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drm: Add support for platform devices to register as DRM devices 

Allow platform devices without PCI resources to be DRM devices.

[airlied: fixup warnings with dev pointers]

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Jordan Crouse 2010-05-27 13:40:25 -06:00 committed by Dave Airlie
parent 01d73a6967
commit dcdb167402
17 changed files with 401 additions and 171 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/Kconfig
View File

@ -6,7 +6,7 @@
#
menuconfig DRM
tristate "Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)"
depends on (AGP || AGP=n) && PCI && !EMULATED_CMPXCHG && MMU
depends on (AGP || AGP=n) && !EMULATED_CMPXCHG && MMU
select I2C
select I2C_ALGOBIT
select SLOW_WORK
@ -17,7 +17,7 @@ menuconfig DRM
These modules provide support for synchronization, security, and
DMA transfers. Please see <http://dri.sourceforge.net/> for more
details. You should also select and configure AGP
(/dev/agpgart) support.
(/dev/agpgart) support if it is available for your platform.
config DRM_KMS_HELPER
tristate

2
drivers/gpu/drm/Makefile
View File

@ -9,7 +9,7 @@ drm-y := drm_auth.o drm_buffer.o drm_bufs.o drm_cache.o \
drm_drv.o drm_fops.o drm_gem.o drm_ioctl.o drm_irq.o \
drm_lock.o drm_memory.o drm_proc.o drm_stub.o drm_vm.o \
drm_agpsupport.o drm_scatter.o ati_pcigart.o drm_pci.o \
drm_sysfs.o drm_hashtab.o drm_sman.o drm_mm.o \
drm_platform.o drm_sysfs.o drm_hashtab.o drm_sman.o drm_mm.o \
drm_crtc.o drm_modes.o drm_edid.o \
drm_info.o drm_debugfs.o drm_encoder_slave.o

37
drivers/gpu/drm/drm_drv.c
View File

@ -243,47 +243,20 @@ int drm_lastclose(struct drm_device * dev)
*
* Initializes an array of drm_device structures, and attempts to
* initialize all available devices, using consecutive minors, registering the
* stubs and initializing the AGP device.
* stubs and initializing the device.
*
* Expands the \c DRIVER_PREINIT and \c DRIVER_POST_INIT macros before and
* after the initialization for driver customization.
*/
int drm_init(struct drm_driver *driver)
{
struct pci_dev *pdev = NULL;
const struct pci_device_id *pid;
int i;
DRM_DEBUG("\n");
INIT_LIST_HEAD(&driver->device_list);
if (driver->driver_features & DRIVER_MODESET)
return pci_register_driver(&driver->pci_driver);
/* If not using KMS, fall back to stealth mode manual scanning. */
for (i = 0; driver->pci_driver.id_table[i].vendor != 0; i++) {
pid = &driver->pci_driver.id_table[i];
/* Loop around setting up a DRM device for each PCI device
* matching our ID and device class. If we had the internal
* function that pci_get_subsys and pci_get_class used, we'd
* be able to just pass pid in instead of doing a two-stage
* thing.
*/
pdev = NULL;
while ((pdev =
pci_get_subsys(pid->vendor, pid->device, pid->subvendor,
pid->subdevice, pdev)) != NULL) {
if ((pdev->class & pid->class_mask) != pid->class)
continue;
/* stealth mode requires a manual probe */
pci_dev_get(pdev);
drm_get_dev(pdev, pid, driver);
}
}
return 0;
if (driver->driver_features & DRIVER_USE_PLATFORM_DEVICE)
return drm_platform_init(driver);
else
return drm_pci_init(driver);
}
EXPORT_SYMBOL(drm_init);

4
drivers/gpu/drm/drm_edid.c
View File

@ -282,7 +282,7 @@ drm_do_get_edid(struct drm_connector *connector, struct i2c_adapter *adapter)
return block;
carp:
dev_warn(&connector->dev->pdev->dev, "%s: EDID block %d invalid.\n",
dev_warn(connector->dev->dev, "%s: EDID block %d invalid.\n",
drm_get_connector_name(connector), j);
out:
@ -1626,7 +1626,7 @@ int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
return 0;
}
if (!drm_edid_is_valid(edid)) {
dev_warn(&connector->dev->pdev->dev, "%s: EDID invalid.\n",
dev_warn(connector->dev->dev, "%s: EDID invalid.\n",
drm_get_connector_name(connector));
return 0;
}

15
drivers/gpu/drm/drm_info.c
View File

@ -51,13 +51,24 @@ int drm_name_info(struct seq_file *m, void *data)
if (!master)
return 0;
if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE)) {
if (master->unique) {
seq_printf(m, "%s %s %s\n",
dev->driver->platform_device->name,
dev_name(dev->dev), master->unique);
} else {
seq_printf(m, "%s\n",
dev->driver->platform_device->name);
}
} else {
if (master->unique) {
seq_printf(m, "%s %s %s\n",
dev->driver->pci_driver.name,
pci_name(dev->pdev), master->unique);
dev_name(dev->dev), master->unique);
} else {
seq_printf(m, "%s %s\n", dev->driver->pci_driver.name,
pci_name(dev->pdev));
dev_name(dev->dev));
}
}
return 0;

33
drivers/gpu/drm/drm_ioctl.c
View File

@ -132,16 +132,38 @@ static int drm_set_busid(struct drm_device *dev, struct drm_file *file_priv)
struct drm_master *master = file_priv->master;
int len;
if (master->unique != NULL)
return -EBUSY;
if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE)) {
master->unique_len = 10 + strlen(dev->platformdev->name);
master->unique = kmalloc(master->unique_len + 1, GFP_KERNEL);
if (master->unique == NULL)
return -ENOMEM;
len = snprintf(master->unique, master->unique_len,
"platform:%s", dev->platformdev->name);
if (len > master->unique_len)
DRM_ERROR("Unique buffer overflowed\n");
dev->devname =
kmalloc(strlen(dev->platformdev->name) +
master->unique_len + 2, GFP_KERNEL);
if (dev->devname == NULL)
return -ENOMEM;
sprintf(dev->devname, "%s@%s", dev->platformdev->name,
master->unique);
} else {
master->unique_len = 40;
master->unique_size = master->unique_len;
master->unique = kmalloc(master->unique_size, GFP_KERNEL);
if (master->unique == NULL)
return -ENOMEM;
len = snprintf(master->unique, master->unique_len, "pci:%04x:%02x:%02x.%d",
len = snprintf(master->unique, master->unique_len,
"pci:%04x:%02x:%02x.%d",
drm_get_pci_domain(dev),
dev->pdev->bus->number,
PCI_SLOT(dev->pdev->devfn),
@ -151,13 +173,16 @@ static int drm_set_busid(struct drm_device *dev, struct drm_file *file_priv)
else
master->unique_len = len;
dev->devname = kmalloc(strlen(dev->driver->pci_driver.name) +
dev->devname =
kmalloc(strlen(dev->driver->pci_driver.name) +
master->unique_len + 2, GFP_KERNEL);
if (dev->devname == NULL)
return -ENOMEM;
sprintf(dev->devname, "%s@%s", dev->driver->pci_driver.name,
master->unique);
}
return 0;
}

15
drivers/gpu/drm/drm_irq.c
View File

@ -57,6 +57,9 @@ int drm_irq_by_busid(struct drm_device *dev, void *data,
{
struct drm_irq_busid *p = data;
if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE))
return -EINVAL;
if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
return -EINVAL;
@ -211,7 +214,7 @@ int drm_irq_install(struct drm_device *dev)
if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
return -EINVAL;
if (dev->pdev->irq == 0)
if (drm_dev_to_irq(dev) == 0)
return -EINVAL;
mutex_lock(&dev->struct_mutex);
@ -229,7 +232,7 @@ int drm_irq_install(struct drm_device *dev)
dev->irq_enabled = 1;
mutex_unlock(&dev->struct_mutex);
DRM_DEBUG("irq=%d\n", dev->pdev->irq);
DRM_DEBUG("irq=%d\n", drm_dev_to_irq(dev));
/* Before installing handler */
dev->driver->irq_preinstall(dev);
@ -302,14 +305,14 @@ int drm_irq_uninstall(struct drm_device * dev)
if (!irq_enabled)
return -EINVAL;
DRM_DEBUG("irq=%d\n", dev->pdev->irq);
DRM_DEBUG("irq=%d\n", drm_dev_to_irq(dev));
if (!drm_core_check_feature(dev, DRIVER_MODESET))
vga_client_register(dev->pdev, NULL, NULL, NULL);
dev->driver->irq_uninstall(dev);
free_irq(dev->pdev->irq, dev);
free_irq(drm_dev_to_irq(dev), dev);
return 0;
}
@ -341,7 +344,7 @@ int drm_control(struct drm_device *dev, void *data,
if (drm_core_check_feature(dev, DRIVER_MODESET))
return 0;
if (dev->if_version < DRM_IF_VERSION(1, 2) &&
ctl->irq != dev->pdev->irq)
ctl->irq != drm_dev_to_irq(dev))
return -EINVAL;
return drm_irq_install(dev);
case DRM_UNINST_HANDLER:
@ -651,7 +654,7 @@ int drm_wait_vblank(struct drm_device *dev, void *data,
int ret = 0;
unsigned int flags, seq, crtc;
if ((!dev->pdev->irq) || (!dev->irq_enabled))
if ((!drm_dev_to_irq(dev)) || (!dev->irq_enabled))
return -EINVAL;
if (vblwait->request.type & _DRM_VBLANK_SIGNAL)

143
drivers/gpu/drm/drm_pci.c
View File

@ -124,4 +124,147 @@ void drm_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah)
EXPORT_SYMBOL(drm_pci_free);
#ifdef CONFIG_PCI
/**
* Register.
*
* \param pdev - PCI device structure
* \param ent entry from the PCI ID table with device type flags
* \return zero on success or a negative number on failure.
*
* Attempt to gets inter module "drm" information. If we are first
* then register the character device and inter module information.
* Try and register, if we fail to register, backout previous work.
*/
int drm_get_pci_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
struct drm_driver *driver)
{
struct drm_device *dev;
int ret;
DRM_DEBUG("\n");
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev)
return -ENOMEM;
ret = pci_enable_device(pdev);
if (ret)
goto err_g1;
pci_set_master(pdev);
dev->pdev = pdev;
dev->dev = &pdev->dev;
dev->pci_device = pdev->device;
dev->pci_vendor = pdev->vendor;
#ifdef __alpha__
dev->hose = pdev->sysdata;
#endif
if ((ret = drm_fill_in_dev(dev, ent, driver))) {
printk(KERN_ERR "DRM: Fill_in_dev failed.\n");
goto err_g2;
}
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
pci_set_drvdata(pdev, dev);
ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL);
if (ret)
goto err_g2;
}
if ((ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY)))
goto err_g3;
if (dev->driver->load) {
ret = dev->driver->load(dev, ent->driver_data);
if (ret)
goto err_g4;
}
/* setup the grouping for the legacy output */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
ret = drm_mode_group_init_legacy_group(dev,
&dev->primary->mode_group);
if (ret)
goto err_g4;
}
list_add_tail(&dev->driver_item, &driver->device_list);
DRM_INFO("Initialized %s %d.%d.%d %s for %s on minor %d\n",
driver->name, driver->major, driver->minor, driver->patchlevel,
driver->date, pci_name(pdev), dev->primary->index);
return 0;
err_g4:
drm_put_minor(&dev->primary);
err_g3:
if (drm_core_check_feature(dev, DRIVER_MODESET))
drm_put_minor(&dev->control);
err_g2:
pci_disable_device(pdev);
err_g1:
kfree(dev);
return ret;
}
EXPORT_SYMBOL(drm_get_pci_dev);
/**
* PCI device initialization. Called via drm_init at module load time,
*
* \return zero on success or a negative number on failure.
*
* Initializes a drm_device structures,registering the
* stubs and initializing the AGP device.
*
* Expands the \c DRIVER_PREINIT and \c DRIVER_POST_INIT macros before and
* after the initialization for driver customization.
*/
int drm_pci_init(struct drm_driver *driver)
{
struct pci_dev *pdev = NULL;
const struct pci_device_id *pid;
int i;
if (driver->driver_features & DRIVER_MODESET)
return pci_register_driver(&driver->pci_driver);
/* If not using KMS, fall back to stealth mode manual scanning. */
for (i = 0; driver->pci_driver.id_table[i].vendor != 0; i++) {
pid = &driver->pci_driver.id_table[i];
/* Loop around setting up a DRM device for each PCI device
* matching our ID and device class. If we had the internal
* function that pci_get_subsys and pci_get_class used, we'd
* be able to just pass pid in instead of doing a two-stage
* thing.
*/
pdev = NULL;
while ((pdev =
pci_get_subsys(pid->vendor, pid->device, pid->subvendor,
pid->subdevice, pdev)) != NULL) {
if ((pdev->class & pid->class_mask) != pid->class)
continue;
/* stealth mode requires a manual probe */
pci_dev_get(pdev);
drm_get_pci_dev(pdev, pid, driver);
}
}
return 0;
}
#else
int drm_pci_init(struct drm_driver *driver)
{
return -1;
}
#endif
/*@}*/

122
drivers/gpu/drm/drm_platform.c Normal file
View File

@ -0,0 +1,122 @@
/*
* Derived from drm_pci.c
*
* Copyright 2003 José Fonseca.
* Copyright 2003 Leif Delgass.
* Copyright (c) 2009, Code Aurora Forum.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "drmP.h"
/**
* Register.
*
* \param platdev - Platform device struture
* \return zero on success or a negative number on failure.
*
* Attempt to gets inter module "drm" information. If we are first
* then register the character device and inter module information.
* Try and register, if we fail to register, backout previous work.
*/
int drm_get_platform_dev(struct platform_device *platdev,
struct drm_driver *driver)
{
struct drm_device *dev;
int ret;
DRM_DEBUG("\n");
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev)
return -ENOMEM;
dev->platformdev = platdev;
dev->dev = &platdev->dev;
ret = drm_fill_in_dev(dev, NULL, driver);
if (ret) {
printk(KERN_ERR "DRM: Fill_in_dev failed.\n");
goto err_g1;
}
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
dev_set_drvdata(&platdev->dev, dev);
ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL);
if (ret)
goto err_g1;
}
ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY);
if (ret)
goto err_g2;
if (dev->driver->load) {
ret = dev->driver->load(dev, 0);
if (ret)
goto err_g3;
}
/* setup the grouping for the legacy output */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
ret = drm_mode_group_init_legacy_group(dev,
&dev->primary->mode_group);
if (ret)
goto err_g3;
}
list_add_tail(&dev->driver_item, &driver->device_list);
DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n",
driver->name, driver->major, driver->minor, driver->patchlevel,
driver->date, dev->primary->index);
return 0;
err_g3:
drm_put_minor(&dev->primary);
err_g2:
if (drm_core_check_feature(dev, DRIVER_MODESET))
drm_put_minor(&dev->control);
err_g1:
kfree(dev);
return ret;
}
EXPORT_SYMBOL(drm_get_platform_dev);
/**
* Platform device initialization. Called via drm_init at module load time,
*
* \return zero on success or a negative number on failure.
*
* Initializes a drm_device structures,registering the
* stubs
*
* Expands the \c DRIVER_PREINIT and \c DRIVER_POST_INIT macros before and
* after the initialization for driver customization.
*/
int drm_platform_init(struct drm_driver *driver)
{
return drm_get_platform_dev(driver->platform_device, driver);
}

89
drivers/gpu/drm/drm_stub.c
View File

@ -224,7 +224,7 @@ int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
return 0;
}
static int drm_fill_in_dev(struct drm_device * dev, struct pci_dev *pdev,
int drm_fill_in_dev(struct drm_device *dev,
const struct pci_device_id *ent,
struct drm_driver *driver)
{
@ -245,14 +245,6 @@ static int drm_fill_in_dev(struct drm_device * dev, struct pci_dev *pdev,
idr_init(&dev->drw_idr);
dev->pdev = pdev;
dev->pci_device = pdev->device;
dev->pci_vendor = pdev->vendor;
#ifdef __alpha__
dev->hose = pdev->sysdata;
#endif
if (drm_ht_create(&dev->map_hash, 12)) {
return -ENOMEM;
}
@ -321,7 +313,7 @@ static int drm_fill_in_dev(struct drm_device * dev, struct pci_dev *pdev,
* create the proc init entry via proc_init(). This routines assigns
* minor numbers to secondary heads of multi-headed cards
*/
static int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int type)
int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int type)
{
struct drm_minor *new_minor;
int ret;
@ -387,83 +379,6 @@ err_idr:
return ret;
}
/**
* Register.
*
* \param pdev - PCI device structure
* \param ent entry from the PCI ID table with device type flags
* \return zero on success or a negative number on failure.
*
* Attempt to gets inter module "drm" information. If we are first
* then register the character device and inter module information.
* Try and register, if we fail to register, backout previous work.
*/
int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
struct drm_driver *driver)
{
struct drm_device *dev;
int ret;
DRM_DEBUG("\n");
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev)
return -ENOMEM;
ret = pci_enable_device(pdev);
if (ret)
goto err_g1;
pci_set_master(pdev);
if ((ret = drm_fill_in_dev(dev, pdev, ent, driver))) {
printk(KERN_ERR "DRM: Fill_in_dev failed.\n");
goto err_g2;
}
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
pci_set_drvdata(pdev, dev);
ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL);
if (ret)
goto err_g2;
}
if ((ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY)))
goto err_g3;
if (dev->driver->load) {
ret = dev->driver->load(dev, ent->driver_data);
if (ret)
goto err_g4;
}
/* setup the grouping for the legacy output */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
ret = drm_mode_group_init_legacy_group(dev, &dev->primary->mode_group);
if (ret)
goto err_g4;
}
list_add_tail(&dev->driver_item, &driver->device_list);
DRM_INFO("Initialized %s %d.%d.%d %s for %s on minor %d\n",
driver->name, driver->major, driver->minor, driver->patchlevel,
driver->date, pci_name(pdev), dev->primary->index);
return 0;
err_g4:
drm_put_minor(&dev->primary);
err_g3:
if (drm_core_check_feature(dev, DRIVER_MODESET))
drm_put_minor(&dev->control);
err_g2:
pci_disable_device(pdev);
err_g1:
kfree(dev);
return ret;
}
EXPORT_SYMBOL(drm_get_dev);
/**
* Put a secondary minor number.
*

3
drivers/gpu/drm/drm_sysfs.c
View File

@ -488,7 +488,8 @@ int drm_sysfs_device_add(struct drm_minor *minor)
int err;
char *minor_str;
minor->kdev.parent = &minor->dev->pdev->dev;
minor->kdev.parent = minor->dev->dev;
minor->kdev.class = drm_class;
minor->kdev.release = drm_sysfs_device_release;
minor->kdev.devt = minor->device;

1
drivers/gpu/drm/i915/i915_dma.c
View File

@ -34,6 +34,7 @@
#include "i915_drm.h"
#include "i915_drv.h"
#include "i915_trace.h"
#include <linux/pci.h>
#include <linux/vgaarb.h>
#include <linux/acpi.h>
#include <linux/pnp.h>

2
drivers/gpu/drm/i915/i915_drv.c
View File

@ -435,7 +435,7 @@ int i965_reset(struct drm_device *dev, u8 flags)
static int __devinit
i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
return drm_get_dev(pdev, ent, &driver);
return drm_get_pci_dev(pdev, ent, &driver);
}
static void

2
drivers/gpu/drm/nouveau/nouveau_drv.c
View File

@ -132,7 +132,7 @@ static struct drm_driver driver;
static int __devinit
nouveau_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
return drm_get_dev(pdev, ent, &driver);
return drm_get_pci_dev(pdev, ent, &driver);
}
static void

2
drivers/gpu/drm/radeon/radeon_drv.c
View File

@ -236,7 +236,7 @@ static struct drm_driver kms_driver;
static int __devinit
radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
return drm_get_dev(pdev, ent, &kms_driver);
return drm_get_pci_dev(pdev, ent, &kms_driver);
}
static void

2
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
View File

@ -758,7 +758,7 @@ static struct drm_driver driver = {
static int vmw_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
return drm_get_dev(pdev, ent, &driver);
return drm_get_pci_dev(pdev, ent, &driver);
}
static int __init vmwgfx_init(void)

48
include/drm/drmP.h
View File

@ -9,6 +9,7 @@
/*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* Copyright (c) 2009-2010, Code Aurora Forum.
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
@ -48,6 +49,7 @@
#include <linux/proc_fs.h>
#include <linux/init.h>
#include <linux/file.h>
#include <linux/platform_device.h>
#include <linux/pci.h>
#include <linux/jiffies.h>
#include <linux/smp_lock.h> /* For (un)lock_kernel */
@ -144,6 +146,7 @@ extern void drm_ut_debug_printk(unsigned int request_level,
#define DRIVER_IRQ_VBL2 0x800
#define DRIVER_GEM 0x1000
#define DRIVER_MODESET 0x2000
#define DRIVER_USE_PLATFORM_DEVICE 0x4000
/***********************************************************************/
/** \name Begin the DRM... */
@ -823,6 +826,7 @@ struct drm_driver {
int num_ioctls;
struct file_operations fops;
struct pci_driver pci_driver;
struct platform_device *platform_device;
/* List of devices hanging off this driver */
struct list_head device_list;
};
@ -1015,12 +1019,16 @@ struct drm_device {
struct drm_agp_head *agp; /**< AGP data */
struct device *dev; /**< Device structure */
struct pci_dev *pdev; /**< PCI device structure */
int pci_vendor; /**< PCI vendor id */
int pci_device; /**< PCI device id */
#ifdef __alpha__
struct pci_controller *hose;
#endif
struct platform_device *platformdev; /**< Platform device struture */
struct drm_sg_mem *sg; /**< Scatter gather memory */
int num_crtcs; /**< Number of CRTCs on this device */
void *dev_private; /**< device private data */
@ -1060,17 +1068,21 @@ struct drm_device {
};
static inline int drm_dev_to_irq(struct drm_device *dev)
{
return dev->pdev->irq;
}
static __inline__ int drm_core_check_feature(struct drm_device *dev,
int feature)
{
return ((dev->driver->driver_features & feature) ? 1 : 0);
}
static inline int drm_dev_to_irq(struct drm_device *dev)
{
if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE))
return platform_get_irq(dev->platformdev, 0);
else
return dev->pdev->irq;
}
#ifdef __alpha__
#define drm_get_pci_domain(dev) dev->hose->index
#else
@ -1347,7 +1359,10 @@ extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
struct drm_master *drm_master_create(struct drm_minor *minor);
extern struct drm_master *drm_master_get(struct drm_master *master);
extern void drm_master_put(struct drm_master **master);
extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
extern int drm_get_pci_dev(struct pci_dev *pdev,
const struct pci_device_id *ent,
struct drm_driver *driver);
extern int drm_get_platform_dev(struct platform_device *pdev,
struct drm_driver *driver);
extern void drm_put_dev(struct drm_device *dev);
extern int drm_put_minor(struct drm_minor **minor);
@ -1525,6 +1540,9 @@ static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev,
static __inline__ int drm_device_is_agp(struct drm_device *dev)
{
if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE))
return 0;
if (dev->driver->device_is_agp != NULL) {
int err = (*dev->driver->device_is_agp) (dev);
@ -1538,6 +1556,9 @@ static __inline__ int drm_device_is_agp(struct drm_device *dev)
static __inline__ int drm_device_is_pcie(struct drm_device *dev)
{
if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE))
return 0;
else
return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP);
}
@ -1546,6 +1567,21 @@ static __inline__ void drm_core_dropmap(struct drm_local_map *map)
}
#include "drm_mem_util.h"
static inline void *drm_get_device(struct drm_device *dev)
{
if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE))
return dev->platformdev;
else
return dev->pdev;
}
extern int drm_platform_init(struct drm_driver *driver);
extern int drm_pci_init(struct drm_driver *driver);
extern int drm_fill_in_dev(struct drm_device *dev,
const struct pci_device_id *ent,
struct drm_driver *driver);
int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int type);
/*@}*/
#endif /* __KERNEL__ */