mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-24 11:29:10 +00:00
90e545e597
- Add support for Intel 965 Express chipsets. - Add support for R200 vertex programs, along with minor bugfixes. - Add support for vblank synchronization to pipe B of Intel hardware (laptop screens).
958 lines
25 KiB
C
958 lines
25 KiB
C
/* drm_drv.h -- Generic driver template -*- linux-c -*-
|
|
* Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com
|
|
*/
|
|
/*-
|
|
* Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
|
|
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
|
|
* All Rights Reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the next
|
|
* paragraph) shall be included in all copies or substantial portions of the
|
|
* Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
|
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
|
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
* OTHER DEALINGS IN THE SOFTWARE.
|
|
*
|
|
* Authors:
|
|
* Rickard E. (Rik) Faith <faith@valinux.com>
|
|
* Gareth Hughes <gareth@valinux.com>
|
|
*
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include "dev/drm/drmP.h"
|
|
#include "dev/drm/drm.h"
|
|
#include "dev/drm/drm_sarea.h"
|
|
|
|
#ifdef DRM_DEBUG_DEFAULT_ON
|
|
int drm_debug_flag = 1;
|
|
#else
|
|
int drm_debug_flag = 0;
|
|
#endif
|
|
|
|
static int drm_load(drm_device_t *dev);
|
|
static void drm_unload(drm_device_t *dev);
|
|
static drm_pci_id_list_t *drm_find_description(int vendor, int device,
|
|
drm_pci_id_list_t *idlist);
|
|
|
|
#ifdef __FreeBSD__
|
|
#define DRIVER_SOFTC(unit) \
|
|
((drm_device_t *)devclass_get_softc(drm_devclass, unit))
|
|
|
|
MODULE_VERSION(drm, 1);
|
|
MODULE_DEPEND(drm, agp, 1, 1, 1);
|
|
MODULE_DEPEND(drm, pci, 1, 1, 1);
|
|
#if __FreeBSD_version > 502127
|
|
MODULE_DEPEND(drm, mem, 1, 1, 1);
|
|
#endif
|
|
#endif /* __FreeBSD__ */
|
|
|
|
#if defined(__NetBSD__) || defined(__OpenBSD__)
|
|
#define DRIVER_SOFTC(unit) \
|
|
((drm_device_t *)device_lookup(&drm_cd, unit))
|
|
#endif /* __NetBSD__ || __OpenBSD__ */
|
|
|
|
static drm_ioctl_desc_t drm_ioctls[256] = {
|
|
[DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { drm_version, 0 },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0 },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0 },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_by_busid, DRM_MASTER|DRM_ROOT_ONLY},
|
|
[DRM_IOCTL_NR(DRM_IOCTL_GET_MAP)] = { drm_getmap, 0 },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT)] = { drm_getclient, 0 },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_GET_STATS)] = { drm_getstats, 0 },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_SET_VERSION)] = { drm_setversion, DRM_MASTER|DRM_ROOT_ONLY },
|
|
|
|
[DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
|
|
|
|
[DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_RM_MAP)] = { drm_rmmap_ioctl, DRM_AUTH },
|
|
|
|
[DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = { drm_setsareactx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = { drm_getsareactx, DRM_AUTH },
|
|
|
|
[DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { drm_addctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { drm_rmctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { drm_modctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { drm_getctx, DRM_AUTH },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { drm_switchctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { drm_newctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { drm_resctx, DRM_AUTH },
|
|
|
|
[DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
|
|
|
|
[DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { drm_lock, DRM_AUTH },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { drm_unlock, DRM_AUTH },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_noop, DRM_AUTH },
|
|
|
|
[DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { drm_addbufs_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { drm_markbufs, DRM_AUTH|DRM_MASTER },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { drm_infobufs, DRM_AUTH },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { drm_mapbufs, DRM_AUTH },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { drm_freebufs, DRM_AUTH },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { drm_dma, DRM_AUTH },
|
|
|
|
[DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { drm_control, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
|
|
|
|
[DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { drm_agp_info_ioctl, DRM_AUTH },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { drm_agp_alloc_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { drm_agp_free_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { drm_agp_bind_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { drm_agp_unbind_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
|
|
|
|
[DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)] = { drm_sg_alloc, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
|
|
[DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = { drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
|
|
|
|
[DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = { drm_wait_vblank, 0 },
|
|
};
|
|
|
|
#ifdef __FreeBSD__
|
|
static struct cdevsw drm_cdevsw = {
|
|
#if __FreeBSD_version >= 502103
|
|
.d_version = D_VERSION,
|
|
#endif
|
|
.d_open = drm_open,
|
|
.d_close = drm_close,
|
|
.d_read = drm_read,
|
|
.d_ioctl = drm_ioctl,
|
|
.d_poll = drm_poll,
|
|
.d_mmap = drm_mmap,
|
|
.d_name = "drm",
|
|
#if __FreeBSD_version >= 502103
|
|
.d_flags = D_TRACKCLOSE | D_NEEDGIANT,
|
|
#else
|
|
.d_maj = 145,
|
|
.d_flags = D_TRACKCLOSE,
|
|
#endif
|
|
#if __FreeBSD_version < 500000
|
|
.d_bmaj = -1
|
|
#endif
|
|
};
|
|
|
|
int drm_probe(device_t dev, drm_pci_id_list_t *idlist)
|
|
{
|
|
drm_pci_id_list_t *id_entry;
|
|
int vendor, device;
|
|
#if __FreeBSD_version < 700010
|
|
device_t realdev;
|
|
|
|
if (!strcmp(device_get_name(dev), "drmsub"))
|
|
realdev = device_get_parent(dev);
|
|
else
|
|
realdev = dev;
|
|
vendor = pci_get_vendor(realdev);
|
|
device = pci_get_device(realdev);
|
|
#else
|
|
vendor = pci_get_vendor(dev);
|
|
device = pci_get_device(dev);
|
|
#endif
|
|
|
|
id_entry = drm_find_description(vendor, device, idlist);
|
|
if (id_entry != NULL) {
|
|
device_set_desc(dev, id_entry->name);
|
|
return 0;
|
|
}
|
|
|
|
return ENXIO;
|
|
}
|
|
|
|
int drm_attach(device_t nbdev, drm_pci_id_list_t *idlist)
|
|
{
|
|
drm_device_t *dev;
|
|
drm_pci_id_list_t *id_entry;
|
|
int unit;
|
|
|
|
unit = device_get_unit(nbdev);
|
|
dev = device_get_softc(nbdev);
|
|
|
|
#if __FreeBSD_version < 700010
|
|
if (!strcmp(device_get_name(nbdev), "drmsub"))
|
|
dev->device = device_get_parent(nbdev);
|
|
else
|
|
dev->device = nbdev;
|
|
#else
|
|
dev->device = nbdev;
|
|
#endif
|
|
dev->devnode = make_dev(&drm_cdevsw,
|
|
unit,
|
|
DRM_DEV_UID,
|
|
DRM_DEV_GID,
|
|
DRM_DEV_MODE,
|
|
"dri/card%d", unit);
|
|
#if __FreeBSD_version >= 500000
|
|
mtx_init(&dev->dev_lock, "drm device", NULL, MTX_DEF);
|
|
#endif
|
|
|
|
id_entry = drm_find_description(pci_get_vendor(dev->device),
|
|
pci_get_device(dev->device), idlist);
|
|
dev->id_entry = id_entry;
|
|
|
|
return drm_load(dev);
|
|
}
|
|
|
|
int drm_detach(device_t dev)
|
|
{
|
|
drm_unload(device_get_softc(dev));
|
|
return 0;
|
|
}
|
|
|
|
#ifndef DRM_DEV_NAME
|
|
#define DRM_DEV_NAME "drm"
|
|
#endif
|
|
|
|
devclass_t drm_devclass;
|
|
|
|
#elif defined(__NetBSD__) || defined(__OpenBSD__)
|
|
|
|
static struct cdevsw drm_cdevsw = {
|
|
drm_open,
|
|
drm_close,
|
|
drm_read,
|
|
nowrite,
|
|
drm_ioctl,
|
|
nostop,
|
|
notty,
|
|
drm_poll,
|
|
drm_mmap,
|
|
nokqfilter,
|
|
D_TTY
|
|
};
|
|
|
|
int drm_refcnt = 0;
|
|
|
|
#if defined(__NetBSD__) && __NetBSD_Version__ >= 106080000
|
|
MOD_DEV("drm", DRIVER_NAME, NULL, -1, &drm_cdevsw, CDEV_MAJOR);
|
|
#else
|
|
MOD_DEV("drm", LM_DT_CHAR, CDEV_MAJOR, &drm_cdevsw);
|
|
#endif
|
|
|
|
int drm_lkmentry(struct lkm_table *lkmtp, int cmd, int ver);
|
|
static int drm_lkmhandle(struct lkm_table *lkmtp, int cmd);
|
|
|
|
int drm_modprobe(void);
|
|
int drm_probe(struct pci_attach_args *pa);
|
|
void drm_attach(struct pci_attach_args *pa, dev_t kdev);
|
|
|
|
int drm_lkmentry(struct lkm_table *lkmtp, int cmd, int ver) {
|
|
DISPATCH(lkmtp, cmd, ver, drm_lkmhandle, drm_lkmhandle, drm_lkmhandle);
|
|
}
|
|
|
|
static int drm_lkmhandle(struct lkm_table *lkmtp, int cmd)
|
|
{
|
|
int error = 0;
|
|
|
|
switch(cmd) {
|
|
case LKM_E_LOAD:
|
|
if (lkmexists(lkmtp))
|
|
return EEXIST;
|
|
|
|
if(drm_modprobe())
|
|
return 0;
|
|
|
|
return 1;
|
|
|
|
case LKM_E_UNLOAD:
|
|
if (drm_refcnt > 0)
|
|
return (EBUSY);
|
|
break;
|
|
case LKM_E_STAT:
|
|
break;
|
|
|
|
default:
|
|
error = EIO;
|
|
break;
|
|
}
|
|
|
|
return error;
|
|
}
|
|
|
|
int drm_modprobe(void)
|
|
{
|
|
struct pci_attach_args pa;
|
|
int error;
|
|
|
|
error = pci_find_device(&pa, drm_probe, idlist);
|
|
if (error != 0)
|
|
drm_attach(&pa, 0);
|
|
|
|
return error;
|
|
}
|
|
|
|
int drm_probe(struct pci_attach_args *pa, drm_pci_id_list_t idlist)
|
|
{
|
|
const char *desc;
|
|
drm_pci_id_list_t *id_entry;
|
|
|
|
id_entry = drm_find_description(PCI_VENDOR(pa->pa_id),
|
|
PCI_PRODUCT(pa->pa_id), idlist);
|
|
if (id_entry != NULL) {
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void drm_attach(struct pci_attach_args *pa, dev_t kdev,
|
|
drm_pci_id_list_t *idlist)
|
|
{
|
|
int i;
|
|
drm_device_t *dev;
|
|
drm_pci_id_list_t *id_entry;
|
|
|
|
config_makeroom(kdev, &drm_cd);
|
|
drm_cd.cd_devs[(kdev)] = malloc(sizeof(drm_device_t), M_DRM, M_WAITOK);
|
|
dev = DRIVER_SOFTC(kdev);
|
|
|
|
memset(dev, 0, sizeof(drm_device_t));
|
|
memcpy(&dev->pa, pa, sizeof(dev->pa));
|
|
|
|
dev->irq = pa->pa_intrline;
|
|
dev->pci_domain = 0;
|
|
dev->pci_bus = pa->pa_bus;
|
|
dev->pci_slot = pa->pa_device;
|
|
dev->pci_func = pa->pa_function;
|
|
dev->dma_tag = pa->pa_dmat;
|
|
|
|
id_entry = drm_find_description(PCI_VENDOR(pa->pa_id),
|
|
PCI_PRODUCT(pa->pa_id), idlist);
|
|
dev->driver.pci_id_entry = id_entry;
|
|
|
|
DRM_INFO("%s", id_entry->name);
|
|
drm_load(dev);
|
|
}
|
|
|
|
int drm_detach(struct device *self, int flags)
|
|
{
|
|
drm_unload((drm_device_t *)self);
|
|
return 0;
|
|
}
|
|
|
|
int drm_activate(struct device *self, enum devact act)
|
|
{
|
|
switch (act) {
|
|
case DVACT_ACTIVATE:
|
|
return (EOPNOTSUPP);
|
|
break;
|
|
|
|
case DVACT_DEACTIVATE:
|
|
/* FIXME */
|
|
break;
|
|
}
|
|
return (0);
|
|
}
|
|
#endif /* __NetBSD__ || __OpenBSD__ */
|
|
|
|
drm_pci_id_list_t *drm_find_description(int vendor, int device,
|
|
drm_pci_id_list_t *idlist)
|
|
{
|
|
int i = 0;
|
|
|
|
for (i = 0; idlist[i].vendor != 0; i++) {
|
|
if ((idlist[i].vendor == vendor) &&
|
|
(idlist[i].device == device)) {
|
|
return &idlist[i];
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static int drm_firstopen(drm_device_t *dev)
|
|
{
|
|
drm_local_map_t *map;
|
|
int i;
|
|
|
|
DRM_SPINLOCK_ASSERT(&dev->dev_lock);
|
|
|
|
/* prebuild the SAREA */
|
|
i = drm_addmap(dev, 0, SAREA_MAX, _DRM_SHM,
|
|
_DRM_CONTAINS_LOCK, &map);
|
|
if (i != 0)
|
|
return i;
|
|
|
|
if (dev->driver.firstopen)
|
|
dev->driver.firstopen(dev);
|
|
|
|
dev->buf_use = 0;
|
|
|
|
if (dev->driver.use_dma) {
|
|
i = drm_dma_setup(dev);
|
|
if (i != 0)
|
|
return i;
|
|
}
|
|
|
|
dev->counters = 6;
|
|
dev->types[0] = _DRM_STAT_LOCK;
|
|
dev->types[1] = _DRM_STAT_OPENS;
|
|
dev->types[2] = _DRM_STAT_CLOSES;
|
|
dev->types[3] = _DRM_STAT_IOCTLS;
|
|
dev->types[4] = _DRM_STAT_LOCKS;
|
|
dev->types[5] = _DRM_STAT_UNLOCKS;
|
|
|
|
for ( i = 0 ; i < DRM_ARRAY_SIZE(dev->counts) ; i++ )
|
|
atomic_set( &dev->counts[i], 0 );
|
|
|
|
for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) {
|
|
dev->magiclist[i].head = NULL;
|
|
dev->magiclist[i].tail = NULL;
|
|
}
|
|
|
|
dev->lock.lock_queue = 0;
|
|
dev->irq_enabled = 0;
|
|
dev->context_flag = 0;
|
|
dev->last_context = 0;
|
|
dev->if_version = 0;
|
|
|
|
#ifdef __FreeBSD__
|
|
dev->buf_sigio = NULL;
|
|
#elif defined(__NetBSD__) || defined(__OpenBSD__)
|
|
dev->buf_pgid = 0;
|
|
#endif
|
|
|
|
DRM_DEBUG( "\n" );
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int drm_lastclose(drm_device_t *dev)
|
|
{
|
|
drm_magic_entry_t *pt, *next;
|
|
drm_local_map_t *map, *mapsave;
|
|
int i;
|
|
|
|
DRM_SPINLOCK_ASSERT(&dev->dev_lock);
|
|
|
|
DRM_DEBUG( "\n" );
|
|
|
|
if (dev->driver.lastclose != NULL)
|
|
dev->driver.lastclose(dev);
|
|
|
|
if (dev->irq_enabled)
|
|
drm_irq_uninstall(dev);
|
|
|
|
if ( dev->unique ) {
|
|
free(dev->unique, M_DRM);
|
|
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;
|
|
free(pt, M_DRM);
|
|
}
|
|
dev->magiclist[i].head = dev->magiclist[i].tail = NULL;
|
|
}
|
|
|
|
/* Clear AGP information */
|
|
if ( dev->agp ) {
|
|
drm_agp_mem_t *entry;
|
|
drm_agp_mem_t *nexte;
|
|
|
|
/* Remove AGP resources, but leave dev->agp intact until
|
|
* drm_unload is called.
|
|
*/
|
|
for ( entry = dev->agp->memory ; entry ; entry = nexte ) {
|
|
nexte = entry->next;
|
|
if ( entry->bound )
|
|
drm_agp_unbind_memory(entry->handle);
|
|
drm_agp_free_memory(entry->handle);
|
|
free(entry, M_DRM);
|
|
}
|
|
dev->agp->memory = NULL;
|
|
|
|
if (dev->agp->acquired)
|
|
drm_agp_release(dev);
|
|
|
|
dev->agp->acquired = 0;
|
|
dev->agp->enabled = 0;
|
|
}
|
|
if (dev->sg != NULL) {
|
|
drm_sg_cleanup(dev->sg);
|
|
dev->sg = NULL;
|
|
}
|
|
|
|
TAILQ_FOREACH_SAFE(map, &dev->maplist, link, mapsave) {
|
|
drm_rmmap(dev, map);
|
|
}
|
|
|
|
|
|
drm_dma_takedown(dev);
|
|
if ( dev->lock.hw_lock ) {
|
|
dev->lock.hw_lock = NULL; /* SHM removed */
|
|
dev->lock.filp = NULL;
|
|
DRM_WAKEUP_INT((void *)&dev->lock.lock_queue);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int drm_load(drm_device_t *dev)
|
|
{
|
|
int retcode;
|
|
|
|
DRM_DEBUG( "\n" );
|
|
|
|
dev->irq = pci_get_irq(dev->device);
|
|
/* XXX Fix domain number (alpha hoses) */
|
|
dev->pci_domain = 0;
|
|
dev->pci_bus = pci_get_bus(dev->device);
|
|
dev->pci_slot = pci_get_slot(dev->device);
|
|
dev->pci_func = pci_get_function(dev->device);
|
|
|
|
dev->pci_vendor = pci_get_vendor(dev->device);
|
|
dev->pci_device = pci_get_device(dev->device);
|
|
|
|
TAILQ_INIT(&dev->maplist);
|
|
|
|
drm_mem_init();
|
|
#ifdef __FreeBSD__
|
|
drm_sysctl_init(dev);
|
|
#endif
|
|
TAILQ_INIT(&dev->files);
|
|
|
|
if (dev->driver.load != NULL) {
|
|
DRM_LOCK();
|
|
retcode = dev->driver.load(dev, dev->id_entry->driver_private);
|
|
DRM_UNLOCK();
|
|
if (retcode != 0)
|
|
goto error;
|
|
}
|
|
|
|
if (dev->driver.use_agp) {
|
|
if (drm_device_is_agp(dev))
|
|
dev->agp = drm_agp_init();
|
|
if (dev->driver.require_agp && dev->agp == NULL) {
|
|
DRM_ERROR("Card isn't AGP, or couldn't initialize "
|
|
"AGP.\n");
|
|
retcode = DRM_ERR(ENOMEM);
|
|
goto error;
|
|
}
|
|
if (dev->agp != NULL) {
|
|
if (drm_mtrr_add(dev->agp->info.ai_aperture_base,
|
|
dev->agp->info.ai_aperture_size, DRM_MTRR_WC) == 0)
|
|
dev->agp->mtrr = 1;
|
|
}
|
|
}
|
|
|
|
retcode = drm_ctxbitmap_init(dev);
|
|
if (retcode != 0) {
|
|
DRM_ERROR("Cannot allocate memory for context bitmap.\n");
|
|
goto error;
|
|
}
|
|
|
|
DRM_INFO("Initialized %s %d.%d.%d %s\n",
|
|
dev->driver.name,
|
|
dev->driver.major,
|
|
dev->driver.minor,
|
|
dev->driver.patchlevel,
|
|
dev->driver.date);
|
|
|
|
return 0;
|
|
|
|
error:
|
|
#ifdef __FreeBSD__
|
|
drm_sysctl_cleanup(dev);
|
|
#endif
|
|
DRM_LOCK();
|
|
drm_lastclose(dev);
|
|
DRM_UNLOCK();
|
|
#ifdef __FreeBSD__
|
|
destroy_dev(dev->devnode);
|
|
#if __FreeBSD_version >= 500000
|
|
mtx_destroy(&dev->dev_lock);
|
|
#endif
|
|
#endif
|
|
return retcode;
|
|
}
|
|
|
|
static void drm_unload(drm_device_t *dev)
|
|
{
|
|
int i;
|
|
|
|
DRM_DEBUG( "\n" );
|
|
|
|
#ifdef __FreeBSD__
|
|
drm_sysctl_cleanup(dev);
|
|
destroy_dev(dev->devnode);
|
|
#endif
|
|
|
|
drm_ctxbitmap_cleanup(dev);
|
|
|
|
if (dev->agp && dev->agp->mtrr) {
|
|
int __unused retcode;
|
|
|
|
retcode = drm_mtrr_del(0, dev->agp->info.ai_aperture_base,
|
|
dev->agp->info.ai_aperture_size, DRM_MTRR_WC);
|
|
DRM_DEBUG("mtrr_del = %d", retcode);
|
|
}
|
|
|
|
DRM_LOCK();
|
|
drm_lastclose(dev);
|
|
DRM_UNLOCK();
|
|
|
|
/* Clean up PCI resources allocated by drm_bufs.c. We're not really
|
|
* worried about resource consumption while the DRM is inactive (between
|
|
* lastclose and firstopen or unload) because these aren't actually
|
|
* taking up KVA, just keeping the PCI resource allocated.
|
|
*/
|
|
for (i = 0; i < DRM_MAX_PCI_RESOURCE; i++) {
|
|
if (dev->pcir[i] == NULL)
|
|
continue;
|
|
bus_release_resource(dev->device, SYS_RES_MEMORY,
|
|
dev->pcirid[i], dev->pcir[i]);
|
|
dev->pcir[i] = NULL;
|
|
}
|
|
|
|
if ( dev->agp ) {
|
|
free(dev->agp, M_DRM);
|
|
dev->agp = NULL;
|
|
}
|
|
|
|
if (dev->driver.unload != NULL)
|
|
dev->driver.unload(dev);
|
|
|
|
drm_mem_uninit();
|
|
#if defined(__FreeBSD__) && __FreeBSD_version >= 500000
|
|
mtx_destroy(&dev->dev_lock);
|
|
#endif
|
|
}
|
|
|
|
|
|
int drm_version(DRM_IOCTL_ARGS)
|
|
{
|
|
DRM_DEVICE;
|
|
drm_version_t version;
|
|
int len;
|
|
|
|
DRM_COPY_FROM_USER_IOCTL( version, (drm_version_t *)data, sizeof(version) );
|
|
|
|
#define DRM_COPY( name, value ) \
|
|
len = strlen( value ); \
|
|
if ( len > name##_len ) len = name##_len; \
|
|
name##_len = strlen( value ); \
|
|
if ( len && name ) { \
|
|
if ( DRM_COPY_TO_USER( name, value, len ) ) \
|
|
return DRM_ERR(EFAULT); \
|
|
}
|
|
|
|
version.version_major = dev->driver.major;
|
|
version.version_minor = dev->driver.minor;
|
|
version.version_patchlevel = dev->driver.patchlevel;
|
|
|
|
DRM_COPY(version.name, dev->driver.name);
|
|
DRM_COPY(version.date, dev->driver.date);
|
|
DRM_COPY(version.desc, dev->driver.desc);
|
|
|
|
DRM_COPY_TO_USER_IOCTL( (drm_version_t *)data, version, sizeof(version) );
|
|
|
|
return 0;
|
|
}
|
|
|
|
int drm_open(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p)
|
|
{
|
|
drm_device_t *dev = NULL;
|
|
int retcode = 0;
|
|
|
|
dev = DRIVER_SOFTC(minor(kdev));
|
|
|
|
DRM_DEBUG( "open_count = %d\n", dev->open_count );
|
|
|
|
retcode = drm_open_helper(kdev, flags, fmt, p, dev);
|
|
|
|
if ( !retcode ) {
|
|
atomic_inc( &dev->counts[_DRM_STAT_OPENS] );
|
|
DRM_LOCK();
|
|
#ifdef __FreeBSD__
|
|
device_busy(dev->device);
|
|
#endif
|
|
if ( !dev->open_count++ )
|
|
retcode = drm_firstopen(dev);
|
|
DRM_UNLOCK();
|
|
}
|
|
|
|
return retcode;
|
|
}
|
|
|
|
int drm_close(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p)
|
|
{
|
|
drm_file_t *priv;
|
|
DRM_DEVICE;
|
|
int retcode = 0;
|
|
DRMFILE filp = (void *)(uintptr_t)(DRM_CURRENTPID);
|
|
|
|
DRM_DEBUG( "open_count = %d\n", dev->open_count );
|
|
|
|
DRM_LOCK();
|
|
|
|
priv = drm_find_file_by_proc(dev, p);
|
|
if (!priv) {
|
|
DRM_UNLOCK();
|
|
DRM_ERROR("can't find authenticator\n");
|
|
return EINVAL;
|
|
}
|
|
|
|
if (dev->driver.preclose != NULL)
|
|
dev->driver.preclose(dev, filp);
|
|
|
|
/* ========================================================
|
|
* Begin inline drm_release
|
|
*/
|
|
|
|
#ifdef __FreeBSD__
|
|
DRM_DEBUG( "pid = %d, device = 0x%lx, open_count = %d\n",
|
|
DRM_CURRENTPID, (long)dev->device, dev->open_count );
|
|
#elif defined(__NetBSD__) || defined(__OpenBSD__)
|
|
DRM_DEBUG( "pid = %d, device = 0x%lx, open_count = %d\n",
|
|
DRM_CURRENTPID, (long)&dev->device, dev->open_count);
|
|
#endif
|
|
|
|
if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)
|
|
&& dev->lock.filp == filp) {
|
|
DRM_DEBUG("Process %d dead, freeing lock for context %d\n",
|
|
DRM_CURRENTPID,
|
|
_DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
|
|
if (dev->driver.reclaim_buffers_locked != NULL)
|
|
dev->driver.reclaim_buffers_locked(dev, filp);
|
|
|
|
drm_lock_free(dev, &dev->lock.hw_lock->lock,
|
|
_DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
|
|
|
|
/* FIXME: may require heavy-handed reset of
|
|
hardware at this point, possibly
|
|
processed via a callback to the X
|
|
server. */
|
|
} else if (dev->driver.reclaim_buffers_locked != NULL &&
|
|
dev->lock.hw_lock != NULL) {
|
|
/* The lock is required to reclaim buffers */
|
|
for (;;) {
|
|
if ( !dev->lock.hw_lock ) {
|
|
/* Device has been unregistered */
|
|
retcode = DRM_ERR(EINTR);
|
|
break;
|
|
}
|
|
if (drm_lock_take(&dev->lock.hw_lock->lock,
|
|
DRM_KERNEL_CONTEXT)) {
|
|
dev->lock.filp = filp;
|
|
dev->lock.lock_time = jiffies;
|
|
atomic_inc( &dev->counts[_DRM_STAT_LOCKS] );
|
|
break; /* Got lock */
|
|
}
|
|
/* Contention */
|
|
#if defined(__FreeBSD__) && __FreeBSD_version > 500000
|
|
retcode = msleep((void *)&dev->lock.lock_queue,
|
|
&dev->dev_lock, PZERO | PCATCH, "drmlk2", 0);
|
|
#else
|
|
retcode = tsleep((void *)&dev->lock.lock_queue,
|
|
PZERO | PCATCH, "drmlk2", 0);
|
|
#endif
|
|
if (retcode)
|
|
break;
|
|
}
|
|
if (retcode == 0) {
|
|
dev->driver.reclaim_buffers_locked(dev, filp);
|
|
drm_lock_free(dev, &dev->lock.hw_lock->lock,
|
|
DRM_KERNEL_CONTEXT);
|
|
}
|
|
}
|
|
|
|
if (dev->driver.use_dma && !dev->driver.reclaim_buffers_locked)
|
|
drm_reclaim_buffers(dev, filp);
|
|
|
|
#if defined (__FreeBSD__) && (__FreeBSD_version >= 500000)
|
|
funsetown(&dev->buf_sigio);
|
|
#elif defined(__FreeBSD__)
|
|
funsetown(dev->buf_sigio);
|
|
#elif defined(__NetBSD__) || defined(__OpenBSD__)
|
|
dev->buf_pgid = 0;
|
|
#endif /* __NetBSD__ || __OpenBSD__ */
|
|
|
|
if (--priv->refs == 0) {
|
|
if (dev->driver.postclose != NULL)
|
|
dev->driver.postclose(dev, priv);
|
|
TAILQ_REMOVE(&dev->files, priv, link);
|
|
free(priv, M_DRM);
|
|
}
|
|
|
|
/* ========================================================
|
|
* End inline drm_release
|
|
*/
|
|
|
|
atomic_inc( &dev->counts[_DRM_STAT_CLOSES] );
|
|
#ifdef __FreeBSD__
|
|
device_unbusy(dev->device);
|
|
#endif
|
|
if (--dev->open_count == 0) {
|
|
retcode = drm_lastclose(dev);
|
|
}
|
|
|
|
DRM_UNLOCK();
|
|
|
|
return retcode;
|
|
}
|
|
|
|
/* drm_ioctl is called whenever a process performs an ioctl on /dev/drm.
|
|
*/
|
|
int drm_ioctl(struct cdev *kdev, u_long cmd, caddr_t data, int flags,
|
|
DRM_STRUCTPROC *p)
|
|
{
|
|
DRM_DEVICE;
|
|
int retcode = 0;
|
|
drm_ioctl_desc_t *ioctl;
|
|
int (*func)(DRM_IOCTL_ARGS);
|
|
int nr = DRM_IOCTL_NR(cmd);
|
|
int is_driver_ioctl = 0;
|
|
drm_file_t *priv;
|
|
DRMFILE filp = (DRMFILE)(uintptr_t)DRM_CURRENTPID;
|
|
|
|
DRM_LOCK();
|
|
priv = drm_find_file_by_proc(dev, p);
|
|
DRM_UNLOCK();
|
|
if (priv == NULL) {
|
|
DRM_ERROR("can't find authenticator\n");
|
|
return EINVAL;
|
|
}
|
|
|
|
atomic_inc( &dev->counts[_DRM_STAT_IOCTLS] );
|
|
++priv->ioctl_count;
|
|
|
|
#ifdef __FreeBSD__
|
|
DRM_DEBUG( "pid=%d, cmd=0x%02lx, nr=0x%02x, dev 0x%lx, auth=%d\n",
|
|
DRM_CURRENTPID, cmd, nr, (long)dev->device, priv->authenticated );
|
|
#elif defined(__NetBSD__) || defined(__OpenBSD__)
|
|
DRM_DEBUG( "pid=%d, cmd=0x%02lx, nr=0x%02x, dev 0x%lx, auth=%d\n",
|
|
DRM_CURRENTPID, cmd, nr, (long)&dev->device, priv->authenticated );
|
|
#endif
|
|
|
|
switch (cmd) {
|
|
case FIONBIO:
|
|
case FIOASYNC:
|
|
return 0;
|
|
|
|
#ifdef __FreeBSD__
|
|
case FIOSETOWN:
|
|
return fsetown(*(int *)data, &dev->buf_sigio);
|
|
|
|
case FIOGETOWN:
|
|
#if (__FreeBSD_version >= 500000)
|
|
*(int *) data = fgetown(&dev->buf_sigio);
|
|
#else
|
|
*(int *) data = fgetown(dev->buf_sigio);
|
|
#endif
|
|
return 0;
|
|
#endif /* __FreeBSD__ */
|
|
#if defined(__NetBSD__) || defined(__OpenBSD__)
|
|
case TIOCSPGRP:
|
|
dev->buf_pgid = *(int *)data;
|
|
return 0;
|
|
|
|
case TIOCGPGRP:
|
|
*(int *)data = dev->buf_pgid;
|
|
return 0;
|
|
#endif /* __NetBSD__ */
|
|
}
|
|
|
|
if (IOCGROUP(cmd) != DRM_IOCTL_BASE) {
|
|
DRM_DEBUG("Bad ioctl group 0x%x\n", (int)IOCGROUP(cmd));
|
|
return EINVAL;
|
|
}
|
|
|
|
ioctl = &drm_ioctls[nr];
|
|
/* It's not a core DRM ioctl, try driver-specific. */
|
|
if (ioctl->func == NULL && nr >= DRM_COMMAND_BASE) {
|
|
/* The array entries begin at DRM_COMMAND_BASE ioctl nr */
|
|
nr -= DRM_COMMAND_BASE;
|
|
if (nr > dev->driver.max_ioctl) {
|
|
DRM_DEBUG("Bad driver ioctl number, 0x%x (of 0x%x)\n",
|
|
nr, dev->driver.max_ioctl);
|
|
return EINVAL;
|
|
}
|
|
ioctl = &dev->driver.ioctls[nr];
|
|
is_driver_ioctl = 1;
|
|
}
|
|
func = ioctl->func;
|
|
|
|
if (func == NULL) {
|
|
DRM_DEBUG( "no function\n" );
|
|
return EINVAL;
|
|
}
|
|
/* ioctl->master check should be against something in the filp set up
|
|
* for the first opener, but it doesn't matter yet.
|
|
*/
|
|
if (((ioctl->flags & DRM_ROOT_ONLY) && !DRM_SUSER(p)) ||
|
|
((ioctl->flags & DRM_AUTH) && !priv->authenticated) ||
|
|
((ioctl->flags & DRM_MASTER) && !priv->master))
|
|
return EACCES;
|
|
|
|
if (is_driver_ioctl)
|
|
DRM_LOCK();
|
|
retcode = func(kdev, cmd, data, flags, p, filp);
|
|
if (is_driver_ioctl)
|
|
DRM_UNLOCK();
|
|
|
|
if (retcode != 0)
|
|
DRM_DEBUG(" returning %d\n", retcode);
|
|
|
|
return DRM_ERR(retcode);
|
|
}
|
|
|
|
|
|
#if DRM_LINUX
|
|
|
|
#include <sys/sysproto.h>
|
|
|
|
MODULE_DEPEND(DRIVER_NAME, linux, 1, 1, 1);
|
|
|
|
#define LINUX_IOCTL_DRM_MIN 0x6400
|
|
#define LINUX_IOCTL_DRM_MAX 0x64ff
|
|
|
|
static linux_ioctl_function_t drm_linux_ioctl;
|
|
static struct linux_ioctl_handler drm_handler = {drm_linux_ioctl,
|
|
LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX};
|
|
|
|
SYSINIT(drm_register, SI_SUB_KLD, SI_ORDER_MIDDLE,
|
|
linux_ioctl_register_handler, &drm_handler);
|
|
SYSUNINIT(drm_unregister, SI_SUB_KLD, SI_ORDER_MIDDLE,
|
|
linux_ioctl_unregister_handler, &drm_handler);
|
|
|
|
/* The bits for in/out are switched on Linux */
|
|
#define LINUX_IOC_IN IOC_OUT
|
|
#define LINUX_IOC_OUT IOC_IN
|
|
|
|
static int
|
|
drm_linux_ioctl(DRM_STRUCTPROC *p, struct linux_ioctl_args* args)
|
|
{
|
|
int error;
|
|
int cmd = args->cmd;
|
|
|
|
args->cmd &= ~(LINUX_IOC_IN | LINUX_IOC_OUT);
|
|
if (cmd & LINUX_IOC_IN)
|
|
args->cmd |= IOC_IN;
|
|
if (cmd & LINUX_IOC_OUT)
|
|
args->cmd |= IOC_OUT;
|
|
|
|
error = ioctl(p, (struct ioctl_args *)args);
|
|
|
|
return error;
|
|
}
|
|
#endif /* DRM_LINUX */
|