMMA_READ(GAMMA_OUTPUTFIFO) != GAMMA_SYNC_TAG);
}
static __inline void gamma_dma_quiescent_dual(drm_device_t *dev)
void gamma_dma_quiescent_dual(drm_device_t *dev)
{
drm_gamma_private_t *dev_priv =
(drm_gamma_private_t *)dev->dev_private;
while (GAMMA_READ(GAMMA_DMACOUNT))
;
while (GAMMA_READ(GAMMA_INFIFOSPACE) < 3)
@ -119,7 +81,7 @@ static __inline void gamma_dma_quiescent_dual(drm_device_t *dev)
GAMMA_WRITE(GAMMA_FILTERMODE, 1 << 10);
GAMMA_WRITE(GAMMA_SYNC, 0);
/* Read from first MX */
do {
while (!GAMMA_READ(GAMMA_OUTFIFOWORDS))
@ -133,43 +95,43 @@ static __inline void gamma_dma_quiescent_dual(drm_device_t *dev)
} while (GAMMA_READ(GAMMA_OUTPUTFIFO + 0x10000) != GAMMA_SYNC_TAG);
}
static __inline void gamma_dma_ready(drm_device_t *dev)
void gamma_dma_ready(drm_device_t *dev)
{
drm_gamma_private_t *dev_priv =
(drm_gamma_private_t *)dev->dev_private;
while (GAMMA_READ(GAMMA_DMACOUNT))
;
}
static __inline int gamma_dma_is_ready(drm_device_t *dev)
static __inline__ int gamma_dma_is_ready(drm_device_t *dev)
{
drm_gamma_private_t *dev_priv =
(drm_gamma_private_t *)dev->dev_private;
return !GAMMA_READ(GAMMA_DMACOUNT);
}
static void gamma_dma_service(void *arg)
void gamma_dma_service( DRM_OS_IRQ_ARGS)
{
drm_device_t *dev = (drm_device_t *)arg;
drm_device_dma_t *dma = dev->dma;
atomic_inc(&dev->total_irq);
drm_device_t *dev = (drm_device_t *)device;
drm_device_dma_t *dma = dev->dma;
drm_gamma_private_t *dev_priv =
(drm_gamma_private_t *)dev->dev_private;
atomic_inc(&dev->counts[6]); /* _DRM_STAT_IRQ */
GAMMA_WRITE(GAMMA_GDELAYTIMER, 0xc350/2); /* 0x05S */
GAMMA_WRITE(GAMMA_GCOMMANDINTFLAGS, 8);
GAMMA_WRITE(GAMMA_GINTFLAGS, 0x2001);
if (gamma_dma_is_ready(dev)) {
/* Free previous buffer */
if (test_and_set_bit(0, &dev->dma_flag)) {
atomic_inc(&dma->total_missed_free);
return;
}
if (test_and_set_bit(0, &dev->dma_flag)) return;
if (dma->this_buffer) {
drm_free_buffer(dev, dma->this_buffer);
gamma_free_buffer(dev, dma->this_buffer);
dma->this_buffer = NULL;
}
clear_bit(0, &dev->dma_flag);
#if 0
/* Dispatch new buffer */
queue_task(&dev->tq, &tq_immediate);
mark_bh(IMMEDIATE_BH);
#endif
}
}
@ -182,22 +144,19 @@ static int gamma_do_dma(drm_device_t *dev, int locked)
int retcode = 0;
drm_device_dma_t *dma = dev->dma;
#if DRM_DMA_HISTOGRAM
struct timespec dma_start, dma_stop;
cycles_t dma_start, dma_stop;
#endif
if (test_and_set_bit(0, &dev->dma_flag)) {
atomic_inc(&dma->total_missed_dma);
return EBUSY;
}
if (test_and_set_bit(0, &dev->dma_flag)) DRM_OS_RETURN( EBUSY );
#if DRM_DMA_HISTOGRAM
getnanotime(&dma_start);
dma_start = get_cycles();
#endif
if (!dma->next_buffer) {
DRM_ERROR("No next_buffer\n");
clear_bit(0, &dev->dma_flag);
return EINVAL;
DRM_OS_RETURN( EINVAL );
}
buf = dma->next_buffer;
@ -208,23 +167,23 @@ static int gamma_do_dma(drm_device_t *dev, int locked)
buf->context, buf->idx, length);
if (buf->list == DRM_LIST_RECLAIM) {
drm_clear_next_buffer(dev);
drm_free_buffer(dev, buf);
gamma_clear_next_buffer(dev);
gamma_free_buffer(dev, buf);
clear_bit(0, &dev->dma_flag);
return EINVAL;
DRM_OS_RETURN( EINVAL );
}
if (!length) {
DRM_ERROR("0 length buffer\n");
drm_clear_next_buffer(dev);
drm_free_buffer(dev, buf);
gamma_clear_next_buffer(dev);
gamma_free_buffer(dev, buf);
clear_bit(0, &dev->dma_flag);
return 0;
}
if (!gamma_dma_is_ready(dev)) {
clear_bit(0, &dev->dma_flag);
return EBUSY;
DRM_OS_RETURN( EBUSY );
}
if (buf->while_locked) {
@ -234,11 +193,10 @@ static int gamma_do_dma(drm_device_t *dev, int locked)
buf->idx, buf->pid);
}
} else {
if (!locked && !drm_lock_take(&dev->lock.hw_lock->lock,
if (!locked && !gamma_lock_take(&dev->lock.hw_lock->lock,
DRM_KERNEL_CONTEXT)) {
atomic_inc(&dma->total_missed_lock);
clear_bit(0, &dev->dma_flag);
return EBUSY;
DRM_OS_RETURN( EBUSY );
}
}
@ -246,13 +204,14 @@ static int gamma_do_dma(drm_device_t *dev, int locked)
&& !(dev->queuelist[buf->context]->flags
& _DRM_CONTEXT_PRESERVED)) {
/* PRE: dev->last_context != buf->context */
if (drm_context_switch(dev, dev->last_context, buf->context)) {
drm_clear_next_buffer(dev);
drm_free_buffer(dev, buf);
if (DRM(context_switch)(dev, dev->last_context,
buf->context)) {
DRM(clear_next_buffer)(dev);
DRM(free_buffer)(dev, buf);
}
retcode = EBUSY;
goto cleanup;
/* POST: we will wait for the context
switch and will dispatch on a later call
when dev->last_context == buf->context.
@ -260,23 +219,23 @@ static int gamma_do_dma(drm_device_t *dev, int locked)
TIME! */
}
drm_clear_next_buffer(dev);
gamma_clear_next_buffer(dev);
buf->pending = 1;
buf->waiting = 0;
buf->list = DRM_LIST_PEND;
#if DRM_DMA_HISTOGRAM
getnanotime(&buf->time_dispatched);
buf->time_dispatched = get_cycles();
#endif
gamma_dma_dispatch(dev, address, length);
drm_free_buffer(dev, dma->this_buffer);
gamma_free_buffer(dev, dma->this_buffer);
dma->this_buffer = buf;
atomic_add(length, &dma->total_bytes);
atomic_inc(&dma->total_dmas);
atomic_inc(&dev->counts[7]); /* _DRM_STAT_DMA */
atomic_add(length, &dev->counts[8]); /* _DRM_STAT_PRIMARY */
if (!buf->while_locked && !dev->context_flag && !locked) {
if (drm_lock_free(dev, &dev->lock.hw_lock->lock,
if (gamma_lock_free(dev, &dev->lock.hw_lock->lock,
DRM_KERNEL_CONTEXT)) {
DRM_ERROR("\n");
}
@ -286,15 +245,19 @@ cleanup:
clear_bit(0, &dev->dma_flag);
#if DRM_DMA_HISTOGRAM
getnanotime(&dma_stop);
timespecsub(&dma_stop, &dma_start);
atomic_inc(&dev->histo.ctx[drm_histogram_slot(&dma_stop)]);
dma_stop = get_cycles();
atomic_inc(&dev->histo.dma[gamma_histogram_slot(dma_stop - dma_start)]);
#endif
return retcode;
DRM_OS_RETURN( retcode );
}
static void gamma_dma_schedule_wrapper(void *dev)
static void gamma_dma_timer_bh(unsigned long dev)
{
gamma_dma_schedule((drm_device_t *)dev, 0);
}
void gamma_dma_immediate_bh(DRM_OS_TASKQUEUE_ARGS)
{
gamma_dma_schedule(dev, 0);
}
@ -310,24 +273,24 @@ int gamma_dma_schedule(drm_device_t *dev, int locked)
int expire = 20;
drm_device_dma_t *dma = dev->dma;
#if DRM_DMA_HISTOGRAM
struct timespec schedule_start;
cycles_t schedule_start;
#endif
if (test_and_set_bit(0, &dev->interrupt_flag)) {
/* Not reentrant */
atomic_inc(&dma->total_missed_sched);
return EBUSY;
atomic_inc(&dev->counts[10]); /* _DRM_STAT_MISSED */
DRM_OS_RETURN( EBUSY );
}
missed = atomic_read(&dma->total_missed_sched);
missed = atomic_read(&dev->counts[10]);
#if DRM_DMA_HISTOGRAM
getnanotime(&schedule_start);
schedule_start = get_cycles();
#endif
again:
if (dev->context_flag) {
clear_bit(0, &dev->interrupt_flag);
return EBUSY;
DRM_OS_RETURN( EBUSY );
}
if (dma->next_buffer) {
/* Unsent buffer that was previously
@ -335,23 +298,18 @@ again:
because the lock could not be obtained
or the DMA engine wasn't ready. Try
again. */
atomic_inc(&dma->total_tried);
if (!(retcode = gamma_do_dma(dev, locked))) {
atomic_inc(&dma->total_hit);
++processed;
}
if (!(retcode = gamma_do_dma(dev, locked))) ++processed;
} else {
do {
next = drm_select_queue(dev,
gamma_dma_schedule_wrapper);
next = gamma_select_queue(dev, gamma_dma_timer_bh);
if (next >= 0) {
q = dev->queuelist[next];
buf = drm_waitlist_get(&q->waitlist);
buf = gamma_waitlist_get(&q->waitlist);
dma->next_buffer = buf;
dma->next_queue = q;
if (buf && buf->list == DRM_LIST_RECLAIM) {
drm_clear_next_buffer(dev);
drm_free_buffer(dev, buf);
gamma_clear_next_buffer(dev);
gamma_free_buffer(dev, buf);
}
}
} while (next >= 0 && !dma->next_buffer);
@ -363,33 +321,26 @@ again:
}
if (--expire) {
if (missed != atomic_read(&dma->total_missed_sched)) {
atomic_inc(&dma->total_lost);
if (missed != atomic_read(&dev->counts[10])) {
if (gamma_dma_is_ready(dev)) goto again;
}
if (processed && gamma_dma_is_ready(dev)) {
atomic_inc(&dma->total_lost);
processed = 0;
goto again;
}
}
clear_bit(0, &dev->interrupt_flag);
#if DRM_DMA_HISTOGRAM
{
struct timespec ts;
getnanotime(&ts);
timespecsub(&ts, &schedule_start);
atomic_inc(&dev->histo.schedule[drm_histogram_slot(&ts)]);
}
atomic_inc(&dev->histo.schedule[gamma_histogram_slot(get_cycles()
- schedule_start)]);
#endif
return retcode;
}
static int gamma_dma_priority(drm_device_t *dev, drm_dma_t *d)
{
struct proc *p = curproc;
unsigned long address;
unsigned long length;
int must_free = 0;
@ -399,7 +350,7 @@ static int gamma_dma_priority(drm_device_t *dev, drm_dma_t *d)
drm_buf_t *buf;
drm_buf_t *last_buf = NULL;
drm_device_dma_t *dma = dev->dma;
static int never;
static int never;
/* Turn off interrupt handling */
while (test_and_set_bit(0, &dev->interrupt_flag)) {
@ -408,7 +359,7 @@ static int gamma_dma_priority(drm_device_t *dev, drm_dma_t *d)
return retcode;
}
if (!(d->flags & _DRM_DMA_WHILE_LOCKED)) {
while (!drm_lock_take(&dev->lock.hw_lock->lock,
while (!gamma_lock_take(&dev->lock.hw_lock->lock,
DRM_KERNEL_CONTEXT)) {
retcode = tsleep(&never, PZERO|PCATCH, "gamp2", 1);
if (retcode)
@ -416,7 +367,6 @@ static int gamma_dma_priority(drm_device_t *dev, drm_dma_t *d)
}
++must_free;
}
atomic_inc(&dma->total_prio);
for (i = 0; i < d->send_count; i++) {
idx = d->send_indices[i];
@ -426,15 +376,15 @@ static int gamma_dma_priority(drm_device_t *dev, drm_dma_t *d)
continue;
}
buf = dma->buflist[ idx ];
if (buf->pid != p->p_pid) {
if (buf->pid != DRM_OS_CURRENTPID) {
DRM_ERROR("Process %d using buffer owned by %d\n",
p->p_pid, buf->pid);
DRM_OS_CURRENTPID, buf->pid);
retcode = EINVAL;
goto cleanup;
}
if (buf->list != DRM_LIST_NONE) {
DRM_ERROR("Process %d using %d's buffer on list %d\n",
p->p_pid, buf->pid, buf->list);
DRM_OS_CURRENTPID, buf->pid, buf->list);
retcode = EINVAL;
goto cleanup;
}
@ -467,14 +417,13 @@ static int gamma_dma_priority(drm_device_t *dev, drm_dma_t *d)
goto cleanup;
}
buf->pending = 1;
if (dev->last_context != buf->context
&& !(dev->queuelist[buf->context]->flags
& _DRM_CONTEXT_PRESERVED)) {
atomic_inc(&dev->context_wait);
/* PRE: dev->last_context != buf->context */
drm_context_switch(dev, dev->last_context,
buf->context);
/* PRE: dev->last_context != buf->context */
DRM(context_switch)(dev, dev->last_context,
buf->context);
/* POST: we will wait for the context
switch and will dispatch on a later call
when dev->last_context == buf->context.
@ -482,7 +431,6 @@ static int gamma_dma_priority(drm_device_t *dev, drm_dma_t *d)
TIME! */
retcode = tsleep(&dev->context_wait, PZERO|PCATCH,
"gamctx", 0);
atomic_dec(&dev->context_wait);
if (retcode)
goto cleanup;
if (dev->last_context != buf->context) {
@ -493,15 +441,15 @@ static int gamma_dma_priority(drm_device_t *dev, drm_dma_t *d)
}
#if DRM_DMA_HISTOGRAM
getnanotime(&buf->time_queued);
buf->time_queued = get_cycles();
buf->time_dispatched = buf->time_queued;
#endif
gamma_dma_dispatch(dev, address, length);
atomic_add(length, &dma->total_bytes);
atomic_inc(&dma->total_dmas);
atomic_inc(&dev->counts[9]); /* _DRM_STAT_SPECIAL */
atomic_add(length, &dev->counts[8]); /* _DRM_STAT_PRIMARY */
if (last_buf) {
drm_free_buffer(dev, last_buf);
gamma_free_buffer(dev, last_buf);
}
last_buf = buf;
}
@ -510,40 +458,40 @@ static int gamma_dma_priority(drm_device_t *dev, drm_dma_t *d)
cleanup:
if (last_buf) {
gamma_dma_ready(dev);
drm_free_buffer(dev, last_buf);
gamma_free_buffer(dev, last_buf);
}
if (must_free && !dev->context_flag) {
if (drm_lock_free(dev, &dev->lock.hw_lock->lock,
if (gamma_lock_free(dev, &dev->lock.hw_lock->lock,
DRM_KERNEL_CONTEXT)) {
DRM_ERROR("\n");
}
}
clear_bit(0, &dev->interrupt_flag);
return retcode;
DRM_OS_RETURN( retcode );
}
static int gamma_dma_send_buffers(drm_device_t *dev, drm_dma_t *d)
{
struct proc *p = curproc;
drm_buf_t *last_buf = NULL;
int retcode = 0;
drm_device_dma_t *dma = dev->dma;
if ((retcode = drm_dma_enqueue(dev, d))) {
return retcode;
}
gamma_dma_schedule(dev, 0);
if (d->flags & _DRM_DMA_BLOCK) {
last_buf = dma->buflist[d->send_indices[d->send_count-1]];
atomic_inc(&last_buf->dma_wait);
}
if ((retcode = gamma_dma_enqueue(dev, d))) {
if (d->flags & _DRM_DMA_BLOCK)
atomic_dec(&last_buf->dma_wait);
return retcode;
}
gamma_dma_schedule(dev, 0);
if (d->flags & _DRM_DMA_BLOCK) {
DRM_DEBUG("%d waiting\n", p->p_pid);
DRM_DEBUG("%d waiting\n", DRM_OS_CURRENTPID);
for (;;) {
retcode = tsleep(&last_buf->dma_wait, PZERO|PCATCH,
"gamdw", 0);
@ -553,13 +501,12 @@ static int gamma_dma_send_buffers(drm_device_t *dev, drm_dma_t *d)
if (retcode)
break;
}
DRM_DEBUG("%d running\n", p->p_pid);
atomic_dec(&last_buf->dma_wait);
DRM_DEBUG("%d running\n", DRM_OS_CURRENTPID);
if (!retcode
|| (last_buf->list==DRM_LIST_PEND && !last_buf->pending)) {
if (!last_buf->dma_wait) {
drm_free_buffer(dev, last_buf);
gamma_free_buffer(dev, last_buf);
}
}
if (retcode) {
@ -571,254 +518,49 @@ static int gamma_dma_send_buffers(drm_device_t *dev, drm_dma_t *d)
last_buf->idx,
last_buf->list,
last_buf->pid,
p->p_pid);
DRM_OS_CURRENTPID);
}
}
return retcode;
DRM_OS_RETURN( retcode );
}
int gamma_dma(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p)
int gamma_dma( DRM_OS_IOCTL )
{
drm_device_t *dev = kdev->si_drv1;
DRM_OS_DEVICE;
drm_device_dma_t *dma = dev->dma;
int retcode = 0;
drm_dma_t d;
d = *(drm_dma_t *) data;
DRM_DEBUG("%d %d: %d send, %d req\n",
p->p_pid, d.context, d.send_count, d.request_count);
DRM_OS_KRNFROMUSR(d, (drm_dma_t *) data, sizeof(d));
if (d.context == DRM_KERNEL_CONTEXT || d.context >= dev->queue_slots) {
DRM_ERROR("Process %d using context %d\n",
p->p_pid, d.context);
return EINVAL;
}
if (d.send_count < 0 || d.send_count > dma->buf_count) {
DRM_ERROR("Process %d trying to send %d buffers (of %d max)\n",
p->p_pid, d.send_count, dma->buf_count);
return EINVAL;
DRM_OS_CURRENTPID, d.send_count, dma->buf_count);
DRM_OS_RETURN( EINVAL );
}
if (d.request_count < 0 || d.request_count > dma->buf_count) {
DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n",
p->p_pid, d.request_count, dma->buf_count);
return EINVAL;
DRM_OS_CURRENTPID, d.request_count, dma->buf_count);
DRM_OS_RETURN( EINVAL );
}
if (d.send_count) {
if (d.flags & _DRM_DMA_PRIORITY)
retcode = gamma_dma_priority(dev, &d);
else
else
retcode = gamma_dma_send_buffers(dev, &d);
}
d.granted_count = 0;
if (!retcode && d.request_count) {
retcode = drm_dma_get_buffers(dev, &d);
retcode = gamma_dma_get_buffers(dev, &d);
}
DRM_DEBUG("%d returning, granted = %d\n",
p->p_pid, d.granted_count);
*(drm_dma_t *) data = d;
DRM_OS_CURRENTPID, d.granted_count);
DRM_OS_KRNTOUSR((drm_dma_t *) data, d, sizeof(d));
return retcode;
}
int gamma_irq_install(drm_device_t *dev, int irq)
{
int rid;
int retcode;
if (!irq) return EINVAL;
lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, curproc);
if (dev->irq) {
lockmgr(&dev->dev_lock, LK_RELEASE, 0, curproc);
return EBUSY;
}
lockmgr(&dev->dev_lock, LK_RELEASE, 0, curproc);
DRM_DEBUG("%d\n", irq);
dev->context_flag = 0;
dev->interrupt_flag = 0;
dev->dma_flag = 0;
dev->dma->next_buffer = NULL;
dev->dma->next_queue = NULL;
dev->dma->this_buffer = NULL;
#if 0
dev->tq.next = NULL;
dev->tq.sync = 0;
dev->tq.routine = gamma_dma_schedule_tq_wrapper;
dev->tq.data = dev;
#endif
/* Before installing handler */
GAMMA_WRITE(GAMMA_GCOMMANDMODE, 0);
GAMMA_WRITE(GAMMA_GDMACONTROL, 0);
/* Install handler */
rid = 0;
dev->irq = bus_alloc_resource(dev->device, SYS_RES_IRQ, &rid,
0, ~0, 1, RF_SHAREABLE);
if (!dev->irq)
return ENOENT;
retcode = bus_setup_intr(dev->device, dev->irq, INTR_TYPE_TTY,
gamma_dma_service, dev, &dev->irqh);
if (retcode) {
bus_release_resource(dev->device, SYS_RES_IRQ, 0, dev->irq);
dev->irq = 0;
return retcode;
}
/* After installing handler */
GAMMA_WRITE(GAMMA_GINTENABLE, 0x2001);
GAMMA_WRITE(GAMMA_COMMANDINTENABLE, 0x0008);
GAMMA_WRITE(GAMMA_GDELAYTIMER, 0x39090);
return 0;
}
int gamma_irq_uninstall(drm_device_t *dev)
{
if (!dev->irq)
return EINVAL;
DRM_DEBUG("%ld\n", rman_get_start(dev->irq));
GAMMA_WRITE(GAMMA_GDELAYTIMER, 0);
GAMMA_WRITE(GAMMA_COMMANDINTENABLE, 0);
GAMMA_WRITE(GAMMA_GINTENABLE, 0);
bus_teardown_intr(dev->device, dev->irq, dev->irqh);
bus_release_resource(dev->device, SYS_RES_IRQ, 0, dev->irq);
dev->irq = 0;
return 0;
}
int gamma_control(dev_t kdev, u_long cmd, caddr_t data,
int flags, struct proc *p)
{
drm_device_t *dev = kdev->si_drv1;
drm_control_t ctl;
int retcode;
ctl = *(drm_control_t *) data;
switch (ctl.func) {
case DRM_INST_HANDLER:
if ((retcode = gamma_irq_install(dev, ctl.irq)))
return retcode;
break;
case DRM_UNINST_HANDLER:
if ((retcode = gamma_irq_uninstall(dev)))
return retcode;
break;
default:
return EINVAL;
}
return 0;
}
int gamma_lock(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p)
{
drm_device_t *dev = kdev->si_drv1;
int ret = 0;
drm_lock_t lock;
drm_queue_t *q;
#if DRM_DMA_HISTOGRAM
struct timespec start;
getnanotime(&start);
dev->lck_start = start;
#endif
lock = *(drm_lock_t *) data;
if (lock.context == DRM_KERNEL_CONTEXT) {
DRM_ERROR("Process %d using kernel context %d\n",
p->p_pid, lock.context);
return EINVAL;
}
DRM_DEBUG("%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n",
lock.context, p->p_pid, dev->lock.hw_lock->lock,
lock.flags);
if (lock.context < 0 || lock.context >= dev->queue_count)
return EINVAL;
q = dev->queuelist[lock.context];
ret = drm_flush_block_and_flush(dev, lock.context, lock.flags);
if (!ret) {
if (_DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)
!= lock.context) {
long j = ticks - dev->lock.lock_time;
if (j > 0 && j <= DRM_LOCK_SLICE) {
/* Can't take lock if we just had it and
there is contention. */
static int never;
ret = tsleep(&never, PZERO|PCATCH,
"gaml1", j);
if (ret)
return ret;
}
}
atomic_inc(&dev->lock.lock_queue);
for (;;) {
if (!dev->lock.hw_lock) {
/* Device has been unregistered */
ret = EINTR;
break;
}
if (drm_lock_take(&dev->lock.hw_lock->lock,
lock.context)) {
dev->lock.pid = p->p_pid;
dev->lock.lock_time = ticks;
atomic_inc(&dev->total_locks);
atomic_inc(&q->total_locks);
break; /* Got lock */
}
/* Contention */
atomic_inc(&dev->total_sleeps);
ret = tsleep(&dev->lock.lock_queue, PZERO|PCATCH,
"gaml2", 0);
if (ret)
break;
}
atomic_dec(&dev->lock.lock_queue);
}
drm_flush_unblock(dev, lock.context, lock.flags); /* cleanup phase */
if (!ret) {
if (lock.flags & _DRM_LOCK_READY)
gamma_dma_ready(dev);
if (lock.flags & _DRM_LOCK_QUIESCENT) {
if (gamma_found() == 1) {
gamma_dma_quiescent_single(dev);
} else {
gamma_dma_quiescent_dual(dev);
}
}
}
DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock");
#if DRM_DMA_HISTOGRAM
{
struct timespec ts;
getnanotime(&ts);
timespecsub(&ts, &start);
atomic_inc(&dev->histo.lacq[drm_histogram_slot(&ts)]);
}
#endif
return ret;
}

634
bsd/gamma/gamma_drv.c
View File

@ -1,4 +1,4 @@
/* gamma.c -- 3dlabs GMX 2000 driver -*- c -*-
/* gamma.c -- 3dlabs GMX 2000 driver -*- linux-c -*-
* Created: Mon Jan 4 08:58:31 1999 by faith@precisioninsight.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
@ -11,11 +11,11 @@
* 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
@ -23,607 +23,65 @@
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*
* Authors:
* Rickard E. (Rik) Faith <faith@valinux.com>
*
* Gareth Hughes <gareth@valinux.com>
*/
#include <sys/types.h>
#include <sys/bus.h>
#include <pci/pcivar.h>
#include <opt_drm_linux.h>
#include "gamma.h"
#include "drmP.h"
#include "gamma_drv.h"
#include <pci/pcivar.h>
#define DRIVER_AUTHOR "VA Linux Systems Inc."
MODULE_DEPEND(gamma, drm, 1, 1, 1);
#define DRIVER_NAME "gamma"
#define DRIVER_DESC "3DLabs gamma"
#define DRIVER_DATE "20010216"
#ifndef PCI_DEVICE_ID_3DLABS_GAMMA
#define PCI_DEVICE_ID_3DLABS_GAMMA 0x0008
#endif
#ifndef PCI_DEVICE_ID_3DLABS_MX
#define PCI_DEVICE_ID_3DLABS_MX 0x0006
#endif
#ifndef PCI_VENDOR_ID_3DLABS
#define PCI_VENDOR_ID_3DLABS 0x3d3d
#endif
#define DRIVER_MAJOR 1
#define DRIVER_MINOR 0
#define DRIVER_PATCHLEVEL 0
static int gamma_init(device_t nbdev);
static void gamma_cleanup(device_t nbdev);
#define DRIVER_IOCTLS \
[DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { gamma_dma, 1, 0 }
static int gamma_probe(device_t dev)
{
const char *s = 0;
switch (pci_get_devid(dev)) {
case 0x00083d3d:
s = "3D Labs Gamma graphics accelerator";
break;
case 0x00063d3d:
s = "3D Labs MX graphics accelerator";
break;
}
if (s) {
device_set_desc(dev, s);
return 0;
}
return ENXIO;
}
static int gamma_attach(device_t dev)
{
gamma_init(dev);
return 0;
}
static int gamma_detach(device_t dev)
{
gamma_cleanup(dev);
return 0;
}
static device_method_t gamma_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, gamma_probe),
DEVMETHOD(device_attach, gamma_attach),
DEVMETHOD(device_detach, gamma_detach),
{ 0, 0 }
/* List acquired from http://www.yourvote.com/pci/pcihdr.h and xc/xc/programs/Xserver/hw/xfree86/common/xf86PciInfo.h
* Please report to anholt@teleport.com inaccuracies or if a chip you have works that is marked unsupported here.
*/
drm_chipinfo_t DRM(devicelist)[] = {
{0x3d3d, 0x0008, 1, "3DLabs Gamma"},
{0, 0, 0, NULL}
};
static driver_t gamma_driver = {
"drm",
gamma_methods,
sizeof(drm_device_t),
};
static devclass_t gamma_devclass;
#define GAMMA_SOFTC(unit) \
((drm_device_t *) devclass_get_softc(gamma_devclass, unit))
DRIVER_MODULE(if_gamma, pci, gamma_driver, gamma_devclass, 0, 0);
#define GAMMA_NAME "gamma"
#define GAMMA_DESC "3dlabs GMX 2000"
#define GAMMA_DATE "20000606"
#define GAMMA_MAJOR 1
#define GAMMA_MINOR 0
#define GAMMA_PATCHLEVEL 0
#define CDEV_MAJOR 200
static struct cdevsw gamma_cdevsw = {
/* open */ gamma_open,
/* close */ gamma_close,
/* read */ drm_read,
/* write */ drm_write,
/* ioctl */ gamma_ioctl,
/* poll */ nopoll,
/* mmap */ drm_mmap,
/* strategy */ nostrategy,
/* name */ "gamma",
/* maj */ CDEV_MAJOR,
/* dump */ nodump,
/* psize */ nopsize,
/* flags */ D_TTY | D_TRACKCLOSE,
/* bmaj */ -1
};
static drm_ioctl_desc_t gamma_ioctls[] = {
[DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { gamma_version, 0, 0 },
[DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0, 0 },
[DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0, 0 },
[DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_busid, 0, 1 },
[DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, 1, 1 },
[DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_block, 1, 1 },
[DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_unblock, 1, 1 },
[DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { gamma_control, 1, 1 },
[DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 },
[DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap, 1, 1 },
[DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { drm_addbufs, 1, 1 },
[DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { drm_markbufs, 1, 1 },
[DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { drm_infobufs, 1, 0 },
[DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { drm_mapbufs, 1, 0 },
[DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { drm_freebufs, 1, 0 },
[DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { drm_addctx, 1, 1 },
[DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { drm_rmctx, 1, 1 },
[DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { drm_modctx, 1, 1 },
[DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { drm_getctx, 1, 0 },
[DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { drm_switchctx, 1, 1 },
[DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { drm_newctx, 1, 1 },
[DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { drm_resctx, 1, 0 },
[DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, 1, 1 },
[DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, 1, 1 },
[DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { gamma_dma, 1, 0 },
[DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { gamma_lock, 1, 0 },
[DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { gamma_unlock, 1, 0 },
[DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_finish, 1, 0 },
};
#define GAMMA_IOCTL_COUNT DRM_ARRAY_SIZE(gamma_ioctls)
static int devices = 0;
static int gamma_setup(drm_device_t *dev)
{
int i;
device_busy(dev->device);
atomic_set(&dev->ioctl_count, 0);
atomic_set(&dev->vma_count, 0);
dev->buf_use = 0;
atomic_set(&dev->buf_alloc, 0);
drm_dma_setup(dev);
atomic_set(&dev->total_open, 0);
atomic_set(&dev->total_close, 0);
atomic_set(&dev->total_ioctl, 0);
atomic_set(&dev->total_irq, 0);
atomic_set(&dev->total_ctx, 0);
atomic_set(&dev->total_locks, 0);
atomic_set(&dev->total_unlocks, 0);
atomic_set(&dev->total_contends, 0);
atomic_set(&dev->total_sleeps, 0);
for (i = 0; i < DRM_HASH_SIZE; i++) {
dev->magiclist[i].head = NULL;
dev->magiclist[i].tail = NULL;
}
dev->maplist = NULL;
dev->map_count = 0;
dev->vmalist = NULL;
dev->lock.hw_lock = NULL;
dev->lock.lock_queue = 0;
dev->queue_count = 0;
dev->queue_reserved = 0;
dev->queue_slots = 0;
dev->queuelist = NULL;
dev->irq = 0;
dev->context_flag = 0;
dev->interrupt_flag = 0;
dev->dma_flag = 0;
dev->last_context = 0;
dev->last_switch = 0;
dev->last_checked = 0;
callout_init(&dev->timer);
dev->context_wait = 0;
#if DRM_DMA_HISTO
memset(&dev->histo, 0, sizeof(dev->histo));
#endif
timespecclear(&dev->ctx_start);
timespecclear(&dev->lck_start);
dev->buf_rp = dev->buf;
dev->buf_wp = dev->buf;
dev->buf_end = dev->buf + DRM_BSZ;
dev->buf_sigio = NULL;
DRM_DEBUG("\n");
/* The kernel's context could be created here, but is now created
in drm_dma_enqueue. This is more resource-efficient for
hardware that does not do DMA, but may mean that
drm_select_queue fails between the time the interrupt is
initialized and the time the queues are initialized. */
return 0;
}
#define __HAVE_COUNTERS 5
#define __HAVE_COUNTER6 _DRM_STAT_IRQ
#define __HAVE_COUNTER7 _DRM_STAT_DMA
#define __HAVE_COUNTER8 _DRM_STAT_PRIMARY
#define __HAVE_COUNTER9 _DRM_STAT_SPECIAL
#define __HAVE_COUNTER10 _DRM_STAT_MISSED
static int
gamma_takedown(drm_device_t *dev)
{
int i;
drm_magic_entry_t *pt, *next;
drm_map_t *map;
drm_vma_entry_t *vma, *vma_next;
#include "drm_auth.h"
#include "drm_bufs.h"
#include "drm_context.h"
#include "drm_dma.h"
#include "drm_drawable.h"
#include "drm_drv.h"
DRM_DEBUG("\n");
if (dev->irq) gamma_irq_uninstall(dev);
lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, curproc);
callout_stop(&dev->timer);
#include "drm_fops.h"
#include "drm_init.h"
#include "drm_ioctl.h"
#include "drm_lists.h"
#include "drm_lock.h"
#include "drm_memory.h"
#include "drm_vm.h"
#include "drm_sysctl.h"
if (dev->devname) {
drm_free(dev->devname, strlen(dev->devname)+1, DRM_MEM_DRIVER);
dev->devname = NULL;
}
if (dev->unique) {
drm_free(dev->unique, strlen(dev->unique)+1, DRM_MEM_DRIVER);
dev->unique = NULL;
dev->unique_len = 0;
}
/* Clear pid list */
for (i = 0; i < DRM_HASH_SIZE; i++) {
for (pt = dev->magiclist[i].head; pt; pt = next) {
next = pt->next;
drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC);
}
dev->magiclist[i].head = dev->magiclist[i].tail = NULL;
}
/* Clear vma list (only built for debugging) */
if (dev->vmalist) {
for (vma = dev->vmalist; vma; vma = vma_next) {
vma_next = vma->next;
drm_free(vma, sizeof(*vma), DRM_MEM_VMAS);
}
dev->vmalist = NULL;
}
/* Clear map area and mtrr information */
if (dev->maplist) {
for (i = 0; i < dev->map_count; i++) {
map = dev->maplist[i];
switch (map->type) {
case _DRM_REGISTERS:
case _DRM_FRAME_BUFFER:
#ifdef CONFIG_MTRR
if (map->mtrr >= 0) {
int retcode;
retcode = mtrr_del(map->mtrr,
map->offset,
map->size);
DRM_DEBUG("mtrr_del = %d\n", retcode);
}
#endif
drm_ioremapfree(map->handle, map->size);
break;
case _DRM_SHM:
drm_free_pages((unsigned long)map->handle,
drm_order(map->size)
- PAGE_SHIFT,
DRM_MEM_SAREA);
break;
case _DRM_AGP:
/* Do nothing here, because this is all
handled in the AGP/GART driver. */
break;
}
drm_free(map, sizeof(*map), DRM_MEM_MAPS);
}
drm_free(dev->maplist,
dev->map_count * sizeof(*dev->maplist),
DRM_MEM_MAPS);
dev->maplist = NULL;
dev->map_count = 0;
}
if (dev->queuelist) {
for (i = 0; i < dev->queue_count; i++) {
drm_waitlist_destroy(&dev->queuelist[i]->waitlist);
if (dev->queuelist[i]) {
drm_free(dev->queuelist[i],
sizeof(*dev->queuelist[0]),
DRM_MEM_QUEUES);
dev->queuelist[i] = NULL;
}
}
drm_free(dev->queuelist,
dev->queue_slots * sizeof(*dev->queuelist),
DRM_MEM_QUEUES);
dev->queuelist = NULL;
}
drm_dma_takedown(dev);
dev->queue_count = 0;
if (dev->lock.hw_lock) {
dev->lock.hw_lock = NULL; /* SHM removed */
dev->lock.pid = 0;
wakeup(&dev->lock.lock_queue);
}
lockmgr(&dev->dev_lock, LK_RELEASE, 0, curproc);
device_unbusy(dev->device);
return 0;
}
int gamma_found(void)
{
return devices;
}
static int
gamma_find_devices(device_t dev)
{
device_t *children, child;
int nchildren, i;
int count = 0;
if (device_get_children(device_get_parent(dev), &children, &nchildren))
return 0;
for (i = 0; i < nchildren; i++) {
child = children[i];
if (pci_get_slot(dev) == pci_get_slot(child) &&
pci_get_vendor(child) == PCI_VENDOR_ID_3DLABS &&
pci_get_device(child) == PCI_DEVICE_ID_3DLABS_MX) {
count++;
}
}
free(children, M_TEMP);
/* we don't currently support more than two */
if (count > 2) count = 2;
return count;
}
/* gamma_init is called via gamma_attach at module load time */
static int
gamma_init(device_t nbdev)
{
drm_device_t *dev = device_get_softc(nbdev);
DRM_DEBUG("\n");
memset((void *)dev, 0, sizeof(*dev));
simple_lock_init(&dev->count_lock);
lockinit(&dev->dev_lock, PZERO, "drmlk", 0, 0);
#if 0 /* XXX use getenv I guess */
drm_parse_options(gamma);
#endif
devices = gamma_find_devices(nbdev);
if (devices == 0) return -1;
#if 0
if ((retcode = misc_register(&gamma_misc))) {
DRM_ERROR("Cannot register \"%s\"\n", GAMMA_NAME);
return retcode;
}
#endif
dev->device = nbdev;
dev->devnode = make_dev(&gamma_cdevsw,
device_get_unit(nbdev),
DRM_DEV_UID,
DRM_DEV_GID,
DRM_DEV_MODE,
GAMMA_NAME);
dev->name = GAMMA_NAME;
drm_mem_init();
drm_sysctl_init(dev);
DRM_INFO("Initialized %s %d.%d.%d %s on minor %d with %d MX devices\n",
GAMMA_NAME,
GAMMA_MAJOR,
GAMMA_MINOR,
GAMMA_PATCHLEVEL,
GAMMA_DATE,
device_get_unit(nbdev),
devices);
return 0;
}
/* gamma_cleanup is called via gamma_detach at module unload time. */
static void
gamma_cleanup(device_t nbdev)
{
drm_device_t *dev = device_get_softc(nbdev);
DRM_DEBUG("\n");
drm_sysctl_cleanup(dev);
#if 0
if (misc_deregister(&gamma_misc)) {
DRM_ERROR("Cannot unload module\n");
} else {
DRM_INFO("Module unloaded\n");
}
#endif
device_busy(dev->device);
gamma_takedown(dev);
}
SYSUNINIT(gamma_cleanup, SI_SUB_DRIVERS, SI_ORDER_ANY, gamma_cleanup, 0);
#if 0
int gamma_version(struct inode *inode, struct file *filp, unsigned int cmd,
unsigned long arg)
{
drm_version_t version;
int len;
copy_from_user_ret(&version,
(drm_version_t *)arg,
sizeof(version),
-EFAULT);
#define DRM_COPY(name,value) \
len = strlen(value); \
if (len > name##_len) len = name##_len; \
name##_len = strlen(value); \
if (len && name) { \
copy_to_user_ret(name, value, len, -EFAULT); \
}
version.version_major = GAMMA_MAJOR;
version.version_minor = GAMMA_MINOR;
version.version_patchlevel = GAMMA_PATCHLEVEL;
DRM_COPY(version.name, GAMMA_NAME);
DRM_COPY(version.date, GAMMA_DATE);
DRM_COPY(version.desc, GAMMA_DESC);
copy_to_user_ret((drm_version_t *)arg,
&version,
sizeof(version),
-EFAULT);
return 0;
}
#endif
int
gamma_open(dev_t kdev, int flags, int fmt, struct proc *p)
{
drm_device_t *dev = GAMMA_SOFTC(minor(kdev));
int retcode = 0;
DRM_DEBUG("open_count = %d\n", dev->open_count);
device_busy(dev->device);
if (!(retcode = drm_open_helper(kdev, flags, fmt, p, dev))) {
atomic_inc(&dev->total_open);
simple_lock(&dev->count_lock);
if (!dev->open_count++) {
simple_unlock(&dev->count_lock);
retcode = gamma_setup(dev);
}
simple_unlock(&dev->count_lock);
}
device_unbusy(dev->device);
return retcode;
}
int
gamma_close(dev_t kdev, int flags, int fmt, struct proc *p)
{
drm_device_t *dev = kdev->si_drv1;
int retcode = 0;
DRM_DEBUG("open_count = %d\n", dev->open_count);
if (!(retcode = drm_close(kdev, flags, fmt, p))) {
atomic_inc(&dev->total_close);
simple_lock(&dev->count_lock);
if (!--dev->open_count) {
if (atomic_read(&dev->ioctl_count) || dev->blocked) {
DRM_ERROR("Device busy: %d %d\n",
atomic_read(&dev->ioctl_count),
dev->blocked);
simple_unlock(&dev->count_lock);
return EBUSY;
}
simple_unlock(&dev->count_lock);
return gamma_takedown(dev);
}
simple_unlock(&dev->count_lock);
}
return retcode;
}
/* drm_ioctl is called whenever a process performs an ioctl on /dev/drm. */
int
gamma_ioctl(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p)
{
int nr = DRM_IOCTL_NR(cmd);
drm_device_t *dev = kdev->si_drv1;
drm_file_t *priv;
int retcode = 0;
drm_ioctl_desc_t *ioctl;
d_ioctl_t *func;
priv = drm_find_file_by_proc(dev, p);
if (!priv) {
DRM_DEBUG("can't find authenticator\n");
return EINVAL;
}
atomic_inc(&dev->ioctl_count);
atomic_inc(&dev->total_ioctl);
++priv->ioctl_count;
DRM_DEBUG("pid = %d, cmd = 0x%02lx, nr = 0x%02x, auth = %d\n",
p->p_pid, cmd, nr, priv->authenticated);
switch (cmd) {
case FIOSETOWN:
return fsetown(*(int *)data, &dev->buf_sigio);
case FIOGETOWN:
*(int *) data = fgetown(dev->buf_sigio);
return 0;
}
if (nr >= GAMMA_IOCTL_COUNT) {
retcode = EINVAL;
} else {
ioctl = &gamma_ioctls[nr];
func = ioctl->func;
if (!func) {
DRM_DEBUG("no function\n");
retcode = EINVAL;
} else if ((ioctl->root_only && suser(p))
|| (ioctl->auth_needed && !priv->authenticated)) {
retcode = EACCES;
} else {
retcode = (func)(kdev, cmd, data, flags, p);
}
}
atomic_dec(&dev->ioctl_count);
return retcode;
}
int gamma_unlock(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p)
{
drm_device_t *dev = kdev->si_drv1;
drm_lock_t *lockp = (drm_lock_t *) data;
if (lockp->context == DRM_KERNEL_CONTEXT) {
DRM_ERROR("Process %d using kernel context %d\n",
p->p_pid, lockp->context);
return -EINVAL;
}
DRM_DEBUG("%d frees lock (%d holds)\n",
lockp->context,
_DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
atomic_inc(&dev->total_unlocks);
if (_DRM_LOCK_IS_CONT(dev->lock.hw_lock->lock))
atomic_inc(&dev->total_contends);
drm_lock_transfer(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT);
gamma_dma_schedule(dev, 1);
if (!dev->context_flag) {
if (drm_lock_free(dev, &dev->lock.hw_lock->lock,
DRM_KERNEL_CONTEXT)) {
DRM_ERROR("\n");
}
}
#if DRM_DMA_HISTOGRAM
{
struct timespec ts;
getnanotime(&ts);
timespecsub(&ts, &dev->lck_start);
atomic_inc(&dev->histo.lhld[drm_histogram_slot(&ts)]);
}
#endif
return 0;
}
DRIVER_MODULE(gamma, pci, gamma_driver, gamma_devclass, 0, 0);

86
bsd/gamma/gamma_drv.h
View File

@ -1,4 +1,4 @@
/* gamma_drv.h -- Private header for 3dlabs GMX 2000 driver -*- c -*-
/* gamma_drv.h -- Private header for 3dlabs GMX 2000 driver -*- linux-c -*-
* Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
@ -11,11 +11,11 @@
* 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
@ -23,26 +23,82 @@
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*
* Authors:
* Rickard E. (Rik) Faith <faith@valinux.com>
*
*/
#ifndef _GAMMA_DRV_H_
#define _GAMMA_DRV_H_
/* gamma_drv.c */
extern d_open_t gamma_open;
extern d_close_t gamma_close;
extern d_ioctl_t gamma_ioctl;
extern d_ioctl_t gamma_version;
extern d_ioctl_t gamma_dma;
extern d_ioctl_t gamma_lock;
extern d_ioctl_t gamma_unlock;
extern d_ioctl_t gamma_control;
typedef struct drm_gamma_private {
drm_map_t *buffers;
drm_map_t *mmio0;
drm_map_t *mmio1;
drm_map_t *mmio2;
drm_map_t *mmio3;
} drm_gamma_private_t;
#define LOCK_TEST_WITH_RETURN( dev ) \
do { \
if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || \
dev->lock.pid != DRM_OS_CURRENTPID ) { \
DRM_ERROR( "%s called without lock held\n", \
__FUNCTION__ ); \
DRM_OS_RETURN( EINVAL ); \
} \
} while (0)
extern void gamma_dma_ready(drm_device_t *dev);
extern void gamma_dma_quiescent_single(drm_device_t *dev);
extern void gamma_dma_quiescent_dual(drm_device_t *dev);
/* gamma_dma.c */
extern int gamma_dma_schedule(drm_device_t *dev, int locked);
extern int gamma_irq_install(drm_device_t *dev, int irq);
extern int gamma_irq_uninstall(drm_device_t *dev);
extern int gamma_dma( DRM_OS_IOCTL );
extern int gamma_find_devices(void);
extern int gamma_found(void);
#define GAMMA_OFF(reg) \
((reg < 0x1000) \
? reg \
: ((reg < 0x10000) \
? (reg - 0x1000) \
: ((reg < 0x11000) \
? (reg - 0x10000) \
: (reg - 0x11000))))
#define GAMMA_BASE(reg) ((unsigned long) \
((reg < 0x1000) ? dev_priv->mmio0->handle : \
((reg < 0x10000) ? dev_priv->mmio1->handle : \
((reg < 0x11000) ? dev_priv->mmio2->handle : \
dev_priv->mmio3->handle))))
#define GAMMA_ADDR(reg) (GAMMA_BASE(reg) + GAMMA_OFF(reg))
#define GAMMA_DEREF(reg) *(__volatile__ int *)GAMMA_ADDR(reg)
#define GAMMA_READ(reg) GAMMA_DEREF(reg)
#define GAMMA_WRITE(reg,val) do { GAMMA_DEREF(reg) = val; } while (0)
#define GAMMA_BROADCASTMASK 0x9378
#define GAMMA_COMMANDINTENABLE 0x0c48
#define GAMMA_DMAADDRESS 0x0028
#define GAMMA_DMACOUNT 0x0030
#define GAMMA_FILTERMODE 0x8c00
#define GAMMA_GCOMMANDINTFLAGS 0x0c50
#define GAMMA_GCOMMANDMODE 0x0c40
#define GAMMA_GCOMMANDSTATUS 0x0c60
#define GAMMA_GDELAYTIMER 0x0c38
#define GAMMA_GDMACONTROL 0x0060
#define GAMMA_GINTENABLE 0x0808
#define GAMMA_GINTFLAGS 0x0810
#define GAMMA_INFIFOSPACE 0x0018
#define GAMMA_OUTFIFOWORDS 0x0020
#define GAMMA_OUTPUTFIFO 0x2000
#define GAMMA_SYNC 0x8c40
#define GAMMA_SYNC_TAG 0x0188
#endif

25
bsd/i810/Makefile Normal file
View File

@ -0,0 +1,25 @@
# $FreeBSD$
KMOD= i810
NOMAN= YES
SRCS= i810_drv.c i810_dma.c
SRCS+= device_if.h bus_if.h pci_if.h opt_drm_linux.h
CFLAGS+= ${DEBUG_FLAGS} -I. -I..
@:
ln -sf /sys @
machine:
ln -sf /sys/i386/include machine
.if ${MACHINE_ARCH} == "i386"
# This line enables linux ioctl handling
# If you want support for this uncomment this line
#I810_OPTS= "\#define DRM_LINUX" 1
.endif
opt_drm_linux.h:
touch opt_drm_linux.h
echo $(I810_OPTS) >> opt_drm_linux.h
.include <bsd.kmod.mk>

21
bsd/mga/Makefile
View File

@ -1,11 +1,10 @@
# $FreeBSD$
KMOD = mga
SRCS = mga_drv.c mga_context.c mga_state.c mga_bufs.c mga_dma.c
SRCS += device_if.h bus_if.h pci_if.h
CFLAGS += ${DEBUG_FLAGS} -I..
KERN = /usr/src/sys
KMODDEPS = drm
KMOD= mga
NOMAN= YES
SRCS= mga_drv.c mga_state.c mga_warp.c mga_dma.c
SRCS+= device_if.h bus_if.h pci_if.h opt_drm_linux.h
CFLAGS+= ${DEBUG_FLAGS} -I. -I..
@:
ln -sf /sys @
@ -13,4 +12,14 @@ KMODDEPS = drm
machine:
ln -sf /sys/i386/include machine
.if ${MACHINE_ARCH} == "i386"
# This line enables linux ioctl handling
# If you want support for this uncomment this line
#MGA_OPTS= "\#define DRM_LINUX" 1
.endif
opt_drm_linux.h:
touch opt_drm_linux.h
echo $(MGA_OPTS) >> opt_drm_linux.h
.include <bsd.kmod.mk>

25
bsd/r128/Makefile Normal file
View File

@ -0,0 +1,25 @@
# $FreeBSD$
KMOD = r128
NOMAN= YES
SRCS = r128_cce.c r128_drv.c r128_state.c
SRCS += device_if.h bus_if.h pci_if.h opt_drm_linux.h
CFLAGS += ${DEBUG_FLAGS} -I. -I..
@:
ln -sf /sys @
machine:
ln -sf /sys/i386/include machine
.if ${MACHINE_ARCH} == "i386"
# This line enables linux ioctl handling
# If you want support for this uncomment this line
#R128_OPTS= "\#define DRM_LINUX" 1
.endif
opt_drm_linux.h:
touch opt_drm_linux.h
echo $(R128_OPTS) >> opt_drm_linux.h
.include <bsd.kmod.mk>

25
bsd/radeon/Makefile Normal file
View File

@ -0,0 +1,25 @@
# $FreeBSD$
KMOD = radeon
NOMAN= YES
SRCS = radeon_cp.c radeon_drv.c radeon_state.c
SRCS += device_if.h bus_if.h pci_if.h opt_drm_linux.h
CFLAGS += ${DEBUG_FLAGS} -I. -I..
@:
ln -sf /sys @
machine:
ln -sf /sys/i386/include machine
.if ${MACHINE_ARCH} == "i386"
# This line enables linux ioctl handling
# If you want support for this uncomment this line
#RADEON_OPTS= "\#define DRM_LINUX" 1
.endif
opt_drm_linux.h:
touch opt_drm_linux.h
echo $(RADEON_OPTS) >> opt_drm_linux.h
.include <bsd.kmod.mk>

25
bsd/sis/Makefile Normal file
View File

@ -0,0 +1,25 @@
# $FreeBSD$
KMOD= sis
NOMAN= YES
SRCS= sis_drv.c sis_ds.c sis_mm.c
SRCS+= device_if.h bus_if.h pci_if.h opt_drm_linux.h
CFLAGS+= ${DEBUG_FLAGS} -I. -I..
@:
ln -sf /sys @
machine:
ln -sf /sys/i386/include machine
.if ${MACHINE_ARCH} == "i386"
# This line enables linux ioctl handling
# If you want support for this uncomment this line
#SIS_OPTS= "\#define DRM_LINUX" 1
.endif
opt_drm_linux.h:
touch opt_drm_linux.h
echo $(SIS_OPTS) >> opt_drm_linux.h
.include <bsd.kmod.mk>

3
linux-core/Config.in
View File

@ -1,5 +1,5 @@
#
# drm device configuration
# Drm device configuration
#
# This driver provides support for the
# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
@ -12,5 +12,6 @@ if [ "$CONFIG_DRM" != "n" ]; then
tristate ' ATI Rage 128' CONFIG_DRM_R128
dep_tristate ' ATI Radeon' CONFIG_DRM_RADEON $CONFIG_AGP
dep_tristate ' Intel I810' CONFIG_DRM_I810 $CONFIG_AGP
dep_tristate ' Intel 830M' CONFIG_DRM_I830 $CONFIG_AGP
dep_tristate ' Matrox g200/g400' CONFIG_DRM_MGA $CONFIG_AGP
fi

3
linux/Config.in
View File

@ -1,5 +1,5 @@
#
# drm device configuration
# Drm device configuration
#
# This driver provides support for the
# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
@ -12,5 +12,6 @@ if [ "$CONFIG_DRM" != "n" ]; then
tristate ' ATI Rage 128' CONFIG_DRM_R128
dep_tristate ' ATI Radeon' CONFIG_DRM_RADEON $CONFIG_AGP
dep_tristate ' Intel I810' CONFIG_DRM_I810 $CONFIG_AGP
dep_tristate ' Intel 830M' CONFIG_DRM_I830 $CONFIG_AGP
dep_tristate ' Matrox g200/g400' CONFIG_DRM_MGA $CONFIG_AGP
fi